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((Boolean fakeRights));
172 void PrintOpponents P((FILE *fp));
173 void PrintPosition P((FILE *fp, int move));
174 void StartChessProgram P((ChessProgramState *cps));
175 void SendToProgram P((char *message, ChessProgramState *cps));
176 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
177 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
178 char *buf, int count, int error));
179 void SendTimeControl P((ChessProgramState *cps,
180 int mps, long tc, int inc, int sd, int st));
181 char *TimeControlTagValue P((void));
182 void Attention P((ChessProgramState *cps));
183 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
184 void ResurrectChessProgram P((void));
185 void DisplayComment P((int moveNumber, char *text));
186 void DisplayMove P((int moveNumber));
188 void ParseGameHistory P((char *game));
189 void ParseBoard12 P((char *string));
190 void StartClocks P((void));
191 void SwitchClocks P((void));
192 void StopClocks P((void));
193 void ResetClocks P((void));
194 char *PGNDate P((void));
195 void SetGameInfo P((void));
196 Boolean ParseFEN P((Board board, int *blackPlaysFirst, char *fen));
197 int RegisterMove P((void));
198 void MakeRegisteredMove P((void));
199 void TruncateGame P((void));
200 int looking_at P((char *, int *, char *));
201 void CopyPlayerNameIntoFileName P((char **, char *));
202 char *SavePart P((char *));
203 int SaveGameOldStyle P((FILE *));
204 int SaveGamePGN P((FILE *));
205 void GetTimeMark P((TimeMark *));
206 long SubtractTimeMarks P((TimeMark *, TimeMark *));
207 int CheckFlags P((void));
208 long NextTickLength P((long));
209 void CheckTimeControl P((void));
210 void show_bytes P((FILE *, char *, int));
211 int string_to_rating P((char *str));
212 void ParseFeatures P((char* args, ChessProgramState *cps));
213 void InitBackEnd3 P((void));
214 void FeatureDone P((ChessProgramState* cps, int val));
215 void InitChessProgram P((ChessProgramState *cps, int setup));
216 void OutputKibitz(int window, char *text);
217 int PerpetualChase(int first, int last);
218 int EngineOutputIsUp();
219 void InitDrawingSizes(int x, int y);
222 extern void ConsoleCreate();
225 ChessProgramState *WhitePlayer();
226 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
227 int VerifyDisplayMode P(());
229 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
230 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
231 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
232 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
233 void ics_update_width P((int new_width));
234 extern char installDir[MSG_SIZ];
236 extern int tinyLayout, smallLayout;
237 ChessProgramStats programStats;
238 static int exiting = 0; /* [HGM] moved to top */
239 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
240 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
241 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
242 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
243 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
244 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
245 int opponentKibitzes;
246 int lastSavedGame; /* [HGM] save: ID of game */
247 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
248 extern int chatCount;
251 /* States for ics_getting_history */
253 #define H_REQUESTED 1
254 #define H_GOT_REQ_HEADER 2
255 #define H_GOT_UNREQ_HEADER 3
256 #define H_GETTING_MOVES 4
257 #define H_GOT_UNWANTED_HEADER 5
259 /* whosays values for GameEnds */
268 /* Maximum number of games in a cmail message */
269 #define CMAIL_MAX_GAMES 20
271 /* Different types of move when calling RegisterMove */
273 #define CMAIL_RESIGN 1
275 #define CMAIL_ACCEPT 3
277 /* Different types of result to remember for each game */
278 #define CMAIL_NOT_RESULT 0
279 #define CMAIL_OLD_RESULT 1
280 #define CMAIL_NEW_RESULT 2
282 /* Telnet protocol constants */
293 static char * safeStrCpy( char * dst, const char * src, size_t count )
295 assert( dst != NULL );
296 assert( src != NULL );
299 strncpy( dst, src, count );
300 dst[ count-1 ] = '\0';
304 /* Some compiler can't cast u64 to double
305 * This function do the job for us:
307 * We use the highest bit for cast, this only
308 * works if the highest bit is not
309 * in use (This should not happen)
311 * We used this for all compiler
314 u64ToDouble(u64 value)
317 u64 tmp = value & u64Const(0x7fffffffffffffff);
318 r = (double)(s64)tmp;
319 if (value & u64Const(0x8000000000000000))
320 r += 9.2233720368547758080e18; /* 2^63 */
324 /* Fake up flags for now, as we aren't keeping track of castling
325 availability yet. [HGM] Change of logic: the flag now only
326 indicates the type of castlings allowed by the rule of the game.
327 The actual rights themselves are maintained in the array
328 castlingRights, as part of the game history, and are not probed
334 int flags = F_ALL_CASTLE_OK;
335 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
336 switch (gameInfo.variant) {
338 flags &= ~F_ALL_CASTLE_OK;
339 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
340 flags |= F_IGNORE_CHECK;
342 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
345 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
347 case VariantKriegspiel:
348 flags |= F_KRIEGSPIEL_CAPTURE;
350 case VariantCapaRandom:
351 case VariantFischeRandom:
352 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
353 case VariantNoCastle:
354 case VariantShatranj:
356 flags &= ~F_ALL_CASTLE_OK;
364 FILE *gameFileFP, *debugFP;
367 [AS] Note: sometimes, the sscanf() function is used to parse the input
368 into a fixed-size buffer. Because of this, we must be prepared to
369 receive strings as long as the size of the input buffer, which is currently
370 set to 4K for Windows and 8K for the rest.
371 So, we must either allocate sufficiently large buffers here, or
372 reduce the size of the input buffer in the input reading part.
375 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
376 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
377 char thinkOutput1[MSG_SIZ*10];
379 ChessProgramState first, second;
381 /* premove variables */
384 int premoveFromX = 0;
385 int premoveFromY = 0;
386 int premovePromoChar = 0;
388 Boolean alarmSounded;
389 /* end premove variables */
391 char *ics_prefix = "$";
392 int ics_type = ICS_GENERIC;
394 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
395 int pauseExamForwardMostMove = 0;
396 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
397 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
398 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
399 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
400 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
401 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
402 int whiteFlag = FALSE, blackFlag = FALSE;
403 int userOfferedDraw = FALSE;
404 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
405 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
406 int cmailMoveType[CMAIL_MAX_GAMES];
407 long ics_clock_paused = 0;
408 ProcRef icsPR = NoProc, cmailPR = NoProc;
409 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
410 GameMode gameMode = BeginningOfGame;
411 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
412 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
413 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
414 int hiddenThinkOutputState = 0; /* [AS] */
415 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
416 int adjudicateLossPlies = 6;
417 char white_holding[64], black_holding[64];
418 TimeMark lastNodeCountTime;
419 long lastNodeCount=0;
420 int have_sent_ICS_logon = 0;
422 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement;
423 long timeControl_2; /* [AS] Allow separate time controls */
424 char *fullTimeControlString = NULL; /* [HGM] secondary TC: merge of MPS, TC and inc */
425 long timeRemaining[2][MAX_MOVES];
427 TimeMark programStartTime;
428 char ics_handle[MSG_SIZ];
429 int have_set_title = 0;
431 /* animateTraining preserves the state of appData.animate
432 * when Training mode is activated. This allows the
433 * response to be animated when appData.animate == TRUE and
434 * appData.animateDragging == TRUE.
436 Boolean animateTraining;
442 Board boards[MAX_MOVES];
443 /* [HGM] Following 7 needed for accurate legality tests: */
444 signed char epStatus[MAX_MOVES];
445 signed char castlingRights[MAX_MOVES][BOARD_SIZE]; // stores files for pieces with castling rights or -1
446 signed char castlingRank[BOARD_SIZE]; // and corresponding ranks
447 signed char initialRights[BOARD_SIZE], FENcastlingRights[BOARD_SIZE], fileRights[BOARD_SIZE];
448 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
449 int initialRulePlies, FENrulePlies;
451 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
454 int mute; // mute all sounds
456 ChessSquare FIDEArray[2][BOARD_SIZE] = {
457 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
458 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
459 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
460 BlackKing, BlackBishop, BlackKnight, BlackRook }
463 ChessSquare twoKingsArray[2][BOARD_SIZE] = {
464 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
465 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
466 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
467 BlackKing, BlackKing, BlackKnight, BlackRook }
470 ChessSquare KnightmateArray[2][BOARD_SIZE] = {
471 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
472 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
473 { BlackRook, BlackMan, BlackBishop, BlackQueen,
474 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
477 ChessSquare fairyArray[2][BOARD_SIZE] = { /* [HGM] Queen side differs from King side */
478 { WhiteCannon, WhiteNightrider, WhiteAlfil, WhiteQueen,
479 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
480 { BlackCannon, BlackNightrider, BlackAlfil, BlackQueen,
481 BlackKing, BlackBishop, BlackKnight, BlackRook }
484 ChessSquare ShatranjArray[2][BOARD_SIZE] = { /* [HGM] (movGen knows about Shatranj Q and P) */
485 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
486 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
487 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
488 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
493 ChessSquare ShogiArray[2][BOARD_SIZE] = {
494 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
495 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
496 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
497 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
500 ChessSquare XiangqiArray[2][BOARD_SIZE] = {
501 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
502 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
503 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
504 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
507 ChessSquare CapablancaArray[2][BOARD_SIZE] = {
508 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
509 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
510 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
511 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
514 ChessSquare GreatArray[2][BOARD_SIZE] = {
515 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
516 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
517 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
518 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
521 ChessSquare JanusArray[2][BOARD_SIZE] = {
522 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
523 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
524 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
525 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
529 ChessSquare GothicArray[2][BOARD_SIZE] = {
530 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
531 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
532 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
533 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
536 #define GothicArray CapablancaArray
540 ChessSquare FalconArray[2][BOARD_SIZE] = {
541 { WhiteRook, WhiteKnight, WhiteBishop, WhiteLance, WhiteQueen,
542 WhiteKing, WhiteLance, WhiteBishop, WhiteKnight, WhiteRook },
543 { BlackRook, BlackKnight, BlackBishop, BlackLance, BlackQueen,
544 BlackKing, BlackLance, BlackBishop, BlackKnight, BlackRook }
547 #define FalconArray CapablancaArray
550 #else // !(BOARD_SIZE>=10)
551 #define XiangqiPosition FIDEArray
552 #define CapablancaArray FIDEArray
553 #define GothicArray FIDEArray
554 #define GreatArray FIDEArray
555 #endif // !(BOARD_SIZE>=10)
558 ChessSquare CourierArray[2][BOARD_SIZE] = {
559 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
560 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
561 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
562 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
564 #else // !(BOARD_SIZE>=12)
565 #define CourierArray CapablancaArray
566 #endif // !(BOARD_SIZE>=12)
569 Board initialPosition;
572 /* Convert str to a rating. Checks for special cases of "----",
574 "++++", etc. Also strips ()'s */
576 string_to_rating(str)
579 while(*str && !isdigit(*str)) ++str;
581 return 0; /* One of the special "no rating" cases */
589 /* Init programStats */
590 programStats.movelist[0] = 0;
591 programStats.depth = 0;
592 programStats.nr_moves = 0;
593 programStats.moves_left = 0;
594 programStats.nodes = 0;
595 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
596 programStats.score = 0;
597 programStats.got_only_move = 0;
598 programStats.got_fail = 0;
599 programStats.line_is_book = 0;
605 int matched, min, sec;
607 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
609 GetTimeMark(&programStartTime);
610 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
613 programStats.ok_to_send = 1;
614 programStats.seen_stat = 0;
617 * Initialize game list
623 * Internet chess server status
625 if (appData.icsActive) {
626 appData.matchMode = FALSE;
627 appData.matchGames = 0;
629 appData.noChessProgram = !appData.zippyPlay;
631 appData.zippyPlay = FALSE;
632 appData.zippyTalk = FALSE;
633 appData.noChessProgram = TRUE;
635 if (*appData.icsHelper != NULLCHAR) {
636 appData.useTelnet = TRUE;
637 appData.telnetProgram = appData.icsHelper;
640 appData.zippyTalk = appData.zippyPlay = FALSE;
643 /* [AS] Initialize pv info list [HGM] and game state */
647 for( i=0; i<MAX_MOVES; i++ ) {
648 pvInfoList[i].depth = -1;
650 for( j=0; j<BOARD_SIZE; j++ ) castlingRights[i][j] = -1;
655 * Parse timeControl resource
657 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
658 appData.movesPerSession)) {
660 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
661 DisplayFatalError(buf, 0, 2);
665 * Parse searchTime resource
667 if (*appData.searchTime != NULLCHAR) {
668 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
670 searchTime = min * 60;
671 } else if (matched == 2) {
672 searchTime = min * 60 + sec;
675 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
676 DisplayFatalError(buf, 0, 2);
680 /* [AS] Adjudication threshold */
681 adjudicateLossThreshold = appData.adjudicateLossThreshold;
683 first.which = "first";
684 second.which = "second";
685 first.maybeThinking = second.maybeThinking = FALSE;
686 first.pr = second.pr = NoProc;
687 first.isr = second.isr = NULL;
688 first.sendTime = second.sendTime = 2;
689 first.sendDrawOffers = 1;
690 if (appData.firstPlaysBlack) {
691 first.twoMachinesColor = "black\n";
692 second.twoMachinesColor = "white\n";
694 first.twoMachinesColor = "white\n";
695 second.twoMachinesColor = "black\n";
697 first.program = appData.firstChessProgram;
698 second.program = appData.secondChessProgram;
699 first.host = appData.firstHost;
700 second.host = appData.secondHost;
701 first.dir = appData.firstDirectory;
702 second.dir = appData.secondDirectory;
703 first.other = &second;
704 second.other = &first;
705 first.initString = appData.initString;
706 second.initString = appData.secondInitString;
707 first.computerString = appData.firstComputerString;
708 second.computerString = appData.secondComputerString;
709 first.useSigint = second.useSigint = TRUE;
710 first.useSigterm = second.useSigterm = TRUE;
711 first.reuse = appData.reuseFirst;
712 second.reuse = appData.reuseSecond;
713 first.nps = appData.firstNPS; // [HGM] nps: copy nodes per second
714 second.nps = appData.secondNPS;
715 first.useSetboard = second.useSetboard = FALSE;
716 first.useSAN = second.useSAN = FALSE;
717 first.usePing = second.usePing = FALSE;
718 first.lastPing = second.lastPing = 0;
719 first.lastPong = second.lastPong = 0;
720 first.usePlayother = second.usePlayother = FALSE;
721 first.useColors = second.useColors = TRUE;
722 first.useUsermove = second.useUsermove = FALSE;
723 first.sendICS = second.sendICS = FALSE;
724 first.sendName = second.sendName = appData.icsActive;
725 first.sdKludge = second.sdKludge = FALSE;
726 first.stKludge = second.stKludge = FALSE;
727 TidyProgramName(first.program, first.host, first.tidy);
728 TidyProgramName(second.program, second.host, second.tidy);
729 first.matchWins = second.matchWins = 0;
730 strcpy(first.variants, appData.variant);
731 strcpy(second.variants, appData.variant);
732 first.analysisSupport = second.analysisSupport = 2; /* detect */
733 first.analyzing = second.analyzing = FALSE;
734 first.initDone = second.initDone = FALSE;
736 /* New features added by Tord: */
737 first.useFEN960 = FALSE; second.useFEN960 = FALSE;
738 first.useOOCastle = TRUE; second.useOOCastle = TRUE;
739 /* End of new features added by Tord. */
740 first.fenOverride = appData.fenOverride1;
741 second.fenOverride = appData.fenOverride2;
743 /* [HGM] time odds: set factor for each machine */
744 first.timeOdds = appData.firstTimeOdds;
745 second.timeOdds = appData.secondTimeOdds;
747 if(appData.timeOddsMode) {
748 norm = first.timeOdds;
749 if(norm > second.timeOdds) norm = second.timeOdds;
751 first.timeOdds /= norm;
752 second.timeOdds /= norm;
755 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
756 first.accumulateTC = appData.firstAccumulateTC;
757 second.accumulateTC = appData.secondAccumulateTC;
758 first.maxNrOfSessions = second.maxNrOfSessions = 1;
761 first.debug = second.debug = FALSE;
762 first.supportsNPS = second.supportsNPS = UNKNOWN;
765 first.optionSettings = appData.firstOptions;
766 second.optionSettings = appData.secondOptions;
768 first.scoreIsAbsolute = appData.firstScoreIsAbsolute; /* [AS] */
769 second.scoreIsAbsolute = appData.secondScoreIsAbsolute; /* [AS] */
770 first.isUCI = appData.firstIsUCI; /* [AS] */
771 second.isUCI = appData.secondIsUCI; /* [AS] */
772 first.hasOwnBookUCI = appData.firstHasOwnBookUCI; /* [AS] */
773 second.hasOwnBookUCI = appData.secondHasOwnBookUCI; /* [AS] */
775 if (appData.firstProtocolVersion > PROTOVER ||
776 appData.firstProtocolVersion < 1) {
778 sprintf(buf, _("protocol version %d not supported"),
779 appData.firstProtocolVersion);
780 DisplayFatalError(buf, 0, 2);
782 first.protocolVersion = appData.firstProtocolVersion;
785 if (appData.secondProtocolVersion > PROTOVER ||
786 appData.secondProtocolVersion < 1) {
788 sprintf(buf, _("protocol version %d not supported"),
789 appData.secondProtocolVersion);
790 DisplayFatalError(buf, 0, 2);
792 second.protocolVersion = appData.secondProtocolVersion;
795 if (appData.icsActive) {
796 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
797 } else if (*appData.searchTime != NULLCHAR || appData.noChessProgram) {
798 appData.clockMode = FALSE;
799 first.sendTime = second.sendTime = 0;
803 /* Override some settings from environment variables, for backward
804 compatibility. Unfortunately it's not feasible to have the env
805 vars just set defaults, at least in xboard. Ugh.
807 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
812 if (appData.noChessProgram) {
813 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
814 sprintf(programVersion, "%s", PACKAGE_STRING);
816 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
817 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
818 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
821 if (!appData.icsActive) {
823 /* Check for variants that are supported only in ICS mode,
824 or not at all. Some that are accepted here nevertheless
825 have bugs; see comments below.
827 VariantClass variant = StringToVariant(appData.variant);
829 case VariantBughouse: /* need four players and two boards */
830 case VariantKriegspiel: /* need to hide pieces and move details */
831 /* case VariantFischeRandom: (Fabien: moved below) */
832 sprintf(buf, _("Variant %s supported only in ICS mode"), appData.variant);
833 DisplayFatalError(buf, 0, 2);
837 case VariantLoadable:
847 sprintf(buf, _("Unknown variant name %s"), appData.variant);
848 DisplayFatalError(buf, 0, 2);
851 case VariantXiangqi: /* [HGM] repetition rules not implemented */
852 case VariantFairy: /* [HGM] TestLegality definitely off! */
853 case VariantGothic: /* [HGM] should work */
854 case VariantCapablanca: /* [HGM] should work */
855 case VariantCourier: /* [HGM] initial forced moves not implemented */
856 case VariantShogi: /* [HGM] drops not tested for legality */
857 case VariantKnightmate: /* [HGM] should work */
858 case VariantCylinder: /* [HGM] untested */
859 case VariantFalcon: /* [HGM] untested */
860 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
861 offboard interposition not understood */
862 case VariantNormal: /* definitely works! */
863 case VariantWildCastle: /* pieces not automatically shuffled */
864 case VariantNoCastle: /* pieces not automatically shuffled */
865 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
866 case VariantLosers: /* should work except for win condition,
867 and doesn't know captures are mandatory */
868 case VariantSuicide: /* should work except for win condition,
869 and doesn't know captures are mandatory */
870 case VariantGiveaway: /* should work except for win condition,
871 and doesn't know captures are mandatory */
872 case VariantTwoKings: /* should work */
873 case VariantAtomic: /* should work except for win condition */
874 case Variant3Check: /* should work except for win condition */
875 case VariantShatranj: /* should work except for all win conditions */
876 case VariantBerolina: /* might work if TestLegality is off */
877 case VariantCapaRandom: /* should work */
878 case VariantJanus: /* should work */
879 case VariantSuper: /* experimental */
880 case VariantGreat: /* experimental, requires legality testing to be off */
885 InitEngineUCI( installDir, &first ); // [HGM] moved here from winboard.c, to make available in xboard
886 InitEngineUCI( installDir, &second );
889 int NextIntegerFromString( char ** str, long * value )
894 while( *s == ' ' || *s == '\t' ) {
900 if( *s >= '0' && *s <= '9' ) {
901 while( *s >= '0' && *s <= '9' ) {
902 *value = *value * 10 + (*s - '0');
914 int NextTimeControlFromString( char ** str, long * value )
917 int result = NextIntegerFromString( str, &temp );
920 *value = temp * 60; /* Minutes */
923 result = NextIntegerFromString( str, &temp );
924 *value += temp; /* Seconds */
931 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc)
932 { /* [HGM] routine added to read '+moves/time' for secondary time control */
933 int result = -1; long temp, temp2;
935 if(**str != '+') return -1; // old params remain in force!
937 if( NextTimeControlFromString( str, &temp ) ) return -1;
940 /* time only: incremental or sudden-death time control */
941 if(**str == '+') { /* increment follows; read it */
943 if(result = NextIntegerFromString( str, &temp2)) return -1;
946 *moves = 0; *tc = temp * 1000;
948 } else if(temp % 60 != 0) return -1; /* moves was given as min:sec */
950 (*str)++; /* classical time control */
951 result = NextTimeControlFromString( str, &temp2);
960 int GetTimeQuota(int movenr)
961 { /* [HGM] get time to add from the multi-session time-control string */
962 int moves=1; /* kludge to force reading of first session */
963 long time, increment;
964 char *s = fullTimeControlString;
966 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", fullTimeControlString);
968 if(moves) NextSessionFromString(&s, &moves, &time, &increment);
969 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
970 if(movenr == -1) return time; /* last move before new session */
971 if(!moves) return increment; /* current session is incremental */
972 if(movenr >= 0) movenr -= moves; /* we already finished this session */
973 } while(movenr >= -1); /* try again for next session */
975 return 0; // no new time quota on this move
979 ParseTimeControl(tc, ti, mps)
988 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
991 sprintf(buf, "+%d/%s+%d", mps, tc, ti);
992 else sprintf(buf, "+%s+%d", tc, ti);
995 sprintf(buf, "+%d/%s", mps, tc);
996 else sprintf(buf, "+%s", tc);
998 fullTimeControlString = StrSave(buf);
1000 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1005 /* Parse second time control */
1008 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1016 timeControl_2 = tc2 * 1000;
1026 timeControl = tc1 * 1000;
1029 timeIncrement = ti * 1000; /* convert to ms */
1030 movesPerSession = 0;
1033 movesPerSession = mps;
1041 if (appData.debugMode) {
1042 fprintf(debugFP, "%s\n", programVersion);
1045 set_cont_sequence(appData.wrapContSeq);
1046 if (appData.matchGames > 0) {
1047 appData.matchMode = TRUE;
1048 } else if (appData.matchMode) {
1049 appData.matchGames = 1;
1051 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1052 appData.matchGames = appData.sameColorGames;
1053 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1054 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1055 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1058 if (appData.noChessProgram || first.protocolVersion == 1) {
1061 /* kludge: allow timeout for initial "feature" commands */
1063 DisplayMessage("", _("Starting chess program"));
1064 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1069 InitBackEnd3 P((void))
1071 GameMode initialMode;
1075 InitChessProgram(&first, startedFromSetupPosition);
1078 if (appData.icsActive) {
1080 /* [DM] Make a console window if needed [HGM] merged ifs */
1085 if (*appData.icsCommPort != NULLCHAR) {
1086 sprintf(buf, _("Could not open comm port %s"),
1087 appData.icsCommPort);
1089 snprintf(buf, sizeof(buf), _("Could not connect to host %s, port %s"),
1090 appData.icsHost, appData.icsPort);
1092 DisplayFatalError(buf, err, 1);
1097 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1099 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1100 } else if (appData.noChessProgram) {
1106 if (*appData.cmailGameName != NULLCHAR) {
1108 OpenLoopback(&cmailPR);
1110 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1114 DisplayMessage("", "");
1115 if (StrCaseCmp(appData.initialMode, "") == 0) {
1116 initialMode = BeginningOfGame;
1117 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1118 initialMode = TwoMachinesPlay;
1119 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1120 initialMode = AnalyzeFile;
1121 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1122 initialMode = AnalyzeMode;
1123 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1124 initialMode = MachinePlaysWhite;
1125 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1126 initialMode = MachinePlaysBlack;
1127 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1128 initialMode = EditGame;
1129 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1130 initialMode = EditPosition;
1131 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1132 initialMode = Training;
1134 sprintf(buf, _("Unknown initialMode %s"), appData.initialMode);
1135 DisplayFatalError(buf, 0, 2);
1139 if (appData.matchMode) {
1140 /* Set up machine vs. machine match */
1141 if (appData.noChessProgram) {
1142 DisplayFatalError(_("Can't have a match with no chess programs"),
1148 if (*appData.loadGameFile != NULLCHAR) {
1149 int index = appData.loadGameIndex; // [HGM] autoinc
1150 if(index<0) lastIndex = index = 1;
1151 if (!LoadGameFromFile(appData.loadGameFile,
1153 appData.loadGameFile, FALSE)) {
1154 DisplayFatalError(_("Bad game file"), 0, 1);
1157 } else if (*appData.loadPositionFile != NULLCHAR) {
1158 int index = appData.loadPositionIndex; // [HGM] autoinc
1159 if(index<0) lastIndex = index = 1;
1160 if (!LoadPositionFromFile(appData.loadPositionFile,
1162 appData.loadPositionFile)) {
1163 DisplayFatalError(_("Bad position file"), 0, 1);
1168 } else if (*appData.cmailGameName != NULLCHAR) {
1169 /* Set up cmail mode */
1170 ReloadCmailMsgEvent(TRUE);
1172 /* Set up other modes */
1173 if (initialMode == AnalyzeFile) {
1174 if (*appData.loadGameFile == NULLCHAR) {
1175 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1179 if (*appData.loadGameFile != NULLCHAR) {
1180 (void) LoadGameFromFile(appData.loadGameFile,
1181 appData.loadGameIndex,
1182 appData.loadGameFile, TRUE);
1183 } else if (*appData.loadPositionFile != NULLCHAR) {
1184 (void) LoadPositionFromFile(appData.loadPositionFile,
1185 appData.loadPositionIndex,
1186 appData.loadPositionFile);
1187 /* [HGM] try to make self-starting even after FEN load */
1188 /* to allow automatic setup of fairy variants with wtm */
1189 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1190 gameMode = BeginningOfGame;
1191 setboardSpoiledMachineBlack = 1;
1193 /* [HGM] loadPos: make that every new game uses the setup */
1194 /* from file as long as we do not switch variant */
1195 if(!blackPlaysFirst) { int i;
1196 startedFromPositionFile = TRUE;
1197 CopyBoard(filePosition, boards[0]);
1198 for(i=0; i<BOARD_SIZE; i++) fileRights[i] = castlingRights[0][i];
1201 if (initialMode == AnalyzeMode) {
1202 if (appData.noChessProgram) {
1203 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1206 if (appData.icsActive) {
1207 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1211 } else if (initialMode == AnalyzeFile) {
1212 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1213 ShowThinkingEvent();
1215 AnalysisPeriodicEvent(1);
1216 } else if (initialMode == MachinePlaysWhite) {
1217 if (appData.noChessProgram) {
1218 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1222 if (appData.icsActive) {
1223 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1227 MachineWhiteEvent();
1228 } else if (initialMode == MachinePlaysBlack) {
1229 if (appData.noChessProgram) {
1230 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1234 if (appData.icsActive) {
1235 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1239 MachineBlackEvent();
1240 } else if (initialMode == TwoMachinesPlay) {
1241 if (appData.noChessProgram) {
1242 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1246 if (appData.icsActive) {
1247 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1252 } else if (initialMode == EditGame) {
1254 } else if (initialMode == EditPosition) {
1255 EditPositionEvent();
1256 } else if (initialMode == Training) {
1257 if (*appData.loadGameFile == NULLCHAR) {
1258 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1267 * Establish will establish a contact to a remote host.port.
1268 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1269 * used to talk to the host.
1270 * Returns 0 if okay, error code if not.
1277 if (*appData.icsCommPort != NULLCHAR) {
1278 /* Talk to the host through a serial comm port */
1279 return OpenCommPort(appData.icsCommPort, &icsPR);
1281 } else if (*appData.gateway != NULLCHAR) {
1282 if (*appData.remoteShell == NULLCHAR) {
1283 /* Use the rcmd protocol to run telnet program on a gateway host */
1284 snprintf(buf, sizeof(buf), "%s %s %s",
1285 appData.telnetProgram, appData.icsHost, appData.icsPort);
1286 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1289 /* Use the rsh program to run telnet program on a gateway host */
1290 if (*appData.remoteUser == NULLCHAR) {
1291 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1292 appData.gateway, appData.telnetProgram,
1293 appData.icsHost, appData.icsPort);
1295 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1296 appData.remoteShell, appData.gateway,
1297 appData.remoteUser, appData.telnetProgram,
1298 appData.icsHost, appData.icsPort);
1300 return StartChildProcess(buf, "", &icsPR);
1303 } else if (appData.useTelnet) {
1304 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1307 /* TCP socket interface differs somewhat between
1308 Unix and NT; handle details in the front end.
1310 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1315 show_bytes(fp, buf, count)
1321 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1322 fprintf(fp, "\\%03o", *buf & 0xff);
1331 /* Returns an errno value */
1333 OutputMaybeTelnet(pr, message, count, outError)
1339 char buf[8192], *p, *q, *buflim;
1340 int left, newcount, outcount;
1342 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1343 *appData.gateway != NULLCHAR) {
1344 if (appData.debugMode) {
1345 fprintf(debugFP, ">ICS: ");
1346 show_bytes(debugFP, message, count);
1347 fprintf(debugFP, "\n");
1349 return OutputToProcess(pr, message, count, outError);
1352 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1359 if (appData.debugMode) {
1360 fprintf(debugFP, ">ICS: ");
1361 show_bytes(debugFP, buf, newcount);
1362 fprintf(debugFP, "\n");
1364 outcount = OutputToProcess(pr, buf, newcount, outError);
1365 if (outcount < newcount) return -1; /* to be sure */
1372 } else if (((unsigned char) *p) == TN_IAC) {
1373 *q++ = (char) TN_IAC;
1380 if (appData.debugMode) {
1381 fprintf(debugFP, ">ICS: ");
1382 show_bytes(debugFP, buf, newcount);
1383 fprintf(debugFP, "\n");
1385 outcount = OutputToProcess(pr, buf, newcount, outError);
1386 if (outcount < newcount) return -1; /* to be sure */
1391 read_from_player(isr, closure, message, count, error)
1398 int outError, outCount;
1399 static int gotEof = 0;
1401 /* Pass data read from player on to ICS */
1404 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1405 if (outCount < count) {
1406 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1408 } else if (count < 0) {
1409 RemoveInputSource(isr);
1410 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1411 } else if (gotEof++ > 0) {
1412 RemoveInputSource(isr);
1413 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1419 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1420 SendToICS("date\n");
1421 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1424 /* added routine for printf style output to ics */
1425 void ics_printf(char *format, ...)
1427 char buffer[MSG_SIZ];
1430 va_start(args, format);
1431 vsnprintf(buffer, sizeof(buffer), format, args);
1432 buffer[sizeof(buffer)-1] = '\0';
1441 int count, outCount, outError;
1443 if (icsPR == NULL) return;
1446 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1447 if (outCount < count) {
1448 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1452 /* This is used for sending logon scripts to the ICS. Sending
1453 without a delay causes problems when using timestamp on ICC
1454 (at least on my machine). */
1456 SendToICSDelayed(s,msdelay)
1460 int count, outCount, outError;
1462 if (icsPR == NULL) return;
1465 if (appData.debugMode) {
1466 fprintf(debugFP, ">ICS: ");
1467 show_bytes(debugFP, s, count);
1468 fprintf(debugFP, "\n");
1470 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1472 if (outCount < count) {
1473 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1478 /* Remove all highlighting escape sequences in s
1479 Also deletes any suffix starting with '('
1482 StripHighlightAndTitle(s)
1485 static char retbuf[MSG_SIZ];
1488 while (*s != NULLCHAR) {
1489 while (*s == '\033') {
1490 while (*s != NULLCHAR && !isalpha(*s)) s++;
1491 if (*s != NULLCHAR) s++;
1493 while (*s != NULLCHAR && *s != '\033') {
1494 if (*s == '(' || *s == '[') {
1505 /* Remove all highlighting escape sequences in s */
1510 static char retbuf[MSG_SIZ];
1513 while (*s != NULLCHAR) {
1514 while (*s == '\033') {
1515 while (*s != NULLCHAR && !isalpha(*s)) s++;
1516 if (*s != NULLCHAR) s++;
1518 while (*s != NULLCHAR && *s != '\033') {
1526 char *variantNames[] = VARIANT_NAMES;
1531 return variantNames[v];
1535 /* Identify a variant from the strings the chess servers use or the
1536 PGN Variant tag names we use. */
1543 VariantClass v = VariantNormal;
1544 int i, found = FALSE;
1549 /* [HGM] skip over optional board-size prefixes */
1550 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1551 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1552 while( *e++ != '_');
1555 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1559 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1560 if (StrCaseStr(e, variantNames[i])) {
1561 v = (VariantClass) i;
1568 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1569 || StrCaseStr(e, "wild/fr")
1570 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1571 v = VariantFischeRandom;
1572 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1573 (i = 1, p = StrCaseStr(e, "w"))) {
1575 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
1582 case 0: /* FICS only, actually */
1584 /* Castling legal even if K starts on d-file */
1585 v = VariantWildCastle;
1590 /* Castling illegal even if K & R happen to start in
1591 normal positions. */
1592 v = VariantNoCastle;
1605 /* Castling legal iff K & R start in normal positions */
1611 /* Special wilds for position setup; unclear what to do here */
1612 v = VariantLoadable;
1615 /* Bizarre ICC game */
1616 v = VariantTwoKings;
1619 v = VariantKriegspiel;
1625 v = VariantFischeRandom;
1628 v = VariantCrazyhouse;
1631 v = VariantBughouse;
1637 /* Not quite the same as FICS suicide! */
1638 v = VariantGiveaway;
1644 v = VariantShatranj;
1647 /* Temporary names for future ICC types. The name *will* change in
1648 the next xboard/WinBoard release after ICC defines it. */
1686 v = VariantCapablanca;
1689 v = VariantKnightmate;
1695 v = VariantCylinder;
1701 v = VariantCapaRandom;
1704 v = VariantBerolina;
1716 /* Found "wild" or "w" in the string but no number;
1717 must assume it's normal chess. */
1721 sprintf(buf, _("Unknown wild type %d"), wnum);
1722 DisplayError(buf, 0);
1728 if (appData.debugMode) {
1729 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
1730 e, wnum, VariantName(v));
1735 static int leftover_start = 0, leftover_len = 0;
1736 char star_match[STAR_MATCH_N][MSG_SIZ];
1738 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
1739 advance *index beyond it, and set leftover_start to the new value of
1740 *index; else return FALSE. If pattern contains the character '*', it
1741 matches any sequence of characters not containing '\r', '\n', or the
1742 character following the '*' (if any), and the matched sequence(s) are
1743 copied into star_match.
1746 looking_at(buf, index, pattern)
1751 char *bufp = &buf[*index], *patternp = pattern;
1753 char *matchp = star_match[0];
1756 if (*patternp == NULLCHAR) {
1757 *index = leftover_start = bufp - buf;
1761 if (*bufp == NULLCHAR) return FALSE;
1762 if (*patternp == '*') {
1763 if (*bufp == *(patternp + 1)) {
1765 matchp = star_match[++star_count];
1769 } else if (*bufp == '\n' || *bufp == '\r') {
1771 if (*patternp == NULLCHAR)
1776 *matchp++ = *bufp++;
1780 if (*patternp != *bufp) return FALSE;
1787 SendToPlayer(data, length)
1791 int error, outCount;
1792 outCount = OutputToProcess(NoProc, data, length, &error);
1793 if (outCount < length) {
1794 DisplayFatalError(_("Error writing to display"), error, 1);
1799 PackHolding(packed, holding)
1811 switch (runlength) {
1822 sprintf(q, "%d", runlength);
1834 /* Telnet protocol requests from the front end */
1836 TelnetRequest(ddww, option)
1837 unsigned char ddww, option;
1839 unsigned char msg[3];
1840 int outCount, outError;
1842 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
1844 if (appData.debugMode) {
1845 char buf1[8], buf2[8], *ddwwStr, *optionStr;
1861 sprintf(buf1, "%d", ddww);
1870 sprintf(buf2, "%d", option);
1873 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
1878 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
1880 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1887 if (!appData.icsActive) return;
1888 TelnetRequest(TN_DO, TN_ECHO);
1894 if (!appData.icsActive) return;
1895 TelnetRequest(TN_DONT, TN_ECHO);
1899 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
1901 /* put the holdings sent to us by the server on the board holdings area */
1902 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
1906 if(gameInfo.holdingsWidth < 2) return;
1907 if(gameInfo.variant != VariantBughouse && board[BOARD_SIZE-1][BOARD_SIZE-2])
1908 return; // prevent overwriting by pre-board holdings
1910 if( (int)lowestPiece >= BlackPawn ) {
1913 holdingsStartRow = BOARD_HEIGHT-1;
1916 holdingsColumn = BOARD_WIDTH-1;
1917 countsColumn = BOARD_WIDTH-2;
1918 holdingsStartRow = 0;
1922 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
1923 board[i][holdingsColumn] = EmptySquare;
1924 board[i][countsColumn] = (ChessSquare) 0;
1926 while( (p=*holdings++) != NULLCHAR ) {
1927 piece = CharToPiece( ToUpper(p) );
1928 if(piece == EmptySquare) continue;
1929 /*j = (int) piece - (int) WhitePawn;*/
1930 j = PieceToNumber(piece);
1931 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
1932 if(j < 0) continue; /* should not happen */
1933 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
1934 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
1935 board[holdingsStartRow+j*direction][countsColumn]++;
1941 VariantSwitch(Board board, VariantClass newVariant)
1943 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
1946 startedFromPositionFile = FALSE;
1947 if(gameInfo.variant == newVariant) return;
1949 /* [HGM] This routine is called each time an assignment is made to
1950 * gameInfo.variant during a game, to make sure the board sizes
1951 * are set to match the new variant. If that means adding or deleting
1952 * holdings, we shift the playing board accordingly
1953 * This kludge is needed because in ICS observe mode, we get boards
1954 * of an ongoing game without knowing the variant, and learn about the
1955 * latter only later. This can be because of the move list we requested,
1956 * in which case the game history is refilled from the beginning anyway,
1957 * but also when receiving holdings of a crazyhouse game. In the latter
1958 * case we want to add those holdings to the already received position.
1962 if (appData.debugMode) {
1963 fprintf(debugFP, "Switch board from %s to %s\n",
1964 VariantName(gameInfo.variant), VariantName(newVariant));
1965 setbuf(debugFP, NULL);
1967 shuffleOpenings = 0; /* [HGM] shuffle */
1968 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
1972 newWidth = 9; newHeight = 9;
1973 gameInfo.holdingsSize = 7;
1974 case VariantBughouse:
1975 case VariantCrazyhouse:
1976 newHoldingsWidth = 2; break;
1980 newHoldingsWidth = 2;
1981 gameInfo.holdingsSize = 8;
1984 case VariantCapablanca:
1985 case VariantCapaRandom:
1988 newHoldingsWidth = gameInfo.holdingsSize = 0;
1991 if(newWidth != gameInfo.boardWidth ||
1992 newHeight != gameInfo.boardHeight ||
1993 newHoldingsWidth != gameInfo.holdingsWidth ) {
1995 /* shift position to new playing area, if needed */
1996 if(newHoldingsWidth > gameInfo.holdingsWidth) {
1997 for(i=0; i<BOARD_HEIGHT; i++)
1998 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
1999 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2001 for(i=0; i<newHeight; i++) {
2002 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2003 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2005 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2006 for(i=0; i<BOARD_HEIGHT; i++)
2007 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2008 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2011 gameInfo.boardWidth = newWidth;
2012 gameInfo.boardHeight = newHeight;
2013 gameInfo.holdingsWidth = newHoldingsWidth;
2014 gameInfo.variant = newVariant;
2015 InitDrawingSizes(-2, 0);
2016 } else gameInfo.variant = newVariant;
2017 CopyBoard(oldBoard, board); // remember correctly formatted board
2018 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2019 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2022 static int loggedOn = FALSE;
2024 /*-- Game start info cache: --*/
2026 char gs_kind[MSG_SIZ];
2027 static char player1Name[128] = "";
2028 static char player2Name[128] = "";
2029 static char cont_seq[] = "\n\\ ";
2030 static int player1Rating = -1;
2031 static int player2Rating = -1;
2032 /*----------------------------*/
2034 ColorClass curColor = ColorNormal;
2035 int suppressKibitz = 0;
2038 read_from_ics(isr, closure, data, count, error)
2045 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2046 #define STARTED_NONE 0
2047 #define STARTED_MOVES 1
2048 #define STARTED_BOARD 2
2049 #define STARTED_OBSERVE 3
2050 #define STARTED_HOLDINGS 4
2051 #define STARTED_CHATTER 5
2052 #define STARTED_COMMENT 6
2053 #define STARTED_MOVES_NOHIDE 7
2055 static int started = STARTED_NONE;
2056 static char parse[20000];
2057 static int parse_pos = 0;
2058 static char buf[BUF_SIZE + 1];
2059 static int firstTime = TRUE, intfSet = FALSE;
2060 static ColorClass prevColor = ColorNormal;
2061 static int savingComment = FALSE;
2062 static int cmatch = 0; // continuation sequence match
2069 int backup; /* [DM] For zippy color lines */
2071 char talker[MSG_SIZ]; // [HGM] chat
2074 if (appData.debugMode) {
2076 fprintf(debugFP, "<ICS: ");
2077 show_bytes(debugFP, data, count);
2078 fprintf(debugFP, "\n");
2082 if (appData.debugMode) { int f = forwardMostMove;
2083 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2084 castlingRights[f][0],castlingRights[f][1],castlingRights[f][2],castlingRights[f][3],castlingRights[f][4],castlingRights[f][5]);
2087 /* If last read ended with a partial line that we couldn't parse,
2088 prepend it to the new read and try again. */
2089 if (leftover_len > 0) {
2090 for (i=0; i<leftover_len; i++)
2091 buf[i] = buf[leftover_start + i];
2094 /* copy new characters into the buffer */
2095 bp = buf + leftover_len;
2096 buf_len=leftover_len;
2097 for (i=0; i<count; i++)
2100 if (data[i] == '\r')
2103 // join lines split by ICS?
