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 appData.clockMode = FALSE;
799 first.sendTime = second.sendTime = 0;
803 /* Override some settings from environment variables, for backward
804 compatibility. Unfortunately it's not feasible to have the env
805 vars just set defaults, at least in xboard. Ugh.
807 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
812 if (appData.noChessProgram) {
813 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
814 sprintf(programVersion, "%s", PACKAGE_STRING);
816 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
817 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
818 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
821 if (!appData.icsActive) {
823 /* Check for variants that are supported only in ICS mode,
824 or not at all. Some that are accepted here nevertheless
825 have bugs; see comments below.
827 VariantClass variant = StringToVariant(appData.variant);
829 case VariantBughouse: /* need four players and two boards */
830 case VariantKriegspiel: /* need to hide pieces and move details */
831 /* case VariantFischeRandom: (Fabien: moved below) */
832 sprintf(buf, _("Variant %s supported only in ICS mode"), appData.variant);
833 DisplayFatalError(buf, 0, 2);
837 case VariantLoadable:
847 sprintf(buf, _("Unknown variant name %s"), appData.variant);
848 DisplayFatalError(buf, 0, 2);
851 case VariantXiangqi: /* [HGM] repetition rules not implemented */
852 case VariantFairy: /* [HGM] TestLegality definitely off! */
853 case VariantGothic: /* [HGM] should work */
854 case VariantCapablanca: /* [HGM] should work */
855 case VariantCourier: /* [HGM] initial forced moves not implemented */
856 case VariantShogi: /* [HGM] drops not tested for legality */
857 case VariantKnightmate: /* [HGM] should work */
858 case VariantCylinder: /* [HGM] untested */
859 case VariantFalcon: /* [HGM] untested */
860 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
861 offboard interposition not understood */
862 case VariantNormal: /* definitely works! */
863 case VariantWildCastle: /* pieces not automatically shuffled */
864 case VariantNoCastle: /* pieces not automatically shuffled */
865 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
866 case VariantLosers: /* should work except for win condition,
867 and doesn't know captures are mandatory */
868 case VariantSuicide: /* should work except for win condition,
869 and doesn't know captures are mandatory */
870 case VariantGiveaway: /* should work except for win condition,
871 and doesn't know captures are mandatory */
872 case VariantTwoKings: /* should work */
873 case VariantAtomic: /* should work except for win condition */
874 case Variant3Check: /* should work except for win condition */
875 case VariantShatranj: /* should work except for all win conditions */
876 case VariantBerolina: /* might work if TestLegality is off */
877 case VariantCapaRandom: /* should work */
878 case VariantJanus: /* should work */
879 case VariantSuper: /* experimental */
880 case VariantGreat: /* experimental, requires legality testing to be off */
885 InitEngineUCI( installDir, &first ); // [HGM] moved here from winboard.c, to make available in xboard
886 InitEngineUCI( installDir, &second );
889 int NextIntegerFromString( char ** str, long * value )
894 while( *s == ' ' || *s == '\t' ) {
900 if( *s >= '0' && *s <= '9' ) {
901 while( *s >= '0' && *s <= '9' ) {
902 *value = *value * 10 + (*s - '0');
914 int NextTimeControlFromString( char ** str, long * value )
917 int result = NextIntegerFromString( str, &temp );
920 *value = temp * 60; /* Minutes */
923 result = NextIntegerFromString( str, &temp );
924 *value += temp; /* Seconds */
931 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc)
932 { /* [HGM] routine added to read '+moves/time' for secondary time control */
933 int result = -1; long temp, temp2;
935 if(**str != '+') return -1; // old params remain in force!
937 if( NextTimeControlFromString( str, &temp ) ) return -1;
940 /* time only: incremental or sudden-death time control */
941 if(**str == '+') { /* increment follows; read it */
943 if(result = NextIntegerFromString( str, &temp2)) return -1;
946 *moves = 0; *tc = temp * 1000;
948 } else if(temp % 60 != 0) return -1; /* moves was given as min:sec */
950 (*str)++; /* classical time control */
951 result = NextTimeControlFromString( str, &temp2);
960 int GetTimeQuota(int movenr)
961 { /* [HGM] get time to add from the multi-session time-control string */
962 int moves=1; /* kludge to force reading of first session */
963 long time, increment;
964 char *s = fullTimeControlString;
966 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", fullTimeControlString);
968 if(moves) NextSessionFromString(&s, &moves, &time, &increment);
969 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
970 if(movenr == -1) return time; /* last move before new session */
971 if(!moves) return increment; /* current session is incremental */
972 if(movenr >= 0) movenr -= moves; /* we already finished this session */
973 } while(movenr >= -1); /* try again for next session */
975 return 0; // no new time quota on this move
979 ParseTimeControl(tc, ti, mps)
988 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
991 sprintf(buf, "+%d/%s+%d", mps, tc, ti);
992 else sprintf(buf, "+%s+%d", tc, ti);
995 sprintf(buf, "+%d/%s", mps, tc);
996 else sprintf(buf, "+%s", tc);
998 fullTimeControlString = StrSave(buf);
1000 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1005 /* Parse second time control */
1008 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1016 timeControl_2 = tc2 * 1000;
1026 timeControl = tc1 * 1000;
1029 timeIncrement = ti * 1000; /* convert to ms */
1030 movesPerSession = 0;
1033 movesPerSession = mps;
1041 if (appData.debugMode) {
1042 fprintf(debugFP, "%s\n", programVersion);
1045 set_cont_sequence(appData.wrapContSeq);
1046 if (appData.matchGames > 0) {
1047 appData.matchMode = TRUE;
1048 } else if (appData.matchMode) {
1049 appData.matchGames = 1;
1051 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1052 appData.matchGames = appData.sameColorGames;
1053 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1054 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1055 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1058 if (appData.noChessProgram || first.protocolVersion == 1) {
1061 /* kludge: allow timeout for initial "feature" commands */
1063 DisplayMessage("", _("Starting chess program"));
1064 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1069 InitBackEnd3 P((void))
1071 GameMode initialMode;
1075 InitChessProgram(&first, startedFromSetupPosition);
1078 if (appData.icsActive) {
1080 /* [DM] Make a console window if needed [HGM] merged ifs */
1085 if (*appData.icsCommPort != NULLCHAR) {
1086 sprintf(buf, _("Could not open comm port %s"),
1087 appData.icsCommPort);
1089 snprintf(buf, sizeof(buf), _("Could not connect to host %s, port %s"),
1090 appData.icsHost, appData.icsPort);
1092 DisplayFatalError(buf, err, 1);
1097 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1099 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1100 } else if (appData.noChessProgram) {
1106 if (*appData.cmailGameName != NULLCHAR) {
1108 OpenLoopback(&cmailPR);
1110 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1114 DisplayMessage("", "");
1115 if (StrCaseCmp(appData.initialMode, "") == 0) {
1116 initialMode = BeginningOfGame;
1117 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1118 initialMode = TwoMachinesPlay;
1119 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1120 initialMode = AnalyzeFile;
1121 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1122 initialMode = AnalyzeMode;
1123 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1124 initialMode = MachinePlaysWhite;
1125 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1126 initialMode = MachinePlaysBlack;
1127 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1128 initialMode = EditGame;
1129 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1130 initialMode = EditPosition;
1131 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1132 initialMode = Training;
1134 sprintf(buf, _("Unknown initialMode %s"), appData.initialMode);
1135 DisplayFatalError(buf, 0, 2);
1139 if (appData.matchMode) {
1140 /* Set up machine vs. machine match */
1141 if (appData.noChessProgram) {
1142 DisplayFatalError(_("Can't have a match with no chess programs"),
1148 if (*appData.loadGameFile != NULLCHAR) {
1149 int index = appData.loadGameIndex; // [HGM] autoinc
1150 if(index<0) lastIndex = index = 1;
1151 if (!LoadGameFromFile(appData.loadGameFile,
1153 appData.loadGameFile, FALSE)) {
1154 DisplayFatalError(_("Bad game file"), 0, 1);
1157 } else if (*appData.loadPositionFile != NULLCHAR) {
1158 int index = appData.loadPositionIndex; // [HGM] autoinc
1159 if(index<0) lastIndex = index = 1;
1160 if (!LoadPositionFromFile(appData.loadPositionFile,
1162 appData.loadPositionFile)) {
1163 DisplayFatalError(_("Bad position file"), 0, 1);
1168 } else if (*appData.cmailGameName != NULLCHAR) {
1169 /* Set up cmail mode */
1170 ReloadCmailMsgEvent(TRUE);
1172 /* Set up other modes */
1173 if (initialMode == AnalyzeFile) {
1174 if (*appData.loadGameFile == NULLCHAR) {
1175 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1179 if (*appData.loadGameFile != NULLCHAR) {
1180 (void) LoadGameFromFile(appData.loadGameFile,
1181 appData.loadGameIndex,
1182 appData.loadGameFile, TRUE);
1183 } else if (*appData.loadPositionFile != NULLCHAR) {
1184 (void) LoadPositionFromFile(appData.loadPositionFile,
1185 appData.loadPositionIndex,
1186 appData.loadPositionFile);
1187 /* [HGM] try to make self-starting even after FEN load */
1188 /* to allow automatic setup of fairy variants with wtm */
1189 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1190 gameMode = BeginningOfGame;
1191 setboardSpoiledMachineBlack = 1;
1193 /* [HGM] loadPos: make that every new game uses the setup */
1194 /* from file as long as we do not switch variant */
1195 if(!blackPlaysFirst) { int i;
1196 startedFromPositionFile = TRUE;
1197 CopyBoard(filePosition, boards[0]);
1198 for(i=0; i<BOARD_SIZE; i++) fileRights[i] = castlingRights[0][i];
1201 if (initialMode == AnalyzeMode) {
1202 if (appData.noChessProgram) {
1203 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1206 if (appData.icsActive) {
1207 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1211 } else if (initialMode == AnalyzeFile) {
1212 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1213 ShowThinkingEvent();
1215 AnalysisPeriodicEvent(1);
1216 } else if (initialMode == MachinePlaysWhite) {
1217 if (appData.noChessProgram) {
1218 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1222 if (appData.icsActive) {
1223 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1227 MachineWhiteEvent();
1228 } else if (initialMode == MachinePlaysBlack) {
1229 if (appData.noChessProgram) {
1230 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1234 if (appData.icsActive) {
1235 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1239 MachineBlackEvent();
1240 } else if (initialMode == TwoMachinesPlay) {
1241 if (appData.noChessProgram) {
1242 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1246 if (appData.icsActive) {
1247 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1252 } else if (initialMode == EditGame) {
1254 } else if (initialMode == EditPosition) {
1255 EditPositionEvent();
1256 } else if (initialMode == Training) {
1257 if (*appData.loadGameFile == NULLCHAR) {
1258 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1267 * Establish will establish a contact to a remote host.port.
1268 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1269 * used to talk to the host.
1270 * Returns 0 if okay, error code if not.
1277 if (*appData.icsCommPort != NULLCHAR) {
1278 /* Talk to the host through a serial comm port */
1279 return OpenCommPort(appData.icsCommPort, &icsPR);
1281 } else if (*appData.gateway != NULLCHAR) {
1282 if (*appData.remoteShell == NULLCHAR) {
1283 /* Use the rcmd protocol to run telnet program on a gateway host */
1284 snprintf(buf, sizeof(buf), "%s %s %s",
1285 appData.telnetProgram, appData.icsHost, appData.icsPort);
1286 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1289 /* Use the rsh program to run telnet program on a gateway host */
1290 if (*appData.remoteUser == NULLCHAR) {
1291 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1292 appData.gateway, appData.telnetProgram,
1293 appData.icsHost, appData.icsPort);
1295 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1296 appData.remoteShell, appData.gateway,
1297 appData.remoteUser, appData.telnetProgram,
1298 appData.icsHost, appData.icsPort);
1300 return StartChildProcess(buf, "", &icsPR);
1303 } else if (appData.useTelnet) {
1304 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1307 /* TCP socket interface differs somewhat between
1308 Unix and NT; handle details in the front end.
1310 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1315 show_bytes(fp, buf, count)
1321 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1322 fprintf(fp, "\\%03o", *buf & 0xff);
1331 /* Returns an errno value */
1333 OutputMaybeTelnet(pr, message, count, outError)
1339 char buf[8192], *p, *q, *buflim;
1340 int left, newcount, outcount;
1342 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1343 *appData.gateway != NULLCHAR) {
1344 if (appData.debugMode) {
1345 fprintf(debugFP, ">ICS: ");
1346 show_bytes(debugFP, message, count);
1347 fprintf(debugFP, "\n");
1349 return OutputToProcess(pr, message, count, outError);
1352 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1359 if (appData.debugMode) {
1360 fprintf(debugFP, ">ICS: ");
1361 show_bytes(debugFP, buf, newcount);
1362 fprintf(debugFP, "\n");
1364 outcount = OutputToProcess(pr, buf, newcount, outError);
1365 if (outcount < newcount) return -1; /* to be sure */
1372 } else if (((unsigned char) *p) == TN_IAC) {
1373 *q++ = (char) TN_IAC;
1380 if (appData.debugMode) {
1381 fprintf(debugFP, ">ICS: ");
1382 show_bytes(debugFP, buf, newcount);
1383 fprintf(debugFP, "\n");
1385 outcount = OutputToProcess(pr, buf, newcount, outError);
1386 if (outcount < newcount) return -1; /* to be sure */
1391 read_from_player(isr, closure, message, count, error)
1398 int outError, outCount;
1399 static int gotEof = 0;
1401 /* Pass data read from player on to ICS */
1404 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1405 if (outCount < count) {
1406 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1408 } else if (count < 0) {
1409 RemoveInputSource(isr);
1410 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1411 } else if (gotEof++ > 0) {
1412 RemoveInputSource(isr);
1413 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1419 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1420 SendToICS("date\n");
1421 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1424 /* added routine for printf style output to ics */
1425 void ics_printf(char *format, ...)
1427 char buffer[MSG_SIZ];
1430 va_start(args, format);
1431 vsnprintf(buffer, sizeof(buffer), format, args);
1432 buffer[sizeof(buffer)-1] = '\0';
1441 int count, outCount, outError;
1443 if (icsPR == NULL) return;
1446 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1447 if (outCount < count) {
1448 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1452 /* This is used for sending logon scripts to the ICS. Sending
1453 without a delay causes problems when using timestamp on ICC
1454 (at least on my machine). */
1456 SendToICSDelayed(s,msdelay)
1460 int count, outCount, outError;
1462 if (icsPR == NULL) return;
1465 if (appData.debugMode) {
1466 fprintf(debugFP, ">ICS: ");
1467 show_bytes(debugFP, s, count);
1468 fprintf(debugFP, "\n");
1470 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1472 if (outCount < count) {
1473 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1478 /* Remove all highlighting escape sequences in s
1479 Also deletes any suffix starting with '('
1482 StripHighlightAndTitle(s)
1485 static char retbuf[MSG_SIZ];
1488 while (*s != NULLCHAR) {
1489 while (*s == '\033') {
1490 while (*s != NULLCHAR && !isalpha(*s)) s++;
1491 if (*s != NULLCHAR) s++;
1493 while (*s != NULLCHAR && *s != '\033') {
1494 if (*s == '(' || *s == '[') {
1505 /* Remove all highlighting escape sequences in s */
1510 static char retbuf[MSG_SIZ];
1513 while (*s != NULLCHAR) {
1514 while (*s == '\033') {
1515 while (*s != NULLCHAR && !isalpha(*s)) s++;
1516 if (*s != NULLCHAR) s++;
1518 while (*s != NULLCHAR && *s != '\033') {
1526 char *variantNames[] = VARIANT_NAMES;
1531 return variantNames[v];
1535 /* Identify a variant from the strings the chess servers use or the
1536 PGN Variant tag names we use. */
1543 VariantClass v = VariantNormal;
1544 int i, found = FALSE;
1549 /* [HGM] skip over optional board-size prefixes */
1550 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1551 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1552 while( *e++ != '_');
1555 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1559 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1560 if (StrCaseStr(e, variantNames[i])) {
1561 v = (VariantClass) i;
1568 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1569 || StrCaseStr(e, "wild/fr")
1570 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1571 v = VariantFischeRandom;
1572 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1573 (i = 1, p = StrCaseStr(e, "w"))) {
1575 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
1582 case 0: /* FICS only, actually */
1584 /* Castling legal even if K starts on d-file */
1585 v = VariantWildCastle;
1590 /* Castling illegal even if K & R happen to start in
1591 normal positions. */
1592 v = VariantNoCastle;
1605 /* Castling legal iff K & R start in normal positions */
1611 /* Special wilds for position setup; unclear what to do here */
1612 v = VariantLoadable;
1615 /* Bizarre ICC game */
1616 v = VariantTwoKings;
1619 v = VariantKriegspiel;
1625 v = VariantFischeRandom;
1628 v = VariantCrazyhouse;
1631 v = VariantBughouse;
1637 /* Not quite the same as FICS suicide! */
1638 v = VariantGiveaway;
1644 v = VariantShatranj;
1647 /* Temporary names for future ICC types. The name *will* change in
1648 the next xboard/WinBoard release after ICC defines it. */
1686 v = VariantCapablanca;
1689 v = VariantKnightmate;
1695 v = VariantCylinder;
1701 v = VariantCapaRandom;
1704 v = VariantBerolina;
1716 /* Found "wild" or "w" in the string but no number;
1717 must assume it's normal chess. */
1721 sprintf(buf, _("Unknown wild type %d"), wnum);
1722 DisplayError(buf, 0);
1728 if (appData.debugMode) {
1729 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
1730 e, wnum, VariantName(v));
1735 static int leftover_start = 0, leftover_len = 0;
1736 char star_match[STAR_MATCH_N][MSG_SIZ];
1738 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
1739 advance *index beyond it, and set leftover_start to the new value of
1740 *index; else return FALSE. If pattern contains the character '*', it
1741 matches any sequence of characters not containing '\r', '\n', or the
1742 character following the '*' (if any), and the matched sequence(s) are
1743 copied into star_match.
1746 looking_at(buf, index, pattern)
1751 char *bufp = &buf[*index], *patternp = pattern;
1753 char *matchp = star_match[0];
1756 if (*patternp == NULLCHAR) {
1757 *index = leftover_start = bufp - buf;
1761 if (*bufp == NULLCHAR) return FALSE;
1762 if (*patternp == '*') {
1763 if (*bufp == *(patternp + 1)) {
1765 matchp = star_match[++star_count];
1769 } else if (*bufp == '\n' || *bufp == '\r') {
1771 if (*patternp == NULLCHAR)
1776 *matchp++ = *bufp++;
1780 if (*patternp != *bufp) return FALSE;
1787 SendToPlayer(data, length)
1791 int error, outCount;
1792 outCount = OutputToProcess(NoProc, data, length, &error);
1793 if (outCount < length) {
1794 DisplayFatalError(_("Error writing to display"), error, 1);
1799 PackHolding(packed, holding)
1811 switch (runlength) {
1822 sprintf(q, "%d", runlength);
1834 /* Telnet protocol requests from the front end */
1836 TelnetRequest(ddww, option)
1837 unsigned char ddww, option;
1839 unsigned char msg[3];
1840 int outCount, outError;
1842 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
1844 if (appData.debugMode) {
1845 char buf1[8], buf2[8], *ddwwStr, *optionStr;
1861 sprintf(buf1, "%d", ddww);
1870 sprintf(buf2, "%d", option);
1873 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
1878 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
1880 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1887 if (!appData.icsActive) return;
1888 TelnetRequest(TN_DO, TN_ECHO);
1894 if (!appData.icsActive) return;
1895 TelnetRequest(TN_DONT, TN_ECHO);
1899 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
1901 /* put the holdings sent to us by the server on the board holdings area */
1902 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
1906 if(gameInfo.holdingsWidth < 2) return;
1908 if( (int)lowestPiece >= BlackPawn ) {
1911 holdingsStartRow = BOARD_HEIGHT-1;
1914 holdingsColumn = BOARD_WIDTH-1;
1915 countsColumn = BOARD_WIDTH-2;
1916 holdingsStartRow = 0;
1920 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
1921 board[i][holdingsColumn] = EmptySquare;
1922 board[i][countsColumn] = (ChessSquare) 0;
1924 while( (p=*holdings++) != NULLCHAR ) {
1925 piece = CharToPiece( ToUpper(p) );
1926 if(piece == EmptySquare) continue;
1927 /*j = (int) piece - (int) WhitePawn;*/
1928 j = PieceToNumber(piece);
1929 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
1930 if(j < 0) continue; /* should not happen */
1931 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
1932 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
1933 board[holdingsStartRow+j*direction][countsColumn]++;
1940 VariantSwitch(Board board, VariantClass newVariant)
1942 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
1944 startedFromPositionFile = FALSE;
1945 if(gameInfo.variant == newVariant) return;
1947 /* [HGM] This routine is called each time an assignment is made to
1948 * gameInfo.variant during a game, to make sure the board sizes
1949 * are set to match the new variant. If that means adding or deleting
1950 * holdings, we shift the playing board accordingly
1951 * This kludge is needed because in ICS observe mode, we get boards
1952 * of an ongoing game without knowing the variant, and learn about the
1953 * latter only later. This can be because of the move list we requested,
1954 * in which case the game history is refilled from the beginning anyway,
1955 * but also when receiving holdings of a crazyhouse game. In the latter
1956 * case we want to add those holdings to the already received position.
1960 if (appData.debugMode) {
1961 fprintf(debugFP, "Switch board from %s to %s\n",
1962 VariantName(gameInfo.variant), VariantName(newVariant));
1963 setbuf(debugFP, NULL);
1965 shuffleOpenings = 0; /* [HGM] shuffle */
1966 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
1970 newWidth = 9; newHeight = 9;
1971 gameInfo.holdingsSize = 7;
1972 case VariantBughouse:
1973 case VariantCrazyhouse:
1974 newHoldingsWidth = 2; break;
1978 newHoldingsWidth = 2;
1979 gameInfo.holdingsSize = 8;
1982 case VariantCapablanca:
1983 case VariantCapaRandom:
1986 newHoldingsWidth = gameInfo.holdingsSize = 0;
1989 if(newWidth != gameInfo.boardWidth ||
1990 newHeight != gameInfo.boardHeight ||
1991 newHoldingsWidth != gameInfo.holdingsWidth ) {
1993 /* shift position to new playing area, if needed */
1994 if(newHoldingsWidth > gameInfo.holdingsWidth) {
1995 for(i=0; i<BOARD_HEIGHT; i++)
1996 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
1997 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
1999 for(i=0; i<newHeight; i++) {
2000 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2001 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2003 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2004 for(i=0; i<BOARD_HEIGHT; i++)
2005 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2006 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2009 gameInfo.boardWidth = newWidth;
2010 gameInfo.boardHeight = newHeight;
2011 gameInfo.holdingsWidth = newHoldingsWidth;
2012 gameInfo.variant = newVariant;
2013 InitDrawingSizes(-2, 0);
2014 InitPosition(TRUE); /* this sets up board[0], but also other stuff */
2015 } else { gameInfo.variant = newVariant; InitPosition(TRUE); }
2018 static int loggedOn = FALSE;
2020 /*-- Game start info cache: --*/
2022 char gs_kind[MSG_SIZ];
2023 static char player1Name[128] = "";
2024 static char player2Name[128] = "";
2025 static char cont_seq[] = "\n\\ ";
2026 static int player1Rating = -1;
2027 static int player2Rating = -1;
2028 /*----------------------------*/
2030 ColorClass curColor = ColorNormal;
2031 int suppressKibitz = 0;
2034 read_from_ics(isr, closure, data, count, error)
2041 #define BUF_SIZE 8192
2042 #define STARTED_NONE 0
2043 #define STARTED_MOVES 1
2044 #define STARTED_BOARD 2
2045 #define STARTED_OBSERVE 3
2046 #define STARTED_HOLDINGS 4
2047 #define STARTED_CHATTER 5
2048 #define STARTED_COMMENT 6
2049 #define STARTED_MOVES_NOHIDE 7
2051 static int started = STARTED_NONE;
2052 static char parse[20000];
2053 static int parse_pos = 0;
2054 static char buf[BUF_SIZE + 1];
2055 static int firstTime = TRUE, intfSet = FALSE;
2056 static ColorClass prevColor = ColorNormal;
2057 static int savingComment = FALSE;
2058 static int cmatch = 0; // continuation sequence match
2065 int backup; /* [DM] For zippy color lines */
2067 char talker[MSG_SIZ]; // [HGM] chat
2070 if (appData.debugMode) {
2072 fprintf(debugFP, "<ICS: ");
2073 show_bytes(debugFP, data, count);
2074 fprintf(debugFP, "\n");
2078 if (appData.debugMode) { int f = forwardMostMove;
2079 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2080 castlingRights[f][0],castlingRights[f][1],castlingRights[f][2],castlingRights[f][3],castlingRights[f][4],castlingRights[f][5]);
2083 /* If last read ended with a partial line that we couldn't parse,
2084 prepend it to the new read and try again. */
2085 if (leftover_len > 0) {
2086 for (i=0; i<leftover_len; i++)
2087 buf[i] = buf[leftover_start + i];
2090 /* copy new characters into the buffer */
2091 bp = buf + leftover_len;
2092 buf_len=leftover_len;
2093 for (i=0; i<count; i++)
2096 if (data[i] == '\r')
2099 // join lines split by ICS?
2100 if (!appData.noJoin)
2103 Joining just consists of finding matches against the
2104 continuation sequence, and discarding that sequence
2105 if found instead of copying it. So, until a match
2106 fails, there's nothing to do since it might be the
2107 complete sequence, and thus, something we don't want
2110 if (data[i] == cont_seq[cmatch])
2113 if (cmatch == strlen(cont_seq))
2115 cmatch = 0; // complete match. just reset the counter
2118 it's possible for the ICS to not include the space
2119 at the end of the last word, making our [correct]
2120 join operation fuse two separate words. the server
2121 does this when the space occurs at the width setting.
2123 if (!buf_len || buf[buf_len-1] != ' ')
2134 match failed, so we have to copy what matched before
2135 falling through and copying this character. In reality,
2136 this will only ever be just the newline character, but
2137 it doesn't hurt to be precise.
2139 strncpy(bp, cont_seq, cmatch);
2151 buf[buf_len] = NULLCHAR;
2152 next_out = leftover_len;
2156 while (i < buf_len) {
2157 /* Deal with part of the TELNET option negotiation
2158 protocol. We refuse to do anything beyond the
2159 defaults, except that we allow the WILL ECHO option,
2160 which ICS uses to turn off password echoing when we are
2161 directly connected to it. We reject this option
2162 if localLineEditing mode is on (always on in xboard)
2163 and we are talking to port 23, which might be a real
2164 telnet server that will try to keep WILL ECHO on permanently.
2166 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2167 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2168 unsigned char option;
2170 switch ((unsigned char) buf[++i]) {
2172 if (appData.debugMode)
2173 fprintf(debugFP, "\n<WILL ");
2174 switch (option = (unsigned char) buf[++i]) {
2176 if (appData.debugMode)
2177 fprintf(debugFP, "ECHO ");
2178 /* Reply only if this is a change, according
2179 to the protocol rules. */
2180 if (remoteEchoOption) break;
2181 if (appData.localLineEditing &&
2182 atoi(appData.icsPort) == TN_PORT) {
2183 TelnetRequest(TN_DONT, TN_ECHO);
2186 TelnetRequest(TN_DO, TN_ECHO);
2187 remoteEchoOption = TRUE;
2191 if (appData.debugMode)
2192 fprintf(debugFP, "%d ", option);
2193 /* Whatever this is, we don't want it. */
2194 TelnetRequest(TN_DONT, option);
2199 if (appData.debugMode)
2200 fprintf(debugFP, "\n<WONT ");
2201 switch (option = (unsigned char) buf[++i]) {
2203 if (appData.debugMode)
2204 fprintf(debugFP, "ECHO ");
2205 /* Reply only if this is a change, according
2206 to the protocol rules. */
2207 if (!remoteEchoOption) break;
2209 TelnetRequest(TN_DONT, TN_ECHO);
2210 remoteEchoOption = FALSE;
2213 if (appData.debugMode)
2214 fprintf(debugFP, "%d ", (unsigned char) option);
2215 /* Whatever this is, it must already be turned
2216 off, because we never agree to turn on
2217 anything non-default, so according to the
2218 protocol rules, we don't reply. */
2223 if (appData.debugMode)
2224 fprintf(debugFP, "\n<DO ");
2225 switch (option = (unsigned char) buf[++i]) {
2227 /* Whatever this is, we refuse to do it. */
2228 if (appData.debugMode)
2229 fprintf(debugFP, "%d ", option);
2230 TelnetRequest(TN_WONT, option);
2235 if (appData.debugMode)
2236 fprintf(debugFP, "\n<DONT ");
2237 switch (option = (unsigned char) buf[++i]) {
2239 if (appData.debugMode)
2240 fprintf(debugFP, "%d ", option);
2241 /* Whatever this is, we are already not doing
2242 it, because we never agree to do anything
2243 non-default, so according to the protocol
2244 rules, we don't reply. */
2249 if (appData.debugMode)
2250 fprintf(debugFP, "\n<IAC ");
2251 /* Doubled IAC; pass it through */
2255 if (appData.debugMode)
2256 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2257 /* Drop all other telnet commands on the floor */
2260 if (oldi > next_out)
2261 SendToPlayer(&buf[next_out], oldi - next_out);
2267 /* OK, this at least will *usually* work */
2268 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2272 if (loggedOn && !intfSet) {
2273 if (ics_type == ICS_ICC) {
2275 "/set-quietly interface %s\n/set-quietly style 12\n",
2277 } else if (ics_type == ICS_CHESSNET) {
2278 sprintf(str, "/style 12\n");
2280 strcpy(str, "alias $ @\n$set interface ");
2281 strcat(str, programVersion);
2282 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2284 strcat(str, "$iset nohighlight 1\n");
2286 strcat(str, "$iset lock 1\n$style 12\n");
2289 NotifyFrontendLogin();
2293 if (started == STARTED_COMMENT) {
2294 /* Accumulate characters in comment */
2295 parse[parse_pos++] = buf[i];
2296 if (buf[i] == '\n') {
2297 parse[parse_pos] = NULLCHAR;
2298 if(chattingPartner>=0) {
2300 sprintf(mess, "%s%s", talker, parse);
2301 OutputChatMessage(chattingPartner, mess);
2302 chattingPartner = -1;
2304 if(!suppressKibitz) // [HGM] kibitz
2305 AppendComment(forwardMostMove, StripHighlight(parse));
2306 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2307 int nrDigit = 0, nrAlph = 0, i;
2308 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2309 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2310 parse[parse_pos] = NULLCHAR;
2311 // try to be smart: if it does not look like search info, it should go to
2312 // ICS interaction window after all, not to engine-output window.
2313 for(i=0; i<parse_pos; i++) { // count letters and digits
2314 nrDigit += (parse[i] >= '0' && parse[i] <= '9');
2315 nrAlph += (parse[i] >= 'a' && parse[i] <= 'z');
2316 nrAlph += (parse[i] >= 'A' && parse[i] <= 'Z');
2318 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2319 int depth=0; float score;
2320 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2321 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2322 pvInfoList[forwardMostMove-1].depth = depth;
2323 pvInfoList[forwardMostMove-1].score = 100*score;
2325 OutputKibitz(suppressKibitz, parse);
2328 sprintf(tmp, _("your opponent kibitzes: %s"), parse);
2329 SendToPlayer(tmp, strlen(tmp));
2332 started = STARTED_NONE;
2334 /* Don't match patterns against characters in chatter */
2339 if (started == STARTED_CHATTER) {
2340 if (buf[i] != '\n') {
2341 /* Don't match patterns against characters in chatter */
2345 started = STARTED_NONE;
2348 /* Kludge to deal with rcmd protocol */
2349 if (firstTime && looking_at(buf, &i, "\001*")) {
2350 DisplayFatalError(&buf[1], 0, 1);
2356 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2359 if (appData.debugMode)
2360 fprintf(debugFP, "ics_type %d\n", ics_type);
2363 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2364 ics_type = ICS_FICS;
2366 if (appData.debugMode)
2367 fprintf(debugFP, "ics_type %d\n", ics_type);
2370 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
2371 ics_type = ICS_CHESSNET;
2373 if (appData.debugMode)
2374 fprintf(debugFP, "ics_type %d\n", ics_type);
2379 (looking_at(buf, &i, "\"*\" is *a registered name") ||
2380 looking_at(buf, &i, "Logging you in as \"*\"") ||
2381 looking_at(buf, &i, "will be \"*\""))) {
2382 strcpy(ics_handle, star_match[0]);
2386 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
2388 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
2389 DisplayIcsInteractionTitle(buf);
2390 have_set_title = TRUE;
2393 /* skip finger notes */
2394 if (started == STARTED_NONE &&
2395 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
2396 (buf[i] == '1' && buf[i+1] == '0')) &&
2397 buf[i+2] == ':' && buf[i+3] == ' ') {
2398 started = STARTED_CHATTER;
2403 /* skip formula vars */
2404 if (started == STARTED_NONE &&
2405 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
2406 started = STARTED_CHATTER;
2412 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
2413 if (appData.autoKibitz && started == STARTED_NONE &&
2414 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
2415 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
2416 if(looking_at(buf, &i, "* kibitzes: ") &&
2417 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
2418 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
2419 suppressKibitz = TRUE;
2420 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
2421 && (gameMode == IcsPlayingWhite)) ||
2422 (StrStr(star_match[0], gameInfo.black) == star_match[0]
2423 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
2424 started = STARTED_CHATTER; // own kibitz we simply discard
2426 started = STARTED_COMMENT; // make sure it will be collected in parse[]
2427 parse_pos = 0; parse[0] = NULLCHAR;
2428 savingComment = TRUE;
2429 suppressKibitz = gameMode != IcsObserving ? 2 :
2430 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
2434 if(looking_at(buf, &i, "kibitzed to")) { // suppress the acknowledgements of our own autoKibitz
2435 started = STARTED_CHATTER;
2436 suppressKibitz = TRUE;
2438 } // [HGM] kibitz: end of patch
2440 //if(appData.debugMode) fprintf(debugFP, "hunt for tell, buf = %s\n", buf+i);
2442 // [HGM] chat: intercept tells by users for which we have an open chat window
2444 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
2445 looking_at(buf, &i, "* whispers:") ||
2446 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
2447 looking_at(buf, &i, "*(*)(*):") && sscanf(star_match[2], "%d", &channel) == 1 )) {
2449 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
2450 chattingPartner = -1;
2452 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
2453 for(p=0; p<MAX_CHAT; p++) {
2454 if(channel == atoi(chatPartner[p])) {
2455 talker[0] = '['; strcat(talker, "]");
2456 chattingPartner = p; break;
2459 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
2460 for(p=0; p<MAX_CHAT; p++) {
2461 if(!strcmp("WHISPER", chatPartner[p])) {
2462 talker[0] = '['; strcat(talker, "]");
2463 chattingPartner = p; break;
2466 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
2467 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
2469 chattingPartner = p; break;
2471 if(chattingPartner<0) i = oldi; else {
2472 started = STARTED_COMMENT;
2473 parse_pos = 0; parse[0] = NULLCHAR;
2474 savingComment = TRUE;
2475 suppressKibitz = TRUE;
2477 } // [HGM] chat: end of patch
2479 if (appData.zippyTalk || appData.zippyPlay) {
2480 /* [DM] Backup address for color zippy lines */
2484 if (loggedOn == TRUE)
2485 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
2486 (appData.zippyPlay && ZippyMatch(buf, &backup)));
2488 if (ZippyControl(buf, &i) ||
2489 ZippyConverse(buf, &i) ||
2490 (appData.zippyPlay && ZippyMatch(buf, &i))) {
2492 if (!appData.colorize) continue;
2496 } // [DM] 'else { ' deleted
2498 /* Regular tells and says */
2499 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
2500 looking_at(buf, &i, "* (your partner) tells you: ") ||
2501 looking_at(buf, &i, "* says: ") ||
2502 /* Don't color "message" or "messages" output */
2503 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
2504 looking_at(buf, &i, "*. * at *:*: ") ||
2505 looking_at(buf, &i, "--* (*:*): ") ||
2506 /* Message notifications (same color as tells) */
2507 looking_at(buf, &i, "* has left a message ") ||
2508 looking_at(buf, &i, "* just sent you a message:\n") ||
2509 /* Whispers and kibitzes */
2510 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
2511 looking_at(buf, &i, "* kibitzes: ") ||
2513 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
2515 if (tkind == 1 && strchr(star_match[0], ':')) {
2516 /* Avoid "tells you:" spoofs in channels */
2519 if (star_match[0][0] == NULLCHAR ||
2520 strchr(star_match[0], ' ') ||
2521 (tkind == 3 && strchr(star_match[1], ' '))) {
2522 /* Reject bogus matches */
2525 if (appData.colorize) {
2526 if (oldi > next_out) {
2527 SendToPlayer(&buf[next_out], oldi - next_out);
2532 Colorize(ColorTell, FALSE);
2533 curColor = ColorTell;
2536 Colorize(ColorKibitz, FALSE);
2537 curColor = ColorKibitz;
2540 p = strrchr(star_match[1], '(');
2547 Colorize(ColorChannel1, FALSE);
2548 curColor = ColorChannel1;
2550 Colorize(ColorChannel, FALSE);
2551 curColor = ColorChannel;
2555 curColor = ColorNormal;
2559 if (started == STARTED_NONE && appData.autoComment &&
2560 (gameMode == IcsObserving ||
2561 gameMode == IcsPlayingWhite ||
2562 gameMode == IcsPlayingBlack)) {
2563 parse_pos = i - oldi;
2564 memcpy(parse, &buf[oldi], parse_pos);
2565 parse[parse_pos] = NULLCHAR;
2566 started = STARTED_COMMENT;
2567 savingComment = TRUE;
2569 started = STARTED_CHATTER;
2570 savingComment = FALSE;
2577 if (looking_at(buf, &i, "* s-shouts: ") ||
2578 looking_at(buf, &i, "* c-shouts: ")) {
2579 if (appData.colorize) {
2580 if (oldi > next_out) {
2581 SendToPlayer(&buf[next_out], oldi - next_out);
2584 Colorize(ColorSShout, FALSE);
2585 curColor = ColorSShout;
2588 started = STARTED_CHATTER;
2592 if (looking_at(buf, &i, "--->")) {
2597 if (looking_at(buf, &i, "* shouts: ") ||
2598 looking_at(buf, &i, "--> ")) {
2599 if (appData.colorize) {
2600 if (oldi > next_out) {
2601 SendToPlayer(&buf[next_out], oldi - next_out);
2604 Colorize(ColorShout, FALSE);
2605 curColor = ColorShout;
2608 started = STARTED_CHATTER;
2612 if (looking_at( buf, &i, "Challenge:")) {
2613 if (appData.colorize) {
2614 if (oldi > next_out) {
2615 SendToPlayer(&buf[next_out], oldi - next_out);
2618 Colorize(ColorChallenge, FALSE);
2619 curColor = ColorChallenge;
2625 if (looking_at(buf, &i, "* offers you") ||
2626 looking_at(buf, &i, "* offers to be") ||
2627 looking_at(buf, &i, "* would like to") ||
2628 looking_at(buf, &i, "* requests to") ||
2629 looking_at(buf, &i, "Your opponent offers") ||
2630 looking_at(buf, &i, "Your opponent requests")) {
2632 if (appData.colorize) {
2633 if (oldi > next_out) {
2634 SendToPlayer(&buf[next_out], oldi - next_out);
2637 Colorize(ColorRequest, FALSE);
2638 curColor = ColorRequest;
2643 if (looking_at(buf, &i, "* (*) seeking")) {
2644 if (appData.colorize) {
2645 if (oldi > next_out) {
2646 SendToPlayer(&buf[next_out], oldi - next_out);
2649 Colorize(ColorSeek, FALSE);
2650 curColor = ColorSeek;
2655 if (looking_at(buf, &i, "\\ ")) {
2656 if (prevColor != ColorNormal) {
2657 if (oldi > next_out) {
2658 SendToPlayer(&buf[next_out], oldi - next_out);
2661 Colorize(prevColor, TRUE);
2662 curColor = prevColor;
2664 if (savingComment) {
2665 parse_pos = i - oldi;
2666 memcpy(parse, &buf[oldi], parse_pos);
2667 parse[parse_pos] = NULLCHAR;
2668 started = STARTED_COMMENT;
2670 started = STARTED_CHATTER;
2675 if (looking_at(buf, &i, "Black Strength :") ||
2676 looking_at(buf, &i, "<<< style 10 board >>>") ||
2677 looking_at(buf, &i, "<10>") ||
2678 looking_at(buf, &i, "#@#")) {
2679 /* Wrong board style */
2681 SendToICS(ics_prefix);
2682 SendToICS("set style 12\n");
2683 SendToICS(ics_prefix);
2684 SendToICS("refresh\n");
2688 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
2690 have_sent_ICS_logon = 1;
2694 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
2695 (looking_at(buf, &i, "\n<12> ") ||
2696 looking_at(buf, &i, "<12> "))) {
2698 if (oldi > next_out) {
2699 SendToPlayer(&buf[next_out], oldi - next_out);
2702 started = STARTED_BOARD;
2707 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
2708 looking_at(buf, &i, "<b1> ")) {
2709 if (oldi > next_out) {
2710 SendToPlayer(&buf[next_out], oldi - next_out);
2713 started = STARTED_HOLDINGS;
2718 if (looking_at(buf, &i, "* *vs. * *--- *")) {
2720 /* Header for a move list -- first line */
2722 switch (ics_getting_history) {
2726 case BeginningOfGame:
2727 /* User typed "moves" or "oldmoves" while we
2728 were idle. Pretend we asked for these
2729 moves and soak them up so user can step
2730 through them and/or save them.
