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));
187 void DisplayAnalysis P((void));
189 void ParseGameHistory P((char *game));
190 void ParseBoard12 P((char *string));
191 void StartClocks P((void));
192 void SwitchClocks P((void));
193 void StopClocks P((void));
194 void ResetClocks P((void));
195 char *PGNDate P((void));
196 void SetGameInfo P((void));
197 Boolean ParseFEN P((Board board, int *blackPlaysFirst, char *fen));
198 int RegisterMove P((void));
199 void MakeRegisteredMove P((void));
200 void TruncateGame P((void));
201 int looking_at P((char *, int *, char *));
202 void CopyPlayerNameIntoFileName P((char **, char *));
203 char *SavePart P((char *));
204 int SaveGameOldStyle P((FILE *));
205 int SaveGamePGN P((FILE *));
206 void GetTimeMark P((TimeMark *));
207 long SubtractTimeMarks P((TimeMark *, TimeMark *));
208 int CheckFlags P((void));
209 long NextTickLength P((long));
210 void CheckTimeControl P((void));
211 void show_bytes P((FILE *, char *, int));
212 int string_to_rating P((char *str));
213 void ParseFeatures P((char* args, ChessProgramState *cps));
214 void InitBackEnd3 P((void));
215 void FeatureDone P((ChessProgramState* cps, int val));
216 void InitChessProgram P((ChessProgramState *cps, int setup));
217 void OutputKibitz(int window, char *text);
218 int PerpetualChase(int first, int last);
219 int EngineOutputIsUp();
220 void InitDrawingSizes(int x, int y);
223 extern void ConsoleCreate();
226 ChessProgramState *WhitePlayer();
227 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
228 int VerifyDisplayMode P(());
230 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
231 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
232 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
233 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
234 void ics_update_width P((int new_width));
235 extern char installDir[MSG_SIZ];
237 extern int tinyLayout, smallLayout;
238 ChessProgramStats programStats;
239 static int exiting = 0; /* [HGM] moved to top */
240 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
241 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
242 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
243 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
244 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
245 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
246 int opponentKibitzes;
247 int lastSavedGame; /* [HGM] save: ID of game */
248 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
249 extern int chatCount;
252 /* States for ics_getting_history */
254 #define H_REQUESTED 1
255 #define H_GOT_REQ_HEADER 2
256 #define H_GOT_UNREQ_HEADER 3
257 #define H_GETTING_MOVES 4
258 #define H_GOT_UNWANTED_HEADER 5
260 /* whosays values for GameEnds */
269 /* Maximum number of games in a cmail message */
270 #define CMAIL_MAX_GAMES 20
272 /* Different types of move when calling RegisterMove */
274 #define CMAIL_RESIGN 1
276 #define CMAIL_ACCEPT 3
278 /* Different types of result to remember for each game */
279 #define CMAIL_NOT_RESULT 0
280 #define CMAIL_OLD_RESULT 1
281 #define CMAIL_NEW_RESULT 2
283 /* Telnet protocol constants */
294 static char * safeStrCpy( char * dst, const char * src, size_t count )
296 assert( dst != NULL );
297 assert( src != NULL );
300 strncpy( dst, src, count );
301 dst[ count-1 ] = '\0';
305 /* Some compiler can't cast u64 to double
306 * This function do the job for us:
308 * We use the highest bit for cast, this only
309 * works if the highest bit is not
310 * in use (This should not happen)
312 * We used this for all compiler
315 u64ToDouble(u64 value)
318 u64 tmp = value & u64Const(0x7fffffffffffffff);
319 r = (double)(s64)tmp;
320 if (value & u64Const(0x8000000000000000))
321 r += 9.2233720368547758080e18; /* 2^63 */
325 /* Fake up flags for now, as we aren't keeping track of castling
326 availability yet. [HGM] Change of logic: the flag now only
327 indicates the type of castlings allowed by the rule of the game.
328 The actual rights themselves are maintained in the array
329 castlingRights, as part of the game history, and are not probed
335 int flags = F_ALL_CASTLE_OK;
336 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
337 switch (gameInfo.variant) {
339 flags &= ~F_ALL_CASTLE_OK;
340 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
341 flags |= F_IGNORE_CHECK;
343 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
346 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
348 case VariantKriegspiel:
349 flags |= F_KRIEGSPIEL_CAPTURE;
351 case VariantCapaRandom:
352 case VariantFischeRandom:
353 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
354 case VariantNoCastle:
355 case VariantShatranj:
357 flags &= ~F_ALL_CASTLE_OK;
365 FILE *gameFileFP, *debugFP;
368 [AS] Note: sometimes, the sscanf() function is used to parse the input
369 into a fixed-size buffer. Because of this, we must be prepared to
370 receive strings as long as the size of the input buffer, which is currently
371 set to 4K for Windows and 8K for the rest.
372 So, we must either allocate sufficiently large buffers here, or
373 reduce the size of the input buffer in the input reading part.
376 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
377 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
378 char thinkOutput1[MSG_SIZ*10];
380 ChessProgramState first, second;
382 /* premove variables */
385 int premoveFromX = 0;
386 int premoveFromY = 0;
387 int premovePromoChar = 0;
389 Boolean alarmSounded;
390 /* end premove variables */
392 char *ics_prefix = "$";
393 int ics_type = ICS_GENERIC;
395 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
396 int pauseExamForwardMostMove = 0;
397 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
398 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
399 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
400 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
401 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
402 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
403 int whiteFlag = FALSE, blackFlag = FALSE;
404 int userOfferedDraw = FALSE;
405 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
406 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
407 int cmailMoveType[CMAIL_MAX_GAMES];
408 long ics_clock_paused = 0;
409 ProcRef icsPR = NoProc, cmailPR = NoProc;
410 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
411 GameMode gameMode = BeginningOfGame;
412 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
413 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
414 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
415 int hiddenThinkOutputState = 0; /* [AS] */
416 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
417 int adjudicateLossPlies = 6;
418 char white_holding[64], black_holding[64];
419 TimeMark lastNodeCountTime;
420 long lastNodeCount=0;
421 int have_sent_ICS_logon = 0;
423 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement;
424 long timeControl_2; /* [AS] Allow separate time controls */
425 char *fullTimeControlString = NULL; /* [HGM] secondary TC: merge of MPS, TC and inc */
426 long timeRemaining[2][MAX_MOVES];
428 TimeMark programStartTime;
429 char ics_handle[MSG_SIZ];
430 int have_set_title = 0;
432 /* animateTraining preserves the state of appData.animate
433 * when Training mode is activated. This allows the
434 * response to be animated when appData.animate == TRUE and
435 * appData.animateDragging == TRUE.
437 Boolean animateTraining;
443 Board boards[MAX_MOVES];
444 /* [HGM] Following 7 needed for accurate legality tests: */
445 signed char epStatus[MAX_MOVES];
446 signed char castlingRights[MAX_MOVES][BOARD_SIZE]; // stores files for pieces with castling rights or -1
447 signed char castlingRank[BOARD_SIZE]; // and corresponding ranks
448 signed char initialRights[BOARD_SIZE], FENcastlingRights[BOARD_SIZE], fileRights[BOARD_SIZE];
449 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
450 int initialRulePlies, FENrulePlies;
452 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
455 int mute; // mute all sounds
457 ChessSquare FIDEArray[2][BOARD_SIZE] = {
458 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
459 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
460 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
461 BlackKing, BlackBishop, BlackKnight, BlackRook }
464 ChessSquare twoKingsArray[2][BOARD_SIZE] = {
465 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
466 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
467 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
468 BlackKing, BlackKing, BlackKnight, BlackRook }
471 ChessSquare KnightmateArray[2][BOARD_SIZE] = {
472 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
473 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
474 { BlackRook, BlackMan, BlackBishop, BlackQueen,
475 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
478 ChessSquare fairyArray[2][BOARD_SIZE] = { /* [HGM] Queen side differs from King side */
479 { WhiteCannon, WhiteNightrider, WhiteAlfil, WhiteQueen,
480 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
481 { BlackCannon, BlackNightrider, BlackAlfil, BlackQueen,
482 BlackKing, BlackBishop, BlackKnight, BlackRook }
485 ChessSquare ShatranjArray[2][BOARD_SIZE] = { /* [HGM] (movGen knows about Shatranj Q and P) */
486 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
487 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
488 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
489 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
494 ChessSquare ShogiArray[2][BOARD_SIZE] = {
495 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
496 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
497 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
498 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
501 ChessSquare XiangqiArray[2][BOARD_SIZE] = {
502 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
503 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
504 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
505 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
508 ChessSquare CapablancaArray[2][BOARD_SIZE] = {
509 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
510 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
511 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
512 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
515 ChessSquare GreatArray[2][BOARD_SIZE] = {
516 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
517 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
518 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
519 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
522 ChessSquare JanusArray[2][BOARD_SIZE] = {
523 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
524 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
525 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
526 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
530 ChessSquare GothicArray[2][BOARD_SIZE] = {
531 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
532 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
533 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
534 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
537 #define GothicArray CapablancaArray
541 ChessSquare FalconArray[2][BOARD_SIZE] = {
542 { WhiteRook, WhiteKnight, WhiteBishop, WhiteLance, WhiteQueen,
543 WhiteKing, WhiteLance, WhiteBishop, WhiteKnight, WhiteRook },
544 { BlackRook, BlackKnight, BlackBishop, BlackLance, BlackQueen,
545 BlackKing, BlackLance, BlackBishop, BlackKnight, BlackRook }
548 #define FalconArray CapablancaArray
551 #else // !(BOARD_SIZE>=10)
552 #define XiangqiPosition FIDEArray
553 #define CapablancaArray FIDEArray
554 #define GothicArray FIDEArray
555 #define GreatArray FIDEArray
556 #endif // !(BOARD_SIZE>=10)
559 ChessSquare CourierArray[2][BOARD_SIZE] = {
560 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
561 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
562 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
563 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
565 #else // !(BOARD_SIZE>=12)
566 #define CourierArray CapablancaArray
567 #endif // !(BOARD_SIZE>=12)
570 Board initialPosition;
573 /* Convert str to a rating. Checks for special cases of "----",
575 "++++", etc. Also strips ()'s */
577 string_to_rating(str)
580 while(*str && !isdigit(*str)) ++str;
582 return 0; /* One of the special "no rating" cases */
590 /* Init programStats */
591 programStats.movelist[0] = 0;
592 programStats.depth = 0;
593 programStats.nr_moves = 0;
594 programStats.moves_left = 0;
595 programStats.nodes = 0;
596 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
597 programStats.score = 0;
598 programStats.got_only_move = 0;
599 programStats.got_fail = 0;
600 programStats.line_is_book = 0;
606 int matched, min, sec;
608 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
610 GetTimeMark(&programStartTime);
611 srand(programStartTime.ms); // [HGM] book: makes sure random is unpredictabe to msec level
614 programStats.ok_to_send = 1;
615 programStats.seen_stat = 0;
618 * Initialize game list
624 * Internet chess server status
626 if (appData.icsActive) {
627 appData.matchMode = FALSE;
628 appData.matchGames = 0;
630 appData.noChessProgram = !appData.zippyPlay;
632 appData.zippyPlay = FALSE;
633 appData.zippyTalk = FALSE;
634 appData.noChessProgram = TRUE;
636 if (*appData.icsHelper != NULLCHAR) {
637 appData.useTelnet = TRUE;
638 appData.telnetProgram = appData.icsHelper;
641 appData.zippyTalk = appData.zippyPlay = FALSE;
644 /* [AS] Initialize pv info list [HGM] and game state */
648 for( i=0; i<MAX_MOVES; i++ ) {
649 pvInfoList[i].depth = -1;
651 for( j=0; j<BOARD_SIZE; j++ ) castlingRights[i][j] = -1;
656 * Parse timeControl resource
658 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
659 appData.movesPerSession)) {
661 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
662 DisplayFatalError(buf, 0, 2);
666 * Parse searchTime resource
668 if (*appData.searchTime != NULLCHAR) {
669 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
671 searchTime = min * 60;
672 } else if (matched == 2) {
673 searchTime = min * 60 + sec;
676 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
677 DisplayFatalError(buf, 0, 2);
681 /* [AS] Adjudication threshold */
682 adjudicateLossThreshold = appData.adjudicateLossThreshold;
684 first.which = "first";
685 second.which = "second";
686 first.maybeThinking = second.maybeThinking = FALSE;
687 first.pr = second.pr = NoProc;
688 first.isr = second.isr = NULL;
689 first.sendTime = second.sendTime = 2;
690 first.sendDrawOffers = 1;
691 if (appData.firstPlaysBlack) {
692 first.twoMachinesColor = "black\n";
693 second.twoMachinesColor = "white\n";
695 first.twoMachinesColor = "white\n";
696 second.twoMachinesColor = "black\n";
698 first.program = appData.firstChessProgram;
699 second.program = appData.secondChessProgram;
700 first.host = appData.firstHost;
701 second.host = appData.secondHost;
702 first.dir = appData.firstDirectory;
703 second.dir = appData.secondDirectory;
704 first.other = &second;
705 second.other = &first;
706 first.initString = appData.initString;
707 second.initString = appData.secondInitString;
708 first.computerString = appData.firstComputerString;
709 second.computerString = appData.secondComputerString;
710 first.useSigint = second.useSigint = TRUE;
711 first.useSigterm = second.useSigterm = TRUE;
712 first.reuse = appData.reuseFirst;
713 second.reuse = appData.reuseSecond;
714 first.nps = appData.firstNPS; // [HGM] nps: copy nodes per second
715 second.nps = appData.secondNPS;
716 first.useSetboard = second.useSetboard = FALSE;
717 first.useSAN = second.useSAN = FALSE;
718 first.usePing = second.usePing = FALSE;
719 first.lastPing = second.lastPing = 0;
720 first.lastPong = second.lastPong = 0;
721 first.usePlayother = second.usePlayother = FALSE;
722 first.useColors = second.useColors = TRUE;
723 first.useUsermove = second.useUsermove = FALSE;
724 first.sendICS = second.sendICS = FALSE;
725 first.sendName = second.sendName = appData.icsActive;
726 first.sdKludge = second.sdKludge = FALSE;
727 first.stKludge = second.stKludge = FALSE;
728 TidyProgramName(first.program, first.host, first.tidy);
729 TidyProgramName(second.program, second.host, second.tidy);
730 first.matchWins = second.matchWins = 0;
731 strcpy(first.variants, appData.variant);
732 strcpy(second.variants, appData.variant);
733 first.analysisSupport = second.analysisSupport = 2; /* detect */
734 first.analyzing = second.analyzing = FALSE;
735 first.initDone = second.initDone = FALSE;
737 /* New features added by Tord: */
738 first.useFEN960 = FALSE; second.useFEN960 = FALSE;
739 first.useOOCastle = TRUE; second.useOOCastle = TRUE;
740 /* End of new features added by Tord. */
741 first.fenOverride = appData.fenOverride1;
742 second.fenOverride = appData.fenOverride2;
744 /* [HGM] time odds: set factor for each machine */
745 first.timeOdds = appData.firstTimeOdds;
746 second.timeOdds = appData.secondTimeOdds;
748 if(appData.timeOddsMode) {
749 norm = first.timeOdds;
750 if(norm > second.timeOdds) norm = second.timeOdds;
752 first.timeOdds /= norm;
753 second.timeOdds /= norm;
756 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
757 first.accumulateTC = appData.firstAccumulateTC;
758 second.accumulateTC = appData.secondAccumulateTC;
759 first.maxNrOfSessions = second.maxNrOfSessions = 1;
762 first.debug = second.debug = FALSE;
763 first.supportsNPS = second.supportsNPS = UNKNOWN;
766 first.optionSettings = appData.firstOptions;
767 second.optionSettings = appData.secondOptions;
769 first.scoreIsAbsolute = appData.firstScoreIsAbsolute; /* [AS] */
770 second.scoreIsAbsolute = appData.secondScoreIsAbsolute; /* [AS] */
771 first.isUCI = appData.firstIsUCI; /* [AS] */
772 second.isUCI = appData.secondIsUCI; /* [AS] */
773 first.hasOwnBookUCI = appData.firstHasOwnBookUCI; /* [AS] */
774 second.hasOwnBookUCI = appData.secondHasOwnBookUCI; /* [AS] */
776 if (appData.firstProtocolVersion > PROTOVER ||
777 appData.firstProtocolVersion < 1) {
779 sprintf(buf, _("protocol version %d not supported"),
780 appData.firstProtocolVersion);
781 DisplayFatalError(buf, 0, 2);
783 first.protocolVersion = appData.firstProtocolVersion;
786 if (appData.secondProtocolVersion > PROTOVER ||
787 appData.secondProtocolVersion < 1) {
789 sprintf(buf, _("protocol version %d not supported"),
790 appData.secondProtocolVersion);
791 DisplayFatalError(buf, 0, 2);
793 second.protocolVersion = appData.secondProtocolVersion;
796 if (appData.icsActive) {
797 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
798 } else if (*appData.searchTime != NULLCHAR || appData.noChessProgram) {
799 appData.clockMode = FALSE;
800 first.sendTime = second.sendTime = 0;
804 /* Override some settings from environment variables, for backward
805 compatibility. Unfortunately it's not feasible to have the env
806 vars just set defaults, at least in xboard. Ugh.
808 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
813 if (appData.noChessProgram) {
814 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
815 sprintf(programVersion, "%s", PACKAGE_STRING);
817 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
818 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
819 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
822 if (!appData.icsActive) {
824 /* Check for variants that are supported only in ICS mode,
825 or not at all. Some that are accepted here nevertheless
826 have bugs; see comments below.
828 VariantClass variant = StringToVariant(appData.variant);
830 case VariantBughouse: /* need four players and two boards */
831 case VariantKriegspiel: /* need to hide pieces and move details */
832 /* case VariantFischeRandom: (Fabien: moved below) */
833 sprintf(buf, _("Variant %s supported only in ICS mode"), appData.variant);
834 DisplayFatalError(buf, 0, 2);
838 case VariantLoadable:
848 sprintf(buf, _("Unknown variant name %s"), appData.variant);
849 DisplayFatalError(buf, 0, 2);
852 case VariantXiangqi: /* [HGM] repetition rules not implemented */
853 case VariantFairy: /* [HGM] TestLegality definitely off! */
854 case VariantGothic: /* [HGM] should work */
855 case VariantCapablanca: /* [HGM] should work */
856 case VariantCourier: /* [HGM] initial forced moves not implemented */
857 case VariantShogi: /* [HGM] drops not tested for legality */
858 case VariantKnightmate: /* [HGM] should work */
859 case VariantCylinder: /* [HGM] untested */
860 case VariantFalcon: /* [HGM] untested */
861 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
862 offboard interposition not understood */
863 case VariantNormal: /* definitely works! */
864 case VariantWildCastle: /* pieces not automatically shuffled */
865 case VariantNoCastle: /* pieces not automatically shuffled */
866 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
867 case VariantLosers: /* should work except for win condition,
868 and doesn't know captures are mandatory */
869 case VariantSuicide: /* should work except for win condition,
870 and doesn't know captures are mandatory */
871 case VariantGiveaway: /* should work except for win condition,
872 and doesn't know captures are mandatory */
873 case VariantTwoKings: /* should work */
874 case VariantAtomic: /* should work except for win condition */
875 case Variant3Check: /* should work except for win condition */
876 case VariantShatranj: /* should work except for all win conditions */
877 case VariantBerolina: /* might work if TestLegality is off */
878 case VariantCapaRandom: /* should work */
879 case VariantJanus: /* should work */
880 case VariantSuper: /* experimental */
881 case VariantGreat: /* experimental, requires legality testing to be off */
886 InitEngineUCI( installDir, &first ); // [HGM] moved here from winboard.c, to make available in xboard
887 InitEngineUCI( installDir, &second );
890 int NextIntegerFromString( char ** str, long * value )
895 while( *s == ' ' || *s == '\t' ) {
901 if( *s >= '0' && *s <= '9' ) {
902 while( *s >= '0' && *s <= '9' ) {
903 *value = *value * 10 + (*s - '0');
915 int NextTimeControlFromString( char ** str, long * value )
918 int result = NextIntegerFromString( str, &temp );
921 *value = temp * 60; /* Minutes */
924 result = NextIntegerFromString( str, &temp );
925 *value += temp; /* Seconds */
932 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc)
933 { /* [HGM] routine added to read '+moves/time' for secondary time control */
934 int result = -1; long temp, temp2;
936 if(**str != '+') return -1; // old params remain in force!
938 if( NextTimeControlFromString( str, &temp ) ) return -1;
941 /* time only: incremental or sudden-death time control */
942 if(**str == '+') { /* increment follows; read it */
944 if(result = NextIntegerFromString( str, &temp2)) return -1;
947 *moves = 0; *tc = temp * 1000;
949 } else if(temp % 60 != 0) return -1; /* moves was given as min:sec */
951 (*str)++; /* classical time control */
952 result = NextTimeControlFromString( str, &temp2);
961 int GetTimeQuota(int movenr)
962 { /* [HGM] get time to add from the multi-session time-control string */
963 int moves=1; /* kludge to force reading of first session */
964 long time, increment;
965 char *s = fullTimeControlString;
967 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", fullTimeControlString);
969 if(moves) NextSessionFromString(&s, &moves, &time, &increment);
970 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
971 if(movenr == -1) return time; /* last move before new session */
972 if(!moves) return increment; /* current session is incremental */
973 if(movenr >= 0) movenr -= moves; /* we already finished this session */
974 } while(movenr >= -1); /* try again for next session */
976 return 0; // no new time quota on this move
980 ParseTimeControl(tc, ti, mps)
989 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
992 sprintf(buf, "+%d/%s+%d", mps, tc, ti);
993 else sprintf(buf, "+%s+%d", tc, ti);
996 sprintf(buf, "+%d/%s", mps, tc);
997 else sprintf(buf, "+%s", tc);
999 fullTimeControlString = StrSave(buf);
1001 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1006 /* Parse second time control */
1009 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1017 timeControl_2 = tc2 * 1000;
1027 timeControl = tc1 * 1000;
1030 timeIncrement = ti * 1000; /* convert to ms */
1031 movesPerSession = 0;
1034 movesPerSession = mps;
1042 if (appData.debugMode) {
1043 fprintf(debugFP, "%s\n", programVersion);
1046 if (appData.matchGames > 0) {
1047 appData.matchMode = TRUE;
1048 } else if (appData.matchMode) {
1049 appData.matchGames = 1;
1051 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1052 appData.matchGames = appData.sameColorGames;
1053 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1054 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1055 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1058 if (appData.noChessProgram || first.protocolVersion == 1) {
1061 /* kludge: allow timeout for initial "feature" commands */
1063 DisplayMessage("", _("Starting chess program"));
1064 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1069 InitBackEnd3 P((void))
1071 GameMode initialMode;
1075 InitChessProgram(&first, startedFromSetupPosition);
1078 if (appData.icsActive) {
1080 /* [DM] Make a console window if needed [HGM] merged ifs */
1085 if (*appData.icsCommPort != NULLCHAR) {
1086 sprintf(buf, _("Could not open comm port %s"),
1087 appData.icsCommPort);
1089 snprintf(buf, sizeof(buf), _("Could not connect to host %s, port %s"),
1090 appData.icsHost, appData.icsPort);
1092 DisplayFatalError(buf, err, 1);
1097 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1099 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1100 } else if (appData.noChessProgram) {
1106 if (*appData.cmailGameName != NULLCHAR) {
1108 OpenLoopback(&cmailPR);
1110 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1114 DisplayMessage("", "");
1115 if (StrCaseCmp(appData.initialMode, "") == 0) {
1116 initialMode = BeginningOfGame;
1117 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1118 initialMode = TwoMachinesPlay;
1119 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1120 initialMode = AnalyzeFile;
1121 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1122 initialMode = AnalyzeMode;
1123 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1124 initialMode = MachinePlaysWhite;
1125 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1126 initialMode = MachinePlaysBlack;
1127 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1128 initialMode = EditGame;
1129 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1130 initialMode = EditPosition;
1131 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1132 initialMode = Training;
1134 sprintf(buf, _("Unknown initialMode %s"), appData.initialMode);
1135 DisplayFatalError(buf, 0, 2);
1139 if (appData.matchMode) {
1140 /* Set up machine vs. machine match */
1141 if (appData.noChessProgram) {
1142 DisplayFatalError(_("Can't have a match with no chess programs"),
1148 if (*appData.loadGameFile != NULLCHAR) {
1149 int index = appData.loadGameIndex; // [HGM] autoinc
1150 if(index<0) lastIndex = index = 1;
1151 if (!LoadGameFromFile(appData.loadGameFile,
1153 appData.loadGameFile, FALSE)) {
1154 DisplayFatalError(_("Bad game file"), 0, 1);
1157 } else if (*appData.loadPositionFile != NULLCHAR) {
1158 int index = appData.loadPositionIndex; // [HGM] autoinc
1159 if(index<0) lastIndex = index = 1;
1160 if (!LoadPositionFromFile(appData.loadPositionFile,
1162 appData.loadPositionFile)) {
1163 DisplayFatalError(_("Bad position file"), 0, 1);
1168 } else if (*appData.cmailGameName != NULLCHAR) {
1169 /* Set up cmail mode */
1170 ReloadCmailMsgEvent(TRUE);
1172 /* Set up other modes */
1173 if (initialMode == AnalyzeFile) {
1174 if (*appData.loadGameFile == NULLCHAR) {
1175 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1179 if (*appData.loadGameFile != NULLCHAR) {
1180 (void) LoadGameFromFile(appData.loadGameFile,
1181 appData.loadGameIndex,
1182 appData.loadGameFile, TRUE);
1183 } else if (*appData.loadPositionFile != NULLCHAR) {
1184 (void) LoadPositionFromFile(appData.loadPositionFile,
1185 appData.loadPositionIndex,
1186 appData.loadPositionFile);
1187 /* [HGM] try to make self-starting even after FEN load */
1188 /* to allow automatic setup of fairy variants with wtm */
1189 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1190 gameMode = BeginningOfGame;
1191 setboardSpoiledMachineBlack = 1;
1193 /* [HGM] loadPos: make that every new game uses the setup */
1194 /* from file as long as we do not switch variant */
1195 if(!blackPlaysFirst) { int i;
1196 startedFromPositionFile = TRUE;
1197 CopyBoard(filePosition, boards[0]);
1198 for(i=0; i<BOARD_SIZE; i++) fileRights[i] = castlingRights[0][i];
1201 if (initialMode == AnalyzeMode) {
1202 if (appData.noChessProgram) {
1203 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1206 if (appData.icsActive) {
1207 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1211 } else if (initialMode == AnalyzeFile) {
1212 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1213 ShowThinkingEvent();
1215 AnalysisPeriodicEvent(1);
1216 } else if (initialMode == MachinePlaysWhite) {
1217 if (appData.noChessProgram) {
1218 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1222 if (appData.icsActive) {
1223 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1227 MachineWhiteEvent();
1228 } else if (initialMode == MachinePlaysBlack) {
1229 if (appData.noChessProgram) {
1230 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1234 if (appData.icsActive) {
1235 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1239 MachineBlackEvent();
1240 } else if (initialMode == TwoMachinesPlay) {
1241 if (appData.noChessProgram) {
1242 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1246 if (appData.icsActive) {
1247 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1252 } else if (initialMode == EditGame) {
1254 } else if (initialMode == EditPosition) {
1255 EditPositionEvent();
1256 } else if (initialMode == Training) {
1257 if (*appData.loadGameFile == NULLCHAR) {
1258 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1267 * Establish will establish a contact to a remote host.port.
1268 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1269 * used to talk to the host.
1270 * Returns 0 if okay, error code if not.
1277 if (*appData.icsCommPort != NULLCHAR) {
1278 /* Talk to the host through a serial comm port */
1279 return OpenCommPort(appData.icsCommPort, &icsPR);
1281 } else if (*appData.gateway != NULLCHAR) {
1282 if (*appData.remoteShell == NULLCHAR) {
1283 /* Use the rcmd protocol to run telnet program on a gateway host */
1284 snprintf(buf, sizeof(buf), "%s %s %s",
1285 appData.telnetProgram, appData.icsHost, appData.icsPort);
1286 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1289 /* Use the rsh program to run telnet program on a gateway host */
1290 if (*appData.remoteUser == NULLCHAR) {
1291 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1292 appData.gateway, appData.telnetProgram,
1293 appData.icsHost, appData.icsPort);
1295 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1296 appData.remoteShell, appData.gateway,
1297 appData.remoteUser, appData.telnetProgram,
1298 appData.icsHost, appData.icsPort);
1300 return StartChildProcess(buf, "", &icsPR);
1303 } else if (appData.useTelnet) {
1304 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1307 /* TCP socket interface differs somewhat between
1308 Unix and NT; handle details in the front end.
1310 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1315 show_bytes(fp, buf, count)
1321 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1322 fprintf(fp, "\\%03o", *buf & 0xff);
1331 /* Returns an errno value */
1333 OutputMaybeTelnet(pr, message, count, outError)
1339 char buf[8192], *p, *q, *buflim;
1340 int left, newcount, outcount;
1342 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1343 *appData.gateway != NULLCHAR) {
1344 if (appData.debugMode) {
1345 fprintf(debugFP, ">ICS: ");
1346 show_bytes(debugFP, message, count);
1347 fprintf(debugFP, "\n");
1349 return OutputToProcess(pr, message, count, outError);
1352 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1359 if (appData.debugMode) {
1360 fprintf(debugFP, ">ICS: ");
1361 show_bytes(debugFP, buf, newcount);
1362 fprintf(debugFP, "\n");
1364 outcount = OutputToProcess(pr, buf, newcount, outError);
1365 if (outcount < newcount) return -1; /* to be sure */
1372 } else if (((unsigned char) *p) == TN_IAC) {
1373 *q++ = (char) TN_IAC;
1380 if (appData.debugMode) {
1381 fprintf(debugFP, ">ICS: ");
1382 show_bytes(debugFP, buf, newcount);
1383 fprintf(debugFP, "\n");
1385 outcount = OutputToProcess(pr, buf, newcount, outError);
1386 if (outcount < newcount) return -1; /* to be sure */
1391 read_from_player(isr, closure, message, count, error)
1398 int outError, outCount;
1399 static int gotEof = 0;
1401 /* Pass data read from player on to ICS */
1404 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1405 if (outCount < count) {
1406 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1408 } else if (count < 0) {
1409 RemoveInputSource(isr);
1410 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1411 } else if (gotEof++ > 0) {
1412 RemoveInputSource(isr);
1413 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1419 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1420 SendToICS("date\n");
1421 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1424 /* added routine for printf style output to ics */
1425 void ics_printf(char *format, ...)
1427 char buffer[MSG_SIZ];
1430 va_start(args, format);
1431 vsnprintf(buffer, sizeof(buffer), format, args);
1432 buffer[sizeof(buffer)-1] = '\0';
1441 int count, outCount, outError;
1443 if (icsPR == NULL) return;
1446 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1447 if (outCount < count) {
1448 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1452 /* This is used for sending logon scripts to the ICS. Sending
1453 without a delay causes problems when using timestamp on ICC
1454 (at least on my machine). */
1456 SendToICSDelayed(s,msdelay)
1460 int count, outCount, outError;
1462 if (icsPR == NULL) return;
1465 if (appData.debugMode) {
1466 fprintf(debugFP, ">ICS: ");
1467 show_bytes(debugFP, s, count);
1468 fprintf(debugFP, "\n");
1470 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1472 if (outCount < count) {
1473 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1478 /* Remove all highlighting escape sequences in s
1479 Also deletes any suffix starting with '('
1482 StripHighlightAndTitle(s)
1485 static char retbuf[MSG_SIZ];
1488 while (*s != NULLCHAR) {
1489 while (*s == '\033') {
1490 while (*s != NULLCHAR && !isalpha(*s)) s++;
1491 if (*s != NULLCHAR) s++;
1493 while (*s != NULLCHAR && *s != '\033') {
1494 if (*s == '(' || *s == '[') {
1505 /* Remove all highlighting escape sequences in s */
1510 static char retbuf[MSG_SIZ];
1513 while (*s != NULLCHAR) {
1514 while (*s == '\033') {
1515 while (*s != NULLCHAR && !isalpha(*s)) s++;
1516 if (*s != NULLCHAR) s++;
1518 while (*s != NULLCHAR && *s != '\033') {
1526 char *variantNames[] = VARIANT_NAMES;
1531 return variantNames[v];
1535 /* Identify a variant from the strings the chess servers use or the
1536 PGN Variant tag names we use. */
1543 VariantClass v = VariantNormal;
1544 int i, found = FALSE;
1549 /* [HGM] skip over optional board-size prefixes */
1550 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1551 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1552 while( *e++ != '_');
1555 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1559 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1560 if (StrCaseStr(e, variantNames[i])) {
1561 v = (VariantClass) i;
1568 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1569 || StrCaseStr(e, "wild/fr")
1570 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1571 v = VariantFischeRandom;
1572 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1573 (i = 1, p = StrCaseStr(e, "w"))) {
1575 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
1582 case 0: /* FICS only, actually */
1584 /* Castling legal even if K starts on d-file */
1585 v = VariantWildCastle;
1590 /* Castling illegal even if K & R happen to start in
1591 normal positions. */
1592 v = VariantNoCastle;
1605 /* Castling legal iff K & R start in normal positions */
1611 /* Special wilds for position setup; unclear what to do here */
1612 v = VariantLoadable;
1615 /* Bizarre ICC game */
1616 v = VariantTwoKings;
1619 v = VariantKriegspiel;
1625 v = VariantFischeRandom;
1628 v = VariantCrazyhouse;
1631 v = VariantBughouse;
1637 /* Not quite the same as FICS suicide! */
1638 v = VariantGiveaway;
1644 v = VariantShatranj;
1647 /* Temporary names for future ICC types. The name *will* change in
1648 the next xboard/WinBoard release after ICC defines it. */
1686 v = VariantCapablanca;
1689 v = VariantKnightmate;
1695 v = VariantCylinder;
1701 v = VariantCapaRandom;
1704 v = VariantBerolina;
1716 /* Found "wild" or "w" in the string but no number;
1717 must assume it's normal chess. */
1721 sprintf(buf, _("Unknown wild type %d"), wnum);
1722 DisplayError(buf, 0);
1728 if (appData.debugMode) {
1729 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
1730 e, wnum, VariantName(v));
1735 static int leftover_start = 0, leftover_len = 0;
1736 char star_match[STAR_MATCH_N][MSG_SIZ];
1738 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
1739 advance *index beyond it, and set leftover_start to the new value of
1740 *index; else return FALSE. If pattern contains the character '*', it
1741 matches any sequence of characters not containing '\r', '\n', or the
1742 character following the '*' (if any), and the matched sequence(s) are
1743 copied into star_match.
1746 looking_at(buf, index, pattern)
1751 char *bufp = &buf[*index], *patternp = pattern;
1753 char *matchp = star_match[0];
1756 if (*patternp == NULLCHAR) {
1757 *index = leftover_start = bufp - buf;
1761 if (*bufp == NULLCHAR) return FALSE;
1762 if (*patternp == '*') {
1763 if (*bufp == *(patternp + 1)) {
1765 matchp = star_match[++star_count];
1769 } else if (*bufp == '\n' || *bufp == '\r') {
1771 if (*patternp == NULLCHAR)
1776 *matchp++ = *bufp++;
1780 if (*patternp != *bufp) return FALSE;
1787 SendToPlayer(data, length)
1791 int error, outCount;
1792 outCount = OutputToProcess(NoProc, data, length, &error);
1793 if (outCount < length) {
1794 DisplayFatalError(_("Error writing to display"), error, 1);
1799 PackHolding(packed, holding)
1811 switch (runlength) {
1822 sprintf(q, "%d", runlength);
1834 /* Telnet protocol requests from the front end */
1836 TelnetRequest(ddww, option)
1837 unsigned char ddww, option;
1839 unsigned char msg[3];
1840 int outCount, outError;
1842 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
1844 if (appData.debugMode) {
1845 char buf1[8], buf2[8], *ddwwStr, *optionStr;
1861 sprintf(buf1, "%d", ddww);
1870 sprintf(buf2, "%d", option);
1873 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
1878 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
1880 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1887 if (!appData.icsActive) return;
1888 TelnetRequest(TN_DO, TN_ECHO);
1894 if (!appData.icsActive) return;
1895 TelnetRequest(TN_DONT, TN_ECHO);
1899 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
1901 /* put the holdings sent to us by the server on the board holdings area */
1902 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
1906 if(gameInfo.holdingsWidth < 2) return;
1908 if( (int)lowestPiece >= BlackPawn ) {
1911 holdingsStartRow = BOARD_HEIGHT-1;
1914 holdingsColumn = BOARD_WIDTH-1;
1915 countsColumn = BOARD_WIDTH-2;
1916 holdingsStartRow = 0;
1920 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
1921 board[i][holdingsColumn] = EmptySquare;
1922 board[i][countsColumn] = (ChessSquare) 0;
1924 while( (p=*holdings++) != NULLCHAR ) {
1925 piece = CharToPiece( ToUpper(p) );
1926 if(piece == EmptySquare) continue;
1927 /*j = (int) piece - (int) WhitePawn;*/
1928 j = PieceToNumber(piece);
1929 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
1930 if(j < 0) continue; /* should not happen */
1931 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
1932 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
1933 board[holdingsStartRow+j*direction][countsColumn]++;
1940 VariantSwitch(Board board, VariantClass newVariant)
1942 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
1944 startedFromPositionFile = FALSE;
1945 if(gameInfo.variant == newVariant) return;
1947 /* [HGM] This routine is called each time an assignment is made to
1948 * gameInfo.variant during a game, to make sure the board sizes
1949 * are set to match the new variant. If that means adding or deleting
1950 * holdings, we shift the playing board accordingly
1951 * This kludge is needed because in ICS observe mode, we get boards
1952 * of an ongoing game without knowing the variant, and learn about the
1953 * latter only later. This can be because of the move list we requested,
1954 * in which case the game history is refilled from the beginning anyway,
1955 * but also when receiving holdings of a crazyhouse game. In the latter
1956 * case we want to add those holdings to the already received position.
1959 if (appData.debugMode) {
1960 fprintf(debugFP, "Switch board from %s to %s\n",
1961 VariantName(gameInfo.variant), VariantName(newVariant));
1962 setbuf(debugFP, NULL);
1964 shuffleOpenings = 0; /* [HGM] shuffle */
1965 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
1969 newWidth = 9; newHeight = 9;
1970 gameInfo.holdingsSize = 7;
1971 case VariantBughouse:
1972 case VariantCrazyhouse:
1973 newHoldingsWidth = 2; break;
1977 newHoldingsWidth = 2;
1978 gameInfo.holdingsSize = 8;
1981 case VariantCapablanca:
1982 case VariantCapaRandom:
1985 newHoldingsWidth = gameInfo.holdingsSize = 0;
1988 if(newWidth != gameInfo.boardWidth ||
1989 newHeight != gameInfo.boardHeight ||
1990 newHoldingsWidth != gameInfo.holdingsWidth ) {
1992 /* shift position to new playing area, if needed */
1993 if(newHoldingsWidth > gameInfo.holdingsWidth) {
1994 for(i=0; i<BOARD_HEIGHT; i++)
1995 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
1996 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
1998 for(i=0; i<newHeight; i++) {
1999 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2000 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2002 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2003 for(i=0; i<BOARD_HEIGHT; i++)
2004 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2005 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2008 gameInfo.boardWidth = newWidth;
2009 gameInfo.boardHeight = newHeight;
2010 gameInfo.holdingsWidth = newHoldingsWidth;
2011 gameInfo.variant = newVariant;
2012 InitDrawingSizes(-2, 0);
2013 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2014 } else { gameInfo.variant = newVariant; InitPosition(FALSE); }
2016 DrawPosition(TRUE, boards[currentMove]);
2019 static int loggedOn = FALSE;
2021 /*-- Game start info cache: --*/
2023 char gs_kind[MSG_SIZ];
2024 static char player1Name[128] = "";
2025 static char player2Name[128] = "";
2026 static int player1Rating = -1;
2027 static int player2Rating = -1;
2028 /*----------------------------*/
2030 ColorClass curColor = ColorNormal;
2031 int suppressKibitz = 0;
2034 read_from_ics(isr, closure, data, count, error)
2041 #define BUF_SIZE 8192
2042 #define STARTED_NONE 0
2043 #define STARTED_MOVES 1
2044 #define STARTED_BOARD 2
2045 #define STARTED_OBSERVE 3
2046 #define STARTED_HOLDINGS 4
2047 #define STARTED_CHATTER 5
2048 #define STARTED_COMMENT 6
2049 #define STARTED_MOVES_NOHIDE 7
2051 static int started = STARTED_NONE;
2052 static char parse[20000];
2053 static int parse_pos = 0;
2054 static char buf[BUF_SIZE + 1];
2055 static int firstTime = TRUE, intfSet = FALSE;
2056 static ColorClass prevColor = ColorNormal;
2057 static int savingComment = FALSE;
2063 int backup; /* [DM] For zippy color lines */
2065 char talker[MSG_SIZ]; // [HGM] chat
2068 if (appData.debugMode) {
2070 fprintf(debugFP, "<ICS: ");
2071 show_bytes(debugFP, data, count);
2072 fprintf(debugFP, "\n");
2076 if (appData.debugMode) { int f = forwardMostMove;
2077 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2078 castlingRights[f][0],castlingRights[f][1],castlingRights[f][2],castlingRights[f][3],castlingRights[f][4],castlingRights[f][5]);
2081 /* If last read ended with a partial line that we couldn't parse,
2082 prepend it to the new read and try again. */
2083 if (leftover_len > 0) {
2084 for (i=0; i<leftover_len; i++)
2085 buf[i] = buf[leftover_start + i];
2088 /* Copy in new characters, removing nulls and \r's */
2089 buf_len = leftover_len;
2090 for (i = 0; i < count; i++) {
2091 if (data[i] != NULLCHAR && data[i] != '\r')
2092 buf[buf_len++] = data[i];
2093 if(!appData.noJoin && buf_len >= 5 && buf[buf_len-5]=='\n' && buf[buf_len-4]=='\\' &&
2094 buf[buf_len-3]==' ' && buf[buf_len-2]==' ' && buf[buf_len-1]==' ') {
2095 buf_len -= 5; // [HGM] ICS: join continuation line of Lasker 2.2.3 server with previous
2096 if(buf_len == 0 || buf[buf_len-1] != ' ')
2097 buf[buf_len++] = ' '; // add space (assumes ICS does not break lines within word)
2101 buf[buf_len] = NULLCHAR;
2102 next_out = leftover_len;
2106 while (i < buf_len) {
2107 /* Deal with part of the TELNET option negotiation
2108 protocol. We refuse to do anything beyond the
2109 defaults, except that we allow the WILL ECHO option,
2110 which ICS uses to turn off password echoing when we are
2111 directly connected to it. We reject this option
2112 if localLineEditing mode is on (always on in xboard)
2113 and we are talking to port 23, which might be a real
2114 telnet server that will try to keep WILL ECHO on permanently.
