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, 2010 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 int Adjudicate P((ChessProgramState *cps));
171 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
172 void EditPositionDone P((Boolean fakeRights));
173 void PrintOpponents P((FILE *fp));
174 void PrintPosition P((FILE *fp, int move));
175 void StartChessProgram P((ChessProgramState *cps));
176 void SendToProgram P((char *message, ChessProgramState *cps));
177 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
178 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
179 char *buf, int count, int error));
180 void SendTimeControl P((ChessProgramState *cps,
181 int mps, long tc, int inc, int sd, int st));
182 char *TimeControlTagValue P((void));
183 void Attention P((ChessProgramState *cps));
184 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
185 void ResurrectChessProgram P((void));
186 void DisplayComment P((int moveNumber, char *text));
187 void DisplayMove P((int moveNumber));
189 void ParseGameHistory P((char *game));
190 void ParseBoard12 P((char *string));
191 void KeepAlive P((void));
192 void StartClocks P((void));
193 void SwitchClocks P((int nr));
194 void StopClocks P((void));
195 void ResetClocks P((void));
196 char *PGNDate P((void));
197 void SetGameInfo P((void));
198 Boolean ParseFEN P((Board board, int *blackPlaysFirst, char *fen));
199 int RegisterMove P((void));
200 void MakeRegisteredMove P((void));
201 void TruncateGame P((void));
202 int looking_at P((char *, int *, char *));
203 void CopyPlayerNameIntoFileName P((char **, char *));
204 char *SavePart P((char *));
205 int SaveGameOldStyle P((FILE *));
206 int SaveGamePGN P((FILE *));
207 void GetTimeMark P((TimeMark *));
208 long SubtractTimeMarks P((TimeMark *, TimeMark *));
209 int CheckFlags P((void));
210 long NextTickLength P((long));
211 void CheckTimeControl P((void));
212 void show_bytes P((FILE *, char *, int));
213 int string_to_rating P((char *str));
214 void ParseFeatures P((char* args, ChessProgramState *cps));
215 void InitBackEnd3 P((void));
216 void FeatureDone P((ChessProgramState* cps, int val));
217 void InitChessProgram P((ChessProgramState *cps, int setup));
218 void OutputKibitz(int window, char *text);
219 int PerpetualChase(int first, int last);
220 int EngineOutputIsUp();
221 void InitDrawingSizes(int x, int y);
224 extern void ConsoleCreate();
227 ChessProgramState *WhitePlayer();
228 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
229 int VerifyDisplayMode P(());
231 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
232 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
233 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
234 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
235 void ics_update_width P((int new_width));
236 extern char installDir[MSG_SIZ];
238 extern int tinyLayout, smallLayout;
239 ChessProgramStats programStats;
240 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
242 static int exiting = 0; /* [HGM] moved to top */
243 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
244 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
245 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
246 int partnerHighlight[2];
247 Boolean partnerBoardValid = 0;
248 char partnerStatus[MSG_SIZ];
250 Boolean originalFlip;
251 Boolean twoBoards = 0;
252 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
253 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
254 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
255 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
256 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
257 int opponentKibitzes;
258 int lastSavedGame; /* [HGM] save: ID of game */
259 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
260 extern int chatCount;
262 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
264 /* States for ics_getting_history */
266 #define H_REQUESTED 1
267 #define H_GOT_REQ_HEADER 2
268 #define H_GOT_UNREQ_HEADER 3
269 #define H_GETTING_MOVES 4
270 #define H_GOT_UNWANTED_HEADER 5
272 /* whosays values for GameEnds */
281 /* Maximum number of games in a cmail message */
282 #define CMAIL_MAX_GAMES 20
284 /* Different types of move when calling RegisterMove */
286 #define CMAIL_RESIGN 1
288 #define CMAIL_ACCEPT 3
290 /* Different types of result to remember for each game */
291 #define CMAIL_NOT_RESULT 0
292 #define CMAIL_OLD_RESULT 1
293 #define CMAIL_NEW_RESULT 2
295 /* Telnet protocol constants */
306 static char * safeStrCpy( char * dst, const char * src, size_t count )
308 assert( dst != NULL );
309 assert( src != NULL );
312 strncpy( dst, src, count );
313 dst[ count-1 ] = '\0';
317 /* Some compiler can't cast u64 to double
318 * This function do the job for us:
320 * We use the highest bit for cast, this only
321 * works if the highest bit is not
322 * in use (This should not happen)
324 * We used this for all compiler
327 u64ToDouble(u64 value)
330 u64 tmp = value & u64Const(0x7fffffffffffffff);
331 r = (double)(s64)tmp;
332 if (value & u64Const(0x8000000000000000))
333 r += 9.2233720368547758080e18; /* 2^63 */
337 /* Fake up flags for now, as we aren't keeping track of castling
338 availability yet. [HGM] Change of logic: the flag now only
339 indicates the type of castlings allowed by the rule of the game.
340 The actual rights themselves are maintained in the array
341 castlingRights, as part of the game history, and are not probed
347 int flags = F_ALL_CASTLE_OK;
348 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
349 switch (gameInfo.variant) {
351 flags &= ~F_ALL_CASTLE_OK;
352 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
353 flags |= F_IGNORE_CHECK;
355 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
358 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
360 case VariantKriegspiel:
361 flags |= F_KRIEGSPIEL_CAPTURE;
363 case VariantCapaRandom:
364 case VariantFischeRandom:
365 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
366 case VariantNoCastle:
367 case VariantShatranj:
370 flags &= ~F_ALL_CASTLE_OK;
378 FILE *gameFileFP, *debugFP;
381 [AS] Note: sometimes, the sscanf() function is used to parse the input
382 into a fixed-size buffer. Because of this, we must be prepared to
383 receive strings as long as the size of the input buffer, which is currently
384 set to 4K for Windows and 8K for the rest.
385 So, we must either allocate sufficiently large buffers here, or
386 reduce the size of the input buffer in the input reading part.
389 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
390 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
391 char thinkOutput1[MSG_SIZ*10];
393 ChessProgramState first, second;
395 /* premove variables */
398 int premoveFromX = 0;
399 int premoveFromY = 0;
400 int premovePromoChar = 0;
402 Boolean alarmSounded;
403 /* end premove variables */
405 char *ics_prefix = "$";
406 int ics_type = ICS_GENERIC;
408 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
409 int pauseExamForwardMostMove = 0;
410 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
411 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
412 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
413 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
414 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
415 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
416 int whiteFlag = FALSE, blackFlag = FALSE;
417 int userOfferedDraw = FALSE;
418 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
419 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
420 int cmailMoveType[CMAIL_MAX_GAMES];
421 long ics_clock_paused = 0;
422 ProcRef icsPR = NoProc, cmailPR = NoProc;
423 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
424 GameMode gameMode = BeginningOfGame;
425 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
426 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
427 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
428 int hiddenThinkOutputState = 0; /* [AS] */
429 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
430 int adjudicateLossPlies = 6;
431 char white_holding[64], black_holding[64];
432 TimeMark lastNodeCountTime;
433 long lastNodeCount=0;
434 int have_sent_ICS_logon = 0;
436 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement;
437 long timeControl_2; /* [AS] Allow separate time controls */
438 char *fullTimeControlString = NULL; /* [HGM] secondary TC: merge of MPS, TC and inc */
439 long timeRemaining[2][MAX_MOVES];
441 TimeMark programStartTime;
442 char ics_handle[MSG_SIZ];
443 int have_set_title = 0;
445 /* animateTraining preserves the state of appData.animate
446 * when Training mode is activated. This allows the
447 * response to be animated when appData.animate == TRUE and
448 * appData.animateDragging == TRUE.
450 Boolean animateTraining;
456 Board boards[MAX_MOVES];
457 /* [HGM] Following 7 needed for accurate legality tests: */
458 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
459 signed char initialRights[BOARD_FILES];
460 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
461 int initialRulePlies, FENrulePlies;
462 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
465 int mute; // mute all sounds
467 // [HGM] vari: next 12 to save and restore variations
468 #define MAX_VARIATIONS 10
469 int framePtr = MAX_MOVES-1; // points to free stack entry
471 int savedFirst[MAX_VARIATIONS];
472 int savedLast[MAX_VARIATIONS];
473 int savedFramePtr[MAX_VARIATIONS];
474 char *savedDetails[MAX_VARIATIONS];
475 ChessMove savedResult[MAX_VARIATIONS];
477 void PushTail P((int firstMove, int lastMove));
478 Boolean PopTail P((Boolean annotate));
479 void CleanupTail P((void));
481 ChessSquare FIDEArray[2][BOARD_FILES] = {
482 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
483 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
484 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
485 BlackKing, BlackBishop, BlackKnight, BlackRook }
488 ChessSquare twoKingsArray[2][BOARD_FILES] = {
489 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
490 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
491 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
492 BlackKing, BlackKing, BlackKnight, BlackRook }
495 ChessSquare KnightmateArray[2][BOARD_FILES] = {
496 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
497 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
498 { BlackRook, BlackMan, BlackBishop, BlackQueen,
499 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
502 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
503 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
504 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
505 { BlackLance, BlackAlfil, BlackMarshall, BlackAngel,
506 BlackKing, BlackMarshall, BlackAlfil, BlackLance }
509 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
510 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
511 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
512 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
513 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
516 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
517 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
518 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
519 { BlackRook, BlackKnight, BlackMan, BlackFerz,
520 BlackKing, BlackMan, BlackKnight, BlackRook }
524 #if (BOARD_FILES>=10)
525 ChessSquare ShogiArray[2][BOARD_FILES] = {
526 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
527 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
528 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
529 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
532 ChessSquare XiangqiArray[2][BOARD_FILES] = {
533 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
534 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
535 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
536 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
539 ChessSquare CapablancaArray[2][BOARD_FILES] = {
540 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
541 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
542 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
543 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
546 ChessSquare GreatArray[2][BOARD_FILES] = {
547 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
548 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
549 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
550 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
553 ChessSquare JanusArray[2][BOARD_FILES] = {
554 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
555 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
556 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
557 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
561 ChessSquare GothicArray[2][BOARD_FILES] = {
562 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
563 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
564 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
565 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
568 #define GothicArray CapablancaArray
572 ChessSquare FalconArray[2][BOARD_FILES] = {
573 { WhiteRook, WhiteKnight, WhiteBishop, WhiteLance, WhiteQueen,
574 WhiteKing, WhiteLance, WhiteBishop, WhiteKnight, WhiteRook },
575 { BlackRook, BlackKnight, BlackBishop, BlackLance, BlackQueen,
576 BlackKing, BlackLance, BlackBishop, BlackKnight, BlackRook }
579 #define FalconArray CapablancaArray
582 #else // !(BOARD_FILES>=10)
583 #define XiangqiPosition FIDEArray
584 #define CapablancaArray FIDEArray
585 #define GothicArray FIDEArray
586 #define GreatArray FIDEArray
587 #endif // !(BOARD_FILES>=10)
589 #if (BOARD_FILES>=12)
590 ChessSquare CourierArray[2][BOARD_FILES] = {
591 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
592 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
593 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
594 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
596 #else // !(BOARD_FILES>=12)
597 #define CourierArray CapablancaArray
598 #endif // !(BOARD_FILES>=12)
601 Board initialPosition;
604 /* Convert str to a rating. Checks for special cases of "----",
606 "++++", etc. Also strips ()'s */
608 string_to_rating(str)
611 while(*str && !isdigit(*str)) ++str;
613 return 0; /* One of the special "no rating" cases */
621 /* Init programStats */
622 programStats.movelist[0] = 0;
623 programStats.depth = 0;
624 programStats.nr_moves = 0;
625 programStats.moves_left = 0;
626 programStats.nodes = 0;
627 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
628 programStats.score = 0;
629 programStats.got_only_move = 0;
630 programStats.got_fail = 0;
631 programStats.line_is_book = 0;
637 int matched, min, sec;
639 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
641 GetTimeMark(&programStartTime);
642 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
645 programStats.ok_to_send = 1;
646 programStats.seen_stat = 0;
649 * Initialize game list
655 * Internet chess server status
657 if (appData.icsActive) {
658 appData.matchMode = FALSE;
659 appData.matchGames = 0;
661 appData.noChessProgram = !appData.zippyPlay;
663 appData.zippyPlay = FALSE;
664 appData.zippyTalk = FALSE;
665 appData.noChessProgram = TRUE;
667 if (*appData.icsHelper != NULLCHAR) {
668 appData.useTelnet = TRUE;
669 appData.telnetProgram = appData.icsHelper;
672 appData.zippyTalk = appData.zippyPlay = FALSE;
675 /* [AS] Initialize pv info list [HGM] and game state */
679 for( i=0; i<=framePtr; i++ ) {
680 pvInfoList[i].depth = -1;
681 boards[i][EP_STATUS] = EP_NONE;
682 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
687 * Parse timeControl resource
689 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
690 appData.movesPerSession)) {
692 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
693 DisplayFatalError(buf, 0, 2);
697 * Parse searchTime resource
699 if (*appData.searchTime != NULLCHAR) {
700 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
702 searchTime = min * 60;
703 } else if (matched == 2) {
704 searchTime = min * 60 + sec;
707 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
708 DisplayFatalError(buf, 0, 2);
712 /* [AS] Adjudication threshold */
713 adjudicateLossThreshold = appData.adjudicateLossThreshold;
715 first.which = "first";
716 second.which = "second";
717 first.maybeThinking = second.maybeThinking = FALSE;
718 first.pr = second.pr = NoProc;
719 first.isr = second.isr = NULL;
720 first.sendTime = second.sendTime = 2;
721 first.sendDrawOffers = 1;
722 if (appData.firstPlaysBlack) {
723 first.twoMachinesColor = "black\n";
724 second.twoMachinesColor = "white\n";
726 first.twoMachinesColor = "white\n";
727 second.twoMachinesColor = "black\n";
729 first.program = appData.firstChessProgram;
730 second.program = appData.secondChessProgram;
731 first.host = appData.firstHost;
732 second.host = appData.secondHost;
733 first.dir = appData.firstDirectory;
734 second.dir = appData.secondDirectory;
735 first.other = &second;
736 second.other = &first;
737 first.initString = appData.initString;
738 second.initString = appData.secondInitString;
739 first.computerString = appData.firstComputerString;
740 second.computerString = appData.secondComputerString;
741 first.useSigint = second.useSigint = TRUE;
742 first.useSigterm = second.useSigterm = TRUE;
743 first.reuse = appData.reuseFirst;
744 second.reuse = appData.reuseSecond;
745 first.nps = appData.firstNPS; // [HGM] nps: copy nodes per second
746 second.nps = appData.secondNPS;
747 first.useSetboard = second.useSetboard = FALSE;
748 first.useSAN = second.useSAN = FALSE;
749 first.usePing = second.usePing = FALSE;
750 first.lastPing = second.lastPing = 0;
751 first.lastPong = second.lastPong = 0;
752 first.usePlayother = second.usePlayother = FALSE;
753 first.useColors = second.useColors = TRUE;
754 first.useUsermove = second.useUsermove = FALSE;
755 first.sendICS = second.sendICS = FALSE;
756 first.sendName = second.sendName = appData.icsActive;
757 first.sdKludge = second.sdKludge = FALSE;
758 first.stKludge = second.stKludge = FALSE;
759 TidyProgramName(first.program, first.host, first.tidy);
760 TidyProgramName(second.program, second.host, second.tidy);
761 first.matchWins = second.matchWins = 0;
762 strcpy(first.variants, appData.variant);
763 strcpy(second.variants, appData.variant);
764 first.analysisSupport = second.analysisSupport = 2; /* detect */
765 first.analyzing = second.analyzing = FALSE;
766 first.initDone = second.initDone = FALSE;
768 /* New features added by Tord: */
769 first.useFEN960 = FALSE; second.useFEN960 = FALSE;
770 first.useOOCastle = TRUE; second.useOOCastle = TRUE;
771 /* End of new features added by Tord. */
772 first.fenOverride = appData.fenOverride1;
773 second.fenOverride = appData.fenOverride2;
775 /* [HGM] time odds: set factor for each machine */
776 first.timeOdds = appData.firstTimeOdds;
777 second.timeOdds = appData.secondTimeOdds;
779 if(appData.timeOddsMode) {
780 norm = first.timeOdds;
781 if(norm > second.timeOdds) norm = second.timeOdds;
783 first.timeOdds /= norm;
784 second.timeOdds /= norm;
787 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
788 first.accumulateTC = appData.firstAccumulateTC;
789 second.accumulateTC = appData.secondAccumulateTC;
790 first.maxNrOfSessions = second.maxNrOfSessions = 1;
793 first.debug = second.debug = FALSE;
794 first.supportsNPS = second.supportsNPS = UNKNOWN;
797 first.optionSettings = appData.firstOptions;
798 second.optionSettings = appData.secondOptions;
800 first.scoreIsAbsolute = appData.firstScoreIsAbsolute; /* [AS] */
801 second.scoreIsAbsolute = appData.secondScoreIsAbsolute; /* [AS] */
802 first.isUCI = appData.firstIsUCI; /* [AS] */
803 second.isUCI = appData.secondIsUCI; /* [AS] */
804 first.hasOwnBookUCI = appData.firstHasOwnBookUCI; /* [AS] */
805 second.hasOwnBookUCI = appData.secondHasOwnBookUCI; /* [AS] */
807 if (appData.firstProtocolVersion > PROTOVER ||
808 appData.firstProtocolVersion < 1) {
810 sprintf(buf, _("protocol version %d not supported"),
811 appData.firstProtocolVersion);
812 DisplayFatalError(buf, 0, 2);
814 first.protocolVersion = appData.firstProtocolVersion;
817 if (appData.secondProtocolVersion > PROTOVER ||
818 appData.secondProtocolVersion < 1) {
820 sprintf(buf, _("protocol version %d not supported"),
821 appData.secondProtocolVersion);
822 DisplayFatalError(buf, 0, 2);
824 second.protocolVersion = appData.secondProtocolVersion;
827 if (appData.icsActive) {
828 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
829 // } else if (*appData.searchTime != NULLCHAR || appData.noChessProgram) {
830 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
831 appData.clockMode = FALSE;
832 first.sendTime = second.sendTime = 0;
836 /* Override some settings from environment variables, for backward
837 compatibility. Unfortunately it's not feasible to have the env
838 vars just set defaults, at least in xboard. Ugh.
840 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
845 if (appData.noChessProgram) {
846 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
847 sprintf(programVersion, "%s", PACKAGE_STRING);
849 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
850 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
851 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
854 if (!appData.icsActive) {
856 /* Check for variants that are supported only in ICS mode,
857 or not at all. Some that are accepted here nevertheless
858 have bugs; see comments below.
860 VariantClass variant = StringToVariant(appData.variant);
862 case VariantBughouse: /* need four players and two boards */
863 case VariantKriegspiel: /* need to hide pieces and move details */
864 /* case VariantFischeRandom: (Fabien: moved below) */
865 sprintf(buf, _("Variant %s supported only in ICS mode"), appData.variant);
866 DisplayFatalError(buf, 0, 2);
870 case VariantLoadable:
880 sprintf(buf, _("Unknown variant name %s"), appData.variant);
881 DisplayFatalError(buf, 0, 2);
884 case VariantXiangqi: /* [HGM] repetition rules not implemented */
885 case VariantFairy: /* [HGM] TestLegality definitely off! */
886 case VariantGothic: /* [HGM] should work */
887 case VariantCapablanca: /* [HGM] should work */
888 case VariantCourier: /* [HGM] initial forced moves not implemented */
889 case VariantShogi: /* [HGM] drops not tested for legality */
890 case VariantKnightmate: /* [HGM] should work */
891 case VariantCylinder: /* [HGM] untested */
892 case VariantFalcon: /* [HGM] untested */
893 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
894 offboard interposition not understood */
895 case VariantNormal: /* definitely works! */
896 case VariantWildCastle: /* pieces not automatically shuffled */
897 case VariantNoCastle: /* pieces not automatically shuffled */
898 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
899 case VariantLosers: /* should work except for win condition,
900 and doesn't know captures are mandatory */
901 case VariantSuicide: /* should work except for win condition,
902 and doesn't know captures are mandatory */
903 case VariantGiveaway: /* should work except for win condition,
904 and doesn't know captures are mandatory */
905 case VariantTwoKings: /* should work */
906 case VariantAtomic: /* should work except for win condition */
907 case Variant3Check: /* should work except for win condition */
908 case VariantShatranj: /* should work except for all win conditions */
909 case VariantMakruk: /* should work except for daw countdown */
910 case VariantBerolina: /* might work if TestLegality is off */
911 case VariantCapaRandom: /* should work */
912 case VariantJanus: /* should work */
913 case VariantSuper: /* experimental */
914 case VariantGreat: /* experimental, requires legality testing to be off */
919 InitEngineUCI( installDir, &first ); // [HGM] moved here from winboard.c, to make available in xboard
920 InitEngineUCI( installDir, &second );
923 int NextIntegerFromString( char ** str, long * value )
928 while( *s == ' ' || *s == '\t' ) {
934 if( *s >= '0' && *s <= '9' ) {
935 while( *s >= '0' && *s <= '9' ) {
936 *value = *value * 10 + (*s - '0');
948 int NextTimeControlFromString( char ** str, long * value )
951 int result = NextIntegerFromString( str, &temp );
954 *value = temp * 60; /* Minutes */
957 result = NextIntegerFromString( str, &temp );
958 *value += temp; /* Seconds */
965 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc)
966 { /* [HGM] routine added to read '+moves/time' for secondary time control */
967 int result = -1; long temp, temp2;
969 if(**str != '+') return -1; // old params remain in force!
971 if( NextTimeControlFromString( str, &temp ) ) return -1;
974 /* time only: incremental or sudden-death time control */
975 if(**str == '+') { /* increment follows; read it */
977 if(result = NextIntegerFromString( str, &temp2)) return -1;
980 *moves = 0; *tc = temp * 1000;
982 } else if(temp % 60 != 0) return -1; /* moves was given as min:sec */
984 (*str)++; /* classical time control */
985 result = NextTimeControlFromString( str, &temp2);
994 int GetTimeQuota(int movenr)
995 { /* [HGM] get time to add from the multi-session time-control string */
996 int moves=1; /* kludge to force reading of first session */
997 long time, increment;
998 char *s = fullTimeControlString;
1000 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", fullTimeControlString);
1002 if(moves) NextSessionFromString(&s, &moves, &time, &increment);
1003 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
1004 if(movenr == -1) return time; /* last move before new session */
1005 if(!moves) return increment; /* current session is incremental */
1006 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1007 } while(movenr >= -1); /* try again for next session */
1009 return 0; // no new time quota on this move
1013 ParseTimeControl(tc, ti, mps)
1022 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1025 sprintf(buf, "+%d/%s+%d", mps, tc, ti);
1026 else sprintf(buf, "+%s+%d", tc, ti);
1029 sprintf(buf, "+%d/%s", mps, tc);
1030 else sprintf(buf, "+%s", tc);
1032 fullTimeControlString = StrSave(buf);
1034 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1039 /* Parse second time control */
1042 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1050 timeControl_2 = tc2 * 1000;
1060 timeControl = tc1 * 1000;
1063 timeIncrement = ti * 1000; /* convert to ms */
1064 movesPerSession = 0;
1067 movesPerSession = mps;
1075 if (appData.debugMode) {
1076 fprintf(debugFP, "%s\n", programVersion);
1079 set_cont_sequence(appData.wrapContSeq);
1080 if (appData.matchGames > 0) {
1081 appData.matchMode = TRUE;
1082 } else if (appData.matchMode) {
1083 appData.matchGames = 1;
1085 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1086 appData.matchGames = appData.sameColorGames;
1087 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1088 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1089 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1092 if (appData.noChessProgram || first.protocolVersion == 1) {
1095 /* kludge: allow timeout for initial "feature" commands */
1097 DisplayMessage("", _("Starting chess program"));
1098 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1103 InitBackEnd3 P((void))
1105 GameMode initialMode;
1109 InitChessProgram(&first, startedFromSetupPosition);
1111 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1112 free(programVersion);
1113 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1114 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1117 if (appData.icsActive) {
1119 /* [DM] Make a console window if needed [HGM] merged ifs */
1124 if (*appData.icsCommPort != NULLCHAR) {
1125 sprintf(buf, _("Could not open comm port %s"),
1126 appData.icsCommPort);
1128 snprintf(buf, sizeof(buf), _("Could not connect to host %s, port %s"),
1129 appData.icsHost, appData.icsPort);
1131 DisplayFatalError(buf, err, 1);
1136 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1138 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1139 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1140 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1141 } else if (appData.noChessProgram) {
1147 if (*appData.cmailGameName != NULLCHAR) {
1149 OpenLoopback(&cmailPR);
1151 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1155 DisplayMessage("", "");
1156 if (StrCaseCmp(appData.initialMode, "") == 0) {
1157 initialMode = BeginningOfGame;
1158 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1159 initialMode = TwoMachinesPlay;
1160 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1161 initialMode = AnalyzeFile;
1162 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1163 initialMode = AnalyzeMode;
1164 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1165 initialMode = MachinePlaysWhite;
1166 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1167 initialMode = MachinePlaysBlack;
1168 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1169 initialMode = EditGame;
1170 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1171 initialMode = EditPosition;
1172 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1173 initialMode = Training;
1175 sprintf(buf, _("Unknown initialMode %s"), appData.initialMode);
1176 DisplayFatalError(buf, 0, 2);
1180 if (appData.matchMode) {
1181 /* Set up machine vs. machine match */
1182 if (appData.noChessProgram) {
1183 DisplayFatalError(_("Can't have a match with no chess programs"),
1189 if (*appData.loadGameFile != NULLCHAR) {
1190 int index = appData.loadGameIndex; // [HGM] autoinc
1191 if(index<0) lastIndex = index = 1;
1192 if (!LoadGameFromFile(appData.loadGameFile,
1194 appData.loadGameFile, FALSE)) {
1195 DisplayFatalError(_("Bad game file"), 0, 1);
1198 } else if (*appData.loadPositionFile != NULLCHAR) {
1199 int index = appData.loadPositionIndex; // [HGM] autoinc
1200 if(index<0) lastIndex = index = 1;
1201 if (!LoadPositionFromFile(appData.loadPositionFile,
1203 appData.loadPositionFile)) {
1204 DisplayFatalError(_("Bad position file"), 0, 1);
1209 } else if (*appData.cmailGameName != NULLCHAR) {
1210 /* Set up cmail mode */
1211 ReloadCmailMsgEvent(TRUE);
1213 /* Set up other modes */
1214 if (initialMode == AnalyzeFile) {
1215 if (*appData.loadGameFile == NULLCHAR) {
1216 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1220 if (*appData.loadGameFile != NULLCHAR) {
1221 (void) LoadGameFromFile(appData.loadGameFile,
1222 appData.loadGameIndex,
1223 appData.loadGameFile, TRUE);
1224 } else if (*appData.loadPositionFile != NULLCHAR) {
1225 (void) LoadPositionFromFile(appData.loadPositionFile,
1226 appData.loadPositionIndex,
1227 appData.loadPositionFile);
1228 /* [HGM] try to make self-starting even after FEN load */
1229 /* to allow automatic setup of fairy variants with wtm */
1230 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1231 gameMode = BeginningOfGame;
1232 setboardSpoiledMachineBlack = 1;
1234 /* [HGM] loadPos: make that every new game uses the setup */
1235 /* from file as long as we do not switch variant */
1236 if(!blackPlaysFirst) {
1237 startedFromPositionFile = TRUE;
1238 CopyBoard(filePosition, boards[0]);
1241 if (initialMode == AnalyzeMode) {
1242 if (appData.noChessProgram) {
1243 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1246 if (appData.icsActive) {
1247 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1251 } else if (initialMode == AnalyzeFile) {
1252 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1253 ShowThinkingEvent();
1255 AnalysisPeriodicEvent(1);
1256 } else if (initialMode == MachinePlaysWhite) {
1257 if (appData.noChessProgram) {
1258 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1262 if (appData.icsActive) {
1263 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1267 MachineWhiteEvent();
1268 } else if (initialMode == MachinePlaysBlack) {
1269 if (appData.noChessProgram) {
1270 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1274 if (appData.icsActive) {
1275 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1279 MachineBlackEvent();
1280 } else if (initialMode == TwoMachinesPlay) {
1281 if (appData.noChessProgram) {
1282 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1286 if (appData.icsActive) {
1287 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1292 } else if (initialMode == EditGame) {
1294 } else if (initialMode == EditPosition) {
1295 EditPositionEvent();
1296 } else if (initialMode == Training) {
1297 if (*appData.loadGameFile == NULLCHAR) {
1298 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1307 * Establish will establish a contact to a remote host.port.
1308 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1309 * used to talk to the host.
1310 * Returns 0 if okay, error code if not.
1317 if (*appData.icsCommPort != NULLCHAR) {
1318 /* Talk to the host through a serial comm port */
1319 return OpenCommPort(appData.icsCommPort, &icsPR);
1321 } else if (*appData.gateway != NULLCHAR) {
1322 if (*appData.remoteShell == NULLCHAR) {
1323 /* Use the rcmd protocol to run telnet program on a gateway host */
1324 snprintf(buf, sizeof(buf), "%s %s %s",
1325 appData.telnetProgram, appData.icsHost, appData.icsPort);
1326 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1329 /* Use the rsh program to run telnet program on a gateway host */
1330 if (*appData.remoteUser == NULLCHAR) {
1331 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1332 appData.gateway, appData.telnetProgram,
1333 appData.icsHost, appData.icsPort);
1335 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1336 appData.remoteShell, appData.gateway,
1337 appData.remoteUser, appData.telnetProgram,
1338 appData.icsHost, appData.icsPort);
1340 return StartChildProcess(buf, "", &icsPR);
1343 } else if (appData.useTelnet) {
1344 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1347 /* TCP socket interface differs somewhat between
1348 Unix and NT; handle details in the front end.
1350 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1354 void EscapeExpand(char *p, char *q)
1355 { // [HGM] initstring: routine to shape up string arguments
1356 while(*p++ = *q++) if(p[-1] == '\\')
1358 case 'n': p[-1] = '\n'; break;
1359 case 'r': p[-1] = '\r'; break;
1360 case 't': p[-1] = '\t'; break;
1361 case '\\': p[-1] = '\\'; break;
1362 case 0: *p = 0; return;
1363 default: p[-1] = q[-1]; break;
1368 show_bytes(fp, buf, count)
1374 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1375 fprintf(fp, "\\%03o", *buf & 0xff);
1384 /* Returns an errno value */
1386 OutputMaybeTelnet(pr, message, count, outError)
1392 char buf[8192], *p, *q, *buflim;
1393 int left, newcount, outcount;
1395 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1396 *appData.gateway != NULLCHAR) {
1397 if (appData.debugMode) {
1398 fprintf(debugFP, ">ICS: ");
1399 show_bytes(debugFP, message, count);
1400 fprintf(debugFP, "\n");
1402 return OutputToProcess(pr, message, count, outError);
1405 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1412 if (appData.debugMode) {
1413 fprintf(debugFP, ">ICS: ");
1414 show_bytes(debugFP, buf, newcount);
1415 fprintf(debugFP, "\n");
1417 outcount = OutputToProcess(pr, buf, newcount, outError);
1418 if (outcount < newcount) return -1; /* to be sure */
1425 } else if (((unsigned char) *p) == TN_IAC) {
1426 *q++ = (char) TN_IAC;
1433 if (appData.debugMode) {
1434 fprintf(debugFP, ">ICS: ");
1435 show_bytes(debugFP, buf, newcount);
1436 fprintf(debugFP, "\n");
1438 outcount = OutputToProcess(pr, buf, newcount, outError);
1439 if (outcount < newcount) return -1; /* to be sure */
1444 read_from_player(isr, closure, message, count, error)
1451 int outError, outCount;
1452 static int gotEof = 0;
1454 /* Pass data read from player on to ICS */
1457 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1458 if (outCount < count) {
1459 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1461 } else if (count < 0) {
1462 RemoveInputSource(isr);
1463 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1464 } else if (gotEof++ > 0) {
1465 RemoveInputSource(isr);
1466 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1472 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1473 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1474 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1475 SendToICS("date\n");
1476 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1479 /* added routine for printf style output to ics */
1480 void ics_printf(char *format, ...)
1482 char buffer[MSG_SIZ];
1485 va_start(args, format);
1486 vsnprintf(buffer, sizeof(buffer), format, args);
1487 buffer[sizeof(buffer)-1] = '\0';
1496 int count, outCount, outError;
1498 if (icsPR == NULL) return;
1501 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1502 if (outCount < count) {
1503 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1507 /* This is used for sending logon scripts to the ICS. Sending
1508 without a delay causes problems when using timestamp on ICC
1509 (at least on my machine). */
1511 SendToICSDelayed(s,msdelay)
1515 int count, outCount, outError;
1517 if (icsPR == NULL) return;
1520 if (appData.debugMode) {
1521 fprintf(debugFP, ">ICS: ");
1522 show_bytes(debugFP, s, count);
1523 fprintf(debugFP, "\n");
1525 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1527 if (outCount < count) {
1528 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1533 /* Remove all highlighting escape sequences in s
1534 Also deletes any suffix starting with '('
1537 StripHighlightAndTitle(s)
1540 static char retbuf[MSG_SIZ];
1543 while (*s != NULLCHAR) {
1544 while (*s == '\033') {
1545 while (*s != NULLCHAR && !isalpha(*s)) s++;
1546 if (*s != NULLCHAR) s++;
1548 while (*s != NULLCHAR && *s != '\033') {
1549 if (*s == '(' || *s == '[') {
1560 /* Remove all highlighting escape sequences in s */
1565 static char retbuf[MSG_SIZ];
1568 while (*s != NULLCHAR) {
1569 while (*s == '\033') {
1570 while (*s != NULLCHAR && !isalpha(*s)) s++;
1571 if (*s != NULLCHAR) s++;
1573 while (*s != NULLCHAR && *s != '\033') {
1581 char *variantNames[] = VARIANT_NAMES;
1586 return variantNames[v];
1590 /* Identify a variant from the strings the chess servers use or the
1591 PGN Variant tag names we use. */
1598 VariantClass v = VariantNormal;
1599 int i, found = FALSE;
1604 /* [HGM] skip over optional board-size prefixes */
1605 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1606 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1607 while( *e++ != '_');
1610 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1614 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1615 if (StrCaseStr(e, variantNames[i])) {
1616 v = (VariantClass) i;
1623 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1624 || StrCaseStr(e, "wild/fr")
1625 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1626 v = VariantFischeRandom;
1627 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1628 (i = 1, p = StrCaseStr(e, "w"))) {
1630 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
1637 case 0: /* FICS only, actually */
1639 /* Castling legal even if K starts on d-file */
1640 v = VariantWildCastle;
1645 /* Castling illegal even if K & R happen to start in
1646 normal positions. */
1647 v = VariantNoCastle;
1660 /* Castling legal iff K & R start in normal positions */
1666 /* Special wilds for position setup; unclear what to do here */
1667 v = VariantLoadable;
1670 /* Bizarre ICC game */
1671 v = VariantTwoKings;
1674 v = VariantKriegspiel;
1680 v = VariantFischeRandom;
1683 v = VariantCrazyhouse;
1686 v = VariantBughouse;
1692 /* Not quite the same as FICS suicide! */
1693 v = VariantGiveaway;
1699 v = VariantShatranj;
1702 /* Temporary names for future ICC types. The name *will* change in
1703 the next xboard/WinBoard release after ICC defines it. */
1741 v = VariantCapablanca;
1744 v = VariantKnightmate;
1750 v = VariantCylinder;
1756 v = VariantCapaRandom;
1759 v = VariantBerolina;
1771 /* Found "wild" or "w" in the string but no number;
1772 must assume it's normal chess. */
1776 sprintf(buf, _("Unknown wild type %d"), wnum);
1777 DisplayError(buf, 0);
1783 if (appData.debugMode) {
1784 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
1785 e, wnum, VariantName(v));
1790 static int leftover_start = 0, leftover_len = 0;
1791 char star_match[STAR_MATCH_N][MSG_SIZ];
1793 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
1794 advance *index beyond it, and set leftover_start to the new value of
1795 *index; else return FALSE. If pattern contains the character '*', it
1796 matches any sequence of characters not containing '\r', '\n', or the
1797 character following the '*' (if any), and the matched sequence(s) are
1798 copied into star_match.
1801 looking_at(buf, index, pattern)
1806 char *bufp = &buf[*index], *patternp = pattern;
1808 char *matchp = star_match[0];
1811 if (*patternp == NULLCHAR) {
1812 *index = leftover_start = bufp - buf;
1816 if (*bufp == NULLCHAR) return FALSE;
1817 if (*patternp == '*') {
1818 if (*bufp == *(patternp + 1)) {
1820 matchp = star_match[++star_count];
1824 } else if (*bufp == '\n' || *bufp == '\r') {
1826 if (*patternp == NULLCHAR)
1831 *matchp++ = *bufp++;
1835 if (*patternp != *bufp) return FALSE;
1842 SendToPlayer(data, length)
1846 int error, outCount;
1847 outCount = OutputToProcess(NoProc, data, length, &error);
1848 if (outCount < length) {
1849 DisplayFatalError(_("Error writing to display"), error, 1);
1854 PackHolding(packed, holding)
1866 switch (runlength) {
1877 sprintf(q, "%d", runlength);
1889 /* Telnet protocol requests from the front end */
1891 TelnetRequest(ddww, option)
1892 unsigned char ddww, option;
1894 unsigned char msg[3];
1895 int outCount, outError;
1897 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
1899 if (appData.debugMode) {
1900 char buf1[8], buf2[8], *ddwwStr, *optionStr;
1916 sprintf(buf1, "%d", ddww);
1925 sprintf(buf2, "%d", option);
1928 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
1933 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
1935 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1942 if (!appData.icsActive) return;
1943 TelnetRequest(TN_DO, TN_ECHO);
1949 if (!appData.icsActive) return;
1950 TelnetRequest(TN_DONT, TN_ECHO);
1954 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
1956 /* put the holdings sent to us by the server on the board holdings area */
1957 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
1961 if(gameInfo.holdingsWidth < 2) return;
1962 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
1963 return; // prevent overwriting by pre-board holdings
1965 if( (int)lowestPiece >= BlackPawn ) {
1968 holdingsStartRow = BOARD_HEIGHT-1;
1971 holdingsColumn = BOARD_WIDTH-1;
1972 countsColumn = BOARD_WIDTH-2;
1973 holdingsStartRow = 0;
1977 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
1978 board[i][holdingsColumn] = EmptySquare;
1979 board[i][countsColumn] = (ChessSquare) 0;
1981 while( (p=*holdings++) != NULLCHAR ) {
1982 piece = CharToPiece( ToUpper(p) );
1983 if(piece == EmptySquare) continue;
1984 /*j = (int) piece - (int) WhitePawn;*/
1985 j = PieceToNumber(piece);
1986 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
1987 if(j < 0) continue; /* should not happen */
1988 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
1989 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
1990 board[holdingsStartRow+j*direction][countsColumn]++;
1996 VariantSwitch(Board board, VariantClass newVariant)
1998 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
1999 static Board oldBoard;
2001 startedFromPositionFile = FALSE;
2002 if(gameInfo.variant == newVariant) return;
2004 /* [HGM] This routine is called each time an assignment is made to
2005 * gameInfo.variant during a game, to make sure the board sizes
2006 * are set to match the new variant. If that means adding or deleting
2007 * holdings, we shift the playing board accordingly
2008 * This kludge is needed because in ICS observe mode, we get boards
2009 * of an ongoing game without knowing the variant, and learn about the
2010 * latter only later. This can be because of the move list we requested,
2011 * in which case the game history is refilled from the beginning anyway,
2012 * but also when receiving holdings of a crazyhouse game. In the latter
2013 * case we want to add those holdings to the already received position.
2017 if (appData.debugMode) {
2018 fprintf(debugFP, "Switch board from %s to %s\n",
2019 VariantName(gameInfo.variant), VariantName(newVariant));
2020 setbuf(debugFP, NULL);
2022 shuffleOpenings = 0; /* [HGM] shuffle */
2023 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2027 newWidth = 9; newHeight = 9;
2028 gameInfo.holdingsSize = 7;
2029 case VariantBughouse:
2030 case VariantCrazyhouse:
2031 newHoldingsWidth = 2; break;
2035 newHoldingsWidth = 2;
2036 gameInfo.holdingsSize = 8;
2039 case VariantCapablanca:
2040 case VariantCapaRandom:
2043 newHoldingsWidth = gameInfo.holdingsSize = 0;
2046 if(newWidth != gameInfo.boardWidth ||
2047 newHeight != gameInfo.boardHeight ||
2048 newHoldingsWidth != gameInfo.holdingsWidth ) {
2050 /* shift position to new playing area, if needed */
2051 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2052 for(i=0; i<BOARD_HEIGHT; i++)
2053 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2054 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2056 for(i=0; i<newHeight; i++) {
2057 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2058 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2060 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2061 for(i=0; i<BOARD_HEIGHT; i++)
2062 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2063 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2066 gameInfo.boardWidth = newWidth;
2067 gameInfo.boardHeight = newHeight;
2068 gameInfo.holdingsWidth = newHoldingsWidth;
2069 gameInfo.variant = newVariant;
2070 InitDrawingSizes(-2, 0);
2071 } else gameInfo.variant = newVariant;
2072 CopyBoard(oldBoard, board); // remember correctly formatted board
2073 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2074 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2077 static int loggedOn = FALSE;
2079 /*-- Game start info cache: --*/
2081 char gs_kind[MSG_SIZ];
2082 static char player1Name[128] = "";
2083 static char player2Name[128] = "";
2084 static char cont_seq[] = "\n\\ ";
2085 static int player1Rating = -1;
2086 static int player2Rating = -1;
2087 /*----------------------------*/
2089 ColorClass curColor = ColorNormal;
2090 int suppressKibitz = 0;
2093 Boolean soughtPending = FALSE;
2094 Boolean seekGraphUp;
2095 #define MAX_SEEK_ADS 200
2097 char *seekAdList[MAX_SEEK_ADS];
2098 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2099 float tcList[MAX_SEEK_ADS];
2100 char colorList[MAX_SEEK_ADS];
2101 int nrOfSeekAds = 0;
2102 int minRating = 1010, maxRating = 2800;
2103 int hMargin = 10, vMargin = 20, h, w;
2104 extern int squareSize, lineGap;
2109 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2110 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2111 if(r < minRating+100 && r >=0 ) r = minRating+100;
2112 if(r > maxRating) r = maxRating;
2113 if(tc < 1.) tc = 1.;
2114 if(tc > 95.) tc = 95.;
2115 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2116 y = ((double)r - minRating)/(maxRating - minRating)
2117 * (h-vMargin-squareSize/8-1) + vMargin;
2118 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2119 if(strstr(seekAdList[i], " u ")) color = 1;
2120 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2121 !strstr(seekAdList[i], "bullet") &&
2122 !strstr(seekAdList[i], "blitz") &&
2123 !strstr(seekAdList[i], "standard") ) color = 2;
2124 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2125 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2129 AddAd(char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2131 char buf[MSG_SIZ], *ext = "";
2132 VariantClass v = StringToVariant(type);
2133 if(strstr(type, "wild")) {
2134 ext = type + 4; // append wild number
2135 if(v == VariantFischeRandom) type = "chess960"; else
2136 if(v == VariantLoadable) type = "setup"; else
2137 type = VariantName(v);
2139 sprintf(buf, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2140 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2141 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2142 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2143 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2144 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2145 seekNrList[nrOfSeekAds] = nr;
2146 zList[nrOfSeekAds] = 0;
2147 seekAdList[nrOfSeekAds++] = StrSave(buf);
2148 if(plot) PlotSeekAd(nrOfSeekAds-1);
2155 int x = xList[i], y = yList[i], d=squareSize/4, k;
2156 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2157 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2158 // now replot every dot that overlapped
2159 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2160 int xx = xList[k], yy = yList[k];
2161 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2162 DrawSeekDot(xx, yy, colorList[k]);
2167 RemoveSeekAd(int nr)
2170 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2172 if(seekAdList[i]) free(seekAdList[i]);
2173 seekAdList[i] = seekAdList[--nrOfSeekAds];
2174 seekNrList[i] = seekNrList[nrOfSeekAds];
2175 ratingList[i] = ratingList[nrOfSeekAds];
2176 colorList[i] = colorList[nrOfSeekAds];
2177 tcList[i] = tcList[nrOfSeekAds];
2178 xList[i] = xList[nrOfSeekAds];
2179 yList[i] = yList[nrOfSeekAds];
2180 zList[i] = zList[nrOfSeekAds];
2181 seekAdList[nrOfSeekAds] = NULL;
2187 MatchSoughtLine(char *line)
2189 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2190 int nr, base, inc, u=0; char dummy;
2192 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2193 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2195 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2196 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2197 // match: compact and save the line
2198 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2207 if(!seekGraphUp) return FALSE;
2209 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2210 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2212 DrawSeekBackground(0, 0, w, h);
2213 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2214 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2215 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2216 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2218 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2221 sprintf(buf, "%d", i);
2222 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2225 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2226 for(i=1; i<100; i+=(i<10?1:5)) {
2227 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2228 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2229 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2231 sprintf(buf, "%d", i);
2232 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2235 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2239 int SeekGraphClick(ClickType click, int x, int y, int moving)
2241 static int lastDown = 0, displayed = 0, lastSecond;
2242 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2243 if(click == Release || moving) return FALSE;
2245 soughtPending = TRUE;
2246 SendToICS(ics_prefix);
2247 SendToICS("sought\n"); // should this be "sought all"?
2248 } else { // issue challenge based on clicked ad
2249 int dist = 10000; int i, closest = 0, second = 0;
2250 for(i=0; i<nrOfSeekAds; i++) {
2251 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2252 if(d < dist) { dist = d; closest = i; }
2253 second += (d - zList[i] < 120); // count in-range ads
2254 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2258 second = (second > 1);
2259 if(displayed != closest || second != lastSecond) {
2260 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2261 lastSecond = second; displayed = closest;
2263 if(click == Press) {
2264 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2267 } // on press 'hit', only show info
2268 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2269 sprintf(buf, "play %d\n", seekNrList[closest]);
2270 SendToICS(ics_prefix);
2272 return TRUE; // let incoming board of started game pop down the graph
2273 } else if(click == Release) { // release 'miss' is ignored
2274 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2275 if(moving == 2) { // right up-click
2276 nrOfSeekAds = 0; // refresh graph
2277 soughtPending = TRUE;
2278 SendToICS(ics_prefix);
2279 SendToICS("sought\n"); // should this be "sought all"?
2282 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2283 // press miss or release hit 'pop down' seek graph
2284 seekGraphUp = FALSE;
2285 DrawPosition(TRUE, NULL);
2291 read_from_ics(isr, closure, data, count, error)
2298 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2299 #define STARTED_NONE 0
2300 #define STARTED_MOVES 1
2301 #define STARTED_BOARD 2
2302 #define STARTED_OBSERVE 3
2303 #define STARTED_HOLDINGS 4
2304 #define STARTED_CHATTER 5
2305 #define STARTED_COMMENT 6
2306 #define STARTED_MOVES_NOHIDE 7
2308 static int started = STARTED_NONE;
2309 static char parse[20000];
2310 static int parse_pos = 0;
2311 static char buf[BUF_SIZE + 1];
2312 static int firstTime = TRUE, intfSet = FALSE;
2313 static ColorClass prevColor = ColorNormal;
2314 static int savingComment = FALSE;
2315 static int cmatch = 0; // continuation sequence match
2322 int backup; /* [DM] For zippy color lines */
2324 char talker[MSG_SIZ]; // [HGM] chat
2327 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2329 if (appData.debugMode) {
2331 fprintf(debugFP, "<ICS: ");
2332 show_bytes(debugFP, data, count);
2333 fprintf(debugFP, "\n");
2337 if (appData.debugMode) { int f = forwardMostMove;
2338 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2339 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2340 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2343 /* If last read ended with a partial line that we couldn't parse,
2344 prepend it to the new read and try again. */
2345 if (leftover_len > 0) {
2346 for (i=0; i<leftover_len; i++)
2347 buf[i] = buf[leftover_start + i];
2350 /* copy new characters into the buffer */
2351 bp = buf + leftover_len;
2352 buf_len=leftover_len;
2353 for (i=0; i<count; i++)
2356 if (data[i] == '\r')
2359 // join lines split by ICS?