2104 if (!appData.noJoin)
2107 Joining just consists of finding matches against the
2108 continuation sequence, and discarding that sequence
2109 if found instead of copying it. So, until a match
2110 fails, there's nothing to do since it might be the
2111 complete sequence, and thus, something we don't want
2114 if (data[i] == cont_seq[cmatch])
2117 if (cmatch == strlen(cont_seq))
2119 cmatch = 0; // complete match. just reset the counter
2122 it's possible for the ICS to not include the space
2123 at the end of the last word, making our [correct]
2124 join operation fuse two separate words. the server
2125 does this when the space occurs at the width setting.
2127 if (!buf_len || buf[buf_len-1] != ' ')
2138 match failed, so we have to copy what matched before
2139 falling through and copying this character. In reality,
2140 this will only ever be just the newline character, but
2141 it doesn't hurt to be precise.
2143 strncpy(bp, cont_seq, cmatch);
2155 buf[buf_len] = NULLCHAR;
2156 next_out = leftover_len;
2160 while (i < buf_len) {
2161 /* Deal with part of the TELNET option negotiation
2162 protocol. We refuse to do anything beyond the
2163 defaults, except that we allow the WILL ECHO option,
2164 which ICS uses to turn off password echoing when we are
2165 directly connected to it. We reject this option
2166 if localLineEditing mode is on (always on in xboard)
2167 and we are talking to port 23, which might be a real
2168 telnet server that will try to keep WILL ECHO on permanently.
2170 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2171 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2172 unsigned char option;
2174 switch ((unsigned char) buf[++i]) {
2176 if (appData.debugMode)
2177 fprintf(debugFP, "\n<WILL ");
2178 switch (option = (unsigned char) buf[++i]) {
2180 if (appData.debugMode)
2181 fprintf(debugFP, "ECHO ");
2182 /* Reply only if this is a change, according
2183 to the protocol rules. */
2184 if (remoteEchoOption) break;
2185 if (appData.localLineEditing &&
2186 atoi(appData.icsPort) == TN_PORT) {
2187 TelnetRequest(TN_DONT, TN_ECHO);
2190 TelnetRequest(TN_DO, TN_ECHO);
2191 remoteEchoOption = TRUE;
2195 if (appData.debugMode)
2196 fprintf(debugFP, "%d ", option);
2197 /* Whatever this is, we don't want it. */
2198 TelnetRequest(TN_DONT, option);
2203 if (appData.debugMode)
2204 fprintf(debugFP, "\n<WONT ");
2205 switch (option = (unsigned char) buf[++i]) {
2207 if (appData.debugMode)
2208 fprintf(debugFP, "ECHO ");
2209 /* Reply only if this is a change, according
2210 to the protocol rules. */
2211 if (!remoteEchoOption) break;
2213 TelnetRequest(TN_DONT, TN_ECHO);
2214 remoteEchoOption = FALSE;
2217 if (appData.debugMode)
2218 fprintf(debugFP, "%d ", (unsigned char) option);
2219 /* Whatever this is, it must already be turned
2220 off, because we never agree to turn on
2221 anything non-default, so according to the
2222 protocol rules, we don't reply. */
2227 if (appData.debugMode)
2228 fprintf(debugFP, "\n<DO ");
2229 switch (option = (unsigned char) buf[++i]) {
2231 /* Whatever this is, we refuse to do it. */
2232 if (appData.debugMode)
2233 fprintf(debugFP, "%d ", option);
2234 TelnetRequest(TN_WONT, option);
2239 if (appData.debugMode)
2240 fprintf(debugFP, "\n<DONT ");
2241 switch (option = (unsigned char) buf[++i]) {
2243 if (appData.debugMode)
2244 fprintf(debugFP, "%d ", option);
2245 /* Whatever this is, we are already not doing
2246 it, because we never agree to do anything
2247 non-default, so according to the protocol
2248 rules, we don't reply. */
2253 if (appData.debugMode)
2254 fprintf(debugFP, "\n<IAC ");
2255 /* Doubled IAC; pass it through */
2259 if (appData.debugMode)
2260 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2261 /* Drop all other telnet commands on the floor */
2264 if (oldi > next_out)
2265 SendToPlayer(&buf[next_out], oldi - next_out);
2271 /* OK, this at least will *usually* work */
2272 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2276 if (loggedOn && !intfSet) {
2277 if (ics_type == ICS_ICC) {
2279 "/set-quietly interface %s\n/set-quietly style 12\n",
2281 } else if (ics_type == ICS_CHESSNET) {
2282 sprintf(str, "/style 12\n");
2284 strcpy(str, "alias $ @\n$set interface ");
2285 strcat(str, programVersion);
2286 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2288 strcat(str, "$iset nohighlight 1\n");
2290 strcat(str, "$iset lock 1\n$style 12\n");
2293 NotifyFrontendLogin();
2297 if (started == STARTED_COMMENT) {
2298 /* Accumulate characters in comment */
2299 parse[parse_pos++] = buf[i];
2300 if (buf[i] == '\n') {
2301 parse[parse_pos] = NULLCHAR;
2302 if(chattingPartner>=0) {
2304 sprintf(mess, "%s%s", talker, parse);
2305 OutputChatMessage(chattingPartner, mess);
2306 chattingPartner = -1;
2308 if(!suppressKibitz) // [HGM] kibitz
2309 AppendComment(forwardMostMove, StripHighlight(parse));
2310 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2311 int nrDigit = 0, nrAlph = 0, i;
2312 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2313 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2314 parse[parse_pos] = NULLCHAR;
2315 // try to be smart: if it does not look like search info, it should go to
2316 // ICS interaction window after all, not to engine-output window.
2317 for(i=0; i<parse_pos; i++) { // count letters and digits
2318 nrDigit += (parse[i] >= '0' && parse[i] <= '9');
2319 nrAlph += (parse[i] >= 'a' && parse[i] <= 'z');
2320 nrAlph += (parse[i] >= 'A' && parse[i] <= 'Z');
2322 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2323 int depth=0; float score;
2324 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2325 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2326 pvInfoList[forwardMostMove-1].depth = depth;
2327 pvInfoList[forwardMostMove-1].score = 100*score;
2329 OutputKibitz(suppressKibitz, parse);
2332 sprintf(tmp, _("your opponent kibitzes: %s"), parse);
2333 SendToPlayer(tmp, strlen(tmp));
2336 started = STARTED_NONE;
2338 /* Don't match patterns against characters in chatter */
2343 if (started == STARTED_CHATTER) {
2344 if (buf[i] != '\n') {
2345 /* Don't match patterns against characters in chatter */
2349 started = STARTED_NONE;
2352 /* Kludge to deal with rcmd protocol */
2353 if (firstTime && looking_at(buf, &i, "\001*")) {
2354 DisplayFatalError(&buf[1], 0, 1);
2360 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2363 if (appData.debugMode)
2364 fprintf(debugFP, "ics_type %d\n", ics_type);
2367 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2368 ics_type = ICS_FICS;
2370 if (appData.debugMode)
2371 fprintf(debugFP, "ics_type %d\n", ics_type);
2374 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
2375 ics_type = ICS_CHESSNET;
2377 if (appData.debugMode)
2378 fprintf(debugFP, "ics_type %d\n", ics_type);
2383 (looking_at(buf, &i, "\"*\" is *a registered name") ||
2384 looking_at(buf, &i, "Logging you in as \"*\"") ||
2385 looking_at(buf, &i, "will be \"*\""))) {
2386 strcpy(ics_handle, star_match[0]);
2390 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
2392 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
2393 DisplayIcsInteractionTitle(buf);
2394 have_set_title = TRUE;
2397 /* skip finger notes */
2398 if (started == STARTED_NONE &&
2399 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
2400 (buf[i] == '1' && buf[i+1] == '0')) &&
2401 buf[i+2] == ':' && buf[i+3] == ' ') {
2402 started = STARTED_CHATTER;
2407 /* skip formula vars */
2408 if (started == STARTED_NONE &&
2409 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
2410 started = STARTED_CHATTER;
2416 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
2417 if (appData.autoKibitz && started == STARTED_NONE &&
2418 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
2419 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
2420 if(looking_at(buf, &i, "* kibitzes: ") &&
2421 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
2422 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
2423 suppressKibitz = TRUE;
2424 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
2425 && (gameMode == IcsPlayingWhite)) ||
2426 (StrStr(star_match[0], gameInfo.black) == star_match[0]
2427 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
2428 started = STARTED_CHATTER; // own kibitz we simply discard
2430 started = STARTED_COMMENT; // make sure it will be collected in parse[]
2431 parse_pos = 0; parse[0] = NULLCHAR;
2432 savingComment = TRUE;
2433 suppressKibitz = gameMode != IcsObserving ? 2 :
2434 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
2438 if(looking_at(buf, &i, "kibitzed to")) { // suppress the acknowledgements of our own autoKibitz
2439 started = STARTED_CHATTER;
2440 suppressKibitz = TRUE;
2442 } // [HGM] kibitz: end of patch
2444 //if(appData.debugMode) fprintf(debugFP, "hunt for tell, buf = %s\n", buf+i);
2446 // [HGM] chat: intercept tells by users for which we have an open chat window
2448 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
2449 looking_at(buf, &i, "* whispers:") ||
2450 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
2451 looking_at(buf, &i, "*(*)(*):") && sscanf(star_match[2], "%d", &channel) == 1 )) {
2453 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
2454 chattingPartner = -1;
2456 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
2457 for(p=0; p<MAX_CHAT; p++) {
2458 if(channel == atoi(chatPartner[p])) {
2459 talker[0] = '['; strcat(talker, "]");
2460 chattingPartner = p; break;
2463 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
2464 for(p=0; p<MAX_CHAT; p++) {
2465 if(!strcmp("WHISPER", chatPartner[p])) {
2466 talker[0] = '['; strcat(talker, "]");
2467 chattingPartner = p; break;
2470 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
2471 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
2473 chattingPartner = p; break;
2475 if(chattingPartner<0) i = oldi; else {
2476 started = STARTED_COMMENT;
2477 parse_pos = 0; parse[0] = NULLCHAR;
2478 savingComment = TRUE;
2479 suppressKibitz = TRUE;
2481 } // [HGM] chat: end of patch
2483 if (appData.zippyTalk || appData.zippyPlay) {
2484 /* [DM] Backup address for color zippy lines */
2488 if (loggedOn == TRUE)
2489 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
2490 (appData.zippyPlay && ZippyMatch(buf, &backup)));
2492 if (ZippyControl(buf, &i) ||
2493 ZippyConverse(buf, &i) ||
2494 (appData.zippyPlay && ZippyMatch(buf, &i))) {
2496 if (!appData.colorize) continue;
2500 } // [DM] 'else { ' deleted
2502 /* Regular tells and says */
2503 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
2504 looking_at(buf, &i, "* (your partner) tells you: ") ||
2505 looking_at(buf, &i, "* says: ") ||
2506 /* Don't color "message" or "messages" output */
2507 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
2508 looking_at(buf, &i, "*. * at *:*: ") ||
2509 looking_at(buf, &i, "--* (*:*): ") ||
2510 /* Message notifications (same color as tells) */
2511 looking_at(buf, &i, "* has left a message ") ||
2512 looking_at(buf, &i, "* just sent you a message:\n") ||
2513 /* Whispers and kibitzes */
2514 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
2515 looking_at(buf, &i, "* kibitzes: ") ||
2517 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
2519 if (tkind == 1 && strchr(star_match[0], ':')) {
2520 /* Avoid "tells you:" spoofs in channels */
2523 if (star_match[0][0] == NULLCHAR ||
2524 strchr(star_match[0], ' ') ||
2525 (tkind == 3 && strchr(star_match[1], ' '))) {
2526 /* Reject bogus matches */
2529 if (appData.colorize) {
2530 if (oldi > next_out) {
2531 SendToPlayer(&buf[next_out], oldi - next_out);
2536 Colorize(ColorTell, FALSE);
2537 curColor = ColorTell;
2540 Colorize(ColorKibitz, FALSE);
2541 curColor = ColorKibitz;
2544 p = strrchr(star_match[1], '(');
2551 Colorize(ColorChannel1, FALSE);
2552 curColor = ColorChannel1;
2554 Colorize(ColorChannel, FALSE);
2555 curColor = ColorChannel;
2559 curColor = ColorNormal;
2563 if (started == STARTED_NONE && appData.autoComment &&
2564 (gameMode == IcsObserving ||
2565 gameMode == IcsPlayingWhite ||
2566 gameMode == IcsPlayingBlack)) {
2567 parse_pos = i - oldi;
2568 memcpy(parse, &buf[oldi], parse_pos);
2569 parse[parse_pos] = NULLCHAR;
2570 started = STARTED_COMMENT;
2571 savingComment = TRUE;
2573 started = STARTED_CHATTER;
2574 savingComment = FALSE;
2581 if (looking_at(buf, &i, "* s-shouts: ") ||
2582 looking_at(buf, &i, "* c-shouts: ")) {
2583 if (appData.colorize) {
2584 if (oldi > next_out) {
2585 SendToPlayer(&buf[next_out], oldi - next_out);
2588 Colorize(ColorSShout, FALSE);
2589 curColor = ColorSShout;
2592 started = STARTED_CHATTER;
2596 if (looking_at(buf, &i, "--->")) {
2601 if (looking_at(buf, &i, "* shouts: ") ||
2602 looking_at(buf, &i, "--> ")) {
2603 if (appData.colorize) {
2604 if (oldi > next_out) {
2605 SendToPlayer(&buf[next_out], oldi - next_out);
2608 Colorize(ColorShout, FALSE);
2609 curColor = ColorShout;
2612 started = STARTED_CHATTER;
2616 if (looking_at( buf, &i, "Challenge:")) {
2617 if (appData.colorize) {
2618 if (oldi > next_out) {
2619 SendToPlayer(&buf[next_out], oldi - next_out);
2622 Colorize(ColorChallenge, FALSE);
2623 curColor = ColorChallenge;
2629 if (looking_at(buf, &i, "* offers you") ||
2630 looking_at(buf, &i, "* offers to be") ||
2631 looking_at(buf, &i, "* would like to") ||
2632 looking_at(buf, &i, "* requests to") ||
2633 looking_at(buf, &i, "Your opponent offers") ||
2634 looking_at(buf, &i, "Your opponent requests")) {
2636 if (appData.colorize) {
2637 if (oldi > next_out) {
2638 SendToPlayer(&buf[next_out], oldi - next_out);
2641 Colorize(ColorRequest, FALSE);
2642 curColor = ColorRequest;
2647 if (looking_at(buf, &i, "* (*) seeking")) {
2648 if (appData.colorize) {
2649 if (oldi > next_out) {
2650 SendToPlayer(&buf[next_out], oldi - next_out);
2653 Colorize(ColorSeek, FALSE);
2654 curColor = ColorSeek;
2659 if (looking_at(buf, &i, "\\ ")) {
2660 if (prevColor != ColorNormal) {
2661 if (oldi > next_out) {
2662 SendToPlayer(&buf[next_out], oldi - next_out);
2665 Colorize(prevColor, TRUE);
2666 curColor = prevColor;
2668 if (savingComment) {
2669 parse_pos = i - oldi;
2670 memcpy(parse, &buf[oldi], parse_pos);
2671 parse[parse_pos] = NULLCHAR;
2672 started = STARTED_COMMENT;
2674 started = STARTED_CHATTER;
2679 if (looking_at(buf, &i, "Black Strength :") ||
2680 looking_at(buf, &i, "<<< style 10 board >>>") ||
2681 looking_at(buf, &i, "<10>") ||
2682 looking_at(buf, &i, "#@#")) {
2683 /* Wrong board style */
2685 SendToICS(ics_prefix);
2686 SendToICS("set style 12\n");
2687 SendToICS(ics_prefix);
2688 SendToICS("refresh\n");
2692 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
2694 have_sent_ICS_logon = 1;
2698 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
2699 (looking_at(buf, &i, "\n<12> ") ||
2700 looking_at(buf, &i, "<12> "))) {
2702 if (oldi > next_out) {
2703 SendToPlayer(&buf[next_out], oldi - next_out);
2706 started = STARTED_BOARD;
2711 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
2712 looking_at(buf, &i, "<b1> ")) {
2713 if (oldi > next_out) {
2714 SendToPlayer(&buf[next_out], oldi - next_out);
2717 started = STARTED_HOLDINGS;
2722 if (looking_at(buf, &i, "* *vs. * *--- *")) {
2724 /* Header for a move list -- first line */
2726 switch (ics_getting_history) {
2730 case BeginningOfGame:
2731 /* User typed "moves" or "oldmoves" while we
2732 were idle. Pretend we asked for these
2733 moves and soak them up so user can step
2734 through them and/or save them.
2737 gameMode = IcsObserving;
2740 ics_getting_history = H_GOT_UNREQ_HEADER;
2742 case EditGame: /*?*/
2743 case EditPosition: /*?*/
2744 /* Should above feature work in these modes too? */
2745 /* For now it doesn't */
2746 ics_getting_history = H_GOT_UNWANTED_HEADER;
2749 ics_getting_history = H_GOT_UNWANTED_HEADER;
2754 /* Is this the right one? */
2755 if (gameInfo.white && gameInfo.black &&
2756 strcmp(gameInfo.white, star_match[0]) == 0 &&
2757 strcmp(gameInfo.black, star_match[2]) == 0) {
2759 ics_getting_history = H_GOT_REQ_HEADER;
2762 case H_GOT_REQ_HEADER:
2763 case H_GOT_UNREQ_HEADER:
2764 case H_GOT_UNWANTED_HEADER:
2765 case H_GETTING_MOVES:
2766 /* Should not happen */
2767 DisplayError(_("Error gathering move list: two headers"), 0);
2768 ics_getting_history = H_FALSE;
2772 /* Save player ratings into gameInfo if needed */
2773 if ((ics_getting_history == H_GOT_REQ_HEADER ||
2774 ics_getting_history == H_GOT_UNREQ_HEADER) &&
2775 (gameInfo.whiteRating == -1 ||
2776 gameInfo.blackRating == -1)) {
2778 gameInfo.whiteRating = string_to_rating(star_match[1]);
2779 gameInfo.blackRating = string_to_rating(star_match[3]);
2780 if (appData.debugMode)
2781 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
2782 gameInfo.whiteRating, gameInfo.blackRating);
2787 if (looking_at(buf, &i,
2788 "* * match, initial time: * minute*, increment: * second")) {
2789 /* Header for a move list -- second line */
2790 /* Initial board will follow if this is a wild game */
2791 if (gameInfo.event != NULL) free(gameInfo.event);
2792 sprintf(str, "ICS %s %s match", star_match[0], star_match[1]);
2793 gameInfo.event = StrSave(str);
2794 /* [HGM] we switched variant. Translate boards if needed. */
2795 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
2799 if (looking_at(buf, &i, "Move ")) {
2800 /* Beginning of a move list */
2801 switch (ics_getting_history) {
2803 /* Normally should not happen */
2804 /* Maybe user hit reset while we were parsing */
2807 /* Happens if we are ignoring a move list that is not
2808 * the one we just requested. Common if the user
2809 * tries to observe two games without turning off
2812 case H_GETTING_MOVES:
2813 /* Should not happen */
2814 DisplayError(_("Error gathering move list: nested"), 0);
2815 ics_getting_history = H_FALSE;
2817 case H_GOT_REQ_HEADER:
2818 ics_getting_history = H_GETTING_MOVES;
2819 started = STARTED_MOVES;
2821 if (oldi > next_out) {
2822 SendToPlayer(&buf[next_out], oldi - next_out);
2825 case H_GOT_UNREQ_HEADER:
2826 ics_getting_history = H_GETTING_MOVES;
2827 started = STARTED_MOVES_NOHIDE;
2830 case H_GOT_UNWANTED_HEADER:
2831 ics_getting_history = H_FALSE;
2837 if (looking_at(buf, &i, "% ") ||
2838 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
2839 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
2840 savingComment = FALSE;
2843 case STARTED_MOVES_NOHIDE:
2844 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
2845 parse[parse_pos + i - oldi] = NULLCHAR;
2846 ParseGameHistory(parse);
2848 if (appData.zippyPlay && first.initDone) {
2849 FeedMovesToProgram(&first, forwardMostMove);
2850 if (gameMode == IcsPlayingWhite) {
2851 if (WhiteOnMove(forwardMostMove)) {
2852 if (first.sendTime) {
2853 if (first.useColors) {
2854 SendToProgram("black\n", &first);
2856 SendTimeRemaining(&first, TRUE);
2858 if (first.useColors) {
2859 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
2861 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
2862 first.maybeThinking = TRUE;
2864 if (first.usePlayother) {
2865 if (first.sendTime) {
2866 SendTimeRemaining(&first, TRUE);
2868 SendToProgram("playother\n", &first);
2874 } else if (gameMode == IcsPlayingBlack) {
2875 if (!WhiteOnMove(forwardMostMove)) {
2876 if (first.sendTime) {
2877 if (first.useColors) {
2878 SendToProgram("white\n", &first);
2880 SendTimeRemaining(&first, FALSE);
2882 if (first.useColors) {
2883 SendToProgram("black\n", &first);
2885 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
2886 first.maybeThinking = TRUE;
2888 if (first.usePlayother) {
2889 if (first.sendTime) {
2890 SendTimeRemaining(&first, FALSE);
2892 SendToProgram("playother\n", &first);
2901 if (gameMode == IcsObserving && ics_gamenum == -1) {
2902 /* Moves came from oldmoves or moves command
2903 while we weren't doing anything else.
2905 currentMove = forwardMostMove;
2906 ClearHighlights();/*!!could figure this out*/
2907 flipView = appData.flipView;
2908 DrawPosition(TRUE, boards[currentMove]);
2909 DisplayBothClocks();
2910 sprintf(str, "%s vs. %s",
2911 gameInfo.white, gameInfo.black);
2915 /* Moves were history of an active game */
2916 if (gameInfo.resultDetails != NULL) {
2917 free(gameInfo.resultDetails);
2918 gameInfo.resultDetails = NULL;
2921 HistorySet(parseList, backwardMostMove,
2922 forwardMostMove, currentMove-1);
2923 DisplayMove(currentMove - 1);
2924 if (started == STARTED_MOVES) next_out = i;
2925 started = STARTED_NONE;
2926 ics_getting_history = H_FALSE;
2929 case STARTED_OBSERVE:
2930 started = STARTED_NONE;
2931 SendToICS(ics_prefix);
2932 SendToICS("refresh\n");
2938 if(bookHit) { // [HGM] book: simulate book reply
2939 static char bookMove[MSG_SIZ]; // a bit generous?
2941 programStats.nodes = programStats.depth = programStats.time =
2942 programStats.score = programStats.got_only_move = 0;
2943 sprintf(programStats.movelist, "%s (xbook)", bookHit);
2945 strcpy(bookMove, "move ");
2946 strcat(bookMove, bookHit);
2947 HandleMachineMove(bookMove, &first);
2952 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
2953 started == STARTED_HOLDINGS ||
2954 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
2955 /* Accumulate characters in move list or board */
2956 parse[parse_pos++] = buf[i];
2959 /* Start of game messages. Mostly we detect start of game
2960 when the first board image arrives. On some versions
2961 of the ICS, though, we need to do a "refresh" after starting
2962 to observe in order to get the current board right away. */
2963 if (looking_at(buf, &i, "Adding game * to observation list")) {
2964 started = STARTED_OBSERVE;
2968 /* Handle auto-observe */
2969 if (appData.autoObserve &&
2970 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
2971 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
2973 /* Choose the player that was highlighted, if any. */
2974 if (star_match[0][0] == '\033' ||
2975 star_match[1][0] != '\033') {
2976 player = star_match[0];
2978 player = star_match[2];
2980 sprintf(str, "%sobserve %s\n",
2981 ics_prefix, StripHighlightAndTitle(player));
2984 /* Save ratings from notify string */
2985 strcpy(player1Name, star_match[0]);
2986 player1Rating = string_to_rating(star_match[1]);
2987 strcpy(player2Name, star_match[2]);
2988 player2Rating = string_to_rating(star_match[3]);
2990 if (appData.debugMode)
2992 "Ratings from 'Game notification:' %s %d, %s %d\n",
2993 player1Name, player1Rating,
2994 player2Name, player2Rating);
2999 /* Deal with automatic examine mode after a game,
3000 and with IcsObserving -> IcsExamining transition */
3001 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3002 looking_at(buf, &i, "has made you an examiner of game *")) {
3004 int gamenum = atoi(star_match[0]);
3005 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3006 gamenum == ics_gamenum) {
3007 /* We were already playing or observing this game;
3008 no need to refetch history */
3009 gameMode = IcsExamining;
3011 pauseExamForwardMostMove = forwardMostMove;
3012 } else if (currentMove < forwardMostMove) {
3013 ForwardInner(forwardMostMove);
3016 /* I don't think this case really can happen */
3017 SendToICS(ics_prefix);
3018 SendToICS("refresh\n");
3023 /* Error messages */
3024 // if (ics_user_moved) {
3025 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3026 if (looking_at(buf, &i, "Illegal move") ||
3027 looking_at(buf, &i, "Not a legal move") ||
3028 looking_at(buf, &i, "Your king is in check") ||
3029 looking_at(buf, &i, "It isn't your turn") ||
3030 looking_at(buf, &i, "It is not your move")) {
3032 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3033 currentMove = --forwardMostMove;
3034 DisplayMove(currentMove - 1); /* before DMError */
3035 DrawPosition(FALSE, boards[currentMove]);
3037 DisplayBothClocks();
3039 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3045 if (looking_at(buf, &i, "still have time") ||
3046 looking_at(buf, &i, "not out of time") ||
3047 looking_at(buf, &i, "either player is out of time") ||
3048 looking_at(buf, &i, "has timeseal; checking")) {
3049 /* We must have called his flag a little too soon */
3050 whiteFlag = blackFlag = FALSE;
3054 if (looking_at(buf, &i, "added * seconds to") ||
3055 looking_at(buf, &i, "seconds were added to")) {
3056 /* Update the clocks */
3057 SendToICS(ics_prefix);
3058 SendToICS("refresh\n");
3062 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3063 ics_clock_paused = TRUE;
3068 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3069 ics_clock_paused = FALSE;
3074 /* Grab player ratings from the Creating: message.
3075 Note we have to check for the special case when
3076 the ICS inserts things like [white] or [black]. */
3077 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3078 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3080 0 player 1 name (not necessarily white)
3082 2 empty, white, or black (IGNORED)
3083 3 player 2 name (not necessarily black)
3086 The names/ratings are sorted out when the game
3087 actually starts (below).
3089 strcpy(player1Name, StripHighlightAndTitle(star_match[0]));
3090 player1Rating = string_to_rating(star_match[1]);
3091 strcpy(player2Name, StripHighlightAndTitle(star_match[3]));
3092 player2Rating = string_to_rating(star_match[4]);
3094 if (appData.debugMode)
3096 "Ratings from 'Creating:' %s %d, %s %d\n",
3097 player1Name, player1Rating,
3098 player2Name, player2Rating);
3103 /* Improved generic start/end-of-game messages */
3104 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3105 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3106 /* If tkind == 0: */
3107 /* star_match[0] is the game number */
3108 /* [1] is the white player's name */
3109 /* [2] is the black player's name */
3110 /* For end-of-game: */
3111 /* [3] is the reason for the game end */
3112 /* [4] is a PGN end game-token, preceded by " " */
3113 /* For start-of-game: */
3114 /* [3] begins with "Creating" or "Continuing" */
3115 /* [4] is " *" or empty (don't care). */
3116 int gamenum = atoi(star_match[0]);
3117 char *whitename, *blackname, *why, *endtoken;
3118 ChessMove endtype = (ChessMove) 0;
3121 whitename = star_match[1];
3122 blackname = star_match[2];
3123 why = star_match[3];
3124 endtoken = star_match[4];
3126 whitename = star_match[1];
3127 blackname = star_match[3];
3128 why = star_match[5];
3129 endtoken = star_match[6];
3132 /* Game start messages */
3133 if (strncmp(why, "Creating ", 9) == 0 ||
3134 strncmp(why, "Continuing ", 11) == 0) {
3135 gs_gamenum = gamenum;
3136 strcpy(gs_kind, strchr(why, ' ') + 1);
3137 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3139 if (appData.zippyPlay) {
3140 ZippyGameStart(whitename, blackname);
3146 /* Game end messages */
3147 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3148 ics_gamenum != gamenum) {
3151 while (endtoken[0] == ' ') endtoken++;
3152 switch (endtoken[0]) {
3155 endtype = GameUnfinished;
3158 endtype = BlackWins;
3161 if (endtoken[1] == '/')
3162 endtype = GameIsDrawn;
3164 endtype = WhiteWins;
3167 GameEnds(endtype, why, GE_ICS);
3169 if (appData.zippyPlay && first.initDone) {
3170 ZippyGameEnd(endtype, why);
3171 if (first.pr == NULL) {
3172 /* Start the next process early so that we'll
3173 be ready for the next challenge */
3174 StartChessProgram(&first);
3176 /* Send "new" early, in case this command takes
3177 a long time to finish, so that we'll be ready
3178 for the next challenge. */
3179 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3186 if (looking_at(buf, &i, "Removing game * from observation") ||
3187 looking_at(buf, &i, "no longer observing game *") ||
3188 looking_at(buf, &i, "Game * (*) has no examiners")) {
3189 if (gameMode == IcsObserving &&
3190 atoi(star_match[0]) == ics_gamenum)
3192 /* icsEngineAnalyze */
3193 if (appData.icsEngineAnalyze) {
3200 ics_user_moved = FALSE;
3205 if (looking_at(buf, &i, "no longer examining game *")) {
3206 if (gameMode == IcsExamining &&
3207 atoi(star_match[0]) == ics_gamenum)
3211 ics_user_moved = FALSE;
3216 /* Advance leftover_start past any newlines we find,
3217 so only partial lines can get reparsed */
3218 if (looking_at(buf, &i, "\n")) {
3219 prevColor = curColor;
3220 if (curColor != ColorNormal) {
3221 if (oldi > next_out) {
3222 SendToPlayer(&buf[next_out], oldi - next_out);
3225 Colorize(ColorNormal, FALSE);
3226 curColor = ColorNormal;
3228 if (started == STARTED_BOARD) {
3229 started = STARTED_NONE;
3230 parse[parse_pos] = NULLCHAR;
3231 ParseBoard12(parse);
3234 /* Send premove here */
3235 if (appData.premove) {
3237 if (currentMove == 0 &&
3238 gameMode == IcsPlayingWhite &&
3239 appData.premoveWhite) {
3240 sprintf(str, "%s\n", appData.premoveWhiteText);
3241 if (appData.debugMode)
3242 fprintf(debugFP, "Sending premove:\n");
3244 } else if (currentMove == 1 &&
3245 gameMode == IcsPlayingBlack &&
3246 appData.premoveBlack) {
3247 sprintf(str, "%s\n", appData.premoveBlackText);
3248 if (appData.debugMode)
3249 fprintf(debugFP, "Sending premove:\n");
3251 } else if (gotPremove) {
3253 ClearPremoveHighlights();
3254 if (appData.debugMode)
3255 fprintf(debugFP, "Sending premove:\n");
3256 UserMoveEvent(premoveFromX, premoveFromY,
3257 premoveToX, premoveToY,
3262 /* Usually suppress following prompt */
3263 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3264 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3265 if (looking_at(buf, &i, "*% ")) {
3266 savingComment = FALSE;
3270 } else if (started == STARTED_HOLDINGS) {
3272 char new_piece[MSG_SIZ];
3273 started = STARTED_NONE;
3274 parse[parse_pos] = NULLCHAR;
3275 if (appData.debugMode)
3276 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
3277 parse, currentMove);
3278 if (sscanf(parse, " game %d", &gamenum) == 1 &&
3279 gamenum == ics_gamenum) {
3280 if (gameInfo.variant == VariantNormal) {
3281 /* [HGM] We seem to switch variant during a game!
3282 * Presumably no holdings were displayed, so we have
3283 * to move the position two files to the right to
3284 * create room for them!
3286 VariantClass newVariant;
3287 switch(gameInfo.boardWidth) { // base guess on board width
3288 case 9: newVariant = VariantShogi; break;
3289 case 10: newVariant = VariantGreat; break;
3290 default: newVariant = VariantCrazyhouse; break;
3292 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3293 /* Get a move list just to see the header, which
3294 will tell us whether this is really bug or zh */
3295 if (ics_getting_history == H_FALSE) {
3296 ics_getting_history = H_REQUESTED;
3297 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3301 new_piece[0] = NULLCHAR;
3302 sscanf(parse, "game %d white [%s black [%s <- %s",
3303 &gamenum, white_holding, black_holding,
3305 white_holding[strlen(white_holding)-1] = NULLCHAR;
3306 black_holding[strlen(black_holding)-1] = NULLCHAR;
3307 /* [HGM] copy holdings to board holdings area */
3308 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
3309 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
3310 boards[forwardMostMove][BOARD_SIZE-1][BOARD_SIZE-2] = 1; // flag holdings as set
3312 if (appData.zippyPlay && first.initDone) {
3313 ZippyHoldings(white_holding, black_holding,
3317 if (tinyLayout || smallLayout) {
3318 char wh[16], bh[16];
3319 PackHolding(wh, white_holding);
3320 PackHolding(bh, black_holding);
3321 sprintf(str, "[%s-%s] %s-%s", wh, bh,
3322 gameInfo.white, gameInfo.black);
3324 sprintf(str, "%s [%s] vs. %s [%s]",
3325 gameInfo.white, white_holding,
3326 gameInfo.black, black_holding);
3329 DrawPosition(FALSE, boards[currentMove]);
3332 /* Suppress following prompt */
3333 if (looking_at(buf, &i, "*% ")) {
3334 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
3335 savingComment = FALSE;
3342 i++; /* skip unparsed character and loop back */
3345 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz suppress printing in ICS interaction window
3346 started != STARTED_HOLDINGS && i > next_out) {
3347 SendToPlayer(&buf[next_out], i - next_out);
3350 suppressKibitz = FALSE; // [HGM] kibitz: has done its duty in if-statement above
3352 leftover_len = buf_len - leftover_start;
3353 /* if buffer ends with something we couldn't parse,
3354 reparse it after appending the next read */
3356 } else if (count == 0) {
3357 RemoveInputSource(isr);
3358 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
3360 DisplayFatalError(_("Error reading from ICS"), error, 1);
3365 /* Board style 12 looks like this:
3367 <12> r-b---k- pp----pp ---bP--- ---p---- q------- ------P- P--Q--BP -----R-K W -1 0 0 0 0 0 0 paf MaxII 0 2 12 21 25 234 174 24 Q/d7-a4 (0:06) Qxa4 0 0
3369 * The "<12> " is stripped before it gets to this routine. The two
3370 * trailing 0's (flip state and clock ticking) are later addition, and
3371 * some chess servers may not have them, or may have only the first.
3372 * Additional trailing fields may be added in the future.
3375 #define PATTERN "%c%d%d%d%d%d%d%d%s%s%d%d%d%d%d%d%d%d%s%s%s%d%d"
3377 #define RELATION_OBSERVING_PLAYED 0
3378 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
3379 #define RELATION_PLAYING_MYMOVE 1
3380 #define RELATION_PLAYING_NOTMYMOVE -1
3381 #define RELATION_EXAMINING 2
3382 #define RELATION_ISOLATED_BOARD -3
3383 #define RELATION_STARTING_POSITION -4 /* FICS only */
3386 ParseBoard12(string)
3389 GameMode newGameMode;
3390 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
3391 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
3392 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
3393 char to_play, board_chars[200];
3394 char move_str[500], str[500], elapsed_time[500];
3395 char black[32], white[32];
3397 int prevMove = currentMove;
3400 int fromX, fromY, toX, toY;
3402 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
3403 char *bookHit = NULL; // [HGM] book
3404 Boolean weird = FALSE, reqFlag = FALSE;
3406 fromX = fromY = toX = toY = -1;
3410 if (appData.debugMode)
3411 fprintf(debugFP, _("Parsing board: %s\n"), string);
3413 move_str[0] = NULLCHAR;
3414 elapsed_time[0] = NULLCHAR;
3415 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
3417 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
3418 if(string[i] == ' ') { ranks++; files = 0; }
3420 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
3423 for(j = 0; j <i; j++) board_chars[j] = string[j];
3424 board_chars[i] = '\0';
3427 n = sscanf(string, PATTERN, &to_play, &double_push,
3428 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
3429 &gamenum, white, black, &relation, &basetime, &increment,
3430 &white_stren, &black_stren, &white_time, &black_time,
3431 &moveNum, str, elapsed_time, move_str, &ics_flip,
3435 snprintf(str, sizeof(str), _("Failed to parse board string:\n\"%s\""), string);
3436 DisplayError(str, 0);
3440 /* Convert the move number to internal form */
3441 moveNum = (moveNum - 1) * 2;
3442 if (to_play == 'B') moveNum++;
3443 if (moveNum >= MAX_MOVES) {
3444 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
3450 case RELATION_OBSERVING_PLAYED:
3451 case RELATION_OBSERVING_STATIC:
3452 if (gamenum == -1) {
3453 /* Old ICC buglet */
3454 relation = RELATION_OBSERVING_STATIC;
3456 newGameMode = IcsObserving;
3458 case RELATION_PLAYING_MYMOVE:
3459 case RELATION_PLAYING_NOTMYMOVE:
3461 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
3462 IcsPlayingWhite : IcsPlayingBlack;
3464 case RELATION_EXAMINING:
3465 newGameMode = IcsExamining;
3467 case RELATION_ISOLATED_BOARD:
3469 /* Just display this board. If user was doing something else,
3470 we will forget about it until the next board comes. */
3471 newGameMode = IcsIdle;
3473 case RELATION_STARTING_POSITION:
3474 newGameMode = gameMode;
3478 /* Modify behavior for initial board display on move listing
3481 switch (ics_getting_history) {
3485 case H_GOT_REQ_HEADER:
3486 case H_GOT_UNREQ_HEADER:
3487 /* This is the initial position of the current game */
3488 gamenum = ics_gamenum;
3489 moveNum = 0; /* old ICS bug workaround */
3490 if (to_play == 'B') {
3491 startedFromSetupPosition = TRUE;
3492 blackPlaysFirst = TRUE;
3494 if (forwardMostMove == 0) forwardMostMove = 1;
3495 if (backwardMostMove == 0) backwardMostMove = 1;
3496 if (currentMove == 0) currentMove = 1;
3498 newGameMode = gameMode;
3499 relation = RELATION_STARTING_POSITION; /* ICC needs this */
3501 case H_GOT_UNWANTED_HEADER:
3502 /* This is an initial board that we don't want */
3504 case H_GETTING_MOVES:
3505 /* Should not happen */
3506 DisplayError(_("Error gathering move list: extra board"), 0);
3507 ics_getting_history = H_FALSE;
3511 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
3512 weird && (int)gameInfo.variant <= (int)VariantShogi) {
3513 /* [HGM] We seem to have switched variant unexpectedly
3514 * Try to guess new variant from board size
3516 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
3517 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
3518 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
3519 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
3520 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
3521 if(!weird) newVariant = VariantNormal;
3522 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3523 /* Get a move list just to see the header, which
3524 will tell us whether this is really bug or zh */
3525 if (ics_getting_history == H_FALSE) {
3526 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
3527 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3532 /* Take action if this is the first board of a new game, or of a
3533 different game than is currently being displayed. */
3534 if (gamenum != ics_gamenum || newGameMode != gameMode ||
3535 relation == RELATION_ISOLATED_BOARD) {
3537 /* Forget the old game and get the history (if any) of the new one */
3538 if (gameMode != BeginningOfGame) {
3542 if (appData.autoRaiseBoard) BoardToTop();
3544 if (gamenum == -1) {
3545 newGameMode = IcsIdle;
3546 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
3547 appData.getMoveList && !reqFlag) {
3548 /* Need to get game history */
3549 ics_getting_history = H_REQUESTED;
3550 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3554 /* Initially flip the board to have black on the bottom if playing
3555 black or if the ICS flip flag is set, but let the user change
3556 it with the Flip View button. */
3557 flipView = appData.autoFlipView ?
3558 (newGameMode == IcsPlayingBlack) || ics_flip :
3561 /* Done with values from previous mode; copy in new ones */
3562 gameMode = newGameMode;
3564 ics_gamenum = gamenum;
3565 if (gamenum == gs_gamenum) {
3566 int klen = strlen(gs_kind);
3567 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
3568 sprintf(str, "ICS %s", gs_kind);
3569 gameInfo.event = StrSave(str);
3571 gameInfo.event = StrSave("ICS game");
3573 gameInfo.site = StrSave(appData.icsHost);
3574 gameInfo.date = PGNDate();
3575 gameInfo.round = StrSave("-");
3576 gameInfo.white = StrSave(white);
3577 gameInfo.black = StrSave(black);
3578 timeControl = basetime * 60 * 1000;
3580 timeIncrement = increment * 1000;
3581 movesPerSession = 0;
3582 gameInfo.timeControl = TimeControlTagValue();
3583 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
3584 if (appData.debugMode) {
3585 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
3586 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
3587 setbuf(debugFP, NULL);
3590 gameInfo.outOfBook = NULL;
3592 /* Do we have the ratings? */
3593 if (strcmp(player1Name, white) == 0 &&
3594 strcmp(player2Name, black) == 0) {
3595 if (appData.debugMode)
3596 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
3597 player1Rating, player2Rating);
3598 gameInfo.whiteRating = player1Rating;
3599 gameInfo.blackRating = player2Rating;
3600 } else if (strcmp(player2Name, white) == 0 &&
3601 strcmp(player1Name, black) == 0) {
3602 if (appData.debugMode)
3603 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
3604 player2Rating, player1Rating);
3605 gameInfo.whiteRating = player2Rating;
3606 gameInfo.blackRating = player1Rating;
3608 player1Name[0] = player2Name[0] = NULLCHAR;
3610 /* Silence shouts if requested */
3611 if (appData.quietPlay &&
3612 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
3613 SendToICS(ics_prefix);
3614 SendToICS("set shout 0\n");
3618 /* Deal with midgame name changes */
3620 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
3621 if (gameInfo.white) free(gameInfo.white);
3622 gameInfo.white = StrSave(white);
3624 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
3625 if (gameInfo.black) free(gameInfo.black);
3626 gameInfo.black = StrSave(black);
3630 /* Throw away game result if anything actually changes in examine mode */
3631 if (gameMode == IcsExamining && !newGame) {
3632 gameInfo.result = GameUnfinished;
3633 if (gameInfo.resultDetails != NULL) {
3634 free(gameInfo.resultDetails);
3635 gameInfo.resultDetails = NULL;
3639 /* In pausing && IcsExamining mode, we ignore boards coming
3640 in if they are in a different variation than we are. */
3641 if (pauseExamInvalid) return;
3642 if (pausing && gameMode == IcsExamining) {
3643 if (moveNum <= pauseExamForwardMostMove) {
3644 pauseExamInvalid = TRUE;
3645 forwardMostMove = pauseExamForwardMostMove;
3650 if (appData.debugMode) {
3651 fprintf(debugFP, "load %dx%d board\n", files, ranks);
3653 /* Parse the board */
3654 for (k = 0; k < ranks; k++) {
3655 for (j = 0; j < files; j++)
3656 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
3657 if(gameInfo.holdingsWidth > 1) {
3658 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
3659 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
3662 CopyBoard(boards[moveNum], board);
3663 boards[moveNum][BOARD_SIZE-1][BOARD_SIZE-2] = 0; // [HGM] indicate holdings not set
3665 startedFromSetupPosition =
3666 !CompareBoards(board, initialPosition);
3667 if(startedFromSetupPosition)
3668 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
3671 /* [HGM] Set castling rights. Take the outermost Rooks,
3672 to make it also work for FRC opening positions. Note that board12
3673 is really defective for later FRC positions, as it has no way to
3674 indicate which Rook can castle if they are on the same side of King.
