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;
1907 if(gameInfo.variant != VariantBughouse && board[BOARD_SIZE-1][BOARD_SIZE-2])
1908 return; // prevent overwriting by pre-board holdings
1910 if( (int)lowestPiece >= BlackPawn ) {
1913 holdingsStartRow = BOARD_HEIGHT-1;
1916 holdingsColumn = BOARD_WIDTH-1;
1917 countsColumn = BOARD_WIDTH-2;
1918 holdingsStartRow = 0;
1922 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
1923 board[i][holdingsColumn] = EmptySquare;
1924 board[i][countsColumn] = (ChessSquare) 0;
1926 while( (p=*holdings++) != NULLCHAR ) {
1927 piece = CharToPiece( ToUpper(p) );
1928 if(piece == EmptySquare) continue;
1929 /*j = (int) piece - (int) WhitePawn;*/
1930 j = PieceToNumber(piece);
1931 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
1932 if(j < 0) continue; /* should not happen */
1933 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
1934 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
1935 board[holdingsStartRow+j*direction][countsColumn]++;
1941 VariantSwitch(Board board, VariantClass newVariant)
1943 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
1945 startedFromPositionFile = FALSE;
1946 if(gameInfo.variant == newVariant) return;
1948 /* [HGM] This routine is called each time an assignment is made to
1949 * gameInfo.variant during a game, to make sure the board sizes
1950 * are set to match the new variant. If that means adding or deleting
1951 * holdings, we shift the playing board accordingly
1952 * This kludge is needed because in ICS observe mode, we get boards
1953 * of an ongoing game without knowing the variant, and learn about the
1954 * latter only later. This can be because of the move list we requested,
1955 * in which case the game history is refilled from the beginning anyway,
1956 * but also when receiving holdings of a crazyhouse game. In the latter
1957 * case we want to add those holdings to the already received position.
1961 if (appData.debugMode) {
1962 fprintf(debugFP, "Switch board from %s to %s\n",
1963 VariantName(gameInfo.variant), VariantName(newVariant));
1964 setbuf(debugFP, NULL);
1966 shuffleOpenings = 0; /* [HGM] shuffle */
1967 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
1971 newWidth = 9; newHeight = 9;
1972 gameInfo.holdingsSize = 7;
1973 case VariantBughouse:
1974 case VariantCrazyhouse:
1975 newHoldingsWidth = 2; break;
1979 newHoldingsWidth = 2;
1980 gameInfo.holdingsSize = 8;
1983 case VariantCapablanca:
1984 case VariantCapaRandom:
1987 newHoldingsWidth = gameInfo.holdingsSize = 0;
1990 if(newWidth != gameInfo.boardWidth ||
1991 newHeight != gameInfo.boardHeight ||
1992 newHoldingsWidth != gameInfo.holdingsWidth ) {
1994 /* shift position to new playing area, if needed */
1995 if(newHoldingsWidth > gameInfo.holdingsWidth) {
1996 for(i=0; i<BOARD_HEIGHT; i++)
1997 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
1998 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2000 for(i=0; i<newHeight; i++) {
2001 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2002 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2004 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2005 for(i=0; i<BOARD_HEIGHT; i++)
2006 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2007 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2010 gameInfo.boardWidth = newWidth;
2011 gameInfo.boardHeight = newHeight;
2012 gameInfo.holdingsWidth = newHoldingsWidth;
2013 gameInfo.variant = newVariant;
2014 InitDrawingSizes(-2, 0);
2015 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2016 } else { gameInfo.variant = newVariant; InitPosition(FALSE); }
2017 DrawPosition(TRUE, boards[currentMove]);
2020 static int loggedOn = FALSE;
2022 /*-- Game start info cache: --*/
2024 char gs_kind[MSG_SIZ];
2025 static char player1Name[128] = "";
2026 static char player2Name[128] = "";
2027 static char cont_seq[] = "\n\\ ";
2028 static int player1Rating = -1;
2029 static int player2Rating = -1;
2030 /*----------------------------*/
2032 ColorClass curColor = ColorNormal;
2033 int suppressKibitz = 0;
2036 read_from_ics(isr, closure, data, count, error)
2043 #define BUF_SIZE 8192
2044 #define STARTED_NONE 0
2045 #define STARTED_MOVES 1
2046 #define STARTED_BOARD 2
2047 #define STARTED_OBSERVE 3
2048 #define STARTED_HOLDINGS 4
2049 #define STARTED_CHATTER 5
2050 #define STARTED_COMMENT 6
2051 #define STARTED_MOVES_NOHIDE 7
2053 static int started = STARTED_NONE;
2054 static char parse[20000];
2055 static int parse_pos = 0;
2056 static char buf[BUF_SIZE + 1];
2057 static int firstTime = TRUE, intfSet = FALSE;
2058 static ColorClass prevColor = ColorNormal;
2059 static int savingComment = FALSE;
2060 static int cmatch = 0; // continuation sequence match
2067 int backup; /* [DM] For zippy color lines */
2069 char talker[MSG_SIZ]; // [HGM] chat
2072 if (appData.debugMode) {
2074 fprintf(debugFP, "<ICS: ");
2075 show_bytes(debugFP, data, count);
2076 fprintf(debugFP, "\n");
2080 if (appData.debugMode) { int f = forwardMostMove;
2081 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2082 castlingRights[f][0],castlingRights[f][1],castlingRights[f][2],castlingRights[f][3],castlingRights[f][4],castlingRights[f][5]);
2085 /* If last read ended with a partial line that we couldn't parse,
2086 prepend it to the new read and try again. */
2087 if (leftover_len > 0) {
2088 for (i=0; i<leftover_len; i++)
2089 buf[i] = buf[leftover_start + i];
2092 /* copy new characters into the buffer */
2093 bp = buf + leftover_len;
2094 buf_len=leftover_len;
2095 for (i=0; i<count; i++)
2098 if (data[i] == '\r')
2101 // join lines split by ICS?
2102 if (!appData.noJoin)
2105 Joining just consists of finding matches against the
2106 continuation sequence, and discarding that sequence
2107 if found instead of copying it. So, until a match
2108 fails, there's nothing to do since it might be the
2109 complete sequence, and thus, something we don't want
2112 if (data[i] == cont_seq[cmatch])
2115 if (cmatch == strlen(cont_seq))
2117 cmatch = 0; // complete match. just reset the counter
2120 it's possible for the ICS to not include the space
2121 at the end of the last word, making our [correct]
2122 join operation fuse two separate words. the server
2123 does this when the space occurs at the width setting.
2125 if (!buf_len || buf[buf_len-1] != ' ')
2136 match failed, so we have to copy what matched before
2137 falling through and copying this character. In reality,
2138 this will only ever be just the newline character, but
2139 it doesn't hurt to be precise.
2141 strncpy(bp, cont_seq, cmatch);
2153 buf[buf_len] = NULLCHAR;
2154 next_out = leftover_len;
2158 while (i < buf_len) {
2159 /* Deal with part of the TELNET option negotiation
2160 protocol. We refuse to do anything beyond the
2161 defaults, except that we allow the WILL ECHO option,
2162 which ICS uses to turn off password echoing when we are
2163 directly connected to it. We reject this option
2164 if localLineEditing mode is on (always on in xboard)
2165 and we are talking to port 23, which might be a real
2166 telnet server that will try to keep WILL ECHO on permanently.
2168 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2169 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2170 unsigned char option;
2172 switch ((unsigned char) buf[++i]) {
2174 if (appData.debugMode)
2175 fprintf(debugFP, "\n<WILL ");
2176 switch (option = (unsigned char) buf[++i]) {
2178 if (appData.debugMode)
2179 fprintf(debugFP, "ECHO ");
2180 /* Reply only if this is a change, according
2181 to the protocol rules. */
2182 if (remoteEchoOption) break;
2183 if (appData.localLineEditing &&
2184 atoi(appData.icsPort) == TN_PORT) {
2185 TelnetRequest(TN_DONT, TN_ECHO);
2188 TelnetRequest(TN_DO, TN_ECHO);
2189 remoteEchoOption = TRUE;
2193 if (appData.debugMode)
2194 fprintf(debugFP, "%d ", option);
2195 /* Whatever this is, we don't want it. */
2196 TelnetRequest(TN_DONT, option);
2201 if (appData.debugMode)
2202 fprintf(debugFP, "\n<WONT ");
2203 switch (option = (unsigned char) buf[++i]) {
2205 if (appData.debugMode)
2206 fprintf(debugFP, "ECHO ");
2207 /* Reply only if this is a change, according
2208 to the protocol rules. */
2209 if (!remoteEchoOption) break;
2211 TelnetRequest(TN_DONT, TN_ECHO);
2212 remoteEchoOption = FALSE;
2215 if (appData.debugMode)
2216 fprintf(debugFP, "%d ", (unsigned char) option);
2217 /* Whatever this is, it must already be turned
2218 off, because we never agree to turn on
2219 anything non-default, so according to the
2220 protocol rules, we don't reply. */
2225 if (appData.debugMode)
2226 fprintf(debugFP, "\n<DO ");
2227 switch (option = (unsigned char) buf[++i]) {
2229 /* Whatever this is, we refuse to do it. */
2230 if (appData.debugMode)
2231 fprintf(debugFP, "%d ", option);
2232 TelnetRequest(TN_WONT, option);
2237 if (appData.debugMode)
2238 fprintf(debugFP, "\n<DONT ");
2239 switch (option = (unsigned char) buf[++i]) {
2241 if (appData.debugMode)
2242 fprintf(debugFP, "%d ", option);
2243 /* Whatever this is, we are already not doing
2244 it, because we never agree to do anything
2245 non-default, so according to the protocol
2246 rules, we don't reply. */
2251 if (appData.debugMode)
2252 fprintf(debugFP, "\n<IAC ");
2253 /* Doubled IAC; pass it through */
2257 if (appData.debugMode)
2258 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2259 /* Drop all other telnet commands on the floor */
2262 if (oldi > next_out)
2263 SendToPlayer(&buf[next_out], oldi - next_out);
2269 /* OK, this at least will *usually* work */
2270 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2274 if (loggedOn && !intfSet) {
2275 if (ics_type == ICS_ICC) {
2277 "/set-quietly interface %s\n/set-quietly style 12\n",
2279 } else if (ics_type == ICS_CHESSNET) {
2280 sprintf(str, "/style 12\n");
2282 strcpy(str, "alias $ @\n$set interface ");
2283 strcat(str, programVersion);
2284 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2286 strcat(str, "$iset nohighlight 1\n");
2288 strcat(str, "$iset lock 1\n$style 12\n");
2291 NotifyFrontendLogin();
2295 if (started == STARTED_COMMENT) {
2296 /* Accumulate characters in comment */
2297 parse[parse_pos++] = buf[i];
2298 if (buf[i] == '\n') {
2299 parse[parse_pos] = NULLCHAR;
2300 if(chattingPartner>=0) {
2302 sprintf(mess, "%s%s", talker, parse);
2303 OutputChatMessage(chattingPartner, mess);
2304 chattingPartner = -1;
2306 if(!suppressKibitz) // [HGM] kibitz
2307 AppendComment(forwardMostMove, StripHighlight(parse));
2308 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2309 int nrDigit = 0, nrAlph = 0, i;
2310 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2311 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2312 parse[parse_pos] = NULLCHAR;
2313 // try to be smart: if it does not look like search info, it should go to
2314 // ICS interaction window after all, not to engine-output window.
2315 for(i=0; i<parse_pos; i++) { // count letters and digits
2316 nrDigit += (parse[i] >= '0' && parse[i] <= '9');
2317 nrAlph += (parse[i] >= 'a' && parse[i] <= 'z');
2318 nrAlph += (parse[i] >= 'A' && parse[i] <= 'Z');
2320 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2321 int depth=0; float score;
2322 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2323 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2324 pvInfoList[forwardMostMove-1].depth = depth;
2325 pvInfoList[forwardMostMove-1].score = 100*score;
2327 OutputKibitz(suppressKibitz, parse);
2330 sprintf(tmp, _("your opponent kibitzes: %s"), parse);
2331 SendToPlayer(tmp, strlen(tmp));
2334 started = STARTED_NONE;
2336 /* Don't match patterns against characters in chatter */
2341 if (started == STARTED_CHATTER) {
2342 if (buf[i] != '\n') {
2343 /* Don't match patterns against characters in chatter */
2347 started = STARTED_NONE;
2350 /* Kludge to deal with rcmd protocol */
2351 if (firstTime && looking_at(buf, &i, "\001*")) {
2352 DisplayFatalError(&buf[1], 0, 1);
2358 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2361 if (appData.debugMode)
2362 fprintf(debugFP, "ics_type %d\n", ics_type);
2365 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2366 ics_type = ICS_FICS;
2368 if (appData.debugMode)
2369 fprintf(debugFP, "ics_type %d\n", ics_type);
2372 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
2373 ics_type = ICS_CHESSNET;
2375 if (appData.debugMode)
2376 fprintf(debugFP, "ics_type %d\n", ics_type);
2381 (looking_at(buf, &i, "\"*\" is *a registered name") ||
2382 looking_at(buf, &i, "Logging you in as \"*\"") ||
2383 looking_at(buf, &i, "will be \"*\""))) {
2384 strcpy(ics_handle, star_match[0]);
2388 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
2390 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
2391 DisplayIcsInteractionTitle(buf);
2392 have_set_title = TRUE;
2395 /* skip finger notes */
2396 if (started == STARTED_NONE &&
2397 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
2398 (buf[i] == '1' && buf[i+1] == '0')) &&
2399 buf[i+2] == ':' && buf[i+3] == ' ') {
2400 started = STARTED_CHATTER;
2405 /* skip formula vars */
2406 if (started == STARTED_NONE &&
2407 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
2408 started = STARTED_CHATTER;
2414 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
2415 if (appData.autoKibitz && started == STARTED_NONE &&
2416 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
2417 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
2418 if(looking_at(buf, &i, "* kibitzes: ") &&
2419 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
2420 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
2421 suppressKibitz = TRUE;
2422 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
2423 && (gameMode == IcsPlayingWhite)) ||
2424 (StrStr(star_match[0], gameInfo.black) == star_match[0]
2425 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
2426 started = STARTED_CHATTER; // own kibitz we simply discard
2428 started = STARTED_COMMENT; // make sure it will be collected in parse[]
2429 parse_pos = 0; parse[0] = NULLCHAR;
2430 savingComment = TRUE;
2431 suppressKibitz = gameMode != IcsObserving ? 2 :
2432 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
2436 if(looking_at(buf, &i, "kibitzed to")) { // suppress the acknowledgements of our own autoKibitz
2437 started = STARTED_CHATTER;
2438 suppressKibitz = TRUE;
2440 } // [HGM] kibitz: end of patch
2442 //if(appData.debugMode) fprintf(debugFP, "hunt for tell, buf = %s\n", buf+i);
2444 // [HGM] chat: intercept tells by users for which we have an open chat window
2446 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
2447 looking_at(buf, &i, "* whispers:") ||
2448 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
2449 looking_at(buf, &i, "*(*)(*):") && sscanf(star_match[2], "%d", &channel) == 1 )) {
2451 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
2452 chattingPartner = -1;
2454 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
2455 for(p=0; p<MAX_CHAT; p++) {
2456 if(channel == atoi(chatPartner[p])) {
2457 talker[0] = '['; strcat(talker, "]");
2458 chattingPartner = p; break;
2461 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
2462 for(p=0; p<MAX_CHAT; p++) {
2463 if(!strcmp("WHISPER", chatPartner[p])) {
2464 talker[0] = '['; strcat(talker, "]");
2465 chattingPartner = p; break;
2468 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
2469 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
2471 chattingPartner = p; break;
2473 if(chattingPartner<0) i = oldi; else {
2474 started = STARTED_COMMENT;
2475 parse_pos = 0; parse[0] = NULLCHAR;
2476 savingComment = TRUE;
2477 suppressKibitz = TRUE;
2479 } // [HGM] chat: end of patch
2481 if (appData.zippyTalk || appData.zippyPlay) {
2482 /* [DM] Backup address for color zippy lines */
2486 if (loggedOn == TRUE)
2487 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
2488 (appData.zippyPlay && ZippyMatch(buf, &backup)));
2490 if (ZippyControl(buf, &i) ||
2491 ZippyConverse(buf, &i) ||
2492 (appData.zippyPlay && ZippyMatch(buf, &i))) {
2494 if (!appData.colorize) continue;
2498 } // [DM] 'else { ' deleted
2500 /* Regular tells and says */
2501 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
2502 looking_at(buf, &i, "* (your partner) tells you: ") ||
2503 looking_at(buf, &i, "* says: ") ||
2504 /* Don't color "message" or "messages" output */
2505 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
2506 looking_at(buf, &i, "*. * at *:*: ") ||
2507 looking_at(buf, &i, "--* (*:*): ") ||
2508 /* Message notifications (same color as tells) */
2509 looking_at(buf, &i, "* has left a message ") ||
2510 looking_at(buf, &i, "* just sent you a message:\n") ||
2511 /* Whispers and kibitzes */
2512 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
2513 looking_at(buf, &i, "* kibitzes: ") ||
2515 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
2517 if (tkind == 1 && strchr(star_match[0], ':')) {
2518 /* Avoid "tells you:" spoofs in channels */
2521 if (star_match[0][0] == NULLCHAR ||
2522 strchr(star_match[0], ' ') ||
2523 (tkind == 3 && strchr(star_match[1], ' '))) {
2524 /* Reject bogus matches */
2527 if (appData.colorize) {
2528 if (oldi > next_out) {
2529 SendToPlayer(&buf[next_out], oldi - next_out);
2534 Colorize(ColorTell, FALSE);
2535 curColor = ColorTell;
2538 Colorize(ColorKibitz, FALSE);
2539 curColor = ColorKibitz;
2542 p = strrchr(star_match[1], '(');
2549 Colorize(ColorChannel1, FALSE);
2550 curColor = ColorChannel1;
2552 Colorize(ColorChannel, FALSE);
2553 curColor = ColorChannel;
2557 curColor = ColorNormal;
2561 if (started == STARTED_NONE && appData.autoComment &&
2562 (gameMode == IcsObserving ||
2563 gameMode == IcsPlayingWhite ||
2564 gameMode == IcsPlayingBlack)) {
2565 parse_pos = i - oldi;
2566 memcpy(parse, &buf[oldi], parse_pos);
2567 parse[parse_pos] = NULLCHAR;
2568 started = STARTED_COMMENT;
2569 savingComment = TRUE;
2571 started = STARTED_CHATTER;
2572 savingComment = FALSE;
2579 if (looking_at(buf, &i, "* s-shouts: ") ||
2580 looking_at(buf, &i, "* c-shouts: ")) {
2581 if (appData.colorize) {
2582 if (oldi > next_out) {
2583 SendToPlayer(&buf[next_out], oldi - next_out);
2586 Colorize(ColorSShout, FALSE);
2587 curColor = ColorSShout;
2590 started = STARTED_CHATTER;
2594 if (looking_at(buf, &i, "--->")) {
2599 if (looking_at(buf, &i, "* shouts: ") ||
2600 looking_at(buf, &i, "--> ")) {
2601 if (appData.colorize) {
2602 if (oldi > next_out) {
2603 SendToPlayer(&buf[next_out], oldi - next_out);
2606 Colorize(ColorShout, FALSE);
2607 curColor = ColorShout;
2610 started = STARTED_CHATTER;
2614 if (looking_at( buf, &i, "Challenge:")) {
2615 if (appData.colorize) {
2616 if (oldi > next_out) {
2617 SendToPlayer(&buf[next_out], oldi - next_out);
2620 Colorize(ColorChallenge, FALSE);
2621 curColor = ColorChallenge;
2627 if (looking_at(buf, &i, "* offers you") ||
2628 looking_at(buf, &i, "* offers to be") ||
2629 looking_at(buf, &i, "* would like to") ||
2630 looking_at(buf, &i, "* requests to") ||
2631 looking_at(buf, &i, "Your opponent offers") ||
2632 looking_at(buf, &i, "Your opponent requests")) {
2634 if (appData.colorize) {
2635 if (oldi > next_out) {
2636 SendToPlayer(&buf[next_out], oldi - next_out);
2639 Colorize(ColorRequest, FALSE);
2640 curColor = ColorRequest;
2645 if (looking_at(buf, &i, "* (*) seeking")) {
2646 if (appData.colorize) {
2647 if (oldi > next_out) {
2648 SendToPlayer(&buf[next_out], oldi - next_out);
2651 Colorize(ColorSeek, FALSE);
2652 curColor = ColorSeek;
2657 if (looking_at(buf, &i, "\\ ")) {
2658 if (prevColor != ColorNormal) {
2659 if (oldi > next_out) {
2660 SendToPlayer(&buf[next_out], oldi - next_out);
2663 Colorize(prevColor, TRUE);
2664 curColor = prevColor;
2666 if (savingComment) {
2667 parse_pos = i - oldi;
2668 memcpy(parse, &buf[oldi], parse_pos);
2669 parse[parse_pos] = NULLCHAR;
2670 started = STARTED_COMMENT;
2672 started = STARTED_CHATTER;
2677 if (looking_at(buf, &i, "Black Strength :") ||
2678 looking_at(buf, &i, "<<< style 10 board >>>") ||
2679 looking_at(buf, &i, "<10>") ||
2680 looking_at(buf, &i, "#@#")) {
2681 /* Wrong board style */
2683 SendToICS(ics_prefix);
2684 SendToICS("set style 12\n");
2685 SendToICS(ics_prefix);
2686 SendToICS("refresh\n");
2690 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
2692 have_sent_ICS_logon = 1;
2696 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
2697 (looking_at(buf, &i, "\n<12> ") ||
2698 looking_at(buf, &i, "<12> "))) {
2700 if (oldi > next_out) {
2701 SendToPlayer(&buf[next_out], oldi - next_out);
2704 started = STARTED_BOARD;
2709 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
2710 looking_at(buf, &i, "<b1> ")) {
2711 if (oldi > next_out) {
2712 SendToPlayer(&buf[next_out], oldi - next_out);
2715 started = STARTED_HOLDINGS;
2720 if (looking_at(buf, &i, "* *vs. * *--- *")) {
2722 /* Header for a move list -- first line */
2724 switch (ics_getting_history) {
2728 case BeginningOfGame:
2729 /* User typed "moves" or "oldmoves" while we
2730 were idle. Pretend we asked for these
2731 moves and soak them up so user can step
2732 through them and/or save them.
2735 gameMode = IcsObserving;
2738 ics_getting_history = H_GOT_UNREQ_HEADER;
2740 case EditGame: /*?*/
2741 case EditPosition: /*?*/
2742 /* Should above feature work in these modes too? */
2743 /* For now it doesn't */
2744 ics_getting_history = H_GOT_UNWANTED_HEADER;
2747 ics_getting_history = H_GOT_UNWANTED_HEADER;
2752 /* Is this the right one? */
2753 if (gameInfo.white && gameInfo.black &&
2754 strcmp(gameInfo.white, star_match[0]) == 0 &&
2755 strcmp(gameInfo.black, star_match[2]) == 0) {
2757 ics_getting_history = H_GOT_REQ_HEADER;
2760 case H_GOT_REQ_HEADER:
2761 case H_GOT_UNREQ_HEADER:
2762 case H_GOT_UNWANTED_HEADER:
2763 case H_GETTING_MOVES:
2764 /* Should not happen */
2765 DisplayError(_("Error gathering move list: two headers"), 0);
2766 ics_getting_history = H_FALSE;
2770 /* Save player ratings into gameInfo if needed */
2771 if ((ics_getting_history == H_GOT_REQ_HEADER ||
2772 ics_getting_history == H_GOT_UNREQ_HEADER) &&
2773 (gameInfo.whiteRating == -1 ||
2774 gameInfo.blackRating == -1)) {
2776 gameInfo.whiteRating = string_to_rating(star_match[1]);
2777 gameInfo.blackRating = string_to_rating(star_match[3]);
2778 if (appData.debugMode)
2779 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
2780 gameInfo.whiteRating, gameInfo.blackRating);
2785 if (looking_at(buf, &i,
2786 "* * match, initial time: * minute*, increment: * second")) {
2787 /* Header for a move list -- second line */
2788 /* Initial board will follow if this is a wild game */
2789 if (gameInfo.event != NULL) free(gameInfo.event);
2790 sprintf(str, "ICS %s %s match", star_match[0], star_match[1]);
2791 gameInfo.event = StrSave(str);
2792 /* [HGM] we switched variant. Translate boards if needed. */
2793 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
2797 if (looking_at(buf, &i, "Move ")) {
2798 /* Beginning of a move list */
2799 switch (ics_getting_history) {
2801 /* Normally should not happen */
2802 /* Maybe user hit reset while we were parsing */
2805 /* Happens if we are ignoring a move list that is not
2806 * the one we just requested. Common if the user
2807 * tries to observe two games without turning off
2810 case H_GETTING_MOVES:
2811 /* Should not happen */
2812 DisplayError(_("Error gathering move list: nested"), 0);
2813 ics_getting_history = H_FALSE;
2815 case H_GOT_REQ_HEADER:
2816 ics_getting_history = H_GETTING_MOVES;
2817 started = STARTED_MOVES;
2819 if (oldi > next_out) {
2820 SendToPlayer(&buf[next_out], oldi - next_out);
2823 case H_GOT_UNREQ_HEADER:
2824 ics_getting_history = H_GETTING_MOVES;
2825 started = STARTED_MOVES_NOHIDE;
2828 case H_GOT_UNWANTED_HEADER:
2829 ics_getting_history = H_FALSE;
2835 if (looking_at(buf, &i, "% ") ||
2836 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
2837 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
2838 savingComment = FALSE;
2841 case STARTED_MOVES_NOHIDE:
2842 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
2843 parse[parse_pos + i - oldi] = NULLCHAR;
2844 ParseGameHistory(parse);
2846 if (appData.zippyPlay && first.initDone) {
2847 FeedMovesToProgram(&first, forwardMostMove);
2848 if (gameMode == IcsPlayingWhite) {
2849 if (WhiteOnMove(forwardMostMove)) {
2850 if (first.sendTime) {
2851 if (first.useColors) {
2852 SendToProgram("black\n", &first);
2854 SendTimeRemaining(&first, TRUE);
2856 if (first.useColors) {
2857 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
2859 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
2860 first.maybeThinking = TRUE;
2862 if (first.usePlayother) {
2863 if (first.sendTime) {
2864 SendTimeRemaining(&first, TRUE);
2866 SendToProgram("playother\n", &first);
2872 } else if (gameMode == IcsPlayingBlack) {
2873 if (!WhiteOnMove(forwardMostMove)) {
2874 if (first.sendTime) {
2875 if (first.useColors) {
2876 SendToProgram("white\n", &first);
2878 SendTimeRemaining(&first, FALSE);
2880 if (first.useColors) {
2881 SendToProgram("black\n", &first);
2883 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
2884 first.maybeThinking = TRUE;
2886 if (first.usePlayother) {
2887 if (first.sendTime) {
2888 SendTimeRemaining(&first, FALSE);
2890 SendToProgram("playother\n", &first);
2899 if (gameMode == IcsObserving && ics_gamenum == -1) {
2900 /* Moves came from oldmoves or moves command
2901 while we weren't doing anything else.
2903 currentMove = forwardMostMove;
2904 ClearHighlights();/*!!could figure this out*/
2905 flipView = appData.flipView;
2906 DrawPosition(TRUE, boards[currentMove]);
2907 DisplayBothClocks();
2908 sprintf(str, "%s vs. %s",
2909 gameInfo.white, gameInfo.black);
2913 /* Moves were history of an active game */
2914 if (gameInfo.resultDetails != NULL) {
2915 free(gameInfo.resultDetails);
2916 gameInfo.resultDetails = NULL;
2919 HistorySet(parseList, backwardMostMove,
2920 forwardMostMove, currentMove-1);
2921 DisplayMove(currentMove - 1);
2922 if (started == STARTED_MOVES) next_out = i;
2923 started = STARTED_NONE;
2924 ics_getting_history = H_FALSE;
2927 case STARTED_OBSERVE:
2928 started = STARTED_NONE;
2929 SendToICS(ics_prefix);
2930 SendToICS("refresh\n");
2936 if(bookHit) { // [HGM] book: simulate book reply
2937 static char bookMove[MSG_SIZ]; // a bit generous?
2939 programStats.nodes = programStats.depth = programStats.time =
2940 programStats.score = programStats.got_only_move = 0;
2941 sprintf(programStats.movelist, "%s (xbook)", bookHit);
2943 strcpy(bookMove, "move ");
2944 strcat(bookMove, bookHit);
2945 HandleMachineMove(bookMove, &first);
2950 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
2951 started == STARTED_HOLDINGS ||
2952 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
2953 /* Accumulate characters in move list or board */
2954 parse[parse_pos++] = buf[i];
2957 /* Start of game messages. Mostly we detect start of game
2958 when the first board image arrives. On some versions
2959 of the ICS, though, we need to do a "refresh" after starting
2960 to observe in order to get the current board right away. */
2961 if (looking_at(buf, &i, "Adding game * to observation list")) {
2962 started = STARTED_OBSERVE;
2966 /* Handle auto-observe */
2967 if (appData.autoObserve &&
2968 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
2969 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
2971 /* Choose the player that was highlighted, if any. */
2972 if (star_match[0][0] == '\033' ||
2973 star_match[1][0] != '\033') {
2974 player = star_match[0];
2976 player = star_match[2];
2978 sprintf(str, "%sobserve %s\n",
2979 ics_prefix, StripHighlightAndTitle(player));
2982 /* Save ratings from notify string */
2983 strcpy(player1Name, star_match[0]);
2984 player1Rating = string_to_rating(star_match[1]);
2985 strcpy(player2Name, star_match[2]);
2986 player2Rating = string_to_rating(star_match[3]);
2988 if (appData.debugMode)
2990 "Ratings from 'Game notification:' %s %d, %s %d\n",
2991 player1Name, player1Rating,
2992 player2Name, player2Rating);
2997 /* Deal with automatic examine mode after a game,
2998 and with IcsObserving -> IcsExamining transition */
2999 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3000 looking_at(buf, &i, "has made you an examiner of game *")) {
3002 int gamenum = atoi(star_match[0]);
3003 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3004 gamenum == ics_gamenum) {
3005 /* We were already playing or observing this game;
3006 no need to refetch history */
3007 gameMode = IcsExamining;
3009 pauseExamForwardMostMove = forwardMostMove;
3010 } else if (currentMove < forwardMostMove) {
3011 ForwardInner(forwardMostMove);
3014 /* I don't think this case really can happen */
3015 SendToICS(ics_prefix);
3016 SendToICS("refresh\n");
3021 /* Error messages */
3022 // if (ics_user_moved) {
3023 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3024 if (looking_at(buf, &i, "Illegal move") ||
3025 looking_at(buf, &i, "Not a legal move") ||
3026 looking_at(buf, &i, "Your king is in check") ||
3027 looking_at(buf, &i, "It isn't your turn") ||
3028 looking_at(buf, &i, "It is not your move")) {
3030 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3031 currentMove = --forwardMostMove;
3032 DisplayMove(currentMove - 1); /* before DMError */
3033 DrawPosition(FALSE, boards[currentMove]);
3035 DisplayBothClocks();
3037 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3043 if (looking_at(buf, &i, "still have time") ||
3044 looking_at(buf, &i, "not out of time") ||
3045 looking_at(buf, &i, "either player is out of time") ||
3046 looking_at(buf, &i, "has timeseal; checking")) {
3047 /* We must have called his flag a little too soon */
3048 whiteFlag = blackFlag = FALSE;
3052 if (looking_at(buf, &i, "added * seconds to") ||
3053 looking_at(buf, &i, "seconds were added to")) {
3054 /* Update the clocks */
3055 SendToICS(ics_prefix);
3056 SendToICS("refresh\n");
3060 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3061 ics_clock_paused = TRUE;
3066 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3067 ics_clock_paused = FALSE;
3072 /* Grab player ratings from the Creating: message.
3073 Note we have to check for the special case when
3074 the ICS inserts things like [white] or [black]. */
3075 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3076 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3078 0 player 1 name (not necessarily white)
3080 2 empty, white, or black (IGNORED)
3081 3 player 2 name (not necessarily black)
3084 The names/ratings are sorted out when the game
3085 actually starts (below).
3087 strcpy(player1Name, StripHighlightAndTitle(star_match[0]));
3088 player1Rating = string_to_rating(star_match[1]);
3089 strcpy(player2Name, StripHighlightAndTitle(star_match[3]));
3090 player2Rating = string_to_rating(star_match[4]);
3092 if (appData.debugMode)
3094 "Ratings from 'Creating:' %s %d, %s %d\n",
3095 player1Name, player1Rating,
3096 player2Name, player2Rating);
3101 /* Improved generic start/end-of-game messages */
3102 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3103 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3104 /* If tkind == 0: */
3105 /* star_match[0] is the game number */
3106 /* [1] is the white player's name */
3107 /* [2] is the black player's name */
3108 /* For end-of-game: */
3109 /* [3] is the reason for the game end */
3110 /* [4] is a PGN end game-token, preceded by " " */
3111 /* For start-of-game: */
3112 /* [3] begins with "Creating" or "Continuing" */
3113 /* [4] is " *" or empty (don't care). */
3114 int gamenum = atoi(star_match[0]);
3115 char *whitename, *blackname, *why, *endtoken;
3116 ChessMove endtype = (ChessMove) 0;
3119 whitename = star_match[1];
3120 blackname = star_match[2];
3121 why = star_match[3];
3122 endtoken = star_match[4];
3124 whitename = star_match[1];
3125 blackname = star_match[3];
3126 why = star_match[5];
3127 endtoken = star_match[6];
3130 /* Game start messages */
3131 if (strncmp(why, "Creating ", 9) == 0 ||
3132 strncmp(why, "Continuing ", 11) == 0) {
3133 gs_gamenum = gamenum;
3134 strcpy(gs_kind, strchr(why, ' ') + 1);
3136 if (appData.zippyPlay) {
3137 ZippyGameStart(whitename, blackname);
3143 /* Game end messages */
3144 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3145 ics_gamenum != gamenum) {
3148 while (endtoken[0] == ' ') endtoken++;
3149 switch (endtoken[0]) {
3152 endtype = GameUnfinished;
3155 endtype = BlackWins;
3158 if (endtoken[1] == '/')
3159 endtype = GameIsDrawn;
3161 endtype = WhiteWins;
3164 GameEnds(endtype, why, GE_ICS);
3166 if (appData.zippyPlay && first.initDone) {
3167 ZippyGameEnd(endtype, why);
3168 if (first.pr == NULL) {
3169 /* Start the next process early so that we'll
3170 be ready for the next challenge */
3171 StartChessProgram(&first);
3173 /* Send "new" early, in case this command takes
3174 a long time to finish, so that we'll be ready
3175 for the next challenge. */
3176 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3183 if (looking_at(buf, &i, "Removing game * from observation") ||
3184 looking_at(buf, &i, "no longer observing game *") ||
3185 looking_at(buf, &i, "Game * (*) has no examiners")) {
3186 if (gameMode == IcsObserving &&
3187 atoi(star_match[0]) == ics_gamenum)
3189 /* icsEngineAnalyze */
3190 if (appData.icsEngineAnalyze) {
3197 ics_user_moved = FALSE;
3202 if (looking_at(buf, &i, "no longer examining game *")) {
3203 if (gameMode == IcsExamining &&
3204 atoi(star_match[0]) == ics_gamenum)
3208 ics_user_moved = FALSE;
3213 /* Advance leftover_start past any newlines we find,
3214 so only partial lines can get reparsed */
3215 if (looking_at(buf, &i, "\n")) {
3216 prevColor = curColor;
3217 if (curColor != ColorNormal) {
3218 if (oldi > next_out) {
3219 SendToPlayer(&buf[next_out], oldi - next_out);
3222 Colorize(ColorNormal, FALSE);
3223 curColor = ColorNormal;
3225 if (started == STARTED_BOARD) {
3226 started = STARTED_NONE;
3227 parse[parse_pos] = NULLCHAR;
3228 ParseBoard12(parse);
3231 /* Send premove here */
3232 if (appData.premove) {
3234 if (currentMove == 0 &&
3235 gameMode == IcsPlayingWhite &&
3236 appData.premoveWhite) {
3237 sprintf(str, "%s\n", appData.premoveWhiteText);
3238 if (appData.debugMode)
3239 fprintf(debugFP, "Sending premove:\n");
3241 } else if (currentMove == 1 &&
3242 gameMode == IcsPlayingBlack &&
3243 appData.premoveBlack) {
3244 sprintf(str, "%s\n", appData.premoveBlackText);
3245 if (appData.debugMode)
3246 fprintf(debugFP, "Sending premove:\n");
3248 } else if (gotPremove) {
3250 ClearPremoveHighlights();
3251 if (appData.debugMode)
3252 fprintf(debugFP, "Sending premove:\n");
3253 UserMoveEvent(premoveFromX, premoveFromY,
3254 premoveToX, premoveToY,
3259 /* Usually suppress following prompt */
3260 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3261 if (looking_at(buf, &i, "*% ")) {
3262 savingComment = FALSE;
3266 } else if (started == STARTED_HOLDINGS) {
3268 char new_piece[MSG_SIZ];
3269 started = STARTED_NONE;
3270 parse[parse_pos] = NULLCHAR;
3271 if (appData.debugMode)
3272 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
3273 parse, currentMove);
3274 if (sscanf(parse, " game %d", &gamenum) == 1 &&
3275 gamenum == ics_gamenum) {
3276 if (gameInfo.variant == VariantNormal) {
3277 /* [HGM] We seem to switch variant during a game!
3278 * Presumably no holdings were displayed, so we have
3279 * to move the position two files to the right to
3280 * create room for them!