2116 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2117 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2118 unsigned char option;
2120 switch ((unsigned char) buf[++i]) {
2122 if (appData.debugMode)
2123 fprintf(debugFP, "\n<WILL ");
2124 switch (option = (unsigned char) buf[++i]) {
2126 if (appData.debugMode)
2127 fprintf(debugFP, "ECHO ");
2128 /* Reply only if this is a change, according
2129 to the protocol rules. */
2130 if (remoteEchoOption) break;
2131 if (appData.localLineEditing &&
2132 atoi(appData.icsPort) == TN_PORT) {
2133 TelnetRequest(TN_DONT, TN_ECHO);
2136 TelnetRequest(TN_DO, TN_ECHO);
2137 remoteEchoOption = TRUE;
2141 if (appData.debugMode)
2142 fprintf(debugFP, "%d ", option);
2143 /* Whatever this is, we don't want it. */
2144 TelnetRequest(TN_DONT, option);
2149 if (appData.debugMode)
2150 fprintf(debugFP, "\n<WONT ");
2151 switch (option = (unsigned char) buf[++i]) {
2153 if (appData.debugMode)
2154 fprintf(debugFP, "ECHO ");
2155 /* Reply only if this is a change, according
2156 to the protocol rules. */
2157 if (!remoteEchoOption) break;
2159 TelnetRequest(TN_DONT, TN_ECHO);
2160 remoteEchoOption = FALSE;
2163 if (appData.debugMode)
2164 fprintf(debugFP, "%d ", (unsigned char) option);
2165 /* Whatever this is, it must already be turned
2166 off, because we never agree to turn on
2167 anything non-default, so according to the
2168 protocol rules, we don't reply. */
2173 if (appData.debugMode)
2174 fprintf(debugFP, "\n<DO ");
2175 switch (option = (unsigned char) buf[++i]) {
2177 /* Whatever this is, we refuse to do it. */
2178 if (appData.debugMode)
2179 fprintf(debugFP, "%d ", option);
2180 TelnetRequest(TN_WONT, option);
2185 if (appData.debugMode)
2186 fprintf(debugFP, "\n<DONT ");
2187 switch (option = (unsigned char) buf[++i]) {
2189 if (appData.debugMode)
2190 fprintf(debugFP, "%d ", option);
2191 /* Whatever this is, we are already not doing
2192 it, because we never agree to do anything
2193 non-default, so according to the protocol
2194 rules, we don't reply. */
2199 if (appData.debugMode)
2200 fprintf(debugFP, "\n<IAC ");
2201 /* Doubled IAC; pass it through */
2205 if (appData.debugMode)
2206 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2207 /* Drop all other telnet commands on the floor */
2210 if (oldi > next_out)
2211 SendToPlayer(&buf[next_out], oldi - next_out);
2217 /* OK, this at least will *usually* work */
2218 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2222 if (loggedOn && !intfSet) {
2223 if (ics_type == ICS_ICC) {
2225 "/set-quietly interface %s\n/set-quietly style 12\n",
2227 if (!appData.noJoin)
2228 strcat(str, "/set-quietly wrap 0\n");
2229 } else if (ics_type == ICS_CHESSNET) {
2230 sprintf(str, "/style 12\n");
2232 strcpy(str, "alias $ @\n$set interface ");
2233 strcat(str, programVersion);
2234 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2236 strcat(str, "$iset nohighlight 1\n");
2238 if (!appData.noJoin)
2239 strcat(str, "$iset nowrap 1\n");
2240 strcat(str, "$iset lock 1\n$style 12\n");
2243 NotifyFrontendLogin();
2247 if (started == STARTED_COMMENT) {
2248 /* Accumulate characters in comment */
2249 parse[parse_pos++] = buf[i];
2250 if (buf[i] == '\n') {
2251 parse[parse_pos] = NULLCHAR;
2252 if(chattingPartner>=0) {
2254 sprintf(mess, "%s%s", talker, parse);
2255 OutputChatMessage(chattingPartner, mess);
2256 chattingPartner = -1;
2258 if(!suppressKibitz) // [HGM] kibitz
2259 AppendComment(forwardMostMove, StripHighlight(parse));
2260 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2261 int nrDigit = 0, nrAlph = 0, i;
2262 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2263 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2264 parse[parse_pos] = NULLCHAR;
2265 // try to be smart: if it does not look like search info, it should go to
2266 // ICS interaction window after all, not to engine-output window.
2267 for(i=0; i<parse_pos; i++) { // count letters and digits
2268 nrDigit += (parse[i] >= '0' && parse[i] <= '9');
2269 nrAlph += (parse[i] >= 'a' && parse[i] <= 'z');
2270 nrAlph += (parse[i] >= 'A' && parse[i] <= 'Z');
2272 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2273 int depth=0; float score;
2274 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2275 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2276 pvInfoList[forwardMostMove-1].depth = depth;
2277 pvInfoList[forwardMostMove-1].score = 100*score;
2279 OutputKibitz(suppressKibitz, parse);
2282 sprintf(tmp, _("your opponent kibitzes: %s"), parse);
2283 SendToPlayer(tmp, strlen(tmp));
2286 started = STARTED_NONE;
2288 /* Don't match patterns against characters in chatter */
2293 if (started == STARTED_CHATTER) {
2294 if (buf[i] != '\n') {
2295 /* Don't match patterns against characters in chatter */
2299 started = STARTED_NONE;
2302 /* Kludge to deal with rcmd protocol */
2303 if (firstTime && looking_at(buf, &i, "\001*")) {
2304 DisplayFatalError(&buf[1], 0, 1);
2310 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2313 if (appData.debugMode)
2314 fprintf(debugFP, "ics_type %d\n", ics_type);
2317 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2318 ics_type = ICS_FICS;
2320 if (appData.debugMode)
2321 fprintf(debugFP, "ics_type %d\n", ics_type);
2324 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
2325 ics_type = ICS_CHESSNET;
2327 if (appData.debugMode)
2328 fprintf(debugFP, "ics_type %d\n", ics_type);
2333 (looking_at(buf, &i, "\"*\" is *a registered name") ||
2334 looking_at(buf, &i, "Logging you in as \"*\"") ||
2335 looking_at(buf, &i, "will be \"*\""))) {
2336 strcpy(ics_handle, star_match[0]);
2340 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
2342 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
2343 DisplayIcsInteractionTitle(buf);
2344 have_set_title = TRUE;
2347 /* skip finger notes */
2348 if (started == STARTED_NONE &&
2349 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
2350 (buf[i] == '1' && buf[i+1] == '0')) &&
2351 buf[i+2] == ':' && buf[i+3] == ' ') {
2352 started = STARTED_CHATTER;
2357 /* skip formula vars */
2358 if (started == STARTED_NONE &&
2359 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
2360 started = STARTED_CHATTER;
2366 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
2367 if (appData.autoKibitz && started == STARTED_NONE &&
2368 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
2369 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
2370 if(looking_at(buf, &i, "* kibitzes: ") &&
2371 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
2372 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
2373 suppressKibitz = TRUE;
2374 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
2375 && (gameMode == IcsPlayingWhite)) ||
2376 (StrStr(star_match[0], gameInfo.black) == star_match[0]
2377 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
2378 started = STARTED_CHATTER; // own kibitz we simply discard
2380 started = STARTED_COMMENT; // make sure it will be collected in parse[]
2381 parse_pos = 0; parse[0] = NULLCHAR;
2382 savingComment = TRUE;
2383 suppressKibitz = gameMode != IcsObserving ? 2 :
2384 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
2388 if(looking_at(buf, &i, "kibitzed to")) { // suppress the acknowledgements of our own autoKibitz
2389 started = STARTED_CHATTER;
2390 suppressKibitz = TRUE;
2392 } // [HGM] kibitz: end of patch
2394 //if(appData.debugMode) fprintf(debugFP, "hunt for tell, buf = %s\n", buf+i);
2396 // [HGM] chat: intercept tells by users for which we have an open chat window
2398 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
2399 looking_at(buf, &i, "* whispers:") ||
2400 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
2401 looking_at(buf, &i, "*(*)(*):") && sscanf(star_match[2], "%d", &channel) == 1 )) {
2403 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
2404 chattingPartner = -1;
2406 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
2407 for(p=0; p<MAX_CHAT; p++) {
2408 if(channel == atoi(chatPartner[p])) {
2409 talker[0] = '['; strcat(talker, "]");
2410 chattingPartner = p; break;
2413 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
2414 for(p=0; p<MAX_CHAT; p++) {
2415 if(!strcmp("WHISPER", chatPartner[p])) {
2416 talker[0] = '['; strcat(talker, "]");
2417 chattingPartner = p; break;
2420 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
2421 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
2423 chattingPartner = p; break;
2425 if(chattingPartner<0) i = oldi; else {
2426 started = STARTED_COMMENT;
2427 parse_pos = 0; parse[0] = NULLCHAR;
2428 savingComment = TRUE;
2429 suppressKibitz = TRUE;
2431 } // [HGM] chat: end of patch
2433 if (appData.zippyTalk || appData.zippyPlay) {
2434 /* [DM] Backup address for color zippy lines */
2438 if (loggedOn == TRUE)
2439 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
2440 (appData.zippyPlay && ZippyMatch(buf, &backup)));
2442 if (ZippyControl(buf, &i) ||
2443 ZippyConverse(buf, &i) ||
2444 (appData.zippyPlay && ZippyMatch(buf, &i))) {
2446 if (!appData.colorize) continue;
2450 } // [DM] 'else { ' deleted
2452 /* Regular tells and says */
2453 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
2454 looking_at(buf, &i, "* (your partner) tells you: ") ||
2455 looking_at(buf, &i, "* says: ") ||
2456 /* Don't color "message" or "messages" output */
2457 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
2458 looking_at(buf, &i, "*. * at *:*: ") ||
2459 looking_at(buf, &i, "--* (*:*): ") ||
2460 /* Message notifications (same color as tells) */
2461 looking_at(buf, &i, "* has left a message ") ||
2462 looking_at(buf, &i, "* just sent you a message:\n") ||
2463 /* Whispers and kibitzes */
2464 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
2465 looking_at(buf, &i, "* kibitzes: ") ||
2467 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
2469 if (tkind == 1 && strchr(star_match[0], ':')) {
2470 /* Avoid "tells you:" spoofs in channels */
2473 if (star_match[0][0] == NULLCHAR ||
2474 strchr(star_match[0], ' ') ||
2475 (tkind == 3 && strchr(star_match[1], ' '))) {
2476 /* Reject bogus matches */
2479 if (appData.colorize) {
2480 if (oldi > next_out) {
2481 SendToPlayer(&buf[next_out], oldi - next_out);
2486 Colorize(ColorTell, FALSE);
2487 curColor = ColorTell;
2490 Colorize(ColorKibitz, FALSE);
2491 curColor = ColorKibitz;
2494 p = strrchr(star_match[1], '(');
2501 Colorize(ColorChannel1, FALSE);
2502 curColor = ColorChannel1;
2504 Colorize(ColorChannel, FALSE);
2505 curColor = ColorChannel;
2509 curColor = ColorNormal;
2513 if (started == STARTED_NONE && appData.autoComment &&
2514 (gameMode == IcsObserving ||
2515 gameMode == IcsPlayingWhite ||
2516 gameMode == IcsPlayingBlack)) {
2517 parse_pos = i - oldi;
2518 memcpy(parse, &buf[oldi], parse_pos);
2519 parse[parse_pos] = NULLCHAR;
2520 started = STARTED_COMMENT;
2521 savingComment = TRUE;
2523 started = STARTED_CHATTER;
2524 savingComment = FALSE;
2531 if (looking_at(buf, &i, "* s-shouts: ") ||
2532 looking_at(buf, &i, "* c-shouts: ")) {
2533 if (appData.colorize) {
2534 if (oldi > next_out) {
2535 SendToPlayer(&buf[next_out], oldi - next_out);
2538 Colorize(ColorSShout, FALSE);
2539 curColor = ColorSShout;
2542 started = STARTED_CHATTER;
2546 if (looking_at(buf, &i, "--->")) {
2551 if (looking_at(buf, &i, "* shouts: ") ||
2552 looking_at(buf, &i, "--> ")) {
2553 if (appData.colorize) {
2554 if (oldi > next_out) {
2555 SendToPlayer(&buf[next_out], oldi - next_out);
2558 Colorize(ColorShout, FALSE);
2559 curColor = ColorShout;
2562 started = STARTED_CHATTER;
2566 if (looking_at( buf, &i, "Challenge:")) {
2567 if (appData.colorize) {
2568 if (oldi > next_out) {
2569 SendToPlayer(&buf[next_out], oldi - next_out);
2572 Colorize(ColorChallenge, FALSE);
2573 curColor = ColorChallenge;
2579 if (looking_at(buf, &i, "* offers you") ||
2580 looking_at(buf, &i, "* offers to be") ||
2581 looking_at(buf, &i, "* would like to") ||
2582 looking_at(buf, &i, "* requests to") ||
2583 looking_at(buf, &i, "Your opponent offers") ||
2584 looking_at(buf, &i, "Your opponent requests")) {
2586 if (appData.colorize) {
2587 if (oldi > next_out) {
2588 SendToPlayer(&buf[next_out], oldi - next_out);
2591 Colorize(ColorRequest, FALSE);
2592 curColor = ColorRequest;
2597 if (looking_at(buf, &i, "* (*) seeking")) {
2598 if (appData.colorize) {
2599 if (oldi > next_out) {
2600 SendToPlayer(&buf[next_out], oldi - next_out);
2603 Colorize(ColorSeek, FALSE);
2604 curColor = ColorSeek;
2609 if (looking_at(buf, &i, "\\ ")) {
2610 if (prevColor != ColorNormal) {
2611 if (oldi > next_out) {
2612 SendToPlayer(&buf[next_out], oldi - next_out);
2615 Colorize(prevColor, TRUE);
2616 curColor = prevColor;
2618 if (savingComment) {
2619 parse_pos = i - oldi;
2620 memcpy(parse, &buf[oldi], parse_pos);
2621 parse[parse_pos] = NULLCHAR;
2622 started = STARTED_COMMENT;
2624 started = STARTED_CHATTER;
2629 if (looking_at(buf, &i, "Black Strength :") ||
2630 looking_at(buf, &i, "<<< style 10 board >>>") ||
2631 looking_at(buf, &i, "<10>") ||
2632 looking_at(buf, &i, "#@#")) {
2633 /* Wrong board style */
2635 SendToICS(ics_prefix);
2636 SendToICS("set style 12\n");
2637 SendToICS(ics_prefix);
2638 SendToICS("refresh\n");
2642 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
2644 have_sent_ICS_logon = 1;
2648 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
2649 (looking_at(buf, &i, "\n<12> ") ||
2650 looking_at(buf, &i, "<12> "))) {
2652 if (oldi > next_out) {
2653 SendToPlayer(&buf[next_out], oldi - next_out);
2656 started = STARTED_BOARD;
2661 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
2662 looking_at(buf, &i, "<b1> ")) {
2663 if (oldi > next_out) {
2664 SendToPlayer(&buf[next_out], oldi - next_out);
2667 started = STARTED_HOLDINGS;
2672 if (looking_at(buf, &i, "* *vs. * *--- *")) {
2674 /* Header for a move list -- first line */
2676 switch (ics_getting_history) {
2680 case BeginningOfGame:
2681 /* User typed "moves" or "oldmoves" while we
2682 were idle. Pretend we asked for these
2683 moves and soak them up so user can step
2684 through them and/or save them.
2687 gameMode = IcsObserving;
2690 ics_getting_history = H_GOT_UNREQ_HEADER;
2692 case EditGame: /*?*/
2693 case EditPosition: /*?*/
2694 /* Should above feature work in these modes too? */
2695 /* For now it doesn't */
2696 ics_getting_history = H_GOT_UNWANTED_HEADER;
2699 ics_getting_history = H_GOT_UNWANTED_HEADER;
2704 /* Is this the right one? */
2705 if (gameInfo.white && gameInfo.black &&
2706 strcmp(gameInfo.white, star_match[0]) == 0 &&
2707 strcmp(gameInfo.black, star_match[2]) == 0) {
2709 ics_getting_history = H_GOT_REQ_HEADER;
2712 case H_GOT_REQ_HEADER:
2713 case H_GOT_UNREQ_HEADER:
2714 case H_GOT_UNWANTED_HEADER:
2715 case H_GETTING_MOVES:
2716 /* Should not happen */
2717 DisplayError(_("Error gathering move list: two headers"), 0);
2718 ics_getting_history = H_FALSE;
2722 /* Save player ratings into gameInfo if needed */
2723 if ((ics_getting_history == H_GOT_REQ_HEADER ||
2724 ics_getting_history == H_GOT_UNREQ_HEADER) &&
2725 (gameInfo.whiteRating == -1 ||
2726 gameInfo.blackRating == -1)) {
2728 gameInfo.whiteRating = string_to_rating(star_match[1]);
2729 gameInfo.blackRating = string_to_rating(star_match[3]);
2730 if (appData.debugMode)
2731 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
2732 gameInfo.whiteRating, gameInfo.blackRating);
2737 if (looking_at(buf, &i,
2738 "* * match, initial time: * minute*, increment: * second")) {
2739 /* Header for a move list -- second line */
2740 /* Initial board will follow if this is a wild game */
2741 if (gameInfo.event != NULL) free(gameInfo.event);
2742 sprintf(str, "ICS %s %s match", star_match[0], star_match[1]);
2743 gameInfo.event = StrSave(str);
2744 /* [HGM] we switched variant. Translate boards if needed. */
2745 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
2749 if (looking_at(buf, &i, "Move ")) {
2750 /* Beginning of a move list */
2751 switch (ics_getting_history) {
2753 /* Normally should not happen */
2754 /* Maybe user hit reset while we were parsing */
2757 /* Happens if we are ignoring a move list that is not
2758 * the one we just requested. Common if the user
2759 * tries to observe two games without turning off
2762 case H_GETTING_MOVES:
2763 /* Should not happen */
2764 DisplayError(_("Error gathering move list: nested"), 0);
2765 ics_getting_history = H_FALSE;
2767 case H_GOT_REQ_HEADER:
2768 ics_getting_history = H_GETTING_MOVES;
2769 started = STARTED_MOVES;
2771 if (oldi > next_out) {
2772 SendToPlayer(&buf[next_out], oldi - next_out);
2775 case H_GOT_UNREQ_HEADER:
2776 ics_getting_history = H_GETTING_MOVES;
2777 started = STARTED_MOVES_NOHIDE;
2780 case H_GOT_UNWANTED_HEADER:
2781 ics_getting_history = H_FALSE;
2787 if (looking_at(buf, &i, "% ") ||
2788 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
2789 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
2790 savingComment = FALSE;
2793 case STARTED_MOVES_NOHIDE:
2794 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
2795 parse[parse_pos + i - oldi] = NULLCHAR;
2796 ParseGameHistory(parse);
2798 if (appData.zippyPlay && first.initDone) {
2799 FeedMovesToProgram(&first, forwardMostMove);
2800 if (gameMode == IcsPlayingWhite) {
2801 if (WhiteOnMove(forwardMostMove)) {
2802 if (first.sendTime) {
2803 if (first.useColors) {
2804 SendToProgram("black\n", &first);
2806 SendTimeRemaining(&first, TRUE);
2808 if (first.useColors) {
2809 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
2811 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
2812 first.maybeThinking = TRUE;
2814 if (first.usePlayother) {
2815 if (first.sendTime) {
2816 SendTimeRemaining(&first, TRUE);
2818 SendToProgram("playother\n", &first);
2824 } else if (gameMode == IcsPlayingBlack) {
2825 if (!WhiteOnMove(forwardMostMove)) {
2826 if (first.sendTime) {
2827 if (first.useColors) {
2828 SendToProgram("white\n", &first);
2830 SendTimeRemaining(&first, FALSE);
2832 if (first.useColors) {
2833 SendToProgram("black\n", &first);
2835 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
2836 first.maybeThinking = TRUE;
2838 if (first.usePlayother) {
2839 if (first.sendTime) {
2840 SendTimeRemaining(&first, FALSE);
2842 SendToProgram("playother\n", &first);
2851 if (gameMode == IcsObserving && ics_gamenum == -1) {
2852 /* Moves came from oldmoves or moves command
2853 while we weren't doing anything else.
2855 currentMove = forwardMostMove;
2856 ClearHighlights();/*!!could figure this out*/
2857 flipView = appData.flipView;
2858 DrawPosition(FALSE, boards[currentMove]);
2859 DisplayBothClocks();
2860 sprintf(str, "%s vs. %s",
2861 gameInfo.white, gameInfo.black);
2865 /* Moves were history of an active game */
2866 if (gameInfo.resultDetails != NULL) {
2867 free(gameInfo.resultDetails);
2868 gameInfo.resultDetails = NULL;
2871 HistorySet(parseList, backwardMostMove,
2872 forwardMostMove, currentMove-1);
2873 DisplayMove(currentMove - 1);
2874 if (started == STARTED_MOVES) next_out = i;
2875 started = STARTED_NONE;
2876 ics_getting_history = H_FALSE;
2879 case STARTED_OBSERVE:
2880 started = STARTED_NONE;
2881 SendToICS(ics_prefix);
2882 SendToICS("refresh\n");
2888 if(bookHit) { // [HGM] book: simulate book reply
2889 static char bookMove[MSG_SIZ]; // a bit generous?
2891 programStats.nodes = programStats.depth = programStats.time =
2892 programStats.score = programStats.got_only_move = 0;
2893 sprintf(programStats.movelist, "%s (xbook)", bookHit);
2895 strcpy(bookMove, "move ");
2896 strcat(bookMove, bookHit);
2897 HandleMachineMove(bookMove, &first);
2902 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
2903 started == STARTED_HOLDINGS ||
2904 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
2905 /* Accumulate characters in move list or board */
2906 parse[parse_pos++] = buf[i];
2909 /* Start of game messages. Mostly we detect start of game
2910 when the first board image arrives. On some versions
2911 of the ICS, though, we need to do a "refresh" after starting
2912 to observe in order to get the current board right away. */
2913 if (looking_at(buf, &i, "Adding game * to observation list")) {
2914 started = STARTED_OBSERVE;
2918 /* Handle auto-observe */
2919 if (appData.autoObserve &&
2920 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
2921 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
2923 /* Choose the player that was highlighted, if any. */
2924 if (star_match[0][0] == '\033' ||
2925 star_match[1][0] != '\033') {
2926 player = star_match[0];
2928 player = star_match[2];
2930 sprintf(str, "%sobserve %s\n",
2931 ics_prefix, StripHighlightAndTitle(player));
2934 /* Save ratings from notify string */
2935 strcpy(player1Name, star_match[0]);
2936 player1Rating = string_to_rating(star_match[1]);
2937 strcpy(player2Name, star_match[2]);
2938 player2Rating = string_to_rating(star_match[3]);
2940 if (appData.debugMode)
2942 "Ratings from 'Game notification:' %s %d, %s %d\n",
2943 player1Name, player1Rating,
2944 player2Name, player2Rating);
2949 /* Deal with automatic examine mode after a game,
2950 and with IcsObserving -> IcsExamining transition */
2951 if (looking_at(buf, &i, "Entering examine mode for game *") ||
2952 looking_at(buf, &i, "has made you an examiner of game *")) {
2954 int gamenum = atoi(star_match[0]);
2955 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
2956 gamenum == ics_gamenum) {
2957 /* We were already playing or observing this game;
2958 no need to refetch history */
2959 gameMode = IcsExamining;
2961 pauseExamForwardMostMove = forwardMostMove;
2962 } else if (currentMove < forwardMostMove) {
2963 ForwardInner(forwardMostMove);
2966 /* I don't think this case really can happen */
2967 SendToICS(ics_prefix);
2968 SendToICS("refresh\n");
2973 /* Error messages */
2974 // if (ics_user_moved) {
2975 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
2976 if (looking_at(buf, &i, "Illegal move") ||
2977 looking_at(buf, &i, "Not a legal move") ||
2978 looking_at(buf, &i, "Your king is in check") ||
2979 looking_at(buf, &i, "It isn't your turn") ||
2980 looking_at(buf, &i, "It is not your move")) {
2982 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
2983 currentMove = --forwardMostMove;
2984 DisplayMove(currentMove - 1); /* before DMError */
2985 DrawPosition(FALSE, boards[currentMove]);
2987 DisplayBothClocks();
2989 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
2995 if (looking_at(buf, &i, "still have time") ||
2996 looking_at(buf, &i, "not out of time") ||
2997 looking_at(buf, &i, "either player is out of time") ||
2998 looking_at(buf, &i, "has timeseal; checking")) {
2999 /* We must have called his flag a little too soon */
3000 whiteFlag = blackFlag = FALSE;
3004 if (looking_at(buf, &i, "added * seconds to") ||
3005 looking_at(buf, &i, "seconds were added to")) {
3006 /* Update the clocks */
3007 SendToICS(ics_prefix);
3008 SendToICS("refresh\n");
3012 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3013 ics_clock_paused = TRUE;
3018 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3019 ics_clock_paused = FALSE;
3024 /* Grab player ratings from the Creating: message.
3025 Note we have to check for the special case when
3026 the ICS inserts things like [white] or [black]. */
3027 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3028 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3030 0 player 1 name (not necessarily white)
3032 2 empty, white, or black (IGNORED)
3033 3 player 2 name (not necessarily black)
3036 The names/ratings are sorted out when the game
3037 actually starts (below).
3039 strcpy(player1Name, StripHighlightAndTitle(star_match[0]));
3040 player1Rating = string_to_rating(star_match[1]);
3041 strcpy(player2Name, StripHighlightAndTitle(star_match[3]));
3042 player2Rating = string_to_rating(star_match[4]);
3044 if (appData.debugMode)
3046 "Ratings from 'Creating:' %s %d, %s %d\n",
3047 player1Name, player1Rating,
3048 player2Name, player2Rating);
3053 /* Improved generic start/end-of-game messages */
3054 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3055 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3056 /* If tkind == 0: */
3057 /* star_match[0] is the game number */
3058 /* [1] is the white player's name */
3059 /* [2] is the black player's name */
3060 /* For end-of-game: */
3061 /* [3] is the reason for the game end */
3062 /* [4] is a PGN end game-token, preceded by " " */
3063 /* For start-of-game: */
3064 /* [3] begins with "Creating" or "Continuing" */
3065 /* [4] is " *" or empty (don't care). */
3066 int gamenum = atoi(star_match[0]);
3067 char *whitename, *blackname, *why, *endtoken;
3068 ChessMove endtype = (ChessMove) 0;
3071 whitename = star_match[1];
3072 blackname = star_match[2];
3073 why = star_match[3];
3074 endtoken = star_match[4];
3076 whitename = star_match[1];
3077 blackname = star_match[3];
3078 why = star_match[5];
3079 endtoken = star_match[6];
3082 /* Game start messages */
3083 if (strncmp(why, "Creating ", 9) == 0 ||
3084 strncmp(why, "Continuing ", 11) == 0) {
3085 gs_gamenum = gamenum;
3086 strcpy(gs_kind, strchr(why, ' ') + 1);
3088 if (appData.zippyPlay) {
3089 ZippyGameStart(whitename, blackname);
3095 /* Game end messages */
3096 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3097 ics_gamenum != gamenum) {
3100 while (endtoken[0] == ' ') endtoken++;
3101 switch (endtoken[0]) {
3104 endtype = GameUnfinished;
3107 endtype = BlackWins;
3110 if (endtoken[1] == '/')
3111 endtype = GameIsDrawn;
3113 endtype = WhiteWins;
3116 GameEnds(endtype, why, GE_ICS);
3118 if (appData.zippyPlay && first.initDone) {
3119 ZippyGameEnd(endtype, why);
3120 if (first.pr == NULL) {
3121 /* Start the next process early so that we'll
3122 be ready for the next challenge */
3123 StartChessProgram(&first);
3125 /* Send "new" early, in case this command takes
3126 a long time to finish, so that we'll be ready
3127 for the next challenge. */
3128 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3135 if (looking_at(buf, &i, "Removing game * from observation") ||
3136 looking_at(buf, &i, "no longer observing game *") ||
3137 looking_at(buf, &i, "Game * (*) has no examiners")) {
3138 if (gameMode == IcsObserving &&
3139 atoi(star_match[0]) == ics_gamenum)
3141 /* icsEngineAnalyze */
3142 if (appData.icsEngineAnalyze) {
3149 ics_user_moved = FALSE;
3154 if (looking_at(buf, &i, "no longer examining game *")) {
3155 if (gameMode == IcsExamining &&
3156 atoi(star_match[0]) == ics_gamenum)
3160 ics_user_moved = FALSE;
3165 /* Advance leftover_start past any newlines we find,
3166 so only partial lines can get reparsed */
3167 if (looking_at(buf, &i, "\n")) {
3168 prevColor = curColor;
3169 if (curColor != ColorNormal) {
3170 if (oldi > next_out) {
3171 SendToPlayer(&buf[next_out], oldi - next_out);
3174 Colorize(ColorNormal, FALSE);
3175 curColor = ColorNormal;
3177 if (started == STARTED_BOARD) {
3178 started = STARTED_NONE;
3179 parse[parse_pos] = NULLCHAR;
3180 ParseBoard12(parse);
3183 /* Send premove here */
3184 if (appData.premove) {
3186 if (currentMove == 0 &&
3187 gameMode == IcsPlayingWhite &&
3188 appData.premoveWhite) {
3189 sprintf(str, "%s%s\n", ics_prefix,
3190 appData.premoveWhiteText);
3191 if (appData.debugMode)
3192 fprintf(debugFP, "Sending premove:\n");
3194 } else if (currentMove == 1 &&
3195 gameMode == IcsPlayingBlack &&
3196 appData.premoveBlack) {
3197 sprintf(str, "%s%s\n", ics_prefix,
3198 appData.premoveBlackText);
3199 if (appData.debugMode)
3200 fprintf(debugFP, "Sending premove:\n");
3202 } else if (gotPremove) {
3204 ClearPremoveHighlights();
3205 if (appData.debugMode)
3206 fprintf(debugFP, "Sending premove:\n");
3207 UserMoveEvent(premoveFromX, premoveFromY,
3208 premoveToX, premoveToY,
3213 /* Usually suppress following prompt */
3214 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3215 if (looking_at(buf, &i, "*% ")) {
3216 savingComment = FALSE;
3220 } else if (started == STARTED_HOLDINGS) {
3222 char new_piece[MSG_SIZ];
3223 started = STARTED_NONE;
3224 parse[parse_pos] = NULLCHAR;
3225 if (appData.debugMode)
3226 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
3227 parse, currentMove);
3228 if (sscanf(parse, " game %d", &gamenum) == 1 &&
3229 gamenum == ics_gamenum) {
3230 if (gameInfo.variant == VariantNormal) {
3231 /* [HGM] We seem to switch variant during a game!
3232 * Presumably no holdings were displayed, so we have
3233 * to move the position two files to the right to
3234 * create room for them!
3236 VariantSwitch(boards[currentMove], VariantCrazyhouse); /* temp guess */
3237 /* Get a move list just to see the header, which
3238 will tell us whether this is really bug or zh */
3239 if (ics_getting_history == H_FALSE) {
3240 ics_getting_history = H_REQUESTED;
3241 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3245 new_piece[0] = NULLCHAR;
3246 sscanf(parse, "game %d white [%s black [%s <- %s",
3247 &gamenum, white_holding, black_holding,
3249 white_holding[strlen(white_holding)-1] = NULLCHAR;
3250 black_holding[strlen(black_holding)-1] = NULLCHAR;
3251 /* [HGM] copy holdings to board holdings area */
3252 CopyHoldings(boards[currentMove], white_holding, WhitePawn);
3253 CopyHoldings(boards[currentMove], black_holding, BlackPawn);
3255 if (appData.zippyPlay && first.initDone) {
3256 ZippyHoldings(white_holding, black_holding,
3260 if (tinyLayout || smallLayout) {
3261 char wh[16], bh[16];
3262 PackHolding(wh, white_holding);
3263 PackHolding(bh, black_holding);
3264 sprintf(str, "[%s-%s] %s-%s", wh, bh,
3265 gameInfo.white, gameInfo.black);
3267 sprintf(str, "%s [%s] vs. %s [%s]",
3268 gameInfo.white, white_holding,
3269 gameInfo.black, black_holding);
3272 DrawPosition(FALSE, boards[currentMove]);
3275 /* Suppress following prompt */
3276 if (looking_at(buf, &i, "*% ")) {
3277 savingComment = FALSE;
3284 i++; /* skip unparsed character and loop back */
3287 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz suppress printing in ICS interaction window
3288 started != STARTED_HOLDINGS && i > next_out) {
3289 SendToPlayer(&buf[next_out], i - next_out);
3292 suppressKibitz = FALSE; // [HGM] kibitz: has done its duty in if-statement above
3294 leftover_len = buf_len - leftover_start;
3295 /* if buffer ends with something we couldn't parse,
3296 reparse it after appending the next read */
3298 } else if (count == 0) {
3299 RemoveInputSource(isr);
3300 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
3302 DisplayFatalError(_("Error reading from ICS"), error, 1);
3307 /* Board style 12 looks like this:
3309 <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
3311 * The "<12> " is stripped before it gets to this routine. The two
3312 * trailing 0's (flip state and clock ticking) are later addition, and
3313 * some chess servers may not have them, or may have only the first.
3314 * Additional trailing fields may be added in the future.
3317 #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"
3319 #define RELATION_OBSERVING_PLAYED 0
3320 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
3321 #define RELATION_PLAYING_MYMOVE 1
3322 #define RELATION_PLAYING_NOTMYMOVE -1
3323 #define RELATION_EXAMINING 2
3324 #define RELATION_ISOLATED_BOARD -3
3325 #define RELATION_STARTING_POSITION -4 /* FICS only */
3328 ParseBoard12(string)
3331 GameMode newGameMode;
3332 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
3333 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
3334 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
3335 char to_play, board_chars[200];
3336 char move_str[500], str[500], elapsed_time[500];
3337 char black[32], white[32];
3339 int prevMove = currentMove;
3342 int fromX, fromY, toX, toY;
3344 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
3345 char *bookHit = NULL; // [HGM] book
3347 fromX = fromY = toX = toY = -1;
3351 if (appData.debugMode)
3352 fprintf(debugFP, _("Parsing board: %s\n"), string);
3354 move_str[0] = NULLCHAR;
3355 elapsed_time[0] = NULLCHAR;
3356 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
3358 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
3359 if(string[i] == ' ') { ranks++; files = 0; }
3363 for(j = 0; j <i; j++) board_chars[j] = string[j];
3364 board_chars[i] = '\0';
3367 n = sscanf(string, PATTERN, &to_play, &double_push,
3368 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
3369 &gamenum, white, black, &relation, &basetime, &increment,
3370 &white_stren, &black_stren, &white_time, &black_time,
3371 &moveNum, str, elapsed_time, move_str, &ics_flip,
3375 snprintf(str, sizeof(str), _("Failed to parse board string:\n\"%s\""), string);
3376 DisplayError(str, 0);
3380 /* Convert the move number to internal form */
3381 moveNum = (moveNum - 1) * 2;
3382 if (to_play == 'B') moveNum++;
3383 if (moveNum >= MAX_MOVES) {
3384 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
3390 case RELATION_OBSERVING_PLAYED:
3391 case RELATION_OBSERVING_STATIC:
3392 if (gamenum == -1) {
3393 /* Old ICC buglet */
3394 relation = RELATION_OBSERVING_STATIC;
3396 newGameMode = IcsObserving;
3398 case RELATION_PLAYING_MYMOVE:
3399 case RELATION_PLAYING_NOTMYMOVE:
3401 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
3402 IcsPlayingWhite : IcsPlayingBlack;
3404 case RELATION_EXAMINING:
3405 newGameMode = IcsExamining;
3407 case RELATION_ISOLATED_BOARD:
3409 /* Just display this board. If user was doing something else,
3410 we will forget about it until the next board comes. */
3411 newGameMode = IcsIdle;
3413 case RELATION_STARTING_POSITION:
3414 newGameMode = gameMode;
3418 /* Modify behavior for initial board display on move listing
3421 switch (ics_getting_history) {
3425 case H_GOT_REQ_HEADER:
3426 case H_GOT_UNREQ_HEADER:
3427 /* This is the initial position of the current game */
3428 gamenum = ics_gamenum;
3429 moveNum = 0; /* old ICS bug workaround */
3430 if (to_play == 'B') {
3431 startedFromSetupPosition = TRUE;
3432 blackPlaysFirst = TRUE;
3434 if (forwardMostMove == 0) forwardMostMove = 1;
3435 if (backwardMostMove == 0) backwardMostMove = 1;
3436 if (currentMove == 0) currentMove = 1;
3438 newGameMode = gameMode;
3439 relation = RELATION_STARTING_POSITION; /* ICC needs this */
3441 case H_GOT_UNWANTED_HEADER:
3442 /* This is an initial board that we don't want */
3444 case H_GETTING_MOVES:
3445 /* Should not happen */
3446 DisplayError(_("Error gathering move list: extra board"), 0);
3447 ics_getting_history = H_FALSE;
3451 /* Take action if this is the first board of a new game, or of a
3452 different game than is currently being displayed. */
3453 if (gamenum != ics_gamenum || newGameMode != gameMode ||
3454 relation == RELATION_ISOLATED_BOARD) {
3456 /* Forget the old game and get the history (if any) of the new one */
3457 if (gameMode != BeginningOfGame) {
3461 if (appData.autoRaiseBoard) BoardToTop();
3463 if (gamenum == -1) {
3464 newGameMode = IcsIdle;
3465 } else if (moveNum > 0 && newGameMode != IcsIdle &&
3466 appData.getMoveList) {
3467 /* Need to get game history */
3468 ics_getting_history = H_REQUESTED;
3469 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3473 /* Initially flip the board to have black on the bottom if playing
3474 black or if the ICS flip flag is set, but let the user change
3475 it with the Flip View button. */
3476 flipView = appData.autoFlipView ?
3477 (newGameMode == IcsPlayingBlack) || ics_flip :
3480 /* Done with values from previous mode; copy in new ones */
3481 gameMode = newGameMode;
3483 ics_gamenum = gamenum;
3484 if (gamenum == gs_gamenum) {
3485 int klen = strlen(gs_kind);
3486 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
3487 sprintf(str, "ICS %s", gs_kind);
3488 gameInfo.event = StrSave(str);
3490 gameInfo.event = StrSave("ICS game");
3492 gameInfo.site = StrSave(appData.icsHost);
3493 gameInfo.date = PGNDate();
3494 gameInfo.round = StrSave("-");
3495 gameInfo.white = StrSave(white);
3496 gameInfo.black = StrSave(black);
3497 timeControl = basetime * 60 * 1000;
3499 timeIncrement = increment * 1000;
3500 movesPerSession = 0;
3501 gameInfo.timeControl = TimeControlTagValue();
3502 VariantSwitch(board, StringToVariant(gameInfo.event) );
3503 if (appData.debugMode) {
3504 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
3505 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
3506 setbuf(debugFP, NULL);
3509 gameInfo.outOfBook = NULL;
3511 /* Do we have the ratings? */
3512 if (strcmp(player1Name, white) == 0 &&
3513 strcmp(player2Name, black) == 0) {
3514 if (appData.debugMode)
3515 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
3516 player1Rating, player2Rating);
3517 gameInfo.whiteRating = player1Rating;
3518 gameInfo.blackRating = player2Rating;
3519 } else if (strcmp(player2Name, white) == 0 &&
3520 strcmp(player1Name, black) == 0) {
3521 if (appData.debugMode)
3522 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
3523 player2Rating, player1Rating);
3524 gameInfo.whiteRating = player2Rating;
3525 gameInfo.blackRating = player1Rating;
3527 player1Name[0] = player2Name[0] = NULLCHAR;
3529 /* Silence shouts if requested */
3530 if (appData.quietPlay &&
3531 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
3532 SendToICS(ics_prefix);
3533 SendToICS("set shout 0\n");
3537 /* Deal with midgame name changes */
3539 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
3540 if (gameInfo.white) free(gameInfo.white);
3541 gameInfo.white = StrSave(white);
3543 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
3544 if (gameInfo.black) free(gameInfo.black);
3545 gameInfo.black = StrSave(black);
3549 /* Throw away game result if anything actually changes in examine mode */
3550 if (gameMode == IcsExamining && !newGame) {
3551 gameInfo.result = GameUnfinished;
3552 if (gameInfo.resultDetails != NULL) {
3553 free(gameInfo.resultDetails);
3554 gameInfo.resultDetails = NULL;
3558 /* In pausing && IcsExamining mode, we ignore boards coming
3559 in if they are in a different variation than we are. */
3560 if (pauseExamInvalid) return;
3561 if (pausing && gameMode == IcsExamining) {
3562 if (moveNum <= pauseExamForwardMostMove) {
3563 pauseExamInvalid = TRUE;
3564 forwardMostMove = pauseExamForwardMostMove;
3569 if (appData.debugMode) {
3570 fprintf(debugFP, "load %dx%d board\n", files, ranks);
3572 /* Parse the board */
3573 for (k = 0; k < ranks; k++) {
3574 for (j = 0; j < files; j++)
3575 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
3576 if(gameInfo.holdingsWidth > 1) {
3577 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
3578 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
3581 CopyBoard(boards[moveNum], board);
3583 startedFromSetupPosition =
3584 !CompareBoards(board, initialPosition);
3585 if(startedFromSetupPosition)
3586 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
3589 /* [HGM] Set castling rights. Take the outermost Rooks,
3590 to make it also work for FRC opening positions. Note that board12
3591 is really defective for later FRC positions, as it has no way to
3592 indicate which Rook can castle if they are on the same side of King.
