2 * backend.c -- Common back end for X and Windows NT versions of
4 * Copyright 1991 by Digital Equipment Corporation, Maynard,
7 * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
8 * 2007, 2008, 2009 Free Software Foundation, Inc.
10 * Enhancements Copyright 2005 Alessandro Scotti
12 * The following terms apply to Digital Equipment Corporation's copyright
14 * ------------------------------------------------------------------------
17 * Permission to use, copy, modify, and distribute this software and its
18 * documentation for any purpose and without fee is hereby granted,
19 * provided that the above copyright notice appear in all copies and that
20 * both that copyright notice and this permission notice appear in
21 * supporting documentation, and that the name of Digital not be
22 * used in advertising or publicity pertaining to distribution of the
23 * software without specific, written prior permission.
25 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
26 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
27 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
28 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
29 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
30 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
32 * ------------------------------------------------------------------------
34 * The following terms apply to the enhanced version of XBoard
35 * distributed by the Free Software Foundation:
36 * ------------------------------------------------------------------------
38 * GNU XBoard is free software: you can redistribute it and/or modify
39 * it under the terms of the GNU General Public License as published by
40 * the Free Software Foundation, either version 3 of the License, or (at
41 * your option) any later version.
43 * GNU XBoard is distributed in the hope that it will be useful, but
44 * WITHOUT ANY WARRANTY; without even the implied warranty of
45 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
46 * General Public License for more details.
48 * You should have received a copy of the GNU General Public License
49 * along with this program. If not, see http://www.gnu.org/licenses/. *
51 *------------------------------------------------------------------------
52 ** See the file ChangeLog for a revision history. */
54 /* [AS] Also useful here for debugging */
58 #define DoSleep( n ) if( (n) != 0 ) Sleep( (n) );
62 #define DoSleep( n ) if( (n) >= 0) sleep(n)
72 #include <sys/types.h>
81 #else /* not STDC_HEADERS */
84 # else /* not HAVE_STRING_H */
86 # endif /* not HAVE_STRING_H */
87 #endif /* not STDC_HEADERS */
90 # include <sys/fcntl.h>
91 #else /* not HAVE_SYS_FCNTL_H */
94 # endif /* HAVE_FCNTL_H */
95 #endif /* not HAVE_SYS_FCNTL_H */
97 #if TIME_WITH_SYS_TIME
98 # include <sys/time.h>
102 # include <sys/time.h>
108 #if defined(_amigados) && !defined(__GNUC__)
113 extern int gettimeofday(struct timeval *, struct timezone *);
121 #include "frontend.h"
128 #include "backendz.h"
132 # define _(s) gettext (s)
133 # define N_(s) gettext_noop (s)
140 /* A point in time */
142 long sec; /* Assuming this is >= 32 bits */
143 int ms; /* Assuming this is >= 16 bits */
146 int establish P((void));
147 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
148 char *buf, int count, int error));
149 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
150 char *buf, int count, int error));
151 void ics_printf P((char *format, ...));
152 void SendToICS P((char *s));
153 void SendToICSDelayed P((char *s, long msdelay));
154 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY,
156 void HandleMachineMove P((char *message, ChessProgramState *cps));
157 int AutoPlayOneMove P((void));
158 int LoadGameOneMove P((ChessMove readAhead));
159 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
160 int LoadPositionFromFile P((char *filename, int n, char *title));
161 int SavePositionToFile P((char *filename));
162 void ApplyMove P((int fromX, int fromY, int toX, int toY, int promoChar,
163 Board board, char *castle, char *ep));
164 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
165 void ShowMove P((int fromX, int fromY, int toX, int toY));
166 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
167 /*char*/int promoChar));
168 void BackwardInner P((int target));
169 void ForwardInner P((int target));
170 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
171 void EditPositionDone P((Boolean fakeRights));
172 void PrintOpponents P((FILE *fp));
173 void PrintPosition P((FILE *fp, int move));
174 void StartChessProgram P((ChessProgramState *cps));
175 void SendToProgram P((char *message, ChessProgramState *cps));
176 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
177 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
178 char *buf, int count, int error));
179 void SendTimeControl P((ChessProgramState *cps,
180 int mps, long tc, int inc, int sd, int st));
181 char *TimeControlTagValue P((void));
182 void Attention P((ChessProgramState *cps));
183 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
184 void ResurrectChessProgram P((void));
185 void DisplayComment P((int moveNumber, char *text));
186 void DisplayMove P((int moveNumber));
188 void ParseGameHistory P((char *game));
189 void ParseBoard12 P((char *string));
190 void StartClocks P((void));
191 void SwitchClocks P((void));
192 void StopClocks P((void));
193 void ResetClocks P((void));
194 char *PGNDate P((void));
195 void SetGameInfo P((void));
196 Boolean ParseFEN P((Board board, int *blackPlaysFirst, char *fen));
197 int RegisterMove P((void));
198 void MakeRegisteredMove P((void));
199 void TruncateGame P((void));
200 int looking_at P((char *, int *, char *));
201 void CopyPlayerNameIntoFileName P((char **, char *));
202 char *SavePart P((char *));
203 int SaveGameOldStyle P((FILE *));
204 int SaveGamePGN P((FILE *));
205 void GetTimeMark P((TimeMark *));
206 long SubtractTimeMarks P((TimeMark *, TimeMark *));
207 int CheckFlags P((void));
208 long NextTickLength P((long));
209 void CheckTimeControl P((void));
210 void show_bytes P((FILE *, char *, int));
211 int string_to_rating P((char *str));
212 void ParseFeatures P((char* args, ChessProgramState *cps));
213 void InitBackEnd3 P((void));
214 void FeatureDone P((ChessProgramState* cps, int val));
215 void InitChessProgram P((ChessProgramState *cps, int setup));
216 void OutputKibitz(int window, char *text);
217 int PerpetualChase(int first, int last);
218 int EngineOutputIsUp();
219 void InitDrawingSizes(int x, int y);
222 extern void ConsoleCreate();
225 ChessProgramState *WhitePlayer();
226 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
227 int VerifyDisplayMode P(());
229 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
230 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
231 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
232 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
233 void ics_update_width P((int new_width));
234 extern char installDir[MSG_SIZ];
236 extern int tinyLayout, smallLayout;
237 ChessProgramStats programStats;
238 static int exiting = 0; /* [HGM] moved to top */
239 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
240 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
241 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
242 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
243 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
244 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
245 int opponentKibitzes;
246 int lastSavedGame; /* [HGM] save: ID of game */
247 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
248 extern int chatCount;
251 /* States for ics_getting_history */
253 #define H_REQUESTED 1
254 #define H_GOT_REQ_HEADER 2
255 #define H_GOT_UNREQ_HEADER 3
256 #define H_GETTING_MOVES 4
257 #define H_GOT_UNWANTED_HEADER 5
259 /* whosays values for GameEnds */
268 /* Maximum number of games in a cmail message */
269 #define CMAIL_MAX_GAMES 20
271 /* Different types of move when calling RegisterMove */
273 #define CMAIL_RESIGN 1
275 #define CMAIL_ACCEPT 3
277 /* Different types of result to remember for each game */
278 #define CMAIL_NOT_RESULT 0
279 #define CMAIL_OLD_RESULT 1
280 #define CMAIL_NEW_RESULT 2
282 /* Telnet protocol constants */
293 static char * safeStrCpy( char * dst, const char * src, size_t count )
295 assert( dst != NULL );
296 assert( src != NULL );
299 strncpy( dst, src, count );
300 dst[ count-1 ] = '\0';
304 /* Some compiler can't cast u64 to double
305 * This function do the job for us:
307 * We use the highest bit for cast, this only
308 * works if the highest bit is not
309 * in use (This should not happen)
311 * We used this for all compiler
314 u64ToDouble(u64 value)
317 u64 tmp = value & u64Const(0x7fffffffffffffff);
318 r = (double)(s64)tmp;
319 if (value & u64Const(0x8000000000000000))
320 r += 9.2233720368547758080e18; /* 2^63 */
324 /* Fake up flags for now, as we aren't keeping track of castling
325 availability yet. [HGM] Change of logic: the flag now only
326 indicates the type of castlings allowed by the rule of the game.
327 The actual rights themselves are maintained in the array
328 castlingRights, as part of the game history, and are not probed
334 int flags = F_ALL_CASTLE_OK;
335 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
336 switch (gameInfo.variant) {
338 flags &= ~F_ALL_CASTLE_OK;
339 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
340 flags |= F_IGNORE_CHECK;
342 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
345 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
347 case VariantKriegspiel:
348 flags |= F_KRIEGSPIEL_CAPTURE;
350 case VariantCapaRandom:
351 case VariantFischeRandom:
352 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
353 case VariantNoCastle:
354 case VariantShatranj:
356 flags &= ~F_ALL_CASTLE_OK;
364 FILE *gameFileFP, *debugFP;
367 [AS] Note: sometimes, the sscanf() function is used to parse the input
368 into a fixed-size buffer. Because of this, we must be prepared to
369 receive strings as long as the size of the input buffer, which is currently
370 set to 4K for Windows and 8K for the rest.
371 So, we must either allocate sufficiently large buffers here, or
372 reduce the size of the input buffer in the input reading part.
375 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
376 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
377 char thinkOutput1[MSG_SIZ*10];
379 ChessProgramState first, second;
381 /* premove variables */
384 int premoveFromX = 0;
385 int premoveFromY = 0;
386 int premovePromoChar = 0;
388 Boolean alarmSounded;
389 /* end premove variables */
391 char *ics_prefix = "$";
392 int ics_type = ICS_GENERIC;
394 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
395 int pauseExamForwardMostMove = 0;
396 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
397 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
398 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
399 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
400 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
401 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
402 int whiteFlag = FALSE, blackFlag = FALSE;
403 int userOfferedDraw = FALSE;
404 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
405 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
406 int cmailMoveType[CMAIL_MAX_GAMES];
407 long ics_clock_paused = 0;
408 ProcRef icsPR = NoProc, cmailPR = NoProc;
409 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
410 GameMode gameMode = BeginningOfGame;
411 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
412 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
413 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
414 int hiddenThinkOutputState = 0; /* [AS] */
415 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
416 int adjudicateLossPlies = 6;
417 char white_holding[64], black_holding[64];
418 TimeMark lastNodeCountTime;
419 long lastNodeCount=0;
420 int have_sent_ICS_logon = 0;
422 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement;
423 long timeControl_2; /* [AS] Allow separate time controls */
424 char *fullTimeControlString = NULL; /* [HGM] secondary TC: merge of MPS, TC and inc */
425 long timeRemaining[2][MAX_MOVES];
427 TimeMark programStartTime;
428 char ics_handle[MSG_SIZ];
429 int have_set_title = 0;
431 /* animateTraining preserves the state of appData.animate
432 * when Training mode is activated. This allows the
433 * response to be animated when appData.animate == TRUE and
434 * appData.animateDragging == TRUE.
436 Boolean animateTraining;
442 Board boards[MAX_MOVES];
443 /* [HGM] Following 7 needed for accurate legality tests: */
444 signed char epStatus[MAX_MOVES];
445 signed char castlingRights[MAX_MOVES][BOARD_SIZE]; // stores files for pieces with castling rights or -1
446 signed char castlingRank[BOARD_SIZE]; // and corresponding ranks
447 signed char initialRights[BOARD_SIZE], FENcastlingRights[BOARD_SIZE], fileRights[BOARD_SIZE];
448 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
449 int initialRulePlies, FENrulePlies;
451 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
454 int mute; // mute all sounds
456 ChessSquare FIDEArray[2][BOARD_SIZE] = {
457 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
458 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
459 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
460 BlackKing, BlackBishop, BlackKnight, BlackRook }
463 ChessSquare twoKingsArray[2][BOARD_SIZE] = {
464 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
465 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
466 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
467 BlackKing, BlackKing, BlackKnight, BlackRook }
470 ChessSquare KnightmateArray[2][BOARD_SIZE] = {
471 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
472 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
473 { BlackRook, BlackMan, BlackBishop, BlackQueen,
474 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
477 ChessSquare fairyArray[2][BOARD_SIZE] = { /* [HGM] Queen side differs from King side */
478 { WhiteCannon, WhiteNightrider, WhiteAlfil, WhiteQueen,
479 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
480 { BlackCannon, BlackNightrider, BlackAlfil, BlackQueen,
481 BlackKing, BlackBishop, BlackKnight, BlackRook }
484 ChessSquare ShatranjArray[2][BOARD_SIZE] = { /* [HGM] (movGen knows about Shatranj Q and P) */
485 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
486 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
487 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
488 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
493 ChessSquare ShogiArray[2][BOARD_SIZE] = {
494 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
495 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
496 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
497 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
500 ChessSquare XiangqiArray[2][BOARD_SIZE] = {
501 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
502 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
503 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
504 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
507 ChessSquare CapablancaArray[2][BOARD_SIZE] = {
508 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
509 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
510 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
511 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
514 ChessSquare GreatArray[2][BOARD_SIZE] = {
515 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
516 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
517 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
518 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
521 ChessSquare JanusArray[2][BOARD_SIZE] = {
522 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
523 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
524 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
525 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
529 ChessSquare GothicArray[2][BOARD_SIZE] = {
530 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
531 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
532 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
533 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
536 #define GothicArray CapablancaArray
540 ChessSquare FalconArray[2][BOARD_SIZE] = {
541 { WhiteRook, WhiteKnight, WhiteBishop, WhiteLance, WhiteQueen,
542 WhiteKing, WhiteLance, WhiteBishop, WhiteKnight, WhiteRook },
543 { BlackRook, BlackKnight, BlackBishop, BlackLance, BlackQueen,
544 BlackKing, BlackLance, BlackBishop, BlackKnight, BlackRook }
547 #define FalconArray CapablancaArray
550 #else // !(BOARD_SIZE>=10)
551 #define XiangqiPosition FIDEArray
552 #define CapablancaArray FIDEArray
553 #define GothicArray FIDEArray
554 #define GreatArray FIDEArray
555 #endif // !(BOARD_SIZE>=10)
558 ChessSquare CourierArray[2][BOARD_SIZE] = {
559 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
560 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
561 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
562 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
564 #else // !(BOARD_SIZE>=12)
565 #define CourierArray CapablancaArray
566 #endif // !(BOARD_SIZE>=12)
569 Board initialPosition;
572 /* Convert str to a rating. Checks for special cases of "----",
574 "++++", etc. Also strips ()'s */
576 string_to_rating(str)
579 while(*str && !isdigit(*str)) ++str;
581 return 0; /* One of the special "no rating" cases */
589 /* Init programStats */
590 programStats.movelist[0] = 0;
591 programStats.depth = 0;
592 programStats.nr_moves = 0;
593 programStats.moves_left = 0;
594 programStats.nodes = 0;
595 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
596 programStats.score = 0;
597 programStats.got_only_move = 0;
598 programStats.got_fail = 0;
599 programStats.line_is_book = 0;
605 int matched, min, sec;
607 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
609 GetTimeMark(&programStartTime);
610 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
613 programStats.ok_to_send = 1;
614 programStats.seen_stat = 0;
617 * Initialize game list
623 * Internet chess server status
625 if (appData.icsActive) {
626 appData.matchMode = FALSE;
627 appData.matchGames = 0;
629 appData.noChessProgram = !appData.zippyPlay;
631 appData.zippyPlay = FALSE;
632 appData.zippyTalk = FALSE;
633 appData.noChessProgram = TRUE;
635 if (*appData.icsHelper != NULLCHAR) {
636 appData.useTelnet = TRUE;
637 appData.telnetProgram = appData.icsHelper;
640 appData.zippyTalk = appData.zippyPlay = FALSE;
643 /* [AS] Initialize pv info list [HGM] and game state */
647 for( i=0; i<MAX_MOVES; i++ ) {
648 pvInfoList[i].depth = -1;
650 for( j=0; j<BOARD_SIZE; j++ ) castlingRights[i][j] = -1;
655 * Parse timeControl resource
657 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
658 appData.movesPerSession)) {
660 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
661 DisplayFatalError(buf, 0, 2);
665 * Parse searchTime resource
667 if (*appData.searchTime != NULLCHAR) {
668 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
670 searchTime = min * 60;
671 } else if (matched == 2) {
672 searchTime = min * 60 + sec;
675 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
676 DisplayFatalError(buf, 0, 2);
680 /* [AS] Adjudication threshold */
681 adjudicateLossThreshold = appData.adjudicateLossThreshold;
683 first.which = "first";
684 second.which = "second";
685 first.maybeThinking = second.maybeThinking = FALSE;
686 first.pr = second.pr = NoProc;
687 first.isr = second.isr = NULL;
688 first.sendTime = second.sendTime = 2;
689 first.sendDrawOffers = 1;
690 if (appData.firstPlaysBlack) {
691 first.twoMachinesColor = "black\n";
692 second.twoMachinesColor = "white\n";
694 first.twoMachinesColor = "white\n";
695 second.twoMachinesColor = "black\n";
697 first.program = appData.firstChessProgram;
698 second.program = appData.secondChessProgram;
699 first.host = appData.firstHost;
700 second.host = appData.secondHost;
701 first.dir = appData.firstDirectory;
702 second.dir = appData.secondDirectory;
703 first.other = &second;
704 second.other = &first;
705 first.initString = appData.initString;
706 second.initString = appData.secondInitString;
707 first.computerString = appData.firstComputerString;
708 second.computerString = appData.secondComputerString;
709 first.useSigint = second.useSigint = TRUE;
710 first.useSigterm = second.useSigterm = TRUE;
711 first.reuse = appData.reuseFirst;
712 second.reuse = appData.reuseSecond;
713 first.nps = appData.firstNPS; // [HGM] nps: copy nodes per second
714 second.nps = appData.secondNPS;
715 first.useSetboard = second.useSetboard = FALSE;
716 first.useSAN = second.useSAN = FALSE;
717 first.usePing = second.usePing = FALSE;
718 first.lastPing = second.lastPing = 0;
719 first.lastPong = second.lastPong = 0;
720 first.usePlayother = second.usePlayother = FALSE;
721 first.useColors = second.useColors = TRUE;
722 first.useUsermove = second.useUsermove = FALSE;
723 first.sendICS = second.sendICS = FALSE;
724 first.sendName = second.sendName = appData.icsActive;
725 first.sdKludge = second.sdKludge = FALSE;
726 first.stKludge = second.stKludge = FALSE;
727 TidyProgramName(first.program, first.host, first.tidy);
728 TidyProgramName(second.program, second.host, second.tidy);
729 first.matchWins = second.matchWins = 0;
730 strcpy(first.variants, appData.variant);
731 strcpy(second.variants, appData.variant);
732 first.analysisSupport = second.analysisSupport = 2; /* detect */
733 first.analyzing = second.analyzing = FALSE;
734 first.initDone = second.initDone = FALSE;
736 /* New features added by Tord: */
737 first.useFEN960 = FALSE; second.useFEN960 = FALSE;
738 first.useOOCastle = TRUE; second.useOOCastle = TRUE;
739 /* End of new features added by Tord. */
740 first.fenOverride = appData.fenOverride1;
741 second.fenOverride = appData.fenOverride2;
743 /* [HGM] time odds: set factor for each machine */
744 first.timeOdds = appData.firstTimeOdds;
745 second.timeOdds = appData.secondTimeOdds;
747 if(appData.timeOddsMode) {
748 norm = first.timeOdds;
749 if(norm > second.timeOdds) norm = second.timeOdds;
751 first.timeOdds /= norm;
752 second.timeOdds /= norm;
755 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
756 first.accumulateTC = appData.firstAccumulateTC;
757 second.accumulateTC = appData.secondAccumulateTC;
758 first.maxNrOfSessions = second.maxNrOfSessions = 1;
761 first.debug = second.debug = FALSE;
762 first.supportsNPS = second.supportsNPS = UNKNOWN;
765 first.optionSettings = appData.firstOptions;
766 second.optionSettings = appData.secondOptions;
768 first.scoreIsAbsolute = appData.firstScoreIsAbsolute; /* [AS] */
769 second.scoreIsAbsolute = appData.secondScoreIsAbsolute; /* [AS] */
770 first.isUCI = appData.firstIsUCI; /* [AS] */
771 second.isUCI = appData.secondIsUCI; /* [AS] */
772 first.hasOwnBookUCI = appData.firstHasOwnBookUCI; /* [AS] */
773 second.hasOwnBookUCI = appData.secondHasOwnBookUCI; /* [AS] */
775 if (appData.firstProtocolVersion > PROTOVER ||
776 appData.firstProtocolVersion < 1) {
778 sprintf(buf, _("protocol version %d not supported"),
779 appData.firstProtocolVersion);
780 DisplayFatalError(buf, 0, 2);
782 first.protocolVersion = appData.firstProtocolVersion;
785 if (appData.secondProtocolVersion > PROTOVER ||
786 appData.secondProtocolVersion < 1) {
788 sprintf(buf, _("protocol version %d not supported"),
789 appData.secondProtocolVersion);
790 DisplayFatalError(buf, 0, 2);
792 second.protocolVersion = appData.secondProtocolVersion;
795 if (appData.icsActive) {
796 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
797 } else if (*appData.searchTime != NULLCHAR || appData.noChessProgram) {
798 appData.clockMode = FALSE;
799 first.sendTime = second.sendTime = 0;
803 /* Override some settings from environment variables, for backward
804 compatibility. Unfortunately it's not feasible to have the env
805 vars just set defaults, at least in xboard. Ugh.
807 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
812 if (appData.noChessProgram) {
813 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
814 sprintf(programVersion, "%s", PACKAGE_STRING);
816 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
817 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
818 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
821 if (!appData.icsActive) {
823 /* Check for variants that are supported only in ICS mode,
824 or not at all. Some that are accepted here nevertheless
825 have bugs; see comments below.
827 VariantClass variant = StringToVariant(appData.variant);
829 case VariantBughouse: /* need four players and two boards */
830 case VariantKriegspiel: /* need to hide pieces and move details */
831 /* case VariantFischeRandom: (Fabien: moved below) */
832 sprintf(buf, _("Variant %s supported only in ICS mode"), appData.variant);
833 DisplayFatalError(buf, 0, 2);
837 case VariantLoadable:
847 sprintf(buf, _("Unknown variant name %s"), appData.variant);
848 DisplayFatalError(buf, 0, 2);
851 case VariantXiangqi: /* [HGM] repetition rules not implemented */
852 case VariantFairy: /* [HGM] TestLegality definitely off! */
853 case VariantGothic: /* [HGM] should work */
854 case VariantCapablanca: /* [HGM] should work */
855 case VariantCourier: /* [HGM] initial forced moves not implemented */
856 case VariantShogi: /* [HGM] drops not tested for legality */
857 case VariantKnightmate: /* [HGM] should work */
858 case VariantCylinder: /* [HGM] untested */
859 case VariantFalcon: /* [HGM] untested */
860 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
861 offboard interposition not understood */
862 case VariantNormal: /* definitely works! */
863 case VariantWildCastle: /* pieces not automatically shuffled */
864 case VariantNoCastle: /* pieces not automatically shuffled */
865 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
866 case VariantLosers: /* should work except for win condition,
867 and doesn't know captures are mandatory */
868 case VariantSuicide: /* should work except for win condition,
869 and doesn't know captures are mandatory */
870 case VariantGiveaway: /* should work except for win condition,
871 and doesn't know captures are mandatory */
872 case VariantTwoKings: /* should work */
873 case VariantAtomic: /* should work except for win condition */
874 case Variant3Check: /* should work except for win condition */
875 case VariantShatranj: /* should work except for all win conditions */
876 case VariantBerolina: /* might work if TestLegality is off */
877 case VariantCapaRandom: /* should work */
878 case VariantJanus: /* should work */
879 case VariantSuper: /* experimental */
880 case VariantGreat: /* experimental, requires legality testing to be off */
885 InitEngineUCI( installDir, &first ); // [HGM] moved here from winboard.c, to make available in xboard
886 InitEngineUCI( installDir, &second );
889 int NextIntegerFromString( char ** str, long * value )
894 while( *s == ' ' || *s == '\t' ) {
900 if( *s >= '0' && *s <= '9' ) {
901 while( *s >= '0' && *s <= '9' ) {
902 *value = *value * 10 + (*s - '0');
914 int NextTimeControlFromString( char ** str, long * value )
917 int result = NextIntegerFromString( str, &temp );
920 *value = temp * 60; /* Minutes */
923 result = NextIntegerFromString( str, &temp );
924 *value += temp; /* Seconds */
931 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc)
932 { /* [HGM] routine added to read '+moves/time' for secondary time control */
933 int result = -1; long temp, temp2;
935 if(**str != '+') return -1; // old params remain in force!
937 if( NextTimeControlFromString( str, &temp ) ) return -1;
940 /* time only: incremental or sudden-death time control */
941 if(**str == '+') { /* increment follows; read it */
943 if(result = NextIntegerFromString( str, &temp2)) return -1;
946 *moves = 0; *tc = temp * 1000;
948 } else if(temp % 60 != 0) return -1; /* moves was given as min:sec */
950 (*str)++; /* classical time control */
951 result = NextTimeControlFromString( str, &temp2);
960 int GetTimeQuota(int movenr)
961 { /* [HGM] get time to add from the multi-session time-control string */
962 int moves=1; /* kludge to force reading of first session */
963 long time, increment;
964 char *s = fullTimeControlString;
966 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", fullTimeControlString);
968 if(moves) NextSessionFromString(&s, &moves, &time, &increment);
969 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
970 if(movenr == -1) return time; /* last move before new session */
971 if(!moves) return increment; /* current session is incremental */
972 if(movenr >= 0) movenr -= moves; /* we already finished this session */
973 } while(movenr >= -1); /* try again for next session */
975 return 0; // no new time quota on this move
979 ParseTimeControl(tc, ti, mps)
988 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
991 sprintf(buf, "+%d/%s+%d", mps, tc, ti);
992 else sprintf(buf, "+%s+%d", tc, ti);
995 sprintf(buf, "+%d/%s", mps, tc);
996 else sprintf(buf, "+%s", tc);
998 fullTimeControlString = StrSave(buf);
1000 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1005 /* Parse second time control */
1008 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1016 timeControl_2 = tc2 * 1000;
1026 timeControl = tc1 * 1000;
1029 timeIncrement = ti * 1000; /* convert to ms */
1030 movesPerSession = 0;
1033 movesPerSession = mps;
1041 if (appData.debugMode) {
1042 fprintf(debugFP, "%s\n", programVersion);
1045 set_cont_sequence(appData.wrapContSeq);
1046 if (appData.matchGames > 0) {
1047 appData.matchMode = TRUE;
1048 } else if (appData.matchMode) {
1049 appData.matchGames = 1;
1051 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1052 appData.matchGames = appData.sameColorGames;
1053 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1054 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1055 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1058 if (appData.noChessProgram || first.protocolVersion == 1) {
1061 /* kludge: allow timeout for initial "feature" commands */
1063 DisplayMessage("", _("Starting chess program"));
1064 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1069 InitBackEnd3 P((void))
1071 GameMode initialMode;
1075 InitChessProgram(&first, startedFromSetupPosition);
1078 if (appData.icsActive) {
1080 /* [DM] Make a console window if needed [HGM] merged ifs */
1085 if (*appData.icsCommPort != NULLCHAR) {
1086 sprintf(buf, _("Could not open comm port %s"),
1087 appData.icsCommPort);
1089 snprintf(buf, sizeof(buf), _("Could not connect to host %s, port %s"),
1090 appData.icsHost, appData.icsPort);
1092 DisplayFatalError(buf, err, 1);
1097 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1099 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1100 } else if (appData.noChessProgram) {
1106 if (*appData.cmailGameName != NULLCHAR) {
1108 OpenLoopback(&cmailPR);
1110 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1114 DisplayMessage("", "");
1115 if (StrCaseCmp(appData.initialMode, "") == 0) {
1116 initialMode = BeginningOfGame;
1117 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1118 initialMode = TwoMachinesPlay;
1119 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1120 initialMode = AnalyzeFile;
1121 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1122 initialMode = AnalyzeMode;
1123 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1124 initialMode = MachinePlaysWhite;
1125 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1126 initialMode = MachinePlaysBlack;
1127 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1128 initialMode = EditGame;
1129 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1130 initialMode = EditPosition;
1131 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1132 initialMode = Training;
1134 sprintf(buf, _("Unknown initialMode %s"), appData.initialMode);
1135 DisplayFatalError(buf, 0, 2);
1139 if (appData.matchMode) {
1140 /* Set up machine vs. machine match */
1141 if (appData.noChessProgram) {
1142 DisplayFatalError(_("Can't have a match with no chess programs"),
1148 if (*appData.loadGameFile != NULLCHAR) {
1149 int index = appData.loadGameIndex; // [HGM] autoinc
1150 if(index<0) lastIndex = index = 1;
1151 if (!LoadGameFromFile(appData.loadGameFile,
1153 appData.loadGameFile, FALSE)) {
1154 DisplayFatalError(_("Bad game file"), 0, 1);
1157 } else if (*appData.loadPositionFile != NULLCHAR) {
1158 int index = appData.loadPositionIndex; // [HGM] autoinc
1159 if(index<0) lastIndex = index = 1;
1160 if (!LoadPositionFromFile(appData.loadPositionFile,
1162 appData.loadPositionFile)) {
1163 DisplayFatalError(_("Bad position file"), 0, 1);
1168 } else if (*appData.cmailGameName != NULLCHAR) {
1169 /* Set up cmail mode */
1170 ReloadCmailMsgEvent(TRUE);
1172 /* Set up other modes */
1173 if (initialMode == AnalyzeFile) {
1174 if (*appData.loadGameFile == NULLCHAR) {
1175 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1179 if (*appData.loadGameFile != NULLCHAR) {
1180 (void) LoadGameFromFile(appData.loadGameFile,
1181 appData.loadGameIndex,
1182 appData.loadGameFile, TRUE);
1183 } else if (*appData.loadPositionFile != NULLCHAR) {
1184 (void) LoadPositionFromFile(appData.loadPositionFile,
1185 appData.loadPositionIndex,
1186 appData.loadPositionFile);
1187 /* [HGM] try to make self-starting even after FEN load */
1188 /* to allow automatic setup of fairy variants with wtm */
1189 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1190 gameMode = BeginningOfGame;
1191 setboardSpoiledMachineBlack = 1;
1193 /* [HGM] loadPos: make that every new game uses the setup */
1194 /* from file as long as we do not switch variant */
1195 if(!blackPlaysFirst) { int i;
1196 startedFromPositionFile = TRUE;
1197 CopyBoard(filePosition, boards[0]);
1198 for(i=0; i<BOARD_SIZE; i++) fileRights[i] = castlingRights[0][i];
1201 if (initialMode == AnalyzeMode) {
1202 if (appData.noChessProgram) {
1203 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1206 if (appData.icsActive) {
1207 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1211 } else if (initialMode == AnalyzeFile) {
1212 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1213 ShowThinkingEvent();
1215 AnalysisPeriodicEvent(1);
1216 } else if (initialMode == MachinePlaysWhite) {
1217 if (appData.noChessProgram) {
1218 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1222 if (appData.icsActive) {
1223 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1227 MachineWhiteEvent();
1228 } else if (initialMode == MachinePlaysBlack) {
1229 if (appData.noChessProgram) {
1230 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1234 if (appData.icsActive) {
1235 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1239 MachineBlackEvent();
1240 } else if (initialMode == TwoMachinesPlay) {
1241 if (appData.noChessProgram) {
1242 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1246 if (appData.icsActive) {
1247 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1252 } else if (initialMode == EditGame) {
1254 } else if (initialMode == EditPosition) {
1255 EditPositionEvent();
1256 } else if (initialMode == Training) {
1257 if (*appData.loadGameFile == NULLCHAR) {
1258 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1267 * Establish will establish a contact to a remote host.port.
1268 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1269 * used to talk to the host.
1270 * Returns 0 if okay, error code if not.
