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;
6900 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
6901 // adjust reversible move counter for checks in Xiangqi
6902 int i = forwardMostMove - count, inCheck = 0, lastCheck;
6903 if(i < backwardMostMove) i = backwardMostMove;
6904 while(i <= forwardMostMove) {
6905 lastCheck = inCheck; // check evasion does not count
6906 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
6907 if(inCheck || lastCheck) count--; // check does not count
6912 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
6913 /* this is used to judge if draw claims are legal */
6914 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
6915 if(engineOpponent) {
6916 SendToProgram("force\n", engineOpponent); // suppress reply
6917 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6919 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6920 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
6924 /* if draw offer is pending, treat it as a draw claim
6925 * when draw condition present, to allow engines a way to
6926 * claim draws before making their move to avoid a race
6927 * condition occurring after their move
6929 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
6931 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
6932 p = "Draw claim: 50-move rule";
6933 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
6934 p = "Draw claim: 3-fold repetition";
6935 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
6936 p = "Draw claim: insufficient mating material";
6937 if( p != NULL && canAdjudicate) {
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, p, GE_XBOARD );
6948 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
6949 if(engineOpponent) {
6950 SendToProgram("force\n", engineOpponent); // suppress reply
6951 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6953 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6954 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
6960 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
6961 { // [HGM] book: this routine intercepts moves to simulate book replies
6962 char *bookHit = NULL;
6964 //first determine if the incoming move brings opponent into his book
6965 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
6966 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
6967 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
6968 if(bookHit != NULL && !cps->bookSuspend) {
6969 // make sure opponent is not going to reply after receiving move to book position
6970 SendToProgram("force\n", cps);
6971 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
6973 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
6974 // now arrange restart after book miss
6976 // after a book hit we never send 'go', and the code after the call to this routine
6977 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
6979 sprintf(buf, "%s%s\n", (cps->useUsermove ? "usermove " : ""), bookHit); // force book move into program supposed to play it
6980 SendToProgram(buf, cps);
6981 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
6982 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
6983 SendToProgram("go\n", cps);
6984 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
6985 } else { // 'go' might be sent based on 'firstMove' after this routine returns
6986 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
6987 SendToProgram("go\n", cps);
6988 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
6990 return bookHit; // notify caller of hit, so it can take action to send move to opponent
6994 ChessProgramState *savedState;
6995 void DeferredBookMove(void)
6997 if(savedState->lastPing != savedState->lastPong)
6998 ScheduleDelayedEvent(DeferredBookMove, 10);
7000 HandleMachineMove(savedMessage, savedState);
7004 HandleMachineMove(message, cps)
7006 ChessProgramState *cps;
7008 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7009 char realname[MSG_SIZ];
7010 int fromX, fromY, toX, toY;
7019 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7021 * Kludge to ignore BEL characters
7023 while (*message == '\007') message++;
7026 * [HGM] engine debug message: ignore lines starting with '#' character
7028 if(cps->debug && *message == '#') return;
7031 * Look for book output
7033 if (cps == &first && bookRequested) {
7034 if (message[0] == '\t' || message[0] == ' ') {
7035 /* Part of the book output is here; append it */
7036 strcat(bookOutput, message);
7037 strcat(bookOutput, " \n");
7039 } else if (bookOutput[0] != NULLCHAR) {
7040 /* All of book output has arrived; display it */
7041 char *p = bookOutput;
7042 while (*p != NULLCHAR) {
7043 if (*p == '\t') *p = ' ';
7046 DisplayInformation(bookOutput);
7047 bookRequested = FALSE;
7048 /* Fall through to parse the current output */
7053 * Look for machine move.
7055 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7056 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7058 /* This method is only useful on engines that support ping */
7059 if (cps->lastPing != cps->lastPong) {
7060 if (gameMode == BeginningOfGame) {
7061 /* Extra move from before last new; ignore */
7062 if (appData.debugMode) {
7063 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7066 if (appData.debugMode) {
7067 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7068 cps->which, gameMode);
7071 SendToProgram("undo\n", cps);
7077 case BeginningOfGame:
7078 /* Extra move from before last reset; ignore */
7079 if (appData.debugMode) {
7080 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7087 /* Extra move after we tried to stop. The mode test is
7088 not a reliable way of detecting this problem, but it's
7089 the best we can do on engines that don't support ping.