3593 For the initial position we grant rights to the outermost Rooks,
3594 and remember thos rights, and we then copy them on positions
3595 later in an FRC game. This means WB might not recognize castlings with
3596 Rooks that have moved back to their original position as illegal,
3597 but in ICS mode that is not its job anyway.
3599 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
3600 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
3602 for(i=BOARD_LEFT, j= -1; i<BOARD_RGHT; i++)
3603 if(board[0][i] == WhiteRook) j = i;
3604 initialRights[0] = castlingRights[moveNum][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? -1 : j);
3605 for(i=BOARD_RGHT-1, j= -1; i>=BOARD_LEFT; i--)
3606 if(board[0][i] == WhiteRook) j = i;
3607 initialRights[1] = castlingRights[moveNum][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? -1 : j);
3608 for(i=BOARD_LEFT, j= -1; i<BOARD_RGHT; i++)
3609 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
3610 initialRights[3] = castlingRights[moveNum][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? -1 : j);
3611 for(i=BOARD_RGHT-1, j= -1; i>=BOARD_LEFT; i--)
3612 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
3613 initialRights[4] = castlingRights[moveNum][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? -1 : j);
3615 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
3616 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
3617 if(board[0][k] == wKing) initialRights[2] = castlingRights[moveNum][2] = k;
3618 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
3619 if(board[BOARD_HEIGHT-1][k] == bKing)
3620 initialRights[5] = castlingRights[moveNum][5] = k;
3622 r = castlingRights[moveNum][0] = initialRights[0];
3623 if(board[0][r] != WhiteRook) castlingRights[moveNum][0] = -1;
3624 r = castlingRights[moveNum][1] = initialRights[1];
3625 if(board[0][r] != WhiteRook) castlingRights[moveNum][1] = -1;
3626 r = castlingRights[moveNum][3] = initialRights[3];
3627 if(board[BOARD_HEIGHT-1][r] != BlackRook) castlingRights[moveNum][3] = -1;
3628 r = castlingRights[moveNum][4] = initialRights[4];
3629 if(board[BOARD_HEIGHT-1][r] != BlackRook) castlingRights[moveNum][4] = -1;
3630 /* wildcastle kludge: always assume King has rights */
3631 r = castlingRights[moveNum][2] = initialRights[2];
3632 r = castlingRights[moveNum][5] = initialRights[5];
3634 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
3635 epStatus[moveNum] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
3638 if (ics_getting_history == H_GOT_REQ_HEADER ||
3639 ics_getting_history == H_GOT_UNREQ_HEADER) {
3640 /* This was an initial position from a move list, not
3641 the current position */
3645 /* Update currentMove and known move number limits */
3646 newMove = newGame || moveNum > forwardMostMove;
3648 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
3649 if (!newGame && appData.icsEngineAnalyze && moveNum < forwardMostMove) {
3650 takeback = forwardMostMove - moveNum;
3651 for (i = 0; i < takeback; i++) {
3652 if (appData.debugMode) fprintf(debugFP, "take back move\n");
3653 SendToProgram("undo\n", &first);
3658 forwardMostMove = backwardMostMove = currentMove = moveNum;
3659 if (gameMode == IcsExamining && moveNum == 0) {
3660 /* Workaround for ICS limitation: we are not told the wild
3661 type when starting to examine a game. But if we ask for
3662 the move list, the move list header will tell us */
3663 ics_getting_history = H_REQUESTED;
3664 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3667 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
3668 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
3669 forwardMostMove = moveNum;
3670 if (!pausing || currentMove > forwardMostMove)
3671 currentMove = forwardMostMove;
3673 /* New part of history that is not contiguous with old part */
3674 if (pausing && gameMode == IcsExamining) {
3675 pauseExamInvalid = TRUE;
3676 forwardMostMove = pauseExamForwardMostMove;
3679 forwardMostMove = backwardMostMove = currentMove = moveNum;
3680 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
3681 ics_getting_history = H_REQUESTED;
3682 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3687 /* Update the clocks */
3688 if (strchr(elapsed_time, '.')) {
3690 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
3691 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
3693 /* Time is in seconds */
3694 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
3695 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
3700 if (appData.zippyPlay && newGame &&
3701 gameMode != IcsObserving && gameMode != IcsIdle &&
3702 gameMode != IcsExamining)
3703 ZippyFirstBoard(moveNum, basetime, increment);
3706 /* Put the move on the move list, first converting
3707 to canonical algebraic form. */
3709 if (appData.debugMode) {
3710 if (appData.debugMode) { int f = forwardMostMove;
3711 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
3712 castlingRights[f][0],castlingRights[f][1],castlingRights[f][2],castlingRights[f][3],castlingRights[f][4],castlingRights[f][5]);
3714 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
3715 fprintf(debugFP, "moveNum = %d\n", moveNum);
3716 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
3717 setbuf(debugFP, NULL);
3719 if (moveNum <= backwardMostMove) {
3720 /* We don't know what the board looked like before
3722 strcpy(parseList[moveNum - 1], move_str);
3723 strcat(parseList[moveNum - 1], " ");
3724 strcat(parseList[moveNum - 1], elapsed_time);
3725 moveList[moveNum - 1][0] = NULLCHAR;
3726 } else if (strcmp(move_str, "none") == 0) {
3727 // [HGM] long SAN: swapped order; test for 'none' before parsing move
3728 /* Again, we don't know what the board looked like;
3729 this is really the start of the game. */
3730 parseList[moveNum - 1][0] = NULLCHAR;
3731 moveList[moveNum - 1][0] = NULLCHAR;
3732 backwardMostMove = moveNum;
3733 startedFromSetupPosition = TRUE;
3734 fromX = fromY = toX = toY = -1;
3736 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
3737 // So we parse the long-algebraic move string in stead of the SAN move
3738 int valid; char buf[MSG_SIZ], *prom;
3740 // str looks something like "Q/a1-a2"; kill the slash
3742 sprintf(buf, "%c%s", str[0], str+2);
3743 else strcpy(buf, str); // might be castling
3744 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
3745 strcat(buf, prom); // long move lacks promo specification!
3746 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
3747 if(appData.debugMode)
3748 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
3749 strcpy(move_str, buf);
3751 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
3752 &fromX, &fromY, &toX, &toY, &promoChar)
3753 || ParseOneMove(buf, moveNum - 1, &moveType,
3754 &fromX, &fromY, &toX, &toY, &promoChar);
3755 // end of long SAN patch
3757 (void) CoordsToAlgebraic(boards[moveNum - 1],
3758 PosFlags(moveNum - 1), EP_UNKNOWN,
3759 fromY, fromX, toY, toX, promoChar,
3760 parseList[moveNum-1]);
3761 switch (MateTest(boards[moveNum], PosFlags(moveNum), EP_UNKNOWN,
3762 castlingRights[moveNum]) ) {
3768 if(gameInfo.variant != VariantShogi)
3769 strcat(parseList[moveNum - 1], "+");
3772 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
3773 strcat(parseList[moveNum - 1], "#");
3776 strcat(parseList[moveNum - 1], " ");
3777 strcat(parseList[moveNum - 1], elapsed_time);
3778 /* currentMoveString is set as a side-effect of ParseOneMove */
3779 strcpy(moveList[moveNum - 1], currentMoveString);
3780 strcat(moveList[moveNum - 1], "\n");
3782 /* Move from ICS was illegal!? Punt. */
3783 if (appData.debugMode) {
3784 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
3785 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
3787 strcpy(parseList[moveNum - 1], move_str);
3788 strcat(parseList[moveNum - 1], " ");
3789 strcat(parseList[moveNum - 1], elapsed_time);
3790 moveList[moveNum - 1][0] = NULLCHAR;
3791 fromX = fromY = toX = toY = -1;
3794 if (appData.debugMode) {
3795 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
3796 setbuf(debugFP, NULL);
3800 /* Send move to chess program (BEFORE animating it). */
3801 if (appData.zippyPlay && !newGame && newMove &&
3802 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
3804 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
3805 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
3806 if (moveList[moveNum - 1][0] == NULLCHAR) {
3807 sprintf(str, _("Couldn't parse move \"%s\" from ICS"),
3809 DisplayError(str, 0);
3811 if (first.sendTime) {
3812 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
3814 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
3815 if (firstMove && !bookHit) {
3817 if (first.useColors) {
3818 SendToProgram(gameMode == IcsPlayingWhite ?
3820 "black\ngo\n", &first);
3822 SendToProgram("go\n", &first);
3824 first.maybeThinking = TRUE;
3827 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
3828 if (moveList[moveNum - 1][0] == NULLCHAR) {
3829 sprintf(str, _("Couldn't parse move \"%s\" from ICS"), move_str);
3830 DisplayError(str, 0);
3832 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
3833 SendMoveToProgram(moveNum - 1, &first);
3840 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
3841 /* If move comes from a remote source, animate it. If it
3842 isn't remote, it will have already been animated. */
3843 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
3844 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
3846 if (!pausing && appData.highlightLastMove) {
3847 SetHighlights(fromX, fromY, toX, toY);
3851 /* Start the clocks */
3852 whiteFlag = blackFlag = FALSE;
3853 appData.clockMode = !(basetime == 0 && increment == 0);
3855 ics_clock_paused = TRUE;
3857 } else if (ticking == 1) {
3858 ics_clock_paused = FALSE;
3860 if (gameMode == IcsIdle ||
3861 relation == RELATION_OBSERVING_STATIC ||
3862 relation == RELATION_EXAMINING ||
3864 DisplayBothClocks();
3868 /* Display opponents and material strengths */
3869 if (gameInfo.variant != VariantBughouse &&
3870 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
3871 if (tinyLayout || smallLayout) {
3872 if(gameInfo.variant == VariantNormal)
3873 sprintf(str, "%s(%d) %s(%d) {%d %d}",
3874 gameInfo.white, white_stren, gameInfo.black, black_stren,
3875 basetime, increment);
3877 sprintf(str, "%s(%d) %s(%d) {%d %d w%d}",
3878 gameInfo.white, white_stren, gameInfo.black, black_stren,
3879 basetime, increment, (int) gameInfo.variant);
3881 if(gameInfo.variant == VariantNormal)
3882 sprintf(str, "%s (%d) vs. %s (%d) {%d %d}",
3883 gameInfo.white, white_stren, gameInfo.black, black_stren,
3884 basetime, increment);
3886 sprintf(str, "%s (%d) vs. %s (%d) {%d %d %s}",
3887 gameInfo.white, white_stren, gameInfo.black, black_stren,
3888 basetime, increment, VariantName(gameInfo.variant));
3891 if (appData.debugMode) {
3892 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
3897 /* Display the board */
3898 if (!pausing && !appData.noGUI) {
3899 if (appData.premove)
3901 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
3902 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
3903 ClearPremoveHighlights();
3905 DrawPosition(FALSE, boards[currentMove]);
3906 DisplayMove(moveNum - 1);
3907 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
3908 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
3909 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
3910 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
3914 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
3916 if(bookHit) { // [HGM] book: simulate book reply
3917 static char bookMove[MSG_SIZ]; // a bit generous?
3919 programStats.nodes = programStats.depth = programStats.time =
3920 programStats.score = programStats.got_only_move = 0;
3921 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3923 strcpy(bookMove, "move ");
3924 strcat(bookMove, bookHit);
3925 HandleMachineMove(bookMove, &first);
3934 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
3935 ics_getting_history = H_REQUESTED;
3936 sprintf(buf, "%smoves %d\n", ics_prefix, ics_gamenum);
3942 AnalysisPeriodicEvent(force)
3945 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
3946 && !force) || !appData.periodicUpdates)
3949 /* Send . command to Crafty to collect stats */
3950 SendToProgram(".\n", &first);
3952 /* Don't send another until we get a response (this makes
3953 us stop sending to old Crafty's which don't understand
3954 the "." command (sending illegal cmds resets node count & time,
3955 which looks bad)) */
3956 programStats.ok_to_send = 0;
3959 void ics_update_width(new_width)
3962 ics_printf("set width %d\n", new_width);
3966 SendMoveToProgram(moveNum, cps)
3968 ChessProgramState *cps;
3972 if (cps->useUsermove) {
3973 SendToProgram("usermove ", cps);
3977 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
3978 int len = space - parseList[moveNum];
3979 memcpy(buf, parseList[moveNum], len);
3981 buf[len] = NULLCHAR;
3983 sprintf(buf, "%s\n", parseList[moveNum]);
3985 SendToProgram(buf, cps);
3987 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
3988 AlphaRank(moveList[moveNum], 4);
3989 SendToProgram(moveList[moveNum], cps);
3990 AlphaRank(moveList[moveNum], 4); // and back
3992 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
3993 * the engine. It would be nice to have a better way to identify castle
3995 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
3996 && cps->useOOCastle) {
3997 int fromX = moveList[moveNum][0] - AAA;
3998 int fromY = moveList[moveNum][1] - ONE;
3999 int toX = moveList[moveNum][2] - AAA;
4000 int toY = moveList[moveNum][3] - ONE;
4001 if((boards[moveNum][fromY][fromX] == WhiteKing
4002 && boards[moveNum][toY][toX] == WhiteRook)
4003 || (boards[moveNum][fromY][fromX] == BlackKing
4004 && boards[moveNum][toY][toX] == BlackRook)) {
4005 if(toX > fromX) SendToProgram("O-O\n", cps);
4006 else SendToProgram("O-O-O\n", cps);
4008 else SendToProgram(moveList[moveNum], cps);
4010 else SendToProgram(moveList[moveNum], cps);
4011 /* End of additions by Tord */
4014 /* [HGM] setting up the opening has brought engine in force mode! */
4015 /* Send 'go' if we are in a mode where machine should play. */
4016 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4017 (gameMode == TwoMachinesPlay ||
4019 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4021 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4022 SendToProgram("go\n", cps);
4023 if (appData.debugMode) {
4024 fprintf(debugFP, "(extra)\n");
4027 setboardSpoiledMachineBlack = 0;
4031 SendMoveToICS(moveType, fromX, fromY, toX, toY)
4033 int fromX, fromY, toX, toY;
4035 char user_move[MSG_SIZ];
4039 sprintf(user_move, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4040 (int)moveType, fromX, fromY, toX, toY);
4041 DisplayError(user_move + strlen("say "), 0);
4043 case WhiteKingSideCastle:
4044 case BlackKingSideCastle:
4045 case WhiteQueenSideCastleWild:
4046 case BlackQueenSideCastleWild:
4048 case WhiteHSideCastleFR:
4049 case BlackHSideCastleFR:
4051 sprintf(user_move, "o-o\n");
4053 case WhiteQueenSideCastle:
4054 case BlackQueenSideCastle:
4055 case WhiteKingSideCastleWild:
4056 case BlackKingSideCastleWild:
4058 case WhiteASideCastleFR:
4059 case BlackASideCastleFR:
4061 sprintf(user_move, "o-o-o\n");
4063 case WhitePromotionQueen:
4064 case BlackPromotionQueen:
4065 case WhitePromotionRook:
4066 case BlackPromotionRook:
4067 case WhitePromotionBishop:
4068 case BlackPromotionBishop:
4069 case WhitePromotionKnight:
4070 case BlackPromotionKnight:
4071 case WhitePromotionKing:
4072 case BlackPromotionKing:
4073 case WhitePromotionChancellor:
4074 case BlackPromotionChancellor:
4075 case WhitePromotionArchbishop:
4076 case BlackPromotionArchbishop:
4077 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier)
4078 sprintf(user_move, "%c%c%c%c=%c\n",
4079 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4080 PieceToChar(WhiteFerz));
4081 else if(gameInfo.variant == VariantGreat)
4082 sprintf(user_move, "%c%c%c%c=%c\n",
4083 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4084 PieceToChar(WhiteMan));
4086 sprintf(user_move, "%c%c%c%c=%c\n",
4087 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4088 PieceToChar(PromoPiece(moveType)));
4092 sprintf(user_move, "%c@%c%c\n",
4093 ToUpper(PieceToChar((ChessSquare) fromX)),
4094 AAA + toX, ONE + toY);
4097 case WhiteCapturesEnPassant:
4098 case BlackCapturesEnPassant:
4099 case IllegalMove: /* could be a variant we don't quite understand */
4100 sprintf(user_move, "%c%c%c%c\n",
4101 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4104 SendToICS(user_move);
4105 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
4106 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
4110 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
4115 if (rf == DROP_RANK) {
4116 sprintf(move, "%c@%c%c\n",
4117 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
4119 if (promoChar == 'x' || promoChar == NULLCHAR) {
4120 sprintf(move, "%c%c%c%c\n",
4121 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
4123 sprintf(move, "%c%c%c%c%c\n",
4124 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
4130 ProcessICSInitScript(f)
4135 while (fgets(buf, MSG_SIZ, f)) {
4136 SendToICSDelayed(buf,(long)appData.msLoginDelay);
4143 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
4145 AlphaRank(char *move, int n)
4147 // char *p = move, c; int x, y;
4149 if (appData.debugMode) {
4150 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
4154 move[2]>='0' && move[2]<='9' &&
4155 move[3]>='a' && move[3]<='x' ) {
4157 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4158 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4160 if(move[0]>='0' && move[0]<='9' &&
4161 move[1]>='a' && move[1]<='x' &&
4162 move[2]>='0' && move[2]<='9' &&
4163 move[3]>='a' && move[3]<='x' ) {
4164 /* input move, Shogi -> normal */
4165 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
4166 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
4167 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4168 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4171 move[3]>='0' && move[3]<='9' &&
4172 move[2]>='a' && move[2]<='x' ) {
4174 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4175 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4178 move[0]>='a' && move[0]<='x' &&
4179 move[3]>='0' && move[3]<='9' &&
4180 move[2]>='a' && move[2]<='x' ) {
4181 /* output move, normal -> Shogi */
4182 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
4183 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
4184 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4185 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4186 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
4188 if (appData.debugMode) {
4189 fprintf(debugFP, " out = '%s'\n", move);
4193 /* Parser for moves from gnuchess, ICS, or user typein box */
4195 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
4198 ChessMove *moveType;
4199 int *fromX, *fromY, *toX, *toY;
4202 if (appData.debugMode) {
4203 fprintf(debugFP, "move to parse: %s\n", move);
4205 *moveType = yylexstr(moveNum, move);
4207 switch (*moveType) {
4208 case WhitePromotionChancellor:
4209 case BlackPromotionChancellor:
4210 case WhitePromotionArchbishop:
4211 case BlackPromotionArchbishop:
4212 case WhitePromotionQueen:
4213 case BlackPromotionQueen:
4214 case WhitePromotionRook:
4215 case BlackPromotionRook:
4216 case WhitePromotionBishop:
4217 case BlackPromotionBishop:
4218 case WhitePromotionKnight:
4219 case BlackPromotionKnight:
4220 case WhitePromotionKing:
4221 case BlackPromotionKing:
4223 case WhiteCapturesEnPassant:
4224 case BlackCapturesEnPassant:
4225 case WhiteKingSideCastle:
4226 case WhiteQueenSideCastle:
4227 case BlackKingSideCastle:
4228 case BlackQueenSideCastle:
4229 case WhiteKingSideCastleWild:
4230 case WhiteQueenSideCastleWild:
4231 case BlackKingSideCastleWild:
4232 case BlackQueenSideCastleWild:
4233 /* Code added by Tord: */
4234 case WhiteHSideCastleFR:
4235 case WhiteASideCastleFR:
4236 case BlackHSideCastleFR:
4237 case BlackASideCastleFR:
4238 /* End of code added by Tord */
4239 case IllegalMove: /* bug or odd chess variant */
4240 *fromX = currentMoveString[0] - AAA;
4241 *fromY = currentMoveString[1] - ONE;
4242 *toX = currentMoveString[2] - AAA;
4243 *toY = currentMoveString[3] - ONE;
4244 *promoChar = currentMoveString[4];
4245 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
4246 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
4247 if (appData.debugMode) {
4248 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
4250 *fromX = *fromY = *toX = *toY = 0;
4253 if (appData.testLegality) {
4254 return (*moveType != IllegalMove);
4256 return !(fromX == fromY && toX == toY);
4261 *fromX = *moveType == WhiteDrop ?
4262 (int) CharToPiece(ToUpper(currentMoveString[0])) :
4263 (int) CharToPiece(ToLower(currentMoveString[0]));
4265 *toX = currentMoveString[2] - AAA;
4266 *toY = currentMoveString[3] - ONE;
4267 *promoChar = NULLCHAR;
4271 case ImpossibleMove:
4272 case (ChessMove) 0: /* end of file */
4281 if (appData.debugMode) {
4282 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
4285 *fromX = *fromY = *toX = *toY = 0;
4286 *promoChar = NULLCHAR;
4291 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
4292 // All positions will have equal probability, but the current method will not provide a unique
4293 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
4299 int piecesLeft[(int)BlackPawn];
4300 int seed, nrOfShuffles;
4302 void GetPositionNumber()
4303 { // sets global variable seed
4306 seed = appData.defaultFrcPosition;
4307 if(seed < 0) { // randomize based on time for negative FRC position numbers
4308 for(i=0; i<50; i++) seed += random();
4309 seed = random() ^ random() >> 8 ^ random() << 8;
4310 if(seed<0) seed = -seed;
4314 int put(Board board, int pieceType, int rank, int n, int shade)
4315 // put the piece on the (n-1)-th empty squares of the given shade
4319 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
4320 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
4321 board[rank][i] = (ChessSquare) pieceType;
4322 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
4324 piecesLeft[pieceType]--;
4332 void AddOnePiece(Board board, int pieceType, int rank, int shade)
4333 // calculate where the next piece goes, (any empty square), and put it there
4337 i = seed % squaresLeft[shade];
4338 nrOfShuffles *= squaresLeft[shade];
4339 seed /= squaresLeft[shade];
4340 put(board, pieceType, rank, i, shade);
4343 void AddTwoPieces(Board board, int pieceType, int rank)
4344 // calculate where the next 2 identical pieces go, (any empty square), and put it there
4346 int i, n=squaresLeft[ANY], j=n-1, k;
4348 k = n*(n-1)/2; // nr of possibilities, not counting permutations
4349 i = seed % k; // pick one
4352 while(i >= j) i -= j--;
4353 j = n - 1 - j; i += j;
4354 put(board, pieceType, rank, j, ANY);
4355 put(board, pieceType, rank, i, ANY);
4358 void SetUpShuffle(Board board, int number)
4362 GetPositionNumber(); nrOfShuffles = 1;
4364 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
4365 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
4366 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
4368 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
4370 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
4371 p = (int) board[0][i];
4372 if(p < (int) BlackPawn) piecesLeft[p] ++;
4373 board[0][i] = EmptySquare;
4376 if(PosFlags(0) & F_ALL_CASTLE_OK) {
4377 // shuffles restricted to allow normal castling put KRR first
4378 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
4379 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
4380 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
4381 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
4382 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
4383 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
4384 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
4385 put(board, WhiteRook, 0, 0, ANY);
4386 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
4389 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
4390 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
4391 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
4392 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
4393 while(piecesLeft[p] >= 2) {
4394 AddOnePiece(board, p, 0, LITE);
4395 AddOnePiece(board, p, 0, DARK);
4397 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
4400 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
4401 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
4402 // but we leave King and Rooks for last, to possibly obey FRC restriction
4403 if(p == (int)WhiteRook) continue;
4404 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
4405 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
4408 // now everything is placed, except perhaps King (Unicorn) and Rooks
4410 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
4411 // Last King gets castling rights
4412 while(piecesLeft[(int)WhiteUnicorn]) {
4413 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
4414 initialRights[2] = initialRights[5] = castlingRights[0][2] = castlingRights[0][5] = i;
4417 while(piecesLeft[(int)WhiteKing]) {
4418 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
4419 initialRights[2] = initialRights[5] = castlingRights[0][2] = castlingRights[0][5] = i;
4424 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
4425 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
4428 // Only Rooks can be left; simply place them all
4429 while(piecesLeft[(int)WhiteRook]) {
4430 i = put(board, WhiteRook, 0, 0, ANY);
4431 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
4434 initialRights[1] = initialRights[4] = castlingRights[0][1] = castlingRights[0][4] = i;
4436 initialRights[0] = initialRights[3] = castlingRights[0][0] = castlingRights[0][3] = i;
4439 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
4440 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
4443 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
4446 int SetCharTable( char *table, const char * map )
4447 /* [HGM] moved here from winboard.c because of its general usefulness */
4448 /* Basically a safe strcpy that uses the last character as King */
4450 int result = FALSE; int NrPieces;
4452 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
4453 && NrPieces >= 12 && !(NrPieces&1)) {
4454 int i; /* [HGM] Accept even length from 12 to 34 */
4456 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
4457 for( i=0; i<NrPieces/2-1; i++ ) {
4459 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
4461 table[(int) WhiteKing] = map[NrPieces/2-1];
4462 table[(int) BlackKing] = map[NrPieces-1];
4470 void Prelude(Board board)
4471 { // [HGM] superchess: random selection of exo-pieces
4472 int i, j, k; ChessSquare p;
4473 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
4475 GetPositionNumber(); // use FRC position number
4477 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
4478 SetCharTable(pieceToChar, appData.pieceToCharTable);
4479 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
4480 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
4483 j = seed%4; seed /= 4;
4484 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
4485 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
4486 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
4487 j = seed%3 + (seed%3 >= j); seed /= 3;
4488 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
4489 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
4490 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
4491 j = seed%3; seed /= 3;
4492 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
4493 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
4494 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
4495 j = seed%2 + (seed%2 >= j); seed /= 2;
4496 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
4497 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
4498 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
4499 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
4500 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
4501 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
4502 put(board, exoPieces[0], 0, 0, ANY);
4503 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
4507 InitPosition(redraw)
4510 ChessSquare (* pieces)[BOARD_SIZE];
4511 int i, j, pawnRow, overrule,
4512 oldx = gameInfo.boardWidth,
4513 oldy = gameInfo.boardHeight,
4514 oldh = gameInfo.holdingsWidth,
4515 oldv = gameInfo.variant;
4517 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
4519 /* [AS] Initialize pv info list [HGM] and game status */
4521 for( i=0; i<MAX_MOVES; i++ ) {
4522 pvInfoList[i].depth = 0;
4523 epStatus[i]=EP_NONE;
4524 for( j=0; j<BOARD_SIZE; j++ ) castlingRights[i][j] = -1;
4527 initialRulePlies = 0; /* 50-move counter start */
4529 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
4530 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
4534 /* [HGM] logic here is completely changed. In stead of full positions */
4535 /* the initialized data only consist of the two backranks. The switch */
4536 /* selects which one we will use, which is than copied to the Board */
4537 /* initialPosition, which for the rest is initialized by Pawns and */
4538 /* empty squares. This initial position is then copied to boards[0], */
4539 /* possibly after shuffling, so that it remains available. */
4541 gameInfo.holdingsWidth = 0; /* default board sizes */
4542 gameInfo.boardWidth = 8;
4543 gameInfo.boardHeight = 8;
4544 gameInfo.holdingsSize = 0;
4545 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
4546 for(i=0; i<BOARD_SIZE; i++) initialRights[i] = -1; /* but no rights yet */
4547 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
4549 switch (gameInfo.variant) {
4550 case VariantFischeRandom:
4551 shuffleOpenings = TRUE;
4555 case VariantShatranj:
4556 pieces = ShatranjArray;
4557 nrCastlingRights = 0;
4558 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
4560 case VariantTwoKings:
4561 pieces = twoKingsArray;
4563 case VariantCapaRandom:
4564 shuffleOpenings = TRUE;
4565 case VariantCapablanca:
4566 pieces = CapablancaArray;
4567 gameInfo.boardWidth = 10;
4568 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
4571 pieces = GothicArray;
4572 gameInfo.boardWidth = 10;
4573 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
4576 pieces = JanusArray;
4577 gameInfo.boardWidth = 10;
4578 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
4579 nrCastlingRights = 6;
4580 castlingRights[0][0] = initialRights[0] = BOARD_RGHT-1;
4581 castlingRights[0][1] = initialRights[1] = BOARD_LEFT;
4582 castlingRights[0][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
4583 castlingRights[0][3] = initialRights[3] = BOARD_RGHT-1;
4584 castlingRights[0][4] = initialRights[4] = BOARD_LEFT;
4585 castlingRights[0][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
4588 pieces = FalconArray;
4589 gameInfo.boardWidth = 10;
4590 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
4592 case VariantXiangqi:
4593 pieces = XiangqiArray;
4594 gameInfo.boardWidth = 9;
4595 gameInfo.boardHeight = 10;
4596 nrCastlingRights = 0;
4597 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
4600 pieces = ShogiArray;
4601 gameInfo.boardWidth = 9;
4602 gameInfo.boardHeight = 9;
4603 gameInfo.holdingsSize = 7;
4604 nrCastlingRights = 0;
4605 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
4607 case VariantCourier:
4608 pieces = CourierArray;
4609 gameInfo.boardWidth = 12;
4610 nrCastlingRights = 0;
4611 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
4612 for(i=0; i<BOARD_SIZE; i++) initialRights[i] = -1;
4614 case VariantKnightmate:
4615 pieces = KnightmateArray;
4616 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
4619 pieces = fairyArray;
4620 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVSLUKpnbrqfeacwmohijgdvsluk");
4623 pieces = GreatArray;
4624 gameInfo.boardWidth = 10;
4625 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
4626 gameInfo.holdingsSize = 8;
4630 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
4631 gameInfo.holdingsSize = 8;
4632 startedFromSetupPosition = TRUE;
4634 case VariantCrazyhouse:
4635 case VariantBughouse:
4637 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
4638 gameInfo.holdingsSize = 5;
4640 case VariantWildCastle:
4642 /* !!?shuffle with kings guaranteed to be on d or e file */
4643 shuffleOpenings = 1;
4645 case VariantNoCastle:
4647 nrCastlingRights = 0;
4648 for(i=0; i<BOARD_SIZE; i++) initialRights[i] = -1;
4649 /* !!?unconstrained back-rank shuffle */
4650 shuffleOpenings = 1;
4655 if(appData.NrFiles >= 0) {
4656 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
4657 gameInfo.boardWidth = appData.NrFiles;
4659 if(appData.NrRanks >= 0) {
4660 gameInfo.boardHeight = appData.NrRanks;
4662 if(appData.holdingsSize >= 0) {
4663 i = appData.holdingsSize;
4664 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
4665 gameInfo.holdingsSize = i;
4667 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
4668 if(BOARD_HEIGHT > BOARD_SIZE || BOARD_WIDTH > BOARD_SIZE)
4669 DisplayFatalError(_("Recompile to support this BOARD_SIZE!"), 0, 2);
4671 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
4672 if(pawnRow < 1) pawnRow = 1;
4674 /* User pieceToChar list overrules defaults */
4675 if(appData.pieceToCharTable != NULL)
4676 SetCharTable(pieceToChar, appData.pieceToCharTable);
4678 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
4680 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
4681 s = (ChessSquare) 0; /* account holding counts in guard band */
4682 for( i=0; i<BOARD_HEIGHT; i++ )
4683 initialPosition[i][j] = s;
4685 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
4686 initialPosition[0][j] = pieces[0][j-gameInfo.holdingsWidth];
4687 initialPosition[pawnRow][j] = WhitePawn;
4688 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = BlackPawn;
4689 if(gameInfo.variant == VariantXiangqi) {
4691 initialPosition[pawnRow][j] =
4692 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
4693 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
4694 initialPosition[2][j] = WhiteCannon;
4695 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
4699 initialPosition[BOARD_HEIGHT-1][j] = pieces[1][j-gameInfo.holdingsWidth];
4701 if( (gameInfo.variant == VariantShogi) && !overrule ) {
4704 initialPosition[1][j] = WhiteBishop;
4705 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
4707 initialPosition[1][j] = WhiteRook;
4708 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
4711 if( nrCastlingRights == -1) {
4712 /* [HGM] Build normal castling rights (must be done after board sizing!) */
4713 /* This sets default castling rights from none to normal corners */
4714 /* Variants with other castling rights must set them themselves above */
4715 nrCastlingRights = 6;
4717 castlingRights[0][0] = initialRights[0] = BOARD_RGHT-1;
4718 castlingRights[0][1] = initialRights[1] = BOARD_LEFT;
4719 castlingRights[0][2] = initialRights[2] = BOARD_WIDTH>>1;
4720 castlingRights[0][3] = initialRights[3] = BOARD_RGHT-1;
4721 castlingRights[0][4] = initialRights[4] = BOARD_LEFT;
4722 castlingRights[0][5] = initialRights[5] = BOARD_WIDTH>>1;
4725 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
4726 if(gameInfo.variant == VariantGreat) { // promotion commoners
4727 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
4728 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
4729 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
4730 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
4732 if (appData.debugMode) {
4733 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
4735 if(shuffleOpenings) {
4736 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
4737 startedFromSetupPosition = TRUE;
4739 if(startedFromPositionFile) {
4740 /* [HGM] loadPos: use PositionFile for every new game */
4741 CopyBoard(initialPosition, filePosition);
4742 for(i=0; i<nrCastlingRights; i++)
4743 castlingRights[0][i] = initialRights[i] = fileRights[i];
4744 startedFromSetupPosition = TRUE;
4747 CopyBoard(boards[0], initialPosition);
4748 if(oldx != gameInfo.boardWidth ||
4749 oldy != gameInfo.boardHeight ||
4750 oldh != gameInfo.holdingsWidth
4752 || oldv == VariantGothic || // For licensing popups
4753 gameInfo.variant == VariantGothic
4756 || oldv == VariantFalcon ||
4757 gameInfo.variant == VariantFalcon
4761 InitDrawingSizes(-2 ,0);
4765 DrawPosition(TRUE, boards[currentMove]);
4770 SendBoard(cps, moveNum)
4771 ChessProgramState *cps;
4774 char message[MSG_SIZ];
4776 if (cps->useSetboard) {
4777 char* fen = PositionToFEN(moveNum, cps->fenOverride);
4778 sprintf(message, "setboard %s\n", fen);
4779 SendToProgram(message, cps);
4785 /* Kludge to set black to move, avoiding the troublesome and now
4786 * deprecated "black" command.
4788 if (!WhiteOnMove(moveNum)) SendToProgram("a2a3\n", cps);
4790 SendToProgram("edit\n", cps);
4791 SendToProgram("#\n", cps);
4792 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
4793 bp = &boards[moveNum][i][BOARD_LEFT];
4794 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
4795 if ((int) *bp < (int) BlackPawn) {
4796 sprintf(message, "%c%c%c\n", PieceToChar(*bp),
4798 if(message[0] == '+' || message[0] == '~') {
4799 sprintf(message, "%c%c%c+\n",
4800 PieceToChar((ChessSquare)(DEMOTED *bp)),
4803 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
4804 message[1] = BOARD_RGHT - 1 - j + '1';
4805 message[2] = BOARD_HEIGHT - 1 - i + 'a';
4807 SendToProgram(message, cps);
4812 SendToProgram("c\n", cps);
4813 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
4814 bp = &boards[moveNum][i][BOARD_LEFT];
4815 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
4816 if (((int) *bp != (int) EmptySquare)
4817 && ((int) *bp >= (int) BlackPawn)) {
4818 sprintf(message, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
4820 if(message[0] == '+' || message[0] == '~') {
4821 sprintf(message, "%c%c%c+\n",
4822 PieceToChar((ChessSquare)(DEMOTED *bp)),
4825 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
4826 message[1] = BOARD_RGHT - 1 - j + '1';
4827 message[2] = BOARD_HEIGHT - 1 - i + 'a';
4829 SendToProgram(message, cps);
4834 SendToProgram(".\n", cps);
4836 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
4840 IsPromotion(fromX, fromY, toX, toY)
4841 int fromX, fromY, toX, toY;
4843 /* [HGM] add Shogi promotions */
4844 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
4847 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi ||
4848 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) return FALSE;
4849 /* [HGM] Note to self: line above also weeds out drops */
4850 piece = boards[currentMove][fromY][fromX];
4851 if(gameInfo.variant == VariantShogi) {
4852 promotionZoneSize = 3;
4853 highestPromotingPiece = (int)WhiteKing;
4854 /* [HGM] Should be Silver = Ferz, really, but legality testing is off,
4855 and if in normal chess we then allow promotion to King, why not
4856 allow promotion of other piece in Shogi? */
4858 if((int)piece >= BlackPawn) {
4859 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
4861 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
4863 if( toY < BOARD_HEIGHT - promotionZoneSize &&
4864 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
4866 return ( (int)piece <= highestPromotingPiece );
4870 InPalace(row, column)
4872 { /* [HGM] for Xiangqi */
4873 if( (row < 3 || row > BOARD_HEIGHT-4) &&
4874 column < (BOARD_WIDTH + 4)/2 &&
4875 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
4880 PieceForSquare (x, y)
4884 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
4887 return boards[currentMove][y][x];
4891 OKToStartUserMove(x, y)
4894 ChessSquare from_piece;
4897 if (matchMode) return FALSE;
4898 if (gameMode == EditPosition) return TRUE;
4900 if (x >= 0 && y >= 0)
4901 from_piece = boards[currentMove][y][x];
4903 from_piece = EmptySquare;
4905 if (from_piece == EmptySquare) return FALSE;
4907 white_piece = (int)from_piece >= (int)WhitePawn &&
4908 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
4911 case PlayFromGameFile:
4913 case TwoMachinesPlay:
4921 case MachinePlaysWhite:
4922 case IcsPlayingBlack:
4923 if (appData.zippyPlay) return FALSE;
4925 DisplayMoveError(_("You are playing Black"));
4930 case MachinePlaysBlack:
4931 case IcsPlayingWhite:
4932 if (appData.zippyPlay) return FALSE;
4934 DisplayMoveError(_("You are playing White"));
4940 if (!white_piece && WhiteOnMove(currentMove)) {
4941 DisplayMoveError(_("It is White's turn"));
4944 if (white_piece && !WhiteOnMove(currentMove)) {
4945 DisplayMoveError(_("It is Black's turn"));
4948 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
4949 /* Editing correspondence game history */
4950 /* Could disallow this or prompt for confirmation */
4953 if (currentMove < forwardMostMove) {
4954 /* Discarding moves */
4955 /* Could prompt for confirmation here,
4956 but I don't think that's such a good idea */
4957 forwardMostMove = currentMove;
4961 case BeginningOfGame:
4962 if (appData.icsActive) return FALSE;
4963 if (!appData.noChessProgram) {
4965 DisplayMoveError(_("You are playing White"));
4972 if (!white_piece && WhiteOnMove(currentMove)) {
4973 DisplayMoveError(_("It is White's turn"));
4976 if (white_piece && !WhiteOnMove(currentMove)) {
4977 DisplayMoveError(_("It is Black's turn"));
4986 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
4987 && gameMode != AnalyzeFile && gameMode != Training) {
4988 DisplayMoveError(_("Displayed position is not current"));
4994 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
4995 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
4996 int lastLoadGameUseList = FALSE;
4997 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
4998 ChessMove lastLoadGameStart = (ChessMove) 0;
5001 UserMoveTest(fromX, fromY, toX, toY, promoChar, captureOwn)
5002 int fromX, fromY, toX, toY;
5007 ChessSquare pdown, pup;
5009 if (fromX < 0 || fromY < 0) return ImpossibleMove;
5011 /* [HGM] suppress all moves into holdings area and guard band */
5012 if( toX < BOARD_LEFT || toX >= BOARD_RGHT || toY < 0 )
5013 return ImpossibleMove;
5015 /* [HGM] <sameColor> moved to here from winboard.c */
5016 /* note: capture of own piece can be legal as drag-drop premove. For click-click it is selection of new piece. */
5017 pdown = boards[currentMove][fromY][fromX];
5018 pup = boards[currentMove][toY][toX];
5019 if ( gameMode != EditPosition && !captureOwn &&
5020 (WhitePawn <= pdown && pdown < BlackPawn &&
5021 WhitePawn <= pup && pup < BlackPawn ||
5022 BlackPawn <= pdown && pdown < EmptySquare &&
5023 BlackPawn <= pup && pup < EmptySquare
5024 ) && !((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
5025 (pup == WhiteRook && pdown == WhiteKing && fromY == 0 && toY == 0||
5026 pup == BlackRook && pdown == BlackKing && fromY == BOARD_HEIGHT-1 && toY == BOARD_HEIGHT-1 ||
5027 pup == WhiteKing && pdown == WhiteRook && fromY == 0 && toY == 0|| // also allow RxK
5028 pup == BlackKing && pdown == BlackRook && fromY == BOARD_HEIGHT-1 && toY == BOARD_HEIGHT-1 )
5032 /* Check if the user is playing in turn. This is complicated because we
5033 let the user "pick up" a piece before it is his turn. So the piece he
5034 tried to pick up may have been captured by the time he puts it down!
5035 Therefore we use the color the user is supposed to be playing in this
5036 test, not the color of the piece that is currently on the starting
5037 square---except in EditGame mode, where the user is playing both
5038 sides; fortunately there the capture race can't happen. (It can
5039 now happen in IcsExamining mode, but that's just too bad. The user
5040 will get a somewhat confusing message in that case.)