3282 VariantClass newVariant;
3283 switch(gameInfo.boardWidth) { // base guess on board width
3284 case 9: newVariant = VariantShogi; break;
3285 case 10: newVariant = VariantGreat; break;
3286 default: newVariant = VariantCrazyhouse; break;
3288 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3289 /* Get a move list just to see the header, which
3290 will tell us whether this is really bug or zh */
3291 if (ics_getting_history == H_FALSE) {
3292 ics_getting_history = H_REQUESTED;
3293 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3297 new_piece[0] = NULLCHAR;
3298 sscanf(parse, "game %d white [%s black [%s <- %s",
3299 &gamenum, white_holding, black_holding,
3301 white_holding[strlen(white_holding)-1] = NULLCHAR;
3302 black_holding[strlen(black_holding)-1] = NULLCHAR;
3303 /* [HGM] copy holdings to board holdings area */
3304 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
3305 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
3306 boards[forwardMostMove][BOARD_SIZE-1][BOARD_SIZE-2] = 1; // flag holdings as set
3308 if (appData.zippyPlay && first.initDone) {
3309 ZippyHoldings(white_holding, black_holding,
3313 if (tinyLayout || smallLayout) {
3314 char wh[16], bh[16];
3315 PackHolding(wh, white_holding);
3316 PackHolding(bh, black_holding);
3317 sprintf(str, "[%s-%s] %s-%s", wh, bh,
3318 gameInfo.white, gameInfo.black);
3320 sprintf(str, "%s [%s] vs. %s [%s]",
3321 gameInfo.white, white_holding,
3322 gameInfo.black, black_holding);
3325 DrawPosition(FALSE, boards[currentMove]);
3328 /* Suppress following prompt */
3329 if (looking_at(buf, &i, "*% ")) {
3330 savingComment = FALSE;
3337 i++; /* skip unparsed character and loop back */
3340 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz suppress printing in ICS interaction window
3341 started != STARTED_HOLDINGS && i > next_out) {
3342 SendToPlayer(&buf[next_out], i - next_out);
3345 suppressKibitz = FALSE; // [HGM] kibitz: has done its duty in if-statement above
3347 leftover_len = buf_len - leftover_start;
3348 /* if buffer ends with something we couldn't parse,
3349 reparse it after appending the next read */
3351 } else if (count == 0) {
3352 RemoveInputSource(isr);
3353 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
3355 DisplayFatalError(_("Error reading from ICS"), error, 1);
3360 /* Board style 12 looks like this:
3362 <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
3364 * The "<12> " is stripped before it gets to this routine. The two
3365 * trailing 0's (flip state and clock ticking) are later addition, and
3366 * some chess servers may not have them, or may have only the first.
3367 * Additional trailing fields may be added in the future.
3370 #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"
3372 #define RELATION_OBSERVING_PLAYED 0
3373 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
3374 #define RELATION_PLAYING_MYMOVE 1
3375 #define RELATION_PLAYING_NOTMYMOVE -1
3376 #define RELATION_EXAMINING 2
3377 #define RELATION_ISOLATED_BOARD -3
3378 #define RELATION_STARTING_POSITION -4 /* FICS only */
3381 ParseBoard12(string)
3384 GameMode newGameMode;
3385 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
3386 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
3387 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
3388 char to_play, board_chars[200];
3389 char move_str[500], str[500], elapsed_time[500];
3390 char black[32], white[32];
3392 int prevMove = currentMove;
3395 int fromX, fromY, toX, toY;
3397 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
3398 char *bookHit = NULL; // [HGM] book
3399 Boolean weird = FALSE;
3401 fromX = fromY = toX = toY = -1;
3405 if (appData.debugMode)
3406 fprintf(debugFP, _("Parsing board: %s\n"), string);
3408 move_str[0] = NULLCHAR;
3409 elapsed_time[0] = NULLCHAR;
3410 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
3412 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
3413 if(string[i] == ' ') { ranks++; files = 0; }
3415 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
3418 for(j = 0; j <i; j++) board_chars[j] = string[j];
3419 board_chars[i] = '\0';
3422 n = sscanf(string, PATTERN, &to_play, &double_push,
3423 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
3424 &gamenum, white, black, &relation, &basetime, &increment,
3425 &white_stren, &black_stren, &white_time, &black_time,
3426 &moveNum, str, elapsed_time, move_str, &ics_flip,
3429 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
3430 weird && (int)gameInfo.variant <= (int)VariantShogi) {
3431 /* [HGM] We seem to switch variant during a game!
3432 * Try to guess new variant from board size
3434 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
3435 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
3436 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
3437 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
3438 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
3439 if(!weird) newVariant = VariantNormal;
3440 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3441 /* Get a move list just to see the header, which
3442 will tell us whether this is really bug or zh */
3443 if (ics_getting_history == H_FALSE) {
3444 ics_getting_history = H_REQUESTED;
3445 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3451 snprintf(str, sizeof(str), _("Failed to parse board string:\n\"%s\""), string);
3452 DisplayError(str, 0);
3456 /* Convert the move number to internal form */
3457 moveNum = (moveNum - 1) * 2;
3458 if (to_play == 'B') moveNum++;
3459 if (moveNum >= MAX_MOVES) {
3460 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
3466 case RELATION_OBSERVING_PLAYED:
3467 case RELATION_OBSERVING_STATIC:
3468 if (gamenum == -1) {
3469 /* Old ICC buglet */
3470 relation = RELATION_OBSERVING_STATIC;
3472 newGameMode = IcsObserving;
3474 case RELATION_PLAYING_MYMOVE:
3475 case RELATION_PLAYING_NOTMYMOVE:
3477 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
3478 IcsPlayingWhite : IcsPlayingBlack;
3480 case RELATION_EXAMINING:
3481 newGameMode = IcsExamining;
3483 case RELATION_ISOLATED_BOARD:
3485 /* Just display this board. If user was doing something else,
3486 we will forget about it until the next board comes. */
3487 newGameMode = IcsIdle;
3489 case RELATION_STARTING_POSITION:
3490 newGameMode = gameMode;
3494 /* Modify behavior for initial board display on move listing
3497 switch (ics_getting_history) {
3501 case H_GOT_REQ_HEADER:
3502 case H_GOT_UNREQ_HEADER:
3503 /* This is the initial position of the current game */
3504 gamenum = ics_gamenum;
3505 moveNum = 0; /* old ICS bug workaround */
3506 if (to_play == 'B') {
3507 startedFromSetupPosition = TRUE;
3508 blackPlaysFirst = TRUE;
3510 if (forwardMostMove == 0) forwardMostMove = 1;
3511 if (backwardMostMove == 0) backwardMostMove = 1;
3512 if (currentMove == 0) currentMove = 1;
3514 newGameMode = gameMode;
3515 relation = RELATION_STARTING_POSITION; /* ICC needs this */
3517 case H_GOT_UNWANTED_HEADER:
3518 /* This is an initial board that we don't want */
3520 case H_GETTING_MOVES:
3521 /* Should not happen */
3522 DisplayError(_("Error gathering move list: extra board"), 0);
3523 ics_getting_history = H_FALSE;
3527 /* Take action if this is the first board of a new game, or of a
3528 different game than is currently being displayed. */
3529 if (gamenum != ics_gamenum || newGameMode != gameMode ||
3530 relation == RELATION_ISOLATED_BOARD) {
3532 /* Forget the old game and get the history (if any) of the new one */
3533 if (gameMode != BeginningOfGame) {
3537 if (appData.autoRaiseBoard) BoardToTop();
3539 if (gamenum == -1) {
3540 newGameMode = IcsIdle;
3541 } else if (moveNum > 0 && newGameMode != IcsIdle &&
3542 appData.getMoveList) {
3543 /* Need to get game history */
3544 ics_getting_history = H_REQUESTED;
3545 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3549 /* Initially flip the board to have black on the bottom if playing
3550 black or if the ICS flip flag is set, but let the user change
3551 it with the Flip View button. */
3552 flipView = appData.autoFlipView ?
3553 (newGameMode == IcsPlayingBlack) || ics_flip :
3556 /* Done with values from previous mode; copy in new ones */
3557 gameMode = newGameMode;
3559 ics_gamenum = gamenum;
3560 if (gamenum == gs_gamenum) {
3561 int klen = strlen(gs_kind);
3562 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
3563 sprintf(str, "ICS %s", gs_kind);
3564 gameInfo.event = StrSave(str);
3566 gameInfo.event = StrSave("ICS game");
3568 gameInfo.site = StrSave(appData.icsHost);
3569 gameInfo.date = PGNDate();
3570 gameInfo.round = StrSave("-");
3571 gameInfo.white = StrSave(white);
3572 gameInfo.black = StrSave(black);
3573 timeControl = basetime * 60 * 1000;
3575 timeIncrement = increment * 1000;
3576 movesPerSession = 0;
3577 gameInfo.timeControl = TimeControlTagValue();
3578 VariantSwitch(board, StringToVariant(gameInfo.event) );
3579 if (appData.debugMode) {
3580 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
3581 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
3582 setbuf(debugFP, NULL);
3585 gameInfo.outOfBook = NULL;
3587 /* Do we have the ratings? */
3588 if (strcmp(player1Name, white) == 0 &&
3589 strcmp(player2Name, black) == 0) {
3590 if (appData.debugMode)
3591 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
3592 player1Rating, player2Rating);
3593 gameInfo.whiteRating = player1Rating;
3594 gameInfo.blackRating = player2Rating;
3595 } else if (strcmp(player2Name, white) == 0 &&
3596 strcmp(player1Name, black) == 0) {
3597 if (appData.debugMode)
3598 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
3599 player2Rating, player1Rating);
3600 gameInfo.whiteRating = player2Rating;
3601 gameInfo.blackRating = player1Rating;
3603 player1Name[0] = player2Name[0] = NULLCHAR;
3605 /* Silence shouts if requested */
3606 if (appData.quietPlay &&
3607 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
3608 SendToICS(ics_prefix);
3609 SendToICS("set shout 0\n");
3613 /* Deal with midgame name changes */
3615 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
3616 if (gameInfo.white) free(gameInfo.white);
3617 gameInfo.white = StrSave(white);
3619 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
3620 if (gameInfo.black) free(gameInfo.black);
3621 gameInfo.black = StrSave(black);
3625 /* Throw away game result if anything actually changes in examine mode */
3626 if (gameMode == IcsExamining && !newGame) {
3627 gameInfo.result = GameUnfinished;
3628 if (gameInfo.resultDetails != NULL) {
3629 free(gameInfo.resultDetails);
3630 gameInfo.resultDetails = NULL;
3634 /* In pausing && IcsExamining mode, we ignore boards coming
3635 in if they are in a different variation than we are. */
3636 if (pauseExamInvalid) return;
3637 if (pausing && gameMode == IcsExamining) {
3638 if (moveNum <= pauseExamForwardMostMove) {
3639 pauseExamInvalid = TRUE;
3640 forwardMostMove = pauseExamForwardMostMove;
3645 if (appData.debugMode) {
3646 fprintf(debugFP, "load %dx%d board\n", files, ranks);
3648 /* Parse the board */
3649 for (k = 0; k < ranks; k++) {
3650 for (j = 0; j < files; j++)
3651 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
3652 if(gameInfo.holdingsWidth > 1) {
3653 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
3654 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
3657 CopyBoard(boards[moveNum], board);
3658 boards[moveNum][BOARD_SIZE-1][BOARD_SIZE-2] = 0; // [HGM] indicate holdings not set
3660 startedFromSetupPosition =
3661 !CompareBoards(board, initialPosition);
3662 if(startedFromSetupPosition)
3663 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
3666 /* [HGM] Set castling rights. Take the outermost Rooks,
3667 to make it also work for FRC opening positions. Note that board12
3668 is really defective for later FRC positions, as it has no way to
3669 indicate which Rook can castle if they are on the same side of King.
3670 For the initial position we grant rights to the outermost Rooks,
3671 and remember thos rights, and we then copy them on positions
3672 later in an FRC game. This means WB might not recognize castlings with
3673 Rooks that have moved back to their original position as illegal,
3674 but in ICS mode that is not its job anyway.
3676 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
3677 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
3679 for(i=BOARD_LEFT, j= -1; i<BOARD_RGHT; i++)
3680 if(board[0][i] == WhiteRook) j = i;
3681 initialRights[0] = castlingRights[moveNum][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? -1 : j);
3682 for(i=BOARD_RGHT-1, j= -1; i>=BOARD_LEFT; i--)
3683 if(board[0][i] == WhiteRook) j = i;
3684 initialRights[1] = castlingRights[moveNum][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? -1 : j);
3685 for(i=BOARD_LEFT, j= -1; i<BOARD_RGHT; i++)
3686 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
3687 initialRights[3] = castlingRights[moveNum][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? -1 : j);
3688 for(i=BOARD_RGHT-1, j= -1; i>=BOARD_LEFT; i--)
3689 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
3690 initialRights[4] = castlingRights[moveNum][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? -1 : j);
3692 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
3693 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
3694 if(board[0][k] == wKing) initialRights[2] = castlingRights[moveNum][2] = k;
3695 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
3696 if(board[BOARD_HEIGHT-1][k] == bKing)
3697 initialRights[5] = castlingRights[moveNum][5] = k;
3699 r = castlingRights[moveNum][0] = initialRights[0];
3700 if(board[0][r] != WhiteRook) castlingRights[moveNum][0] = -1;
3701 r = castlingRights[moveNum][1] = initialRights[1];
3702 if(board[0][r] != WhiteRook) castlingRights[moveNum][1] = -1;
3703 r = castlingRights[moveNum][3] = initialRights[3];
3704 if(board[BOARD_HEIGHT-1][r] != BlackRook) castlingRights[moveNum][3] = -1;
3705 r = castlingRights[moveNum][4] = initialRights[4];
3706 if(board[BOARD_HEIGHT-1][r] != BlackRook) castlingRights[moveNum][4] = -1;
3707 /* wildcastle kludge: always assume King has rights */
3708 r = castlingRights[moveNum][2] = initialRights[2];
3709 r = castlingRights[moveNum][5] = initialRights[5];
3711 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
3712 epStatus[moveNum] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
3715 if (ics_getting_history == H_GOT_REQ_HEADER ||
3716 ics_getting_history == H_GOT_UNREQ_HEADER) {
3717 /* This was an initial position from a move list, not
3718 the current position */
3722 /* Update currentMove and known move number limits */
3723 newMove = newGame || moveNum > forwardMostMove;
3726 forwardMostMove = backwardMostMove = currentMove = moveNum;
3727 if (gameMode == IcsExamining && moveNum == 0) {
3728 /* Workaround for ICS limitation: we are not told the wild
3729 type when starting to examine a game. But if we ask for
3730 the move list, the move list header will tell us */
3731 ics_getting_history = H_REQUESTED;
3732 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3735 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
3736 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
3738 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
3739 /* [HGM] applied this also to an engine that is silently watching */
3740 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
3741 (gameMode == IcsObserving || gameMode == IcsExamining) &&
3742 gameInfo.variant == currentlyInitializedVariant) {
3743 takeback = forwardMostMove - moveNum;
3744 for (i = 0; i < takeback; i++) {
3745 if (appData.debugMode) fprintf(debugFP, "take back move\n");
3746 SendToProgram("undo\n", &first);
3751 forwardMostMove = moveNum;
3752 if (!pausing || currentMove > forwardMostMove)
3753 currentMove = forwardMostMove;
3755 /* New part of history that is not contiguous with old part */
3756 if (pausing && gameMode == IcsExamining) {
3757 pauseExamInvalid = TRUE;
3758 forwardMostMove = pauseExamForwardMostMove;
3761 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
3763 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
3764 // [HGM] when we will receive the move list we now request, it will be
3765 // fed to the engine from the first move on. So if the engine is not
3766 // in the initial position now, bring it there.
3767 InitChessProgram(&first, 0);
3770 ics_getting_history = H_REQUESTED;
3771 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3774 forwardMostMove = backwardMostMove = currentMove = moveNum;
3777 /* Update the clocks */
3778 if (strchr(elapsed_time, '.')) {
3780 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
3781 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
3783 /* Time is in seconds */
3784 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
3785 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
3790 if (appData.zippyPlay && newGame &&
3791 gameMode != IcsObserving && gameMode != IcsIdle &&
3792 gameMode != IcsExamining)
3793 ZippyFirstBoard(moveNum, basetime, increment);
3796 /* Put the move on the move list, first converting
3797 to canonical algebraic form. */
3799 if (appData.debugMode) {
3800 if (appData.debugMode) { int f = forwardMostMove;
3801 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
3802 castlingRights[f][0],castlingRights[f][1],castlingRights[f][2],castlingRights[f][3],castlingRights[f][4],castlingRights[f][5]);
3804 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
3805 fprintf(debugFP, "moveNum = %d\n", moveNum);
3806 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
3807 setbuf(debugFP, NULL);
3809 if (moveNum <= backwardMostMove) {
3810 /* We don't know what the board looked like before
3812 strcpy(parseList[moveNum - 1], move_str);
3813 strcat(parseList[moveNum - 1], " ");
3814 strcat(parseList[moveNum - 1], elapsed_time);
3815 moveList[moveNum - 1][0] = NULLCHAR;
3816 } else if (strcmp(move_str, "none") == 0) {
3817 // [HGM] long SAN: swapped order; test for 'none' before parsing move
3818 /* Again, we don't know what the board looked like;
3819 this is really the start of the game. */
3820 parseList[moveNum - 1][0] = NULLCHAR;
3821 moveList[moveNum - 1][0] = NULLCHAR;
3822 backwardMostMove = moveNum;
3823 startedFromSetupPosition = TRUE;
3824 fromX = fromY = toX = toY = -1;
3826 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
3827 // So we parse the long-algebraic move string in stead of the SAN move
3828 int valid; char buf[MSG_SIZ], *prom;
3830 // str looks something like "Q/a1-a2"; kill the slash
3832 sprintf(buf, "%c%s", str[0], str+2);
3833 else strcpy(buf, str); // might be castling
3834 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
3835 strcat(buf, prom); // long move lacks promo specification!
3836 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
3837 if(appData.debugMode)
3838 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
3839 strcpy(move_str, buf);
3841 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
3842 &fromX, &fromY, &toX, &toY, &promoChar)
3843 || ParseOneMove(buf, moveNum - 1, &moveType,
3844 &fromX, &fromY, &toX, &toY, &promoChar);
3845 // end of long SAN patch
3847 (void) CoordsToAlgebraic(boards[moveNum - 1],
3848 PosFlags(moveNum - 1), EP_UNKNOWN,
3849 fromY, fromX, toY, toX, promoChar,
3850 parseList[moveNum-1]);
3851 switch (MateTest(boards[moveNum], PosFlags(moveNum), EP_UNKNOWN,
3852 castlingRights[moveNum]) ) {
3858 if(gameInfo.variant != VariantShogi)
3859 strcat(parseList[moveNum - 1], "+");
3862 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
3863 strcat(parseList[moveNum - 1], "#");
3866 strcat(parseList[moveNum - 1], " ");
3867 strcat(parseList[moveNum - 1], elapsed_time);
3868 /* currentMoveString is set as a side-effect of ParseOneMove */
3869 strcpy(moveList[moveNum - 1], currentMoveString);
3870 strcat(moveList[moveNum - 1], "\n");
3872 /* Move from ICS was illegal!? Punt. */
3873 if (appData.debugMode) {
3874 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
3875 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
3877 strcpy(parseList[moveNum - 1], move_str);
3878 strcat(parseList[moveNum - 1], " ");
3879 strcat(parseList[moveNum - 1], elapsed_time);
3880 moveList[moveNum - 1][0] = NULLCHAR;
3881 fromX = fromY = toX = toY = -1;
3884 if (appData.debugMode) {
3885 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
3886 setbuf(debugFP, NULL);
3890 /* Send move to chess program (BEFORE animating it). */
3891 if (appData.zippyPlay && !newGame && newMove &&
3892 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
3894 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
3895 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
3896 if (moveList[moveNum - 1][0] == NULLCHAR) {
3897 sprintf(str, _("Couldn't parse move \"%s\" from ICS"),
3899 DisplayError(str, 0);
3901 if (first.sendTime) {
3902 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
3904 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
3905 if (firstMove && !bookHit) {
3907 if (first.useColors) {
3908 SendToProgram(gameMode == IcsPlayingWhite ?
3910 "black\ngo\n", &first);
3912 SendToProgram("go\n", &first);
3914 first.maybeThinking = TRUE;
3917 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
3918 if (moveList[moveNum - 1][0] == NULLCHAR) {
3919 sprintf(str, _("Couldn't parse move \"%s\" from ICS"), move_str);
3920 DisplayError(str, 0);
3922 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
3923 SendMoveToProgram(moveNum - 1, &first);
3930 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
3931 /* If move comes from a remote source, animate it. If it
3932 isn't remote, it will have already been animated. */
3933 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
3934 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
3936 if (!pausing && appData.highlightLastMove) {
3937 SetHighlights(fromX, fromY, toX, toY);
3941 /* Start the clocks */
3942 whiteFlag = blackFlag = FALSE;
3943 appData.clockMode = !(basetime == 0 && increment == 0);
3945 ics_clock_paused = TRUE;
3947 } else if (ticking == 1) {
3948 ics_clock_paused = FALSE;
3950 if (gameMode == IcsIdle ||
3951 relation == RELATION_OBSERVING_STATIC ||
3952 relation == RELATION_EXAMINING ||
3954 DisplayBothClocks();
3958 /* Display opponents and material strengths */
3959 if (gameInfo.variant != VariantBughouse &&
3960 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
3961 if (tinyLayout || smallLayout) {
3962 if(gameInfo.variant == VariantNormal)
3963 sprintf(str, "%s(%d) %s(%d) {%d %d}",
3964 gameInfo.white, white_stren, gameInfo.black, black_stren,
3965 basetime, increment);
3967 sprintf(str, "%s(%d) %s(%d) {%d %d w%d}",
3968 gameInfo.white, white_stren, gameInfo.black, black_stren,
3969 basetime, increment, (int) gameInfo.variant);
3971 if(gameInfo.variant == VariantNormal)
3972 sprintf(str, "%s (%d) vs. %s (%d) {%d %d}",
3973 gameInfo.white, white_stren, gameInfo.black, black_stren,
3974 basetime, increment);
3976 sprintf(str, "%s (%d) vs. %s (%d) {%d %d %s}",
3977 gameInfo.white, white_stren, gameInfo.black, black_stren,
3978 basetime, increment, VariantName(gameInfo.variant));
3981 if (appData.debugMode) {
3982 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
3987 /* Display the board */
3988 if (!pausing && !appData.noGUI) {
3990 if (appData.premove)
3992 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
3993 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
3994 ClearPremoveHighlights();
3996 DrawPosition(FALSE, boards[currentMove]);
3997 DisplayMove(moveNum - 1);
3998 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
3999 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4000 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4001 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4005 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4007 if(bookHit) { // [HGM] book: simulate book reply
4008 static char bookMove[MSG_SIZ]; // a bit generous?
4010 programStats.nodes = programStats.depth = programStats.time =
4011 programStats.score = programStats.got_only_move = 0;
4012 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4014 strcpy(bookMove, "move ");
4015 strcat(bookMove, bookHit);
4016 HandleMachineMove(bookMove, &first);
4025 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4026 ics_getting_history = H_REQUESTED;
4027 sprintf(buf, "%smoves %d\n", ics_prefix, ics_gamenum);
4033 AnalysisPeriodicEvent(force)
4036 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4037 && !force) || !appData.periodicUpdates)
4040 /* Send . command to Crafty to collect stats */
4041 SendToProgram(".\n", &first);
4043 /* Don't send another until we get a response (this makes
4044 us stop sending to old Crafty's which don't understand
4045 the "." command (sending illegal cmds resets node count & time,
4046 which looks bad)) */
4047 programStats.ok_to_send = 0;
4050 void ics_update_width(new_width)
4053 ics_printf("set width %d\n", new_width);
4057 SendMoveToProgram(moveNum, cps)
4059 ChessProgramState *cps;
4063 if (cps->useUsermove) {
4064 SendToProgram("usermove ", cps);
4068 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4069 int len = space - parseList[moveNum];
4070 memcpy(buf, parseList[moveNum], len);
4072 buf[len] = NULLCHAR;
4074 sprintf(buf, "%s\n", parseList[moveNum]);
4076 SendToProgram(buf, cps);
4078 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4079 AlphaRank(moveList[moveNum], 4);
4080 SendToProgram(moveList[moveNum], cps);
4081 AlphaRank(moveList[moveNum], 4); // and back
4083 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4084 * the engine. It would be nice to have a better way to identify castle
4086 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4087 && cps->useOOCastle) {
4088 int fromX = moveList[moveNum][0] - AAA;
4089 int fromY = moveList[moveNum][1] - ONE;
4090 int toX = moveList[moveNum][2] - AAA;
4091 int toY = moveList[moveNum][3] - ONE;
4092 if((boards[moveNum][fromY][fromX] == WhiteKing
4093 && boards[moveNum][toY][toX] == WhiteRook)
4094 || (boards[moveNum][fromY][fromX] == BlackKing
4095 && boards[moveNum][toY][toX] == BlackRook)) {
4096 if(toX > fromX) SendToProgram("O-O\n", cps);
4097 else SendToProgram("O-O-O\n", cps);
4099 else SendToProgram(moveList[moveNum], cps);
4101 else SendToProgram(moveList[moveNum], cps);
4102 /* End of additions by Tord */
4105 /* [HGM] setting up the opening has brought engine in force mode! */
4106 /* Send 'go' if we are in a mode where machine should play. */
4107 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4108 (gameMode == TwoMachinesPlay ||
4110 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4112 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4113 SendToProgram("go\n", cps);
4114 if (appData.debugMode) {
4115 fprintf(debugFP, "(extra)\n");
4118 setboardSpoiledMachineBlack = 0;
4122 SendMoveToICS(moveType, fromX, fromY, toX, toY)
4124 int fromX, fromY, toX, toY;
4126 char user_move[MSG_SIZ];
4130 sprintf(user_move, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4131 (int)moveType, fromX, fromY, toX, toY);
4132 DisplayError(user_move + strlen("say "), 0);
4134 case WhiteKingSideCastle:
4135 case BlackKingSideCastle:
4136 case WhiteQueenSideCastleWild:
4137 case BlackQueenSideCastleWild:
4139 case WhiteHSideCastleFR:
4140 case BlackHSideCastleFR:
4142 sprintf(user_move, "o-o\n");
4144 case WhiteQueenSideCastle:
4145 case BlackQueenSideCastle:
4146 case WhiteKingSideCastleWild:
4147 case BlackKingSideCastleWild:
4149 case WhiteASideCastleFR:
4150 case BlackASideCastleFR:
4152 sprintf(user_move, "o-o-o\n");
4154 case WhitePromotionQueen:
4155 case BlackPromotionQueen:
4156 case WhitePromotionRook:
4157 case BlackPromotionRook:
4158 case WhitePromotionBishop:
4159 case BlackPromotionBishop:
4160 case WhitePromotionKnight:
4161 case BlackPromotionKnight:
4162 case WhitePromotionKing:
4163 case BlackPromotionKing:
4164 case WhitePromotionChancellor:
4165 case BlackPromotionChancellor:
4166 case WhitePromotionArchbishop:
4167 case BlackPromotionArchbishop:
4168 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier)
4169 sprintf(user_move, "%c%c%c%c=%c\n",
4170 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4171 PieceToChar(WhiteFerz));
4172 else if(gameInfo.variant == VariantGreat)
4173 sprintf(user_move, "%c%c%c%c=%c\n",
4174 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4175 PieceToChar(WhiteMan));
4177 sprintf(user_move, "%c%c%c%c=%c\n",
4178 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4179 PieceToChar(PromoPiece(moveType)));
4183 sprintf(user_move, "%c@%c%c\n",
4184 ToUpper(PieceToChar((ChessSquare) fromX)),
4185 AAA + toX, ONE + toY);
4188 case WhiteCapturesEnPassant:
4189 case BlackCapturesEnPassant:
4190 case IllegalMove: /* could be a variant we don't quite understand */
4191 sprintf(user_move, "%c%c%c%c\n",
4192 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4195 SendToICS(user_move);
4196 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
4197 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
4201 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
4206 if (rf == DROP_RANK) {
4207 sprintf(move, "%c@%c%c\n",
4208 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
4210 if (promoChar == 'x' || promoChar == NULLCHAR) {
4211 sprintf(move, "%c%c%c%c\n",
4212 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
4214 sprintf(move, "%c%c%c%c%c\n",
4215 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
4221 ProcessICSInitScript(f)
4226 while (fgets(buf, MSG_SIZ, f)) {
4227 SendToICSDelayed(buf,(long)appData.msLoginDelay);
4234 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
4236 AlphaRank(char *move, int n)
4238 // char *p = move, c; int x, y;
4240 if (appData.debugMode) {
4241 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
4245 move[2]>='0' && move[2]<='9' &&
4246 move[3]>='a' && move[3]<='x' ) {
4248 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4249 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4251 if(move[0]>='0' && move[0]<='9' &&
4252 move[1]>='a' && move[1]<='x' &&
4253 move[2]>='0' && move[2]<='9' &&
4254 move[3]>='a' && move[3]<='x' ) {
4255 /* input move, Shogi -> normal */
4256 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
4257 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
4258 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4259 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4262 move[3]>='0' && move[3]<='9' &&
4263 move[2]>='a' && move[2]<='x' ) {
4265 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4266 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4269 move[0]>='a' && move[0]<='x' &&
4270 move[3]>='0' && move[3]<='9' &&
4271 move[2]>='a' && move[2]<='x' ) {
4272 /* output move, normal -> Shogi */
4273 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
4274 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
4275 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4276 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4277 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
4279 if (appData.debugMode) {
4280 fprintf(debugFP, " out = '%s'\n", move);
4284 /* Parser for moves from gnuchess, ICS, or user typein box */
4286 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
4289 ChessMove *moveType;
4290 int *fromX, *fromY, *toX, *toY;
4293 if (appData.debugMode) {
4294 fprintf(debugFP, "move to parse: %s\n", move);
4296 *moveType = yylexstr(moveNum, move);
4298 switch (*moveType) {
4299 case WhitePromotionChancellor:
4300 case BlackPromotionChancellor:
4301 case WhitePromotionArchbishop:
4302 case BlackPromotionArchbishop:
4303 case WhitePromotionQueen:
4304 case BlackPromotionQueen:
4305 case WhitePromotionRook:
4306 case BlackPromotionRook:
4307 case WhitePromotionBishop:
4308 case BlackPromotionBishop:
4309 case WhitePromotionKnight:
4310 case BlackPromotionKnight:
4311 case WhitePromotionKing:
4312 case BlackPromotionKing:
4314 case WhiteCapturesEnPassant:
4315 case BlackCapturesEnPassant:
4316 case WhiteKingSideCastle:
4317 case WhiteQueenSideCastle:
4318 case BlackKingSideCastle:
4319 case BlackQueenSideCastle:
4320 case WhiteKingSideCastleWild:
4321 case WhiteQueenSideCastleWild:
4322 case BlackKingSideCastleWild:
4323 case BlackQueenSideCastleWild:
4324 /* Code added by Tord: */
4325 case WhiteHSideCastleFR:
4326 case WhiteASideCastleFR:
4327 case BlackHSideCastleFR:
4328 case BlackASideCastleFR:
4329 /* End of code added by Tord */
4330 case IllegalMove: /* bug or odd chess variant */
4331 *fromX = currentMoveString[0] - AAA;
4332 *fromY = currentMoveString[1] - ONE;
4333 *toX = currentMoveString[2] - AAA;
4334 *toY = currentMoveString[3] - ONE;
4335 *promoChar = currentMoveString[4];
4336 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
4337 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
4338 if (appData.debugMode) {
4339 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
4341 *fromX = *fromY = *toX = *toY = 0;
4344 if (appData.testLegality) {
4345 return (*moveType != IllegalMove);
4347 return !(fromX == fromY && toX == toY);
4352 *fromX = *moveType == WhiteDrop ?
4353 (int) CharToPiece(ToUpper(currentMoveString[0])) :
4354 (int) CharToPiece(ToLower(currentMoveString[0]));
4356 *toX = currentMoveString[2] - AAA;
4357 *toY = currentMoveString[3] - ONE;
4358 *promoChar = NULLCHAR;
4362 case ImpossibleMove:
4363 case (ChessMove) 0: /* end of file */
4372 if (appData.debugMode) {
4373 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
4376 *fromX = *fromY = *toX = *toY = 0;
4377 *promoChar = NULLCHAR;
4382 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
4383 // All positions will have equal probability, but the current method will not provide a unique
4384 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
4390 int piecesLeft[(int)BlackPawn];
4391 int seed, nrOfShuffles;
4393 void GetPositionNumber()
4394 { // sets global variable seed
4397 seed = appData.defaultFrcPosition;
4398 if(seed < 0) { // randomize based on time for negative FRC position numbers
4399 for(i=0; i<50; i++) seed += random();
4400 seed = random() ^ random() >> 8 ^ random() << 8;
4401 if(seed<0) seed = -seed;
4405 int put(Board board, int pieceType, int rank, int n, int shade)
4406 // put the piece on the (n-1)-th empty squares of the given shade
4410 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
4411 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
4412 board[rank][i] = (ChessSquare) pieceType;
4413 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
4415 piecesLeft[pieceType]--;
4423 void AddOnePiece(Board board, int pieceType, int rank, int shade)
4424 // calculate where the next piece goes, (any empty square), and put it there
4428 i = seed % squaresLeft[shade];
4429 nrOfShuffles *= squaresLeft[shade];
4430 seed /= squaresLeft[shade];
4431 put(board, pieceType, rank, i, shade);
4434 void AddTwoPieces(Board board, int pieceType, int rank)
4435 // calculate where the next 2 identical pieces go, (any empty square), and put it there
4437 int i, n=squaresLeft[ANY], j=n-1, k;
4439 k = n*(n-1)/2; // nr of possibilities, not counting permutations
4440 i = seed % k; // pick one
4443 while(i >= j) i -= j--;
4444 j = n - 1 - j; i += j;
4445 put(board, pieceType, rank, j, ANY);
4446 put(board, pieceType, rank, i, ANY);
4449 void SetUpShuffle(Board board, int number)
4453 GetPositionNumber(); nrOfShuffles = 1;
4455 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
4456 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
4457 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
4459 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
4461 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
4462 p = (int) board[0][i];
4463 if(p < (int) BlackPawn) piecesLeft[p] ++;
4464 board[0][i] = EmptySquare;
4467 if(PosFlags(0) & F_ALL_CASTLE_OK) {
4468 // shuffles restricted to allow normal castling put KRR first
4469 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
4470 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
4471 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
4472 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
4473 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
4474 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
4475 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
4476 put(board, WhiteRook, 0, 0, ANY);
4477 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
4480 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
4481 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
4482 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
4483 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
4484 while(piecesLeft[p] >= 2) {
4485 AddOnePiece(board, p, 0, LITE);
4486 AddOnePiece(board, p, 0, DARK);
4488 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
4491 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
4492 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
4493 // but we leave King and Rooks for last, to possibly obey FRC restriction
4494 if(p == (int)WhiteRook) continue;
4495 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
4496 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
4499 // now everything is placed, except perhaps King (Unicorn) and Rooks
4501 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
4502 // Last King gets castling rights
4503 while(piecesLeft[(int)WhiteUnicorn]) {
4504 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
4505 initialRights[2] = initialRights[5] = castlingRights[0][2] = castlingRights[0][5] = i;
4508 while(piecesLeft[(int)WhiteKing]) {
4509 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
4510 initialRights[2] = initialRights[5] = castlingRights[0][2] = castlingRights[0][5] = i;
4515 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
4516 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
4519 // Only Rooks can be left; simply place them all
4520 while(piecesLeft[(int)WhiteRook]) {
4521 i = put(board, WhiteRook, 0, 0, ANY);
4522 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
4525 initialRights[1] = initialRights[4] = castlingRights[0][1] = castlingRights[0][4] = i;
4527 initialRights[0] = initialRights[3] = castlingRights[0][0] = castlingRights[0][3] = i;
4530 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
4531 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
4534 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
4537 int SetCharTable( char *table, const char * map )
4538 /* [HGM] moved here from winboard.c because of its general usefulness */
4539 /* Basically a safe strcpy that uses the last character as King */
4541 int result = FALSE; int NrPieces;
4543 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
4544 && NrPieces >= 12 && !(NrPieces&1)) {
4545 int i; /* [HGM] Accept even length from 12 to 34 */
4547 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
4548 for( i=0; i<NrPieces/2-1; i++ ) {
4550 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
4552 table[(int) WhiteKing] = map[NrPieces/2-1];
4553 table[(int) BlackKing] = map[NrPieces-1];
4561 void Prelude(Board board)
4562 { // [HGM] superchess: random selection of exo-pieces
4563 int i, j, k; ChessSquare p;
4564 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
4566 GetPositionNumber(); // use FRC position number
4568 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
4569 SetCharTable(pieceToChar, appData.pieceToCharTable);
4570 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
4571 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
4574 j = seed%4; seed /= 4;
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 >= j); seed /= 3;
4579 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = 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%3; seed /= 3;
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%2 + (seed%2 >= j); seed /= 2;
4587 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
4588 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
4589 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
4590 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
4591 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
4592 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
4593 put(board, exoPieces[0], 0, 0, ANY);
4594 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
4598 InitPosition(redraw)
4601 ChessSquare (* pieces)[BOARD_SIZE];
4602 int i, j, pawnRow, overrule,
4603 oldx = gameInfo.boardWidth,
4604 oldy = gameInfo.boardHeight,
4605 oldh = gameInfo.holdingsWidth,
4606 oldv = gameInfo.variant;
4608 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
4610 /* [AS] Initialize pv info list [HGM] and game status */
4612 for( i=0; i<MAX_MOVES; i++ ) {
4613 pvInfoList[i].depth = 0;
4614 epStatus[i]=EP_NONE;
4615 for( j=0; j<BOARD_SIZE; j++ ) castlingRights[i][j] = -1;
4618 initialRulePlies = 0; /* 50-move counter start */
4620 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
4621 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
4625 /* [HGM] logic here is completely changed. In stead of full positions */
4626 /* the initialized data only consist of the two backranks. The switch */
4627 /* selects which one we will use, which is than copied to the Board */
4628 /* initialPosition, which for the rest is initialized by Pawns and */
4629 /* empty squares. This initial position is then copied to boards[0], */
4630 /* possibly after shuffling, so that it remains available. */
4632 gameInfo.holdingsWidth = 0; /* default board sizes */
4633 gameInfo.boardWidth = 8;
4634 gameInfo.boardHeight = 8;
4635 gameInfo.holdingsSize = 0;
4636 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
4637 for(i=0; i<BOARD_SIZE; i++) initialRights[i] = -1; /* but no rights yet */
4638 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
4640 switch (gameInfo.variant) {
4641 case VariantFischeRandom:
4642 shuffleOpenings = TRUE;
4646 case VariantShatranj:
4647 pieces = ShatranjArray;
4648 nrCastlingRights = 0;
4649 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
4651 case VariantTwoKings:
4652 pieces = twoKingsArray;
4654 case VariantCapaRandom:
4655 shuffleOpenings = TRUE;
4656 case VariantCapablanca:
4657 pieces = CapablancaArray;
4658 gameInfo.boardWidth = 10;
4659 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
4662 pieces = GothicArray;
4663 gameInfo.boardWidth = 10;
4664 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
4667 pieces = JanusArray;
4668 gameInfo.boardWidth = 10;
4669 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
4670 nrCastlingRights = 6;
4671 castlingRights[0][0] = initialRights[0] = BOARD_RGHT-1;
4672 castlingRights[0][1] = initialRights[1] = BOARD_LEFT;
4673 castlingRights[0][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
4674 castlingRights[0][3] = initialRights[3] = BOARD_RGHT-1;
4675 castlingRights[0][4] = initialRights[4] = BOARD_LEFT;
4676 castlingRights[0][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
4679 pieces = FalconArray;
4680 gameInfo.boardWidth = 10;
4681 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
4683 case VariantXiangqi:
4684 pieces = XiangqiArray;
4685 gameInfo.boardWidth = 9;
4686 gameInfo.boardHeight = 10;
4687 nrCastlingRights = 0;
4688 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
4691 pieces = ShogiArray;
4692 gameInfo.boardWidth = 9;
4693 gameInfo.boardHeight = 9;
4694 gameInfo.holdingsSize = 7;
4695 nrCastlingRights = 0;
4696 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
4698 case VariantCourier:
4699 pieces = CourierArray;
4700 gameInfo.boardWidth = 12;
4701 nrCastlingRights = 0;
4702 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
4703 for(i=0; i<BOARD_SIZE; i++) initialRights[i] = -1;
4705 case VariantKnightmate:
4706 pieces = KnightmateArray;
4707 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
4710 pieces = fairyArray;
4711 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVSLUKpnbrqfeacwmohijgdvsluk");
4714 pieces = GreatArray;
4715 gameInfo.boardWidth = 10;
4716 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
4717 gameInfo.holdingsSize = 8;
4721 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
4722 gameInfo.holdingsSize = 8;
4723 startedFromSetupPosition = TRUE;
4725 case VariantCrazyhouse:
4726 case VariantBughouse:
4728 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
4729 gameInfo.holdingsSize = 5;
4731 case VariantWildCastle:
4733 /* !!?shuffle with kings guaranteed to be on d or e file */
4734 shuffleOpenings = 1;
4736 case VariantNoCastle:
4738 nrCastlingRights = 0;
4739 for(i=0; i<BOARD_SIZE; i++) initialRights[i] = -1;
4740 /* !!?unconstrained back-rank shuffle */
4741 shuffleOpenings = 1;
4746 if(appData.NrFiles >= 0) {
4747 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
4748 gameInfo.boardWidth = appData.NrFiles;
4750 if(appData.NrRanks >= 0) {
4751 gameInfo.boardHeight = appData.NrRanks;
4753 if(appData.holdingsSize >= 0) {
4754 i = appData.holdingsSize;
4755 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
4756 gameInfo.holdingsSize = i;
4758 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
4759 if(BOARD_HEIGHT > BOARD_SIZE || BOARD_WIDTH > BOARD_SIZE)
4760 DisplayFatalError(_("Recompile to support this BOARD_SIZE!"), 0, 2);
4762 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
4763 if(pawnRow < 1) pawnRow = 1;
4765 /* User pieceToChar list overrules defaults */
4766 if(appData.pieceToCharTable != NULL)
4767 SetCharTable(pieceToChar, appData.pieceToCharTable);
4769 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
4771 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
4772 s = (ChessSquare) 0; /* account holding counts in guard band */
4773 for( i=0; i<BOARD_HEIGHT; i++ )
4774 initialPosition[i][j] = s;
4776 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
4777 initialPosition[0][j] = pieces[0][j-gameInfo.holdingsWidth];
4778 initialPosition[pawnRow][j] = WhitePawn;
4779 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = BlackPawn;
4780 if(gameInfo.variant == VariantXiangqi) {
4782 initialPosition[pawnRow][j] =
4783 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
4784 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
4785 initialPosition[2][j] = WhiteCannon;
4786 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
4790 initialPosition[BOARD_HEIGHT-1][j] = pieces[1][j-gameInfo.holdingsWidth];
4792 if( (gameInfo.variant == VariantShogi) && !overrule ) {
4795 initialPosition[1][j] = WhiteBishop;
4796 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
4798 initialPosition[1][j] = WhiteRook;
4799 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
4802 if( nrCastlingRights == -1) {
4803 /* [HGM] Build normal castling rights (must be done after board sizing!) */
4804 /* This sets default castling rights from none to normal corners */
4805 /* Variants with other castling rights must set them themselves above */
4806 nrCastlingRights = 6;
4808 castlingRights[0][0] = initialRights[0] = BOARD_RGHT-1;
4809 castlingRights[0][1] = initialRights[1] = BOARD_LEFT;
4810 castlingRights[0][2] = initialRights[2] = BOARD_WIDTH>>1;
4811 castlingRights[0][3] = initialRights[3] = BOARD_RGHT-1;
4812 castlingRights[0][4] = initialRights[4] = BOARD_LEFT;
4813 castlingRights[0][5] = initialRights[5] = BOARD_WIDTH>>1;
4816 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
4817 if(gameInfo.variant == VariantGreat) { // promotion commoners
4818 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
4819 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
4820 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
4821 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
4823 if (appData.debugMode) {
4824 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
4826 if(shuffleOpenings) {
4827 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
4828 startedFromSetupPosition = TRUE;
4830 if(startedFromPositionFile) {
4831 /* [HGM] loadPos: use PositionFile for every new game */
4832 CopyBoard(initialPosition, filePosition);
4833 for(i=0; i<nrCastlingRights; i++)
4834 castlingRights[0][i] = initialRights[i] = fileRights[i];
4835 startedFromSetupPosition = TRUE;
4838 CopyBoard(boards[0], initialPosition);
4840 if(oldx != gameInfo.boardWidth ||
4841 oldy != gameInfo.boardHeight ||
4842 oldh != gameInfo.holdingsWidth
4844 || oldv == VariantGothic || // For licensing popups
4845 gameInfo.variant == VariantGothic
4848 || oldv == VariantFalcon ||
4849 gameInfo.variant == VariantFalcon
4852 InitDrawingSizes(-2 ,0);
4855 DrawPosition(TRUE, boards[currentMove]);
4859 SendBoard(cps, moveNum)
4860 ChessProgramState *cps;
4863 char message[MSG_SIZ];
4865 if (cps->useSetboard) {
4866 char* fen = PositionToFEN(moveNum, cps->fenOverride);
4867 sprintf(message, "setboard %s\n", fen);
4868 SendToProgram(message, cps);
4874 /* Kludge to set black to move, avoiding the troublesome and now
4875 * deprecated "black" command.