3675 For the initial position we grant rights to the outermost Rooks,
3676 and remember thos rights, and we then copy them on positions
3677 later in an FRC game. This means WB might not recognize castlings with
3678 Rooks that have moved back to their original position as illegal,
3679 but in ICS mode that is not its job anyway.
3681 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
3682 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
3684 for(i=BOARD_LEFT, j= -1; i<BOARD_RGHT; i++)
3685 if(board[0][i] == WhiteRook) j = i;
3686 initialRights[0] = castlingRights[moveNum][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? -1 : j);
3687 for(i=BOARD_RGHT-1, j= -1; i>=BOARD_LEFT; i--)
3688 if(board[0][i] == WhiteRook) j = i;
3689 initialRights[1] = castlingRights[moveNum][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? -1 : j);
3690 for(i=BOARD_LEFT, j= -1; i<BOARD_RGHT; i++)
3691 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
3692 initialRights[3] = castlingRights[moveNum][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? -1 : j);
3693 for(i=BOARD_RGHT-1, j= -1; i>=BOARD_LEFT; i--)
3694 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
3695 initialRights[4] = castlingRights[moveNum][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? -1 : j);
3697 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
3698 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
3699 if(board[0][k] == wKing) initialRights[2] = castlingRights[moveNum][2] = k;
3700 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
3701 if(board[BOARD_HEIGHT-1][k] == bKing)
3702 initialRights[5] = castlingRights[moveNum][5] = k;
3703 if(gameInfo.variant == VariantTwoKings) {
3704 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
3705 if(board[0][4] == wKing) initialRights[2] = castlingRights[moveNum][2] = 4;
3706 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = castlingRights[moveNum][5] = 4;
3709 r = castlingRights[moveNum][0] = initialRights[0];
3710 if(board[0][r] != WhiteRook) castlingRights[moveNum][0] = -1;
3711 r = castlingRights[moveNum][1] = initialRights[1];
3712 if(board[0][r] != WhiteRook) castlingRights[moveNum][1] = -1;
3713 r = castlingRights[moveNum][3] = initialRights[3];
3714 if(board[BOARD_HEIGHT-1][r] != BlackRook) castlingRights[moveNum][3] = -1;
3715 r = castlingRights[moveNum][4] = initialRights[4];
3716 if(board[BOARD_HEIGHT-1][r] != BlackRook) castlingRights[moveNum][4] = -1;
3717 /* wildcastle kludge: always assume King has rights */
3718 r = castlingRights[moveNum][2] = initialRights[2];
3719 r = castlingRights[moveNum][5] = initialRights[5];
3721 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
3722 epStatus[moveNum] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
3725 if (ics_getting_history == H_GOT_REQ_HEADER ||
3726 ics_getting_history == H_GOT_UNREQ_HEADER) {
3727 /* This was an initial position from a move list, not
3728 the current position */
3732 /* Update currentMove and known move number limits */
3733 newMove = newGame || moveNum > forwardMostMove;
3736 forwardMostMove = backwardMostMove = currentMove = moveNum;
3737 if (gameMode == IcsExamining && moveNum == 0) {
3738 /* Workaround for ICS limitation: we are not told the wild
3739 type when starting to examine a game. But if we ask for
3740 the move list, the move list header will tell us */
3741 ics_getting_history = H_REQUESTED;
3742 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3745 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
3746 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
3748 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
3749 /* [HGM] applied this also to an engine that is silently watching */
3750 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
3751 (gameMode == IcsObserving || gameMode == IcsExamining) &&
3752 gameInfo.variant == currentlyInitializedVariant) {
3753 takeback = forwardMostMove - moveNum;
3754 for (i = 0; i < takeback; i++) {
3755 if (appData.debugMode) fprintf(debugFP, "take back move\n");
3756 SendToProgram("undo\n", &first);
3761 forwardMostMove = moveNum;
3762 if (!pausing || currentMove > forwardMostMove)
3763 currentMove = forwardMostMove;
3765 /* New part of history that is not contiguous with old part */
3766 if (pausing && gameMode == IcsExamining) {
3767 pauseExamInvalid = TRUE;
3768 forwardMostMove = pauseExamForwardMostMove;
3771 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
3773 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
3774 // [HGM] when we will receive the move list we now request, it will be
3775 // fed to the engine from the first move on. So if the engine is not
3776 // in the initial position now, bring it there.
3777 InitChessProgram(&first, 0);
3780 ics_getting_history = H_REQUESTED;
3781 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3784 forwardMostMove = backwardMostMove = currentMove = moveNum;
3787 /* Update the clocks */
3788 if (strchr(elapsed_time, '.')) {
3790 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
3791 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
3793 /* Time is in seconds */
3794 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
3795 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
3800 if (appData.zippyPlay && newGame &&
3801 gameMode != IcsObserving && gameMode != IcsIdle &&
3802 gameMode != IcsExamining)
3803 ZippyFirstBoard(moveNum, basetime, increment);
3806 /* Put the move on the move list, first converting
3807 to canonical algebraic form. */
3809 if (appData.debugMode) {
3810 if (appData.debugMode) { int f = forwardMostMove;
3811 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
3812 castlingRights[f][0],castlingRights[f][1],castlingRights[f][2],castlingRights[f][3],castlingRights[f][4],castlingRights[f][5]);
3814 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
3815 fprintf(debugFP, "moveNum = %d\n", moveNum);
3816 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
3817 setbuf(debugFP, NULL);
3819 if (moveNum <= backwardMostMove) {
3820 /* We don't know what the board looked like before
3822 strcpy(parseList[moveNum - 1], move_str);
3823 strcat(parseList[moveNum - 1], " ");
3824 strcat(parseList[moveNum - 1], elapsed_time);
3825 moveList[moveNum - 1][0] = NULLCHAR;
3826 } else if (strcmp(move_str, "none") == 0) {
3827 // [HGM] long SAN: swapped order; test for 'none' before parsing move
3828 /* Again, we don't know what the board looked like;
3829 this is really the start of the game. */
3830 parseList[moveNum - 1][0] = NULLCHAR;
3831 moveList[moveNum - 1][0] = NULLCHAR;
3832 backwardMostMove = moveNum;
3833 startedFromSetupPosition = TRUE;
3834 fromX = fromY = toX = toY = -1;
3836 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
3837 // So we parse the long-algebraic move string in stead of the SAN move
3838 int valid; char buf[MSG_SIZ], *prom;
3840 // str looks something like "Q/a1-a2"; kill the slash
3842 sprintf(buf, "%c%s", str[0], str+2);
3843 else strcpy(buf, str); // might be castling
3844 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
3845 strcat(buf, prom); // long move lacks promo specification!
3846 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
3847 if(appData.debugMode)
3848 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
3849 strcpy(move_str, buf);
3851 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
3852 &fromX, &fromY, &toX, &toY, &promoChar)
3853 || ParseOneMove(buf, moveNum - 1, &moveType,
3854 &fromX, &fromY, &toX, &toY, &promoChar);
3855 // end of long SAN patch
3857 (void) CoordsToAlgebraic(boards[moveNum - 1],
3858 PosFlags(moveNum - 1), EP_UNKNOWN,
3859 fromY, fromX, toY, toX, promoChar,
3860 parseList[moveNum-1]);
3861 switch (MateTest(boards[moveNum], PosFlags(moveNum), EP_UNKNOWN,
3862 castlingRights[moveNum]) ) {
3868 if(gameInfo.variant != VariantShogi)
3869 strcat(parseList[moveNum - 1], "+");
3872 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
3873 strcat(parseList[moveNum - 1], "#");
3876 strcat(parseList[moveNum - 1], " ");
3877 strcat(parseList[moveNum - 1], elapsed_time);
3878 /* currentMoveString is set as a side-effect of ParseOneMove */
3879 strcpy(moveList[moveNum - 1], currentMoveString);
3880 strcat(moveList[moveNum - 1], "\n");
3882 /* Move from ICS was illegal!? Punt. */
3883 if (appData.debugMode) {
3884 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
3885 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
3887 strcpy(parseList[moveNum - 1], move_str);
3888 strcat(parseList[moveNum - 1], " ");
3889 strcat(parseList[moveNum - 1], elapsed_time);
3890 moveList[moveNum - 1][0] = NULLCHAR;
3891 fromX = fromY = toX = toY = -1;
3894 if (appData.debugMode) {
3895 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
3896 setbuf(debugFP, NULL);
3900 /* Send move to chess program (BEFORE animating it). */
3901 if (appData.zippyPlay && !newGame && newMove &&
3902 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
3904 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
3905 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
3906 if (moveList[moveNum - 1][0] == NULLCHAR) {
3907 sprintf(str, _("Couldn't parse move \"%s\" from ICS"),
3909 DisplayError(str, 0);
3911 if (first.sendTime) {
3912 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
3914 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
3915 if (firstMove && !bookHit) {
3917 if (first.useColors) {
3918 SendToProgram(gameMode == IcsPlayingWhite ?
3920 "black\ngo\n", &first);
3922 SendToProgram("go\n", &first);
3924 first.maybeThinking = TRUE;
3927 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
3928 if (moveList[moveNum - 1][0] == NULLCHAR) {
3929 sprintf(str, _("Couldn't parse move \"%s\" from ICS"), move_str);
3930 DisplayError(str, 0);
3932 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
3933 SendMoveToProgram(moveNum - 1, &first);
3940 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
3941 /* If move comes from a remote source, animate it. If it
3942 isn't remote, it will have already been animated. */
3943 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
3944 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
3946 if (!pausing && appData.highlightLastMove) {
3947 SetHighlights(fromX, fromY, toX, toY);
3951 /* Start the clocks */
3952 whiteFlag = blackFlag = FALSE;
3953 appData.clockMode = !(basetime == 0 && increment == 0);
3955 ics_clock_paused = TRUE;
3957 } else if (ticking == 1) {
3958 ics_clock_paused = FALSE;
3960 if (gameMode == IcsIdle ||
3961 relation == RELATION_OBSERVING_STATIC ||
3962 relation == RELATION_EXAMINING ||
3964 DisplayBothClocks();
3968 /* Display opponents and material strengths */
3969 if (gameInfo.variant != VariantBughouse &&
3970 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
3971 if (tinyLayout || smallLayout) {
3972 if(gameInfo.variant == VariantNormal)
3973 sprintf(str, "%s(%d) %s(%d) {%d %d}",
3974 gameInfo.white, white_stren, gameInfo.black, black_stren,
3975 basetime, increment);
3977 sprintf(str, "%s(%d) %s(%d) {%d %d w%d}",
3978 gameInfo.white, white_stren, gameInfo.black, black_stren,
3979 basetime, increment, (int) gameInfo.variant);
3981 if(gameInfo.variant == VariantNormal)
3982 sprintf(str, "%s (%d) vs. %s (%d) {%d %d}",
3983 gameInfo.white, white_stren, gameInfo.black, black_stren,
3984 basetime, increment);
3986 sprintf(str, "%s (%d) vs. %s (%d) {%d %d %s}",
3987 gameInfo.white, white_stren, gameInfo.black, black_stren,
3988 basetime, increment, VariantName(gameInfo.variant));
3991 if (appData.debugMode) {
3992 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
3997 /* Display the board */
3998 if (!pausing && !appData.noGUI) {
4000 if (appData.premove)
4002 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4003 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4004 ClearPremoveHighlights();
4006 DrawPosition(FALSE, boards[currentMove]);
4007 DisplayMove(moveNum - 1);
4008 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4009 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4010 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4011 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4015 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4017 if(bookHit) { // [HGM] book: simulate book reply
4018 static char bookMove[MSG_SIZ]; // a bit generous?
4020 programStats.nodes = programStats.depth = programStats.time =
4021 programStats.score = programStats.got_only_move = 0;
4022 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4024 strcpy(bookMove, "move ");
4025 strcat(bookMove, bookHit);
4026 HandleMachineMove(bookMove, &first);
4035 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4036 ics_getting_history = H_REQUESTED;
4037 sprintf(buf, "%smoves %d\n", ics_prefix, ics_gamenum);
4043 AnalysisPeriodicEvent(force)
4046 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4047 && !force) || !appData.periodicUpdates)
4050 /* Send . command to Crafty to collect stats */
4051 SendToProgram(".\n", &first);
4053 /* Don't send another until we get a response (this makes
4054 us stop sending to old Crafty's which don't understand
4055 the "." command (sending illegal cmds resets node count & time,
4056 which looks bad)) */
4057 programStats.ok_to_send = 0;
4060 void ics_update_width(new_width)
4063 ics_printf("set width %d\n", new_width);
4067 SendMoveToProgram(moveNum, cps)
4069 ChessProgramState *cps;
4073 if (cps->useUsermove) {
4074 SendToProgram("usermove ", cps);
4078 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4079 int len = space - parseList[moveNum];
4080 memcpy(buf, parseList[moveNum], len);
4082 buf[len] = NULLCHAR;
4084 sprintf(buf, "%s\n", parseList[moveNum]);
4086 SendToProgram(buf, cps);
4088 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4089 AlphaRank(moveList[moveNum], 4);
4090 SendToProgram(moveList[moveNum], cps);
4091 AlphaRank(moveList[moveNum], 4); // and back
4093 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4094 * the engine. It would be nice to have a better way to identify castle
4096 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4097 && cps->useOOCastle) {
4098 int fromX = moveList[moveNum][0] - AAA;
4099 int fromY = moveList[moveNum][1] - ONE;
4100 int toX = moveList[moveNum][2] - AAA;
4101 int toY = moveList[moveNum][3] - ONE;
4102 if((boards[moveNum][fromY][fromX] == WhiteKing
4103 && boards[moveNum][toY][toX] == WhiteRook)
4104 || (boards[moveNum][fromY][fromX] == BlackKing
4105 && boards[moveNum][toY][toX] == BlackRook)) {
4106 if(toX > fromX) SendToProgram("O-O\n", cps);
4107 else SendToProgram("O-O-O\n", cps);
4109 else SendToProgram(moveList[moveNum], cps);
4111 else SendToProgram(moveList[moveNum], cps);
4112 /* End of additions by Tord */
4115 /* [HGM] setting up the opening has brought engine in force mode! */
4116 /* Send 'go' if we are in a mode where machine should play. */
4117 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4118 (gameMode == TwoMachinesPlay ||
4120 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4122 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4123 SendToProgram("go\n", cps);
4124 if (appData.debugMode) {
4125 fprintf(debugFP, "(extra)\n");
4128 setboardSpoiledMachineBlack = 0;
4132 SendMoveToICS(moveType, fromX, fromY, toX, toY)
4134 int fromX, fromY, toX, toY;
4136 char user_move[MSG_SIZ];
4140 sprintf(user_move, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4141 (int)moveType, fromX, fromY, toX, toY);
4142 DisplayError(user_move + strlen("say "), 0);
4144 case WhiteKingSideCastle:
4145 case BlackKingSideCastle:
4146 case WhiteQueenSideCastleWild:
4147 case BlackQueenSideCastleWild:
4149 case WhiteHSideCastleFR:
4150 case BlackHSideCastleFR:
4152 sprintf(user_move, "o-o\n");
4154 case WhiteQueenSideCastle:
4155 case BlackQueenSideCastle:
4156 case WhiteKingSideCastleWild:
4157 case BlackKingSideCastleWild:
4159 case WhiteASideCastleFR:
4160 case BlackASideCastleFR:
4162 sprintf(user_move, "o-o-o\n");
4164 case WhitePromotionQueen:
4165 case BlackPromotionQueen:
4166 case WhitePromotionRook:
4167 case BlackPromotionRook:
4168 case WhitePromotionBishop:
4169 case BlackPromotionBishop:
4170 case WhitePromotionKnight:
4171 case BlackPromotionKnight:
4172 case WhitePromotionKing:
4173 case BlackPromotionKing:
4174 case WhitePromotionChancellor:
4175 case BlackPromotionChancellor:
4176 case WhitePromotionArchbishop:
4177 case BlackPromotionArchbishop:
4178 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier)
4179 sprintf(user_move, "%c%c%c%c=%c\n",
4180 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4181 PieceToChar(WhiteFerz));
4182 else if(gameInfo.variant == VariantGreat)
4183 sprintf(user_move, "%c%c%c%c=%c\n",
4184 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4185 PieceToChar(WhiteMan));
4187 sprintf(user_move, "%c%c%c%c=%c\n",
4188 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4189 PieceToChar(PromoPiece(moveType)));
4193 sprintf(user_move, "%c@%c%c\n",
4194 ToUpper(PieceToChar((ChessSquare) fromX)),
4195 AAA + toX, ONE + toY);
4198 case WhiteCapturesEnPassant:
4199 case BlackCapturesEnPassant:
4200 case IllegalMove: /* could be a variant we don't quite understand */
4201 sprintf(user_move, "%c%c%c%c\n",
4202 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4205 SendToICS(user_move);
4206 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
4207 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
4211 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
4216 if (rf == DROP_RANK) {
4217 sprintf(move, "%c@%c%c\n",
4218 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
4220 if (promoChar == 'x' || promoChar == NULLCHAR) {
4221 sprintf(move, "%c%c%c%c\n",
4222 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
4224 sprintf(move, "%c%c%c%c%c\n",
4225 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
4231 ProcessICSInitScript(f)
4236 while (fgets(buf, MSG_SIZ, f)) {
4237 SendToICSDelayed(buf,(long)appData.msLoginDelay);
4244 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
4246 AlphaRank(char *move, int n)
4248 // char *p = move, c; int x, y;
4250 if (appData.debugMode) {
4251 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
4255 move[2]>='0' && move[2]<='9' &&
4256 move[3]>='a' && move[3]<='x' ) {
4258 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4259 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4261 if(move[0]>='0' && move[0]<='9' &&
4262 move[1]>='a' && move[1]<='x' &&
4263 move[2]>='0' && move[2]<='9' &&
4264 move[3]>='a' && move[3]<='x' ) {
4265 /* input move, Shogi -> normal */
4266 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
4267 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
4268 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4269 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4272 move[3]>='0' && move[3]<='9' &&
4273 move[2]>='a' && move[2]<='x' ) {
4275 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4276 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4279 move[0]>='a' && move[0]<='x' &&
4280 move[3]>='0' && move[3]<='9' &&
4281 move[2]>='a' && move[2]<='x' ) {
4282 /* output move, normal -> Shogi */
4283 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
4284 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
4285 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4286 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4287 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
4289 if (appData.debugMode) {
4290 fprintf(debugFP, " out = '%s'\n", move);
4294 /* Parser for moves from gnuchess, ICS, or user typein box */
4296 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
4299 ChessMove *moveType;
4300 int *fromX, *fromY, *toX, *toY;
4303 if (appData.debugMode) {
4304 fprintf(debugFP, "move to parse: %s\n", move);
4306 *moveType = yylexstr(moveNum, move);
4308 switch (*moveType) {
4309 case WhitePromotionChancellor:
4310 case BlackPromotionChancellor:
4311 case WhitePromotionArchbishop:
4312 case BlackPromotionArchbishop:
4313 case WhitePromotionQueen:
4314 case BlackPromotionQueen:
4315 case WhitePromotionRook:
4316 case BlackPromotionRook:
4317 case WhitePromotionBishop:
4318 case BlackPromotionBishop:
4319 case WhitePromotionKnight:
4320 case BlackPromotionKnight:
4321 case WhitePromotionKing:
4322 case BlackPromotionKing:
4324 case WhiteCapturesEnPassant:
4325 case BlackCapturesEnPassant:
4326 case WhiteKingSideCastle:
4327 case WhiteQueenSideCastle:
4328 case BlackKingSideCastle:
4329 case BlackQueenSideCastle:
4330 case WhiteKingSideCastleWild:
4331 case WhiteQueenSideCastleWild:
4332 case BlackKingSideCastleWild:
4333 case BlackQueenSideCastleWild:
4334 /* Code added by Tord: */
4335 case WhiteHSideCastleFR:
4336 case WhiteASideCastleFR:
4337 case BlackHSideCastleFR:
4338 case BlackASideCastleFR:
4339 /* End of code added by Tord */
4340 case IllegalMove: /* bug or odd chess variant */
4341 *fromX = currentMoveString[0] - AAA;
4342 *fromY = currentMoveString[1] - ONE;
4343 *toX = currentMoveString[2] - AAA;
4344 *toY = currentMoveString[3] - ONE;
4345 *promoChar = currentMoveString[4];
4346 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
4347 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
4348 if (appData.debugMode) {
4349 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
4351 *fromX = *fromY = *toX = *toY = 0;
4354 if (appData.testLegality) {
4355 return (*moveType != IllegalMove);
4357 return !(*fromX == *toX && *fromY == *toY);
4362 *fromX = *moveType == WhiteDrop ?
4363 (int) CharToPiece(ToUpper(currentMoveString[0])) :
4364 (int) CharToPiece(ToLower(currentMoveString[0]));
4366 *toX = currentMoveString[2] - AAA;
4367 *toY = currentMoveString[3] - ONE;
4368 *promoChar = NULLCHAR;
4372 case ImpossibleMove:
4373 case (ChessMove) 0: /* end of file */
4382 if (appData.debugMode) {
4383 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
4386 *fromX = *fromY = *toX = *toY = 0;
4387 *promoChar = NULLCHAR;
4392 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
4393 // All positions will have equal probability, but the current method will not provide a unique
4394 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
4400 int piecesLeft[(int)BlackPawn];
4401 int seed, nrOfShuffles;
4403 void GetPositionNumber()
4404 { // sets global variable seed
4407 seed = appData.defaultFrcPosition;
4408 if(seed < 0) { // randomize based on time for negative FRC position numbers
4409 for(i=0; i<50; i++) seed += random();
4410 seed = random() ^ random() >> 8 ^ random() << 8;
4411 if(seed<0) seed = -seed;
4415 int put(Board board, int pieceType, int rank, int n, int shade)
4416 // put the piece on the (n-1)-th empty squares of the given shade
4420 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
4421 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
4422 board[rank][i] = (ChessSquare) pieceType;
4423 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
4425 piecesLeft[pieceType]--;
4433 void AddOnePiece(Board board, int pieceType, int rank, int shade)
4434 // calculate where the next piece goes, (any empty square), and put it there
4438 i = seed % squaresLeft[shade];
4439 nrOfShuffles *= squaresLeft[shade];
4440 seed /= squaresLeft[shade];
4441 put(board, pieceType, rank, i, shade);
4444 void AddTwoPieces(Board board, int pieceType, int rank)
4445 // calculate where the next 2 identical pieces go, (any empty square), and put it there
4447 int i, n=squaresLeft[ANY], j=n-1, k;
4449 k = n*(n-1)/2; // nr of possibilities, not counting permutations
4450 i = seed % k; // pick one
4453 while(i >= j) i -= j--;
4454 j = n - 1 - j; i += j;
4455 put(board, pieceType, rank, j, ANY);
4456 put(board, pieceType, rank, i, ANY);
4459 void SetUpShuffle(Board board, int number)
4463 GetPositionNumber(); nrOfShuffles = 1;
4465 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
4466 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
4467 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
4469 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
4471 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
4472 p = (int) board[0][i];
4473 if(p < (int) BlackPawn) piecesLeft[p] ++;
4474 board[0][i] = EmptySquare;
4477 if(PosFlags(0) & F_ALL_CASTLE_OK) {
4478 // shuffles restricted to allow normal castling put KRR first
4479 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
4480 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
4481 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
4482 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
4483 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
4484 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
4485 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
4486 put(board, WhiteRook, 0, 0, ANY);
4487 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
4490 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
4491 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
4492 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
4493 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
4494 while(piecesLeft[p] >= 2) {
4495 AddOnePiece(board, p, 0, LITE);
4496 AddOnePiece(board, p, 0, DARK);
4498 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
4501 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
4502 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
4503 // but we leave King and Rooks for last, to possibly obey FRC restriction
4504 if(p == (int)WhiteRook) continue;
4505 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
4506 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
4509 // now everything is placed, except perhaps King (Unicorn) and Rooks
4511 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
4512 // Last King gets castling rights
4513 while(piecesLeft[(int)WhiteUnicorn]) {
4514 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
4515 initialRights[2] = initialRights[5] = castlingRights[0][2] = castlingRights[0][5] = i;
4518 while(piecesLeft[(int)WhiteKing]) {
4519 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
4520 initialRights[2] = initialRights[5] = castlingRights[0][2] = castlingRights[0][5] = i;
4525 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
4526 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
4529 // Only Rooks can be left; simply place them all
4530 while(piecesLeft[(int)WhiteRook]) {
4531 i = put(board, WhiteRook, 0, 0, ANY);
4532 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
4535 initialRights[1] = initialRights[4] = castlingRights[0][1] = castlingRights[0][4] = i;
4537 initialRights[0] = initialRights[3] = castlingRights[0][0] = castlingRights[0][3] = i;
4540 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
4541 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
4544 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
4547 int SetCharTable( char *table, const char * map )
4548 /* [HGM] moved here from winboard.c because of its general usefulness */
4549 /* Basically a safe strcpy that uses the last character as King */
4551 int result = FALSE; int NrPieces;
4553 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
4554 && NrPieces >= 12 && !(NrPieces&1)) {
4555 int i; /* [HGM] Accept even length from 12 to 34 */
4557 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
4558 for( i=0; i<NrPieces/2-1; i++ ) {
4560 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
4562 table[(int) WhiteKing] = map[NrPieces/2-1];
4563 table[(int) BlackKing] = map[NrPieces-1];
4571 void Prelude(Board board)
4572 { // [HGM] superchess: random selection of exo-pieces
4573 int i, j, k; ChessSquare p;
4574 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
4576 GetPositionNumber(); // use FRC position number
4578 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
4579 SetCharTable(pieceToChar, appData.pieceToCharTable);
4580 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
4581 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
4584 j = seed%4; seed /= 4;
4585 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
4586 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
4587 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
4588 j = seed%3 + (seed%3 >= j); seed /= 3;
4589 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
4590 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
4591 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
4592 j = seed%3; seed /= 3;
4593 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
4594 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
4595 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
4596 j = seed%2 + (seed%2 >= j); seed /= 2;
4597 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
4598 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
4599 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
4600 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
4601 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
4602 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
4603 put(board, exoPieces[0], 0, 0, ANY);
4604 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
4608 InitPosition(redraw)
4611 ChessSquare (* pieces)[BOARD_SIZE];
4612 int i, j, pawnRow, overrule,
4613 oldx = gameInfo.boardWidth,
4614 oldy = gameInfo.boardHeight,
4615 oldh = gameInfo.holdingsWidth,
4616 oldv = gameInfo.variant;
4618 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
4620 /* [AS] Initialize pv info list [HGM] and game status */
4622 for( i=0; i<MAX_MOVES; i++ ) {
4623 pvInfoList[i].depth = 0;
4624 epStatus[i]=EP_NONE;
4625 for( j=0; j<BOARD_SIZE; j++ ) castlingRights[i][j] = -1;
4628 initialRulePlies = 0; /* 50-move counter start */
4630 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
4631 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
4635 /* [HGM] logic here is completely changed. In stead of full positions */
4636 /* the initialized data only consist of the two backranks. The switch */
4637 /* selects which one we will use, which is than copied to the Board */
4638 /* initialPosition, which for the rest is initialized by Pawns and */
4639 /* empty squares. This initial position is then copied to boards[0], */
4640 /* possibly after shuffling, so that it remains available. */
4642 gameInfo.holdingsWidth = 0; /* default board sizes */
4643 gameInfo.boardWidth = 8;
4644 gameInfo.boardHeight = 8;
4645 gameInfo.holdingsSize = 0;
4646 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
4647 for(i=0; i<BOARD_SIZE; i++) initialRights[i] = -1; /* but no rights yet */
4648 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
4650 switch (gameInfo.variant) {
4651 case VariantFischeRandom:
4652 shuffleOpenings = TRUE;
4656 case VariantShatranj:
4657 pieces = ShatranjArray;
4658 nrCastlingRights = 0;
4659 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
4661 case VariantTwoKings:
4662 pieces = twoKingsArray;
4664 case VariantCapaRandom:
4665 shuffleOpenings = TRUE;
4666 case VariantCapablanca:
4667 pieces = CapablancaArray;
4668 gameInfo.boardWidth = 10;
4669 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
4672 pieces = GothicArray;
4673 gameInfo.boardWidth = 10;
4674 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
4677 pieces = JanusArray;
4678 gameInfo.boardWidth = 10;
4679 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
4680 nrCastlingRights = 6;
4681 castlingRights[0][0] = initialRights[0] = BOARD_RGHT-1;
4682 castlingRights[0][1] = initialRights[1] = BOARD_LEFT;
4683 castlingRights[0][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
4684 castlingRights[0][3] = initialRights[3] = BOARD_RGHT-1;
4685 castlingRights[0][4] = initialRights[4] = BOARD_LEFT;
4686 castlingRights[0][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
4689 pieces = FalconArray;
4690 gameInfo.boardWidth = 10;
4691 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
4693 case VariantXiangqi:
4694 pieces = XiangqiArray;
4695 gameInfo.boardWidth = 9;
4696 gameInfo.boardHeight = 10;
4697 nrCastlingRights = 0;
4698 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
4701 pieces = ShogiArray;
4702 gameInfo.boardWidth = 9;
4703 gameInfo.boardHeight = 9;
4704 gameInfo.holdingsSize = 7;
4705 nrCastlingRights = 0;
4706 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
4708 case VariantCourier:
4709 pieces = CourierArray;
4710 gameInfo.boardWidth = 12;
4711 nrCastlingRights = 0;
4712 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
4713 for(i=0; i<BOARD_SIZE; i++) initialRights[i] = -1;
4715 case VariantKnightmate:
4716 pieces = KnightmateArray;
4717 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
4720 pieces = fairyArray;
4721 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
4724 pieces = GreatArray;
4725 gameInfo.boardWidth = 10;
4726 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
4727 gameInfo.holdingsSize = 8;
4731 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
4732 gameInfo.holdingsSize = 8;
4733 startedFromSetupPosition = TRUE;
4735 case VariantCrazyhouse:
4736 case VariantBughouse:
4738 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
4739 gameInfo.holdingsSize = 5;
4741 case VariantWildCastle:
4743 /* !!?shuffle with kings guaranteed to be on d or e file */
4744 shuffleOpenings = 1;
4746 case VariantNoCastle:
4748 nrCastlingRights = 0;
4749 for(i=0; i<BOARD_SIZE; i++) initialRights[i] = -1;
4750 /* !!?unconstrained back-rank shuffle */
4751 shuffleOpenings = 1;
4756 if(appData.NrFiles >= 0) {
4757 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
4758 gameInfo.boardWidth = appData.NrFiles;
4760 if(appData.NrRanks >= 0) {
4761 gameInfo.boardHeight = appData.NrRanks;
4763 if(appData.holdingsSize >= 0) {
4764 i = appData.holdingsSize;
4765 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
4766 gameInfo.holdingsSize = i;
4768 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
4769 if(BOARD_HEIGHT > BOARD_SIZE || BOARD_WIDTH > BOARD_SIZE)
4770 DisplayFatalError(_("Recompile to support this BOARD_SIZE!"), 0, 2);
4772 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
4773 if(pawnRow < 1) pawnRow = 1;
4775 /* User pieceToChar list overrules defaults */
4776 if(appData.pieceToCharTable != NULL)
4777 SetCharTable(pieceToChar, appData.pieceToCharTable);
4779 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
4781 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
4782 s = (ChessSquare) 0; /* account holding counts in guard band */
4783 for( i=0; i<BOARD_HEIGHT; i++ )
4784 initialPosition[i][j] = s;
4786 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
4787 initialPosition[0][j] = pieces[0][j-gameInfo.holdingsWidth];
4788 initialPosition[pawnRow][j] = WhitePawn;
4789 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = BlackPawn;
4790 if(gameInfo.variant == VariantXiangqi) {
4792 initialPosition[pawnRow][j] =
4793 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
4794 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
4795 initialPosition[2][j] = WhiteCannon;
4796 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
4800 initialPosition[BOARD_HEIGHT-1][j] = pieces[1][j-gameInfo.holdingsWidth];
4802 if( (gameInfo.variant == VariantShogi) && !overrule ) {
4805 initialPosition[1][j] = WhiteBishop;
4806 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
4808 initialPosition[1][j] = WhiteRook;
4809 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
4812 if( nrCastlingRights == -1) {
4813 /* [HGM] Build normal castling rights (must be done after board sizing!) */
4814 /* This sets default castling rights from none to normal corners */
4815 /* Variants with other castling rights must set them themselves above */
4816 nrCastlingRights = 6;
4818 castlingRights[0][0] = initialRights[0] = BOARD_RGHT-1;
4819 castlingRights[0][1] = initialRights[1] = BOARD_LEFT;
4820 castlingRights[0][2] = initialRights[2] = BOARD_WIDTH>>1;
4821 castlingRights[0][3] = initialRights[3] = BOARD_RGHT-1;
4822 castlingRights[0][4] = initialRights[4] = BOARD_LEFT;
4823 castlingRights[0][5] = initialRights[5] = BOARD_WIDTH>>1;
4826 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
4827 if(gameInfo.variant == VariantGreat) { // promotion commoners
4828 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
4829 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
4830 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
4831 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
4833 if (appData.debugMode) {
4834 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
4836 if(shuffleOpenings) {
4837 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
4838 startedFromSetupPosition = TRUE;
4840 if(startedFromPositionFile) {
4841 /* [HGM] loadPos: use PositionFile for every new game */
4842 CopyBoard(initialPosition, filePosition);
4843 for(i=0; i<nrCastlingRights; i++)
4844 castlingRights[0][i] = initialRights[i] = fileRights[i];
4845 startedFromSetupPosition = TRUE;
4848 CopyBoard(boards[0], initialPosition);
4850 if(oldx != gameInfo.boardWidth ||
4851 oldy != gameInfo.boardHeight ||
4852 oldh != gameInfo.holdingsWidth
4854 || oldv == VariantGothic || // For licensing popups
4855 gameInfo.variant == VariantGothic
4858 || oldv == VariantFalcon ||
4859 gameInfo.variant == VariantFalcon
4862 InitDrawingSizes(-2 ,0);
4865 DrawPosition(TRUE, boards[currentMove]);
4869 SendBoard(cps, moveNum)
4870 ChessProgramState *cps;
4873 char message[MSG_SIZ];
4875 if (cps->useSetboard) {
4876 char* fen = PositionToFEN(moveNum, cps->fenOverride);
4877 sprintf(message, "setboard %s\n", fen);
4878 SendToProgram(message, cps);
4884 /* Kludge to set black to move, avoiding the troublesome and now
4885 * deprecated "black" command.
4887 if (!WhiteOnMove(moveNum)) SendToProgram("a2a3\n", cps);
4889 SendToProgram("edit\n", cps);
4890 SendToProgram("#\n", cps);
4891 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
4892 bp = &boards[moveNum][i][BOARD_LEFT];
4893 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
4894 if ((int) *bp < (int) BlackPawn) {
4895 sprintf(message, "%c%c%c\n", PieceToChar(*bp),
4897 if(message[0] == '+' || message[0] == '~') {
4898 sprintf(message, "%c%c%c+\n",
4899 PieceToChar((ChessSquare)(DEMOTED *bp)),
4902 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
4903 message[1] = BOARD_RGHT - 1 - j + '1';
4904 message[2] = BOARD_HEIGHT - 1 - i + 'a';
4906 SendToProgram(message, cps);
4911 SendToProgram("c\n", cps);
4912 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
4913 bp = &boards[moveNum][i][BOARD_LEFT];
4914 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
4915 if (((int) *bp != (int) EmptySquare)
4916 && ((int) *bp >= (int) BlackPawn)) {
4917 sprintf(message, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
4919 if(message[0] == '+' || message[0] == '~') {
4920 sprintf(message, "%c%c%c+\n",
4921 PieceToChar((ChessSquare)(DEMOTED *bp)),
4924 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
4925 message[1] = BOARD_RGHT - 1 - j + '1';
4926 message[2] = BOARD_HEIGHT - 1 - i + 'a';
4928 SendToProgram(message, cps);
4933 SendToProgram(".\n", cps);
4935 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
4939 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice)
4941 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
4942 /* [HGM] add Shogi promotions */
4943 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
4948 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
4949 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
4951 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
4952 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
4955 piece = boards[currentMove][fromY][fromX];
4956 if(gameInfo.variant == VariantShogi) {
4957 promotionZoneSize = 3;
4958 highestPromotingPiece = (int)WhiteFerz;
4961 // next weed out all moves that do not touch the promotion zone at all
4962 if((int)piece >= BlackPawn) {
4963 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
4965 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
4967 if( toY < BOARD_HEIGHT - promotionZoneSize &&
4968 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
4971 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
4973 // weed out mandatory Shogi promotions
4974 if(gameInfo.variant == VariantShogi) {
4975 if(piece >= BlackPawn) {
4976 if(toY == 0 && piece == BlackPawn ||
4977 toY == 0 && piece == BlackQueen ||
4978 toY <= 1 && piece == BlackKnight) {
4983 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
4984 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
4985 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
4992 // weed out obviously illegal Pawn moves
4993 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
4994 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
4995 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
4996 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
4997 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
4998 // note we are not allowed to test for valid (non-)capture, due to premove
5001 // we either have a choice what to promote to, or (in Shogi) whether to promote
5002 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier) {
5003 *promoChoice = PieceToChar(BlackFerz); // no choice
5006 if(appData.alwaysPromoteToQueen) { // predetermined
5007 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantLosers)
5008 *promoChoice = PieceToChar(BlackKing); // in Suicide Q is the last thing we want
5009 else *promoChoice = PieceToChar(BlackQueen);
5013 // suppress promotion popup on illegal moves that are not premoves
5014 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
5015 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
5016 if(appData.testLegality && !premove) {
5017 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5018 epStatus[currentMove], castlingRights[currentMove],
5019 fromY, fromX, toY, toX, NULLCHAR);
5020 if(moveType != WhitePromotionQueen && moveType != BlackPromotionQueen &&
5021 moveType != WhitePromotionKnight && moveType != BlackPromotionKnight)
5029 InPalace(row, column)
5031 { /* [HGM] for Xiangqi */
5032 if( (row < 3 || row > BOARD_HEIGHT-4) &&
5033 column < (BOARD_WIDTH + 4)/2 &&
5034 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
5039 PieceForSquare (x, y)
5043 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
5046 return boards[currentMove][y][x];
5050 OKToStartUserMove(x, y)
5053 ChessSquare from_piece;
5056 if (matchMode) return FALSE;
5057 if (gameMode == EditPosition) return TRUE;
5059 if (x >= 0 && y >= 0)
5060 from_piece = boards[currentMove][y][x];
5062 from_piece = EmptySquare;
5064 if (from_piece == EmptySquare) return FALSE;
5066 white_piece = (int)from_piece >= (int)WhitePawn &&
5067 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
5070 case PlayFromGameFile:
5072 case TwoMachinesPlay:
5080 case MachinePlaysWhite:
5081 case IcsPlayingBlack:
5082 if (appData.zippyPlay) return FALSE;
5084 DisplayMoveError(_("You are playing Black"));
5089 case MachinePlaysBlack:
5090 case IcsPlayingWhite:
5091 if (appData.zippyPlay) return FALSE;
5093 DisplayMoveError(_("You are playing White"));
5099 if (!white_piece && WhiteOnMove(currentMove)) {
5100 DisplayMoveError(_("It is White's turn"));
5103 if (white_piece && !WhiteOnMove(currentMove)) {
5104 DisplayMoveError(_("It is Black's turn"));
5107 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
5108 /* Editing correspondence game history */
5109 /* Could disallow this or prompt for confirmation */
5112 if (currentMove < forwardMostMove) {
5113 /* Discarding moves */
5114 /* Could prompt for confirmation here,
5115 but I don't think that's such a good idea */
5116 forwardMostMove = currentMove;
5120 case BeginningOfGame:
5121 if (appData.icsActive) return FALSE;
5122 if (!appData.noChessProgram) {
5124 DisplayMoveError(_("You are playing White"));
5131 if (!white_piece && WhiteOnMove(currentMove)) {
5132 DisplayMoveError(_("It is White's turn"));
5135 if (white_piece && !WhiteOnMove(currentMove)) {
5136 DisplayMoveError(_("It is Black's turn"));
5145 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
5146 && gameMode != AnalyzeFile && gameMode != Training) {
5147 DisplayMoveError(_("Displayed position is not current"));
5153 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
5154 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
5155 int lastLoadGameUseList = FALSE;
5156 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
5157 ChessMove lastLoadGameStart = (ChessMove) 0;
5160 UserMoveTest(fromX, fromY, toX, toY, promoChar, captureOwn)
5161 int fromX, fromY, toX, toY;
5166 ChessSquare pdown, pup;
5168 /* Check if the user is playing in turn. This is complicated because we
5169 let the user "pick up" a piece before it is his turn. So the piece he
5170 tried to pick up may have been captured by the time he puts it down!
5171 Therefore we use the color the user is supposed to be playing in this
5172 test, not the color of the piece that is currently on the starting
5173 square---except in EditGame mode, where the user is playing both
5174 sides; fortunately there the capture race can't happen. (It can
5175 now happen in IcsExamining mode, but that's just too bad. The user
5176 will get a somewhat confusing message in that case.)
