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);
6651 PawnAdvance += m; NrPawns++;
6653 NrPieces += (p != EmptySquare);
6654 NrW += ((int)p < (int)BlackPawn);
6655 if(gameInfo.variant == VariantXiangqi &&
6656 (p == WhiteFerz || p == WhiteAlfil || p == BlackFerz || p == BlackAlfil)) {
6657 NrPieces--; // [HGM] XQ: do not count purely defensive pieces
6658 NrW -= ((int)p < (int)BlackPawn);
6662 /* Some material-based adjudications that have to be made before stalemate test */
6663 if(gameInfo.variant == VariantAtomic && NrK < 2) {
6664 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
6665 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
6666 if(canAdjudicate && appData.checkMates) {
6668 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6669 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6670 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
6671 "Xboard adjudication: King destroyed", GE_XBOARD );
6676 /* Bare King in Shatranj (loses) or Losers (wins) */
6677 if( NrW == 1 || NrPieces - NrW == 1) {
6678 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
6679 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
6680 if(canAdjudicate && appData.checkMates) {
6682 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
6683 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6684 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6685 "Xboard adjudication: Bare king", GE_XBOARD );
6689 if( gameInfo.variant == VariantShatranj && --bare < 0)
6691 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
6692 if(canAdjudicate && appData.checkMates) {
6693 /* but only adjudicate if adjudication enabled */
6695 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6696 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6697 GameEnds( NrW > 1 ? WhiteWins : NrPieces - NrW > 1 ? BlackWins : GameIsDrawn,
6698 "Xboard adjudication: Bare king", GE_XBOARD );
6705 // don't wait for engine to announce game end if we can judge ourselves
6706 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
6708 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
6709 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
6710 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
6711 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
6714 reason = "Xboard adjudication: 3rd check";
6715 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
6725 reason = "Xboard adjudication: Stalemate";
6726 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
6727 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
6728 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
6729 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
6730 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
6731 boards[forwardMostMove][EP_STATUS] = NrW == NrPieces-NrW ? EP_STALEMATE :
6732 ((NrW < NrPieces-NrW) != WhiteOnMove(forwardMostMove) ?
6733 EP_CHECKMATE : EP_WINS);
6734 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
6735 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
6739 reason = "Xboard adjudication: Checkmate";
6740 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
6744 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
6746 result = GameIsDrawn; break;
6748 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
6750 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
6752 result = (ChessMove) 0;
6754 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
6756 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6757 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6758 GameEnds( result, reason, GE_XBOARD );
6762 /* Next absolutely insufficient mating material. */
6763 if( NrPieces == 2 || gameInfo.variant != VariantXiangqi &&
6764 gameInfo.variant != VariantShatranj && // [HGM] baring will remain possible
6765 (NrPieces == 3 && NrWN+NrBN+NrWB+NrBB == 1 ||
6766 NrPieces == NrBB+NrWB+2 && bishopsColor != 3)) // [HGM] all Bishops (Ferz!) same color
6767 { /* KBK, KNK, KK of KBKB with like Bishops */
6769 /* always flag draws, for judging claims */
6770 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
6772 if(canAdjudicate && appData.materialDraws) {
6773 /* but only adjudicate them if adjudication enabled */
6774 if(engineOpponent) {
6775 SendToProgram("force\n", engineOpponent); // suppress reply
6776 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
6778 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6779 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
6784 /* Then some trivial draws (only adjudicate, cannot be claimed) */
6786 ( NrWR == 1 && NrBR == 1 /* KRKR */
6787 || NrWQ==1 && NrBQ==1 /* KQKQ */
6788 || NrWN==2 || NrBN==2 /* KNNK */
6789 || NrWN+NrWB == 1 && NrBN+NrBB == 1 /* KBKN, KBKB, KNKN */
6791 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
6792 { /* if the first 3 moves do not show a tactical win, declare draw */
6793 if(engineOpponent) {
6794 SendToProgram("force\n", engineOpponent); // suppress reply
6795 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6797 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6798 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
6801 } else moveCount = 6;
6805 if (appData.debugMode) { int i;
6806 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
6807 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
6808 appData.drawRepeats);
6809 for( i=forwardMostMove; i>=backwardMostMove; i-- )
6810 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
6814 // Repetition draws and 50-move rule can be applied independently of legality testing
6816 /* Check for rep-draws */
6818 for(k = forwardMostMove-2;
6819 k>=backwardMostMove && k>=forwardMostMove-100 &&
6820 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
6821 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
6824 if(CompareBoards(boards[k], boards[forwardMostMove])) {
6825 /* compare castling rights */
6826 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
6827 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
6828 rights++; /* King lost rights, while rook still had them */
6829 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
6830 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
6831 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
6832 rights++; /* but at least one rook lost them */
6834 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
6835 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
6837 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
6838 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
6839 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
6842 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
6843 && appData.drawRepeats > 1) {
6844 /* adjudicate after user-specified nr of repeats */
6845 int result = GameIsDrawn;
6846 char *details = "XBoard adjudication: repetition draw";
6847 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
6848 // [HGM] xiangqi: check for forbidden perpetuals
6849 int m, ourPerpetual = 1, hisPerpetual = 1;
6850 for(m=forwardMostMove; m>k; m-=2) {
6851 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
6852 ourPerpetual = 0; // the current mover did not always check
6853 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
6854 hisPerpetual = 0; // the opponent did not always check
6856 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
6857 ourPerpetual, hisPerpetual);
6858 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
6859 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
6860 details = "Xboard adjudication: perpetual checking";
6862 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
6863 break; // (or we would have caught him before). Abort repetition-checking loop.
6865 // Now check for perpetual chases
6866 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
6867 hisPerpetual = PerpetualChase(k, forwardMostMove);
6868 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
6869 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
6870 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
6871 details = "Xboard adjudication: perpetual chasing";
6873 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
6874 break; // Abort repetition-checking loop.
6876 // if neither of us is checking or chasing all the time, or both are, it is draw
6878 if(engineOpponent) {
6879 SendToProgram("force\n", engineOpponent); // suppress reply
6880 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6882 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6883 GameEnds( result, details, GE_XBOARD );
6886 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
6887 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
6891 /* Now we test for 50-move draws. Determine ply count */
6892 count = forwardMostMove;
6893 /* look for last irreversble move */
6894 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
6896 /* if we hit starting position, add initial plies */
6897 if( count == backwardMostMove )
6898 count -= initialRulePlies;
6899 count = forwardMostMove - count;
6901 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
6902 /* this is used to judge if draw claims are legal */
6903 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
6904 if(engineOpponent) {
6905 SendToProgram("force\n", engineOpponent); // suppress reply
6906 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6908 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6909 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
6913 /* if draw offer is pending, treat it as a draw claim
6914 * when draw condition present, to allow engines a way to
6915 * claim draws before making their move to avoid a race
6916 * condition occurring after their move
6918 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
6920 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
6921 p = "Draw claim: 50-move rule";
6922 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
6923 p = "Draw claim: 3-fold repetition";
6924 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
6925 p = "Draw claim: insufficient mating material";
6926 if( p != NULL && canAdjudicate) {
6927 if(engineOpponent) {
6928 SendToProgram("force\n", engineOpponent); // suppress reply
6929 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6931 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6932 GameEnds( GameIsDrawn, p, GE_XBOARD );
6937 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
6938 if(engineOpponent) {
6939 SendToProgram("force\n", engineOpponent); // suppress reply
6940 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6942 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6943 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
6949 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
6950 { // [HGM] book: this routine intercepts moves to simulate book replies
6951 char *bookHit = NULL;
6953 //first determine if the incoming move brings opponent into his book
6954 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
6955 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
6956 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
6957 if(bookHit != NULL && !cps->bookSuspend) {
6958 // make sure opponent is not going to reply after receiving move to book position
6959 SendToProgram("force\n", cps);
6960 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
6962 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
6963 // now arrange restart after book miss
6965 // after a book hit we never send 'go', and the code after the call to this routine
6966 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
6968 sprintf(buf, "%s%s\n", (cps->useUsermove ? "usermove " : ""), bookHit); // force book move into program supposed to play it
6969 SendToProgram(buf, cps);
6970 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
6971 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
6972 SendToProgram("go\n", cps);
6973 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
6974 } else { // 'go' might be sent based on 'firstMove' after this routine returns
6975 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
6976 SendToProgram("go\n", cps);
6977 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
6979 return bookHit; // notify caller of hit, so it can take action to send move to opponent
6983 ChessProgramState *savedState;
6984 void DeferredBookMove(void)
6986 if(savedState->lastPing != savedState->lastPong)
6987 ScheduleDelayedEvent(DeferredBookMove, 10);
6989 HandleMachineMove(savedMessage, savedState);
6993 HandleMachineMove(message, cps)
6995 ChessProgramState *cps;
6997 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
6998 char realname[MSG_SIZ];
6999 int fromX, fromY, toX, toY;
7008 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7010 * Kludge to ignore BEL characters
7012 while (*message == '\007') message++;
7015 * [HGM] engine debug message: ignore lines starting with '#' character
7017 if(cps->debug && *message == '#') return;
7020 * Look for book output
7022 if (cps == &first && bookRequested) {
7023 if (message[0] == '\t' || message[0] == ' ') {
7024 /* Part of the book output is here; append it */
7025 strcat(bookOutput, message);
7026 strcat(bookOutput, " \n");
7028 } else if (bookOutput[0] != NULLCHAR) {
7029 /* All of book output has arrived; display it */
7030 char *p = bookOutput;
7031 while (*p != NULLCHAR) {
7032 if (*p == '\t') *p = ' ';
7035 DisplayInformation(bookOutput);
7036 bookRequested = FALSE;
7037 /* Fall through to parse the current output */
7042 * Look for machine move.
7044 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7045 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7047 /* This method is only useful on engines that support ping */
7048 if (cps->lastPing != cps->lastPong) {
7049 if (gameMode == BeginningOfGame) {
7050 /* Extra move from before last new; ignore */
7051 if (appData.debugMode) {
7052 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7055 if (appData.debugMode) {
7056 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7057 cps->which, gameMode);
7060 SendToProgram("undo\n", cps);
7066 case BeginningOfGame:
7067 /* Extra move from before last reset; ignore */
7068 if (appData.debugMode) {
7069 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7076 /* Extra move after we tried to stop. The mode test is
7077 not a reliable way of detecting this problem, but it's
7078 the best we can do on engines that don't support ping.
7080 if (appData.debugMode) {
7081 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7082 cps->which, gameMode);
7084 SendToProgram("undo\n", cps);
7087 case MachinePlaysWhite:
7088 case IcsPlayingWhite:
7089 machineWhite = TRUE;
7092 case MachinePlaysBlack:
7093 case IcsPlayingBlack:
7094 machineWhite = FALSE;
7097 case TwoMachinesPlay:
7098 machineWhite = (cps->twoMachinesColor[0] == 'w');
7101 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7102 if (appData.debugMode) {
7104 "Ignoring move out of turn by %s, gameMode %d"
7105 ", forwardMost %d\n",
7106 cps->which, gameMode, forwardMostMove);
7111 if (appData.debugMode) { int f = forwardMostMove;
7112 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7113 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7114 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7116 if(cps->alphaRank) AlphaRank(machineMove, 4);
7117 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7118 &fromX, &fromY, &toX, &toY, &promoChar)) {
7119 /* Machine move could not be parsed; ignore it. */
7120 sprintf(buf1, _("Illegal move \"%s\" from %s machine"),
7121 machineMove, cps->which);
7122 DisplayError(buf1, 0);
7123 sprintf(buf1, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7124 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7125 if (gameMode == TwoMachinesPlay) {
7126 GameEnds(machineWhite ? BlackWins : WhiteWins,
7132 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7133 /* So we have to redo legality test with true e.p. status here, */
7134 /* to make sure an illegal e.p. capture does not slip through, */
7135 /* to cause a forfeit on a justified illegal-move complaint */
7136 /* of the opponent. */
7137 if( gameMode==TwoMachinesPlay && appData.testLegality
7138 && fromY != DROP_RANK /* [HGM] temporary; should still add legality test for drops */
7141 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7142 fromY, fromX, toY, toX, promoChar);
7143 if (appData.debugMode) {
7145 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7146 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7147 fprintf(debugFP, "castling rights\n");
7149 if(moveType == IllegalMove) {
7150 sprintf(buf1, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7151 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7152 GameEnds(machineWhite ? BlackWins : WhiteWins,
7155 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7156 /* [HGM] Kludge to handle engines that send FRC-style castling
7157 when they shouldn't (like TSCP-Gothic) */
7159 case WhiteASideCastleFR:
7160 case BlackASideCastleFR:
7162 currentMoveString[2]++;
7164 case WhiteHSideCastleFR:
7165 case BlackHSideCastleFR:
7167 currentMoveString[2]--;
7169 default: ; // nothing to do, but suppresses warning of pedantic compilers
7172 hintRequested = FALSE;
7173 lastHint[0] = NULLCHAR;
7174 bookRequested = FALSE;
7175 /* Program may be pondering now */
7176 cps->maybeThinking = TRUE;
7177 if (cps->sendTime == 2) cps->sendTime = 1;
7178 if (cps->offeredDraw) cps->offeredDraw--;
7180 /* currentMoveString is set as a side-effect of ParseOneMove */
7181 strcpy(machineMove, currentMoveString);
7182 strcat(machineMove, "\n");
7183 strcpy(moveList[forwardMostMove], machineMove);
7185 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7187 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7188 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7191 while( count < adjudicateLossPlies ) {
7192 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7195 score = -score; /* Flip score for winning side */
7198 if( score > adjudicateLossThreshold ) {
7205 if( count >= adjudicateLossPlies ) {
7206 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7208 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7209 "Xboard adjudication",
7216 if(Adjudicate(cps)) return; // [HGM] adjudicate: for all automatic game ends
7219 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7221 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7222 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7224 SendMoveToICS(moveType, fromX, fromY, toX, toY);
7226 SendMoveToICS(moveType, fromX, fromY, toX, toY);
7228 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
7229 char buf[3*MSG_SIZ];
7231 sprintf(buf, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
7232 programStats.score / 100.,
7234 programStats.time / 100.,
7235 (unsigned int)programStats.nodes,
7236 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
7237 programStats.movelist);
7239 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
7244 /* [AS] Save move info and clear stats for next move */
7245 pvInfoList[ forwardMostMove-1 ].score = programStats.score;
7246 pvInfoList[ forwardMostMove-1 ].depth = programStats.depth;
7247 pvInfoList[ forwardMostMove-1 ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7248 ClearProgramStats();
7249 thinkOutput[0] = NULLCHAR;
7250 hiddenThinkOutputState = 0;
7253 if (gameMode == TwoMachinesPlay) {
7254 /* [HGM] relaying draw offers moved to after reception of move */
7255 /* and interpreting offer as claim if it brings draw condition */
7256 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
7257 SendToProgram("draw\n", cps->other);
7259 if (cps->other->sendTime) {
7260 SendTimeRemaining(cps->other,
7261 cps->other->twoMachinesColor[0] == 'w');
7263 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
7264 if (firstMove && !bookHit) {
7266 if (cps->other->useColors) {
7267 SendToProgram(cps->other->twoMachinesColor, cps->other);
7269 SendToProgram("go\n", cps->other);
7271 cps->other->maybeThinking = TRUE;
7274 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7276 if (!pausing && appData.ringBellAfterMoves) {
7281 * Reenable menu items that were disabled while
7282 * machine was thinking
7284 if (gameMode != TwoMachinesPlay)
7285 SetUserThinkingEnables();
7287 // [HGM] book: after book hit opponent has received move and is now in force mode
7288 // force the book reply into it, and then fake that it outputted this move by jumping
7289 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
7291 static char bookMove[MSG_SIZ]; // a bit generous?
7293 strcpy(bookMove, "move ");
7294 strcat(bookMove, bookHit);
7297 programStats.nodes = programStats.depth = programStats.time =
7298 programStats.score = programStats.got_only_move = 0;
7299 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7301 if(cps->lastPing != cps->lastPong) {
7302 savedMessage = message; // args for deferred call
7304 ScheduleDelayedEvent(DeferredBookMove, 10);
7313 /* Set special modes for chess engines. Later something general
7314 * could be added here; for now there is just one kludge feature,
7315 * needed because Crafty 15.10 and earlier don't ignore SIGINT
7316 * when "xboard" is given as an interactive command.
7318 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
7319 cps->useSigint = FALSE;
7320 cps->useSigterm = FALSE;
7322 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
7323 ParseFeatures(message+8, cps);
7324 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
7327 /* [HGM] Allow engine to set up a position. Don't ask me why one would
7328 * want this, I was asked to put it in, and obliged.
7330 if (!strncmp(message, "setboard ", 9)) {
7331 Board initial_position;
7333 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
7335 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
7336 DisplayError(_("Bad FEN received from engine"), 0);
7340 CopyBoard(boards[0], initial_position);
7341 initialRulePlies = FENrulePlies;
7342 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
7343 else gameMode = MachinePlaysBlack;
7344 DrawPosition(FALSE, boards[currentMove]);
7350 * Look for communication commands
7352 if (!strncmp(message, "telluser ", 9)) {
7353 EscapeExpand(message+9, message+9); // [HGM] esc: allow escape sequences in popup box
7354 DisplayNote(message + 9);
7357 if (!strncmp(message, "tellusererror ", 14)) {
7359 EscapeExpand(message+14, message+14); // [HGM] esc: allow escape sequences in popup box
7360 DisplayError(message + 14, 0);
7363 if (!strncmp(message, "tellopponent ", 13)) {
7364 if (appData.icsActive) {
7366 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
7370 DisplayNote(message + 13);
7374 if (!strncmp(message, "tellothers ", 11)) {
7375 if (appData.icsActive) {
7377 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
7383 if (!strncmp(message, "tellall ", 8)) {
7384 if (appData.icsActive) {
7386 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
7390 DisplayNote(message + 8);
7394 if (strncmp(message, "warning", 7) == 0) {
7395 /* Undocumented feature, use tellusererror in new code */
7396 DisplayError(message, 0);
7399 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
7400 strcpy(realname, cps->tidy);
7401 strcat(realname, " query");
7402 AskQuestion(realname, buf2, buf1, cps->pr);
7405 /* Commands from the engine directly to ICS. We don't allow these to be
7406 * sent until we are logged on. Crafty kibitzes have been known to
7407 * interfere with the login process.
7410 if (!strncmp(message, "tellics ", 8)) {
7411 SendToICS(message + 8);
7415 if (!strncmp(message, "tellicsnoalias ", 15)) {
7416 SendToICS(ics_prefix);
7417 SendToICS(message + 15);
7421 /* The following are for backward compatibility only */
7422 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
7423 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
7424 SendToICS(ics_prefix);
7430 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
7434 * If the move is illegal, cancel it and redraw the board.
7435 * Also deal with other error cases. Matching is rather loose
7436 * here to accommodate engines written before the spec.
7438 if (strncmp(message + 1, "llegal move", 11) == 0 ||
7439 strncmp(message, "Error", 5) == 0) {
7440 if (StrStr(message, "name") ||
7441 StrStr(message, "rating") || StrStr(message, "?") ||
7442 StrStr(message, "result") || StrStr(message, "board") ||
7443 StrStr(message, "bk") || StrStr(message, "computer") ||
7444 StrStr(message, "variant") || StrStr(message, "hint") ||
7445 StrStr(message, "random") || StrStr(message, "depth") ||
7446 StrStr(message, "accepted")) {
7449 if (StrStr(message, "protover")) {
7450 /* Program is responding to input, so it's apparently done
7451 initializing, and this error message indicates it is
7452 protocol version 1. So we don't need to wait any longer
7453 for it to initialize and send feature commands. */
7454 FeatureDone(cps, 1);
7455 cps->protocolVersion = 1;
7458 cps->maybeThinking = FALSE;
7460 if (StrStr(message, "draw")) {
7461 /* Program doesn't have "draw" command */
7462 cps->sendDrawOffers = 0;
7465 if (cps->sendTime != 1 &&
7466 (StrStr(message, "time") || StrStr(message, "otim"))) {
7467 /* Program apparently doesn't have "time" or "otim" command */
7471 if (StrStr(message, "analyze")) {
7472 cps->analysisSupport = FALSE;
7473 cps->analyzing = FALSE;
7475 sprintf(buf2, _("%s does not support analysis"), cps->tidy);
7476 DisplayError(buf2, 0);
7479 if (StrStr(message, "(no matching move)st")) {
7480 /* Special kludge for GNU Chess 4 only */
7481 cps->stKludge = TRUE;
7482 SendTimeControl(cps, movesPerSession, timeControl,
7483 timeIncrement, appData.searchDepth,
7487 if (StrStr(message, "(no matching move)sd")) {
7488 /* Special kludge for GNU Chess 4 only */
7489 cps->sdKludge = TRUE;
7490 SendTimeControl(cps, movesPerSession, timeControl,
7491 timeIncrement, appData.searchDepth,
7495 if (!StrStr(message, "llegal")) {
7498 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7499 gameMode == IcsIdle) return;
7500 if (forwardMostMove <= backwardMostMove) return;
7501 if (pausing) PauseEvent();
7502 if(appData.forceIllegal) {
7503 // [HGM] illegal: machine refused move; force position after move into it
7504 SendToProgram("force\n", cps);
7505 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
7506 // we have a real problem now, as SendBoard will use the a2a3 kludge
7507 // when black is to move, while there might be nothing on a2 or black
7508 // might already have the move. So send the board as if white has the move.
7509 // But first we must change the stm of the engine, as it refused the last move
7510 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
7511 if(WhiteOnMove(forwardMostMove)) {
7512 SendToProgram("a7a6\n", cps); // for the engine black still had the move
7513 SendBoard(cps, forwardMostMove); // kludgeless board
7515 SendToProgram("a2a3\n", cps); // for the engine white still had the move
7516 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7517 SendBoard(cps, forwardMostMove+1); // kludgeless board
7519 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
7520 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
7521 gameMode == TwoMachinesPlay)
7522 SendToProgram("go\n", cps);
7525 if (gameMode == PlayFromGameFile) {
7526 /* Stop reading this game file */
7527 gameMode = EditGame;
7530 currentMove = forwardMostMove-1;
7531 DisplayMove(currentMove-1); /* before DisplayMoveError */
7532 SwitchClocks(forwardMostMove-1); // [HGM] race
7533 DisplayBothClocks();
7534 sprintf(buf1, _("Illegal move \"%s\" (rejected by %s chess program)"),
7535 parseList[currentMove], cps->which);
7536 DisplayMoveError(buf1);
7537 DrawPosition(FALSE, boards[currentMove]);
7539 /* [HGM] illegal-move claim should forfeit game when Xboard */
7540 /* only passes fully legal moves */
7541 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
7542 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
7543 "False illegal-move claim", GE_XBOARD );
7547 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
7548 /* Program has a broken "time" command that
7549 outputs a string not ending in newline.
7555 * If chess program startup fails, exit with an error message.
7556 * Attempts to recover here are futile.
