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,
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 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
240 static int exiting = 0; /* [HGM] moved to top */
241 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
242 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
243 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
244 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
245 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
246 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
247 int opponentKibitzes;
248 int lastSavedGame; /* [HGM] save: ID of game */
249 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
250 extern int chatCount;
252 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
254 /* States for ics_getting_history */
256 #define H_REQUESTED 1
257 #define H_GOT_REQ_HEADER 2
258 #define H_GOT_UNREQ_HEADER 3
259 #define H_GETTING_MOVES 4
260 #define H_GOT_UNWANTED_HEADER 5
262 /* whosays values for GameEnds */
271 /* Maximum number of games in a cmail message */
272 #define CMAIL_MAX_GAMES 20
274 /* Different types of move when calling RegisterMove */
276 #define CMAIL_RESIGN 1
278 #define CMAIL_ACCEPT 3
280 /* Different types of result to remember for each game */
281 #define CMAIL_NOT_RESULT 0
282 #define CMAIL_OLD_RESULT 1
283 #define CMAIL_NEW_RESULT 2
285 /* Telnet protocol constants */
296 static char * safeStrCpy( char * dst, const char * src, size_t count )
298 assert( dst != NULL );
299 assert( src != NULL );
302 strncpy( dst, src, count );
303 dst[ count-1 ] = '\0';
307 /* Some compiler can't cast u64 to double
308 * This function do the job for us:
310 * We use the highest bit for cast, this only
311 * works if the highest bit is not
312 * in use (This should not happen)
314 * We used this for all compiler
317 u64ToDouble(u64 value)
320 u64 tmp = value & u64Const(0x7fffffffffffffff);
321 r = (double)(s64)tmp;
322 if (value & u64Const(0x8000000000000000))
323 r += 9.2233720368547758080e18; /* 2^63 */
327 /* Fake up flags for now, as we aren't keeping track of castling
328 availability yet. [HGM] Change of logic: the flag now only
329 indicates the type of castlings allowed by the rule of the game.
330 The actual rights themselves are maintained in the array
331 castlingRights, as part of the game history, and are not probed
337 int flags = F_ALL_CASTLE_OK;
338 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
339 switch (gameInfo.variant) {
341 flags &= ~F_ALL_CASTLE_OK;
342 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
343 flags |= F_IGNORE_CHECK;
345 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
348 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
350 case VariantKriegspiel:
351 flags |= F_KRIEGSPIEL_CAPTURE;
353 case VariantCapaRandom:
354 case VariantFischeRandom:
355 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
356 case VariantNoCastle:
357 case VariantShatranj:
359 flags &= ~F_ALL_CASTLE_OK;
367 FILE *gameFileFP, *debugFP;
370 [AS] Note: sometimes, the sscanf() function is used to parse the input
371 into a fixed-size buffer. Because of this, we must be prepared to
372 receive strings as long as the size of the input buffer, which is currently
373 set to 4K for Windows and 8K for the rest.
374 So, we must either allocate sufficiently large buffers here, or
375 reduce the size of the input buffer in the input reading part.
378 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
379 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
380 char thinkOutput1[MSG_SIZ*10];
382 ChessProgramState first, second;
384 /* premove variables */
387 int premoveFromX = 0;
388 int premoveFromY = 0;
389 int premovePromoChar = 0;
391 Boolean alarmSounded;
392 /* end premove variables */
394 char *ics_prefix = "$";
395 int ics_type = ICS_GENERIC;
397 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
398 int pauseExamForwardMostMove = 0;
399 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
400 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
401 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
402 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
403 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
404 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
405 int whiteFlag = FALSE, blackFlag = FALSE;
406 int userOfferedDraw = FALSE;
407 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
408 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
409 int cmailMoveType[CMAIL_MAX_GAMES];
410 long ics_clock_paused = 0;
411 ProcRef icsPR = NoProc, cmailPR = NoProc;
412 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
413 GameMode gameMode = BeginningOfGame;
414 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
415 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
416 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
417 int hiddenThinkOutputState = 0; /* [AS] */
418 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
419 int adjudicateLossPlies = 6;
420 char white_holding[64], black_holding[64];
421 TimeMark lastNodeCountTime;
422 long lastNodeCount=0;
423 int have_sent_ICS_logon = 0;
425 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement;
426 long timeControl_2; /* [AS] Allow separate time controls */
427 char *fullTimeControlString = NULL; /* [HGM] secondary TC: merge of MPS, TC and inc */
428 long timeRemaining[2][MAX_MOVES];
430 TimeMark programStartTime;
431 char ics_handle[MSG_SIZ];
432 int have_set_title = 0;
434 /* animateTraining preserves the state of appData.animate
435 * when Training mode is activated. This allows the
436 * response to be animated when appData.animate == TRUE and
437 * appData.animateDragging == TRUE.
439 Boolean animateTraining;
445 Board boards[MAX_MOVES];
446 /* [HGM] Following 7 needed for accurate legality tests: */
447 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
448 signed char initialRights[BOARD_FILES];
449 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
450 int initialRulePlies, FENrulePlies;
451 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
454 int mute; // mute all sounds
456 // [HGM] vari: next 12 to save and restore variations
457 #define MAX_VARIATIONS 10
458 int framePtr = MAX_MOVES-1; // points to free stack entry
460 int savedFirst[MAX_VARIATIONS];
461 int savedLast[MAX_VARIATIONS];
462 int savedFramePtr[MAX_VARIATIONS];
463 char *savedDetails[MAX_VARIATIONS];
464 ChessMove savedResult[MAX_VARIATIONS];
466 void PushTail P((int firstMove, int lastMove));
467 Boolean PopTail P((Boolean annotate));
468 void CleanupTail P((void));
470 ChessSquare FIDEArray[2][BOARD_FILES] = {
471 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
472 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
473 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
474 BlackKing, BlackBishop, BlackKnight, BlackRook }
477 ChessSquare twoKingsArray[2][BOARD_FILES] = {
478 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
479 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
480 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
481 BlackKing, BlackKing, BlackKnight, BlackRook }
484 ChessSquare KnightmateArray[2][BOARD_FILES] = {
485 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
486 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
487 { BlackRook, BlackMan, BlackBishop, BlackQueen,
488 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
491 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
492 { WhiteCannon, WhiteNightrider, WhiteAlfil, WhiteQueen,
493 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
494 { BlackCannon, BlackNightrider, BlackAlfil, BlackQueen,
495 BlackKing, BlackBishop, BlackKnight, BlackRook }
498 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
499 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
500 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
501 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
502 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
506 #if (BOARD_FILES>=10)
507 ChessSquare ShogiArray[2][BOARD_FILES] = {
508 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
509 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
510 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
511 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
514 ChessSquare XiangqiArray[2][BOARD_FILES] = {
515 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
516 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
517 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
518 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
521 ChessSquare CapablancaArray[2][BOARD_FILES] = {
522 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
523 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
524 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
525 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
528 ChessSquare GreatArray[2][BOARD_FILES] = {
529 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
530 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
531 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
532 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
535 ChessSquare JanusArray[2][BOARD_FILES] = {
536 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
537 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
538 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
539 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
543 ChessSquare GothicArray[2][BOARD_FILES] = {
544 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
545 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
546 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
547 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
550 #define GothicArray CapablancaArray
554 ChessSquare FalconArray[2][BOARD_FILES] = {
555 { WhiteRook, WhiteKnight, WhiteBishop, WhiteLance, WhiteQueen,
556 WhiteKing, WhiteLance, WhiteBishop, WhiteKnight, WhiteRook },
557 { BlackRook, BlackKnight, BlackBishop, BlackLance, BlackQueen,
558 BlackKing, BlackLance, BlackBishop, BlackKnight, BlackRook }
561 #define FalconArray CapablancaArray
564 #else // !(BOARD_FILES>=10)
565 #define XiangqiPosition FIDEArray
566 #define CapablancaArray FIDEArray
567 #define GothicArray FIDEArray
568 #define GreatArray FIDEArray
569 #endif // !(BOARD_FILES>=10)
571 #if (BOARD_FILES>=12)
572 ChessSquare CourierArray[2][BOARD_FILES] = {
573 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
574 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
575 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
576 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
578 #else // !(BOARD_FILES>=12)
579 #define CourierArray CapablancaArray
580 #endif // !(BOARD_FILES>=12)
583 Board initialPosition;
586 /* Convert str to a rating. Checks for special cases of "----",
588 "++++", etc. Also strips ()'s */
590 string_to_rating(str)
593 while(*str && !isdigit(*str)) ++str;
595 return 0; /* One of the special "no rating" cases */
603 /* Init programStats */
604 programStats.movelist[0] = 0;
605 programStats.depth = 0;
606 programStats.nr_moves = 0;
607 programStats.moves_left = 0;
608 programStats.nodes = 0;
609 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
610 programStats.score = 0;
611 programStats.got_only_move = 0;
612 programStats.got_fail = 0;
613 programStats.line_is_book = 0;
619 int matched, min, sec;
621 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
623 GetTimeMark(&programStartTime);
624 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
627 programStats.ok_to_send = 1;
628 programStats.seen_stat = 0;
631 * Initialize game list
637 * Internet chess server status
639 if (appData.icsActive) {
640 appData.matchMode = FALSE;
641 appData.matchGames = 0;
643 appData.noChessProgram = !appData.zippyPlay;
645 appData.zippyPlay = FALSE;
646 appData.zippyTalk = FALSE;
647 appData.noChessProgram = TRUE;
649 if (*appData.icsHelper != NULLCHAR) {
650 appData.useTelnet = TRUE;
651 appData.telnetProgram = appData.icsHelper;
654 appData.zippyTalk = appData.zippyPlay = FALSE;
657 /* [AS] Initialize pv info list [HGM] and game state */
661 for( i=0; i<=framePtr; i++ ) {
662 pvInfoList[i].depth = -1;
663 boards[i][EP_STATUS] = EP_NONE;
664 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
669 * Parse timeControl resource
671 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
672 appData.movesPerSession)) {
674 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
675 DisplayFatalError(buf, 0, 2);
679 * Parse searchTime resource
681 if (*appData.searchTime != NULLCHAR) {
682 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
684 searchTime = min * 60;
685 } else if (matched == 2) {
686 searchTime = min * 60 + sec;
689 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
690 DisplayFatalError(buf, 0, 2);
694 /* [AS] Adjudication threshold */
695 adjudicateLossThreshold = appData.adjudicateLossThreshold;
697 first.which = "first";
698 second.which = "second";
699 first.maybeThinking = second.maybeThinking = FALSE;
700 first.pr = second.pr = NoProc;
701 first.isr = second.isr = NULL;
702 first.sendTime = second.sendTime = 2;
703 first.sendDrawOffers = 1;
704 if (appData.firstPlaysBlack) {
705 first.twoMachinesColor = "black\n";
706 second.twoMachinesColor = "white\n";
708 first.twoMachinesColor = "white\n";
709 second.twoMachinesColor = "black\n";
711 first.program = appData.firstChessProgram;
712 second.program = appData.secondChessProgram;
713 first.host = appData.firstHost;
714 second.host = appData.secondHost;
715 first.dir = appData.firstDirectory;
716 second.dir = appData.secondDirectory;
717 first.other = &second;
718 second.other = &first;
719 first.initString = appData.initString;
720 second.initString = appData.secondInitString;
721 first.computerString = appData.firstComputerString;
722 second.computerString = appData.secondComputerString;
723 first.useSigint = second.useSigint = TRUE;
724 first.useSigterm = second.useSigterm = TRUE;
725 first.reuse = appData.reuseFirst;
726 second.reuse = appData.reuseSecond;
727 first.nps = appData.firstNPS; // [HGM] nps: copy nodes per second
728 second.nps = appData.secondNPS;
729 first.useSetboard = second.useSetboard = FALSE;
730 first.useSAN = second.useSAN = FALSE;
731 first.usePing = second.usePing = FALSE;
732 first.lastPing = second.lastPing = 0;
733 first.lastPong = second.lastPong = 0;
734 first.usePlayother = second.usePlayother = FALSE;
735 first.useColors = second.useColors = TRUE;
736 first.useUsermove = second.useUsermove = FALSE;
737 first.sendICS = second.sendICS = FALSE;
738 first.sendName = second.sendName = appData.icsActive;
739 first.sdKludge = second.sdKludge = FALSE;
740 first.stKludge = second.stKludge = FALSE;
741 TidyProgramName(first.program, first.host, first.tidy);
742 TidyProgramName(second.program, second.host, second.tidy);
743 first.matchWins = second.matchWins = 0;
744 strcpy(first.variants, appData.variant);
745 strcpy(second.variants, appData.variant);
746 first.analysisSupport = second.analysisSupport = 2; /* detect */
747 first.analyzing = second.analyzing = FALSE;
748 first.initDone = second.initDone = FALSE;
750 /* New features added by Tord: */
751 first.useFEN960 = FALSE; second.useFEN960 = FALSE;
752 first.useOOCastle = TRUE; second.useOOCastle = TRUE;
753 /* End of new features added by Tord. */
754 first.fenOverride = appData.fenOverride1;
755 second.fenOverride = appData.fenOverride2;
757 /* [HGM] time odds: set factor for each machine */
758 first.timeOdds = appData.firstTimeOdds;
759 second.timeOdds = appData.secondTimeOdds;
761 if(appData.timeOddsMode) {
762 norm = first.timeOdds;
763 if(norm > second.timeOdds) norm = second.timeOdds;
765 first.timeOdds /= norm;
766 second.timeOdds /= norm;
769 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
770 first.accumulateTC = appData.firstAccumulateTC;
771 second.accumulateTC = appData.secondAccumulateTC;
772 first.maxNrOfSessions = second.maxNrOfSessions = 1;
775 first.debug = second.debug = FALSE;
776 first.supportsNPS = second.supportsNPS = UNKNOWN;
779 first.optionSettings = appData.firstOptions;
780 second.optionSettings = appData.secondOptions;
782 first.scoreIsAbsolute = appData.firstScoreIsAbsolute; /* [AS] */
783 second.scoreIsAbsolute = appData.secondScoreIsAbsolute; /* [AS] */
784 first.isUCI = appData.firstIsUCI; /* [AS] */
785 second.isUCI = appData.secondIsUCI; /* [AS] */
786 first.hasOwnBookUCI = appData.firstHasOwnBookUCI; /* [AS] */
787 second.hasOwnBookUCI = appData.secondHasOwnBookUCI; /* [AS] */
789 if (appData.firstProtocolVersion > PROTOVER ||
790 appData.firstProtocolVersion < 1) {
792 sprintf(buf, _("protocol version %d not supported"),
793 appData.firstProtocolVersion);
794 DisplayFatalError(buf, 0, 2);
796 first.protocolVersion = appData.firstProtocolVersion;
799 if (appData.secondProtocolVersion > PROTOVER ||
800 appData.secondProtocolVersion < 1) {
802 sprintf(buf, _("protocol version %d not supported"),
803 appData.secondProtocolVersion);
804 DisplayFatalError(buf, 0, 2);
806 second.protocolVersion = appData.secondProtocolVersion;
809 if (appData.icsActive) {
810 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
811 // } else if (*appData.searchTime != NULLCHAR || appData.noChessProgram) {
812 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
813 appData.clockMode = FALSE;
814 first.sendTime = second.sendTime = 0;
818 /* Override some settings from environment variables, for backward
819 compatibility. Unfortunately it's not feasible to have the env
820 vars just set defaults, at least in xboard. Ugh.
822 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
827 if (appData.noChessProgram) {
828 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
829 sprintf(programVersion, "%s", PACKAGE_STRING);
831 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
832 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
833 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
836 if (!appData.icsActive) {
838 /* Check for variants that are supported only in ICS mode,
839 or not at all. Some that are accepted here nevertheless
840 have bugs; see comments below.
842 VariantClass variant = StringToVariant(appData.variant);
844 case VariantBughouse: /* need four players and two boards */
845 case VariantKriegspiel: /* need to hide pieces and move details */
846 /* case VariantFischeRandom: (Fabien: moved below) */
847 sprintf(buf, _("Variant %s supported only in ICS mode"), appData.variant);
848 DisplayFatalError(buf, 0, 2);
852 case VariantLoadable:
862 sprintf(buf, _("Unknown variant name %s"), appData.variant);
863 DisplayFatalError(buf, 0, 2);
866 case VariantXiangqi: /* [HGM] repetition rules not implemented */
867 case VariantFairy: /* [HGM] TestLegality definitely off! */
868 case VariantGothic: /* [HGM] should work */
869 case VariantCapablanca: /* [HGM] should work */
870 case VariantCourier: /* [HGM] initial forced moves not implemented */
871 case VariantShogi: /* [HGM] drops not tested for legality */
872 case VariantKnightmate: /* [HGM] should work */
873 case VariantCylinder: /* [HGM] untested */
874 case VariantFalcon: /* [HGM] untested */
875 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
876 offboard interposition not understood */
877 case VariantNormal: /* definitely works! */
878 case VariantWildCastle: /* pieces not automatically shuffled */
879 case VariantNoCastle: /* pieces not automatically shuffled */
880 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
881 case VariantLosers: /* should work except for win condition,
882 and doesn't know captures are mandatory */
883 case VariantSuicide: /* should work except for win condition,
884 and doesn't know captures are mandatory */
885 case VariantGiveaway: /* should work except for win condition,
886 and doesn't know captures are mandatory */
887 case VariantTwoKings: /* should work */
888 case VariantAtomic: /* should work except for win condition */
889 case Variant3Check: /* should work except for win condition */
890 case VariantShatranj: /* should work except for all win conditions */
891 case VariantBerolina: /* might work if TestLegality is off */
892 case VariantCapaRandom: /* should work */
893 case VariantJanus: /* should work */
894 case VariantSuper: /* experimental */
895 case VariantGreat: /* experimental, requires legality testing to be off */
900 InitEngineUCI( installDir, &first ); // [HGM] moved here from winboard.c, to make available in xboard
901 InitEngineUCI( installDir, &second );
904 int NextIntegerFromString( char ** str, long * value )
909 while( *s == ' ' || *s == '\t' ) {
915 if( *s >= '0' && *s <= '9' ) {
916 while( *s >= '0' && *s <= '9' ) {
917 *value = *value * 10 + (*s - '0');
929 int NextTimeControlFromString( char ** str, long * value )
932 int result = NextIntegerFromString( str, &temp );
935 *value = temp * 60; /* Minutes */
938 result = NextIntegerFromString( str, &temp );
939 *value += temp; /* Seconds */
946 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc)
947 { /* [HGM] routine added to read '+moves/time' for secondary time control */
948 int result = -1; long temp, temp2;
950 if(**str != '+') return -1; // old params remain in force!
952 if( NextTimeControlFromString( str, &temp ) ) return -1;
955 /* time only: incremental or sudden-death time control */
956 if(**str == '+') { /* increment follows; read it */
958 if(result = NextIntegerFromString( str, &temp2)) return -1;
961 *moves = 0; *tc = temp * 1000;
963 } else if(temp % 60 != 0) return -1; /* moves was given as min:sec */
965 (*str)++; /* classical time control */
966 result = NextTimeControlFromString( str, &temp2);
975 int GetTimeQuota(int movenr)
976 { /* [HGM] get time to add from the multi-session time-control string */
977 int moves=1; /* kludge to force reading of first session */
978 long time, increment;
979 char *s = fullTimeControlString;
981 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", fullTimeControlString);
983 if(moves) NextSessionFromString(&s, &moves, &time, &increment);
984 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
985 if(movenr == -1) return time; /* last move before new session */
986 if(!moves) return increment; /* current session is incremental */
987 if(movenr >= 0) movenr -= moves; /* we already finished this session */
988 } while(movenr >= -1); /* try again for next session */
990 return 0; // no new time quota on this move
994 ParseTimeControl(tc, ti, mps)
1003 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1006 sprintf(buf, "+%d/%s+%d", mps, tc, ti);
1007 else sprintf(buf, "+%s+%d", tc, ti);
1010 sprintf(buf, "+%d/%s", mps, tc);
1011 else sprintf(buf, "+%s", tc);
1013 fullTimeControlString = StrSave(buf);
1015 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1020 /* Parse second time control */
1023 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1031 timeControl_2 = tc2 * 1000;
1041 timeControl = tc1 * 1000;
1044 timeIncrement = ti * 1000; /* convert to ms */
1045 movesPerSession = 0;
1048 movesPerSession = mps;
1056 if (appData.debugMode) {
1057 fprintf(debugFP, "%s\n", programVersion);
1060 set_cont_sequence(appData.wrapContSeq);
1061 if (appData.matchGames > 0) {
1062 appData.matchMode = TRUE;
1063 } else if (appData.matchMode) {
1064 appData.matchGames = 1;
1066 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1067 appData.matchGames = appData.sameColorGames;
1068 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1069 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1070 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1073 if (appData.noChessProgram || first.protocolVersion == 1) {
1076 /* kludge: allow timeout for initial "feature" commands */
1078 DisplayMessage("", _("Starting chess program"));
1079 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1084 InitBackEnd3 P((void))
1086 GameMode initialMode;
1090 InitChessProgram(&first, startedFromSetupPosition);
1093 if (appData.icsActive) {
1095 /* [DM] Make a console window if needed [HGM] merged ifs */
1100 if (*appData.icsCommPort != NULLCHAR) {
1101 sprintf(buf, _("Could not open comm port %s"),
1102 appData.icsCommPort);
1104 snprintf(buf, sizeof(buf), _("Could not connect to host %s, port %s"),
1105 appData.icsHost, appData.icsPort);
1107 DisplayFatalError(buf, err, 1);
1112 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1114 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1115 } else if (appData.noChessProgram) {
1121 if (*appData.cmailGameName != NULLCHAR) {
1123 OpenLoopback(&cmailPR);
1125 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1129 DisplayMessage("", "");
1130 if (StrCaseCmp(appData.initialMode, "") == 0) {
1131 initialMode = BeginningOfGame;
1132 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1133 initialMode = TwoMachinesPlay;
1134 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1135 initialMode = AnalyzeFile;
1136 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1137 initialMode = AnalyzeMode;
1138 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1139 initialMode = MachinePlaysWhite;
1140 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1141 initialMode = MachinePlaysBlack;
1142 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1143 initialMode = EditGame;
1144 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1145 initialMode = EditPosition;
1146 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1147 initialMode = Training;
1149 sprintf(buf, _("Unknown initialMode %s"), appData.initialMode);
1150 DisplayFatalError(buf, 0, 2);
1154 if (appData.matchMode) {
1155 /* Set up machine vs. machine match */
1156 if (appData.noChessProgram) {
1157 DisplayFatalError(_("Can't have a match with no chess programs"),
1163 if (*appData.loadGameFile != NULLCHAR) {
1164 int index = appData.loadGameIndex; // [HGM] autoinc
1165 if(index<0) lastIndex = index = 1;
1166 if (!LoadGameFromFile(appData.loadGameFile,
1168 appData.loadGameFile, FALSE)) {
1169 DisplayFatalError(_("Bad game file"), 0, 1);
1172 } else if (*appData.loadPositionFile != NULLCHAR) {
1173 int index = appData.loadPositionIndex; // [HGM] autoinc
1174 if(index<0) lastIndex = index = 1;
1175 if (!LoadPositionFromFile(appData.loadPositionFile,
1177 appData.loadPositionFile)) {
1178 DisplayFatalError(_("Bad position file"), 0, 1);
1183 } else if (*appData.cmailGameName != NULLCHAR) {
1184 /* Set up cmail mode */
1185 ReloadCmailMsgEvent(TRUE);
1187 /* Set up other modes */
1188 if (initialMode == AnalyzeFile) {
1189 if (*appData.loadGameFile == NULLCHAR) {
1190 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1194 if (*appData.loadGameFile != NULLCHAR) {
1195 (void) LoadGameFromFile(appData.loadGameFile,
1196 appData.loadGameIndex,
1197 appData.loadGameFile, TRUE);
1198 } else if (*appData.loadPositionFile != NULLCHAR) {
1199 (void) LoadPositionFromFile(appData.loadPositionFile,
1200 appData.loadPositionIndex,
1201 appData.loadPositionFile);
1202 /* [HGM] try to make self-starting even after FEN load */
1203 /* to allow automatic setup of fairy variants with wtm */
1204 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1205 gameMode = BeginningOfGame;
1206 setboardSpoiledMachineBlack = 1;
1208 /* [HGM] loadPos: make that every new game uses the setup */
1209 /* from file as long as we do not switch variant */
1210 if(!blackPlaysFirst) {
1211 startedFromPositionFile = TRUE;
1212 CopyBoard(filePosition, boards[0]);
1215 if (initialMode == AnalyzeMode) {
1216 if (appData.noChessProgram) {
1217 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1220 if (appData.icsActive) {
1221 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1225 } else if (initialMode == AnalyzeFile) {
1226 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1227 ShowThinkingEvent();
1229 AnalysisPeriodicEvent(1);
1230 } else if (initialMode == MachinePlaysWhite) {
1231 if (appData.noChessProgram) {
1232 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1236 if (appData.icsActive) {
1237 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1241 MachineWhiteEvent();
1242 } else if (initialMode == MachinePlaysBlack) {
1243 if (appData.noChessProgram) {
1244 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1248 if (appData.icsActive) {
1249 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1253 MachineBlackEvent();
1254 } else if (initialMode == TwoMachinesPlay) {
1255 if (appData.noChessProgram) {
1256 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1260 if (appData.icsActive) {
1261 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1266 } else if (initialMode == EditGame) {
1268 } else if (initialMode == EditPosition) {
1269 EditPositionEvent();
1270 } else if (initialMode == Training) {
1271 if (*appData.loadGameFile == NULLCHAR) {
1272 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1281 * Establish will establish a contact to a remote host.port.
1282 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1283 * used to talk to the host.
1284 * Returns 0 if okay, error code if not.
1291 if (*appData.icsCommPort != NULLCHAR) {
1292 /* Talk to the host through a serial comm port */
1293 return OpenCommPort(appData.icsCommPort, &icsPR);
1295 } else if (*appData.gateway != NULLCHAR) {
1296 if (*appData.remoteShell == NULLCHAR) {
1297 /* Use the rcmd protocol to run telnet program on a gateway host */
1298 snprintf(buf, sizeof(buf), "%s %s %s",
1299 appData.telnetProgram, appData.icsHost, appData.icsPort);
1300 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1303 /* Use the rsh program to run telnet program on a gateway host */
1304 if (*appData.remoteUser == NULLCHAR) {
1305 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1306 appData.gateway, appData.telnetProgram,
1307 appData.icsHost, appData.icsPort);
1309 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1310 appData.remoteShell, appData.gateway,
1311 appData.remoteUser, appData.telnetProgram,
1312 appData.icsHost, appData.icsPort);
1314 return StartChildProcess(buf, "", &icsPR);
1317 } else if (appData.useTelnet) {
1318 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1321 /* TCP socket interface differs somewhat between
1322 Unix and NT; handle details in the front end.
1324 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1329 show_bytes(fp, buf, count)
1335 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1336 fprintf(fp, "\\%03o", *buf & 0xff);
1345 /* Returns an errno value */
1347 OutputMaybeTelnet(pr, message, count, outError)
1353 char buf[8192], *p, *q, *buflim;
1354 int left, newcount, outcount;
1356 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1357 *appData.gateway != NULLCHAR) {
1358 if (appData.debugMode) {
1359 fprintf(debugFP, ">ICS: ");
1360 show_bytes(debugFP, message, count);
1361 fprintf(debugFP, "\n");
1363 return OutputToProcess(pr, message, count, outError);
1366 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1373 if (appData.debugMode) {
1374 fprintf(debugFP, ">ICS: ");
1375 show_bytes(debugFP, buf, newcount);
1376 fprintf(debugFP, "\n");
1378 outcount = OutputToProcess(pr, buf, newcount, outError);
1379 if (outcount < newcount) return -1; /* to be sure */
1386 } else if (((unsigned char) *p) == TN_IAC) {
1387 *q++ = (char) TN_IAC;
1394 if (appData.debugMode) {
1395 fprintf(debugFP, ">ICS: ");
1396 show_bytes(debugFP, buf, newcount);
1397 fprintf(debugFP, "\n");
1399 outcount = OutputToProcess(pr, buf, newcount, outError);
1400 if (outcount < newcount) return -1; /* to be sure */
1405 read_from_player(isr, closure, message, count, error)
1412 int outError, outCount;
1413 static int gotEof = 0;
1415 /* Pass data read from player on to ICS */
1418 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1419 if (outCount < count) {
1420 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1422 } else if (count < 0) {
1423 RemoveInputSource(isr);
1424 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1425 } else if (gotEof++ > 0) {
1426 RemoveInputSource(isr);
1427 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1433 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1434 SendToICS("date\n");
1435 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1438 /* added routine for printf style output to ics */
1439 void ics_printf(char *format, ...)
1441 char buffer[MSG_SIZ];
1444 va_start(args, format);
1445 vsnprintf(buffer, sizeof(buffer), format, args);
1446 buffer[sizeof(buffer)-1] = '\0';
1455 int count, outCount, outError;
1457 if (icsPR == NULL) return;
1460 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1461 if (outCount < count) {
1462 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1466 /* This is used for sending logon scripts to the ICS. Sending
1467 without a delay causes problems when using timestamp on ICC
1468 (at least on my machine). */
1470 SendToICSDelayed(s,msdelay)
1474 int count, outCount, outError;
1476 if (icsPR == NULL) return;
1479 if (appData.debugMode) {
1480 fprintf(debugFP, ">ICS: ");
1481 show_bytes(debugFP, s, count);
1482 fprintf(debugFP, "\n");
1484 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1486 if (outCount < count) {
1487 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1492 /* Remove all highlighting escape sequences in s
1493 Also deletes any suffix starting with '('
1496 StripHighlightAndTitle(s)
1499 static char retbuf[MSG_SIZ];
1502 while (*s != NULLCHAR) {
1503 while (*s == '\033') {
1504 while (*s != NULLCHAR && !isalpha(*s)) s++;
1505 if (*s != NULLCHAR) s++;
1507 while (*s != NULLCHAR && *s != '\033') {
1508 if (*s == '(' || *s == '[') {
1519 /* Remove all highlighting escape sequences in s */
1524 static char retbuf[MSG_SIZ];
1527 while (*s != NULLCHAR) {
1528 while (*s == '\033') {
1529 while (*s != NULLCHAR && !isalpha(*s)) s++;
1530 if (*s != NULLCHAR) s++;
1532 while (*s != NULLCHAR && *s != '\033') {
1540 char *variantNames[] = VARIANT_NAMES;
1545 return variantNames[v];
1549 /* Identify a variant from the strings the chess servers use or the
1550 PGN Variant tag names we use. */
1557 VariantClass v = VariantNormal;
1558 int i, found = FALSE;
1563 /* [HGM] skip over optional board-size prefixes */
1564 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1565 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1566 while( *e++ != '_');
1569 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1573 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1574 if (StrCaseStr(e, variantNames[i])) {
1575 v = (VariantClass) i;
1582 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1583 || StrCaseStr(e, "wild/fr")
1584 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1585 v = VariantFischeRandom;
1586 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1587 (i = 1, p = StrCaseStr(e, "w"))) {
1589 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
1596 case 0: /* FICS only, actually */
1598 /* Castling legal even if K starts on d-file */
1599 v = VariantWildCastle;
1604 /* Castling illegal even if K & R happen to start in
1605 normal positions. */
1606 v = VariantNoCastle;
1619 /* Castling legal iff K & R start in normal positions */
1625 /* Special wilds for position setup; unclear what to do here */
1626 v = VariantLoadable;
1629 /* Bizarre ICC game */
1630 v = VariantTwoKings;
1633 v = VariantKriegspiel;
1639 v = VariantFischeRandom;
1642 v = VariantCrazyhouse;
1645 v = VariantBughouse;
1651 /* Not quite the same as FICS suicide! */
1652 v = VariantGiveaway;
1658 v = VariantShatranj;
1661 /* Temporary names for future ICC types. The name *will* change in
1662 the next xboard/WinBoard release after ICC defines it. */
1700 v = VariantCapablanca;
1703 v = VariantKnightmate;
1709 v = VariantCylinder;
1715 v = VariantCapaRandom;
1718 v = VariantBerolina;
1730 /* Found "wild" or "w" in the string but no number;
1731 must assume it's normal chess. */
1735 sprintf(buf, _("Unknown wild type %d"), wnum);
1736 DisplayError(buf, 0);
1742 if (appData.debugMode) {
1743 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
1744 e, wnum, VariantName(v));
1749 static int leftover_start = 0, leftover_len = 0;
1750 char star_match[STAR_MATCH_N][MSG_SIZ];
1752 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
1753 advance *index beyond it, and set leftover_start to the new value of
1754 *index; else return FALSE. If pattern contains the character '*', it
1755 matches any sequence of characters not containing '\r', '\n', or the
1756 character following the '*' (if any), and the matched sequence(s) are
1757 copied into star_match.
1760 looking_at(buf, index, pattern)
1765 char *bufp = &buf[*index], *patternp = pattern;
1767 char *matchp = star_match[0];
1770 if (*patternp == NULLCHAR) {
1771 *index = leftover_start = bufp - buf;
1775 if (*bufp == NULLCHAR) return FALSE;
1776 if (*patternp == '*') {
1777 if (*bufp == *(patternp + 1)) {
1779 matchp = star_match[++star_count];
1783 } else if (*bufp == '\n' || *bufp == '\r') {
1785 if (*patternp == NULLCHAR)
1790 *matchp++ = *bufp++;
1794 if (*patternp != *bufp) return FALSE;
1801 SendToPlayer(data, length)
1805 int error, outCount;
1806 outCount = OutputToProcess(NoProc, data, length, &error);
1807 if (outCount < length) {
1808 DisplayFatalError(_("Error writing to display"), error, 1);
1813 PackHolding(packed, holding)
1825 switch (runlength) {
1836 sprintf(q, "%d", runlength);
1848 /* Telnet protocol requests from the front end */
1850 TelnetRequest(ddww, option)
1851 unsigned char ddww, option;
1853 unsigned char msg[3];
1854 int outCount, outError;
1856 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
1858 if (appData.debugMode) {
1859 char buf1[8], buf2[8], *ddwwStr, *optionStr;
1875 sprintf(buf1, "%d", ddww);
1884 sprintf(buf2, "%d", option);
1887 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
1892 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
1894 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1901 if (!appData.icsActive) return;
1902 TelnetRequest(TN_DO, TN_ECHO);
1908 if (!appData.icsActive) return;
1909 TelnetRequest(TN_DONT, TN_ECHO);
1913 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
1915 /* put the holdings sent to us by the server on the board holdings area */
1916 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
1920 if(gameInfo.holdingsWidth < 2) return;
1921 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
1922 return; // prevent overwriting by pre-board holdings
1924 if( (int)lowestPiece >= BlackPawn ) {
1927 holdingsStartRow = BOARD_HEIGHT-1;
1930 holdingsColumn = BOARD_WIDTH-1;
1931 countsColumn = BOARD_WIDTH-2;
1932 holdingsStartRow = 0;
1936 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
1937 board[i][holdingsColumn] = EmptySquare;
1938 board[i][countsColumn] = (ChessSquare) 0;
1940 while( (p=*holdings++) != NULLCHAR ) {
1941 piece = CharToPiece( ToUpper(p) );
1942 if(piece == EmptySquare) continue;
1943 /*j = (int) piece - (int) WhitePawn;*/
1944 j = PieceToNumber(piece);
1945 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
1946 if(j < 0) continue; /* should not happen */
1947 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
1948 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
1949 board[holdingsStartRow+j*direction][countsColumn]++;
1955 VariantSwitch(Board board, VariantClass newVariant)
1957 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
1960 startedFromPositionFile = FALSE;
1961 if(gameInfo.variant == newVariant) return;
1963 /* [HGM] This routine is called each time an assignment is made to
1964 * gameInfo.variant during a game, to make sure the board sizes
1965 * are set to match the new variant. If that means adding or deleting
1966 * holdings, we shift the playing board accordingly
1967 * This kludge is needed because in ICS observe mode, we get boards
1968 * of an ongoing game without knowing the variant, and learn about the
1969 * latter only later. This can be because of the move list we requested,
1970 * in which case the game history is refilled from the beginning anyway,
1971 * but also when receiving holdings of a crazyhouse game. In the latter
1972 * case we want to add those holdings to the already received position.
1976 if (appData.debugMode) {
1977 fprintf(debugFP, "Switch board from %s to %s\n",
1978 VariantName(gameInfo.variant), VariantName(newVariant));
1979 setbuf(debugFP, NULL);
1981 shuffleOpenings = 0; /* [HGM] shuffle */
1982 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
1986 newWidth = 9; newHeight = 9;
1987 gameInfo.holdingsSize = 7;
1988 case VariantBughouse:
1989 case VariantCrazyhouse:
1990 newHoldingsWidth = 2; break;
1994 newHoldingsWidth = 2;
1995 gameInfo.holdingsSize = 8;
1998 case VariantCapablanca:
1999 case VariantCapaRandom:
2002 newHoldingsWidth = gameInfo.holdingsSize = 0;
2005 if(newWidth != gameInfo.boardWidth ||
2006 newHeight != gameInfo.boardHeight ||
2007 newHoldingsWidth != gameInfo.holdingsWidth ) {
2009 /* shift position to new playing area, if needed */
2010 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2011 for(i=0; i<BOARD_HEIGHT; i++)
2012 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2013 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2015 for(i=0; i<newHeight; i++) {
2016 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2017 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2019 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2020 for(i=0; i<BOARD_HEIGHT; i++)
2021 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2022 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2025 gameInfo.boardWidth = newWidth;
2026 gameInfo.boardHeight = newHeight;
2027 gameInfo.holdingsWidth = newHoldingsWidth;
2028 gameInfo.variant = newVariant;
2029 InitDrawingSizes(-2, 0);
2030 } else gameInfo.variant = newVariant;
2031 CopyBoard(oldBoard, board); // remember correctly formatted board
2032 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2033 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2036 static int loggedOn = FALSE;
2038 /*-- Game start info cache: --*/
2040 char gs_kind[MSG_SIZ];
2041 static char player1Name[128] = "";
2042 static char player2Name[128] = "";
2043 static char cont_seq[] = "\n\\ ";
2044 static int player1Rating = -1;
2045 static int player2Rating = -1;
2046 /*----------------------------*/
2048 ColorClass curColor = ColorNormal;
2049 int suppressKibitz = 0;
2052 read_from_ics(isr, closure, data, count, error)
2059 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2060 #define STARTED_NONE 0
2061 #define STARTED_MOVES 1
2062 #define STARTED_BOARD 2
2063 #define STARTED_OBSERVE 3
2064 #define STARTED_HOLDINGS 4
2065 #define STARTED_CHATTER 5
2066 #define STARTED_COMMENT 6
2067 #define STARTED_MOVES_NOHIDE 7
2069 static int started = STARTED_NONE;
2070 static char parse[20000];
2071 static int parse_pos = 0;
2072 static char buf[BUF_SIZE + 1];
2073 static int firstTime = TRUE, intfSet = FALSE;
2074 static ColorClass prevColor = ColorNormal;
2075 static int savingComment = FALSE;
2076 static int cmatch = 0; // continuation sequence match
2083 int backup; /* [DM] For zippy color lines */
2085 char talker[MSG_SIZ]; // [HGM] chat
2088 if (appData.debugMode) {
2090 fprintf(debugFP, "<ICS: ");
2091 show_bytes(debugFP, data, count);
2092 fprintf(debugFP, "\n");
2096 if (appData.debugMode) { int f = forwardMostMove;
2097 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2098 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2099 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2102 /* If last read ended with a partial line that we couldn't parse,
2103 prepend it to the new read and try again. */
2104 if (leftover_len > 0) {
2105 for (i=0; i<leftover_len; i++)
2106 buf[i] = buf[leftover_start + i];
2109 /* copy new characters into the buffer */
2110 bp = buf + leftover_len;
2111 buf_len=leftover_len;
2112 for (i=0; i<count; i++)
2115 if (data[i] == '\r')
2118 // join lines split by ICS?
2119 if (!appData.noJoin)
2122 Joining just consists of finding matches against the
2123 continuation sequence, and discarding that sequence
2124 if found instead of copying it. So, until a match
2125 fails, there's nothing to do since it might be the
2126 complete sequence, and thus, something we don't want
2129 if (data[i] == cont_seq[cmatch])
2132 if (cmatch == strlen(cont_seq))
2134 cmatch = 0; // complete match. just reset the counter
2137 it's possible for the ICS to not include the space
2138 at the end of the last word, making our [correct]
2139 join operation fuse two separate words. the server
2140 does this when the space occurs at the width setting.
2142 if (!buf_len || buf[buf_len-1] != ' ')
2153 match failed, so we have to copy what matched before
2154 falling through and copying this character. In reality,
2155 this will only ever be just the newline character, but
2156 it doesn't hurt to be precise.
2158 strncpy(bp, cont_seq, cmatch);
2170 buf[buf_len] = NULLCHAR;
2171 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2176 while (i < buf_len) {
2177 /* Deal with part of the TELNET option negotiation
2178 protocol. We refuse to do anything beyond the
2179 defaults, except that we allow the WILL ECHO option,
2180 which ICS uses to turn off password echoing when we are
2181 directly connected to it. We reject this option
2182 if localLineEditing mode is on (always on in xboard)
2183 and we are talking to port 23, which might be a real
2184 telnet server that will try to keep WILL ECHO on permanently.