2733 gameMode = IcsObserving;
2736 ics_getting_history = H_GOT_UNREQ_HEADER;
2738 case EditGame: /*?*/
2739 case EditPosition: /*?*/
2740 /* Should above feature work in these modes too? */
2741 /* For now it doesn't */
2742 ics_getting_history = H_GOT_UNWANTED_HEADER;
2745 ics_getting_history = H_GOT_UNWANTED_HEADER;
2750 /* Is this the right one? */
2751 if (gameInfo.white && gameInfo.black &&
2752 strcmp(gameInfo.white, star_match[0]) == 0 &&
2753 strcmp(gameInfo.black, star_match[2]) == 0) {
2755 ics_getting_history = H_GOT_REQ_HEADER;
2758 case H_GOT_REQ_HEADER:
2759 case H_GOT_UNREQ_HEADER:
2760 case H_GOT_UNWANTED_HEADER:
2761 case H_GETTING_MOVES:
2762 /* Should not happen */
2763 DisplayError(_("Error gathering move list: two headers"), 0);
2764 ics_getting_history = H_FALSE;
2768 /* Save player ratings into gameInfo if needed */
2769 if ((ics_getting_history == H_GOT_REQ_HEADER ||
2770 ics_getting_history == H_GOT_UNREQ_HEADER) &&
2771 (gameInfo.whiteRating == -1 ||
2772 gameInfo.blackRating == -1)) {
2774 gameInfo.whiteRating = string_to_rating(star_match[1]);
2775 gameInfo.blackRating = string_to_rating(star_match[3]);
2776 if (appData.debugMode)
2777 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
2778 gameInfo.whiteRating, gameInfo.blackRating);
2783 if (looking_at(buf, &i,
2784 "* * match, initial time: * minute*, increment: * second")) {
2785 /* Header for a move list -- second line */
2786 /* Initial board will follow if this is a wild game */
2787 if (gameInfo.event != NULL) free(gameInfo.event);
2788 sprintf(str, "ICS %s %s match", star_match[0], star_match[1]);
2789 gameInfo.event = StrSave(str);
2790 /* [HGM] we switched variant. Translate boards if needed. */
2791 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
2795 if (looking_at(buf, &i, "Move ")) {
2796 /* Beginning of a move list */
2797 switch (ics_getting_history) {
2799 /* Normally should not happen */
2800 /* Maybe user hit reset while we were parsing */
2803 /* Happens if we are ignoring a move list that is not
2804 * the one we just requested. Common if the user
2805 * tries to observe two games without turning off
2808 case H_GETTING_MOVES:
2809 /* Should not happen */
2810 DisplayError(_("Error gathering move list: nested"), 0);
2811 ics_getting_history = H_FALSE;
2813 case H_GOT_REQ_HEADER:
2814 ics_getting_history = H_GETTING_MOVES;
2815 started = STARTED_MOVES;
2817 if (oldi > next_out) {
2818 SendToPlayer(&buf[next_out], oldi - next_out);
2821 case H_GOT_UNREQ_HEADER:
2822 ics_getting_history = H_GETTING_MOVES;
2823 started = STARTED_MOVES_NOHIDE;
2826 case H_GOT_UNWANTED_HEADER:
2827 ics_getting_history = H_FALSE;
2833 if (looking_at(buf, &i, "% ") ||
2834 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
2835 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
2836 savingComment = FALSE;
2839 case STARTED_MOVES_NOHIDE:
2840 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
2841 parse[parse_pos + i - oldi] = NULLCHAR;
2842 ParseGameHistory(parse);
2844 if (appData.zippyPlay && first.initDone) {
2845 FeedMovesToProgram(&first, forwardMostMove);
2846 if (gameMode == IcsPlayingWhite) {
2847 if (WhiteOnMove(forwardMostMove)) {
2848 if (first.sendTime) {
2849 if (first.useColors) {
2850 SendToProgram("black\n", &first);
2852 SendTimeRemaining(&first, TRUE);
2854 if (first.useColors) {
2855 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
2857 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
2858 first.maybeThinking = TRUE;
2860 if (first.usePlayother) {
2861 if (first.sendTime) {
2862 SendTimeRemaining(&first, TRUE);
2864 SendToProgram("playother\n", &first);
2870 } else if (gameMode == IcsPlayingBlack) {
2871 if (!WhiteOnMove(forwardMostMove)) {
2872 if (first.sendTime) {
2873 if (first.useColors) {
2874 SendToProgram("white\n", &first);
2876 SendTimeRemaining(&first, FALSE);
2878 if (first.useColors) {
2879 SendToProgram("black\n", &first);
2881 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
2882 first.maybeThinking = TRUE;
2884 if (first.usePlayother) {
2885 if (first.sendTime) {
2886 SendTimeRemaining(&first, FALSE);
2888 SendToProgram("playother\n", &first);
2897 if (gameMode == IcsObserving && ics_gamenum == -1) {
2898 /* Moves came from oldmoves or moves command
2899 while we weren't doing anything else.
2901 currentMove = forwardMostMove;
2902 ClearHighlights();/*!!could figure this out*/
2903 flipView = appData.flipView;
2904 DrawPosition(FALSE, boards[currentMove]);
2905 DisplayBothClocks();
2906 sprintf(str, "%s vs. %s",
2907 gameInfo.white, gameInfo.black);
2911 /* Moves were history of an active game */
2912 if (gameInfo.resultDetails != NULL) {
2913 free(gameInfo.resultDetails);
2914 gameInfo.resultDetails = NULL;
2917 HistorySet(parseList, backwardMostMove,
2918 forwardMostMove, currentMove-1);
2919 DisplayMove(currentMove - 1);
2920 if (started == STARTED_MOVES) next_out = i;
2921 started = STARTED_NONE;
2922 ics_getting_history = H_FALSE;
2925 case STARTED_OBSERVE:
2926 started = STARTED_NONE;
2927 SendToICS(ics_prefix);
2928 SendToICS("refresh\n");
2934 if(bookHit) { // [HGM] book: simulate book reply
2935 static char bookMove[MSG_SIZ]; // a bit generous?
2937 programStats.nodes = programStats.depth = programStats.time =
2938 programStats.score = programStats.got_only_move = 0;
2939 sprintf(programStats.movelist, "%s (xbook)", bookHit);
2941 strcpy(bookMove, "move ");
2942 strcat(bookMove, bookHit);
2943 HandleMachineMove(bookMove, &first);
2948 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
2949 started == STARTED_HOLDINGS ||
2950 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
2951 /* Accumulate characters in move list or board */
2952 parse[parse_pos++] = buf[i];
2955 /* Start of game messages. Mostly we detect start of game
2956 when the first board image arrives. On some versions
2957 of the ICS, though, we need to do a "refresh" after starting
2958 to observe in order to get the current board right away. */
2959 if (looking_at(buf, &i, "Adding game * to observation list")) {
2960 started = STARTED_OBSERVE;
2964 /* Handle auto-observe */
2965 if (appData.autoObserve &&
2966 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
2967 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
2969 /* Choose the player that was highlighted, if any. */
2970 if (star_match[0][0] == '\033' ||
2971 star_match[1][0] != '\033') {
2972 player = star_match[0];
2974 player = star_match[2];
2976 sprintf(str, "%sobserve %s\n",
2977 ics_prefix, StripHighlightAndTitle(player));
2980 /* Save ratings from notify string */
2981 strcpy(player1Name, star_match[0]);
2982 player1Rating = string_to_rating(star_match[1]);
2983 strcpy(player2Name, star_match[2]);
2984 player2Rating = string_to_rating(star_match[3]);
2986 if (appData.debugMode)
2988 "Ratings from 'Game notification:' %s %d, %s %d\n",
2989 player1Name, player1Rating,
2990 player2Name, player2Rating);
2995 /* Deal with automatic examine mode after a game,
2996 and with IcsObserving -> IcsExamining transition */
2997 if (looking_at(buf, &i, "Entering examine mode for game *") ||
2998 looking_at(buf, &i, "has made you an examiner of game *")) {
3000 int gamenum = atoi(star_match[0]);
3001 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3002 gamenum == ics_gamenum) {
3003 /* We were already playing or observing this game;
3004 no need to refetch history */
3005 gameMode = IcsExamining;
3007 pauseExamForwardMostMove = forwardMostMove;
3008 } else if (currentMove < forwardMostMove) {
3009 ForwardInner(forwardMostMove);
3012 /* I don't think this case really can happen */
3013 SendToICS(ics_prefix);
3014 SendToICS("refresh\n");
3019 /* Error messages */
3020 // if (ics_user_moved) {
3021 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3022 if (looking_at(buf, &i, "Illegal move") ||
3023 looking_at(buf, &i, "Not a legal move") ||
3024 looking_at(buf, &i, "Your king is in check") ||
3025 looking_at(buf, &i, "It isn't your turn") ||
3026 looking_at(buf, &i, "It is not your move")) {
3028 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3029 currentMove = --forwardMostMove;
3030 DisplayMove(currentMove - 1); /* before DMError */
3031 DrawPosition(FALSE, boards[currentMove]);
3033 DisplayBothClocks();
3035 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3041 if (looking_at(buf, &i, "still have time") ||
3042 looking_at(buf, &i, "not out of time") ||
3043 looking_at(buf, &i, "either player is out of time") ||
3044 looking_at(buf, &i, "has timeseal; checking")) {
3045 /* We must have called his flag a little too soon */
3046 whiteFlag = blackFlag = FALSE;
3050 if (looking_at(buf, &i, "added * seconds to") ||
3051 looking_at(buf, &i, "seconds were added to")) {
3052 /* Update the clocks */
3053 SendToICS(ics_prefix);
3054 SendToICS("refresh\n");
3058 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3059 ics_clock_paused = TRUE;
3064 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3065 ics_clock_paused = FALSE;
3070 /* Grab player ratings from the Creating: message.
3071 Note we have to check for the special case when
3072 the ICS inserts things like [white] or [black]. */
3073 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3074 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3076 0 player 1 name (not necessarily white)
3078 2 empty, white, or black (IGNORED)
3079 3 player 2 name (not necessarily black)
3082 The names/ratings are sorted out when the game
3083 actually starts (below).
3085 strcpy(player1Name, StripHighlightAndTitle(star_match[0]));
3086 player1Rating = string_to_rating(star_match[1]);
3087 strcpy(player2Name, StripHighlightAndTitle(star_match[3]));
3088 player2Rating = string_to_rating(star_match[4]);
3090 if (appData.debugMode)
3092 "Ratings from 'Creating:' %s %d, %s %d\n",
3093 player1Name, player1Rating,
3094 player2Name, player2Rating);
3099 /* Improved generic start/end-of-game messages */
3100 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3101 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3102 /* If tkind == 0: */
3103 /* star_match[0] is the game number */
3104 /* [1] is the white player's name */
3105 /* [2] is the black player's name */
3106 /* For end-of-game: */
3107 /* [3] is the reason for the game end */
3108 /* [4] is a PGN end game-token, preceded by " " */
3109 /* For start-of-game: */
3110 /* [3] begins with "Creating" or "Continuing" */
3111 /* [4] is " *" or empty (don't care). */
3112 int gamenum = atoi(star_match[0]);
3113 char *whitename, *blackname, *why, *endtoken;
3114 ChessMove endtype = (ChessMove) 0;
3117 whitename = star_match[1];
3118 blackname = star_match[2];
3119 why = star_match[3];
3120 endtoken = star_match[4];
3122 whitename = star_match[1];
3123 blackname = star_match[3];
3124 why = star_match[5];
3125 endtoken = star_match[6];
3128 /* Game start messages */
3129 if (strncmp(why, "Creating ", 9) == 0 ||
3130 strncmp(why, "Continuing ", 11) == 0) {
3131 gs_gamenum = gamenum;
3132 strcpy(gs_kind, strchr(why, ' ') + 1);
3134 if (appData.zippyPlay) {
3135 ZippyGameStart(whitename, blackname);
3141 /* Game end messages */
3142 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3143 ics_gamenum != gamenum) {
3146 while (endtoken[0] == ' ') endtoken++;
3147 switch (endtoken[0]) {
3150 endtype = GameUnfinished;
3153 endtype = BlackWins;
3156 if (endtoken[1] == '/')
3157 endtype = GameIsDrawn;
3159 endtype = WhiteWins;
3162 GameEnds(endtype, why, GE_ICS);
3164 if (appData.zippyPlay && first.initDone) {
3165 ZippyGameEnd(endtype, why);
3166 if (first.pr == NULL) {
3167 /* Start the next process early so that we'll
3168 be ready for the next challenge */
3169 StartChessProgram(&first);
3171 /* Send "new" early, in case this command takes
3172 a long time to finish, so that we'll be ready
3173 for the next challenge. */
3174 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3181 if (looking_at(buf, &i, "Removing game * from observation") ||
3182 looking_at(buf, &i, "no longer observing game *") ||
3183 looking_at(buf, &i, "Game * (*) has no examiners")) {
3184 if (gameMode == IcsObserving &&
3185 atoi(star_match[0]) == ics_gamenum)
3187 /* icsEngineAnalyze */
3188 if (appData.icsEngineAnalyze) {
3195 ics_user_moved = FALSE;
3200 if (looking_at(buf, &i, "no longer examining game *")) {
3201 if (gameMode == IcsExamining &&
3202 atoi(star_match[0]) == ics_gamenum)
3206 ics_user_moved = FALSE;
3211 /* Advance leftover_start past any newlines we find,
3212 so only partial lines can get reparsed */
3213 if (looking_at(buf, &i, "\n")) {
3214 prevColor = curColor;
3215 if (curColor != ColorNormal) {
3216 if (oldi > next_out) {
3217 SendToPlayer(&buf[next_out], oldi - next_out);
3220 Colorize(ColorNormal, FALSE);
3221 curColor = ColorNormal;
3223 if (started == STARTED_BOARD) {
3224 started = STARTED_NONE;
3225 parse[parse_pos] = NULLCHAR;
3226 ParseBoard12(parse);
3229 /* Send premove here */
3230 if (appData.premove) {
3232 if (currentMove == 0 &&
3233 gameMode == IcsPlayingWhite &&
3234 appData.premoveWhite) {
3235 sprintf(str, "%s\n", appData.premoveWhiteText);
3236 if (appData.debugMode)
3237 fprintf(debugFP, "Sending premove:\n");
3239 } else if (currentMove == 1 &&
3240 gameMode == IcsPlayingBlack &&
3241 appData.premoveBlack) {
3242 sprintf(str, "%s\n", appData.premoveBlackText);
3243 if (appData.debugMode)
3244 fprintf(debugFP, "Sending premove:\n");
3246 } else if (gotPremove) {
3248 ClearPremoveHighlights();
3249 if (appData.debugMode)
3250 fprintf(debugFP, "Sending premove:\n");
3251 UserMoveEvent(premoveFromX, premoveFromY,
3252 premoveToX, premoveToY,
3257 /* Usually suppress following prompt */
3258 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3259 if (looking_at(buf, &i, "*% ")) {
3260 savingComment = FALSE;
3264 } else if (started == STARTED_HOLDINGS) {
3266 char new_piece[MSG_SIZ];
3267 started = STARTED_NONE;
3268 parse[parse_pos] = NULLCHAR;
3269 if (appData.debugMode)
3270 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
3271 parse, currentMove);
3272 if (sscanf(parse, " game %d", &gamenum) == 1 &&
3273 gamenum == ics_gamenum) {
3274 if (gameInfo.variant == VariantNormal) {
3275 /* [HGM] We seem to switch variant during a game!
3276 * Presumably no holdings were displayed, so we have
3277 * to move the position two files to the right to
3278 * create room for them!
3280 VariantClass newVariant;
3281 switch(gameInfo.boardWidth) { // base guess on board width
3282 case 9: newVariant = VariantShogi; break;
3283 case 10: newVariant = VariantGreat; break;
3284 default: newVariant = VariantCrazyhouse; break;
3286 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3287 /* Get a move list just to see the header, which
3288 will tell us whether this is really bug or zh */
3289 if (ics_getting_history == H_FALSE) {
3290 ics_getting_history = H_REQUESTED;
3291 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3295 new_piece[0] = NULLCHAR;
3296 sscanf(parse, "game %d white [%s black [%s <- %s",
3297 &gamenum, white_holding, black_holding,
3299 white_holding[strlen(white_holding)-1] = NULLCHAR;
3300 black_holding[strlen(black_holding)-1] = NULLCHAR;
3301 /* [HGM] copy holdings to board holdings area */
3302 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
3303 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
3305 if (appData.zippyPlay && first.initDone) {
3306 ZippyHoldings(white_holding, black_holding,
3310 if (tinyLayout || smallLayout) {
3311 char wh[16], bh[16];
3312 PackHolding(wh, white_holding);
3313 PackHolding(bh, black_holding);
3314 sprintf(str, "[%s-%s] %s-%s", wh, bh,
3315 gameInfo.white, gameInfo.black);
3317 sprintf(str, "%s [%s] vs. %s [%s]",
3318 gameInfo.white, white_holding,
3319 gameInfo.black, black_holding);
3322 DrawPosition(FALSE, boards[currentMove]);
3325 /* Suppress following prompt */
3326 if (looking_at(buf, &i, "*% ")) {
3327 savingComment = FALSE;
3334 i++; /* skip unparsed character and loop back */
3337 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz suppress printing in ICS interaction window
3338 started != STARTED_HOLDINGS && i > next_out) {
3339 SendToPlayer(&buf[next_out], i - next_out);
3342 suppressKibitz = FALSE; // [HGM] kibitz: has done its duty in if-statement above
3344 leftover_len = buf_len - leftover_start;
3345 /* if buffer ends with something we couldn't parse,
3346 reparse it after appending the next read */
3348 } else if (count == 0) {
3349 RemoveInputSource(isr);
3350 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
3352 DisplayFatalError(_("Error reading from ICS"), error, 1);
3357 /* Board style 12 looks like this:
3359 <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
3361 * The "<12> " is stripped before it gets to this routine. The two
3362 * trailing 0's (flip state and clock ticking) are later addition, and
3363 * some chess servers may not have them, or may have only the first.
3364 * Additional trailing fields may be added in the future.
3367 #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"
3369 #define RELATION_OBSERVING_PLAYED 0
3370 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
3371 #define RELATION_PLAYING_MYMOVE 1
3372 #define RELATION_PLAYING_NOTMYMOVE -1
3373 #define RELATION_EXAMINING 2
3374 #define RELATION_ISOLATED_BOARD -3
3375 #define RELATION_STARTING_POSITION -4 /* FICS only */
3378 ParseBoard12(string)
3381 GameMode newGameMode;
3382 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
3383 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
3384 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
3385 char to_play, board_chars[200];
3386 char move_str[500], str[500], elapsed_time[500];
3387 char black[32], white[32];
3389 int prevMove = currentMove;
3392 int fromX, fromY, toX, toY;
3394 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
3395 char *bookHit = NULL; // [HGM] book
3396 Boolean weird = FALSE;
3398 fromX = fromY = toX = toY = -1;
3402 if (appData.debugMode)
3403 fprintf(debugFP, _("Parsing board: %s\n"), string);
3405 move_str[0] = NULLCHAR;
3406 elapsed_time[0] = NULLCHAR;
3407 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
3409 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
3410 if(string[i] == ' ') { ranks++; files = 0; }
3412 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
3415 for(j = 0; j <i; j++) board_chars[j] = string[j];
3416 board_chars[i] = '\0';
3419 n = sscanf(string, PATTERN, &to_play, &double_push,
3420 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
3421 &gamenum, white, black, &relation, &basetime, &increment,
3422 &white_stren, &black_stren, &white_time, &black_time,
3423 &moveNum, str, elapsed_time, move_str, &ics_flip,
3426 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
3427 weird && (int)gameInfo.variant <= (int)VariantShogi) {
3428 /* [HGM] We seem to switch variant during a game!
3429 * Try to guess new variant from board size
3431 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
3432 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
3433 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
3434 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
3435 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
3436 if(!weird) newVariant = VariantNormal;
3437 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3438 /* Get a move list just to see the header, which
3439 will tell us whether this is really bug or zh */
3440 if (ics_getting_history == H_FALSE) {
3441 ics_getting_history = H_REQUESTED;
3442 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3448 snprintf(str, sizeof(str), _("Failed to parse board string:\n\"%s\""), string);
3449 DisplayError(str, 0);
3453 /* Convert the move number to internal form */
3454 moveNum = (moveNum - 1) * 2;
3455 if (to_play == 'B') moveNum++;
3456 if (moveNum >= MAX_MOVES) {
3457 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
3463 case RELATION_OBSERVING_PLAYED:
3464 case RELATION_OBSERVING_STATIC:
3465 if (gamenum == -1) {
3466 /* Old ICC buglet */
3467 relation = RELATION_OBSERVING_STATIC;
3469 newGameMode = IcsObserving;
3471 case RELATION_PLAYING_MYMOVE:
3472 case RELATION_PLAYING_NOTMYMOVE:
3474 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
3475 IcsPlayingWhite : IcsPlayingBlack;
3477 case RELATION_EXAMINING:
3478 newGameMode = IcsExamining;
3480 case RELATION_ISOLATED_BOARD:
3482 /* Just display this board. If user was doing something else,
3483 we will forget about it until the next board comes. */
3484 newGameMode = IcsIdle;
3486 case RELATION_STARTING_POSITION:
3487 newGameMode = gameMode;
3491 /* Modify behavior for initial board display on move listing
3494 switch (ics_getting_history) {
3498 case H_GOT_REQ_HEADER:
3499 case H_GOT_UNREQ_HEADER:
3500 /* This is the initial position of the current game */
3501 gamenum = ics_gamenum;
3502 moveNum = 0; /* old ICS bug workaround */
3503 if (to_play == 'B') {
3504 startedFromSetupPosition = TRUE;
3505 blackPlaysFirst = TRUE;
3507 if (forwardMostMove == 0) forwardMostMove = 1;
3508 if (backwardMostMove == 0) backwardMostMove = 1;
3509 if (currentMove == 0) currentMove = 1;
3511 newGameMode = gameMode;
3512 relation = RELATION_STARTING_POSITION; /* ICC needs this */
3514 case H_GOT_UNWANTED_HEADER:
3515 /* This is an initial board that we don't want */
3517 case H_GETTING_MOVES:
3518 /* Should not happen */
3519 DisplayError(_("Error gathering move list: extra board"), 0);
3520 ics_getting_history = H_FALSE;
3524 /* Take action if this is the first board of a new game, or of a
3525 different game than is currently being displayed. */
3526 if (gamenum != ics_gamenum || newGameMode != gameMode ||
3527 relation == RELATION_ISOLATED_BOARD) {
3529 /* Forget the old game and get the history (if any) of the new one */
3530 if (gameMode != BeginningOfGame) {
3534 if (appData.autoRaiseBoard) BoardToTop();
3536 if (gamenum == -1) {
3537 newGameMode = IcsIdle;
3538 } else if (moveNum > 0 && newGameMode != IcsIdle &&
3539 appData.getMoveList) {
3540 /* Need to get game history */
3541 ics_getting_history = H_REQUESTED;
3542 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3546 /* Initially flip the board to have black on the bottom if playing
3547 black or if the ICS flip flag is set, but let the user change
3548 it with the Flip View button. */
3549 flipView = appData.autoFlipView ?
3550 (newGameMode == IcsPlayingBlack) || ics_flip :
3553 /* Done with values from previous mode; copy in new ones */
3554 gameMode = newGameMode;
3556 ics_gamenum = gamenum;
3557 if (gamenum == gs_gamenum) {
3558 int klen = strlen(gs_kind);
3559 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
3560 sprintf(str, "ICS %s", gs_kind);
3561 gameInfo.event = StrSave(str);
3563 gameInfo.event = StrSave("ICS game");
3565 gameInfo.site = StrSave(appData.icsHost);
3566 gameInfo.date = PGNDate();
3567 gameInfo.round = StrSave("-");
3568 gameInfo.white = StrSave(white);
3569 gameInfo.black = StrSave(black);
3570 timeControl = basetime * 60 * 1000;
3572 timeIncrement = increment * 1000;
3573 movesPerSession = 0;
3574 gameInfo.timeControl = TimeControlTagValue();
3575 VariantSwitch(board, StringToVariant(gameInfo.event) );
3576 if (appData.debugMode) {
3577 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
3578 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
3579 setbuf(debugFP, NULL);
3582 gameInfo.outOfBook = NULL;
3584 /* Do we have the ratings? */
3585 if (strcmp(player1Name, white) == 0 &&
3586 strcmp(player2Name, black) == 0) {
3587 if (appData.debugMode)
3588 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
3589 player1Rating, player2Rating);
3590 gameInfo.whiteRating = player1Rating;
3591 gameInfo.blackRating = player2Rating;
3592 } else if (strcmp(player2Name, white) == 0 &&
3593 strcmp(player1Name, black) == 0) {
3594 if (appData.debugMode)
3595 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
3596 player2Rating, player1Rating);
3597 gameInfo.whiteRating = player2Rating;
3598 gameInfo.blackRating = player1Rating;
3600 player1Name[0] = player2Name[0] = NULLCHAR;
3602 /* Silence shouts if requested */
3603 if (appData.quietPlay &&
3604 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
3605 SendToICS(ics_prefix);
3606 SendToICS("set shout 0\n");
3610 /* Deal with midgame name changes */
3612 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
3613 if (gameInfo.white) free(gameInfo.white);
3614 gameInfo.white = StrSave(white);
3616 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
3617 if (gameInfo.black) free(gameInfo.black);
3618 gameInfo.black = StrSave(black);
3622 /* Throw away game result if anything actually changes in examine mode */
3623 if (gameMode == IcsExamining && !newGame) {
3624 gameInfo.result = GameUnfinished;
3625 if (gameInfo.resultDetails != NULL) {
3626 free(gameInfo.resultDetails);
3627 gameInfo.resultDetails = NULL;
3631 /* In pausing && IcsExamining mode, we ignore boards coming
3632 in if they are in a different variation than we are. */
3633 if (pauseExamInvalid) return;
3634 if (pausing && gameMode == IcsExamining) {
3635 if (moveNum <= pauseExamForwardMostMove) {
3636 pauseExamInvalid = TRUE;
3637 forwardMostMove = pauseExamForwardMostMove;
3642 if (appData.debugMode) {
3643 fprintf(debugFP, "load %dx%d board\n", files, ranks);
3645 /* Parse the board */
3646 for (k = 0; k < ranks; k++) {
3647 for (j = 0; j < files; j++)
3648 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
3649 if(gameInfo.holdingsWidth > 1) {
3650 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
3651 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
3654 CopyBoard(boards[moveNum], board);
3656 startedFromSetupPosition =
3657 !CompareBoards(board, initialPosition);
3658 if(startedFromSetupPosition)
3659 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
3662 /* [HGM] Set castling rights. Take the outermost Rooks,
3663 to make it also work for FRC opening positions. Note that board12
3664 is really defective for later FRC positions, as it has no way to
3665 indicate which Rook can castle if they are on the same side of King.
3666 For the initial position we grant rights to the outermost Rooks,
3667 and remember thos rights, and we then copy them on positions
3668 later in an FRC game. This means WB might not recognize castlings with
3669 Rooks that have moved back to their original position as illegal,
3670 but in ICS mode that is not its job anyway.
3672 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
3673 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
3675 for(i=BOARD_LEFT, j= -1; i<BOARD_RGHT; i++)
3676 if(board[0][i] == WhiteRook) j = i;
3677 initialRights[0] = castlingRights[moveNum][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? -1 : j);
3678 for(i=BOARD_RGHT-1, j= -1; i>=BOARD_LEFT; i--)
3679 if(board[0][i] == WhiteRook) j = i;
3680 initialRights[1] = castlingRights[moveNum][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? -1 : j);
3681 for(i=BOARD_LEFT, j= -1; i<BOARD_RGHT; i++)
3682 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
3683 initialRights[3] = castlingRights[moveNum][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? -1 : j);
3684 for(i=BOARD_RGHT-1, j= -1; i>=BOARD_LEFT; i--)
3685 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
3686 initialRights[4] = castlingRights[moveNum][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? -1 : j);
3688 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
3689 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
3690 if(board[0][k] == wKing) initialRights[2] = castlingRights[moveNum][2] = k;
3691 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
3692 if(board[BOARD_HEIGHT-1][k] == bKing)
3693 initialRights[5] = castlingRights[moveNum][5] = k;
3695 r = castlingRights[moveNum][0] = initialRights[0];
3696 if(board[0][r] != WhiteRook) castlingRights[moveNum][0] = -1;
3697 r = castlingRights[moveNum][1] = initialRights[1];
3698 if(board[0][r] != WhiteRook) castlingRights[moveNum][1] = -1;
3699 r = castlingRights[moveNum][3] = initialRights[3];
3700 if(board[BOARD_HEIGHT-1][r] != BlackRook) castlingRights[moveNum][3] = -1;
3701 r = castlingRights[moveNum][4] = initialRights[4];
3702 if(board[BOARD_HEIGHT-1][r] != BlackRook) castlingRights[moveNum][4] = -1;
3703 /* wildcastle kludge: always assume King has rights */
3704 r = castlingRights[moveNum][2] = initialRights[2];
3705 r = castlingRights[moveNum][5] = initialRights[5];
3707 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
3708 epStatus[moveNum] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
3711 if (ics_getting_history == H_GOT_REQ_HEADER ||
3712 ics_getting_history == H_GOT_UNREQ_HEADER) {
3713 /* This was an initial position from a move list, not
3714 the current position */
3718 /* Update currentMove and known move number limits */
3719 newMove = newGame || moveNum > forwardMostMove;
3722 forwardMostMove = backwardMostMove = currentMove = moveNum;
3723 if (gameMode == IcsExamining && moveNum == 0) {
3724 /* Workaround for ICS limitation: we are not told the wild
3725 type when starting to examine a game. But if we ask for
3726 the move list, the move list header will tell us */
3727 ics_getting_history = H_REQUESTED;
3728 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3731 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
3732 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
3734 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
3735 /* [HGM] applied this also to an engine that is silently watching */
3736 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
3737 (gameMode == IcsObserving || gameMode == IcsExamining) &&
3738 gameInfo.variant == currentlyInitializedVariant) {
3739 takeback = forwardMostMove - moveNum;
3740 for (i = 0; i < takeback; i++) {
3741 if (appData.debugMode) fprintf(debugFP, "take back move\n");
3742 SendToProgram("undo\n", &first);
3747 forwardMostMove = moveNum;
3748 if (!pausing || currentMove > forwardMostMove)
3749 currentMove = forwardMostMove;
3751 /* New part of history that is not contiguous with old part */
3752 if (pausing && gameMode == IcsExamining) {
3753 pauseExamInvalid = TRUE;
3754 forwardMostMove = pauseExamForwardMostMove;
3757 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
3759 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
3760 // [HGM] when we will receive the move list we now request, it will be
3761 // fed to the engine from the first move on. So if the engine is not
3762 // in the initial position now, bring it there.
3763 InitChessProgram(&first, 0);
3766 ics_getting_history = H_REQUESTED;
3767 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3770 forwardMostMove = backwardMostMove = currentMove = moveNum;
3773 /* Update the clocks */
3774 if (strchr(elapsed_time, '.')) {
3776 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
3777 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
3779 /* Time is in seconds */
3780 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
3781 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
3786 if (appData.zippyPlay && newGame &&
3787 gameMode != IcsObserving && gameMode != IcsIdle &&
3788 gameMode != IcsExamining)
3789 ZippyFirstBoard(moveNum, basetime, increment);
3792 /* Put the move on the move list, first converting
3793 to canonical algebraic form. */
3795 if (appData.debugMode) {
3796 if (appData.debugMode) { int f = forwardMostMove;
3797 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
3798 castlingRights[f][0],castlingRights[f][1],castlingRights[f][2],castlingRights[f][3],castlingRights[f][4],castlingRights[f][5]);
3800 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
3801 fprintf(debugFP, "moveNum = %d\n", moveNum);
3802 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
3803 setbuf(debugFP, NULL);
3805 if (moveNum <= backwardMostMove) {
3806 /* We don't know what the board looked like before
3808 strcpy(parseList[moveNum - 1], move_str);
3809 strcat(parseList[moveNum - 1], " ");
3810 strcat(parseList[moveNum - 1], elapsed_time);
3811 moveList[moveNum - 1][0] = NULLCHAR;
3812 } else if (strcmp(move_str, "none") == 0) {
3813 // [HGM] long SAN: swapped order; test for 'none' before parsing move
3814 /* Again, we don't know what the board looked like;
3815 this is really the start of the game. */
3816 parseList[moveNum - 1][0] = NULLCHAR;
3817 moveList[moveNum - 1][0] = NULLCHAR;
3818 backwardMostMove = moveNum;
3819 startedFromSetupPosition = TRUE;
3820 fromX = fromY = toX = toY = -1;
3822 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
3823 // So we parse the long-algebraic move string in stead of the SAN move
3824 int valid; char buf[MSG_SIZ], *prom;
3826 // str looks something like "Q/a1-a2"; kill the slash
3828 sprintf(buf, "%c%s", str[0], str+2);
3829 else strcpy(buf, str); // might be castling
3830 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
3831 strcat(buf, prom); // long move lacks promo specification!
3832 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
3833 if(appData.debugMode)
3834 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
3835 strcpy(move_str, buf);
3837 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
3838 &fromX, &fromY, &toX, &toY, &promoChar)
3839 || ParseOneMove(buf, moveNum - 1, &moveType,
3840 &fromX, &fromY, &toX, &toY, &promoChar);
3841 // end of long SAN patch
3843 (void) CoordsToAlgebraic(boards[moveNum - 1],
3844 PosFlags(moveNum - 1), EP_UNKNOWN,
3845 fromY, fromX, toY, toX, promoChar,
3846 parseList[moveNum-1]);
3847 switch (MateTest(boards[moveNum], PosFlags(moveNum), EP_UNKNOWN,
3848 castlingRights[moveNum]) ) {
3854 if(gameInfo.variant != VariantShogi)
3855 strcat(parseList[moveNum - 1], "+");
3858 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
3859 strcat(parseList[moveNum - 1], "#");
3862 strcat(parseList[moveNum - 1], " ");
3863 strcat(parseList[moveNum - 1], elapsed_time);
3864 /* currentMoveString is set as a side-effect of ParseOneMove */
3865 strcpy(moveList[moveNum - 1], currentMoveString);
3866 strcat(moveList[moveNum - 1], "\n");
3868 /* Move from ICS was illegal!? Punt. */
3869 if (appData.debugMode) {
3870 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
3871 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
3873 strcpy(parseList[moveNum - 1], move_str);
3874 strcat(parseList[moveNum - 1], " ");
3875 strcat(parseList[moveNum - 1], elapsed_time);
3876 moveList[moveNum - 1][0] = NULLCHAR;
3877 fromX = fromY = toX = toY = -1;
3880 if (appData.debugMode) {
3881 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
3882 setbuf(debugFP, NULL);
3886 /* Send move to chess program (BEFORE animating it). */
3887 if (appData.zippyPlay && !newGame && newMove &&
3888 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
3890 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
3891 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
3892 if (moveList[moveNum - 1][0] == NULLCHAR) {
3893 sprintf(str, _("Couldn't parse move \"%s\" from ICS"),
3895 DisplayError(str, 0);
3897 if (first.sendTime) {
3898 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
3900 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
3901 if (firstMove && !bookHit) {
3903 if (first.useColors) {
3904 SendToProgram(gameMode == IcsPlayingWhite ?
3906 "black\ngo\n", &first);
3908 SendToProgram("go\n", &first);
3910 first.maybeThinking = TRUE;
3913 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
3914 if (moveList[moveNum - 1][0] == NULLCHAR) {
3915 sprintf(str, _("Couldn't parse move \"%s\" from ICS"), move_str);
3916 DisplayError(str, 0);
3918 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
3919 SendMoveToProgram(moveNum - 1, &first);
3926 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
3927 /* If move comes from a remote source, animate it. If it
3928 isn't remote, it will have already been animated. */
3929 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
3930 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
3932 if (!pausing && appData.highlightLastMove) {
3933 SetHighlights(fromX, fromY, toX, toY);
3937 /* Start the clocks */
3938 whiteFlag = blackFlag = FALSE;
3939 appData.clockMode = !(basetime == 0 && increment == 0);
3941 ics_clock_paused = TRUE;
3943 } else if (ticking == 1) {
3944 ics_clock_paused = FALSE;
3946 if (gameMode == IcsIdle ||
3947 relation == RELATION_OBSERVING_STATIC ||
3948 relation == RELATION_EXAMINING ||
3950 DisplayBothClocks();
3954 /* Display opponents and material strengths */
3955 if (gameInfo.variant != VariantBughouse &&
3956 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
3957 if (tinyLayout || smallLayout) {
3958 if(gameInfo.variant == VariantNormal)
3959 sprintf(str, "%s(%d) %s(%d) {%d %d}",
3960 gameInfo.white, white_stren, gameInfo.black, black_stren,
3961 basetime, increment);
3963 sprintf(str, "%s(%d) %s(%d) {%d %d w%d}",
3964 gameInfo.white, white_stren, gameInfo.black, black_stren,
3965 basetime, increment, (int) gameInfo.variant);
3967 if(gameInfo.variant == VariantNormal)
3968 sprintf(str, "%s (%d) vs. %s (%d) {%d %d}",
3969 gameInfo.white, white_stren, gameInfo.black, black_stren,
3970 basetime, increment);
3972 sprintf(str, "%s (%d) vs. %s (%d) {%d %d %s}",
3973 gameInfo.white, white_stren, gameInfo.black, black_stren,
3974 basetime, increment, VariantName(gameInfo.variant));
3977 if (appData.debugMode) {
3978 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
3983 /* Display the board */
3984 if (!pausing && !appData.noGUI) {
3986 if (appData.premove)
3988 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
3989 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
3990 ClearPremoveHighlights();
3992 DrawPosition(FALSE, boards[currentMove]);
3993 DisplayMove(moveNum - 1);
3994 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
3995 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
3996 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
3997 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4001 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4003 if(bookHit) { // [HGM] book: simulate book reply
4004 static char bookMove[MSG_SIZ]; // a bit generous?
