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 8192
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;
3704 r = castlingRights[moveNum][0] = initialRights[0];
3705 if(board[0][r] != WhiteRook) castlingRights[moveNum][0] = -1;
3706 r = castlingRights[moveNum][1] = initialRights[1];
3707 if(board[0][r] != WhiteRook) castlingRights[moveNum][1] = -1;
3708 r = castlingRights[moveNum][3] = initialRights[3];
3709 if(board[BOARD_HEIGHT-1][r] != BlackRook) castlingRights[moveNum][3] = -1;
3710 r = castlingRights[moveNum][4] = initialRights[4];
3711 if(board[BOARD_HEIGHT-1][r] != BlackRook) castlingRights[moveNum][4] = -1;
3712 /* wildcastle kludge: always assume King has rights */
3713 r = castlingRights[moveNum][2] = initialRights[2];
3714 r = castlingRights[moveNum][5] = initialRights[5];
3716 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
3717 epStatus[moveNum] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
3720 if (ics_getting_history == H_GOT_REQ_HEADER ||
3721 ics_getting_history == H_GOT_UNREQ_HEADER) {
3722 /* This was an initial position from a move list, not
3723 the current position */
3727 /* Update currentMove and known move number limits */
3728 newMove = newGame || moveNum > forwardMostMove;
3731 forwardMostMove = backwardMostMove = currentMove = moveNum;
3732 if (gameMode == IcsExamining && moveNum == 0) {
3733 /* Workaround for ICS limitation: we are not told the wild
3734 type when starting to examine a game. But if we ask for
3735 the move list, the move list header will tell us */
3736 ics_getting_history = H_REQUESTED;
3737 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3740 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
3741 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
3743 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
3744 /* [HGM] applied this also to an engine that is silently watching */
3745 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
3746 (gameMode == IcsObserving || gameMode == IcsExamining) &&
3747 gameInfo.variant == currentlyInitializedVariant) {
3748 takeback = forwardMostMove - moveNum;
3749 for (i = 0; i < takeback; i++) {
3750 if (appData.debugMode) fprintf(debugFP, "take back move\n");
3751 SendToProgram("undo\n", &first);
3756 forwardMostMove = moveNum;
3757 if (!pausing || currentMove > forwardMostMove)
3758 currentMove = forwardMostMove;
3760 /* New part of history that is not contiguous with old part */
3761 if (pausing && gameMode == IcsExamining) {
3762 pauseExamInvalid = TRUE;
3763 forwardMostMove = pauseExamForwardMostMove;
3766 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
3768 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
3769 // [HGM] when we will receive the move list we now request, it will be
3770 // fed to the engine from the first move on. So if the engine is not
3771 // in the initial position now, bring it there.
3772 InitChessProgram(&first, 0);
3775 ics_getting_history = H_REQUESTED;
3776 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3779 forwardMostMove = backwardMostMove = currentMove = moveNum;
3782 /* Update the clocks */
3783 if (strchr(elapsed_time, '.')) {
3785 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
3786 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
3788 /* Time is in seconds */
3789 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
3790 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
3795 if (appData.zippyPlay && newGame &&
3796 gameMode != IcsObserving && gameMode != IcsIdle &&
3797 gameMode != IcsExamining)
3798 ZippyFirstBoard(moveNum, basetime, increment);
3801 /* Put the move on the move list, first converting
3802 to canonical algebraic form. */
3804 if (appData.debugMode) {
3805 if (appData.debugMode) { int f = forwardMostMove;
3806 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
3807 castlingRights[f][0],castlingRights[f][1],castlingRights[f][2],castlingRights[f][3],castlingRights[f][4],castlingRights[f][5]);
3809 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
3810 fprintf(debugFP, "moveNum = %d\n", moveNum);
3811 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
3812 setbuf(debugFP, NULL);
3814 if (moveNum <= backwardMostMove) {
3815 /* We don't know what the board looked like before
3817 strcpy(parseList[moveNum - 1], move_str);
3818 strcat(parseList[moveNum - 1], " ");
3819 strcat(parseList[moveNum - 1], elapsed_time);
3820 moveList[moveNum - 1][0] = NULLCHAR;
3821 } else if (strcmp(move_str, "none") == 0) {
3822 // [HGM] long SAN: swapped order; test for 'none' before parsing move
3823 /* Again, we don't know what the board looked like;
3824 this is really the start of the game. */
3825 parseList[moveNum - 1][0] = NULLCHAR;
3826 moveList[moveNum - 1][0] = NULLCHAR;
3827 backwardMostMove = moveNum;
3828 startedFromSetupPosition = TRUE;
3829 fromX = fromY = toX = toY = -1;
3831 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
3832 // So we parse the long-algebraic move string in stead of the SAN move
3833 int valid; char buf[MSG_SIZ], *prom;
3835 // str looks something like "Q/a1-a2"; kill the slash
3837 sprintf(buf, "%c%s", str[0], str+2);
3838 else strcpy(buf, str); // might be castling
3839 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
3840 strcat(buf, prom); // long move lacks promo specification!
3841 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
3842 if(appData.debugMode)
3843 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
3844 strcpy(move_str, buf);
3846 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
3847 &fromX, &fromY, &toX, &toY, &promoChar)
3848 || ParseOneMove(buf, moveNum - 1, &moveType,
3849 &fromX, &fromY, &toX, &toY, &promoChar);
3850 // end of long SAN patch
3852 (void) CoordsToAlgebraic(boards[moveNum - 1],
3853 PosFlags(moveNum - 1), EP_UNKNOWN,
3854 fromY, fromX, toY, toX, promoChar,
3855 parseList[moveNum-1]);
3856 switch (MateTest(boards[moveNum], PosFlags(moveNum), EP_UNKNOWN,
3857 castlingRights[moveNum]) ) {
3863 if(gameInfo.variant != VariantShogi)
3864 strcat(parseList[moveNum - 1], "+");
3867 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
3868 strcat(parseList[moveNum - 1], "#");
3871 strcat(parseList[moveNum - 1], " ");
3872 strcat(parseList[moveNum - 1], elapsed_time);
3873 /* currentMoveString is set as a side-effect of ParseOneMove */
3874 strcpy(moveList[moveNum - 1], currentMoveString);
3875 strcat(moveList[moveNum - 1], "\n");
3877 /* Move from ICS was illegal!? Punt. */
3878 if (appData.debugMode) {
3879 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
3880 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
3882 strcpy(parseList[moveNum - 1], move_str);
3883 strcat(parseList[moveNum - 1], " ");
3884 strcat(parseList[moveNum - 1], elapsed_time);
3885 moveList[moveNum - 1][0] = NULLCHAR;
3886 fromX = fromY = toX = toY = -1;
3889 if (appData.debugMode) {
3890 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
3891 setbuf(debugFP, NULL);
3895 /* Send move to chess program (BEFORE animating it). */
3896 if (appData.zippyPlay && !newGame && newMove &&
3897 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
3899 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
3900 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
3901 if (moveList[moveNum - 1][0] == NULLCHAR) {
3902 sprintf(str, _("Couldn't parse move \"%s\" from ICS"),
3904 DisplayError(str, 0);
3906 if (first.sendTime) {
3907 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
3909 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
3910 if (firstMove && !bookHit) {
3912 if (first.useColors) {
3913 SendToProgram(gameMode == IcsPlayingWhite ?
3915 "black\ngo\n", &first);
3917 SendToProgram("go\n", &first);
3919 first.maybeThinking = TRUE;
3922 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
3923 if (moveList[moveNum - 1][0] == NULLCHAR) {
3924 sprintf(str, _("Couldn't parse move \"%s\" from ICS"), move_str);
3925 DisplayError(str, 0);
3927 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
3928 SendMoveToProgram(moveNum - 1, &first);
3935 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
3936 /* If move comes from a remote source, animate it. If it
3937 isn't remote, it will have already been animated. */
3938 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
3939 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
3941 if (!pausing && appData.highlightLastMove) {
3942 SetHighlights(fromX, fromY, toX, toY);
3946 /* Start the clocks */
3947 whiteFlag = blackFlag = FALSE;
3948 appData.clockMode = !(basetime == 0 && increment == 0);
3950 ics_clock_paused = TRUE;
3952 } else if (ticking == 1) {
3953 ics_clock_paused = FALSE;
3955 if (gameMode == IcsIdle ||
3956 relation == RELATION_OBSERVING_STATIC ||
3957 relation == RELATION_EXAMINING ||
3959 DisplayBothClocks();
3963 /* Display opponents and material strengths */
3964 if (gameInfo.variant != VariantBughouse &&
3965 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
3966 if (tinyLayout || smallLayout) {
3967 if(gameInfo.variant == VariantNormal)
3968 sprintf(str, "%s(%d) %s(%d) {%d %d}",
3969 gameInfo.white, white_stren, gameInfo.black, black_stren,
3970 basetime, increment);
3972 sprintf(str, "%s(%d) %s(%d) {%d %d w%d}",
3973 gameInfo.white, white_stren, gameInfo.black, black_stren,
3974 basetime, increment, (int) gameInfo.variant);
3976 if(gameInfo.variant == VariantNormal)
3977 sprintf(str, "%s (%d) vs. %s (%d) {%d %d}",
3978 gameInfo.white, white_stren, gameInfo.black, black_stren,
3979 basetime, increment);
3981 sprintf(str, "%s (%d) vs. %s (%d) {%d %d %s}",
3982 gameInfo.white, white_stren, gameInfo.black, black_stren,
3983 basetime, increment, VariantName(gameInfo.variant));
3986 if (appData.debugMode) {
3987 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
3992 /* Display the board */
3993 if (!pausing && !appData.noGUI) {
3995 if (appData.premove)
3997 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
3998 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
3999 ClearPremoveHighlights();
4001 DrawPosition(FALSE, boards[currentMove]);
4002 DisplayMove(moveNum - 1);
4003 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4004 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4005 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4006 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4010 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4012 if(bookHit) { // [HGM] book: simulate book reply
4013 static char bookMove[MSG_SIZ]; // a bit generous?
4015 programStats.nodes = programStats.depth = programStats.time =
4016 programStats.score = programStats.got_only_move = 0;
4017 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4019 strcpy(bookMove, "move ");
4020 strcat(bookMove, bookHit);
4021 HandleMachineMove(bookMove, &first);
4030 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4031 ics_getting_history = H_REQUESTED;
4032 sprintf(buf, "%smoves %d\n", ics_prefix, ics_gamenum);
4038 AnalysisPeriodicEvent(force)
4041 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4042 && !force) || !appData.periodicUpdates)
4045 /* Send . command to Crafty to collect stats */
4046 SendToProgram(".\n", &first);
4048 /* Don't send another until we get a response (this makes
4049 us stop sending to old Crafty's which don't understand
4050 the "." command (sending illegal cmds resets node count & time,
4051 which looks bad)) */
4052 programStats.ok_to_send = 0;
4055 void ics_update_width(new_width)
4058 ics_printf("set width %d\n", new_width);
4062 SendMoveToProgram(moveNum, cps)
4064 ChessProgramState *cps;
4068 if (cps->useUsermove) {
4069 SendToProgram("usermove ", cps);
4073 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4074 int len = space - parseList[moveNum];
4075 memcpy(buf, parseList[moveNum], len);
4077 buf[len] = NULLCHAR;
4079 sprintf(buf, "%s\n", parseList[moveNum]);
4081 SendToProgram(buf, cps);
4083 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4084 AlphaRank(moveList[moveNum], 4);
4085 SendToProgram(moveList[moveNum], cps);
4086 AlphaRank(moveList[moveNum], 4); // and back
4088 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4089 * the engine. It would be nice to have a better way to identify castle
4091 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4092 && cps->useOOCastle) {
4093 int fromX = moveList[moveNum][0] - AAA;
4094 int fromY = moveList[moveNum][1] - ONE;
4095 int toX = moveList[moveNum][2] - AAA;
4096 int toY = moveList[moveNum][3] - ONE;
4097 if((boards[moveNum][fromY][fromX] == WhiteKing
4098 && boards[moveNum][toY][toX] == WhiteRook)
4099 || (boards[moveNum][fromY][fromX] == BlackKing
4100 && boards[moveNum][toY][toX] == BlackRook)) {
4101 if(toX > fromX) SendToProgram("O-O\n", cps);
4102 else SendToProgram("O-O-O\n", cps);
4104 else SendToProgram(moveList[moveNum], cps);
4106 else SendToProgram(moveList[moveNum], cps);
4107 /* End of additions by Tord */
4110 /* [HGM] setting up the opening has brought engine in force mode! */
4111 /* Send 'go' if we are in a mode where machine should play. */
4112 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4113 (gameMode == TwoMachinesPlay ||
4115 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4117 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4118 SendToProgram("go\n", cps);
4119 if (appData.debugMode) {
4120 fprintf(debugFP, "(extra)\n");
4123 setboardSpoiledMachineBlack = 0;
4127 SendMoveToICS(moveType, fromX, fromY, toX, toY)
4129 int fromX, fromY, toX, toY;
4131 char user_move[MSG_SIZ];
4135 sprintf(user_move, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4136 (int)moveType, fromX, fromY, toX, toY);
4137 DisplayError(user_move + strlen("say "), 0);
4139 case WhiteKingSideCastle:
4140 case BlackKingSideCastle:
4141 case WhiteQueenSideCastleWild:
4142 case BlackQueenSideCastleWild:
4144 case WhiteHSideCastleFR:
4145 case BlackHSideCastleFR:
4147 sprintf(user_move, "o-o\n");
4149 case WhiteQueenSideCastle:
4150 case BlackQueenSideCastle:
4151 case WhiteKingSideCastleWild:
4152 case BlackKingSideCastleWild:
4154 case WhiteASideCastleFR:
4155 case BlackASideCastleFR:
4157 sprintf(user_move, "o-o-o\n");
4159 case WhitePromotionQueen:
4160 case BlackPromotionQueen:
4161 case WhitePromotionRook:
4162 case BlackPromotionRook:
4163 case WhitePromotionBishop:
4164 case BlackPromotionBishop:
4165 case WhitePromotionKnight:
4166 case BlackPromotionKnight:
4167 case WhitePromotionKing:
4168 case BlackPromotionKing:
4169 case WhitePromotionChancellor:
4170 case BlackPromotionChancellor:
4171 case WhitePromotionArchbishop:
4172 case BlackPromotionArchbishop:
4173 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier)
4174 sprintf(user_move, "%c%c%c%c=%c\n",
4175 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4176 PieceToChar(WhiteFerz));
4177 else if(gameInfo.variant == VariantGreat)
4178 sprintf(user_move, "%c%c%c%c=%c\n",
4179 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4180 PieceToChar(WhiteMan));
4182 sprintf(user_move, "%c%c%c%c=%c\n",
4183 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4184 PieceToChar(PromoPiece(moveType)));
4188 sprintf(user_move, "%c@%c%c\n",
4189 ToUpper(PieceToChar((ChessSquare) fromX)),
4190 AAA + toX, ONE + toY);
4193 case WhiteCapturesEnPassant:
4194 case BlackCapturesEnPassant:
4195 case IllegalMove: /* could be a variant we don't quite understand */
4196 sprintf(user_move, "%c%c%c%c\n",
4197 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4200 SendToICS(user_move);
4201 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
4202 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
4206 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
4211 if (rf == DROP_RANK) {
4212 sprintf(move, "%c@%c%c\n",
4213 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
4215 if (promoChar == 'x' || promoChar == NULLCHAR) {
4216 sprintf(move, "%c%c%c%c\n",
4217 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
4219 sprintf(move, "%c%c%c%c%c\n",
4220 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
4226 ProcessICSInitScript(f)
4231 while (fgets(buf, MSG_SIZ, f)) {
4232 SendToICSDelayed(buf,(long)appData.msLoginDelay);
4239 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
4241 AlphaRank(char *move, int n)
4243 // char *p = move, c; int x, y;
4245 if (appData.debugMode) {
4246 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
4250 move[2]>='0' && move[2]<='9' &&
4251 move[3]>='a' && move[3]<='x' ) {
4253 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4254 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4256 if(move[0]>='0' && move[0]<='9' &&
4257 move[1]>='a' && move[1]<='x' &&
4258 move[2]>='0' && move[2]<='9' &&
4259 move[3]>='a' && move[3]<='x' ) {
4260 /* input move, Shogi -> normal */
4261 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
4262 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
4263 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4264 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4267 move[3]>='0' && move[3]<='9' &&
4268 move[2]>='a' && move[2]<='x' ) {
4270 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4271 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4274 move[0]>='a' && move[0]<='x' &&
4275 move[3]>='0' && move[3]<='9' &&
4276 move[2]>='a' && move[2]<='x' ) {
4277 /* output move, normal -> Shogi */
4278 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
4279 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
4280 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4281 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4282 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
4284 if (appData.debugMode) {
4285 fprintf(debugFP, " out = '%s'\n", move);
4289 /* Parser for moves from gnuchess, ICS, or user typein box */
4291 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
4294 ChessMove *moveType;
4295 int *fromX, *fromY, *toX, *toY;
4298 if (appData.debugMode) {
4299 fprintf(debugFP, "move to parse: %s\n", move);
4301 *moveType = yylexstr(moveNum, move);
4303 switch (*moveType) {
4304 case WhitePromotionChancellor:
4305 case BlackPromotionChancellor:
4306 case WhitePromotionArchbishop:
4307 case BlackPromotionArchbishop:
4308 case WhitePromotionQueen:
4309 case BlackPromotionQueen:
4310 case WhitePromotionRook:
4311 case BlackPromotionRook:
4312 case WhitePromotionBishop:
4313 case BlackPromotionBishop:
4314 case WhitePromotionKnight:
4315 case BlackPromotionKnight:
4316 case WhitePromotionKing:
4317 case BlackPromotionKing:
4319 case WhiteCapturesEnPassant:
4320 case BlackCapturesEnPassant:
4321 case WhiteKingSideCastle:
4322 case WhiteQueenSideCastle:
4323 case BlackKingSideCastle:
4324 case BlackQueenSideCastle:
4325 case WhiteKingSideCastleWild:
4326 case WhiteQueenSideCastleWild:
4327 case BlackKingSideCastleWild:
4328 case BlackQueenSideCastleWild:
4329 /* Code added by Tord: */
4330 case WhiteHSideCastleFR:
4331 case WhiteASideCastleFR:
4332 case BlackHSideCastleFR:
4333 case BlackASideCastleFR:
4334 /* End of code added by Tord */
4335 case IllegalMove: /* bug or odd chess variant */
4336 *fromX = currentMoveString[0] - AAA;
4337 *fromY = currentMoveString[1] - ONE;
4338 *toX = currentMoveString[2] - AAA;
4339 *toY = currentMoveString[3] - ONE;
4340 *promoChar = currentMoveString[4];
4341 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
4342 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
4343 if (appData.debugMode) {
4344 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
4346 *fromX = *fromY = *toX = *toY = 0;
4349 if (appData.testLegality) {
4350 return (*moveType != IllegalMove);
4352 return !(fromX == fromY && toX == toY);
4357 *fromX = *moveType == WhiteDrop ?
4358 (int) CharToPiece(ToUpper(currentMoveString[0])) :
4359 (int) CharToPiece(ToLower(currentMoveString[0]));
4361 *toX = currentMoveString[2] - AAA;
4362 *toY = currentMoveString[3] - ONE;
4363 *promoChar = NULLCHAR;
4367 case ImpossibleMove:
4368 case (ChessMove) 0: /* end of file */
4377 if (appData.debugMode) {
4378 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
4381 *fromX = *fromY = *toX = *toY = 0;
4382 *promoChar = NULLCHAR;
4387 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
4388 // All positions will have equal probability, but the current method will not provide a unique
4389 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
4395 int piecesLeft[(int)BlackPawn];
4396 int seed, nrOfShuffles;
4398 void GetPositionNumber()
4399 { // sets global variable seed
4402 seed = appData.defaultFrcPosition;
4403 if(seed < 0) { // randomize based on time for negative FRC position numbers
4404 for(i=0; i<50; i++) seed += random();
4405 seed = random() ^ random() >> 8 ^ random() << 8;
4406 if(seed<0) seed = -seed;
4410 int put(Board board, int pieceType, int rank, int n, int shade)
4411 // put the piece on the (n-1)-th empty squares of the given shade
4415 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
4416 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
4417 board[rank][i] = (ChessSquare) pieceType;
4418 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
4420 piecesLeft[pieceType]--;
4428 void AddOnePiece(Board board, int pieceType, int rank, int shade)
4429 // calculate where the next piece goes, (any empty square), and put it there
4433 i = seed % squaresLeft[shade];
4434 nrOfShuffles *= squaresLeft[shade];
4435 seed /= squaresLeft[shade];
4436 put(board, pieceType, rank, i, shade);
4439 void AddTwoPieces(Board board, int pieceType, int rank)
4440 // calculate where the next 2 identical pieces go, (any empty square), and put it there
4442 int i, n=squaresLeft[ANY], j=n-1, k;
4444 k = n*(n-1)/2; // nr of possibilities, not counting permutations
4445 i = seed % k; // pick one
4448 while(i >= j) i -= j--;
4449 j = n - 1 - j; i += j;
4450 put(board, pieceType, rank, j, ANY);
4451 put(board, pieceType, rank, i, ANY);
4454 void SetUpShuffle(Board board, int number)
4458 GetPositionNumber(); nrOfShuffles = 1;
4460 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
4461 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
4462 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
4464 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
4466 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
4467 p = (int) board[0][i];
4468 if(p < (int) BlackPawn) piecesLeft[p] ++;
4469 board[0][i] = EmptySquare;
4472 if(PosFlags(0) & F_ALL_CASTLE_OK) {
4473 // shuffles restricted to allow normal castling put KRR first
4474 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
4475 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
4476 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
4477 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
4478 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
4479 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
4480 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
4481 put(board, WhiteRook, 0, 0, ANY);
4482 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
4485 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
4486 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
4487 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
4488 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
4489 while(piecesLeft[p] >= 2) {
4490 AddOnePiece(board, p, 0, LITE);
4491 AddOnePiece(board, p, 0, DARK);
4493 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
4496 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
4497 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
4498 // but we leave King and Rooks for last, to possibly obey FRC restriction
4499 if(p == (int)WhiteRook) continue;
4500 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
4501 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
4504 // now everything is placed, except perhaps King (Unicorn) and Rooks
4506 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
4507 // Last King gets castling rights
4508 while(piecesLeft[(int)WhiteUnicorn]) {
4509 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
4510 initialRights[2] = initialRights[5] = castlingRights[0][2] = castlingRights[0][5] = i;
4513 while(piecesLeft[(int)WhiteKing]) {
4514 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
4515 initialRights[2] = initialRights[5] = castlingRights[0][2] = castlingRights[0][5] = i;
4520 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
4521 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
4524 // Only Rooks can be left; simply place them all
4525 while(piecesLeft[(int)WhiteRook]) {
4526 i = put(board, WhiteRook, 0, 0, ANY);
4527 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
4530 initialRights[1] = initialRights[4] = castlingRights[0][1] = castlingRights[0][4] = i;
4532 initialRights[0] = initialRights[3] = castlingRights[0][0] = castlingRights[0][3] = i;
4535 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
4536 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
4539 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
4542 int SetCharTable( char *table, const char * map )
4543 /* [HGM] moved here from winboard.c because of its general usefulness */
4544 /* Basically a safe strcpy that uses the last character as King */
4546 int result = FALSE; int NrPieces;
4548 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
4549 && NrPieces >= 12 && !(NrPieces&1)) {
4550 int i; /* [HGM] Accept even length from 12 to 34 */
4552 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
4553 for( i=0; i<NrPieces/2-1; i++ ) {
4555 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
4557 table[(int) WhiteKing] = map[NrPieces/2-1];
4558 table[(int) BlackKing] = map[NrPieces-1];
4566 void Prelude(Board board)
4567 { // [HGM] superchess: random selection of exo-pieces
4568 int i, j, k; ChessSquare p;
4569 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
4571 GetPositionNumber(); // use FRC position number
4573 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
4574 SetCharTable(pieceToChar, appData.pieceToCharTable);
4575 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
4576 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
4579 j = seed%4; seed /= 4;
4580 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
4581 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
4582 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
4583 j = seed%3 + (seed%3 >= j); seed /= 3;
4584 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
4585 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
4586 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
4587 j = seed%3; seed /= 3;
4588 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
4589 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
4590 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
4591 j = seed%2 + (seed%2 >= j); seed /= 2;
4592 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
4593 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
4594 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
4595 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
4596 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
4597 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
4598 put(board, exoPieces[0], 0, 0, ANY);
4599 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
4603 InitPosition(redraw)
4606 ChessSquare (* pieces)[BOARD_SIZE];
4607 int i, j, pawnRow, overrule,
4608 oldx = gameInfo.boardWidth,
4609 oldy = gameInfo.boardHeight,
4610 oldh = gameInfo.holdingsWidth,
4611 oldv = gameInfo.variant;
4613 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
4615 /* [AS] Initialize pv info list [HGM] and game status */
4617 for( i=0; i<MAX_MOVES; i++ ) {
4618 pvInfoList[i].depth = 0;
4619 epStatus[i]=EP_NONE;
4620 for( j=0; j<BOARD_SIZE; j++ ) castlingRights[i][j] = -1;
4623 initialRulePlies = 0; /* 50-move counter start */
4625 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
4626 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
4630 /* [HGM] logic here is completely changed. In stead of full positions */
4631 /* the initialized data only consist of the two backranks. The switch */
4632 /* selects which one we will use, which is than copied to the Board */
4633 /* initialPosition, which for the rest is initialized by Pawns and */
4634 /* empty squares. This initial position is then copied to boards[0], */
4635 /* possibly after shuffling, so that it remains available. */
4637 gameInfo.holdingsWidth = 0; /* default board sizes */
4638 gameInfo.boardWidth = 8;
4639 gameInfo.boardHeight = 8;
4640 gameInfo.holdingsSize = 0;
4641 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
4642 for(i=0; i<BOARD_SIZE; i++) initialRights[i] = -1; /* but no rights yet */
4643 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
4645 switch (gameInfo.variant) {
4646 case VariantFischeRandom:
4647 shuffleOpenings = TRUE;
4651 case VariantShatranj:
4652 pieces = ShatranjArray;
4653 nrCastlingRights = 0;
4654 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
4656 case VariantTwoKings:
4657 pieces = twoKingsArray;
4659 case VariantCapaRandom:
4660 shuffleOpenings = TRUE;
4661 case VariantCapablanca:
4662 pieces = CapablancaArray;
4663 gameInfo.boardWidth = 10;
4664 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
4667 pieces = GothicArray;
4668 gameInfo.boardWidth = 10;
4669 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
4672 pieces = JanusArray;
4673 gameInfo.boardWidth = 10;
4674 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
4675 nrCastlingRights = 6;
4676 castlingRights[0][0] = initialRights[0] = BOARD_RGHT-1;
4677 castlingRights[0][1] = initialRights[1] = BOARD_LEFT;
4678 castlingRights[0][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
4679 castlingRights[0][3] = initialRights[3] = BOARD_RGHT-1;
4680 castlingRights[0][4] = initialRights[4] = BOARD_LEFT;
4681 castlingRights[0][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
4684 pieces = FalconArray;
4685 gameInfo.boardWidth = 10;
4686 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
4688 case VariantXiangqi:
4689 pieces = XiangqiArray;
4690 gameInfo.boardWidth = 9;
4691 gameInfo.boardHeight = 10;
4692 nrCastlingRights = 0;
4693 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
4696 pieces = ShogiArray;
4697 gameInfo.boardWidth = 9;
4698 gameInfo.boardHeight = 9;
4699 gameInfo.holdingsSize = 7;
4700 nrCastlingRights = 0;
4701 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
4703 case VariantCourier:
4704 pieces = CourierArray;
4705 gameInfo.boardWidth = 12;
4706 nrCastlingRights = 0;
4707 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
4708 for(i=0; i<BOARD_SIZE; i++) initialRights[i] = -1;
4710 case VariantKnightmate:
4711 pieces = KnightmateArray;
4712 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
4715 pieces = fairyArray;
4716 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVSLUKpnbrqfeacwmohijgdvsluk");
4719 pieces = GreatArray;
4720 gameInfo.boardWidth = 10;
4721 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
4722 gameInfo.holdingsSize = 8;
4726 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
4727 gameInfo.holdingsSize = 8;
4728 startedFromSetupPosition = TRUE;
4730 case VariantCrazyhouse:
4731 case VariantBughouse:
4733 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
4734 gameInfo.holdingsSize = 5;
4736 case VariantWildCastle:
4738 /* !!?shuffle with kings guaranteed to be on d or e file */
4739 shuffleOpenings = 1;
4741 case VariantNoCastle:
4743 nrCastlingRights = 0;
4744 for(i=0; i<BOARD_SIZE; i++) initialRights[i] = -1;
4745 /* !!?unconstrained back-rank shuffle */
4746 shuffleOpenings = 1;
4751 if(appData.NrFiles >= 0) {
4752 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
4753 gameInfo.boardWidth = appData.NrFiles;
4755 if(appData.NrRanks >= 0) {
4756 gameInfo.boardHeight = appData.NrRanks;
4758 if(appData.holdingsSize >= 0) {
4759 i = appData.holdingsSize;
4760 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
4761 gameInfo.holdingsSize = i;
4763 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
4764 if(BOARD_HEIGHT > BOARD_SIZE || BOARD_WIDTH > BOARD_SIZE)
4765 DisplayFatalError(_("Recompile to support this BOARD_SIZE!"), 0, 2);
4767 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
4768 if(pawnRow < 1) pawnRow = 1;
4770 /* User pieceToChar list overrules defaults */
4771 if(appData.pieceToCharTable != NULL)
4772 SetCharTable(pieceToChar, appData.pieceToCharTable);
4774 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
4776 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
4777 s = (ChessSquare) 0; /* account holding counts in guard band */
4778 for( i=0; i<BOARD_HEIGHT; i++ )
4779 initialPosition[i][j] = s;
4781 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
4782 initialPosition[0][j] = pieces[0][j-gameInfo.holdingsWidth];
4783 initialPosition[pawnRow][j] = WhitePawn;
4784 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = BlackPawn;
4785 if(gameInfo.variant == VariantXiangqi) {
4787 initialPosition[pawnRow][j] =
4788 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
4789 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
4790 initialPosition[2][j] = WhiteCannon;
4791 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
4795 initialPosition[BOARD_HEIGHT-1][j] = pieces[1][j-gameInfo.holdingsWidth];
4797 if( (gameInfo.variant == VariantShogi) && !overrule ) {
4800 initialPosition[1][j] = WhiteBishop;
4801 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
4803 initialPosition[1][j] = WhiteRook;
4804 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
4807 if( nrCastlingRights == -1) {
4808 /* [HGM] Build normal castling rights (must be done after board sizing!) */
4809 /* This sets default castling rights from none to normal corners */
4810 /* Variants with other castling rights must set them themselves above */
4811 nrCastlingRights = 6;
4813 castlingRights[0][0] = initialRights[0] = BOARD_RGHT-1;
4814 castlingRights[0][1] = initialRights[1] = BOARD_LEFT;
4815 castlingRights[0][2] = initialRights[2] = BOARD_WIDTH>>1;
4816 castlingRights[0][3] = initialRights[3] = BOARD_RGHT-1;
4817 castlingRights[0][4] = initialRights[4] = BOARD_LEFT;
4818 castlingRights[0][5] = initialRights[5] = BOARD_WIDTH>>1;
4821 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
4822 if(gameInfo.variant == VariantGreat) { // promotion commoners
4823 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
4824 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
4825 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
4826 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
4828 if (appData.debugMode) {
4829 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
4831 if(shuffleOpenings) {
4832 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
4833 startedFromSetupPosition = TRUE;
4835 if(startedFromPositionFile) {
4836 /* [HGM] loadPos: use PositionFile for every new game */
4837 CopyBoard(initialPosition, filePosition);
4838 for(i=0; i<nrCastlingRights; i++)
4839 castlingRights[0][i] = initialRights[i] = fileRights[i];
4840 startedFromSetupPosition = TRUE;
4843 CopyBoard(boards[0], initialPosition);
4845 if(oldx != gameInfo.boardWidth ||
4846 oldy != gameInfo.boardHeight ||
4847 oldh != gameInfo.holdingsWidth
4849 || oldv == VariantGothic || // For licensing popups
4850 gameInfo.variant == VariantGothic
4853 || oldv == VariantFalcon ||
4854 gameInfo.variant == VariantFalcon
4857 InitDrawingSizes(-2 ,0);
4860 DrawPosition(TRUE, boards[currentMove]);
4864 SendBoard(cps, moveNum)
4865 ChessProgramState *cps;
4868 char message[MSG_SIZ];
4870 if (cps->useSetboard) {
4871 char* fen = PositionToFEN(moveNum, cps->fenOverride);
4872 sprintf(message, "setboard %s\n", fen);
4873 SendToProgram(message, cps);
4879 /* Kludge to set black to move, avoiding the troublesome and now
4880 * deprecated "black" command.