4877 if (!WhiteOnMove(moveNum)) SendToProgram("a2a3\n", cps);
4879 SendToProgram("edit\n", cps);
4880 SendToProgram("#\n", cps);
4881 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
4882 bp = &boards[moveNum][i][BOARD_LEFT];
4883 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
4884 if ((int) *bp < (int) BlackPawn) {
4885 sprintf(message, "%c%c%c\n", PieceToChar(*bp),
4887 if(message[0] == '+' || message[0] == '~') {
4888 sprintf(message, "%c%c%c+\n",
4889 PieceToChar((ChessSquare)(DEMOTED *bp)),
4892 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
4893 message[1] = BOARD_RGHT - 1 - j + '1';
4894 message[2] = BOARD_HEIGHT - 1 - i + 'a';
4896 SendToProgram(message, cps);
4901 SendToProgram("c\n", cps);
4902 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
4903 bp = &boards[moveNum][i][BOARD_LEFT];
4904 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
4905 if (((int) *bp != (int) EmptySquare)
4906 && ((int) *bp >= (int) BlackPawn)) {
4907 sprintf(message, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
4909 if(message[0] == '+' || message[0] == '~') {
4910 sprintf(message, "%c%c%c+\n",
4911 PieceToChar((ChessSquare)(DEMOTED *bp)),
4914 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
4915 message[1] = BOARD_RGHT - 1 - j + '1';
4916 message[2] = BOARD_HEIGHT - 1 - i + 'a';
4918 SendToProgram(message, cps);
4923 SendToProgram(".\n", cps);
4925 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
4929 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice)
4931 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
4932 /* [HGM] add Shogi promotions */
4933 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
4938 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
4939 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
4941 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
4942 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
4945 piece = boards[currentMove][fromY][fromX];
4946 if(gameInfo.variant == VariantShogi) {
4947 promotionZoneSize = 3;
4948 highestPromotingPiece = (int)WhiteFerz;
4951 // next weed out all moves that do not touch the promotion zone at all
4952 if((int)piece >= BlackPawn) {
4953 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
4955 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
4957 if( toY < BOARD_HEIGHT - promotionZoneSize &&
4958 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
4961 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
4963 // weed out mandatory Shogi promotions
4964 if(gameInfo.variant == VariantShogi) {
4965 if(piece >= BlackPawn) {
4966 if(toY == 0 && piece == BlackPawn ||
4967 toY == 0 && piece == BlackQueen ||
4968 toY <= 1 && piece == BlackKnight) {
4973 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
4974 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
4975 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
4982 // weed out obviously illegal Pawn moves
4983 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
4984 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
4985 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
4986 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
4987 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
4988 // note we are not allowed to test for valid (non-)capture, due to premove
4991 // we either have a choice what to promote to, or (in Shogi) whether to promote
4992 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier) {
4993 *promoChoice = PieceToChar(BlackFerz); // no choice
4996 if(appData.alwaysPromoteToQueen) { // predetermined
4997 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantLosers)
4998 *promoChoice = PieceToChar(BlackKing); // in Suicide Q is the last thing we want
4999 else *promoChoice = PieceToChar(BlackQueen);
5003 // suppress promotion popup on illegal moves that are not premoves
5004 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
5005 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
5006 if(appData.testLegality && !premove) {
5007 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5008 epStatus[currentMove], castlingRights[currentMove],
5009 fromY, fromX, toY, toX, NULLCHAR);
5010 if(moveType != WhitePromotionQueen && moveType != BlackPromotionQueen &&
5011 moveType != WhitePromotionKnight && moveType != BlackPromotionKnight)
5019 InPalace(row, column)
5021 { /* [HGM] for Xiangqi */
5022 if( (row < 3 || row > BOARD_HEIGHT-4) &&
5023 column < (BOARD_WIDTH + 4)/2 &&
5024 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
5029 PieceForSquare (x, y)
5033 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
5036 return boards[currentMove][y][x];
5040 OKToStartUserMove(x, y)
5043 ChessSquare from_piece;
5046 if (matchMode) return FALSE;
5047 if (gameMode == EditPosition) return TRUE;
5049 if (x >= 0 && y >= 0)
5050 from_piece = boards[currentMove][y][x];
5052 from_piece = EmptySquare;
5054 if (from_piece == EmptySquare) return FALSE;
5056 white_piece = (int)from_piece >= (int)WhitePawn &&
5057 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
5060 case PlayFromGameFile:
5062 case TwoMachinesPlay:
5070 case MachinePlaysWhite:
5071 case IcsPlayingBlack:
5072 if (appData.zippyPlay) return FALSE;
5074 DisplayMoveError(_("You are playing Black"));
5079 case MachinePlaysBlack:
5080 case IcsPlayingWhite:
5081 if (appData.zippyPlay) return FALSE;
5083 DisplayMoveError(_("You are playing White"));
5089 if (!white_piece && WhiteOnMove(currentMove)) {
5090 DisplayMoveError(_("It is White's turn"));
5093 if (white_piece && !WhiteOnMove(currentMove)) {
5094 DisplayMoveError(_("It is Black's turn"));
5097 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
5098 /* Editing correspondence game history */
5099 /* Could disallow this or prompt for confirmation */
5102 if (currentMove < forwardMostMove) {
5103 /* Discarding moves */
5104 /* Could prompt for confirmation here,
5105 but I don't think that's such a good idea */
5106 forwardMostMove = currentMove;
5110 case BeginningOfGame:
5111 if (appData.icsActive) return FALSE;
5112 if (!appData.noChessProgram) {
5114 DisplayMoveError(_("You are playing White"));
5121 if (!white_piece && WhiteOnMove(currentMove)) {
5122 DisplayMoveError(_("It is White's turn"));
5125 if (white_piece && !WhiteOnMove(currentMove)) {
5126 DisplayMoveError(_("It is Black's turn"));
5135 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
5136 && gameMode != AnalyzeFile && gameMode != Training) {
5137 DisplayMoveError(_("Displayed position is not current"));
5143 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
5144 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
5145 int lastLoadGameUseList = FALSE;
5146 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
5147 ChessMove lastLoadGameStart = (ChessMove) 0;
5150 UserMoveTest(fromX, fromY, toX, toY, promoChar, captureOwn)
5151 int fromX, fromY, toX, toY;
5156 ChessSquare pdown, pup;
5158 /* Check if the user is playing in turn. This is complicated because we
5159 let the user "pick up" a piece before it is his turn. So the piece he
5160 tried to pick up may have been captured by the time he puts it down!
5161 Therefore we use the color the user is supposed to be playing in this
5162 test, not the color of the piece that is currently on the starting
5163 square---except in EditGame mode, where the user is playing both
5164 sides; fortunately there the capture race can't happen. (It can
5165 now happen in IcsExamining mode, but that's just too bad. The user
5166 will get a somewhat confusing message in that case.)
5170 case PlayFromGameFile:
5172 case TwoMachinesPlay:
5176 /* We switched into a game mode where moves are not accepted,
5177 perhaps while the mouse button was down. */
5178 return ImpossibleMove;
5180 case MachinePlaysWhite:
5181 /* User is moving for Black */
5182 if (WhiteOnMove(currentMove)) {
5183 DisplayMoveError(_("It is White's turn"));
5184 return ImpossibleMove;
5188 case MachinePlaysBlack:
5189 /* User is moving for White */
5190 if (!WhiteOnMove(currentMove)) {
5191 DisplayMoveError(_("It is Black's turn"));
5192 return ImpossibleMove;
5198 case BeginningOfGame:
5201 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
5202 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
5203 /* User is moving for Black */
5204 if (WhiteOnMove(currentMove)) {
5205 DisplayMoveError(_("It is White's turn"));
5206 return ImpossibleMove;
5209 /* User is moving for White */
5210 if (!WhiteOnMove(currentMove)) {
5211 DisplayMoveError(_("It is Black's turn"));
5212 return ImpossibleMove;
5217 case IcsPlayingBlack:
5218 /* User is moving for Black */
5219 if (WhiteOnMove(currentMove)) {
5220 if (!appData.premove) {
5221 DisplayMoveError(_("It is White's turn"));
5222 } else if (toX >= 0 && toY >= 0) {
5225 premoveFromX = fromX;
5226 premoveFromY = fromY;
5227 premovePromoChar = promoChar;
5229 if (appData.debugMode)
5230 fprintf(debugFP, "Got premove: fromX %d,"
5231 "fromY %d, toX %d, toY %d\n",
5232 fromX, fromY, toX, toY);
5234 return ImpossibleMove;
5238 case IcsPlayingWhite:
5239 /* User is moving for White */
5240 if (!WhiteOnMove(currentMove)) {
5241 if (!appData.premove) {
5242 DisplayMoveError(_("It is Black's turn"));
5243 } else if (toX >= 0 && toY >= 0) {
5246 premoveFromX = fromX;
5247 premoveFromY = fromY;
5248 premovePromoChar = promoChar;
5250 if (appData.debugMode)
5251 fprintf(debugFP, "Got premove: fromX %d,"
5252 "fromY %d, toX %d, toY %d\n",
5253 fromX, fromY, toX, toY);
5255 return ImpossibleMove;
5263 /* EditPosition, empty square, or different color piece;
5264 click-click move is possible */
5265 if (toX == -2 || toY == -2) {
5266 boards[0][fromY][fromX] = EmptySquare;
5267 return AmbiguousMove;
5268 } else if (toX >= 0 && toY >= 0) {
5269 boards[0][toY][toX] = boards[0][fromY][fromX];
5270 boards[0][fromY][fromX] = EmptySquare;
5271 return AmbiguousMove;
5273 return ImpossibleMove;
5276 if(toX < 0 || toY < 0) return ImpossibleMove;
5277 pdown = boards[currentMove][fromY][fromX];
5278 pup = boards[currentMove][toY][toX];
5280 /* [HGM] If move started in holdings, it means a drop */
5281 if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) {
5282 if( pup != EmptySquare ) return ImpossibleMove;
5283 if(appData.testLegality) {
5284 /* it would be more logical if LegalityTest() also figured out
5285 * which drops are legal. For now we forbid pawns on back rank.
5286 * Shogi is on its own here...
5288 if( (pdown == WhitePawn || pdown == BlackPawn) &&
5289 (toY == 0 || toY == BOARD_HEIGHT -1 ) )
5290 return(ImpossibleMove); /* no pawn drops on 1st/8th */
5292 return WhiteDrop; /* Not needed to specify white or black yet */
5295 userOfferedDraw = FALSE;
5297 /* [HGM] always test for legality, to get promotion info */
5298 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5299 epStatus[currentMove], castlingRights[currentMove],
5300 fromY, fromX, toY, toX, promoChar);
5301 /* [HGM] but possibly ignore an IllegalMove result */
5302 if (appData.testLegality) {
5303 if (moveType == IllegalMove || moveType == ImpossibleMove) {
5304 DisplayMoveError(_("Illegal move"));
5305 return ImpossibleMove;
5308 if(appData.debugMode) fprintf(debugFP, "moveType 3 = %d, promochar = %x\n", moveType, promoChar);
5310 /* [HGM] <popupFix> in stead of calling FinishMove directly, this
5311 function is made into one that returns an OK move type if FinishMove
5312 should be called. This to give the calling driver routine the
5313 opportunity to finish the userMove input with a promotion popup,
5314 without bothering the user with this for invalid or illegal moves */
5316 /* FinishMove(moveType, fromX, fromY, toX, toY, promoChar); */
5319 /* Common tail of UserMoveEvent and DropMenuEvent */
5321 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
5323 int fromX, fromY, toX, toY;
5324 /*char*/int promoChar;
5327 if(appData.debugMode) fprintf(debugFP, "moveType 5 = %d, promochar = %x\n", moveType, promoChar);
5328 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR) {
5329 // [HGM] superchess: suppress promotions to non-available piece
5330 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
5331 if(WhiteOnMove(currentMove)) {
5332 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
5334 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
5338 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
5339 move type in caller when we know the move is a legal promotion */
5340 if(moveType == NormalMove && promoChar)
5341 moveType = PromoCharToMoveType(WhiteOnMove(currentMove), promoChar);
5342 if(appData.debugMode) fprintf(debugFP, "moveType 1 = %d, promochar = %x\n", moveType, promoChar);
5343 /* [HGM] convert drag-and-drop piece drops to standard form */
5344 if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) {
5345 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
5346 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
5347 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
5348 // fromX = boards[currentMove][fromY][fromX];
5349 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
5350 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
5351 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
5352 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
5356 /* [HGM] <popupFix> The following if has been moved here from
5357 UserMoveEvent(). Because it seemed to belon here (why not allow
5358 piece drops in training games?), and because it can only be
5359 performed after it is known to what we promote. */
5360 if (gameMode == Training) {
5361 /* compare the move played on the board to the next move in the
5362 * game. If they match, display the move and the opponent's response.
5363 * If they don't match, display an error message.
5366 Board testBoard; char testRights[BOARD_SIZE]; char testStatus;
5367 CopyBoard(testBoard, boards[currentMove]);
5368 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard, testRights, &testStatus);
5370 if (CompareBoards(testBoard, boards[currentMove+1])) {
5371 ForwardInner(currentMove+1);
5373 /* Autoplay the opponent's response.
5374 * if appData.animate was TRUE when Training mode was entered,
5375 * the response will be animated.
5377 saveAnimate = appData.animate;
5378 appData.animate = animateTraining;
5379 ForwardInner(currentMove+1);
5380 appData.animate = saveAnimate;
5382 /* check for the end of the game */
5383 if (currentMove >= forwardMostMove) {
5384 gameMode = PlayFromGameFile;
5386 SetTrainingModeOff();
5387 DisplayInformation(_("End of game"));
5390 DisplayError(_("Incorrect move"), 0);
5395 /* Ok, now we know that the move is good, so we can kill
5396 the previous line in Analysis Mode */
5397 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5398 forwardMostMove = currentMove;
5401 /* If we need the chess program but it's dead, restart it */
5402 ResurrectChessProgram();
5404 /* A user move restarts a paused game*/
5408 thinkOutput[0] = NULLCHAR;
5410 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
5412 if (gameMode == BeginningOfGame) {
5413 if (appData.noChessProgram) {
5414 gameMode = EditGame;
5418 gameMode = MachinePlaysBlack;
5421 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
5423 if (first.sendName) {
5424 sprintf(buf, "name %s\n", gameInfo.white);
5425 SendToProgram(buf, &first);
5431 if(appData.debugMode) fprintf(debugFP, "moveType 2 = %d, promochar = %x\n", moveType, promoChar);
5432 /* Relay move to ICS or chess engine */
5433 if (appData.icsActive) {
5434 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
5435 gameMode == IcsExamining) {
5436 SendMoveToICS(moveType, fromX, fromY, toX, toY);
5440 if (first.sendTime && (gameMode == BeginningOfGame ||
5441 gameMode == MachinePlaysWhite ||
5442 gameMode == MachinePlaysBlack)) {
5443 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
5445 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
5446 // [HGM] book: if program might be playing, let it use book
5447 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
5448 first.maybeThinking = TRUE;
5449 } else SendMoveToProgram(forwardMostMove-1, &first);
5450 if (currentMove == cmailOldMove + 1) {
5451 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
5455 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
5459 switch (MateTest(boards[currentMove], PosFlags(currentMove),
5460 EP_UNKNOWN, castlingRights[currentMove]) ) {
5466 if (WhiteOnMove(currentMove)) {
5467 GameEnds(BlackWins, "Black mates", GE_PLAYER);
5469 GameEnds(WhiteWins, "White mates", GE_PLAYER);
5473 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
5478 case MachinePlaysBlack:
5479 case MachinePlaysWhite:
5480 /* disable certain menu options while machine is thinking */
5481 SetMachineThinkingEnables();
5488 if(bookHit) { // [HGM] book: simulate book reply
5489 static char bookMove[MSG_SIZ]; // a bit generous?
5491 programStats.nodes = programStats.depth = programStats.time =
5492 programStats.score = programStats.got_only_move = 0;
5493 sprintf(programStats.movelist, "%s (xbook)", bookHit);
5495 strcpy(bookMove, "move ");
5496 strcat(bookMove, bookHit);
5497 HandleMachineMove(bookMove, &first);
5503 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
5504 int fromX, fromY, toX, toY;
5507 /* [HGM] This routine was added to allow calling of its two logical
5508 parts from other modules in the old way. Before, UserMoveEvent()
5509 automatically called FinishMove() if the move was OK, and returned
5510 otherwise. I separated the two, in order to make it possible to
5511 slip a promotion popup in between. But that it always needs two
5512 calls, to the first part, (now called UserMoveTest() ), and to
5513 FinishMove if the first part succeeded. Calls that do not need
5514 to do anything in between, can call this routine the old way.
5516 ChessMove moveType = UserMoveTest(fromX, fromY, toX, toY, promoChar, FALSE);
5517 if(appData.debugMode) fprintf(debugFP, "moveType 4 = %d, promochar = %x\n", moveType, promoChar);
5518 if(moveType == AmbiguousMove)
5519 DrawPosition(FALSE, boards[currentMove]);
5520 else if(moveType != ImpossibleMove && moveType != Comment)
5521 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
5524 void LeftClick(ClickType clickType, int xPix, int yPix)
5527 Boolean saveAnimate;
5528 static int second = 0, promotionChoice = 0;
5529 char promoChoice = NULLCHAR;
5531 if (clickType == Press) ErrorPopDown();
5533 x = EventToSquare(xPix, BOARD_WIDTH);
5534 y = EventToSquare(yPix, BOARD_HEIGHT);
5535 if (!flipView && y >= 0) {
5536 y = BOARD_HEIGHT - 1 - y;
5538 if (flipView && x >= 0) {
5539 x = BOARD_WIDTH - 1 - x;
5542 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
5543 if(clickType == Release) return; // ignore upclick of click-click destination
5544 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
5545 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
5546 if(gameInfo.holdingsWidth &&
5547 (WhiteOnMove(currentMove)
5548 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y > 0
5549 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT-1) ) {
5550 // click in right holdings, for determining promotion piece
5551 ChessSquare p = boards[currentMove][y][x];
5552 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
5553 if(p != EmptySquare) {
5554 FinishMove(NormalMove, fromX, fromY, toX, toY, ToLower(PieceToChar(p)));
5559 DrawPosition(FALSE, boards[currentMove]);
5563 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
5564 if(clickType == Press
5565 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
5566 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
5567 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
5571 if (clickType == Press) {
5573 if (OKToStartUserMove(x, y)) {
5577 DragPieceBegin(xPix, yPix);
5578 if (appData.highlightDragging) {
5579 SetHighlights(x, y, -1, -1);
5587 if (clickType == Press && gameMode != EditPosition) {
5592 // ignore off-board to clicks
5593 if(y < 0 || x < 0) return;
5595 /* Check if clicking again on the same color piece */
5596 fromP = boards[currentMove][fromY][fromX];
5597 toP = boards[currentMove][y][x];
5598 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom;
5599 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
5600 WhitePawn <= toP && toP <= WhiteKing &&
5601 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
5602 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
5603 (BlackPawn <= fromP && fromP <= BlackKing &&
5604 BlackPawn <= toP && toP <= BlackKing &&
5605 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
5606 !(fromP == BlackKing && toP == BlackRook && frc))) {
5607 /* Clicked again on same color piece -- changed his mind */
5608 second = (x == fromX && y == fromY);
5609 if (appData.highlightDragging) {
5610 SetHighlights(x, y, -1, -1);
5614 if (OKToStartUserMove(x, y)) {
5617 DragPieceBegin(xPix, yPix);
5621 // ignore clicks on holdings
5622 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
5625 if (clickType == Release && x == fromX && y == fromY) {
5626 DragPieceEnd(xPix, yPix);
5627 if (appData.animateDragging) {
5628 /* Undo animation damage if any */
5629 DrawPosition(FALSE, NULL);
5632 /* Second up/down in same square; just abort move */
5637 ClearPremoveHighlights();
5639 /* First upclick in same square; start click-click mode */
5640 SetHighlights(x, y, -1, -1);
5645 /* we now have a different from- and (possibly off-board) to-square */
5646 /* Completed move */
5649 saveAnimate = appData.animate;
5650 if (clickType == Press) {
5651 /* Finish clickclick move */
5652 if (appData.animate || appData.highlightLastMove) {
5653 SetHighlights(fromX, fromY, toX, toY);
5658 /* Finish drag move */
5659 if (appData.highlightLastMove) {
5660 SetHighlights(fromX, fromY, toX, toY);
5664 DragPieceEnd(xPix, yPix);
5665 /* Don't animate move and drag both */
5666 appData.animate = FALSE;
5669 // moves into holding are invalid for now (later perhaps allow in EditPosition)
5670 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
5676 // off-board moves should not be highlighted
5677 if(x < 0 || x < 0) ClearHighlights();
5679 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
5680 SetHighlights(fromX, fromY, toX, toY);
5681 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
5682 // [HGM] super: promotion to captured piece selected from holdings
5683 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
5684 promotionChoice = TRUE;
5685 // kludge follows to temporarily execute move on display, without promoting yet
5686 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
5687 boards[currentMove][toY][toX] = p;
5688 DrawPosition(FALSE, boards[currentMove]);
5689 boards[currentMove][fromY][fromX] = p; // take back, but display stays
5690 boards[currentMove][toY][toX] = q;
5691 DisplayMessage("Click in holdings to choose piece", "");
5696 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
5697 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
5698 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
5701 appData.animate = saveAnimate;
5702 if (appData.animate || appData.animateDragging) {
5703 /* Undo animation damage if needed */
5704 DrawPosition(FALSE, NULL);
5708 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
5710 // char * hint = lastHint;
5711 FrontEndProgramStats stats;
5713 stats.which = cps == &first ? 0 : 1;
5714 stats.depth = cpstats->depth;
5715 stats.nodes = cpstats->nodes;
5716 stats.score = cpstats->score;
5717 stats.time = cpstats->time;
5718 stats.pv = cpstats->movelist;
5719 stats.hint = lastHint;
5720 stats.an_move_index = 0;
5721 stats.an_move_count = 0;
5723 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
5724 stats.hint = cpstats->move_name;
5725 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
5726 stats.an_move_count = cpstats->nr_moves;
5729 SetProgramStats( &stats );
5732 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
5733 { // [HGM] book: this routine intercepts moves to simulate book replies
5734 char *bookHit = NULL;
5736 //first determine if the incoming move brings opponent into his book
5737 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
5738 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
5739 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
5740 if(bookHit != NULL && !cps->bookSuspend) {
5741 // make sure opponent is not going to reply after receiving move to book position
5742 SendToProgram("force\n", cps);
5743 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
5745 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
5746 // now arrange restart after book miss
5748 // after a book hit we never send 'go', and the code after the call to this routine
5749 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
5751 if (cps->useUsermove) sprintf(buf, "usermove "); // sorry, no SAN yet :(
5752 sprintf(buf, "%s\n", bookHit); // force book move into program supposed to play it
5753 SendToProgram(buf, cps);
5754 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
5755 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
5756 SendToProgram("go\n", cps);
5757 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
5758 } else { // 'go' might be sent based on 'firstMove' after this routine returns
5759 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
5760 SendToProgram("go\n", cps);
5761 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
5763 return bookHit; // notify caller of hit, so it can take action to send move to opponent
5767 ChessProgramState *savedState;
5768 void DeferredBookMove(void)
5770 if(savedState->lastPing != savedState->lastPong)
5771 ScheduleDelayedEvent(DeferredBookMove, 10);
5773 HandleMachineMove(savedMessage, savedState);
5777 HandleMachineMove(message, cps)
5779 ChessProgramState *cps;
5781 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
5782 char realname[MSG_SIZ];
5783 int fromX, fromY, toX, toY;
5790 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
5792 * Kludge to ignore BEL characters
5794 while (*message == '\007') message++;
5797 * [HGM] engine debug message: ignore lines starting with '#' character
5799 if(cps->debug && *message == '#') return;
5802 * Look for book output
5804 if (cps == &first && bookRequested) {
5805 if (message[0] == '\t' || message[0] == ' ') {
5806 /* Part of the book output is here; append it */
5807 strcat(bookOutput, message);
5808 strcat(bookOutput, " \n");
5810 } else if (bookOutput[0] != NULLCHAR) {
5811 /* All of book output has arrived; display it */
5812 char *p = bookOutput;
5813 while (*p != NULLCHAR) {
5814 if (*p == '\t') *p = ' ';
5817 DisplayInformation(bookOutput);
5818 bookRequested = FALSE;
5819 /* Fall through to parse the current output */
5824 * Look for machine move.
5826 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
5827 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
5829 /* This method is only useful on engines that support ping */
5830 if (cps->lastPing != cps->lastPong) {
5831 if (gameMode == BeginningOfGame) {
5832 /* Extra move from before last new; ignore */
5833 if (appData.debugMode) {
5834 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
5837 if (appData.debugMode) {
5838 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
5839 cps->which, gameMode);
5842 SendToProgram("undo\n", cps);
5848 case BeginningOfGame:
5849 /* Extra move from before last reset; ignore */
5850 if (appData.debugMode) {
5851 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
5858 /* Extra move after we tried to stop. The mode test is
5859 not a reliable way of detecting this problem, but it's
5860 the best we can do on engines that don't support ping.
5862 if (appData.debugMode) {
5863 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
5864 cps->which, gameMode);
5866 SendToProgram("undo\n", cps);
5869 case MachinePlaysWhite:
5870 case IcsPlayingWhite:
5871 machineWhite = TRUE;
5874 case MachinePlaysBlack:
5875 case IcsPlayingBlack:
5876 machineWhite = FALSE;
5879 case TwoMachinesPlay:
5880 machineWhite = (cps->twoMachinesColor[0] == 'w');
5883 if (WhiteOnMove(forwardMostMove) != machineWhite) {
5884 if (appData.debugMode) {
5886 "Ignoring move out of turn by %s, gameMode %d"
5887 ", forwardMost %d\n",
5888 cps->which, gameMode, forwardMostMove);
5893 if (appData.debugMode) { int f = forwardMostMove;
5894 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
5895 castlingRights[f][0],castlingRights[f][1],castlingRights[f][2],castlingRights[f][3],castlingRights[f][4],castlingRights[f][5]);
5897 if(cps->alphaRank) AlphaRank(machineMove, 4);
5898 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
5899 &fromX, &fromY, &toX, &toY, &promoChar)) {
5900 /* Machine move could not be parsed; ignore it. */
5901 sprintf(buf1, _("Illegal move \"%s\" from %s machine"),
5902 machineMove, cps->which);
5903 DisplayError(buf1, 0);
5904 sprintf(buf1, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
5905 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
5906 if (gameMode == TwoMachinesPlay) {
5907 GameEnds(machineWhite ? BlackWins : WhiteWins,
5913 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
5914 /* So we have to redo legality test with true e.p. status here, */
5915 /* to make sure an illegal e.p. capture does not slip through, */
5916 /* to cause a forfeit on a justified illegal-move complaint */
5917 /* of the opponent. */
5918 if( gameMode==TwoMachinesPlay && appData.testLegality
5919 && fromY != DROP_RANK /* [HGM] temporary; should still add legality test for drops */
5922 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
5923 epStatus[forwardMostMove], castlingRights[forwardMostMove],
5924 fromY, fromX, toY, toX, promoChar);
5925 if (appData.debugMode) {
5927 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
5928 castlingRights[forwardMostMove][i], castlingRank[i]);
5929 fprintf(debugFP, "castling rights\n");
5931 if(moveType == IllegalMove) {
5932 sprintf(buf1, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
5933 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
5934 GameEnds(machineWhite ? BlackWins : WhiteWins,
5937 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
5938 /* [HGM] Kludge to handle engines that send FRC-style castling
5939 when they shouldn't (like TSCP-Gothic) */
5941 case WhiteASideCastleFR:
5942 case BlackASideCastleFR:
5944 currentMoveString[2]++;
5946 case WhiteHSideCastleFR:
5947 case BlackHSideCastleFR:
5949 currentMoveString[2]--;
5951 default: ; // nothing to do, but suppresses warning of pedantic compilers
5954 hintRequested = FALSE;
5955 lastHint[0] = NULLCHAR;
5956 bookRequested = FALSE;
5957 /* Program may be pondering now */
5958 cps->maybeThinking = TRUE;
5959 if (cps->sendTime == 2) cps->sendTime = 1;
5960 if (cps->offeredDraw) cps->offeredDraw--;
5963 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
5965 SendMoveToICS(moveType, fromX, fromY, toX, toY);
5967 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
5968 char buf[3*MSG_SIZ];
5970 sprintf(buf, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
5971 programStats.score / 100.,
5973 programStats.time / 100.,
5974 (unsigned int)programStats.nodes,
5975 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
5976 programStats.movelist);
5978 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
5982 /* currentMoveString is set as a side-effect of ParseOneMove */
5983 strcpy(machineMove, currentMoveString);
5984 strcat(machineMove, "\n");
5985 strcpy(moveList[forwardMostMove], machineMove);
5987 /* [AS] Save move info and clear stats for next move */
5988 pvInfoList[ forwardMostMove ].score = programStats.score;
5989 pvInfoList[ forwardMostMove ].depth = programStats.depth;
5990 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
5991 ClearProgramStats();
5992 thinkOutput[0] = NULLCHAR;
5993 hiddenThinkOutputState = 0;
5995 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
5997 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
5998 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
6001 while( count < adjudicateLossPlies ) {
6002 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
6005 score = -score; /* Flip score for winning side */
6008 if( score > adjudicateLossThreshold ) {
6015 if( count >= adjudicateLossPlies ) {
6016 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6018 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6019 "Xboard adjudication",
6026 if( gameMode == TwoMachinesPlay ) {
6027 // [HGM] some adjudications useful with buggy engines
6028 int k, count = 0, epFile = epStatus[forwardMostMove]; static int bare = 1;
6029 if(gameInfo.holdingsSize == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6032 if( appData.testLegality )
6033 { /* [HGM] Some more adjudications for obstinate engines */
6034 int NrWN=0, NrBN=0, NrWB=0, NrBB=0, NrWR=0, NrBR=0,
6035 NrWQ=0, NrBQ=0, NrW=0, NrK=0, bishopsColor = 0,
6036 NrPieces=0, NrPawns=0, PawnAdvance=0, i, j;
6037 static int moveCount = 6;
6039 char *reason = NULL;
6041 /* Count what is on board. */
6042 for(i=0; i<BOARD_HEIGHT; i++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
6043 { ChessSquare p = boards[forwardMostMove][i][j];
6047 { /* count B,N,R and other of each side */
6050 NrK++; break; // [HGM] atomic: count Kings
6054 case WhiteFerz: // [HGM] shatranj: kludge to mke it work in shatranj
6055 bishopsColor |= 1 << ((i^j)&1);
6060 case BlackFerz: // [HGM] shatranj: kludge to mke it work in shatranj
6061 bishopsColor |= 1 << ((i^j)&1);
6076 PawnAdvance += m; NrPawns++;
6078 NrPieces += (p != EmptySquare);
6079 NrW += ((int)p < (int)BlackPawn);
6080 if(gameInfo.variant == VariantXiangqi &&
6081 (p == WhiteFerz || p == WhiteAlfil || p == BlackFerz || p == BlackAlfil)) {
6082 NrPieces--; // [HGM] XQ: do not count purely defensive pieces
6083 NrW -= ((int)p < (int)BlackPawn);
6087 /* Some material-based adjudications that have to be made before stalemate test */
6088 if(gameInfo.variant == VariantAtomic && NrK < 2) {
6089 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
6090 epStatus[forwardMostMove] = EP_CHECKMATE; // make claimable as if stm is checkmated
6091 if(appData.checkMates) {
6092 SendMoveToProgram(forwardMostMove-1, cps->other); // make sure opponent gets move
6093 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6094 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
6095 "Xboard adjudication: King destroyed", GE_XBOARD );
6100 /* Bare King in Shatranj (loses) or Losers (wins) */
6101 if( NrW == 1 || NrPieces - NrW == 1) {
6102 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
6103 epStatus[forwardMostMove] = EP_WINS; // mark as win, so it becomes claimable
6104 if(appData.checkMates) {
6105 SendMoveToProgram(forwardMostMove-1, cps->other); // make sure opponent gets to see move
6106 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6107 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6108 "Xboard adjudication: Bare king", GE_XBOARD );
6112 if( gameInfo.variant == VariantShatranj && --bare < 0)
6114 epStatus[forwardMostMove] = EP_WINS; // make claimable as win for stm
6115 if(appData.checkMates) {
6116 /* but only adjudicate if adjudication enabled */
6117 SendMoveToProgram(forwardMostMove-1, cps->other); // make sure opponent gets move
6118 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6119 GameEnds( NrW > 1 ? WhiteWins : NrPieces - NrW > 1 ? BlackWins : GameIsDrawn,
6120 "Xboard adjudication: Bare king", GE_XBOARD );
6127 // don't wait for engine to announce game end if we can judge ourselves
6128 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove), epFile,
6129 castlingRights[forwardMostMove]) ) {
6131 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
6132 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
6133 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
6134 if(MateTest(boards[i], PosFlags(i), epStatus[i], castlingRights[i]) == MT_CHECK)
6137 reason = "Xboard adjudication: 3rd check";
6138 epStatus[forwardMostMove] = EP_CHECKMATE;
6148 reason = "Xboard adjudication: Stalemate";
6149 if(epStatus[forwardMostMove] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
6150 epStatus[forwardMostMove] = EP_STALEMATE; // default result for stalemate is draw
6151 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
6152 epStatus[forwardMostMove] = EP_WINS; // in these variants stalemated is always a win
6153 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
6154 epStatus[forwardMostMove] = NrW == NrPieces-NrW ? EP_STALEMATE :
6155 ((NrW < NrPieces-NrW) != WhiteOnMove(forwardMostMove) ?