2186 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2187 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2188 unsigned char option;
2190 switch ((unsigned char) buf[++i]) {
2192 if (appData.debugMode)
2193 fprintf(debugFP, "\n<WILL ");
2194 switch (option = (unsigned char) buf[++i]) {
2196 if (appData.debugMode)
2197 fprintf(debugFP, "ECHO ");
2198 /* Reply only if this is a change, according
2199 to the protocol rules. */
2200 if (remoteEchoOption) break;
2201 if (appData.localLineEditing &&
2202 atoi(appData.icsPort) == TN_PORT) {
2203 TelnetRequest(TN_DONT, TN_ECHO);
2206 TelnetRequest(TN_DO, TN_ECHO);
2207 remoteEchoOption = TRUE;
2211 if (appData.debugMode)
2212 fprintf(debugFP, "%d ", option);
2213 /* Whatever this is, we don't want it. */
2214 TelnetRequest(TN_DONT, option);
2219 if (appData.debugMode)
2220 fprintf(debugFP, "\n<WONT ");
2221 switch (option = (unsigned char) buf[++i]) {
2223 if (appData.debugMode)
2224 fprintf(debugFP, "ECHO ");
2225 /* Reply only if this is a change, according
2226 to the protocol rules. */
2227 if (!remoteEchoOption) break;
2229 TelnetRequest(TN_DONT, TN_ECHO);
2230 remoteEchoOption = FALSE;
2233 if (appData.debugMode)
2234 fprintf(debugFP, "%d ", (unsigned char) option);
2235 /* Whatever this is, it must already be turned
2236 off, because we never agree to turn on
2237 anything non-default, so according to the
2238 protocol rules, we don't reply. */
2243 if (appData.debugMode)
2244 fprintf(debugFP, "\n<DO ");
2245 switch (option = (unsigned char) buf[++i]) {
2247 /* Whatever this is, we refuse to do it. */
2248 if (appData.debugMode)
2249 fprintf(debugFP, "%d ", option);
2250 TelnetRequest(TN_WONT, option);
2255 if (appData.debugMode)
2256 fprintf(debugFP, "\n<DONT ");
2257 switch (option = (unsigned char) buf[++i]) {
2259 if (appData.debugMode)
2260 fprintf(debugFP, "%d ", option);
2261 /* Whatever this is, we are already not doing
2262 it, because we never agree to do anything
2263 non-default, so according to the protocol
2264 rules, we don't reply. */
2269 if (appData.debugMode)
2270 fprintf(debugFP, "\n<IAC ");
2271 /* Doubled IAC; pass it through */
2275 if (appData.debugMode)
2276 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2277 /* Drop all other telnet commands on the floor */
2280 if (oldi > next_out)
2281 SendToPlayer(&buf[next_out], oldi - next_out);
2287 /* OK, this at least will *usually* work */
2288 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2292 if (loggedOn && !intfSet) {
2293 if (ics_type == ICS_ICC) {
2295 "/set-quietly interface %s\n/set-quietly style 12\n",
2297 } else if (ics_type == ICS_CHESSNET) {
2298 sprintf(str, "/style 12\n");
2300 strcpy(str, "alias $ @\n$set interface ");
2301 strcat(str, programVersion);
2302 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2304 strcat(str, "$iset nohighlight 1\n");
2306 strcat(str, "$iset lock 1\n$style 12\n");
2309 NotifyFrontendLogin();
2313 if (started == STARTED_COMMENT) {
2314 /* Accumulate characters in comment */
2315 parse[parse_pos++] = buf[i];
2316 if (buf[i] == '\n') {
2317 parse[parse_pos] = NULLCHAR;
2318 if(chattingPartner>=0) {
2320 sprintf(mess, "%s%s", talker, parse);
2321 OutputChatMessage(chattingPartner, mess);
2322 chattingPartner = -1;
2324 if(!suppressKibitz) // [HGM] kibitz
2325 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2326 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2327 int nrDigit = 0, nrAlph = 0, j;
2328 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2329 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2330 parse[parse_pos] = NULLCHAR;
2331 // try to be smart: if it does not look like search info, it should go to
2332 // ICS interaction window after all, not to engine-output window.
2333 for(j=0; j<parse_pos; j++) { // count letters and digits
2334 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2335 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2336 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2338 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2339 int depth=0; float score;
2340 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2341 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2342 pvInfoList[forwardMostMove-1].depth = depth;
2343 pvInfoList[forwardMostMove-1].score = 100*score;
2345 OutputKibitz(suppressKibitz, parse);
2346 next_out = i+1; // [HGM] suppress printing in ICS window
2349 sprintf(tmp, _("your opponent kibitzes: %s"), parse);
2350 SendToPlayer(tmp, strlen(tmp));
2353 started = STARTED_NONE;
2355 /* Don't match patterns against characters in comment */
2360 if (started == STARTED_CHATTER) {
2361 if (buf[i] != '\n') {
2362 /* Don't match patterns against characters in chatter */
2366 started = STARTED_NONE;
2369 /* Kludge to deal with rcmd protocol */
2370 if (firstTime && looking_at(buf, &i, "\001*")) {
2371 DisplayFatalError(&buf[1], 0, 1);
2377 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2380 if (appData.debugMode)
2381 fprintf(debugFP, "ics_type %d\n", ics_type);
2384 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2385 ics_type = ICS_FICS;
2387 if (appData.debugMode)
2388 fprintf(debugFP, "ics_type %d\n", ics_type);
2391 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
2392 ics_type = ICS_CHESSNET;
2394 if (appData.debugMode)
2395 fprintf(debugFP, "ics_type %d\n", ics_type);
2400 (looking_at(buf, &i, "\"*\" is *a registered name") ||
2401 looking_at(buf, &i, "Logging you in as \"*\"") ||
2402 looking_at(buf, &i, "will be \"*\""))) {
2403 strcpy(ics_handle, star_match[0]);
2407 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
2409 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
2410 DisplayIcsInteractionTitle(buf);
2411 have_set_title = TRUE;
2414 /* skip finger notes */
2415 if (started == STARTED_NONE &&
2416 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
2417 (buf[i] == '1' && buf[i+1] == '0')) &&
2418 buf[i+2] == ':' && buf[i+3] == ' ') {
2419 started = STARTED_CHATTER;
2424 /* skip formula vars */
2425 if (started == STARTED_NONE &&
2426 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
2427 started = STARTED_CHATTER;
2433 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
2434 if (appData.autoKibitz && started == STARTED_NONE &&
2435 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
2436 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
2437 if(looking_at(buf, &i, "* kibitzes: ") &&
2438 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
2439 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
2440 suppressKibitz = TRUE;
2441 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
2442 && (gameMode == IcsPlayingWhite)) ||
2443 (StrStr(star_match[0], gameInfo.black) == star_match[0]
2444 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
2445 started = STARTED_CHATTER; // own kibitz we simply discard
2447 started = STARTED_COMMENT; // make sure it will be collected in parse[]
2448 parse_pos = 0; parse[0] = NULLCHAR;
2449 savingComment = TRUE;
2450 suppressKibitz = gameMode != IcsObserving ? 2 :
2451 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
2455 if(looking_at(buf, &i, "kibitzed to *\n") && atoi(star_match[0])) {
2456 // suppress the acknowledgements of our own autoKibitz
2457 SendToPlayer(star_match[0], strlen(star_match[0]));
2458 looking_at(buf, &i, "*% "); // eat prompt
2461 } // [HGM] kibitz: end of patch
2463 //if(appData.debugMode) fprintf(debugFP, "hunt for tell, buf = %s\n", buf+i);
2465 // [HGM] chat: intercept tells by users for which we have an open chat window
2467 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
2468 looking_at(buf, &i, "* whispers:") ||
2469 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
2470 looking_at(buf, &i, "*(*)(*):") && sscanf(star_match[2], "%d", &channel) == 1 )) {
2472 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
2473 chattingPartner = -1;
2475 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
2476 for(p=0; p<MAX_CHAT; p++) {
2477 if(channel == atoi(chatPartner[p])) {
2478 talker[0] = '['; strcat(talker, "]");
2479 chattingPartner = p; break;
2482 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
2483 for(p=0; p<MAX_CHAT; p++) {
2484 if(!strcmp("WHISPER", chatPartner[p])) {
2485 talker[0] = '['; strcat(talker, "]");
2486 chattingPartner = p; break;
2489 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
2490 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
2492 chattingPartner = p; break;
2494 if(chattingPartner<0) i = oldi; else {
2495 started = STARTED_COMMENT;
2496 parse_pos = 0; parse[0] = NULLCHAR;
2497 savingComment = TRUE;
2498 suppressKibitz = TRUE;
2500 } // [HGM] chat: end of patch
2502 if (appData.zippyTalk || appData.zippyPlay) {
2503 /* [DM] Backup address for color zippy lines */
2507 if (loggedOn == TRUE)
2508 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
2509 (appData.zippyPlay && ZippyMatch(buf, &backup)));
2511 if (ZippyControl(buf, &i) ||
2512 ZippyConverse(buf, &i) ||
2513 (appData.zippyPlay && ZippyMatch(buf, &i))) {
2515 if (!appData.colorize) continue;
2519 } // [DM] 'else { ' deleted
2521 /* Regular tells and says */
2522 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
2523 looking_at(buf, &i, "* (your partner) tells you: ") ||
2524 looking_at(buf, &i, "* says: ") ||
2525 /* Don't color "message" or "messages" output */
2526 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
2527 looking_at(buf, &i, "*. * at *:*: ") ||
2528 looking_at(buf, &i, "--* (*:*): ") ||
2529 /* Message notifications (same color as tells) */
2530 looking_at(buf, &i, "* has left a message ") ||
2531 looking_at(buf, &i, "* just sent you a message:\n") ||
2532 /* Whispers and kibitzes */
2533 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
2534 looking_at(buf, &i, "* kibitzes: ") ||
2536 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
2538 if (tkind == 1 && strchr(star_match[0], ':')) {
2539 /* Avoid "tells you:" spoofs in channels */
2542 if (star_match[0][0] == NULLCHAR ||
2543 strchr(star_match[0], ' ') ||
2544 (tkind == 3 && strchr(star_match[1], ' '))) {
2545 /* Reject bogus matches */
2548 if (appData.colorize) {
2549 if (oldi > next_out) {
2550 SendToPlayer(&buf[next_out], oldi - next_out);
2555 Colorize(ColorTell, FALSE);
2556 curColor = ColorTell;
2559 Colorize(ColorKibitz, FALSE);
2560 curColor = ColorKibitz;
2563 p = strrchr(star_match[1], '(');
2570 Colorize(ColorChannel1, FALSE);
2571 curColor = ColorChannel1;
2573 Colorize(ColorChannel, FALSE);
2574 curColor = ColorChannel;
2578 curColor = ColorNormal;
2582 if (started == STARTED_NONE && appData.autoComment &&
2583 (gameMode == IcsObserving ||
2584 gameMode == IcsPlayingWhite ||
2585 gameMode == IcsPlayingBlack)) {
2586 parse_pos = i - oldi;
2587 memcpy(parse, &buf[oldi], parse_pos);
2588 parse[parse_pos] = NULLCHAR;
2589 started = STARTED_COMMENT;
2590 savingComment = TRUE;
2592 started = STARTED_CHATTER;
2593 savingComment = FALSE;
2600 if (looking_at(buf, &i, "* s-shouts: ") ||
2601 looking_at(buf, &i, "* c-shouts: ")) {
2602 if (appData.colorize) {
2603 if (oldi > next_out) {
2604 SendToPlayer(&buf[next_out], oldi - next_out);
2607 Colorize(ColorSShout, FALSE);
2608 curColor = ColorSShout;
2611 started = STARTED_CHATTER;
2615 if (looking_at(buf, &i, "--->")) {
2620 if (looking_at(buf, &i, "* shouts: ") ||
2621 looking_at(buf, &i, "--> ")) {
2622 if (appData.colorize) {
2623 if (oldi > next_out) {
2624 SendToPlayer(&buf[next_out], oldi - next_out);
2627 Colorize(ColorShout, FALSE);
2628 curColor = ColorShout;
2631 started = STARTED_CHATTER;
2635 if (looking_at( buf, &i, "Challenge:")) {
2636 if (appData.colorize) {
2637 if (oldi > next_out) {
2638 SendToPlayer(&buf[next_out], oldi - next_out);
2641 Colorize(ColorChallenge, FALSE);
2642 curColor = ColorChallenge;
2648 if (looking_at(buf, &i, "* offers you") ||
2649 looking_at(buf, &i, "* offers to be") ||
2650 looking_at(buf, &i, "* would like to") ||
2651 looking_at(buf, &i, "* requests to") ||
2652 looking_at(buf, &i, "Your opponent offers") ||
2653 looking_at(buf, &i, "Your opponent requests")) {
2655 if (appData.colorize) {
2656 if (oldi > next_out) {
2657 SendToPlayer(&buf[next_out], oldi - next_out);
2660 Colorize(ColorRequest, FALSE);
2661 curColor = ColorRequest;
2666 if (looking_at(buf, &i, "* (*) seeking")) {
2667 if (appData.colorize) {
2668 if (oldi > next_out) {
2669 SendToPlayer(&buf[next_out], oldi - next_out);
2672 Colorize(ColorSeek, FALSE);
2673 curColor = ColorSeek;
2678 if (looking_at(buf, &i, "\\ ")) {
2679 if (prevColor != ColorNormal) {
2680 if (oldi > next_out) {
2681 SendToPlayer(&buf[next_out], oldi - next_out);
2684 Colorize(prevColor, TRUE);
2685 curColor = prevColor;
2687 if (savingComment) {
2688 parse_pos = i - oldi;
2689 memcpy(parse, &buf[oldi], parse_pos);
2690 parse[parse_pos] = NULLCHAR;
2691 started = STARTED_COMMENT;
2693 started = STARTED_CHATTER;
2698 if (looking_at(buf, &i, "Black Strength :") ||
2699 looking_at(buf, &i, "<<< style 10 board >>>") ||
2700 looking_at(buf, &i, "<10>") ||
2701 looking_at(buf, &i, "#@#")) {
2702 /* Wrong board style */
2704 SendToICS(ics_prefix);
2705 SendToICS("set style 12\n");
2706 SendToICS(ics_prefix);
2707 SendToICS("refresh\n");
2711 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
2713 have_sent_ICS_logon = 1;
2717 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
2718 (looking_at(buf, &i, "\n<12> ") ||
2719 looking_at(buf, &i, "<12> "))) {
2721 if (oldi > next_out) {
2722 SendToPlayer(&buf[next_out], oldi - next_out);
2725 started = STARTED_BOARD;
2730 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
2731 looking_at(buf, &i, "<b1> ")) {
2732 if (oldi > next_out) {
2733 SendToPlayer(&buf[next_out], oldi - next_out);
2736 started = STARTED_HOLDINGS;
2741 if (looking_at(buf, &i, "* *vs. * *--- *")) {
2743 /* Header for a move list -- first line */
2745 switch (ics_getting_history) {
2749 case BeginningOfGame:
2750 /* User typed "moves" or "oldmoves" while we
2751 were idle. Pretend we asked for these
2752 moves and soak them up so user can step
2753 through them and/or save them.
2756 gameMode = IcsObserving;
2759 ics_getting_history = H_GOT_UNREQ_HEADER;
2761 case EditGame: /*?*/
2762 case EditPosition: /*?*/
2763 /* Should above feature work in these modes too? */
2764 /* For now it doesn't */
2765 ics_getting_history = H_GOT_UNWANTED_HEADER;
2768 ics_getting_history = H_GOT_UNWANTED_HEADER;
2773 /* Is this the right one? */
2774 if (gameInfo.white && gameInfo.black &&
2775 strcmp(gameInfo.white, star_match[0]) == 0 &&
2776 strcmp(gameInfo.black, star_match[2]) == 0) {
2778 ics_getting_history = H_GOT_REQ_HEADER;
2781 case H_GOT_REQ_HEADER:
2782 case H_GOT_UNREQ_HEADER:
2783 case H_GOT_UNWANTED_HEADER:
2784 case H_GETTING_MOVES:
2785 /* Should not happen */
2786 DisplayError(_("Error gathering move list: two headers"), 0);
2787 ics_getting_history = H_FALSE;
2791 /* Save player ratings into gameInfo if needed */
2792 if ((ics_getting_history == H_GOT_REQ_HEADER ||
2793 ics_getting_history == H_GOT_UNREQ_HEADER) &&
2794 (gameInfo.whiteRating == -1 ||
2795 gameInfo.blackRating == -1)) {
2797 gameInfo.whiteRating = string_to_rating(star_match[1]);
2798 gameInfo.blackRating = string_to_rating(star_match[3]);
2799 if (appData.debugMode)
2800 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
2801 gameInfo.whiteRating, gameInfo.blackRating);
2806 if (looking_at(buf, &i,
2807 "* * match, initial time: * minute*, increment: * second")) {
2808 /* Header for a move list -- second line */
2809 /* Initial board will follow if this is a wild game */
2810 if (gameInfo.event != NULL) free(gameInfo.event);
2811 sprintf(str, "ICS %s %s match", star_match[0], star_match[1]);
2812 gameInfo.event = StrSave(str);
2813 /* [HGM] we switched variant. Translate boards if needed. */
2814 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
2818 if (looking_at(buf, &i, "Move ")) {
2819 /* Beginning of a move list */
2820 switch (ics_getting_history) {
2822 /* Normally should not happen */
2823 /* Maybe user hit reset while we were parsing */
2826 /* Happens if we are ignoring a move list that is not
2827 * the one we just requested. Common if the user
2828 * tries to observe two games without turning off
2831 case H_GETTING_MOVES:
2832 /* Should not happen */
2833 DisplayError(_("Error gathering move list: nested"), 0);
2834 ics_getting_history = H_FALSE;
2836 case H_GOT_REQ_HEADER:
2837 ics_getting_history = H_GETTING_MOVES;
2838 started = STARTED_MOVES;
2840 if (oldi > next_out) {
2841 SendToPlayer(&buf[next_out], oldi - next_out);
2844 case H_GOT_UNREQ_HEADER:
2845 ics_getting_history = H_GETTING_MOVES;
2846 started = STARTED_MOVES_NOHIDE;
2849 case H_GOT_UNWANTED_HEADER:
2850 ics_getting_history = H_FALSE;
2856 if (looking_at(buf, &i, "% ") ||
2857 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
2858 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
2859 if(suppressKibitz) next_out = i;
2860 savingComment = FALSE;
2864 case STARTED_MOVES_NOHIDE:
2865 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
2866 parse[parse_pos + i - oldi] = NULLCHAR;
2867 ParseGameHistory(parse);
2869 if (appData.zippyPlay && first.initDone) {
2870 FeedMovesToProgram(&first, forwardMostMove);
2871 if (gameMode == IcsPlayingWhite) {
2872 if (WhiteOnMove(forwardMostMove)) {
2873 if (first.sendTime) {
2874 if (first.useColors) {
2875 SendToProgram("black\n", &first);
2877 SendTimeRemaining(&first, TRUE);
2879 if (first.useColors) {
2880 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
2882 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
2883 first.maybeThinking = TRUE;
2885 if (first.usePlayother) {
2886 if (first.sendTime) {
2887 SendTimeRemaining(&first, TRUE);
2889 SendToProgram("playother\n", &first);
2895 } else if (gameMode == IcsPlayingBlack) {
2896 if (!WhiteOnMove(forwardMostMove)) {
2897 if (first.sendTime) {
2898 if (first.useColors) {
2899 SendToProgram("white\n", &first);
2901 SendTimeRemaining(&first, FALSE);
2903 if (first.useColors) {
2904 SendToProgram("black\n", &first);
2906 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
2907 first.maybeThinking = TRUE;
2909 if (first.usePlayother) {
2910 if (first.sendTime) {
2911 SendTimeRemaining(&first, FALSE);
2913 SendToProgram("playother\n", &first);
2922 if (gameMode == IcsObserving && ics_gamenum == -1) {
2923 /* Moves came from oldmoves or moves command
2924 while we weren't doing anything else.
2926 currentMove = forwardMostMove;
2927 ClearHighlights();/*!!could figure this out*/
2928 flipView = appData.flipView;
2929 DrawPosition(TRUE, boards[currentMove]);
2930 DisplayBothClocks();
2931 sprintf(str, "%s vs. %s",
2932 gameInfo.white, gameInfo.black);
2936 /* Moves were history of an active game */
2937 if (gameInfo.resultDetails != NULL) {
2938 free(gameInfo.resultDetails);
2939 gameInfo.resultDetails = NULL;
2942 HistorySet(parseList, backwardMostMove,
2943 forwardMostMove, currentMove-1);
2944 DisplayMove(currentMove - 1);
2945 if (started == STARTED_MOVES) next_out = i;
2946 started = STARTED_NONE;
2947 ics_getting_history = H_FALSE;
2950 case STARTED_OBSERVE:
2951 started = STARTED_NONE;
2952 SendToICS(ics_prefix);
2953 SendToICS("refresh\n");
2959 if(bookHit) { // [HGM] book: simulate book reply
2960 static char bookMove[MSG_SIZ]; // a bit generous?
2962 programStats.nodes = programStats.depth = programStats.time =
2963 programStats.score = programStats.got_only_move = 0;
2964 sprintf(programStats.movelist, "%s (xbook)", bookHit);
2966 strcpy(bookMove, "move ");
2967 strcat(bookMove, bookHit);
2968 HandleMachineMove(bookMove, &first);
2973 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
2974 started == STARTED_HOLDINGS ||
2975 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
2976 /* Accumulate characters in move list or board */
2977 parse[parse_pos++] = buf[i];
2980 /* Start of game messages. Mostly we detect start of game
2981 when the first board image arrives. On some versions
2982 of the ICS, though, we need to do a "refresh" after starting
2983 to observe in order to get the current board right away. */
2984 if (looking_at(buf, &i, "Adding game * to observation list")) {
2985 started = STARTED_OBSERVE;
2989 /* Handle auto-observe */
2990 if (appData.autoObserve &&
2991 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
2992 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
2994 /* Choose the player that was highlighted, if any. */
2995 if (star_match[0][0] == '\033' ||
2996 star_match[1][0] != '\033') {
2997 player = star_match[0];
2999 player = star_match[2];
3001 sprintf(str, "%sobserve %s\n",
3002 ics_prefix, StripHighlightAndTitle(player));
3005 /* Save ratings from notify string */
3006 strcpy(player1Name, star_match[0]);
3007 player1Rating = string_to_rating(star_match[1]);
3008 strcpy(player2Name, star_match[2]);
3009 player2Rating = string_to_rating(star_match[3]);
3011 if (appData.debugMode)
3013 "Ratings from 'Game notification:' %s %d, %s %d\n",
3014 player1Name, player1Rating,
3015 player2Name, player2Rating);
3020 /* Deal with automatic examine mode after a game,
3021 and with IcsObserving -> IcsExamining transition */
3022 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3023 looking_at(buf, &i, "has made you an examiner of game *")) {
3025 int gamenum = atoi(star_match[0]);
3026 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3027 gamenum == ics_gamenum) {
3028 /* We were already playing or observing this game;
3029 no need to refetch history */
3030 gameMode = IcsExamining;
3032 pauseExamForwardMostMove = forwardMostMove;
3033 } else if (currentMove < forwardMostMove) {
3034 ForwardInner(forwardMostMove);
3037 /* I don't think this case really can happen */
3038 SendToICS(ics_prefix);
3039 SendToICS("refresh\n");
3044 /* Error messages */
3045 // if (ics_user_moved) {
3046 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3047 if (looking_at(buf, &i, "Illegal move") ||
3048 looking_at(buf, &i, "Not a legal move") ||
3049 looking_at(buf, &i, "Your king is in check") ||
3050 looking_at(buf, &i, "It isn't your turn") ||
3051 looking_at(buf, &i, "It is not your move")) {
3053 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3054 currentMove = --forwardMostMove;
3055 DisplayMove(currentMove - 1); /* before DMError */
3056 DrawPosition(FALSE, boards[currentMove]);
3058 DisplayBothClocks();
3060 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3066 if (looking_at(buf, &i, "still have time") ||
3067 looking_at(buf, &i, "not out of time") ||
3068 looking_at(buf, &i, "either player is out of time") ||
3069 looking_at(buf, &i, "has timeseal; checking")) {
3070 /* We must have called his flag a little too soon */
3071 whiteFlag = blackFlag = FALSE;
3075 if (looking_at(buf, &i, "added * seconds to") ||
3076 looking_at(buf, &i, "seconds were added to")) {
3077 /* Update the clocks */
3078 SendToICS(ics_prefix);
3079 SendToICS("refresh\n");
3083 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3084 ics_clock_paused = TRUE;
3089 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3090 ics_clock_paused = FALSE;
3095 /* Grab player ratings from the Creating: message.
3096 Note we have to check for the special case when
3097 the ICS inserts things like [white] or [black]. */
3098 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3099 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3101 0 player 1 name (not necessarily white)
3103 2 empty, white, or black (IGNORED)
3104 3 player 2 name (not necessarily black)
3107 The names/ratings are sorted out when the game
3108 actually starts (below).
3110 strcpy(player1Name, StripHighlightAndTitle(star_match[0]));
3111 player1Rating = string_to_rating(star_match[1]);
3112 strcpy(player2Name, StripHighlightAndTitle(star_match[3]));
3113 player2Rating = string_to_rating(star_match[4]);
3115 if (appData.debugMode)
3117 "Ratings from 'Creating:' %s %d, %s %d\n",
3118 player1Name, player1Rating,
3119 player2Name, player2Rating);
3124 /* Improved generic start/end-of-game messages */
3125 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3126 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3127 /* If tkind == 0: */
3128 /* star_match[0] is the game number */
3129 /* [1] is the white player's name */
3130 /* [2] is the black player's name */
3131 /* For end-of-game: */
3132 /* [3] is the reason for the game end */
3133 /* [4] is a PGN end game-token, preceded by " " */
3134 /* For start-of-game: */
3135 /* [3] begins with "Creating" or "Continuing" */
3136 /* [4] is " *" or empty (don't care). */
3137 int gamenum = atoi(star_match[0]);
3138 char *whitename, *blackname, *why, *endtoken;
3139 ChessMove endtype = (ChessMove) 0;
3142 whitename = star_match[1];
3143 blackname = star_match[2];
3144 why = star_match[3];
3145 endtoken = star_match[4];
3147 whitename = star_match[1];
3148 blackname = star_match[3];
3149 why = star_match[5];
3150 endtoken = star_match[6];
3153 /* Game start messages */
3154 if (strncmp(why, "Creating ", 9) == 0 ||
3155 strncmp(why, "Continuing ", 11) == 0) {
3156 gs_gamenum = gamenum;
3157 strcpy(gs_kind, strchr(why, ' ') + 1);
3158 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3160 if (appData.zippyPlay) {
3161 ZippyGameStart(whitename, blackname);
3167 /* Game end messages */
3168 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3169 ics_gamenum != gamenum) {
3172 while (endtoken[0] == ' ') endtoken++;
3173 switch (endtoken[0]) {
3176 endtype = GameUnfinished;
3179 endtype = BlackWins;
3182 if (endtoken[1] == '/')
3183 endtype = GameIsDrawn;
3185 endtype = WhiteWins;
3188 GameEnds(endtype, why, GE_ICS);
3190 if (appData.zippyPlay && first.initDone) {
3191 ZippyGameEnd(endtype, why);
3192 if (first.pr == NULL) {
3193 /* Start the next process early so that we'll
3194 be ready for the next challenge */
3195 StartChessProgram(&first);
3197 /* Send "new" early, in case this command takes
3198 a long time to finish, so that we'll be ready
3199 for the next challenge. */
3200 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3207 if (looking_at(buf, &i, "Removing game * from observation") ||
3208 looking_at(buf, &i, "no longer observing game *") ||
3209 looking_at(buf, &i, "Game * (*) has no examiners")) {
3210 if (gameMode == IcsObserving &&
3211 atoi(star_match[0]) == ics_gamenum)
3213 /* icsEngineAnalyze */
3214 if (appData.icsEngineAnalyze) {
3221 ics_user_moved = FALSE;
3226 if (looking_at(buf, &i, "no longer examining game *")) {
3227 if (gameMode == IcsExamining &&
3228 atoi(star_match[0]) == ics_gamenum)
3232 ics_user_moved = FALSE;
3237 /* Advance leftover_start past any newlines we find,
3238 so only partial lines can get reparsed */
3239 if (looking_at(buf, &i, "\n")) {
3240 prevColor = curColor;
3241 if (curColor != ColorNormal) {
3242 if (oldi > next_out) {
3243 SendToPlayer(&buf[next_out], oldi - next_out);
3246 Colorize(ColorNormal, FALSE);
3247 curColor = ColorNormal;
3249 if (started == STARTED_BOARD) {
3250 started = STARTED_NONE;
3251 parse[parse_pos] = NULLCHAR;
3252 ParseBoard12(parse);
3255 /* Send premove here */
3256 if (appData.premove) {
3258 if (currentMove == 0 &&
3259 gameMode == IcsPlayingWhite &&
3260 appData.premoveWhite) {
3261 sprintf(str, "%s\n", appData.premoveWhiteText);
3262 if (appData.debugMode)
3263 fprintf(debugFP, "Sending premove:\n");
3265 } else if (currentMove == 1 &&
3266 gameMode == IcsPlayingBlack &&
3267 appData.premoveBlack) {
3268 sprintf(str, "%s\n", appData.premoveBlackText);
3269 if (appData.debugMode)
3270 fprintf(debugFP, "Sending premove:\n");
3272 } else if (gotPremove) {
3274 ClearPremoveHighlights();
3275 if (appData.debugMode)
3276 fprintf(debugFP, "Sending premove:\n");
3277 UserMoveEvent(premoveFromX, premoveFromY,
3278 premoveToX, premoveToY,
3283 /* Usually suppress following prompt */
3284 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3285 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3286 if (looking_at(buf, &i, "*% ")) {
3287 savingComment = FALSE;
3292 } else if (started == STARTED_HOLDINGS) {
3294 char new_piece[MSG_SIZ];
3295 started = STARTED_NONE;
3296 parse[parse_pos] = NULLCHAR;
3297 if (appData.debugMode)
3298 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
3299 parse, currentMove);
3300 if (sscanf(parse, " game %d", &gamenum) == 1 &&
3301 gamenum == ics_gamenum) {
3302 if (gameInfo.variant == VariantNormal) {
3303 /* [HGM] We seem to switch variant during a game!
3304 * Presumably no holdings were displayed, so we have
3305 * to move the position two files to the right to
3306 * create room for them!
3308 VariantClass newVariant;
3309 switch(gameInfo.boardWidth) { // base guess on board width
3310 case 9: newVariant = VariantShogi; break;
3311 case 10: newVariant = VariantGreat; break;
3312 default: newVariant = VariantCrazyhouse; break;
3314 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3315 /* Get a move list just to see the header, which
3316 will tell us whether this is really bug or zh */
3317 if (ics_getting_history == H_FALSE) {
3318 ics_getting_history = H_REQUESTED;
3319 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3323 new_piece[0] = NULLCHAR;
3324 sscanf(parse, "game %d white [%s black [%s <- %s",
3325 &gamenum, white_holding, black_holding,
3327 white_holding[strlen(white_holding)-1] = NULLCHAR;
3328 black_holding[strlen(black_holding)-1] = NULLCHAR;
3329 /* [HGM] copy holdings to board holdings area */
3330 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
3331 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
3332 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
3334 if (appData.zippyPlay && first.initDone) {
3335 ZippyHoldings(white_holding, black_holding,
3339 if (tinyLayout || smallLayout) {
3340 char wh[16], bh[16];
3341 PackHolding(wh, white_holding);
3342 PackHolding(bh, black_holding);
3343 sprintf(str, "[%s-%s] %s-%s", wh, bh,
3344 gameInfo.white, gameInfo.black);
3346 sprintf(str, "%s [%s] vs. %s [%s]",
3347 gameInfo.white, white_holding,
3348 gameInfo.black, black_holding);
3351 DrawPosition(FALSE, boards[currentMove]);
3354 /* Suppress following prompt */
3355 if (looking_at(buf, &i, "*% ")) {
3356 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
3357 savingComment = FALSE;
3365 i++; /* skip unparsed character and loop back */
3368 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
3369 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
3370 // SendToPlayer(&buf[next_out], i - next_out);
3371 started != STARTED_HOLDINGS && leftover_start > next_out) {
3372 SendToPlayer(&buf[next_out], leftover_start - next_out);
3376 leftover_len = buf_len - leftover_start;
3377 /* if buffer ends with something we couldn't parse,
3378 reparse it after appending the next read */
3380 } else if (count == 0) {
3381 RemoveInputSource(isr);
3382 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
3384 DisplayFatalError(_("Error reading from ICS"), error, 1);
3389 /* Board style 12 looks like this:
3391 <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
3393 * The "<12> " is stripped before it gets to this routine. The two
3394 * trailing 0's (flip state and clock ticking) are later addition, and
3395 * some chess servers may not have them, or may have only the first.
3396 * Additional trailing fields may be added in the future.
3399 #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"
3401 #define RELATION_OBSERVING_PLAYED 0
3402 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
3403 #define RELATION_PLAYING_MYMOVE 1
3404 #define RELATION_PLAYING_NOTMYMOVE -1
3405 #define RELATION_EXAMINING 2
3406 #define RELATION_ISOLATED_BOARD -3
3407 #define RELATION_STARTING_POSITION -4 /* FICS only */
3410 ParseBoard12(string)
3413 GameMode newGameMode;
3414 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
3415 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
3416 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
3417 char to_play, board_chars[200];
3418 char move_str[500], str[500], elapsed_time[500];
3419 char black[32], white[32];
3421 int prevMove = currentMove;
3424 int fromX, fromY, toX, toY;
3426 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
3427 char *bookHit = NULL; // [HGM] book
3428 Boolean weird = FALSE, reqFlag = FALSE;
3430 fromX = fromY = toX = toY = -1;
3434 if (appData.debugMode)
3435 fprintf(debugFP, _("Parsing board: %s\n"), string);
3437 move_str[0] = NULLCHAR;
3438 elapsed_time[0] = NULLCHAR;
3439 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
3441 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
3442 if(string[i] == ' ') { ranks++; files = 0; }
3444 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
3447 for(j = 0; j <i; j++) board_chars[j] = string[j];
3448 board_chars[i] = '\0';
3451 n = sscanf(string, PATTERN, &to_play, &double_push,
3452 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
3453 &gamenum, white, black, &relation, &basetime, &increment,
3454 &white_stren, &black_stren, &white_time, &black_time,
3455 &moveNum, str, elapsed_time, move_str, &ics_flip,
3459 snprintf(str, sizeof(str), _("Failed to parse board string:\n\"%s\""), string);
3460 DisplayError(str, 0);
3464 /* Convert the move number to internal form */
3465 moveNum = (moveNum - 1) * 2;
3466 if (to_play == 'B') moveNum++;
3467 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
3468 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
3474 case RELATION_OBSERVING_PLAYED:
3475 case RELATION_OBSERVING_STATIC:
3476 if (gamenum == -1) {
3477 /* Old ICC buglet */
3478 relation = RELATION_OBSERVING_STATIC;
3480 newGameMode = IcsObserving;
3482 case RELATION_PLAYING_MYMOVE:
3483 case RELATION_PLAYING_NOTMYMOVE:
3485 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
3486 IcsPlayingWhite : IcsPlayingBlack;
3488 case RELATION_EXAMINING:
3489 newGameMode = IcsExamining;
3491 case RELATION_ISOLATED_BOARD:
3493 /* Just display this board. If user was doing something else,
3494 we will forget about it until the next board comes. */
3495 newGameMode = IcsIdle;
3497 case RELATION_STARTING_POSITION:
3498 newGameMode = gameMode;
3502 /* Modify behavior for initial board display on move listing
3505 switch (ics_getting_history) {
3509 case H_GOT_REQ_HEADER:
3510 case H_GOT_UNREQ_HEADER:
3511 /* This is the initial position of the current game */
3512 gamenum = ics_gamenum;
3513 moveNum = 0; /* old ICS bug workaround */
3514 if (to_play == 'B') {
3515 startedFromSetupPosition = TRUE;
3516 blackPlaysFirst = TRUE;
3518 if (forwardMostMove == 0) forwardMostMove = 1;
3519 if (backwardMostMove == 0) backwardMostMove = 1;
3520 if (currentMove == 0) currentMove = 1;
3522 newGameMode = gameMode;
3523 relation = RELATION_STARTING_POSITION; /* ICC needs this */
3525 case H_GOT_UNWANTED_HEADER:
3526 /* This is an initial board that we don't want */
3528 case H_GETTING_MOVES:
3529 /* Should not happen */
3530 DisplayError(_("Error gathering move list: extra board"), 0);
3531 ics_getting_history = H_FALSE;
3535 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
3536 weird && (int)gameInfo.variant <= (int)VariantShogi) {
3537 /* [HGM] We seem to have switched variant unexpectedly
3538 * Try to guess new variant from board size
3540 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
3541 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
3542 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
3543 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
3544 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
3545 if(!weird) newVariant = VariantNormal;
3546 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3547 /* Get a move list just to see the header, which
3548 will tell us whether this is really bug or zh */
3549 if (ics_getting_history == H_FALSE) {
3550 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
3551 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3556 /* Take action if this is the first board of a new game, or of a
3557 different game than is currently being displayed. */
3558 if (gamenum != ics_gamenum || newGameMode != gameMode ||
3559 relation == RELATION_ISOLATED_BOARD) {
3561 /* Forget the old game and get the history (if any) of the new one */
3562 if (gameMode != BeginningOfGame) {
3566 if (appData.autoRaiseBoard) BoardToTop();
3568 if (gamenum == -1) {
3569 newGameMode = IcsIdle;
3570 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
3571 appData.getMoveList && !reqFlag) {
3572 /* Need to get game history */
3573 ics_getting_history = H_REQUESTED;
3574 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3578 /* Initially flip the board to have black on the bottom if playing
3579 black or if the ICS flip flag is set, but let the user change
3580 it with the Flip View button. */
3581 flipView = appData.autoFlipView ?
3582 (newGameMode == IcsPlayingBlack) || ics_flip :
3585 /* Done with values from previous mode; copy in new ones */
3586 gameMode = newGameMode;
3588 ics_gamenum = gamenum;
3589 if (gamenum == gs_gamenum) {
3590 int klen = strlen(gs_kind);
3591 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
3592 sprintf(str, "ICS %s", gs_kind);
3593 gameInfo.event = StrSave(str);
3595 gameInfo.event = StrSave("ICS game");
3597 gameInfo.site = StrSave(appData.icsHost);
3598 gameInfo.date = PGNDate();
3599 gameInfo.round = StrSave("-");
3600 gameInfo.white = StrSave(white);
3601 gameInfo.black = StrSave(black);
3602 timeControl = basetime * 60 * 1000;
3604 timeIncrement = increment * 1000;
3605 movesPerSession = 0;
3606 gameInfo.timeControl = TimeControlTagValue();
3607 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
3608 if (appData.debugMode) {
3609 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
3610 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
3611 setbuf(debugFP, NULL);
3614 gameInfo.outOfBook = NULL;
3616 /* Do we have the ratings? */
3617 if (strcmp(player1Name, white) == 0 &&
3618 strcmp(player2Name, black) == 0) {
3619 if (appData.debugMode)
3620 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
3621 player1Rating, player2Rating);
3622 gameInfo.whiteRating = player1Rating;
3623 gameInfo.blackRating = player2Rating;
3624 } else if (strcmp(player2Name, white) == 0 &&
3625 strcmp(player1Name, black) == 0) {
3626 if (appData.debugMode)
3627 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
3628 player2Rating, player1Rating);
3629 gameInfo.whiteRating = player2Rating;
3630 gameInfo.blackRating = player1Rating;
3632 player1Name[0] = player2Name[0] = NULLCHAR;
3634 /* Silence shouts if requested */
3635 if (appData.quietPlay &&
3636 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
3637 SendToICS(ics_prefix);
3638 SendToICS("set shout 0\n");
3642 /* Deal with midgame name changes */
3644 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
3645 if (gameInfo.white) free(gameInfo.white);
3646 gameInfo.white = StrSave(white);
3648 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
3649 if (gameInfo.black) free(gameInfo.black);
3650 gameInfo.black = StrSave(black);
3654 /* Throw away game result if anything actually changes in examine mode */
3655 if (gameMode == IcsExamining && !newGame) {
3656 gameInfo.result = GameUnfinished;
3657 if (gameInfo.resultDetails != NULL) {
3658 free(gameInfo.resultDetails);
3659 gameInfo.resultDetails = NULL;
3663 /* In pausing && IcsExamining mode, we ignore boards coming
3664 in if they are in a different variation than we are. */
3665 if (pauseExamInvalid) return;
3666 if (pausing && gameMode == IcsExamining) {
3667 if (moveNum <= pauseExamForwardMostMove) {
3668 pauseExamInvalid = TRUE;
3669 forwardMostMove = pauseExamForwardMostMove;
3674 if (appData.debugMode) {
3675 fprintf(debugFP, "load %dx%d board\n", files, ranks);
3677 /* Parse the board */
3678 for (k = 0; k < ranks; k++) {
3679 for (j = 0; j < files; j++)
3680 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
3681 if(gameInfo.holdingsWidth > 1) {
3682 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
3683 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
3686 CopyBoard(boards[moveNum], board);
3687 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
3689 startedFromSetupPosition =
3690 !CompareBoards(board, initialPosition);
3691 if(startedFromSetupPosition)
3692 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
3695 /* [HGM] Set castling rights. Take the outermost Rooks,
3696 to make it also work for FRC opening positions. Note that board12
3697 is really defective for later FRC positions, as it has no way to
3698 indicate which Rook can castle if they are on the same side of King.
3699 For the initial position we grant rights to the outermost Rooks,
3700 and remember thos rights, and we then copy them on positions
3701 later in an FRC game. This means WB might not recognize castlings with
3702 Rooks that have moved back to their original position as illegal,
3703 but in ICS mode that is not its job anyway.