2360 if (!appData.noJoin)
2363 Joining just consists of finding matches against the
2364 continuation sequence, and discarding that sequence
2365 if found instead of copying it. So, until a match
2366 fails, there's nothing to do since it might be the
2367 complete sequence, and thus, something we don't want
2370 if (data[i] == cont_seq[cmatch])
2373 if (cmatch == strlen(cont_seq))
2375 cmatch = 0; // complete match. just reset the counter
2378 it's possible for the ICS to not include the space
2379 at the end of the last word, making our [correct]
2380 join operation fuse two separate words. the server
2381 does this when the space occurs at the width setting.
2383 if (!buf_len || buf[buf_len-1] != ' ')
2394 match failed, so we have to copy what matched before
2395 falling through and copying this character. In reality,
2396 this will only ever be just the newline character, but
2397 it doesn't hurt to be precise.
2399 strncpy(bp, cont_seq, cmatch);
2411 buf[buf_len] = NULLCHAR;
2412 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2417 while (i < buf_len) {
2418 /* Deal with part of the TELNET option negotiation
2419 protocol. We refuse to do anything beyond the
2420 defaults, except that we allow the WILL ECHO option,
2421 which ICS uses to turn off password echoing when we are
2422 directly connected to it. We reject this option
2423 if localLineEditing mode is on (always on in xboard)
2424 and we are talking to port 23, which might be a real
2425 telnet server that will try to keep WILL ECHO on permanently.
2427 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2428 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2429 unsigned char option;
2431 switch ((unsigned char) buf[++i]) {
2433 if (appData.debugMode)
2434 fprintf(debugFP, "\n<WILL ");
2435 switch (option = (unsigned char) buf[++i]) {
2437 if (appData.debugMode)
2438 fprintf(debugFP, "ECHO ");
2439 /* Reply only if this is a change, according
2440 to the protocol rules. */
2441 if (remoteEchoOption) break;
2442 if (appData.localLineEditing &&
2443 atoi(appData.icsPort) == TN_PORT) {
2444 TelnetRequest(TN_DONT, TN_ECHO);
2447 TelnetRequest(TN_DO, TN_ECHO);
2448 remoteEchoOption = TRUE;
2452 if (appData.debugMode)
2453 fprintf(debugFP, "%d ", option);
2454 /* Whatever this is, we don't want it. */
2455 TelnetRequest(TN_DONT, option);
2460 if (appData.debugMode)
2461 fprintf(debugFP, "\n<WONT ");
2462 switch (option = (unsigned char) buf[++i]) {
2464 if (appData.debugMode)
2465 fprintf(debugFP, "ECHO ");
2466 /* Reply only if this is a change, according
2467 to the protocol rules. */
2468 if (!remoteEchoOption) break;
2470 TelnetRequest(TN_DONT, TN_ECHO);
2471 remoteEchoOption = FALSE;
2474 if (appData.debugMode)
2475 fprintf(debugFP, "%d ", (unsigned char) option);
2476 /* Whatever this is, it must already be turned
2477 off, because we never agree to turn on
2478 anything non-default, so according to the
2479 protocol rules, we don't reply. */
2484 if (appData.debugMode)
2485 fprintf(debugFP, "\n<DO ");
2486 switch (option = (unsigned char) buf[++i]) {
2488 /* Whatever this is, we refuse to do it. */
2489 if (appData.debugMode)
2490 fprintf(debugFP, "%d ", option);
2491 TelnetRequest(TN_WONT, option);
2496 if (appData.debugMode)
2497 fprintf(debugFP, "\n<DONT ");
2498 switch (option = (unsigned char) buf[++i]) {
2500 if (appData.debugMode)
2501 fprintf(debugFP, "%d ", option);
2502 /* Whatever this is, we are already not doing
2503 it, because we never agree to do anything
2504 non-default, so according to the protocol
2505 rules, we don't reply. */
2510 if (appData.debugMode)
2511 fprintf(debugFP, "\n<IAC ");
2512 /* Doubled IAC; pass it through */
2516 if (appData.debugMode)
2517 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2518 /* Drop all other telnet commands on the floor */
2521 if (oldi > next_out)
2522 SendToPlayer(&buf[next_out], oldi - next_out);
2528 /* OK, this at least will *usually* work */
2529 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2533 if (loggedOn && !intfSet) {
2534 if (ics_type == ICS_ICC) {
2536 "/set-quietly interface %s\n/set-quietly style 12\n",
2538 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2539 strcat(str, "/set-2 51 1\n/set seek 1\n");
2540 } else if (ics_type == ICS_CHESSNET) {
2541 sprintf(str, "/style 12\n");
2543 strcpy(str, "alias $ @\n$set interface ");
2544 strcat(str, programVersion);
2545 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2546 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2547 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2549 strcat(str, "$iset nohighlight 1\n");
2551 strcat(str, "$iset lock 1\n$style 12\n");
2554 NotifyFrontendLogin();
2558 if (started == STARTED_COMMENT) {
2559 /* Accumulate characters in comment */
2560 parse[parse_pos++] = buf[i];
2561 if (buf[i] == '\n') {
2562 parse[parse_pos] = NULLCHAR;
2563 if(chattingPartner>=0) {
2565 sprintf(mess, "%s%s", talker, parse);
2566 OutputChatMessage(chattingPartner, mess);
2567 chattingPartner = -1;
2568 next_out = i+1; // [HGM] suppress printing in ICS window
2570 if(!suppressKibitz) // [HGM] kibitz
2571 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2572 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2573 int nrDigit = 0, nrAlph = 0, j;
2574 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2575 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2576 parse[parse_pos] = NULLCHAR;
2577 // try to be smart: if it does not look like search info, it should go to
2578 // ICS interaction window after all, not to engine-output window.
2579 for(j=0; j<parse_pos; j++) { // count letters and digits
2580 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2581 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2582 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2584 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2585 int depth=0; float score;
2586 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2587 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2588 pvInfoList[forwardMostMove-1].depth = depth;
2589 pvInfoList[forwardMostMove-1].score = 100*score;
2591 OutputKibitz(suppressKibitz, parse);
2594 sprintf(tmp, _("your opponent kibitzes: %s"), parse);
2595 SendToPlayer(tmp, strlen(tmp));
2597 next_out = i+1; // [HGM] suppress printing in ICS window
2599 started = STARTED_NONE;
2601 /* Don't match patterns against characters in comment */
2606 if (started == STARTED_CHATTER) {
2607 if (buf[i] != '\n') {
2608 /* Don't match patterns against characters in chatter */
2612 started = STARTED_NONE;
2613 if(suppressKibitz) next_out = i+1;
2616 /* Kludge to deal with rcmd protocol */
2617 if (firstTime && looking_at(buf, &i, "\001*")) {
2618 DisplayFatalError(&buf[1], 0, 1);
2624 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2627 if (appData.debugMode)
2628 fprintf(debugFP, "ics_type %d\n", ics_type);
2631 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2632 ics_type = ICS_FICS;
2634 if (appData.debugMode)
2635 fprintf(debugFP, "ics_type %d\n", ics_type);
2638 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
2639 ics_type = ICS_CHESSNET;
2641 if (appData.debugMode)
2642 fprintf(debugFP, "ics_type %d\n", ics_type);
2647 (looking_at(buf, &i, "\"*\" is *a registered name") ||
2648 looking_at(buf, &i, "Logging you in as \"*\"") ||
2649 looking_at(buf, &i, "will be \"*\""))) {
2650 strcpy(ics_handle, star_match[0]);
2654 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
2656 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
2657 DisplayIcsInteractionTitle(buf);
2658 have_set_title = TRUE;
2661 /* skip finger notes */
2662 if (started == STARTED_NONE &&
2663 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
2664 (buf[i] == '1' && buf[i+1] == '0')) &&
2665 buf[i+2] == ':' && buf[i+3] == ' ') {
2666 started = STARTED_CHATTER;
2672 // [HGM] seekgraph: recognize sought lines and end-of-sought message
2673 if(appData.seekGraph) {
2674 if(soughtPending && MatchSoughtLine(buf+i)) {
2675 i = strstr(buf+i, "rated") - buf;
2676 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2677 next_out = leftover_start = i;
2678 started = STARTED_CHATTER;
2679 suppressKibitz = TRUE;
2682 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
2683 && looking_at(buf, &i, "* ads displayed")) {
2684 soughtPending = FALSE;
2689 if(appData.autoRefresh) {
2690 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
2691 int s = (ics_type == ICS_ICC); // ICC format differs
2693 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
2694 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
2695 looking_at(buf, &i, "*% "); // eat prompt
2696 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
2697 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2698 next_out = i; // suppress
2701 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
2702 char *p = star_match[0];
2704 if(seekGraphUp) RemoveSeekAd(atoi(p));
2705 while(*p && *p++ != ' '); // next
2707 looking_at(buf, &i, "*% "); // eat prompt
2708 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2715 /* skip formula vars */
2716 if (started == STARTED_NONE &&
2717 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
2718 started = STARTED_CHATTER;
2723 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
2724 if (appData.autoKibitz && started == STARTED_NONE &&
2725 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
2726 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
2727 if((looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
2728 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
2729 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
2730 suppressKibitz = TRUE;
2731 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2733 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
2734 && (gameMode == IcsPlayingWhite)) ||
2735 (StrStr(star_match[0], gameInfo.black) == star_match[0]
2736 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
2737 started = STARTED_CHATTER; // own kibitz we simply discard
2739 started = STARTED_COMMENT; // make sure it will be collected in parse[]
2740 parse_pos = 0; parse[0] = NULLCHAR;
2741 savingComment = TRUE;
2742 suppressKibitz = gameMode != IcsObserving ? 2 :
2743 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
2747 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
2748 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
2749 && atoi(star_match[0])) {
2750 // suppress the acknowledgements of our own autoKibitz
2752 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2753 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
2754 SendToPlayer(star_match[0], strlen(star_match[0]));
2755 if(looking_at(buf, &i, "*% ")) // eat prompt
2756 suppressKibitz = FALSE;
2760 } // [HGM] kibitz: end of patch
2762 // [HGM] chat: intercept tells by users for which we have an open chat window
2764 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
2765 looking_at(buf, &i, "* whispers:") ||
2766 looking_at(buf, &i, "* kibitzes:") ||
2767 looking_at(buf, &i, "* shouts:") ||
2768 looking_at(buf, &i, "* c-shouts:") ||
2769 looking_at(buf, &i, "--> * ") ||
2770 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
2771 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
2772 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
2773 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
2775 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
2776 chattingPartner = -1;
2778 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
2779 for(p=0; p<MAX_CHAT; p++) {
2780 if(channel == atoi(chatPartner[p])) {
2781 talker[0] = '['; strcat(talker, "] ");
2782 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
2783 chattingPartner = p; break;
2786 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
2787 for(p=0; p<MAX_CHAT; p++) {
2788 if(!strcmp("kibitzes", chatPartner[p])) {
2789 talker[0] = '['; strcat(talker, "] ");
2790 chattingPartner = p; break;
2793 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
2794 for(p=0; p<MAX_CHAT; p++) {
2795 if(!strcmp("whispers", chatPartner[p])) {
2796 talker[0] = '['; strcat(talker, "] ");
2797 chattingPartner = p; break;
2800 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
2801 if(buf[i-8] == '-' && buf[i-3] == 't')
2802 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
2803 if(!strcmp("c-shouts", chatPartner[p])) {
2804 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
2805 chattingPartner = p; break;
2808 if(chattingPartner < 0)
2809 for(p=0; p<MAX_CHAT; p++) {
2810 if(!strcmp("shouts", chatPartner[p])) {
2811 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
2812 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
2813 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
2814 chattingPartner = p; break;
2818 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
2819 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
2820 talker[0] = 0; Colorize(ColorTell, FALSE);
2821 chattingPartner = p; break;
2823 if(chattingPartner<0) i = oldi; else {
2824 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
2825 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
2826 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2827 started = STARTED_COMMENT;
2828 parse_pos = 0; parse[0] = NULLCHAR;
2829 savingComment = 3 + chattingPartner; // counts as TRUE
2830 suppressKibitz = TRUE;
2833 } // [HGM] chat: end of patch
2835 if (appData.zippyTalk || appData.zippyPlay) {
2836 /* [DM] Backup address for color zippy lines */
2840 if (loggedOn == TRUE)
2841 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
2842 (appData.zippyPlay && ZippyMatch(buf, &backup)));
2844 if (ZippyControl(buf, &i) ||
2845 ZippyConverse(buf, &i) ||
2846 (appData.zippyPlay && ZippyMatch(buf, &i))) {
2848 if (!appData.colorize) continue;
2852 } // [DM] 'else { ' deleted
2854 /* Regular tells and says */
2855 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
2856 looking_at(buf, &i, "* (your partner) tells you: ") ||
2857 looking_at(buf, &i, "* says: ") ||
2858 /* Don't color "message" or "messages" output */
2859 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
2860 looking_at(buf, &i, "*. * at *:*: ") ||
2861 looking_at(buf, &i, "--* (*:*): ") ||
2862 /* Message notifications (same color as tells) */
2863 looking_at(buf, &i, "* has left a message ") ||
2864 looking_at(buf, &i, "* just sent you a message:\n") ||
2865 /* Whispers and kibitzes */
2866 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
2867 looking_at(buf, &i, "* kibitzes: ") ||
2869 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
2871 if (tkind == 1 && strchr(star_match[0], ':')) {
2872 /* Avoid "tells you:" spoofs in channels */
2875 if (star_match[0][0] == NULLCHAR ||
2876 strchr(star_match[0], ' ') ||
2877 (tkind == 3 && strchr(star_match[1], ' '))) {
2878 /* Reject bogus matches */
2881 if (appData.colorize) {
2882 if (oldi > next_out) {
2883 SendToPlayer(&buf[next_out], oldi - next_out);
2888 Colorize(ColorTell, FALSE);
2889 curColor = ColorTell;
2892 Colorize(ColorKibitz, FALSE);
2893 curColor = ColorKibitz;
2896 p = strrchr(star_match[1], '(');
2903 Colorize(ColorChannel1, FALSE);
2904 curColor = ColorChannel1;
2906 Colorize(ColorChannel, FALSE);
2907 curColor = ColorChannel;
2911 curColor = ColorNormal;
2915 if (started == STARTED_NONE && appData.autoComment &&
2916 (gameMode == IcsObserving ||
2917 gameMode == IcsPlayingWhite ||
2918 gameMode == IcsPlayingBlack)) {
2919 parse_pos = i - oldi;
2920 memcpy(parse, &buf[oldi], parse_pos);
2921 parse[parse_pos] = NULLCHAR;
2922 started = STARTED_COMMENT;
2923 savingComment = TRUE;
2925 started = STARTED_CHATTER;
2926 savingComment = FALSE;
2933 if (looking_at(buf, &i, "* s-shouts: ") ||
2934 looking_at(buf, &i, "* c-shouts: ")) {
2935 if (appData.colorize) {
2936 if (oldi > next_out) {
2937 SendToPlayer(&buf[next_out], oldi - next_out);
2940 Colorize(ColorSShout, FALSE);
2941 curColor = ColorSShout;
2944 started = STARTED_CHATTER;
2948 if (looking_at(buf, &i, "--->")) {
2953 if (looking_at(buf, &i, "* shouts: ") ||
2954 looking_at(buf, &i, "--> ")) {
2955 if (appData.colorize) {
2956 if (oldi > next_out) {
2957 SendToPlayer(&buf[next_out], oldi - next_out);
2960 Colorize(ColorShout, FALSE);
2961 curColor = ColorShout;
2964 started = STARTED_CHATTER;
2968 if (looking_at( buf, &i, "Challenge:")) {
2969 if (appData.colorize) {
2970 if (oldi > next_out) {
2971 SendToPlayer(&buf[next_out], oldi - next_out);
2974 Colorize(ColorChallenge, FALSE);
2975 curColor = ColorChallenge;
2981 if (looking_at(buf, &i, "* offers you") ||
2982 looking_at(buf, &i, "* offers to be") ||
2983 looking_at(buf, &i, "* would like to") ||
2984 looking_at(buf, &i, "* requests to") ||
2985 looking_at(buf, &i, "Your opponent offers") ||
2986 looking_at(buf, &i, "Your opponent requests")) {
2988 if (appData.colorize) {
2989 if (oldi > next_out) {
2990 SendToPlayer(&buf[next_out], oldi - next_out);
2993 Colorize(ColorRequest, FALSE);
2994 curColor = ColorRequest;
2999 if (looking_at(buf, &i, "* (*) seeking")) {
3000 if (appData.colorize) {
3001 if (oldi > next_out) {
3002 SendToPlayer(&buf[next_out], oldi - next_out);
3005 Colorize(ColorSeek, FALSE);
3006 curColor = ColorSeek;
3011 if (looking_at(buf, &i, "\\ ")) {
3012 if (prevColor != ColorNormal) {
3013 if (oldi > next_out) {
3014 SendToPlayer(&buf[next_out], oldi - next_out);
3017 Colorize(prevColor, TRUE);
3018 curColor = prevColor;
3020 if (savingComment) {
3021 parse_pos = i - oldi;
3022 memcpy(parse, &buf[oldi], parse_pos);
3023 parse[parse_pos] = NULLCHAR;
3024 started = STARTED_COMMENT;
3025 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3026 chattingPartner = savingComment - 3; // kludge to remember the box
3028 started = STARTED_CHATTER;
3033 if (looking_at(buf, &i, "Black Strength :") ||
3034 looking_at(buf, &i, "<<< style 10 board >>>") ||
3035 looking_at(buf, &i, "<10>") ||
3036 looking_at(buf, &i, "#@#")) {
3037 /* Wrong board style */
3039 SendToICS(ics_prefix);
3040 SendToICS("set style 12\n");
3041 SendToICS(ics_prefix);
3042 SendToICS("refresh\n");
3046 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3048 have_sent_ICS_logon = 1;
3052 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3053 (looking_at(buf, &i, "\n<12> ") ||
3054 looking_at(buf, &i, "<12> "))) {
3056 if (oldi > next_out) {
3057 SendToPlayer(&buf[next_out], oldi - next_out);
3060 started = STARTED_BOARD;
3065 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3066 looking_at(buf, &i, "<b1> ")) {
3067 if (oldi > next_out) {
3068 SendToPlayer(&buf[next_out], oldi - next_out);
3071 started = STARTED_HOLDINGS;
3076 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3078 /* Header for a move list -- first line */
3080 switch (ics_getting_history) {
3084 case BeginningOfGame:
3085 /* User typed "moves" or "oldmoves" while we
3086 were idle. Pretend we asked for these
3087 moves and soak them up so user can step
3088 through them and/or save them.
3091 gameMode = IcsObserving;
3094 ics_getting_history = H_GOT_UNREQ_HEADER;
3096 case EditGame: /*?*/
3097 case EditPosition: /*?*/
3098 /* Should above feature work in these modes too? */
3099 /* For now it doesn't */
3100 ics_getting_history = H_GOT_UNWANTED_HEADER;
3103 ics_getting_history = H_GOT_UNWANTED_HEADER;
3108 /* Is this the right one? */
3109 if (gameInfo.white && gameInfo.black &&
3110 strcmp(gameInfo.white, star_match[0]) == 0 &&
3111 strcmp(gameInfo.black, star_match[2]) == 0) {
3113 ics_getting_history = H_GOT_REQ_HEADER;
3116 case H_GOT_REQ_HEADER:
3117 case H_GOT_UNREQ_HEADER:
3118 case H_GOT_UNWANTED_HEADER:
3119 case H_GETTING_MOVES:
3120 /* Should not happen */
3121 DisplayError(_("Error gathering move list: two headers"), 0);
3122 ics_getting_history = H_FALSE;
3126 /* Save player ratings into gameInfo if needed */
3127 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3128 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3129 (gameInfo.whiteRating == -1 ||
3130 gameInfo.blackRating == -1)) {
3132 gameInfo.whiteRating = string_to_rating(star_match[1]);
3133 gameInfo.blackRating = string_to_rating(star_match[3]);
3134 if (appData.debugMode)
3135 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3136 gameInfo.whiteRating, gameInfo.blackRating);
3141 if (looking_at(buf, &i,
3142 "* * match, initial time: * minute*, increment: * second")) {
3143 /* Header for a move list -- second line */
3144 /* Initial board will follow if this is a wild game */
3145 if (gameInfo.event != NULL) free(gameInfo.event);
3146 sprintf(str, "ICS %s %s match", star_match[0], star_match[1]);
3147 gameInfo.event = StrSave(str);
3148 /* [HGM] we switched variant. Translate boards if needed. */
3149 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3153 if (looking_at(buf, &i, "Move ")) {
3154 /* Beginning of a move list */
3155 switch (ics_getting_history) {
3157 /* Normally should not happen */
3158 /* Maybe user hit reset while we were parsing */
3161 /* Happens if we are ignoring a move list that is not
3162 * the one we just requested. Common if the user
3163 * tries to observe two games without turning off
3166 case H_GETTING_MOVES:
3167 /* Should not happen */
3168 DisplayError(_("Error gathering move list: nested"), 0);
3169 ics_getting_history = H_FALSE;
3171 case H_GOT_REQ_HEADER:
3172 ics_getting_history = H_GETTING_MOVES;
3173 started = STARTED_MOVES;
3175 if (oldi > next_out) {
3176 SendToPlayer(&buf[next_out], oldi - next_out);
3179 case H_GOT_UNREQ_HEADER:
3180 ics_getting_history = H_GETTING_MOVES;
3181 started = STARTED_MOVES_NOHIDE;
3184 case H_GOT_UNWANTED_HEADER:
3185 ics_getting_history = H_FALSE;
3191 if (looking_at(buf, &i, "% ") ||
3192 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3193 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3194 if(ics_type == ICS_ICC && soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3195 soughtPending = FALSE;
3199 if(suppressKibitz) next_out = i;
3200 savingComment = FALSE;
3204 case STARTED_MOVES_NOHIDE:
3205 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3206 parse[parse_pos + i - oldi] = NULLCHAR;
3207 ParseGameHistory(parse);
3209 if (appData.zippyPlay && first.initDone) {
3210 FeedMovesToProgram(&first, forwardMostMove);
3211 if (gameMode == IcsPlayingWhite) {
3212 if (WhiteOnMove(forwardMostMove)) {
3213 if (first.sendTime) {
3214 if (first.useColors) {
3215 SendToProgram("black\n", &first);
3217 SendTimeRemaining(&first, TRUE);
3219 if (first.useColors) {
3220 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3222 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3223 first.maybeThinking = TRUE;
3225 if (first.usePlayother) {
3226 if (first.sendTime) {
3227 SendTimeRemaining(&first, TRUE);
3229 SendToProgram("playother\n", &first);
3235 } else if (gameMode == IcsPlayingBlack) {
3236 if (!WhiteOnMove(forwardMostMove)) {
3237 if (first.sendTime) {
3238 if (first.useColors) {
3239 SendToProgram("white\n", &first);
3241 SendTimeRemaining(&first, FALSE);
3243 if (first.useColors) {
3244 SendToProgram("black\n", &first);
3246 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3247 first.maybeThinking = TRUE;
3249 if (first.usePlayother) {
3250 if (first.sendTime) {
3251 SendTimeRemaining(&first, FALSE);
3253 SendToProgram("playother\n", &first);
3262 if (gameMode == IcsObserving && ics_gamenum == -1) {
3263 /* Moves came from oldmoves or moves command
3264 while we weren't doing anything else.
3266 currentMove = forwardMostMove;
3267 ClearHighlights();/*!!could figure this out*/
3268 flipView = appData.flipView;
3269 DrawPosition(TRUE, boards[currentMove]);
3270 DisplayBothClocks();
3271 sprintf(str, "%s vs. %s",
3272 gameInfo.white, gameInfo.black);
3276 /* Moves were history of an active game */
3277 if (gameInfo.resultDetails != NULL) {
3278 free(gameInfo.resultDetails);
3279 gameInfo.resultDetails = NULL;
3282 HistorySet(parseList, backwardMostMove,
3283 forwardMostMove, currentMove-1);
3284 DisplayMove(currentMove - 1);
3285 if (started == STARTED_MOVES) next_out = i;
3286 started = STARTED_NONE;
3287 ics_getting_history = H_FALSE;
3290 case STARTED_OBSERVE:
3291 started = STARTED_NONE;
3292 SendToICS(ics_prefix);
3293 SendToICS("refresh\n");
3299 if(bookHit) { // [HGM] book: simulate book reply
3300 static char bookMove[MSG_SIZ]; // a bit generous?
3302 programStats.nodes = programStats.depth = programStats.time =
3303 programStats.score = programStats.got_only_move = 0;
3304 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3306 strcpy(bookMove, "move ");
3307 strcat(bookMove, bookHit);
3308 HandleMachineMove(bookMove, &first);
3313 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3314 started == STARTED_HOLDINGS ||
3315 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3316 /* Accumulate characters in move list or board */
3317 parse[parse_pos++] = buf[i];
3320 /* Start of game messages. Mostly we detect start of game
3321 when the first board image arrives. On some versions
3322 of the ICS, though, we need to do a "refresh" after starting
3323 to observe in order to get the current board right away. */
3324 if (looking_at(buf, &i, "Adding game * to observation list")) {
3325 started = STARTED_OBSERVE;
3329 /* Handle auto-observe */
3330 if (appData.autoObserve &&
3331 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3332 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3334 /* Choose the player that was highlighted, if any. */
3335 if (star_match[0][0] == '\033' ||
3336 star_match[1][0] != '\033') {
3337 player = star_match[0];
3339 player = star_match[2];
3341 sprintf(str, "%sobserve %s\n",
3342 ics_prefix, StripHighlightAndTitle(player));
3345 /* Save ratings from notify string */
3346 strcpy(player1Name, star_match[0]);
3347 player1Rating = string_to_rating(star_match[1]);
3348 strcpy(player2Name, star_match[2]);
3349 player2Rating = string_to_rating(star_match[3]);
3351 if (appData.debugMode)
3353 "Ratings from 'Game notification:' %s %d, %s %d\n",
3354 player1Name, player1Rating,
3355 player2Name, player2Rating);
3360 /* Deal with automatic examine mode after a game,
3361 and with IcsObserving -> IcsExamining transition */
3362 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3363 looking_at(buf, &i, "has made you an examiner of game *")) {
3365 int gamenum = atoi(star_match[0]);
3366 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3367 gamenum == ics_gamenum) {
3368 /* We were already playing or observing this game;
3369 no need to refetch history */
3370 gameMode = IcsExamining;
3372 pauseExamForwardMostMove = forwardMostMove;
3373 } else if (currentMove < forwardMostMove) {
3374 ForwardInner(forwardMostMove);
3377 /* I don't think this case really can happen */
3378 SendToICS(ics_prefix);
3379 SendToICS("refresh\n");
3384 /* Error messages */
3385 // if (ics_user_moved) {
3386 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3387 if (looking_at(buf, &i, "Illegal move") ||
3388 looking_at(buf, &i, "Not a legal move") ||
3389 looking_at(buf, &i, "Your king is in check") ||
3390 looking_at(buf, &i, "It isn't your turn") ||
3391 looking_at(buf, &i, "It is not your move")) {
3393 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3394 currentMove = forwardMostMove-1;
3395 DisplayMove(currentMove - 1); /* before DMError */
3396 DrawPosition(FALSE, boards[currentMove]);
3397 SwitchClocks(forwardMostMove-1); // [HGM] race
3398 DisplayBothClocks();
3400 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3406 if (looking_at(buf, &i, "still have time") ||
3407 looking_at(buf, &i, "not out of time") ||
3408 looking_at(buf, &i, "either player is out of time") ||
3409 looking_at(buf, &i, "has timeseal; checking")) {
3410 /* We must have called his flag a little too soon */
3411 whiteFlag = blackFlag = FALSE;
3415 if (looking_at(buf, &i, "added * seconds to") ||
3416 looking_at(buf, &i, "seconds were added to")) {
3417 /* Update the clocks */
3418 SendToICS(ics_prefix);
3419 SendToICS("refresh\n");
3423 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3424 ics_clock_paused = TRUE;
3429 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3430 ics_clock_paused = FALSE;
3435 /* Grab player ratings from the Creating: message.
3436 Note we have to check for the special case when
3437 the ICS inserts things like [white] or [black]. */
3438 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3439 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3441 0 player 1 name (not necessarily white)
3443 2 empty, white, or black (IGNORED)
3444 3 player 2 name (not necessarily black)
3447 The names/ratings are sorted out when the game
3448 actually starts (below).
3450 strcpy(player1Name, StripHighlightAndTitle(star_match[0]));
3451 player1Rating = string_to_rating(star_match[1]);
3452 strcpy(player2Name, StripHighlightAndTitle(star_match[3]));
3453 player2Rating = string_to_rating(star_match[4]);
3455 if (appData.debugMode)
3457 "Ratings from 'Creating:' %s %d, %s %d\n",
3458 player1Name, player1Rating,
3459 player2Name, player2Rating);
3464 /* Improved generic start/end-of-game messages */
3465 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3466 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3467 /* If tkind == 0: */
3468 /* star_match[0] is the game number */
3469 /* [1] is the white player's name */
3470 /* [2] is the black player's name */
3471 /* For end-of-game: */
3472 /* [3] is the reason for the game end */
3473 /* [4] is a PGN end game-token, preceded by " " */
3474 /* For start-of-game: */
3475 /* [3] begins with "Creating" or "Continuing" */
3476 /* [4] is " *" or empty (don't care). */
3477 int gamenum = atoi(star_match[0]);
3478 char *whitename, *blackname, *why, *endtoken;
3479 ChessMove endtype = (ChessMove) 0;
3482 whitename = star_match[1];
3483 blackname = star_match[2];
3484 why = star_match[3];
3485 endtoken = star_match[4];
3487 whitename = star_match[1];
3488 blackname = star_match[3];
3489 why = star_match[5];
3490 endtoken = star_match[6];
3493 /* Game start messages */
3494 if (strncmp(why, "Creating ", 9) == 0 ||
3495 strncmp(why, "Continuing ", 11) == 0) {
3496 gs_gamenum = gamenum;
3497 strcpy(gs_kind, strchr(why, ' ') + 1);
3498 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3500 if (appData.zippyPlay) {
3501 ZippyGameStart(whitename, blackname);
3504 partnerBoardValid = FALSE; // [HGM] bughouse
3508 /* Game end messages */
3509 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3510 ics_gamenum != gamenum) {
3513 while (endtoken[0] == ' ') endtoken++;
3514 switch (endtoken[0]) {
3517 endtype = GameUnfinished;
3520 endtype = BlackWins;
3523 if (endtoken[1] == '/')
3524 endtype = GameIsDrawn;
3526 endtype = WhiteWins;
3529 GameEnds(endtype, why, GE_ICS);
3531 if (appData.zippyPlay && first.initDone) {
3532 ZippyGameEnd(endtype, why);
3533 if (first.pr == NULL) {
3534 /* Start the next process early so that we'll
3535 be ready for the next challenge */
3536 StartChessProgram(&first);
3538 /* Send "new" early, in case this command takes
3539 a long time to finish, so that we'll be ready
3540 for the next challenge. */
3541 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3545 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3549 if (looking_at(buf, &i, "Removing game * from observation") ||
3550 looking_at(buf, &i, "no longer observing game *") ||
3551 looking_at(buf, &i, "Game * (*) has no examiners")) {
3552 if (gameMode == IcsObserving &&
3553 atoi(star_match[0]) == ics_gamenum)
3555 /* icsEngineAnalyze */
3556 if (appData.icsEngineAnalyze) {
3563 ics_user_moved = FALSE;
3568 if (looking_at(buf, &i, "no longer examining game *")) {
3569 if (gameMode == IcsExamining &&
3570 atoi(star_match[0]) == ics_gamenum)
3574 ics_user_moved = FALSE;
3579 /* Advance leftover_start past any newlines we find,
3580 so only partial lines can get reparsed */
3581 if (looking_at(buf, &i, "\n")) {
3582 prevColor = curColor;
3583 if (curColor != ColorNormal) {
3584 if (oldi > next_out) {
3585 SendToPlayer(&buf[next_out], oldi - next_out);
3588 Colorize(ColorNormal, FALSE);
3589 curColor = ColorNormal;
3591 if (started == STARTED_BOARD) {
3592 started = STARTED_NONE;
3593 parse[parse_pos] = NULLCHAR;
3594 ParseBoard12(parse);
3597 /* Send premove here */
3598 if (appData.premove) {
3600 if (currentMove == 0 &&
3601 gameMode == IcsPlayingWhite &&
3602 appData.premoveWhite) {
3603 sprintf(str, "%s\n", appData.premoveWhiteText);
3604 if (appData.debugMode)
3605 fprintf(debugFP, "Sending premove:\n");
3607 } else if (currentMove == 1 &&
3608 gameMode == IcsPlayingBlack &&
3609 appData.premoveBlack) {
3610 sprintf(str, "%s\n", appData.premoveBlackText);
3611 if (appData.debugMode)
3612 fprintf(debugFP, "Sending premove:\n");
3614 } else if (gotPremove) {
3616 ClearPremoveHighlights();
3617 if (appData.debugMode)
3618 fprintf(debugFP, "Sending premove:\n");
3619 UserMoveEvent(premoveFromX, premoveFromY,
3620 premoveToX, premoveToY,
3625 /* Usually suppress following prompt */
3626 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3627 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3628 if (looking_at(buf, &i, "*% ")) {
3629 savingComment = FALSE;
3634 } else if (started == STARTED_HOLDINGS) {
3636 char new_piece[MSG_SIZ];
3637 started = STARTED_NONE;
3638 parse[parse_pos] = NULLCHAR;
3639 if (appData.debugMode)
3640 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
3641 parse, currentMove);
3642 if (sscanf(parse, " game %d", &gamenum) == 1) {
3643 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
3644 if (gameInfo.variant == VariantNormal) {
3645 /* [HGM] We seem to switch variant during a game!
3646 * Presumably no holdings were displayed, so we have
3647 * to move the position two files to the right to
3648 * create room for them!
3650 VariantClass newVariant;
3651 switch(gameInfo.boardWidth) { // base guess on board width
3652 case 9: newVariant = VariantShogi; break;
3653 case 10: newVariant = VariantGreat; break;
3654 default: newVariant = VariantCrazyhouse; break;
3656 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3657 /* Get a move list just to see the header, which
3658 will tell us whether this is really bug or zh */
3659 if (ics_getting_history == H_FALSE) {
3660 ics_getting_history = H_REQUESTED;
3661 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3665 new_piece[0] = NULLCHAR;
3666 sscanf(parse, "game %d white [%s black [%s <- %s",
3667 &gamenum, white_holding, black_holding,
3669 white_holding[strlen(white_holding)-1] = NULLCHAR;
3670 black_holding[strlen(black_holding)-1] = NULLCHAR;
3671 /* [HGM] copy holdings to board holdings area */
3672 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
3673 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
3674 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
3676 if (appData.zippyPlay && first.initDone) {
3677 ZippyHoldings(white_holding, black_holding,
3681 if (tinyLayout || smallLayout) {
3682 char wh[16], bh[16];
3683 PackHolding(wh, white_holding);
3684 PackHolding(bh, black_holding);
3685 sprintf(str, "[%s-%s] %s-%s", wh, bh,
3686 gameInfo.white, gameInfo.black);
3688 sprintf(str, "%s [%s] vs. %s [%s]",
3689 gameInfo.white, white_holding,
3690 gameInfo.black, black_holding);
3692 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
3693 DrawPosition(FALSE, boards[currentMove]);
3695 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
3696 sscanf(parse, "game %d white [%s black [%s <- %s",
3697 &gamenum, white_holding, black_holding,
3699 white_holding[strlen(white_holding)-1] = NULLCHAR;
3700 black_holding[strlen(black_holding)-1] = NULLCHAR;
3701 /* [HGM] copy holdings to partner-board holdings area */
3702 CopyHoldings(partnerBoard, white_holding, WhitePawn);
3703 CopyHoldings(partnerBoard, black_holding, BlackPawn);
3704 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
3705 if(partnerUp) DrawPosition(FALSE, partnerBoard);
3706 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
3709 /* Suppress following prompt */
3710 if (looking_at(buf, &i, "*% ")) {
3711 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
3712 savingComment = FALSE;
3720 i++; /* skip unparsed character and loop back */
3723 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
3724 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
3725 // SendToPlayer(&buf[next_out], i - next_out);
3726 started != STARTED_HOLDINGS && leftover_start > next_out) {
3727 SendToPlayer(&buf[next_out], leftover_start - next_out);
3731 leftover_len = buf_len - leftover_start;
3732 /* if buffer ends with something we couldn't parse,
3733 reparse it after appending the next read */
3735 } else if (count == 0) {
3736 RemoveInputSource(isr);
3737 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
3739 DisplayFatalError(_("Error reading from ICS"), error, 1);
3744 /* Board style 12 looks like this:
3746 <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
3748 * The "<12> " is stripped before it gets to this routine. The two
3749 * trailing 0's (flip state and clock ticking) are later addition, and
3750 * some chess servers may not have them, or may have only the first.
3751 * Additional trailing fields may be added in the future.
3754 #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"
3756 #define RELATION_OBSERVING_PLAYED 0
3757 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
3758 #define RELATION_PLAYING_MYMOVE 1
3759 #define RELATION_PLAYING_NOTMYMOVE -1
3760 #define RELATION_EXAMINING 2
3761 #define RELATION_ISOLATED_BOARD -3
3762 #define RELATION_STARTING_POSITION -4 /* FICS only */
3765 ParseBoard12(string)
3768 GameMode newGameMode;
3769 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
3770 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
3771 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
3772 char to_play, board_chars[200];
3773 char move_str[500], str[500], elapsed_time[500];
3774 char black[32], white[32];
3776 int prevMove = currentMove;
3779 int fromX, fromY, toX, toY;
3781 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
3782 char *bookHit = NULL; // [HGM] book
3783 Boolean weird = FALSE, reqFlag = FALSE;
3785 fromX = fromY = toX = toY = -1;
3789 if (appData.debugMode)
3790 fprintf(debugFP, _("Parsing board: %s\n"), string);
3792 move_str[0] = NULLCHAR;
3793 elapsed_time[0] = NULLCHAR;
3794 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
3796 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
3797 if(string[i] == ' ') { ranks++; files = 0; }
3799 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
3802 for(j = 0; j <i; j++) board_chars[j] = string[j];
3803 board_chars[i] = '\0';
3806 n = sscanf(string, PATTERN, &to_play, &double_push,
3807 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
3808 &gamenum, white, black, &relation, &basetime, &increment,
3809 &white_stren, &black_stren, &white_time, &black_time,
3810 &moveNum, str, elapsed_time, move_str, &ics_flip,
3814 snprintf(str, sizeof(str), _("Failed to parse board string:\n\"%s\""), string);
3815 DisplayError(str, 0);
3819 /* Convert the move number to internal form */
3820 moveNum = (moveNum - 1) * 2;
3821 if (to_play == 'B') moveNum++;
3822 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
3823 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
3829 case RELATION_OBSERVING_PLAYED:
3830 case RELATION_OBSERVING_STATIC:
3831 if (gamenum == -1) {
3832 /* Old ICC buglet */
3833 relation = RELATION_OBSERVING_STATIC;
3835 newGameMode = IcsObserving;
3837 case RELATION_PLAYING_MYMOVE:
3838 case RELATION_PLAYING_NOTMYMOVE:
3840 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
3841 IcsPlayingWhite : IcsPlayingBlack;
3843 case RELATION_EXAMINING:
3844 newGameMode = IcsExamining;
3846 case RELATION_ISOLATED_BOARD:
3848 /* Just display this board. If user was doing something else,
3849 we will forget about it until the next board comes. */
3850 newGameMode = IcsIdle;
3852 case RELATION_STARTING_POSITION:
3853 newGameMode = gameMode;
3857 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
3858 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
3859 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
3861 for (k = 0; k < ranks; k++) {
3862 for (j = 0; j < files; j++)
3863 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
3864 if(gameInfo.holdingsWidth > 1) {
3865 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
3866 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
3869 CopyBoard(partnerBoard, board);
3870 if(toSqr = strchr(str, '/')) { // extract highlights from long move
3871 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
3872 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
3873 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
3874 if(toSqr = strchr(str, '-')) {
3875 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
3876 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
3877 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
3878 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
3879 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
3880 if(partnerUp) DrawPosition(FALSE, partnerBoard);
3881 if(twoBoards) { partnerUp = 0; flipView = !flipView; } // [HGM] dual
3882 sprintf(partnerStatus, "W: %d:%02d B: %d:%02d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
3883 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
3884 DisplayMessage(partnerStatus, "");
3885 partnerBoardValid = TRUE;
3889 /* Modify behavior for initial board display on move listing
3892 switch (ics_getting_history) {
3896 case H_GOT_REQ_HEADER:
3897 case H_GOT_UNREQ_HEADER:
3898 /* This is the initial position of the current game */
3899 gamenum = ics_gamenum;
3900 moveNum = 0; /* old ICS bug workaround */
3901 if (to_play == 'B') {
3902 startedFromSetupPosition = TRUE;
3903 blackPlaysFirst = TRUE;
3905 if (forwardMostMove == 0) forwardMostMove = 1;
3906 if (backwardMostMove == 0) backwardMostMove = 1;
3907 if (currentMove == 0) currentMove = 1;
3909 newGameMode = gameMode;
3910 relation = RELATION_STARTING_POSITION; /* ICC needs this */
3912 case H_GOT_UNWANTED_HEADER:
3913 /* This is an initial board that we don't want */
3915 case H_GETTING_MOVES:
3916 /* Should not happen */
3917 DisplayError(_("Error gathering move list: extra board"), 0);
3918 ics_getting_history = H_FALSE;
3922 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
3923 weird && (int)gameInfo.variant <= (int)VariantShogi) {
3924 /* [HGM] We seem to have switched variant unexpectedly
3925 * Try to guess new variant from board size
3927 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
3928 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
3929 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
3930 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
3931 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
3932 if(!weird) newVariant = VariantNormal;
3933 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3934 /* Get a move list just to see the header, which
3935 will tell us whether this is really bug or zh */
3936 if (ics_getting_history == H_FALSE) {
3937 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
3938 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3943 /* Take action if this is the first board of a new game, or of a
3944 different game than is currently being displayed. */
3945 if (gamenum != ics_gamenum || newGameMode != gameMode ||
3946 relation == RELATION_ISOLATED_BOARD) {
3948 /* Forget the old game and get the history (if any) of the new one */
3949 if (gameMode != BeginningOfGame) {
3953 if (appData.autoRaiseBoard) BoardToTop();
3955 if (gamenum == -1) {
3956 newGameMode = IcsIdle;
3957 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
3958 appData.getMoveList && !reqFlag) {
3959 /* Need to get game history */
3960 ics_getting_history = H_REQUESTED;
3961 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3965 /* Initially flip the board to have black on the bottom if playing
3966 black or if the ICS flip flag is set, but let the user change
3967 it with the Flip View button. */
3968 flipView = appData.autoFlipView ?