4006 programStats.nodes = programStats.depth = programStats.time =
4007 programStats.score = programStats.got_only_move = 0;
4008 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4010 strcpy(bookMove, "move ");
4011 strcat(bookMove, bookHit);
4012 HandleMachineMove(bookMove, &first);
4021 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4022 ics_getting_history = H_REQUESTED;
4023 sprintf(buf, "%smoves %d\n", ics_prefix, ics_gamenum);
4029 AnalysisPeriodicEvent(force)
4032 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4033 && !force) || !appData.periodicUpdates)
4036 /* Send . command to Crafty to collect stats */
4037 SendToProgram(".\n", &first);
4039 /* Don't send another until we get a response (this makes
4040 us stop sending to old Crafty's which don't understand
4041 the "." command (sending illegal cmds resets node count & time,
4042 which looks bad)) */
4043 programStats.ok_to_send = 0;
4046 void ics_update_width(new_width)
4049 ics_printf("set width %d\n", new_width);
4053 SendMoveToProgram(moveNum, cps)
4055 ChessProgramState *cps;
4059 if (cps->useUsermove) {
4060 SendToProgram("usermove ", cps);
4064 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4065 int len = space - parseList[moveNum];
4066 memcpy(buf, parseList[moveNum], len);
4068 buf[len] = NULLCHAR;
4070 sprintf(buf, "%s\n", parseList[moveNum]);
4072 SendToProgram(buf, cps);
4074 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4075 AlphaRank(moveList[moveNum], 4);
4076 SendToProgram(moveList[moveNum], cps);
4077 AlphaRank(moveList[moveNum], 4); // and back
4079 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4080 * the engine. It would be nice to have a better way to identify castle
4082 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4083 && cps->useOOCastle) {
4084 int fromX = moveList[moveNum][0] - AAA;
4085 int fromY = moveList[moveNum][1] - ONE;
4086 int toX = moveList[moveNum][2] - AAA;
4087 int toY = moveList[moveNum][3] - ONE;
4088 if((boards[moveNum][fromY][fromX] == WhiteKing
4089 && boards[moveNum][toY][toX] == WhiteRook)
4090 || (boards[moveNum][fromY][fromX] == BlackKing
4091 && boards[moveNum][toY][toX] == BlackRook)) {
4092 if(toX > fromX) SendToProgram("O-O\n", cps);
4093 else SendToProgram("O-O-O\n", cps);
4095 else SendToProgram(moveList[moveNum], cps);
4097 else SendToProgram(moveList[moveNum], cps);
4098 /* End of additions by Tord */
4101 /* [HGM] setting up the opening has brought engine in force mode! */
4102 /* Send 'go' if we are in a mode where machine should play. */
4103 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4104 (gameMode == TwoMachinesPlay ||
4106 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4108 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4109 SendToProgram("go\n", cps);
4110 if (appData.debugMode) {
4111 fprintf(debugFP, "(extra)\n");
4114 setboardSpoiledMachineBlack = 0;
4118 SendMoveToICS(moveType, fromX, fromY, toX, toY)
4120 int fromX, fromY, toX, toY;
4122 char user_move[MSG_SIZ];
4126 sprintf(user_move, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4127 (int)moveType, fromX, fromY, toX, toY);
4128 DisplayError(user_move + strlen("say "), 0);
4130 case WhiteKingSideCastle:
4131 case BlackKingSideCastle:
4132 case WhiteQueenSideCastleWild:
4133 case BlackQueenSideCastleWild:
4135 case WhiteHSideCastleFR:
4136 case BlackHSideCastleFR:
4138 sprintf(user_move, "o-o\n");
4140 case WhiteQueenSideCastle:
4141 case BlackQueenSideCastle:
4142 case WhiteKingSideCastleWild:
4143 case BlackKingSideCastleWild:
4145 case WhiteASideCastleFR:
4146 case BlackASideCastleFR:
4148 sprintf(user_move, "o-o-o\n");
4150 case WhitePromotionQueen:
4151 case BlackPromotionQueen:
4152 case WhitePromotionRook:
4153 case BlackPromotionRook:
4154 case WhitePromotionBishop:
4155 case BlackPromotionBishop:
4156 case WhitePromotionKnight:
4157 case BlackPromotionKnight:
4158 case WhitePromotionKing:
4159 case BlackPromotionKing:
4160 case WhitePromotionChancellor:
4161 case BlackPromotionChancellor:
4162 case WhitePromotionArchbishop:
4163 case BlackPromotionArchbishop:
4164 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier)
4165 sprintf(user_move, "%c%c%c%c=%c\n",
4166 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4167 PieceToChar(WhiteFerz));
4168 else if(gameInfo.variant == VariantGreat)
4169 sprintf(user_move, "%c%c%c%c=%c\n",
4170 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4171 PieceToChar(WhiteMan));
4173 sprintf(user_move, "%c%c%c%c=%c\n",
4174 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4175 PieceToChar(PromoPiece(moveType)));
4179 sprintf(user_move, "%c@%c%c\n",
4180 ToUpper(PieceToChar((ChessSquare) fromX)),
4181 AAA + toX, ONE + toY);
4184 case WhiteCapturesEnPassant:
4185 case BlackCapturesEnPassant:
4186 case IllegalMove: /* could be a variant we don't quite understand */
4187 sprintf(user_move, "%c%c%c%c\n",
4188 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4191 SendToICS(user_move);
4192 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
4193 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
4197 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
4202 if (rf == DROP_RANK) {
4203 sprintf(move, "%c@%c%c\n",
4204 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
4206 if (promoChar == 'x' || promoChar == NULLCHAR) {
4207 sprintf(move, "%c%c%c%c\n",
4208 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
4210 sprintf(move, "%c%c%c%c%c\n",
4211 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
4217 ProcessICSInitScript(f)
4222 while (fgets(buf, MSG_SIZ, f)) {
4223 SendToICSDelayed(buf,(long)appData.msLoginDelay);
4230 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
4232 AlphaRank(char *move, int n)
4234 // char *p = move, c; int x, y;
4236 if (appData.debugMode) {
4237 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
4241 move[2]>='0' && move[2]<='9' &&
4242 move[3]>='a' && move[3]<='x' ) {
4244 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4245 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4247 if(move[0]>='0' && move[0]<='9' &&
4248 move[1]>='a' && move[1]<='x' &&
4249 move[2]>='0' && move[2]<='9' &&
4250 move[3]>='a' && move[3]<='x' ) {
4251 /* input move, Shogi -> normal */
4252 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
4253 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
4254 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4255 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4258 move[3]>='0' && move[3]<='9' &&
4259 move[2]>='a' && move[2]<='x' ) {
4261 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4262 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4265 move[0]>='a' && move[0]<='x' &&
4266 move[3]>='0' && move[3]<='9' &&
4267 move[2]>='a' && move[2]<='x' ) {
4268 /* output move, normal -> Shogi */
4269 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
4270 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
4271 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4272 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4273 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
4275 if (appData.debugMode) {
4276 fprintf(debugFP, " out = '%s'\n", move);
4280 /* Parser for moves from gnuchess, ICS, or user typein box */
4282 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
4285 ChessMove *moveType;
4286 int *fromX, *fromY, *toX, *toY;
4289 if (appData.debugMode) {
4290 fprintf(debugFP, "move to parse: %s\n", move);
4292 *moveType = yylexstr(moveNum, move);
4294 switch (*moveType) {
4295 case WhitePromotionChancellor:
4296 case BlackPromotionChancellor:
4297 case WhitePromotionArchbishop:
4298 case BlackPromotionArchbishop:
4299 case WhitePromotionQueen:
4300 case BlackPromotionQueen:
4301 case WhitePromotionRook:
4302 case BlackPromotionRook:
4303 case WhitePromotionBishop:
4304 case BlackPromotionBishop:
4305 case WhitePromotionKnight:
4306 case BlackPromotionKnight:
4307 case WhitePromotionKing:
4308 case BlackPromotionKing:
4310 case WhiteCapturesEnPassant:
4311 case BlackCapturesEnPassant:
4312 case WhiteKingSideCastle:
4313 case WhiteQueenSideCastle:
4314 case BlackKingSideCastle:
4315 case BlackQueenSideCastle:
4316 case WhiteKingSideCastleWild:
4317 case WhiteQueenSideCastleWild:
4318 case BlackKingSideCastleWild:
4319 case BlackQueenSideCastleWild:
4320 /* Code added by Tord: */
4321 case WhiteHSideCastleFR:
4322 case WhiteASideCastleFR:
4323 case BlackHSideCastleFR:
4324 case BlackASideCastleFR:
4325 /* End of code added by Tord */
4326 case IllegalMove: /* bug or odd chess variant */
4327 *fromX = currentMoveString[0] - AAA;
4328 *fromY = currentMoveString[1] - ONE;
4329 *toX = currentMoveString[2] - AAA;
4330 *toY = currentMoveString[3] - ONE;
4331 *promoChar = currentMoveString[4];
4332 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
4333 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
4334 if (appData.debugMode) {
4335 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
4337 *fromX = *fromY = *toX = *toY = 0;
4340 if (appData.testLegality) {
4341 return (*moveType != IllegalMove);
4343 return !(fromX == fromY && toX == toY);
4348 *fromX = *moveType == WhiteDrop ?
4349 (int) CharToPiece(ToUpper(currentMoveString[0])) :
4350 (int) CharToPiece(ToLower(currentMoveString[0]));
4352 *toX = currentMoveString[2] - AAA;
4353 *toY = currentMoveString[3] - ONE;
4354 *promoChar = NULLCHAR;
4358 case ImpossibleMove:
4359 case (ChessMove) 0: /* end of file */
4368 if (appData.debugMode) {
4369 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
4372 *fromX = *fromY = *toX = *toY = 0;
4373 *promoChar = NULLCHAR;
4378 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
4379 // All positions will have equal probability, but the current method will not provide a unique
4380 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
4386 int piecesLeft[(int)BlackPawn];
4387 int seed, nrOfShuffles;
4389 void GetPositionNumber()
4390 { // sets global variable seed
4393 seed = appData.defaultFrcPosition;
4394 if(seed < 0) { // randomize based on time for negative FRC position numbers
4395 for(i=0; i<50; i++) seed += random();
4396 seed = random() ^ random() >> 8 ^ random() << 8;
4397 if(seed<0) seed = -seed;
4401 int put(Board board, int pieceType, int rank, int n, int shade)
4402 // put the piece on the (n-1)-th empty squares of the given shade
4406 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
4407 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
4408 board[rank][i] = (ChessSquare) pieceType;
4409 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
4411 piecesLeft[pieceType]--;
4419 void AddOnePiece(Board board, int pieceType, int rank, int shade)
4420 // calculate where the next piece goes, (any empty square), and put it there
4424 i = seed % squaresLeft[shade];
4425 nrOfShuffles *= squaresLeft[shade];
4426 seed /= squaresLeft[shade];
4427 put(board, pieceType, rank, i, shade);
4430 void AddTwoPieces(Board board, int pieceType, int rank)
4431 // calculate where the next 2 identical pieces go, (any empty square), and put it there
4433 int i, n=squaresLeft[ANY], j=n-1, k;
4435 k = n*(n-1)/2; // nr of possibilities, not counting permutations
4436 i = seed % k; // pick one
4439 while(i >= j) i -= j--;
4440 j = n - 1 - j; i += j;
4441 put(board, pieceType, rank, j, ANY);
4442 put(board, pieceType, rank, i, ANY);
4445 void SetUpShuffle(Board board, int number)
4449 GetPositionNumber(); nrOfShuffles = 1;
4451 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
4452 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
4453 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
4455 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
4457 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
4458 p = (int) board[0][i];
4459 if(p < (int) BlackPawn) piecesLeft[p] ++;
4460 board[0][i] = EmptySquare;
4463 if(PosFlags(0) & F_ALL_CASTLE_OK) {
4464 // shuffles restricted to allow normal castling put KRR first
4465 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
4466 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
4467 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
4468 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
4469 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
4470 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
4471 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
4472 put(board, WhiteRook, 0, 0, ANY);
4473 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
4476 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
4477 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
4478 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
4479 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
4480 while(piecesLeft[p] >= 2) {
4481 AddOnePiece(board, p, 0, LITE);
4482 AddOnePiece(board, p, 0, DARK);
4484 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
4487 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
4488 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
4489 // but we leave King and Rooks for last, to possibly obey FRC restriction
4490 if(p == (int)WhiteRook) continue;
4491 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
4492 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
4495 // now everything is placed, except perhaps King (Unicorn) and Rooks
4497 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
4498 // Last King gets castling rights
4499 while(piecesLeft[(int)WhiteUnicorn]) {
4500 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
4501 initialRights[2] = initialRights[5] = castlingRights[0][2] = castlingRights[0][5] = i;
4504 while(piecesLeft[(int)WhiteKing]) {
4505 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
4506 initialRights[2] = initialRights[5] = castlingRights[0][2] = castlingRights[0][5] = i;
4511 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
4512 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
4515 // Only Rooks can be left; simply place them all
4516 while(piecesLeft[(int)WhiteRook]) {
4517 i = put(board, WhiteRook, 0, 0, ANY);
4518 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
4521 initialRights[1] = initialRights[4] = castlingRights[0][1] = castlingRights[0][4] = i;
4523 initialRights[0] = initialRights[3] = castlingRights[0][0] = castlingRights[0][3] = i;
4526 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
4527 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
4530 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
4533 int SetCharTable( char *table, const char * map )
4534 /* [HGM] moved here from winboard.c because of its general usefulness */
4535 /* Basically a safe strcpy that uses the last character as King */
4537 int result = FALSE; int NrPieces;
4539 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
4540 && NrPieces >= 12 && !(NrPieces&1)) {
4541 int i; /* [HGM] Accept even length from 12 to 34 */
4543 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
4544 for( i=0; i<NrPieces/2-1; i++ ) {
4546 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
4548 table[(int) WhiteKing] = map[NrPieces/2-1];
4549 table[(int) BlackKing] = map[NrPieces-1];
4557 void Prelude(Board board)
4558 { // [HGM] superchess: random selection of exo-pieces
4559 int i, j, k; ChessSquare p;
4560 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
4562 GetPositionNumber(); // use FRC position number
4564 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
4565 SetCharTable(pieceToChar, appData.pieceToCharTable);
4566 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
4567 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
4570 j = seed%4; seed /= 4;
4571 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
4572 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
4573 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
4574 j = seed%3 + (seed%3 >= j); seed /= 3;
4575 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
4576 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
4577 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
4578 j = seed%3; seed /= 3;
4579 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
4580 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
4581 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
4582 j = seed%2 + (seed%2 >= j); seed /= 2;
4583 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
4584 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
4585 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
4586 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
4587 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
4588 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
4589 put(board, exoPieces[0], 0, 0, ANY);
4590 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
4594 InitPosition(redraw)
4597 ChessSquare (* pieces)[BOARD_SIZE];
4598 int i, j, pawnRow, overrule,
4599 oldx = gameInfo.boardWidth,
4600 oldy = gameInfo.boardHeight,
4601 oldh = gameInfo.holdingsWidth,
4602 oldv = gameInfo.variant;
4604 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
4606 /* [AS] Initialize pv info list [HGM] and game status */
4608 for( i=0; i<MAX_MOVES; i++ ) {
4609 pvInfoList[i].depth = 0;
4610 epStatus[i]=EP_NONE;
4611 for( j=0; j<BOARD_SIZE; j++ ) castlingRights[i][j] = -1;
4614 initialRulePlies = 0; /* 50-move counter start */
4616 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
4617 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
4621 /* [HGM] logic here is completely changed. In stead of full positions */
4622 /* the initialized data only consist of the two backranks. The switch */
4623 /* selects which one we will use, which is than copied to the Board */
4624 /* initialPosition, which for the rest is initialized by Pawns and */
4625 /* empty squares. This initial position is then copied to boards[0], */
4626 /* possibly after shuffling, so that it remains available. */
4628 gameInfo.holdingsWidth = 0; /* default board sizes */
4629 gameInfo.boardWidth = 8;
4630 gameInfo.boardHeight = 8;
4631 gameInfo.holdingsSize = 0;
4632 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
4633 for(i=0; i<BOARD_SIZE; i++) initialRights[i] = -1; /* but no rights yet */
4634 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
4636 switch (gameInfo.variant) {
4637 case VariantFischeRandom:
4638 shuffleOpenings = TRUE;
4642 case VariantShatranj:
4643 pieces = ShatranjArray;
4644 nrCastlingRights = 0;
4645 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
4647 case VariantTwoKings:
4648 pieces = twoKingsArray;
4650 case VariantCapaRandom:
4651 shuffleOpenings = TRUE;
4652 case VariantCapablanca:
4653 pieces = CapablancaArray;
4654 gameInfo.boardWidth = 10;
4655 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
4658 pieces = GothicArray;
4659 gameInfo.boardWidth = 10;
4660 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
4663 pieces = JanusArray;
4664 gameInfo.boardWidth = 10;
4665 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
4666 nrCastlingRights = 6;
4667 castlingRights[0][0] = initialRights[0] = BOARD_RGHT-1;
4668 castlingRights[0][1] = initialRights[1] = BOARD_LEFT;
4669 castlingRights[0][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
4670 castlingRights[0][3] = initialRights[3] = BOARD_RGHT-1;
4671 castlingRights[0][4] = initialRights[4] = BOARD_LEFT;
4672 castlingRights[0][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
4675 pieces = FalconArray;
4676 gameInfo.boardWidth = 10;
4677 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
4679 case VariantXiangqi:
4680 pieces = XiangqiArray;
4681 gameInfo.boardWidth = 9;
4682 gameInfo.boardHeight = 10;
4683 nrCastlingRights = 0;
4684 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
4687 pieces = ShogiArray;
4688 gameInfo.boardWidth = 9;
4689 gameInfo.boardHeight = 9;
4690 gameInfo.holdingsSize = 7;
4691 nrCastlingRights = 0;
4692 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
4694 case VariantCourier:
4695 pieces = CourierArray;
4696 gameInfo.boardWidth = 12;
4697 nrCastlingRights = 0;
4698 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
4699 for(i=0; i<BOARD_SIZE; i++) initialRights[i] = -1;
4701 case VariantKnightmate:
4702 pieces = KnightmateArray;
4703 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
4706 pieces = fairyArray;
4707 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVSLUKpnbrqfeacwmohijgdvsluk");
4710 pieces = GreatArray;
4711 gameInfo.boardWidth = 10;
4712 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
4713 gameInfo.holdingsSize = 8;
4717 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
4718 gameInfo.holdingsSize = 8;
4719 startedFromSetupPosition = TRUE;
4721 case VariantCrazyhouse:
4722 case VariantBughouse:
4724 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
4725 gameInfo.holdingsSize = 5;
4727 case VariantWildCastle:
4729 /* !!?shuffle with kings guaranteed to be on d or e file */
4730 shuffleOpenings = 1;
4732 case VariantNoCastle:
4734 nrCastlingRights = 0;
4735 for(i=0; i<BOARD_SIZE; i++) initialRights[i] = -1;
4736 /* !!?unconstrained back-rank shuffle */
4737 shuffleOpenings = 1;
4742 if(appData.NrFiles >= 0) {
4743 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
4744 gameInfo.boardWidth = appData.NrFiles;
4746 if(appData.NrRanks >= 0) {
4747 gameInfo.boardHeight = appData.NrRanks;
4749 if(appData.holdingsSize >= 0) {
4750 i = appData.holdingsSize;
4751 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
4752 gameInfo.holdingsSize = i;
4754 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
4755 if(BOARD_HEIGHT > BOARD_SIZE || BOARD_WIDTH > BOARD_SIZE)
4756 DisplayFatalError(_("Recompile to support this BOARD_SIZE!"), 0, 2);
4758 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
4759 if(pawnRow < 1) pawnRow = 1;
4761 /* User pieceToChar list overrules defaults */
4762 if(appData.pieceToCharTable != NULL)
4763 SetCharTable(pieceToChar, appData.pieceToCharTable);
4765 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
4767 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
4768 s = (ChessSquare) 0; /* account holding counts in guard band */
4769 for( i=0; i<BOARD_HEIGHT; i++ )
4770 initialPosition[i][j] = s;
4772 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
4773 initialPosition[0][j] = pieces[0][j-gameInfo.holdingsWidth];
4774 initialPosition[pawnRow][j] = WhitePawn;
4775 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = BlackPawn;
4776 if(gameInfo.variant == VariantXiangqi) {
4778 initialPosition[pawnRow][j] =
4779 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
4780 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
4781 initialPosition[2][j] = WhiteCannon;
4782 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
4786 initialPosition[BOARD_HEIGHT-1][j] = pieces[1][j-gameInfo.holdingsWidth];
4788 if( (gameInfo.variant == VariantShogi) && !overrule ) {
4791 initialPosition[1][j] = WhiteBishop;
4792 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
4794 initialPosition[1][j] = WhiteRook;
4795 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
4798 if( nrCastlingRights == -1) {
4799 /* [HGM] Build normal castling rights (must be done after board sizing!) */
4800 /* This sets default castling rights from none to normal corners */
4801 /* Variants with other castling rights must set them themselves above */
4802 nrCastlingRights = 6;
4804 castlingRights[0][0] = initialRights[0] = BOARD_RGHT-1;
4805 castlingRights[0][1] = initialRights[1] = BOARD_LEFT;
4806 castlingRights[0][2] = initialRights[2] = BOARD_WIDTH>>1;
4807 castlingRights[0][3] = initialRights[3] = BOARD_RGHT-1;
4808 castlingRights[0][4] = initialRights[4] = BOARD_LEFT;
4809 castlingRights[0][5] = initialRights[5] = BOARD_WIDTH>>1;
4812 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
4813 if(gameInfo.variant == VariantGreat) { // promotion commoners
4814 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
4815 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
4816 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
4817 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
4819 if (appData.debugMode) {
4820 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
4822 if(shuffleOpenings) {
4823 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
4824 startedFromSetupPosition = TRUE;
4826 if(startedFromPositionFile) {
4827 /* [HGM] loadPos: use PositionFile for every new game */
4828 CopyBoard(initialPosition, filePosition);
4829 for(i=0; i<nrCastlingRights; i++)
4830 castlingRights[0][i] = initialRights[i] = fileRights[i];
4831 startedFromSetupPosition = TRUE;
4834 CopyBoard(boards[0], initialPosition);
4836 if(oldx != gameInfo.boardWidth ||
4837 oldy != gameInfo.boardHeight ||
4838 oldh != gameInfo.holdingsWidth
4840 || oldv == VariantGothic || // For licensing popups
4841 gameInfo.variant == VariantGothic
4844 || oldv == VariantFalcon ||
4845 gameInfo.variant == VariantFalcon
4848 InitDrawingSizes(-2 ,0);
4851 DrawPosition(TRUE, boards[currentMove]);
4855 SendBoard(cps, moveNum)
4856 ChessProgramState *cps;
4859 char message[MSG_SIZ];
4861 if (cps->useSetboard) {
4862 char* fen = PositionToFEN(moveNum, cps->fenOverride);
4863 sprintf(message, "setboard %s\n", fen);
4864 SendToProgram(message, cps);
4870 /* Kludge to set black to move, avoiding the troublesome and now
4871 * deprecated "black" command.
4873 if (!WhiteOnMove(moveNum)) SendToProgram("a2a3\n", cps);
4875 SendToProgram("edit\n", cps);
4876 SendToProgram("#\n", cps);
4877 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
4878 bp = &boards[moveNum][i][BOARD_LEFT];
4879 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
4880 if ((int) *bp < (int) BlackPawn) {
4881 sprintf(message, "%c%c%c\n", PieceToChar(*bp),
4883 if(message[0] == '+' || message[0] == '~') {
4884 sprintf(message, "%c%c%c+\n",
4885 PieceToChar((ChessSquare)(DEMOTED *bp)),
4888 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
4889 message[1] = BOARD_RGHT - 1 - j + '1';
4890 message[2] = BOARD_HEIGHT - 1 - i + 'a';
4892 SendToProgram(message, cps);
4897 SendToProgram("c\n", cps);
4898 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
4899 bp = &boards[moveNum][i][BOARD_LEFT];
4900 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
4901 if (((int) *bp != (int) EmptySquare)
4902 && ((int) *bp >= (int) BlackPawn)) {
4903 sprintf(message, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
4905 if(message[0] == '+' || message[0] == '~') {
4906 sprintf(message, "%c%c%c+\n",
4907 PieceToChar((ChessSquare)(DEMOTED *bp)),
4910 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
4911 message[1] = BOARD_RGHT - 1 - j + '1';
4912 message[2] = BOARD_HEIGHT - 1 - i + 'a';
4914 SendToProgram(message, cps);
4919 SendToProgram(".\n", cps);
4921 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
4925 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice)
4927 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
4928 /* [HGM] add Shogi promotions */
4929 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
4934 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
4935 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
4937 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
4938 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
4941 piece = boards[currentMove][fromY][fromX];
4942 if(gameInfo.variant == VariantShogi) {
4943 promotionZoneSize = 3;
4944 highestPromotingPiece = (int)WhiteFerz;
4947 // next weed out all moves that do not touch the promotion zone at all
4948 if((int)piece >= BlackPawn) {
4949 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
4951 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
4953 if( toY < BOARD_HEIGHT - promotionZoneSize &&
4954 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
4957 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
4959 // weed out mandatory Shogi promotions
4960 if(gameInfo.variant == VariantShogi) {
4961 if(piece >= BlackPawn) {
4962 if(toY == 0 && piece == BlackPawn ||
4963 toY == 0 && piece == BlackQueen ||
4964 toY <= 1 && piece == BlackKnight) {
4969 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
4970 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
4971 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
4978 // weed out obviously illegal Pawn moves
4979 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
4980 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
4981 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
4982 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
4983 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
4984 // note we are not allowed to test for valid (non-)capture, due to premove
4987 // we either have a choice what to promote to, or (in Shogi) whether to promote
4988 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier) {
4989 *promoChoice = PieceToChar(BlackFerz); // no choice
4992 if(appData.alwaysPromoteToQueen) { // predetermined
4993 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantLosers)
4994 *promoChoice = PieceToChar(BlackKing); // in Suicide Q is the last thing we want
4995 else *promoChoice = PieceToChar(BlackQueen);
4999 // suppress promotion popup on illegal moves that are not premoves
5000 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
5001 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
5002 if(appData.testLegality && !premove) {
5003 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5004 epStatus[currentMove], castlingRights[currentMove],
5005 fromY, fromX, toY, toX, NULLCHAR);
5006 if(moveType != WhitePromotionQueen && moveType != BlackPromotionQueen &&
5007 moveType != WhitePromotionKnight && moveType != BlackPromotionKnight)
5015 InPalace(row, column)
5017 { /* [HGM] for Xiangqi */
5018 if( (row < 3 || row > BOARD_HEIGHT-4) &&
5019 column < (BOARD_WIDTH + 4)/2 &&
5020 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
5025 PieceForSquare (x, y)
5029 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
5032 return boards[currentMove][y][x];
5036 OKToStartUserMove(x, y)
5039 ChessSquare from_piece;
5042 if (matchMode) return FALSE;
5043 if (gameMode == EditPosition) return TRUE;
5045 if (x >= 0 && y >= 0)
5046 from_piece = boards[currentMove][y][x];
5048 from_piece = EmptySquare;
5050 if (from_piece == EmptySquare) return FALSE;
5052 white_piece = (int)from_piece >= (int)WhitePawn &&
5053 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
5056 case PlayFromGameFile:
5058 case TwoMachinesPlay:
5066 case MachinePlaysWhite:
5067 case IcsPlayingBlack:
5068 if (appData.zippyPlay) return FALSE;
5070 DisplayMoveError(_("You are playing Black"));
5075 case MachinePlaysBlack:
5076 case IcsPlayingWhite:
5077 if (appData.zippyPlay) return FALSE;
5079 DisplayMoveError(_("You are playing White"));
5085 if (!white_piece && WhiteOnMove(currentMove)) {
5086 DisplayMoveError(_("It is White's turn"));
5089 if (white_piece && !WhiteOnMove(currentMove)) {
5090 DisplayMoveError(_("It is Black's turn"));
5093 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
5094 /* Editing correspondence game history */
5095 /* Could disallow this or prompt for confirmation */
5098 if (currentMove < forwardMostMove) {
5099 /* Discarding moves */
5100 /* Could prompt for confirmation here,
5101 but I don't think that's such a good idea */
5102 forwardMostMove = currentMove;
5106 case BeginningOfGame:
5107 if (appData.icsActive) return FALSE;
5108 if (!appData.noChessProgram) {
5110 DisplayMoveError(_("You are playing White"));
5117 if (!white_piece && WhiteOnMove(currentMove)) {
5118 DisplayMoveError(_("It is White's turn"));
5121 if (white_piece && !WhiteOnMove(currentMove)) {
5122 DisplayMoveError(_("It is Black's turn"));
5131 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
5132 && gameMode != AnalyzeFile && gameMode != Training) {
5133 DisplayMoveError(_("Displayed position is not current"));
5139 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
5140 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
5141 int lastLoadGameUseList = FALSE;
5142 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
5143 ChessMove lastLoadGameStart = (ChessMove) 0;
5146 UserMoveTest(fromX, fromY, toX, toY, promoChar, captureOwn)
5147 int fromX, fromY, toX, toY;
5152 ChessSquare pdown, pup;
5154 /* Check if the user is playing in turn. This is complicated because we
5155 let the user "pick up" a piece before it is his turn. So the piece he
5156 tried to pick up may have been captured by the time he puts it down!
5157 Therefore we use the color the user is supposed to be playing in this
5158 test, not the color of the piece that is currently on the starting
5159 square---except in EditGame mode, where the user is playing both
5160 sides; fortunately there the capture race can't happen. (It can
5161 now happen in IcsExamining mode, but that's just too bad. The user
5162 will get a somewhat confusing message in that case.)
5166 case PlayFromGameFile:
5168 case TwoMachinesPlay:
5172 /* We switched into a game mode where moves are not accepted,
5173 perhaps while the mouse button was down. */
5174 return ImpossibleMove;
5176 case MachinePlaysWhite:
5177 /* User is moving for Black */
5178 if (WhiteOnMove(currentMove)) {
5179 DisplayMoveError(_("It is White's turn"));
5180 return ImpossibleMove;
5184 case MachinePlaysBlack:
5185 /* User is moving for White */
5186 if (!WhiteOnMove(currentMove)) {
5187 DisplayMoveError(_("It is Black's turn"));
5188 return ImpossibleMove;
5194 case BeginningOfGame:
5197 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
5198 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
5199 /* User is moving for Black */
5200 if (WhiteOnMove(currentMove)) {
5201 DisplayMoveError(_("It is White's turn"));
5202 return ImpossibleMove;
5205 /* User is moving for White */
5206 if (!WhiteOnMove(currentMove)) {
5207 DisplayMoveError(_("It is Black's turn"));
5208 return ImpossibleMove;
5213 case IcsPlayingBlack:
5214 /* User is moving for Black */
5215 if (WhiteOnMove(currentMove)) {
5216 if (!appData.premove) {
5217 DisplayMoveError(_("It is White's turn"));
5218 } else if (toX >= 0 && toY >= 0) {
5221 premoveFromX = fromX;
5222 premoveFromY = fromY;
5223 premovePromoChar = promoChar;
5225 if (appData.debugMode)
5226 fprintf(debugFP, "Got premove: fromX %d,"
5227 "fromY %d, toX %d, toY %d\n",
5228 fromX, fromY, toX, toY);
5230 return ImpossibleMove;
5234 case IcsPlayingWhite:
5235 /* User is moving for White */
5236 if (!WhiteOnMove(currentMove)) {
5237 if (!appData.premove) {
5238 DisplayMoveError(_("It is Black's turn"));
5239 } else if (toX >= 0 && toY >= 0) {
5242 premoveFromX = fromX;
5243 premoveFromY = fromY;
5244 premovePromoChar = promoChar;
5246 if (appData.debugMode)
5247 fprintf(debugFP, "Got premove: fromX %d,"
5248 "fromY %d, toX %d, toY %d\n",
5249 fromX, fromY, toX, toY);
5251 return ImpossibleMove;
5259 /* EditPosition, empty square, or different color piece;
5260 click-click move is possible */
5261 if (toX == -2 || toY == -2) {
5262 boards[0][fromY][fromX] = EmptySquare;
5263 return AmbiguousMove;
5264 } else if (toX >= 0 && toY >= 0) {
5265 boards[0][toY][toX] = boards[0][fromY][fromX];
5266 boards[0][fromY][fromX] = EmptySquare;
5267 return AmbiguousMove;
5269 return ImpossibleMove;
5272 if(toX < 0 || toY < 0) return ImpossibleMove;
5273 pdown = boards[currentMove][fromY][fromX];
5274 pup = boards[currentMove][toY][toX];
5276 /* [HGM] If move started in holdings, it means a drop */
5277 if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) {
5278 if( pup != EmptySquare ) return ImpossibleMove;
5279 if(appData.testLegality) {
5280 /* it would be more logical if LegalityTest() also figured out
5281 * which drops are legal. For now we forbid pawns on back rank.
5282 * Shogi is on its own here...
5284 if( (pdown == WhitePawn || pdown == BlackPawn) &&
5285 (toY == 0 || toY == BOARD_HEIGHT -1 ) )
5286 return(ImpossibleMove); /* no pawn drops on 1st/8th */
5288 return WhiteDrop; /* Not needed to specify white or black yet */
5291 userOfferedDraw = FALSE;
5293 /* [HGM] always test for legality, to get promotion info */
5294 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5295 epStatus[currentMove], castlingRights[currentMove],
5296 fromY, fromX, toY, toX, promoChar);
5297 /* [HGM] but possibly ignore an IllegalMove result */
5298 if (appData.testLegality) {
5299 if (moveType == IllegalMove || moveType == ImpossibleMove) {
5300 DisplayMoveError(_("Illegal move"));
5301 return ImpossibleMove;
5304 if(appData.debugMode) fprintf(debugFP, "moveType 3 = %d, promochar = %x\n", moveType, promoChar);
5306 /* [HGM] <popupFix> in stead of calling FinishMove directly, this
5307 function is made into one that returns an OK move type if FinishMove
5308 should be called. This to give the calling driver routine the
5309 opportunity to finish the userMove input with a promotion popup,
5310 without bothering the user with this for invalid or illegal moves */
5312 /* FinishMove(moveType, fromX, fromY, toX, toY, promoChar); */
5315 /* Common tail of UserMoveEvent and DropMenuEvent */
5317 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
5319 int fromX, fromY, toX, toY;
5320 /*char*/int promoChar;
5323 if(appData.debugMode) fprintf(debugFP, "moveType 5 = %d, promochar = %x\n", moveType, promoChar);
5324 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR) {
5325 // [HGM] superchess: suppress promotions to non-available piece
5326 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
5327 if(WhiteOnMove(currentMove)) {
5328 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
5330 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
5334 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
5335 move type in caller when we know the move is a legal promotion */
5336 if(moveType == NormalMove && promoChar)
5337 moveType = PromoCharToMoveType(WhiteOnMove(currentMove), promoChar);
5338 if(appData.debugMode) fprintf(debugFP, "moveType 1 = %d, promochar = %x\n", moveType, promoChar);
5339 /* [HGM] convert drag-and-drop piece drops to standard form */
5340 if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) {
5341 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
5342 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
5343 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
5344 // fromX = boards[currentMove][fromY][fromX];
5345 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
5346 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
5347 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
5348 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
5352 /* [HGM] <popupFix> The following if has been moved here from
5353 UserMoveEvent(). Because it seemed to belon here (why not allow
5354 piece drops in training games?), and because it can only be
5355 performed after it is known to what we promote. */
5356 if (gameMode == Training) {
5357 /* compare the move played on the board to the next move in the
5358 * game. If they match, display the move and the opponent's response.
5359 * If they don't match, display an error message.
5362 Board testBoard; char testRights[BOARD_SIZE]; char testStatus;
5363 CopyBoard(testBoard, boards[currentMove]);
5364 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard, testRights, &testStatus);
5366 if (CompareBoards(testBoard, boards[currentMove+1])) {
5367 ForwardInner(currentMove+1);
5369 /* Autoplay the opponent's response.
5370 * if appData.animate was TRUE when Training mode was entered,
5371 * the response will be animated.
5373 saveAnimate = appData.animate;
5374 appData.animate = animateTraining;
5375 ForwardInner(currentMove+1);
5376 appData.animate = saveAnimate;
5378 /* check for the end of the game */
5379 if (currentMove >= forwardMostMove) {
5380 gameMode = PlayFromGameFile;
5382 SetTrainingModeOff();
5383 DisplayInformation(_("End of game"));
5386 DisplayError(_("Incorrect move"), 0);
5391 /* Ok, now we know that the move is good, so we can kill
5392 the previous line in Analysis Mode */
5393 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5394 forwardMostMove = currentMove;
5397 /* If we need the chess program but it's dead, restart it */
5398 ResurrectChessProgram();
5400 /* A user move restarts a paused game*/
5404 thinkOutput[0] = NULLCHAR;
5406 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
5408 if (gameMode == BeginningOfGame) {
5409 if (appData.noChessProgram) {
5410 gameMode = EditGame;
5414 gameMode = MachinePlaysBlack;
5417 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
5419 if (first.sendName) {
5420 sprintf(buf, "name %s\n", gameInfo.white);
5421 SendToProgram(buf, &first);
5427 if(appData.debugMode) fprintf(debugFP, "moveType 2 = %d, promochar = %x\n", moveType, promoChar);
5428 /* Relay move to ICS or chess engine */
5429 if (appData.icsActive) {
5430 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
5431 gameMode == IcsExamining) {
5432 SendMoveToICS(moveType, fromX, fromY, toX, toY);
5436 if (first.sendTime && (gameMode == BeginningOfGame ||
5437 gameMode == MachinePlaysWhite ||
5438 gameMode == MachinePlaysBlack)) {
5439 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
5441 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
5442 // [HGM] book: if program might be playing, let it use book
5443 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
5444 first.maybeThinking = TRUE;
5445 } else SendMoveToProgram(forwardMostMove-1, &first);
5446 if (currentMove == cmailOldMove + 1) {
5447 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
5451 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
5455 switch (MateTest(boards[currentMove], PosFlags(currentMove),
5456 EP_UNKNOWN, castlingRights[currentMove]) ) {
5462 if (WhiteOnMove(currentMove)) {
5463 GameEnds(BlackWins, "Black mates", GE_PLAYER);
5465 GameEnds(WhiteWins, "White mates", GE_PLAYER);
5469 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
5474 case MachinePlaysBlack:
5475 case MachinePlaysWhite:
5476 /* disable certain menu options while machine is thinking */
5477 SetMachineThinkingEnables();
5484 if(bookHit) { // [HGM] book: simulate book reply
5485 static char bookMove[MSG_SIZ]; // a bit generous?
5487 programStats.nodes = programStats.depth = programStats.time =
5488 programStats.score = programStats.got_only_move = 0;
5489 sprintf(programStats.movelist, "%s (xbook)", bookHit);
5491 strcpy(bookMove, "move ");
5492 strcat(bookMove, bookHit);
5493 HandleMachineMove(bookMove, &first);
5499 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
5500 int fromX, fromY, toX, toY;
5503 /* [HGM] This routine was added to allow calling of its two logical
5504 parts from other modules in the old way. Before, UserMoveEvent()
5505 automatically called FinishMove() if the move was OK, and returned
5506 otherwise. I separated the two, in order to make it possible to
5507 slip a promotion popup in between. But that it always needs two
5508 calls, to the first part, (now called UserMoveTest() ), and to
5509 FinishMove if the first part succeeded. Calls that do not need
5510 to do anything in between, can call this routine the old way.