3705 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
3706 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
3708 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
3709 if(board[0][i] == WhiteRook) j = i;
3710 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
3711 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
3712 if(board[0][i] == WhiteRook) j = i;
3713 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
3714 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
3715 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
3716 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
3717 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
3718 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
3719 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
3721 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
3722 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
3723 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
3724 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
3725 if(board[BOARD_HEIGHT-1][k] == bKing)
3726 initialRights[5] = boards[moveNum][CASTLING][5] = k;
3727 if(gameInfo.variant == VariantTwoKings) {
3728 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
3729 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
3730 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
3733 r = boards[moveNum][CASTLING][0] = initialRights[0];
3734 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
3735 r = boards[moveNum][CASTLING][1] = initialRights[1];
3736 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
3737 r = boards[moveNum][CASTLING][3] = initialRights[3];
3738 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
3739 r = boards[moveNum][CASTLING][4] = initialRights[4];
3740 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
3741 /* wildcastle kludge: always assume King has rights */
3742 r = boards[moveNum][CASTLING][2] = initialRights[2];
3743 r = boards[moveNum][CASTLING][5] = initialRights[5];
3745 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
3746 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
3749 if (ics_getting_history == H_GOT_REQ_HEADER ||
3750 ics_getting_history == H_GOT_UNREQ_HEADER) {
3751 /* This was an initial position from a move list, not
3752 the current position */
3756 /* Update currentMove and known move number limits */
3757 newMove = newGame || moveNum > forwardMostMove;
3760 forwardMostMove = backwardMostMove = currentMove = moveNum;
3761 if (gameMode == IcsExamining && moveNum == 0) {
3762 /* Workaround for ICS limitation: we are not told the wild
3763 type when starting to examine a game. But if we ask for
3764 the move list, the move list header will tell us */
3765 ics_getting_history = H_REQUESTED;
3766 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3769 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
3770 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
3772 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
3773 /* [HGM] applied this also to an engine that is silently watching */
3774 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
3775 (gameMode == IcsObserving || gameMode == IcsExamining) &&
3776 gameInfo.variant == currentlyInitializedVariant) {
3777 takeback = forwardMostMove - moveNum;
3778 for (i = 0; i < takeback; i++) {
3779 if (appData.debugMode) fprintf(debugFP, "take back move\n");
3780 SendToProgram("undo\n", &first);
3785 forwardMostMove = moveNum;
3786 if (!pausing || currentMove > forwardMostMove)
3787 currentMove = forwardMostMove;
3789 /* New part of history that is not contiguous with old part */
3790 if (pausing && gameMode == IcsExamining) {
3791 pauseExamInvalid = TRUE;
3792 forwardMostMove = pauseExamForwardMostMove;
3795 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
3797 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
3798 // [HGM] when we will receive the move list we now request, it will be
3799 // fed to the engine from the first move on. So if the engine is not
3800 // in the initial position now, bring it there.
3801 InitChessProgram(&first, 0);
3804 ics_getting_history = H_REQUESTED;
3805 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3808 forwardMostMove = backwardMostMove = currentMove = moveNum;
3811 /* Update the clocks */
3812 if (strchr(elapsed_time, '.')) {
3814 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
3815 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
3817 /* Time is in seconds */
3818 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
3819 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
3824 if (appData.zippyPlay && newGame &&
3825 gameMode != IcsObserving && gameMode != IcsIdle &&
3826 gameMode != IcsExamining)
3827 ZippyFirstBoard(moveNum, basetime, increment);
3830 /* Put the move on the move list, first converting
3831 to canonical algebraic form. */
3833 if (appData.debugMode) {
3834 if (appData.debugMode) { int f = forwardMostMove;
3835 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
3836 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
3837 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
3839 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
3840 fprintf(debugFP, "moveNum = %d\n", moveNum);
3841 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
3842 setbuf(debugFP, NULL);
3844 if (moveNum <= backwardMostMove) {
3845 /* We don't know what the board looked like before
3847 strcpy(parseList[moveNum - 1], move_str);
3848 strcat(parseList[moveNum - 1], " ");
3849 strcat(parseList[moveNum - 1], elapsed_time);
3850 moveList[moveNum - 1][0] = NULLCHAR;
3851 } else if (strcmp(move_str, "none") == 0) {
3852 // [HGM] long SAN: swapped order; test for 'none' before parsing move
3853 /* Again, we don't know what the board looked like;
3854 this is really the start of the game. */
3855 parseList[moveNum - 1][0] = NULLCHAR;
3856 moveList[moveNum - 1][0] = NULLCHAR;
3857 backwardMostMove = moveNum;
3858 startedFromSetupPosition = TRUE;
3859 fromX = fromY = toX = toY = -1;
3861 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
3862 // So we parse the long-algebraic move string in stead of the SAN move
3863 int valid; char buf[MSG_SIZ], *prom;
3865 // str looks something like "Q/a1-a2"; kill the slash
3867 sprintf(buf, "%c%s", str[0], str+2);
3868 else strcpy(buf, str); // might be castling
3869 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
3870 strcat(buf, prom); // long move lacks promo specification!
3871 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
3872 if(appData.debugMode)
3873 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
3874 strcpy(move_str, buf);
3876 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
3877 &fromX, &fromY, &toX, &toY, &promoChar)
3878 || ParseOneMove(buf, moveNum - 1, &moveType,
3879 &fromX, &fromY, &toX, &toY, &promoChar);
3880 // end of long SAN patch
3882 (void) CoordsToAlgebraic(boards[moveNum - 1],
3883 PosFlags(moveNum - 1),
3884 fromY, fromX, toY, toX, promoChar,
3885 parseList[moveNum-1]);
3886 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
3892 if(gameInfo.variant != VariantShogi)
3893 strcat(parseList[moveNum - 1], "+");
3896 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
3897 strcat(parseList[moveNum - 1], "#");
3900 strcat(parseList[moveNum - 1], " ");
3901 strcat(parseList[moveNum - 1], elapsed_time);
3902 /* currentMoveString is set as a side-effect of ParseOneMove */
3903 strcpy(moveList[moveNum - 1], currentMoveString);
3904 strcat(moveList[moveNum - 1], "\n");
3906 /* Move from ICS was illegal!? Punt. */
3907 if (appData.debugMode) {
3908 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
3909 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
3911 strcpy(parseList[moveNum - 1], move_str);
3912 strcat(parseList[moveNum - 1], " ");
3913 strcat(parseList[moveNum - 1], elapsed_time);
3914 moveList[moveNum - 1][0] = NULLCHAR;
3915 fromX = fromY = toX = toY = -1;
3918 if (appData.debugMode) {
3919 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
3920 setbuf(debugFP, NULL);
3924 /* Send move to chess program (BEFORE animating it). */
3925 if (appData.zippyPlay && !newGame && newMove &&
3926 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
3928 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
3929 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
3930 if (moveList[moveNum - 1][0] == NULLCHAR) {
3931 sprintf(str, _("Couldn't parse move \"%s\" from ICS"),
3933 DisplayError(str, 0);
3935 if (first.sendTime) {
3936 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
3938 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
3939 if (firstMove && !bookHit) {
3941 if (first.useColors) {
3942 SendToProgram(gameMode == IcsPlayingWhite ?
3944 "black\ngo\n", &first);
3946 SendToProgram("go\n", &first);
3948 first.maybeThinking = TRUE;
3951 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
3952 if (moveList[moveNum - 1][0] == NULLCHAR) {
3953 sprintf(str, _("Couldn't parse move \"%s\" from ICS"), move_str);
3954 DisplayError(str, 0);
3956 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
3957 SendMoveToProgram(moveNum - 1, &first);
3964 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
3965 /* If move comes from a remote source, animate it. If it
3966 isn't remote, it will have already been animated. */
3967 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
3968 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
3970 if (!pausing && appData.highlightLastMove) {
3971 SetHighlights(fromX, fromY, toX, toY);
3975 /* Start the clocks */
3976 whiteFlag = blackFlag = FALSE;
3977 appData.clockMode = !(basetime == 0 && increment == 0);
3979 ics_clock_paused = TRUE;
3981 } else if (ticking == 1) {
3982 ics_clock_paused = FALSE;
3984 if (gameMode == IcsIdle ||
3985 relation == RELATION_OBSERVING_STATIC ||
3986 relation == RELATION_EXAMINING ||
3988 DisplayBothClocks();
3992 /* Display opponents and material strengths */
3993 if (gameInfo.variant != VariantBughouse &&
3994 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
3995 if (tinyLayout || smallLayout) {
3996 if(gameInfo.variant == VariantNormal)
3997 sprintf(str, "%s(%d) %s(%d) {%d %d}",
3998 gameInfo.white, white_stren, gameInfo.black, black_stren,
3999 basetime, increment);
4001 sprintf(str, "%s(%d) %s(%d) {%d %d w%d}",
4002 gameInfo.white, white_stren, gameInfo.black, black_stren,
4003 basetime, increment, (int) gameInfo.variant);
4005 if(gameInfo.variant == VariantNormal)
4006 sprintf(str, "%s (%d) vs. %s (%d) {%d %d}",
4007 gameInfo.white, white_stren, gameInfo.black, black_stren,
4008 basetime, increment);
4010 sprintf(str, "%s (%d) vs. %s (%d) {%d %d %s}",
4011 gameInfo.white, white_stren, gameInfo.black, black_stren,
4012 basetime, increment, VariantName(gameInfo.variant));
4015 if (appData.debugMode) {
4016 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4021 /* Display the board */
4022 if (!pausing && !appData.noGUI) {
4024 if (appData.premove)
4026 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4027 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4028 ClearPremoveHighlights();
4030 DrawPosition(FALSE, boards[currentMove]);
4031 DisplayMove(moveNum - 1);
4032 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4033 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4034 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4035 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4039 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4041 if(bookHit) { // [HGM] book: simulate book reply
4042 static char bookMove[MSG_SIZ]; // a bit generous?
4044 programStats.nodes = programStats.depth = programStats.time =
4045 programStats.score = programStats.got_only_move = 0;
4046 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4048 strcpy(bookMove, "move ");
4049 strcat(bookMove, bookHit);
4050 HandleMachineMove(bookMove, &first);
4059 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4060 ics_getting_history = H_REQUESTED;
4061 sprintf(buf, "%smoves %d\n", ics_prefix, ics_gamenum);
4067 AnalysisPeriodicEvent(force)
4070 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4071 && !force) || !appData.periodicUpdates)
4074 /* Send . command to Crafty to collect stats */
4075 SendToProgram(".\n", &first);
4077 /* Don't send another until we get a response (this makes
4078 us stop sending to old Crafty's which don't understand
4079 the "." command (sending illegal cmds resets node count & time,
4080 which looks bad)) */
4081 programStats.ok_to_send = 0;
4084 void ics_update_width(new_width)
4087 ics_printf("set width %d\n", new_width);
4091 SendMoveToProgram(moveNum, cps)
4093 ChessProgramState *cps;
4097 if (cps->useUsermove) {
4098 SendToProgram("usermove ", cps);
4102 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4103 int len = space - parseList[moveNum];
4104 memcpy(buf, parseList[moveNum], len);
4106 buf[len] = NULLCHAR;
4108 sprintf(buf, "%s\n", parseList[moveNum]);
4110 SendToProgram(buf, cps);
4112 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4113 AlphaRank(moveList[moveNum], 4);
4114 SendToProgram(moveList[moveNum], cps);
4115 AlphaRank(moveList[moveNum], 4); // and back
4117 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4118 * the engine. It would be nice to have a better way to identify castle
4120 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4121 && cps->useOOCastle) {
4122 int fromX = moveList[moveNum][0] - AAA;
4123 int fromY = moveList[moveNum][1] - ONE;
4124 int toX = moveList[moveNum][2] - AAA;
4125 int toY = moveList[moveNum][3] - ONE;
4126 if((boards[moveNum][fromY][fromX] == WhiteKing
4127 && boards[moveNum][toY][toX] == WhiteRook)
4128 || (boards[moveNum][fromY][fromX] == BlackKing
4129 && boards[moveNum][toY][toX] == BlackRook)) {
4130 if(toX > fromX) SendToProgram("O-O\n", cps);
4131 else SendToProgram("O-O-O\n", cps);
4133 else SendToProgram(moveList[moveNum], cps);
4135 else SendToProgram(moveList[moveNum], cps);
4136 /* End of additions by Tord */
4139 /* [HGM] setting up the opening has brought engine in force mode! */
4140 /* Send 'go' if we are in a mode where machine should play. */
4141 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4142 (gameMode == TwoMachinesPlay ||
4144 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4146 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4147 SendToProgram("go\n", cps);
4148 if (appData.debugMode) {
4149 fprintf(debugFP, "(extra)\n");
4152 setboardSpoiledMachineBlack = 0;
4156 SendMoveToICS(moveType, fromX, fromY, toX, toY)
4158 int fromX, fromY, toX, toY;
4160 char user_move[MSG_SIZ];
4164 sprintf(user_move, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4165 (int)moveType, fromX, fromY, toX, toY);
4166 DisplayError(user_move + strlen("say "), 0);
4168 case WhiteKingSideCastle:
4169 case BlackKingSideCastle:
4170 case WhiteQueenSideCastleWild:
4171 case BlackQueenSideCastleWild:
4173 case WhiteHSideCastleFR:
4174 case BlackHSideCastleFR:
4176 sprintf(user_move, "o-o\n");
4178 case WhiteQueenSideCastle:
4179 case BlackQueenSideCastle:
4180 case WhiteKingSideCastleWild:
4181 case BlackKingSideCastleWild:
4183 case WhiteASideCastleFR:
4184 case BlackASideCastleFR:
4186 sprintf(user_move, "o-o-o\n");
4188 case WhitePromotionQueen:
4189 case BlackPromotionQueen:
4190 case WhitePromotionRook:
4191 case BlackPromotionRook:
4192 case WhitePromotionBishop:
4193 case BlackPromotionBishop:
4194 case WhitePromotionKnight:
4195 case BlackPromotionKnight:
4196 case WhitePromotionKing:
4197 case BlackPromotionKing:
4198 case WhitePromotionChancellor:
4199 case BlackPromotionChancellor:
4200 case WhitePromotionArchbishop:
4201 case BlackPromotionArchbishop:
4202 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier)
4203 sprintf(user_move, "%c%c%c%c=%c\n",
4204 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4205 PieceToChar(WhiteFerz));
4206 else if(gameInfo.variant == VariantGreat)
4207 sprintf(user_move, "%c%c%c%c=%c\n",
4208 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4209 PieceToChar(WhiteMan));
4211 sprintf(user_move, "%c%c%c%c=%c\n",
4212 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4213 PieceToChar(PromoPiece(moveType)));
4217 sprintf(user_move, "%c@%c%c\n",
4218 ToUpper(PieceToChar((ChessSquare) fromX)),
4219 AAA + toX, ONE + toY);
4222 case WhiteCapturesEnPassant:
4223 case BlackCapturesEnPassant:
4224 case IllegalMove: /* could be a variant we don't quite understand */
4225 sprintf(user_move, "%c%c%c%c\n",
4226 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4229 SendToICS(user_move);
4230 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
4231 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
4235 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
4240 if (rf == DROP_RANK) {
4241 sprintf(move, "%c@%c%c\n",
4242 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
4244 if (promoChar == 'x' || promoChar == NULLCHAR) {
4245 sprintf(move, "%c%c%c%c\n",
4246 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
4248 sprintf(move, "%c%c%c%c%c\n",
4249 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
4255 ProcessICSInitScript(f)
4260 while (fgets(buf, MSG_SIZ, f)) {
4261 SendToICSDelayed(buf,(long)appData.msLoginDelay);
4268 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
4270 AlphaRank(char *move, int n)
4272 // char *p = move, c; int x, y;
4274 if (appData.debugMode) {
4275 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
4279 move[2]>='0' && move[2]<='9' &&
4280 move[3]>='a' && move[3]<='x' ) {
4282 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4283 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4285 if(move[0]>='0' && move[0]<='9' &&
4286 move[1]>='a' && move[1]<='x' &&
4287 move[2]>='0' && move[2]<='9' &&
4288 move[3]>='a' && move[3]<='x' ) {
4289 /* input move, Shogi -> normal */
4290 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
4291 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
4292 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4293 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4296 move[3]>='0' && move[3]<='9' &&
4297 move[2]>='a' && move[2]<='x' ) {
4299 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4300 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4303 move[0]>='a' && move[0]<='x' &&
4304 move[3]>='0' && move[3]<='9' &&
4305 move[2]>='a' && move[2]<='x' ) {
4306 /* output move, normal -> Shogi */
4307 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
4308 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
4309 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4310 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4311 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
4313 if (appData.debugMode) {
4314 fprintf(debugFP, " out = '%s'\n", move);
4318 /* Parser for moves from gnuchess, ICS, or user typein box */
4320 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
4323 ChessMove *moveType;
4324 int *fromX, *fromY, *toX, *toY;
4327 if (appData.debugMode) {
4328 fprintf(debugFP, "move to parse: %s\n", move);
4330 *moveType = yylexstr(moveNum, move);
4332 switch (*moveType) {
4333 case WhitePromotionChancellor:
4334 case BlackPromotionChancellor:
4335 case WhitePromotionArchbishop:
4336 case BlackPromotionArchbishop:
4337 case WhitePromotionQueen:
4338 case BlackPromotionQueen:
4339 case WhitePromotionRook:
4340 case BlackPromotionRook:
4341 case WhitePromotionBishop:
4342 case BlackPromotionBishop:
4343 case WhitePromotionKnight:
4344 case BlackPromotionKnight:
4345 case WhitePromotionKing:
4346 case BlackPromotionKing:
4348 case WhiteCapturesEnPassant:
4349 case BlackCapturesEnPassant:
4350 case WhiteKingSideCastle:
4351 case WhiteQueenSideCastle:
4352 case BlackKingSideCastle:
4353 case BlackQueenSideCastle:
4354 case WhiteKingSideCastleWild:
4355 case WhiteQueenSideCastleWild:
4356 case BlackKingSideCastleWild:
4357 case BlackQueenSideCastleWild:
4358 /* Code added by Tord: */
4359 case WhiteHSideCastleFR:
4360 case WhiteASideCastleFR:
4361 case BlackHSideCastleFR:
4362 case BlackASideCastleFR:
4363 /* End of code added by Tord */
4364 case IllegalMove: /* bug or odd chess variant */
4365 *fromX = currentMoveString[0] - AAA;
4366 *fromY = currentMoveString[1] - ONE;
4367 *toX = currentMoveString[2] - AAA;
4368 *toY = currentMoveString[3] - ONE;
4369 *promoChar = currentMoveString[4];
4370 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
4371 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
4372 if (appData.debugMode) {
4373 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
4375 *fromX = *fromY = *toX = *toY = 0;
4378 if (appData.testLegality) {
4379 return (*moveType != IllegalMove);
4381 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
4382 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
4387 *fromX = *moveType == WhiteDrop ?
4388 (int) CharToPiece(ToUpper(currentMoveString[0])) :
4389 (int) CharToPiece(ToLower(currentMoveString[0]));
4391 *toX = currentMoveString[2] - AAA;
4392 *toY = currentMoveString[3] - ONE;
4393 *promoChar = NULLCHAR;
4397 case ImpossibleMove:
4398 case (ChessMove) 0: /* end of file */
4407 if (appData.debugMode) {
4408 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
4411 *fromX = *fromY = *toX = *toY = 0;
4412 *promoChar = NULLCHAR;
4420 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
4421 int fromX, fromY, toX, toY; char promoChar;
4426 endPV = forwardMostMove;
4428 while(*pv == ' ') pv++;
4429 if(*pv == '(') pv++; // first (ponder) move can be in parentheses
4430 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
4431 if(appData.debugMode){
4432 fprintf(debugFP,"parsePV: %d %c%c%c%c '%s'\n", valid, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, pv);
4434 if(!valid && nr == 0 &&
4435 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
4436 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
4438 while(*pv && *pv++ != ' '); // skip what we parsed; assume space separators
4439 if(moveType == Comment) { valid++; continue; } // allow comments in PV
4441 if(endPV+1 > framePtr) break; // no space, truncate
4444 CopyBoard(boards[endPV], boards[endPV-1]);
4445 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
4446 moveList[endPV-1][0] = fromX + AAA;
4447 moveList[endPV-1][1] = fromY + ONE;
4448 moveList[endPV-1][2] = toX + AAA;
4449 moveList[endPV-1][3] = toY + ONE;
4450 parseList[endPV-1][0] = NULLCHAR;
4452 currentMove = endPV;
4453 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
4454 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
4455 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
4456 DrawPosition(TRUE, boards[currentMove]);
4459 static int lastX, lastY;
4462 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
4466 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
4467 lastX = x; lastY = y;
4468 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
4470 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
4472 while(buf[index] && buf[index] != '\n') index++;
4474 ParsePV(buf+startPV);
4475 *start = startPV; *end = index-1;
4480 LoadPV(int x, int y)
4481 { // called on right mouse click to load PV
4482 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
4483 lastX = x; lastY = y;
4484 ParsePV(lastPV[which]); // load the PV of the thinking engine in the boards array.
4491 if(endPV < 0) return;
4493 currentMove = forwardMostMove;
4494 ClearPremoveHighlights();
4495 DrawPosition(TRUE, boards[currentMove]);
4499 MovePV(int x, int y, int h)
4500 { // step through PV based on mouse coordinates (called on mouse move)
4501 int margin = h>>3, step = 0;
4503 if(endPV < 0) return;
4504 // we must somehow check if right button is still down (might be released off board!)
4505 if(y < margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = 1; else
4506 if(y > h - margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = -1; else
4507 if( y > lastY + 6 ) step = -1; else if(y < lastY - 6) step = 1;
4509 lastX = x; lastY = y;
4510 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
4511 currentMove += step;
4512 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
4513 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
4514 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
4515 DrawPosition(FALSE, boards[currentMove]);
4519 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
4520 // All positions will have equal probability, but the current method will not provide a unique
4521 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
4527 int piecesLeft[(int)BlackPawn];
4528 int seed, nrOfShuffles;
4530 void GetPositionNumber()
4531 { // sets global variable seed
4534 seed = appData.defaultFrcPosition;
4535 if(seed < 0) { // randomize based on time for negative FRC position numbers
4536 for(i=0; i<50; i++) seed += random();
4537 seed = random() ^ random() >> 8 ^ random() << 8;
4538 if(seed<0) seed = -seed;
4542 int put(Board board, int pieceType, int rank, int n, int shade)
4543 // put the piece on the (n-1)-th empty squares of the given shade
4547 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
4548 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
4549 board[rank][i] = (ChessSquare) pieceType;
4550 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
4552 piecesLeft[pieceType]--;
4560 void AddOnePiece(Board board, int pieceType, int rank, int shade)
4561 // calculate where the next piece goes, (any empty square), and put it there
4565 i = seed % squaresLeft[shade];
4566 nrOfShuffles *= squaresLeft[shade];
4567 seed /= squaresLeft[shade];
4568 put(board, pieceType, rank, i, shade);
4571 void AddTwoPieces(Board board, int pieceType, int rank)
4572 // calculate where the next 2 identical pieces go, (any empty square), and put it there
4574 int i, n=squaresLeft[ANY], j=n-1, k;
4576 k = n*(n-1)/2; // nr of possibilities, not counting permutations
4577 i = seed % k; // pick one
4580 while(i >= j) i -= j--;
4581 j = n - 1 - j; i += j;
4582 put(board, pieceType, rank, j, ANY);
4583 put(board, pieceType, rank, i, ANY);
4586 void SetUpShuffle(Board board, int number)
4590 GetPositionNumber(); nrOfShuffles = 1;
4592 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
4593 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
4594 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
4596 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
4598 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
4599 p = (int) board[0][i];
4600 if(p < (int) BlackPawn) piecesLeft[p] ++;
4601 board[0][i] = EmptySquare;
4604 if(PosFlags(0) & F_ALL_CASTLE_OK) {
4605 // shuffles restricted to allow normal castling put KRR first
4606 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
4607 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
4608 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
4609 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
4610 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
4611 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
4612 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
4613 put(board, WhiteRook, 0, 0, ANY);
4614 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
4617 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
4618 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
4619 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
4620 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
4621 while(piecesLeft[p] >= 2) {
4622 AddOnePiece(board, p, 0, LITE);
4623 AddOnePiece(board, p, 0, DARK);
4625 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
4628 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
4629 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
4630 // but we leave King and Rooks for last, to possibly obey FRC restriction
4631 if(p == (int)WhiteRook) continue;
4632 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
4633 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
4636 // now everything is placed, except perhaps King (Unicorn) and Rooks
4638 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
4639 // Last King gets castling rights
4640 while(piecesLeft[(int)WhiteUnicorn]) {
4641 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
4642 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
4645 while(piecesLeft[(int)WhiteKing]) {
4646 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
4647 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
4652 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
4653 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
4656 // Only Rooks can be left; simply place them all
4657 while(piecesLeft[(int)WhiteRook]) {
4658 i = put(board, WhiteRook, 0, 0, ANY);
4659 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
4662 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
4664 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
4667 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
4668 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
4671 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
4674 int SetCharTable( char *table, const char * map )
4675 /* [HGM] moved here from winboard.c because of its general usefulness */
4676 /* Basically a safe strcpy that uses the last character as King */
4678 int result = FALSE; int NrPieces;
4680 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
4681 && NrPieces >= 12 && !(NrPieces&1)) {
4682 int i; /* [HGM] Accept even length from 12 to 34 */
4684 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
4685 for( i=0; i<NrPieces/2-1; i++ ) {
4687 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
4689 table[(int) WhiteKing] = map[NrPieces/2-1];
4690 table[(int) BlackKing] = map[NrPieces-1];
4698 void Prelude(Board board)
4699 { // [HGM] superchess: random selection of exo-pieces
4700 int i, j, k; ChessSquare p;
4701 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
4703 GetPositionNumber(); // use FRC position number
4705 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
4706 SetCharTable(pieceToChar, appData.pieceToCharTable);
4707 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
4708 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
4711 j = seed%4; seed /= 4;
4712 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
4713 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
4714 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
4715 j = seed%3 + (seed%3 >= j); seed /= 3;
4716 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
4717 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
4718 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
4719 j = seed%3; seed /= 3;
4720 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
4721 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
4722 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
4723 j = seed%2 + (seed%2 >= j); seed /= 2;
4724 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
4725 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
4726 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
4727 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
4728 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
4729 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
4730 put(board, exoPieces[0], 0, 0, ANY);
4731 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
4735 InitPosition(redraw)
4738 ChessSquare (* pieces)[BOARD_FILES];
4739 int i, j, pawnRow, overrule,
4740 oldx = gameInfo.boardWidth,
4741 oldy = gameInfo.boardHeight,
4742 oldh = gameInfo.holdingsWidth,
4743 oldv = gameInfo.variant;
4745 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
4747 /* [AS] Initialize pv info list [HGM] and game status */
4749 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
4750 pvInfoList[i].depth = 0;
4751 boards[i][EP_STATUS] = EP_NONE;
4752 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
4755 initialRulePlies = 0; /* 50-move counter start */
4757 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
4758 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
4762 /* [HGM] logic here is completely changed. In stead of full positions */
4763 /* the initialized data only consist of the two backranks. The switch */
4764 /* selects which one we will use, which is than copied to the Board */
4765 /* initialPosition, which for the rest is initialized by Pawns and */
4766 /* empty squares. This initial position is then copied to boards[0], */
4767 /* possibly after shuffling, so that it remains available. */
4769 gameInfo.holdingsWidth = 0; /* default board sizes */
4770 gameInfo.boardWidth = 8;
4771 gameInfo.boardHeight = 8;
4772 gameInfo.holdingsSize = 0;
4773 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
4774 for(i=0; i<BOARD_FILES-2; i++)
4775 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
4776 initialPosition[EP_STATUS] = EP_NONE;
4777 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
4779 switch (gameInfo.variant) {
4780 case VariantFischeRandom:
4781 shuffleOpenings = TRUE;
4785 case VariantShatranj:
4786 pieces = ShatranjArray;
4787 nrCastlingRights = 0;
4788 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
4790 case VariantTwoKings:
4791 pieces = twoKingsArray;
4793 case VariantCapaRandom:
4794 shuffleOpenings = TRUE;
4795 case VariantCapablanca:
4796 pieces = CapablancaArray;
4797 gameInfo.boardWidth = 10;
4798 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
4801 pieces = GothicArray;
4802 gameInfo.boardWidth = 10;
4803 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
4806 pieces = JanusArray;
4807 gameInfo.boardWidth = 10;
4808 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
4809 nrCastlingRights = 6;
4810 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
4811 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
4812 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
4813 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
4814 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
4815 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
4818 pieces = FalconArray;
4819 gameInfo.boardWidth = 10;
4820 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
4822 case VariantXiangqi:
4823 pieces = XiangqiArray;
4824 gameInfo.boardWidth = 9;
4825 gameInfo.boardHeight = 10;
4826 nrCastlingRights = 0;
4827 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
4830 pieces = ShogiArray;
4831 gameInfo.boardWidth = 9;
4832 gameInfo.boardHeight = 9;
4833 gameInfo.holdingsSize = 7;
4834 nrCastlingRights = 0;
4835 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
4837 case VariantCourier:
4838 pieces = CourierArray;
4839 gameInfo.boardWidth = 12;
4840 nrCastlingRights = 0;
4841 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
4843 case VariantKnightmate:
4844 pieces = KnightmateArray;
4845 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
4848 pieces = fairyArray;
4849 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
4852 pieces = GreatArray;
4853 gameInfo.boardWidth = 10;
4854 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
4855 gameInfo.holdingsSize = 8;
4859 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
4860 gameInfo.holdingsSize = 8;
4861 startedFromSetupPosition = TRUE;
4863 case VariantCrazyhouse:
4864 case VariantBughouse:
4866 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
4867 gameInfo.holdingsSize = 5;
4869 case VariantWildCastle:
4871 /* !!?shuffle with kings guaranteed to be on d or e file */
4872 shuffleOpenings = 1;
4874 case VariantNoCastle:
4876 nrCastlingRights = 0;
4877 /* !!?unconstrained back-rank shuffle */
4878 shuffleOpenings = 1;
4883 if(appData.NrFiles >= 0) {
4884 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
4885 gameInfo.boardWidth = appData.NrFiles;
4887 if(appData.NrRanks >= 0) {
4888 gameInfo.boardHeight = appData.NrRanks;
4890 if(appData.holdingsSize >= 0) {
4891 i = appData.holdingsSize;
4892 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
4893 gameInfo.holdingsSize = i;
4895 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
4896 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
4897 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
4899 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
4900 if(pawnRow < 1) pawnRow = 1;
4902 /* User pieceToChar list overrules defaults */
4903 if(appData.pieceToCharTable != NULL)
4904 SetCharTable(pieceToChar, appData.pieceToCharTable);
4906 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
4908 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
4909 s = (ChessSquare) 0; /* account holding counts in guard band */
4910 for( i=0; i<BOARD_HEIGHT; i++ )
4911 initialPosition[i][j] = s;
4913 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
4914 initialPosition[0][j] = pieces[0][j-gameInfo.holdingsWidth];
4915 initialPosition[pawnRow][j] = WhitePawn;
4916 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = BlackPawn;
4917 if(gameInfo.variant == VariantXiangqi) {
4919 initialPosition[pawnRow][j] =
4920 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
4921 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
4922 initialPosition[2][j] = WhiteCannon;
4923 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
4927 initialPosition[BOARD_HEIGHT-1][j] = pieces[1][j-gameInfo.holdingsWidth];
4929 if( (gameInfo.variant == VariantShogi) && !overrule ) {
4932 initialPosition[1][j] = WhiteBishop;
4933 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
4935 initialPosition[1][j] = WhiteRook;
4936 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
4939 if( nrCastlingRights == -1) {
4940 /* [HGM] Build normal castling rights (must be done after board sizing!) */
4941 /* This sets default castling rights from none to normal corners */
4942 /* Variants with other castling rights must set them themselves above */
4943 nrCastlingRights = 6;
4945 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
4946 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
4947 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
4948 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
4949 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
4950 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
4953 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
4954 if(gameInfo.variant == VariantGreat) { // promotion commoners
4955 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
4956 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
4957 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
4958 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
4960 if (appData.debugMode) {
4961 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
4963 if(shuffleOpenings) {
4964 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
4965 startedFromSetupPosition = TRUE;
4967 if(startedFromPositionFile) {
4968 /* [HGM] loadPos: use PositionFile for every new game */
4969 CopyBoard(initialPosition, filePosition);
4970 for(i=0; i<nrCastlingRights; i++)
4971 initialRights[i] = filePosition[CASTLING][i];
4972 startedFromSetupPosition = TRUE;
4975 CopyBoard(boards[0], initialPosition);
4977 if(oldx != gameInfo.boardWidth ||
4978 oldy != gameInfo.boardHeight ||
4979 oldh != gameInfo.holdingsWidth
4981 || oldv == VariantGothic || // For licensing popups
4982 gameInfo.variant == VariantGothic
4985 || oldv == VariantFalcon ||
4986 gameInfo.variant == VariantFalcon
4989 InitDrawingSizes(-2 ,0);
4992 DrawPosition(TRUE, boards[currentMove]);
4996 SendBoard(cps, moveNum)
4997 ChessProgramState *cps;
5000 char message[MSG_SIZ];
5002 if (cps->useSetboard) {
5003 char* fen = PositionToFEN(moveNum, cps->fenOverride);
5004 sprintf(message, "setboard %s\n", fen);
5005 SendToProgram(message, cps);
5011 /* Kludge to set black to move, avoiding the troublesome and now
5012 * deprecated "black" command.
5014 if (!WhiteOnMove(moveNum)) SendToProgram("a2a3\n", cps);
5016 SendToProgram("edit\n", cps);
5017 SendToProgram("#\n", cps);
5018 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5019 bp = &boards[moveNum][i][BOARD_LEFT];
5020 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5021 if ((int) *bp < (int) BlackPawn) {
5022 sprintf(message, "%c%c%c\n", PieceToChar(*bp),
5024 if(message[0] == '+' || message[0] == '~') {
5025 sprintf(message, "%c%c%c+\n",
5026 PieceToChar((ChessSquare)(DEMOTED *bp)),
5029 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5030 message[1] = BOARD_RGHT - 1 - j + '1';
5031 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5033 SendToProgram(message, cps);
5038 SendToProgram("c\n", cps);
5039 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5040 bp = &boards[moveNum][i][BOARD_LEFT];
5041 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5042 if (((int) *bp != (int) EmptySquare)
5043 && ((int) *bp >= (int) BlackPawn)) {
5044 sprintf(message, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
5046 if(message[0] == '+' || message[0] == '~') {
5047 sprintf(message, "%c%c%c+\n",
5048 PieceToChar((ChessSquare)(DEMOTED *bp)),
5051 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5052 message[1] = BOARD_RGHT - 1 - j + '1';
5053 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5055 SendToProgram(message, cps);
5060 SendToProgram(".\n", cps);
5062 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
5066 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice)
5068 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
5069 /* [HGM] add Shogi promotions */
5070 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
5075 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
5076 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
5078 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
5079 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
5082 piece = boards[currentMove][fromY][fromX];
5083 if(gameInfo.variant == VariantShogi) {
5084 promotionZoneSize = 3;
5085 highestPromotingPiece = (int)WhiteFerz;
5088 // next weed out all moves that do not touch the promotion zone at all
5089 if((int)piece >= BlackPawn) {
5090 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
5092 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
5094 if( toY < BOARD_HEIGHT - promotionZoneSize &&
5095 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
5098 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
5100 // weed out mandatory Shogi promotions
5101 if(gameInfo.variant == VariantShogi) {
5102 if(piece >= BlackPawn) {
5103 if(toY == 0 && piece == BlackPawn ||
5104 toY == 0 && piece == BlackQueen ||
5105 toY <= 1 && piece == BlackKnight) {
5110 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
5111 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
5112 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
5119 // weed out obviously illegal Pawn moves
5120 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
5121 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
5122 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
5123 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
5124 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
5125 // note we are not allowed to test for valid (non-)capture, due to premove
5128 // we either have a choice what to promote to, or (in Shogi) whether to promote
5129 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier) {
5130 *promoChoice = PieceToChar(BlackFerz); // no choice
5133 if(appData.alwaysPromoteToQueen) { // predetermined
5134 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantLosers)
5135 *promoChoice = PieceToChar(BlackKing); // in Suicide Q is the last thing we want
5136 else *promoChoice = PieceToChar(BlackQueen);
5140 // suppress promotion popup on illegal moves that are not premoves
5141 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
5142 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
5143 if(appData.testLegality && !premove) {
5144 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5145 fromY, fromX, toY, toX, NULLCHAR);
5146 if(moveType != WhitePromotionQueen && moveType != BlackPromotionQueen &&
5147 moveType != WhitePromotionKnight && moveType != BlackPromotionKnight)
5155 InPalace(row, column)
5157 { /* [HGM] for Xiangqi */
5158 if( (row < 3 || row > BOARD_HEIGHT-4) &&
5159 column < (BOARD_WIDTH + 4)/2 &&
5160 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
5165 PieceForSquare (x, y)
5169 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
5172 return boards[currentMove][y][x];
5176 OKToStartUserMove(x, y)
5179 ChessSquare from_piece;
5182 if (matchMode) return FALSE;
5183 if (gameMode == EditPosition) return TRUE;
5185 if (x >= 0 && y >= 0)
5186 from_piece = boards[currentMove][y][x];
5188 from_piece = EmptySquare;
5190 if (from_piece == EmptySquare) return FALSE;
5192 white_piece = (int)from_piece >= (int)WhitePawn &&
5193 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
5196 case PlayFromGameFile:
5198 case TwoMachinesPlay:
5206 case MachinePlaysWhite:
5207 case IcsPlayingBlack:
5208 if (appData.zippyPlay) return FALSE;
5210 DisplayMoveError(_("You are playing Black"));
5215 case MachinePlaysBlack:
5216 case IcsPlayingWhite:
5217 if (appData.zippyPlay) return FALSE;
5219 DisplayMoveError(_("You are playing White"));
5225 if (!white_piece && WhiteOnMove(currentMove)) {
5226 DisplayMoveError(_("It is White's turn"));
5229 if (white_piece && !WhiteOnMove(currentMove)) {
5230 DisplayMoveError(_("It is Black's turn"));
5233 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
5234 /* Editing correspondence game history */
5235 /* Could disallow this or prompt for confirmation */
5240 case BeginningOfGame:
5241 if (appData.icsActive) return FALSE;
5242 if (!appData.noChessProgram) {
5244 DisplayMoveError(_("You are playing White"));
5251 if (!white_piece && WhiteOnMove(currentMove)) {
5252 DisplayMoveError(_("It is White's turn"));
5255 if (white_piece && !WhiteOnMove(currentMove)) {
5256 DisplayMoveError(_("It is Black's turn"));
5265 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
5266 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
5267 && gameMode != AnalyzeFile && gameMode != Training) {
5268 DisplayMoveError(_("Displayed position is not current"));
5274 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
5275 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
5276 int lastLoadGameUseList = FALSE;
5277 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
5278 ChessMove lastLoadGameStart = (ChessMove) 0;
5281 UserMoveTest(fromX, fromY, toX, toY, promoChar, captureOwn)
5282 int fromX, fromY, toX, toY;
5287 ChessSquare pdown, pup;
5289 /* Check if the user is playing in turn. This is complicated because we
5290 let the user "pick up" a piece before it is his turn. So the piece he
5291 tried to pick up may have been captured by the time he puts it down!
5292 Therefore we use the color the user is supposed to be playing in this
5293 test, not the color of the piece that is currently on the starting
5294 square---except in EditGame mode, where the user is playing both
5295 sides; fortunately there the capture race can't happen. (It can
5296 now happen in IcsExamining mode, but that's just too bad. The user
5297 will get a somewhat confusing message in that case.)
5301 case PlayFromGameFile:
5303 case TwoMachinesPlay:
5307 /* We switched into a game mode where moves are not accepted,
5308 perhaps while the mouse button was down. */
5309 return ImpossibleMove;
5311 case MachinePlaysWhite:
5312 /* User is moving for Black */
5313 if (WhiteOnMove(currentMove)) {
5314 DisplayMoveError(_("It is White's turn"));
5315 return ImpossibleMove;
5319 case MachinePlaysBlack:
5320 /* User is moving for White */
5321 if (!WhiteOnMove(currentMove)) {
5322 DisplayMoveError(_("It is Black's turn"));
5323 return ImpossibleMove;
5329 case BeginningOfGame:
5332 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
5333 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
5334 /* User is moving for Black */
5335 if (WhiteOnMove(currentMove)) {
5336 DisplayMoveError(_("It is White's turn"));
5337 return ImpossibleMove;
5340 /* User is moving for White */
5341 if (!WhiteOnMove(currentMove)) {
5342 DisplayMoveError(_("It is Black's turn"));
5343 return ImpossibleMove;
5348 case IcsPlayingBlack:
5349 /* User is moving for Black */
5350 if (WhiteOnMove(currentMove)) {
5351 if (!appData.premove) {
5352 DisplayMoveError(_("It is White's turn"));
5353 } else if (toX >= 0 && toY >= 0) {
5356 premoveFromX = fromX;
5357 premoveFromY = fromY;
5358 premovePromoChar = promoChar;
5360 if (appData.debugMode)
5361 fprintf(debugFP, "Got premove: fromX %d,"
5362 "fromY %d, toX %d, toY %d\n",
5363 fromX, fromY, toX, toY);
5365 return ImpossibleMove;
5369 case IcsPlayingWhite:
5370 /* User is moving for White */
5371 if (!WhiteOnMove(currentMove)) {
5372 if (!appData.premove) {
5373 DisplayMoveError(_("It is Black's turn"));
5374 } else if (toX >= 0 && toY >= 0) {
5377 premoveFromX = fromX;
5378 premoveFromY = fromY;
5379 premovePromoChar = promoChar;
5381 if (appData.debugMode)
5382 fprintf(debugFP, "Got premove: fromX %d,"
5383 "fromY %d, toX %d, toY %d\n",
5384 fromX, fromY, toX, toY);
5386 return ImpossibleMove;
5394 /* EditPosition, empty square, or different color piece;
5395 click-click move is possible */
5396 if (toX == -2 || toY == -2) {
5397 boards[0][fromY][fromX] = EmptySquare;
5398 return AmbiguousMove;
5399 } else if (toX >= 0 && toY >= 0) {
5400 boards[0][toY][toX] = boards[0][fromY][fromX];
5401 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
5402 if(boards[0][fromY][0] != EmptySquare) {
5403 if(boards[0][fromY][1]) boards[0][fromY][1]--;
5404 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
5407 if(fromX == BOARD_RGHT+1) {
5408 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
5409 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
5410 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
5413 boards[0][fromY][fromX] = EmptySquare;
5414 return AmbiguousMove;
5416 return ImpossibleMove;
5419 if(toX < 0 || toY < 0) return ImpossibleMove;
5420 pdown = boards[currentMove][fromY][fromX];
5421 pup = boards[currentMove][toY][toX];
5423 /* [HGM] If move started in holdings, it means a drop */
5424 if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) {
5425 if( pup != EmptySquare ) return ImpossibleMove;
5426 if(appData.testLegality) {
5427 /* it would be more logical if LegalityTest() also figured out
5428 * which drops are legal. For now we forbid pawns on back rank.
5429 * Shogi is on its own here...