3969 (newGameMode == IcsPlayingBlack) || ics_flip :
3972 /* Done with values from previous mode; copy in new ones */
3973 gameMode = newGameMode;
3975 ics_gamenum = gamenum;
3976 if (gamenum == gs_gamenum) {
3977 int klen = strlen(gs_kind);
3978 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
3979 sprintf(str, "ICS %s", gs_kind);
3980 gameInfo.event = StrSave(str);
3982 gameInfo.event = StrSave("ICS game");
3984 gameInfo.site = StrSave(appData.icsHost);
3985 gameInfo.date = PGNDate();
3986 gameInfo.round = StrSave("-");
3987 gameInfo.white = StrSave(white);
3988 gameInfo.black = StrSave(black);
3989 timeControl = basetime * 60 * 1000;
3991 timeIncrement = increment * 1000;
3992 movesPerSession = 0;
3993 gameInfo.timeControl = TimeControlTagValue();
3994 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
3995 if (appData.debugMode) {
3996 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
3997 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
3998 setbuf(debugFP, NULL);
4001 gameInfo.outOfBook = NULL;
4003 /* Do we have the ratings? */
4004 if (strcmp(player1Name, white) == 0 &&
4005 strcmp(player2Name, black) == 0) {
4006 if (appData.debugMode)
4007 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4008 player1Rating, player2Rating);
4009 gameInfo.whiteRating = player1Rating;
4010 gameInfo.blackRating = player2Rating;
4011 } else if (strcmp(player2Name, white) == 0 &&
4012 strcmp(player1Name, black) == 0) {
4013 if (appData.debugMode)
4014 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4015 player2Rating, player1Rating);
4016 gameInfo.whiteRating = player2Rating;
4017 gameInfo.blackRating = player1Rating;
4019 player1Name[0] = player2Name[0] = NULLCHAR;
4021 /* Silence shouts if requested */
4022 if (appData.quietPlay &&
4023 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4024 SendToICS(ics_prefix);
4025 SendToICS("set shout 0\n");
4029 /* Deal with midgame name changes */
4031 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4032 if (gameInfo.white) free(gameInfo.white);
4033 gameInfo.white = StrSave(white);
4035 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4036 if (gameInfo.black) free(gameInfo.black);
4037 gameInfo.black = StrSave(black);
4041 /* Throw away game result if anything actually changes in examine mode */
4042 if (gameMode == IcsExamining && !newGame) {
4043 gameInfo.result = GameUnfinished;
4044 if (gameInfo.resultDetails != NULL) {
4045 free(gameInfo.resultDetails);
4046 gameInfo.resultDetails = NULL;
4050 /* In pausing && IcsExamining mode, we ignore boards coming
4051 in if they are in a different variation than we are. */
4052 if (pauseExamInvalid) return;
4053 if (pausing && gameMode == IcsExamining) {
4054 if (moveNum <= pauseExamForwardMostMove) {
4055 pauseExamInvalid = TRUE;
4056 forwardMostMove = pauseExamForwardMostMove;
4061 if (appData.debugMode) {
4062 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4064 /* Parse the board */
4065 for (k = 0; k < ranks; k++) {
4066 for (j = 0; j < files; j++)
4067 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4068 if(gameInfo.holdingsWidth > 1) {
4069 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4070 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4073 CopyBoard(boards[moveNum], board);
4074 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4076 startedFromSetupPosition =
4077 !CompareBoards(board, initialPosition);
4078 if(startedFromSetupPosition)
4079 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4082 /* [HGM] Set castling rights. Take the outermost Rooks,
4083 to make it also work for FRC opening positions. Note that board12
4084 is really defective for later FRC positions, as it has no way to
4085 indicate which Rook can castle if they are on the same side of King.
4086 For the initial position we grant rights to the outermost Rooks,
4087 and remember thos rights, and we then copy them on positions
4088 later in an FRC game. This means WB might not recognize castlings with
4089 Rooks that have moved back to their original position as illegal,
4090 but in ICS mode that is not its job anyway.
4092 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4093 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4095 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4096 if(board[0][i] == WhiteRook) j = i;
4097 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4098 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4099 if(board[0][i] == WhiteRook) j = i;
4100 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4101 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4102 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4103 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4104 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4105 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4106 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4108 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4109 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4110 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4111 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4112 if(board[BOARD_HEIGHT-1][k] == bKing)
4113 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4114 if(gameInfo.variant == VariantTwoKings) {
4115 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4116 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4117 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4120 r = boards[moveNum][CASTLING][0] = initialRights[0];
4121 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4122 r = boards[moveNum][CASTLING][1] = initialRights[1];
4123 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4124 r = boards[moveNum][CASTLING][3] = initialRights[3];
4125 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4126 r = boards[moveNum][CASTLING][4] = initialRights[4];
4127 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4128 /* wildcastle kludge: always assume King has rights */
4129 r = boards[moveNum][CASTLING][2] = initialRights[2];
4130 r = boards[moveNum][CASTLING][5] = initialRights[5];
4132 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4133 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4136 if (ics_getting_history == H_GOT_REQ_HEADER ||
4137 ics_getting_history == H_GOT_UNREQ_HEADER) {
4138 /* This was an initial position from a move list, not
4139 the current position */
4143 /* Update currentMove and known move number limits */
4144 newMove = newGame || moveNum > forwardMostMove;
4147 forwardMostMove = backwardMostMove = currentMove = moveNum;
4148 if (gameMode == IcsExamining && moveNum == 0) {
4149 /* Workaround for ICS limitation: we are not told the wild
4150 type when starting to examine a game. But if we ask for
4151 the move list, the move list header will tell us */
4152 ics_getting_history = H_REQUESTED;
4153 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
4156 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4157 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4159 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4160 /* [HGM] applied this also to an engine that is silently watching */
4161 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4162 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4163 gameInfo.variant == currentlyInitializedVariant) {
4164 takeback = forwardMostMove - moveNum;
4165 for (i = 0; i < takeback; i++) {
4166 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4167 SendToProgram("undo\n", &first);
4172 forwardMostMove = moveNum;
4173 if (!pausing || currentMove > forwardMostMove)
4174 currentMove = forwardMostMove;
4176 /* New part of history that is not contiguous with old part */
4177 if (pausing && gameMode == IcsExamining) {
4178 pauseExamInvalid = TRUE;
4179 forwardMostMove = pauseExamForwardMostMove;
4182 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4184 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4185 // [HGM] when we will receive the move list we now request, it will be
4186 // fed to the engine from the first move on. So if the engine is not
4187 // in the initial position now, bring it there.
4188 InitChessProgram(&first, 0);
4191 ics_getting_history = H_REQUESTED;
4192 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
4195 forwardMostMove = backwardMostMove = currentMove = moveNum;
4198 /* Update the clocks */
4199 if (strchr(elapsed_time, '.')) {
4201 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4202 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4204 /* Time is in seconds */
4205 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4206 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4211 if (appData.zippyPlay && newGame &&
4212 gameMode != IcsObserving && gameMode != IcsIdle &&
4213 gameMode != IcsExamining)
4214 ZippyFirstBoard(moveNum, basetime, increment);
4217 /* Put the move on the move list, first converting
4218 to canonical algebraic form. */
4220 if (appData.debugMode) {
4221 if (appData.debugMode) { int f = forwardMostMove;
4222 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4223 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4224 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4226 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4227 fprintf(debugFP, "moveNum = %d\n", moveNum);
4228 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4229 setbuf(debugFP, NULL);
4231 if (moveNum <= backwardMostMove) {
4232 /* We don't know what the board looked like before
4234 strcpy(parseList[moveNum - 1], move_str);
4235 strcat(parseList[moveNum - 1], " ");
4236 strcat(parseList[moveNum - 1], elapsed_time);
4237 moveList[moveNum - 1][0] = NULLCHAR;
4238 } else if (strcmp(move_str, "none") == 0) {
4239 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4240 /* Again, we don't know what the board looked like;
4241 this is really the start of the game. */
4242 parseList[moveNum - 1][0] = NULLCHAR;
4243 moveList[moveNum - 1][0] = NULLCHAR;
4244 backwardMostMove = moveNum;
4245 startedFromSetupPosition = TRUE;
4246 fromX = fromY = toX = toY = -1;
4248 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4249 // So we parse the long-algebraic move string in stead of the SAN move
4250 int valid; char buf[MSG_SIZ], *prom;
4252 // str looks something like "Q/a1-a2"; kill the slash
4254 sprintf(buf, "%c%s", str[0], str+2);
4255 else strcpy(buf, str); // might be castling
4256 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4257 strcat(buf, prom); // long move lacks promo specification!
4258 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4259 if(appData.debugMode)
4260 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4261 strcpy(move_str, buf);
4263 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4264 &fromX, &fromY, &toX, &toY, &promoChar)
4265 || ParseOneMove(buf, moveNum - 1, &moveType,
4266 &fromX, &fromY, &toX, &toY, &promoChar);
4267 // end of long SAN patch
4269 (void) CoordsToAlgebraic(boards[moveNum - 1],
4270 PosFlags(moveNum - 1),
4271 fromY, fromX, toY, toX, promoChar,
4272 parseList[moveNum-1]);
4273 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4279 if(gameInfo.variant != VariantShogi)
4280 strcat(parseList[moveNum - 1], "+");
4283 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4284 strcat(parseList[moveNum - 1], "#");
4287 strcat(parseList[moveNum - 1], " ");
4288 strcat(parseList[moveNum - 1], elapsed_time);
4289 /* currentMoveString is set as a side-effect of ParseOneMove */
4290 strcpy(moveList[moveNum - 1], currentMoveString);
4291 strcat(moveList[moveNum - 1], "\n");
4293 /* Move from ICS was illegal!? Punt. */
4294 if (appData.debugMode) {
4295 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4296 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4298 strcpy(parseList[moveNum - 1], move_str);
4299 strcat(parseList[moveNum - 1], " ");
4300 strcat(parseList[moveNum - 1], elapsed_time);
4301 moveList[moveNum - 1][0] = NULLCHAR;
4302 fromX = fromY = toX = toY = -1;
4305 if (appData.debugMode) {
4306 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4307 setbuf(debugFP, NULL);
4311 /* Send move to chess program (BEFORE animating it). */
4312 if (appData.zippyPlay && !newGame && newMove &&
4313 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4315 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4316 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4317 if (moveList[moveNum - 1][0] == NULLCHAR) {
4318 sprintf(str, _("Couldn't parse move \"%s\" from ICS"),
4320 DisplayError(str, 0);
4322 if (first.sendTime) {
4323 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4325 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4326 if (firstMove && !bookHit) {
4328 if (first.useColors) {
4329 SendToProgram(gameMode == IcsPlayingWhite ?
4331 "black\ngo\n", &first);
4333 SendToProgram("go\n", &first);
4335 first.maybeThinking = TRUE;
4338 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4339 if (moveList[moveNum - 1][0] == NULLCHAR) {
4340 sprintf(str, _("Couldn't parse move \"%s\" from ICS"), move_str);
4341 DisplayError(str, 0);
4343 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4344 SendMoveToProgram(moveNum - 1, &first);
4351 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4352 /* If move comes from a remote source, animate it. If it
4353 isn't remote, it will have already been animated. */
4354 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4355 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4357 if (!pausing && appData.highlightLastMove) {
4358 SetHighlights(fromX, fromY, toX, toY);
4362 /* Start the clocks */
4363 whiteFlag = blackFlag = FALSE;
4364 appData.clockMode = !(basetime == 0 && increment == 0);
4366 ics_clock_paused = TRUE;
4368 } else if (ticking == 1) {
4369 ics_clock_paused = FALSE;
4371 if (gameMode == IcsIdle ||
4372 relation == RELATION_OBSERVING_STATIC ||
4373 relation == RELATION_EXAMINING ||
4375 DisplayBothClocks();
4379 /* Display opponents and material strengths */
4380 if (gameInfo.variant != VariantBughouse &&
4381 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4382 if (tinyLayout || smallLayout) {
4383 if(gameInfo.variant == VariantNormal)
4384 sprintf(str, "%s(%d) %s(%d) {%d %d}",
4385 gameInfo.white, white_stren, gameInfo.black, black_stren,
4386 basetime, increment);
4388 sprintf(str, "%s(%d) %s(%d) {%d %d w%d}",
4389 gameInfo.white, white_stren, gameInfo.black, black_stren,
4390 basetime, increment, (int) gameInfo.variant);
4392 if(gameInfo.variant == VariantNormal)
4393 sprintf(str, "%s (%d) vs. %s (%d) {%d %d}",
4394 gameInfo.white, white_stren, gameInfo.black, black_stren,
4395 basetime, increment);
4397 sprintf(str, "%s (%d) vs. %s (%d) {%d %d %s}",
4398 gameInfo.white, white_stren, gameInfo.black, black_stren,
4399 basetime, increment, VariantName(gameInfo.variant));
4402 if (appData.debugMode) {
4403 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4408 /* Display the board */
4409 if (!pausing && !appData.noGUI) {
4411 if (appData.premove)
4413 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4414 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4415 ClearPremoveHighlights();
4417 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4418 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4419 DrawPosition(j, boards[currentMove]);
4421 DisplayMove(moveNum - 1);
4422 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4423 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4424 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4425 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4429 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4431 if(bookHit) { // [HGM] book: simulate book reply
4432 static char bookMove[MSG_SIZ]; // a bit generous?
4434 programStats.nodes = programStats.depth = programStats.time =
4435 programStats.score = programStats.got_only_move = 0;
4436 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4438 strcpy(bookMove, "move ");
4439 strcat(bookMove, bookHit);
4440 HandleMachineMove(bookMove, &first);
4449 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4450 ics_getting_history = H_REQUESTED;
4451 sprintf(buf, "%smoves %d\n", ics_prefix, ics_gamenum);
4457 AnalysisPeriodicEvent(force)
4460 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4461 && !force) || !appData.periodicUpdates)
4464 /* Send . command to Crafty to collect stats */
4465 SendToProgram(".\n", &first);
4467 /* Don't send another until we get a response (this makes
4468 us stop sending to old Crafty's which don't understand
4469 the "." command (sending illegal cmds resets node count & time,
4470 which looks bad)) */
4471 programStats.ok_to_send = 0;
4474 void ics_update_width(new_width)
4477 ics_printf("set width %d\n", new_width);
4481 SendMoveToProgram(moveNum, cps)
4483 ChessProgramState *cps;
4487 if (cps->useUsermove) {
4488 SendToProgram("usermove ", cps);
4492 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4493 int len = space - parseList[moveNum];
4494 memcpy(buf, parseList[moveNum], len);
4496 buf[len] = NULLCHAR;
4498 sprintf(buf, "%s\n", parseList[moveNum]);
4500 SendToProgram(buf, cps);
4502 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4503 AlphaRank(moveList[moveNum], 4);
4504 SendToProgram(moveList[moveNum], cps);
4505 AlphaRank(moveList[moveNum], 4); // and back
4507 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4508 * the engine. It would be nice to have a better way to identify castle
4510 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4511 && cps->useOOCastle) {
4512 int fromX = moveList[moveNum][0] - AAA;
4513 int fromY = moveList[moveNum][1] - ONE;
4514 int toX = moveList[moveNum][2] - AAA;
4515 int toY = moveList[moveNum][3] - ONE;
4516 if((boards[moveNum][fromY][fromX] == WhiteKing
4517 && boards[moveNum][toY][toX] == WhiteRook)
4518 || (boards[moveNum][fromY][fromX] == BlackKing
4519 && boards[moveNum][toY][toX] == BlackRook)) {
4520 if(toX > fromX) SendToProgram("O-O\n", cps);
4521 else SendToProgram("O-O-O\n", cps);
4523 else SendToProgram(moveList[moveNum], cps);
4525 else SendToProgram(moveList[moveNum], cps);
4526 /* End of additions by Tord */
4529 /* [HGM] setting up the opening has brought engine in force mode! */
4530 /* Send 'go' if we are in a mode where machine should play. */
4531 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4532 (gameMode == TwoMachinesPlay ||
4534 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4536 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4537 SendToProgram("go\n", cps);
4538 if (appData.debugMode) {
4539 fprintf(debugFP, "(extra)\n");
4542 setboardSpoiledMachineBlack = 0;
4546 SendMoveToICS(moveType, fromX, fromY, toX, toY)
4548 int fromX, fromY, toX, toY;
4550 char user_move[MSG_SIZ];
4554 sprintf(user_move, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4555 (int)moveType, fromX, fromY, toX, toY);
4556 DisplayError(user_move + strlen("say "), 0);
4558 case WhiteKingSideCastle:
4559 case BlackKingSideCastle:
4560 case WhiteQueenSideCastleWild:
4561 case BlackQueenSideCastleWild:
4563 case WhiteHSideCastleFR:
4564 case BlackHSideCastleFR:
4566 sprintf(user_move, "o-o\n");
4568 case WhiteQueenSideCastle:
4569 case BlackQueenSideCastle:
4570 case WhiteKingSideCastleWild:
4571 case BlackKingSideCastleWild:
4573 case WhiteASideCastleFR:
4574 case BlackASideCastleFR:
4576 sprintf(user_move, "o-o-o\n");
4578 case WhitePromotionQueen:
4579 case BlackPromotionQueen:
4580 case WhitePromotionRook:
4581 case BlackPromotionRook:
4582 case WhitePromotionBishop:
4583 case BlackPromotionBishop:
4584 case WhitePromotionKnight:
4585 case BlackPromotionKnight:
4586 case WhitePromotionKing:
4587 case BlackPromotionKing:
4588 case WhitePromotionChancellor:
4589 case BlackPromotionChancellor:
4590 case WhitePromotionArchbishop:
4591 case BlackPromotionArchbishop:
4592 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4593 sprintf(user_move, "%c%c%c%c=%c\n",
4594 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4595 PieceToChar(WhiteFerz));
4596 else if(gameInfo.variant == VariantGreat)
4597 sprintf(user_move, "%c%c%c%c=%c\n",
4598 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4599 PieceToChar(WhiteMan));
4601 sprintf(user_move, "%c%c%c%c=%c\n",
4602 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4603 PieceToChar(PromoPiece(moveType)));
4607 sprintf(user_move, "%c@%c%c\n",
4608 ToUpper(PieceToChar((ChessSquare) fromX)),
4609 AAA + toX, ONE + toY);
4612 case WhiteCapturesEnPassant:
4613 case BlackCapturesEnPassant:
4614 case IllegalMove: /* could be a variant we don't quite understand */
4615 sprintf(user_move, "%c%c%c%c\n",
4616 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4619 SendToICS(user_move);
4620 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
4621 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
4626 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
4627 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
4628 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
4629 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
4630 DisplayError("You cannot do this while you are playing or observing", 0);
4633 if(gameMode != IcsExamining) { // is this ever not the case?
4634 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
4636 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
4637 sprintf(command, "match %s", ics_handle);
4638 } else { // on FICS we must first go to general examine mode
4639 strcpy(command, "examine\nbsetup"); // and specify variant within it with bsetups
4641 if(gameInfo.variant != VariantNormal) {
4642 // try figure out wild number, as xboard names are not always valid on ICS
4643 for(i=1; i<=36; i++) {
4644 sprintf(buf, "wild/%d", i);
4645 if(StringToVariant(buf) == gameInfo.variant) break;
4647 if(i<=36 && ics_type == ICS_ICC) sprintf(buf, "%s w%d\n", command, i);
4648 else if(i == 22) sprintf(buf, "%s fr\n", command);
4649 else sprintf(buf, "%s %s\n", command, VariantName(gameInfo.variant));
4650 } else sprintf(buf, "%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
4651 SendToICS(ics_prefix);
4653 if(startedFromSetupPosition || backwardMostMove != 0) {
4654 fen = PositionToFEN(backwardMostMove, NULL);
4655 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
4656 sprintf(buf, "loadfen %s\n", fen);
4658 } else { // FICS: everything has to set by separate bsetup commands
4659 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
4660 sprintf(buf, "bsetup fen %s\n", fen);
4662 if(!WhiteOnMove(backwardMostMove)) {
4663 SendToICS("bsetup tomove black\n");
4665 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
4666 sprintf(buf, "bsetup wcastle %s\n", castlingStrings[i]);
4668 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
4669 sprintf(buf, "bsetup bcastle %s\n", castlingStrings[i]);
4671 i = boards[backwardMostMove][EP_STATUS];
4672 if(i >= 0) { // set e.p.
4673 sprintf(buf, "bsetup eppos %c\n", i+AAA);
4679 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
4680 SendToICS("bsetup done\n"); // switch to normal examining.
4682 for(i = backwardMostMove; i<last; i++) {
4684 sprintf(buf, "%s\n", parseList[i]);
4687 SendToICS(ics_prefix);
4688 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
4692 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
4697 if (rf == DROP_RANK) {
4698 sprintf(move, "%c@%c%c\n",
4699 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
4701 if (promoChar == 'x' || promoChar == NULLCHAR) {
4702 sprintf(move, "%c%c%c%c\n",
4703 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
4705 sprintf(move, "%c%c%c%c%c\n",
4706 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
4712 ProcessICSInitScript(f)
4717 while (fgets(buf, MSG_SIZ, f)) {
4718 SendToICSDelayed(buf,(long)appData.msLoginDelay);
4725 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
4727 AlphaRank(char *move, int n)
4729 // char *p = move, c; int x, y;
4731 if (appData.debugMode) {
4732 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
4736 move[2]>='0' && move[2]<='9' &&
4737 move[3]>='a' && move[3]<='x' ) {
4739 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4740 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4742 if(move[0]>='0' && move[0]<='9' &&
4743 move[1]>='a' && move[1]<='x' &&
4744 move[2]>='0' && move[2]<='9' &&
4745 move[3]>='a' && move[3]<='x' ) {
4746 /* input move, Shogi -> normal */
4747 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
4748 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
4749 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4750 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4753 move[3]>='0' && move[3]<='9' &&
4754 move[2]>='a' && move[2]<='x' ) {
4756 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4757 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4760 move[0]>='a' && move[0]<='x' &&
4761 move[3]>='0' && move[3]<='9' &&
4762 move[2]>='a' && move[2]<='x' ) {
4763 /* output move, normal -> Shogi */
4764 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
4765 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
4766 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4767 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4768 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
4770 if (appData.debugMode) {
4771 fprintf(debugFP, " out = '%s'\n", move);
4775 char yy_textstr[8000];
4777 /* Parser for moves from gnuchess, ICS, or user typein box */
4779 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
4782 ChessMove *moveType;
4783 int *fromX, *fromY, *toX, *toY;
4786 if (appData.debugMode) {
4787 fprintf(debugFP, "move to parse: %s\n", move);
4789 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
4791 switch (*moveType) {
4792 case WhitePromotionChancellor:
4793 case BlackPromotionChancellor:
4794 case WhitePromotionArchbishop:
4795 case BlackPromotionArchbishop:
4796 case WhitePromotionQueen:
4797 case BlackPromotionQueen:
4798 case WhitePromotionRook:
4799 case BlackPromotionRook:
4800 case WhitePromotionBishop:
4801 case BlackPromotionBishop:
4802 case WhitePromotionKnight:
4803 case BlackPromotionKnight:
4804 case WhitePromotionKing:
4805 case BlackPromotionKing:
4807 case WhiteCapturesEnPassant:
4808 case BlackCapturesEnPassant:
4809 case WhiteKingSideCastle:
4810 case WhiteQueenSideCastle:
4811 case BlackKingSideCastle:
4812 case BlackQueenSideCastle:
4813 case WhiteKingSideCastleWild:
4814 case WhiteQueenSideCastleWild:
4815 case BlackKingSideCastleWild:
4816 case BlackQueenSideCastleWild:
4817 /* Code added by Tord: */
4818 case WhiteHSideCastleFR:
4819 case WhiteASideCastleFR:
4820 case BlackHSideCastleFR:
4821 case BlackASideCastleFR:
4822 /* End of code added by Tord */
4823 case IllegalMove: /* bug or odd chess variant */
4824 *fromX = currentMoveString[0] - AAA;
4825 *fromY = currentMoveString[1] - ONE;
4826 *toX = currentMoveString[2] - AAA;
4827 *toY = currentMoveString[3] - ONE;
4828 *promoChar = currentMoveString[4];
4829 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
4830 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
4831 if (appData.debugMode) {
4832 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
4834 *fromX = *fromY = *toX = *toY = 0;
4837 if (appData.testLegality) {
4838 return (*moveType != IllegalMove);
4840 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
4841 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
4846 *fromX = *moveType == WhiteDrop ?
4847 (int) CharToPiece(ToUpper(currentMoveString[0])) :
4848 (int) CharToPiece(ToLower(currentMoveString[0]));
4850 *toX = currentMoveString[2] - AAA;
4851 *toY = currentMoveString[3] - ONE;
4852 *promoChar = NULLCHAR;
4856 case ImpossibleMove:
4857 case (ChessMove) 0: /* end of file */
4866 if (appData.debugMode) {
4867 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
4870 *fromX = *fromY = *toX = *toY = 0;
4871 *promoChar = NULLCHAR;
4878 ParsePV(char *pv, Boolean storeComments)
4879 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
4880 int fromX, fromY, toX, toY; char promoChar;
4885 endPV = forwardMostMove;
4887 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
4888 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
4889 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
4890 if(appData.debugMode){
4891 fprintf(debugFP,"parsePV: %d %c%c%c%c yy='%s'\nPV = '%s'\n", valid, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, yy_textstr, pv);
4893 if(!valid && nr == 0 &&
4894 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
4895 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
4896 // Hande case where played move is different from leading PV move
4897 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
4898 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
4899 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
4900 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
4901 endPV += 2; // if position different, keep this
4902 moveList[endPV-1][0] = fromX + AAA;
4903 moveList[endPV-1][1] = fromY + ONE;
4904 moveList[endPV-1][2] = toX + AAA;
4905 moveList[endPV-1][3] = toY + ONE;
4906 parseList[endPV-1][0] = NULLCHAR;
4907 strcpy(moveList[endPV-2], "_0_0"); // suppress premove highlight on takeback move
4910 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
4911 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
4912 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
4913 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
4914 valid++; // allow comments in PV
4918 if(endPV+1 > framePtr) break; // no space, truncate
4921 CopyBoard(boards[endPV], boards[endPV-1]);
4922 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
4923 moveList[endPV-1][0] = fromX + AAA;
4924 moveList[endPV-1][1] = fromY + ONE;
4925 moveList[endPV-1][2] = toX + AAA;
4926 moveList[endPV-1][3] = toY + ONE;
4928 CoordsToAlgebraic(boards[endPV - 1],
4929 PosFlags(endPV - 1),
4930 fromY, fromX, toY, toX, promoChar,
4931 parseList[endPV - 1]);
4933 parseList[endPV-1][0] = NULLCHAR;
4935 currentMove = endPV;
4936 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
4937 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
4938 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
4939 DrawPosition(TRUE, boards[currentMove]);
4942 static int lastX, lastY;
4945 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
4950 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
4951 lastX = x; lastY = y;
4952 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
4954 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
4955 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
4957 do{ while(buf[index] && buf[index] != '\n') index++;
4958 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
4960 ParsePV(buf+startPV, FALSE);
4961 *start = startPV; *end = index-1;
4966 LoadPV(int x, int y)
4967 { // called on right mouse click to load PV
4968 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
4969 lastX = x; lastY = y;
4970 ParsePV(lastPV[which], FALSE); // load the PV of the thinking engine in the boards array.
4977 if(endPV < 0) return;
4979 currentMove = forwardMostMove;
4980 ClearPremoveHighlights();
4981 DrawPosition(TRUE, boards[currentMove]);
4985 MovePV(int x, int y, int h)
4986 { // step through PV based on mouse coordinates (called on mouse move)
4987 int margin = h>>3, step = 0;
4989 if(endPV < 0) return;
4990 // we must somehow check if right button is still down (might be released off board!)
4991 if(y < margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = 1; else
4992 if(y > h - margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = -1; else
4993 if( y > lastY + 6 ) step = -1; else if(y < lastY - 6) step = 1;
4995 lastX = x; lastY = y;
4996 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
4997 currentMove += step;
4998 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
4999 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5000 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5001 DrawPosition(FALSE, boards[currentMove]);
5005 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5006 // All positions will have equal probability, but the current method will not provide a unique
5007 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5013 int piecesLeft[(int)BlackPawn];
5014 int seed, nrOfShuffles;
5016 void GetPositionNumber()
5017 { // sets global variable seed
5020 seed = appData.defaultFrcPosition;
5021 if(seed < 0) { // randomize based on time for negative FRC position numbers
5022 for(i=0; i<50; i++) seed += random();
5023 seed = random() ^ random() >> 8 ^ random() << 8;
5024 if(seed<0) seed = -seed;
5028 int put(Board board, int pieceType, int rank, int n, int shade)
5029 // put the piece on the (n-1)-th empty squares of the given shade
5033 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5034 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5035 board[rank][i] = (ChessSquare) pieceType;
5036 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5038 piecesLeft[pieceType]--;
5046 void AddOnePiece(Board board, int pieceType, int rank, int shade)
5047 // calculate where the next piece goes, (any empty square), and put it there
5051 i = seed % squaresLeft[shade];
5052 nrOfShuffles *= squaresLeft[shade];
5053 seed /= squaresLeft[shade];
5054 put(board, pieceType, rank, i, shade);
5057 void AddTwoPieces(Board board, int pieceType, int rank)
5058 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5060 int i, n=squaresLeft[ANY], j=n-1, k;
5062 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5063 i = seed % k; // pick one
5066 while(i >= j) i -= j--;
5067 j = n - 1 - j; i += j;
5068 put(board, pieceType, rank, j, ANY);
5069 put(board, pieceType, rank, i, ANY);
5072 void SetUpShuffle(Board board, int number)
5076 GetPositionNumber(); nrOfShuffles = 1;
5078 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5079 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5080 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5082 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5084 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5085 p = (int) board[0][i];
5086 if(p < (int) BlackPawn) piecesLeft[p] ++;
5087 board[0][i] = EmptySquare;
5090 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5091 // shuffles restricted to allow normal castling put KRR first
5092 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5093 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5094 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5095 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5096 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5097 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5098 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5099 put(board, WhiteRook, 0, 0, ANY);
5100 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5103 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5104 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5105 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5106 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5107 while(piecesLeft[p] >= 2) {
5108 AddOnePiece(board, p, 0, LITE);
5109 AddOnePiece(board, p, 0, DARK);
5111 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5114 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5115 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5116 // but we leave King and Rooks for last, to possibly obey FRC restriction
5117 if(p == (int)WhiteRook) continue;
5118 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5119 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5122 // now everything is placed, except perhaps King (Unicorn) and Rooks
5124 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5125 // Last King gets castling rights
5126 while(piecesLeft[(int)WhiteUnicorn]) {
5127 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5128 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5131 while(piecesLeft[(int)WhiteKing]) {
5132 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5133 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5138 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5139 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5142 // Only Rooks can be left; simply place them all
5143 while(piecesLeft[(int)WhiteRook]) {
5144 i = put(board, WhiteRook, 0, 0, ANY);
5145 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5148 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5150 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5153 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5154 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5157 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5160 int SetCharTable( char *table, const char * map )
5161 /* [HGM] moved here from winboard.c because of its general usefulness */
5162 /* Basically a safe strcpy that uses the last character as King */
5164 int result = FALSE; int NrPieces;
5166 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5167 && NrPieces >= 12 && !(NrPieces&1)) {
5168 int i; /* [HGM] Accept even length from 12 to 34 */
5170 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5171 for( i=0; i<NrPieces/2-1; i++ ) {
5173 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5175 table[(int) WhiteKing] = map[NrPieces/2-1];
5176 table[(int) BlackKing] = map[NrPieces-1];
5184 void Prelude(Board board)
5185 { // [HGM] superchess: random selection of exo-pieces
5186 int i, j, k; ChessSquare p;
5187 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5189 GetPositionNumber(); // use FRC position number
5191 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5192 SetCharTable(pieceToChar, appData.pieceToCharTable);
5193 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5194 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5197 j = seed%4; seed /= 4;
5198 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5199 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5200 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5201 j = seed%3 + (seed%3 >= j); seed /= 3;
5202 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5203 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5204 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5205 j = seed%3; seed /= 3;
5206 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5207 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5208 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5209 j = seed%2 + (seed%2 >= j); seed /= 2;
5210 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5211 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5212 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5213 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5214 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5215 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5216 put(board, exoPieces[0], 0, 0, ANY);
5217 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5221 InitPosition(redraw)
5224 ChessSquare (* pieces)[BOARD_FILES];
5225 int i, j, pawnRow, overrule,
5226 oldx = gameInfo.boardWidth,
5227 oldy = gameInfo.boardHeight,
5228 oldh = gameInfo.holdingsWidth,
5229 oldv = gameInfo.variant;
5231 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5233 /* [AS] Initialize pv info list [HGM] and game status */
5235 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5236 pvInfoList[i].depth = 0;
5237 boards[i][EP_STATUS] = EP_NONE;
5238 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5241 initialRulePlies = 0; /* 50-move counter start */
5243 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5244 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5248 /* [HGM] logic here is completely changed. In stead of full positions */
5249 /* the initialized data only consist of the two backranks. The switch */
5250 /* selects which one we will use, which is than copied to the Board */
5251 /* initialPosition, which for the rest is initialized by Pawns and */
5252 /* empty squares. This initial position is then copied to boards[0], */
5253 /* possibly after shuffling, so that it remains available. */
5255 gameInfo.holdingsWidth = 0; /* default board sizes */
5256 gameInfo.boardWidth = 8;
5257 gameInfo.boardHeight = 8;
5258 gameInfo.holdingsSize = 0;
5259 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5260 for(i=0; i<BOARD_FILES-2; i++)
5261 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5262 initialPosition[EP_STATUS] = EP_NONE;
5263 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5265 switch (gameInfo.variant) {
5266 case VariantFischeRandom:
5267 shuffleOpenings = TRUE;
5271 case VariantShatranj:
5272 pieces = ShatranjArray;
5273 nrCastlingRights = 0;
5274 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5277 pieces = makrukArray;
5278 nrCastlingRights = 0;
5279 startedFromSetupPosition = TRUE;
5280 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5282 case VariantTwoKings:
5283 pieces = twoKingsArray;
5285 case VariantCapaRandom:
5286 shuffleOpenings = TRUE;
5287 case VariantCapablanca:
5288 pieces = CapablancaArray;
5289 gameInfo.boardWidth = 10;
5290 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5293 pieces = GothicArray;
5294 gameInfo.boardWidth = 10;
5295 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5298 pieces = JanusArray;
5299 gameInfo.boardWidth = 10;
5300 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5301 nrCastlingRights = 6;
5302 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5303 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5304 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5305 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5306 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5307 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5310 pieces = FalconArray;
5311 gameInfo.boardWidth = 10;
5312 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5314 case VariantXiangqi:
5315 pieces = XiangqiArray;
5316 gameInfo.boardWidth = 9;
5317 gameInfo.boardHeight = 10;
5318 nrCastlingRights = 0;
5319 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5322 pieces = ShogiArray;
5323 gameInfo.boardWidth = 9;
5324 gameInfo.boardHeight = 9;
5325 gameInfo.holdingsSize = 7;
5326 nrCastlingRights = 0;
5327 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5329 case VariantCourier:
5330 pieces = CourierArray;
5331 gameInfo.boardWidth = 12;
5332 nrCastlingRights = 0;
5333 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5335 case VariantKnightmate:
5336 pieces = KnightmateArray;
5337 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5340 pieces = fairyArray;
5341 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5344 pieces = GreatArray;
5345 gameInfo.boardWidth = 10;
5346 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5347 gameInfo.holdingsSize = 8;
5351 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5352 gameInfo.holdingsSize = 8;
5353 startedFromSetupPosition = TRUE;
5355 case VariantCrazyhouse:
5356 case VariantBughouse:
5358 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5359 gameInfo.holdingsSize = 5;
5361 case VariantWildCastle:
5363 /* !!?shuffle with kings guaranteed to be on d or e file */
5364 shuffleOpenings = 1;
5366 case VariantNoCastle:
5368 nrCastlingRights = 0;
5369 /* !!?unconstrained back-rank shuffle */
5370 shuffleOpenings = 1;
5375 if(appData.NrFiles >= 0) {
5376 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5377 gameInfo.boardWidth = appData.NrFiles;
5379 if(appData.NrRanks >= 0) {
5380 gameInfo.boardHeight = appData.NrRanks;
5382 if(appData.holdingsSize >= 0) {
5383 i = appData.holdingsSize;
5384 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5385 gameInfo.holdingsSize = i;
5387 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5388 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5389 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5391 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5392 if(pawnRow < 1) pawnRow = 1;
5393 if(gameInfo.variant == VariantMakruk) pawnRow = 2;
5395 /* User pieceToChar list overrules defaults */
5396 if(appData.pieceToCharTable != NULL)
5397 SetCharTable(pieceToChar, appData.pieceToCharTable);
5399 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5401 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5402 s = (ChessSquare) 0; /* account holding counts in guard band */
5403 for( i=0; i<BOARD_HEIGHT; i++ )
5404 initialPosition[i][j] = s;
5406 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5407 initialPosition[0][j] = pieces[0][j-gameInfo.holdingsWidth];
5408 initialPosition[pawnRow][j] = WhitePawn;
5409 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = BlackPawn;
5410 if(gameInfo.variant == VariantXiangqi) {
5412 initialPosition[pawnRow][j] =
5413 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5414 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5415 initialPosition[2][j] = WhiteCannon;
5416 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5420 initialPosition[BOARD_HEIGHT-1][j] = pieces[1][j-gameInfo.holdingsWidth];
5422 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5425 initialPosition[1][j] = WhiteBishop;
5426 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5428 initialPosition[1][j] = WhiteRook;
5429 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5432 if( nrCastlingRights == -1) {
5433 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5434 /* This sets default castling rights from none to normal corners */
5435 /* Variants with other castling rights must set them themselves above */
5436 nrCastlingRights = 6;
5438 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5439 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5440 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5441 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5442 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5443 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5446 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5447 if(gameInfo.variant == VariantGreat) { // promotion commoners
5448 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5449 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5450 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5451 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5453 if (appData.debugMode) {
5454 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5456 if(shuffleOpenings) {
5457 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5458 startedFromSetupPosition = TRUE;
5460 if(startedFromPositionFile) {
5461 /* [HGM] loadPos: use PositionFile for every new game */
5462 CopyBoard(initialPosition, filePosition);
5463 for(i=0; i<nrCastlingRights; i++)
5464 initialRights[i] = filePosition[CASTLING][i];
5465 startedFromSetupPosition = TRUE;
5468 CopyBoard(boards[0], initialPosition);
5470 if(oldx != gameInfo.boardWidth ||
5471 oldy != gameInfo.boardHeight ||
5472 oldh != gameInfo.holdingsWidth
5474 || oldv == VariantGothic || // For licensing popups
5475 gameInfo.variant == VariantGothic
5478 || oldv == VariantFalcon ||
5479 gameInfo.variant == VariantFalcon
5482 InitDrawingSizes(-2 ,0);
5485 DrawPosition(TRUE, boards[currentMove]);
5489 SendBoard(cps, moveNum)
5490 ChessProgramState *cps;
5493 char message[MSG_SIZ];
5495 if (cps->useSetboard) {
5496 char* fen = PositionToFEN(moveNum, cps->fenOverride);
5497 sprintf(message, "setboard %s\n", fen);
5498 SendToProgram(message, cps);
5504 /* Kludge to set black to move, avoiding the troublesome and now
5505 * deprecated "black" command.