1277 if (*appData.icsCommPort != NULLCHAR) {
1278 /* Talk to the host through a serial comm port */
1279 return OpenCommPort(appData.icsCommPort, &icsPR);
1281 } else if (*appData.gateway != NULLCHAR) {
1282 if (*appData.remoteShell == NULLCHAR) {
1283 /* Use the rcmd protocol to run telnet program on a gateway host */
1284 snprintf(buf, sizeof(buf), "%s %s %s",
1285 appData.telnetProgram, appData.icsHost, appData.icsPort);
1286 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1289 /* Use the rsh program to run telnet program on a gateway host */
1290 if (*appData.remoteUser == NULLCHAR) {
1291 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1292 appData.gateway, appData.telnetProgram,
1293 appData.icsHost, appData.icsPort);
1295 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1296 appData.remoteShell, appData.gateway,
1297 appData.remoteUser, appData.telnetProgram,
1298 appData.icsHost, appData.icsPort);
1300 return StartChildProcess(buf, "", &icsPR);
1303 } else if (appData.useTelnet) {
1304 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1307 /* TCP socket interface differs somewhat between
1308 Unix and NT; handle details in the front end.
1310 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1315 show_bytes(fp, buf, count)
1321 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1322 fprintf(fp, "\\%03o", *buf & 0xff);
1331 /* Returns an errno value */
1333 OutputMaybeTelnet(pr, message, count, outError)
1339 char buf[8192], *p, *q, *buflim;
1340 int left, newcount, outcount;
1342 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1343 *appData.gateway != NULLCHAR) {
1344 if (appData.debugMode) {
1345 fprintf(debugFP, ">ICS: ");
1346 show_bytes(debugFP, message, count);
1347 fprintf(debugFP, "\n");
1349 return OutputToProcess(pr, message, count, outError);
1352 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1359 if (appData.debugMode) {
1360 fprintf(debugFP, ">ICS: ");
1361 show_bytes(debugFP, buf, newcount);
1362 fprintf(debugFP, "\n");
1364 outcount = OutputToProcess(pr, buf, newcount, outError);
1365 if (outcount < newcount) return -1; /* to be sure */
1372 } else if (((unsigned char) *p) == TN_IAC) {
1373 *q++ = (char) TN_IAC;
1380 if (appData.debugMode) {
1381 fprintf(debugFP, ">ICS: ");
1382 show_bytes(debugFP, buf, newcount);
1383 fprintf(debugFP, "\n");
1385 outcount = OutputToProcess(pr, buf, newcount, outError);
1386 if (outcount < newcount) return -1; /* to be sure */
1391 read_from_player(isr, closure, message, count, error)
1398 int outError, outCount;
1399 static int gotEof = 0;
1401 /* Pass data read from player on to ICS */
1404 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1405 if (outCount < count) {
1406 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1408 } else if (count < 0) {
1409 RemoveInputSource(isr);
1410 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1411 } else if (gotEof++ > 0) {
1412 RemoveInputSource(isr);
1413 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1419 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1420 SendToICS("date\n");
1421 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1424 /* added routine for printf style output to ics */
1425 void ics_printf(char *format, ...)
1427 char buffer[MSG_SIZ];
1430 va_start(args, format);
1431 vsnprintf(buffer, sizeof(buffer), format, args);
1432 buffer[sizeof(buffer)-1] = '\0';
1441 int count, outCount, outError;
1443 if (icsPR == NULL) return;
1446 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1447 if (outCount < count) {
1448 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1452 /* This is used for sending logon scripts to the ICS. Sending
1453 without a delay causes problems when using timestamp on ICC
1454 (at least on my machine). */
1456 SendToICSDelayed(s,msdelay)
1460 int count, outCount, outError;
1462 if (icsPR == NULL) return;
1465 if (appData.debugMode) {
1466 fprintf(debugFP, ">ICS: ");
1467 show_bytes(debugFP, s, count);
1468 fprintf(debugFP, "\n");
1470 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1472 if (outCount < count) {
1473 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1478 /* Remove all highlighting escape sequences in s
1479 Also deletes any suffix starting with '('
1482 StripHighlightAndTitle(s)
1485 static char retbuf[MSG_SIZ];
1488 while (*s != NULLCHAR) {
1489 while (*s == '\033') {
1490 while (*s != NULLCHAR && !isalpha(*s)) s++;
1491 if (*s != NULLCHAR) s++;
1493 while (*s != NULLCHAR && *s != '\033') {
1494 if (*s == '(' || *s == '[') {
1505 /* Remove all highlighting escape sequences in s */
1510 static char retbuf[MSG_SIZ];
1513 while (*s != NULLCHAR) {
1514 while (*s == '\033') {
1515 while (*s != NULLCHAR && !isalpha(*s)) s++;
1516 if (*s != NULLCHAR) s++;
1518 while (*s != NULLCHAR && *s != '\033') {
1526 char *variantNames[] = VARIANT_NAMES;
1531 return variantNames[v];
1535 /* Identify a variant from the strings the chess servers use or the
1536 PGN Variant tag names we use. */
1543 VariantClass v = VariantNormal;
1544 int i, found = FALSE;
1549 /* [HGM] skip over optional board-size prefixes */
1550 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1551 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1552 while( *e++ != '_');
1555 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1559 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1560 if (StrCaseStr(e, variantNames[i])) {
1561 v = (VariantClass) i;
1568 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1569 || StrCaseStr(e, "wild/fr")
1570 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1571 v = VariantFischeRandom;
1572 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1573 (i = 1, p = StrCaseStr(e, "w"))) {
1575 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
1582 case 0: /* FICS only, actually */
1584 /* Castling legal even if K starts on d-file */
1585 v = VariantWildCastle;
1590 /* Castling illegal even if K & R happen to start in
1591 normal positions. */
1592 v = VariantNoCastle;
1605 /* Castling legal iff K & R start in normal positions */
1611 /* Special wilds for position setup; unclear what to do here */
1612 v = VariantLoadable;
1615 /* Bizarre ICC game */
1616 v = VariantTwoKings;
1619 v = VariantKriegspiel;
1625 v = VariantFischeRandom;
1628 v = VariantCrazyhouse;
1631 v = VariantBughouse;
1637 /* Not quite the same as FICS suicide! */
1638 v = VariantGiveaway;
1644 v = VariantShatranj;
1647 /* Temporary names for future ICC types. The name *will* change in
1648 the next xboard/WinBoard release after ICC defines it. */
1686 v = VariantCapablanca;
1689 v = VariantKnightmate;
1695 v = VariantCylinder;
1701 v = VariantCapaRandom;
1704 v = VariantBerolina;
1716 /* Found "wild" or "w" in the string but no number;
1717 must assume it's normal chess. */
1721 sprintf(buf, _("Unknown wild type %d"), wnum);
1722 DisplayError(buf, 0);
1728 if (appData.debugMode) {
1729 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
1730 e, wnum, VariantName(v));
1735 static int leftover_start = 0, leftover_len = 0;
1736 char star_match[STAR_MATCH_N][MSG_SIZ];
1738 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
1739 advance *index beyond it, and set leftover_start to the new value of
1740 *index; else return FALSE. If pattern contains the character '*', it
1741 matches any sequence of characters not containing '\r', '\n', or the
1742 character following the '*' (if any), and the matched sequence(s) are
1743 copied into star_match.
1746 looking_at(buf, index, pattern)
1751 char *bufp = &buf[*index], *patternp = pattern;
1753 char *matchp = star_match[0];
1756 if (*patternp == NULLCHAR) {
1757 *index = leftover_start = bufp - buf;
1761 if (*bufp == NULLCHAR) return FALSE;
1762 if (*patternp == '*') {
1763 if (*bufp == *(patternp + 1)) {
1765 matchp = star_match[++star_count];
1769 } else if (*bufp == '\n' || *bufp == '\r') {
1771 if (*patternp == NULLCHAR)
1776 *matchp++ = *bufp++;
1780 if (*patternp != *bufp) return FALSE;
1787 SendToPlayer(data, length)
1791 int error, outCount;
1792 outCount = OutputToProcess(NoProc, data, length, &error);
1793 if (outCount < length) {
1794 DisplayFatalError(_("Error writing to display"), error, 1);
1799 PackHolding(packed, holding)
1811 switch (runlength) {
1822 sprintf(q, "%d", runlength);
1834 /* Telnet protocol requests from the front end */
1836 TelnetRequest(ddww, option)
1837 unsigned char ddww, option;
1839 unsigned char msg[3];
1840 int outCount, outError;
1842 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
1844 if (appData.debugMode) {
1845 char buf1[8], buf2[8], *ddwwStr, *optionStr;
1861 sprintf(buf1, "%d", ddww);
1870 sprintf(buf2, "%d", option);
1873 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
1878 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
1880 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1887 if (!appData.icsActive) return;
1888 TelnetRequest(TN_DO, TN_ECHO);
1894 if (!appData.icsActive) return;
1895 TelnetRequest(TN_DONT, TN_ECHO);
1899 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
1901 /* put the holdings sent to us by the server on the board holdings area */
1902 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
1906 if(gameInfo.holdingsWidth < 2) return;
1907 if(gameInfo.variant != VariantBughouse && board[BOARD_SIZE-1][BOARD_SIZE-2])
1908 return; // prevent overwriting by pre-board holdings
1910 if( (int)lowestPiece >= BlackPawn ) {
1913 holdingsStartRow = BOARD_HEIGHT-1;
1916 holdingsColumn = BOARD_WIDTH-1;
1917 countsColumn = BOARD_WIDTH-2;
1918 holdingsStartRow = 0;
1922 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
1923 board[i][holdingsColumn] = EmptySquare;
1924 board[i][countsColumn] = (ChessSquare) 0;
1926 while( (p=*holdings++) != NULLCHAR ) {
1927 piece = CharToPiece( ToUpper(p) );
1928 if(piece == EmptySquare) continue;
1929 /*j = (int) piece - (int) WhitePawn;*/
1930 j = PieceToNumber(piece);
1931 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
1932 if(j < 0) continue; /* should not happen */
1933 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
1934 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
1935 board[holdingsStartRow+j*direction][countsColumn]++;
1941 VariantSwitch(Board board, VariantClass newVariant)
1943 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
1946 startedFromPositionFile = FALSE;
1947 if(gameInfo.variant == newVariant) return;
1949 /* [HGM] This routine is called each time an assignment is made to
1950 * gameInfo.variant during a game, to make sure the board sizes
1951 * are set to match the new variant. If that means adding or deleting
1952 * holdings, we shift the playing board accordingly
1953 * This kludge is needed because in ICS observe mode, we get boards
1954 * of an ongoing game without knowing the variant, and learn about the
1955 * latter only later. This can be because of the move list we requested,
1956 * in which case the game history is refilled from the beginning anyway,
1957 * but also when receiving holdings of a crazyhouse game. In the latter
1958 * case we want to add those holdings to the already received position.
1962 if (appData.debugMode) {
1963 fprintf(debugFP, "Switch board from %s to %s\n",
1964 VariantName(gameInfo.variant), VariantName(newVariant));
1965 setbuf(debugFP, NULL);
1967 shuffleOpenings = 0; /* [HGM] shuffle */
1968 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
1972 newWidth = 9; newHeight = 9;
1973 gameInfo.holdingsSize = 7;
1974 case VariantBughouse:
1975 case VariantCrazyhouse:
1976 newHoldingsWidth = 2; break;
1980 newHoldingsWidth = 2;
1981 gameInfo.holdingsSize = 8;
1984 case VariantCapablanca:
1985 case VariantCapaRandom:
1988 newHoldingsWidth = gameInfo.holdingsSize = 0;
1991 if(newWidth != gameInfo.boardWidth ||
1992 newHeight != gameInfo.boardHeight ||
1993 newHoldingsWidth != gameInfo.holdingsWidth ) {
1995 /* shift position to new playing area, if needed */
1996 if(newHoldingsWidth > gameInfo.holdingsWidth) {
1997 for(i=0; i<BOARD_HEIGHT; i++)
1998 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
1999 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2001 for(i=0; i<newHeight; i++) {
2002 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2003 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2005 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2006 for(i=0; i<BOARD_HEIGHT; i++)
2007 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2008 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2011 gameInfo.boardWidth = newWidth;
2012 gameInfo.boardHeight = newHeight;
2013 gameInfo.holdingsWidth = newHoldingsWidth;
2014 gameInfo.variant = newVariant;
2015 InitDrawingSizes(-2, 0);
2016 } else gameInfo.variant = newVariant;
2017 CopyBoard(oldBoard, board); // remember correctly formatted board
2018 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2019 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2022 static int loggedOn = FALSE;
2024 /*-- Game start info cache: --*/
2026 char gs_kind[MSG_SIZ];
2027 static char player1Name[128] = "";
2028 static char player2Name[128] = "";
2029 static char cont_seq[] = "\n\\ ";
2030 static int player1Rating = -1;
2031 static int player2Rating = -1;
2032 /*----------------------------*/
2034 ColorClass curColor = ColorNormal;
2035 int suppressKibitz = 0;
2038 read_from_ics(isr, closure, data, count, error)
2045 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2046 #define STARTED_NONE 0
2047 #define STARTED_MOVES 1
2048 #define STARTED_BOARD 2
2049 #define STARTED_OBSERVE 3
2050 #define STARTED_HOLDINGS 4
2051 #define STARTED_CHATTER 5
2052 #define STARTED_COMMENT 6
2053 #define STARTED_MOVES_NOHIDE 7
2055 static int started = STARTED_NONE;
2056 static char parse[20000];
2057 static int parse_pos = 0;
2058 static char buf[BUF_SIZE + 1];
2059 static int firstTime = TRUE, intfSet = FALSE;
2060 static ColorClass prevColor = ColorNormal;
2061 static int savingComment = FALSE;
2062 static int cmatch = 0; // continuation sequence match
2069 int backup; /* [DM] For zippy color lines */
2071 char talker[MSG_SIZ]; // [HGM] chat
2074 if (appData.debugMode) {
2076 fprintf(debugFP, "<ICS: ");
2077 show_bytes(debugFP, data, count);
2078 fprintf(debugFP, "\n");
2082 if (appData.debugMode) { int f = forwardMostMove;
2083 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2084 castlingRights[f][0],castlingRights[f][1],castlingRights[f][2],castlingRights[f][3],castlingRights[f][4],castlingRights[f][5]);
2087 /* If last read ended with a partial line that we couldn't parse,
2088 prepend it to the new read and try again. */
2089 if (leftover_len > 0) {
2090 for (i=0; i<leftover_len; i++)
2091 buf[i] = buf[leftover_start + i];
2094 /* copy new characters into the buffer */
2095 bp = buf + leftover_len;
2096 buf_len=leftover_len;
2097 for (i=0; i<count; i++)
2100 if (data[i] == '\r')
2103 // join lines split by ICS?
2104 if (!appData.noJoin)
2107 Joining just consists of finding matches against the
2108 continuation sequence, and discarding that sequence
2109 if found instead of copying it. So, until a match
2110 fails, there's nothing to do since it might be the
2111 complete sequence, and thus, something we don't want
2114 if (data[i] == cont_seq[cmatch])
2117 if (cmatch == strlen(cont_seq))
2119 cmatch = 0; // complete match. just reset the counter
2122 it's possible for the ICS to not include the space
2123 at the end of the last word, making our [correct]
2124 join operation fuse two separate words. the server
2125 does this when the space occurs at the width setting.
2127 if (!buf_len || buf[buf_len-1] != ' ')
2138 match failed, so we have to copy what matched before
2139 falling through and copying this character. In reality,
2140 this will only ever be just the newline character, but
2141 it doesn't hurt to be precise.
2143 strncpy(bp, cont_seq, cmatch);
2155 buf[buf_len] = NULLCHAR;
2156 next_out = leftover_len;
2160 while (i < buf_len) {
2161 /* Deal with part of the TELNET option negotiation
2162 protocol. We refuse to do anything beyond the
2163 defaults, except that we allow the WILL ECHO option,
2164 which ICS uses to turn off password echoing when we are
2165 directly connected to it. We reject this option
2166 if localLineEditing mode is on (always on in xboard)
2167 and we are talking to port 23, which might be a real
2168 telnet server that will try to keep WILL ECHO on permanently.
2170 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2171 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2172 unsigned char option;
2174 switch ((unsigned char) buf[++i]) {
2176 if (appData.debugMode)
2177 fprintf(debugFP, "\n<WILL ");
2178 switch (option = (unsigned char) buf[++i]) {
2180 if (appData.debugMode)
2181 fprintf(debugFP, "ECHO ");
2182 /* Reply only if this is a change, according
2183 to the protocol rules. */
2184 if (remoteEchoOption) break;
2185 if (appData.localLineEditing &&
2186 atoi(appData.icsPort) == TN_PORT) {
2187 TelnetRequest(TN_DONT, TN_ECHO);
2190 TelnetRequest(TN_DO, TN_ECHO);
2191 remoteEchoOption = TRUE;
2195 if (appData.debugMode)
2196 fprintf(debugFP, "%d ", option);
2197 /* Whatever this is, we don't want it. */
2198 TelnetRequest(TN_DONT, option);
2203 if (appData.debugMode)
2204 fprintf(debugFP, "\n<WONT ");
2205 switch (option = (unsigned char) buf[++i]) {
2207 if (appData.debugMode)
2208 fprintf(debugFP, "ECHO ");
2209 /* Reply only if this is a change, according
2210 to the protocol rules. */
2211 if (!remoteEchoOption) break;
2213 TelnetRequest(TN_DONT, TN_ECHO);
2214 remoteEchoOption = FALSE;
2217 if (appData.debugMode)
2218 fprintf(debugFP, "%d ", (unsigned char) option);
2219 /* Whatever this is, it must already be turned
2220 off, because we never agree to turn on
2221 anything non-default, so according to the
2222 protocol rules, we don't reply. */
2227 if (appData.debugMode)
2228 fprintf(debugFP, "\n<DO ");
2229 switch (option = (unsigned char) buf[++i]) {
2231 /* Whatever this is, we refuse to do it. */
2232 if (appData.debugMode)
2233 fprintf(debugFP, "%d ", option);
2234 TelnetRequest(TN_WONT, option);
2239 if (appData.debugMode)
2240 fprintf(debugFP, "\n<DONT ");
2241 switch (option = (unsigned char) buf[++i]) {
2243 if (appData.debugMode)
2244 fprintf(debugFP, "%d ", option);
2245 /* Whatever this is, we are already not doing
2246 it, because we never agree to do anything
2247 non-default, so according to the protocol
2248 rules, we don't reply. */
2253 if (appData.debugMode)
2254 fprintf(debugFP, "\n<IAC ");
2255 /* Doubled IAC; pass it through */
2259 if (appData.debugMode)
2260 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2261 /* Drop all other telnet commands on the floor */
2264 if (oldi > next_out)
2265 SendToPlayer(&buf[next_out], oldi - next_out);
2271 /* OK, this at least will *usually* work */
2272 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2276 if (loggedOn && !intfSet) {
2277 if (ics_type == ICS_ICC) {
2279 "/set-quietly interface %s\n/set-quietly style 12\n",
2281 } else if (ics_type == ICS_CHESSNET) {
2282 sprintf(str, "/style 12\n");
2284 strcpy(str, "alias $ @\n$set interface ");
2285 strcat(str, programVersion);
2286 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2288 strcat(str, "$iset nohighlight 1\n");
2290 strcat(str, "$iset lock 1\n$style 12\n");
2293 NotifyFrontendLogin();
2297 if (started == STARTED_COMMENT) {
2298 /* Accumulate characters in comment */
2299 parse[parse_pos++] = buf[i];
2300 if (buf[i] == '\n') {
2301 parse[parse_pos] = NULLCHAR;
2302 if(chattingPartner>=0) {
2304 sprintf(mess, "%s%s", talker, parse);
2305 OutputChatMessage(chattingPartner, mess);
2306 chattingPartner = -1;
2308 if(!suppressKibitz) // [HGM] kibitz
2309 AppendComment(forwardMostMove, StripHighlight(parse));
2310 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2311 int nrDigit = 0, nrAlph = 0, i;
2312 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2313 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2314 parse[parse_pos] = NULLCHAR;
2315 // try to be smart: if it does not look like search info, it should go to
2316 // ICS interaction window after all, not to engine-output window.
2317 for(i=0; i<parse_pos; i++) { // count letters and digits
2318 nrDigit += (parse[i] >= '0' && parse[i] <= '9');
2319 nrAlph += (parse[i] >= 'a' && parse[i] <= 'z');
2320 nrAlph += (parse[i] >= 'A' && parse[i] <= 'Z');
2322 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2323 int depth=0; float score;
2324 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2325 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2326 pvInfoList[forwardMostMove-1].depth = depth;
2327 pvInfoList[forwardMostMove-1].score = 100*score;
2329 OutputKibitz(suppressKibitz, parse);
2332 sprintf(tmp, _("your opponent kibitzes: %s"), parse);
2333 SendToPlayer(tmp, strlen(tmp));
2336 started = STARTED_NONE;
2338 /* Don't match patterns against characters in chatter */
2343 if (started == STARTED_CHATTER) {
2344 if (buf[i] != '\n') {
2345 /* Don't match patterns against characters in chatter */
2349 started = STARTED_NONE;
2352 /* Kludge to deal with rcmd protocol */
2353 if (firstTime && looking_at(buf, &i, "\001*")) {
2354 DisplayFatalError(&buf[1], 0, 1);
2360 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2363 if (appData.debugMode)
2364 fprintf(debugFP, "ics_type %d\n", ics_type);
2367 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2368 ics_type = ICS_FICS;
2370 if (appData.debugMode)
2371 fprintf(debugFP, "ics_type %d\n", ics_type);
2374 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
2375 ics_type = ICS_CHESSNET;
2377 if (appData.debugMode)
2378 fprintf(debugFP, "ics_type %d\n", ics_type);
2383 (looking_at(buf, &i, "\"*\" is *a registered name") ||
2384 looking_at(buf, &i, "Logging you in as \"*\"") ||
2385 looking_at(buf, &i, "will be \"*\""))) {
2386 strcpy(ics_handle, star_match[0]);
2390 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
2392 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
2393 DisplayIcsInteractionTitle(buf);
2394 have_set_title = TRUE;
2397 /* skip finger notes */
2398 if (started == STARTED_NONE &&
2399 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
2400 (buf[i] == '1' && buf[i+1] == '0')) &&
2401 buf[i+2] == ':' && buf[i+3] == ' ') {
2402 started = STARTED_CHATTER;
2407 /* skip formula vars */
2408 if (started == STARTED_NONE &&
2409 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
2410 started = STARTED_CHATTER;
2416 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
2417 if (appData.autoKibitz && started == STARTED_NONE &&
2418 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
2419 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
2420 if(looking_at(buf, &i, "* kibitzes: ") &&
2421 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
2422 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
2423 suppressKibitz = TRUE;
2424 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
2425 && (gameMode == IcsPlayingWhite)) ||
2426 (StrStr(star_match[0], gameInfo.black) == star_match[0]
2427 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
2428 started = STARTED_CHATTER; // own kibitz we simply discard
2430 started = STARTED_COMMENT; // make sure it will be collected in parse[]
2431 parse_pos = 0; parse[0] = NULLCHAR;
2432 savingComment = TRUE;
2433 suppressKibitz = gameMode != IcsObserving ? 2 :
2434 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
2438 if(looking_at(buf, &i, "kibitzed to")) { // suppress the acknowledgements of our own autoKibitz
2439 started = STARTED_CHATTER;
2440 suppressKibitz = TRUE;
2442 } // [HGM] kibitz: end of patch
2444 //if(appData.debugMode) fprintf(debugFP, "hunt for tell, buf = %s\n", buf+i);
2446 // [HGM] chat: intercept tells by users for which we have an open chat window
2448 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
2449 looking_at(buf, &i, "* whispers:") ||
2450 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
2451 looking_at(buf, &i, "*(*)(*):") && sscanf(star_match[2], "%d", &channel) == 1 )) {
2453 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
2454 chattingPartner = -1;
2456 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
2457 for(p=0; p<MAX_CHAT; p++) {
2458 if(channel == atoi(chatPartner[p])) {
2459 talker[0] = '['; strcat(talker, "]");
2460 chattingPartner = p; break;
2463 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
2464 for(p=0; p<MAX_CHAT; p++) {
2465 if(!strcmp("WHISPER", chatPartner[p])) {
2466 talker[0] = '['; strcat(talker, "]");
2467 chattingPartner = p; break;
2470 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
2471 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
2473 chattingPartner = p; break;
2475 if(chattingPartner<0) i = oldi; else {
2476 started = STARTED_COMMENT;
2477 parse_pos = 0; parse[0] = NULLCHAR;
2478 savingComment = TRUE;
2479 suppressKibitz = TRUE;
2481 } // [HGM] chat: end of patch
2483 if (appData.zippyTalk || appData.zippyPlay) {
2484 /* [DM] Backup address for color zippy lines */
2488 if (loggedOn == TRUE)
2489 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
2490 (appData.zippyPlay && ZippyMatch(buf, &backup)));
2492 if (ZippyControl(buf, &i) ||
2493 ZippyConverse(buf, &i) ||
2494 (appData.zippyPlay && ZippyMatch(buf, &i))) {
2496 if (!appData.colorize) continue;
2500 } // [DM] 'else { ' deleted
2502 /* Regular tells and says */
2503 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
2504 looking_at(buf, &i, "* (your partner) tells you: ") ||
2505 looking_at(buf, &i, "* says: ") ||
2506 /* Don't color "message" or "messages" output */
2507 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
2508 looking_at(buf, &i, "*. * at *:*: ") ||
2509 looking_at(buf, &i, "--* (*:*): ") ||
2510 /* Message notifications (same color as tells) */
2511 looking_at(buf, &i, "* has left a message ") ||
2512 looking_at(buf, &i, "* just sent you a message:\n") ||
2513 /* Whispers and kibitzes */
2514 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
2515 looking_at(buf, &i, "* kibitzes: ") ||
2517 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
2519 if (tkind == 1 && strchr(star_match[0], ':')) {
2520 /* Avoid "tells you:" spoofs in channels */
2523 if (star_match[0][0] == NULLCHAR ||
2524 strchr(star_match[0], ' ') ||
2525 (tkind == 3 && strchr(star_match[1], ' '))) {
2526 /* Reject bogus matches */
2529 if (appData.colorize) {
2530 if (oldi > next_out) {
2531 SendToPlayer(&buf[next_out], oldi - next_out);
2536 Colorize(ColorTell, FALSE);
2537 curColor = ColorTell;
2540 Colorize(ColorKibitz, FALSE);
2541 curColor = ColorKibitz;
2544 p = strrchr(star_match[1], '(');
2551 Colorize(ColorChannel1, FALSE);
2552 curColor = ColorChannel1;
2554 Colorize(ColorChannel, FALSE);
2555 curColor = ColorChannel;
2559 curColor = ColorNormal;
2563 if (started == STARTED_NONE && appData.autoComment &&
2564 (gameMode == IcsObserving ||
2565 gameMode == IcsPlayingWhite ||
2566 gameMode == IcsPlayingBlack)) {
2567 parse_pos = i - oldi;
2568 memcpy(parse, &buf[oldi], parse_pos);
2569 parse[parse_pos] = NULLCHAR;
2570 started = STARTED_COMMENT;
2571 savingComment = TRUE;
2573 started = STARTED_CHATTER;
2574 savingComment = FALSE;
2581 if (looking_at(buf, &i, "* s-shouts: ") ||
2582 looking_at(buf, &i, "* c-shouts: ")) {
2583 if (appData.colorize) {
2584 if (oldi > next_out) {
2585 SendToPlayer(&buf[next_out], oldi - next_out);
2588 Colorize(ColorSShout, FALSE);
2589 curColor = ColorSShout;
2592 started = STARTED_CHATTER;
2596 if (looking_at(buf, &i, "--->")) {
2601 if (looking_at(buf, &i, "* shouts: ") ||
2602 looking_at(buf, &i, "--> ")) {
2603 if (appData.colorize) {
2604 if (oldi > next_out) {
2605 SendToPlayer(&buf[next_out], oldi - next_out);
2608 Colorize(ColorShout, FALSE);
2609 curColor = ColorShout;
2612 started = STARTED_CHATTER;
2616 if (looking_at( buf, &i, "Challenge:")) {
2617 if (appData.colorize) {
2618 if (oldi > next_out) {
2619 SendToPlayer(&buf[next_out], oldi - next_out);
2622 Colorize(ColorChallenge, FALSE);
2623 curColor = ColorChallenge;
2629 if (looking_at(buf, &i, "* offers you") ||
2630 looking_at(buf, &i, "* offers to be") ||
2631 looking_at(buf, &i, "* would like to") ||
2632 looking_at(buf, &i, "* requests to") ||
2633 looking_at(buf, &i, "Your opponent offers") ||
2634 looking_at(buf, &i, "Your opponent requests")) {
2636 if (appData.colorize) {
2637 if (oldi > next_out) {
2638 SendToPlayer(&buf[next_out], oldi - next_out);
2641 Colorize(ColorRequest, FALSE);
2642 curColor = ColorRequest;
2647 if (looking_at(buf, &i, "* (*) seeking")) {
2648 if (appData.colorize) {
2649 if (oldi > next_out) {
2650 SendToPlayer(&buf[next_out], oldi - next_out);
2653 Colorize(ColorSeek, FALSE);
2654 curColor = ColorSeek;
2659 if (looking_at(buf, &i, "\\ ")) {
2660 if (prevColor != ColorNormal) {
2661 if (oldi > next_out) {
2662 SendToPlayer(&buf[next_out], oldi - next_out);
2665 Colorize(prevColor, TRUE);
2666 curColor = prevColor;
2668 if (savingComment) {
2669 parse_pos = i - oldi;
2670 memcpy(parse, &buf[oldi], parse_pos);
2671 parse[parse_pos] = NULLCHAR;
2672 started = STARTED_COMMENT;
2674 started = STARTED_CHATTER;
2679 if (looking_at(buf, &i, "Black Strength :") ||
2680 looking_at(buf, &i, "<<< style 10 board >>>") ||
2681 looking_at(buf, &i, "<10>") ||
2682 looking_at(buf, &i, "#@#")) {
2683 /* Wrong board style */
2685 SendToICS(ics_prefix);
2686 SendToICS("set style 12\n");
2687 SendToICS(ics_prefix);
2688 SendToICS("refresh\n");
2692 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
2694 have_sent_ICS_logon = 1;
2698 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
2699 (looking_at(buf, &i, "\n<12> ") ||
2700 looking_at(buf, &i, "<12> "))) {
2702 if (oldi > next_out) {
2703 SendToPlayer(&buf[next_out], oldi - next_out);
2706 started = STARTED_BOARD;
2711 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
2712 looking_at(buf, &i, "<b1> ")) {
2713 if (oldi > next_out) {
2714 SendToPlayer(&buf[next_out], oldi - next_out);
2717 started = STARTED_HOLDINGS;
2722 if (looking_at(buf, &i, "* *vs. * *--- *")) {
2724 /* Header for a move list -- first line */
2726 switch (ics_getting_history) {
2730 case BeginningOfGame:
2731 /* User typed "moves" or "oldmoves" while we
2732 were idle. Pretend we asked for these
2733 moves and soak them up so user can step
2734 through them and/or save them.