5431 if( (pdown == WhitePawn || pdown == BlackPawn) &&
5432 (toY == 0 || toY == BOARD_HEIGHT -1 ) )
5433 return(ImpossibleMove); /* no pawn drops on 1st/8th */
5435 return WhiteDrop; /* Not needed to specify white or black yet */
5438 userOfferedDraw = FALSE;
5440 /* [HGM] always test for legality, to get promotion info */
5441 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5442 fromY, fromX, toY, toX, promoChar);
5443 /* [HGM] but possibly ignore an IllegalMove result */
5444 if (appData.testLegality) {
5445 if (moveType == IllegalMove || moveType == ImpossibleMove) {
5446 DisplayMoveError(_("Illegal move"));
5447 return ImpossibleMove;
5452 /* [HGM] <popupFix> in stead of calling FinishMove directly, this
5453 function is made into one that returns an OK move type if FinishMove
5454 should be called. This to give the calling driver routine the
5455 opportunity to finish the userMove input with a promotion popup,
5456 without bothering the user with this for invalid or illegal moves */
5458 /* FinishMove(moveType, fromX, fromY, toX, toY, promoChar); */
5461 /* Common tail of UserMoveEvent and DropMenuEvent */
5463 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
5465 int fromX, fromY, toX, toY;
5466 /*char*/int promoChar;
5470 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR) {
5471 // [HGM] superchess: suppress promotions to non-available piece
5472 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
5473 if(WhiteOnMove(currentMove)) {
5474 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
5476 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
5480 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
5481 move type in caller when we know the move is a legal promotion */
5482 if(moveType == NormalMove && promoChar)
5483 moveType = PromoCharToMoveType(WhiteOnMove(currentMove), promoChar);
5485 /* [HGM] convert drag-and-drop piece drops to standard form */
5486 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ){
5487 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
5488 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
5489 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
5490 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
5491 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
5492 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
5493 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
5497 /* [HGM] <popupFix> The following if has been moved here from
5498 UserMoveEvent(). Because it seemed to belong here (why not allow
5499 piece drops in training games?), and because it can only be
5500 performed after it is known to what we promote. */
5501 if (gameMode == Training) {
5502 /* compare the move played on the board to the next move in the
5503 * game. If they match, display the move and the opponent's response.
5504 * If they don't match, display an error message.
5508 CopyBoard(testBoard, boards[currentMove]);
5509 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
5511 if (CompareBoards(testBoard, boards[currentMove+1])) {
5512 ForwardInner(currentMove+1);
5514 /* Autoplay the opponent's response.
5515 * if appData.animate was TRUE when Training mode was entered,
5516 * the response will be animated.
5518 saveAnimate = appData.animate;
5519 appData.animate = animateTraining;
5520 ForwardInner(currentMove+1);
5521 appData.animate = saveAnimate;
5523 /* check for the end of the game */
5524 if (currentMove >= forwardMostMove) {
5525 gameMode = PlayFromGameFile;
5527 SetTrainingModeOff();
5528 DisplayInformation(_("End of game"));
5531 DisplayError(_("Incorrect move"), 0);
5536 /* Ok, now we know that the move is good, so we can kill
5537 the previous line in Analysis Mode */
5538 if ((gameMode == AnalyzeMode || gameMode == EditGame)
5539 && currentMove < forwardMostMove) {
5540 PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
5543 /* If we need the chess program but it's dead, restart it */
5544 ResurrectChessProgram();
5546 /* A user move restarts a paused game*/
5550 thinkOutput[0] = NULLCHAR;
5552 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
5554 if (gameMode == BeginningOfGame) {
5555 if (appData.noChessProgram) {
5556 gameMode = EditGame;
5560 gameMode = MachinePlaysBlack;
5563 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
5565 if (first.sendName) {
5566 sprintf(buf, "name %s\n", gameInfo.white);
5567 SendToProgram(buf, &first);
5574 /* Relay move to ICS or chess engine */
5575 if (appData.icsActive) {
5576 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
5577 gameMode == IcsExamining) {
5578 SendMoveToICS(moveType, fromX, fromY, toX, toY);
5582 if (first.sendTime && (gameMode == BeginningOfGame ||
5583 gameMode == MachinePlaysWhite ||
5584 gameMode == MachinePlaysBlack)) {
5585 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
5587 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
5588 // [HGM] book: if program might be playing, let it use book
5589 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
5590 first.maybeThinking = TRUE;
5591 } else SendMoveToProgram(forwardMostMove-1, &first);
5592 if (currentMove == cmailOldMove + 1) {
5593 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
5597 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
5601 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
5607 if (WhiteOnMove(currentMove)) {
5608 GameEnds(BlackWins, "Black mates", GE_PLAYER);
5610 GameEnds(WhiteWins, "White mates", GE_PLAYER);
5614 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
5619 case MachinePlaysBlack:
5620 case MachinePlaysWhite:
5621 /* disable certain menu options while machine is thinking */
5622 SetMachineThinkingEnables();
5629 if(bookHit) { // [HGM] book: simulate book reply
5630 static char bookMove[MSG_SIZ]; // a bit generous?
5632 programStats.nodes = programStats.depth = programStats.time =
5633 programStats.score = programStats.got_only_move = 0;
5634 sprintf(programStats.movelist, "%s (xbook)", bookHit);
5636 strcpy(bookMove, "move ");
5637 strcat(bookMove, bookHit);
5638 HandleMachineMove(bookMove, &first);
5644 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
5645 int fromX, fromY, toX, toY;
5648 /* [HGM] This routine was added to allow calling of its two logical
5649 parts from other modules in the old way. Before, UserMoveEvent()
5650 automatically called FinishMove() if the move was OK, and returned
5651 otherwise. I separated the two, in order to make it possible to
5652 slip a promotion popup in between. But that it always needs two
5653 calls, to the first part, (now called UserMoveTest() ), and to
5654 FinishMove if the first part succeeded. Calls that do not need
5655 to do anything in between, can call this routine the old way.
5657 ChessMove moveType = UserMoveTest(fromX, fromY, toX, toY, promoChar, FALSE);
5658 if(appData.debugMode) fprintf(debugFP, "moveType 4 = %d, promochar = %x\n", moveType, promoChar);
5659 if(moveType == AmbiguousMove)
5660 DrawPosition(FALSE, boards[currentMove]);
5661 else if(moveType != ImpossibleMove && moveType != Comment)
5662 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
5666 Mark(board, flags, kind, rf, ff, rt, ft, closure)
5673 typedef char Markers[BOARD_RANKS][BOARD_FILES];
5674 Markers *m = (Markers *) closure;
5675 if(rf == fromY && ff == fromX)
5676 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
5677 || kind == WhiteCapturesEnPassant
5678 || kind == BlackCapturesEnPassant);
5679 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
5683 MarkTargetSquares(int clear)
5686 if(!appData.markers || !appData.highlightDragging ||
5687 !appData.testLegality || gameMode == EditPosition) return;
5689 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
5692 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker);
5693 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
5694 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
5696 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
5699 DrawPosition(TRUE, NULL);
5702 void LeftClick(ClickType clickType, int xPix, int yPix)
5705 Boolean saveAnimate;
5706 static int second = 0, promotionChoice = 0;
5707 char promoChoice = NULLCHAR;
5709 if (clickType == Press) ErrorPopDown();
5710 MarkTargetSquares(1);
5712 x = EventToSquare(xPix, BOARD_WIDTH);
5713 y = EventToSquare(yPix, BOARD_HEIGHT);
5714 if (!flipView && y >= 0) {
5715 y = BOARD_HEIGHT - 1 - y;
5717 if (flipView && x >= 0) {
5718 x = BOARD_WIDTH - 1 - x;
5721 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
5722 if(clickType == Release) return; // ignore upclick of click-click destination
5723 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
5724 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
5725 if(gameInfo.holdingsWidth &&
5726 (WhiteOnMove(currentMove)
5727 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y > 0
5728 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT-1) ) {
5729 // click in right holdings, for determining promotion piece
5730 ChessSquare p = boards[currentMove][y][x];
5731 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
5732 if(p != EmptySquare) {
5733 FinishMove(NormalMove, fromX, fromY, toX, toY, ToLower(PieceToChar(p)));
5738 DrawPosition(FALSE, boards[currentMove]);
5742 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
5743 if(clickType == Press
5744 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
5745 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
5746 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
5750 if (clickType == Press) {
5752 if (OKToStartUserMove(x, y)) {
5756 MarkTargetSquares(0);
5757 DragPieceBegin(xPix, yPix);
5758 if (appData.highlightDragging) {
5759 SetHighlights(x, y, -1, -1);
5767 if (clickType == Press && gameMode != EditPosition) {
5772 // ignore off-board to clicks
5773 if(y < 0 || x < 0) return;
5775 /* Check if clicking again on the same color piece */
5776 fromP = boards[currentMove][fromY][fromX];
5777 toP = boards[currentMove][y][x];
5778 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom;
5779 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
5780 WhitePawn <= toP && toP <= WhiteKing &&
5781 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
5782 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
5783 (BlackPawn <= fromP && fromP <= BlackKing &&
5784 BlackPawn <= toP && toP <= BlackKing &&
5785 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
5786 !(fromP == BlackKing && toP == BlackRook && frc))) {
5787 /* Clicked again on same color piece -- changed his mind */
5788 second = (x == fromX && y == fromY);
5789 if (appData.highlightDragging) {
5790 SetHighlights(x, y, -1, -1);
5794 if (OKToStartUserMove(x, y)) {
5797 MarkTargetSquares(0);
5798 DragPieceBegin(xPix, yPix);
5802 // ignore clicks on holdings
5803 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
5806 if (clickType == Release && x == fromX && y == fromY) {
5807 DragPieceEnd(xPix, yPix);
5808 if (appData.animateDragging) {
5809 /* Undo animation damage if any */
5810 DrawPosition(FALSE, NULL);
5813 /* Second up/down in same square; just abort move */
5818 ClearPremoveHighlights();
5820 /* First upclick in same square; start click-click mode */
5821 SetHighlights(x, y, -1, -1);
5826 /* we now have a different from- and (possibly off-board) to-square */
5827 /* Completed move */
5830 saveAnimate = appData.animate;
5831 if (clickType == Press) {
5832 /* Finish clickclick move */
5833 if (appData.animate || appData.highlightLastMove) {
5834 SetHighlights(fromX, fromY, toX, toY);
5839 /* Finish drag move */
5840 if (appData.highlightLastMove) {
5841 SetHighlights(fromX, fromY, toX, toY);
5845 DragPieceEnd(xPix, yPix);
5846 /* Don't animate move and drag both */
5847 appData.animate = FALSE;
5850 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
5851 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
5852 ChessSquare piece = boards[currentMove][fromY][fromX];
5853 if(gameMode == EditPosition && piece != EmptySquare &&
5854 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
5857 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
5858 n = PieceToNumber(piece - (int)BlackPawn);
5859 if(n > gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
5860 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
5861 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
5863 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
5864 n = PieceToNumber(piece);
5865 if(n > gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
5866 boards[currentMove][n][BOARD_WIDTH-1] = piece;
5867 boards[currentMove][n][BOARD_WIDTH-2]++;
5869 boards[currentMove][fromY][fromX] = EmptySquare;
5873 DrawPosition(TRUE, boards[currentMove]);
5877 // off-board moves should not be highlighted
5878 if(x < 0 || x < 0) ClearHighlights();
5880 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
5881 SetHighlights(fromX, fromY, toX, toY);
5882 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
5883 // [HGM] super: promotion to captured piece selected from holdings
5884 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
5885 promotionChoice = TRUE;
5886 // kludge follows to temporarily execute move on display, without promoting yet
5887 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
5888 boards[currentMove][toY][toX] = p;
5889 DrawPosition(FALSE, boards[currentMove]);
5890 boards[currentMove][fromY][fromX] = p; // take back, but display stays
5891 boards[currentMove][toY][toX] = q;
5892 DisplayMessage("Click in holdings to choose piece", "");
5897 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
5898 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
5899 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
5902 appData.animate = saveAnimate;
5903 if (appData.animate || appData.animateDragging) {
5904 /* Undo animation damage if needed */
5905 DrawPosition(FALSE, NULL);
5909 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
5911 // char * hint = lastHint;
5912 FrontEndProgramStats stats;
5914 stats.which = cps == &first ? 0 : 1;
5915 stats.depth = cpstats->depth;
5916 stats.nodes = cpstats->nodes;
5917 stats.score = cpstats->score;
5918 stats.time = cpstats->time;
5919 stats.pv = cpstats->movelist;
5920 stats.hint = lastHint;
5921 stats.an_move_index = 0;
5922 stats.an_move_count = 0;
5924 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
5925 stats.hint = cpstats->move_name;
5926 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
5927 stats.an_move_count = cpstats->nr_moves;
5930 if(stats.pv && stats.pv[0]) strcpy(lastPV[stats.which], stats.pv); // [HGM] pv: remember last PV of each
5932 SetProgramStats( &stats );
5935 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
5936 { // [HGM] book: this routine intercepts moves to simulate book replies
5937 char *bookHit = NULL;
5939 //first determine if the incoming move brings opponent into his book
5940 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
5941 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
5942 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
5943 if(bookHit != NULL && !cps->bookSuspend) {
5944 // make sure opponent is not going to reply after receiving move to book position
5945 SendToProgram("force\n", cps);
5946 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
5948 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
5949 // now arrange restart after book miss
5951 // after a book hit we never send 'go', and the code after the call to this routine
5952 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
5954 if (cps->useUsermove) sprintf(buf, "usermove "); // sorry, no SAN yet :(
5955 sprintf(buf, "%s\n", bookHit); // force book move into program supposed to play it
5956 SendToProgram(buf, cps);
5957 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
5958 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
5959 SendToProgram("go\n", cps);
5960 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
5961 } else { // 'go' might be sent based on 'firstMove' after this routine returns
5962 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
5963 SendToProgram("go\n", cps);
5964 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
5966 return bookHit; // notify caller of hit, so it can take action to send move to opponent
5970 ChessProgramState *savedState;
5971 void DeferredBookMove(void)
5973 if(savedState->lastPing != savedState->lastPong)
5974 ScheduleDelayedEvent(DeferredBookMove, 10);
5976 HandleMachineMove(savedMessage, savedState);
5980 HandleMachineMove(message, cps)
5982 ChessProgramState *cps;
5984 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
5985 char realname[MSG_SIZ];
5986 int fromX, fromY, toX, toY;
5995 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
5997 * Kludge to ignore BEL characters
5999 while (*message == '\007') message++;
6002 * [HGM] engine debug message: ignore lines starting with '#' character
6004 if(cps->debug && *message == '#') return;
6007 * Look for book output
6009 if (cps == &first && bookRequested) {
6010 if (message[0] == '\t' || message[0] == ' ') {
6011 /* Part of the book output is here; append it */
6012 strcat(bookOutput, message);
6013 strcat(bookOutput, " \n");
6015 } else if (bookOutput[0] != NULLCHAR) {
6016 /* All of book output has arrived; display it */
6017 char *p = bookOutput;
6018 while (*p != NULLCHAR) {
6019 if (*p == '\t') *p = ' ';
6022 DisplayInformation(bookOutput);
6023 bookRequested = FALSE;
6024 /* Fall through to parse the current output */
6029 * Look for machine move.
6031 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
6032 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
6034 /* This method is only useful on engines that support ping */
6035 if (cps->lastPing != cps->lastPong) {
6036 if (gameMode == BeginningOfGame) {
6037 /* Extra move from before last new; ignore */
6038 if (appData.debugMode) {
6039 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
6042 if (appData.debugMode) {
6043 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
6044 cps->which, gameMode);
6047 SendToProgram("undo\n", cps);
6053 case BeginningOfGame:
6054 /* Extra move from before last reset; ignore */
6055 if (appData.debugMode) {
6056 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
6063 /* Extra move after we tried to stop. The mode test is
6064 not a reliable way of detecting this problem, but it's
6065 the best we can do on engines that don't support ping.
6067 if (appData.debugMode) {
6068 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
6069 cps->which, gameMode);
6071 SendToProgram("undo\n", cps);
6074 case MachinePlaysWhite:
6075 case IcsPlayingWhite:
6076 machineWhite = TRUE;
6079 case MachinePlaysBlack:
6080 case IcsPlayingBlack:
6081 machineWhite = FALSE;
6084 case TwoMachinesPlay:
6085 machineWhite = (cps->twoMachinesColor[0] == 'w');
6088 if (WhiteOnMove(forwardMostMove) != machineWhite) {
6089 if (appData.debugMode) {
6091 "Ignoring move out of turn by %s, gameMode %d"
6092 ", forwardMost %d\n",
6093 cps->which, gameMode, forwardMostMove);
6098 if (appData.debugMode) { int f = forwardMostMove;
6099 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
6100 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
6101 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
6103 if(cps->alphaRank) AlphaRank(machineMove, 4);
6104 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
6105 &fromX, &fromY, &toX, &toY, &promoChar)) {
6106 /* Machine move could not be parsed; ignore it. */
6107 sprintf(buf1, _("Illegal move \"%s\" from %s machine"),
6108 machineMove, cps->which);
6109 DisplayError(buf1, 0);
6110 sprintf(buf1, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
6111 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
6112 if (gameMode == TwoMachinesPlay) {
6113 GameEnds(machineWhite ? BlackWins : WhiteWins,
6119 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
6120 /* So we have to redo legality test with true e.p. status here, */
6121 /* to make sure an illegal e.p. capture does not slip through, */
6122 /* to cause a forfeit on a justified illegal-move complaint */
6123 /* of the opponent. */
6124 if( gameMode==TwoMachinesPlay && appData.testLegality
6125 && fromY != DROP_RANK /* [HGM] temporary; should still add legality test for drops */
6128 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
6129 fromY, fromX, toY, toX, promoChar);
6130 if (appData.debugMode) {
6132 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
6133 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
6134 fprintf(debugFP, "castling rights\n");
6136 if(moveType == IllegalMove) {
6137 sprintf(buf1, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
6138 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
6139 GameEnds(machineWhite ? BlackWins : WhiteWins,
6142 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
6143 /* [HGM] Kludge to handle engines that send FRC-style castling
6144 when they shouldn't (like TSCP-Gothic) */
6146 case WhiteASideCastleFR:
6147 case BlackASideCastleFR:
6149 currentMoveString[2]++;
6151 case WhiteHSideCastleFR:
6152 case BlackHSideCastleFR:
6154 currentMoveString[2]--;
6156 default: ; // nothing to do, but suppresses warning of pedantic compilers
6159 hintRequested = FALSE;
6160 lastHint[0] = NULLCHAR;
6161 bookRequested = FALSE;
6162 /* Program may be pondering now */
6163 cps->maybeThinking = TRUE;
6164 if (cps->sendTime == 2) cps->sendTime = 1;
6165 if (cps->offeredDraw) cps->offeredDraw--;
6168 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
6170 SendMoveToICS(moveType, fromX, fromY, toX, toY);
6172 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
6173 char buf[3*MSG_SIZ];
6175 sprintf(buf, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
6176 programStats.score / 100.,
6178 programStats.time / 100.,
6179 (unsigned int)programStats.nodes,
6180 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
6181 programStats.movelist);
6183 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
6187 /* currentMoveString is set as a side-effect of ParseOneMove */
6188 strcpy(machineMove, currentMoveString);
6189 strcat(machineMove, "\n");
6190 strcpy(moveList[forwardMostMove], machineMove);
6192 /* [AS] Save move info and clear stats for next move */
6193 pvInfoList[ forwardMostMove ].score = programStats.score;
6194 pvInfoList[ forwardMostMove ].depth = programStats.depth;
6195 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
6196 ClearProgramStats();
6197 thinkOutput[0] = NULLCHAR;
6198 hiddenThinkOutputState = 0;
6200 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
6202 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
6203 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
6206 while( count < adjudicateLossPlies ) {
6207 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
6210 score = -score; /* Flip score for winning side */
6213 if( score > adjudicateLossThreshold ) {
6220 if( count >= adjudicateLossPlies ) {
6221 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6223 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6224 "Xboard adjudication",
6231 if( gameMode == TwoMachinesPlay ) {
6232 // [HGM] some adjudications useful with buggy engines
6233 int k, count = 0; static int bare = 1;
6234 if(gameInfo.holdingsSize == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6237 if( appData.testLegality )
6238 { /* [HGM] Some more adjudications for obstinate engines */
6239 int NrWN=0, NrBN=0, NrWB=0, NrBB=0, NrWR=0, NrBR=0,
6240 NrWQ=0, NrBQ=0, NrW=0, NrK=0, bishopsColor = 0,
6241 NrPieces=0, NrPawns=0, PawnAdvance=0, i, j;
6242 static int moveCount = 6;
6244 char *reason = NULL;
6246 /* Count what is on board. */
6247 for(i=0; i<BOARD_HEIGHT; i++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
6248 { ChessSquare p = boards[forwardMostMove][i][j];
6252 { /* count B,N,R and other of each side */
6255 NrK++; break; // [HGM] atomic: count Kings
6259 case WhiteFerz: // [HGM] shatranj: kludge to mke it work in shatranj
6260 bishopsColor |= 1 << ((i^j)&1);
6265 case BlackFerz: // [HGM] shatranj: kludge to mke it work in shatranj
6266 bishopsColor |= 1 << ((i^j)&1);
6281 PawnAdvance += m; NrPawns++;
6283 NrPieces += (p != EmptySquare);
6284 NrW += ((int)p < (int)BlackPawn);
6285 if(gameInfo.variant == VariantXiangqi &&
6286 (p == WhiteFerz || p == WhiteAlfil || p == BlackFerz || p == BlackAlfil)) {
6287 NrPieces--; // [HGM] XQ: do not count purely defensive pieces
6288 NrW -= ((int)p < (int)BlackPawn);
6292 /* Some material-based adjudications that have to be made before stalemate test */
6293 if(gameInfo.variant == VariantAtomic && NrK < 2) {
6294 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
6295 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
6296 if(appData.checkMates) {
6297 SendMoveToProgram(forwardMostMove-1, cps->other); // make sure opponent gets move
6298 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6299 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
6300 "Xboard adjudication: King destroyed", GE_XBOARD );
6305 /* Bare King in Shatranj (loses) or Losers (wins) */
6306 if( NrW == 1 || NrPieces - NrW == 1) {
6307 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
6308 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
6309 if(appData.checkMates) {
6310 SendMoveToProgram(forwardMostMove-1, cps->other); // make sure opponent gets to see move
6311 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6312 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6313 "Xboard adjudication: Bare king", GE_XBOARD );
6317 if( gameInfo.variant == VariantShatranj && --bare < 0)
6319 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
6320 if(appData.checkMates) {
6321 /* but only adjudicate if adjudication enabled */
6322 SendMoveToProgram(forwardMostMove-1, cps->other); // make sure opponent gets move
6323 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6324 GameEnds( NrW > 1 ? WhiteWins : NrPieces - NrW > 1 ? BlackWins : GameIsDrawn,
6325 "Xboard adjudication: Bare king", GE_XBOARD );
6332 // don't wait for engine to announce game end if we can judge ourselves
6333 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
6335 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
6336 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
6337 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
6338 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
6341 reason = "Xboard adjudication: 3rd check";
6342 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
6352 reason = "Xboard adjudication: Stalemate";
6353 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
6354 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
6355 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
6356 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
6357 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
6358 boards[forwardMostMove][EP_STATUS] = NrW == NrPieces-NrW ? EP_STALEMATE :
6359 ((NrW < NrPieces-NrW) != WhiteOnMove(forwardMostMove) ?
6360 EP_CHECKMATE : EP_WINS);
6361 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
6362 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
6366 reason = "Xboard adjudication: Checkmate";
6367 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
6371 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
6373 result = GameIsDrawn; break;
6375 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
6377 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
6379 result = (ChessMove) 0;
6381 if(appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
6382 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
6383 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6384 GameEnds( result, reason, GE_XBOARD );
6388 /* Next absolutely insufficient mating material. */
6389 if( NrPieces == 2 || gameInfo.variant != VariantXiangqi &&
6390 gameInfo.variant != VariantShatranj && // [HGM] baring will remain possible
6391 (NrPieces == 3 && NrWN+NrBN+NrWB+NrBB == 1 ||
6392 NrPieces == NrBB+NrWB+2 && bishopsColor != 3)) // [HGM] all Bishops (Ferz!) same color
6393 { /* KBK, KNK, KK of KBKB with like Bishops */
6395 /* always flag draws, for judging claims */
6396 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
6398 if(appData.materialDraws) {
6399 /* but only adjudicate them if adjudication enabled */
6400 SendToProgram("force\n", cps->other); // suppress reply
6401 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see last move */
6402 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6403 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
6408 /* Then some trivial draws (only adjudicate, cannot be claimed) */
6410 ( NrWR == 1 && NrBR == 1 /* KRKR */
6411 || NrWQ==1 && NrBQ==1 /* KQKQ */
6412 || NrWN==2 || NrBN==2 /* KNNK */
6413 || NrWN+NrWB == 1 && NrBN+NrBB == 1 /* KBKN, KBKB, KNKN */
6415 if(--moveCount < 0 && appData.trivialDraws)
6416 { /* if the first 3 moves do not show a tactical win, declare draw */
6417 SendToProgram("force\n", cps->other); // suppress reply
6418 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
6419 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6420 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
6423 } else moveCount = 6;
6427 if (appData.debugMode) { int i;
6428 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
6429 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
6430 appData.drawRepeats);
6431 for( i=forwardMostMove; i>=backwardMostMove; i-- )
6432 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
6436 /* Check for rep-draws */
6438 for(k = forwardMostMove-2;
6439 k>=backwardMostMove && k>=forwardMostMove-100 &&
6440 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
6441 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
6444 if(CompareBoards(boards[k], boards[forwardMostMove])) {
6445 /* compare castling rights */
6446 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
6447 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
6448 rights++; /* King lost rights, while rook still had them */
6449 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
6450 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
6451 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
6452 rights++; /* but at least one rook lost them */
6454 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
6455 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
6457 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
6458 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
6459 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
6462 if( rights == 0 && ++count > appData.drawRepeats-2
6463 && appData.drawRepeats > 1) {
6464 /* adjudicate after user-specified nr of repeats */
6465 SendToProgram("force\n", cps->other); // suppress reply
6466 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
6467 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6468 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
6469 // [HGM] xiangqi: check for forbidden perpetuals
6470 int m, ourPerpetual = 1, hisPerpetual = 1;
6471 for(m=forwardMostMove; m>k; m-=2) {
6472 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
6473 ourPerpetual = 0; // the current mover did not always check
6474 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
6475 hisPerpetual = 0; // the opponent did not always check
6477 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
6478 ourPerpetual, hisPerpetual);
6479 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
6480 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6481 "Xboard adjudication: perpetual checking", GE_XBOARD );
6484 if(hisPerpetual && !ourPerpetual) // he is checking us, but did not repeat yet
6485 break; // (or we would have caught him before). Abort repetition-checking loop.
6486 // Now check for perpetual chases
6487 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
6488 hisPerpetual = PerpetualChase(k, forwardMostMove);
6489 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
6490 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
6491 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6492 "Xboard adjudication: perpetual chasing", GE_XBOARD );
6495 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
6496 break; // Abort repetition-checking loop.
6498 // if neither of us is checking or chasing all the time, or both are, it is draw
6500 GameEnds( GameIsDrawn, "Xboard adjudication: repetition draw", GE_XBOARD );
6503 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
6504 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
6508 /* Now we test for 50-move draws. Determine ply count */
6509 count = forwardMostMove;
6510 /* look for last irreversble move */
6511 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
6513 /* if we hit starting position, add initial plies */
6514 if( count == backwardMostMove )
6515 count -= initialRulePlies;
6516 count = forwardMostMove - count;
6518 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
6519 /* this is used to judge if draw claims are legal */
6520 if(appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
6521 SendToProgram("force\n", cps->other); // suppress reply
6522 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
6523 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6524 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
6528 /* if draw offer is pending, treat it as a draw claim
6529 * when draw condition present, to allow engines a way to
6530 * claim draws before making their move to avoid a race
6531 * condition occurring after their move
6533 if( cps->other->offeredDraw || cps->offeredDraw ) {
6535 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
6536 p = "Draw claim: 50-move rule";
6537 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
6538 p = "Draw claim: 3-fold repetition";
6539 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
6540 p = "Draw claim: insufficient mating material";
6542 SendToProgram("force\n", cps->other); // suppress reply
6543 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
6544 GameEnds( GameIsDrawn, p, GE_XBOARD );
6545 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6551 if( appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
6552 SendToProgram("force\n", cps->other); // suppress reply
6553 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
6554 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6556 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
6563 if (gameMode == TwoMachinesPlay) {
6564 /* [HGM] relaying draw offers moved to after reception of move */
6565 /* and interpreting offer as claim if it brings draw condition */
6566 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
6567 SendToProgram("draw\n", cps->other);
6569 if (cps->other->sendTime) {
6570 SendTimeRemaining(cps->other,
6571 cps->other->twoMachinesColor[0] == 'w');
6573 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
6574 if (firstMove && !bookHit) {
6576 if (cps->other->useColors) {
6577 SendToProgram(cps->other->twoMachinesColor, cps->other);
6579 SendToProgram("go\n", cps->other);
6581 cps->other->maybeThinking = TRUE;
6584 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6586 if (!pausing && appData.ringBellAfterMoves) {
6591 * Reenable menu items that were disabled while
6592 * machine was thinking
6594 if (gameMode != TwoMachinesPlay)
6595 SetUserThinkingEnables();
6597 // [HGM] book: after book hit opponent has received move and is now in force mode
6598 // force the book reply into it, and then fake that it outputted this move by jumping
6599 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
6601 static char bookMove[MSG_SIZ]; // a bit generous?
6603 strcpy(bookMove, "move ");
6604 strcat(bookMove, bookHit);
6607 programStats.nodes = programStats.depth = programStats.time =
6608 programStats.score = programStats.got_only_move = 0;
6609 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6611 if(cps->lastPing != cps->lastPong) {
6612 savedMessage = message; // args for deferred call
6614 ScheduleDelayedEvent(DeferredBookMove, 10);
6623 /* Set special modes for chess engines. Later something general
6624 * could be added here; for now there is just one kludge feature,
6625 * needed because Crafty 15.10 and earlier don't ignore SIGINT
6626 * when "xboard" is given as an interactive command.
6628 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
6629 cps->useSigint = FALSE;
6630 cps->useSigterm = FALSE;
6632 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
6633 ParseFeatures(message+8, cps);
6634 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
6637 /* [HGM] Allow engine to set up a position. Don't ask me why one would
6638 * want this, I was asked to put it in, and obliged.
6640 if (!strncmp(message, "setboard ", 9)) {
6641 Board initial_position;
6643 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
6645 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
6646 DisplayError(_("Bad FEN received from engine"), 0);
6650 CopyBoard(boards[0], initial_position);
6651 initialRulePlies = FENrulePlies;
6652 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
6653 else gameMode = MachinePlaysBlack;
6654 DrawPosition(FALSE, boards[currentMove]);
6660 * Look for communication commands
6662 if (!strncmp(message, "telluser ", 9)) {
6663 DisplayNote(message + 9);
6666 if (!strncmp(message, "tellusererror ", 14)) {
6668 DisplayError(message + 14, 0);
6671 if (!strncmp(message, "tellopponent ", 13)) {
6672 if (appData.icsActive) {
6674 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
6678 DisplayNote(message + 13);
6682 if (!strncmp(message, "tellothers ", 11)) {
6683 if (appData.icsActive) {
6685 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
6691 if (!strncmp(message, "tellall ", 8)) {
6692 if (appData.icsActive) {
6694 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
6698 DisplayNote(message + 8);
6702 if (strncmp(message, "warning", 7) == 0) {
6703 /* Undocumented feature, use tellusererror in new code */
6704 DisplayError(message, 0);
6707 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
6708 strcpy(realname, cps->tidy);
6709 strcat(realname, " query");
6710 AskQuestion(realname, buf2, buf1, cps->pr);
6713 /* Commands from the engine directly to ICS. We don't allow these to be
6714 * sent until we are logged on. Crafty kibitzes have been known to
6715 * interfere with the login process.
6718 if (!strncmp(message, "tellics ", 8)) {
6719 SendToICS(message + 8);
6723 if (!strncmp(message, "tellicsnoalias ", 15)) {
6724 SendToICS(ics_prefix);
6725 SendToICS(message + 15);
6729 /* The following are for backward compatibility only */
6730 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
6731 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
6732 SendToICS(ics_prefix);
6738 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
6742 * If the move is illegal, cancel it and redraw the board.
6743 * Also deal with other error cases. Matching is rather loose
6744 * here to accommodate engines written before the spec.
6746 if (strncmp(message + 1, "llegal move", 11) == 0 ||
6747 strncmp(message, "Error", 5) == 0) {
6748 if (StrStr(message, "name") ||
6749 StrStr(message, "rating") || StrStr(message, "?") ||
6750 StrStr(message, "result") || StrStr(message, "board") ||
6751 StrStr(message, "bk") || StrStr(message, "computer") ||
6752 StrStr(message, "variant") || StrStr(message, "hint") ||
6753 StrStr(message, "random") || StrStr(message, "depth") ||
6754 StrStr(message, "accepted")) {
6757 if (StrStr(message, "protover")) {
6758 /* Program is responding to input, so it's apparently done
6759 initializing, and this error message indicates it is
6760 protocol version 1. So we don't need to wait any longer
6761 for it to initialize and send feature commands. */
6762 FeatureDone(cps, 1);
6763 cps->protocolVersion = 1;
6766 cps->maybeThinking = FALSE;
6768 if (StrStr(message, "draw")) {
6769 /* Program doesn't have "draw" command */
6770 cps->sendDrawOffers = 0;
6773 if (cps->sendTime != 1 &&
6774 (StrStr(message, "time") || StrStr(message, "otim"))) {
6775 /* Program apparently doesn't have "time" or "otim" command */
6779 if (StrStr(message, "analyze")) {
6780 cps->analysisSupport = FALSE;
6781 cps->analyzing = FALSE;
6783 sprintf(buf2, _("%s does not support analysis"), cps->tidy);
6784 DisplayError(buf2, 0);
6787 if (StrStr(message, "(no matching move)st")) {
6788 /* Special kludge for GNU Chess 4 only */
6789 cps->stKludge = TRUE;
6790 SendTimeControl(cps, movesPerSession, timeControl,
6791 timeIncrement, appData.searchDepth,
6795 if (StrStr(message, "(no matching move)sd")) {
6796 /* Special kludge for GNU Chess 4 only */
6797 cps->sdKludge = TRUE;
6798 SendTimeControl(cps, movesPerSession, timeControl,
6799 timeIncrement, appData.searchDepth,
6803 if (!StrStr(message, "llegal")) {
6806 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
6807 gameMode == IcsIdle) return;
6808 if (forwardMostMove <= backwardMostMove) return;
6809 if (pausing) PauseEvent();
6810 if(appData.forceIllegal) {
6811 // [HGM] illegal: machine refused move; force position after move into it
6812 SendToProgram("force\n", cps);
6813 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
6814 // we have a real problem now, as SendBoard will use the a2a3 kludge
6815 // when black is to move, while there might be nothing on a2 or black
6816 // might already have the move. So send the board as if white has the move.
6817 // But first we must change the stm of the engine, as it refused the last move
6818 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
6819 if(WhiteOnMove(forwardMostMove)) {
6820 SendToProgram("a7a6\n", cps); // for the engine black still had the move
6821 SendBoard(cps, forwardMostMove); // kludgeless board
6823 SendToProgram("a2a3\n", cps); // for the engine white still had the move
6824 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
6825 SendBoard(cps, forwardMostMove+1); // kludgeless board
6827 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
6828 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
6829 gameMode == TwoMachinesPlay)
6830 SendToProgram("go\n", cps);
6833 if (gameMode == PlayFromGameFile) {
6834 /* Stop reading this game file */
6835 gameMode = EditGame;
6838 currentMove = --forwardMostMove;
6839 DisplayMove(currentMove-1); /* before DisplayMoveError */
6841 DisplayBothClocks();
6842 sprintf(buf1, _("Illegal move \"%s\" (rejected by %s chess program)"),
6843 parseList[currentMove], cps->which);
6844 DisplayMoveError(buf1);
6845 DrawPosition(FALSE, boards[currentMove]);
6847 /* [HGM] illegal-move claim should forfeit game when Xboard */
6848 /* only passes fully legal moves */
6849 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
6850 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
6851 "False illegal-move claim", GE_XBOARD );
6855 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
6856 /* Program has a broken "time" command that
6857 outputs a string not ending in newline.
6863 * If chess program startup fails, exit with an error message.
6864 * Attempts to recover here are futile.
6866 if ((StrStr(message, "unknown host") != NULL)
6867 || (StrStr(message, "No remote directory") != NULL)
6868 || (StrStr(message, "not found") != NULL)
6869 || (StrStr(message, "No such file") != NULL)
6870 || (StrStr(message, "can't alloc") != NULL)
6871 || (StrStr(message, "Permission denied") != NULL)) {
6873 cps->maybeThinking = FALSE;
6874 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
6875 cps->which, cps->program, cps->host, message);
6876 RemoveInputSource(cps->isr);
6877 DisplayFatalError(buf1, 0, 1);
6882 * Look for hint output
6884 if (sscanf(message, "Hint: %s", buf1) == 1) {
6885 if (cps == &first && hintRequested) {
6886 hintRequested = FALSE;
6887 if (ParseOneMove(buf1, forwardMostMove, &moveType,
6888 &fromX, &fromY, &toX, &toY, &promoChar)) {
6889 (void) CoordsToAlgebraic(boards[forwardMostMove],
6890 PosFlags(forwardMostMove),
6891 fromY, fromX, toY, toX, promoChar, buf1);
6892 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
6893 DisplayInformation(buf2);
6895 /* Hint move could not be parsed!? */
6896 snprintf(buf2, sizeof(buf2),
6897 _("Illegal hint move \"%s\"\nfrom %s chess program"),
6899 DisplayError(buf2, 0);
6902 strcpy(lastHint, buf1);
6908 * Ignore other messages if game is not in progress
6910 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
6911 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
6914 * look for win, lose, draw, or draw offer
6916 if (strncmp(message, "1-0", 3) == 0) {
6917 char *p, *q, *r = "";
6918 p = strchr(message, '{');
6926 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
6928 } else if (strncmp(message, "0-1", 3) == 0) {
6929 char *p, *q, *r = "";
6930 p = strchr(message, '{');
6938 /* Kludge for Arasan 4.1 bug */
6939 if (strcmp(r, "Black resigns") == 0) {
6940 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
6943 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
6945 } else if (strncmp(message, "1/2", 3) == 0) {
6946 char *p, *q, *r = "";
6947 p = strchr(message, '{');
6956 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
6959 } else if (strncmp(message, "White resign", 12) == 0) {
6960 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
6962 } else if (strncmp(message, "Black resign", 12) == 0) {
6963 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
6965 } else if (strncmp(message, "White matches", 13) == 0 ||
6966 strncmp(message, "Black matches", 13) == 0 ) {
6967 /* [HGM] ignore GNUShogi noises */
6969 } else if (strncmp(message, "White", 5) == 0 &&
6970 message[5] != '(' &&
6971 StrStr(message, "Black") == NULL) {
6972 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
6974 } else if (strncmp(message, "Black", 5) == 0 &&
6975 message[5] != '(') {
6976 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
6978 } else if (strcmp(message, "resign") == 0 ||
6979 strcmp(message, "computer resigns") == 0) {
6981 case MachinePlaysBlack:
6982 case IcsPlayingBlack:
6983 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
6985 case MachinePlaysWhite:
6986 case IcsPlayingWhite:
6987 GameEnds(BlackWins, "White resigns", GE_ENGINE);
6989 case TwoMachinesPlay:
6990 if (cps->twoMachinesColor[0] == 'w')
6991 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
6993 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7000 } else if (strncmp(message, "opponent mates", 14) == 0) {
7002 case MachinePlaysBlack:
7003 case IcsPlayingBlack:
7004 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7006 case MachinePlaysWhite:
7007 case IcsPlayingWhite:
7008 GameEnds(BlackWins, "Black mates", GE_ENGINE);
7010 case TwoMachinesPlay:
7011 if (cps->twoMachinesColor[0] == 'w')
7012 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7014 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7021 } else if (strncmp(message, "computer mates", 14) == 0) {
7023 case MachinePlaysBlack:
7024 case IcsPlayingBlack:
7025 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
7027 case MachinePlaysWhite:
7028 case IcsPlayingWhite:
7029 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7031 case TwoMachinesPlay:
7032 if (cps->twoMachinesColor[0] == 'w')
7033 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7035 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7042 } else if (strncmp(message, "checkmate", 9) == 0) {
7043 if (WhiteOnMove(forwardMostMove)) {
7044 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7046 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7049 } else if (strstr(message, "Draw") != NULL ||
7050 strstr(message, "game is a draw") != NULL) {
7051 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
7053 } else if (strstr(message, "offer") != NULL &&
7054 strstr(message, "draw") != NULL) {
7056 if (appData.zippyPlay && first.initDone) {
7057 /* Relay offer to ICS */
7058 SendToICS(ics_prefix);
7059 SendToICS("draw\n");
7062 cps->offeredDraw = 2; /* valid until this engine moves twice */
7063 if (gameMode == TwoMachinesPlay) {
7064 if (cps->other->offeredDraw) {
7065 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7066 /* [HGM] in two-machine mode we delay relaying draw offer */
7067 /* until after we also have move, to see if it is really claim */
7069 } else if (gameMode == MachinePlaysWhite ||
7070 gameMode == MachinePlaysBlack) {
7071 if (userOfferedDraw) {
7072 DisplayInformation(_("Machine accepts your draw offer"));
7073 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7075 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
7082 * Look for thinking output
7084 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
7085 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7087 int plylev, mvleft, mvtot, curscore, time;
7088 char mvname[MOVE_LEN];
7092 int prefixHint = FALSE;
7093 mvname[0] = NULLCHAR;
7096 case MachinePlaysBlack:
7097 case IcsPlayingBlack:
7098 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7100 case MachinePlaysWhite:
7101 case IcsPlayingWhite:
7102 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7107 case IcsObserving: /* [DM] icsEngineAnalyze */
7108 if (!appData.icsEngineAnalyze) ignore = TRUE;
7110 case TwoMachinesPlay:
7111 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
7122 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7123 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
7125 if (plyext != ' ' && plyext != '\t') {
7129 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7130 if( cps->scoreIsAbsolute &&
7131 ( gameMode == MachinePlaysBlack ||
7132 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
7133 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
7134 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
7135 !WhiteOnMove(currentMove)
7138 curscore = -curscore;
7142 programStats.depth = plylev;
7143 programStats.nodes = nodes;
7144 programStats.time = time;
7145 programStats.score = curscore;
7146 programStats.got_only_move = 0;
7148 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
7151 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
7152 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
7153 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
7154 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
7155 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
7156 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
7157 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
7158 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
7161 /* Buffer overflow protection */
7162 if (buf1[0] != NULLCHAR) {
7163 if (strlen(buf1) >= sizeof(programStats.movelist)
7164 && appData.debugMode) {
7166 "PV is too long; using the first %u bytes.\n",
7167 (unsigned) sizeof(programStats.movelist) - 1);
7170 safeStrCpy( programStats.movelist, buf1, sizeof(programStats.movelist) );
7172 sprintf(programStats.movelist, " no PV\n");
7175 if (programStats.seen_stat) {
7176 programStats.ok_to_send = 1;
7179 if (strchr(programStats.movelist, '(') != NULL) {
7180 programStats.line_is_book = 1;
7181 programStats.nr_moves = 0;
7182 programStats.moves_left = 0;
7184 programStats.line_is_book = 0;
7187 SendProgramStatsToFrontend( cps, &programStats );
7190 [AS] Protect the thinkOutput buffer from overflow... this
7191 is only useful if buf1 hasn't overflowed first!