5512 ChessMove moveType = UserMoveTest(fromX, fromY, toX, toY, promoChar, FALSE);
5513 if(appData.debugMode) fprintf(debugFP, "moveType 4 = %d, promochar = %x\n", moveType, promoChar);
5514 if(moveType == AmbiguousMove)
5515 DrawPosition(FALSE, boards[currentMove]);
5516 else if(moveType != ImpossibleMove && moveType != Comment)
5517 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
5520 void LeftClick(ClickType clickType, int xPix, int yPix)
5523 Boolean saveAnimate;
5524 static int second = 0, promotionChoice = 0;
5525 char promoChoice = NULLCHAR;
5527 if (clickType == Press) ErrorPopDown();
5529 x = EventToSquare(xPix, BOARD_WIDTH);
5530 y = EventToSquare(yPix, BOARD_HEIGHT);
5531 if (!flipView && y >= 0) {
5532 y = BOARD_HEIGHT - 1 - y;
5534 if (flipView && x >= 0) {
5535 x = BOARD_WIDTH - 1 - x;
5538 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
5539 if(clickType == Release) return; // ignore upclick of click-click destination
5540 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
5541 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
5542 if(gameInfo.holdingsWidth &&
5543 (WhiteOnMove(currentMove)
5544 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y > 0
5545 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT-1) ) {
5546 // click in right holdings, for determining promotion piece
5547 ChessSquare p = boards[currentMove][y][x];
5548 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
5549 if(p != EmptySquare) {
5550 FinishMove(NormalMove, fromX, fromY, toX, toY, ToLower(PieceToChar(p)));
5555 DrawPosition(FALSE, boards[currentMove]);
5559 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
5560 if(clickType == Press
5561 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
5562 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
5563 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
5567 if (clickType == Press) {
5569 if (OKToStartUserMove(x, y)) {
5573 DragPieceBegin(xPix, yPix);
5574 if (appData.highlightDragging) {
5575 SetHighlights(x, y, -1, -1);
5583 if (clickType == Press && gameMode != EditPosition) {
5588 // ignore off-board to clicks
5589 if(y < 0 || x < 0) return;
5591 /* Check if clicking again on the same color piece */
5592 fromP = boards[currentMove][fromY][fromX];
5593 toP = boards[currentMove][y][x];
5594 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom;
5595 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
5596 WhitePawn <= toP && toP <= WhiteKing &&
5597 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
5598 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
5599 (BlackPawn <= fromP && fromP <= BlackKing &&
5600 BlackPawn <= toP && toP <= BlackKing &&
5601 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
5602 !(fromP == BlackKing && toP == BlackRook && frc))) {
5603 /* Clicked again on same color piece -- changed his mind */
5604 second = (x == fromX && y == fromY);
5605 if (appData.highlightDragging) {
5606 SetHighlights(x, y, -1, -1);
5610 if (OKToStartUserMove(x, y)) {
5613 DragPieceBegin(xPix, yPix);
5617 // ignore clicks on holdings
5618 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
5621 if (clickType == Release && x == fromX && y == fromY) {
5622 DragPieceEnd(xPix, yPix);
5623 if (appData.animateDragging) {
5624 /* Undo animation damage if any */
5625 DrawPosition(FALSE, NULL);
5628 /* Second up/down in same square; just abort move */
5633 ClearPremoveHighlights();
5635 /* First upclick in same square; start click-click mode */
5636 SetHighlights(x, y, -1, -1);
5641 /* we now have a different from- and (possibly off-board) to-square */
5642 /* Completed move */
5645 saveAnimate = appData.animate;
5646 if (clickType == Press) {
5647 /* Finish clickclick move */
5648 if (appData.animate || appData.highlightLastMove) {
5649 SetHighlights(fromX, fromY, toX, toY);
5654 /* Finish drag move */
5655 if (appData.highlightLastMove) {
5656 SetHighlights(fromX, fromY, toX, toY);
5660 DragPieceEnd(xPix, yPix);
5661 /* Don't animate move and drag both */
5662 appData.animate = FALSE;
5665 // moves into holding are invalid for now (later perhaps allow in EditPosition)
5666 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
5672 // off-board moves should not be highlighted
5673 if(x < 0 || x < 0) ClearHighlights();
5675 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
5676 SetHighlights(fromX, fromY, toX, toY);
5677 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
5678 // [HGM] super: promotion to captured piece selected from holdings
5679 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
5680 promotionChoice = TRUE;
5681 // kludge follows to temporarily execute move on display, without promoting yet
5682 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
5683 boards[currentMove][toY][toX] = p;
5684 DrawPosition(FALSE, boards[currentMove]);
5685 boards[currentMove][fromY][fromX] = p; // take back, but display stays
5686 boards[currentMove][toY][toX] = q;
5687 DisplayMessage("Click in holdings to choose piece", "");
5692 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
5693 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
5694 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
5697 appData.animate = saveAnimate;
5698 if (appData.animate || appData.animateDragging) {
5699 /* Undo animation damage if needed */
5700 DrawPosition(FALSE, NULL);
5704 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
5706 // char * hint = lastHint;
5707 FrontEndProgramStats stats;
5709 stats.which = cps == &first ? 0 : 1;
5710 stats.depth = cpstats->depth;
5711 stats.nodes = cpstats->nodes;
5712 stats.score = cpstats->score;
5713 stats.time = cpstats->time;
5714 stats.pv = cpstats->movelist;
5715 stats.hint = lastHint;
5716 stats.an_move_index = 0;
5717 stats.an_move_count = 0;
5719 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
5720 stats.hint = cpstats->move_name;
5721 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
5722 stats.an_move_count = cpstats->nr_moves;
5725 SetProgramStats( &stats );
5728 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
5729 { // [HGM] book: this routine intercepts moves to simulate book replies
5730 char *bookHit = NULL;
5732 //first determine if the incoming move brings opponent into his book
5733 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
5734 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
5735 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
5736 if(bookHit != NULL && !cps->bookSuspend) {
5737 // make sure opponent is not going to reply after receiving move to book position
5738 SendToProgram("force\n", cps);
5739 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
5741 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
5742 // now arrange restart after book miss
5744 // after a book hit we never send 'go', and the code after the call to this routine
5745 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
5747 if (cps->useUsermove) sprintf(buf, "usermove "); // sorry, no SAN yet :(
5748 sprintf(buf, "%s\n", bookHit); // force book move into program supposed to play it
5749 SendToProgram(buf, cps);
5750 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
5751 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
5752 SendToProgram("go\n", cps);
5753 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
5754 } else { // 'go' might be sent based on 'firstMove' after this routine returns
5755 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
5756 SendToProgram("go\n", cps);
5757 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
5759 return bookHit; // notify caller of hit, so it can take action to send move to opponent
5763 ChessProgramState *savedState;
5764 void DeferredBookMove(void)
5766 if(savedState->lastPing != savedState->lastPong)
5767 ScheduleDelayedEvent(DeferredBookMove, 10);
5769 HandleMachineMove(savedMessage, savedState);
5773 HandleMachineMove(message, cps)
5775 ChessProgramState *cps;
5777 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
5778 char realname[MSG_SIZ];
5779 int fromX, fromY, toX, toY;
5786 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
5788 * Kludge to ignore BEL characters
5790 while (*message == '\007') message++;
5793 * [HGM] engine debug message: ignore lines starting with '#' character
5795 if(cps->debug && *message == '#') return;
5798 * Look for book output
5800 if (cps == &first && bookRequested) {
5801 if (message[0] == '\t' || message[0] == ' ') {
5802 /* Part of the book output is here; append it */
5803 strcat(bookOutput, message);
5804 strcat(bookOutput, " \n");
5806 } else if (bookOutput[0] != NULLCHAR) {
5807 /* All of book output has arrived; display it */
5808 char *p = bookOutput;
5809 while (*p != NULLCHAR) {
5810 if (*p == '\t') *p = ' ';
5813 DisplayInformation(bookOutput);
5814 bookRequested = FALSE;
5815 /* Fall through to parse the current output */
5820 * Look for machine move.
5822 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
5823 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
5825 /* This method is only useful on engines that support ping */
5826 if (cps->lastPing != cps->lastPong) {
5827 if (gameMode == BeginningOfGame) {
5828 /* Extra move from before last new; ignore */
5829 if (appData.debugMode) {
5830 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
5833 if (appData.debugMode) {
5834 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
5835 cps->which, gameMode);
5838 SendToProgram("undo\n", cps);
5844 case BeginningOfGame:
5845 /* Extra move from before last reset; ignore */
5846 if (appData.debugMode) {
5847 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
5854 /* Extra move after we tried to stop. The mode test is
5855 not a reliable way of detecting this problem, but it's
5856 the best we can do on engines that don't support ping.
5858 if (appData.debugMode) {
5859 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
5860 cps->which, gameMode);
5862 SendToProgram("undo\n", cps);
5865 case MachinePlaysWhite:
5866 case IcsPlayingWhite:
5867 machineWhite = TRUE;
5870 case MachinePlaysBlack:
5871 case IcsPlayingBlack:
5872 machineWhite = FALSE;
5875 case TwoMachinesPlay:
5876 machineWhite = (cps->twoMachinesColor[0] == 'w');
5879 if (WhiteOnMove(forwardMostMove) != machineWhite) {
5880 if (appData.debugMode) {
5882 "Ignoring move out of turn by %s, gameMode %d"
5883 ", forwardMost %d\n",
5884 cps->which, gameMode, forwardMostMove);
5889 if (appData.debugMode) { int f = forwardMostMove;
5890 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
5891 castlingRights[f][0],castlingRights[f][1],castlingRights[f][2],castlingRights[f][3],castlingRights[f][4],castlingRights[f][5]);
5893 if(cps->alphaRank) AlphaRank(machineMove, 4);
5894 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
5895 &fromX, &fromY, &toX, &toY, &promoChar)) {
5896 /* Machine move could not be parsed; ignore it. */
5897 sprintf(buf1, _("Illegal move \"%s\" from %s machine"),
5898 machineMove, cps->which);
5899 DisplayError(buf1, 0);
5900 sprintf(buf1, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
5901 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
5902 if (gameMode == TwoMachinesPlay) {
5903 GameEnds(machineWhite ? BlackWins : WhiteWins,
5909 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
5910 /* So we have to redo legality test with true e.p. status here, */
5911 /* to make sure an illegal e.p. capture does not slip through, */
5912 /* to cause a forfeit on a justified illegal-move complaint */
5913 /* of the opponent. */
5914 if( gameMode==TwoMachinesPlay && appData.testLegality
5915 && fromY != DROP_RANK /* [HGM] temporary; should still add legality test for drops */
5918 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
5919 epStatus[forwardMostMove], castlingRights[forwardMostMove],
5920 fromY, fromX, toY, toX, promoChar);
5921 if (appData.debugMode) {
5923 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
5924 castlingRights[forwardMostMove][i], castlingRank[i]);
5925 fprintf(debugFP, "castling rights\n");
5927 if(moveType == IllegalMove) {
5928 sprintf(buf1, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
5929 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
5930 GameEnds(machineWhite ? BlackWins : WhiteWins,
5933 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
5934 /* [HGM] Kludge to handle engines that send FRC-style castling
5935 when they shouldn't (like TSCP-Gothic) */
5937 case WhiteASideCastleFR:
5938 case BlackASideCastleFR:
5940 currentMoveString[2]++;
5942 case WhiteHSideCastleFR:
5943 case BlackHSideCastleFR:
5945 currentMoveString[2]--;
5947 default: ; // nothing to do, but suppresses warning of pedantic compilers
5950 hintRequested = FALSE;
5951 lastHint[0] = NULLCHAR;
5952 bookRequested = FALSE;
5953 /* Program may be pondering now */
5954 cps->maybeThinking = TRUE;
5955 if (cps->sendTime == 2) cps->sendTime = 1;
5956 if (cps->offeredDraw) cps->offeredDraw--;
5959 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
5961 SendMoveToICS(moveType, fromX, fromY, toX, toY);
5963 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
5964 char buf[3*MSG_SIZ];
5966 sprintf(buf, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
5967 programStats.score / 100.,
5969 programStats.time / 100.,
5970 (unsigned int)programStats.nodes,
5971 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
5972 programStats.movelist);
5974 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
5978 /* currentMoveString is set as a side-effect of ParseOneMove */
5979 strcpy(machineMove, currentMoveString);
5980 strcat(machineMove, "\n");
5981 strcpy(moveList[forwardMostMove], machineMove);
5983 /* [AS] Save move info and clear stats for next move */
5984 pvInfoList[ forwardMostMove ].score = programStats.score;
5985 pvInfoList[ forwardMostMove ].depth = programStats.depth;
5986 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
5987 ClearProgramStats();
5988 thinkOutput[0] = NULLCHAR;
5989 hiddenThinkOutputState = 0;
5991 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
5993 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
5994 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
5997 while( count < adjudicateLossPlies ) {
5998 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
6001 score = -score; /* Flip score for winning side */
6004 if( score > adjudicateLossThreshold ) {
6011 if( count >= adjudicateLossPlies ) {
6012 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6014 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6015 "Xboard adjudication",
6022 if( gameMode == TwoMachinesPlay ) {
6023 // [HGM] some adjudications useful with buggy engines
6024 int k, count = 0, epFile = epStatus[forwardMostMove]; static int bare = 1;
6025 if(gameInfo.holdingsSize == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6028 if( appData.testLegality )
6029 { /* [HGM] Some more adjudications for obstinate engines */
6030 int NrWN=0, NrBN=0, NrWB=0, NrBB=0, NrWR=0, NrBR=0,
6031 NrWQ=0, NrBQ=0, NrW=0, NrK=0, bishopsColor = 0,
6032 NrPieces=0, NrPawns=0, PawnAdvance=0, i, j;
6033 static int moveCount = 6;
6035 char *reason = NULL;
6037 /* Count what is on board. */
6038 for(i=0; i<BOARD_HEIGHT; i++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
6039 { ChessSquare p = boards[forwardMostMove][i][j];
6043 { /* count B,N,R and other of each side */
6046 NrK++; break; // [HGM] atomic: count Kings
6050 case WhiteFerz: // [HGM] shatranj: kludge to mke it work in shatranj
6051 bishopsColor |= 1 << ((i^j)&1);
6056 case BlackFerz: // [HGM] shatranj: kludge to mke it work in shatranj
6057 bishopsColor |= 1 << ((i^j)&1);
6072 PawnAdvance += m; NrPawns++;
6074 NrPieces += (p != EmptySquare);
6075 NrW += ((int)p < (int)BlackPawn);
6076 if(gameInfo.variant == VariantXiangqi &&
6077 (p == WhiteFerz || p == WhiteAlfil || p == BlackFerz || p == BlackAlfil)) {
6078 NrPieces--; // [HGM] XQ: do not count purely defensive pieces
6079 NrW -= ((int)p < (int)BlackPawn);
6083 /* Some material-based adjudications that have to be made before stalemate test */
6084 if(gameInfo.variant == VariantAtomic && NrK < 2) {
6085 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
6086 epStatus[forwardMostMove] = EP_CHECKMATE; // make claimable as if stm is checkmated
6087 if(appData.checkMates) {
6088 SendMoveToProgram(forwardMostMove-1, cps->other); // make sure opponent gets move
6089 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6090 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
6091 "Xboard adjudication: King destroyed", GE_XBOARD );
6096 /* Bare King in Shatranj (loses) or Losers (wins) */
6097 if( NrW == 1 || NrPieces - NrW == 1) {
6098 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
6099 epStatus[forwardMostMove] = EP_WINS; // mark as win, so it becomes claimable
6100 if(appData.checkMates) {
6101 SendMoveToProgram(forwardMostMove-1, cps->other); // make sure opponent gets to see move
6102 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6103 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6104 "Xboard adjudication: Bare king", GE_XBOARD );
6108 if( gameInfo.variant == VariantShatranj && --bare < 0)
6110 epStatus[forwardMostMove] = EP_WINS; // make claimable as win for stm
6111 if(appData.checkMates) {
6112 /* but only adjudicate if adjudication enabled */
6113 SendMoveToProgram(forwardMostMove-1, cps->other); // make sure opponent gets move
6114 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6115 GameEnds( NrW > 1 ? WhiteWins : NrPieces - NrW > 1 ? BlackWins : GameIsDrawn,
6116 "Xboard adjudication: Bare king", GE_XBOARD );
6123 // don't wait for engine to announce game end if we can judge ourselves
6124 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove), epFile,
6125 castlingRights[forwardMostMove]) ) {
6127 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
6128 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
6129 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
6130 if(MateTest(boards[i], PosFlags(i), epStatus[i], castlingRights[i]) == MT_CHECK)
6133 reason = "Xboard adjudication: 3rd check";
6134 epStatus[forwardMostMove] = EP_CHECKMATE;
6144 reason = "Xboard adjudication: Stalemate";
6145 if(epStatus[forwardMostMove] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
6146 epStatus[forwardMostMove] = EP_STALEMATE; // default result for stalemate is draw
6147 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
6148 epStatus[forwardMostMove] = EP_WINS; // in these variants stalemated is always a win
6149 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
6150 epStatus[forwardMostMove] = NrW == NrPieces-NrW ? EP_STALEMATE :
6151 ((NrW < NrPieces-NrW) != WhiteOnMove(forwardMostMove) ?
6152 EP_CHECKMATE : EP_WINS);
6153 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
6154 epStatus[forwardMostMove] = EP_CHECKMATE; // and in these variants being stalemated loses
6158 reason = "Xboard adjudication: Checkmate";
6159 epStatus[forwardMostMove] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
6163 switch(i = epStatus[forwardMostMove]) {
6165 result = GameIsDrawn; break;
6167 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
6169 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
6171 result = (ChessMove) 0;
6173 if(appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
6174 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
6175 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6176 GameEnds( result, reason, GE_XBOARD );
6180 /* Next absolutely insufficient mating material. */
6181 if( NrPieces == 2 || gameInfo.variant != VariantXiangqi &&
6182 gameInfo.variant != VariantShatranj && // [HGM] baring will remain possible
6183 (NrPieces == 3 && NrWN+NrBN+NrWB+NrBB == 1 ||
6184 NrPieces == NrBB+NrWB+2 && bishopsColor != 3)) // [HGM] all Bishops (Ferz!) same color
6185 { /* KBK, KNK, KK of KBKB with like Bishops */
6187 /* always flag draws, for judging claims */
6188 epStatus[forwardMostMove] = EP_INSUF_DRAW;
6190 if(appData.materialDraws) {
6191 /* but only adjudicate them if adjudication enabled */
6192 SendToProgram("force\n", cps->other); // suppress reply
6193 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see last move */
6194 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6195 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
6200 /* Then some trivial draws (only adjudicate, cannot be claimed) */
6202 ( NrWR == 1 && NrBR == 1 /* KRKR */
6203 || NrWQ==1 && NrBQ==1 /* KQKQ */
6204 || NrWN==2 || NrBN==2 /* KNNK */
6205 || NrWN+NrWB == 1 && NrBN+NrBB == 1 /* KBKN, KBKB, KNKN */
6207 if(--moveCount < 0 && appData.trivialDraws)
6208 { /* if the first 3 moves do not show a tactical win, declare draw */
6209 SendToProgram("force\n", cps->other); // suppress reply
6210 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
6211 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6212 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
6215 } else moveCount = 6;
6219 if (appData.debugMode) { int i;
6220 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
6221 forwardMostMove, backwardMostMove, epStatus[backwardMostMove],
6222 appData.drawRepeats);
6223 for( i=forwardMostMove; i>=backwardMostMove; i-- )
6224 fprintf(debugFP, "%d ep=%d\n", i, epStatus[i]);
6228 /* Check for rep-draws */
6230 for(k = forwardMostMove-2;
6231 k>=backwardMostMove && k>=forwardMostMove-100 &&
6232 epStatus[k] < EP_UNKNOWN &&
6233 epStatus[k+2] <= EP_NONE && epStatus[k+1] <= EP_NONE;
6236 if(CompareBoards(boards[k], boards[forwardMostMove])) {
6237 /* compare castling rights */
6238 if( castlingRights[forwardMostMove][2] != castlingRights[k][2] &&
6239 (castlingRights[k][0] >= 0 || castlingRights[k][1] >= 0) )
6240 rights++; /* King lost rights, while rook still had them */
6241 if( castlingRights[forwardMostMove][2] >= 0 ) { /* king has rights */
6242 if( castlingRights[forwardMostMove][0] != castlingRights[k][0] ||
6243 castlingRights[forwardMostMove][1] != castlingRights[k][1] )
6244 rights++; /* but at least one rook lost them */
6246 if( castlingRights[forwardMostMove][5] != castlingRights[k][5] &&
6247 (castlingRights[k][3] >= 0 || castlingRights[k][4] >= 0) )
6249 if( castlingRights[forwardMostMove][5] >= 0 ) {
6250 if( castlingRights[forwardMostMove][3] != castlingRights[k][3] ||
6251 castlingRights[forwardMostMove][4] != castlingRights[k][4] )
6254 if( rights == 0 && ++count > appData.drawRepeats-2
6255 && appData.drawRepeats > 1) {
6256 /* adjudicate after user-specified nr of repeats */
6257 SendToProgram("force\n", cps->other); // suppress reply
6258 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
6259 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6260 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
6261 // [HGM] xiangqi: check for forbidden perpetuals
6262 int m, ourPerpetual = 1, hisPerpetual = 1;
6263 for(m=forwardMostMove; m>k; m-=2) {
6264 if(MateTest(boards[m], PosFlags(m),
6265 EP_NONE, castlingRights[m]) != MT_CHECK)
6266 ourPerpetual = 0; // the current mover did not always check
6267 if(MateTest(boards[m-1], PosFlags(m-1),
6268 EP_NONE, castlingRights[m-1]) != MT_CHECK)
6269 hisPerpetual = 0; // the opponent did not always check
6271 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
6272 ourPerpetual, hisPerpetual);
6273 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
6274 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6275 "Xboard adjudication: perpetual checking", GE_XBOARD );
6278 if(hisPerpetual && !ourPerpetual) // he is checking us, but did not repeat yet
6279 break; // (or we would have caught him before). Abort repetition-checking loop.
6280 // Now check for perpetual chases
6281 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
6282 hisPerpetual = PerpetualChase(k, forwardMostMove);
6283 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
6284 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
6285 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6286 "Xboard adjudication: perpetual chasing", GE_XBOARD );
6289 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
6290 break; // Abort repetition-checking loop.
6292 // if neither of us is checking or chasing all the time, or both are, it is draw
6294 GameEnds( GameIsDrawn, "Xboard adjudication: repetition draw", GE_XBOARD );
6297 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
6298 epStatus[forwardMostMove] = EP_REP_DRAW;
6302 /* Now we test for 50-move draws. Determine ply count */
6303 count = forwardMostMove;
6304 /* look for last irreversble move */
6305 while( epStatus[count] <= EP_NONE && count > backwardMostMove )
6307 /* if we hit starting position, add initial plies */
6308 if( count == backwardMostMove )
6309 count -= initialRulePlies;
6310 count = forwardMostMove - count;
6312 epStatus[forwardMostMove] = EP_RULE_DRAW;
6313 /* this is used to judge if draw claims are legal */
6314 if(appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
6315 SendToProgram("force\n", cps->other); // suppress reply
6316 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
6317 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6318 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
6322 /* if draw offer is pending, treat it as a draw claim
6323 * when draw condition present, to allow engines a way to
6324 * claim draws before making their move to avoid a race
6325 * condition occurring after their move
6327 if( cps->other->offeredDraw || cps->offeredDraw ) {
6329 if(epStatus[forwardMostMove] == EP_RULE_DRAW)
6330 p = "Draw claim: 50-move rule";
6331 if(epStatus[forwardMostMove] == EP_REP_DRAW)
6332 p = "Draw claim: 3-fold repetition";
6333 if(epStatus[forwardMostMove] == EP_INSUF_DRAW)
6334 p = "Draw claim: insufficient mating material";
6336 SendToProgram("force\n", cps->other); // suppress reply
6337 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
6338 GameEnds( GameIsDrawn, p, GE_XBOARD );
6339 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6345 if( appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
6346 SendToProgram("force\n", cps->other); // suppress reply
6347 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
6348 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6350 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
6357 if (gameMode == TwoMachinesPlay) {
6358 /* [HGM] relaying draw offers moved to after reception of move */
6359 /* and interpreting offer as claim if it brings draw condition */
6360 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
6361 SendToProgram("draw\n", cps->other);
6363 if (cps->other->sendTime) {
6364 SendTimeRemaining(cps->other,
6365 cps->other->twoMachinesColor[0] == 'w');
6367 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
6368 if (firstMove && !bookHit) {
6370 if (cps->other->useColors) {
6371 SendToProgram(cps->other->twoMachinesColor, cps->other);
6373 SendToProgram("go\n", cps->other);
6375 cps->other->maybeThinking = TRUE;
6378 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6380 if (!pausing && appData.ringBellAfterMoves) {
6385 * Reenable menu items that were disabled while
6386 * machine was thinking
6388 if (gameMode != TwoMachinesPlay)
6389 SetUserThinkingEnables();
6391 // [HGM] book: after book hit opponent has received move and is now in force mode
6392 // force the book reply into it, and then fake that it outputted this move by jumping
6393 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
6395 static char bookMove[MSG_SIZ]; // a bit generous?
6397 strcpy(bookMove, "move ");
6398 strcat(bookMove, bookHit);
6401 programStats.nodes = programStats.depth = programStats.time =
6402 programStats.score = programStats.got_only_move = 0;
6403 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6405 if(cps->lastPing != cps->lastPong) {
6406 savedMessage = message; // args for deferred call
6408 ScheduleDelayedEvent(DeferredBookMove, 10);
6417 /* Set special modes for chess engines. Later something general
6418 * could be added here; for now there is just one kludge feature,
6419 * needed because Crafty 15.10 and earlier don't ignore SIGINT
6420 * when "xboard" is given as an interactive command.
6422 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
6423 cps->useSigint = FALSE;
6424 cps->useSigterm = FALSE;
6426 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
6427 ParseFeatures(message+8, cps);
6428 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
6431 /* [HGM] Allow engine to set up a position. Don't ask me why one would
6432 * want this, I was asked to put it in, and obliged.
6434 if (!strncmp(message, "setboard ", 9)) {
6435 Board initial_position; int i;
6437 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
6439 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
6440 DisplayError(_("Bad FEN received from engine"), 0);
6444 CopyBoard(boards[0], initial_position);
6445 initialRulePlies = FENrulePlies;
6446 epStatus[0] = FENepStatus;
6447 for( i=0; i<nrCastlingRights; i++ )
6448 castlingRights[0][i] = FENcastlingRights[i];
6449 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
6450 else gameMode = MachinePlaysBlack;
6451 DrawPosition(FALSE, boards[currentMove]);
6457 * Look for communication commands
6459 if (!strncmp(message, "telluser ", 9)) {
6460 DisplayNote(message + 9);
6463 if (!strncmp(message, "tellusererror ", 14)) {
6464 DisplayError(message + 14, 0);
6467 if (!strncmp(message, "tellopponent ", 13)) {
6468 if (appData.icsActive) {
6470 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
6474 DisplayNote(message + 13);
6478 if (!strncmp(message, "tellothers ", 11)) {
6479 if (appData.icsActive) {
6481 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
6487 if (!strncmp(message, "tellall ", 8)) {
6488 if (appData.icsActive) {
6490 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
6494 DisplayNote(message + 8);
6498 if (strncmp(message, "warning", 7) == 0) {
6499 /* Undocumented feature, use tellusererror in new code */
6500 DisplayError(message, 0);
6503 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
6504 strcpy(realname, cps->tidy);
6505 strcat(realname, " query");
6506 AskQuestion(realname, buf2, buf1, cps->pr);
6509 /* Commands from the engine directly to ICS. We don't allow these to be
6510 * sent until we are logged on. Crafty kibitzes have been known to
6511 * interfere with the login process.
6514 if (!strncmp(message, "tellics ", 8)) {
6515 SendToICS(message + 8);
6519 if (!strncmp(message, "tellicsnoalias ", 15)) {
6520 SendToICS(ics_prefix);
6521 SendToICS(message + 15);
6525 /* The following are for backward compatibility only */
6526 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
6527 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
6528 SendToICS(ics_prefix);
6534 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
6538 * If the move is illegal, cancel it and redraw the board.
6539 * Also deal with other error cases. Matching is rather loose
6540 * here to accommodate engines written before the spec.
6542 if (strncmp(message + 1, "llegal move", 11) == 0 ||
6543 strncmp(message, "Error", 5) == 0) {
6544 if (StrStr(message, "name") ||
6545 StrStr(message, "rating") || StrStr(message, "?") ||
6546 StrStr(message, "result") || StrStr(message, "board") ||
6547 StrStr(message, "bk") || StrStr(message, "computer") ||
6548 StrStr(message, "variant") || StrStr(message, "hint") ||
6549 StrStr(message, "random") || StrStr(message, "depth") ||
6550 StrStr(message, "accepted")) {
6553 if (StrStr(message, "protover")) {
6554 /* Program is responding to input, so it's apparently done
6555 initializing, and this error message indicates it is
6556 protocol version 1. So we don't need to wait any longer
6557 for it to initialize and send feature commands. */
6558 FeatureDone(cps, 1);
6559 cps->protocolVersion = 1;
6562 cps->maybeThinking = FALSE;
6564 if (StrStr(message, "draw")) {
6565 /* Program doesn't have "draw" command */
6566 cps->sendDrawOffers = 0;
6569 if (cps->sendTime != 1 &&
6570 (StrStr(message, "time") || StrStr(message, "otim"))) {
6571 /* Program apparently doesn't have "time" or "otim" command */
6575 if (StrStr(message, "analyze")) {
6576 cps->analysisSupport = FALSE;
6577 cps->analyzing = FALSE;
6579 sprintf(buf2, _("%s does not support analysis"), cps->tidy);
6580 DisplayError(buf2, 0);
6583 if (StrStr(message, "(no matching move)st")) {
6584 /* Special kludge for GNU Chess 4 only */
6585 cps->stKludge = TRUE;
6586 SendTimeControl(cps, movesPerSession, timeControl,
6587 timeIncrement, appData.searchDepth,
6591 if (StrStr(message, "(no matching move)sd")) {
6592 /* Special kludge for GNU Chess 4 only */
6593 cps->sdKludge = TRUE;
6594 SendTimeControl(cps, movesPerSession, timeControl,
6595 timeIncrement, appData.searchDepth,
6599 if (!StrStr(message, "llegal")) {
6602 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
6603 gameMode == IcsIdle) return;
6604 if (forwardMostMove <= backwardMostMove) return;
6605 if (pausing) PauseEvent();
6606 if(appData.forceIllegal) {
6607 // [HGM] illegal: machine refused move; force position after move into it
6608 SendToProgram("force\n", cps);
6609 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
6610 // we have a real problem now, as SendBoard will use the a2a3 kludge
6611 // when black is to move, while there might be nothing on a2 or black
6612 // might already have the move. So send the board as if white has the move.
6613 // But first we must change the stm of the engine, as it refused the last move
6614 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
6615 if(WhiteOnMove(forwardMostMove)) {
6616 SendToProgram("a7a6\n", cps); // for the engine black still had the move
6617 SendBoard(cps, forwardMostMove); // kludgeless board
6619 SendToProgram("a2a3\n", cps); // for the engine white still had the move
6620 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
6621 SendBoard(cps, forwardMostMove+1); // kludgeless board
6623 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
6624 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
6625 gameMode == TwoMachinesPlay)
6626 SendToProgram("go\n", cps);
6629 if (gameMode == PlayFromGameFile) {
6630 /* Stop reading this game file */
6631 gameMode = EditGame;
6634 currentMove = --forwardMostMove;
6635 DisplayMove(currentMove-1); /* before DisplayMoveError */
6637 DisplayBothClocks();
6638 sprintf(buf1, _("Illegal move \"%s\" (rejected by %s chess program)"),
6639 parseList[currentMove], cps->which);
6640 DisplayMoveError(buf1);
6641 DrawPosition(FALSE, boards[currentMove]);
6643 /* [HGM] illegal-move claim should forfeit game when Xboard */
6644 /* only passes fully legal moves */
6645 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
6646 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
6647 "False illegal-move claim", GE_XBOARD );
6651 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
6652 /* Program has a broken "time" command that
6653 outputs a string not ending in newline.
6659 * If chess program startup fails, exit with an error message.
6660 * Attempts to recover here are futile.
6662 if ((StrStr(message, "unknown host") != NULL)
6663 || (StrStr(message, "No remote directory") != NULL)
6664 || (StrStr(message, "not found") != NULL)
6665 || (StrStr(message, "No such file") != NULL)
6666 || (StrStr(message, "can't alloc") != NULL)
6667 || (StrStr(message, "Permission denied") != NULL)) {
6669 cps->maybeThinking = FALSE;
6670 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
6671 cps->which, cps->program, cps->host, message);
6672 RemoveInputSource(cps->isr);
6673 DisplayFatalError(buf1, 0, 1);
6678 * Look for hint output
6680 if (sscanf(message, "Hint: %s", buf1) == 1) {
6681 if (cps == &first && hintRequested) {
6682 hintRequested = FALSE;
6683 if (ParseOneMove(buf1, forwardMostMove, &moveType,
6684 &fromX, &fromY, &toX, &toY, &promoChar)) {
6685 (void) CoordsToAlgebraic(boards[forwardMostMove],
6686 PosFlags(forwardMostMove), EP_UNKNOWN,
6687 fromY, fromX, toY, toX, promoChar, buf1);
6688 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
6689 DisplayInformation(buf2);
6691 /* Hint move could not be parsed!? */
6692 snprintf(buf2, sizeof(buf2),
6693 _("Illegal hint move \"%s\"\nfrom %s chess program"),
6695 DisplayError(buf2, 0);
6698 strcpy(lastHint, buf1);
6704 * Ignore other messages if game is not in progress
6706 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
6707 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
6710 * look for win, lose, draw, or draw offer
6712 if (strncmp(message, "1-0", 3) == 0) {
6713 char *p, *q, *r = "";
6714 p = strchr(message, '{');
6722 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
6724 } else if (strncmp(message, "0-1", 3) == 0) {
6725 char *p, *q, *r = "";
6726 p = strchr(message, '{');
6734 /* Kludge for Arasan 4.1 bug */
6735 if (strcmp(r, "Black resigns") == 0) {
6736 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
6739 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
6741 } else if (strncmp(message, "1/2", 3) == 0) {
6742 char *p, *q, *r = "";
6743 p = strchr(message, '{');
6752 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
6755 } else if (strncmp(message, "White resign", 12) == 0) {
6756 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
6758 } else if (strncmp(message, "Black resign", 12) == 0) {
6759 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
6761 } else if (strncmp(message, "White matches", 13) == 0 ||
6762 strncmp(message, "Black matches", 13) == 0 ) {
6763 /* [HGM] ignore GNUShogi noises */
6765 } else if (strncmp(message, "White", 5) == 0 &&
6766 message[5] != '(' &&
6767 StrStr(message, "Black") == NULL) {
6768 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
6770 } else if (strncmp(message, "Black", 5) == 0 &&
6771 message[5] != '(') {
6772 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
6774 } else if (strcmp(message, "resign") == 0 ||
6775 strcmp(message, "computer resigns") == 0) {
6777 case MachinePlaysBlack:
6778 case IcsPlayingBlack:
6779 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
6781 case MachinePlaysWhite:
6782 case IcsPlayingWhite:
6783 GameEnds(BlackWins, "White resigns", GE_ENGINE);
6785 case TwoMachinesPlay:
6786 if (cps->twoMachinesColor[0] == 'w')
6787 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
6789 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
6796 } else if (strncmp(message, "opponent mates", 14) == 0) {
6798 case MachinePlaysBlack:
6799 case IcsPlayingBlack:
6800 GameEnds(WhiteWins, "White mates", GE_ENGINE);
6802 case MachinePlaysWhite:
6803 case IcsPlayingWhite:
6804 GameEnds(BlackWins, "Black mates", GE_ENGINE);
6806 case TwoMachinesPlay:
6807 if (cps->twoMachinesColor[0] == 'w')
6808 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
6810 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
6817 } else if (strncmp(message, "computer mates", 14) == 0) {
6819 case MachinePlaysBlack:
6820 case IcsPlayingBlack:
6821 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
6823 case MachinePlaysWhite:
6824 case IcsPlayingWhite:
6825 GameEnds(WhiteWins, "White mates", GE_ENGINE);
6827 case TwoMachinesPlay:
6828 if (cps->twoMachinesColor[0] == 'w')
6829 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
6831 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
6838 } else if (strncmp(message, "checkmate", 9) == 0) {
6839 if (WhiteOnMove(forwardMostMove)) {
6840 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
6842 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
6845 } else if (strstr(message, "Draw") != NULL ||
6846 strstr(message, "game is a draw") != NULL) {
6847 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
6849 } else if (strstr(message, "offer") != NULL &&
6850 strstr(message, "draw") != NULL) {
6852 if (appData.zippyPlay && first.initDone) {
6853 /* Relay offer to ICS */
6854 SendToICS(ics_prefix);
6855 SendToICS("draw\n");
6858 cps->offeredDraw = 2; /* valid until this engine moves twice */
6859 if (gameMode == TwoMachinesPlay) {
6860 if (cps->other->offeredDraw) {
6861 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
6862 /* [HGM] in two-machine mode we delay relaying draw offer */
6863 /* until after we also have move, to see if it is really claim */
6865 } else if (gameMode == MachinePlaysWhite ||
6866 gameMode == MachinePlaysBlack) {
6867 if (userOfferedDraw) {
6868 DisplayInformation(_("Machine accepts your draw offer"));
6869 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
6871 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
6878 * Look for thinking output
6880 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
6881 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
6883 int plylev, mvleft, mvtot, curscore, time;
6884 char mvname[MOVE_LEN];
6888 int prefixHint = FALSE;
6889 mvname[0] = NULLCHAR;
6892 case MachinePlaysBlack:
6893 case IcsPlayingBlack:
6894 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
6896 case MachinePlaysWhite:
6897 case IcsPlayingWhite:
6898 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
6903 case IcsObserving: /* [DM] icsEngineAnalyze */
6904 if (!appData.icsEngineAnalyze) ignore = TRUE;
6906 case TwoMachinesPlay:
6907 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
6918 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
6919 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
6921 if (plyext != ' ' && plyext != '\t') {
6925 /* [AS] Negate score if machine is playing black and reporting absolute scores */
6926 if( cps->scoreIsAbsolute &&
6927 ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) )
6929 curscore = -curscore;
6933 programStats.depth = plylev;
6934 programStats.nodes = nodes;
6935 programStats.time = time;
6936 programStats.score = curscore;
6937 programStats.got_only_move = 0;
6939 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
6942 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
6943 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
6944 if(WhiteOnMove(forwardMostMove))
6945 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
6946 else blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
6949 /* Buffer overflow protection */
6950 if (buf1[0] != NULLCHAR) {
6951 if (strlen(buf1) >= sizeof(programStats.movelist)
6952 && appData.debugMode) {
6954 "PV is too long; using the first %d bytes.\n",
6955 sizeof(programStats.movelist) - 1);
6958 safeStrCpy( programStats.movelist, buf1, sizeof(programStats.movelist) );
6960 sprintf(programStats.movelist, " no PV\n");
6963 if (programStats.seen_stat) {
6964 programStats.ok_to_send = 1;
6967 if (strchr(programStats.movelist, '(') != NULL) {
6968 programStats.line_is_book = 1;
6969 programStats.nr_moves = 0;
6970 programStats.moves_left = 0;
6972 programStats.line_is_book = 0;
6975 SendProgramStatsToFrontend( cps, &programStats );
6978 [AS] Protect the thinkOutput buffer from overflow... this
6979 is only useful if buf1 hasn't overflowed first!
6981 sprintf(thinkOutput, "[%d]%c%+.2f %s%s",
6983 (gameMode == TwoMachinesPlay ?
6984 ToUpper(cps->twoMachinesColor[0]) : ' '),
6985 ((double) curscore) / 100.0,
6986 prefixHint ? lastHint : "",
6987 prefixHint ? " " : "" );
6989 if( buf1[0] != NULLCHAR ) {
6990 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
6992 if( strlen(buf1) > max_len ) {
6993 if( appData.debugMode) {
6994 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
6996 buf1[max_len+1] = '\0';
6999 strcat( thinkOutput, buf1 );
7002 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
7003 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7004 DisplayMove(currentMove - 1);
7008 } else if ((p=StrStr(message, "(only move)")) != NULL) {
7009 /* crafty (9.25+) says "(only move) <move>"
7010 * if there is only 1 legal move
7012 sscanf(p, "(only move) %s", buf1);
7013 sprintf(thinkOutput, "%s (only move)", buf1);
7014 sprintf(programStats.movelist, "%s (only move)", buf1);
7015 programStats.depth = 1;
7016 programStats.nr_moves = 1;
7017 programStats.moves_left = 1;
7018 programStats.nodes = 1;
7019 programStats.time = 1;
7020 programStats.got_only_move = 1;
7022 /* Not really, but we also use this member to
7023 mean "line isn't going to change" (Crafty
7024 isn't searching, so stats won't change) */
7025 programStats.line_is_book = 1;
7027 SendProgramStatsToFrontend( cps, &programStats );
7029 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
7030 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7031 DisplayMove(currentMove - 1);
7034 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
7035 &time, &nodes, &plylev, &mvleft,
7036 &mvtot, mvname) >= 5) {
7037 /* The stat01: line is from Crafty (9.29+) in response
7038 to the "." command */
7039 programStats.seen_stat = 1;
7040 cps->maybeThinking = TRUE;
7042 if (programStats.got_only_move || !appData.periodicUpdates)
7045 programStats.depth = plylev;
7046 programStats.time = time;
7047 programStats.nodes = nodes;
7048 programStats.moves_left = mvleft;
7049 programStats.nr_moves = mvtot;
7050 strcpy(programStats.move_name, mvname);
7051 programStats.ok_to_send = 1;
7052 programStats.movelist[0] = '\0';
7054 SendProgramStatsToFrontend( cps, &programStats );
7058 } else if (strncmp(message,"++",2) == 0) {
7059 /* Crafty 9.29+ outputs this */
7060 programStats.got_fail = 2;
7063 } else if (strncmp(message,"--",2) == 0) {
7064 /* Crafty 9.29+ outputs this */
7065 programStats.got_fail = 1;
7068 } else if (thinkOutput[0] != NULLCHAR &&
7069 strncmp(message, " ", 4) == 0) {
7070 unsigned message_len;
7073 while (*p && *p == ' ') p++;
7075 message_len = strlen( p );
7077 /* [AS] Avoid buffer overflow */
7078 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
7079 strcat(thinkOutput, " ");
7080 strcat(thinkOutput, p);
7083 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
7084 strcat(programStats.movelist, " ");
7085 strcat(programStats.movelist, p);
7088 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
7089 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7090 DisplayMove(currentMove - 1);
7098 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7099 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
7101 ChessProgramStats cpstats;
7103 if (plyext != ' ' && plyext != '\t') {
7107 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7108 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
7109 curscore = -curscore;
7112 cpstats.depth = plylev;
7113 cpstats.nodes = nodes;
7114 cpstats.time = time;
7115 cpstats.score = curscore;
7116 cpstats.got_only_move = 0;
7117 cpstats.movelist[0] = '\0';
7119 if (buf1[0] != NULLCHAR) {
7120 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist) );
7123 cpstats.ok_to_send = 0;
7124 cpstats.line_is_book = 0;
7125 cpstats.nr_moves = 0;
7126 cpstats.moves_left = 0;
7128 SendProgramStatsToFrontend( cps, &cpstats );
7135 /* Parse a game score from the character string "game", and
7136 record it as the history of the current game. The game
7137 score is NOT assumed to start from the standard position.