2737 gameMode = IcsObserving;
2740 ics_getting_history = H_GOT_UNREQ_HEADER;
2742 case EditGame: /*?*/
2743 case EditPosition: /*?*/
2744 /* Should above feature work in these modes too? */
2745 /* For now it doesn't */
2746 ics_getting_history = H_GOT_UNWANTED_HEADER;
2749 ics_getting_history = H_GOT_UNWANTED_HEADER;
2754 /* Is this the right one? */
2755 if (gameInfo.white && gameInfo.black &&
2756 strcmp(gameInfo.white, star_match[0]) == 0 &&
2757 strcmp(gameInfo.black, star_match[2]) == 0) {
2759 ics_getting_history = H_GOT_REQ_HEADER;
2762 case H_GOT_REQ_HEADER:
2763 case H_GOT_UNREQ_HEADER:
2764 case H_GOT_UNWANTED_HEADER:
2765 case H_GETTING_MOVES:
2766 /* Should not happen */
2767 DisplayError(_("Error gathering move list: two headers"), 0);
2768 ics_getting_history = H_FALSE;
2772 /* Save player ratings into gameInfo if needed */
2773 if ((ics_getting_history == H_GOT_REQ_HEADER ||
2774 ics_getting_history == H_GOT_UNREQ_HEADER) &&
2775 (gameInfo.whiteRating == -1 ||
2776 gameInfo.blackRating == -1)) {
2778 gameInfo.whiteRating = string_to_rating(star_match[1]);
2779 gameInfo.blackRating = string_to_rating(star_match[3]);
2780 if (appData.debugMode)
2781 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
2782 gameInfo.whiteRating, gameInfo.blackRating);
2787 if (looking_at(buf, &i,
2788 "* * match, initial time: * minute*, increment: * second")) {
2789 /* Header for a move list -- second line */
2790 /* Initial board will follow if this is a wild game */
2791 if (gameInfo.event != NULL) free(gameInfo.event);
2792 sprintf(str, "ICS %s %s match", star_match[0], star_match[1]);
2793 gameInfo.event = StrSave(str);
2794 /* [HGM] we switched variant. Translate boards if needed. */
2795 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
2799 if (looking_at(buf, &i, "Move ")) {
2800 /* Beginning of a move list */
2801 switch (ics_getting_history) {
2803 /* Normally should not happen */
2804 /* Maybe user hit reset while we were parsing */
2807 /* Happens if we are ignoring a move list that is not
2808 * the one we just requested. Common if the user
2809 * tries to observe two games without turning off
2812 case H_GETTING_MOVES:
2813 /* Should not happen */
2814 DisplayError(_("Error gathering move list: nested"), 0);
2815 ics_getting_history = H_FALSE;
2817 case H_GOT_REQ_HEADER:
2818 ics_getting_history = H_GETTING_MOVES;
2819 started = STARTED_MOVES;
2821 if (oldi > next_out) {
2822 SendToPlayer(&buf[next_out], oldi - next_out);
2825 case H_GOT_UNREQ_HEADER:
2826 ics_getting_history = H_GETTING_MOVES;
2827 started = STARTED_MOVES_NOHIDE;
2830 case H_GOT_UNWANTED_HEADER:
2831 ics_getting_history = H_FALSE;
2837 if (looking_at(buf, &i, "% ") ||
2838 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
2839 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
2840 savingComment = FALSE;
2843 case STARTED_MOVES_NOHIDE:
2844 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
2845 parse[parse_pos + i - oldi] = NULLCHAR;
2846 ParseGameHistory(parse);
2848 if (appData.zippyPlay && first.initDone) {
2849 FeedMovesToProgram(&first, forwardMostMove);
2850 if (gameMode == IcsPlayingWhite) {
2851 if (WhiteOnMove(forwardMostMove)) {
2852 if (first.sendTime) {
2853 if (first.useColors) {
2854 SendToProgram("black\n", &first);
2856 SendTimeRemaining(&first, TRUE);
2858 if (first.useColors) {
2859 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
2861 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
2862 first.maybeThinking = TRUE;
2864 if (first.usePlayother) {
2865 if (first.sendTime) {
2866 SendTimeRemaining(&first, TRUE);
2868 SendToProgram("playother\n", &first);
2874 } else if (gameMode == IcsPlayingBlack) {
2875 if (!WhiteOnMove(forwardMostMove)) {
2876 if (first.sendTime) {
2877 if (first.useColors) {
2878 SendToProgram("white\n", &first);
2880 SendTimeRemaining(&first, FALSE);
2882 if (first.useColors) {
2883 SendToProgram("black\n", &first);
2885 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
2886 first.maybeThinking = TRUE;
2888 if (first.usePlayother) {
2889 if (first.sendTime) {
2890 SendTimeRemaining(&first, FALSE);
2892 SendToProgram("playother\n", &first);
2901 if (gameMode == IcsObserving && ics_gamenum == -1) {
2902 /* Moves came from oldmoves or moves command
2903 while we weren't doing anything else.
2905 currentMove = forwardMostMove;
2906 ClearHighlights();/*!!could figure this out*/
2907 flipView = appData.flipView;
2908 DrawPosition(TRUE, boards[currentMove]);
2909 DisplayBothClocks();
2910 sprintf(str, "%s vs. %s",
2911 gameInfo.white, gameInfo.black);
2915 /* Moves were history of an active game */
2916 if (gameInfo.resultDetails != NULL) {
2917 free(gameInfo.resultDetails);
2918 gameInfo.resultDetails = NULL;
2921 HistorySet(parseList, backwardMostMove,
2922 forwardMostMove, currentMove-1);
2923 DisplayMove(currentMove - 1);
2924 if (started == STARTED_MOVES) next_out = i;
2925 started = STARTED_NONE;
2926 ics_getting_history = H_FALSE;
2929 case STARTED_OBSERVE:
2930 started = STARTED_NONE;
2931 SendToICS(ics_prefix);
2932 SendToICS("refresh\n");
2938 if(bookHit) { // [HGM] book: simulate book reply
2939 static char bookMove[MSG_SIZ]; // a bit generous?
2941 programStats.nodes = programStats.depth = programStats.time =
2942 programStats.score = programStats.got_only_move = 0;
2943 sprintf(programStats.movelist, "%s (xbook)", bookHit);
2945 strcpy(bookMove, "move ");
2946 strcat(bookMove, bookHit);
2947 HandleMachineMove(bookMove, &first);
2952 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
2953 started == STARTED_HOLDINGS ||
2954 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
2955 /* Accumulate characters in move list or board */
2956 parse[parse_pos++] = buf[i];
2959 /* Start of game messages. Mostly we detect start of game
2960 when the first board image arrives. On some versions
2961 of the ICS, though, we need to do a "refresh" after starting
2962 to observe in order to get the current board right away. */
2963 if (looking_at(buf, &i, "Adding game * to observation list")) {
2964 started = STARTED_OBSERVE;
2968 /* Handle auto-observe */
2969 if (appData.autoObserve &&
2970 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
2971 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
2973 /* Choose the player that was highlighted, if any. */
2974 if (star_match[0][0] == '\033' ||
2975 star_match[1][0] != '\033') {
2976 player = star_match[0];
2978 player = star_match[2];
2980 sprintf(str, "%sobserve %s\n",
2981 ics_prefix, StripHighlightAndTitle(player));
2984 /* Save ratings from notify string */
2985 strcpy(player1Name, star_match[0]);
2986 player1Rating = string_to_rating(star_match[1]);
2987 strcpy(player2Name, star_match[2]);
2988 player2Rating = string_to_rating(star_match[3]);
2990 if (appData.debugMode)
2992 "Ratings from 'Game notification:' %s %d, %s %d\n",
2993 player1Name, player1Rating,
2994 player2Name, player2Rating);
2999 /* Deal with automatic examine mode after a game,
3000 and with IcsObserving -> IcsExamining transition */
3001 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3002 looking_at(buf, &i, "has made you an examiner of game *")) {
3004 int gamenum = atoi(star_match[0]);
3005 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3006 gamenum == ics_gamenum) {
3007 /* We were already playing or observing this game;
3008 no need to refetch history */
3009 gameMode = IcsExamining;
3011 pauseExamForwardMostMove = forwardMostMove;
3012 } else if (currentMove < forwardMostMove) {
3013 ForwardInner(forwardMostMove);
3016 /* I don't think this case really can happen */
3017 SendToICS(ics_prefix);
3018 SendToICS("refresh\n");
3023 /* Error messages */
3024 // if (ics_user_moved) {
3025 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3026 if (looking_at(buf, &i, "Illegal move") ||
3027 looking_at(buf, &i, "Not a legal move") ||
3028 looking_at(buf, &i, "Your king is in check") ||
3029 looking_at(buf, &i, "It isn't your turn") ||
3030 looking_at(buf, &i, "It is not your move")) {
3032 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3033 currentMove = --forwardMostMove;
3034 DisplayMove(currentMove - 1); /* before DMError */
3035 DrawPosition(FALSE, boards[currentMove]);
3037 DisplayBothClocks();
3039 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3045 if (looking_at(buf, &i, "still have time") ||
3046 looking_at(buf, &i, "not out of time") ||
3047 looking_at(buf, &i, "either player is out of time") ||
3048 looking_at(buf, &i, "has timeseal; checking")) {
3049 /* We must have called his flag a little too soon */
3050 whiteFlag = blackFlag = FALSE;
3054 if (looking_at(buf, &i, "added * seconds to") ||
3055 looking_at(buf, &i, "seconds were added to")) {
3056 /* Update the clocks */
3057 SendToICS(ics_prefix);
3058 SendToICS("refresh\n");
3062 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3063 ics_clock_paused = TRUE;
3068 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3069 ics_clock_paused = FALSE;
3074 /* Grab player ratings from the Creating: message.
3075 Note we have to check for the special case when
3076 the ICS inserts things like [white] or [black]. */
3077 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3078 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3080 0 player 1 name (not necessarily white)
3082 2 empty, white, or black (IGNORED)
3083 3 player 2 name (not necessarily black)
3086 The names/ratings are sorted out when the game
3087 actually starts (below).
3089 strcpy(player1Name, StripHighlightAndTitle(star_match[0]));
3090 player1Rating = string_to_rating(star_match[1]);
3091 strcpy(player2Name, StripHighlightAndTitle(star_match[3]));
3092 player2Rating = string_to_rating(star_match[4]);
3094 if (appData.debugMode)
3096 "Ratings from 'Creating:' %s %d, %s %d\n",
3097 player1Name, player1Rating,
3098 player2Name, player2Rating);
3103 /* Improved generic start/end-of-game messages */
3104 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3105 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3106 /* If tkind == 0: */
3107 /* star_match[0] is the game number */
3108 /* [1] is the white player's name */
3109 /* [2] is the black player's name */
3110 /* For end-of-game: */
3111 /* [3] is the reason for the game end */
3112 /* [4] is a PGN end game-token, preceded by " " */
3113 /* For start-of-game: */
3114 /* [3] begins with "Creating" or "Continuing" */
3115 /* [4] is " *" or empty (don't care). */
3116 int gamenum = atoi(star_match[0]);
3117 char *whitename, *blackname, *why, *endtoken;
3118 ChessMove endtype = (ChessMove) 0;
3121 whitename = star_match[1];
3122 blackname = star_match[2];
3123 why = star_match[3];
3124 endtoken = star_match[4];
3126 whitename = star_match[1];
3127 blackname = star_match[3];
3128 why = star_match[5];
3129 endtoken = star_match[6];
3132 /* Game start messages */
3133 if (strncmp(why, "Creating ", 9) == 0 ||
3134 strncmp(why, "Continuing ", 11) == 0) {
3135 gs_gamenum = gamenum;
3136 strcpy(gs_kind, strchr(why, ' ') + 1);
3137 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3139 if (appData.zippyPlay) {
3140 ZippyGameStart(whitename, blackname);
3146 /* Game end messages */
3147 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3148 ics_gamenum != gamenum) {
3151 while (endtoken[0] == ' ') endtoken++;
3152 switch (endtoken[0]) {
3155 endtype = GameUnfinished;
3158 endtype = BlackWins;
3161 if (endtoken[1] == '/')
3162 endtype = GameIsDrawn;
3164 endtype = WhiteWins;
3167 GameEnds(endtype, why, GE_ICS);
3169 if (appData.zippyPlay && first.initDone) {
3170 ZippyGameEnd(endtype, why);
3171 if (first.pr == NULL) {
3172 /* Start the next process early so that we'll
3173 be ready for the next challenge */
3174 StartChessProgram(&first);
3176 /* Send "new" early, in case this command takes
3177 a long time to finish, so that we'll be ready
3178 for the next challenge. */
3179 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3186 if (looking_at(buf, &i, "Removing game * from observation") ||
3187 looking_at(buf, &i, "no longer observing game *") ||
3188 looking_at(buf, &i, "Game * (*) has no examiners")) {
3189 if (gameMode == IcsObserving &&
3190 atoi(star_match[0]) == ics_gamenum)
3192 /* icsEngineAnalyze */
3193 if (appData.icsEngineAnalyze) {
3200 ics_user_moved = FALSE;
3205 if (looking_at(buf, &i, "no longer examining game *")) {
3206 if (gameMode == IcsExamining &&
3207 atoi(star_match[0]) == ics_gamenum)
3211 ics_user_moved = FALSE;
3216 /* Advance leftover_start past any newlines we find,
3217 so only partial lines can get reparsed */
3218 if (looking_at(buf, &i, "\n")) {
3219 prevColor = curColor;
3220 if (curColor != ColorNormal) {
3221 if (oldi > next_out) {
3222 SendToPlayer(&buf[next_out], oldi - next_out);
3225 Colorize(ColorNormal, FALSE);
3226 curColor = ColorNormal;
3228 if (started == STARTED_BOARD) {
3229 started = STARTED_NONE;
3230 parse[parse_pos] = NULLCHAR;
3231 ParseBoard12(parse);
3234 /* Send premove here */
3235 if (appData.premove) {
3237 if (currentMove == 0 &&
3238 gameMode == IcsPlayingWhite &&
3239 appData.premoveWhite) {
3240 sprintf(str, "%s\n", appData.premoveWhiteText);
3241 if (appData.debugMode)
3242 fprintf(debugFP, "Sending premove:\n");
3244 } else if (currentMove == 1 &&
3245 gameMode == IcsPlayingBlack &&
3246 appData.premoveBlack) {
3247 sprintf(str, "%s\n", appData.premoveBlackText);
3248 if (appData.debugMode)
3249 fprintf(debugFP, "Sending premove:\n");
3251 } else if (gotPremove) {
3253 ClearPremoveHighlights();
3254 if (appData.debugMode)
3255 fprintf(debugFP, "Sending premove:\n");
3256 UserMoveEvent(premoveFromX, premoveFromY,
3257 premoveToX, premoveToY,
3262 /* Usually suppress following prompt */
3263 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3264 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3265 if (looking_at(buf, &i, "*% ")) {
3266 savingComment = FALSE;
3270 } else if (started == STARTED_HOLDINGS) {
3272 char new_piece[MSG_SIZ];
3273 started = STARTED_NONE;
3274 parse[parse_pos] = NULLCHAR;
3275 if (appData.debugMode)
3276 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
3277 parse, currentMove);
3278 if (sscanf(parse, " game %d", &gamenum) == 1 &&
3279 gamenum == ics_gamenum) {
3280 if (gameInfo.variant == VariantNormal) {
3281 /* [HGM] We seem to switch variant during a game!
3282 * Presumably no holdings were displayed, so we have
3283 * to move the position two files to the right to
3284 * create room for them!
3286 VariantClass newVariant;
3287 switch(gameInfo.boardWidth) { // base guess on board width
3288 case 9: newVariant = VariantShogi; break;
3289 case 10: newVariant = VariantGreat; break;
3290 default: newVariant = VariantCrazyhouse; break;
3292 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3293 /* Get a move list just to see the header, which
3294 will tell us whether this is really bug or zh */
3295 if (ics_getting_history == H_FALSE) {
3296 ics_getting_history = H_REQUESTED;
3297 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3301 new_piece[0] = NULLCHAR;
3302 sscanf(parse, "game %d white [%s black [%s <- %s",
3303 &gamenum, white_holding, black_holding,
3305 white_holding[strlen(white_holding)-1] = NULLCHAR;
3306 black_holding[strlen(black_holding)-1] = NULLCHAR;
3307 /* [HGM] copy holdings to board holdings area */
3308 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
3309 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
3310 boards[forwardMostMove][BOARD_SIZE-1][BOARD_SIZE-2] = 1; // flag holdings as set
3312 if (appData.zippyPlay && first.initDone) {
3313 ZippyHoldings(white_holding, black_holding,
3317 if (tinyLayout || smallLayout) {
3318 char wh[16], bh[16];
3319 PackHolding(wh, white_holding);
3320 PackHolding(bh, black_holding);
3321 sprintf(str, "[%s-%s] %s-%s", wh, bh,
3322 gameInfo.white, gameInfo.black);
3324 sprintf(str, "%s [%s] vs. %s [%s]",
3325 gameInfo.white, white_holding,
3326 gameInfo.black, black_holding);
3329 DrawPosition(FALSE, boards[currentMove]);
3332 /* Suppress following prompt */
3333 if (looking_at(buf, &i, "*% ")) {
3334 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
3335 savingComment = FALSE;
3342 i++; /* skip unparsed character and loop back */
3345 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz suppress printing in ICS interaction window
3346 started != STARTED_HOLDINGS && i > next_out) {
3347 SendToPlayer(&buf[next_out], i - next_out);
3350 suppressKibitz = FALSE; // [HGM] kibitz: has done its duty in if-statement above
3352 leftover_len = buf_len - leftover_start;
3353 /* if buffer ends with something we couldn't parse,
3354 reparse it after appending the next read */
3356 } else if (count == 0) {
3357 RemoveInputSource(isr);
3358 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
3360 DisplayFatalError(_("Error reading from ICS"), error, 1);
3365 /* Board style 12 looks like this:
3367 <12> r-b---k- pp----pp ---bP--- ---p---- q------- ------P- P--Q--BP -----R-K W -1 0 0 0 0 0 0 paf MaxII 0 2 12 21 25 234 174 24 Q/d7-a4 (0:06) Qxa4 0 0
3369 * The "<12> " is stripped before it gets to this routine. The two
3370 * trailing 0's (flip state and clock ticking) are later addition, and
3371 * some chess servers may not have them, or may have only the first.
3372 * Additional trailing fields may be added in the future.
3375 #define PATTERN "%c%d%d%d%d%d%d%d%s%s%d%d%d%d%d%d%d%d%s%s%s%d%d"
3377 #define RELATION_OBSERVING_PLAYED 0
3378 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
3379 #define RELATION_PLAYING_MYMOVE 1
3380 #define RELATION_PLAYING_NOTMYMOVE -1
3381 #define RELATION_EXAMINING 2
3382 #define RELATION_ISOLATED_BOARD -3
3383 #define RELATION_STARTING_POSITION -4 /* FICS only */
3386 ParseBoard12(string)
3389 GameMode newGameMode;
3390 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
3391 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
3392 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
3393 char to_play, board_chars[200];
3394 char move_str[500], str[500], elapsed_time[500];
3395 char black[32], white[32];
3397 int prevMove = currentMove;
3400 int fromX, fromY, toX, toY;
3402 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
3403 char *bookHit = NULL; // [HGM] book
3404 Boolean weird = FALSE, reqFlag = FALSE;
3406 fromX = fromY = toX = toY = -1;
3410 if (appData.debugMode)
3411 fprintf(debugFP, _("Parsing board: %s\n"), string);
3413 move_str[0] = NULLCHAR;
3414 elapsed_time[0] = NULLCHAR;
3415 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
3417 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
3418 if(string[i] == ' ') { ranks++; files = 0; }
3420 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
3423 for(j = 0; j <i; j++) board_chars[j] = string[j];
3424 board_chars[i] = '\0';
3427 n = sscanf(string, PATTERN, &to_play, &double_push,
3428 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
3429 &gamenum, white, black, &relation, &basetime, &increment,
3430 &white_stren, &black_stren, &white_time, &black_time,
3431 &moveNum, str, elapsed_time, move_str, &ics_flip,
3435 snprintf(str, sizeof(str), _("Failed to parse board string:\n\"%s\""), string);
3436 DisplayError(str, 0);
3440 /* Convert the move number to internal form */
3441 moveNum = (moveNum - 1) * 2;
3442 if (to_play == 'B') moveNum++;
3443 if (moveNum >= MAX_MOVES) {
3444 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
3450 case RELATION_OBSERVING_PLAYED:
3451 case RELATION_OBSERVING_STATIC:
3452 if (gamenum == -1) {
3453 /* Old ICC buglet */
3454 relation = RELATION_OBSERVING_STATIC;
3456 newGameMode = IcsObserving;
3458 case RELATION_PLAYING_MYMOVE:
3459 case RELATION_PLAYING_NOTMYMOVE:
3461 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
3462 IcsPlayingWhite : IcsPlayingBlack;
3464 case RELATION_EXAMINING:
3465 newGameMode = IcsExamining;
3467 case RELATION_ISOLATED_BOARD:
3469 /* Just display this board. If user was doing something else,
3470 we will forget about it until the next board comes. */
3471 newGameMode = IcsIdle;
3473 case RELATION_STARTING_POSITION:
3474 newGameMode = gameMode;
3478 /* Modify behavior for initial board display on move listing
3481 switch (ics_getting_history) {
3485 case H_GOT_REQ_HEADER:
3486 case H_GOT_UNREQ_HEADER:
3487 /* This is the initial position of the current game */
3488 gamenum = ics_gamenum;
3489 moveNum = 0; /* old ICS bug workaround */
3490 if (to_play == 'B') {
3491 startedFromSetupPosition = TRUE;
3492 blackPlaysFirst = TRUE;
3494 if (forwardMostMove == 0) forwardMostMove = 1;
3495 if (backwardMostMove == 0) backwardMostMove = 1;
3496 if (currentMove == 0) currentMove = 1;
3498 newGameMode = gameMode;
3499 relation = RELATION_STARTING_POSITION; /* ICC needs this */
3501 case H_GOT_UNWANTED_HEADER:
3502 /* This is an initial board that we don't want */
3504 case H_GETTING_MOVES:
3505 /* Should not happen */
3506 DisplayError(_("Error gathering move list: extra board"), 0);
3507 ics_getting_history = H_FALSE;
3511 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
3512 weird && (int)gameInfo.variant <= (int)VariantShogi) {
3513 /* [HGM] We seem to have switched variant unexpectedly
3514 * Try to guess new variant from board size
3516 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
3517 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
3518 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
3519 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
3520 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
3521 if(!weird) newVariant = VariantNormal;
3522 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3523 /* Get a move list just to see the header, which
3524 will tell us whether this is really bug or zh */
3525 if (ics_getting_history == H_FALSE) {
3526 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
3527 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3532 /* Take action if this is the first board of a new game, or of a
3533 different game than is currently being displayed. */
3534 if (gamenum != ics_gamenum || newGameMode != gameMode ||
3535 relation == RELATION_ISOLATED_BOARD) {
3537 /* Forget the old game and get the history (if any) of the new one */
3538 if (gameMode != BeginningOfGame) {
3542 if (appData.autoRaiseBoard) BoardToTop();
3544 if (gamenum == -1) {
3545 newGameMode = IcsIdle;
3546 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
3547 appData.getMoveList && !reqFlag) {
3548 /* Need to get game history */
3549 ics_getting_history = H_REQUESTED;
3550 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3554 /* Initially flip the board to have black on the bottom if playing
3555 black or if the ICS flip flag is set, but let the user change
3556 it with the Flip View button. */
3557 flipView = appData.autoFlipView ?
3558 (newGameMode == IcsPlayingBlack) || ics_flip :
3561 /* Done with values from previous mode; copy in new ones */
3562 gameMode = newGameMode;
3564 ics_gamenum = gamenum;
3565 if (gamenum == gs_gamenum) {
3566 int klen = strlen(gs_kind);
3567 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
3568 sprintf(str, "ICS %s", gs_kind);
3569 gameInfo.event = StrSave(str);
3571 gameInfo.event = StrSave("ICS game");
3573 gameInfo.site = StrSave(appData.icsHost);
3574 gameInfo.date = PGNDate();
3575 gameInfo.round = StrSave("-");
3576 gameInfo.white = StrSave(white);
3577 gameInfo.black = StrSave(black);
3578 timeControl = basetime * 60 * 1000;
3580 timeIncrement = increment * 1000;
3581 movesPerSession = 0;
3582 gameInfo.timeControl = TimeControlTagValue();
3583 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
3584 if (appData.debugMode) {
3585 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
3586 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
3587 setbuf(debugFP, NULL);
3590 gameInfo.outOfBook = NULL;
3592 /* Do we have the ratings? */
3593 if (strcmp(player1Name, white) == 0 &&
3594 strcmp(player2Name, black) == 0) {
3595 if (appData.debugMode)
3596 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
3597 player1Rating, player2Rating);
3598 gameInfo.whiteRating = player1Rating;
3599 gameInfo.blackRating = player2Rating;
3600 } else if (strcmp(player2Name, white) == 0 &&
3601 strcmp(player1Name, black) == 0) {
3602 if (appData.debugMode)
3603 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
3604 player2Rating, player1Rating);
3605 gameInfo.whiteRating = player2Rating;
3606 gameInfo.blackRating = player1Rating;
3608 player1Name[0] = player2Name[0] = NULLCHAR;
3610 /* Silence shouts if requested */
3611 if (appData.quietPlay &&
3612 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
3613 SendToICS(ics_prefix);
3614 SendToICS("set shout 0\n");
3618 /* Deal with midgame name changes */
3620 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
3621 if (gameInfo.white) free(gameInfo.white);
3622 gameInfo.white = StrSave(white);
3624 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
3625 if (gameInfo.black) free(gameInfo.black);
3626 gameInfo.black = StrSave(black);
3630 /* Throw away game result if anything actually changes in examine mode */
3631 if (gameMode == IcsExamining && !newGame) {
3632 gameInfo.result = GameUnfinished;
3633 if (gameInfo.resultDetails != NULL) {
3634 free(gameInfo.resultDetails);
3635 gameInfo.resultDetails = NULL;
3639 /* In pausing && IcsExamining mode, we ignore boards coming
3640 in if they are in a different variation than we are. */
3641 if (pauseExamInvalid) return;
3642 if (pausing && gameMode == IcsExamining) {
3643 if (moveNum <= pauseExamForwardMostMove) {
3644 pauseExamInvalid = TRUE;
3645 forwardMostMove = pauseExamForwardMostMove;
3650 if (appData.debugMode) {
3651 fprintf(debugFP, "load %dx%d board\n", files, ranks);
3653 /* Parse the board */
3654 for (k = 0; k < ranks; k++) {
3655 for (j = 0; j < files; j++)
3656 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
3657 if(gameInfo.holdingsWidth > 1) {
3658 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
3659 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
3662 CopyBoard(boards[moveNum], board);
3663 boards[moveNum][BOARD_SIZE-1][BOARD_SIZE-2] = 0; // [HGM] indicate holdings not set
3665 startedFromSetupPosition =
3666 !CompareBoards(board, initialPosition);
3667 if(startedFromSetupPosition)
3668 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
3671 /* [HGM] Set castling rights. Take the outermost Rooks,
3672 to make it also work for FRC opening positions. Note that board12
3673 is really defective for later FRC positions, as it has no way to
3674 indicate which Rook can castle if they are on the same side of King.
3675 For the initial position we grant rights to the outermost Rooks,
3676 and remember thos rights, and we then copy them on positions
3677 later in an FRC game. This means WB might not recognize castlings with
3678 Rooks that have moved back to their original position as illegal,
3679 but in ICS mode that is not its job anyway.
3681 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
3682 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
3684 for(i=BOARD_LEFT, j= -1; i<BOARD_RGHT; i++)
3685 if(board[0][i] == WhiteRook) j = i;
3686 initialRights[0] = castlingRights[moveNum][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? -1 : j);
3687 for(i=BOARD_RGHT-1, j= -1; i>=BOARD_LEFT; i--)
3688 if(board[0][i] == WhiteRook) j = i;
3689 initialRights[1] = castlingRights[moveNum][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? -1 : j);
3690 for(i=BOARD_LEFT, j= -1; i<BOARD_RGHT; i++)
3691 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
3692 initialRights[3] = castlingRights[moveNum][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? -1 : j);
3693 for(i=BOARD_RGHT-1, j= -1; i>=BOARD_LEFT; i--)
3694 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
3695 initialRights[4] = castlingRights[moveNum][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? -1 : j);
3697 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
3698 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
3699 if(board[0][k] == wKing) initialRights[2] = castlingRights[moveNum][2] = k;
3700 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
3701 if(board[BOARD_HEIGHT-1][k] == bKing)
3702 initialRights[5] = castlingRights[moveNum][5] = k;
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 == *toX && *fromY == *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, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
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) && fromY != DROP_RANK ){
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 ||
6928 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
6929 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
6930 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
6931 !WhiteOnMove(currentMove)
6934 curscore = -curscore;
6938 programStats.depth = plylev;
6939 programStats.nodes = nodes;
6940 programStats.time = time;
6941 programStats.score = curscore;
6942 programStats.got_only_move = 0;
6944 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
6947 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
6948 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
6949 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
6950 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
6951 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
6952 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
6953 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
6954 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
6957 /* Buffer overflow protection */
6958 if (buf1[0] != NULLCHAR) {
6959 if (strlen(buf1) >= sizeof(programStats.movelist)
6960 && appData.debugMode) {
6962 "PV is too long; using the first %u bytes.\n",
6963 (unsigned) sizeof(programStats.movelist) - 1);
6966 safeStrCpy( programStats.movelist, buf1, sizeof(programStats.movelist) );
6968 sprintf(programStats.movelist, " no PV\n");
6971 if (programStats.seen_stat) {
6972 programStats.ok_to_send = 1;
6975 if (strchr(programStats.movelist, '(') != NULL) {
6976 programStats.line_is_book = 1;
6977 programStats.nr_moves = 0;
6978 programStats.moves_left = 0;
6980 programStats.line_is_book = 0;
6983 SendProgramStatsToFrontend( cps, &programStats );
6986 [AS] Protect the thinkOutput buffer from overflow... this
6987 is only useful if buf1 hasn't overflowed first!
6989 sprintf(thinkOutput, "[%d]%c%+.2f %s%s",
6991 (gameMode == TwoMachinesPlay ?
6992 ToUpper(cps->twoMachinesColor[0]) : ' '),
6993 ((double) curscore) / 100.0,
6994 prefixHint ? lastHint : "",
6995 prefixHint ? " " : "" );
6997 if( buf1[0] != NULLCHAR ) {
6998 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
7000 if( strlen(buf1) > max_len ) {
7001 if( appData.debugMode) {
7002 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
7004 buf1[max_len+1] = '\0';
7007 strcat( thinkOutput, buf1 );
7010 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
7011 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7012 DisplayMove(currentMove - 1);
7016 } else if ((p=StrStr(message, "(only move)")) != NULL) {
7017 /* crafty (9.25+) says "(only move) <move>"
7018 * if there is only 1 legal move
7020 sscanf(p, "(only move) %s", buf1);
7021 sprintf(thinkOutput, "%s (only move)", buf1);
7022 sprintf(programStats.movelist, "%s (only move)", buf1);
7023 programStats.depth = 1;
7024 programStats.nr_moves = 1;
7025 programStats.moves_left = 1;
7026 programStats.nodes = 1;
7027 programStats.time = 1;
7028 programStats.got_only_move = 1;
7030 /* Not really, but we also use this member to
7031 mean "line isn't going to change" (Crafty
7032 isn't searching, so stats won't change) */
7033 programStats.line_is_book = 1;
7035 SendProgramStatsToFrontend( cps, &programStats );
7037 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
7038 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7039 DisplayMove(currentMove - 1);
7042 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
7043 &time, &nodes, &plylev, &mvleft,
7044 &mvtot, mvname) >= 5) {
7045 /* The stat01: line is from Crafty (9.29+) in response
7046 to the "." command */
7047 programStats.seen_stat = 1;
7048 cps->maybeThinking = TRUE;
7050 if (programStats.got_only_move || !appData.periodicUpdates)
7053 programStats.depth = plylev;
7054 programStats.time = time;
7055 programStats.nodes = nodes;
7056 programStats.moves_left = mvleft;
7057 programStats.nr_moves = mvtot;
7058 strcpy(programStats.move_name, mvname);
7059 programStats.ok_to_send = 1;
7060 programStats.movelist[0] = '\0';
7062 SendProgramStatsToFrontend( cps, &programStats );
7066 } else if (strncmp(message,"++",2) == 0) {
7067 /* Crafty 9.29+ outputs this */
7068 programStats.got_fail = 2;
7071 } else if (strncmp(message,"--",2) == 0) {
7072 /* Crafty 9.29+ outputs this */
7073 programStats.got_fail = 1;
7076 } else if (thinkOutput[0] != NULLCHAR &&
7077 strncmp(message, " ", 4) == 0) {
7078 unsigned message_len;
7081 while (*p && *p == ' ') p++;
7083 message_len = strlen( p );
7085 /* [AS] Avoid buffer overflow */
7086 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
7087 strcat(thinkOutput, " ");
7088 strcat(thinkOutput, p);
7091 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
7092 strcat(programStats.movelist, " ");
7093 strcat(programStats.movelist, p);
7096 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
7097 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7098 DisplayMove(currentMove - 1);
7106 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7107 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
7109 ChessProgramStats cpstats;
7111 if (plyext != ' ' && plyext != '\t') {
7115 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7116 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
7117 curscore = -curscore;
7120 cpstats.depth = plylev;
7121 cpstats.nodes = nodes;
7122 cpstats.time = time;
7123 cpstats.score = curscore;
7124 cpstats.got_only_move = 0;
7125 cpstats.movelist[0] = '\0';
7127 if (buf1[0] != NULLCHAR) {
7128 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist) );
7131 cpstats.ok_to_send = 0;
7132 cpstats.line_is_book = 0;
7133 cpstats.nr_moves = 0;
7134 cpstats.moves_left = 0;
7136 SendProgramStatsToFrontend( cps, &cpstats );
7143 /* Parse a game score from the character string "game", and
7144 record it as the history of the current game. The game
7145 score is NOT assumed to start from the standard position.