5180 case PlayFromGameFile:
5182 case TwoMachinesPlay:
5186 /* We switched into a game mode where moves are not accepted,
5187 perhaps while the mouse button was down. */
5188 return ImpossibleMove;
5190 case MachinePlaysWhite:
5191 /* User is moving for Black */
5192 if (WhiteOnMove(currentMove)) {
5193 DisplayMoveError(_("It is White's turn"));
5194 return ImpossibleMove;
5198 case MachinePlaysBlack:
5199 /* User is moving for White */
5200 if (!WhiteOnMove(currentMove)) {
5201 DisplayMoveError(_("It is Black's turn"));
5202 return ImpossibleMove;
5208 case BeginningOfGame:
5211 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
5212 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
5213 /* User is moving for Black */
5214 if (WhiteOnMove(currentMove)) {
5215 DisplayMoveError(_("It is White's turn"));
5216 return ImpossibleMove;
5219 /* User is moving for White */
5220 if (!WhiteOnMove(currentMove)) {
5221 DisplayMoveError(_("It is Black's turn"));
5222 return ImpossibleMove;
5227 case IcsPlayingBlack:
5228 /* User is moving for Black */
5229 if (WhiteOnMove(currentMove)) {
5230 if (!appData.premove) {
5231 DisplayMoveError(_("It is White's turn"));
5232 } else if (toX >= 0 && toY >= 0) {
5235 premoveFromX = fromX;
5236 premoveFromY = fromY;
5237 premovePromoChar = promoChar;
5239 if (appData.debugMode)
5240 fprintf(debugFP, "Got premove: fromX %d,"
5241 "fromY %d, toX %d, toY %d\n",
5242 fromX, fromY, toX, toY);
5244 return ImpossibleMove;
5248 case IcsPlayingWhite:
5249 /* User is moving for White */
5250 if (!WhiteOnMove(currentMove)) {
5251 if (!appData.premove) {
5252 DisplayMoveError(_("It is Black's turn"));
5253 } else if (toX >= 0 && toY >= 0) {
5256 premoveFromX = fromX;
5257 premoveFromY = fromY;
5258 premovePromoChar = promoChar;
5260 if (appData.debugMode)
5261 fprintf(debugFP, "Got premove: fromX %d,"
5262 "fromY %d, toX %d, toY %d\n",
5263 fromX, fromY, toX, toY);
5265 return ImpossibleMove;
5273 /* EditPosition, empty square, or different color piece;
5274 click-click move is possible */
5275 if (toX == -2 || toY == -2) {
5276 boards[0][fromY][fromX] = EmptySquare;
5277 return AmbiguousMove;
5278 } else if (toX >= 0 && toY >= 0) {
5279 boards[0][toY][toX] = boards[0][fromY][fromX];
5280 boards[0][fromY][fromX] = EmptySquare;
5281 return AmbiguousMove;
5283 return ImpossibleMove;
5286 if(toX < 0 || toY < 0) return ImpossibleMove;
5287 pdown = boards[currentMove][fromY][fromX];
5288 pup = boards[currentMove][toY][toX];
5290 /* [HGM] If move started in holdings, it means a drop */
5291 if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) {
5292 if( pup != EmptySquare ) return ImpossibleMove;
5293 if(appData.testLegality) {
5294 /* it would be more logical if LegalityTest() also figured out
5295 * which drops are legal. For now we forbid pawns on back rank.
5296 * Shogi is on its own here...
5298 if( (pdown == WhitePawn || pdown == BlackPawn) &&
5299 (toY == 0 || toY == BOARD_HEIGHT -1 ) )
5300 return(ImpossibleMove); /* no pawn drops on 1st/8th */
5302 return WhiteDrop; /* Not needed to specify white or black yet */
5305 userOfferedDraw = FALSE;
5307 /* [HGM] always test for legality, to get promotion info */
5308 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5309 epStatus[currentMove], castlingRights[currentMove],
5310 fromY, fromX, toY, toX, promoChar);
5311 /* [HGM] but possibly ignore an IllegalMove result */
5312 if (appData.testLegality) {
5313 if (moveType == IllegalMove || moveType == ImpossibleMove) {
5314 DisplayMoveError(_("Illegal move"));
5315 return ImpossibleMove;
5320 /* [HGM] <popupFix> in stead of calling FinishMove directly, this
5321 function is made into one that returns an OK move type if FinishMove
5322 should be called. This to give the calling driver routine the
5323 opportunity to finish the userMove input with a promotion popup,
5324 without bothering the user with this for invalid or illegal moves */
5326 /* FinishMove(moveType, fromX, fromY, toX, toY, promoChar); */
5329 /* Common tail of UserMoveEvent and DropMenuEvent */
5331 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
5333 int fromX, fromY, toX, toY;
5334 /*char*/int promoChar;
5338 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR) {
5339 // [HGM] superchess: suppress promotions to non-available piece
5340 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
5341 if(WhiteOnMove(currentMove)) {
5342 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
5344 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
5348 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
5349 move type in caller when we know the move is a legal promotion */
5350 if(moveType == NormalMove && promoChar)
5351 moveType = PromoCharToMoveType(WhiteOnMove(currentMove), promoChar);
5353 /* [HGM] convert drag-and-drop piece drops to standard form */
5354 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ){
5355 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
5356 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
5357 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
5358 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
5359 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
5360 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
5361 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
5365 /* [HGM] <popupFix> The following if has been moved here from
5366 UserMoveEvent(). Because it seemed to belong here (why not allow
5367 piece drops in training games?), and because it can only be
5368 performed after it is known to what we promote. */
5369 if (gameMode == Training) {
5370 /* compare the move played on the board to the next move in the
5371 * game. If they match, display the move and the opponent's response.
5372 * If they don't match, display an error message.
5375 Board testBoard; char testRights[BOARD_SIZE]; char testStatus;
5376 CopyBoard(testBoard, boards[currentMove]);
5377 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard, testRights, &testStatus);
5379 if (CompareBoards(testBoard, boards[currentMove+1])) {
5380 ForwardInner(currentMove+1);
5382 /* Autoplay the opponent's response.
5383 * if appData.animate was TRUE when Training mode was entered,
5384 * the response will be animated.
5386 saveAnimate = appData.animate;
5387 appData.animate = animateTraining;
5388 ForwardInner(currentMove+1);
5389 appData.animate = saveAnimate;
5391 /* check for the end of the game */
5392 if (currentMove >= forwardMostMove) {
5393 gameMode = PlayFromGameFile;
5395 SetTrainingModeOff();
5396 DisplayInformation(_("End of game"));
5399 DisplayError(_("Incorrect move"), 0);
5404 /* Ok, now we know that the move is good, so we can kill
5405 the previous line in Analysis Mode */
5406 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5407 forwardMostMove = currentMove;
5410 /* If we need the chess program but it's dead, restart it */
5411 ResurrectChessProgram();
5413 /* A user move restarts a paused game*/
5417 thinkOutput[0] = NULLCHAR;
5419 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
5421 if (gameMode == BeginningOfGame) {
5422 if (appData.noChessProgram) {
5423 gameMode = EditGame;
5427 gameMode = MachinePlaysBlack;
5430 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
5432 if (first.sendName) {
5433 sprintf(buf, "name %s\n", gameInfo.white);
5434 SendToProgram(buf, &first);
5441 /* Relay move to ICS or chess engine */
5442 if (appData.icsActive) {
5443 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
5444 gameMode == IcsExamining) {
5445 SendMoveToICS(moveType, fromX, fromY, toX, toY);
5449 if (first.sendTime && (gameMode == BeginningOfGame ||
5450 gameMode == MachinePlaysWhite ||
5451 gameMode == MachinePlaysBlack)) {
5452 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
5454 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
5455 // [HGM] book: if program might be playing, let it use book
5456 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
5457 first.maybeThinking = TRUE;
5458 } else SendMoveToProgram(forwardMostMove-1, &first);
5459 if (currentMove == cmailOldMove + 1) {
5460 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
5464 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
5468 switch (MateTest(boards[currentMove], PosFlags(currentMove),
5469 EP_UNKNOWN, castlingRights[currentMove]) ) {
5475 if (WhiteOnMove(currentMove)) {
5476 GameEnds(BlackWins, "Black mates", GE_PLAYER);
5478 GameEnds(WhiteWins, "White mates", GE_PLAYER);
5482 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
5487 case MachinePlaysBlack:
5488 case MachinePlaysWhite:
5489 /* disable certain menu options while machine is thinking */
5490 SetMachineThinkingEnables();
5497 if(bookHit) { // [HGM] book: simulate book reply
5498 static char bookMove[MSG_SIZ]; // a bit generous?
5500 programStats.nodes = programStats.depth = programStats.time =
5501 programStats.score = programStats.got_only_move = 0;
5502 sprintf(programStats.movelist, "%s (xbook)", bookHit);
5504 strcpy(bookMove, "move ");
5505 strcat(bookMove, bookHit);
5506 HandleMachineMove(bookMove, &first);
5512 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
5513 int fromX, fromY, toX, toY;
5516 /* [HGM] This routine was added to allow calling of its two logical
5517 parts from other modules in the old way. Before, UserMoveEvent()
5518 automatically called FinishMove() if the move was OK, and returned
5519 otherwise. I separated the two, in order to make it possible to
5520 slip a promotion popup in between. But that it always needs two
5521 calls, to the first part, (now called UserMoveTest() ), and to
5522 FinishMove if the first part succeeded. Calls that do not need
5523 to do anything in between, can call this routine the old way.
5525 ChessMove moveType = UserMoveTest(fromX, fromY, toX, toY, promoChar, FALSE);
5526 if(appData.debugMode) fprintf(debugFP, "moveType 4 = %d, promochar = %x\n", moveType, promoChar);
5527 if(moveType == AmbiguousMove)
5528 DrawPosition(FALSE, boards[currentMove]);
5529 else if(moveType != ImpossibleMove && moveType != Comment)
5530 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
5533 void LeftClick(ClickType clickType, int xPix, int yPix)
5536 Boolean saveAnimate;
5537 static int second = 0, promotionChoice = 0;
5538 char promoChoice = NULLCHAR;
5540 if (clickType == Press) ErrorPopDown();
5542 x = EventToSquare(xPix, BOARD_WIDTH);
5543 y = EventToSquare(yPix, BOARD_HEIGHT);
5544 if (!flipView && y >= 0) {
5545 y = BOARD_HEIGHT - 1 - y;
5547 if (flipView && x >= 0) {
5548 x = BOARD_WIDTH - 1 - x;
5551 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
5552 if(clickType == Release) return; // ignore upclick of click-click destination
5553 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
5554 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
5555 if(gameInfo.holdingsWidth &&
5556 (WhiteOnMove(currentMove)
5557 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y > 0
5558 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT-1) ) {
5559 // click in right holdings, for determining promotion piece
5560 ChessSquare p = boards[currentMove][y][x];
5561 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
5562 if(p != EmptySquare) {
5563 FinishMove(NormalMove, fromX, fromY, toX, toY, ToLower(PieceToChar(p)));
5568 DrawPosition(FALSE, boards[currentMove]);
5572 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
5573 if(clickType == Press
5574 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
5575 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
5576 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
5580 if (clickType == Press) {
5582 if (OKToStartUserMove(x, y)) {
5586 DragPieceBegin(xPix, yPix);
5587 if (appData.highlightDragging) {
5588 SetHighlights(x, y, -1, -1);
5596 if (clickType == Press && gameMode != EditPosition) {
5601 // ignore off-board to clicks
5602 if(y < 0 || x < 0) return;
5604 /* Check if clicking again on the same color piece */
5605 fromP = boards[currentMove][fromY][fromX];
5606 toP = boards[currentMove][y][x];
5607 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom;
5608 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
5609 WhitePawn <= toP && toP <= WhiteKing &&
5610 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
5611 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
5612 (BlackPawn <= fromP && fromP <= BlackKing &&
5613 BlackPawn <= toP && toP <= BlackKing &&
5614 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
5615 !(fromP == BlackKing && toP == BlackRook && frc))) {
5616 /* Clicked again on same color piece -- changed his mind */
5617 second = (x == fromX && y == fromY);
5618 if (appData.highlightDragging) {
5619 SetHighlights(x, y, -1, -1);
5623 if (OKToStartUserMove(x, y)) {
5626 DragPieceBegin(xPix, yPix);
5630 // ignore clicks on holdings
5631 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
5634 if (clickType == Release && x == fromX && y == fromY) {
5635 DragPieceEnd(xPix, yPix);
5636 if (appData.animateDragging) {
5637 /* Undo animation damage if any */
5638 DrawPosition(FALSE, NULL);
5641 /* Second up/down in same square; just abort move */
5646 ClearPremoveHighlights();
5648 /* First upclick in same square; start click-click mode */
5649 SetHighlights(x, y, -1, -1);
5654 /* we now have a different from- and (possibly off-board) to-square */
5655 /* Completed move */
5658 saveAnimate = appData.animate;
5659 if (clickType == Press) {
5660 /* Finish clickclick move */
5661 if (appData.animate || appData.highlightLastMove) {
5662 SetHighlights(fromX, fromY, toX, toY);
5667 /* Finish drag move */
5668 if (appData.highlightLastMove) {
5669 SetHighlights(fromX, fromY, toX, toY);
5673 DragPieceEnd(xPix, yPix);
5674 /* Don't animate move and drag both */
5675 appData.animate = FALSE;
5678 // moves into holding are invalid for now (later perhaps allow in EditPosition)
5679 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
5682 DrawPosition(TRUE, NULL);
5686 // off-board moves should not be highlighted
5687 if(x < 0 || x < 0) ClearHighlights();
5689 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
5690 SetHighlights(fromX, fromY, toX, toY);
5691 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
5692 // [HGM] super: promotion to captured piece selected from holdings
5693 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
5694 promotionChoice = TRUE;
5695 // kludge follows to temporarily execute move on display, without promoting yet
5696 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
5697 boards[currentMove][toY][toX] = p;
5698 DrawPosition(FALSE, boards[currentMove]);
5699 boards[currentMove][fromY][fromX] = p; // take back, but display stays
5700 boards[currentMove][toY][toX] = q;
5701 DisplayMessage("Click in holdings to choose piece", "");
5706 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
5707 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
5708 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
5711 appData.animate = saveAnimate;
5712 if (appData.animate || appData.animateDragging) {
5713 /* Undo animation damage if needed */
5714 DrawPosition(FALSE, NULL);
5718 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
5720 // char * hint = lastHint;
5721 FrontEndProgramStats stats;
5723 stats.which = cps == &first ? 0 : 1;
5724 stats.depth = cpstats->depth;
5725 stats.nodes = cpstats->nodes;
5726 stats.score = cpstats->score;
5727 stats.time = cpstats->time;
5728 stats.pv = cpstats->movelist;
5729 stats.hint = lastHint;
5730 stats.an_move_index = 0;
5731 stats.an_move_count = 0;
5733 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
5734 stats.hint = cpstats->move_name;
5735 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
5736 stats.an_move_count = cpstats->nr_moves;
5739 SetProgramStats( &stats );
5742 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
5743 { // [HGM] book: this routine intercepts moves to simulate book replies
5744 char *bookHit = NULL;
5746 //first determine if the incoming move brings opponent into his book
5747 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
5748 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
5749 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
5750 if(bookHit != NULL && !cps->bookSuspend) {
5751 // make sure opponent is not going to reply after receiving move to book position
5752 SendToProgram("force\n", cps);
5753 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
5755 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
5756 // now arrange restart after book miss
5758 // after a book hit we never send 'go', and the code after the call to this routine
5759 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
5761 if (cps->useUsermove) sprintf(buf, "usermove "); // sorry, no SAN yet :(
5762 sprintf(buf, "%s\n", bookHit); // force book move into program supposed to play it
5763 SendToProgram(buf, cps);
5764 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
5765 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
5766 SendToProgram("go\n", cps);
5767 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
5768 } else { // 'go' might be sent based on 'firstMove' after this routine returns
5769 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
5770 SendToProgram("go\n", cps);
5771 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
5773 return bookHit; // notify caller of hit, so it can take action to send move to opponent
5777 ChessProgramState *savedState;
5778 void DeferredBookMove(void)
5780 if(savedState->lastPing != savedState->lastPong)
5781 ScheduleDelayedEvent(DeferredBookMove, 10);
5783 HandleMachineMove(savedMessage, savedState);
5787 HandleMachineMove(message, cps)
5789 ChessProgramState *cps;
5791 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
5792 char realname[MSG_SIZ];
5793 int fromX, fromY, toX, toY;
5800 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
5802 * Kludge to ignore BEL characters
5804 while (*message == '\007') message++;
5807 * [HGM] engine debug message: ignore lines starting with '#' character
5809 if(cps->debug && *message == '#') return;
5812 * Look for book output
5814 if (cps == &first && bookRequested) {
5815 if (message[0] == '\t' || message[0] == ' ') {
5816 /* Part of the book output is here; append it */
5817 strcat(bookOutput, message);
5818 strcat(bookOutput, " \n");
5820 } else if (bookOutput[0] != NULLCHAR) {
5821 /* All of book output has arrived; display it */
5822 char *p = bookOutput;
5823 while (*p != NULLCHAR) {
5824 if (*p == '\t') *p = ' ';
5827 DisplayInformation(bookOutput);
5828 bookRequested = FALSE;
5829 /* Fall through to parse the current output */
5834 * Look for machine move.
5836 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
5837 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
5839 /* This method is only useful on engines that support ping */
5840 if (cps->lastPing != cps->lastPong) {
5841 if (gameMode == BeginningOfGame) {
5842 /* Extra move from before last new; ignore */
5843 if (appData.debugMode) {
5844 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
5847 if (appData.debugMode) {
5848 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
5849 cps->which, gameMode);
5852 SendToProgram("undo\n", cps);
5858 case BeginningOfGame:
5859 /* Extra move from before last reset; ignore */
5860 if (appData.debugMode) {
5861 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
5868 /* Extra move after we tried to stop. The mode test is
5869 not a reliable way of detecting this problem, but it's
5870 the best we can do on engines that don't support ping.
5872 if (appData.debugMode) {
5873 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
5874 cps->which, gameMode);
5876 SendToProgram("undo\n", cps);
5879 case MachinePlaysWhite:
5880 case IcsPlayingWhite:
5881 machineWhite = TRUE;
5884 case MachinePlaysBlack:
5885 case IcsPlayingBlack:
5886 machineWhite = FALSE;
5889 case TwoMachinesPlay:
5890 machineWhite = (cps->twoMachinesColor[0] == 'w');
5893 if (WhiteOnMove(forwardMostMove) != machineWhite) {
5894 if (appData.debugMode) {
5896 "Ignoring move out of turn by %s, gameMode %d"
5897 ", forwardMost %d\n",
5898 cps->which, gameMode, forwardMostMove);
5903 if (appData.debugMode) { int f = forwardMostMove;
5904 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
5905 castlingRights[f][0],castlingRights[f][1],castlingRights[f][2],castlingRights[f][3],castlingRights[f][4],castlingRights[f][5]);
5907 if(cps->alphaRank) AlphaRank(machineMove, 4);
5908 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
5909 &fromX, &fromY, &toX, &toY, &promoChar)) {
5910 /* Machine move could not be parsed; ignore it. */
5911 sprintf(buf1, _("Illegal move \"%s\" from %s machine"),
5912 machineMove, cps->which);
5913 DisplayError(buf1, 0);
5914 sprintf(buf1, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
5915 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
5916 if (gameMode == TwoMachinesPlay) {
5917 GameEnds(machineWhite ? BlackWins : WhiteWins,
5923 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
5924 /* So we have to redo legality test with true e.p. status here, */
5925 /* to make sure an illegal e.p. capture does not slip through, */
5926 /* to cause a forfeit on a justified illegal-move complaint */
5927 /* of the opponent. */
5928 if( gameMode==TwoMachinesPlay && appData.testLegality
5929 && fromY != DROP_RANK /* [HGM] temporary; should still add legality test for drops */
5932 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
5933 epStatus[forwardMostMove], castlingRights[forwardMostMove],
5934 fromY, fromX, toY, toX, promoChar);
5935 if (appData.debugMode) {
5937 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
5938 castlingRights[forwardMostMove][i], castlingRank[i]);
5939 fprintf(debugFP, "castling rights\n");
5941 if(moveType == IllegalMove) {
5942 sprintf(buf1, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
5943 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
5944 GameEnds(machineWhite ? BlackWins : WhiteWins,
5947 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
5948 /* [HGM] Kludge to handle engines that send FRC-style castling
5949 when they shouldn't (like TSCP-Gothic) */
5951 case WhiteASideCastleFR:
5952 case BlackASideCastleFR:
5954 currentMoveString[2]++;
5956 case WhiteHSideCastleFR:
5957 case BlackHSideCastleFR:
5959 currentMoveString[2]--;
5961 default: ; // nothing to do, but suppresses warning of pedantic compilers
5964 hintRequested = FALSE;
5965 lastHint[0] = NULLCHAR;
5966 bookRequested = FALSE;
5967 /* Program may be pondering now */
5968 cps->maybeThinking = TRUE;
5969 if (cps->sendTime == 2) cps->sendTime = 1;
5970 if (cps->offeredDraw) cps->offeredDraw--;
5973 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
5975 SendMoveToICS(moveType, fromX, fromY, toX, toY);
5977 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
5978 char buf[3*MSG_SIZ];
5980 sprintf(buf, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
5981 programStats.score / 100.,
5983 programStats.time / 100.,
5984 (unsigned int)programStats.nodes,
5985 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
5986 programStats.movelist);
5988 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
5992 /* currentMoveString is set as a side-effect of ParseOneMove */
5993 strcpy(machineMove, currentMoveString);
5994 strcat(machineMove, "\n");
5995 strcpy(moveList[forwardMostMove], machineMove);
5997 /* [AS] Save move info and clear stats for next move */
5998 pvInfoList[ forwardMostMove ].score = programStats.score;
5999 pvInfoList[ forwardMostMove ].depth = programStats.depth;
6000 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
6001 ClearProgramStats();
6002 thinkOutput[0] = NULLCHAR;
6003 hiddenThinkOutputState = 0;
6005 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
6007 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
6008 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
6011 while( count < adjudicateLossPlies ) {
6012 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
6015 score = -score; /* Flip score for winning side */
6018 if( score > adjudicateLossThreshold ) {
6025 if( count >= adjudicateLossPlies ) {
6026 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6028 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6029 "Xboard adjudication",
6036 if( gameMode == TwoMachinesPlay ) {
6037 // [HGM] some adjudications useful with buggy engines
6038 int k, count = 0, epFile = epStatus[forwardMostMove]; static int bare = 1;
6039 if(gameInfo.holdingsSize == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6042 if( appData.testLegality )
6043 { /* [HGM] Some more adjudications for obstinate engines */
6044 int NrWN=0, NrBN=0, NrWB=0, NrBB=0, NrWR=0, NrBR=0,
6045 NrWQ=0, NrBQ=0, NrW=0, NrK=0, bishopsColor = 0,
6046 NrPieces=0, NrPawns=0, PawnAdvance=0, i, j;
6047 static int moveCount = 6;
6049 char *reason = NULL;
6051 /* Count what is on board. */
6052 for(i=0; i<BOARD_HEIGHT; i++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
6053 { ChessSquare p = boards[forwardMostMove][i][j];
6057 { /* count B,N,R and other of each side */
6060 NrK++; break; // [HGM] atomic: count Kings
6064 case WhiteFerz: // [HGM] shatranj: kludge to mke it work in shatranj
6065 bishopsColor |= 1 << ((i^j)&1);
6070 case BlackFerz: // [HGM] shatranj: kludge to mke it work in shatranj
6071 bishopsColor |= 1 << ((i^j)&1);
6086 PawnAdvance += m; NrPawns++;
6088 NrPieces += (p != EmptySquare);
6089 NrW += ((int)p < (int)BlackPawn);
6090 if(gameInfo.variant == VariantXiangqi &&
6091 (p == WhiteFerz || p == WhiteAlfil || p == BlackFerz || p == BlackAlfil)) {
6092 NrPieces--; // [HGM] XQ: do not count purely defensive pieces
6093 NrW -= ((int)p < (int)BlackPawn);
6097 /* Some material-based adjudications that have to be made before stalemate test */
6098 if(gameInfo.variant == VariantAtomic && NrK < 2) {
6099 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
6100 epStatus[forwardMostMove] = EP_CHECKMATE; // make claimable as if stm is checkmated
6101 if(appData.checkMates) {
6102 SendMoveToProgram(forwardMostMove-1, cps->other); // make sure opponent gets move
6103 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6104 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
6105 "Xboard adjudication: King destroyed", GE_XBOARD );
6110 /* Bare King in Shatranj (loses) or Losers (wins) */
6111 if( NrW == 1 || NrPieces - NrW == 1) {
6112 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
6113 epStatus[forwardMostMove] = EP_WINS; // mark as win, so it becomes claimable
6114 if(appData.checkMates) {
6115 SendMoveToProgram(forwardMostMove-1, cps->other); // make sure opponent gets to see move
6116 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6117 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6118 "Xboard adjudication: Bare king", GE_XBOARD );
6122 if( gameInfo.variant == VariantShatranj && --bare < 0)
6124 epStatus[forwardMostMove] = EP_WINS; // make claimable as win for stm
6125 if(appData.checkMates) {
6126 /* but only adjudicate if adjudication enabled */
6127 SendMoveToProgram(forwardMostMove-1, cps->other); // make sure opponent gets move
6128 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6129 GameEnds( NrW > 1 ? WhiteWins : NrPieces - NrW > 1 ? BlackWins : GameIsDrawn,
6130 "Xboard adjudication: Bare king", GE_XBOARD );
6137 // don't wait for engine to announce game end if we can judge ourselves
6138 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove), epFile,
6139 castlingRights[forwardMostMove]) ) {
6141 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
6142 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
6143 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
6144 if(MateTest(boards[i], PosFlags(i), epStatus[i], castlingRights[i]) == MT_CHECK)
6147 reason = "Xboard adjudication: 3rd check";
6148 epStatus[forwardMostMove] = EP_CHECKMATE;
6158 reason = "Xboard adjudication: Stalemate";
6159 if(epStatus[forwardMostMove] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
6160 epStatus[forwardMostMove] = EP_STALEMATE; // default result for stalemate is draw
6161 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
6162 epStatus[forwardMostMove] = EP_WINS; // in these variants stalemated is always a win
6163 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
6164 epStatus[forwardMostMove] = NrW == NrPieces-NrW ? EP_STALEMATE :
6165 ((NrW < NrPieces-NrW) != WhiteOnMove(forwardMostMove) ?
6166 EP_CHECKMATE : EP_WINS);
6167 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
6168 epStatus[forwardMostMove] = EP_CHECKMATE; // and in these variants being stalemated loses
6172 reason = "Xboard adjudication: Checkmate";
6173 epStatus[forwardMostMove] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
6177 switch(i = epStatus[forwardMostMove]) {
6179 result = GameIsDrawn; break;
6181 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
6183 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
6185 result = (ChessMove) 0;
6187 if(appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
6188 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
6189 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6190 GameEnds( result, reason, GE_XBOARD );
6194 /* Next absolutely insufficient mating material. */
6195 if( NrPieces == 2 || gameInfo.variant != VariantXiangqi &&
6196 gameInfo.variant != VariantShatranj && // [HGM] baring will remain possible
6197 (NrPieces == 3 && NrWN+NrBN+NrWB+NrBB == 1 ||
6198 NrPieces == NrBB+NrWB+2 && bishopsColor != 3)) // [HGM] all Bishops (Ferz!) same color
6199 { /* KBK, KNK, KK of KBKB with like Bishops */
6201 /* always flag draws, for judging claims */
6202 epStatus[forwardMostMove] = EP_INSUF_DRAW;
6204 if(appData.materialDraws) {
6205 /* but only adjudicate them if adjudication enabled */
6206 SendToProgram("force\n", cps->other); // suppress reply
6207 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see last move */
6208 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6209 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
6214 /* Then some trivial draws (only adjudicate, cannot be claimed) */
6216 ( NrWR == 1 && NrBR == 1 /* KRKR */
6217 || NrWQ==1 && NrBQ==1 /* KQKQ */
6218 || NrWN==2 || NrBN==2 /* KNNK */
6219 || NrWN+NrWB == 1 && NrBN+NrBB == 1 /* KBKN, KBKB, KNKN */
6221 if(--moveCount < 0 && appData.trivialDraws)
6222 { /* if the first 3 moves do not show a tactical win, declare draw */
6223 SendToProgram("force\n", cps->other); // suppress reply
6224 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
6225 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6226 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
6229 } else moveCount = 6;
6233 /* Check for rep-draws */
6235 for(k = forwardMostMove-2;
6236 k>=backwardMostMove && k>=forwardMostMove-100 &&
6237 epStatus[k] < EP_UNKNOWN &&
6238 epStatus[k+2] <= EP_NONE && epStatus[k+1] <= EP_NONE;
6241 if(CompareBoards(boards[k], boards[forwardMostMove])) {
6242 /* compare castling rights */
6243 if( castlingRights[forwardMostMove][2] != castlingRights[k][2] &&
6244 (castlingRights[k][0] >= 0 || castlingRights[k][1] >= 0) )
6245 rights++; /* King lost rights, while rook still had them */
6246 if( castlingRights[forwardMostMove][2] >= 0 ) { /* king has rights */
6247 if( castlingRights[forwardMostMove][0] != castlingRights[k][0] ||
6248 castlingRights[forwardMostMove][1] != castlingRights[k][1] )
6249 rights++; /* but at least one rook lost them */
6251 if( castlingRights[forwardMostMove][5] != castlingRights[k][5] &&
6252 (castlingRights[k][3] >= 0 || castlingRights[k][4] >= 0) )
6254 if( castlingRights[forwardMostMove][5] >= 0 ) {
6255 if( castlingRights[forwardMostMove][3] != castlingRights[k][3] ||
6256 castlingRights[forwardMostMove][4] != castlingRights[k][4] )
6259 if( rights == 0 && ++count > appData.drawRepeats-2
6260 && appData.drawRepeats > 1) {
6261 /* adjudicate after user-specified nr of repeats */
6262 SendToProgram("force\n", cps->other); // suppress reply
6263 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
6264 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6265 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
6266 // [HGM] xiangqi: check for forbidden perpetuals
6267 int m, ourPerpetual = 1, hisPerpetual = 1;
6268 for(m=forwardMostMove; m>k; m-=2) {
6269 if(MateTest(boards[m], PosFlags(m),
6270 EP_NONE, castlingRights[m]) != MT_CHECK)
6271 ourPerpetual = 0; // the current mover did not always check
6272 if(MateTest(boards[m-1], PosFlags(m-1),
6273 EP_NONE, castlingRights[m-1]) != MT_CHECK)
6274 hisPerpetual = 0; // the opponent did not always check
6276 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
6277 ourPerpetual, hisPerpetual);
6278 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
6279 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6280 "Xboard adjudication: perpetual checking", GE_XBOARD );
6283 if(hisPerpetual && !ourPerpetual) // he is checking us, but did not repeat yet
6284 break; // (or we would have caught him before). Abort repetition-checking loop.
6285 // Now check for perpetual chases
6286 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
6287 hisPerpetual = PerpetualChase(k, forwardMostMove);
6288 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
6289 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
6290 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6291 "Xboard adjudication: perpetual chasing", GE_XBOARD );
6294 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
6295 break; // Abort repetition-checking loop.
6297 // if neither of us is checking or chasing all the time, or both are, it is draw
6299 GameEnds( GameIsDrawn, "Xboard adjudication: repetition draw", GE_XBOARD );
6302 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
6303 epStatus[forwardMostMove] = EP_REP_DRAW;
6307 /* Now we test for 50-move draws. Determine ply count */
6308 count = forwardMostMove;
6309 /* look for last irreversble move */
6310 while( epStatus[count] <= EP_NONE && count > backwardMostMove )
6312 /* if we hit starting position, add initial plies */
6313 if( count == backwardMostMove )
6314 count -= initialRulePlies;
6315 count = forwardMostMove - count;
6317 epStatus[forwardMostMove] = EP_RULE_DRAW;
6318 /* this is used to judge if draw claims are legal */
6319 if(appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
6320 SendToProgram("force\n", cps->other); // suppress reply
6321 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
6322 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6323 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
6327 /* if draw offer is pending, treat it as a draw claim
6328 * when draw condition present, to allow engines a way to
6329 * claim draws before making their move to avoid a race
6330 * condition occurring after their move
6332 if( cps->other->offeredDraw || cps->offeredDraw ) {
6334 if(epStatus[forwardMostMove] == EP_RULE_DRAW)
6335 p = "Draw claim: 50-move rule";
6336 if(epStatus[forwardMostMove] == EP_REP_DRAW)
6337 p = "Draw claim: 3-fold repetition";
6338 if(epStatus[forwardMostMove] == EP_INSUF_DRAW)
6339 p = "Draw claim: insufficient mating material";
6341 SendToProgram("force\n", cps->other); // suppress reply
6342 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
6343 GameEnds( GameIsDrawn, p, GE_XBOARD );
6344 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6350 if( appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
6351 SendToProgram("force\n", cps->other); // suppress reply
6352 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
6353 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6355 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
6362 if (gameMode == TwoMachinesPlay) {
6363 /* [HGM] relaying draw offers moved to after reception of move */
6364 /* and interpreting offer as claim if it brings draw condition */
6365 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
6366 SendToProgram("draw\n", cps->other);
6368 if (cps->other->sendTime) {
6369 SendTimeRemaining(cps->other,
6370 cps->other->twoMachinesColor[0] == 'w');
6372 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
6373 if (firstMove && !bookHit) {
6375 if (cps->other->useColors) {
6376 SendToProgram(cps->other->twoMachinesColor, cps->other);
6378 SendToProgram("go\n", cps->other);
6380 cps->other->maybeThinking = TRUE;
6383 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6385 if (!pausing && appData.ringBellAfterMoves) {
6390 * Reenable menu items that were disabled while
6391 * machine was thinking
6393 if (gameMode != TwoMachinesPlay)
6394 SetUserThinkingEnables();
6396 // [HGM] book: after book hit opponent has received move and is now in force mode
6397 // force the book reply into it, and then fake that it outputted this move by jumping
6398 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
6400 static char bookMove[MSG_SIZ]; // a bit generous?
6402 strcpy(bookMove, "move ");
6403 strcat(bookMove, bookHit);
6406 programStats.nodes = programStats.depth = programStats.time =
6407 programStats.score = programStats.got_only_move = 0;
6408 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6410 if(cps->lastPing != cps->lastPong) {
6411 savedMessage = message; // args for deferred call
6413 ScheduleDelayedEvent(DeferredBookMove, 10);
6422 /* Set special modes for chess engines. Later something general
6423 * could be added here; for now there is just one kludge feature,
6424 * needed because Crafty 15.10 and earlier don't ignore SIGINT
6425 * when "xboard" is given as an interactive command.
6427 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
6428 cps->useSigint = FALSE;
6429 cps->useSigterm = FALSE;
6431 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
6432 ParseFeatures(message+8, cps);
6433 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
6436 /* [HGM] Allow engine to set up a position. Don't ask me why one would
6437 * want this, I was asked to put it in, and obliged.
6439 if (!strncmp(message, "setboard ", 9)) {
6440 Board initial_position; int i;
6442 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
6444 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
6445 DisplayError(_("Bad FEN received from engine"), 0);
6449 CopyBoard(boards[0], initial_position);
6450 initialRulePlies = FENrulePlies;
6451 epStatus[0] = FENepStatus;
6452 for( i=0; i<nrCastlingRights; i++ )
6453 castlingRights[0][i] = FENcastlingRights[i];
6454 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
6455 else gameMode = MachinePlaysBlack;
6456 DrawPosition(FALSE, boards[currentMove]);
6462 * Look for communication commands
6464 if (!strncmp(message, "telluser ", 9)) {
6465 DisplayNote(message + 9);
6468 if (!strncmp(message, "tellusererror ", 14)) {
6469 DisplayError(message + 14, 0);
6472 if (!strncmp(message, "tellopponent ", 13)) {
6473 if (appData.icsActive) {
6475 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
6479 DisplayNote(message + 13);
6483 if (!strncmp(message, "tellothers ", 11)) {
6484 if (appData.icsActive) {
6486 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
6492 if (!strncmp(message, "tellall ", 8)) {
6493 if (appData.icsActive) {
6495 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
6499 DisplayNote(message + 8);
6503 if (strncmp(message, "warning", 7) == 0) {
6504 /* Undocumented feature, use tellusererror in new code */
6505 DisplayError(message, 0);
6508 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
6509 strcpy(realname, cps->tidy);
6510 strcat(realname, " query");
6511 AskQuestion(realname, buf2, buf1, cps->pr);
6514 /* Commands from the engine directly to ICS. We don't allow these to be
6515 * sent until we are logged on. Crafty kibitzes have been known to
6516 * interfere with the login process.
6519 if (!strncmp(message, "tellics ", 8)) {
6520 SendToICS(message + 8);
6524 if (!strncmp(message, "tellicsnoalias ", 15)) {
6525 SendToICS(ics_prefix);
6526 SendToICS(message + 15);
6530 /* The following are for backward compatibility only */
6531 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
6532 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
6533 SendToICS(ics_prefix);
6539 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
6543 * If the move is illegal, cancel it and redraw the board.
6544 * Also deal with other error cases. Matching is rather loose
6545 * here to accommodate engines written before the spec.
6547 if (strncmp(message + 1, "llegal move", 11) == 0 ||
6548 strncmp(message, "Error", 5) == 0) {
6549 if (StrStr(message, "name") ||
6550 StrStr(message, "rating") || StrStr(message, "?") ||
6551 StrStr(message, "result") || StrStr(message, "board") ||
6552 StrStr(message, "bk") || StrStr(message, "computer") ||
6553 StrStr(message, "variant") || StrStr(message, "hint") ||
6554 StrStr(message, "random") || StrStr(message, "depth") ||
6555 StrStr(message, "accepted")) {
6558 if (StrStr(message, "protover")) {
6559 /* Program is responding to input, so it's apparently done
6560 initializing, and this error message indicates it is
6561 protocol version 1. So we don't need to wait any longer
6562 for it to initialize and send feature commands. */
6563 FeatureDone(cps, 1);
6564 cps->protocolVersion = 1;
6567 cps->maybeThinking = FALSE;
6569 if (StrStr(message, "draw")) {
6570 /* Program doesn't have "draw" command */
6571 cps->sendDrawOffers = 0;
6574 if (cps->sendTime != 1 &&
6575 (StrStr(message, "time") || StrStr(message, "otim"))) {
6576 /* Program apparently doesn't have "time" or "otim" command */
6580 if (StrStr(message, "analyze")) {
6581 cps->analysisSupport = FALSE;
6582 cps->analyzing = FALSE;
6584 sprintf(buf2, _("%s does not support analysis"), cps->tidy);
6585 DisplayError(buf2, 0);
6588 if (StrStr(message, "(no matching move)st")) {
6589 /* Special kludge for GNU Chess 4 only */
6590 cps->stKludge = TRUE;
6591 SendTimeControl(cps, movesPerSession, timeControl,
6592 timeIncrement, appData.searchDepth,
6596 if (StrStr(message, "(no matching move)sd")) {
6597 /* Special kludge for GNU Chess 4 only */
6598 cps->sdKludge = TRUE;
6599 SendTimeControl(cps, movesPerSession, timeControl,
6600 timeIncrement, appData.searchDepth,
6604 if (!StrStr(message, "llegal")) {
6607 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
6608 gameMode == IcsIdle) return;
6609 if (forwardMostMove <= backwardMostMove) return;
6610 if (pausing) PauseEvent();
6611 if(appData.forceIllegal) {
6612 // [HGM] illegal: machine refused move; force position after move into it
6613 SendToProgram("force\n", cps);
6614 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
6615 // we have a real problem now, as SendBoard will use the a2a3 kludge
6616 // when black is to move, while there might be nothing on a2 or black
6617 // might already have the move. So send the board as if white has the move.
6618 // But first we must change the stm of the engine, as it refused the last move
6619 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
6620 if(WhiteOnMove(forwardMostMove)) {
6621 SendToProgram("a7a6\n", cps); // for the engine black still had the move
6622 SendBoard(cps, forwardMostMove); // kludgeless board
6624 SendToProgram("a2a3\n", cps); // for the engine white still had the move
6625 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
6626 SendBoard(cps, forwardMostMove+1); // kludgeless board
6628 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
6629 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
6630 gameMode == TwoMachinesPlay)
6631 SendToProgram("go\n", cps);
6634 if (gameMode == PlayFromGameFile) {
6635 /* Stop reading this game file */
6636 gameMode = EditGame;
6639 currentMove = --forwardMostMove;
6640 DisplayMove(currentMove-1); /* before DisplayMoveError */
6642 DisplayBothClocks();
6643 sprintf(buf1, _("Illegal move \"%s\" (rejected by %s chess program)"),
6644 parseList[currentMove], cps->which);
6645 DisplayMoveError(buf1);
6646 DrawPosition(FALSE, boards[currentMove]);
6648 /* [HGM] illegal-move claim should forfeit game when Xboard */
6649 /* only passes fully legal moves */
6650 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
6651 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
6652 "False illegal-move claim", GE_XBOARD );
6656 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
6657 /* Program has a broken "time" command that
6658 outputs a string not ending in newline.
6664 * If chess program startup fails, exit with an error message.
6665 * Attempts to recover here are futile.