7138 The display is not updated in any way.
7141 ParseGameHistory(game)
7145 int fromX, fromY, toX, toY, boardIndex;
7150 if (appData.debugMode)
7151 fprintf(debugFP, "Parsing game history: %s\n", game);
7153 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
7154 gameInfo.site = StrSave(appData.icsHost);
7155 gameInfo.date = PGNDate();
7156 gameInfo.round = StrSave("-");
7158 /* Parse out names of players */
7159 while (*game == ' ') game++;
7161 while (*game != ' ') *p++ = *game++;
7163 gameInfo.white = StrSave(buf);
7164 while (*game == ' ') game++;
7166 while (*game != ' ' && *game != '\n') *p++ = *game++;
7168 gameInfo.black = StrSave(buf);
7171 boardIndex = blackPlaysFirst ? 1 : 0;
7174 yyboardindex = boardIndex;
7175 moveType = (ChessMove) yylex();
7177 case IllegalMove: /* maybe suicide chess, etc. */
7178 if (appData.debugMode) {
7179 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
7180 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
7181 setbuf(debugFP, NULL);
7183 case WhitePromotionChancellor:
7184 case BlackPromotionChancellor:
7185 case WhitePromotionArchbishop:
7186 case BlackPromotionArchbishop:
7187 case WhitePromotionQueen:
7188 case BlackPromotionQueen:
7189 case WhitePromotionRook:
7190 case BlackPromotionRook:
7191 case WhitePromotionBishop:
7192 case BlackPromotionBishop:
7193 case WhitePromotionKnight:
7194 case BlackPromotionKnight:
7195 case WhitePromotionKing:
7196 case BlackPromotionKing:
7198 case WhiteCapturesEnPassant:
7199 case BlackCapturesEnPassant:
7200 case WhiteKingSideCastle:
7201 case WhiteQueenSideCastle:
7202 case BlackKingSideCastle:
7203 case BlackQueenSideCastle:
7204 case WhiteKingSideCastleWild:
7205 case WhiteQueenSideCastleWild:
7206 case BlackKingSideCastleWild:
7207 case BlackQueenSideCastleWild:
7209 case WhiteHSideCastleFR:
7210 case WhiteASideCastleFR:
7211 case BlackHSideCastleFR:
7212 case BlackASideCastleFR:
7214 fromX = currentMoveString[0] - AAA;
7215 fromY = currentMoveString[1] - ONE;
7216 toX = currentMoveString[2] - AAA;
7217 toY = currentMoveString[3] - ONE;
7218 promoChar = currentMoveString[4];
7222 fromX = moveType == WhiteDrop ?
7223 (int) CharToPiece(ToUpper(currentMoveString[0])) :
7224 (int) CharToPiece(ToLower(currentMoveString[0]));
7226 toX = currentMoveString[2] - AAA;
7227 toY = currentMoveString[3] - ONE;
7228 promoChar = NULLCHAR;
7232 sprintf(buf, _("Ambiguous move in ICS output: \"%s\""), yy_text);
7233 if (appData.debugMode) {
7234 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
7235 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
7236 setbuf(debugFP, NULL);
7238 DisplayError(buf, 0);
7240 case ImpossibleMove:
7242 sprintf(buf, _("Illegal move in ICS output: \"%s\""), yy_text);
7243 if (appData.debugMode) {
7244 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
7245 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
7246 setbuf(debugFP, NULL);
7248 DisplayError(buf, 0);
7250 case (ChessMove) 0: /* end of file */
7251 if (boardIndex < backwardMostMove) {
7252 /* Oops, gap. How did that happen? */
7253 DisplayError(_("Gap in move list"), 0);
7256 backwardMostMove = blackPlaysFirst ? 1 : 0;
7257 if (boardIndex > forwardMostMove) {
7258 forwardMostMove = boardIndex;
7262 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
7263 strcat(parseList[boardIndex-1], " ");
7264 strcat(parseList[boardIndex-1], yy_text);
7276 case GameUnfinished:
7277 if (gameMode == IcsExamining) {
7278 if (boardIndex < backwardMostMove) {
7279 /* Oops, gap. How did that happen? */
7282 backwardMostMove = blackPlaysFirst ? 1 : 0;
7285 gameInfo.result = moveType;
7286 p = strchr(yy_text, '{');
7287 if (p == NULL) p = strchr(yy_text, '(');
7290 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
7292 q = strchr(p, *p == '{' ? '}' : ')');
7293 if (q != NULL) *q = NULLCHAR;
7296 gameInfo.resultDetails = StrSave(p);
7299 if (boardIndex >= forwardMostMove &&
7300 !(gameMode == IcsObserving && ics_gamenum == -1)) {
7301 backwardMostMove = blackPlaysFirst ? 1 : 0;
7304 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
7305 EP_UNKNOWN, fromY, fromX, toY, toX, promoChar,
7306 parseList[boardIndex]);
7307 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
7308 {int i; for(i=0; i<BOARD_SIZE; i++) castlingRights[boardIndex+1][i] = castlingRights[boardIndex][i];}
7309 /* currentMoveString is set as a side-effect of yylex */
7310 strcpy(moveList[boardIndex], currentMoveString);
7311 strcat(moveList[boardIndex], "\n");
7313 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex],
7314 castlingRights[boardIndex], &epStatus[boardIndex]);
7315 switch (MateTest(boards[boardIndex], PosFlags(boardIndex),
7316 EP_UNKNOWN, castlingRights[boardIndex]) ) {
7322 if(gameInfo.variant != VariantShogi)
7323 strcat(parseList[boardIndex - 1], "+");
7327 strcat(parseList[boardIndex - 1], "#");
7334 /* Apply a move to the given board */
7336 ApplyMove(fromX, fromY, toX, toY, promoChar, board, castling, ep)
7337 int fromX, fromY, toX, toY;
7343 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
7345 /* [HGM] compute & store e.p. status and castling rights for new position */
7346 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
7349 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
7353 if( board[toY][toX] != EmptySquare )
7356 if( board[fromY][fromX] == WhitePawn ) {
7357 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
7360 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
7361 gameInfo.variant != VariantBerolina || toX < fromX)
7362 *ep = toX | berolina;
7363 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
7364 gameInfo.variant != VariantBerolina || toX > fromX)
7368 if( board[fromY][fromX] == BlackPawn ) {
7369 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
7371 if( toY-fromY== -2) {
7372 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
7373 gameInfo.variant != VariantBerolina || toX < fromX)
7374 *ep = toX | berolina;
7375 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
7376 gameInfo.variant != VariantBerolina || toX > fromX)
7381 for(i=0; i<nrCastlingRights; i++) {
7382 if(castling[i] == fromX && castlingRank[i] == fromY ||
7383 castling[i] == toX && castlingRank[i] == toY
7384 ) castling[i] = -1; // revoke for moved or captured piece
7389 /* [HGM] In Shatranj and Courier all promotions are to Ferz */
7390 if((gameInfo.variant==VariantShatranj || gameInfo.variant==VariantCourier)
7391 && promoChar != 0) promoChar = PieceToChar(WhiteFerz);
7393 if (fromX == toX && fromY == toY) return;
7395 if (fromY == DROP_RANK) {
7397 piece = board[toY][toX] = (ChessSquare) fromX;
7399 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
7400 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
7401 if(gameInfo.variant == VariantKnightmate)
7402 king += (int) WhiteUnicorn - (int) WhiteKing;
7404 /* Code added by Tord: */
7405 /* FRC castling assumed when king captures friendly rook. */
7406 if (board[fromY][fromX] == WhiteKing &&
7407 board[toY][toX] == WhiteRook) {
7408 board[fromY][fromX] = EmptySquare;
7409 board[toY][toX] = EmptySquare;
7411 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
7413 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
7415 } else if (board[fromY][fromX] == BlackKing &&
7416 board[toY][toX] == BlackRook) {
7417 board[fromY][fromX] = EmptySquare;
7418 board[toY][toX] = EmptySquare;
7420 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
7422 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
7424 /* End of code added by Tord */
7426 } else if (board[fromY][fromX] == king
7427 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
7428 && toY == fromY && toX > fromX+1) {
7429 board[fromY][fromX] = EmptySquare;
7430 board[toY][toX] = king;
7431 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
7432 board[fromY][BOARD_RGHT-1] = EmptySquare;
7433 } else if (board[fromY][fromX] == king
7434 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
7435 && toY == fromY && toX < fromX-1) {
7436 board[fromY][fromX] = EmptySquare;
7437 board[toY][toX] = king;
7438 board[toY][toX+1] = board[fromY][BOARD_LEFT];
7439 board[fromY][BOARD_LEFT] = EmptySquare;
7440 } else if (board[fromY][fromX] == WhitePawn
7441 && toY == BOARD_HEIGHT-1
7442 && gameInfo.variant != VariantXiangqi
7444 /* white pawn promotion */
7445 board[toY][toX] = CharToPiece(ToUpper(promoChar));
7446 if (board[toY][toX] == EmptySquare) {
7447 board[toY][toX] = WhiteQueen;
7449 if(gameInfo.variant==VariantBughouse ||
7450 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
7451 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
7452 board[fromY][fromX] = EmptySquare;
7453 } else if ((fromY == BOARD_HEIGHT-4)
7455 && gameInfo.variant != VariantXiangqi
7456 && gameInfo.variant != VariantBerolina
7457 && (board[fromY][fromX] == WhitePawn)
7458 && (board[toY][toX] == EmptySquare)) {
7459 board[fromY][fromX] = EmptySquare;
7460 board[toY][toX] = WhitePawn;
7461 captured = board[toY - 1][toX];
7462 board[toY - 1][toX] = EmptySquare;
7463 } else if ((fromY == BOARD_HEIGHT-4)
7465 && gameInfo.variant == VariantBerolina
7466 && (board[fromY][fromX] == WhitePawn)
7467 && (board[toY][toX] == EmptySquare)) {
7468 board[fromY][fromX] = EmptySquare;
7469 board[toY][toX] = WhitePawn;
7470 if(oldEP & EP_BEROLIN_A) {
7471 captured = board[fromY][fromX-1];
7472 board[fromY][fromX-1] = EmptySquare;
7473 }else{ captured = board[fromY][fromX+1];
7474 board[fromY][fromX+1] = EmptySquare;
7476 } else if (board[fromY][fromX] == king
7477 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
7478 && toY == fromY && toX > fromX+1) {
7479 board[fromY][fromX] = EmptySquare;
7480 board[toY][toX] = king;
7481 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
7482 board[fromY][BOARD_RGHT-1] = EmptySquare;
7483 } else if (board[fromY][fromX] == king
7484 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
7485 && toY == fromY && toX < fromX-1) {
7486 board[fromY][fromX] = EmptySquare;
7487 board[toY][toX] = king;
7488 board[toY][toX+1] = board[fromY][BOARD_LEFT];
7489 board[fromY][BOARD_LEFT] = EmptySquare;
7490 } else if (fromY == 7 && fromX == 3
7491 && board[fromY][fromX] == BlackKing
7492 && toY == 7 && toX == 5) {
7493 board[fromY][fromX] = EmptySquare;
7494 board[toY][toX] = BlackKing;
7495 board[fromY][7] = EmptySquare;
7496 board[toY][4] = BlackRook;
7497 } else if (fromY == 7 && fromX == 3
7498 && board[fromY][fromX] == BlackKing
7499 && toY == 7 && toX == 1) {
7500 board[fromY][fromX] = EmptySquare;
7501 board[toY][toX] = BlackKing;
7502 board[fromY][0] = EmptySquare;
7503 board[toY][2] = BlackRook;
7504 } else if (board[fromY][fromX] == BlackPawn
7506 && gameInfo.variant != VariantXiangqi
7508 /* black pawn promotion */
7509 board[0][toX] = CharToPiece(ToLower(promoChar));
7510 if (board[0][toX] == EmptySquare) {
7511 board[0][toX] = BlackQueen;
7513 if(gameInfo.variant==VariantBughouse ||
7514 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
7515 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
7516 board[fromY][fromX] = EmptySquare;
7517 } else if ((fromY == 3)
7519 && gameInfo.variant != VariantXiangqi
7520 && gameInfo.variant != VariantBerolina
7521 && (board[fromY][fromX] == BlackPawn)
7522 && (board[toY][toX] == EmptySquare)) {
7523 board[fromY][fromX] = EmptySquare;
7524 board[toY][toX] = BlackPawn;
7525 captured = board[toY + 1][toX];
7526 board[toY + 1][toX] = EmptySquare;
7527 } else if ((fromY == 3)
7529 && gameInfo.variant == VariantBerolina
7530 && (board[fromY][fromX] == BlackPawn)
7531 && (board[toY][toX] == EmptySquare)) {
7532 board[fromY][fromX] = EmptySquare;
7533 board[toY][toX] = BlackPawn;
7534 if(oldEP & EP_BEROLIN_A) {
7535 captured = board[fromY][fromX-1];
7536 board[fromY][fromX-1] = EmptySquare;
7537 }else{ captured = board[fromY][fromX+1];
7538 board[fromY][fromX+1] = EmptySquare;
7541 board[toY][toX] = board[fromY][fromX];
7542 board[fromY][fromX] = EmptySquare;
7545 /* [HGM] now we promote for Shogi, if needed */
7546 if(gameInfo.variant == VariantShogi && promoChar == 'q')
7547 board[toY][toX] = (ChessSquare) (PROMOTED piece);
7550 if (gameInfo.holdingsWidth != 0) {
7552 /* !!A lot more code needs to be written to support holdings */
7553 /* [HGM] OK, so I have written it. Holdings are stored in the */
7554 /* penultimate board files, so they are automaticlly stored */
7555 /* in the game history. */
7556 if (fromY == DROP_RANK) {
7557 /* Delete from holdings, by decreasing count */
7558 /* and erasing image if necessary */
7560 if(p < (int) BlackPawn) { /* white drop */
7561 p -= (int)WhitePawn;
7562 p = PieceToNumber((ChessSquare)p);
7563 if(p >= gameInfo.holdingsSize) p = 0;
7564 if(--board[p][BOARD_WIDTH-2] <= 0)
7565 board[p][BOARD_WIDTH-1] = EmptySquare;
7566 if((int)board[p][BOARD_WIDTH-2] < 0)
7567 board[p][BOARD_WIDTH-2] = 0;
7568 } else { /* black drop */
7569 p -= (int)BlackPawn;
7570 p = PieceToNumber((ChessSquare)p);
7571 if(p >= gameInfo.holdingsSize) p = 0;
7572 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
7573 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
7574 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
7575 board[BOARD_HEIGHT-1-p][1] = 0;
7578 if (captured != EmptySquare && gameInfo.holdingsSize > 0
7579 && gameInfo.variant != VariantBughouse ) {
7580 /* [HGM] holdings: Add to holdings, if holdings exist */
7581 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
7582 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
7583 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
7586 if (p >= (int) BlackPawn) {
7587 p -= (int)BlackPawn;
7588 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
7589 /* in Shogi restore piece to its original first */
7590 captured = (ChessSquare) (DEMOTED captured);
7593 p = PieceToNumber((ChessSquare)p);
7594 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
7595 board[p][BOARD_WIDTH-2]++;
7596 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
7598 p -= (int)WhitePawn;
7599 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
7600 captured = (ChessSquare) (DEMOTED captured);
7603 p = PieceToNumber((ChessSquare)p);
7604 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
7605 board[BOARD_HEIGHT-1-p][1]++;
7606 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
7609 } else if (gameInfo.variant == VariantAtomic) {
7610 if (captured != EmptySquare) {
7612 for (y = toY-1; y <= toY+1; y++) {
7613 for (x = toX-1; x <= toX+1; x++) {
7614 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
7615 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
7616 board[y][x] = EmptySquare;
7620 board[toY][toX] = EmptySquare;
7623 if(gameInfo.variant == VariantShogi && promoChar != NULLCHAR && promoChar != '=') {
7624 /* [HGM] Shogi promotions */
7625 board[toY][toX] = (ChessSquare) (PROMOTED piece);
7628 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
7629 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
7630 // [HGM] superchess: take promotion piece out of holdings
7631 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
7632 if((int)piece < (int)BlackPawn) { // determine stm from piece color
7633 if(!--board[k][BOARD_WIDTH-2])
7634 board[k][BOARD_WIDTH-1] = EmptySquare;
7636 if(!--board[BOARD_HEIGHT-1-k][1])
7637 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
7643 /* Updates forwardMostMove */
7645 MakeMove(fromX, fromY, toX, toY, promoChar)
7646 int fromX, fromY, toX, toY;
7649 // forwardMostMove++; // [HGM] bare: moved downstream
7651 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
7652 int timeLeft; static int lastLoadFlag=0; int king, piece;
7653 piece = boards[forwardMostMove][fromY][fromX];
7654 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
7655 if(gameInfo.variant == VariantKnightmate)
7656 king += (int) WhiteUnicorn - (int) WhiteKing;
7657 if(forwardMostMove == 0) {
7659 fprintf(serverMoves, "%s;", second.tidy);
7660 fprintf(serverMoves, "%s;", first.tidy);
7661 if(!blackPlaysFirst)
7662 fprintf(serverMoves, "%s;", second.tidy);
7663 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
7664 lastLoadFlag = loadFlag;
7666 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
7667 // print castling suffix
7668 if( toY == fromY && piece == king ) {
7670 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
7672 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
7675 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
7676 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
7677 boards[forwardMostMove][toY][toX] == EmptySquare
7679 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
7681 if(promoChar != NULLCHAR)
7682 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
7684 fprintf(serverMoves, "/%d/%d",
7685 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
7686 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
7687 else timeLeft = blackTimeRemaining/1000;
7688 fprintf(serverMoves, "/%d", timeLeft);
7690 fflush(serverMoves);
7693 if (forwardMostMove+1 >= MAX_MOVES) {
7694 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
7698 if (commentList[forwardMostMove+1] != NULL) {
7699 free(commentList[forwardMostMove+1]);
7700 commentList[forwardMostMove+1] = NULL;
7702 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7703 {int i; for(i=0; i<BOARD_SIZE; i++) castlingRights[forwardMostMove+1][i] = castlingRights[forwardMostMove][i];}
7704 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1],
7705 castlingRights[forwardMostMove+1], &epStatus[forwardMostMove+1]);
7706 forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
7707 SwitchClocks(); // uses forwardMostMove, so must be done after incrementing it !
7708 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
7709 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
7710 gameInfo.result = GameUnfinished;
7711 if (gameInfo.resultDetails != NULL) {
7712 free(gameInfo.resultDetails);
7713 gameInfo.resultDetails = NULL;
7715 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
7716 moveList[forwardMostMove - 1]);
7717 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
7718 PosFlags(forwardMostMove - 1), EP_UNKNOWN,
7719 fromY, fromX, toY, toX, promoChar,
7720 parseList[forwardMostMove - 1]);
7721 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7722 epStatus[forwardMostMove], /* [HGM] use true e.p. */
7723 castlingRights[forwardMostMove]) ) {
7729 if(gameInfo.variant != VariantShogi)
7730 strcat(parseList[forwardMostMove - 1], "+");
7734 strcat(parseList[forwardMostMove - 1], "#");
7737 if (appData.debugMode) {
7738 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
7743 /* Updates currentMove if not pausing */
7745 ShowMove(fromX, fromY, toX, toY)
7747 int instant = (gameMode == PlayFromGameFile) ?
7748 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
7749 if(appData.noGUI) return;
7750 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
7752 if (forwardMostMove == currentMove + 1) {
7753 AnimateMove(boards[forwardMostMove - 1],
7754 fromX, fromY, toX, toY);
7756 if (appData.highlightLastMove) {
7757 SetHighlights(fromX, fromY, toX, toY);
7760 currentMove = forwardMostMove;
7763 if (instant) return;
7765 DisplayMove(currentMove - 1);
7766 DrawPosition(FALSE, boards[currentMove]);
7767 DisplayBothClocks();
7768 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
7771 void SendEgtPath(ChessProgramState *cps)
7772 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
7773 char buf[MSG_SIZ], name[MSG_SIZ], *p;
7775 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
7778 char c, *q = name+1, *r, *s;
7780 name[0] = ','; // extract next format name from feature and copy with prefixed ','
7781 while(*p && *p != ',') *q++ = *p++;
7783 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
7784 strcmp(name, ",nalimov:") == 0 ) {
7785 // take nalimov path from the menu-changeable option first, if it is defined
7786 sprintf(buf, "egtpath nalimov %s\n", appData.defaultPathEGTB);
7787 SendToProgram(buf,cps); // send egtbpath command for nalimov
7789 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
7790 (s = StrStr(appData.egtFormats, name)) != NULL) {
7791 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
7792 s = r = StrStr(s, ":") + 1; // beginning of path info
7793 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
7794 c = *r; *r = 0; // temporarily null-terminate path info
7795 *--q = 0; // strip of trailig ':' from name
7796 sprintf(buf, "egtpath %s %s\n", name+1, s);
7798 SendToProgram(buf,cps); // send egtbpath command for this format
7800 if(*p == ',') p++; // read away comma to position for next format name
7805 InitChessProgram(cps, setup)
7806 ChessProgramState *cps;
7807 int setup; /* [HGM] needed to setup FRC opening position */
7809 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
7810 if (appData.noChessProgram) return;
7811 hintRequested = FALSE;
7812 bookRequested = FALSE;
7814 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
7815 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
7816 if(cps->memSize) { /* [HGM] memory */
7817 sprintf(buf, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
7818 SendToProgram(buf, cps);
7820 SendEgtPath(cps); /* [HGM] EGT */
7821 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
7822 sprintf(buf, "cores %d\n", appData.smpCores);
7823 SendToProgram(buf, cps);
7826 SendToProgram(cps->initString, cps);
7827 if (gameInfo.variant != VariantNormal &&
7828 gameInfo.variant != VariantLoadable
7829 /* [HGM] also send variant if board size non-standard */
7830 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
7832 char *v = VariantName(gameInfo.variant);
7833 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
7834 /* [HGM] in protocol 1 we have to assume all variants valid */
7835 sprintf(buf, _("Variant %s not supported by %s"), v, cps->tidy);
7836 DisplayFatalError(buf, 0, 1);
7840 /* [HGM] make prefix for non-standard board size. Awkward testing... */
7841 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
7842 if( gameInfo.variant == VariantXiangqi )
7843 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
7844 if( gameInfo.variant == VariantShogi )
7845 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
7846 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
7847 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
7848 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
7849 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
7850 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
7851 if( gameInfo.variant == VariantCourier )
7852 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
7853 if( gameInfo.variant == VariantSuper )
7854 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
7855 if( gameInfo.variant == VariantGreat )
7856 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
7859 sprintf(b, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
7860 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
7861 /* [HGM] varsize: try first if this defiant size variant is specifically known */
7862 if(StrStr(cps->variants, b) == NULL) {
7863 // specific sized variant not known, check if general sizing allowed
7864 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
7865 if(StrStr(cps->variants, "boardsize") == NULL) {
7866 sprintf(buf, "Board size %dx%d+%d not supported by %s",
7867 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
7868 DisplayFatalError(buf, 0, 1);
7871 /* [HGM] here we really should compare with the maximum supported board size */
7874 } else sprintf(b, "%s", VariantName(gameInfo.variant));
7875 sprintf(buf, "variant %s\n", b);
7876 SendToProgram(buf, cps);
7878 currentlyInitializedVariant = gameInfo.variant;
7880 /* [HGM] send opening position in FRC to first engine */
7882 SendToProgram("force\n", cps);
7884 /* engine is now in force mode! Set flag to wake it up after first move. */
7885 setboardSpoiledMachineBlack = 1;
7889 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
7890 SendToProgram(buf, cps);
7892 cps->maybeThinking = FALSE;
7893 cps->offeredDraw = 0;
7894 if (!appData.icsActive) {
7895 SendTimeControl(cps, movesPerSession, timeControl,
7896 timeIncrement, appData.searchDepth,
7899 if (appData.showThinking
7900 // [HGM] thinking: four options require thinking output to be sent
7901 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7903 SendToProgram("post\n", cps);
7905 SendToProgram("hard\n", cps);
7906 if (!appData.ponderNextMove) {
7907 /* Warning: "easy" is a toggle in GNU Chess, so don't send
7908 it without being sure what state we are in first. "hard"
7909 is not a toggle, so that one is OK.
7911 SendToProgram("easy\n", cps);
7914 sprintf(buf, "ping %d\n", ++cps->lastPing);
7915 SendToProgram(buf, cps);
7917 cps->initDone = TRUE;
7922 StartChessProgram(cps)
7923 ChessProgramState *cps;
7928 if (appData.noChessProgram) return;
7929 cps->initDone = FALSE;
7931 if (strcmp(cps->host, "localhost") == 0) {
7932 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
7933 } else if (*appData.remoteShell == NULLCHAR) {
7934 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
7936 if (*appData.remoteUser == NULLCHAR) {
7937 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
7940 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
7941 cps->host, appData.remoteUser, cps->program);
7943 err = StartChildProcess(buf, "", &cps->pr);
7947 sprintf(buf, _("Startup failure on '%s'"), cps->program);
7948 DisplayFatalError(buf, err, 1);
7954 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
7955 if (cps->protocolVersion > 1) {
7956 sprintf(buf, "xboard\nprotover %d\n", cps->protocolVersion);
7957 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
7958 cps->comboCnt = 0; // and values of combo boxes
7959 SendToProgram(buf, cps);
7961 SendToProgram("xboard\n", cps);
7967 TwoMachinesEventIfReady P((void))
7969 if (first.lastPing != first.lastPong) {
7970 DisplayMessage("", _("Waiting for first chess program"));
7971 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
7974 if (second.lastPing != second.lastPong) {
7975 DisplayMessage("", _("Waiting for second chess program"));
7976 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
7984 NextMatchGame P((void))
7986 int index; /* [HGM] autoinc: step load index during match */
7988 if (*appData.loadGameFile != NULLCHAR) {
7989 index = appData.loadGameIndex;
7990 if(index < 0) { // [HGM] autoinc
7991 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
7992 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
7994 LoadGameFromFile(appData.loadGameFile,
7996 appData.loadGameFile, FALSE);
7997 } else if (*appData.loadPositionFile != NULLCHAR) {
7998 index = appData.loadPositionIndex;
7999 if(index < 0) { // [HGM] autoinc
8000 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8001 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8003 LoadPositionFromFile(appData.loadPositionFile,
8005 appData.loadPositionFile);
8007 TwoMachinesEventIfReady();
8010 void UserAdjudicationEvent( int result )
8012 ChessMove gameResult = GameIsDrawn;
8015 gameResult = WhiteWins;
8017 else if( result < 0 ) {
8018 gameResult = BlackWins;
8021 if( gameMode == TwoMachinesPlay ) {
8022 GameEnds( gameResult, "User adjudication", GE_XBOARD );
8027 // [HGM] save: calculate checksum of game to make games easily identifiable
8028 int StringCheckSum(char *s)
8031 if(s==NULL) return 0;
8032 while(*s) i = i*259 + *s++;
8039 for(i=backwardMostMove; i<forwardMostMove; i++) {
8040 sum += pvInfoList[i].depth;
8041 sum += StringCheckSum(parseList[i]);
8042 sum += StringCheckSum(commentList[i]);
8045 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
8046 return sum + StringCheckSum(commentList[i]);
8047 } // end of save patch
8050 GameEnds(result, resultDetails, whosays)
8052 char *resultDetails;
8055 GameMode nextGameMode;
8059 if(endingGame) return; /* [HGM] crash: forbid recursion */
8062 if (appData.debugMode) {
8063 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
8064 result, resultDetails ? resultDetails : "(null)", whosays);
8067 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
8068 /* If we are playing on ICS, the server decides when the
8069 game is over, but the engine can offer to draw, claim
8073 if (appData.zippyPlay && first.initDone) {
8074 if (result == GameIsDrawn) {
8075 /* In case draw still needs to be claimed */
8076 SendToICS(ics_prefix);
8077 SendToICS("draw\n");
8078 } else if (StrCaseStr(resultDetails, "resign")) {
8079 SendToICS(ics_prefix);
8080 SendToICS("resign\n");
8084 endingGame = 0; /* [HGM] crash */
8088 /* If we're loading the game from a file, stop */
8089 if (whosays == GE_FILE) {
8090 (void) StopLoadGameTimer();
8094 /* Cancel draw offers */
8095 first.offeredDraw = second.offeredDraw = 0;
8097 /* If this is an ICS game, only ICS can really say it's done;
8098 if not, anyone can. */
8099 isIcsGame = (gameMode == IcsPlayingWhite ||
8100 gameMode == IcsPlayingBlack ||
8101 gameMode == IcsObserving ||
8102 gameMode == IcsExamining);
8104 if (!isIcsGame || whosays == GE_ICS) {
8105 /* OK -- not an ICS game, or ICS said it was done */
8107 if (!isIcsGame && !appData.noChessProgram)
8108 SetUserThinkingEnables();
8110 /* [HGM] if a machine claims the game end we verify this claim */
8111 if(gameMode == TwoMachinesPlay && appData.testClaims) {
8112 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
8114 ChessMove trueResult = (ChessMove) -1;
8116 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
8117 first.twoMachinesColor[0] :
8118 second.twoMachinesColor[0] ;
8120 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
8121 if(epStatus[forwardMostMove] == EP_CHECKMATE) {
8122 /* [HGM] verify: engine mate claims accepted if they were flagged */
8123 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
8125 if(epStatus[forwardMostMove] == EP_WINS) { // added code for games where being mated is a win
8126 /* [HGM] verify: engine mate claims accepted if they were flagged */
8127 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8129 if(epStatus[forwardMostMove] == EP_STALEMATE) { // only used to indicate draws now
8130 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
8133 // now verify win claims, but not in drop games, as we don't understand those yet
8134 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
8135 || gameInfo.variant == VariantGreat) &&
8136 (result == WhiteWins && claimer == 'w' ||
8137 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
8138 if (appData.debugMode) {
8139 fprintf(debugFP, "result=%d sp=%d move=%d\n",
8140 result, epStatus[forwardMostMove], forwardMostMove);
8142 if(result != trueResult) {
8143 sprintf(buf, "False win claim: '%s'", resultDetails);
8144 result = claimer == 'w' ? BlackWins : WhiteWins;
8145 resultDetails = buf;
8148 if( result == GameIsDrawn && epStatus[forwardMostMove] > EP_DRAWS
8149 && (forwardMostMove <= backwardMostMove ||
8150 epStatus[forwardMostMove-1] > EP_DRAWS ||
8151 (claimer=='b')==(forwardMostMove&1))
8153 /* [HGM] verify: draws that were not flagged are false claims */
8154 sprintf(buf, "False draw claim: '%s'", resultDetails);
8155 result = claimer == 'w' ? BlackWins : WhiteWins;
8156 resultDetails = buf;
8158 /* (Claiming a loss is accepted no questions asked!) */
8160 /* [HGM] bare: don't allow bare King to win */
8161 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8162 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
8163 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
8164 && result != GameIsDrawn)
8165 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
8166 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
8167 int p = (int)boards[forwardMostMove][i][j] - color;
8168 if(p >= 0 && p <= (int)WhiteKing) k++;
8170 if (appData.debugMode) {
8171 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
8172 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
8175 result = GameIsDrawn;
8176 sprintf(buf, "%s but bare king", resultDetails);
8177 resultDetails = buf;
8183 if(serverMoves != NULL && !loadFlag) { char c = '=';
8184 if(result==WhiteWins) c = '+';
8185 if(result==BlackWins) c = '-';
8186 if(resultDetails != NULL)
8187 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
8189 if (resultDetails != NULL) {
8190 gameInfo.result = result;
8191 gameInfo.resultDetails = StrSave(resultDetails);
8193 /* display last move only if game was not loaded from file */
8194 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
8195 DisplayMove(currentMove - 1);
8197 if (forwardMostMove != 0) {
8198 if (gameMode != PlayFromGameFile && gameMode != EditGame
8199 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
8201 if (*appData.saveGameFile != NULLCHAR) {
8202 SaveGameToFile(appData.saveGameFile, TRUE);
8203 } else if (appData.autoSaveGames) {
8206 if (*appData.savePositionFile != NULLCHAR) {
8207 SavePositionToFile(appData.savePositionFile);
8212 /* Tell program how game ended in case it is learning */
8213 /* [HGM] Moved this to after saving the PGN, just in case */
8214 /* engine died and we got here through time loss. In that */
8215 /* case we will get a fatal error writing the pipe, which */
8216 /* would otherwise lose us the PGN. */
8217 /* [HGM] crash: not needed anymore, but doesn't hurt; */
8218 /* output during GameEnds should never be fatal anymore */
8219 if (gameMode == MachinePlaysWhite ||
8220 gameMode == MachinePlaysBlack ||
8221 gameMode == TwoMachinesPlay ||
8222 gameMode == IcsPlayingWhite ||
8223 gameMode == IcsPlayingBlack ||
8224 gameMode == BeginningOfGame) {
8226 sprintf(buf, "result %s {%s}\n", PGNResult(result),
8228 if (first.pr != NoProc) {
8229 SendToProgram(buf, &first);
8231 if (second.pr != NoProc &&
8232 gameMode == TwoMachinesPlay) {
8233 SendToProgram(buf, &second);
8238 if (appData.icsActive) {
8239 if (appData.quietPlay &&
8240 (gameMode == IcsPlayingWhite ||
8241 gameMode == IcsPlayingBlack)) {
8242 SendToICS(ics_prefix);
8243 SendToICS("set shout 1\n");
8245 nextGameMode = IcsIdle;
8246 ics_user_moved = FALSE;
8247 /* clean up premove. It's ugly when the game has ended and the
8248 * premove highlights are still on the board.
8252 ClearPremoveHighlights();
8253 DrawPosition(FALSE, boards[currentMove]);
8255 if (whosays == GE_ICS) {
8258 if (gameMode == IcsPlayingWhite)
8260 else if(gameMode == IcsPlayingBlack)
8264 if (gameMode == IcsPlayingBlack)
8266 else if(gameMode == IcsPlayingWhite)
8273 PlayIcsUnfinishedSound();
8276 } else if (gameMode == EditGame ||
8277 gameMode == PlayFromGameFile ||
8278 gameMode == AnalyzeMode ||
8279 gameMode == AnalyzeFile) {
8280 nextGameMode = gameMode;
8282 nextGameMode = EndOfGame;
8287 nextGameMode = gameMode;
8290 if (appData.noChessProgram) {
8291 gameMode = nextGameMode;
8293 endingGame = 0; /* [HGM] crash */
8298 /* Put first chess program into idle state */
8299 if (first.pr != NoProc &&
8300 (gameMode == MachinePlaysWhite ||
8301 gameMode == MachinePlaysBlack ||
8302 gameMode == TwoMachinesPlay ||
8303 gameMode == IcsPlayingWhite ||
8304 gameMode == IcsPlayingBlack ||
8305 gameMode == BeginningOfGame)) {
8306 SendToProgram("force\n", &first);
8307 if (first.usePing) {
8309 sprintf(buf, "ping %d\n", ++first.lastPing);
8310 SendToProgram(buf, &first);
8313 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
8314 /* Kill off first chess program */
8315 if (first.isr != NULL)
8316 RemoveInputSource(first.isr);
8319 if (first.pr != NoProc) {
8321 DoSleep( appData.delayBeforeQuit );
8322 SendToProgram("quit\n", &first);
8323 DoSleep( appData.delayAfterQuit );
8324 DestroyChildProcess(first.pr, first.useSigterm);
8329 /* Put second chess program into idle state */
8330 if (second.pr != NoProc &&
8331 gameMode == TwoMachinesPlay) {
8332 SendToProgram("force\n", &second);
8333 if (second.usePing) {
8335 sprintf(buf, "ping %d\n", ++second.lastPing);
8336 SendToProgram(buf, &second);
8339 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
8340 /* Kill off second chess program */
8341 if (second.isr != NULL)
8342 RemoveInputSource(second.isr);
8345 if (second.pr != NoProc) {
8346 DoSleep( appData.delayBeforeQuit );
8347 SendToProgram("quit\n", &second);
8348 DoSleep( appData.delayAfterQuit );
8349 DestroyChildProcess(second.pr, second.useSigterm);
8354 if (matchMode && gameMode == TwoMachinesPlay) {
8357 if (first.twoMachinesColor[0] == 'w') {
8364 if (first.twoMachinesColor[0] == 'b') {
8373 if (matchGame < appData.matchGames) {
8375 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
8376 tmp = first.twoMachinesColor;
8377 first.twoMachinesColor = second.twoMachinesColor;
8378 second.twoMachinesColor = tmp;
8380 gameMode = nextGameMode;
8382 if(appData.matchPause>10000 || appData.matchPause<10)
8383 appData.matchPause = 10000; /* [HGM] make pause adjustable */
8384 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
8385 endingGame = 0; /* [HGM] crash */
8389 gameMode = nextGameMode;
8390 sprintf(buf, _("Match %s vs. %s: final score %d-%d-%d"),
8391 first.tidy, second.tidy,
8392 first.matchWins, second.matchWins,
8393 appData.matchGames - (first.matchWins + second.matchWins));
8394 DisplayFatalError(buf, 0, 0);
8397 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
8398 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
8400 gameMode = nextGameMode;
8402 endingGame = 0; /* [HGM] crash */
8405 /* Assumes program was just initialized (initString sent).
8406 Leaves program in force mode. */
8408 FeedMovesToProgram(cps, upto)
8409 ChessProgramState *cps;
8414 if (appData.debugMode)
8415 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
8416 startedFromSetupPosition ? "position and " : "",
8417 backwardMostMove, upto, cps->which);
8418 if(currentlyInitializedVariant != gameInfo.variant) { char buf[MSG_SIZ];
8419 // [HGM] variantswitch: make engine aware of new variant
8420 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
8421 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
8422 sprintf(buf, "variant %s\n", VariantName(gameInfo.variant));
8423 SendToProgram(buf, cps);
8424 currentlyInitializedVariant = gameInfo.variant;
8426 SendToProgram("force\n", cps);
8427 if (startedFromSetupPosition) {
8428 SendBoard(cps, backwardMostMove);
8429 if (appData.debugMode) {
8430 fprintf(debugFP, "feedMoves\n");
8433 for (i = backwardMostMove; i < upto; i++) {
8434 SendMoveToProgram(i, cps);
8440 ResurrectChessProgram()
8442 /* The chess program may have exited.