7146 The display is not updated in any way.
7149 ParseGameHistory(game)
7153 int fromX, fromY, toX, toY, boardIndex;
7158 if (appData.debugMode)
7159 fprintf(debugFP, "Parsing game history: %s\n", game);
7161 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
7162 gameInfo.site = StrSave(appData.icsHost);
7163 gameInfo.date = PGNDate();
7164 gameInfo.round = StrSave("-");
7166 /* Parse out names of players */
7167 while (*game == ' ') game++;
7169 while (*game != ' ') *p++ = *game++;
7171 gameInfo.white = StrSave(buf);
7172 while (*game == ' ') game++;
7174 while (*game != ' ' && *game != '\n') *p++ = *game++;
7176 gameInfo.black = StrSave(buf);
7179 boardIndex = blackPlaysFirst ? 1 : 0;
7182 yyboardindex = boardIndex;
7183 moveType = (ChessMove) yylex();
7185 case IllegalMove: /* maybe suicide chess, etc. */
7186 if (appData.debugMode) {
7187 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
7188 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
7189 setbuf(debugFP, NULL);
7191 case WhitePromotionChancellor:
7192 case BlackPromotionChancellor:
7193 case WhitePromotionArchbishop:
7194 case BlackPromotionArchbishop:
7195 case WhitePromotionQueen:
7196 case BlackPromotionQueen:
7197 case WhitePromotionRook:
7198 case BlackPromotionRook:
7199 case WhitePromotionBishop:
7200 case BlackPromotionBishop:
7201 case WhitePromotionKnight:
7202 case BlackPromotionKnight:
7203 case WhitePromotionKing:
7204 case BlackPromotionKing:
7206 case WhiteCapturesEnPassant:
7207 case BlackCapturesEnPassant:
7208 case WhiteKingSideCastle:
7209 case WhiteQueenSideCastle:
7210 case BlackKingSideCastle:
7211 case BlackQueenSideCastle:
7212 case WhiteKingSideCastleWild:
7213 case WhiteQueenSideCastleWild:
7214 case BlackKingSideCastleWild:
7215 case BlackQueenSideCastleWild:
7217 case WhiteHSideCastleFR:
7218 case WhiteASideCastleFR:
7219 case BlackHSideCastleFR:
7220 case BlackASideCastleFR:
7222 fromX = currentMoveString[0] - AAA;
7223 fromY = currentMoveString[1] - ONE;
7224 toX = currentMoveString[2] - AAA;
7225 toY = currentMoveString[3] - ONE;
7226 promoChar = currentMoveString[4];
7230 fromX = moveType == WhiteDrop ?
7231 (int) CharToPiece(ToUpper(currentMoveString[0])) :
7232 (int) CharToPiece(ToLower(currentMoveString[0]));
7234 toX = currentMoveString[2] - AAA;
7235 toY = currentMoveString[3] - ONE;
7236 promoChar = NULLCHAR;
7240 sprintf(buf, _("Ambiguous move in ICS output: \"%s\""), yy_text);
7241 if (appData.debugMode) {
7242 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
7243 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
7244 setbuf(debugFP, NULL);
7246 DisplayError(buf, 0);
7248 case ImpossibleMove:
7250 sprintf(buf, _("Illegal move in ICS output: \"%s\""), yy_text);
7251 if (appData.debugMode) {
7252 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
7253 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
7254 setbuf(debugFP, NULL);
7256 DisplayError(buf, 0);
7258 case (ChessMove) 0: /* end of file */
7259 if (boardIndex < backwardMostMove) {
7260 /* Oops, gap. How did that happen? */
7261 DisplayError(_("Gap in move list"), 0);
7264 backwardMostMove = blackPlaysFirst ? 1 : 0;
7265 if (boardIndex > forwardMostMove) {
7266 forwardMostMove = boardIndex;
7270 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
7271 strcat(parseList[boardIndex-1], " ");
7272 strcat(parseList[boardIndex-1], yy_text);
7284 case GameUnfinished:
7285 if (gameMode == IcsExamining) {
7286 if (boardIndex < backwardMostMove) {
7287 /* Oops, gap. How did that happen? */
7290 backwardMostMove = blackPlaysFirst ? 1 : 0;
7293 gameInfo.result = moveType;
7294 p = strchr(yy_text, '{');
7295 if (p == NULL) p = strchr(yy_text, '(');
7298 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
7300 q = strchr(p, *p == '{' ? '}' : ')');
7301 if (q != NULL) *q = NULLCHAR;
7304 gameInfo.resultDetails = StrSave(p);
7307 if (boardIndex >= forwardMostMove &&
7308 !(gameMode == IcsObserving && ics_gamenum == -1)) {
7309 backwardMostMove = blackPlaysFirst ? 1 : 0;
7312 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
7313 EP_UNKNOWN, fromY, fromX, toY, toX, promoChar,
7314 parseList[boardIndex]);
7315 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
7316 {int i; for(i=0; i<BOARD_SIZE; i++) castlingRights[boardIndex+1][i] = castlingRights[boardIndex][i];}
7317 /* currentMoveString is set as a side-effect of yylex */
7318 strcpy(moveList[boardIndex], currentMoveString);
7319 strcat(moveList[boardIndex], "\n");
7321 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex],
7322 castlingRights[boardIndex], &epStatus[boardIndex]);
7323 switch (MateTest(boards[boardIndex], PosFlags(boardIndex),
7324 EP_UNKNOWN, castlingRights[boardIndex]) ) {
7330 if(gameInfo.variant != VariantShogi)
7331 strcat(parseList[boardIndex - 1], "+");
7335 strcat(parseList[boardIndex - 1], "#");
7342 /* Apply a move to the given board */
7344 ApplyMove(fromX, fromY, toX, toY, promoChar, board, castling, ep)
7345 int fromX, fromY, toX, toY;
7351 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
7353 /* [HGM] compute & store e.p. status and castling rights for new position */
7354 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
7357 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
7361 if( board[toY][toX] != EmptySquare )
7364 if( board[fromY][fromX] == WhitePawn ) {
7365 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
7368 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
7369 gameInfo.variant != VariantBerolina || toX < fromX)
7370 *ep = toX | berolina;
7371 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
7372 gameInfo.variant != VariantBerolina || toX > fromX)
7376 if( board[fromY][fromX] == BlackPawn ) {
7377 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
7379 if( toY-fromY== -2) {
7380 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
7381 gameInfo.variant != VariantBerolina || toX < fromX)
7382 *ep = toX | berolina;
7383 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
7384 gameInfo.variant != VariantBerolina || toX > fromX)
7389 for(i=0; i<nrCastlingRights; i++) {
7390 if(castling[i] == fromX && castlingRank[i] == fromY ||
7391 castling[i] == toX && castlingRank[i] == toY
7392 ) castling[i] = -1; // revoke for moved or captured piece
7397 /* [HGM] In Shatranj and Courier all promotions are to Ferz */
7398 if((gameInfo.variant==VariantShatranj || gameInfo.variant==VariantCourier)
7399 && promoChar != 0) promoChar = PieceToChar(WhiteFerz);
7401 if (fromX == toX && fromY == toY) return;
7403 if (fromY == DROP_RANK) {
7405 piece = board[toY][toX] = (ChessSquare) fromX;
7407 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
7408 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
7409 if(gameInfo.variant == VariantKnightmate)
7410 king += (int) WhiteUnicorn - (int) WhiteKing;
7412 /* Code added by Tord: */
7413 /* FRC castling assumed when king captures friendly rook. */
7414 if (board[fromY][fromX] == WhiteKing &&
7415 board[toY][toX] == WhiteRook) {
7416 board[fromY][fromX] = EmptySquare;
7417 board[toY][toX] = EmptySquare;
7419 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
7421 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
7423 } else if (board[fromY][fromX] == BlackKing &&
7424 board[toY][toX] == BlackRook) {
7425 board[fromY][fromX] = EmptySquare;
7426 board[toY][toX] = EmptySquare;
7428 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
7430 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
7432 /* End of code added by Tord */
7434 } else if (board[fromY][fromX] == king
7435 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
7436 && toY == fromY && toX > fromX+1) {
7437 board[fromY][fromX] = EmptySquare;
7438 board[toY][toX] = king;
7439 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
7440 board[fromY][BOARD_RGHT-1] = EmptySquare;
7441 } else if (board[fromY][fromX] == king
7442 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
7443 && toY == fromY && toX < fromX-1) {
7444 board[fromY][fromX] = EmptySquare;
7445 board[toY][toX] = king;
7446 board[toY][toX+1] = board[fromY][BOARD_LEFT];
7447 board[fromY][BOARD_LEFT] = EmptySquare;
7448 } else if (board[fromY][fromX] == WhitePawn
7449 && toY == BOARD_HEIGHT-1
7450 && gameInfo.variant != VariantXiangqi
7452 /* white pawn promotion */
7453 board[toY][toX] = CharToPiece(ToUpper(promoChar));
7454 if (board[toY][toX] == EmptySquare) {
7455 board[toY][toX] = WhiteQueen;
7457 if(gameInfo.variant==VariantBughouse ||
7458 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
7459 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
7460 board[fromY][fromX] = EmptySquare;
7461 } else if ((fromY == BOARD_HEIGHT-4)
7463 && gameInfo.variant != VariantXiangqi
7464 && gameInfo.variant != VariantBerolina
7465 && (board[fromY][fromX] == WhitePawn)
7466 && (board[toY][toX] == EmptySquare)) {
7467 board[fromY][fromX] = EmptySquare;
7468 board[toY][toX] = WhitePawn;
7469 captured = board[toY - 1][toX];
7470 board[toY - 1][toX] = EmptySquare;
7471 } else if ((fromY == BOARD_HEIGHT-4)
7473 && gameInfo.variant == VariantBerolina
7474 && (board[fromY][fromX] == WhitePawn)
7475 && (board[toY][toX] == EmptySquare)) {
7476 board[fromY][fromX] = EmptySquare;
7477 board[toY][toX] = WhitePawn;
7478 if(oldEP & EP_BEROLIN_A) {
7479 captured = board[fromY][fromX-1];
7480 board[fromY][fromX-1] = EmptySquare;
7481 }else{ captured = board[fromY][fromX+1];
7482 board[fromY][fromX+1] = EmptySquare;
7484 } else if (board[fromY][fromX] == king
7485 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
7486 && toY == fromY && toX > fromX+1) {
7487 board[fromY][fromX] = EmptySquare;
7488 board[toY][toX] = king;
7489 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
7490 board[fromY][BOARD_RGHT-1] = EmptySquare;
7491 } else if (board[fromY][fromX] == king
7492 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
7493 && toY == fromY && toX < fromX-1) {
7494 board[fromY][fromX] = EmptySquare;
7495 board[toY][toX] = king;
7496 board[toY][toX+1] = board[fromY][BOARD_LEFT];
7497 board[fromY][BOARD_LEFT] = EmptySquare;
7498 } else if (fromY == 7 && fromX == 3
7499 && board[fromY][fromX] == BlackKing
7500 && toY == 7 && toX == 5) {
7501 board[fromY][fromX] = EmptySquare;
7502 board[toY][toX] = BlackKing;
7503 board[fromY][7] = EmptySquare;
7504 board[toY][4] = BlackRook;
7505 } else if (fromY == 7 && fromX == 3
7506 && board[fromY][fromX] == BlackKing
7507 && toY == 7 && toX == 1) {
7508 board[fromY][fromX] = EmptySquare;
7509 board[toY][toX] = BlackKing;
7510 board[fromY][0] = EmptySquare;
7511 board[toY][2] = BlackRook;
7512 } else if (board[fromY][fromX] == BlackPawn
7514 && gameInfo.variant != VariantXiangqi
7516 /* black pawn promotion */
7517 board[0][toX] = CharToPiece(ToLower(promoChar));
7518 if (board[0][toX] == EmptySquare) {
7519 board[0][toX] = BlackQueen;
7521 if(gameInfo.variant==VariantBughouse ||
7522 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
7523 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
7524 board[fromY][fromX] = EmptySquare;
7525 } else if ((fromY == 3)
7527 && gameInfo.variant != VariantXiangqi
7528 && gameInfo.variant != VariantBerolina
7529 && (board[fromY][fromX] == BlackPawn)
7530 && (board[toY][toX] == EmptySquare)) {
7531 board[fromY][fromX] = EmptySquare;
7532 board[toY][toX] = BlackPawn;
7533 captured = board[toY + 1][toX];
7534 board[toY + 1][toX] = EmptySquare;
7535 } else if ((fromY == 3)
7537 && gameInfo.variant == VariantBerolina
7538 && (board[fromY][fromX] == BlackPawn)
7539 && (board[toY][toX] == EmptySquare)) {
7540 board[fromY][fromX] = EmptySquare;
7541 board[toY][toX] = BlackPawn;
7542 if(oldEP & EP_BEROLIN_A) {
7543 captured = board[fromY][fromX-1];
7544 board[fromY][fromX-1] = EmptySquare;
7545 }else{ captured = board[fromY][fromX+1];
7546 board[fromY][fromX+1] = EmptySquare;
7549 board[toY][toX] = board[fromY][fromX];
7550 board[fromY][fromX] = EmptySquare;
7553 /* [HGM] now we promote for Shogi, if needed */
7554 if(gameInfo.variant == VariantShogi && promoChar == 'q')
7555 board[toY][toX] = (ChessSquare) (PROMOTED piece);
7558 if (gameInfo.holdingsWidth != 0) {
7560 /* !!A lot more code needs to be written to support holdings */
7561 /* [HGM] OK, so I have written it. Holdings are stored in the */
7562 /* penultimate board files, so they are automaticlly stored */
7563 /* in the game history. */
7564 if (fromY == DROP_RANK) {
7565 /* Delete from holdings, by decreasing count */
7566 /* and erasing image if necessary */
7568 if(p < (int) BlackPawn) { /* white drop */
7569 p -= (int)WhitePawn;
7570 p = PieceToNumber((ChessSquare)p);
7571 if(p >= gameInfo.holdingsSize) p = 0;
7572 if(--board[p][BOARD_WIDTH-2] <= 0)
7573 board[p][BOARD_WIDTH-1] = EmptySquare;
7574 if((int)board[p][BOARD_WIDTH-2] < 0)
7575 board[p][BOARD_WIDTH-2] = 0;
7576 } else { /* black drop */
7577 p -= (int)BlackPawn;
7578 p = PieceToNumber((ChessSquare)p);
7579 if(p >= gameInfo.holdingsSize) p = 0;
7580 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
7581 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
7582 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
7583 board[BOARD_HEIGHT-1-p][1] = 0;
7586 if (captured != EmptySquare && gameInfo.holdingsSize > 0
7587 && gameInfo.variant != VariantBughouse ) {
7588 /* [HGM] holdings: Add to holdings, if holdings exist */
7589 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
7590 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
7591 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
7594 if (p >= (int) BlackPawn) {
7595 p -= (int)BlackPawn;
7596 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
7597 /* in Shogi restore piece to its original first */
7598 captured = (ChessSquare) (DEMOTED captured);
7601 p = PieceToNumber((ChessSquare)p);
7602 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
7603 board[p][BOARD_WIDTH-2]++;
7604 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
7606 p -= (int)WhitePawn;
7607 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
7608 captured = (ChessSquare) (DEMOTED captured);
7611 p = PieceToNumber((ChessSquare)p);
7612 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
7613 board[BOARD_HEIGHT-1-p][1]++;
7614 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
7617 } else if (gameInfo.variant == VariantAtomic) {
7618 if (captured != EmptySquare) {
7620 for (y = toY-1; y <= toY+1; y++) {
7621 for (x = toX-1; x <= toX+1; x++) {
7622 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
7623 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
7624 board[y][x] = EmptySquare;
7628 board[toY][toX] = EmptySquare;
7631 if(gameInfo.variant == VariantShogi && promoChar != NULLCHAR && promoChar != '=') {
7632 /* [HGM] Shogi promotions */
7633 board[toY][toX] = (ChessSquare) (PROMOTED piece);
7636 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
7637 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
7638 // [HGM] superchess: take promotion piece out of holdings
7639 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
7640 if((int)piece < (int)BlackPawn) { // determine stm from piece color
7641 if(!--board[k][BOARD_WIDTH-2])
7642 board[k][BOARD_WIDTH-1] = EmptySquare;
7644 if(!--board[BOARD_HEIGHT-1-k][1])
7645 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
7651 /* Updates forwardMostMove */
7653 MakeMove(fromX, fromY, toX, toY, promoChar)
7654 int fromX, fromY, toX, toY;
7657 // forwardMostMove++; // [HGM] bare: moved downstream
7659 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
7660 int timeLeft; static int lastLoadFlag=0; int king, piece;
7661 piece = boards[forwardMostMove][fromY][fromX];
7662 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
7663 if(gameInfo.variant == VariantKnightmate)
7664 king += (int) WhiteUnicorn - (int) WhiteKing;
7665 if(forwardMostMove == 0) {
7667 fprintf(serverMoves, "%s;", second.tidy);
7668 fprintf(serverMoves, "%s;", first.tidy);
7669 if(!blackPlaysFirst)
7670 fprintf(serverMoves, "%s;", second.tidy);
7671 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
7672 lastLoadFlag = loadFlag;
7674 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
7675 // print castling suffix
7676 if( toY == fromY && piece == king ) {
7678 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
7680 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
7683 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
7684 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
7685 boards[forwardMostMove][toY][toX] == EmptySquare
7687 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
7689 if(promoChar != NULLCHAR)
7690 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
7692 fprintf(serverMoves, "/%d/%d",
7693 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
7694 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
7695 else timeLeft = blackTimeRemaining/1000;
7696 fprintf(serverMoves, "/%d", timeLeft);
7698 fflush(serverMoves);
7701 if (forwardMostMove+1 >= MAX_MOVES) {
7702 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
7706 if (commentList[forwardMostMove+1] != NULL) {
7707 free(commentList[forwardMostMove+1]);
7708 commentList[forwardMostMove+1] = NULL;
7710 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7711 {int i; for(i=0; i<BOARD_SIZE; i++) castlingRights[forwardMostMove+1][i] = castlingRights[forwardMostMove][i];}
7712 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1],
7713 castlingRights[forwardMostMove+1], &epStatus[forwardMostMove+1]);
7714 forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
7715 SwitchClocks(); // uses forwardMostMove, so must be done after incrementing it !
7716 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
7717 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
7718 gameInfo.result = GameUnfinished;
7719 if (gameInfo.resultDetails != NULL) {
7720 free(gameInfo.resultDetails);
7721 gameInfo.resultDetails = NULL;
7723 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
7724 moveList[forwardMostMove - 1]);
7725 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
7726 PosFlags(forwardMostMove - 1), EP_UNKNOWN,
7727 fromY, fromX, toY, toX, promoChar,
7728 parseList[forwardMostMove - 1]);
7729 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7730 epStatus[forwardMostMove], /* [HGM] use true e.p. */
7731 castlingRights[forwardMostMove]) ) {
7737 if(gameInfo.variant != VariantShogi)
7738 strcat(parseList[forwardMostMove - 1], "+");
7742 strcat(parseList[forwardMostMove - 1], "#");
7745 if (appData.debugMode) {
7746 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
7751 /* Updates currentMove if not pausing */
7753 ShowMove(fromX, fromY, toX, toY)
7755 int instant = (gameMode == PlayFromGameFile) ?
7756 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
7757 if(appData.noGUI) return;
7758 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
7760 if (forwardMostMove == currentMove + 1) {
7761 AnimateMove(boards[forwardMostMove - 1],
7762 fromX, fromY, toX, toY);
7764 if (appData.highlightLastMove) {
7765 SetHighlights(fromX, fromY, toX, toY);
7768 currentMove = forwardMostMove;
7771 if (instant) return;
7773 DisplayMove(currentMove - 1);
7774 DrawPosition(FALSE, boards[currentMove]);
7775 DisplayBothClocks();
7776 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
7779 void SendEgtPath(ChessProgramState *cps)
7780 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
7781 char buf[MSG_SIZ], name[MSG_SIZ], *p;
7783 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
7786 char c, *q = name+1, *r, *s;
7788 name[0] = ','; // extract next format name from feature and copy with prefixed ','
7789 while(*p && *p != ',') *q++ = *p++;
7791 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
7792 strcmp(name, ",nalimov:") == 0 ) {
7793 // take nalimov path from the menu-changeable option first, if it is defined
7794 sprintf(buf, "egtpath nalimov %s\n", appData.defaultPathEGTB);
7795 SendToProgram(buf,cps); // send egtbpath command for nalimov
7797 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
7798 (s = StrStr(appData.egtFormats, name)) != NULL) {
7799 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
7800 s = r = StrStr(s, ":") + 1; // beginning of path info
7801 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
7802 c = *r; *r = 0; // temporarily null-terminate path info
7803 *--q = 0; // strip of trailig ':' from name
7804 sprintf(buf, "egtpath %s %s\n", name+1, s);
7806 SendToProgram(buf,cps); // send egtbpath command for this format
7808 if(*p == ',') p++; // read away comma to position for next format name
7813 InitChessProgram(cps, setup)
7814 ChessProgramState *cps;
7815 int setup; /* [HGM] needed to setup FRC opening position */
7817 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
7818 if (appData.noChessProgram) return;
7819 hintRequested = FALSE;
7820 bookRequested = FALSE;
7822 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
7823 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
7824 if(cps->memSize) { /* [HGM] memory */
7825 sprintf(buf, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
7826 SendToProgram(buf, cps);
7828 SendEgtPath(cps); /* [HGM] EGT */
7829 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
7830 sprintf(buf, "cores %d\n", appData.smpCores);
7831 SendToProgram(buf, cps);
7834 SendToProgram(cps->initString, cps);
7835 if (gameInfo.variant != VariantNormal &&
7836 gameInfo.variant != VariantLoadable
7837 /* [HGM] also send variant if board size non-standard */
7838 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
7840 char *v = VariantName(gameInfo.variant);
7841 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
7842 /* [HGM] in protocol 1 we have to assume all variants valid */
7843 sprintf(buf, _("Variant %s not supported by %s"), v, cps->tidy);
7844 DisplayFatalError(buf, 0, 1);
7848 /* [HGM] make prefix for non-standard board size. Awkward testing... */
7849 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
7850 if( gameInfo.variant == VariantXiangqi )
7851 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
7852 if( gameInfo.variant == VariantShogi )
7853 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
7854 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
7855 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
7856 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
7857 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
7858 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
7859 if( gameInfo.variant == VariantCourier )
7860 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
7861 if( gameInfo.variant == VariantSuper )
7862 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
7863 if( gameInfo.variant == VariantGreat )
7864 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
7867 sprintf(b, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
7868 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
7869 /* [HGM] varsize: try first if this defiant size variant is specifically known */
7870 if(StrStr(cps->variants, b) == NULL) {
7871 // specific sized variant not known, check if general sizing allowed
7872 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
7873 if(StrStr(cps->variants, "boardsize") == NULL) {
7874 sprintf(buf, "Board size %dx%d+%d not supported by %s",
7875 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
7876 DisplayFatalError(buf, 0, 1);
7879 /* [HGM] here we really should compare with the maximum supported board size */
7882 } else sprintf(b, "%s", VariantName(gameInfo.variant));
7883 sprintf(buf, "variant %s\n", b);
7884 SendToProgram(buf, cps);
7886 currentlyInitializedVariant = gameInfo.variant;
7888 /* [HGM] send opening position in FRC to first engine */
7890 SendToProgram("force\n", cps);
7892 /* engine is now in force mode! Set flag to wake it up after first move. */
7893 setboardSpoiledMachineBlack = 1;
7897 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
7898 SendToProgram(buf, cps);
7900 cps->maybeThinking = FALSE;
7901 cps->offeredDraw = 0;
7902 if (!appData.icsActive) {
7903 SendTimeControl(cps, movesPerSession, timeControl,
7904 timeIncrement, appData.searchDepth,
7907 if (appData.showThinking
7908 // [HGM] thinking: four options require thinking output to be sent
7909 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7911 SendToProgram("post\n", cps);
7913 SendToProgram("hard\n", cps);
7914 if (!appData.ponderNextMove) {
7915 /* Warning: "easy" is a toggle in GNU Chess, so don't send
7916 it without being sure what state we are in first. "hard"
7917 is not a toggle, so that one is OK.
7919 SendToProgram("easy\n", cps);
7922 sprintf(buf, "ping %d\n", ++cps->lastPing);
7923 SendToProgram(buf, cps);
7925 cps->initDone = TRUE;
7930 StartChessProgram(cps)
7931 ChessProgramState *cps;
7936 if (appData.noChessProgram) return;
7937 cps->initDone = FALSE;
7939 if (strcmp(cps->host, "localhost") == 0) {
7940 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
7941 } else if (*appData.remoteShell == NULLCHAR) {
7942 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
7944 if (*appData.remoteUser == NULLCHAR) {
7945 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
7948 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
7949 cps->host, appData.remoteUser, cps->program);
7951 err = StartChildProcess(buf, "", &cps->pr);
7955 sprintf(buf, _("Startup failure on '%s'"), cps->program);
7956 DisplayFatalError(buf, err, 1);
7962 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
7963 if (cps->protocolVersion > 1) {
7964 sprintf(buf, "xboard\nprotover %d\n", cps->protocolVersion);
7965 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
7966 cps->comboCnt = 0; // and values of combo boxes
7967 SendToProgram(buf, cps);
7969 SendToProgram("xboard\n", cps);
7975 TwoMachinesEventIfReady P((void))
7977 if (first.lastPing != first.lastPong) {
7978 DisplayMessage("", _("Waiting for first chess program"));
7979 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
7982 if (second.lastPing != second.lastPong) {
7983 DisplayMessage("", _("Waiting for second chess program"));
7984 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
7992 NextMatchGame P((void))
7994 int index; /* [HGM] autoinc: step load index during match */
7996 if (*appData.loadGameFile != NULLCHAR) {
7997 index = appData.loadGameIndex;
7998 if(index < 0) { // [HGM] autoinc
7999 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8000 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8002 LoadGameFromFile(appData.loadGameFile,
8004 appData.loadGameFile, FALSE);
8005 } else if (*appData.loadPositionFile != NULLCHAR) {
8006 index = appData.loadPositionIndex;
8007 if(index < 0) { // [HGM] autoinc
8008 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8009 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8011 LoadPositionFromFile(appData.loadPositionFile,
8013 appData.loadPositionFile);
8015 TwoMachinesEventIfReady();
8018 void UserAdjudicationEvent( int result )
8020 ChessMove gameResult = GameIsDrawn;
8023 gameResult = WhiteWins;
8025 else if( result < 0 ) {
8026 gameResult = BlackWins;
8029 if( gameMode == TwoMachinesPlay ) {
8030 GameEnds( gameResult, "User adjudication", GE_XBOARD );
8035 // [HGM] save: calculate checksum of game to make games easily identifiable
8036 int StringCheckSum(char *s)
8039 if(s==NULL) return 0;
8040 while(*s) i = i*259 + *s++;
8047 for(i=backwardMostMove; i<forwardMostMove; i++) {
8048 sum += pvInfoList[i].depth;
8049 sum += StringCheckSum(parseList[i]);
8050 sum += StringCheckSum(commentList[i]);
8053 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
8054 return sum + StringCheckSum(commentList[i]);
8055 } // end of save patch
8058 GameEnds(result, resultDetails, whosays)
8060 char *resultDetails;
8063 GameMode nextGameMode;
8067 if(endingGame) return; /* [HGM] crash: forbid recursion */
8070 if (appData.debugMode) {
8071 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
8072 result, resultDetails ? resultDetails : "(null)", whosays);
8075 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
8076 /* If we are playing on ICS, the server decides when the
8077 game is over, but the engine can offer to draw, claim
8081 if (appData.zippyPlay && first.initDone) {
8082 if (result == GameIsDrawn) {
8083 /* In case draw still needs to be claimed */
8084 SendToICS(ics_prefix);
8085 SendToICS("draw\n");
8086 } else if (StrCaseStr(resultDetails, "resign")) {
8087 SendToICS(ics_prefix);
8088 SendToICS("resign\n");
8092 endingGame = 0; /* [HGM] crash */
8096 /* If we're loading the game from a file, stop */
8097 if (whosays == GE_FILE) {
8098 (void) StopLoadGameTimer();
8102 /* Cancel draw offers */
8103 first.offeredDraw = second.offeredDraw = 0;
8105 /* If this is an ICS game, only ICS can really say it's done;
8106 if not, anyone can. */
8107 isIcsGame = (gameMode == IcsPlayingWhite ||
8108 gameMode == IcsPlayingBlack ||
8109 gameMode == IcsObserving ||
8110 gameMode == IcsExamining);
8112 if (!isIcsGame || whosays == GE_ICS) {
8113 /* OK -- not an ICS game, or ICS said it was done */
8115 if (!isIcsGame && !appData.noChessProgram)
8116 SetUserThinkingEnables();
8118 /* [HGM] if a machine claims the game end we verify this claim */
8119 if(gameMode == TwoMachinesPlay && appData.testClaims) {
8120 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
8122 ChessMove trueResult = (ChessMove) -1;
8124 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
8125 first.twoMachinesColor[0] :
8126 second.twoMachinesColor[0] ;
8128 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
8129 if(epStatus[forwardMostMove] == EP_CHECKMATE) {
8130 /* [HGM] verify: engine mate claims accepted if they were flagged */
8131 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
8133 if(epStatus[forwardMostMove] == EP_WINS) { // added code for games where being mated is a win
8134 /* [HGM] verify: engine mate claims accepted if they were flagged */
8135 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8137 if(epStatus[forwardMostMove] == EP_STALEMATE) { // only used to indicate draws now
8138 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
8141 // now verify win claims, but not in drop games, as we don't understand those yet
8142 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
8143 || gameInfo.variant == VariantGreat) &&
8144 (result == WhiteWins && claimer == 'w' ||
8145 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
8146 if (appData.debugMode) {
8147 fprintf(debugFP, "result=%d sp=%d move=%d\n",
8148 result, epStatus[forwardMostMove], forwardMostMove);
8150 if(result != trueResult) {
8151 sprintf(buf, "False win claim: '%s'", resultDetails);
8152 result = claimer == 'w' ? BlackWins : WhiteWins;
8153 resultDetails = buf;
8156 if( result == GameIsDrawn && epStatus[forwardMostMove] > EP_DRAWS
8157 && (forwardMostMove <= backwardMostMove ||
8158 epStatus[forwardMostMove-1] > EP_DRAWS ||
8159 (claimer=='b')==(forwardMostMove&1))
8161 /* [HGM] verify: draws that were not flagged are false claims */
8162 sprintf(buf, "False draw claim: '%s'", resultDetails);
8163 result = claimer == 'w' ? BlackWins : WhiteWins;
8164 resultDetails = buf;
8166 /* (Claiming a loss is accepted no questions asked!) */
8168 /* [HGM] bare: don't allow bare King to win */
8169 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8170 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
8171 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
8172 && result != GameIsDrawn)
8173 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
8174 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
8175 int p = (int)boards[forwardMostMove][i][j] - color;
8176 if(p >= 0 && p <= (int)WhiteKing) k++;
8178 if (appData.debugMode) {
8179 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
8180 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
8183 result = GameIsDrawn;
8184 sprintf(buf, "%s but bare king", resultDetails);
8185 resultDetails = buf;
8191 if(serverMoves != NULL && !loadFlag) { char c = '=';
8192 if(result==WhiteWins) c = '+';
8193 if(result==BlackWins) c = '-';
8194 if(resultDetails != NULL)
8195 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
8197 if (resultDetails != NULL) {
8198 gameInfo.result = result;
8199 gameInfo.resultDetails = StrSave(resultDetails);
8201 /* display last move only if game was not loaded from file */
8202 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
8203 DisplayMove(currentMove - 1);
8205 if (forwardMostMove != 0) {
8206 if (gameMode != PlayFromGameFile && gameMode != EditGame
8207 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
8209 if (*appData.saveGameFile != NULLCHAR) {
8210 SaveGameToFile(appData.saveGameFile, TRUE);
8211 } else if (appData.autoSaveGames) {
8214 if (*appData.savePositionFile != NULLCHAR) {
8215 SavePositionToFile(appData.savePositionFile);
8220 /* Tell program how game ended in case it is learning */
8221 /* [HGM] Moved this to after saving the PGN, just in case */
8222 /* engine died and we got here through time loss. In that */
8223 /* case we will get a fatal error writing the pipe, which */
8224 /* would otherwise lose us the PGN. */
8225 /* [HGM] crash: not needed anymore, but doesn't hurt; */
8226 /* output during GameEnds should never be fatal anymore */
8227 if (gameMode == MachinePlaysWhite ||
8228 gameMode == MachinePlaysBlack ||
8229 gameMode == TwoMachinesPlay ||
8230 gameMode == IcsPlayingWhite ||
8231 gameMode == IcsPlayingBlack ||
8232 gameMode == BeginningOfGame) {
8234 sprintf(buf, "result %s {%s}\n", PGNResult(result),
8236 if (first.pr != NoProc) {
8237 SendToProgram(buf, &first);
8239 if (second.pr != NoProc &&
8240 gameMode == TwoMachinesPlay) {
8241 SendToProgram(buf, &second);
8246 if (appData.icsActive) {
8247 if (appData.quietPlay &&
8248 (gameMode == IcsPlayingWhite ||
8249 gameMode == IcsPlayingBlack)) {
8250 SendToICS(ics_prefix);
8251 SendToICS("set shout 1\n");
8253 nextGameMode = IcsIdle;
8254 ics_user_moved = FALSE;
8255 /* clean up premove. It's ugly when the game has ended and the
8256 * premove highlights are still on the board.