6156 EP_CHECKMATE : EP_WINS);
6157 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
6158 epStatus[forwardMostMove] = EP_CHECKMATE; // and in these variants being stalemated loses
6162 reason = "Xboard adjudication: Checkmate";
6163 epStatus[forwardMostMove] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
6167 switch(i = epStatus[forwardMostMove]) {
6169 result = GameIsDrawn; break;
6171 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
6173 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
6175 result = (ChessMove) 0;
6177 if(appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
6178 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
6179 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6180 GameEnds( result, reason, GE_XBOARD );
6184 /* Next absolutely insufficient mating material. */
6185 if( NrPieces == 2 || gameInfo.variant != VariantXiangqi &&
6186 gameInfo.variant != VariantShatranj && // [HGM] baring will remain possible
6187 (NrPieces == 3 && NrWN+NrBN+NrWB+NrBB == 1 ||
6188 NrPieces == NrBB+NrWB+2 && bishopsColor != 3)) // [HGM] all Bishops (Ferz!) same color
6189 { /* KBK, KNK, KK of KBKB with like Bishops */
6191 /* always flag draws, for judging claims */
6192 epStatus[forwardMostMove] = EP_INSUF_DRAW;
6194 if(appData.materialDraws) {
6195 /* but only adjudicate them if adjudication enabled */
6196 SendToProgram("force\n", cps->other); // suppress reply
6197 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see last move */
6198 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6199 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
6204 /* Then some trivial draws (only adjudicate, cannot be claimed) */
6206 ( NrWR == 1 && NrBR == 1 /* KRKR */
6207 || NrWQ==1 && NrBQ==1 /* KQKQ */
6208 || NrWN==2 || NrBN==2 /* KNNK */
6209 || NrWN+NrWB == 1 && NrBN+NrBB == 1 /* KBKN, KBKB, KNKN */
6211 if(--moveCount < 0 && appData.trivialDraws)
6212 { /* if the first 3 moves do not show a tactical win, declare draw */
6213 SendToProgram("force\n", cps->other); // suppress reply
6214 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
6215 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6216 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
6219 } else moveCount = 6;
6223 if (appData.debugMode) { int i;
6224 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
6225 forwardMostMove, backwardMostMove, epStatus[backwardMostMove],
6226 appData.drawRepeats);
6227 for( i=forwardMostMove; i>=backwardMostMove; i-- )
6228 fprintf(debugFP, "%d ep=%d\n", i, epStatus[i]);
6232 /* Check for rep-draws */
6234 for(k = forwardMostMove-2;
6235 k>=backwardMostMove && k>=forwardMostMove-100 &&
6236 epStatus[k] < EP_UNKNOWN &&
6237 epStatus[k+2] <= EP_NONE && epStatus[k+1] <= EP_NONE;
6240 if(CompareBoards(boards[k], boards[forwardMostMove])) {
6241 /* compare castling rights */
6242 if( castlingRights[forwardMostMove][2] != castlingRights[k][2] &&
6243 (castlingRights[k][0] >= 0 || castlingRights[k][1] >= 0) )
6244 rights++; /* King lost rights, while rook still had them */
6245 if( castlingRights[forwardMostMove][2] >= 0 ) { /* king has rights */
6246 if( castlingRights[forwardMostMove][0] != castlingRights[k][0] ||
6247 castlingRights[forwardMostMove][1] != castlingRights[k][1] )
6248 rights++; /* but at least one rook lost them */
6250 if( castlingRights[forwardMostMove][5] != castlingRights[k][5] &&
6251 (castlingRights[k][3] >= 0 || castlingRights[k][4] >= 0) )
6253 if( castlingRights[forwardMostMove][5] >= 0 ) {
6254 if( castlingRights[forwardMostMove][3] != castlingRights[k][3] ||
6255 castlingRights[forwardMostMove][4] != castlingRights[k][4] )
6258 if( rights == 0 && ++count > appData.drawRepeats-2
6259 && appData.drawRepeats > 1) {
6260 /* adjudicate after user-specified nr of repeats */
6261 SendToProgram("force\n", cps->other); // suppress reply
6262 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
6263 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6264 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
6265 // [HGM] xiangqi: check for forbidden perpetuals
6266 int m, ourPerpetual = 1, hisPerpetual = 1;
6267 for(m=forwardMostMove; m>k; m-=2) {
6268 if(MateTest(boards[m], PosFlags(m),
6269 EP_NONE, castlingRights[m]) != MT_CHECK)
6270 ourPerpetual = 0; // the current mover did not always check
6271 if(MateTest(boards[m-1], PosFlags(m-1),
6272 EP_NONE, castlingRights[m-1]) != MT_CHECK)
6273 hisPerpetual = 0; // the opponent did not always check
6275 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
6276 ourPerpetual, hisPerpetual);
6277 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
6278 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6279 "Xboard adjudication: perpetual checking", GE_XBOARD );
6282 if(hisPerpetual && !ourPerpetual) // he is checking us, but did not repeat yet
6283 break; // (or we would have caught him before). Abort repetition-checking loop.
6284 // Now check for perpetual chases
6285 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
6286 hisPerpetual = PerpetualChase(k, forwardMostMove);
6287 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
6288 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
6289 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6290 "Xboard adjudication: perpetual chasing", GE_XBOARD );
6293 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
6294 break; // Abort repetition-checking loop.
6296 // if neither of us is checking or chasing all the time, or both are, it is draw
6298 GameEnds( GameIsDrawn, "Xboard adjudication: repetition draw", GE_XBOARD );
6301 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
6302 epStatus[forwardMostMove] = EP_REP_DRAW;
6306 /* Now we test for 50-move draws. Determine ply count */
6307 count = forwardMostMove;
6308 /* look for last irreversble move */
6309 while( epStatus[count] <= EP_NONE && count > backwardMostMove )
6311 /* if we hit starting position, add initial plies */
6312 if( count == backwardMostMove )
6313 count -= initialRulePlies;
6314 count = forwardMostMove - count;
6316 epStatus[forwardMostMove] = EP_RULE_DRAW;
6317 /* this is used to judge if draw claims are legal */
6318 if(appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
6319 SendToProgram("force\n", cps->other); // suppress reply
6320 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
6321 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6322 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
6326 /* if draw offer is pending, treat it as a draw claim
6327 * when draw condition present, to allow engines a way to
6328 * claim draws before making their move to avoid a race
6329 * condition occurring after their move
6331 if( cps->other->offeredDraw || cps->offeredDraw ) {
6333 if(epStatus[forwardMostMove] == EP_RULE_DRAW)
6334 p = "Draw claim: 50-move rule";
6335 if(epStatus[forwardMostMove] == EP_REP_DRAW)
6336 p = "Draw claim: 3-fold repetition";
6337 if(epStatus[forwardMostMove] == EP_INSUF_DRAW)
6338 p = "Draw claim: insufficient mating material";
6340 SendToProgram("force\n", cps->other); // suppress reply
6341 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
6342 GameEnds( GameIsDrawn, p, GE_XBOARD );
6343 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6349 if( appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
6350 SendToProgram("force\n", cps->other); // suppress reply
6351 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
6352 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6354 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
6361 if (gameMode == TwoMachinesPlay) {
6362 /* [HGM] relaying draw offers moved to after reception of move */
6363 /* and interpreting offer as claim if it brings draw condition */
6364 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
6365 SendToProgram("draw\n", cps->other);
6367 if (cps->other->sendTime) {
6368 SendTimeRemaining(cps->other,
6369 cps->other->twoMachinesColor[0] == 'w');
6371 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
6372 if (firstMove && !bookHit) {
6374 if (cps->other->useColors) {
6375 SendToProgram(cps->other->twoMachinesColor, cps->other);
6377 SendToProgram("go\n", cps->other);
6379 cps->other->maybeThinking = TRUE;
6382 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6384 if (!pausing && appData.ringBellAfterMoves) {
6389 * Reenable menu items that were disabled while
6390 * machine was thinking
6392 if (gameMode != TwoMachinesPlay)
6393 SetUserThinkingEnables();
6395 // [HGM] book: after book hit opponent has received move and is now in force mode
6396 // force the book reply into it, and then fake that it outputted this move by jumping
6397 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
6399 static char bookMove[MSG_SIZ]; // a bit generous?
6401 strcpy(bookMove, "move ");
6402 strcat(bookMove, bookHit);
6405 programStats.nodes = programStats.depth = programStats.time =
6406 programStats.score = programStats.got_only_move = 0;
6407 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6409 if(cps->lastPing != cps->lastPong) {
6410 savedMessage = message; // args for deferred call
6412 ScheduleDelayedEvent(DeferredBookMove, 10);
6421 /* Set special modes for chess engines. Later something general
6422 * could be added here; for now there is just one kludge feature,
6423 * needed because Crafty 15.10 and earlier don't ignore SIGINT
6424 * when "xboard" is given as an interactive command.
6426 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
6427 cps->useSigint = FALSE;
6428 cps->useSigterm = FALSE;
6430 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
6431 ParseFeatures(message+8, cps);
6432 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
6435 /* [HGM] Allow engine to set up a position. Don't ask me why one would
6436 * want this, I was asked to put it in, and obliged.
6438 if (!strncmp(message, "setboard ", 9)) {
6439 Board initial_position; int i;
6441 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
6443 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
6444 DisplayError(_("Bad FEN received from engine"), 0);
6448 CopyBoard(boards[0], initial_position);
6449 initialRulePlies = FENrulePlies;
6450 epStatus[0] = FENepStatus;
6451 for( i=0; i<nrCastlingRights; i++ )
6452 castlingRights[0][i] = FENcastlingRights[i];
6453 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
6454 else gameMode = MachinePlaysBlack;
6455 DrawPosition(FALSE, boards[currentMove]);
6461 * Look for communication commands
6463 if (!strncmp(message, "telluser ", 9)) {
6464 DisplayNote(message + 9);
6467 if (!strncmp(message, "tellusererror ", 14)) {
6468 DisplayError(message + 14, 0);
6471 if (!strncmp(message, "tellopponent ", 13)) {
6472 if (appData.icsActive) {
6474 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
6478 DisplayNote(message + 13);
6482 if (!strncmp(message, "tellothers ", 11)) {
6483 if (appData.icsActive) {
6485 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
6491 if (!strncmp(message, "tellall ", 8)) {
6492 if (appData.icsActive) {
6494 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
6498 DisplayNote(message + 8);
6502 if (strncmp(message, "warning", 7) == 0) {
6503 /* Undocumented feature, use tellusererror in new code */
6504 DisplayError(message, 0);
6507 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
6508 strcpy(realname, cps->tidy);
6509 strcat(realname, " query");
6510 AskQuestion(realname, buf2, buf1, cps->pr);
6513 /* Commands from the engine directly to ICS. We don't allow these to be
6514 * sent until we are logged on. Crafty kibitzes have been known to
6515 * interfere with the login process.
6518 if (!strncmp(message, "tellics ", 8)) {
6519 SendToICS(message + 8);
6523 if (!strncmp(message, "tellicsnoalias ", 15)) {
6524 SendToICS(ics_prefix);
6525 SendToICS(message + 15);
6529 /* The following are for backward compatibility only */
6530 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
6531 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
6532 SendToICS(ics_prefix);
6538 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
6542 * If the move is illegal, cancel it and redraw the board.
6543 * Also deal with other error cases. Matching is rather loose
6544 * here to accommodate engines written before the spec.
6546 if (strncmp(message + 1, "llegal move", 11) == 0 ||
6547 strncmp(message, "Error", 5) == 0) {
6548 if (StrStr(message, "name") ||
6549 StrStr(message, "rating") || StrStr(message, "?") ||
6550 StrStr(message, "result") || StrStr(message, "board") ||
6551 StrStr(message, "bk") || StrStr(message, "computer") ||
6552 StrStr(message, "variant") || StrStr(message, "hint") ||
6553 StrStr(message, "random") || StrStr(message, "depth") ||
6554 StrStr(message, "accepted")) {
6557 if (StrStr(message, "protover")) {
6558 /* Program is responding to input, so it's apparently done
6559 initializing, and this error message indicates it is
6560 protocol version 1. So we don't need to wait any longer
6561 for it to initialize and send feature commands. */
6562 FeatureDone(cps, 1);
6563 cps->protocolVersion = 1;
6566 cps->maybeThinking = FALSE;
6568 if (StrStr(message, "draw")) {
6569 /* Program doesn't have "draw" command */
6570 cps->sendDrawOffers = 0;
6573 if (cps->sendTime != 1 &&
6574 (StrStr(message, "time") || StrStr(message, "otim"))) {
6575 /* Program apparently doesn't have "time" or "otim" command */
6579 if (StrStr(message, "analyze")) {
6580 cps->analysisSupport = FALSE;
6581 cps->analyzing = FALSE;
6583 sprintf(buf2, _("%s does not support analysis"), cps->tidy);
6584 DisplayError(buf2, 0);
6587 if (StrStr(message, "(no matching move)st")) {
6588 /* Special kludge for GNU Chess 4 only */
6589 cps->stKludge = TRUE;
6590 SendTimeControl(cps, movesPerSession, timeControl,
6591 timeIncrement, appData.searchDepth,
6595 if (StrStr(message, "(no matching move)sd")) {
6596 /* Special kludge for GNU Chess 4 only */
6597 cps->sdKludge = TRUE;
6598 SendTimeControl(cps, movesPerSession, timeControl,
6599 timeIncrement, appData.searchDepth,
6603 if (!StrStr(message, "llegal")) {
6606 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
6607 gameMode == IcsIdle) return;
6608 if (forwardMostMove <= backwardMostMove) return;
6609 if (pausing) PauseEvent();
6610 if(appData.forceIllegal) {
6611 // [HGM] illegal: machine refused move; force position after move into it
6612 SendToProgram("force\n", cps);
6613 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
6614 // we have a real problem now, as SendBoard will use the a2a3 kludge
6615 // when black is to move, while there might be nothing on a2 or black
6616 // might already have the move. So send the board as if white has the move.
6617 // But first we must change the stm of the engine, as it refused the last move
6618 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
6619 if(WhiteOnMove(forwardMostMove)) {
6620 SendToProgram("a7a6\n", cps); // for the engine black still had the move
6621 SendBoard(cps, forwardMostMove); // kludgeless board
6623 SendToProgram("a2a3\n", cps); // for the engine white still had the move
6624 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
6625 SendBoard(cps, forwardMostMove+1); // kludgeless board
6627 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
6628 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
6629 gameMode == TwoMachinesPlay)
6630 SendToProgram("go\n", cps);
6633 if (gameMode == PlayFromGameFile) {
6634 /* Stop reading this game file */
6635 gameMode = EditGame;
6638 currentMove = --forwardMostMove;
6639 DisplayMove(currentMove-1); /* before DisplayMoveError */
6641 DisplayBothClocks();
6642 sprintf(buf1, _("Illegal move \"%s\" (rejected by %s chess program)"),
6643 parseList[currentMove], cps->which);
6644 DisplayMoveError(buf1);
6645 DrawPosition(FALSE, boards[currentMove]);
6647 /* [HGM] illegal-move claim should forfeit game when Xboard */
6648 /* only passes fully legal moves */
6649 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
6650 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
6651 "False illegal-move claim", GE_XBOARD );
6655 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
6656 /* Program has a broken "time" command that
6657 outputs a string not ending in newline.
6663 * If chess program startup fails, exit with an error message.
6664 * Attempts to recover here are futile.
6666 if ((StrStr(message, "unknown host") != NULL)
6667 || (StrStr(message, "No remote directory") != NULL)
6668 || (StrStr(message, "not found") != NULL)
6669 || (StrStr(message, "No such file") != NULL)
6670 || (StrStr(message, "can't alloc") != NULL)
6671 || (StrStr(message, "Permission denied") != NULL)) {
6673 cps->maybeThinking = FALSE;
6674 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
6675 cps->which, cps->program, cps->host, message);
6676 RemoveInputSource(cps->isr);
6677 DisplayFatalError(buf1, 0, 1);
6682 * Look for hint output
6684 if (sscanf(message, "Hint: %s", buf1) == 1) {
6685 if (cps == &first && hintRequested) {
6686 hintRequested = FALSE;
6687 if (ParseOneMove(buf1, forwardMostMove, &moveType,
6688 &fromX, &fromY, &toX, &toY, &promoChar)) {
6689 (void) CoordsToAlgebraic(boards[forwardMostMove],
6690 PosFlags(forwardMostMove), EP_UNKNOWN,
6691 fromY, fromX, toY, toX, promoChar, buf1);
6692 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
6693 DisplayInformation(buf2);
6695 /* Hint move could not be parsed!? */
6696 snprintf(buf2, sizeof(buf2),
6697 _("Illegal hint move \"%s\"\nfrom %s chess program"),
6699 DisplayError(buf2, 0);
6702 strcpy(lastHint, buf1);
6708 * Ignore other messages if game is not in progress
6710 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
6711 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
6714 * look for win, lose, draw, or draw offer
6716 if (strncmp(message, "1-0", 3) == 0) {
6717 char *p, *q, *r = "";
6718 p = strchr(message, '{');
6726 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
6728 } else if (strncmp(message, "0-1", 3) == 0) {
6729 char *p, *q, *r = "";
6730 p = strchr(message, '{');
6738 /* Kludge for Arasan 4.1 bug */
6739 if (strcmp(r, "Black resigns") == 0) {
6740 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
6743 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
6745 } else if (strncmp(message, "1/2", 3) == 0) {
6746 char *p, *q, *r = "";
6747 p = strchr(message, '{');
6756 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
6759 } else if (strncmp(message, "White resign", 12) == 0) {
6760 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
6762 } else if (strncmp(message, "Black resign", 12) == 0) {
6763 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
6765 } else if (strncmp(message, "White matches", 13) == 0 ||
6766 strncmp(message, "Black matches", 13) == 0 ) {
6767 /* [HGM] ignore GNUShogi noises */
6769 } else if (strncmp(message, "White", 5) == 0 &&
6770 message[5] != '(' &&
6771 StrStr(message, "Black") == NULL) {
6772 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
6774 } else if (strncmp(message, "Black", 5) == 0 &&
6775 message[5] != '(') {
6776 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
6778 } else if (strcmp(message, "resign") == 0 ||
6779 strcmp(message, "computer resigns") == 0) {
6781 case MachinePlaysBlack:
6782 case IcsPlayingBlack:
6783 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
6785 case MachinePlaysWhite:
6786 case IcsPlayingWhite:
6787 GameEnds(BlackWins, "White resigns", GE_ENGINE);
6789 case TwoMachinesPlay:
6790 if (cps->twoMachinesColor[0] == 'w')
6791 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
6793 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
6800 } else if (strncmp(message, "opponent mates", 14) == 0) {
6802 case MachinePlaysBlack:
6803 case IcsPlayingBlack:
6804 GameEnds(WhiteWins, "White mates", GE_ENGINE);
6806 case MachinePlaysWhite:
6807 case IcsPlayingWhite:
6808 GameEnds(BlackWins, "Black mates", GE_ENGINE);
6810 case TwoMachinesPlay:
6811 if (cps->twoMachinesColor[0] == 'w')
6812 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
6814 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
6821 } else if (strncmp(message, "computer mates", 14) == 0) {
6823 case MachinePlaysBlack:
6824 case IcsPlayingBlack:
6825 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
6827 case MachinePlaysWhite:
6828 case IcsPlayingWhite:
6829 GameEnds(WhiteWins, "White mates", GE_ENGINE);
6831 case TwoMachinesPlay:
6832 if (cps->twoMachinesColor[0] == 'w')
6833 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
6835 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
6842 } else if (strncmp(message, "checkmate", 9) == 0) {
6843 if (WhiteOnMove(forwardMostMove)) {
6844 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
6846 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
6849 } else if (strstr(message, "Draw") != NULL ||
6850 strstr(message, "game is a draw") != NULL) {
6851 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
6853 } else if (strstr(message, "offer") != NULL &&
6854 strstr(message, "draw") != NULL) {
6856 if (appData.zippyPlay && first.initDone) {
6857 /* Relay offer to ICS */
6858 SendToICS(ics_prefix);
6859 SendToICS("draw\n");
6862 cps->offeredDraw = 2; /* valid until this engine moves twice */
6863 if (gameMode == TwoMachinesPlay) {
6864 if (cps->other->offeredDraw) {
6865 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
6866 /* [HGM] in two-machine mode we delay relaying draw offer */
6867 /* until after we also have move, to see if it is really claim */
6869 } else if (gameMode == MachinePlaysWhite ||
6870 gameMode == MachinePlaysBlack) {
6871 if (userOfferedDraw) {
6872 DisplayInformation(_("Machine accepts your draw offer"));
6873 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
6875 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
6882 * Look for thinking output
6884 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
6885 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
6887 int plylev, mvleft, mvtot, curscore, time;
6888 char mvname[MOVE_LEN];
6892 int prefixHint = FALSE;
6893 mvname[0] = NULLCHAR;
6896 case MachinePlaysBlack:
6897 case IcsPlayingBlack:
6898 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
6900 case MachinePlaysWhite:
6901 case IcsPlayingWhite:
6902 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
6907 case IcsObserving: /* [DM] icsEngineAnalyze */
6908 if (!appData.icsEngineAnalyze) ignore = TRUE;
6910 case TwoMachinesPlay:
6911 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
6922 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
6923 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
6925 if (plyext != ' ' && plyext != '\t') {
6929 /* [AS] Negate score if machine is playing black and reporting absolute scores */
6930 if( cps->scoreIsAbsolute &&
6931 ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) )
6933 curscore = -curscore;
6937 programStats.depth = plylev;
6938 programStats.nodes = nodes;
6939 programStats.time = time;
6940 programStats.score = curscore;
6941 programStats.got_only_move = 0;
6943 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
6946 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
6947 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
6948 if(WhiteOnMove(forwardMostMove))
6949 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
6950 else blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
6953 /* Buffer overflow protection */
6954 if (buf1[0] != NULLCHAR) {
6955 if (strlen(buf1) >= sizeof(programStats.movelist)
6956 && appData.debugMode) {
6958 "PV is too long; using the first %d bytes.\n",
6959 sizeof(programStats.movelist) - 1);
6962 safeStrCpy( programStats.movelist, buf1, sizeof(programStats.movelist) );
6964 sprintf(programStats.movelist, " no PV\n");
6967 if (programStats.seen_stat) {
6968 programStats.ok_to_send = 1;
6971 if (strchr(programStats.movelist, '(') != NULL) {
6972 programStats.line_is_book = 1;
6973 programStats.nr_moves = 0;
6974 programStats.moves_left = 0;
6976 programStats.line_is_book = 0;
6979 SendProgramStatsToFrontend( cps, &programStats );
6982 [AS] Protect the thinkOutput buffer from overflow... this
6983 is only useful if buf1 hasn't overflowed first!
6985 sprintf(thinkOutput, "[%d]%c%+.2f %s%s",
6987 (gameMode == TwoMachinesPlay ?
6988 ToUpper(cps->twoMachinesColor[0]) : ' '),
6989 ((double) curscore) / 100.0,
6990 prefixHint ? lastHint : "",
6991 prefixHint ? " " : "" );
6993 if( buf1[0] != NULLCHAR ) {
6994 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
6996 if( strlen(buf1) > max_len ) {
6997 if( appData.debugMode) {
6998 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
7000 buf1[max_len+1] = '\0';
7003 strcat( thinkOutput, buf1 );
7006 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
7007 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7008 DisplayMove(currentMove - 1);
7012 } else if ((p=StrStr(message, "(only move)")) != NULL) {
7013 /* crafty (9.25+) says "(only move) <move>"
7014 * if there is only 1 legal move
7016 sscanf(p, "(only move) %s", buf1);
7017 sprintf(thinkOutput, "%s (only move)", buf1);
7018 sprintf(programStats.movelist, "%s (only move)", buf1);
7019 programStats.depth = 1;
7020 programStats.nr_moves = 1;
7021 programStats.moves_left = 1;
7022 programStats.nodes = 1;
7023 programStats.time = 1;
7024 programStats.got_only_move = 1;
7026 /* Not really, but we also use this member to
7027 mean "line isn't going to change" (Crafty
7028 isn't searching, so stats won't change) */
7029 programStats.line_is_book = 1;
7031 SendProgramStatsToFrontend( cps, &programStats );
7033 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
7034 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7035 DisplayMove(currentMove - 1);
7038 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
7039 &time, &nodes, &plylev, &mvleft,
7040 &mvtot, mvname) >= 5) {
7041 /* The stat01: line is from Crafty (9.29+) in response
7042 to the "." command */
7043 programStats.seen_stat = 1;
7044 cps->maybeThinking = TRUE;
7046 if (programStats.got_only_move || !appData.periodicUpdates)
7049 programStats.depth = plylev;
7050 programStats.time = time;
7051 programStats.nodes = nodes;
7052 programStats.moves_left = mvleft;
7053 programStats.nr_moves = mvtot;
7054 strcpy(programStats.move_name, mvname);
7055 programStats.ok_to_send = 1;
7056 programStats.movelist[0] = '\0';
7058 SendProgramStatsToFrontend( cps, &programStats );
7062 } else if (strncmp(message,"++",2) == 0) {
7063 /* Crafty 9.29+ outputs this */
7064 programStats.got_fail = 2;
7067 } else if (strncmp(message,"--",2) == 0) {
7068 /* Crafty 9.29+ outputs this */
7069 programStats.got_fail = 1;
7072 } else if (thinkOutput[0] != NULLCHAR &&
7073 strncmp(message, " ", 4) == 0) {
7074 unsigned message_len;
7077 while (*p && *p == ' ') p++;
7079 message_len = strlen( p );
7081 /* [AS] Avoid buffer overflow */
7082 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
7083 strcat(thinkOutput, " ");
7084 strcat(thinkOutput, p);
7087 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
7088 strcat(programStats.movelist, " ");
7089 strcat(programStats.movelist, p);
7092 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
7093 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7094 DisplayMove(currentMove - 1);
7102 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7103 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
7105 ChessProgramStats cpstats;
7107 if (plyext != ' ' && plyext != '\t') {
7111 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7112 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
7113 curscore = -curscore;
7116 cpstats.depth = plylev;
7117 cpstats.nodes = nodes;
7118 cpstats.time = time;
7119 cpstats.score = curscore;
7120 cpstats.got_only_move = 0;
7121 cpstats.movelist[0] = '\0';
7123 if (buf1[0] != NULLCHAR) {
7124 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist) );
7127 cpstats.ok_to_send = 0;
7128 cpstats.line_is_book = 0;
7129 cpstats.nr_moves = 0;
7130 cpstats.moves_left = 0;
7132 SendProgramStatsToFrontend( cps, &cpstats );
7139 /* Parse a game score from the character string "game", and
7140 record it as the history of the current game. The game
7141 score is NOT assumed to start from the standard position.
7142 The display is not updated in any way.
7145 ParseGameHistory(game)
7149 int fromX, fromY, toX, toY, boardIndex;
7154 if (appData.debugMode)
7155 fprintf(debugFP, "Parsing game history: %s\n", game);
7157 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
7158 gameInfo.site = StrSave(appData.icsHost);
7159 gameInfo.date = PGNDate();
7160 gameInfo.round = StrSave("-");
7162 /* Parse out names of players */
7163 while (*game == ' ') game++;
7165 while (*game != ' ') *p++ = *game++;
7167 gameInfo.white = StrSave(buf);
7168 while (*game == ' ') game++;
7170 while (*game != ' ' && *game != '\n') *p++ = *game++;
7172 gameInfo.black = StrSave(buf);
7175 boardIndex = blackPlaysFirst ? 1 : 0;
7178 yyboardindex = boardIndex;
7179 moveType = (ChessMove) yylex();
7181 case IllegalMove: /* maybe suicide chess, etc. */
7182 if (appData.debugMode) {
7183 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
7184 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
7185 setbuf(debugFP, NULL);
7187 case WhitePromotionChancellor:
7188 case BlackPromotionChancellor:
7189 case WhitePromotionArchbishop:
7190 case BlackPromotionArchbishop:
7191 case WhitePromotionQueen:
7192 case BlackPromotionQueen:
7193 case WhitePromotionRook:
7194 case BlackPromotionRook:
7195 case WhitePromotionBishop:
7196 case BlackPromotionBishop:
7197 case WhitePromotionKnight:
7198 case BlackPromotionKnight:
7199 case WhitePromotionKing:
7200 case BlackPromotionKing:
7202 case WhiteCapturesEnPassant:
7203 case BlackCapturesEnPassant:
7204 case WhiteKingSideCastle:
7205 case WhiteQueenSideCastle:
7206 case BlackKingSideCastle:
7207 case BlackQueenSideCastle:
7208 case WhiteKingSideCastleWild:
7209 case WhiteQueenSideCastleWild:
7210 case BlackKingSideCastleWild:
7211 case BlackQueenSideCastleWild:
7213 case WhiteHSideCastleFR:
7214 case WhiteASideCastleFR:
7215 case BlackHSideCastleFR:
7216 case BlackASideCastleFR:
7218 fromX = currentMoveString[0] - AAA;
7219 fromY = currentMoveString[1] - ONE;
7220 toX = currentMoveString[2] - AAA;
7221 toY = currentMoveString[3] - ONE;
7222 promoChar = currentMoveString[4];
7226 fromX = moveType == WhiteDrop ?