4882 if (!WhiteOnMove(moveNum)) SendToProgram("a2a3\n", cps);
4884 SendToProgram("edit\n", cps);
4885 SendToProgram("#\n", cps);
4886 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
4887 bp = &boards[moveNum][i][BOARD_LEFT];
4888 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
4889 if ((int) *bp < (int) BlackPawn) {
4890 sprintf(message, "%c%c%c\n", PieceToChar(*bp),
4892 if(message[0] == '+' || message[0] == '~') {
4893 sprintf(message, "%c%c%c+\n",
4894 PieceToChar((ChessSquare)(DEMOTED *bp)),
4897 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
4898 message[1] = BOARD_RGHT - 1 - j + '1';
4899 message[2] = BOARD_HEIGHT - 1 - i + 'a';
4901 SendToProgram(message, cps);
4906 SendToProgram("c\n", cps);
4907 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
4908 bp = &boards[moveNum][i][BOARD_LEFT];
4909 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
4910 if (((int) *bp != (int) EmptySquare)
4911 && ((int) *bp >= (int) BlackPawn)) {
4912 sprintf(message, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
4914 if(message[0] == '+' || message[0] == '~') {
4915 sprintf(message, "%c%c%c+\n",
4916 PieceToChar((ChessSquare)(DEMOTED *bp)),
4919 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
4920 message[1] = BOARD_RGHT - 1 - j + '1';
4921 message[2] = BOARD_HEIGHT - 1 - i + 'a';
4923 SendToProgram(message, cps);
4928 SendToProgram(".\n", cps);
4930 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
4934 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice)
4936 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
4937 /* [HGM] add Shogi promotions */
4938 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
4943 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
4944 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
4946 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
4947 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
4950 piece = boards[currentMove][fromY][fromX];
4951 if(gameInfo.variant == VariantShogi) {
4952 promotionZoneSize = 3;
4953 highestPromotingPiece = (int)WhiteFerz;
4956 // next weed out all moves that do not touch the promotion zone at all
4957 if((int)piece >= BlackPawn) {
4958 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
4960 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
4962 if( toY < BOARD_HEIGHT - promotionZoneSize &&
4963 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
4966 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
4968 // weed out mandatory Shogi promotions
4969 if(gameInfo.variant == VariantShogi) {
4970 if(piece >= BlackPawn) {
4971 if(toY == 0 && piece == BlackPawn ||
4972 toY == 0 && piece == BlackQueen ||
4973 toY <= 1 && piece == BlackKnight) {
4978 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
4979 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
4980 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
4987 // weed out obviously illegal Pawn moves
4988 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
4989 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
4990 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
4991 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
4992 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
4993 // note we are not allowed to test for valid (non-)capture, due to premove
4996 // we either have a choice what to promote to, or (in Shogi) whether to promote
4997 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier) {
4998 *promoChoice = PieceToChar(BlackFerz); // no choice
5001 if(appData.alwaysPromoteToQueen) { // predetermined
5002 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantLosers)
5003 *promoChoice = PieceToChar(BlackKing); // in Suicide Q is the last thing we want
5004 else *promoChoice = PieceToChar(BlackQueen);
5008 // suppress promotion popup on illegal moves that are not premoves
5009 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
5010 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
5011 if(appData.testLegality && !premove) {
5012 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5013 epStatus[currentMove], castlingRights[currentMove],
5014 fromY, fromX, toY, toX, NULLCHAR);
5015 if(moveType != WhitePromotionQueen && moveType != BlackPromotionQueen &&
5016 moveType != WhitePromotionKnight && moveType != BlackPromotionKnight)
5024 InPalace(row, column)
5026 { /* [HGM] for Xiangqi */
5027 if( (row < 3 || row > BOARD_HEIGHT-4) &&
5028 column < (BOARD_WIDTH + 4)/2 &&
5029 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
5034 PieceForSquare (x, y)
5038 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
5041 return boards[currentMove][y][x];
5045 OKToStartUserMove(x, y)
5048 ChessSquare from_piece;
5051 if (matchMode) return FALSE;
5052 if (gameMode == EditPosition) return TRUE;
5054 if (x >= 0 && y >= 0)
5055 from_piece = boards[currentMove][y][x];
5057 from_piece = EmptySquare;
5059 if (from_piece == EmptySquare) return FALSE;
5061 white_piece = (int)from_piece >= (int)WhitePawn &&
5062 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
5065 case PlayFromGameFile:
5067 case TwoMachinesPlay:
5075 case MachinePlaysWhite:
5076 case IcsPlayingBlack:
5077 if (appData.zippyPlay) return FALSE;
5079 DisplayMoveError(_("You are playing Black"));
5084 case MachinePlaysBlack:
5085 case IcsPlayingWhite:
5086 if (appData.zippyPlay) return FALSE;
5088 DisplayMoveError(_("You are playing White"));
5094 if (!white_piece && WhiteOnMove(currentMove)) {
5095 DisplayMoveError(_("It is White's turn"));
5098 if (white_piece && !WhiteOnMove(currentMove)) {
5099 DisplayMoveError(_("It is Black's turn"));
5102 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
5103 /* Editing correspondence game history */
5104 /* Could disallow this or prompt for confirmation */
5107 if (currentMove < forwardMostMove) {
5108 /* Discarding moves */
5109 /* Could prompt for confirmation here,
5110 but I don't think that's such a good idea */
5111 forwardMostMove = currentMove;
5115 case BeginningOfGame:
5116 if (appData.icsActive) return FALSE;
5117 if (!appData.noChessProgram) {
5119 DisplayMoveError(_("You are playing White"));
5126 if (!white_piece && WhiteOnMove(currentMove)) {
5127 DisplayMoveError(_("It is White's turn"));
5130 if (white_piece && !WhiteOnMove(currentMove)) {
5131 DisplayMoveError(_("It is Black's turn"));
5140 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
5141 && gameMode != AnalyzeFile && gameMode != Training) {
5142 DisplayMoveError(_("Displayed position is not current"));
5148 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
5149 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
5150 int lastLoadGameUseList = FALSE;
5151 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
5152 ChessMove lastLoadGameStart = (ChessMove) 0;
5155 UserMoveTest(fromX, fromY, toX, toY, promoChar, captureOwn)
5156 int fromX, fromY, toX, toY;
5161 ChessSquare pdown, pup;
5163 /* Check if the user is playing in turn. This is complicated because we
5164 let the user "pick up" a piece before it is his turn. So the piece he
5165 tried to pick up may have been captured by the time he puts it down!
5166 Therefore we use the color the user is supposed to be playing in this
5167 test, not the color of the piece that is currently on the starting
5168 square---except in EditGame mode, where the user is playing both
5169 sides; fortunately there the capture race can't happen. (It can
5170 now happen in IcsExamining mode, but that's just too bad. The user
5171 will get a somewhat confusing message in that case.)
5175 case PlayFromGameFile:
5177 case TwoMachinesPlay:
5181 /* We switched into a game mode where moves are not accepted,
5182 perhaps while the mouse button was down. */
5183 return ImpossibleMove;
5185 case MachinePlaysWhite:
5186 /* User is moving for Black */
5187 if (WhiteOnMove(currentMove)) {
5188 DisplayMoveError(_("It is White's turn"));
5189 return ImpossibleMove;
5193 case MachinePlaysBlack:
5194 /* User is moving for White */
5195 if (!WhiteOnMove(currentMove)) {
5196 DisplayMoveError(_("It is Black's turn"));
5197 return ImpossibleMove;
5203 case BeginningOfGame:
5206 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
5207 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
5208 /* User is moving for Black */
5209 if (WhiteOnMove(currentMove)) {
5210 DisplayMoveError(_("It is White's turn"));
5211 return ImpossibleMove;
5214 /* User is moving for White */
5215 if (!WhiteOnMove(currentMove)) {
5216 DisplayMoveError(_("It is Black's turn"));
5217 return ImpossibleMove;
5222 case IcsPlayingBlack:
5223 /* User is moving for Black */
5224 if (WhiteOnMove(currentMove)) {
5225 if (!appData.premove) {
5226 DisplayMoveError(_("It is White's turn"));
5227 } else if (toX >= 0 && toY >= 0) {
5230 premoveFromX = fromX;
5231 premoveFromY = fromY;
5232 premovePromoChar = promoChar;
5234 if (appData.debugMode)
5235 fprintf(debugFP, "Got premove: fromX %d,"
5236 "fromY %d, toX %d, toY %d\n",
5237 fromX, fromY, toX, toY);
5239 return ImpossibleMove;
5243 case IcsPlayingWhite:
5244 /* User is moving for White */
5245 if (!WhiteOnMove(currentMove)) {
5246 if (!appData.premove) {
5247 DisplayMoveError(_("It is Black's turn"));
5248 } else if (toX >= 0 && toY >= 0) {
5251 premoveFromX = fromX;
5252 premoveFromY = fromY;
5253 premovePromoChar = promoChar;
5255 if (appData.debugMode)
5256 fprintf(debugFP, "Got premove: fromX %d,"
5257 "fromY %d, toX %d, toY %d\n",
5258 fromX, fromY, toX, toY);
5260 return ImpossibleMove;
5268 /* EditPosition, empty square, or different color piece;
5269 click-click move is possible */
5270 if (toX == -2 || toY == -2) {
5271 boards[0][fromY][fromX] = EmptySquare;
5272 return AmbiguousMove;
5273 } else if (toX >= 0 && toY >= 0) {
5274 boards[0][toY][toX] = boards[0][fromY][fromX];
5275 boards[0][fromY][fromX] = EmptySquare;
5276 return AmbiguousMove;
5278 return ImpossibleMove;
5281 if(toX < 0 || toY < 0) return ImpossibleMove;
5282 pdown = boards[currentMove][fromY][fromX];
5283 pup = boards[currentMove][toY][toX];
5285 /* [HGM] If move started in holdings, it means a drop */
5286 if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) {
5287 if( pup != EmptySquare ) return ImpossibleMove;
5288 if(appData.testLegality) {
5289 /* it would be more logical if LegalityTest() also figured out
5290 * which drops are legal. For now we forbid pawns on back rank.
5291 * Shogi is on its own here...
5293 if( (pdown == WhitePawn || pdown == BlackPawn) &&
5294 (toY == 0 || toY == BOARD_HEIGHT -1 ) )
5295 return(ImpossibleMove); /* no pawn drops on 1st/8th */
5297 return WhiteDrop; /* Not needed to specify white or black yet */
5300 userOfferedDraw = FALSE;
5302 /* [HGM] always test for legality, to get promotion info */
5303 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5304 epStatus[currentMove], castlingRights[currentMove],
5305 fromY, fromX, toY, toX, promoChar);
5306 /* [HGM] but possibly ignore an IllegalMove result */
5307 if (appData.testLegality) {
5308 if (moveType == IllegalMove || moveType == ImpossibleMove) {
5309 DisplayMoveError(_("Illegal move"));
5310 return ImpossibleMove;
5315 /* [HGM] <popupFix> in stead of calling FinishMove directly, this
5316 function is made into one that returns an OK move type if FinishMove
5317 should be called. This to give the calling driver routine the
5318 opportunity to finish the userMove input with a promotion popup,
5319 without bothering the user with this for invalid or illegal moves */
5321 /* FinishMove(moveType, fromX, fromY, toX, toY, promoChar); */
5324 /* Common tail of UserMoveEvent and DropMenuEvent */
5326 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
5328 int fromX, fromY, toX, toY;
5329 /*char*/int promoChar;
5333 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR) {
5334 // [HGM] superchess: suppress promotions to non-available piece
5335 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
5336 if(WhiteOnMove(currentMove)) {
5337 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
5339 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
5343 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
5344 move type in caller when we know the move is a legal promotion */
5345 if(moveType == NormalMove && promoChar)
5346 moveType = PromoCharToMoveType(WhiteOnMove(currentMove), promoChar);
5348 /* [HGM] convert drag-and-drop piece drops to standard form */
5349 if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) {
5350 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
5351 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
5352 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
5353 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
5354 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
5355 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
5356 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
5360 /* [HGM] <popupFix> The following if has been moved here from
5361 UserMoveEvent(). Because it seemed to belong here (why not allow
5362 piece drops in training games?), and because it can only be
5363 performed after it is known to what we promote. */
5364 if (gameMode == Training) {
5365 /* compare the move played on the board to the next move in the
5366 * game. If they match, display the move and the opponent's response.
5367 * If they don't match, display an error message.
5370 Board testBoard; char testRights[BOARD_SIZE]; char testStatus;
5371 CopyBoard(testBoard, boards[currentMove]);
5372 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard, testRights, &testStatus);
5374 if (CompareBoards(testBoard, boards[currentMove+1])) {
5375 ForwardInner(currentMove+1);
5377 /* Autoplay the opponent's response.
5378 * if appData.animate was TRUE when Training mode was entered,
5379 * the response will be animated.
5381 saveAnimate = appData.animate;
5382 appData.animate = animateTraining;
5383 ForwardInner(currentMove+1);
5384 appData.animate = saveAnimate;
5386 /* check for the end of the game */
5387 if (currentMove >= forwardMostMove) {
5388 gameMode = PlayFromGameFile;
5390 SetTrainingModeOff();
5391 DisplayInformation(_("End of game"));
5394 DisplayError(_("Incorrect move"), 0);
5399 /* Ok, now we know that the move is good, so we can kill
5400 the previous line in Analysis Mode */
5401 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5402 forwardMostMove = currentMove;
5405 /* If we need the chess program but it's dead, restart it */
5406 ResurrectChessProgram();
5408 /* A user move restarts a paused game*/
5412 thinkOutput[0] = NULLCHAR;
5414 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
5416 if (gameMode == BeginningOfGame) {
5417 if (appData.noChessProgram) {
5418 gameMode = EditGame;
5422 gameMode = MachinePlaysBlack;
5425 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
5427 if (first.sendName) {
5428 sprintf(buf, "name %s\n", gameInfo.white);
5429 SendToProgram(buf, &first);
5436 /* Relay move to ICS or chess engine */
5437 if (appData.icsActive) {
5438 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
5439 gameMode == IcsExamining) {
5440 SendMoveToICS(moveType, fromX, fromY, toX, toY);
5444 if (first.sendTime && (gameMode == BeginningOfGame ||
5445 gameMode == MachinePlaysWhite ||
5446 gameMode == MachinePlaysBlack)) {
5447 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
5449 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
5450 // [HGM] book: if program might be playing, let it use book
5451 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
5452 first.maybeThinking = TRUE;
5453 } else SendMoveToProgram(forwardMostMove-1, &first);
5454 if (currentMove == cmailOldMove + 1) {
5455 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
5459 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
5463 switch (MateTest(boards[currentMove], PosFlags(currentMove),
5464 EP_UNKNOWN, castlingRights[currentMove]) ) {
5470 if (WhiteOnMove(currentMove)) {
5471 GameEnds(BlackWins, "Black mates", GE_PLAYER);
5473 GameEnds(WhiteWins, "White mates", GE_PLAYER);
5477 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
5482 case MachinePlaysBlack:
5483 case MachinePlaysWhite:
5484 /* disable certain menu options while machine is thinking */
5485 SetMachineThinkingEnables();
5492 if(bookHit) { // [HGM] book: simulate book reply
5493 static char bookMove[MSG_SIZ]; // a bit generous?
5495 programStats.nodes = programStats.depth = programStats.time =
5496 programStats.score = programStats.got_only_move = 0;
5497 sprintf(programStats.movelist, "%s (xbook)", bookHit);
5499 strcpy(bookMove, "move ");
5500 strcat(bookMove, bookHit);
5501 HandleMachineMove(bookMove, &first);
5507 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
5508 int fromX, fromY, toX, toY;
5511 /* [HGM] This routine was added to allow calling of its two logical
5512 parts from other modules in the old way. Before, UserMoveEvent()
5513 automatically called FinishMove() if the move was OK, and returned
5514 otherwise. I separated the two, in order to make it possible to
5515 slip a promotion popup in between. But that it always needs two
5516 calls, to the first part, (now called UserMoveTest() ), and to
5517 FinishMove if the first part succeeded. Calls that do not need
5518 to do anything in between, can call this routine the old way.
5520 ChessMove moveType = UserMoveTest(fromX, fromY, toX, toY, promoChar, FALSE);
5521 if(appData.debugMode) fprintf(debugFP, "moveType 4 = %d, promochar = %x\n", moveType, promoChar);
5522 if(moveType == AmbiguousMove)
5523 DrawPosition(FALSE, boards[currentMove]);
5524 else if(moveType != ImpossibleMove && moveType != Comment)
5525 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
5528 void LeftClick(ClickType clickType, int xPix, int yPix)
5531 Boolean saveAnimate;
5532 static int second = 0, promotionChoice = 0;
5533 char promoChoice = NULLCHAR;
5535 if (clickType == Press) ErrorPopDown();
5537 x = EventToSquare(xPix, BOARD_WIDTH);
5538 y = EventToSquare(yPix, BOARD_HEIGHT);
5539 if (!flipView && y >= 0) {
5540 y = BOARD_HEIGHT - 1 - y;
5542 if (flipView && x >= 0) {
5543 x = BOARD_WIDTH - 1 - x;
5546 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
5547 if(clickType == Release) return; // ignore upclick of click-click destination
5548 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
5549 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
5550 if(gameInfo.holdingsWidth &&
5551 (WhiteOnMove(currentMove)
5552 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y > 0
5553 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT-1) ) {
5554 // click in right holdings, for determining promotion piece
5555 ChessSquare p = boards[currentMove][y][x];
5556 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
5557 if(p != EmptySquare) {
5558 FinishMove(NormalMove, fromX, fromY, toX, toY, ToLower(PieceToChar(p)));
5563 DrawPosition(FALSE, boards[currentMove]);
5567 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
5568 if(clickType == Press
5569 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
5570 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
5571 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
5575 if (clickType == Press) {
5577 if (OKToStartUserMove(x, y)) {
5581 DragPieceBegin(xPix, yPix);
5582 if (appData.highlightDragging) {
5583 SetHighlights(x, y, -1, -1);
5591 if (clickType == Press && gameMode != EditPosition) {
5596 // ignore off-board to clicks
5597 if(y < 0 || x < 0) return;
5599 /* Check if clicking again on the same color piece */
5600 fromP = boards[currentMove][fromY][fromX];
5601 toP = boards[currentMove][y][x];
5602 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom;
5603 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
5604 WhitePawn <= toP && toP <= WhiteKing &&
5605 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
5606 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
5607 (BlackPawn <= fromP && fromP <= BlackKing &&
5608 BlackPawn <= toP && toP <= BlackKing &&
5609 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
5610 !(fromP == BlackKing && toP == BlackRook && frc))) {
5611 /* Clicked again on same color piece -- changed his mind */
5612 second = (x == fromX && y == fromY);
5613 if (appData.highlightDragging) {
5614 SetHighlights(x, y, -1, -1);
5618 if (OKToStartUserMove(x, y)) {
5621 DragPieceBegin(xPix, yPix);
5625 // ignore clicks on holdings
5626 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
5629 if (clickType == Release && x == fromX && y == fromY) {
5630 DragPieceEnd(xPix, yPix);
5631 if (appData.animateDragging) {
5632 /* Undo animation damage if any */
5633 DrawPosition(FALSE, NULL);
5636 /* Second up/down in same square; just abort move */
5641 ClearPremoveHighlights();
5643 /* First upclick in same square; start click-click mode */
5644 SetHighlights(x, y, -1, -1);
5649 /* we now have a different from- and (possibly off-board) to-square */
5650 /* Completed move */
5653 saveAnimate = appData.animate;
5654 if (clickType == Press) {
5655 /* Finish clickclick move */
5656 if (appData.animate || appData.highlightLastMove) {
5657 SetHighlights(fromX, fromY, toX, toY);
5662 /* Finish drag move */
5663 if (appData.highlightLastMove) {
5664 SetHighlights(fromX, fromY, toX, toY);
5668 DragPieceEnd(xPix, yPix);
5669 /* Don't animate move and drag both */
5670 appData.animate = FALSE;
5673 // moves into holding are invalid for now (later perhaps allow in EditPosition)
5674 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
5677 DrawPosition(TRUE, NULL);
5681 // off-board moves should not be highlighted
5682 if(x < 0 || x < 0) ClearHighlights();
5684 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
5685 SetHighlights(fromX, fromY, toX, toY);
5686 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
5687 // [HGM] super: promotion to captured piece selected from holdings
5688 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
5689 promotionChoice = TRUE;
5690 // kludge follows to temporarily execute move on display, without promoting yet
5691 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
5692 boards[currentMove][toY][toX] = p;
5693 DrawPosition(FALSE, boards[currentMove]);
5694 boards[currentMove][fromY][fromX] = p; // take back, but display stays
5695 boards[currentMove][toY][toX] = q;
5696 DisplayMessage("Click in holdings to choose piece", "");
5701 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
5702 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
5703 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
5706 appData.animate = saveAnimate;
5707 if (appData.animate || appData.animateDragging) {
5708 /* Undo animation damage if needed */
5709 DrawPosition(FALSE, NULL);
5713 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
5715 // char * hint = lastHint;
5716 FrontEndProgramStats stats;
5718 stats.which = cps == &first ? 0 : 1;
5719 stats.depth = cpstats->depth;
5720 stats.nodes = cpstats->nodes;
5721 stats.score = cpstats->score;
5722 stats.time = cpstats->time;
5723 stats.pv = cpstats->movelist;
5724 stats.hint = lastHint;
5725 stats.an_move_index = 0;
5726 stats.an_move_count = 0;
5728 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
5729 stats.hint = cpstats->move_name;
5730 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
5731 stats.an_move_count = cpstats->nr_moves;
5734 SetProgramStats( &stats );
5737 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
5738 { // [HGM] book: this routine intercepts moves to simulate book replies
5739 char *bookHit = NULL;
5741 //first determine if the incoming move brings opponent into his book
5742 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
5743 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
5744 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
5745 if(bookHit != NULL && !cps->bookSuspend) {
5746 // make sure opponent is not going to reply after receiving move to book position
5747 SendToProgram("force\n", cps);
5748 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
5750 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
5751 // now arrange restart after book miss
5753 // after a book hit we never send 'go', and the code after the call to this routine
5754 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
5756 if (cps->useUsermove) sprintf(buf, "usermove "); // sorry, no SAN yet :(
5757 sprintf(buf, "%s\n", bookHit); // force book move into program supposed to play it
5758 SendToProgram(buf, cps);
5759 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
5760 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
5761 SendToProgram("go\n", cps);
5762 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
5763 } else { // 'go' might be sent based on 'firstMove' after this routine returns
5764 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
5765 SendToProgram("go\n", cps);
5766 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
5768 return bookHit; // notify caller of hit, so it can take action to send move to opponent
5772 ChessProgramState *savedState;
5773 void DeferredBookMove(void)
5775 if(savedState->lastPing != savedState->lastPong)
5776 ScheduleDelayedEvent(DeferredBookMove, 10);
5778 HandleMachineMove(savedMessage, savedState);
5782 HandleMachineMove(message, cps)
5784 ChessProgramState *cps;
5786 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
5787 char realname[MSG_SIZ];
5788 int fromX, fromY, toX, toY;
5795 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
5797 * Kludge to ignore BEL characters
5799 while (*message == '\007') message++;
5802 * [HGM] engine debug message: ignore lines starting with '#' character
5804 if(cps->debug && *message == '#') return;
5807 * Look for book output
5809 if (cps == &first && bookRequested) {
5810 if (message[0] == '\t' || message[0] == ' ') {
5811 /* Part of the book output is here; append it */
5812 strcat(bookOutput, message);
5813 strcat(bookOutput, " \n");
5815 } else if (bookOutput[0] != NULLCHAR) {
5816 /* All of book output has arrived; display it */
5817 char *p = bookOutput;
5818 while (*p != NULLCHAR) {
5819 if (*p == '\t') *p = ' ';
5822 DisplayInformation(bookOutput);
5823 bookRequested = FALSE;
5824 /* Fall through to parse the current output */
5829 * Look for machine move.
5831 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
5832 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
5834 /* This method is only useful on engines that support ping */
5835 if (cps->lastPing != cps->lastPong) {
5836 if (gameMode == BeginningOfGame) {
5837 /* Extra move from before last new; ignore */
5838 if (appData.debugMode) {
5839 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
5842 if (appData.debugMode) {
5843 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
5844 cps->which, gameMode);
5847 SendToProgram("undo\n", cps);
5853 case BeginningOfGame:
5854 /* Extra move from before last reset; ignore */
5855 if (appData.debugMode) {
5856 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
5863 /* Extra move after we tried to stop. The mode test is
5864 not a reliable way of detecting this problem, but it's
5865 the best we can do on engines that don't support ping.
5867 if (appData.debugMode) {
5868 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
5869 cps->which, gameMode);
5871 SendToProgram("undo\n", cps);
5874 case MachinePlaysWhite:
5875 case IcsPlayingWhite:
5876 machineWhite = TRUE;
5879 case MachinePlaysBlack:
5880 case IcsPlayingBlack:
5881 machineWhite = FALSE;
5884 case TwoMachinesPlay:
5885 machineWhite = (cps->twoMachinesColor[0] == 'w');
5888 if (WhiteOnMove(forwardMostMove) != machineWhite) {
5889 if (appData.debugMode) {
5891 "Ignoring move out of turn by %s, gameMode %d"
5892 ", forwardMost %d\n",
5893 cps->which, gameMode, forwardMostMove);
5898 if (appData.debugMode) { int f = forwardMostMove;
5899 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
5900 castlingRights[f][0],castlingRights[f][1],castlingRights[f][2],castlingRights[f][3],castlingRights[f][4],castlingRights[f][5]);
5902 if(cps->alphaRank) AlphaRank(machineMove, 4);
5903 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
5904 &fromX, &fromY, &toX, &toY, &promoChar)) {
5905 /* Machine move could not be parsed; ignore it. */
5906 sprintf(buf1, _("Illegal move \"%s\" from %s machine"),
5907 machineMove, cps->which);
5908 DisplayError(buf1, 0);
5909 sprintf(buf1, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
5910 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
5911 if (gameMode == TwoMachinesPlay) {
5912 GameEnds(machineWhite ? BlackWins : WhiteWins,
5918 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
5919 /* So we have to redo legality test with true e.p. status here, */
5920 /* to make sure an illegal e.p. capture does not slip through, */
5921 /* to cause a forfeit on a justified illegal-move complaint */
5922 /* of the opponent. */
5923 if( gameMode==TwoMachinesPlay && appData.testLegality
5924 && fromY != DROP_RANK /* [HGM] temporary; should still add legality test for drops */
5927 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
5928 epStatus[forwardMostMove], castlingRights[forwardMostMove],
5929 fromY, fromX, toY, toX, promoChar);
5930 if (appData.debugMode) {
5932 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
5933 castlingRights[forwardMostMove][i], castlingRank[i]);
5934 fprintf(debugFP, "castling rights\n");
5936 if(moveType == IllegalMove) {
5937 sprintf(buf1, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
5938 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
5939 GameEnds(machineWhite ? BlackWins : WhiteWins,
5942 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
5943 /* [HGM] Kludge to handle engines that send FRC-style castling
5944 when they shouldn't (like TSCP-Gothic) */
5946 case WhiteASideCastleFR:
5947 case BlackASideCastleFR:
5949 currentMoveString[2]++;
5951 case WhiteHSideCastleFR:
5952 case BlackHSideCastleFR:
5954 currentMoveString[2]--;
5956 default: ; // nothing to do, but suppresses warning of pedantic compilers
5959 hintRequested = FALSE;
5960 lastHint[0] = NULLCHAR;
5961 bookRequested = FALSE;
5962 /* Program may be pondering now */
5963 cps->maybeThinking = TRUE;
5964 if (cps->sendTime == 2) cps->sendTime = 1;
5965 if (cps->offeredDraw) cps->offeredDraw--;
5968 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
5970 SendMoveToICS(moveType, fromX, fromY, toX, toY);
5972 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
5973 char buf[3*MSG_SIZ];
5975 sprintf(buf, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
5976 programStats.score / 100.,
5978 programStats.time / 100.,
5979 (unsigned int)programStats.nodes,
5980 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
5981 programStats.movelist);
5983 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
5987 /* currentMoveString is set as a side-effect of ParseOneMove */
5988 strcpy(machineMove, currentMoveString);
5989 strcat(machineMove, "\n");
5990 strcpy(moveList[forwardMostMove], machineMove);
5992 /* [AS] Save move info and clear stats for next move */
5993 pvInfoList[ forwardMostMove ].score = programStats.score;
5994 pvInfoList[ forwardMostMove ].depth = programStats.depth;
5995 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
5996 ClearProgramStats();
5997 thinkOutput[0] = NULLCHAR;
5998 hiddenThinkOutputState = 0;
6000 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
6002 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
6003 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
6006 while( count < adjudicateLossPlies ) {
6007 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
6010 score = -score; /* Flip score for winning side */
6013 if( score > adjudicateLossThreshold ) {
6020 if( count >= adjudicateLossPlies ) {
6021 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6023 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6024 "Xboard adjudication",
6031 if( gameMode == TwoMachinesPlay ) {
6032 // [HGM] some adjudications useful with buggy engines
6033 int k, count = 0, epFile = epStatus[forwardMostMove]; static int bare = 1;
6034 if(gameInfo.holdingsSize == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6037 if( appData.testLegality )
6038 { /* [HGM] Some more adjudications for obstinate engines */
6039 int NrWN=0, NrBN=0, NrWB=0, NrBB=0, NrWR=0, NrBR=0,
6040 NrWQ=0, NrBQ=0, NrW=0, NrK=0, bishopsColor = 0,
6041 NrPieces=0, NrPawns=0, PawnAdvance=0, i, j;
6042 static int moveCount = 6;
6044 char *reason = NULL;
6046 /* Count what is on board. */
6047 for(i=0; i<BOARD_HEIGHT; i++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
6048 { ChessSquare p = boards[forwardMostMove][i][j];
6052 { /* count B,N,R and other of each side */
6055 NrK++; break; // [HGM] atomic: count Kings
6059 case WhiteFerz: // [HGM] shatranj: kludge to mke it work in shatranj
6060 bishopsColor |= 1 << ((i^j)&1);
6065 case BlackFerz: // [HGM] shatranj: kludge to mke it work in shatranj
6066 bishopsColor |= 1 << ((i^j)&1);
6081 PawnAdvance += m; NrPawns++;
6083 NrPieces += (p != EmptySquare);
6084 NrW += ((int)p < (int)BlackPawn);
6085 if(gameInfo.variant == VariantXiangqi &&
6086 (p == WhiteFerz || p == WhiteAlfil || p == BlackFerz || p == BlackAlfil)) {
6087 NrPieces--; // [HGM] XQ: do not count purely defensive pieces
6088 NrW -= ((int)p < (int)BlackPawn);
6092 /* Some material-based adjudications that have to be made before stalemate test */
6093 if(gameInfo.variant == VariantAtomic && NrK < 2) {
6094 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
6095 epStatus[forwardMostMove] = EP_CHECKMATE; // make claimable as if stm is checkmated
6096 if(appData.checkMates) {
6097 SendMoveToProgram(forwardMostMove-1, cps->other); // make sure opponent gets move
6098 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6099 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
6100 "Xboard adjudication: King destroyed", GE_XBOARD );
6105 /* Bare King in Shatranj (loses) or Losers (wins) */
6106 if( NrW == 1 || NrPieces - NrW == 1) {
6107 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
6108 epStatus[forwardMostMove] = EP_WINS; // mark as win, so it becomes claimable
6109 if(appData.checkMates) {
6110 SendMoveToProgram(forwardMostMove-1, cps->other); // make sure opponent gets to see move
6111 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6112 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6113 "Xboard adjudication: Bare king", GE_XBOARD );
6117 if( gameInfo.variant == VariantShatranj && --bare < 0)
6119 epStatus[forwardMostMove] = EP_WINS; // make claimable as win for stm
6120 if(appData.checkMates) {
6121 /* but only adjudicate if adjudication enabled */
6122 SendMoveToProgram(forwardMostMove-1, cps->other); // make sure opponent gets move
6123 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6124 GameEnds( NrW > 1 ? WhiteWins : NrPieces - NrW > 1 ? BlackWins : GameIsDrawn,
6125 "Xboard adjudication: Bare king", GE_XBOARD );
6132 // don't wait for engine to announce game end if we can judge ourselves
6133 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove), epFile,
6134 castlingRights[forwardMostMove]) ) {
6136 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
6137 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
6138 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
6139 if(MateTest(boards[i], PosFlags(i), epStatus[i], castlingRights[i]) == MT_CHECK)
6142 reason = "Xboard adjudication: 3rd check";
6143 epStatus[forwardMostMove] = EP_CHECKMATE;
6153 reason = "Xboard adjudication: Stalemate";
6154 if(epStatus[forwardMostMove] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
6155 epStatus[forwardMostMove] = EP_STALEMATE; // default result for stalemate is draw
6156 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
6157 epStatus[forwardMostMove] = EP_WINS; // in these variants stalemated is always a win
6158 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
6159 epStatus[forwardMostMove] = NrW == NrPieces-NrW ? EP_STALEMATE :
6160 ((NrW < NrPieces-NrW) != WhiteOnMove(forwardMostMove) ?