7558 if ((StrStr(message, "unknown host") != NULL)
7559 || (StrStr(message, "No remote directory") != NULL)
7560 || (StrStr(message, "not found") != NULL)
7561 || (StrStr(message, "No such file") != NULL)
7562 || (StrStr(message, "can't alloc") != NULL)
7563 || (StrStr(message, "Permission denied") != NULL)) {
7565 cps->maybeThinking = FALSE;
7566 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
7567 cps->which, cps->program, cps->host, message);
7568 RemoveInputSource(cps->isr);
7569 DisplayFatalError(buf1, 0, 1);
7574 * Look for hint output
7576 if (sscanf(message, "Hint: %s", buf1) == 1) {
7577 if (cps == &first && hintRequested) {
7578 hintRequested = FALSE;
7579 if (ParseOneMove(buf1, forwardMostMove, &moveType,
7580 &fromX, &fromY, &toX, &toY, &promoChar)) {
7581 (void) CoordsToAlgebraic(boards[forwardMostMove],
7582 PosFlags(forwardMostMove),
7583 fromY, fromX, toY, toX, promoChar, buf1);
7584 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
7585 DisplayInformation(buf2);
7587 /* Hint move could not be parsed!? */
7588 snprintf(buf2, sizeof(buf2),
7589 _("Illegal hint move \"%s\"\nfrom %s chess program"),
7591 DisplayError(buf2, 0);
7594 strcpy(lastHint, buf1);
7600 * Ignore other messages if game is not in progress
7602 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7603 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
7606 * look for win, lose, draw, or draw offer
7608 if (strncmp(message, "1-0", 3) == 0) {
7609 char *p, *q, *r = "";
7610 p = strchr(message, '{');
7618 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
7620 } else if (strncmp(message, "0-1", 3) == 0) {
7621 char *p, *q, *r = "";
7622 p = strchr(message, '{');
7630 /* Kludge for Arasan 4.1 bug */
7631 if (strcmp(r, "Black resigns") == 0) {
7632 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
7635 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
7637 } else if (strncmp(message, "1/2", 3) == 0) {
7638 char *p, *q, *r = "";
7639 p = strchr(message, '{');
7648 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
7651 } else if (strncmp(message, "White resign", 12) == 0) {
7652 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7654 } else if (strncmp(message, "Black resign", 12) == 0) {
7655 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7657 } else if (strncmp(message, "White matches", 13) == 0 ||
7658 strncmp(message, "Black matches", 13) == 0 ) {
7659 /* [HGM] ignore GNUShogi noises */
7661 } else if (strncmp(message, "White", 5) == 0 &&
7662 message[5] != '(' &&
7663 StrStr(message, "Black") == NULL) {
7664 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7666 } else if (strncmp(message, "Black", 5) == 0 &&
7667 message[5] != '(') {
7668 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7670 } else if (strcmp(message, "resign") == 0 ||
7671 strcmp(message, "computer resigns") == 0) {
7673 case MachinePlaysBlack:
7674 case IcsPlayingBlack:
7675 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
7677 case MachinePlaysWhite:
7678 case IcsPlayingWhite:
7679 GameEnds(BlackWins, "White resigns", GE_ENGINE);
7681 case TwoMachinesPlay:
7682 if (cps->twoMachinesColor[0] == 'w')
7683 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7685 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7692 } else if (strncmp(message, "opponent mates", 14) == 0) {
7694 case MachinePlaysBlack:
7695 case IcsPlayingBlack:
7696 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7698 case MachinePlaysWhite:
7699 case IcsPlayingWhite:
7700 GameEnds(BlackWins, "Black mates", GE_ENGINE);
7702 case TwoMachinesPlay:
7703 if (cps->twoMachinesColor[0] == 'w')
7704 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7706 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7713 } else if (strncmp(message, "computer mates", 14) == 0) {
7715 case MachinePlaysBlack:
7716 case IcsPlayingBlack:
7717 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
7719 case MachinePlaysWhite:
7720 case IcsPlayingWhite:
7721 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7723 case TwoMachinesPlay:
7724 if (cps->twoMachinesColor[0] == 'w')
7725 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7727 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7734 } else if (strncmp(message, "checkmate", 9) == 0) {
7735 if (WhiteOnMove(forwardMostMove)) {
7736 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7738 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7741 } else if (strstr(message, "Draw") != NULL ||
7742 strstr(message, "game is a draw") != NULL) {
7743 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
7745 } else if (strstr(message, "offer") != NULL &&
7746 strstr(message, "draw") != NULL) {
7748 if (appData.zippyPlay && first.initDone) {
7749 /* Relay offer to ICS */
7750 SendToICS(ics_prefix);
7751 SendToICS("draw\n");
7754 cps->offeredDraw = 2; /* valid until this engine moves twice */
7755 if (gameMode == TwoMachinesPlay) {
7756 if (cps->other->offeredDraw) {
7757 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7758 /* [HGM] in two-machine mode we delay relaying draw offer */
7759 /* until after we also have move, to see if it is really claim */
7761 } else if (gameMode == MachinePlaysWhite ||
7762 gameMode == MachinePlaysBlack) {
7763 if (userOfferedDraw) {
7764 DisplayInformation(_("Machine accepts your draw offer"));
7765 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7767 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
7774 * Look for thinking output
7776 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
7777 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7779 int plylev, mvleft, mvtot, curscore, time;
7780 char mvname[MOVE_LEN];
7784 int prefixHint = FALSE;
7785 mvname[0] = NULLCHAR;
7788 case MachinePlaysBlack:
7789 case IcsPlayingBlack:
7790 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7792 case MachinePlaysWhite:
7793 case IcsPlayingWhite:
7794 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7799 case IcsObserving: /* [DM] icsEngineAnalyze */
7800 if (!appData.icsEngineAnalyze) ignore = TRUE;
7802 case TwoMachinesPlay:
7803 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
7813 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
7815 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7816 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
7818 if (plyext != ' ' && plyext != '\t') {
7822 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7823 if( cps->scoreIsAbsolute &&
7824 ( gameMode == MachinePlaysBlack ||
7825 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
7826 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
7827 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
7828 !WhiteOnMove(currentMove)
7831 curscore = -curscore;
7835 tempStats.depth = plylev;
7836 tempStats.nodes = nodes;
7837 tempStats.time = time;
7838 tempStats.score = curscore;
7839 tempStats.got_only_move = 0;
7841 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
7844 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
7845 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
7846 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
7847 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
7848 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
7849 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
7850 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
7851 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
7854 /* Buffer overflow protection */
7855 if (buf1[0] != NULLCHAR) {
7856 if (strlen(buf1) >= sizeof(tempStats.movelist)
7857 && appData.debugMode) {
7859 "PV is too long; using the first %u bytes.\n",
7860 (unsigned) sizeof(tempStats.movelist) - 1);
7863 safeStrCpy( tempStats.movelist, buf1, sizeof(tempStats.movelist) );
7865 sprintf(tempStats.movelist, " no PV\n");
7868 if (tempStats.seen_stat) {
7869 tempStats.ok_to_send = 1;
7872 if (strchr(tempStats.movelist, '(') != NULL) {
7873 tempStats.line_is_book = 1;
7874 tempStats.nr_moves = 0;
7875 tempStats.moves_left = 0;
7877 tempStats.line_is_book = 0;
7880 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
7881 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
7883 SendProgramStatsToFrontend( cps, &tempStats );
7886 [AS] Protect the thinkOutput buffer from overflow... this
7887 is only useful if buf1 hasn't overflowed first!
7889 sprintf(thinkOutput, "[%d]%c%+.2f %s%s",
7891 (gameMode == TwoMachinesPlay ?
7892 ToUpper(cps->twoMachinesColor[0]) : ' '),
7893 ((double) curscore) / 100.0,
7894 prefixHint ? lastHint : "",
7895 prefixHint ? " " : "" );
7897 if( buf1[0] != NULLCHAR ) {
7898 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
7900 if( strlen(buf1) > max_len ) {
7901 if( appData.debugMode) {
7902 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
7904 buf1[max_len+1] = '\0';
7907 strcat( thinkOutput, buf1 );
7910 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
7911 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7912 DisplayMove(currentMove - 1);
7916 } else if ((p=StrStr(message, "(only move)")) != NULL) {
7917 /* crafty (9.25+) says "(only move) <move>"
7918 * if there is only 1 legal move
7920 sscanf(p, "(only move) %s", buf1);
7921 sprintf(thinkOutput, "%s (only move)", buf1);
7922 sprintf(programStats.movelist, "%s (only move)", buf1);
7923 programStats.depth = 1;
7924 programStats.nr_moves = 1;
7925 programStats.moves_left = 1;
7926 programStats.nodes = 1;
7927 programStats.time = 1;
7928 programStats.got_only_move = 1;
7930 /* Not really, but we also use this member to
7931 mean "line isn't going to change" (Crafty
7932 isn't searching, so stats won't change) */
7933 programStats.line_is_book = 1;
7935 SendProgramStatsToFrontend( cps, &programStats );
7937 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
7938 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7939 DisplayMove(currentMove - 1);
7942 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
7943 &time, &nodes, &plylev, &mvleft,
7944 &mvtot, mvname) >= 5) {
7945 /* The stat01: line is from Crafty (9.29+) in response
7946 to the "." command */
7947 programStats.seen_stat = 1;
7948 cps->maybeThinking = TRUE;
7950 if (programStats.got_only_move || !appData.periodicUpdates)
7953 programStats.depth = plylev;
7954 programStats.time = time;
7955 programStats.nodes = nodes;
7956 programStats.moves_left = mvleft;
7957 programStats.nr_moves = mvtot;
7958 strcpy(programStats.move_name, mvname);
7959 programStats.ok_to_send = 1;
7960 programStats.movelist[0] = '\0';
7962 SendProgramStatsToFrontend( cps, &programStats );
7966 } else if (strncmp(message,"++",2) == 0) {
7967 /* Crafty 9.29+ outputs this */
7968 programStats.got_fail = 2;
7971 } else if (strncmp(message,"--",2) == 0) {
7972 /* Crafty 9.29+ outputs this */
7973 programStats.got_fail = 1;
7976 } else if (thinkOutput[0] != NULLCHAR &&
7977 strncmp(message, " ", 4) == 0) {
7978 unsigned message_len;
7981 while (*p && *p == ' ') p++;
7983 message_len = strlen( p );
7985 /* [AS] Avoid buffer overflow */
7986 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
7987 strcat(thinkOutput, " ");
7988 strcat(thinkOutput, p);
7991 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
7992 strcat(programStats.movelist, " ");
7993 strcat(programStats.movelist, p);
7996 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
7997 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7998 DisplayMove(currentMove - 1);
8006 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8007 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8009 ChessProgramStats cpstats;
8011 if (plyext != ' ' && plyext != '\t') {
8015 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8016 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8017 curscore = -curscore;
8020 cpstats.depth = plylev;
8021 cpstats.nodes = nodes;
8022 cpstats.time = time;
8023 cpstats.score = curscore;
8024 cpstats.got_only_move = 0;
8025 cpstats.movelist[0] = '\0';
8027 if (buf1[0] != NULLCHAR) {
8028 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist) );
8031 cpstats.ok_to_send = 0;
8032 cpstats.line_is_book = 0;
8033 cpstats.nr_moves = 0;
8034 cpstats.moves_left = 0;
8036 SendProgramStatsToFrontend( cps, &cpstats );
8043 /* Parse a game score from the character string "game", and
8044 record it as the history of the current game. The game
8045 score is NOT assumed to start from the standard position.
8046 The display is not updated in any way.
8049 ParseGameHistory(game)
8053 int fromX, fromY, toX, toY, boardIndex;
8058 if (appData.debugMode)
8059 fprintf(debugFP, "Parsing game history: %s\n", game);
8061 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8062 gameInfo.site = StrSave(appData.icsHost);
8063 gameInfo.date = PGNDate();
8064 gameInfo.round = StrSave("-");
8066 /* Parse out names of players */
8067 while (*game == ' ') game++;
8069 while (*game != ' ') *p++ = *game++;
8071 gameInfo.white = StrSave(buf);
8072 while (*game == ' ') game++;
8074 while (*game != ' ' && *game != '\n') *p++ = *game++;
8076 gameInfo.black = StrSave(buf);
8079 boardIndex = blackPlaysFirst ? 1 : 0;
8082 yyboardindex = boardIndex;
8083 moveType = (ChessMove) yylex();
8085 case IllegalMove: /* maybe suicide chess, etc. */
8086 if (appData.debugMode) {
8087 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8088 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8089 setbuf(debugFP, NULL);
8091 case WhitePromotionChancellor:
8092 case BlackPromotionChancellor:
8093 case WhitePromotionArchbishop:
8094 case BlackPromotionArchbishop:
8095 case WhitePromotionQueen:
8096 case BlackPromotionQueen:
8097 case WhitePromotionRook:
8098 case BlackPromotionRook:
8099 case WhitePromotionBishop:
8100 case BlackPromotionBishop:
8101 case WhitePromotionKnight:
8102 case BlackPromotionKnight:
8103 case WhitePromotionKing:
8104 case BlackPromotionKing:
8106 case WhiteCapturesEnPassant:
8107 case BlackCapturesEnPassant:
8108 case WhiteKingSideCastle:
8109 case WhiteQueenSideCastle:
8110 case BlackKingSideCastle:
8111 case BlackQueenSideCastle:
8112 case WhiteKingSideCastleWild:
8113 case WhiteQueenSideCastleWild:
8114 case BlackKingSideCastleWild:
8115 case BlackQueenSideCastleWild:
8117 case WhiteHSideCastleFR:
8118 case WhiteASideCastleFR:
8119 case BlackHSideCastleFR:
8120 case BlackASideCastleFR:
8122 fromX = currentMoveString[0] - AAA;
8123 fromY = currentMoveString[1] - ONE;
8124 toX = currentMoveString[2] - AAA;
8125 toY = currentMoveString[3] - ONE;
8126 promoChar = currentMoveString[4];
8130 fromX = moveType == WhiteDrop ?
8131 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8132 (int) CharToPiece(ToLower(currentMoveString[0]));
8134 toX = currentMoveString[2] - AAA;
8135 toY = currentMoveString[3] - ONE;
8136 promoChar = NULLCHAR;
8140 sprintf(buf, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8141 if (appData.debugMode) {
8142 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8143 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8144 setbuf(debugFP, NULL);
8146 DisplayError(buf, 0);
8148 case ImpossibleMove:
8150 sprintf(buf, _("Illegal move in ICS output: \"%s\""), yy_text);
8151 if (appData.debugMode) {
8152 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8153 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8154 setbuf(debugFP, NULL);
8156 DisplayError(buf, 0);
8158 case (ChessMove) 0: /* end of file */
8159 if (boardIndex < backwardMostMove) {
8160 /* Oops, gap. How did that happen? */
8161 DisplayError(_("Gap in move list"), 0);
8164 backwardMostMove = blackPlaysFirst ? 1 : 0;
8165 if (boardIndex > forwardMostMove) {
8166 forwardMostMove = boardIndex;
8170 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8171 strcat(parseList[boardIndex-1], " ");
8172 strcat(parseList[boardIndex-1], yy_text);
8184 case GameUnfinished:
8185 if (gameMode == IcsExamining) {
8186 if (boardIndex < backwardMostMove) {
8187 /* Oops, gap. How did that happen? */
8190 backwardMostMove = blackPlaysFirst ? 1 : 0;
8193 gameInfo.result = moveType;
8194 p = strchr(yy_text, '{');
8195 if (p == NULL) p = strchr(yy_text, '(');
8198 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8200 q = strchr(p, *p == '{' ? '}' : ')');
8201 if (q != NULL) *q = NULLCHAR;
8204 gameInfo.resultDetails = StrSave(p);
8207 if (boardIndex >= forwardMostMove &&
8208 !(gameMode == IcsObserving && ics_gamenum == -1)) {
8209 backwardMostMove = blackPlaysFirst ? 1 : 0;
8212 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
8213 fromY, fromX, toY, toX, promoChar,
8214 parseList[boardIndex]);
8215 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
8216 /* currentMoveString is set as a side-effect of yylex */
8217 strcpy(moveList[boardIndex], currentMoveString);
8218 strcat(moveList[boardIndex], "\n");
8220 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
8221 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
8227 if(gameInfo.variant != VariantShogi)
8228 strcat(parseList[boardIndex - 1], "+");
8232 strcat(parseList[boardIndex - 1], "#");
8239 /* Apply a move to the given board */
8241 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
8242 int fromX, fromY, toX, toY;
8246 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
8247 int promoRank = gameInfo.variant == VariantMakruk ? 3 : 1;
8249 /* [HGM] compute & store e.p. status and castling rights for new position */
8250 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
8253 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
8254 oldEP = (signed char)board[EP_STATUS];
8255 board[EP_STATUS] = EP_NONE;
8257 if( board[toY][toX] != EmptySquare )
8258 board[EP_STATUS] = EP_CAPTURE;
8260 if( board[fromY][fromX] == WhitePawn ) {
8261 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8262 board[EP_STATUS] = EP_PAWN_MOVE;
8264 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
8265 gameInfo.variant != VariantBerolina || toX < fromX)
8266 board[EP_STATUS] = toX | berolina;
8267 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
8268 gameInfo.variant != VariantBerolina || toX > fromX)
8269 board[EP_STATUS] = toX;
8272 if( board[fromY][fromX] == BlackPawn ) {
8273 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8274 board[EP_STATUS] = EP_PAWN_MOVE;
8275 if( toY-fromY== -2) {
8276 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
8277 gameInfo.variant != VariantBerolina || toX < fromX)
8278 board[EP_STATUS] = toX | berolina;
8279 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
8280 gameInfo.variant != VariantBerolina || toX > fromX)
8281 board[EP_STATUS] = toX;
8285 for(i=0; i<nrCastlingRights; i++) {
8286 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
8287 board[CASTLING][i] == toX && castlingRank[i] == toY
8288 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
8293 /* [HGM] In Shatranj and Courier all promotions are to Ferz */
8294 if((gameInfo.variant==VariantShatranj || gameInfo.variant==VariantCourier || gameInfo.variant == VariantMakruk)
8295 && promoChar != 0) promoChar = PieceToChar(WhiteFerz);
8297 if (fromX == toX && fromY == toY) return;
8299 if (fromY == DROP_RANK) {
8301 piece = board[toY][toX] = (ChessSquare) fromX;
8303 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
8304 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
8305 if(gameInfo.variant == VariantKnightmate)
8306 king += (int) WhiteUnicorn - (int) WhiteKing;
8308 /* Code added by Tord: */
8309 /* FRC castling assumed when king captures friendly rook. */
8310 if (board[fromY][fromX] == WhiteKing &&
8311 board[toY][toX] == WhiteRook) {
8312 board[fromY][fromX] = EmptySquare;
8313 board[toY][toX] = EmptySquare;
8315 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
8317 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
8319 } else if (board[fromY][fromX] == BlackKing &&
8320 board[toY][toX] == BlackRook) {
8321 board[fromY][fromX] = EmptySquare;
8322 board[toY][toX] = EmptySquare;
8324 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
8326 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
8328 /* End of code added by Tord */
8330 } else if (board[fromY][fromX] == king
8331 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8332 && toY == fromY && toX > fromX+1) {
8333 board[fromY][fromX] = EmptySquare;
8334 board[toY][toX] = king;
8335 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8336 board[fromY][BOARD_RGHT-1] = EmptySquare;
8337 } else if (board[fromY][fromX] == king
8338 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8339 && toY == fromY && toX < fromX-1) {
8340 board[fromY][fromX] = EmptySquare;
8341 board[toY][toX] = king;
8342 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8343 board[fromY][BOARD_LEFT] = EmptySquare;
8344 } else if (board[fromY][fromX] == WhitePawn
8345 && toY >= BOARD_HEIGHT-promoRank
8346 && gameInfo.variant != VariantXiangqi
8348 /* white pawn promotion */
8349 board[toY][toX] = CharToPiece(ToUpper(promoChar));
8350 if (board[toY][toX] == EmptySquare) {
8351 board[toY][toX] = WhiteQueen;
8353 if(gameInfo.variant==VariantBughouse ||
8354 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8355 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8356 board[fromY][fromX] = EmptySquare;
8357 } else if ((fromY == BOARD_HEIGHT-4)
8359 && gameInfo.variant != VariantXiangqi
8360 && gameInfo.variant != VariantBerolina
8361 && (board[fromY][fromX] == WhitePawn)
8362 && (board[toY][toX] == EmptySquare)) {
8363 board[fromY][fromX] = EmptySquare;
8364 board[toY][toX] = WhitePawn;
8365 captured = board[toY - 1][toX];
8366 board[toY - 1][toX] = EmptySquare;
8367 } else if ((fromY == BOARD_HEIGHT-4)
8369 && gameInfo.variant == VariantBerolina
8370 && (board[fromY][fromX] == WhitePawn)
8371 && (board[toY][toX] == EmptySquare)) {
8372 board[fromY][fromX] = EmptySquare;
8373 board[toY][toX] = WhitePawn;
8374 if(oldEP & EP_BEROLIN_A) {
8375 captured = board[fromY][fromX-1];
8376 board[fromY][fromX-1] = EmptySquare;
8377 }else{ captured = board[fromY][fromX+1];
8378 board[fromY][fromX+1] = EmptySquare;
8380 } else if (board[fromY][fromX] == king
8381 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8382 && toY == fromY && toX > fromX+1) {
8383 board[fromY][fromX] = EmptySquare;
8384 board[toY][toX] = king;
8385 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8386 board[fromY][BOARD_RGHT-1] = EmptySquare;
8387 } else if (board[fromY][fromX] == king
8388 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8389 && toY == fromY && toX < fromX-1) {
8390 board[fromY][fromX] = EmptySquare;
8391 board[toY][toX] = king;
8392 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8393 board[fromY][BOARD_LEFT] = EmptySquare;
8394 } else if (fromY == 7 && fromX == 3
8395 && board[fromY][fromX] == BlackKing
8396 && toY == 7 && toX == 5) {
8397 board[fromY][fromX] = EmptySquare;
8398 board[toY][toX] = BlackKing;
8399 board[fromY][7] = EmptySquare;
8400 board[toY][4] = BlackRook;
8401 } else if (fromY == 7 && fromX == 3
8402 && board[fromY][fromX] == BlackKing
8403 && toY == 7 && toX == 1) {
8404 board[fromY][fromX] = EmptySquare;
8405 board[toY][toX] = BlackKing;
8406 board[fromY][0] = EmptySquare;
8407 board[toY][2] = BlackRook;
8408 } else if (board[fromY][fromX] == BlackPawn
8410 && gameInfo.variant != VariantXiangqi
8412 /* black pawn promotion */
8413 board[toY][toX] = CharToPiece(ToLower(promoChar));
8414 if (board[toY][toX] == EmptySquare) {
8415 board[toY][toX] = BlackQueen;
8417 if(gameInfo.variant==VariantBughouse ||
8418 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8419 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8420 board[fromY][fromX] = EmptySquare;
8421 } else if ((fromY == 3)
8423 && gameInfo.variant != VariantXiangqi
8424 && gameInfo.variant != VariantBerolina
8425 && (board[fromY][fromX] == BlackPawn)
8426 && (board[toY][toX] == EmptySquare)) {
8427 board[fromY][fromX] = EmptySquare;
8428 board[toY][toX] = BlackPawn;
8429 captured = board[toY + 1][toX];
8430 board[toY + 1][toX] = EmptySquare;
8431 } else if ((fromY == 3)
8433 && gameInfo.variant == VariantBerolina
8434 && (board[fromY][fromX] == BlackPawn)
8435 && (board[toY][toX] == EmptySquare)) {
8436 board[fromY][fromX] = EmptySquare;
8437 board[toY][toX] = BlackPawn;
8438 if(oldEP & EP_BEROLIN_A) {
8439 captured = board[fromY][fromX-1];
8440 board[fromY][fromX-1] = EmptySquare;
8441 }else{ captured = board[fromY][fromX+1];
8442 board[fromY][fromX+1] = EmptySquare;
8445 board[toY][toX] = board[fromY][fromX];
8446 board[fromY][fromX] = EmptySquare;
8449 /* [HGM] now we promote for Shogi, if needed */
8450 if(gameInfo.variant == VariantShogi && promoChar == 'q')
8451 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8454 if (gameInfo.holdingsWidth != 0) {
8456 /* !!A lot more code needs to be written to support holdings */
8457 /* [HGM] OK, so I have written it. Holdings are stored in the */
8458 /* penultimate board files, so they are automaticlly stored */
8459 /* in the game history. */
8460 if (fromY == DROP_RANK) {
8461 /* Delete from holdings, by decreasing count */
8462 /* and erasing image if necessary */
8464 if(p < (int) BlackPawn) { /* white drop */
8465 p -= (int)WhitePawn;
8466 p = PieceToNumber((ChessSquare)p);
8467 if(p >= gameInfo.holdingsSize) p = 0;
8468 if(--board[p][BOARD_WIDTH-2] <= 0)
8469 board[p][BOARD_WIDTH-1] = EmptySquare;
8470 if((int)board[p][BOARD_WIDTH-2] < 0)
8471 board[p][BOARD_WIDTH-2] = 0;
8472 } else { /* black drop */
8473 p -= (int)BlackPawn;
8474 p = PieceToNumber((ChessSquare)p);
8475 if(p >= gameInfo.holdingsSize) p = 0;
8476 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
8477 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
8478 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
8479 board[BOARD_HEIGHT-1-p][1] = 0;
8482 if (captured != EmptySquare && gameInfo.holdingsSize > 0
8483 && gameInfo.variant != VariantBughouse ) {
8484 /* [HGM] holdings: Add to holdings, if holdings exist */
8485 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
8486 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
8487 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
8490 if (p >= (int) BlackPawn) {
8491 p -= (int)BlackPawn;
8492 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8493 /* in Shogi restore piece to its original first */
8494 captured = (ChessSquare) (DEMOTED captured);
8497 p = PieceToNumber((ChessSquare)p);
8498 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
8499 board[p][BOARD_WIDTH-2]++;
8500 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
8502 p -= (int)WhitePawn;
8503 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8504 captured = (ChessSquare) (DEMOTED captured);
8507 p = PieceToNumber((ChessSquare)p);
8508 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
8509 board[BOARD_HEIGHT-1-p][1]++;
8510 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
8513 } else if (gameInfo.variant == VariantAtomic) {
8514 if (captured != EmptySquare) {
8516 for (y = toY-1; y <= toY+1; y++) {
8517 for (x = toX-1; x <= toX+1; x++) {
8518 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
8519 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
8520 board[y][x] = EmptySquare;
8524 board[toY][toX] = EmptySquare;
8527 if(gameInfo.variant == VariantShogi && promoChar != NULLCHAR && promoChar != '=') {
8528 /* [HGM] Shogi promotions */
8529 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8532 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8533 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
8534 // [HGM] superchess: take promotion piece out of holdings
8535 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
8536 if((int)piece < (int)BlackPawn) { // determine stm from piece color
8537 if(!--board[k][BOARD_WIDTH-2])
8538 board[k][BOARD_WIDTH-1] = EmptySquare;
8540 if(!--board[BOARD_HEIGHT-1-k][1])
8541 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
8547 /* Updates forwardMostMove */
8549 MakeMove(fromX, fromY, toX, toY, promoChar)
8550 int fromX, fromY, toX, toY;
8553 // forwardMostMove++; // [HGM] bare: moved downstream
8555 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
8556 int timeLeft; static int lastLoadFlag=0; int king, piece;
8557 piece = boards[forwardMostMove][fromY][fromX];
8558 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
8559 if(gameInfo.variant == VariantKnightmate)
8560 king += (int) WhiteUnicorn - (int) WhiteKing;
8561 if(forwardMostMove == 0) {
8563 fprintf(serverMoves, "%s;", second.tidy);
8564 fprintf(serverMoves, "%s;", first.tidy);
8565 if(!blackPlaysFirst)
8566 fprintf(serverMoves, "%s;", second.tidy);
8567 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
8568 lastLoadFlag = loadFlag;
8570 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
8571 // print castling suffix
8572 if( toY == fromY && piece == king ) {
8574 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
8576 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
8579 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
8580 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
8581 boards[forwardMostMove][toY][toX] == EmptySquare
8583 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
8585 if(promoChar != NULLCHAR)
8586 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
8588 fprintf(serverMoves, "/%d/%d",
8589 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
8590 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
8591 else timeLeft = blackTimeRemaining/1000;
8592 fprintf(serverMoves, "/%d", timeLeft);
8594 fflush(serverMoves);
8597 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
8598 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
8602 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
8603 if (commentList[forwardMostMove+1] != NULL) {
8604 free(commentList[forwardMostMove+1]);
8605 commentList[forwardMostMove+1] = NULL;
8607 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8608 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
8609 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
8610 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
8611 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
8612 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
8613 gameInfo.result = GameUnfinished;
8614 if (gameInfo.resultDetails != NULL) {
8615 free(gameInfo.resultDetails);
8616 gameInfo.resultDetails = NULL;
8618 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
8619 moveList[forwardMostMove - 1]);
8620 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
8621 PosFlags(forwardMostMove - 1),
8622 fromY, fromX, toY, toX, promoChar,
8623 parseList[forwardMostMove - 1]);
8624 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8630 if(gameInfo.variant != VariantShogi)
8631 strcat(parseList[forwardMostMove - 1], "+");
8635 strcat(parseList[forwardMostMove - 1], "#");
8638 if (appData.debugMode) {
8639 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
8644 /* Updates currentMove if not pausing */
8646 ShowMove(fromX, fromY, toX, toY)
8648 int instant = (gameMode == PlayFromGameFile) ?