7193 sprintf(thinkOutput, "[%d]%c%+.2f %s%s",
7195 (gameMode == TwoMachinesPlay ?
7196 ToUpper(cps->twoMachinesColor[0]) : ' '),
7197 ((double) curscore) / 100.0,
7198 prefixHint ? lastHint : "",
7199 prefixHint ? " " : "" );
7201 if( buf1[0] != NULLCHAR ) {
7202 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
7204 if( strlen(buf1) > max_len ) {
7205 if( appData.debugMode) {
7206 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
7208 buf1[max_len+1] = '\0';
7211 strcat( thinkOutput, buf1 );
7214 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
7215 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7216 DisplayMove(currentMove - 1);
7220 } else if ((p=StrStr(message, "(only move)")) != NULL) {
7221 /* crafty (9.25+) says "(only move) <move>"
7222 * if there is only 1 legal move
7224 sscanf(p, "(only move) %s", buf1);
7225 sprintf(thinkOutput, "%s (only move)", buf1);
7226 sprintf(programStats.movelist, "%s (only move)", buf1);
7227 programStats.depth = 1;
7228 programStats.nr_moves = 1;
7229 programStats.moves_left = 1;
7230 programStats.nodes = 1;
7231 programStats.time = 1;
7232 programStats.got_only_move = 1;
7234 /* Not really, but we also use this member to
7235 mean "line isn't going to change" (Crafty
7236 isn't searching, so stats won't change) */
7237 programStats.line_is_book = 1;
7239 SendProgramStatsToFrontend( cps, &programStats );
7241 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
7242 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7243 DisplayMove(currentMove - 1);
7246 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
7247 &time, &nodes, &plylev, &mvleft,
7248 &mvtot, mvname) >= 5) {
7249 /* The stat01: line is from Crafty (9.29+) in response
7250 to the "." command */
7251 programStats.seen_stat = 1;
7252 cps->maybeThinking = TRUE;
7254 if (programStats.got_only_move || !appData.periodicUpdates)
7257 programStats.depth = plylev;
7258 programStats.time = time;
7259 programStats.nodes = nodes;
7260 programStats.moves_left = mvleft;
7261 programStats.nr_moves = mvtot;
7262 strcpy(programStats.move_name, mvname);
7263 programStats.ok_to_send = 1;
7264 programStats.movelist[0] = '\0';
7266 SendProgramStatsToFrontend( cps, &programStats );
7270 } else if (strncmp(message,"++",2) == 0) {
7271 /* Crafty 9.29+ outputs this */
7272 programStats.got_fail = 2;
7275 } else if (strncmp(message,"--",2) == 0) {
7276 /* Crafty 9.29+ outputs this */
7277 programStats.got_fail = 1;
7280 } else if (thinkOutput[0] != NULLCHAR &&
7281 strncmp(message, " ", 4) == 0) {
7282 unsigned message_len;
7285 while (*p && *p == ' ') p++;
7287 message_len = strlen( p );
7289 /* [AS] Avoid buffer overflow */
7290 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
7291 strcat(thinkOutput, " ");
7292 strcat(thinkOutput, p);
7295 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
7296 strcat(programStats.movelist, " ");
7297 strcat(programStats.movelist, p);
7300 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
7301 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7302 DisplayMove(currentMove - 1);
7310 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7311 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
7313 ChessProgramStats cpstats;
7315 if (plyext != ' ' && plyext != '\t') {
7319 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7320 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
7321 curscore = -curscore;
7324 cpstats.depth = plylev;
7325 cpstats.nodes = nodes;
7326 cpstats.time = time;
7327 cpstats.score = curscore;
7328 cpstats.got_only_move = 0;
7329 cpstats.movelist[0] = '\0';
7331 if (buf1[0] != NULLCHAR) {
7332 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist) );
7335 cpstats.ok_to_send = 0;
7336 cpstats.line_is_book = 0;
7337 cpstats.nr_moves = 0;
7338 cpstats.moves_left = 0;
7340 SendProgramStatsToFrontend( cps, &cpstats );
7347 /* Parse a game score from the character string "game", and
7348 record it as the history of the current game. The game
7349 score is NOT assumed to start from the standard position.
7350 The display is not updated in any way.
7353 ParseGameHistory(game)
7357 int fromX, fromY, toX, toY, boardIndex;
7362 if (appData.debugMode)
7363 fprintf(debugFP, "Parsing game history: %s\n", game);
7365 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
7366 gameInfo.site = StrSave(appData.icsHost);
7367 gameInfo.date = PGNDate();
7368 gameInfo.round = StrSave("-");
7370 /* Parse out names of players */
7371 while (*game == ' ') game++;
7373 while (*game != ' ') *p++ = *game++;
7375 gameInfo.white = StrSave(buf);
7376 while (*game == ' ') game++;
7378 while (*game != ' ' && *game != '\n') *p++ = *game++;
7380 gameInfo.black = StrSave(buf);
7383 boardIndex = blackPlaysFirst ? 1 : 0;
7386 yyboardindex = boardIndex;
7387 moveType = (ChessMove) yylex();
7389 case IllegalMove: /* maybe suicide chess, etc. */
7390 if (appData.debugMode) {
7391 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
7392 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
7393 setbuf(debugFP, NULL);
7395 case WhitePromotionChancellor:
7396 case BlackPromotionChancellor:
7397 case WhitePromotionArchbishop:
7398 case BlackPromotionArchbishop:
7399 case WhitePromotionQueen:
7400 case BlackPromotionQueen:
7401 case WhitePromotionRook:
7402 case BlackPromotionRook:
7403 case WhitePromotionBishop:
7404 case BlackPromotionBishop:
7405 case WhitePromotionKnight:
7406 case BlackPromotionKnight:
7407 case WhitePromotionKing:
7408 case BlackPromotionKing:
7410 case WhiteCapturesEnPassant:
7411 case BlackCapturesEnPassant:
7412 case WhiteKingSideCastle:
7413 case WhiteQueenSideCastle:
7414 case BlackKingSideCastle:
7415 case BlackQueenSideCastle:
7416 case WhiteKingSideCastleWild:
7417 case WhiteQueenSideCastleWild:
7418 case BlackKingSideCastleWild:
7419 case BlackQueenSideCastleWild:
7421 case WhiteHSideCastleFR:
7422 case WhiteASideCastleFR:
7423 case BlackHSideCastleFR:
7424 case BlackASideCastleFR:
7426 fromX = currentMoveString[0] - AAA;
7427 fromY = currentMoveString[1] - ONE;
7428 toX = currentMoveString[2] - AAA;
7429 toY = currentMoveString[3] - ONE;
7430 promoChar = currentMoveString[4];
7434 fromX = moveType == WhiteDrop ?
7435 (int) CharToPiece(ToUpper(currentMoveString[0])) :
7436 (int) CharToPiece(ToLower(currentMoveString[0]));
7438 toX = currentMoveString[2] - AAA;
7439 toY = currentMoveString[3] - ONE;
7440 promoChar = NULLCHAR;
7444 sprintf(buf, _("Ambiguous move in ICS output: \"%s\""), yy_text);
7445 if (appData.debugMode) {
7446 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
7447 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
7448 setbuf(debugFP, NULL);
7450 DisplayError(buf, 0);
7452 case ImpossibleMove:
7454 sprintf(buf, _("Illegal move in ICS output: \"%s\""), yy_text);
7455 if (appData.debugMode) {
7456 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
7457 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
7458 setbuf(debugFP, NULL);
7460 DisplayError(buf, 0);
7462 case (ChessMove) 0: /* end of file */
7463 if (boardIndex < backwardMostMove) {
7464 /* Oops, gap. How did that happen? */
7465 DisplayError(_("Gap in move list"), 0);
7468 backwardMostMove = blackPlaysFirst ? 1 : 0;
7469 if (boardIndex > forwardMostMove) {
7470 forwardMostMove = boardIndex;
7474 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
7475 strcat(parseList[boardIndex-1], " ");
7476 strcat(parseList[boardIndex-1], yy_text);
7488 case GameUnfinished:
7489 if (gameMode == IcsExamining) {
7490 if (boardIndex < backwardMostMove) {
7491 /* Oops, gap. How did that happen? */
7494 backwardMostMove = blackPlaysFirst ? 1 : 0;
7497 gameInfo.result = moveType;
7498 p = strchr(yy_text, '{');
7499 if (p == NULL) p = strchr(yy_text, '(');
7502 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
7504 q = strchr(p, *p == '{' ? '}' : ')');
7505 if (q != NULL) *q = NULLCHAR;
7508 gameInfo.resultDetails = StrSave(p);
7511 if (boardIndex >= forwardMostMove &&
7512 !(gameMode == IcsObserving && ics_gamenum == -1)) {
7513 backwardMostMove = blackPlaysFirst ? 1 : 0;
7516 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
7517 fromY, fromX, toY, toX, promoChar,
7518 parseList[boardIndex]);
7519 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
7520 /* currentMoveString is set as a side-effect of yylex */
7521 strcpy(moveList[boardIndex], currentMoveString);
7522 strcat(moveList[boardIndex], "\n");
7524 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
7525 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
7531 if(gameInfo.variant != VariantShogi)
7532 strcat(parseList[boardIndex - 1], "+");
7536 strcat(parseList[boardIndex - 1], "#");
7543 /* Apply a move to the given board */
7545 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
7546 int fromX, fromY, toX, toY;
7550 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
7552 /* [HGM] compute & store e.p. status and castling rights for new position */
7553 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
7556 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
7557 oldEP = (signed char)board[EP_STATUS];
7558 board[EP_STATUS] = EP_NONE;
7560 if( board[toY][toX] != EmptySquare )
7561 board[EP_STATUS] = EP_CAPTURE;
7563 if( board[fromY][fromX] == WhitePawn ) {
7564 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
7565 board[EP_STATUS] = EP_PAWN_MOVE;
7567 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
7568 gameInfo.variant != VariantBerolina || toX < fromX)
7569 board[EP_STATUS] = toX | berolina;
7570 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
7571 gameInfo.variant != VariantBerolina || toX > fromX)
7572 board[EP_STATUS] = toX;
7575 if( board[fromY][fromX] == BlackPawn ) {
7576 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
7577 board[EP_STATUS] = EP_PAWN_MOVE;
7578 if( toY-fromY== -2) {
7579 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
7580 gameInfo.variant != VariantBerolina || toX < fromX)
7581 board[EP_STATUS] = toX | berolina;
7582 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
7583 gameInfo.variant != VariantBerolina || toX > fromX)
7584 board[EP_STATUS] = toX;
7588 for(i=0; i<nrCastlingRights; i++) {
7589 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
7590 board[CASTLING][i] == toX && castlingRank[i] == toY
7591 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
7596 /* [HGM] In Shatranj and Courier all promotions are to Ferz */
7597 if((gameInfo.variant==VariantShatranj || gameInfo.variant==VariantCourier)
7598 && promoChar != 0) promoChar = PieceToChar(WhiteFerz);
7600 if (fromX == toX && fromY == toY) return;
7602 if (fromY == DROP_RANK) {
7604 piece = board[toY][toX] = (ChessSquare) fromX;
7606 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
7607 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
7608 if(gameInfo.variant == VariantKnightmate)
7609 king += (int) WhiteUnicorn - (int) WhiteKing;
7611 /* Code added by Tord: */
7612 /* FRC castling assumed when king captures friendly rook. */
7613 if (board[fromY][fromX] == WhiteKing &&
7614 board[toY][toX] == WhiteRook) {
7615 board[fromY][fromX] = EmptySquare;
7616 board[toY][toX] = EmptySquare;
7618 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
7620 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
7622 } else if (board[fromY][fromX] == BlackKing &&
7623 board[toY][toX] == BlackRook) {
7624 board[fromY][fromX] = EmptySquare;
7625 board[toY][toX] = EmptySquare;
7627 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
7629 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
7631 /* End of code added by Tord */
7633 } else if (board[fromY][fromX] == king
7634 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
7635 && toY == fromY && toX > fromX+1) {
7636 board[fromY][fromX] = EmptySquare;
7637 board[toY][toX] = king;
7638 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
7639 board[fromY][BOARD_RGHT-1] = EmptySquare;
7640 } else if (board[fromY][fromX] == king
7641 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
7642 && toY == fromY && toX < fromX-1) {
7643 board[fromY][fromX] = EmptySquare;
7644 board[toY][toX] = king;
7645 board[toY][toX+1] = board[fromY][BOARD_LEFT];
7646 board[fromY][BOARD_LEFT] = EmptySquare;
7647 } else if (board[fromY][fromX] == WhitePawn
7648 && toY == BOARD_HEIGHT-1
7649 && gameInfo.variant != VariantXiangqi
7651 /* white pawn promotion */
7652 board[toY][toX] = CharToPiece(ToUpper(promoChar));
7653 if (board[toY][toX] == EmptySquare) {
7654 board[toY][toX] = WhiteQueen;
7656 if(gameInfo.variant==VariantBughouse ||
7657 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
7658 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
7659 board[fromY][fromX] = EmptySquare;
7660 } else if ((fromY == BOARD_HEIGHT-4)
7662 && gameInfo.variant != VariantXiangqi
7663 && gameInfo.variant != VariantBerolina
7664 && (board[fromY][fromX] == WhitePawn)
7665 && (board[toY][toX] == EmptySquare)) {
7666 board[fromY][fromX] = EmptySquare;
7667 board[toY][toX] = WhitePawn;
7668 captured = board[toY - 1][toX];
7669 board[toY - 1][toX] = EmptySquare;
7670 } else if ((fromY == BOARD_HEIGHT-4)
7672 && gameInfo.variant == VariantBerolina
7673 && (board[fromY][fromX] == WhitePawn)
7674 && (board[toY][toX] == EmptySquare)) {
7675 board[fromY][fromX] = EmptySquare;
7676 board[toY][toX] = WhitePawn;
7677 if(oldEP & EP_BEROLIN_A) {
7678 captured = board[fromY][fromX-1];
7679 board[fromY][fromX-1] = EmptySquare;
7680 }else{ captured = board[fromY][fromX+1];
7681 board[fromY][fromX+1] = EmptySquare;
7683 } else if (board[fromY][fromX] == king
7684 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
7685 && toY == fromY && toX > fromX+1) {
7686 board[fromY][fromX] = EmptySquare;
7687 board[toY][toX] = king;
7688 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
7689 board[fromY][BOARD_RGHT-1] = EmptySquare;
7690 } else if (board[fromY][fromX] == king
7691 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
7692 && toY == fromY && toX < fromX-1) {
7693 board[fromY][fromX] = EmptySquare;
7694 board[toY][toX] = king;
7695 board[toY][toX+1] = board[fromY][BOARD_LEFT];
7696 board[fromY][BOARD_LEFT] = EmptySquare;
7697 } else if (fromY == 7 && fromX == 3
7698 && board[fromY][fromX] == BlackKing
7699 && toY == 7 && toX == 5) {
7700 board[fromY][fromX] = EmptySquare;
7701 board[toY][toX] = BlackKing;
7702 board[fromY][7] = EmptySquare;
7703 board[toY][4] = BlackRook;
7704 } else if (fromY == 7 && fromX == 3
7705 && board[fromY][fromX] == BlackKing
7706 && toY == 7 && toX == 1) {
7707 board[fromY][fromX] = EmptySquare;
7708 board[toY][toX] = BlackKing;
7709 board[fromY][0] = EmptySquare;
7710 board[toY][2] = BlackRook;
7711 } else if (board[fromY][fromX] == BlackPawn
7713 && gameInfo.variant != VariantXiangqi
7715 /* black pawn promotion */
7716 board[0][toX] = CharToPiece(ToLower(promoChar));
7717 if (board[0][toX] == EmptySquare) {
7718 board[0][toX] = BlackQueen;
7720 if(gameInfo.variant==VariantBughouse ||
7721 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
7722 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
7723 board[fromY][fromX] = EmptySquare;
7724 } else if ((fromY == 3)
7726 && gameInfo.variant != VariantXiangqi
7727 && gameInfo.variant != VariantBerolina
7728 && (board[fromY][fromX] == BlackPawn)
7729 && (board[toY][toX] == EmptySquare)) {
7730 board[fromY][fromX] = EmptySquare;
7731 board[toY][toX] = BlackPawn;
7732 captured = board[toY + 1][toX];
7733 board[toY + 1][toX] = EmptySquare;
7734 } else if ((fromY == 3)
7736 && gameInfo.variant == VariantBerolina
7737 && (board[fromY][fromX] == BlackPawn)
7738 && (board[toY][toX] == EmptySquare)) {
7739 board[fromY][fromX] = EmptySquare;
7740 board[toY][toX] = BlackPawn;
7741 if(oldEP & EP_BEROLIN_A) {
7742 captured = board[fromY][fromX-1];
7743 board[fromY][fromX-1] = EmptySquare;
7744 }else{ captured = board[fromY][fromX+1];
7745 board[fromY][fromX+1] = EmptySquare;
7748 board[toY][toX] = board[fromY][fromX];
7749 board[fromY][fromX] = EmptySquare;
7752 /* [HGM] now we promote for Shogi, if needed */
7753 if(gameInfo.variant == VariantShogi && promoChar == 'q')
7754 board[toY][toX] = (ChessSquare) (PROMOTED piece);
7757 if (gameInfo.holdingsWidth != 0) {
7759 /* !!A lot more code needs to be written to support holdings */
7760 /* [HGM] OK, so I have written it. Holdings are stored in the */
7761 /* penultimate board files, so they are automaticlly stored */
7762 /* in the game history. */
7763 if (fromY == DROP_RANK) {
7764 /* Delete from holdings, by decreasing count */
7765 /* and erasing image if necessary */
7767 if(p < (int) BlackPawn) { /* white drop */
7768 p -= (int)WhitePawn;
7769 p = PieceToNumber((ChessSquare)p);
7770 if(p >= gameInfo.holdingsSize) p = 0;
7771 if(--board[p][BOARD_WIDTH-2] <= 0)
7772 board[p][BOARD_WIDTH-1] = EmptySquare;
7773 if((int)board[p][BOARD_WIDTH-2] < 0)
7774 board[p][BOARD_WIDTH-2] = 0;
7775 } else { /* black drop */
7776 p -= (int)BlackPawn;
7777 p = PieceToNumber((ChessSquare)p);
7778 if(p >= gameInfo.holdingsSize) p = 0;
7779 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
7780 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
7781 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
7782 board[BOARD_HEIGHT-1-p][1] = 0;
7785 if (captured != EmptySquare && gameInfo.holdingsSize > 0
7786 && gameInfo.variant != VariantBughouse ) {
7787 /* [HGM] holdings: Add to holdings, if holdings exist */
7788 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
7789 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
7790 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
7793 if (p >= (int) BlackPawn) {
7794 p -= (int)BlackPawn;
7795 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
7796 /* in Shogi restore piece to its original first */
7797 captured = (ChessSquare) (DEMOTED captured);
7800 p = PieceToNumber((ChessSquare)p);
7801 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
7802 board[p][BOARD_WIDTH-2]++;
7803 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
7805 p -= (int)WhitePawn;
7806 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
7807 captured = (ChessSquare) (DEMOTED captured);
7810 p = PieceToNumber((ChessSquare)p);
7811 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
7812 board[BOARD_HEIGHT-1-p][1]++;
7813 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
7816 } else if (gameInfo.variant == VariantAtomic) {
7817 if (captured != EmptySquare) {
7819 for (y = toY-1; y <= toY+1; y++) {
7820 for (x = toX-1; x <= toX+1; x++) {
7821 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
7822 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
7823 board[y][x] = EmptySquare;
7827 board[toY][toX] = EmptySquare;
7830 if(gameInfo.variant == VariantShogi && promoChar != NULLCHAR && promoChar != '=') {
7831 /* [HGM] Shogi promotions */
7832 board[toY][toX] = (ChessSquare) (PROMOTED piece);
7835 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
7836 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
7837 // [HGM] superchess: take promotion piece out of holdings
7838 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
7839 if((int)piece < (int)BlackPawn) { // determine stm from piece color
7840 if(!--board[k][BOARD_WIDTH-2])
7841 board[k][BOARD_WIDTH-1] = EmptySquare;
7843 if(!--board[BOARD_HEIGHT-1-k][1])
7844 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
7850 /* Updates forwardMostMove */
7852 MakeMove(fromX, fromY, toX, toY, promoChar)
7853 int fromX, fromY, toX, toY;
7856 // forwardMostMove++; // [HGM] bare: moved downstream
7858 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
7859 int timeLeft; static int lastLoadFlag=0; int king, piece;
7860 piece = boards[forwardMostMove][fromY][fromX];
7861 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
7862 if(gameInfo.variant == VariantKnightmate)
7863 king += (int) WhiteUnicorn - (int) WhiteKing;
7864 if(forwardMostMove == 0) {
7866 fprintf(serverMoves, "%s;", second.tidy);
7867 fprintf(serverMoves, "%s;", first.tidy);
7868 if(!blackPlaysFirst)
7869 fprintf(serverMoves, "%s;", second.tidy);
7870 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
7871 lastLoadFlag = loadFlag;
7873 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
7874 // print castling suffix
7875 if( toY == fromY && piece == king ) {
7877 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
7879 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
7882 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
7883 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
7884 boards[forwardMostMove][toY][toX] == EmptySquare
7886 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
7888 if(promoChar != NULLCHAR)
7889 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
7891 fprintf(serverMoves, "/%d/%d",
7892 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
7893 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
7894 else timeLeft = blackTimeRemaining/1000;
7895 fprintf(serverMoves, "/%d", timeLeft);
7897 fflush(serverMoves);
7900 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
7901 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
7905 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
7906 if (commentList[forwardMostMove+1] != NULL) {
7907 free(commentList[forwardMostMove+1]);
7908 commentList[forwardMostMove+1] = NULL;
7910 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7911 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
7912 forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
7913 SwitchClocks(); // uses forwardMostMove, so must be done after incrementing it !
7914 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
7915 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
7916 gameInfo.result = GameUnfinished;
7917 if (gameInfo.resultDetails != NULL) {
7918 free(gameInfo.resultDetails);
7919 gameInfo.resultDetails = NULL;
7921 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
7922 moveList[forwardMostMove - 1]);
7923 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
7924 PosFlags(forwardMostMove - 1),
7925 fromY, fromX, toY, toX, promoChar,
7926 parseList[forwardMostMove - 1]);
7927 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7933 if(gameInfo.variant != VariantShogi)
7934 strcat(parseList[forwardMostMove - 1], "+");
7938 strcat(parseList[forwardMostMove - 1], "#");
7941 if (appData.debugMode) {
7942 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
7947 /* Updates currentMove if not pausing */
7949 ShowMove(fromX, fromY, toX, toY)
7951 int instant = (gameMode == PlayFromGameFile) ?
7952 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
7953 if(appData.noGUI) return;
7954 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
7956 if (forwardMostMove == currentMove + 1) {
7957 AnimateMove(boards[forwardMostMove - 1],
7958 fromX, fromY, toX, toY);
7960 if (appData.highlightLastMove) {
7961 SetHighlights(fromX, fromY, toX, toY);
7964 currentMove = forwardMostMove;
7967 if (instant) return;
7969 DisplayMove(currentMove - 1);
7970 DrawPosition(FALSE, boards[currentMove]);
7971 DisplayBothClocks();
7972 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
7975 void SendEgtPath(ChessProgramState *cps)
7976 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
7977 char buf[MSG_SIZ], name[MSG_SIZ], *p;
7979 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
7982 char c, *q = name+1, *r, *s;
7984 name[0] = ','; // extract next format name from feature and copy with prefixed ','
7985 while(*p && *p != ',') *q++ = *p++;
7987 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
7988 strcmp(name, ",nalimov:") == 0 ) {
7989 // take nalimov path from the menu-changeable option first, if it is defined
7990 sprintf(buf, "egtpath nalimov %s\n", appData.defaultPathEGTB);
7991 SendToProgram(buf,cps); // send egtbpath command for nalimov
7993 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
7994 (s = StrStr(appData.egtFormats, name)) != NULL) {
7995 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
7996 s = r = StrStr(s, ":") + 1; // beginning of path info
7997 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
7998 c = *r; *r = 0; // temporarily null-terminate path info
7999 *--q = 0; // strip of trailig ':' from name
8000 sprintf(buf, "egtpath %s %s\n", name+1, s);
8002 SendToProgram(buf,cps); // send egtbpath command for this format
8004 if(*p == ',') p++; // read away comma to position for next format name
8009 InitChessProgram(cps, setup)
8010 ChessProgramState *cps;
8011 int setup; /* [HGM] needed to setup FRC opening position */
8013 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
8014 if (appData.noChessProgram) return;
8015 hintRequested = FALSE;
8016 bookRequested = FALSE;
8018 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
8019 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
8020 if(cps->memSize) { /* [HGM] memory */
8021 sprintf(buf, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
8022 SendToProgram(buf, cps);
8024 SendEgtPath(cps); /* [HGM] EGT */
8025 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
8026 sprintf(buf, "cores %d\n", appData.smpCores);
8027 SendToProgram(buf, cps);
8030 SendToProgram(cps->initString, cps);
8031 if (gameInfo.variant != VariantNormal &&
8032 gameInfo.variant != VariantLoadable
8033 /* [HGM] also send variant if board size non-standard */
8034 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
8036 char *v = VariantName(gameInfo.variant);
8037 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
8038 /* [HGM] in protocol 1 we have to assume all variants valid */
8039 sprintf(buf, _("Variant %s not supported by %s"), v, cps->tidy);
8040 DisplayFatalError(buf, 0, 1);
8044 /* [HGM] make prefix for non-standard board size. Awkward testing... */
8045 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8046 if( gameInfo.variant == VariantXiangqi )
8047 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
8048 if( gameInfo.variant == VariantShogi )
8049 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
8050 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
8051 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
8052 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
8053 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
8054 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8055 if( gameInfo.variant == VariantCourier )
8056 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8057 if( gameInfo.variant == VariantSuper )
8058 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8059 if( gameInfo.variant == VariantGreat )
8060 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8063 sprintf(b, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
8064 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
8065 /* [HGM] varsize: try first if this defiant size variant is specifically known */
8066 if(StrStr(cps->variants, b) == NULL) {
8067 // specific sized variant not known, check if general sizing allowed
8068 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
8069 if(StrStr(cps->variants, "boardsize") == NULL) {
8070 sprintf(buf, "Board size %dx%d+%d not supported by %s",
8071 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
8072 DisplayFatalError(buf, 0, 1);
8075 /* [HGM] here we really should compare with the maximum supported board size */
8078 } else sprintf(b, "%s", VariantName(gameInfo.variant));
8079 sprintf(buf, "variant %s\n", b);
8080 SendToProgram(buf, cps);
8082 currentlyInitializedVariant = gameInfo.variant;
8084 /* [HGM] send opening position in FRC to first engine */
8086 SendToProgram("force\n", cps);
8088 /* engine is now in force mode! Set flag to wake it up after first move. */
8089 setboardSpoiledMachineBlack = 1;
8093 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
8094 SendToProgram(buf, cps);
8096 cps->maybeThinking = FALSE;
8097 cps->offeredDraw = 0;
8098 if (!appData.icsActive) {
8099 SendTimeControl(cps, movesPerSession, timeControl,
8100 timeIncrement, appData.searchDepth,
8103 if (appData.showThinking
8104 // [HGM] thinking: four options require thinking output to be sent
8105 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8107 SendToProgram("post\n", cps);
8109 SendToProgram("hard\n", cps);
8110 if (!appData.ponderNextMove) {
8111 /* Warning: "easy" is a toggle in GNU Chess, so don't send
8112 it without being sure what state we are in first. "hard"
8113 is not a toggle, so that one is OK.
8115 SendToProgram("easy\n", cps);
8118 sprintf(buf, "ping %d\n", ++cps->lastPing);
8119 SendToProgram(buf, cps);
8121 cps->initDone = TRUE;
8126 StartChessProgram(cps)
8127 ChessProgramState *cps;
8132 if (appData.noChessProgram) return;
8133 cps->initDone = FALSE;
8135 if (strcmp(cps->host, "localhost") == 0) {
8136 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
8137 } else if (*appData.remoteShell == NULLCHAR) {
8138 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
8140 if (*appData.remoteUser == NULLCHAR) {
8141 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
8144 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
8145 cps->host, appData.remoteUser, cps->program);
8147 err = StartChildProcess(buf, "", &cps->pr);
8151 sprintf(buf, _("Startup failure on '%s'"), cps->program);
8152 DisplayFatalError(buf, err, 1);
8158 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
8159 if (cps->protocolVersion > 1) {
8160 sprintf(buf, "xboard\nprotover %d\n", cps->protocolVersion);
8161 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
8162 cps->comboCnt = 0; // and values of combo boxes
8163 SendToProgram(buf, cps);
8165 SendToProgram("xboard\n", cps);
8171 TwoMachinesEventIfReady P((void))
8173 if (first.lastPing != first.lastPong) {
8174 DisplayMessage("", _("Waiting for first chess program"));
8175 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8178 if (second.lastPing != second.lastPong) {
8179 DisplayMessage("", _("Waiting for second chess program"));
8180 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8188 NextMatchGame P((void))
8190 int index; /* [HGM] autoinc: step load index during match */
8192 if (*appData.loadGameFile != NULLCHAR) {
8193 index = appData.loadGameIndex;
8194 if(index < 0) { // [HGM] autoinc
8195 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8196 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8198 LoadGameFromFile(appData.loadGameFile,
8200 appData.loadGameFile, FALSE);
8201 } else if (*appData.loadPositionFile != NULLCHAR) {
8202 index = appData.loadPositionIndex;
8203 if(index < 0) { // [HGM] autoinc
8204 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8205 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8207 LoadPositionFromFile(appData.loadPositionFile,
8209 appData.loadPositionFile);
8211 TwoMachinesEventIfReady();
8214 void UserAdjudicationEvent( int result )
8216 ChessMove gameResult = GameIsDrawn;
8219 gameResult = WhiteWins;
8221 else if( result < 0 ) {
8222 gameResult = BlackWins;
8225 if( gameMode == TwoMachinesPlay ) {
8226 GameEnds( gameResult, "User adjudication", GE_XBOARD );
8231 // [HGM] save: calculate checksum of game to make games easily identifiable
8232 int StringCheckSum(char *s)
8235 if(s==NULL) return 0;
8236 while(*s) i = i*259 + *s++;
8243 for(i=backwardMostMove; i<forwardMostMove; i++) {
8244 sum += pvInfoList[i].depth;
8245 sum += StringCheckSum(parseList[i]);
8246 sum += StringCheckSum(commentList[i]);
8249 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
8250 return sum + StringCheckSum(commentList[i]);
8251 } // end of save patch
8254 GameEnds(result, resultDetails, whosays)
8256 char *resultDetails;
8259 GameMode nextGameMode;
8263 if(endingGame) return; /* [HGM] crash: forbid recursion */
8266 if (appData.debugMode) {
8267 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
8268 result, resultDetails ? resultDetails : "(null)", whosays);
8271 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
8272 /* If we are playing on ICS, the server decides when the
8273 game is over, but the engine can offer to draw, claim
8277 if (appData.zippyPlay && first.initDone) {
8278 if (result == GameIsDrawn) {
8279 /* In case draw still needs to be claimed */
8280 SendToICS(ics_prefix);
8281 SendToICS("draw\n");
8282 } else if (StrCaseStr(resultDetails, "resign")) {
8283 SendToICS(ics_prefix);
8284 SendToICS("resign\n");
8288 endingGame = 0; /* [HGM] crash */
8292 /* If we're loading the game from a file, stop */
8293 if (whosays == GE_FILE) {
8294 (void) StopLoadGameTimer();
8298 /* Cancel draw offers */
8299 first.offeredDraw = second.offeredDraw = 0;
8301 /* If this is an ICS game, only ICS can really say it's done;
8302 if not, anyone can. */
8303 isIcsGame = (gameMode == IcsPlayingWhite ||
8304 gameMode == IcsPlayingBlack ||
8305 gameMode == IcsObserving ||
8306 gameMode == IcsExamining);
8308 if (!isIcsGame || whosays == GE_ICS) {
8309 /* OK -- not an ICS game, or ICS said it was done */
8311 if (!isIcsGame && !appData.noChessProgram)
8312 SetUserThinkingEnables();
8314 /* [HGM] if a machine claims the game end we verify this claim */
8315 if(gameMode == TwoMachinesPlay && appData.testClaims) {
8316 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
8318 ChessMove trueResult = (ChessMove) -1;
8320 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
8321 first.twoMachinesColor[0] :
8322 second.twoMachinesColor[0] ;
8324 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
8325 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
8326 /* [HGM] verify: engine mate claims accepted if they were flagged */
8327 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
8329 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
8330 /* [HGM] verify: engine mate claims accepted if they were flagged */
8331 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8333 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
8334 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
8337 // now verify win claims, but not in drop games, as we don't understand those yet
8338 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
8339 || gameInfo.variant == VariantGreat) &&
8340 (result == WhiteWins && claimer == 'w' ||
8341 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
8342 if (appData.debugMode) {
8343 fprintf(debugFP, "result=%d sp=%d move=%d\n",
8344 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
8346 if(result != trueResult) {
8347 sprintf(buf, "False win claim: '%s'", resultDetails);
8348 result = claimer == 'w' ? BlackWins : WhiteWins;
8349 resultDetails = buf;
8352 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
8353 && (forwardMostMove <= backwardMostMove ||
8354 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
8355 (claimer=='b')==(forwardMostMove&1))
8357 /* [HGM] verify: draws that were not flagged are false claims */
8358 sprintf(buf, "False draw claim: '%s'", resultDetails);
8359 result = claimer == 'w' ? BlackWins : WhiteWins;
8360 resultDetails = buf;
8362 /* (Claiming a loss is accepted no questions asked!) */
8364 /* [HGM] bare: don't allow bare King to win */
8365 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8366 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
8367 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
8368 && result != GameIsDrawn)
8369 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
8370 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
8371 int p = (signed char)boards[forwardMostMove][i][j] - color;
8372 if(p >= 0 && p <= (int)WhiteKing) k++;
8374 if (appData.debugMode) {
8375 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
8376 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
8379 result = GameIsDrawn;
8380 sprintf(buf, "%s but bare king", resultDetails);
8381 resultDetails = buf;
8387 if(serverMoves != NULL && !loadFlag) { char c = '=';
8388 if(result==WhiteWins) c = '+';
8389 if(result==BlackWins) c = '-';
8390 if(resultDetails != NULL)
8391 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
8393 if (resultDetails != NULL) {
8394 gameInfo.result = result;
8395 gameInfo.resultDetails = StrSave(resultDetails);
8397 /* display last move only if game was not loaded from file */
8398 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
8399 DisplayMove(currentMove - 1);
8401 if (forwardMostMove != 0) {
8402 if (gameMode != PlayFromGameFile && gameMode != EditGame
8403 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
8405 if (*appData.saveGameFile != NULLCHAR) {
8406 SaveGameToFile(appData.saveGameFile, TRUE);
8407 } else if (appData.autoSaveGames) {
8410 if (*appData.savePositionFile != NULLCHAR) {
8411 SavePositionToFile(appData.savePositionFile);
8416 /* Tell program how game ended in case it is learning */
8417 /* [HGM] Moved this to after saving the PGN, just in case */
8418 /* engine died and we got here through time loss. In that */
8419 /* case we will get a fatal error writing the pipe, which */
8420 /* would otherwise lose us the PGN. */
8421 /* [HGM] crash: not needed anymore, but doesn't hurt; */
8422 /* output during GameEnds should never be fatal anymore */
8423 if (gameMode == MachinePlaysWhite ||
8424 gameMode == MachinePlaysBlack ||
8425 gameMode == TwoMachinesPlay ||
8426 gameMode == IcsPlayingWhite ||
8427 gameMode == IcsPlayingBlack ||
8428 gameMode == BeginningOfGame) {
8430 sprintf(buf, "result %s {%s}\n", PGNResult(result),
8432 if (first.pr != NoProc) {
8433 SendToProgram(buf, &first);
8435 if (second.pr != NoProc &&
8436 gameMode == TwoMachinesPlay) {
8437 SendToProgram(buf, &second);
8442 if (appData.icsActive) {
8443 if (appData.quietPlay &&
8444 (gameMode == IcsPlayingWhite ||
8445 gameMode == IcsPlayingBlack)) {
8446 SendToICS(ics_prefix);
8447 SendToICS("set shout 1\n");
8449 nextGameMode = IcsIdle;
8450 ics_user_moved = FALSE;
8451 /* clean up premove. It's ugly when the game has ended and the
8452 * premove highlights are still on the board.
8456 ClearPremoveHighlights();
8457 DrawPosition(FALSE, boards[currentMove]);
8459 if (whosays == GE_ICS) {
8462 if (gameMode == IcsPlayingWhite)
8464 else if(gameMode == IcsPlayingBlack)
8468 if (gameMode == IcsPlayingBlack)
8470 else if(gameMode == IcsPlayingWhite)
8477 PlayIcsUnfinishedSound();
8480 } else if (gameMode == EditGame ||
8481 gameMode == PlayFromGameFile ||
8482 gameMode == AnalyzeMode ||
8483 gameMode == AnalyzeFile) {
8484 nextGameMode = gameMode;
8486 nextGameMode = EndOfGame;
8491 nextGameMode = gameMode;
8494 if (appData.noChessProgram) {
8495 gameMode = nextGameMode;
8497 endingGame = 0; /* [HGM] crash */
8502 /* Put first chess program into idle state */
8503 if (first.pr != NoProc &&
8504 (gameMode == MachinePlaysWhite ||
8505 gameMode == MachinePlaysBlack ||
8506 gameMode == TwoMachinesPlay ||
8507 gameMode == IcsPlayingWhite ||
8508 gameMode == IcsPlayingBlack ||
8509 gameMode == BeginningOfGame)) {
8510 SendToProgram("force\n", &first);
8511 if (first.usePing) {
8513 sprintf(buf, "ping %d\n", ++first.lastPing);
8514 SendToProgram(buf, &first);
8517 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
8518 /* Kill off first chess program */
8519 if (first.isr != NULL)
8520 RemoveInputSource(first.isr);
8523 if (first.pr != NoProc) {
8525 DoSleep( appData.delayBeforeQuit );
8526 SendToProgram("quit\n", &first);
8527 DoSleep( appData.delayAfterQuit );
8528 DestroyChildProcess(first.pr, first.useSigterm);
8533 /* Put second chess program into idle state */
8534 if (second.pr != NoProc &&
8535 gameMode == TwoMachinesPlay) {
8536 SendToProgram("force\n", &second);
8537 if (second.usePing) {
8539 sprintf(buf, "ping %d\n", ++second.lastPing);
8540 SendToProgram(buf, &second);
8543 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
8544 /* Kill off second chess program */
8545 if (second.isr != NULL)
8546 RemoveInputSource(second.isr);
8549 if (second.pr != NoProc) {
8550 DoSleep( appData.delayBeforeQuit );
8551 SendToProgram("quit\n", &second);
8552 DoSleep( appData.delayAfterQuit );
8553 DestroyChildProcess(second.pr, second.useSigterm);
8558 if (matchMode && gameMode == TwoMachinesPlay) {
8561 if (first.twoMachinesColor[0] == 'w') {
8568 if (first.twoMachinesColor[0] == 'b') {
8577 if (matchGame < appData.matchGames) {
8579 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
8580 tmp = first.twoMachinesColor;
8581 first.twoMachinesColor = second.twoMachinesColor;
8582 second.twoMachinesColor = tmp;
8584 gameMode = nextGameMode;
8586 if(appData.matchPause>10000 || appData.matchPause<10)
8587 appData.matchPause = 10000; /* [HGM] make pause adjustable */
8588 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
8589 endingGame = 0; /* [HGM] crash */
8593 gameMode = nextGameMode;
8594 sprintf(buf, _("Match %s vs. %s: final score %d-%d-%d"),
8595 first.tidy, second.tidy,
8596 first.matchWins, second.matchWins,
8597 appData.matchGames - (first.matchWins + second.matchWins));
8598 DisplayFatalError(buf, 0, 0);
8601 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
8602 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
8604 gameMode = nextGameMode;
8606 endingGame = 0; /* [HGM] crash */
8609 /* Assumes program was just initialized (initString sent).
8610 Leaves program in force mode. */
8612 FeedMovesToProgram(cps, upto)
8613 ChessProgramState *cps;
8618 if (appData.debugMode)
8619 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
8620 startedFromSetupPosition ? "position and " : "",
8621 backwardMostMove, upto, cps->which);
8622 if(currentlyInitializedVariant != gameInfo.variant) { char buf[MSG_SIZ];
8623 // [HGM] variantswitch: make engine aware of new variant
8624 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
8625 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
8626 sprintf(buf, "variant %s\n", VariantName(gameInfo.variant));
8627 SendToProgram(buf, cps);
8628 currentlyInitializedVariant = gameInfo.variant;
8630 SendToProgram("force\n", cps);
8631 if (startedFromSetupPosition) {
8632 SendBoard(cps, backwardMostMove);
8633 if (appData.debugMode) {
8634 fprintf(debugFP, "feedMoves\n");
8637 for (i = backwardMostMove; i < upto; i++) {
8638 SendMoveToProgram(i, cps);
8644 ResurrectChessProgram()
8646 /* The chess program may have exited.