6161 EP_CHECKMATE : EP_WINS);
6162 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
6163 epStatus[forwardMostMove] = EP_CHECKMATE; // and in these variants being stalemated loses
6167 reason = "Xboard adjudication: Checkmate";
6168 epStatus[forwardMostMove] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
6172 switch(i = epStatus[forwardMostMove]) {
6174 result = GameIsDrawn; break;
6176 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
6178 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
6180 result = (ChessMove) 0;
6182 if(appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
6183 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
6184 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6185 GameEnds( result, reason, GE_XBOARD );
6189 /* Next absolutely insufficient mating material. */
6190 if( NrPieces == 2 || gameInfo.variant != VariantXiangqi &&
6191 gameInfo.variant != VariantShatranj && // [HGM] baring will remain possible
6192 (NrPieces == 3 && NrWN+NrBN+NrWB+NrBB == 1 ||
6193 NrPieces == NrBB+NrWB+2 && bishopsColor != 3)) // [HGM] all Bishops (Ferz!) same color
6194 { /* KBK, KNK, KK of KBKB with like Bishops */
6196 /* always flag draws, for judging claims */
6197 epStatus[forwardMostMove] = EP_INSUF_DRAW;
6199 if(appData.materialDraws) {
6200 /* but only adjudicate them if adjudication enabled */
6201 SendToProgram("force\n", cps->other); // suppress reply
6202 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see last move */
6203 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6204 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
6209 /* Then some trivial draws (only adjudicate, cannot be claimed) */
6211 ( NrWR == 1 && NrBR == 1 /* KRKR */
6212 || NrWQ==1 && NrBQ==1 /* KQKQ */
6213 || NrWN==2 || NrBN==2 /* KNNK */
6214 || NrWN+NrWB == 1 && NrBN+NrBB == 1 /* KBKN, KBKB, KNKN */
6216 if(--moveCount < 0 && appData.trivialDraws)
6217 { /* if the first 3 moves do not show a tactical win, declare draw */
6218 SendToProgram("force\n", cps->other); // suppress reply
6219 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
6220 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6221 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
6224 } else moveCount = 6;
6228 /* Check for rep-draws */
6230 for(k = forwardMostMove-2;
6231 k>=backwardMostMove && k>=forwardMostMove-100 &&
6232 epStatus[k] < EP_UNKNOWN &&
6233 epStatus[k+2] <= EP_NONE && epStatus[k+1] <= EP_NONE;
6236 if(CompareBoards(boards[k], boards[forwardMostMove])) {
6237 /* compare castling rights */
6238 if( castlingRights[forwardMostMove][2] != castlingRights[k][2] &&
6239 (castlingRights[k][0] >= 0 || castlingRights[k][1] >= 0) )
6240 rights++; /* King lost rights, while rook still had them */
6241 if( castlingRights[forwardMostMove][2] >= 0 ) { /* king has rights */
6242 if( castlingRights[forwardMostMove][0] != castlingRights[k][0] ||
6243 castlingRights[forwardMostMove][1] != castlingRights[k][1] )
6244 rights++; /* but at least one rook lost them */
6246 if( castlingRights[forwardMostMove][5] != castlingRights[k][5] &&
6247 (castlingRights[k][3] >= 0 || castlingRights[k][4] >= 0) )
6249 if( castlingRights[forwardMostMove][5] >= 0 ) {
6250 if( castlingRights[forwardMostMove][3] != castlingRights[k][3] ||
6251 castlingRights[forwardMostMove][4] != castlingRights[k][4] )
6254 if( rights == 0 && ++count > appData.drawRepeats-2
6255 && appData.drawRepeats > 1) {
6256 /* adjudicate after user-specified nr of repeats */
6257 SendToProgram("force\n", cps->other); // suppress reply
6258 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
6259 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6260 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
6261 // [HGM] xiangqi: check for forbidden perpetuals
6262 int m, ourPerpetual = 1, hisPerpetual = 1;
6263 for(m=forwardMostMove; m>k; m-=2) {
6264 if(MateTest(boards[m], PosFlags(m),
6265 EP_NONE, castlingRights[m]) != MT_CHECK)
6266 ourPerpetual = 0; // the current mover did not always check
6267 if(MateTest(boards[m-1], PosFlags(m-1),
6268 EP_NONE, castlingRights[m-1]) != MT_CHECK)
6269 hisPerpetual = 0; // the opponent did not always check
6271 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
6272 ourPerpetual, hisPerpetual);
6273 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
6274 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6275 "Xboard adjudication: perpetual checking", GE_XBOARD );
6278 if(hisPerpetual && !ourPerpetual) // he is checking us, but did not repeat yet
6279 break; // (or we would have caught him before). Abort repetition-checking loop.
6280 // Now check for perpetual chases
6281 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
6282 hisPerpetual = PerpetualChase(k, forwardMostMove);
6283 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
6284 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
6285 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6286 "Xboard adjudication: perpetual chasing", GE_XBOARD );
6289 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
6290 break; // Abort repetition-checking loop.
6292 // if neither of us is checking or chasing all the time, or both are, it is draw
6294 GameEnds( GameIsDrawn, "Xboard adjudication: repetition draw", GE_XBOARD );
6297 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
6298 epStatus[forwardMostMove] = EP_REP_DRAW;
6302 /* Now we test for 50-move draws. Determine ply count */
6303 count = forwardMostMove;
6304 /* look for last irreversble move */
6305 while( epStatus[count] <= EP_NONE && count > backwardMostMove )
6307 /* if we hit starting position, add initial plies */
6308 if( count == backwardMostMove )
6309 count -= initialRulePlies;
6310 count = forwardMostMove - count;
6312 epStatus[forwardMostMove] = EP_RULE_DRAW;
6313 /* this is used to judge if draw claims are legal */
6314 if(appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
6315 SendToProgram("force\n", cps->other); // suppress reply
6316 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
6317 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6318 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
6322 /* if draw offer is pending, treat it as a draw claim
6323 * when draw condition present, to allow engines a way to
6324 * claim draws before making their move to avoid a race
6325 * condition occurring after their move
6327 if( cps->other->offeredDraw || cps->offeredDraw ) {
6329 if(epStatus[forwardMostMove] == EP_RULE_DRAW)
6330 p = "Draw claim: 50-move rule";
6331 if(epStatus[forwardMostMove] == EP_REP_DRAW)
6332 p = "Draw claim: 3-fold repetition";
6333 if(epStatus[forwardMostMove] == EP_INSUF_DRAW)
6334 p = "Draw claim: insufficient mating material";
6336 SendToProgram("force\n", cps->other); // suppress reply
6337 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
6338 GameEnds( GameIsDrawn, p, GE_XBOARD );
6339 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6345 if( appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
6346 SendToProgram("force\n", cps->other); // suppress reply
6347 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
6348 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6350 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
6357 if (gameMode == TwoMachinesPlay) {
6358 /* [HGM] relaying draw offers moved to after reception of move */
6359 /* and interpreting offer as claim if it brings draw condition */
6360 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
6361 SendToProgram("draw\n", cps->other);
6363 if (cps->other->sendTime) {
6364 SendTimeRemaining(cps->other,
6365 cps->other->twoMachinesColor[0] == 'w');
6367 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
6368 if (firstMove && !bookHit) {
6370 if (cps->other->useColors) {
6371 SendToProgram(cps->other->twoMachinesColor, cps->other);
6373 SendToProgram("go\n", cps->other);
6375 cps->other->maybeThinking = TRUE;
6378 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6380 if (!pausing && appData.ringBellAfterMoves) {
6385 * Reenable menu items that were disabled while
6386 * machine was thinking
6388 if (gameMode != TwoMachinesPlay)
6389 SetUserThinkingEnables();
6391 // [HGM] book: after book hit opponent has received move and is now in force mode
6392 // force the book reply into it, and then fake that it outputted this move by jumping
6393 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
6395 static char bookMove[MSG_SIZ]; // a bit generous?
6397 strcpy(bookMove, "move ");
6398 strcat(bookMove, bookHit);
6401 programStats.nodes = programStats.depth = programStats.time =
6402 programStats.score = programStats.got_only_move = 0;
6403 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6405 if(cps->lastPing != cps->lastPong) {
6406 savedMessage = message; // args for deferred call
6408 ScheduleDelayedEvent(DeferredBookMove, 10);
6417 /* Set special modes for chess engines. Later something general
6418 * could be added here; for now there is just one kludge feature,
6419 * needed because Crafty 15.10 and earlier don't ignore SIGINT
6420 * when "xboard" is given as an interactive command.
6422 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
6423 cps->useSigint = FALSE;
6424 cps->useSigterm = FALSE;
6426 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
6427 ParseFeatures(message+8, cps);
6428 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
6431 /* [HGM] Allow engine to set up a position. Don't ask me why one would
6432 * want this, I was asked to put it in, and obliged.
6434 if (!strncmp(message, "setboard ", 9)) {
6435 Board initial_position; int i;
6437 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
6439 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
6440 DisplayError(_("Bad FEN received from engine"), 0);
6444 CopyBoard(boards[0], initial_position);
6445 initialRulePlies = FENrulePlies;
6446 epStatus[0] = FENepStatus;
6447 for( i=0; i<nrCastlingRights; i++ )
6448 castlingRights[0][i] = FENcastlingRights[i];
6449 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
6450 else gameMode = MachinePlaysBlack;
6451 DrawPosition(FALSE, boards[currentMove]);
6457 * Look for communication commands
6459 if (!strncmp(message, "telluser ", 9)) {
6460 DisplayNote(message + 9);
6463 if (!strncmp(message, "tellusererror ", 14)) {
6464 DisplayError(message + 14, 0);
6467 if (!strncmp(message, "tellopponent ", 13)) {
6468 if (appData.icsActive) {
6470 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
6474 DisplayNote(message + 13);
6478 if (!strncmp(message, "tellothers ", 11)) {
6479 if (appData.icsActive) {
6481 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
6487 if (!strncmp(message, "tellall ", 8)) {
6488 if (appData.icsActive) {
6490 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
6494 DisplayNote(message + 8);
6498 if (strncmp(message, "warning", 7) == 0) {
6499 /* Undocumented feature, use tellusererror in new code */
6500 DisplayError(message, 0);
6503 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
6504 strcpy(realname, cps->tidy);
6505 strcat(realname, " query");
6506 AskQuestion(realname, buf2, buf1, cps->pr);
6509 /* Commands from the engine directly to ICS. We don't allow these to be
6510 * sent until we are logged on. Crafty kibitzes have been known to
6511 * interfere with the login process.
6514 if (!strncmp(message, "tellics ", 8)) {
6515 SendToICS(message + 8);
6519 if (!strncmp(message, "tellicsnoalias ", 15)) {
6520 SendToICS(ics_prefix);
6521 SendToICS(message + 15);
6525 /* The following are for backward compatibility only */
6526 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
6527 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
6528 SendToICS(ics_prefix);
6534 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
6538 * If the move is illegal, cancel it and redraw the board.
6539 * Also deal with other error cases. Matching is rather loose
6540 * here to accommodate engines written before the spec.
6542 if (strncmp(message + 1, "llegal move", 11) == 0 ||
6543 strncmp(message, "Error", 5) == 0) {
6544 if (StrStr(message, "name") ||
6545 StrStr(message, "rating") || StrStr(message, "?") ||
6546 StrStr(message, "result") || StrStr(message, "board") ||
6547 StrStr(message, "bk") || StrStr(message, "computer") ||
6548 StrStr(message, "variant") || StrStr(message, "hint") ||
6549 StrStr(message, "random") || StrStr(message, "depth") ||
6550 StrStr(message, "accepted")) {
6553 if (StrStr(message, "protover")) {
6554 /* Program is responding to input, so it's apparently done
6555 initializing, and this error message indicates it is
6556 protocol version 1. So we don't need to wait any longer
6557 for it to initialize and send feature commands. */
6558 FeatureDone(cps, 1);
6559 cps->protocolVersion = 1;
6562 cps->maybeThinking = FALSE;
6564 if (StrStr(message, "draw")) {
6565 /* Program doesn't have "draw" command */
6566 cps->sendDrawOffers = 0;
6569 if (cps->sendTime != 1 &&
6570 (StrStr(message, "time") || StrStr(message, "otim"))) {
6571 /* Program apparently doesn't have "time" or "otim" command */
6575 if (StrStr(message, "analyze")) {
6576 cps->analysisSupport = FALSE;
6577 cps->analyzing = FALSE;
6579 sprintf(buf2, _("%s does not support analysis"), cps->tidy);
6580 DisplayError(buf2, 0);
6583 if (StrStr(message, "(no matching move)st")) {
6584 /* Special kludge for GNU Chess 4 only */
6585 cps->stKludge = TRUE;
6586 SendTimeControl(cps, movesPerSession, timeControl,
6587 timeIncrement, appData.searchDepth,
6591 if (StrStr(message, "(no matching move)sd")) {
6592 /* Special kludge for GNU Chess 4 only */
6593 cps->sdKludge = TRUE;
6594 SendTimeControl(cps, movesPerSession, timeControl,
6595 timeIncrement, appData.searchDepth,
6599 if (!StrStr(message, "llegal")) {
6602 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
6603 gameMode == IcsIdle) return;
6604 if (forwardMostMove <= backwardMostMove) return;
6605 if (pausing) PauseEvent();
6606 if(appData.forceIllegal) {
6607 // [HGM] illegal: machine refused move; force position after move into it
6608 SendToProgram("force\n", cps);
6609 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
6610 // we have a real problem now, as SendBoard will use the a2a3 kludge
6611 // when black is to move, while there might be nothing on a2 or black
6612 // might already have the move. So send the board as if white has the move.
6613 // But first we must change the stm of the engine, as it refused the last move
6614 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
6615 if(WhiteOnMove(forwardMostMove)) {
6616 SendToProgram("a7a6\n", cps); // for the engine black still had the move
6617 SendBoard(cps, forwardMostMove); // kludgeless board
6619 SendToProgram("a2a3\n", cps); // for the engine white still had the move
6620 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
6621 SendBoard(cps, forwardMostMove+1); // kludgeless board
6623 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
6624 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
6625 gameMode == TwoMachinesPlay)
6626 SendToProgram("go\n", cps);
6629 if (gameMode == PlayFromGameFile) {
6630 /* Stop reading this game file */
6631 gameMode = EditGame;
6634 currentMove = --forwardMostMove;
6635 DisplayMove(currentMove-1); /* before DisplayMoveError */
6637 DisplayBothClocks();
6638 sprintf(buf1, _("Illegal move \"%s\" (rejected by %s chess program)"),
6639 parseList[currentMove], cps->which);
6640 DisplayMoveError(buf1);
6641 DrawPosition(FALSE, boards[currentMove]);
6643 /* [HGM] illegal-move claim should forfeit game when Xboard */
6644 /* only passes fully legal moves */
6645 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
6646 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
6647 "False illegal-move claim", GE_XBOARD );
6651 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
6652 /* Program has a broken "time" command that
6653 outputs a string not ending in newline.
6659 * If chess program startup fails, exit with an error message.
6660 * Attempts to recover here are futile.
6662 if ((StrStr(message, "unknown host") != NULL)
6663 || (StrStr(message, "No remote directory") != NULL)
6664 || (StrStr(message, "not found") != NULL)
6665 || (StrStr(message, "No such file") != NULL)
6666 || (StrStr(message, "can't alloc") != NULL)
6667 || (StrStr(message, "Permission denied") != NULL)) {
6669 cps->maybeThinking = FALSE;
6670 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
6671 cps->which, cps->program, cps->host, message);
6672 RemoveInputSource(cps->isr);
6673 DisplayFatalError(buf1, 0, 1);
6678 * Look for hint output
6680 if (sscanf(message, "Hint: %s", buf1) == 1) {
6681 if (cps == &first && hintRequested) {
6682 hintRequested = FALSE;
6683 if (ParseOneMove(buf1, forwardMostMove, &moveType,
6684 &fromX, &fromY, &toX, &toY, &promoChar)) {
6685 (void) CoordsToAlgebraic(boards[forwardMostMove],
6686 PosFlags(forwardMostMove), EP_UNKNOWN,
6687 fromY, fromX, toY, toX, promoChar, buf1);
6688 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
6689 DisplayInformation(buf2);
6691 /* Hint move could not be parsed!? */
6692 snprintf(buf2, sizeof(buf2),
6693 _("Illegal hint move \"%s\"\nfrom %s chess program"),
6695 DisplayError(buf2, 0);
6698 strcpy(lastHint, buf1);
6704 * Ignore other messages if game is not in progress
6706 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
6707 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
6710 * look for win, lose, draw, or draw offer
6712 if (strncmp(message, "1-0", 3) == 0) {
6713 char *p, *q, *r = "";
6714 p = strchr(message, '{');
6722 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
6724 } else if (strncmp(message, "0-1", 3) == 0) {
6725 char *p, *q, *r = "";
6726 p = strchr(message, '{');
6734 /* Kludge for Arasan 4.1 bug */
6735 if (strcmp(r, "Black resigns") == 0) {
6736 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
6739 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
6741 } else if (strncmp(message, "1/2", 3) == 0) {
6742 char *p, *q, *r = "";
6743 p = strchr(message, '{');
6752 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
6755 } else if (strncmp(message, "White resign", 12) == 0) {
6756 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
6758 } else if (strncmp(message, "Black resign", 12) == 0) {
6759 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
6761 } else if (strncmp(message, "White matches", 13) == 0 ||
6762 strncmp(message, "Black matches", 13) == 0 ) {
6763 /* [HGM] ignore GNUShogi noises */
6765 } else if (strncmp(message, "White", 5) == 0 &&
6766 message[5] != '(' &&
6767 StrStr(message, "Black") == NULL) {
6768 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
6770 } else if (strncmp(message, "Black", 5) == 0 &&
6771 message[5] != '(') {
6772 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
6774 } else if (strcmp(message, "resign") == 0 ||
6775 strcmp(message, "computer resigns") == 0) {
6777 case MachinePlaysBlack:
6778 case IcsPlayingBlack:
6779 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
6781 case MachinePlaysWhite:
6782 case IcsPlayingWhite:
6783 GameEnds(BlackWins, "White resigns", GE_ENGINE);
6785 case TwoMachinesPlay:
6786 if (cps->twoMachinesColor[0] == 'w')
6787 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
6789 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
6796 } else if (strncmp(message, "opponent mates", 14) == 0) {
6798 case MachinePlaysBlack:
6799 case IcsPlayingBlack:
6800 GameEnds(WhiteWins, "White mates", GE_ENGINE);
6802 case MachinePlaysWhite:
6803 case IcsPlayingWhite:
6804 GameEnds(BlackWins, "Black mates", GE_ENGINE);
6806 case TwoMachinesPlay:
6807 if (cps->twoMachinesColor[0] == 'w')
6808 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
6810 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
6817 } else if (strncmp(message, "computer mates", 14) == 0) {
6819 case MachinePlaysBlack:
6820 case IcsPlayingBlack:
6821 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
6823 case MachinePlaysWhite:
6824 case IcsPlayingWhite:
6825 GameEnds(WhiteWins, "White mates", GE_ENGINE);
6827 case TwoMachinesPlay:
6828 if (cps->twoMachinesColor[0] == 'w')
6829 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
6831 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
6838 } else if (strncmp(message, "checkmate", 9) == 0) {
6839 if (WhiteOnMove(forwardMostMove)) {
6840 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
6842 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
6845 } else if (strstr(message, "Draw") != NULL ||
6846 strstr(message, "game is a draw") != NULL) {
6847 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
6849 } else if (strstr(message, "offer") != NULL &&
6850 strstr(message, "draw") != NULL) {
6852 if (appData.zippyPlay && first.initDone) {
6853 /* Relay offer to ICS */
6854 SendToICS(ics_prefix);
6855 SendToICS("draw\n");
6858 cps->offeredDraw = 2; /* valid until this engine moves twice */
6859 if (gameMode == TwoMachinesPlay) {
6860 if (cps->other->offeredDraw) {
6861 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
6862 /* [HGM] in two-machine mode we delay relaying draw offer */
6863 /* until after we also have move, to see if it is really claim */
6865 } else if (gameMode == MachinePlaysWhite ||
6866 gameMode == MachinePlaysBlack) {
6867 if (userOfferedDraw) {
6868 DisplayInformation(_("Machine accepts your draw offer"));
6869 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
6871 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
6878 * Look for thinking output
6880 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
6881 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
6883 int plylev, mvleft, mvtot, curscore, time;
6884 char mvname[MOVE_LEN];
6888 int prefixHint = FALSE;
6889 mvname[0] = NULLCHAR;
6892 case MachinePlaysBlack:
6893 case IcsPlayingBlack:
6894 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
6896 case MachinePlaysWhite:
6897 case IcsPlayingWhite:
6898 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
6903 case IcsObserving: /* [DM] icsEngineAnalyze */
6904 if (!appData.icsEngineAnalyze) ignore = TRUE;
6906 case TwoMachinesPlay:
6907 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
6918 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
6919 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
6921 if (plyext != ' ' && plyext != '\t') {
6925 /* [AS] Negate score if machine is playing black and reporting absolute scores */
6926 if( cps->scoreIsAbsolute &&
6927 ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) )
6929 curscore = -curscore;
6933 programStats.depth = plylev;
6934 programStats.nodes = nodes;
6935 programStats.time = time;
6936 programStats.score = curscore;
6937 programStats.got_only_move = 0;
6939 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
6942 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
6943 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
6944 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
6945 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
6946 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
6947 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
6948 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
6949 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
6952 /* Buffer overflow protection */
6953 if (buf1[0] != NULLCHAR) {
6954 if (strlen(buf1) >= sizeof(programStats.movelist)
6955 && appData.debugMode) {
6957 "PV is too long; using the first %u bytes.\n",
6958 (unsigned) sizeof(programStats.movelist) - 1);
6961 safeStrCpy( programStats.movelist, buf1, sizeof(programStats.movelist) );
6963 sprintf(programStats.movelist, " no PV\n");
6966 if (programStats.seen_stat) {
6967 programStats.ok_to_send = 1;
6970 if (strchr(programStats.movelist, '(') != NULL) {
6971 programStats.line_is_book = 1;
6972 programStats.nr_moves = 0;
6973 programStats.moves_left = 0;
6975 programStats.line_is_book = 0;
6978 SendProgramStatsToFrontend( cps, &programStats );
6981 [AS] Protect the thinkOutput buffer from overflow... this
6982 is only useful if buf1 hasn't overflowed first!
6984 sprintf(thinkOutput, "[%d]%c%+.2f %s%s",
6986 (gameMode == TwoMachinesPlay ?
6987 ToUpper(cps->twoMachinesColor[0]) : ' '),
6988 ((double) curscore) / 100.0,
6989 prefixHint ? lastHint : "",
6990 prefixHint ? " " : "" );
6992 if( buf1[0] != NULLCHAR ) {
6993 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
6995 if( strlen(buf1) > max_len ) {
6996 if( appData.debugMode) {
6997 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
6999 buf1[max_len+1] = '\0';
7002 strcat( thinkOutput, buf1 );
7005 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
7006 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7007 DisplayMove(currentMove - 1);
7011 } else if ((p=StrStr(message, "(only move)")) != NULL) {
7012 /* crafty (9.25+) says "(only move) <move>"
7013 * if there is only 1 legal move
7015 sscanf(p, "(only move) %s", buf1);
7016 sprintf(thinkOutput, "%s (only move)", buf1);
7017 sprintf(programStats.movelist, "%s (only move)", buf1);
7018 programStats.depth = 1;
7019 programStats.nr_moves = 1;
7020 programStats.moves_left = 1;
7021 programStats.nodes = 1;
7022 programStats.time = 1;
7023 programStats.got_only_move = 1;
7025 /* Not really, but we also use this member to
7026 mean "line isn't going to change" (Crafty
7027 isn't searching, so stats won't change) */
7028 programStats.line_is_book = 1;
7030 SendProgramStatsToFrontend( cps, &programStats );
7032 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
7033 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7034 DisplayMove(currentMove - 1);
7037 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
7038 &time, &nodes, &plylev, &mvleft,
7039 &mvtot, mvname) >= 5) {
7040 /* The stat01: line is from Crafty (9.29+) in response
7041 to the "." command */
7042 programStats.seen_stat = 1;
7043 cps->maybeThinking = TRUE;
7045 if (programStats.got_only_move || !appData.periodicUpdates)
7048 programStats.depth = plylev;
7049 programStats.time = time;
7050 programStats.nodes = nodes;
7051 programStats.moves_left = mvleft;
7052 programStats.nr_moves = mvtot;
7053 strcpy(programStats.move_name, mvname);
7054 programStats.ok_to_send = 1;
7055 programStats.movelist[0] = '\0';
7057 SendProgramStatsToFrontend( cps, &programStats );
7061 } else if (strncmp(message,"++",2) == 0) {
7062 /* Crafty 9.29+ outputs this */
7063 programStats.got_fail = 2;
7066 } else if (strncmp(message,"--",2) == 0) {
7067 /* Crafty 9.29+ outputs this */
7068 programStats.got_fail = 1;
7071 } else if (thinkOutput[0] != NULLCHAR &&
7072 strncmp(message, " ", 4) == 0) {
7073 unsigned message_len;
7076 while (*p && *p == ' ') p++;
7078 message_len = strlen( p );
7080 /* [AS] Avoid buffer overflow */
7081 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
7082 strcat(thinkOutput, " ");
7083 strcat(thinkOutput, p);
7086 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
7087 strcat(programStats.movelist, " ");
7088 strcat(programStats.movelist, p);
7091 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
7092 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7093 DisplayMove(currentMove - 1);
7101 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7102 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
7104 ChessProgramStats cpstats;
7106 if (plyext != ' ' && plyext != '\t') {
7110 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7111 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
7112 curscore = -curscore;
7115 cpstats.depth = plylev;
7116 cpstats.nodes = nodes;
7117 cpstats.time = time;
7118 cpstats.score = curscore;
7119 cpstats.got_only_move = 0;
7120 cpstats.movelist[0] = '\0';
7122 if (buf1[0] != NULLCHAR) {
7123 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist) );
7126 cpstats.ok_to_send = 0;
7127 cpstats.line_is_book = 0;
7128 cpstats.nr_moves = 0;
7129 cpstats.moves_left = 0;
7131 SendProgramStatsToFrontend( cps, &cpstats );
7138 /* Parse a game score from the character string "game", and
7139 record it as the history of the current game. The game
7140 score is NOT assumed to start from the standard position.
7141 The display is not updated in any way.
7144 ParseGameHistory(game)
7148 int fromX, fromY, toX, toY, boardIndex;
7153 if (appData.debugMode)
7154 fprintf(debugFP, "Parsing game history: %s\n", game);
7156 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
7157 gameInfo.site = StrSave(appData.icsHost);
7158 gameInfo.date = PGNDate();
7159 gameInfo.round = StrSave("-");
7161 /* Parse out names of players */
7162 while (*game == ' ') game++;
7164 while (*game != ' ') *p++ = *game++;
7166 gameInfo.white = StrSave(buf);
7167 while (*game == ' ') game++;
7169 while (*game != ' ' && *game != '\n') *p++ = *game++;
7171 gameInfo.black = StrSave(buf);
7174 boardIndex = blackPlaysFirst ? 1 : 0;
7177 yyboardindex = boardIndex;
7178 moveType = (ChessMove) yylex();
7180 case IllegalMove: /* maybe suicide chess, etc. */
7181 if (appData.debugMode) {
7182 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
7183 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
7184 setbuf(debugFP, NULL);
7186 case WhitePromotionChancellor:
7187 case BlackPromotionChancellor:
7188 case WhitePromotionArchbishop:
7189 case BlackPromotionArchbishop:
7190 case WhitePromotionQueen:
7191 case BlackPromotionQueen:
7192 case WhitePromotionRook:
7193 case BlackPromotionRook:
7194 case WhitePromotionBishop:
7195 case BlackPromotionBishop:
7196 case WhitePromotionKnight:
7197 case BlackPromotionKnight:
7198 case WhitePromotionKing:
7199 case BlackPromotionKing:
7201 case WhiteCapturesEnPassant:
7202 case BlackCapturesEnPassant:
7203 case WhiteKingSideCastle:
7204 case WhiteQueenSideCastle:
7205 case BlackKingSideCastle:
7206 case BlackQueenSideCastle:
7207 case WhiteKingSideCastleWild:
7208 case WhiteQueenSideCastleWild:
7209 case BlackKingSideCastleWild:
7210 case BlackQueenSideCastleWild:
7212 case WhiteHSideCastleFR:
7213 case WhiteASideCastleFR:
7214 case BlackHSideCastleFR:
7215 case BlackASideCastleFR:
7217 fromX = currentMoveString[0] - AAA;
7218 fromY = currentMoveString[1] - ONE;
7219 toX = currentMoveString[2] - AAA;
7220 toY = currentMoveString[3] - ONE;
7221 promoChar = currentMoveString[4];
7225 fromX = moveType == WhiteDrop ?