5044 case PlayFromGameFile:
5046 case TwoMachinesPlay:
5050 /* We switched into a game mode where moves are not accepted,
5051 perhaps while the mouse button was down. */
5052 return ImpossibleMove;
5054 case MachinePlaysWhite:
5055 /* User is moving for Black */
5056 if (WhiteOnMove(currentMove)) {
5057 DisplayMoveError(_("It is White's turn"));
5058 return ImpossibleMove;
5062 case MachinePlaysBlack:
5063 /* User is moving for White */
5064 if (!WhiteOnMove(currentMove)) {
5065 DisplayMoveError(_("It is Black's turn"));
5066 return ImpossibleMove;
5072 case BeginningOfGame:
5075 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
5076 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
5077 /* User is moving for Black */
5078 if (WhiteOnMove(currentMove)) {
5079 DisplayMoveError(_("It is White's turn"));
5080 return ImpossibleMove;
5083 /* User is moving for White */
5084 if (!WhiteOnMove(currentMove)) {
5085 DisplayMoveError(_("It is Black's turn"));
5086 return ImpossibleMove;
5091 case IcsPlayingBlack:
5092 /* User is moving for Black */
5093 if (WhiteOnMove(currentMove)) {
5094 if (!appData.premove) {
5095 DisplayMoveError(_("It is White's turn"));
5096 } else if (toX >= 0 && toY >= 0) {
5099 premoveFromX = fromX;
5100 premoveFromY = fromY;
5101 premovePromoChar = promoChar;
5103 if (appData.debugMode)
5104 fprintf(debugFP, "Got premove: fromX %d,"
5105 "fromY %d, toX %d, toY %d\n",
5106 fromX, fromY, toX, toY);
5108 return ImpossibleMove;
5112 case IcsPlayingWhite:
5113 /* User is moving for White */
5114 if (!WhiteOnMove(currentMove)) {
5115 if (!appData.premove) {
5116 DisplayMoveError(_("It is Black's turn"));
5117 } else if (toX >= 0 && toY >= 0) {
5120 premoveFromX = fromX;
5121 premoveFromY = fromY;
5122 premovePromoChar = promoChar;
5124 if (appData.debugMode)
5125 fprintf(debugFP, "Got premove: fromX %d,"
5126 "fromY %d, toX %d, toY %d\n",
5127 fromX, fromY, toX, toY);
5129 return ImpossibleMove;
5137 /* EditPosition, empty square, or different color piece;
5138 click-click move is possible */
5139 if (toX == -2 || toY == -2) {
5140 boards[0][fromY][fromX] = EmptySquare;
5141 return AmbiguousMove;
5142 } else if (toX >= 0 && toY >= 0) {
5143 boards[0][toY][toX] = boards[0][fromY][fromX];
5144 boards[0][fromY][fromX] = EmptySquare;
5145 return AmbiguousMove;
5147 return ImpossibleMove;
5150 /* [HGM] If move started in holdings, it means a drop */
5151 if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) {
5152 if( pup != EmptySquare ) return ImpossibleMove;
5153 if(appData.testLegality) {
5154 /* it would be more logical if LegalityTest() also figured out
5155 * which drops are legal. For now we forbid pawns on back rank.
5156 * Shogi is on its own here...
5158 if( (pdown == WhitePawn || pdown == BlackPawn) &&
5159 (toY == 0 || toY == BOARD_HEIGHT -1 ) )
5160 return(ImpossibleMove); /* no pawn drops on 1st/8th */
5162 return WhiteDrop; /* Not needed to specify white or black yet */
5165 userOfferedDraw = FALSE;
5167 /* [HGM] always test for legality, to get promotion info */
5168 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5169 epStatus[currentMove], castlingRights[currentMove],
5170 fromY, fromX, toY, toX, promoChar);
5171 /* [HGM] but possibly ignore an IllegalMove result */
5172 if (appData.testLegality) {
5173 if (moveType == IllegalMove || moveType == ImpossibleMove) {
5174 DisplayMoveError(_("Illegal move"));
5175 return ImpossibleMove;
5178 if(appData.debugMode) fprintf(debugFP, "moveType 3 = %d, promochar = %x\n", moveType, promoChar);
5180 /* [HGM] <popupFix> in stead of calling FinishMove directly, this
5181 function is made into one that returns an OK move type if FinishMove
5182 should be called. This to give the calling driver routine the
5183 opportunity to finish the userMove input with a promotion popup,
5184 without bothering the user with this for invalid or illegal moves */
5186 /* FinishMove(moveType, fromX, fromY, toX, toY, promoChar); */
5189 /* Common tail of UserMoveEvent and DropMenuEvent */
5191 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
5193 int fromX, fromY, toX, toY;
5194 /*char*/int promoChar;
5198 if(appData.debugMode)
5199 fprintf(debugFP, "moveType 5 = %d, promochar = %x\n", moveType, promoChar);
5201 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR)
5203 // [HGM] superchess: suppress promotions to non-available piece
5204 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
5205 if(WhiteOnMove(currentMove))
5207 if(!boards[currentMove][k][BOARD_WIDTH-2])
5212 if(!boards[currentMove][BOARD_HEIGHT-1-k][1])
5217 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
5218 move type in caller when we know the move is a legal promotion */
5219 if(moveType == NormalMove && promoChar)
5220 moveType = PromoCharToMoveType(WhiteOnMove(currentMove), promoChar);
5222 if(appData.debugMode)
5223 fprintf(debugFP, "moveType 1 = %d, promochar = %x\n", moveType, promoChar);
5225 /* [HGM] convert drag-and-drop piece drops to standard form */
5226 if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1)
5228 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
5229 if(appData.debugMode)
5230 fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
5231 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
5232 // fromX = boards[currentMove][fromY][fromX];
5233 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
5235 fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
5237 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
5239 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare)
5245 /* [HGM] <popupFix> The following if has been moved here from
5246 UserMoveEvent(). Because it seemed to belon here (why not allow
5247 piece drops in training games?), and because it can only be
5248 performed after it is known to what we promote. */
5249 if (gameMode == Training)
5251 /* compare the move played on the board to the next move in the
5252 * game. If they match, display the move and the opponent's response.
5253 * If they don't match, display an error message.
5256 Board testBoard; char testRights[BOARD_SIZE]; char testStatus;
5257 CopyBoard(testBoard, boards[currentMove]);
5258 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard, testRights, &testStatus);
5260 if (CompareBoards(testBoard, boards[currentMove+1]))
5262 ForwardInner(currentMove+1);
5264 /* Autoplay the opponent's response.
5265 * if appData.animate was TRUE when Training mode was entered,
5266 * the response will be animated.
5268 saveAnimate = appData.animate;
5269 appData.animate = animateTraining;
5270 ForwardInner(currentMove+1);
5271 appData.animate = saveAnimate;
5273 /* check for the end of the game */
5274 if (currentMove >= forwardMostMove)
5276 gameMode = PlayFromGameFile;
5278 SetTrainingModeOff();
5279 DisplayInformation(_("End of game"));
5284 DisplayError(_("Incorrect move"), 0);
5289 /* Ok, now we know that the move is good, so we can kill
5290 the previous line in Analysis Mode */
5291 if (gameMode == AnalyzeMode && currentMove < forwardMostMove)
5293 forwardMostMove = currentMove;
5296 /* If we need the chess program but it's dead, restart it */
5297 ResurrectChessProgram();
5299 /* A user move restarts a paused game*/
5303 thinkOutput[0] = NULLCHAR;
5305 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
5307 if (gameMode == BeginningOfGame)
5309 if (appData.noChessProgram)
5311 gameMode = EditGame;
5317 gameMode = MachinePlaysBlack;
5320 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
5324 sprintf(buf, "name %s\n", gameInfo.white);
5325 SendToProgram(buf, &first);
5331 if(appData.debugMode) fprintf(debugFP, "moveType 2 = %d, promochar = %x\n", moveType, promoChar);
5333 /* Relay move to ICS or chess engine */
5334 if (appData.icsActive)
5336 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
5337 gameMode == IcsExamining)
5339 SendMoveToICS(moveType, fromX, fromY, toX, toY);
5345 if (first.sendTime && (gameMode == BeginningOfGame ||
5346 gameMode == MachinePlaysWhite ||
5347 gameMode == MachinePlaysBlack))
5349 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
5351 if (gameMode != EditGame && gameMode != PlayFromGameFile)
5353 // [HGM] book: if program might be playing, let it use book
5354 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
5355 first.maybeThinking = TRUE;
5358 SendMoveToProgram(forwardMostMove-1, &first);
5359 if (currentMove == cmailOldMove + 1)
5361 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
5365 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
5370 switch (MateTest(boards[currentMove], PosFlags(currentMove),
5371 EP_UNKNOWN, castlingRights[currentMove]) )
5378 if (WhiteOnMove(currentMove))
5380 GameEnds(BlackWins, "Black mates", GE_PLAYER);
5384 GameEnds(WhiteWins, "White mates", GE_PLAYER);
5388 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
5393 case MachinePlaysBlack:
5394 case MachinePlaysWhite:
5395 /* disable certain menu options while machine is thinking */
5396 SetMachineThinkingEnables();
5404 { // [HGM] book: simulate book reply
5405 static char bookMove[MSG_SIZ]; // a bit generous?
5407 programStats.nodes = programStats.depth = programStats.time =
5408 programStats.score = programStats.got_only_move = 0;
5409 sprintf(programStats.movelist, "%s (xbook)", bookHit);
5411 strcpy(bookMove, "move ");
5412 strcat(bookMove, bookHit);
5413 HandleMachineMove(bookMove, &first);
5420 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
5421 int fromX, fromY, toX, toY;
5424 /* [HGM] This routine was added to allow calling of its two logical
5425 parts from other modules in the old way. Before, UserMoveEvent()
5426 automatically called FinishMove() if the move was OK, and returned
5427 otherwise. I separated the two, in order to make it possible to
5428 slip a promotion popup in between. But that it always needs two
5429 calls, to the first part, (now called UserMoveTest() ), and to
5430 FinishMove if the first part succeeded. Calls that do not need
5431 to do anything in between, can call this routine the old way.
5433 ChessMove moveType = UserMoveTest(fromX, fromY, toX, toY, promoChar, FALSE);
5434 if(appData.debugMode) fprintf(debugFP, "moveType 4 = %d, promochar = %x\n", moveType, promoChar);
5435 if(moveType == AmbiguousMove)
5436 DrawPosition(FALSE, boards[currentMove]);
5437 else if(moveType != ImpossibleMove && moveType != Comment)
5438 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
5441 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
5443 // char * hint = lastHint;
5444 FrontEndProgramStats stats;
5446 stats.which = cps == &first ? 0 : 1;
5447 stats.depth = cpstats->depth;
5448 stats.nodes = cpstats->nodes;
5449 stats.score = cpstats->score;
5450 stats.time = cpstats->time;
5451 stats.pv = cpstats->movelist;
5452 stats.hint = lastHint;
5453 stats.an_move_index = 0;
5454 stats.an_move_count = 0;
5456 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
5457 stats.hint = cpstats->move_name;
5458 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
5459 stats.an_move_count = cpstats->nr_moves;
5462 SetProgramStats( &stats );
5465 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
5466 { // [HGM] book: this routine intercepts moves to simulate book replies
5467 char *bookHit = NULL;
5469 //first determine if the incoming move brings opponent into his book
5470 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
5471 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
5472 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
5473 if(bookHit != NULL && !cps->bookSuspend) {
5474 // make sure opponent is not going to reply after receiving move to book position
5475 SendToProgram("force\n", cps);
5476 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
5478 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
5479 // now arrange restart after book miss
5481 // after a book hit we never send 'go', and the code after the call to this routine
5482 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
5484 if (cps->useUsermove) sprintf(buf, "usermove "); // sorry, no SAN yet :(
5485 sprintf(buf, "%s\n", bookHit); // force book move into program supposed to play it
5486 SendToProgram(buf, cps);
5487 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
5488 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
5489 SendToProgram("go\n", cps);
5490 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
5491 } else { // 'go' might be sent based on 'firstMove' after this routine returns
5492 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
5493 SendToProgram("go\n", cps);
5494 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
5496 return bookHit; // notify caller of hit, so it can take action to send move to opponent
5500 ChessProgramState *savedState;
5501 void DeferredBookMove(void)
5503 if(savedState->lastPing != savedState->lastPong)
5504 ScheduleDelayedEvent(DeferredBookMove, 10);
5506 HandleMachineMove(savedMessage, savedState);
5510 HandleMachineMove(message, cps)
5512 ChessProgramState *cps;
5514 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
5515 char realname[MSG_SIZ];
5516 int fromX, fromY, toX, toY;
5523 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
5525 * Kludge to ignore BEL characters
5527 while (*message == '\007') message++;
5530 * [HGM] engine debug message: ignore lines starting with '#' character
5532 if(cps->debug && *message == '#') return;
5535 * Look for book output
5537 if (cps == &first && bookRequested) {
5538 if (message[0] == '\t' || message[0] == ' ') {
5539 /* Part of the book output is here; append it */
5540 strcat(bookOutput, message);
5541 strcat(bookOutput, " \n");
5543 } else if (bookOutput[0] != NULLCHAR) {
5544 /* All of book output has arrived; display it */
5545 char *p = bookOutput;
5546 while (*p != NULLCHAR) {
5547 if (*p == '\t') *p = ' ';
5550 DisplayInformation(bookOutput);
5551 bookRequested = FALSE;
5552 /* Fall through to parse the current output */
5557 * Look for machine move.
5559 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
5560 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
5562 /* This method is only useful on engines that support ping */
5563 if (cps->lastPing != cps->lastPong) {
5564 if (gameMode == BeginningOfGame) {
5565 /* Extra move from before last new; ignore */
5566 if (appData.debugMode) {
5567 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
5570 if (appData.debugMode) {
5571 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
5572 cps->which, gameMode);
5575 SendToProgram("undo\n", cps);
5581 case BeginningOfGame:
5582 /* Extra move from before last reset; ignore */
5583 if (appData.debugMode) {
5584 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
5591 /* Extra move after we tried to stop. The mode test is
5592 not a reliable way of detecting this problem, but it's
5593 the best we can do on engines that don't support ping.
5595 if (appData.debugMode) {
5596 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
5597 cps->which, gameMode);
5599 SendToProgram("undo\n", cps);
5602 case MachinePlaysWhite:
5603 case IcsPlayingWhite:
5604 machineWhite = TRUE;
5607 case MachinePlaysBlack:
5608 case IcsPlayingBlack:
5609 machineWhite = FALSE;
5612 case TwoMachinesPlay:
5613 machineWhite = (cps->twoMachinesColor[0] == 'w');
5616 if (WhiteOnMove(forwardMostMove) != machineWhite) {
5617 if (appData.debugMode) {
5619 "Ignoring move out of turn by %s, gameMode %d"
5620 ", forwardMost %d\n",
5621 cps->which, gameMode, forwardMostMove);
5626 if (appData.debugMode) { int f = forwardMostMove;
5627 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
5628 castlingRights[f][0],castlingRights[f][1],castlingRights[f][2],castlingRights[f][3],castlingRights[f][4],castlingRights[f][5]);
5630 if(cps->alphaRank) AlphaRank(machineMove, 4);
5631 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
5632 &fromX, &fromY, &toX, &toY, &promoChar)) {
5633 /* Machine move could not be parsed; ignore it. */
5634 sprintf(buf1, _("Illegal move \"%s\" from %s machine"),
5635 machineMove, cps->which);
5636 DisplayError(buf1, 0);
5637 sprintf(buf1, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
5638 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
5639 if (gameMode == TwoMachinesPlay) {
5640 GameEnds(machineWhite ? BlackWins : WhiteWins,
5646 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
5647 /* So we have to redo legality test with true e.p. status here, */
5648 /* to make sure an illegal e.p. capture does not slip through, */
5649 /* to cause a forfeit on a justified illegal-move complaint */
5650 /* of the opponent. */
5651 if( gameMode==TwoMachinesPlay && appData.testLegality
5652 && fromY != DROP_RANK /* [HGM] temporary; should still add legality test for drops */
5655 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
5656 epStatus[forwardMostMove], castlingRights[forwardMostMove],
5657 fromY, fromX, toY, toX, promoChar);
5658 if (appData.debugMode) {
5660 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
5661 castlingRights[forwardMostMove][i], castlingRank[i]);
5662 fprintf(debugFP, "castling rights\n");
5664 if(moveType == IllegalMove) {
5665 sprintf(buf1, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
5666 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
5667 GameEnds(machineWhite ? BlackWins : WhiteWins,
5670 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
5671 /* [HGM] Kludge to handle engines that send FRC-style castling
5672 when they shouldn't (like TSCP-Gothic) */
5674 case WhiteASideCastleFR:
5675 case BlackASideCastleFR:
5677 currentMoveString[2]++;
5679 case WhiteHSideCastleFR:
5680 case BlackHSideCastleFR:
5682 currentMoveString[2]--;
5684 default: ; // nothing to do, but suppresses warning of pedantic compilers
5687 hintRequested = FALSE;
5688 lastHint[0] = NULLCHAR;
5689 bookRequested = FALSE;
5690 /* Program may be pondering now */
5691 cps->maybeThinking = TRUE;
5692 if (cps->sendTime == 2) cps->sendTime = 1;
5693 if (cps->offeredDraw) cps->offeredDraw--;
5696 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
5698 SendMoveToICS(moveType, fromX, fromY, toX, toY);
5700 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
5701 char buf[3*MSG_SIZ];
5703 sprintf(buf, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
5704 programStats.score / 100.,
5706 programStats.time / 100.,
5707 (unsigned int)programStats.nodes,
5708 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
5709 programStats.movelist);
5711 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
5715 /* currentMoveString is set as a side-effect of ParseOneMove */
5716 strcpy(machineMove, currentMoveString);
5717 strcat(machineMove, "\n");
5718 strcpy(moveList[forwardMostMove], machineMove);
5720 /* [AS] Save move info and clear stats for next move */
5721 pvInfoList[ forwardMostMove ].score = programStats.score;
5722 pvInfoList[ forwardMostMove ].depth = programStats.depth;
5723 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
5724 ClearProgramStats();
5725 thinkOutput[0] = NULLCHAR;
5726 hiddenThinkOutputState = 0;
5728 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
5730 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
5731 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
5734 while( count < adjudicateLossPlies ) {
5735 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
5738 score = -score; /* Flip score for winning side */
5741 if( score > adjudicateLossThreshold ) {
5748 if( count >= adjudicateLossPlies ) {
5749 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
5751 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
5752 "Xboard adjudication",
5759 if( gameMode == TwoMachinesPlay ) {
5760 // [HGM] some adjudications useful with buggy engines
5761 int k, count = 0, epFile = epStatus[forwardMostMove]; static int bare = 1;
5762 if(gameInfo.holdingsSize == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
5765 if( appData.testLegality )
5766 { /* [HGM] Some more adjudications for obstinate engines */
5767 int NrWN=0, NrBN=0, NrWB=0, NrBB=0, NrWR=0, NrBR=0,
5768 NrWQ=0, NrBQ=0, NrW=0, NrK=0, bishopsColor = 0,
5769 NrPieces=0, NrPawns=0, PawnAdvance=0, i, j;
5770 static int moveCount = 6;
5772 char *reason = NULL;
5774 /* Count what is on board. */
5775 for(i=0; i<BOARD_HEIGHT; i++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
5776 { ChessSquare p = boards[forwardMostMove][i][j];
5780 { /* count B,N,R and other of each side */
5783 NrK++; break; // [HGM] atomic: count Kings
5787 case WhiteFerz: // [HGM] shatranj: kludge to mke it work in shatranj
5788 bishopsColor |= 1 << ((i^j)&1);
5793 case BlackFerz: // [HGM] shatranj: kludge to mke it work in shatranj
5794 bishopsColor |= 1 << ((i^j)&1);
5809 PawnAdvance += m; NrPawns++;
5811 NrPieces += (p != EmptySquare);
5812 NrW += ((int)p < (int)BlackPawn);
5813 if(gameInfo.variant == VariantXiangqi &&
5814 (p == WhiteFerz || p == WhiteAlfil || p == BlackFerz || p == BlackAlfil)) {
5815 NrPieces--; // [HGM] XQ: do not count purely defensive pieces
5816 NrW -= ((int)p < (int)BlackPawn);
5820 /* Some material-based adjudications that have to be made before stalemate test */
5821 if(gameInfo.variant == VariantAtomic && NrK < 2) {
5822 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
5823 epStatus[forwardMostMove] = EP_CHECKMATE; // make claimable as if stm is checkmated
5824 if(appData.checkMates) {
5825 SendMoveToProgram(forwardMostMove-1, cps->other); // make sure opponent gets move
5826 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
5827 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
5828 "Xboard adjudication: King destroyed", GE_XBOARD );
5833 /* Bare King in Shatranj (loses) or Losers (wins) */
5834 if( NrW == 1 || NrPieces - NrW == 1) {
5835 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
5836 epStatus[forwardMostMove] = EP_WINS; // mark as win, so it becomes claimable
5837 if(appData.checkMates) {
5838 SendMoveToProgram(forwardMostMove-1, cps->other); // make sure opponent gets to see move
5839 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
5840 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
5841 "Xboard adjudication: Bare king", GE_XBOARD );
5845 if( gameInfo.variant == VariantShatranj && --bare < 0)
5847 epStatus[forwardMostMove] = EP_WINS; // make claimable as win for stm
5848 if(appData.checkMates) {
5849 /* but only adjudicate if adjudication enabled */
5850 SendMoveToProgram(forwardMostMove-1, cps->other); // make sure opponent gets move
5851 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
5852 GameEnds( NrW > 1 ? WhiteWins : NrPieces - NrW > 1 ? BlackWins : GameIsDrawn,
5853 "Xboard adjudication: Bare king", GE_XBOARD );
5860 // don't wait for engine to announce game end if we can judge ourselves
5861 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove), epFile,
5862 castlingRights[forwardMostMove]) ) {
5864 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
5865 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
5866 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
5867 if(MateTest(boards[i], PosFlags(i), epStatus[i], castlingRights[i]) == MT_CHECK)
5870 reason = "Xboard adjudication: 3rd check";
5871 epStatus[forwardMostMove] = EP_CHECKMATE;
5881 reason = "Xboard adjudication: Stalemate";
5882 if(epStatus[forwardMostMove] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
5883 epStatus[forwardMostMove] = EP_STALEMATE; // default result for stalemate is draw
5884 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
5885 epStatus[forwardMostMove] = EP_WINS; // in these variants stalemated is always a win
5886 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
5887 epStatus[forwardMostMove] = NrW == NrPieces-NrW ? EP_STALEMATE :
5888 ((NrW < NrPieces-NrW) != WhiteOnMove(forwardMostMove) ?
5889 EP_CHECKMATE : EP_WINS);
5890 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
5891 epStatus[forwardMostMove] = EP_CHECKMATE; // and in these variants being stalemated loses
5895 reason = "Xboard adjudication: Checkmate";
5896 epStatus[forwardMostMove] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
5900 switch(i = epStatus[forwardMostMove]) {
5902 result = GameIsDrawn; break;
5904 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
5906 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
5908 result = (ChessMove) 0;
5910 if(appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
5911 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
5912 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
5913 GameEnds( result, reason, GE_XBOARD );
5917 /* Next absolutely insufficient mating material. */
5918 if( NrPieces == 2 || gameInfo.variant != VariantXiangqi &&
5919 gameInfo.variant != VariantShatranj && // [HGM] baring will remain possible
5920 (NrPieces == 3 && NrWN+NrBN+NrWB+NrBB == 1 ||
5921 NrPieces == NrBB+NrWB+2 && bishopsColor != 3)) // [HGM] all Bishops (Ferz!) same color
5922 { /* KBK, KNK, KK of KBKB with like Bishops */
5924 /* always flag draws, for judging claims */
5925 epStatus[forwardMostMove] = EP_INSUF_DRAW;
5927 if(appData.materialDraws) {
5928 /* but only adjudicate them if adjudication enabled */
5929 SendToProgram("force\n", cps->other); // suppress reply
5930 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see last move */
5931 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
5932 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
5937 /* Then some trivial draws (only adjudicate, cannot be claimed) */
5939 ( NrWR == 1 && NrBR == 1 /* KRKR */
5940 || NrWQ==1 && NrBQ==1 /* KQKQ */
5941 || NrWN==2 || NrBN==2 /* KNNK */
5942 || NrWN+NrWB == 1 && NrBN+NrBB == 1 /* KBKN, KBKB, KNKN */
5944 if(--moveCount < 0 && appData.trivialDraws)
5945 { /* if the first 3 moves do not show a tactical win, declare draw */
5946 SendToProgram("force\n", cps->other); // suppress reply
5947 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
5948 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
5949 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
5952 } else moveCount = 6;
5956 if (appData.debugMode) { int i;
5957 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
5958 forwardMostMove, backwardMostMove, epStatus[backwardMostMove],
5959 appData.drawRepeats);
5960 for( i=forwardMostMove; i>=backwardMostMove; i-- )
5961 fprintf(debugFP, "%d ep=%d\n", i, epStatus[i]);
5965 /* Check for rep-draws */
5967 for(k = forwardMostMove-2;
5968 k>=backwardMostMove && k>=forwardMostMove-100 &&
5969 epStatus[k] < EP_UNKNOWN &&
5970 epStatus[k+2] <= EP_NONE && epStatus[k+1] <= EP_NONE;
5973 if(CompareBoards(boards[k], boards[forwardMostMove])) {
5974 /* compare castling rights */
5975 if( castlingRights[forwardMostMove][2] != castlingRights[k][2] &&
5976 (castlingRights[k][0] >= 0 || castlingRights[k][1] >= 0) )
5977 rights++; /* King lost rights, while rook still had them */
5978 if( castlingRights[forwardMostMove][2] >= 0 ) { /* king has rights */
5979 if( castlingRights[forwardMostMove][0] != castlingRights[k][0] ||
5980 castlingRights[forwardMostMove][1] != castlingRights[k][1] )
5981 rights++; /* but at least one rook lost them */
5983 if( castlingRights[forwardMostMove][5] != castlingRights[k][5] &&
5984 (castlingRights[k][3] >= 0 || castlingRights[k][4] >= 0) )
5986 if( castlingRights[forwardMostMove][5] >= 0 ) {
5987 if( castlingRights[forwardMostMove][3] != castlingRights[k][3] ||
5988 castlingRights[forwardMostMove][4] != castlingRights[k][4] )
5991 if( rights == 0 && ++count > appData.drawRepeats-2
5992 && appData.drawRepeats > 1) {
5993 /* adjudicate after user-specified nr of repeats */
5994 SendToProgram("force\n", cps->other); // suppress reply
5995 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
5996 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
5997 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
5998 // [HGM] xiangqi: check for forbidden perpetuals
5999 int m, ourPerpetual = 1, hisPerpetual = 1;
6000 for(m=forwardMostMove; m>k; m-=2) {
6001 if(MateTest(boards[m], PosFlags(m),
6002 EP_NONE, castlingRights[m]) != MT_CHECK)
6003 ourPerpetual = 0; // the current mover did not always check
6004 if(MateTest(boards[m-1], PosFlags(m-1),
6005 EP_NONE, castlingRights[m-1]) != MT_CHECK)
6006 hisPerpetual = 0; // the opponent did not always check
6008 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
6009 ourPerpetual, hisPerpetual);
6010 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
6011 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6012 "Xboard adjudication: perpetual checking", GE_XBOARD );
6015 if(hisPerpetual && !ourPerpetual) // he is checking us, but did not repeat yet
6016 break; // (or we would have caught him before). Abort repetition-checking loop.
6017 // Now check for perpetual chases
6018 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
6019 hisPerpetual = PerpetualChase(k, forwardMostMove);
6020 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
6021 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
6022 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6023 "Xboard adjudication: perpetual chasing", GE_XBOARD );
6026 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
6027 break; // Abort repetition-checking loop.
6029 // if neither of us is checking or chasing all the time, or both are, it is draw
6031 GameEnds( GameIsDrawn, "Xboard adjudication: repetition draw", GE_XBOARD );
6034 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
6035 epStatus[forwardMostMove] = EP_REP_DRAW;
6039 /* Now we test for 50-move draws. Determine ply count */
6040 count = forwardMostMove;
6041 /* look for last irreversble move */
6042 while( epStatus[count] <= EP_NONE && count > backwardMostMove )
6044 /* if we hit starting position, add initial plies */
6045 if( count == backwardMostMove )
6046 count -= initialRulePlies;
6047 count = forwardMostMove - count;
6049 epStatus[forwardMostMove] = EP_RULE_DRAW;
6050 /* this is used to judge if draw claims are legal */
6051 if(appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
6052 SendToProgram("force\n", cps->other); // suppress reply
6053 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
6054 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6055 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
6059 /* if draw offer is pending, treat it as a draw claim
6060 * when draw condition present, to allow engines a way to
6061 * claim draws before making their move to avoid a race
6062 * condition occurring after their move
6064 if( cps->other->offeredDraw || cps->offeredDraw ) {
6066 if(epStatus[forwardMostMove] == EP_RULE_DRAW)
6067 p = "Draw claim: 50-move rule";
6068 if(epStatus[forwardMostMove] == EP_REP_DRAW)
6069 p = "Draw claim: 3-fold repetition";
6070 if(epStatus[forwardMostMove] == EP_INSUF_DRAW)
6071 p = "Draw claim: insufficient mating material";
6073 SendToProgram("force\n", cps->other); // suppress reply
6074 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
6075 GameEnds( GameIsDrawn, p, GE_XBOARD );
6076 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6082 if( appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
6083 SendToProgram("force\n", cps->other); // suppress reply
6084 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
6085 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6087 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
6094 if (gameMode == TwoMachinesPlay) {
6095 /* [HGM] relaying draw offers moved to after reception of move */
6096 /* and interpreting offer as claim if it brings draw condition */
6097 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
6098 SendToProgram("draw\n", cps->other);
6100 if (cps->other->sendTime) {
6101 SendTimeRemaining(cps->other,
6102 cps->other->twoMachinesColor[0] == 'w');
6104 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
6105 if (firstMove && !bookHit) {
6107 if (cps->other->useColors) {
6108 SendToProgram(cps->other->twoMachinesColor, cps->other);
6110 SendToProgram("go\n", cps->other);
6112 cps->other->maybeThinking = TRUE;
6115 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6117 if (!pausing && appData.ringBellAfterMoves) {
6122 * Reenable menu items that were disabled while
6123 * machine was thinking
6125 if (gameMode != TwoMachinesPlay)
6126 SetUserThinkingEnables();
6128 // [HGM] book: after book hit opponent has received move and is now in force mode
6129 // force the book reply into it, and then fake that it outputted this move by jumping
6130 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
6132 static char bookMove[MSG_SIZ]; // a bit generous?
6134 strcpy(bookMove, "move ");
6135 strcat(bookMove, bookHit);
6138 programStats.nodes = programStats.depth = programStats.time =
6139 programStats.score = programStats.got_only_move = 0;
6140 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6142 if(cps->lastPing != cps->lastPong) {
6143 savedMessage = message; // args for deferred call
6145 ScheduleDelayedEvent(DeferredBookMove, 10);
6154 /* Set special modes for chess engines. Later something general
6155 * could be added here; for now there is just one kludge feature,
6156 * needed because Crafty 15.10 and earlier don't ignore SIGINT
6157 * when "xboard" is given as an interactive command.
6159 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
6160 cps->useSigint = FALSE;
6161 cps->useSigterm = FALSE;
6163 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
6164 ParseFeatures(message+8, cps);
6165 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
6168 /* [HGM] Allow engine to set up a position. Don't ask me why one would
6169 * want this, I was asked to put it in, and obliged.
6171 if (!strncmp(message, "setboard ", 9)) {
6172 Board initial_position; int i;
6174 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
6176 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
6177 DisplayError(_("Bad FEN received from engine"), 0);
6180 Reset(FALSE, FALSE);
6181 CopyBoard(boards[0], initial_position);
6182 initialRulePlies = FENrulePlies;
6183 epStatus[0] = FENepStatus;
6184 for( i=0; i<nrCastlingRights; i++ )
6185 castlingRights[0][i] = FENcastlingRights[i];
6186 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
6187 else gameMode = MachinePlaysBlack;
6188 DrawPosition(FALSE, boards[currentMove]);
6194 * Look for communication commands
6196 if (!strncmp(message, "telluser ", 9)) {
6197 DisplayNote(message + 9);
6200 if (!strncmp(message, "tellusererror ", 14)) {
6201 DisplayError(message + 14, 0);
6204 if (!strncmp(message, "tellopponent ", 13)) {
6205 if (appData.icsActive) {
6207 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
6211 DisplayNote(message + 13);
6215 if (!strncmp(message, "tellothers ", 11)) {
6216 if (appData.icsActive) {
6218 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
6224 if (!strncmp(message, "tellall ", 8)) {
6225 if (appData.icsActive) {
6227 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
6231 DisplayNote(message + 8);
6235 if (strncmp(message, "warning", 7) == 0) {
6236 /* Undocumented feature, use tellusererror in new code */
6237 DisplayError(message, 0);
6240 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
6241 strcpy(realname, cps->tidy);
6242 strcat(realname, " query");
6243 AskQuestion(realname, buf2, buf1, cps->pr);
6246 /* Commands from the engine directly to ICS. We don't allow these to be
6247 * sent until we are logged on. Crafty kibitzes have been known to
6248 * interfere with the login process.
6251 if (!strncmp(message, "tellics ", 8)) {
6252 SendToICS(message + 8);
6256 if (!strncmp(message, "tellicsnoalias ", 15)) {
6257 SendToICS(ics_prefix);
6258 SendToICS(message + 15);
6262 /* The following are for backward compatibility only */
6263 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
6264 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
6265 SendToICS(ics_prefix);
6271 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
6275 * If the move is illegal, cancel it and redraw the board.
6276 * Also deal with other error cases. Matching is rather loose
6277 * here to accommodate engines written before the spec.
6279 if (strncmp(message + 1, "llegal move", 11) == 0 ||
6280 strncmp(message, "Error", 5) == 0) {
6281 if (StrStr(message, "name") ||
6282 StrStr(message, "rating") || StrStr(message, "?") ||
6283 StrStr(message, "result") || StrStr(message, "board") ||
6284 StrStr(message, "bk") || StrStr(message, "computer") ||
6285 StrStr(message, "variant") || StrStr(message, "hint") ||
6286 StrStr(message, "random") || StrStr(message, "depth") ||
6287 StrStr(message, "accepted")) {
6290 if (StrStr(message, "protover")) {
6291 /* Program is responding to input, so it's apparently done
6292 initializing, and this error message indicates it is
6293 protocol version 1. So we don't need to wait any longer
6294 for it to initialize and send feature commands. */
6295 FeatureDone(cps, 1);
6296 cps->protocolVersion = 1;
6299 cps->maybeThinking = FALSE;
6301 if (StrStr(message, "draw")) {
6302 /* Program doesn't have "draw" command */
6303 cps->sendDrawOffers = 0;
6306 if (cps->sendTime != 1 &&
6307 (StrStr(message, "time") || StrStr(message, "otim"))) {
6308 /* Program apparently doesn't have "time" or "otim" command */
6312 if (StrStr(message, "analyze")) {
6313 cps->analysisSupport = FALSE;
6314 cps->analyzing = FALSE;
6316 sprintf(buf2, _("%s does not support analysis"), cps->tidy);
6317 DisplayError(buf2, 0);
6320 if (StrStr(message, "(no matching move)st")) {
6321 /* Special kludge for GNU Chess 4 only */
6322 cps->stKludge = TRUE;
6323 SendTimeControl(cps, movesPerSession, timeControl,
6324 timeIncrement, appData.searchDepth,
6328 if (StrStr(message, "(no matching move)sd")) {
6329 /* Special kludge for GNU Chess 4 only */
6330 cps->sdKludge = TRUE;
6331 SendTimeControl(cps, movesPerSession, timeControl,
6332 timeIncrement, appData.searchDepth,
6336 if (!StrStr(message, "llegal")) {
6339 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
6340 gameMode == IcsIdle) return;
6341 if (forwardMostMove <= backwardMostMove) return;
6342 if (pausing) PauseEvent();
6343 if(appData.forceIllegal) {
6344 // [HGM] illegal: machine refused move; force position after move into it
6345 SendToProgram("force\n", cps);
6346 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
6347 // we have a real problem now, as SendBoard will use the a2a3 kludge
6348 // when black is to move, while there might be nothing on a2 or black
6349 // might already have the move. So send the board as if white has the move.
6350 // But first we must change the stm of the engine, as it refused the last move
6351 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
6352 if(WhiteOnMove(forwardMostMove)) {
6353 SendToProgram("a7a6\n", cps); // for the engine black still had the move
6354 SendBoard(cps, forwardMostMove); // kludgeless board
6356 SendToProgram("a2a3\n", cps); // for the engine white still had the move
6357 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
6358 SendBoard(cps, forwardMostMove+1); // kludgeless board
6360 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
6361 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
6362 gameMode == TwoMachinesPlay)
6363 SendToProgram("go\n", cps);
6366 if (gameMode == PlayFromGameFile) {
6367 /* Stop reading this game file */
6368 gameMode = EditGame;
6371 currentMove = --forwardMostMove;
6372 DisplayMove(currentMove-1); /* before DisplayMoveError */
6374 DisplayBothClocks();
6375 sprintf(buf1, _("Illegal move \"%s\" (rejected by %s chess program)"),
6376 parseList[currentMove], cps->which);
6377 DisplayMoveError(buf1);
6378 DrawPosition(FALSE, boards[currentMove]);
6380 /* [HGM] illegal-move claim should forfeit game when Xboard */
6381 /* only passes fully legal moves */
6382 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
6383 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
6384 "False illegal-move claim", GE_XBOARD );
6388 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
6389 /* Program has a broken "time" command that
6390 outputs a string not ending in newline.
6396 * If chess program startup fails, exit with an error message.
6397 * Attempts to recover here are futile.
6399 if ((StrStr(message, "unknown host") != NULL)
6400 || (StrStr(message, "No remote directory") != NULL)
6401 || (StrStr(message, "not found") != NULL)
6402 || (StrStr(message, "No such file") != NULL)
6403 || (StrStr(message, "can't alloc") != NULL)
6404 || (StrStr(message, "Permission denied") != NULL)) {
6406 cps->maybeThinking = FALSE;
6407 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
6408 cps->which, cps->program, cps->host, message);
6409 RemoveInputSource(cps->isr);
6410 DisplayFatalError(buf1, 0, 1);
6415 * Look for hint output
6417 if (sscanf(message, "Hint: %s", buf1) == 1) {
6418 if (cps == &first && hintRequested) {
6419 hintRequested = FALSE;
6420 if (ParseOneMove(buf1, forwardMostMove, &moveType,
6421 &fromX, &fromY, &toX, &toY, &promoChar)) {
6422 (void) CoordsToAlgebraic(boards[forwardMostMove],
6423 PosFlags(forwardMostMove), EP_UNKNOWN,
6424 fromY, fromX, toY, toX, promoChar, buf1);
6425 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
6426 DisplayInformation(buf2);
6428 /* Hint move could not be parsed!? */
6429 snprintf(buf2, sizeof(buf2),
6430 _("Illegal hint move \"%s\"\nfrom %s chess program"),
6432 DisplayError(buf2, 0);
6435 strcpy(lastHint, buf1);
6441 * Ignore other messages if game is not in progress
6443 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
6444 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
6447 * look for win, lose, draw, or draw offer
6449 if (strncmp(message, "1-0", 3) == 0) {
6450 char *p, *q, *r = "";
6451 p = strchr(message, '{');
6459 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
6461 } else if (strncmp(message, "0-1", 3) == 0) {
6462 char *p, *q, *r = "";
6463 p = strchr(message, '{');
6471 /* Kludge for Arasan 4.1 bug */
6472 if (strcmp(r, "Black resigns") == 0) {
6473 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
6476 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
6478 } else if (strncmp(message, "1/2", 3) == 0) {
6479 char *p, *q, *r = "";
6480 p = strchr(message, '{');
6489 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
6492 } else if (strncmp(message, "White resign", 12) == 0) {
6493 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
6495 } else if (strncmp(message, "Black resign", 12) == 0) {
6496 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
6498 } else if (strncmp(message, "White matches", 13) == 0 ||
6499 strncmp(message, "Black matches", 13) == 0 ) {
6500 /* [HGM] ignore GNUShogi noises */
6502 } else if (strncmp(message, "White", 5) == 0 &&
6503 message[5] != '(' &&
6504 StrStr(message, "Black") == NULL) {
6505 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
6507 } else if (strncmp(message, "Black", 5) == 0 &&
6508 message[5] != '(') {
6509 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
6511 } else if (strcmp(message, "resign") == 0 ||
6512 strcmp(message, "computer resigns") == 0) {
6514 case MachinePlaysBlack:
6515 case IcsPlayingBlack:
6516 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
6518 case MachinePlaysWhite:
6519 case IcsPlayingWhite:
6520 GameEnds(BlackWins, "White resigns", GE_ENGINE);
6522 case TwoMachinesPlay:
6523 if (cps->twoMachinesColor[0] == 'w')
6524 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
6526 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
6533 } else if (strncmp(message, "opponent mates", 14) == 0) {
6535 case MachinePlaysBlack:
6536 case IcsPlayingBlack:
6537 GameEnds(WhiteWins, "White mates", GE_ENGINE);
6539 case MachinePlaysWhite:
6540 case IcsPlayingWhite:
6541 GameEnds(BlackWins, "Black mates", GE_ENGINE);
6543 case TwoMachinesPlay:
6544 if (cps->twoMachinesColor[0] == 'w')
6545 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
6547 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
6554 } else if (strncmp(message, "computer mates", 14) == 0) {
6556 case MachinePlaysBlack:
6557 case IcsPlayingBlack:
6558 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
6560 case MachinePlaysWhite:
6561 case IcsPlayingWhite:
6562 GameEnds(WhiteWins, "White mates", GE_ENGINE);
6564 case TwoMachinesPlay:
6565 if (cps->twoMachinesColor[0] == 'w')
6566 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
6568 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
6575 } else if (strncmp(message, "checkmate", 9) == 0) {
6576 if (WhiteOnMove(forwardMostMove)) {
6577 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
6579 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
6582 } else if (strstr(message, "Draw") != NULL ||
6583 strstr(message, "game is a draw") != NULL) {
6584 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
6586 } else if (strstr(message, "offer") != NULL &&
6587 strstr(message, "draw") != NULL) {
6589 if (appData.zippyPlay && first.initDone) {
6590 /* Relay offer to ICS */
6591 SendToICS(ics_prefix);
6592 SendToICS("draw\n");
6595 cps->offeredDraw = 2; /* valid until this engine moves twice */
6596 if (gameMode == TwoMachinesPlay) {
6597 if (cps->other->offeredDraw) {
6598 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
6599 /* [HGM] in two-machine mode we delay relaying draw offer */
6600 /* until after we also have move, to see if it is really claim */
6602 } else if (gameMode == MachinePlaysWhite ||
6603 gameMode == MachinePlaysBlack) {
6604 if (userOfferedDraw) {
6605 DisplayInformation(_("Machine accepts your draw offer"));
6606 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
6608 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
6615 * Look for thinking output
6617 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
6618 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
6620 int plylev, mvleft, mvtot, curscore, time;
6621 char mvname[MOVE_LEN];
6625 int prefixHint = FALSE;
6626 mvname[0] = NULLCHAR;
6629 case MachinePlaysBlack:
6630 case IcsPlayingBlack:
6631 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
6633 case MachinePlaysWhite:
6634 case IcsPlayingWhite:
6635 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
6640 case IcsObserving: /* [DM] icsEngineAnalyze */
6641 if (!appData.icsEngineAnalyze) ignore = TRUE;
6643 case TwoMachinesPlay:
6644 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
6655 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
6656 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
6658 if (plyext != ' ' && plyext != '\t') {
6662 /* [AS] Negate score if machine is playing black and reporting absolute scores */
6663 if( cps->scoreIsAbsolute &&
6664 ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) )
6666 curscore = -curscore;
6670 programStats.depth = plylev;
6671 programStats.nodes = nodes;
6672 programStats.time = time;
6673 programStats.score = curscore;
6674 programStats.got_only_move = 0;
6676 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
6679 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
6680 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
6681 if(WhiteOnMove(forwardMostMove))
6682 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
6683 else blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
6686 /* Buffer overflow protection */
6687 if (buf1[0] != NULLCHAR) {
6688 if (strlen(buf1) >= sizeof(programStats.movelist)
6689 && appData.debugMode) {
6691 "PV is too long; using the first %d bytes.\n",
6692 sizeof(programStats.movelist) - 1);
6695 safeStrCpy( programStats.movelist, buf1, sizeof(programStats.movelist) );
6697 sprintf(programStats.movelist, " no PV\n");
6700 if (programStats.seen_stat) {
6701 programStats.ok_to_send = 1;
6704 if (strchr(programStats.movelist, '(') != NULL) {
6705 programStats.line_is_book = 1;
6706 programStats.nr_moves = 0;
6707 programStats.moves_left = 0;
6709 programStats.line_is_book = 0;
6712 SendProgramStatsToFrontend( cps, &programStats );
6715 [AS] Protect the thinkOutput buffer from overflow... this
6716 is only useful if buf1 hasn't overflowed first!