8649 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
8650 if(appData.noGUI) return;
8651 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
8653 if (forwardMostMove == currentMove + 1) {
8654 AnimateMove(boards[forwardMostMove - 1],
8655 fromX, fromY, toX, toY);
8657 if (appData.highlightLastMove) {
8658 SetHighlights(fromX, fromY, toX, toY);
8661 currentMove = forwardMostMove;
8664 if (instant) return;
8666 DisplayMove(currentMove - 1);
8667 DrawPosition(FALSE, boards[currentMove]);
8668 DisplayBothClocks();
8669 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
8672 void SendEgtPath(ChessProgramState *cps)
8673 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
8674 char buf[MSG_SIZ], name[MSG_SIZ], *p;
8676 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
8679 char c, *q = name+1, *r, *s;
8681 name[0] = ','; // extract next format name from feature and copy with prefixed ','
8682 while(*p && *p != ',') *q++ = *p++;
8684 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
8685 strcmp(name, ",nalimov:") == 0 ) {
8686 // take nalimov path from the menu-changeable option first, if it is defined
8687 sprintf(buf, "egtpath nalimov %s\n", appData.defaultPathEGTB);
8688 SendToProgram(buf,cps); // send egtbpath command for nalimov
8690 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
8691 (s = StrStr(appData.egtFormats, name)) != NULL) {
8692 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
8693 s = r = StrStr(s, ":") + 1; // beginning of path info
8694 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
8695 c = *r; *r = 0; // temporarily null-terminate path info
8696 *--q = 0; // strip of trailig ':' from name
8697 sprintf(buf, "egtpath %s %s\n", name+1, s);
8699 SendToProgram(buf,cps); // send egtbpath command for this format
8701 if(*p == ',') p++; // read away comma to position for next format name
8706 InitChessProgram(cps, setup)
8707 ChessProgramState *cps;
8708 int setup; /* [HGM] needed to setup FRC opening position */
8710 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
8711 if (appData.noChessProgram) return;
8712 hintRequested = FALSE;
8713 bookRequested = FALSE;
8715 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
8716 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
8717 if(cps->memSize) { /* [HGM] memory */
8718 sprintf(buf, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
8719 SendToProgram(buf, cps);
8721 SendEgtPath(cps); /* [HGM] EGT */
8722 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
8723 sprintf(buf, "cores %d\n", appData.smpCores);
8724 SendToProgram(buf, cps);
8727 SendToProgram(cps->initString, cps);
8728 if (gameInfo.variant != VariantNormal &&
8729 gameInfo.variant != VariantLoadable
8730 /* [HGM] also send variant if board size non-standard */
8731 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
8733 char *v = VariantName(gameInfo.variant);
8734 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
8735 /* [HGM] in protocol 1 we have to assume all variants valid */
8736 sprintf(buf, _("Variant %s not supported by %s"), v, cps->tidy);
8737 DisplayFatalError(buf, 0, 1);
8741 /* [HGM] make prefix for non-standard board size. Awkward testing... */
8742 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8743 if( gameInfo.variant == VariantXiangqi )
8744 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
8745 if( gameInfo.variant == VariantShogi )
8746 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
8747 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
8748 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
8749 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
8750 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
8751 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8752 if( gameInfo.variant == VariantCourier )
8753 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8754 if( gameInfo.variant == VariantSuper )
8755 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8756 if( gameInfo.variant == VariantGreat )
8757 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8760 sprintf(b, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
8761 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
8762 /* [HGM] varsize: try first if this defiant size variant is specifically known */
8763 if(StrStr(cps->variants, b) == NULL) {
8764 // specific sized variant not known, check if general sizing allowed
8765 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
8766 if(StrStr(cps->variants, "boardsize") == NULL) {
8767 sprintf(buf, "Board size %dx%d+%d not supported by %s",
8768 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
8769 DisplayFatalError(buf, 0, 1);
8772 /* [HGM] here we really should compare with the maximum supported board size */
8775 } else sprintf(b, "%s", VariantName(gameInfo.variant));
8776 sprintf(buf, "variant %s\n", b);
8777 SendToProgram(buf, cps);
8779 currentlyInitializedVariant = gameInfo.variant;
8781 /* [HGM] send opening position in FRC to first engine */
8783 SendToProgram("force\n", cps);
8785 /* engine is now in force mode! Set flag to wake it up after first move. */
8786 setboardSpoiledMachineBlack = 1;
8790 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
8791 SendToProgram(buf, cps);
8793 cps->maybeThinking = FALSE;
8794 cps->offeredDraw = 0;
8795 if (!appData.icsActive) {
8796 SendTimeControl(cps, movesPerSession, timeControl,
8797 timeIncrement, appData.searchDepth,
8800 if (appData.showThinking
8801 // [HGM] thinking: four options require thinking output to be sent
8802 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8804 SendToProgram("post\n", cps);
8806 SendToProgram("hard\n", cps);
8807 if (!appData.ponderNextMove) {
8808 /* Warning: "easy" is a toggle in GNU Chess, so don't send
8809 it without being sure what state we are in first. "hard"
8810 is not a toggle, so that one is OK.
8812 SendToProgram("easy\n", cps);
8815 sprintf(buf, "ping %d\n", ++cps->lastPing);
8816 SendToProgram(buf, cps);
8818 cps->initDone = TRUE;
8823 StartChessProgram(cps)
8824 ChessProgramState *cps;
8829 if (appData.noChessProgram) return;
8830 cps->initDone = FALSE;
8832 if (strcmp(cps->host, "localhost") == 0) {
8833 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
8834 } else if (*appData.remoteShell == NULLCHAR) {
8835 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
8837 if (*appData.remoteUser == NULLCHAR) {
8838 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
8841 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
8842 cps->host, appData.remoteUser, cps->program);
8844 err = StartChildProcess(buf, "", &cps->pr);
8848 sprintf(buf, _("Startup failure on '%s'"), cps->program);
8849 DisplayFatalError(buf, err, 1);
8855 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
8856 if (cps->protocolVersion > 1) {
8857 sprintf(buf, "xboard\nprotover %d\n", cps->protocolVersion);
8858 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
8859 cps->comboCnt = 0; // and values of combo boxes
8860 SendToProgram(buf, cps);
8862 SendToProgram("xboard\n", cps);
8868 TwoMachinesEventIfReady P((void))
8870 if (first.lastPing != first.lastPong) {
8871 DisplayMessage("", _("Waiting for first chess program"));
8872 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8875 if (second.lastPing != second.lastPong) {
8876 DisplayMessage("", _("Waiting for second chess program"));
8877 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8885 NextMatchGame P((void))
8887 int index; /* [HGM] autoinc: step load index during match */
8889 if (*appData.loadGameFile != NULLCHAR) {
8890 index = appData.loadGameIndex;
8891 if(index < 0) { // [HGM] autoinc
8892 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8893 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8895 LoadGameFromFile(appData.loadGameFile,
8897 appData.loadGameFile, FALSE);
8898 } else if (*appData.loadPositionFile != NULLCHAR) {
8899 index = appData.loadPositionIndex;
8900 if(index < 0) { // [HGM] autoinc
8901 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8902 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8904 LoadPositionFromFile(appData.loadPositionFile,
8906 appData.loadPositionFile);
8908 TwoMachinesEventIfReady();
8911 void UserAdjudicationEvent( int result )
8913 ChessMove gameResult = GameIsDrawn;
8916 gameResult = WhiteWins;
8918 else if( result < 0 ) {
8919 gameResult = BlackWins;
8922 if( gameMode == TwoMachinesPlay ) {
8923 GameEnds( gameResult, "User adjudication", GE_XBOARD );
8928 // [HGM] save: calculate checksum of game to make games easily identifiable
8929 int StringCheckSum(char *s)
8932 if(s==NULL) return 0;
8933 while(*s) i = i*259 + *s++;
8940 for(i=backwardMostMove; i<forwardMostMove; i++) {
8941 sum += pvInfoList[i].depth;
8942 sum += StringCheckSum(parseList[i]);
8943 sum += StringCheckSum(commentList[i]);
8946 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
8947 return sum + StringCheckSum(commentList[i]);
8948 } // end of save patch
8951 GameEnds(result, resultDetails, whosays)
8953 char *resultDetails;
8956 GameMode nextGameMode;
8960 if(endingGame) return; /* [HGM] crash: forbid recursion */
8962 if(twoBoards) { // [HGM] dual: switch back to one board
8963 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
8964 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
8966 if (appData.debugMode) {
8967 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
8968 result, resultDetails ? resultDetails : "(null)", whosays);
8971 fromX = fromY = -1; // [HGM] abort any move the user is entering.
8973 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
8974 /* If we are playing on ICS, the server decides when the
8975 game is over, but the engine can offer to draw, claim
8979 if (appData.zippyPlay && first.initDone) {
8980 if (result == GameIsDrawn) {
8981 /* In case draw still needs to be claimed */
8982 SendToICS(ics_prefix);
8983 SendToICS("draw\n");
8984 } else if (StrCaseStr(resultDetails, "resign")) {
8985 SendToICS(ics_prefix);
8986 SendToICS("resign\n");
8990 endingGame = 0; /* [HGM] crash */
8994 /* If we're loading the game from a file, stop */
8995 if (whosays == GE_FILE) {
8996 (void) StopLoadGameTimer();
9000 /* Cancel draw offers */
9001 first.offeredDraw = second.offeredDraw = 0;
9003 /* If this is an ICS game, only ICS can really say it's done;
9004 if not, anyone can. */
9005 isIcsGame = (gameMode == IcsPlayingWhite ||
9006 gameMode == IcsPlayingBlack ||
9007 gameMode == IcsObserving ||
9008 gameMode == IcsExamining);
9010 if (!isIcsGame || whosays == GE_ICS) {
9011 /* OK -- not an ICS game, or ICS said it was done */
9013 if (!isIcsGame && !appData.noChessProgram)
9014 SetUserThinkingEnables();
9016 /* [HGM] if a machine claims the game end we verify this claim */
9017 if(gameMode == TwoMachinesPlay && appData.testClaims) {
9018 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
9020 ChessMove trueResult = (ChessMove) -1;
9022 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
9023 first.twoMachinesColor[0] :
9024 second.twoMachinesColor[0] ;
9026 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
9027 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
9028 /* [HGM] verify: engine mate claims accepted if they were flagged */
9029 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
9031 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
9032 /* [HGM] verify: engine mate claims accepted if they were flagged */
9033 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
9035 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
9036 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
9039 // now verify win claims, but not in drop games, as we don't understand those yet
9040 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
9041 || gameInfo.variant == VariantGreat) &&
9042 (result == WhiteWins && claimer == 'w' ||
9043 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
9044 if (appData.debugMode) {
9045 fprintf(debugFP, "result=%d sp=%d move=%d\n",
9046 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
9048 if(result != trueResult) {
9049 sprintf(buf, "False win claim: '%s'", resultDetails);
9050 result = claimer == 'w' ? BlackWins : WhiteWins;
9051 resultDetails = buf;
9054 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
9055 && (forwardMostMove <= backwardMostMove ||
9056 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
9057 (claimer=='b')==(forwardMostMove&1))
9059 /* [HGM] verify: draws that were not flagged are false claims */
9060 sprintf(buf, "False draw claim: '%s'", resultDetails);
9061 result = claimer == 'w' ? BlackWins : WhiteWins;
9062 resultDetails = buf;
9064 /* (Claiming a loss is accepted no questions asked!) */
9066 /* [HGM] bare: don't allow bare King to win */
9067 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
9068 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
9069 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
9070 && result != GameIsDrawn)
9071 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
9072 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
9073 int p = (signed char)boards[forwardMostMove][i][j] - color;
9074 if(p >= 0 && p <= (int)WhiteKing) k++;
9076 if (appData.debugMode) {
9077 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
9078 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
9081 result = GameIsDrawn;
9082 sprintf(buf, "%s but bare king", resultDetails);
9083 resultDetails = buf;
9089 if(serverMoves != NULL && !loadFlag) { char c = '=';
9090 if(result==WhiteWins) c = '+';
9091 if(result==BlackWins) c = '-';
9092 if(resultDetails != NULL)
9093 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
9095 if (resultDetails != NULL) {
9096 gameInfo.result = result;
9097 gameInfo.resultDetails = StrSave(resultDetails);
9099 /* display last move only if game was not loaded from file */
9100 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
9101 DisplayMove(currentMove - 1);
9103 if (forwardMostMove != 0) {
9104 if (gameMode != PlayFromGameFile && gameMode != EditGame
9105 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
9107 if (*appData.saveGameFile != NULLCHAR) {
9108 SaveGameToFile(appData.saveGameFile, TRUE);
9109 } else if (appData.autoSaveGames) {
9112 if (*appData.savePositionFile != NULLCHAR) {
9113 SavePositionToFile(appData.savePositionFile);
9118 /* Tell program how game ended in case it is learning */
9119 /* [HGM] Moved this to after saving the PGN, just in case */
9120 /* engine died and we got here through time loss. In that */
9121 /* case we will get a fatal error writing the pipe, which */
9122 /* would otherwise lose us the PGN. */
9123 /* [HGM] crash: not needed anymore, but doesn't hurt; */
9124 /* output during GameEnds should never be fatal anymore */
9125 if (gameMode == MachinePlaysWhite ||
9126 gameMode == MachinePlaysBlack ||
9127 gameMode == TwoMachinesPlay ||
9128 gameMode == IcsPlayingWhite ||
9129 gameMode == IcsPlayingBlack ||
9130 gameMode == BeginningOfGame) {
9132 sprintf(buf, "result %s {%s}\n", PGNResult(result),
9134 if (first.pr != NoProc) {
9135 SendToProgram(buf, &first);
9137 if (second.pr != NoProc &&
9138 gameMode == TwoMachinesPlay) {
9139 SendToProgram(buf, &second);
9144 if (appData.icsActive) {
9145 if (appData.quietPlay &&
9146 (gameMode == IcsPlayingWhite ||
9147 gameMode == IcsPlayingBlack)) {
9148 SendToICS(ics_prefix);
9149 SendToICS("set shout 1\n");
9151 nextGameMode = IcsIdle;
9152 ics_user_moved = FALSE;
9153 /* clean up premove. It's ugly when the game has ended and the
9154 * premove highlights are still on the board.
9158 ClearPremoveHighlights();
9159 DrawPosition(FALSE, boards[currentMove]);
9161 if (whosays == GE_ICS) {
9164 if (gameMode == IcsPlayingWhite)
9166 else if(gameMode == IcsPlayingBlack)
9170 if (gameMode == IcsPlayingBlack)
9172 else if(gameMode == IcsPlayingWhite)
9179 PlayIcsUnfinishedSound();
9182 } else if (gameMode == EditGame ||
9183 gameMode == PlayFromGameFile ||
9184 gameMode == AnalyzeMode ||
9185 gameMode == AnalyzeFile) {
9186 nextGameMode = gameMode;
9188 nextGameMode = EndOfGame;
9193 nextGameMode = gameMode;
9196 if (appData.noChessProgram) {
9197 gameMode = nextGameMode;
9199 endingGame = 0; /* [HGM] crash */
9204 /* Put first chess program into idle state */
9205 if (first.pr != NoProc &&
9206 (gameMode == MachinePlaysWhite ||
9207 gameMode == MachinePlaysBlack ||
9208 gameMode == TwoMachinesPlay ||
9209 gameMode == IcsPlayingWhite ||
9210 gameMode == IcsPlayingBlack ||
9211 gameMode == BeginningOfGame)) {
9212 SendToProgram("force\n", &first);
9213 if (first.usePing) {
9215 sprintf(buf, "ping %d\n", ++first.lastPing);
9216 SendToProgram(buf, &first);
9219 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9220 /* Kill off first chess program */
9221 if (first.isr != NULL)
9222 RemoveInputSource(first.isr);
9225 if (first.pr != NoProc) {
9227 DoSleep( appData.delayBeforeQuit );
9228 SendToProgram("quit\n", &first);
9229 DoSleep( appData.delayAfterQuit );
9230 DestroyChildProcess(first.pr, first.useSigterm);
9235 /* Put second chess program into idle state */
9236 if (second.pr != NoProc &&
9237 gameMode == TwoMachinesPlay) {
9238 SendToProgram("force\n", &second);
9239 if (second.usePing) {
9241 sprintf(buf, "ping %d\n", ++second.lastPing);
9242 SendToProgram(buf, &second);
9245 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9246 /* Kill off second chess program */
9247 if (second.isr != NULL)
9248 RemoveInputSource(second.isr);
9251 if (second.pr != NoProc) {
9252 DoSleep( appData.delayBeforeQuit );
9253 SendToProgram("quit\n", &second);
9254 DoSleep( appData.delayAfterQuit );
9255 DestroyChildProcess(second.pr, second.useSigterm);
9260 if (matchMode && gameMode == TwoMachinesPlay) {
9263 if (first.twoMachinesColor[0] == 'w') {
9270 if (first.twoMachinesColor[0] == 'b') {
9279 if (matchGame < appData.matchGames) {
9281 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
9282 tmp = first.twoMachinesColor;
9283 first.twoMachinesColor = second.twoMachinesColor;
9284 second.twoMachinesColor = tmp;
9286 gameMode = nextGameMode;
9288 if(appData.matchPause>10000 || appData.matchPause<10)
9289 appData.matchPause = 10000; /* [HGM] make pause adjustable */
9290 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
9291 endingGame = 0; /* [HGM] crash */
9295 gameMode = nextGameMode;
9296 sprintf(buf, _("Match %s vs. %s: final score %d-%d-%d"),
9297 first.tidy, second.tidy,
9298 first.matchWins, second.matchWins,
9299 appData.matchGames - (first.matchWins + second.matchWins));
9300 DisplayFatalError(buf, 0, 0);
9303 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
9304 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
9306 gameMode = nextGameMode;
9308 endingGame = 0; /* [HGM] crash */
9311 /* Assumes program was just initialized (initString sent).
9312 Leaves program in force mode. */
9314 FeedMovesToProgram(cps, upto)
9315 ChessProgramState *cps;
9320 if (appData.debugMode)
9321 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
9322 startedFromSetupPosition ? "position and " : "",
9323 backwardMostMove, upto, cps->which);
9324 if(currentlyInitializedVariant != gameInfo.variant) { char buf[MSG_SIZ];
9325 // [HGM] variantswitch: make engine aware of new variant
9326 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
9327 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
9328 sprintf(buf, "variant %s\n", VariantName(gameInfo.variant));
9329 SendToProgram(buf, cps);
9330 currentlyInitializedVariant = gameInfo.variant;
9332 SendToProgram("force\n", cps);
9333 if (startedFromSetupPosition) {
9334 SendBoard(cps, backwardMostMove);
9335 if (appData.debugMode) {
9336 fprintf(debugFP, "feedMoves\n");
9339 for (i = backwardMostMove; i < upto; i++) {
9340 SendMoveToProgram(i, cps);
9346 ResurrectChessProgram()
9348 /* The chess program may have exited.
9349 If so, restart it and feed it all the moves made so far. */
9351 if (appData.noChessProgram || first.pr != NoProc) return;
9353 StartChessProgram(&first);
9354 InitChessProgram(&first, FALSE);
9355 FeedMovesToProgram(&first, currentMove);
9357 if (!first.sendTime) {
9358 /* can't tell gnuchess what its clock should read,
9359 so we bow to its notion. */
9361 timeRemaining[0][currentMove] = whiteTimeRemaining;
9362 timeRemaining[1][currentMove] = blackTimeRemaining;
9365 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
9366 appData.icsEngineAnalyze) && first.analysisSupport) {
9367 SendToProgram("analyze\n", &first);
9368 first.analyzing = TRUE;
9381 if (appData.debugMode) {
9382 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
9383 redraw, init, gameMode);
9385 CleanupTail(); // [HGM] vari: delete any stored variations
9386 pausing = pauseExamInvalid = FALSE;
9387 startedFromSetupPosition = blackPlaysFirst = FALSE;
9389 whiteFlag = blackFlag = FALSE;
9390 userOfferedDraw = FALSE;
9391 hintRequested = bookRequested = FALSE;
9392 first.maybeThinking = FALSE;
9393 second.maybeThinking = FALSE;
9394 first.bookSuspend = FALSE; // [HGM] book
9395 second.bookSuspend = FALSE;
9396 thinkOutput[0] = NULLCHAR;
9397 lastHint[0] = NULLCHAR;
9398 ClearGameInfo(&gameInfo);
9399 gameInfo.variant = StringToVariant(appData.variant);
9400 ics_user_moved = ics_clock_paused = FALSE;
9401 ics_getting_history = H_FALSE;
9403 white_holding[0] = black_holding[0] = NULLCHAR;
9404 ClearProgramStats();
9405 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
9409 flipView = appData.flipView;
9410 ClearPremoveHighlights();
9412 alarmSounded = FALSE;
9414 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
9415 if(appData.serverMovesName != NULL) {
9416 /* [HGM] prepare to make moves file for broadcasting */
9417 clock_t t = clock();
9418 if(serverMoves != NULL) fclose(serverMoves);
9419 serverMoves = fopen(appData.serverMovesName, "r");
9420 if(serverMoves != NULL) {
9421 fclose(serverMoves);
9422 /* delay 15 sec before overwriting, so all clients can see end */
9423 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
9425 serverMoves = fopen(appData.serverMovesName, "w");
9429 gameMode = BeginningOfGame;
9431 if(appData.icsActive) gameInfo.variant = VariantNormal;
9432 currentMove = forwardMostMove = backwardMostMove = 0;
9433 InitPosition(redraw);
9434 for (i = 0; i < MAX_MOVES; i++) {
9435 if (commentList[i] != NULL) {
9436 free(commentList[i]);
9437 commentList[i] = NULL;
9441 timeRemaining[0][0] = whiteTimeRemaining;
9442 timeRemaining[1][0] = blackTimeRemaining;
9443 if (first.pr == NULL) {
9444 StartChessProgram(&first);
9447 InitChessProgram(&first, startedFromSetupPosition);
9450 DisplayMessage("", "");
9451 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9452 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
9459 if (!AutoPlayOneMove())
9461 if (matchMode || appData.timeDelay == 0)
9463 if (appData.timeDelay < 0 || gameMode == AnalyzeFile)
9465 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
9474 int fromX, fromY, toX, toY;
9476 if (appData.debugMode) {
9477 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
9480 if (gameMode != PlayFromGameFile)
9483 if (currentMove >= forwardMostMove) {
9484 gameMode = EditGame;
9487 /* [AS] Clear current move marker at the end of a game */
9488 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
9493 toX = moveList[currentMove][2] - AAA;
9494 toY = moveList[currentMove][3] - ONE;
9496 if (moveList[currentMove][1] == '@') {
9497 if (appData.highlightLastMove) {
9498 SetHighlights(-1, -1, toX, toY);
9501 fromX = moveList[currentMove][0] - AAA;
9502 fromY = moveList[currentMove][1] - ONE;
9504 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
9506 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
9508 if (appData.highlightLastMove) {
9509 SetHighlights(fromX, fromY, toX, toY);
9512 DisplayMove(currentMove);
9513 SendMoveToProgram(currentMove++, &first);
9514 DisplayBothClocks();
9515 DrawPosition(FALSE, boards[currentMove]);
9516 // [HGM] PV info: always display, routine tests if empty
9517 DisplayComment(currentMove - 1, commentList[currentMove]);
9523 LoadGameOneMove(readAhead)
9524 ChessMove readAhead;
9526 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
9527 char promoChar = NULLCHAR;
9532 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
9533 gameMode != AnalyzeMode && gameMode != Training) {
9538 yyboardindex = forwardMostMove;
9539 if (readAhead != (ChessMove)0) {
9540 moveType = readAhead;
9542 if (gameFileFP == NULL)
9544 moveType = (ChessMove) yylex();
9550 if (appData.debugMode)
9551 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9554 /* append the comment but don't display it */
9555 AppendComment(currentMove, p, FALSE);
9558 case WhiteCapturesEnPassant:
9559 case BlackCapturesEnPassant:
9560 case WhitePromotionChancellor:
9561 case BlackPromotionChancellor:
9562 case WhitePromotionArchbishop:
9563 case BlackPromotionArchbishop:
9564 case WhitePromotionCentaur:
9565 case BlackPromotionCentaur:
9566 case WhitePromotionQueen:
9567 case BlackPromotionQueen:
9568 case WhitePromotionRook:
9569 case BlackPromotionRook:
9570 case WhitePromotionBishop:
9571 case BlackPromotionBishop:
9572 case WhitePromotionKnight:
9573 case BlackPromotionKnight:
9574 case WhitePromotionKing:
9575 case BlackPromotionKing:
9577 case WhiteKingSideCastle:
9578 case WhiteQueenSideCastle:
9579 case BlackKingSideCastle:
9580 case BlackQueenSideCastle:
9581 case WhiteKingSideCastleWild:
9582 case WhiteQueenSideCastleWild:
9583 case BlackKingSideCastleWild:
9584 case BlackQueenSideCastleWild:
9586 case WhiteHSideCastleFR:
9587 case WhiteASideCastleFR:
9588 case BlackHSideCastleFR:
9589 case BlackASideCastleFR:
9591 if (appData.debugMode)
9592 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9593 fromX = currentMoveString[0] - AAA;
9594 fromY = currentMoveString[1] - ONE;
9595 toX = currentMoveString[2] - AAA;
9596 toY = currentMoveString[3] - ONE;
9597 promoChar = currentMoveString[4];
9602 if (appData.debugMode)
9603 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9604 fromX = moveType == WhiteDrop ?