7226 (int) CharToPiece(ToUpper(currentMoveString[0])) :
7227 (int) CharToPiece(ToLower(currentMoveString[0]));
7229 toX = currentMoveString[2] - AAA;
7230 toY = currentMoveString[3] - ONE;
7231 promoChar = NULLCHAR;
7235 sprintf(buf, _("Ambiguous move in ICS output: \"%s\""), yy_text);
7236 if (appData.debugMode) {
7237 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
7238 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
7239 setbuf(debugFP, NULL);
7241 DisplayError(buf, 0);
7243 case ImpossibleMove:
7245 sprintf(buf, _("Illegal move in ICS output: \"%s\""), yy_text);
7246 if (appData.debugMode) {
7247 fprintf(debugFP, "Impossible 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 (ChessMove) 0: /* end of file */
7254 if (boardIndex < backwardMostMove) {
7255 /* Oops, gap. How did that happen? */
7256 DisplayError(_("Gap in move list"), 0);
7259 backwardMostMove = blackPlaysFirst ? 1 : 0;
7260 if (boardIndex > forwardMostMove) {
7261 forwardMostMove = boardIndex;
7265 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
7266 strcat(parseList[boardIndex-1], " ");
7267 strcat(parseList[boardIndex-1], yy_text);
7279 case GameUnfinished:
7280 if (gameMode == IcsExamining) {
7281 if (boardIndex < backwardMostMove) {
7282 /* Oops, gap. How did that happen? */
7285 backwardMostMove = blackPlaysFirst ? 1 : 0;
7288 gameInfo.result = moveType;
7289 p = strchr(yy_text, '{');
7290 if (p == NULL) p = strchr(yy_text, '(');
7293 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
7295 q = strchr(p, *p == '{' ? '}' : ')');
7296 if (q != NULL) *q = NULLCHAR;
7299 gameInfo.resultDetails = StrSave(p);
7302 if (boardIndex >= forwardMostMove &&
7303 !(gameMode == IcsObserving && ics_gamenum == -1)) {
7304 backwardMostMove = blackPlaysFirst ? 1 : 0;
7307 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
7308 EP_UNKNOWN, fromY, fromX, toY, toX, promoChar,
7309 parseList[boardIndex]);
7310 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
7311 {int i; for(i=0; i<BOARD_SIZE; i++) castlingRights[boardIndex+1][i] = castlingRights[boardIndex][i];}
7312 /* currentMoveString is set as a side-effect of yylex */
7313 strcpy(moveList[boardIndex], currentMoveString);
7314 strcat(moveList[boardIndex], "\n");
7316 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex],
7317 castlingRights[boardIndex], &epStatus[boardIndex]);
7318 switch (MateTest(boards[boardIndex], PosFlags(boardIndex),
7319 EP_UNKNOWN, castlingRights[boardIndex]) ) {
7325 if(gameInfo.variant != VariantShogi)
7326 strcat(parseList[boardIndex - 1], "+");
7330 strcat(parseList[boardIndex - 1], "#");
7337 /* Apply a move to the given board */
7339 ApplyMove(fromX, fromY, toX, toY, promoChar, board, castling, ep)
7340 int fromX, fromY, toX, toY;
7346 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
7348 /* [HGM] compute & store e.p. status and castling rights for new position */
7349 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
7352 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
7356 if( board[toY][toX] != EmptySquare )
7359 if( board[fromY][fromX] == WhitePawn ) {
7360 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
7363 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
7364 gameInfo.variant != VariantBerolina || toX < fromX)
7365 *ep = toX | berolina;
7366 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
7367 gameInfo.variant != VariantBerolina || toX > fromX)
7371 if( board[fromY][fromX] == BlackPawn ) {
7372 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
7374 if( toY-fromY== -2) {
7375 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
7376 gameInfo.variant != VariantBerolina || toX < fromX)
7377 *ep = toX | berolina;
7378 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
7379 gameInfo.variant != VariantBerolina || toX > fromX)
7384 for(i=0; i<nrCastlingRights; i++) {
7385 if(castling[i] == fromX && castlingRank[i] == fromY ||
7386 castling[i] == toX && castlingRank[i] == toY
7387 ) castling[i] = -1; // revoke for moved or captured piece
7392 /* [HGM] In Shatranj and Courier all promotions are to Ferz */
7393 if((gameInfo.variant==VariantShatranj || gameInfo.variant==VariantCourier)
7394 && promoChar != 0) promoChar = PieceToChar(WhiteFerz);
7396 if (fromX == toX && fromY == toY) return;
7398 if (fromY == DROP_RANK) {
7400 piece = board[toY][toX] = (ChessSquare) fromX;
7402 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
7403 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
7404 if(gameInfo.variant == VariantKnightmate)
7405 king += (int) WhiteUnicorn - (int) WhiteKing;
7407 /* Code added by Tord: */
7408 /* FRC castling assumed when king captures friendly rook. */
7409 if (board[fromY][fromX] == WhiteKing &&
7410 board[toY][toX] == WhiteRook) {
7411 board[fromY][fromX] = EmptySquare;
7412 board[toY][toX] = EmptySquare;
7414 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
7416 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
7418 } else if (board[fromY][fromX] == BlackKing &&
7419 board[toY][toX] == BlackRook) {
7420 board[fromY][fromX] = EmptySquare;
7421 board[toY][toX] = EmptySquare;
7423 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
7425 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
7427 /* End of code added by Tord */
7429 } else if (board[fromY][fromX] == king
7430 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
7431 && toY == fromY && toX > fromX+1) {
7432 board[fromY][fromX] = EmptySquare;
7433 board[toY][toX] = king;
7434 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
7435 board[fromY][BOARD_RGHT-1] = EmptySquare;
7436 } else if (board[fromY][fromX] == king
7437 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
7438 && toY == fromY && toX < fromX-1) {
7439 board[fromY][fromX] = EmptySquare;
7440 board[toY][toX] = king;
7441 board[toY][toX+1] = board[fromY][BOARD_LEFT];
7442 board[fromY][BOARD_LEFT] = EmptySquare;
7443 } else if (board[fromY][fromX] == WhitePawn
7444 && toY == BOARD_HEIGHT-1
7445 && gameInfo.variant != VariantXiangqi
7447 /* white pawn promotion */
7448 board[toY][toX] = CharToPiece(ToUpper(promoChar));
7449 if (board[toY][toX] == EmptySquare) {
7450 board[toY][toX] = WhiteQueen;
7452 if(gameInfo.variant==VariantBughouse ||
7453 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
7454 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
7455 board[fromY][fromX] = EmptySquare;
7456 } else if ((fromY == BOARD_HEIGHT-4)
7458 && gameInfo.variant != VariantXiangqi
7459 && gameInfo.variant != VariantBerolina
7460 && (board[fromY][fromX] == WhitePawn)
7461 && (board[toY][toX] == EmptySquare)) {
7462 board[fromY][fromX] = EmptySquare;
7463 board[toY][toX] = WhitePawn;
7464 captured = board[toY - 1][toX];
7465 board[toY - 1][toX] = EmptySquare;
7466 } else if ((fromY == BOARD_HEIGHT-4)
7468 && gameInfo.variant == VariantBerolina
7469 && (board[fromY][fromX] == WhitePawn)
7470 && (board[toY][toX] == EmptySquare)) {
7471 board[fromY][fromX] = EmptySquare;
7472 board[toY][toX] = WhitePawn;
7473 if(oldEP & EP_BEROLIN_A) {
7474 captured = board[fromY][fromX-1];
7475 board[fromY][fromX-1] = EmptySquare;
7476 }else{ captured = board[fromY][fromX+1];
7477 board[fromY][fromX+1] = EmptySquare;
7479 } else if (board[fromY][fromX] == king
7480 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
7481 && toY == fromY && toX > fromX+1) {
7482 board[fromY][fromX] = EmptySquare;
7483 board[toY][toX] = king;
7484 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
7485 board[fromY][BOARD_RGHT-1] = EmptySquare;
7486 } else if (board[fromY][fromX] == king
7487 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
7488 && toY == fromY && toX < fromX-1) {
7489 board[fromY][fromX] = EmptySquare;
7490 board[toY][toX] = king;
7491 board[toY][toX+1] = board[fromY][BOARD_LEFT];
7492 board[fromY][BOARD_LEFT] = EmptySquare;
7493 } else if (fromY == 7 && fromX == 3
7494 && board[fromY][fromX] == BlackKing
7495 && toY == 7 && toX == 5) {
7496 board[fromY][fromX] = EmptySquare;
7497 board[toY][toX] = BlackKing;
7498 board[fromY][7] = EmptySquare;
7499 board[toY][4] = BlackRook;
7500 } else if (fromY == 7 && fromX == 3
7501 && board[fromY][fromX] == BlackKing
7502 && toY == 7 && toX == 1) {
7503 board[fromY][fromX] = EmptySquare;
7504 board[toY][toX] = BlackKing;
7505 board[fromY][0] = EmptySquare;
7506 board[toY][2] = BlackRook;
7507 } else if (board[fromY][fromX] == BlackPawn
7509 && gameInfo.variant != VariantXiangqi
7511 /* black pawn promotion */
7512 board[0][toX] = CharToPiece(ToLower(promoChar));
7513 if (board[0][toX] == EmptySquare) {
7514 board[0][toX] = BlackQueen;
7516 if(gameInfo.variant==VariantBughouse ||
7517 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
7518 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
7519 board[fromY][fromX] = EmptySquare;
7520 } else if ((fromY == 3)
7522 && gameInfo.variant != VariantXiangqi
7523 && gameInfo.variant != VariantBerolina
7524 && (board[fromY][fromX] == BlackPawn)
7525 && (board[toY][toX] == EmptySquare)) {
7526 board[fromY][fromX] = EmptySquare;
7527 board[toY][toX] = BlackPawn;
7528 captured = board[toY + 1][toX];
7529 board[toY + 1][toX] = EmptySquare;
7530 } else if ((fromY == 3)
7532 && gameInfo.variant == VariantBerolina
7533 && (board[fromY][fromX] == BlackPawn)
7534 && (board[toY][toX] == EmptySquare)) {
7535 board[fromY][fromX] = EmptySquare;
7536 board[toY][toX] = BlackPawn;
7537 if(oldEP & EP_BEROLIN_A) {
7538 captured = board[fromY][fromX-1];
7539 board[fromY][fromX-1] = EmptySquare;
7540 }else{ captured = board[fromY][fromX+1];
7541 board[fromY][fromX+1] = EmptySquare;
7544 board[toY][toX] = board[fromY][fromX];
7545 board[fromY][fromX] = EmptySquare;
7548 /* [HGM] now we promote for Shogi, if needed */
7549 if(gameInfo.variant == VariantShogi && promoChar == 'q')
7550 board[toY][toX] = (ChessSquare) (PROMOTED piece);
7553 if (gameInfo.holdingsWidth != 0) {
7555 /* !!A lot more code needs to be written to support holdings */
7556 /* [HGM] OK, so I have written it. Holdings are stored in the */
7557 /* penultimate board files, so they are automaticlly stored */
7558 /* in the game history. */
7559 if (fromY == DROP_RANK) {
7560 /* Delete from holdings, by decreasing count */
7561 /* and erasing image if necessary */
7563 if(p < (int) BlackPawn) { /* white drop */
7564 p -= (int)WhitePawn;
7565 p = PieceToNumber((ChessSquare)p);
7566 if(p >= gameInfo.holdingsSize) p = 0;
7567 if(--board[p][BOARD_WIDTH-2] <= 0)
7568 board[p][BOARD_WIDTH-1] = EmptySquare;
7569 if((int)board[p][BOARD_WIDTH-2] < 0)
7570 board[p][BOARD_WIDTH-2] = 0;
7571 } else { /* black drop */
7572 p -= (int)BlackPawn;
7573 p = PieceToNumber((ChessSquare)p);
7574 if(p >= gameInfo.holdingsSize) p = 0;
7575 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
7576 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
7577 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
7578 board[BOARD_HEIGHT-1-p][1] = 0;
7581 if (captured != EmptySquare && gameInfo.holdingsSize > 0
7582 && gameInfo.variant != VariantBughouse ) {
7583 /* [HGM] holdings: Add to holdings, if holdings exist */
7584 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
7585 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
7586 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
7589 if (p >= (int) BlackPawn) {
7590 p -= (int)BlackPawn;
7591 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
7592 /* in Shogi restore piece to its original first */
7593 captured = (ChessSquare) (DEMOTED captured);
7596 p = PieceToNumber((ChessSquare)p);
7597 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
7598 board[p][BOARD_WIDTH-2]++;
7599 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
7601 p -= (int)WhitePawn;
7602 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
7603 captured = (ChessSquare) (DEMOTED captured);
7606 p = PieceToNumber((ChessSquare)p);
7607 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
7608 board[BOARD_HEIGHT-1-p][1]++;
7609 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
7612 } else if (gameInfo.variant == VariantAtomic) {
7613 if (captured != EmptySquare) {
7615 for (y = toY-1; y <= toY+1; y++) {
7616 for (x = toX-1; x <= toX+1; x++) {
7617 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
7618 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
7619 board[y][x] = EmptySquare;
7623 board[toY][toX] = EmptySquare;
7626 if(gameInfo.variant == VariantShogi && promoChar != NULLCHAR && promoChar != '=') {
7627 /* [HGM] Shogi promotions */
7628 board[toY][toX] = (ChessSquare) (PROMOTED piece);
7631 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
7632 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
7633 // [HGM] superchess: take promotion piece out of holdings
7634 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
7635 if((int)piece < (int)BlackPawn) { // determine stm from piece color
7636 if(!--board[k][BOARD_WIDTH-2])
7637 board[k][BOARD_WIDTH-1] = EmptySquare;
7639 if(!--board[BOARD_HEIGHT-1-k][1])
7640 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
7646 /* Updates forwardMostMove */
7648 MakeMove(fromX, fromY, toX, toY, promoChar)
7649 int fromX, fromY, toX, toY;
7652 // forwardMostMove++; // [HGM] bare: moved downstream
7654 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
7655 int timeLeft; static int lastLoadFlag=0; int king, piece;
7656 piece = boards[forwardMostMove][fromY][fromX];
7657 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
7658 if(gameInfo.variant == VariantKnightmate)
7659 king += (int) WhiteUnicorn - (int) WhiteKing;
7660 if(forwardMostMove == 0) {
7662 fprintf(serverMoves, "%s;", second.tidy);
7663 fprintf(serverMoves, "%s;", first.tidy);
7664 if(!blackPlaysFirst)
7665 fprintf(serverMoves, "%s;", second.tidy);
7666 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
7667 lastLoadFlag = loadFlag;
7669 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
7670 // print castling suffix
7671 if( toY == fromY && piece == king ) {
7673 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
7675 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
7678 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
7679 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
7680 boards[forwardMostMove][toY][toX] == EmptySquare
7682 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
7684 if(promoChar != NULLCHAR)
7685 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
7687 fprintf(serverMoves, "/%d/%d",
7688 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
7689 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
7690 else timeLeft = blackTimeRemaining/1000;
7691 fprintf(serverMoves, "/%d", timeLeft);
7693 fflush(serverMoves);
7696 if (forwardMostMove+1 >= MAX_MOVES) {
7697 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
7701 if (commentList[forwardMostMove+1] != NULL) {
7702 free(commentList[forwardMostMove+1]);
7703 commentList[forwardMostMove+1] = NULL;
7705 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7706 {int i; for(i=0; i<BOARD_SIZE; i++) castlingRights[forwardMostMove+1][i] = castlingRights[forwardMostMove][i];}
7707 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1],
7708 castlingRights[forwardMostMove+1], &epStatus[forwardMostMove+1]);
7709 forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
7710 SwitchClocks(); // uses forwardMostMove, so must be done after incrementing it !
7711 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
7712 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
7713 gameInfo.result = GameUnfinished;
7714 if (gameInfo.resultDetails != NULL) {
7715 free(gameInfo.resultDetails);
7716 gameInfo.resultDetails = NULL;
7718 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
7719 moveList[forwardMostMove - 1]);
7720 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
7721 PosFlags(forwardMostMove - 1), EP_UNKNOWN,
7722 fromY, fromX, toY, toX, promoChar,
7723 parseList[forwardMostMove - 1]);
7724 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7725 epStatus[forwardMostMove], /* [HGM] use true e.p. */
7726 castlingRights[forwardMostMove]) ) {
7732 if(gameInfo.variant != VariantShogi)
7733 strcat(parseList[forwardMostMove - 1], "+");
7737 strcat(parseList[forwardMostMove - 1], "#");
7740 if (appData.debugMode) {
7741 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
7746 /* Updates currentMove if not pausing */
7748 ShowMove(fromX, fromY, toX, toY)
7750 int instant = (gameMode == PlayFromGameFile) ?
7751 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
7752 if(appData.noGUI) return;
7753 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
7755 if (forwardMostMove == currentMove + 1) {
7756 AnimateMove(boards[forwardMostMove - 1],
7757 fromX, fromY, toX, toY);
7759 if (appData.highlightLastMove) {
7760 SetHighlights(fromX, fromY, toX, toY);
7763 currentMove = forwardMostMove;
7766 if (instant) return;
7768 DisplayMove(currentMove - 1);
7769 DrawPosition(FALSE, boards[currentMove]);
7770 DisplayBothClocks();
7771 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
7774 void SendEgtPath(ChessProgramState *cps)
7775 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
7776 char buf[MSG_SIZ], name[MSG_SIZ], *p;
7778 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
7781 char c, *q = name+1, *r, *s;
7783 name[0] = ','; // extract next format name from feature and copy with prefixed ','
7784 while(*p && *p != ',') *q++ = *p++;
7786 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
7787 strcmp(name, ",nalimov:") == 0 ) {
7788 // take nalimov path from the menu-changeable option first, if it is defined
7789 sprintf(buf, "egtpath nalimov %s\n", appData.defaultPathEGTB);
7790 SendToProgram(buf,cps); // send egtbpath command for nalimov
7792 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
7793 (s = StrStr(appData.egtFormats, name)) != NULL) {
7794 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
7795 s = r = StrStr(s, ":") + 1; // beginning of path info
7796 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
7797 c = *r; *r = 0; // temporarily null-terminate path info
7798 *--q = 0; // strip of trailig ':' from name
7799 sprintf(buf, "egtpath %s %s\n", name+1, s);
7801 SendToProgram(buf,cps); // send egtbpath command for this format
7803 if(*p == ',') p++; // read away comma to position for next format name
7808 InitChessProgram(cps, setup)
7809 ChessProgramState *cps;
7810 int setup; /* [HGM] needed to setup FRC opening position */
7812 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
7813 if (appData.noChessProgram) return;
7814 hintRequested = FALSE;
7815 bookRequested = FALSE;
7817 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
7818 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
7819 if(cps->memSize) { /* [HGM] memory */
7820 sprintf(buf, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
7821 SendToProgram(buf, cps);
7823 SendEgtPath(cps); /* [HGM] EGT */
7824 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
7825 sprintf(buf, "cores %d\n", appData.smpCores);
7826 SendToProgram(buf, cps);
7829 SendToProgram(cps->initString, cps);
7830 if (gameInfo.variant != VariantNormal &&
7831 gameInfo.variant != VariantLoadable
7832 /* [HGM] also send variant if board size non-standard */
7833 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
7835 char *v = VariantName(gameInfo.variant);
7836 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
7837 /* [HGM] in protocol 1 we have to assume all variants valid */
7838 sprintf(buf, _("Variant %s not supported by %s"), v, cps->tidy);
7839 DisplayFatalError(buf, 0, 1);
7843 /* [HGM] make prefix for non-standard board size. Awkward testing... */
7844 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
7845 if( gameInfo.variant == VariantXiangqi )
7846 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
7847 if( gameInfo.variant == VariantShogi )
7848 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
7849 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
7850 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
7851 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
7852 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
7853 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
7854 if( gameInfo.variant == VariantCourier )
7855 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
7856 if( gameInfo.variant == VariantSuper )
7857 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
7858 if( gameInfo.variant == VariantGreat )
7859 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
7862 sprintf(b, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
7863 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
7864 /* [HGM] varsize: try first if this defiant size variant is specifically known */
7865 if(StrStr(cps->variants, b) == NULL) {
7866 // specific sized variant not known, check if general sizing allowed
7867 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
7868 if(StrStr(cps->variants, "boardsize") == NULL) {
7869 sprintf(buf, "Board size %dx%d+%d not supported by %s",
7870 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
7871 DisplayFatalError(buf, 0, 1);
7874 /* [HGM] here we really should compare with the maximum supported board size */
7877 } else sprintf(b, "%s", VariantName(gameInfo.variant));
7878 sprintf(buf, "variant %s\n", b);
7879 SendToProgram(buf, cps);
7881 currentlyInitializedVariant = gameInfo.variant;
7883 /* [HGM] send opening position in FRC to first engine */
7885 SendToProgram("force\n", cps);
7887 /* engine is now in force mode! Set flag to wake it up after first move. */
7888 setboardSpoiledMachineBlack = 1;
7892 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
7893 SendToProgram(buf, cps);
7895 cps->maybeThinking = FALSE;
7896 cps->offeredDraw = 0;
7897 if (!appData.icsActive) {
7898 SendTimeControl(cps, movesPerSession, timeControl,
7899 timeIncrement, appData.searchDepth,
7902 if (appData.showThinking
7903 // [HGM] thinking: four options require thinking output to be sent
7904 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7906 SendToProgram("post\n", cps);
7908 SendToProgram("hard\n", cps);
7909 if (!appData.ponderNextMove) {
7910 /* Warning: "easy" is a toggle in GNU Chess, so don't send
7911 it without being sure what state we are in first. "hard"
7912 is not a toggle, so that one is OK.
7914 SendToProgram("easy\n", cps);
7917 sprintf(buf, "ping %d\n", ++cps->lastPing);
7918 SendToProgram(buf, cps);
7920 cps->initDone = TRUE;
7925 StartChessProgram(cps)
7926 ChessProgramState *cps;
7931 if (appData.noChessProgram) return;
7932 cps->initDone = FALSE;
7934 if (strcmp(cps->host, "localhost") == 0) {
7935 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
7936 } else if (*appData.remoteShell == NULLCHAR) {
7937 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
7939 if (*appData.remoteUser == NULLCHAR) {
7940 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
7943 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
7944 cps->host, appData.remoteUser, cps->program);
7946 err = StartChildProcess(buf, "", &cps->pr);
7950 sprintf(buf, _("Startup failure on '%s'"), cps->program);
7951 DisplayFatalError(buf, err, 1);
7957 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
7958 if (cps->protocolVersion > 1) {
7959 sprintf(buf, "xboard\nprotover %d\n", cps->protocolVersion);
7960 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
7961 cps->comboCnt = 0; // and values of combo boxes
7962 SendToProgram(buf, cps);
7964 SendToProgram("xboard\n", cps);
7970 TwoMachinesEventIfReady P((void))
7972 if (first.lastPing != first.lastPong) {
7973 DisplayMessage("", _("Waiting for first chess program"));
7974 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
7977 if (second.lastPing != second.lastPong) {
7978 DisplayMessage("", _("Waiting for second chess program"));
7979 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
7987 NextMatchGame P((void))
7989 int index; /* [HGM] autoinc: step load index during match */
7991 if (*appData.loadGameFile != NULLCHAR) {
7992 index = appData.loadGameIndex;
7993 if(index < 0) { // [HGM] autoinc
7994 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
7995 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
7997 LoadGameFromFile(appData.loadGameFile,
7999 appData.loadGameFile, FALSE);
8000 } else if (*appData.loadPositionFile != NULLCHAR) {
8001 index = appData.loadPositionIndex;
8002 if(index < 0) { // [HGM] autoinc
8003 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8004 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8006 LoadPositionFromFile(appData.loadPositionFile,
8008 appData.loadPositionFile);
8010 TwoMachinesEventIfReady();
8013 void UserAdjudicationEvent( int result )
8015 ChessMove gameResult = GameIsDrawn;
8018 gameResult = WhiteWins;
8020 else if( result < 0 ) {
8021 gameResult = BlackWins;
8024 if( gameMode == TwoMachinesPlay ) {
8025 GameEnds( gameResult, "User adjudication", GE_XBOARD );
8030 // [HGM] save: calculate checksum of game to make games easily identifiable
8031 int StringCheckSum(char *s)
8034 if(s==NULL) return 0;
8035 while(*s) i = i*259 + *s++;
8042 for(i=backwardMostMove; i<forwardMostMove; i++) {
8043 sum += pvInfoList[i].depth;
8044 sum += StringCheckSum(parseList[i]);
8045 sum += StringCheckSum(commentList[i]);
8048 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
8049 return sum + StringCheckSum(commentList[i]);
8050 } // end of save patch
8053 GameEnds(result, resultDetails, whosays)
8055 char *resultDetails;
8058 GameMode nextGameMode;
8062 if(endingGame) return; /* [HGM] crash: forbid recursion */
8065 if (appData.debugMode) {
8066 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
8067 result, resultDetails ? resultDetails : "(null)", whosays);
8070 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
8071 /* If we are playing on ICS, the server decides when the
8072 game is over, but the engine can offer to draw, claim
8076 if (appData.zippyPlay && first.initDone) {
8077 if (result == GameIsDrawn) {
8078 /* In case draw still needs to be claimed */
8079 SendToICS(ics_prefix);
8080 SendToICS("draw\n");
8081 } else if (StrCaseStr(resultDetails, "resign")) {
8082 SendToICS(ics_prefix);
8083 SendToICS("resign\n");
8087 endingGame = 0; /* [HGM] crash */
8091 /* If we're loading the game from a file, stop */
8092 if (whosays == GE_FILE) {
8093 (void) StopLoadGameTimer();
8097 /* Cancel draw offers */
8098 first.offeredDraw = second.offeredDraw = 0;
8100 /* If this is an ICS game, only ICS can really say it's done;
8101 if not, anyone can. */
8102 isIcsGame = (gameMode == IcsPlayingWhite ||
8103 gameMode == IcsPlayingBlack ||
8104 gameMode == IcsObserving ||
8105 gameMode == IcsExamining);
8107 if (!isIcsGame || whosays == GE_ICS) {
8108 /* OK -- not an ICS game, or ICS said it was done */
8110 if (!isIcsGame && !appData.noChessProgram)
8111 SetUserThinkingEnables();
8113 /* [HGM] if a machine claims the game end we verify this claim */
8114 if(gameMode == TwoMachinesPlay && appData.testClaims) {
8115 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
8117 ChessMove trueResult = (ChessMove) -1;
8119 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
8120 first.twoMachinesColor[0] :
8121 second.twoMachinesColor[0] ;
8123 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
8124 if(epStatus[forwardMostMove] == EP_CHECKMATE) {
8125 /* [HGM] verify: engine mate claims accepted if they were flagged */
8126 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
8128 if(epStatus[forwardMostMove] == EP_WINS) { // added code for games where being mated is a win
8129 /* [HGM] verify: engine mate claims accepted if they were flagged */
8130 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8132 if(epStatus[forwardMostMove] == EP_STALEMATE) { // only used to indicate draws now
8133 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
8136 // now verify win claims, but not in drop games, as we don't understand those yet
8137 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
8138 || gameInfo.variant == VariantGreat) &&
8139 (result == WhiteWins && claimer == 'w' ||
8140 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
8141 if (appData.debugMode) {
8142 fprintf(debugFP, "result=%d sp=%d move=%d\n",
8143 result, epStatus[forwardMostMove], forwardMostMove);
8145 if(result != trueResult) {
8146 sprintf(buf, "False win claim: '%s'", resultDetails);
8147 result = claimer == 'w' ? BlackWins : WhiteWins;
8148 resultDetails = buf;
8151 if( result == GameIsDrawn && epStatus[forwardMostMove] > EP_DRAWS
8152 && (forwardMostMove <= backwardMostMove ||
8153 epStatus[forwardMostMove-1] > EP_DRAWS ||
8154 (claimer=='b')==(forwardMostMove&1))
8156 /* [HGM] verify: draws that were not flagged are false claims */
8157 sprintf(buf, "False draw claim: '%s'", resultDetails);
8158 result = claimer == 'w' ? BlackWins : WhiteWins;
8159 resultDetails = buf;
8161 /* (Claiming a loss is accepted no questions asked!) */
8163 /* [HGM] bare: don't allow bare King to win */
8164 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8165 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
8166 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
8167 && result != GameIsDrawn)
8168 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
8169 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
8170 int p = (int)boards[forwardMostMove][i][j] - color;
8171 if(p >= 0 && p <= (int)WhiteKing) k++;
8173 if (appData.debugMode) {
8174 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
8175 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
8178 result = GameIsDrawn;
8179 sprintf(buf, "%s but bare king", resultDetails);
8180 resultDetails = buf;
8186 if(serverMoves != NULL && !loadFlag) { char c = '=';
8187 if(result==WhiteWins) c = '+';
8188 if(result==BlackWins) c = '-';
8189 if(resultDetails != NULL)
8190 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
8192 if (resultDetails != NULL) {
8193 gameInfo.result = result;
8194 gameInfo.resultDetails = StrSave(resultDetails);
8196 /* display last move only if game was not loaded from file */
8197 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
8198 DisplayMove(currentMove - 1);
8200 if (forwardMostMove != 0) {
8201 if (gameMode != PlayFromGameFile && gameMode != EditGame
8202 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
8204 if (*appData.saveGameFile != NULLCHAR) {
8205 SaveGameToFile(appData.saveGameFile, TRUE);
8206 } else if (appData.autoSaveGames) {
8209 if (*appData.savePositionFile != NULLCHAR) {
8210 SavePositionToFile(appData.savePositionFile);
8215 /* Tell program how game ended in case it is learning */
8216 /* [HGM] Moved this to after saving the PGN, just in case */
8217 /* engine died and we got here through time loss. In that */
8218 /* case we will get a fatal error writing the pipe, which */
8219 /* would otherwise lose us the PGN. */
8220 /* [HGM] crash: not needed anymore, but doesn't hurt; */
8221 /* output during GameEnds should never be fatal anymore */
8222 if (gameMode == MachinePlaysWhite ||
8223 gameMode == MachinePlaysBlack ||
8224 gameMode == TwoMachinesPlay ||
8225 gameMode == IcsPlayingWhite ||
8226 gameMode == IcsPlayingBlack ||
8227 gameMode == BeginningOfGame) {
8229 sprintf(buf, "result %s {%s}\n", PGNResult(result),
8231 if (first.pr != NoProc) {
8232 SendToProgram(buf, &first);
8234 if (second.pr != NoProc &&
8235 gameMode == TwoMachinesPlay) {
8236 SendToProgram(buf, &second);
8241 if (appData.icsActive) {
8242 if (appData.quietPlay &&
8243 (gameMode == IcsPlayingWhite ||
8244 gameMode == IcsPlayingBlack)) {
8245 SendToICS(ics_prefix);
8246 SendToICS("set shout 1\n");
8248 nextGameMode = IcsIdle;
8249 ics_user_moved = FALSE;
8250 /* clean up premove. It's ugly when the game has ended and the
8251 * premove highlights are still on the board.
8255 ClearPremoveHighlights();
8256 DrawPosition(FALSE, boards[currentMove]);
8258 if (whosays == GE_ICS) {
8261 if (gameMode == IcsPlayingWhite)
8263 else if(gameMode == IcsPlayingBlack)
8267 if (gameMode == IcsPlayingBlack)
8269 else if(gameMode == IcsPlayingWhite)
8276 PlayIcsUnfinishedSound();
8279 } else if (gameMode == EditGame ||
8280 gameMode == PlayFromGameFile ||
8281 gameMode == AnalyzeMode ||
8282 gameMode == AnalyzeFile) {
8283 nextGameMode = gameMode;
8285 nextGameMode = EndOfGame;
8290 nextGameMode = gameMode;
8293 if (appData.noChessProgram) {
8294 gameMode = nextGameMode;
8296 endingGame = 0; /* [HGM] crash */
8301 /* Put first chess program into idle state */
8302 if (first.pr != NoProc &&
8303 (gameMode == MachinePlaysWhite ||
8304 gameMode == MachinePlaysBlack ||
8305 gameMode == TwoMachinesPlay ||
8306 gameMode == IcsPlayingWhite ||
8307 gameMode == IcsPlayingBlack ||
8308 gameMode == BeginningOfGame)) {
8309 SendToProgram("force\n", &first);
8310 if (first.usePing) {
8312 sprintf(buf, "ping %d\n", ++first.lastPing);
8313 SendToProgram(buf, &first);
8316 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
8317 /* Kill off first chess program */
8318 if (first.isr != NULL)
8319 RemoveInputSource(first.isr);
8322 if (first.pr != NoProc) {
8324 DoSleep( appData.delayBeforeQuit );
8325 SendToProgram("quit\n", &first);
8326 DoSleep( appData.delayAfterQuit );
8327 DestroyChildProcess(first.pr, first.useSigterm);
8332 /* Put second chess program into idle state */
8333 if (second.pr != NoProc &&
8334 gameMode == TwoMachinesPlay) {
8335 SendToProgram("force\n", &second);
8336 if (second.usePing) {
8338 sprintf(buf, "ping %d\n", ++second.lastPing);
8339 SendToProgram(buf, &second);
8342 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
8343 /* Kill off second chess program */
8344 if (second.isr != NULL)
8345 RemoveInputSource(second.isr);
8348 if (second.pr != NoProc) {
8349 DoSleep( appData.delayBeforeQuit );
8350 SendToProgram("quit\n", &second);
8351 DoSleep( appData.delayAfterQuit );
8352 DestroyChildProcess(second.pr, second.useSigterm);
8357 if (matchMode && gameMode == TwoMachinesPlay) {
8360 if (first.twoMachinesColor[0] == 'w') {
8367 if (first.twoMachinesColor[0] == 'b') {
8376 if (matchGame < appData.matchGames) {
8378 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
8379 tmp = first.twoMachinesColor;
8380 first.twoMachinesColor = second.twoMachinesColor;
8381 second.twoMachinesColor = tmp;
8383 gameMode = nextGameMode;
8385 if(appData.matchPause>10000 || appData.matchPause<10)
8386 appData.matchPause = 10000; /* [HGM] make pause adjustable */
8387 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
8388 endingGame = 0; /* [HGM] crash */
8392 gameMode = nextGameMode;
8393 sprintf(buf, _("Match %s vs. %s: final score %d-%d-%d"),
8394 first.tidy, second.tidy,
8395 first.matchWins, second.matchWins,
8396 appData.matchGames - (first.matchWins + second.matchWins));
8397 DisplayFatalError(buf, 0, 0);
8400 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
8401 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
8403 gameMode = nextGameMode;
8405 endingGame = 0; /* [HGM] crash */
8408 /* Assumes program was just initialized (initString sent).