5507 if (!WhiteOnMove(moveNum)) SendToProgram("a2a3\n", cps);
5509 SendToProgram("edit\n", cps);
5510 SendToProgram("#\n", cps);
5511 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5512 bp = &boards[moveNum][i][BOARD_LEFT];
5513 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5514 if ((int) *bp < (int) BlackPawn) {
5515 sprintf(message, "%c%c%c\n", PieceToChar(*bp),
5517 if(message[0] == '+' || message[0] == '~') {
5518 sprintf(message, "%c%c%c+\n",
5519 PieceToChar((ChessSquare)(DEMOTED *bp)),
5522 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5523 message[1] = BOARD_RGHT - 1 - j + '1';
5524 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5526 SendToProgram(message, cps);
5531 SendToProgram("c\n", cps);
5532 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5533 bp = &boards[moveNum][i][BOARD_LEFT];
5534 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5535 if (((int) *bp != (int) EmptySquare)
5536 && ((int) *bp >= (int) BlackPawn)) {
5537 sprintf(message, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
5539 if(message[0] == '+' || message[0] == '~') {
5540 sprintf(message, "%c%c%c+\n",
5541 PieceToChar((ChessSquare)(DEMOTED *bp)),
5544 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5545 message[1] = BOARD_RGHT - 1 - j + '1';
5546 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5548 SendToProgram(message, cps);
5553 SendToProgram(".\n", cps);
5555 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
5558 static int autoQueen; // [HGM] oneclick
5561 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice)
5563 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
5564 /* [HGM] add Shogi promotions */
5565 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
5570 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
5571 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
5573 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
5574 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
5577 piece = boards[currentMove][fromY][fromX];
5578 if(gameInfo.variant == VariantShogi) {
5579 promotionZoneSize = 3;
5580 highestPromotingPiece = (int)WhiteFerz;
5581 } else if(gameInfo.variant == VariantMakruk) {
5582 promotionZoneSize = 3;
5585 // next weed out all moves that do not touch the promotion zone at all
5586 if((int)piece >= BlackPawn) {
5587 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
5589 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
5591 if( toY < BOARD_HEIGHT - promotionZoneSize &&
5592 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
5595 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
5597 // weed out mandatory Shogi promotions
5598 if(gameInfo.variant == VariantShogi) {
5599 if(piece >= BlackPawn) {
5600 if(toY == 0 && piece == BlackPawn ||
5601 toY == 0 && piece == BlackQueen ||
5602 toY <= 1 && piece == BlackKnight) {
5607 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
5608 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
5609 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
5616 // weed out obviously illegal Pawn moves
5617 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
5618 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
5619 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
5620 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
5621 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
5622 // note we are not allowed to test for valid (non-)capture, due to premove
5625 // we either have a choice what to promote to, or (in Shogi) whether to promote
5626 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
5627 *promoChoice = PieceToChar(BlackFerz); // no choice
5630 if(autoQueen) { // predetermined
5631 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantLosers)
5632 *promoChoice = PieceToChar(BlackKing); // in Suicide Q is the last thing we want
5633 else *promoChoice = PieceToChar(BlackQueen);
5637 // suppress promotion popup on illegal moves that are not premoves
5638 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
5639 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
5640 if(appData.testLegality && !premove) {
5641 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5642 fromY, fromX, toY, toX, NULLCHAR);
5643 if(moveType != WhitePromotionQueen && moveType != BlackPromotionQueen &&
5644 moveType != WhitePromotionKnight && moveType != BlackPromotionKnight)
5652 InPalace(row, column)
5654 { /* [HGM] for Xiangqi */
5655 if( (row < 3 || row > BOARD_HEIGHT-4) &&
5656 column < (BOARD_WIDTH + 4)/2 &&
5657 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
5662 PieceForSquare (x, y)
5666 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
5669 return boards[currentMove][y][x];
5673 OKToStartUserMove(x, y)
5676 ChessSquare from_piece;
5679 if (matchMode) return FALSE;
5680 if (gameMode == EditPosition) return TRUE;
5682 if (x >= 0 && y >= 0)
5683 from_piece = boards[currentMove][y][x];
5685 from_piece = EmptySquare;
5687 if (from_piece == EmptySquare) return FALSE;
5689 white_piece = (int)from_piece >= (int)WhitePawn &&
5690 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
5693 case PlayFromGameFile:
5695 case TwoMachinesPlay:
5703 case MachinePlaysWhite:
5704 case IcsPlayingBlack:
5705 if (appData.zippyPlay) return FALSE;
5707 DisplayMoveError(_("You are playing Black"));
5712 case MachinePlaysBlack:
5713 case IcsPlayingWhite:
5714 if (appData.zippyPlay) return FALSE;
5716 DisplayMoveError(_("You are playing White"));
5722 if (!white_piece && WhiteOnMove(currentMove)) {
5723 DisplayMoveError(_("It is White's turn"));
5726 if (white_piece && !WhiteOnMove(currentMove)) {
5727 DisplayMoveError(_("It is Black's turn"));
5730 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
5731 /* Editing correspondence game history */
5732 /* Could disallow this or prompt for confirmation */
5737 case BeginningOfGame:
5738 if (appData.icsActive) return FALSE;
5739 if (!appData.noChessProgram) {
5741 DisplayMoveError(_("You are playing White"));
5748 if (!white_piece && WhiteOnMove(currentMove)) {
5749 DisplayMoveError(_("It is White's turn"));
5752 if (white_piece && !WhiteOnMove(currentMove)) {
5753 DisplayMoveError(_("It is Black's turn"));
5762 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
5763 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
5764 && gameMode != AnalyzeFile && gameMode != Training) {
5765 DisplayMoveError(_("Displayed position is not current"));
5772 OnlyMove(int *x, int *y, Boolean captures) {
5773 DisambiguateClosure cl;
5774 if (appData.zippyPlay) return FALSE;
5776 case MachinePlaysBlack:
5777 case IcsPlayingWhite:
5778 case BeginningOfGame:
5779 if(!WhiteOnMove(currentMove)) return FALSE;
5781 case MachinePlaysWhite:
5782 case IcsPlayingBlack:
5783 if(WhiteOnMove(currentMove)) return FALSE;
5788 cl.pieceIn = EmptySquare;
5793 cl.promoCharIn = NULLCHAR;
5794 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5795 if( cl.kind == NormalMove ||
5796 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5797 cl.kind == WhitePromotionQueen || cl.kind == BlackPromotionQueen ||
5798 cl.kind == WhitePromotionKnight || cl.kind == BlackPromotionKnight ||
5799 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5806 if(cl.kind != ImpossibleMove) return FALSE;
5807 cl.pieceIn = EmptySquare;
5812 cl.promoCharIn = NULLCHAR;
5813 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5814 if( cl.kind == NormalMove ||
5815 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5816 cl.kind == WhitePromotionQueen || cl.kind == BlackPromotionQueen ||
5817 cl.kind == WhitePromotionKnight || cl.kind == BlackPromotionKnight ||
5818 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5823 autoQueen = TRUE; // act as if autoQueen on when we click to-square
5829 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
5830 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
5831 int lastLoadGameUseList = FALSE;
5832 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
5833 ChessMove lastLoadGameStart = (ChessMove) 0;
5836 UserMoveTest(fromX, fromY, toX, toY, promoChar, captureOwn)
5837 int fromX, fromY, toX, toY;
5842 ChessSquare pdown, pup;
5844 /* Check if the user is playing in turn. This is complicated because we
5845 let the user "pick up" a piece before it is his turn. So the piece he
5846 tried to pick up may have been captured by the time he puts it down!
5847 Therefore we use the color the user is supposed to be playing in this
5848 test, not the color of the piece that is currently on the starting
5849 square---except in EditGame mode, where the user is playing both
5850 sides; fortunately there the capture race can't happen. (It can
5851 now happen in IcsExamining mode, but that's just too bad. The user
5852 will get a somewhat confusing message in that case.)
5856 case PlayFromGameFile:
5858 case TwoMachinesPlay:
5862 /* We switched into a game mode where moves are not accepted,
5863 perhaps while the mouse button was down. */
5864 return ImpossibleMove;
5866 case MachinePlaysWhite:
5867 /* User is moving for Black */
5868 if (WhiteOnMove(currentMove)) {
5869 DisplayMoveError(_("It is White's turn"));
5870 return ImpossibleMove;
5874 case MachinePlaysBlack:
5875 /* User is moving for White */
5876 if (!WhiteOnMove(currentMove)) {
5877 DisplayMoveError(_("It is Black's turn"));
5878 return ImpossibleMove;
5884 case BeginningOfGame:
5887 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
5888 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
5889 /* User is moving for Black */
5890 if (WhiteOnMove(currentMove)) {
5891 DisplayMoveError(_("It is White's turn"));
5892 return ImpossibleMove;
5895 /* User is moving for White */
5896 if (!WhiteOnMove(currentMove)) {
5897 DisplayMoveError(_("It is Black's turn"));
5898 return ImpossibleMove;
5903 case IcsPlayingBlack:
5904 /* User is moving for Black */
5905 if (WhiteOnMove(currentMove)) {
5906 if (!appData.premove) {
5907 DisplayMoveError(_("It is White's turn"));
5908 } else if (toX >= 0 && toY >= 0) {
5911 premoveFromX = fromX;
5912 premoveFromY = fromY;
5913 premovePromoChar = promoChar;
5915 if (appData.debugMode)
5916 fprintf(debugFP, "Got premove: fromX %d,"
5917 "fromY %d, toX %d, toY %d\n",
5918 fromX, fromY, toX, toY);
5920 return ImpossibleMove;
5924 case IcsPlayingWhite:
5925 /* User is moving for White */
5926 if (!WhiteOnMove(currentMove)) {
5927 if (!appData.premove) {
5928 DisplayMoveError(_("It is Black's turn"));
5929 } else if (toX >= 0 && toY >= 0) {
5932 premoveFromX = fromX;
5933 premoveFromY = fromY;
5934 premovePromoChar = promoChar;
5936 if (appData.debugMode)
5937 fprintf(debugFP, "Got premove: fromX %d,"
5938 "fromY %d, toX %d, toY %d\n",
5939 fromX, fromY, toX, toY);
5941 return ImpossibleMove;
5949 /* EditPosition, empty square, or different color piece;
5950 click-click move is possible */
5951 if (toX == -2 || toY == -2) {
5952 boards[0][fromY][fromX] = EmptySquare;
5953 return AmbiguousMove;
5954 } else if (toX >= 0 && toY >= 0) {
5955 boards[0][toY][toX] = boards[0][fromY][fromX];
5956 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
5957 if(boards[0][fromY][0] != EmptySquare) {
5958 if(boards[0][fromY][1]) boards[0][fromY][1]--;
5959 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
5962 if(fromX == BOARD_RGHT+1) {
5963 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
5964 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
5965 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
5968 boards[0][fromY][fromX] = EmptySquare;
5969 return AmbiguousMove;
5971 return ImpossibleMove;
5974 if(toX < 0 || toY < 0) return ImpossibleMove;
5975 pdown = boards[currentMove][fromY][fromX];
5976 pup = boards[currentMove][toY][toX];
5978 /* [HGM] If move started in holdings, it means a drop */
5979 if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) {
5980 if( pup != EmptySquare ) return ImpossibleMove;
5981 if(appData.testLegality) {
5982 /* it would be more logical if LegalityTest() also figured out
5983 * which drops are legal. For now we forbid pawns on back rank.
5984 * Shogi is on its own here...
5986 if( (pdown == WhitePawn || pdown == BlackPawn) &&
5987 (toY == 0 || toY == BOARD_HEIGHT -1 ) )
5988 return(ImpossibleMove); /* no pawn drops on 1st/8th */
5990 return WhiteDrop; /* Not needed to specify white or black yet */
5993 /* [HGM] always test for legality, to get promotion info */
5994 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5995 fromY, fromX, toY, toX, promoChar);
5996 /* [HGM] but possibly ignore an IllegalMove result */
5997 if (appData.testLegality) {
5998 if (moveType == IllegalMove || moveType == ImpossibleMove) {
5999 DisplayMoveError(_("Illegal move"));
6000 return ImpossibleMove;
6005 /* [HGM] <popupFix> in stead of calling FinishMove directly, this
6006 function is made into one that returns an OK move type if FinishMove
6007 should be called. This to give the calling driver routine the
6008 opportunity to finish the userMove input with a promotion popup,
6009 without bothering the user with this for invalid or illegal moves */
6011 /* FinishMove(moveType, fromX, fromY, toX, toY, promoChar); */
6014 /* Common tail of UserMoveEvent and DropMenuEvent */
6016 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
6018 int fromX, fromY, toX, toY;
6019 /*char*/int promoChar;
6023 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR) {
6024 // [HGM] superchess: suppress promotions to non-available piece
6025 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6026 if(WhiteOnMove(currentMove)) {
6027 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6029 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6033 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6034 move type in caller when we know the move is a legal promotion */
6035 if(moveType == NormalMove && promoChar)
6036 moveType = PromoCharToMoveType(WhiteOnMove(currentMove), promoChar);
6038 /* [HGM] convert drag-and-drop piece drops to standard form */
6039 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ){
6040 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6041 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6042 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6043 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6044 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6045 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6046 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6050 /* [HGM] <popupFix> The following if has been moved here from
6051 UserMoveEvent(). Because it seemed to belong here (why not allow
6052 piece drops in training games?), and because it can only be
6053 performed after it is known to what we promote. */
6054 if (gameMode == Training) {
6055 /* compare the move played on the board to the next move in the
6056 * game. If they match, display the move and the opponent's response.
6057 * If they don't match, display an error message.
6061 CopyBoard(testBoard, boards[currentMove]);
6062 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6064 if (CompareBoards(testBoard, boards[currentMove+1])) {
6065 ForwardInner(currentMove+1);
6067 /* Autoplay the opponent's response.
6068 * if appData.animate was TRUE when Training mode was entered,
6069 * the response will be animated.
6071 saveAnimate = appData.animate;
6072 appData.animate = animateTraining;
6073 ForwardInner(currentMove+1);
6074 appData.animate = saveAnimate;
6076 /* check for the end of the game */
6077 if (currentMove >= forwardMostMove) {
6078 gameMode = PlayFromGameFile;
6080 SetTrainingModeOff();
6081 DisplayInformation(_("End of game"));
6084 DisplayError(_("Incorrect move"), 0);
6089 /* Ok, now we know that the move is good, so we can kill
6090 the previous line in Analysis Mode */
6091 if ((gameMode == AnalyzeMode || gameMode == EditGame)
6092 && currentMove < forwardMostMove) {
6093 PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6096 /* If we need the chess program but it's dead, restart it */
6097 ResurrectChessProgram();
6099 /* A user move restarts a paused game*/
6103 thinkOutput[0] = NULLCHAR;
6105 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6107 if(Adjudicate(NULL)) return 1; // [HGM] adjudicate: take care of automtic game end
6109 if (gameMode == BeginningOfGame) {
6110 if (appData.noChessProgram) {
6111 gameMode = EditGame;
6115 gameMode = MachinePlaysBlack;
6118 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
6120 if (first.sendName) {
6121 sprintf(buf, "name %s\n", gameInfo.white);
6122 SendToProgram(buf, &first);
6129 /* Relay move to ICS or chess engine */
6130 if (appData.icsActive) {
6131 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6132 gameMode == IcsExamining) {
6133 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6134 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6136 SendMoveToICS(moveType, fromX, fromY, toX, toY);
6138 // also send plain move, in case ICS does not understand atomic claims
6139 SendMoveToICS(moveType, fromX, fromY, toX, toY);
6143 if (first.sendTime && (gameMode == BeginningOfGame ||
6144 gameMode == MachinePlaysWhite ||
6145 gameMode == MachinePlaysBlack)) {
6146 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6148 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6149 // [HGM] book: if program might be playing, let it use book
6150 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6151 first.maybeThinking = TRUE;
6152 } else SendMoveToProgram(forwardMostMove-1, &first);
6153 if (currentMove == cmailOldMove + 1) {
6154 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6158 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6162 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6168 if (WhiteOnMove(currentMove)) {
6169 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6171 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6175 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6180 case MachinePlaysBlack:
6181 case MachinePlaysWhite:
6182 /* disable certain menu options while machine is thinking */
6183 SetMachineThinkingEnables();
6190 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6192 if(bookHit) { // [HGM] book: simulate book reply
6193 static char bookMove[MSG_SIZ]; // a bit generous?
6195 programStats.nodes = programStats.depth = programStats.time =
6196 programStats.score = programStats.got_only_move = 0;
6197 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6199 strcpy(bookMove, "move ");
6200 strcat(bookMove, bookHit);
6201 HandleMachineMove(bookMove, &first);
6207 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
6208 int fromX, fromY, toX, toY;
6211 /* [HGM] This routine was added to allow calling of its two logical
6212 parts from other modules in the old way. Before, UserMoveEvent()
6213 automatically called FinishMove() if the move was OK, and returned
6214 otherwise. I separated the two, in order to make it possible to
6215 slip a promotion popup in between. But that it always needs two
6216 calls, to the first part, (now called UserMoveTest() ), and to
6217 FinishMove if the first part succeeded. Calls that do not need
6218 to do anything in between, can call this routine the old way.
6220 ChessMove moveType = UserMoveTest(fromX, fromY, toX, toY, promoChar, FALSE);
6221 if(appData.debugMode) fprintf(debugFP, "moveType 4 = %d, promochar = %x\n", moveType, promoChar);
6222 if(moveType == AmbiguousMove)
6223 DrawPosition(FALSE, boards[currentMove]);
6224 else if(moveType != ImpossibleMove && moveType != Comment)
6225 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6229 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6236 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6237 Markers *m = (Markers *) closure;
6238 if(rf == fromY && ff == fromX)
6239 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6240 || kind == WhiteCapturesEnPassant
6241 || kind == BlackCapturesEnPassant);
6242 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6246 MarkTargetSquares(int clear)
6249 if(!appData.markers || !appData.highlightDragging ||
6250 !appData.testLegality || gameMode == EditPosition) return;
6252 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6255 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker);
6256 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6257 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6259 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6262 DrawPosition(TRUE, NULL);
6265 void LeftClick(ClickType clickType, int xPix, int yPix)
6268 Boolean saveAnimate;
6269 static int second = 0, promotionChoice = 0, dragging = 0;
6270 char promoChoice = NULLCHAR;
6272 if(appData.seekGraph && appData.icsActive && loggedOn &&
6273 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6274 SeekGraphClick(clickType, xPix, yPix, 0);
6278 if (clickType == Press) ErrorPopDown();
6279 MarkTargetSquares(1);
6281 x = EventToSquare(xPix, BOARD_WIDTH);
6282 y = EventToSquare(yPix, BOARD_HEIGHT);
6283 if (!flipView && y >= 0) {
6284 y = BOARD_HEIGHT - 1 - y;
6286 if (flipView && x >= 0) {
6287 x = BOARD_WIDTH - 1 - x;
6290 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6291 if(clickType == Release) return; // ignore upclick of click-click destination
6292 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6293 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6294 if(gameInfo.holdingsWidth &&
6295 (WhiteOnMove(currentMove)
6296 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y > 0
6297 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT-1) ) {
6298 // click in right holdings, for determining promotion piece
6299 ChessSquare p = boards[currentMove][y][x];
6300 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6301 if(p != EmptySquare) {
6302 FinishMove(NormalMove, fromX, fromY, toX, toY, ToLower(PieceToChar(p)));
6307 DrawPosition(FALSE, boards[currentMove]);
6311 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6312 if(clickType == Press
6313 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6314 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6315 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6318 autoQueen = appData.alwaysPromoteToQueen;
6321 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE)) {
6322 if (clickType == Press) {
6324 if (OKToStartUserMove(x, y)) {
6328 MarkTargetSquares(0);
6329 DragPieceBegin(xPix, yPix); dragging = 1;
6330 if (appData.highlightDragging) {
6331 SetHighlights(x, y, -1, -1);
6334 } else if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6335 DragPieceEnd(xPix, yPix); dragging = 0;
6336 DrawPosition(FALSE, NULL);
6343 if (clickType == Press && gameMode != EditPosition) {
6348 // ignore off-board to clicks
6349 if(y < 0 || x < 0) return;
6351 /* Check if clicking again on the same color piece */
6352 fromP = boards[currentMove][fromY][fromX];
6353 toP = boards[currentMove][y][x];
6354 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom;
6355 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6356 WhitePawn <= toP && toP <= WhiteKing &&
6357 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6358 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6359 (BlackPawn <= fromP && fromP <= BlackKing &&
6360 BlackPawn <= toP && toP <= BlackKing &&
6361 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6362 !(fromP == BlackKing && toP == BlackRook && frc))) {
6363 /* Clicked again on same color piece -- changed his mind */
6364 second = (x == fromX && y == fromY);
6365 if(!second || !OnlyMove(&x, &y, TRUE)) {
6366 if (appData.highlightDragging) {
6367 SetHighlights(x, y, -1, -1);
6371 if (OKToStartUserMove(x, y)) {
6373 fromY = y; dragging = 1;
6374 MarkTargetSquares(0);
6375 DragPieceBegin(xPix, yPix);
6380 // ignore clicks on holdings
6381 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6384 if (clickType == Release && x == fromX && y == fromY) {
6385 DragPieceEnd(xPix, yPix); dragging = 0;
6386 if (appData.animateDragging) {
6387 /* Undo animation damage if any */
6388 DrawPosition(FALSE, NULL);
6391 /* Second up/down in same square; just abort move */
6396 ClearPremoveHighlights();
6398 /* First upclick in same square; start click-click mode */
6399 SetHighlights(x, y, -1, -1);
6404 /* we now have a different from- and (possibly off-board) to-square */
6405 /* Completed move */
6408 saveAnimate = appData.animate;
6409 if (clickType == Press) {
6410 /* Finish clickclick move */
6411 if (appData.animate || appData.highlightLastMove) {
6412 SetHighlights(fromX, fromY, toX, toY);
6417 /* Finish drag move */
6418 if (appData.highlightLastMove) {
6419 SetHighlights(fromX, fromY, toX, toY);
6423 DragPieceEnd(xPix, yPix); dragging = 0;
6424 /* Don't animate move and drag both */
6425 appData.animate = FALSE;
6428 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
6429 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
6430 ChessSquare piece = boards[currentMove][fromY][fromX];
6431 if(gameMode == EditPosition && piece != EmptySquare &&
6432 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
6435 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
6436 n = PieceToNumber(piece - (int)BlackPawn);
6437 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
6438 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
6439 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
6441 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
6442 n = PieceToNumber(piece);
6443 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
6444 boards[currentMove][n][BOARD_WIDTH-1] = piece;
6445 boards[currentMove][n][BOARD_WIDTH-2]++;
6447 boards[currentMove][fromY][fromX] = EmptySquare;
6451 DrawPosition(TRUE, boards[currentMove]);
6455 // off-board moves should not be highlighted
6456 if(x < 0 || x < 0) ClearHighlights();
6458 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
6459 SetHighlights(fromX, fromY, toX, toY);
6460 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6461 // [HGM] super: promotion to captured piece selected from holdings
6462 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
6463 promotionChoice = TRUE;
6464 // kludge follows to temporarily execute move on display, without promoting yet
6465 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
6466 boards[currentMove][toY][toX] = p;
6467 DrawPosition(FALSE, boards[currentMove]);
6468 boards[currentMove][fromY][fromX] = p; // take back, but display stays
6469 boards[currentMove][toY][toX] = q;
6470 DisplayMessage("Click in holdings to choose piece", "");
6475 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
6476 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
6477 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
6480 appData.animate = saveAnimate;
6481 if (appData.animate || appData.animateDragging) {
6482 /* Undo animation damage if needed */
6483 DrawPosition(FALSE, NULL);
6487 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
6488 { // front-end-free part taken out of PieceMenuPopup
6489 int whichMenu; int xSqr, ySqr;
6491 if(seekGraphUp) { // [HGM] seekgraph
6492 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
6493 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
6497 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
6498 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
6499 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
6500 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
6501 if(action == Press) {
6502 originalFlip = flipView;
6503 flipView = !flipView; // temporarily flip board to see game from partners perspective
6504 DrawPosition(TRUE, partnerBoard);
6505 DisplayMessage(partnerStatus, "");
6507 } else if(action == Release) {
6508 flipView = originalFlip;
6509 DrawPosition(TRUE, boards[currentMove]);
6515 xSqr = EventToSquare(x, BOARD_WIDTH);
6516 ySqr = EventToSquare(y, BOARD_HEIGHT);
6517 if (action == Release) UnLoadPV(); // [HGM] pv
6518 if (action != Press) return -2; // return code to be ignored
6521 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
\r
6523 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
\r
6524 if (xSqr < 0 || ySqr < 0) return -1;
\r
6525 whichMenu = 0; // edit-position menu
6528 if(!appData.icsEngineAnalyze) return -1;
6529 case IcsPlayingWhite:
6530 case IcsPlayingBlack:
6531 if(!appData.zippyPlay) goto noZip;
6534 case MachinePlaysWhite:
6535 case MachinePlaysBlack:
6536 case TwoMachinesPlay: // [HGM] pv: use for showing PV
6537 if (!appData.dropMenu) {
6539 return 2; // flag front-end to grab mouse events
6541 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
6542 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
6545 if (xSqr < 0 || ySqr < 0) return -1;
6546 if (!appData.dropMenu || appData.testLegality &&
6547 gameInfo.variant != VariantBughouse &&
6548 gameInfo.variant != VariantCrazyhouse) return -1;
6549 whichMenu = 1; // drop menu
6555 if (((*fromX = xSqr) < 0) ||
6556 ((*fromY = ySqr) < 0)) {
6557 *fromX = *fromY = -1;
6561 *fromX = BOARD_WIDTH - 1 - *fromX;
6563 *fromY = BOARD_HEIGHT - 1 - *fromY;
6568 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
6570 // char * hint = lastHint;
6571 FrontEndProgramStats stats;
6573 stats.which = cps == &first ? 0 : 1;
6574 stats.depth = cpstats->depth;
6575 stats.nodes = cpstats->nodes;
6576 stats.score = cpstats->score;
6577 stats.time = cpstats->time;
6578 stats.pv = cpstats->movelist;
6579 stats.hint = lastHint;
6580 stats.an_move_index = 0;
6581 stats.an_move_count = 0;
6583 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
6584 stats.hint = cpstats->move_name;
6585 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
6586 stats.an_move_count = cpstats->nr_moves;
6589 if(stats.pv && stats.pv[0]) strcpy(lastPV[stats.which], stats.pv); // [HGM] pv: remember last PV of each
6591 SetProgramStats( &stats );
6595 Adjudicate(ChessProgramState *cps)
6596 { // [HGM] some adjudications useful with buggy engines
6597 // [HGM] adjudicate: made into separate routine, which now can be called after every move
6598 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
6599 // Actually ending the game is now based on the additional internal condition canAdjudicate.
6600 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
6601 int k, count = 0; static int bare = 1;
6602 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
6603 Boolean canAdjudicate = !appData.icsActive;
6605 // most tests only when we understand the game, i.e. legality-checking on, and (for the time being) no piece drops
6606 if(gameInfo.holdingsSize == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6607 if( appData.testLegality )
6608 { /* [HGM] Some more adjudications for obstinate engines */
6609 int NrWN=0, NrBN=0, NrWB=0, NrBB=0, NrWR=0, NrBR=0,
6610 NrWQ=0, NrBQ=0, NrW=0, NrK=0, bishopsColor = 0,
6611 NrPieces=0, NrPawns=0, PawnAdvance=0, i, j;
6612 static int moveCount = 6;
6614 char *reason = NULL;
6616 /* Count what is on board. */
6617 for(i=0; i<BOARD_HEIGHT; i++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
6618 { ChessSquare p = boards[forwardMostMove][i][j];
6622 { /* count B,N,R and other of each side */
6625 NrK++; break; // [HGM] atomic: count Kings
6629 case WhiteFerz: // [HGM] shatranj: kludge to mke it work in shatranj
6630 bishopsColor |= 1 << ((i^j)&1);
6635 case BlackFerz: // [HGM] shatranj: kludge to mke it work in shatranj
6636 bishopsColor |= 1 << ((i^j)&1);
6653 PawnAdvance += m; NrPawns++;
6655 NrPieces += (p != EmptySquare);
6656 NrW += ((int)p < (int)BlackPawn);
6657 if(gameInfo.variant == VariantXiangqi &&
6658 (p == WhiteFerz || p == WhiteAlfil || p == BlackFerz || p == BlackAlfil)) {
6659 NrPieces--; // [HGM] XQ: do not count purely defensive pieces
6660 NrW -= ((int)p < (int)BlackPawn);
6664 /* Some material-based adjudications that have to be made before stalemate test */
6665 if(gameInfo.variant == VariantAtomic && NrK < 2) {
6666 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
6667 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
6668 if(canAdjudicate && appData.checkMates) {
6670 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6671 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6672 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
6673 "Xboard adjudication: King destroyed", GE_XBOARD );
6678 /* Bare King in Shatranj (loses) or Losers (wins) */
6679 if( NrW == 1 || NrPieces - NrW == 1) {
6680 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
6681 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
6682 if(canAdjudicate && appData.checkMates) {
6684 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
6685 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6686 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6687 "Xboard adjudication: Bare king", GE_XBOARD );
6691 if( gameInfo.variant == VariantShatranj && --bare < 0)
6693 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
6694 if(canAdjudicate && appData.checkMates) {
6695 /* but only adjudicate if adjudication enabled */
6697 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6698 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6699 GameEnds( NrW > 1 ? WhiteWins : NrPieces - NrW > 1 ? BlackWins : GameIsDrawn,
6700 "Xboard adjudication: Bare king", GE_XBOARD );
6707 // don't wait for engine to announce game end if we can judge ourselves
6708 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
6710 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
6711 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
6712 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
6713 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
6716 reason = "Xboard adjudication: 3rd check";
6717 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
6727 reason = "Xboard adjudication: Stalemate";
6728 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
6729 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
6730 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
6731 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
6732 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
6733 boards[forwardMostMove][EP_STATUS] = NrW == NrPieces-NrW ? EP_STALEMATE :
6734 ((NrW < NrPieces-NrW) != WhiteOnMove(forwardMostMove) ?
6735 EP_CHECKMATE : EP_WINS);
6736 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
6737 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
6741 reason = "Xboard adjudication: Checkmate";
6742 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
6746 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
6748 result = GameIsDrawn; break;
6750 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
6752 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
6754 result = (ChessMove) 0;
6756 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
6758 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6759 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6760 GameEnds( result, reason, GE_XBOARD );
6764 /* Next absolutely insufficient mating material. */
6765 if( NrPieces == 2 || gameInfo.variant != VariantXiangqi &&
6766 gameInfo.variant != VariantShatranj && // [HGM] baring will remain possible
6767 (NrPieces == 3 && NrWN+NrBN+NrWB+NrBB == 1 ||
6768 NrPieces == NrBB+NrWB+2 && bishopsColor != 3) // [HGM] all Bishops (Ferz!) same color
6769 || gameInfo.variant == VariantXiangqi &&
6770 (NrPieces == 3 && (NrWQ==1 && NrWB==0 && NrBB<2 || NrBQ==1 && NrBB==0 && NrWB<2) ||
6771 NrPieces == 4 && NrWQ==1 && NrBQ==1 && NrWB==0 && NrBB==0))
6772 { /* KBK, KNK, KK of KBKB with like Bishops */
6774 /* always flag draws, for judging claims */
6775 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
6777 if(canAdjudicate && appData.materialDraws) {
6778 /* but only adjudicate them if adjudication enabled */
6779 if(engineOpponent) {
6780 SendToProgram("force\n", engineOpponent); // suppress reply
6781 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
6783 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6784 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
6789 /* Then some trivial draws (only adjudicate, cannot be claimed) */
6791 ( NrWR == 1 && NrBR == 1 /* KRKR */
6792 || NrWQ==1 && NrBQ==1 /* KQKQ */
6793 || NrWN==2 || NrBN==2 /* KNNK */
6794 || NrWN+NrWB == 1 && NrBN+NrBB == 1 /* KBKN, KBKB, KNKN */
6796 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
6797 { /* if the first 3 moves do not show a tactical win, declare draw */
6798 if(engineOpponent) {
6799 SendToProgram("force\n", engineOpponent); // suppress reply
6800 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6802 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6803 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
6806 } else moveCount = 6;
6810 if (appData.debugMode) { int i;
6811 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
6812 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
6813 appData.drawRepeats);
6814 for( i=forwardMostMove; i>=backwardMostMove; i-- )
6815 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
6819 // Repetition draws and 50-move rule can be applied independently of legality testing
6821 /* Check for rep-draws */
6823 for(k = forwardMostMove-2;
6824 k>=backwardMostMove && k>=forwardMostMove-100 &&
6825 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
6826 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
6829 if(CompareBoards(boards[k], boards[forwardMostMove])) {
6830 /* compare castling rights */
6831 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
6832 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
6833 rights++; /* King lost rights, while rook still had them */
6834 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
6835 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
6836 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
6837 rights++; /* but at least one rook lost them */
6839 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
6840 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
6842 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
6843 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
6844 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
6847 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
6848 && appData.drawRepeats > 1) {
6849 /* adjudicate after user-specified nr of repeats */
6850 int result = GameIsDrawn;
6851 char *details = "XBoard adjudication: repetition draw";
6852 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
6853 // [HGM] xiangqi: check for forbidden perpetuals
6854 int m, ourPerpetual = 1, hisPerpetual = 1;
6855 for(m=forwardMostMove; m>k; m-=2) {
6856 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
6857 ourPerpetual = 0; // the current mover did not always check
6858 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
6859 hisPerpetual = 0; // the opponent did not always check
6861 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
6862 ourPerpetual, hisPerpetual);
6863 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
6864 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
6865 details = "Xboard adjudication: perpetual checking";
6867 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
6868 break; // (or we would have caught him before). Abort repetition-checking loop.
6870 // Now check for perpetual chases
6871 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
6872 hisPerpetual = PerpetualChase(k, forwardMostMove);
6873 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
6874 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
6875 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
6876 details = "Xboard adjudication: perpetual chasing";
6878 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
6879 break; // Abort repetition-checking loop.
6881 // if neither of us is checking or chasing all the time, or both are, it is draw
6883 if(engineOpponent) {
6884 SendToProgram("force\n", engineOpponent); // suppress reply
6885 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6887 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6888 GameEnds( result, details, GE_XBOARD );
6891 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
6892 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
6896 /* Now we test for 50-move draws. Determine ply count */
6897 count = forwardMostMove;
6898 /* look for last irreversble move */
6899 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
6901 /* if we hit starting position, add initial plies */
6902 if( count == backwardMostMove )
6903 count -= initialRulePlies;
6904 count = forwardMostMove - count;
6905 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
6906 // adjust reversible move counter for checks in Xiangqi
6907 int i = forwardMostMove - count, inCheck = 0, lastCheck;
6908 if(i < backwardMostMove) i = backwardMostMove;
6909 while(i <= forwardMostMove) {
6910 lastCheck = inCheck; // check evasion does not count
6911 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
6912 if(inCheck || lastCheck) count--; // check does not count
6917 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
6918 /* this is used to judge if draw claims are legal */
6919 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
6920 if(engineOpponent) {
6921 SendToProgram("force\n", engineOpponent); // suppress reply
6922 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6924 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6925 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
6929 /* if draw offer is pending, treat it as a draw claim
6930 * when draw condition present, to allow engines a way to
6931 * claim draws before making their move to avoid a race
6932 * condition occurring after their move
6934 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
6936 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
6937 p = "Draw claim: 50-move rule";
6938 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
6939 p = "Draw claim: 3-fold repetition";
6940 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
6941 p = "Draw claim: insufficient mating material";
6942 if( p != NULL && canAdjudicate) {
6943 if(engineOpponent) {
6944 SendToProgram("force\n", engineOpponent); // suppress reply
6945 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6947 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6948 GameEnds( GameIsDrawn, p, GE_XBOARD );
6953 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
6954 if(engineOpponent) {
6955 SendToProgram("force\n", engineOpponent); // suppress reply
6956 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6958 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6959 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
6965 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
6966 { // [HGM] book: this routine intercepts moves to simulate book replies
6967 char *bookHit = NULL;
6969 //first determine if the incoming move brings opponent into his book
6970 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
6971 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
6972 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
6973 if(bookHit != NULL && !cps->bookSuspend) {
6974 // make sure opponent is not going to reply after receiving move to book position
6975 SendToProgram("force\n", cps);
6976 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
6978 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
6979 // now arrange restart after book miss
6981 // after a book hit we never send 'go', and the code after the call to this routine
6982 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
6984 sprintf(buf, "%s%s\n", (cps->useUsermove ? "usermove " : ""), bookHit); // force book move into program supposed to play it
6985 SendToProgram(buf, cps);
6986 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
6987 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
6988 SendToProgram("go\n", cps);
6989 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
6990 } else { // 'go' might be sent based on 'firstMove' after this routine returns
6991 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
6992 SendToProgram("go\n", cps);
6993 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
6995 return bookHit; // notify caller of hit, so it can take action to send move to opponent
6999 ChessProgramState *savedState;
7000 void DeferredBookMove(void)
7002 if(savedState->lastPing != savedState->lastPong)
7003 ScheduleDelayedEvent(DeferredBookMove, 10);
7005 HandleMachineMove(savedMessage, savedState);
7009 HandleMachineMove(message, cps)
7011 ChessProgramState *cps;
7013 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7014 char realname[MSG_SIZ];
7015 int fromX, fromY, toX, toY;
7024 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7026 * Kludge to ignore BEL characters
7028 while (*message == '\007') message++;
7031 * [HGM] engine debug message: ignore lines starting with '#' character
7033 if(cps->debug && *message == '#') return;
7036 * Look for book output
7038 if (cps == &first && bookRequested) {
7039 if (message[0] == '\t' || message[0] == ' ') {
7040 /* Part of the book output is here; append it */
7041 strcat(bookOutput, message);
7042 strcat(bookOutput, " \n");
7044 } else if (bookOutput[0] != NULLCHAR) {
7045 /* All of book output has arrived; display it */
7046 char *p = bookOutput;
7047 while (*p != NULLCHAR) {
7048 if (*p == '\t') *p = ' ';
7051 DisplayInformation(bookOutput);
7052 bookRequested = FALSE;
7053 /* Fall through to parse the current output */
7058 * Look for machine move.
7060 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7061 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7063 /* This method is only useful on engines that support ping */
7064 if (cps->lastPing != cps->lastPong) {
7065 if (gameMode == BeginningOfGame) {
7066 /* Extra move from before last new; ignore */
7067 if (appData.debugMode) {
7068 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7071 if (appData.debugMode) {
7072 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7073 cps->which, gameMode);
7076 SendToProgram("undo\n", cps);
7082 case BeginningOfGame:
7083 /* Extra move from before last reset; ignore */
7084 if (appData.debugMode) {
7085 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7092 /* Extra move after we tried to stop. The mode test is
7093 not a reliable way of detecting this problem, but it's
7094 the best we can do on engines that don't support ping.
7096 if (appData.debugMode) {
7097 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7098 cps->which, gameMode);
7100 SendToProgram("undo\n", cps);
7103 case MachinePlaysWhite:
7104 case IcsPlayingWhite:
7105 machineWhite = TRUE;
7108 case MachinePlaysBlack:
7109 case IcsPlayingBlack:
7110 machineWhite = FALSE;
7113 case TwoMachinesPlay:
7114 machineWhite = (cps->twoMachinesColor[0] == 'w');
7117 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7118 if (appData.debugMode) {
7120 "Ignoring move out of turn by %s, gameMode %d"
7121 ", forwardMost %d\n",
7122 cps->which, gameMode, forwardMostMove);
7127 if (appData.debugMode) { int f = forwardMostMove;
7128 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7129 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7130 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7132 if(cps->alphaRank) AlphaRank(machineMove, 4);
7133 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7134 &fromX, &fromY, &toX, &toY, &promoChar)) {
7135 /* Machine move could not be parsed; ignore it. */
7136 sprintf(buf1, _("Illegal move \"%s\" from %s machine"),
7137 machineMove, cps->which);
7138 DisplayError(buf1, 0);
7139 sprintf(buf1, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7140 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7141 if (gameMode == TwoMachinesPlay) {
7142 GameEnds(machineWhite ? BlackWins : WhiteWins,
7148 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7149 /* So we have to redo legality test with true e.p. status here, */
7150 /* to make sure an illegal e.p. capture does not slip through, */
7151 /* to cause a forfeit on a justified illegal-move complaint */
7152 /* of the opponent. */
7153 if( gameMode==TwoMachinesPlay && appData.testLegality
7154 && fromY != DROP_RANK /* [HGM] temporary; should still add legality test for drops */
7157 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7158 fromY, fromX, toY, toX, promoChar);
7159 if (appData.debugMode) {
7161 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7162 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7163 fprintf(debugFP, "castling rights\n");
7165 if(moveType == IllegalMove) {
7166 sprintf(buf1, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7167 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7168 GameEnds(machineWhite ? BlackWins : WhiteWins,
7171 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7172 /* [HGM] Kludge to handle engines that send FRC-style castling
7173 when they shouldn't (like TSCP-Gothic) */
7175 case WhiteASideCastleFR:
7176 case BlackASideCastleFR:
7178 currentMoveString[2]++;
7180 case WhiteHSideCastleFR:
7181 case BlackHSideCastleFR:
7183 currentMoveString[2]--;
7185 default: ; // nothing to do, but suppresses warning of pedantic compilers
7188 hintRequested = FALSE;
7189 lastHint[0] = NULLCHAR;
7190 bookRequested = FALSE;
7191 /* Program may be pondering now */
7192 cps->maybeThinking = TRUE;
7193 if (cps->sendTime == 2) cps->sendTime = 1;
7194 if (cps->offeredDraw) cps->offeredDraw--;
7196 /* currentMoveString is set as a side-effect of ParseOneMove */
7197 strcpy(machineMove, currentMoveString);
7198 strcat(machineMove, "\n");
7199 strcpy(moveList[forwardMostMove], machineMove);
7201 /* [AS] Save move info*/
7202 pvInfoList[ forwardMostMove ].score = programStats.score;
7203 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7204 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7206 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7208 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7209 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7212 while( count < adjudicateLossPlies ) {
7213 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7216 score = -score; /* Flip score for winning side */
7219 if( score > adjudicateLossThreshold ) {
7226 if( count >= adjudicateLossPlies ) {
7227 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7229 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7230 "Xboard adjudication",
7237 if(Adjudicate(cps)) return; // [HGM] adjudicate: for all automatic game ends
7240 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7242 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7243 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7245 SendMoveToICS(moveType, fromX, fromY, toX, toY);
7247 SendMoveToICS(moveType, fromX, fromY, toX, toY);
7249 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
7250 char buf[3*MSG_SIZ];
7252 sprintf(buf, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
7253 programStats.score / 100.,
7255 programStats.time / 100.,
7256 (unsigned int)programStats.nodes,
7257 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
7258 programStats.movelist);
7260 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
7265 /* [AS] Clear stats for next move */
7266 ClearProgramStats();
7267 thinkOutput[0] = NULLCHAR;
7268 hiddenThinkOutputState = 0;
7271 if (gameMode == TwoMachinesPlay) {
7272 /* [HGM] relaying draw offers moved to after reception of move */
7273 /* and interpreting offer as claim if it brings draw condition */
7274 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
7275 SendToProgram("draw\n", cps->other);
7277 if (cps->other->sendTime) {
7278 SendTimeRemaining(cps->other,
7279 cps->other->twoMachinesColor[0] == 'w');
7281 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
7282 if (firstMove && !bookHit) {
7284 if (cps->other->useColors) {
7285 SendToProgram(cps->other->twoMachinesColor, cps->other);
7287 SendToProgram("go\n", cps->other);
7289 cps->other->maybeThinking = TRUE;
7292 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7294 if (!pausing && appData.ringBellAfterMoves) {
7299 * Reenable menu items that were disabled while
7300 * machine was thinking
7302 if (gameMode != TwoMachinesPlay)
7303 SetUserThinkingEnables();
7305 // [HGM] book: after book hit opponent has received move and is now in force mode
7306 // force the book reply into it, and then fake that it outputted this move by jumping
7307 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
7309 static char bookMove[MSG_SIZ]; // a bit generous?
7311 strcpy(bookMove, "move ");
7312 strcat(bookMove, bookHit);
7315 programStats.nodes = programStats.depth = programStats.time =
7316 programStats.score = programStats.got_only_move = 0;
7317 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7319 if(cps->lastPing != cps->lastPong) {
7320 savedMessage = message; // args for deferred call
7322 ScheduleDelayedEvent(DeferredBookMove, 10);
7331 /* Set special modes for chess engines. Later something general
7332 * could be added here; for now there is just one kludge feature,
7333 * needed because Crafty 15.10 and earlier don't ignore SIGINT
7334 * when "xboard" is given as an interactive command.
7336 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
7337 cps->useSigint = FALSE;
7338 cps->useSigterm = FALSE;
7340 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
7341 ParseFeatures(message+8, cps);
7342 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
7345 /* [HGM] Allow engine to set up a position. Don't ask me why one would
7346 * want this, I was asked to put it in, and obliged.
7348 if (!strncmp(message, "setboard ", 9)) {
7349 Board initial_position;
7351 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
7353 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
7354 DisplayError(_("Bad FEN received from engine"), 0);
7358 CopyBoard(boards[0], initial_position);
7359 initialRulePlies = FENrulePlies;
7360 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
7361 else gameMode = MachinePlaysBlack;
7362 DrawPosition(FALSE, boards[currentMove]);
7368 * Look for communication commands
7370 if (!strncmp(message, "telluser ", 9)) {
7371 EscapeExpand(message+9, message+9); // [HGM] esc: allow escape sequences in popup box
7372 DisplayNote(message + 9);
7375 if (!strncmp(message, "tellusererror ", 14)) {
7377 EscapeExpand(message+14, message+14); // [HGM] esc: allow escape sequences in popup box
7378 DisplayError(message + 14, 0);
7381 if (!strncmp(message, "tellopponent ", 13)) {
7382 if (appData.icsActive) {
7384 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
7388 DisplayNote(message + 13);
7392 if (!strncmp(message, "tellothers ", 11)) {
7393 if (appData.icsActive) {
7395 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
7401 if (!strncmp(message, "tellall ", 8)) {
7402 if (appData.icsActive) {
7404 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
7408 DisplayNote(message + 8);
7412 if (strncmp(message, "warning", 7) == 0) {
7413 /* Undocumented feature, use tellusererror in new code */
7414 DisplayError(message, 0);
7417 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
7418 strcpy(realname, cps->tidy);
7419 strcat(realname, " query");
7420 AskQuestion(realname, buf2, buf1, cps->pr);
7423 /* Commands from the engine directly to ICS. We don't allow these to be
7424 * sent until we are logged on. Crafty kibitzes have been known to
7425 * interfere with the login process.
7428 if (!strncmp(message, "tellics ", 8)) {
7429 SendToICS(message + 8);
7433 if (!strncmp(message, "tellicsnoalias ", 15)) {
7434 SendToICS(ics_prefix);
7435 SendToICS(message + 15);
7439 /* The following are for backward compatibility only */
7440 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
7441 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
7442 SendToICS(ics_prefix);
7448 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
7452 * If the move is illegal, cancel it and redraw the board.
7453 * Also deal with other error cases. Matching is rather loose
7454 * here to accommodate engines written before the spec.