8647 If so, restart it and feed it all the moves made so far. */
8649 if (appData.noChessProgram || first.pr != NoProc) return;
8651 StartChessProgram(&first);
8652 InitChessProgram(&first, FALSE);
8653 FeedMovesToProgram(&first, currentMove);
8655 if (!first.sendTime) {
8656 /* can't tell gnuchess what its clock should read,
8657 so we bow to its notion. */
8659 timeRemaining[0][currentMove] = whiteTimeRemaining;
8660 timeRemaining[1][currentMove] = blackTimeRemaining;
8663 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
8664 appData.icsEngineAnalyze) && first.analysisSupport) {
8665 SendToProgram("analyze\n", &first);
8666 first.analyzing = TRUE;
8679 if (appData.debugMode) {
8680 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
8681 redraw, init, gameMode);
8683 CleanupTail(); // [HGM] vari: delete any stored variations
8684 pausing = pauseExamInvalid = FALSE;
8685 startedFromSetupPosition = blackPlaysFirst = FALSE;
8687 whiteFlag = blackFlag = FALSE;
8688 userOfferedDraw = FALSE;
8689 hintRequested = bookRequested = FALSE;
8690 first.maybeThinking = FALSE;
8691 second.maybeThinking = FALSE;
8692 first.bookSuspend = FALSE; // [HGM] book
8693 second.bookSuspend = FALSE;
8694 thinkOutput[0] = NULLCHAR;
8695 lastHint[0] = NULLCHAR;
8696 ClearGameInfo(&gameInfo);
8697 gameInfo.variant = StringToVariant(appData.variant);
8698 ics_user_moved = ics_clock_paused = FALSE;
8699 ics_getting_history = H_FALSE;
8701 white_holding[0] = black_holding[0] = NULLCHAR;
8702 ClearProgramStats();
8703 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
8707 flipView = appData.flipView;
8708 ClearPremoveHighlights();
8710 alarmSounded = FALSE;
8712 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
8713 if(appData.serverMovesName != NULL) {
8714 /* [HGM] prepare to make moves file for broadcasting */
8715 clock_t t = clock();
8716 if(serverMoves != NULL) fclose(serverMoves);
8717 serverMoves = fopen(appData.serverMovesName, "r");
8718 if(serverMoves != NULL) {
8719 fclose(serverMoves);
8720 /* delay 15 sec before overwriting, so all clients can see end */
8721 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
8723 serverMoves = fopen(appData.serverMovesName, "w");
8727 gameMode = BeginningOfGame;
8729 if(appData.icsActive) gameInfo.variant = VariantNormal;
8730 currentMove = forwardMostMove = backwardMostMove = 0;
8731 InitPosition(redraw);
8732 for (i = 0; i < MAX_MOVES; i++) {
8733 if (commentList[i] != NULL) {
8734 free(commentList[i]);
8735 commentList[i] = NULL;
8739 timeRemaining[0][0] = whiteTimeRemaining;
8740 timeRemaining[1][0] = blackTimeRemaining;
8741 if (first.pr == NULL) {
8742 StartChessProgram(&first);
8745 InitChessProgram(&first, startedFromSetupPosition);
8748 DisplayMessage("", "");
8749 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
8750 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
8757 if (!AutoPlayOneMove())
8759 if (matchMode || appData.timeDelay == 0)
8761 if (appData.timeDelay < 0 || gameMode == AnalyzeFile)
8763 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
8772 int fromX, fromY, toX, toY;
8774 if (appData.debugMode) {
8775 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
8778 if (gameMode != PlayFromGameFile)
8781 if (currentMove >= forwardMostMove) {
8782 gameMode = EditGame;
8785 /* [AS] Clear current move marker at the end of a game */
8786 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
8791 toX = moveList[currentMove][2] - AAA;
8792 toY = moveList[currentMove][3] - ONE;
8794 if (moveList[currentMove][1] == '@') {
8795 if (appData.highlightLastMove) {
8796 SetHighlights(-1, -1, toX, toY);
8799 fromX = moveList[currentMove][0] - AAA;
8800 fromY = moveList[currentMove][1] - ONE;
8802 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
8804 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
8806 if (appData.highlightLastMove) {
8807 SetHighlights(fromX, fromY, toX, toY);
8810 DisplayMove(currentMove);
8811 SendMoveToProgram(currentMove++, &first);
8812 DisplayBothClocks();
8813 DrawPosition(FALSE, boards[currentMove]);
8814 // [HGM] PV info: always display, routine tests if empty
8815 DisplayComment(currentMove - 1, commentList[currentMove]);
8821 LoadGameOneMove(readAhead)
8822 ChessMove readAhead;
8824 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
8825 char promoChar = NULLCHAR;
8830 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
8831 gameMode != AnalyzeMode && gameMode != Training) {
8836 yyboardindex = forwardMostMove;
8837 if (readAhead != (ChessMove)0) {
8838 moveType = readAhead;
8840 if (gameFileFP == NULL)
8842 moveType = (ChessMove) yylex();
8848 if (appData.debugMode)
8849 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
8852 /* append the comment but don't display it */
8853 AppendComment(currentMove, p, FALSE);
8856 case WhiteCapturesEnPassant:
8857 case BlackCapturesEnPassant:
8858 case WhitePromotionChancellor:
8859 case BlackPromotionChancellor:
8860 case WhitePromotionArchbishop:
8861 case BlackPromotionArchbishop:
8862 case WhitePromotionCentaur:
8863 case BlackPromotionCentaur:
8864 case WhitePromotionQueen:
8865 case BlackPromotionQueen:
8866 case WhitePromotionRook:
8867 case BlackPromotionRook:
8868 case WhitePromotionBishop:
8869 case BlackPromotionBishop:
8870 case WhitePromotionKnight:
8871 case BlackPromotionKnight:
8872 case WhitePromotionKing:
8873 case BlackPromotionKing:
8875 case WhiteKingSideCastle:
8876 case WhiteQueenSideCastle:
8877 case BlackKingSideCastle:
8878 case BlackQueenSideCastle:
8879 case WhiteKingSideCastleWild:
8880 case WhiteQueenSideCastleWild:
8881 case BlackKingSideCastleWild:
8882 case BlackQueenSideCastleWild:
8884 case WhiteHSideCastleFR:
8885 case WhiteASideCastleFR:
8886 case BlackHSideCastleFR:
8887 case BlackASideCastleFR:
8889 if (appData.debugMode)
8890 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
8891 fromX = currentMoveString[0] - AAA;
8892 fromY = currentMoveString[1] - ONE;
8893 toX = currentMoveString[2] - AAA;
8894 toY = currentMoveString[3] - ONE;
8895 promoChar = currentMoveString[4];
8900 if (appData.debugMode)
8901 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
8902 fromX = moveType == WhiteDrop ?
8903 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8904 (int) CharToPiece(ToLower(currentMoveString[0]));
8906 toX = currentMoveString[2] - AAA;
8907 toY = currentMoveString[3] - ONE;
8913 case GameUnfinished:
8914 if (appData.debugMode)
8915 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
8916 p = strchr(yy_text, '{');
8917 if (p == NULL) p = strchr(yy_text, '(');
8920 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8922 q = strchr(p, *p == '{' ? '}' : ')');
8923 if (q != NULL) *q = NULLCHAR;
8926 GameEnds(moveType, p, GE_FILE);
8928 if (cmailMsgLoaded) {
8930 flipView = WhiteOnMove(currentMove);
8931 if (moveType == GameUnfinished) flipView = !flipView;
8932 if (appData.debugMode)
8933 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
8937 case (ChessMove) 0: /* end of file */
8938 if (appData.debugMode)
8939 fprintf(debugFP, "Parser hit end of file\n");
8940 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
8946 if (WhiteOnMove(currentMove)) {
8947 GameEnds(BlackWins, "Black mates", GE_FILE);
8949 GameEnds(WhiteWins, "White mates", GE_FILE);
8953 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
8960 if (lastLoadGameStart == GNUChessGame) {
8961 /* GNUChessGames have numbers, but they aren't move numbers */
8962 if (appData.debugMode)
8963 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
8964 yy_text, (int) moveType);
8965 return LoadGameOneMove((ChessMove)0); /* tail recursion */
8967 /* else fall thru */
8972 /* Reached start of next game in file */
8973 if (appData.debugMode)
8974 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
8975 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
8981 if (WhiteOnMove(currentMove)) {
8982 GameEnds(BlackWins, "Black mates", GE_FILE);
8984 GameEnds(WhiteWins, "White mates", GE_FILE);
8988 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
8994 case PositionDiagram: /* should not happen; ignore */
8995 case ElapsedTime: /* ignore */
8996 case NAG: /* ignore */
8997 if (appData.debugMode)
8998 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
8999 yy_text, (int) moveType);
9000 return LoadGameOneMove((ChessMove)0); /* tail recursion */
9003 if (appData.testLegality) {
9004 if (appData.debugMode)
9005 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
9006 sprintf(move, _("Illegal move: %d.%s%s"),
9007 (forwardMostMove / 2) + 1,
9008 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9009 DisplayError(move, 0);
9012 if (appData.debugMode)
9013 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
9014 yy_text, currentMoveString);
9015 fromX = currentMoveString[0] - AAA;
9016 fromY = currentMoveString[1] - ONE;
9017 toX = currentMoveString[2] - AAA;
9018 toY = currentMoveString[3] - ONE;
9019 promoChar = currentMoveString[4];
9024 if (appData.debugMode)
9025 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
9026 sprintf(move, _("Ambiguous move: %d.%s%s"),
9027 (forwardMostMove / 2) + 1,
9028 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9029 DisplayError(move, 0);
9034 case ImpossibleMove:
9035 if (appData.debugMode)
9036 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
9037 sprintf(move, _("Illegal move: %d.%s%s"),
9038 (forwardMostMove / 2) + 1,
9039 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9040 DisplayError(move, 0);
9046 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
9047 DrawPosition(FALSE, boards[currentMove]);
9048 DisplayBothClocks();
9049 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
9050 DisplayComment(currentMove - 1, commentList[currentMove]);
9052 (void) StopLoadGameTimer();
9054 cmailOldMove = forwardMostMove;
9057 /* currentMoveString is set as a side-effect of yylex */
9058 strcat(currentMoveString, "\n");
9059 strcpy(moveList[forwardMostMove], currentMoveString);
9061 thinkOutput[0] = NULLCHAR;
9062 MakeMove(fromX, fromY, toX, toY, promoChar);
9063 currentMove = forwardMostMove;
9068 /* Load the nth game from the given file */
9070 LoadGameFromFile(filename, n, title, useList)
9074 /*Boolean*/ int useList;
9079 if (strcmp(filename, "-") == 0) {
9083 f = fopen(filename, "rb");
9085 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9086 DisplayError(buf, errno);
9090 if (fseek(f, 0, 0) == -1) {
9091 /* f is not seekable; probably a pipe */
9094 if (useList && n == 0) {
9095 int error = GameListBuild(f);
9097 DisplayError(_("Cannot build game list"), error);
9098 } else if (!ListEmpty(&gameList) &&
9099 ((ListGame *) gameList.tailPred)->number > 1) {
9100 GameListPopUp(f, title);
9107 return LoadGame(f, n, title, FALSE);
9112 MakeRegisteredMove()
9114 int fromX, fromY, toX, toY;
9116 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9117 switch (cmailMoveType[lastLoadGameNumber - 1]) {
9120 if (appData.debugMode)
9121 fprintf(debugFP, "Restoring %s for game %d\n",
9122 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
9124 thinkOutput[0] = NULLCHAR;
9125 strcpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1]);
9126 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
9127 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
9128 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
9129 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
9130 promoChar = cmailMove[lastLoadGameNumber - 1][4];
9131 MakeMove(fromX, fromY, toX, toY, promoChar);
9132 ShowMove(fromX, fromY, toX, toY);
9134 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9141 if (WhiteOnMove(currentMove)) {
9142 GameEnds(BlackWins, "Black mates", GE_PLAYER);
9144 GameEnds(WhiteWins, "White mates", GE_PLAYER);
9149 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
9156 if (WhiteOnMove(currentMove)) {
9157 GameEnds(BlackWins, "White resigns", GE_PLAYER);
9159 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
9164 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
9175 /* Wrapper around LoadGame for use when a Cmail message is loaded */
9177 CmailLoadGame(f, gameNumber, title, useList)
9185 if (gameNumber > nCmailGames) {
9186 DisplayError(_("No more games in this message"), 0);
9189 if (f == lastLoadGameFP) {
9190 int offset = gameNumber - lastLoadGameNumber;
9192 cmailMsg[0] = NULLCHAR;
9193 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9194 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
9195 nCmailMovesRegistered--;
9197 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
9198 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
9199 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
9202 if (! RegisterMove()) return FALSE;
9206 retVal = LoadGame(f, gameNumber, title, useList);
9208 /* Make move registered during previous look at this game, if any */
9209 MakeRegisteredMove();
9211 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
9212 commentList[currentMove]
9213 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
9214 DisplayComment(currentMove - 1, commentList[currentMove]);
9220 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
9225 int gameNumber = lastLoadGameNumber + offset;
9226 if (lastLoadGameFP == NULL) {
9227 DisplayError(_("No game has been loaded yet"), 0);
9230 if (gameNumber <= 0) {
9231 DisplayError(_("Can't back up any further"), 0);
9234 if (cmailMsgLoaded) {
9235 return CmailLoadGame(lastLoadGameFP, gameNumber,
9236 lastLoadGameTitle, lastLoadGameUseList);
9238 return LoadGame(lastLoadGameFP, gameNumber,
9239 lastLoadGameTitle, lastLoadGameUseList);
9245 /* Load the nth game from open file f */
9247 LoadGame(f, gameNumber, title, useList)
9255 int gn = gameNumber;
9256 ListGame *lg = NULL;
9259 GameMode oldGameMode;
9260 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
9262 if (appData.debugMode)
9263 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
9265 if (gameMode == Training )
9266 SetTrainingModeOff();
9268 oldGameMode = gameMode;
9269 if (gameMode != BeginningOfGame) {
9274 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
9275 fclose(lastLoadGameFP);
9279 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
9282 fseek(f, lg->offset, 0);
9283 GameListHighlight(gameNumber);
9287 DisplayError(_("Game number out of range"), 0);
9292 if (fseek(f, 0, 0) == -1) {
9293 if (f == lastLoadGameFP ?
9294 gameNumber == lastLoadGameNumber + 1 :
9298 DisplayError(_("Can't seek on game file"), 0);
9304 lastLoadGameNumber = gameNumber;
9305 strcpy(lastLoadGameTitle, title);
9306 lastLoadGameUseList = useList;
9310 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
9311 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
9312 lg->gameInfo.black);
9314 } else if (*title != NULLCHAR) {
9315 if (gameNumber > 1) {
9316 sprintf(buf, "%s %d", title, gameNumber);
9319 DisplayTitle(title);
9323 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
9324 gameMode = PlayFromGameFile;
9328 currentMove = forwardMostMove = backwardMostMove = 0;
9329 CopyBoard(boards[0], initialPosition);
9333 * Skip the first gn-1 games in the file.
9334 * Also skip over anything that precedes an identifiable
9335 * start of game marker, to avoid being confused by
9336 * garbage at the start of the file. Currently
9337 * recognized start of game markers are the move number "1",
9338 * the pattern "gnuchess .* game", the pattern
9339 * "^[#;%] [^ ]* game file", and a PGN tag block.
9340 * A game that starts with one of the latter two patterns
9341 * will also have a move number 1, possibly
9342 * following a position diagram.
9343 * 5-4-02: Let's try being more lenient and allowing a game to
9344 * start with an unnumbered move. Does that break anything?
9346 cm = lastLoadGameStart = (ChessMove) 0;
9348 yyboardindex = forwardMostMove;
9349 cm = (ChessMove) yylex();
9352 if (cmailMsgLoaded) {
9353 nCmailGames = CMAIL_MAX_GAMES - gn;
9356 DisplayError(_("Game not found in file"), 0);
9363 lastLoadGameStart = cm;
9367 switch (lastLoadGameStart) {
9374 gn--; /* count this game */
9375 lastLoadGameStart = cm;
9384 switch (lastLoadGameStart) {
9389 gn--; /* count this game */
9390 lastLoadGameStart = cm;
9393 lastLoadGameStart = cm; /* game counted already */
9401 yyboardindex = forwardMostMove;
9402 cm = (ChessMove) yylex();
9403 } while (cm == PGNTag || cm == Comment);
9410 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
9411 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
9412 != CMAIL_OLD_RESULT) {
9414 cmailResult[ CMAIL_MAX_GAMES
9415 - gn - 1] = CMAIL_OLD_RESULT;
9421 /* Only a NormalMove can be at the start of a game
9422 * without a position diagram. */
9423 if (lastLoadGameStart == (ChessMove) 0) {
9425 lastLoadGameStart = MoveNumberOne;
9434 if (appData.debugMode)
9435 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
9437 if (cm == XBoardGame) {
9438 /* Skip any header junk before position diagram and/or move 1 */
9440 yyboardindex = forwardMostMove;
9441 cm = (ChessMove) yylex();
9443 if (cm == (ChessMove) 0 ||
9444 cm == GNUChessGame || cm == XBoardGame) {
9445 /* Empty game; pretend end-of-file and handle later */
9450 if (cm == MoveNumberOne || cm == PositionDiagram ||
9451 cm == PGNTag || cm == Comment)
9454 } else if (cm == GNUChessGame) {
9455 if (gameInfo.event != NULL) {
9456 free(gameInfo.event);
9458 gameInfo.event = StrSave(yy_text);
9461 startedFromSetupPosition = FALSE;
9462 while (cm == PGNTag) {
9463 if (appData.debugMode)
9464 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
9465 err = ParsePGNTag(yy_text, &gameInfo);
9466 if (!err) numPGNTags++;
9468 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
9469 if(gameInfo.variant != oldVariant) {
9470 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
9472 oldVariant = gameInfo.variant;
9473 if (appData.debugMode)
9474 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
9478 if (gameInfo.fen != NULL) {
9479 Board initial_position;
9480 startedFromSetupPosition = TRUE;
9481 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
9483 DisplayError(_("Bad FEN position in file"), 0);
9486 CopyBoard(boards[0], initial_position);
9487 if (blackPlaysFirst) {
9488 currentMove = forwardMostMove = backwardMostMove = 1;
9489 CopyBoard(boards[1], initial_position);
9490 strcpy(moveList[0], "");
9491 strcpy(parseList[0], "");
9492 timeRemaining[0][1] = whiteTimeRemaining;
9493 timeRemaining[1][1] = blackTimeRemaining;
9494 if (commentList[0] != NULL) {
9495 commentList[1] = commentList[0];
9496 commentList[0] = NULL;
9499 currentMove = forwardMostMove = backwardMostMove = 0;
9501 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
9503 initialRulePlies = FENrulePlies;
9504 for( i=0; i< nrCastlingRights; i++ )
9505 initialRights[i] = initial_position[CASTLING][i];
9507 yyboardindex = forwardMostMove;
9509 gameInfo.fen = NULL;
9512 yyboardindex = forwardMostMove;
9513 cm = (ChessMove) yylex();
9515 /* Handle comments interspersed among the tags */
9516 while (cm == Comment) {
9518 if (appData.debugMode)
9519 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9521 AppendComment(currentMove, p, FALSE);
9522 yyboardindex = forwardMostMove;
9523 cm = (ChessMove) yylex();
9527 /* don't rely on existence of Event tag since if game was
9528 * pasted from clipboard the Event tag may not exist
9530 if (numPGNTags > 0){
9532 if (gameInfo.variant == VariantNormal) {
9533 gameInfo.variant = StringToVariant(gameInfo.event);
9536 if( appData.autoDisplayTags ) {
9537 tags = PGNTags(&gameInfo);
9538 TagsPopUp(tags, CmailMsg());
9543 /* Make something up, but don't display it now */
9548 if (cm == PositionDiagram) {
9551 Board initial_position;
9553 if (appData.debugMode)
9554 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
9556 if (!startedFromSetupPosition) {
9558 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
9559 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
9569 initial_position[i][j++] = CharToPiece(*p);
9572 while (*p == ' ' || *p == '\t' ||
9573 *p == '\n' || *p == '\r') p++;
9575 if (strncmp(p, "black", strlen("black"))==0)
9576 blackPlaysFirst = TRUE;
9578 blackPlaysFirst = FALSE;
9579 startedFromSetupPosition = TRUE;
9581 CopyBoard(boards[0], initial_position);
9582 if (blackPlaysFirst) {
9583 currentMove = forwardMostMove = backwardMostMove = 1;
9584 CopyBoard(boards[1], initial_position);
9585 strcpy(moveList[0], "");
9586 strcpy(parseList[0], "");
9587 timeRemaining[0][1] = whiteTimeRemaining;
9588 timeRemaining[1][1] = blackTimeRemaining;
9589 if (commentList[0] != NULL) {
9590 commentList[1] = commentList[0];
9591 commentList[0] = NULL;
9594 currentMove = forwardMostMove = backwardMostMove = 0;
9597 yyboardindex = forwardMostMove;
9598 cm = (ChessMove) yylex();
9601 if (first.pr == NoProc) {
9602 StartChessProgram(&first);
9604 InitChessProgram(&first, FALSE);
9605 SendToProgram("force\n", &first);
9606 if (startedFromSetupPosition) {
9607 SendBoard(&first, forwardMostMove);
9608 if (appData.debugMode) {
9609 fprintf(debugFP, "Load Game\n");
9611 DisplayBothClocks();
9614 /* [HGM] server: flag to write setup moves in broadcast file as one */
9615 loadFlag = appData.suppressLoadMoves;
9617 while (cm == Comment) {
9619 if (appData.debugMode)
9620 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9622 AppendComment(currentMove, p, FALSE);
9623 yyboardindex = forwardMostMove;
9624 cm = (ChessMove) yylex();
9627 if ((cm == (ChessMove) 0 && lastLoadGameStart != (ChessMove) 0) ||
9628 cm == WhiteWins || cm == BlackWins ||
9629 cm == GameIsDrawn || cm == GameUnfinished) {
9630 DisplayMessage("", _("No moves in game"));
9631 if (cmailMsgLoaded) {
9632 if (appData.debugMode)
9633 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
9637 DrawPosition(FALSE, boards[currentMove]);
9638 DisplayBothClocks();
9639 gameMode = EditGame;
9646 // [HGM] PV info: routine tests if comment empty
9647 if (!matchMode && (pausing || appData.timeDelay != 0)) {
9648 DisplayComment(currentMove - 1, commentList[currentMove]);
9650 if (!matchMode && appData.timeDelay != 0)
9651 DrawPosition(FALSE, boards[currentMove]);
9653 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
9654 programStats.ok_to_send = 1;
9657 /* if the first token after the PGN tags is a move
9658 * and not move number 1, retrieve it from the parser
9660 if (cm != MoveNumberOne)
9661 LoadGameOneMove(cm);
9663 /* load the remaining moves from the file */
9664 while (LoadGameOneMove((ChessMove)0)) {
9665 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9666 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9669 /* rewind to the start of the game */
9670 currentMove = backwardMostMove;
9672 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9674 if (oldGameMode == AnalyzeFile ||
9675 oldGameMode == AnalyzeMode) {
9679 if (matchMode || appData.timeDelay == 0) {
9681 gameMode = EditGame;
9683 } else if (appData.timeDelay > 0) {
9687 if (appData.debugMode)
9688 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
9690 loadFlag = 0; /* [HGM] true game starts */
9694 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
9696 ReloadPosition(offset)
9699 int positionNumber = lastLoadPositionNumber + offset;
9700 if (lastLoadPositionFP == NULL) {
9701 DisplayError(_("No position has been loaded yet"), 0);
9704 if (positionNumber <= 0) {
9705 DisplayError(_("Can't back up any further"), 0);
9708 return LoadPosition(lastLoadPositionFP, positionNumber,
9709 lastLoadPositionTitle);
9712 /* Load the nth position from the given file */
9714 LoadPositionFromFile(filename, n, title)
9722 if (strcmp(filename, "-") == 0) {
9723 return LoadPosition(stdin, n, "stdin");
9725 f = fopen(filename, "rb");
9727 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9728 DisplayError(buf, errno);
9731 return LoadPosition(f, n, title);
9736 /* Load the nth position from the given open file, and close it */
9738 LoadPosition(f, positionNumber, title)
9743 char *p, line[MSG_SIZ];
9744 Board initial_position;
9745 int i, j, fenMode, pn;
9747 if (gameMode == Training )
9748 SetTrainingModeOff();
9750 if (gameMode != BeginningOfGame) {
9753 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
9754 fclose(lastLoadPositionFP);
9756 if (positionNumber == 0) positionNumber = 1;
9757 lastLoadPositionFP = f;
9758 lastLoadPositionNumber = positionNumber;
9759 strcpy(lastLoadPositionTitle, title);
9760 if (first.pr == NoProc) {
9761 StartChessProgram(&first);
9762 InitChessProgram(&first, FALSE);
9764 pn = positionNumber;
9765 if (positionNumber < 0) {
9766 /* Negative position number means to seek to that byte offset */
9767 if (fseek(f, -positionNumber, 0) == -1) {
9768 DisplayError(_("Can't seek on position file"), 0);
9773 if (fseek(f, 0, 0) == -1) {
9774 if (f == lastLoadPositionFP ?
9775 positionNumber == lastLoadPositionNumber + 1 :
9776 positionNumber == 1) {
9779 DisplayError(_("Can't seek on position file"), 0);
9784 /* See if this file is FEN or old-style xboard */
9785 if (fgets(line, MSG_SIZ, f) == NULL) {
9786 DisplayError(_("Position not found in file"), 0);
9789 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
9790 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
9793 if (fenMode || line[0] == '#') pn--;
9795 /* skip positions before number pn */
9796 if (fgets(line, MSG_SIZ, f) == NULL) {
9798 DisplayError(_("Position not found in file"), 0);
9801 if (fenMode || line[0] == '#') pn--;
9806 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
9807 DisplayError(_("Bad FEN position in file"), 0);
9811 (void) fgets(line, MSG_SIZ, f);
9812 (void) fgets(line, MSG_SIZ, f);
9814 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
9815 (void) fgets(line, MSG_SIZ, f);
9816 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
9819 initial_position[i][j++] = CharToPiece(*p);
9823 blackPlaysFirst = FALSE;
9825 (void) fgets(line, MSG_SIZ, f);
9826 if (strncmp(line, "black", strlen("black"))==0)
9827 blackPlaysFirst = TRUE;
9830 startedFromSetupPosition = TRUE;
9832 SendToProgram("force\n", &first);
9833 CopyBoard(boards[0], initial_position);
9834 if (blackPlaysFirst) {
9835 currentMove = forwardMostMove = backwardMostMove = 1;
9836 strcpy(moveList[0], "");
9837 strcpy(parseList[0], "");
9838 CopyBoard(boards[1], initial_position);
9839 DisplayMessage("", _("Black to play"));
9841 currentMove = forwardMostMove = backwardMostMove = 0;
9842 DisplayMessage("", _("White to play"));
9844 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
9845 SendBoard(&first, forwardMostMove);
9846 if (appData.debugMode) {
9848 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
9849 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
9850 fprintf(debugFP, "Load Position\n");
9853 if (positionNumber > 1) {
9854 sprintf(line, "%s %d", title, positionNumber);
9857 DisplayTitle(title);
9859 gameMode = EditGame;
9862 timeRemaining[0][1] = whiteTimeRemaining;
9863 timeRemaining[1][1] = blackTimeRemaining;
9864 DrawPosition(FALSE, boards[currentMove]);
9871 CopyPlayerNameIntoFileName(dest, src)
9874 while (*src != NULLCHAR && *src != ',') {
9879 *(*dest)++ = *src++;
9884 char *DefaultFileName(ext)
9887 static char def[MSG_SIZ];
9890 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
9892 CopyPlayerNameIntoFileName(&p, gameInfo.white);
9894 CopyPlayerNameIntoFileName(&p, gameInfo.black);
9903 /* Save the current game to the given file */
9905 SaveGameToFile(filename, append)
9912 if (strcmp(filename, "-") == 0) {
9913 return SaveGame(stdout, 0, NULL);
9915 f = fopen(filename, append ? "a" : "w");
9917 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9918 DisplayError(buf, errno);
9921 return SaveGame(f, 0, NULL);
9930 static char buf[MSG_SIZ];
9933 p = strchr(str, ' ');
9934 if (p == NULL) return str;
9935 strncpy(buf, str, p - str);
9936 buf[p - str] = NULLCHAR;
9940 #define PGN_MAX_LINE 75
9942 #define PGN_SIDE_WHITE 0
9943 #define PGN_SIDE_BLACK 1
9946 static int FindFirstMoveOutOfBook( int side )
9950 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
9951 int index = backwardMostMove;
9952 int has_book_hit = 0;
9954 if( (index % 2) != side ) {
9958 while( index < forwardMostMove ) {
9959 /* Check to see if engine is in book */
9960 int depth = pvInfoList[index].depth;
9961 int score = pvInfoList[index].score;
9967 else if( score == 0 && depth == 63 ) {
9968 in_book = 1; /* Zappa */
9970 else if( score == 2 && depth == 99 ) {
9971 in_book = 1; /* Abrok */
9974 has_book_hit += in_book;
9990 void GetOutOfBookInfo( char * buf )
9994 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
9996 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
9997 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
10001 if( oob[0] >= 0 || oob[1] >= 0 ) {
10002 for( i=0; i<2; i++ ) {
10006 if( i > 0 && oob[0] >= 0 ) {
10007 strcat( buf, " " );
10010 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
10011 sprintf( buf+strlen(buf), "%s%.2f",
10012 pvInfoList[idx].score >= 0 ? "+" : "",
10013 pvInfoList[idx].score / 100.0 );
10019 /* Save game in PGN style and close the file */
10024 int i, offset, linelen, newblock;
10028 int movelen, numlen, blank;
10029 char move_buffer[100]; /* [AS] Buffer for move+PV info */
10031 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10033 tm = time((time_t *) NULL);
10035 PrintPGNTags(f, &gameInfo);
10037 if (backwardMostMove > 0 || startedFromSetupPosition) {
10038 char *fen = PositionToFEN(backwardMostMove, NULL);
10039 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
10040 fprintf(f, "\n{--------------\n");
10041 PrintPosition(f, backwardMostMove);
10042 fprintf(f, "--------------}\n");
10046 /* [AS] Out of book annotation */
10047 if( appData.saveOutOfBookInfo ) {
10050 GetOutOfBookInfo( buf );
10052 if( buf[0] != '\0' ) {
10053 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
10060 i = backwardMostMove;
10064 while (i < forwardMostMove) {
10065 /* Print comments preceding this move */
10066 if (commentList[i] != NULL) {
10067 if (linelen > 0) fprintf(f, "\n");
10068 fprintf(f, "%s", commentList[i]);
10073 /* Format move number */
10074 if ((i % 2) == 0) {
10075 sprintf(numtext, "%d.", (i - offset)/2 + 1);
10078 sprintf(numtext, "%d...", (i - offset)/2 + 1);
10080 numtext[0] = NULLCHAR;
10083 numlen = strlen(numtext);
10086 /* Print move number */
10087 blank = linelen > 0 && numlen > 0;
10088 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
10097 fprintf(f, "%s", numtext);
10101 strcpy(move_buffer, SavePart(parseList[i])); // [HGM] pgn: print move via buffer, so it can be edited
10102 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
10105 blank = linelen > 0 && movelen > 0;
10106 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10115 fprintf(f, "%s", move_buffer);
10116 linelen += movelen;
10118 /* [AS] Add PV info if present */
10119 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
10120 /* [HGM] add time */
10121 char buf[MSG_SIZ]; int seconds;
10123 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
10125 if( seconds <= 0) buf[0] = 0; else
10126 if( seconds < 30 ) sprintf(buf, " %3.1f%c", seconds/10., 0); else {
10127 seconds = (seconds + 4)/10; // round to full seconds
10128 if( seconds < 60 ) sprintf(buf, " %d%c", seconds, 0); else
10129 sprintf(buf, " %d:%02d%c", seconds/60, seconds%60, 0);
10132 sprintf( move_buffer, "{%s%.2f/%d%s}",
10133 pvInfoList[i].score >= 0 ? "+" : "",
10134 pvInfoList[i].score / 100.0,
10135 pvInfoList[i].depth,
10138 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
10140 /* Print score/depth */
10141 blank = linelen > 0 && movelen > 0;
10142 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10151 fprintf(f, "%s", move_buffer);
10152 linelen += movelen;
10158 /* Start a new line */
10159 if (linelen > 0) fprintf(f, "\n");
10161 /* Print comments after last move */
10162 if (commentList[i] != NULL) {
10163 fprintf(f, "%s\n", commentList[i]);
10167 if (gameInfo.resultDetails != NULL &&
10168 gameInfo.resultDetails[0] != NULLCHAR) {
10169 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
10170 PGNResult(gameInfo.result));
10172 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10176 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10180 /* Save game in old style and close the file */
10182 SaveGameOldStyle(f)
10188 tm = time((time_t *) NULL);
10190 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
10193 if (backwardMostMove > 0 || startedFromSetupPosition) {
10194 fprintf(f, "\n[--------------\n");
10195 PrintPosition(f, backwardMostMove);
10196 fprintf(f, "--------------]\n");
10201 i = backwardMostMove;
10202 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10204 while (i < forwardMostMove) {
10205 if (commentList[i] != NULL) {
10206 fprintf(f, "[%s]\n", commentList[i]);
10209 if ((i % 2) == 1) {
10210 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
10213 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
10215 if (commentList[i] != NULL) {
10219 if (i >= forwardMostMove) {
10223 fprintf(f, "%s\n", parseList[i]);
10228 if (commentList[i] != NULL) {
10229 fprintf(f, "[%s]\n", commentList[i]);
10232 /* This isn't really the old style, but it's close enough */
10233 if (gameInfo.resultDetails != NULL &&
10234 gameInfo.resultDetails[0] != NULLCHAR) {
10235 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
10236 gameInfo.resultDetails);
10238 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10245 /* Save the current game to open file f and close the file */
10247 SaveGame(f, dummy, dummy2)
10252 if (gameMode == EditPosition) EditPositionDone(TRUE);
10253 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10254 if (appData.oldSaveStyle)
10255 return SaveGameOldStyle(f);
10257 return SaveGamePGN(f);
10260 /* Save the current position to the given file */
10262 SavePositionToFile(filename)
10268 if (strcmp(filename, "-") == 0) {
10269 return SavePosition(stdout, 0, NULL);
10271 f = fopen(filename, "a");
10273 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10274 DisplayError(buf, errno);
10277 SavePosition(f, 0, NULL);
10283 /* Save the current position to the given open file and close the file */
10285 SavePosition(f, dummy, dummy2)
10293 if (gameMode == EditPosition) EditPositionDone(TRUE);
10294 if (appData.oldSaveStyle) {
10295 tm = time((time_t *) NULL);
10297 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
10299 fprintf(f, "[--------------\n");
10300 PrintPosition(f, currentMove);
10301 fprintf(f, "--------------]\n");
10303 fen = PositionToFEN(currentMove, NULL);
10304 fprintf(f, "%s\n", fen);
10312 ReloadCmailMsgEvent(unregister)
10316 static char *inFilename = NULL;
10317 static char *outFilename;
10319 struct stat inbuf, outbuf;
10322 /* Any registered moves are unregistered if unregister is set, */
10323 /* i.e. invoked by the signal handler */
10325 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
10326 cmailMoveRegistered[i] = FALSE;
10327 if (cmailCommentList[i] != NULL) {
10328 free(cmailCommentList[i]);
10329 cmailCommentList[i] = NULL;
10332 nCmailMovesRegistered = 0;
10335 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
10336 cmailResult[i] = CMAIL_NOT_RESULT;
10340 if (inFilename == NULL) {
10341 /* Because the filenames are static they only get malloced once */
10342 /* and they never get freed */
10343 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
10344 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
10346 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
10347 sprintf(outFilename, "%s.out", appData.cmailGameName);
10350 status = stat(outFilename, &outbuf);
10352 cmailMailedMove = FALSE;
10354 status = stat(inFilename, &inbuf);
10355 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
10358 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
10359 counts the games, notes how each one terminated, etc.
10361 It would be nice to remove this kludge and instead gather all
10362 the information while building the game list. (And to keep it
10363 in the game list nodes instead of having a bunch of fixed-size
10364 parallel arrays.) Note this will require getting each game's
10365 termination from the PGN tags, as the game list builder does
10366 not process the game moves. --mann
10368 cmailMsgLoaded = TRUE;
10369 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
10371 /* Load first game in the file or popup game menu */
10372 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
10374 #endif /* !WIN32 */
10382 char string[MSG_SIZ];
10384 if ( cmailMailedMove
10385 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
10386 return TRUE; /* Allow free viewing */
10389 /* Unregister move to ensure that we don't leave RegisterMove */
10390 /* with the move registered when the conditions for registering no */
10392 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10393 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
10394 nCmailMovesRegistered --;
10396 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
10398 free(cmailCommentList[lastLoadGameNumber - 1]);
10399 cmailCommentList[lastLoadGameNumber - 1] = NULL;
10403 if (cmailOldMove == -1) {
10404 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
10408 if (currentMove > cmailOldMove + 1) {
10409 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
10413 if (currentMove < cmailOldMove) {
10414 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
10418 if (forwardMostMove > currentMove) {
10419 /* Silently truncate extra moves */
10423 if ( (currentMove == cmailOldMove + 1)
10424 || ( (currentMove == cmailOldMove)
10425 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
10426 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
10427 if (gameInfo.result != GameUnfinished) {
10428 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
10431 if (commentList[currentMove] != NULL) {
10432 cmailCommentList[lastLoadGameNumber - 1]
10433 = StrSave(commentList[currentMove]);
10435 strcpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1]);
10437 if (appData.debugMode)
10438 fprintf(debugFP, "Saving %s for game %d\n",
10439 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
10442 "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
10444 f = fopen(string, "w");
10445 if (appData.oldSaveStyle) {
10446 SaveGameOldStyle(f); /* also closes the file */
10448 sprintf(string, "%s.pos.out", appData.cmailGameName);
10449 f = fopen(string, "w");
10450 SavePosition(f, 0, NULL); /* also closes the file */
10452 fprintf(f, "{--------------\n");
10453 PrintPosition(f, currentMove);
10454 fprintf(f, "--------------}\n\n");
10456 SaveGame(f, 0, NULL); /* also closes the file*/
10459 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
10460 nCmailMovesRegistered ++;
10461 } else if (nCmailGames == 1) {
10462 DisplayError(_("You have not made a move yet"), 0);
10473 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
10474 FILE *commandOutput;
10475 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
10476 int nBytes = 0; /* Suppress warnings on uninitialized variables */
10482 if (! cmailMsgLoaded) {
10483 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
10487 if (nCmailGames == nCmailResults) {
10488 DisplayError(_("No unfinished games"), 0);
10492 #if CMAIL_PROHIBIT_REMAIL
10493 if (cmailMailedMove) {
10494 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);
10495 DisplayError(msg, 0);
10500 if (! (cmailMailedMove || RegisterMove())) return;
10502 if ( cmailMailedMove
10503 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
10504 sprintf(string, partCommandString,
10505 appData.debugMode ? " -v" : "", appData.cmailGameName);
10506 commandOutput = popen(string, "r");
10508 if (commandOutput == NULL) {
10509 DisplayError(_("Failed to invoke cmail"), 0);
10511 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
10512 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
10514 if (nBuffers > 1) {
10515 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
10516 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
10517 nBytes = MSG_SIZ - 1;
10519 (void) memcpy(msg, buffer, nBytes);
10521 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
10523 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
10524 cmailMailedMove = TRUE; /* Prevent >1 moves */
10527 for (i = 0; i < nCmailGames; i ++) {
10528 if (cmailResult[i] == CMAIL_NOT_RESULT) {
10533 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
10535 sprintf(buffer, "%s/%s.%s.archive",
10537 appData.cmailGameName,
10539 LoadGameFromFile(buffer, 1, buffer, FALSE);
10540 cmailMsgLoaded = FALSE;
10544 DisplayInformation(msg);
10545 pclose(commandOutput);
10548 if ((*cmailMsg) != '\0') {
10549 DisplayInformation(cmailMsg);
10554 #endif /* !WIN32 */
10563 int prependComma = 0;
10565 char string[MSG_SIZ]; /* Space for game-list */
10568 if (!cmailMsgLoaded) return "";
10570 if (cmailMailedMove) {
10571 sprintf(cmailMsg, _("Waiting for reply from opponent\n"));
10573 /* Create a list of games left */
10574 sprintf(string, "[");
10575 for (i = 0; i < nCmailGames; i ++) {
10576 if (! ( cmailMoveRegistered[i]
10577 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
10578 if (prependComma) {
10579 sprintf(number, ",%d", i + 1);
10581 sprintf(number, "%d", i + 1);
10585 strcat(string, number);
10588 strcat(string, "]");
10590 if (nCmailMovesRegistered + nCmailResults == 0) {
10591 switch (nCmailGames) {
10594 _("Still need to make move for game\n"));
10599 _("Still need to make moves for both games\n"));
10604 _("Still need to make moves for all %d games\n"),
10609 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
10612 _("Still need to make a move for game %s\n"),
10617 if (nCmailResults == nCmailGames) {
10618 sprintf(cmailMsg, _("No unfinished games\n"));
10620 sprintf(cmailMsg, _("Ready to send mail\n"));
10626 _("Still need to make moves for games %s\n"),
10638 if (gameMode == Training)
10639 SetTrainingModeOff();
10642 cmailMsgLoaded = FALSE;
10643 if (appData.icsActive) {
10644 SendToICS(ics_prefix);
10645 SendToICS("refresh\n");
10655 /* Give up on clean exit */
10659 /* Keep trying for clean exit */
10663 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
10665 if (telnetISR != NULL) {
10666 RemoveInputSource(telnetISR);
10668 if (icsPR != NoProc) {
10669 DestroyChildProcess(icsPR, TRUE);
10672 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
10673 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
10675 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
10676 /* make sure this other one finishes before killing it! */
10677 if(endingGame) { int count = 0;
10678 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
10679 while(endingGame && count++ < 10) DoSleep(1);
10680 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
10683 /* Kill off chess programs */
10684 if (first.pr != NoProc) {
10687 DoSleep( appData.delayBeforeQuit );
10688 SendToProgram("quit\n", &first);
10689 DoSleep( appData.delayAfterQuit );
10690 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
10692 if (second.pr != NoProc) {
10693 DoSleep( appData.delayBeforeQuit );
10694 SendToProgram("quit\n", &second);
10695 DoSleep( appData.delayAfterQuit );
10696 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
10698 if (first.isr != NULL) {
10699 RemoveInputSource(first.isr);
10701 if (second.isr != NULL) {
10702 RemoveInputSource(second.isr);
10705 ShutDownFrontEnd();
10712 if (appData.debugMode)
10713 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
10717 if (gameMode == MachinePlaysWhite ||
10718 gameMode == MachinePlaysBlack) {
10721 DisplayBothClocks();
10723 if (gameMode == PlayFromGameFile) {
10724 if (appData.timeDelay >= 0)
10725 AutoPlayGameLoop();
10726 } else if (gameMode == IcsExamining && pauseExamInvalid) {
10727 Reset(FALSE, TRUE);
10728 SendToICS(ics_prefix);
10729 SendToICS("refresh\n");
10730 } else if (currentMove < forwardMostMove) {
10731 ForwardInner(forwardMostMove);
10733 pauseExamInvalid = FALSE;
10735 switch (gameMode) {
10739 pauseExamForwardMostMove = forwardMostMove;
10740 pauseExamInvalid = FALSE;
10743 case IcsPlayingWhite:
10744 case IcsPlayingBlack:
10748 case PlayFromGameFile:
10749 (void) StopLoadGameTimer();
10753 case BeginningOfGame:
10754 if (appData.icsActive) return;
10755 /* else fall through */
10756 case MachinePlaysWhite:
10757 case MachinePlaysBlack:
10758 case TwoMachinesPlay:
10759 if (forwardMostMove == 0)
10760 return; /* don't pause if no one has moved */
10761 if ((gameMode == MachinePlaysWhite &&
10762 !WhiteOnMove(forwardMostMove)) ||
10763 (gameMode == MachinePlaysBlack &&
10764 WhiteOnMove(forwardMostMove))) {
10777 char title[MSG_SIZ];
10779 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
10780 strcpy(title, _("Edit comment"));
10782 sprintf(title, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
10783 WhiteOnMove(currentMove - 1) ? " " : ".. ",
10784 parseList[currentMove - 1]);
10787 EditCommentPopUp(currentMove, title, commentList[currentMove]);
10794 char *tags = PGNTags(&gameInfo);
10795 EditTagsPopUp(tags);
10802 if (appData.noChessProgram || gameMode == AnalyzeMode)
10805 if (gameMode != AnalyzeFile) {
10806 if (!appData.icsEngineAnalyze) {
10808 if (gameMode != EditGame) return;
10810 ResurrectChessProgram();
10811 SendToProgram("analyze\n", &first);
10812 first.analyzing = TRUE;
10813 /*first.maybeThinking = TRUE;*/
10814 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
10815 EngineOutputPopUp();
10817 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
10822 StartAnalysisClock();
10823 GetTimeMark(&lastNodeCountTime);
10830 if (appData.noChessProgram || gameMode == AnalyzeFile)
10833 if (gameMode != AnalyzeMode) {
10835 if (gameMode != EditGame) return;
10836 ResurrectChessProgram();
10837 SendToProgram("analyze\n", &first);
10838 first.analyzing = TRUE;
10839 /*first.maybeThinking = TRUE;*/
10840 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
10841 EngineOutputPopUp();
10843 gameMode = AnalyzeFile;
10848 StartAnalysisClock();
10849 GetTimeMark(&lastNodeCountTime);
10854 MachineWhiteEvent()
10857 char *bookHit = NULL;
10859 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
10863 if (gameMode == PlayFromGameFile ||
10864 gameMode == TwoMachinesPlay ||
10865 gameMode == Training ||
10866 gameMode == AnalyzeMode ||
10867 gameMode == EndOfGame)
10870 if (gameMode == EditPosition)
10871 EditPositionDone(TRUE);
10873 if (!WhiteOnMove(currentMove)) {
10874 DisplayError(_("It is not White's turn"), 0);
10878 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
10881 if (gameMode == EditGame || gameMode == AnalyzeMode ||
10882 gameMode == AnalyzeFile)
10885 ResurrectChessProgram(); /* in case it isn't running */
10886 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
10887 gameMode = MachinePlaysWhite;
10890 gameMode = MachinePlaysWhite;
10894 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
10896 if (first.sendName) {
10897 sprintf(buf, "name %s\n", gameInfo.black);
10898 SendToProgram(buf, &first);
10900 if (first.sendTime) {
10901 if (first.useColors) {
10902 SendToProgram("black\n", &first); /*gnu kludge*/
10904 SendTimeRemaining(&first, TRUE);
10906 if (first.useColors) {
10907 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
10909 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
10910 SetMachineThinkingEnables();
10911 first.maybeThinking = TRUE;
10915 if (appData.autoFlipView && !flipView) {
10916 flipView = !flipView;
10917 DrawPosition(FALSE, NULL);
10918 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
10921 if(bookHit) { // [HGM] book: simulate book reply
10922 static char bookMove[MSG_SIZ]; // a bit generous?