6718 sprintf(thinkOutput, "[%d]%c%+.2f %s%s",
6720 (gameMode == TwoMachinesPlay ?
6721 ToUpper(cps->twoMachinesColor[0]) : ' '),
6722 ((double) curscore) / 100.0,
6723 prefixHint ? lastHint : "",
6724 prefixHint ? " " : "" );
6726 if( buf1[0] != NULLCHAR ) {
6727 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
6729 if( strlen(buf1) > max_len ) {
6730 if( appData.debugMode) {
6731 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
6733 buf1[max_len+1] = '\0';
6736 strcat( thinkOutput, buf1 );
6739 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
6740 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
6741 DisplayMove(currentMove - 1);
6746 } else if ((p=StrStr(message, "(only move)")) != NULL) {
6747 /* crafty (9.25+) says "(only move) <move>"
6748 * if there is only 1 legal move
6750 sscanf(p, "(only move) %s", buf1);
6751 sprintf(thinkOutput, "%s (only move)", buf1);
6752 sprintf(programStats.movelist, "%s (only move)", buf1);
6753 programStats.depth = 1;
6754 programStats.nr_moves = 1;
6755 programStats.moves_left = 1;
6756 programStats.nodes = 1;
6757 programStats.time = 1;
6758 programStats.got_only_move = 1;
6760 /* Not really, but we also use this member to
6761 mean "line isn't going to change" (Crafty
6762 isn't searching, so stats won't change) */
6763 programStats.line_is_book = 1;
6765 SendProgramStatsToFrontend( cps, &programStats );
6767 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
6768 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
6769 DisplayMove(currentMove - 1);
6773 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
6774 &time, &nodes, &plylev, &mvleft,
6775 &mvtot, mvname) >= 5) {
6776 /* The stat01: line is from Crafty (9.29+) in response
6777 to the "." command */
6778 programStats.seen_stat = 1;
6779 cps->maybeThinking = TRUE;
6781 if (programStats.got_only_move || !appData.periodicUpdates)
6784 programStats.depth = plylev;
6785 programStats.time = time;
6786 programStats.nodes = nodes;
6787 programStats.moves_left = mvleft;
6788 programStats.nr_moves = mvtot;
6789 strcpy(programStats.move_name, mvname);
6790 programStats.ok_to_send = 1;
6791 programStats.movelist[0] = '\0';
6793 SendProgramStatsToFrontend( cps, &programStats );
6798 } else if (strncmp(message,"++",2) == 0) {
6799 /* Crafty 9.29+ outputs this */
6800 programStats.got_fail = 2;
6803 } else if (strncmp(message,"--",2) == 0) {
6804 /* Crafty 9.29+ outputs this */
6805 programStats.got_fail = 1;
6808 } else if (thinkOutput[0] != NULLCHAR &&
6809 strncmp(message, " ", 4) == 0) {
6810 unsigned message_len;
6813 while (*p && *p == ' ') p++;
6815 message_len = strlen( p );
6817 /* [AS] Avoid buffer overflow */
6818 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
6819 strcat(thinkOutput, " ");
6820 strcat(thinkOutput, p);
6823 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
6824 strcat(programStats.movelist, " ");
6825 strcat(programStats.movelist, p);
6828 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
6829 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
6830 DisplayMove(currentMove - 1);
6839 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
6840 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
6842 ChessProgramStats cpstats;
6844 if (plyext != ' ' && plyext != '\t') {
6848 /* [AS] Negate score if machine is playing black and reporting absolute scores */
6849 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
6850 curscore = -curscore;
6853 cpstats.depth = plylev;
6854 cpstats.nodes = nodes;
6855 cpstats.time = time;
6856 cpstats.score = curscore;
6857 cpstats.got_only_move = 0;
6858 cpstats.movelist[0] = '\0';
6860 if (buf1[0] != NULLCHAR) {
6861 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist) );
6864 cpstats.ok_to_send = 0;
6865 cpstats.line_is_book = 0;
6866 cpstats.nr_moves = 0;
6867 cpstats.moves_left = 0;
6869 SendProgramStatsToFrontend( cps, &cpstats );
6876 /* Parse a game score from the character string "game", and
6877 record it as the history of the current game. The game
6878 score is NOT assumed to start from the standard position.
6879 The display is not updated in any way.
6882 ParseGameHistory(game)
6886 int fromX, fromY, toX, toY, boardIndex;
6891 if (appData.debugMode)
6892 fprintf(debugFP, "Parsing game history: %s\n", game);
6894 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
6895 gameInfo.site = StrSave(appData.icsHost);
6896 gameInfo.date = PGNDate();
6897 gameInfo.round = StrSave("-");
6899 /* Parse out names of players */
6900 while (*game == ' ') game++;
6902 while (*game != ' ') *p++ = *game++;
6904 gameInfo.white = StrSave(buf);
6905 while (*game == ' ') game++;
6907 while (*game != ' ' && *game != '\n') *p++ = *game++;
6909 gameInfo.black = StrSave(buf);
6912 boardIndex = blackPlaysFirst ? 1 : 0;
6915 yyboardindex = boardIndex;
6916 moveType = (ChessMove) yylex();
6918 case IllegalMove: /* maybe suicide chess, etc. */
6919 if (appData.debugMode) {
6920 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
6921 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
6922 setbuf(debugFP, NULL);
6924 case WhitePromotionChancellor:
6925 case BlackPromotionChancellor:
6926 case WhitePromotionArchbishop:
6927 case BlackPromotionArchbishop:
6928 case WhitePromotionQueen:
6929 case BlackPromotionQueen:
6930 case WhitePromotionRook:
6931 case BlackPromotionRook:
6932 case WhitePromotionBishop:
6933 case BlackPromotionBishop:
6934 case WhitePromotionKnight:
6935 case BlackPromotionKnight:
6936 case WhitePromotionKing:
6937 case BlackPromotionKing:
6939 case WhiteCapturesEnPassant:
6940 case BlackCapturesEnPassant:
6941 case WhiteKingSideCastle:
6942 case WhiteQueenSideCastle:
6943 case BlackKingSideCastle:
6944 case BlackQueenSideCastle:
6945 case WhiteKingSideCastleWild:
6946 case WhiteQueenSideCastleWild:
6947 case BlackKingSideCastleWild:
6948 case BlackQueenSideCastleWild:
6950 case WhiteHSideCastleFR:
6951 case WhiteASideCastleFR:
6952 case BlackHSideCastleFR:
6953 case BlackASideCastleFR:
6955 fromX = currentMoveString[0] - AAA;
6956 fromY = currentMoveString[1] - ONE;
6957 toX = currentMoveString[2] - AAA;
6958 toY = currentMoveString[3] - ONE;
6959 promoChar = currentMoveString[4];
6963 fromX = moveType == WhiteDrop ?
6964 (int) CharToPiece(ToUpper(currentMoveString[0])) :
6965 (int) CharToPiece(ToLower(currentMoveString[0]));
6967 toX = currentMoveString[2] - AAA;
6968 toY = currentMoveString[3] - ONE;
6969 promoChar = NULLCHAR;
6973 sprintf(buf, _("Ambiguous move in ICS output: \"%s\""), yy_text);
6974 if (appData.debugMode) {
6975 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
6976 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
6977 setbuf(debugFP, NULL);
6979 DisplayError(buf, 0);
6981 case ImpossibleMove:
6983 sprintf(buf, _("Illegal move in ICS output: \"%s\""), yy_text);
6984 if (appData.debugMode) {
6985 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
6986 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
6987 setbuf(debugFP, NULL);
6989 DisplayError(buf, 0);
6991 case (ChessMove) 0: /* end of file */
6992 if (boardIndex < backwardMostMove) {
6993 /* Oops, gap. How did that happen? */
6994 DisplayError(_("Gap in move list"), 0);
6997 backwardMostMove = blackPlaysFirst ? 1 : 0;
6998 if (boardIndex > forwardMostMove) {
6999 forwardMostMove = boardIndex;
7003 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
7004 strcat(parseList[boardIndex-1], " ");
7005 strcat(parseList[boardIndex-1], yy_text);
7017 case GameUnfinished:
7018 if (gameMode == IcsExamining) {
7019 if (boardIndex < backwardMostMove) {
7020 /* Oops, gap. How did that happen? */
7023 backwardMostMove = blackPlaysFirst ? 1 : 0;
7026 gameInfo.result = moveType;
7027 p = strchr(yy_text, '{');
7028 if (p == NULL) p = strchr(yy_text, '(');
7031 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
7033 q = strchr(p, *p == '{' ? '}' : ')');
7034 if (q != NULL) *q = NULLCHAR;
7037 gameInfo.resultDetails = StrSave(p);
7040 if (boardIndex >= forwardMostMove &&
7041 !(gameMode == IcsObserving && ics_gamenum == -1)) {
7042 backwardMostMove = blackPlaysFirst ? 1 : 0;
7045 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
7046 EP_UNKNOWN, fromY, fromX, toY, toX, promoChar,
7047 parseList[boardIndex]);
7048 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
7049 {int i; for(i=0; i<BOARD_SIZE; i++) castlingRights[boardIndex+1][i] = castlingRights[boardIndex][i];}
7050 /* currentMoveString is set as a side-effect of yylex */
7051 strcpy(moveList[boardIndex], currentMoveString);
7052 strcat(moveList[boardIndex], "\n");
7054 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex],
7055 castlingRights[boardIndex], &epStatus[boardIndex]);
7056 switch (MateTest(boards[boardIndex], PosFlags(boardIndex),
7057 EP_UNKNOWN, castlingRights[boardIndex]) ) {
7063 if(gameInfo.variant != VariantShogi)
7064 strcat(parseList[boardIndex - 1], "+");
7068 strcat(parseList[boardIndex - 1], "#");
7075 /* Apply a move to the given board */
7077 ApplyMove(fromX, fromY, toX, toY, promoChar, board, castling, ep)
7078 int fromX, fromY, toX, toY;
7084 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
7086 /* [HGM] compute & store e.p. status and castling rights for new position */
7087 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
7090 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
7094 if( board[toY][toX] != EmptySquare )
7097 if( board[fromY][fromX] == WhitePawn ) {
7098 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
7101 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
7102 gameInfo.variant != VariantBerolina || toX < fromX)
7103 *ep = toX | berolina;
7104 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
7105 gameInfo.variant != VariantBerolina || toX > fromX)
7109 if( board[fromY][fromX] == BlackPawn ) {
7110 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
7112 if( toY-fromY== -2) {
7113 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
7114 gameInfo.variant != VariantBerolina || toX < fromX)
7115 *ep = toX | berolina;
7116 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
7117 gameInfo.variant != VariantBerolina || toX > fromX)
7122 for(i=0; i<nrCastlingRights; i++) {
7123 if(castling[i] == fromX && castlingRank[i] == fromY ||
7124 castling[i] == toX && castlingRank[i] == toY
7125 ) castling[i] = -1; // revoke for moved or captured piece
7130 /* [HGM] In Shatranj and Courier all promotions are to Ferz */
7131 if((gameInfo.variant==VariantShatranj || gameInfo.variant==VariantCourier)
7132 && promoChar != 0) promoChar = PieceToChar(WhiteFerz);
7134 if (fromX == toX && fromY == toY) return;
7136 if (fromY == DROP_RANK) {
7138 piece = board[toY][toX] = (ChessSquare) fromX;
7140 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
7141 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
7142 if(gameInfo.variant == VariantKnightmate)
7143 king += (int) WhiteUnicorn - (int) WhiteKing;
7145 /* Code added by Tord: */
7146 /* FRC castling assumed when king captures friendly rook. */
7147 if (board[fromY][fromX] == WhiteKing &&
7148 board[toY][toX] == WhiteRook) {
7149 board[fromY][fromX] = EmptySquare;
7150 board[toY][toX] = EmptySquare;
7152 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
7154 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
7156 } else if (board[fromY][fromX] == BlackKing &&
7157 board[toY][toX] == BlackRook) {
7158 board[fromY][fromX] = EmptySquare;
7159 board[toY][toX] = EmptySquare;
7161 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
7163 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
7165 /* End of code added by Tord */
7167 } else if (board[fromY][fromX] == king
7168 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
7169 && toY == fromY && toX > fromX+1) {
7170 board[fromY][fromX] = EmptySquare;
7171 board[toY][toX] = king;
7172 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
7173 board[fromY][BOARD_RGHT-1] = EmptySquare;
7174 } else if (board[fromY][fromX] == king
7175 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
7176 && toY == fromY && toX < fromX-1) {
7177 board[fromY][fromX] = EmptySquare;
7178 board[toY][toX] = king;
7179 board[toY][toX+1] = board[fromY][BOARD_LEFT];
7180 board[fromY][BOARD_LEFT] = EmptySquare;
7181 } else if (board[fromY][fromX] == WhitePawn
7182 && toY == BOARD_HEIGHT-1
7183 && gameInfo.variant != VariantXiangqi
7185 /* white pawn promotion */
7186 board[toY][toX] = CharToPiece(ToUpper(promoChar));
7187 if (board[toY][toX] == EmptySquare) {
7188 board[toY][toX] = WhiteQueen;
7190 if(gameInfo.variant==VariantBughouse ||
7191 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
7192 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
7193 board[fromY][fromX] = EmptySquare;
7194 } else if ((fromY == BOARD_HEIGHT-4)
7196 && gameInfo.variant != VariantXiangqi
7197 && gameInfo.variant != VariantBerolina
7198 && (board[fromY][fromX] == WhitePawn)
7199 && (board[toY][toX] == EmptySquare)) {
7200 board[fromY][fromX] = EmptySquare;
7201 board[toY][toX] = WhitePawn;
7202 captured = board[toY - 1][toX];
7203 board[toY - 1][toX] = EmptySquare;
7204 } else if ((fromY == BOARD_HEIGHT-4)
7206 && gameInfo.variant == VariantBerolina
7207 && (board[fromY][fromX] == WhitePawn)
7208 && (board[toY][toX] == EmptySquare)) {
7209 board[fromY][fromX] = EmptySquare;
7210 board[toY][toX] = WhitePawn;
7211 if(oldEP & EP_BEROLIN_A) {
7212 captured = board[fromY][fromX-1];
7213 board[fromY][fromX-1] = EmptySquare;
7214 }else{ captured = board[fromY][fromX+1];
7215 board[fromY][fromX+1] = EmptySquare;
7217 } else if (board[fromY][fromX] == king
7218 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
7219 && toY == fromY && toX > fromX+1) {
7220 board[fromY][fromX] = EmptySquare;
7221 board[toY][toX] = king;
7222 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
7223 board[fromY][BOARD_RGHT-1] = EmptySquare;
7224 } else if (board[fromY][fromX] == king
7225 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
7226 && toY == fromY && toX < fromX-1) {
7227 board[fromY][fromX] = EmptySquare;
7228 board[toY][toX] = king;
7229 board[toY][toX+1] = board[fromY][BOARD_LEFT];
7230 board[fromY][BOARD_LEFT] = EmptySquare;
7231 } else if (fromY == 7 && fromX == 3
7232 && board[fromY][fromX] == BlackKing
7233 && toY == 7 && toX == 5) {
7234 board[fromY][fromX] = EmptySquare;
7235 board[toY][toX] = BlackKing;
7236 board[fromY][7] = EmptySquare;
7237 board[toY][4] = BlackRook;
7238 } else if (fromY == 7 && fromX == 3
7239 && board[fromY][fromX] == BlackKing
7240 && toY == 7 && toX == 1) {
7241 board[fromY][fromX] = EmptySquare;
7242 board[toY][toX] = BlackKing;
7243 board[fromY][0] = EmptySquare;
7244 board[toY][2] = BlackRook;
7245 } else if (board[fromY][fromX] == BlackPawn
7247 && gameInfo.variant != VariantXiangqi
7249 /* black pawn promotion */
7250 board[0][toX] = CharToPiece(ToLower(promoChar));
7251 if (board[0][toX] == EmptySquare) {
7252 board[0][toX] = BlackQueen;
7254 if(gameInfo.variant==VariantBughouse ||
7255 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
7256 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
7257 board[fromY][fromX] = EmptySquare;
7258 } else if ((fromY == 3)
7260 && gameInfo.variant != VariantXiangqi
7261 && gameInfo.variant != VariantBerolina
7262 && (board[fromY][fromX] == BlackPawn)
7263 && (board[toY][toX] == EmptySquare)) {
7264 board[fromY][fromX] = EmptySquare;
7265 board[toY][toX] = BlackPawn;
7266 captured = board[toY + 1][toX];
7267 board[toY + 1][toX] = EmptySquare;
7268 } else if ((fromY == 3)
7270 && gameInfo.variant == VariantBerolina
7271 && (board[fromY][fromX] == BlackPawn)
7272 && (board[toY][toX] == EmptySquare)) {
7273 board[fromY][fromX] = EmptySquare;
7274 board[toY][toX] = BlackPawn;
7275 if(oldEP & EP_BEROLIN_A) {
7276 captured = board[fromY][fromX-1];
7277 board[fromY][fromX-1] = EmptySquare;
7278 }else{ captured = board[fromY][fromX+1];
7279 board[fromY][fromX+1] = EmptySquare;
7282 board[toY][toX] = board[fromY][fromX];
7283 board[fromY][fromX] = EmptySquare;
7286 /* [HGM] now we promote for Shogi, if needed */
7287 if(gameInfo.variant == VariantShogi && promoChar == 'q')
7288 board[toY][toX] = (ChessSquare) (PROMOTED piece);
7291 if (gameInfo.holdingsWidth != 0) {
7293 /* !!A lot more code needs to be written to support holdings */
7294 /* [HGM] OK, so I have written it. Holdings are stored in the */
7295 /* penultimate board files, so they are automaticlly stored */
7296 /* in the game history. */
7297 if (fromY == DROP_RANK) {
7298 /* Delete from holdings, by decreasing count */
7299 /* and erasing image if necessary */
7301 if(p < (int) BlackPawn) { /* white drop */
7302 p -= (int)WhitePawn;
7303 if(p >= gameInfo.holdingsSize) p = 0;
7304 if(--board[p][BOARD_WIDTH-2] == 0)
7305 board[p][BOARD_WIDTH-1] = EmptySquare;
7306 } else { /* black drop */
7307 p -= (int)BlackPawn;
7308 if(p >= gameInfo.holdingsSize) p = 0;
7309 if(--board[BOARD_HEIGHT-1-p][1] == 0)
7310 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
7313 if (captured != EmptySquare && gameInfo.holdingsSize > 0
7314 && gameInfo.variant != VariantBughouse ) {
7315 /* [HGM] holdings: Add to holdings, if holdings exist */
7316 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
7317 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
7318 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
7321 if (p >= (int) BlackPawn) {
7322 p -= (int)BlackPawn;
7323 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
7324 /* in Shogi restore piece to its original first */
7325 captured = (ChessSquare) (DEMOTED captured);
7328 p = PieceToNumber((ChessSquare)p);
7329 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
7330 board[p][BOARD_WIDTH-2]++;
7331 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
7333 p -= (int)WhitePawn;
7334 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
7335 captured = (ChessSquare) (DEMOTED captured);
7338 p = PieceToNumber((ChessSquare)p);
7339 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
7340 board[BOARD_HEIGHT-1-p][1]++;
7341 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
7345 } else if (gameInfo.variant == VariantAtomic) {
7346 if (captured != EmptySquare) {
7348 for (y = toY-1; y <= toY+1; y++) {
7349 for (x = toX-1; x <= toX+1; x++) {
7350 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
7351 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
7352 board[y][x] = EmptySquare;
7356 board[toY][toX] = EmptySquare;
7359 if(gameInfo.variant == VariantShogi && promoChar != NULLCHAR && promoChar != '=') {
7360 /* [HGM] Shogi promotions */
7361 board[toY][toX] = (ChessSquare) (PROMOTED piece);
7364 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
7365 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
7366 // [HGM] superchess: take promotion piece out of holdings
7367 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
7368 if((int)piece < (int)BlackPawn) { // determine stm from piece color
7369 if(!--board[k][BOARD_WIDTH-2])
7370 board[k][BOARD_WIDTH-1] = EmptySquare;
7372 if(!--board[BOARD_HEIGHT-1-k][1])
7373 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
7379 /* Updates forwardMostMove */
7381 MakeMove(fromX, fromY, toX, toY, promoChar)
7382 int fromX, fromY, toX, toY;
7385 // forwardMostMove++; // [HGM] bare: moved downstream
7387 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
7388 int timeLeft; static int lastLoadFlag=0; int king, piece;
7389 piece = boards[forwardMostMove][fromY][fromX];
7390 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
7391 if(gameInfo.variant == VariantKnightmate)
7392 king += (int) WhiteUnicorn - (int) WhiteKing;
7393 if(forwardMostMove == 0) {
7395 fprintf(serverMoves, "%s;", second.tidy);
7396 fprintf(serverMoves, "%s;", first.tidy);
7397 if(!blackPlaysFirst)
7398 fprintf(serverMoves, "%s;", second.tidy);
7399 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
7400 lastLoadFlag = loadFlag;
7402 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
7403 // print castling suffix
7404 if( toY == fromY && piece == king ) {
7406 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
7408 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
7411 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
7412 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
7413 boards[forwardMostMove][toY][toX] == EmptySquare
7415 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
7417 if(promoChar != NULLCHAR)
7418 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
7420 fprintf(serverMoves, "/%d/%d",
7421 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
7422 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
7423 else timeLeft = blackTimeRemaining/1000;
7424 fprintf(serverMoves, "/%d", timeLeft);
7426 fflush(serverMoves);
7429 if (forwardMostMove+1 >= MAX_MOVES) {
7430 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
7434 if (commentList[forwardMostMove+1] != NULL) {
7435 free(commentList[forwardMostMove+1]);
7436 commentList[forwardMostMove+1] = NULL;
7438 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7439 {int i; for(i=0; i<BOARD_SIZE; i++) castlingRights[forwardMostMove+1][i] = castlingRights[forwardMostMove][i];}
7440 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1],
7441 castlingRights[forwardMostMove+1], &epStatus[forwardMostMove+1]);
7442 forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
7443 SwitchClocks(); // uses forwardMostMove, so must be done after incrementing it !
7444 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
7445 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
7446 gameInfo.result = GameUnfinished;
7447 if (gameInfo.resultDetails != NULL) {
7448 free(gameInfo.resultDetails);
7449 gameInfo.resultDetails = NULL;
7451 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
7452 moveList[forwardMostMove - 1]);
7453 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
7454 PosFlags(forwardMostMove - 1), EP_UNKNOWN,
7455 fromY, fromX, toY, toX, promoChar,
7456 parseList[forwardMostMove - 1]);
7457 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7458 epStatus[forwardMostMove], /* [HGM] use true e.p. */
7459 castlingRights[forwardMostMove]) ) {
7465 if(gameInfo.variant != VariantShogi)
7466 strcat(parseList[forwardMostMove - 1], "+");
7470 strcat(parseList[forwardMostMove - 1], "#");
7473 if (appData.debugMode) {
7474 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
7479 /* Updates currentMove if not pausing */
7481 ShowMove(fromX, fromY, toX, toY)
7483 int instant = (gameMode == PlayFromGameFile) ?
7484 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
7486 if(appData.noGUI) return;
7488 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile)
7492 if (forwardMostMove == currentMove + 1)
7495 // AnimateMove(boards[forwardMostMove - 1],
7496 // fromX, fromY, toX, toY);
7498 if (appData.highlightLastMove)
7500 SetHighlights(fromX, fromY, toX, toY);
7503 currentMove = forwardMostMove;
7506 if (instant) return;
7508 DisplayMove(currentMove - 1);
7509 DrawPosition(FALSE, boards[currentMove]);
7510 DisplayBothClocks();
7511 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
7516 void SendEgtPath(ChessProgramState *cps)
7517 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
7518 char buf[MSG_SIZ], name[MSG_SIZ], *p;
7520 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
7523 char c, *q = name+1, *r, *s;
7525 name[0] = ','; // extract next format name from feature and copy with prefixed ','
7526 while(*p && *p != ',') *q++ = *p++;
7528 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
7529 strcmp(name, ",nalimov:") == 0 ) {
7530 // take nalimov path from the menu-changeable option first, if it is defined
7531 sprintf(buf, "egtpath nalimov %s\n", appData.defaultPathEGTB);
7532 SendToProgram(buf,cps); // send egtbpath command for nalimov
7534 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
7535 (s = StrStr(appData.egtFormats, name)) != NULL) {
7536 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
7537 s = r = StrStr(s, ":") + 1; // beginning of path info
7538 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
7539 c = *r; *r = 0; // temporarily null-terminate path info
7540 *--q = 0; // strip of trailig ':' from name
7541 sprintf(buf, "egtpath %s %s\n", name+1, s);
7543 SendToProgram(buf,cps); // send egtbpath command for this format
7545 if(*p == ',') p++; // read away comma to position for next format name
7550 InitChessProgram(cps, setup)
7551 ChessProgramState *cps;
7552 int setup; /* [HGM] needed to setup FRC opening position */
7554 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
7555 if (appData.noChessProgram) return;
7556 hintRequested = FALSE;
7557 bookRequested = FALSE;
7559 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
7560 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
7561 if(cps->memSize) { /* [HGM] memory */
7562 sprintf(buf, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
7563 SendToProgram(buf, cps);
7565 SendEgtPath(cps); /* [HGM] EGT */
7566 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
7567 sprintf(buf, "cores %d\n", appData.smpCores);
7568 SendToProgram(buf, cps);
7571 SendToProgram(cps->initString, cps);
7572 if (gameInfo.variant != VariantNormal &&
7573 gameInfo.variant != VariantLoadable
7574 /* [HGM] also send variant if board size non-standard */
7575 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
7577 char *v = VariantName(gameInfo.variant);
7578 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
7579 /* [HGM] in protocol 1 we have to assume all variants valid */
7580 sprintf(buf, _("Variant %s not supported by %s"), v, cps->tidy);
7581 DisplayFatalError(buf, 0, 1);
7585 /* [HGM] make prefix for non-standard board size. Awkward testing... */
7586 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
7587 if( gameInfo.variant == VariantXiangqi )
7588 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
7589 if( gameInfo.variant == VariantShogi )
7590 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
7591 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
7592 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
7593 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
7594 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
7595 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
7596 if( gameInfo.variant == VariantCourier )
7597 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
7598 if( gameInfo.variant == VariantSuper )
7599 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
7600 if( gameInfo.variant == VariantGreat )
7601 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
7604 sprintf(b, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
7605 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
7606 /* [HGM] varsize: try first if this defiant size variant is specifically known */
7607 if(StrStr(cps->variants, b) == NULL) {
7608 // specific sized variant not known, check if general sizing allowed
7609 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
7610 if(StrStr(cps->variants, "boardsize") == NULL) {
7611 sprintf(buf, "Board size %dx%d+%d not supported by %s",
7612 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
7613 DisplayFatalError(buf, 0, 1);
7616 /* [HGM] here we really should compare with the maximum supported board size */
7619 } else sprintf(b, "%s", VariantName(gameInfo.variant));
7620 sprintf(buf, "variant %s\n", b);
7621 SendToProgram(buf, cps);
7623 currentlyInitializedVariant = gameInfo.variant;
7625 /* [HGM] send opening position in FRC to first engine */
7627 SendToProgram("force\n", cps);
7629 /* engine is now in force mode! Set flag to wake it up after first move. */
7630 setboardSpoiledMachineBlack = 1;
7634 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
7635 SendToProgram(buf, cps);
7637 cps->maybeThinking = FALSE;
7638 cps->offeredDraw = 0;
7639 if (!appData.icsActive) {
7640 SendTimeControl(cps, movesPerSession, timeControl,
7641 timeIncrement, appData.searchDepth,
7644 if (appData.showThinking
7645 // [HGM] thinking: four options require thinking output to be sent
7646 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7648 SendToProgram("post\n", cps);
7650 SendToProgram("hard\n", cps);
7651 if (!appData.ponderNextMove) {
7652 /* Warning: "easy" is a toggle in GNU Chess, so don't send
7653 it without being sure what state we are in first. "hard"
7654 is not a toggle, so that one is OK.
7656 SendToProgram("easy\n", cps);
7659 sprintf(buf, "ping %d\n", ++cps->lastPing);
7660 SendToProgram(buf, cps);
7662 cps->initDone = TRUE;
7667 StartChessProgram(cps)
7668 ChessProgramState *cps;
7673 if (appData.noChessProgram) return;
7674 cps->initDone = FALSE;
7676 if (strcmp(cps->host, "localhost") == 0) {
7677 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
7678 } else if (*appData.remoteShell == NULLCHAR) {
7679 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
7681 if (*appData.remoteUser == NULLCHAR) {
7682 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
7685 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
7686 cps->host, appData.remoteUser, cps->program);
7688 err = StartChildProcess(buf, "", &cps->pr);
7692 sprintf(buf, _("Startup failure on '%s'"), cps->program);
7693 DisplayFatalError(buf, err, 1);
7699 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
7700 if (cps->protocolVersion > 1) {
7701 sprintf(buf, "xboard\nprotover %d\n", cps->protocolVersion);
7702 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
7703 cps->comboCnt = 0; // and values of combo boxes
7704 SendToProgram(buf, cps);
7706 SendToProgram("xboard\n", cps);
7712 TwoMachinesEventIfReady P((void))
7714 if (first.lastPing != first.lastPong) {
7715 DisplayMessage("", _("Waiting for first chess program"));
7716 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
7719 if (second.lastPing != second.lastPong) {
7720 DisplayMessage("", _("Waiting for second chess program"));
7721 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
7729 NextMatchGame P((void))
7731 int index; /* [HGM] autoinc: step lod index during match */
7733 if (*appData.loadGameFile != NULLCHAR) {
7734 index = appData.loadGameIndex;
7735 if(index < 0) { // [HGM] autoinc
7736 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
7737 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
7739 LoadGameFromFile(appData.loadGameFile,
7741 appData.loadGameFile, FALSE);
7742 } else if (*appData.loadPositionFile != NULLCHAR) {
7743 index = appData.loadPositionIndex;
7744 if(index < 0) { // [HGM] autoinc
7745 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
7746 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
7748 LoadPositionFromFile(appData.loadPositionFile,
7750 appData.loadPositionFile);
7752 TwoMachinesEventIfReady();
7755 void UserAdjudicationEvent( int result )
7757 ChessMove gameResult = GameIsDrawn;
7760 gameResult = WhiteWins;
7762 else if( result < 0 ) {
7763 gameResult = BlackWins;
7766 if( gameMode == TwoMachinesPlay ) {
7767 GameEnds( gameResult, "User adjudication", GE_XBOARD );
7772 // [HGM] save: calculate checksum of game to make games easily identifiable
7773 int StringCheckSum(char *s)
7776 if(s==NULL) return 0;
7777 while(*s) i = i*259 + *s++;
7784 for(i=backwardMostMove; i<forwardMostMove; i++) {
7785 sum += pvInfoList[i].depth;
7786 sum += StringCheckSum(parseList[i]);
7787 sum += StringCheckSum(commentList[i]);
7790 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
7791 return sum + StringCheckSum(commentList[i]);
7792 } // end of save patch
7795 GameEnds(result, resultDetails, whosays)
7797 char *resultDetails;
7800 GameMode nextGameMode;
7804 if(endingGame) return; /* [HGM] crash: forbid recursion */
7807 if (appData.debugMode) {
7808 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
7809 result, resultDetails ? resultDetails : "(null)", whosays);
7812 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
7813 /* If we are playing on ICS, the server decides when the
7814 game is over, but the engine can offer to draw, claim
7818 if (appData.zippyPlay && first.initDone) {
7819 if (result == GameIsDrawn) {
7820 /* In case draw still needs to be claimed */
7821 SendToICS(ics_prefix);
7822 SendToICS("draw\n");
7823 } else if (StrCaseStr(resultDetails, "resign")) {
7824 SendToICS(ics_prefix);
7825 SendToICS("resign\n");
7829 endingGame = 0; /* [HGM] crash */
7833 /* If we're loading the game from a file, stop */
7834 if (whosays == GE_FILE) {
7835 (void) StopLoadGameTimer();
7839 /* Cancel draw offers */
7840 first.offeredDraw = second.offeredDraw = 0;
7842 /* If this is an ICS game, only ICS can really say it's done;
7843 if not, anyone can. */
7844 isIcsGame = (gameMode == IcsPlayingWhite ||
7845 gameMode == IcsPlayingBlack ||
7846 gameMode == IcsObserving ||
7847 gameMode == IcsExamining);
7849 if (!isIcsGame || whosays == GE_ICS) {
7850 /* OK -- not an ICS game, or ICS said it was done */
7852 if (!isIcsGame && !appData.noChessProgram)
7853 SetUserThinkingEnables();
7855 /* [HGM] if a machine claims the game end we verify this claim */
7856 if(gameMode == TwoMachinesPlay && appData.testClaims) {
7857 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
7859 ChessMove trueResult = (ChessMove) -1;
7861 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
7862 first.twoMachinesColor[0] :
7863 second.twoMachinesColor[0] ;
7865 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
7866 if(epStatus[forwardMostMove] == EP_CHECKMATE) {
7867 /* [HGM] verify: engine mate claims accepted if they were flagged */
7868 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
7870 if(epStatus[forwardMostMove] == EP_WINS) { // added code for games where being mated is a win
7871 /* [HGM] verify: engine mate claims accepted if they were flagged */
7872 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7874 if(epStatus[forwardMostMove] == EP_STALEMATE) { // only used to indicate draws now
7875 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
7878 // now verify win claims, but not in drop games, as we don't understand those yet
7879 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
7880 || gameInfo.variant == VariantGreat) &&
7881 (result == WhiteWins && claimer == 'w' ||
7882 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
7883 if (appData.debugMode) {
7884 fprintf(debugFP, "result=%d sp=%d move=%d\n",
7885 result, epStatus[forwardMostMove], forwardMostMove);
7887 if(result != trueResult) {
7888 sprintf(buf, "False win claim: '%s'", resultDetails);
7889 result = claimer == 'w' ? BlackWins : WhiteWins;
7890 resultDetails = buf;
7893 if( result == GameIsDrawn && epStatus[forwardMostMove] > EP_DRAWS
7894 && (forwardMostMove <= backwardMostMove ||
7895 epStatus[forwardMostMove-1] > EP_DRAWS ||
7896 (claimer=='b')==(forwardMostMove&1))
7898 /* [HGM] verify: draws that were not flagged are false claims */
7899 sprintf(buf, "False draw claim: '%s'", resultDetails);
7900 result = claimer == 'w' ? BlackWins : WhiteWins;
7901 resultDetails = buf;
7903 /* (Claiming a loss is accepted no questions asked!) */
7906 /* [HGM] bare: don't allow bare King to win */
7907 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
7908 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
7909 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
7910 && result != GameIsDrawn)
7911 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
7912 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
7913 int p = (int)boards[forwardMostMove][i][j] - color;
7914 if(p >= 0 && p <= (int)WhiteKing) k++;
7916 if (appData.debugMode) {
7917 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
7918 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
7921 result = GameIsDrawn;
7922 sprintf(buf, "%s but bare king", resultDetails);
7923 resultDetails = buf;
7928 if(serverMoves != NULL && !loadFlag) { char c = '=';
7929 if(result==WhiteWins) c = '+';
7930 if(result==BlackWins) c = '-';
7931 if(resultDetails != NULL)
7932 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
7934 if (resultDetails != NULL) {
7935 gameInfo.result = result;
7936 gameInfo.resultDetails = StrSave(resultDetails);
7938 /* display last move only if game was not loaded from file */
7939 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
7940 DisplayMove(currentMove - 1);
7942 if (forwardMostMove != 0) {
7943 if (gameMode != PlayFromGameFile && gameMode != EditGame
7944 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
7946 if (*appData.saveGameFile != NULLCHAR) {
7947 SaveGameToFile(appData.saveGameFile, TRUE);
7948 } else if (appData.autoSaveGames) {
7951 if (*appData.savePositionFile != NULLCHAR) {
7952 SavePositionToFile(appData.savePositionFile);
7957 /* Tell program how game ended in case it is learning */
7958 /* [HGM] Moved this to after saving the PGN, just in case */
7959 /* engine died and we got here through time loss. In that */
7960 /* case we will get a fatal error writing the pipe, which */
7961 /* would otherwise lose us the PGN. */
7962 /* [HGM] crash: not needed anymore, but doesn't hurt; */
7963 /* output during GameEnds should never be fatal anymore */
7964 if (gameMode == MachinePlaysWhite ||
7965 gameMode == MachinePlaysBlack ||
7966 gameMode == TwoMachinesPlay ||
7967 gameMode == IcsPlayingWhite ||
7968 gameMode == IcsPlayingBlack ||
7969 gameMode == BeginningOfGame) {
7971 sprintf(buf, "result %s {%s}\n", PGNResult(result),
7973 if (first.pr != NoProc) {
7974 SendToProgram(buf, &first);
7976 if (second.pr != NoProc &&
7977 gameMode == TwoMachinesPlay) {
7978 SendToProgram(buf, &second);
7983 if (appData.icsActive) {
7984 if (appData.quietPlay &&
7985 (gameMode == IcsPlayingWhite ||
7986 gameMode == IcsPlayingBlack)) {
7987 SendToICS(ics_prefix);
7988 SendToICS("set shout 1\n");
7990 nextGameMode = IcsIdle;
7991 ics_user_moved = FALSE;
7992 /* clean up premove. It's ugly when the game has ended and the
7993 * premove highlights are still on the board.
7997 ClearPremoveHighlights();
7998 DrawPosition(FALSE, boards[currentMove]);
8000 if (whosays == GE_ICS) {
8003 if (gameMode == IcsPlayingWhite)
8005 else if(gameMode == IcsPlayingBlack)
8009 if (gameMode == IcsPlayingBlack)
8011 else if(gameMode == IcsPlayingWhite)
8018 PlayIcsUnfinishedSound();
8021 } else if (gameMode == EditGame ||
8022 gameMode == PlayFromGameFile ||
8023 gameMode == AnalyzeMode ||
8024 gameMode == AnalyzeFile) {
8025 nextGameMode = gameMode;
8027 nextGameMode = EndOfGame;
8032 nextGameMode = gameMode;
8035 if (appData.noChessProgram) {
8036 gameMode = nextGameMode;
8038 endingGame = 0; /* [HGM] crash */
8043 /* Put first chess program into idle state */
8044 if (first.pr != NoProc &&
8045 (gameMode == MachinePlaysWhite ||
8046 gameMode == MachinePlaysBlack ||
8047 gameMode == TwoMachinesPlay ||
8048 gameMode == IcsPlayingWhite ||
8049 gameMode == IcsPlayingBlack ||
8050 gameMode == BeginningOfGame)) {
8051 SendToProgram("force\n", &first);
8052 if (first.usePing) {
8054 sprintf(buf, "ping %d\n", ++first.lastPing);
8055 SendToProgram(buf, &first);
8058 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
8059 /* Kill off first chess program */
8060 if (first.isr != NULL)
8061 RemoveInputSource(first.isr);
8064 if (first.pr != NoProc) {
8066 DoSleep( appData.delayBeforeQuit );
8067 SendToProgram("quit\n", &first);
8068 DoSleep( appData.delayAfterQuit );
8069 DestroyChildProcess(first.pr, first.useSigterm);
8074 /* Put second chess program into idle state */
8075 if (second.pr != NoProc &&
8076 gameMode == TwoMachinesPlay) {
8077 SendToProgram("force\n", &second);
8078 if (second.usePing) {
8080 sprintf(buf, "ping %d\n", ++second.lastPing);
8081 SendToProgram(buf, &second);
8084 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
8085 /* Kill off second chess program */
8086 if (second.isr != NULL)
8087 RemoveInputSource(second.isr);
8090 if (second.pr != NoProc) {
8091 DoSleep( appData.delayBeforeQuit );
8092 SendToProgram("quit\n", &second);
8093 DoSleep( appData.delayAfterQuit );
8094 DestroyChildProcess(second.pr, second.useSigterm);
8099 if (matchMode && gameMode == TwoMachinesPlay) {
8102 if (first.twoMachinesColor[0] == 'w') {
8109 if (first.twoMachinesColor[0] == 'b') {
8118 if (matchGame < appData.matchGames) {
8120 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
8121 tmp = first.twoMachinesColor;
8122 first.twoMachinesColor = second.twoMachinesColor;
8123 second.twoMachinesColor = tmp;
8125 gameMode = nextGameMode;
8127 if(appData.matchPause>10000 || appData.matchPause<10)
8128 appData.matchPause = 10000; /* [HGM] make pause adjustable */
8129 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
8130 endingGame = 0; /* [HGM] crash */
8134 gameMode = nextGameMode;
8135 sprintf(buf, _("Match %s vs. %s: final score %d-%d-%d"),
8136 first.tidy, second.tidy,
8137 first.matchWins, second.matchWins,
8138 appData.matchGames - (first.matchWins + second.matchWins));
8139 DisplayFatalError(buf, 0, 0);
8142 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
8143 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
8145 gameMode = nextGameMode;
8147 endingGame = 0; /* [HGM] crash */
8150 /* Assumes program was just initialized (initString sent).