6667 if ((StrStr(message, "unknown host") != NULL)
6668 || (StrStr(message, "No remote directory") != NULL)
6669 || (StrStr(message, "not found") != NULL)
6670 || (StrStr(message, "No such file") != NULL)
6671 || (StrStr(message, "can't alloc") != NULL)
6672 || (StrStr(message, "Permission denied") != NULL)) {
6674 cps->maybeThinking = FALSE;
6675 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
6676 cps->which, cps->program, cps->host, message);
6677 RemoveInputSource(cps->isr);
6678 DisplayFatalError(buf1, 0, 1);
6683 * Look for hint output
6685 if (sscanf(message, "Hint: %s", buf1) == 1) {
6686 if (cps == &first && hintRequested) {
6687 hintRequested = FALSE;
6688 if (ParseOneMove(buf1, forwardMostMove, &moveType,
6689 &fromX, &fromY, &toX, &toY, &promoChar)) {
6690 (void) CoordsToAlgebraic(boards[forwardMostMove],
6691 PosFlags(forwardMostMove), EP_UNKNOWN,
6692 fromY, fromX, toY, toX, promoChar, buf1);
6693 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
6694 DisplayInformation(buf2);
6696 /* Hint move could not be parsed!? */
6697 snprintf(buf2, sizeof(buf2),
6698 _("Illegal hint move \"%s\"\nfrom %s chess program"),
6700 DisplayError(buf2, 0);
6703 strcpy(lastHint, buf1);
6709 * Ignore other messages if game is not in progress
6711 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
6712 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
6715 * look for win, lose, draw, or draw offer
6717 if (strncmp(message, "1-0", 3) == 0) {
6718 char *p, *q, *r = "";
6719 p = strchr(message, '{');
6727 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
6729 } else if (strncmp(message, "0-1", 3) == 0) {
6730 char *p, *q, *r = "";
6731 p = strchr(message, '{');
6739 /* Kludge for Arasan 4.1 bug */
6740 if (strcmp(r, "Black resigns") == 0) {
6741 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
6744 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
6746 } else if (strncmp(message, "1/2", 3) == 0) {
6747 char *p, *q, *r = "";
6748 p = strchr(message, '{');
6757 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
6760 } else if (strncmp(message, "White resign", 12) == 0) {
6761 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
6763 } else if (strncmp(message, "Black resign", 12) == 0) {
6764 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
6766 } else if (strncmp(message, "White matches", 13) == 0 ||
6767 strncmp(message, "Black matches", 13) == 0 ) {
6768 /* [HGM] ignore GNUShogi noises */
6770 } else if (strncmp(message, "White", 5) == 0 &&
6771 message[5] != '(' &&
6772 StrStr(message, "Black") == NULL) {
6773 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
6775 } else if (strncmp(message, "Black", 5) == 0 &&
6776 message[5] != '(') {
6777 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
6779 } else if (strcmp(message, "resign") == 0 ||
6780 strcmp(message, "computer resigns") == 0) {
6782 case MachinePlaysBlack:
6783 case IcsPlayingBlack:
6784 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
6786 case MachinePlaysWhite:
6787 case IcsPlayingWhite:
6788 GameEnds(BlackWins, "White resigns", GE_ENGINE);
6790 case TwoMachinesPlay:
6791 if (cps->twoMachinesColor[0] == 'w')
6792 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
6794 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
6801 } else if (strncmp(message, "opponent mates", 14) == 0) {
6803 case MachinePlaysBlack:
6804 case IcsPlayingBlack:
6805 GameEnds(WhiteWins, "White mates", GE_ENGINE);
6807 case MachinePlaysWhite:
6808 case IcsPlayingWhite:
6809 GameEnds(BlackWins, "Black mates", GE_ENGINE);
6811 case TwoMachinesPlay:
6812 if (cps->twoMachinesColor[0] == 'w')
6813 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
6815 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
6822 } else if (strncmp(message, "computer mates", 14) == 0) {
6824 case MachinePlaysBlack:
6825 case IcsPlayingBlack:
6826 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
6828 case MachinePlaysWhite:
6829 case IcsPlayingWhite:
6830 GameEnds(WhiteWins, "White mates", GE_ENGINE);
6832 case TwoMachinesPlay:
6833 if (cps->twoMachinesColor[0] == 'w')
6834 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
6836 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
6843 } else if (strncmp(message, "checkmate", 9) == 0) {
6844 if (WhiteOnMove(forwardMostMove)) {
6845 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
6847 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
6850 } else if (strstr(message, "Draw") != NULL ||
6851 strstr(message, "game is a draw") != NULL) {
6852 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
6854 } else if (strstr(message, "offer") != NULL &&
6855 strstr(message, "draw") != NULL) {
6857 if (appData.zippyPlay && first.initDone) {
6858 /* Relay offer to ICS */
6859 SendToICS(ics_prefix);
6860 SendToICS("draw\n");
6863 cps->offeredDraw = 2; /* valid until this engine moves twice */
6864 if (gameMode == TwoMachinesPlay) {
6865 if (cps->other->offeredDraw) {
6866 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
6867 /* [HGM] in two-machine mode we delay relaying draw offer */
6868 /* until after we also have move, to see if it is really claim */
6870 } else if (gameMode == MachinePlaysWhite ||
6871 gameMode == MachinePlaysBlack) {
6872 if (userOfferedDraw) {
6873 DisplayInformation(_("Machine accepts your draw offer"));
6874 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
6876 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
6883 * Look for thinking output
6885 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
6886 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
6888 int plylev, mvleft, mvtot, curscore, time;
6889 char mvname[MOVE_LEN];
6893 int prefixHint = FALSE;
6894 mvname[0] = NULLCHAR;
6897 case MachinePlaysBlack:
6898 case IcsPlayingBlack:
6899 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
6901 case MachinePlaysWhite:
6902 case IcsPlayingWhite:
6903 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
6908 case IcsObserving: /* [DM] icsEngineAnalyze */
6909 if (!appData.icsEngineAnalyze) ignore = TRUE;
6911 case TwoMachinesPlay:
6912 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
6923 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
6924 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
6926 if (plyext != ' ' && plyext != '\t') {
6930 /* [AS] Negate score if machine is playing black and reporting absolute scores */
6931 if( cps->scoreIsAbsolute &&
6932 ( gameMode == MachinePlaysBlack ||
6933 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
6934 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
6935 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
6936 !WhiteOnMove(currentMove)
6939 curscore = -curscore;
6943 programStats.depth = plylev;
6944 programStats.nodes = nodes;
6945 programStats.time = time;
6946 programStats.score = curscore;
6947 programStats.got_only_move = 0;
6949 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
6952 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
6953 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
6954 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
6955 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
6956 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
6957 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
6958 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
6959 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
6962 /* Buffer overflow protection */
6963 if (buf1[0] != NULLCHAR) {
6964 if (strlen(buf1) >= sizeof(programStats.movelist)
6965 && appData.debugMode) {
6967 "PV is too long; using the first %u bytes.\n",
6968 (unsigned) sizeof(programStats.movelist) - 1);
6971 safeStrCpy( programStats.movelist, buf1, sizeof(programStats.movelist) );
6973 sprintf(programStats.movelist, " no PV\n");
6976 if (programStats.seen_stat) {
6977 programStats.ok_to_send = 1;
6980 if (strchr(programStats.movelist, '(') != NULL) {
6981 programStats.line_is_book = 1;
6982 programStats.nr_moves = 0;
6983 programStats.moves_left = 0;
6985 programStats.line_is_book = 0;
6988 SendProgramStatsToFrontend( cps, &programStats );
6991 [AS] Protect the thinkOutput buffer from overflow... this
6992 is only useful if buf1 hasn't overflowed first!
6994 sprintf(thinkOutput, "[%d]%c%+.2f %s%s",
6996 (gameMode == TwoMachinesPlay ?
6997 ToUpper(cps->twoMachinesColor[0]) : ' '),
6998 ((double) curscore) / 100.0,
6999 prefixHint ? lastHint : "",
7000 prefixHint ? " " : "" );
7002 if( buf1[0] != NULLCHAR ) {
7003 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
7005 if( strlen(buf1) > max_len ) {
7006 if( appData.debugMode) {
7007 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
7009 buf1[max_len+1] = '\0';
7012 strcat( thinkOutput, buf1 );
7015 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
7016 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7017 DisplayMove(currentMove - 1);
7021 } else if ((p=StrStr(message, "(only move)")) != NULL) {
7022 /* crafty (9.25+) says "(only move) <move>"
7023 * if there is only 1 legal move
7025 sscanf(p, "(only move) %s", buf1);
7026 sprintf(thinkOutput, "%s (only move)", buf1);
7027 sprintf(programStats.movelist, "%s (only move)", buf1);
7028 programStats.depth = 1;
7029 programStats.nr_moves = 1;
7030 programStats.moves_left = 1;
7031 programStats.nodes = 1;
7032 programStats.time = 1;
7033 programStats.got_only_move = 1;
7035 /* Not really, but we also use this member to
7036 mean "line isn't going to change" (Crafty
7037 isn't searching, so stats won't change) */
7038 programStats.line_is_book = 1;
7040 SendProgramStatsToFrontend( cps, &programStats );
7042 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
7043 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7044 DisplayMove(currentMove - 1);
7047 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
7048 &time, &nodes, &plylev, &mvleft,
7049 &mvtot, mvname) >= 5) {
7050 /* The stat01: line is from Crafty (9.29+) in response
7051 to the "." command */
7052 programStats.seen_stat = 1;
7053 cps->maybeThinking = TRUE;
7055 if (programStats.got_only_move || !appData.periodicUpdates)
7058 programStats.depth = plylev;
7059 programStats.time = time;
7060 programStats.nodes = nodes;
7061 programStats.moves_left = mvleft;
7062 programStats.nr_moves = mvtot;
7063 strcpy(programStats.move_name, mvname);
7064 programStats.ok_to_send = 1;
7065 programStats.movelist[0] = '\0';
7067 SendProgramStatsToFrontend( cps, &programStats );
7071 } else if (strncmp(message,"++",2) == 0) {
7072 /* Crafty 9.29+ outputs this */
7073 programStats.got_fail = 2;
7076 } else if (strncmp(message,"--",2) == 0) {
7077 /* Crafty 9.29+ outputs this */
7078 programStats.got_fail = 1;
7081 } else if (thinkOutput[0] != NULLCHAR &&
7082 strncmp(message, " ", 4) == 0) {
7083 unsigned message_len;
7086 while (*p && *p == ' ') p++;
7088 message_len = strlen( p );
7090 /* [AS] Avoid buffer overflow */
7091 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
7092 strcat(thinkOutput, " ");
7093 strcat(thinkOutput, p);
7096 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
7097 strcat(programStats.movelist, " ");
7098 strcat(programStats.movelist, p);
7101 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
7102 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7103 DisplayMove(currentMove - 1);
7111 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7112 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
7114 ChessProgramStats cpstats;
7116 if (plyext != ' ' && plyext != '\t') {
7120 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7121 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
7122 curscore = -curscore;
7125 cpstats.depth = plylev;
7126 cpstats.nodes = nodes;
7127 cpstats.time = time;
7128 cpstats.score = curscore;
7129 cpstats.got_only_move = 0;
7130 cpstats.movelist[0] = '\0';
7132 if (buf1[0] != NULLCHAR) {
7133 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist) );
7136 cpstats.ok_to_send = 0;
7137 cpstats.line_is_book = 0;
7138 cpstats.nr_moves = 0;
7139 cpstats.moves_left = 0;
7141 SendProgramStatsToFrontend( cps, &cpstats );
7148 /* Parse a game score from the character string "game", and
7149 record it as the history of the current game. The game
7150 score is NOT assumed to start from the standard position.
7151 The display is not updated in any way.
7154 ParseGameHistory(game)
7158 int fromX, fromY, toX, toY, boardIndex;
7163 if (appData.debugMode)
7164 fprintf(debugFP, "Parsing game history: %s\n", game);
7166 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
7167 gameInfo.site = StrSave(appData.icsHost);
7168 gameInfo.date = PGNDate();
7169 gameInfo.round = StrSave("-");
7171 /* Parse out names of players */
7172 while (*game == ' ') game++;
7174 while (*game != ' ') *p++ = *game++;
7176 gameInfo.white = StrSave(buf);
7177 while (*game == ' ') game++;
7179 while (*game != ' ' && *game != '\n') *p++ = *game++;
7181 gameInfo.black = StrSave(buf);
7184 boardIndex = blackPlaysFirst ? 1 : 0;
7187 yyboardindex = boardIndex;
7188 moveType = (ChessMove) yylex();
7190 case IllegalMove: /* maybe suicide chess, etc. */
7191 if (appData.debugMode) {
7192 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
7193 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
7194 setbuf(debugFP, NULL);
7196 case WhitePromotionChancellor:
7197 case BlackPromotionChancellor:
7198 case WhitePromotionArchbishop:
7199 case BlackPromotionArchbishop:
7200 case WhitePromotionQueen:
7201 case BlackPromotionQueen:
7202 case WhitePromotionRook:
7203 case BlackPromotionRook:
7204 case WhitePromotionBishop:
7205 case BlackPromotionBishop:
7206 case WhitePromotionKnight:
7207 case BlackPromotionKnight:
7208 case WhitePromotionKing:
7209 case BlackPromotionKing:
7211 case WhiteCapturesEnPassant:
7212 case BlackCapturesEnPassant:
7213 case WhiteKingSideCastle:
7214 case WhiteQueenSideCastle:
7215 case BlackKingSideCastle:
7216 case BlackQueenSideCastle:
7217 case WhiteKingSideCastleWild:
7218 case WhiteQueenSideCastleWild:
7219 case BlackKingSideCastleWild:
7220 case BlackQueenSideCastleWild:
7222 case WhiteHSideCastleFR:
7223 case WhiteASideCastleFR:
7224 case BlackHSideCastleFR:
7225 case BlackASideCastleFR:
7227 fromX = currentMoveString[0] - AAA;
7228 fromY = currentMoveString[1] - ONE;
7229 toX = currentMoveString[2] - AAA;
7230 toY = currentMoveString[3] - ONE;
7231 promoChar = currentMoveString[4];
7235 fromX = moveType == WhiteDrop ?
7236 (int) CharToPiece(ToUpper(currentMoveString[0])) :
7237 (int) CharToPiece(ToLower(currentMoveString[0]));
7239 toX = currentMoveString[2] - AAA;
7240 toY = currentMoveString[3] - ONE;
7241 promoChar = NULLCHAR;
7245 sprintf(buf, _("Ambiguous move in ICS output: \"%s\""), yy_text);
7246 if (appData.debugMode) {
7247 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
7248 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
7249 setbuf(debugFP, NULL);
7251 DisplayError(buf, 0);
7253 case ImpossibleMove:
7255 sprintf(buf, _("Illegal move in ICS output: \"%s\""), yy_text);
7256 if (appData.debugMode) {
7257 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
7258 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
7259 setbuf(debugFP, NULL);
7261 DisplayError(buf, 0);
7263 case (ChessMove) 0: /* end of file */
7264 if (boardIndex < backwardMostMove) {
7265 /* Oops, gap. How did that happen? */
7266 DisplayError(_("Gap in move list"), 0);
7269 backwardMostMove = blackPlaysFirst ? 1 : 0;
7270 if (boardIndex > forwardMostMove) {
7271 forwardMostMove = boardIndex;
7275 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
7276 strcat(parseList[boardIndex-1], " ");
7277 strcat(parseList[boardIndex-1], yy_text);
7289 case GameUnfinished:
7290 if (gameMode == IcsExamining) {
7291 if (boardIndex < backwardMostMove) {
7292 /* Oops, gap. How did that happen? */
7295 backwardMostMove = blackPlaysFirst ? 1 : 0;
7298 gameInfo.result = moveType;
7299 p = strchr(yy_text, '{');
7300 if (p == NULL) p = strchr(yy_text, '(');
7303 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
7305 q = strchr(p, *p == '{' ? '}' : ')');
7306 if (q != NULL) *q = NULLCHAR;
7309 gameInfo.resultDetails = StrSave(p);
7312 if (boardIndex >= forwardMostMove &&
7313 !(gameMode == IcsObserving && ics_gamenum == -1)) {
7314 backwardMostMove = blackPlaysFirst ? 1 : 0;
7317 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
7318 EP_UNKNOWN, fromY, fromX, toY, toX, promoChar,
7319 parseList[boardIndex]);
7320 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
7321 {int i; for(i=0; i<BOARD_SIZE; i++) castlingRights[boardIndex+1][i] = castlingRights[boardIndex][i];}
7322 /* currentMoveString is set as a side-effect of yylex */
7323 strcpy(moveList[boardIndex], currentMoveString);
7324 strcat(moveList[boardIndex], "\n");
7326 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex],
7327 castlingRights[boardIndex], &epStatus[boardIndex]);
7328 switch (MateTest(boards[boardIndex], PosFlags(boardIndex),
7329 EP_UNKNOWN, castlingRights[boardIndex]) ) {
7335 if(gameInfo.variant != VariantShogi)
7336 strcat(parseList[boardIndex - 1], "+");
7340 strcat(parseList[boardIndex - 1], "#");
7347 /* Apply a move to the given board */
7349 ApplyMove(fromX, fromY, toX, toY, promoChar, board, castling, ep)
7350 int fromX, fromY, toX, toY;
7356 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
7358 /* [HGM] compute & store e.p. status and castling rights for new position */
7359 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
7362 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
7366 if( board[toY][toX] != EmptySquare )
7369 if( board[fromY][fromX] == WhitePawn ) {
7370 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
7373 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
7374 gameInfo.variant != VariantBerolina || toX < fromX)
7375 *ep = toX | berolina;
7376 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
7377 gameInfo.variant != VariantBerolina || toX > fromX)
7381 if( board[fromY][fromX] == BlackPawn ) {
7382 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
7384 if( toY-fromY== -2) {
7385 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
7386 gameInfo.variant != VariantBerolina || toX < fromX)
7387 *ep = toX | berolina;
7388 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
7389 gameInfo.variant != VariantBerolina || toX > fromX)
7394 for(i=0; i<nrCastlingRights; i++) {
7395 if(castling[i] == fromX && castlingRank[i] == fromY ||
7396 castling[i] == toX && castlingRank[i] == toY
7397 ) castling[i] = -1; // revoke for moved or captured piece
7402 /* [HGM] In Shatranj and Courier all promotions are to Ferz */
7403 if((gameInfo.variant==VariantShatranj || gameInfo.variant==VariantCourier)
7404 && promoChar != 0) promoChar = PieceToChar(WhiteFerz);
7406 if (fromX == toX && fromY == toY) return;
7408 if (fromY == DROP_RANK) {
7410 piece = board[toY][toX] = (ChessSquare) fromX;
7412 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
7413 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
7414 if(gameInfo.variant == VariantKnightmate)
7415 king += (int) WhiteUnicorn - (int) WhiteKing;
7417 /* Code added by Tord: */
7418 /* FRC castling assumed when king captures friendly rook. */
7419 if (board[fromY][fromX] == WhiteKing &&
7420 board[toY][toX] == WhiteRook) {
7421 board[fromY][fromX] = EmptySquare;
7422 board[toY][toX] = EmptySquare;
7424 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
7426 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
7428 } else if (board[fromY][fromX] == BlackKing &&
7429 board[toY][toX] == BlackRook) {
7430 board[fromY][fromX] = EmptySquare;
7431 board[toY][toX] = EmptySquare;
7433 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
7435 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
7437 /* End of code added by Tord */
7439 } else if (board[fromY][fromX] == king
7440 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
7441 && toY == fromY && toX > fromX+1) {
7442 board[fromY][fromX] = EmptySquare;
7443 board[toY][toX] = king;
7444 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
7445 board[fromY][BOARD_RGHT-1] = EmptySquare;
7446 } else if (board[fromY][fromX] == king
7447 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
7448 && toY == fromY && toX < fromX-1) {
7449 board[fromY][fromX] = EmptySquare;
7450 board[toY][toX] = king;
7451 board[toY][toX+1] = board[fromY][BOARD_LEFT];
7452 board[fromY][BOARD_LEFT] = EmptySquare;
7453 } else if (board[fromY][fromX] == WhitePawn
7454 && toY == BOARD_HEIGHT-1
7455 && gameInfo.variant != VariantXiangqi
7457 /* white pawn promotion */
7458 board[toY][toX] = CharToPiece(ToUpper(promoChar));
7459 if (board[toY][toX] == EmptySquare) {
7460 board[toY][toX] = WhiteQueen;
7462 if(gameInfo.variant==VariantBughouse ||
7463 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
7464 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
7465 board[fromY][fromX] = EmptySquare;
7466 } else if ((fromY == BOARD_HEIGHT-4)
7468 && gameInfo.variant != VariantXiangqi
7469 && gameInfo.variant != VariantBerolina
7470 && (board[fromY][fromX] == WhitePawn)
7471 && (board[toY][toX] == EmptySquare)) {
7472 board[fromY][fromX] = EmptySquare;
7473 board[toY][toX] = WhitePawn;
7474 captured = board[toY - 1][toX];
7475 board[toY - 1][toX] = EmptySquare;
7476 } else if ((fromY == BOARD_HEIGHT-4)
7478 && gameInfo.variant == VariantBerolina
7479 && (board[fromY][fromX] == WhitePawn)
7480 && (board[toY][toX] == EmptySquare)) {
7481 board[fromY][fromX] = EmptySquare;
7482 board[toY][toX] = WhitePawn;
7483 if(oldEP & EP_BEROLIN_A) {
7484 captured = board[fromY][fromX-1];
7485 board[fromY][fromX-1] = EmptySquare;
7486 }else{ captured = board[fromY][fromX+1];
7487 board[fromY][fromX+1] = EmptySquare;
7489 } else if (board[fromY][fromX] == king
7490 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
7491 && toY == fromY && toX > fromX+1) {
7492 board[fromY][fromX] = EmptySquare;
7493 board[toY][toX] = king;
7494 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
7495 board[fromY][BOARD_RGHT-1] = EmptySquare;
7496 } else if (board[fromY][fromX] == king
7497 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
7498 && toY == fromY && toX < fromX-1) {
7499 board[fromY][fromX] = EmptySquare;
7500 board[toY][toX] = king;
7501 board[toY][toX+1] = board[fromY][BOARD_LEFT];
7502 board[fromY][BOARD_LEFT] = EmptySquare;
7503 } else if (fromY == 7 && fromX == 3
7504 && board[fromY][fromX] == BlackKing
7505 && toY == 7 && toX == 5) {
7506 board[fromY][fromX] = EmptySquare;
7507 board[toY][toX] = BlackKing;
7508 board[fromY][7] = EmptySquare;
7509 board[toY][4] = BlackRook;
7510 } else if (fromY == 7 && fromX == 3
7511 && board[fromY][fromX] == BlackKing
7512 && toY == 7 && toX == 1) {
7513 board[fromY][fromX] = EmptySquare;
7514 board[toY][toX] = BlackKing;
7515 board[fromY][0] = EmptySquare;
7516 board[toY][2] = BlackRook;
7517 } else if (board[fromY][fromX] == BlackPawn
7519 && gameInfo.variant != VariantXiangqi
7521 /* black pawn promotion */
7522 board[0][toX] = CharToPiece(ToLower(promoChar));
7523 if (board[0][toX] == EmptySquare) {
7524 board[0][toX] = BlackQueen;
7526 if(gameInfo.variant==VariantBughouse ||
7527 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
7528 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
7529 board[fromY][fromX] = EmptySquare;
7530 } else if ((fromY == 3)
7532 && gameInfo.variant != VariantXiangqi
7533 && gameInfo.variant != VariantBerolina
7534 && (board[fromY][fromX] == BlackPawn)
7535 && (board[toY][toX] == EmptySquare)) {
7536 board[fromY][fromX] = EmptySquare;
7537 board[toY][toX] = BlackPawn;
7538 captured = board[toY + 1][toX];
7539 board[toY + 1][toX] = EmptySquare;
7540 } else if ((fromY == 3)
7542 && gameInfo.variant == VariantBerolina
7543 && (board[fromY][fromX] == BlackPawn)
7544 && (board[toY][toX] == EmptySquare)) {
7545 board[fromY][fromX] = EmptySquare;
7546 board[toY][toX] = BlackPawn;
7547 if(oldEP & EP_BEROLIN_A) {
7548 captured = board[fromY][fromX-1];
7549 board[fromY][fromX-1] = EmptySquare;
7550 }else{ captured = board[fromY][fromX+1];
7551 board[fromY][fromX+1] = EmptySquare;
7554 board[toY][toX] = board[fromY][fromX];
7555 board[fromY][fromX] = EmptySquare;
7558 /* [HGM] now we promote for Shogi, if needed */
7559 if(gameInfo.variant == VariantShogi && promoChar == 'q')
7560 board[toY][toX] = (ChessSquare) (PROMOTED piece);
7563 if (gameInfo.holdingsWidth != 0) {
7565 /* !!A lot more code needs to be written to support holdings */
7566 /* [HGM] OK, so I have written it. Holdings are stored in the */
7567 /* penultimate board files, so they are automaticlly stored */
7568 /* in the game history. */
7569 if (fromY == DROP_RANK) {
7570 /* Delete from holdings, by decreasing count */
7571 /* and erasing image if necessary */
7573 if(p < (int) BlackPawn) { /* white drop */
7574 p -= (int)WhitePawn;
7575 p = PieceToNumber((ChessSquare)p);
7576 if(p >= gameInfo.holdingsSize) p = 0;
7577 if(--board[p][BOARD_WIDTH-2] <= 0)
7578 board[p][BOARD_WIDTH-1] = EmptySquare;
7579 if((int)board[p][BOARD_WIDTH-2] < 0)
7580 board[p][BOARD_WIDTH-2] = 0;
7581 } else { /* black drop */
7582 p -= (int)BlackPawn;
7583 p = PieceToNumber((ChessSquare)p);
7584 if(p >= gameInfo.holdingsSize) p = 0;
7585 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
7586 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
7587 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
7588 board[BOARD_HEIGHT-1-p][1] = 0;
7591 if (captured != EmptySquare && gameInfo.holdingsSize > 0
7592 && gameInfo.variant != VariantBughouse ) {
7593 /* [HGM] holdings: Add to holdings, if holdings exist */
7594 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
7595 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
7596 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
7599 if (p >= (int) BlackPawn) {
7600 p -= (int)BlackPawn;
7601 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
7602 /* in Shogi restore piece to its original first */
7603 captured = (ChessSquare) (DEMOTED captured);
7606 p = PieceToNumber((ChessSquare)p);
7607 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
7608 board[p][BOARD_WIDTH-2]++;
7609 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
7611 p -= (int)WhitePawn;
7612 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
7613 captured = (ChessSquare) (DEMOTED captured);
7616 p = PieceToNumber((ChessSquare)p);
7617 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
7618 board[BOARD_HEIGHT-1-p][1]++;
7619 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
7622 } else if (gameInfo.variant == VariantAtomic) {
7623 if (captured != EmptySquare) {
7625 for (y = toY-1; y <= toY+1; y++) {
7626 for (x = toX-1; x <= toX+1; x++) {
7627 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
7628 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
7629 board[y][x] = EmptySquare;
7633 board[toY][toX] = EmptySquare;
7636 if(gameInfo.variant == VariantShogi && promoChar != NULLCHAR && promoChar != '=') {
7637 /* [HGM] Shogi promotions */
7638 board[toY][toX] = (ChessSquare) (PROMOTED piece);
7641 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
7642 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
7643 // [HGM] superchess: take promotion piece out of holdings
7644 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
7645 if((int)piece < (int)BlackPawn) { // determine stm from piece color
7646 if(!--board[k][BOARD_WIDTH-2])
7647 board[k][BOARD_WIDTH-1] = EmptySquare;
7649 if(!--board[BOARD_HEIGHT-1-k][1])
7650 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
7656 /* Updates forwardMostMove */
7658 MakeMove(fromX, fromY, toX, toY, promoChar)
7659 int fromX, fromY, toX, toY;
7662 // forwardMostMove++; // [HGM] bare: moved downstream
7664 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
7665 int timeLeft; static int lastLoadFlag=0; int king, piece;
7666 piece = boards[forwardMostMove][fromY][fromX];
7667 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
7668 if(gameInfo.variant == VariantKnightmate)
7669 king += (int) WhiteUnicorn - (int) WhiteKing;
7670 if(forwardMostMove == 0) {
7672 fprintf(serverMoves, "%s;", second.tidy);
7673 fprintf(serverMoves, "%s;", first.tidy);
7674 if(!blackPlaysFirst)
7675 fprintf(serverMoves, "%s;", second.tidy);
7676 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
7677 lastLoadFlag = loadFlag;
7679 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
7680 // print castling suffix
7681 if( toY == fromY && piece == king ) {
7683 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
7685 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
7688 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
7689 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
7690 boards[forwardMostMove][toY][toX] == EmptySquare
7692 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
7694 if(promoChar != NULLCHAR)
7695 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
7697 fprintf(serverMoves, "/%d/%d",
7698 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
7699 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
7700 else timeLeft = blackTimeRemaining/1000;
7701 fprintf(serverMoves, "/%d", timeLeft);
7703 fflush(serverMoves);
7706 if (forwardMostMove+1 >= MAX_MOVES) {
7707 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
7711 if (commentList[forwardMostMove+1] != NULL) {
7712 free(commentList[forwardMostMove+1]);
7713 commentList[forwardMostMove+1] = NULL;
7715 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7716 {int i; for(i=0; i<BOARD_SIZE; i++) castlingRights[forwardMostMove+1][i] = castlingRights[forwardMostMove][i];}
7717 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1],
7718 castlingRights[forwardMostMove+1], &epStatus[forwardMostMove+1]);
7719 forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
7720 SwitchClocks(); // uses forwardMostMove, so must be done after incrementing it !
7721 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
7722 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
7723 gameInfo.result = GameUnfinished;
7724 if (gameInfo.resultDetails != NULL) {
7725 free(gameInfo.resultDetails);
7726 gameInfo.resultDetails = NULL;
7728 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
7729 moveList[forwardMostMove - 1]);
7730 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
7731 PosFlags(forwardMostMove - 1), EP_UNKNOWN,
7732 fromY, fromX, toY, toX, promoChar,
7733 parseList[forwardMostMove - 1]);
7734 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7735 epStatus[forwardMostMove], /* [HGM] use true e.p. */
7736 castlingRights[forwardMostMove]) ) {
7742 if(gameInfo.variant != VariantShogi)
7743 strcat(parseList[forwardMostMove - 1], "+");
7747 strcat(parseList[forwardMostMove - 1], "#");
7750 if (appData.debugMode) {
7751 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
7756 /* Updates currentMove if not pausing */
7758 ShowMove(fromX, fromY, toX, toY)
7760 int instant = (gameMode == PlayFromGameFile) ?
7761 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
7762 if(appData.noGUI) return;
7763 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
7765 if (forwardMostMove == currentMove + 1) {
7766 AnimateMove(boards[forwardMostMove - 1],
7767 fromX, fromY, toX, toY);
7769 if (appData.highlightLastMove) {
7770 SetHighlights(fromX, fromY, toX, toY);
7773 currentMove = forwardMostMove;
7776 if (instant) return;
7778 DisplayMove(currentMove - 1);
7779 DrawPosition(FALSE, boards[currentMove]);
7780 DisplayBothClocks();
7781 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
7784 void SendEgtPath(ChessProgramState *cps)
7785 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
7786 char buf[MSG_SIZ], name[MSG_SIZ], *p;
7788 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
7791 char c, *q = name+1, *r, *s;
7793 name[0] = ','; // extract next format name from feature and copy with prefixed ','
7794 while(*p && *p != ',') *q++ = *p++;
7796 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
7797 strcmp(name, ",nalimov:") == 0 ) {
7798 // take nalimov path from the menu-changeable option first, if it is defined
7799 sprintf(buf, "egtpath nalimov %s\n", appData.defaultPathEGTB);
7800 SendToProgram(buf,cps); // send egtbpath command for nalimov
7802 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
7803 (s = StrStr(appData.egtFormats, name)) != NULL) {
7804 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
7805 s = r = StrStr(s, ":") + 1; // beginning of path info
7806 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
7807 c = *r; *r = 0; // temporarily null-terminate path info
7808 *--q = 0; // strip of trailig ':' from name
7809 sprintf(buf, "egtpath %s %s\n", name+1, s);
7811 SendToProgram(buf,cps); // send egtbpath command for this format
7813 if(*p == ',') p++; // read away comma to position for next format name
7818 InitChessProgram(cps, setup)
7819 ChessProgramState *cps;
7820 int setup; /* [HGM] needed to setup FRC opening position */
7822 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
7823 if (appData.noChessProgram) return;
7824 hintRequested = FALSE;
7825 bookRequested = FALSE;
7827 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
7828 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
7829 if(cps->memSize) { /* [HGM] memory */
7830 sprintf(buf, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
7831 SendToProgram(buf, cps);
7833 SendEgtPath(cps); /* [HGM] EGT */
7834 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
7835 sprintf(buf, "cores %d\n", appData.smpCores);
7836 SendToProgram(buf, cps);
7839 SendToProgram(cps->initString, cps);
7840 if (gameInfo.variant != VariantNormal &&
7841 gameInfo.variant != VariantLoadable
7842 /* [HGM] also send variant if board size non-standard */
7843 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
7845 char *v = VariantName(gameInfo.variant);
7846 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
7847 /* [HGM] in protocol 1 we have to assume all variants valid */
7848 sprintf(buf, _("Variant %s not supported by %s"), v, cps->tidy);
7849 DisplayFatalError(buf, 0, 1);
7853 /* [HGM] make prefix for non-standard board size. Awkward testing... */
7854 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
7855 if( gameInfo.variant == VariantXiangqi )
7856 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
7857 if( gameInfo.variant == VariantShogi )
7858 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
7859 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
7860 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
7861 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
7862 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
7863 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
7864 if( gameInfo.variant == VariantCourier )
7865 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
7866 if( gameInfo.variant == VariantSuper )
7867 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
7868 if( gameInfo.variant == VariantGreat )
7869 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
7872 sprintf(b, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
7873 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
7874 /* [HGM] varsize: try first if this defiant size variant is specifically known */
7875 if(StrStr(cps->variants, b) == NULL) {
7876 // specific sized variant not known, check if general sizing allowed
7877 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
7878 if(StrStr(cps->variants, "boardsize") == NULL) {
7879 sprintf(buf, "Board size %dx%d+%d not supported by %s",
7880 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
7881 DisplayFatalError(buf, 0, 1);
7884 /* [HGM] here we really should compare with the maximum supported board size */
7887 } else sprintf(b, "%s", VariantName(gameInfo.variant));
7888 sprintf(buf, "variant %s\n", b);
7889 SendToProgram(buf, cps);
7891 currentlyInitializedVariant = gameInfo.variant;
7893 /* [HGM] send opening position in FRC to first engine */
7895 SendToProgram("force\n", cps);
7897 /* engine is now in force mode! Set flag to wake it up after first move. */
7898 setboardSpoiledMachineBlack = 1;
7902 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
7903 SendToProgram(buf, cps);
7905 cps->maybeThinking = FALSE;
7906 cps->offeredDraw = 0;
7907 if (!appData.icsActive) {
7908 SendTimeControl(cps, movesPerSession, timeControl,
7909 timeIncrement, appData.searchDepth,
7912 if (appData.showThinking
7913 // [HGM] thinking: four options require thinking output to be sent
7914 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7916 SendToProgram("post\n", cps);
7918 SendToProgram("hard\n", cps);
7919 if (!appData.ponderNextMove) {
7920 /* Warning: "easy" is a toggle in GNU Chess, so don't send
7921 it without being sure what state we are in first. "hard"
7922 is not a toggle, so that one is OK.
7924 SendToProgram("easy\n", cps);
7927 sprintf(buf, "ping %d\n", ++cps->lastPing);
7928 SendToProgram(buf, cps);
7930 cps->initDone = TRUE;
7935 StartChessProgram(cps)
7936 ChessProgramState *cps;
7941 if (appData.noChessProgram) return;
7942 cps->initDone = FALSE;
7944 if (strcmp(cps->host, "localhost") == 0) {
7945 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
7946 } else if (*appData.remoteShell == NULLCHAR) {
7947 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
7949 if (*appData.remoteUser == NULLCHAR) {
7950 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
7953 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
7954 cps->host, appData.remoteUser, cps->program);
7956 err = StartChildProcess(buf, "", &cps->pr);
7960 sprintf(buf, _("Startup failure on '%s'"), cps->program);
7961 DisplayFatalError(buf, err, 1);
7967 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
7968 if (cps->protocolVersion > 1) {
7969 sprintf(buf, "xboard\nprotover %d\n", cps->protocolVersion);
7970 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
7971 cps->comboCnt = 0; // and values of combo boxes
7972 SendToProgram(buf, cps);
7974 SendToProgram("xboard\n", cps);
7980 TwoMachinesEventIfReady P((void))
7982 if (first.lastPing != first.lastPong) {
7983 DisplayMessage("", _("Waiting for first chess program"));
7984 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
7987 if (second.lastPing != second.lastPong) {
7988 DisplayMessage("", _("Waiting for second chess program"));
7989 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
7997 NextMatchGame P((void))
7999 int index; /* [HGM] autoinc: step load index during match */
8001 if (*appData.loadGameFile != NULLCHAR) {
8002 index = appData.loadGameIndex;
8003 if(index < 0) { // [HGM] autoinc
8004 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8005 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8007 LoadGameFromFile(appData.loadGameFile,
8009 appData.loadGameFile, FALSE);
8010 } else if (*appData.loadPositionFile != NULLCHAR) {
8011 index = appData.loadPositionIndex;
8012 if(index < 0) { // [HGM] autoinc
8013 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8014 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8016 LoadPositionFromFile(appData.loadPositionFile,
8018 appData.loadPositionFile);
8020 TwoMachinesEventIfReady();
8023 void UserAdjudicationEvent( int result )
8025 ChessMove gameResult = GameIsDrawn;
8028 gameResult = WhiteWins;
8030 else if( result < 0 ) {
8031 gameResult = BlackWins;
8034 if( gameMode == TwoMachinesPlay ) {
8035 GameEnds( gameResult, "User adjudication", GE_XBOARD );
8040 // [HGM] save: calculate checksum of game to make games easily identifiable
8041 int StringCheckSum(char *s)
8044 if(s==NULL) return 0;
8045 while(*s) i = i*259 + *s++;
8052 for(i=backwardMostMove; i<forwardMostMove; i++) {
8053 sum += pvInfoList[i].depth;
8054 sum += StringCheckSum(parseList[i]);
8055 sum += StringCheckSum(commentList[i]);
8058 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
8059 return sum + StringCheckSum(commentList[i]);
8060 } // end of save patch
8063 GameEnds(result, resultDetails, whosays)
8065 char *resultDetails;
8068 GameMode nextGameMode;
8072 if(endingGame) return; /* [HGM] crash: forbid recursion */
8075 if (appData.debugMode) {
8076 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
8077 result, resultDetails ? resultDetails : "(null)", whosays);
8080 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
8081 /* If we are playing on ICS, the server decides when the
8082 game is over, but the engine can offer to draw, claim
8086 if (appData.zippyPlay && first.initDone) {
8087 if (result == GameIsDrawn) {
8088 /* In case draw still needs to be claimed */
8089 SendToICS(ics_prefix);
8090 SendToICS("draw\n");
8091 } else if (StrCaseStr(resultDetails, "resign")) {
8092 SendToICS(ics_prefix);
8093 SendToICS("resign\n");
8097 endingGame = 0; /* [HGM] crash */
8101 /* If we're loading the game from a file, stop */
8102 if (whosays == GE_FILE) {
8103 (void) StopLoadGameTimer();
8107 /* Cancel draw offers */
8108 first.offeredDraw = second.offeredDraw = 0;
8110 /* If this is an ICS game, only ICS can really say it's done;
8111 if not, anyone can. */
8112 isIcsGame = (gameMode == IcsPlayingWhite ||
8113 gameMode == IcsPlayingBlack ||
8114 gameMode == IcsObserving ||
8115 gameMode == IcsExamining);
8117 if (!isIcsGame || whosays == GE_ICS) {
8118 /* OK -- not an ICS game, or ICS said it was done */
8120 if (!isIcsGame && !appData.noChessProgram)
8121 SetUserThinkingEnables();
8123 /* [HGM] if a machine claims the game end we verify this claim */
8124 if(gameMode == TwoMachinesPlay && appData.testClaims) {
8125 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
8127 ChessMove trueResult = (ChessMove) -1;
8129 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
8130 first.twoMachinesColor[0] :
8131 second.twoMachinesColor[0] ;
8133 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
8134 if(epStatus[forwardMostMove] == EP_CHECKMATE) {
8135 /* [HGM] verify: engine mate claims accepted if they were flagged */
8136 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
8138 if(epStatus[forwardMostMove] == EP_WINS) { // added code for games where being mated is a win
8139 /* [HGM] verify: engine mate claims accepted if they were flagged */
8140 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8142 if(epStatus[forwardMostMove] == EP_STALEMATE) { // only used to indicate draws now
8143 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
8146 // now verify win claims, but not in drop games, as we don't understand those yet
8147 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
8148 || gameInfo.variant == VariantGreat) &&
8149 (result == WhiteWins && claimer == 'w' ||
8150 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
8151 if (appData.debugMode) {
8152 fprintf(debugFP, "result=%d sp=%d move=%d\n",
8153 result, epStatus[forwardMostMove], forwardMostMove);
8155 if(result != trueResult) {
8156 sprintf(buf, "False win claim: '%s'", resultDetails);
8157 result = claimer == 'w' ? BlackWins : WhiteWins;
8158 resultDetails = buf;
8161 if( result == GameIsDrawn && epStatus[forwardMostMove] > EP_DRAWS
8162 && (forwardMostMove <= backwardMostMove ||
8163 epStatus[forwardMostMove-1] > EP_DRAWS ||
8164 (claimer=='b')==(forwardMostMove&1))
8166 /* [HGM] verify: draws that were not flagged are false claims */
8167 sprintf(buf, "False draw claim: '%s'", resultDetails);
8168 result = claimer == 'w' ? BlackWins : WhiteWins;
8169 resultDetails = buf;
8171 /* (Claiming a loss is accepted no questions asked!) */
8173 /* [HGM] bare: don't allow bare King to win */
8174 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8175 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
8176 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
8177 && result != GameIsDrawn)
8178 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
8179 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
8180 int p = (int)boards[forwardMostMove][i][j] - color;
8181 if(p >= 0 && p <= (int)WhiteKing) k++;
8183 if (appData.debugMode) {
8184 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
8185 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
8188 result = GameIsDrawn;
8189 sprintf(buf, "%s but bare king", resultDetails);
8190 resultDetails = buf;
8196 if(serverMoves != NULL && !loadFlag) { char c = '=';
8197 if(result==WhiteWins) c = '+';
8198 if(result==BlackWins) c = '-';
8199 if(resultDetails != NULL)
8200 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
8202 if (resultDetails != NULL) {
8203 gameInfo.result = result;
8204 gameInfo.resultDetails = StrSave(resultDetails);
8206 /* display last move only if game was not loaded from file */
8207 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
8208 DisplayMove(currentMove - 1);
8210 if (forwardMostMove != 0) {
8211 if (gameMode != PlayFromGameFile && gameMode != EditGame
8212 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
8214 if (*appData.saveGameFile != NULLCHAR) {
8215 SaveGameToFile(appData.saveGameFile, TRUE);
8216 } else if (appData.autoSaveGames) {
8219 if (*appData.savePositionFile != NULLCHAR) {
8220 SavePositionToFile(appData.savePositionFile);
8225 /* Tell program how game ended in case it is learning */
8226 /* [HGM] Moved this to after saving the PGN, just in case */
8227 /* engine died and we got here through time loss. In that */
8228 /* case we will get a fatal error writing the pipe, which */
8229 /* would otherwise lose us the PGN. */
8230 /* [HGM] crash: not needed anymore, but doesn't hurt; */
8231 /* output during GameEnds should never be fatal anymore */
8232 if (gameMode == MachinePlaysWhite ||
8233 gameMode == MachinePlaysBlack ||
8234 gameMode == TwoMachinesPlay ||
8235 gameMode == IcsPlayingWhite ||
8236 gameMode == IcsPlayingBlack ||
8237 gameMode == BeginningOfGame) {
8239 sprintf(buf, "result %s {%s}\n", PGNResult(result),
8241 if (first.pr != NoProc) {
8242 SendToProgram(buf, &first);
8244 if (second.pr != NoProc &&
8245 gameMode == TwoMachinesPlay) {
8246 SendToProgram(buf, &second);
8251 if (appData.icsActive) {
8252 if (appData.quietPlay &&
8253 (gameMode == IcsPlayingWhite ||
8254 gameMode == IcsPlayingBlack)) {
8255 SendToICS(ics_prefix);
8256 SendToICS("set shout 1\n");
8258 nextGameMode = IcsIdle;
8259 ics_user_moved = FALSE;
8260 /* clean up premove. It's ugly when the game has ended and the
8261 * premove highlights are still on the board.