7227 (int) CharToPiece(ToUpper(currentMoveString[0])) :
7228 (int) CharToPiece(ToLower(currentMoveString[0]));
7230 toX = currentMoveString[2] - AAA;
7231 toY = currentMoveString[3] - ONE;
7232 promoChar = NULLCHAR;
7236 sprintf(buf, _("Ambiguous move in ICS output: \"%s\""), yy_text);
7237 if (appData.debugMode) {
7238 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
7239 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
7240 setbuf(debugFP, NULL);
7242 DisplayError(buf, 0);
7244 case ImpossibleMove:
7246 sprintf(buf, _("Illegal move in ICS output: \"%s\""), yy_text);
7247 if (appData.debugMode) {
7248 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
7249 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
7250 setbuf(debugFP, NULL);
7252 DisplayError(buf, 0);
7254 case (ChessMove) 0: /* end of file */
7255 if (boardIndex < backwardMostMove) {
7256 /* Oops, gap. How did that happen? */
7257 DisplayError(_("Gap in move list"), 0);
7260 backwardMostMove = blackPlaysFirst ? 1 : 0;
7261 if (boardIndex > forwardMostMove) {
7262 forwardMostMove = boardIndex;
7266 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
7267 strcat(parseList[boardIndex-1], " ");
7268 strcat(parseList[boardIndex-1], yy_text);
7280 case GameUnfinished:
7281 if (gameMode == IcsExamining) {
7282 if (boardIndex < backwardMostMove) {
7283 /* Oops, gap. How did that happen? */
7286 backwardMostMove = blackPlaysFirst ? 1 : 0;
7289 gameInfo.result = moveType;
7290 p = strchr(yy_text, '{');
7291 if (p == NULL) p = strchr(yy_text, '(');
7294 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
7296 q = strchr(p, *p == '{' ? '}' : ')');
7297 if (q != NULL) *q = NULLCHAR;
7300 gameInfo.resultDetails = StrSave(p);
7303 if (boardIndex >= forwardMostMove &&
7304 !(gameMode == IcsObserving && ics_gamenum == -1)) {
7305 backwardMostMove = blackPlaysFirst ? 1 : 0;
7308 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
7309 EP_UNKNOWN, fromY, fromX, toY, toX, promoChar,
7310 parseList[boardIndex]);
7311 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
7312 {int i; for(i=0; i<BOARD_SIZE; i++) castlingRights[boardIndex+1][i] = castlingRights[boardIndex][i];}
7313 /* currentMoveString is set as a side-effect of yylex */
7314 strcpy(moveList[boardIndex], currentMoveString);
7315 strcat(moveList[boardIndex], "\n");
7317 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex],
7318 castlingRights[boardIndex], &epStatus[boardIndex]);
7319 switch (MateTest(boards[boardIndex], PosFlags(boardIndex),
7320 EP_UNKNOWN, castlingRights[boardIndex]) ) {
7326 if(gameInfo.variant != VariantShogi)
7327 strcat(parseList[boardIndex - 1], "+");
7331 strcat(parseList[boardIndex - 1], "#");
7338 /* Apply a move to the given board */
7340 ApplyMove(fromX, fromY, toX, toY, promoChar, board, castling, ep)
7341 int fromX, fromY, toX, toY;
7347 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
7349 /* [HGM] compute & store e.p. status and castling rights for new position */
7350 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
7353 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
7357 if( board[toY][toX] != EmptySquare )
7360 if( board[fromY][fromX] == WhitePawn ) {
7361 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
7364 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
7365 gameInfo.variant != VariantBerolina || toX < fromX)
7366 *ep = toX | berolina;
7367 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
7368 gameInfo.variant != VariantBerolina || toX > fromX)
7372 if( board[fromY][fromX] == BlackPawn ) {
7373 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
7375 if( toY-fromY== -2) {
7376 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
7377 gameInfo.variant != VariantBerolina || toX < fromX)
7378 *ep = toX | berolina;
7379 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
7380 gameInfo.variant != VariantBerolina || toX > fromX)
7385 for(i=0; i<nrCastlingRights; i++) {
7386 if(castling[i] == fromX && castlingRank[i] == fromY ||
7387 castling[i] == toX && castlingRank[i] == toY
7388 ) castling[i] = -1; // revoke for moved or captured piece
7393 /* [HGM] In Shatranj and Courier all promotions are to Ferz */
7394 if((gameInfo.variant==VariantShatranj || gameInfo.variant==VariantCourier)
7395 && promoChar != 0) promoChar = PieceToChar(WhiteFerz);
7397 if (fromX == toX && fromY == toY) return;
7399 if (fromY == DROP_RANK) {
7401 piece = board[toY][toX] = (ChessSquare) fromX;
7403 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
7404 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
7405 if(gameInfo.variant == VariantKnightmate)
7406 king += (int) WhiteUnicorn - (int) WhiteKing;
7408 /* Code added by Tord: */
7409 /* FRC castling assumed when king captures friendly rook. */
7410 if (board[fromY][fromX] == WhiteKing &&
7411 board[toY][toX] == WhiteRook) {
7412 board[fromY][fromX] = EmptySquare;
7413 board[toY][toX] = EmptySquare;
7415 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
7417 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
7419 } else if (board[fromY][fromX] == BlackKing &&
7420 board[toY][toX] == BlackRook) {
7421 board[fromY][fromX] = EmptySquare;
7422 board[toY][toX] = EmptySquare;
7424 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
7426 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
7428 /* End of code added by Tord */
7430 } else if (board[fromY][fromX] == king
7431 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
7432 && toY == fromY && toX > fromX+1) {
7433 board[fromY][fromX] = EmptySquare;
7434 board[toY][toX] = king;
7435 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
7436 board[fromY][BOARD_RGHT-1] = EmptySquare;
7437 } else if (board[fromY][fromX] == king
7438 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
7439 && toY == fromY && toX < fromX-1) {
7440 board[fromY][fromX] = EmptySquare;
7441 board[toY][toX] = king;
7442 board[toY][toX+1] = board[fromY][BOARD_LEFT];
7443 board[fromY][BOARD_LEFT] = EmptySquare;
7444 } else if (board[fromY][fromX] == WhitePawn
7445 && toY == BOARD_HEIGHT-1
7446 && gameInfo.variant != VariantXiangqi
7448 /* white pawn promotion */
7449 board[toY][toX] = CharToPiece(ToUpper(promoChar));
7450 if (board[toY][toX] == EmptySquare) {
7451 board[toY][toX] = WhiteQueen;
7453 if(gameInfo.variant==VariantBughouse ||
7454 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
7455 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
7456 board[fromY][fromX] = EmptySquare;
7457 } else if ((fromY == BOARD_HEIGHT-4)
7459 && gameInfo.variant != VariantXiangqi
7460 && gameInfo.variant != VariantBerolina
7461 && (board[fromY][fromX] == WhitePawn)
7462 && (board[toY][toX] == EmptySquare)) {
7463 board[fromY][fromX] = EmptySquare;
7464 board[toY][toX] = WhitePawn;
7465 captured = board[toY - 1][toX];
7466 board[toY - 1][toX] = EmptySquare;
7467 } else if ((fromY == BOARD_HEIGHT-4)
7469 && gameInfo.variant == VariantBerolina
7470 && (board[fromY][fromX] == WhitePawn)
7471 && (board[toY][toX] == EmptySquare)) {
7472 board[fromY][fromX] = EmptySquare;
7473 board[toY][toX] = WhitePawn;
7474 if(oldEP & EP_BEROLIN_A) {
7475 captured = board[fromY][fromX-1];
7476 board[fromY][fromX-1] = EmptySquare;
7477 }else{ captured = board[fromY][fromX+1];
7478 board[fromY][fromX+1] = EmptySquare;
7480 } else if (board[fromY][fromX] == king
7481 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
7482 && toY == fromY && toX > fromX+1) {
7483 board[fromY][fromX] = EmptySquare;
7484 board[toY][toX] = king;
7485 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
7486 board[fromY][BOARD_RGHT-1] = EmptySquare;
7487 } else if (board[fromY][fromX] == king
7488 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
7489 && toY == fromY && toX < fromX-1) {
7490 board[fromY][fromX] = EmptySquare;
7491 board[toY][toX] = king;
7492 board[toY][toX+1] = board[fromY][BOARD_LEFT];
7493 board[fromY][BOARD_LEFT] = EmptySquare;
7494 } else if (fromY == 7 && fromX == 3
7495 && board[fromY][fromX] == BlackKing
7496 && toY == 7 && toX == 5) {
7497 board[fromY][fromX] = EmptySquare;
7498 board[toY][toX] = BlackKing;
7499 board[fromY][7] = EmptySquare;
7500 board[toY][4] = BlackRook;
7501 } else if (fromY == 7 && fromX == 3
7502 && board[fromY][fromX] == BlackKing
7503 && toY == 7 && toX == 1) {
7504 board[fromY][fromX] = EmptySquare;
7505 board[toY][toX] = BlackKing;
7506 board[fromY][0] = EmptySquare;
7507 board[toY][2] = BlackRook;
7508 } else if (board[fromY][fromX] == BlackPawn
7510 && gameInfo.variant != VariantXiangqi
7512 /* black pawn promotion */
7513 board[0][toX] = CharToPiece(ToLower(promoChar));
7514 if (board[0][toX] == EmptySquare) {
7515 board[0][toX] = BlackQueen;
7517 if(gameInfo.variant==VariantBughouse ||
7518 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
7519 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
7520 board[fromY][fromX] = EmptySquare;
7521 } else if ((fromY == 3)
7523 && gameInfo.variant != VariantXiangqi
7524 && gameInfo.variant != VariantBerolina
7525 && (board[fromY][fromX] == BlackPawn)
7526 && (board[toY][toX] == EmptySquare)) {
7527 board[fromY][fromX] = EmptySquare;
7528 board[toY][toX] = BlackPawn;
7529 captured = board[toY + 1][toX];
7530 board[toY + 1][toX] = EmptySquare;
7531 } else if ((fromY == 3)
7533 && gameInfo.variant == VariantBerolina
7534 && (board[fromY][fromX] == BlackPawn)
7535 && (board[toY][toX] == EmptySquare)) {
7536 board[fromY][fromX] = EmptySquare;
7537 board[toY][toX] = BlackPawn;
7538 if(oldEP & EP_BEROLIN_A) {
7539 captured = board[fromY][fromX-1];
7540 board[fromY][fromX-1] = EmptySquare;
7541 }else{ captured = board[fromY][fromX+1];
7542 board[fromY][fromX+1] = EmptySquare;
7545 board[toY][toX] = board[fromY][fromX];
7546 board[fromY][fromX] = EmptySquare;
7549 /* [HGM] now we promote for Shogi, if needed */
7550 if(gameInfo.variant == VariantShogi && promoChar == 'q')
7551 board[toY][toX] = (ChessSquare) (PROMOTED piece);
7554 if (gameInfo.holdingsWidth != 0) {
7556 /* !!A lot more code needs to be written to support holdings */
7557 /* [HGM] OK, so I have written it. Holdings are stored in the */
7558 /* penultimate board files, so they are automaticlly stored */
7559 /* in the game history. */
7560 if (fromY == DROP_RANK) {
7561 /* Delete from holdings, by decreasing count */
7562 /* and erasing image if necessary */
7564 if(p < (int) BlackPawn) { /* white drop */
7565 p -= (int)WhitePawn;
7566 p = PieceToNumber((ChessSquare)p);
7567 if(p >= gameInfo.holdingsSize) p = 0;
7568 if(--board[p][BOARD_WIDTH-2] <= 0)
7569 board[p][BOARD_WIDTH-1] = EmptySquare;
7570 if((int)board[p][BOARD_WIDTH-2] < 0)
7571 board[p][BOARD_WIDTH-2] = 0;
7572 } else { /* black drop */
7573 p -= (int)BlackPawn;
7574 p = PieceToNumber((ChessSquare)p);
7575 if(p >= gameInfo.holdingsSize) p = 0;
7576 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
7577 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
7578 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
7579 board[BOARD_HEIGHT-1-p][1] = 0;
7582 if (captured != EmptySquare && gameInfo.holdingsSize > 0
7583 && gameInfo.variant != VariantBughouse ) {
7584 /* [HGM] holdings: Add to holdings, if holdings exist */
7585 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
7586 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
7587 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
7590 if (p >= (int) BlackPawn) {
7591 p -= (int)BlackPawn;
7592 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
7593 /* in Shogi restore piece to its original first */
7594 captured = (ChessSquare) (DEMOTED captured);
7597 p = PieceToNumber((ChessSquare)p);
7598 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
7599 board[p][BOARD_WIDTH-2]++;
7600 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
7602 p -= (int)WhitePawn;
7603 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
7604 captured = (ChessSquare) (DEMOTED captured);
7607 p = PieceToNumber((ChessSquare)p);
7608 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
7609 board[BOARD_HEIGHT-1-p][1]++;
7610 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
7613 } else if (gameInfo.variant == VariantAtomic) {
7614 if (captured != EmptySquare) {
7616 for (y = toY-1; y <= toY+1; y++) {
7617 for (x = toX-1; x <= toX+1; x++) {
7618 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
7619 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
7620 board[y][x] = EmptySquare;
7624 board[toY][toX] = EmptySquare;
7627 if(gameInfo.variant == VariantShogi && promoChar != NULLCHAR && promoChar != '=') {
7628 /* [HGM] Shogi promotions */
7629 board[toY][toX] = (ChessSquare) (PROMOTED piece);
7632 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
7633 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
7634 // [HGM] superchess: take promotion piece out of holdings
7635 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
7636 if((int)piece < (int)BlackPawn) { // determine stm from piece color
7637 if(!--board[k][BOARD_WIDTH-2])
7638 board[k][BOARD_WIDTH-1] = EmptySquare;
7640 if(!--board[BOARD_HEIGHT-1-k][1])
7641 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
7647 /* Updates forwardMostMove */
7649 MakeMove(fromX, fromY, toX, toY, promoChar)
7650 int fromX, fromY, toX, toY;
7653 // forwardMostMove++; // [HGM] bare: moved downstream
7655 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
7656 int timeLeft; static int lastLoadFlag=0; int king, piece;
7657 piece = boards[forwardMostMove][fromY][fromX];
7658 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
7659 if(gameInfo.variant == VariantKnightmate)
7660 king += (int) WhiteUnicorn - (int) WhiteKing;
7661 if(forwardMostMove == 0) {
7663 fprintf(serverMoves, "%s;", second.tidy);
7664 fprintf(serverMoves, "%s;", first.tidy);
7665 if(!blackPlaysFirst)
7666 fprintf(serverMoves, "%s;", second.tidy);
7667 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
7668 lastLoadFlag = loadFlag;
7670 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
7671 // print castling suffix
7672 if( toY == fromY && piece == king ) {
7674 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
7676 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
7679 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
7680 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
7681 boards[forwardMostMove][toY][toX] == EmptySquare
7683 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
7685 if(promoChar != NULLCHAR)
7686 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
7688 fprintf(serverMoves, "/%d/%d",
7689 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
7690 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
7691 else timeLeft = blackTimeRemaining/1000;
7692 fprintf(serverMoves, "/%d", timeLeft);
7694 fflush(serverMoves);
7697 if (forwardMostMove+1 >= MAX_MOVES) {
7698 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
7702 if (commentList[forwardMostMove+1] != NULL) {
7703 free(commentList[forwardMostMove+1]);
7704 commentList[forwardMostMove+1] = NULL;
7706 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7707 {int i; for(i=0; i<BOARD_SIZE; i++) castlingRights[forwardMostMove+1][i] = castlingRights[forwardMostMove][i];}
7708 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1],
7709 castlingRights[forwardMostMove+1], &epStatus[forwardMostMove+1]);
7710 forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
7711 SwitchClocks(); // uses forwardMostMove, so must be done after incrementing it !
7712 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
7713 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
7714 gameInfo.result = GameUnfinished;
7715 if (gameInfo.resultDetails != NULL) {
7716 free(gameInfo.resultDetails);
7717 gameInfo.resultDetails = NULL;
7719 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
7720 moveList[forwardMostMove - 1]);
7721 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
7722 PosFlags(forwardMostMove - 1), EP_UNKNOWN,
7723 fromY, fromX, toY, toX, promoChar,
7724 parseList[forwardMostMove - 1]);
7725 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7726 epStatus[forwardMostMove], /* [HGM] use true e.p. */
7727 castlingRights[forwardMostMove]) ) {
7733 if(gameInfo.variant != VariantShogi)
7734 strcat(parseList[forwardMostMove - 1], "+");
7738 strcat(parseList[forwardMostMove - 1], "#");
7741 if (appData.debugMode) {
7742 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
7747 /* Updates currentMove if not pausing */
7749 ShowMove(fromX, fromY, toX, toY)
7751 int instant = (gameMode == PlayFromGameFile) ?
7752 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
7753 if(appData.noGUI) return;
7754 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
7756 if (forwardMostMove == currentMove + 1) {
7757 AnimateMove(boards[forwardMostMove - 1],
7758 fromX, fromY, toX, toY);
7760 if (appData.highlightLastMove) {
7761 SetHighlights(fromX, fromY, toX, toY);
7764 currentMove = forwardMostMove;
7767 if (instant) return;
7769 DisplayMove(currentMove - 1);
7770 DrawPosition(FALSE, boards[currentMove]);
7771 DisplayBothClocks();
7772 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
7775 void SendEgtPath(ChessProgramState *cps)
7776 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
7777 char buf[MSG_SIZ], name[MSG_SIZ], *p;
7779 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
7782 char c, *q = name+1, *r, *s;
7784 name[0] = ','; // extract next format name from feature and copy with prefixed ','
7785 while(*p && *p != ',') *q++ = *p++;
7787 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
7788 strcmp(name, ",nalimov:") == 0 ) {
7789 // take nalimov path from the menu-changeable option first, if it is defined
7790 sprintf(buf, "egtpath nalimov %s\n", appData.defaultPathEGTB);
7791 SendToProgram(buf,cps); // send egtbpath command for nalimov
7793 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
7794 (s = StrStr(appData.egtFormats, name)) != NULL) {
7795 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
7796 s = r = StrStr(s, ":") + 1; // beginning of path info
7797 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
7798 c = *r; *r = 0; // temporarily null-terminate path info
7799 *--q = 0; // strip of trailig ':' from name
7800 sprintf(buf, "egtpath %s %s\n", name+1, s);
7802 SendToProgram(buf,cps); // send egtbpath command for this format
7804 if(*p == ',') p++; // read away comma to position for next format name
7809 InitChessProgram(cps, setup)
7810 ChessProgramState *cps;
7811 int setup; /* [HGM] needed to setup FRC opening position */
7813 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
7814 if (appData.noChessProgram) return;
7815 hintRequested = FALSE;
7816 bookRequested = FALSE;
7818 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
7819 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
7820 if(cps->memSize) { /* [HGM] memory */
7821 sprintf(buf, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
7822 SendToProgram(buf, cps);
7824 SendEgtPath(cps); /* [HGM] EGT */
7825 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
7826 sprintf(buf, "cores %d\n", appData.smpCores);
7827 SendToProgram(buf, cps);
7830 SendToProgram(cps->initString, cps);
7831 if (gameInfo.variant != VariantNormal &&
7832 gameInfo.variant != VariantLoadable
7833 /* [HGM] also send variant if board size non-standard */
7834 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
7836 char *v = VariantName(gameInfo.variant);
7837 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
7838 /* [HGM] in protocol 1 we have to assume all variants valid */
7839 sprintf(buf, _("Variant %s not supported by %s"), v, cps->tidy);
7840 DisplayFatalError(buf, 0, 1);
7844 /* [HGM] make prefix for non-standard board size. Awkward testing... */
7845 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
7846 if( gameInfo.variant == VariantXiangqi )
7847 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
7848 if( gameInfo.variant == VariantShogi )
7849 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
7850 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
7851 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
7852 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
7853 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
7854 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
7855 if( gameInfo.variant == VariantCourier )
7856 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
7857 if( gameInfo.variant == VariantSuper )
7858 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
7859 if( gameInfo.variant == VariantGreat )
7860 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
7863 sprintf(b, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
7864 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
7865 /* [HGM] varsize: try first if this defiant size variant is specifically known */
7866 if(StrStr(cps->variants, b) == NULL) {
7867 // specific sized variant not known, check if general sizing allowed
7868 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
7869 if(StrStr(cps->variants, "boardsize") == NULL) {
7870 sprintf(buf, "Board size %dx%d+%d not supported by %s",
7871 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
7872 DisplayFatalError(buf, 0, 1);
7875 /* [HGM] here we really should compare with the maximum supported board size */
7878 } else sprintf(b, "%s", VariantName(gameInfo.variant));
7879 sprintf(buf, "variant %s\n", b);
7880 SendToProgram(buf, cps);
7882 currentlyInitializedVariant = gameInfo.variant;
7884 /* [HGM] send opening position in FRC to first engine */
7886 SendToProgram("force\n", cps);
7888 /* engine is now in force mode! Set flag to wake it up after first move. */
7889 setboardSpoiledMachineBlack = 1;
7893 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
7894 SendToProgram(buf, cps);
7896 cps->maybeThinking = FALSE;
7897 cps->offeredDraw = 0;
7898 if (!appData.icsActive) {
7899 SendTimeControl(cps, movesPerSession, timeControl,
7900 timeIncrement, appData.searchDepth,
7903 if (appData.showThinking
7904 // [HGM] thinking: four options require thinking output to be sent
7905 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7907 SendToProgram("post\n", cps);
7909 SendToProgram("hard\n", cps);
7910 if (!appData.ponderNextMove) {
7911 /* Warning: "easy" is a toggle in GNU Chess, so don't send
7912 it without being sure what state we are in first. "hard"
7913 is not a toggle, so that one is OK.
7915 SendToProgram("easy\n", cps);
7918 sprintf(buf, "ping %d\n", ++cps->lastPing);
7919 SendToProgram(buf, cps);
7921 cps->initDone = TRUE;
7926 StartChessProgram(cps)
7927 ChessProgramState *cps;
7932 if (appData.noChessProgram) return;
7933 cps->initDone = FALSE;
7935 if (strcmp(cps->host, "localhost") == 0) {
7936 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
7937 } else if (*appData.remoteShell == NULLCHAR) {
7938 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
7940 if (*appData.remoteUser == NULLCHAR) {
7941 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
7944 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
7945 cps->host, appData.remoteUser, cps->program);
7947 err = StartChildProcess(buf, "", &cps->pr);
7951 sprintf(buf, _("Startup failure on '%s'"), cps->program);
7952 DisplayFatalError(buf, err, 1);
7958 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
7959 if (cps->protocolVersion > 1) {
7960 sprintf(buf, "xboard\nprotover %d\n", cps->protocolVersion);
7961 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
7962 cps->comboCnt = 0; // and values of combo boxes
7963 SendToProgram(buf, cps);
7965 SendToProgram("xboard\n", cps);
7971 TwoMachinesEventIfReady P((void))
7973 if (first.lastPing != first.lastPong) {
7974 DisplayMessage("", _("Waiting for first chess program"));
7975 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
7978 if (second.lastPing != second.lastPong) {
7979 DisplayMessage("", _("Waiting for second chess program"));
7980 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
7988 NextMatchGame P((void))
7990 int index; /* [HGM] autoinc: step load index during match */
7992 if (*appData.loadGameFile != NULLCHAR) {
7993 index = appData.loadGameIndex;
7994 if(index < 0) { // [HGM] autoinc
7995 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
7996 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
7998 LoadGameFromFile(appData.loadGameFile,
8000 appData.loadGameFile, FALSE);
8001 } else if (*appData.loadPositionFile != NULLCHAR) {
8002 index = appData.loadPositionIndex;
8003 if(index < 0) { // [HGM] autoinc
8004 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8005 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8007 LoadPositionFromFile(appData.loadPositionFile,
8009 appData.loadPositionFile);
8011 TwoMachinesEventIfReady();
8014 void UserAdjudicationEvent( int result )
8016 ChessMove gameResult = GameIsDrawn;
8019 gameResult = WhiteWins;
8021 else if( result < 0 ) {
8022 gameResult = BlackWins;
8025 if( gameMode == TwoMachinesPlay ) {
8026 GameEnds( gameResult, "User adjudication", GE_XBOARD );
8031 // [HGM] save: calculate checksum of game to make games easily identifiable
8032 int StringCheckSum(char *s)
8035 if(s==NULL) return 0;
8036 while(*s) i = i*259 + *s++;
8043 for(i=backwardMostMove; i<forwardMostMove; i++) {
8044 sum += pvInfoList[i].depth;
8045 sum += StringCheckSum(parseList[i]);
8046 sum += StringCheckSum(commentList[i]);
8049 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
8050 return sum + StringCheckSum(commentList[i]);
8051 } // end of save patch
8054 GameEnds(result, resultDetails, whosays)
8056 char *resultDetails;
8059 GameMode nextGameMode;
8063 if(endingGame) return; /* [HGM] crash: forbid recursion */
8066 if (appData.debugMode) {
8067 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
8068 result, resultDetails ? resultDetails : "(null)", whosays);
8071 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
8072 /* If we are playing on ICS, the server decides when the
8073 game is over, but the engine can offer to draw, claim
8077 if (appData.zippyPlay && first.initDone) {
8078 if (result == GameIsDrawn) {
8079 /* In case draw still needs to be claimed */
8080 SendToICS(ics_prefix);
8081 SendToICS("draw\n");
8082 } else if (StrCaseStr(resultDetails, "resign")) {
8083 SendToICS(ics_prefix);
8084 SendToICS("resign\n");
8088 endingGame = 0; /* [HGM] crash */
8092 /* If we're loading the game from a file, stop */
8093 if (whosays == GE_FILE) {
8094 (void) StopLoadGameTimer();
8098 /* Cancel draw offers */
8099 first.offeredDraw = second.offeredDraw = 0;
8101 /* If this is an ICS game, only ICS can really say it's done;
8102 if not, anyone can. */
8103 isIcsGame = (gameMode == IcsPlayingWhite ||
8104 gameMode == IcsPlayingBlack ||
8105 gameMode == IcsObserving ||
8106 gameMode == IcsExamining);
8108 if (!isIcsGame || whosays == GE_ICS) {
8109 /* OK -- not an ICS game, or ICS said it was done */
8111 if (!isIcsGame && !appData.noChessProgram)
8112 SetUserThinkingEnables();
8114 /* [HGM] if a machine claims the game end we verify this claim */
8115 if(gameMode == TwoMachinesPlay && appData.testClaims) {
8116 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
8118 ChessMove trueResult = (ChessMove) -1;
8120 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
8121 first.twoMachinesColor[0] :
8122 second.twoMachinesColor[0] ;
8124 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
8125 if(epStatus[forwardMostMove] == EP_CHECKMATE) {
8126 /* [HGM] verify: engine mate claims accepted if they were flagged */
8127 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
8129 if(epStatus[forwardMostMove] == EP_WINS) { // added code for games where being mated is a win
8130 /* [HGM] verify: engine mate claims accepted if they were flagged */
8131 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8133 if(epStatus[forwardMostMove] == EP_STALEMATE) { // only used to indicate draws now
8134 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
8137 // now verify win claims, but not in drop games, as we don't understand those yet
8138 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
8139 || gameInfo.variant == VariantGreat) &&
8140 (result == WhiteWins && claimer == 'w' ||
8141 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
8142 if (appData.debugMode) {
8143 fprintf(debugFP, "result=%d sp=%d move=%d\n",
8144 result, epStatus[forwardMostMove], forwardMostMove);
8146 if(result != trueResult) {
8147 sprintf(buf, "False win claim: '%s'", resultDetails);
8148 result = claimer == 'w' ? BlackWins : WhiteWins;
8149 resultDetails = buf;
8152 if( result == GameIsDrawn && epStatus[forwardMostMove] > EP_DRAWS
8153 && (forwardMostMove <= backwardMostMove ||
8154 epStatus[forwardMostMove-1] > EP_DRAWS ||
8155 (claimer=='b')==(forwardMostMove&1))
8157 /* [HGM] verify: draws that were not flagged are false claims */
8158 sprintf(buf, "False draw claim: '%s'", resultDetails);
8159 result = claimer == 'w' ? BlackWins : WhiteWins;
8160 resultDetails = buf;
8162 /* (Claiming a loss is accepted no questions asked!) */
8164 /* [HGM] bare: don't allow bare King to win */
8165 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8166 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
8167 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
8168 && result != GameIsDrawn)
8169 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
8170 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
8171 int p = (int)boards[forwardMostMove][i][j] - color;
8172 if(p >= 0 && p <= (int)WhiteKing) k++;
8174 if (appData.debugMode) {
8175 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
8176 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
8179 result = GameIsDrawn;
8180 sprintf(buf, "%s but bare king", resultDetails);
8181 resultDetails = buf;
8187 if(serverMoves != NULL && !loadFlag) { char c = '=';
8188 if(result==WhiteWins) c = '+';
8189 if(result==BlackWins) c = '-';
8190 if(resultDetails != NULL)
8191 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
8193 if (resultDetails != NULL) {
8194 gameInfo.result = result;
8195 gameInfo.resultDetails = StrSave(resultDetails);
8197 /* display last move only if game was not loaded from file */
8198 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
8199 DisplayMove(currentMove - 1);
8201 if (forwardMostMove != 0) {
8202 if (gameMode != PlayFromGameFile && gameMode != EditGame
8203 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
8205 if (*appData.saveGameFile != NULLCHAR) {
8206 SaveGameToFile(appData.saveGameFile, TRUE);
8207 } else if (appData.autoSaveGames) {
8210 if (*appData.savePositionFile != NULLCHAR) {
8211 SavePositionToFile(appData.savePositionFile);
8216 /* Tell program how game ended in case it is learning */
8217 /* [HGM] Moved this to after saving the PGN, just in case */
8218 /* engine died and we got here through time loss. In that */
8219 /* case we will get a fatal error writing the pipe, which */
8220 /* would otherwise lose us the PGN. */
8221 /* [HGM] crash: not needed anymore, but doesn't hurt; */
8222 /* output during GameEnds should never be fatal anymore */
8223 if (gameMode == MachinePlaysWhite ||
8224 gameMode == MachinePlaysBlack ||
8225 gameMode == TwoMachinesPlay ||
8226 gameMode == IcsPlayingWhite ||
8227 gameMode == IcsPlayingBlack ||
8228 gameMode == BeginningOfGame) {
8230 sprintf(buf, "result %s {%s}\n", PGNResult(result),
8232 if (first.pr != NoProc) {
8233 SendToProgram(buf, &first);
8235 if (second.pr != NoProc &&
8236 gameMode == TwoMachinesPlay) {
8237 SendToProgram(buf, &second);
8242 if (appData.icsActive) {
8243 if (appData.quietPlay &&
8244 (gameMode == IcsPlayingWhite ||
8245 gameMode == IcsPlayingBlack)) {
8246 SendToICS(ics_prefix);
8247 SendToICS("set shout 1\n");
8249 nextGameMode = IcsIdle;
8250 ics_user_moved = FALSE;
8251 /* clean up premove. It's ugly when the game has ended and the
8252 * premove highlights are still on the board.
8256 ClearPremoveHighlights();
8257 DrawPosition(FALSE, boards[currentMove]);
8259 if (whosays == GE_ICS) {
8262 if (gameMode == IcsPlayingWhite)
8264 else if(gameMode == IcsPlayingBlack)
8268 if (gameMode == IcsPlayingBlack)
8270 else if(gameMode == IcsPlayingWhite)
8277 PlayIcsUnfinishedSound();
8280 } else if (gameMode == EditGame ||
8281 gameMode == PlayFromGameFile ||
8282 gameMode == AnalyzeMode ||
8283 gameMode == AnalyzeFile) {
8284 nextGameMode = gameMode;
8286 nextGameMode = EndOfGame;
8291 nextGameMode = gameMode;
8294 if (appData.noChessProgram) {
8295 gameMode = nextGameMode;
8297 endingGame = 0; /* [HGM] crash */
8302 /* Put first chess program into idle state */
8303 if (first.pr != NoProc &&
8304 (gameMode == MachinePlaysWhite ||
8305 gameMode == MachinePlaysBlack ||
8306 gameMode == TwoMachinesPlay ||
8307 gameMode == IcsPlayingWhite ||
8308 gameMode == IcsPlayingBlack ||
8309 gameMode == BeginningOfGame)) {
8310 SendToProgram("force\n", &first);
8311 if (first.usePing) {
8313 sprintf(buf, "ping %d\n", ++first.lastPing);
8314 SendToProgram(buf, &first);
8317 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
8318 /* Kill off first chess program */
8319 if (first.isr != NULL)
8320 RemoveInputSource(first.isr);
8323 if (first.pr != NoProc) {
8325 DoSleep( appData.delayBeforeQuit );
8326 SendToProgram("quit\n", &first);
8327 DoSleep( appData.delayAfterQuit );
8328 DestroyChildProcess(first.pr, first.useSigterm);
8333 /* Put second chess program into idle state */
8334 if (second.pr != NoProc &&
8335 gameMode == TwoMachinesPlay) {
8336 SendToProgram("force\n", &second);
8337 if (second.usePing) {
8339 sprintf(buf, "ping %d\n", ++second.lastPing);
8340 SendToProgram(buf, &second);
8343 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
8344 /* Kill off second chess program */
8345 if (second.isr != NULL)
8346 RemoveInputSource(second.isr);
8349 if (second.pr != NoProc) {
8350 DoSleep( appData.delayBeforeQuit );
8351 SendToProgram("quit\n", &second);
8352 DoSleep( appData.delayAfterQuit );
8353 DestroyChildProcess(second.pr, second.useSigterm);
8358 if (matchMode && gameMode == TwoMachinesPlay) {
8361 if (first.twoMachinesColor[0] == 'w') {
8368 if (first.twoMachinesColor[0] == 'b') {
8377 if (matchGame < appData.matchGames) {
8379 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
8380 tmp = first.twoMachinesColor;
8381 first.twoMachinesColor = second.twoMachinesColor;
8382 second.twoMachinesColor = tmp;
8384 gameMode = nextGameMode;
8386 if(appData.matchPause>10000 || appData.matchPause<10)
8387 appData.matchPause = 10000; /* [HGM] make pause adjustable */
8388 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
8389 endingGame = 0; /* [HGM] crash */
8393 gameMode = nextGameMode;
8394 sprintf(buf, _("Match %s vs. %s: final score %d-%d-%d"),
8395 first.tidy, second.tidy,
8396 first.matchWins, second.matchWins,
8397 appData.matchGames - (first.matchWins + second.matchWins));
8398 DisplayFatalError(buf, 0, 0);
8401 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
8402 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
8404 gameMode = nextGameMode;
8406 endingGame = 0; /* [HGM] crash */
8409 /* Assumes program was just initialized (initString sent).
8410 Leaves program in force mode. */
8412 FeedMovesToProgram(cps, upto)
8413 ChessProgramState *cps;
8418 if (appData.debugMode)
8419 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
8420 startedFromSetupPosition ? "position and " : "",
8421 backwardMostMove, upto, cps->which);
8422 if(currentlyInitializedVariant != gameInfo.variant) { char buf[MSG_SIZ];
8423 // [HGM] variantswitch: make engine aware of new variant
8424 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
8425 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
8426 sprintf(buf, "variant %s\n", VariantName(gameInfo.variant));
8427 SendToProgram(buf, cps);
8428 currentlyInitializedVariant = gameInfo.variant;
8430 SendToProgram("force\n", cps);
8431 if (startedFromSetupPosition) {
8432 SendBoard(cps, backwardMostMove);
8433 if (appData.debugMode) {
8434 fprintf(debugFP, "feedMoves\n");
8437 for (i = backwardMostMove; i < upto; i++) {
8438 SendMoveToProgram(i, cps);
8444 ResurrectChessProgram()
8446 /* The chess program may have exited.
8447 If so, restart it and feed it all the moves made so far. */
8449 if (appData.noChessProgram || first.pr != NoProc) return;
8451 StartChessProgram(&first);
8452 InitChessProgram(&first, FALSE);
8453 FeedMovesToProgram(&first, currentMove);
8455 if (!first.sendTime) {
8456 /* can't tell gnuchess what its clock should read,
8457 so we bow to its notion. */
8459 timeRemaining[0][currentMove] = whiteTimeRemaining;
8460 timeRemaining[1][currentMove] = blackTimeRemaining;
8463 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
8464 appData.icsEngineAnalyze) && first.analysisSupport) {
8465 SendToProgram("analyze\n", &first);
8466 first.analyzing = TRUE;
8479 if (appData.debugMode) {
8480 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
8481 redraw, init, gameMode);
8483 pausing = pauseExamInvalid = FALSE;
8484 startedFromSetupPosition = blackPlaysFirst = FALSE;
8486 whiteFlag = blackFlag = FALSE;
8487 userOfferedDraw = FALSE;
8488 hintRequested = bookRequested = FALSE;
8489 first.maybeThinking = FALSE;
8490 second.maybeThinking = FALSE;
8491 first.bookSuspend = FALSE; // [HGM] book
8492 second.bookSuspend = FALSE;
8493 thinkOutput[0] = NULLCHAR;
8494 lastHint[0] = NULLCHAR;
8495 ClearGameInfo(&gameInfo);
8496 gameInfo.variant = StringToVariant(appData.variant);
8497 ics_user_moved = ics_clock_paused = FALSE;
8498 ics_getting_history = H_FALSE;
8500 white_holding[0] = black_holding[0] = NULLCHAR;
8501 ClearProgramStats();
8502 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
8506 flipView = appData.flipView;
8507 ClearPremoveHighlights();
8509 alarmSounded = FALSE;
8511 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
8512 if(appData.serverMovesName != NULL) {
8513 /* [HGM] prepare to make moves file for broadcasting */
8514 clock_t t = clock();
8515 if(serverMoves != NULL) fclose(serverMoves);
8516 serverMoves = fopen(appData.serverMovesName, "r");
8517 if(serverMoves != NULL) {
8518 fclose(serverMoves);
8519 /* delay 15 sec before overwriting, so all clients can see end */
8520 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
8522 serverMoves = fopen(appData.serverMovesName, "w");
8526 gameMode = BeginningOfGame;
8528 if(appData.icsActive) gameInfo.variant = VariantNormal;
8529 currentMove = forwardMostMove = backwardMostMove = 0;
8530 InitPosition(redraw);
8531 for (i = 0; i < MAX_MOVES; i++) {
8532 if (commentList[i] != NULL) {
8533 free(commentList[i]);
8534 commentList[i] = NULL;
8538 timeRemaining[0][0] = whiteTimeRemaining;
8539 timeRemaining[1][0] = blackTimeRemaining;
8540 if (first.pr == NULL) {
8541 StartChessProgram(&first);
8544 InitChessProgram(&first, startedFromSetupPosition);
8547 DisplayMessage("", "");
8548 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
8549 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
8556 if (!AutoPlayOneMove())
8558 if (matchMode || appData.timeDelay == 0)
8560 if (appData.timeDelay < 0 || gameMode == AnalyzeFile)
8562 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
8571 int fromX, fromY, toX, toY;
8573 if (appData.debugMode) {
8574 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
8577 if (gameMode != PlayFromGameFile)
8580 if (currentMove >= forwardMostMove) {
8581 gameMode = EditGame;
8584 /* [AS] Clear current move marker at the end of a game */
8585 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
8590 toX = moveList[currentMove][2] - AAA;
8591 toY = moveList[currentMove][3] - ONE;
8593 if (moveList[currentMove][1] == '@') {
8594 if (appData.highlightLastMove) {
8595 SetHighlights(-1, -1, toX, toY);
8598 fromX = moveList[currentMove][0] - AAA;
8599 fromY = moveList[currentMove][1] - ONE;
8601 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
8603 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
8605 if (appData.highlightLastMove) {
8606 SetHighlights(fromX, fromY, toX, toY);
8609 DisplayMove(currentMove);
8610 SendMoveToProgram(currentMove++, &first);
8611 DisplayBothClocks();
8612 DrawPosition(FALSE, boards[currentMove]);
8613 // [HGM] PV info: always display, routine tests if empty
8614 DisplayComment(currentMove - 1, commentList[currentMove]);
8620 LoadGameOneMove(readAhead)
8621 ChessMove readAhead;
8623 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
8624 char promoChar = NULLCHAR;
8629 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
8630 gameMode != AnalyzeMode && gameMode != Training) {
8635 yyboardindex = forwardMostMove;
8636 if (readAhead != (ChessMove)0) {
8637 moveType = readAhead;
8639 if (gameFileFP == NULL)
8641 moveType = (ChessMove) yylex();
8647 if (appData.debugMode)
8648 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
8650 if (*p == '{' || *p == '[' || *p == '(') {
8651 p[strlen(p) - 1] = NULLCHAR;
8655 /* append the comment but don't display it */
8656 while (*p == '\n') p++;
8657 AppendComment(currentMove, p);
8660 case WhiteCapturesEnPassant:
8661 case BlackCapturesEnPassant:
8662 case WhitePromotionChancellor:
8663 case BlackPromotionChancellor:
8664 case WhitePromotionArchbishop:
8665 case BlackPromotionArchbishop:
8666 case WhitePromotionCentaur:
8667 case BlackPromotionCentaur:
8668 case WhitePromotionQueen:
8669 case BlackPromotionQueen:
8670 case WhitePromotionRook:
8671 case BlackPromotionRook:
8672 case WhitePromotionBishop:
8673 case BlackPromotionBishop:
8674 case WhitePromotionKnight:
8675 case BlackPromotionKnight:
8676 case WhitePromotionKing:
8677 case BlackPromotionKing:
8679 case WhiteKingSideCastle:
8680 case WhiteQueenSideCastle:
8681 case BlackKingSideCastle:
8682 case BlackQueenSideCastle:
8683 case WhiteKingSideCastleWild:
8684 case WhiteQueenSideCastleWild:
8685 case BlackKingSideCastleWild:
8686 case BlackQueenSideCastleWild:
8688 case WhiteHSideCastleFR:
8689 case WhiteASideCastleFR:
8690 case BlackHSideCastleFR:
8691 case BlackASideCastleFR:
8693 if (appData.debugMode)
8694 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
8695 fromX = currentMoveString[0] - AAA;
8696 fromY = currentMoveString[1] - ONE;
8697 toX = currentMoveString[2] - AAA;
8698 toY = currentMoveString[3] - ONE;
8699 promoChar = currentMoveString[4];
8704 if (appData.debugMode)
8705 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
8706 fromX = moveType == WhiteDrop ?