8443 If so, restart it and feed it all the moves made so far. */
8445 if (appData.noChessProgram || first.pr != NoProc) return;
8447 StartChessProgram(&first);
8448 InitChessProgram(&first, FALSE);
8449 FeedMovesToProgram(&first, currentMove);
8451 if (!first.sendTime) {
8452 /* can't tell gnuchess what its clock should read,
8453 so we bow to its notion. */
8455 timeRemaining[0][currentMove] = whiteTimeRemaining;
8456 timeRemaining[1][currentMove] = blackTimeRemaining;
8459 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
8460 appData.icsEngineAnalyze) && first.analysisSupport) {
8461 SendToProgram("analyze\n", &first);
8462 first.analyzing = TRUE;
8475 if (appData.debugMode) {
8476 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
8477 redraw, init, gameMode);
8479 pausing = pauseExamInvalid = FALSE;
8480 startedFromSetupPosition = blackPlaysFirst = FALSE;
8482 whiteFlag = blackFlag = FALSE;
8483 userOfferedDraw = FALSE;
8484 hintRequested = bookRequested = FALSE;
8485 first.maybeThinking = FALSE;
8486 second.maybeThinking = FALSE;
8487 first.bookSuspend = FALSE; // [HGM] book
8488 second.bookSuspend = FALSE;
8489 thinkOutput[0] = NULLCHAR;
8490 lastHint[0] = NULLCHAR;
8491 ClearGameInfo(&gameInfo);
8492 gameInfo.variant = StringToVariant(appData.variant);
8493 ics_user_moved = ics_clock_paused = FALSE;
8494 ics_getting_history = H_FALSE;
8496 white_holding[0] = black_holding[0] = NULLCHAR;
8497 ClearProgramStats();
8498 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
8502 flipView = appData.flipView;
8503 ClearPremoveHighlights();
8505 alarmSounded = FALSE;
8507 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
8508 if(appData.serverMovesName != NULL) {
8509 /* [HGM] prepare to make moves file for broadcasting */
8510 clock_t t = clock();
8511 if(serverMoves != NULL) fclose(serverMoves);
8512 serverMoves = fopen(appData.serverMovesName, "r");
8513 if(serverMoves != NULL) {
8514 fclose(serverMoves);
8515 /* delay 15 sec before overwriting, so all clients can see end */
8516 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
8518 serverMoves = fopen(appData.serverMovesName, "w");
8522 gameMode = BeginningOfGame;
8524 if(appData.icsActive) gameInfo.variant = VariantNormal;
8525 currentMove = forwardMostMove = backwardMostMove = 0;
8526 InitPosition(redraw);
8527 for (i = 0; i < MAX_MOVES; i++) {
8528 if (commentList[i] != NULL) {
8529 free(commentList[i]);
8530 commentList[i] = NULL;
8534 timeRemaining[0][0] = whiteTimeRemaining;
8535 timeRemaining[1][0] = blackTimeRemaining;
8536 if (first.pr == NULL) {
8537 StartChessProgram(&first);
8540 InitChessProgram(&first, startedFromSetupPosition);
8543 DisplayMessage("", "");
8544 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
8545 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
8552 if (!AutoPlayOneMove())
8554 if (matchMode || appData.timeDelay == 0)
8556 if (appData.timeDelay < 0 || gameMode == AnalyzeFile)
8558 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
8567 int fromX, fromY, toX, toY;
8569 if (appData.debugMode) {
8570 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
8573 if (gameMode != PlayFromGameFile)
8576 if (currentMove >= forwardMostMove) {
8577 gameMode = EditGame;
8580 /* [AS] Clear current move marker at the end of a game */
8581 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
8586 toX = moveList[currentMove][2] - AAA;
8587 toY = moveList[currentMove][3] - ONE;
8589 if (moveList[currentMove][1] == '@') {
8590 if (appData.highlightLastMove) {
8591 SetHighlights(-1, -1, toX, toY);
8594 fromX = moveList[currentMove][0] - AAA;
8595 fromY = moveList[currentMove][1] - ONE;
8597 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
8599 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
8601 if (appData.highlightLastMove) {
8602 SetHighlights(fromX, fromY, toX, toY);
8605 DisplayMove(currentMove);
8606 SendMoveToProgram(currentMove++, &first);
8607 DisplayBothClocks();
8608 DrawPosition(FALSE, boards[currentMove]);
8609 // [HGM] PV info: always display, routine tests if empty
8610 DisplayComment(currentMove - 1, commentList[currentMove]);
8616 LoadGameOneMove(readAhead)
8617 ChessMove readAhead;
8619 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
8620 char promoChar = NULLCHAR;
8625 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
8626 gameMode != AnalyzeMode && gameMode != Training) {
8631 yyboardindex = forwardMostMove;
8632 if (readAhead != (ChessMove)0) {
8633 moveType = readAhead;
8635 if (gameFileFP == NULL)
8637 moveType = (ChessMove) yylex();
8643 if (appData.debugMode)
8644 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
8646 if (*p == '{' || *p == '[' || *p == '(') {
8647 p[strlen(p) - 1] = NULLCHAR;
8651 /* append the comment but don't display it */
8652 while (*p == '\n') p++;
8653 AppendComment(currentMove, p);
8656 case WhiteCapturesEnPassant:
8657 case BlackCapturesEnPassant:
8658 case WhitePromotionChancellor:
8659 case BlackPromotionChancellor:
8660 case WhitePromotionArchbishop:
8661 case BlackPromotionArchbishop:
8662 case WhitePromotionCentaur:
8663 case BlackPromotionCentaur:
8664 case WhitePromotionQueen:
8665 case BlackPromotionQueen:
8666 case WhitePromotionRook:
8667 case BlackPromotionRook:
8668 case WhitePromotionBishop:
8669 case BlackPromotionBishop:
8670 case WhitePromotionKnight:
8671 case BlackPromotionKnight:
8672 case WhitePromotionKing:
8673 case BlackPromotionKing:
8675 case WhiteKingSideCastle:
8676 case WhiteQueenSideCastle:
8677 case BlackKingSideCastle:
8678 case BlackQueenSideCastle:
8679 case WhiteKingSideCastleWild:
8680 case WhiteQueenSideCastleWild:
8681 case BlackKingSideCastleWild:
8682 case BlackQueenSideCastleWild:
8684 case WhiteHSideCastleFR:
8685 case WhiteASideCastleFR:
8686 case BlackHSideCastleFR:
8687 case BlackASideCastleFR:
8689 if (appData.debugMode)
8690 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
8691 fromX = currentMoveString[0] - AAA;
8692 fromY = currentMoveString[1] - ONE;
8693 toX = currentMoveString[2] - AAA;
8694 toY = currentMoveString[3] - ONE;
8695 promoChar = currentMoveString[4];
8700 if (appData.debugMode)
8701 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
8702 fromX = moveType == WhiteDrop ?
8703 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8704 (int) CharToPiece(ToLower(currentMoveString[0]));
8706 toX = currentMoveString[2] - AAA;
8707 toY = currentMoveString[3] - ONE;
8713 case GameUnfinished:
8714 if (appData.debugMode)
8715 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
8716 p = strchr(yy_text, '{');
8717 if (p == NULL) p = strchr(yy_text, '(');
8720 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8722 q = strchr(p, *p == '{' ? '}' : ')');
8723 if (q != NULL) *q = NULLCHAR;
8726 GameEnds(moveType, p, GE_FILE);
8728 if (cmailMsgLoaded) {
8730 flipView = WhiteOnMove(currentMove);
8731 if (moveType == GameUnfinished) flipView = !flipView;
8732 if (appData.debugMode)
8733 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
8737 case (ChessMove) 0: /* end of file */
8738 if (appData.debugMode)
8739 fprintf(debugFP, "Parser hit end of file\n");
8740 switch (MateTest(boards[currentMove], PosFlags(currentMove),
8741 EP_UNKNOWN, castlingRights[currentMove]) ) {
8747 if (WhiteOnMove(currentMove)) {
8748 GameEnds(BlackWins, "Black mates", GE_FILE);
8750 GameEnds(WhiteWins, "White mates", GE_FILE);
8754 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
8761 if (lastLoadGameStart == GNUChessGame) {
8762 /* GNUChessGames have numbers, but they aren't move numbers */
8763 if (appData.debugMode)
8764 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
8765 yy_text, (int) moveType);
8766 return LoadGameOneMove((ChessMove)0); /* tail recursion */
8768 /* else fall thru */
8773 /* Reached start of next game in file */
8774 if (appData.debugMode)
8775 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
8776 switch (MateTest(boards[currentMove], PosFlags(currentMove),
8777 EP_UNKNOWN, castlingRights[currentMove]) ) {
8783 if (WhiteOnMove(currentMove)) {
8784 GameEnds(BlackWins, "Black mates", GE_FILE);
8786 GameEnds(WhiteWins, "White mates", GE_FILE);
8790 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
8796 case PositionDiagram: /* should not happen; ignore */
8797 case ElapsedTime: /* ignore */
8798 case NAG: /* ignore */
8799 if (appData.debugMode)
8800 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
8801 yy_text, (int) moveType);
8802 return LoadGameOneMove((ChessMove)0); /* tail recursion */
8805 if (appData.testLegality) {
8806 if (appData.debugMode)
8807 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
8808 sprintf(move, _("Illegal move: %d.%s%s"),
8809 (forwardMostMove / 2) + 1,
8810 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
8811 DisplayError(move, 0);
8814 if (appData.debugMode)
8815 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
8816 yy_text, currentMoveString);
8817 fromX = currentMoveString[0] - AAA;
8818 fromY = currentMoveString[1] - ONE;
8819 toX = currentMoveString[2] - AAA;
8820 toY = currentMoveString[3] - ONE;
8821 promoChar = currentMoveString[4];
8826 if (appData.debugMode)
8827 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
8828 sprintf(move, _("Ambiguous move: %d.%s%s"),
8829 (forwardMostMove / 2) + 1,
8830 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
8831 DisplayError(move, 0);
8836 case ImpossibleMove:
8837 if (appData.debugMode)
8838 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
8839 sprintf(move, _("Illegal move: %d.%s%s"),
8840 (forwardMostMove / 2) + 1,
8841 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
8842 DisplayError(move, 0);
8848 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
8849 DrawPosition(FALSE, boards[currentMove]);
8850 DisplayBothClocks();
8851 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
8852 DisplayComment(currentMove - 1, commentList[currentMove]);
8854 (void) StopLoadGameTimer();
8856 cmailOldMove = forwardMostMove;
8859 /* currentMoveString is set as a side-effect of yylex */
8860 strcat(currentMoveString, "\n");
8861 strcpy(moveList[forwardMostMove], currentMoveString);
8863 thinkOutput[0] = NULLCHAR;
8864 MakeMove(fromX, fromY, toX, toY, promoChar);
8865 currentMove = forwardMostMove;
8870 /* Load the nth game from the given file */
8872 LoadGameFromFile(filename, n, title, useList)
8876 /*Boolean*/ int useList;
8881 if (strcmp(filename, "-") == 0) {
8885 f = fopen(filename, "rb");
8887 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
8888 DisplayError(buf, errno);
8892 if (fseek(f, 0, 0) == -1) {
8893 /* f is not seekable; probably a pipe */
8896 if (useList && n == 0) {
8897 int error = GameListBuild(f);
8899 DisplayError(_("Cannot build game list"), error);
8900 } else if (!ListEmpty(&gameList) &&
8901 ((ListGame *) gameList.tailPred)->number > 1) {
8902 GameListPopUp(f, title);
8909 return LoadGame(f, n, title, FALSE);
8914 MakeRegisteredMove()
8916 int fromX, fromY, toX, toY;
8918 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
8919 switch (cmailMoveType[lastLoadGameNumber - 1]) {
8922 if (appData.debugMode)
8923 fprintf(debugFP, "Restoring %s for game %d\n",
8924 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
8926 thinkOutput[0] = NULLCHAR;
8927 strcpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1]);
8928 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
8929 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
8930 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
8931 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
8932 promoChar = cmailMove[lastLoadGameNumber - 1][4];
8933 MakeMove(fromX, fromY, toX, toY, promoChar);
8934 ShowMove(fromX, fromY, toX, toY);
8936 switch (MateTest(boards[currentMove], PosFlags(currentMove),
8937 EP_UNKNOWN, castlingRights[currentMove]) ) {
8944 if (WhiteOnMove(currentMove)) {
8945 GameEnds(BlackWins, "Black mates", GE_PLAYER);
8947 GameEnds(WhiteWins, "White mates", GE_PLAYER);
8952 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
8959 if (WhiteOnMove(currentMove)) {
8960 GameEnds(BlackWins, "White resigns", GE_PLAYER);
8962 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
8967 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
8978 /* Wrapper around LoadGame for use when a Cmail message is loaded */
8980 CmailLoadGame(f, gameNumber, title, useList)
8988 if (gameNumber > nCmailGames) {
8989 DisplayError(_("No more games in this message"), 0);
8992 if (f == lastLoadGameFP) {
8993 int offset = gameNumber - lastLoadGameNumber;
8995 cmailMsg[0] = NULLCHAR;
8996 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
8997 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
8998 nCmailMovesRegistered--;
9000 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
9001 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
9002 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
9005 if (! RegisterMove()) return FALSE;
9009 retVal = LoadGame(f, gameNumber, title, useList);
9011 /* Make move registered during previous look at this game, if any */
9012 MakeRegisteredMove();
9014 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
9015 commentList[currentMove]
9016 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
9017 DisplayComment(currentMove - 1, commentList[currentMove]);
9023 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
9028 int gameNumber = lastLoadGameNumber + offset;
9029 if (lastLoadGameFP == NULL) {
9030 DisplayError(_("No game has been loaded yet"), 0);
9033 if (gameNumber <= 0) {
9034 DisplayError(_("Can't back up any further"), 0);
9037 if (cmailMsgLoaded) {
9038 return CmailLoadGame(lastLoadGameFP, gameNumber,
9039 lastLoadGameTitle, lastLoadGameUseList);
9041 return LoadGame(lastLoadGameFP, gameNumber,
9042 lastLoadGameTitle, lastLoadGameUseList);
9048 /* Load the nth game from open file f */
9050 LoadGame(f, gameNumber, title, useList)
9058 int gn = gameNumber;
9059 ListGame *lg = NULL;
9062 GameMode oldGameMode;
9063 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
9065 if (appData.debugMode)
9066 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
9068 if (gameMode == Training )
9069 SetTrainingModeOff();
9071 oldGameMode = gameMode;
9072 if (gameMode != BeginningOfGame) {
9077 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
9078 fclose(lastLoadGameFP);
9082 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
9085 fseek(f, lg->offset, 0);
9086 GameListHighlight(gameNumber);
9090 DisplayError(_("Game number out of range"), 0);
9095 if (fseek(f, 0, 0) == -1) {
9096 if (f == lastLoadGameFP ?
9097 gameNumber == lastLoadGameNumber + 1 :
9101 DisplayError(_("Can't seek on game file"), 0);
9107 lastLoadGameNumber = gameNumber;
9108 strcpy(lastLoadGameTitle, title);
9109 lastLoadGameUseList = useList;
9113 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
9114 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
9115 lg->gameInfo.black);
9117 } else if (*title != NULLCHAR) {
9118 if (gameNumber > 1) {
9119 sprintf(buf, "%s %d", title, gameNumber);
9122 DisplayTitle(title);
9126 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
9127 gameMode = PlayFromGameFile;
9131 currentMove = forwardMostMove = backwardMostMove = 0;
9132 CopyBoard(boards[0], initialPosition);
9136 * Skip the first gn-1 games in the file.
9137 * Also skip over anything that precedes an identifiable
9138 * start of game marker, to avoid being confused by
9139 * garbage at the start of the file. Currently
9140 * recognized start of game markers are the move number "1",
9141 * the pattern "gnuchess .* game", the pattern
9142 * "^[#;%] [^ ]* game file", and a PGN tag block.
9143 * A game that starts with one of the latter two patterns
9144 * will also have a move number 1, possibly
9145 * following a position diagram.
9146 * 5-4-02: Let's try being more lenient and allowing a game to
9147 * start with an unnumbered move. Does that break anything?
9149 cm = lastLoadGameStart = (ChessMove) 0;
9151 yyboardindex = forwardMostMove;
9152 cm = (ChessMove) yylex();
9155 if (cmailMsgLoaded) {
9156 nCmailGames = CMAIL_MAX_GAMES - gn;
9159 DisplayError(_("Game not found in file"), 0);
9166 lastLoadGameStart = cm;
9170 switch (lastLoadGameStart) {
9177 gn--; /* count this game */
9178 lastLoadGameStart = cm;
9187 switch (lastLoadGameStart) {
9192 gn--; /* count this game */
9193 lastLoadGameStart = cm;
9196 lastLoadGameStart = cm; /* game counted already */
9204 yyboardindex = forwardMostMove;
9205 cm = (ChessMove) yylex();
9206 } while (cm == PGNTag || cm == Comment);
9213 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
9214 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
9215 != CMAIL_OLD_RESULT) {
9217 cmailResult[ CMAIL_MAX_GAMES
9218 - gn - 1] = CMAIL_OLD_RESULT;
9224 /* Only a NormalMove can be at the start of a game
9225 * without a position diagram. */
9226 if (lastLoadGameStart == (ChessMove) 0) {
9228 lastLoadGameStart = MoveNumberOne;
9237 if (appData.debugMode)
9238 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
9240 if (cm == XBoardGame) {
9241 /* Skip any header junk before position diagram and/or move 1 */
9243 yyboardindex = forwardMostMove;
9244 cm = (ChessMove) yylex();
9246 if (cm == (ChessMove) 0 ||
9247 cm == GNUChessGame || cm == XBoardGame) {
9248 /* Empty game; pretend end-of-file and handle later */
9253 if (cm == MoveNumberOne || cm == PositionDiagram ||
9254 cm == PGNTag || cm == Comment)
9257 } else if (cm == GNUChessGame) {
9258 if (gameInfo.event != NULL) {
9259 free(gameInfo.event);
9261 gameInfo.event = StrSave(yy_text);
9264 startedFromSetupPosition = FALSE;
9265 while (cm == PGNTag) {
9266 if (appData.debugMode)
9267 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
9268 err = ParsePGNTag(yy_text, &gameInfo);
9269 if (!err) numPGNTags++;
9271 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
9272 if(gameInfo.variant != oldVariant) {
9273 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
9275 oldVariant = gameInfo.variant;
9276 if (appData.debugMode)
9277 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
9281 if (gameInfo.fen != NULL) {
9282 Board initial_position;
9283 startedFromSetupPosition = TRUE;
9284 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
9286 DisplayError(_("Bad FEN position in file"), 0);
9289 CopyBoard(boards[0], initial_position);
9290 if (blackPlaysFirst) {
9291 currentMove = forwardMostMove = backwardMostMove = 1;
9292 CopyBoard(boards[1], initial_position);
9293 strcpy(moveList[0], "");
9294 strcpy(parseList[0], "");
9295 timeRemaining[0][1] = whiteTimeRemaining;
9296 timeRemaining[1][1] = blackTimeRemaining;
9297 if (commentList[0] != NULL) {
9298 commentList[1] = commentList[0];
9299 commentList[0] = NULL;
9302 currentMove = forwardMostMove = backwardMostMove = 0;
9304 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
9306 initialRulePlies = FENrulePlies;
9307 epStatus[forwardMostMove] = FENepStatus;
9308 for( i=0; i< nrCastlingRights; i++ )
9309 initialRights[i] = castlingRights[forwardMostMove][i] = FENcastlingRights[i];
9311 yyboardindex = forwardMostMove;
9313 gameInfo.fen = NULL;
9316 yyboardindex = forwardMostMove;
9317 cm = (ChessMove) yylex();
9319 /* Handle comments interspersed among the tags */
9320 while (cm == Comment) {
9322 if (appData.debugMode)
9323 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9325 if (*p == '{' || *p == '[' || *p == '(') {
9326 p[strlen(p) - 1] = NULLCHAR;
9329 while (*p == '\n') p++;
9330 AppendComment(currentMove, p);
9331 yyboardindex = forwardMostMove;
9332 cm = (ChessMove) yylex();
9336 /* don't rely on existence of Event tag since if game was
9337 * pasted from clipboard the Event tag may not exist
9339 if (numPGNTags > 0){
9341 if (gameInfo.variant == VariantNormal) {
9342 gameInfo.variant = StringToVariant(gameInfo.event);
9345 if( appData.autoDisplayTags ) {
9346 tags = PGNTags(&gameInfo);
9347 TagsPopUp(tags, CmailMsg());
9352 /* Make something up, but don't display it now */
9357 if (cm == PositionDiagram) {
9360 Board initial_position;
9362 if (appData.debugMode)
9363 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
9365 if (!startedFromSetupPosition) {
9367 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
9368 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
9378 initial_position[i][j++] = CharToPiece(*p);
9381 while (*p == ' ' || *p == '\t' ||
9382 *p == '\n' || *p == '\r') p++;
9384 if (strncmp(p, "black", strlen("black"))==0)
9385 blackPlaysFirst = TRUE;
9387 blackPlaysFirst = FALSE;
9388 startedFromSetupPosition = TRUE;
9390 CopyBoard(boards[0], initial_position);
9391 if (blackPlaysFirst) {
9392 currentMove = forwardMostMove = backwardMostMove = 1;
9393 CopyBoard(boards[1], initial_position);
9394 strcpy(moveList[0], "");
9395 strcpy(parseList[0], "");
9396 timeRemaining[0][1] = whiteTimeRemaining;
9397 timeRemaining[1][1] = blackTimeRemaining;
9398 if (commentList[0] != NULL) {
9399 commentList[1] = commentList[0];
9400 commentList[0] = NULL;
9403 currentMove = forwardMostMove = backwardMostMove = 0;
9406 yyboardindex = forwardMostMove;
9407 cm = (ChessMove) yylex();
9410 if (first.pr == NoProc) {
9411 StartChessProgram(&first);
9413 InitChessProgram(&first, FALSE);
9414 SendToProgram("force\n", &first);
9415 if (startedFromSetupPosition) {
9416 SendBoard(&first, forwardMostMove);
9417 if (appData.debugMode) {
9418 fprintf(debugFP, "Load Game\n");
9420 DisplayBothClocks();
9423 /* [HGM] server: flag to write setup moves in broadcast file as one */
9424 loadFlag = appData.suppressLoadMoves;
9426 while (cm == Comment) {
9428 if (appData.debugMode)
9429 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9431 if (*p == '{' || *p == '[' || *p == '(') {
9432 p[strlen(p) - 1] = NULLCHAR;
9435 while (*p == '\n') p++;
9436 AppendComment(currentMove, p);
9437 yyboardindex = forwardMostMove;
9438 cm = (ChessMove) yylex();
9441 if ((cm == (ChessMove) 0 && lastLoadGameStart != (ChessMove) 0) ||
9442 cm == WhiteWins || cm == BlackWins ||
9443 cm == GameIsDrawn || cm == GameUnfinished) {
9444 DisplayMessage("", _("No moves in game"));
9445 if (cmailMsgLoaded) {
9446 if (appData.debugMode)
9447 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
9451 DrawPosition(FALSE, boards[currentMove]);
9452 DisplayBothClocks();
9453 gameMode = EditGame;
9460 // [HGM] PV info: routine tests if comment empty
9461 if (!matchMode && (pausing || appData.timeDelay != 0)) {
9462 DisplayComment(currentMove - 1, commentList[currentMove]);
9464 if (!matchMode && appData.timeDelay != 0)
9465 DrawPosition(FALSE, boards[currentMove]);
9467 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
9468 programStats.ok_to_send = 1;
9471 /* if the first token after the PGN tags is a move
9472 * and not move number 1, retrieve it from the parser
9474 if (cm != MoveNumberOne)
9475 LoadGameOneMove(cm);
9477 /* load the remaining moves from the file */
9478 while (LoadGameOneMove((ChessMove)0)) {
9479 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9480 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9483 /* rewind to the start of the game */
9484 currentMove = backwardMostMove;
9486 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9488 if (oldGameMode == AnalyzeFile ||
9489 oldGameMode == AnalyzeMode) {
9493 if (matchMode || appData.timeDelay == 0) {
9495 gameMode = EditGame;
9497 } else if (appData.timeDelay > 0) {
9501 if (appData.debugMode)
9502 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
9504 loadFlag = 0; /* [HGM] true game starts */
9508 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
9510 ReloadPosition(offset)
9513 int positionNumber = lastLoadPositionNumber + offset;
9514 if (lastLoadPositionFP == NULL) {
9515 DisplayError(_("No position has been loaded yet"), 0);
9518 if (positionNumber <= 0) {
9519 DisplayError(_("Can't back up any further"), 0);
9522 return LoadPosition(lastLoadPositionFP, positionNumber,
9523 lastLoadPositionTitle);
9526 /* Load the nth position from the given file */
9528 LoadPositionFromFile(filename, n, title)
9536 if (strcmp(filename, "-") == 0) {
9537 return LoadPosition(stdin, n, "stdin");
9539 f = fopen(filename, "rb");
9541 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9542 DisplayError(buf, errno);
9545 return LoadPosition(f, n, title);
9550 /* Load the nth position from the given open file, and close it */
9552 LoadPosition(f, positionNumber, title)
9557 char *p, line[MSG_SIZ];
9558 Board initial_position;
9559 int i, j, fenMode, pn;
9561 if (gameMode == Training )
9562 SetTrainingModeOff();
9564 if (gameMode != BeginningOfGame) {
9567 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
9568 fclose(lastLoadPositionFP);
9570 if (positionNumber == 0) positionNumber = 1;
9571 lastLoadPositionFP = f;
9572 lastLoadPositionNumber = positionNumber;
9573 strcpy(lastLoadPositionTitle, title);
9574 if (first.pr == NoProc) {
9575 StartChessProgram(&first);
9576 InitChessProgram(&first, FALSE);
9578 pn = positionNumber;
9579 if (positionNumber < 0) {
9580 /* Negative position number means to seek to that byte offset */
9581 if (fseek(f, -positionNumber, 0) == -1) {
9582 DisplayError(_("Can't seek on position file"), 0);
9587 if (fseek(f, 0, 0) == -1) {
9588 if (f == lastLoadPositionFP ?
9589 positionNumber == lastLoadPositionNumber + 1 :
9590 positionNumber == 1) {
9593 DisplayError(_("Can't seek on position file"), 0);
9598 /* See if this file is FEN or old-style xboard */
9599 if (fgets(line, MSG_SIZ, f) == NULL) {
9600 DisplayError(_("Position not found in file"), 0);
9603 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
9604 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
9607 if (fenMode || line[0] == '#') pn--;
9609 /* skip positions before number pn */
9610 if (fgets(line, MSG_SIZ, f) == NULL) {
9612 DisplayError(_("Position not found in file"), 0);
9615 if (fenMode || line[0] == '#') pn--;
9620 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
9621 DisplayError(_("Bad FEN position in file"), 0);
9625 (void) fgets(line, MSG_SIZ, f);
9626 (void) fgets(line, MSG_SIZ, f);
9628 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
9629 (void) fgets(line, MSG_SIZ, f);
9630 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
9633 initial_position[i][j++] = CharToPiece(*p);
9637 blackPlaysFirst = FALSE;
9639 (void) fgets(line, MSG_SIZ, f);
9640 if (strncmp(line, "black", strlen("black"))==0)
9641 blackPlaysFirst = TRUE;
9644 startedFromSetupPosition = TRUE;
9646 SendToProgram("force\n", &first);
9647 CopyBoard(boards[0], initial_position);
9648 if (blackPlaysFirst) {
9649 currentMove = forwardMostMove = backwardMostMove = 1;
9650 strcpy(moveList[0], "");
9651 strcpy(parseList[0], "");
9652 CopyBoard(boards[1], initial_position);
9653 DisplayMessage("", _("Black to play"));
9655 currentMove = forwardMostMove = backwardMostMove = 0;
9656 DisplayMessage("", _("White to play"));
9658 /* [HGM] copy FEN attributes as well */
9660 initialRulePlies = FENrulePlies;
9661 epStatus[forwardMostMove] = FENepStatus;
9662 for( i=0; i< nrCastlingRights; i++ )
9663 castlingRights[forwardMostMove][i] = FENcastlingRights[i];
9665 SendBoard(&first, forwardMostMove);
9666 if (appData.debugMode) {
9668 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", castlingRights[i][j]);fprintf(debugFP,"\n");}
9669 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
9670 fprintf(debugFP, "Load Position\n");
9673 if (positionNumber > 1) {
9674 sprintf(line, "%s %d", title, positionNumber);
9677 DisplayTitle(title);
9679 gameMode = EditGame;
9682 timeRemaining[0][1] = whiteTimeRemaining;
9683 timeRemaining[1][1] = blackTimeRemaining;
9684 DrawPosition(FALSE, boards[currentMove]);
9691 CopyPlayerNameIntoFileName(dest, src)
9694 while (*src != NULLCHAR && *src != ',') {
9699 *(*dest)++ = *src++;
9704 char *DefaultFileName(ext)
9707 static char def[MSG_SIZ];
9710 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
9712 CopyPlayerNameIntoFileName(&p, gameInfo.white);
9714 CopyPlayerNameIntoFileName(&p, gameInfo.black);
9723 /* Save the current game to the given file */
9725 SaveGameToFile(filename, append)
9732 if (strcmp(filename, "-") == 0) {
9733 return SaveGame(stdout, 0, NULL);
9735 f = fopen(filename, append ? "a" : "w");
9737 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9738 DisplayError(buf, errno);
9741 return SaveGame(f, 0, NULL);
9750 static char buf[MSG_SIZ];
9753 p = strchr(str, ' ');
9754 if (p == NULL) return str;
9755 strncpy(buf, str, p - str);
9756 buf[p - str] = NULLCHAR;
9760 #define PGN_MAX_LINE 75
9762 #define PGN_SIDE_WHITE 0
9763 #define PGN_SIDE_BLACK 1
9766 static int FindFirstMoveOutOfBook( int side )
9770 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
9771 int index = backwardMostMove;
9772 int has_book_hit = 0;
9774 if( (index % 2) != side ) {
9778 while( index < forwardMostMove ) {
9779 /* Check to see if engine is in book */
9780 int depth = pvInfoList[index].depth;
9781 int score = pvInfoList[index].score;
9787 else if( score == 0 && depth == 63 ) {
9788 in_book = 1; /* Zappa */
9790 else if( score == 2 && depth == 99 ) {
9791 in_book = 1; /* Abrok */
9794 has_book_hit += in_book;
9810 void GetOutOfBookInfo( char * buf )
9814 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
9816 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
9817 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
9821 if( oob[0] >= 0 || oob[1] >= 0 ) {
9822 for( i=0; i<2; i++ ) {
9826 if( i > 0 && oob[0] >= 0 ) {
9830 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
9831 sprintf( buf+strlen(buf), "%s%.2f",
9832 pvInfoList[idx].score >= 0 ? "+" : "",
9833 pvInfoList[idx].score / 100.0 );
9839 /* Save game in PGN style and close the file */
9844 int i, offset, linelen, newblock;
9848 int movelen, numlen, blank;
9849 char move_buffer[100]; /* [AS] Buffer for move+PV info */
9851 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
9853 tm = time((time_t *) NULL);
9855 PrintPGNTags(f, &gameInfo);
9857 if (backwardMostMove > 0 || startedFromSetupPosition) {
9858 char *fen = PositionToFEN(backwardMostMove, NULL);
9859 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
9860 fprintf(f, "\n{--------------\n");
9861 PrintPosition(f, backwardMostMove);
9862 fprintf(f, "--------------}\n");
9866 /* [AS] Out of book annotation */
9867 if( appData.saveOutOfBookInfo ) {
9870 GetOutOfBookInfo( buf );
9872 if( buf[0] != '\0' ) {
9873 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
9880 i = backwardMostMove;
9884 while (i < forwardMostMove) {
9885 /* Print comments preceding this move */
9886 if (commentList[i] != NULL) {
9887 if (linelen > 0) fprintf(f, "\n");
9888 fprintf(f, "{\n%s}\n", commentList[i]);
9893 /* Format move number */
9895 sprintf(numtext, "%d.", (i - offset)/2 + 1);
9898 sprintf(numtext, "%d...", (i - offset)/2 + 1);
9900 numtext[0] = NULLCHAR;
9903 numlen = strlen(numtext);
9906 /* Print move number */
9907 blank = linelen > 0 && numlen > 0;
9908 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
9917 fprintf(f, "%s", numtext);
9921 strcpy(move_buffer, SavePart(parseList[i])); // [HGM] pgn: print move via buffer, so it can be edited
9922 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
9925 blank = linelen > 0 && movelen > 0;
9926 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
9935 fprintf(f, "%s", move_buffer);
9938 /* [AS] Add PV info if present */
9939 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
9940 /* [HGM] add time */
9941 char buf[MSG_SIZ]; int seconds = 0;
9943 if(i >= backwardMostMove) {
9945 seconds = timeRemaining[0][i] - timeRemaining[0][i+1]
9946 + GetTimeQuota(i/2) / (1000*WhitePlayer()->timeOdds);
9948 seconds = timeRemaining[1][i] - timeRemaining[1][i+1]
9949 + GetTimeQuota(i/2) / (1000*WhitePlayer()->other->timeOdds);
9951 seconds = (seconds+50)/100; // deci-seconds, rounded to nearest
9953 if( seconds <= 0) buf[0] = 0; else
9954 if( seconds < 30 ) sprintf(buf, " %3.1f%c", seconds/10., 0); else {
9955 seconds = (seconds + 4)/10; // round to full seconds
9956 if( seconds < 60 ) sprintf(buf, " %d%c", seconds, 0); else
9957 sprintf(buf, " %d:%02d%c", seconds/60, seconds%60, 0);
9960 sprintf( move_buffer, "{%s%.2f/%d%s}",
9961 pvInfoList[i].score >= 0 ? "+" : "",
9962 pvInfoList[i].score / 100.0,
9963 pvInfoList[i].depth,
9966 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
9968 /* Print score/depth */
9969 blank = linelen > 0 && movelen > 0;
9970 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
9979 fprintf(f, "%s", move_buffer);
9986 /* Start a new line */
9987 if (linelen > 0) fprintf(f, "\n");
9989 /* Print comments after last move */
9990 if (commentList[i] != NULL) {
9991 fprintf(f, "{\n%s}\n", commentList[i]);
9995 if (gameInfo.resultDetails != NULL &&
9996 gameInfo.resultDetails[0] != NULLCHAR) {
9997 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
9998 PGNResult(gameInfo.result));
10000 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10004 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10008 /* Save game in old style and close the file */
10010 SaveGameOldStyle(f)
10016 tm = time((time_t *) NULL);
10018 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
10021 if (backwardMostMove > 0 || startedFromSetupPosition) {
10022 fprintf(f, "\n[--------------\n");
10023 PrintPosition(f, backwardMostMove);
10024 fprintf(f, "--------------]\n");
10029 i = backwardMostMove;
10030 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10032 while (i < forwardMostMove) {
10033 if (commentList[i] != NULL) {
10034 fprintf(f, "[%s]\n", commentList[i]);
10037 if ((i % 2) == 1) {
10038 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
10041 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
10043 if (commentList[i] != NULL) {
10047 if (i >= forwardMostMove) {
10051 fprintf(f, "%s\n", parseList[i]);
10056 if (commentList[i] != NULL) {
10057 fprintf(f, "[%s]\n", commentList[i]);
10060 /* This isn't really the old style, but it's close enough */
10061 if (gameInfo.resultDetails != NULL &&
10062 gameInfo.resultDetails[0] != NULLCHAR) {
10063 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
10064 gameInfo.resultDetails);
10066 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10073 /* Save the current game to open file f and close the file */
10075 SaveGame(f, dummy, dummy2)
10080 if (gameMode == EditPosition) EditPositionDone();
10081 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10082 if (appData.oldSaveStyle)
10083 return SaveGameOldStyle(f);
10085 return SaveGamePGN(f);
10088 /* Save the current position to the given file */
10090 SavePositionToFile(filename)
10096 if (strcmp(filename, "-") == 0) {
10097 return SavePosition(stdout, 0, NULL);
10099 f = fopen(filename, "a");
10101 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10102 DisplayError(buf, errno);
10105 SavePosition(f, 0, NULL);
10111 /* Save the current position to the given open file and close the file */
10113 SavePosition(f, dummy, dummy2)
10121 if (appData.oldSaveStyle) {
10122 tm = time((time_t *) NULL);
10124 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
10126 fprintf(f, "[--------------\n");
10127 PrintPosition(f, currentMove);
10128 fprintf(f, "--------------]\n");
10130 fen = PositionToFEN(currentMove, NULL);
10131 fprintf(f, "%s\n", fen);
10139 ReloadCmailMsgEvent(unregister)
10143 static char *inFilename = NULL;
10144 static char *outFilename;
10146 struct stat inbuf, outbuf;
10149 /* Any registered moves are unregistered if unregister is set, */
10150 /* i.e. invoked by the signal handler */
10152 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
10153 cmailMoveRegistered[i] = FALSE;
10154 if (cmailCommentList[i] != NULL) {
10155 free(cmailCommentList[i]);
10156 cmailCommentList[i] = NULL;
10159 nCmailMovesRegistered = 0;
10162 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
10163 cmailResult[i] = CMAIL_NOT_RESULT;
10167 if (inFilename == NULL) {
10168 /* Because the filenames are static they only get malloced once */
10169 /* and they never get freed */
10170 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
10171 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
10173 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
10174 sprintf(outFilename, "%s.out", appData.cmailGameName);
10177 status = stat(outFilename, &outbuf);
10179 cmailMailedMove = FALSE;
10181 status = stat(inFilename, &inbuf);
10182 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
10185 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
10186 counts the games, notes how each one terminated, etc.
10188 It would be nice to remove this kludge and instead gather all
10189 the information while building the game list. (And to keep it
10190 in the game list nodes instead of having a bunch of fixed-size
10191 parallel arrays.) Note this will require getting each game's
10192 termination from the PGN tags, as the game list builder does
10193 not process the game moves. --mann
10195 cmailMsgLoaded = TRUE;
10196 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
10198 /* Load first game in the file or popup game menu */
10199 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
10201 #endif /* !WIN32 */
10209 char string[MSG_SIZ];
10211 if ( cmailMailedMove
10212 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
10213 return TRUE; /* Allow free viewing */
10216 /* Unregister move to ensure that we don't leave RegisterMove */
10217 /* with the move registered when the conditions for registering no */
10219 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10220 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
10221 nCmailMovesRegistered --;
10223 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
10225 free(cmailCommentList[lastLoadGameNumber - 1]);
10226 cmailCommentList[lastLoadGameNumber - 1] = NULL;
10230 if (cmailOldMove == -1) {
10231 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
10235 if (currentMove > cmailOldMove + 1) {
10236 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
10240 if (currentMove < cmailOldMove) {
10241 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
10245 if (forwardMostMove > currentMove) {
10246 /* Silently truncate extra moves */
10250 if ( (currentMove == cmailOldMove + 1)
10251 || ( (currentMove == cmailOldMove)
10252 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
10253 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
10254 if (gameInfo.result != GameUnfinished) {
10255 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
10258 if (commentList[currentMove] != NULL) {
10259 cmailCommentList[lastLoadGameNumber - 1]
10260 = StrSave(commentList[currentMove]);
10262 strcpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1]);
10264 if (appData.debugMode)
10265 fprintf(debugFP, "Saving %s for game %d\n",
10266 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
10269 "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
10271 f = fopen(string, "w");
10272 if (appData.oldSaveStyle) {
10273 SaveGameOldStyle(f); /* also closes the file */
10275 sprintf(string, "%s.pos.out", appData.cmailGameName);
10276 f = fopen(string, "w");
10277 SavePosition(f, 0, NULL); /* also closes the file */
10279 fprintf(f, "{--------------\n");
10280 PrintPosition(f, currentMove);
10281 fprintf(f, "--------------}\n\n");
10283 SaveGame(f, 0, NULL); /* also closes the file*/
10286 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
10287 nCmailMovesRegistered ++;
10288 } else if (nCmailGames == 1) {
10289 DisplayError(_("You have not made a move yet"), 0);
10300 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
10301 FILE *commandOutput;
10302 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
10303 int nBytes = 0; /* Suppress warnings on uninitialized variables */
10309 if (! cmailMsgLoaded) {
10310 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
10314 if (nCmailGames == nCmailResults) {
10315 DisplayError(_("No unfinished games"), 0);
10319 #if CMAIL_PROHIBIT_REMAIL
10320 if (cmailMailedMove) {
10321 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);
10322 DisplayError(msg, 0);
10327 if (! (cmailMailedMove || RegisterMove())) return;
10329 if ( cmailMailedMove
10330 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
10331 sprintf(string, partCommandString,
10332 appData.debugMode ? " -v" : "", appData.cmailGameName);
10333 commandOutput = popen(string, "r");
10335 if (commandOutput == NULL) {
10336 DisplayError(_("Failed to invoke cmail"), 0);
10338 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
10339 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
10341 if (nBuffers > 1) {
10342 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
10343 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
10344 nBytes = MSG_SIZ - 1;
10346 (void) memcpy(msg, buffer, nBytes);
10348 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
10350 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
10351 cmailMailedMove = TRUE; /* Prevent >1 moves */
10354 for (i = 0; i < nCmailGames; i ++) {
10355 if (cmailResult[i] == CMAIL_NOT_RESULT) {
10360 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
10362 sprintf(buffer, "%s/%s.%s.archive",
10364 appData.cmailGameName,
10366 LoadGameFromFile(buffer, 1, buffer, FALSE);
10367 cmailMsgLoaded = FALSE;
10371 DisplayInformation(msg);
10372 pclose(commandOutput);
10375 if ((*cmailMsg) != '\0') {
10376 DisplayInformation(cmailMsg);
10381 #endif /* !WIN32 */
10390 int prependComma = 0;
10392 char string[MSG_SIZ]; /* Space for game-list */
10395 if (!cmailMsgLoaded) return "";
10397 if (cmailMailedMove) {
10398 sprintf(cmailMsg, _("Waiting for reply from opponent\n"));
10400 /* Create a list of games left */
10401 sprintf(string, "[");
10402 for (i = 0; i < nCmailGames; i ++) {
10403 if (! ( cmailMoveRegistered[i]
10404 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
10405 if (prependComma) {
10406 sprintf(number, ",%d", i + 1);
10408 sprintf(number, "%d", i + 1);
10412 strcat(string, number);
10415 strcat(string, "]");
10417 if (nCmailMovesRegistered + nCmailResults == 0) {
10418 switch (nCmailGames) {
10421 _("Still need to make move for game\n"));
10426 _("Still need to make moves for both games\n"));
10431 _("Still need to make moves for all %d games\n"),
10436 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
10439 _("Still need to make a move for game %s\n"),
10444 if (nCmailResults == nCmailGames) {
10445 sprintf(cmailMsg, _("No unfinished games\n"));
10447 sprintf(cmailMsg, _("Ready to send mail\n"));
10453 _("Still need to make moves for games %s\n"),
10465 if (gameMode == Training)
10466 SetTrainingModeOff();
10469 cmailMsgLoaded = FALSE;
10470 if (appData.icsActive) {
10471 SendToICS(ics_prefix);
10472 SendToICS("refresh\n");
10482 /* Give up on clean exit */
10486 /* Keep trying for clean exit */
10490 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
10492 if (telnetISR != NULL) {
10493 RemoveInputSource(telnetISR);
10495 if (icsPR != NoProc) {
10496 DestroyChildProcess(icsPR, TRUE);
10499 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
10500 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
10502 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
10503 /* make sure this other one finishes before killing it! */
10504 if(endingGame) { int count = 0;
10505 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
10506 while(endingGame && count++ < 10) DoSleep(1);
10507 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
10510 /* Kill off chess programs */
10511 if (first.pr != NoProc) {
10514 DoSleep( appData.delayBeforeQuit );
10515 SendToProgram("quit\n", &first);
10516 DoSleep( appData.delayAfterQuit );
10517 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
10519 if (second.pr != NoProc) {
10520 DoSleep( appData.delayBeforeQuit );
10521 SendToProgram("quit\n", &second);
10522 DoSleep( appData.delayAfterQuit );
10523 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
10525 if (first.isr != NULL) {
10526 RemoveInputSource(first.isr);
10528 if (second.isr != NULL) {
10529 RemoveInputSource(second.isr);
10532 ShutDownFrontEnd();
10539 if (appData.debugMode)
10540 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
10544 if (gameMode == MachinePlaysWhite ||
10545 gameMode == MachinePlaysBlack) {
10548 DisplayBothClocks();
10550 if (gameMode == PlayFromGameFile) {
10551 if (appData.timeDelay >= 0)
10552 AutoPlayGameLoop();
10553 } else if (gameMode == IcsExamining && pauseExamInvalid) {
10554 Reset(FALSE, TRUE);
10555 SendToICS(ics_prefix);
10556 SendToICS("refresh\n");
10557 } else if (currentMove < forwardMostMove) {
10558 ForwardInner(forwardMostMove);
10560 pauseExamInvalid = FALSE;
10562 switch (gameMode) {
10566 pauseExamForwardMostMove = forwardMostMove;
10567 pauseExamInvalid = FALSE;
10570 case IcsPlayingWhite:
10571 case IcsPlayingBlack:
10575 case PlayFromGameFile:
10576 (void) StopLoadGameTimer();
10580 case BeginningOfGame:
10581 if (appData.icsActive) return;
10582 /* else fall through */
10583 case MachinePlaysWhite:
10584 case MachinePlaysBlack:
10585 case TwoMachinesPlay:
10586 if (forwardMostMove == 0)
10587 return; /* don't pause if no one has moved */
10588 if ((gameMode == MachinePlaysWhite &&
10589 !WhiteOnMove(forwardMostMove)) ||
10590 (gameMode == MachinePlaysBlack &&
10591 WhiteOnMove(forwardMostMove))) {
10604 char title[MSG_SIZ];
10606 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
10607 strcpy(title, _("Edit comment"));
10609 sprintf(title, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
10610 WhiteOnMove(currentMove - 1) ? " " : ".. ",
10611 parseList[currentMove - 1]);
10614 EditCommentPopUp(currentMove, title, commentList[currentMove]);
10621 char *tags = PGNTags(&gameInfo);
10622 EditTagsPopUp(tags);
10629 if (appData.noChessProgram || gameMode == AnalyzeMode)
10632 if (gameMode != AnalyzeFile) {
10633 if (!appData.icsEngineAnalyze) {
10635 if (gameMode != EditGame) return;
10637 ResurrectChessProgram();
10638 SendToProgram("analyze\n", &first);
10639 first.analyzing = TRUE;
10640 /*first.maybeThinking = TRUE;*/
10641 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
10642 EngineOutputPopUp();
10644 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
10649 StartAnalysisClock();
10650 GetTimeMark(&lastNodeCountTime);
10657 if (appData.noChessProgram || gameMode == AnalyzeFile)
10660 if (gameMode != AnalyzeMode) {
10662 if (gameMode != EditGame) return;
10663 ResurrectChessProgram();
10664 SendToProgram("analyze\n", &first);
10665 first.analyzing = TRUE;
10666 /*first.maybeThinking = TRUE;*/
10667 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
10668 EngineOutputPopUp();
10670 gameMode = AnalyzeFile;
10675 StartAnalysisClock();
10676 GetTimeMark(&lastNodeCountTime);
10681 MachineWhiteEvent()
10684 char *bookHit = NULL;
10686 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
10690 if (gameMode == PlayFromGameFile ||
10691 gameMode == TwoMachinesPlay ||
10692 gameMode == Training ||
10693 gameMode == AnalyzeMode ||
10694 gameMode == EndOfGame)
10697 if (gameMode == EditPosition)
10698 EditPositionDone();
10700 if (!WhiteOnMove(currentMove)) {
10701 DisplayError(_("It is not White's turn"), 0);
10705 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
10708 if (gameMode == EditGame || gameMode == AnalyzeMode ||
10709 gameMode == AnalyzeFile)
10712 ResurrectChessProgram(); /* in case it isn't running */
10713 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
10714 gameMode = MachinePlaysWhite;
10717 gameMode = MachinePlaysWhite;
10721 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
10723 if (first.sendName) {
10724 sprintf(buf, "name %s\n", gameInfo.black);
10725 SendToProgram(buf, &first);
10727 if (first.sendTime) {
10728 if (first.useColors) {
10729 SendToProgram("black\n", &first); /*gnu kludge*/
10731 SendTimeRemaining(&first, TRUE);
10733 if (first.useColors) {
10734 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
10736 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
10737 SetMachineThinkingEnables();
10738 first.maybeThinking = TRUE;
10742 if (appData.autoFlipView && !flipView) {
10743 flipView = !flipView;
10744 DrawPosition(FALSE, NULL);
10745 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
10748 if(bookHit) { // [HGM] book: simulate book reply
10749 static char bookMove[MSG_SIZ]; // a bit generous?