8260 ClearPremoveHighlights();
8261 DrawPosition(FALSE, boards[currentMove]);
8263 if (whosays == GE_ICS) {
8266 if (gameMode == IcsPlayingWhite)
8268 else if(gameMode == IcsPlayingBlack)
8272 if (gameMode == IcsPlayingBlack)
8274 else if(gameMode == IcsPlayingWhite)
8281 PlayIcsUnfinishedSound();
8284 } else if (gameMode == EditGame ||
8285 gameMode == PlayFromGameFile ||
8286 gameMode == AnalyzeMode ||
8287 gameMode == AnalyzeFile) {
8288 nextGameMode = gameMode;
8290 nextGameMode = EndOfGame;
8295 nextGameMode = gameMode;
8298 if (appData.noChessProgram) {
8299 gameMode = nextGameMode;
8301 endingGame = 0; /* [HGM] crash */
8306 /* Put first chess program into idle state */
8307 if (first.pr != NoProc &&
8308 (gameMode == MachinePlaysWhite ||
8309 gameMode == MachinePlaysBlack ||
8310 gameMode == TwoMachinesPlay ||
8311 gameMode == IcsPlayingWhite ||
8312 gameMode == IcsPlayingBlack ||
8313 gameMode == BeginningOfGame)) {
8314 SendToProgram("force\n", &first);
8315 if (first.usePing) {
8317 sprintf(buf, "ping %d\n", ++first.lastPing);
8318 SendToProgram(buf, &first);
8321 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
8322 /* Kill off first chess program */
8323 if (first.isr != NULL)
8324 RemoveInputSource(first.isr);
8327 if (first.pr != NoProc) {
8329 DoSleep( appData.delayBeforeQuit );
8330 SendToProgram("quit\n", &first);
8331 DoSleep( appData.delayAfterQuit );
8332 DestroyChildProcess(first.pr, first.useSigterm);
8337 /* Put second chess program into idle state */
8338 if (second.pr != NoProc &&
8339 gameMode == TwoMachinesPlay) {
8340 SendToProgram("force\n", &second);
8341 if (second.usePing) {
8343 sprintf(buf, "ping %d\n", ++second.lastPing);
8344 SendToProgram(buf, &second);
8347 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
8348 /* Kill off second chess program */
8349 if (second.isr != NULL)
8350 RemoveInputSource(second.isr);
8353 if (second.pr != NoProc) {
8354 DoSleep( appData.delayBeforeQuit );
8355 SendToProgram("quit\n", &second);
8356 DoSleep( appData.delayAfterQuit );
8357 DestroyChildProcess(second.pr, second.useSigterm);
8362 if (matchMode && gameMode == TwoMachinesPlay) {
8365 if (first.twoMachinesColor[0] == 'w') {
8372 if (first.twoMachinesColor[0] == 'b') {
8381 if (matchGame < appData.matchGames) {
8383 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
8384 tmp = first.twoMachinesColor;
8385 first.twoMachinesColor = second.twoMachinesColor;
8386 second.twoMachinesColor = tmp;
8388 gameMode = nextGameMode;
8390 if(appData.matchPause>10000 || appData.matchPause<10)
8391 appData.matchPause = 10000; /* [HGM] make pause adjustable */
8392 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
8393 endingGame = 0; /* [HGM] crash */
8397 gameMode = nextGameMode;
8398 sprintf(buf, _("Match %s vs. %s: final score %d-%d-%d"),
8399 first.tidy, second.tidy,
8400 first.matchWins, second.matchWins,
8401 appData.matchGames - (first.matchWins + second.matchWins));
8402 DisplayFatalError(buf, 0, 0);
8405 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
8406 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
8408 gameMode = nextGameMode;
8410 endingGame = 0; /* [HGM] crash */
8413 /* Assumes program was just initialized (initString sent).
8414 Leaves program in force mode. */
8416 FeedMovesToProgram(cps, upto)
8417 ChessProgramState *cps;
8422 if (appData.debugMode)
8423 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
8424 startedFromSetupPosition ? "position and " : "",
8425 backwardMostMove, upto, cps->which);
8426 if(currentlyInitializedVariant != gameInfo.variant) { char buf[MSG_SIZ];
8427 // [HGM] variantswitch: make engine aware of new variant
8428 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
8429 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
8430 sprintf(buf, "variant %s\n", VariantName(gameInfo.variant));
8431 SendToProgram(buf, cps);
8432 currentlyInitializedVariant = gameInfo.variant;
8434 SendToProgram("force\n", cps);
8435 if (startedFromSetupPosition) {
8436 SendBoard(cps, backwardMostMove);
8437 if (appData.debugMode) {
8438 fprintf(debugFP, "feedMoves\n");
8441 for (i = backwardMostMove; i < upto; i++) {
8442 SendMoveToProgram(i, cps);
8448 ResurrectChessProgram()
8450 /* The chess program may have exited.
8451 If so, restart it and feed it all the moves made so far. */
8453 if (appData.noChessProgram || first.pr != NoProc) return;
8455 StartChessProgram(&first);
8456 InitChessProgram(&first, FALSE);
8457 FeedMovesToProgram(&first, currentMove);
8459 if (!first.sendTime) {
8460 /* can't tell gnuchess what its clock should read,
8461 so we bow to its notion. */
8463 timeRemaining[0][currentMove] = whiteTimeRemaining;
8464 timeRemaining[1][currentMove] = blackTimeRemaining;
8467 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
8468 appData.icsEngineAnalyze) && first.analysisSupport) {
8469 SendToProgram("analyze\n", &first);
8470 first.analyzing = TRUE;
8483 if (appData.debugMode) {
8484 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
8485 redraw, init, gameMode);
8487 pausing = pauseExamInvalid = FALSE;
8488 startedFromSetupPosition = blackPlaysFirst = FALSE;
8490 whiteFlag = blackFlag = FALSE;
8491 userOfferedDraw = FALSE;
8492 hintRequested = bookRequested = FALSE;
8493 first.maybeThinking = FALSE;
8494 second.maybeThinking = FALSE;
8495 first.bookSuspend = FALSE; // [HGM] book
8496 second.bookSuspend = FALSE;
8497 thinkOutput[0] = NULLCHAR;
8498 lastHint[0] = NULLCHAR;
8499 ClearGameInfo(&gameInfo);
8500 gameInfo.variant = StringToVariant(appData.variant);
8501 ics_user_moved = ics_clock_paused = FALSE;
8502 ics_getting_history = H_FALSE;
8504 white_holding[0] = black_holding[0] = NULLCHAR;
8505 ClearProgramStats();
8506 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
8510 flipView = appData.flipView;
8511 ClearPremoveHighlights();
8513 alarmSounded = FALSE;
8515 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
8516 if(appData.serverMovesName != NULL) {
8517 /* [HGM] prepare to make moves file for broadcasting */
8518 clock_t t = clock();
8519 if(serverMoves != NULL) fclose(serverMoves);
8520 serverMoves = fopen(appData.serverMovesName, "r");
8521 if(serverMoves != NULL) {
8522 fclose(serverMoves);
8523 /* delay 15 sec before overwriting, so all clients can see end */
8524 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
8526 serverMoves = fopen(appData.serverMovesName, "w");
8530 gameMode = BeginningOfGame;
8532 if(appData.icsActive) gameInfo.variant = VariantNormal;
8533 currentMove = forwardMostMove = backwardMostMove = 0;
8534 InitPosition(redraw);
8535 for (i = 0; i < MAX_MOVES; i++) {
8536 if (commentList[i] != NULL) {
8537 free(commentList[i]);
8538 commentList[i] = NULL;
8542 timeRemaining[0][0] = whiteTimeRemaining;
8543 timeRemaining[1][0] = blackTimeRemaining;
8544 if (first.pr == NULL) {
8545 StartChessProgram(&first);
8548 InitChessProgram(&first, startedFromSetupPosition);
8551 DisplayMessage("", "");
8552 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
8553 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
8560 if (!AutoPlayOneMove())
8562 if (matchMode || appData.timeDelay == 0)
8564 if (appData.timeDelay < 0 || gameMode == AnalyzeFile)
8566 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
8575 int fromX, fromY, toX, toY;
8577 if (appData.debugMode) {
8578 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
8581 if (gameMode != PlayFromGameFile)
8584 if (currentMove >= forwardMostMove) {
8585 gameMode = EditGame;
8588 /* [AS] Clear current move marker at the end of a game */
8589 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
8594 toX = moveList[currentMove][2] - AAA;
8595 toY = moveList[currentMove][3] - ONE;
8597 if (moveList[currentMove][1] == '@') {
8598 if (appData.highlightLastMove) {
8599 SetHighlights(-1, -1, toX, toY);
8602 fromX = moveList[currentMove][0] - AAA;
8603 fromY = moveList[currentMove][1] - ONE;
8605 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
8607 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
8609 if (appData.highlightLastMove) {
8610 SetHighlights(fromX, fromY, toX, toY);
8613 DisplayMove(currentMove);
8614 SendMoveToProgram(currentMove++, &first);
8615 DisplayBothClocks();
8616 DrawPosition(FALSE, boards[currentMove]);
8617 // [HGM] PV info: always display, routine tests if empty
8618 DisplayComment(currentMove - 1, commentList[currentMove]);
8624 LoadGameOneMove(readAhead)
8625 ChessMove readAhead;
8627 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
8628 char promoChar = NULLCHAR;
8633 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
8634 gameMode != AnalyzeMode && gameMode != Training) {
8639 yyboardindex = forwardMostMove;
8640 if (readAhead != (ChessMove)0) {
8641 moveType = readAhead;
8643 if (gameFileFP == NULL)
8645 moveType = (ChessMove) yylex();
8651 if (appData.debugMode)
8652 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
8654 if (*p == '{' || *p == '[' || *p == '(') {
8655 p[strlen(p) - 1] = NULLCHAR;
8659 /* append the comment but don't display it */
8660 while (*p == '\n') p++;
8661 AppendComment(currentMove, p);
8664 case WhiteCapturesEnPassant:
8665 case BlackCapturesEnPassant:
8666 case WhitePromotionChancellor:
8667 case BlackPromotionChancellor:
8668 case WhitePromotionArchbishop:
8669 case BlackPromotionArchbishop:
8670 case WhitePromotionCentaur:
8671 case BlackPromotionCentaur:
8672 case WhitePromotionQueen:
8673 case BlackPromotionQueen:
8674 case WhitePromotionRook:
8675 case BlackPromotionRook:
8676 case WhitePromotionBishop:
8677 case BlackPromotionBishop:
8678 case WhitePromotionKnight:
8679 case BlackPromotionKnight:
8680 case WhitePromotionKing:
8681 case BlackPromotionKing:
8683 case WhiteKingSideCastle:
8684 case WhiteQueenSideCastle:
8685 case BlackKingSideCastle:
8686 case BlackQueenSideCastle:
8687 case WhiteKingSideCastleWild:
8688 case WhiteQueenSideCastleWild:
8689 case BlackKingSideCastleWild:
8690 case BlackQueenSideCastleWild:
8692 case WhiteHSideCastleFR:
8693 case WhiteASideCastleFR:
8694 case BlackHSideCastleFR:
8695 case BlackASideCastleFR:
8697 if (appData.debugMode)
8698 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
8699 fromX = currentMoveString[0] - AAA;
8700 fromY = currentMoveString[1] - ONE;
8701 toX = currentMoveString[2] - AAA;
8702 toY = currentMoveString[3] - ONE;
8703 promoChar = currentMoveString[4];
8708 if (appData.debugMode)
8709 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
8710 fromX = moveType == WhiteDrop ?
8711 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8712 (int) CharToPiece(ToLower(currentMoveString[0]));
8714 toX = currentMoveString[2] - AAA;
8715 toY = currentMoveString[3] - ONE;
8721 case GameUnfinished:
8722 if (appData.debugMode)
8723 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
8724 p = strchr(yy_text, '{');
8725 if (p == NULL) p = strchr(yy_text, '(');
8728 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8730 q = strchr(p, *p == '{' ? '}' : ')');
8731 if (q != NULL) *q = NULLCHAR;
8734 GameEnds(moveType, p, GE_FILE);
8736 if (cmailMsgLoaded) {
8738 flipView = WhiteOnMove(currentMove);
8739 if (moveType == GameUnfinished) flipView = !flipView;
8740 if (appData.debugMode)
8741 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
8745 case (ChessMove) 0: /* end of file */
8746 if (appData.debugMode)
8747 fprintf(debugFP, "Parser hit end of file\n");
8748 switch (MateTest(boards[currentMove], PosFlags(currentMove),
8749 EP_UNKNOWN, castlingRights[currentMove]) ) {
8755 if (WhiteOnMove(currentMove)) {
8756 GameEnds(BlackWins, "Black mates", GE_FILE);
8758 GameEnds(WhiteWins, "White mates", GE_FILE);
8762 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
8769 if (lastLoadGameStart == GNUChessGame) {
8770 /* GNUChessGames have numbers, but they aren't move numbers */
8771 if (appData.debugMode)
8772 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
8773 yy_text, (int) moveType);
8774 return LoadGameOneMove((ChessMove)0); /* tail recursion */
8776 /* else fall thru */
8781 /* Reached start of next game in file */
8782 if (appData.debugMode)
8783 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
8784 switch (MateTest(boards[currentMove], PosFlags(currentMove),
8785 EP_UNKNOWN, castlingRights[currentMove]) ) {
8791 if (WhiteOnMove(currentMove)) {
8792 GameEnds(BlackWins, "Black mates", GE_FILE);
8794 GameEnds(WhiteWins, "White mates", GE_FILE);
8798 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
8804 case PositionDiagram: /* should not happen; ignore */
8805 case ElapsedTime: /* ignore */
8806 case NAG: /* ignore */
8807 if (appData.debugMode)
8808 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
8809 yy_text, (int) moveType);
8810 return LoadGameOneMove((ChessMove)0); /* tail recursion */
8813 if (appData.testLegality) {
8814 if (appData.debugMode)
8815 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
8816 sprintf(move, _("Illegal move: %d.%s%s"),
8817 (forwardMostMove / 2) + 1,
8818 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
8819 DisplayError(move, 0);
8822 if (appData.debugMode)
8823 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
8824 yy_text, currentMoveString);
8825 fromX = currentMoveString[0] - AAA;
8826 fromY = currentMoveString[1] - ONE;
8827 toX = currentMoveString[2] - AAA;
8828 toY = currentMoveString[3] - ONE;
8829 promoChar = currentMoveString[4];
8834 if (appData.debugMode)
8835 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
8836 sprintf(move, _("Ambiguous move: %d.%s%s"),
8837 (forwardMostMove / 2) + 1,
8838 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
8839 DisplayError(move, 0);
8844 case ImpossibleMove:
8845 if (appData.debugMode)
8846 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
8847 sprintf(move, _("Illegal move: %d.%s%s"),
8848 (forwardMostMove / 2) + 1,
8849 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
8850 DisplayError(move, 0);
8856 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
8857 DrawPosition(FALSE, boards[currentMove]);
8858 DisplayBothClocks();
8859 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
8860 DisplayComment(currentMove - 1, commentList[currentMove]);
8862 (void) StopLoadGameTimer();
8864 cmailOldMove = forwardMostMove;
8867 /* currentMoveString is set as a side-effect of yylex */
8868 strcat(currentMoveString, "\n");
8869 strcpy(moveList[forwardMostMove], currentMoveString);
8871 thinkOutput[0] = NULLCHAR;
8872 MakeMove(fromX, fromY, toX, toY, promoChar);
8873 currentMove = forwardMostMove;
8878 /* Load the nth game from the given file */
8880 LoadGameFromFile(filename, n, title, useList)
8884 /*Boolean*/ int useList;
8889 if (strcmp(filename, "-") == 0) {
8893 f = fopen(filename, "rb");
8895 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
8896 DisplayError(buf, errno);
8900 if (fseek(f, 0, 0) == -1) {
8901 /* f is not seekable; probably a pipe */
8904 if (useList && n == 0) {
8905 int error = GameListBuild(f);
8907 DisplayError(_("Cannot build game list"), error);
8908 } else if (!ListEmpty(&gameList) &&
8909 ((ListGame *) gameList.tailPred)->number > 1) {
8910 GameListPopUp(f, title);
8917 return LoadGame(f, n, title, FALSE);
8922 MakeRegisteredMove()
8924 int fromX, fromY, toX, toY;
8926 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
8927 switch (cmailMoveType[lastLoadGameNumber - 1]) {
8930 if (appData.debugMode)
8931 fprintf(debugFP, "Restoring %s for game %d\n",
8932 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
8934 thinkOutput[0] = NULLCHAR;
8935 strcpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1]);
8936 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
8937 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
8938 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
8939 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
8940 promoChar = cmailMove[lastLoadGameNumber - 1][4];
8941 MakeMove(fromX, fromY, toX, toY, promoChar);
8942 ShowMove(fromX, fromY, toX, toY);
8944 switch (MateTest(boards[currentMove], PosFlags(currentMove),
8945 EP_UNKNOWN, castlingRights[currentMove]) ) {
8952 if (WhiteOnMove(currentMove)) {
8953 GameEnds(BlackWins, "Black mates", GE_PLAYER);
8955 GameEnds(WhiteWins, "White mates", GE_PLAYER);
8960 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
8967 if (WhiteOnMove(currentMove)) {
8968 GameEnds(BlackWins, "White resigns", GE_PLAYER);
8970 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
8975 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
8986 /* Wrapper around LoadGame for use when a Cmail message is loaded */
8988 CmailLoadGame(f, gameNumber, title, useList)
8996 if (gameNumber > nCmailGames) {
8997 DisplayError(_("No more games in this message"), 0);
9000 if (f == lastLoadGameFP) {
9001 int offset = gameNumber - lastLoadGameNumber;
9003 cmailMsg[0] = NULLCHAR;
9004 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9005 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
9006 nCmailMovesRegistered--;
9008 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
9009 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
9010 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
9013 if (! RegisterMove()) return FALSE;
9017 retVal = LoadGame(f, gameNumber, title, useList);
9019 /* Make move registered during previous look at this game, if any */
9020 MakeRegisteredMove();
9022 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
9023 commentList[currentMove]
9024 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
9025 DisplayComment(currentMove - 1, commentList[currentMove]);
9031 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
9036 int gameNumber = lastLoadGameNumber + offset;
9037 if (lastLoadGameFP == NULL) {
9038 DisplayError(_("No game has been loaded yet"), 0);
9041 if (gameNumber <= 0) {
9042 DisplayError(_("Can't back up any further"), 0);
9045 if (cmailMsgLoaded) {
9046 return CmailLoadGame(lastLoadGameFP, gameNumber,
9047 lastLoadGameTitle, lastLoadGameUseList);
9049 return LoadGame(lastLoadGameFP, gameNumber,
9050 lastLoadGameTitle, lastLoadGameUseList);
9056 /* Load the nth game from open file f */
9058 LoadGame(f, gameNumber, title, useList)
9066 int gn = gameNumber;
9067 ListGame *lg = NULL;
9070 GameMode oldGameMode;
9071 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
9073 if (appData.debugMode)
9074 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
9076 if (gameMode == Training )
9077 SetTrainingModeOff();
9079 oldGameMode = gameMode;
9080 if (gameMode != BeginningOfGame) {
9085 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
9086 fclose(lastLoadGameFP);
9090 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
9093 fseek(f, lg->offset, 0);
9094 GameListHighlight(gameNumber);
9098 DisplayError(_("Game number out of range"), 0);
9103 if (fseek(f, 0, 0) == -1) {
9104 if (f == lastLoadGameFP ?
9105 gameNumber == lastLoadGameNumber + 1 :
9109 DisplayError(_("Can't seek on game file"), 0);
9115 lastLoadGameNumber = gameNumber;
9116 strcpy(lastLoadGameTitle, title);
9117 lastLoadGameUseList = useList;
9121 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
9122 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
9123 lg->gameInfo.black);
9125 } else if (*title != NULLCHAR) {
9126 if (gameNumber > 1) {
9127 sprintf(buf, "%s %d", title, gameNumber);
9130 DisplayTitle(title);
9134 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
9135 gameMode = PlayFromGameFile;
9139 currentMove = forwardMostMove = backwardMostMove = 0;
9140 CopyBoard(boards[0], initialPosition);
9144 * Skip the first gn-1 games in the file.
9145 * Also skip over anything that precedes an identifiable
9146 * start of game marker, to avoid being confused by
9147 * garbage at the start of the file. Currently
9148 * recognized start of game markers are the move number "1",
9149 * the pattern "gnuchess .* game", the pattern
9150 * "^[#;%] [^ ]* game file", and a PGN tag block.
9151 * A game that starts with one of the latter two patterns
9152 * will also have a move number 1, possibly
9153 * following a position diagram.
9154 * 5-4-02: Let's try being more lenient and allowing a game to
9155 * start with an unnumbered move. Does that break anything?
9157 cm = lastLoadGameStart = (ChessMove) 0;
9159 yyboardindex = forwardMostMove;
9160 cm = (ChessMove) yylex();
9163 if (cmailMsgLoaded) {
9164 nCmailGames = CMAIL_MAX_GAMES - gn;
9167 DisplayError(_("Game not found in file"), 0);
9174 lastLoadGameStart = cm;
9178 switch (lastLoadGameStart) {
9185 gn--; /* count this game */
9186 lastLoadGameStart = cm;
9195 switch (lastLoadGameStart) {
9200 gn--; /* count this game */
9201 lastLoadGameStart = cm;
9204 lastLoadGameStart = cm; /* game counted already */
9212 yyboardindex = forwardMostMove;
9213 cm = (ChessMove) yylex();
9214 } while (cm == PGNTag || cm == Comment);
9221 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
9222 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
9223 != CMAIL_OLD_RESULT) {
9225 cmailResult[ CMAIL_MAX_GAMES
9226 - gn - 1] = CMAIL_OLD_RESULT;
9232 /* Only a NormalMove can be at the start of a game
9233 * without a position diagram. */
9234 if (lastLoadGameStart == (ChessMove) 0) {
9236 lastLoadGameStart = MoveNumberOne;
9245 if (appData.debugMode)
9246 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
9248 if (cm == XBoardGame) {
9249 /* Skip any header junk before position diagram and/or move 1 */
9251 yyboardindex = forwardMostMove;
9252 cm = (ChessMove) yylex();
9254 if (cm == (ChessMove) 0 ||
9255 cm == GNUChessGame || cm == XBoardGame) {
9256 /* Empty game; pretend end-of-file and handle later */
9261 if (cm == MoveNumberOne || cm == PositionDiagram ||
9262 cm == PGNTag || cm == Comment)
9265 } else if (cm == GNUChessGame) {
9266 if (gameInfo.event != NULL) {
9267 free(gameInfo.event);
9269 gameInfo.event = StrSave(yy_text);
9272 startedFromSetupPosition = FALSE;
9273 while (cm == PGNTag) {
9274 if (appData.debugMode)
9275 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
9276 err = ParsePGNTag(yy_text, &gameInfo);
9277 if (!err) numPGNTags++;
9279 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
9280 if(gameInfo.variant != oldVariant) {
9281 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
9283 oldVariant = gameInfo.variant;
9284 if (appData.debugMode)
9285 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
9289 if (gameInfo.fen != NULL) {
9290 Board initial_position;
9291 startedFromSetupPosition = TRUE;
9292 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
9294 DisplayError(_("Bad FEN position in file"), 0);
9297 CopyBoard(boards[0], initial_position);
9298 if (blackPlaysFirst) {
9299 currentMove = forwardMostMove = backwardMostMove = 1;
9300 CopyBoard(boards[1], initial_position);
9301 strcpy(moveList[0], "");
9302 strcpy(parseList[0], "");
9303 timeRemaining[0][1] = whiteTimeRemaining;
9304 timeRemaining[1][1] = blackTimeRemaining;
9305 if (commentList[0] != NULL) {
9306 commentList[1] = commentList[0];
9307 commentList[0] = NULL;
9310 currentMove = forwardMostMove = backwardMostMove = 0;
9312 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
9314 initialRulePlies = FENrulePlies;
9315 epStatus[forwardMostMove] = FENepStatus;
9316 for( i=0; i< nrCastlingRights; i++ )
9317 initialRights[i] = castlingRights[forwardMostMove][i] = FENcastlingRights[i];
9319 yyboardindex = forwardMostMove;
9321 gameInfo.fen = NULL;
9324 yyboardindex = forwardMostMove;
9325 cm = (ChessMove) yylex();
9327 /* Handle comments interspersed among the tags */
9328 while (cm == Comment) {
9330 if (appData.debugMode)
9331 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9333 if (*p == '{' || *p == '[' || *p == '(') {
9334 p[strlen(p) - 1] = NULLCHAR;
9337 while (*p == '\n') p++;
9338 AppendComment(currentMove, p);
9339 yyboardindex = forwardMostMove;
9340 cm = (ChessMove) yylex();
9344 /* don't rely on existence of Event tag since if game was
9345 * pasted from clipboard the Event tag may not exist
9347 if (numPGNTags > 0){
9349 if (gameInfo.variant == VariantNormal) {
9350 gameInfo.variant = StringToVariant(gameInfo.event);
9353 if( appData.autoDisplayTags ) {
9354 tags = PGNTags(&gameInfo);
9355 TagsPopUp(tags, CmailMsg());
9360 /* Make something up, but don't display it now */
9365 if (cm == PositionDiagram) {
9368 Board initial_position;
9370 if (appData.debugMode)
9371 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
9373 if (!startedFromSetupPosition) {
9375 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
9376 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
9386 initial_position[i][j++] = CharToPiece(*p);
9389 while (*p == ' ' || *p == '\t' ||
9390 *p == '\n' || *p == '\r') p++;
9392 if (strncmp(p, "black", strlen("black"))==0)
9393 blackPlaysFirst = TRUE;
9395 blackPlaysFirst = FALSE;
9396 startedFromSetupPosition = TRUE;
9398 CopyBoard(boards[0], initial_position);
9399 if (blackPlaysFirst) {
9400 currentMove = forwardMostMove = backwardMostMove = 1;
9401 CopyBoard(boards[1], initial_position);
9402 strcpy(moveList[0], "");
9403 strcpy(parseList[0], "");
9404 timeRemaining[0][1] = whiteTimeRemaining;
9405 timeRemaining[1][1] = blackTimeRemaining;
9406 if (commentList[0] != NULL) {
9407 commentList[1] = commentList[0];
9408 commentList[0] = NULL;
9411 currentMove = forwardMostMove = backwardMostMove = 0;
9414 yyboardindex = forwardMostMove;
9415 cm = (ChessMove) yylex();
9418 if (first.pr == NoProc) {
9419 StartChessProgram(&first);
9421 InitChessProgram(&first, FALSE);
9422 SendToProgram("force\n", &first);
9423 if (startedFromSetupPosition) {
9424 SendBoard(&first, forwardMostMove);
9425 if (appData.debugMode) {
9426 fprintf(debugFP, "Load Game\n");
9428 DisplayBothClocks();
9431 /* [HGM] server: flag to write setup moves in broadcast file as one */
9432 loadFlag = appData.suppressLoadMoves;
9434 while (cm == Comment) {
9436 if (appData.debugMode)
9437 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9439 if (*p == '{' || *p == '[' || *p == '(') {
9440 p[strlen(p) - 1] = NULLCHAR;
9443 while (*p == '\n') p++;
9444 AppendComment(currentMove, p);
9445 yyboardindex = forwardMostMove;
9446 cm = (ChessMove) yylex();
9449 if ((cm == (ChessMove) 0 && lastLoadGameStart != (ChessMove) 0) ||
9450 cm == WhiteWins || cm == BlackWins ||
9451 cm == GameIsDrawn || cm == GameUnfinished) {
9452 DisplayMessage("", _("No moves in game"));
9453 if (cmailMsgLoaded) {
9454 if (appData.debugMode)
9455 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
9459 DrawPosition(FALSE, boards[currentMove]);
9460 DisplayBothClocks();
9461 gameMode = EditGame;
9468 // [HGM] PV info: routine tests if comment empty
9469 if (!matchMode && (pausing || appData.timeDelay != 0)) {
9470 DisplayComment(currentMove - 1, commentList[currentMove]);
9472 if (!matchMode && appData.timeDelay != 0)
9473 DrawPosition(FALSE, boards[currentMove]);
9475 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
9476 programStats.ok_to_send = 1;
9479 /* if the first token after the PGN tags is a move
9480 * and not move number 1, retrieve it from the parser
9482 if (cm != MoveNumberOne)
9483 LoadGameOneMove(cm);
9485 /* load the remaining moves from the file */
9486 while (LoadGameOneMove((ChessMove)0)) {
9487 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9488 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9491 /* rewind to the start of the game */
9492 currentMove = backwardMostMove;
9494 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9496 if (oldGameMode == AnalyzeFile ||
9497 oldGameMode == AnalyzeMode) {
9501 if (matchMode || appData.timeDelay == 0) {
9503 gameMode = EditGame;
9505 } else if (appData.timeDelay > 0) {
9509 if (appData.debugMode)
9510 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
9512 loadFlag = 0; /* [HGM] true game starts */
9516 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
9518 ReloadPosition(offset)
9521 int positionNumber = lastLoadPositionNumber + offset;
9522 if (lastLoadPositionFP == NULL) {
9523 DisplayError(_("No position has been loaded yet"), 0);
9526 if (positionNumber <= 0) {
9527 DisplayError(_("Can't back up any further"), 0);
9530 return LoadPosition(lastLoadPositionFP, positionNumber,
9531 lastLoadPositionTitle);
9534 /* Load the nth position from the given file */
9536 LoadPositionFromFile(filename, n, title)
9544 if (strcmp(filename, "-") == 0) {
9545 return LoadPosition(stdin, n, "stdin");
9547 f = fopen(filename, "rb");
9549 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9550 DisplayError(buf, errno);
9553 return LoadPosition(f, n, title);
9558 /* Load the nth position from the given open file, and close it */
9560 LoadPosition(f, positionNumber, title)
9565 char *p, line[MSG_SIZ];
9566 Board initial_position;
9567 int i, j, fenMode, pn;
9569 if (gameMode == Training )
9570 SetTrainingModeOff();
9572 if (gameMode != BeginningOfGame) {
9575 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
9576 fclose(lastLoadPositionFP);
9578 if (positionNumber == 0) positionNumber = 1;
9579 lastLoadPositionFP = f;
9580 lastLoadPositionNumber = positionNumber;
9581 strcpy(lastLoadPositionTitle, title);
9582 if (first.pr == NoProc) {
9583 StartChessProgram(&first);
9584 InitChessProgram(&first, FALSE);
9586 pn = positionNumber;
9587 if (positionNumber < 0) {
9588 /* Negative position number means to seek to that byte offset */
9589 if (fseek(f, -positionNumber, 0) == -1) {
9590 DisplayError(_("Can't seek on position file"), 0);
9595 if (fseek(f, 0, 0) == -1) {
9596 if (f == lastLoadPositionFP ?