8151 Leaves program in force mode. */
8153 FeedMovesToProgram(cps, upto)
8154 ChessProgramState *cps;
8159 if (appData.debugMode)
8160 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
8161 startedFromSetupPosition ? "position and " : "",
8162 backwardMostMove, upto, cps->which);
8163 if(currentlyInitializedVariant != gameInfo.variant) { char buf[MSG_SIZ];
8164 // [HGM] variantswitch: make engine aware of new variant
8165 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
8166 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
8167 sprintf(buf, "variant %s\n", VariantName(gameInfo.variant));
8168 SendToProgram(buf, cps);
8169 currentlyInitializedVariant = gameInfo.variant;
8171 SendToProgram("force\n", cps);
8172 if (startedFromSetupPosition) {
8173 SendBoard(cps, backwardMostMove);
8174 if (appData.debugMode) {
8175 fprintf(debugFP, "feedMoves\n");
8178 for (i = backwardMostMove; i < upto; i++) {
8179 SendMoveToProgram(i, cps);
8185 ResurrectChessProgram()
8187 /* The chess program may have exited.
8188 If so, restart it and feed it all the moves made so far. */
8190 if (appData.noChessProgram || first.pr != NoProc) return;
8192 StartChessProgram(&first);
8193 InitChessProgram(&first, FALSE);
8194 FeedMovesToProgram(&first, currentMove);
8196 if (!first.sendTime) {
8197 /* can't tell gnuchess what its clock should read,
8198 so we bow to its notion. */
8200 timeRemaining[0][currentMove] = whiteTimeRemaining;
8201 timeRemaining[1][currentMove] = blackTimeRemaining;
8204 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
8205 appData.icsEngineAnalyze) && first.analysisSupport) {
8206 SendToProgram("analyze\n", &first);
8207 first.analyzing = TRUE;
8220 if (appData.debugMode) {
8221 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
8222 redraw, init, gameMode);
8224 pausing = pauseExamInvalid = FALSE;
8225 startedFromSetupPosition = blackPlaysFirst = FALSE;
8227 whiteFlag = blackFlag = FALSE;
8228 userOfferedDraw = FALSE;
8229 hintRequested = bookRequested = FALSE;
8230 first.maybeThinking = FALSE;
8231 second.maybeThinking = FALSE;
8232 first.bookSuspend = FALSE; // [HGM] book
8233 second.bookSuspend = FALSE;
8234 thinkOutput[0] = NULLCHAR;
8235 lastHint[0] = NULLCHAR;
8236 ClearGameInfo(&gameInfo);
8237 gameInfo.variant = StringToVariant(appData.variant);
8238 ics_user_moved = ics_clock_paused = FALSE;
8239 ics_getting_history = H_FALSE;
8241 white_holding[0] = black_holding[0] = NULLCHAR;
8242 ClearProgramStats();
8243 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
8247 flipView = appData.flipView;
8248 ClearPremoveHighlights();
8250 alarmSounded = FALSE;
8252 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
8253 if(appData.serverMovesName != NULL) {
8254 /* [HGM] prepare to make moves file for broadcasting */
8255 clock_t t = clock();
8256 if(serverMoves != NULL) fclose(serverMoves);
8257 serverMoves = fopen(appData.serverMovesName, "r");
8258 if(serverMoves != NULL) {
8259 fclose(serverMoves);
8260 /* delay 15 sec before overwriting, so all clients can see end */
8261 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
8263 serverMoves = fopen(appData.serverMovesName, "w");
8267 gameMode = BeginningOfGame;
8270 if(appData.icsActive) gameInfo.variant = VariantNormal;
8271 currentMove = forwardMostMove = backwardMostMove = 0;
8272 InitPosition(redraw);
8273 for (i = 0; i < MAX_MOVES; i++) {
8274 if (commentList[i] != NULL) {
8275 free(commentList[i]);
8276 commentList[i] = NULL;
8281 timeRemaining[0][0] = whiteTimeRemaining;
8282 timeRemaining[1][0] = blackTimeRemaining;
8283 if (first.pr == NULL) {
8284 StartChessProgram(&first);
8287 InitChessProgram(&first, startedFromSetupPosition);
8291 DisplayMessage("", "");
8292 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
8293 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
8301 if (!AutoPlayOneMove())
8303 if (matchMode || appData.timeDelay == 0)
8305 if (appData.timeDelay < 0 || gameMode == AnalyzeFile)
8307 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
8316 int fromX, fromY, toX, toY;
8318 if (appData.debugMode) {
8319 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
8322 if (gameMode != PlayFromGameFile)
8325 if (currentMove >= forwardMostMove) {
8326 gameMode = EditGame;
8329 /* [AS] Clear current move marker at the end of a game */
8330 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
8335 toX = moveList[currentMove][2] - AAA;
8336 toY = moveList[currentMove][3] - ONE;
8338 if (moveList[currentMove][1] == '@') {
8339 if (appData.highlightLastMove) {
8340 SetHighlights(-1, -1, toX, toY);
8343 fromX = moveList[currentMove][0] - AAA;
8344 fromY = moveList[currentMove][1] - ONE;
8346 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
8348 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
8350 if (appData.highlightLastMove) {
8351 SetHighlights(fromX, fromY, toX, toY);
8354 DisplayMove(currentMove);
8355 SendMoveToProgram(currentMove++, &first);
8356 DisplayBothClocks();
8357 DrawPosition(FALSE, boards[currentMove]);
8358 // [HGM] PV info: always display, routine tests if empty
8359 DisplayComment(currentMove - 1, commentList[currentMove]);
8365 LoadGameOneMove(readAhead)
8366 ChessMove readAhead;
8368 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
8369 char promoChar = NULLCHAR;
8374 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
8375 gameMode != AnalyzeMode && gameMode != Training) {
8380 yyboardindex = forwardMostMove;
8381 if (readAhead != (ChessMove)0) {
8382 moveType = readAhead;
8384 if (gameFileFP == NULL)
8386 moveType = (ChessMove) yylex();
8392 if (appData.debugMode)
8393 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
8395 if (*p == '{' || *p == '[' || *p == '(') {
8396 p[strlen(p) - 1] = NULLCHAR;
8400 /* append the comment but don't display it */
8401 while (*p == '\n') p++;
8402 AppendComment(currentMove, p);
8405 case WhiteCapturesEnPassant:
8406 case BlackCapturesEnPassant:
8407 case WhitePromotionChancellor:
8408 case BlackPromotionChancellor:
8409 case WhitePromotionArchbishop:
8410 case BlackPromotionArchbishop:
8411 case WhitePromotionCentaur:
8412 case BlackPromotionCentaur:
8413 case WhitePromotionQueen:
8414 case BlackPromotionQueen:
8415 case WhitePromotionRook:
8416 case BlackPromotionRook:
8417 case WhitePromotionBishop:
8418 case BlackPromotionBishop:
8419 case WhitePromotionKnight:
8420 case BlackPromotionKnight:
8421 case WhitePromotionKing:
8422 case BlackPromotionKing:
8424 case WhiteKingSideCastle:
8425 case WhiteQueenSideCastle:
8426 case BlackKingSideCastle:
8427 case BlackQueenSideCastle:
8428 case WhiteKingSideCastleWild:
8429 case WhiteQueenSideCastleWild:
8430 case BlackKingSideCastleWild:
8431 case BlackQueenSideCastleWild:
8433 case WhiteHSideCastleFR:
8434 case WhiteASideCastleFR:
8435 case BlackHSideCastleFR:
8436 case BlackASideCastleFR:
8438 if (appData.debugMode)
8439 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
8440 fromX = currentMoveString[0] - AAA;
8441 fromY = currentMoveString[1] - ONE;
8442 toX = currentMoveString[2] - AAA;
8443 toY = currentMoveString[3] - ONE;
8444 promoChar = currentMoveString[4];
8449 if (appData.debugMode)
8450 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
8451 fromX = moveType == WhiteDrop ?
8452 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8453 (int) CharToPiece(ToLower(currentMoveString[0]));
8455 toX = currentMoveString[2] - AAA;
8456 toY = currentMoveString[3] - ONE;
8462 case GameUnfinished:
8463 if (appData.debugMode)
8464 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
8465 p = strchr(yy_text, '{');
8466 if (p == NULL) p = strchr(yy_text, '(');
8469 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8471 q = strchr(p, *p == '{' ? '}' : ')');
8472 if (q != NULL) *q = NULLCHAR;
8475 GameEnds(moveType, p, GE_FILE);
8477 if (cmailMsgLoaded) {
8479 flipView = WhiteOnMove(currentMove);
8480 if (moveType == GameUnfinished) flipView = !flipView;
8481 if (appData.debugMode)
8482 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
8486 case (ChessMove) 0: /* end of file */
8487 if (appData.debugMode)
8488 fprintf(debugFP, "Parser hit end of file\n");
8489 switch (MateTest(boards[currentMove], PosFlags(currentMove),
8490 EP_UNKNOWN, castlingRights[currentMove]) ) {
8496 if (WhiteOnMove(currentMove)) {
8497 GameEnds(BlackWins, "Black mates", GE_FILE);
8499 GameEnds(WhiteWins, "White mates", GE_FILE);
8503 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
8510 if (lastLoadGameStart == GNUChessGame) {
8511 /* GNUChessGames have numbers, but they aren't move numbers */
8512 if (appData.debugMode)
8513 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
8514 yy_text, (int) moveType);
8515 return LoadGameOneMove((ChessMove)0); /* tail recursion */
8517 /* else fall thru */
8522 /* Reached start of next game in file */
8523 if (appData.debugMode)
8524 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
8525 switch (MateTest(boards[currentMove], PosFlags(currentMove),
8526 EP_UNKNOWN, castlingRights[currentMove]) ) {
8532 if (WhiteOnMove(currentMove)) {
8533 GameEnds(BlackWins, "Black mates", GE_FILE);
8535 GameEnds(WhiteWins, "White mates", GE_FILE);
8539 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
8545 case PositionDiagram: /* should not happen; ignore */
8546 case ElapsedTime: /* ignore */
8547 case NAG: /* ignore */
8548 if (appData.debugMode)
8549 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
8550 yy_text, (int) moveType);
8551 return LoadGameOneMove((ChessMove)0); /* tail recursion */
8554 if (appData.testLegality) {
8555 if (appData.debugMode)
8556 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
8557 sprintf(move, _("Illegal move: %d.%s%s"),
8558 (forwardMostMove / 2) + 1,
8559 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
8560 DisplayError(move, 0);
8563 if (appData.debugMode)
8564 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
8565 yy_text, currentMoveString);
8566 fromX = currentMoveString[0] - AAA;
8567 fromY = currentMoveString[1] - ONE;
8568 toX = currentMoveString[2] - AAA;
8569 toY = currentMoveString[3] - ONE;
8570 promoChar = currentMoveString[4];
8575 if (appData.debugMode)
8576 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
8577 sprintf(move, _("Ambiguous move: %d.%s%s"),
8578 (forwardMostMove / 2) + 1,
8579 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
8580 DisplayError(move, 0);
8585 case ImpossibleMove:
8586 if (appData.debugMode)
8587 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
8588 sprintf(move, _("Illegal move: %d.%s%s"),
8589 (forwardMostMove / 2) + 1,
8590 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
8591 DisplayError(move, 0);
8597 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
8598 DrawPosition(FALSE, boards[currentMove]);
8599 DisplayBothClocks();
8600 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
8601 DisplayComment(currentMove - 1, commentList[currentMove]);
8603 (void) StopLoadGameTimer();
8605 cmailOldMove = forwardMostMove;
8608 /* currentMoveString is set as a side-effect of yylex */
8609 strcat(currentMoveString, "\n");
8610 strcpy(moveList[forwardMostMove], currentMoveString);
8612 thinkOutput[0] = NULLCHAR;
8613 MakeMove(fromX, fromY, toX, toY, promoChar);
8614 currentMove = forwardMostMove;
8619 /* Load the nth game from the given file */
8621 LoadGameFromFile(filename, n, title, useList)
8625 /*Boolean*/ int useList;
8630 if (strcmp(filename, "-") == 0) {
8634 f = fopen(filename, "rb");
8636 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
8637 DisplayError(buf, errno);
8641 if (fseek(f, 0, 0) == -1) {
8642 /* f is not seekable; probably a pipe */
8645 if (useList && n == 0) {
8646 int error = GameListBuild(f);
8648 DisplayError(_("Cannot build game list"), error);
8649 } else if (!ListEmpty(&gameList) &&
8650 ((ListGame *) gameList.tailPred)->number > 1) {
8651 GameListPopUp(f, title);
8658 return LoadGame(f, n, title, FALSE);
8663 MakeRegisteredMove()
8665 int fromX, fromY, toX, toY;
8667 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
8668 switch (cmailMoveType[lastLoadGameNumber - 1]) {
8671 if (appData.debugMode)
8672 fprintf(debugFP, "Restoring %s for game %d\n",
8673 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
8675 thinkOutput[0] = NULLCHAR;
8676 strcpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1]);
8677 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
8678 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
8679 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
8680 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
8681 promoChar = cmailMove[lastLoadGameNumber - 1][4];
8682 MakeMove(fromX, fromY, toX, toY, promoChar);
8683 ShowMove(fromX, fromY, toX, toY);
8685 switch (MateTest(boards[currentMove], PosFlags(currentMove),
8686 EP_UNKNOWN, castlingRights[currentMove]) ) {
8693 if (WhiteOnMove(currentMove)) {
8694 GameEnds(BlackWins, "Black mates", GE_PLAYER);
8696 GameEnds(WhiteWins, "White mates", GE_PLAYER);
8701 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
8708 if (WhiteOnMove(currentMove)) {
8709 GameEnds(BlackWins, "White resigns", GE_PLAYER);
8711 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
8716 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
8727 /* Wrapper around LoadGame for use when a Cmail message is loaded */
8729 CmailLoadGame(f, gameNumber, title, useList)
8737 if (gameNumber > nCmailGames) {
8738 DisplayError(_("No more games in this message"), 0);
8741 if (f == lastLoadGameFP) {
8742 int offset = gameNumber - lastLoadGameNumber;
8744 cmailMsg[0] = NULLCHAR;
8745 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
8746 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
8747 nCmailMovesRegistered--;
8749 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
8750 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
8751 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
8754 if (! RegisterMove()) return FALSE;
8758 retVal = LoadGame(f, gameNumber, title, useList);
8760 /* Make move registered during previous look at this game, if any */
8761 MakeRegisteredMove();
8763 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
8764 commentList[currentMove]
8765 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
8766 DisplayComment(currentMove - 1, commentList[currentMove]);
8772 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
8777 int gameNumber = lastLoadGameNumber + offset;
8778 if (lastLoadGameFP == NULL) {
8779 DisplayError(_("No game has been loaded yet"), 0);
8782 if (gameNumber <= 0) {
8783 DisplayError(_("Can't back up any further"), 0);
8786 if (cmailMsgLoaded) {
8787 return CmailLoadGame(lastLoadGameFP, gameNumber,
8788 lastLoadGameTitle, lastLoadGameUseList);
8790 return LoadGame(lastLoadGameFP, gameNumber,
8791 lastLoadGameTitle, lastLoadGameUseList);
8797 /* Load the nth game from open file f */
8799 LoadGame(f, gameNumber, title, useList)
8807 int gn = gameNumber;
8808 ListGame *lg = NULL;
8811 GameMode oldGameMode;
8812 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
8814 if (appData.debugMode)
8815 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
8817 if (gameMode == Training )
8818 SetTrainingModeOff();
8820 oldGameMode = gameMode;
8821 if (gameMode != BeginningOfGame)
8827 if (lastLoadGameFP != NULL && lastLoadGameFP != f)
8829 fclose(lastLoadGameFP);
8834 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
8838 fseek(f, lg->offset, 0);
8839 GameListHighlight(gameNumber);
8844 DisplayError(_("Game number out of range"), 0);
8851 if (fseek(f, 0, 0) == -1)
8853 if (f == lastLoadGameFP ?
8854 gameNumber == lastLoadGameNumber + 1 :
8861 DisplayError(_("Can't seek on game file"), 0);
8868 lastLoadGameNumber = gameNumber;
8869 strcpy(lastLoadGameTitle, title);
8870 lastLoadGameUseList = useList;
8874 if (lg && lg->gameInfo.white && lg->gameInfo.black)
8876 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
8877 lg->gameInfo.black);
8880 else if (*title != NULLCHAR)
8884 sprintf(buf, "%s %d", title, gameNumber);
8889 DisplayTitle(title);
8893 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode)
8895 gameMode = PlayFromGameFile;
8899 currentMove = forwardMostMove = backwardMostMove = 0;
8900 CopyBoard(boards[0], initialPosition);
8904 * Skip the first gn-1 games in the file.
8905 * Also skip over anything that precedes an identifiable
8906 * start of game marker, to avoid being confused by
8907 * garbage at the start of the file. Currently
8908 * recognized start of game markers are the move number "1",
8909 * the pattern "gnuchess .* game", the pattern
8910 * "^[#;%] [^ ]* game file", and a PGN tag block.
8911 * A game that starts with one of the latter two patterns
8912 * will also have a move number 1, possibly
8913 * following a position diagram.
8914 * 5-4-02: Let's try being more lenient and allowing a game to
8915 * start with an unnumbered move. Does that break anything?
8917 cm = lastLoadGameStart = (ChessMove) 0;
8919 yyboardindex = forwardMostMove;
8920 cm = (ChessMove) yylex();
8923 if (cmailMsgLoaded) {
8924 nCmailGames = CMAIL_MAX_GAMES - gn;
8927 DisplayError(_("Game not found in file"), 0);
8934 lastLoadGameStart = cm;
8938 switch (lastLoadGameStart) {
8945 gn--; /* count this game */
8946 lastLoadGameStart = cm;
8955 switch (lastLoadGameStart) {
8960 gn--; /* count this game */
8961 lastLoadGameStart = cm;
8964 lastLoadGameStart = cm; /* game counted already */
8972 yyboardindex = forwardMostMove;
8973 cm = (ChessMove) yylex();
8974 } while (cm == PGNTag || cm == Comment);
8981 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
8982 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
8983 != CMAIL_OLD_RESULT) {
8985 cmailResult[ CMAIL_MAX_GAMES
8986 - gn - 1] = CMAIL_OLD_RESULT;
8992 /* Only a NormalMove can be at the start of a game
8993 * without a position diagram. */
8994 if (lastLoadGameStart == (ChessMove) 0) {
8996 lastLoadGameStart = MoveNumberOne;
9005 if (appData.debugMode)
9006 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
9008 if (cm == XBoardGame) {
9009 /* Skip any header junk before position diagram and/or move 1 */
9011 yyboardindex = forwardMostMove;
9012 cm = (ChessMove) yylex();
9014 if (cm == (ChessMove) 0 ||
9015 cm == GNUChessGame || cm == XBoardGame) {
9016 /* Empty game; pretend end-of-file and handle later */
9021 if (cm == MoveNumberOne || cm == PositionDiagram ||
9022 cm == PGNTag || cm == Comment)
9025 } else if (cm == GNUChessGame) {
9026 if (gameInfo.event != NULL) {
9027 free(gameInfo.event);
9029 gameInfo.event = StrSave(yy_text);
9032 startedFromSetupPosition = FALSE;
9033 while (cm == PGNTag) {
9034 if (appData.debugMode)
9035 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
9036 err = ParsePGNTag(yy_text, &gameInfo);
9037 if (!err) numPGNTags++;
9039 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
9040 if(gameInfo.variant != oldVariant) {
9041 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
9043 oldVariant = gameInfo.variant;
9044 if (appData.debugMode)
9045 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
9049 if (gameInfo.fen != NULL) {
9050 Board initial_position;
9051 startedFromSetupPosition = TRUE;
9052 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
9054 DisplayError(_("Bad FEN position in file"), 0);
9057 CopyBoard(boards[0], initial_position);
9058 if (blackPlaysFirst) {
9059 currentMove = forwardMostMove = backwardMostMove = 1;
9060 CopyBoard(boards[1], initial_position);
9061 strcpy(moveList[0], "");
9062 strcpy(parseList[0], "");
9063 timeRemaining[0][1] = whiteTimeRemaining;
9064 timeRemaining[1][1] = blackTimeRemaining;
9065 if (commentList[0] != NULL) {
9066 commentList[1] = commentList[0];
9067 commentList[0] = NULL;
9070 currentMove = forwardMostMove = backwardMostMove = 0;
9072 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
9074 initialRulePlies = FENrulePlies;
9075 epStatus[forwardMostMove] = FENepStatus;
9076 for( i=0; i< nrCastlingRights; i++ )
9077 initialRights[i] = castlingRights[forwardMostMove][i] = FENcastlingRights[i];
9079 yyboardindex = forwardMostMove;
9081 gameInfo.fen = NULL;
9084 yyboardindex = forwardMostMove;
9085 cm = (ChessMove) yylex();
9087 /* Handle comments interspersed among the tags */
9088 while (cm == Comment) {
9090 if (appData.debugMode)
9091 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9093 if (*p == '{' || *p == '[' || *p == '(') {
9094 p[strlen(p) - 1] = NULLCHAR;
9097 while (*p == '\n') p++;
9098 AppendComment(currentMove, p);
9099 yyboardindex = forwardMostMove;
9100 cm = (ChessMove) yylex();
9104 /* don't rely on existence of Event tag since if game was
9105 * pasted from clipboard the Event tag may not exist
9107 if (numPGNTags > 0){
9109 if (gameInfo.variant == VariantNormal) {
9110 gameInfo.variant = StringToVariant(gameInfo.event);
9113 if( appData.autoDisplayTags ) {
9114 tags = PGNTags(&gameInfo);
9115 TagsPopUp(tags, CmailMsg());
9120 /* Make something up, but don't display it now */
9125 if (cm == PositionDiagram) {
9128 Board initial_position;
9130 if (appData.debugMode)
9131 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
9133 if (!startedFromSetupPosition) {
9135 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
9136 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
9146 initial_position[i][j++] = CharToPiece(*p);
9149 while (*p == ' ' || *p == '\t' ||
9150 *p == '\n' || *p == '\r') p++;
9152 if (strncmp(p, "black", strlen("black"))==0)
9153 blackPlaysFirst = TRUE;
9155 blackPlaysFirst = FALSE;
9156 startedFromSetupPosition = TRUE;
9158 CopyBoard(boards[0], initial_position);
9159 if (blackPlaysFirst) {
9160 currentMove = forwardMostMove = backwardMostMove = 1;
9161 CopyBoard(boards[1], initial_position);
9162 strcpy(moveList[0], "");
9163 strcpy(parseList[0], "");
9164 timeRemaining[0][1] = whiteTimeRemaining;
9165 timeRemaining[1][1] = blackTimeRemaining;
9166 if (commentList[0] != NULL) {
9167 commentList[1] = commentList[0];
9168 commentList[0] = NULL;
9171 currentMove = forwardMostMove = backwardMostMove = 0;
9174 yyboardindex = forwardMostMove;
9175 cm = (ChessMove) yylex();
9178 if (first.pr == NoProc) {
9179 StartChessProgram(&first);
9181 InitChessProgram(&first, FALSE);
9182 SendToProgram("force\n", &first);
9183 if (startedFromSetupPosition) {
9184 SendBoard(&first, forwardMostMove);
9185 if (appData.debugMode) {
9186 fprintf(debugFP, "Load Game\n");
9188 DisplayBothClocks();
9191 /* [HGM] server: flag to write setup moves in broadcast file as one */
9192 loadFlag = appData.suppressLoadMoves;
9194 while (cm == Comment) {
9196 if (appData.debugMode)
9197 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9199 if (*p == '{' || *p == '[' || *p == '(') {
9200 p[strlen(p) - 1] = NULLCHAR;
9203 while (*p == '\n') p++;
9204 AppendComment(currentMove, p);
9205 yyboardindex = forwardMostMove;
9206 cm = (ChessMove) yylex();
9209 if ((cm == (ChessMove) 0 && lastLoadGameStart != (ChessMove) 0) ||
9210 cm == WhiteWins || cm == BlackWins ||
9211 cm == GameIsDrawn || cm == GameUnfinished) {
9212 DisplayMessage("", _("No moves in game"));
9213 if (cmailMsgLoaded) {
9214 if (appData.debugMode)
9215 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
9219 DrawPosition(FALSE, boards[currentMove]);
9220 DisplayBothClocks();
9221 gameMode = EditGame;
9228 // [HGM] PV info: routine tests if comment empty
9229 if (!matchMode && (pausing || appData.timeDelay != 0)) {
9230 DisplayComment(currentMove - 1, commentList[currentMove]);
9232 if (!matchMode && appData.timeDelay != 0)
9233 DrawPosition(FALSE, boards[currentMove]);
9235 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
9236 programStats.ok_to_send = 1;
9239 /* if the first token after the PGN tags is a move
9240 * and not move number 1, retrieve it from the parser
9242 if (cm != MoveNumberOne)
9243 LoadGameOneMove(cm);
9245 /* load the remaining moves from the file */
9246 while (LoadGameOneMove((ChessMove)0)) {
9247 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9248 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9251 /* rewind to the start of the game */
9252 currentMove = backwardMostMove;
9254 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9256 if (oldGameMode == AnalyzeFile ||
9257 oldGameMode == AnalyzeMode) {
9261 if (matchMode || appData.timeDelay == 0) {
9263 gameMode = EditGame;
9265 } else if (appData.timeDelay > 0) {
9269 if (appData.debugMode)
9270 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
9272 loadFlag = 0; /* [HGM] true game starts */
9276 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
9278 ReloadPosition(offset)
9281 int positionNumber = lastLoadPositionNumber + offset;
9282 if (lastLoadPositionFP == NULL) {
9283 DisplayError(_("No position has been loaded yet"), 0);
9286 if (positionNumber <= 0) {
9287 DisplayError(_("Can't back up any further"), 0);
9290 return LoadPosition(lastLoadPositionFP, positionNumber,
9291 lastLoadPositionTitle);
9294 /* Load the nth position from the given file */
9296 LoadPositionFromFile(filename, n, title)
9304 if (strcmp(filename, "-") == 0) {
9305 return LoadPosition(stdin, n, "stdin");
9307 f = fopen(filename, "rb");
9309 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9310 DisplayError(buf, errno);
9313 return LoadPosition(f, n, title);
9318 /* Load the nth position from the given open file, and close it */
9320 LoadPosition(f, positionNumber, title)
9325 char *p, line[MSG_SIZ];
9326 Board initial_position;
9327 int i, j, fenMode, pn;
9329 if (gameMode == Training )
9330 SetTrainingModeOff();
9332 if (gameMode != BeginningOfGame) {
9335 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
9336 fclose(lastLoadPositionFP);
9338 if (positionNumber == 0) positionNumber = 1;
9339 lastLoadPositionFP = f;
9340 lastLoadPositionNumber = positionNumber;
9341 strcpy(lastLoadPositionTitle, title);
9342 if (first.pr == NoProc) {
9343 StartChessProgram(&first);
9344 InitChessProgram(&first, FALSE);
9346 pn = positionNumber;
9347 if (positionNumber < 0) {
9348 /* Negative position number means to seek to that byte offset */
9349 if (fseek(f, -positionNumber, 0) == -1) {
9350 DisplayError(_("Can't seek on position file"), 0);
9355 if (fseek(f, 0, 0) == -1) {
9356 if (f == lastLoadPositionFP ?
9357 positionNumber == lastLoadPositionNumber + 1 :
9358 positionNumber == 1) {
9361 DisplayError(_("Can't seek on position file"), 0);
9366 /* See if this file is FEN or old-style xboard */
9367 if (fgets(line, MSG_SIZ, f) == NULL) {
9368 DisplayError(_("Position not found in file"), 0);
9371 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
9372 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
9375 if (fenMode || line[0] == '#') pn--;
9377 /* skip positions before number pn */
9378 if (fgets(line, MSG_SIZ, f) == NULL) {
9380 DisplayError(_("Position not found in file"), 0);
9383 if (fenMode || line[0] == '#') pn--;
9388 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
9389 DisplayError(_("Bad FEN position in file"), 0);
9393 (void) fgets(line, MSG_SIZ, f);
9394 (void) fgets(line, MSG_SIZ, f);
9396 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
9397 (void) fgets(line, MSG_SIZ, f);
9398 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
9401 initial_position[i][j++] = CharToPiece(*p);
9405 blackPlaysFirst = FALSE;
9407 (void) fgets(line, MSG_SIZ, f);
9408 if (strncmp(line, "black", strlen("black"))==0)
9409 blackPlaysFirst = TRUE;
9412 startedFromSetupPosition = TRUE;
9414 SendToProgram("force\n", &first);
9415 CopyBoard(boards[0], initial_position);
9416 if (blackPlaysFirst) {
9417 currentMove = forwardMostMove = backwardMostMove = 1;
9418 strcpy(moveList[0], "");
9419 strcpy(parseList[0], "");
9420 CopyBoard(boards[1], initial_position);
9421 DisplayMessage("", _("Black to play"));
9423 currentMove = forwardMostMove = backwardMostMove = 0;
9424 DisplayMessage("", _("White to play"));
9426 /* [HGM] copy FEN attributes as well */
9428 initialRulePlies = FENrulePlies;
9429 epStatus[forwardMostMove] = FENepStatus;
9430 for( i=0; i< nrCastlingRights; i++ )
9431 castlingRights[forwardMostMove][i] = FENcastlingRights[i];
9433 SendBoard(&first, forwardMostMove);
9434 if (appData.debugMode) {
9436 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", castlingRights[i][j]);fprintf(debugFP,"\n");}
9437 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
9438 fprintf(debugFP, "Load Position\n");
9441 if (positionNumber > 1) {
9442 sprintf(line, "%s %d", title, positionNumber);
9445 DisplayTitle(title);
9447 gameMode = EditGame;
9450 timeRemaining[0][1] = whiteTimeRemaining;
9451 timeRemaining[1][1] = blackTimeRemaining;
9452 DrawPosition(FALSE, boards[currentMove]);
9459 CopyPlayerNameIntoFileName(dest, src)
9462 while (*src != NULLCHAR && *src != ',') {
9467 *(*dest)++ = *src++;
9472 char *DefaultFileName(ext)
9475 static char def[MSG_SIZ];
9478 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
9480 CopyPlayerNameIntoFileName(&p, gameInfo.white);
9482 CopyPlayerNameIntoFileName(&p, gameInfo.black);
9491 /* Save the current game to the given file */
9493 SaveGameToFile(filename, append)
9500 if (strcmp(filename, "-") == 0) {
9501 return SaveGame(stdout, 0, NULL);
9503 f = fopen(filename, append ? "a" : "w");
9505 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9506 DisplayError(buf, errno);
9509 return SaveGame(f, 0, NULL);
9518 static char buf[MSG_SIZ];
9521 p = strchr(str, ' ');
9522 if (p == NULL) return str;
9523 strncpy(buf, str, p - str);
9524 buf[p - str] = NULLCHAR;
9528 #define PGN_MAX_LINE 75
9530 #define PGN_SIDE_WHITE 0
9531 #define PGN_SIDE_BLACK 1
9534 static int FindFirstMoveOutOfBook( int side )
9538 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
9539 int index = backwardMostMove;
9540 int has_book_hit = 0;
9542 if( (index % 2) != side ) {
9546 while( index < forwardMostMove ) {
9547 /* Check to see if engine is in book */
9548 int depth = pvInfoList[index].depth;
9549 int score = pvInfoList[index].score;
9555 else if( score == 0 && depth == 63 ) {
9556 in_book = 1; /* Zappa */
9558 else if( score == 2 && depth == 99 ) {
9559 in_book = 1; /* Abrok */
9562 has_book_hit += in_book;
9578 void GetOutOfBookInfo( char * buf )
9582 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
9584 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
9585 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
9589 if( oob[0] >= 0 || oob[1] >= 0 ) {
9590 for( i=0; i<2; i++ ) {
9594 if( i > 0 && oob[0] >= 0 ) {
9598 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
9599 sprintf( buf+strlen(buf), "%s%.2f",
9600 pvInfoList[idx].score >= 0 ? "+" : "",
9601 pvInfoList[idx].score / 100.0 );
9607 /* Save game in PGN style and close the file */
9612 int i, offset, linelen, newblock;
9616 int movelen, numlen, blank;
9617 char move_buffer[100]; /* [AS] Buffer for move+PV info */
9619 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
9621 tm = time((time_t *) NULL);
9623 PrintPGNTags(f, &gameInfo);
9625 if (backwardMostMove > 0 || startedFromSetupPosition) {
9626 char *fen = PositionToFEN(backwardMostMove, NULL);
9627 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
9628 fprintf(f, "\n{--------------\n");
9629 PrintPosition(f, backwardMostMove);
9630 fprintf(f, "--------------}\n");
9634 /* [AS] Out of book annotation */
9635 if( appData.saveOutOfBookInfo ) {
9638 GetOutOfBookInfo( buf );
9640 if( buf[0] != '\0' ) {
9641 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
9648 i = backwardMostMove;
9652 while (i < forwardMostMove) {
9653 /* Print comments preceding this move */
9654 if (commentList[i] != NULL) {
9655 if (linelen > 0) fprintf(f, "\n");
9656 fprintf(f, "{\n%s}\n", commentList[i]);
9661 /* Format move number */
9663 sprintf(numtext, "%d.", (i - offset)/2 + 1);
9666 sprintf(numtext, "%d...", (i - offset)/2 + 1);
9668 numtext[0] = NULLCHAR;
9671 numlen = strlen(numtext);
9674 /* Print move number */
9675 blank = linelen > 0 && numlen > 0;
9676 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
9685 fprintf(f, "%s", numtext);
9689 strcpy(move_buffer, SavePart(parseList[i])); // [HGM] pgn: print move via buffer, so it can be edited
9690 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
9693 blank = linelen > 0 && movelen > 0;
9694 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
9703 fprintf(f, "%s", move_buffer);
9706 /* [AS] Add PV info if present */
9707 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
9708 /* [HGM] add time */
9709 char buf[MSG_SIZ]; int seconds = 0;
9711 if(i >= backwardMostMove) {
9713 seconds = timeRemaining[0][i] - timeRemaining[0][i+1]
9714 + GetTimeQuota(i/2) / (1000*WhitePlayer()->timeOdds);
9716 seconds = timeRemaining[1][i] - timeRemaining[1][i+1]
9717 + GetTimeQuota(i/2) / (1000*WhitePlayer()->other->timeOdds);
9719 seconds = (seconds+50)/100; // deci-seconds, rounded to nearest
9721 if( seconds <= 0) buf[0] = 0; else
9722 if( seconds < 30 ) sprintf(buf, " %3.1f%c", seconds/10., 0); else {
9723 seconds = (seconds + 4)/10; // round to full seconds
9724 if( seconds < 60 ) sprintf(buf, " %d%c", seconds, 0); else
9725 sprintf(buf, " %d:%02d%c", seconds/60, seconds%60, 0);
9728 sprintf( move_buffer, "{%s%.2f/%d%s}",
9729 pvInfoList[i].score >= 0 ? "+" : "",
9730 pvInfoList[i].score / 100.0,
9731 pvInfoList[i].depth,
9734 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
9736 /* Print score/depth */
9737 blank = linelen > 0 && movelen > 0;
9738 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
9747 fprintf(f, "%s", move_buffer);
9754 /* Start a new line */
9755 if (linelen > 0) fprintf(f, "\n");
9757 /* Print comments after last move */
9758 if (commentList[i] != NULL) {
9759 fprintf(f, "{\n%s}\n", commentList[i]);
9763 if (gameInfo.resultDetails != NULL &&
9764 gameInfo.resultDetails[0] != NULLCHAR) {
9765 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
9766 PGNResult(gameInfo.result));
9768 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
9772 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
9776 /* Save game in old style and close the file */
9784 tm = time((time_t *) NULL);
9786 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
9789 if (backwardMostMove > 0 || startedFromSetupPosition) {
9790 fprintf(f, "\n[--------------\n");
9791 PrintPosition(f, backwardMostMove);
9792 fprintf(f, "--------------]\n");
9797 i = backwardMostMove;
9798 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
9800 while (i < forwardMostMove) {
9801 if (commentList[i] != NULL) {
9802 fprintf(f, "[%s]\n", commentList[i]);
9806 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
9809 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
9811 if (commentList[i] != NULL) {
9815 if (i >= forwardMostMove) {
9819 fprintf(f, "%s\n", parseList[i]);
9824 if (commentList[i] != NULL) {
9825 fprintf(f, "[%s]\n", commentList[i]);
9828 /* This isn't really the old style, but it's close enough */
9829 if (gameInfo.resultDetails != NULL &&
9830 gameInfo.resultDetails[0] != NULLCHAR) {
9831 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
9832 gameInfo.resultDetails);
9834 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
9841 /* Save the current game to open file f and close the file */
9843 SaveGame(f, dummy, dummy2)
9848 if (gameMode == EditPosition) EditPositionDone();
9849 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
9850 if (appData.oldSaveStyle)
9851 return SaveGameOldStyle(f);
9853 return SaveGamePGN(f);
9856 /* Save the current position to the given file */
9858 SavePositionToFile(filename)
9864 if (strcmp(filename, "-") == 0) {
9865 return SavePosition(stdout, 0, NULL);
9867 f = fopen(filename, "a");
9869 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9870 DisplayError(buf, errno);
9873 SavePosition(f, 0, NULL);
9879 /* Save the current position to the given open file and close the file */
9881 SavePosition(f, dummy, dummy2)
9889 if (appData.oldSaveStyle) {
9890 tm = time((time_t *) NULL);
9892 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
9894 fprintf(f, "[--------------\n");
9895 PrintPosition(f, currentMove);
9896 fprintf(f, "--------------]\n");
9898 fen = PositionToFEN(currentMove, NULL);
9899 fprintf(f, "%s\n", fen);
9907 ReloadCmailMsgEvent(unregister)
9911 static char *inFilename = NULL;
9912 static char *outFilename;
9914 struct stat inbuf, outbuf;
9917 /* Any registered moves are unregistered if unregister is set, */
9918 /* i.e. invoked by the signal handler */
9920 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
9921 cmailMoveRegistered[i] = FALSE;
9922 if (cmailCommentList[i] != NULL) {
9923 free(cmailCommentList[i]);
9924 cmailCommentList[i] = NULL;
9927 nCmailMovesRegistered = 0;
9930 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
9931 cmailResult[i] = CMAIL_NOT_RESULT;
9935 if (inFilename == NULL) {
9936 /* Because the filenames are static they only get malloced once */
9937 /* and they never get freed */
9938 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
9939 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
9941 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
9942 sprintf(outFilename, "%s.out", appData.cmailGameName);
9945 status = stat(outFilename, &outbuf);
9947 cmailMailedMove = FALSE;
9949 status = stat(inFilename, &inbuf);
9950 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
9953 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
9954 counts the games, notes how each one terminated, etc.