10924 programStats.nodes = programStats.depth = programStats.time =
10925 programStats.score = programStats.got_only_move = 0;
10926 sprintf(programStats.movelist, "%s (xbook)", bookHit);
10928 strcpy(bookMove, "move ");
10929 strcat(bookMove, bookHit);
10930 HandleMachineMove(bookMove, &first);
10935 MachineBlackEvent()
10938 char *bookHit = NULL;
10940 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
10944 if (gameMode == PlayFromGameFile ||
10945 gameMode == TwoMachinesPlay ||
10946 gameMode == Training ||
10947 gameMode == AnalyzeMode ||
10948 gameMode == EndOfGame)
10951 if (gameMode == EditPosition)
10952 EditPositionDone(TRUE);
10954 if (WhiteOnMove(currentMove)) {
10955 DisplayError(_("It is not Black's turn"), 0);
10959 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
10962 if (gameMode == EditGame || gameMode == AnalyzeMode ||
10963 gameMode == AnalyzeFile)
10966 ResurrectChessProgram(); /* in case it isn't running */
10967 gameMode = MachinePlaysBlack;
10971 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
10973 if (first.sendName) {
10974 sprintf(buf, "name %s\n", gameInfo.white);
10975 SendToProgram(buf, &first);
10977 if (first.sendTime) {
10978 if (first.useColors) {
10979 SendToProgram("white\n", &first); /*gnu kludge*/
10981 SendTimeRemaining(&first, FALSE);
10983 if (first.useColors) {
10984 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
10986 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
10987 SetMachineThinkingEnables();
10988 first.maybeThinking = TRUE;
10991 if (appData.autoFlipView && flipView) {
10992 flipView = !flipView;
10993 DrawPosition(FALSE, NULL);
10994 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
10996 if(bookHit) { // [HGM] book: simulate book reply
10997 static char bookMove[MSG_SIZ]; // a bit generous?
10999 programStats.nodes = programStats.depth = programStats.time =
11000 programStats.score = programStats.got_only_move = 0;
11001 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11003 strcpy(bookMove, "move ");
11004 strcat(bookMove, bookHit);
11005 HandleMachineMove(bookMove, &first);
11011 DisplayTwoMachinesTitle()
11014 if (appData.matchGames > 0) {
11015 if (first.twoMachinesColor[0] == 'w') {
11016 sprintf(buf, "%s vs. %s (%d-%d-%d)",
11017 gameInfo.white, gameInfo.black,
11018 first.matchWins, second.matchWins,
11019 matchGame - 1 - (first.matchWins + second.matchWins));
11021 sprintf(buf, "%s vs. %s (%d-%d-%d)",
11022 gameInfo.white, gameInfo.black,
11023 second.matchWins, first.matchWins,
11024 matchGame - 1 - (first.matchWins + second.matchWins));
11027 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11033 TwoMachinesEvent P((void))
11037 ChessProgramState *onmove;
11038 char *bookHit = NULL;
11040 if (appData.noChessProgram) return;
11042 switch (gameMode) {
11043 case TwoMachinesPlay:
11045 case MachinePlaysWhite:
11046 case MachinePlaysBlack:
11047 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11048 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11052 case BeginningOfGame:
11053 case PlayFromGameFile:
11056 if (gameMode != EditGame) return;
11059 EditPositionDone(TRUE);
11070 // forwardMostMove = currentMove;
11071 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
11072 ResurrectChessProgram(); /* in case first program isn't running */
11074 if (second.pr == NULL) {
11075 StartChessProgram(&second);
11076 if (second.protocolVersion == 1) {
11077 TwoMachinesEventIfReady();
11079 /* kludge: allow timeout for initial "feature" command */
11081 DisplayMessage("", _("Starting second chess program"));
11082 ScheduleDelayedEvent(TwoMachinesEventIfReady, FEATURE_TIMEOUT);
11086 DisplayMessage("", "");
11087 InitChessProgram(&second, FALSE);
11088 SendToProgram("force\n", &second);
11089 if (startedFromSetupPosition) {
11090 SendBoard(&second, backwardMostMove);
11091 if (appData.debugMode) {
11092 fprintf(debugFP, "Two Machines\n");
11095 for (i = backwardMostMove; i < forwardMostMove; i++) {
11096 SendMoveToProgram(i, &second);
11099 gameMode = TwoMachinesPlay;
11103 DisplayTwoMachinesTitle();
11105 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
11111 SendToProgram(first.computerString, &first);
11112 if (first.sendName) {
11113 sprintf(buf, "name %s\n", second.tidy);
11114 SendToProgram(buf, &first);
11116 SendToProgram(second.computerString, &second);
11117 if (second.sendName) {
11118 sprintf(buf, "name %s\n", first.tidy);
11119 SendToProgram(buf, &second);
11123 if (!first.sendTime || !second.sendTime) {
11124 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11125 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11127 if (onmove->sendTime) {
11128 if (onmove->useColors) {
11129 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
11131 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
11133 if (onmove->useColors) {
11134 SendToProgram(onmove->twoMachinesColor, onmove);
11136 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
11137 // SendToProgram("go\n", onmove);
11138 onmove->maybeThinking = TRUE;
11139 SetMachineThinkingEnables();
11143 if(bookHit) { // [HGM] book: simulate book reply
11144 static char bookMove[MSG_SIZ]; // a bit generous?
11146 programStats.nodes = programStats.depth = programStats.time =
11147 programStats.score = programStats.got_only_move = 0;
11148 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11150 strcpy(bookMove, "move ");
11151 strcat(bookMove, bookHit);
11152 savedMessage = bookMove; // args for deferred call
11153 savedState = onmove;
11154 ScheduleDelayedEvent(DeferredBookMove, 1);
11161 if (gameMode == Training) {
11162 SetTrainingModeOff();
11163 gameMode = PlayFromGameFile;
11164 DisplayMessage("", _("Training mode off"));
11166 gameMode = Training;
11167 animateTraining = appData.animate;
11169 /* make sure we are not already at the end of the game */
11170 if (currentMove < forwardMostMove) {
11171 SetTrainingModeOn();
11172 DisplayMessage("", _("Training mode on"));
11174 gameMode = PlayFromGameFile;
11175 DisplayError(_("Already at end of game"), 0);
11184 if (!appData.icsActive) return;
11185 switch (gameMode) {
11186 case IcsPlayingWhite:
11187 case IcsPlayingBlack:
11190 case BeginningOfGame:
11198 EditPositionDone(TRUE);
11211 gameMode = IcsIdle;
11222 switch (gameMode) {
11224 SetTrainingModeOff();
11226 case MachinePlaysWhite:
11227 case MachinePlaysBlack:
11228 case BeginningOfGame:
11229 SendToProgram("force\n", &first);
11230 SetUserThinkingEnables();
11232 case PlayFromGameFile:
11233 (void) StopLoadGameTimer();
11234 if (gameFileFP != NULL) {
11239 EditPositionDone(TRUE);
11244 SendToProgram("force\n", &first);
11246 case TwoMachinesPlay:
11247 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
11248 ResurrectChessProgram();
11249 SetUserThinkingEnables();
11252 ResurrectChessProgram();
11254 case IcsPlayingBlack:
11255 case IcsPlayingWhite:
11256 DisplayError(_("Warning: You are still playing a game"), 0);
11259 DisplayError(_("Warning: You are still observing a game"), 0);
11262 DisplayError(_("Warning: You are still examining a game"), 0);
11273 first.offeredDraw = second.offeredDraw = 0;
11275 if (gameMode == PlayFromGameFile) {
11276 whiteTimeRemaining = timeRemaining[0][currentMove];
11277 blackTimeRemaining = timeRemaining[1][currentMove];
11281 if (gameMode == MachinePlaysWhite ||
11282 gameMode == MachinePlaysBlack ||
11283 gameMode == TwoMachinesPlay ||
11284 gameMode == EndOfGame) {
11285 i = forwardMostMove;
11286 while (i > currentMove) {
11287 SendToProgram("undo\n", &first);
11290 whiteTimeRemaining = timeRemaining[0][currentMove];
11291 blackTimeRemaining = timeRemaining[1][currentMove];
11292 DisplayBothClocks();
11293 if (whiteFlag || blackFlag) {
11294 whiteFlag = blackFlag = 0;
11299 gameMode = EditGame;
11306 EditPositionEvent()
11308 if (gameMode == EditPosition) {
11314 if (gameMode != EditGame) return;
11316 gameMode = EditPosition;
11319 if (currentMove > 0)
11320 CopyBoard(boards[0], boards[currentMove]);
11322 blackPlaysFirst = !WhiteOnMove(currentMove);
11324 currentMove = forwardMostMove = backwardMostMove = 0;
11325 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11332 /* [DM] icsEngineAnalyze - possible call from other functions */
11333 if (appData.icsEngineAnalyze) {
11334 appData.icsEngineAnalyze = FALSE;
11336 DisplayMessage("",_("Close ICS engine analyze..."));
11338 if (first.analysisSupport && first.analyzing) {
11339 SendToProgram("exit\n", &first);
11340 first.analyzing = FALSE;
11342 thinkOutput[0] = NULLCHAR;
11346 EditPositionDone(Boolean fakeRights)
11348 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
11350 startedFromSetupPosition = TRUE;
11351 InitChessProgram(&first, FALSE);
11352 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
11353 boards[0][EP_STATUS] = EP_NONE;
11354 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
11355 if(boards[0][0][BOARD_WIDTH>>1] == king) {
11356 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
11357 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
11358 } else boards[0][CASTLING][2] = NoRights;
11359 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
11360 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
11361 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
11362 } else boards[0][CASTLING][5] = NoRights;
11364 SendToProgram("force\n", &first);
11365 if (blackPlaysFirst) {
11366 strcpy(moveList[0], "");
11367 strcpy(parseList[0], "");
11368 currentMove = forwardMostMove = backwardMostMove = 1;
11369 CopyBoard(boards[1], boards[0]);
11371 currentMove = forwardMostMove = backwardMostMove = 0;
11373 SendBoard(&first, forwardMostMove);
11374 if (appData.debugMode) {
11375 fprintf(debugFP, "EditPosDone\n");
11378 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11379 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11380 gameMode = EditGame;
11382 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11383 ClearHighlights(); /* [AS] */
11386 /* Pause for `ms' milliseconds */
11387 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
11397 } while (SubtractTimeMarks(&m2, &m1) < ms);
11400 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
11402 SendMultiLineToICS(buf)
11405 char temp[MSG_SIZ+1], *p;
11412 strncpy(temp, buf, len);
11417 if (*p == '\n' || *p == '\r')
11422 strcat(temp, "\n");
11424 SendToPlayer(temp, strlen(temp));
11428 SetWhiteToPlayEvent()
11430 if (gameMode == EditPosition) {
11431 blackPlaysFirst = FALSE;
11432 DisplayBothClocks(); /* works because currentMove is 0 */
11433 } else if (gameMode == IcsExamining) {
11434 SendToICS(ics_prefix);
11435 SendToICS("tomove white\n");
11440 SetBlackToPlayEvent()
11442 if (gameMode == EditPosition) {
11443 blackPlaysFirst = TRUE;
11444 currentMove = 1; /* kludge */
11445 DisplayBothClocks();
11447 } else if (gameMode == IcsExamining) {
11448 SendToICS(ics_prefix);
11449 SendToICS("tomove black\n");
11454 EditPositionMenuEvent(selection, x, y)
11455 ChessSquare selection;
11459 ChessSquare piece = boards[0][y][x];
11461 if (gameMode != EditPosition && gameMode != IcsExamining) return;
11463 switch (selection) {
11465 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
11466 SendToICS(ics_prefix);
11467 SendToICS("bsetup clear\n");
11468 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
11469 SendToICS(ics_prefix);
11470 SendToICS("clearboard\n");
11472 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
11473 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
11474 for (y = 0; y < BOARD_HEIGHT; y++) {
11475 if (gameMode == IcsExamining) {
11476 if (boards[currentMove][y][x] != EmptySquare) {
11477 sprintf(buf, "%sx@%c%c\n", ics_prefix,
11482 boards[0][y][x] = p;
11487 if (gameMode == EditPosition) {
11488 DrawPosition(FALSE, boards[0]);
11493 SetWhiteToPlayEvent();
11497 SetBlackToPlayEvent();
11501 if (gameMode == IcsExamining) {
11502 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
11503 sprintf(buf, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
11506 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
11507 if(x == BOARD_LEFT-2) {
11508 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
11509 boards[0][y][1] = 0;
11511 if(x == BOARD_RGHT+1) {
11512 if(y >= gameInfo.holdingsSize) break;
11513 boards[0][y][BOARD_WIDTH-2] = 0;
11516 boards[0][y][x] = EmptySquare;
11517 DrawPosition(FALSE, boards[0]);
11522 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
11523 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
11524 selection = (ChessSquare) (PROMOTED piece);
11525 } else if(piece == EmptySquare) selection = WhiteSilver;
11526 else selection = (ChessSquare)((int)piece - 1);
11530 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
11531 piece > (int)BlackMan && piece <= (int)BlackKing ) {
11532 selection = (ChessSquare) (DEMOTED piece);
11533 } else if(piece == EmptySquare) selection = BlackSilver;
11534 else selection = (ChessSquare)((int)piece + 1);
11539 if(gameInfo.variant == VariantShatranj ||
11540 gameInfo.variant == VariantXiangqi ||
11541 gameInfo.variant == VariantCourier )
11542 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
11547 if(gameInfo.variant == VariantXiangqi)
11548 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
11549 if(gameInfo.variant == VariantKnightmate)
11550 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
11553 if (gameMode == IcsExamining) {
11554 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
11555 sprintf(buf, "%s%c@%c%c\n", ics_prefix,
11556 PieceToChar(selection), AAA + x, ONE + y);
11559 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
11561 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
11562 n = PieceToNumber(selection - BlackPawn);
11563 if(n > gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
11564 boards[0][BOARD_HEIGHT-1-n][0] = selection;
11565 boards[0][BOARD_HEIGHT-1-n][1]++;
11567 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
11568 n = PieceToNumber(selection);
11569 if(n > gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
11570 boards[0][n][BOARD_WIDTH-1] = selection;
11571 boards[0][n][BOARD_WIDTH-2]++;
11574 boards[0][y][x] = selection;
11575 DrawPosition(TRUE, boards[0]);
11583 DropMenuEvent(selection, x, y)
11584 ChessSquare selection;
11587 ChessMove moveType;
11589 switch (gameMode) {
11590 case IcsPlayingWhite:
11591 case MachinePlaysBlack:
11592 if (!WhiteOnMove(currentMove)) {
11593 DisplayMoveError(_("It is Black's turn"));
11596 moveType = WhiteDrop;
11598 case IcsPlayingBlack:
11599 case MachinePlaysWhite:
11600 if (WhiteOnMove(currentMove)) {
11601 DisplayMoveError(_("It is White's turn"));
11604 moveType = BlackDrop;
11607 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
11613 if (moveType == BlackDrop && selection < BlackPawn) {
11614 selection = (ChessSquare) ((int) selection
11615 + (int) BlackPawn - (int) WhitePawn);
11617 if (boards[currentMove][y][x] != EmptySquare) {
11618 DisplayMoveError(_("That square is occupied"));
11622 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
11628 /* Accept a pending offer of any kind from opponent */
11630 if (appData.icsActive) {
11631 SendToICS(ics_prefix);
11632 SendToICS("accept\n");
11633 } else if (cmailMsgLoaded) {
11634 if (currentMove == cmailOldMove &&
11635 commentList[cmailOldMove] != NULL &&
11636 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
11637 "Black offers a draw" : "White offers a draw")) {
11639 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11640 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
11642 DisplayError(_("There is no pending offer on this move"), 0);
11643 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11646 /* Not used for offers from chess program */
11653 /* Decline a pending offer of any kind from opponent */
11655 if (appData.icsActive) {
11656 SendToICS(ics_prefix);
11657 SendToICS("decline\n");
11658 } else if (cmailMsgLoaded) {
11659 if (currentMove == cmailOldMove &&
11660 commentList[cmailOldMove] != NULL &&
11661 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
11662 "Black offers a draw" : "White offers a draw")) {
11664 AppendComment(cmailOldMove, "Draw declined", TRUE);
11665 DisplayComment(cmailOldMove - 1, "Draw declined");
11668 DisplayError(_("There is no pending offer on this move"), 0);
11671 /* Not used for offers from chess program */
11678 /* Issue ICS rematch command */
11679 if (appData.icsActive) {
11680 SendToICS(ics_prefix);
11681 SendToICS("rematch\n");
11688 /* Call your opponent's flag (claim a win on time) */
11689 if (appData.icsActive) {
11690 SendToICS(ics_prefix);
11691 SendToICS("flag\n");
11693 switch (gameMode) {
11696 case MachinePlaysWhite:
11699 GameEnds(GameIsDrawn, "Both players ran out of time",
11702 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
11704 DisplayError(_("Your opponent is not out of time"), 0);
11707 case MachinePlaysBlack:
11710 GameEnds(GameIsDrawn, "Both players ran out of time",
11713 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
11715 DisplayError(_("Your opponent is not out of time"), 0);
11725 /* Offer draw or accept pending draw offer from opponent */
11727 if (appData.icsActive) {
11728 /* Note: tournament rules require draw offers to be
11729 made after you make your move but before you punch
11730 your clock. Currently ICS doesn't let you do that;
11731 instead, you immediately punch your clock after making
11732 a move, but you can offer a draw at any time. */
11734 SendToICS(ics_prefix);
11735 SendToICS("draw\n");
11736 } else if (cmailMsgLoaded) {
11737 if (currentMove == cmailOldMove &&
11738 commentList[cmailOldMove] != NULL &&
11739 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
11740 "Black offers a draw" : "White offers a draw")) {
11741 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11742 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
11743 } else if (currentMove == cmailOldMove + 1) {
11744 char *offer = WhiteOnMove(cmailOldMove) ?
11745 "White offers a draw" : "Black offers a draw";
11746 AppendComment(currentMove, offer, TRUE);
11747 DisplayComment(currentMove - 1, offer);
11748 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
11750 DisplayError(_("You must make your move before offering a draw"), 0);
11751 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11753 } else if (first.offeredDraw) {
11754 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
11756 if (first.sendDrawOffers) {
11757 SendToProgram("draw\n", &first);
11758 userOfferedDraw = TRUE;
11766 /* Offer Adjourn or accept pending Adjourn offer from opponent */
11768 if (appData.icsActive) {
11769 SendToICS(ics_prefix);
11770 SendToICS("adjourn\n");
11772 /* Currently GNU Chess doesn't offer or accept Adjourns */
11780 /* Offer Abort or accept pending Abort offer from opponent */
11782 if (appData.icsActive) {
11783 SendToICS(ics_prefix);
11784 SendToICS("abort\n");
11786 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
11793 /* Resign. You can do this even if it's not your turn. */
11795 if (appData.icsActive) {
11796 SendToICS(ics_prefix);
11797 SendToICS("resign\n");
11799 switch (gameMode) {
11800 case MachinePlaysWhite:
11801 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11803 case MachinePlaysBlack:
11804 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11807 if (cmailMsgLoaded) {
11809 if (WhiteOnMove(cmailOldMove)) {
11810 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11812 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11814 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
11825 StopObservingEvent()
11827 /* Stop observing current games */
11828 SendToICS(ics_prefix);
11829 SendToICS("unobserve\n");
11833 StopExaminingEvent()
11835 /* Stop observing current game */
11836 SendToICS(ics_prefix);
11837 SendToICS("unexamine\n");
11841 ForwardInner(target)
11846 if (appData.debugMode)
11847 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
11848 target, currentMove, forwardMostMove);
11850 if (gameMode == EditPosition)
11853 if (gameMode == PlayFromGameFile && !pausing)
11856 if (gameMode == IcsExamining && pausing)
11857 limit = pauseExamForwardMostMove;
11859 limit = forwardMostMove;
11861 if (target > limit) target = limit;
11863 if (target > 0 && moveList[target - 1][0]) {
11864 int fromX, fromY, toX, toY;
11865 toX = moveList[target - 1][2] - AAA;
11866 toY = moveList[target - 1][3] - ONE;
11867 if (moveList[target - 1][1] == '@') {
11868 if (appData.highlightLastMove) {
11869 SetHighlights(-1, -1, toX, toY);
11872 fromX = moveList[target - 1][0] - AAA;
11873 fromY = moveList[target - 1][1] - ONE;
11874 if (target == currentMove + 1) {
11875 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11877 if (appData.highlightLastMove) {
11878 SetHighlights(fromX, fromY, toX, toY);
11882 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11883 gameMode == Training || gameMode == PlayFromGameFile ||
11884 gameMode == AnalyzeFile) {
11885 while (currentMove < target) {
11886 SendMoveToProgram(currentMove++, &first);
11889 currentMove = target;
11892 if (gameMode == EditGame || gameMode == EndOfGame) {
11893 whiteTimeRemaining = timeRemaining[0][currentMove];
11894 blackTimeRemaining = timeRemaining[1][currentMove];
11896 DisplayBothClocks();
11897 DisplayMove(currentMove - 1);
11898 DrawPosition(FALSE, boards[currentMove]);
11899 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
11900 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
11901 DisplayComment(currentMove - 1, commentList[currentMove]);
11909 if (gameMode == IcsExamining && !pausing) {
11910 SendToICS(ics_prefix);
11911 SendToICS("forward\n");
11913 ForwardInner(currentMove + 1);
11920 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
11921 /* to optimze, we temporarily turn off analysis mode while we feed
11922 * the remaining moves to the engine. Otherwise we get analysis output
11925 if (first.analysisSupport) {
11926 SendToProgram("exit\nforce\n", &first);
11927 first.analyzing = FALSE;
11931 if (gameMode == IcsExamining && !pausing) {
11932 SendToICS(ics_prefix);
11933 SendToICS("forward 999999\n");
11935 ForwardInner(forwardMostMove);
11938 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
11939 /* we have fed all the moves, so reactivate analysis mode */
11940 SendToProgram("analyze\n", &first);
11941 first.analyzing = TRUE;
11942 /*first.maybeThinking = TRUE;*/
11943 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11948 BackwardInner(target)
11951 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
11953 if (appData.debugMode)
11954 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
11955 target, currentMove, forwardMostMove);
11957 if (gameMode == EditPosition) return;
11958 if (currentMove <= backwardMostMove) {
11960 DrawPosition(full_redraw, boards[currentMove]);
11963 if (gameMode == PlayFromGameFile && !pausing)
11966 if (moveList[target][0]) {
11967 int fromX, fromY, toX, toY;
11968 toX = moveList[target][2] - AAA;
11969 toY = moveList[target][3] - ONE;
11970 if (moveList[target][1] == '@') {
11971 if (appData.highlightLastMove) {
11972 SetHighlights(-1, -1, toX, toY);
11975 fromX = moveList[target][0] - AAA;
11976 fromY = moveList[target][1] - ONE;
11977 if (target == currentMove - 1) {
11978 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
11980 if (appData.highlightLastMove) {
11981 SetHighlights(fromX, fromY, toX, toY);
11985 if (gameMode == EditGame || gameMode==AnalyzeMode ||
11986 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
11987 while (currentMove > target) {
11988 SendToProgram("undo\n", &first);
11992 currentMove = target;
11995 if (gameMode == EditGame || gameMode == EndOfGame) {
11996 whiteTimeRemaining = timeRemaining[0][currentMove];
11997 blackTimeRemaining = timeRemaining[1][currentMove];
11999 DisplayBothClocks();
12000 DisplayMove(currentMove - 1);
12001 DrawPosition(full_redraw, boards[currentMove]);
12002 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12003 // [HGM] PV info: routine tests if comment empty
12004 DisplayComment(currentMove - 1, commentList[currentMove]);
12010 if (gameMode == IcsExamining && !pausing) {
12011 SendToICS(ics_prefix);
12012 SendToICS("backward\n");
12014 BackwardInner(currentMove - 1);
12021 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12022 /* to optimize, we temporarily turn off analysis mode while we undo
12023 * all the moves. Otherwise we get analysis output after each undo.
12025 if (first.analysisSupport) {
12026 SendToProgram("exit\nforce\n", &first);
12027 first.analyzing = FALSE;
12031 if (gameMode == IcsExamining && !pausing) {
12032 SendToICS(ics_prefix);
12033 SendToICS("backward 999999\n");
12035 BackwardInner(backwardMostMove);
12038 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12039 /* we have fed all the moves, so reactivate analysis mode */
12040 SendToProgram("analyze\n", &first);
12041 first.analyzing = TRUE;
12042 /*first.maybeThinking = TRUE;*/
12043 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12050 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
12051 if (to >= forwardMostMove) to = forwardMostMove;
12052 if (to <= backwardMostMove) to = backwardMostMove;
12053 if (to < currentMove) {
12063 if(PopTail(TRUE)) { // [HGM] vari: restore old game tail
12066 if (gameMode != IcsExamining) {
12067 DisplayError(_("You are not examining a game"), 0);
12071 DisplayError(_("You can't revert while pausing"), 0);
12074 SendToICS(ics_prefix);
12075 SendToICS("revert\n");
12081 switch (gameMode) {
12082 case MachinePlaysWhite:
12083 case MachinePlaysBlack:
12084 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12085 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12088 if (forwardMostMove < 2) return;
12089 currentMove = forwardMostMove = forwardMostMove - 2;
12090 whiteTimeRemaining = timeRemaining[0][currentMove];
12091 blackTimeRemaining = timeRemaining[1][currentMove];
12092 DisplayBothClocks();
12093 DisplayMove(currentMove - 1);
12094 ClearHighlights();/*!! could figure this out*/
12095 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
12096 SendToProgram("remove\n", &first);
12097 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
12100 case BeginningOfGame:
12104 case IcsPlayingWhite:
12105 case IcsPlayingBlack:
12106 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
12107 SendToICS(ics_prefix);
12108 SendToICS("takeback 2\n");
12110 SendToICS(ics_prefix);
12111 SendToICS("takeback 1\n");
12120 ChessProgramState *cps;
12122 switch (gameMode) {
12123 case MachinePlaysWhite:
12124 if (!WhiteOnMove(forwardMostMove)) {
12125 DisplayError(_("It is your turn"), 0);
12130 case MachinePlaysBlack:
12131 if (WhiteOnMove(forwardMostMove)) {
12132 DisplayError(_("It is your turn"), 0);
12137 case TwoMachinesPlay:
12138 if (WhiteOnMove(forwardMostMove) ==
12139 (first.twoMachinesColor[0] == 'w')) {
12145 case BeginningOfGame:
12149 SendToProgram("?\n", cps);
12153 TruncateGameEvent()
12156 if (gameMode != EditGame) return;
12163 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
12164 if (forwardMostMove > currentMove) {
12165 if (gameInfo.resultDetails != NULL) {
12166 free(gameInfo.resultDetails);
12167 gameInfo.resultDetails = NULL;
12168 gameInfo.result = GameUnfinished;
12170 forwardMostMove = currentMove;
12171 HistorySet(parseList, backwardMostMove, forwardMostMove,
12179 if (appData.noChessProgram) return;
12180 switch (gameMode) {
12181 case MachinePlaysWhite:
12182 if (WhiteOnMove(forwardMostMove)) {
12183 DisplayError(_("Wait until your turn"), 0);
12187 case BeginningOfGame:
12188 case MachinePlaysBlack:
12189 if (!WhiteOnMove(forwardMostMove)) {
12190 DisplayError(_("Wait until your turn"), 0);
12195 DisplayError(_("No hint available"), 0);
12198 SendToProgram("hint\n", &first);
12199 hintRequested = TRUE;
12205 if (appData.noChessProgram) return;
12206 switch (gameMode) {
12207 case MachinePlaysWhite:
12208 if (WhiteOnMove(forwardMostMove)) {
12209 DisplayError(_("Wait until your turn"), 0);
12213 case BeginningOfGame:
12214 case MachinePlaysBlack:
12215 if (!WhiteOnMove(forwardMostMove)) {
12216 DisplayError(_("Wait until your turn"), 0);
12221 EditPositionDone(TRUE);
12223 case TwoMachinesPlay:
12228 SendToProgram("bk\n", &first);
12229 bookOutput[0] = NULLCHAR;
12230 bookRequested = TRUE;
12236 char *tags = PGNTags(&gameInfo);
12237 TagsPopUp(tags, CmailMsg());
12241 /* end button procedures */
12244 PrintPosition(fp, move)
12250 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12251 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
12252 char c = PieceToChar(boards[move][i][j]);
12253 fputc(c == 'x' ? '.' : c, fp);
12254 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
12257 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
12258 fprintf(fp, "white to play\n");
12260 fprintf(fp, "black to play\n");
12267 if (gameInfo.white != NULL) {
12268 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
12274 /* Find last component of program's own name, using some heuristics */
12276 TidyProgramName(prog, host, buf)
12277 char *prog, *host, buf[MSG_SIZ];
12280 int local = (strcmp(host, "localhost") == 0);
12281 while (!local && (p = strchr(prog, ';')) != NULL) {
12283 while (*p == ' ') p++;
12286 if (*prog == '"' || *prog == '\'') {
12287 q = strchr(prog + 1, *prog);
12289 q = strchr(prog, ' ');
12291 if (q == NULL) q = prog + strlen(prog);
12293 while (p >= prog && *p != '/' && *p != '\\') p--;
12295 if(p == prog && *p == '"') p++;
12296 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
12297 memcpy(buf, p, q - p);
12298 buf[q - p] = NULLCHAR;
12306 TimeControlTagValue()
12309 if (!appData.clockMode) {
12311 } else if (movesPerSession > 0) {
12312 sprintf(buf, "%d/%ld", movesPerSession, timeControl/1000);
12313 } else if (timeIncrement == 0) {
12314 sprintf(buf, "%ld", timeControl/1000);
12316 sprintf(buf, "%ld+%ld", timeControl/1000, timeIncrement/1000);
12318 return StrSave(buf);
12324 /* This routine is used only for certain modes */
12325 VariantClass v = gameInfo.variant;
12326 ChessMove r = GameUnfinished;
12329 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
12330 r = gameInfo.result;
12331 p = gameInfo.resultDetails;
12332 gameInfo.resultDetails = NULL;
12334 ClearGameInfo(&gameInfo);
12335 gameInfo.variant = v;
12337 switch (gameMode) {
12338 case MachinePlaysWhite:
12339 gameInfo.event = StrSave( appData.pgnEventHeader );
12340 gameInfo.site = StrSave(HostName());
12341 gameInfo.date = PGNDate();
12342 gameInfo.round = StrSave("-");
12343 gameInfo.white = StrSave(first.tidy);
12344 gameInfo.black = StrSave(UserName());
12345 gameInfo.timeControl = TimeControlTagValue();
12348 case MachinePlaysBlack:
12349 gameInfo.event = StrSave( appData.pgnEventHeader );
12350 gameInfo.site = StrSave(HostName());
12351 gameInfo.date = PGNDate();
12352 gameInfo.round = StrSave("-");
12353 gameInfo.white = StrSave(UserName());
12354 gameInfo.black = StrSave(first.tidy);
12355 gameInfo.timeControl = TimeControlTagValue();
12358 case TwoMachinesPlay:
12359 gameInfo.event = StrSave( appData.pgnEventHeader );
12360 gameInfo.site = StrSave(HostName());
12361 gameInfo.date = PGNDate();
12362 if (matchGame > 0) {
12364 sprintf(buf, "%d", matchGame);
12365 gameInfo.round = StrSave(buf);
12367 gameInfo.round = StrSave("-");
12369 if (first.twoMachinesColor[0] == 'w') {
12370 gameInfo.white = StrSave(first.tidy);
12371 gameInfo.black = StrSave(second.tidy);
12373 gameInfo.white = StrSave(second.tidy);
12374 gameInfo.black = StrSave(first.tidy);
12376 gameInfo.timeControl = TimeControlTagValue();
12380 gameInfo.event = StrSave("Edited game");
12381 gameInfo.site = StrSave(HostName());
12382 gameInfo.date = PGNDate();
12383 gameInfo.round = StrSave("-");
12384 gameInfo.white = StrSave("-");
12385 gameInfo.black = StrSave("-");
12386 gameInfo.result = r;
12387 gameInfo.resultDetails = p;
12391 gameInfo.event = StrSave("Edited position");
12392 gameInfo.site = StrSave(HostName());
12393 gameInfo.date = PGNDate();
12394 gameInfo.round = StrSave("-");
12395 gameInfo.white = StrSave("-");
12396 gameInfo.black = StrSave("-");
12399 case IcsPlayingWhite:
12400 case IcsPlayingBlack:
12405 case PlayFromGameFile:
12406 gameInfo.event = StrSave("Game from non-PGN file");
12407 gameInfo.site = StrSave(HostName());
12408 gameInfo.date = PGNDate();
12409 gameInfo.round = StrSave("-");
12410 gameInfo.white = StrSave("?");
12411 gameInfo.black = StrSave("?");
12420 ReplaceComment(index, text)
12426 while (*text == '\n') text++;
12427 len = strlen(text);
12428 while (len > 0 && text[len - 1] == '\n') len--;
12430 if (commentList[index] != NULL)
12431 free(commentList[index]);
12434 commentList[index] = NULL;
12437 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
12438 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
12439 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
12440 commentList[index] = (char *) malloc(len + 2);
12441 strncpy(commentList[index], text, len);
12442 commentList[index][len] = '\n';
12443 commentList[index][len + 1] = NULLCHAR;
12445 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
12447 commentList[index] = (char *) malloc(len + 6);
12448 strcpy(commentList[index], "{\n");
12449 strncpy(commentList[index]+2, text, len);
12450 commentList[index][len+2] = NULLCHAR;
12451 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
12452 strcat(commentList[index], "\n}\n");
12466 if (ch == '\r') continue;
12468 } while (ch != '\0');
12472 AppendComment(index, text, addBraces)
12475 Boolean addBraces; // [HGM] braces: tells if we should add {}
12480 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
12481 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
12484 while (*text == '\n') text++;
12485 len = strlen(text);
12486 while (len > 0 && text[len - 1] == '\n') len--;
12488 if (len == 0) return;
12490 if (commentList[index] != NULL) {
12491 old = commentList[index];
12492 oldlen = strlen(old);
12493 while(commentList[index][oldlen-1] == '\n')
12494 commentList[index][--oldlen] = NULLCHAR;
12495 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
12496 strcpy(commentList[index], old);
12498 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
12499 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces)) {
12500 if(addBraces) addBraces = FALSE; else { text++; len--; }
12501 while (*text == '\n') { text++; len--; }
12502 commentList[index][--oldlen] = NULLCHAR;
12504 if(addBraces) strcat(commentList[index], "\n{\n");
12505 else strcat(commentList[index], "\n");
12506 strcat(commentList[index], text);
12507 if(addBraces) strcat(commentList[index], "\n}\n");
12508 else strcat(commentList[index], "\n");
12510 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
12512 strcpy(commentList[index], "{\n");
12513 else commentList[index][0] = NULLCHAR;
12514 strcat(commentList[index], text);
12515 strcat(commentList[index], "\n");
12516 if(addBraces) strcat(commentList[index], "}\n");
12520 static char * FindStr( char * text, char * sub_text )
12522 char * result = strstr( text, sub_text );
12524 if( result != NULL ) {
12525 result += strlen( sub_text );
12531 /* [AS] Try to extract PV info from PGN comment */
12532 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
12533 char *GetInfoFromComment( int index, char * text )
12537 if( text != NULL && index > 0 ) {
12540 int time = -1, sec = 0, deci;
12541 char * s_eval = FindStr( text, "[%eval " );
12542 char * s_emt = FindStr( text, "[%emt " );
12544 if( s_eval != NULL || s_emt != NULL ) {
12548 if( s_eval != NULL ) {
12549 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
12553 if( delim != ']' ) {
12558 if( s_emt != NULL ) {
12563 /* We expect something like: [+|-]nnn.nn/dd */
12566 if(*text != '{') return text; // [HGM] braces: must be normal comment
12568 sep = strchr( text, '/' );
12569 if( sep == NULL || sep < (text+4) ) {
12573 time = -1; sec = -1; deci = -1;
12574 if( sscanf( text+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
12575 sscanf( text+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
12576 sscanf( text+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
12577 sscanf( text+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
12581 if( score_lo < 0 || score_lo >= 100 ) {
12585 if(sec >= 0) time = 600*time + 10*sec; else
12586 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
12588 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
12590 /* [HGM] PV time: now locate end of PV info */
12591 while( *++sep >= '0' && *sep <= '9'); // strip depth
12593 while( *++sep >= '0' && *sep <= '9'); // strip time
12595 while( *++sep >= '0' && *sep <= '9'); // strip seconds
12597 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
12598 while(*sep == ' ') sep++;
12609 pvInfoList[index-1].depth = depth;
12610 pvInfoList[index-1].score = score;
12611 pvInfoList[index-1].time = 10*time; // centi-sec
12612 if(*sep == '}') *sep = 0; else *--sep = '{';
12618 SendToProgram(message, cps)
12620 ChessProgramState *cps;
12622 int count, outCount, error;
12625 if (cps->pr == NULL) return;
12628 if (appData.debugMode) {
12631 fprintf(debugFP, "%ld >%-6s: %s",
12632 SubtractTimeMarks(&now, &programStartTime),
12633 cps->which, message);
12636 count = strlen(message);
12637 outCount = OutputToProcess(cps->pr, message, count, &error);
12638 if (outCount < count && !exiting
12639 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
12640 sprintf(buf, _("Error writing to %s chess program"), cps->which);
12641 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
12642 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
12643 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
12644 sprintf(buf, "%s program exits in draw position (%s)", cps->which, cps->program);
12646 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
12648 gameInfo.resultDetails = StrSave(buf);
12650 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
12655 ReceiveFromProgram(isr, closure, message, count, error)
12656 InputSourceRef isr;
12664 ChessProgramState *cps = (ChessProgramState *)closure;
12666 if (isr != cps->isr) return; /* Killed intentionally */
12670 _("Error: %s chess program (%s) exited unexpectedly"),
12671 cps->which, cps->program);
12672 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
12673 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
12674 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
12675 sprintf(buf, _("%s program exits in draw position (%s)"), cps->which, cps->program);
12677 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
12679 gameInfo.resultDetails = StrSave(buf);
12681 RemoveInputSource(cps->isr);
12682 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
12685 _("Error reading from %s chess program (%s)"),
12686 cps->which, cps->program);
12687 RemoveInputSource(cps->isr);
12689 /* [AS] Program is misbehaving badly... kill it */
12690 if( count == -2 ) {
12691 DestroyChildProcess( cps->pr, 9 );
12695 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
12700 if ((end_str = strchr(message, '\r')) != NULL)
12701 *end_str = NULLCHAR;
12702 if ((end_str = strchr(message, '\n')) != NULL)
12703 *end_str = NULLCHAR;
12705 if (appData.debugMode) {
12706 TimeMark now; int print = 1;
12707 char *quote = ""; char c; int i;
12709 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
12710 char start = message[0];
12711 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
12712 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
12713 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
12714 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
12715 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
12716 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
12717 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
12718 sscanf(message, "pong %c", &c)!=1 && start != '#')
12719 { quote = "# "; print = (appData.engineComments == 2); }
12720 message[0] = start; // restore original message
12724 fprintf(debugFP, "%ld <%-6s: %s%s\n",
12725 SubtractTimeMarks(&now, &programStartTime), cps->which,
12731 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
12732 if (appData.icsEngineAnalyze) {
12733 if (strstr(message, "whisper") != NULL ||
12734 strstr(message, "kibitz") != NULL ||
12735 strstr(message, "tellics") != NULL) return;
12738 HandleMachineMove(message, cps);
12743 SendTimeControl(cps, mps, tc, inc, sd, st)
12744 ChessProgramState *cps;
12745 int mps, inc, sd, st;
12751 if( timeControl_2 > 0 ) {
12752 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
12753 tc = timeControl_2;
12756 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
12757 inc /= cps->timeOdds;
12758 st /= cps->timeOdds;
12760 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
12763 /* Set exact time per move, normally using st command */
12764 if (cps->stKludge) {
12765 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
12767 if (seconds == 0) {
12768 sprintf(buf, "level 1 %d\n", st/60);
12770 sprintf(buf, "level 1 %d:%02d\n", st/60, seconds);
12773 sprintf(buf, "st %d\n", st);
12776 /* Set conventional or incremental time control, using level command */
12777 if (seconds == 0) {
12778 /* Note old gnuchess bug -- minutes:seconds used to not work.