7456 if (strncmp(message + 1, "llegal move", 11) == 0 ||
7457 strncmp(message, "Error", 5) == 0) {
7458 if (StrStr(message, "name") ||
7459 StrStr(message, "rating") || StrStr(message, "?") ||
7460 StrStr(message, "result") || StrStr(message, "board") ||
7461 StrStr(message, "bk") || StrStr(message, "computer") ||
7462 StrStr(message, "variant") || StrStr(message, "hint") ||
7463 StrStr(message, "random") || StrStr(message, "depth") ||
7464 StrStr(message, "accepted")) {
7467 if (StrStr(message, "protover")) {
7468 /* Program is responding to input, so it's apparently done
7469 initializing, and this error message indicates it is
7470 protocol version 1. So we don't need to wait any longer
7471 for it to initialize and send feature commands. */
7472 FeatureDone(cps, 1);
7473 cps->protocolVersion = 1;
7476 cps->maybeThinking = FALSE;
7478 if (StrStr(message, "draw")) {
7479 /* Program doesn't have "draw" command */
7480 cps->sendDrawOffers = 0;
7483 if (cps->sendTime != 1 &&
7484 (StrStr(message, "time") || StrStr(message, "otim"))) {
7485 /* Program apparently doesn't have "time" or "otim" command */
7489 if (StrStr(message, "analyze")) {
7490 cps->analysisSupport = FALSE;
7491 cps->analyzing = FALSE;
7493 sprintf(buf2, _("%s does not support analysis"), cps->tidy);
7494 DisplayError(buf2, 0);
7497 if (StrStr(message, "(no matching move)st")) {
7498 /* Special kludge for GNU Chess 4 only */
7499 cps->stKludge = TRUE;
7500 SendTimeControl(cps, movesPerSession, timeControl,
7501 timeIncrement, appData.searchDepth,
7505 if (StrStr(message, "(no matching move)sd")) {
7506 /* Special kludge for GNU Chess 4 only */
7507 cps->sdKludge = TRUE;
7508 SendTimeControl(cps, movesPerSession, timeControl,
7509 timeIncrement, appData.searchDepth,
7513 if (!StrStr(message, "llegal")) {
7516 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7517 gameMode == IcsIdle) return;
7518 if (forwardMostMove <= backwardMostMove) return;
7519 if (pausing) PauseEvent();
7520 if(appData.forceIllegal) {
7521 // [HGM] illegal: machine refused move; force position after move into it
7522 SendToProgram("force\n", cps);
7523 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
7524 // we have a real problem now, as SendBoard will use the a2a3 kludge
7525 // when black is to move, while there might be nothing on a2 or black
7526 // might already have the move. So send the board as if white has the move.
7527 // But first we must change the stm of the engine, as it refused the last move
7528 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
7529 if(WhiteOnMove(forwardMostMove)) {
7530 SendToProgram("a7a6\n", cps); // for the engine black still had the move
7531 SendBoard(cps, forwardMostMove); // kludgeless board
7533 SendToProgram("a2a3\n", cps); // for the engine white still had the move
7534 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7535 SendBoard(cps, forwardMostMove+1); // kludgeless board
7537 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
7538 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
7539 gameMode == TwoMachinesPlay)
7540 SendToProgram("go\n", cps);
7543 if (gameMode == PlayFromGameFile) {
7544 /* Stop reading this game file */
7545 gameMode = EditGame;
7548 currentMove = forwardMostMove-1;
7549 DisplayMove(currentMove-1); /* before DisplayMoveError */
7550 SwitchClocks(forwardMostMove-1); // [HGM] race
7551 DisplayBothClocks();
7552 sprintf(buf1, _("Illegal move \"%s\" (rejected by %s chess program)"),
7553 parseList[currentMove], cps->which);
7554 DisplayMoveError(buf1);
7555 DrawPosition(FALSE, boards[currentMove]);
7557 /* [HGM] illegal-move claim should forfeit game when Xboard */
7558 /* only passes fully legal moves */
7559 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
7560 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
7561 "False illegal-move claim", GE_XBOARD );
7565 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
7566 /* Program has a broken "time" command that
7567 outputs a string not ending in newline.
7573 * If chess program startup fails, exit with an error message.
7574 * Attempts to recover here are futile.
7576 if ((StrStr(message, "unknown host") != NULL)
7577 || (StrStr(message, "No remote directory") != NULL)
7578 || (StrStr(message, "not found") != NULL)
7579 || (StrStr(message, "No such file") != NULL)
7580 || (StrStr(message, "can't alloc") != NULL)
7581 || (StrStr(message, "Permission denied") != NULL)) {
7583 cps->maybeThinking = FALSE;
7584 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
7585 cps->which, cps->program, cps->host, message);
7586 RemoveInputSource(cps->isr);
7587 DisplayFatalError(buf1, 0, 1);
7592 * Look for hint output
7594 if (sscanf(message, "Hint: %s", buf1) == 1) {
7595 if (cps == &first && hintRequested) {
7596 hintRequested = FALSE;
7597 if (ParseOneMove(buf1, forwardMostMove, &moveType,
7598 &fromX, &fromY, &toX, &toY, &promoChar)) {
7599 (void) CoordsToAlgebraic(boards[forwardMostMove],
7600 PosFlags(forwardMostMove),
7601 fromY, fromX, toY, toX, promoChar, buf1);
7602 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
7603 DisplayInformation(buf2);
7605 /* Hint move could not be parsed!? */
7606 snprintf(buf2, sizeof(buf2),
7607 _("Illegal hint move \"%s\"\nfrom %s chess program"),
7609 DisplayError(buf2, 0);
7612 strcpy(lastHint, buf1);
7618 * Ignore other messages if game is not in progress
7620 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7621 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
7624 * look for win, lose, draw, or draw offer
7626 if (strncmp(message, "1-0", 3) == 0) {
7627 char *p, *q, *r = "";
7628 p = strchr(message, '{');
7636 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
7638 } else if (strncmp(message, "0-1", 3) == 0) {
7639 char *p, *q, *r = "";
7640 p = strchr(message, '{');
7648 /* Kludge for Arasan 4.1 bug */
7649 if (strcmp(r, "Black resigns") == 0) {
7650 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
7653 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
7655 } else if (strncmp(message, "1/2", 3) == 0) {
7656 char *p, *q, *r = "";
7657 p = strchr(message, '{');
7666 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
7669 } else if (strncmp(message, "White resign", 12) == 0) {
7670 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7672 } else if (strncmp(message, "Black resign", 12) == 0) {
7673 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7675 } else if (strncmp(message, "White matches", 13) == 0 ||
7676 strncmp(message, "Black matches", 13) == 0 ) {
7677 /* [HGM] ignore GNUShogi noises */
7679 } else if (strncmp(message, "White", 5) == 0 &&
7680 message[5] != '(' &&
7681 StrStr(message, "Black") == NULL) {
7682 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7684 } else if (strncmp(message, "Black", 5) == 0 &&
7685 message[5] != '(') {
7686 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7688 } else if (strcmp(message, "resign") == 0 ||
7689 strcmp(message, "computer resigns") == 0) {
7691 case MachinePlaysBlack:
7692 case IcsPlayingBlack:
7693 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
7695 case MachinePlaysWhite:
7696 case IcsPlayingWhite:
7697 GameEnds(BlackWins, "White resigns", GE_ENGINE);
7699 case TwoMachinesPlay:
7700 if (cps->twoMachinesColor[0] == 'w')
7701 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7703 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7710 } else if (strncmp(message, "opponent mates", 14) == 0) {
7712 case MachinePlaysBlack:
7713 case IcsPlayingBlack:
7714 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7716 case MachinePlaysWhite:
7717 case IcsPlayingWhite:
7718 GameEnds(BlackWins, "Black mates", GE_ENGINE);
7720 case TwoMachinesPlay:
7721 if (cps->twoMachinesColor[0] == 'w')
7722 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7724 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7731 } else if (strncmp(message, "computer mates", 14) == 0) {
7733 case MachinePlaysBlack:
7734 case IcsPlayingBlack:
7735 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
7737 case MachinePlaysWhite:
7738 case IcsPlayingWhite:
7739 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7741 case TwoMachinesPlay:
7742 if (cps->twoMachinesColor[0] == 'w')
7743 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7745 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7752 } else if (strncmp(message, "checkmate", 9) == 0) {
7753 if (WhiteOnMove(forwardMostMove)) {
7754 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7756 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7759 } else if (strstr(message, "Draw") != NULL ||
7760 strstr(message, "game is a draw") != NULL) {
7761 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
7763 } else if (strstr(message, "offer") != NULL &&
7764 strstr(message, "draw") != NULL) {
7766 if (appData.zippyPlay && first.initDone) {
7767 /* Relay offer to ICS */
7768 SendToICS(ics_prefix);
7769 SendToICS("draw\n");
7772 cps->offeredDraw = 2; /* valid until this engine moves twice */
7773 if (gameMode == TwoMachinesPlay) {
7774 if (cps->other->offeredDraw) {
7775 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7776 /* [HGM] in two-machine mode we delay relaying draw offer */
7777 /* until after we also have move, to see if it is really claim */
7779 } else if (gameMode == MachinePlaysWhite ||
7780 gameMode == MachinePlaysBlack) {
7781 if (userOfferedDraw) {
7782 DisplayInformation(_("Machine accepts your draw offer"));
7783 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7785 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
7792 * Look for thinking output
7794 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
7795 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7797 int plylev, mvleft, mvtot, curscore, time;
7798 char mvname[MOVE_LEN];
7802 int prefixHint = FALSE;
7803 mvname[0] = NULLCHAR;
7806 case MachinePlaysBlack:
7807 case IcsPlayingBlack:
7808 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7810 case MachinePlaysWhite:
7811 case IcsPlayingWhite:
7812 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7817 case IcsObserving: /* [DM] icsEngineAnalyze */
7818 if (!appData.icsEngineAnalyze) ignore = TRUE;
7820 case TwoMachinesPlay:
7821 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
7831 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
7833 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7834 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
7836 if (plyext != ' ' && plyext != '\t') {
7840 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7841 if( cps->scoreIsAbsolute &&
7842 ( gameMode == MachinePlaysBlack ||
7843 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
7844 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
7845 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
7846 !WhiteOnMove(currentMove)
7849 curscore = -curscore;
7853 tempStats.depth = plylev;
7854 tempStats.nodes = nodes;
7855 tempStats.time = time;
7856 tempStats.score = curscore;
7857 tempStats.got_only_move = 0;
7859 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
7862 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
7863 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
7864 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
7865 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
7866 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
7867 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
7868 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
7869 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
7872 /* Buffer overflow protection */
7873 if (buf1[0] != NULLCHAR) {
7874 if (strlen(buf1) >= sizeof(tempStats.movelist)
7875 && appData.debugMode) {
7877 "PV is too long; using the first %u bytes.\n",
7878 (unsigned) sizeof(tempStats.movelist) - 1);
7881 safeStrCpy( tempStats.movelist, buf1, sizeof(tempStats.movelist) );
7883 sprintf(tempStats.movelist, " no PV\n");
7886 if (tempStats.seen_stat) {
7887 tempStats.ok_to_send = 1;
7890 if (strchr(tempStats.movelist, '(') != NULL) {
7891 tempStats.line_is_book = 1;
7892 tempStats.nr_moves = 0;
7893 tempStats.moves_left = 0;
7895 tempStats.line_is_book = 0;
7898 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
7899 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
7901 SendProgramStatsToFrontend( cps, &tempStats );
7904 [AS] Protect the thinkOutput buffer from overflow... this
7905 is only useful if buf1 hasn't overflowed first!
7907 sprintf(thinkOutput, "[%d]%c%+.2f %s%s",
7909 (gameMode == TwoMachinesPlay ?
7910 ToUpper(cps->twoMachinesColor[0]) : ' '),
7911 ((double) curscore) / 100.0,
7912 prefixHint ? lastHint : "",
7913 prefixHint ? " " : "" );
7915 if( buf1[0] != NULLCHAR ) {
7916 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
7918 if( strlen(buf1) > max_len ) {
7919 if( appData.debugMode) {
7920 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
7922 buf1[max_len+1] = '\0';
7925 strcat( thinkOutput, buf1 );
7928 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
7929 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7930 DisplayMove(currentMove - 1);
7934 } else if ((p=StrStr(message, "(only move)")) != NULL) {
7935 /* crafty (9.25+) says "(only move) <move>"
7936 * if there is only 1 legal move
7938 sscanf(p, "(only move) %s", buf1);
7939 sprintf(thinkOutput, "%s (only move)", buf1);
7940 sprintf(programStats.movelist, "%s (only move)", buf1);
7941 programStats.depth = 1;
7942 programStats.nr_moves = 1;
7943 programStats.moves_left = 1;
7944 programStats.nodes = 1;
7945 programStats.time = 1;
7946 programStats.got_only_move = 1;
7948 /* Not really, but we also use this member to
7949 mean "line isn't going to change" (Crafty
7950 isn't searching, so stats won't change) */
7951 programStats.line_is_book = 1;
7953 SendProgramStatsToFrontend( cps, &programStats );
7955 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
7956 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7957 DisplayMove(currentMove - 1);
7960 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
7961 &time, &nodes, &plylev, &mvleft,
7962 &mvtot, mvname) >= 5) {
7963 /* The stat01: line is from Crafty (9.29+) in response
7964 to the "." command */
7965 programStats.seen_stat = 1;
7966 cps->maybeThinking = TRUE;
7968 if (programStats.got_only_move || !appData.periodicUpdates)
7971 programStats.depth = plylev;
7972 programStats.time = time;
7973 programStats.nodes = nodes;
7974 programStats.moves_left = mvleft;
7975 programStats.nr_moves = mvtot;
7976 strcpy(programStats.move_name, mvname);
7977 programStats.ok_to_send = 1;
7978 programStats.movelist[0] = '\0';
7980 SendProgramStatsToFrontend( cps, &programStats );
7984 } else if (strncmp(message,"++",2) == 0) {
7985 /* Crafty 9.29+ outputs this */
7986 programStats.got_fail = 2;
7989 } else if (strncmp(message,"--",2) == 0) {
7990 /* Crafty 9.29+ outputs this */
7991 programStats.got_fail = 1;
7994 } else if (thinkOutput[0] != NULLCHAR &&
7995 strncmp(message, " ", 4) == 0) {
7996 unsigned message_len;
7999 while (*p && *p == ' ') p++;
8001 message_len = strlen( p );
8003 /* [AS] Avoid buffer overflow */
8004 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8005 strcat(thinkOutput, " ");
8006 strcat(thinkOutput, p);
8009 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8010 strcat(programStats.movelist, " ");
8011 strcat(programStats.movelist, p);
8014 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8015 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8016 DisplayMove(currentMove - 1);
8024 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8025 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8027 ChessProgramStats cpstats;
8029 if (plyext != ' ' && plyext != '\t') {
8033 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8034 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8035 curscore = -curscore;
8038 cpstats.depth = plylev;
8039 cpstats.nodes = nodes;
8040 cpstats.time = time;
8041 cpstats.score = curscore;
8042 cpstats.got_only_move = 0;
8043 cpstats.movelist[0] = '\0';
8045 if (buf1[0] != NULLCHAR) {
8046 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist) );
8049 cpstats.ok_to_send = 0;
8050 cpstats.line_is_book = 0;
8051 cpstats.nr_moves = 0;
8052 cpstats.moves_left = 0;
8054 SendProgramStatsToFrontend( cps, &cpstats );
8061 /* Parse a game score from the character string "game", and
8062 record it as the history of the current game. The game
8063 score is NOT assumed to start from the standard position.
8064 The display is not updated in any way.
8067 ParseGameHistory(game)
8071 int fromX, fromY, toX, toY, boardIndex;
8076 if (appData.debugMode)
8077 fprintf(debugFP, "Parsing game history: %s\n", game);
8079 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8080 gameInfo.site = StrSave(appData.icsHost);
8081 gameInfo.date = PGNDate();
8082 gameInfo.round = StrSave("-");
8084 /* Parse out names of players */
8085 while (*game == ' ') game++;
8087 while (*game != ' ') *p++ = *game++;
8089 gameInfo.white = StrSave(buf);
8090 while (*game == ' ') game++;
8092 while (*game != ' ' && *game != '\n') *p++ = *game++;
8094 gameInfo.black = StrSave(buf);
8097 boardIndex = blackPlaysFirst ? 1 : 0;
8100 yyboardindex = boardIndex;
8101 moveType = (ChessMove) yylex();
8103 case IllegalMove: /* maybe suicide chess, etc. */
8104 if (appData.debugMode) {
8105 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8106 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8107 setbuf(debugFP, NULL);
8109 case WhitePromotionChancellor:
8110 case BlackPromotionChancellor:
8111 case WhitePromotionArchbishop:
8112 case BlackPromotionArchbishop:
8113 case WhitePromotionQueen:
8114 case BlackPromotionQueen:
8115 case WhitePromotionRook:
8116 case BlackPromotionRook:
8117 case WhitePromotionBishop:
8118 case BlackPromotionBishop:
8119 case WhitePromotionKnight:
8120 case BlackPromotionKnight:
8121 case WhitePromotionKing:
8122 case BlackPromotionKing:
8124 case WhiteCapturesEnPassant:
8125 case BlackCapturesEnPassant:
8126 case WhiteKingSideCastle:
8127 case WhiteQueenSideCastle:
8128 case BlackKingSideCastle:
8129 case BlackQueenSideCastle:
8130 case WhiteKingSideCastleWild:
8131 case WhiteQueenSideCastleWild:
8132 case BlackKingSideCastleWild:
8133 case BlackQueenSideCastleWild:
8135 case WhiteHSideCastleFR:
8136 case WhiteASideCastleFR:
8137 case BlackHSideCastleFR:
8138 case BlackASideCastleFR:
8140 fromX = currentMoveString[0] - AAA;
8141 fromY = currentMoveString[1] - ONE;
8142 toX = currentMoveString[2] - AAA;
8143 toY = currentMoveString[3] - ONE;
8144 promoChar = currentMoveString[4];
8148 fromX = moveType == WhiteDrop ?
8149 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8150 (int) CharToPiece(ToLower(currentMoveString[0]));
8152 toX = currentMoveString[2] - AAA;
8153 toY = currentMoveString[3] - ONE;
8154 promoChar = NULLCHAR;
8158 sprintf(buf, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8159 if (appData.debugMode) {
8160 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8161 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8162 setbuf(debugFP, NULL);
8164 DisplayError(buf, 0);
8166 case ImpossibleMove:
8168 sprintf(buf, _("Illegal move in ICS output: \"%s\""), yy_text);
8169 if (appData.debugMode) {
8170 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8171 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8172 setbuf(debugFP, NULL);
8174 DisplayError(buf, 0);
8176 case (ChessMove) 0: /* end of file */
8177 if (boardIndex < backwardMostMove) {
8178 /* Oops, gap. How did that happen? */
8179 DisplayError(_("Gap in move list"), 0);
8182 backwardMostMove = blackPlaysFirst ? 1 : 0;
8183 if (boardIndex > forwardMostMove) {
8184 forwardMostMove = boardIndex;
8188 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8189 strcat(parseList[boardIndex-1], " ");
8190 strcat(parseList[boardIndex-1], yy_text);
8202 case GameUnfinished:
8203 if (gameMode == IcsExamining) {
8204 if (boardIndex < backwardMostMove) {
8205 /* Oops, gap. How did that happen? */
8208 backwardMostMove = blackPlaysFirst ? 1 : 0;
8211 gameInfo.result = moveType;
8212 p = strchr(yy_text, '{');
8213 if (p == NULL) p = strchr(yy_text, '(');
8216 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8218 q = strchr(p, *p == '{' ? '}' : ')');
8219 if (q != NULL) *q = NULLCHAR;
8222 gameInfo.resultDetails = StrSave(p);
8225 if (boardIndex >= forwardMostMove &&
8226 !(gameMode == IcsObserving && ics_gamenum == -1)) {
8227 backwardMostMove = blackPlaysFirst ? 1 : 0;
8230 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
8231 fromY, fromX, toY, toX, promoChar,
8232 parseList[boardIndex]);
8233 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
8234 /* currentMoveString is set as a side-effect of yylex */
8235 strcpy(moveList[boardIndex], currentMoveString);
8236 strcat(moveList[boardIndex], "\n");
8238 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
8239 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
8245 if(gameInfo.variant != VariantShogi)
8246 strcat(parseList[boardIndex - 1], "+");
8250 strcat(parseList[boardIndex - 1], "#");
8257 /* Apply a move to the given board */
8259 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
8260 int fromX, fromY, toX, toY;
8264 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
8265 int promoRank = gameInfo.variant == VariantMakruk ? 3 : 1;
8267 /* [HGM] compute & store e.p. status and castling rights for new position */
8268 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
8271 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
8272 oldEP = (signed char)board[EP_STATUS];
8273 board[EP_STATUS] = EP_NONE;
8275 if( board[toY][toX] != EmptySquare )
8276 board[EP_STATUS] = EP_CAPTURE;
8278 if( board[fromY][fromX] == WhitePawn ) {
8279 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8280 board[EP_STATUS] = EP_PAWN_MOVE;
8282 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
8283 gameInfo.variant != VariantBerolina || toX < fromX)
8284 board[EP_STATUS] = toX | berolina;
8285 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
8286 gameInfo.variant != VariantBerolina || toX > fromX)
8287 board[EP_STATUS] = toX;
8290 if( board[fromY][fromX] == BlackPawn ) {
8291 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8292 board[EP_STATUS] = EP_PAWN_MOVE;
8293 if( toY-fromY== -2) {
8294 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
8295 gameInfo.variant != VariantBerolina || toX < fromX)
8296 board[EP_STATUS] = toX | berolina;
8297 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
8298 gameInfo.variant != VariantBerolina || toX > fromX)
8299 board[EP_STATUS] = toX;
8303 for(i=0; i<nrCastlingRights; i++) {
8304 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
8305 board[CASTLING][i] == toX && castlingRank[i] == toY
8306 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
8311 /* [HGM] In Shatranj and Courier all promotions are to Ferz */
8312 if((gameInfo.variant==VariantShatranj || gameInfo.variant==VariantCourier || gameInfo.variant == VariantMakruk)
8313 && promoChar != 0) promoChar = PieceToChar(WhiteFerz);
8315 if (fromX == toX && fromY == toY) return;
8317 if (fromY == DROP_RANK) {
8319 piece = board[toY][toX] = (ChessSquare) fromX;
8321 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
8322 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
8323 if(gameInfo.variant == VariantKnightmate)
8324 king += (int) WhiteUnicorn - (int) WhiteKing;
8326 /* Code added by Tord: */
8327 /* FRC castling assumed when king captures friendly rook. */
8328 if (board[fromY][fromX] == WhiteKing &&
8329 board[toY][toX] == WhiteRook) {
8330 board[fromY][fromX] = EmptySquare;
8331 board[toY][toX] = EmptySquare;
8333 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
8335 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
8337 } else if (board[fromY][fromX] == BlackKing &&
8338 board[toY][toX] == BlackRook) {
8339 board[fromY][fromX] = EmptySquare;
8340 board[toY][toX] = EmptySquare;
8342 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
8344 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
8346 /* End of code added by Tord */
8348 } else if (board[fromY][fromX] == king
8349 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8350 && toY == fromY && toX > fromX+1) {
8351 board[fromY][fromX] = EmptySquare;
8352 board[toY][toX] = king;
8353 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8354 board[fromY][BOARD_RGHT-1] = EmptySquare;
8355 } else if (board[fromY][fromX] == king
8356 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8357 && toY == fromY && toX < fromX-1) {
8358 board[fromY][fromX] = EmptySquare;
8359 board[toY][toX] = king;
8360 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8361 board[fromY][BOARD_LEFT] = EmptySquare;
8362 } else if (board[fromY][fromX] == WhitePawn
8363 && toY >= BOARD_HEIGHT-promoRank
8364 && gameInfo.variant != VariantXiangqi
8366 /* white pawn promotion */
8367 board[toY][toX] = CharToPiece(ToUpper(promoChar));
8368 if (board[toY][toX] == EmptySquare) {
8369 board[toY][toX] = WhiteQueen;
8371 if(gameInfo.variant==VariantBughouse ||
8372 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8373 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8374 board[fromY][fromX] = EmptySquare;
8375 } else if ((fromY == BOARD_HEIGHT-4)
8377 && gameInfo.variant != VariantXiangqi
8378 && gameInfo.variant != VariantBerolina
8379 && (board[fromY][fromX] == WhitePawn)
8380 && (board[toY][toX] == EmptySquare)) {
8381 board[fromY][fromX] = EmptySquare;
8382 board[toY][toX] = WhitePawn;
8383 captured = board[toY - 1][toX];
8384 board[toY - 1][toX] = EmptySquare;
8385 } else if ((fromY == BOARD_HEIGHT-4)
8387 && gameInfo.variant == VariantBerolina
8388 && (board[fromY][fromX] == WhitePawn)
8389 && (board[toY][toX] == EmptySquare)) {
8390 board[fromY][fromX] = EmptySquare;
8391 board[toY][toX] = WhitePawn;
8392 if(oldEP & EP_BEROLIN_A) {
8393 captured = board[fromY][fromX-1];
8394 board[fromY][fromX-1] = EmptySquare;
8395 }else{ captured = board[fromY][fromX+1];
8396 board[fromY][fromX+1] = EmptySquare;
8398 } else if (board[fromY][fromX] == king
8399 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8400 && toY == fromY && toX > fromX+1) {
8401 board[fromY][fromX] = EmptySquare;
8402 board[toY][toX] = king;
8403 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8404 board[fromY][BOARD_RGHT-1] = EmptySquare;
8405 } else if (board[fromY][fromX] == king
8406 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8407 && toY == fromY && toX < fromX-1) {
8408 board[fromY][fromX] = EmptySquare;
8409 board[toY][toX] = king;
8410 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8411 board[fromY][BOARD_LEFT] = EmptySquare;
8412 } else if (fromY == 7 && fromX == 3
8413 && board[fromY][fromX] == BlackKing
8414 && toY == 7 && toX == 5) {
8415 board[fromY][fromX] = EmptySquare;
8416 board[toY][toX] = BlackKing;
8417 board[fromY][7] = EmptySquare;
8418 board[toY][4] = BlackRook;
8419 } else if (fromY == 7 && fromX == 3
8420 && board[fromY][fromX] == BlackKing
8421 && toY == 7 && toX == 1) {
8422 board[fromY][fromX] = EmptySquare;
8423 board[toY][toX] = BlackKing;
8424 board[fromY][0] = EmptySquare;
8425 board[toY][2] = BlackRook;
8426 } else if (board[fromY][fromX] == BlackPawn
8428 && gameInfo.variant != VariantXiangqi
8430 /* black pawn promotion */
8431 board[toY][toX] = CharToPiece(ToLower(promoChar));
8432 if (board[toY][toX] == EmptySquare) {
8433 board[toY][toX] = BlackQueen;
8435 if(gameInfo.variant==VariantBughouse ||
8436 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8437 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8438 board[fromY][fromX] = EmptySquare;
8439 } else if ((fromY == 3)
8441 && gameInfo.variant != VariantXiangqi
8442 && gameInfo.variant != VariantBerolina
8443 && (board[fromY][fromX] == BlackPawn)
8444 && (board[toY][toX] == EmptySquare)) {
8445 board[fromY][fromX] = EmptySquare;
8446 board[toY][toX] = BlackPawn;
8447 captured = board[toY + 1][toX];
8448 board[toY + 1][toX] = EmptySquare;
8449 } else if ((fromY == 3)
8451 && gameInfo.variant == VariantBerolina
8452 && (board[fromY][fromX] == BlackPawn)
8453 && (board[toY][toX] == EmptySquare)) {
8454 board[fromY][fromX] = EmptySquare;
8455 board[toY][toX] = BlackPawn;
8456 if(oldEP & EP_BEROLIN_A) {
8457 captured = board[fromY][fromX-1];
8458 board[fromY][fromX-1] = EmptySquare;
8459 }else{ captured = board[fromY][fromX+1];
8460 board[fromY][fromX+1] = EmptySquare;
8463 board[toY][toX] = board[fromY][fromX];
8464 board[fromY][fromX] = EmptySquare;
8467 /* [HGM] now we promote for Shogi, if needed */
8468 if(gameInfo.variant == VariantShogi && promoChar == 'q')
8469 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8472 if (gameInfo.holdingsWidth != 0) {
8474 /* !!A lot more code needs to be written to support holdings */
8475 /* [HGM] OK, so I have written it. Holdings are stored in the */
8476 /* penultimate board files, so they are automaticlly stored */
8477 /* in the game history. */
8478 if (fromY == DROP_RANK) {
8479 /* Delete from holdings, by decreasing count */
8480 /* and erasing image if necessary */
8482 if(p < (int) BlackPawn) { /* white drop */
8483 p -= (int)WhitePawn;
8484 p = PieceToNumber((ChessSquare)p);
8485 if(p >= gameInfo.holdingsSize) p = 0;
8486 if(--board[p][BOARD_WIDTH-2] <= 0)
8487 board[p][BOARD_WIDTH-1] = EmptySquare;
8488 if((int)board[p][BOARD_WIDTH-2] < 0)
8489 board[p][BOARD_WIDTH-2] = 0;
8490 } else { /* black drop */
8491 p -= (int)BlackPawn;
8492 p = PieceToNumber((ChessSquare)p);
8493 if(p >= gameInfo.holdingsSize) p = 0;
8494 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
8495 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
8496 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
8497 board[BOARD_HEIGHT-1-p][1] = 0;
8500 if (captured != EmptySquare && gameInfo.holdingsSize > 0
8501 && gameInfo.variant != VariantBughouse ) {
8502 /* [HGM] holdings: Add to holdings, if holdings exist */
8503 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
8504 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
8505 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
8508 if (p >= (int) BlackPawn) {
8509 p -= (int)BlackPawn;
8510 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8511 /* in Shogi restore piece to its original first */
8512 captured = (ChessSquare) (DEMOTED captured);
8515 p = PieceToNumber((ChessSquare)p);
8516 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
8517 board[p][BOARD_WIDTH-2]++;
8518 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
8520 p -= (int)WhitePawn;
8521 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8522 captured = (ChessSquare) (DEMOTED captured);
8525 p = PieceToNumber((ChessSquare)p);
8526 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
8527 board[BOARD_HEIGHT-1-p][1]++;
8528 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
8531 } else if (gameInfo.variant == VariantAtomic) {
8532 if (captured != EmptySquare) {
8534 for (y = toY-1; y <= toY+1; y++) {
8535 for (x = toX-1; x <= toX+1; x++) {
8536 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
8537 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
8538 board[y][x] = EmptySquare;
8542 board[toY][toX] = EmptySquare;
8545 if(gameInfo.variant == VariantShogi && promoChar != NULLCHAR && promoChar != '=') {
8546 /* [HGM] Shogi promotions */
8547 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8550 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8551 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
8552 // [HGM] superchess: take promotion piece out of holdings
8553 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
8554 if((int)piece < (int)BlackPawn) { // determine stm from piece color
8555 if(!--board[k][BOARD_WIDTH-2])
8556 board[k][BOARD_WIDTH-1] = EmptySquare;
8558 if(!--board[BOARD_HEIGHT-1-k][1])
8559 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
8565 /* Updates forwardMostMove */
8567 MakeMove(fromX, fromY, toX, toY, promoChar)
8568 int fromX, fromY, toX, toY;
8571 // forwardMostMove++; // [HGM] bare: moved downstream
8573 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
8574 int timeLeft; static int lastLoadFlag=0; int king, piece;
8575 piece = boards[forwardMostMove][fromY][fromX];
8576 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
8577 if(gameInfo.variant == VariantKnightmate)
8578 king += (int) WhiteUnicorn - (int) WhiteKing;
8579 if(forwardMostMove == 0) {
8581 fprintf(serverMoves, "%s;", second.tidy);
8582 fprintf(serverMoves, "%s;", first.tidy);
8583 if(!blackPlaysFirst)
8584 fprintf(serverMoves, "%s;", second.tidy);
8585 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
8586 lastLoadFlag = loadFlag;
8588 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
8589 // print castling suffix
8590 if( toY == fromY && piece == king ) {
8592 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
8594 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
8597 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
8598 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
8599 boards[forwardMostMove][toY][toX] == EmptySquare
8600 && fromX != toX && fromY != toY)
8601 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
8603 if(promoChar != NULLCHAR)
8604 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
8606 fprintf(serverMoves, "/%d/%d",
8607 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
8608 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
8609 else timeLeft = blackTimeRemaining/1000;
8610 fprintf(serverMoves, "/%d", timeLeft);
8612 fflush(serverMoves);
8615 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
8616 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
8620 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
8621 if (commentList[forwardMostMove+1] != NULL) {
8622 free(commentList[forwardMostMove+1]);
8623 commentList[forwardMostMove+1] = NULL;
8625 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8626 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
8627 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
8628 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
8629 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
8630 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
8631 gameInfo.result = GameUnfinished;
8632 if (gameInfo.resultDetails != NULL) {
8633 free(gameInfo.resultDetails);
8634 gameInfo.resultDetails = NULL;
8636 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
8637 moveList[forwardMostMove - 1]);
8638 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
8639 PosFlags(forwardMostMove - 1),
8640 fromY, fromX, toY, toX, promoChar,
8641 parseList[forwardMostMove - 1]);
8642 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8648 if(gameInfo.variant != VariantShogi)
8649 strcat(parseList[forwardMostMove - 1], "+");
8653 strcat(parseList[forwardMostMove - 1], "#");
8656 if (appData.debugMode) {
8657 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
8662 /* Updates currentMove if not pausing */
8664 ShowMove(fromX, fromY, toX, toY)
8666 int instant = (gameMode == PlayFromGameFile) ?
8667 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
8668 if(appData.noGUI) return;
8669 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
8671 if (forwardMostMove == currentMove + 1) {
8672 AnimateMove(boards[forwardMostMove - 1],
8673 fromX, fromY, toX, toY);
8675 if (appData.highlightLastMove) {
8676 SetHighlights(fromX, fromY, toX, toY);
8679 currentMove = forwardMostMove;
8682 if (instant) return;
8684 DisplayMove(currentMove - 1);
8685 DrawPosition(FALSE, boards[currentMove]);
8686 DisplayBothClocks();
8687 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
8690 void SendEgtPath(ChessProgramState *cps)
8691 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
8692 char buf[MSG_SIZ], name[MSG_SIZ], *p;
8694 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
8697 char c, *q = name+1, *r, *s;
8699 name[0] = ','; // extract next format name from feature and copy with prefixed ','
8700 while(*p && *p != ',') *q++ = *p++;
8702 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
8703 strcmp(name, ",nalimov:") == 0 ) {
8704 // take nalimov path from the menu-changeable option first, if it is defined
8705 sprintf(buf, "egtpath nalimov %s\n", appData.defaultPathEGTB);
8706 SendToProgram(buf,cps); // send egtbpath command for nalimov
8708 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
8709 (s = StrStr(appData.egtFormats, name)) != NULL) {
8710 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
8711 s = r = StrStr(s, ":") + 1; // beginning of path info
8712 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
8713 c = *r; *r = 0; // temporarily null-terminate path info
8714 *--q = 0; // strip of trailig ':' from name
8715 sprintf(buf, "egtpath %s %s\n", name+1, s);
8717 SendToProgram(buf,cps); // send egtbpath command for this format
8719 if(*p == ',') p++; // read away comma to position for next format name
8724 InitChessProgram(cps, setup)
8725 ChessProgramState *cps;
8726 int setup; /* [HGM] needed to setup FRC opening position */
8728 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
8729 if (appData.noChessProgram) return;
8730 hintRequested = FALSE;
8731 bookRequested = FALSE;
8733 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
8734 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
8735 if(cps->memSize) { /* [HGM] memory */
8736 sprintf(buf, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
8737 SendToProgram(buf, cps);
8739 SendEgtPath(cps); /* [HGM] EGT */
8740 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
8741 sprintf(buf, "cores %d\n", appData.smpCores);
8742 SendToProgram(buf, cps);
8745 SendToProgram(cps->initString, cps);
8746 if (gameInfo.variant != VariantNormal &&
8747 gameInfo.variant != VariantLoadable
8748 /* [HGM] also send variant if board size non-standard */
8749 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
8751 char *v = VariantName(gameInfo.variant);
8752 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
8753 /* [HGM] in protocol 1 we have to assume all variants valid */
8754 sprintf(buf, _("Variant %s not supported by %s"), v, cps->tidy);
8755 DisplayFatalError(buf, 0, 1);
8759 /* [HGM] make prefix for non-standard board size. Awkward testing... */
8760 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8761 if( gameInfo.variant == VariantXiangqi )
8762 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
8763 if( gameInfo.variant == VariantShogi )
8764 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
8765 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
8766 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
8767 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
8768 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
8769 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8770 if( gameInfo.variant == VariantCourier )
8771 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8772 if( gameInfo.variant == VariantSuper )
8773 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8774 if( gameInfo.variant == VariantGreat )
8775 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8778 sprintf(b, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
8779 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
8780 /* [HGM] varsize: try first if this defiant size variant is specifically known */
8781 if(StrStr(cps->variants, b) == NULL) {
8782 // specific sized variant not known, check if general sizing allowed
8783 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
8784 if(StrStr(cps->variants, "boardsize") == NULL) {
8785 sprintf(buf, "Board size %dx%d+%d not supported by %s",
8786 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
8787 DisplayFatalError(buf, 0, 1);
8790 /* [HGM] here we really should compare with the maximum supported board size */
8793 } else sprintf(b, "%s", VariantName(gameInfo.variant));
8794 sprintf(buf, "variant %s\n", b);
8795 SendToProgram(buf, cps);
8797 currentlyInitializedVariant = gameInfo.variant;
8799 /* [HGM] send opening position in FRC to first engine */
8801 SendToProgram("force\n", cps);
8803 /* engine is now in force mode! Set flag to wake it up after first move. */
8804 setboardSpoiledMachineBlack = 1;
8808 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
8809 SendToProgram(buf, cps);
8811 cps->maybeThinking = FALSE;
8812 cps->offeredDraw = 0;
8813 if (!appData.icsActive) {
8814 SendTimeControl(cps, movesPerSession, timeControl,
8815 timeIncrement, appData.searchDepth,
8818 if (appData.showThinking
8819 // [HGM] thinking: four options require thinking output to be sent
8820 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8822 SendToProgram("post\n", cps);
8824 SendToProgram("hard\n", cps);
8825 if (!appData.ponderNextMove) {
8826 /* Warning: "easy" is a toggle in GNU Chess, so don't send
8827 it without being sure what state we are in first. "hard"
8828 is not a toggle, so that one is OK.
8830 SendToProgram("easy\n", cps);
8833 sprintf(buf, "ping %d\n", ++cps->lastPing);
8834 SendToProgram(buf, cps);
8836 cps->initDone = TRUE;
8841 StartChessProgram(cps)
8842 ChessProgramState *cps;
8847 if (appData.noChessProgram) return;
8848 cps->initDone = FALSE;
8850 if (strcmp(cps->host, "localhost") == 0) {
8851 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
8852 } else if (*appData.remoteShell == NULLCHAR) {
8853 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
8855 if (*appData.remoteUser == NULLCHAR) {
8856 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
8859 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
8860 cps->host, appData.remoteUser, cps->program);
8862 err = StartChildProcess(buf, "", &cps->pr);
8866 sprintf(buf, _("Startup failure on '%s'"), cps->program);
8867 DisplayFatalError(buf, err, 1);
8873 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
8874 if (cps->protocolVersion > 1) {
8875 sprintf(buf, "xboard\nprotover %d\n", cps->protocolVersion);
8876 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
8877 cps->comboCnt = 0; // and values of combo boxes
8878 SendToProgram(buf, cps);
8880 SendToProgram("xboard\n", cps);
8886 TwoMachinesEventIfReady P((void))
8888 if (first.lastPing != first.lastPong) {
8889 DisplayMessage("", _("Waiting for first chess program"));
8890 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8893 if (second.lastPing != second.lastPong) {
8894 DisplayMessage("", _("Waiting for second chess program"));
8895 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8903 NextMatchGame P((void))
8905 int index; /* [HGM] autoinc: step load index during match */
8907 if (*appData.loadGameFile != NULLCHAR) {
8908 index = appData.loadGameIndex;
8909 if(index < 0) { // [HGM] autoinc
8910 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8911 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8913 LoadGameFromFile(appData.loadGameFile,
8915 appData.loadGameFile, FALSE);
8916 } else if (*appData.loadPositionFile != NULLCHAR) {
8917 index = appData.loadPositionIndex;
8918 if(index < 0) { // [HGM] autoinc
8919 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8920 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8922 LoadPositionFromFile(appData.loadPositionFile,
8924 appData.loadPositionFile);
8926 TwoMachinesEventIfReady();
8929 void UserAdjudicationEvent( int result )
8931 ChessMove gameResult = GameIsDrawn;
8934 gameResult = WhiteWins;
8936 else if( result < 0 ) {
8937 gameResult = BlackWins;
8940 if( gameMode == TwoMachinesPlay ) {
8941 GameEnds( gameResult, "User adjudication", GE_XBOARD );
8946 // [HGM] save: calculate checksum of game to make games easily identifiable
8947 int StringCheckSum(char *s)
8950 if(s==NULL) return 0;
8951 while(*s) i = i*259 + *s++;
8958 for(i=backwardMostMove; i<forwardMostMove; i++) {
8959 sum += pvInfoList[i].depth;
8960 sum += StringCheckSum(parseList[i]);
8961 sum += StringCheckSum(commentList[i]);
8964 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
8965 return sum + StringCheckSum(commentList[i]);
8966 } // end of save patch
8969 GameEnds(result, resultDetails, whosays)
8971 char *resultDetails;
8974 GameMode nextGameMode;
8978 if(endingGame) return; /* [HGM] crash: forbid recursion */
8980 if(twoBoards) { // [HGM] dual: switch back to one board
8981 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
8982 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
8984 if (appData.debugMode) {
8985 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
8986 result, resultDetails ? resultDetails : "(null)", whosays);
8989 fromX = fromY = -1; // [HGM] abort any move the user is entering.
8991 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
8992 /* If we are playing on ICS, the server decides when the
8993 game is over, but the engine can offer to draw, claim
8997 if (appData.zippyPlay && first.initDone) {
8998 if (result == GameIsDrawn) {
8999 /* In case draw still needs to be claimed */
9000 SendToICS(ics_prefix);
9001 SendToICS("draw\n");
9002 } else if (StrCaseStr(resultDetails, "resign")) {
9003 SendToICS(ics_prefix);
9004 SendToICS("resign\n");
9008 endingGame = 0; /* [HGM] crash */
9012 /* If we're loading the game from a file, stop */
9013 if (whosays == GE_FILE) {
9014 (void) StopLoadGameTimer();
9018 /* Cancel draw offers */
9019 first.offeredDraw = second.offeredDraw = 0;
9021 /* If this is an ICS game, only ICS can really say it's done;
9022 if not, anyone can. */
9023 isIcsGame = (gameMode == IcsPlayingWhite ||
9024 gameMode == IcsPlayingBlack ||
9025 gameMode == IcsObserving ||
9026 gameMode == IcsExamining);
9028 if (!isIcsGame || whosays == GE_ICS) {
9029 /* OK -- not an ICS game, or ICS said it was done */
9031 if (!isIcsGame && !appData.noChessProgram)
9032 SetUserThinkingEnables();
9034 /* [HGM] if a machine claims the game end we verify this claim */
9035 if(gameMode == TwoMachinesPlay && appData.testClaims) {
9036 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
9038 ChessMove trueResult = (ChessMove) -1;
9040 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
9041 first.twoMachinesColor[0] :
9042 second.twoMachinesColor[0] ;
9044 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
9045 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
9046 /* [HGM] verify: engine mate claims accepted if they were flagged */
9047 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
9049 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
9050 /* [HGM] verify: engine mate claims accepted if they were flagged */
9051 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
9053 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
9054 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
9057 // now verify win claims, but not in drop games, as we don't understand those yet
9058 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
9059 || gameInfo.variant == VariantGreat) &&
9060 (result == WhiteWins && claimer == 'w' ||
9061 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
9062 if (appData.debugMode) {
9063 fprintf(debugFP, "result=%d sp=%d move=%d\n",
9064 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
9066 if(result != trueResult) {
9067 sprintf(buf, "False win claim: '%s'", resultDetails);
9068 result = claimer == 'w' ? BlackWins : WhiteWins;
9069 resultDetails = buf;
9072 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
9073 && (forwardMostMove <= backwardMostMove ||
9074 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
9075 (claimer=='b')==(forwardMostMove&1))
9077 /* [HGM] verify: draws that were not flagged are false claims */
9078 sprintf(buf, "False draw claim: '%s'", resultDetails);
9079 result = claimer == 'w' ? BlackWins : WhiteWins;
9080 resultDetails = buf;
9082 /* (Claiming a loss is accepted no questions asked!) */
9084 /* [HGM] bare: don't allow bare King to win */
9085 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
9086 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
9087 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
9088 && result != GameIsDrawn)
9089 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
9090 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
9091 int p = (signed char)boards[forwardMostMove][i][j] - color;
9092 if(p >= 0 && p <= (int)WhiteKing) k++;
9094 if (appData.debugMode) {
9095 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
9096 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
9099 result = GameIsDrawn;
9100 sprintf(buf, "%s but bare king", resultDetails);
9101 resultDetails = buf;
9107 if(serverMoves != NULL && !loadFlag) { char c = '=';
9108 if(result==WhiteWins) c = '+';
9109 if(result==BlackWins) c = '-';
9110 if(resultDetails != NULL)
9111 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
9113 if (resultDetails != NULL) {
9114 gameInfo.result = result;
9115 gameInfo.resultDetails = StrSave(resultDetails);
9117 /* display last move only if game was not loaded from file */
9118 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
9119 DisplayMove(currentMove - 1);
9121 if (forwardMostMove != 0) {
9122 if (gameMode != PlayFromGameFile && gameMode != EditGame
9123 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
9125 if (*appData.saveGameFile != NULLCHAR) {
9126 SaveGameToFile(appData.saveGameFile, TRUE);
9127 } else if (appData.autoSaveGames) {
9130 if (*appData.savePositionFile != NULLCHAR) {
9131 SavePositionToFile(appData.savePositionFile);
9136 /* Tell program how game ended in case it is learning */
9137 /* [HGM] Moved this to after saving the PGN, just in case */
9138 /* engine died and we got here through time loss. In that */
9139 /* case we will get a fatal error writing the pipe, which */
9140 /* would otherwise lose us the PGN. */
9141 /* [HGM] crash: not needed anymore, but doesn't hurt; */
9142 /* output during GameEnds should never be fatal anymore */
9143 if (gameMode == MachinePlaysWhite ||
9144 gameMode == MachinePlaysBlack ||
9145 gameMode == TwoMachinesPlay ||
9146 gameMode == IcsPlayingWhite ||
9147 gameMode == IcsPlayingBlack ||
9148 gameMode == BeginningOfGame) {
9150 sprintf(buf, "result %s {%s}\n", PGNResult(result),
9152 if (first.pr != NoProc) {
9153 SendToProgram(buf, &first);
9155 if (second.pr != NoProc &&
9156 gameMode == TwoMachinesPlay) {
9157 SendToProgram(buf, &second);
9162 if (appData.icsActive) {
9163 if (appData.quietPlay &&
9164 (gameMode == IcsPlayingWhite ||
9165 gameMode == IcsPlayingBlack)) {
9166 SendToICS(ics_prefix);
9167 SendToICS("set shout 1\n");
9169 nextGameMode = IcsIdle;
9170 ics_user_moved = FALSE;
9171 /* clean up premove. It's ugly when the game has ended and the
9172 * premove highlights are still on the board.