9597 positionNumber == lastLoadPositionNumber + 1 :
9598 positionNumber == 1) {
9601 DisplayError(_("Can't seek on position file"), 0);
9606 /* See if this file is FEN or old-style xboard */
9607 if (fgets(line, MSG_SIZ, f) == NULL) {
9608 DisplayError(_("Position not found in file"), 0);
9611 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
9612 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
9615 if (fenMode || line[0] == '#') pn--;
9617 /* skip positions before number pn */
9618 if (fgets(line, MSG_SIZ, f) == NULL) {
9620 DisplayError(_("Position not found in file"), 0);
9623 if (fenMode || line[0] == '#') pn--;
9628 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
9629 DisplayError(_("Bad FEN position in file"), 0);
9633 (void) fgets(line, MSG_SIZ, f);
9634 (void) fgets(line, MSG_SIZ, f);
9636 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
9637 (void) fgets(line, MSG_SIZ, f);
9638 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
9641 initial_position[i][j++] = CharToPiece(*p);
9645 blackPlaysFirst = FALSE;
9647 (void) fgets(line, MSG_SIZ, f);
9648 if (strncmp(line, "black", strlen("black"))==0)
9649 blackPlaysFirst = TRUE;
9652 startedFromSetupPosition = TRUE;
9654 SendToProgram("force\n", &first);
9655 CopyBoard(boards[0], initial_position);
9656 if (blackPlaysFirst) {
9657 currentMove = forwardMostMove = backwardMostMove = 1;
9658 strcpy(moveList[0], "");
9659 strcpy(parseList[0], "");
9660 CopyBoard(boards[1], initial_position);
9661 DisplayMessage("", _("Black to play"));
9663 currentMove = forwardMostMove = backwardMostMove = 0;
9664 DisplayMessage("", _("White to play"));
9666 /* [HGM] copy FEN attributes as well */
9668 initialRulePlies = FENrulePlies;
9669 epStatus[forwardMostMove] = FENepStatus;
9670 for( i=0; i< nrCastlingRights; i++ )
9671 castlingRights[forwardMostMove][i] = FENcastlingRights[i];
9673 SendBoard(&first, forwardMostMove);
9674 if (appData.debugMode) {
9676 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", castlingRights[i][j]);fprintf(debugFP,"\n");}
9677 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
9678 fprintf(debugFP, "Load Position\n");
9681 if (positionNumber > 1) {
9682 sprintf(line, "%s %d", title, positionNumber);
9685 DisplayTitle(title);
9687 gameMode = EditGame;
9690 timeRemaining[0][1] = whiteTimeRemaining;
9691 timeRemaining[1][1] = blackTimeRemaining;
9692 DrawPosition(FALSE, boards[currentMove]);
9699 CopyPlayerNameIntoFileName(dest, src)
9702 while (*src != NULLCHAR && *src != ',') {
9707 *(*dest)++ = *src++;
9712 char *DefaultFileName(ext)
9715 static char def[MSG_SIZ];
9718 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
9720 CopyPlayerNameIntoFileName(&p, gameInfo.white);
9722 CopyPlayerNameIntoFileName(&p, gameInfo.black);
9731 /* Save the current game to the given file */
9733 SaveGameToFile(filename, append)
9740 if (strcmp(filename, "-") == 0) {
9741 return SaveGame(stdout, 0, NULL);
9743 f = fopen(filename, append ? "a" : "w");
9745 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9746 DisplayError(buf, errno);
9749 return SaveGame(f, 0, NULL);
9758 static char buf[MSG_SIZ];
9761 p = strchr(str, ' ');
9762 if (p == NULL) return str;
9763 strncpy(buf, str, p - str);
9764 buf[p - str] = NULLCHAR;
9768 #define PGN_MAX_LINE 75
9770 #define PGN_SIDE_WHITE 0
9771 #define PGN_SIDE_BLACK 1
9774 static int FindFirstMoveOutOfBook( int side )
9778 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
9779 int index = backwardMostMove;
9780 int has_book_hit = 0;
9782 if( (index % 2) != side ) {
9786 while( index < forwardMostMove ) {
9787 /* Check to see if engine is in book */
9788 int depth = pvInfoList[index].depth;
9789 int score = pvInfoList[index].score;
9795 else if( score == 0 && depth == 63 ) {
9796 in_book = 1; /* Zappa */
9798 else if( score == 2 && depth == 99 ) {
9799 in_book = 1; /* Abrok */
9802 has_book_hit += in_book;
9818 void GetOutOfBookInfo( char * buf )
9822 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
9824 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
9825 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
9829 if( oob[0] >= 0 || oob[1] >= 0 ) {
9830 for( i=0; i<2; i++ ) {
9834 if( i > 0 && oob[0] >= 0 ) {
9838 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
9839 sprintf( buf+strlen(buf), "%s%.2f",
9840 pvInfoList[idx].score >= 0 ? "+" : "",
9841 pvInfoList[idx].score / 100.0 );
9847 /* Save game in PGN style and close the file */
9852 int i, offset, linelen, newblock;
9856 int movelen, numlen, blank;
9857 char move_buffer[100]; /* [AS] Buffer for move+PV info */
9859 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
9861 tm = time((time_t *) NULL);
9863 PrintPGNTags(f, &gameInfo);
9865 if (backwardMostMove > 0 || startedFromSetupPosition) {
9866 char *fen = PositionToFEN(backwardMostMove, NULL);
9867 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
9868 fprintf(f, "\n{--------------\n");
9869 PrintPosition(f, backwardMostMove);
9870 fprintf(f, "--------------}\n");
9874 /* [AS] Out of book annotation */
9875 if( appData.saveOutOfBookInfo ) {
9878 GetOutOfBookInfo( buf );
9880 if( buf[0] != '\0' ) {
9881 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
9888 i = backwardMostMove;
9892 while (i < forwardMostMove) {
9893 /* Print comments preceding this move */
9894 if (commentList[i] != NULL) {
9895 if (linelen > 0) fprintf(f, "\n");
9896 fprintf(f, "{\n%s}\n", commentList[i]);
9901 /* Format move number */
9903 sprintf(numtext, "%d.", (i - offset)/2 + 1);
9906 sprintf(numtext, "%d...", (i - offset)/2 + 1);
9908 numtext[0] = NULLCHAR;
9911 numlen = strlen(numtext);
9914 /* Print move number */
9915 blank = linelen > 0 && numlen > 0;
9916 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
9925 fprintf(f, "%s", numtext);
9929 strcpy(move_buffer, SavePart(parseList[i])); // [HGM] pgn: print move via buffer, so it can be edited
9930 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
9933 blank = linelen > 0 && movelen > 0;
9934 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
9943 fprintf(f, "%s", move_buffer);
9946 /* [AS] Add PV info if present */
9947 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
9948 /* [HGM] add time */
9949 char buf[MSG_SIZ]; int seconds;
9951 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
9953 if( seconds <= 0) buf[0] = 0; else
9954 if( seconds < 30 ) sprintf(buf, " %3.1f%c", seconds/10., 0); else {
9955 seconds = (seconds + 4)/10; // round to full seconds
9956 if( seconds < 60 ) sprintf(buf, " %d%c", seconds, 0); else
9957 sprintf(buf, " %d:%02d%c", seconds/60, seconds%60, 0);
9960 sprintf( move_buffer, "{%s%.2f/%d%s}",
9961 pvInfoList[i].score >= 0 ? "+" : "",
9962 pvInfoList[i].score / 100.0,
9963 pvInfoList[i].depth,
9966 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
9968 /* Print score/depth */
9969 blank = linelen > 0 && movelen > 0;
9970 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
9979 fprintf(f, "%s", move_buffer);
9986 /* Start a new line */
9987 if (linelen > 0) fprintf(f, "\n");
9989 /* Print comments after last move */
9990 if (commentList[i] != NULL) {
9991 fprintf(f, "{\n%s}\n", commentList[i]);
9995 if (gameInfo.resultDetails != NULL &&
9996 gameInfo.resultDetails[0] != NULLCHAR) {
9997 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
9998 PGNResult(gameInfo.result));
10000 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10004 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10008 /* Save game in old style and close the file */
10010 SaveGameOldStyle(f)
10016 tm = time((time_t *) NULL);
10018 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
10021 if (backwardMostMove > 0 || startedFromSetupPosition) {
10022 fprintf(f, "\n[--------------\n");
10023 PrintPosition(f, backwardMostMove);
10024 fprintf(f, "--------------]\n");
10029 i = backwardMostMove;
10030 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10032 while (i < forwardMostMove) {
10033 if (commentList[i] != NULL) {
10034 fprintf(f, "[%s]\n", commentList[i]);
10037 if ((i % 2) == 1) {
10038 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
10041 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
10043 if (commentList[i] != NULL) {
10047 if (i >= forwardMostMove) {
10051 fprintf(f, "%s\n", parseList[i]);
10056 if (commentList[i] != NULL) {
10057 fprintf(f, "[%s]\n", commentList[i]);
10060 /* This isn't really the old style, but it's close enough */
10061 if (gameInfo.resultDetails != NULL &&
10062 gameInfo.resultDetails[0] != NULLCHAR) {
10063 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
10064 gameInfo.resultDetails);
10066 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10073 /* Save the current game to open file f and close the file */
10075 SaveGame(f, dummy, dummy2)
10080 if (gameMode == EditPosition) EditPositionDone(TRUE);
10081 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10082 if (appData.oldSaveStyle)
10083 return SaveGameOldStyle(f);
10085 return SaveGamePGN(f);
10088 /* Save the current position to the given file */
10090 SavePositionToFile(filename)
10096 if (strcmp(filename, "-") == 0) {
10097 return SavePosition(stdout, 0, NULL);
10099 f = fopen(filename, "a");
10101 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10102 DisplayError(buf, errno);
10105 SavePosition(f, 0, NULL);
10111 /* Save the current position to the given open file and close the file */
10113 SavePosition(f, dummy, dummy2)
10121 if (gameMode == EditPosition) EditPositionDone(TRUE);
10122 if (appData.oldSaveStyle) {
10123 tm = time((time_t *) NULL);
10125 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
10127 fprintf(f, "[--------------\n");
10128 PrintPosition(f, currentMove);
10129 fprintf(f, "--------------]\n");
10131 fen = PositionToFEN(currentMove, NULL);
10132 fprintf(f, "%s\n", fen);
10140 ReloadCmailMsgEvent(unregister)
10144 static char *inFilename = NULL;
10145 static char *outFilename;
10147 struct stat inbuf, outbuf;
10150 /* Any registered moves are unregistered if unregister is set, */
10151 /* i.e. invoked by the signal handler */
10153 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
10154 cmailMoveRegistered[i] = FALSE;
10155 if (cmailCommentList[i] != NULL) {
10156 free(cmailCommentList[i]);
10157 cmailCommentList[i] = NULL;
10160 nCmailMovesRegistered = 0;
10163 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
10164 cmailResult[i] = CMAIL_NOT_RESULT;
10168 if (inFilename == NULL) {
10169 /* Because the filenames are static they only get malloced once */
10170 /* and they never get freed */
10171 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
10172 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
10174 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
10175 sprintf(outFilename, "%s.out", appData.cmailGameName);
10178 status = stat(outFilename, &outbuf);
10180 cmailMailedMove = FALSE;
10182 status = stat(inFilename, &inbuf);
10183 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
10186 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
10187 counts the games, notes how each one terminated, etc.
10189 It would be nice to remove this kludge and instead gather all
10190 the information while building the game list. (And to keep it
10191 in the game list nodes instead of having a bunch of fixed-size
10192 parallel arrays.) Note this will require getting each game's
10193 termination from the PGN tags, as the game list builder does
10194 not process the game moves. --mann
10196 cmailMsgLoaded = TRUE;
10197 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
10199 /* Load first game in the file or popup game menu */
10200 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
10202 #endif /* !WIN32 */
10210 char string[MSG_SIZ];
10212 if ( cmailMailedMove
10213 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
10214 return TRUE; /* Allow free viewing */
10217 /* Unregister move to ensure that we don't leave RegisterMove */
10218 /* with the move registered when the conditions for registering no */
10220 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10221 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
10222 nCmailMovesRegistered --;
10224 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
10226 free(cmailCommentList[lastLoadGameNumber - 1]);
10227 cmailCommentList[lastLoadGameNumber - 1] = NULL;
10231 if (cmailOldMove == -1) {
10232 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
10236 if (currentMove > cmailOldMove + 1) {
10237 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
10241 if (currentMove < cmailOldMove) {
10242 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
10246 if (forwardMostMove > currentMove) {
10247 /* Silently truncate extra moves */
10251 if ( (currentMove == cmailOldMove + 1)
10252 || ( (currentMove == cmailOldMove)
10253 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
10254 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
10255 if (gameInfo.result != GameUnfinished) {
10256 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
10259 if (commentList[currentMove] != NULL) {
10260 cmailCommentList[lastLoadGameNumber - 1]
10261 = StrSave(commentList[currentMove]);
10263 strcpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1]);
10265 if (appData.debugMode)
10266 fprintf(debugFP, "Saving %s for game %d\n",
10267 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
10270 "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
10272 f = fopen(string, "w");
10273 if (appData.oldSaveStyle) {
10274 SaveGameOldStyle(f); /* also closes the file */
10276 sprintf(string, "%s.pos.out", appData.cmailGameName);
10277 f = fopen(string, "w");
10278 SavePosition(f, 0, NULL); /* also closes the file */
10280 fprintf(f, "{--------------\n");
10281 PrintPosition(f, currentMove);
10282 fprintf(f, "--------------}\n\n");
10284 SaveGame(f, 0, NULL); /* also closes the file*/
10287 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
10288 nCmailMovesRegistered ++;
10289 } else if (nCmailGames == 1) {
10290 DisplayError(_("You have not made a move yet"), 0);
10301 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
10302 FILE *commandOutput;
10303 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
10304 int nBytes = 0; /* Suppress warnings on uninitialized variables */
10310 if (! cmailMsgLoaded) {
10311 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
10315 if (nCmailGames == nCmailResults) {
10316 DisplayError(_("No unfinished games"), 0);
10320 #if CMAIL_PROHIBIT_REMAIL
10321 if (cmailMailedMove) {
10322 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);
10323 DisplayError(msg, 0);
10328 if (! (cmailMailedMove || RegisterMove())) return;
10330 if ( cmailMailedMove
10331 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
10332 sprintf(string, partCommandString,
10333 appData.debugMode ? " -v" : "", appData.cmailGameName);
10334 commandOutput = popen(string, "r");
10336 if (commandOutput == NULL) {
10337 DisplayError(_("Failed to invoke cmail"), 0);
10339 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
10340 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
10342 if (nBuffers > 1) {
10343 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
10344 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
10345 nBytes = MSG_SIZ - 1;
10347 (void) memcpy(msg, buffer, nBytes);
10349 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
10351 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
10352 cmailMailedMove = TRUE; /* Prevent >1 moves */
10355 for (i = 0; i < nCmailGames; i ++) {
10356 if (cmailResult[i] == CMAIL_NOT_RESULT) {
10361 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
10363 sprintf(buffer, "%s/%s.%s.archive",
10365 appData.cmailGameName,
10367 LoadGameFromFile(buffer, 1, buffer, FALSE);
10368 cmailMsgLoaded = FALSE;
10372 DisplayInformation(msg);
10373 pclose(commandOutput);
10376 if ((*cmailMsg) != '\0') {
10377 DisplayInformation(cmailMsg);
10382 #endif /* !WIN32 */
10391 int prependComma = 0;
10393 char string[MSG_SIZ]; /* Space for game-list */
10396 if (!cmailMsgLoaded) return "";
10398 if (cmailMailedMove) {
10399 sprintf(cmailMsg, _("Waiting for reply from opponent\n"));
10401 /* Create a list of games left */
10402 sprintf(string, "[");
10403 for (i = 0; i < nCmailGames; i ++) {
10404 if (! ( cmailMoveRegistered[i]
10405 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
10406 if (prependComma) {
10407 sprintf(number, ",%d", i + 1);
10409 sprintf(number, "%d", i + 1);
10413 strcat(string, number);
10416 strcat(string, "]");
10418 if (nCmailMovesRegistered + nCmailResults == 0) {
10419 switch (nCmailGames) {
10422 _("Still need to make move for game\n"));
10427 _("Still need to make moves for both games\n"));
10432 _("Still need to make moves for all %d games\n"),
10437 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
10440 _("Still need to make a move for game %s\n"),
10445 if (nCmailResults == nCmailGames) {
10446 sprintf(cmailMsg, _("No unfinished games\n"));
10448 sprintf(cmailMsg, _("Ready to send mail\n"));
10454 _("Still need to make moves for games %s\n"),
10466 if (gameMode == Training)
10467 SetTrainingModeOff();
10470 cmailMsgLoaded = FALSE;
10471 if (appData.icsActive) {
10472 SendToICS(ics_prefix);
10473 SendToICS("refresh\n");
10483 /* Give up on clean exit */
10487 /* Keep trying for clean exit */
10491 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
10493 if (telnetISR != NULL) {
10494 RemoveInputSource(telnetISR);
10496 if (icsPR != NoProc) {
10497 DestroyChildProcess(icsPR, TRUE);
10500 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
10501 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
10503 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
10504 /* make sure this other one finishes before killing it! */
10505 if(endingGame) { int count = 0;
10506 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
10507 while(endingGame && count++ < 10) DoSleep(1);
10508 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
10511 /* Kill off chess programs */
10512 if (first.pr != NoProc) {
10515 DoSleep( appData.delayBeforeQuit );
10516 SendToProgram("quit\n", &first);
10517 DoSleep( appData.delayAfterQuit );
10518 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
10520 if (second.pr != NoProc) {
10521 DoSleep( appData.delayBeforeQuit );
10522 SendToProgram("quit\n", &second);
10523 DoSleep( appData.delayAfterQuit );
10524 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
10526 if (first.isr != NULL) {
10527 RemoveInputSource(first.isr);
10529 if (second.isr != NULL) {
10530 RemoveInputSource(second.isr);
10533 ShutDownFrontEnd();
10540 if (appData.debugMode)
10541 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
10545 if (gameMode == MachinePlaysWhite ||
10546 gameMode == MachinePlaysBlack) {
10549 DisplayBothClocks();
10551 if (gameMode == PlayFromGameFile) {
10552 if (appData.timeDelay >= 0)
10553 AutoPlayGameLoop();
10554 } else if (gameMode == IcsExamining && pauseExamInvalid) {
10555 Reset(FALSE, TRUE);
10556 SendToICS(ics_prefix);
10557 SendToICS("refresh\n");
10558 } else if (currentMove < forwardMostMove) {
10559 ForwardInner(forwardMostMove);
10561 pauseExamInvalid = FALSE;
10563 switch (gameMode) {
10567 pauseExamForwardMostMove = forwardMostMove;
10568 pauseExamInvalid = FALSE;
10571 case IcsPlayingWhite:
10572 case IcsPlayingBlack:
10576 case PlayFromGameFile:
10577 (void) StopLoadGameTimer();
10581 case BeginningOfGame:
10582 if (appData.icsActive) return;
10583 /* else fall through */
10584 case MachinePlaysWhite:
10585 case MachinePlaysBlack:
10586 case TwoMachinesPlay:
10587 if (forwardMostMove == 0)
10588 return; /* don't pause if no one has moved */
10589 if ((gameMode == MachinePlaysWhite &&
10590 !WhiteOnMove(forwardMostMove)) ||
10591 (gameMode == MachinePlaysBlack &&
10592 WhiteOnMove(forwardMostMove))) {
10605 char title[MSG_SIZ];
10607 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
10608 strcpy(title, _("Edit comment"));
10610 sprintf(title, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
10611 WhiteOnMove(currentMove - 1) ? " " : ".. ",
10612 parseList[currentMove - 1]);
10615 EditCommentPopUp(currentMove, title, commentList[currentMove]);
10622 char *tags = PGNTags(&gameInfo);
10623 EditTagsPopUp(tags);
10630 if (appData.noChessProgram || gameMode == AnalyzeMode)
10633 if (gameMode != AnalyzeFile) {
10634 if (!appData.icsEngineAnalyze) {
10636 if (gameMode != EditGame) return;
10638 ResurrectChessProgram();
10639 SendToProgram("analyze\n", &first);
10640 first.analyzing = TRUE;
10641 /*first.maybeThinking = TRUE;*/
10642 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
10643 EngineOutputPopUp();
10645 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
10650 StartAnalysisClock();
10651 GetTimeMark(&lastNodeCountTime);
10658 if (appData.noChessProgram || gameMode == AnalyzeFile)
10661 if (gameMode != AnalyzeMode) {
10663 if (gameMode != EditGame) return;
10664 ResurrectChessProgram();
10665 SendToProgram("analyze\n", &first);
10666 first.analyzing = TRUE;
10667 /*first.maybeThinking = TRUE;*/
10668 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
10669 EngineOutputPopUp();
10671 gameMode = AnalyzeFile;
10676 StartAnalysisClock();
10677 GetTimeMark(&lastNodeCountTime);
10682 MachineWhiteEvent()
10685 char *bookHit = NULL;
10687 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
10691 if (gameMode == PlayFromGameFile ||
10692 gameMode == TwoMachinesPlay ||
10693 gameMode == Training ||
10694 gameMode == AnalyzeMode ||
10695 gameMode == EndOfGame)
10698 if (gameMode == EditPosition)
10699 EditPositionDone(TRUE);
10701 if (!WhiteOnMove(currentMove)) {
10702 DisplayError(_("It is not White's turn"), 0);
10706 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
10709 if (gameMode == EditGame || gameMode == AnalyzeMode ||
10710 gameMode == AnalyzeFile)
10713 ResurrectChessProgram(); /* in case it isn't running */
10714 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
10715 gameMode = MachinePlaysWhite;
10718 gameMode = MachinePlaysWhite;
10722 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
10724 if (first.sendName) {
10725 sprintf(buf, "name %s\n", gameInfo.black);
10726 SendToProgram(buf, &first);
10728 if (first.sendTime) {
10729 if (first.useColors) {
10730 SendToProgram("black\n", &first); /*gnu kludge*/
10732 SendTimeRemaining(&first, TRUE);
10734 if (first.useColors) {
10735 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
10737 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
10738 SetMachineThinkingEnables();
10739 first.maybeThinking = TRUE;
10743 if (appData.autoFlipView && !flipView) {
10744 flipView = !flipView;
10745 DrawPosition(FALSE, NULL);
10746 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
10749 if(bookHit) { // [HGM] book: simulate book reply
10750 static char bookMove[MSG_SIZ]; // a bit generous?
10752 programStats.nodes = programStats.depth = programStats.time =
10753 programStats.score = programStats.got_only_move = 0;
10754 sprintf(programStats.movelist, "%s (xbook)", bookHit);
10756 strcpy(bookMove, "move ");
10757 strcat(bookMove, bookHit);
10758 HandleMachineMove(bookMove, &first);
10763 MachineBlackEvent()
10766 char *bookHit = NULL;
10768 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
10772 if (gameMode == PlayFromGameFile ||
10773 gameMode == TwoMachinesPlay ||
10774 gameMode == Training ||
10775 gameMode == AnalyzeMode ||
10776 gameMode == EndOfGame)
10779 if (gameMode == EditPosition)
10780 EditPositionDone(TRUE);
10782 if (WhiteOnMove(currentMove)) {
10783 DisplayError(_("It is not Black's turn"), 0);
10787 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
10790 if (gameMode == EditGame || gameMode == AnalyzeMode ||
10791 gameMode == AnalyzeFile)
10794 ResurrectChessProgram(); /* in case it isn't running */
10795 gameMode = MachinePlaysBlack;
10799 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
10801 if (first.sendName) {
10802 sprintf(buf, "name %s\n", gameInfo.white);
10803 SendToProgram(buf, &first);
10805 if (first.sendTime) {
10806 if (first.useColors) {
10807 SendToProgram("white\n", &first); /*gnu kludge*/
10809 SendTimeRemaining(&first, FALSE);
10811 if (first.useColors) {
10812 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
10814 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
10815 SetMachineThinkingEnables();
10816 first.maybeThinking = TRUE;
10819 if (appData.autoFlipView && flipView) {
10820 flipView = !flipView;
10821 DrawPosition(FALSE, NULL);
10822 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
10824 if(bookHit) { // [HGM] book: simulate book reply
10825 static char bookMove[MSG_SIZ]; // a bit generous?
10827 programStats.nodes = programStats.depth = programStats.time =
10828 programStats.score = programStats.got_only_move = 0;
10829 sprintf(programStats.movelist, "%s (xbook)", bookHit);
10831 strcpy(bookMove, "move ");
10832 strcat(bookMove, bookHit);
10833 HandleMachineMove(bookMove, &first);
10839 DisplayTwoMachinesTitle()
10842 if (appData.matchGames > 0) {
10843 if (first.twoMachinesColor[0] == 'w') {
10844 sprintf(buf, "%s vs. %s (%d-%d-%d)",
10845 gameInfo.white, gameInfo.black,
10846 first.matchWins, second.matchWins,
10847 matchGame - 1 - (first.matchWins + second.matchWins));
10849 sprintf(buf, "%s vs. %s (%d-%d-%d)",
10850 gameInfo.white, gameInfo.black,
10851 second.matchWins, first.matchWins,
10852 matchGame - 1 - (first.matchWins + second.matchWins));
10855 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
10861 TwoMachinesEvent P((void))
10865 ChessProgramState *onmove;
10866 char *bookHit = NULL;
10868 if (appData.noChessProgram) return;
10870 switch (gameMode) {
10871 case TwoMachinesPlay:
10873 case MachinePlaysWhite:
10874 case MachinePlaysBlack:
10875 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
10876 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
10880 case BeginningOfGame:
10881 case PlayFromGameFile:
10884 if (gameMode != EditGame) return;
10887 EditPositionDone(TRUE);
10898 forwardMostMove = currentMove;
10899 ResurrectChessProgram(); /* in case first program isn't running */
10901 if (second.pr == NULL) {
10902 StartChessProgram(&second);
10903 if (second.protocolVersion == 1) {
10904 TwoMachinesEventIfReady();
10906 /* kludge: allow timeout for initial "feature" command */
10908 DisplayMessage("", _("Starting second chess program"));
10909 ScheduleDelayedEvent(TwoMachinesEventIfReady, FEATURE_TIMEOUT);
10913 DisplayMessage("", "");
10914 InitChessProgram(&second, FALSE);
10915 SendToProgram("force\n", &second);
10916 if (startedFromSetupPosition) {
10917 SendBoard(&second, backwardMostMove);
10918 if (appData.debugMode) {
10919 fprintf(debugFP, "Two Machines\n");
10922 for (i = backwardMostMove; i < forwardMostMove; i++) {
10923 SendMoveToProgram(i, &second);
10926 gameMode = TwoMachinesPlay;
10930 DisplayTwoMachinesTitle();
10932 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
10938 SendToProgram(first.computerString, &first);
10939 if (first.sendName) {
10940 sprintf(buf, "name %s\n", second.tidy);
10941 SendToProgram(buf, &first);
10943 SendToProgram(second.computerString, &second);
10944 if (second.sendName) {
10945 sprintf(buf, "name %s\n", first.tidy);
10946 SendToProgram(buf, &second);
10950 if (!first.sendTime || !second.sendTime) {
10951 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10952 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10954 if (onmove->sendTime) {
10955 if (onmove->useColors) {
10956 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
10958 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
10960 if (onmove->useColors) {
10961 SendToProgram(onmove->twoMachinesColor, onmove);
10963 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
10964 // SendToProgram("go\n", onmove);
10965 onmove->maybeThinking = TRUE;
10966 SetMachineThinkingEnables();
10970 if(bookHit) { // [HGM] book: simulate book reply
10971 static char bookMove[MSG_SIZ]; // a bit generous?