9605 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9606 (int) CharToPiece(ToLower(currentMoveString[0]));
9608 toX = currentMoveString[2] - AAA;
9609 toY = currentMoveString[3] - ONE;
9615 case GameUnfinished:
9616 if (appData.debugMode)
9617 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
9618 p = strchr(yy_text, '{');
9619 if (p == NULL) p = strchr(yy_text, '(');
9622 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9624 q = strchr(p, *p == '{' ? '}' : ')');
9625 if (q != NULL) *q = NULLCHAR;
9628 GameEnds(moveType, p, GE_FILE);
9630 if (cmailMsgLoaded) {
9632 flipView = WhiteOnMove(currentMove);
9633 if (moveType == GameUnfinished) flipView = !flipView;
9634 if (appData.debugMode)
9635 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
9639 case (ChessMove) 0: /* end of file */
9640 if (appData.debugMode)
9641 fprintf(debugFP, "Parser hit end of file\n");
9642 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9648 if (WhiteOnMove(currentMove)) {
9649 GameEnds(BlackWins, "Black mates", GE_FILE);
9651 GameEnds(WhiteWins, "White mates", GE_FILE);
9655 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9662 if (lastLoadGameStart == GNUChessGame) {
9663 /* GNUChessGames have numbers, but they aren't move numbers */
9664 if (appData.debugMode)
9665 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9666 yy_text, (int) moveType);
9667 return LoadGameOneMove((ChessMove)0); /* tail recursion */
9669 /* else fall thru */
9674 /* Reached start of next game in file */
9675 if (appData.debugMode)
9676 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
9677 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9683 if (WhiteOnMove(currentMove)) {
9684 GameEnds(BlackWins, "Black mates", GE_FILE);
9686 GameEnds(WhiteWins, "White mates", GE_FILE);
9690 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9696 case PositionDiagram: /* should not happen; ignore */
9697 case ElapsedTime: /* ignore */
9698 case NAG: /* ignore */
9699 if (appData.debugMode)
9700 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9701 yy_text, (int) moveType);
9702 return LoadGameOneMove((ChessMove)0); /* tail recursion */
9705 if (appData.testLegality) {
9706 if (appData.debugMode)
9707 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
9708 sprintf(move, _("Illegal move: %d.%s%s"),
9709 (forwardMostMove / 2) + 1,
9710 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9711 DisplayError(move, 0);
9714 if (appData.debugMode)
9715 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
9716 yy_text, currentMoveString);
9717 fromX = currentMoveString[0] - AAA;
9718 fromY = currentMoveString[1] - ONE;
9719 toX = currentMoveString[2] - AAA;
9720 toY = currentMoveString[3] - ONE;
9721 promoChar = currentMoveString[4];
9726 if (appData.debugMode)
9727 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
9728 sprintf(move, _("Ambiguous move: %d.%s%s"),
9729 (forwardMostMove / 2) + 1,
9730 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9731 DisplayError(move, 0);
9736 case ImpossibleMove:
9737 if (appData.debugMode)
9738 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
9739 sprintf(move, _("Illegal move: %d.%s%s"),
9740 (forwardMostMove / 2) + 1,
9741 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9742 DisplayError(move, 0);
9748 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
9749 DrawPosition(FALSE, boards[currentMove]);
9750 DisplayBothClocks();
9751 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
9752 DisplayComment(currentMove - 1, commentList[currentMove]);
9754 (void) StopLoadGameTimer();
9756 cmailOldMove = forwardMostMove;
9759 /* currentMoveString is set as a side-effect of yylex */
9760 strcat(currentMoveString, "\n");
9761 strcpy(moveList[forwardMostMove], currentMoveString);
9763 thinkOutput[0] = NULLCHAR;
9764 MakeMove(fromX, fromY, toX, toY, promoChar);
9765 currentMove = forwardMostMove;
9770 /* Load the nth game from the given file */
9772 LoadGameFromFile(filename, n, title, useList)
9776 /*Boolean*/ int useList;
9781 if (strcmp(filename, "-") == 0) {
9785 f = fopen(filename, "rb");
9787 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9788 DisplayError(buf, errno);
9792 if (fseek(f, 0, 0) == -1) {
9793 /* f is not seekable; probably a pipe */
9796 if (useList && n == 0) {
9797 int error = GameListBuild(f);
9799 DisplayError(_("Cannot build game list"), error);
9800 } else if (!ListEmpty(&gameList) &&
9801 ((ListGame *) gameList.tailPred)->number > 1) {
9802 GameListPopUp(f, title);
9809 return LoadGame(f, n, title, FALSE);
9814 MakeRegisteredMove()
9816 int fromX, fromY, toX, toY;
9818 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9819 switch (cmailMoveType[lastLoadGameNumber - 1]) {
9822 if (appData.debugMode)
9823 fprintf(debugFP, "Restoring %s for game %d\n",
9824 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
9826 thinkOutput[0] = NULLCHAR;
9827 strcpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1]);
9828 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
9829 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
9830 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
9831 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
9832 promoChar = cmailMove[lastLoadGameNumber - 1][4];
9833 MakeMove(fromX, fromY, toX, toY, promoChar);
9834 ShowMove(fromX, fromY, toX, toY);
9836 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9843 if (WhiteOnMove(currentMove)) {
9844 GameEnds(BlackWins, "Black mates", GE_PLAYER);
9846 GameEnds(WhiteWins, "White mates", GE_PLAYER);
9851 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
9858 if (WhiteOnMove(currentMove)) {
9859 GameEnds(BlackWins, "White resigns", GE_PLAYER);
9861 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
9866 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
9877 /* Wrapper around LoadGame for use when a Cmail message is loaded */
9879 CmailLoadGame(f, gameNumber, title, useList)
9887 if (gameNumber > nCmailGames) {
9888 DisplayError(_("No more games in this message"), 0);
9891 if (f == lastLoadGameFP) {
9892 int offset = gameNumber - lastLoadGameNumber;
9894 cmailMsg[0] = NULLCHAR;
9895 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9896 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
9897 nCmailMovesRegistered--;
9899 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
9900 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
9901 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
9904 if (! RegisterMove()) return FALSE;
9908 retVal = LoadGame(f, gameNumber, title, useList);
9910 /* Make move registered during previous look at this game, if any */
9911 MakeRegisteredMove();
9913 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
9914 commentList[currentMove]
9915 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
9916 DisplayComment(currentMove - 1, commentList[currentMove]);
9922 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
9927 int gameNumber = lastLoadGameNumber + offset;
9928 if (lastLoadGameFP == NULL) {
9929 DisplayError(_("No game has been loaded yet"), 0);
9932 if (gameNumber <= 0) {
9933 DisplayError(_("Can't back up any further"), 0);
9936 if (cmailMsgLoaded) {
9937 return CmailLoadGame(lastLoadGameFP, gameNumber,
9938 lastLoadGameTitle, lastLoadGameUseList);
9940 return LoadGame(lastLoadGameFP, gameNumber,
9941 lastLoadGameTitle, lastLoadGameUseList);
9947 /* Load the nth game from open file f */
9949 LoadGame(f, gameNumber, title, useList)
9957 int gn = gameNumber;
9958 ListGame *lg = NULL;
9961 GameMode oldGameMode;
9962 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
9964 if (appData.debugMode)
9965 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
9967 if (gameMode == Training )
9968 SetTrainingModeOff();
9970 oldGameMode = gameMode;
9971 if (gameMode != BeginningOfGame) {
9976 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
9977 fclose(lastLoadGameFP);
9981 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
9984 fseek(f, lg->offset, 0);
9985 GameListHighlight(gameNumber);
9989 DisplayError(_("Game number out of range"), 0);
9994 if (fseek(f, 0, 0) == -1) {
9995 if (f == lastLoadGameFP ?
9996 gameNumber == lastLoadGameNumber + 1 :
10000 DisplayError(_("Can't seek on game file"), 0);
10005 lastLoadGameFP = f;
10006 lastLoadGameNumber = gameNumber;
10007 strcpy(lastLoadGameTitle, title);
10008 lastLoadGameUseList = useList;
10012 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
10013 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
10014 lg->gameInfo.black);
10016 } else if (*title != NULLCHAR) {
10017 if (gameNumber > 1) {
10018 sprintf(buf, "%s %d", title, gameNumber);
10021 DisplayTitle(title);
10025 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
10026 gameMode = PlayFromGameFile;
10030 currentMove = forwardMostMove = backwardMostMove = 0;
10031 CopyBoard(boards[0], initialPosition);
10035 * Skip the first gn-1 games in the file.
10036 * Also skip over anything that precedes an identifiable
10037 * start of game marker, to avoid being confused by
10038 * garbage at the start of the file. Currently
10039 * recognized start of game markers are the move number "1",
10040 * the pattern "gnuchess .* game", the pattern
10041 * "^[#;%] [^ ]* game file", and a PGN tag block.
10042 * A game that starts with one of the latter two patterns
10043 * will also have a move number 1, possibly
10044 * following a position diagram.
10045 * 5-4-02: Let's try being more lenient and allowing a game to
10046 * start with an unnumbered move. Does that break anything?
10048 cm = lastLoadGameStart = (ChessMove) 0;
10050 yyboardindex = forwardMostMove;
10051 cm = (ChessMove) yylex();
10053 case (ChessMove) 0:
10054 if (cmailMsgLoaded) {
10055 nCmailGames = CMAIL_MAX_GAMES - gn;
10058 DisplayError(_("Game not found in file"), 0);
10065 lastLoadGameStart = cm;
10068 case MoveNumberOne:
10069 switch (lastLoadGameStart) {
10074 case MoveNumberOne:
10075 case (ChessMove) 0:
10076 gn--; /* count this game */
10077 lastLoadGameStart = cm;
10086 switch (lastLoadGameStart) {
10089 case MoveNumberOne:
10090 case (ChessMove) 0:
10091 gn--; /* count this game */
10092 lastLoadGameStart = cm;
10095 lastLoadGameStart = cm; /* game counted already */
10103 yyboardindex = forwardMostMove;
10104 cm = (ChessMove) yylex();
10105 } while (cm == PGNTag || cm == Comment);
10112 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
10113 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
10114 != CMAIL_OLD_RESULT) {
10116 cmailResult[ CMAIL_MAX_GAMES
10117 - gn - 1] = CMAIL_OLD_RESULT;
10123 /* Only a NormalMove can be at the start of a game
10124 * without a position diagram. */
10125 if (lastLoadGameStart == (ChessMove) 0) {
10127 lastLoadGameStart = MoveNumberOne;
10136 if (appData.debugMode)
10137 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
10139 if (cm == XBoardGame) {
10140 /* Skip any header junk before position diagram and/or move 1 */
10142 yyboardindex = forwardMostMove;
10143 cm = (ChessMove) yylex();
10145 if (cm == (ChessMove) 0 ||
10146 cm == GNUChessGame || cm == XBoardGame) {
10147 /* Empty game; pretend end-of-file and handle later */
10148 cm = (ChessMove) 0;
10152 if (cm == MoveNumberOne || cm == PositionDiagram ||
10153 cm == PGNTag || cm == Comment)
10156 } else if (cm == GNUChessGame) {
10157 if (gameInfo.event != NULL) {
10158 free(gameInfo.event);
10160 gameInfo.event = StrSave(yy_text);
10163 startedFromSetupPosition = FALSE;
10164 while (cm == PGNTag) {
10165 if (appData.debugMode)
10166 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
10167 err = ParsePGNTag(yy_text, &gameInfo);
10168 if (!err) numPGNTags++;
10170 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
10171 if(gameInfo.variant != oldVariant) {
10172 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
10173 InitPosition(TRUE);
10174 oldVariant = gameInfo.variant;
10175 if (appData.debugMode)
10176 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
10180 if (gameInfo.fen != NULL) {
10181 Board initial_position;
10182 startedFromSetupPosition = TRUE;
10183 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
10185 DisplayError(_("Bad FEN position in file"), 0);
10188 CopyBoard(boards[0], initial_position);
10189 if (blackPlaysFirst) {
10190 currentMove = forwardMostMove = backwardMostMove = 1;
10191 CopyBoard(boards[1], initial_position);
10192 strcpy(moveList[0], "");
10193 strcpy(parseList[0], "");
10194 timeRemaining[0][1] = whiteTimeRemaining;
10195 timeRemaining[1][1] = blackTimeRemaining;
10196 if (commentList[0] != NULL) {
10197 commentList[1] = commentList[0];
10198 commentList[0] = NULL;
10201 currentMove = forwardMostMove = backwardMostMove = 0;
10203 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
10205 initialRulePlies = FENrulePlies;
10206 for( i=0; i< nrCastlingRights; i++ )
10207 initialRights[i] = initial_position[CASTLING][i];
10209 yyboardindex = forwardMostMove;
10210 free(gameInfo.fen);
10211 gameInfo.fen = NULL;
10214 yyboardindex = forwardMostMove;
10215 cm = (ChessMove) yylex();
10217 /* Handle comments interspersed among the tags */
10218 while (cm == Comment) {
10220 if (appData.debugMode)
10221 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10223 AppendComment(currentMove, p, FALSE);
10224 yyboardindex = forwardMostMove;
10225 cm = (ChessMove) yylex();
10229 /* don't rely on existence of Event tag since if game was
10230 * pasted from clipboard the Event tag may not exist
10232 if (numPGNTags > 0){
10234 if (gameInfo.variant == VariantNormal) {
10235 VariantClass v = StringToVariant(gameInfo.event);
10236 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
10237 if(v < VariantShogi) gameInfo.variant = v;
10240 if( appData.autoDisplayTags ) {
10241 tags = PGNTags(&gameInfo);
10242 TagsPopUp(tags, CmailMsg());
10247 /* Make something up, but don't display it now */
10252 if (cm == PositionDiagram) {
10255 Board initial_position;
10257 if (appData.debugMode)
10258 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
10260 if (!startedFromSetupPosition) {
10262 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
10263 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
10273 initial_position[i][j++] = CharToPiece(*p);
10276 while (*p == ' ' || *p == '\t' ||
10277 *p == '\n' || *p == '\r') p++;
10279 if (strncmp(p, "black", strlen("black"))==0)
10280 blackPlaysFirst = TRUE;
10282 blackPlaysFirst = FALSE;
10283 startedFromSetupPosition = TRUE;
10285 CopyBoard(boards[0], initial_position);
10286 if (blackPlaysFirst) {
10287 currentMove = forwardMostMove = backwardMostMove = 1;
10288 CopyBoard(boards[1], initial_position);
10289 strcpy(moveList[0], "");
10290 strcpy(parseList[0], "");
10291 timeRemaining[0][1] = whiteTimeRemaining;
10292 timeRemaining[1][1] = blackTimeRemaining;
10293 if (commentList[0] != NULL) {
10294 commentList[1] = commentList[0];
10295 commentList[0] = NULL;
10298 currentMove = forwardMostMove = backwardMostMove = 0;
10301 yyboardindex = forwardMostMove;
10302 cm = (ChessMove) yylex();
10305 if (first.pr == NoProc) {
10306 StartChessProgram(&first);
10308 InitChessProgram(&first, FALSE);
10309 SendToProgram("force\n", &first);
10310 if (startedFromSetupPosition) {
10311 SendBoard(&first, forwardMostMove);
10312 if (appData.debugMode) {
10313 fprintf(debugFP, "Load Game\n");
10315 DisplayBothClocks();
10318 /* [HGM] server: flag to write setup moves in broadcast file as one */
10319 loadFlag = appData.suppressLoadMoves;
10321 while (cm == Comment) {
10323 if (appData.debugMode)
10324 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10326 AppendComment(currentMove, p, FALSE);
10327 yyboardindex = forwardMostMove;
10328 cm = (ChessMove) yylex();
10331 if ((cm == (ChessMove) 0 && lastLoadGameStart != (ChessMove) 0) ||
10332 cm == WhiteWins || cm == BlackWins ||
10333 cm == GameIsDrawn || cm == GameUnfinished) {
10334 DisplayMessage("", _("No moves in game"));
10335 if (cmailMsgLoaded) {
10336 if (appData.debugMode)
10337 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
10341 DrawPosition(FALSE, boards[currentMove]);
10342 DisplayBothClocks();
10343 gameMode = EditGame;
10350 // [HGM] PV info: routine tests if comment empty
10351 if (!matchMode && (pausing || appData.timeDelay != 0)) {
10352 DisplayComment(currentMove - 1, commentList[currentMove]);
10354 if (!matchMode && appData.timeDelay != 0)
10355 DrawPosition(FALSE, boards[currentMove]);
10357 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
10358 programStats.ok_to_send = 1;
10361 /* if the first token after the PGN tags is a move
10362 * and not move number 1, retrieve it from the parser
10364 if (cm != MoveNumberOne)
10365 LoadGameOneMove(cm);
10367 /* load the remaining moves from the file */
10368 while (LoadGameOneMove((ChessMove)0)) {
10369 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10370 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10373 /* rewind to the start of the game */
10374 currentMove = backwardMostMove;
10376 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10378 if (oldGameMode == AnalyzeFile ||
10379 oldGameMode == AnalyzeMode) {
10380 AnalyzeFileEvent();
10383 if (matchMode || appData.timeDelay == 0) {
10385 gameMode = EditGame;
10387 } else if (appData.timeDelay > 0) {
10388 AutoPlayGameLoop();
10391 if (appData.debugMode)
10392 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
10394 loadFlag = 0; /* [HGM] true game starts */
10398 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
10400 ReloadPosition(offset)
10403 int positionNumber = lastLoadPositionNumber + offset;
10404 if (lastLoadPositionFP == NULL) {
10405 DisplayError(_("No position has been loaded yet"), 0);
10408 if (positionNumber <= 0) {
10409 DisplayError(_("Can't back up any further"), 0);
10412 return LoadPosition(lastLoadPositionFP, positionNumber,
10413 lastLoadPositionTitle);
10416 /* Load the nth position from the given file */
10418 LoadPositionFromFile(filename, n, title)
10426 if (strcmp(filename, "-") == 0) {
10427 return LoadPosition(stdin, n, "stdin");
10429 f = fopen(filename, "rb");
10431 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10432 DisplayError(buf, errno);
10435 return LoadPosition(f, n, title);
10440 /* Load the nth position from the given open file, and close it */
10442 LoadPosition(f, positionNumber, title)
10444 int positionNumber;
10447 char *p, line[MSG_SIZ];
10448 Board initial_position;
10449 int i, j, fenMode, pn;
10451 if (gameMode == Training )
10452 SetTrainingModeOff();
10454 if (gameMode != BeginningOfGame) {
10455 Reset(FALSE, TRUE);
10457 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
10458 fclose(lastLoadPositionFP);
10460 if (positionNumber == 0) positionNumber = 1;
10461 lastLoadPositionFP = f;
10462 lastLoadPositionNumber = positionNumber;
10463 strcpy(lastLoadPositionTitle, title);
10464 if (first.pr == NoProc) {
10465 StartChessProgram(&first);
10466 InitChessProgram(&first, FALSE);
10468 pn = positionNumber;
10469 if (positionNumber < 0) {
10470 /* Negative position number means to seek to that byte offset */
10471 if (fseek(f, -positionNumber, 0) == -1) {
10472 DisplayError(_("Can't seek on position file"), 0);
10477 if (fseek(f, 0, 0) == -1) {
10478 if (f == lastLoadPositionFP ?