7091 if (appData.debugMode) {
7092 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7093 cps->which, gameMode);
7095 SendToProgram("undo\n", cps);
7098 case MachinePlaysWhite:
7099 case IcsPlayingWhite:
7100 machineWhite = TRUE;
7103 case MachinePlaysBlack:
7104 case IcsPlayingBlack:
7105 machineWhite = FALSE;
7108 case TwoMachinesPlay:
7109 machineWhite = (cps->twoMachinesColor[0] == 'w');
7112 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7113 if (appData.debugMode) {
7115 "Ignoring move out of turn by %s, gameMode %d"
7116 ", forwardMost %d\n",
7117 cps->which, gameMode, forwardMostMove);
7122 if (appData.debugMode) { int f = forwardMostMove;
7123 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7124 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7125 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7127 if(cps->alphaRank) AlphaRank(machineMove, 4);
7128 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7129 &fromX, &fromY, &toX, &toY, &promoChar)) {
7130 /* Machine move could not be parsed; ignore it. */
7131 sprintf(buf1, _("Illegal move \"%s\" from %s machine"),
7132 machineMove, cps->which);
7133 DisplayError(buf1, 0);
7134 sprintf(buf1, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7135 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7136 if (gameMode == TwoMachinesPlay) {
7137 GameEnds(machineWhite ? BlackWins : WhiteWins,
7143 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7144 /* So we have to redo legality test with true e.p. status here, */
7145 /* to make sure an illegal e.p. capture does not slip through, */
7146 /* to cause a forfeit on a justified illegal-move complaint */
7147 /* of the opponent. */
7148 if( gameMode==TwoMachinesPlay && appData.testLegality
7149 && fromY != DROP_RANK /* [HGM] temporary; should still add legality test for drops */
7152 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7153 fromY, fromX, toY, toX, promoChar);
7154 if (appData.debugMode) {
7156 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7157 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7158 fprintf(debugFP, "castling rights\n");
7160 if(moveType == IllegalMove) {
7161 sprintf(buf1, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7162 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7163 GameEnds(machineWhite ? BlackWins : WhiteWins,
7166 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7167 /* [HGM] Kludge to handle engines that send FRC-style castling
7168 when they shouldn't (like TSCP-Gothic) */
7170 case WhiteASideCastleFR:
7171 case BlackASideCastleFR:
7173 currentMoveString[2]++;
7175 case WhiteHSideCastleFR:
7176 case BlackHSideCastleFR:
7178 currentMoveString[2]--;
7180 default: ; // nothing to do, but suppresses warning of pedantic compilers
7183 hintRequested = FALSE;
7184 lastHint[0] = NULLCHAR;
7185 bookRequested = FALSE;
7186 /* Program may be pondering now */
7187 cps->maybeThinking = TRUE;
7188 if (cps->sendTime == 2) cps->sendTime = 1;
7189 if (cps->offeredDraw) cps->offeredDraw--;
7191 /* currentMoveString is set as a side-effect of ParseOneMove */
7192 strcpy(machineMove, currentMoveString);
7193 strcat(machineMove, "\n");
7194 strcpy(moveList[forwardMostMove], machineMove);
7196 /* [AS] Save move info*/
7197 pvInfoList[ forwardMostMove ].score = programStats.score;
7198 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7199 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7201 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7203 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7204 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7207 while( count < adjudicateLossPlies ) {
7208 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7211 score = -score; /* Flip score for winning side */
7214 if( score > adjudicateLossThreshold ) {
7221 if( count >= adjudicateLossPlies ) {
7222 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7224 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7225 "Xboard adjudication",
7232 if(Adjudicate(cps)) return; // [HGM] adjudicate: for all automatic game ends
7235 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7237 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7238 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7240 SendMoveToICS(moveType, fromX, fromY, toX, toY);
7242 SendMoveToICS(moveType, fromX, fromY, toX, toY);
7244 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
7245 char buf[3*MSG_SIZ];
7247 sprintf(buf, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