9956 It would be nice to remove this kludge and instead gather all
9957 the information while building the game list. (And to keep it
9958 in the game list nodes instead of having a bunch of fixed-size
9959 parallel arrays.) Note this will require getting each game's
9960 termination from the PGN tags, as the game list builder does
9961 not process the game moves. --mann
9963 cmailMsgLoaded = TRUE;
9964 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
9966 /* Load first game in the file or popup game menu */
9967 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
9977 char string[MSG_SIZ];
9979 if ( cmailMailedMove
9980 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
9981 return TRUE; /* Allow free viewing */
9984 /* Unregister move to ensure that we don't leave RegisterMove */
9985 /* with the move registered when the conditions for registering no */
9987 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9988 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
9989 nCmailMovesRegistered --;
9991 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
9993 free(cmailCommentList[lastLoadGameNumber - 1]);
9994 cmailCommentList[lastLoadGameNumber - 1] = NULL;
9998 if (cmailOldMove == -1) {
9999 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
10003 if (currentMove > cmailOldMove + 1) {
10004 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
10008 if (currentMove < cmailOldMove) {
10009 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
10013 if (forwardMostMove > currentMove) {
10014 /* Silently truncate extra moves */
10018 if ( (currentMove == cmailOldMove + 1)
10019 || ( (currentMove == cmailOldMove)
10020 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
10021 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
10022 if (gameInfo.result != GameUnfinished) {
10023 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
10026 if (commentList[currentMove] != NULL) {
10027 cmailCommentList[lastLoadGameNumber - 1]
10028 = StrSave(commentList[currentMove]);
10030 strcpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1]);
10032 if (appData.debugMode)
10033 fprintf(debugFP, "Saving %s for game %d\n",
10034 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
10037 "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
10039 f = fopen(string, "w");
10040 if (appData.oldSaveStyle) {
10041 SaveGameOldStyle(f); /* also closes the file */
10043 sprintf(string, "%s.pos.out", appData.cmailGameName);
10044 f = fopen(string, "w");
10045 SavePosition(f, 0, NULL); /* also closes the file */
10047 fprintf(f, "{--------------\n");
10048 PrintPosition(f, currentMove);
10049 fprintf(f, "--------------}\n\n");
10051 SaveGame(f, 0, NULL); /* also closes the file*/
10054 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
10055 nCmailMovesRegistered ++;
10056 } else if (nCmailGames == 1) {
10057 DisplayError(_("You have not made a move yet"), 0);
10068 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
10069 FILE *commandOutput;
10070 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
10071 int nBytes = 0; /* Suppress warnings on uninitialized variables */
10077 if (! cmailMsgLoaded) {
10078 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
10082 if (nCmailGames == nCmailResults) {
10083 DisplayError(_("No unfinished games"), 0);
10087 #if CMAIL_PROHIBIT_REMAIL
10088 if (cmailMailedMove) {
10089 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);
10090 DisplayError(msg, 0);
10095 if (! (cmailMailedMove || RegisterMove())) return;
10097 if ( cmailMailedMove
10098 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
10099 sprintf(string, partCommandString,
10100 appData.debugMode ? " -v" : "", appData.cmailGameName);
10101 commandOutput = popen(string, "r");
10103 if (commandOutput == NULL) {
10104 DisplayError(_("Failed to invoke cmail"), 0);
10106 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
10107 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
10109 if (nBuffers > 1) {
10110 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
10111 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
10112 nBytes = MSG_SIZ - 1;
10114 (void) memcpy(msg, buffer, nBytes);
10116 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
10118 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
10119 cmailMailedMove = TRUE; /* Prevent >1 moves */
10122 for (i = 0; i < nCmailGames; i ++) {
10123 if (cmailResult[i] == CMAIL_NOT_RESULT) {
10128 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
10130 sprintf(buffer, "%s/%s.%s.archive",
10132 appData.cmailGameName,
10134 LoadGameFromFile(buffer, 1, buffer, FALSE);
10135 cmailMsgLoaded = FALSE;
10139 DisplayInformation(msg);
10140 pclose(commandOutput);
10143 if ((*cmailMsg) != '\0') {
10144 DisplayInformation(cmailMsg);
10149 #endif /* !WIN32 */
10158 int prependComma = 0;
10160 char string[MSG_SIZ]; /* Space for game-list */
10163 if (!cmailMsgLoaded) return "";
10165 if (cmailMailedMove) {
10166 sprintf(cmailMsg, _("Waiting for reply from opponent\n"));
10168 /* Create a list of games left */
10169 sprintf(string, "[");
10170 for (i = 0; i < nCmailGames; i ++) {
10171 if (! ( cmailMoveRegistered[i]
10172 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
10173 if (prependComma) {
10174 sprintf(number, ",%d", i + 1);
10176 sprintf(number, "%d", i + 1);
10180 strcat(string, number);
10183 strcat(string, "]");
10185 if (nCmailMovesRegistered + nCmailResults == 0) {
10186 switch (nCmailGames) {
10189 _("Still need to make move for game\n"));
10194 _("Still need to make moves for both games\n"));
10199 _("Still need to make moves for all %d games\n"),
10204 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
10207 _("Still need to make a move for game %s\n"),
10212 if (nCmailResults == nCmailGames) {
10213 sprintf(cmailMsg, _("No unfinished games\n"));
10215 sprintf(cmailMsg, _("Ready to send mail\n"));
10221 _("Still need to make moves for games %s\n"),
10233 if (gameMode == Training)
10234 SetTrainingModeOff();
10237 cmailMsgLoaded = FALSE;
10238 if (appData.icsActive) {
10239 SendToICS(ics_prefix);
10240 SendToICS("refresh\n");
10250 /* Give up on clean exit */
10254 /* Keep trying for clean exit */
10258 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
10260 if (telnetISR != NULL) {
10261 RemoveInputSource(telnetISR);
10263 if (icsPR != NoProc) {
10264 DestroyChildProcess(icsPR, TRUE);
10267 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
10268 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
10270 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
10271 /* make sure this other one finishes before killing it! */
10272 if(endingGame) { int count = 0;
10273 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
10274 while(endingGame && count++ < 10) DoSleep(1);
10275 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
10278 /* Kill off chess programs */
10279 if (first.pr != NoProc) {
10282 DoSleep( appData.delayBeforeQuit );
10283 SendToProgram("quit\n", &first);
10284 DoSleep( appData.delayAfterQuit );
10285 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
10287 if (second.pr != NoProc) {
10288 DoSleep( appData.delayBeforeQuit );
10289 SendToProgram("quit\n", &second);
10290 DoSleep( appData.delayAfterQuit );
10291 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
10293 if (first.isr != NULL) {
10294 RemoveInputSource(first.isr);
10296 if (second.isr != NULL) {
10297 RemoveInputSource(second.isr);
10300 ShutDownFrontEnd();
10307 if (appData.debugMode)
10308 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
10312 if (gameMode == MachinePlaysWhite ||
10313 gameMode == MachinePlaysBlack) {
10316 DisplayBothClocks();
10318 if (gameMode == PlayFromGameFile) {
10319 if (appData.timeDelay >= 0)
10320 AutoPlayGameLoop();
10321 } else if (gameMode == IcsExamining && pauseExamInvalid) {
10322 Reset(FALSE, TRUE);
10323 SendToICS(ics_prefix);
10324 SendToICS("refresh\n");
10325 } else if (currentMove < forwardMostMove) {
10326 ForwardInner(forwardMostMove);
10328 pauseExamInvalid = FALSE;
10330 switch (gameMode) {
10334 pauseExamForwardMostMove = forwardMostMove;
10335 pauseExamInvalid = FALSE;
10338 case IcsPlayingWhite:
10339 case IcsPlayingBlack:
10343 case PlayFromGameFile:
10344 (void) StopLoadGameTimer();
10348 case BeginningOfGame:
10349 if (appData.icsActive) return;
10350 /* else fall through */
10351 case MachinePlaysWhite:
10352 case MachinePlaysBlack:
10353 case TwoMachinesPlay:
10354 if (forwardMostMove == 0)
10355 return; /* don't pause if no one has moved */
10356 if ((gameMode == MachinePlaysWhite &&
10357 !WhiteOnMove(forwardMostMove)) ||
10358 (gameMode == MachinePlaysBlack &&
10359 WhiteOnMove(forwardMostMove))) {
10372 char title[MSG_SIZ];
10374 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
10375 strcpy(title, _("Edit comment"));
10377 sprintf(title, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
10378 WhiteOnMove(currentMove - 1) ? " " : ".. ",
10379 parseList[currentMove - 1]);
10382 EditCommentPopUp(currentMove, title, commentList[currentMove]);
10389 char *tags = PGNTags(&gameInfo);
10390 EditTagsPopUp(tags);
10397 if (appData.noChessProgram || gameMode == AnalyzeMode)
10400 if (gameMode != AnalyzeFile) {
10401 if (!appData.icsEngineAnalyze) {
10403 if (gameMode != EditGame) return;
10405 ResurrectChessProgram();
10406 SendToProgram("analyze\n", &first);
10407 first.analyzing = TRUE;
10408 /*first.maybeThinking = TRUE;*/
10409 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
10410 EngineOutputPopUp();
10412 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
10417 StartAnalysisClock();
10418 GetTimeMark(&lastNodeCountTime);
10425 if (appData.noChessProgram || gameMode == AnalyzeFile)
10428 if (gameMode != AnalyzeMode) {
10430 if (gameMode != EditGame) return;
10431 ResurrectChessProgram();
10432 SendToProgram("analyze\n", &first);
10433 first.analyzing = TRUE;
10434 /*first.maybeThinking = TRUE;*/
10435 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
10436 EngineOutputPopUp();
10438 gameMode = AnalyzeFile;
10443 StartAnalysisClock();
10444 GetTimeMark(&lastNodeCountTime);
10449 MachineWhiteEvent()
10452 char *bookHit = NULL;
10454 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
10458 if (gameMode == PlayFromGameFile ||
10459 gameMode == TwoMachinesPlay ||
10460 gameMode == Training ||
10461 gameMode == AnalyzeMode ||
10462 gameMode == EndOfGame)
10465 if (gameMode == EditPosition)
10466 EditPositionDone();
10468 if (!WhiteOnMove(currentMove)) {
10469 DisplayError(_("It is not White's turn"), 0);
10473 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
10476 if (gameMode == EditGame || gameMode == AnalyzeMode ||
10477 gameMode == AnalyzeFile)
10480 ResurrectChessProgram(); /* in case it isn't running */
10481 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
10482 gameMode = MachinePlaysWhite;
10485 gameMode = MachinePlaysWhite;
10489 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
10491 if (first.sendName) {
10492 sprintf(buf, "name %s\n", gameInfo.black);
10493 SendToProgram(buf, &first);
10495 if (first.sendTime) {
10496 if (first.useColors) {
10497 SendToProgram("black\n", &first); /*gnu kludge*/
10499 SendTimeRemaining(&first, TRUE);
10501 if (first.useColors) {
10502 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
10504 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
10505 SetMachineThinkingEnables();
10506 first.maybeThinking = TRUE;
10510 if (appData.autoFlipView && !flipView) {
10511 flipView = !flipView;
10512 DrawPosition(FALSE, NULL);
10513 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
10516 if(bookHit) { // [HGM] book: simulate book reply
10517 static char bookMove[MSG_SIZ]; // a bit generous?
10519 programStats.nodes = programStats.depth = programStats.time =
10520 programStats.score = programStats.got_only_move = 0;
10521 sprintf(programStats.movelist, "%s (xbook)", bookHit);
10523 strcpy(bookMove, "move ");
10524 strcat(bookMove, bookHit);
10525 HandleMachineMove(bookMove, &first);
10530 MachineBlackEvent()
10533 char *bookHit = NULL;
10535 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
10539 if (gameMode == PlayFromGameFile ||
10540 gameMode == TwoMachinesPlay ||
10541 gameMode == Training ||
10542 gameMode == AnalyzeMode ||
10543 gameMode == EndOfGame)
10546 if (gameMode == EditPosition)
10547 EditPositionDone();
10549 if (WhiteOnMove(currentMove)) {
10550 DisplayError(_("It is not Black's turn"), 0);
10554 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
10557 if (gameMode == EditGame || gameMode == AnalyzeMode ||
10558 gameMode == AnalyzeFile)
10561 ResurrectChessProgram(); /* in case it isn't running */
10562 gameMode = MachinePlaysBlack;
10566 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
10568 if (first.sendName) {
10569 sprintf(buf, "name %s\n", gameInfo.white);
10570 SendToProgram(buf, &first);
10572 if (first.sendTime) {
10573 if (first.useColors) {
10574 SendToProgram("white\n", &first); /*gnu kludge*/
10576 SendTimeRemaining(&first, FALSE);
10578 if (first.useColors) {
10579 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
10581 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
10582 SetMachineThinkingEnables();
10583 first.maybeThinking = TRUE;
10586 if (appData.autoFlipView && flipView) {
10587 flipView = !flipView;
10588 DrawPosition(FALSE, NULL);
10589 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
10591 if(bookHit) { // [HGM] book: simulate book reply
10592 static char bookMove[MSG_SIZ]; // a bit generous?
10594 programStats.nodes = programStats.depth = programStats.time =
10595 programStats.score = programStats.got_only_move = 0;
10596 sprintf(programStats.movelist, "%s (xbook)", bookHit);
10598 strcpy(bookMove, "move ");
10599 strcat(bookMove, bookHit);
10600 HandleMachineMove(bookMove, &first);
10606 DisplayTwoMachinesTitle()
10609 if (appData.matchGames > 0) {
10610 if (first.twoMachinesColor[0] == 'w') {
10611 sprintf(buf, "%s vs. %s (%d-%d-%d)",
10612 gameInfo.white, gameInfo.black,
10613 first.matchWins, second.matchWins,
10614 matchGame - 1 - (first.matchWins + second.matchWins));
10616 sprintf(buf, "%s vs. %s (%d-%d-%d)",
10617 gameInfo.white, gameInfo.black,
10618 second.matchWins, first.matchWins,
10619 matchGame - 1 - (first.matchWins + second.matchWins));
10622 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
10628 TwoMachinesEvent P((void))
10632 ChessProgramState *onmove;
10633 char *bookHit = NULL;
10635 if (appData.noChessProgram) return;
10637 switch (gameMode) {
10638 case TwoMachinesPlay:
10640 case MachinePlaysWhite:
10641 case MachinePlaysBlack:
10642 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
10643 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
10647 case BeginningOfGame:
10648 case PlayFromGameFile:
10651 if (gameMode != EditGame) return;
10654 EditPositionDone();
10665 forwardMostMove = currentMove;
10666 ResurrectChessProgram(); /* in case first program isn't running */
10668 if (second.pr == NULL) {
10669 StartChessProgram(&second);
10670 if (second.protocolVersion == 1) {
10671 TwoMachinesEventIfReady();
10673 /* kludge: allow timeout for initial "feature" command */
10675 DisplayMessage("", _("Starting second chess program"));
10676 ScheduleDelayedEvent(TwoMachinesEventIfReady, FEATURE_TIMEOUT);
10680 DisplayMessage("", "");
10681 InitChessProgram(&second, FALSE);
10682 SendToProgram("force\n", &second);
10683 if (startedFromSetupPosition) {
10684 SendBoard(&second, backwardMostMove);
10685 if (appData.debugMode) {
10686 fprintf(debugFP, "Two Machines\n");
10689 for (i = backwardMostMove; i < forwardMostMove; i++) {
10690 SendMoveToProgram(i, &second);
10693 gameMode = TwoMachinesPlay;
10697 DisplayTwoMachinesTitle();
10699 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
10705 SendToProgram(first.computerString, &first);
10706 if (first.sendName) {
10707 sprintf(buf, "name %s\n", second.tidy);
10708 SendToProgram(buf, &first);
10710 SendToProgram(second.computerString, &second);
10711 if (second.sendName) {
10712 sprintf(buf, "name %s\n", first.tidy);
10713 SendToProgram(buf, &second);
10717 if (!first.sendTime || !second.sendTime) {
10718 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10719 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10721 if (onmove->sendTime) {
10722 if (onmove->useColors) {
10723 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
10725 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
10727 if (onmove->useColors) {
10728 SendToProgram(onmove->twoMachinesColor, onmove);
10730 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
10731 // SendToProgram("go\n", onmove);
10732 onmove->maybeThinking = TRUE;
10733 SetMachineThinkingEnables();
10737 if(bookHit) { // [HGM] book: simulate book reply
10738 static char bookMove[MSG_SIZ]; // a bit generous?
10740 programStats.nodes = programStats.depth = programStats.time =
10741 programStats.score = programStats.got_only_move = 0;
10742 sprintf(programStats.movelist, "%s (xbook)", bookHit);
10744 strcpy(bookMove, "move ");
10745 strcat(bookMove, bookHit);
10746 HandleMachineMove(bookMove, &first);
10753 if (gameMode == Training) {
10754 SetTrainingModeOff();
10755 gameMode = PlayFromGameFile;
10756 DisplayMessage("", _("Training mode off"));
10758 gameMode = Training;
10759 animateTraining = appData.animate;
10761 /* make sure we are not already at the end of the game */
10762 if (currentMove < forwardMostMove) {
10763 SetTrainingModeOn();
10764 DisplayMessage("", _("Training mode on"));
10766 gameMode = PlayFromGameFile;
10767 DisplayError(_("Already at end of game"), 0);
10776 if (!appData.icsActive) return;
10777 switch (gameMode) {
10778 case IcsPlayingWhite:
10779 case IcsPlayingBlack:
10782 case BeginningOfGame:
10790 EditPositionDone();
10803 gameMode = IcsIdle;
10814 switch (gameMode) {
10816 SetTrainingModeOff();
10818 case MachinePlaysWhite:
10819 case MachinePlaysBlack:
10820 case BeginningOfGame:
10821 SendToProgram("force\n", &first);
10822 SetUserThinkingEnables();
10824 case PlayFromGameFile:
10825 (void) StopLoadGameTimer();
10826 if (gameFileFP != NULL) {
10831 EditPositionDone();
10836 SendToProgram("force\n", &first);
10838 case TwoMachinesPlay:
10839 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
10840 ResurrectChessProgram();
10841 SetUserThinkingEnables();
10844 ResurrectChessProgram();
10846 case IcsPlayingBlack:
10847 case IcsPlayingWhite:
10848 DisplayError(_("Warning: You are still playing a game"), 0);
10851 DisplayError(_("Warning: You are still observing a game"), 0);
10854 DisplayError(_("Warning: You are still examining a game"), 0);
10865 first.offeredDraw = second.offeredDraw = 0;
10867 if (gameMode == PlayFromGameFile) {
10868 whiteTimeRemaining = timeRemaining[0][currentMove];
10869 blackTimeRemaining = timeRemaining[1][currentMove];
10873 if (gameMode == MachinePlaysWhite ||
10874 gameMode == MachinePlaysBlack ||
10875 gameMode == TwoMachinesPlay ||
10876 gameMode == EndOfGame) {
10877 i = forwardMostMove;
10878 while (i > currentMove) {
10879 SendToProgram("undo\n", &first);
10882 whiteTimeRemaining = timeRemaining[0][currentMove];
10883 blackTimeRemaining = timeRemaining[1][currentMove];
10884 DisplayBothClocks();
10885 if (whiteFlag || blackFlag) {
10886 whiteFlag = blackFlag = 0;
10891 gameMode = EditGame;
10898 EditPositionEvent()
10900 if (gameMode == EditPosition) {
10906 if (gameMode != EditGame) return;
10908 gameMode = EditPosition;
10911 if (currentMove > 0)
10912 CopyBoard(boards[0], boards[currentMove]);
10914 blackPlaysFirst = !WhiteOnMove(currentMove);
10916 currentMove = forwardMostMove = backwardMostMove = 0;
10917 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10924 /* [DM] icsEngineAnalyze - possible call from other functions */
10925 if (appData.icsEngineAnalyze) {
10926 appData.icsEngineAnalyze = FALSE;
10928 DisplayMessage("",_("Close ICS engine analyze..."));
10930 if (first.analysisSupport && first.analyzing) {
10931 SendToProgram("exit\n", &first);
10932 first.analyzing = FALSE;
10934 EngineOutputPopDown();
10935 thinkOutput[0] = NULLCHAR;
10941 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
10943 startedFromSetupPosition = TRUE;
10944 InitChessProgram(&first, FALSE);
10945 castlingRights[0][2] = castlingRights[0][5] = BOARD_WIDTH>>1;
10946 if(boards[0][0][BOARD_WIDTH>>1] == king) {
10947 castlingRights[0][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : -1;
10948 castlingRights[0][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : -1;
10949 } else castlingRights[0][2] = -1;
10950 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
10951 castlingRights[0][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : -1;
10952 castlingRights[0][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : -1;
10953 } else castlingRights[0][5] = -1;
10954 SendToProgram("force\n", &first);
10955 if (blackPlaysFirst) {
10956 strcpy(moveList[0], "");
10957 strcpy(parseList[0], "");
10958 currentMove = forwardMostMove = backwardMostMove = 1;
10959 CopyBoard(boards[1], boards[0]);
10960 /* [HGM] copy rights as well, as this code is also used after pasting a FEN */
10962 epStatus[1] = epStatus[0];
10963 for(i=0; i<nrCastlingRights; i++) castlingRights[1][i] = castlingRights[0][i];
10966 currentMove = forwardMostMove = backwardMostMove = 0;
10968 SendBoard(&first, forwardMostMove);
10969 if (appData.debugMode) {
10970 fprintf(debugFP, "EditPosDone\n");
10973 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10974 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10975 gameMode = EditGame;
10977 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10978 ClearHighlights(); /* [AS] */
10981 /* Pause for `ms' milliseconds */
10982 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
10992 } while (SubtractTimeMarks(&m2, &m1) < ms);
10995 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
10997 SendMultiLineToICS(buf)
11000 char temp[MSG_SIZ+1], *p;
11007 strncpy(temp, buf, len);
11012 if (*p == '\n' || *p == '\r')
11017 strcat(temp, "\n");
11019 SendToPlayer(temp, strlen(temp));
11023 SetWhiteToPlayEvent()
11025 if (gameMode == EditPosition) {
11026 blackPlaysFirst = FALSE;
11027 DisplayBothClocks(); /* works because currentMove is 0 */
11028 } else if (gameMode == IcsExamining) {
11029 SendToICS(ics_prefix);
11030 SendToICS("tomove white\n");
11035 SetBlackToPlayEvent()
11037 if (gameMode == EditPosition) {
11038 blackPlaysFirst = TRUE;
11039 currentMove = 1; /* kludge */
11040 DisplayBothClocks();
11042 } else if (gameMode == IcsExamining) {
11043 SendToICS(ics_prefix);
11044 SendToICS("tomove black\n");
11049 EditPositionMenuEvent(selection, x, y)
11050 ChessSquare selection;
11054 ChessSquare piece = boards[0][y][x];
11056 if (gameMode != EditPosition && gameMode != IcsExamining) return;
11058 switch (selection) {
11060 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
11061 SendToICS(ics_prefix);
11062 SendToICS("bsetup clear\n");
11063 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
11064 SendToICS(ics_prefix);
11065 SendToICS("clearboard\n");
11067 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
11068 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
11069 for (y = 0; y < BOARD_HEIGHT; y++) {
11070 if (gameMode == IcsExamining) {
11071 if (boards[currentMove][y][x] != EmptySquare) {
11072 sprintf(buf, "%sx@%c%c\n", ics_prefix,
11077 boards[0][y][x] = p;
11082 if (gameMode == EditPosition) {
11083 DrawPosition(FALSE, boards[0]);
11088 SetWhiteToPlayEvent();
11092 SetBlackToPlayEvent();
11096 if (gameMode == IcsExamining) {
11097 sprintf(buf, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
11100 boards[0][y][x] = EmptySquare;
11101 DrawPosition(FALSE, boards[0]);
11106 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
11107 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
11108 selection = (ChessSquare) (PROMOTED piece);
11109 } else if(piece == EmptySquare) selection = WhiteSilver;
11110 else selection = (ChessSquare)((int)piece - 1);
11114 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
11115 piece > (int)BlackMan && piece <= (int)BlackKing ) {
11116 selection = (ChessSquare) (DEMOTED piece);
11117 } else if(piece == EmptySquare) selection = BlackSilver;
11118 else selection = (ChessSquare)((int)piece + 1);
11123 if(gameInfo.variant == VariantShatranj ||
11124 gameInfo.variant == VariantXiangqi ||
11125 gameInfo.variant == VariantCourier )
11126 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
11131 if(gameInfo.variant == VariantXiangqi)
11132 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
11133 if(gameInfo.variant == VariantKnightmate)
11134 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
11137 if (gameMode == IcsExamining) {
11138 sprintf(buf, "%s%c@%c%c\n", ics_prefix,
11139 PieceToChar(selection), AAA + x, ONE + y);
11142 boards[0][y][x] = selection;
11143 DrawPosition(FALSE, boards[0]);
11151 DropMenuEvent(selection, x, y)
11152 ChessSquare selection;
11155 ChessMove moveType;
11157 switch (gameMode) {
11158 case IcsPlayingWhite:
11159 case MachinePlaysBlack:
11160 if (!WhiteOnMove(currentMove)) {
11161 DisplayMoveError(_("It is Black's turn"));
11164 moveType = WhiteDrop;
11166 case IcsPlayingBlack:
11167 case MachinePlaysWhite:
11168 if (WhiteOnMove(currentMove)) {
11169 DisplayMoveError(_("It is White's turn"));
11172 moveType = BlackDrop;
11175 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
11181 if (moveType == BlackDrop && selection < BlackPawn) {
11182 selection = (ChessSquare) ((int) selection
11183 + (int) BlackPawn - (int) WhitePawn);
11185 if (boards[currentMove][y][x] != EmptySquare) {
11186 DisplayMoveError(_("That square is occupied"));
11190 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
11196 /* Accept a pending offer of any kind from opponent */
11198 if (appData.icsActive) {
11199 SendToICS(ics_prefix);
11200 SendToICS("accept\n");
11201 } else if (cmailMsgLoaded) {
11202 if (currentMove == cmailOldMove &&
11203 commentList[cmailOldMove] != NULL &&
11204 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
11205 "Black offers a draw" : "White offers a draw")) {
11207 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11208 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
11210 DisplayError(_("There is no pending offer on this move"), 0);
11211 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11214 /* Not used for offers from chess program */
11221 /* Decline a pending offer of any kind from opponent */
11223 if (appData.icsActive) {
11224 SendToICS(ics_prefix);
11225 SendToICS("decline\n");
11226 } else if (cmailMsgLoaded) {
11227 if (currentMove == cmailOldMove &&
11228 commentList[cmailOldMove] != NULL &&
11229 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
11230 "Black offers a draw" : "White offers a draw")) {
11232 AppendComment(cmailOldMove, "Draw declined");
11233 DisplayComment(cmailOldMove - 1, "Draw declined");
11236 DisplayError(_("There is no pending offer on this move"), 0);
11239 /* Not used for offers from chess program */
11246 /* Issue ICS rematch command */
11247 if (appData.icsActive) {
11248 SendToICS(ics_prefix);
11249 SendToICS("rematch\n");
11256 /* Call your opponent's flag (claim a win on time) */
11257 if (appData.icsActive) {
11258 SendToICS(ics_prefix);
11259 SendToICS("flag\n");
11261 switch (gameMode) {
11264 case MachinePlaysWhite:
11267 GameEnds(GameIsDrawn, "Both players ran out of time",
11270 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
11272 DisplayError(_("Your opponent is not out of time"), 0);
11275 case MachinePlaysBlack:
11278 GameEnds(GameIsDrawn, "Both players ran out of time",
11281 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
11283 DisplayError(_("Your opponent is not out of time"), 0);
11293 /* Offer draw or accept pending draw offer from opponent */
11295 if (appData.icsActive) {
11296 /* Note: tournament rules require draw offers to be
11297 made after you make your move but before you punch
11298 your clock. Currently ICS doesn't let you do that;
11299 instead, you immediately punch your clock after making
11300 a move, but you can offer a draw at any time. */
11302 SendToICS(ics_prefix);
11303 SendToICS("draw\n");
11304 } else if (cmailMsgLoaded) {
11305 if (currentMove == cmailOldMove &&
11306 commentList[cmailOldMove] != NULL &&
11307 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
11308 "Black offers a draw" : "White offers a draw")) {
11309 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11310 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
11311 } else if (currentMove == cmailOldMove + 1) {
11312 char *offer = WhiteOnMove(cmailOldMove) ?
11313 "White offers a draw" : "Black offers a draw";
11314 AppendComment(currentMove, offer);
11315 DisplayComment(currentMove - 1, offer);
11316 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
11318 DisplayError(_("You must make your move before offering a draw"), 0);
11319 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11321 } else if (first.offeredDraw) {
11322 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
11324 if (first.sendDrawOffers) {
11325 SendToProgram("draw\n", &first);
11326 userOfferedDraw = TRUE;
11334 /* Offer Adjourn or accept pending Adjourn offer from opponent */
11336 if (appData.icsActive) {
11337 SendToICS(ics_prefix);
11338 SendToICS("adjourn\n");
11340 /* Currently GNU Chess doesn't offer or accept Adjourns */
11348 /* Offer Abort or accept pending Abort offer from opponent */
11350 if (appData.icsActive) {
11351 SendToICS(ics_prefix);
11352 SendToICS("abort\n");
11354 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
11361 /* Resign. You can do this even if it's not your turn. */
11363 if (appData.icsActive) {
11364 SendToICS(ics_prefix);
11365 SendToICS("resign\n");
11367 switch (gameMode) {
11368 case MachinePlaysWhite:
11369 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11371 case MachinePlaysBlack:
11372 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11375 if (cmailMsgLoaded) {
11377 if (WhiteOnMove(cmailOldMove)) {
11378 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11380 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11382 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
11393 StopObservingEvent()
11395 /* Stop observing current games */
11396 SendToICS(ics_prefix);
11397 SendToICS("unobserve\n");
11401 StopExaminingEvent()
11403 /* Stop observing current game */
11404 SendToICS(ics_prefix);
11405 SendToICS("unexamine\n");
11409 ForwardInner(target)
11414 if (appData.debugMode)
11415 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
11416 target, currentMove, forwardMostMove);
11418 if (gameMode == EditPosition)
11421 if (gameMode == PlayFromGameFile && !pausing)
11424 if (gameMode == IcsExamining && pausing)
11425 limit = pauseExamForwardMostMove;
11427 limit = forwardMostMove;
11429 if (target > limit) target = limit;
11431 if (target > 0 && moveList[target - 1][0]) {
11432 int fromX, fromY, toX, toY;
11433 toX = moveList[target - 1][2] - AAA;
11434 toY = moveList[target - 1][3] - ONE;
11435 if (moveList[target - 1][1] == '@') {
11436 if (appData.highlightLastMove) {
11437 SetHighlights(-1, -1, toX, toY);
11440 fromX = moveList[target - 1][0] - AAA;
11441 fromY = moveList[target - 1][1] - ONE;
11442 if (target == currentMove + 1) {
11443 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11445 if (appData.highlightLastMove) {
11446 SetHighlights(fromX, fromY, toX, toY);
11450 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11451 gameMode == Training || gameMode == PlayFromGameFile ||
11452 gameMode == AnalyzeFile) {
11453 while (currentMove < target) {
11454 SendMoveToProgram(currentMove++, &first);
11457 currentMove = target;
11460 if (gameMode == EditGame || gameMode == EndOfGame) {
11461 whiteTimeRemaining = timeRemaining[0][currentMove];
11462 blackTimeRemaining = timeRemaining[1][currentMove];
11464 DisplayBothClocks();
11465 DisplayMove(currentMove - 1);
11466 DrawPosition(FALSE, boards[currentMove]);
11467 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
11468 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
11469 DisplayComment(currentMove - 1, commentList[currentMove]);
11477 if (gameMode == IcsExamining && !pausing) {
11478 SendToICS(ics_prefix);
11479 SendToICS("forward\n");
11481 ForwardInner(currentMove + 1);
11488 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
11489 /* to optimze, we temporarily turn off analysis mode while we feed
11490 * the remaining moves to the engine. Otherwise we get analysis output
11493 if (first.analysisSupport) {
11494 SendToProgram("exit\nforce\n", &first);
11495 first.analyzing = FALSE;
11499 if (gameMode == IcsExamining && !pausing) {
11500 SendToICS(ics_prefix);
11501 SendToICS("forward 999999\n");
11503 ForwardInner(forwardMostMove);
11506 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
11507 /* we have fed all the moves, so reactivate analysis mode */
11508 SendToProgram("analyze\n", &first);
11509 first.analyzing = TRUE;
11510 /*first.maybeThinking = TRUE;*/
11511 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11516 BackwardInner(target)
11519 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
11521 if (appData.debugMode)
11522 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
11523 target, currentMove, forwardMostMove);
11525 if (gameMode == EditPosition) return;
11526 if (currentMove <= backwardMostMove) {
11528 DrawPosition(full_redraw, boards[currentMove]);
11531 if (gameMode == PlayFromGameFile && !pausing)
11534 if (moveList[target][0]) {
11535 int fromX, fromY, toX, toY;
11536 toX = moveList[target][2] - AAA;
11537 toY = moveList[target][3] - ONE;
11538 if (moveList[target][1] == '@') {
11539 if (appData.highlightLastMove) {
11540 SetHighlights(-1, -1, toX, toY);
11543 fromX = moveList[target][0] - AAA;
11544 fromY = moveList[target][1] - ONE;
11545 if (target == currentMove - 1) {
11546 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
11548 if (appData.highlightLastMove) {
11549 SetHighlights(fromX, fromY, toX, toY);
11553 if (gameMode == EditGame || gameMode==AnalyzeMode ||
11554 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
11555 while (currentMove > target) {
11556 SendToProgram("undo\n", &first);
11560 currentMove = target;
11563 if (gameMode == EditGame || gameMode == EndOfGame) {
11564 whiteTimeRemaining = timeRemaining[0][currentMove];
11565 blackTimeRemaining = timeRemaining[1][currentMove];
11567 DisplayBothClocks();
11568 DisplayMove(currentMove - 1);
11569 DrawPosition(full_redraw, boards[currentMove]);
11570 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
11571 // [HGM] PV info: routine tests if comment empty
11572 DisplayComment(currentMove - 1, commentList[currentMove]);
11578 if (gameMode == IcsExamining && !pausing) {
11579 SendToICS(ics_prefix);
11580 SendToICS("backward\n");
11582 BackwardInner(currentMove - 1);
11589 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
11590 /* to optimze, we temporarily turn off analysis mode while we undo
11591 * all the moves. Otherwise we get analysis output after each undo.
11593 if (first.analysisSupport) {
11594 SendToProgram("exit\nforce\n", &first);
11595 first.analyzing = FALSE;
11599 if (gameMode == IcsExamining && !pausing) {
11600 SendToICS(ics_prefix);
11601 SendToICS("backward 999999\n");
11603 BackwardInner(backwardMostMove);
11606 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
11607 /* we have fed all the moves, so reactivate analysis mode */
11608 SendToProgram("analyze\n", &first);
11609 first.analyzing = TRUE;
11610 /*first.maybeThinking = TRUE;*/
11611 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11618 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
11619 if (to >= forwardMostMove) to = forwardMostMove;
11620 if (to <= backwardMostMove) to = backwardMostMove;
11621 if (to < currentMove) {
11631 if (gameMode != IcsExamining) {
11632 DisplayError(_("You are not examining a game"), 0);
11636 DisplayError(_("You can't revert while pausing"), 0);
11639 SendToICS(ics_prefix);
11640 SendToICS("revert\n");
11646 switch (gameMode) {
11647 case MachinePlaysWhite:
11648 case MachinePlaysBlack:
11649 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11650 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11653 if (forwardMostMove < 2) return;
11654 currentMove = forwardMostMove = forwardMostMove - 2;
11655 whiteTimeRemaining = timeRemaining[0][currentMove];
11656 blackTimeRemaining = timeRemaining[1][currentMove];
11657 DisplayBothClocks();
11658 DisplayMove(currentMove - 1);
11659 ClearHighlights();/*!! could figure this out*/
11660 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
11661 SendToProgram("remove\n", &first);
11662 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
11665 case BeginningOfGame:
11669 case IcsPlayingWhite:
11670 case IcsPlayingBlack:
11671 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
11672 SendToICS(ics_prefix);
11673 SendToICS("takeback 2\n");
11675 SendToICS(ics_prefix);
11676 SendToICS("takeback 1\n");
11685 ChessProgramState *cps;
11687 switch (gameMode) {
11688 case MachinePlaysWhite:
11689 if (!WhiteOnMove(forwardMostMove)) {
11690 DisplayError(_("It is your turn"), 0);
11695 case MachinePlaysBlack:
11696 if (WhiteOnMove(forwardMostMove)) {
11697 DisplayError(_("It is your turn"), 0);
11702 case TwoMachinesPlay:
11703 if (WhiteOnMove(forwardMostMove) ==
11704 (first.twoMachinesColor[0] == 'w')) {
11710 case BeginningOfGame:
11714 SendToProgram("?\n", cps);
11718 TruncateGameEvent()
11721 if (gameMode != EditGame) return;
11728 if (forwardMostMove > currentMove) {
11729 if (gameInfo.resultDetails != NULL) {
11730 free(gameInfo.resultDetails);
11731 gameInfo.resultDetails = NULL;
11732 gameInfo.result = GameUnfinished;
11734 forwardMostMove = currentMove;
11735 HistorySet(parseList, backwardMostMove, forwardMostMove,
11743 if (appData.noChessProgram) return;
11744 switch (gameMode) {
11745 case MachinePlaysWhite:
11746 if (WhiteOnMove(forwardMostMove)) {
11747 DisplayError(_("Wait until your turn"), 0);
11751 case BeginningOfGame:
11752 case MachinePlaysBlack:
11753 if (!WhiteOnMove(forwardMostMove)) {
11754 DisplayError(_("Wait until your turn"), 0);
11759 DisplayError(_("No hint available"), 0);
11762 SendToProgram("hint\n", &first);
11763 hintRequested = TRUE;
11769 if (appData.noChessProgram) return;
11770 switch (gameMode) {
11771 case MachinePlaysWhite:
11772 if (WhiteOnMove(forwardMostMove)) {
11773 DisplayError(_("Wait until your turn"), 0);
11777 case BeginningOfGame:
11778 case MachinePlaysBlack:
11779 if (!WhiteOnMove(forwardMostMove)) {
11780 DisplayError(_("Wait until your turn"), 0);
11785 EditPositionDone();
11787 case TwoMachinesPlay:
11792 SendToProgram("bk\n", &first);
11793 bookOutput[0] = NULLCHAR;
11794 bookRequested = TRUE;
11800 char *tags = PGNTags(&gameInfo);
11801 TagsPopUp(tags, CmailMsg());
11805 /* end button procedures */
11808 PrintPosition(fp, move)
11814 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
11815 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
11816 char c = PieceToChar(boards[move][i][j]);
11817 fputc(c == 'x' ? '.' : c, fp);
11818 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
11821 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
11822 fprintf(fp, "white to play\n");
11824 fprintf(fp, "black to play\n");
11831 if (gameInfo.white != NULL) {
11832 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
11838 /* Find last component of program's own name, using some heuristics */
11840 TidyProgramName(prog, host, buf)
11841 char *prog, *host, buf[MSG_SIZ];
11844 int local = (strcmp(host, "localhost") == 0);
11845 while (!local && (p = strchr(prog, ';')) != NULL) {
11847 while (*p == ' ') p++;
11850 if (*prog == '"' || *prog == '\'') {
11851 q = strchr(prog + 1, *prog);
11853 q = strchr(prog, ' ');
11855 if (q == NULL) q = prog + strlen(prog);
11857 while (p >= prog && *p != '/' && *p != '\\') p--;
11859 if(p == prog && *p == '"') p++;
11860 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
11861 memcpy(buf, p, q - p);
11862 buf[q - p] = NULLCHAR;
11870 TimeControlTagValue()
11873 if (!appData.clockMode) {
11875 } else if (movesPerSession > 0) {
11876 sprintf(buf, "%d/%ld", movesPerSession, timeControl/1000);
11877 } else if (timeIncrement == 0) {
11878 sprintf(buf, "%ld", timeControl/1000);
11880 sprintf(buf, "%ld+%ld", timeControl/1000, timeIncrement/1000);
11882 return StrSave(buf);
11888 /* This routine is used only for certain modes */
11889 VariantClass v = gameInfo.variant;
11890 ClearGameInfo(&gameInfo);
11891 gameInfo.variant = v;
11893 switch (gameMode) {
11894 case MachinePlaysWhite:
11895 gameInfo.event = StrSave( appData.pgnEventHeader );
11896 gameInfo.site = StrSave(HostName());
11897 gameInfo.date = PGNDate();
11898 gameInfo.round = StrSave("-");
11899 gameInfo.white = StrSave(first.tidy);
11900 gameInfo.black = StrSave(UserName());
11901 gameInfo.timeControl = TimeControlTagValue();
11904 case MachinePlaysBlack:
11905 gameInfo.event = StrSave( appData.pgnEventHeader );
11906 gameInfo.site = StrSave(HostName());
11907 gameInfo.date = PGNDate();
11908 gameInfo.round = StrSave("-");
11909 gameInfo.white = StrSave(UserName());
11910 gameInfo.black = StrSave(first.tidy);
11911 gameInfo.timeControl = TimeControlTagValue();
11914 case TwoMachinesPlay:
11915 gameInfo.event = StrSave( appData.pgnEventHeader );
11916 gameInfo.site = StrSave(HostName());
11917 gameInfo.date = PGNDate();
11918 if (matchGame > 0) {
11920 sprintf(buf, "%d", matchGame);
11921 gameInfo.round = StrSave(buf);
11923 gameInfo.round = StrSave("-");
11925 if (first.twoMachinesColor[0] == 'w') {
11926 gameInfo.white = StrSave(first.tidy);
11927 gameInfo.black = StrSave(second.tidy);
11929 gameInfo.white = StrSave(second.tidy);
11930 gameInfo.black = StrSave(first.tidy);
11932 gameInfo.timeControl = TimeControlTagValue();
11936 gameInfo.event = StrSave("Edited game");
11937 gameInfo.site = StrSave(HostName());
11938 gameInfo.date = PGNDate();
11939 gameInfo.round = StrSave("-");
11940 gameInfo.white = StrSave("-");
11941 gameInfo.black = StrSave("-");
11945 gameInfo.event = StrSave("Edited position");
11946 gameInfo.site = StrSave(HostName());
11947 gameInfo.date = PGNDate();
11948 gameInfo.round = StrSave("-");
11949 gameInfo.white = StrSave("-");
11950 gameInfo.black = StrSave("-");
11953 case IcsPlayingWhite:
11954 case IcsPlayingBlack:
11959 case PlayFromGameFile:
11960 gameInfo.event = StrSave("Game from non-PGN file");
11961 gameInfo.site = StrSave(HostName());
11962 gameInfo.date = PGNDate();
11963 gameInfo.round = StrSave("-");
11964 gameInfo.white = StrSave("?");
11965 gameInfo.black = StrSave("?");
11974 ReplaceComment(index, text)
11980 while (*text == '\n') text++;
11981 len = strlen(text);
11982 while (len > 0 && text[len - 1] == '\n') len--;
11984 if (commentList[index] != NULL)
11985 free(commentList[index]);
11988 commentList[index] = NULL;
11991 commentList[index] = (char *) malloc(len + 2);
11992 strncpy(commentList[index], text, len);
11993 commentList[index][len] = '\n';
11994 commentList[index][len + 1] = NULLCHAR;
12007 if (ch == '\r') continue;
12009 } while (ch != '\0');
12013 AppendComment(index, text)
12020 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
12023 while (*text == '\n') text++;
12024 len = strlen(text);
12025 while (len > 0 && text[len - 1] == '\n') len--;
12027 if (len == 0) return;
12029 if (commentList[index] != NULL) {
12030 old = commentList[index];
12031 oldlen = strlen(old);
12032 commentList[index] = (char *) malloc(oldlen + len + 2);
12033 strcpy(commentList[index], old);
12035 strncpy(&commentList[index][oldlen], text, len);
12036 commentList[index][oldlen + len] = '\n';
12037 commentList[index][oldlen + len + 1] = NULLCHAR;
12039 commentList[index] = (char *) malloc(len + 2);
12040 strncpy(commentList[index], text, len);
12041 commentList[index][len] = '\n';
12042 commentList[index][len + 1] = NULLCHAR;
12046 static char * FindStr( char * text, char * sub_text )
12048 char * result = strstr( text, sub_text );
12050 if( result != NULL ) {
12051 result += strlen( sub_text );
12057 /* [AS] Try to extract PV info from PGN comment */
12058 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
12059 char *GetInfoFromComment( int index, char * text )
12063 if( text != NULL && index > 0 ) {
12066 int time = -1, sec = 0, deci;
12067 char * s_eval = FindStr( text, "[%eval " );
12068 char * s_emt = FindStr( text, "[%emt " );
12070 if( s_eval != NULL || s_emt != NULL ) {
12074 if( s_eval != NULL ) {
12075 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
12079 if( delim != ']' ) {
12084 if( s_emt != NULL ) {
12088 /* We expect something like: [+|-]nnn.nn/dd */
12091 sep = strchr( text, '/' );
12092 if( sep == NULL || sep < (text+4) ) {
12096 time = -1; sec = -1; deci = -1;
12097 if( sscanf( text, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
12098 sscanf( text, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
12099 sscanf( text, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
12100 sscanf( text, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
12104 if( score_lo < 0 || score_lo >= 100 ) {
12108 if(sec >= 0) time = 600*time + 10*sec; else
12109 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
12111 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
12113 /* [HGM] PV time: now locate end of PV info */
12114 while( *++sep >= '0' && *sep <= '9'); // strip depth
12116 while( *++sep >= '0' && *sep <= '9'); // strip time
12118 while( *++sep >= '0' && *sep <= '9'); // strip seconds
12120 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
12121 while(*sep == ' ') sep++;
12132 pvInfoList[index-1].depth = depth;
12133 pvInfoList[index-1].score = score;
12134 pvInfoList[index-1].time = 10*time; // centi-sec
12140 SendToProgram(message, cps)
12142 ChessProgramState *cps;
12144 int count, outCount, error;
12147 if (cps->pr == NULL) return;
12150 if (appData.debugMode) {
12153 fprintf(debugFP, "%ld >%-6s: %s",
12154 SubtractTimeMarks(&now, &programStartTime),
12155 cps->which, message);
12158 count = strlen(message);
12159 outCount = OutputToProcess(cps->pr, message, count, &error);
12160 if (outCount < count && !exiting
12161 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
12162 sprintf(buf, _("Error writing to %s chess program"), cps->which);
12163 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
12164 if(epStatus[forwardMostMove] <= EP_DRAWS) {
12165 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
12166 sprintf(buf, "%s program exits in draw position (%s)", cps->which, cps->program);
12168 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
12170 gameInfo.resultDetails = buf;
12172 DisplayFatalError(buf, error, 1);
12177 ReceiveFromProgram(isr, closure, message, count, error)
12178 InputSourceRef isr;
12186 ChessProgramState *cps = (ChessProgramState *)closure;
12188 if (isr != cps->isr) return; /* Killed intentionally */
12192 _("Error: %s chess program (%s) exited unexpectedly"),
12193 cps->which, cps->program);
12194 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
12195 if(epStatus[forwardMostMove] <= EP_DRAWS) {
12196 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
12197 sprintf(buf, _("%s program exits in draw position (%s)"), cps->which, cps->program);
12199 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
12201 gameInfo.resultDetails = buf;
12203 RemoveInputSource(cps->isr);
12204 DisplayFatalError(buf, 0, 1);
12207 _("Error reading from %s chess program (%s)"),
12208 cps->which, cps->program);
12209 RemoveInputSource(cps->isr);
12211 /* [AS] Program is misbehaving badly... kill it */
12212 if( count == -2 ) {
12213 DestroyChildProcess( cps->pr, 9 );
12217 DisplayFatalError(buf, error, 1);
12222 if ((end_str = strchr(message, '\r')) != NULL)
12223 *end_str = NULLCHAR;
12224 if ((end_str = strchr(message, '\n')) != NULL)
12225 *end_str = NULLCHAR;
12227 if (appData.debugMode) {
12228 TimeMark now; int print = 1;
12229 char *quote = ""; char c; int i;
12231 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
12232 char start = message[0];
12233 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
12234 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
12235 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
12236 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
12237 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
12238 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
12239 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
12240 sscanf(message, "pong %c", &c)!=1 && start != '#')
12241 { quote = "# "; print = (appData.engineComments == 2); }
12242 message[0] = start; // restore original message
12246 fprintf(debugFP, "%ld <%-6s: %s%s\n",
12247 SubtractTimeMarks(&now, &programStartTime), cps->which,
12253 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
12254 if (appData.icsEngineAnalyze) {
12255 if (strstr(message, "whisper") != NULL ||
12256 strstr(message, "kibitz") != NULL ||
12257 strstr(message, "tellics") != NULL) return;
12260 HandleMachineMove(message, cps);
12265 SendTimeControl(cps, mps, tc, inc, sd, st)
12266 ChessProgramState *cps;
12267 int mps, inc, sd, st;
12273 if( timeControl_2 > 0 ) {
12274 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
12275 tc = timeControl_2;
12278 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
12279 inc /= cps->timeOdds;
12280 st /= cps->timeOdds;
12282 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
12285 /* Set exact time per move, normally using st command */
12286 if (cps->stKludge) {
12287 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
12289 if (seconds == 0) {
12290 sprintf(buf, "level 1 %d\n", st/60);
12292 sprintf(buf, "level 1 %d:%02d\n", st/60, seconds);
12295 sprintf(buf, "st %d\n", st);
12298 /* Set conventional or incremental time control, using level command */
12299 if (seconds == 0) {
12300 /* Note old gnuchess bug -- minutes:seconds used to not work.