10479 positionNumber == lastLoadPositionNumber + 1 :
10480 positionNumber == 1) {
10483 DisplayError(_("Can't seek on position file"), 0);
10488 /* See if this file is FEN or old-style xboard */
10489 if (fgets(line, MSG_SIZ, f) == NULL) {
10490 DisplayError(_("Position not found in file"), 0);
10493 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
10494 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
10497 if (fenMode || line[0] == '#') pn--;
10499 /* skip positions before number pn */
10500 if (fgets(line, MSG_SIZ, f) == NULL) {
10502 DisplayError(_("Position not found in file"), 0);
10505 if (fenMode || line[0] == '#') pn--;
10510 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
10511 DisplayError(_("Bad FEN position in file"), 0);
10515 (void) fgets(line, MSG_SIZ, f);
10516 (void) fgets(line, MSG_SIZ, f);
10518 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
10519 (void) fgets(line, MSG_SIZ, f);
10520 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
10523 initial_position[i][j++] = CharToPiece(*p);
10527 blackPlaysFirst = FALSE;
10529 (void) fgets(line, MSG_SIZ, f);
10530 if (strncmp(line, "black", strlen("black"))==0)
10531 blackPlaysFirst = TRUE;
10534 startedFromSetupPosition = TRUE;
10536 SendToProgram("force\n", &first);
10537 CopyBoard(boards[0], initial_position);
10538 if (blackPlaysFirst) {
10539 currentMove = forwardMostMove = backwardMostMove = 1;
10540 strcpy(moveList[0], "");
10541 strcpy(parseList[0], "");
10542 CopyBoard(boards[1], initial_position);
10543 DisplayMessage("", _("Black to play"));
10545 currentMove = forwardMostMove = backwardMostMove = 0;
10546 DisplayMessage("", _("White to play"));
10548 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
10549 SendBoard(&first, forwardMostMove);
10550 if (appData.debugMode) {
10552 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
10553 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
10554 fprintf(debugFP, "Load Position\n");
10557 if (positionNumber > 1) {
10558 sprintf(line, "%s %d", title, positionNumber);
10559 DisplayTitle(line);
10561 DisplayTitle(title);
10563 gameMode = EditGame;
10566 timeRemaining[0][1] = whiteTimeRemaining;
10567 timeRemaining[1][1] = blackTimeRemaining;
10568 DrawPosition(FALSE, boards[currentMove]);
10575 CopyPlayerNameIntoFileName(dest, src)
10578 while (*src != NULLCHAR && *src != ',') {
10583 *(*dest)++ = *src++;
10588 char *DefaultFileName(ext)
10591 static char def[MSG_SIZ];
10594 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
10596 CopyPlayerNameIntoFileName(&p, gameInfo.white);
10598 CopyPlayerNameIntoFileName(&p, gameInfo.black);
10607 /* Save the current game to the given file */
10609 SaveGameToFile(filename, append)
10616 if (strcmp(filename, "-") == 0) {
10617 return SaveGame(stdout, 0, NULL);
10619 f = fopen(filename, append ? "a" : "w");
10621 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10622 DisplayError(buf, errno);
10625 return SaveGame(f, 0, NULL);
10634 static char buf[MSG_SIZ];
10637 p = strchr(str, ' ');
10638 if (p == NULL) return str;
10639 strncpy(buf, str, p - str);
10640 buf[p - str] = NULLCHAR;
10644 #define PGN_MAX_LINE 75
10646 #define PGN_SIDE_WHITE 0
10647 #define PGN_SIDE_BLACK 1
10650 static int FindFirstMoveOutOfBook( int side )
10654 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
10655 int index = backwardMostMove;
10656 int has_book_hit = 0;
10658 if( (index % 2) != side ) {
10662 while( index < forwardMostMove ) {
10663 /* Check to see if engine is in book */
10664 int depth = pvInfoList[index].depth;
10665 int score = pvInfoList[index].score;
10671 else if( score == 0 && depth == 63 ) {
10672 in_book = 1; /* Zappa */
10674 else if( score == 2 && depth == 99 ) {
10675 in_book = 1; /* Abrok */
10678 has_book_hit += in_book;
10694 void GetOutOfBookInfo( char * buf )
10698 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10700 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
10701 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
10705 if( oob[0] >= 0 || oob[1] >= 0 ) {
10706 for( i=0; i<2; i++ ) {
10710 if( i > 0 && oob[0] >= 0 ) {
10711 strcat( buf, " " );
10714 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
10715 sprintf( buf+strlen(buf), "%s%.2f",
10716 pvInfoList[idx].score >= 0 ? "+" : "",
10717 pvInfoList[idx].score / 100.0 );
10723 /* Save game in PGN style and close the file */
10728 int i, offset, linelen, newblock;
10732 int movelen, numlen, blank;
10733 char move_buffer[100]; /* [AS] Buffer for move+PV info */
10735 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10737 tm = time((time_t *) NULL);
10739 PrintPGNTags(f, &gameInfo);
10741 if (backwardMostMove > 0 || startedFromSetupPosition) {
10742 char *fen = PositionToFEN(backwardMostMove, NULL);
10743 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
10744 fprintf(f, "\n{--------------\n");
10745 PrintPosition(f, backwardMostMove);
10746 fprintf(f, "--------------}\n");
10750 /* [AS] Out of book annotation */
10751 if( appData.saveOutOfBookInfo ) {
10754 GetOutOfBookInfo( buf );
10756 if( buf[0] != '\0' ) {
10757 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
10764 i = backwardMostMove;
10768 while (i < forwardMostMove) {
10769 /* Print comments preceding this move */
10770 if (commentList[i] != NULL) {
10771 if (linelen > 0) fprintf(f, "\n");
10772 fprintf(f, "%s", commentList[i]);
10777 /* Format move number */
10778 if ((i % 2) == 0) {
10779 sprintf(numtext, "%d.", (i - offset)/2 + 1);
10782 sprintf(numtext, "%d...", (i - offset)/2 + 1);
10784 numtext[0] = NULLCHAR;
10787 numlen = strlen(numtext);
10790 /* Print move number */
10791 blank = linelen > 0 && numlen > 0;
10792 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
10801 fprintf(f, "%s", numtext);
10805 strcpy(move_buffer, SavePart(parseList[i])); // [HGM] pgn: print move via buffer, so it can be edited
10806 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
10809 blank = linelen > 0 && movelen > 0;
10810 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10819 fprintf(f, "%s", move_buffer);
10820 linelen += movelen;
10822 /* [AS] Add PV info if present */
10823 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
10824 /* [HGM] add time */
10825 char buf[MSG_SIZ]; int seconds;
10827 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
10829 if( seconds <= 0) buf[0] = 0; else
10830 if( seconds < 30 ) sprintf(buf, " %3.1f%c", seconds/10., 0); else {
10831 seconds = (seconds + 4)/10; // round to full seconds
10832 if( seconds < 60 ) sprintf(buf, " %d%c", seconds, 0); else
10833 sprintf(buf, " %d:%02d%c", seconds/60, seconds%60, 0);
10836 sprintf( move_buffer, "{%s%.2f/%d%s}",
10837 pvInfoList[i].score >= 0 ? "+" : "",
10838 pvInfoList[i].score / 100.0,
10839 pvInfoList[i].depth,
10842 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
10844 /* Print score/depth */
10845 blank = linelen > 0 && movelen > 0;
10846 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10855 fprintf(f, "%s", move_buffer);
10856 linelen += movelen;
10862 /* Start a new line */
10863 if (linelen > 0) fprintf(f, "\n");
10865 /* Print comments after last move */
10866 if (commentList[i] != NULL) {
10867 fprintf(f, "%s\n", commentList[i]);
10871 if (gameInfo.resultDetails != NULL &&
10872 gameInfo.resultDetails[0] != NULLCHAR) {
10873 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
10874 PGNResult(gameInfo.result));
10876 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10880 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10884 /* Save game in old style and close the file */
10886 SaveGameOldStyle(f)
10892 tm = time((time_t *) NULL);
10894 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
10897 if (backwardMostMove > 0 || startedFromSetupPosition) {
10898 fprintf(f, "\n[--------------\n");
10899 PrintPosition(f, backwardMostMove);
10900 fprintf(f, "--------------]\n");
10905 i = backwardMostMove;
10906 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10908 while (i < forwardMostMove) {
10909 if (commentList[i] != NULL) {
10910 fprintf(f, "[%s]\n", commentList[i]);
10913 if ((i % 2) == 1) {
10914 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
10917 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
10919 if (commentList[i] != NULL) {
10923 if (i >= forwardMostMove) {
10927 fprintf(f, "%s\n", parseList[i]);
10932 if (commentList[i] != NULL) {
10933 fprintf(f, "[%s]\n", commentList[i]);
10936 /* This isn't really the old style, but it's close enough */
10937 if (gameInfo.resultDetails != NULL &&
10938 gameInfo.resultDetails[0] != NULLCHAR) {
10939 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
10940 gameInfo.resultDetails);
10942 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10949 /* Save the current game to open file f and close the file */
10951 SaveGame(f, dummy, dummy2)
10956 if (gameMode == EditPosition) EditPositionDone(TRUE);
10957 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10958 if (appData.oldSaveStyle)
10959 return SaveGameOldStyle(f);
10961 return SaveGamePGN(f);
10964 /* Save the current position to the given file */
10966 SavePositionToFile(filename)
10972 if (strcmp(filename, "-") == 0) {
10973 return SavePosition(stdout, 0, NULL);
10975 f = fopen(filename, "a");
10977 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10978 DisplayError(buf, errno);
10981 SavePosition(f, 0, NULL);
10987 /* Save the current position to the given open file and close the file */
10989 SavePosition(f, dummy, dummy2)
10997 if (gameMode == EditPosition) EditPositionDone(TRUE);
10998 if (appData.oldSaveStyle) {
10999 tm = time((time_t *) NULL);
11001 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
11003 fprintf(f, "[--------------\n");
11004 PrintPosition(f, currentMove);
11005 fprintf(f, "--------------]\n");
11007 fen = PositionToFEN(currentMove, NULL);
11008 fprintf(f, "%s\n", fen);
11016 ReloadCmailMsgEvent(unregister)
11020 static char *inFilename = NULL;
11021 static char *outFilename;
11023 struct stat inbuf, outbuf;
11026 /* Any registered moves are unregistered if unregister is set, */
11027 /* i.e. invoked by the signal handler */
11029 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11030 cmailMoveRegistered[i] = FALSE;
11031 if (cmailCommentList[i] != NULL) {
11032 free(cmailCommentList[i]);
11033 cmailCommentList[i] = NULL;
11036 nCmailMovesRegistered = 0;
11039 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11040 cmailResult[i] = CMAIL_NOT_RESULT;
11044 if (inFilename == NULL) {
11045 /* Because the filenames are static they only get malloced once */
11046 /* and they never get freed */
11047 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
11048 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
11050 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
11051 sprintf(outFilename, "%s.out", appData.cmailGameName);
11054 status = stat(outFilename, &outbuf);
11056 cmailMailedMove = FALSE;
11058 status = stat(inFilename, &inbuf);
11059 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
11062 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
11063 counts the games, notes how each one terminated, etc.
11065 It would be nice to remove this kludge and instead gather all
11066 the information while building the game list. (And to keep it
11067 in the game list nodes instead of having a bunch of fixed-size
11068 parallel arrays.) Note this will require getting each game's
11069 termination from the PGN tags, as the game list builder does
11070 not process the game moves. --mann
11072 cmailMsgLoaded = TRUE;
11073 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
11075 /* Load first game in the file or popup game menu */
11076 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
11078 #endif /* !WIN32 */
11086 char string[MSG_SIZ];
11088 if ( cmailMailedMove
11089 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
11090 return TRUE; /* Allow free viewing */
11093 /* Unregister move to ensure that we don't leave RegisterMove */
11094 /* with the move registered when the conditions for registering no */
11096 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11097 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11098 nCmailMovesRegistered --;
11100 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
11102 free(cmailCommentList[lastLoadGameNumber - 1]);
11103 cmailCommentList[lastLoadGameNumber - 1] = NULL;
11107 if (cmailOldMove == -1) {
11108 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
11112 if (currentMove > cmailOldMove + 1) {
11113 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
11117 if (currentMove < cmailOldMove) {
11118 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
11122 if (forwardMostMove > currentMove) {
11123 /* Silently truncate extra moves */
11127 if ( (currentMove == cmailOldMove + 1)
11128 || ( (currentMove == cmailOldMove)
11129 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
11130 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
11131 if (gameInfo.result != GameUnfinished) {
11132 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
11135 if (commentList[currentMove] != NULL) {
11136 cmailCommentList[lastLoadGameNumber - 1]
11137 = StrSave(commentList[currentMove]);
11139 strcpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1]);
11141 if (appData.debugMode)
11142 fprintf(debugFP, "Saving %s for game %d\n",
11143 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11146 "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
11148 f = fopen(string, "w");
11149 if (appData.oldSaveStyle) {
11150 SaveGameOldStyle(f); /* also closes the file */
11152 sprintf(string, "%s.pos.out", appData.cmailGameName);
11153 f = fopen(string, "w");
11154 SavePosition(f, 0, NULL); /* also closes the file */
11156 fprintf(f, "{--------------\n");
11157 PrintPosition(f, currentMove);
11158 fprintf(f, "--------------}\n\n");
11160 SaveGame(f, 0, NULL); /* also closes the file*/
11163 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
11164 nCmailMovesRegistered ++;
11165 } else if (nCmailGames == 1) {
11166 DisplayError(_("You have not made a move yet"), 0);
11177 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
11178 FILE *commandOutput;
11179 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
11180 int nBytes = 0; /* Suppress warnings on uninitialized variables */
11186 if (! cmailMsgLoaded) {
11187 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
11191 if (nCmailGames == nCmailResults) {
11192 DisplayError(_("No unfinished games"), 0);
11196 #if CMAIL_PROHIBIT_REMAIL
11197 if (cmailMailedMove) {
11198 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);
11199 DisplayError(msg, 0);
11204 if (! (cmailMailedMove || RegisterMove())) return;
11206 if ( cmailMailedMove
11207 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
11208 sprintf(string, partCommandString,
11209 appData.debugMode ? " -v" : "", appData.cmailGameName);
11210 commandOutput = popen(string, "r");
11212 if (commandOutput == NULL) {
11213 DisplayError(_("Failed to invoke cmail"), 0);
11215 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
11216 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
11218 if (nBuffers > 1) {
11219 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
11220 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
11221 nBytes = MSG_SIZ - 1;
11223 (void) memcpy(msg, buffer, nBytes);
11225 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
11227 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
11228 cmailMailedMove = TRUE; /* Prevent >1 moves */
11231 for (i = 0; i < nCmailGames; i ++) {
11232 if (cmailResult[i] == CMAIL_NOT_RESULT) {
11237 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
11239 sprintf(buffer, "%s/%s.%s.archive",
11241 appData.cmailGameName,
11243 LoadGameFromFile(buffer, 1, buffer, FALSE);
11244 cmailMsgLoaded = FALSE;
11248 DisplayInformation(msg);
11249 pclose(commandOutput);
11252 if ((*cmailMsg) != '\0') {
11253 DisplayInformation(cmailMsg);
11258 #endif /* !WIN32 */
11267 int prependComma = 0;
11269 char string[MSG_SIZ]; /* Space for game-list */
11272 if (!cmailMsgLoaded) return "";
11274 if (cmailMailedMove) {
11275 sprintf(cmailMsg, _("Waiting for reply from opponent\n"));
11277 /* Create a list of games left */
11278 sprintf(string, "[");
11279 for (i = 0; i < nCmailGames; i ++) {
11280 if (! ( cmailMoveRegistered[i]
11281 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
11282 if (prependComma) {
11283 sprintf(number, ",%d", i + 1);
11285 sprintf(number, "%d", i + 1);
11289 strcat(string, number);
11292 strcat(string, "]");
11294 if (nCmailMovesRegistered + nCmailResults == 0) {
11295 switch (nCmailGames) {
11298 _("Still need to make move for game\n"));
11303 _("Still need to make moves for both games\n"));
11308 _("Still need to make moves for all %d games\n"),
11313 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
11316 _("Still need to make a move for game %s\n"),
11321 if (nCmailResults == nCmailGames) {
11322 sprintf(cmailMsg, _("No unfinished games\n"));
11324 sprintf(cmailMsg, _("Ready to send mail\n"));
11330 _("Still need to make moves for games %s\n"),
11342 if (gameMode == Training)
11343 SetTrainingModeOff();
11346 cmailMsgLoaded = FALSE;
11347 if (appData.icsActive) {
11348 SendToICS(ics_prefix);
11349 SendToICS("refresh\n");
11359 /* Give up on clean exit */
11363 /* Keep trying for clean exit */
11367 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
11369 if (telnetISR != NULL) {
11370 RemoveInputSource(telnetISR);
11372 if (icsPR != NoProc) {
11373 DestroyChildProcess(icsPR, TRUE);
11376 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
11377 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
11379 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
11380 /* make sure this other one finishes before killing it! */
11381 if(endingGame) { int count = 0;
11382 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
11383 while(endingGame && count++ < 10) DoSleep(1);
11384 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
11387 /* Kill off chess programs */
11388 if (first.pr != NoProc) {
11391 DoSleep( appData.delayBeforeQuit );
11392 SendToProgram("quit\n", &first);
11393 DoSleep( appData.delayAfterQuit );
11394 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
11396 if (second.pr != NoProc) {
11397 DoSleep( appData.delayBeforeQuit );
11398 SendToProgram("quit\n", &second);
11399 DoSleep( appData.delayAfterQuit );
11400 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
11402 if (first.isr != NULL) {
11403 RemoveInputSource(first.isr);
11405 if (second.isr != NULL) {
11406 RemoveInputSource(second.isr);
11409 ShutDownFrontEnd();
11416 if (appData.debugMode)
11417 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
11421 if (gameMode == MachinePlaysWhite ||
11422 gameMode == MachinePlaysBlack) {
11425 DisplayBothClocks();
11427 if (gameMode == PlayFromGameFile) {
11428 if (appData.timeDelay >= 0)
11429 AutoPlayGameLoop();
11430 } else if (gameMode == IcsExamining && pauseExamInvalid) {
11431 Reset(FALSE, TRUE);
11432 SendToICS(ics_prefix);
11433 SendToICS("refresh\n");
11434 } else if (currentMove < forwardMostMove) {
11435 ForwardInner(forwardMostMove);
11437 pauseExamInvalid = FALSE;
11439 switch (gameMode) {
11443 pauseExamForwardMostMove = forwardMostMove;
11444 pauseExamInvalid = FALSE;
11447 case IcsPlayingWhite:
11448 case IcsPlayingBlack:
11452 case PlayFromGameFile:
11453 (void) StopLoadGameTimer();
11457 case BeginningOfGame:
11458 if (appData.icsActive) return;
11459 /* else fall through */
11460 case MachinePlaysWhite:
11461 case MachinePlaysBlack:
11462 case TwoMachinesPlay:
11463 if (forwardMostMove == 0)
11464 return; /* don't pause if no one has moved */
11465 if ((gameMode == MachinePlaysWhite &&
11466 !WhiteOnMove(forwardMostMove)) ||
11467 (gameMode == MachinePlaysBlack &&
11468 WhiteOnMove(forwardMostMove))) {
11481 char title[MSG_SIZ];
11483 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
11484 strcpy(title, _("Edit comment"));
11486 sprintf(title, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
11487 WhiteOnMove(currentMove - 1) ? " " : ".. ",
11488 parseList[currentMove - 1]);
11491 EditCommentPopUp(currentMove, title, commentList[currentMove]);
11498 char *tags = PGNTags(&gameInfo);
11499 EditTagsPopUp(tags);
11506 if (appData.noChessProgram || gameMode == AnalyzeMode)
11509 if (gameMode != AnalyzeFile) {
11510 if (!appData.icsEngineAnalyze) {
11512 if (gameMode != EditGame) return;
11514 ResurrectChessProgram();
11515 SendToProgram("analyze\n", &first);
11516 first.analyzing = TRUE;
11517 /*first.maybeThinking = TRUE;*/
11518 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11519 EngineOutputPopUp();
11521 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
11526 StartAnalysisClock();
11527 GetTimeMark(&lastNodeCountTime);
11534 if (appData.noChessProgram || gameMode == AnalyzeFile)
11537 if (gameMode != AnalyzeMode) {
11539 if (gameMode != EditGame) return;
11540 ResurrectChessProgram();
11541 SendToProgram("analyze\n", &first);
11542 first.analyzing = TRUE;
11543 /*first.maybeThinking = TRUE;*/
11544 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11545 EngineOutputPopUp();
11547 gameMode = AnalyzeFile;
11552 StartAnalysisClock();
11553 GetTimeMark(&lastNodeCountTime);
11558 MachineWhiteEvent()
11561 char *bookHit = NULL;
11563 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
11567 if (gameMode == PlayFromGameFile ||
11568 gameMode == TwoMachinesPlay ||
11569 gameMode == Training ||
11570 gameMode == AnalyzeMode ||
11571 gameMode == EndOfGame)
11574 if (gameMode == EditPosition)
11575 EditPositionDone(TRUE);
11577 if (!WhiteOnMove(currentMove)) {
11578 DisplayError(_("It is not White's turn"), 0);
11582 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11585 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11586 gameMode == AnalyzeFile)
11589 ResurrectChessProgram(); /* in case it isn't running */
11590 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
11591 gameMode = MachinePlaysWhite;
11594 gameMode = MachinePlaysWhite;
11598 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11600 if (first.sendName) {
11601 sprintf(buf, "name %s\n", gameInfo.black);
11602 SendToProgram(buf, &first);
11604 if (first.sendTime) {
11605 if (first.useColors) {
11606 SendToProgram("black\n", &first); /*gnu kludge*/
11608 SendTimeRemaining(&first, TRUE);
11610 if (first.useColors) {
11611 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
11613 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11614 SetMachineThinkingEnables();
11615 first.maybeThinking = TRUE;
11619 if (appData.autoFlipView && !flipView) {
11620 flipView = !flipView;
11621 DrawPosition(FALSE, NULL);
11622 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11625 if(bookHit) { // [HGM] book: simulate book reply
11626 static char bookMove[MSG_SIZ]; // a bit generous?
11628 programStats.nodes = programStats.depth = programStats.time =
11629 programStats.score = programStats.got_only_move = 0;
11630 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11632 strcpy(bookMove, "move ");
11633 strcat(bookMove, bookHit);
11634 HandleMachineMove(bookMove, &first);
11639 MachineBlackEvent()
11642 char *bookHit = NULL;
11644 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
11648 if (gameMode == PlayFromGameFile ||
11649 gameMode == TwoMachinesPlay ||
11650 gameMode == Training ||
11651 gameMode == AnalyzeMode ||
11652 gameMode == EndOfGame)
11655 if (gameMode == EditPosition)
11656 EditPositionDone(TRUE);
11658 if (WhiteOnMove(currentMove)) {
11659 DisplayError(_("It is not Black's turn"), 0);
11663 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11666 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11667 gameMode == AnalyzeFile)
11670 ResurrectChessProgram(); /* in case it isn't running */
11671 gameMode = MachinePlaysBlack;
11675 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11677 if (first.sendName) {
11678 sprintf(buf, "name %s\n", gameInfo.white);
11679 SendToProgram(buf, &first);
11681 if (first.sendTime) {
11682 if (first.useColors) {
11683 SendToProgram("white\n", &first); /*gnu kludge*/
11685 SendTimeRemaining(&first, FALSE);
11687 if (first.useColors) {
11688 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
11690 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11691 SetMachineThinkingEnables();
11692 first.maybeThinking = TRUE;
11695 if (appData.autoFlipView && flipView) {
11696 flipView = !flipView;
11697 DrawPosition(FALSE, NULL);
11698 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11700 if(bookHit) { // [HGM] book: simulate book reply
11701 static char bookMove[MSG_SIZ]; // a bit generous?
11703 programStats.nodes = programStats.depth = programStats.time =
11704 programStats.score = programStats.got_only_move = 0;
11705 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11707 strcpy(bookMove, "move ");
11708 strcat(bookMove, bookHit);
11709 HandleMachineMove(bookMove, &first);
11715 DisplayTwoMachinesTitle()
11718 if (appData.matchGames > 0) {
11719 if (first.twoMachinesColor[0] == 'w') {
11720 sprintf(buf, "%s vs. %s (%d-%d-%d)",
11721 gameInfo.white, gameInfo.black,
11722 first.matchWins, second.matchWins,
11723 matchGame - 1 - (first.matchWins + second.matchWins));
11725 sprintf(buf, "%s vs. %s (%d-%d-%d)",
11726 gameInfo.white, gameInfo.black,
11727 second.matchWins, first.matchWins,
11728 matchGame - 1 - (first.matchWins + second.matchWins));
11731 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11737 TwoMachinesEvent P((void))
11741 ChessProgramState *onmove;
11742 char *bookHit = NULL;
11744 if (appData.noChessProgram) return;
11746 switch (gameMode) {
11747 case TwoMachinesPlay:
11749 case MachinePlaysWhite:
11750 case MachinePlaysBlack:
11751 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11752 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11756 case BeginningOfGame:
11757 case PlayFromGameFile:
11760 if (gameMode != EditGame) return;
11763 EditPositionDone(TRUE);
11774 // forwardMostMove = currentMove;
11775 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
11776 ResurrectChessProgram(); /* in case first program isn't running */
11778 if (second.pr == NULL) {
11779 StartChessProgram(&second);
11780 if (second.protocolVersion == 1) {
11781 TwoMachinesEventIfReady();
11783 /* kludge: allow timeout for initial "feature" command */
11785 DisplayMessage("", _("Starting second chess program"));
11786 ScheduleDelayedEvent(TwoMachinesEventIfReady, FEATURE_TIMEOUT);
11790 DisplayMessage("", "");
11791 InitChessProgram(&second, FALSE);
11792 SendToProgram("force\n", &second);
11793 if (startedFromSetupPosition) {
11794 SendBoard(&second, backwardMostMove);
11795 if (appData.debugMode) {
11796 fprintf(debugFP, "Two Machines\n");
11799 for (i = backwardMostMove; i < forwardMostMove; i++) {
11800 SendMoveToProgram(i, &second);
11803 gameMode = TwoMachinesPlay;
11807 DisplayTwoMachinesTitle();
11809 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
11815 SendToProgram(first.computerString, &first);
11816 if (first.sendName) {
11817 sprintf(buf, "name %s\n", second.tidy);
11818 SendToProgram(buf, &first);
11820 SendToProgram(second.computerString, &second);
11821 if (second.sendName) {
11822 sprintf(buf, "name %s\n", first.tidy);
11823 SendToProgram(buf, &second);
11827 if (!first.sendTime || !second.sendTime) {
11828 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11829 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11831 if (onmove->sendTime) {
11832 if (onmove->useColors) {
11833 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
11835 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
11837 if (onmove->useColors) {
11838 SendToProgram(onmove->twoMachinesColor, onmove);
11840 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
11841 // SendToProgram("go\n", onmove);
11842 onmove->maybeThinking = TRUE;
11843 SetMachineThinkingEnables();
11847 if(bookHit) { // [HGM] book: simulate book reply
11848 static char bookMove[MSG_SIZ]; // a bit generous?