12779 Fixed in later versions, but still avoid :seconds
12780 when seconds is 0. */
12781 sprintf(buf, "level %d %ld %d\n", mps, tc/60000, inc/1000);
12783 sprintf(buf, "level %d %ld:%02d %d\n", mps, tc/60000,
12784 seconds, inc/1000);
12787 SendToProgram(buf, cps);
12789 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
12790 /* Orthogonally, limit search to given depth */
12792 if (cps->sdKludge) {
12793 sprintf(buf, "depth\n%d\n", sd);
12795 sprintf(buf, "sd %d\n", sd);
12797 SendToProgram(buf, cps);
12800 if(cps->nps > 0) { /* [HGM] nps */
12801 if(cps->supportsNPS == FALSE) cps->nps = -1; // don't use if engine explicitly says not supported!
12803 sprintf(buf, "nps %d\n", cps->nps);
12804 SendToProgram(buf, cps);
12809 ChessProgramState *WhitePlayer()
12810 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
12812 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
12813 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
12819 SendTimeRemaining(cps, machineWhite)
12820 ChessProgramState *cps;
12821 int /*boolean*/ machineWhite;
12823 char message[MSG_SIZ];
12826 /* Note: this routine must be called when the clocks are stopped
12827 or when they have *just* been set or switched; otherwise
12828 it will be off by the time since the current tick started.
12830 if (machineWhite) {
12831 time = whiteTimeRemaining / 10;
12832 otime = blackTimeRemaining / 10;
12834 time = blackTimeRemaining / 10;
12835 otime = whiteTimeRemaining / 10;
12837 /* [HGM] translate opponent's time by time-odds factor */
12838 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
12839 if (appData.debugMode) {
12840 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
12843 if (time <= 0) time = 1;
12844 if (otime <= 0) otime = 1;
12846 sprintf(message, "time %ld\n", time);
12847 SendToProgram(message, cps);
12849 sprintf(message, "otim %ld\n", otime);
12850 SendToProgram(message, cps);
12854 BoolFeature(p, name, loc, cps)
12858 ChessProgramState *cps;
12861 int len = strlen(name);
12863 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
12865 sscanf(*p, "%d", &val);
12867 while (**p && **p != ' ') (*p)++;
12868 sprintf(buf, "accepted %s\n", name);
12869 SendToProgram(buf, cps);
12876 IntFeature(p, name, loc, cps)
12880 ChessProgramState *cps;
12883 int len = strlen(name);
12884 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
12886 sscanf(*p, "%d", loc);
12887 while (**p && **p != ' ') (*p)++;
12888 sprintf(buf, "accepted %s\n", name);
12889 SendToProgram(buf, cps);
12896 StringFeature(p, name, loc, cps)
12900 ChessProgramState *cps;
12903 int len = strlen(name);
12904 if (strncmp((*p), name, len) == 0
12905 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
12907 sscanf(*p, "%[^\"]", loc);
12908 while (**p && **p != '\"') (*p)++;
12909 if (**p == '\"') (*p)++;
12910 sprintf(buf, "accepted %s\n", name);
12911 SendToProgram(buf, cps);
12918 ParseOption(Option *opt, ChessProgramState *cps)
12919 // [HGM] options: process the string that defines an engine option, and determine
12920 // name, type, default value, and allowed value range
12922 char *p, *q, buf[MSG_SIZ];
12923 int n, min = (-1)<<31, max = 1<<31, def;
12925 if(p = strstr(opt->name, " -spin ")) {
12926 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
12927 if(max < min) max = min; // enforce consistency
12928 if(def < min) def = min;
12929 if(def > max) def = max;
12934 } else if((p = strstr(opt->name, " -slider "))) {
12935 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
12936 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
12937 if(max < min) max = min; // enforce consistency
12938 if(def < min) def = min;
12939 if(def > max) def = max;
12943 opt->type = Spin; // Slider;
12944 } else if((p = strstr(opt->name, " -string "))) {
12945 opt->textValue = p+9;
12946 opt->type = TextBox;
12947 } else if((p = strstr(opt->name, " -file "))) {
12948 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
12949 opt->textValue = p+7;
12950 opt->type = TextBox; // FileName;
12951 } else if((p = strstr(opt->name, " -path "))) {
12952 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
12953 opt->textValue = p+7;
12954 opt->type = TextBox; // PathName;
12955 } else if(p = strstr(opt->name, " -check ")) {
12956 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
12957 opt->value = (def != 0);
12958 opt->type = CheckBox;
12959 } else if(p = strstr(opt->name, " -combo ")) {
12960 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
12961 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
12962 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
12963 opt->value = n = 0;
12964 while(q = StrStr(q, " /// ")) {
12965 n++; *q = 0; // count choices, and null-terminate each of them
12967 if(*q == '*') { // remember default, which is marked with * prefix
12971 cps->comboList[cps->comboCnt++] = q;
12973 cps->comboList[cps->comboCnt++] = NULL;
12975 opt->type = ComboBox;
12976 } else if(p = strstr(opt->name, " -button")) {
12977 opt->type = Button;
12978 } else if(p = strstr(opt->name, " -save")) {
12979 opt->type = SaveButton;
12980 } else return FALSE;
12981 *p = 0; // terminate option name
12982 // now look if the command-line options define a setting for this engine option.
12983 if(cps->optionSettings && cps->optionSettings[0])
12984 p = strstr(cps->optionSettings, opt->name); else p = NULL;
12985 if(p && (p == cps->optionSettings || p[-1] == ',')) {
12986 sprintf(buf, "option %s", p);
12987 if(p = strstr(buf, ",")) *p = 0;
12989 SendToProgram(buf, cps);
12995 FeatureDone(cps, val)
12996 ChessProgramState* cps;
12999 DelayedEventCallback cb = GetDelayedEvent();
13000 if ((cb == InitBackEnd3 && cps == &first) ||
13001 (cb == TwoMachinesEventIfReady && cps == &second)) {
13002 CancelDelayedEvent();
13003 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
13005 cps->initDone = val;
13008 /* Parse feature command from engine */
13010 ParseFeatures(args, cps)
13012 ChessProgramState *cps;
13020 while (*p == ' ') p++;
13021 if (*p == NULLCHAR) return;
13023 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
13024 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
13025 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
13026 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
13027 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
13028 if (BoolFeature(&p, "reuse", &val, cps)) {
13029 /* Engine can disable reuse, but can't enable it if user said no */
13030 if (!val) cps->reuse = FALSE;
13033 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
13034 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
13035 if (gameMode == TwoMachinesPlay) {
13036 DisplayTwoMachinesTitle();
13042 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
13043 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
13044 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
13045 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
13046 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
13047 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
13048 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
13049 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
13050 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
13051 if (IntFeature(&p, "done", &val, cps)) {
13052 FeatureDone(cps, val);
13055 /* Added by Tord: */
13056 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
13057 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
13058 /* End of additions by Tord */
13060 /* [HGM] added features: */
13061 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
13062 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
13063 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
13064 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
13065 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13066 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
13067 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
13068 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
13069 sprintf(buf, "rejected option %s\n", cps->option[--cps->nrOptions].name);
13070 SendToProgram(buf, cps);
13073 if(cps->nrOptions >= MAX_OPTIONS) {
13075 sprintf(buf, "%s engine has too many options\n", cps->which);
13076 DisplayError(buf, 0);
13080 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13081 /* End of additions by HGM */
13083 /* unknown feature: complain and skip */
13085 while (*q && *q != '=') q++;
13086 sprintf(buf, "rejected %.*s\n", (int)(q-p), p);
13087 SendToProgram(buf, cps);
13093 while (*p && *p != '\"') p++;
13094 if (*p == '\"') p++;
13096 while (*p && *p != ' ') p++;
13104 PeriodicUpdatesEvent(newState)
13107 if (newState == appData.periodicUpdates)
13110 appData.periodicUpdates=newState;
13112 /* Display type changes, so update it now */
13113 // DisplayAnalysis();
13115 /* Get the ball rolling again... */
13117 AnalysisPeriodicEvent(1);
13118 StartAnalysisClock();
13123 PonderNextMoveEvent(newState)
13126 if (newState == appData.ponderNextMove) return;
13127 if (gameMode == EditPosition) EditPositionDone(TRUE);
13129 SendToProgram("hard\n", &first);
13130 if (gameMode == TwoMachinesPlay) {
13131 SendToProgram("hard\n", &second);
13134 SendToProgram("easy\n", &first);
13135 thinkOutput[0] = NULLCHAR;
13136 if (gameMode == TwoMachinesPlay) {
13137 SendToProgram("easy\n", &second);
13140 appData.ponderNextMove = newState;
13144 NewSettingEvent(option, command, value)
13150 if (gameMode == EditPosition) EditPositionDone(TRUE);
13151 sprintf(buf, "%s%s %d\n", (option ? "option ": ""), command, value);
13152 SendToProgram(buf, &first);
13153 if (gameMode == TwoMachinesPlay) {
13154 SendToProgram(buf, &second);
13159 ShowThinkingEvent()
13160 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
13162 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
13163 int newState = appData.showThinking
13164 // [HGM] thinking: other features now need thinking output as well
13165 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
13167 if (oldState == newState) return;
13168 oldState = newState;
13169 if (gameMode == EditPosition) EditPositionDone(TRUE);
13171 SendToProgram("post\n", &first);
13172 if (gameMode == TwoMachinesPlay) {
13173 SendToProgram("post\n", &second);
13176 SendToProgram("nopost\n", &first);
13177 thinkOutput[0] = NULLCHAR;
13178 if (gameMode == TwoMachinesPlay) {
13179 SendToProgram("nopost\n", &second);
13182 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
13186 AskQuestionEvent(title, question, replyPrefix, which)
13187 char *title; char *question; char *replyPrefix; char *which;
13189 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
13190 if (pr == NoProc) return;
13191 AskQuestion(title, question, replyPrefix, pr);
13195 DisplayMove(moveNumber)
13198 char message[MSG_SIZ];
13200 char cpThinkOutput[MSG_SIZ];
13202 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
13204 if (moveNumber == forwardMostMove - 1 ||
13205 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13207 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput));
13209 if (strchr(cpThinkOutput, '\n')) {
13210 *strchr(cpThinkOutput, '\n') = NULLCHAR;
13213 *cpThinkOutput = NULLCHAR;
13216 /* [AS] Hide thinking from human user */
13217 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
13218 *cpThinkOutput = NULLCHAR;
13219 if( thinkOutput[0] != NULLCHAR ) {
13222 for( i=0; i<=hiddenThinkOutputState; i++ ) {
13223 cpThinkOutput[i] = '.';
13225 cpThinkOutput[i] = NULLCHAR;
13226 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
13230 if (moveNumber == forwardMostMove - 1 &&
13231 gameInfo.resultDetails != NULL) {
13232 if (gameInfo.resultDetails[0] == NULLCHAR) {
13233 sprintf(res, " %s", PGNResult(gameInfo.result));
13235 sprintf(res, " {%s} %s",
13236 gameInfo.resultDetails, PGNResult(gameInfo.result));
13242 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
13243 DisplayMessage(res, cpThinkOutput);
13245 sprintf(message, "%d.%s%s%s", moveNumber / 2 + 1,
13246 WhiteOnMove(moveNumber) ? " " : ".. ",
13247 parseList[moveNumber], res);
13248 DisplayMessage(message, cpThinkOutput);
13253 DisplayComment(moveNumber, text)
13257 char title[MSG_SIZ];
13258 char buf[8000]; // comment can be long!
13261 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
13262 strcpy(title, "Comment");
13264 sprintf(title, "Comment on %d.%s%s", moveNumber / 2 + 1,
13265 WhiteOnMove(moveNumber) ? " " : ".. ",
13266 parseList[moveNumber]);
13268 // [HGM] PV info: display PV info together with (or as) comment
13269 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
13270 if(text == NULL) text = "";
13271 score = pvInfoList[moveNumber].score;
13272 sprintf(buf, "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
13273 depth, (pvInfoList[moveNumber].time+50)/100, text);
13276 if (text != NULL && (appData.autoDisplayComment || commentUp))
13277 CommentPopUp(title, text);
13280 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
13281 * might be busy thinking or pondering. It can be omitted if your
13282 * gnuchess is configured to stop thinking immediately on any user
13283 * input. However, that gnuchess feature depends on the FIONREAD
13284 * ioctl, which does not work properly on some flavors of Unix.
13288 ChessProgramState *cps;
13291 if (!cps->useSigint) return;
13292 if (appData.noChessProgram || (cps->pr == NoProc)) return;
13293 switch (gameMode) {
13294 case MachinePlaysWhite:
13295 case MachinePlaysBlack:
13296 case TwoMachinesPlay:
13297 case IcsPlayingWhite:
13298 case IcsPlayingBlack:
13301 /* Skip if we know it isn't thinking */
13302 if (!cps->maybeThinking) return;
13303 if (appData.debugMode)
13304 fprintf(debugFP, "Interrupting %s\n", cps->which);
13305 InterruptChildProcess(cps->pr);
13306 cps->maybeThinking = FALSE;
13311 #endif /*ATTENTION*/
13317 if (whiteTimeRemaining <= 0) {
13320 if (appData.icsActive) {
13321 if (appData.autoCallFlag &&
13322 gameMode == IcsPlayingBlack && !blackFlag) {
13323 SendToICS(ics_prefix);
13324 SendToICS("flag\n");
13328 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
13330 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
13331 if (appData.autoCallFlag) {
13332 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
13339 if (blackTimeRemaining <= 0) {
13342 if (appData.icsActive) {
13343 if (appData.autoCallFlag &&
13344 gameMode == IcsPlayingWhite && !whiteFlag) {
13345 SendToICS(ics_prefix);
13346 SendToICS("flag\n");
13350 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
13352 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
13353 if (appData.autoCallFlag) {
13354 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
13367 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
13368 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
13371 * add time to clocks when time control is achieved ([HGM] now also used for increment)
13373 if ( !WhiteOnMove(forwardMostMove) )
13374 /* White made time control */
13375 whiteTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
13376 /* [HGM] time odds: correct new time quota for time odds! */
13377 / WhitePlayer()->timeOdds;
13379 /* Black made time control */
13380 blackTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
13381 / WhitePlayer()->other->timeOdds;
13385 DisplayBothClocks()
13387 int wom = gameMode == EditPosition ?
13388 !blackPlaysFirst : WhiteOnMove(currentMove);
13389 DisplayWhiteClock(whiteTimeRemaining, wom);
13390 DisplayBlackClock(blackTimeRemaining, !wom);
13394 /* Timekeeping seems to be a portability nightmare. I think everyone
13395 has ftime(), but I'm really not sure, so I'm including some ifdefs
13396 to use other calls if you don't. Clocks will be less accurate if
13397 you have neither ftime nor gettimeofday.
13400 /* VS 2008 requires the #include outside of the function */
13401 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
13402 #include <sys/timeb.h>
13405 /* Get the current time as a TimeMark */
13410 #if HAVE_GETTIMEOFDAY
13412 struct timeval timeVal;
13413 struct timezone timeZone;
13415 gettimeofday(&timeVal, &timeZone);
13416 tm->sec = (long) timeVal.tv_sec;
13417 tm->ms = (int) (timeVal.tv_usec / 1000L);
13419 #else /*!HAVE_GETTIMEOFDAY*/
13422 // include <sys/timeb.h> / moved to just above start of function
13423 struct timeb timeB;
13426 tm->sec = (long) timeB.time;
13427 tm->ms = (int) timeB.millitm;
13429 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
13430 tm->sec = (long) time(NULL);
13436 /* Return the difference in milliseconds between two
13437 time marks. We assume the difference will fit in a long!
13440 SubtractTimeMarks(tm2, tm1)
13441 TimeMark *tm2, *tm1;
13443 return 1000L*(tm2->sec - tm1->sec) +
13444 (long) (tm2->ms - tm1->ms);
13449 * Code to manage the game clocks.
13451 * In tournament play, black starts the clock and then white makes a move.
13452 * We give the human user a slight advantage if he is playing white---the
13453 * clocks don't run until he makes his first move, so it takes zero time.
13454 * Also, we don't account for network lag, so we could get out of sync
13455 * with GNU Chess's clock -- but then, referees are always right.
13458 static TimeMark tickStartTM;
13459 static long intendedTickLength;
13462 NextTickLength(timeRemaining)
13463 long timeRemaining;
13465 long nominalTickLength, nextTickLength;
13467 if (timeRemaining > 0L && timeRemaining <= 10000L)
13468 nominalTickLength = 100L;
13470 nominalTickLength = 1000L;
13471 nextTickLength = timeRemaining % nominalTickLength;
13472 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
13474 return nextTickLength;
13477 /* Adjust clock one minute up or down */
13479 AdjustClock(Boolean which, int dir)
13481 if(which) blackTimeRemaining += 60000*dir;
13482 else whiteTimeRemaining += 60000*dir;
13483 DisplayBothClocks();
13486 /* Stop clocks and reset to a fresh time control */
13490 (void) StopClockTimer();
13491 if (appData.icsActive) {
13492 whiteTimeRemaining = blackTimeRemaining = 0;
13493 } else if (searchTime) {
13494 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
13495 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
13496 } else { /* [HGM] correct new time quote for time odds */
13497 whiteTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->timeOdds;
13498 blackTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->other->timeOdds;
13500 if (whiteFlag || blackFlag) {
13502 whiteFlag = blackFlag = FALSE;
13504 DisplayBothClocks();
13507 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
13509 /* Decrement running clock by amount of time that has passed */
13513 long timeRemaining;
13514 long lastTickLength, fudge;
13517 if (!appData.clockMode) return;
13518 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
13522 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
13524 /* Fudge if we woke up a little too soon */
13525 fudge = intendedTickLength - lastTickLength;
13526 if (fudge < 0 || fudge > FUDGE) fudge = 0;
13528 if (WhiteOnMove(forwardMostMove)) {
13529 if(whiteNPS >= 0) lastTickLength = 0;
13530 timeRemaining = whiteTimeRemaining -= lastTickLength;
13531 DisplayWhiteClock(whiteTimeRemaining - fudge,
13532 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
13534 if(blackNPS >= 0) lastTickLength = 0;
13535 timeRemaining = blackTimeRemaining -= lastTickLength;
13536 DisplayBlackClock(blackTimeRemaining - fudge,
13537 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
13540 if (CheckFlags()) return;
13543 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
13544 StartClockTimer(intendedTickLength);
13546 /* if the time remaining has fallen below the alarm threshold, sound the
13547 * alarm. if the alarm has sounded and (due to a takeback or time control
13548 * with increment) the time remaining has increased to a level above the
13549 * threshold, reset the alarm so it can sound again.
13552 if (appData.icsActive && appData.icsAlarm) {
13554 /* make sure we are dealing with the user's clock */
13555 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
13556 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
13559 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
13560 alarmSounded = FALSE;
13561 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
13563 alarmSounded = TRUE;
13569 /* A player has just moved, so stop the previously running
13570 clock and (if in clock mode) start the other one.
13571 We redisplay both clocks in case we're in ICS mode, because
13572 ICS gives us an update to both clocks after every move.
13573 Note that this routine is called *after* forwardMostMove
13574 is updated, so the last fractional tick must be subtracted
13575 from the color that is *not* on move now.
13580 long lastTickLength;
13582 int flagged = FALSE;
13586 if (StopClockTimer() && appData.clockMode) {
13587 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
13588 if (WhiteOnMove(forwardMostMove)) {
13589 if(blackNPS >= 0) lastTickLength = 0;
13590 blackTimeRemaining -= lastTickLength;
13591 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
13592 // if(pvInfoList[forwardMostMove-1].time == -1)
13593 pvInfoList[forwardMostMove-1].time = // use GUI time
13594 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
13596 if(whiteNPS >= 0) lastTickLength = 0;
13597 whiteTimeRemaining -= lastTickLength;
13598 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
13599 // if(pvInfoList[forwardMostMove-1].time == -1)
13600 pvInfoList[forwardMostMove-1].time =
13601 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
13603 flagged = CheckFlags();
13605 CheckTimeControl();
13607 if (flagged || !appData.clockMode) return;
13609 switch (gameMode) {
13610 case MachinePlaysBlack:
13611 case MachinePlaysWhite:
13612 case BeginningOfGame:
13613 if (pausing) return;
13617 case PlayFromGameFile:
13625 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
13626 if(WhiteOnMove(forwardMostMove))
13627 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
13628 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
13632 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
13633 whiteTimeRemaining : blackTimeRemaining);
13634 StartClockTimer(intendedTickLength);
13638 /* Stop both clocks */
13642 long lastTickLength;
13645 if (!StopClockTimer()) return;
13646 if (!appData.clockMode) return;
13650 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
13651 if (WhiteOnMove(forwardMostMove)) {
13652 if(whiteNPS >= 0) lastTickLength = 0;
13653 whiteTimeRemaining -= lastTickLength;
13654 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
13656 if(blackNPS >= 0) lastTickLength = 0;
13657 blackTimeRemaining -= lastTickLength;
13658 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
13663 /* Start clock of player on move. Time may have been reset, so
13664 if clock is already running, stop and restart it. */
13668 (void) StopClockTimer(); /* in case it was running already */
13669 DisplayBothClocks();
13670 if (CheckFlags()) return;
13672 if (!appData.clockMode) return;
13673 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
13675 GetTimeMark(&tickStartTM);
13676 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
13677 whiteTimeRemaining : blackTimeRemaining);
13679 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
13680 whiteNPS = blackNPS = -1;
13681 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
13682 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
13683 whiteNPS = first.nps;
13684 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
13685 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
13686 blackNPS = first.nps;
13687 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
13688 whiteNPS = second.nps;
13689 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
13690 blackNPS = second.nps;
13691 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
13693 StartClockTimer(intendedTickLength);
13700 long second, minute, hour, day;
13702 static char buf[32];
13704 if (ms > 0 && ms <= 9900) {
13705 /* convert milliseconds to tenths, rounding up */
13706 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
13708 sprintf(buf, " %03.1f ", tenths/10.0);
13712 /* convert milliseconds to seconds, rounding up */
13713 /* use floating point to avoid strangeness of integer division
13714 with negative dividends on many machines */
13715 second = (long) floor(((double) (ms + 999L)) / 1000.0);
13722 day = second / (60 * 60 * 24);
13723 second = second % (60 * 60 * 24);
13724 hour = second / (60 * 60);
13725 second = second % (60 * 60);
13726 minute = second / 60;
13727 second = second % 60;
13730 sprintf(buf, " %s%ld:%02ld:%02ld:%02ld ",
13731 sign, day, hour, minute, second);
13733 sprintf(buf, " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
13735 sprintf(buf, " %s%2ld:%02ld ", sign, minute, second);
13742 * This is necessary because some C libraries aren't ANSI C compliant yet.
13745 StrStr(string, match)
13746 char *string, *match;
13750 length = strlen(match);
13752 for (i = strlen(string) - length; i >= 0; i--, string++)
13753 if (!strncmp(match, string, length))
13760 StrCaseStr(string, match)
13761 char *string, *match;
13765 length = strlen(match);
13767 for (i = strlen(string) - length; i >= 0; i--, string++) {
13768 for (j = 0; j < length; j++) {
13769 if (ToLower(match[j]) != ToLower(string[j]))
13772 if (j == length) return string;
13786 c1 = ToLower(*s1++);
13787 c2 = ToLower(*s2++);
13788 if (c1 > c2) return 1;
13789 if (c1 < c2) return -1;
13790 if (c1 == NULLCHAR) return 0;
13799 return isupper(c) ? tolower(c) : c;
13807 return islower(c) ? toupper(c) : c;
13809 #endif /* !_amigados */
13817 if ((ret = (char *) malloc(strlen(s) + 1))) {
13824 StrSavePtr(s, savePtr)
13825 char *s, **savePtr;
13830 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
13831 strcpy(*savePtr, s);
13843 clock = time((time_t *)NULL);
13844 tm = localtime(&clock);
13845 sprintf(buf, "%04d.%02d.%02d",
13846 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
13847 return StrSave(buf);
13852 PositionToFEN(move, overrideCastling)
13854 char *overrideCastling;
13856 int i, j, fromX, fromY, toX, toY;
13863 whiteToPlay = (gameMode == EditPosition) ?
13864 !blackPlaysFirst : (move % 2 == 0);
13867 /* Piece placement data */
13868 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13870 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
13871 if (boards[move][i][j] == EmptySquare) {
13873 } else { ChessSquare piece = boards[move][i][j];
13874 if (emptycount > 0) {
13875 if(emptycount<10) /* [HGM] can be >= 10 */
13876 *p++ = '0' + emptycount;
13877 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
13880 if(PieceToChar(piece) == '+') {
13881 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
13883 piece = (ChessSquare)(DEMOTED piece);
13885 *p++ = PieceToChar(piece);
13887 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
13888 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
13893 if (emptycount > 0) {
13894 if(emptycount<10) /* [HGM] can be >= 10 */
13895 *p++ = '0' + emptycount;
13896 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
13903 /* [HGM] print Crazyhouse or Shogi holdings */
13904 if( gameInfo.holdingsWidth ) {
13905 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
13907 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
13908 piece = boards[move][i][BOARD_WIDTH-1];
13909 if( piece != EmptySquare )
13910 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
13911 *p++ = PieceToChar(piece);
13913 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
13914 piece = boards[move][BOARD_HEIGHT-i-1][0];
13915 if( piece != EmptySquare )
13916 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
13917 *p++ = PieceToChar(piece);
13920 if( q == p ) *p++ = '-';
13926 *p++ = whiteToPlay ? 'w' : 'b';
13929 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
13930 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
13932 if(nrCastlingRights) {
13934 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
13935 /* [HGM] write directly from rights */
13936 if(boards[move][CASTLING][2] != NoRights &&
13937 boards[move][CASTLING][0] != NoRights )
13938 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
13939 if(boards[move][CASTLING][2] != NoRights &&
13940 boards[move][CASTLING][1] != NoRights )
13941 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
13942 if(boards[move][CASTLING][5] != NoRights &&
13943 boards[move][CASTLING][3] != NoRights )
13944 *p++ = boards[move][CASTLING][3] + AAA;
13945 if(boards[move][CASTLING][5] != NoRights &&
13946 boards[move][CASTLING][4] != NoRights )
13947 *p++ = boards[move][CASTLING][4] + AAA;
13950 /* [HGM] write true castling rights */
13951 if( nrCastlingRights == 6 ) {
13952 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
13953 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
13954 if(boards[move][CASTLING][1] == BOARD_LEFT &&
13955 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
13956 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
13957 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
13958 if(boards[move][CASTLING][4] == BOARD_LEFT &&
13959 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
13962 if (q == p) *p++ = '-'; /* No castling rights */
13966 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
13967 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier ) {
13968 /* En passant target square */
13969 if (move > backwardMostMove) {
13970 fromX = moveList[move - 1][0] - AAA;
13971 fromY = moveList[move - 1][1] - ONE;
13972 toX = moveList[move - 1][2] - AAA;
13973 toY = moveList[move - 1][3] - ONE;
13974 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
13975 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
13976 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
13978 /* 2-square pawn move just happened */
13980 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
13984 } else if(move == backwardMostMove) {
13985 // [HGM] perhaps we should always do it like this, and forget the above?
13986 if((signed char)boards[move][EP_STATUS] >= 0) {
13987 *p++ = boards[move][EP_STATUS] + AAA;
13988 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
13999 /* [HGM] find reversible plies */
14000 { int i = 0, j=move;
14002 if (appData.debugMode) { int k;
14003 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
14004 for(k=backwardMostMove; k<=forwardMostMove; k++)
14005 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
14009 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
14010 if( j == backwardMostMove ) i += initialRulePlies;
14011 sprintf(p, "%d ", i);
14012 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
14014 /* Fullmove number */
14015 sprintf(p, "%d", (move / 2) + 1);
14017 return StrSave(buf);
14021 ParseFEN(board, blackPlaysFirst, fen)
14023 int *blackPlaysFirst;
14033 /* [HGM] by default clear Crazyhouse holdings, if present */
14034 if(gameInfo.holdingsWidth) {
14035 for(i=0; i<BOARD_HEIGHT; i++) {
14036 board[i][0] = EmptySquare; /* black holdings */
14037 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
14038 board[i][1] = (ChessSquare) 0; /* black counts */
14039 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
14043 /* Piece placement data */
14044 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14047 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
14048 if (*p == '/') p++;
14049 emptycount = gameInfo.boardWidth - j;
14050 while (emptycount--)
14051 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14053 #if(BOARD_FILES >= 10)
14054 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
14055 p++; emptycount=10;
14056 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14057 while (emptycount--)
14058 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14060 } else if (isdigit(*p)) {
14061 emptycount = *p++ - '0';
14062 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
14063 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14064 while (emptycount--)
14065 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14066 } else if (*p == '+' || isalpha(*p)) {
14067 if (j >= gameInfo.boardWidth) return FALSE;
14069 piece = CharToPiece(*++p);
14070 if(piece == EmptySquare) return FALSE; /* unknown piece */
14071 piece = (ChessSquare) (PROMOTED piece ); p++;
14072 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
14073 } else piece = CharToPiece(*p++);
14075 if(piece==EmptySquare) return FALSE; /* unknown piece */
14076 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
14077 piece = (ChessSquare) (PROMOTED piece);
14078 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
14081 board[i][(j++)+gameInfo.holdingsWidth] = piece;
14087 while (*p == '/' || *p == ' ') p++;
14089 /* [HGM] look for Crazyhouse holdings here */
14090 while(*p==' ') p++;
14091 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
14093 if(*p == '-' ) *p++; /* empty holdings */ else {
14094 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
14095 /* if we would allow FEN reading to set board size, we would */
14096 /* have to add holdings and shift the board read so far here */
14097 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
14099 if((int) piece >= (int) BlackPawn ) {
14100 i = (int)piece - (int)BlackPawn;
14101 i = PieceToNumber((ChessSquare)i);
14102 if( i >= gameInfo.holdingsSize ) return FALSE;
14103 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
14104 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
14106 i = (int)piece - (int)WhitePawn;
14107 i = PieceToNumber((ChessSquare)i);
14108 if( i >= gameInfo.holdingsSize ) return FALSE;
14109 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
14110 board[i][BOARD_WIDTH-2]++; /* black holdings */
14114 if(*p == ']') *p++;
14117 while(*p == ' ') p++;
14122 *blackPlaysFirst = FALSE;
14125 *blackPlaysFirst = TRUE;
14131 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
14132 /* return the extra info in global variiables */
14134 /* set defaults in case FEN is incomplete */
14135 board[EP_STATUS] = EP_UNKNOWN;
14136 for(i=0; i<nrCastlingRights; i++ ) {
14137 board[CASTLING][i] =
14138 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
14139 } /* assume possible unless obviously impossible */
14140 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
14141 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
14142 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
14143 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
14144 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
14145 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
14148 while(*p==' ') p++;
14149 if(nrCastlingRights) {
14150 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
14151 /* castling indicator present, so default becomes no castlings */
14152 for(i=0; i<nrCastlingRights; i++ ) {
14153 board[CASTLING][i] = NoRights;
14156 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
14157 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
14158 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
14159 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
14160 char c = *p++; int whiteKingFile=-1, blackKingFile=-1;
14162 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
14163 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
14164 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
14168 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
14169 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
14170 board[CASTLING][2] = whiteKingFile;
14173 for(i=BOARD_LEFT; board[0][i]!=WhiteRook && i<whiteKingFile; i++);
14174 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
14175 board[CASTLING][2] = whiteKingFile;
14178 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
14179 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
14180 board[CASTLING][5] = blackKingFile;
14183 for(i=BOARD_LEFT; board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
14184 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
14185 board[CASTLING][5] = blackKingFile;
14188 default: /* FRC castlings */
14189 if(c >= 'a') { /* black rights */
14190 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
14191 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
14192 if(i == BOARD_RGHT) break;
14193 board[CASTLING][5] = i;
14195 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
14196 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
14198 board[CASTLING][3] = c;
14200 board[CASTLING][4] = c;
14201 } else { /* white rights */
14202 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
14203 if(board[0][i] == WhiteKing) break;
14204 if(i == BOARD_RGHT) break;
14205 board[CASTLING][2] = i;
14206 c -= AAA - 'a' + 'A';
14207 if(board[0][c] >= WhiteKing) break;
14209 board[CASTLING][0] = c;
14211 board[CASTLING][1] = c;
14215 if (appData.debugMode) {
14216 fprintf(debugFP, "FEN castling rights:");
14217 for(i=0; i<nrCastlingRights; i++)
14218 fprintf(debugFP, " %d", board[CASTLING][i]);
14219 fprintf(debugFP, "\n");
14222 while(*p==' ') p++;
14225 /* read e.p. field in games that know e.p. capture */
14226 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14227 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier ) {
14229 p++; board[EP_STATUS] = EP_NONE;
14231 char c = *p++ - AAA;
14233 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
14234 if(*p >= '0' && *p <='9') *p++;
14235 board[EP_STATUS] = c;
14240 if(sscanf(p, "%d", &i) == 1) {
14241 FENrulePlies = i; /* 50-move ply counter */
14242 /* (The move number is still ignored) */
14249 EditPositionPasteFEN(char *fen)
14252 Board initial_position;
14254 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
14255 DisplayError(_("Bad FEN position in clipboard"), 0);
14258 int savedBlackPlaysFirst = blackPlaysFirst;
14259 EditPositionEvent();
14260 blackPlaysFirst = savedBlackPlaysFirst;
14261 CopyBoard(boards[0], initial_position);
14262 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
14263 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
14264 DisplayBothClocks();
14265 DrawPosition(FALSE, boards[currentMove]);
14270 static char cseq[12] = "\\ ";
14272 Boolean set_cont_sequence(char *new_seq)
14277 // handle bad attempts to set the sequence
14279 return 0; // acceptable error - no debug
14281 len = strlen(new_seq);
14282 ret = (len > 0) && (len < sizeof(cseq));
14284 strcpy(cseq, new_seq);
14285 else if (appData.debugMode)
14286 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
14291 reformat a source message so words don't cross the width boundary. internal
14292 newlines are not removed. returns the wrapped size (no null character unless
14293 included in source message). If dest is NULL, only calculate the size required
14294 for the dest buffer. lp argument indicats line position upon entry, and it's
14295 passed back upon exit.
14297 int wrap(char *dest, char *src, int count, int width, int *lp)
14299 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
14301 cseq_len = strlen(cseq);
14302 old_line = line = *lp;
14303 ansi = len = clen = 0;
14305 for (i=0; i < count; i++)
14307 if (src[i] == '\033')
14310 // if we hit the width, back up
14311 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
14313 // store i & len in case the word is too long
14314 old_i = i, old_len = len;
14316 // find the end of the last word
14317 while (i && src[i] != ' ' && src[i] != '\n')
14323 // word too long? restore i & len before splitting it
14324 if ((old_i-i+clen) >= width)
14331 if (i && src[i-1] == ' ')
14334 if (src[i] != ' ' && src[i] != '\n')
14341 // now append the newline and continuation sequence
14346 strncpy(dest+len, cseq, cseq_len);
14354 dest[len] = src[i];
14358 if (src[i] == '\n')
14363 if (dest && appData.debugMode)
14365 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
14366 count, width, line, len, *lp);
14367 show_bytes(debugFP, src, count);
14368 fprintf(debugFP, "\ndest: ");
14369 show_bytes(debugFP, dest, len);
14370 fprintf(debugFP, "\n");
14372 *lp = dest ? line : old_line;
14377 // [HGM] vari: routines for shelving variations
14380 PushTail(int firstMove, int lastMove)
14382 int i, j, nrMoves = lastMove - firstMove;
14384 if(appData.icsActive) { // only in local mode
14385 forwardMostMove = currentMove; // mimic old ICS behavior
14388 if(storedGames >= MAX_VARIATIONS-1) return;
14390 // push current tail of game on stack
14391 savedResult[storedGames] = gameInfo.result;
14392 savedDetails[storedGames] = gameInfo.resultDetails;
14393 gameInfo.resultDetails = NULL;
14394 savedFirst[storedGames] = firstMove;
14395 savedLast [storedGames] = lastMove;
14396 savedFramePtr[storedGames] = framePtr;
14397 framePtr -= nrMoves; // reserve space for the boards
14398 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
14399 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
14400 for(j=0; j<MOVE_LEN; j++)
14401 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
14402 for(j=0; j<2*MOVE_LEN; j++)
14403 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
14404 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
14405 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
14406 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
14407 pvInfoList[firstMove+i-1].depth = 0;
14408 commentList[framePtr+i] = commentList[firstMove+i];
14409 commentList[firstMove+i] = NULL;
14413 forwardMostMove = currentMove; // truncte game so we can start variation
14414 if(storedGames == 1) GreyRevert(FALSE);
14418 PopTail(Boolean annotate)
14421 char buf[8000], moveBuf[20];
14423 if(appData.icsActive) return FALSE; // only in local mode
14424 if(!storedGames) return FALSE; // sanity
14427 ToNrEvent(savedFirst[storedGames]); // sets currentMove
14428 nrMoves = savedLast[storedGames] - currentMove;
14431 if(!WhiteOnMove(currentMove)) sprintf(buf, "(%d...", currentMove+2>>1);
14432 else strcpy(buf, "(");
14433 for(i=currentMove; i<forwardMostMove; i++) {
14435 sprintf(moveBuf, " %d. %s", i+2>>1, SavePart(parseList[i]));
14436 else sprintf(moveBuf, " %s", SavePart(parseList[i]));
14437 strcat(buf, moveBuf);
14438 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
14442 for(i=1; i<nrMoves; i++) { // copy last variation back
14443 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
14444 for(j=0; j<MOVE_LEN; j++)
14445 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
14446 for(j=0; j<2*MOVE_LEN; j++)
14447 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
14448 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
14449 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
14450 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
14451 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
14452 commentList[currentMove+i] = commentList[framePtr+i];
14453 commentList[framePtr+i] = NULL;
14455 if(annotate) AppendComment(currentMove+1, buf, FALSE);
14456 framePtr = savedFramePtr[storedGames];
14457 gameInfo.result = savedResult[storedGames];
14458 if(gameInfo.resultDetails != NULL) {
14459 free(gameInfo.resultDetails);
14461 gameInfo.resultDetails = savedDetails[storedGames];
14462 forwardMostMove = currentMove + nrMoves;
14463 if(storedGames == 0) GreyRevert(TRUE);
14469 { // remove all shelved variations
14471 for(i=0; i<storedGames; i++) {
14472 if(savedDetails[i])
14473 free(savedDetails[i]);
14474 savedDetails[i] = NULL;
14476 for(i=framePtr; i<MAX_MOVES; i++) {
14477 if(commentList[i]) free(commentList[i]);
14478 commentList[i] = NULL;
14480 framePtr = MAX_MOVES-1;