7248 programStats.score / 100.,
7250 programStats.time / 100.,
7251 (unsigned int)programStats.nodes,
7252 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
7253 programStats.movelist);
7255 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
7260 /* [AS] Clear stats for next move */
7261 ClearProgramStats();
7262 thinkOutput[0] = NULLCHAR;
7263 hiddenThinkOutputState = 0;
7266 if (gameMode == TwoMachinesPlay) {
7267 /* [HGM] relaying draw offers moved to after reception of move */
7268 /* and interpreting offer as claim if it brings draw condition */
7269 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
7270 SendToProgram("draw\n", cps->other);
7272 if (cps->other->sendTime) {
7273 SendTimeRemaining(cps->other,
7274 cps->other->twoMachinesColor[0] == 'w');
7276 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
7277 if (firstMove && !bookHit) {
7279 if (cps->other->useColors) {
7280 SendToProgram(cps->other->twoMachinesColor, cps->other);
7282 SendToProgram("go\n", cps->other);
7284 cps->other->maybeThinking = TRUE;
7287 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7289 if (!pausing && appData.ringBellAfterMoves) {
7294 * Reenable menu items that were disabled while
7295 * machine was thinking
7297 if (gameMode != TwoMachinesPlay)
7298 SetUserThinkingEnables();
7300 // [HGM] book: after book hit opponent has received move and is now in force mode
7301 // force the book reply into it, and then fake that it outputted this move by jumping
7302 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
7304 static char bookMove[MSG_SIZ]; // a bit generous?
7306 strcpy(bookMove, "move ");
7307 strcat(bookMove, bookHit);
7310 programStats.nodes = programStats.depth = programStats.time =
7311 programStats.score = programStats.got_only_move = 0;
7312 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7314 if(cps->lastPing != cps->lastPong) {
7315 savedMessage = message; // args for deferred call
7317 ScheduleDelayedEvent(DeferredBookMove, 10);
7326 /* Set special modes for chess engines. Later something general
7327 * could be added here; for now there is just one kludge feature,
7328 * needed because Crafty 15.10 and earlier don't ignore SIGINT
7329 * when "xboard" is given as an interactive command.
7331 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
7332 cps->useSigint = FALSE;
7333 cps->useSigterm = FALSE;
7335 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
7336 ParseFeatures(message+8, cps);
7337 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
7340 /* [HGM] Allow engine to set up a position. Don't ask me why one would
7341 * want this, I was asked to put it in, and obliged.
7343 if (!strncmp(message, "setboard ", 9)) {
7344 Board initial_position;
7346 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
7348 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
7349 DisplayError(_("Bad FEN received from engine"), 0);
7353 CopyBoard(boards[0], initial_position);
7354 initialRulePlies = FENrulePlies;
7355 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
7356 else gameMode = MachinePlaysBlack;
7357 DrawPosition(FALSE, boards[currentMove]);
7363 * Look for communication commands
7365 if (!strncmp(message, "telluser ", 9)) {
7366 EscapeExpand(message+9, message+9); // [HGM] esc: allow escape sequences in popup box
7367 DisplayNote(message + 9);
7370 if (!strncmp(message, "tellusererror ", 14)) {
7372 EscapeExpand(message+14, message+14); // [HGM] esc: allow escape sequences in popup box
7373 DisplayError(message + 14, 0);
7376 if (!strncmp(message, "tellopponent ", 13)) {
7377 if (appData.icsActive) {
7379 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
7383 DisplayNote(message + 13);
7387 if (!strncmp(message, "tellothers ", 11)) {
7388 if (appData.icsActive) {
7390 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
7396 if (!strncmp(message, "tellall ", 8)) {
7397 if (appData.icsActive) {
7399 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
7403 DisplayNote(message + 8);
7407 if (strncmp(message, "warning", 7) == 0) {
7408 /* Undocumented feature, use tellusererror in new code */
7409 DisplayError(message, 0);
7412 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
7413 strcpy(realname, cps->tidy);
7414 strcat(realname, " query");
7415 AskQuestion(realname, buf2, buf1, cps->pr);
7418 /* Commands from the engine directly to ICS. We don't allow these to be
7419 * sent until we are logged on. Crafty kibitzes have been known to
7420 * interfere with the login process.