8409 Leaves program in force mode. */
8411 FeedMovesToProgram(cps, upto)
8412 ChessProgramState *cps;
8417 if (appData.debugMode)
8418 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
8419 startedFromSetupPosition ? "position and " : "",
8420 backwardMostMove, upto, cps->which);
8421 if(currentlyInitializedVariant != gameInfo.variant) { char buf[MSG_SIZ];
8422 // [HGM] variantswitch: make engine aware of new variant
8423 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
8424 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
8425 sprintf(buf, "variant %s\n", VariantName(gameInfo.variant));
8426 SendToProgram(buf, cps);
8427 currentlyInitializedVariant = gameInfo.variant;
8429 SendToProgram("force\n", cps);
8430 if (startedFromSetupPosition) {
8431 SendBoard(cps, backwardMostMove);
8432 if (appData.debugMode) {
8433 fprintf(debugFP, "feedMoves\n");
8436 for (i = backwardMostMove; i < upto; i++) {
8437 SendMoveToProgram(i, cps);
8443 ResurrectChessProgram()
8445 /* The chess program may have exited.
8446 If so, restart it and feed it all the moves made so far. */
8448 if (appData.noChessProgram || first.pr != NoProc) return;
8450 StartChessProgram(&first);
8451 InitChessProgram(&first, FALSE);
8452 FeedMovesToProgram(&first, currentMove);
8454 if (!first.sendTime) {
8455 /* can't tell gnuchess what its clock should read,
8456 so we bow to its notion. */
8458 timeRemaining[0][currentMove] = whiteTimeRemaining;
8459 timeRemaining[1][currentMove] = blackTimeRemaining;
8462 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
8463 appData.icsEngineAnalyze) && first.analysisSupport) {
8464 SendToProgram("analyze\n", &first);
8465 first.analyzing = TRUE;
8478 if (appData.debugMode) {
8479 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
8480 redraw, init, gameMode);
8482 pausing = pauseExamInvalid = FALSE;
8483 startedFromSetupPosition = blackPlaysFirst = FALSE;
8485 whiteFlag = blackFlag = FALSE;
8486 userOfferedDraw = FALSE;
8487 hintRequested = bookRequested = FALSE;
8488 first.maybeThinking = FALSE;
8489 second.maybeThinking = FALSE;
8490 first.bookSuspend = FALSE; // [HGM] book
8491 second.bookSuspend = FALSE;
8492 thinkOutput[0] = NULLCHAR;
8493 lastHint[0] = NULLCHAR;
8494 ClearGameInfo(&gameInfo);
8495 gameInfo.variant = StringToVariant(appData.variant);
8496 ics_user_moved = ics_clock_paused = FALSE;
8497 ics_getting_history = H_FALSE;
8499 white_holding[0] = black_holding[0] = NULLCHAR;
8500 ClearProgramStats();
8501 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
8505 flipView = appData.flipView;
8506 ClearPremoveHighlights();
8508 alarmSounded = FALSE;
8510 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
8511 if(appData.serverMovesName != NULL) {
8512 /* [HGM] prepare to make moves file for broadcasting */
8513 clock_t t = clock();
8514 if(serverMoves != NULL) fclose(serverMoves);
8515 serverMoves = fopen(appData.serverMovesName, "r");
8516 if(serverMoves != NULL) {
8517 fclose(serverMoves);
8518 /* delay 15 sec before overwriting, so all clients can see end */
8519 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
8521 serverMoves = fopen(appData.serverMovesName, "w");
8525 gameMode = BeginningOfGame;
8527 if(appData.icsActive) gameInfo.variant = VariantNormal;
8528 currentMove = forwardMostMove = backwardMostMove = 0;
8529 InitPosition(redraw);
8530 for (i = 0; i < MAX_MOVES; i++) {
8531 if (commentList[i] != NULL) {
8532 free(commentList[i]);
8533 commentList[i] = NULL;
8537 timeRemaining[0][0] = whiteTimeRemaining;
8538 timeRemaining[1][0] = blackTimeRemaining;
8539 if (first.pr == NULL) {
8540 StartChessProgram(&first);
8543 InitChessProgram(&first, startedFromSetupPosition);
8546 DisplayMessage("", "");
8547 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
8548 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
8555 if (!AutoPlayOneMove())
8557 if (matchMode || appData.timeDelay == 0)
8559 if (appData.timeDelay < 0 || gameMode == AnalyzeFile)
8561 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
8570 int fromX, fromY, toX, toY;
8572 if (appData.debugMode) {
8573 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
8576 if (gameMode != PlayFromGameFile)
8579 if (currentMove >= forwardMostMove) {
8580 gameMode = EditGame;
8583 /* [AS] Clear current move marker at the end of a game */
8584 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
8589 toX = moveList[currentMove][2] - AAA;
8590 toY = moveList[currentMove][3] - ONE;
8592 if (moveList[currentMove][1] == '@') {
8593 if (appData.highlightLastMove) {
8594 SetHighlights(-1, -1, toX, toY);
8597 fromX = moveList[currentMove][0] - AAA;
8598 fromY = moveList[currentMove][1] - ONE;
8600 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
8602 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
8604 if (appData.highlightLastMove) {
8605 SetHighlights(fromX, fromY, toX, toY);
8608 DisplayMove(currentMove);
8609 SendMoveToProgram(currentMove++, &first);
8610 DisplayBothClocks();
8611 DrawPosition(FALSE, boards[currentMove]);
8612 // [HGM] PV info: always display, routine tests if empty
8613 DisplayComment(currentMove - 1, commentList[currentMove]);
8619 LoadGameOneMove(readAhead)
8620 ChessMove readAhead;
8622 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
8623 char promoChar = NULLCHAR;
8628 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
8629 gameMode != AnalyzeMode && gameMode != Training) {
8634 yyboardindex = forwardMostMove;
8635 if (readAhead != (ChessMove)0) {
8636 moveType = readAhead;
8638 if (gameFileFP == NULL)
8640 moveType = (ChessMove) yylex();
8646 if (appData.debugMode)
8647 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
8649 if (*p == '{' || *p == '[' || *p == '(') {
8650 p[strlen(p) - 1] = NULLCHAR;
8654 /* append the comment but don't display it */
8655 while (*p == '\n') p++;
8656 AppendComment(currentMove, p);
8659 case WhiteCapturesEnPassant:
8660 case BlackCapturesEnPassant:
8661 case WhitePromotionChancellor:
8662 case BlackPromotionChancellor:
8663 case WhitePromotionArchbishop:
8664 case BlackPromotionArchbishop:
8665 case WhitePromotionCentaur:
8666 case BlackPromotionCentaur:
8667 case WhitePromotionQueen:
8668 case BlackPromotionQueen:
8669 case WhitePromotionRook:
8670 case BlackPromotionRook:
8671 case WhitePromotionBishop:
8672 case BlackPromotionBishop:
8673 case WhitePromotionKnight:
8674 case BlackPromotionKnight:
8675 case WhitePromotionKing:
8676 case BlackPromotionKing:
8678 case WhiteKingSideCastle:
8679 case WhiteQueenSideCastle:
8680 case BlackKingSideCastle:
8681 case BlackQueenSideCastle:
8682 case WhiteKingSideCastleWild:
8683 case WhiteQueenSideCastleWild:
8684 case BlackKingSideCastleWild:
8685 case BlackQueenSideCastleWild:
8687 case WhiteHSideCastleFR:
8688 case WhiteASideCastleFR:
8689 case BlackHSideCastleFR:
8690 case BlackASideCastleFR:
8692 if (appData.debugMode)
8693 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
8694 fromX = currentMoveString[0] - AAA;
8695 fromY = currentMoveString[1] - ONE;
8696 toX = currentMoveString[2] - AAA;
8697 toY = currentMoveString[3] - ONE;
8698 promoChar = currentMoveString[4];
8703 if (appData.debugMode)
8704 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
8705 fromX = moveType == WhiteDrop ?
8706 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8707 (int) CharToPiece(ToLower(currentMoveString[0]));
8709 toX = currentMoveString[2] - AAA;
8710 toY = currentMoveString[3] - ONE;
8716 case GameUnfinished:
8717 if (appData.debugMode)
8718 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
8719 p = strchr(yy_text, '{');
8720 if (p == NULL) p = strchr(yy_text, '(');
8723 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8725 q = strchr(p, *p == '{' ? '}' : ')');
8726 if (q != NULL) *q = NULLCHAR;
8729 GameEnds(moveType, p, GE_FILE);
8731 if (cmailMsgLoaded) {
8733 flipView = WhiteOnMove(currentMove);
8734 if (moveType == GameUnfinished) flipView = !flipView;
8735 if (appData.debugMode)
8736 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
8740 case (ChessMove) 0: /* end of file */
8741 if (appData.debugMode)
8742 fprintf(debugFP, "Parser hit end of file\n");
8743 switch (MateTest(boards[currentMove], PosFlags(currentMove),
8744 EP_UNKNOWN, castlingRights[currentMove]) ) {
8750 if (WhiteOnMove(currentMove)) {
8751 GameEnds(BlackWins, "Black mates", GE_FILE);
8753 GameEnds(WhiteWins, "White mates", GE_FILE);
8757 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
8764 if (lastLoadGameStart == GNUChessGame) {
8765 /* GNUChessGames have numbers, but they aren't move numbers */
8766 if (appData.debugMode)
8767 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
8768 yy_text, (int) moveType);
8769 return LoadGameOneMove((ChessMove)0); /* tail recursion */
8771 /* else fall thru */
8776 /* Reached start of next game in file */
8777 if (appData.debugMode)
8778 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
8779 switch (MateTest(boards[currentMove], PosFlags(currentMove),
8780 EP_UNKNOWN, castlingRights[currentMove]) ) {
8786 if (WhiteOnMove(currentMove)) {
8787 GameEnds(BlackWins, "Black mates", GE_FILE);
8789 GameEnds(WhiteWins, "White mates", GE_FILE);
8793 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
8799 case PositionDiagram: /* should not happen; ignore */
8800 case ElapsedTime: /* ignore */
8801 case NAG: /* ignore */
8802 if (appData.debugMode)
8803 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
8804 yy_text, (int) moveType);
8805 return LoadGameOneMove((ChessMove)0); /* tail recursion */
8808 if (appData.testLegality) {
8809 if (appData.debugMode)
8810 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
8811 sprintf(move, _("Illegal move: %d.%s%s"),
8812 (forwardMostMove / 2) + 1,
8813 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
8814 DisplayError(move, 0);
8817 if (appData.debugMode)
8818 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
8819 yy_text, currentMoveString);
8820 fromX = currentMoveString[0] - AAA;
8821 fromY = currentMoveString[1] - ONE;
8822 toX = currentMoveString[2] - AAA;
8823 toY = currentMoveString[3] - ONE;
8824 promoChar = currentMoveString[4];
8829 if (appData.debugMode)
8830 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
8831 sprintf(move, _("Ambiguous move: %d.%s%s"),
8832 (forwardMostMove / 2) + 1,
8833 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
8834 DisplayError(move, 0);
8839 case ImpossibleMove:
8840 if (appData.debugMode)
8841 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
8842 sprintf(move, _("Illegal move: %d.%s%s"),
8843 (forwardMostMove / 2) + 1,
8844 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
8845 DisplayError(move, 0);
8851 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
8852 DrawPosition(FALSE, boards[currentMove]);
8853 DisplayBothClocks();
8854 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
8855 DisplayComment(currentMove - 1, commentList[currentMove]);
8857 (void) StopLoadGameTimer();
8859 cmailOldMove = forwardMostMove;
8862 /* currentMoveString is set as a side-effect of yylex */
8863 strcat(currentMoveString, "\n");
8864 strcpy(moveList[forwardMostMove], currentMoveString);
8866 thinkOutput[0] = NULLCHAR;
8867 MakeMove(fromX, fromY, toX, toY, promoChar);
8868 currentMove = forwardMostMove;
8873 /* Load the nth game from the given file */
8875 LoadGameFromFile(filename, n, title, useList)
8879 /*Boolean*/ int useList;
8884 if (strcmp(filename, "-") == 0) {
8888 f = fopen(filename, "rb");
8890 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
8891 DisplayError(buf, errno);
8895 if (fseek(f, 0, 0) == -1) {
8896 /* f is not seekable; probably a pipe */
8899 if (useList && n == 0) {
8900 int error = GameListBuild(f);
8902 DisplayError(_("Cannot build game list"), error);
8903 } else if (!ListEmpty(&gameList) &&
8904 ((ListGame *) gameList.tailPred)->number > 1) {
8905 GameListPopUp(f, title);
8912 return LoadGame(f, n, title, FALSE);
8917 MakeRegisteredMove()
8919 int fromX, fromY, toX, toY;
8921 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
8922 switch (cmailMoveType[lastLoadGameNumber - 1]) {
8925 if (appData.debugMode)
8926 fprintf(debugFP, "Restoring %s for game %d\n",
8927 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
8929 thinkOutput[0] = NULLCHAR;
8930 strcpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1]);
8931 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
8932 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
8933 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
8934 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
8935 promoChar = cmailMove[lastLoadGameNumber - 1][4];
8936 MakeMove(fromX, fromY, toX, toY, promoChar);
8937 ShowMove(fromX, fromY, toX, toY);
8939 switch (MateTest(boards[currentMove], PosFlags(currentMove),
8940 EP_UNKNOWN, castlingRights[currentMove]) ) {
8947 if (WhiteOnMove(currentMove)) {
8948 GameEnds(BlackWins, "Black mates", GE_PLAYER);
8950 GameEnds(WhiteWins, "White mates", GE_PLAYER);
8955 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
8962 if (WhiteOnMove(currentMove)) {
8963 GameEnds(BlackWins, "White resigns", GE_PLAYER);
8965 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
8970 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
8981 /* Wrapper around LoadGame for use when a Cmail message is loaded */
8983 CmailLoadGame(f, gameNumber, title, useList)
8991 if (gameNumber > nCmailGames) {
8992 DisplayError(_("No more games in this message"), 0);
8995 if (f == lastLoadGameFP) {
8996 int offset = gameNumber - lastLoadGameNumber;
8998 cmailMsg[0] = NULLCHAR;
8999 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9000 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
9001 nCmailMovesRegistered--;
9003 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
9004 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
9005 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
9008 if (! RegisterMove()) return FALSE;
9012 retVal = LoadGame(f, gameNumber, title, useList);
9014 /* Make move registered during previous look at this game, if any */
9015 MakeRegisteredMove();
9017 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
9018 commentList[currentMove]
9019 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
9020 DisplayComment(currentMove - 1, commentList[currentMove]);
9026 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
9031 int gameNumber = lastLoadGameNumber + offset;
9032 if (lastLoadGameFP == NULL) {
9033 DisplayError(_("No game has been loaded yet"), 0);
9036 if (gameNumber <= 0) {
9037 DisplayError(_("Can't back up any further"), 0);
9040 if (cmailMsgLoaded) {
9041 return CmailLoadGame(lastLoadGameFP, gameNumber,
9042 lastLoadGameTitle, lastLoadGameUseList);
9044 return LoadGame(lastLoadGameFP, gameNumber,
9045 lastLoadGameTitle, lastLoadGameUseList);
9051 /* Load the nth game from open file f */
9053 LoadGame(f, gameNumber, title, useList)
9061 int gn = gameNumber;
9062 ListGame *lg = NULL;
9065 GameMode oldGameMode;
9066 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
9068 if (appData.debugMode)
9069 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
9071 if (gameMode == Training )
9072 SetTrainingModeOff();
9074 oldGameMode = gameMode;
9075 if (gameMode != BeginningOfGame) {
9080 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
9081 fclose(lastLoadGameFP);
9085 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
9088 fseek(f, lg->offset, 0);
9089 GameListHighlight(gameNumber);
9093 DisplayError(_("Game number out of range"), 0);
9098 if (fseek(f, 0, 0) == -1) {
9099 if (f == lastLoadGameFP ?
9100 gameNumber == lastLoadGameNumber + 1 :
9104 DisplayError(_("Can't seek on game file"), 0);
9110 lastLoadGameNumber = gameNumber;
9111 strcpy(lastLoadGameTitle, title);
9112 lastLoadGameUseList = useList;
9116 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
9117 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
9118 lg->gameInfo.black);
9120 } else if (*title != NULLCHAR) {
9121 if (gameNumber > 1) {
9122 sprintf(buf, "%s %d", title, gameNumber);
9125 DisplayTitle(title);
9129 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
9130 gameMode = PlayFromGameFile;
9134 currentMove = forwardMostMove = backwardMostMove = 0;
9135 CopyBoard(boards[0], initialPosition);
9139 * Skip the first gn-1 games in the file.
9140 * Also skip over anything that precedes an identifiable
9141 * start of game marker, to avoid being confused by
9142 * garbage at the start of the file. Currently
9143 * recognized start of game markers are the move number "1",
9144 * the pattern "gnuchess .* game", the pattern
9145 * "^[#;%] [^ ]* game file", and a PGN tag block.
9146 * A game that starts with one of the latter two patterns
9147 * will also have a move number 1, possibly
9148 * following a position diagram.
9149 * 5-4-02: Let's try being more lenient and allowing a game to
9150 * start with an unnumbered move. Does that break anything?
9152 cm = lastLoadGameStart = (ChessMove) 0;
9154 yyboardindex = forwardMostMove;
9155 cm = (ChessMove) yylex();
9158 if (cmailMsgLoaded) {
9159 nCmailGames = CMAIL_MAX_GAMES - gn;
9162 DisplayError(_("Game not found in file"), 0);
9169 lastLoadGameStart = cm;
9173 switch (lastLoadGameStart) {
9180 gn--; /* count this game */
9181 lastLoadGameStart = cm;
9190 switch (lastLoadGameStart) {
9195 gn--; /* count this game */
9196 lastLoadGameStart = cm;
9199 lastLoadGameStart = cm; /* game counted already */
9207 yyboardindex = forwardMostMove;
9208 cm = (ChessMove) yylex();
9209 } while (cm == PGNTag || cm == Comment);
9216 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
9217 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
9218 != CMAIL_OLD_RESULT) {
9220 cmailResult[ CMAIL_MAX_GAMES
9221 - gn - 1] = CMAIL_OLD_RESULT;
9227 /* Only a NormalMove can be at the start of a game
9228 * without a position diagram. */
9229 if (lastLoadGameStart == (ChessMove) 0) {
9231 lastLoadGameStart = MoveNumberOne;
9240 if (appData.debugMode)
9241 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
9243 if (cm == XBoardGame) {
9244 /* Skip any header junk before position diagram and/or move 1 */
9246 yyboardindex = forwardMostMove;
9247 cm = (ChessMove) yylex();
9249 if (cm == (ChessMove) 0 ||
9250 cm == GNUChessGame || cm == XBoardGame) {
9251 /* Empty game; pretend end-of-file and handle later */
9256 if (cm == MoveNumberOne || cm == PositionDiagram ||
9257 cm == PGNTag || cm == Comment)
9260 } else if (cm == GNUChessGame) {
9261 if (gameInfo.event != NULL) {
9262 free(gameInfo.event);
9264 gameInfo.event = StrSave(yy_text);
9267 startedFromSetupPosition = FALSE;
9268 while (cm == PGNTag) {
9269 if (appData.debugMode)
9270 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
9271 err = ParsePGNTag(yy_text, &gameInfo);
9272 if (!err) numPGNTags++;
9274 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
9275 if(gameInfo.variant != oldVariant) {
9276 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
9278 oldVariant = gameInfo.variant;
9279 if (appData.debugMode)
9280 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
9284 if (gameInfo.fen != NULL) {
9285 Board initial_position;
9286 startedFromSetupPosition = TRUE;
9287 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
9289 DisplayError(_("Bad FEN position in file"), 0);
9292 CopyBoard(boards[0], initial_position);
9293 if (blackPlaysFirst) {
9294 currentMove = forwardMostMove = backwardMostMove = 1;
9295 CopyBoard(boards[1], initial_position);
9296 strcpy(moveList[0], "");
9297 strcpy(parseList[0], "");
9298 timeRemaining[0][1] = whiteTimeRemaining;
9299 timeRemaining[1][1] = blackTimeRemaining;
9300 if (commentList[0] != NULL) {
9301 commentList[1] = commentList[0];
9302 commentList[0] = NULL;
9305 currentMove = forwardMostMove = backwardMostMove = 0;
9307 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
9309 initialRulePlies = FENrulePlies;
9310 epStatus[forwardMostMove] = FENepStatus;
9311 for( i=0; i< nrCastlingRights; i++ )
9312 initialRights[i] = castlingRights[forwardMostMove][i] = FENcastlingRights[i];
9314 yyboardindex = forwardMostMove;
9316 gameInfo.fen = NULL;
9319 yyboardindex = forwardMostMove;
9320 cm = (ChessMove) yylex();
9322 /* Handle comments interspersed among the tags */
9323 while (cm == Comment) {
9325 if (appData.debugMode)
9326 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9328 if (*p == '{' || *p == '[' || *p == '(') {
9329 p[strlen(p) - 1] = NULLCHAR;
9332 while (*p == '\n') p++;
9333 AppendComment(currentMove, p);
9334 yyboardindex = forwardMostMove;
9335 cm = (ChessMove) yylex();
9339 /* don't rely on existence of Event tag since if game was
9340 * pasted from clipboard the Event tag may not exist
9342 if (numPGNTags > 0){
9344 if (gameInfo.variant == VariantNormal) {
9345 gameInfo.variant = StringToVariant(gameInfo.event);
9348 if( appData.autoDisplayTags ) {
9349 tags = PGNTags(&gameInfo);
9350 TagsPopUp(tags, CmailMsg());
9355 /* Make something up, but don't display it now */
9360 if (cm == PositionDiagram) {
9363 Board initial_position;
9365 if (appData.debugMode)
9366 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
9368 if (!startedFromSetupPosition) {
9370 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
9371 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
9381 initial_position[i][j++] = CharToPiece(*p);
9384 while (*p == ' ' || *p == '\t' ||
9385 *p == '\n' || *p == '\r') p++;
9387 if (strncmp(p, "black", strlen("black"))==0)
9388 blackPlaysFirst = TRUE;
9390 blackPlaysFirst = FALSE;
9391 startedFromSetupPosition = TRUE;
9393 CopyBoard(boards[0], initial_position);
9394 if (blackPlaysFirst) {
9395 currentMove = forwardMostMove = backwardMostMove = 1;
9396 CopyBoard(boards[1], initial_position);
9397 strcpy(moveList[0], "");
9398 strcpy(parseList[0], "");
9399 timeRemaining[0][1] = whiteTimeRemaining;
9400 timeRemaining[1][1] = blackTimeRemaining;
9401 if (commentList[0] != NULL) {
9402 commentList[1] = commentList[0];
9403 commentList[0] = NULL;
9406 currentMove = forwardMostMove = backwardMostMove = 0;
9409 yyboardindex = forwardMostMove;
9410 cm = (ChessMove) yylex();
9413 if (first.pr == NoProc) {
9414 StartChessProgram(&first);
9416 InitChessProgram(&first, FALSE);
9417 SendToProgram("force\n", &first);
9418 if (startedFromSetupPosition) {
9419 SendBoard(&first, forwardMostMove);
9420 if (appData.debugMode) {
9421 fprintf(debugFP, "Load Game\n");
9423 DisplayBothClocks();
9426 /* [HGM] server: flag to write setup moves in broadcast file as one */
9427 loadFlag = appData.suppressLoadMoves;
9429 while (cm == Comment) {
9431 if (appData.debugMode)
9432 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9434 if (*p == '{' || *p == '[' || *p == '(') {
9435 p[strlen(p) - 1] = NULLCHAR;
9438 while (*p == '\n') p++;
9439 AppendComment(currentMove, p);
9440 yyboardindex = forwardMostMove;
9441 cm = (ChessMove) yylex();
9444 if ((cm == (ChessMove) 0 && lastLoadGameStart != (ChessMove) 0) ||
9445 cm == WhiteWins || cm == BlackWins ||
9446 cm == GameIsDrawn || cm == GameUnfinished) {
9447 DisplayMessage("", _("No moves in game"));
9448 if (cmailMsgLoaded) {
9449 if (appData.debugMode)
9450 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
9454 DrawPosition(FALSE, boards[currentMove]);
9455 DisplayBothClocks();
9456 gameMode = EditGame;
9463 // [HGM] PV info: routine tests if comment empty
9464 if (!matchMode && (pausing || appData.timeDelay != 0)) {
9465 DisplayComment(currentMove - 1, commentList[currentMove]);
9467 if (!matchMode && appData.timeDelay != 0)
9468 DrawPosition(FALSE, boards[currentMove]);
9470 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
9471 programStats.ok_to_send = 1;
9474 /* if the first token after the PGN tags is a move
9475 * and not move number 1, retrieve it from the parser
9477 if (cm != MoveNumberOne)
9478 LoadGameOneMove(cm);
9480 /* load the remaining moves from the file */
9481 while (LoadGameOneMove((ChessMove)0)) {
9482 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9483 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9486 /* rewind to the start of the game */
9487 currentMove = backwardMostMove;
9489 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9491 if (oldGameMode == AnalyzeFile ||
9492 oldGameMode == AnalyzeMode) {
9496 if (matchMode || appData.timeDelay == 0) {
9498 gameMode = EditGame;
9500 } else if (appData.timeDelay > 0) {
9504 if (appData.debugMode)
9505 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
9507 loadFlag = 0; /* [HGM] true game starts */
9511 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
9513 ReloadPosition(offset)
9516 int positionNumber = lastLoadPositionNumber + offset;
9517 if (lastLoadPositionFP == NULL) {
9518 DisplayError(_("No position has been loaded yet"), 0);
9521 if (positionNumber <= 0) {
9522 DisplayError(_("Can't back up any further"), 0);
9525 return LoadPosition(lastLoadPositionFP, positionNumber,
9526 lastLoadPositionTitle);
9529 /* Load the nth position from the given file */
9531 LoadPositionFromFile(filename, n, title)
9539 if (strcmp(filename, "-") == 0) {
9540 return LoadPosition(stdin, n, "stdin");
9542 f = fopen(filename, "rb");
9544 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9545 DisplayError(buf, errno);
9548 return LoadPosition(f, n, title);
9553 /* Load the nth position from the given open file, and close it */
9555 LoadPosition(f, positionNumber, title)
9560 char *p, line[MSG_SIZ];
9561 Board initial_position;
9562 int i, j, fenMode, pn;
9564 if (gameMode == Training )
9565 SetTrainingModeOff();
9567 if (gameMode != BeginningOfGame) {
9570 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
9571 fclose(lastLoadPositionFP);
9573 if (positionNumber == 0) positionNumber = 1;
9574 lastLoadPositionFP = f;
9575 lastLoadPositionNumber = positionNumber;
9576 strcpy(lastLoadPositionTitle, title);
9577 if (first.pr == NoProc) {
9578 StartChessProgram(&first);
9579 InitChessProgram(&first, FALSE);
9581 pn = positionNumber;
9582 if (positionNumber < 0) {
9583 /* Negative position number means to seek to that byte offset */
9584 if (fseek(f, -positionNumber, 0) == -1) {
9585 DisplayError(_("Can't seek on position file"), 0);
9590 if (fseek(f, 0, 0) == -1) {
9591 if (f == lastLoadPositionFP ?