10973 programStats.nodes = programStats.depth = programStats.time =
10974 programStats.score = programStats.got_only_move = 0;
10975 sprintf(programStats.movelist, "%s (xbook)", bookHit);
10977 strcpy(bookMove, "move ");
10978 strcat(bookMove, bookHit);
10979 savedMessage = bookMove; // args for deferred call
10980 savedState = onmove;
10981 ScheduleDelayedEvent(DeferredBookMove, 1);
10988 if (gameMode == Training) {
10989 SetTrainingModeOff();
10990 gameMode = PlayFromGameFile;
10991 DisplayMessage("", _("Training mode off"));
10993 gameMode = Training;
10994 animateTraining = appData.animate;
10996 /* make sure we are not already at the end of the game */
10997 if (currentMove < forwardMostMove) {
10998 SetTrainingModeOn();
10999 DisplayMessage("", _("Training mode on"));
11001 gameMode = PlayFromGameFile;
11002 DisplayError(_("Already at end of game"), 0);
11011 if (!appData.icsActive) return;
11012 switch (gameMode) {
11013 case IcsPlayingWhite:
11014 case IcsPlayingBlack:
11017 case BeginningOfGame:
11025 EditPositionDone(TRUE);
11038 gameMode = IcsIdle;
11049 switch (gameMode) {
11051 SetTrainingModeOff();
11053 case MachinePlaysWhite:
11054 case MachinePlaysBlack:
11055 case BeginningOfGame:
11056 SendToProgram("force\n", &first);
11057 SetUserThinkingEnables();
11059 case PlayFromGameFile:
11060 (void) StopLoadGameTimer();
11061 if (gameFileFP != NULL) {
11066 EditPositionDone(TRUE);
11071 SendToProgram("force\n", &first);
11073 case TwoMachinesPlay:
11074 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
11075 ResurrectChessProgram();
11076 SetUserThinkingEnables();
11079 ResurrectChessProgram();
11081 case IcsPlayingBlack:
11082 case IcsPlayingWhite:
11083 DisplayError(_("Warning: You are still playing a game"), 0);
11086 DisplayError(_("Warning: You are still observing a game"), 0);
11089 DisplayError(_("Warning: You are still examining a game"), 0);
11100 first.offeredDraw = second.offeredDraw = 0;
11102 if (gameMode == PlayFromGameFile) {
11103 whiteTimeRemaining = timeRemaining[0][currentMove];
11104 blackTimeRemaining = timeRemaining[1][currentMove];
11108 if (gameMode == MachinePlaysWhite ||
11109 gameMode == MachinePlaysBlack ||
11110 gameMode == TwoMachinesPlay ||
11111 gameMode == EndOfGame) {
11112 i = forwardMostMove;
11113 while (i > currentMove) {
11114 SendToProgram("undo\n", &first);
11117 whiteTimeRemaining = timeRemaining[0][currentMove];
11118 blackTimeRemaining = timeRemaining[1][currentMove];
11119 DisplayBothClocks();
11120 if (whiteFlag || blackFlag) {
11121 whiteFlag = blackFlag = 0;
11126 gameMode = EditGame;
11133 EditPositionEvent()
11135 if (gameMode == EditPosition) {
11141 if (gameMode != EditGame) return;
11143 gameMode = EditPosition;
11146 if (currentMove > 0)
11147 CopyBoard(boards[0], boards[currentMove]);
11149 blackPlaysFirst = !WhiteOnMove(currentMove);
11151 currentMove = forwardMostMove = backwardMostMove = 0;
11152 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11159 /* [DM] icsEngineAnalyze - possible call from other functions */
11160 if (appData.icsEngineAnalyze) {
11161 appData.icsEngineAnalyze = FALSE;
11163 DisplayMessage("",_("Close ICS engine analyze..."));
11165 if (first.analysisSupport && first.analyzing) {
11166 SendToProgram("exit\n", &first);
11167 first.analyzing = FALSE;
11169 thinkOutput[0] = NULLCHAR;
11173 EditPositionDone(Boolean fakeRights)
11175 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
11177 startedFromSetupPosition = TRUE;
11178 InitChessProgram(&first, FALSE);
11180 { /* don't do this if we just pasted FEN */
11181 castlingRights[0][2] = castlingRights[0][5] = BOARD_WIDTH>>1;
11182 if(boards[0][0][BOARD_WIDTH>>1] == king)
11184 castlingRights[0][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : -1;
11185 castlingRights[0][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : -1;
11188 castlingRights[0][2] = -1;
11189 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king)
11191 castlingRights[0][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : -1;
11192 castlingRights[0][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : -1;
11195 castlingRights[0][5] = -1;
11197 SendToProgram("force\n", &first);
11198 if (blackPlaysFirst) {
11199 strcpy(moveList[0], "");
11200 strcpy(parseList[0], "");
11201 currentMove = forwardMostMove = backwardMostMove = 1;
11202 CopyBoard(boards[1], boards[0]);
11203 /* [HGM] copy rights as well, as this code is also used after pasting a FEN */
11205 epStatus[1] = epStatus[0];
11206 for(i=0; i<nrCastlingRights; i++) castlingRights[1][i] = castlingRights[0][i];
11209 currentMove = forwardMostMove = backwardMostMove = 0;
11211 SendBoard(&first, forwardMostMove);
11212 if (appData.debugMode) {
11213 fprintf(debugFP, "EditPosDone\n");
11216 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11217 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11218 gameMode = EditGame;
11220 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11221 ClearHighlights(); /* [AS] */
11224 /* Pause for `ms' milliseconds */
11225 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
11235 } while (SubtractTimeMarks(&m2, &m1) < ms);
11238 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
11240 SendMultiLineToICS(buf)
11243 char temp[MSG_SIZ+1], *p;
11250 strncpy(temp, buf, len);
11255 if (*p == '\n' || *p == '\r')
11260 strcat(temp, "\n");
11262 SendToPlayer(temp, strlen(temp));
11266 SetWhiteToPlayEvent()
11268 if (gameMode == EditPosition) {
11269 blackPlaysFirst = FALSE;
11270 DisplayBothClocks(); /* works because currentMove is 0 */
11271 } else if (gameMode == IcsExamining) {
11272 SendToICS(ics_prefix);
11273 SendToICS("tomove white\n");
11278 SetBlackToPlayEvent()
11280 if (gameMode == EditPosition) {
11281 blackPlaysFirst = TRUE;
11282 currentMove = 1; /* kludge */
11283 DisplayBothClocks();
11285 } else if (gameMode == IcsExamining) {
11286 SendToICS(ics_prefix);
11287 SendToICS("tomove black\n");
11292 EditPositionMenuEvent(selection, x, y)
11293 ChessSquare selection;
11297 ChessSquare piece = boards[0][y][x];
11299 if (gameMode != EditPosition && gameMode != IcsExamining) return;
11301 switch (selection) {
11303 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
11304 SendToICS(ics_prefix);
11305 SendToICS("bsetup clear\n");
11306 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
11307 SendToICS(ics_prefix);
11308 SendToICS("clearboard\n");
11310 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
11311 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
11312 for (y = 0; y < BOARD_HEIGHT; y++) {
11313 if (gameMode == IcsExamining) {
11314 if (boards[currentMove][y][x] != EmptySquare) {
11315 sprintf(buf, "%sx@%c%c\n", ics_prefix,
11320 boards[0][y][x] = p;
11325 if (gameMode == EditPosition) {
11326 DrawPosition(FALSE, boards[0]);
11331 SetWhiteToPlayEvent();
11335 SetBlackToPlayEvent();
11339 if (gameMode == IcsExamining) {
11340 sprintf(buf, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
11343 boards[0][y][x] = EmptySquare;
11344 DrawPosition(FALSE, boards[0]);
11349 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
11350 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
11351 selection = (ChessSquare) (PROMOTED piece);
11352 } else if(piece == EmptySquare) selection = WhiteSilver;
11353 else selection = (ChessSquare)((int)piece - 1);
11357 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
11358 piece > (int)BlackMan && piece <= (int)BlackKing ) {
11359 selection = (ChessSquare) (DEMOTED piece);
11360 } else if(piece == EmptySquare) selection = BlackSilver;
11361 else selection = (ChessSquare)((int)piece + 1);
11366 if(gameInfo.variant == VariantShatranj ||
11367 gameInfo.variant == VariantXiangqi ||
11368 gameInfo.variant == VariantCourier )
11369 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
11374 if(gameInfo.variant == VariantXiangqi)
11375 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
11376 if(gameInfo.variant == VariantKnightmate)
11377 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
11380 if (gameMode == IcsExamining) {
11381 sprintf(buf, "%s%c@%c%c\n", ics_prefix,
11382 PieceToChar(selection), AAA + x, ONE + y);
11385 boards[0][y][x] = selection;
11386 DrawPosition(FALSE, boards[0]);
11394 DropMenuEvent(selection, x, y)
11395 ChessSquare selection;
11398 ChessMove moveType;
11400 switch (gameMode) {
11401 case IcsPlayingWhite:
11402 case MachinePlaysBlack:
11403 if (!WhiteOnMove(currentMove)) {
11404 DisplayMoveError(_("It is Black's turn"));
11407 moveType = WhiteDrop;
11409 case IcsPlayingBlack:
11410 case MachinePlaysWhite:
11411 if (WhiteOnMove(currentMove)) {
11412 DisplayMoveError(_("It is White's turn"));
11415 moveType = BlackDrop;
11418 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
11424 if (moveType == BlackDrop && selection < BlackPawn) {
11425 selection = (ChessSquare) ((int) selection
11426 + (int) BlackPawn - (int) WhitePawn);
11428 if (boards[currentMove][y][x] != EmptySquare) {
11429 DisplayMoveError(_("That square is occupied"));
11433 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
11439 /* Accept a pending offer of any kind from opponent */
11441 if (appData.icsActive) {
11442 SendToICS(ics_prefix);
11443 SendToICS("accept\n");
11444 } else if (cmailMsgLoaded) {
11445 if (currentMove == cmailOldMove &&
11446 commentList[cmailOldMove] != NULL &&
11447 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
11448 "Black offers a draw" : "White offers a draw")) {
11450 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11451 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
11453 DisplayError(_("There is no pending offer on this move"), 0);
11454 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11457 /* Not used for offers from chess program */
11464 /* Decline a pending offer of any kind from opponent */
11466 if (appData.icsActive) {
11467 SendToICS(ics_prefix);
11468 SendToICS("decline\n");
11469 } else if (cmailMsgLoaded) {
11470 if (currentMove == cmailOldMove &&
11471 commentList[cmailOldMove] != NULL &&
11472 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
11473 "Black offers a draw" : "White offers a draw")) {
11475 AppendComment(cmailOldMove, "Draw declined");
11476 DisplayComment(cmailOldMove - 1, "Draw declined");
11479 DisplayError(_("There is no pending offer on this move"), 0);
11482 /* Not used for offers from chess program */
11489 /* Issue ICS rematch command */
11490 if (appData.icsActive) {
11491 SendToICS(ics_prefix);
11492 SendToICS("rematch\n");
11499 /* Call your opponent's flag (claim a win on time) */
11500 if (appData.icsActive) {
11501 SendToICS(ics_prefix);
11502 SendToICS("flag\n");
11504 switch (gameMode) {
11507 case MachinePlaysWhite:
11510 GameEnds(GameIsDrawn, "Both players ran out of time",
11513 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
11515 DisplayError(_("Your opponent is not out of time"), 0);
11518 case MachinePlaysBlack:
11521 GameEnds(GameIsDrawn, "Both players ran out of time",
11524 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
11526 DisplayError(_("Your opponent is not out of time"), 0);
11536 /* Offer draw or accept pending draw offer from opponent */
11538 if (appData.icsActive) {
11539 /* Note: tournament rules require draw offers to be
11540 made after you make your move but before you punch
11541 your clock. Currently ICS doesn't let you do that;
11542 instead, you immediately punch your clock after making
11543 a move, but you can offer a draw at any time. */
11545 SendToICS(ics_prefix);
11546 SendToICS("draw\n");
11547 } else if (cmailMsgLoaded) {
11548 if (currentMove == cmailOldMove &&
11549 commentList[cmailOldMove] != NULL &&
11550 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
11551 "Black offers a draw" : "White offers a draw")) {
11552 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11553 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
11554 } else if (currentMove == cmailOldMove + 1) {
11555 char *offer = WhiteOnMove(cmailOldMove) ?
11556 "White offers a draw" : "Black offers a draw";
11557 AppendComment(currentMove, offer);
11558 DisplayComment(currentMove - 1, offer);
11559 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
11561 DisplayError(_("You must make your move before offering a draw"), 0);
11562 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11564 } else if (first.offeredDraw) {
11565 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
11567 if (first.sendDrawOffers) {
11568 SendToProgram("draw\n", &first);
11569 userOfferedDraw = TRUE;
11577 /* Offer Adjourn or accept pending Adjourn offer from opponent */
11579 if (appData.icsActive) {
11580 SendToICS(ics_prefix);
11581 SendToICS("adjourn\n");
11583 /* Currently GNU Chess doesn't offer or accept Adjourns */
11591 /* Offer Abort or accept pending Abort offer from opponent */
11593 if (appData.icsActive) {
11594 SendToICS(ics_prefix);
11595 SendToICS("abort\n");
11597 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
11604 /* Resign. You can do this even if it's not your turn. */
11606 if (appData.icsActive) {
11607 SendToICS(ics_prefix);
11608 SendToICS("resign\n");
11610 switch (gameMode) {
11611 case MachinePlaysWhite:
11612 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11614 case MachinePlaysBlack:
11615 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11618 if (cmailMsgLoaded) {
11620 if (WhiteOnMove(cmailOldMove)) {
11621 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11623 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11625 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
11636 StopObservingEvent()
11638 /* Stop observing current games */
11639 SendToICS(ics_prefix);
11640 SendToICS("unobserve\n");
11644 StopExaminingEvent()
11646 /* Stop observing current game */
11647 SendToICS(ics_prefix);
11648 SendToICS("unexamine\n");
11652 ForwardInner(target)
11657 if (appData.debugMode)
11658 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
11659 target, currentMove, forwardMostMove);
11661 if (gameMode == EditPosition)
11664 if (gameMode == PlayFromGameFile && !pausing)
11667 if (gameMode == IcsExamining && pausing)
11668 limit = pauseExamForwardMostMove;
11670 limit = forwardMostMove;
11672 if (target > limit) target = limit;
11674 if (target > 0 && moveList[target - 1][0]) {
11675 int fromX, fromY, toX, toY;
11676 toX = moveList[target - 1][2] - AAA;
11677 toY = moveList[target - 1][3] - ONE;
11678 if (moveList[target - 1][1] == '@') {
11679 if (appData.highlightLastMove) {
11680 SetHighlights(-1, -1, toX, toY);
11683 fromX = moveList[target - 1][0] - AAA;
11684 fromY = moveList[target - 1][1] - ONE;
11685 if (target == currentMove + 1) {
11686 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11688 if (appData.highlightLastMove) {
11689 SetHighlights(fromX, fromY, toX, toY);
11693 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11694 gameMode == Training || gameMode == PlayFromGameFile ||
11695 gameMode == AnalyzeFile) {
11696 while (currentMove < target) {
11697 SendMoveToProgram(currentMove++, &first);
11700 currentMove = target;
11703 if (gameMode == EditGame || gameMode == EndOfGame) {
11704 whiteTimeRemaining = timeRemaining[0][currentMove];
11705 blackTimeRemaining = timeRemaining[1][currentMove];
11707 DisplayBothClocks();
11708 DisplayMove(currentMove - 1);
11709 DrawPosition(FALSE, boards[currentMove]);
11710 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
11711 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
11712 DisplayComment(currentMove - 1, commentList[currentMove]);
11720 if (gameMode == IcsExamining && !pausing) {
11721 SendToICS(ics_prefix);
11722 SendToICS("forward\n");
11724 ForwardInner(currentMove + 1);
11731 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
11732 /* to optimze, we temporarily turn off analysis mode while we feed
11733 * the remaining moves to the engine. Otherwise we get analysis output
11736 if (first.analysisSupport) {
11737 SendToProgram("exit\nforce\n", &first);
11738 first.analyzing = FALSE;
11742 if (gameMode == IcsExamining && !pausing) {
11743 SendToICS(ics_prefix);
11744 SendToICS("forward 999999\n");
11746 ForwardInner(forwardMostMove);
11749 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
11750 /* we have fed all the moves, so reactivate analysis mode */
11751 SendToProgram("analyze\n", &first);
11752 first.analyzing = TRUE;
11753 /*first.maybeThinking = TRUE;*/
11754 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11759 BackwardInner(target)
11762 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
11764 if (appData.debugMode)
11765 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
11766 target, currentMove, forwardMostMove);
11768 if (gameMode == EditPosition) return;
11769 if (currentMove <= backwardMostMove) {
11771 DrawPosition(full_redraw, boards[currentMove]);
11774 if (gameMode == PlayFromGameFile && !pausing)
11777 if (moveList[target][0]) {
11778 int fromX, fromY, toX, toY;
11779 toX = moveList[target][2] - AAA;
11780 toY = moveList[target][3] - ONE;
11781 if (moveList[target][1] == '@') {
11782 if (appData.highlightLastMove) {
11783 SetHighlights(-1, -1, toX, toY);
11786 fromX = moveList[target][0] - AAA;
11787 fromY = moveList[target][1] - ONE;
11788 if (target == currentMove - 1) {
11789 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
11791 if (appData.highlightLastMove) {
11792 SetHighlights(fromX, fromY, toX, toY);
11796 if (gameMode == EditGame || gameMode==AnalyzeMode ||
11797 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
11798 while (currentMove > target) {
11799 SendToProgram("undo\n", &first);
11803 currentMove = target;
11806 if (gameMode == EditGame || gameMode == EndOfGame) {
11807 whiteTimeRemaining = timeRemaining[0][currentMove];
11808 blackTimeRemaining = timeRemaining[1][currentMove];
11810 DisplayBothClocks();
11811 DisplayMove(currentMove - 1);
11812 DrawPosition(full_redraw, boards[currentMove]);
11813 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
11814 // [HGM] PV info: routine tests if comment empty
11815 DisplayComment(currentMove - 1, commentList[currentMove]);
11821 if (gameMode == IcsExamining && !pausing) {
11822 SendToICS(ics_prefix);
11823 SendToICS("backward\n");
11825 BackwardInner(currentMove - 1);
11832 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
11833 /* to optimize, we temporarily turn off analysis mode while we undo
11834 * all the moves. Otherwise we get analysis output after each undo.
11836 if (first.analysisSupport) {
11837 SendToProgram("exit\nforce\n", &first);
11838 first.analyzing = FALSE;
11842 if (gameMode == IcsExamining && !pausing) {
11843 SendToICS(ics_prefix);
11844 SendToICS("backward 999999\n");
11846 BackwardInner(backwardMostMove);
11849 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
11850 /* we have fed all the moves, so reactivate analysis mode */
11851 SendToProgram("analyze\n", &first);
11852 first.analyzing = TRUE;
11853 /*first.maybeThinking = TRUE;*/
11854 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11861 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
11862 if (to >= forwardMostMove) to = forwardMostMove;
11863 if (to <= backwardMostMove) to = backwardMostMove;
11864 if (to < currentMove) {
11874 if (gameMode != IcsExamining) {
11875 DisplayError(_("You are not examining a game"), 0);
11879 DisplayError(_("You can't revert while pausing"), 0);
11882 SendToICS(ics_prefix);
11883 SendToICS("revert\n");
11889 switch (gameMode) {
11890 case MachinePlaysWhite:
11891 case MachinePlaysBlack:
11892 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11893 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11896 if (forwardMostMove < 2) return;
11897 currentMove = forwardMostMove = forwardMostMove - 2;
11898 whiteTimeRemaining = timeRemaining[0][currentMove];
11899 blackTimeRemaining = timeRemaining[1][currentMove];
11900 DisplayBothClocks();
11901 DisplayMove(currentMove - 1);
11902 ClearHighlights();/*!! could figure this out*/
11903 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
11904 SendToProgram("remove\n", &first);
11905 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
11908 case BeginningOfGame:
11912 case IcsPlayingWhite:
11913 case IcsPlayingBlack:
11914 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
11915 SendToICS(ics_prefix);
11916 SendToICS("takeback 2\n");
11918 SendToICS(ics_prefix);
11919 SendToICS("takeback 1\n");
11928 ChessProgramState *cps;
11930 switch (gameMode) {
11931 case MachinePlaysWhite:
11932 if (!WhiteOnMove(forwardMostMove)) {
11933 DisplayError(_("It is your turn"), 0);
11938 case MachinePlaysBlack:
11939 if (WhiteOnMove(forwardMostMove)) {
11940 DisplayError(_("It is your turn"), 0);
11945 case TwoMachinesPlay:
11946 if (WhiteOnMove(forwardMostMove) ==
11947 (first.twoMachinesColor[0] == 'w')) {
11953 case BeginningOfGame:
11957 SendToProgram("?\n", cps);
11961 TruncateGameEvent()
11964 if (gameMode != EditGame) return;
11971 if (forwardMostMove > currentMove) {
11972 if (gameInfo.resultDetails != NULL) {
11973 free(gameInfo.resultDetails);
11974 gameInfo.resultDetails = NULL;
11975 gameInfo.result = GameUnfinished;
11977 forwardMostMove = currentMove;
11978 HistorySet(parseList, backwardMostMove, forwardMostMove,
11986 if (appData.noChessProgram) return;
11987 switch (gameMode) {
11988 case MachinePlaysWhite:
11989 if (WhiteOnMove(forwardMostMove)) {
11990 DisplayError(_("Wait until your turn"), 0);
11994 case BeginningOfGame:
11995 case MachinePlaysBlack:
11996 if (!WhiteOnMove(forwardMostMove)) {
11997 DisplayError(_("Wait until your turn"), 0);
12002 DisplayError(_("No hint available"), 0);
12005 SendToProgram("hint\n", &first);
12006 hintRequested = TRUE;
12012 if (appData.noChessProgram) return;
12013 switch (gameMode) {
12014 case MachinePlaysWhite:
12015 if (WhiteOnMove(forwardMostMove)) {
12016 DisplayError(_("Wait until your turn"), 0);
12020 case BeginningOfGame:
12021 case MachinePlaysBlack:
12022 if (!WhiteOnMove(forwardMostMove)) {
12023 DisplayError(_("Wait until your turn"), 0);
12028 EditPositionDone(TRUE);
12030 case TwoMachinesPlay:
12035 SendToProgram("bk\n", &first);
12036 bookOutput[0] = NULLCHAR;
12037 bookRequested = TRUE;
12043 char *tags = PGNTags(&gameInfo);
12044 TagsPopUp(tags, CmailMsg());
12048 /* end button procedures */
12051 PrintPosition(fp, move)
12057 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12058 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
12059 char c = PieceToChar(boards[move][i][j]);
12060 fputc(c == 'x' ? '.' : c, fp);
12061 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
12064 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
12065 fprintf(fp, "white to play\n");
12067 fprintf(fp, "black to play\n");
12074 if (gameInfo.white != NULL) {
12075 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
12081 /* Find last component of program's own name, using some heuristics */
12083 TidyProgramName(prog, host, buf)
12084 char *prog, *host, buf[MSG_SIZ];
12087 int local = (strcmp(host, "localhost") == 0);
12088 while (!local && (p = strchr(prog, ';')) != NULL) {
12090 while (*p == ' ') p++;
12093 if (*prog == '"' || *prog == '\'') {
12094 q = strchr(prog + 1, *prog);
12096 q = strchr(prog, ' ');
12098 if (q == NULL) q = prog + strlen(prog);
12100 while (p >= prog && *p != '/' && *p != '\\') p--;
12102 if(p == prog && *p == '"') p++;
12103 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
12104 memcpy(buf, p, q - p);
12105 buf[q - p] = NULLCHAR;
12113 TimeControlTagValue()
12116 if (!appData.clockMode) {
12118 } else if (movesPerSession > 0) {
12119 sprintf(buf, "%d/%ld", movesPerSession, timeControl/1000);
12120 } else if (timeIncrement == 0) {
12121 sprintf(buf, "%ld", timeControl/1000);
12123 sprintf(buf, "%ld+%ld", timeControl/1000, timeIncrement/1000);
12125 return StrSave(buf);
12131 /* This routine is used only for certain modes */
12132 VariantClass v = gameInfo.variant;
12133 ClearGameInfo(&gameInfo);
12134 gameInfo.variant = v;
12136 switch (gameMode) {
12137 case MachinePlaysWhite:
12138 gameInfo.event = StrSave( appData.pgnEventHeader );
12139 gameInfo.site = StrSave(HostName());
12140 gameInfo.date = PGNDate();
12141 gameInfo.round = StrSave("-");
12142 gameInfo.white = StrSave(first.tidy);
12143 gameInfo.black = StrSave(UserName());
12144 gameInfo.timeControl = TimeControlTagValue();
12147 case MachinePlaysBlack:
12148 gameInfo.event = StrSave( appData.pgnEventHeader );
12149 gameInfo.site = StrSave(HostName());
12150 gameInfo.date = PGNDate();
12151 gameInfo.round = StrSave("-");
12152 gameInfo.white = StrSave(UserName());
12153 gameInfo.black = StrSave(first.tidy);
12154 gameInfo.timeControl = TimeControlTagValue();
12157 case TwoMachinesPlay:
12158 gameInfo.event = StrSave( appData.pgnEventHeader );
12159 gameInfo.site = StrSave(HostName());
12160 gameInfo.date = PGNDate();
12161 if (matchGame > 0) {
12163 sprintf(buf, "%d", matchGame);
12164 gameInfo.round = StrSave(buf);
12166 gameInfo.round = StrSave("-");
12168 if (first.twoMachinesColor[0] == 'w') {
12169 gameInfo.white = StrSave(first.tidy);
12170 gameInfo.black = StrSave(second.tidy);
12172 gameInfo.white = StrSave(second.tidy);
12173 gameInfo.black = StrSave(first.tidy);
12175 gameInfo.timeControl = TimeControlTagValue();
12179 gameInfo.event = StrSave("Edited game");
12180 gameInfo.site = StrSave(HostName());
12181 gameInfo.date = PGNDate();
12182 gameInfo.round = StrSave("-");
12183 gameInfo.white = StrSave("-");
12184 gameInfo.black = StrSave("-");
12188 gameInfo.event = StrSave("Edited position");
12189 gameInfo.site = StrSave(HostName());
12190 gameInfo.date = PGNDate();
12191 gameInfo.round = StrSave("-");
12192 gameInfo.white = StrSave("-");
12193 gameInfo.black = StrSave("-");
12196 case IcsPlayingWhite:
12197 case IcsPlayingBlack:
12202 case PlayFromGameFile:
12203 gameInfo.event = StrSave("Game from non-PGN file");
12204 gameInfo.site = StrSave(HostName());
12205 gameInfo.date = PGNDate();
12206 gameInfo.round = StrSave("-");
12207 gameInfo.white = StrSave("?");
12208 gameInfo.black = StrSave("?");
12217 ReplaceComment(index, text)
12223 while (*text == '\n') text++;
12224 len = strlen(text);
12225 while (len > 0 && text[len - 1] == '\n') len--;
12227 if (commentList[index] != NULL)
12228 free(commentList[index]);
12231 commentList[index] = NULL;
12234 commentList[index] = (char *) malloc(len + 2);
12235 strncpy(commentList[index], text, len);
12236 commentList[index][len] = '\n';
12237 commentList[index][len + 1] = NULLCHAR;
12250 if (ch == '\r') continue;
12252 } while (ch != '\0');
12256 AppendComment(index, text)
12263 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
12266 while (*text == '\n') text++;
12267 len = strlen(text);
12268 while (len > 0 && text[len - 1] == '\n') len--;
12270 if (len == 0) return;
12272 if (commentList[index] != NULL) {
12273 old = commentList[index];
12274 oldlen = strlen(old);
12275 commentList[index] = (char *) malloc(oldlen + len + 2);
12276 strcpy(commentList[index], old);
12278 strncpy(&commentList[index][oldlen], text, len);
12279 commentList[index][oldlen + len] = '\n';
12280 commentList[index][oldlen + len + 1] = NULLCHAR;
12282 commentList[index] = (char *) malloc(len + 2);
12283 strncpy(commentList[index], text, len);
12284 commentList[index][len] = '\n';
12285 commentList[index][len + 1] = NULLCHAR;
12289 static char * FindStr( char * text, char * sub_text )
12291 char * result = strstr( text, sub_text );
12293 if( result != NULL ) {
12294 result += strlen( sub_text );
12300 /* [AS] Try to extract PV info from PGN comment */
12301 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
12302 char *GetInfoFromComment( int index, char * text )
12306 if( text != NULL && index > 0 ) {
12309 int time = -1, sec = 0, deci;
12310 char * s_eval = FindStr( text, "[%eval " );
12311 char * s_emt = FindStr( text, "[%emt " );
12313 if( s_eval != NULL || s_emt != NULL ) {
12317 if( s_eval != NULL ) {
12318 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
12322 if( delim != ']' ) {
12327 if( s_emt != NULL ) {
12331 /* We expect something like: [+|-]nnn.nn/dd */
12334 sep = strchr( text, '/' );
12335 if( sep == NULL || sep < (text+4) ) {
12339 time = -1; sec = -1; deci = -1;
12340 if( sscanf( text, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
12341 sscanf( text, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
12342 sscanf( text, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
12343 sscanf( text, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
12347 if( score_lo < 0 || score_lo >= 100 ) {
12351 if(sec >= 0) time = 600*time + 10*sec; else
12352 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
12354 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
12356 /* [HGM] PV time: now locate end of PV info */
12357 while( *++sep >= '0' && *sep <= '9'); // strip depth
12359 while( *++sep >= '0' && *sep <= '9'); // strip time
12361 while( *++sep >= '0' && *sep <= '9'); // strip seconds
12363 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
12364 while(*sep == ' ') sep++;
12375 pvInfoList[index-1].depth = depth;
12376 pvInfoList[index-1].score = score;
12377 pvInfoList[index-1].time = 10*time; // centi-sec
12383 SendToProgram(message, cps)
12385 ChessProgramState *cps;
12387 int count, outCount, error;
12390 if (cps->pr == NULL) return;
12393 if (appData.debugMode) {
12396 fprintf(debugFP, "%ld >%-6s: %s",
12397 SubtractTimeMarks(&now, &programStartTime),
12398 cps->which, message);
12401 count = strlen(message);
12402 outCount = OutputToProcess(cps->pr, message, count, &error);
12403 if (outCount < count && !exiting
12404 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
12405 sprintf(buf, _("Error writing to %s chess program"), cps->which);
12406 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
12407 if(epStatus[forwardMostMove] <= EP_DRAWS) {
12408 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
12409 sprintf(buf, "%s program exits in draw position (%s)", cps->which, cps->program);
12411 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
12413 gameInfo.resultDetails = StrSave(buf);
12415 DisplayFatalError(buf, error, 1);
12420 ReceiveFromProgram(isr, closure, message, count, error)
12421 InputSourceRef isr;
12429 ChessProgramState *cps = (ChessProgramState *)closure;
12431 if (isr != cps->isr) return; /* Killed intentionally */
12435 _("Error: %s chess program (%s) exited unexpectedly"),
12436 cps->which, cps->program);
12437 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
12438 if(epStatus[forwardMostMove] <= EP_DRAWS) {
12439 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
12440 sprintf(buf, _("%s program exits in draw position (%s)"), cps->which, cps->program);
12442 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
12444 gameInfo.resultDetails = StrSave(buf);
12446 RemoveInputSource(cps->isr);
12447 DisplayFatalError(buf, 0, 1);
12450 _("Error reading from %s chess program (%s)"),
12451 cps->which, cps->program);
12452 RemoveInputSource(cps->isr);
12454 /* [AS] Program is misbehaving badly... kill it */
12455 if( count == -2 ) {
12456 DestroyChildProcess( cps->pr, 9 );
12460 DisplayFatalError(buf, error, 1);
12465 if ((end_str = strchr(message, '\r')) != NULL)
12466 *end_str = NULLCHAR;
12467 if ((end_str = strchr(message, '\n')) != NULL)
12468 *end_str = NULLCHAR;
12470 if (appData.debugMode) {
12471 TimeMark now; int print = 1;
12472 char *quote = ""; char c; int i;
12474 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
12475 char start = message[0];
12476 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
12477 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
12478 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
12479 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
12480 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
12481 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
12482 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
12483 sscanf(message, "pong %c", &c)!=1 && start != '#')
12484 { quote = "# "; print = (appData.engineComments == 2); }
12485 message[0] = start; // restore original message
12489 fprintf(debugFP, "%ld <%-6s: %s%s\n",
12490 SubtractTimeMarks(&now, &programStartTime), cps->which,
12496 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
12497 if (appData.icsEngineAnalyze) {
12498 if (strstr(message, "whisper") != NULL ||
12499 strstr(message, "kibitz") != NULL ||
12500 strstr(message, "tellics") != NULL) return;
12503 HandleMachineMove(message, cps);
12508 SendTimeControl(cps, mps, tc, inc, sd, st)
12509 ChessProgramState *cps;
12510 int mps, inc, sd, st;
12516 if( timeControl_2 > 0 ) {
12517 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
12518 tc = timeControl_2;
12521 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
12522 inc /= cps->timeOdds;
12523 st /= cps->timeOdds;
12525 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
12528 /* Set exact time per move, normally using st command */
12529 if (cps->stKludge) {
12530 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
12532 if (seconds == 0) {
12533 sprintf(buf, "level 1 %d\n", st/60);
12535 sprintf(buf, "level 1 %d:%02d\n", st/60, seconds);
12538 sprintf(buf, "st %d\n", st);
12541 /* Set conventional or incremental time control, using level command */
12542 if (seconds == 0) {
12543 /* Note old gnuchess bug -- minutes:seconds used to not work.
12544 Fixed in later versions, but still avoid :seconds
12545 when seconds is 0. */
12546 sprintf(buf, "level %d %ld %d\n", mps, tc/60000, inc/1000);
12548 sprintf(buf, "level %d %ld:%02d %d\n", mps, tc/60000,
12549 seconds, inc/1000);
12552 SendToProgram(buf, cps);
12554 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
12555 /* Orthogonally, limit search to given depth */
12557 if (cps->sdKludge) {
12558 sprintf(buf, "depth\n%d\n", sd);
12560 sprintf(buf, "sd %d\n", sd);
12562 SendToProgram(buf, cps);
12565 if(cps->nps > 0) { /* [HGM] nps */
12566 if(cps->supportsNPS == FALSE) cps->nps = -1; // don't use if engine explicitly says not supported!
12568 sprintf(buf, "nps %d\n", cps->nps);
12569 SendToProgram(buf, cps);
12574 ChessProgramState *WhitePlayer()
12575 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
12577 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
12578 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
12584 SendTimeRemaining(cps, machineWhite)
12585 ChessProgramState *cps;
12586 int /*boolean*/ machineWhite;
12588 char message[MSG_SIZ];
12591 /* Note: this routine must be called when the clocks are stopped
12592 or when they have *just* been set or switched; otherwise
12593 it will be off by the time since the current tick started.
12595 if (machineWhite) {
12596 time = whiteTimeRemaining / 10;
12597 otime = blackTimeRemaining / 10;
12599 time = blackTimeRemaining / 10;
12600 otime = whiteTimeRemaining / 10;
12602 /* [HGM] translate opponent's time by time-odds factor */
12603 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
12604 if (appData.debugMode) {
12605 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
12608 if (time <= 0) time = 1;
12609 if (otime <= 0) otime = 1;
12611 sprintf(message, "time %ld\n", time);
12612 SendToProgram(message, cps);
12614 sprintf(message, "otim %ld\n", otime);
12615 SendToProgram(message, cps);
12619 BoolFeature(p, name, loc, cps)
12623 ChessProgramState *cps;
12626 int len = strlen(name);
12628 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
12630 sscanf(*p, "%d", &val);
12632 while (**p && **p != ' ') (*p)++;
12633 sprintf(buf, "accepted %s\n", name);
12634 SendToProgram(buf, cps);
12641 IntFeature(p, name, loc, cps)
12645 ChessProgramState *cps;
12648 int len = strlen(name);
12649 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
12651 sscanf(*p, "%d", loc);
12652 while (**p && **p != ' ') (*p)++;
12653 sprintf(buf, "accepted %s\n", name);
12654 SendToProgram(buf, cps);
12661 StringFeature(p, name, loc, cps)
12665 ChessProgramState *cps;
12668 int len = strlen(name);
12669 if (strncmp((*p), name, len) == 0
12670 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
12672 sscanf(*p, "%[^\"]", loc);
12673 while (**p && **p != '\"') (*p)++;
12674 if (**p == '\"') (*p)++;
12675 sprintf(buf, "accepted %s\n", name);
12676 SendToProgram(buf, cps);
12683 ParseOption(Option *opt, ChessProgramState *cps)
12684 // [HGM] options: process the string that defines an engine option, and determine
12685 // name, type, default value, and allowed value range
12687 char *p, *q, buf[MSG_SIZ];
12688 int n, min = (-1)<<31, max = 1<<31, def;
12690 if(p = strstr(opt->name, " -spin ")) {
12691 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
12692 if(max < min) max = min; // enforce consistency
12693 if(def < min) def = min;
12694 if(def > max) def = max;
12699 } else if((p = strstr(opt->name, " -slider "))) {
12700 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
12701 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
12702 if(max < min) max = min; // enforce consistency
12703 if(def < min) def = min;
12704 if(def > max) def = max;
12708 opt->type = Spin; // Slider;
12709 } else if((p = strstr(opt->name, " -string "))) {
12710 opt->textValue = p+9;
12711 opt->type = TextBox;
12712 } else if((p = strstr(opt->name, " -file "))) {
12713 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
12714 opt->textValue = p+7;
12715 opt->type = TextBox; // FileName;
12716 } else if((p = strstr(opt->name, " -path "))) {
12717 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
12718 opt->textValue = p+7;
12719 opt->type = TextBox; // PathName;
12720 } else if(p = strstr(opt->name, " -check ")) {
12721 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
12722 opt->value = (def != 0);
12723 opt->type = CheckBox;
12724 } else if(p = strstr(opt->name, " -combo ")) {
12725 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
12726 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
12727 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
12728 opt->value = n = 0;
12729 while(q = StrStr(q, " /// ")) {
12730 n++; *q = 0; // count choices, and null-terminate each of them
12732 if(*q == '*') { // remember default, which is marked with * prefix
12736 cps->comboList[cps->comboCnt++] = q;
12738 cps->comboList[cps->comboCnt++] = NULL;
12740 opt->type = ComboBox;
12741 } else if(p = strstr(opt->name, " -button")) {
12742 opt->type = Button;
12743 } else if(p = strstr(opt->name, " -save")) {
12744 opt->type = SaveButton;
12745 } else return FALSE;
12746 *p = 0; // terminate option name
12747 // now look if the command-line options define a setting for this engine option.