7423 if (!strncmp(message, "tellics ", 8)) {
7424 SendToICS(message + 8);
7428 if (!strncmp(message, "tellicsnoalias ", 15)) {
7429 SendToICS(ics_prefix);
7430 SendToICS(message + 15);
7434 /* The following are for backward compatibility only */
7435 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
7436 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
7437 SendToICS(ics_prefix);
7443 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
7447 * If the move is illegal, cancel it and redraw the board.
7448 * Also deal with other error cases. Matching is rather loose
7449 * here to accommodate engines written before the spec.
7451 if (strncmp(message + 1, "llegal move", 11) == 0 ||
7452 strncmp(message, "Error", 5) == 0) {
7453 if (StrStr(message, "name") ||
7454 StrStr(message, "rating") || StrStr(message, "?") ||
7455 StrStr(message, "result") || StrStr(message, "board") ||
7456 StrStr(message, "bk") || StrStr(message, "computer") ||
7457 StrStr(message, "variant") || StrStr(message, "hint") ||
7458 StrStr(message, "random") || StrStr(message, "depth") ||
7459 StrStr(message, "accepted")) {
7462 if (StrStr(message, "protover")) {
7463 /* Program is responding to input, so it's apparently done
7464 initializing, and this error message indicates it is
7465 protocol version 1. So we don't need to wait any longer
7466 for it to initialize and send feature commands. */
7467 FeatureDone(cps, 1);
7468 cps->protocolVersion = 1;
7471 cps->maybeThinking = FALSE;
7473 if (StrStr(message, "draw")) {
7474 /* Program doesn't have "draw" command */
7475 cps->sendDrawOffers = 0;
7478 if (cps->sendTime != 1 &&
7479 (StrStr(message, "time") || StrStr(message, "otim"))) {
7480 /* Program apparently doesn't have "time" or "otim" command */
7484 if (StrStr(message, "analyze")) {
7485 cps->analysisSupport = FALSE;
7486 cps->analyzing = FALSE;
7488 sprintf(buf2, _("%s does not support analysis"), cps->tidy);
7489 DisplayError(buf2, 0);
7492 if (StrStr(message, "(no matching move)st")) {
7493 /* Special kludge for GNU Chess 4 only */
7494 cps->stKludge = TRUE;
7495 SendTimeControl(cps, movesPerSession, timeControl,
7496 timeIncrement, appData.searchDepth,
7500 if (StrStr(message, "(no matching move)sd")) {
7501 /* Special kludge for GNU Chess 4 only */
7502 cps->sdKludge = TRUE;
7503 SendTimeControl(cps, movesPerSession, timeControl,
7504 timeIncrement, appData.searchDepth,
7508 if (!StrStr(message, "llegal")) {
7511 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7512 gameMode == IcsIdle) return;
7513 if (forwardMostMove <= backwardMostMove) return;
7514 if (pausing) PauseEvent();
7515 if(appData.forceIllegal) {
7516 // [HGM] illegal: machine refused move; force position after move into it
7517 SendToProgram("force\n", cps);
7518 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
7519 // we have a real problem now, as SendBoard will use the a2a3 kludge
7520 // when black is to move, while there might be nothing on a2 or black
7521 // might already have the move. So send the board as if white has the move.
7522 // But first we must change the stm of the engine, as it refused the last move
7523 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
7524 if(WhiteOnMove(forwardMostMove)) {
7525 SendToProgram("a7a6\n", cps); // for the engine black still had the move
7526 SendBoard(cps, forwardMostMove); // kludgeless board
7528 SendToProgram("a2a3\n", cps); // for the engine white still had the move
7529 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7530 SendBoard(cps, forwardMostMove+1); // kludgeless board
7532 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
7533 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
7534 gameMode == TwoMachinesPlay)
7535 SendToProgram("go\n", cps);
7538 if (gameMode == PlayFromGameFile) {
7539 /* Stop reading this game file */
7540 gameMode = EditGame;
7543 currentMove = forwardMostMove-1;
7544 DisplayMove(currentMove-1); /* before DisplayMoveError */
7545 SwitchClocks(forwardMostMove-1); // [HGM] race
7546 DisplayBothClocks();
7547 sprintf(buf1, _("Illegal move \"%s\" (rejected by %s chess program)"),
7548 parseList[currentMove], cps->which);
7549 DisplayMoveError(buf1);
7550 DrawPosition(FALSE, boards[currentMove]);
7552 /* [HGM] illegal-move claim should forfeit game when Xboard */
7553 /* only passes fully legal moves */
7554 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
7555 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
7556 "False illegal-move claim", GE_XBOARD );
7560 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
7561 /* Program has a broken "time" command that
7562 outputs a string not ending in newline.