8707 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8708 (int) CharToPiece(ToLower(currentMoveString[0]));
8710 toX = currentMoveString[2] - AAA;
8711 toY = currentMoveString[3] - ONE;
8717 case GameUnfinished:
8718 if (appData.debugMode)
8719 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
8720 p = strchr(yy_text, '{');
8721 if (p == NULL) p = strchr(yy_text, '(');
8724 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8726 q = strchr(p, *p == '{' ? '}' : ')');
8727 if (q != NULL) *q = NULLCHAR;
8730 GameEnds(moveType, p, GE_FILE);
8732 if (cmailMsgLoaded) {
8734 flipView = WhiteOnMove(currentMove);
8735 if (moveType == GameUnfinished) flipView = !flipView;
8736 if (appData.debugMode)
8737 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
8741 case (ChessMove) 0: /* end of file */
8742 if (appData.debugMode)
8743 fprintf(debugFP, "Parser hit end of file\n");
8744 switch (MateTest(boards[currentMove], PosFlags(currentMove),
8745 EP_UNKNOWN, castlingRights[currentMove]) ) {
8751 if (WhiteOnMove(currentMove)) {
8752 GameEnds(BlackWins, "Black mates", GE_FILE);
8754 GameEnds(WhiteWins, "White mates", GE_FILE);
8758 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
8765 if (lastLoadGameStart == GNUChessGame) {
8766 /* GNUChessGames have numbers, but they aren't move numbers */
8767 if (appData.debugMode)
8768 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
8769 yy_text, (int) moveType);
8770 return LoadGameOneMove((ChessMove)0); /* tail recursion */
8772 /* else fall thru */
8777 /* Reached start of next game in file */
8778 if (appData.debugMode)
8779 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
8780 switch (MateTest(boards[currentMove], PosFlags(currentMove),
8781 EP_UNKNOWN, castlingRights[currentMove]) ) {
8787 if (WhiteOnMove(currentMove)) {
8788 GameEnds(BlackWins, "Black mates", GE_FILE);
8790 GameEnds(WhiteWins, "White mates", GE_FILE);
8794 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
8800 case PositionDiagram: /* should not happen; ignore */
8801 case ElapsedTime: /* ignore */
8802 case NAG: /* ignore */
8803 if (appData.debugMode)
8804 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
8805 yy_text, (int) moveType);
8806 return LoadGameOneMove((ChessMove)0); /* tail recursion */
8809 if (appData.testLegality) {
8810 if (appData.debugMode)
8811 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
8812 sprintf(move, _("Illegal move: %d.%s%s"),
8813 (forwardMostMove / 2) + 1,
8814 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
8815 DisplayError(move, 0);
8818 if (appData.debugMode)
8819 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
8820 yy_text, currentMoveString);
8821 fromX = currentMoveString[0] - AAA;
8822 fromY = currentMoveString[1] - ONE;
8823 toX = currentMoveString[2] - AAA;
8824 toY = currentMoveString[3] - ONE;
8825 promoChar = currentMoveString[4];
8830 if (appData.debugMode)
8831 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
8832 sprintf(move, _("Ambiguous move: %d.%s%s"),
8833 (forwardMostMove / 2) + 1,
8834 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
8835 DisplayError(move, 0);
8840 case ImpossibleMove:
8841 if (appData.debugMode)
8842 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
8843 sprintf(move, _("Illegal move: %d.%s%s"),
8844 (forwardMostMove / 2) + 1,
8845 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
8846 DisplayError(move, 0);
8852 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
8853 DrawPosition(FALSE, boards[currentMove]);
8854 DisplayBothClocks();
8855 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
8856 DisplayComment(currentMove - 1, commentList[currentMove]);
8858 (void) StopLoadGameTimer();
8860 cmailOldMove = forwardMostMove;
8863 /* currentMoveString is set as a side-effect of yylex */
8864 strcat(currentMoveString, "\n");
8865 strcpy(moveList[forwardMostMove], currentMoveString);
8867 thinkOutput[0] = NULLCHAR;
8868 MakeMove(fromX, fromY, toX, toY, promoChar);
8869 currentMove = forwardMostMove;
8874 /* Load the nth game from the given file */
8876 LoadGameFromFile(filename, n, title, useList)
8880 /*Boolean*/ int useList;
8885 if (strcmp(filename, "-") == 0) {
8889 f = fopen(filename, "rb");
8891 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
8892 DisplayError(buf, errno);
8896 if (fseek(f, 0, 0) == -1) {
8897 /* f is not seekable; probably a pipe */
8900 if (useList && n == 0) {
8901 int error = GameListBuild(f);
8903 DisplayError(_("Cannot build game list"), error);
8904 } else if (!ListEmpty(&gameList) &&
8905 ((ListGame *) gameList.tailPred)->number > 1) {
8906 GameListPopUp(f, title);
8913 return LoadGame(f, n, title, FALSE);
8918 MakeRegisteredMove()
8920 int fromX, fromY, toX, toY;
8922 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
8923 switch (cmailMoveType[lastLoadGameNumber - 1]) {
8926 if (appData.debugMode)
8927 fprintf(debugFP, "Restoring %s for game %d\n",
8928 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
8930 thinkOutput[0] = NULLCHAR;
8931 strcpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1]);
8932 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
8933 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
8934 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
8935 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
8936 promoChar = cmailMove[lastLoadGameNumber - 1][4];
8937 MakeMove(fromX, fromY, toX, toY, promoChar);
8938 ShowMove(fromX, fromY, toX, toY);
8940 switch (MateTest(boards[currentMove], PosFlags(currentMove),
8941 EP_UNKNOWN, castlingRights[currentMove]) ) {
8948 if (WhiteOnMove(currentMove)) {
8949 GameEnds(BlackWins, "Black mates", GE_PLAYER);
8951 GameEnds(WhiteWins, "White mates", GE_PLAYER);
8956 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
8963 if (WhiteOnMove(currentMove)) {
8964 GameEnds(BlackWins, "White resigns", GE_PLAYER);
8966 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
8971 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
8982 /* Wrapper around LoadGame for use when a Cmail message is loaded */
8984 CmailLoadGame(f, gameNumber, title, useList)
8992 if (gameNumber > nCmailGames) {
8993 DisplayError(_("No more games in this message"), 0);
8996 if (f == lastLoadGameFP) {
8997 int offset = gameNumber - lastLoadGameNumber;
8999 cmailMsg[0] = NULLCHAR;
9000 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9001 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
9002 nCmailMovesRegistered--;
9004 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
9005 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
9006 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
9009 if (! RegisterMove()) return FALSE;
9013 retVal = LoadGame(f, gameNumber, title, useList);
9015 /* Make move registered during previous look at this game, if any */
9016 MakeRegisteredMove();
9018 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
9019 commentList[currentMove]
9020 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
9021 DisplayComment(currentMove - 1, commentList[currentMove]);
9027 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
9032 int gameNumber = lastLoadGameNumber + offset;
9033 if (lastLoadGameFP == NULL) {
9034 DisplayError(_("No game has been loaded yet"), 0);
9037 if (gameNumber <= 0) {
9038 DisplayError(_("Can't back up any further"), 0);
9041 if (cmailMsgLoaded) {
9042 return CmailLoadGame(lastLoadGameFP, gameNumber,
9043 lastLoadGameTitle, lastLoadGameUseList);
9045 return LoadGame(lastLoadGameFP, gameNumber,
9046 lastLoadGameTitle, lastLoadGameUseList);
9052 /* Load the nth game from open file f */
9054 LoadGame(f, gameNumber, title, useList)
9062 int gn = gameNumber;
9063 ListGame *lg = NULL;
9066 GameMode oldGameMode;
9067 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
9069 if (appData.debugMode)
9070 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
9072 if (gameMode == Training )
9073 SetTrainingModeOff();
9075 oldGameMode = gameMode;
9076 if (gameMode != BeginningOfGame) {
9081 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
9082 fclose(lastLoadGameFP);
9086 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
9089 fseek(f, lg->offset, 0);
9090 GameListHighlight(gameNumber);
9094 DisplayError(_("Game number out of range"), 0);
9099 if (fseek(f, 0, 0) == -1) {
9100 if (f == lastLoadGameFP ?
9101 gameNumber == lastLoadGameNumber + 1 :
9105 DisplayError(_("Can't seek on game file"), 0);
9111 lastLoadGameNumber = gameNumber;
9112 strcpy(lastLoadGameTitle, title);
9113 lastLoadGameUseList = useList;
9117 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
9118 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
9119 lg->gameInfo.black);
9121 } else if (*title != NULLCHAR) {
9122 if (gameNumber > 1) {
9123 sprintf(buf, "%s %d", title, gameNumber);
9126 DisplayTitle(title);
9130 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
9131 gameMode = PlayFromGameFile;
9135 currentMove = forwardMostMove = backwardMostMove = 0;
9136 CopyBoard(boards[0], initialPosition);
9140 * Skip the first gn-1 games in the file.
9141 * Also skip over anything that precedes an identifiable
9142 * start of game marker, to avoid being confused by
9143 * garbage at the start of the file. Currently
9144 * recognized start of game markers are the move number "1",
9145 * the pattern "gnuchess .* game", the pattern
9146 * "^[#;%] [^ ]* game file", and a PGN tag block.
9147 * A game that starts with one of the latter two patterns
9148 * will also have a move number 1, possibly
9149 * following a position diagram.
9150 * 5-4-02: Let's try being more lenient and allowing a game to
9151 * start with an unnumbered move. Does that break anything?
9153 cm = lastLoadGameStart = (ChessMove) 0;
9155 yyboardindex = forwardMostMove;
9156 cm = (ChessMove) yylex();
9159 if (cmailMsgLoaded) {
9160 nCmailGames = CMAIL_MAX_GAMES - gn;
9163 DisplayError(_("Game not found in file"), 0);
9170 lastLoadGameStart = cm;
9174 switch (lastLoadGameStart) {
9181 gn--; /* count this game */
9182 lastLoadGameStart = cm;
9191 switch (lastLoadGameStart) {
9196 gn--; /* count this game */
9197 lastLoadGameStart = cm;
9200 lastLoadGameStart = cm; /* game counted already */
9208 yyboardindex = forwardMostMove;
9209 cm = (ChessMove) yylex();
9210 } while (cm == PGNTag || cm == Comment);
9217 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
9218 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
9219 != CMAIL_OLD_RESULT) {
9221 cmailResult[ CMAIL_MAX_GAMES
9222 - gn - 1] = CMAIL_OLD_RESULT;
9228 /* Only a NormalMove can be at the start of a game
9229 * without a position diagram. */
9230 if (lastLoadGameStart == (ChessMove) 0) {
9232 lastLoadGameStart = MoveNumberOne;
9241 if (appData.debugMode)
9242 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
9244 if (cm == XBoardGame) {
9245 /* Skip any header junk before position diagram and/or move 1 */
9247 yyboardindex = forwardMostMove;
9248 cm = (ChessMove) yylex();
9250 if (cm == (ChessMove) 0 ||
9251 cm == GNUChessGame || cm == XBoardGame) {
9252 /* Empty game; pretend end-of-file and handle later */
9257 if (cm == MoveNumberOne || cm == PositionDiagram ||
9258 cm == PGNTag || cm == Comment)
9261 } else if (cm == GNUChessGame) {
9262 if (gameInfo.event != NULL) {
9263 free(gameInfo.event);
9265 gameInfo.event = StrSave(yy_text);
9268 startedFromSetupPosition = FALSE;
9269 while (cm == PGNTag) {
9270 if (appData.debugMode)
9271 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
9272 err = ParsePGNTag(yy_text, &gameInfo);
9273 if (!err) numPGNTags++;
9275 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
9276 if(gameInfo.variant != oldVariant) {
9277 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
9279 oldVariant = gameInfo.variant;
9280 if (appData.debugMode)
9281 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
9285 if (gameInfo.fen != NULL) {
9286 Board initial_position;
9287 startedFromSetupPosition = TRUE;
9288 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
9290 DisplayError(_("Bad FEN position in file"), 0);
9293 CopyBoard(boards[0], initial_position);
9294 if (blackPlaysFirst) {
9295 currentMove = forwardMostMove = backwardMostMove = 1;
9296 CopyBoard(boards[1], initial_position);
9297 strcpy(moveList[0], "");
9298 strcpy(parseList[0], "");
9299 timeRemaining[0][1] = whiteTimeRemaining;
9300 timeRemaining[1][1] = blackTimeRemaining;
9301 if (commentList[0] != NULL) {
9302 commentList[1] = commentList[0];
9303 commentList[0] = NULL;
9306 currentMove = forwardMostMove = backwardMostMove = 0;
9308 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
9310 initialRulePlies = FENrulePlies;
9311 epStatus[forwardMostMove] = FENepStatus;
9312 for( i=0; i< nrCastlingRights; i++ )
9313 initialRights[i] = castlingRights[forwardMostMove][i] = FENcastlingRights[i];
9315 yyboardindex = forwardMostMove;
9317 gameInfo.fen = NULL;
9320 yyboardindex = forwardMostMove;
9321 cm = (ChessMove) yylex();
9323 /* Handle comments interspersed among the tags */
9324 while (cm == Comment) {
9326 if (appData.debugMode)
9327 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9329 if (*p == '{' || *p == '[' || *p == '(') {
9330 p[strlen(p) - 1] = NULLCHAR;
9333 while (*p == '\n') p++;
9334 AppendComment(currentMove, p);
9335 yyboardindex = forwardMostMove;
9336 cm = (ChessMove) yylex();
9340 /* don't rely on existence of Event tag since if game was
9341 * pasted from clipboard the Event tag may not exist
9343 if (numPGNTags > 0){
9345 if (gameInfo.variant == VariantNormal) {
9346 gameInfo.variant = StringToVariant(gameInfo.event);
9349 if( appData.autoDisplayTags ) {
9350 tags = PGNTags(&gameInfo);
9351 TagsPopUp(tags, CmailMsg());
9356 /* Make something up, but don't display it now */
9361 if (cm == PositionDiagram) {
9364 Board initial_position;
9366 if (appData.debugMode)
9367 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
9369 if (!startedFromSetupPosition) {
9371 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
9372 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
9382 initial_position[i][j++] = CharToPiece(*p);
9385 while (*p == ' ' || *p == '\t' ||
9386 *p == '\n' || *p == '\r') p++;
9388 if (strncmp(p, "black", strlen("black"))==0)
9389 blackPlaysFirst = TRUE;
9391 blackPlaysFirst = FALSE;
9392 startedFromSetupPosition = TRUE;
9394 CopyBoard(boards[0], initial_position);
9395 if (blackPlaysFirst) {
9396 currentMove = forwardMostMove = backwardMostMove = 1;
9397 CopyBoard(boards[1], initial_position);
9398 strcpy(moveList[0], "");
9399 strcpy(parseList[0], "");
9400 timeRemaining[0][1] = whiteTimeRemaining;
9401 timeRemaining[1][1] = blackTimeRemaining;
9402 if (commentList[0] != NULL) {
9403 commentList[1] = commentList[0];
9404 commentList[0] = NULL;
9407 currentMove = forwardMostMove = backwardMostMove = 0;
9410 yyboardindex = forwardMostMove;
9411 cm = (ChessMove) yylex();
9414 if (first.pr == NoProc) {
9415 StartChessProgram(&first);
9417 InitChessProgram(&first, FALSE);
9418 SendToProgram("force\n", &first);
9419 if (startedFromSetupPosition) {
9420 SendBoard(&first, forwardMostMove);
9421 if (appData.debugMode) {
9422 fprintf(debugFP, "Load Game\n");
9424 DisplayBothClocks();
9427 /* [HGM] server: flag to write setup moves in broadcast file as one */
9428 loadFlag = appData.suppressLoadMoves;
9430 while (cm == Comment) {
9432 if (appData.debugMode)
9433 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9435 if (*p == '{' || *p == '[' || *p == '(') {
9436 p[strlen(p) - 1] = NULLCHAR;
9439 while (*p == '\n') p++;
9440 AppendComment(currentMove, p);
9441 yyboardindex = forwardMostMove;
9442 cm = (ChessMove) yylex();
9445 if ((cm == (ChessMove) 0 && lastLoadGameStart != (ChessMove) 0) ||
9446 cm == WhiteWins || cm == BlackWins ||
9447 cm == GameIsDrawn || cm == GameUnfinished) {
9448 DisplayMessage("", _("No moves in game"));
9449 if (cmailMsgLoaded) {
9450 if (appData.debugMode)
9451 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
9455 DrawPosition(FALSE, boards[currentMove]);
9456 DisplayBothClocks();
9457 gameMode = EditGame;
9464 // [HGM] PV info: routine tests if comment empty
9465 if (!matchMode && (pausing || appData.timeDelay != 0)) {
9466 DisplayComment(currentMove - 1, commentList[currentMove]);
9468 if (!matchMode && appData.timeDelay != 0)
9469 DrawPosition(FALSE, boards[currentMove]);
9471 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
9472 programStats.ok_to_send = 1;
9475 /* if the first token after the PGN tags is a move
9476 * and not move number 1, retrieve it from the parser
9478 if (cm != MoveNumberOne)
9479 LoadGameOneMove(cm);
9481 /* load the remaining moves from the file */
9482 while (LoadGameOneMove((ChessMove)0)) {
9483 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9484 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9487 /* rewind to the start of the game */
9488 currentMove = backwardMostMove;
9490 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9492 if (oldGameMode == AnalyzeFile ||
9493 oldGameMode == AnalyzeMode) {
9497 if (matchMode || appData.timeDelay == 0) {
9499 gameMode = EditGame;
9501 } else if (appData.timeDelay > 0) {
9505 if (appData.debugMode)
9506 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
9508 loadFlag = 0; /* [HGM] true game starts */
9512 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
9514 ReloadPosition(offset)
9517 int positionNumber = lastLoadPositionNumber + offset;
9518 if (lastLoadPositionFP == NULL) {
9519 DisplayError(_("No position has been loaded yet"), 0);
9522 if (positionNumber <= 0) {
9523 DisplayError(_("Can't back up any further"), 0);
9526 return LoadPosition(lastLoadPositionFP, positionNumber,
9527 lastLoadPositionTitle);
9530 /* Load the nth position from the given file */
9532 LoadPositionFromFile(filename, n, title)
9540 if (strcmp(filename, "-") == 0) {
9541 return LoadPosition(stdin, n, "stdin");
9543 f = fopen(filename, "rb");
9545 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9546 DisplayError(buf, errno);
9549 return LoadPosition(f, n, title);
9554 /* Load the nth position from the given open file, and close it */
9556 LoadPosition(f, positionNumber, title)
9561 char *p, line[MSG_SIZ];
9562 Board initial_position;
9563 int i, j, fenMode, pn;
9565 if (gameMode == Training )
9566 SetTrainingModeOff();
9568 if (gameMode != BeginningOfGame) {
9571 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
9572 fclose(lastLoadPositionFP);
9574 if (positionNumber == 0) positionNumber = 1;
9575 lastLoadPositionFP = f;
9576 lastLoadPositionNumber = positionNumber;
9577 strcpy(lastLoadPositionTitle, title);
9578 if (first.pr == NoProc) {
9579 StartChessProgram(&first);
9580 InitChessProgram(&first, FALSE);
9582 pn = positionNumber;
9583 if (positionNumber < 0) {
9584 /* Negative position number means to seek to that byte offset */
9585 if (fseek(f, -positionNumber, 0) == -1) {
9586 DisplayError(_("Can't seek on position file"), 0);
9591 if (fseek(f, 0, 0) == -1) {
9592 if (f == lastLoadPositionFP ?
9593 positionNumber == lastLoadPositionNumber + 1 :
9594 positionNumber == 1) {
9597 DisplayError(_("Can't seek on position file"), 0);
9602 /* See if this file is FEN or old-style xboard */
9603 if (fgets(line, MSG_SIZ, f) == NULL) {
9604 DisplayError(_("Position not found in file"), 0);
9607 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
9608 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
9611 if (fenMode || line[0] == '#') pn--;
9613 /* skip positions before number pn */
9614 if (fgets(line, MSG_SIZ, f) == NULL) {
9616 DisplayError(_("Position not found in file"), 0);
9619 if (fenMode || line[0] == '#') pn--;
9624 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
9625 DisplayError(_("Bad FEN position in file"), 0);
9629 (void) fgets(line, MSG_SIZ, f);
9630 (void) fgets(line, MSG_SIZ, f);
9632 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
9633 (void) fgets(line, MSG_SIZ, f);
9634 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
9637 initial_position[i][j++] = CharToPiece(*p);
9641 blackPlaysFirst = FALSE;
9643 (void) fgets(line, MSG_SIZ, f);
9644 if (strncmp(line, "black", strlen("black"))==0)
9645 blackPlaysFirst = TRUE;
9648 startedFromSetupPosition = TRUE;
9650 SendToProgram("force\n", &first);
9651 CopyBoard(boards[0], initial_position);
9652 if (blackPlaysFirst) {
9653 currentMove = forwardMostMove = backwardMostMove = 1;
9654 strcpy(moveList[0], "");
9655 strcpy(parseList[0], "");
9656 CopyBoard(boards[1], initial_position);
9657 DisplayMessage("", _("Black to play"));
9659 currentMove = forwardMostMove = backwardMostMove = 0;
9660 DisplayMessage("", _("White to play"));
9662 /* [HGM] copy FEN attributes as well */
9664 initialRulePlies = FENrulePlies;
9665 epStatus[forwardMostMove] = FENepStatus;
9666 for( i=0; i< nrCastlingRights; i++ )
9667 castlingRights[forwardMostMove][i] = FENcastlingRights[i];
9669 SendBoard(&first, forwardMostMove);
9670 if (appData.debugMode) {
9672 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", castlingRights[i][j]);fprintf(debugFP,"\n");}
9673 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
9674 fprintf(debugFP, "Load Position\n");
9677 if (positionNumber > 1) {
9678 sprintf(line, "%s %d", title, positionNumber);
9681 DisplayTitle(title);
9683 gameMode = EditGame;
9686 timeRemaining[0][1] = whiteTimeRemaining;
9687 timeRemaining[1][1] = blackTimeRemaining;
9688 DrawPosition(FALSE, boards[currentMove]);
9695 CopyPlayerNameIntoFileName(dest, src)
9698 while (*src != NULLCHAR && *src != ',') {
9703 *(*dest)++ = *src++;
9708 char *DefaultFileName(ext)
9711 static char def[MSG_SIZ];
9714 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
9716 CopyPlayerNameIntoFileName(&p, gameInfo.white);
9718 CopyPlayerNameIntoFileName(&p, gameInfo.black);
9727 /* Save the current game to the given file */
9729 SaveGameToFile(filename, append)
9736 if (strcmp(filename, "-") == 0) {
9737 return SaveGame(stdout, 0, NULL);
9739 f = fopen(filename, append ? "a" : "w");
9741 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9742 DisplayError(buf, errno);
9745 return SaveGame(f, 0, NULL);
9754 static char buf[MSG_SIZ];
9757 p = strchr(str, ' ');
9758 if (p == NULL) return str;
9759 strncpy(buf, str, p - str);
9760 buf[p - str] = NULLCHAR;
9764 #define PGN_MAX_LINE 75
9766 #define PGN_SIDE_WHITE 0
9767 #define PGN_SIDE_BLACK 1
9770 static int FindFirstMoveOutOfBook( int side )
9774 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
9775 int index = backwardMostMove;
9776 int has_book_hit = 0;
9778 if( (index % 2) != side ) {
9782 while( index < forwardMostMove ) {
9783 /* Check to see if engine is in book */
9784 int depth = pvInfoList[index].depth;
9785 int score = pvInfoList[index].score;
9791 else if( score == 0 && depth == 63 ) {
9792 in_book = 1; /* Zappa */
9794 else if( score == 2 && depth == 99 ) {
9795 in_book = 1; /* Abrok */
9798 has_book_hit += in_book;
9814 void GetOutOfBookInfo( char * buf )
9818 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
9820 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
9821 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
9825 if( oob[0] >= 0 || oob[1] >= 0 ) {
9826 for( i=0; i<2; i++ ) {
9830 if( i > 0 && oob[0] >= 0 ) {
9834 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
9835 sprintf( buf+strlen(buf), "%s%.2f",
9836 pvInfoList[idx].score >= 0 ? "+" : "",
9837 pvInfoList[idx].score / 100.0 );
9843 /* Save game in PGN style and close the file */
9848 int i, offset, linelen, newblock;
9852 int movelen, numlen, blank;
9853 char move_buffer[100]; /* [AS] Buffer for move+PV info */
9855 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
9857 tm = time((time_t *) NULL);
9859 PrintPGNTags(f, &gameInfo);
9861 if (backwardMostMove > 0 || startedFromSetupPosition) {
9862 char *fen = PositionToFEN(backwardMostMove, NULL);
9863 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
9864 fprintf(f, "\n{--------------\n");
9865 PrintPosition(f, backwardMostMove);
9866 fprintf(f, "--------------}\n");
9870 /* [AS] Out of book annotation */
9871 if( appData.saveOutOfBookInfo ) {
9874 GetOutOfBookInfo( buf );
9876 if( buf[0] != '\0' ) {
9877 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
9884 i = backwardMostMove;
9888 while (i < forwardMostMove) {
9889 /* Print comments preceding this move */
9890 if (commentList[i] != NULL) {
9891 if (linelen > 0) fprintf(f, "\n");
9892 fprintf(f, "{\n%s}\n", commentList[i]);
9897 /* Format move number */
9899 sprintf(numtext, "%d.", (i - offset)/2 + 1);
9902 sprintf(numtext, "%d...", (i - offset)/2 + 1);
9904 numtext[0] = NULLCHAR;
9907 numlen = strlen(numtext);
9910 /* Print move number */
9911 blank = linelen > 0 && numlen > 0;
9912 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
9921 fprintf(f, "%s", numtext);
9925 strcpy(move_buffer, SavePart(parseList[i])); // [HGM] pgn: print move via buffer, so it can be edited
9926 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
9929 blank = linelen > 0 && movelen > 0;
9930 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
9939 fprintf(f, "%s", move_buffer);
9942 /* [AS] Add PV info if present */
9943 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
9944 /* [HGM] add time */
9945 char buf[MSG_SIZ]; int seconds = 0;
9947 if(i >= backwardMostMove) {
9949 seconds = timeRemaining[0][i] - timeRemaining[0][i+1]
9950 + GetTimeQuota(i/2) / (1000*WhitePlayer()->timeOdds);
9952 seconds = timeRemaining[1][i] - timeRemaining[1][i+1]
9953 + GetTimeQuota(i/2) / (1000*WhitePlayer()->other->timeOdds);
9955 seconds = (seconds+50)/100; // deci-seconds, rounded to nearest
9957 if( seconds <= 0) buf[0] = 0; else
9958 if( seconds < 30 ) sprintf(buf, " %3.1f%c", seconds/10., 0); else {
9959 seconds = (seconds + 4)/10; // round to full seconds
9960 if( seconds < 60 ) sprintf(buf, " %d%c", seconds, 0); else
9961 sprintf(buf, " %d:%02d%c", seconds/60, seconds%60, 0);
9964 sprintf( move_buffer, "{%s%.2f/%d%s}",
9965 pvInfoList[i].score >= 0 ? "+" : "",
9966 pvInfoList[i].score / 100.0,
9967 pvInfoList[i].depth,
9970 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
9972 /* Print score/depth */
9973 blank = linelen > 0 && movelen > 0;
9974 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
9983 fprintf(f, "%s", move_buffer);
9990 /* Start a new line */
9991 if (linelen > 0) fprintf(f, "\n");
9993 /* Print comments after last move */
9994 if (commentList[i] != NULL) {
9995 fprintf(f, "{\n%s}\n", commentList[i]);
9999 if (gameInfo.resultDetails != NULL &&
10000 gameInfo.resultDetails[0] != NULLCHAR) {
10001 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
10002 PGNResult(gameInfo.result));
10004 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10008 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10012 /* Save game in old style and close the file */
10014 SaveGameOldStyle(f)
10020 tm = time((time_t *) NULL);
10022 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
10025 if (backwardMostMove > 0 || startedFromSetupPosition) {
10026 fprintf(f, "\n[--------------\n");
10027 PrintPosition(f, backwardMostMove);
10028 fprintf(f, "--------------]\n");
10033 i = backwardMostMove;
10034 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10036 while (i < forwardMostMove) {
10037 if (commentList[i] != NULL) {
10038 fprintf(f, "[%s]\n", commentList[i]);
10041 if ((i % 2) == 1) {
10042 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
10045 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
10047 if (commentList[i] != NULL) {
10051 if (i >= forwardMostMove) {
10055 fprintf(f, "%s\n", parseList[i]);
10060 if (commentList[i] != NULL) {
10061 fprintf(f, "[%s]\n", commentList[i]);
10064 /* This isn't really the old style, but it's close enough */
10065 if (gameInfo.resultDetails != NULL &&
10066 gameInfo.resultDetails[0] != NULLCHAR) {
10067 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
10068 gameInfo.resultDetails);
10070 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10077 /* Save the current game to open file f and close the file */
10079 SaveGame(f, dummy, dummy2)
10084 if (gameMode == EditPosition) EditPositionDone();
10085 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10086 if (appData.oldSaveStyle)
10087 return SaveGameOldStyle(f);
10089 return SaveGamePGN(f);
10092 /* Save the current position to the given file */
10094 SavePositionToFile(filename)
10100 if (strcmp(filename, "-") == 0) {
10101 return SavePosition(stdout, 0, NULL);
10103 f = fopen(filename, "a");
10105 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10106 DisplayError(buf, errno);
10109 SavePosition(f, 0, NULL);
10115 /* Save the current position to the given open file and close the file */
10117 SavePosition(f, dummy, dummy2)
10125 if (appData.oldSaveStyle) {
10126 tm = time((time_t *) NULL);
10128 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
10130 fprintf(f, "[--------------\n");
10131 PrintPosition(f, currentMove);
10132 fprintf(f, "--------------]\n");
10134 fen = PositionToFEN(currentMove, NULL);
10135 fprintf(f, "%s\n", fen);
10143 ReloadCmailMsgEvent(unregister)
10147 static char *inFilename = NULL;
10148 static char *outFilename;
10150 struct stat inbuf, outbuf;
10153 /* Any registered moves are unregistered if unregister is set, */
10154 /* i.e. invoked by the signal handler */
10156 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
10157 cmailMoveRegistered[i] = FALSE;
10158 if (cmailCommentList[i] != NULL) {
10159 free(cmailCommentList[i]);
10160 cmailCommentList[i] = NULL;
10163 nCmailMovesRegistered = 0;
10166 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
10167 cmailResult[i] = CMAIL_NOT_RESULT;
10171 if (inFilename == NULL) {
10172 /* Because the filenames are static they only get malloced once */
10173 /* and they never get freed */
10174 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
10175 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
10177 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
10178 sprintf(outFilename, "%s.out", appData.cmailGameName);
10181 status = stat(outFilename, &outbuf);
10183 cmailMailedMove = FALSE;
10185 status = stat(inFilename, &inbuf);
10186 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
10189 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
10190 counts the games, notes how each one terminated, etc.
10192 It would be nice to remove this kludge and instead gather all
10193 the information while building the game list. (And to keep it
10194 in the game list nodes instead of having a bunch of fixed-size
10195 parallel arrays.) Note this will require getting each game's
10196 termination from the PGN tags, as the game list builder does
10197 not process the game moves. --mann
10199 cmailMsgLoaded = TRUE;
10200 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
10202 /* Load first game in the file or popup game menu */
10203 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
10205 #endif /* !WIN32 */
10213 char string[MSG_SIZ];
10215 if ( cmailMailedMove
10216 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
10217 return TRUE; /* Allow free viewing */
10220 /* Unregister move to ensure that we don't leave RegisterMove */
10221 /* with the move registered when the conditions for registering no */
10223 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10224 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
10225 nCmailMovesRegistered --;
10227 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
10229 free(cmailCommentList[lastLoadGameNumber - 1]);
10230 cmailCommentList[lastLoadGameNumber - 1] = NULL;
10234 if (cmailOldMove == -1) {
10235 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
10239 if (currentMove > cmailOldMove + 1) {
10240 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
10244 if (currentMove < cmailOldMove) {
10245 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
10249 if (forwardMostMove > currentMove) {
10250 /* Silently truncate extra moves */
10254 if ( (currentMove == cmailOldMove + 1)
10255 || ( (currentMove == cmailOldMove)
10256 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
10257 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
10258 if (gameInfo.result != GameUnfinished) {
10259 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
10262 if (commentList[currentMove] != NULL) {
10263 cmailCommentList[lastLoadGameNumber - 1]
10264 = StrSave(commentList[currentMove]);
10266 strcpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1]);
10268 if (appData.debugMode)
10269 fprintf(debugFP, "Saving %s for game %d\n",
10270 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
10273 "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
10275 f = fopen(string, "w");
10276 if (appData.oldSaveStyle) {
10277 SaveGameOldStyle(f); /* also closes the file */
10279 sprintf(string, "%s.pos.out", appData.cmailGameName);
10280 f = fopen(string, "w");
10281 SavePosition(f, 0, NULL); /* also closes the file */
10283 fprintf(f, "{--------------\n");
10284 PrintPosition(f, currentMove);
10285 fprintf(f, "--------------}\n\n");
10287 SaveGame(f, 0, NULL); /* also closes the file*/
10290 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
10291 nCmailMovesRegistered ++;
10292 } else if (nCmailGames == 1) {
10293 DisplayError(_("You have not made a move yet"), 0);
10304 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
10305 FILE *commandOutput;
10306 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
10307 int nBytes = 0; /* Suppress warnings on uninitialized variables */
10313 if (! cmailMsgLoaded) {
10314 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
10318 if (nCmailGames == nCmailResults) {
10319 DisplayError(_("No unfinished games"), 0);
10323 #if CMAIL_PROHIBIT_REMAIL
10324 if (cmailMailedMove) {
10325 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);
10326 DisplayError(msg, 0);
10331 if (! (cmailMailedMove || RegisterMove())) return;
10333 if ( cmailMailedMove
10334 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
10335 sprintf(string, partCommandString,
10336 appData.debugMode ? " -v" : "", appData.cmailGameName);
10337 commandOutput = popen(string, "r");
10339 if (commandOutput == NULL) {
10340 DisplayError(_("Failed to invoke cmail"), 0);
10342 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
10343 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
10345 if (nBuffers > 1) {
10346 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
10347 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
10348 nBytes = MSG_SIZ - 1;
10350 (void) memcpy(msg, buffer, nBytes);
10352 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
10354 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
10355 cmailMailedMove = TRUE; /* Prevent >1 moves */
10358 for (i = 0; i < nCmailGames; i ++) {
10359 if (cmailResult[i] == CMAIL_NOT_RESULT) {
10364 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
10366 sprintf(buffer, "%s/%s.%s.archive",
10368 appData.cmailGameName,
10370 LoadGameFromFile(buffer, 1, buffer, FALSE);
10371 cmailMsgLoaded = FALSE;
10375 DisplayInformation(msg);
10376 pclose(commandOutput);
10379 if ((*cmailMsg) != '\0') {
10380 DisplayInformation(cmailMsg);
10385 #endif /* !WIN32 */
10394 int prependComma = 0;
10396 char string[MSG_SIZ]; /* Space for game-list */
10399 if (!cmailMsgLoaded) return "";
10401 if (cmailMailedMove) {
10402 sprintf(cmailMsg, _("Waiting for reply from opponent\n"));
10404 /* Create a list of games left */
10405 sprintf(string, "[");
10406 for (i = 0; i < nCmailGames; i ++) {
10407 if (! ( cmailMoveRegistered[i]
10408 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
10409 if (prependComma) {
10410 sprintf(number, ",%d", i + 1);
10412 sprintf(number, "%d", i + 1);
10416 strcat(string, number);
10419 strcat(string, "]");
10421 if (nCmailMovesRegistered + nCmailResults == 0) {
10422 switch (nCmailGames) {
10425 _("Still need to make move for game\n"));
10430 _("Still need to make moves for both games\n"));
10435 _("Still need to make moves for all %d games\n"),
10440 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
10443 _("Still need to make a move for game %s\n"),
10448 if (nCmailResults == nCmailGames) {
10449 sprintf(cmailMsg, _("No unfinished games\n"));
10451 sprintf(cmailMsg, _("Ready to send mail\n"));
10457 _("Still need to make moves for games %s\n"),
10469 if (gameMode == Training)
10470 SetTrainingModeOff();
10473 cmailMsgLoaded = FALSE;
10474 if (appData.icsActive) {
10475 SendToICS(ics_prefix);
10476 SendToICS("refresh\n");
10486 /* Give up on clean exit */
10490 /* Keep trying for clean exit */
10494 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
10496 if (telnetISR != NULL) {
10497 RemoveInputSource(telnetISR);
10499 if (icsPR != NoProc) {
10500 DestroyChildProcess(icsPR, TRUE);
10503 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
10504 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
10506 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
10507 /* make sure this other one finishes before killing it! */
10508 if(endingGame) { int count = 0;
10509 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
10510 while(endingGame && count++ < 10) DoSleep(1);
10511 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
10514 /* Kill off chess programs */
10515 if (first.pr != NoProc) {
10518 DoSleep( appData.delayBeforeQuit );
10519 SendToProgram("quit\n", &first);
10520 DoSleep( appData.delayAfterQuit );
10521 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
10523 if (second.pr != NoProc) {
10524 DoSleep( appData.delayBeforeQuit );
10525 SendToProgram("quit\n", &second);
10526 DoSleep( appData.delayAfterQuit );
10527 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
10529 if (first.isr != NULL) {
10530 RemoveInputSource(first.isr);
10532 if (second.isr != NULL) {
10533 RemoveInputSource(second.isr);
10536 ShutDownFrontEnd();
10543 if (appData.debugMode)
10544 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
10548 if (gameMode == MachinePlaysWhite ||
10549 gameMode == MachinePlaysBlack) {
10552 DisplayBothClocks();
10554 if (gameMode == PlayFromGameFile) {
10555 if (appData.timeDelay >= 0)
10556 AutoPlayGameLoop();
10557 } else if (gameMode == IcsExamining && pauseExamInvalid) {
10558 Reset(FALSE, TRUE);
10559 SendToICS(ics_prefix);
10560 SendToICS("refresh\n");
10561 } else if (currentMove < forwardMostMove) {
10562 ForwardInner(forwardMostMove);
10564 pauseExamInvalid = FALSE;
10566 switch (gameMode) {
10570 pauseExamForwardMostMove = forwardMostMove;
10571 pauseExamInvalid = FALSE;
10574 case IcsPlayingWhite:
10575 case IcsPlayingBlack:
10579 case PlayFromGameFile:
10580 (void) StopLoadGameTimer();
10584 case BeginningOfGame:
10585 if (appData.icsActive) return;
10586 /* else fall through */
10587 case MachinePlaysWhite:
10588 case MachinePlaysBlack:
10589 case TwoMachinesPlay:
10590 if (forwardMostMove == 0)
10591 return; /* don't pause if no one has moved */
10592 if ((gameMode == MachinePlaysWhite &&
10593 !WhiteOnMove(forwardMostMove)) ||
10594 (gameMode == MachinePlaysBlack &&
10595 WhiteOnMove(forwardMostMove))) {
10608 char title[MSG_SIZ];
10610 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
10611 strcpy(title, _("Edit comment"));
10613 sprintf(title, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
10614 WhiteOnMove(currentMove - 1) ? " " : ".. ",
10615 parseList[currentMove - 1]);
10618 EditCommentPopUp(currentMove, title, commentList[currentMove]);
10625 char *tags = PGNTags(&gameInfo);
10626 EditTagsPopUp(tags);
10633 if (appData.noChessProgram || gameMode == AnalyzeMode)
10636 if (gameMode != AnalyzeFile) {
10637 if (!appData.icsEngineAnalyze) {
10639 if (gameMode != EditGame) return;
10641 ResurrectChessProgram();
10642 SendToProgram("analyze\n", &first);
10643 first.analyzing = TRUE;
10644 /*first.maybeThinking = TRUE;*/
10645 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
10646 EngineOutputPopUp();
10648 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
10653 StartAnalysisClock();
10654 GetTimeMark(&lastNodeCountTime);
10661 if (appData.noChessProgram || gameMode == AnalyzeFile)
10664 if (gameMode != AnalyzeMode) {
10666 if (gameMode != EditGame) return;
10667 ResurrectChessProgram();
10668 SendToProgram("analyze\n", &first);
10669 first.analyzing = TRUE;
10670 /*first.maybeThinking = TRUE;*/
10671 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
10672 EngineOutputPopUp();
10674 gameMode = AnalyzeFile;
10679 StartAnalysisClock();
10680 GetTimeMark(&lastNodeCountTime);
10685 MachineWhiteEvent()
10688 char *bookHit = NULL;
10690 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
10694 if (gameMode == PlayFromGameFile ||
10695 gameMode == TwoMachinesPlay ||
10696 gameMode == Training ||
10697 gameMode == AnalyzeMode ||
10698 gameMode == EndOfGame)
10701 if (gameMode == EditPosition)
10702 EditPositionDone();
10704 if (!WhiteOnMove(currentMove)) {
10705 DisplayError(_("It is not White's turn"), 0);
10709 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
10712 if (gameMode == EditGame || gameMode == AnalyzeMode ||
10713 gameMode == AnalyzeFile)
10716 ResurrectChessProgram(); /* in case it isn't running */
10717 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
10718 gameMode = MachinePlaysWhite;
10721 gameMode = MachinePlaysWhite;
10725 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
10727 if (first.sendName) {
10728 sprintf(buf, "name %s\n", gameInfo.black);
10729 SendToProgram(buf, &first);
10731 if (first.sendTime) {
10732 if (first.useColors) {
10733 SendToProgram("black\n", &first); /*gnu kludge*/
10735 SendTimeRemaining(&first, TRUE);
10737 if (first.useColors) {
10738 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
10740 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
10741 SetMachineThinkingEnables();
10742 first.maybeThinking = TRUE;
10746 if (appData.autoFlipView && !flipView) {
10747 flipView = !flipView;
10748 DrawPosition(FALSE, NULL);
10749 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
10752 if(bookHit) { // [HGM] book: simulate book reply
10753 static char bookMove[MSG_SIZ]; // a bit generous?