12301 Fixed in later versions, but still avoid :seconds
12302 when seconds is 0. */
12303 sprintf(buf, "level %d %ld %d\n", mps, tc/60000, inc/1000);
12305 sprintf(buf, "level %d %ld:%02d %d\n", mps, tc/60000,
12306 seconds, inc/1000);
12309 SendToProgram(buf, cps);
12311 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
12312 /* Orthogonally, limit search to given depth */
12314 if (cps->sdKludge) {
12315 sprintf(buf, "depth\n%d\n", sd);
12317 sprintf(buf, "sd %d\n", sd);
12319 SendToProgram(buf, cps);
12322 if(cps->nps > 0) { /* [HGM] nps */
12323 if(cps->supportsNPS == FALSE) cps->nps = -1; // don't use if engine explicitly says not supported!
12325 sprintf(buf, "nps %d\n", cps->nps);
12326 SendToProgram(buf, cps);
12331 ChessProgramState *WhitePlayer()
12332 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
12334 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
12335 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
12341 SendTimeRemaining(cps, machineWhite)
12342 ChessProgramState *cps;
12343 int /*boolean*/ machineWhite;
12345 char message[MSG_SIZ];
12348 /* Note: this routine must be called when the clocks are stopped
12349 or when they have *just* been set or switched; otherwise
12350 it will be off by the time since the current tick started.
12352 if (machineWhite) {
12353 time = whiteTimeRemaining / 10;
12354 otime = blackTimeRemaining / 10;
12356 time = blackTimeRemaining / 10;
12357 otime = whiteTimeRemaining / 10;
12359 /* [HGM] translate opponent's time by time-odds factor */
12360 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
12361 if (appData.debugMode) {
12362 fprintf(debugFP, "time odds: %d %d \n", cps->timeOdds, cps->other->timeOdds);
12365 if (time <= 0) time = 1;
12366 if (otime <= 0) otime = 1;
12368 sprintf(message, "time %ld\n", time);
12369 SendToProgram(message, cps);
12371 sprintf(message, "otim %ld\n", otime);
12372 SendToProgram(message, cps);
12376 BoolFeature(p, name, loc, cps)
12380 ChessProgramState *cps;
12383 int len = strlen(name);
12385 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
12387 sscanf(*p, "%d", &val);
12389 while (**p && **p != ' ') (*p)++;
12390 sprintf(buf, "accepted %s\n", name);
12391 SendToProgram(buf, cps);
12398 IntFeature(p, name, loc, cps)
12402 ChessProgramState *cps;
12405 int len = strlen(name);
12406 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
12408 sscanf(*p, "%d", loc);
12409 while (**p && **p != ' ') (*p)++;
12410 sprintf(buf, "accepted %s\n", name);
12411 SendToProgram(buf, cps);
12418 StringFeature(p, name, loc, cps)
12422 ChessProgramState *cps;
12425 int len = strlen(name);
12426 if (strncmp((*p), name, len) == 0
12427 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
12429 sscanf(*p, "%[^\"]", loc);
12430 while (**p && **p != '\"') (*p)++;
12431 if (**p == '\"') (*p)++;
12432 sprintf(buf, "accepted %s\n", name);
12433 SendToProgram(buf, cps);
12440 ParseOption(Option *opt, ChessProgramState *cps)
12441 // [HGM] options: process the string that defines an engine option, and determine
12442 // name, type, default value, and allowed value range
12444 char *p, *q, buf[MSG_SIZ];
12445 int n, min = (-1)<<31, max = 1<<31, def;
12447 if(p = strstr(opt->name, " -spin ")) {
12448 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
12449 if(max < min) max = min; // enforce consistency
12450 if(def < min) def = min;
12451 if(def > max) def = max;
12456 } else if((p = strstr(opt->name, " -slider "))) {
12457 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
12458 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
12459 if(max < min) max = min; // enforce consistency
12460 if(def < min) def = min;
12461 if(def > max) def = max;
12465 opt->type = Spin; // Slider;
12466 } else if((p = strstr(opt->name, " -string "))) {
12467 opt->textValue = p+9;
12468 opt->type = TextBox;
12469 } else if((p = strstr(opt->name, " -file "))) {
12470 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
12471 opt->textValue = p+7;
12472 opt->type = TextBox; // FileName;
12473 } else if((p = strstr(opt->name, " -path "))) {
12474 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
12475 opt->textValue = p+7;
12476 opt->type = TextBox; // PathName;
12477 } else if(p = strstr(opt->name, " -check ")) {
12478 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
12479 opt->value = (def != 0);
12480 opt->type = CheckBox;
12481 } else if(p = strstr(opt->name, " -combo ")) {
12482 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
12483 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
12484 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
12485 opt->value = n = 0;
12486 while(q = StrStr(q, " /// ")) {
12487 n++; *q = 0; // count choices, and null-terminate each of them
12489 if(*q == '*') { // remember default, which is marked with * prefix
12493 cps->comboList[cps->comboCnt++] = q;
12495 cps->comboList[cps->comboCnt++] = NULL;
12497 opt->type = ComboBox;
12498 } else if(p = strstr(opt->name, " -button")) {
12499 opt->type = Button;
12500 } else if(p = strstr(opt->name, " -save")) {
12501 opt->type = SaveButton;
12502 } else return FALSE;
12503 *p = 0; // terminate option name
12504 // now look if the command-line options define a setting for this engine option.
12505 if(cps->optionSettings && cps->optionSettings[0])
12506 p = strstr(cps->optionSettings, opt->name); else p = NULL;
12507 if(p && (p == cps->optionSettings || p[-1] == ',')) {
12508 sprintf(buf, "option %s", p);
12509 if(p = strstr(buf, ",")) *p = 0;
12511 SendToProgram(buf, cps);
12517 FeatureDone(cps, val)
12518 ChessProgramState* cps;
12521 DelayedEventCallback cb = GetDelayedEvent();
12522 if ((cb == InitBackEnd3 && cps == &first) ||
12523 (cb == TwoMachinesEventIfReady && cps == &second)) {
12524 CancelDelayedEvent();
12525 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
12527 cps->initDone = val;
12530 /* Parse feature command from engine */
12532 ParseFeatures(args, cps)
12534 ChessProgramState *cps;
12542 while (*p == ' ') p++;
12543 if (*p == NULLCHAR) return;
12545 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
12546 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
12547 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
12548 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
12549 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
12550 if (BoolFeature(&p, "reuse", &val, cps)) {
12551 /* Engine can disable reuse, but can't enable it if user said no */
12552 if (!val) cps->reuse = FALSE;
12555 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
12556 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
12557 if (gameMode == TwoMachinesPlay) {
12558 DisplayTwoMachinesTitle();
12564 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
12565 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
12566 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
12567 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
12568 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
12569 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
12570 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
12571 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
12572 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
12573 if (IntFeature(&p, "done", &val, cps)) {
12574 FeatureDone(cps, val);
12577 /* Added by Tord: */
12578 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
12579 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
12580 /* End of additions by Tord */
12582 /* [HGM] added features: */
12583 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
12584 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
12585 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
12586 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
12587 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
12588 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
12589 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
12590 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
12591 sprintf(buf, "rejected option %s\n", cps->option[--cps->nrOptions].name);
12592 SendToProgram(buf, cps);
12595 if(cps->nrOptions >= MAX_OPTIONS) {
12597 sprintf(buf, "%s engine has too many options\n", cps->which);
12598 DisplayError(buf, 0);
12602 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
12603 /* End of additions by HGM */
12605 /* unknown feature: complain and skip */
12607 while (*q && *q != '=') q++;
12608 sprintf(buf, "rejected %.*s\n", q-p, p);
12609 SendToProgram(buf, cps);
12615 while (*p && *p != '\"') p++;
12616 if (*p == '\"') p++;
12618 while (*p && *p != ' ') p++;
12626 PeriodicUpdatesEvent(newState)
12629 if (newState == appData.periodicUpdates)
12632 appData.periodicUpdates=newState;
12634 /* Display type changes, so update it now */
12637 /* Get the ball rolling again... */
12639 AnalysisPeriodicEvent(1);
12640 StartAnalysisClock();
12645 PonderNextMoveEvent(newState)
12648 if (newState == appData.ponderNextMove) return;
12649 if (gameMode == EditPosition) EditPositionDone();
12651 SendToProgram("hard\n", &first);
12652 if (gameMode == TwoMachinesPlay) {
12653 SendToProgram("hard\n", &second);
12656 SendToProgram("easy\n", &first);
12657 thinkOutput[0] = NULLCHAR;
12658 if (gameMode == TwoMachinesPlay) {
12659 SendToProgram("easy\n", &second);
12662 appData.ponderNextMove = newState;
12666 NewSettingEvent(option, command, value)
12672 if (gameMode == EditPosition) EditPositionDone();
12673 sprintf(buf, "%s%s %d\n", (option ? "option ": ""), command, value);
12674 SendToProgram(buf, &first);
12675 if (gameMode == TwoMachinesPlay) {
12676 SendToProgram(buf, &second);
12681 ShowThinkingEvent()
12682 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
12684 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
12685 int newState = appData.showThinking
12686 // [HGM] thinking: other features now need thinking output as well
12687 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
12689 if (oldState == newState) return;
12690 oldState = newState;
12691 if (gameMode == EditPosition) EditPositionDone();
12693 SendToProgram("post\n", &first);
12694 if (gameMode == TwoMachinesPlay) {
12695 SendToProgram("post\n", &second);
12698 SendToProgram("nopost\n", &first);
12699 thinkOutput[0] = NULLCHAR;
12700 if (gameMode == TwoMachinesPlay) {
12701 SendToProgram("nopost\n", &second);
12704 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
12708 AskQuestionEvent(title, question, replyPrefix, which)
12709 char *title; char *question; char *replyPrefix; char *which;
12711 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
12712 if (pr == NoProc) return;
12713 AskQuestion(title, question, replyPrefix, pr);
12717 DisplayMove(moveNumber)
12720 char message[MSG_SIZ];
12722 char cpThinkOutput[MSG_SIZ];
12724 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
12726 if (moveNumber == forwardMostMove - 1 ||
12727 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12729 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput));
12731 if (strchr(cpThinkOutput, '\n')) {
12732 *strchr(cpThinkOutput, '\n') = NULLCHAR;
12735 *cpThinkOutput = NULLCHAR;
12738 /* [AS] Hide thinking from human user */
12739 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
12740 *cpThinkOutput = NULLCHAR;
12741 if( thinkOutput[0] != NULLCHAR ) {
12744 for( i=0; i<=hiddenThinkOutputState; i++ ) {
12745 cpThinkOutput[i] = '.';
12747 cpThinkOutput[i] = NULLCHAR;
12748 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
12752 if (moveNumber == forwardMostMove - 1 &&
12753 gameInfo.resultDetails != NULL) {
12754 if (gameInfo.resultDetails[0] == NULLCHAR) {
12755 sprintf(res, " %s", PGNResult(gameInfo.result));
12757 sprintf(res, " {%s} %s",
12758 gameInfo.resultDetails, PGNResult(gameInfo.result));
12764 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
12765 DisplayMessage(res, cpThinkOutput);
12767 sprintf(message, "%d.%s%s%s", moveNumber / 2 + 1,
12768 WhiteOnMove(moveNumber) ? " " : ".. ",
12769 parseList[moveNumber], res);
12770 DisplayMessage(message, cpThinkOutput);
12775 DisplayAnalysisText(text)
12778 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile
12779 || appData.icsEngineAnalyze)
12781 EngineOutputPopUp();
12789 while (*str && isspace(*str)) ++str;
12790 while (*str && !isspace(*str)) ++str;
12791 if (!*str) return 1;
12792 while (*str && isspace(*str)) ++str;
12793 if (!*str) return 1;
12801 char lst[MSG_SIZ / 2];
12803 static char *xtra[] = { "", " (--)", " (++)" };
12806 if (programStats.time == 0) {
12807 programStats.time = 1;
12810 if (programStats.got_only_move) {
12811 safeStrCpy(buf, programStats.movelist, sizeof(buf));
12813 safeStrCpy( lst, programStats.movelist, sizeof(lst));
12815 nps = (u64ToDouble(programStats.nodes) /
12816 ((double)programStats.time /100.0));
12818 cs = programStats.time % 100;
12819 s = programStats.time / 100;
12825 if (programStats.moves_left > 0 && appData.periodicUpdates) {
12826 if (programStats.move_name[0] != NULLCHAR) {
12827 sprintf(buf, "depth=%d %d/%d(%s) %+.2f %s%s\nNodes: " u64Display " NPS: %d\nTime: %02d:%02d:%02d.%02d",
12828 programStats.depth,
12829 programStats.nr_moves-programStats.moves_left,
12830 programStats.nr_moves, programStats.move_name,
12831 ((float)programStats.score)/100.0, lst,
12832 only_one_move(lst)?
12833 xtra[programStats.got_fail] : "",
12834 (u64)programStats.nodes, (int)nps, h, m, s, cs);
12836 sprintf(buf, "depth=%d %d/%d %+.2f %s%s\nNodes: " u64Display " NPS: %d\nTime: %02d:%02d:%02d.%02d",
12837 programStats.depth,
12838 programStats.nr_moves-programStats.moves_left,
12839 programStats.nr_moves, ((float)programStats.score)/100.0,
12841 only_one_move(lst)?
12842 xtra[programStats.got_fail] : "",
12843 (u64)programStats.nodes, (int)nps, h, m, s, cs);
12846 sprintf(buf, "depth=%d %+.2f %s%s\nNodes: " u64Display " NPS: %d\nTime: %02d:%02d:%02d.%02d",
12847 programStats.depth,
12848 ((float)programStats.score)/100.0,
12850 only_one_move(lst)?
12851 xtra[programStats.got_fail] : "",
12852 (u64)programStats.nodes, (int)nps, h, m, s, cs);
12855 DisplayAnalysisText(buf);
12859 DisplayComment(moveNumber, text)
12863 char title[MSG_SIZ];
12864 char buf[8000]; // comment can be long!
12867 if( appData.autoDisplayComment ) {
12868 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
12869 strcpy(title, "Comment");
12871 sprintf(title, "Comment on %d.%s%s", moveNumber / 2 + 1,
12872 WhiteOnMove(moveNumber) ? " " : ".. ",
12873 parseList[moveNumber]);
12875 // [HGM] PV info: display PV info together with (or as) comment
12876 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
12877 if(text == NULL) text = "";
12878 score = pvInfoList[moveNumber].score;
12879 sprintf(buf, "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
12880 depth, (pvInfoList[moveNumber].time+50)/100, text);
12883 } else title[0] = 0;
12886 CommentPopUp(title, text);
12889 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
12890 * might be busy thinking or pondering. It can be omitted if your
12891 * gnuchess is configured to stop thinking immediately on any user
12892 * input. However, that gnuchess feature depends on the FIONREAD
12893 * ioctl, which does not work properly on some flavors of Unix.
12897 ChessProgramState *cps;
12900 if (!cps->useSigint) return;
12901 if (appData.noChessProgram || (cps->pr == NoProc)) return;
12902 switch (gameMode) {
12903 case MachinePlaysWhite:
12904 case MachinePlaysBlack:
12905 case TwoMachinesPlay:
12906 case IcsPlayingWhite:
12907 case IcsPlayingBlack:
12910 /* Skip if we know it isn't thinking */
12911 if (!cps->maybeThinking) return;
12912 if (appData.debugMode)
12913 fprintf(debugFP, "Interrupting %s\n", cps->which);
12914 InterruptChildProcess(cps->pr);
12915 cps->maybeThinking = FALSE;
12920 #endif /*ATTENTION*/
12926 if (whiteTimeRemaining <= 0) {
12929 if (appData.icsActive) {
12930 if (appData.autoCallFlag &&
12931 gameMode == IcsPlayingBlack && !blackFlag) {
12932 SendToICS(ics_prefix);
12933 SendToICS("flag\n");
12937 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
12939 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
12940 if (appData.autoCallFlag) {
12941 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
12948 if (blackTimeRemaining <= 0) {
12951 if (appData.icsActive) {
12952 if (appData.autoCallFlag &&
12953 gameMode == IcsPlayingWhite && !whiteFlag) {
12954 SendToICS(ics_prefix);
12955 SendToICS("flag\n");
12959 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
12961 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
12962 if (appData.autoCallFlag) {
12963 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
12976 if (!appData.clockMode || appData.icsActive ||
12977 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
12980 * add time to clocks when time control is achieved ([HGM] now also used for increment)
12982 if ( !WhiteOnMove(forwardMostMove) )
12983 /* White made time control */
12984 whiteTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
12985 /* [HGM] time odds: correct new time quota for time odds! */
12986 / WhitePlayer()->timeOdds;
12988 /* Black made time control */
12989 blackTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
12990 / WhitePlayer()->other->timeOdds;
12994 DisplayBothClocks()
12996 int wom = gameMode == EditPosition ?
12997 !blackPlaysFirst : WhiteOnMove(currentMove);
12998 DisplayWhiteClock(whiteTimeRemaining, wom);
12999 DisplayBlackClock(blackTimeRemaining, !wom);
13003 /* Timekeeping seems to be a portability nightmare. I think everyone
13004 has ftime(), but I'm really not sure, so I'm including some ifdefs
13005 to use other calls if you don't. Clocks will be less accurate if
13006 you have neither ftime nor gettimeofday.
13009 /* VS 2008 requires the #include outside of the function */
13010 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
13011 #include <sys/timeb.h>
13014 /* Get the current time as a TimeMark */
13019 #if HAVE_GETTIMEOFDAY
13021 struct timeval timeVal;
13022 struct timezone timeZone;
13024 gettimeofday(&timeVal, &timeZone);
13025 tm->sec = (long) timeVal.tv_sec;
13026 tm->ms = (int) (timeVal.tv_usec / 1000L);
13028 #else /*!HAVE_GETTIMEOFDAY*/
13031 // include <sys/timeb.h> / moved to just above start of function
13032 struct timeb timeB;
13035 tm->sec = (long) timeB.time;
13036 tm->ms = (int) timeB.millitm;
13038 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
13039 tm->sec = (long) time(NULL);
13045 /* Return the difference in milliseconds between two
13046 time marks. We assume the difference will fit in a long!
13049 SubtractTimeMarks(tm2, tm1)
13050 TimeMark *tm2, *tm1;
13052 return 1000L*(tm2->sec - tm1->sec) +
13053 (long) (tm2->ms - tm1->ms);
13058 * Code to manage the game clocks.
13060 * In tournament play, black starts the clock and then white makes a move.
13061 * We give the human user a slight advantage if he is playing white---the
13062 * clocks don't run until he makes his first move, so it takes zero time.
13063 * Also, we don't account for network lag, so we could get out of sync
13064 * with GNU Chess's clock -- but then, referees are always right.
13067 static TimeMark tickStartTM;
13068 static long intendedTickLength;
13071 NextTickLength(timeRemaining)
13072 long timeRemaining;
13074 long nominalTickLength, nextTickLength;
13076 if (timeRemaining > 0L && timeRemaining <= 10000L)
13077 nominalTickLength = 100L;
13079 nominalTickLength = 1000L;
13080 nextTickLength = timeRemaining % nominalTickLength;
13081 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
13083 return nextTickLength;
13086 /* Adjust clock one minute up or down */
13088 AdjustClock(Boolean which, int dir)
13090 if(which) blackTimeRemaining += 60000*dir;
13091 else whiteTimeRemaining += 60000*dir;
13092 DisplayBothClocks();
13095 /* Stop clocks and reset to a fresh time control */
13099 (void) StopClockTimer();
13100 if (appData.icsActive) {
13101 whiteTimeRemaining = blackTimeRemaining = 0;
13102 } else { /* [HGM] correct new time quote for time odds */
13103 whiteTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->timeOdds;
13104 blackTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->other->timeOdds;
13106 if (whiteFlag || blackFlag) {
13108 whiteFlag = blackFlag = FALSE;
13110 DisplayBothClocks();
13113 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
13115 /* Decrement running clock by amount of time that has passed */
13119 long timeRemaining;
13120 long lastTickLength, fudge;
13123 if (!appData.clockMode) return;
13124 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
13128 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
13130 /* Fudge if we woke up a little too soon */
13131 fudge = intendedTickLength - lastTickLength;
13132 if (fudge < 0 || fudge > FUDGE) fudge = 0;
13134 if (WhiteOnMove(forwardMostMove)) {
13135 if(whiteNPS >= 0) lastTickLength = 0;
13136 timeRemaining = whiteTimeRemaining -= lastTickLength;
13137 DisplayWhiteClock(whiteTimeRemaining - fudge,
13138 WhiteOnMove(currentMove));
13140 if(blackNPS >= 0) lastTickLength = 0;
13141 timeRemaining = blackTimeRemaining -= lastTickLength;
13142 DisplayBlackClock(blackTimeRemaining - fudge,
13143 !WhiteOnMove(currentMove));
13146 if (CheckFlags()) return;
13149 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
13150 StartClockTimer(intendedTickLength);
13152 /* if the time remaining has fallen below the alarm threshold, sound the
13153 * alarm. if the alarm has sounded and (due to a takeback or time control
13154 * with increment) the time remaining has increased to a level above the
13155 * threshold, reset the alarm so it can sound again.
13158 if (appData.icsActive && appData.icsAlarm) {
13160 /* make sure we are dealing with the user's clock */
13161 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
13162 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
13165 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
13166 alarmSounded = FALSE;
13167 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
13169 alarmSounded = TRUE;
13175 /* A player has just moved, so stop the previously running
13176 clock and (if in clock mode) start the other one.
13177 We redisplay both clocks in case we're in ICS mode, because
13178 ICS gives us an update to both clocks after every move.
13179 Note that this routine is called *after* forwardMostMove
13180 is updated, so the last fractional tick must be subtracted
13181 from the color that is *not* on move now.
13186 long lastTickLength;
13188 int flagged = FALSE;
13192 if (StopClockTimer() && appData.clockMode) {
13193 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
13194 if (WhiteOnMove(forwardMostMove)) {
13195 if(blackNPS >= 0) lastTickLength = 0;
13196 blackTimeRemaining -= lastTickLength;
13197 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
13198 // if(pvInfoList[forwardMostMove-1].time == -1)
13199 pvInfoList[forwardMostMove-1].time = // use GUI time
13200 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
13202 if(whiteNPS >= 0) lastTickLength = 0;
13203 whiteTimeRemaining -= lastTickLength;
13204 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
13205 // if(pvInfoList[forwardMostMove-1].time == -1)
13206 pvInfoList[forwardMostMove-1].time =
13207 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
13209 flagged = CheckFlags();
13211 CheckTimeControl();
13213 if (flagged || !appData.clockMode) return;
13215 switch (gameMode) {
13216 case MachinePlaysBlack:
13217 case MachinePlaysWhite:
13218 case BeginningOfGame:
13219 if (pausing) return;
13223 case PlayFromGameFile:
13232 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
13233 whiteTimeRemaining : blackTimeRemaining);
13234 StartClockTimer(intendedTickLength);
13238 /* Stop both clocks */
13242 long lastTickLength;
13245 if (!StopClockTimer()) return;
13246 if (!appData.clockMode) return;
13250 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
13251 if (WhiteOnMove(forwardMostMove)) {
13252 if(whiteNPS >= 0) lastTickLength = 0;
13253 whiteTimeRemaining -= lastTickLength;
13254 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
13256 if(blackNPS >= 0) lastTickLength = 0;
13257 blackTimeRemaining -= lastTickLength;
13258 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
13263 /* Start clock of player on move. Time may have been reset, so
13264 if clock is already running, stop and restart it. */
13268 (void) StopClockTimer(); /* in case it was running already */
13269 DisplayBothClocks();
13270 if (CheckFlags()) return;
13272 if (!appData.clockMode) return;
13273 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
13275 GetTimeMark(&tickStartTM);
13276 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
13277 whiteTimeRemaining : blackTimeRemaining);
13279 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
13280 whiteNPS = blackNPS = -1;
13281 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
13282 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
13283 whiteNPS = first.nps;
13284 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
13285 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
13286 blackNPS = first.nps;
13287 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
13288 whiteNPS = second.nps;
13289 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
13290 blackNPS = second.nps;
13291 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
13293 StartClockTimer(intendedTickLength);
13300 long second, minute, hour, day;
13302 static char buf[32];
13304 if (ms > 0 && ms <= 9900) {
13305 /* convert milliseconds to tenths, rounding up */
13306 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
13308 sprintf(buf, " %03.1f ", tenths/10.0);
13312 /* convert milliseconds to seconds, rounding up */
13313 /* use floating point to avoid strangeness of integer division
13314 with negative dividends on many machines */
13315 second = (long) floor(((double) (ms + 999L)) / 1000.0);
13322 day = second / (60 * 60 * 24);
13323 second = second % (60 * 60 * 24);
13324 hour = second / (60 * 60);
13325 second = second % (60 * 60);
13326 minute = second / 60;
13327 second = second % 60;
13330 sprintf(buf, " %s%ld:%02ld:%02ld:%02ld ",
13331 sign, day, hour, minute, second);
13333 sprintf(buf, " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
13335 sprintf(buf, " %s%2ld:%02ld ", sign, minute, second);
13342 * This is necessary because some C libraries aren't ANSI C compliant yet.
13345 StrStr(string, match)
13346 char *string, *match;
13350 length = strlen(match);
13352 for (i = strlen(string) - length; i >= 0; i--, string++)
13353 if (!strncmp(match, string, length))
13360 StrCaseStr(string, match)
13361 char *string, *match;
13365 length = strlen(match);
13367 for (i = strlen(string) - length; i >= 0; i--, string++) {
13368 for (j = 0; j < length; j++) {
13369 if (ToLower(match[j]) != ToLower(string[j]))
13372 if (j == length) return string;
13386 c1 = ToLower(*s1++);
13387 c2 = ToLower(*s2++);
13388 if (c1 > c2) return 1;
13389 if (c1 < c2) return -1;
13390 if (c1 == NULLCHAR) return 0;
13399 return isupper(c) ? tolower(c) : c;
13407 return islower(c) ? toupper(c) : c;
13409 #endif /* !_amigados */
13417 if ((ret = (char *) malloc(strlen(s) + 1))) {
13424 StrSavePtr(s, savePtr)
13425 char *s, **savePtr;
13430 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
13431 strcpy(*savePtr, s);
13443 clock = time((time_t *)NULL);
13444 tm = localtime(&clock);
13445 sprintf(buf, "%04d.%02d.%02d",
13446 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
13447 return StrSave(buf);
13452 PositionToFEN(move, overrideCastling)
13454 char *overrideCastling;
13456 int i, j, fromX, fromY, toX, toY;
13463 whiteToPlay = (gameMode == EditPosition) ?
13464 !blackPlaysFirst : (move % 2 == 0);
13467 /* Piece placement data */
13468 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13470 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
13471 if (boards[move][i][j] == EmptySquare) {
13473 } else { ChessSquare piece = boards[move][i][j];
13474 if (emptycount > 0) {
13475 if(emptycount<10) /* [HGM] can be >= 10 */
13476 *p++ = '0' + emptycount;
13477 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
13480 if(PieceToChar(piece) == '+') {
13481 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
13483 piece = (ChessSquare)(DEMOTED piece);
13485 *p++ = PieceToChar(piece);
13487 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
13488 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
13493 if (emptycount > 0) {
13494 if(emptycount<10) /* [HGM] can be >= 10 */
13495 *p++ = '0' + emptycount;
13496 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
13503 /* [HGM] print Crazyhouse or Shogi holdings */
13504 if( gameInfo.holdingsWidth ) {
13505 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
13507 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
13508 piece = boards[move][i][BOARD_WIDTH-1];
13509 if( piece != EmptySquare )
13510 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
13511 *p++ = PieceToChar(piece);
13513 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
13514 piece = boards[move][BOARD_HEIGHT-i-1][0];
13515 if( piece != EmptySquare )
13516 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
13517 *p++ = PieceToChar(piece);
13520 if( q == p ) *p++ = '-';
13526 *p++ = whiteToPlay ? 'w' : 'b';
13529 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
13530 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' ';
13532 if(nrCastlingRights) {
13534 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
13535 /* [HGM] write directly from rights */
13536 if(castlingRights[move][2] >= 0 &&
13537 castlingRights[move][0] >= 0 )
13538 *p++ = castlingRights[move][0] + AAA + 'A' - 'a';
13539 if(castlingRights[move][2] >= 0 &&
13540 castlingRights[move][1] >= 0 )
13541 *p++ = castlingRights[move][1] + AAA + 'A' - 'a';
13542 if(castlingRights[move][5] >= 0 &&
13543 castlingRights[move][3] >= 0 )
13544 *p++ = castlingRights[move][3] + AAA;
13545 if(castlingRights[move][5] >= 0 &&
13546 castlingRights[move][4] >= 0 )
13547 *p++ = castlingRights[move][4] + AAA;
13550 /* [HGM] write true castling rights */
13551 if( nrCastlingRights == 6 ) {
13552 if(castlingRights[move][0] == BOARD_RGHT-1 &&
13553 castlingRights[move][2] >= 0 ) *p++ = 'K';
13554 if(castlingRights[move][1] == BOARD_LEFT &&
13555 castlingRights[move][2] >= 0 ) *p++ = 'Q';
13556 if(castlingRights[move][3] == BOARD_RGHT-1 &&
13557 castlingRights[move][5] >= 0 ) *p++ = 'k';
13558 if(castlingRights[move][4] == BOARD_LEFT &&
13559 castlingRights[move][5] >= 0 ) *p++ = 'q';
13562 if (q == p) *p++ = '-'; /* No castling rights */
13566 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
13567 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier ) {
13568 /* En passant target square */
13569 if (move > backwardMostMove) {
13570 fromX = moveList[move - 1][0] - AAA;
13571 fromY = moveList[move - 1][1] - ONE;
13572 toX = moveList[move - 1][2] - AAA;
13573 toY = moveList[move - 1][3] - ONE;
13574 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
13575 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
13576 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
13578 /* 2-square pawn move just happened */
13580 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
13584 } else if(move == backwardMostMove) {
13585 // [HGM] perhaps we should always do it like this, and forget the above?
13586 if(epStatus[move] >= 0) {
13587 *p++ = epStatus[move] + AAA;
13588 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
13599 /* [HGM] find reversible plies */
13600 { int i = 0, j=move;
13602 if (appData.debugMode) { int k;
13603 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
13604 for(k=backwardMostMove; k<=forwardMostMove; k++)
13605 fprintf(debugFP, "e%d. p=%d\n", k, epStatus[k]);
13609 while(j > backwardMostMove && epStatus[j] <= EP_NONE) j--,i++;
13610 if( j == backwardMostMove ) i += initialRulePlies;
13611 sprintf(p, "%d ", i);
13612 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
13614 /* Fullmove number */
13615 sprintf(p, "%d", (move / 2) + 1);
13617 return StrSave(buf);
13621 ParseFEN(board, blackPlaysFirst, fen)
13623 int *blackPlaysFirst;
13633 /* [HGM] by default clear Crazyhouse holdings, if present */
13634 if(gameInfo.holdingsWidth) {
13635 for(i=0; i<BOARD_HEIGHT; i++) {
13636 board[i][0] = EmptySquare; /* black holdings */
13637 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
13638 board[i][1] = (ChessSquare) 0; /* black counts */
13639 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
13643 /* Piece placement data */
13644 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13647 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
13648 if (*p == '/') p++;
13649 emptycount = gameInfo.boardWidth - j;
13650 while (emptycount--)
13651 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
13653 #if(BOARD_SIZE >= 10)
13654 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
13655 p++; emptycount=10;
13656 if (j + emptycount > gameInfo.boardWidth) return FALSE;
13657 while (emptycount--)
13658 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
13660 } else if (isdigit(*p)) {
13661 emptycount = *p++ - '0';
13662 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
13663 if (j + emptycount > gameInfo.boardWidth) return FALSE;
13664 while (emptycount--)
13665 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
13666 } else if (*p == '+' || isalpha(*p)) {
13667 if (j >= gameInfo.boardWidth) return FALSE;
13669 piece = CharToPiece(*++p);
13670 if(piece == EmptySquare) return FALSE; /* unknown piece */
13671 piece = (ChessSquare) (PROMOTED piece ); p++;
13672 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
13673 } else piece = CharToPiece(*p++);
13675 if(piece==EmptySquare) return FALSE; /* unknown piece */
13676 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
13677 piece = (ChessSquare) (PROMOTED piece);
13678 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
13681 board[i][(j++)+gameInfo.holdingsWidth] = piece;
13687 while (*p == '/' || *p == ' ') p++;
13689 /* [HGM] look for Crazyhouse holdings here */
13690 while(*p==' ') p++;
13691 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
13693 if(*p == '-' ) *p++; /* empty holdings */ else {
13694 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
13695 /* if we would allow FEN reading to set board size, we would */
13696 /* have to add holdings and shift the board read so far here */
13697 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
13699 if((int) piece >= (int) BlackPawn ) {
13700 i = (int)piece - (int)BlackPawn;
13701 i = PieceToNumber((ChessSquare)i);
13702 if( i >= gameInfo.holdingsSize ) return FALSE;
13703 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
13704 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
13706 i = (int)piece - (int)WhitePawn;
13707 i = PieceToNumber((ChessSquare)i);
13708 if( i >= gameInfo.holdingsSize ) return FALSE;
13709 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
13710 board[i][BOARD_WIDTH-2]++; /* black holdings */
13714 if(*p == ']') *p++;
13717 while(*p == ' ') p++;
13722 *blackPlaysFirst = FALSE;
13725 *blackPlaysFirst = TRUE;
13731 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
13732 /* return the extra info in global variiables */
13734 /* set defaults in case FEN is incomplete */
13735 FENepStatus = EP_UNKNOWN;
13736 for(i=0; i<nrCastlingRights; i++ ) {
13737 FENcastlingRights[i] =
13738 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? -1 : initialRights[i];
13739 } /* assume possible unless obviously impossible */
13740 if(initialRights[0]>=0 && board[castlingRank[0]][initialRights[0]] != WhiteRook) FENcastlingRights[0] = -1;
13741 if(initialRights[1]>=0 && board[castlingRank[1]][initialRights[1]] != WhiteRook) FENcastlingRights[1] = -1;
13742 if(initialRights[2]>=0 && board[castlingRank[2]][initialRights[2]] != WhiteKing) FENcastlingRights[2] = -1;
13743 if(initialRights[3]>=0 && board[castlingRank[3]][initialRights[3]] != BlackRook) FENcastlingRights[3] = -1;
13744 if(initialRights[4]>=0 && board[castlingRank[4]][initialRights[4]] != BlackRook) FENcastlingRights[4] = -1;
13745 if(initialRights[5]>=0 && board[castlingRank[5]][initialRights[5]] != BlackKing) FENcastlingRights[5] = -1;
13748 while(*p==' ') p++;
13749 if(nrCastlingRights) {
13750 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
13751 /* castling indicator present, so default becomes no castlings */
13752 for(i=0; i<nrCastlingRights; i++ ) {
13753 FENcastlingRights[i] = -1;
13756 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
13757 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
13758 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
13759 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
13760 char c = *p++; int whiteKingFile=-1, blackKingFile=-1;
13762 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
13763 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
13764 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
13768 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
13769 FENcastlingRights[0] = i != whiteKingFile ? i : -1;
13770 FENcastlingRights[2] = whiteKingFile;
13773 for(i=BOARD_LEFT; board[0][i]!=WhiteRook && i<whiteKingFile; i++);
13774 FENcastlingRights[1] = i != whiteKingFile ? i : -1;
13775 FENcastlingRights[2] = whiteKingFile;
13778 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
13779 FENcastlingRights[3] = i != blackKingFile ? i : -1;
13780 FENcastlingRights[5] = blackKingFile;
13783 for(i=BOARD_LEFT; board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
13784 FENcastlingRights[4] = i != blackKingFile ? i : -1;
13785 FENcastlingRights[5] = blackKingFile;
13788 default: /* FRC castlings */
13789 if(c >= 'a') { /* black rights */
13790 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
13791 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
13792 if(i == BOARD_RGHT) break;
13793 FENcastlingRights[5] = i;
13795 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
13796 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
13798 FENcastlingRights[3] = c;
13800 FENcastlingRights[4] = c;
13801 } else { /* white rights */
13802 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
13803 if(board[0][i] == WhiteKing) break;
13804 if(i == BOARD_RGHT) break;
13805 FENcastlingRights[2] = i;
13806 c -= AAA - 'a' + 'A';
13807 if(board[0][c] >= WhiteKing) break;
13809 FENcastlingRights[0] = c;
13811 FENcastlingRights[1] = c;
13815 if (appData.debugMode) {
13816 fprintf(debugFP, "FEN castling rights:");
13817 for(i=0; i<nrCastlingRights; i++)
13818 fprintf(debugFP, " %d", FENcastlingRights[i]);
13819 fprintf(debugFP, "\n");
13822 while(*p==' ') p++;
13825 /* read e.p. field in games that know e.p. capture */
13826 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
13827 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier ) {
13829 p++; FENepStatus = EP_NONE;
13831 char c = *p++ - AAA;
13833 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
13834 if(*p >= '0' && *p <='9') *p++;
13840 if(sscanf(p, "%d", &i) == 1) {
13841 FENrulePlies = i; /* 50-move ply counter */
13842 /* (The move number is still ignored) */
13849 EditPositionPasteFEN(char *fen)
13852 Board initial_position;
13854 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
13855 DisplayError(_("Bad FEN position in clipboard"), 0);
13858 int savedBlackPlaysFirst = blackPlaysFirst;
13859 EditPositionEvent();
13860 blackPlaysFirst = savedBlackPlaysFirst;
13861 CopyBoard(boards[0], initial_position);
13862 /* [HGM] copy FEN attributes as well */
13864 initialRulePlies = FENrulePlies;
13865 epStatus[0] = FENepStatus;
13866 for( i=0; i<nrCastlingRights; i++ )
13867 castlingRights[0][i] = FENcastlingRights[i];
13869 EditPositionDone();
13870 DisplayBothClocks();
13871 DrawPosition(FALSE, boards[currentMove]);