7568 * If chess program startup fails, exit with an error message.
7569 * Attempts to recover here are futile.
7571 if ((StrStr(message, "unknown host") != NULL)
7572 || (StrStr(message, "No remote directory") != NULL)
7573 || (StrStr(message, "not found") != NULL)
7574 || (StrStr(message, "No such file") != NULL)
7575 || (StrStr(message, "can't alloc") != NULL)
7576 || (StrStr(message, "Permission denied") != NULL)) {
7578 cps->maybeThinking = FALSE;
7579 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
7580 cps->which, cps->program, cps->host, message);
7581 RemoveInputSource(cps->isr);
7582 DisplayFatalError(buf1, 0, 1);
7587 * Look for hint output
7589 if (sscanf(message, "Hint: %s", buf1) == 1) {
7590 if (cps == &first && hintRequested) {
7591 hintRequested = FALSE;
7592 if (ParseOneMove(buf1, forwardMostMove, &moveType,
7593 &fromX, &fromY, &toX, &toY, &promoChar)) {
7594 (void) CoordsToAlgebraic(boards[forwardMostMove],
7595 PosFlags(forwardMostMove),
7596 fromY, fromX, toY, toX, promoChar, buf1);
7597 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
7598 DisplayInformation(buf2);
7600 /* Hint move could not be parsed!? */
7601 snprintf(buf2, sizeof(buf2),
7602 _("Illegal hint move \"%s\"\nfrom %s chess program"),
7604 DisplayError(buf2, 0);
7607 strcpy(lastHint, buf1);
7613 * Ignore other messages if game is not in progress
7615 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7616 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
7619 * look for win, lose, draw, or draw offer
7621 if (strncmp(message, "1-0", 3) == 0) {
7622 char *p, *q, *r = "";
7623 p = strchr(message, '{');
7631 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
7633 } else if (strncmp(message, "0-1", 3) == 0) {
7634 char *p, *q, *r = "";
7635 p = strchr(message, '{');
7643 /* Kludge for Arasan 4.1 bug */
7644 if (strcmp(r, "Black resigns") == 0) {
7645 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
7648 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
7650 } else if (strncmp(message, "1/2", 3) == 0) {
7651 char *p, *q, *r = "";
7652 p = strchr(message, '{');
7661 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
7664 } else if (strncmp(message, "White resign", 12) == 0) {
7665 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7667 } else if (strncmp(message, "Black resign", 12) == 0) {
7668 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7670 } else if (strncmp(message, "White matches", 13) == 0 ||
7671 strncmp(message, "Black matches", 13) == 0 ) {
7672 /* [HGM] ignore GNUShogi noises */
7674 } else if (strncmp(message, "White", 5) == 0 &&
7675 message[5] != '(' &&
7676 StrStr(message, "Black") == NULL) {
7677 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7679 } else if (strncmp(message, "Black", 5) == 0 &&
7680 message[5] != '(') {
7681 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7683 } else if (strcmp(message, "resign") == 0 ||
7684 strcmp(message, "computer resigns") == 0) {
7686 case MachinePlaysBlack:
7687 case IcsPlayingBlack:
7688 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
7690 case MachinePlaysWhite:
7691 case IcsPlayingWhite:
7692 GameEnds(BlackWins, "White resigns", GE_ENGINE);
7694 case TwoMachinesPlay:
7695 if (cps->twoMachinesColor[0] == 'w')
7696 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7698 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7705 } else if (strncmp(message, "opponent mates", 14) == 0) {
7707 case MachinePlaysBlack:
7708 case IcsPlayingBlack:
7709 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7711 case MachinePlaysWhite:
7712 case IcsPlayingWhite:
7713 GameEnds(BlackWins, "Black mates", GE_ENGINE);
7715 case TwoMachinesPlay:
7716 if (cps->twoMachinesColor[0] == 'w')
7717 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7719 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7726 } else if (strncmp(message, "computer mates", 14) == 0) {
7728 case MachinePlaysBlack:
7729 case IcsPlayingBlack:
7730 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
7732 case MachinePlaysWhite:
7733 case IcsPlayingWhite:
7734 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7736 case TwoMachinesPlay:
7737 if (cps->twoMachinesColor[0] == 'w')