10755 programStats.nodes = programStats.depth = programStats.time =
10756 programStats.score = programStats.got_only_move = 0;
10757 sprintf(programStats.movelist, "%s (xbook)", bookHit);
10759 strcpy(bookMove, "move ");
10760 strcat(bookMove, bookHit);
10761 HandleMachineMove(bookMove, &first);
10766 MachineBlackEvent()
10769 char *bookHit = NULL;
10771 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
10775 if (gameMode == PlayFromGameFile ||
10776 gameMode == TwoMachinesPlay ||
10777 gameMode == Training ||
10778 gameMode == AnalyzeMode ||
10779 gameMode == EndOfGame)
10782 if (gameMode == EditPosition)
10783 EditPositionDone();
10785 if (WhiteOnMove(currentMove)) {
10786 DisplayError(_("It is not Black's turn"), 0);
10790 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
10793 if (gameMode == EditGame || gameMode == AnalyzeMode ||
10794 gameMode == AnalyzeFile)
10797 ResurrectChessProgram(); /* in case it isn't running */
10798 gameMode = MachinePlaysBlack;
10802 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
10804 if (first.sendName) {
10805 sprintf(buf, "name %s\n", gameInfo.white);
10806 SendToProgram(buf, &first);
10808 if (first.sendTime) {
10809 if (first.useColors) {
10810 SendToProgram("white\n", &first); /*gnu kludge*/
10812 SendTimeRemaining(&first, FALSE);
10814 if (first.useColors) {
10815 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
10817 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
10818 SetMachineThinkingEnables();
10819 first.maybeThinking = TRUE;
10822 if (appData.autoFlipView && flipView) {
10823 flipView = !flipView;
10824 DrawPosition(FALSE, NULL);
10825 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
10827 if(bookHit) { // [HGM] book: simulate book reply
10828 static char bookMove[MSG_SIZ]; // a bit generous?
10830 programStats.nodes = programStats.depth = programStats.time =
10831 programStats.score = programStats.got_only_move = 0;
10832 sprintf(programStats.movelist, "%s (xbook)", bookHit);
10834 strcpy(bookMove, "move ");
10835 strcat(bookMove, bookHit);
10836 HandleMachineMove(bookMove, &first);
10842 DisplayTwoMachinesTitle()
10845 if (appData.matchGames > 0) {
10846 if (first.twoMachinesColor[0] == 'w') {
10847 sprintf(buf, "%s vs. %s (%d-%d-%d)",
10848 gameInfo.white, gameInfo.black,
10849 first.matchWins, second.matchWins,
10850 matchGame - 1 - (first.matchWins + second.matchWins));
10852 sprintf(buf, "%s vs. %s (%d-%d-%d)",
10853 gameInfo.white, gameInfo.black,
10854 second.matchWins, first.matchWins,
10855 matchGame - 1 - (first.matchWins + second.matchWins));
10858 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
10864 TwoMachinesEvent P((void))
10868 ChessProgramState *onmove;
10869 char *bookHit = NULL;
10871 if (appData.noChessProgram) return;
10873 switch (gameMode) {
10874 case TwoMachinesPlay:
10876 case MachinePlaysWhite:
10877 case MachinePlaysBlack:
10878 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
10879 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
10883 case BeginningOfGame:
10884 case PlayFromGameFile:
10887 if (gameMode != EditGame) return;
10890 EditPositionDone();
10901 forwardMostMove = currentMove;
10902 ResurrectChessProgram(); /* in case first program isn't running */
10904 if (second.pr == NULL) {
10905 StartChessProgram(&second);
10906 if (second.protocolVersion == 1) {
10907 TwoMachinesEventIfReady();
10909 /* kludge: allow timeout for initial "feature" command */
10911 DisplayMessage("", _("Starting second chess program"));
10912 ScheduleDelayedEvent(TwoMachinesEventIfReady, FEATURE_TIMEOUT);
10916 DisplayMessage("", "");
10917 InitChessProgram(&second, FALSE);
10918 SendToProgram("force\n", &second);
10919 if (startedFromSetupPosition) {
10920 SendBoard(&second, backwardMostMove);
10921 if (appData.debugMode) {
10922 fprintf(debugFP, "Two Machines\n");
10925 for (i = backwardMostMove; i < forwardMostMove; i++) {
10926 SendMoveToProgram(i, &second);
10929 gameMode = TwoMachinesPlay;
10933 DisplayTwoMachinesTitle();
10935 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
10941 SendToProgram(first.computerString, &first);
10942 if (first.sendName) {
10943 sprintf(buf, "name %s\n", second.tidy);
10944 SendToProgram(buf, &first);
10946 SendToProgram(second.computerString, &second);
10947 if (second.sendName) {
10948 sprintf(buf, "name %s\n", first.tidy);
10949 SendToProgram(buf, &second);
10953 if (!first.sendTime || !second.sendTime) {
10954 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10955 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10957 if (onmove->sendTime) {
10958 if (onmove->useColors) {
10959 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
10961 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
10963 if (onmove->useColors) {
10964 SendToProgram(onmove->twoMachinesColor, onmove);
10966 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
10967 // SendToProgram("go\n", onmove);
10968 onmove->maybeThinking = TRUE;
10969 SetMachineThinkingEnables();
10973 if(bookHit) { // [HGM] book: simulate book reply
10974 static char bookMove[MSG_SIZ]; // a bit generous?
10976 programStats.nodes = programStats.depth = programStats.time =
10977 programStats.score = programStats.got_only_move = 0;
10978 sprintf(programStats.movelist, "%s (xbook)", bookHit);
10980 strcpy(bookMove, "move ");
10981 strcat(bookMove, bookHit);
10982 savedMessage = bookMove; // args for deferred call
10983 savedState = onmove;
10984 ScheduleDelayedEvent(DeferredBookMove, 1);
10991 if (gameMode == Training) {
10992 SetTrainingModeOff();
10993 gameMode = PlayFromGameFile;
10994 DisplayMessage("", _("Training mode off"));
10996 gameMode = Training;
10997 animateTraining = appData.animate;
10999 /* make sure we are not already at the end of the game */
11000 if (currentMove < forwardMostMove) {
11001 SetTrainingModeOn();
11002 DisplayMessage("", _("Training mode on"));
11004 gameMode = PlayFromGameFile;
11005 DisplayError(_("Already at end of game"), 0);
11014 if (!appData.icsActive) return;
11015 switch (gameMode) {
11016 case IcsPlayingWhite:
11017 case IcsPlayingBlack:
11020 case BeginningOfGame:
11028 EditPositionDone();
11041 gameMode = IcsIdle;
11052 switch (gameMode) {
11054 SetTrainingModeOff();
11056 case MachinePlaysWhite:
11057 case MachinePlaysBlack:
11058 case BeginningOfGame:
11059 SendToProgram("force\n", &first);
11060 SetUserThinkingEnables();
11062 case PlayFromGameFile:
11063 (void) StopLoadGameTimer();
11064 if (gameFileFP != NULL) {
11069 EditPositionDone();
11074 SendToProgram("force\n", &first);
11076 case TwoMachinesPlay:
11077 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
11078 ResurrectChessProgram();
11079 SetUserThinkingEnables();
11082 ResurrectChessProgram();
11084 case IcsPlayingBlack:
11085 case IcsPlayingWhite:
11086 DisplayError(_("Warning: You are still playing a game"), 0);
11089 DisplayError(_("Warning: You are still observing a game"), 0);
11092 DisplayError(_("Warning: You are still examining a game"), 0);
11103 first.offeredDraw = second.offeredDraw = 0;
11105 if (gameMode == PlayFromGameFile) {
11106 whiteTimeRemaining = timeRemaining[0][currentMove];
11107 blackTimeRemaining = timeRemaining[1][currentMove];
11111 if (gameMode == MachinePlaysWhite ||
11112 gameMode == MachinePlaysBlack ||
11113 gameMode == TwoMachinesPlay ||
11114 gameMode == EndOfGame) {
11115 i = forwardMostMove;
11116 while (i > currentMove) {
11117 SendToProgram("undo\n", &first);
11120 whiteTimeRemaining = timeRemaining[0][currentMove];
11121 blackTimeRemaining = timeRemaining[1][currentMove];
11122 DisplayBothClocks();
11123 if (whiteFlag || blackFlag) {
11124 whiteFlag = blackFlag = 0;
11129 gameMode = EditGame;
11136 EditPositionEvent()
11138 if (gameMode == EditPosition) {
11144 if (gameMode != EditGame) return;
11146 gameMode = EditPosition;
11149 if (currentMove > 0)
11150 CopyBoard(boards[0], boards[currentMove]);
11152 blackPlaysFirst = !WhiteOnMove(currentMove);
11154 currentMove = forwardMostMove = backwardMostMove = 0;
11155 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11162 /* [DM] icsEngineAnalyze - possible call from other functions */
11163 if (appData.icsEngineAnalyze) {
11164 appData.icsEngineAnalyze = FALSE;
11166 DisplayMessage("",_("Close ICS engine analyze..."));
11168 if (first.analysisSupport && first.analyzing) {
11169 SendToProgram("exit\n", &first);
11170 first.analyzing = FALSE;
11172 thinkOutput[0] = NULLCHAR;
11178 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
11180 startedFromSetupPosition = TRUE;
11181 InitChessProgram(&first, FALSE);
11182 castlingRights[0][2] = castlingRights[0][5] = BOARD_WIDTH>>1;
11183 if(boards[0][0][BOARD_WIDTH>>1] == king) {
11184 castlingRights[0][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : -1;
11185 castlingRights[0][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : -1;
11186 } else castlingRights[0][2] = -1;
11187 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
11188 castlingRights[0][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : -1;
11189 castlingRights[0][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : -1;
11190 } else castlingRights[0][5] = -1;
11191 SendToProgram("force\n", &first);
11192 if (blackPlaysFirst) {
11193 strcpy(moveList[0], "");
11194 strcpy(parseList[0], "");
11195 currentMove = forwardMostMove = backwardMostMove = 1;
11196 CopyBoard(boards[1], boards[0]);
11197 /* [HGM] copy rights as well, as this code is also used after pasting a FEN */
11199 epStatus[1] = epStatus[0];
11200 for(i=0; i<nrCastlingRights; i++) castlingRights[1][i] = castlingRights[0][i];
11203 currentMove = forwardMostMove = backwardMostMove = 0;
11205 SendBoard(&first, forwardMostMove);
11206 if (appData.debugMode) {
11207 fprintf(debugFP, "EditPosDone\n");
11210 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11211 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11212 gameMode = EditGame;
11214 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11215 ClearHighlights(); /* [AS] */
11218 /* Pause for `ms' milliseconds */
11219 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
11229 } while (SubtractTimeMarks(&m2, &m1) < ms);
11232 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
11234 SendMultiLineToICS(buf)
11237 char temp[MSG_SIZ+1], *p;
11244 strncpy(temp, buf, len);
11249 if (*p == '\n' || *p == '\r')
11254 strcat(temp, "\n");
11256 SendToPlayer(temp, strlen(temp));
11260 SetWhiteToPlayEvent()
11262 if (gameMode == EditPosition) {
11263 blackPlaysFirst = FALSE;
11264 DisplayBothClocks(); /* works because currentMove is 0 */
11265 } else if (gameMode == IcsExamining) {
11266 SendToICS(ics_prefix);
11267 SendToICS("tomove white\n");
11272 SetBlackToPlayEvent()
11274 if (gameMode == EditPosition) {
11275 blackPlaysFirst = TRUE;
11276 currentMove = 1; /* kludge */
11277 DisplayBothClocks();
11279 } else if (gameMode == IcsExamining) {
11280 SendToICS(ics_prefix);
11281 SendToICS("tomove black\n");
11286 EditPositionMenuEvent(selection, x, y)
11287 ChessSquare selection;
11291 ChessSquare piece = boards[0][y][x];
11293 if (gameMode != EditPosition && gameMode != IcsExamining) return;
11295 switch (selection) {
11297 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
11298 SendToICS(ics_prefix);
11299 SendToICS("bsetup clear\n");
11300 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
11301 SendToICS(ics_prefix);
11302 SendToICS("clearboard\n");
11304 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
11305 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
11306 for (y = 0; y < BOARD_HEIGHT; y++) {
11307 if (gameMode == IcsExamining) {
11308 if (boards[currentMove][y][x] != EmptySquare) {
11309 sprintf(buf, "%sx@%c%c\n", ics_prefix,
11314 boards[0][y][x] = p;
11319 if (gameMode == EditPosition) {
11320 DrawPosition(FALSE, boards[0]);
11325 SetWhiteToPlayEvent();
11329 SetBlackToPlayEvent();
11333 if (gameMode == IcsExamining) {
11334 sprintf(buf, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
11337 boards[0][y][x] = EmptySquare;
11338 DrawPosition(FALSE, boards[0]);
11343 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
11344 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
11345 selection = (ChessSquare) (PROMOTED piece);
11346 } else if(piece == EmptySquare) selection = WhiteSilver;
11347 else selection = (ChessSquare)((int)piece - 1);
11351 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
11352 piece > (int)BlackMan && piece <= (int)BlackKing ) {
11353 selection = (ChessSquare) (DEMOTED piece);
11354 } else if(piece == EmptySquare) selection = BlackSilver;
11355 else selection = (ChessSquare)((int)piece + 1);
11360 if(gameInfo.variant == VariantShatranj ||
11361 gameInfo.variant == VariantXiangqi ||
11362 gameInfo.variant == VariantCourier )
11363 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
11368 if(gameInfo.variant == VariantXiangqi)
11369 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
11370 if(gameInfo.variant == VariantKnightmate)
11371 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
11374 if (gameMode == IcsExamining) {
11375 sprintf(buf, "%s%c@%c%c\n", ics_prefix,
11376 PieceToChar(selection), AAA + x, ONE + y);
11379 boards[0][y][x] = selection;
11380 DrawPosition(FALSE, boards[0]);
11388 DropMenuEvent(selection, x, y)
11389 ChessSquare selection;
11392 ChessMove moveType;
11394 switch (gameMode) {
11395 case IcsPlayingWhite:
11396 case MachinePlaysBlack:
11397 if (!WhiteOnMove(currentMove)) {
11398 DisplayMoveError(_("It is Black's turn"));
11401 moveType = WhiteDrop;
11403 case IcsPlayingBlack:
11404 case MachinePlaysWhite:
11405 if (WhiteOnMove(currentMove)) {
11406 DisplayMoveError(_("It is White's turn"));
11409 moveType = BlackDrop;
11412 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
11418 if (moveType == BlackDrop && selection < BlackPawn) {
11419 selection = (ChessSquare) ((int) selection
11420 + (int) BlackPawn - (int) WhitePawn);
11422 if (boards[currentMove][y][x] != EmptySquare) {
11423 DisplayMoveError(_("That square is occupied"));
11427 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
11433 /* Accept a pending offer of any kind from opponent */
11435 if (appData.icsActive) {
11436 SendToICS(ics_prefix);
11437 SendToICS("accept\n");
11438 } else if (cmailMsgLoaded) {
11439 if (currentMove == cmailOldMove &&
11440 commentList[cmailOldMove] != NULL &&
11441 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
11442 "Black offers a draw" : "White offers a draw")) {
11444 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11445 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
11447 DisplayError(_("There is no pending offer on this move"), 0);
11448 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11451 /* Not used for offers from chess program */
11458 /* Decline a pending offer of any kind from opponent */
11460 if (appData.icsActive) {
11461 SendToICS(ics_prefix);
11462 SendToICS("decline\n");
11463 } else if (cmailMsgLoaded) {
11464 if (currentMove == cmailOldMove &&
11465 commentList[cmailOldMove] != NULL &&
11466 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
11467 "Black offers a draw" : "White offers a draw")) {
11469 AppendComment(cmailOldMove, "Draw declined");
11470 DisplayComment(cmailOldMove - 1, "Draw declined");
11473 DisplayError(_("There is no pending offer on this move"), 0);
11476 /* Not used for offers from chess program */
11483 /* Issue ICS rematch command */
11484 if (appData.icsActive) {
11485 SendToICS(ics_prefix);
11486 SendToICS("rematch\n");
11493 /* Call your opponent's flag (claim a win on time) */
11494 if (appData.icsActive) {
11495 SendToICS(ics_prefix);
11496 SendToICS("flag\n");
11498 switch (gameMode) {
11501 case MachinePlaysWhite:
11504 GameEnds(GameIsDrawn, "Both players ran out of time",
11507 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
11509 DisplayError(_("Your opponent is not out of time"), 0);
11512 case MachinePlaysBlack:
11515 GameEnds(GameIsDrawn, "Both players ran out of time",
11518 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
11520 DisplayError(_("Your opponent is not out of time"), 0);
11530 /* Offer draw or accept pending draw offer from opponent */
11532 if (appData.icsActive) {
11533 /* Note: tournament rules require draw offers to be
11534 made after you make your move but before you punch
11535 your clock. Currently ICS doesn't let you do that;
11536 instead, you immediately punch your clock after making
11537 a move, but you can offer a draw at any time. */
11539 SendToICS(ics_prefix);
11540 SendToICS("draw\n");
11541 } else if (cmailMsgLoaded) {
11542 if (currentMove == cmailOldMove &&
11543 commentList[cmailOldMove] != NULL &&
11544 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
11545 "Black offers a draw" : "White offers a draw")) {
11546 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11547 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
11548 } else if (currentMove == cmailOldMove + 1) {
11549 char *offer = WhiteOnMove(cmailOldMove) ?
11550 "White offers a draw" : "Black offers a draw";
11551 AppendComment(currentMove, offer);
11552 DisplayComment(currentMove - 1, offer);
11553 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
11555 DisplayError(_("You must make your move before offering a draw"), 0);
11556 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11558 } else if (first.offeredDraw) {
11559 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
11561 if (first.sendDrawOffers) {
11562 SendToProgram("draw\n", &first);
11563 userOfferedDraw = TRUE;
11571 /* Offer Adjourn or accept pending Adjourn offer from opponent */
11573 if (appData.icsActive) {
11574 SendToICS(ics_prefix);
11575 SendToICS("adjourn\n");
11577 /* Currently GNU Chess doesn't offer or accept Adjourns */
11585 /* Offer Abort or accept pending Abort offer from opponent */
11587 if (appData.icsActive) {
11588 SendToICS(ics_prefix);
11589 SendToICS("abort\n");
11591 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
11598 /* Resign. You can do this even if it's not your turn. */
11600 if (appData.icsActive) {
11601 SendToICS(ics_prefix);
11602 SendToICS("resign\n");
11604 switch (gameMode) {
11605 case MachinePlaysWhite:
11606 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11608 case MachinePlaysBlack:
11609 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11612 if (cmailMsgLoaded) {
11614 if (WhiteOnMove(cmailOldMove)) {
11615 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11617 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11619 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
11630 StopObservingEvent()
11632 /* Stop observing current games */
11633 SendToICS(ics_prefix);
11634 SendToICS("unobserve\n");
11638 StopExaminingEvent()
11640 /* Stop observing current game */
11641 SendToICS(ics_prefix);
11642 SendToICS("unexamine\n");
11646 ForwardInner(target)
11651 if (appData.debugMode)
11652 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
11653 target, currentMove, forwardMostMove);
11655 if (gameMode == EditPosition)
11658 if (gameMode == PlayFromGameFile && !pausing)
11661 if (gameMode == IcsExamining && pausing)
11662 limit = pauseExamForwardMostMove;
11664 limit = forwardMostMove;
11666 if (target > limit) target = limit;
11668 if (target > 0 && moveList[target - 1][0]) {
11669 int fromX, fromY, toX, toY;
11670 toX = moveList[target - 1][2] - AAA;
11671 toY = moveList[target - 1][3] - ONE;
11672 if (moveList[target - 1][1] == '@') {
11673 if (appData.highlightLastMove) {
11674 SetHighlights(-1, -1, toX, toY);
11677 fromX = moveList[target - 1][0] - AAA;
11678 fromY = moveList[target - 1][1] - ONE;
11679 if (target == currentMove + 1) {
11680 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11682 if (appData.highlightLastMove) {
11683 SetHighlights(fromX, fromY, toX, toY);
11687 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11688 gameMode == Training || gameMode == PlayFromGameFile ||
11689 gameMode == AnalyzeFile) {
11690 while (currentMove < target) {
11691 SendMoveToProgram(currentMove++, &first);
11694 currentMove = target;
11697 if (gameMode == EditGame || gameMode == EndOfGame) {
11698 whiteTimeRemaining = timeRemaining[0][currentMove];
11699 blackTimeRemaining = timeRemaining[1][currentMove];
11701 DisplayBothClocks();
11702 DisplayMove(currentMove - 1);
11703 DrawPosition(FALSE, boards[currentMove]);
11704 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
11705 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
11706 DisplayComment(currentMove - 1, commentList[currentMove]);
11714 if (gameMode == IcsExamining && !pausing) {
11715 SendToICS(ics_prefix);
11716 SendToICS("forward\n");
11718 ForwardInner(currentMove + 1);
11725 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
11726 /* to optimze, we temporarily turn off analysis mode while we feed
11727 * the remaining moves to the engine. Otherwise we get analysis output
11730 if (first.analysisSupport) {
11731 SendToProgram("exit\nforce\n", &first);
11732 first.analyzing = FALSE;
11736 if (gameMode == IcsExamining && !pausing) {
11737 SendToICS(ics_prefix);
11738 SendToICS("forward 999999\n");
11740 ForwardInner(forwardMostMove);
11743 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
11744 /* we have fed all the moves, so reactivate analysis mode */
11745 SendToProgram("analyze\n", &first);
11746 first.analyzing = TRUE;
11747 /*first.maybeThinking = TRUE;*/
11748 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11753 BackwardInner(target)
11756 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
11758 if (appData.debugMode)
11759 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
11760 target, currentMove, forwardMostMove);
11762 if (gameMode == EditPosition) return;
11763 if (currentMove <= backwardMostMove) {
11765 DrawPosition(full_redraw, boards[currentMove]);
11768 if (gameMode == PlayFromGameFile && !pausing)
11771 if (moveList[target][0]) {
11772 int fromX, fromY, toX, toY;
11773 toX = moveList[target][2] - AAA;
11774 toY = moveList[target][3] - ONE;
11775 if (moveList[target][1] == '@') {
11776 if (appData.highlightLastMove) {
11777 SetHighlights(-1, -1, toX, toY);
11780 fromX = moveList[target][0] - AAA;
11781 fromY = moveList[target][1] - ONE;
11782 if (target == currentMove - 1) {
11783 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
11785 if (appData.highlightLastMove) {
11786 SetHighlights(fromX, fromY, toX, toY);
11790 if (gameMode == EditGame || gameMode==AnalyzeMode ||
11791 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
11792 while (currentMove > target) {
11793 SendToProgram("undo\n", &first);
11797 currentMove = target;
11800 if (gameMode == EditGame || gameMode == EndOfGame) {
11801 whiteTimeRemaining = timeRemaining[0][currentMove];
11802 blackTimeRemaining = timeRemaining[1][currentMove];
11804 DisplayBothClocks();
11805 DisplayMove(currentMove - 1);
11806 DrawPosition(full_redraw, boards[currentMove]);
11807 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
11808 // [HGM] PV info: routine tests if comment empty
11809 DisplayComment(currentMove - 1, commentList[currentMove]);
11815 if (gameMode == IcsExamining && !pausing) {
11816 SendToICS(ics_prefix);
11817 SendToICS("backward\n");
11819 BackwardInner(currentMove - 1);
11826 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
11827 /* to optimze, we temporarily turn off analysis mode while we undo
11828 * all the moves. Otherwise we get analysis output after each undo.
11830 if (first.analysisSupport) {
11831 SendToProgram("exit\nforce\n", &first);
11832 first.analyzing = FALSE;
11836 if (gameMode == IcsExamining && !pausing) {
11837 SendToICS(ics_prefix);
11838 SendToICS("backward 999999\n");
11840 BackwardInner(backwardMostMove);
11843 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
11844 /* we have fed all the moves, so reactivate analysis mode */
11845 SendToProgram("analyze\n", &first);
11846 first.analyzing = TRUE;
11847 /*first.maybeThinking = TRUE;*/
11848 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11855 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
11856 if (to >= forwardMostMove) to = forwardMostMove;
11857 if (to <= backwardMostMove) to = backwardMostMove;
11858 if (to < currentMove) {
11868 if (gameMode != IcsExamining) {
11869 DisplayError(_("You are not examining a game"), 0);
11873 DisplayError(_("You can't revert while pausing"), 0);
11876 SendToICS(ics_prefix);
11877 SendToICS("revert\n");
11883 switch (gameMode) {
11884 case MachinePlaysWhite:
11885 case MachinePlaysBlack:
11886 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11887 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11890 if (forwardMostMove < 2) return;
11891 currentMove = forwardMostMove = forwardMostMove - 2;
11892 whiteTimeRemaining = timeRemaining[0][currentMove];
11893 blackTimeRemaining = timeRemaining[1][currentMove];
11894 DisplayBothClocks();
11895 DisplayMove(currentMove - 1);
11896 ClearHighlights();/*!! could figure this out*/
11897 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
11898 SendToProgram("remove\n", &first);
11899 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
11902 case BeginningOfGame:
11906 case IcsPlayingWhite:
11907 case IcsPlayingBlack:
11908 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
11909 SendToICS(ics_prefix);
11910 SendToICS("takeback 2\n");
11912 SendToICS(ics_prefix);
11913 SendToICS("takeback 1\n");
11922 ChessProgramState *cps;
11924 switch (gameMode) {
11925 case MachinePlaysWhite:
11926 if (!WhiteOnMove(forwardMostMove)) {
11927 DisplayError(_("It is your turn"), 0);
11932 case MachinePlaysBlack:
11933 if (WhiteOnMove(forwardMostMove)) {
11934 DisplayError(_("It is your turn"), 0);
11939 case TwoMachinesPlay:
11940 if (WhiteOnMove(forwardMostMove) ==
11941 (first.twoMachinesColor[0] == 'w')) {
11947 case BeginningOfGame:
11951 SendToProgram("?\n", cps);
11955 TruncateGameEvent()
11958 if (gameMode != EditGame) return;
11965 if (forwardMostMove > currentMove) {
11966 if (gameInfo.resultDetails != NULL) {
11967 free(gameInfo.resultDetails);
11968 gameInfo.resultDetails = NULL;
11969 gameInfo.result = GameUnfinished;
11971 forwardMostMove = currentMove;
11972 HistorySet(parseList, backwardMostMove, forwardMostMove,
11980 if (appData.noChessProgram) return;
11981 switch (gameMode) {
11982 case MachinePlaysWhite:
11983 if (WhiteOnMove(forwardMostMove)) {
11984 DisplayError(_("Wait until your turn"), 0);
11988 case BeginningOfGame:
11989 case MachinePlaysBlack:
11990 if (!WhiteOnMove(forwardMostMove)) {
11991 DisplayError(_("Wait until your turn"), 0);
11996 DisplayError(_("No hint available"), 0);
11999 SendToProgram("hint\n", &first);
12000 hintRequested = TRUE;
12006 if (appData.noChessProgram) return;
12007 switch (gameMode) {
12008 case MachinePlaysWhite:
12009 if (WhiteOnMove(forwardMostMove)) {
12010 DisplayError(_("Wait until your turn"), 0);
12014 case BeginningOfGame:
12015 case MachinePlaysBlack:
12016 if (!WhiteOnMove(forwardMostMove)) {
12017 DisplayError(_("Wait until your turn"), 0);
12022 EditPositionDone();
12024 case TwoMachinesPlay:
12029 SendToProgram("bk\n", &first);
12030 bookOutput[0] = NULLCHAR;
12031 bookRequested = TRUE;
12037 char *tags = PGNTags(&gameInfo);
12038 TagsPopUp(tags, CmailMsg());
12042 /* end button procedures */
12045 PrintPosition(fp, move)
12051 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12052 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
12053 char c = PieceToChar(boards[move][i][j]);
12054 fputc(c == 'x' ? '.' : c, fp);
12055 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
12058 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
12059 fprintf(fp, "white to play\n");
12061 fprintf(fp, "black to play\n");
12068 if (gameInfo.white != NULL) {
12069 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
12075 /* Find last component of program's own name, using some heuristics */
12077 TidyProgramName(prog, host, buf)
12078 char *prog, *host, buf[MSG_SIZ];
12081 int local = (strcmp(host, "localhost") == 0);
12082 while (!local && (p = strchr(prog, ';')) != NULL) {
12084 while (*p == ' ') p++;
12087 if (*prog == '"' || *prog == '\'') {
12088 q = strchr(prog + 1, *prog);
12090 q = strchr(prog, ' ');
12092 if (q == NULL) q = prog + strlen(prog);
12094 while (p >= prog && *p != '/' && *p != '\\') p--;
12096 if(p == prog && *p == '"') p++;
12097 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
12098 memcpy(buf, p, q - p);
12099 buf[q - p] = NULLCHAR;
12107 TimeControlTagValue()
12110 if (!appData.clockMode) {
12112 } else if (movesPerSession > 0) {
12113 sprintf(buf, "%d/%ld", movesPerSession, timeControl/1000);
12114 } else if (timeIncrement == 0) {
12115 sprintf(buf, "%ld", timeControl/1000);
12117 sprintf(buf, "%ld+%ld", timeControl/1000, timeIncrement/1000);
12119 return StrSave(buf);
12125 /* This routine is used only for certain modes */
12126 VariantClass v = gameInfo.variant;
12127 ClearGameInfo(&gameInfo);
12128 gameInfo.variant = v;
12130 switch (gameMode) {
12131 case MachinePlaysWhite:
12132 gameInfo.event = StrSave( appData.pgnEventHeader );
12133 gameInfo.site = StrSave(HostName());
12134 gameInfo.date = PGNDate();
12135 gameInfo.round = StrSave("-");
12136 gameInfo.white = StrSave(first.tidy);
12137 gameInfo.black = StrSave(UserName());
12138 gameInfo.timeControl = TimeControlTagValue();
12141 case MachinePlaysBlack:
12142 gameInfo.event = StrSave( appData.pgnEventHeader );
12143 gameInfo.site = StrSave(HostName());
12144 gameInfo.date = PGNDate();
12145 gameInfo.round = StrSave("-");
12146 gameInfo.white = StrSave(UserName());
12147 gameInfo.black = StrSave(first.tidy);
12148 gameInfo.timeControl = TimeControlTagValue();
12151 case TwoMachinesPlay:
12152 gameInfo.event = StrSave( appData.pgnEventHeader );
12153 gameInfo.site = StrSave(HostName());
12154 gameInfo.date = PGNDate();
12155 if (matchGame > 0) {
12157 sprintf(buf, "%d", matchGame);
12158 gameInfo.round = StrSave(buf);
12160 gameInfo.round = StrSave("-");
12162 if (first.twoMachinesColor[0] == 'w') {
12163 gameInfo.white = StrSave(first.tidy);
12164 gameInfo.black = StrSave(second.tidy);
12166 gameInfo.white = StrSave(second.tidy);
12167 gameInfo.black = StrSave(first.tidy);
12169 gameInfo.timeControl = TimeControlTagValue();
12173 gameInfo.event = StrSave("Edited game");
12174 gameInfo.site = StrSave(HostName());
12175 gameInfo.date = PGNDate();
12176 gameInfo.round = StrSave("-");
12177 gameInfo.white = StrSave("-");
12178 gameInfo.black = StrSave("-");
12182 gameInfo.event = StrSave("Edited position");
12183 gameInfo.site = StrSave(HostName());
12184 gameInfo.date = PGNDate();
12185 gameInfo.round = StrSave("-");
12186 gameInfo.white = StrSave("-");
12187 gameInfo.black = StrSave("-");
12190 case IcsPlayingWhite:
12191 case IcsPlayingBlack:
12196 case PlayFromGameFile:
12197 gameInfo.event = StrSave("Game from non-PGN file");
12198 gameInfo.site = StrSave(HostName());
12199 gameInfo.date = PGNDate();
12200 gameInfo.round = StrSave("-");
12201 gameInfo.white = StrSave("?");
12202 gameInfo.black = StrSave("?");
12211 ReplaceComment(index, text)
12217 while (*text == '\n') text++;
12218 len = strlen(text);
12219 while (len > 0 && text[len - 1] == '\n') len--;
12221 if (commentList[index] != NULL)
12222 free(commentList[index]);
12225 commentList[index] = NULL;
12228 commentList[index] = (char *) malloc(len + 2);
12229 strncpy(commentList[index], text, len);
12230 commentList[index][len] = '\n';
12231 commentList[index][len + 1] = NULLCHAR;
12244 if (ch == '\r') continue;
12246 } while (ch != '\0');
12250 AppendComment(index, text)
12257 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
12260 while (*text == '\n') text++;
12261 len = strlen(text);
12262 while (len > 0 && text[len - 1] == '\n') len--;
12264 if (len == 0) return;
12266 if (commentList[index] != NULL) {
12267 old = commentList[index];
12268 oldlen = strlen(old);
12269 commentList[index] = (char *) malloc(oldlen + len + 2);
12270 strcpy(commentList[index], old);
12272 strncpy(&commentList[index][oldlen], text, len);
12273 commentList[index][oldlen + len] = '\n';
12274 commentList[index][oldlen + len + 1] = NULLCHAR;
12276 commentList[index] = (char *) malloc(len + 2);
12277 strncpy(commentList[index], text, len);
12278 commentList[index][len] = '\n';
12279 commentList[index][len + 1] = NULLCHAR;
12283 static char * FindStr( char * text, char * sub_text )
12285 char * result = strstr( text, sub_text );
12287 if( result != NULL ) {
12288 result += strlen( sub_text );
12294 /* [AS] Try to extract PV info from PGN comment */
12295 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
12296 char *GetInfoFromComment( int index, char * text )
12300 if( text != NULL && index > 0 ) {
12303 int time = -1, sec = 0, deci;
12304 char * s_eval = FindStr( text, "[%eval " );
12305 char * s_emt = FindStr( text, "[%emt " );
12307 if( s_eval != NULL || s_emt != NULL ) {
12311 if( s_eval != NULL ) {
12312 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
12316 if( delim != ']' ) {
12321 if( s_emt != NULL ) {
12325 /* We expect something like: [+|-]nnn.nn/dd */
12328 sep = strchr( text, '/' );
12329 if( sep == NULL || sep < (text+4) ) {
12333 time = -1; sec = -1; deci = -1;
12334 if( sscanf( text, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
12335 sscanf( text, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
12336 sscanf( text, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
12337 sscanf( text, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
12341 if( score_lo < 0 || score_lo >= 100 ) {
12345 if(sec >= 0) time = 600*time + 10*sec; else
12346 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
12348 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
12350 /* [HGM] PV time: now locate end of PV info */
12351 while( *++sep >= '0' && *sep <= '9'); // strip depth
12353 while( *++sep >= '0' && *sep <= '9'); // strip time
12355 while( *++sep >= '0' && *sep <= '9'); // strip seconds
12357 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
12358 while(*sep == ' ') sep++;
12369 pvInfoList[index-1].depth = depth;
12370 pvInfoList[index-1].score = score;
12371 pvInfoList[index-1].time = 10*time; // centi-sec
12377 SendToProgram(message, cps)
12379 ChessProgramState *cps;
12381 int count, outCount, error;
12384 if (cps->pr == NULL) return;
12387 if (appData.debugMode) {
12390 fprintf(debugFP, "%ld >%-6s: %s",
12391 SubtractTimeMarks(&now, &programStartTime),
12392 cps->which, message);
12395 count = strlen(message);
12396 outCount = OutputToProcess(cps->pr, message, count, &error);
12397 if (outCount < count && !exiting
12398 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
12399 sprintf(buf, _("Error writing to %s chess program"), cps->which);
12400 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
12401 if(epStatus[forwardMostMove] <= EP_DRAWS) {
12402 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
12403 sprintf(buf, "%s program exits in draw position (%s)", cps->which, cps->program);
12405 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
12407 gameInfo.resultDetails = buf;
12409 DisplayFatalError(buf, error, 1);
12414 ReceiveFromProgram(isr, closure, message, count, error)
12415 InputSourceRef isr;
12423 ChessProgramState *cps = (ChessProgramState *)closure;
12425 if (isr != cps->isr) return; /* Killed intentionally */
12429 _("Error: %s chess program (%s) exited unexpectedly"),
12430 cps->which, cps->program);
12431 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
12432 if(epStatus[forwardMostMove] <= EP_DRAWS) {
12433 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
12434 sprintf(buf, _("%s program exits in draw position (%s)"), cps->which, cps->program);
12436 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
12438 gameInfo.resultDetails = buf;
12440 RemoveInputSource(cps->isr);
12441 DisplayFatalError(buf, 0, 1);
12444 _("Error reading from %s chess program (%s)"),
12445 cps->which, cps->program);
12446 RemoveInputSource(cps->isr);
12448 /* [AS] Program is misbehaving badly... kill it */
12449 if( count == -2 ) {
12450 DestroyChildProcess( cps->pr, 9 );
12454 DisplayFatalError(buf, error, 1);
12459 if ((end_str = strchr(message, '\r')) != NULL)
12460 *end_str = NULLCHAR;
12461 if ((end_str = strchr(message, '\n')) != NULL)
12462 *end_str = NULLCHAR;
12464 if (appData.debugMode) {
12465 TimeMark now; int print = 1;
12466 char *quote = ""; char c; int i;
12468 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
12469 char start = message[0];
12470 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
12471 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
12472 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
12473 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
12474 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
12475 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
12476 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
12477 sscanf(message, "pong %c", &c)!=1 && start != '#')
12478 { quote = "# "; print = (appData.engineComments == 2); }
12479 message[0] = start; // restore original message
12483 fprintf(debugFP, "%ld <%-6s: %s%s\n",
12484 SubtractTimeMarks(&now, &programStartTime), cps->which,
12490 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
12491 if (appData.icsEngineAnalyze) {
12492 if (strstr(message, "whisper") != NULL ||
12493 strstr(message, "kibitz") != NULL ||
12494 strstr(message, "tellics") != NULL) return;
12497 HandleMachineMove(message, cps);
12502 SendTimeControl(cps, mps, tc, inc, sd, st)
12503 ChessProgramState *cps;
12504 int mps, inc, sd, st;
12510 if( timeControl_2 > 0 ) {
12511 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
12512 tc = timeControl_2;
12515 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
12516 inc /= cps->timeOdds;
12517 st /= cps->timeOdds;
12519 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
12522 /* Set exact time per move, normally using st command */
12523 if (cps->stKludge) {
12524 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
12526 if (seconds == 0) {
12527 sprintf(buf, "level 1 %d\n", st/60);
12529 sprintf(buf, "level 1 %d:%02d\n", st/60, seconds);
12532 sprintf(buf, "st %d\n", st);
12535 /* Set conventional or incremental time control, using level command */
12536 if (seconds == 0) {
12537 /* Note old gnuchess bug -- minutes:seconds used to not work.