9592 positionNumber == lastLoadPositionNumber + 1 :
9593 positionNumber == 1) {
9596 DisplayError(_("Can't seek on position file"), 0);
9601 /* See if this file is FEN or old-style xboard */
9602 if (fgets(line, MSG_SIZ, f) == NULL) {
9603 DisplayError(_("Position not found in file"), 0);
9606 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
9607 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
9610 if (fenMode || line[0] == '#') pn--;
9612 /* skip positions before number pn */
9613 if (fgets(line, MSG_SIZ, f) == NULL) {
9615 DisplayError(_("Position not found in file"), 0);
9618 if (fenMode || line[0] == '#') pn--;
9623 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
9624 DisplayError(_("Bad FEN position in file"), 0);
9628 (void) fgets(line, MSG_SIZ, f);
9629 (void) fgets(line, MSG_SIZ, f);
9631 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
9632 (void) fgets(line, MSG_SIZ, f);
9633 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
9636 initial_position[i][j++] = CharToPiece(*p);
9640 blackPlaysFirst = FALSE;
9642 (void) fgets(line, MSG_SIZ, f);
9643 if (strncmp(line, "black", strlen("black"))==0)
9644 blackPlaysFirst = TRUE;
9647 startedFromSetupPosition = TRUE;
9649 SendToProgram("force\n", &first);
9650 CopyBoard(boards[0], initial_position);
9651 if (blackPlaysFirst) {
9652 currentMove = forwardMostMove = backwardMostMove = 1;
9653 strcpy(moveList[0], "");
9654 strcpy(parseList[0], "");
9655 CopyBoard(boards[1], initial_position);
9656 DisplayMessage("", _("Black to play"));
9658 currentMove = forwardMostMove = backwardMostMove = 0;
9659 DisplayMessage("", _("White to play"));
9661 /* [HGM] copy FEN attributes as well */
9663 initialRulePlies = FENrulePlies;
9664 epStatus[forwardMostMove] = FENepStatus;
9665 for( i=0; i< nrCastlingRights; i++ )
9666 castlingRights[forwardMostMove][i] = FENcastlingRights[i];
9668 SendBoard(&first, forwardMostMove);
9669 if (appData.debugMode) {
9671 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", castlingRights[i][j]);fprintf(debugFP,"\n");}
9672 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
9673 fprintf(debugFP, "Load Position\n");
9676 if (positionNumber > 1) {
9677 sprintf(line, "%s %d", title, positionNumber);
9680 DisplayTitle(title);
9682 gameMode = EditGame;
9685 timeRemaining[0][1] = whiteTimeRemaining;
9686 timeRemaining[1][1] = blackTimeRemaining;
9687 DrawPosition(FALSE, boards[currentMove]);
9694 CopyPlayerNameIntoFileName(dest, src)
9697 while (*src != NULLCHAR && *src != ',') {
9702 *(*dest)++ = *src++;
9707 char *DefaultFileName(ext)
9710 static char def[MSG_SIZ];
9713 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
9715 CopyPlayerNameIntoFileName(&p, gameInfo.white);
9717 CopyPlayerNameIntoFileName(&p, gameInfo.black);
9726 /* Save the current game to the given file */
9728 SaveGameToFile(filename, append)
9735 if (strcmp(filename, "-") == 0) {
9736 return SaveGame(stdout, 0, NULL);
9738 f = fopen(filename, append ? "a" : "w");
9740 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9741 DisplayError(buf, errno);
9744 return SaveGame(f, 0, NULL);
9753 static char buf[MSG_SIZ];
9756 p = strchr(str, ' ');
9757 if (p == NULL) return str;
9758 strncpy(buf, str, p - str);
9759 buf[p - str] = NULLCHAR;
9763 #define PGN_MAX_LINE 75
9765 #define PGN_SIDE_WHITE 0
9766 #define PGN_SIDE_BLACK 1
9769 static int FindFirstMoveOutOfBook( int side )
9773 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
9774 int index = backwardMostMove;
9775 int has_book_hit = 0;
9777 if( (index % 2) != side ) {
9781 while( index < forwardMostMove ) {
9782 /* Check to see if engine is in book */
9783 int depth = pvInfoList[index].depth;
9784 int score = pvInfoList[index].score;
9790 else if( score == 0 && depth == 63 ) {
9791 in_book = 1; /* Zappa */
9793 else if( score == 2 && depth == 99 ) {
9794 in_book = 1; /* Abrok */
9797 has_book_hit += in_book;
9813 void GetOutOfBookInfo( char * buf )
9817 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
9819 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
9820 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
9824 if( oob[0] >= 0 || oob[1] >= 0 ) {
9825 for( i=0; i<2; i++ ) {
9829 if( i > 0 && oob[0] >= 0 ) {
9833 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
9834 sprintf( buf+strlen(buf), "%s%.2f",
9835 pvInfoList[idx].score >= 0 ? "+" : "",
9836 pvInfoList[idx].score / 100.0 );
9842 /* Save game in PGN style and close the file */
9847 int i, offset, linelen, newblock;
9851 int movelen, numlen, blank;
9852 char move_buffer[100]; /* [AS] Buffer for move+PV info */
9854 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
9856 tm = time((time_t *) NULL);
9858 PrintPGNTags(f, &gameInfo);
9860 if (backwardMostMove > 0 || startedFromSetupPosition) {
9861 char *fen = PositionToFEN(backwardMostMove, NULL);
9862 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
9863 fprintf(f, "\n{--------------\n");
9864 PrintPosition(f, backwardMostMove);
9865 fprintf(f, "--------------}\n");
9869 /* [AS] Out of book annotation */
9870 if( appData.saveOutOfBookInfo ) {
9873 GetOutOfBookInfo( buf );
9875 if( buf[0] != '\0' ) {
9876 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
9883 i = backwardMostMove;
9887 while (i < forwardMostMove) {
9888 /* Print comments preceding this move */
9889 if (commentList[i] != NULL) {
9890 if (linelen > 0) fprintf(f, "\n");
9891 fprintf(f, "{\n%s}\n", commentList[i]);
9896 /* Format move number */
9898 sprintf(numtext, "%d.", (i - offset)/2 + 1);
9901 sprintf(numtext, "%d...", (i - offset)/2 + 1);
9903 numtext[0] = NULLCHAR;
9906 numlen = strlen(numtext);
9909 /* Print move number */
9910 blank = linelen > 0 && numlen > 0;
9911 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
9920 fprintf(f, "%s", numtext);
9924 strcpy(move_buffer, SavePart(parseList[i])); // [HGM] pgn: print move via buffer, so it can be edited
9925 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
9928 blank = linelen > 0 && movelen > 0;
9929 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
9938 fprintf(f, "%s", move_buffer);
9941 /* [AS] Add PV info if present */
9942 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
9943 /* [HGM] add time */
9944 char buf[MSG_SIZ]; int seconds;
9946 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
9948 if( seconds <= 0) buf[0] = 0; else
9949 if( seconds < 30 ) sprintf(buf, " %3.1f%c", seconds/10., 0); else {
9950 seconds = (seconds + 4)/10; // round to full seconds
9951 if( seconds < 60 ) sprintf(buf, " %d%c", seconds, 0); else
9952 sprintf(buf, " %d:%02d%c", seconds/60, seconds%60, 0);
9955 sprintf( move_buffer, "{%s%.2f/%d%s}",
9956 pvInfoList[i].score >= 0 ? "+" : "",
9957 pvInfoList[i].score / 100.0,
9958 pvInfoList[i].depth,
9961 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
9963 /* Print score/depth */
9964 blank = linelen > 0 && movelen > 0;
9965 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
9974 fprintf(f, "%s", move_buffer);
9981 /* Start a new line */
9982 if (linelen > 0) fprintf(f, "\n");
9984 /* Print comments after last move */
9985 if (commentList[i] != NULL) {
9986 fprintf(f, "{\n%s}\n", commentList[i]);
9990 if (gameInfo.resultDetails != NULL &&
9991 gameInfo.resultDetails[0] != NULLCHAR) {
9992 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
9993 PGNResult(gameInfo.result));
9995 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
9999 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10003 /* Save game in old style and close the file */
10005 SaveGameOldStyle(f)
10011 tm = time((time_t *) NULL);
10013 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
10016 if (backwardMostMove > 0 || startedFromSetupPosition) {
10017 fprintf(f, "\n[--------------\n");
10018 PrintPosition(f, backwardMostMove);
10019 fprintf(f, "--------------]\n");
10024 i = backwardMostMove;
10025 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10027 while (i < forwardMostMove) {
10028 if (commentList[i] != NULL) {
10029 fprintf(f, "[%s]\n", commentList[i]);
10032 if ((i % 2) == 1) {
10033 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
10036 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
10038 if (commentList[i] != NULL) {
10042 if (i >= forwardMostMove) {
10046 fprintf(f, "%s\n", parseList[i]);
10051 if (commentList[i] != NULL) {
10052 fprintf(f, "[%s]\n", commentList[i]);
10055 /* This isn't really the old style, but it's close enough */
10056 if (gameInfo.resultDetails != NULL &&
10057 gameInfo.resultDetails[0] != NULLCHAR) {
10058 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
10059 gameInfo.resultDetails);
10061 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10068 /* Save the current game to open file f and close the file */
10070 SaveGame(f, dummy, dummy2)
10075 if (gameMode == EditPosition) EditPositionDone(TRUE);
10076 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10077 if (appData.oldSaveStyle)
10078 return SaveGameOldStyle(f);
10080 return SaveGamePGN(f);
10083 /* Save the current position to the given file */
10085 SavePositionToFile(filename)
10091 if (strcmp(filename, "-") == 0) {
10092 return SavePosition(stdout, 0, NULL);
10094 f = fopen(filename, "a");
10096 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10097 DisplayError(buf, errno);
10100 SavePosition(f, 0, NULL);
10106 /* Save the current position to the given open file and close the file */
10108 SavePosition(f, dummy, dummy2)
10116 if (gameMode == EditPosition) EditPositionDone(TRUE);
10117 if (appData.oldSaveStyle) {
10118 tm = time((time_t *) NULL);
10120 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
10122 fprintf(f, "[--------------\n");
10123 PrintPosition(f, currentMove);
10124 fprintf(f, "--------------]\n");
10126 fen = PositionToFEN(currentMove, NULL);
10127 fprintf(f, "%s\n", fen);
10135 ReloadCmailMsgEvent(unregister)
10139 static char *inFilename = NULL;
10140 static char *outFilename;
10142 struct stat inbuf, outbuf;
10145 /* Any registered moves are unregistered if unregister is set, */
10146 /* i.e. invoked by the signal handler */
10148 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
10149 cmailMoveRegistered[i] = FALSE;
10150 if (cmailCommentList[i] != NULL) {
10151 free(cmailCommentList[i]);
10152 cmailCommentList[i] = NULL;
10155 nCmailMovesRegistered = 0;
10158 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
10159 cmailResult[i] = CMAIL_NOT_RESULT;
10163 if (inFilename == NULL) {
10164 /* Because the filenames are static they only get malloced once */
10165 /* and they never get freed */
10166 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
10167 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
10169 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
10170 sprintf(outFilename, "%s.out", appData.cmailGameName);
10173 status = stat(outFilename, &outbuf);
10175 cmailMailedMove = FALSE;
10177 status = stat(inFilename, &inbuf);
10178 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
10181 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
10182 counts the games, notes how each one terminated, etc.
10184 It would be nice to remove this kludge and instead gather all
10185 the information while building the game list. (And to keep it
10186 in the game list nodes instead of having a bunch of fixed-size
10187 parallel arrays.) Note this will require getting each game's
10188 termination from the PGN tags, as the game list builder does
10189 not process the game moves. --mann
10191 cmailMsgLoaded = TRUE;
10192 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
10194 /* Load first game in the file or popup game menu */
10195 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
10197 #endif /* !WIN32 */
10205 char string[MSG_SIZ];
10207 if ( cmailMailedMove
10208 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
10209 return TRUE; /* Allow free viewing */
10212 /* Unregister move to ensure that we don't leave RegisterMove */
10213 /* with the move registered when the conditions for registering no */
10215 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10216 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
10217 nCmailMovesRegistered --;
10219 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
10221 free(cmailCommentList[lastLoadGameNumber - 1]);
10222 cmailCommentList[lastLoadGameNumber - 1] = NULL;
10226 if (cmailOldMove == -1) {
10227 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
10231 if (currentMove > cmailOldMove + 1) {
10232 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
10236 if (currentMove < cmailOldMove) {
10237 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
10241 if (forwardMostMove > currentMove) {
10242 /* Silently truncate extra moves */
10246 if ( (currentMove == cmailOldMove + 1)
10247 || ( (currentMove == cmailOldMove)
10248 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
10249 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
10250 if (gameInfo.result != GameUnfinished) {
10251 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
10254 if (commentList[currentMove] != NULL) {
10255 cmailCommentList[lastLoadGameNumber - 1]
10256 = StrSave(commentList[currentMove]);
10258 strcpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1]);
10260 if (appData.debugMode)
10261 fprintf(debugFP, "Saving %s for game %d\n",
10262 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
10265 "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
10267 f = fopen(string, "w");
10268 if (appData.oldSaveStyle) {
10269 SaveGameOldStyle(f); /* also closes the file */
10271 sprintf(string, "%s.pos.out", appData.cmailGameName);
10272 f = fopen(string, "w");
10273 SavePosition(f, 0, NULL); /* also closes the file */
10275 fprintf(f, "{--------------\n");
10276 PrintPosition(f, currentMove);
10277 fprintf(f, "--------------}\n\n");
10279 SaveGame(f, 0, NULL); /* also closes the file*/
10282 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
10283 nCmailMovesRegistered ++;
10284 } else if (nCmailGames == 1) {
10285 DisplayError(_("You have not made a move yet"), 0);
10296 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
10297 FILE *commandOutput;
10298 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
10299 int nBytes = 0; /* Suppress warnings on uninitialized variables */
10305 if (! cmailMsgLoaded) {
10306 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
10310 if (nCmailGames == nCmailResults) {
10311 DisplayError(_("No unfinished games"), 0);
10315 #if CMAIL_PROHIBIT_REMAIL
10316 if (cmailMailedMove) {
10317 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);
10318 DisplayError(msg, 0);
10323 if (! (cmailMailedMove || RegisterMove())) return;
10325 if ( cmailMailedMove
10326 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
10327 sprintf(string, partCommandString,
10328 appData.debugMode ? " -v" : "", appData.cmailGameName);
10329 commandOutput = popen(string, "r");
10331 if (commandOutput == NULL) {
10332 DisplayError(_("Failed to invoke cmail"), 0);
10334 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
10335 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
10337 if (nBuffers > 1) {
10338 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
10339 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
10340 nBytes = MSG_SIZ - 1;
10342 (void) memcpy(msg, buffer, nBytes);
10344 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
10346 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
10347 cmailMailedMove = TRUE; /* Prevent >1 moves */
10350 for (i = 0; i < nCmailGames; i ++) {
10351 if (cmailResult[i] == CMAIL_NOT_RESULT) {
10356 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
10358 sprintf(buffer, "%s/%s.%s.archive",
10360 appData.cmailGameName,
10362 LoadGameFromFile(buffer, 1, buffer, FALSE);
10363 cmailMsgLoaded = FALSE;
10367 DisplayInformation(msg);
10368 pclose(commandOutput);
10371 if ((*cmailMsg) != '\0') {
10372 DisplayInformation(cmailMsg);
10377 #endif /* !WIN32 */
10386 int prependComma = 0;
10388 char string[MSG_SIZ]; /* Space for game-list */
10391 if (!cmailMsgLoaded) return "";
10393 if (cmailMailedMove) {
10394 sprintf(cmailMsg, _("Waiting for reply from opponent\n"));
10396 /* Create a list of games left */
10397 sprintf(string, "[");
10398 for (i = 0; i < nCmailGames; i ++) {
10399 if (! ( cmailMoveRegistered[i]
10400 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
10401 if (prependComma) {
10402 sprintf(number, ",%d", i + 1);
10404 sprintf(number, "%d", i + 1);
10408 strcat(string, number);
10411 strcat(string, "]");
10413 if (nCmailMovesRegistered + nCmailResults == 0) {
10414 switch (nCmailGames) {
10417 _("Still need to make move for game\n"));
10422 _("Still need to make moves for both games\n"));
10427 _("Still need to make moves for all %d games\n"),
10432 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
10435 _("Still need to make a move for game %s\n"),
10440 if (nCmailResults == nCmailGames) {
10441 sprintf(cmailMsg, _("No unfinished games\n"));
10443 sprintf(cmailMsg, _("Ready to send mail\n"));
10449 _("Still need to make moves for games %s\n"),
10461 if (gameMode == Training)
10462 SetTrainingModeOff();
10465 cmailMsgLoaded = FALSE;
10466 if (appData.icsActive) {
10467 SendToICS(ics_prefix);
10468 SendToICS("refresh\n");
10478 /* Give up on clean exit */
10482 /* Keep trying for clean exit */
10486 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
10488 if (telnetISR != NULL) {
10489 RemoveInputSource(telnetISR);
10491 if (icsPR != NoProc) {
10492 DestroyChildProcess(icsPR, TRUE);
10495 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
10496 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
10498 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
10499 /* make sure this other one finishes before killing it! */
10500 if(endingGame) { int count = 0;
10501 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
10502 while(endingGame && count++ < 10) DoSleep(1);
10503 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
10506 /* Kill off chess programs */
10507 if (first.pr != NoProc) {
10510 DoSleep( appData.delayBeforeQuit );
10511 SendToProgram("quit\n", &first);
10512 DoSleep( appData.delayAfterQuit );
10513 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
10515 if (second.pr != NoProc) {
10516 DoSleep( appData.delayBeforeQuit );
10517 SendToProgram("quit\n", &second);
10518 DoSleep( appData.delayAfterQuit );
10519 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
10521 if (first.isr != NULL) {
10522 RemoveInputSource(first.isr);
10524 if (second.isr != NULL) {
10525 RemoveInputSource(second.isr);
10528 ShutDownFrontEnd();
10535 if (appData.debugMode)
10536 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
10540 if (gameMode == MachinePlaysWhite ||
10541 gameMode == MachinePlaysBlack) {
10544 DisplayBothClocks();
10546 if (gameMode == PlayFromGameFile) {
10547 if (appData.timeDelay >= 0)
10548 AutoPlayGameLoop();
10549 } else if (gameMode == IcsExamining && pauseExamInvalid) {
10550 Reset(FALSE, TRUE);
10551 SendToICS(ics_prefix);
10552 SendToICS("refresh\n");
10553 } else if (currentMove < forwardMostMove) {
10554 ForwardInner(forwardMostMove);
10556 pauseExamInvalid = FALSE;
10558 switch (gameMode) {
10562 pauseExamForwardMostMove = forwardMostMove;
10563 pauseExamInvalid = FALSE;
10566 case IcsPlayingWhite:
10567 case IcsPlayingBlack:
10571 case PlayFromGameFile:
10572 (void) StopLoadGameTimer();
10576 case BeginningOfGame:
10577 if (appData.icsActive) return;
10578 /* else fall through */
10579 case MachinePlaysWhite:
10580 case MachinePlaysBlack:
10581 case TwoMachinesPlay:
10582 if (forwardMostMove == 0)
10583 return; /* don't pause if no one has moved */
10584 if ((gameMode == MachinePlaysWhite &&
10585 !WhiteOnMove(forwardMostMove)) ||
10586 (gameMode == MachinePlaysBlack &&
10587 WhiteOnMove(forwardMostMove))) {
10600 char title[MSG_SIZ];
10602 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
10603 strcpy(title, _("Edit comment"));
10605 sprintf(title, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
10606 WhiteOnMove(currentMove - 1) ? " " : ".. ",
10607 parseList[currentMove - 1]);
10610 EditCommentPopUp(currentMove, title, commentList[currentMove]);
10617 char *tags = PGNTags(&gameInfo);
10618 EditTagsPopUp(tags);
10625 if (appData.noChessProgram || gameMode == AnalyzeMode)
10628 if (gameMode != AnalyzeFile) {
10629 if (!appData.icsEngineAnalyze) {
10631 if (gameMode != EditGame) return;
10633 ResurrectChessProgram();
10634 SendToProgram("analyze\n", &first);
10635 first.analyzing = TRUE;
10636 /*first.maybeThinking = TRUE;*/
10637 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
10638 EngineOutputPopUp();
10640 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
10645 StartAnalysisClock();
10646 GetTimeMark(&lastNodeCountTime);
10653 if (appData.noChessProgram || gameMode == AnalyzeFile)
10656 if (gameMode != AnalyzeMode) {
10658 if (gameMode != EditGame) return;
10659 ResurrectChessProgram();
10660 SendToProgram("analyze\n", &first);
10661 first.analyzing = TRUE;
10662 /*first.maybeThinking = TRUE;*/
10663 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
10664 EngineOutputPopUp();
10666 gameMode = AnalyzeFile;
10671 StartAnalysisClock();
10672 GetTimeMark(&lastNodeCountTime);
10677 MachineWhiteEvent()
10680 char *bookHit = NULL;
10682 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
10686 if (gameMode == PlayFromGameFile ||
10687 gameMode == TwoMachinesPlay ||
10688 gameMode == Training ||
10689 gameMode == AnalyzeMode ||
10690 gameMode == EndOfGame)
10693 if (gameMode == EditPosition)
10694 EditPositionDone(TRUE);
10696 if (!WhiteOnMove(currentMove)) {
10697 DisplayError(_("It is not White's turn"), 0);
10701 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
10704 if (gameMode == EditGame || gameMode == AnalyzeMode ||
10705 gameMode == AnalyzeFile)
10708 ResurrectChessProgram(); /* in case it isn't running */
10709 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
10710 gameMode = MachinePlaysWhite;
10713 gameMode = MachinePlaysWhite;
10717 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
10719 if (first.sendName) {
10720 sprintf(buf, "name %s\n", gameInfo.black);
10721 SendToProgram(buf, &first);
10723 if (first.sendTime) {
10724 if (first.useColors) {
10725 SendToProgram("black\n", &first); /*gnu kludge*/
10727 SendTimeRemaining(&first, TRUE);
10729 if (first.useColors) {
10730 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
10732 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
10733 SetMachineThinkingEnables();
10734 first.maybeThinking = TRUE;
10738 if (appData.autoFlipView && !flipView) {
10739 flipView = !flipView;
10740 DrawPosition(FALSE, NULL);
10741 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
10744 if(bookHit) { // [HGM] book: simulate book reply
10745 static char bookMove[MSG_SIZ]; // a bit generous?
10747 programStats.nodes = programStats.depth = programStats.time =
10748 programStats.score = programStats.got_only_move = 0;
10749 sprintf(programStats.movelist, "%s (xbook)", bookHit);
10751 strcpy(bookMove, "move ");
10752 strcat(bookMove, bookHit);
10753 HandleMachineMove(bookMove, &first);
10758 MachineBlackEvent()
10761 char *bookHit = NULL;
10763 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
10767 if (gameMode == PlayFromGameFile ||
10768 gameMode == TwoMachinesPlay ||
10769 gameMode == Training ||
10770 gameMode == AnalyzeMode ||
10771 gameMode == EndOfGame)
10774 if (gameMode == EditPosition)
10775 EditPositionDone(TRUE);
10777 if (WhiteOnMove(currentMove)) {
10778 DisplayError(_("It is not Black's turn"), 0);
10782 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
10785 if (gameMode == EditGame || gameMode == AnalyzeMode ||
10786 gameMode == AnalyzeFile)
10789 ResurrectChessProgram(); /* in case it isn't running */
10790 gameMode = MachinePlaysBlack;
10794 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
10796 if (first.sendName) {
10797 sprintf(buf, "name %s\n", gameInfo.white);
10798 SendToProgram(buf, &first);
10800 if (first.sendTime) {
10801 if (first.useColors) {
10802 SendToProgram("white\n", &first); /*gnu kludge*/
10804 SendTimeRemaining(&first, FALSE);
10806 if (first.useColors) {
10807 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
10809 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
10810 SetMachineThinkingEnables();
10811 first.maybeThinking = TRUE;
10814 if (appData.autoFlipView && flipView) {
10815 flipView = !flipView;
10816 DrawPosition(FALSE, NULL);
10817 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
10819 if(bookHit) { // [HGM] book: simulate book reply
10820 static char bookMove[MSG_SIZ]; // a bit generous?
10822 programStats.nodes = programStats.depth = programStats.time =
10823 programStats.score = programStats.got_only_move = 0;
10824 sprintf(programStats.movelist, "%s (xbook)", bookHit);
10826 strcpy(bookMove, "move ");
10827 strcat(bookMove, bookHit);
10828 HandleMachineMove(bookMove, &first);
10834 DisplayTwoMachinesTitle()
10837 if (appData.matchGames > 0) {
10838 if (first.twoMachinesColor[0] == 'w') {
10839 sprintf(buf, "%s vs. %s (%d-%d-%d)",
10840 gameInfo.white, gameInfo.black,
10841 first.matchWins, second.matchWins,
10842 matchGame - 1 - (first.matchWins + second.matchWins));
10844 sprintf(buf, "%s vs. %s (%d-%d-%d)",
10845 gameInfo.white, gameInfo.black,
10846 second.matchWins, first.matchWins,
10847 matchGame - 1 - (first.matchWins + second.matchWins));
10850 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
10856 TwoMachinesEvent P((void))
10860 ChessProgramState *onmove;
10861 char *bookHit = NULL;
10863 if (appData.noChessProgram) return;
10865 switch (gameMode) {
10866 case TwoMachinesPlay:
10868 case MachinePlaysWhite:
10869 case MachinePlaysBlack:
10870 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
10871 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
10875 case BeginningOfGame:
10876 case PlayFromGameFile:
10879 if (gameMode != EditGame) return;
10882 EditPositionDone(TRUE);
10893 forwardMostMove = currentMove;
10894 ResurrectChessProgram(); /* in case first program isn't running */
10896 if (second.pr == NULL) {
10897 StartChessProgram(&second);
10898 if (second.protocolVersion == 1) {
10899 TwoMachinesEventIfReady();
10901 /* kludge: allow timeout for initial "feature" command */
10903 DisplayMessage("", _("Starting second chess program"));
10904 ScheduleDelayedEvent(TwoMachinesEventIfReady, FEATURE_TIMEOUT);
10908 DisplayMessage("", "");
10909 InitChessProgram(&second, FALSE);
10910 SendToProgram("force\n", &second);
10911 if (startedFromSetupPosition) {
10912 SendBoard(&second, backwardMostMove);
10913 if (appData.debugMode) {
10914 fprintf(debugFP, "Two Machines\n");
10917 for (i = backwardMostMove; i < forwardMostMove; i++) {
10918 SendMoveToProgram(i, &second);
10921 gameMode = TwoMachinesPlay;
10925 DisplayTwoMachinesTitle();
10927 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
10933 SendToProgram(first.computerString, &first);
10934 if (first.sendName) {
10935 sprintf(buf, "name %s\n", second.tidy);
10936 SendToProgram(buf, &first);
10938 SendToProgram(second.computerString, &second);
10939 if (second.sendName) {
10940 sprintf(buf, "name %s\n", first.tidy);
10941 SendToProgram(buf, &second);
10945 if (!first.sendTime || !second.sendTime) {
10946 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10947 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10949 if (onmove->sendTime) {
10950 if (onmove->useColors) {
10951 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
10953 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
10955 if (onmove->useColors) {
10956 SendToProgram(onmove->twoMachinesColor, onmove);
10958 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
10959 // SendToProgram("go\n", onmove);
10960 onmove->maybeThinking = TRUE;
10961 SetMachineThinkingEnables();
10965 if(bookHit) { // [HGM] book: simulate book reply
10966 static char bookMove[MSG_SIZ]; // a bit generous?
10968 programStats.nodes = programStats.depth = programStats.time =
10969 programStats.score = programStats.got_only_move = 0;
10970 sprintf(programStats.movelist, "%s (xbook)", bookHit);
10972 strcpy(bookMove, "move ");
10973 strcat(bookMove, bookHit);
10974 savedMessage = bookMove; // args for deferred call
10975 savedState = onmove;
10976 ScheduleDelayedEvent(DeferredBookMove, 1);
10983 if (gameMode == Training) {
10984 SetTrainingModeOff();
10985 gameMode = PlayFromGameFile;
10986 DisplayMessage("", _("Training mode off"));
10988 gameMode = Training;
10989 animateTraining = appData.animate;
10991 /* make sure we are not already at the end of the game */
10992 if (currentMove < forwardMostMove) {
10993 SetTrainingModeOn();
10994 DisplayMessage("", _("Training mode on"));
10996 gameMode = PlayFromGameFile;
10997 DisplayError(_("Already at end of game"), 0);
11006 if (!appData.icsActive) return;
11007 switch (gameMode) {
11008 case IcsPlayingWhite:
11009 case IcsPlayingBlack:
11012 case BeginningOfGame:
11020 EditPositionDone(TRUE);
11033 gameMode = IcsIdle;
11044 switch (gameMode) {
11046 SetTrainingModeOff();
11048 case MachinePlaysWhite:
11049 case MachinePlaysBlack:
11050 case BeginningOfGame:
11051 SendToProgram("force\n", &first);
11052 SetUserThinkingEnables();
11054 case PlayFromGameFile:
11055 (void) StopLoadGameTimer();
11056 if (gameFileFP != NULL) {
11061 EditPositionDone(TRUE);
11066 SendToProgram("force\n", &first);
11068 case TwoMachinesPlay:
11069 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
11070 ResurrectChessProgram();
11071 SetUserThinkingEnables();
11074 ResurrectChessProgram();
11076 case IcsPlayingBlack:
11077 case IcsPlayingWhite:
11078 DisplayError(_("Warning: You are still playing a game"), 0);
11081 DisplayError(_("Warning: You are still observing a game"), 0);
11084 DisplayError(_("Warning: You are still examining a game"), 0);
11095 first.offeredDraw = second.offeredDraw = 0;
11097 if (gameMode == PlayFromGameFile) {
11098 whiteTimeRemaining = timeRemaining[0][currentMove];
11099 blackTimeRemaining = timeRemaining[1][currentMove];
11103 if (gameMode == MachinePlaysWhite ||
11104 gameMode == MachinePlaysBlack ||
11105 gameMode == TwoMachinesPlay ||
11106 gameMode == EndOfGame) {
11107 i = forwardMostMove;
11108 while (i > currentMove) {
11109 SendToProgram("undo\n", &first);
11112 whiteTimeRemaining = timeRemaining[0][currentMove];
11113 blackTimeRemaining = timeRemaining[1][currentMove];
11114 DisplayBothClocks();
11115 if (whiteFlag || blackFlag) {
11116 whiteFlag = blackFlag = 0;
11121 gameMode = EditGame;
11128 EditPositionEvent()
11130 if (gameMode == EditPosition) {
11136 if (gameMode != EditGame) return;
11138 gameMode = EditPosition;
11141 if (currentMove > 0)
11142 CopyBoard(boards[0], boards[currentMove]);
11144 blackPlaysFirst = !WhiteOnMove(currentMove);
11146 currentMove = forwardMostMove = backwardMostMove = 0;
11147 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11154 /* [DM] icsEngineAnalyze - possible call from other functions */
11155 if (appData.icsEngineAnalyze) {
11156 appData.icsEngineAnalyze = FALSE;
11158 DisplayMessage("",_("Close ICS engine analyze..."));
11160 if (first.analysisSupport && first.analyzing) {
11161 SendToProgram("exit\n", &first);
11162 first.analyzing = FALSE;
11164 thinkOutput[0] = NULLCHAR;
11168 EditPositionDone(Boolean fakeRights)
11170 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
11172 startedFromSetupPosition = TRUE;
11173 InitChessProgram(&first, FALSE);
11175 { /* don't do this if we just pasted FEN */
11176 castlingRights[0][2] = castlingRights[0][5] = BOARD_WIDTH>>1;
11177 if(boards[0][0][BOARD_WIDTH>>1] == king)
11179 castlingRights[0][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : -1;
11180 castlingRights[0][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : -1;
11183 castlingRights[0][2] = -1;
11184 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king)
11186 castlingRights[0][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : -1;
11187 castlingRights[0][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : -1;
11190 castlingRights[0][5] = -1;
11192 SendToProgram("force\n", &first);
11193 if (blackPlaysFirst) {
11194 strcpy(moveList[0], "");
11195 strcpy(parseList[0], "");
11196 currentMove = forwardMostMove = backwardMostMove = 1;
11197 CopyBoard(boards[1], boards[0]);
11198 /* [HGM] copy rights as well, as this code is also used after pasting a FEN */
11200 epStatus[1] = epStatus[0];
11201 for(i=0; i<nrCastlingRights; i++) castlingRights[1][i] = castlingRights[0][i];
11204 currentMove = forwardMostMove = backwardMostMove = 0;
11206 SendBoard(&first, forwardMostMove);
11207 if (appData.debugMode) {
11208 fprintf(debugFP, "EditPosDone\n");
11211 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11212 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11213 gameMode = EditGame;
11215 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11216 ClearHighlights(); /* [AS] */
11219 /* Pause for `ms' milliseconds */
11220 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
11230 } while (SubtractTimeMarks(&m2, &m1) < ms);
11233 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
11235 SendMultiLineToICS(buf)
11238 char temp[MSG_SIZ+1], *p;
11245 strncpy(temp, buf, len);
11250 if (*p == '\n' || *p == '\r')
11255 strcat(temp, "\n");
11257 SendToPlayer(temp, strlen(temp));
11261 SetWhiteToPlayEvent()
11263 if (gameMode == EditPosition) {
11264 blackPlaysFirst = FALSE;
11265 DisplayBothClocks(); /* works because currentMove is 0 */
11266 } else if (gameMode == IcsExamining) {
11267 SendToICS(ics_prefix);
11268 SendToICS("tomove white\n");
11273 SetBlackToPlayEvent()
11275 if (gameMode == EditPosition) {
11276 blackPlaysFirst = TRUE;
11277 currentMove = 1; /* kludge */
11278 DisplayBothClocks();
11280 } else if (gameMode == IcsExamining) {
11281 SendToICS(ics_prefix);
11282 SendToICS("tomove black\n");
11287 EditPositionMenuEvent(selection, x, y)
11288 ChessSquare selection;
11292 ChessSquare piece = boards[0][y][x];
11294 if (gameMode != EditPosition && gameMode != IcsExamining) return;
11296 switch (selection) {
11298 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
11299 SendToICS(ics_prefix);
11300 SendToICS("bsetup clear\n");
11301 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
11302 SendToICS(ics_prefix);
11303 SendToICS("clearboard\n");
11305 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
11306 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
11307 for (y = 0; y < BOARD_HEIGHT; y++) {
11308 if (gameMode == IcsExamining) {
11309 if (boards[currentMove][y][x] != EmptySquare) {
11310 sprintf(buf, "%sx@%c%c\n", ics_prefix,
11315 boards[0][y][x] = p;
11320 if (gameMode == EditPosition) {
11321 DrawPosition(FALSE, boards[0]);
11326 SetWhiteToPlayEvent();
11330 SetBlackToPlayEvent();
11334 if (gameMode == IcsExamining) {
11335 sprintf(buf, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
11338 boards[0][y][x] = EmptySquare;
11339 DrawPosition(FALSE, boards[0]);
11344 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
11345 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
11346 selection = (ChessSquare) (PROMOTED piece);
11347 } else if(piece == EmptySquare) selection = WhiteSilver;
11348 else selection = (ChessSquare)((int)piece - 1);
11352 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
11353 piece > (int)BlackMan && piece <= (int)BlackKing ) {
11354 selection = (ChessSquare) (DEMOTED piece);
11355 } else if(piece == EmptySquare) selection = BlackSilver;
11356 else selection = (ChessSquare)((int)piece + 1);
11361 if(gameInfo.variant == VariantShatranj ||
11362 gameInfo.variant == VariantXiangqi ||
11363 gameInfo.variant == VariantCourier )
11364 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
11369 if(gameInfo.variant == VariantXiangqi)
11370 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
11371 if(gameInfo.variant == VariantKnightmate)
11372 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
11375 if (gameMode == IcsExamining) {
11376 sprintf(buf, "%s%c@%c%c\n", ics_prefix,
11377 PieceToChar(selection), AAA + x, ONE + y);
11380 boards[0][y][x] = selection;
11381 DrawPosition(FALSE, boards[0]);
11389 DropMenuEvent(selection, x, y)
11390 ChessSquare selection;
11393 ChessMove moveType;
11395 switch (gameMode) {
11396 case IcsPlayingWhite:
11397 case MachinePlaysBlack:
11398 if (!WhiteOnMove(currentMove)) {
11399 DisplayMoveError(_("It is Black's turn"));
11402 moveType = WhiteDrop;
11404 case IcsPlayingBlack:
11405 case MachinePlaysWhite:
11406 if (WhiteOnMove(currentMove)) {
11407 DisplayMoveError(_("It is White's turn"));
11410 moveType = BlackDrop;
11413 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
11419 if (moveType == BlackDrop && selection < BlackPawn) {
11420 selection = (ChessSquare) ((int) selection
11421 + (int) BlackPawn - (int) WhitePawn);
11423 if (boards[currentMove][y][x] != EmptySquare) {
11424 DisplayMoveError(_("That square is occupied"));
11428 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
11434 /* Accept a pending offer of any kind from opponent */
11436 if (appData.icsActive) {
11437 SendToICS(ics_prefix);
11438 SendToICS("accept\n");
11439 } else if (cmailMsgLoaded) {
11440 if (currentMove == cmailOldMove &&
11441 commentList[cmailOldMove] != NULL &&
11442 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
11443 "Black offers a draw" : "White offers a draw")) {
11445 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11446 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
11448 DisplayError(_("There is no pending offer on this move"), 0);
11449 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11452 /* Not used for offers from chess program */
11459 /* Decline a pending offer of any kind from opponent */
11461 if (appData.icsActive) {
11462 SendToICS(ics_prefix);
11463 SendToICS("decline\n");
11464 } else if (cmailMsgLoaded) {
11465 if (currentMove == cmailOldMove &&
11466 commentList[cmailOldMove] != NULL &&
11467 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
11468 "Black offers a draw" : "White offers a draw")) {
11470 AppendComment(cmailOldMove, "Draw declined");
11471 DisplayComment(cmailOldMove - 1, "Draw declined");
11474 DisplayError(_("There is no pending offer on this move"), 0);
11477 /* Not used for offers from chess program */
11484 /* Issue ICS rematch command */
11485 if (appData.icsActive) {
11486 SendToICS(ics_prefix);
11487 SendToICS("rematch\n");
11494 /* Call your opponent's flag (claim a win on time) */
11495 if (appData.icsActive) {
11496 SendToICS(ics_prefix);
11497 SendToICS("flag\n");
11499 switch (gameMode) {
11502 case MachinePlaysWhite:
11505 GameEnds(GameIsDrawn, "Both players ran out of time",
11508 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
11510 DisplayError(_("Your opponent is not out of time"), 0);
11513 case MachinePlaysBlack:
11516 GameEnds(GameIsDrawn, "Both players ran out of time",
11519 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
11521 DisplayError(_("Your opponent is not out of time"), 0);
11531 /* Offer draw or accept pending draw offer from opponent */
11533 if (appData.icsActive) {
11534 /* Note: tournament rules require draw offers to be
11535 made after you make your move but before you punch
11536 your clock. Currently ICS doesn't let you do that;
11537 instead, you immediately punch your clock after making
11538 a move, but you can offer a draw at any time. */
11540 SendToICS(ics_prefix);
11541 SendToICS("draw\n");
11542 } else if (cmailMsgLoaded) {
11543 if (currentMove == cmailOldMove &&
11544 commentList[cmailOldMove] != NULL &&
11545 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
11546 "Black offers a draw" : "White offers a draw")) {
11547 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11548 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
11549 } else if (currentMove == cmailOldMove + 1) {
11550 char *offer = WhiteOnMove(cmailOldMove) ?