7738 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7740 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7747 } else if (strncmp(message, "checkmate", 9) == 0) {
7748 if (WhiteOnMove(forwardMostMove)) {
7749 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7751 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7754 } else if (strstr(message, "Draw") != NULL ||
7755 strstr(message, "game is a draw") != NULL) {
7756 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
7758 } else if (strstr(message, "offer") != NULL &&
7759 strstr(message, "draw") != NULL) {
7761 if (appData.zippyPlay && first.initDone) {
7762 /* Relay offer to ICS */
7763 SendToICS(ics_prefix);
7764 SendToICS("draw\n");
7767 cps->offeredDraw = 2; /* valid until this engine moves twice */
7768 if (gameMode == TwoMachinesPlay) {
7769 if (cps->other->offeredDraw) {
7770 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7771 /* [HGM] in two-machine mode we delay relaying draw offer */
7772 /* until after we also have move, to see if it is really claim */
7774 } else if (gameMode == MachinePlaysWhite ||
7775 gameMode == MachinePlaysBlack) {
7776 if (userOfferedDraw) {
7777 DisplayInformation(_("Machine accepts your draw offer"));
7778 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7780 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
7787 * Look for thinking output
7789 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
7790 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7792 int plylev, mvleft, mvtot, curscore, time;
7793 char mvname[MOVE_LEN];
7797 int prefixHint = FALSE;
7798 mvname[0] = NULLCHAR;
7801 case MachinePlaysBlack:
7802 case IcsPlayingBlack:
7803 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7805 case MachinePlaysWhite:
7806 case IcsPlayingWhite:
7807 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7812 case IcsObserving: /* [DM] icsEngineAnalyze */
7813 if (!appData.icsEngineAnalyze) ignore = TRUE;
7815 case TwoMachinesPlay:
7816 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
7826 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
7828 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7829 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
7831 if (plyext != ' ' && plyext != '\t') {
7835 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7836 if( cps->scoreIsAbsolute &&
7837 ( gameMode == MachinePlaysBlack ||
7838 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
7839 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
7840 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
7841 !WhiteOnMove(currentMove)
7844 curscore = -curscore;
7848 tempStats.depth = plylev;
7849 tempStats.nodes = nodes;
7850 tempStats.time = time;
7851 tempStats.score = curscore;
7852 tempStats.got_only_move = 0;
7854 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
7857 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
7858 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
7859 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
7860 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
7861 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
7862 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
7863 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
7864 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
7867 /* Buffer overflow protection */
7868 if (buf1[0] != NULLCHAR) {
7869 if (strlen(buf1) >= sizeof(tempStats.movelist)
7870 && appData.debugMode) {
7872 "PV is too long; using the first %u bytes.\n",
7873 (unsigned) sizeof(tempStats.movelist) - 1);
7876 safeStrCpy( tempStats.movelist, buf1, sizeof(tempStats.movelist) );
7878 sprintf(tempStats.movelist, " no PV\n");
7881 if (tempStats.seen_stat) {
7882 tempStats.ok_to_send = 1;
7885 if (strchr(tempStats.movelist, '(') != NULL) {
7886 tempStats.line_is_book = 1;
7887 tempStats.nr_moves = 0;
7888 tempStats.moves_left = 0;
7890 tempStats.line_is_book = 0;
7893 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
7894 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
7896 SendProgramStatsToFrontend( cps, &tempStats );
7899 [AS] Protect the thinkOutput buffer from overflow... this
7900 is only useful if buf1 hasn't overflowed first!
7902 sprintf(thinkOutput, "[%d]%c%+.2f %s%s",
7904 (gameMode == TwoMachinesPlay ?