10751 programStats.nodes = programStats.depth = programStats.time =
10752 programStats.score = programStats.got_only_move = 0;
10753 sprintf(programStats.movelist, "%s (xbook)", bookHit);
10755 strcpy(bookMove, "move ");
10756 strcat(bookMove, bookHit);
10757 HandleMachineMove(bookMove, &first);
10762 MachineBlackEvent()
10765 char *bookHit = NULL;
10767 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
10771 if (gameMode == PlayFromGameFile ||
10772 gameMode == TwoMachinesPlay ||
10773 gameMode == Training ||
10774 gameMode == AnalyzeMode ||
10775 gameMode == EndOfGame)
10778 if (gameMode == EditPosition)
10779 EditPositionDone();
10781 if (WhiteOnMove(currentMove)) {
10782 DisplayError(_("It is not Black's turn"), 0);
10786 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
10789 if (gameMode == EditGame || gameMode == AnalyzeMode ||
10790 gameMode == AnalyzeFile)
10793 ResurrectChessProgram(); /* in case it isn't running */
10794 gameMode = MachinePlaysBlack;
10798 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
10800 if (first.sendName) {
10801 sprintf(buf, "name %s\n", gameInfo.white);
10802 SendToProgram(buf, &first);
10804 if (first.sendTime) {
10805 if (first.useColors) {
10806 SendToProgram("white\n", &first); /*gnu kludge*/
10808 SendTimeRemaining(&first, FALSE);
10810 if (first.useColors) {
10811 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
10813 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
10814 SetMachineThinkingEnables();
10815 first.maybeThinking = TRUE;
10818 if (appData.autoFlipView && flipView) {
10819 flipView = !flipView;
10820 DrawPosition(FALSE, NULL);
10821 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
10823 if(bookHit) { // [HGM] book: simulate book reply
10824 static char bookMove[MSG_SIZ]; // a bit generous?
10826 programStats.nodes = programStats.depth = programStats.time =
10827 programStats.score = programStats.got_only_move = 0;
10828 sprintf(programStats.movelist, "%s (xbook)", bookHit);
10830 strcpy(bookMove, "move ");
10831 strcat(bookMove, bookHit);
10832 HandleMachineMove(bookMove, &first);
10838 DisplayTwoMachinesTitle()
10841 if (appData.matchGames > 0) {
10842 if (first.twoMachinesColor[0] == 'w') {
10843 sprintf(buf, "%s vs. %s (%d-%d-%d)",
10844 gameInfo.white, gameInfo.black,
10845 first.matchWins, second.matchWins,
10846 matchGame - 1 - (first.matchWins + second.matchWins));
10848 sprintf(buf, "%s vs. %s (%d-%d-%d)",
10849 gameInfo.white, gameInfo.black,
10850 second.matchWins, first.matchWins,
10851 matchGame - 1 - (first.matchWins + second.matchWins));
10854 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
10860 TwoMachinesEvent P((void))
10864 ChessProgramState *onmove;
10865 char *bookHit = NULL;
10867 if (appData.noChessProgram) return;
10869 switch (gameMode) {
10870 case TwoMachinesPlay:
10872 case MachinePlaysWhite:
10873 case MachinePlaysBlack:
10874 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
10875 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
10879 case BeginningOfGame:
10880 case PlayFromGameFile:
10883 if (gameMode != EditGame) return;
10886 EditPositionDone();
10897 forwardMostMove = currentMove;
10898 ResurrectChessProgram(); /* in case first program isn't running */
10900 if (second.pr == NULL) {
10901 StartChessProgram(&second);
10902 if (second.protocolVersion == 1) {
10903 TwoMachinesEventIfReady();
10905 /* kludge: allow timeout for initial "feature" command */
10907 DisplayMessage("", _("Starting second chess program"));
10908 ScheduleDelayedEvent(TwoMachinesEventIfReady, FEATURE_TIMEOUT);
10912 DisplayMessage("", "");
10913 InitChessProgram(&second, FALSE);
10914 SendToProgram("force\n", &second);
10915 if (startedFromSetupPosition) {
10916 SendBoard(&second, backwardMostMove);
10917 if (appData.debugMode) {
10918 fprintf(debugFP, "Two Machines\n");
10921 for (i = backwardMostMove; i < forwardMostMove; i++) {
10922 SendMoveToProgram(i, &second);
10925 gameMode = TwoMachinesPlay;
10929 DisplayTwoMachinesTitle();
10931 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
10937 SendToProgram(first.computerString, &first);
10938 if (first.sendName) {
10939 sprintf(buf, "name %s\n", second.tidy);
10940 SendToProgram(buf, &first);
10942 SendToProgram(second.computerString, &second);
10943 if (second.sendName) {
10944 sprintf(buf, "name %s\n", first.tidy);
10945 SendToProgram(buf, &second);
10949 if (!first.sendTime || !second.sendTime) {
10950 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10951 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10953 if (onmove->sendTime) {
10954 if (onmove->useColors) {
10955 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
10957 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
10959 if (onmove->useColors) {
10960 SendToProgram(onmove->twoMachinesColor, onmove);
10962 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
10963 // SendToProgram("go\n", onmove);
10964 onmove->maybeThinking = TRUE;
10965 SetMachineThinkingEnables();
10969 if(bookHit) { // [HGM] book: simulate book reply
10970 static char bookMove[MSG_SIZ]; // a bit generous?
10972 programStats.nodes = programStats.depth = programStats.time =
10973 programStats.score = programStats.got_only_move = 0;
10974 sprintf(programStats.movelist, "%s (xbook)", bookHit);
10976 strcpy(bookMove, "move ");
10977 strcat(bookMove, bookHit);
10978 savedMessage = bookMove; // args for deferred call
10979 savedState = onmove;
10980 ScheduleDelayedEvent(DeferredBookMove, 1);
10987 if (gameMode == Training) {
10988 SetTrainingModeOff();
10989 gameMode = PlayFromGameFile;
10990 DisplayMessage("", _("Training mode off"));
10992 gameMode = Training;
10993 animateTraining = appData.animate;
10995 /* make sure we are not already at the end of the game */
10996 if (currentMove < forwardMostMove) {
10997 SetTrainingModeOn();
10998 DisplayMessage("", _("Training mode on"));
11000 gameMode = PlayFromGameFile;
11001 DisplayError(_("Already at end of game"), 0);
11010 if (!appData.icsActive) return;
11011 switch (gameMode) {
11012 case IcsPlayingWhite:
11013 case IcsPlayingBlack:
11016 case BeginningOfGame:
11024 EditPositionDone();
11037 gameMode = IcsIdle;
11048 switch (gameMode) {
11050 SetTrainingModeOff();
11052 case MachinePlaysWhite:
11053 case MachinePlaysBlack:
11054 case BeginningOfGame:
11055 SendToProgram("force\n", &first);
11056 SetUserThinkingEnables();
11058 case PlayFromGameFile:
11059 (void) StopLoadGameTimer();
11060 if (gameFileFP != NULL) {
11065 EditPositionDone();
11070 SendToProgram("force\n", &first);
11072 case TwoMachinesPlay:
11073 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
11074 ResurrectChessProgram();
11075 SetUserThinkingEnables();
11078 ResurrectChessProgram();
11080 case IcsPlayingBlack:
11081 case IcsPlayingWhite:
11082 DisplayError(_("Warning: You are still playing a game"), 0);
11085 DisplayError(_("Warning: You are still observing a game"), 0);
11088 DisplayError(_("Warning: You are still examining a game"), 0);
11099 first.offeredDraw = second.offeredDraw = 0;
11101 if (gameMode == PlayFromGameFile) {
11102 whiteTimeRemaining = timeRemaining[0][currentMove];
11103 blackTimeRemaining = timeRemaining[1][currentMove];
11107 if (gameMode == MachinePlaysWhite ||
11108 gameMode == MachinePlaysBlack ||
11109 gameMode == TwoMachinesPlay ||
11110 gameMode == EndOfGame) {
11111 i = forwardMostMove;
11112 while (i > currentMove) {
11113 SendToProgram("undo\n", &first);
11116 whiteTimeRemaining = timeRemaining[0][currentMove];
11117 blackTimeRemaining = timeRemaining[1][currentMove];
11118 DisplayBothClocks();
11119 if (whiteFlag || blackFlag) {
11120 whiteFlag = blackFlag = 0;
11125 gameMode = EditGame;
11132 EditPositionEvent()
11134 if (gameMode == EditPosition) {
11140 if (gameMode != EditGame) return;
11142 gameMode = EditPosition;
11145 if (currentMove > 0)
11146 CopyBoard(boards[0], boards[currentMove]);
11148 blackPlaysFirst = !WhiteOnMove(currentMove);
11150 currentMove = forwardMostMove = backwardMostMove = 0;
11151 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11158 /* [DM] icsEngineAnalyze - possible call from other functions */
11159 if (appData.icsEngineAnalyze) {
11160 appData.icsEngineAnalyze = FALSE;
11162 DisplayMessage("",_("Close ICS engine analyze..."));
11164 if (first.analysisSupport && first.analyzing) {
11165 SendToProgram("exit\n", &first);
11166 first.analyzing = FALSE;
11168 thinkOutput[0] = NULLCHAR;
11174 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
11176 startedFromSetupPosition = TRUE;
11177 InitChessProgram(&first, FALSE);
11178 castlingRights[0][2] = castlingRights[0][5] = BOARD_WIDTH>>1;
11179 if(boards[0][0][BOARD_WIDTH>>1] == king) {
11180 castlingRights[0][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : -1;
11181 castlingRights[0][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : -1;
11182 } else castlingRights[0][2] = -1;
11183 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
11184 castlingRights[0][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : -1;
11185 castlingRights[0][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : -1;
11186 } else castlingRights[0][5] = -1;
11187 SendToProgram("force\n", &first);
11188 if (blackPlaysFirst) {
11189 strcpy(moveList[0], "");
11190 strcpy(parseList[0], "");
11191 currentMove = forwardMostMove = backwardMostMove = 1;
11192 CopyBoard(boards[1], boards[0]);
11193 /* [HGM] copy rights as well, as this code is also used after pasting a FEN */
11195 epStatus[1] = epStatus[0];
11196 for(i=0; i<nrCastlingRights; i++) castlingRights[1][i] = castlingRights[0][i];
11199 currentMove = forwardMostMove = backwardMostMove = 0;
11201 SendBoard(&first, forwardMostMove);
11202 if (appData.debugMode) {
11203 fprintf(debugFP, "EditPosDone\n");
11206 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11207 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11208 gameMode = EditGame;
11210 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11211 ClearHighlights(); /* [AS] */
11214 /* Pause for `ms' milliseconds */
11215 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
11225 } while (SubtractTimeMarks(&m2, &m1) < ms);
11228 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
11230 SendMultiLineToICS(buf)
11233 char temp[MSG_SIZ+1], *p;
11240 strncpy(temp, buf, len);
11245 if (*p == '\n' || *p == '\r')
11250 strcat(temp, "\n");
11252 SendToPlayer(temp, strlen(temp));
11256 SetWhiteToPlayEvent()
11258 if (gameMode == EditPosition) {
11259 blackPlaysFirst = FALSE;
11260 DisplayBothClocks(); /* works because currentMove is 0 */
11261 } else if (gameMode == IcsExamining) {
11262 SendToICS(ics_prefix);
11263 SendToICS("tomove white\n");
11268 SetBlackToPlayEvent()
11270 if (gameMode == EditPosition) {
11271 blackPlaysFirst = TRUE;
11272 currentMove = 1; /* kludge */
11273 DisplayBothClocks();
11275 } else if (gameMode == IcsExamining) {
11276 SendToICS(ics_prefix);
11277 SendToICS("tomove black\n");
11282 EditPositionMenuEvent(selection, x, y)
11283 ChessSquare selection;
11287 ChessSquare piece = boards[0][y][x];
11289 if (gameMode != EditPosition && gameMode != IcsExamining) return;
11291 switch (selection) {
11293 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
11294 SendToICS(ics_prefix);
11295 SendToICS("bsetup clear\n");
11296 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
11297 SendToICS(ics_prefix);
11298 SendToICS("clearboard\n");
11300 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
11301 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
11302 for (y = 0; y < BOARD_HEIGHT; y++) {
11303 if (gameMode == IcsExamining) {
11304 if (boards[currentMove][y][x] != EmptySquare) {
11305 sprintf(buf, "%sx@%c%c\n", ics_prefix,
11310 boards[0][y][x] = p;
11315 if (gameMode == EditPosition) {
11316 DrawPosition(FALSE, boards[0]);
11321 SetWhiteToPlayEvent();
11325 SetBlackToPlayEvent();
11329 if (gameMode == IcsExamining) {
11330 sprintf(buf, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
11333 boards[0][y][x] = EmptySquare;
11334 DrawPosition(FALSE, boards[0]);
11339 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
11340 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
11341 selection = (ChessSquare) (PROMOTED piece);
11342 } else if(piece == EmptySquare) selection = WhiteSilver;
11343 else selection = (ChessSquare)((int)piece - 1);
11347 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
11348 piece > (int)BlackMan && piece <= (int)BlackKing ) {
11349 selection = (ChessSquare) (DEMOTED piece);
11350 } else if(piece == EmptySquare) selection = BlackSilver;
11351 else selection = (ChessSquare)((int)piece + 1);
11356 if(gameInfo.variant == VariantShatranj ||
11357 gameInfo.variant == VariantXiangqi ||
11358 gameInfo.variant == VariantCourier )
11359 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
11364 if(gameInfo.variant == VariantXiangqi)
11365 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
11366 if(gameInfo.variant == VariantKnightmate)
11367 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
11370 if (gameMode == IcsExamining) {
11371 sprintf(buf, "%s%c@%c%c\n", ics_prefix,
11372 PieceToChar(selection), AAA + x, ONE + y);
11375 boards[0][y][x] = selection;
11376 DrawPosition(FALSE, boards[0]);
11384 DropMenuEvent(selection, x, y)
11385 ChessSquare selection;
11388 ChessMove moveType;
11390 switch (gameMode) {
11391 case IcsPlayingWhite:
11392 case MachinePlaysBlack:
11393 if (!WhiteOnMove(currentMove)) {
11394 DisplayMoveError(_("It is Black's turn"));
11397 moveType = WhiteDrop;
11399 case IcsPlayingBlack:
11400 case MachinePlaysWhite:
11401 if (WhiteOnMove(currentMove)) {
11402 DisplayMoveError(_("It is White's turn"));
11405 moveType = BlackDrop;
11408 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
11414 if (moveType == BlackDrop && selection < BlackPawn) {
11415 selection = (ChessSquare) ((int) selection
11416 + (int) BlackPawn - (int) WhitePawn);
11418 if (boards[currentMove][y][x] != EmptySquare) {
11419 DisplayMoveError(_("That square is occupied"));
11423 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
11429 /* Accept a pending offer of any kind from opponent */
11431 if (appData.icsActive) {
11432 SendToICS(ics_prefix);
11433 SendToICS("accept\n");
11434 } else if (cmailMsgLoaded) {
11435 if (currentMove == cmailOldMove &&
11436 commentList[cmailOldMove] != NULL &&
11437 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
11438 "Black offers a draw" : "White offers a draw")) {
11440 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11441 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
11443 DisplayError(_("There is no pending offer on this move"), 0);
11444 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11447 /* Not used for offers from chess program */
11454 /* Decline a pending offer of any kind from opponent */
11456 if (appData.icsActive) {
11457 SendToICS(ics_prefix);
11458 SendToICS("decline\n");
11459 } else if (cmailMsgLoaded) {
11460 if (currentMove == cmailOldMove &&
11461 commentList[cmailOldMove] != NULL &&
11462 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
11463 "Black offers a draw" : "White offers a draw")) {
11465 AppendComment(cmailOldMove, "Draw declined");
11466 DisplayComment(cmailOldMove - 1, "Draw declined");
11469 DisplayError(_("There is no pending offer on this move"), 0);
11472 /* Not used for offers from chess program */
11479 /* Issue ICS rematch command */
11480 if (appData.icsActive) {
11481 SendToICS(ics_prefix);
11482 SendToICS("rematch\n");
11489 /* Call your opponent's flag (claim a win on time) */
11490 if (appData.icsActive) {
11491 SendToICS(ics_prefix);
11492 SendToICS("flag\n");
11494 switch (gameMode) {
11497 case MachinePlaysWhite:
11500 GameEnds(GameIsDrawn, "Both players ran out of time",
11503 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
11505 DisplayError(_("Your opponent is not out of time"), 0);
11508 case MachinePlaysBlack:
11511 GameEnds(GameIsDrawn, "Both players ran out of time",
11514 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
11516 DisplayError(_("Your opponent is not out of time"), 0);
11526 /* Offer draw or accept pending draw offer from opponent */
11528 if (appData.icsActive) {
11529 /* Note: tournament rules require draw offers to be
11530 made after you make your move but before you punch
11531 your clock. Currently ICS doesn't let you do that;
11532 instead, you immediately punch your clock after making
11533 a move, but you can offer a draw at any time. */
11535 SendToICS(ics_prefix);
11536 SendToICS("draw\n");
11537 } else if (cmailMsgLoaded) {
11538 if (currentMove == cmailOldMove &&
11539 commentList[cmailOldMove] != NULL &&
11540 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
11541 "Black offers a draw" : "White offers a draw")) {
11542 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11543 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
11544 } else if (currentMove == cmailOldMove + 1) {
11545 char *offer = WhiteOnMove(cmailOldMove) ?
11546 "White offers a draw" : "Black offers a draw";
11547 AppendComment(currentMove, offer);
11548 DisplayComment(currentMove - 1, offer);
11549 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
11551 DisplayError(_("You must make your move before offering a draw"), 0);
11552 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11554 } else if (first.offeredDraw) {
11555 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
11557 if (first.sendDrawOffers) {
11558 SendToProgram("draw\n", &first);
11559 userOfferedDraw = TRUE;
11567 /* Offer Adjourn or accept pending Adjourn offer from opponent */
11569 if (appData.icsActive) {
11570 SendToICS(ics_prefix);
11571 SendToICS("adjourn\n");
11573 /* Currently GNU Chess doesn't offer or accept Adjourns */
11581 /* Offer Abort or accept pending Abort offer from opponent */
11583 if (appData.icsActive) {
11584 SendToICS(ics_prefix);
11585 SendToICS("abort\n");
11587 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
11594 /* Resign. You can do this even if it's not your turn. */
11596 if (appData.icsActive) {
11597 SendToICS(ics_prefix);
11598 SendToICS("resign\n");
11600 switch (gameMode) {
11601 case MachinePlaysWhite:
11602 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11604 case MachinePlaysBlack:
11605 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11608 if (cmailMsgLoaded) {
11610 if (WhiteOnMove(cmailOldMove)) {
11611 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11613 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11615 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
11626 StopObservingEvent()
11628 /* Stop observing current games */
11629 SendToICS(ics_prefix);
11630 SendToICS("unobserve\n");
11634 StopExaminingEvent()
11636 /* Stop observing current game */
11637 SendToICS(ics_prefix);
11638 SendToICS("unexamine\n");
11642 ForwardInner(target)
11647 if (appData.debugMode)
11648 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
11649 target, currentMove, forwardMostMove);
11651 if (gameMode == EditPosition)
11654 if (gameMode == PlayFromGameFile && !pausing)
11657 if (gameMode == IcsExamining && pausing)
11658 limit = pauseExamForwardMostMove;
11660 limit = forwardMostMove;
11662 if (target > limit) target = limit;
11664 if (target > 0 && moveList[target - 1][0]) {
11665 int fromX, fromY, toX, toY;
11666 toX = moveList[target - 1][2] - AAA;
11667 toY = moveList[target - 1][3] - ONE;
11668 if (moveList[target - 1][1] == '@') {
11669 if (appData.highlightLastMove) {
11670 SetHighlights(-1, -1, toX, toY);
11673 fromX = moveList[target - 1][0] - AAA;
11674 fromY = moveList[target - 1][1] - ONE;
11675 if (target == currentMove + 1) {
11676 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11678 if (appData.highlightLastMove) {
11679 SetHighlights(fromX, fromY, toX, toY);
11683 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11684 gameMode == Training || gameMode == PlayFromGameFile ||
11685 gameMode == AnalyzeFile) {
11686 while (currentMove < target) {
11687 SendMoveToProgram(currentMove++, &first);
11690 currentMove = target;
11693 if (gameMode == EditGame || gameMode == EndOfGame) {
11694 whiteTimeRemaining = timeRemaining[0][currentMove];
11695 blackTimeRemaining = timeRemaining[1][currentMove];
11697 DisplayBothClocks();
11698 DisplayMove(currentMove - 1);
11699 DrawPosition(FALSE, boards[currentMove]);
11700 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
11701 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
11702 DisplayComment(currentMove - 1, commentList[currentMove]);
11710 if (gameMode == IcsExamining && !pausing) {
11711 SendToICS(ics_prefix);
11712 SendToICS("forward\n");
11714 ForwardInner(currentMove + 1);
11721 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
11722 /* to optimze, we temporarily turn off analysis mode while we feed
11723 * the remaining moves to the engine. Otherwise we get analysis output
11726 if (first.analysisSupport) {
11727 SendToProgram("exit\nforce\n", &first);
11728 first.analyzing = FALSE;
11732 if (gameMode == IcsExamining && !pausing) {
11733 SendToICS(ics_prefix);
11734 SendToICS("forward 999999\n");
11736 ForwardInner(forwardMostMove);
11739 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
11740 /* we have fed all the moves, so reactivate analysis mode */
11741 SendToProgram("analyze\n", &first);
11742 first.analyzing = TRUE;
11743 /*first.maybeThinking = TRUE;*/
11744 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11749 BackwardInner(target)
11752 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
11754 if (appData.debugMode)
11755 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
11756 target, currentMove, forwardMostMove);
11758 if (gameMode == EditPosition) return;
11759 if (currentMove <= backwardMostMove) {
11761 DrawPosition(full_redraw, boards[currentMove]);
11764 if (gameMode == PlayFromGameFile && !pausing)
11767 if (moveList[target][0]) {
11768 int fromX, fromY, toX, toY;
11769 toX = moveList[target][2] - AAA;
11770 toY = moveList[target][3] - ONE;
11771 if (moveList[target][1] == '@') {
11772 if (appData.highlightLastMove) {
11773 SetHighlights(-1, -1, toX, toY);
11776 fromX = moveList[target][0] - AAA;
11777 fromY = moveList[target][1] - ONE;
11778 if (target == currentMove - 1) {
11779 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
11781 if (appData.highlightLastMove) {
11782 SetHighlights(fromX, fromY, toX, toY);
11786 if (gameMode == EditGame || gameMode==AnalyzeMode ||
11787 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
11788 while (currentMove > target) {
11789 SendToProgram("undo\n", &first);
11793 currentMove = target;
11796 if (gameMode == EditGame || gameMode == EndOfGame) {
11797 whiteTimeRemaining = timeRemaining[0][currentMove];
11798 blackTimeRemaining = timeRemaining[1][currentMove];
11800 DisplayBothClocks();
11801 DisplayMove(currentMove - 1);
11802 DrawPosition(full_redraw, boards[currentMove]);
11803 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
11804 // [HGM] PV info: routine tests if comment empty
11805 DisplayComment(currentMove - 1, commentList[currentMove]);
11811 if (gameMode == IcsExamining && !pausing) {
11812 SendToICS(ics_prefix);
11813 SendToICS("backward\n");
11815 BackwardInner(currentMove - 1);
11822 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
11823 /* to optimze, we temporarily turn off analysis mode while we undo
11824 * all the moves. Otherwise we get analysis output after each undo.
11826 if (first.analysisSupport) {
11827 SendToProgram("exit\nforce\n", &first);
11828 first.analyzing = FALSE;
11832 if (gameMode == IcsExamining && !pausing) {
11833 SendToICS(ics_prefix);
11834 SendToICS("backward 999999\n");
11836 BackwardInner(backwardMostMove);
11839 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
11840 /* we have fed all the moves, so reactivate analysis mode */
11841 SendToProgram("analyze\n", &first);
11842 first.analyzing = TRUE;
11843 /*first.maybeThinking = TRUE;*/
11844 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11851 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
11852 if (to >= forwardMostMove) to = forwardMostMove;
11853 if (to <= backwardMostMove) to = backwardMostMove;
11854 if (to < currentMove) {
11864 if (gameMode != IcsExamining) {
11865 DisplayError(_("You are not examining a game"), 0);
11869 DisplayError(_("You can't revert while pausing"), 0);
11872 SendToICS(ics_prefix);
11873 SendToICS("revert\n");
11879 switch (gameMode) {
11880 case MachinePlaysWhite:
11881 case MachinePlaysBlack:
11882 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11883 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11886 if (forwardMostMove < 2) return;
11887 currentMove = forwardMostMove = forwardMostMove - 2;
11888 whiteTimeRemaining = timeRemaining[0][currentMove];
11889 blackTimeRemaining = timeRemaining[1][currentMove];
11890 DisplayBothClocks();
11891 DisplayMove(currentMove - 1);
11892 ClearHighlights();/*!! could figure this out*/
11893 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
11894 SendToProgram("remove\n", &first);
11895 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
11898 case BeginningOfGame:
11902 case IcsPlayingWhite:
11903 case IcsPlayingBlack:
11904 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
11905 SendToICS(ics_prefix);
11906 SendToICS("takeback 2\n");
11908 SendToICS(ics_prefix);
11909 SendToICS("takeback 1\n");
11918 ChessProgramState *cps;
11920 switch (gameMode) {
11921 case MachinePlaysWhite:
11922 if (!WhiteOnMove(forwardMostMove)) {
11923 DisplayError(_("It is your turn"), 0);
11928 case MachinePlaysBlack:
11929 if (WhiteOnMove(forwardMostMove)) {
11930 DisplayError(_("It is your turn"), 0);
11935 case TwoMachinesPlay:
11936 if (WhiteOnMove(forwardMostMove) ==
11937 (first.twoMachinesColor[0] == 'w')) {
11943 case BeginningOfGame:
11947 SendToProgram("?\n", cps);
11951 TruncateGameEvent()
11954 if (gameMode != EditGame) return;
11961 if (forwardMostMove > currentMove) {
11962 if (gameInfo.resultDetails != NULL) {
11963 free(gameInfo.resultDetails);
11964 gameInfo.resultDetails = NULL;
11965 gameInfo.result = GameUnfinished;
11967 forwardMostMove = currentMove;
11968 HistorySet(parseList, backwardMostMove, forwardMostMove,
11976 if (appData.noChessProgram) return;
11977 switch (gameMode) {
11978 case MachinePlaysWhite:
11979 if (WhiteOnMove(forwardMostMove)) {
11980 DisplayError(_("Wait until your turn"), 0);
11984 case BeginningOfGame:
11985 case MachinePlaysBlack:
11986 if (!WhiteOnMove(forwardMostMove)) {
11987 DisplayError(_("Wait until your turn"), 0);
11992 DisplayError(_("No hint available"), 0);
11995 SendToProgram("hint\n", &first);
11996 hintRequested = TRUE;
12002 if (appData.noChessProgram) return;
12003 switch (gameMode) {
12004 case MachinePlaysWhite:
12005 if (WhiteOnMove(forwardMostMove)) {
12006 DisplayError(_("Wait until your turn"), 0);
12010 case BeginningOfGame:
12011 case MachinePlaysBlack:
12012 if (!WhiteOnMove(forwardMostMove)) {
12013 DisplayError(_("Wait until your turn"), 0);
12018 EditPositionDone();
12020 case TwoMachinesPlay:
12025 SendToProgram("bk\n", &first);
12026 bookOutput[0] = NULLCHAR;
12027 bookRequested = TRUE;
12033 char *tags = PGNTags(&gameInfo);
12034 TagsPopUp(tags, CmailMsg());
12038 /* end button procedures */
12041 PrintPosition(fp, move)
12047 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12048 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
12049 char c = PieceToChar(boards[move][i][j]);
12050 fputc(c == 'x' ? '.' : c, fp);
12051 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
12054 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
12055 fprintf(fp, "white to play\n");
12057 fprintf(fp, "black to play\n");
12064 if (gameInfo.white != NULL) {
12065 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
12071 /* Find last component of program's own name, using some heuristics */
12073 TidyProgramName(prog, host, buf)
12074 char *prog, *host, buf[MSG_SIZ];
12077 int local = (strcmp(host, "localhost") == 0);
12078 while (!local && (p = strchr(prog, ';')) != NULL) {
12080 while (*p == ' ') p++;
12083 if (*prog == '"' || *prog == '\'') {
12084 q = strchr(prog + 1, *prog);
12086 q = strchr(prog, ' ');
12088 if (q == NULL) q = prog + strlen(prog);
12090 while (p >= prog && *p != '/' && *p != '\\') p--;
12092 if(p == prog && *p == '"') p++;
12093 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
12094 memcpy(buf, p, q - p);
12095 buf[q - p] = NULLCHAR;
12103 TimeControlTagValue()
12106 if (!appData.clockMode) {
12108 } else if (movesPerSession > 0) {
12109 sprintf(buf, "%d/%ld", movesPerSession, timeControl/1000);
12110 } else if (timeIncrement == 0) {
12111 sprintf(buf, "%ld", timeControl/1000);
12113 sprintf(buf, "%ld+%ld", timeControl/1000, timeIncrement/1000);
12115 return StrSave(buf);
12121 /* This routine is used only for certain modes */
12122 VariantClass v = gameInfo.variant;
12123 ClearGameInfo(&gameInfo);
12124 gameInfo.variant = v;
12126 switch (gameMode) {
12127 case MachinePlaysWhite:
12128 gameInfo.event = StrSave( appData.pgnEventHeader );
12129 gameInfo.site = StrSave(HostName());
12130 gameInfo.date = PGNDate();
12131 gameInfo.round = StrSave("-");
12132 gameInfo.white = StrSave(first.tidy);
12133 gameInfo.black = StrSave(UserName());
12134 gameInfo.timeControl = TimeControlTagValue();
12137 case MachinePlaysBlack:
12138 gameInfo.event = StrSave( appData.pgnEventHeader );
12139 gameInfo.site = StrSave(HostName());
12140 gameInfo.date = PGNDate();
12141 gameInfo.round = StrSave("-");
12142 gameInfo.white = StrSave(UserName());
12143 gameInfo.black = StrSave(first.tidy);
12144 gameInfo.timeControl = TimeControlTagValue();
12147 case TwoMachinesPlay:
12148 gameInfo.event = StrSave( appData.pgnEventHeader );
12149 gameInfo.site = StrSave(HostName());
12150 gameInfo.date = PGNDate();
12151 if (matchGame > 0) {
12153 sprintf(buf, "%d", matchGame);
12154 gameInfo.round = StrSave(buf);
12156 gameInfo.round = StrSave("-");
12158 if (first.twoMachinesColor[0] == 'w') {
12159 gameInfo.white = StrSave(first.tidy);
12160 gameInfo.black = StrSave(second.tidy);
12162 gameInfo.white = StrSave(second.tidy);
12163 gameInfo.black = StrSave(first.tidy);
12165 gameInfo.timeControl = TimeControlTagValue();
12169 gameInfo.event = StrSave("Edited game");
12170 gameInfo.site = StrSave(HostName());
12171 gameInfo.date = PGNDate();
12172 gameInfo.round = StrSave("-");
12173 gameInfo.white = StrSave("-");
12174 gameInfo.black = StrSave("-");
12178 gameInfo.event = StrSave("Edited position");
12179 gameInfo.site = StrSave(HostName());
12180 gameInfo.date = PGNDate();
12181 gameInfo.round = StrSave("-");
12182 gameInfo.white = StrSave("-");
12183 gameInfo.black = StrSave("-");
12186 case IcsPlayingWhite:
12187 case IcsPlayingBlack:
12192 case PlayFromGameFile:
12193 gameInfo.event = StrSave("Game from non-PGN file");
12194 gameInfo.site = StrSave(HostName());
12195 gameInfo.date = PGNDate();
12196 gameInfo.round = StrSave("-");
12197 gameInfo.white = StrSave("?");
12198 gameInfo.black = StrSave("?");
12207 ReplaceComment(index, text)
12213 while (*text == '\n') text++;
12214 len = strlen(text);
12215 while (len > 0 && text[len - 1] == '\n') len--;
12217 if (commentList[index] != NULL)
12218 free(commentList[index]);
12221 commentList[index] = NULL;
12224 commentList[index] = (char *) malloc(len + 2);
12225 strncpy(commentList[index], text, len);
12226 commentList[index][len] = '\n';
12227 commentList[index][len + 1] = NULLCHAR;
12240 if (ch == '\r') continue;
12242 } while (ch != '\0');
12246 AppendComment(index, text)
12253 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
12256 while (*text == '\n') text++;
12257 len = strlen(text);
12258 while (len > 0 && text[len - 1] == '\n') len--;
12260 if (len == 0) return;
12262 if (commentList[index] != NULL) {
12263 old = commentList[index];
12264 oldlen = strlen(old);
12265 commentList[index] = (char *) malloc(oldlen + len + 2);
12266 strcpy(commentList[index], old);
12268 strncpy(&commentList[index][oldlen], text, len);
12269 commentList[index][oldlen + len] = '\n';
12270 commentList[index][oldlen + len + 1] = NULLCHAR;
12272 commentList[index] = (char *) malloc(len + 2);
12273 strncpy(commentList[index], text, len);
12274 commentList[index][len] = '\n';
12275 commentList[index][len + 1] = NULLCHAR;
12279 static char * FindStr( char * text, char * sub_text )
12281 char * result = strstr( text, sub_text );
12283 if( result != NULL ) {
12284 result += strlen( sub_text );
12290 /* [AS] Try to extract PV info from PGN comment */
12291 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
12292 char *GetInfoFromComment( int index, char * text )
12296 if( text != NULL && index > 0 ) {
12299 int time = -1, sec = 0, deci;
12300 char * s_eval = FindStr( text, "[%eval " );
12301 char * s_emt = FindStr( text, "[%emt " );
12303 if( s_eval != NULL || s_emt != NULL ) {
12307 if( s_eval != NULL ) {
12308 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
12312 if( delim != ']' ) {
12317 if( s_emt != NULL ) {
12321 /* We expect something like: [+|-]nnn.nn/dd */
12324 sep = strchr( text, '/' );
12325 if( sep == NULL || sep < (text+4) ) {
12329 time = -1; sec = -1; deci = -1;
12330 if( sscanf( text, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
12331 sscanf( text, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
12332 sscanf( text, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
12333 sscanf( text, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
12337 if( score_lo < 0 || score_lo >= 100 ) {
12341 if(sec >= 0) time = 600*time + 10*sec; else
12342 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
12344 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
12346 /* [HGM] PV time: now locate end of PV info */
12347 while( *++sep >= '0' && *sep <= '9'); // strip depth
12349 while( *++sep >= '0' && *sep <= '9'); // strip time
12351 while( *++sep >= '0' && *sep <= '9'); // strip seconds
12353 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
12354 while(*sep == ' ') sep++;
12365 pvInfoList[index-1].depth = depth;
12366 pvInfoList[index-1].score = score;
12367 pvInfoList[index-1].time = 10*time; // centi-sec
12373 SendToProgram(message, cps)
12375 ChessProgramState *cps;
12377 int count, outCount, error;
12380 if (cps->pr == NULL) return;
12383 if (appData.debugMode) {
12386 fprintf(debugFP, "%ld >%-6s: %s",
12387 SubtractTimeMarks(&now, &programStartTime),
12388 cps->which, message);
12391 count = strlen(message);
12392 outCount = OutputToProcess(cps->pr, message, count, &error);
12393 if (outCount < count && !exiting
12394 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
12395 sprintf(buf, _("Error writing to %s chess program"), cps->which);
12396 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
12397 if(epStatus[forwardMostMove] <= EP_DRAWS) {
12398 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
12399 sprintf(buf, "%s program exits in draw position (%s)", cps->which, cps->program);
12401 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
12403 gameInfo.resultDetails = buf;
12405 DisplayFatalError(buf, error, 1);
12410 ReceiveFromProgram(isr, closure, message, count, error)
12411 InputSourceRef isr;
12419 ChessProgramState *cps = (ChessProgramState *)closure;
12421 if (isr != cps->isr) return; /* Killed intentionally */
12425 _("Error: %s chess program (%s) exited unexpectedly"),
12426 cps->which, cps->program);
12427 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
12428 if(epStatus[forwardMostMove] <= EP_DRAWS) {
12429 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
12430 sprintf(buf, _("%s program exits in draw position (%s)"), cps->which, cps->program);
12432 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
12434 gameInfo.resultDetails = buf;
12436 RemoveInputSource(cps->isr);
12437 DisplayFatalError(buf, 0, 1);
12440 _("Error reading from %s chess program (%s)"),
12441 cps->which, cps->program);
12442 RemoveInputSource(cps->isr);
12444 /* [AS] Program is misbehaving badly... kill it */
12445 if( count == -2 ) {
12446 DestroyChildProcess( cps->pr, 9 );
12450 DisplayFatalError(buf, error, 1);
12455 if ((end_str = strchr(message, '\r')) != NULL)
12456 *end_str = NULLCHAR;
12457 if ((end_str = strchr(message, '\n')) != NULL)
12458 *end_str = NULLCHAR;
12460 if (appData.debugMode) {
12461 TimeMark now; int print = 1;
12462 char *quote = ""; char c; int i;
12464 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
12465 char start = message[0];
12466 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
12467 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
12468 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
12469 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
12470 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
12471 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
12472 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
12473 sscanf(message, "pong %c", &c)!=1 && start != '#')
12474 { quote = "# "; print = (appData.engineComments == 2); }
12475 message[0] = start; // restore original message
12479 fprintf(debugFP, "%ld <%-6s: %s%s\n",
12480 SubtractTimeMarks(&now, &programStartTime), cps->which,
12486 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
12487 if (appData.icsEngineAnalyze) {
12488 if (strstr(message, "whisper") != NULL ||
12489 strstr(message, "kibitz") != NULL ||
12490 strstr(message, "tellics") != NULL) return;
12493 HandleMachineMove(message, cps);
12498 SendTimeControl(cps, mps, tc, inc, sd, st)
12499 ChessProgramState *cps;
12500 int mps, inc, sd, st;
12506 if( timeControl_2 > 0 ) {
12507 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
12508 tc = timeControl_2;
12511 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
12512 inc /= cps->timeOdds;
12513 st /= cps->timeOdds;
12515 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
12518 /* Set exact time per move, normally using st command */
12519 if (cps->stKludge) {
12520 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
12522 if (seconds == 0) {
12523 sprintf(buf, "level 1 %d\n", st/60);
12525 sprintf(buf, "level 1 %d:%02d\n", st/60, seconds);
12528 sprintf(buf, "st %d\n", st);
12531 /* Set conventional or incremental time control, using level command */
12532 if (seconds == 0) {
12533 /* Note old gnuchess bug -- minutes:seconds used to not work.