12748 if(cps->optionSettings && cps->optionSettings[0])
12749 p = strstr(cps->optionSettings, opt->name); else p = NULL;
12750 if(p && (p == cps->optionSettings || p[-1] == ',')) {
12751 sprintf(buf, "option %s", p);
12752 if(p = strstr(buf, ",")) *p = 0;
12754 SendToProgram(buf, cps);
12760 FeatureDone(cps, val)
12761 ChessProgramState* cps;
12764 DelayedEventCallback cb = GetDelayedEvent();
12765 if ((cb == InitBackEnd3 && cps == &first) ||
12766 (cb == TwoMachinesEventIfReady && cps == &second)) {
12767 CancelDelayedEvent();
12768 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
12770 cps->initDone = val;
12773 /* Parse feature command from engine */
12775 ParseFeatures(args, cps)
12777 ChessProgramState *cps;
12785 while (*p == ' ') p++;
12786 if (*p == NULLCHAR) return;
12788 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
12789 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
12790 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
12791 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
12792 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
12793 if (BoolFeature(&p, "reuse", &val, cps)) {
12794 /* Engine can disable reuse, but can't enable it if user said no */
12795 if (!val) cps->reuse = FALSE;
12798 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
12799 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
12800 if (gameMode == TwoMachinesPlay) {
12801 DisplayTwoMachinesTitle();
12807 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
12808 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
12809 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
12810 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
12811 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
12812 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
12813 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
12814 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
12815 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
12816 if (IntFeature(&p, "done", &val, cps)) {
12817 FeatureDone(cps, val);
12820 /* Added by Tord: */
12821 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
12822 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
12823 /* End of additions by Tord */
12825 /* [HGM] added features: */
12826 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
12827 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
12828 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
12829 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
12830 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
12831 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
12832 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
12833 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
12834 sprintf(buf, "rejected option %s\n", cps->option[--cps->nrOptions].name);
12835 SendToProgram(buf, cps);
12838 if(cps->nrOptions >= MAX_OPTIONS) {
12840 sprintf(buf, "%s engine has too many options\n", cps->which);
12841 DisplayError(buf, 0);
12845 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
12846 /* End of additions by HGM */
12848 /* unknown feature: complain and skip */
12850 while (*q && *q != '=') q++;
12851 sprintf(buf, "rejected %.*s\n", (int)(q-p), p);
12852 SendToProgram(buf, cps);
12858 while (*p && *p != '\"') p++;
12859 if (*p == '\"') p++;
12861 while (*p && *p != ' ') p++;
12869 PeriodicUpdatesEvent(newState)
12872 if (newState == appData.periodicUpdates)
12875 appData.periodicUpdates=newState;
12877 /* Display type changes, so update it now */
12878 // DisplayAnalysis();
12880 /* Get the ball rolling again... */
12882 AnalysisPeriodicEvent(1);
12883 StartAnalysisClock();
12888 PonderNextMoveEvent(newState)
12891 if (newState == appData.ponderNextMove) return;
12892 if (gameMode == EditPosition) EditPositionDone(TRUE);
12894 SendToProgram("hard\n", &first);
12895 if (gameMode == TwoMachinesPlay) {
12896 SendToProgram("hard\n", &second);
12899 SendToProgram("easy\n", &first);
12900 thinkOutput[0] = NULLCHAR;
12901 if (gameMode == TwoMachinesPlay) {
12902 SendToProgram("easy\n", &second);
12905 appData.ponderNextMove = newState;
12909 NewSettingEvent(option, command, value)
12915 if (gameMode == EditPosition) EditPositionDone(TRUE);
12916 sprintf(buf, "%s%s %d\n", (option ? "option ": ""), command, value);
12917 SendToProgram(buf, &first);
12918 if (gameMode == TwoMachinesPlay) {
12919 SendToProgram(buf, &second);
12924 ShowThinkingEvent()
12925 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
12927 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
12928 int newState = appData.showThinking
12929 // [HGM] thinking: other features now need thinking output as well
12930 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
12932 if (oldState == newState) return;
12933 oldState = newState;
12934 if (gameMode == EditPosition) EditPositionDone(TRUE);
12936 SendToProgram("post\n", &first);
12937 if (gameMode == TwoMachinesPlay) {
12938 SendToProgram("post\n", &second);
12941 SendToProgram("nopost\n", &first);
12942 thinkOutput[0] = NULLCHAR;
12943 if (gameMode == TwoMachinesPlay) {
12944 SendToProgram("nopost\n", &second);
12947 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
12951 AskQuestionEvent(title, question, replyPrefix, which)
12952 char *title; char *question; char *replyPrefix; char *which;
12954 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
12955 if (pr == NoProc) return;
12956 AskQuestion(title, question, replyPrefix, pr);
12960 DisplayMove(moveNumber)
12963 char message[MSG_SIZ];
12965 char cpThinkOutput[MSG_SIZ];
12967 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
12969 if (moveNumber == forwardMostMove - 1 ||
12970 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12972 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput));
12974 if (strchr(cpThinkOutput, '\n')) {
12975 *strchr(cpThinkOutput, '\n') = NULLCHAR;
12978 *cpThinkOutput = NULLCHAR;
12981 /* [AS] Hide thinking from human user */
12982 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
12983 *cpThinkOutput = NULLCHAR;
12984 if( thinkOutput[0] != NULLCHAR ) {
12987 for( i=0; i<=hiddenThinkOutputState; i++ ) {
12988 cpThinkOutput[i] = '.';
12990 cpThinkOutput[i] = NULLCHAR;
12991 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
12995 if (moveNumber == forwardMostMove - 1 &&
12996 gameInfo.resultDetails != NULL) {
12997 if (gameInfo.resultDetails[0] == NULLCHAR) {
12998 sprintf(res, " %s", PGNResult(gameInfo.result));
13000 sprintf(res, " {%s} %s",
13001 gameInfo.resultDetails, PGNResult(gameInfo.result));
13007 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
13008 DisplayMessage(res, cpThinkOutput);
13010 sprintf(message, "%d.%s%s%s", moveNumber / 2 + 1,
13011 WhiteOnMove(moveNumber) ? " " : ".. ",
13012 parseList[moveNumber], res);
13013 DisplayMessage(message, cpThinkOutput);
13018 DisplayComment(moveNumber, text)
13022 char title[MSG_SIZ];
13023 char buf[8000]; // comment can be long!
13026 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
13027 strcpy(title, "Comment");
13029 sprintf(title, "Comment on %d.%s%s", moveNumber / 2 + 1,
13030 WhiteOnMove(moveNumber) ? " " : ".. ",
13031 parseList[moveNumber]);
13033 // [HGM] PV info: display PV info together with (or as) comment
13034 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
13035 if(text == NULL) text = "";
13036 score = pvInfoList[moveNumber].score;
13037 sprintf(buf, "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
13038 depth, (pvInfoList[moveNumber].time+50)/100, text);
13041 if (text != NULL && (appData.autoDisplayComment || commentUp))
13042 CommentPopUp(title, text);
13045 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
13046 * might be busy thinking or pondering. It can be omitted if your
13047 * gnuchess is configured to stop thinking immediately on any user
13048 * input. However, that gnuchess feature depends on the FIONREAD
13049 * ioctl, which does not work properly on some flavors of Unix.
13053 ChessProgramState *cps;
13056 if (!cps->useSigint) return;
13057 if (appData.noChessProgram || (cps->pr == NoProc)) return;
13058 switch (gameMode) {
13059 case MachinePlaysWhite:
13060 case MachinePlaysBlack:
13061 case TwoMachinesPlay:
13062 case IcsPlayingWhite:
13063 case IcsPlayingBlack:
13066 /* Skip if we know it isn't thinking */
13067 if (!cps->maybeThinking) return;
13068 if (appData.debugMode)
13069 fprintf(debugFP, "Interrupting %s\n", cps->which);
13070 InterruptChildProcess(cps->pr);
13071 cps->maybeThinking = FALSE;
13076 #endif /*ATTENTION*/
13082 if (whiteTimeRemaining <= 0) {
13085 if (appData.icsActive) {
13086 if (appData.autoCallFlag &&
13087 gameMode == IcsPlayingBlack && !blackFlag) {
13088 SendToICS(ics_prefix);
13089 SendToICS("flag\n");
13093 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
13095 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
13096 if (appData.autoCallFlag) {
13097 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
13104 if (blackTimeRemaining <= 0) {
13107 if (appData.icsActive) {
13108 if (appData.autoCallFlag &&
13109 gameMode == IcsPlayingWhite && !whiteFlag) {
13110 SendToICS(ics_prefix);
13111 SendToICS("flag\n");
13115 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
13117 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
13118 if (appData.autoCallFlag) {
13119 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
13132 if (!appData.clockMode || appData.icsActive ||
13133 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
13136 * add time to clocks when time control is achieved ([HGM] now also used for increment)
13138 if ( !WhiteOnMove(forwardMostMove) )
13139 /* White made time control */
13140 whiteTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
13141 /* [HGM] time odds: correct new time quota for time odds! */
13142 / WhitePlayer()->timeOdds;
13144 /* Black made time control */
13145 blackTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
13146 / WhitePlayer()->other->timeOdds;
13150 DisplayBothClocks()
13152 int wom = gameMode == EditPosition ?
13153 !blackPlaysFirst : WhiteOnMove(currentMove);
13154 DisplayWhiteClock(whiteTimeRemaining, wom);
13155 DisplayBlackClock(blackTimeRemaining, !wom);
13159 /* Timekeeping seems to be a portability nightmare. I think everyone
13160 has ftime(), but I'm really not sure, so I'm including some ifdefs
13161 to use other calls if you don't. Clocks will be less accurate if
13162 you have neither ftime nor gettimeofday.
13165 /* VS 2008 requires the #include outside of the function */
13166 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
13167 #include <sys/timeb.h>
13170 /* Get the current time as a TimeMark */
13175 #if HAVE_GETTIMEOFDAY
13177 struct timeval timeVal;
13178 struct timezone timeZone;
13180 gettimeofday(&timeVal, &timeZone);
13181 tm->sec = (long) timeVal.tv_sec;
13182 tm->ms = (int) (timeVal.tv_usec / 1000L);
13184 #else /*!HAVE_GETTIMEOFDAY*/
13187 // include <sys/timeb.h> / moved to just above start of function
13188 struct timeb timeB;
13191 tm->sec = (long) timeB.time;
13192 tm->ms = (int) timeB.millitm;
13194 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
13195 tm->sec = (long) time(NULL);
13201 /* Return the difference in milliseconds between two
13202 time marks. We assume the difference will fit in a long!
13205 SubtractTimeMarks(tm2, tm1)
13206 TimeMark *tm2, *tm1;
13208 return 1000L*(tm2->sec - tm1->sec) +
13209 (long) (tm2->ms - tm1->ms);
13214 * Code to manage the game clocks.
13216 * In tournament play, black starts the clock and then white makes a move.
13217 * We give the human user a slight advantage if he is playing white---the
13218 * clocks don't run until he makes his first move, so it takes zero time.
13219 * Also, we don't account for network lag, so we could get out of sync
13220 * with GNU Chess's clock -- but then, referees are always right.
13223 static TimeMark tickStartTM;
13224 static long intendedTickLength;
13227 NextTickLength(timeRemaining)
13228 long timeRemaining;
13230 long nominalTickLength, nextTickLength;
13232 if (timeRemaining > 0L && timeRemaining <= 10000L)
13233 nominalTickLength = 100L;
13235 nominalTickLength = 1000L;
13236 nextTickLength = timeRemaining % nominalTickLength;
13237 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
13239 return nextTickLength;
13242 /* Adjust clock one minute up or down */
13244 AdjustClock(Boolean which, int dir)
13246 if(which) blackTimeRemaining += 60000*dir;
13247 else whiteTimeRemaining += 60000*dir;
13248 DisplayBothClocks();
13251 /* Stop clocks and reset to a fresh time control */
13255 (void) StopClockTimer();
13256 if (appData.icsActive) {
13257 whiteTimeRemaining = blackTimeRemaining = 0;
13258 } else { /* [HGM] correct new time quote for time odds */
13259 whiteTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->timeOdds;
13260 blackTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->other->timeOdds;
13262 if (whiteFlag || blackFlag) {
13264 whiteFlag = blackFlag = FALSE;
13266 DisplayBothClocks();
13269 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
13271 /* Decrement running clock by amount of time that has passed */
13275 long timeRemaining;
13276 long lastTickLength, fudge;
13279 if (!appData.clockMode) return;
13280 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
13284 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
13286 /* Fudge if we woke up a little too soon */
13287 fudge = intendedTickLength - lastTickLength;
13288 if (fudge < 0 || fudge > FUDGE) fudge = 0;
13290 if (WhiteOnMove(forwardMostMove)) {
13291 if(whiteNPS >= 0) lastTickLength = 0;
13292 timeRemaining = whiteTimeRemaining -= lastTickLength;
13293 DisplayWhiteClock(whiteTimeRemaining - fudge,
13294 WhiteOnMove(currentMove));
13296 if(blackNPS >= 0) lastTickLength = 0;
13297 timeRemaining = blackTimeRemaining -= lastTickLength;
13298 DisplayBlackClock(blackTimeRemaining - fudge,
13299 !WhiteOnMove(currentMove));
13302 if (CheckFlags()) return;
13305 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
13306 StartClockTimer(intendedTickLength);
13308 /* if the time remaining has fallen below the alarm threshold, sound the
13309 * alarm. if the alarm has sounded and (due to a takeback or time control
13310 * with increment) the time remaining has increased to a level above the
13311 * threshold, reset the alarm so it can sound again.
13314 if (appData.icsActive && appData.icsAlarm) {
13316 /* make sure we are dealing with the user's clock */
13317 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
13318 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
13321 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
13322 alarmSounded = FALSE;
13323 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
13325 alarmSounded = TRUE;
13331 /* A player has just moved, so stop the previously running
13332 clock and (if in clock mode) start the other one.
13333 We redisplay both clocks in case we're in ICS mode, because
13334 ICS gives us an update to both clocks after every move.
13335 Note that this routine is called *after* forwardMostMove
13336 is updated, so the last fractional tick must be subtracted
13337 from the color that is *not* on move now.
13342 long lastTickLength;
13344 int flagged = FALSE;
13348 if (StopClockTimer() && appData.clockMode) {
13349 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
13350 if (WhiteOnMove(forwardMostMove)) {
13351 if(blackNPS >= 0) lastTickLength = 0;
13352 blackTimeRemaining -= lastTickLength;
13353 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
13354 // if(pvInfoList[forwardMostMove-1].time == -1)
13355 pvInfoList[forwardMostMove-1].time = // use GUI time
13356 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
13358 if(whiteNPS >= 0) lastTickLength = 0;
13359 whiteTimeRemaining -= lastTickLength;
13360 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
13361 // if(pvInfoList[forwardMostMove-1].time == -1)
13362 pvInfoList[forwardMostMove-1].time =
13363 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
13365 flagged = CheckFlags();
13367 CheckTimeControl();
13369 if (flagged || !appData.clockMode) return;
13371 switch (gameMode) {
13372 case MachinePlaysBlack:
13373 case MachinePlaysWhite:
13374 case BeginningOfGame:
13375 if (pausing) return;
13379 case PlayFromGameFile:
13388 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
13389 whiteTimeRemaining : blackTimeRemaining);
13390 StartClockTimer(intendedTickLength);
13394 /* Stop both clocks */
13398 long lastTickLength;
13401 if (!StopClockTimer()) return;
13402 if (!appData.clockMode) return;
13406 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
13407 if (WhiteOnMove(forwardMostMove)) {
13408 if(whiteNPS >= 0) lastTickLength = 0;
13409 whiteTimeRemaining -= lastTickLength;
13410 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
13412 if(blackNPS >= 0) lastTickLength = 0;
13413 blackTimeRemaining -= lastTickLength;
13414 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
13419 /* Start clock of player on move. Time may have been reset, so
13420 if clock is already running, stop and restart it. */
13424 (void) StopClockTimer(); /* in case it was running already */
13425 DisplayBothClocks();
13426 if (CheckFlags()) return;
13428 if (!appData.clockMode) return;
13429 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
13431 GetTimeMark(&tickStartTM);
13432 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
13433 whiteTimeRemaining : blackTimeRemaining);
13435 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
13436 whiteNPS = blackNPS = -1;
13437 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
13438 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
13439 whiteNPS = first.nps;
13440 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
13441 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
13442 blackNPS = first.nps;
13443 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
13444 whiteNPS = second.nps;
13445 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
13446 blackNPS = second.nps;
13447 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
13449 StartClockTimer(intendedTickLength);
13456 long second, minute, hour, day;
13458 static char buf[32];
13460 if (ms > 0 && ms <= 9900) {
13461 /* convert milliseconds to tenths, rounding up */
13462 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
13464 sprintf(buf, " %03.1f ", tenths/10.0);
13468 /* convert milliseconds to seconds, rounding up */
13469 /* use floating point to avoid strangeness of integer division
13470 with negative dividends on many machines */
13471 second = (long) floor(((double) (ms + 999L)) / 1000.0);
13478 day = second / (60 * 60 * 24);
13479 second = second % (60 * 60 * 24);
13480 hour = second / (60 * 60);
13481 second = second % (60 * 60);
13482 minute = second / 60;
13483 second = second % 60;
13486 sprintf(buf, " %s%ld:%02ld:%02ld:%02ld ",
13487 sign, day, hour, minute, second);
13489 sprintf(buf, " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
13491 sprintf(buf, " %s%2ld:%02ld ", sign, minute, second);
13498 * This is necessary because some C libraries aren't ANSI C compliant yet.
13501 StrStr(string, match)
13502 char *string, *match;
13506 length = strlen(match);
13508 for (i = strlen(string) - length; i >= 0; i--, string++)
13509 if (!strncmp(match, string, length))
13516 StrCaseStr(string, match)
13517 char *string, *match;
13521 length = strlen(match);
13523 for (i = strlen(string) - length; i >= 0; i--, string++) {
13524 for (j = 0; j < length; j++) {
13525 if (ToLower(match[j]) != ToLower(string[j]))
13528 if (j == length) return string;
13542 c1 = ToLower(*s1++);
13543 c2 = ToLower(*s2++);
13544 if (c1 > c2) return 1;
13545 if (c1 < c2) return -1;
13546 if (c1 == NULLCHAR) return 0;
13555 return isupper(c) ? tolower(c) : c;
13563 return islower(c) ? toupper(c) : c;
13565 #endif /* !_amigados */
13573 if ((ret = (char *) malloc(strlen(s) + 1))) {
13580 StrSavePtr(s, savePtr)
13581 char *s, **savePtr;
13586 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
13587 strcpy(*savePtr, s);
13599 clock = time((time_t *)NULL);
13600 tm = localtime(&clock);
13601 sprintf(buf, "%04d.%02d.%02d",
13602 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
13603 return StrSave(buf);
13608 PositionToFEN(move, overrideCastling)
13610 char *overrideCastling;
13612 int i, j, fromX, fromY, toX, toY;
13619 whiteToPlay = (gameMode == EditPosition) ?
13620 !blackPlaysFirst : (move % 2 == 0);
13623 /* Piece placement data */
13624 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13626 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
13627 if (boards[move][i][j] == EmptySquare) {
13629 } else { ChessSquare piece = boards[move][i][j];
13630 if (emptycount > 0) {
13631 if(emptycount<10) /* [HGM] can be >= 10 */
13632 *p++ = '0' + emptycount;
13633 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
13636 if(PieceToChar(piece) == '+') {
13637 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
13639 piece = (ChessSquare)(DEMOTED piece);
13641 *p++ = PieceToChar(piece);
13643 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
13644 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
13649 if (emptycount > 0) {
13650 if(emptycount<10) /* [HGM] can be >= 10 */
13651 *p++ = '0' + emptycount;
13652 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
13659 /* [HGM] print Crazyhouse or Shogi holdings */
13660 if( gameInfo.holdingsWidth ) {
13661 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
13663 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
13664 piece = boards[move][i][BOARD_WIDTH-1];
13665 if( piece != EmptySquare )
13666 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
13667 *p++ = PieceToChar(piece);
13669 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
13670 piece = boards[move][BOARD_HEIGHT-i-1][0];
13671 if( piece != EmptySquare )
13672 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
13673 *p++ = PieceToChar(piece);
13676 if( q == p ) *p++ = '-';
13682 *p++ = whiteToPlay ? 'w' : 'b';
13685 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
13686 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
13688 if(nrCastlingRights) {
13690 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
13691 /* [HGM] write directly from rights */
13692 if(castlingRights[move][2] >= 0 &&
13693 castlingRights[move][0] >= 0 )
13694 *p++ = castlingRights[move][0] + AAA + 'A' - 'a';
13695 if(castlingRights[move][2] >= 0 &&
13696 castlingRights[move][1] >= 0 )
13697 *p++ = castlingRights[move][1] + AAA + 'A' - 'a';
13698 if(castlingRights[move][5] >= 0 &&
13699 castlingRights[move][3] >= 0 )
13700 *p++ = castlingRights[move][3] + AAA;
13701 if(castlingRights[move][5] >= 0 &&
13702 castlingRights[move][4] >= 0 )
13703 *p++ = castlingRights[move][4] + AAA;
13706 /* [HGM] write true castling rights */
13707 if( nrCastlingRights == 6 ) {
13708 if(castlingRights[move][0] == BOARD_RGHT-1 &&
13709 castlingRights[move][2] >= 0 ) *p++ = 'K';
13710 if(castlingRights[move][1] == BOARD_LEFT &&
13711 castlingRights[move][2] >= 0 ) *p++ = 'Q';
13712 if(castlingRights[move][3] == BOARD_RGHT-1 &&
13713 castlingRights[move][5] >= 0 ) *p++ = 'k';
13714 if(castlingRights[move][4] == BOARD_LEFT &&
13715 castlingRights[move][5] >= 0 ) *p++ = 'q';
13718 if (q == p) *p++ = '-'; /* No castling rights */
13722 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
13723 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier ) {
13724 /* En passant target square */
13725 if (move > backwardMostMove) {
13726 fromX = moveList[move - 1][0] - AAA;
13727 fromY = moveList[move - 1][1] - ONE;
13728 toX = moveList[move - 1][2] - AAA;
13729 toY = moveList[move - 1][3] - ONE;
13730 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
13731 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
13732 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
13734 /* 2-square pawn move just happened */
13736 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
13740 } else if(move == backwardMostMove) {
13741 // [HGM] perhaps we should always do it like this, and forget the above?
13742 if(epStatus[move] >= 0) {
13743 *p++ = epStatus[move] + AAA;
13744 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
13755 /* [HGM] find reversible plies */
13756 { int i = 0, j=move;
13758 if (appData.debugMode) { int k;
13759 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
13760 for(k=backwardMostMove; k<=forwardMostMove; k++)
13761 fprintf(debugFP, "e%d. p=%d\n", k, epStatus[k]);
13765 while(j > backwardMostMove && epStatus[j] <= EP_NONE) j--,i++;
13766 if( j == backwardMostMove ) i += initialRulePlies;
13767 sprintf(p, "%d ", i);
13768 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
13770 /* Fullmove number */
13771 sprintf(p, "%d", (move / 2) + 1);
13773 return StrSave(buf);
13777 ParseFEN(board, blackPlaysFirst, fen)
13779 int *blackPlaysFirst;
13789 /* [HGM] by default clear Crazyhouse holdings, if present */
13790 if(gameInfo.holdingsWidth) {
13791 for(i=0; i<BOARD_HEIGHT; i++) {
13792 board[i][0] = EmptySquare; /* black holdings */
13793 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
13794 board[i][1] = (ChessSquare) 0; /* black counts */
13795 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
13799 /* Piece placement data */
13800 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13803 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
13804 if (*p == '/') p++;
13805 emptycount = gameInfo.boardWidth - j;
13806 while (emptycount--)
13807 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
13809 #if(BOARD_SIZE >= 10)
13810 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
13811 p++; emptycount=10;
13812 if (j + emptycount > gameInfo.boardWidth) return FALSE;
13813 while (emptycount--)
13814 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
13816 } else if (isdigit(*p)) {
13817 emptycount = *p++ - '0';
13818 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
13819 if (j + emptycount > gameInfo.boardWidth) return FALSE;
13820 while (emptycount--)
13821 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
13822 } else if (*p == '+' || isalpha(*p)) {
13823 if (j >= gameInfo.boardWidth) return FALSE;
13825 piece = CharToPiece(*++p);
13826 if(piece == EmptySquare) return FALSE; /* unknown piece */
13827 piece = (ChessSquare) (PROMOTED piece ); p++;
13828 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
13829 } else piece = CharToPiece(*p++);
13831 if(piece==EmptySquare) return FALSE; /* unknown piece */
13832 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
13833 piece = (ChessSquare) (PROMOTED piece);
13834 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
13837 board[i][(j++)+gameInfo.holdingsWidth] = piece;
13843 while (*p == '/' || *p == ' ') p++;
13845 /* [HGM] look for Crazyhouse holdings here */
13846 while(*p==' ') p++;
13847 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
13849 if(*p == '-' ) *p++; /* empty holdings */ else {
13850 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
13851 /* if we would allow FEN reading to set board size, we would */
13852 /* have to add holdings and shift the board read so far here */
13853 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
13855 if((int) piece >= (int) BlackPawn ) {
13856 i = (int)piece - (int)BlackPawn;
13857 i = PieceToNumber((ChessSquare)i);
13858 if( i >= gameInfo.holdingsSize ) return FALSE;
13859 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
13860 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
13862 i = (int)piece - (int)WhitePawn;
13863 i = PieceToNumber((ChessSquare)i);
13864 if( i >= gameInfo.holdingsSize ) return FALSE;
13865 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
13866 board[i][BOARD_WIDTH-2]++; /* black holdings */
13870 if(*p == ']') *p++;
13873 while(*p == ' ') p++;
13878 *blackPlaysFirst = FALSE;
13881 *blackPlaysFirst = TRUE;
13887 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
13888 /* return the extra info in global variiables */
13890 /* set defaults in case FEN is incomplete */
13891 FENepStatus = EP_UNKNOWN;
13892 for(i=0; i<nrCastlingRights; i++ ) {
13893 FENcastlingRights[i] =
13894 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? -1 : initialRights[i];
13895 } /* assume possible unless obviously impossible */
13896 if(initialRights[0]>=0 && board[castlingRank[0]][initialRights[0]] != WhiteRook) FENcastlingRights[0] = -1;
13897 if(initialRights[1]>=0 && board[castlingRank[1]][initialRights[1]] != WhiteRook) FENcastlingRights[1] = -1;
13898 if(initialRights[2]>=0 && board[castlingRank[2]][initialRights[2]] != WhiteKing) FENcastlingRights[2] = -1;
13899 if(initialRights[3]>=0 && board[castlingRank[3]][initialRights[3]] != BlackRook) FENcastlingRights[3] = -1;
13900 if(initialRights[4]>=0 && board[castlingRank[4]][initialRights[4]] != BlackRook) FENcastlingRights[4] = -1;
13901 if(initialRights[5]>=0 && board[castlingRank[5]][initialRights[5]] != BlackKing) FENcastlingRights[5] = -1;
13904 while(*p==' ') p++;
13905 if(nrCastlingRights) {
13906 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
13907 /* castling indicator present, so default becomes no castlings */
13908 for(i=0; i<nrCastlingRights; i++ ) {
13909 FENcastlingRights[i] = -1;
13912 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
13913 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
13914 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
13915 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
13916 char c = *p++; int whiteKingFile=-1, blackKingFile=-1;
13918 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
13919 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
13920 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
13924 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
13925 FENcastlingRights[0] = i != whiteKingFile ? i : -1;
13926 FENcastlingRights[2] = whiteKingFile;
13929 for(i=BOARD_LEFT; board[0][i]!=WhiteRook && i<whiteKingFile; i++);
13930 FENcastlingRights[1] = i != whiteKingFile ? i : -1;
13931 FENcastlingRights[2] = whiteKingFile;
13934 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
13935 FENcastlingRights[3] = i != blackKingFile ? i : -1;
13936 FENcastlingRights[5] = blackKingFile;
13939 for(i=BOARD_LEFT; board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
13940 FENcastlingRights[4] = i != blackKingFile ? i : -1;
13941 FENcastlingRights[5] = blackKingFile;
13944 default: /* FRC castlings */
13945 if(c >= 'a') { /* black rights */
13946 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
13947 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
13948 if(i == BOARD_RGHT) break;
13949 FENcastlingRights[5] = i;
13951 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
13952 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
13954 FENcastlingRights[3] = c;
13956 FENcastlingRights[4] = c;
13957 } else { /* white rights */
13958 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
13959 if(board[0][i] == WhiteKing) break;
13960 if(i == BOARD_RGHT) break;
13961 FENcastlingRights[2] = i;
13962 c -= AAA - 'a' + 'A';
13963 if(board[0][c] >= WhiteKing) break;
13965 FENcastlingRights[0] = c;
13967 FENcastlingRights[1] = c;
13971 if (appData.debugMode) {
13972 fprintf(debugFP, "FEN castling rights:");
13973 for(i=0; i<nrCastlingRights; i++)
13974 fprintf(debugFP, " %d", FENcastlingRights[i]);
13975 fprintf(debugFP, "\n");
13978 while(*p==' ') p++;
13981 /* read e.p. field in games that know e.p. capture */
13982 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
13983 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier ) {
13985 p++; FENepStatus = EP_NONE;
13987 char c = *p++ - AAA;
13989 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
13990 if(*p >= '0' && *p <='9') *p++;
13996 if(sscanf(p, "%d", &i) == 1) {
13997 FENrulePlies = i; /* 50-move ply counter */
13998 /* (The move number is still ignored) */
14005 EditPositionPasteFEN(char *fen)
14008 Board initial_position;
14010 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
14011 DisplayError(_("Bad FEN position in clipboard"), 0);
14014 int savedBlackPlaysFirst = blackPlaysFirst;
14015 EditPositionEvent();
14016 blackPlaysFirst = savedBlackPlaysFirst;
14017 CopyBoard(boards[0], initial_position);
14018 /* [HGM] copy FEN attributes as well */
14020 initialRulePlies = FENrulePlies;
14021 epStatus[0] = FENepStatus;
14022 for( i=0; i<nrCastlingRights; i++ )
14023 castlingRights[0][i] = FENcastlingRights[i];
14025 EditPositionDone(FALSE);
14026 DisplayBothClocks();
14027 DrawPosition(FALSE, boards[currentMove]);
14032 static char cseq[12] = "\\ ";
14034 Boolean set_cont_sequence(char *new_seq)
14039 // handle bad attempts to set the sequence
14041 return 0; // acceptable error - no debug
14043 len = strlen(new_seq);
14044 ret = (len > 0) && (len < sizeof(cseq));
14046 strcpy(cseq, new_seq);
14047 else if (appData.debugMode)
14048 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
14053 reformat a source message so words don't cross the width boundary. internal
14054 newlines are not removed. returns the wrapped size (no null character unless
14055 included in source message). If dest is NULL, only calculate the size required
14056 for the dest buffer. lp argument indicats line position upon entry, and it's
14057 passed back upon exit.
14059 int wrap(char *dest, char *src, int count, int width, int *lp)
14061 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
14063 cseq_len = strlen(cseq);
14064 old_line = line = *lp;
14065 ansi = len = clen = 0;
14067 for (i=0; i < count; i++)
14069 if (src[i] == '\033')
14072 // if we hit the width, back up
14073 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
14075 // store i & len in case the word is too long
14076 old_i = i, old_len = len;
14078 // find the end of the last word
14079 while (i && src[i] != ' ' && src[i] != '\n')
14085 // word too long? restore i & len before splitting it
14086 if ((old_i-i+clen) >= width)
14093 if (i && src[i-1] == ' ')
14096 if (src[i] != ' ' && src[i] != '\n')
14103 // now append the newline and continuation sequence
14108 strncpy(dest+len, cseq, cseq_len);
14116 dest[len] = src[i];
14120 if (src[i] == '\n')
14125 if (dest && appData.debugMode)
14127 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
14128 count, width, line, len, *lp);
14129 show_bytes(debugFP, src, count);
14130 fprintf(debugFP, "\ndest: ");
14131 show_bytes(debugFP, dest, len);
14132 fprintf(debugFP, "\n");
14134 *lp = dest ? line : old_line;