7905 ToUpper(cps->twoMachinesColor[0]) : ' '),
7906 ((double) curscore) / 100.0,
7907 prefixHint ? lastHint : "",
7908 prefixHint ? " " : "" );
7910 if( buf1[0] != NULLCHAR ) {
7911 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
7913 if( strlen(buf1) > max_len ) {
7914 if( appData.debugMode) {
7915 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
7917 buf1[max_len+1] = '\0';
7920 strcat( thinkOutput, buf1 );
7923 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
7924 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7925 DisplayMove(currentMove - 1);
7929 } else if ((p=StrStr(message, "(only move)")) != NULL) {
7930 /* crafty (9.25+) says "(only move) <move>"
7931 * if there is only 1 legal move
7933 sscanf(p, "(only move) %s", buf1);
7934 sprintf(thinkOutput, "%s (only move)", buf1);
7935 sprintf(programStats.movelist, "%s (only move)", buf1);
7936 programStats.depth = 1;
7937 programStats.nr_moves = 1;
7938 programStats.moves_left = 1;
7939 programStats.nodes = 1;
7940 programStats.time = 1;
7941 programStats.got_only_move = 1;
7943 /* Not really, but we also use this member to
7944 mean "line isn't going to change" (Crafty
7945 isn't searching, so stats won't change) */
7946 programStats.line_is_book = 1;
7948 SendProgramStatsToFrontend( cps, &programStats );
7950 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
7951 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7952 DisplayMove(currentMove - 1);
7955 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
7956 &time, &nodes, &plylev, &mvleft,
7957 &mvtot, mvname) >= 5) {
7958 /* The stat01: line is from Crafty (9.29+) in response
7959 to the "." command */
7960 programStats.seen_stat = 1;
7961 cps->maybeThinking = TRUE;
7963 if (programStats.got_only_move || !appData.periodicUpdates)
7966 programStats.depth = plylev;
7967 programStats.time = time;
7968 programStats.nodes = nodes;
7969 programStats.moves_left = mvleft;
7970 programStats.nr_moves = mvtot;
7971 strcpy(programStats.move_name, mvname);
7972 programStats.ok_to_send = 1;
7973 programStats.movelist[0] = '\0';
7975 SendProgramStatsToFrontend( cps, &programStats );
7979 } else if (strncmp(message,"++",2) == 0) {
7980 /* Crafty 9.29+ outputs this */
7981 programStats.got_fail = 2;
7984 } else if (strncmp(message,"--",2) == 0) {
7985 /* Crafty 9.29+ outputs this */
7986 programStats.got_fail = 1;
7989 } else if (thinkOutput[0] != NULLCHAR &&
7990 strncmp(message, " ", 4) == 0) {
7991 unsigned message_len;
7994 while (*p && *p == ' ') p++;
7996 message_len = strlen( p );
7998 /* [AS] Avoid buffer overflow */
7999 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8000 strcat(thinkOutput, " ");
8001 strcat(thinkOutput, p);
8004 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8005 strcat(programStats.movelist, " ");
8006 strcat(programStats.movelist, p);
8009 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8010 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8011 DisplayMove(currentMove - 1);
8019 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8020 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8022 ChessProgramStats cpstats;
8024 if (plyext != ' ' && plyext != '\t') {
8028 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8029 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8030 curscore = -curscore;
8033 cpstats.depth = plylev;
8034 cpstats.nodes = nodes;
8035 cpstats.time = time;
8036 cpstats.score = curscore;
8037 cpstats.got_only_move = 0;
8038 cpstats.movelist[0] = '\0';
8040 if (buf1[0] != NULLCHAR) {
8041 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist) );
8044 cpstats.ok_to_send = 0;
8045 cpstats.line_is_book = 0;
8046 cpstats.nr_moves = 0;
8047 cpstats.moves_left = 0;
8049 SendProgramStatsToFrontend( cps, &cpstats );
8056 /* Parse a game score from the character string "game", and
8057 record it as the history of the current game. The game
8058 score is NOT assumed to start from the standard position.