11551 "White offers a draw" : "Black offers a draw";
11552 AppendComment(currentMove, offer);
11553 DisplayComment(currentMove - 1, offer);
11554 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
11556 DisplayError(_("You must make your move before offering a draw"), 0);
11557 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11559 } else if (first.offeredDraw) {
11560 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
11562 if (first.sendDrawOffers) {
11563 SendToProgram("draw\n", &first);
11564 userOfferedDraw = TRUE;
11572 /* Offer Adjourn or accept pending Adjourn offer from opponent */
11574 if (appData.icsActive) {
11575 SendToICS(ics_prefix);
11576 SendToICS("adjourn\n");
11578 /* Currently GNU Chess doesn't offer or accept Adjourns */
11586 /* Offer Abort or accept pending Abort offer from opponent */
11588 if (appData.icsActive) {
11589 SendToICS(ics_prefix);
11590 SendToICS("abort\n");
11592 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
11599 /* Resign. You can do this even if it's not your turn. */
11601 if (appData.icsActive) {
11602 SendToICS(ics_prefix);
11603 SendToICS("resign\n");
11605 switch (gameMode) {
11606 case MachinePlaysWhite:
11607 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11609 case MachinePlaysBlack:
11610 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11613 if (cmailMsgLoaded) {
11615 if (WhiteOnMove(cmailOldMove)) {
11616 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11618 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11620 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
11631 StopObservingEvent()
11633 /* Stop observing current games */
11634 SendToICS(ics_prefix);
11635 SendToICS("unobserve\n");
11639 StopExaminingEvent()
11641 /* Stop observing current game */
11642 SendToICS(ics_prefix);
11643 SendToICS("unexamine\n");
11647 ForwardInner(target)
11652 if (appData.debugMode)
11653 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
11654 target, currentMove, forwardMostMove);
11656 if (gameMode == EditPosition)
11659 if (gameMode == PlayFromGameFile && !pausing)
11662 if (gameMode == IcsExamining && pausing)
11663 limit = pauseExamForwardMostMove;
11665 limit = forwardMostMove;
11667 if (target > limit) target = limit;
11669 if (target > 0 && moveList[target - 1][0]) {
11670 int fromX, fromY, toX, toY;
11671 toX = moveList[target - 1][2] - AAA;
11672 toY = moveList[target - 1][3] - ONE;
11673 if (moveList[target - 1][1] == '@') {
11674 if (appData.highlightLastMove) {
11675 SetHighlights(-1, -1, toX, toY);
11678 fromX = moveList[target - 1][0] - AAA;
11679 fromY = moveList[target - 1][1] - ONE;
11680 if (target == currentMove + 1) {
11681 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11683 if (appData.highlightLastMove) {
11684 SetHighlights(fromX, fromY, toX, toY);
11688 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11689 gameMode == Training || gameMode == PlayFromGameFile ||
11690 gameMode == AnalyzeFile) {
11691 while (currentMove < target) {
11692 SendMoveToProgram(currentMove++, &first);
11695 currentMove = target;
11698 if (gameMode == EditGame || gameMode == EndOfGame) {
11699 whiteTimeRemaining = timeRemaining[0][currentMove];
11700 blackTimeRemaining = timeRemaining[1][currentMove];
11702 DisplayBothClocks();
11703 DisplayMove(currentMove - 1);
11704 DrawPosition(FALSE, boards[currentMove]);
11705 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
11706 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
11707 DisplayComment(currentMove - 1, commentList[currentMove]);
11715 if (gameMode == IcsExamining && !pausing) {
11716 SendToICS(ics_prefix);
11717 SendToICS("forward\n");
11719 ForwardInner(currentMove + 1);
11726 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
11727 /* to optimze, we temporarily turn off analysis mode while we feed
11728 * the remaining moves to the engine. Otherwise we get analysis output
11731 if (first.analysisSupport) {
11732 SendToProgram("exit\nforce\n", &first);
11733 first.analyzing = FALSE;
11737 if (gameMode == IcsExamining && !pausing) {
11738 SendToICS(ics_prefix);
11739 SendToICS("forward 999999\n");
11741 ForwardInner(forwardMostMove);
11744 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
11745 /* we have fed all the moves, so reactivate analysis mode */
11746 SendToProgram("analyze\n", &first);
11747 first.analyzing = TRUE;
11748 /*first.maybeThinking = TRUE;*/
11749 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11754 BackwardInner(target)
11757 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
11759 if (appData.debugMode)
11760 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
11761 target, currentMove, forwardMostMove);
11763 if (gameMode == EditPosition) return;
11764 if (currentMove <= backwardMostMove) {
11766 DrawPosition(full_redraw, boards[currentMove]);
11769 if (gameMode == PlayFromGameFile && !pausing)
11772 if (moveList[target][0]) {
11773 int fromX, fromY, toX, toY;
11774 toX = moveList[target][2] - AAA;
11775 toY = moveList[target][3] - ONE;
11776 if (moveList[target][1] == '@') {
11777 if (appData.highlightLastMove) {
11778 SetHighlights(-1, -1, toX, toY);
11781 fromX = moveList[target][0] - AAA;
11782 fromY = moveList[target][1] - ONE;
11783 if (target == currentMove - 1) {
11784 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
11786 if (appData.highlightLastMove) {
11787 SetHighlights(fromX, fromY, toX, toY);
11791 if (gameMode == EditGame || gameMode==AnalyzeMode ||
11792 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
11793 while (currentMove > target) {
11794 SendToProgram("undo\n", &first);
11798 currentMove = target;
11801 if (gameMode == EditGame || gameMode == EndOfGame) {
11802 whiteTimeRemaining = timeRemaining[0][currentMove];
11803 blackTimeRemaining = timeRemaining[1][currentMove];
11805 DisplayBothClocks();
11806 DisplayMove(currentMove - 1);
11807 DrawPosition(full_redraw, boards[currentMove]);
11808 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
11809 // [HGM] PV info: routine tests if comment empty
11810 DisplayComment(currentMove - 1, commentList[currentMove]);
11816 if (gameMode == IcsExamining && !pausing) {
11817 SendToICS(ics_prefix);
11818 SendToICS("backward\n");
11820 BackwardInner(currentMove - 1);
11827 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
11828 /* to optimize, we temporarily turn off analysis mode while we undo
11829 * all the moves. Otherwise we get analysis output after each undo.
11831 if (first.analysisSupport) {
11832 SendToProgram("exit\nforce\n", &first);
11833 first.analyzing = FALSE;
11837 if (gameMode == IcsExamining && !pausing) {
11838 SendToICS(ics_prefix);
11839 SendToICS("backward 999999\n");
11841 BackwardInner(backwardMostMove);
11844 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
11845 /* we have fed all the moves, so reactivate analysis mode */
11846 SendToProgram("analyze\n", &first);
11847 first.analyzing = TRUE;
11848 /*first.maybeThinking = TRUE;*/
11849 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11856 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
11857 if (to >= forwardMostMove) to = forwardMostMove;
11858 if (to <= backwardMostMove) to = backwardMostMove;
11859 if (to < currentMove) {
11869 if (gameMode != IcsExamining) {
11870 DisplayError(_("You are not examining a game"), 0);
11874 DisplayError(_("You can't revert while pausing"), 0);
11877 SendToICS(ics_prefix);
11878 SendToICS("revert\n");
11884 switch (gameMode) {
11885 case MachinePlaysWhite:
11886 case MachinePlaysBlack:
11887 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11888 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11891 if (forwardMostMove < 2) return;
11892 currentMove = forwardMostMove = forwardMostMove - 2;
11893 whiteTimeRemaining = timeRemaining[0][currentMove];
11894 blackTimeRemaining = timeRemaining[1][currentMove];
11895 DisplayBothClocks();
11896 DisplayMove(currentMove - 1);
11897 ClearHighlights();/*!! could figure this out*/
11898 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
11899 SendToProgram("remove\n", &first);
11900 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
11903 case BeginningOfGame:
11907 case IcsPlayingWhite:
11908 case IcsPlayingBlack:
11909 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
11910 SendToICS(ics_prefix);
11911 SendToICS("takeback 2\n");
11913 SendToICS(ics_prefix);
11914 SendToICS("takeback 1\n");
11923 ChessProgramState *cps;
11925 switch (gameMode) {
11926 case MachinePlaysWhite:
11927 if (!WhiteOnMove(forwardMostMove)) {
11928 DisplayError(_("It is your turn"), 0);
11933 case MachinePlaysBlack:
11934 if (WhiteOnMove(forwardMostMove)) {
11935 DisplayError(_("It is your turn"), 0);
11940 case TwoMachinesPlay:
11941 if (WhiteOnMove(forwardMostMove) ==
11942 (first.twoMachinesColor[0] == 'w')) {
11948 case BeginningOfGame:
11952 SendToProgram("?\n", cps);
11956 TruncateGameEvent()
11959 if (gameMode != EditGame) return;
11966 if (forwardMostMove > currentMove) {
11967 if (gameInfo.resultDetails != NULL) {
11968 free(gameInfo.resultDetails);
11969 gameInfo.resultDetails = NULL;
11970 gameInfo.result = GameUnfinished;
11972 forwardMostMove = currentMove;
11973 HistorySet(parseList, backwardMostMove, forwardMostMove,
11981 if (appData.noChessProgram) return;
11982 switch (gameMode) {
11983 case MachinePlaysWhite:
11984 if (WhiteOnMove(forwardMostMove)) {
11985 DisplayError(_("Wait until your turn"), 0);
11989 case BeginningOfGame:
11990 case MachinePlaysBlack:
11991 if (!WhiteOnMove(forwardMostMove)) {
11992 DisplayError(_("Wait until your turn"), 0);
11997 DisplayError(_("No hint available"), 0);
12000 SendToProgram("hint\n", &first);
12001 hintRequested = TRUE;
12007 if (appData.noChessProgram) return;
12008 switch (gameMode) {
12009 case MachinePlaysWhite:
12010 if (WhiteOnMove(forwardMostMove)) {
12011 DisplayError(_("Wait until your turn"), 0);
12015 case BeginningOfGame:
12016 case MachinePlaysBlack:
12017 if (!WhiteOnMove(forwardMostMove)) {
12018 DisplayError(_("Wait until your turn"), 0);
12023 EditPositionDone(TRUE);
12025 case TwoMachinesPlay:
12030 SendToProgram("bk\n", &first);
12031 bookOutput[0] = NULLCHAR;
12032 bookRequested = TRUE;
12038 char *tags = PGNTags(&gameInfo);
12039 TagsPopUp(tags, CmailMsg());
12043 /* end button procedures */
12046 PrintPosition(fp, move)
12052 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12053 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
12054 char c = PieceToChar(boards[move][i][j]);
12055 fputc(c == 'x' ? '.' : c, fp);
12056 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
12059 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
12060 fprintf(fp, "white to play\n");
12062 fprintf(fp, "black to play\n");
12069 if (gameInfo.white != NULL) {
12070 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
12076 /* Find last component of program's own name, using some heuristics */
12078 TidyProgramName(prog, host, buf)
12079 char *prog, *host, buf[MSG_SIZ];
12082 int local = (strcmp(host, "localhost") == 0);
12083 while (!local && (p = strchr(prog, ';')) != NULL) {
12085 while (*p == ' ') p++;
12088 if (*prog == '"' || *prog == '\'') {
12089 q = strchr(prog + 1, *prog);
12091 q = strchr(prog, ' ');
12093 if (q == NULL) q = prog + strlen(prog);
12095 while (p >= prog && *p != '/' && *p != '\\') p--;
12097 if(p == prog && *p == '"') p++;
12098 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
12099 memcpy(buf, p, q - p);
12100 buf[q - p] = NULLCHAR;
12108 TimeControlTagValue()
12111 if (!appData.clockMode) {
12113 } else if (movesPerSession > 0) {
12114 sprintf(buf, "%d/%ld", movesPerSession, timeControl/1000);
12115 } else if (timeIncrement == 0) {
12116 sprintf(buf, "%ld", timeControl/1000);
12118 sprintf(buf, "%ld+%ld", timeControl/1000, timeIncrement/1000);
12120 return StrSave(buf);
12126 /* This routine is used only for certain modes */
12127 VariantClass v = gameInfo.variant;
12128 ClearGameInfo(&gameInfo);
12129 gameInfo.variant = v;
12131 switch (gameMode) {
12132 case MachinePlaysWhite:
12133 gameInfo.event = StrSave( appData.pgnEventHeader );
12134 gameInfo.site = StrSave(HostName());
12135 gameInfo.date = PGNDate();
12136 gameInfo.round = StrSave("-");
12137 gameInfo.white = StrSave(first.tidy);
12138 gameInfo.black = StrSave(UserName());
12139 gameInfo.timeControl = TimeControlTagValue();
12142 case MachinePlaysBlack:
12143 gameInfo.event = StrSave( appData.pgnEventHeader );
12144 gameInfo.site = StrSave(HostName());
12145 gameInfo.date = PGNDate();
12146 gameInfo.round = StrSave("-");
12147 gameInfo.white = StrSave(UserName());
12148 gameInfo.black = StrSave(first.tidy);
12149 gameInfo.timeControl = TimeControlTagValue();
12152 case TwoMachinesPlay:
12153 gameInfo.event = StrSave( appData.pgnEventHeader );
12154 gameInfo.site = StrSave(HostName());
12155 gameInfo.date = PGNDate();
12156 if (matchGame > 0) {
12158 sprintf(buf, "%d", matchGame);
12159 gameInfo.round = StrSave(buf);
12161 gameInfo.round = StrSave("-");
12163 if (first.twoMachinesColor[0] == 'w') {
12164 gameInfo.white = StrSave(first.tidy);
12165 gameInfo.black = StrSave(second.tidy);
12167 gameInfo.white = StrSave(second.tidy);
12168 gameInfo.black = StrSave(first.tidy);
12170 gameInfo.timeControl = TimeControlTagValue();
12174 gameInfo.event = StrSave("Edited game");
12175 gameInfo.site = StrSave(HostName());
12176 gameInfo.date = PGNDate();
12177 gameInfo.round = StrSave("-");
12178 gameInfo.white = StrSave("-");
12179 gameInfo.black = StrSave("-");
12183 gameInfo.event = StrSave("Edited position");
12184 gameInfo.site = StrSave(HostName());
12185 gameInfo.date = PGNDate();
12186 gameInfo.round = StrSave("-");
12187 gameInfo.white = StrSave("-");
12188 gameInfo.black = StrSave("-");
12191 case IcsPlayingWhite:
12192 case IcsPlayingBlack:
12197 case PlayFromGameFile:
12198 gameInfo.event = StrSave("Game from non-PGN file");
12199 gameInfo.site = StrSave(HostName());
12200 gameInfo.date = PGNDate();
12201 gameInfo.round = StrSave("-");
12202 gameInfo.white = StrSave("?");
12203 gameInfo.black = StrSave("?");
12212 ReplaceComment(index, text)
12218 while (*text == '\n') text++;
12219 len = strlen(text);
12220 while (len > 0 && text[len - 1] == '\n') len--;
12222 if (commentList[index] != NULL)
12223 free(commentList[index]);
12226 commentList[index] = NULL;
12229 commentList[index] = (char *) malloc(len + 2);
12230 strncpy(commentList[index], text, len);
12231 commentList[index][len] = '\n';
12232 commentList[index][len + 1] = NULLCHAR;
12245 if (ch == '\r') continue;
12247 } while (ch != '\0');
12251 AppendComment(index, text)
12258 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
12261 while (*text == '\n') text++;
12262 len = strlen(text);
12263 while (len > 0 && text[len - 1] == '\n') len--;
12265 if (len == 0) return;
12267 if (commentList[index] != NULL) {
12268 old = commentList[index];
12269 oldlen = strlen(old);
12270 commentList[index] = (char *) malloc(oldlen + len + 2);
12271 strcpy(commentList[index], old);
12273 strncpy(&commentList[index][oldlen], text, len);
12274 commentList[index][oldlen + len] = '\n';
12275 commentList[index][oldlen + len + 1] = NULLCHAR;
12277 commentList[index] = (char *) malloc(len + 2);
12278 strncpy(commentList[index], text, len);
12279 commentList[index][len] = '\n';
12280 commentList[index][len + 1] = NULLCHAR;
12284 static char * FindStr( char * text, char * sub_text )
12286 char * result = strstr( text, sub_text );
12288 if( result != NULL ) {
12289 result += strlen( sub_text );
12295 /* [AS] Try to extract PV info from PGN comment */
12296 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
12297 char *GetInfoFromComment( int index, char * text )
12301 if( text != NULL && index > 0 ) {
12304 int time = -1, sec = 0, deci;
12305 char * s_eval = FindStr( text, "[%eval " );
12306 char * s_emt = FindStr( text, "[%emt " );
12308 if( s_eval != NULL || s_emt != NULL ) {
12312 if( s_eval != NULL ) {
12313 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
12317 if( delim != ']' ) {
12322 if( s_emt != NULL ) {
12326 /* We expect something like: [+|-]nnn.nn/dd */
12329 sep = strchr( text, '/' );
12330 if( sep == NULL || sep < (text+4) ) {
12334 time = -1; sec = -1; deci = -1;
12335 if( sscanf( text, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
12336 sscanf( text, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
12337 sscanf( text, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
12338 sscanf( text, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
12342 if( score_lo < 0 || score_lo >= 100 ) {
12346 if(sec >= 0) time = 600*time + 10*sec; else
12347 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
12349 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
12351 /* [HGM] PV time: now locate end of PV info */
12352 while( *++sep >= '0' && *sep <= '9'); // strip depth
12354 while( *++sep >= '0' && *sep <= '9'); // strip time
12356 while( *++sep >= '0' && *sep <= '9'); // strip seconds
12358 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
12359 while(*sep == ' ') sep++;
12370 pvInfoList[index-1].depth = depth;
12371 pvInfoList[index-1].score = score;
12372 pvInfoList[index-1].time = 10*time; // centi-sec
12378 SendToProgram(message, cps)
12380 ChessProgramState *cps;
12382 int count, outCount, error;
12385 if (cps->pr == NULL) return;
12388 if (appData.debugMode) {
12391 fprintf(debugFP, "%ld >%-6s: %s",
12392 SubtractTimeMarks(&now, &programStartTime),
12393 cps->which, message);
12396 count = strlen(message);
12397 outCount = OutputToProcess(cps->pr, message, count, &error);
12398 if (outCount < count && !exiting
12399 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
12400 sprintf(buf, _("Error writing to %s chess program"), cps->which);
12401 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
12402 if(epStatus[forwardMostMove] <= EP_DRAWS) {
12403 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
12404 sprintf(buf, "%s program exits in draw position (%s)", cps->which, cps->program);
12406 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
12408 gameInfo.resultDetails = StrSave(buf);
12410 DisplayFatalError(buf, error, 1);
12415 ReceiveFromProgram(isr, closure, message, count, error)
12416 InputSourceRef isr;
12424 ChessProgramState *cps = (ChessProgramState *)closure;
12426 if (isr != cps->isr) return; /* Killed intentionally */
12430 _("Error: %s chess program (%s) exited unexpectedly"),
12431 cps->which, cps->program);
12432 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
12433 if(epStatus[forwardMostMove] <= EP_DRAWS) {
12434 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
12435 sprintf(buf, _("%s program exits in draw position (%s)"), cps->which, cps->program);
12437 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
12439 gameInfo.resultDetails = StrSave(buf);
12441 RemoveInputSource(cps->isr);
12442 DisplayFatalError(buf, 0, 1);
12445 _("Error reading from %s chess program (%s)"),
12446 cps->which, cps->program);
12447 RemoveInputSource(cps->isr);
12449 /* [AS] Program is misbehaving badly... kill it */
12450 if( count == -2 ) {
12451 DestroyChildProcess( cps->pr, 9 );
12455 DisplayFatalError(buf, error, 1);
12460 if ((end_str = strchr(message, '\r')) != NULL)
12461 *end_str = NULLCHAR;
12462 if ((end_str = strchr(message, '\n')) != NULL)
12463 *end_str = NULLCHAR;
12465 if (appData.debugMode) {
12466 TimeMark now; int print = 1;
12467 char *quote = ""; char c; int i;
12469 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
12470 char start = message[0];
12471 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
12472 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
12473 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
12474 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
12475 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
12476 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
12477 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
12478 sscanf(message, "pong %c", &c)!=1 && start != '#')
12479 { quote = "# "; print = (appData.engineComments == 2); }
12480 message[0] = start; // restore original message
12484 fprintf(debugFP, "%ld <%-6s: %s%s\n",
12485 SubtractTimeMarks(&now, &programStartTime), cps->which,
12491 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
12492 if (appData.icsEngineAnalyze) {
12493 if (strstr(message, "whisper") != NULL ||
12494 strstr(message, "kibitz") != NULL ||
12495 strstr(message, "tellics") != NULL) return;
12498 HandleMachineMove(message, cps);
12503 SendTimeControl(cps, mps, tc, inc, sd, st)
12504 ChessProgramState *cps;
12505 int mps, inc, sd, st;
12511 if( timeControl_2 > 0 ) {
12512 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
12513 tc = timeControl_2;
12516 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
12517 inc /= cps->timeOdds;
12518 st /= cps->timeOdds;
12520 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
12523 /* Set exact time per move, normally using st command */
12524 if (cps->stKludge) {
12525 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
12527 if (seconds == 0) {
12528 sprintf(buf, "level 1 %d\n", st/60);
12530 sprintf(buf, "level 1 %d:%02d\n", st/60, seconds);
12533 sprintf(buf, "st %d\n", st);
12536 /* Set conventional or incremental time control, using level command */
12537 if (seconds == 0) {
12538 /* Note old gnuchess bug -- minutes:seconds used to not work.
12539 Fixed in later versions, but still avoid :seconds
12540 when seconds is 0. */
12541 sprintf(buf, "level %d %ld %d\n", mps, tc/60000, inc/1000);
12543 sprintf(buf, "level %d %ld:%02d %d\n", mps, tc/60000,
12544 seconds, inc/1000);
12547 SendToProgram(buf, cps);
12549 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
12550 /* Orthogonally, limit search to given depth */
12552 if (cps->sdKludge) {
12553 sprintf(buf, "depth\n%d\n", sd);
12555 sprintf(buf, "sd %d\n", sd);
12557 SendToProgram(buf, cps);
12560 if(cps->nps > 0) { /* [HGM] nps */
12561 if(cps->supportsNPS == FALSE) cps->nps = -1; // don't use if engine explicitly says not supported!
12563 sprintf(buf, "nps %d\n", cps->nps);
12564 SendToProgram(buf, cps);
12569 ChessProgramState *WhitePlayer()
12570 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
12572 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
12573 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
12579 SendTimeRemaining(cps, machineWhite)
12580 ChessProgramState *cps;
12581 int /*boolean*/ machineWhite;
12583 char message[MSG_SIZ];
12586 /* Note: this routine must be called when the clocks are stopped
12587 or when they have *just* been set or switched; otherwise
12588 it will be off by the time since the current tick started.
12590 if (machineWhite) {
12591 time = whiteTimeRemaining / 10;
12592 otime = blackTimeRemaining / 10;
12594 time = blackTimeRemaining / 10;
12595 otime = whiteTimeRemaining / 10;
12597 /* [HGM] translate opponent's time by time-odds factor */
12598 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
12599 if (appData.debugMode) {
12600 fprintf(debugFP, "time odds: %d %d \n", cps->timeOdds, cps->other->timeOdds);
12603 if (time <= 0) time = 1;
12604 if (otime <= 0) otime = 1;
12606 sprintf(message, "time %ld\n", time);
12607 SendToProgram(message, cps);
12609 sprintf(message, "otim %ld\n", otime);
12610 SendToProgram(message, cps);
12614 BoolFeature(p, name, loc, cps)
12618 ChessProgramState *cps;
12621 int len = strlen(name);
12623 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
12625 sscanf(*p, "%d", &val);
12627 while (**p && **p != ' ') (*p)++;
12628 sprintf(buf, "accepted %s\n", name);
12629 SendToProgram(buf, cps);
12636 IntFeature(p, name, loc, cps)
12640 ChessProgramState *cps;
12643 int len = strlen(name);
12644 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
12646 sscanf(*p, "%d", loc);
12647 while (**p && **p != ' ') (*p)++;
12648 sprintf(buf, "accepted %s\n", name);
12649 SendToProgram(buf, cps);
12656 StringFeature(p, name, loc, cps)
12660 ChessProgramState *cps;
12663 int len = strlen(name);
12664 if (strncmp((*p), name, len) == 0
12665 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
12667 sscanf(*p, "%[^\"]", loc);
12668 while (**p && **p != '\"') (*p)++;
12669 if (**p == '\"') (*p)++;
12670 sprintf(buf, "accepted %s\n", name);
12671 SendToProgram(buf, cps);
12678 ParseOption(Option *opt, ChessProgramState *cps)
12679 // [HGM] options: process the string that defines an engine option, and determine
12680 // name, type, default value, and allowed value range
12682 char *p, *q, buf[MSG_SIZ];
12683 int n, min = (-1)<<31, max = 1<<31, def;
12685 if(p = strstr(opt->name, " -spin ")) {
12686 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
12687 if(max < min) max = min; // enforce consistency
12688 if(def < min) def = min;
12689 if(def > max) def = max;
12694 } else if((p = strstr(opt->name, " -slider "))) {
12695 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
12696 if((n = sscanf(p, " -slider %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;
12703 opt->type = Spin; // Slider;
12704 } else if((p = strstr(opt->name, " -string "))) {
12705 opt->textValue = p+9;
12706 opt->type = TextBox;
12707 } else if((p = strstr(opt->name, " -file "))) {
12708 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
12709 opt->textValue = p+7;
12710 opt->type = TextBox; // FileName;
12711 } else if((p = strstr(opt->name, " -path "))) {
12712 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
12713 opt->textValue = p+7;
12714 opt->type = TextBox; // PathName;
12715 } else if(p = strstr(opt->name, " -check ")) {
12716 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
12717 opt->value = (def != 0);
12718 opt->type = CheckBox;
12719 } else if(p = strstr(opt->name, " -combo ")) {
12720 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
12721 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
12722 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
12723 opt->value = n = 0;
12724 while(q = StrStr(q, " /// ")) {
12725 n++; *q = 0; // count choices, and null-terminate each of them
12727 if(*q == '*') { // remember default, which is marked with * prefix
12731 cps->comboList[cps->comboCnt++] = q;
12733 cps->comboList[cps->comboCnt++] = NULL;
12735 opt->type = ComboBox;
12736 } else if(p = strstr(opt->name, " -button")) {
12737 opt->type = Button;
12738 } else if(p = strstr(opt->name, " -save")) {
12739 opt->type = SaveButton;
12740 } else return FALSE;
12741 *p = 0; // terminate option name
12742 // now look if the command-line options define a setting for this engine option.