8265 ClearPremoveHighlights();
8266 DrawPosition(FALSE, boards[currentMove]);
8268 if (whosays == GE_ICS) {
8271 if (gameMode == IcsPlayingWhite)
8273 else if(gameMode == IcsPlayingBlack)
8277 if (gameMode == IcsPlayingBlack)
8279 else if(gameMode == IcsPlayingWhite)
8286 PlayIcsUnfinishedSound();
8289 } else if (gameMode == EditGame ||
8290 gameMode == PlayFromGameFile ||
8291 gameMode == AnalyzeMode ||
8292 gameMode == AnalyzeFile) {
8293 nextGameMode = gameMode;
8295 nextGameMode = EndOfGame;
8300 nextGameMode = gameMode;
8303 if (appData.noChessProgram) {
8304 gameMode = nextGameMode;
8306 endingGame = 0; /* [HGM] crash */
8311 /* Put first chess program into idle state */
8312 if (first.pr != NoProc &&
8313 (gameMode == MachinePlaysWhite ||
8314 gameMode == MachinePlaysBlack ||
8315 gameMode == TwoMachinesPlay ||
8316 gameMode == IcsPlayingWhite ||
8317 gameMode == IcsPlayingBlack ||
8318 gameMode == BeginningOfGame)) {
8319 SendToProgram("force\n", &first);
8320 if (first.usePing) {
8322 sprintf(buf, "ping %d\n", ++first.lastPing);
8323 SendToProgram(buf, &first);
8326 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
8327 /* Kill off first chess program */
8328 if (first.isr != NULL)
8329 RemoveInputSource(first.isr);
8332 if (first.pr != NoProc) {
8334 DoSleep( appData.delayBeforeQuit );
8335 SendToProgram("quit\n", &first);
8336 DoSleep( appData.delayAfterQuit );
8337 DestroyChildProcess(first.pr, first.useSigterm);
8342 /* Put second chess program into idle state */
8343 if (second.pr != NoProc &&
8344 gameMode == TwoMachinesPlay) {
8345 SendToProgram("force\n", &second);
8346 if (second.usePing) {
8348 sprintf(buf, "ping %d\n", ++second.lastPing);
8349 SendToProgram(buf, &second);
8352 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
8353 /* Kill off second chess program */
8354 if (second.isr != NULL)
8355 RemoveInputSource(second.isr);
8358 if (second.pr != NoProc) {
8359 DoSleep( appData.delayBeforeQuit );
8360 SendToProgram("quit\n", &second);
8361 DoSleep( appData.delayAfterQuit );
8362 DestroyChildProcess(second.pr, second.useSigterm);
8367 if (matchMode && gameMode == TwoMachinesPlay) {
8370 if (first.twoMachinesColor[0] == 'w') {
8377 if (first.twoMachinesColor[0] == 'b') {
8386 if (matchGame < appData.matchGames) {
8388 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
8389 tmp = first.twoMachinesColor;
8390 first.twoMachinesColor = second.twoMachinesColor;
8391 second.twoMachinesColor = tmp;
8393 gameMode = nextGameMode;
8395 if(appData.matchPause>10000 || appData.matchPause<10)
8396 appData.matchPause = 10000; /* [HGM] make pause adjustable */
8397 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
8398 endingGame = 0; /* [HGM] crash */
8402 gameMode = nextGameMode;
8403 sprintf(buf, _("Match %s vs. %s: final score %d-%d-%d"),
8404 first.tidy, second.tidy,
8405 first.matchWins, second.matchWins,
8406 appData.matchGames - (first.matchWins + second.matchWins));
8407 DisplayFatalError(buf, 0, 0);
8410 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
8411 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
8413 gameMode = nextGameMode;
8415 endingGame = 0; /* [HGM] crash */
8418 /* Assumes program was just initialized (initString sent).
8419 Leaves program in force mode. */
8421 FeedMovesToProgram(cps, upto)
8422 ChessProgramState *cps;
8427 if (appData.debugMode)
8428 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
8429 startedFromSetupPosition ? "position and " : "",
8430 backwardMostMove, upto, cps->which);
8431 if(currentlyInitializedVariant != gameInfo.variant) { char buf[MSG_SIZ];
8432 // [HGM] variantswitch: make engine aware of new variant
8433 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
8434 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
8435 sprintf(buf, "variant %s\n", VariantName(gameInfo.variant));
8436 SendToProgram(buf, cps);
8437 currentlyInitializedVariant = gameInfo.variant;
8439 SendToProgram("force\n", cps);
8440 if (startedFromSetupPosition) {
8441 SendBoard(cps, backwardMostMove);
8442 if (appData.debugMode) {
8443 fprintf(debugFP, "feedMoves\n");
8446 for (i = backwardMostMove; i < upto; i++) {
8447 SendMoveToProgram(i, cps);
8453 ResurrectChessProgram()
8455 /* The chess program may have exited.
8456 If so, restart it and feed it all the moves made so far. */
8458 if (appData.noChessProgram || first.pr != NoProc) return;
8460 StartChessProgram(&first);
8461 InitChessProgram(&first, FALSE);
8462 FeedMovesToProgram(&first, currentMove);
8464 if (!first.sendTime) {
8465 /* can't tell gnuchess what its clock should read,
8466 so we bow to its notion. */
8468 timeRemaining[0][currentMove] = whiteTimeRemaining;
8469 timeRemaining[1][currentMove] = blackTimeRemaining;
8472 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
8473 appData.icsEngineAnalyze) && first.analysisSupport) {
8474 SendToProgram("analyze\n", &first);
8475 first.analyzing = TRUE;
8488 if (appData.debugMode) {
8489 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
8490 redraw, init, gameMode);
8492 pausing = pauseExamInvalid = FALSE;
8493 startedFromSetupPosition = blackPlaysFirst = FALSE;
8495 whiteFlag = blackFlag = FALSE;
8496 userOfferedDraw = FALSE;
8497 hintRequested = bookRequested = FALSE;
8498 first.maybeThinking = FALSE;
8499 second.maybeThinking = FALSE;
8500 first.bookSuspend = FALSE; // [HGM] book
8501 second.bookSuspend = FALSE;
8502 thinkOutput[0] = NULLCHAR;
8503 lastHint[0] = NULLCHAR;
8504 ClearGameInfo(&gameInfo);
8505 gameInfo.variant = StringToVariant(appData.variant);
8506 ics_user_moved = ics_clock_paused = FALSE;
8507 ics_getting_history = H_FALSE;
8509 white_holding[0] = black_holding[0] = NULLCHAR;
8510 ClearProgramStats();
8511 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
8515 flipView = appData.flipView;
8516 ClearPremoveHighlights();
8518 alarmSounded = FALSE;
8520 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
8521 if(appData.serverMovesName != NULL) {
8522 /* [HGM] prepare to make moves file for broadcasting */
8523 clock_t t = clock();
8524 if(serverMoves != NULL) fclose(serverMoves);
8525 serverMoves = fopen(appData.serverMovesName, "r");
8526 if(serverMoves != NULL) {
8527 fclose(serverMoves);
8528 /* delay 15 sec before overwriting, so all clients can see end */
8529 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
8531 serverMoves = fopen(appData.serverMovesName, "w");
8535 gameMode = BeginningOfGame;
8537 if(appData.icsActive) gameInfo.variant = VariantNormal;
8538 currentMove = forwardMostMove = backwardMostMove = 0;
8539 InitPosition(redraw);
8540 for (i = 0; i < MAX_MOVES; i++) {
8541 if (commentList[i] != NULL) {
8542 free(commentList[i]);
8543 commentList[i] = NULL;
8547 timeRemaining[0][0] = whiteTimeRemaining;
8548 timeRemaining[1][0] = blackTimeRemaining;
8549 if (first.pr == NULL) {
8550 StartChessProgram(&first);
8553 InitChessProgram(&first, startedFromSetupPosition);
8556 DisplayMessage("", "");
8557 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
8558 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
8565 if (!AutoPlayOneMove())
8567 if (matchMode || appData.timeDelay == 0)
8569 if (appData.timeDelay < 0 || gameMode == AnalyzeFile)
8571 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
8580 int fromX, fromY, toX, toY;
8582 if (appData.debugMode) {
8583 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
8586 if (gameMode != PlayFromGameFile)
8589 if (currentMove >= forwardMostMove) {
8590 gameMode = EditGame;
8593 /* [AS] Clear current move marker at the end of a game */
8594 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
8599 toX = moveList[currentMove][2] - AAA;
8600 toY = moveList[currentMove][3] - ONE;
8602 if (moveList[currentMove][1] == '@') {
8603 if (appData.highlightLastMove) {
8604 SetHighlights(-1, -1, toX, toY);
8607 fromX = moveList[currentMove][0] - AAA;
8608 fromY = moveList[currentMove][1] - ONE;
8610 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
8612 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
8614 if (appData.highlightLastMove) {
8615 SetHighlights(fromX, fromY, toX, toY);
8618 DisplayMove(currentMove);
8619 SendMoveToProgram(currentMove++, &first);
8620 DisplayBothClocks();
8621 DrawPosition(FALSE, boards[currentMove]);
8622 // [HGM] PV info: always display, routine tests if empty
8623 DisplayComment(currentMove - 1, commentList[currentMove]);
8629 LoadGameOneMove(readAhead)
8630 ChessMove readAhead;
8632 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
8633 char promoChar = NULLCHAR;
8638 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
8639 gameMode != AnalyzeMode && gameMode != Training) {
8644 yyboardindex = forwardMostMove;
8645 if (readAhead != (ChessMove)0) {
8646 moveType = readAhead;
8648 if (gameFileFP == NULL)
8650 moveType = (ChessMove) yylex();
8656 if (appData.debugMode)
8657 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
8659 if (*p == '{' || *p == '[' || *p == '(') {
8660 p[strlen(p) - 1] = NULLCHAR;
8664 /* append the comment but don't display it */
8665 while (*p == '\n') p++;
8666 AppendComment(currentMove, p);
8669 case WhiteCapturesEnPassant:
8670 case BlackCapturesEnPassant:
8671 case WhitePromotionChancellor:
8672 case BlackPromotionChancellor:
8673 case WhitePromotionArchbishop:
8674 case BlackPromotionArchbishop:
8675 case WhitePromotionCentaur:
8676 case BlackPromotionCentaur:
8677 case WhitePromotionQueen:
8678 case BlackPromotionQueen:
8679 case WhitePromotionRook:
8680 case BlackPromotionRook:
8681 case WhitePromotionBishop:
8682 case BlackPromotionBishop:
8683 case WhitePromotionKnight:
8684 case BlackPromotionKnight:
8685 case WhitePromotionKing:
8686 case BlackPromotionKing:
8688 case WhiteKingSideCastle:
8689 case WhiteQueenSideCastle:
8690 case BlackKingSideCastle:
8691 case BlackQueenSideCastle:
8692 case WhiteKingSideCastleWild:
8693 case WhiteQueenSideCastleWild:
8694 case BlackKingSideCastleWild:
8695 case BlackQueenSideCastleWild:
8697 case WhiteHSideCastleFR:
8698 case WhiteASideCastleFR:
8699 case BlackHSideCastleFR:
8700 case BlackASideCastleFR:
8702 if (appData.debugMode)
8703 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
8704 fromX = currentMoveString[0] - AAA;
8705 fromY = currentMoveString[1] - ONE;
8706 toX = currentMoveString[2] - AAA;
8707 toY = currentMoveString[3] - ONE;
8708 promoChar = currentMoveString[4];
8713 if (appData.debugMode)
8714 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
8715 fromX = moveType == WhiteDrop ?
8716 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8717 (int) CharToPiece(ToLower(currentMoveString[0]));
8719 toX = currentMoveString[2] - AAA;
8720 toY = currentMoveString[3] - ONE;
8726 case GameUnfinished:
8727 if (appData.debugMode)
8728 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
8729 p = strchr(yy_text, '{');
8730 if (p == NULL) p = strchr(yy_text, '(');
8733 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8735 q = strchr(p, *p == '{' ? '}' : ')');
8736 if (q != NULL) *q = NULLCHAR;
8739 GameEnds(moveType, p, GE_FILE);
8741 if (cmailMsgLoaded) {
8743 flipView = WhiteOnMove(currentMove);
8744 if (moveType == GameUnfinished) flipView = !flipView;
8745 if (appData.debugMode)
8746 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
8750 case (ChessMove) 0: /* end of file */
8751 if (appData.debugMode)
8752 fprintf(debugFP, "Parser hit end of file\n");
8753 switch (MateTest(boards[currentMove], PosFlags(currentMove),
8754 EP_UNKNOWN, castlingRights[currentMove]) ) {
8760 if (WhiteOnMove(currentMove)) {
8761 GameEnds(BlackWins, "Black mates", GE_FILE);
8763 GameEnds(WhiteWins, "White mates", GE_FILE);
8767 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
8774 if (lastLoadGameStart == GNUChessGame) {
8775 /* GNUChessGames have numbers, but they aren't move numbers */
8776 if (appData.debugMode)
8777 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
8778 yy_text, (int) moveType);
8779 return LoadGameOneMove((ChessMove)0); /* tail recursion */
8781 /* else fall thru */
8786 /* Reached start of next game in file */
8787 if (appData.debugMode)
8788 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
8789 switch (MateTest(boards[currentMove], PosFlags(currentMove),
8790 EP_UNKNOWN, castlingRights[currentMove]) ) {
8796 if (WhiteOnMove(currentMove)) {
8797 GameEnds(BlackWins, "Black mates", GE_FILE);
8799 GameEnds(WhiteWins, "White mates", GE_FILE);
8803 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
8809 case PositionDiagram: /* should not happen; ignore */
8810 case ElapsedTime: /* ignore */
8811 case NAG: /* ignore */
8812 if (appData.debugMode)
8813 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
8814 yy_text, (int) moveType);
8815 return LoadGameOneMove((ChessMove)0); /* tail recursion */
8818 if (appData.testLegality) {
8819 if (appData.debugMode)
8820 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
8821 sprintf(move, _("Illegal move: %d.%s%s"),
8822 (forwardMostMove / 2) + 1,
8823 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
8824 DisplayError(move, 0);
8827 if (appData.debugMode)
8828 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
8829 yy_text, currentMoveString);
8830 fromX = currentMoveString[0] - AAA;
8831 fromY = currentMoveString[1] - ONE;
8832 toX = currentMoveString[2] - AAA;
8833 toY = currentMoveString[3] - ONE;
8834 promoChar = currentMoveString[4];
8839 if (appData.debugMode)
8840 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
8841 sprintf(move, _("Ambiguous move: %d.%s%s"),
8842 (forwardMostMove / 2) + 1,
8843 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
8844 DisplayError(move, 0);
8849 case ImpossibleMove:
8850 if (appData.debugMode)
8851 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
8852 sprintf(move, _("Illegal move: %d.%s%s"),
8853 (forwardMostMove / 2) + 1,
8854 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
8855 DisplayError(move, 0);
8861 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
8862 DrawPosition(FALSE, boards[currentMove]);
8863 DisplayBothClocks();
8864 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
8865 DisplayComment(currentMove - 1, commentList[currentMove]);
8867 (void) StopLoadGameTimer();
8869 cmailOldMove = forwardMostMove;
8872 /* currentMoveString is set as a side-effect of yylex */
8873 strcat(currentMoveString, "\n");
8874 strcpy(moveList[forwardMostMove], currentMoveString);
8876 thinkOutput[0] = NULLCHAR;
8877 MakeMove(fromX, fromY, toX, toY, promoChar);
8878 currentMove = forwardMostMove;
8883 /* Load the nth game from the given file */
8885 LoadGameFromFile(filename, n, title, useList)
8889 /*Boolean*/ int useList;
8894 if (strcmp(filename, "-") == 0) {
8898 f = fopen(filename, "rb");
8900 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
8901 DisplayError(buf, errno);
8905 if (fseek(f, 0, 0) == -1) {
8906 /* f is not seekable; probably a pipe */
8909 if (useList && n == 0) {
8910 int error = GameListBuild(f);
8912 DisplayError(_("Cannot build game list"), error);
8913 } else if (!ListEmpty(&gameList) &&
8914 ((ListGame *) gameList.tailPred)->number > 1) {
8915 GameListPopUp(f, title);
8922 return LoadGame(f, n, title, FALSE);
8927 MakeRegisteredMove()
8929 int fromX, fromY, toX, toY;
8931 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
8932 switch (cmailMoveType[lastLoadGameNumber - 1]) {
8935 if (appData.debugMode)
8936 fprintf(debugFP, "Restoring %s for game %d\n",
8937 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
8939 thinkOutput[0] = NULLCHAR;
8940 strcpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1]);
8941 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
8942 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
8943 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
8944 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
8945 promoChar = cmailMove[lastLoadGameNumber - 1][4];
8946 MakeMove(fromX, fromY, toX, toY, promoChar);
8947 ShowMove(fromX, fromY, toX, toY);
8949 switch (MateTest(boards[currentMove], PosFlags(currentMove),
8950 EP_UNKNOWN, castlingRights[currentMove]) ) {
8957 if (WhiteOnMove(currentMove)) {
8958 GameEnds(BlackWins, "Black mates", GE_PLAYER);
8960 GameEnds(WhiteWins, "White mates", GE_PLAYER);
8965 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
8972 if (WhiteOnMove(currentMove)) {
8973 GameEnds(BlackWins, "White resigns", GE_PLAYER);
8975 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
8980 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
8991 /* Wrapper around LoadGame for use when a Cmail message is loaded */
8993 CmailLoadGame(f, gameNumber, title, useList)
9001 if (gameNumber > nCmailGames) {
9002 DisplayError(_("No more games in this message"), 0);
9005 if (f == lastLoadGameFP) {
9006 int offset = gameNumber - lastLoadGameNumber;
9008 cmailMsg[0] = NULLCHAR;
9009 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9010 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
9011 nCmailMovesRegistered--;
9013 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
9014 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
9015 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
9018 if (! RegisterMove()) return FALSE;
9022 retVal = LoadGame(f, gameNumber, title, useList);
9024 /* Make move registered during previous look at this game, if any */
9025 MakeRegisteredMove();
9027 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
9028 commentList[currentMove]
9029 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
9030 DisplayComment(currentMove - 1, commentList[currentMove]);
9036 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
9041 int gameNumber = lastLoadGameNumber + offset;
9042 if (lastLoadGameFP == NULL) {
9043 DisplayError(_("No game has been loaded yet"), 0);
9046 if (gameNumber <= 0) {
9047 DisplayError(_("Can't back up any further"), 0);
9050 if (cmailMsgLoaded) {
9051 return CmailLoadGame(lastLoadGameFP, gameNumber,
9052 lastLoadGameTitle, lastLoadGameUseList);
9054 return LoadGame(lastLoadGameFP, gameNumber,
9055 lastLoadGameTitle, lastLoadGameUseList);
9061 /* Load the nth game from open file f */
9063 LoadGame(f, gameNumber, title, useList)
9071 int gn = gameNumber;
9072 ListGame *lg = NULL;
9075 GameMode oldGameMode;
9076 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
9078 if (appData.debugMode)
9079 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
9081 if (gameMode == Training )
9082 SetTrainingModeOff();
9084 oldGameMode = gameMode;
9085 if (gameMode != BeginningOfGame) {
9090 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
9091 fclose(lastLoadGameFP);
9095 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
9098 fseek(f, lg->offset, 0);
9099 GameListHighlight(gameNumber);
9103 DisplayError(_("Game number out of range"), 0);
9108 if (fseek(f, 0, 0) == -1) {
9109 if (f == lastLoadGameFP ?
9110 gameNumber == lastLoadGameNumber + 1 :
9114 DisplayError(_("Can't seek on game file"), 0);
9120 lastLoadGameNumber = gameNumber;
9121 strcpy(lastLoadGameTitle, title);
9122 lastLoadGameUseList = useList;
9126 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
9127 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
9128 lg->gameInfo.black);
9130 } else if (*title != NULLCHAR) {
9131 if (gameNumber > 1) {
9132 sprintf(buf, "%s %d", title, gameNumber);
9135 DisplayTitle(title);
9139 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
9140 gameMode = PlayFromGameFile;
9144 currentMove = forwardMostMove = backwardMostMove = 0;
9145 CopyBoard(boards[0], initialPosition);
9149 * Skip the first gn-1 games in the file.
9150 * Also skip over anything that precedes an identifiable
9151 * start of game marker, to avoid being confused by
9152 * garbage at the start of the file. Currently
9153 * recognized start of game markers are the move number "1",
9154 * the pattern "gnuchess .* game", the pattern
9155 * "^[#;%] [^ ]* game file", and a PGN tag block.
9156 * A game that starts with one of the latter two patterns
9157 * will also have a move number 1, possibly
9158 * following a position diagram.
9159 * 5-4-02: Let's try being more lenient and allowing a game to
9160 * start with an unnumbered move. Does that break anything?
9162 cm = lastLoadGameStart = (ChessMove) 0;
9164 yyboardindex = forwardMostMove;
9165 cm = (ChessMove) yylex();
9168 if (cmailMsgLoaded) {
9169 nCmailGames = CMAIL_MAX_GAMES - gn;
9172 DisplayError(_("Game not found in file"), 0);
9179 lastLoadGameStart = cm;
9183 switch (lastLoadGameStart) {
9190 gn--; /* count this game */
9191 lastLoadGameStart = cm;
9200 switch (lastLoadGameStart) {
9205 gn--; /* count this game */
9206 lastLoadGameStart = cm;
9209 lastLoadGameStart = cm; /* game counted already */
9217 yyboardindex = forwardMostMove;
9218 cm = (ChessMove) yylex();
9219 } while (cm == PGNTag || cm == Comment);
9226 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
9227 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
9228 != CMAIL_OLD_RESULT) {
9230 cmailResult[ CMAIL_MAX_GAMES
9231 - gn - 1] = CMAIL_OLD_RESULT;
9237 /* Only a NormalMove can be at the start of a game
9238 * without a position diagram. */
9239 if (lastLoadGameStart == (ChessMove) 0) {
9241 lastLoadGameStart = MoveNumberOne;
9250 if (appData.debugMode)
9251 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
9253 if (cm == XBoardGame) {
9254 /* Skip any header junk before position diagram and/or move 1 */
9256 yyboardindex = forwardMostMove;
9257 cm = (ChessMove) yylex();
9259 if (cm == (ChessMove) 0 ||
9260 cm == GNUChessGame || cm == XBoardGame) {
9261 /* Empty game; pretend end-of-file and handle later */
9266 if (cm == MoveNumberOne || cm == PositionDiagram ||
9267 cm == PGNTag || cm == Comment)
9270 } else if (cm == GNUChessGame) {
9271 if (gameInfo.event != NULL) {
9272 free(gameInfo.event);
9274 gameInfo.event = StrSave(yy_text);
9277 startedFromSetupPosition = FALSE;
9278 while (cm == PGNTag) {
9279 if (appData.debugMode)
9280 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
9281 err = ParsePGNTag(yy_text, &gameInfo);
9282 if (!err) numPGNTags++;
9284 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
9285 if(gameInfo.variant != oldVariant) {
9286 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
9288 oldVariant = gameInfo.variant;
9289 if (appData.debugMode)
9290 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
9294 if (gameInfo.fen != NULL) {
9295 Board initial_position;
9296 startedFromSetupPosition = TRUE;
9297 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
9299 DisplayError(_("Bad FEN position in file"), 0);
9302 CopyBoard(boards[0], initial_position);
9303 if (blackPlaysFirst) {
9304 currentMove = forwardMostMove = backwardMostMove = 1;
9305 CopyBoard(boards[1], initial_position);
9306 strcpy(moveList[0], "");
9307 strcpy(parseList[0], "");
9308 timeRemaining[0][1] = whiteTimeRemaining;
9309 timeRemaining[1][1] = blackTimeRemaining;
9310 if (commentList[0] != NULL) {
9311 commentList[1] = commentList[0];
9312 commentList[0] = NULL;
9315 currentMove = forwardMostMove = backwardMostMove = 0;
9317 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
9319 initialRulePlies = FENrulePlies;
9320 epStatus[forwardMostMove] = FENepStatus;
9321 for( i=0; i< nrCastlingRights; i++ )
9322 initialRights[i] = castlingRights[forwardMostMove][i] = FENcastlingRights[i];
9324 yyboardindex = forwardMostMove;
9326 gameInfo.fen = NULL;
9329 yyboardindex = forwardMostMove;
9330 cm = (ChessMove) yylex();
9332 /* Handle comments interspersed among the tags */
9333 while (cm == Comment) {
9335 if (appData.debugMode)
9336 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9338 if (*p == '{' || *p == '[' || *p == '(') {
9339 p[strlen(p) - 1] = NULLCHAR;
9342 while (*p == '\n') p++;
9343 AppendComment(currentMove, p);
9344 yyboardindex = forwardMostMove;
9345 cm = (ChessMove) yylex();
9349 /* don't rely on existence of Event tag since if game was
9350 * pasted from clipboard the Event tag may not exist
9352 if (numPGNTags > 0){
9354 if (gameInfo.variant == VariantNormal) {
9355 gameInfo.variant = StringToVariant(gameInfo.event);
9358 if( appData.autoDisplayTags ) {
9359 tags = PGNTags(&gameInfo);
9360 TagsPopUp(tags, CmailMsg());
9365 /* Make something up, but don't display it now */
9370 if (cm == PositionDiagram) {
9373 Board initial_position;
9375 if (appData.debugMode)
9376 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
9378 if (!startedFromSetupPosition) {
9380 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
9381 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
9391 initial_position[i][j++] = CharToPiece(*p);
9394 while (*p == ' ' || *p == '\t' ||
9395 *p == '\n' || *p == '\r') p++;
9397 if (strncmp(p, "black", strlen("black"))==0)
9398 blackPlaysFirst = TRUE;
9400 blackPlaysFirst = FALSE;
9401 startedFromSetupPosition = TRUE;
9403 CopyBoard(boards[0], initial_position);
9404 if (blackPlaysFirst) {
9405 currentMove = forwardMostMove = backwardMostMove = 1;
9406 CopyBoard(boards[1], initial_position);
9407 strcpy(moveList[0], "");
9408 strcpy(parseList[0], "");
9409 timeRemaining[0][1] = whiteTimeRemaining;
9410 timeRemaining[1][1] = blackTimeRemaining;
9411 if (commentList[0] != NULL) {
9412 commentList[1] = commentList[0];
9413 commentList[0] = NULL;
9416 currentMove = forwardMostMove = backwardMostMove = 0;
9419 yyboardindex = forwardMostMove;
9420 cm = (ChessMove) yylex();
9423 if (first.pr == NoProc) {
9424 StartChessProgram(&first);
9426 InitChessProgram(&first, FALSE);
9427 SendToProgram("force\n", &first);
9428 if (startedFromSetupPosition) {
9429 SendBoard(&first, forwardMostMove);
9430 if (appData.debugMode) {
9431 fprintf(debugFP, "Load Game\n");
9433 DisplayBothClocks();
9436 /* [HGM] server: flag to write setup moves in broadcast file as one */
9437 loadFlag = appData.suppressLoadMoves;
9439 while (cm == Comment) {
9441 if (appData.debugMode)
9442 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9444 if (*p == '{' || *p == '[' || *p == '(') {
9445 p[strlen(p) - 1] = NULLCHAR;
9448 while (*p == '\n') p++;
9449 AppendComment(currentMove, p);
9450 yyboardindex = forwardMostMove;
9451 cm = (ChessMove) yylex();
9454 if ((cm == (ChessMove) 0 && lastLoadGameStart != (ChessMove) 0) ||
9455 cm == WhiteWins || cm == BlackWins ||
9456 cm == GameIsDrawn || cm == GameUnfinished) {
9457 DisplayMessage("", _("No moves in game"));
9458 if (cmailMsgLoaded) {
9459 if (appData.debugMode)
9460 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
9464 DrawPosition(FALSE, boards[currentMove]);
9465 DisplayBothClocks();
9466 gameMode = EditGame;
9473 // [HGM] PV info: routine tests if comment empty
9474 if (!matchMode && (pausing || appData.timeDelay != 0)) {
9475 DisplayComment(currentMove - 1, commentList[currentMove]);
9477 if (!matchMode && appData.timeDelay != 0)
9478 DrawPosition(FALSE, boards[currentMove]);
9480 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
9481 programStats.ok_to_send = 1;
9484 /* if the first token after the PGN tags is a move
9485 * and not move number 1, retrieve it from the parser
9487 if (cm != MoveNumberOne)
9488 LoadGameOneMove(cm);
9490 /* load the remaining moves from the file */
9491 while (LoadGameOneMove((ChessMove)0)) {
9492 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9493 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9496 /* rewind to the start of the game */
9497 currentMove = backwardMostMove;
9499 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9501 if (oldGameMode == AnalyzeFile ||
9502 oldGameMode == AnalyzeMode) {
9506 if (matchMode || appData.timeDelay == 0) {
9508 gameMode = EditGame;
9510 } else if (appData.timeDelay > 0) {
9514 if (appData.debugMode)
9515 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
9517 loadFlag = 0; /* [HGM] true game starts */
9521 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
9523 ReloadPosition(offset)
9526 int positionNumber = lastLoadPositionNumber + offset;
9527 if (lastLoadPositionFP == NULL) {
9528 DisplayError(_("No position has been loaded yet"), 0);
9531 if (positionNumber <= 0) {
9532 DisplayError(_("Can't back up any further"), 0);
9535 return LoadPosition(lastLoadPositionFP, positionNumber,
9536 lastLoadPositionTitle);
9539 /* Load the nth position from the given file */
9541 LoadPositionFromFile(filename, n, title)
9549 if (strcmp(filename, "-") == 0) {
9550 return LoadPosition(stdin, n, "stdin");
9552 f = fopen(filename, "rb");
9554 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9555 DisplayError(buf, errno);
9558 return LoadPosition(f, n, title);
9563 /* Load the nth position from the given open file, and close it */
9565 LoadPosition(f, positionNumber, title)
9570 char *p, line[MSG_SIZ];
9571 Board initial_position;
9572 int i, j, fenMode, pn;
9574 if (gameMode == Training )
9575 SetTrainingModeOff();
9577 if (gameMode != BeginningOfGame) {
9580 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
9581 fclose(lastLoadPositionFP);
9583 if (positionNumber == 0) positionNumber = 1;
9584 lastLoadPositionFP = f;
9585 lastLoadPositionNumber = positionNumber;
9586 strcpy(lastLoadPositionTitle, title);
9587 if (first.pr == NoProc) {
9588 StartChessProgram(&first);
9589 InitChessProgram(&first, FALSE);
9591 pn = positionNumber;
9592 if (positionNumber < 0) {
9593 /* Negative position number means to seek to that byte offset */
9594 if (fseek(f, -positionNumber, 0) == -1) {
9595 DisplayError(_("Can't seek on position file"), 0);
9600 if (fseek(f, 0, 0) == -1) {
9601 if (f == lastLoadPositionFP ?
9602 positionNumber == lastLoadPositionNumber + 1 :
9603 positionNumber == 1) {
9606 DisplayError(_("Can't seek on position file"), 0);
9611 /* See if this file is FEN or old-style xboard */
9612 if (fgets(line, MSG_SIZ, f) == NULL) {
9613 DisplayError(_("Position not found in file"), 0);
9616 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
9617 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
9620 if (fenMode || line[0] == '#') pn--;
9622 /* skip positions before number pn */
9623 if (fgets(line, MSG_SIZ, f) == NULL) {
9625 DisplayError(_("Position not found in file"), 0);
9628 if (fenMode || line[0] == '#') pn--;
9633 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
9634 DisplayError(_("Bad FEN position in file"), 0);
9638 (void) fgets(line, MSG_SIZ, f);
9639 (void) fgets(line, MSG_SIZ, f);
9641 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
9642 (void) fgets(line, MSG_SIZ, f);
9643 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
9646 initial_position[i][j++] = CharToPiece(*p);
9650 blackPlaysFirst = FALSE;
9652 (void) fgets(line, MSG_SIZ, f);
9653 if (strncmp(line, "black", strlen("black"))==0)
9654 blackPlaysFirst = TRUE;
9657 startedFromSetupPosition = TRUE;
9659 SendToProgram("force\n", &first);
9660 CopyBoard(boards[0], initial_position);
9661 if (blackPlaysFirst) {
9662 currentMove = forwardMostMove = backwardMostMove = 1;
9663 strcpy(moveList[0], "");
9664 strcpy(parseList[0], "");
9665 CopyBoard(boards[1], initial_position);
9666 DisplayMessage("", _("Black to play"));
9668 currentMove = forwardMostMove = backwardMostMove = 0;
9669 DisplayMessage("", _("White to play"));
9671 /* [HGM] copy FEN attributes as well */
9673 initialRulePlies = FENrulePlies;
9674 epStatus[forwardMostMove] = FENepStatus;
9675 for( i=0; i< nrCastlingRights; i++ )
9676 castlingRights[forwardMostMove][i] = FENcastlingRights[i];
9678 SendBoard(&first, forwardMostMove);
9679 if (appData.debugMode) {
9681 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", castlingRights[i][j]);fprintf(debugFP,"\n");}
9682 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
9683 fprintf(debugFP, "Load Position\n");
9686 if (positionNumber > 1) {
9687 sprintf(line, "%s %d", title, positionNumber);
9690 DisplayTitle(title);
9692 gameMode = EditGame;
9695 timeRemaining[0][1] = whiteTimeRemaining;
9696 timeRemaining[1][1] = blackTimeRemaining;
9697 DrawPosition(FALSE, boards[currentMove]);
9704 CopyPlayerNameIntoFileName(dest, src)
9707 while (*src != NULLCHAR && *src != ',') {
9712 *(*dest)++ = *src++;
9717 char *DefaultFileName(ext)
9720 static char def[MSG_SIZ];
9723 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
9725 CopyPlayerNameIntoFileName(&p, gameInfo.white);
9727 CopyPlayerNameIntoFileName(&p, gameInfo.black);
9736 /* Save the current game to the given file */
9738 SaveGameToFile(filename, append)
9745 if (strcmp(filename, "-") == 0) {
9746 return SaveGame(stdout, 0, NULL);
9748 f = fopen(filename, append ? "a" : "w");
9750 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9751 DisplayError(buf, errno);
9754 return SaveGame(f, 0, NULL);
9763 static char buf[MSG_SIZ];
9766 p = strchr(str, ' ');
9767 if (p == NULL) return str;
9768 strncpy(buf, str, p - str);
9769 buf[p - str] = NULLCHAR;
9773 #define PGN_MAX_LINE 75
9775 #define PGN_SIDE_WHITE 0
9776 #define PGN_SIDE_BLACK 1
9779 static int FindFirstMoveOutOfBook( int side )
9783 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
9784 int index = backwardMostMove;
9785 int has_book_hit = 0;
9787 if( (index % 2) != side ) {
9791 while( index < forwardMostMove ) {
9792 /* Check to see if engine is in book */
9793 int depth = pvInfoList[index].depth;
9794 int score = pvInfoList[index].score;
9800 else if( score == 0 && depth == 63 ) {
9801 in_book = 1; /* Zappa */
9803 else if( score == 2 && depth == 99 ) {
9804 in_book = 1; /* Abrok */
9807 has_book_hit += in_book;
9823 void GetOutOfBookInfo( char * buf )
9827 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
9829 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
9830 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
9834 if( oob[0] >= 0 || oob[1] >= 0 ) {
9835 for( i=0; i<2; i++ ) {
9839 if( i > 0 && oob[0] >= 0 ) {
9843 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
9844 sprintf( buf+strlen(buf), "%s%.2f",
9845 pvInfoList[idx].score >= 0 ? "+" : "",
9846 pvInfoList[idx].score / 100.0 );
9852 /* Save game in PGN style and close the file */
9857 int i, offset, linelen, newblock;
9861 int movelen, numlen, blank;
9862 char move_buffer[100]; /* [AS] Buffer for move+PV info */
9864 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
9866 tm = time((time_t *) NULL);
9868 PrintPGNTags(f, &gameInfo);
9870 if (backwardMostMove > 0 || startedFromSetupPosition) {
9871 char *fen = PositionToFEN(backwardMostMove, NULL);
9872 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
9873 fprintf(f, "\n{--------------\n");
9874 PrintPosition(f, backwardMostMove);
9875 fprintf(f, "--------------}\n");
9879 /* [AS] Out of book annotation */
9880 if( appData.saveOutOfBookInfo ) {
9883 GetOutOfBookInfo( buf );
9885 if( buf[0] != '\0' ) {
9886 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
9893 i = backwardMostMove;
9897 while (i < forwardMostMove) {
9898 /* Print comments preceding this move */
9899 if (commentList[i] != NULL) {
9900 if (linelen > 0) fprintf(f, "\n");
9901 fprintf(f, "{\n%s}\n", commentList[i]);
9906 /* Format move number */
9908 sprintf(numtext, "%d.", (i - offset)/2 + 1);
9911 sprintf(numtext, "%d...", (i - offset)/2 + 1);
9913 numtext[0] = NULLCHAR;
9916 numlen = strlen(numtext);
9919 /* Print move number */
9920 blank = linelen > 0 && numlen > 0;
9921 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
9930 fprintf(f, "%s", numtext);
9934 strcpy(move_buffer, SavePart(parseList[i])); // [HGM] pgn: print move via buffer, so it can be edited
9935 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
9938 blank = linelen > 0 && movelen > 0;
9939 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
9948 fprintf(f, "%s", move_buffer);
9951 /* [AS] Add PV info if present */
9952 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
9953 /* [HGM] add time */
9954 char buf[MSG_SIZ]; int seconds;
9956 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
9958 if( seconds <= 0) buf[0] = 0; else
9959 if( seconds < 30 ) sprintf(buf, " %3.1f%c", seconds/10., 0); else {
9960 seconds = (seconds + 4)/10; // round to full seconds
9961 if( seconds < 60 ) sprintf(buf, " %d%c", seconds, 0); else
9962 sprintf(buf, " %d:%02d%c", seconds/60, seconds%60, 0);
9965 sprintf( move_buffer, "{%s%.2f/%d%s}",
9966 pvInfoList[i].score >= 0 ? "+" : "",
9967 pvInfoList[i].score / 100.0,
9968 pvInfoList[i].depth,
9971 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
9973 /* Print score/depth */
9974 blank = linelen > 0 && movelen > 0;
9975 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
9984 fprintf(f, "%s", move_buffer);
9991 /* Start a new line */
9992 if (linelen > 0) fprintf(f, "\n");
9994 /* Print comments after last move */
9995 if (commentList[i] != NULL) {
9996 fprintf(f, "{\n%s}\n", commentList[i]);
10000 if (gameInfo.resultDetails != NULL &&
10001 gameInfo.resultDetails[0] != NULLCHAR) {
10002 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
10003 PGNResult(gameInfo.result));
10005 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10009 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10013 /* Save game in old style and close the file */
10015 SaveGameOldStyle(f)
10021 tm = time((time_t *) NULL);
10023 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
10026 if (backwardMostMove > 0 || startedFromSetupPosition) {
10027 fprintf(f, "\n[--------------\n");
10028 PrintPosition(f, backwardMostMove);
10029 fprintf(f, "--------------]\n");
10034 i = backwardMostMove;
10035 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10037 while (i < forwardMostMove) {
10038 if (commentList[i] != NULL) {
10039 fprintf(f, "[%s]\n", commentList[i]);
10042 if ((i % 2) == 1) {
10043 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
10046 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
10048 if (commentList[i] != NULL) {
10052 if (i >= forwardMostMove) {
10056 fprintf(f, "%s\n", parseList[i]);
10061 if (commentList[i] != NULL) {
10062 fprintf(f, "[%s]\n", commentList[i]);
10065 /* This isn't really the old style, but it's close enough */
10066 if (gameInfo.resultDetails != NULL &&
10067 gameInfo.resultDetails[0] != NULLCHAR) {
10068 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
10069 gameInfo.resultDetails);
10071 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10078 /* Save the current game to open file f and close the file */
10080 SaveGame(f, dummy, dummy2)
10085 if (gameMode == EditPosition) EditPositionDone(TRUE);
10086 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10087 if (appData.oldSaveStyle)
10088 return SaveGameOldStyle(f);
10090 return SaveGamePGN(f);
10093 /* Save the current position to the given file */
10095 SavePositionToFile(filename)
10101 if (strcmp(filename, "-") == 0) {
10102 return SavePosition(stdout, 0, NULL);
10104 f = fopen(filename, "a");
10106 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10107 DisplayError(buf, errno);
10110 SavePosition(f, 0, NULL);
10116 /* Save the current position to the given open file and close the file */
10118 SavePosition(f, dummy, dummy2)
10126 if (gameMode == EditPosition) EditPositionDone(TRUE);
10127 if (appData.oldSaveStyle) {
10128 tm = time((time_t *) NULL);
10130 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
10132 fprintf(f, "[--------------\n");
10133 PrintPosition(f, currentMove);
10134 fprintf(f, "--------------]\n");
10136 fen = PositionToFEN(currentMove, NULL);
10137 fprintf(f, "%s\n", fen);
10145 ReloadCmailMsgEvent(unregister)
10149 static char *inFilename = NULL;
10150 static char *outFilename;
10152 struct stat inbuf, outbuf;
10155 /* Any registered moves are unregistered if unregister is set, */
10156 /* i.e. invoked by the signal handler */
10158 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
10159 cmailMoveRegistered[i] = FALSE;
10160 if (cmailCommentList[i] != NULL) {
10161 free(cmailCommentList[i]);
10162 cmailCommentList[i] = NULL;
10165 nCmailMovesRegistered = 0;
10168 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
10169 cmailResult[i] = CMAIL_NOT_RESULT;
10173 if (inFilename == NULL) {
10174 /* Because the filenames are static they only get malloced once */
10175 /* and they never get freed */
10176 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
10177 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
10179 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
10180 sprintf(outFilename, "%s.out", appData.cmailGameName);
10183 status = stat(outFilename, &outbuf);
10185 cmailMailedMove = FALSE;
10187 status = stat(inFilename, &inbuf);
10188 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
10191 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
10192 counts the games, notes how each one terminated, etc.