9176 ClearPremoveHighlights();
9177 DrawPosition(FALSE, boards[currentMove]);
9179 if (whosays == GE_ICS) {
9182 if (gameMode == IcsPlayingWhite)
9184 else if(gameMode == IcsPlayingBlack)
9188 if (gameMode == IcsPlayingBlack)
9190 else if(gameMode == IcsPlayingWhite)
9197 PlayIcsUnfinishedSound();
9200 } else if (gameMode == EditGame ||
9201 gameMode == PlayFromGameFile ||
9202 gameMode == AnalyzeMode ||
9203 gameMode == AnalyzeFile) {
9204 nextGameMode = gameMode;
9206 nextGameMode = EndOfGame;
9211 nextGameMode = gameMode;
9214 if (appData.noChessProgram) {
9215 gameMode = nextGameMode;
9217 endingGame = 0; /* [HGM] crash */
9222 /* Put first chess program into idle state */
9223 if (first.pr != NoProc &&
9224 (gameMode == MachinePlaysWhite ||
9225 gameMode == MachinePlaysBlack ||
9226 gameMode == TwoMachinesPlay ||
9227 gameMode == IcsPlayingWhite ||
9228 gameMode == IcsPlayingBlack ||
9229 gameMode == BeginningOfGame)) {
9230 SendToProgram("force\n", &first);
9231 if (first.usePing) {
9233 sprintf(buf, "ping %d\n", ++first.lastPing);
9234 SendToProgram(buf, &first);
9237 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9238 /* Kill off first chess program */
9239 if (first.isr != NULL)
9240 RemoveInputSource(first.isr);
9243 if (first.pr != NoProc) {
9245 DoSleep( appData.delayBeforeQuit );
9246 SendToProgram("quit\n", &first);
9247 DoSleep( appData.delayAfterQuit );
9248 DestroyChildProcess(first.pr, first.useSigterm);
9253 /* Put second chess program into idle state */
9254 if (second.pr != NoProc &&
9255 gameMode == TwoMachinesPlay) {
9256 SendToProgram("force\n", &second);
9257 if (second.usePing) {
9259 sprintf(buf, "ping %d\n", ++second.lastPing);
9260 SendToProgram(buf, &second);
9263 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9264 /* Kill off second chess program */
9265 if (second.isr != NULL)
9266 RemoveInputSource(second.isr);
9269 if (second.pr != NoProc) {
9270 DoSleep( appData.delayBeforeQuit );
9271 SendToProgram("quit\n", &second);
9272 DoSleep( appData.delayAfterQuit );
9273 DestroyChildProcess(second.pr, second.useSigterm);
9278 if (matchMode && gameMode == TwoMachinesPlay) {
9281 if (first.twoMachinesColor[0] == 'w') {
9288 if (first.twoMachinesColor[0] == 'b') {
9297 if (matchGame < appData.matchGames) {
9299 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
9300 tmp = first.twoMachinesColor;
9301 first.twoMachinesColor = second.twoMachinesColor;
9302 second.twoMachinesColor = tmp;
9304 gameMode = nextGameMode;
9306 if(appData.matchPause>10000 || appData.matchPause<10)
9307 appData.matchPause = 10000; /* [HGM] make pause adjustable */
9308 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
9309 endingGame = 0; /* [HGM] crash */
9313 gameMode = nextGameMode;
9314 sprintf(buf, _("Match %s vs. %s: final score %d-%d-%d"),
9315 first.tidy, second.tidy,
9316 first.matchWins, second.matchWins,
9317 appData.matchGames - (first.matchWins + second.matchWins));
9318 DisplayFatalError(buf, 0, 0);
9321 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
9322 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
9324 gameMode = nextGameMode;
9326 endingGame = 0; /* [HGM] crash */
9329 /* Assumes program was just initialized (initString sent).
9330 Leaves program in force mode. */
9332 FeedMovesToProgram(cps, upto)
9333 ChessProgramState *cps;
9338 if (appData.debugMode)
9339 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
9340 startedFromSetupPosition ? "position and " : "",
9341 backwardMostMove, upto, cps->which);
9342 if(currentlyInitializedVariant != gameInfo.variant) { char buf[MSG_SIZ];
9343 // [HGM] variantswitch: make engine aware of new variant
9344 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
9345 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
9346 sprintf(buf, "variant %s\n", VariantName(gameInfo.variant));
9347 SendToProgram(buf, cps);
9348 currentlyInitializedVariant = gameInfo.variant;
9350 SendToProgram("force\n", cps);
9351 if (startedFromSetupPosition) {
9352 SendBoard(cps, backwardMostMove);
9353 if (appData.debugMode) {
9354 fprintf(debugFP, "feedMoves\n");
9357 for (i = backwardMostMove; i < upto; i++) {
9358 SendMoveToProgram(i, cps);
9364 ResurrectChessProgram()
9366 /* The chess program may have exited.
9367 If so, restart it and feed it all the moves made so far. */
9369 if (appData.noChessProgram || first.pr != NoProc) return;
9371 StartChessProgram(&first);
9372 InitChessProgram(&first, FALSE);
9373 FeedMovesToProgram(&first, currentMove);
9375 if (!first.sendTime) {
9376 /* can't tell gnuchess what its clock should read,
9377 so we bow to its notion. */
9379 timeRemaining[0][currentMove] = whiteTimeRemaining;
9380 timeRemaining[1][currentMove] = blackTimeRemaining;
9383 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
9384 appData.icsEngineAnalyze) && first.analysisSupport) {
9385 SendToProgram("analyze\n", &first);
9386 first.analyzing = TRUE;
9399 if (appData.debugMode) {
9400 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
9401 redraw, init, gameMode);
9403 CleanupTail(); // [HGM] vari: delete any stored variations
9404 pausing = pauseExamInvalid = FALSE;
9405 startedFromSetupPosition = blackPlaysFirst = FALSE;
9407 whiteFlag = blackFlag = FALSE;
9408 userOfferedDraw = FALSE;
9409 hintRequested = bookRequested = FALSE;
9410 first.maybeThinking = FALSE;
9411 second.maybeThinking = FALSE;
9412 first.bookSuspend = FALSE; // [HGM] book
9413 second.bookSuspend = FALSE;
9414 thinkOutput[0] = NULLCHAR;
9415 lastHint[0] = NULLCHAR;
9416 ClearGameInfo(&gameInfo);
9417 gameInfo.variant = StringToVariant(appData.variant);
9418 ics_user_moved = ics_clock_paused = FALSE;
9419 ics_getting_history = H_FALSE;
9421 white_holding[0] = black_holding[0] = NULLCHAR;
9422 ClearProgramStats();
9423 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
9427 flipView = appData.flipView;
9428 ClearPremoveHighlights();
9430 alarmSounded = FALSE;
9432 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
9433 if(appData.serverMovesName != NULL) {
9434 /* [HGM] prepare to make moves file for broadcasting */
9435 clock_t t = clock();
9436 if(serverMoves != NULL) fclose(serverMoves);
9437 serverMoves = fopen(appData.serverMovesName, "r");
9438 if(serverMoves != NULL) {
9439 fclose(serverMoves);
9440 /* delay 15 sec before overwriting, so all clients can see end */
9441 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
9443 serverMoves = fopen(appData.serverMovesName, "w");
9447 gameMode = BeginningOfGame;
9449 if(appData.icsActive) gameInfo.variant = VariantNormal;
9450 currentMove = forwardMostMove = backwardMostMove = 0;
9451 InitPosition(redraw);
9452 for (i = 0; i < MAX_MOVES; i++) {
9453 if (commentList[i] != NULL) {
9454 free(commentList[i]);
9455 commentList[i] = NULL;
9459 timeRemaining[0][0] = whiteTimeRemaining;
9460 timeRemaining[1][0] = blackTimeRemaining;
9461 if (first.pr == NULL) {
9462 StartChessProgram(&first);
9465 InitChessProgram(&first, startedFromSetupPosition);
9468 DisplayMessage("", "");
9469 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9470 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
9477 if (!AutoPlayOneMove())
9479 if (matchMode || appData.timeDelay == 0)
9481 if (appData.timeDelay < 0 || gameMode == AnalyzeFile)
9483 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
9492 int fromX, fromY, toX, toY;
9494 if (appData.debugMode) {
9495 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
9498 if (gameMode != PlayFromGameFile)
9501 if (currentMove >= forwardMostMove) {
9502 gameMode = EditGame;
9505 /* [AS] Clear current move marker at the end of a game */
9506 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
9511 toX = moveList[currentMove][2] - AAA;
9512 toY = moveList[currentMove][3] - ONE;
9514 if (moveList[currentMove][1] == '@') {
9515 if (appData.highlightLastMove) {
9516 SetHighlights(-1, -1, toX, toY);
9519 fromX = moveList[currentMove][0] - AAA;
9520 fromY = moveList[currentMove][1] - ONE;
9522 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
9524 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
9526 if (appData.highlightLastMove) {
9527 SetHighlights(fromX, fromY, toX, toY);
9530 DisplayMove(currentMove);
9531 SendMoveToProgram(currentMove++, &first);
9532 DisplayBothClocks();
9533 DrawPosition(FALSE, boards[currentMove]);
9534 // [HGM] PV info: always display, routine tests if empty
9535 DisplayComment(currentMove - 1, commentList[currentMove]);
9541 LoadGameOneMove(readAhead)
9542 ChessMove readAhead;
9544 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
9545 char promoChar = NULLCHAR;
9550 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
9551 gameMode != AnalyzeMode && gameMode != Training) {
9556 yyboardindex = forwardMostMove;
9557 if (readAhead != (ChessMove)0) {
9558 moveType = readAhead;
9560 if (gameFileFP == NULL)
9562 moveType = (ChessMove) yylex();
9568 if (appData.debugMode)
9569 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9572 /* append the comment but don't display it */
9573 AppendComment(currentMove, p, FALSE);
9576 case WhiteCapturesEnPassant:
9577 case BlackCapturesEnPassant:
9578 case WhitePromotionChancellor:
9579 case BlackPromotionChancellor:
9580 case WhitePromotionArchbishop:
9581 case BlackPromotionArchbishop:
9582 case WhitePromotionCentaur:
9583 case BlackPromotionCentaur:
9584 case WhitePromotionQueen:
9585 case BlackPromotionQueen:
9586 case WhitePromotionRook:
9587 case BlackPromotionRook:
9588 case WhitePromotionBishop:
9589 case BlackPromotionBishop:
9590 case WhitePromotionKnight:
9591 case BlackPromotionKnight:
9592 case WhitePromotionKing:
9593 case BlackPromotionKing:
9595 case WhiteKingSideCastle:
9596 case WhiteQueenSideCastle:
9597 case BlackKingSideCastle:
9598 case BlackQueenSideCastle:
9599 case WhiteKingSideCastleWild:
9600 case WhiteQueenSideCastleWild:
9601 case BlackKingSideCastleWild:
9602 case BlackQueenSideCastleWild:
9604 case WhiteHSideCastleFR:
9605 case WhiteASideCastleFR:
9606 case BlackHSideCastleFR:
9607 case BlackASideCastleFR:
9609 if (appData.debugMode)
9610 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9611 fromX = currentMoveString[0] - AAA;
9612 fromY = currentMoveString[1] - ONE;
9613 toX = currentMoveString[2] - AAA;
9614 toY = currentMoveString[3] - ONE;
9615 promoChar = currentMoveString[4];
9620 if (appData.debugMode)
9621 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9622 fromX = moveType == WhiteDrop ?
9623 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9624 (int) CharToPiece(ToLower(currentMoveString[0]));
9626 toX = currentMoveString[2] - AAA;
9627 toY = currentMoveString[3] - ONE;
9633 case GameUnfinished:
9634 if (appData.debugMode)
9635 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
9636 p = strchr(yy_text, '{');
9637 if (p == NULL) p = strchr(yy_text, '(');
9640 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9642 q = strchr(p, *p == '{' ? '}' : ')');
9643 if (q != NULL) *q = NULLCHAR;
9646 GameEnds(moveType, p, GE_FILE);
9648 if (cmailMsgLoaded) {
9650 flipView = WhiteOnMove(currentMove);
9651 if (moveType == GameUnfinished) flipView = !flipView;
9652 if (appData.debugMode)
9653 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
9657 case (ChessMove) 0: /* end of file */
9658 if (appData.debugMode)
9659 fprintf(debugFP, "Parser hit end of file\n");
9660 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9666 if (WhiteOnMove(currentMove)) {
9667 GameEnds(BlackWins, "Black mates", GE_FILE);
9669 GameEnds(WhiteWins, "White mates", GE_FILE);
9673 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9680 if (lastLoadGameStart == GNUChessGame) {
9681 /* GNUChessGames have numbers, but they aren't move numbers */
9682 if (appData.debugMode)
9683 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9684 yy_text, (int) moveType);
9685 return LoadGameOneMove((ChessMove)0); /* tail recursion */
9687 /* else fall thru */
9692 /* Reached start of next game in file */
9693 if (appData.debugMode)
9694 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
9695 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9701 if (WhiteOnMove(currentMove)) {
9702 GameEnds(BlackWins, "Black mates", GE_FILE);
9704 GameEnds(WhiteWins, "White mates", GE_FILE);
9708 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9714 case PositionDiagram: /* should not happen; ignore */
9715 case ElapsedTime: /* ignore */
9716 case NAG: /* ignore */
9717 if (appData.debugMode)
9718 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9719 yy_text, (int) moveType);
9720 return LoadGameOneMove((ChessMove)0); /* tail recursion */
9723 if (appData.testLegality) {
9724 if (appData.debugMode)
9725 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
9726 sprintf(move, _("Illegal move: %d.%s%s"),
9727 (forwardMostMove / 2) + 1,
9728 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9729 DisplayError(move, 0);
9732 if (appData.debugMode)
9733 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
9734 yy_text, currentMoveString);
9735 fromX = currentMoveString[0] - AAA;
9736 fromY = currentMoveString[1] - ONE;
9737 toX = currentMoveString[2] - AAA;
9738 toY = currentMoveString[3] - ONE;
9739 promoChar = currentMoveString[4];
9744 if (appData.debugMode)
9745 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
9746 sprintf(move, _("Ambiguous move: %d.%s%s"),
9747 (forwardMostMove / 2) + 1,
9748 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9749 DisplayError(move, 0);
9754 case ImpossibleMove:
9755 if (appData.debugMode)
9756 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
9757 sprintf(move, _("Illegal move: %d.%s%s"),
9758 (forwardMostMove / 2) + 1,
9759 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9760 DisplayError(move, 0);
9766 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
9767 DrawPosition(FALSE, boards[currentMove]);
9768 DisplayBothClocks();
9769 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
9770 DisplayComment(currentMove - 1, commentList[currentMove]);
9772 (void) StopLoadGameTimer();
9774 cmailOldMove = forwardMostMove;
9777 /* currentMoveString is set as a side-effect of yylex */
9778 strcat(currentMoveString, "\n");
9779 strcpy(moveList[forwardMostMove], currentMoveString);
9781 thinkOutput[0] = NULLCHAR;
9782 MakeMove(fromX, fromY, toX, toY, promoChar);
9783 currentMove = forwardMostMove;
9788 /* Load the nth game from the given file */
9790 LoadGameFromFile(filename, n, title, useList)
9794 /*Boolean*/ int useList;
9799 if (strcmp(filename, "-") == 0) {
9803 f = fopen(filename, "rb");
9805 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9806 DisplayError(buf, errno);
9810 if (fseek(f, 0, 0) == -1) {
9811 /* f is not seekable; probably a pipe */
9814 if (useList && n == 0) {
9815 int error = GameListBuild(f);
9817 DisplayError(_("Cannot build game list"), error);
9818 } else if (!ListEmpty(&gameList) &&
9819 ((ListGame *) gameList.tailPred)->number > 1) {
9820 GameListPopUp(f, title);
9827 return LoadGame(f, n, title, FALSE);
9832 MakeRegisteredMove()
9834 int fromX, fromY, toX, toY;
9836 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9837 switch (cmailMoveType[lastLoadGameNumber - 1]) {
9840 if (appData.debugMode)
9841 fprintf(debugFP, "Restoring %s for game %d\n",
9842 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
9844 thinkOutput[0] = NULLCHAR;
9845 strcpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1]);
9846 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
9847 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
9848 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
9849 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
9850 promoChar = cmailMove[lastLoadGameNumber - 1][4];
9851 MakeMove(fromX, fromY, toX, toY, promoChar);
9852 ShowMove(fromX, fromY, toX, toY);
9854 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9861 if (WhiteOnMove(currentMove)) {
9862 GameEnds(BlackWins, "Black mates", GE_PLAYER);
9864 GameEnds(WhiteWins, "White mates", GE_PLAYER);
9869 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
9876 if (WhiteOnMove(currentMove)) {
9877 GameEnds(BlackWins, "White resigns", GE_PLAYER);
9879 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
9884 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
9895 /* Wrapper around LoadGame for use when a Cmail message is loaded */
9897 CmailLoadGame(f, gameNumber, title, useList)
9905 if (gameNumber > nCmailGames) {
9906 DisplayError(_("No more games in this message"), 0);
9909 if (f == lastLoadGameFP) {
9910 int offset = gameNumber - lastLoadGameNumber;
9912 cmailMsg[0] = NULLCHAR;
9913 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9914 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
9915 nCmailMovesRegistered--;
9917 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
9918 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
9919 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
9922 if (! RegisterMove()) return FALSE;
9926 retVal = LoadGame(f, gameNumber, title, useList);
9928 /* Make move registered during previous look at this game, if any */
9929 MakeRegisteredMove();
9931 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
9932 commentList[currentMove]
9933 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
9934 DisplayComment(currentMove - 1, commentList[currentMove]);
9940 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
9945 int gameNumber = lastLoadGameNumber + offset;
9946 if (lastLoadGameFP == NULL) {
9947 DisplayError(_("No game has been loaded yet"), 0);
9950 if (gameNumber <= 0) {
9951 DisplayError(_("Can't back up any further"), 0);
9954 if (cmailMsgLoaded) {
9955 return CmailLoadGame(lastLoadGameFP, gameNumber,
9956 lastLoadGameTitle, lastLoadGameUseList);
9958 return LoadGame(lastLoadGameFP, gameNumber,
9959 lastLoadGameTitle, lastLoadGameUseList);
9965 /* Load the nth game from open file f */
9967 LoadGame(f, gameNumber, title, useList)
9975 int gn = gameNumber;
9976 ListGame *lg = NULL;
9979 GameMode oldGameMode;
9980 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
9982 if (appData.debugMode)
9983 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
9985 if (gameMode == Training )
9986 SetTrainingModeOff();
9988 oldGameMode = gameMode;
9989 if (gameMode != BeginningOfGame) {
9994 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
9995 fclose(lastLoadGameFP);
9999 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
10002 fseek(f, lg->offset, 0);
10003 GameListHighlight(gameNumber);
10007 DisplayError(_("Game number out of range"), 0);
10012 if (fseek(f, 0, 0) == -1) {
10013 if (f == lastLoadGameFP ?
10014 gameNumber == lastLoadGameNumber + 1 :
10018 DisplayError(_("Can't seek on game file"), 0);
10023 lastLoadGameFP = f;
10024 lastLoadGameNumber = gameNumber;
10025 strcpy(lastLoadGameTitle, title);
10026 lastLoadGameUseList = useList;
10030 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
10031 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
10032 lg->gameInfo.black);
10034 } else if (*title != NULLCHAR) {
10035 if (gameNumber > 1) {
10036 sprintf(buf, "%s %d", title, gameNumber);
10039 DisplayTitle(title);
10043 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
10044 gameMode = PlayFromGameFile;
10048 currentMove = forwardMostMove = backwardMostMove = 0;
10049 CopyBoard(boards[0], initialPosition);
10053 * Skip the first gn-1 games in the file.
10054 * Also skip over anything that precedes an identifiable
10055 * start of game marker, to avoid being confused by
10056 * garbage at the start of the file. Currently
10057 * recognized start of game markers are the move number "1",
10058 * the pattern "gnuchess .* game", the pattern
10059 * "^[#;%] [^ ]* game file", and a PGN tag block.
10060 * A game that starts with one of the latter two patterns
10061 * will also have a move number 1, possibly
10062 * following a position diagram.
10063 * 5-4-02: Let's try being more lenient and allowing a game to
10064 * start with an unnumbered move. Does that break anything?
10066 cm = lastLoadGameStart = (ChessMove) 0;
10068 yyboardindex = forwardMostMove;
10069 cm = (ChessMove) yylex();
10071 case (ChessMove) 0:
10072 if (cmailMsgLoaded) {
10073 nCmailGames = CMAIL_MAX_GAMES - gn;
10076 DisplayError(_("Game not found in file"), 0);
10083 lastLoadGameStart = cm;
10086 case MoveNumberOne:
10087 switch (lastLoadGameStart) {
10092 case MoveNumberOne:
10093 case (ChessMove) 0:
10094 gn--; /* count this game */
10095 lastLoadGameStart = cm;
10104 switch (lastLoadGameStart) {
10107 case MoveNumberOne:
10108 case (ChessMove) 0:
10109 gn--; /* count this game */
10110 lastLoadGameStart = cm;
10113 lastLoadGameStart = cm; /* game counted already */
10121 yyboardindex = forwardMostMove;
10122 cm = (ChessMove) yylex();
10123 } while (cm == PGNTag || cm == Comment);
10130 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
10131 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
10132 != CMAIL_OLD_RESULT) {
10134 cmailResult[ CMAIL_MAX_GAMES
10135 - gn - 1] = CMAIL_OLD_RESULT;
10141 /* Only a NormalMove can be at the start of a game
10142 * without a position diagram. */
10143 if (lastLoadGameStart == (ChessMove) 0) {
10145 lastLoadGameStart = MoveNumberOne;
10154 if (appData.debugMode)
10155 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
10157 if (cm == XBoardGame) {
10158 /* Skip any header junk before position diagram and/or move 1 */
10160 yyboardindex = forwardMostMove;
10161 cm = (ChessMove) yylex();
10163 if (cm == (ChessMove) 0 ||
10164 cm == GNUChessGame || cm == XBoardGame) {
10165 /* Empty game; pretend end-of-file and handle later */
10166 cm = (ChessMove) 0;
10170 if (cm == MoveNumberOne || cm == PositionDiagram ||
10171 cm == PGNTag || cm == Comment)
10174 } else if (cm == GNUChessGame) {
10175 if (gameInfo.event != NULL) {
10176 free(gameInfo.event);
10178 gameInfo.event = StrSave(yy_text);
10181 startedFromSetupPosition = FALSE;
10182 while (cm == PGNTag) {
10183 if (appData.debugMode)
10184 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
10185 err = ParsePGNTag(yy_text, &gameInfo);
10186 if (!err) numPGNTags++;
10188 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
10189 if(gameInfo.variant != oldVariant) {
10190 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
10191 InitPosition(TRUE);
10192 oldVariant = gameInfo.variant;
10193 if (appData.debugMode)
10194 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
10198 if (gameInfo.fen != NULL) {
10199 Board initial_position;
10200 startedFromSetupPosition = TRUE;
10201 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
10203 DisplayError(_("Bad FEN position in file"), 0);
10206 CopyBoard(boards[0], initial_position);
10207 if (blackPlaysFirst) {
10208 currentMove = forwardMostMove = backwardMostMove = 1;
10209 CopyBoard(boards[1], initial_position);
10210 strcpy(moveList[0], "");
10211 strcpy(parseList[0], "");
10212 timeRemaining[0][1] = whiteTimeRemaining;
10213 timeRemaining[1][1] = blackTimeRemaining;
10214 if (commentList[0] != NULL) {
10215 commentList[1] = commentList[0];
10216 commentList[0] = NULL;
10219 currentMove = forwardMostMove = backwardMostMove = 0;
10221 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
10223 initialRulePlies = FENrulePlies;
10224 for( i=0; i< nrCastlingRights; i++ )
10225 initialRights[i] = initial_position[CASTLING][i];
10227 yyboardindex = forwardMostMove;
10228 free(gameInfo.fen);
10229 gameInfo.fen = NULL;
10232 yyboardindex = forwardMostMove;
10233 cm = (ChessMove) yylex();
10235 /* Handle comments interspersed among the tags */
10236 while (cm == Comment) {
10238 if (appData.debugMode)
10239 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10241 AppendComment(currentMove, p, FALSE);
10242 yyboardindex = forwardMostMove;
10243 cm = (ChessMove) yylex();
10247 /* don't rely on existence of Event tag since if game was
10248 * pasted from clipboard the Event tag may not exist
10250 if (numPGNTags > 0){
10252 if (gameInfo.variant == VariantNormal) {
10253 VariantClass v = StringToVariant(gameInfo.event);
10254 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
10255 if(v < VariantShogi) gameInfo.variant = v;
10258 if( appData.autoDisplayTags ) {
10259 tags = PGNTags(&gameInfo);
10260 TagsPopUp(tags, CmailMsg());
10265 /* Make something up, but don't display it now */
10270 if (cm == PositionDiagram) {
10273 Board initial_position;
10275 if (appData.debugMode)
10276 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
10278 if (!startedFromSetupPosition) {
10280 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
10281 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
10291 initial_position[i][j++] = CharToPiece(*p);
10294 while (*p == ' ' || *p == '\t' ||
10295 *p == '\n' || *p == '\r') p++;
10297 if (strncmp(p, "black", strlen("black"))==0)
10298 blackPlaysFirst = TRUE;
10300 blackPlaysFirst = FALSE;
10301 startedFromSetupPosition = TRUE;
10303 CopyBoard(boards[0], initial_position);
10304 if (blackPlaysFirst) {
10305 currentMove = forwardMostMove = backwardMostMove = 1;
10306 CopyBoard(boards[1], initial_position);
10307 strcpy(moveList[0], "");
10308 strcpy(parseList[0], "");
10309 timeRemaining[0][1] = whiteTimeRemaining;
10310 timeRemaining[1][1] = blackTimeRemaining;
10311 if (commentList[0] != NULL) {
10312 commentList[1] = commentList[0];
10313 commentList[0] = NULL;
10316 currentMove = forwardMostMove = backwardMostMove = 0;
10319 yyboardindex = forwardMostMove;
10320 cm = (ChessMove) yylex();
10323 if (first.pr == NoProc) {
10324 StartChessProgram(&first);
10326 InitChessProgram(&first, FALSE);
10327 SendToProgram("force\n", &first);
10328 if (startedFromSetupPosition) {
10329 SendBoard(&first, forwardMostMove);
10330 if (appData.debugMode) {
10331 fprintf(debugFP, "Load Game\n");
10333 DisplayBothClocks();
10336 /* [HGM] server: flag to write setup moves in broadcast file as one */
10337 loadFlag = appData.suppressLoadMoves;
10339 while (cm == Comment) {
10341 if (appData.debugMode)
10342 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10344 AppendComment(currentMove, p, FALSE);
10345 yyboardindex = forwardMostMove;
10346 cm = (ChessMove) yylex();
10349 if ((cm == (ChessMove) 0 && lastLoadGameStart != (ChessMove) 0) ||
10350 cm == WhiteWins || cm == BlackWins ||
10351 cm == GameIsDrawn || cm == GameUnfinished) {
10352 DisplayMessage("", _("No moves in game"));
10353 if (cmailMsgLoaded) {
10354 if (appData.debugMode)
10355 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
10359 DrawPosition(FALSE, boards[currentMove]);
10360 DisplayBothClocks();
10361 gameMode = EditGame;
10368 // [HGM] PV info: routine tests if comment empty
10369 if (!matchMode && (pausing || appData.timeDelay != 0)) {
10370 DisplayComment(currentMove - 1, commentList[currentMove]);
10372 if (!matchMode && appData.timeDelay != 0)
10373 DrawPosition(FALSE, boards[currentMove]);
10375 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
10376 programStats.ok_to_send = 1;
10379 /* if the first token after the PGN tags is a move
10380 * and not move number 1, retrieve it from the parser
10382 if (cm != MoveNumberOne)
10383 LoadGameOneMove(cm);
10385 /* load the remaining moves from the file */
10386 while (LoadGameOneMove((ChessMove)0)) {
10387 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10388 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10391 /* rewind to the start of the game */
10392 currentMove = backwardMostMove;
10394 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10396 if (oldGameMode == AnalyzeFile ||
10397 oldGameMode == AnalyzeMode) {
10398 AnalyzeFileEvent();
10401 if (matchMode || appData.timeDelay == 0) {
10403 gameMode = EditGame;
10405 } else if (appData.timeDelay > 0) {
10406 AutoPlayGameLoop();
10409 if (appData.debugMode)
10410 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
10412 loadFlag = 0; /* [HGM] true game starts */
10416 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
10418 ReloadPosition(offset)
10421 int positionNumber = lastLoadPositionNumber + offset;
10422 if (lastLoadPositionFP == NULL) {
10423 DisplayError(_("No position has been loaded yet"), 0);
10426 if (positionNumber <= 0) {
10427 DisplayError(_("Can't back up any further"), 0);
10430 return LoadPosition(lastLoadPositionFP, positionNumber,
10431 lastLoadPositionTitle);
10434 /* Load the nth position from the given file */
10436 LoadPositionFromFile(filename, n, title)
10444 if (strcmp(filename, "-") == 0) {
10445 return LoadPosition(stdin, n, "stdin");
10447 f = fopen(filename, "rb");
10449 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10450 DisplayError(buf, errno);
10453 return LoadPosition(f, n, title);
10458 /* Load the nth position from the given open file, and close it */
10460 LoadPosition(f, positionNumber, title)
10462 int positionNumber;
10465 char *p, line[MSG_SIZ];
10466 Board initial_position;
10467 int i, j, fenMode, pn;
10469 if (gameMode == Training )
10470 SetTrainingModeOff();
10472 if (gameMode != BeginningOfGame) {
10473 Reset(FALSE, TRUE);
10475 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
10476 fclose(lastLoadPositionFP);
10478 if (positionNumber == 0) positionNumber = 1;
10479 lastLoadPositionFP = f;
10480 lastLoadPositionNumber = positionNumber;
10481 strcpy(lastLoadPositionTitle, title);
10482 if (first.pr == NoProc) {
10483 StartChessProgram(&first);
10484 InitChessProgram(&first, FALSE);
10486 pn = positionNumber;
10487 if (positionNumber < 0) {
10488 /* Negative position number means to seek to that byte offset */
10489 if (fseek(f, -positionNumber, 0) == -1) {
10490 DisplayError(_("Can't seek on position file"), 0);
10495 if (fseek(f, 0, 0) == -1) {
10496 if (f == lastLoadPositionFP ?
10497 positionNumber == lastLoadPositionNumber + 1 :
10498 positionNumber == 1) {
10501 DisplayError(_("Can't seek on position file"), 0);
10506 /* See if this file is FEN or old-style xboard */
10507 if (fgets(line, MSG_SIZ, f) == NULL) {
10508 DisplayError(_("Position not found in file"), 0);
10511 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
10512 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
10515 if (fenMode || line[0] == '#') pn--;
10517 /* skip positions before number pn */
10518 if (fgets(line, MSG_SIZ, f) == NULL) {
10520 DisplayError(_("Position not found in file"), 0);
10523 if (fenMode || line[0] == '#') pn--;
10528 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
10529 DisplayError(_("Bad FEN position in file"), 0);
10533 (void) fgets(line, MSG_SIZ, f);
10534 (void) fgets(line, MSG_SIZ, f);
10536 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
10537 (void) fgets(line, MSG_SIZ, f);
10538 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
10541 initial_position[i][j++] = CharToPiece(*p);
10545 blackPlaysFirst = FALSE;
10547 (void) fgets(line, MSG_SIZ, f);
10548 if (strncmp(line, "black", strlen("black"))==0)
10549 blackPlaysFirst = TRUE;
10552 startedFromSetupPosition = TRUE;
10554 SendToProgram("force\n", &first);
10555 CopyBoard(boards[0], initial_position);
10556 if (blackPlaysFirst) {
10557 currentMove = forwardMostMove = backwardMostMove = 1;
10558 strcpy(moveList[0], "");
10559 strcpy(parseList[0], "");
10560 CopyBoard(boards[1], initial_position);
10561 DisplayMessage("", _("Black to play"));
10563 currentMove = forwardMostMove = backwardMostMove = 0;
10564 DisplayMessage("", _("White to play"));
10566 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
10567 SendBoard(&first, forwardMostMove);
10568 if (appData.debugMode) {
10570 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
10571 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
10572 fprintf(debugFP, "Load Position\n");
10575 if (positionNumber > 1) {
10576 sprintf(line, "%s %d", title, positionNumber);
10577 DisplayTitle(line);
10579 DisplayTitle(title);
10581 gameMode = EditGame;
10584 timeRemaining[0][1] = whiteTimeRemaining;
10585 timeRemaining[1][1] = blackTimeRemaining;
10586 DrawPosition(FALSE, boards[currentMove]);
10593 CopyPlayerNameIntoFileName(dest, src)
10596 while (*src != NULLCHAR && *src != ',') {
10601 *(*dest)++ = *src++;
10606 char *DefaultFileName(ext)
10609 static char def[MSG_SIZ];
10612 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
10614 CopyPlayerNameIntoFileName(&p, gameInfo.white);
10616 CopyPlayerNameIntoFileName(&p, gameInfo.black);
10625 /* Save the current game to the given file */
10627 SaveGameToFile(filename, append)
10634 if (strcmp(filename, "-") == 0) {
10635 return SaveGame(stdout, 0, NULL);
10637 f = fopen(filename, append ? "a" : "w");
10639 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10640 DisplayError(buf, errno);
10643 return SaveGame(f, 0, NULL);
10652 static char buf[MSG_SIZ];
10655 p = strchr(str, ' ');
10656 if (p == NULL) return str;
10657 strncpy(buf, str, p - str);
10658 buf[p - str] = NULLCHAR;
10662 #define PGN_MAX_LINE 75
10664 #define PGN_SIDE_WHITE 0
10665 #define PGN_SIDE_BLACK 1
10668 static int FindFirstMoveOutOfBook( int side )
10672 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
10673 int index = backwardMostMove;
10674 int has_book_hit = 0;
10676 if( (index % 2) != side ) {
10680 while( index < forwardMostMove ) {
10681 /* Check to see if engine is in book */
10682 int depth = pvInfoList[index].depth;
10683 int score = pvInfoList[index].score;
10689 else if( score == 0 && depth == 63 ) {
10690 in_book = 1; /* Zappa */
10692 else if( score == 2 && depth == 99 ) {
10693 in_book = 1; /* Abrok */
10696 has_book_hit += in_book;
10712 void GetOutOfBookInfo( char * buf )
10716 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10718 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
10719 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
10723 if( oob[0] >= 0 || oob[1] >= 0 ) {
10724 for( i=0; i<2; i++ ) {
10728 if( i > 0 && oob[0] >= 0 ) {
10729 strcat( buf, " " );
10732 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
10733 sprintf( buf+strlen(buf), "%s%.2f",
10734 pvInfoList[idx].score >= 0 ? "+" : "",
10735 pvInfoList[idx].score / 100.0 );
10741 /* Save game in PGN style and close the file */
10746 int i, offset, linelen, newblock;
10750 int movelen, numlen, blank;
10751 char move_buffer[100]; /* [AS] Buffer for move+PV info */
10753 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10755 tm = time((time_t *) NULL);
10757 PrintPGNTags(f, &gameInfo);
10759 if (backwardMostMove > 0 || startedFromSetupPosition) {
10760 char *fen = PositionToFEN(backwardMostMove, NULL);
10761 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
10762 fprintf(f, "\n{--------------\n");
10763 PrintPosition(f, backwardMostMove);
10764 fprintf(f, "--------------}\n");
10768 /* [AS] Out of book annotation */
10769 if( appData.saveOutOfBookInfo ) {
10772 GetOutOfBookInfo( buf );
10774 if( buf[0] != '\0' ) {
10775 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
10782 i = backwardMostMove;
10786 while (i < forwardMostMove) {
10787 /* Print comments preceding this move */
10788 if (commentList[i] != NULL) {
10789 if (linelen > 0) fprintf(f, "\n");
10790 fprintf(f, "%s", commentList[i]);
10795 /* Format move number */
10796 if ((i % 2) == 0) {
10797 sprintf(numtext, "%d.", (i - offset)/2 + 1);
10800 sprintf(numtext, "%d...", (i - offset)/2 + 1);
10802 numtext[0] = NULLCHAR;
10805 numlen = strlen(numtext);
10808 /* Print move number */
10809 blank = linelen > 0 && numlen > 0;
10810 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
10819 fprintf(f, "%s", numtext);
10823 strcpy(move_buffer, SavePart(parseList[i])); // [HGM] pgn: print move via buffer, so it can be edited
10824 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
10827 blank = linelen > 0 && movelen > 0;
10828 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10837 fprintf(f, "%s", move_buffer);
10838 linelen += movelen;
10840 /* [AS] Add PV info if present */
10841 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
10842 /* [HGM] add time */
10843 char buf[MSG_SIZ]; int seconds;
10845 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
10847 if( seconds <= 0) buf[0] = 0; else
10848 if( seconds < 30 ) sprintf(buf, " %3.1f%c", seconds/10., 0); else {
10849 seconds = (seconds + 4)/10; // round to full seconds
10850 if( seconds < 60 ) sprintf(buf, " %d%c", seconds, 0); else
10851 sprintf(buf, " %d:%02d%c", seconds/60, seconds%60, 0);
10854 sprintf( move_buffer, "{%s%.2f/%d%s}",
10855 pvInfoList[i].score >= 0 ? "+" : "",
10856 pvInfoList[i].score / 100.0,
10857 pvInfoList[i].depth,
10860 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
10862 /* Print score/depth */
10863 blank = linelen > 0 && movelen > 0;
10864 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10873 fprintf(f, "%s", move_buffer);
10874 linelen += movelen;
10880 /* Start a new line */
10881 if (linelen > 0) fprintf(f, "\n");
10883 /* Print comments after last move */
10884 if (commentList[i] != NULL) {
10885 fprintf(f, "%s\n", commentList[i]);
10889 if (gameInfo.resultDetails != NULL &&
10890 gameInfo.resultDetails[0] != NULLCHAR) {
10891 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
10892 PGNResult(gameInfo.result));
10894 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10898 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10902 /* Save game in old style and close the file */
10904 SaveGameOldStyle(f)
10910 tm = time((time_t *) NULL);
10912 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
10915 if (backwardMostMove > 0 || startedFromSetupPosition) {
10916 fprintf(f, "\n[--------------\n");
10917 PrintPosition(f, backwardMostMove);
10918 fprintf(f, "--------------]\n");
10923 i = backwardMostMove;
10924 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10926 while (i < forwardMostMove) {
10927 if (commentList[i] != NULL) {
10928 fprintf(f, "[%s]\n", commentList[i]);
10931 if ((i % 2) == 1) {
10932 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
10935 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
10937 if (commentList[i] != NULL) {
10941 if (i >= forwardMostMove) {
10945 fprintf(f, "%s\n", parseList[i]);
10950 if (commentList[i] != NULL) {
10951 fprintf(f, "[%s]\n", commentList[i]);
10954 /* This isn't really the old style, but it's close enough */
10955 if (gameInfo.resultDetails != NULL &&
10956 gameInfo.resultDetails[0] != NULLCHAR) {
10957 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
10958 gameInfo.resultDetails);
10960 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10967 /* Save the current game to open file f and close the file */
10969 SaveGame(f, dummy, dummy2)
10974 if (gameMode == EditPosition) EditPositionDone(TRUE);
10975 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10976 if (appData.oldSaveStyle)
10977 return SaveGameOldStyle(f);
10979 return SaveGamePGN(f);
10982 /* Save the current position to the given file */
10984 SavePositionToFile(filename)
10990 if (strcmp(filename, "-") == 0) {
10991 return SavePosition(stdout, 0, NULL);
10993 f = fopen(filename, "a");
10995 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10996 DisplayError(buf, errno);
10999 SavePosition(f, 0, NULL);
11005 /* Save the current position to the given open file and close the file */
11007 SavePosition(f, dummy, dummy2)
11015 if (gameMode == EditPosition) EditPositionDone(TRUE);
11016 if (appData.oldSaveStyle) {
11017 tm = time((time_t *) NULL);
11019 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
11021 fprintf(f, "[--------------\n");
11022 PrintPosition(f, currentMove);
11023 fprintf(f, "--------------]\n");
11025 fen = PositionToFEN(currentMove, NULL);
11026 fprintf(f, "%s\n", fen);
11034 ReloadCmailMsgEvent(unregister)
11038 static char *inFilename = NULL;
11039 static char *outFilename;
11041 struct stat inbuf, outbuf;
11044 /* Any registered moves are unregistered if unregister is set, */
11045 /* i.e. invoked by the signal handler */
11047 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11048 cmailMoveRegistered[i] = FALSE;
11049 if (cmailCommentList[i] != NULL) {
11050 free(cmailCommentList[i]);
11051 cmailCommentList[i] = NULL;
11054 nCmailMovesRegistered = 0;
11057 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11058 cmailResult[i] = CMAIL_NOT_RESULT;
11062 if (inFilename == NULL) {
11063 /* Because the filenames are static they only get malloced once */
11064 /* and they never get freed */
11065 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
11066 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
11068 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
11069 sprintf(outFilename, "%s.out", appData.cmailGameName);
11072 status = stat(outFilename, &outbuf);
11074 cmailMailedMove = FALSE;
11076 status = stat(inFilename, &inbuf);
11077 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
11080 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
11081 counts the games, notes how each one terminated, etc.