11850 programStats.nodes = programStats.depth = programStats.time =
11851 programStats.score = programStats.got_only_move = 0;
11852 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11854 strcpy(bookMove, "move ");
11855 strcat(bookMove, bookHit);
11856 savedMessage = bookMove; // args for deferred call
11857 savedState = onmove;
11858 ScheduleDelayedEvent(DeferredBookMove, 1);
11865 if (gameMode == Training) {
11866 SetTrainingModeOff();
11867 gameMode = PlayFromGameFile;
11868 DisplayMessage("", _("Training mode off"));
11870 gameMode = Training;
11871 animateTraining = appData.animate;
11873 /* make sure we are not already at the end of the game */
11874 if (currentMove < forwardMostMove) {
11875 SetTrainingModeOn();
11876 DisplayMessage("", _("Training mode on"));
11878 gameMode = PlayFromGameFile;
11879 DisplayError(_("Already at end of game"), 0);
11888 if (!appData.icsActive) return;
11889 switch (gameMode) {
11890 case IcsPlayingWhite:
11891 case IcsPlayingBlack:
11894 case BeginningOfGame:
11902 EditPositionDone(TRUE);
11915 gameMode = IcsIdle;
11926 switch (gameMode) {
11928 SetTrainingModeOff();
11930 case MachinePlaysWhite:
11931 case MachinePlaysBlack:
11932 case BeginningOfGame:
11933 SendToProgram("force\n", &first);
11934 SetUserThinkingEnables();
11936 case PlayFromGameFile:
11937 (void) StopLoadGameTimer();
11938 if (gameFileFP != NULL) {
11943 EditPositionDone(TRUE);
11948 SendToProgram("force\n", &first);
11950 case TwoMachinesPlay:
11951 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
11952 ResurrectChessProgram();
11953 SetUserThinkingEnables();
11956 ResurrectChessProgram();
11958 case IcsPlayingBlack:
11959 case IcsPlayingWhite:
11960 DisplayError(_("Warning: You are still playing a game"), 0);
11963 DisplayError(_("Warning: You are still observing a game"), 0);
11966 DisplayError(_("Warning: You are still examining a game"), 0);
11977 first.offeredDraw = second.offeredDraw = 0;
11979 if (gameMode == PlayFromGameFile) {
11980 whiteTimeRemaining = timeRemaining[0][currentMove];
11981 blackTimeRemaining = timeRemaining[1][currentMove];
11985 if (gameMode == MachinePlaysWhite ||
11986 gameMode == MachinePlaysBlack ||
11987 gameMode == TwoMachinesPlay ||
11988 gameMode == EndOfGame) {
11989 i = forwardMostMove;
11990 while (i > currentMove) {
11991 SendToProgram("undo\n", &first);
11994 whiteTimeRemaining = timeRemaining[0][currentMove];
11995 blackTimeRemaining = timeRemaining[1][currentMove];
11996 DisplayBothClocks();
11997 if (whiteFlag || blackFlag) {
11998 whiteFlag = blackFlag = 0;
12003 gameMode = EditGame;
12010 EditPositionEvent()
12012 if (gameMode == EditPosition) {
12018 if (gameMode != EditGame) return;
12020 gameMode = EditPosition;
12023 if (currentMove > 0)
12024 CopyBoard(boards[0], boards[currentMove]);
12026 blackPlaysFirst = !WhiteOnMove(currentMove);
12028 currentMove = forwardMostMove = backwardMostMove = 0;
12029 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12036 /* [DM] icsEngineAnalyze - possible call from other functions */
12037 if (appData.icsEngineAnalyze) {
12038 appData.icsEngineAnalyze = FALSE;
12040 DisplayMessage("",_("Close ICS engine analyze..."));
12042 if (first.analysisSupport && first.analyzing) {
12043 SendToProgram("exit\n", &first);
12044 first.analyzing = FALSE;
12046 thinkOutput[0] = NULLCHAR;
12050 EditPositionDone(Boolean fakeRights)
12052 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
12054 startedFromSetupPosition = TRUE;
12055 InitChessProgram(&first, FALSE);
12056 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
12057 boards[0][EP_STATUS] = EP_NONE;
12058 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
12059 if(boards[0][0][BOARD_WIDTH>>1] == king) {
12060 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
12061 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
12062 } else boards[0][CASTLING][2] = NoRights;
12063 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
12064 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
12065 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
12066 } else boards[0][CASTLING][5] = NoRights;
12068 SendToProgram("force\n", &first);
12069 if (blackPlaysFirst) {
12070 strcpy(moveList[0], "");
12071 strcpy(parseList[0], "");
12072 currentMove = forwardMostMove = backwardMostMove = 1;
12073 CopyBoard(boards[1], boards[0]);
12075 currentMove = forwardMostMove = backwardMostMove = 0;
12077 SendBoard(&first, forwardMostMove);
12078 if (appData.debugMode) {
12079 fprintf(debugFP, "EditPosDone\n");
12082 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12083 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12084 gameMode = EditGame;
12086 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12087 ClearHighlights(); /* [AS] */
12090 /* Pause for `ms' milliseconds */
12091 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12101 } while (SubtractTimeMarks(&m2, &m1) < ms);
12104 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12106 SendMultiLineToICS(buf)
12109 char temp[MSG_SIZ+1], *p;
12116 strncpy(temp, buf, len);
12121 if (*p == '\n' || *p == '\r')
12126 strcat(temp, "\n");
12128 SendToPlayer(temp, strlen(temp));
12132 SetWhiteToPlayEvent()
12134 if (gameMode == EditPosition) {
12135 blackPlaysFirst = FALSE;
12136 DisplayBothClocks(); /* works because currentMove is 0 */
12137 } else if (gameMode == IcsExamining) {
12138 SendToICS(ics_prefix);
12139 SendToICS("tomove white\n");
12144 SetBlackToPlayEvent()
12146 if (gameMode == EditPosition) {
12147 blackPlaysFirst = TRUE;
12148 currentMove = 1; /* kludge */
12149 DisplayBothClocks();
12151 } else if (gameMode == IcsExamining) {
12152 SendToICS(ics_prefix);
12153 SendToICS("tomove black\n");
12158 EditPositionMenuEvent(selection, x, y)
12159 ChessSquare selection;
12163 ChessSquare piece = boards[0][y][x];
12165 if (gameMode != EditPosition && gameMode != IcsExamining) return;
12167 switch (selection) {
12169 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
12170 SendToICS(ics_prefix);
12171 SendToICS("bsetup clear\n");
12172 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
12173 SendToICS(ics_prefix);
12174 SendToICS("clearboard\n");
12176 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
12177 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
12178 for (y = 0; y < BOARD_HEIGHT; y++) {
12179 if (gameMode == IcsExamining) {
12180 if (boards[currentMove][y][x] != EmptySquare) {
12181 sprintf(buf, "%sx@%c%c\n", ics_prefix,
12186 boards[0][y][x] = p;
12191 if (gameMode == EditPosition) {
12192 DrawPosition(FALSE, boards[0]);
12197 SetWhiteToPlayEvent();
12201 SetBlackToPlayEvent();
12205 if (gameMode == IcsExamining) {
12206 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12207 sprintf(buf, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
12210 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12211 if(x == BOARD_LEFT-2) {
12212 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
12213 boards[0][y][1] = 0;
12215 if(x == BOARD_RGHT+1) {
12216 if(y >= gameInfo.holdingsSize) break;
12217 boards[0][y][BOARD_WIDTH-2] = 0;
12220 boards[0][y][x] = EmptySquare;
12221 DrawPosition(FALSE, boards[0]);
12226 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
12227 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
12228 selection = (ChessSquare) (PROMOTED piece);
12229 } else if(piece == EmptySquare) selection = WhiteSilver;
12230 else selection = (ChessSquare)((int)piece - 1);
12234 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
12235 piece > (int)BlackMan && piece <= (int)BlackKing ) {
12236 selection = (ChessSquare) (DEMOTED piece);
12237 } else if(piece == EmptySquare) selection = BlackSilver;
12238 else selection = (ChessSquare)((int)piece + 1);
12243 if(gameInfo.variant == VariantShatranj ||
12244 gameInfo.variant == VariantXiangqi ||
12245 gameInfo.variant == VariantCourier ||
12246 gameInfo.variant == VariantMakruk )
12247 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
12252 if(gameInfo.variant == VariantXiangqi)
12253 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
12254 if(gameInfo.variant == VariantKnightmate)
12255 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
12258 if (gameMode == IcsExamining) {
12259 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12260 sprintf(buf, "%s%c@%c%c\n", ics_prefix,
12261 PieceToChar(selection), AAA + x, ONE + y);
12264 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12266 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
12267 n = PieceToNumber(selection - BlackPawn);
12268 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
12269 boards[0][BOARD_HEIGHT-1-n][0] = selection;
12270 boards[0][BOARD_HEIGHT-1-n][1]++;
12272 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
12273 n = PieceToNumber(selection);
12274 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
12275 boards[0][n][BOARD_WIDTH-1] = selection;
12276 boards[0][n][BOARD_WIDTH-2]++;
12279 boards[0][y][x] = selection;
12280 DrawPosition(TRUE, boards[0]);
12288 DropMenuEvent(selection, x, y)
12289 ChessSquare selection;
12292 ChessMove moveType;
12294 switch (gameMode) {
12295 case IcsPlayingWhite:
12296 case MachinePlaysBlack:
12297 if (!WhiteOnMove(currentMove)) {
12298 DisplayMoveError(_("It is Black's turn"));
12301 moveType = WhiteDrop;
12303 case IcsPlayingBlack:
12304 case MachinePlaysWhite:
12305 if (WhiteOnMove(currentMove)) {
12306 DisplayMoveError(_("It is White's turn"));
12309 moveType = BlackDrop;
12312 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
12318 if (moveType == BlackDrop && selection < BlackPawn) {
12319 selection = (ChessSquare) ((int) selection
12320 + (int) BlackPawn - (int) WhitePawn);
12322 if (boards[currentMove][y][x] != EmptySquare) {
12323 DisplayMoveError(_("That square is occupied"));
12327 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
12333 /* Accept a pending offer of any kind from opponent */
12335 if (appData.icsActive) {
12336 SendToICS(ics_prefix);
12337 SendToICS("accept\n");
12338 } else if (cmailMsgLoaded) {
12339 if (currentMove == cmailOldMove &&
12340 commentList[cmailOldMove] != NULL &&
12341 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12342 "Black offers a draw" : "White offers a draw")) {
12344 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12345 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12347 DisplayError(_("There is no pending offer on this move"), 0);
12348 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12351 /* Not used for offers from chess program */
12358 /* Decline a pending offer of any kind from opponent */
12360 if (appData.icsActive) {
12361 SendToICS(ics_prefix);
12362 SendToICS("decline\n");
12363 } else if (cmailMsgLoaded) {
12364 if (currentMove == cmailOldMove &&
12365 commentList[cmailOldMove] != NULL &&
12366 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12367 "Black offers a draw" : "White offers a draw")) {
12369 AppendComment(cmailOldMove, "Draw declined", TRUE);
12370 DisplayComment(cmailOldMove - 1, "Draw declined");
12373 DisplayError(_("There is no pending offer on this move"), 0);
12376 /* Not used for offers from chess program */
12383 /* Issue ICS rematch command */
12384 if (appData.icsActive) {
12385 SendToICS(ics_prefix);
12386 SendToICS("rematch\n");
12393 /* Call your opponent's flag (claim a win on time) */
12394 if (appData.icsActive) {
12395 SendToICS(ics_prefix);
12396 SendToICS("flag\n");
12398 switch (gameMode) {
12401 case MachinePlaysWhite:
12404 GameEnds(GameIsDrawn, "Both players ran out of time",
12407 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
12409 DisplayError(_("Your opponent is not out of time"), 0);
12412 case MachinePlaysBlack:
12415 GameEnds(GameIsDrawn, "Both players ran out of time",
12418 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
12420 DisplayError(_("Your opponent is not out of time"), 0);
12430 /* Offer draw or accept pending draw offer from opponent */
12432 if (appData.icsActive) {
12433 /* Note: tournament rules require draw offers to be
12434 made after you make your move but before you punch
12435 your clock. Currently ICS doesn't let you do that;
12436 instead, you immediately punch your clock after making
12437 a move, but you can offer a draw at any time. */
12439 SendToICS(ics_prefix);
12440 SendToICS("draw\n");
12441 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
12442 } else if (cmailMsgLoaded) {
12443 if (currentMove == cmailOldMove &&
12444 commentList[cmailOldMove] != NULL &&
12445 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12446 "Black offers a draw" : "White offers a draw")) {
12447 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12448 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12449 } else if (currentMove == cmailOldMove + 1) {
12450 char *offer = WhiteOnMove(cmailOldMove) ?
12451 "White offers a draw" : "Black offers a draw";
12452 AppendComment(currentMove, offer, TRUE);
12453 DisplayComment(currentMove - 1, offer);
12454 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
12456 DisplayError(_("You must make your move before offering a draw"), 0);
12457 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12459 } else if (first.offeredDraw) {
12460 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
12462 if (first.sendDrawOffers) {
12463 SendToProgram("draw\n", &first);
12464 userOfferedDraw = TRUE;
12472 /* Offer Adjourn or accept pending Adjourn offer from opponent */
12474 if (appData.icsActive) {
12475 SendToICS(ics_prefix);
12476 SendToICS("adjourn\n");
12478 /* Currently GNU Chess doesn't offer or accept Adjourns */
12486 /* Offer Abort or accept pending Abort offer from opponent */
12488 if (appData.icsActive) {
12489 SendToICS(ics_prefix);
12490 SendToICS("abort\n");
12492 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
12499 /* Resign. You can do this even if it's not your turn. */
12501 if (appData.icsActive) {
12502 SendToICS(ics_prefix);
12503 SendToICS("resign\n");
12505 switch (gameMode) {
12506 case MachinePlaysWhite:
12507 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12509 case MachinePlaysBlack:
12510 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12513 if (cmailMsgLoaded) {
12515 if (WhiteOnMove(cmailOldMove)) {
12516 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12518 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12520 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
12531 StopObservingEvent()
12533 /* Stop observing current games */
12534 SendToICS(ics_prefix);
12535 SendToICS("unobserve\n");
12539 StopExaminingEvent()
12541 /* Stop observing current game */
12542 SendToICS(ics_prefix);
12543 SendToICS("unexamine\n");
12547 ForwardInner(target)
12552 if (appData.debugMode)
12553 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
12554 target, currentMove, forwardMostMove);
12556 if (gameMode == EditPosition)
12559 if (gameMode == PlayFromGameFile && !pausing)
12562 if (gameMode == IcsExamining && pausing)
12563 limit = pauseExamForwardMostMove;
12565 limit = forwardMostMove;
12567 if (target > limit) target = limit;
12569 if (target > 0 && moveList[target - 1][0]) {
12570 int fromX, fromY, toX, toY;
12571 toX = moveList[target - 1][2] - AAA;
12572 toY = moveList[target - 1][3] - ONE;
12573 if (moveList[target - 1][1] == '@') {
12574 if (appData.highlightLastMove) {
12575 SetHighlights(-1, -1, toX, toY);
12578 fromX = moveList[target - 1][0] - AAA;
12579 fromY = moveList[target - 1][1] - ONE;
12580 if (target == currentMove + 1) {
12581 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12583 if (appData.highlightLastMove) {
12584 SetHighlights(fromX, fromY, toX, toY);
12588 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12589 gameMode == Training || gameMode == PlayFromGameFile ||
12590 gameMode == AnalyzeFile) {
12591 while (currentMove < target) {
12592 SendMoveToProgram(currentMove++, &first);
12595 currentMove = target;
12598 if (gameMode == EditGame || gameMode == EndOfGame) {
12599 whiteTimeRemaining = timeRemaining[0][currentMove];
12600 blackTimeRemaining = timeRemaining[1][currentMove];
12602 DisplayBothClocks();
12603 DisplayMove(currentMove - 1);
12604 DrawPosition(FALSE, boards[currentMove]);
12605 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12606 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
12607 DisplayComment(currentMove - 1, commentList[currentMove]);
12615 if (gameMode == IcsExamining && !pausing) {
12616 SendToICS(ics_prefix);
12617 SendToICS("forward\n");
12619 ForwardInner(currentMove + 1);
12626 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12627 /* to optimze, we temporarily turn off analysis mode while we feed
12628 * the remaining moves to the engine. Otherwise we get analysis output
12631 if (first.analysisSupport) {
12632 SendToProgram("exit\nforce\n", &first);
12633 first.analyzing = FALSE;
12637 if (gameMode == IcsExamining && !pausing) {
12638 SendToICS(ics_prefix);
12639 SendToICS("forward 999999\n");
12641 ForwardInner(forwardMostMove);
12644 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12645 /* we have fed all the moves, so reactivate analysis mode */
12646 SendToProgram("analyze\n", &first);
12647 first.analyzing = TRUE;
12648 /*first.maybeThinking = TRUE;*/
12649 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12654 BackwardInner(target)
12657 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
12659 if (appData.debugMode)
12660 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
12661 target, currentMove, forwardMostMove);
12663 if (gameMode == EditPosition) return;
12664 if (currentMove <= backwardMostMove) {
12666 DrawPosition(full_redraw, boards[currentMove]);
12669 if (gameMode == PlayFromGameFile && !pausing)
12672 if (moveList[target][0]) {
12673 int fromX, fromY, toX, toY;
12674 toX = moveList[target][2] - AAA;
12675 toY = moveList[target][3] - ONE;
12676 if (moveList[target][1] == '@') {
12677 if (appData.highlightLastMove) {
12678 SetHighlights(-1, -1, toX, toY);
12681 fromX = moveList[target][0] - AAA;
12682 fromY = moveList[target][1] - ONE;
12683 if (target == currentMove - 1) {
12684 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
12686 if (appData.highlightLastMove) {
12687 SetHighlights(fromX, fromY, toX, toY);
12691 if (gameMode == EditGame || gameMode==AnalyzeMode ||
12692 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
12693 while (currentMove > target) {
12694 SendToProgram("undo\n", &first);
12698 currentMove = target;
12701 if (gameMode == EditGame || gameMode == EndOfGame) {
12702 whiteTimeRemaining = timeRemaining[0][currentMove];
12703 blackTimeRemaining = timeRemaining[1][currentMove];
12705 DisplayBothClocks();
12706 DisplayMove(currentMove - 1);
12707 DrawPosition(full_redraw, boards[currentMove]);
12708 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12709 // [HGM] PV info: routine tests if comment empty
12710 DisplayComment(currentMove - 1, commentList[currentMove]);
12716 if (gameMode == IcsExamining && !pausing) {
12717 SendToICS(ics_prefix);
12718 SendToICS("backward\n");
12720 BackwardInner(currentMove - 1);
12727 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12728 /* to optimize, we temporarily turn off analysis mode while we undo
12729 * all the moves. Otherwise we get analysis output after each undo.