10194 It would be nice to remove this kludge and instead gather all
10195 the information while building the game list. (And to keep it
10196 in the game list nodes instead of having a bunch of fixed-size
10197 parallel arrays.) Note this will require getting each game's
10198 termination from the PGN tags, as the game list builder does
10199 not process the game moves. --mann
10201 cmailMsgLoaded = TRUE;
10202 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
10204 /* Load first game in the file or popup game menu */
10205 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
10207 #endif /* !WIN32 */
10215 char string[MSG_SIZ];
10217 if ( cmailMailedMove
10218 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
10219 return TRUE; /* Allow free viewing */
10222 /* Unregister move to ensure that we don't leave RegisterMove */
10223 /* with the move registered when the conditions for registering no */
10225 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10226 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
10227 nCmailMovesRegistered --;
10229 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
10231 free(cmailCommentList[lastLoadGameNumber - 1]);
10232 cmailCommentList[lastLoadGameNumber - 1] = NULL;
10236 if (cmailOldMove == -1) {
10237 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
10241 if (currentMove > cmailOldMove + 1) {
10242 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
10246 if (currentMove < cmailOldMove) {
10247 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
10251 if (forwardMostMove > currentMove) {
10252 /* Silently truncate extra moves */
10256 if ( (currentMove == cmailOldMove + 1)
10257 || ( (currentMove == cmailOldMove)
10258 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
10259 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
10260 if (gameInfo.result != GameUnfinished) {
10261 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
10264 if (commentList[currentMove] != NULL) {
10265 cmailCommentList[lastLoadGameNumber - 1]
10266 = StrSave(commentList[currentMove]);
10268 strcpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1]);
10270 if (appData.debugMode)
10271 fprintf(debugFP, "Saving %s for game %d\n",
10272 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
10275 "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
10277 f = fopen(string, "w");
10278 if (appData.oldSaveStyle) {
10279 SaveGameOldStyle(f); /* also closes the file */
10281 sprintf(string, "%s.pos.out", appData.cmailGameName);
10282 f = fopen(string, "w");
10283 SavePosition(f, 0, NULL); /* also closes the file */
10285 fprintf(f, "{--------------\n");
10286 PrintPosition(f, currentMove);
10287 fprintf(f, "--------------}\n\n");
10289 SaveGame(f, 0, NULL); /* also closes the file*/
10292 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
10293 nCmailMovesRegistered ++;
10294 } else if (nCmailGames == 1) {
10295 DisplayError(_("You have not made a move yet"), 0);
10306 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
10307 FILE *commandOutput;
10308 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
10309 int nBytes = 0; /* Suppress warnings on uninitialized variables */
10315 if (! cmailMsgLoaded) {
10316 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
10320 if (nCmailGames == nCmailResults) {
10321 DisplayError(_("No unfinished games"), 0);
10325 #if CMAIL_PROHIBIT_REMAIL
10326 if (cmailMailedMove) {
10327 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);
10328 DisplayError(msg, 0);
10333 if (! (cmailMailedMove || RegisterMove())) return;
10335 if ( cmailMailedMove
10336 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
10337 sprintf(string, partCommandString,
10338 appData.debugMode ? " -v" : "", appData.cmailGameName);
10339 commandOutput = popen(string, "r");
10341 if (commandOutput == NULL) {
10342 DisplayError(_("Failed to invoke cmail"), 0);
10344 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
10345 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
10347 if (nBuffers > 1) {
10348 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
10349 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
10350 nBytes = MSG_SIZ - 1;
10352 (void) memcpy(msg, buffer, nBytes);
10354 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
10356 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
10357 cmailMailedMove = TRUE; /* Prevent >1 moves */
10360 for (i = 0; i < nCmailGames; i ++) {
10361 if (cmailResult[i] == CMAIL_NOT_RESULT) {
10366 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
10368 sprintf(buffer, "%s/%s.%s.archive",
10370 appData.cmailGameName,
10372 LoadGameFromFile(buffer, 1, buffer, FALSE);
10373 cmailMsgLoaded = FALSE;
10377 DisplayInformation(msg);
10378 pclose(commandOutput);
10381 if ((*cmailMsg) != '\0') {
10382 DisplayInformation(cmailMsg);
10387 #endif /* !WIN32 */
10396 int prependComma = 0;
10398 char string[MSG_SIZ]; /* Space for game-list */
10401 if (!cmailMsgLoaded) return "";
10403 if (cmailMailedMove) {
10404 sprintf(cmailMsg, _("Waiting for reply from opponent\n"));
10406 /* Create a list of games left */
10407 sprintf(string, "[");
10408 for (i = 0; i < nCmailGames; i ++) {
10409 if (! ( cmailMoveRegistered[i]
10410 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
10411 if (prependComma) {
10412 sprintf(number, ",%d", i + 1);
10414 sprintf(number, "%d", i + 1);
10418 strcat(string, number);
10421 strcat(string, "]");
10423 if (nCmailMovesRegistered + nCmailResults == 0) {
10424 switch (nCmailGames) {
10427 _("Still need to make move for game\n"));
10432 _("Still need to make moves for both games\n"));
10437 _("Still need to make moves for all %d games\n"),
10442 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
10445 _("Still need to make a move for game %s\n"),
10450 if (nCmailResults == nCmailGames) {
10451 sprintf(cmailMsg, _("No unfinished games\n"));
10453 sprintf(cmailMsg, _("Ready to send mail\n"));
10459 _("Still need to make moves for games %s\n"),
10471 if (gameMode == Training)
10472 SetTrainingModeOff();
10475 cmailMsgLoaded = FALSE;
10476 if (appData.icsActive) {
10477 SendToICS(ics_prefix);
10478 SendToICS("refresh\n");
10488 /* Give up on clean exit */
10492 /* Keep trying for clean exit */
10496 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
10498 if (telnetISR != NULL) {
10499 RemoveInputSource(telnetISR);
10501 if (icsPR != NoProc) {
10502 DestroyChildProcess(icsPR, TRUE);
10505 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
10506 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
10508 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
10509 /* make sure this other one finishes before killing it! */
10510 if(endingGame) { int count = 0;
10511 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
10512 while(endingGame && count++ < 10) DoSleep(1);
10513 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
10516 /* Kill off chess programs */
10517 if (first.pr != NoProc) {
10520 DoSleep( appData.delayBeforeQuit );
10521 SendToProgram("quit\n", &first);
10522 DoSleep( appData.delayAfterQuit );
10523 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
10525 if (second.pr != NoProc) {
10526 DoSleep( appData.delayBeforeQuit );
10527 SendToProgram("quit\n", &second);
10528 DoSleep( appData.delayAfterQuit );
10529 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
10531 if (first.isr != NULL) {
10532 RemoveInputSource(first.isr);
10534 if (second.isr != NULL) {
10535 RemoveInputSource(second.isr);
10538 ShutDownFrontEnd();
10545 if (appData.debugMode)
10546 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
10550 if (gameMode == MachinePlaysWhite ||
10551 gameMode == MachinePlaysBlack) {
10554 DisplayBothClocks();
10556 if (gameMode == PlayFromGameFile) {
10557 if (appData.timeDelay >= 0)
10558 AutoPlayGameLoop();
10559 } else if (gameMode == IcsExamining && pauseExamInvalid) {
10560 Reset(FALSE, TRUE);
10561 SendToICS(ics_prefix);
10562 SendToICS("refresh\n");
10563 } else if (currentMove < forwardMostMove) {
10564 ForwardInner(forwardMostMove);
10566 pauseExamInvalid = FALSE;
10568 switch (gameMode) {
10572 pauseExamForwardMostMove = forwardMostMove;
10573 pauseExamInvalid = FALSE;
10576 case IcsPlayingWhite:
10577 case IcsPlayingBlack:
10581 case PlayFromGameFile:
10582 (void) StopLoadGameTimer();
10586 case BeginningOfGame:
10587 if (appData.icsActive) return;
10588 /* else fall through */
10589 case MachinePlaysWhite:
10590 case MachinePlaysBlack:
10591 case TwoMachinesPlay:
10592 if (forwardMostMove == 0)
10593 return; /* don't pause if no one has moved */
10594 if ((gameMode == MachinePlaysWhite &&
10595 !WhiteOnMove(forwardMostMove)) ||
10596 (gameMode == MachinePlaysBlack &&
10597 WhiteOnMove(forwardMostMove))) {
10610 char title[MSG_SIZ];
10612 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
10613 strcpy(title, _("Edit comment"));
10615 sprintf(title, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
10616 WhiteOnMove(currentMove - 1) ? " " : ".. ",
10617 parseList[currentMove - 1]);
10620 EditCommentPopUp(currentMove, title, commentList[currentMove]);
10627 char *tags = PGNTags(&gameInfo);
10628 EditTagsPopUp(tags);
10635 if (appData.noChessProgram || gameMode == AnalyzeMode)
10638 if (gameMode != AnalyzeFile) {
10639 if (!appData.icsEngineAnalyze) {
10641 if (gameMode != EditGame) return;
10643 ResurrectChessProgram();
10644 SendToProgram("analyze\n", &first);
10645 first.analyzing = TRUE;
10646 /*first.maybeThinking = TRUE;*/
10647 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
10648 EngineOutputPopUp();
10650 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
10655 StartAnalysisClock();
10656 GetTimeMark(&lastNodeCountTime);
10663 if (appData.noChessProgram || gameMode == AnalyzeFile)
10666 if (gameMode != AnalyzeMode) {
10668 if (gameMode != EditGame) return;
10669 ResurrectChessProgram();
10670 SendToProgram("analyze\n", &first);
10671 first.analyzing = TRUE;
10672 /*first.maybeThinking = TRUE;*/
10673 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
10674 EngineOutputPopUp();
10676 gameMode = AnalyzeFile;
10681 StartAnalysisClock();
10682 GetTimeMark(&lastNodeCountTime);
10687 MachineWhiteEvent()
10690 char *bookHit = NULL;
10692 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
10696 if (gameMode == PlayFromGameFile ||
10697 gameMode == TwoMachinesPlay ||
10698 gameMode == Training ||
10699 gameMode == AnalyzeMode ||
10700 gameMode == EndOfGame)
10703 if (gameMode == EditPosition)
10704 EditPositionDone(TRUE);
10706 if (!WhiteOnMove(currentMove)) {
10707 DisplayError(_("It is not White's turn"), 0);
10711 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
10714 if (gameMode == EditGame || gameMode == AnalyzeMode ||
10715 gameMode == AnalyzeFile)
10718 ResurrectChessProgram(); /* in case it isn't running */
10719 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
10720 gameMode = MachinePlaysWhite;
10723 gameMode = MachinePlaysWhite;
10727 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
10729 if (first.sendName) {
10730 sprintf(buf, "name %s\n", gameInfo.black);
10731 SendToProgram(buf, &first);
10733 if (first.sendTime) {
10734 if (first.useColors) {
10735 SendToProgram("black\n", &first); /*gnu kludge*/
10737 SendTimeRemaining(&first, TRUE);
10739 if (first.useColors) {
10740 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
10742 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
10743 SetMachineThinkingEnables();
10744 first.maybeThinking = TRUE;
10748 if (appData.autoFlipView && !flipView) {
10749 flipView = !flipView;
10750 DrawPosition(FALSE, NULL);
10751 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
10754 if(bookHit) { // [HGM] book: simulate book reply
10755 static char bookMove[MSG_SIZ]; // a bit generous?
10757 programStats.nodes = programStats.depth = programStats.time =
10758 programStats.score = programStats.got_only_move = 0;
10759 sprintf(programStats.movelist, "%s (xbook)", bookHit);
10761 strcpy(bookMove, "move ");
10762 strcat(bookMove, bookHit);
10763 HandleMachineMove(bookMove, &first);
10768 MachineBlackEvent()
10771 char *bookHit = NULL;
10773 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
10777 if (gameMode == PlayFromGameFile ||
10778 gameMode == TwoMachinesPlay ||
10779 gameMode == Training ||
10780 gameMode == AnalyzeMode ||
10781 gameMode == EndOfGame)
10784 if (gameMode == EditPosition)
10785 EditPositionDone(TRUE);
10787 if (WhiteOnMove(currentMove)) {
10788 DisplayError(_("It is not Black's turn"), 0);
10792 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
10795 if (gameMode == EditGame || gameMode == AnalyzeMode ||
10796 gameMode == AnalyzeFile)
10799 ResurrectChessProgram(); /* in case it isn't running */
10800 gameMode = MachinePlaysBlack;
10804 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
10806 if (first.sendName) {
10807 sprintf(buf, "name %s\n", gameInfo.white);
10808 SendToProgram(buf, &first);
10810 if (first.sendTime) {
10811 if (first.useColors) {
10812 SendToProgram("white\n", &first); /*gnu kludge*/
10814 SendTimeRemaining(&first, FALSE);
10816 if (first.useColors) {
10817 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
10819 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
10820 SetMachineThinkingEnables();
10821 first.maybeThinking = TRUE;
10824 if (appData.autoFlipView && flipView) {
10825 flipView = !flipView;
10826 DrawPosition(FALSE, NULL);
10827 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
10829 if(bookHit) { // [HGM] book: simulate book reply
10830 static char bookMove[MSG_SIZ]; // a bit generous?
10832 programStats.nodes = programStats.depth = programStats.time =
10833 programStats.score = programStats.got_only_move = 0;
10834 sprintf(programStats.movelist, "%s (xbook)", bookHit);
10836 strcpy(bookMove, "move ");
10837 strcat(bookMove, bookHit);
10838 HandleMachineMove(bookMove, &first);
10844 DisplayTwoMachinesTitle()
10847 if (appData.matchGames > 0) {
10848 if (first.twoMachinesColor[0] == 'w') {
10849 sprintf(buf, "%s vs. %s (%d-%d-%d)",
10850 gameInfo.white, gameInfo.black,
10851 first.matchWins, second.matchWins,
10852 matchGame - 1 - (first.matchWins + second.matchWins));
10854 sprintf(buf, "%s vs. %s (%d-%d-%d)",
10855 gameInfo.white, gameInfo.black,
10856 second.matchWins, first.matchWins,
10857 matchGame - 1 - (first.matchWins + second.matchWins));
10860 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
10866 TwoMachinesEvent P((void))
10870 ChessProgramState *onmove;
10871 char *bookHit = NULL;
10873 if (appData.noChessProgram) return;
10875 switch (gameMode) {
10876 case TwoMachinesPlay:
10878 case MachinePlaysWhite:
10879 case MachinePlaysBlack:
10880 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
10881 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
10885 case BeginningOfGame:
10886 case PlayFromGameFile:
10889 if (gameMode != EditGame) return;
10892 EditPositionDone(TRUE);
10903 forwardMostMove = currentMove;
10904 ResurrectChessProgram(); /* in case first program isn't running */
10906 if (second.pr == NULL) {
10907 StartChessProgram(&second);
10908 if (second.protocolVersion == 1) {
10909 TwoMachinesEventIfReady();
10911 /* kludge: allow timeout for initial "feature" command */
10913 DisplayMessage("", _("Starting second chess program"));
10914 ScheduleDelayedEvent(TwoMachinesEventIfReady, FEATURE_TIMEOUT);
10918 DisplayMessage("", "");
10919 InitChessProgram(&second, FALSE);
10920 SendToProgram("force\n", &second);
10921 if (startedFromSetupPosition) {
10922 SendBoard(&second, backwardMostMove);
10923 if (appData.debugMode) {
10924 fprintf(debugFP, "Two Machines\n");
10927 for (i = backwardMostMove; i < forwardMostMove; i++) {
10928 SendMoveToProgram(i, &second);
10931 gameMode = TwoMachinesPlay;
10935 DisplayTwoMachinesTitle();
10937 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
10943 SendToProgram(first.computerString, &first);
10944 if (first.sendName) {
10945 sprintf(buf, "name %s\n", second.tidy);
10946 SendToProgram(buf, &first);
10948 SendToProgram(second.computerString, &second);
10949 if (second.sendName) {
10950 sprintf(buf, "name %s\n", first.tidy);
10951 SendToProgram(buf, &second);
10955 if (!first.sendTime || !second.sendTime) {
10956 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10957 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10959 if (onmove->sendTime) {
10960 if (onmove->useColors) {
10961 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
10963 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
10965 if (onmove->useColors) {
10966 SendToProgram(onmove->twoMachinesColor, onmove);
10968 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
10969 // SendToProgram("go\n", onmove);
10970 onmove->maybeThinking = TRUE;
10971 SetMachineThinkingEnables();
10975 if(bookHit) { // [HGM] book: simulate book reply
10976 static char bookMove[MSG_SIZ]; // a bit generous?
10978 programStats.nodes = programStats.depth = programStats.time =
10979 programStats.score = programStats.got_only_move = 0;
10980 sprintf(programStats.movelist, "%s (xbook)", bookHit);
10982 strcpy(bookMove, "move ");
10983 strcat(bookMove, bookHit);
10984 savedMessage = bookMove; // args for deferred call
10985 savedState = onmove;
10986 ScheduleDelayedEvent(DeferredBookMove, 1);
10993 if (gameMode == Training) {
10994 SetTrainingModeOff();
10995 gameMode = PlayFromGameFile;
10996 DisplayMessage("", _("Training mode off"));
10998 gameMode = Training;
10999 animateTraining = appData.animate;
11001 /* make sure we are not already at the end of the game */
11002 if (currentMove < forwardMostMove) {
11003 SetTrainingModeOn();
11004 DisplayMessage("", _("Training mode on"));
11006 gameMode = PlayFromGameFile;
11007 DisplayError(_("Already at end of game"), 0);
11016 if (!appData.icsActive) return;
11017 switch (gameMode) {
11018 case IcsPlayingWhite:
11019 case IcsPlayingBlack:
11022 case BeginningOfGame:
11030 EditPositionDone(TRUE);
11043 gameMode = IcsIdle;
11054 switch (gameMode) {
11056 SetTrainingModeOff();
11058 case MachinePlaysWhite:
11059 case MachinePlaysBlack:
11060 case BeginningOfGame:
11061 SendToProgram("force\n", &first);
11062 SetUserThinkingEnables();
11064 case PlayFromGameFile:
11065 (void) StopLoadGameTimer();
11066 if (gameFileFP != NULL) {
11071 EditPositionDone(TRUE);
11076 SendToProgram("force\n", &first);
11078 case TwoMachinesPlay:
11079 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
11080 ResurrectChessProgram();
11081 SetUserThinkingEnables();
11084 ResurrectChessProgram();
11086 case IcsPlayingBlack:
11087 case IcsPlayingWhite:
11088 DisplayError(_("Warning: You are still playing a game"), 0);
11091 DisplayError(_("Warning: You are still observing a game"), 0);
11094 DisplayError(_("Warning: You are still examining a game"), 0);
11105 first.offeredDraw = second.offeredDraw = 0;
11107 if (gameMode == PlayFromGameFile) {
11108 whiteTimeRemaining = timeRemaining[0][currentMove];
11109 blackTimeRemaining = timeRemaining[1][currentMove];
11113 if (gameMode == MachinePlaysWhite ||
11114 gameMode == MachinePlaysBlack ||
11115 gameMode == TwoMachinesPlay ||
11116 gameMode == EndOfGame) {
11117 i = forwardMostMove;
11118 while (i > currentMove) {
11119 SendToProgram("undo\n", &first);
11122 whiteTimeRemaining = timeRemaining[0][currentMove];
11123 blackTimeRemaining = timeRemaining[1][currentMove];
11124 DisplayBothClocks();
11125 if (whiteFlag || blackFlag) {
11126 whiteFlag = blackFlag = 0;
11131 gameMode = EditGame;
11138 EditPositionEvent()
11140 if (gameMode == EditPosition) {
11146 if (gameMode != EditGame) return;
11148 gameMode = EditPosition;
11151 if (currentMove > 0)
11152 CopyBoard(boards[0], boards[currentMove]);
11154 blackPlaysFirst = !WhiteOnMove(currentMove);
11156 currentMove = forwardMostMove = backwardMostMove = 0;
11157 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11164 /* [DM] icsEngineAnalyze - possible call from other functions */
11165 if (appData.icsEngineAnalyze) {
11166 appData.icsEngineAnalyze = FALSE;
11168 DisplayMessage("",_("Close ICS engine analyze..."));
11170 if (first.analysisSupport && first.analyzing) {
11171 SendToProgram("exit\n", &first);
11172 first.analyzing = FALSE;
11174 thinkOutput[0] = NULLCHAR;
11178 EditPositionDone(Boolean fakeRights)
11180 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
11182 startedFromSetupPosition = TRUE;
11183 InitChessProgram(&first, FALSE);
11185 { /* don't do this if we just pasted FEN */
11186 castlingRights[0][2] = castlingRights[0][5] = BOARD_WIDTH>>1;
11187 if(boards[0][0][BOARD_WIDTH>>1] == king)
11189 castlingRights[0][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : -1;
11190 castlingRights[0][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : -1;
11193 castlingRights[0][2] = -1;
11194 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king)
11196 castlingRights[0][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : -1;
11197 castlingRights[0][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : -1;
11200 castlingRights[0][5] = -1;
11202 SendToProgram("force\n", &first);
11203 if (blackPlaysFirst) {
11204 strcpy(moveList[0], "");
11205 strcpy(parseList[0], "");
11206 currentMove = forwardMostMove = backwardMostMove = 1;
11207 CopyBoard(boards[1], boards[0]);
11208 /* [HGM] copy rights as well, as this code is also used after pasting a FEN */
11210 epStatus[1] = epStatus[0];
11211 for(i=0; i<nrCastlingRights; i++) castlingRights[1][i] = castlingRights[0][i];
11214 currentMove = forwardMostMove = backwardMostMove = 0;
11216 SendBoard(&first, forwardMostMove);
11217 if (appData.debugMode) {
11218 fprintf(debugFP, "EditPosDone\n");
11221 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11222 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11223 gameMode = EditGame;
11225 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11226 ClearHighlights(); /* [AS] */
11229 /* Pause for `ms' milliseconds */
11230 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
11240 } while (SubtractTimeMarks(&m2, &m1) < ms);
11243 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
11245 SendMultiLineToICS(buf)
11248 char temp[MSG_SIZ+1], *p;
11255 strncpy(temp, buf, len);
11260 if (*p == '\n' || *p == '\r')
11265 strcat(temp, "\n");
11267 SendToPlayer(temp, strlen(temp));
11271 SetWhiteToPlayEvent()
11273 if (gameMode == EditPosition) {
11274 blackPlaysFirst = FALSE;
11275 DisplayBothClocks(); /* works because currentMove is 0 */
11276 } else if (gameMode == IcsExamining) {
11277 SendToICS(ics_prefix);
11278 SendToICS("tomove white\n");
11283 SetBlackToPlayEvent()
11285 if (gameMode == EditPosition) {
11286 blackPlaysFirst = TRUE;
11287 currentMove = 1; /* kludge */
11288 DisplayBothClocks();
11290 } else if (gameMode == IcsExamining) {
11291 SendToICS(ics_prefix);
11292 SendToICS("tomove black\n");
11297 EditPositionMenuEvent(selection, x, y)
11298 ChessSquare selection;
11302 ChessSquare piece = boards[0][y][x];
11304 if (gameMode != EditPosition && gameMode != IcsExamining) return;
11306 switch (selection) {
11308 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
11309 SendToICS(ics_prefix);
11310 SendToICS("bsetup clear\n");
11311 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
11312 SendToICS(ics_prefix);
11313 SendToICS("clearboard\n");
11315 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
11316 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
11317 for (y = 0; y < BOARD_HEIGHT; y++) {
11318 if (gameMode == IcsExamining) {
11319 if (boards[currentMove][y][x] != EmptySquare) {
11320 sprintf(buf, "%sx@%c%c\n", ics_prefix,
11325 boards[0][y][x] = p;
11330 if (gameMode == EditPosition) {
11331 DrawPosition(FALSE, boards[0]);
11336 SetWhiteToPlayEvent();
11340 SetBlackToPlayEvent();
11344 if (gameMode == IcsExamining) {
11345 sprintf(buf, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
11348 boards[0][y][x] = EmptySquare;
11349 DrawPosition(FALSE, boards[0]);
11354 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
11355 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
11356 selection = (ChessSquare) (PROMOTED piece);
11357 } else if(piece == EmptySquare) selection = WhiteSilver;
11358 else selection = (ChessSquare)((int)piece - 1);
11362 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
11363 piece > (int)BlackMan && piece <= (int)BlackKing ) {
11364 selection = (ChessSquare) (DEMOTED piece);
11365 } else if(piece == EmptySquare) selection = BlackSilver;
11366 else selection = (ChessSquare)((int)piece + 1);
11371 if(gameInfo.variant == VariantShatranj ||
11372 gameInfo.variant == VariantXiangqi ||
11373 gameInfo.variant == VariantCourier )
11374 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
11379 if(gameInfo.variant == VariantXiangqi)
11380 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
11381 if(gameInfo.variant == VariantKnightmate)
11382 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
11385 if (gameMode == IcsExamining) {
11386 sprintf(buf, "%s%c@%c%c\n", ics_prefix,
11387 PieceToChar(selection), AAA + x, ONE + y);
11390 boards[0][y][x] = selection;
11391 DrawPosition(FALSE, boards[0]);
11399 DropMenuEvent(selection, x, y)
11400 ChessSquare selection;
11403 ChessMove moveType;
11405 switch (gameMode) {
11406 case IcsPlayingWhite:
11407 case MachinePlaysBlack:
11408 if (!WhiteOnMove(currentMove)) {
11409 DisplayMoveError(_("It is Black's turn"));
11412 moveType = WhiteDrop;
11414 case IcsPlayingBlack:
11415 case MachinePlaysWhite:
11416 if (WhiteOnMove(currentMove)) {
11417 DisplayMoveError(_("It is White's turn"));
11420 moveType = BlackDrop;
11423 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
11429 if (moveType == BlackDrop && selection < BlackPawn) {
11430 selection = (ChessSquare) ((int) selection
11431 + (int) BlackPawn - (int) WhitePawn);
11433 if (boards[currentMove][y][x] != EmptySquare) {
11434 DisplayMoveError(_("That square is occupied"));
11438 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
11444 /* Accept a pending offer of any kind from opponent */
11446 if (appData.icsActive) {
11447 SendToICS(ics_prefix);
11448 SendToICS("accept\n");
11449 } else if (cmailMsgLoaded) {
11450 if (currentMove == cmailOldMove &&
11451 commentList[cmailOldMove] != NULL &&
11452 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
11453 "Black offers a draw" : "White offers a draw")) {
11455 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11456 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
11458 DisplayError(_("There is no pending offer on this move"), 0);
11459 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11462 /* Not used for offers from chess program */
11469 /* Decline a pending offer of any kind from opponent */
11471 if (appData.icsActive) {
11472 SendToICS(ics_prefix);
11473 SendToICS("decline\n");
11474 } else if (cmailMsgLoaded) {
11475 if (currentMove == cmailOldMove &&
11476 commentList[cmailOldMove] != NULL &&
11477 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
11478 "Black offers a draw" : "White offers a draw")) {
11480 AppendComment(cmailOldMove, "Draw declined");
11481 DisplayComment(cmailOldMove - 1, "Draw declined");
11484 DisplayError(_("There is no pending offer on this move"), 0);
11487 /* Not used for offers from chess program */
11494 /* Issue ICS rematch command */
11495 if (appData.icsActive) {
11496 SendToICS(ics_prefix);
11497 SendToICS("rematch\n");
11504 /* Call your opponent's flag (claim a win on time) */
11505 if (appData.icsActive) {
11506 SendToICS(ics_prefix);
11507 SendToICS("flag\n");
11509 switch (gameMode) {
11512 case MachinePlaysWhite:
11515 GameEnds(GameIsDrawn, "Both players ran out of time",
11518 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
11520 DisplayError(_("Your opponent is not out of time"), 0);
11523 case MachinePlaysBlack:
11526 GameEnds(GameIsDrawn, "Both players ran out of time",
11529 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
11531 DisplayError(_("Your opponent is not out of time"), 0);
11541 /* Offer draw or accept pending draw offer from opponent */
11543 if (appData.icsActive) {
11544 /* Note: tournament rules require draw offers to be
11545 made after you make your move but before you punch
11546 your clock. Currently ICS doesn't let you do that;
11547 instead, you immediately punch your clock after making
11548 a move, but you can offer a draw at any time. */
11550 SendToICS(ics_prefix);
11551 SendToICS("draw\n");
11552 } else if (cmailMsgLoaded) {
11553 if (currentMove == cmailOldMove &&
11554 commentList[cmailOldMove] != NULL &&
11555 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
11556 "Black offers a draw" : "White offers a draw")) {
11557 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11558 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
11559 } else if (currentMove == cmailOldMove + 1) {
11560 char *offer = WhiteOnMove(cmailOldMove) ?
11561 "White offers a draw" : "Black offers a draw";
11562 AppendComment(currentMove, offer);
11563 DisplayComment(currentMove - 1, offer);
11564 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
11566 DisplayError(_("You must make your move before offering a draw"), 0);
11567 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11569 } else if (first.offeredDraw) {
11570 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
11572 if (first.sendDrawOffers) {
11573 SendToProgram("draw\n", &first);
11574 userOfferedDraw = TRUE;
11582 /* Offer Adjourn or accept pending Adjourn offer from opponent */
11584 if (appData.icsActive) {
11585 SendToICS(ics_prefix);
11586 SendToICS("adjourn\n");
11588 /* Currently GNU Chess doesn't offer or accept Adjourns */
11596 /* Offer Abort or accept pending Abort offer from opponent */
11598 if (appData.icsActive) {
11599 SendToICS(ics_prefix);
11600 SendToICS("abort\n");
11602 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
11609 /* Resign. You can do this even if it's not your turn. */
11611 if (appData.icsActive) {
11612 SendToICS(ics_prefix);
11613 SendToICS("resign\n");
11615 switch (gameMode) {
11616 case MachinePlaysWhite:
11617 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11619 case MachinePlaysBlack:
11620 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11623 if (cmailMsgLoaded) {
11625 if (WhiteOnMove(cmailOldMove)) {
11626 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11628 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11630 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
11641 StopObservingEvent()
11643 /* Stop observing current games */
11644 SendToICS(ics_prefix);
11645 SendToICS("unobserve\n");
11649 StopExaminingEvent()
11651 /* Stop observing current game */
11652 SendToICS(ics_prefix);
11653 SendToICS("unexamine\n");
11657 ForwardInner(target)
11662 if (appData.debugMode)
11663 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
11664 target, currentMove, forwardMostMove);
11666 if (gameMode == EditPosition)
11669 if (gameMode == PlayFromGameFile && !pausing)
11672 if (gameMode == IcsExamining && pausing)
11673 limit = pauseExamForwardMostMove;
11675 limit = forwardMostMove;
11677 if (target > limit) target = limit;
11679 if (target > 0 && moveList[target - 1][0]) {
11680 int fromX, fromY, toX, toY;
11681 toX = moveList[target - 1][2] - AAA;
11682 toY = moveList[target - 1][3] - ONE;
11683 if (moveList[target - 1][1] == '@') {
11684 if (appData.highlightLastMove) {
11685 SetHighlights(-1, -1, toX, toY);
11688 fromX = moveList[target - 1][0] - AAA;
11689 fromY = moveList[target - 1][1] - ONE;
11690 if (target == currentMove + 1) {
11691 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11693 if (appData.highlightLastMove) {
11694 SetHighlights(fromX, fromY, toX, toY);
11698 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11699 gameMode == Training || gameMode == PlayFromGameFile ||
11700 gameMode == AnalyzeFile) {
11701 while (currentMove < target) {
11702 SendMoveToProgram(currentMove++, &first);
11705 currentMove = target;
11708 if (gameMode == EditGame || gameMode == EndOfGame) {
11709 whiteTimeRemaining = timeRemaining[0][currentMove];
11710 blackTimeRemaining = timeRemaining[1][currentMove];
11712 DisplayBothClocks();
11713 DisplayMove(currentMove - 1);
11714 DrawPosition(FALSE, boards[currentMove]);
11715 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
11716 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
11717 DisplayComment(currentMove - 1, commentList[currentMove]);
11725 if (gameMode == IcsExamining && !pausing) {
11726 SendToICS(ics_prefix);
11727 SendToICS("forward\n");
11729 ForwardInner(currentMove + 1);
11736 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
11737 /* to optimze, we temporarily turn off analysis mode while we feed
11738 * the remaining moves to the engine. Otherwise we get analysis output
11741 if (first.analysisSupport) {
11742 SendToProgram("exit\nforce\n", &first);
11743 first.analyzing = FALSE;
11747 if (gameMode == IcsExamining && !pausing) {
11748 SendToICS(ics_prefix);
11749 SendToICS("forward 999999\n");
11751 ForwardInner(forwardMostMove);
11754 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
11755 /* we have fed all the moves, so reactivate analysis mode */
11756 SendToProgram("analyze\n", &first);
11757 first.analyzing = TRUE;
11758 /*first.maybeThinking = TRUE;*/
11759 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11764 BackwardInner(target)
11767 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
11769 if (appData.debugMode)
11770 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
11771 target, currentMove, forwardMostMove);
11773 if (gameMode == EditPosition) return;
11774 if (currentMove <= backwardMostMove) {
11776 DrawPosition(full_redraw, boards[currentMove]);
11779 if (gameMode == PlayFromGameFile && !pausing)
11782 if (moveList[target][0]) {
11783 int fromX, fromY, toX, toY;
11784 toX = moveList[target][2] - AAA;
11785 toY = moveList[target][3] - ONE;
11786 if (moveList[target][1] == '@') {
11787 if (appData.highlightLastMove) {
11788 SetHighlights(-1, -1, toX, toY);
11791 fromX = moveList[target][0] - AAA;
11792 fromY = moveList[target][1] - ONE;
11793 if (target == currentMove - 1) {
11794 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
11796 if (appData.highlightLastMove) {
11797 SetHighlights(fromX, fromY, toX, toY);
11801 if (gameMode == EditGame || gameMode==AnalyzeMode ||
11802 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
11803 while (currentMove > target) {
11804 SendToProgram("undo\n", &first);
11808 currentMove = target;
11811 if (gameMode == EditGame || gameMode == EndOfGame) {
11812 whiteTimeRemaining = timeRemaining[0][currentMove];
11813 blackTimeRemaining = timeRemaining[1][currentMove];
11815 DisplayBothClocks();
11816 DisplayMove(currentMove - 1);
11817 DrawPosition(full_redraw, boards[currentMove]);
11818 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
11819 // [HGM] PV info: routine tests if comment empty
11820 DisplayComment(currentMove - 1, commentList[currentMove]);
11826 if (gameMode == IcsExamining && !pausing) {
11827 SendToICS(ics_prefix);
11828 SendToICS("backward\n");
11830 BackwardInner(currentMove - 1);
11837 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
11838 /* to optimize, we temporarily turn off analysis mode while we undo
11839 * all the moves. Otherwise we get analysis output after each undo.
11841 if (first.analysisSupport) {
11842 SendToProgram("exit\nforce\n", &first);
11843 first.analyzing = FALSE;
11847 if (gameMode == IcsExamining && !pausing) {
11848 SendToICS(ics_prefix);
11849 SendToICS("backward 999999\n");
11851 BackwardInner(backwardMostMove);
11854 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
11855 /* we have fed all the moves, so reactivate analysis mode */
11856 SendToProgram("analyze\n", &first);
11857 first.analyzing = TRUE;
11858 /*first.maybeThinking = TRUE;*/
11859 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11866 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
11867 if (to >= forwardMostMove) to = forwardMostMove;
11868 if (to <= backwardMostMove) to = backwardMostMove;
11869 if (to < currentMove) {
11879 if (gameMode != IcsExamining) {
11880 DisplayError(_("You are not examining a game"), 0);
11884 DisplayError(_("You can't revert while pausing"), 0);
11887 SendToICS(ics_prefix);
11888 SendToICS("revert\n");
11894 switch (gameMode) {
11895 case MachinePlaysWhite:
11896 case MachinePlaysBlack:
11897 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11898 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11901 if (forwardMostMove < 2) return;
11902 currentMove = forwardMostMove = forwardMostMove - 2;
11903 whiteTimeRemaining = timeRemaining[0][currentMove];
11904 blackTimeRemaining = timeRemaining[1][currentMove];
11905 DisplayBothClocks();
11906 DisplayMove(currentMove - 1);
11907 ClearHighlights();/*!! could figure this out*/
11908 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
11909 SendToProgram("remove\n", &first);
11910 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
11913 case BeginningOfGame:
11917 case IcsPlayingWhite:
11918 case IcsPlayingBlack:
11919 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
11920 SendToICS(ics_prefix);
11921 SendToICS("takeback 2\n");
11923 SendToICS(ics_prefix);
11924 SendToICS("takeback 1\n");
11933 ChessProgramState *cps;
11935 switch (gameMode) {
11936 case MachinePlaysWhite:
11937 if (!WhiteOnMove(forwardMostMove)) {
11938 DisplayError(_("It is your turn"), 0);
11943 case MachinePlaysBlack:
11944 if (WhiteOnMove(forwardMostMove)) {
11945 DisplayError(_("It is your turn"), 0);
11950 case TwoMachinesPlay:
11951 if (WhiteOnMove(forwardMostMove) ==
11952 (first.twoMachinesColor[0] == 'w')) {
11958 case BeginningOfGame:
11962 SendToProgram("?\n", cps);
11966 TruncateGameEvent()
11969 if (gameMode != EditGame) return;
11976 if (forwardMostMove > currentMove) {
11977 if (gameInfo.resultDetails != NULL) {
11978 free(gameInfo.resultDetails);
11979 gameInfo.resultDetails = NULL;
11980 gameInfo.result = GameUnfinished;
11982 forwardMostMove = currentMove;
11983 HistorySet(parseList, backwardMostMove, forwardMostMove,
11991 if (appData.noChessProgram) return;
11992 switch (gameMode) {
11993 case MachinePlaysWhite:
11994 if (WhiteOnMove(forwardMostMove)) {
11995 DisplayError(_("Wait until your turn"), 0);
11999 case BeginningOfGame:
12000 case MachinePlaysBlack:
12001 if (!WhiteOnMove(forwardMostMove)) {
12002 DisplayError(_("Wait until your turn"), 0);
12007 DisplayError(_("No hint available"), 0);
12010 SendToProgram("hint\n", &first);
12011 hintRequested = TRUE;
12017 if (appData.noChessProgram) return;
12018 switch (gameMode) {
12019 case MachinePlaysWhite:
12020 if (WhiteOnMove(forwardMostMove)) {
12021 DisplayError(_("Wait until your turn"), 0);
12025 case BeginningOfGame:
12026 case MachinePlaysBlack:
12027 if (!WhiteOnMove(forwardMostMove)) {
12028 DisplayError(_("Wait until your turn"), 0);
12033 EditPositionDone(TRUE);
12035 case TwoMachinesPlay:
12040 SendToProgram("bk\n", &first);
12041 bookOutput[0] = NULLCHAR;
12042 bookRequested = TRUE;
12048 char *tags = PGNTags(&gameInfo);
12049 TagsPopUp(tags, CmailMsg());
12053 /* end button procedures */
12056 PrintPosition(fp, move)
12062 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12063 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
12064 char c = PieceToChar(boards[move][i][j]);
12065 fputc(c == 'x' ? '.' : c, fp);
12066 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
12069 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
12070 fprintf(fp, "white to play\n");
12072 fprintf(fp, "black to play\n");
12079 if (gameInfo.white != NULL) {
12080 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
12086 /* Find last component of program's own name, using some heuristics */
12088 TidyProgramName(prog, host, buf)
12089 char *prog, *host, buf[MSG_SIZ];
12092 int local = (strcmp(host, "localhost") == 0);
12093 while (!local && (p = strchr(prog, ';')) != NULL) {
12095 while (*p == ' ') p++;
12098 if (*prog == '"' || *prog == '\'') {
12099 q = strchr(prog + 1, *prog);
12101 q = strchr(prog, ' ');
12103 if (q == NULL) q = prog + strlen(prog);
12105 while (p >= prog && *p != '/' && *p != '\\') p--;
12107 if(p == prog && *p == '"') p++;
12108 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
12109 memcpy(buf, p, q - p);
12110 buf[q - p] = NULLCHAR;
12118 TimeControlTagValue()
12121 if (!appData.clockMode) {
12123 } else if (movesPerSession > 0) {
12124 sprintf(buf, "%d/%ld", movesPerSession, timeControl/1000);
12125 } else if (timeIncrement == 0) {
12126 sprintf(buf, "%ld", timeControl/1000);
12128 sprintf(buf, "%ld+%ld", timeControl/1000, timeIncrement/1000);
12130 return StrSave(buf);
12136 /* This routine is used only for certain modes */
12137 VariantClass v = gameInfo.variant;
12138 ClearGameInfo(&gameInfo);
12139 gameInfo.variant = v;
12141 switch (gameMode) {
12142 case MachinePlaysWhite:
12143 gameInfo.event = StrSave( appData.pgnEventHeader );
12144 gameInfo.site = StrSave(HostName());
12145 gameInfo.date = PGNDate();
12146 gameInfo.round = StrSave("-");
12147 gameInfo.white = StrSave(first.tidy);
12148 gameInfo.black = StrSave(UserName());
12149 gameInfo.timeControl = TimeControlTagValue();
12152 case MachinePlaysBlack:
12153 gameInfo.event = StrSave( appData.pgnEventHeader );
12154 gameInfo.site = StrSave(HostName());
12155 gameInfo.date = PGNDate();
12156 gameInfo.round = StrSave("-");
12157 gameInfo.white = StrSave(UserName());
12158 gameInfo.black = StrSave(first.tidy);
12159 gameInfo.timeControl = TimeControlTagValue();
12162 case TwoMachinesPlay:
12163 gameInfo.event = StrSave( appData.pgnEventHeader );
12164 gameInfo.site = StrSave(HostName());
12165 gameInfo.date = PGNDate();
12166 if (matchGame > 0) {
12168 sprintf(buf, "%d", matchGame);
12169 gameInfo.round = StrSave(buf);
12171 gameInfo.round = StrSave("-");
12173 if (first.twoMachinesColor[0] == 'w') {
12174 gameInfo.white = StrSave(first.tidy);
12175 gameInfo.black = StrSave(second.tidy);
12177 gameInfo.white = StrSave(second.tidy);
12178 gameInfo.black = StrSave(first.tidy);
12180 gameInfo.timeControl = TimeControlTagValue();
12184 gameInfo.event = StrSave("Edited game");
12185 gameInfo.site = StrSave(HostName());
12186 gameInfo.date = PGNDate();
12187 gameInfo.round = StrSave("-");
12188 gameInfo.white = StrSave("-");
12189 gameInfo.black = StrSave("-");
12193 gameInfo.event = StrSave("Edited position");
12194 gameInfo.site = StrSave(HostName());
12195 gameInfo.date = PGNDate();
12196 gameInfo.round = StrSave("-");
12197 gameInfo.white = StrSave("-");
12198 gameInfo.black = StrSave("-");
12201 case IcsPlayingWhite:
12202 case IcsPlayingBlack:
12207 case PlayFromGameFile:
12208 gameInfo.event = StrSave("Game from non-PGN file");
12209 gameInfo.site = StrSave(HostName());
12210 gameInfo.date = PGNDate();
12211 gameInfo.round = StrSave("-");
12212 gameInfo.white = StrSave("?");
12213 gameInfo.black = StrSave("?");
12222 ReplaceComment(index, text)
12228 while (*text == '\n') text++;
12229 len = strlen(text);
12230 while (len > 0 && text[len - 1] == '\n') len--;
12232 if (commentList[index] != NULL)
12233 free(commentList[index]);
12236 commentList[index] = NULL;
12239 commentList[index] = (char *) malloc(len + 2);
12240 strncpy(commentList[index], text, len);
12241 commentList[index][len] = '\n';
12242 commentList[index][len + 1] = NULLCHAR;
12255 if (ch == '\r') continue;
12257 } while (ch != '\0');
12261 AppendComment(index, text)
12268 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
12271 while (*text == '\n') text++;
12272 len = strlen(text);
12273 while (len > 0 && text[len - 1] == '\n') len--;
12275 if (len == 0) return;
12277 if (commentList[index] != NULL) {
12278 old = commentList[index];
12279 oldlen = strlen(old);
12280 commentList[index] = (char *) malloc(oldlen + len + 2);
12281 strcpy(commentList[index], old);
12283 strncpy(&commentList[index][oldlen], text, len);
12284 commentList[index][oldlen + len] = '\n';
12285 commentList[index][oldlen + len + 1] = NULLCHAR;
12287 commentList[index] = (char *) malloc(len + 2);
12288 strncpy(commentList[index], text, len);
12289 commentList[index][len] = '\n';
12290 commentList[index][len + 1] = NULLCHAR;
12294 static char * FindStr( char * text, char * sub_text )
12296 char * result = strstr( text, sub_text );
12298 if( result != NULL ) {
12299 result += strlen( sub_text );
12305 /* [AS] Try to extract PV info from PGN comment */
12306 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
12307 char *GetInfoFromComment( int index, char * text )
12311 if( text != NULL && index > 0 ) {
12314 int time = -1, sec = 0, deci;
12315 char * s_eval = FindStr( text, "[%eval " );
12316 char * s_emt = FindStr( text, "[%emt " );
12318 if( s_eval != NULL || s_emt != NULL ) {
12322 if( s_eval != NULL ) {
12323 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
12327 if( delim != ']' ) {
12332 if( s_emt != NULL ) {
12336 /* We expect something like: [+|-]nnn.nn/dd */
12339 sep = strchr( text, '/' );
12340 if( sep == NULL || sep < (text+4) ) {
12344 time = -1; sec = -1; deci = -1;
12345 if( sscanf( text, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
12346 sscanf( text, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
12347 sscanf( text, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
12348 sscanf( text, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
12352 if( score_lo < 0 || score_lo >= 100 ) {
12356 if(sec >= 0) time = 600*time + 10*sec; else
12357 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
12359 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
12361 /* [HGM] PV time: now locate end of PV info */
12362 while( *++sep >= '0' && *sep <= '9'); // strip depth
12364 while( *++sep >= '0' && *sep <= '9'); // strip time
12366 while( *++sep >= '0' && *sep <= '9'); // strip seconds
12368 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
12369 while(*sep == ' ') sep++;
12380 pvInfoList[index-1].depth = depth;
12381 pvInfoList[index-1].score = score;
12382 pvInfoList[index-1].time = 10*time; // centi-sec
12388 SendToProgram(message, cps)
12390 ChessProgramState *cps;
12392 int count, outCount, error;
12395 if (cps->pr == NULL) return;
12398 if (appData.debugMode) {
12401 fprintf(debugFP, "%ld >%-6s: %s",
12402 SubtractTimeMarks(&now, &programStartTime),
12403 cps->which, message);
12406 count = strlen(message);
12407 outCount = OutputToProcess(cps->pr, message, count, &error);
12408 if (outCount < count && !exiting
12409 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
12410 sprintf(buf, _("Error writing to %s chess program"), cps->which);
12411 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
12412 if(epStatus[forwardMostMove] <= EP_DRAWS) {
12413 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
12414 sprintf(buf, "%s program exits in draw position (%s)", cps->which, cps->program);
12416 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
12418 gameInfo.resultDetails = StrSave(buf);
12420 DisplayFatalError(buf, error, 1);
12425 ReceiveFromProgram(isr, closure, message, count, error)
12426 InputSourceRef isr;
12434 ChessProgramState *cps = (ChessProgramState *)closure;
12436 if (isr != cps->isr) return; /* Killed intentionally */
12440 _("Error: %s chess program (%s) exited unexpectedly"),
12441 cps->which, cps->program);
12442 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
12443 if(epStatus[forwardMostMove] <= EP_DRAWS) {
12444 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
12445 sprintf(buf, _("%s program exits in draw position (%s)"), cps->which, cps->program);
12447 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
12449 gameInfo.resultDetails = StrSave(buf);
12451 RemoveInputSource(cps->isr);
12452 DisplayFatalError(buf, 0, 1);
12455 _("Error reading from %s chess program (%s)"),
12456 cps->which, cps->program);
12457 RemoveInputSource(cps->isr);
12459 /* [AS] Program is misbehaving badly... kill it */
12460 if( count == -2 ) {
12461 DestroyChildProcess( cps->pr, 9 );
12465 DisplayFatalError(buf, error, 1);
12470 if ((end_str = strchr(message, '\r')) != NULL)
12471 *end_str = NULLCHAR;
12472 if ((end_str = strchr(message, '\n')) != NULL)
12473 *end_str = NULLCHAR;
12475 if (appData.debugMode) {
12476 TimeMark now; int print = 1;
12477 char *quote = ""; char c; int i;
12479 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
12480 char start = message[0];
12481 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
12482 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
12483 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
12484 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
12485 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
12486 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
12487 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
12488 sscanf(message, "pong %c", &c)!=1 && start != '#')
12489 { quote = "# "; print = (appData.engineComments == 2); }
12490 message[0] = start; // restore original message
12494 fprintf(debugFP, "%ld <%-6s: %s%s\n",
12495 SubtractTimeMarks(&now, &programStartTime), cps->which,
12501 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
12502 if (appData.icsEngineAnalyze) {
12503 if (strstr(message, "whisper") != NULL ||
12504 strstr(message, "kibitz") != NULL ||
12505 strstr(message, "tellics") != NULL) return;
12508 HandleMachineMove(message, cps);
12513 SendTimeControl(cps, mps, tc, inc, sd, st)
12514 ChessProgramState *cps;
12515 int mps, inc, sd, st;
12521 if( timeControl_2 > 0 ) {
12522 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
12523 tc = timeControl_2;
12526 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
12527 inc /= cps->timeOdds;
12528 st /= cps->timeOdds;
12530 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
12533 /* Set exact time per move, normally using st command */
12534 if (cps->stKludge) {
12535 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
12537 if (seconds == 0) {
12538 sprintf(buf, "level 1 %d\n", st/60);
12540 sprintf(buf, "level 1 %d:%02d\n", st/60, seconds);
12543 sprintf(buf, "st %d\n", st);
12546 /* Set conventional or incremental time control, using level command */
12547 if (seconds == 0) {
12548 /* Note old gnuchess bug -- minutes:seconds used to not work.