11083 It would be nice to remove this kludge and instead gather all
11084 the information while building the game list. (And to keep it
11085 in the game list nodes instead of having a bunch of fixed-size
11086 parallel arrays.) Note this will require getting each game's
11087 termination from the PGN tags, as the game list builder does
11088 not process the game moves. --mann
11090 cmailMsgLoaded = TRUE;
11091 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
11093 /* Load first game in the file or popup game menu */
11094 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
11096 #endif /* !WIN32 */
11104 char string[MSG_SIZ];
11106 if ( cmailMailedMove
11107 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
11108 return TRUE; /* Allow free viewing */
11111 /* Unregister move to ensure that we don't leave RegisterMove */
11112 /* with the move registered when the conditions for registering no */
11114 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11115 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11116 nCmailMovesRegistered --;
11118 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
11120 free(cmailCommentList[lastLoadGameNumber - 1]);
11121 cmailCommentList[lastLoadGameNumber - 1] = NULL;
11125 if (cmailOldMove == -1) {
11126 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
11130 if (currentMove > cmailOldMove + 1) {
11131 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
11135 if (currentMove < cmailOldMove) {
11136 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
11140 if (forwardMostMove > currentMove) {
11141 /* Silently truncate extra moves */
11145 if ( (currentMove == cmailOldMove + 1)
11146 || ( (currentMove == cmailOldMove)
11147 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
11148 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
11149 if (gameInfo.result != GameUnfinished) {
11150 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
11153 if (commentList[currentMove] != NULL) {
11154 cmailCommentList[lastLoadGameNumber - 1]
11155 = StrSave(commentList[currentMove]);
11157 strcpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1]);
11159 if (appData.debugMode)
11160 fprintf(debugFP, "Saving %s for game %d\n",
11161 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11164 "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
11166 f = fopen(string, "w");
11167 if (appData.oldSaveStyle) {
11168 SaveGameOldStyle(f); /* also closes the file */
11170 sprintf(string, "%s.pos.out", appData.cmailGameName);
11171 f = fopen(string, "w");
11172 SavePosition(f, 0, NULL); /* also closes the file */
11174 fprintf(f, "{--------------\n");
11175 PrintPosition(f, currentMove);
11176 fprintf(f, "--------------}\n\n");
11178 SaveGame(f, 0, NULL); /* also closes the file*/
11181 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
11182 nCmailMovesRegistered ++;
11183 } else if (nCmailGames == 1) {
11184 DisplayError(_("You have not made a move yet"), 0);
11195 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
11196 FILE *commandOutput;
11197 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
11198 int nBytes = 0; /* Suppress warnings on uninitialized variables */
11204 if (! cmailMsgLoaded) {
11205 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
11209 if (nCmailGames == nCmailResults) {
11210 DisplayError(_("No unfinished games"), 0);
11214 #if CMAIL_PROHIBIT_REMAIL
11215 if (cmailMailedMove) {
11216 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);
11217 DisplayError(msg, 0);
11222 if (! (cmailMailedMove || RegisterMove())) return;
11224 if ( cmailMailedMove
11225 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
11226 sprintf(string, partCommandString,
11227 appData.debugMode ? " -v" : "", appData.cmailGameName);
11228 commandOutput = popen(string, "r");
11230 if (commandOutput == NULL) {
11231 DisplayError(_("Failed to invoke cmail"), 0);
11233 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
11234 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
11236 if (nBuffers > 1) {
11237 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
11238 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
11239 nBytes = MSG_SIZ - 1;
11241 (void) memcpy(msg, buffer, nBytes);
11243 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
11245 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
11246 cmailMailedMove = TRUE; /* Prevent >1 moves */
11249 for (i = 0; i < nCmailGames; i ++) {
11250 if (cmailResult[i] == CMAIL_NOT_RESULT) {
11255 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
11257 sprintf(buffer, "%s/%s.%s.archive",
11259 appData.cmailGameName,
11261 LoadGameFromFile(buffer, 1, buffer, FALSE);
11262 cmailMsgLoaded = FALSE;
11266 DisplayInformation(msg);
11267 pclose(commandOutput);
11270 if ((*cmailMsg) != '\0') {
11271 DisplayInformation(cmailMsg);
11276 #endif /* !WIN32 */
11285 int prependComma = 0;
11287 char string[MSG_SIZ]; /* Space for game-list */
11290 if (!cmailMsgLoaded) return "";
11292 if (cmailMailedMove) {
11293 sprintf(cmailMsg, _("Waiting for reply from opponent\n"));
11295 /* Create a list of games left */
11296 sprintf(string, "[");
11297 for (i = 0; i < nCmailGames; i ++) {
11298 if (! ( cmailMoveRegistered[i]
11299 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
11300 if (prependComma) {
11301 sprintf(number, ",%d", i + 1);
11303 sprintf(number, "%d", i + 1);
11307 strcat(string, number);
11310 strcat(string, "]");
11312 if (nCmailMovesRegistered + nCmailResults == 0) {
11313 switch (nCmailGames) {
11316 _("Still need to make move for game\n"));
11321 _("Still need to make moves for both games\n"));
11326 _("Still need to make moves for all %d games\n"),
11331 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
11334 _("Still need to make a move for game %s\n"),
11339 if (nCmailResults == nCmailGames) {
11340 sprintf(cmailMsg, _("No unfinished games\n"));
11342 sprintf(cmailMsg, _("Ready to send mail\n"));
11348 _("Still need to make moves for games %s\n"),
11360 if (gameMode == Training)
11361 SetTrainingModeOff();
11364 cmailMsgLoaded = FALSE;
11365 if (appData.icsActive) {
11366 SendToICS(ics_prefix);
11367 SendToICS("refresh\n");
11377 /* Give up on clean exit */
11381 /* Keep trying for clean exit */
11385 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
11387 if (telnetISR != NULL) {
11388 RemoveInputSource(telnetISR);
11390 if (icsPR != NoProc) {
11391 DestroyChildProcess(icsPR, TRUE);
11394 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
11395 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
11397 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
11398 /* make sure this other one finishes before killing it! */
11399 if(endingGame) { int count = 0;
11400 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
11401 while(endingGame && count++ < 10) DoSleep(1);
11402 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
11405 /* Kill off chess programs */
11406 if (first.pr != NoProc) {
11409 DoSleep( appData.delayBeforeQuit );
11410 SendToProgram("quit\n", &first);
11411 DoSleep( appData.delayAfterQuit );
11412 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
11414 if (second.pr != NoProc) {
11415 DoSleep( appData.delayBeforeQuit );
11416 SendToProgram("quit\n", &second);
11417 DoSleep( appData.delayAfterQuit );
11418 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
11420 if (first.isr != NULL) {
11421 RemoveInputSource(first.isr);
11423 if (second.isr != NULL) {
11424 RemoveInputSource(second.isr);
11427 ShutDownFrontEnd();
11434 if (appData.debugMode)
11435 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
11439 if (gameMode == MachinePlaysWhite ||
11440 gameMode == MachinePlaysBlack) {
11443 DisplayBothClocks();
11445 if (gameMode == PlayFromGameFile) {
11446 if (appData.timeDelay >= 0)
11447 AutoPlayGameLoop();
11448 } else if (gameMode == IcsExamining && pauseExamInvalid) {
11449 Reset(FALSE, TRUE);
11450 SendToICS(ics_prefix);
11451 SendToICS("refresh\n");
11452 } else if (currentMove < forwardMostMove) {
11453 ForwardInner(forwardMostMove);
11455 pauseExamInvalid = FALSE;
11457 switch (gameMode) {
11461 pauseExamForwardMostMove = forwardMostMove;
11462 pauseExamInvalid = FALSE;
11465 case IcsPlayingWhite:
11466 case IcsPlayingBlack:
11470 case PlayFromGameFile:
11471 (void) StopLoadGameTimer();
11475 case BeginningOfGame:
11476 if (appData.icsActive) return;
11477 /* else fall through */
11478 case MachinePlaysWhite:
11479 case MachinePlaysBlack:
11480 case TwoMachinesPlay:
11481 if (forwardMostMove == 0)
11482 return; /* don't pause if no one has moved */
11483 if ((gameMode == MachinePlaysWhite &&
11484 !WhiteOnMove(forwardMostMove)) ||
11485 (gameMode == MachinePlaysBlack &&
11486 WhiteOnMove(forwardMostMove))) {
11499 char title[MSG_SIZ];
11501 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
11502 strcpy(title, _("Edit comment"));
11504 sprintf(title, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
11505 WhiteOnMove(currentMove - 1) ? " " : ".. ",
11506 parseList[currentMove - 1]);
11509 EditCommentPopUp(currentMove, title, commentList[currentMove]);
11516 char *tags = PGNTags(&gameInfo);
11517 EditTagsPopUp(tags);
11524 if (appData.noChessProgram || gameMode == AnalyzeMode)
11527 if (gameMode != AnalyzeFile) {
11528 if (!appData.icsEngineAnalyze) {
11530 if (gameMode != EditGame) return;
11532 ResurrectChessProgram();
11533 SendToProgram("analyze\n", &first);
11534 first.analyzing = TRUE;
11535 /*first.maybeThinking = TRUE;*/
11536 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11537 EngineOutputPopUp();
11539 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
11544 StartAnalysisClock();
11545 GetTimeMark(&lastNodeCountTime);
11552 if (appData.noChessProgram || gameMode == AnalyzeFile)
11555 if (gameMode != AnalyzeMode) {
11557 if (gameMode != EditGame) return;
11558 ResurrectChessProgram();
11559 SendToProgram("analyze\n", &first);
11560 first.analyzing = TRUE;
11561 /*first.maybeThinking = TRUE;*/
11562 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11563 EngineOutputPopUp();
11565 gameMode = AnalyzeFile;
11570 StartAnalysisClock();
11571 GetTimeMark(&lastNodeCountTime);
11576 MachineWhiteEvent()
11579 char *bookHit = NULL;
11581 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
11585 if (gameMode == PlayFromGameFile ||
11586 gameMode == TwoMachinesPlay ||
11587 gameMode == Training ||
11588 gameMode == AnalyzeMode ||
11589 gameMode == EndOfGame)
11592 if (gameMode == EditPosition)
11593 EditPositionDone(TRUE);
11595 if (!WhiteOnMove(currentMove)) {
11596 DisplayError(_("It is not White's turn"), 0);
11600 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11603 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11604 gameMode == AnalyzeFile)
11607 ResurrectChessProgram(); /* in case it isn't running */
11608 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
11609 gameMode = MachinePlaysWhite;
11612 gameMode = MachinePlaysWhite;
11616 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11618 if (first.sendName) {
11619 sprintf(buf, "name %s\n", gameInfo.black);
11620 SendToProgram(buf, &first);
11622 if (first.sendTime) {
11623 if (first.useColors) {
11624 SendToProgram("black\n", &first); /*gnu kludge*/
11626 SendTimeRemaining(&first, TRUE);
11628 if (first.useColors) {
11629 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
11631 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11632 SetMachineThinkingEnables();
11633 first.maybeThinking = TRUE;
11637 if (appData.autoFlipView && !flipView) {
11638 flipView = !flipView;
11639 DrawPosition(FALSE, NULL);
11640 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11643 if(bookHit) { // [HGM] book: simulate book reply
11644 static char bookMove[MSG_SIZ]; // a bit generous?
11646 programStats.nodes = programStats.depth = programStats.time =
11647 programStats.score = programStats.got_only_move = 0;
11648 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11650 strcpy(bookMove, "move ");
11651 strcat(bookMove, bookHit);
11652 HandleMachineMove(bookMove, &first);
11657 MachineBlackEvent()
11660 char *bookHit = NULL;
11662 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
11666 if (gameMode == PlayFromGameFile ||
11667 gameMode == TwoMachinesPlay ||
11668 gameMode == Training ||
11669 gameMode == AnalyzeMode ||
11670 gameMode == EndOfGame)
11673 if (gameMode == EditPosition)
11674 EditPositionDone(TRUE);
11676 if (WhiteOnMove(currentMove)) {
11677 DisplayError(_("It is not Black's turn"), 0);
11681 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11684 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11685 gameMode == AnalyzeFile)
11688 ResurrectChessProgram(); /* in case it isn't running */
11689 gameMode = MachinePlaysBlack;
11693 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11695 if (first.sendName) {
11696 sprintf(buf, "name %s\n", gameInfo.white);
11697 SendToProgram(buf, &first);
11699 if (first.sendTime) {
11700 if (first.useColors) {
11701 SendToProgram("white\n", &first); /*gnu kludge*/
11703 SendTimeRemaining(&first, FALSE);
11705 if (first.useColors) {
11706 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
11708 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11709 SetMachineThinkingEnables();
11710 first.maybeThinking = TRUE;
11713 if (appData.autoFlipView && flipView) {
11714 flipView = !flipView;
11715 DrawPosition(FALSE, NULL);
11716 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11718 if(bookHit) { // [HGM] book: simulate book reply
11719 static char bookMove[MSG_SIZ]; // a bit generous?
11721 programStats.nodes = programStats.depth = programStats.time =
11722 programStats.score = programStats.got_only_move = 0;
11723 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11725 strcpy(bookMove, "move ");
11726 strcat(bookMove, bookHit);
11727 HandleMachineMove(bookMove, &first);
11733 DisplayTwoMachinesTitle()
11736 if (appData.matchGames > 0) {
11737 if (first.twoMachinesColor[0] == 'w') {
11738 sprintf(buf, "%s vs. %s (%d-%d-%d)",
11739 gameInfo.white, gameInfo.black,
11740 first.matchWins, second.matchWins,
11741 matchGame - 1 - (first.matchWins + second.matchWins));
11743 sprintf(buf, "%s vs. %s (%d-%d-%d)",
11744 gameInfo.white, gameInfo.black,
11745 second.matchWins, first.matchWins,
11746 matchGame - 1 - (first.matchWins + second.matchWins));
11749 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11755 TwoMachinesEvent P((void))
11759 ChessProgramState *onmove;
11760 char *bookHit = NULL;
11762 if (appData.noChessProgram) return;
11764 switch (gameMode) {
11765 case TwoMachinesPlay:
11767 case MachinePlaysWhite:
11768 case MachinePlaysBlack:
11769 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11770 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11774 case BeginningOfGame:
11775 case PlayFromGameFile:
11778 if (gameMode != EditGame) return;
11781 EditPositionDone(TRUE);
11792 // forwardMostMove = currentMove;
11793 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
11794 ResurrectChessProgram(); /* in case first program isn't running */
11796 if (second.pr == NULL) {
11797 StartChessProgram(&second);
11798 if (second.protocolVersion == 1) {
11799 TwoMachinesEventIfReady();
11801 /* kludge: allow timeout for initial "feature" command */
11803 DisplayMessage("", _("Starting second chess program"));
11804 ScheduleDelayedEvent(TwoMachinesEventIfReady, FEATURE_TIMEOUT);
11808 DisplayMessage("", "");
11809 InitChessProgram(&second, FALSE);
11810 SendToProgram("force\n", &second);
11811 if (startedFromSetupPosition) {
11812 SendBoard(&second, backwardMostMove);
11813 if (appData.debugMode) {
11814 fprintf(debugFP, "Two Machines\n");
11817 for (i = backwardMostMove; i < forwardMostMove; i++) {
11818 SendMoveToProgram(i, &second);
11821 gameMode = TwoMachinesPlay;
11825 DisplayTwoMachinesTitle();
11827 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
11833 SendToProgram(first.computerString, &first);
11834 if (first.sendName) {
11835 sprintf(buf, "name %s\n", second.tidy);
11836 SendToProgram(buf, &first);
11838 SendToProgram(second.computerString, &second);
11839 if (second.sendName) {
11840 sprintf(buf, "name %s\n", first.tidy);
11841 SendToProgram(buf, &second);
11845 if (!first.sendTime || !second.sendTime) {
11846 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11847 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11849 if (onmove->sendTime) {
11850 if (onmove->useColors) {
11851 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
11853 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
11855 if (onmove->useColors) {
11856 SendToProgram(onmove->twoMachinesColor, onmove);
11858 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
11859 // SendToProgram("go\n", onmove);
11860 onmove->maybeThinking = TRUE;
11861 SetMachineThinkingEnables();
11865 if(bookHit) { // [HGM] book: simulate book reply
11866 static char bookMove[MSG_SIZ]; // a bit generous?
11868 programStats.nodes = programStats.depth = programStats.time =
11869 programStats.score = programStats.got_only_move = 0;
11870 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11872 strcpy(bookMove, "move ");
11873 strcat(bookMove, bookHit);
11874 savedMessage = bookMove; // args for deferred call
11875 savedState = onmove;
11876 ScheduleDelayedEvent(DeferredBookMove, 1);
11883 if (gameMode == Training) {
11884 SetTrainingModeOff();
11885 gameMode = PlayFromGameFile;
11886 DisplayMessage("", _("Training mode off"));
11888 gameMode = Training;
11889 animateTraining = appData.animate;
11891 /* make sure we are not already at the end of the game */
11892 if (currentMove < forwardMostMove) {
11893 SetTrainingModeOn();
11894 DisplayMessage("", _("Training mode on"));
11896 gameMode = PlayFromGameFile;
11897 DisplayError(_("Already at end of game"), 0);
11906 if (!appData.icsActive) return;
11907 switch (gameMode) {
11908 case IcsPlayingWhite:
11909 case IcsPlayingBlack:
11912 case BeginningOfGame:
11920 EditPositionDone(TRUE);
11933 gameMode = IcsIdle;
11944 switch (gameMode) {
11946 SetTrainingModeOff();
11948 case MachinePlaysWhite:
11949 case MachinePlaysBlack:
11950 case BeginningOfGame:
11951 SendToProgram("force\n", &first);
11952 SetUserThinkingEnables();
11954 case PlayFromGameFile:
11955 (void) StopLoadGameTimer();
11956 if (gameFileFP != NULL) {
11961 EditPositionDone(TRUE);
11966 SendToProgram("force\n", &first);
11968 case TwoMachinesPlay:
11969 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
11970 ResurrectChessProgram();
11971 SetUserThinkingEnables();
11974 ResurrectChessProgram();
11976 case IcsPlayingBlack:
11977 case IcsPlayingWhite:
11978 DisplayError(_("Warning: You are still playing a game"), 0);
11981 DisplayError(_("Warning: You are still observing a game"), 0);
11984 DisplayError(_("Warning: You are still examining a game"), 0);
11995 first.offeredDraw = second.offeredDraw = 0;
11997 if (gameMode == PlayFromGameFile) {
11998 whiteTimeRemaining = timeRemaining[0][currentMove];
11999 blackTimeRemaining = timeRemaining[1][currentMove];
12003 if (gameMode == MachinePlaysWhite ||
12004 gameMode == MachinePlaysBlack ||
12005 gameMode == TwoMachinesPlay ||
12006 gameMode == EndOfGame) {
12007 i = forwardMostMove;
12008 while (i > currentMove) {
12009 SendToProgram("undo\n", &first);
12012 whiteTimeRemaining = timeRemaining[0][currentMove];
12013 blackTimeRemaining = timeRemaining[1][currentMove];
12014 DisplayBothClocks();
12015 if (whiteFlag || blackFlag) {
12016 whiteFlag = blackFlag = 0;
12021 gameMode = EditGame;
12028 EditPositionEvent()
12030 if (gameMode == EditPosition) {
12036 if (gameMode != EditGame) return;
12038 gameMode = EditPosition;
12041 if (currentMove > 0)
12042 CopyBoard(boards[0], boards[currentMove]);
12044 blackPlaysFirst = !WhiteOnMove(currentMove);
12046 currentMove = forwardMostMove = backwardMostMove = 0;
12047 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12054 /* [DM] icsEngineAnalyze - possible call from other functions */
12055 if (appData.icsEngineAnalyze) {
12056 appData.icsEngineAnalyze = FALSE;
12058 DisplayMessage("",_("Close ICS engine analyze..."));
12060 if (first.analysisSupport && first.analyzing) {
12061 SendToProgram("exit\n", &first);
12062 first.analyzing = FALSE;
12064 thinkOutput[0] = NULLCHAR;
12068 EditPositionDone(Boolean fakeRights)
12070 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
12072 startedFromSetupPosition = TRUE;
12073 InitChessProgram(&first, FALSE);
12074 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
12075 boards[0][EP_STATUS] = EP_NONE;
12076 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
12077 if(boards[0][0][BOARD_WIDTH>>1] == king) {
12078 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
12079 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
12080 } else boards[0][CASTLING][2] = NoRights;
12081 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
12082 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
12083 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
12084 } else boards[0][CASTLING][5] = NoRights;
12086 SendToProgram("force\n", &first);
12087 if (blackPlaysFirst) {
12088 strcpy(moveList[0], "");
12089 strcpy(parseList[0], "");
12090 currentMove = forwardMostMove = backwardMostMove = 1;
12091 CopyBoard(boards[1], boards[0]);
12093 currentMove = forwardMostMove = backwardMostMove = 0;
12095 SendBoard(&first, forwardMostMove);
12096 if (appData.debugMode) {
12097 fprintf(debugFP, "EditPosDone\n");
12100 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12101 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12102 gameMode = EditGame;
12104 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12105 ClearHighlights(); /* [AS] */
12108 /* Pause for `ms' milliseconds */
12109 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12119 } while (SubtractTimeMarks(&m2, &m1) < ms);
12122 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12124 SendMultiLineToICS(buf)
12127 char temp[MSG_SIZ+1], *p;
12134 strncpy(temp, buf, len);
12139 if (*p == '\n' || *p == '\r')
12144 strcat(temp, "\n");
12146 SendToPlayer(temp, strlen(temp));
12150 SetWhiteToPlayEvent()
12152 if (gameMode == EditPosition) {
12153 blackPlaysFirst = FALSE;
12154 DisplayBothClocks(); /* works because currentMove is 0 */
12155 } else if (gameMode == IcsExamining) {
12156 SendToICS(ics_prefix);
12157 SendToICS("tomove white\n");
12162 SetBlackToPlayEvent()
12164 if (gameMode == EditPosition) {
12165 blackPlaysFirst = TRUE;
12166 currentMove = 1; /* kludge */
12167 DisplayBothClocks();
12169 } else if (gameMode == IcsExamining) {
12170 SendToICS(ics_prefix);
12171 SendToICS("tomove black\n");
12176 EditPositionMenuEvent(selection, x, y)
12177 ChessSquare selection;
12181 ChessSquare piece = boards[0][y][x];
12183 if (gameMode != EditPosition && gameMode != IcsExamining) return;
12185 switch (selection) {
12187 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
12188 SendToICS(ics_prefix);
12189 SendToICS("bsetup clear\n");
12190 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
12191 SendToICS(ics_prefix);
12192 SendToICS("clearboard\n");
12194 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
12195 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
12196 for (y = 0; y < BOARD_HEIGHT; y++) {
12197 if (gameMode == IcsExamining) {
12198 if (boards[currentMove][y][x] != EmptySquare) {
12199 sprintf(buf, "%sx@%c%c\n", ics_prefix,
12204 boards[0][y][x] = p;
12209 if (gameMode == EditPosition) {
12210 DrawPosition(FALSE, boards[0]);
12215 SetWhiteToPlayEvent();
12219 SetBlackToPlayEvent();
12223 if (gameMode == IcsExamining) {
12224 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12225 sprintf(buf, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
12228 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12229 if(x == BOARD_LEFT-2) {
12230 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
12231 boards[0][y][1] = 0;
12233 if(x == BOARD_RGHT+1) {
12234 if(y >= gameInfo.holdingsSize) break;
12235 boards[0][y][BOARD_WIDTH-2] = 0;
12238 boards[0][y][x] = EmptySquare;
12239 DrawPosition(FALSE, boards[0]);
12244 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
12245 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
12246 selection = (ChessSquare) (PROMOTED piece);
12247 } else if(piece == EmptySquare) selection = WhiteSilver;
12248 else selection = (ChessSquare)((int)piece - 1);
12252 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
12253 piece > (int)BlackMan && piece <= (int)BlackKing ) {
12254 selection = (ChessSquare) (DEMOTED piece);
12255 } else if(piece == EmptySquare) selection = BlackSilver;
12256 else selection = (ChessSquare)((int)piece + 1);
12261 if(gameInfo.variant == VariantShatranj ||
12262 gameInfo.variant == VariantXiangqi ||
12263 gameInfo.variant == VariantCourier ||
12264 gameInfo.variant == VariantMakruk )
12265 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
12270 if(gameInfo.variant == VariantXiangqi)
12271 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
12272 if(gameInfo.variant == VariantKnightmate)
12273 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
12276 if (gameMode == IcsExamining) {
12277 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12278 sprintf(buf, "%s%c@%c%c\n", ics_prefix,
12279 PieceToChar(selection), AAA + x, ONE + y);
12282 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12284 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
12285 n = PieceToNumber(selection - BlackPawn);
12286 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
12287 boards[0][BOARD_HEIGHT-1-n][0] = selection;
12288 boards[0][BOARD_HEIGHT-1-n][1]++;
12290 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
12291 n = PieceToNumber(selection);
12292 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
12293 boards[0][n][BOARD_WIDTH-1] = selection;
12294 boards[0][n][BOARD_WIDTH-2]++;
12297 boards[0][y][x] = selection;
12298 DrawPosition(TRUE, boards[0]);
12306 DropMenuEvent(selection, x, y)
12307 ChessSquare selection;
12310 ChessMove moveType;
12312 switch (gameMode) {
12313 case IcsPlayingWhite:
12314 case MachinePlaysBlack:
12315 if (!WhiteOnMove(currentMove)) {
12316 DisplayMoveError(_("It is Black's turn"));
12319 moveType = WhiteDrop;
12321 case IcsPlayingBlack:
12322 case MachinePlaysWhite:
12323 if (WhiteOnMove(currentMove)) {
12324 DisplayMoveError(_("It is White's turn"));
12327 moveType = BlackDrop;
12330 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
12336 if (moveType == BlackDrop && selection < BlackPawn) {
12337 selection = (ChessSquare) ((int) selection
12338 + (int) BlackPawn - (int) WhitePawn);
12340 if (boards[currentMove][y][x] != EmptySquare) {
12341 DisplayMoveError(_("That square is occupied"));
12345 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
12351 /* Accept a pending offer of any kind from opponent */
12353 if (appData.icsActive) {
12354 SendToICS(ics_prefix);
12355 SendToICS("accept\n");
12356 } else if (cmailMsgLoaded) {
12357 if (currentMove == cmailOldMove &&
12358 commentList[cmailOldMove] != NULL &&
12359 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12360 "Black offers a draw" : "White offers a draw")) {
12362 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12363 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12365 DisplayError(_("There is no pending offer on this move"), 0);
12366 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12369 /* Not used for offers from chess program */
12376 /* Decline a pending offer of any kind from opponent */
12378 if (appData.icsActive) {
12379 SendToICS(ics_prefix);
12380 SendToICS("decline\n");
12381 } else if (cmailMsgLoaded) {
12382 if (currentMove == cmailOldMove &&
12383 commentList[cmailOldMove] != NULL &&
12384 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12385 "Black offers a draw" : "White offers a draw")) {
12387 AppendComment(cmailOldMove, "Draw declined", TRUE);
12388 DisplayComment(cmailOldMove - 1, "Draw declined");
12391 DisplayError(_("There is no pending offer on this move"), 0);
12394 /* Not used for offers from chess program */
12401 /* Issue ICS rematch command */
12402 if (appData.icsActive) {
12403 SendToICS(ics_prefix);
12404 SendToICS("rematch\n");
12411 /* Call your opponent's flag (claim a win on time) */
12412 if (appData.icsActive) {
12413 SendToICS(ics_prefix);
12414 SendToICS("flag\n");
12416 switch (gameMode) {
12419 case MachinePlaysWhite:
12422 GameEnds(GameIsDrawn, "Both players ran out of time",
12425 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
12427 DisplayError(_("Your opponent is not out of time"), 0);
12430 case MachinePlaysBlack:
12433 GameEnds(GameIsDrawn, "Both players ran out of time",
12436 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
12438 DisplayError(_("Your opponent is not out of time"), 0);
12448 /* Offer draw or accept pending draw offer from opponent */
12450 if (appData.icsActive) {
12451 /* Note: tournament rules require draw offers to be
12452 made after you make your move but before you punch
12453 your clock. Currently ICS doesn't let you do that;
12454 instead, you immediately punch your clock after making
12455 a move, but you can offer a draw at any time. */
12457 SendToICS(ics_prefix);
12458 SendToICS("draw\n");
12459 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
12460 } else if (cmailMsgLoaded) {
12461 if (currentMove == cmailOldMove &&
12462 commentList[cmailOldMove] != NULL &&
12463 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12464 "Black offers a draw" : "White offers a draw")) {
12465 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12466 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12467 } else if (currentMove == cmailOldMove + 1) {
12468 char *offer = WhiteOnMove(cmailOldMove) ?
12469 "White offers a draw" : "Black offers a draw";
12470 AppendComment(currentMove, offer, TRUE);
12471 DisplayComment(currentMove - 1, offer);
12472 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
12474 DisplayError(_("You must make your move before offering a draw"), 0);
12475 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12477 } else if (first.offeredDraw) {
12478 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
12480 if (first.sendDrawOffers) {
12481 SendToProgram("draw\n", &first);
12482 userOfferedDraw = TRUE;
12490 /* Offer Adjourn or accept pending Adjourn offer from opponent */
12492 if (appData.icsActive) {
12493 SendToICS(ics_prefix);
12494 SendToICS("adjourn\n");
12496 /* Currently GNU Chess doesn't offer or accept Adjourns */
12504 /* Offer Abort or accept pending Abort offer from opponent */
12506 if (appData.icsActive) {
12507 SendToICS(ics_prefix);
12508 SendToICS("abort\n");
12510 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
12517 /* Resign. You can do this even if it's not your turn. */
12519 if (appData.icsActive) {
12520 SendToICS(ics_prefix);
12521 SendToICS("resign\n");
12523 switch (gameMode) {
12524 case MachinePlaysWhite:
12525 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12527 case MachinePlaysBlack:
12528 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12531 if (cmailMsgLoaded) {
12533 if (WhiteOnMove(cmailOldMove)) {
12534 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12536 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12538 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
12549 StopObservingEvent()
12551 /* Stop observing current games */
12552 SendToICS(ics_prefix);
12553 SendToICS("unobserve\n");
12557 StopExaminingEvent()
12559 /* Stop observing current game */
12560 SendToICS(ics_prefix);
12561 SendToICS("unexamine\n");
12565 ForwardInner(target)
12570 if (appData.debugMode)
12571 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
12572 target, currentMove, forwardMostMove);
12574 if (gameMode == EditPosition)
12577 if (gameMode == PlayFromGameFile && !pausing)
12580 if (gameMode == IcsExamining && pausing)
12581 limit = pauseExamForwardMostMove;
12583 limit = forwardMostMove;
12585 if (target > limit) target = limit;
12587 if (target > 0 && moveList[target - 1][0]) {
12588 int fromX, fromY, toX, toY;
12589 toX = moveList[target - 1][2] - AAA;
12590 toY = moveList[target - 1][3] - ONE;
12591 if (moveList[target - 1][1] == '@') {
12592 if (appData.highlightLastMove) {
12593 SetHighlights(-1, -1, toX, toY);
12596 fromX = moveList[target - 1][0] - AAA;
12597 fromY = moveList[target - 1][1] - ONE;
12598 if (target == currentMove + 1) {
12599 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12601 if (appData.highlightLastMove) {
12602 SetHighlights(fromX, fromY, toX, toY);
12606 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12607 gameMode == Training || gameMode == PlayFromGameFile ||
12608 gameMode == AnalyzeFile) {
12609 while (currentMove < target) {
12610 SendMoveToProgram(currentMove++, &first);
12613 currentMove = target;
12616 if (gameMode == EditGame || gameMode == EndOfGame) {
12617 whiteTimeRemaining = timeRemaining[0][currentMove];
12618 blackTimeRemaining = timeRemaining[1][currentMove];
12620 DisplayBothClocks();
12621 DisplayMove(currentMove - 1);
12622 DrawPosition(FALSE, boards[currentMove]);
12623 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12624 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
12625 DisplayComment(currentMove - 1, commentList[currentMove]);
12633 if (gameMode == IcsExamining && !pausing) {
12634 SendToICS(ics_prefix);
12635 SendToICS("forward\n");
12637 ForwardInner(currentMove + 1);
12644 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12645 /* to optimze, we temporarily turn off analysis mode while we feed
12646 * the remaining moves to the engine. Otherwise we get analysis output
12649 if (first.analysisSupport) {
12650 SendToProgram("exit\nforce\n", &first);
12651 first.analyzing = FALSE;
12655 if (gameMode == IcsExamining && !pausing) {
12656 SendToICS(ics_prefix);
12657 SendToICS("forward 999999\n");
12659 ForwardInner(forwardMostMove);
12662 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12663 /* we have fed all the moves, so reactivate analysis mode */
12664 SendToProgram("analyze\n", &first);
12665 first.analyzing = TRUE;
12666 /*first.maybeThinking = TRUE;*/
12667 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12672 BackwardInner(target)
12675 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
12677 if (appData.debugMode)
12678 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
12679 target, currentMove, forwardMostMove);
12681 if (gameMode == EditPosition) return;
12682 if (currentMove <= backwardMostMove) {
12684 DrawPosition(full_redraw, boards[currentMove]);
12687 if (gameMode == PlayFromGameFile && !pausing)
12690 if (moveList[target][0]) {
12691 int fromX, fromY, toX, toY;
12692 toX = moveList[target][2] - AAA;
12693 toY = moveList[target][3] - ONE;
12694 if (moveList[target][1] == '@') {
12695 if (appData.highlightLastMove) {
12696 SetHighlights(-1, -1, toX, toY);
12699 fromX = moveList[target][0] - AAA;
12700 fromY = moveList[target][1] - ONE;
12701 if (target == currentMove - 1) {
12702 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
12704 if (appData.highlightLastMove) {
12705 SetHighlights(fromX, fromY, toX, toY);
12709 if (gameMode == EditGame || gameMode==AnalyzeMode ||
12710 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
12711 while (currentMove > target) {
12712 SendToProgram("undo\n", &first);
12716 currentMove = target;
12719 if (gameMode == EditGame || gameMode == EndOfGame) {
12720 whiteTimeRemaining = timeRemaining[0][currentMove];
12721 blackTimeRemaining = timeRemaining[1][currentMove];
12723 DisplayBothClocks();
12724 DisplayMove(currentMove - 1);
12725 DrawPosition(full_redraw, boards[currentMove]);
12726 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12727 // [HGM] PV info: routine tests if comment empty
12728 DisplayComment(currentMove - 1, commentList[currentMove]);
12734 if (gameMode == IcsExamining && !pausing) {
12735 SendToICS(ics_prefix);
12736 SendToICS("backward\n");
12738 BackwardInner(currentMove - 1);
12745 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12746 /* to optimize, we temporarily turn off analysis mode while we undo
12747 * all the moves. Otherwise we get analysis output after each undo.
12749 if (first.analysisSupport) {
12750 SendToProgram("exit\nforce\n", &first);
12751 first.analyzing = FALSE;
12755 if (gameMode == IcsExamining && !pausing) {
12756 SendToICS(ics_prefix);
12757 SendToICS("backward 999999\n");
12759 BackwardInner(backwardMostMove);
12762 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12763 /* we have fed all the moves, so reactivate analysis mode */
12764 SendToProgram("analyze\n", &first);
12765 first.analyzing = TRUE;
12766 /*first.maybeThinking = TRUE;*/
12767 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12774 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
12775 if (to >= forwardMostMove) to = forwardMostMove;
12776 if (to <= backwardMostMove) to = backwardMostMove;
12777 if (to < currentMove) {
12785 RevertEvent(Boolean annotate)
12787 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
12790 if (gameMode != IcsExamining) {
12791 DisplayError(_("You are not examining a game"), 0);
12795 DisplayError(_("You can't revert while pausing"), 0);
12798 SendToICS(ics_prefix);
12799 SendToICS("revert\n");
12805 switch (gameMode) {
12806 case MachinePlaysWhite:
12807 case MachinePlaysBlack:
12808 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12809 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12812 if (forwardMostMove < 2) return;
12813 currentMove = forwardMostMove = forwardMostMove - 2;
12814 whiteTimeRemaining = timeRemaining[0][currentMove];
12815 blackTimeRemaining = timeRemaining[1][currentMove];
12816 DisplayBothClocks();
12817 DisplayMove(currentMove - 1);
12818 ClearHighlights();/*!! could figure this out*/
12819 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
12820 SendToProgram("remove\n", &first);
12821 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
12824 case BeginningOfGame:
12828 case IcsPlayingWhite:
12829 case IcsPlayingBlack:
12830 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
12831 SendToICS(ics_prefix);
12832 SendToICS("takeback 2\n");
12834 SendToICS(ics_prefix);
12835 SendToICS("takeback 1\n");
12844 ChessProgramState *cps;
12846 switch (gameMode) {
12847 case MachinePlaysWhite:
12848 if (!WhiteOnMove(forwardMostMove)) {
12849 DisplayError(_("It is your turn"), 0);
12854 case MachinePlaysBlack:
12855 if (WhiteOnMove(forwardMostMove)) {
12856 DisplayError(_("It is your turn"), 0);
12861 case TwoMachinesPlay:
12862 if (WhiteOnMove(forwardMostMove) ==
12863 (first.twoMachinesColor[0] == 'w')) {
12869 case BeginningOfGame:
12873 SendToProgram("?\n", cps);
12877 TruncateGameEvent()
12880 if (gameMode != EditGame) return;
12887 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
12888 if (forwardMostMove > currentMove) {
12889 if (gameInfo.resultDetails != NULL) {
12890 free(gameInfo.resultDetails);
12891 gameInfo.resultDetails = NULL;
12892 gameInfo.result = GameUnfinished;
12894 forwardMostMove = currentMove;
12895 HistorySet(parseList, backwardMostMove, forwardMostMove,
12903 if (appData.noChessProgram) return;
12904 switch (gameMode) {
12905 case MachinePlaysWhite:
12906 if (WhiteOnMove(forwardMostMove)) {
12907 DisplayError(_("Wait until your turn"), 0);
12911 case BeginningOfGame:
12912 case MachinePlaysBlack:
12913 if (!WhiteOnMove(forwardMostMove)) {
12914 DisplayError(_("Wait until your turn"), 0);
12919 DisplayError(_("No hint available"), 0);
12922 SendToProgram("hint\n", &first);
12923 hintRequested = TRUE;
12929 if (appData.noChessProgram) return;
12930 switch (gameMode) {
12931 case MachinePlaysWhite:
12932 if (WhiteOnMove(forwardMostMove)) {
12933 DisplayError(_("Wait until your turn"), 0);
12937 case BeginningOfGame:
12938 case MachinePlaysBlack:
12939 if (!WhiteOnMove(forwardMostMove)) {
12940 DisplayError(_("Wait until your turn"), 0);
12945 EditPositionDone(TRUE);
12947 case TwoMachinesPlay:
12952 SendToProgram("bk\n", &first);
12953 bookOutput[0] = NULLCHAR;
12954 bookRequested = TRUE;
12960 char *tags = PGNTags(&gameInfo);
12961 TagsPopUp(tags, CmailMsg());
12965 /* end button procedures */
12968 PrintPosition(fp, move)
12974 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12975 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
12976 char c = PieceToChar(boards[move][i][j]);
12977 fputc(c == 'x' ? '.' : c, fp);
12978 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
12981 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
12982 fprintf(fp, "white to play\n");
12984 fprintf(fp, "black to play\n");
12991 if (gameInfo.white != NULL) {
12992 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
12998 /* Find last component of program's own name, using some heuristics */
13000 TidyProgramName(prog, host, buf)
13001 char *prog, *host, buf[MSG_SIZ];
13004 int local = (strcmp(host, "localhost") == 0);
13005 while (!local && (p = strchr(prog, ';')) != NULL) {
13007 while (*p == ' ') p++;
13010 if (*prog == '"' || *prog == '\'') {
13011 q = strchr(prog + 1, *prog);
13013 q = strchr(prog, ' ');
13015 if (q == NULL) q = prog + strlen(prog);
13017 while (p >= prog && *p != '/' && *p != '\\') p--;
13019 if(p == prog && *p == '"') p++;
13020 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
13021 memcpy(buf, p, q - p);
13022 buf[q - p] = NULLCHAR;
13030 TimeControlTagValue()
13033 if (!appData.clockMode) {
13035 } else if (movesPerSession > 0) {
13036 sprintf(buf, "%d/%ld", movesPerSession, timeControl/1000);
13037 } else if (timeIncrement == 0) {
13038 sprintf(buf, "%ld", timeControl/1000);
13040 sprintf(buf, "%ld+%ld", timeControl/1000, timeIncrement/1000);
13042 return StrSave(buf);
13048 /* This routine is used only for certain modes */
13049 VariantClass v = gameInfo.variant;
13050 ChessMove r = GameUnfinished;
13053 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
13054 r = gameInfo.result;
13055 p = gameInfo.resultDetails;
13056 gameInfo.resultDetails = NULL;
13058 ClearGameInfo(&gameInfo);
13059 gameInfo.variant = v;
13061 switch (gameMode) {
13062 case MachinePlaysWhite:
13063 gameInfo.event = StrSave( appData.pgnEventHeader );
13064 gameInfo.site = StrSave(HostName());
13065 gameInfo.date = PGNDate();
13066 gameInfo.round = StrSave("-");
13067 gameInfo.white = StrSave(first.tidy);
13068 gameInfo.black = StrSave(UserName());
13069 gameInfo.timeControl = TimeControlTagValue();
13072 case MachinePlaysBlack:
13073 gameInfo.event = StrSave( appData.pgnEventHeader );
13074 gameInfo.site = StrSave(HostName());
13075 gameInfo.date = PGNDate();
13076 gameInfo.round = StrSave("-");
13077 gameInfo.white = StrSave(UserName());
13078 gameInfo.black = StrSave(first.tidy);
13079 gameInfo.timeControl = TimeControlTagValue();
13082 case TwoMachinesPlay:
13083 gameInfo.event = StrSave( appData.pgnEventHeader );
13084 gameInfo.site = StrSave(HostName());
13085 gameInfo.date = PGNDate();
13086 if (matchGame > 0) {
13088 sprintf(buf, "%d", matchGame);
13089 gameInfo.round = StrSave(buf);
13091 gameInfo.round = StrSave("-");
13093 if (first.twoMachinesColor[0] == 'w') {
13094 gameInfo.white = StrSave(first.tidy);
13095 gameInfo.black = StrSave(second.tidy);
13097 gameInfo.white = StrSave(second.tidy);
13098 gameInfo.black = StrSave(first.tidy);
13100 gameInfo.timeControl = TimeControlTagValue();
13104 gameInfo.event = StrSave("Edited game");
13105 gameInfo.site = StrSave(HostName());
13106 gameInfo.date = PGNDate();
13107 gameInfo.round = StrSave("-");
13108 gameInfo.white = StrSave("-");
13109 gameInfo.black = StrSave("-");
13110 gameInfo.result = r;
13111 gameInfo.resultDetails = p;
13115 gameInfo.event = StrSave("Edited position");
13116 gameInfo.site = StrSave(HostName());
13117 gameInfo.date = PGNDate();
13118 gameInfo.round = StrSave("-");
13119 gameInfo.white = StrSave("-");
13120 gameInfo.black = StrSave("-");
13123 case IcsPlayingWhite:
13124 case IcsPlayingBlack:
13129 case PlayFromGameFile:
13130 gameInfo.event = StrSave("Game from non-PGN file");
13131 gameInfo.site = StrSave(HostName());
13132 gameInfo.date = PGNDate();
13133 gameInfo.round = StrSave("-");
13134 gameInfo.white = StrSave("?");
13135 gameInfo.black = StrSave("?");
13144 ReplaceComment(index, text)
13150 while (*text == '\n') text++;
13151 len = strlen(text);
13152 while (len > 0 && text[len - 1] == '\n') len--;
13154 if (commentList[index] != NULL)
13155 free(commentList[index]);
13158 commentList[index] = NULL;
13161 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
13162 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
13163 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
13164 commentList[index] = (char *) malloc(len + 2);
13165 strncpy(commentList[index], text, len);
13166 commentList[index][len] = '\n';
13167 commentList[index][len + 1] = NULLCHAR;
13169 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
13171 commentList[index] = (char *) malloc(len + 6);
13172 strcpy(commentList[index], "{\n");
13173 strncpy(commentList[index]+2, text, len);
13174 commentList[index][len+2] = NULLCHAR;
13175 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
13176 strcat(commentList[index], "\n}\n");
13190 if (ch == '\r') continue;
13192 } while (ch != '\0');
13196 AppendComment(index, text, addBraces)
13199 Boolean addBraces; // [HGM] braces: tells if we should add {}
13204 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
13205 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
13208 while (*text == '\n') text++;
13209 len = strlen(text);
13210 while (len > 0 && text[len - 1] == '\n') len--;
13212 if (len == 0) return;
13214 if (commentList[index] != NULL) {
13215 old = commentList[index];
13216 oldlen = strlen(old);
13217 while(commentList[index][oldlen-1] == '\n')
13218 commentList[index][--oldlen] = NULLCHAR;
13219 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
13220 strcpy(commentList[index], old);
13222 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
13223 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces)) {
13224 if(addBraces) addBraces = FALSE; else { text++; len--; }
13225 while (*text == '\n') { text++; len--; }
13226 commentList[index][--oldlen] = NULLCHAR;
13228 if(addBraces) strcat(commentList[index], "\n{\n");
13229 else strcat(commentList[index], "\n");
13230 strcat(commentList[index], text);
13231 if(addBraces) strcat(commentList[index], "\n}\n");
13232 else strcat(commentList[index], "\n");
13234 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
13236 strcpy(commentList[index], "{\n");
13237 else commentList[index][0] = NULLCHAR;
13238 strcat(commentList[index], text);
13239 strcat(commentList[index], "\n");
13240 if(addBraces) strcat(commentList[index], "}\n");
13244 static char * FindStr( char * text, char * sub_text )
13246 char * result = strstr( text, sub_text );
13248 if( result != NULL ) {
13249 result += strlen( sub_text );
13255 /* [AS] Try to extract PV info from PGN comment */
13256 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
13257 char *GetInfoFromComment( int index, char * text )
13261 if( text != NULL && index > 0 ) {
13264 int time = -1, sec = 0, deci;
13265 char * s_eval = FindStr( text, "[%eval " );
13266 char * s_emt = FindStr( text, "[%emt " );
13268 if( s_eval != NULL || s_emt != NULL ) {
13272 if( s_eval != NULL ) {
13273 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
13277 if( delim != ']' ) {
13282 if( s_emt != NULL ) {
13287 /* We expect something like: [+|-]nnn.nn/dd */
13290 if(*text != '{') return text; // [HGM] braces: must be normal comment
13292 sep = strchr( text, '/' );
13293 if( sep == NULL || sep < (text+4) ) {
13297 time = -1; sec = -1; deci = -1;
13298 if( sscanf( text+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
13299 sscanf( text+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
13300 sscanf( text+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
13301 sscanf( text+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
13305 if( score_lo < 0 || score_lo >= 100 ) {
13309 if(sec >= 0) time = 600*time + 10*sec; else
13310 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
13312 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
13314 /* [HGM] PV time: now locate end of PV info */
13315 while( *++sep >= '0' && *sep <= '9'); // strip depth
13317 while( *++sep >= '0' && *sep <= '9'); // strip time
13319 while( *++sep >= '0' && *sep <= '9'); // strip seconds
13321 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
13322 while(*sep == ' ') sep++;
13333 pvInfoList[index-1].depth = depth;
13334 pvInfoList[index-1].score = score;
13335 pvInfoList[index-1].time = 10*time; // centi-sec
13336 if(*sep == '}') *sep = 0; else *--sep = '{';
13342 SendToProgram(message, cps)
13344 ChessProgramState *cps;
13346 int count, outCount, error;
13349 if (cps->pr == NULL) return;
13352 if (appData.debugMode) {
13355 fprintf(debugFP, "%ld >%-6s: %s",
13356 SubtractTimeMarks(&now, &programStartTime),
13357 cps->which, message);
13360 count = strlen(message);
13361 outCount = OutputToProcess(cps->pr, message, count, &error);
13362 if (outCount < count && !exiting
13363 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
13364 sprintf(buf, _("Error writing to %s chess program"), cps->which);
13365 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13366 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13367 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13368 sprintf(buf, "%s program exits in draw position (%s)", cps->which, cps->program);
13370 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13372 gameInfo.resultDetails = StrSave(buf);
13374 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13379 ReceiveFromProgram(isr, closure, message, count, error)
13380 InputSourceRef isr;
13388 ChessProgramState *cps = (ChessProgramState *)closure;
13390 if (isr != cps->isr) return; /* Killed intentionally */
13394 _("Error: %s chess program (%s) exited unexpectedly"),
13395 cps->which, cps->program);
13396 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13397 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13398 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13399 sprintf(buf, _("%s program exits in draw position (%s)"), cps->which, cps->program);
13401 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13403 gameInfo.resultDetails = StrSave(buf);
13405 RemoveInputSource(cps->isr);
13406 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
13409 _("Error reading from %s chess program (%s)"),
13410 cps->which, cps->program);
13411 RemoveInputSource(cps->isr);
13413 /* [AS] Program is misbehaving badly... kill it */
13414 if( count == -2 ) {
13415 DestroyChildProcess( cps->pr, 9 );
13419 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13424 if ((end_str = strchr(message, '\r')) != NULL)
13425 *end_str = NULLCHAR;
13426 if ((end_str = strchr(message, '\n')) != NULL)
13427 *end_str = NULLCHAR;
13429 if (appData.debugMode) {
13430 TimeMark now; int print = 1;
13431 char *quote = ""; char c; int i;
13433 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
13434 char start = message[0];
13435 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
13436 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
13437 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
13438 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
13439 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
13440 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
13441 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
13442 sscanf(message, "pong %c", &c)!=1 && start != '#') {
13443 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
13444 print = (appData.engineComments >= 2);
13446 message[0] = start; // restore original message
13450 fprintf(debugFP, "%ld <%-6s: %s%s\n",
13451 SubtractTimeMarks(&now, &programStartTime), cps->which,
13457 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
13458 if (appData.icsEngineAnalyze) {
13459 if (strstr(message, "whisper") != NULL ||
13460 strstr(message, "kibitz") != NULL ||
13461 strstr(message, "tellics") != NULL) return;
13464 HandleMachineMove(message, cps);
13469 SendTimeControl(cps, mps, tc, inc, sd, st)
13470 ChessProgramState *cps;
13471 int mps, inc, sd, st;
13477 if( timeControl_2 > 0 ) {
13478 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
13479 tc = timeControl_2;
13482 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
13483 inc /= cps->timeOdds;
13484 st /= cps->timeOdds;
13486 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
13489 /* Set exact time per move, normally using st command */
13490 if (cps->stKludge) {
13491 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
13493 if (seconds == 0) {
13494 sprintf(buf, "level 1 %d\n", st/60);
13496 sprintf(buf, "level 1 %d:%02d\n", st/60, seconds);
13499 sprintf(buf, "st %d\n", st);
13502 /* Set conventional or incremental time control, using level command */
13503 if (seconds == 0) {
13504 /* Note old gnuchess bug -- minutes:seconds used to not work.