12743 if(cps->optionSettings && cps->optionSettings[0])
12744 p = strstr(cps->optionSettings, opt->name); else p = NULL;
12745 if(p && (p == cps->optionSettings || p[-1] == ',')) {
12746 sprintf(buf, "option %s", p);
12747 if(p = strstr(buf, ",")) *p = 0;
12749 SendToProgram(buf, cps);
12755 FeatureDone(cps, val)
12756 ChessProgramState* cps;
12759 DelayedEventCallback cb = GetDelayedEvent();
12760 if ((cb == InitBackEnd3 && cps == &first) ||
12761 (cb == TwoMachinesEventIfReady && cps == &second)) {
12762 CancelDelayedEvent();
12763 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
12765 cps->initDone = val;
12768 /* Parse feature command from engine */
12770 ParseFeatures(args, cps)
12772 ChessProgramState *cps;
12780 while (*p == ' ') p++;
12781 if (*p == NULLCHAR) return;
12783 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
12784 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
12785 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
12786 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
12787 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
12788 if (BoolFeature(&p, "reuse", &val, cps)) {
12789 /* Engine can disable reuse, but can't enable it if user said no */
12790 if (!val) cps->reuse = FALSE;
12793 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
12794 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
12795 if (gameMode == TwoMachinesPlay) {
12796 DisplayTwoMachinesTitle();
12802 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
12803 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
12804 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
12805 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
12806 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
12807 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
12808 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
12809 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
12810 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
12811 if (IntFeature(&p, "done", &val, cps)) {
12812 FeatureDone(cps, val);
12815 /* Added by Tord: */
12816 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
12817 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
12818 /* End of additions by Tord */
12820 /* [HGM] added features: */
12821 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
12822 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
12823 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
12824 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
12825 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
12826 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
12827 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
12828 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
12829 sprintf(buf, "rejected option %s\n", cps->option[--cps->nrOptions].name);
12830 SendToProgram(buf, cps);
12833 if(cps->nrOptions >= MAX_OPTIONS) {
12835 sprintf(buf, "%s engine has too many options\n", cps->which);
12836 DisplayError(buf, 0);
12840 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
12841 /* End of additions by HGM */
12843 /* unknown feature: complain and skip */
12845 while (*q && *q != '=') q++;
12846 sprintf(buf, "rejected %.*s\n", (int)(q-p), p);
12847 SendToProgram(buf, cps);
12853 while (*p && *p != '\"') p++;
12854 if (*p == '\"') p++;
12856 while (*p && *p != ' ') p++;
12864 PeriodicUpdatesEvent(newState)
12867 if (newState == appData.periodicUpdates)
12870 appData.periodicUpdates=newState;
12872 /* Display type changes, so update it now */
12873 // DisplayAnalysis();
12875 /* Get the ball rolling again... */
12877 AnalysisPeriodicEvent(1);
12878 StartAnalysisClock();
12883 PonderNextMoveEvent(newState)
12886 if (newState == appData.ponderNextMove) return;
12887 if (gameMode == EditPosition) EditPositionDone(TRUE);
12889 SendToProgram("hard\n", &first);
12890 if (gameMode == TwoMachinesPlay) {
12891 SendToProgram("hard\n", &second);
12894 SendToProgram("easy\n", &first);
12895 thinkOutput[0] = NULLCHAR;
12896 if (gameMode == TwoMachinesPlay) {
12897 SendToProgram("easy\n", &second);
12900 appData.ponderNextMove = newState;
12904 NewSettingEvent(option, command, value)
12910 if (gameMode == EditPosition) EditPositionDone(TRUE);
12911 sprintf(buf, "%s%s %d\n", (option ? "option ": ""), command, value);
12912 SendToProgram(buf, &first);
12913 if (gameMode == TwoMachinesPlay) {
12914 SendToProgram(buf, &second);
12919 ShowThinkingEvent()
12920 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
12922 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
12923 int newState = appData.showThinking
12924 // [HGM] thinking: other features now need thinking output as well
12925 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
12927 if (oldState == newState) return;
12928 oldState = newState;
12929 if (gameMode == EditPosition) EditPositionDone(TRUE);
12931 SendToProgram("post\n", &first);
12932 if (gameMode == TwoMachinesPlay) {
12933 SendToProgram("post\n", &second);
12936 SendToProgram("nopost\n", &first);
12937 thinkOutput[0] = NULLCHAR;
12938 if (gameMode == TwoMachinesPlay) {
12939 SendToProgram("nopost\n", &second);
12942 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
12946 AskQuestionEvent(title, question, replyPrefix, which)
12947 char *title; char *question; char *replyPrefix; char *which;
12949 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
12950 if (pr == NoProc) return;
12951 AskQuestion(title, question, replyPrefix, pr);
12955 DisplayMove(moveNumber)
12958 char message[MSG_SIZ];
12960 char cpThinkOutput[MSG_SIZ];
12962 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
12964 if (moveNumber == forwardMostMove - 1 ||
12965 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12967 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput));
12969 if (strchr(cpThinkOutput, '\n')) {
12970 *strchr(cpThinkOutput, '\n') = NULLCHAR;
12973 *cpThinkOutput = NULLCHAR;
12976 /* [AS] Hide thinking from human user */
12977 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
12978 *cpThinkOutput = NULLCHAR;
12979 if( thinkOutput[0] != NULLCHAR ) {
12982 for( i=0; i<=hiddenThinkOutputState; i++ ) {
12983 cpThinkOutput[i] = '.';
12985 cpThinkOutput[i] = NULLCHAR;
12986 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
12990 if (moveNumber == forwardMostMove - 1 &&
12991 gameInfo.resultDetails != NULL) {
12992 if (gameInfo.resultDetails[0] == NULLCHAR) {
12993 sprintf(res, " %s", PGNResult(gameInfo.result));
12995 sprintf(res, " {%s} %s",
12996 gameInfo.resultDetails, PGNResult(gameInfo.result));
13002 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
13003 DisplayMessage(res, cpThinkOutput);
13005 sprintf(message, "%d.%s%s%s", moveNumber / 2 + 1,
13006 WhiteOnMove(moveNumber) ? " " : ".. ",
13007 parseList[moveNumber], res);
13008 DisplayMessage(message, cpThinkOutput);
13013 DisplayComment(moveNumber, text)
13017 char title[MSG_SIZ];
13018 char buf[8000]; // comment can be long!
13021 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
13022 strcpy(title, "Comment");
13024 sprintf(title, "Comment on %d.%s%s", moveNumber / 2 + 1,
13025 WhiteOnMove(moveNumber) ? " " : ".. ",
13026 parseList[moveNumber]);
13028 // [HGM] PV info: display PV info together with (or as) comment
13029 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
13030 if(text == NULL) text = "";
13031 score = pvInfoList[moveNumber].score;
13032 sprintf(buf, "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
13033 depth, (pvInfoList[moveNumber].time+50)/100, text);
13036 if (text != NULL && (appData.autoDisplayComment || commentUp))
13037 CommentPopUp(title, text);
13040 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
13041 * might be busy thinking or pondering. It can be omitted if your
13042 * gnuchess is configured to stop thinking immediately on any user
13043 * input. However, that gnuchess feature depends on the FIONREAD
13044 * ioctl, which does not work properly on some flavors of Unix.
13048 ChessProgramState *cps;
13051 if (!cps->useSigint) return;
13052 if (appData.noChessProgram || (cps->pr == NoProc)) return;
13053 switch (gameMode) {
13054 case MachinePlaysWhite:
13055 case MachinePlaysBlack:
13056 case TwoMachinesPlay:
13057 case IcsPlayingWhite:
13058 case IcsPlayingBlack:
13061 /* Skip if we know it isn't thinking */
13062 if (!cps->maybeThinking) return;
13063 if (appData.debugMode)
13064 fprintf(debugFP, "Interrupting %s\n", cps->which);
13065 InterruptChildProcess(cps->pr);
13066 cps->maybeThinking = FALSE;
13071 #endif /*ATTENTION*/
13077 if (whiteTimeRemaining <= 0) {
13080 if (appData.icsActive) {
13081 if (appData.autoCallFlag &&
13082 gameMode == IcsPlayingBlack && !blackFlag) {
13083 SendToICS(ics_prefix);
13084 SendToICS("flag\n");
13088 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
13090 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
13091 if (appData.autoCallFlag) {
13092 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
13099 if (blackTimeRemaining <= 0) {
13102 if (appData.icsActive) {
13103 if (appData.autoCallFlag &&
13104 gameMode == IcsPlayingWhite && !whiteFlag) {
13105 SendToICS(ics_prefix);
13106 SendToICS("flag\n");
13110 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
13112 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
13113 if (appData.autoCallFlag) {
13114 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
13127 if (!appData.clockMode || appData.icsActive ||
13128 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
13131 * add time to clocks when time control is achieved ([HGM] now also used for increment)
13133 if ( !WhiteOnMove(forwardMostMove) )
13134 /* White made time control */
13135 whiteTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
13136 /* [HGM] time odds: correct new time quota for time odds! */
13137 / WhitePlayer()->timeOdds;
13139 /* Black made time control */
13140 blackTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
13141 / WhitePlayer()->other->timeOdds;
13145 DisplayBothClocks()
13147 int wom = gameMode == EditPosition ?
13148 !blackPlaysFirst : WhiteOnMove(currentMove);
13149 DisplayWhiteClock(whiteTimeRemaining, wom);
13150 DisplayBlackClock(blackTimeRemaining, !wom);
13154 /* Timekeeping seems to be a portability nightmare. I think everyone
13155 has ftime(), but I'm really not sure, so I'm including some ifdefs
13156 to use other calls if you don't. Clocks will be less accurate if
13157 you have neither ftime nor gettimeofday.
13160 /* VS 2008 requires the #include outside of the function */
13161 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
13162 #include <sys/timeb.h>
13165 /* Get the current time as a TimeMark */
13170 #if HAVE_GETTIMEOFDAY
13172 struct timeval timeVal;
13173 struct timezone timeZone;
13175 gettimeofday(&timeVal, &timeZone);
13176 tm->sec = (long) timeVal.tv_sec;
13177 tm->ms = (int) (timeVal.tv_usec / 1000L);
13179 #else /*!HAVE_GETTIMEOFDAY*/
13182 // include <sys/timeb.h> / moved to just above start of function
13183 struct timeb timeB;
13186 tm->sec = (long) timeB.time;
13187 tm->ms = (int) timeB.millitm;
13189 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
13190 tm->sec = (long) time(NULL);
13196 /* Return the difference in milliseconds between two
13197 time marks. We assume the difference will fit in a long!
13200 SubtractTimeMarks(tm2, tm1)
13201 TimeMark *tm2, *tm1;
13203 return 1000L*(tm2->sec - tm1->sec) +
13204 (long) (tm2->ms - tm1->ms);
13209 * Code to manage the game clocks.
13211 * In tournament play, black starts the clock and then white makes a move.
13212 * We give the human user a slight advantage if he is playing white---the
13213 * clocks don't run until he makes his first move, so it takes zero time.
13214 * Also, we don't account for network lag, so we could get out of sync
13215 * with GNU Chess's clock -- but then, referees are always right.
13218 static TimeMark tickStartTM;
13219 static long intendedTickLength;
13222 NextTickLength(timeRemaining)
13223 long timeRemaining;
13225 long nominalTickLength, nextTickLength;
13227 if (timeRemaining > 0L && timeRemaining <= 10000L)
13228 nominalTickLength = 100L;
13230 nominalTickLength = 1000L;
13231 nextTickLength = timeRemaining % nominalTickLength;
13232 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
13234 return nextTickLength;
13237 /* Adjust clock one minute up or down */
13239 AdjustClock(Boolean which, int dir)
13241 if(which) blackTimeRemaining += 60000*dir;
13242 else whiteTimeRemaining += 60000*dir;
13243 DisplayBothClocks();
13246 /* Stop clocks and reset to a fresh time control */
13250 (void) StopClockTimer();
13251 if (appData.icsActive) {
13252 whiteTimeRemaining = blackTimeRemaining = 0;
13253 } else { /* [HGM] correct new time quote for time odds */
13254 whiteTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->timeOdds;
13255 blackTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->other->timeOdds;
13257 if (whiteFlag || blackFlag) {
13259 whiteFlag = blackFlag = FALSE;
13261 DisplayBothClocks();
13264 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
13266 /* Decrement running clock by amount of time that has passed */
13270 long timeRemaining;
13271 long lastTickLength, fudge;
13274 if (!appData.clockMode) return;
13275 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
13279 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
13281 /* Fudge if we woke up a little too soon */
13282 fudge = intendedTickLength - lastTickLength;
13283 if (fudge < 0 || fudge > FUDGE) fudge = 0;
13285 if (WhiteOnMove(forwardMostMove)) {
13286 if(whiteNPS >= 0) lastTickLength = 0;
13287 timeRemaining = whiteTimeRemaining -= lastTickLength;
13288 DisplayWhiteClock(whiteTimeRemaining - fudge,
13289 WhiteOnMove(currentMove));
13291 if(blackNPS >= 0) lastTickLength = 0;
13292 timeRemaining = blackTimeRemaining -= lastTickLength;
13293 DisplayBlackClock(blackTimeRemaining - fudge,
13294 !WhiteOnMove(currentMove));
13297 if (CheckFlags()) return;
13300 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
13301 StartClockTimer(intendedTickLength);
13303 /* if the time remaining has fallen below the alarm threshold, sound the
13304 * alarm. if the alarm has sounded and (due to a takeback or time control
13305 * with increment) the time remaining has increased to a level above the
13306 * threshold, reset the alarm so it can sound again.
13309 if (appData.icsActive && appData.icsAlarm) {
13311 /* make sure we are dealing with the user's clock */
13312 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
13313 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
13316 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
13317 alarmSounded = FALSE;
13318 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
13320 alarmSounded = TRUE;
13326 /* A player has just moved, so stop the previously running
13327 clock and (if in clock mode) start the other one.
13328 We redisplay both clocks in case we're in ICS mode, because
13329 ICS gives us an update to both clocks after every move.
13330 Note that this routine is called *after* forwardMostMove
13331 is updated, so the last fractional tick must be subtracted
13332 from the color that is *not* on move now.
13337 long lastTickLength;
13339 int flagged = FALSE;
13343 if (StopClockTimer() && appData.clockMode) {
13344 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
13345 if (WhiteOnMove(forwardMostMove)) {
13346 if(blackNPS >= 0) lastTickLength = 0;
13347 blackTimeRemaining -= lastTickLength;
13348 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
13349 // if(pvInfoList[forwardMostMove-1].time == -1)
13350 pvInfoList[forwardMostMove-1].time = // use GUI time
13351 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
13353 if(whiteNPS >= 0) lastTickLength = 0;
13354 whiteTimeRemaining -= lastTickLength;
13355 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
13356 // if(pvInfoList[forwardMostMove-1].time == -1)
13357 pvInfoList[forwardMostMove-1].time =
13358 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
13360 flagged = CheckFlags();
13362 CheckTimeControl();
13364 if (flagged || !appData.clockMode) return;
13366 switch (gameMode) {
13367 case MachinePlaysBlack:
13368 case MachinePlaysWhite:
13369 case BeginningOfGame:
13370 if (pausing) return;
13374 case PlayFromGameFile:
13383 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
13384 whiteTimeRemaining : blackTimeRemaining);
13385 StartClockTimer(intendedTickLength);
13389 /* Stop both clocks */
13393 long lastTickLength;
13396 if (!StopClockTimer()) return;
13397 if (!appData.clockMode) return;
13401 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
13402 if (WhiteOnMove(forwardMostMove)) {
13403 if(whiteNPS >= 0) lastTickLength = 0;
13404 whiteTimeRemaining -= lastTickLength;
13405 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
13407 if(blackNPS >= 0) lastTickLength = 0;
13408 blackTimeRemaining -= lastTickLength;
13409 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
13414 /* Start clock of player on move. Time may have been reset, so
13415 if clock is already running, stop and restart it. */
13419 (void) StopClockTimer(); /* in case it was running already */
13420 DisplayBothClocks();
13421 if (CheckFlags()) return;
13423 if (!appData.clockMode) return;
13424 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
13426 GetTimeMark(&tickStartTM);
13427 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
13428 whiteTimeRemaining : blackTimeRemaining);
13430 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
13431 whiteNPS = blackNPS = -1;
13432 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
13433 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
13434 whiteNPS = first.nps;
13435 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
13436 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
13437 blackNPS = first.nps;
13438 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
13439 whiteNPS = second.nps;
13440 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
13441 blackNPS = second.nps;
13442 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
13444 StartClockTimer(intendedTickLength);
13451 long second, minute, hour, day;
13453 static char buf[32];
13455 if (ms > 0 && ms <= 9900) {
13456 /* convert milliseconds to tenths, rounding up */
13457 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
13459 sprintf(buf, " %03.1f ", tenths/10.0);
13463 /* convert milliseconds to seconds, rounding up */
13464 /* use floating point to avoid strangeness of integer division
13465 with negative dividends on many machines */
13466 second = (long) floor(((double) (ms + 999L)) / 1000.0);
13473 day = second / (60 * 60 * 24);
13474 second = second % (60 * 60 * 24);
13475 hour = second / (60 * 60);
13476 second = second % (60 * 60);
13477 minute = second / 60;
13478 second = second % 60;
13481 sprintf(buf, " %s%ld:%02ld:%02ld:%02ld ",
13482 sign, day, hour, minute, second);
13484 sprintf(buf, " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
13486 sprintf(buf, " %s%2ld:%02ld ", sign, minute, second);
13493 * This is necessary because some C libraries aren't ANSI C compliant yet.
13496 StrStr(string, match)
13497 char *string, *match;
13501 length = strlen(match);
13503 for (i = strlen(string) - length; i >= 0; i--, string++)
13504 if (!strncmp(match, string, length))
13511 StrCaseStr(string, match)
13512 char *string, *match;
13516 length = strlen(match);
13518 for (i = strlen(string) - length; i >= 0; i--, string++) {
13519 for (j = 0; j < length; j++) {
13520 if (ToLower(match[j]) != ToLower(string[j]))
13523 if (j == length) return string;
13537 c1 = ToLower(*s1++);
13538 c2 = ToLower(*s2++);
13539 if (c1 > c2) return 1;
13540 if (c1 < c2) return -1;
13541 if (c1 == NULLCHAR) return 0;
13550 return isupper(c) ? tolower(c) : c;
13558 return islower(c) ? toupper(c) : c;
13560 #endif /* !_amigados */
13568 if ((ret = (char *) malloc(strlen(s) + 1))) {
13575 StrSavePtr(s, savePtr)
13576 char *s, **savePtr;
13581 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
13582 strcpy(*savePtr, s);
13594 clock = time((time_t *)NULL);
13595 tm = localtime(&clock);
13596 sprintf(buf, "%04d.%02d.%02d",
13597 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
13598 return StrSave(buf);
13603 PositionToFEN(move, overrideCastling)
13605 char *overrideCastling;
13607 int i, j, fromX, fromY, toX, toY;
13614 whiteToPlay = (gameMode == EditPosition) ?
13615 !blackPlaysFirst : (move % 2 == 0);
13618 /* Piece placement data */
13619 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13621 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
13622 if (boards[move][i][j] == EmptySquare) {
13624 } else { ChessSquare piece = boards[move][i][j];
13625 if (emptycount > 0) {
13626 if(emptycount<10) /* [HGM] can be >= 10 */
13627 *p++ = '0' + emptycount;
13628 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
13631 if(PieceToChar(piece) == '+') {
13632 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
13634 piece = (ChessSquare)(DEMOTED piece);
13636 *p++ = PieceToChar(piece);
13638 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
13639 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
13644 if (emptycount > 0) {
13645 if(emptycount<10) /* [HGM] can be >= 10 */
13646 *p++ = '0' + emptycount;
13647 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
13654 /* [HGM] print Crazyhouse or Shogi holdings */
13655 if( gameInfo.holdingsWidth ) {
13656 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
13658 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
13659 piece = boards[move][i][BOARD_WIDTH-1];
13660 if( piece != EmptySquare )
13661 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
13662 *p++ = PieceToChar(piece);
13664 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
13665 piece = boards[move][BOARD_HEIGHT-i-1][0];
13666 if( piece != EmptySquare )
13667 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
13668 *p++ = PieceToChar(piece);
13671 if( q == p ) *p++ = '-';
13677 *p++ = whiteToPlay ? 'w' : 'b';
13680 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
13681 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' ';
13683 if(nrCastlingRights) {
13685 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
13686 /* [HGM] write directly from rights */
13687 if(castlingRights[move][2] >= 0 &&
13688 castlingRights[move][0] >= 0 )
13689 *p++ = castlingRights[move][0] + AAA + 'A' - 'a';
13690 if(castlingRights[move][2] >= 0 &&
13691 castlingRights[move][1] >= 0 )
13692 *p++ = castlingRights[move][1] + AAA + 'A' - 'a';
13693 if(castlingRights[move][5] >= 0 &&
13694 castlingRights[move][3] >= 0 )
13695 *p++ = castlingRights[move][3] + AAA;
13696 if(castlingRights[move][5] >= 0 &&
13697 castlingRights[move][4] >= 0 )
13698 *p++ = castlingRights[move][4] + AAA;
13701 /* [HGM] write true castling rights */
13702 if( nrCastlingRights == 6 ) {
13703 if(castlingRights[move][0] == BOARD_RGHT-1 &&
13704 castlingRights[move][2] >= 0 ) *p++ = 'K';
13705 if(castlingRights[move][1] == BOARD_LEFT &&
13706 castlingRights[move][2] >= 0 ) *p++ = 'Q';
13707 if(castlingRights[move][3] == BOARD_RGHT-1 &&
13708 castlingRights[move][5] >= 0 ) *p++ = 'k';
13709 if(castlingRights[move][4] == BOARD_LEFT &&
13710 castlingRights[move][5] >= 0 ) *p++ = 'q';
13713 if (q == p) *p++ = '-'; /* No castling rights */
13717 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
13718 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier ) {
13719 /* En passant target square */
13720 if (move > backwardMostMove) {
13721 fromX = moveList[move - 1][0] - AAA;
13722 fromY = moveList[move - 1][1] - ONE;
13723 toX = moveList[move - 1][2] - AAA;
13724 toY = moveList[move - 1][3] - ONE;
13725 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
13726 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
13727 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
13729 /* 2-square pawn move just happened */
13731 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
13735 } else if(move == backwardMostMove) {
13736 // [HGM] perhaps we should always do it like this, and forget the above?
13737 if(epStatus[move] >= 0) {
13738 *p++ = epStatus[move] + AAA;
13739 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
13750 /* [HGM] find reversible plies */
13751 { int i = 0, j=move;
13753 if (appData.debugMode) { int k;
13754 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
13755 for(k=backwardMostMove; k<=forwardMostMove; k++)
13756 fprintf(debugFP, "e%d. p=%d\n", k, epStatus[k]);
13760 while(j > backwardMostMove && epStatus[j] <= EP_NONE) j--,i++;
13761 if( j == backwardMostMove ) i += initialRulePlies;
13762 sprintf(p, "%d ", i);
13763 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
13765 /* Fullmove number */
13766 sprintf(p, "%d", (move / 2) + 1);
13768 return StrSave(buf);
13772 ParseFEN(board, blackPlaysFirst, fen)
13774 int *blackPlaysFirst;
13784 /* [HGM] by default clear Crazyhouse holdings, if present */
13785 if(gameInfo.holdingsWidth) {
13786 for(i=0; i<BOARD_HEIGHT; i++) {
13787 board[i][0] = EmptySquare; /* black holdings */
13788 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
13789 board[i][1] = (ChessSquare) 0; /* black counts */
13790 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
13794 /* Piece placement data */
13795 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13798 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
13799 if (*p == '/') p++;
13800 emptycount = gameInfo.boardWidth - j;
13801 while (emptycount--)
13802 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
13804 #if(BOARD_SIZE >= 10)
13805 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
13806 p++; emptycount=10;
13807 if (j + emptycount > gameInfo.boardWidth) return FALSE;
13808 while (emptycount--)
13809 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
13811 } else if (isdigit(*p)) {
13812 emptycount = *p++ - '0';
13813 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
13814 if (j + emptycount > gameInfo.boardWidth) return FALSE;
13815 while (emptycount--)
13816 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
13817 } else if (*p == '+' || isalpha(*p)) {
13818 if (j >= gameInfo.boardWidth) return FALSE;
13820 piece = CharToPiece(*++p);
13821 if(piece == EmptySquare) return FALSE; /* unknown piece */
13822 piece = (ChessSquare) (PROMOTED piece ); p++;
13823 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
13824 } else piece = CharToPiece(*p++);
13826 if(piece==EmptySquare) return FALSE; /* unknown piece */
13827 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
13828 piece = (ChessSquare) (PROMOTED piece);
13829 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
13832 board[i][(j++)+gameInfo.holdingsWidth] = piece;
13838 while (*p == '/' || *p == ' ') p++;
13840 /* [HGM] look for Crazyhouse holdings here */
13841 while(*p==' ') p++;
13842 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
13844 if(*p == '-' ) *p++; /* empty holdings */ else {
13845 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
13846 /* if we would allow FEN reading to set board size, we would */
13847 /* have to add holdings and shift the board read so far here */
13848 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
13850 if((int) piece >= (int) BlackPawn ) {
13851 i = (int)piece - (int)BlackPawn;
13852 i = PieceToNumber((ChessSquare)i);
13853 if( i >= gameInfo.holdingsSize ) return FALSE;
13854 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
13855 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
13857 i = (int)piece - (int)WhitePawn;
13858 i = PieceToNumber((ChessSquare)i);
13859 if( i >= gameInfo.holdingsSize ) return FALSE;
13860 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
13861 board[i][BOARD_WIDTH-2]++; /* black holdings */
13865 if(*p == ']') *p++;
13868 while(*p == ' ') p++;
13873 *blackPlaysFirst = FALSE;
13876 *blackPlaysFirst = TRUE;
13882 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
13883 /* return the extra info in global variiables */
13885 /* set defaults in case FEN is incomplete */
13886 FENepStatus = EP_UNKNOWN;
13887 for(i=0; i<nrCastlingRights; i++ ) {
13888 FENcastlingRights[i] =
13889 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? -1 : initialRights[i];
13890 } /* assume possible unless obviously impossible */
13891 if(initialRights[0]>=0 && board[castlingRank[0]][initialRights[0]] != WhiteRook) FENcastlingRights[0] = -1;
13892 if(initialRights[1]>=0 && board[castlingRank[1]][initialRights[1]] != WhiteRook) FENcastlingRights[1] = -1;
13893 if(initialRights[2]>=0 && board[castlingRank[2]][initialRights[2]] != WhiteKing) FENcastlingRights[2] = -1;
13894 if(initialRights[3]>=0 && board[castlingRank[3]][initialRights[3]] != BlackRook) FENcastlingRights[3] = -1;
13895 if(initialRights[4]>=0 && board[castlingRank[4]][initialRights[4]] != BlackRook) FENcastlingRights[4] = -1;
13896 if(initialRights[5]>=0 && board[castlingRank[5]][initialRights[5]] != BlackKing) FENcastlingRights[5] = -1;
13899 while(*p==' ') p++;
13900 if(nrCastlingRights) {
13901 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
13902 /* castling indicator present, so default becomes no castlings */
13903 for(i=0; i<nrCastlingRights; i++ ) {
13904 FENcastlingRights[i] = -1;
13907 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
13908 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
13909 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
13910 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
13911 char c = *p++; int whiteKingFile=-1, blackKingFile=-1;
13913 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
13914 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
13915 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
13919 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
13920 FENcastlingRights[0] = i != whiteKingFile ? i : -1;
13921 FENcastlingRights[2] = whiteKingFile;
13924 for(i=BOARD_LEFT; board[0][i]!=WhiteRook && i<whiteKingFile; i++);
13925 FENcastlingRights[1] = i != whiteKingFile ? i : -1;
13926 FENcastlingRights[2] = whiteKingFile;
13929 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
13930 FENcastlingRights[3] = i != blackKingFile ? i : -1;
13931 FENcastlingRights[5] = blackKingFile;
13934 for(i=BOARD_LEFT; board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
13935 FENcastlingRights[4] = i != blackKingFile ? i : -1;
13936 FENcastlingRights[5] = blackKingFile;
13939 default: /* FRC castlings */
13940 if(c >= 'a') { /* black rights */
13941 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
13942 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
13943 if(i == BOARD_RGHT) break;
13944 FENcastlingRights[5] = i;
13946 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
13947 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
13949 FENcastlingRights[3] = c;
13951 FENcastlingRights[4] = c;
13952 } else { /* white rights */
13953 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
13954 if(board[0][i] == WhiteKing) break;
13955 if(i == BOARD_RGHT) break;
13956 FENcastlingRights[2] = i;
13957 c -= AAA - 'a' + 'A';
13958 if(board[0][c] >= WhiteKing) break;
13960 FENcastlingRights[0] = c;
13962 FENcastlingRights[1] = c;
13966 if (appData.debugMode) {
13967 fprintf(debugFP, "FEN castling rights:");
13968 for(i=0; i<nrCastlingRights; i++)
13969 fprintf(debugFP, " %d", FENcastlingRights[i]);
13970 fprintf(debugFP, "\n");
13973 while(*p==' ') p++;
13976 /* read e.p. field in games that know e.p. capture */
13977 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
13978 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier ) {
13980 p++; FENepStatus = EP_NONE;
13982 char c = *p++ - AAA;
13984 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
13985 if(*p >= '0' && *p <='9') *p++;
13991 if(sscanf(p, "%d", &i) == 1) {
13992 FENrulePlies = i; /* 50-move ply counter */
13993 /* (The move number is still ignored) */
14000 EditPositionPasteFEN(char *fen)
14003 Board initial_position;
14005 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
14006 DisplayError(_("Bad FEN position in clipboard"), 0);
14009 int savedBlackPlaysFirst = blackPlaysFirst;
14010 EditPositionEvent();
14011 blackPlaysFirst = savedBlackPlaysFirst;
14012 CopyBoard(boards[0], initial_position);
14013 /* [HGM] copy FEN attributes as well */
14015 initialRulePlies = FENrulePlies;
14016 epStatus[0] = FENepStatus;
14017 for( i=0; i<nrCastlingRights; i++ )
14018 castlingRights[0][i] = FENcastlingRights[i];
14020 EditPositionDone(FALSE);
14021 DisplayBothClocks();
14022 DrawPosition(FALSE, boards[currentMove]);
14027 static char cseq[12] = "\\ ";
14029 Boolean set_cont_sequence(char *new_seq)
14034 // handle bad attempts to set the sequence
14036 return 0; // acceptable error - no debug
14038 len = strlen(new_seq);
14039 ret = (len > 0) && (len < sizeof(cseq));
14041 strcpy(cseq, new_seq);
14042 else if (appData.debugMode)
14043 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
14048 reformat a source message so words don't cross the width boundary. internal
14049 newlines are not removed. returns the wrapped size (no null character unless
14050 included in source message). If dest is NULL, only calculate the size required
14051 for the dest buffer. lp argument indicats line position upon entry, and it's
14052 passed back upon exit.
14054 int wrap(char *dest, char *src, int count, int width, int *lp)
14056 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
14058 cseq_len = strlen(cseq);
14059 old_line = line = *lp;
14060 ansi = len = clen = 0;
14062 for (i=0; i < count; i++)
14064 if (src[i] == '\033')
14067 // if we hit the width, back up
14068 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
14070 // store i & len in case the word is too long
14071 old_i = i, old_len = len;
14073 // find the end of the last word
14074 while (i && src[i] != ' ' && src[i] != '\n')
14080 // word too long? restore i & len before splitting it
14081 if ((old_i-i+clen) >= width)
14088 if (i && src[i-1] == ' ')
14091 if (src[i] != ' ' && src[i] != '\n')
14098 // now append the newline and continuation sequence
14103 strncpy(dest+len, cseq, cseq_len);
14111 dest[len] = src[i];
14115 if (src[i] == '\n')
14120 if (dest && appData.debugMode)
14122 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
14123 count, width, line, len, *lp);
14124 show_bytes(debugFP, src, count);
14125 fprintf(debugFP, "\ndest: ");
14126 show_bytes(debugFP, dest, len);
14127 fprintf(debugFP, "\n");
14129 *lp = dest ? line : old_line;