12549 Fixed in later versions, but still avoid :seconds
12550 when seconds is 0. */
12551 sprintf(buf, "level %d %ld %d\n", mps, tc/60000, inc/1000);
12553 sprintf(buf, "level %d %ld:%02d %d\n", mps, tc/60000,
12554 seconds, inc/1000);
12557 SendToProgram(buf, cps);
12559 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
12560 /* Orthogonally, limit search to given depth */
12562 if (cps->sdKludge) {
12563 sprintf(buf, "depth\n%d\n", sd);
12565 sprintf(buf, "sd %d\n", sd);
12567 SendToProgram(buf, cps);
12570 if(cps->nps > 0) { /* [HGM] nps */
12571 if(cps->supportsNPS == FALSE) cps->nps = -1; // don't use if engine explicitly says not supported!
12573 sprintf(buf, "nps %d\n", cps->nps);
12574 SendToProgram(buf, cps);
12579 ChessProgramState *WhitePlayer()
12580 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
12582 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
12583 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
12589 SendTimeRemaining(cps, machineWhite)
12590 ChessProgramState *cps;
12591 int /*boolean*/ machineWhite;
12593 char message[MSG_SIZ];
12596 /* Note: this routine must be called when the clocks are stopped
12597 or when they have *just* been set or switched; otherwise
12598 it will be off by the time since the current tick started.
12600 if (machineWhite) {
12601 time = whiteTimeRemaining / 10;
12602 otime = blackTimeRemaining / 10;
12604 time = blackTimeRemaining / 10;
12605 otime = whiteTimeRemaining / 10;
12607 /* [HGM] translate opponent's time by time-odds factor */
12608 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
12609 if (appData.debugMode) {
12610 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
12613 if (time <= 0) time = 1;
12614 if (otime <= 0) otime = 1;
12616 sprintf(message, "time %ld\n", time);
12617 SendToProgram(message, cps);
12619 sprintf(message, "otim %ld\n", otime);
12620 SendToProgram(message, cps);
12624 BoolFeature(p, name, loc, cps)
12628 ChessProgramState *cps;
12631 int len = strlen(name);
12633 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
12635 sscanf(*p, "%d", &val);
12637 while (**p && **p != ' ') (*p)++;
12638 sprintf(buf, "accepted %s\n", name);
12639 SendToProgram(buf, cps);
12646 IntFeature(p, name, loc, cps)
12650 ChessProgramState *cps;
12653 int len = strlen(name);
12654 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
12656 sscanf(*p, "%d", loc);
12657 while (**p && **p != ' ') (*p)++;
12658 sprintf(buf, "accepted %s\n", name);
12659 SendToProgram(buf, cps);
12666 StringFeature(p, name, loc, cps)
12670 ChessProgramState *cps;
12673 int len = strlen(name);
12674 if (strncmp((*p), name, len) == 0
12675 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
12677 sscanf(*p, "%[^\"]", loc);
12678 while (**p && **p != '\"') (*p)++;
12679 if (**p == '\"') (*p)++;
12680 sprintf(buf, "accepted %s\n", name);
12681 SendToProgram(buf, cps);
12688 ParseOption(Option *opt, ChessProgramState *cps)
12689 // [HGM] options: process the string that defines an engine option, and determine
12690 // name, type, default value, and allowed value range
12692 char *p, *q, buf[MSG_SIZ];
12693 int n, min = (-1)<<31, max = 1<<31, def;
12695 if(p = strstr(opt->name, " -spin ")) {
12696 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
12697 if(max < min) max = min; // enforce consistency
12698 if(def < min) def = min;
12699 if(def > max) def = max;
12704 } else if((p = strstr(opt->name, " -slider "))) {
12705 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
12706 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
12707 if(max < min) max = min; // enforce consistency
12708 if(def < min) def = min;
12709 if(def > max) def = max;
12713 opt->type = Spin; // Slider;
12714 } else if((p = strstr(opt->name, " -string "))) {
12715 opt->textValue = p+9;
12716 opt->type = TextBox;
12717 } else if((p = strstr(opt->name, " -file "))) {
12718 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
12719 opt->textValue = p+7;
12720 opt->type = TextBox; // FileName;
12721 } else if((p = strstr(opt->name, " -path "))) {
12722 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
12723 opt->textValue = p+7;
12724 opt->type = TextBox; // PathName;
12725 } else if(p = strstr(opt->name, " -check ")) {
12726 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
12727 opt->value = (def != 0);
12728 opt->type = CheckBox;
12729 } else if(p = strstr(opt->name, " -combo ")) {
12730 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
12731 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
12732 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
12733 opt->value = n = 0;
12734 while(q = StrStr(q, " /// ")) {
12735 n++; *q = 0; // count choices, and null-terminate each of them
12737 if(*q == '*') { // remember default, which is marked with * prefix
12741 cps->comboList[cps->comboCnt++] = q;
12743 cps->comboList[cps->comboCnt++] = NULL;
12745 opt->type = ComboBox;
12746 } else if(p = strstr(opt->name, " -button")) {
12747 opt->type = Button;
12748 } else if(p = strstr(opt->name, " -save")) {
12749 opt->type = SaveButton;
12750 } else return FALSE;
12751 *p = 0; // terminate option name
12752 // now look if the command-line options define a setting for this engine option.
12753 if(cps->optionSettings && cps->optionSettings[0])
12754 p = strstr(cps->optionSettings, opt->name); else p = NULL;
12755 if(p && (p == cps->optionSettings || p[-1] == ',')) {
12756 sprintf(buf, "option %s", p);
12757 if(p = strstr(buf, ",")) *p = 0;
12759 SendToProgram(buf, cps);
12765 FeatureDone(cps, val)
12766 ChessProgramState* cps;
12769 DelayedEventCallback cb = GetDelayedEvent();
12770 if ((cb == InitBackEnd3 && cps == &first) ||
12771 (cb == TwoMachinesEventIfReady && cps == &second)) {
12772 CancelDelayedEvent();
12773 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
12775 cps->initDone = val;
12778 /* Parse feature command from engine */
12780 ParseFeatures(args, cps)
12782 ChessProgramState *cps;
12790 while (*p == ' ') p++;
12791 if (*p == NULLCHAR) return;
12793 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
12794 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
12795 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
12796 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
12797 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
12798 if (BoolFeature(&p, "reuse", &val, cps)) {
12799 /* Engine can disable reuse, but can't enable it if user said no */
12800 if (!val) cps->reuse = FALSE;
12803 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
12804 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
12805 if (gameMode == TwoMachinesPlay) {
12806 DisplayTwoMachinesTitle();
12812 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
12813 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
12814 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
12815 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
12816 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
12817 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
12818 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
12819 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
12820 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
12821 if (IntFeature(&p, "done", &val, cps)) {
12822 FeatureDone(cps, val);
12825 /* Added by Tord: */
12826 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
12827 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
12828 /* End of additions by Tord */
12830 /* [HGM] added features: */
12831 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
12832 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
12833 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
12834 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
12835 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
12836 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
12837 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
12838 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
12839 sprintf(buf, "rejected option %s\n", cps->option[--cps->nrOptions].name);
12840 SendToProgram(buf, cps);
12843 if(cps->nrOptions >= MAX_OPTIONS) {
12845 sprintf(buf, "%s engine has too many options\n", cps->which);
12846 DisplayError(buf, 0);
12850 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
12851 /* End of additions by HGM */
12853 /* unknown feature: complain and skip */
12855 while (*q && *q != '=') q++;
12856 sprintf(buf, "rejected %.*s\n", (int)(q-p), p);
12857 SendToProgram(buf, cps);
12863 while (*p && *p != '\"') p++;
12864 if (*p == '\"') p++;
12866 while (*p && *p != ' ') p++;
12874 PeriodicUpdatesEvent(newState)
12877 if (newState == appData.periodicUpdates)
12880 appData.periodicUpdates=newState;
12882 /* Display type changes, so update it now */
12883 // DisplayAnalysis();
12885 /* Get the ball rolling again... */
12887 AnalysisPeriodicEvent(1);
12888 StartAnalysisClock();
12893 PonderNextMoveEvent(newState)
12896 if (newState == appData.ponderNextMove) return;
12897 if (gameMode == EditPosition) EditPositionDone(TRUE);
12899 SendToProgram("hard\n", &first);
12900 if (gameMode == TwoMachinesPlay) {
12901 SendToProgram("hard\n", &second);
12904 SendToProgram("easy\n", &first);
12905 thinkOutput[0] = NULLCHAR;
12906 if (gameMode == TwoMachinesPlay) {
12907 SendToProgram("easy\n", &second);
12910 appData.ponderNextMove = newState;
12914 NewSettingEvent(option, command, value)
12920 if (gameMode == EditPosition) EditPositionDone(TRUE);
12921 sprintf(buf, "%s%s %d\n", (option ? "option ": ""), command, value);
12922 SendToProgram(buf, &first);
12923 if (gameMode == TwoMachinesPlay) {
12924 SendToProgram(buf, &second);
12929 ShowThinkingEvent()
12930 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
12932 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
12933 int newState = appData.showThinking
12934 // [HGM] thinking: other features now need thinking output as well
12935 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
12937 if (oldState == newState) return;
12938 oldState = newState;
12939 if (gameMode == EditPosition) EditPositionDone(TRUE);
12941 SendToProgram("post\n", &first);
12942 if (gameMode == TwoMachinesPlay) {
12943 SendToProgram("post\n", &second);
12946 SendToProgram("nopost\n", &first);
12947 thinkOutput[0] = NULLCHAR;
12948 if (gameMode == TwoMachinesPlay) {
12949 SendToProgram("nopost\n", &second);
12952 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
12956 AskQuestionEvent(title, question, replyPrefix, which)
12957 char *title; char *question; char *replyPrefix; char *which;
12959 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
12960 if (pr == NoProc) return;
12961 AskQuestion(title, question, replyPrefix, pr);
12965 DisplayMove(moveNumber)
12968 char message[MSG_SIZ];
12970 char cpThinkOutput[MSG_SIZ];
12972 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
12974 if (moveNumber == forwardMostMove - 1 ||
12975 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12977 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput));
12979 if (strchr(cpThinkOutput, '\n')) {
12980 *strchr(cpThinkOutput, '\n') = NULLCHAR;
12983 *cpThinkOutput = NULLCHAR;
12986 /* [AS] Hide thinking from human user */
12987 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
12988 *cpThinkOutput = NULLCHAR;
12989 if( thinkOutput[0] != NULLCHAR ) {
12992 for( i=0; i<=hiddenThinkOutputState; i++ ) {
12993 cpThinkOutput[i] = '.';
12995 cpThinkOutput[i] = NULLCHAR;
12996 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
13000 if (moveNumber == forwardMostMove - 1 &&
13001 gameInfo.resultDetails != NULL) {
13002 if (gameInfo.resultDetails[0] == NULLCHAR) {
13003 sprintf(res, " %s", PGNResult(gameInfo.result));
13005 sprintf(res, " {%s} %s",
13006 gameInfo.resultDetails, PGNResult(gameInfo.result));
13012 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
13013 DisplayMessage(res, cpThinkOutput);
13015 sprintf(message, "%d.%s%s%s", moveNumber / 2 + 1,
13016 WhiteOnMove(moveNumber) ? " " : ".. ",
13017 parseList[moveNumber], res);
13018 DisplayMessage(message, cpThinkOutput);
13023 DisplayComment(moveNumber, text)
13027 char title[MSG_SIZ];
13028 char buf[8000]; // comment can be long!
13031 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
13032 strcpy(title, "Comment");
13034 sprintf(title, "Comment on %d.%s%s", moveNumber / 2 + 1,
13035 WhiteOnMove(moveNumber) ? " " : ".. ",
13036 parseList[moveNumber]);
13038 // [HGM] PV info: display PV info together with (or as) comment
13039 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
13040 if(text == NULL) text = "";
13041 score = pvInfoList[moveNumber].score;
13042 sprintf(buf, "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
13043 depth, (pvInfoList[moveNumber].time+50)/100, text);
13046 if (text != NULL && (appData.autoDisplayComment || commentUp))
13047 CommentPopUp(title, text);
13050 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
13051 * might be busy thinking or pondering. It can be omitted if your
13052 * gnuchess is configured to stop thinking immediately on any user
13053 * input. However, that gnuchess feature depends on the FIONREAD
13054 * ioctl, which does not work properly on some flavors of Unix.
13058 ChessProgramState *cps;
13061 if (!cps->useSigint) return;
13062 if (appData.noChessProgram || (cps->pr == NoProc)) return;
13063 switch (gameMode) {
13064 case MachinePlaysWhite:
13065 case MachinePlaysBlack:
13066 case TwoMachinesPlay:
13067 case IcsPlayingWhite:
13068 case IcsPlayingBlack:
13071 /* Skip if we know it isn't thinking */
13072 if (!cps->maybeThinking) return;
13073 if (appData.debugMode)
13074 fprintf(debugFP, "Interrupting %s\n", cps->which);
13075 InterruptChildProcess(cps->pr);
13076 cps->maybeThinking = FALSE;
13081 #endif /*ATTENTION*/
13087 if (whiteTimeRemaining <= 0) {
13090 if (appData.icsActive) {
13091 if (appData.autoCallFlag &&
13092 gameMode == IcsPlayingBlack && !blackFlag) {
13093 SendToICS(ics_prefix);
13094 SendToICS("flag\n");
13098 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
13100 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
13101 if (appData.autoCallFlag) {
13102 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
13109 if (blackTimeRemaining <= 0) {
13112 if (appData.icsActive) {
13113 if (appData.autoCallFlag &&
13114 gameMode == IcsPlayingWhite && !whiteFlag) {
13115 SendToICS(ics_prefix);
13116 SendToICS("flag\n");
13120 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
13122 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
13123 if (appData.autoCallFlag) {
13124 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
13137 if (!appData.clockMode || appData.icsActive ||
13138 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
13141 * add time to clocks when time control is achieved ([HGM] now also used for increment)
13143 if ( !WhiteOnMove(forwardMostMove) )
13144 /* White made time control */
13145 whiteTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
13146 /* [HGM] time odds: correct new time quota for time odds! */
13147 / WhitePlayer()->timeOdds;
13149 /* Black made time control */
13150 blackTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
13151 / WhitePlayer()->other->timeOdds;
13155 DisplayBothClocks()
13157 int wom = gameMode == EditPosition ?
13158 !blackPlaysFirst : WhiteOnMove(currentMove);
13159 DisplayWhiteClock(whiteTimeRemaining, wom);
13160 DisplayBlackClock(blackTimeRemaining, !wom);
13164 /* Timekeeping seems to be a portability nightmare. I think everyone
13165 has ftime(), but I'm really not sure, so I'm including some ifdefs
13166 to use other calls if you don't. Clocks will be less accurate if
13167 you have neither ftime nor gettimeofday.
13170 /* VS 2008 requires the #include outside of the function */
13171 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
13172 #include <sys/timeb.h>
13175 /* Get the current time as a TimeMark */
13180 #if HAVE_GETTIMEOFDAY
13182 struct timeval timeVal;
13183 struct timezone timeZone;
13185 gettimeofday(&timeVal, &timeZone);
13186 tm->sec = (long) timeVal.tv_sec;
13187 tm->ms = (int) (timeVal.tv_usec / 1000L);
13189 #else /*!HAVE_GETTIMEOFDAY*/
13192 // include <sys/timeb.h> / moved to just above start of function
13193 struct timeb timeB;
13196 tm->sec = (long) timeB.time;
13197 tm->ms = (int) timeB.millitm;
13199 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
13200 tm->sec = (long) time(NULL);
13206 /* Return the difference in milliseconds between two
13207 time marks. We assume the difference will fit in a long!
13210 SubtractTimeMarks(tm2, tm1)
13211 TimeMark *tm2, *tm1;
13213 return 1000L*(tm2->sec - tm1->sec) +
13214 (long) (tm2->ms - tm1->ms);
13219 * Code to manage the game clocks.
13221 * In tournament play, black starts the clock and then white makes a move.
13222 * We give the human user a slight advantage if he is playing white---the
13223 * clocks don't run until he makes his first move, so it takes zero time.
13224 * Also, we don't account for network lag, so we could get out of sync
13225 * with GNU Chess's clock -- but then, referees are always right.
13228 static TimeMark tickStartTM;
13229 static long intendedTickLength;
13232 NextTickLength(timeRemaining)
13233 long timeRemaining;
13235 long nominalTickLength, nextTickLength;
13237 if (timeRemaining > 0L && timeRemaining <= 10000L)
13238 nominalTickLength = 100L;
13240 nominalTickLength = 1000L;
13241 nextTickLength = timeRemaining % nominalTickLength;
13242 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
13244 return nextTickLength;
13247 /* Adjust clock one minute up or down */
13249 AdjustClock(Boolean which, int dir)
13251 if(which) blackTimeRemaining += 60000*dir;
13252 else whiteTimeRemaining += 60000*dir;
13253 DisplayBothClocks();
13256 /* Stop clocks and reset to a fresh time control */
13260 (void) StopClockTimer();
13261 if (appData.icsActive) {
13262 whiteTimeRemaining = blackTimeRemaining = 0;
13263 } else { /* [HGM] correct new time quote for time odds */
13264 whiteTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->timeOdds;
13265 blackTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->other->timeOdds;
13267 if (whiteFlag || blackFlag) {
13269 whiteFlag = blackFlag = FALSE;
13271 DisplayBothClocks();
13274 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
13276 /* Decrement running clock by amount of time that has passed */
13280 long timeRemaining;
13281 long lastTickLength, fudge;
13284 if (!appData.clockMode) return;
13285 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
13289 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
13291 /* Fudge if we woke up a little too soon */
13292 fudge = intendedTickLength - lastTickLength;
13293 if (fudge < 0 || fudge > FUDGE) fudge = 0;
13295 if (WhiteOnMove(forwardMostMove)) {
13296 if(whiteNPS >= 0) lastTickLength = 0;
13297 timeRemaining = whiteTimeRemaining -= lastTickLength;
13298 DisplayWhiteClock(whiteTimeRemaining - fudge,
13299 WhiteOnMove(currentMove));
13301 if(blackNPS >= 0) lastTickLength = 0;
13302 timeRemaining = blackTimeRemaining -= lastTickLength;
13303 DisplayBlackClock(blackTimeRemaining - fudge,
13304 !WhiteOnMove(currentMove));
13307 if (CheckFlags()) return;
13310 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
13311 StartClockTimer(intendedTickLength);
13313 /* if the time remaining has fallen below the alarm threshold, sound the
13314 * alarm. if the alarm has sounded and (due to a takeback or time control
13315 * with increment) the time remaining has increased to a level above the
13316 * threshold, reset the alarm so it can sound again.
13319 if (appData.icsActive && appData.icsAlarm) {
13321 /* make sure we are dealing with the user's clock */
13322 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
13323 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
13326 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
13327 alarmSounded = FALSE;
13328 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
13330 alarmSounded = TRUE;
13336 /* A player has just moved, so stop the previously running
13337 clock and (if in clock mode) start the other one.
13338 We redisplay both clocks in case we're in ICS mode, because
13339 ICS gives us an update to both clocks after every move.
13340 Note that this routine is called *after* forwardMostMove
13341 is updated, so the last fractional tick must be subtracted
13342 from the color that is *not* on move now.
13347 long lastTickLength;
13349 int flagged = FALSE;
13353 if (StopClockTimer() && appData.clockMode) {
13354 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
13355 if (WhiteOnMove(forwardMostMove)) {
13356 if(blackNPS >= 0) lastTickLength = 0;
13357 blackTimeRemaining -= lastTickLength;
13358 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
13359 // if(pvInfoList[forwardMostMove-1].time == -1)
13360 pvInfoList[forwardMostMove-1].time = // use GUI time
13361 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
13363 if(whiteNPS >= 0) lastTickLength = 0;
13364 whiteTimeRemaining -= lastTickLength;
13365 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
13366 // if(pvInfoList[forwardMostMove-1].time == -1)
13367 pvInfoList[forwardMostMove-1].time =
13368 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
13370 flagged = CheckFlags();
13372 CheckTimeControl();
13374 if (flagged || !appData.clockMode) return;
13376 switch (gameMode) {
13377 case MachinePlaysBlack:
13378 case MachinePlaysWhite:
13379 case BeginningOfGame:
13380 if (pausing) return;
13384 case PlayFromGameFile:
13393 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
13394 whiteTimeRemaining : blackTimeRemaining);
13395 StartClockTimer(intendedTickLength);
13399 /* Stop both clocks */
13403 long lastTickLength;
13406 if (!StopClockTimer()) return;
13407 if (!appData.clockMode) return;
13411 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
13412 if (WhiteOnMove(forwardMostMove)) {
13413 if(whiteNPS >= 0) lastTickLength = 0;
13414 whiteTimeRemaining -= lastTickLength;
13415 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
13417 if(blackNPS >= 0) lastTickLength = 0;
13418 blackTimeRemaining -= lastTickLength;
13419 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
13424 /* Start clock of player on move. Time may have been reset, so
13425 if clock is already running, stop and restart it. */
13429 (void) StopClockTimer(); /* in case it was running already */
13430 DisplayBothClocks();
13431 if (CheckFlags()) return;
13433 if (!appData.clockMode) return;
13434 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
13436 GetTimeMark(&tickStartTM);
13437 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
13438 whiteTimeRemaining : blackTimeRemaining);
13440 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
13441 whiteNPS = blackNPS = -1;
13442 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
13443 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
13444 whiteNPS = first.nps;
13445 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
13446 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
13447 blackNPS = first.nps;
13448 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
13449 whiteNPS = second.nps;
13450 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
13451 blackNPS = second.nps;
13452 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
13454 StartClockTimer(intendedTickLength);
13461 long second, minute, hour, day;
13463 static char buf[32];
13465 if (ms > 0 && ms <= 9900) {
13466 /* convert milliseconds to tenths, rounding up */
13467 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
13469 sprintf(buf, " %03.1f ", tenths/10.0);
13473 /* convert milliseconds to seconds, rounding up */
13474 /* use floating point to avoid strangeness of integer division
13475 with negative dividends on many machines */
13476 second = (long) floor(((double) (ms + 999L)) / 1000.0);
13483 day = second / (60 * 60 * 24);
13484 second = second % (60 * 60 * 24);
13485 hour = second / (60 * 60);
13486 second = second % (60 * 60);
13487 minute = second / 60;
13488 second = second % 60;
13491 sprintf(buf, " %s%ld:%02ld:%02ld:%02ld ",
13492 sign, day, hour, minute, second);
13494 sprintf(buf, " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
13496 sprintf(buf, " %s%2ld:%02ld ", sign, minute, second);
13503 * This is necessary because some C libraries aren't ANSI C compliant yet.
13506 StrStr(string, match)
13507 char *string, *match;
13511 length = strlen(match);
13513 for (i = strlen(string) - length; i >= 0; i--, string++)
13514 if (!strncmp(match, string, length))
13521 StrCaseStr(string, match)
13522 char *string, *match;
13526 length = strlen(match);
13528 for (i = strlen(string) - length; i >= 0; i--, string++) {
13529 for (j = 0; j < length; j++) {
13530 if (ToLower(match[j]) != ToLower(string[j]))
13533 if (j == length) return string;
13547 c1 = ToLower(*s1++);
13548 c2 = ToLower(*s2++);
13549 if (c1 > c2) return 1;
13550 if (c1 < c2) return -1;
13551 if (c1 == NULLCHAR) return 0;
13560 return isupper(c) ? tolower(c) : c;
13568 return islower(c) ? toupper(c) : c;
13570 #endif /* !_amigados */
13578 if ((ret = (char *) malloc(strlen(s) + 1))) {
13585 StrSavePtr(s, savePtr)
13586 char *s, **savePtr;
13591 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
13592 strcpy(*savePtr, s);
13604 clock = time((time_t *)NULL);
13605 tm = localtime(&clock);
13606 sprintf(buf, "%04d.%02d.%02d",
13607 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
13608 return StrSave(buf);
13613 PositionToFEN(move, overrideCastling)
13615 char *overrideCastling;
13617 int i, j, fromX, fromY, toX, toY;
13624 whiteToPlay = (gameMode == EditPosition) ?
13625 !blackPlaysFirst : (move % 2 == 0);
13628 /* Piece placement data */
13629 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13631 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
13632 if (boards[move][i][j] == EmptySquare) {
13634 } else { ChessSquare piece = boards[move][i][j];
13635 if (emptycount > 0) {
13636 if(emptycount<10) /* [HGM] can be >= 10 */
13637 *p++ = '0' + emptycount;
13638 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
13641 if(PieceToChar(piece) == '+') {
13642 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
13644 piece = (ChessSquare)(DEMOTED piece);
13646 *p++ = PieceToChar(piece);
13648 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
13649 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
13654 if (emptycount > 0) {
13655 if(emptycount<10) /* [HGM] can be >= 10 */
13656 *p++ = '0' + emptycount;
13657 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
13664 /* [HGM] print Crazyhouse or Shogi holdings */
13665 if( gameInfo.holdingsWidth ) {
13666 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
13668 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
13669 piece = boards[move][i][BOARD_WIDTH-1];
13670 if( piece != EmptySquare )
13671 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
13672 *p++ = PieceToChar(piece);
13674 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
13675 piece = boards[move][BOARD_HEIGHT-i-1][0];
13676 if( piece != EmptySquare )
13677 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
13678 *p++ = PieceToChar(piece);
13681 if( q == p ) *p++ = '-';
13687 *p++ = whiteToPlay ? 'w' : 'b';
13690 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
13691 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
13693 if(nrCastlingRights) {
13695 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
13696 /* [HGM] write directly from rights */
13697 if(castlingRights[move][2] >= 0 &&
13698 castlingRights[move][0] >= 0 )
13699 *p++ = castlingRights[move][0] + AAA + 'A' - 'a';
13700 if(castlingRights[move][2] >= 0 &&
13701 castlingRights[move][1] >= 0 )
13702 *p++ = castlingRights[move][1] + AAA + 'A' - 'a';
13703 if(castlingRights[move][5] >= 0 &&
13704 castlingRights[move][3] >= 0 )
13705 *p++ = castlingRights[move][3] + AAA;
13706 if(castlingRights[move][5] >= 0 &&
13707 castlingRights[move][4] >= 0 )
13708 *p++ = castlingRights[move][4] + AAA;
13711 /* [HGM] write true castling rights */
13712 if( nrCastlingRights == 6 ) {
13713 if(castlingRights[move][0] == BOARD_RGHT-1 &&
13714 castlingRights[move][2] >= 0 ) *p++ = 'K';
13715 if(castlingRights[move][1] == BOARD_LEFT &&
13716 castlingRights[move][2] >= 0 ) *p++ = 'Q';
13717 if(castlingRights[move][3] == BOARD_RGHT-1 &&
13718 castlingRights[move][5] >= 0 ) *p++ = 'k';
13719 if(castlingRights[move][4] == BOARD_LEFT &&
13720 castlingRights[move][5] >= 0 ) *p++ = 'q';
13723 if (q == p) *p++ = '-'; /* No castling rights */
13727 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
13728 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier ) {
13729 /* En passant target square */
13730 if (move > backwardMostMove) {
13731 fromX = moveList[move - 1][0] - AAA;
13732 fromY = moveList[move - 1][1] - ONE;
13733 toX = moveList[move - 1][2] - AAA;
13734 toY = moveList[move - 1][3] - ONE;
13735 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
13736 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
13737 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
13739 /* 2-square pawn move just happened */
13741 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
13745 } else if(move == backwardMostMove) {
13746 // [HGM] perhaps we should always do it like this, and forget the above?
13747 if(epStatus[move] >= 0) {
13748 *p++ = epStatus[move] + AAA;
13749 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
13760 /* [HGM] find reversible plies */
13761 { int i = 0, j=move;
13763 if (appData.debugMode) { int k;
13764 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
13765 for(k=backwardMostMove; k<=forwardMostMove; k++)
13766 fprintf(debugFP, "e%d. p=%d\n", k, epStatus[k]);
13770 while(j > backwardMostMove && epStatus[j] <= EP_NONE) j--,i++;
13771 if( j == backwardMostMove ) i += initialRulePlies;
13772 sprintf(p, "%d ", i);
13773 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
13775 /* Fullmove number */
13776 sprintf(p, "%d", (move / 2) + 1);
13778 return StrSave(buf);
13782 ParseFEN(board, blackPlaysFirst, fen)
13784 int *blackPlaysFirst;
13794 /* [HGM] by default clear Crazyhouse holdings, if present */
13795 if(gameInfo.holdingsWidth) {
13796 for(i=0; i<BOARD_HEIGHT; i++) {
13797 board[i][0] = EmptySquare; /* black holdings */
13798 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
13799 board[i][1] = (ChessSquare) 0; /* black counts */
13800 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
13804 /* Piece placement data */
13805 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13808 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
13809 if (*p == '/') p++;
13810 emptycount = gameInfo.boardWidth - j;
13811 while (emptycount--)
13812 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
13814 #if(BOARD_SIZE >= 10)
13815 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
13816 p++; emptycount=10;
13817 if (j + emptycount > gameInfo.boardWidth) return FALSE;
13818 while (emptycount--)
13819 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
13821 } else if (isdigit(*p)) {
13822 emptycount = *p++ - '0';
13823 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
13824 if (j + emptycount > gameInfo.boardWidth) return FALSE;
13825 while (emptycount--)
13826 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
13827 } else if (*p == '+' || isalpha(*p)) {
13828 if (j >= gameInfo.boardWidth) return FALSE;
13830 piece = CharToPiece(*++p);
13831 if(piece == EmptySquare) return FALSE; /* unknown piece */
13832 piece = (ChessSquare) (PROMOTED piece ); p++;
13833 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
13834 } else piece = CharToPiece(*p++);
13836 if(piece==EmptySquare) return FALSE; /* unknown piece */
13837 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
13838 piece = (ChessSquare) (PROMOTED piece);
13839 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
13842 board[i][(j++)+gameInfo.holdingsWidth] = piece;
13848 while (*p == '/' || *p == ' ') p++;
13850 /* [HGM] look for Crazyhouse holdings here */
13851 while(*p==' ') p++;
13852 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
13854 if(*p == '-' ) *p++; /* empty holdings */ else {
13855 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
13856 /* if we would allow FEN reading to set board size, we would */
13857 /* have to add holdings and shift the board read so far here */
13858 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
13860 if((int) piece >= (int) BlackPawn ) {
13861 i = (int)piece - (int)BlackPawn;
13862 i = PieceToNumber((ChessSquare)i);
13863 if( i >= gameInfo.holdingsSize ) return FALSE;
13864 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
13865 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
13867 i = (int)piece - (int)WhitePawn;
13868 i = PieceToNumber((ChessSquare)i);
13869 if( i >= gameInfo.holdingsSize ) return FALSE;
13870 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
13871 board[i][BOARD_WIDTH-2]++; /* black holdings */
13875 if(*p == ']') *p++;
13878 while(*p == ' ') p++;
13883 *blackPlaysFirst = FALSE;
13886 *blackPlaysFirst = TRUE;
13892 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
13893 /* return the extra info in global variiables */
13895 /* set defaults in case FEN is incomplete */
13896 FENepStatus = EP_UNKNOWN;
13897 for(i=0; i<nrCastlingRights; i++ ) {
13898 FENcastlingRights[i] =
13899 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? -1 : initialRights[i];
13900 } /* assume possible unless obviously impossible */
13901 if(initialRights[0]>=0 && board[castlingRank[0]][initialRights[0]] != WhiteRook) FENcastlingRights[0] = -1;
13902 if(initialRights[1]>=0 && board[castlingRank[1]][initialRights[1]] != WhiteRook) FENcastlingRights[1] = -1;
13903 if(initialRights[2]>=0 && board[castlingRank[2]][initialRights[2]] != WhiteKing) FENcastlingRights[2] = -1;
13904 if(initialRights[3]>=0 && board[castlingRank[3]][initialRights[3]] != BlackRook) FENcastlingRights[3] = -1;
13905 if(initialRights[4]>=0 && board[castlingRank[4]][initialRights[4]] != BlackRook) FENcastlingRights[4] = -1;
13906 if(initialRights[5]>=0 && board[castlingRank[5]][initialRights[5]] != BlackKing) FENcastlingRights[5] = -1;
13909 while(*p==' ') p++;
13910 if(nrCastlingRights) {
13911 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
13912 /* castling indicator present, so default becomes no castlings */
13913 for(i=0; i<nrCastlingRights; i++ ) {
13914 FENcastlingRights[i] = -1;
13917 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
13918 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
13919 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
13920 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
13921 char c = *p++; int whiteKingFile=-1, blackKingFile=-1;
13923 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
13924 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
13925 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
13929 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
13930 FENcastlingRights[0] = i != whiteKingFile ? i : -1;
13931 FENcastlingRights[2] = whiteKingFile;
13934 for(i=BOARD_LEFT; board[0][i]!=WhiteRook && i<whiteKingFile; i++);
13935 FENcastlingRights[1] = i != whiteKingFile ? i : -1;
13936 FENcastlingRights[2] = whiteKingFile;
13939 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
13940 FENcastlingRights[3] = i != blackKingFile ? i : -1;
13941 FENcastlingRights[5] = blackKingFile;
13944 for(i=BOARD_LEFT; board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
13945 FENcastlingRights[4] = i != blackKingFile ? i : -1;
13946 FENcastlingRights[5] = blackKingFile;
13949 default: /* FRC castlings */
13950 if(c >= 'a') { /* black rights */
13951 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
13952 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
13953 if(i == BOARD_RGHT) break;
13954 FENcastlingRights[5] = i;
13956 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
13957 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
13959 FENcastlingRights[3] = c;
13961 FENcastlingRights[4] = c;
13962 } else { /* white rights */
13963 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
13964 if(board[0][i] == WhiteKing) break;
13965 if(i == BOARD_RGHT) break;
13966 FENcastlingRights[2] = i;
13967 c -= AAA - 'a' + 'A';
13968 if(board[0][c] >= WhiteKing) break;
13970 FENcastlingRights[0] = c;
13972 FENcastlingRights[1] = c;
13976 if (appData.debugMode) {
13977 fprintf(debugFP, "FEN castling rights:");
13978 for(i=0; i<nrCastlingRights; i++)
13979 fprintf(debugFP, " %d", FENcastlingRights[i]);
13980 fprintf(debugFP, "\n");
13983 while(*p==' ') p++;
13986 /* read e.p. field in games that know e.p. capture */
13987 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
13988 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier ) {
13990 p++; FENepStatus = EP_NONE;
13992 char c = *p++ - AAA;
13994 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
13995 if(*p >= '0' && *p <='9') *p++;
14001 if(sscanf(p, "%d", &i) == 1) {
14002 FENrulePlies = i; /* 50-move ply counter */
14003 /* (The move number is still ignored) */
14010 EditPositionPasteFEN(char *fen)
14013 Board initial_position;
14015 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
14016 DisplayError(_("Bad FEN position in clipboard"), 0);
14019 int savedBlackPlaysFirst = blackPlaysFirst;
14020 EditPositionEvent();
14021 blackPlaysFirst = savedBlackPlaysFirst;
14022 CopyBoard(boards[0], initial_position);
14023 /* [HGM] copy FEN attributes as well */
14025 initialRulePlies = FENrulePlies;
14026 epStatus[0] = FENepStatus;
14027 for( i=0; i<nrCastlingRights; i++ )
14028 castlingRights[0][i] = FENcastlingRights[i];
14030 EditPositionDone(FALSE);
14031 DisplayBothClocks();
14032 DrawPosition(FALSE, boards[currentMove]);
14037 static char cseq[12] = "\\ ";
14039 Boolean set_cont_sequence(char *new_seq)
14044 // handle bad attempts to set the sequence
14046 return 0; // acceptable error - no debug
14048 len = strlen(new_seq);
14049 ret = (len > 0) && (len < sizeof(cseq));
14051 strcpy(cseq, new_seq);
14052 else if (appData.debugMode)
14053 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
14058 reformat a source message so words don't cross the width boundary. internal
14059 newlines are not removed. returns the wrapped size (no null character unless
14060 included in source message). If dest is NULL, only calculate the size required
14061 for the dest buffer. lp argument indicats line position upon entry, and it's
14062 passed back upon exit.
14064 int wrap(char *dest, char *src, int count, int width, int *lp)
14066 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
14068 cseq_len = strlen(cseq);
14069 old_line = line = *lp;
14070 ansi = len = clen = 0;
14072 for (i=0; i < count; i++)
14074 if (src[i] == '\033')
14077 // if we hit the width, back up
14078 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
14080 // store i & len in case the word is too long
14081 old_i = i, old_len = len;
14083 // find the end of the last word
14084 while (i && src[i] != ' ' && src[i] != '\n')
14090 // word too long? restore i & len before splitting it
14091 if ((old_i-i+clen) >= width)
14098 if (i && src[i-1] == ' ')
14101 if (src[i] != ' ' && src[i] != '\n')
14108 // now append the newline and continuation sequence
14113 strncpy(dest+len, cseq, cseq_len);
14121 dest[len] = src[i];
14125 if (src[i] == '\n')
14130 if (dest && appData.debugMode)
14132 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
14133 count, width, line, len, *lp);
14134 show_bytes(debugFP, src, count);
14135 fprintf(debugFP, "\ndest: ");
14136 show_bytes(debugFP, dest, len);
14137 fprintf(debugFP, "\n");
14139 *lp = dest ? line : old_line;