12534 Fixed in later versions, but still avoid :seconds
12535 when seconds is 0. */
12536 sprintf(buf, "level %d %ld %d\n", mps, tc/60000, inc/1000);
12538 sprintf(buf, "level %d %ld:%02d %d\n", mps, tc/60000,
12539 seconds, inc/1000);
12542 SendToProgram(buf, cps);
12544 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
12545 /* Orthogonally, limit search to given depth */
12547 if (cps->sdKludge) {
12548 sprintf(buf, "depth\n%d\n", sd);
12550 sprintf(buf, "sd %d\n", sd);
12552 SendToProgram(buf, cps);
12555 if(cps->nps > 0) { /* [HGM] nps */
12556 if(cps->supportsNPS == FALSE) cps->nps = -1; // don't use if engine explicitly says not supported!
12558 sprintf(buf, "nps %d\n", cps->nps);
12559 SendToProgram(buf, cps);
12564 ChessProgramState *WhitePlayer()
12565 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
12567 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
12568 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
12574 SendTimeRemaining(cps, machineWhite)
12575 ChessProgramState *cps;
12576 int /*boolean*/ machineWhite;
12578 char message[MSG_SIZ];
12581 /* Note: this routine must be called when the clocks are stopped
12582 or when they have *just* been set or switched; otherwise
12583 it will be off by the time since the current tick started.
12585 if (machineWhite) {
12586 time = whiteTimeRemaining / 10;
12587 otime = blackTimeRemaining / 10;
12589 time = blackTimeRemaining / 10;
12590 otime = whiteTimeRemaining / 10;
12592 /* [HGM] translate opponent's time by time-odds factor */
12593 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
12594 if (appData.debugMode) {
12595 fprintf(debugFP, "time odds: %d %d \n", cps->timeOdds, cps->other->timeOdds);
12598 if (time <= 0) time = 1;
12599 if (otime <= 0) otime = 1;
12601 sprintf(message, "time %ld\n", time);
12602 SendToProgram(message, cps);
12604 sprintf(message, "otim %ld\n", otime);
12605 SendToProgram(message, cps);
12609 BoolFeature(p, name, loc, cps)
12613 ChessProgramState *cps;
12616 int len = strlen(name);
12618 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
12620 sscanf(*p, "%d", &val);
12622 while (**p && **p != ' ') (*p)++;
12623 sprintf(buf, "accepted %s\n", name);
12624 SendToProgram(buf, cps);
12631 IntFeature(p, name, loc, cps)
12635 ChessProgramState *cps;
12638 int len = strlen(name);
12639 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
12641 sscanf(*p, "%d", loc);
12642 while (**p && **p != ' ') (*p)++;
12643 sprintf(buf, "accepted %s\n", name);
12644 SendToProgram(buf, cps);
12651 StringFeature(p, name, loc, cps)
12655 ChessProgramState *cps;
12658 int len = strlen(name);
12659 if (strncmp((*p), name, len) == 0
12660 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
12662 sscanf(*p, "%[^\"]", loc);
12663 while (**p && **p != '\"') (*p)++;
12664 if (**p == '\"') (*p)++;
12665 sprintf(buf, "accepted %s\n", name);
12666 SendToProgram(buf, cps);
12673 ParseOption(Option *opt, ChessProgramState *cps)
12674 // [HGM] options: process the string that defines an engine option, and determine
12675 // name, type, default value, and allowed value range
12677 char *p, *q, buf[MSG_SIZ];
12678 int n, min = (-1)<<31, max = 1<<31, def;
12680 if(p = strstr(opt->name, " -spin ")) {
12681 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
12682 if(max < min) max = min; // enforce consistency
12683 if(def < min) def = min;
12684 if(def > max) def = max;
12689 } else if((p = strstr(opt->name, " -slider "))) {
12690 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
12691 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
12692 if(max < min) max = min; // enforce consistency
12693 if(def < min) def = min;
12694 if(def > max) def = max;
12698 opt->type = Spin; // Slider;
12699 } else if((p = strstr(opt->name, " -string "))) {
12700 opt->textValue = p+9;
12701 opt->type = TextBox;
12702 } else if((p = strstr(opt->name, " -file "))) {
12703 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
12704 opt->textValue = p+7;
12705 opt->type = TextBox; // FileName;
12706 } else if((p = strstr(opt->name, " -path "))) {
12707 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
12708 opt->textValue = p+7;
12709 opt->type = TextBox; // PathName;
12710 } else if(p = strstr(opt->name, " -check ")) {
12711 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
12712 opt->value = (def != 0);
12713 opt->type = CheckBox;
12714 } else if(p = strstr(opt->name, " -combo ")) {
12715 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
12716 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
12717 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
12718 opt->value = n = 0;
12719 while(q = StrStr(q, " /// ")) {
12720 n++; *q = 0; // count choices, and null-terminate each of them
12722 if(*q == '*') { // remember default, which is marked with * prefix
12726 cps->comboList[cps->comboCnt++] = q;
12728 cps->comboList[cps->comboCnt++] = NULL;
12730 opt->type = ComboBox;
12731 } else if(p = strstr(opt->name, " -button")) {
12732 opt->type = Button;
12733 } else if(p = strstr(opt->name, " -save")) {
12734 opt->type = SaveButton;
12735 } else return FALSE;
12736 *p = 0; // terminate option name
12737 // now look if the command-line options define a setting for this engine option.
12738 if(cps->optionSettings && cps->optionSettings[0])
12739 p = strstr(cps->optionSettings, opt->name); else p = NULL;
12740 if(p && (p == cps->optionSettings || p[-1] == ',')) {
12741 sprintf(buf, "option %s", p);
12742 if(p = strstr(buf, ",")) *p = 0;
12744 SendToProgram(buf, cps);
12750 FeatureDone(cps, val)
12751 ChessProgramState* cps;
12754 DelayedEventCallback cb = GetDelayedEvent();
12755 if ((cb == InitBackEnd3 && cps == &first) ||
12756 (cb == TwoMachinesEventIfReady && cps == &second)) {
12757 CancelDelayedEvent();
12758 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
12760 cps->initDone = val;
12763 /* Parse feature command from engine */
12765 ParseFeatures(args, cps)
12767 ChessProgramState *cps;
12775 while (*p == ' ') p++;
12776 if (*p == NULLCHAR) return;
12778 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
12779 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
12780 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
12781 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
12782 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
12783 if (BoolFeature(&p, "reuse", &val, cps)) {
12784 /* Engine can disable reuse, but can't enable it if user said no */
12785 if (!val) cps->reuse = FALSE;
12788 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
12789 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
12790 if (gameMode == TwoMachinesPlay) {
12791 DisplayTwoMachinesTitle();
12797 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
12798 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
12799 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
12800 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
12801 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
12802 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
12803 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
12804 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
12805 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
12806 if (IntFeature(&p, "done", &val, cps)) {
12807 FeatureDone(cps, val);
12810 /* Added by Tord: */
12811 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
12812 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
12813 /* End of additions by Tord */
12815 /* [HGM] added features: */
12816 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
12817 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
12818 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
12819 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
12820 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
12821 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
12822 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
12823 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
12824 sprintf(buf, "rejected option %s\n", cps->option[--cps->nrOptions].name);
12825 SendToProgram(buf, cps);
12828 if(cps->nrOptions >= MAX_OPTIONS) {
12830 sprintf(buf, "%s engine has too many options\n", cps->which);
12831 DisplayError(buf, 0);
12835 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
12836 /* End of additions by HGM */
12838 /* unknown feature: complain and skip */
12840 while (*q && *q != '=') q++;
12841 sprintf(buf, "rejected %.*s\n", q-p, p);
12842 SendToProgram(buf, cps);
12848 while (*p && *p != '\"') p++;
12849 if (*p == '\"') p++;
12851 while (*p && *p != ' ') p++;
12859 PeriodicUpdatesEvent(newState)
12862 if (newState == appData.periodicUpdates)
12865 appData.periodicUpdates=newState;
12867 /* Display type changes, so update it now */
12868 // DisplayAnalysis();
12870 /* Get the ball rolling again... */
12872 AnalysisPeriodicEvent(1);
12873 StartAnalysisClock();
12878 PonderNextMoveEvent(newState)
12881 if (newState == appData.ponderNextMove) return;
12882 if (gameMode == EditPosition) EditPositionDone();
12884 SendToProgram("hard\n", &first);
12885 if (gameMode == TwoMachinesPlay) {
12886 SendToProgram("hard\n", &second);
12889 SendToProgram("easy\n", &first);
12890 thinkOutput[0] = NULLCHAR;
12891 if (gameMode == TwoMachinesPlay) {
12892 SendToProgram("easy\n", &second);
12895 appData.ponderNextMove = newState;
12899 NewSettingEvent(option, command, value)
12905 if (gameMode == EditPosition) EditPositionDone();
12906 sprintf(buf, "%s%s %d\n", (option ? "option ": ""), command, value);
12907 SendToProgram(buf, &first);
12908 if (gameMode == TwoMachinesPlay) {
12909 SendToProgram(buf, &second);
12914 ShowThinkingEvent()
12915 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
12917 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
12918 int newState = appData.showThinking
12919 // [HGM] thinking: other features now need thinking output as well
12920 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
12922 if (oldState == newState) return;
12923 oldState = newState;
12924 if (gameMode == EditPosition) EditPositionDone();
12926 SendToProgram("post\n", &first);
12927 if (gameMode == TwoMachinesPlay) {
12928 SendToProgram("post\n", &second);
12931 SendToProgram("nopost\n", &first);
12932 thinkOutput[0] = NULLCHAR;
12933 if (gameMode == TwoMachinesPlay) {
12934 SendToProgram("nopost\n", &second);
12937 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
12941 AskQuestionEvent(title, question, replyPrefix, which)
12942 char *title; char *question; char *replyPrefix; char *which;
12944 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
12945 if (pr == NoProc) return;
12946 AskQuestion(title, question, replyPrefix, pr);
12950 DisplayMove(moveNumber)
12953 char message[MSG_SIZ];
12955 char cpThinkOutput[MSG_SIZ];
12957 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
12959 if (moveNumber == forwardMostMove - 1 ||
12960 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12962 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput));
12964 if (strchr(cpThinkOutput, '\n')) {
12965 *strchr(cpThinkOutput, '\n') = NULLCHAR;
12968 *cpThinkOutput = NULLCHAR;
12971 /* [AS] Hide thinking from human user */
12972 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
12973 *cpThinkOutput = NULLCHAR;
12974 if( thinkOutput[0] != NULLCHAR ) {
12977 for( i=0; i<=hiddenThinkOutputState; i++ ) {
12978 cpThinkOutput[i] = '.';
12980 cpThinkOutput[i] = NULLCHAR;
12981 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
12985 if (moveNumber == forwardMostMove - 1 &&
12986 gameInfo.resultDetails != NULL) {
12987 if (gameInfo.resultDetails[0] == NULLCHAR) {
12988 sprintf(res, " %s", PGNResult(gameInfo.result));
12990 sprintf(res, " {%s} %s",
12991 gameInfo.resultDetails, PGNResult(gameInfo.result));
12997 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
12998 DisplayMessage(res, cpThinkOutput);
13000 sprintf(message, "%d.%s%s%s", moveNumber / 2 + 1,
13001 WhiteOnMove(moveNumber) ? " " : ".. ",
13002 parseList[moveNumber], res);
13003 DisplayMessage(message, cpThinkOutput);
13008 DisplayComment(moveNumber, text)
13012 char title[MSG_SIZ];
13013 char buf[8000]; // comment can be long!
13016 if( appData.autoDisplayComment ) {
13017 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
13018 strcpy(title, "Comment");
13020 sprintf(title, "Comment on %d.%s%s", moveNumber / 2 + 1,
13021 WhiteOnMove(moveNumber) ? " " : ".. ",
13022 parseList[moveNumber]);
13024 // [HGM] PV info: display PV info together with (or as) comment
13025 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
13026 if(text == NULL) text = "";
13027 score = pvInfoList[moveNumber].score;
13028 sprintf(buf, "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
13029 depth, (pvInfoList[moveNumber].time+50)/100, text);
13032 } else title[0] = 0;
13035 CommentPopUp(title, text);
13038 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
13039 * might be busy thinking or pondering. It can be omitted if your
13040 * gnuchess is configured to stop thinking immediately on any user
13041 * input. However, that gnuchess feature depends on the FIONREAD
13042 * ioctl, which does not work properly on some flavors of Unix.
13046 ChessProgramState *cps;
13049 if (!cps->useSigint) return;
13050 if (appData.noChessProgram || (cps->pr == NoProc)) return;
13051 switch (gameMode) {
13052 case MachinePlaysWhite:
13053 case MachinePlaysBlack:
13054 case TwoMachinesPlay:
13055 case IcsPlayingWhite:
13056 case IcsPlayingBlack:
13059 /* Skip if we know it isn't thinking */
13060 if (!cps->maybeThinking) return;
13061 if (appData.debugMode)
13062 fprintf(debugFP, "Interrupting %s\n", cps->which);
13063 InterruptChildProcess(cps->pr);
13064 cps->maybeThinking = FALSE;
13069 #endif /*ATTENTION*/
13075 if (whiteTimeRemaining <= 0) {
13078 if (appData.icsActive) {
13079 if (appData.autoCallFlag &&
13080 gameMode == IcsPlayingBlack && !blackFlag) {
13081 SendToICS(ics_prefix);
13082 SendToICS("flag\n");
13086 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
13088 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
13089 if (appData.autoCallFlag) {
13090 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
13097 if (blackTimeRemaining <= 0) {
13100 if (appData.icsActive) {
13101 if (appData.autoCallFlag &&
13102 gameMode == IcsPlayingWhite && !whiteFlag) {
13103 SendToICS(ics_prefix);
13104 SendToICS("flag\n");
13108 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
13110 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
13111 if (appData.autoCallFlag) {
13112 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
13125 if (!appData.clockMode || appData.icsActive ||
13126 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
13129 * add time to clocks when time control is achieved ([HGM] now also used for increment)
13131 if ( !WhiteOnMove(forwardMostMove) )
13132 /* White made time control */
13133 whiteTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
13134 /* [HGM] time odds: correct new time quota for time odds! */
13135 / WhitePlayer()->timeOdds;
13137 /* Black made time control */
13138 blackTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
13139 / WhitePlayer()->other->timeOdds;
13143 DisplayBothClocks()
13145 int wom = gameMode == EditPosition ?
13146 !blackPlaysFirst : WhiteOnMove(currentMove);
13147 DisplayWhiteClock(whiteTimeRemaining, wom);
13148 DisplayBlackClock(blackTimeRemaining, !wom);
13152 /* Timekeeping seems to be a portability nightmare. I think everyone
13153 has ftime(), but I'm really not sure, so I'm including some ifdefs
13154 to use other calls if you don't. Clocks will be less accurate if
13155 you have neither ftime nor gettimeofday.
13158 /* VS 2008 requires the #include outside of the function */
13159 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
13160 #include <sys/timeb.h>
13163 /* Get the current time as a TimeMark */
13168 #if HAVE_GETTIMEOFDAY
13170 struct timeval timeVal;
13171 struct timezone timeZone;
13173 gettimeofday(&timeVal, &timeZone);
13174 tm->sec = (long) timeVal.tv_sec;
13175 tm->ms = (int) (timeVal.tv_usec / 1000L);
13177 #else /*!HAVE_GETTIMEOFDAY*/
13180 // include <sys/timeb.h> / moved to just above start of function
13181 struct timeb timeB;
13184 tm->sec = (long) timeB.time;
13185 tm->ms = (int) timeB.millitm;
13187 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
13188 tm->sec = (long) time(NULL);
13194 /* Return the difference in milliseconds between two
13195 time marks. We assume the difference will fit in a long!
13198 SubtractTimeMarks(tm2, tm1)
13199 TimeMark *tm2, *tm1;
13201 return 1000L*(tm2->sec - tm1->sec) +
13202 (long) (tm2->ms - tm1->ms);
13207 * Code to manage the game clocks.
13209 * In tournament play, black starts the clock and then white makes a move.
13210 * We give the human user a slight advantage if he is playing white---the
13211 * clocks don't run until he makes his first move, so it takes zero time.
13212 * Also, we don't account for network lag, so we could get out of sync
13213 * with GNU Chess's clock -- but then, referees are always right.
13216 static TimeMark tickStartTM;
13217 static long intendedTickLength;
13220 NextTickLength(timeRemaining)
13221 long timeRemaining;
13223 long nominalTickLength, nextTickLength;
13225 if (timeRemaining > 0L && timeRemaining <= 10000L)
13226 nominalTickLength = 100L;
13228 nominalTickLength = 1000L;
13229 nextTickLength = timeRemaining % nominalTickLength;
13230 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
13232 return nextTickLength;
13235 /* Adjust clock one minute up or down */
13237 AdjustClock(Boolean which, int dir)
13239 if(which) blackTimeRemaining += 60000*dir;
13240 else whiteTimeRemaining += 60000*dir;
13241 DisplayBothClocks();
13244 /* Stop clocks and reset to a fresh time control */
13248 (void) StopClockTimer();
13249 if (appData.icsActive) {
13250 whiteTimeRemaining = blackTimeRemaining = 0;
13251 } else { /* [HGM] correct new time quote for time odds */
13252 whiteTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->timeOdds;
13253 blackTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->other->timeOdds;
13255 if (whiteFlag || blackFlag) {
13257 whiteFlag = blackFlag = FALSE;
13259 DisplayBothClocks();
13262 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
13264 /* Decrement running clock by amount of time that has passed */
13268 long timeRemaining;
13269 long lastTickLength, fudge;
13272 if (!appData.clockMode) return;
13273 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
13277 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
13279 /* Fudge if we woke up a little too soon */
13280 fudge = intendedTickLength - lastTickLength;
13281 if (fudge < 0 || fudge > FUDGE) fudge = 0;
13283 if (WhiteOnMove(forwardMostMove)) {
13284 if(whiteNPS >= 0) lastTickLength = 0;
13285 timeRemaining = whiteTimeRemaining -= lastTickLength;
13286 DisplayWhiteClock(whiteTimeRemaining - fudge,
13287 WhiteOnMove(currentMove));
13289 if(blackNPS >= 0) lastTickLength = 0;
13290 timeRemaining = blackTimeRemaining -= lastTickLength;
13291 DisplayBlackClock(blackTimeRemaining - fudge,
13292 !WhiteOnMove(currentMove));
13295 if (CheckFlags()) return;
13298 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
13299 StartClockTimer(intendedTickLength);
13301 /* if the time remaining has fallen below the alarm threshold, sound the
13302 * alarm. if the alarm has sounded and (due to a takeback or time control
13303 * with increment) the time remaining has increased to a level above the
13304 * threshold, reset the alarm so it can sound again.
13307 if (appData.icsActive && appData.icsAlarm) {
13309 /* make sure we are dealing with the user's clock */
13310 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
13311 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
13314 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
13315 alarmSounded = FALSE;
13316 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
13318 alarmSounded = TRUE;
13324 /* A player has just moved, so stop the previously running
13325 clock and (if in clock mode) start the other one.
13326 We redisplay both clocks in case we're in ICS mode, because
13327 ICS gives us an update to both clocks after every move.
13328 Note that this routine is called *after* forwardMostMove
13329 is updated, so the last fractional tick must be subtracted
13330 from the color that is *not* on move now.
13335 long lastTickLength;
13337 int flagged = FALSE;
13341 if (StopClockTimer() && appData.clockMode) {
13342 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
13343 if (WhiteOnMove(forwardMostMove)) {
13344 if(blackNPS >= 0) lastTickLength = 0;
13345 blackTimeRemaining -= lastTickLength;
13346 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
13347 // if(pvInfoList[forwardMostMove-1].time == -1)
13348 pvInfoList[forwardMostMove-1].time = // use GUI time
13349 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
13351 if(whiteNPS >= 0) lastTickLength = 0;
13352 whiteTimeRemaining -= lastTickLength;
13353 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
13354 // if(pvInfoList[forwardMostMove-1].time == -1)
13355 pvInfoList[forwardMostMove-1].time =
13356 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
13358 flagged = CheckFlags();
13360 CheckTimeControl();
13362 if (flagged || !appData.clockMode) return;
13364 switch (gameMode) {
13365 case MachinePlaysBlack:
13366 case MachinePlaysWhite:
13367 case BeginningOfGame:
13368 if (pausing) return;
13372 case PlayFromGameFile:
13381 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
13382 whiteTimeRemaining : blackTimeRemaining);
13383 StartClockTimer(intendedTickLength);
13387 /* Stop both clocks */
13391 long lastTickLength;
13394 if (!StopClockTimer()) return;
13395 if (!appData.clockMode) return;
13399 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
13400 if (WhiteOnMove(forwardMostMove)) {
13401 if(whiteNPS >= 0) lastTickLength = 0;
13402 whiteTimeRemaining -= lastTickLength;
13403 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
13405 if(blackNPS >= 0) lastTickLength = 0;
13406 blackTimeRemaining -= lastTickLength;
13407 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
13412 /* Start clock of player on move. Time may have been reset, so
13413 if clock is already running, stop and restart it. */
13417 (void) StopClockTimer(); /* in case it was running already */
13418 DisplayBothClocks();
13419 if (CheckFlags()) return;
13421 if (!appData.clockMode) return;
13422 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
13424 GetTimeMark(&tickStartTM);
13425 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
13426 whiteTimeRemaining : blackTimeRemaining);
13428 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
13429 whiteNPS = blackNPS = -1;
13430 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
13431 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
13432 whiteNPS = first.nps;
13433 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
13434 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
13435 blackNPS = first.nps;
13436 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
13437 whiteNPS = second.nps;
13438 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
13439 blackNPS = second.nps;
13440 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
13442 StartClockTimer(intendedTickLength);
13449 long second, minute, hour, day;
13451 static char buf[32];
13453 if (ms > 0 && ms <= 9900) {
13454 /* convert milliseconds to tenths, rounding up */
13455 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
13457 sprintf(buf, " %03.1f ", tenths/10.0);
13461 /* convert milliseconds to seconds, rounding up */
13462 /* use floating point to avoid strangeness of integer division
13463 with negative dividends on many machines */
13464 second = (long) floor(((double) (ms + 999L)) / 1000.0);
13471 day = second / (60 * 60 * 24);
13472 second = second % (60 * 60 * 24);
13473 hour = second / (60 * 60);
13474 second = second % (60 * 60);
13475 minute = second / 60;
13476 second = second % 60;
13479 sprintf(buf, " %s%ld:%02ld:%02ld:%02ld ",
13480 sign, day, hour, minute, second);
13482 sprintf(buf, " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
13484 sprintf(buf, " %s%2ld:%02ld ", sign, minute, second);
13491 * This is necessary because some C libraries aren't ANSI C compliant yet.
13494 StrStr(string, match)
13495 char *string, *match;
13499 length = strlen(match);
13501 for (i = strlen(string) - length; i >= 0; i--, string++)
13502 if (!strncmp(match, string, length))
13509 StrCaseStr(string, match)
13510 char *string, *match;
13514 length = strlen(match);
13516 for (i = strlen(string) - length; i >= 0; i--, string++) {
13517 for (j = 0; j < length; j++) {
13518 if (ToLower(match[j]) != ToLower(string[j]))
13521 if (j == length) return string;
13535 c1 = ToLower(*s1++);
13536 c2 = ToLower(*s2++);
13537 if (c1 > c2) return 1;
13538 if (c1 < c2) return -1;
13539 if (c1 == NULLCHAR) return 0;
13548 return isupper(c) ? tolower(c) : c;
13556 return islower(c) ? toupper(c) : c;
13558 #endif /* !_amigados */
13566 if ((ret = (char *) malloc(strlen(s) + 1))) {
13573 StrSavePtr(s, savePtr)
13574 char *s, **savePtr;
13579 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
13580 strcpy(*savePtr, s);
13592 clock = time((time_t *)NULL);
13593 tm = localtime(&clock);
13594 sprintf(buf, "%04d.%02d.%02d",
13595 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
13596 return StrSave(buf);
13601 PositionToFEN(move, overrideCastling)
13603 char *overrideCastling;
13605 int i, j, fromX, fromY, toX, toY;
13612 whiteToPlay = (gameMode == EditPosition) ?
13613 !blackPlaysFirst : (move % 2 == 0);
13616 /* Piece placement data */
13617 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13619 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
13620 if (boards[move][i][j] == EmptySquare) {
13622 } else { ChessSquare piece = boards[move][i][j];
13623 if (emptycount > 0) {
13624 if(emptycount<10) /* [HGM] can be >= 10 */
13625 *p++ = '0' + emptycount;
13626 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
13629 if(PieceToChar(piece) == '+') {
13630 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
13632 piece = (ChessSquare)(DEMOTED piece);
13634 *p++ = PieceToChar(piece);
13636 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
13637 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
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; }
13652 /* [HGM] print Crazyhouse or Shogi holdings */
13653 if( gameInfo.holdingsWidth ) {
13654 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
13656 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
13657 piece = boards[move][i][BOARD_WIDTH-1];
13658 if( piece != EmptySquare )
13659 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
13660 *p++ = PieceToChar(piece);
13662 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
13663 piece = boards[move][BOARD_HEIGHT-i-1][0];
13664 if( piece != EmptySquare )
13665 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
13666 *p++ = PieceToChar(piece);
13669 if( q == p ) *p++ = '-';
13675 *p++ = whiteToPlay ? 'w' : 'b';
13678 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
13679 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' ';
13681 if(nrCastlingRights) {
13683 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
13684 /* [HGM] write directly from rights */
13685 if(castlingRights[move][2] >= 0 &&
13686 castlingRights[move][0] >= 0 )
13687 *p++ = castlingRights[move][0] + AAA + 'A' - 'a';
13688 if(castlingRights[move][2] >= 0 &&
13689 castlingRights[move][1] >= 0 )
13690 *p++ = castlingRights[move][1] + AAA + 'A' - 'a';
13691 if(castlingRights[move][5] >= 0 &&
13692 castlingRights[move][3] >= 0 )
13693 *p++ = castlingRights[move][3] + AAA;
13694 if(castlingRights[move][5] >= 0 &&
13695 castlingRights[move][4] >= 0 )
13696 *p++ = castlingRights[move][4] + AAA;
13699 /* [HGM] write true castling rights */
13700 if( nrCastlingRights == 6 ) {
13701 if(castlingRights[move][0] == BOARD_RGHT-1 &&
13702 castlingRights[move][2] >= 0 ) *p++ = 'K';
13703 if(castlingRights[move][1] == BOARD_LEFT &&
13704 castlingRights[move][2] >= 0 ) *p++ = 'Q';
13705 if(castlingRights[move][3] == BOARD_RGHT-1 &&
13706 castlingRights[move][5] >= 0 ) *p++ = 'k';
13707 if(castlingRights[move][4] == BOARD_LEFT &&
13708 castlingRights[move][5] >= 0 ) *p++ = 'q';
13711 if (q == p) *p++ = '-'; /* No castling rights */
13715 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
13716 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier ) {
13717 /* En passant target square */
13718 if (move > backwardMostMove) {
13719 fromX = moveList[move - 1][0] - AAA;
13720 fromY = moveList[move - 1][1] - ONE;
13721 toX = moveList[move - 1][2] - AAA;
13722 toY = moveList[move - 1][3] - ONE;
13723 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
13724 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
13725 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
13727 /* 2-square pawn move just happened */
13729 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
13733 } else if(move == backwardMostMove) {
13734 // [HGM] perhaps we should always do it like this, and forget the above?
13735 if(epStatus[move] >= 0) {
13736 *p++ = epStatus[move] + AAA;
13737 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
13748 /* [HGM] find reversible plies */
13749 { int i = 0, j=move;
13751 if (appData.debugMode) { int k;
13752 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
13753 for(k=backwardMostMove; k<=forwardMostMove; k++)
13754 fprintf(debugFP, "e%d. p=%d\n", k, epStatus[k]);
13758 while(j > backwardMostMove && epStatus[j] <= EP_NONE) j--,i++;
13759 if( j == backwardMostMove ) i += initialRulePlies;
13760 sprintf(p, "%d ", i);
13761 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
13763 /* Fullmove number */
13764 sprintf(p, "%d", (move / 2) + 1);
13766 return StrSave(buf);
13770 ParseFEN(board, blackPlaysFirst, fen)
13772 int *blackPlaysFirst;
13782 /* [HGM] by default clear Crazyhouse holdings, if present */
13783 if(gameInfo.holdingsWidth) {
13784 for(i=0; i<BOARD_HEIGHT; i++) {
13785 board[i][0] = EmptySquare; /* black holdings */
13786 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
13787 board[i][1] = (ChessSquare) 0; /* black counts */
13788 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
13792 /* Piece placement data */
13793 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13796 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
13797 if (*p == '/') p++;
13798 emptycount = gameInfo.boardWidth - j;
13799 while (emptycount--)
13800 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
13802 #if(BOARD_SIZE >= 10)
13803 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
13804 p++; emptycount=10;
13805 if (j + emptycount > gameInfo.boardWidth) return FALSE;
13806 while (emptycount--)
13807 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
13809 } else if (isdigit(*p)) {
13810 emptycount = *p++ - '0';
13811 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
13812 if (j + emptycount > gameInfo.boardWidth) return FALSE;
13813 while (emptycount--)
13814 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
13815 } else if (*p == '+' || isalpha(*p)) {
13816 if (j >= gameInfo.boardWidth) return FALSE;
13818 piece = CharToPiece(*++p);
13819 if(piece == EmptySquare) return FALSE; /* unknown piece */
13820 piece = (ChessSquare) (PROMOTED piece ); p++;
13821 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
13822 } else piece = CharToPiece(*p++);
13824 if(piece==EmptySquare) return FALSE; /* unknown piece */
13825 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
13826 piece = (ChessSquare) (PROMOTED piece);
13827 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
13830 board[i][(j++)+gameInfo.holdingsWidth] = piece;
13836 while (*p == '/' || *p == ' ') p++;
13838 /* [HGM] look for Crazyhouse holdings here */
13839 while(*p==' ') p++;
13840 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
13842 if(*p == '-' ) *p++; /* empty holdings */ else {
13843 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
13844 /* if we would allow FEN reading to set board size, we would */
13845 /* have to add holdings and shift the board read so far here */
13846 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
13848 if((int) piece >= (int) BlackPawn ) {
13849 i = (int)piece - (int)BlackPawn;
13850 i = PieceToNumber((ChessSquare)i);
13851 if( i >= gameInfo.holdingsSize ) return FALSE;
13852 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
13853 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
13855 i = (int)piece - (int)WhitePawn;
13856 i = PieceToNumber((ChessSquare)i);
13857 if( i >= gameInfo.holdingsSize ) return FALSE;
13858 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
13859 board[i][BOARD_WIDTH-2]++; /* black holdings */
13863 if(*p == ']') *p++;
13866 while(*p == ' ') p++;
13871 *blackPlaysFirst = FALSE;
13874 *blackPlaysFirst = TRUE;
13880 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
13881 /* return the extra info in global variiables */
13883 /* set defaults in case FEN is incomplete */
13884 FENepStatus = EP_UNKNOWN;
13885 for(i=0; i<nrCastlingRights; i++ ) {
13886 FENcastlingRights[i] =
13887 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? -1 : initialRights[i];
13888 } /* assume possible unless obviously impossible */
13889 if(initialRights[0]>=0 && board[castlingRank[0]][initialRights[0]] != WhiteRook) FENcastlingRights[0] = -1;
13890 if(initialRights[1]>=0 && board[castlingRank[1]][initialRights[1]] != WhiteRook) FENcastlingRights[1] = -1;
13891 if(initialRights[2]>=0 && board[castlingRank[2]][initialRights[2]] != WhiteKing) FENcastlingRights[2] = -1;
13892 if(initialRights[3]>=0 && board[castlingRank[3]][initialRights[3]] != BlackRook) FENcastlingRights[3] = -1;
13893 if(initialRights[4]>=0 && board[castlingRank[4]][initialRights[4]] != BlackRook) FENcastlingRights[4] = -1;
13894 if(initialRights[5]>=0 && board[castlingRank[5]][initialRights[5]] != BlackKing) FENcastlingRights[5] = -1;
13897 while(*p==' ') p++;
13898 if(nrCastlingRights) {
13899 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
13900 /* castling indicator present, so default becomes no castlings */
13901 for(i=0; i<nrCastlingRights; i++ ) {
13902 FENcastlingRights[i] = -1;
13905 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
13906 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
13907 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
13908 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
13909 char c = *p++; int whiteKingFile=-1, blackKingFile=-1;
13911 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
13912 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
13913 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
13917 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
13918 FENcastlingRights[0] = i != whiteKingFile ? i : -1;
13919 FENcastlingRights[2] = whiteKingFile;
13922 for(i=BOARD_LEFT; board[0][i]!=WhiteRook && i<whiteKingFile; i++);
13923 FENcastlingRights[1] = i != whiteKingFile ? i : -1;
13924 FENcastlingRights[2] = whiteKingFile;
13927 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
13928 FENcastlingRights[3] = i != blackKingFile ? i : -1;
13929 FENcastlingRights[5] = blackKingFile;
13932 for(i=BOARD_LEFT; board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
13933 FENcastlingRights[4] = i != blackKingFile ? i : -1;
13934 FENcastlingRights[5] = blackKingFile;
13937 default: /* FRC castlings */
13938 if(c >= 'a') { /* black rights */
13939 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
13940 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
13941 if(i == BOARD_RGHT) break;
13942 FENcastlingRights[5] = i;
13944 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
13945 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
13947 FENcastlingRights[3] = c;
13949 FENcastlingRights[4] = c;
13950 } else { /* white rights */
13951 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
13952 if(board[0][i] == WhiteKing) break;
13953 if(i == BOARD_RGHT) break;
13954 FENcastlingRights[2] = i;
13955 c -= AAA - 'a' + 'A';
13956 if(board[0][c] >= WhiteKing) break;
13958 FENcastlingRights[0] = c;
13960 FENcastlingRights[1] = c;
13964 if (appData.debugMode) {
13965 fprintf(debugFP, "FEN castling rights:");
13966 for(i=0; i<nrCastlingRights; i++)
13967 fprintf(debugFP, " %d", FENcastlingRights[i]);
13968 fprintf(debugFP, "\n");
13971 while(*p==' ') p++;
13974 /* read e.p. field in games that know e.p. capture */
13975 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
13976 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier ) {
13978 p++; FENepStatus = EP_NONE;
13980 char c = *p++ - AAA;
13982 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
13983 if(*p >= '0' && *p <='9') *p++;
13989 if(sscanf(p, "%d", &i) == 1) {
13990 FENrulePlies = i; /* 50-move ply counter */
13991 /* (The move number is still ignored) */
13998 EditPositionPasteFEN(char *fen)
14001 Board initial_position;
14003 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
14004 DisplayError(_("Bad FEN position in clipboard"), 0);
14007 int savedBlackPlaysFirst = blackPlaysFirst;
14008 EditPositionEvent();
14009 blackPlaysFirst = savedBlackPlaysFirst;
14010 CopyBoard(boards[0], initial_position);
14011 /* [HGM] copy FEN attributes as well */
14013 initialRulePlies = FENrulePlies;
14014 epStatus[0] = FENepStatus;
14015 for( i=0; i<nrCastlingRights; i++ )
14016 castlingRights[0][i] = FENcastlingRights[i];
14018 EditPositionDone();
14019 DisplayBothClocks();
14020 DrawPosition(FALSE, boards[currentMove]);
14025 static char cseq[12] = "\\ ";
14027 Boolean set_cont_sequence(char *new_seq)
14032 // handle bad attempts to set the sequence
14034 return 0; // acceptable error - no debug
14036 len = strlen(new_seq);
14037 ret = (len > 0) && (len < sizeof(cseq));
14039 strcpy(cseq, new_seq);
14040 else if (appData.debugMode)
14041 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %d)\n", new_seq, sizeof(cseq)-1);
14046 reformat a source message so words don't cross the width boundary. internal
14047 newlines are not removed. returns the wrapped size (no null character unless
14048 included in source message). If dest is NULL, only calculate the size required
14049 for the dest buffer. lp argument indicats line position upon entry, and it's
14050 passed back upon exit.
14052 int wrap(char *dest, char *src, int count, int width, int *lp)
14054 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
14056 cseq_len = strlen(cseq);
14057 old_line = line = *lp;
14058 ansi = len = clen = 0;
14060 for (i=0; i < count; i++)
14062 if (src[i] == '\033')
14065 // if we hit the width, back up
14066 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
14068 // store i & len in case the word is too long
14069 old_i = i, old_len = len;
14071 // find the end of the last word
14072 while (i && src[i] != ' ' && src[i] != '\n')
14078 // word too long? restore i & len before splitting it
14079 if ((old_i-i+clen) >= width)
14086 if (i && src[i-1] == ' ')
14089 if (src[i] != ' ' && src[i] != '\n')
14096 // now append the newline and continuation sequence
14101 strncpy(dest+len, cseq, cseq_len);
14109 dest[len] = src[i];
14113 if (src[i] == '\n')
14118 if (dest && appData.debugMode)
14120 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
14121 count, width, line, len, *lp);
14122 show_bytes(debugFP, src, count);
14123 fprintf(debugFP, "\ndest: ");
14124 show_bytes(debugFP, dest, len);
14125 fprintf(debugFP, "\n");
14127 *lp = dest ? line : old_line;