12731 if (first.analysisSupport) {
12732 SendToProgram("exit\nforce\n", &first);
12733 first.analyzing = FALSE;
12737 if (gameMode == IcsExamining && !pausing) {
12738 SendToICS(ics_prefix);
12739 SendToICS("backward 999999\n");
12741 BackwardInner(backwardMostMove);
12744 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12745 /* we have fed all the moves, so reactivate analysis mode */
12746 SendToProgram("analyze\n", &first);
12747 first.analyzing = TRUE;
12748 /*first.maybeThinking = TRUE;*/
12749 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12756 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
12757 if (to >= forwardMostMove) to = forwardMostMove;
12758 if (to <= backwardMostMove) to = backwardMostMove;
12759 if (to < currentMove) {
12767 RevertEvent(Boolean annotate)
12769 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
12772 if (gameMode != IcsExamining) {
12773 DisplayError(_("You are not examining a game"), 0);
12777 DisplayError(_("You can't revert while pausing"), 0);
12780 SendToICS(ics_prefix);
12781 SendToICS("revert\n");
12787 switch (gameMode) {
12788 case MachinePlaysWhite:
12789 case MachinePlaysBlack:
12790 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12791 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12794 if (forwardMostMove < 2) return;
12795 currentMove = forwardMostMove = forwardMostMove - 2;
12796 whiteTimeRemaining = timeRemaining[0][currentMove];
12797 blackTimeRemaining = timeRemaining[1][currentMove];
12798 DisplayBothClocks();
12799 DisplayMove(currentMove - 1);
12800 ClearHighlights();/*!! could figure this out*/
12801 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
12802 SendToProgram("remove\n", &first);
12803 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
12806 case BeginningOfGame:
12810 case IcsPlayingWhite:
12811 case IcsPlayingBlack:
12812 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
12813 SendToICS(ics_prefix);
12814 SendToICS("takeback 2\n");
12816 SendToICS(ics_prefix);
12817 SendToICS("takeback 1\n");
12826 ChessProgramState *cps;
12828 switch (gameMode) {
12829 case MachinePlaysWhite:
12830 if (!WhiteOnMove(forwardMostMove)) {
12831 DisplayError(_("It is your turn"), 0);
12836 case MachinePlaysBlack:
12837 if (WhiteOnMove(forwardMostMove)) {
12838 DisplayError(_("It is your turn"), 0);
12843 case TwoMachinesPlay:
12844 if (WhiteOnMove(forwardMostMove) ==
12845 (first.twoMachinesColor[0] == 'w')) {
12851 case BeginningOfGame:
12855 SendToProgram("?\n", cps);
12859 TruncateGameEvent()
12862 if (gameMode != EditGame) return;
12869 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
12870 if (forwardMostMove > currentMove) {
12871 if (gameInfo.resultDetails != NULL) {
12872 free(gameInfo.resultDetails);
12873 gameInfo.resultDetails = NULL;
12874 gameInfo.result = GameUnfinished;
12876 forwardMostMove = currentMove;
12877 HistorySet(parseList, backwardMostMove, forwardMostMove,
12885 if (appData.noChessProgram) return;
12886 switch (gameMode) {
12887 case MachinePlaysWhite:
12888 if (WhiteOnMove(forwardMostMove)) {
12889 DisplayError(_("Wait until your turn"), 0);
12893 case BeginningOfGame:
12894 case MachinePlaysBlack:
12895 if (!WhiteOnMove(forwardMostMove)) {
12896 DisplayError(_("Wait until your turn"), 0);
12901 DisplayError(_("No hint available"), 0);
12904 SendToProgram("hint\n", &first);
12905 hintRequested = TRUE;
12911 if (appData.noChessProgram) return;
12912 switch (gameMode) {
12913 case MachinePlaysWhite:
12914 if (WhiteOnMove(forwardMostMove)) {
12915 DisplayError(_("Wait until your turn"), 0);
12919 case BeginningOfGame:
12920 case MachinePlaysBlack:
12921 if (!WhiteOnMove(forwardMostMove)) {
12922 DisplayError(_("Wait until your turn"), 0);
12927 EditPositionDone(TRUE);
12929 case TwoMachinesPlay:
12934 SendToProgram("bk\n", &first);
12935 bookOutput[0] = NULLCHAR;
12936 bookRequested = TRUE;
12942 char *tags = PGNTags(&gameInfo);
12943 TagsPopUp(tags, CmailMsg());
12947 /* end button procedures */
12950 PrintPosition(fp, move)
12956 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12957 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
12958 char c = PieceToChar(boards[move][i][j]);
12959 fputc(c == 'x' ? '.' : c, fp);
12960 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
12963 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
12964 fprintf(fp, "white to play\n");
12966 fprintf(fp, "black to play\n");
12973 if (gameInfo.white != NULL) {
12974 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
12980 /* Find last component of program's own name, using some heuristics */
12982 TidyProgramName(prog, host, buf)
12983 char *prog, *host, buf[MSG_SIZ];
12986 int local = (strcmp(host, "localhost") == 0);
12987 while (!local && (p = strchr(prog, ';')) != NULL) {
12989 while (*p == ' ') p++;
12992 if (*prog == '"' || *prog == '\'') {
12993 q = strchr(prog + 1, *prog);
12995 q = strchr(prog, ' ');
12997 if (q == NULL) q = prog + strlen(prog);
12999 while (p >= prog && *p != '/' && *p != '\\') p--;
13001 if(p == prog && *p == '"') p++;
13002 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
13003 memcpy(buf, p, q - p);
13004 buf[q - p] = NULLCHAR;
13012 TimeControlTagValue()
13015 if (!appData.clockMode) {
13017 } else if (movesPerSession > 0) {
13018 sprintf(buf, "%d/%ld", movesPerSession, timeControl/1000);
13019 } else if (timeIncrement == 0) {
13020 sprintf(buf, "%ld", timeControl/1000);
13022 sprintf(buf, "%ld+%ld", timeControl/1000, timeIncrement/1000);
13024 return StrSave(buf);
13030 /* This routine is used only for certain modes */
13031 VariantClass v = gameInfo.variant;
13032 ChessMove r = GameUnfinished;
13035 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
13036 r = gameInfo.result;
13037 p = gameInfo.resultDetails;
13038 gameInfo.resultDetails = NULL;
13040 ClearGameInfo(&gameInfo);
13041 gameInfo.variant = v;
13043 switch (gameMode) {
13044 case MachinePlaysWhite:
13045 gameInfo.event = StrSave( appData.pgnEventHeader );
13046 gameInfo.site = StrSave(HostName());
13047 gameInfo.date = PGNDate();
13048 gameInfo.round = StrSave("-");
13049 gameInfo.white = StrSave(first.tidy);
13050 gameInfo.black = StrSave(UserName());
13051 gameInfo.timeControl = TimeControlTagValue();
13054 case MachinePlaysBlack:
13055 gameInfo.event = StrSave( appData.pgnEventHeader );
13056 gameInfo.site = StrSave(HostName());
13057 gameInfo.date = PGNDate();
13058 gameInfo.round = StrSave("-");
13059 gameInfo.white = StrSave(UserName());
13060 gameInfo.black = StrSave(first.tidy);
13061 gameInfo.timeControl = TimeControlTagValue();
13064 case TwoMachinesPlay:
13065 gameInfo.event = StrSave( appData.pgnEventHeader );
13066 gameInfo.site = StrSave(HostName());
13067 gameInfo.date = PGNDate();
13068 if (matchGame > 0) {
13070 sprintf(buf, "%d", matchGame);
13071 gameInfo.round = StrSave(buf);
13073 gameInfo.round = StrSave("-");
13075 if (first.twoMachinesColor[0] == 'w') {
13076 gameInfo.white = StrSave(first.tidy);
13077 gameInfo.black = StrSave(second.tidy);
13079 gameInfo.white = StrSave(second.tidy);
13080 gameInfo.black = StrSave(first.tidy);
13082 gameInfo.timeControl = TimeControlTagValue();
13086 gameInfo.event = StrSave("Edited game");
13087 gameInfo.site = StrSave(HostName());
13088 gameInfo.date = PGNDate();
13089 gameInfo.round = StrSave("-");
13090 gameInfo.white = StrSave("-");
13091 gameInfo.black = StrSave("-");
13092 gameInfo.result = r;
13093 gameInfo.resultDetails = p;
13097 gameInfo.event = StrSave("Edited position");
13098 gameInfo.site = StrSave(HostName());
13099 gameInfo.date = PGNDate();
13100 gameInfo.round = StrSave("-");
13101 gameInfo.white = StrSave("-");
13102 gameInfo.black = StrSave("-");
13105 case IcsPlayingWhite:
13106 case IcsPlayingBlack:
13111 case PlayFromGameFile:
13112 gameInfo.event = StrSave("Game from non-PGN file");
13113 gameInfo.site = StrSave(HostName());
13114 gameInfo.date = PGNDate();
13115 gameInfo.round = StrSave("-");
13116 gameInfo.white = StrSave("?");
13117 gameInfo.black = StrSave("?");
13126 ReplaceComment(index, text)
13132 while (*text == '\n') text++;
13133 len = strlen(text);
13134 while (len > 0 && text[len - 1] == '\n') len--;
13136 if (commentList[index] != NULL)
13137 free(commentList[index]);
13140 commentList[index] = NULL;
13143 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
13144 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
13145 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
13146 commentList[index] = (char *) malloc(len + 2);
13147 strncpy(commentList[index], text, len);
13148 commentList[index][len] = '\n';
13149 commentList[index][len + 1] = NULLCHAR;
13151 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
13153 commentList[index] = (char *) malloc(len + 6);
13154 strcpy(commentList[index], "{\n");
13155 strncpy(commentList[index]+2, text, len);
13156 commentList[index][len+2] = NULLCHAR;
13157 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
13158 strcat(commentList[index], "\n}\n");
13172 if (ch == '\r') continue;
13174 } while (ch != '\0');
13178 AppendComment(index, text, addBraces)
13181 Boolean addBraces; // [HGM] braces: tells if we should add {}
13186 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
13187 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
13190 while (*text == '\n') text++;
13191 len = strlen(text);
13192 while (len > 0 && text[len - 1] == '\n') len--;
13194 if (len == 0) return;
13196 if (commentList[index] != NULL) {
13197 old = commentList[index];
13198 oldlen = strlen(old);
13199 while(commentList[index][oldlen-1] == '\n')
13200 commentList[index][--oldlen] = NULLCHAR;
13201 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
13202 strcpy(commentList[index], old);
13204 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
13205 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces)) {
13206 if(addBraces) addBraces = FALSE; else { text++; len--; }
13207 while (*text == '\n') { text++; len--; }
13208 commentList[index][--oldlen] = NULLCHAR;
13210 if(addBraces) strcat(commentList[index], "\n{\n");
13211 else strcat(commentList[index], "\n");
13212 strcat(commentList[index], text);
13213 if(addBraces) strcat(commentList[index], "\n}\n");
13214 else strcat(commentList[index], "\n");
13216 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
13218 strcpy(commentList[index], "{\n");
13219 else commentList[index][0] = NULLCHAR;
13220 strcat(commentList[index], text);
13221 strcat(commentList[index], "\n");
13222 if(addBraces) strcat(commentList[index], "}\n");
13226 static char * FindStr( char * text, char * sub_text )
13228 char * result = strstr( text, sub_text );
13230 if( result != NULL ) {
13231 result += strlen( sub_text );
13237 /* [AS] Try to extract PV info from PGN comment */
13238 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
13239 char *GetInfoFromComment( int index, char * text )
13243 if( text != NULL && index > 0 ) {
13246 int time = -1, sec = 0, deci;
13247 char * s_eval = FindStr( text, "[%eval " );
13248 char * s_emt = FindStr( text, "[%emt " );
13250 if( s_eval != NULL || s_emt != NULL ) {
13254 if( s_eval != NULL ) {
13255 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
13259 if( delim != ']' ) {
13264 if( s_emt != NULL ) {
13269 /* We expect something like: [+|-]nnn.nn/dd */
13272 if(*text != '{') return text; // [HGM] braces: must be normal comment
13274 sep = strchr( text, '/' );
13275 if( sep == NULL || sep < (text+4) ) {
13279 time = -1; sec = -1; deci = -1;
13280 if( sscanf( text+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
13281 sscanf( text+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
13282 sscanf( text+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
13283 sscanf( text+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
13287 if( score_lo < 0 || score_lo >= 100 ) {
13291 if(sec >= 0) time = 600*time + 10*sec; else
13292 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
13294 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
13296 /* [HGM] PV time: now locate end of PV info */
13297 while( *++sep >= '0' && *sep <= '9'); // strip depth
13299 while( *++sep >= '0' && *sep <= '9'); // strip time
13301 while( *++sep >= '0' && *sep <= '9'); // strip seconds
13303 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
13304 while(*sep == ' ') sep++;
13315 pvInfoList[index-1].depth = depth;
13316 pvInfoList[index-1].score = score;
13317 pvInfoList[index-1].time = 10*time; // centi-sec
13318 if(*sep == '}') *sep = 0; else *--sep = '{';
13324 SendToProgram(message, cps)
13326 ChessProgramState *cps;
13328 int count, outCount, error;
13331 if (cps->pr == NULL) return;
13334 if (appData.debugMode) {
13337 fprintf(debugFP, "%ld >%-6s: %s",
13338 SubtractTimeMarks(&now, &programStartTime),
13339 cps->which, message);
13342 count = strlen(message);
13343 outCount = OutputToProcess(cps->pr, message, count, &error);
13344 if (outCount < count && !exiting
13345 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
13346 sprintf(buf, _("Error writing to %s chess program"), cps->which);
13347 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13348 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13349 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13350 sprintf(buf, "%s program exits in draw position (%s)", cps->which, cps->program);
13352 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13354 gameInfo.resultDetails = StrSave(buf);
13356 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13361 ReceiveFromProgram(isr, closure, message, count, error)
13362 InputSourceRef isr;
13370 ChessProgramState *cps = (ChessProgramState *)closure;
13372 if (isr != cps->isr) return; /* Killed intentionally */
13376 _("Error: %s chess program (%s) exited unexpectedly"),
13377 cps->which, cps->program);
13378 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13379 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13380 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13381 sprintf(buf, _("%s program exits in draw position (%s)"), cps->which, cps->program);
13383 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13385 gameInfo.resultDetails = StrSave(buf);
13387 RemoveInputSource(cps->isr);
13388 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
13391 _("Error reading from %s chess program (%s)"),
13392 cps->which, cps->program);
13393 RemoveInputSource(cps->isr);
13395 /* [AS] Program is misbehaving badly... kill it */
13396 if( count == -2 ) {
13397 DestroyChildProcess( cps->pr, 9 );
13401 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13406 if ((end_str = strchr(message, '\r')) != NULL)
13407 *end_str = NULLCHAR;
13408 if ((end_str = strchr(message, '\n')) != NULL)
13409 *end_str = NULLCHAR;
13411 if (appData.debugMode) {
13412 TimeMark now; int print = 1;
13413 char *quote = ""; char c; int i;
13415 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
13416 char start = message[0];
13417 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
13418 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
13419 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
13420 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
13421 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
13422 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
13423 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
13424 sscanf(message, "pong %c", &c)!=1 && start != '#') {
13425 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
13426 print = (appData.engineComments >= 2);
13428 message[0] = start; // restore original message
13432 fprintf(debugFP, "%ld <%-6s: %s%s\n",
13433 SubtractTimeMarks(&now, &programStartTime), cps->which,
13439 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
13440 if (appData.icsEngineAnalyze) {
13441 if (strstr(message, "whisper") != NULL ||
13442 strstr(message, "kibitz") != NULL ||
13443 strstr(message, "tellics") != NULL) return;
13446 HandleMachineMove(message, cps);
13451 SendTimeControl(cps, mps, tc, inc, sd, st)
13452 ChessProgramState *cps;
13453 int mps, inc, sd, st;
13459 if( timeControl_2 > 0 ) {
13460 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
13461 tc = timeControl_2;
13464 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
13465 inc /= cps->timeOdds;
13466 st /= cps->timeOdds;
13468 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
13471 /* Set exact time per move, normally using st command */
13472 if (cps->stKludge) {
13473 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
13475 if (seconds == 0) {
13476 sprintf(buf, "level 1 %d\n", st/60);
13478 sprintf(buf, "level 1 %d:%02d\n", st/60, seconds);
13481 sprintf(buf, "st %d\n", st);
13484 /* Set conventional or incremental time control, using level command */
13485 if (seconds == 0) {
13486 /* Note old gnuchess bug -- minutes:seconds used to not work.
13487 Fixed in later versions, but still avoid :seconds
13488 when seconds is 0. */
13489 sprintf(buf, "level %d %ld %d\n", mps, tc/60000, inc/1000);
13491 sprintf(buf, "level %d %ld:%02d %d\n", mps, tc/60000,
13492 seconds, inc/1000);
13495 SendToProgram(buf, cps);
13497 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
13498 /* Orthogonally, limit search to given depth */
13500 if (cps->sdKludge) {
13501 sprintf(buf, "depth\n%d\n", sd);
13503 sprintf(buf, "sd %d\n", sd);
13505 SendToProgram(buf, cps);
13508 if(cps->nps > 0) { /* [HGM] nps */
13509 if(cps->supportsNPS == FALSE) cps->nps = -1; // don't use if engine explicitly says not supported!
13511 sprintf(buf, "nps %d\n", cps->nps);
13512 SendToProgram(buf, cps);
13517 ChessProgramState *WhitePlayer()
13518 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
13520 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
13521 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
13527 SendTimeRemaining(cps, machineWhite)
13528 ChessProgramState *cps;
13529 int /*boolean*/ machineWhite;
13531 char message[MSG_SIZ];
13534 /* Note: this routine must be called when the clocks are stopped
13535 or when they have *just* been set or switched; otherwise
13536 it will be off by the time since the current tick started.
13538 if (machineWhite) {
13539 time = whiteTimeRemaining / 10;
13540 otime = blackTimeRemaining / 10;
13542 time = blackTimeRemaining / 10;
13543 otime = whiteTimeRemaining / 10;
13545 /* [HGM] translate opponent's time by time-odds factor */
13546 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
13547 if (appData.debugMode) {
13548 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
13551 if (time <= 0) time = 1;
13552 if (otime <= 0) otime = 1;
13554 sprintf(message, "time %ld\n", time);
13555 SendToProgram(message, cps);
13557 sprintf(message, "otim %ld\n", otime);
13558 SendToProgram(message, cps);
13562 BoolFeature(p, name, loc, cps)
13566 ChessProgramState *cps;
13569 int len = strlen(name);
13571 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13573 sscanf(*p, "%d", &val);
13575 while (**p && **p != ' ') (*p)++;
13576 sprintf(buf, "accepted %s\n", name);
13577 SendToProgram(buf, cps);
13584 IntFeature(p, name, loc, cps)
13588 ChessProgramState *cps;
13591 int len = strlen(name);
13592 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13594 sscanf(*p, "%d", loc);
13595 while (**p && **p != ' ') (*p)++;
13596 sprintf(buf, "accepted %s\n", name);
13597 SendToProgram(buf, cps);
13604 StringFeature(p, name, loc, cps)
13608 ChessProgramState *cps;
13611 int len = strlen(name);
13612 if (strncmp((*p), name, len) == 0
13613 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
13615 sscanf(*p, "%[^\"]", loc);
13616 while (**p && **p != '\"') (*p)++;
13617 if (**p == '\"') (*p)++;
13618 sprintf(buf, "accepted %s\n", name);
13619 SendToProgram(buf, cps);
13626 ParseOption(Option *opt, ChessProgramState *cps)
13627 // [HGM] options: process the string that defines an engine option, and determine
13628 // name, type, default value, and allowed value range
13630 char *p, *q, buf[MSG_SIZ];
13631 int n, min = (-1)<<31, max = 1<<31, def;
13633 if(p = strstr(opt->name, " -spin ")) {
13634 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13635 if(max < min) max = min; // enforce consistency
13636 if(def < min) def = min;
13637 if(def > max) def = max;
13642 } else if((p = strstr(opt->name, " -slider "))) {
13643 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
13644 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13645 if(max < min) max = min; // enforce consistency
13646 if(def < min) def = min;
13647 if(def > max) def = max;
13651 opt->type = Spin; // Slider;
13652 } else if((p = strstr(opt->name, " -string "))) {
13653 opt->textValue = p+9;
13654 opt->type = TextBox;
13655 } else if((p = strstr(opt->name, " -file "))) {
13656 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13657 opt->textValue = p+7;
13658 opt->type = TextBox; // FileName;
13659 } else if((p = strstr(opt->name, " -path "))) {
13660 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13661 opt->textValue = p+7;
13662 opt->type = TextBox; // PathName;
13663 } else if(p = strstr(opt->name, " -check ")) {
13664 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
13665 opt->value = (def != 0);
13666 opt->type = CheckBox;
13667 } else if(p = strstr(opt->name, " -combo ")) {
13668 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
13669 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
13670 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
13671 opt->value = n = 0;
13672 while(q = StrStr(q, " /// ")) {
13673 n++; *q = 0; // count choices, and null-terminate each of them
13675 if(*q == '*') { // remember default, which is marked with * prefix
13679 cps->comboList[cps->comboCnt++] = q;
13681 cps->comboList[cps->comboCnt++] = NULL;
13683 opt->type = ComboBox;
13684 } else if(p = strstr(opt->name, " -button")) {
13685 opt->type = Button;
13686 } else if(p = strstr(opt->name, " -save")) {
13687 opt->type = SaveButton;
13688 } else return FALSE;
13689 *p = 0; // terminate option name
13690 // now look if the command-line options define a setting for this engine option.
13691 if(cps->optionSettings && cps->optionSettings[0])
13692 p = strstr(cps->optionSettings, opt->name); else p = NULL;
13693 if(p && (p == cps->optionSettings || p[-1] == ',')) {
13694 sprintf(buf, "option %s", p);
13695 if(p = strstr(buf, ",")) *p = 0;
13697 SendToProgram(buf, cps);
13703 FeatureDone(cps, val)
13704 ChessProgramState* cps;
13707 DelayedEventCallback cb = GetDelayedEvent();
13708 if ((cb == InitBackEnd3 && cps == &first) ||
13709 (cb == TwoMachinesEventIfReady && cps == &second)) {
13710 CancelDelayedEvent();
13711 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
13713 cps->initDone = val;
13716 /* Parse feature command from engine */
13718 ParseFeatures(args, cps)
13720 ChessProgramState *cps;
13728 while (*p == ' ') p++;
13729 if (*p == NULLCHAR) return;
13731 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
13732 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
13733 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
13734 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
13735 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
13736 if (BoolFeature(&p, "reuse", &val, cps)) {
13737 /* Engine can disable reuse, but can't enable it if user said no */
13738 if (!val) cps->reuse = FALSE;
13741 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
13742 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
13743 if (gameMode == TwoMachinesPlay) {
13744 DisplayTwoMachinesTitle();
13750 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
13751 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
13752 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
13753 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
13754 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
13755 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
13756 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
13757 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
13758 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
13759 if (IntFeature(&p, "done", &val, cps)) {
13760 FeatureDone(cps, val);
13763 /* Added by Tord: */
13764 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
13765 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
13766 /* End of additions by Tord */
13768 /* [HGM] added features: */
13769 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
13770 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
13771 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
13772 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
13773 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13774 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
13775 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
13776 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
13777 sprintf(buf, "rejected option %s\n", cps->option[--cps->nrOptions].name);
13778 SendToProgram(buf, cps);
13781 if(cps->nrOptions >= MAX_OPTIONS) {
13783 sprintf(buf, "%s engine has too many options\n", cps->which);
13784 DisplayError(buf, 0);
13788 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13789 /* End of additions by HGM */
13791 /* unknown feature: complain and skip */
13793 while (*q && *q != '=') q++;
13794 sprintf(buf, "rejected %.*s\n", (int)(q-p), p);
13795 SendToProgram(buf, cps);
13801 while (*p && *p != '\"') p++;
13802 if (*p == '\"') p++;
13804 while (*p && *p != ' ') p++;
13812 PeriodicUpdatesEvent(newState)
13815 if (newState == appData.periodicUpdates)
13818 appData.periodicUpdates=newState;
13820 /* Display type changes, so update it now */
13821 // DisplayAnalysis();
13823 /* Get the ball rolling again... */
13825 AnalysisPeriodicEvent(1);
13826 StartAnalysisClock();
13831 PonderNextMoveEvent(newState)
13834 if (newState == appData.ponderNextMove) return;
13835 if (gameMode == EditPosition) EditPositionDone(TRUE);
13837 SendToProgram("hard\n", &first);
13838 if (gameMode == TwoMachinesPlay) {
13839 SendToProgram("hard\n", &second);
13842 SendToProgram("easy\n", &first);
13843 thinkOutput[0] = NULLCHAR;
13844 if (gameMode == TwoMachinesPlay) {
13845 SendToProgram("easy\n", &second);
13848 appData.ponderNextMove = newState;
13852 NewSettingEvent(option, command, value)
13858 if (gameMode == EditPosition) EditPositionDone(TRUE);
13859 sprintf(buf, "%s%s %d\n", (option ? "option ": ""), command, value);
13860 SendToProgram(buf, &first);
13861 if (gameMode == TwoMachinesPlay) {
13862 SendToProgram(buf, &second);
13867 ShowThinkingEvent()
13868 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
13870 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
13871 int newState = appData.showThinking
13872 // [HGM] thinking: other features now need thinking output as well
13873 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
13875 if (oldState == newState) return;
13876 oldState = newState;
13877 if (gameMode == EditPosition) EditPositionDone(TRUE);
13879 SendToProgram("post\n", &first);
13880 if (gameMode == TwoMachinesPlay) {
13881 SendToProgram("post\n", &second);
13884 SendToProgram("nopost\n", &first);
13885 thinkOutput[0] = NULLCHAR;
13886 if (gameMode == TwoMachinesPlay) {
13887 SendToProgram("nopost\n", &second);
13890 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
13894 AskQuestionEvent(title, question, replyPrefix, which)
13895 char *title; char *question; char *replyPrefix; char *which;
13897 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
13898 if (pr == NoProc) return;
13899 AskQuestion(title, question, replyPrefix, pr);
13903 DisplayMove(moveNumber)
13906 char message[MSG_SIZ];
13908 char cpThinkOutput[MSG_SIZ];
13910 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
13912 if (moveNumber == forwardMostMove - 1 ||
13913 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13915 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput));
13917 if (strchr(cpThinkOutput, '\n')) {
13918 *strchr(cpThinkOutput, '\n') = NULLCHAR;
13921 *cpThinkOutput = NULLCHAR;
13924 /* [AS] Hide thinking from human user */
13925 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
13926 *cpThinkOutput = NULLCHAR;
13927 if( thinkOutput[0] != NULLCHAR ) {
13930 for( i=0; i<=hiddenThinkOutputState; i++ ) {
13931 cpThinkOutput[i] = '.';
13933 cpThinkOutput[i] = NULLCHAR;
13934 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
13938 if (moveNumber == forwardMostMove - 1 &&
13939 gameInfo.resultDetails != NULL) {
13940 if (gameInfo.resultDetails[0] == NULLCHAR) {
13941 sprintf(res, " %s", PGNResult(gameInfo.result));
13943 sprintf(res, " {%s} %s",
13944 gameInfo.resultDetails, PGNResult(gameInfo.result));
13950 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
13951 DisplayMessage(res, cpThinkOutput);
13953 sprintf(message, "%d.%s%s%s", moveNumber / 2 + 1,
13954 WhiteOnMove(moveNumber) ? " " : ".. ",
13955 parseList[moveNumber], res);
13956 DisplayMessage(message, cpThinkOutput);
13961 DisplayComment(moveNumber, text)
13965 char title[MSG_SIZ];
13966 char buf[8000]; // comment can be long!
13969 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
13970 strcpy(title, "Comment");
13972 sprintf(title, "Comment on %d.%s%s", moveNumber / 2 + 1,
13973 WhiteOnMove(moveNumber) ? " " : ".. ",
13974 parseList[moveNumber]);
13976 // [HGM] PV info: display PV info together with (or as) comment
13977 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
13978 if(text == NULL) text = "";
13979 score = pvInfoList[moveNumber].score;
13980 sprintf(buf, "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
13981 depth, (pvInfoList[moveNumber].time+50)/100, text);
13984 if (text != NULL && (appData.autoDisplayComment || commentUp))
13985 CommentPopUp(title, text);
13988 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
13989 * might be busy thinking or pondering. It can be omitted if your
13990 * gnuchess is configured to stop thinking immediately on any user
13991 * input. However, that gnuchess feature depends on the FIONREAD
13992 * ioctl, which does not work properly on some flavors of Unix.
13996 ChessProgramState *cps;
13999 if (!cps->useSigint) return;
14000 if (appData.noChessProgram || (cps->pr == NoProc)) return;
14001 switch (gameMode) {
14002 case MachinePlaysWhite:
14003 case MachinePlaysBlack:
14004 case TwoMachinesPlay:
14005 case IcsPlayingWhite:
14006 case IcsPlayingBlack:
14009 /* Skip if we know it isn't thinking */
14010 if (!cps->maybeThinking) return;
14011 if (appData.debugMode)
14012 fprintf(debugFP, "Interrupting %s\n", cps->which);
14013 InterruptChildProcess(cps->pr);
14014 cps->maybeThinking = FALSE;
14019 #endif /*ATTENTION*/
14025 if (whiteTimeRemaining <= 0) {
14028 if (appData.icsActive) {
14029 if (appData.autoCallFlag &&
14030 gameMode == IcsPlayingBlack && !blackFlag) {
14031 SendToICS(ics_prefix);
14032 SendToICS("flag\n");
14036 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14038 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
14039 if (appData.autoCallFlag) {
14040 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
14047 if (blackTimeRemaining <= 0) {
14050 if (appData.icsActive) {
14051 if (appData.autoCallFlag &&
14052 gameMode == IcsPlayingWhite && !whiteFlag) {
14053 SendToICS(ics_prefix);
14054 SendToICS("flag\n");
14058 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14060 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
14061 if (appData.autoCallFlag) {
14062 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
14075 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
14076 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
14079 * add time to clocks when time control is achieved ([HGM] now also used for increment)
14081 if ( !WhiteOnMove(forwardMostMove) )
14082 /* White made time control */
14083 whiteTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
14084 /* [HGM] time odds: correct new time quota for time odds! */
14085 / WhitePlayer()->timeOdds;
14087 /* Black made time control */
14088 blackTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
14089 / WhitePlayer()->other->timeOdds;
14093 DisplayBothClocks()
14095 int wom = gameMode == EditPosition ?
14096 !blackPlaysFirst : WhiteOnMove(currentMove);
14097 DisplayWhiteClock(whiteTimeRemaining, wom);
14098 DisplayBlackClock(blackTimeRemaining, !wom);
14102 /* Timekeeping seems to be a portability nightmare. I think everyone
14103 has ftime(), but I'm really not sure, so I'm including some ifdefs
14104 to use other calls if you don't. Clocks will be less accurate if
14105 you have neither ftime nor gettimeofday.