13505 Fixed in later versions, but still avoid :seconds
13506 when seconds is 0. */
13507 sprintf(buf, "level %d %ld %d\n", mps, tc/60000, inc/1000);
13509 sprintf(buf, "level %d %ld:%02d %d\n", mps, tc/60000,
13510 seconds, inc/1000);
13513 SendToProgram(buf, cps);
13515 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
13516 /* Orthogonally, limit search to given depth */
13518 if (cps->sdKludge) {
13519 sprintf(buf, "depth\n%d\n", sd);
13521 sprintf(buf, "sd %d\n", sd);
13523 SendToProgram(buf, cps);
13526 if(cps->nps > 0) { /* [HGM] nps */
13527 if(cps->supportsNPS == FALSE) cps->nps = -1; // don't use if engine explicitly says not supported!
13529 sprintf(buf, "nps %d\n", cps->nps);
13530 SendToProgram(buf, cps);
13535 ChessProgramState *WhitePlayer()
13536 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
13538 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
13539 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
13545 SendTimeRemaining(cps, machineWhite)
13546 ChessProgramState *cps;
13547 int /*boolean*/ machineWhite;
13549 char message[MSG_SIZ];
13552 /* Note: this routine must be called when the clocks are stopped
13553 or when they have *just* been set or switched; otherwise
13554 it will be off by the time since the current tick started.
13556 if (machineWhite) {
13557 time = whiteTimeRemaining / 10;
13558 otime = blackTimeRemaining / 10;
13560 time = blackTimeRemaining / 10;
13561 otime = whiteTimeRemaining / 10;
13563 /* [HGM] translate opponent's time by time-odds factor */
13564 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
13565 if (appData.debugMode) {
13566 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
13569 if (time <= 0) time = 1;
13570 if (otime <= 0) otime = 1;
13572 sprintf(message, "time %ld\n", time);
13573 SendToProgram(message, cps);
13575 sprintf(message, "otim %ld\n", otime);
13576 SendToProgram(message, cps);
13580 BoolFeature(p, name, loc, cps)
13584 ChessProgramState *cps;
13587 int len = strlen(name);
13589 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13591 sscanf(*p, "%d", &val);
13593 while (**p && **p != ' ') (*p)++;
13594 sprintf(buf, "accepted %s\n", name);
13595 SendToProgram(buf, cps);
13602 IntFeature(p, name, loc, cps)
13606 ChessProgramState *cps;
13609 int len = strlen(name);
13610 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13612 sscanf(*p, "%d", loc);
13613 while (**p && **p != ' ') (*p)++;
13614 sprintf(buf, "accepted %s\n", name);
13615 SendToProgram(buf, cps);
13622 StringFeature(p, name, loc, cps)
13626 ChessProgramState *cps;
13629 int len = strlen(name);
13630 if (strncmp((*p), name, len) == 0
13631 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
13633 sscanf(*p, "%[^\"]", loc);
13634 while (**p && **p != '\"') (*p)++;
13635 if (**p == '\"') (*p)++;
13636 sprintf(buf, "accepted %s\n", name);
13637 SendToProgram(buf, cps);
13644 ParseOption(Option *opt, ChessProgramState *cps)
13645 // [HGM] options: process the string that defines an engine option, and determine
13646 // name, type, default value, and allowed value range
13648 char *p, *q, buf[MSG_SIZ];
13649 int n, min = (-1)<<31, max = 1<<31, def;
13651 if(p = strstr(opt->name, " -spin ")) {
13652 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13653 if(max < min) max = min; // enforce consistency
13654 if(def < min) def = min;
13655 if(def > max) def = max;
13660 } else if((p = strstr(opt->name, " -slider "))) {
13661 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
13662 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13663 if(max < min) max = min; // enforce consistency
13664 if(def < min) def = min;
13665 if(def > max) def = max;
13669 opt->type = Spin; // Slider;
13670 } else if((p = strstr(opt->name, " -string "))) {
13671 opt->textValue = p+9;
13672 opt->type = TextBox;
13673 } else if((p = strstr(opt->name, " -file "))) {
13674 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13675 opt->textValue = p+7;
13676 opt->type = TextBox; // FileName;
13677 } else if((p = strstr(opt->name, " -path "))) {
13678 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13679 opt->textValue = p+7;
13680 opt->type = TextBox; // PathName;
13681 } else if(p = strstr(opt->name, " -check ")) {
13682 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
13683 opt->value = (def != 0);
13684 opt->type = CheckBox;
13685 } else if(p = strstr(opt->name, " -combo ")) {
13686 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
13687 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
13688 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
13689 opt->value = n = 0;
13690 while(q = StrStr(q, " /// ")) {
13691 n++; *q = 0; // count choices, and null-terminate each of them
13693 if(*q == '*') { // remember default, which is marked with * prefix
13697 cps->comboList[cps->comboCnt++] = q;
13699 cps->comboList[cps->comboCnt++] = NULL;
13701 opt->type = ComboBox;
13702 } else if(p = strstr(opt->name, " -button")) {
13703 opt->type = Button;
13704 } else if(p = strstr(opt->name, " -save")) {
13705 opt->type = SaveButton;
13706 } else return FALSE;
13707 *p = 0; // terminate option name
13708 // now look if the command-line options define a setting for this engine option.
13709 if(cps->optionSettings && cps->optionSettings[0])
13710 p = strstr(cps->optionSettings, opt->name); else p = NULL;
13711 if(p && (p == cps->optionSettings || p[-1] == ',')) {
13712 sprintf(buf, "option %s", p);
13713 if(p = strstr(buf, ",")) *p = 0;
13715 SendToProgram(buf, cps);
13721 FeatureDone(cps, val)
13722 ChessProgramState* cps;
13725 DelayedEventCallback cb = GetDelayedEvent();
13726 if ((cb == InitBackEnd3 && cps == &first) ||
13727 (cb == TwoMachinesEventIfReady && cps == &second)) {
13728 CancelDelayedEvent();
13729 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
13731 cps->initDone = val;
13734 /* Parse feature command from engine */
13736 ParseFeatures(args, cps)
13738 ChessProgramState *cps;
13746 while (*p == ' ') p++;
13747 if (*p == NULLCHAR) return;
13749 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
13750 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
13751 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
13752 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
13753 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
13754 if (BoolFeature(&p, "reuse", &val, cps)) {
13755 /* Engine can disable reuse, but can't enable it if user said no */
13756 if (!val) cps->reuse = FALSE;
13759 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
13760 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
13761 if (gameMode == TwoMachinesPlay) {
13762 DisplayTwoMachinesTitle();
13768 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
13769 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
13770 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
13771 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
13772 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
13773 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
13774 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
13775 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
13776 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
13777 if (IntFeature(&p, "done", &val, cps)) {
13778 FeatureDone(cps, val);
13781 /* Added by Tord: */
13782 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
13783 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
13784 /* End of additions by Tord */
13786 /* [HGM] added features: */
13787 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
13788 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
13789 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
13790 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
13791 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13792 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
13793 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
13794 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
13795 sprintf(buf, "rejected option %s\n", cps->option[--cps->nrOptions].name);
13796 SendToProgram(buf, cps);
13799 if(cps->nrOptions >= MAX_OPTIONS) {
13801 sprintf(buf, "%s engine has too many options\n", cps->which);
13802 DisplayError(buf, 0);
13806 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13807 /* End of additions by HGM */
13809 /* unknown feature: complain and skip */
13811 while (*q && *q != '=') q++;
13812 sprintf(buf, "rejected %.*s\n", (int)(q-p), p);
13813 SendToProgram(buf, cps);
13819 while (*p && *p != '\"') p++;
13820 if (*p == '\"') p++;
13822 while (*p && *p != ' ') p++;
13830 PeriodicUpdatesEvent(newState)
13833 if (newState == appData.periodicUpdates)
13836 appData.periodicUpdates=newState;
13838 /* Display type changes, so update it now */
13839 // DisplayAnalysis();
13841 /* Get the ball rolling again... */
13843 AnalysisPeriodicEvent(1);
13844 StartAnalysisClock();
13849 PonderNextMoveEvent(newState)
13852 if (newState == appData.ponderNextMove) return;
13853 if (gameMode == EditPosition) EditPositionDone(TRUE);
13855 SendToProgram("hard\n", &first);
13856 if (gameMode == TwoMachinesPlay) {
13857 SendToProgram("hard\n", &second);
13860 SendToProgram("easy\n", &first);
13861 thinkOutput[0] = NULLCHAR;
13862 if (gameMode == TwoMachinesPlay) {
13863 SendToProgram("easy\n", &second);
13866 appData.ponderNextMove = newState;
13870 NewSettingEvent(option, command, value)
13876 if (gameMode == EditPosition) EditPositionDone(TRUE);
13877 sprintf(buf, "%s%s %d\n", (option ? "option ": ""), command, value);
13878 SendToProgram(buf, &first);
13879 if (gameMode == TwoMachinesPlay) {
13880 SendToProgram(buf, &second);
13885 ShowThinkingEvent()
13886 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
13888 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
13889 int newState = appData.showThinking
13890 // [HGM] thinking: other features now need thinking output as well
13891 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
13893 if (oldState == newState) return;
13894 oldState = newState;
13895 if (gameMode == EditPosition) EditPositionDone(TRUE);
13897 SendToProgram("post\n", &first);
13898 if (gameMode == TwoMachinesPlay) {
13899 SendToProgram("post\n", &second);
13902 SendToProgram("nopost\n", &first);
13903 thinkOutput[0] = NULLCHAR;
13904 if (gameMode == TwoMachinesPlay) {
13905 SendToProgram("nopost\n", &second);
13908 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
13912 AskQuestionEvent(title, question, replyPrefix, which)
13913 char *title; char *question; char *replyPrefix; char *which;
13915 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
13916 if (pr == NoProc) return;
13917 AskQuestion(title, question, replyPrefix, pr);
13921 DisplayMove(moveNumber)
13924 char message[MSG_SIZ];
13926 char cpThinkOutput[MSG_SIZ];
13928 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
13930 if (moveNumber == forwardMostMove - 1 ||
13931 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13933 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput));
13935 if (strchr(cpThinkOutput, '\n')) {
13936 *strchr(cpThinkOutput, '\n') = NULLCHAR;
13939 *cpThinkOutput = NULLCHAR;
13942 /* [AS] Hide thinking from human user */
13943 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
13944 *cpThinkOutput = NULLCHAR;
13945 if( thinkOutput[0] != NULLCHAR ) {
13948 for( i=0; i<=hiddenThinkOutputState; i++ ) {
13949 cpThinkOutput[i] = '.';
13951 cpThinkOutput[i] = NULLCHAR;
13952 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
13956 if (moveNumber == forwardMostMove - 1 &&
13957 gameInfo.resultDetails != NULL) {
13958 if (gameInfo.resultDetails[0] == NULLCHAR) {
13959 sprintf(res, " %s", PGNResult(gameInfo.result));
13961 sprintf(res, " {%s} %s",
13962 gameInfo.resultDetails, PGNResult(gameInfo.result));
13968 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
13969 DisplayMessage(res, cpThinkOutput);
13971 sprintf(message, "%d.%s%s%s", moveNumber / 2 + 1,
13972 WhiteOnMove(moveNumber) ? " " : ".. ",
13973 parseList[moveNumber], res);
13974 DisplayMessage(message, cpThinkOutput);
13979 DisplayComment(moveNumber, text)
13983 char title[MSG_SIZ];
13984 char buf[8000]; // comment can be long!
13987 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
13988 strcpy(title, "Comment");
13990 sprintf(title, "Comment on %d.%s%s", moveNumber / 2 + 1,
13991 WhiteOnMove(moveNumber) ? " " : ".. ",
13992 parseList[moveNumber]);
13994 // [HGM] PV info: display PV info together with (or as) comment
13995 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
13996 if(text == NULL) text = "";
13997 score = pvInfoList[moveNumber].score;
13998 sprintf(buf, "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
13999 depth, (pvInfoList[moveNumber].time+50)/100, text);
14002 if (text != NULL && (appData.autoDisplayComment || commentUp))
14003 CommentPopUp(title, text);
14006 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
14007 * might be busy thinking or pondering. It can be omitted if your
14008 * gnuchess is configured to stop thinking immediately on any user
14009 * input. However, that gnuchess feature depends on the FIONREAD
14010 * ioctl, which does not work properly on some flavors of Unix.
14014 ChessProgramState *cps;
14017 if (!cps->useSigint) return;
14018 if (appData.noChessProgram || (cps->pr == NoProc)) return;
14019 switch (gameMode) {
14020 case MachinePlaysWhite:
14021 case MachinePlaysBlack:
14022 case TwoMachinesPlay:
14023 case IcsPlayingWhite:
14024 case IcsPlayingBlack:
14027 /* Skip if we know it isn't thinking */
14028 if (!cps->maybeThinking) return;
14029 if (appData.debugMode)
14030 fprintf(debugFP, "Interrupting %s\n", cps->which);
14031 InterruptChildProcess(cps->pr);
14032 cps->maybeThinking = FALSE;
14037 #endif /*ATTENTION*/
14043 if (whiteTimeRemaining <= 0) {
14046 if (appData.icsActive) {
14047 if (appData.autoCallFlag &&
14048 gameMode == IcsPlayingBlack && !blackFlag) {
14049 SendToICS(ics_prefix);
14050 SendToICS("flag\n");
14054 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14056 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
14057 if (appData.autoCallFlag) {
14058 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
14065 if (blackTimeRemaining <= 0) {
14068 if (appData.icsActive) {
14069 if (appData.autoCallFlag &&
14070 gameMode == IcsPlayingWhite && !whiteFlag) {
14071 SendToICS(ics_prefix);
14072 SendToICS("flag\n");
14076 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14078 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
14079 if (appData.autoCallFlag) {
14080 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
14093 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
14094 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
14097 * add time to clocks when time control is achieved ([HGM] now also used for increment)
14099 if ( !WhiteOnMove(forwardMostMove) )
14100 /* White made time control */
14101 whiteTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
14102 /* [HGM] time odds: correct new time quota for time odds! */
14103 / WhitePlayer()->timeOdds;
14105 /* Black made time control */
14106 blackTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
14107 / WhitePlayer()->other->timeOdds;
14111 DisplayBothClocks()
14113 int wom = gameMode == EditPosition ?
14114 !blackPlaysFirst : WhiteOnMove(currentMove);
14115 DisplayWhiteClock(whiteTimeRemaining, wom);
14116 DisplayBlackClock(blackTimeRemaining, !wom);
14120 /* Timekeeping seems to be a portability nightmare. I think everyone
14121 has ftime(), but I'm really not sure, so I'm including some ifdefs
14122 to use other calls if you don't. Clocks will be less accurate if
14123 you have neither ftime nor gettimeofday.
14126 /* VS 2008 requires the #include outside of the function */
14127 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
14128 #include <sys/timeb.h>
14131 /* Get the current time as a TimeMark */
14136 #if HAVE_GETTIMEOFDAY
14138 struct timeval timeVal;
14139 struct timezone timeZone;
14141 gettimeofday(&timeVal, &timeZone);
14142 tm->sec = (long) timeVal.tv_sec;
14143 tm->ms = (int) (timeVal.tv_usec / 1000L);
14145 #else /*!HAVE_GETTIMEOFDAY*/
14148 // include <sys/timeb.h> / moved to just above start of function
14149 struct timeb timeB;
14152 tm->sec = (long) timeB.time;
14153 tm->ms = (int) timeB.millitm;
14155 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
14156 tm->sec = (long) time(NULL);
14162 /* Return the difference in milliseconds between two
14163 time marks. We assume the difference will fit in a long!
14166 SubtractTimeMarks(tm2, tm1)
14167 TimeMark *tm2, *tm1;
14169 return 1000L*(tm2->sec - tm1->sec) +
14170 (long) (tm2->ms - tm1->ms);
14175 * Code to manage the game clocks.
14177 * In tournament play, black starts the clock and then white makes a move.
14178 * We give the human user a slight advantage if he is playing white---the
14179 * clocks don't run until he makes his first move, so it takes zero time.
14180 * Also, we don't account for network lag, so we could get out of sync
14181 * with GNU Chess's clock -- but then, referees are always right.
14184 static TimeMark tickStartTM;
14185 static long intendedTickLength;
14188 NextTickLength(timeRemaining)
14189 long timeRemaining;
14191 long nominalTickLength, nextTickLength;
14193 if (timeRemaining > 0L && timeRemaining <= 10000L)
14194 nominalTickLength = 100L;
14196 nominalTickLength = 1000L;
14197 nextTickLength = timeRemaining % nominalTickLength;
14198 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
14200 return nextTickLength;
14203 /* Adjust clock one minute up or down */
14205 AdjustClock(Boolean which, int dir)
14207 if(which) blackTimeRemaining += 60000*dir;
14208 else whiteTimeRemaining += 60000*dir;
14209 DisplayBothClocks();
14212 /* Stop clocks and reset to a fresh time control */
14216 (void) StopClockTimer();
14217 if (appData.icsActive) {
14218 whiteTimeRemaining = blackTimeRemaining = 0;
14219 } else if (searchTime) {
14220 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14221 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14222 } else { /* [HGM] correct new time quote for time odds */
14223 whiteTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->timeOdds;
14224 blackTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->other->timeOdds;
14226 if (whiteFlag || blackFlag) {
14228 whiteFlag = blackFlag = FALSE;
14230 DisplayBothClocks();
14233 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
14235 /* Decrement running clock by amount of time that has passed */
14239 long timeRemaining;
14240 long lastTickLength, fudge;
14243 if (!appData.clockMode) return;
14244 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
14248 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14250 /* Fudge if we woke up a little too soon */
14251 fudge = intendedTickLength - lastTickLength;
14252 if (fudge < 0 || fudge > FUDGE) fudge = 0;
14254 if (WhiteOnMove(forwardMostMove)) {
14255 if(whiteNPS >= 0) lastTickLength = 0;
14256 timeRemaining = whiteTimeRemaining -= lastTickLength;
14257 DisplayWhiteClock(whiteTimeRemaining - fudge,
14258 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14260 if(blackNPS >= 0) lastTickLength = 0;
14261 timeRemaining = blackTimeRemaining -= lastTickLength;
14262 DisplayBlackClock(blackTimeRemaining - fudge,
14263 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14266 if (CheckFlags()) return;
14269 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
14270 StartClockTimer(intendedTickLength);
14272 /* if the time remaining has fallen below the alarm threshold, sound the
14273 * alarm. if the alarm has sounded and (due to a takeback or time control
14274 * with increment) the time remaining has increased to a level above the
14275 * threshold, reset the alarm so it can sound again.
14278 if (appData.icsActive && appData.icsAlarm) {
14280 /* make sure we are dealing with the user's clock */
14281 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
14282 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
14285 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
14286 alarmSounded = FALSE;
14287 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
14289 alarmSounded = TRUE;
14295 /* A player has just moved, so stop the previously running
14296 clock and (if in clock mode) start the other one.
14297 We redisplay both clocks in case we're in ICS mode, because
14298 ICS gives us an update to both clocks after every move.
14299 Note that this routine is called *after* forwardMostMove
14300 is updated, so the last fractional tick must be subtracted
14301 from the color that is *not* on move now.
14304 SwitchClocks(int newMoveNr)
14306 long lastTickLength;
14308 int flagged = FALSE;
14312 if (StopClockTimer() && appData.clockMode) {
14313 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14314 if (!WhiteOnMove(forwardMostMove)) {
14315 if(blackNPS >= 0) lastTickLength = 0;
14316 blackTimeRemaining -= lastTickLength;
14317 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14318 // if(pvInfoList[forwardMostMove-1].time == -1)
14319 pvInfoList[forwardMostMove-1].time = // use GUI time
14320 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
14322 if(whiteNPS >= 0) lastTickLength = 0;
14323 whiteTimeRemaining -= lastTickLength;
14324 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14325 // if(pvInfoList[forwardMostMove-1].time == -1)
14326 pvInfoList[forwardMostMove-1].time =
14327 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
14329 flagged = CheckFlags();
14331 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
14332 CheckTimeControl();
14334 if (flagged || !appData.clockMode) return;
14336 switch (gameMode) {
14337 case MachinePlaysBlack:
14338 case MachinePlaysWhite:
14339 case BeginningOfGame:
14340 if (pausing) return;
14344 case PlayFromGameFile:
14352 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
14353 if(WhiteOnMove(forwardMostMove))
14354 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14355 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14359 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14360 whiteTimeRemaining : blackTimeRemaining);
14361 StartClockTimer(intendedTickLength);
14365 /* Stop both clocks */
14369 long lastTickLength;
14372 if (!StopClockTimer()) return;
14373 if (!appData.clockMode) return;
14377 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14378 if (WhiteOnMove(forwardMostMove)) {
14379 if(whiteNPS >= 0) lastTickLength = 0;
14380 whiteTimeRemaining -= lastTickLength;
14381 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
14383 if(blackNPS >= 0) lastTickLength = 0;
14384 blackTimeRemaining -= lastTickLength;
14385 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
14390 /* Start clock of player on move. Time may have been reset, so
14391 if clock is already running, stop and restart it. */
14395 (void) StopClockTimer(); /* in case it was running already */
14396 DisplayBothClocks();
14397 if (CheckFlags()) return;
14399 if (!appData.clockMode) return;
14400 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
14402 GetTimeMark(&tickStartTM);
14403 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14404 whiteTimeRemaining : blackTimeRemaining);
14406 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
14407 whiteNPS = blackNPS = -1;
14408 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
14409 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
14410 whiteNPS = first.nps;
14411 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
14412 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
14413 blackNPS = first.nps;
14414 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
14415 whiteNPS = second.nps;
14416 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
14417 blackNPS = second.nps;
14418 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
14420 StartClockTimer(intendedTickLength);
14427 long second, minute, hour, day;
14429 static char buf[32];
14431 if (ms > 0 && ms <= 9900) {
14432 /* convert milliseconds to tenths, rounding up */
14433 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
14435 sprintf(buf, " %03.1f ", tenths/10.0);
14439 /* convert milliseconds to seconds, rounding up */
14440 /* use floating point to avoid strangeness of integer division
14441 with negative dividends on many machines */
14442 second = (long) floor(((double) (ms + 999L)) / 1000.0);
14449 day = second / (60 * 60 * 24);
14450 second = second % (60 * 60 * 24);
14451 hour = second / (60 * 60);
14452 second = second % (60 * 60);
14453 minute = second / 60;
14454 second = second % 60;
14457 sprintf(buf, " %s%ld:%02ld:%02ld:%02ld ",
14458 sign, day, hour, minute, second);
14460 sprintf(buf, " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
14462 sprintf(buf, " %s%2ld:%02ld ", sign, minute, second);
14469 * This is necessary because some C libraries aren't ANSI C compliant yet.
14472 StrStr(string, match)
14473 char *string, *match;
14477 length = strlen(match);
14479 for (i = strlen(string) - length; i >= 0; i--, string++)
14480 if (!strncmp(match, string, length))
14487 StrCaseStr(string, match)
14488 char *string, *match;
14492 length = strlen(match);
14494 for (i = strlen(string) - length; i >= 0; i--, string++) {
14495 for (j = 0; j < length; j++) {
14496 if (ToLower(match[j]) != ToLower(string[j]))
14499 if (j == length) return string;
14513 c1 = ToLower(*s1++);
14514 c2 = ToLower(*s2++);
14515 if (c1 > c2) return 1;
14516 if (c1 < c2) return -1;
14517 if (c1 == NULLCHAR) return 0;
14526 return isupper(c) ? tolower(c) : c;
14534 return islower(c) ? toupper(c) : c;
14536 #endif /* !_amigados */
14544 if ((ret = (char *) malloc(strlen(s) + 1))) {
14551 StrSavePtr(s, savePtr)
14552 char *s, **savePtr;
14557 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
14558 strcpy(*savePtr, s);
14570 clock = time((time_t *)NULL);
14571 tm = localtime(&clock);
14572 sprintf(buf, "%04d.%02d.%02d",
14573 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
14574 return StrSave(buf);
14579 PositionToFEN(move, overrideCastling)
14581 char *overrideCastling;
14583 int i, j, fromX, fromY, toX, toY;
14590 whiteToPlay = (gameMode == EditPosition) ?
14591 !blackPlaysFirst : (move % 2 == 0);
14594 /* Piece placement data */
14595 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14597 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14598 if (boards[move][i][j] == EmptySquare) {
14600 } else { ChessSquare piece = boards[move][i][j];
14601 if (emptycount > 0) {
14602 if(emptycount<10) /* [HGM] can be >= 10 */
14603 *p++ = '0' + emptycount;
14604 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14607 if(PieceToChar(piece) == '+') {
14608 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
14610 piece = (ChessSquare)(DEMOTED piece);
14612 *p++ = PieceToChar(piece);
14614 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
14615 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
14620 if (emptycount > 0) {
14621 if(emptycount<10) /* [HGM] can be >= 10 */
14622 *p++ = '0' + emptycount;
14623 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14630 /* [HGM] print Crazyhouse or Shogi holdings */
14631 if( gameInfo.holdingsWidth ) {
14632 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
14634 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
14635 piece = boards[move][i][BOARD_WIDTH-1];
14636 if( piece != EmptySquare )
14637 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
14638 *p++ = PieceToChar(piece);
14640 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
14641 piece = boards[move][BOARD_HEIGHT-i-1][0];
14642 if( piece != EmptySquare )
14643 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
14644 *p++ = PieceToChar(piece);
14647 if( q == p ) *p++ = '-';
14653 *p++ = whiteToPlay ? 'w' : 'b';
14656 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
14657 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
14659 if(nrCastlingRights) {
14661 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
14662 /* [HGM] write directly from rights */
14663 if(boards[move][CASTLING][2] != NoRights &&
14664 boards[move][CASTLING][0] != NoRights )
14665 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
14666 if(boards[move][CASTLING][2] != NoRights &&
14667 boards[move][CASTLING][1] != NoRights )
14668 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
14669 if(boards[move][CASTLING][5] != NoRights &&
14670 boards[move][CASTLING][3] != NoRights )
14671 *p++ = boards[move][CASTLING][3] + AAA;
14672 if(boards[move][CASTLING][5] != NoRights &&
14673 boards[move][CASTLING][4] != NoRights )
14674 *p++ = boards[move][CASTLING][4] + AAA;
14677 /* [HGM] write true castling rights */
14678 if( nrCastlingRights == 6 ) {
14679 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
14680 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
14681 if(boards[move][CASTLING][1] == BOARD_LEFT &&
14682 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
14683 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
14684 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
14685 if(boards[move][CASTLING][4] == BOARD_LEFT &&
14686 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
14689 if (q == p) *p++ = '-'; /* No castling rights */
14693 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14694 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14695 /* En passant target square */
14696 if (move > backwardMostMove) {
14697 fromX = moveList[move - 1][0] - AAA;
14698 fromY = moveList[move - 1][1] - ONE;
14699 toX = moveList[move - 1][2] - AAA;
14700 toY = moveList[move - 1][3] - ONE;
14701 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
14702 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
14703 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
14705 /* 2-square pawn move just happened */
14707 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14711 } else if(move == backwardMostMove) {
14712 // [HGM] perhaps we should always do it like this, and forget the above?
14713 if((signed char)boards[move][EP_STATUS] >= 0) {
14714 *p++ = boards[move][EP_STATUS] + AAA;
14715 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14726 /* [HGM] find reversible plies */
14727 { int i = 0, j=move;
14729 if (appData.debugMode) { int k;
14730 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
14731 for(k=backwardMostMove; k<=forwardMostMove; k++)
14732 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
14736 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
14737 if( j == backwardMostMove ) i += initialRulePlies;
14738 sprintf(p, "%d ", i);
14739 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
14741 /* Fullmove number */
14742 sprintf(p, "%d", (move / 2) + 1);
14744 return StrSave(buf);
14748 ParseFEN(board, blackPlaysFirst, fen)
14750 int *blackPlaysFirst;
14760 /* [HGM] by default clear Crazyhouse holdings, if present */
14761 if(gameInfo.holdingsWidth) {
14762 for(i=0; i<BOARD_HEIGHT; i++) {
14763 board[i][0] = EmptySquare; /* black holdings */
14764 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
14765 board[i][1] = (ChessSquare) 0; /* black counts */
14766 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
14770 /* Piece placement data */
14771 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14774 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
14775 if (*p == '/') p++;
14776 emptycount = gameInfo.boardWidth - j;
14777 while (emptycount--)
14778 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14780 #if(BOARD_FILES >= 10)
14781 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
14782 p++; emptycount=10;
14783 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14784 while (emptycount--)
14785 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14787 } else if (isdigit(*p)) {
14788 emptycount = *p++ - '0';
14789 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
14790 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14791 while (emptycount--)
14792 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14793 } else if (*p == '+' || isalpha(*p)) {
14794 if (j >= gameInfo.boardWidth) return FALSE;
14796 piece = CharToPiece(*++p);
14797 if(piece == EmptySquare) return FALSE; /* unknown piece */
14798 piece = (ChessSquare) (PROMOTED piece ); p++;
14799 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
14800 } else piece = CharToPiece(*p++);
14802 if(piece==EmptySquare) return FALSE; /* unknown piece */
14803 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
14804 piece = (ChessSquare) (PROMOTED piece);
14805 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
14808 board[i][(j++)+gameInfo.holdingsWidth] = piece;
14814 while (*p == '/' || *p == ' ') p++;
14816 /* [HGM] look for Crazyhouse holdings here */
14817 while(*p==' ') p++;
14818 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
14820 if(*p == '-' ) *p++; /* empty holdings */ else {
14821 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
14822 /* if we would allow FEN reading to set board size, we would */
14823 /* have to add holdings and shift the board read so far here */
14824 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
14826 if((int) piece >= (int) BlackPawn ) {
14827 i = (int)piece - (int)BlackPawn;
14828 i = PieceToNumber((ChessSquare)i);
14829 if( i >= gameInfo.holdingsSize ) return FALSE;
14830 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
14831 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
14833 i = (int)piece - (int)WhitePawn;
14834 i = PieceToNumber((ChessSquare)i);
14835 if( i >= gameInfo.holdingsSize ) return FALSE;
14836 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
14837 board[i][BOARD_WIDTH-2]++; /* black holdings */
14841 if(*p == ']') *p++;
14844 while(*p == ' ') p++;
14849 *blackPlaysFirst = FALSE;
14852 *blackPlaysFirst = TRUE;
14858 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
14859 /* return the extra info in global variiables */
14861 /* set defaults in case FEN is incomplete */
14862 board[EP_STATUS] = EP_UNKNOWN;
14863 for(i=0; i<nrCastlingRights; i++ ) {
14864 board[CASTLING][i] =
14865 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
14866 } /* assume possible unless obviously impossible */
14867 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
14868 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
14869 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
14870 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
14871 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
14872 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
14873 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
14874 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
14877 while(*p==' ') p++;
14878 if(nrCastlingRights) {
14879 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
14880 /* castling indicator present, so default becomes no castlings */
14881 for(i=0; i<nrCastlingRights; i++ ) {
14882 board[CASTLING][i] = NoRights;
14885 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
14886 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
14887 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
14888 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
14889 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
14891 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
14892 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
14893 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
14895 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
14896 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
14897 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
14898 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
14899 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
14900 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
14903 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
14904 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
14905 board[CASTLING][2] = whiteKingFile;
14908 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
14909 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
14910 board[CASTLING][2] = whiteKingFile;
14913 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
14914 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
14915 board[CASTLING][5] = blackKingFile;
14918 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
14919 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
14920 board[CASTLING][5] = blackKingFile;
14923 default: /* FRC castlings */
14924 if(c >= 'a') { /* black rights */
14925 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
14926 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
14927 if(i == BOARD_RGHT) break;
14928 board[CASTLING][5] = i;
14930 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
14931 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
14933 board[CASTLING][3] = c;
14935 board[CASTLING][4] = c;
14936 } else { /* white rights */
14937 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
14938 if(board[0][i] == WhiteKing) break;
14939 if(i == BOARD_RGHT) break;
14940 board[CASTLING][2] = i;
14941 c -= AAA - 'a' + 'A';
14942 if(board[0][c] >= WhiteKing) break;
14944 board[CASTLING][0] = c;
14946 board[CASTLING][1] = c;
14950 for(i=0; i<nrCastlingRights; i++)
14951 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
14952 if (appData.debugMode) {
14953 fprintf(debugFP, "FEN castling rights:");
14954 for(i=0; i<nrCastlingRights; i++)
14955 fprintf(debugFP, " %d", board[CASTLING][i]);
14956 fprintf(debugFP, "\n");
14959 while(*p==' ') p++;
14962 /* read e.p. field in games that know e.p. capture */
14963 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14964 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14966 p++; board[EP_STATUS] = EP_NONE;
14968 char c = *p++ - AAA;
14970 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
14971 if(*p >= '0' && *p <='9') *p++;
14972 board[EP_STATUS] = c;
14977 if(sscanf(p, "%d", &i) == 1) {
14978 FENrulePlies = i; /* 50-move ply counter */
14979 /* (The move number is still ignored) */
14986 EditPositionPasteFEN(char *fen)
14989 Board initial_position;
14991 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
14992 DisplayError(_("Bad FEN position in clipboard"), 0);
14995 int savedBlackPlaysFirst = blackPlaysFirst;
14996 EditPositionEvent();
14997 blackPlaysFirst = savedBlackPlaysFirst;
14998 CopyBoard(boards[0], initial_position);
14999 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
15000 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
15001 DisplayBothClocks();
15002 DrawPosition(FALSE, boards[currentMove]);
15007 static char cseq[12] = "\\ ";
15009 Boolean set_cont_sequence(char *new_seq)
15014 // handle bad attempts to set the sequence
15016 return 0; // acceptable error - no debug
15018 len = strlen(new_seq);
15019 ret = (len > 0) && (len < sizeof(cseq));
15021 strcpy(cseq, new_seq);
15022 else if (appData.debugMode)
15023 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
15028 reformat a source message so words don't cross the width boundary. internal
15029 newlines are not removed. returns the wrapped size (no null character unless
15030 included in source message). If dest is NULL, only calculate the size required
15031 for the dest buffer. lp argument indicats line position upon entry, and it's
15032 passed back upon exit.
15034 int wrap(char *dest, char *src, int count, int width, int *lp)
15036 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
15038 cseq_len = strlen(cseq);
15039 old_line = line = *lp;
15040 ansi = len = clen = 0;
15042 for (i=0; i < count; i++)
15044 if (src[i] == '\033')
15047 // if we hit the width, back up
15048 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
15050 // store i & len in case the word is too long
15051 old_i = i, old_len = len;
15053 // find the end of the last word
15054 while (i && src[i] != ' ' && src[i] != '\n')
15060 // word too long? restore i & len before splitting it
15061 if ((old_i-i+clen) >= width)
15068 if (i && src[i-1] == ' ')
15071 if (src[i] != ' ' && src[i] != '\n')
15078 // now append the newline and continuation sequence
15083 strncpy(dest+len, cseq, cseq_len);
15091 dest[len] = src[i];
15095 if (src[i] == '\n')
15100 if (dest && appData.debugMode)
15102 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
15103 count, width, line, len, *lp);
15104 show_bytes(debugFP, src, count);
15105 fprintf(debugFP, "\ndest: ");
15106 show_bytes(debugFP, dest, len);
15107 fprintf(debugFP, "\n");
15109 *lp = dest ? line : old_line;
15114 // [HGM] vari: routines for shelving variations
15117 PushTail(int firstMove, int lastMove)
15119 int i, j, nrMoves = lastMove - firstMove;
15121 if(appData.icsActive) { // only in local mode
15122 forwardMostMove = currentMove; // mimic old ICS behavior
15125 if(storedGames >= MAX_VARIATIONS-1) return;
15127 // push current tail of game on stack
15128 savedResult[storedGames] = gameInfo.result;
15129 savedDetails[storedGames] = gameInfo.resultDetails;
15130 gameInfo.resultDetails = NULL;
15131 savedFirst[storedGames] = firstMove;
15132 savedLast [storedGames] = lastMove;
15133 savedFramePtr[storedGames] = framePtr;
15134 framePtr -= nrMoves; // reserve space for the boards
15135 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
15136 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
15137 for(j=0; j<MOVE_LEN; j++)
15138 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
15139 for(j=0; j<2*MOVE_LEN; j++)
15140 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
15141 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
15142 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
15143 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
15144 pvInfoList[firstMove+i-1].depth = 0;
15145 commentList[framePtr+i] = commentList[firstMove+i];
15146 commentList[firstMove+i] = NULL;
15150 forwardMostMove = firstMove; // truncate game so we can start variation
15151 if(storedGames == 1) GreyRevert(FALSE);
15155 PopTail(Boolean annotate)
15158 char buf[8000], moveBuf[20];
15160 if(appData.icsActive) return FALSE; // only in local mode
15161 if(!storedGames) return FALSE; // sanity
15162 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
15165 ToNrEvent(savedFirst[storedGames]); // sets currentMove
15166 nrMoves = savedLast[storedGames] - currentMove;
15169 if(!WhiteOnMove(currentMove)) sprintf(buf, "(%d...", currentMove+2>>1);
15170 else strcpy(buf, "(");
15171 for(i=currentMove; i<forwardMostMove; i++) {
15173 sprintf(moveBuf, " %d. %s", i+2>>1, SavePart(parseList[i]));
15174 else sprintf(moveBuf, " %s", SavePart(parseList[i]));
15175 strcat(buf, moveBuf);
15176 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
15177 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
15181 for(i=1; i<=nrMoves; i++) { // copy last variation back
15182 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
15183 for(j=0; j<MOVE_LEN; j++)
15184 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
15185 for(j=0; j<2*MOVE_LEN; j++)
15186 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
15187 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
15188 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
15189 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
15190 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
15191 commentList[currentMove+i] = commentList[framePtr+i];
15192 commentList[framePtr+i] = NULL;
15194 if(annotate) AppendComment(currentMove+1, buf, FALSE);
15195 framePtr = savedFramePtr[storedGames];
15196 gameInfo.result = savedResult[storedGames];
15197 if(gameInfo.resultDetails != NULL) {
15198 free(gameInfo.resultDetails);
15200 gameInfo.resultDetails = savedDetails[storedGames];
15201 forwardMostMove = currentMove + nrMoves;
15202 if(storedGames == 0) GreyRevert(TRUE);
15208 { // remove all shelved variations
15210 for(i=0; i<storedGames; i++) {
15211 if(savedDetails[i])
15212 free(savedDetails[i]);
15213 savedDetails[i] = NULL;
15215 for(i=framePtr; i<MAX_MOVES; i++) {
15216 if(commentList[i]) free(commentList[i]);
15217 commentList[i] = NULL;
15219 framePtr = MAX_MOVES-1;
15224 LoadVariation(int index, char *text)
15225 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
15226 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
15227 int level = 0, move;
15229 if(gameMode != EditGame && gameMode != AnalyzeMode) return;
15230 // first find outermost bracketing variation
15231 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
15232 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
15233 if(*p == '{') wait = '}'; else
15234 if(*p == '[') wait = ']'; else
15235 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
15236 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
15238 if(*p == wait) wait = NULLCHAR; // closing ]} found
15241 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
15242 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
15243 end[1] = NULLCHAR; // clip off comment beyond variation
15244 ToNrEvent(currentMove-1);
15245 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
15246 // kludge: use ParsePV() to append variation to game
15247 move = currentMove;
15248 ParsePV(start, TRUE);
15249 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
15250 ClearPremoveHighlights();
15252 ToNrEvent(currentMove+1);