12538 Fixed in later versions, but still avoid :seconds
12539 when seconds is 0. */
12540 sprintf(buf, "level %d %ld %d\n", mps, tc/60000, inc/1000);
12542 sprintf(buf, "level %d %ld:%02d %d\n", mps, tc/60000,
12543 seconds, inc/1000);
12546 SendToProgram(buf, cps);
12548 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
12549 /* Orthogonally, limit search to given depth */
12551 if (cps->sdKludge) {
12552 sprintf(buf, "depth\n%d\n", sd);
12554 sprintf(buf, "sd %d\n", sd);
12556 SendToProgram(buf, cps);
12559 if(cps->nps > 0) { /* [HGM] nps */
12560 if(cps->supportsNPS == FALSE) cps->nps = -1; // don't use if engine explicitly says not supported!
12562 sprintf(buf, "nps %d\n", cps->nps);
12563 SendToProgram(buf, cps);
12568 ChessProgramState *WhitePlayer()
12569 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
12571 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
12572 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
12578 SendTimeRemaining(cps, machineWhite)
12579 ChessProgramState *cps;
12580 int /*boolean*/ machineWhite;
12582 char message[MSG_SIZ];
12585 /* Note: this routine must be called when the clocks are stopped
12586 or when they have *just* been set or switched; otherwise
12587 it will be off by the time since the current tick started.
12589 if (machineWhite) {
12590 time = whiteTimeRemaining / 10;
12591 otime = blackTimeRemaining / 10;
12593 time = blackTimeRemaining / 10;
12594 otime = whiteTimeRemaining / 10;
12596 /* [HGM] translate opponent's time by time-odds factor */
12597 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
12598 if (appData.debugMode) {
12599 fprintf(debugFP, "time odds: %d %d \n", cps->timeOdds, cps->other->timeOdds);
12602 if (time <= 0) time = 1;
12603 if (otime <= 0) otime = 1;
12605 sprintf(message, "time %ld\n", time);
12606 SendToProgram(message, cps);
12608 sprintf(message, "otim %ld\n", otime);
12609 SendToProgram(message, cps);
12613 BoolFeature(p, name, loc, cps)
12617 ChessProgramState *cps;
12620 int len = strlen(name);
12622 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
12624 sscanf(*p, "%d", &val);
12626 while (**p && **p != ' ') (*p)++;
12627 sprintf(buf, "accepted %s\n", name);
12628 SendToProgram(buf, cps);
12635 IntFeature(p, name, loc, cps)
12639 ChessProgramState *cps;
12642 int len = strlen(name);
12643 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
12645 sscanf(*p, "%d", loc);
12646 while (**p && **p != ' ') (*p)++;
12647 sprintf(buf, "accepted %s\n", name);
12648 SendToProgram(buf, cps);
12655 StringFeature(p, name, loc, cps)
12659 ChessProgramState *cps;
12662 int len = strlen(name);
12663 if (strncmp((*p), name, len) == 0
12664 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
12666 sscanf(*p, "%[^\"]", loc);
12667 while (**p && **p != '\"') (*p)++;
12668 if (**p == '\"') (*p)++;
12669 sprintf(buf, "accepted %s\n", name);
12670 SendToProgram(buf, cps);
12677 ParseOption(Option *opt, ChessProgramState *cps)
12678 // [HGM] options: process the string that defines an engine option, and determine
12679 // name, type, default value, and allowed value range
12681 char *p, *q, buf[MSG_SIZ];
12682 int n, min = (-1)<<31, max = 1<<31, def;
12684 if(p = strstr(opt->name, " -spin ")) {
12685 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
12686 if(max < min) max = min; // enforce consistency
12687 if(def < min) def = min;
12688 if(def > max) def = max;
12693 } else if((p = strstr(opt->name, " -slider "))) {
12694 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
12695 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
12696 if(max < min) max = min; // enforce consistency
12697 if(def < min) def = min;
12698 if(def > max) def = max;
12702 opt->type = Spin; // Slider;
12703 } else if((p = strstr(opt->name, " -string "))) {
12704 opt->textValue = p+9;
12705 opt->type = TextBox;
12706 } else if((p = strstr(opt->name, " -file "))) {
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; // FileName;
12710 } else if((p = strstr(opt->name, " -path "))) {
12711 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
12712 opt->textValue = p+7;
12713 opt->type = TextBox; // PathName;
12714 } else if(p = strstr(opt->name, " -check ")) {
12715 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
12716 opt->value = (def != 0);
12717 opt->type = CheckBox;
12718 } else if(p = strstr(opt->name, " -combo ")) {
12719 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
12720 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
12721 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
12722 opt->value = n = 0;
12723 while(q = StrStr(q, " /// ")) {
12724 n++; *q = 0; // count choices, and null-terminate each of them
12726 if(*q == '*') { // remember default, which is marked with * prefix
12730 cps->comboList[cps->comboCnt++] = q;
12732 cps->comboList[cps->comboCnt++] = NULL;
12734 opt->type = ComboBox;
12735 } else if(p = strstr(opt->name, " -button")) {
12736 opt->type = Button;
12737 } else if(p = strstr(opt->name, " -save")) {
12738 opt->type = SaveButton;
12739 } else return FALSE;
12740 *p = 0; // terminate option name
12741 // now look if the command-line options define a setting for this engine option.
12742 if(cps->optionSettings && cps->optionSettings[0])
12743 p = strstr(cps->optionSettings, opt->name); else p = NULL;
12744 if(p && (p == cps->optionSettings || p[-1] == ',')) {
12745 sprintf(buf, "option %s", p);
12746 if(p = strstr(buf, ",")) *p = 0;
12748 SendToProgram(buf, cps);
12754 FeatureDone(cps, val)
12755 ChessProgramState* cps;
12758 DelayedEventCallback cb = GetDelayedEvent();
12759 if ((cb == InitBackEnd3 && cps == &first) ||
12760 (cb == TwoMachinesEventIfReady && cps == &second)) {
12761 CancelDelayedEvent();
12762 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
12764 cps->initDone = val;
12767 /* Parse feature command from engine */
12769 ParseFeatures(args, cps)
12771 ChessProgramState *cps;
12779 while (*p == ' ') p++;
12780 if (*p == NULLCHAR) return;
12782 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
12783 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
12784 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
12785 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
12786 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
12787 if (BoolFeature(&p, "reuse", &val, cps)) {
12788 /* Engine can disable reuse, but can't enable it if user said no */
12789 if (!val) cps->reuse = FALSE;
12792 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
12793 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
12794 if (gameMode == TwoMachinesPlay) {
12795 DisplayTwoMachinesTitle();
12801 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
12802 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
12803 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
12804 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
12805 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
12806 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
12807 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
12808 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
12809 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
12810 if (IntFeature(&p, "done", &val, cps)) {
12811 FeatureDone(cps, val);
12814 /* Added by Tord: */
12815 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
12816 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
12817 /* End of additions by Tord */
12819 /* [HGM] added features: */
12820 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
12821 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
12822 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
12823 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
12824 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
12825 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
12826 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
12827 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
12828 sprintf(buf, "rejected option %s\n", cps->option[--cps->nrOptions].name);
12829 SendToProgram(buf, cps);
12832 if(cps->nrOptions >= MAX_OPTIONS) {
12834 sprintf(buf, "%s engine has too many options\n", cps->which);
12835 DisplayError(buf, 0);
12839 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
12840 /* End of additions by HGM */
12842 /* unknown feature: complain and skip */
12844 while (*q && *q != '=') q++;
12845 sprintf(buf, "rejected %.*s\n", q-p, p);
12846 SendToProgram(buf, cps);
12852 while (*p && *p != '\"') p++;
12853 if (*p == '\"') p++;
12855 while (*p && *p != ' ') p++;
12863 PeriodicUpdatesEvent(newState)
12866 if (newState == appData.periodicUpdates)
12869 appData.periodicUpdates=newState;
12871 /* Display type changes, so update it now */
12872 // DisplayAnalysis();
12874 /* Get the ball rolling again... */
12876 AnalysisPeriodicEvent(1);
12877 StartAnalysisClock();
12882 PonderNextMoveEvent(newState)
12885 if (newState == appData.ponderNextMove) return;
12886 if (gameMode == EditPosition) EditPositionDone();
12888 SendToProgram("hard\n", &first);
12889 if (gameMode == TwoMachinesPlay) {
12890 SendToProgram("hard\n", &second);
12893 SendToProgram("easy\n", &first);
12894 thinkOutput[0] = NULLCHAR;
12895 if (gameMode == TwoMachinesPlay) {
12896 SendToProgram("easy\n", &second);
12899 appData.ponderNextMove = newState;
12903 NewSettingEvent(option, command, value)
12909 if (gameMode == EditPosition) EditPositionDone();
12910 sprintf(buf, "%s%s %d\n", (option ? "option ": ""), command, value);
12911 SendToProgram(buf, &first);
12912 if (gameMode == TwoMachinesPlay) {
12913 SendToProgram(buf, &second);
12918 ShowThinkingEvent()
12919 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
12921 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
12922 int newState = appData.showThinking
12923 // [HGM] thinking: other features now need thinking output as well
12924 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
12926 if (oldState == newState) return;
12927 oldState = newState;
12928 if (gameMode == EditPosition) EditPositionDone();
12930 SendToProgram("post\n", &first);
12931 if (gameMode == TwoMachinesPlay) {
12932 SendToProgram("post\n", &second);
12935 SendToProgram("nopost\n", &first);
12936 thinkOutput[0] = NULLCHAR;
12937 if (gameMode == TwoMachinesPlay) {
12938 SendToProgram("nopost\n", &second);
12941 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
12945 AskQuestionEvent(title, question, replyPrefix, which)
12946 char *title; char *question; char *replyPrefix; char *which;
12948 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
12949 if (pr == NoProc) return;
12950 AskQuestion(title, question, replyPrefix, pr);
12954 DisplayMove(moveNumber)
12957 char message[MSG_SIZ];
12959 char cpThinkOutput[MSG_SIZ];
12961 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
12963 if (moveNumber == forwardMostMove - 1 ||
12964 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12966 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput));
12968 if (strchr(cpThinkOutput, '\n')) {
12969 *strchr(cpThinkOutput, '\n') = NULLCHAR;
12972 *cpThinkOutput = NULLCHAR;
12975 /* [AS] Hide thinking from human user */
12976 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
12977 *cpThinkOutput = NULLCHAR;
12978 if( thinkOutput[0] != NULLCHAR ) {
12981 for( i=0; i<=hiddenThinkOutputState; i++ ) {
12982 cpThinkOutput[i] = '.';
12984 cpThinkOutput[i] = NULLCHAR;
12985 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
12989 if (moveNumber == forwardMostMove - 1 &&
12990 gameInfo.resultDetails != NULL) {
12991 if (gameInfo.resultDetails[0] == NULLCHAR) {
12992 sprintf(res, " %s", PGNResult(gameInfo.result));
12994 sprintf(res, " {%s} %s",
12995 gameInfo.resultDetails, PGNResult(gameInfo.result));
13001 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
13002 DisplayMessage(res, cpThinkOutput);
13004 sprintf(message, "%d.%s%s%s", moveNumber / 2 + 1,
13005 WhiteOnMove(moveNumber) ? " " : ".. ",
13006 parseList[moveNumber], res);
13007 DisplayMessage(message, cpThinkOutput);
13012 DisplayComment(moveNumber, text)
13016 char title[MSG_SIZ];
13017 char buf[8000]; // comment can be long!
13020 if( appData.autoDisplayComment ) {
13021 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
13022 strcpy(title, "Comment");
13024 sprintf(title, "Comment on %d.%s%s", moveNumber / 2 + 1,
13025 WhiteOnMove(moveNumber) ? " " : ".. ",
13026 parseList[moveNumber]);
13028 // [HGM] PV info: display PV info together with (or as) comment
13029 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
13030 if(text == NULL) text = "";
13031 score = pvInfoList[moveNumber].score;
13032 sprintf(buf, "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
13033 depth, (pvInfoList[moveNumber].time+50)/100, text);
13036 } else title[0] = 0;
13039 CommentPopUp(title, text);
13042 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
13043 * might be busy thinking or pondering. It can be omitted if your
13044 * gnuchess is configured to stop thinking immediately on any user
13045 * input. However, that gnuchess feature depends on the FIONREAD
13046 * ioctl, which does not work properly on some flavors of Unix.
13050 ChessProgramState *cps;
13053 if (!cps->useSigint) return;
13054 if (appData.noChessProgram || (cps->pr == NoProc)) return;
13055 switch (gameMode) {
13056 case MachinePlaysWhite:
13057 case MachinePlaysBlack:
13058 case TwoMachinesPlay:
13059 case IcsPlayingWhite:
13060 case IcsPlayingBlack:
13063 /* Skip if we know it isn't thinking */
13064 if (!cps->maybeThinking) return;
13065 if (appData.debugMode)
13066 fprintf(debugFP, "Interrupting %s\n", cps->which);
13067 InterruptChildProcess(cps->pr);
13068 cps->maybeThinking = FALSE;
13073 #endif /*ATTENTION*/
13079 if (whiteTimeRemaining <= 0) {
13082 if (appData.icsActive) {
13083 if (appData.autoCallFlag &&
13084 gameMode == IcsPlayingBlack && !blackFlag) {
13085 SendToICS(ics_prefix);
13086 SendToICS("flag\n");
13090 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
13092 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
13093 if (appData.autoCallFlag) {
13094 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
13101 if (blackTimeRemaining <= 0) {
13104 if (appData.icsActive) {
13105 if (appData.autoCallFlag &&
13106 gameMode == IcsPlayingWhite && !whiteFlag) {
13107 SendToICS(ics_prefix);
13108 SendToICS("flag\n");
13112 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
13114 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
13115 if (appData.autoCallFlag) {
13116 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
13129 if (!appData.clockMode || appData.icsActive ||
13130 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
13133 * add time to clocks when time control is achieved ([HGM] now also used for increment)
13135 if ( !WhiteOnMove(forwardMostMove) )
13136 /* White made time control */
13137 whiteTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
13138 /* [HGM] time odds: correct new time quota for time odds! */
13139 / WhitePlayer()->timeOdds;
13141 /* Black made time control */
13142 blackTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
13143 / WhitePlayer()->other->timeOdds;
13147 DisplayBothClocks()
13149 int wom = gameMode == EditPosition ?
13150 !blackPlaysFirst : WhiteOnMove(currentMove);
13151 DisplayWhiteClock(whiteTimeRemaining, wom);
13152 DisplayBlackClock(blackTimeRemaining, !wom);
13156 /* Timekeeping seems to be a portability nightmare. I think everyone
13157 has ftime(), but I'm really not sure, so I'm including some ifdefs
13158 to use other calls if you don't. Clocks will be less accurate if
13159 you have neither ftime nor gettimeofday.
13162 /* VS 2008 requires the #include outside of the function */
13163 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
13164 #include <sys/timeb.h>
13167 /* Get the current time as a TimeMark */
13172 #if HAVE_GETTIMEOFDAY
13174 struct timeval timeVal;
13175 struct timezone timeZone;
13177 gettimeofday(&timeVal, &timeZone);
13178 tm->sec = (long) timeVal.tv_sec;
13179 tm->ms = (int) (timeVal.tv_usec / 1000L);
13181 #else /*!HAVE_GETTIMEOFDAY*/
13184 // include <sys/timeb.h> / moved to just above start of function
13185 struct timeb timeB;
13188 tm->sec = (long) timeB.time;
13189 tm->ms = (int) timeB.millitm;
13191 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
13192 tm->sec = (long) time(NULL);
13198 /* Return the difference in milliseconds between two
13199 time marks. We assume the difference will fit in a long!
13202 SubtractTimeMarks(tm2, tm1)
13203 TimeMark *tm2, *tm1;
13205 return 1000L*(tm2->sec - tm1->sec) +
13206 (long) (tm2->ms - tm1->ms);
13211 * Code to manage the game clocks.
13213 * In tournament play, black starts the clock and then white makes a move.
13214 * We give the human user a slight advantage if he is playing white---the
13215 * clocks don't run until he makes his first move, so it takes zero time.
13216 * Also, we don't account for network lag, so we could get out of sync
13217 * with GNU Chess's clock -- but then, referees are always right.
13220 static TimeMark tickStartTM;
13221 static long intendedTickLength;
13224 NextTickLength(timeRemaining)
13225 long timeRemaining;
13227 long nominalTickLength, nextTickLength;
13229 if (timeRemaining > 0L && timeRemaining <= 10000L)
13230 nominalTickLength = 100L;
13232 nominalTickLength = 1000L;
13233 nextTickLength = timeRemaining % nominalTickLength;
13234 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
13236 return nextTickLength;
13239 /* Adjust clock one minute up or down */
13241 AdjustClock(Boolean which, int dir)
13243 if(which) blackTimeRemaining += 60000*dir;
13244 else whiteTimeRemaining += 60000*dir;
13245 DisplayBothClocks();
13248 /* Stop clocks and reset to a fresh time control */
13252 (void) StopClockTimer();
13253 if (appData.icsActive) {
13254 whiteTimeRemaining = blackTimeRemaining = 0;
13255 } else { /* [HGM] correct new time quote for time odds */
13256 whiteTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->timeOdds;
13257 blackTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->other->timeOdds;
13259 if (whiteFlag || blackFlag) {
13261 whiteFlag = blackFlag = FALSE;
13263 DisplayBothClocks();
13266 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
13268 /* Decrement running clock by amount of time that has passed */
13272 long timeRemaining;
13273 long lastTickLength, fudge;
13276 if (!appData.clockMode) return;
13277 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
13281 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
13283 /* Fudge if we woke up a little too soon */
13284 fudge = intendedTickLength - lastTickLength;
13285 if (fudge < 0 || fudge > FUDGE) fudge = 0;
13287 if (WhiteOnMove(forwardMostMove)) {
13288 if(whiteNPS >= 0) lastTickLength = 0;
13289 timeRemaining = whiteTimeRemaining -= lastTickLength;
13290 DisplayWhiteClock(whiteTimeRemaining - fudge,
13291 WhiteOnMove(currentMove));
13293 if(blackNPS >= 0) lastTickLength = 0;
13294 timeRemaining = blackTimeRemaining -= lastTickLength;
13295 DisplayBlackClock(blackTimeRemaining - fudge,
13296 !WhiteOnMove(currentMove));
13299 if (CheckFlags()) return;
13302 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
13303 StartClockTimer(intendedTickLength);
13305 /* if the time remaining has fallen below the alarm threshold, sound the
13306 * alarm. if the alarm has sounded and (due to a takeback or time control
13307 * with increment) the time remaining has increased to a level above the
13308 * threshold, reset the alarm so it can sound again.
13311 if (appData.icsActive && appData.icsAlarm) {
13313 /* make sure we are dealing with the user's clock */
13314 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
13315 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
13318 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
13319 alarmSounded = FALSE;
13320 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
13322 alarmSounded = TRUE;
13328 /* A player has just moved, so stop the previously running
13329 clock and (if in clock mode) start the other one.
13330 We redisplay both clocks in case we're in ICS mode, because
13331 ICS gives us an update to both clocks after every move.
13332 Note that this routine is called *after* forwardMostMove
13333 is updated, so the last fractional tick must be subtracted
13334 from the color that is *not* on move now.
13339 long lastTickLength;
13341 int flagged = FALSE;
13345 if (StopClockTimer() && appData.clockMode) {
13346 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
13347 if (WhiteOnMove(forwardMostMove)) {
13348 if(blackNPS >= 0) lastTickLength = 0;
13349 blackTimeRemaining -= lastTickLength;
13350 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
13351 // if(pvInfoList[forwardMostMove-1].time == -1)
13352 pvInfoList[forwardMostMove-1].time = // use GUI time
13353 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
13355 if(whiteNPS >= 0) lastTickLength = 0;
13356 whiteTimeRemaining -= lastTickLength;
13357 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
13358 // if(pvInfoList[forwardMostMove-1].time == -1)
13359 pvInfoList[forwardMostMove-1].time =
13360 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
13362 flagged = CheckFlags();
13364 CheckTimeControl();
13366 if (flagged || !appData.clockMode) return;
13368 switch (gameMode) {
13369 case MachinePlaysBlack:
13370 case MachinePlaysWhite:
13371 case BeginningOfGame:
13372 if (pausing) return;
13376 case PlayFromGameFile:
13385 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
13386 whiteTimeRemaining : blackTimeRemaining);
13387 StartClockTimer(intendedTickLength);
13391 /* Stop both clocks */
13395 long lastTickLength;
13398 if (!StopClockTimer()) return;
13399 if (!appData.clockMode) return;
13403 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
13404 if (WhiteOnMove(forwardMostMove)) {
13405 if(whiteNPS >= 0) lastTickLength = 0;
13406 whiteTimeRemaining -= lastTickLength;
13407 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
13409 if(blackNPS >= 0) lastTickLength = 0;
13410 blackTimeRemaining -= lastTickLength;
13411 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
13416 /* Start clock of player on move. Time may have been reset, so
13417 if clock is already running, stop and restart it. */
13421 (void) StopClockTimer(); /* in case it was running already */
13422 DisplayBothClocks();
13423 if (CheckFlags()) return;
13425 if (!appData.clockMode) return;
13426 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
13428 GetTimeMark(&tickStartTM);
13429 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
13430 whiteTimeRemaining : blackTimeRemaining);
13432 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
13433 whiteNPS = blackNPS = -1;
13434 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
13435 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
13436 whiteNPS = first.nps;
13437 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
13438 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
13439 blackNPS = first.nps;
13440 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
13441 whiteNPS = second.nps;
13442 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
13443 blackNPS = second.nps;
13444 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
13446 StartClockTimer(intendedTickLength);
13453 long second, minute, hour, day;
13455 static char buf[32];
13457 if (ms > 0 && ms <= 9900) {
13458 /* convert milliseconds to tenths, rounding up */
13459 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
13461 sprintf(buf, " %03.1f ", tenths/10.0);
13465 /* convert milliseconds to seconds, rounding up */
13466 /* use floating point to avoid strangeness of integer division
13467 with negative dividends on many machines */
13468 second = (long) floor(((double) (ms + 999L)) / 1000.0);
13475 day = second / (60 * 60 * 24);
13476 second = second % (60 * 60 * 24);
13477 hour = second / (60 * 60);
13478 second = second % (60 * 60);
13479 minute = second / 60;
13480 second = second % 60;
13483 sprintf(buf, " %s%ld:%02ld:%02ld:%02ld ",
13484 sign, day, hour, minute, second);
13486 sprintf(buf, " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
13488 sprintf(buf, " %s%2ld:%02ld ", sign, minute, second);
13495 * This is necessary because some C libraries aren't ANSI C compliant yet.
13498 StrStr(string, match)
13499 char *string, *match;
13503 length = strlen(match);
13505 for (i = strlen(string) - length; i >= 0; i--, string++)
13506 if (!strncmp(match, string, length))
13513 StrCaseStr(string, match)
13514 char *string, *match;
13518 length = strlen(match);
13520 for (i = strlen(string) - length; i >= 0; i--, string++) {
13521 for (j = 0; j < length; j++) {
13522 if (ToLower(match[j]) != ToLower(string[j]))
13525 if (j == length) return string;
13539 c1 = ToLower(*s1++);
13540 c2 = ToLower(*s2++);
13541 if (c1 > c2) return 1;
13542 if (c1 < c2) return -1;
13543 if (c1 == NULLCHAR) return 0;
13552 return isupper(c) ? tolower(c) : c;
13560 return islower(c) ? toupper(c) : c;
13562 #endif /* !_amigados */
13570 if ((ret = (char *) malloc(strlen(s) + 1))) {
13577 StrSavePtr(s, savePtr)
13578 char *s, **savePtr;
13583 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
13584 strcpy(*savePtr, s);
13596 clock = time((time_t *)NULL);
13597 tm = localtime(&clock);
13598 sprintf(buf, "%04d.%02d.%02d",
13599 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
13600 return StrSave(buf);
13605 PositionToFEN(move, overrideCastling)
13607 char *overrideCastling;
13609 int i, j, fromX, fromY, toX, toY;
13616 whiteToPlay = (gameMode == EditPosition) ?
13617 !blackPlaysFirst : (move % 2 == 0);
13620 /* Piece placement data */
13621 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13623 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
13624 if (boards[move][i][j] == EmptySquare) {
13626 } else { ChessSquare piece = boards[move][i][j];
13627 if (emptycount > 0) {
13628 if(emptycount<10) /* [HGM] can be >= 10 */
13629 *p++ = '0' + emptycount;
13630 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
13633 if(PieceToChar(piece) == '+') {
13634 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
13636 piece = (ChessSquare)(DEMOTED piece);
13638 *p++ = PieceToChar(piece);
13640 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
13641 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
13646 if (emptycount > 0) {
13647 if(emptycount<10) /* [HGM] can be >= 10 */
13648 *p++ = '0' + emptycount;
13649 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
13656 /* [HGM] print Crazyhouse or Shogi holdings */
13657 if( gameInfo.holdingsWidth ) {
13658 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
13660 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
13661 piece = boards[move][i][BOARD_WIDTH-1];
13662 if( piece != EmptySquare )
13663 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
13664 *p++ = PieceToChar(piece);
13666 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
13667 piece = boards[move][BOARD_HEIGHT-i-1][0];
13668 if( piece != EmptySquare )
13669 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
13670 *p++ = PieceToChar(piece);
13673 if( q == p ) *p++ = '-';
13679 *p++ = whiteToPlay ? 'w' : 'b';
13682 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
13683 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' ';
13685 if(nrCastlingRights) {
13687 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
13688 /* [HGM] write directly from rights */
13689 if(castlingRights[move][2] >= 0 &&
13690 castlingRights[move][0] >= 0 )
13691 *p++ = castlingRights[move][0] + AAA + 'A' - 'a';
13692 if(castlingRights[move][2] >= 0 &&
13693 castlingRights[move][1] >= 0 )
13694 *p++ = castlingRights[move][1] + AAA + 'A' - 'a';
13695 if(castlingRights[move][5] >= 0 &&
13696 castlingRights[move][3] >= 0 )
13697 *p++ = castlingRights[move][3] + AAA;
13698 if(castlingRights[move][5] >= 0 &&
13699 castlingRights[move][4] >= 0 )
13700 *p++ = castlingRights[move][4] + AAA;
13703 /* [HGM] write true castling rights */
13704 if( nrCastlingRights == 6 ) {
13705 if(castlingRights[move][0] == BOARD_RGHT-1 &&
13706 castlingRights[move][2] >= 0 ) *p++ = 'K';
13707 if(castlingRights[move][1] == BOARD_LEFT &&
13708 castlingRights[move][2] >= 0 ) *p++ = 'Q';
13709 if(castlingRights[move][3] == BOARD_RGHT-1 &&
13710 castlingRights[move][5] >= 0 ) *p++ = 'k';
13711 if(castlingRights[move][4] == BOARD_LEFT &&
13712 castlingRights[move][5] >= 0 ) *p++ = 'q';
13715 if (q == p) *p++ = '-'; /* No castling rights */
13719 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
13720 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier ) {
13721 /* En passant target square */
13722 if (move > backwardMostMove) {
13723 fromX = moveList[move - 1][0] - AAA;
13724 fromY = moveList[move - 1][1] - ONE;
13725 toX = moveList[move - 1][2] - AAA;
13726 toY = moveList[move - 1][3] - ONE;
13727 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
13728 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
13729 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
13731 /* 2-square pawn move just happened */
13733 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
13737 } else if(move == backwardMostMove) {
13738 // [HGM] perhaps we should always do it like this, and forget the above?
13739 if(epStatus[move] >= 0) {
13740 *p++ = epStatus[move] + AAA;
13741 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
13752 /* [HGM] find reversible plies */
13753 { int i = 0, j=move;
13755 if (appData.debugMode) { int k;
13756 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
13757 for(k=backwardMostMove; k<=forwardMostMove; k++)
13758 fprintf(debugFP, "e%d. p=%d\n", k, epStatus[k]);
13762 while(j > backwardMostMove && epStatus[j] <= EP_NONE) j--,i++;
13763 if( j == backwardMostMove ) i += initialRulePlies;
13764 sprintf(p, "%d ", i);
13765 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
13767 /* Fullmove number */
13768 sprintf(p, "%d", (move / 2) + 1);
13770 return StrSave(buf);
13774 ParseFEN(board, blackPlaysFirst, fen)
13776 int *blackPlaysFirst;
13786 /* [HGM] by default clear Crazyhouse holdings, if present */
13787 if(gameInfo.holdingsWidth) {
13788 for(i=0; i<BOARD_HEIGHT; i++) {
13789 board[i][0] = EmptySquare; /* black holdings */
13790 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
13791 board[i][1] = (ChessSquare) 0; /* black counts */
13792 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
13796 /* Piece placement data */
13797 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13800 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
13801 if (*p == '/') p++;
13802 emptycount = gameInfo.boardWidth - j;
13803 while (emptycount--)
13804 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
13806 #if(BOARD_SIZE >= 10)
13807 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
13808 p++; emptycount=10;
13809 if (j + emptycount > gameInfo.boardWidth) return FALSE;
13810 while (emptycount--)
13811 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
13813 } else if (isdigit(*p)) {
13814 emptycount = *p++ - '0';
13815 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
13816 if (j + emptycount > gameInfo.boardWidth) return FALSE;
13817 while (emptycount--)
13818 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
13819 } else if (*p == '+' || isalpha(*p)) {
13820 if (j >= gameInfo.boardWidth) return FALSE;
13822 piece = CharToPiece(*++p);
13823 if(piece == EmptySquare) return FALSE; /* unknown piece */
13824 piece = (ChessSquare) (PROMOTED piece ); p++;
13825 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
13826 } else piece = CharToPiece(*p++);
13828 if(piece==EmptySquare) return FALSE; /* unknown piece */
13829 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
13830 piece = (ChessSquare) (PROMOTED piece);
13831 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
13834 board[i][(j++)+gameInfo.holdingsWidth] = piece;
13840 while (*p == '/' || *p == ' ') p++;
13842 /* [HGM] look for Crazyhouse holdings here */
13843 while(*p==' ') p++;
13844 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
13846 if(*p == '-' ) *p++; /* empty holdings */ else {
13847 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
13848 /* if we would allow FEN reading to set board size, we would */
13849 /* have to add holdings and shift the board read so far here */
13850 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
13852 if((int) piece >= (int) BlackPawn ) {
13853 i = (int)piece - (int)BlackPawn;
13854 i = PieceToNumber((ChessSquare)i);
13855 if( i >= gameInfo.holdingsSize ) return FALSE;
13856 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
13857 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
13859 i = (int)piece - (int)WhitePawn;
13860 i = PieceToNumber((ChessSquare)i);
13861 if( i >= gameInfo.holdingsSize ) return FALSE;
13862 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
13863 board[i][BOARD_WIDTH-2]++; /* black holdings */
13867 if(*p == ']') *p++;
13870 while(*p == ' ') p++;
13875 *blackPlaysFirst = FALSE;
13878 *blackPlaysFirst = TRUE;
13884 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
13885 /* return the extra info in global variiables */
13887 /* set defaults in case FEN is incomplete */
13888 FENepStatus = EP_UNKNOWN;
13889 for(i=0; i<nrCastlingRights; i++ ) {
13890 FENcastlingRights[i] =
13891 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? -1 : initialRights[i];
13892 } /* assume possible unless obviously impossible */
13893 if(initialRights[0]>=0 && board[castlingRank[0]][initialRights[0]] != WhiteRook) FENcastlingRights[0] = -1;
13894 if(initialRights[1]>=0 && board[castlingRank[1]][initialRights[1]] != WhiteRook) FENcastlingRights[1] = -1;
13895 if(initialRights[2]>=0 && board[castlingRank[2]][initialRights[2]] != WhiteKing) FENcastlingRights[2] = -1;
13896 if(initialRights[3]>=0 && board[castlingRank[3]][initialRights[3]] != BlackRook) FENcastlingRights[3] = -1;
13897 if(initialRights[4]>=0 && board[castlingRank[4]][initialRights[4]] != BlackRook) FENcastlingRights[4] = -1;
13898 if(initialRights[5]>=0 && board[castlingRank[5]][initialRights[5]] != BlackKing) FENcastlingRights[5] = -1;
13901 while(*p==' ') p++;
13902 if(nrCastlingRights) {
13903 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
13904 /* castling indicator present, so default becomes no castlings */
13905 for(i=0; i<nrCastlingRights; i++ ) {
13906 FENcastlingRights[i] = -1;
13909 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
13910 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
13911 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
13912 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
13913 char c = *p++; int whiteKingFile=-1, blackKingFile=-1;
13915 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
13916 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
13917 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
13921 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
13922 FENcastlingRights[0] = i != whiteKingFile ? i : -1;
13923 FENcastlingRights[2] = whiteKingFile;
13926 for(i=BOARD_LEFT; board[0][i]!=WhiteRook && i<whiteKingFile; i++);
13927 FENcastlingRights[1] = i != whiteKingFile ? i : -1;
13928 FENcastlingRights[2] = whiteKingFile;
13931 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
13932 FENcastlingRights[3] = i != blackKingFile ? i : -1;
13933 FENcastlingRights[5] = blackKingFile;
13936 for(i=BOARD_LEFT; board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
13937 FENcastlingRights[4] = i != blackKingFile ? i : -1;
13938 FENcastlingRights[5] = blackKingFile;
13941 default: /* FRC castlings */
13942 if(c >= 'a') { /* black rights */
13943 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
13944 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
13945 if(i == BOARD_RGHT) break;
13946 FENcastlingRights[5] = i;
13948 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
13949 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
13951 FENcastlingRights[3] = c;
13953 FENcastlingRights[4] = c;
13954 } else { /* white rights */
13955 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
13956 if(board[0][i] == WhiteKing) break;
13957 if(i == BOARD_RGHT) break;
13958 FENcastlingRights[2] = i;
13959 c -= AAA - 'a' + 'A';
13960 if(board[0][c] >= WhiteKing) break;
13962 FENcastlingRights[0] = c;
13964 FENcastlingRights[1] = c;
13968 if (appData.debugMode) {
13969 fprintf(debugFP, "FEN castling rights:");
13970 for(i=0; i<nrCastlingRights; i++)
13971 fprintf(debugFP, " %d", FENcastlingRights[i]);
13972 fprintf(debugFP, "\n");
13975 while(*p==' ') p++;
13978 /* read e.p. field in games that know e.p. capture */
13979 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
13980 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier ) {
13982 p++; FENepStatus = EP_NONE;
13984 char c = *p++ - AAA;
13986 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
13987 if(*p >= '0' && *p <='9') *p++;
13993 if(sscanf(p, "%d", &i) == 1) {
13994 FENrulePlies = i; /* 50-move ply counter */
13995 /* (The move number is still ignored) */
14002 EditPositionPasteFEN(char *fen)
14005 Board initial_position;
14007 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
14008 DisplayError(_("Bad FEN position in clipboard"), 0);
14011 int savedBlackPlaysFirst = blackPlaysFirst;
14012 EditPositionEvent();
14013 blackPlaysFirst = savedBlackPlaysFirst;
14014 CopyBoard(boards[0], initial_position);
14015 /* [HGM] copy FEN attributes as well */
14017 initialRulePlies = FENrulePlies;
14018 epStatus[0] = FENepStatus;
14019 for( i=0; i<nrCastlingRights; i++ )
14020 castlingRights[0][i] = FENcastlingRights[i];
14022 EditPositionDone();
14023 DisplayBothClocks();
14024 DrawPosition(FALSE, boards[currentMove]);
14029 static char cseq[12] = "\\ ";
14031 Boolean set_cont_sequence(char *new_seq)
14036 // handle bad attempts to set the sequence
14038 return 0; // acceptable error - no debug
14040 len = strlen(new_seq);
14041 ret = (len > 0) && (len < sizeof(cseq));
14043 strcpy(cseq, new_seq);
14044 else if (appData.debugMode)
14045 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %d)\n", new_seq, sizeof(cseq)-1);
14050 reformat a source message so words don't cross the width boundary. internal
14051 newlines are not removed. returns the wrapped size (no null character unless
14052 included in source message). If dest is NULL, only calculate the size required
14053 for the dest buffer. lp argument indicats line position upon entry, and it's
14054 passed back upon exit.
14056 int wrap(char *dest, char *src, int count, int width, int *lp)
14058 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
14060 cseq_len = strlen(cseq);
14061 old_line = line = *lp;
14062 ansi = len = clen = 0;
14064 for (i=0; i < count; i++)
14066 if (src[i] == '\033')
14069 // if we hit the width, back up
14070 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
14072 // store i & len in case the word is too long
14073 old_i = i, old_len = len;
14075 // find the end of the last word
14076 while (i && src[i] != ' ' && src[i] != '\n')
14082 // word too long? restore i & len before splitting it
14083 if ((old_i-i+clen) >= width)
14090 if (i && src[i-1] == ' ')
14093 if (src[i] != ' ' && src[i] != '\n')
14100 // now append the newline and continuation sequence
14105 strncpy(dest+len, cseq, cseq_len);
14113 dest[len] = src[i];
14117 if (src[i] == '\n')
14122 if (dest && appData.debugMode)
14124 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
14125 count, width, line, len, *lp);
14126 show_bytes(debugFP, src, count);
14127 fprintf(debugFP, "\ndest: ");
14128 show_bytes(debugFP, dest, len);
14129 fprintf(debugFP, "\n");
14131 *lp = dest ? line : old_line;