14108 /* VS 2008 requires the #include outside of the function */
14109 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
14110 #include <sys/timeb.h>
14113 /* Get the current time as a TimeMark */
14118 #if HAVE_GETTIMEOFDAY
14120 struct timeval timeVal;
14121 struct timezone timeZone;
14123 gettimeofday(&timeVal, &timeZone);
14124 tm->sec = (long) timeVal.tv_sec;
14125 tm->ms = (int) (timeVal.tv_usec / 1000L);
14127 #else /*!HAVE_GETTIMEOFDAY*/
14130 // include <sys/timeb.h> / moved to just above start of function
14131 struct timeb timeB;
14134 tm->sec = (long) timeB.time;
14135 tm->ms = (int) timeB.millitm;
14137 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
14138 tm->sec = (long) time(NULL);
14144 /* Return the difference in milliseconds between two
14145 time marks. We assume the difference will fit in a long!
14148 SubtractTimeMarks(tm2, tm1)
14149 TimeMark *tm2, *tm1;
14151 return 1000L*(tm2->sec - tm1->sec) +
14152 (long) (tm2->ms - tm1->ms);
14157 * Code to manage the game clocks.
14159 * In tournament play, black starts the clock and then white makes a move.
14160 * We give the human user a slight advantage if he is playing white---the
14161 * clocks don't run until he makes his first move, so it takes zero time.
14162 * Also, we don't account for network lag, so we could get out of sync
14163 * with GNU Chess's clock -- but then, referees are always right.
14166 static TimeMark tickStartTM;
14167 static long intendedTickLength;
14170 NextTickLength(timeRemaining)
14171 long timeRemaining;
14173 long nominalTickLength, nextTickLength;
14175 if (timeRemaining > 0L && timeRemaining <= 10000L)
14176 nominalTickLength = 100L;
14178 nominalTickLength = 1000L;
14179 nextTickLength = timeRemaining % nominalTickLength;
14180 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
14182 return nextTickLength;
14185 /* Adjust clock one minute up or down */
14187 AdjustClock(Boolean which, int dir)
14189 if(which) blackTimeRemaining += 60000*dir;
14190 else whiteTimeRemaining += 60000*dir;
14191 DisplayBothClocks();
14194 /* Stop clocks and reset to a fresh time control */
14198 (void) StopClockTimer();
14199 if (appData.icsActive) {
14200 whiteTimeRemaining = blackTimeRemaining = 0;
14201 } else if (searchTime) {
14202 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14203 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14204 } else { /* [HGM] correct new time quote for time odds */
14205 whiteTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->timeOdds;
14206 blackTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->other->timeOdds;
14208 if (whiteFlag || blackFlag) {
14210 whiteFlag = blackFlag = FALSE;
14212 DisplayBothClocks();
14215 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
14217 /* Decrement running clock by amount of time that has passed */
14221 long timeRemaining;
14222 long lastTickLength, fudge;
14225 if (!appData.clockMode) return;
14226 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
14230 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14232 /* Fudge if we woke up a little too soon */
14233 fudge = intendedTickLength - lastTickLength;
14234 if (fudge < 0 || fudge > FUDGE) fudge = 0;
14236 if (WhiteOnMove(forwardMostMove)) {
14237 if(whiteNPS >= 0) lastTickLength = 0;
14238 timeRemaining = whiteTimeRemaining -= lastTickLength;
14239 DisplayWhiteClock(whiteTimeRemaining - fudge,
14240 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14242 if(blackNPS >= 0) lastTickLength = 0;
14243 timeRemaining = blackTimeRemaining -= lastTickLength;
14244 DisplayBlackClock(blackTimeRemaining - fudge,
14245 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14248 if (CheckFlags()) return;
14251 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
14252 StartClockTimer(intendedTickLength);
14254 /* if the time remaining has fallen below the alarm threshold, sound the
14255 * alarm. if the alarm has sounded and (due to a takeback or time control
14256 * with increment) the time remaining has increased to a level above the
14257 * threshold, reset the alarm so it can sound again.
14260 if (appData.icsActive && appData.icsAlarm) {
14262 /* make sure we are dealing with the user's clock */
14263 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
14264 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
14267 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
14268 alarmSounded = FALSE;
14269 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
14271 alarmSounded = TRUE;
14277 /* A player has just moved, so stop the previously running
14278 clock and (if in clock mode) start the other one.
14279 We redisplay both clocks in case we're in ICS mode, because
14280 ICS gives us an update to both clocks after every move.
14281 Note that this routine is called *after* forwardMostMove
14282 is updated, so the last fractional tick must be subtracted
14283 from the color that is *not* on move now.
14286 SwitchClocks(int newMoveNr)
14288 long lastTickLength;
14290 int flagged = FALSE;
14294 if (StopClockTimer() && appData.clockMode) {
14295 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14296 if (!WhiteOnMove(forwardMostMove)) {
14297 if(blackNPS >= 0) lastTickLength = 0;
14298 blackTimeRemaining -= lastTickLength;
14299 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14300 // if(pvInfoList[forwardMostMove-1].time == -1)
14301 pvInfoList[forwardMostMove-1].time = // use GUI time
14302 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
14304 if(whiteNPS >= 0) lastTickLength = 0;
14305 whiteTimeRemaining -= lastTickLength;
14306 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14307 // if(pvInfoList[forwardMostMove-1].time == -1)
14308 pvInfoList[forwardMostMove-1].time =
14309 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
14311 flagged = CheckFlags();
14313 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
14314 CheckTimeControl();
14316 if (flagged || !appData.clockMode) return;
14318 switch (gameMode) {
14319 case MachinePlaysBlack:
14320 case MachinePlaysWhite:
14321 case BeginningOfGame:
14322 if (pausing) return;
14326 case PlayFromGameFile:
14334 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
14335 if(WhiteOnMove(forwardMostMove))
14336 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14337 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14341 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14342 whiteTimeRemaining : blackTimeRemaining);
14343 StartClockTimer(intendedTickLength);
14347 /* Stop both clocks */
14351 long lastTickLength;
14354 if (!StopClockTimer()) return;
14355 if (!appData.clockMode) return;
14359 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14360 if (WhiteOnMove(forwardMostMove)) {
14361 if(whiteNPS >= 0) lastTickLength = 0;
14362 whiteTimeRemaining -= lastTickLength;
14363 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
14365 if(blackNPS >= 0) lastTickLength = 0;
14366 blackTimeRemaining -= lastTickLength;
14367 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
14372 /* Start clock of player on move. Time may have been reset, so
14373 if clock is already running, stop and restart it. */
14377 (void) StopClockTimer(); /* in case it was running already */
14378 DisplayBothClocks();
14379 if (CheckFlags()) return;
14381 if (!appData.clockMode) return;
14382 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
14384 GetTimeMark(&tickStartTM);
14385 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14386 whiteTimeRemaining : blackTimeRemaining);
14388 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
14389 whiteNPS = blackNPS = -1;
14390 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
14391 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
14392 whiteNPS = first.nps;
14393 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
14394 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
14395 blackNPS = first.nps;
14396 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
14397 whiteNPS = second.nps;
14398 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
14399 blackNPS = second.nps;
14400 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
14402 StartClockTimer(intendedTickLength);
14409 long second, minute, hour, day;
14411 static char buf[32];
14413 if (ms > 0 && ms <= 9900) {
14414 /* convert milliseconds to tenths, rounding up */
14415 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
14417 sprintf(buf, " %03.1f ", tenths/10.0);
14421 /* convert milliseconds to seconds, rounding up */
14422 /* use floating point to avoid strangeness of integer division
14423 with negative dividends on many machines */
14424 second = (long) floor(((double) (ms + 999L)) / 1000.0);
14431 day = second / (60 * 60 * 24);
14432 second = second % (60 * 60 * 24);
14433 hour = second / (60 * 60);
14434 second = second % (60 * 60);
14435 minute = second / 60;
14436 second = second % 60;
14439 sprintf(buf, " %s%ld:%02ld:%02ld:%02ld ",
14440 sign, day, hour, minute, second);
14442 sprintf(buf, " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
14444 sprintf(buf, " %s%2ld:%02ld ", sign, minute, second);
14451 * This is necessary because some C libraries aren't ANSI C compliant yet.
14454 StrStr(string, match)
14455 char *string, *match;
14459 length = strlen(match);
14461 for (i = strlen(string) - length; i >= 0; i--, string++)
14462 if (!strncmp(match, string, length))
14469 StrCaseStr(string, match)
14470 char *string, *match;
14474 length = strlen(match);
14476 for (i = strlen(string) - length; i >= 0; i--, string++) {
14477 for (j = 0; j < length; j++) {
14478 if (ToLower(match[j]) != ToLower(string[j]))
14481 if (j == length) return string;
14495 c1 = ToLower(*s1++);
14496 c2 = ToLower(*s2++);
14497 if (c1 > c2) return 1;
14498 if (c1 < c2) return -1;
14499 if (c1 == NULLCHAR) return 0;
14508 return isupper(c) ? tolower(c) : c;
14516 return islower(c) ? toupper(c) : c;
14518 #endif /* !_amigados */
14526 if ((ret = (char *) malloc(strlen(s) + 1))) {
14533 StrSavePtr(s, savePtr)
14534 char *s, **savePtr;
14539 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
14540 strcpy(*savePtr, s);
14552 clock = time((time_t *)NULL);
14553 tm = localtime(&clock);
14554 sprintf(buf, "%04d.%02d.%02d",
14555 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
14556 return StrSave(buf);
14561 PositionToFEN(move, overrideCastling)
14563 char *overrideCastling;
14565 int i, j, fromX, fromY, toX, toY;
14572 whiteToPlay = (gameMode == EditPosition) ?
14573 !blackPlaysFirst : (move % 2 == 0);
14576 /* Piece placement data */
14577 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14579 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14580 if (boards[move][i][j] == EmptySquare) {
14582 } else { ChessSquare piece = boards[move][i][j];
14583 if (emptycount > 0) {
14584 if(emptycount<10) /* [HGM] can be >= 10 */
14585 *p++ = '0' + emptycount;
14586 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14589 if(PieceToChar(piece) == '+') {
14590 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
14592 piece = (ChessSquare)(DEMOTED piece);
14594 *p++ = PieceToChar(piece);
14596 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
14597 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
14602 if (emptycount > 0) {
14603 if(emptycount<10) /* [HGM] can be >= 10 */
14604 *p++ = '0' + emptycount;
14605 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14612 /* [HGM] print Crazyhouse or Shogi holdings */
14613 if( gameInfo.holdingsWidth ) {
14614 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
14616 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
14617 piece = boards[move][i][BOARD_WIDTH-1];
14618 if( piece != EmptySquare )
14619 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
14620 *p++ = PieceToChar(piece);
14622 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
14623 piece = boards[move][BOARD_HEIGHT-i-1][0];
14624 if( piece != EmptySquare )
14625 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
14626 *p++ = PieceToChar(piece);
14629 if( q == p ) *p++ = '-';
14635 *p++ = whiteToPlay ? 'w' : 'b';
14638 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
14639 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
14641 if(nrCastlingRights) {
14643 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
14644 /* [HGM] write directly from rights */
14645 if(boards[move][CASTLING][2] != NoRights &&
14646 boards[move][CASTLING][0] != NoRights )
14647 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
14648 if(boards[move][CASTLING][2] != NoRights &&
14649 boards[move][CASTLING][1] != NoRights )
14650 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
14651 if(boards[move][CASTLING][5] != NoRights &&
14652 boards[move][CASTLING][3] != NoRights )
14653 *p++ = boards[move][CASTLING][3] + AAA;
14654 if(boards[move][CASTLING][5] != NoRights &&
14655 boards[move][CASTLING][4] != NoRights )
14656 *p++ = boards[move][CASTLING][4] + AAA;
14659 /* [HGM] write true castling rights */
14660 if( nrCastlingRights == 6 ) {
14661 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
14662 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
14663 if(boards[move][CASTLING][1] == BOARD_LEFT &&
14664 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
14665 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
14666 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
14667 if(boards[move][CASTLING][4] == BOARD_LEFT &&
14668 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
14671 if (q == p) *p++ = '-'; /* No castling rights */
14675 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14676 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14677 /* En passant target square */
14678 if (move > backwardMostMove) {
14679 fromX = moveList[move - 1][0] - AAA;
14680 fromY = moveList[move - 1][1] - ONE;
14681 toX = moveList[move - 1][2] - AAA;
14682 toY = moveList[move - 1][3] - ONE;
14683 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
14684 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
14685 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
14687 /* 2-square pawn move just happened */
14689 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14693 } else if(move == backwardMostMove) {
14694 // [HGM] perhaps we should always do it like this, and forget the above?
14695 if((signed char)boards[move][EP_STATUS] >= 0) {
14696 *p++ = boards[move][EP_STATUS] + AAA;
14697 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14708 /* [HGM] find reversible plies */
14709 { int i = 0, j=move;
14711 if (appData.debugMode) { int k;
14712 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
14713 for(k=backwardMostMove; k<=forwardMostMove; k++)
14714 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
14718 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
14719 if( j == backwardMostMove ) i += initialRulePlies;
14720 sprintf(p, "%d ", i);
14721 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
14723 /* Fullmove number */
14724 sprintf(p, "%d", (move / 2) + 1);
14726 return StrSave(buf);
14730 ParseFEN(board, blackPlaysFirst, fen)
14732 int *blackPlaysFirst;
14742 /* [HGM] by default clear Crazyhouse holdings, if present */
14743 if(gameInfo.holdingsWidth) {
14744 for(i=0; i<BOARD_HEIGHT; i++) {
14745 board[i][0] = EmptySquare; /* black holdings */
14746 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
14747 board[i][1] = (ChessSquare) 0; /* black counts */
14748 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
14752 /* Piece placement data */
14753 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14756 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
14757 if (*p == '/') p++;
14758 emptycount = gameInfo.boardWidth - j;
14759 while (emptycount--)
14760 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14762 #if(BOARD_FILES >= 10)
14763 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
14764 p++; emptycount=10;
14765 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14766 while (emptycount--)
14767 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14769 } else if (isdigit(*p)) {
14770 emptycount = *p++ - '0';
14771 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
14772 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14773 while (emptycount--)
14774 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14775 } else if (*p == '+' || isalpha(*p)) {
14776 if (j >= gameInfo.boardWidth) return FALSE;
14778 piece = CharToPiece(*++p);
14779 if(piece == EmptySquare) return FALSE; /* unknown piece */
14780 piece = (ChessSquare) (PROMOTED piece ); p++;
14781 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
14782 } else piece = CharToPiece(*p++);
14784 if(piece==EmptySquare) return FALSE; /* unknown piece */
14785 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
14786 piece = (ChessSquare) (PROMOTED piece);
14787 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
14790 board[i][(j++)+gameInfo.holdingsWidth] = piece;
14796 while (*p == '/' || *p == ' ') p++;
14798 /* [HGM] look for Crazyhouse holdings here */
14799 while(*p==' ') p++;
14800 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
14802 if(*p == '-' ) *p++; /* empty holdings */ else {
14803 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
14804 /* if we would allow FEN reading to set board size, we would */
14805 /* have to add holdings and shift the board read so far here */
14806 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
14808 if((int) piece >= (int) BlackPawn ) {
14809 i = (int)piece - (int)BlackPawn;
14810 i = PieceToNumber((ChessSquare)i);
14811 if( i >= gameInfo.holdingsSize ) return FALSE;
14812 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
14813 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
14815 i = (int)piece - (int)WhitePawn;
14816 i = PieceToNumber((ChessSquare)i);
14817 if( i >= gameInfo.holdingsSize ) return FALSE;
14818 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
14819 board[i][BOARD_WIDTH-2]++; /* black holdings */
14823 if(*p == ']') *p++;
14826 while(*p == ' ') p++;
14831 *blackPlaysFirst = FALSE;
14834 *blackPlaysFirst = TRUE;
14840 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
14841 /* return the extra info in global variiables */
14843 /* set defaults in case FEN is incomplete */
14844 board[EP_STATUS] = EP_UNKNOWN;
14845 for(i=0; i<nrCastlingRights; i++ ) {
14846 board[CASTLING][i] =
14847 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
14848 } /* assume possible unless obviously impossible */
14849 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
14850 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
14851 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
14852 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
14853 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
14854 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
14855 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
14856 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
14859 while(*p==' ') p++;
14860 if(nrCastlingRights) {
14861 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
14862 /* castling indicator present, so default becomes no castlings */
14863 for(i=0; i<nrCastlingRights; i++ ) {
14864 board[CASTLING][i] = NoRights;
14867 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
14868 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
14869 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
14870 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
14871 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
14873 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
14874 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
14875 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
14877 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
14878 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
14879 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
14880 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
14881 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
14882 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
14885 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
14886 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
14887 board[CASTLING][2] = whiteKingFile;
14890 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
14891 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
14892 board[CASTLING][2] = whiteKingFile;
14895 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
14896 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
14897 board[CASTLING][5] = blackKingFile;
14900 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
14901 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
14902 board[CASTLING][5] = blackKingFile;
14905 default: /* FRC castlings */
14906 if(c >= 'a') { /* black rights */
14907 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
14908 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
14909 if(i == BOARD_RGHT) break;
14910 board[CASTLING][5] = i;
14912 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
14913 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
14915 board[CASTLING][3] = c;
14917 board[CASTLING][4] = c;
14918 } else { /* white rights */
14919 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
14920 if(board[0][i] == WhiteKing) break;
14921 if(i == BOARD_RGHT) break;
14922 board[CASTLING][2] = i;
14923 c -= AAA - 'a' + 'A';
14924 if(board[0][c] >= WhiteKing) break;
14926 board[CASTLING][0] = c;
14928 board[CASTLING][1] = c;
14932 for(i=0; i<nrCastlingRights; i++)
14933 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
14934 if (appData.debugMode) {
14935 fprintf(debugFP, "FEN castling rights:");
14936 for(i=0; i<nrCastlingRights; i++)
14937 fprintf(debugFP, " %d", board[CASTLING][i]);
14938 fprintf(debugFP, "\n");
14941 while(*p==' ') p++;
14944 /* read e.p. field in games that know e.p. capture */
14945 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14946 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14948 p++; board[EP_STATUS] = EP_NONE;
14950 char c = *p++ - AAA;
14952 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
14953 if(*p >= '0' && *p <='9') *p++;
14954 board[EP_STATUS] = c;
14959 if(sscanf(p, "%d", &i) == 1) {
14960 FENrulePlies = i; /* 50-move ply counter */
14961 /* (The move number is still ignored) */
14968 EditPositionPasteFEN(char *fen)
14971 Board initial_position;
14973 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
14974 DisplayError(_("Bad FEN position in clipboard"), 0);
14977 int savedBlackPlaysFirst = blackPlaysFirst;
14978 EditPositionEvent();
14979 blackPlaysFirst = savedBlackPlaysFirst;
14980 CopyBoard(boards[0], initial_position);
14981 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
14982 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
14983 DisplayBothClocks();
14984 DrawPosition(FALSE, boards[currentMove]);
14989 static char cseq[12] = "\\ ";
14991 Boolean set_cont_sequence(char *new_seq)
14996 // handle bad attempts to set the sequence
14998 return 0; // acceptable error - no debug
15000 len = strlen(new_seq);
15001 ret = (len > 0) && (len < sizeof(cseq));
15003 strcpy(cseq, new_seq);
15004 else if (appData.debugMode)
15005 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
15010 reformat a source message so words don't cross the width boundary. internal
15011 newlines are not removed. returns the wrapped size (no null character unless
15012 included in source message). If dest is NULL, only calculate the size required
15013 for the dest buffer. lp argument indicats line position upon entry, and it's
15014 passed back upon exit.
15016 int wrap(char *dest, char *src, int count, int width, int *lp)
15018 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
15020 cseq_len = strlen(cseq);
15021 old_line = line = *lp;
15022 ansi = len = clen = 0;
15024 for (i=0; i < count; i++)
15026 if (src[i] == '\033')
15029 // if we hit the width, back up
15030 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
15032 // store i & len in case the word is too long
15033 old_i = i, old_len = len;
15035 // find the end of the last word
15036 while (i && src[i] != ' ' && src[i] != '\n')
15042 // word too long? restore i & len before splitting it
15043 if ((old_i-i+clen) >= width)
15050 if (i && src[i-1] == ' ')
15053 if (src[i] != ' ' && src[i] != '\n')
15060 // now append the newline and continuation sequence
15065 strncpy(dest+len, cseq, cseq_len);
15073 dest[len] = src[i];
15077 if (src[i] == '\n')
15082 if (dest && appData.debugMode)
15084 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
15085 count, width, line, len, *lp);
15086 show_bytes(debugFP, src, count);
15087 fprintf(debugFP, "\ndest: ");
15088 show_bytes(debugFP, dest, len);
15089 fprintf(debugFP, "\n");
15091 *lp = dest ? line : old_line;
15096 // [HGM] vari: routines for shelving variations
15099 PushTail(int firstMove, int lastMove)
15101 int i, j, nrMoves = lastMove - firstMove;
15103 if(appData.icsActive) { // only in local mode
15104 forwardMostMove = currentMove; // mimic old ICS behavior
15107 if(storedGames >= MAX_VARIATIONS-1) return;
15109 // push current tail of game on stack
15110 savedResult[storedGames] = gameInfo.result;
15111 savedDetails[storedGames] = gameInfo.resultDetails;
15112 gameInfo.resultDetails = NULL;
15113 savedFirst[storedGames] = firstMove;
15114 savedLast [storedGames] = lastMove;
15115 savedFramePtr[storedGames] = framePtr;
15116 framePtr -= nrMoves; // reserve space for the boards
15117 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
15118 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
15119 for(j=0; j<MOVE_LEN; j++)
15120 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
15121 for(j=0; j<2*MOVE_LEN; j++)
15122 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
15123 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
15124 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
15125 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
15126 pvInfoList[firstMove+i-1].depth = 0;
15127 commentList[framePtr+i] = commentList[firstMove+i];
15128 commentList[firstMove+i] = NULL;
15132 forwardMostMove = firstMove; // truncate game so we can start variation
15133 if(storedGames == 1) GreyRevert(FALSE);
15137 PopTail(Boolean annotate)
15140 char buf[8000], moveBuf[20];
15142 if(appData.icsActive) return FALSE; // only in local mode
15143 if(!storedGames) return FALSE; // sanity
15144 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
15147 ToNrEvent(savedFirst[storedGames]); // sets currentMove
15148 nrMoves = savedLast[storedGames] - currentMove;
15151 if(!WhiteOnMove(currentMove)) sprintf(buf, "(%d...", currentMove+2>>1);
15152 else strcpy(buf, "(");
15153 for(i=currentMove; i<forwardMostMove; i++) {
15155 sprintf(moveBuf, " %d. %s", i+2>>1, SavePart(parseList[i]));
15156 else sprintf(moveBuf, " %s", SavePart(parseList[i]));
15157 strcat(buf, moveBuf);
15158 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
15159 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
15163 for(i=1; i<=nrMoves; i++) { // copy last variation back
15164 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
15165 for(j=0; j<MOVE_LEN; j++)
15166 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
15167 for(j=0; j<2*MOVE_LEN; j++)
15168 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
15169 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
15170 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
15171 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
15172 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
15173 commentList[currentMove+i] = commentList[framePtr+i];
15174 commentList[framePtr+i] = NULL;
15176 if(annotate) AppendComment(currentMove+1, buf, FALSE);
15177 framePtr = savedFramePtr[storedGames];
15178 gameInfo.result = savedResult[storedGames];
15179 if(gameInfo.resultDetails != NULL) {
15180 free(gameInfo.resultDetails);
15182 gameInfo.resultDetails = savedDetails[storedGames];
15183 forwardMostMove = currentMove + nrMoves;
15184 if(storedGames == 0) GreyRevert(TRUE);
15190 { // remove all shelved variations
15192 for(i=0; i<storedGames; i++) {
15193 if(savedDetails[i])
15194 free(savedDetails[i]);
15195 savedDetails[i] = NULL;
15197 for(i=framePtr; i<MAX_MOVES; i++) {
15198 if(commentList[i]) free(commentList[i]);
15199 commentList[i] = NULL;
15201 framePtr = MAX_MOVES-1;
15206 LoadVariation(int index, char *text)
15207 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
15208 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
15209 int level = 0, move;
15211 if(gameMode != EditGame && gameMode != AnalyzeMode) return;
15212 // first find outermost bracketing variation
15213 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
15214 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
15215 if(*p == '{') wait = '}'; else
15216 if(*p == '[') wait = ']'; else
15217 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
15218 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
15220 if(*p == wait) wait = NULLCHAR; // closing ]} found
15223 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
15224 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
15225 end[1] = NULLCHAR; // clip off comment beyond variation
15226 ToNrEvent(currentMove-1);
15227 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
15228 // kludge: use ParsePV() to append variation to game
15229 move = currentMove;
15230 ParsePV(start, TRUE);
15231 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
15232 ClearPremoveHighlights();
15234 ToNrEvent(currentMove+1);