8059 The display is not updated in any way.
8062 ParseGameHistory(game)
8066 int fromX, fromY, toX, toY, boardIndex;
8071 if (appData.debugMode)
8072 fprintf(debugFP, "Parsing game history: %s\n", game);
8074 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8075 gameInfo.site = StrSave(appData.icsHost);
8076 gameInfo.date = PGNDate();
8077 gameInfo.round = StrSave("-");
8079 /* Parse out names of players */
8080 while (*game == ' ') game++;
8082 while (*game != ' ') *p++ = *game++;
8084 gameInfo.white = StrSave(buf);
8085 while (*game == ' ') game++;
8087 while (*game != ' ' && *game != '\n') *p++ = *game++;
8089 gameInfo.black = StrSave(buf);
8092 boardIndex = blackPlaysFirst ? 1 : 0;
8095 yyboardindex = boardIndex;
8096 moveType = (ChessMove) yylex();
8098 case IllegalMove: /* maybe suicide chess, etc. */
8099 if (appData.debugMode) {
8100 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8101 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8102 setbuf(debugFP, NULL);
8104 case WhitePromotionChancellor:
8105 case BlackPromotionChancellor:
8106 case WhitePromotionArchbishop:
8107 case BlackPromotionArchbishop:
8108 case WhitePromotionQueen:
8109 case BlackPromotionQueen:
8110 case WhitePromotionRook:
8111 case BlackPromotionRook:
8112 case WhitePromotionBishop:
8113 case BlackPromotionBishop:
8114 case WhitePromotionKnight:
8115 case BlackPromotionKnight:
8116 case WhitePromotionKing:
8117 case BlackPromotionKing:
8119 case WhiteCapturesEnPassant:
8120 case BlackCapturesEnPassant:
8121 case WhiteKingSideCastle:
8122 case WhiteQueenSideCastle:
8123 case BlackKingSideCastle:
8124 case BlackQueenSideCastle:
8125 case WhiteKingSideCastleWild:
8126 case WhiteQueenSideCastleWild:
8127 case BlackKingSideCastleWild:
8128 case BlackQueenSideCastleWild:
8130 case WhiteHSideCastleFR:
8131 case WhiteASideCastleFR:
8132 case BlackHSideCastleFR:
8133 case BlackASideCastleFR:
8135 fromX = currentMoveString[0] - AAA;
8136 fromY = currentMoveString[1] - ONE;
8137 toX = currentMoveString[2] - AAA;
8138 toY = currentMoveString[3] - ONE;
8139 promoChar = currentMoveString[4];
8143 fromX = moveType == WhiteDrop ?
8144 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8145 (int) CharToPiece(ToLower(currentMoveString[0]));
8147 toX = currentMoveString[2] - AAA;
8148 toY = currentMoveString[3] - ONE;
8149 promoChar = NULLCHAR;
8153 sprintf(buf, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8154 if (appData.debugMode) {
8155 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8156 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8157 setbuf(debugFP, NULL);
8159 DisplayError(buf, 0);
8161 case ImpossibleMove:
8163 sprintf(buf, _("Illegal move in ICS output: \"%s\""), yy_text);
8164 if (appData.debugMode) {
8165 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8166 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8167 setbuf(debugFP, NULL);
8169 DisplayError(buf, 0);
8171 case (ChessMove) 0: /* end of file */
8172 if (boardIndex < backwardMostMove) {
8173 /* Oops, gap. How did that happen? */
8174 DisplayError(_("Gap in move list"), 0);
8177 backwardMostMove = blackPlaysFirst ? 1 : 0;
8178 if (boardIndex > forwardMostMove) {
8179 forwardMostMove = boardIndex;
8183 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8184 strcat(parseList[boardIndex-1], " ");
8185 strcat(parseList[boardIndex-1], yy_text);
8197 case GameUnfinished:
8198 if (gameMode == IcsExamining) {
8199 if (boardIndex < backwardMostMove) {
8200 /* Oops, gap. How did that happen? */
8203 backwardMostMove = blackPlaysFirst ? 1 : 0;
8206 gameInfo.result = moveType;
8207 p = strchr(yy_text, '{');
8208 if (p == NULL) p = strchr(yy_text, '(');
8211 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8213 q = strchr(p, *p == '{' ? '}' : ')');
8214 if (q != NULL) *q = NULLCHAR;
8217 gameInfo.resultDetails = StrSave(p);
8220 if (boardIndex >= forwardMostMove &&
8221 !(gameMode == IcsObserving && ics_gamenum == -1)) {
8222 backwardMostMove = blackPlaysFirst ? 1 : 0;
8225 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
8226 fromY, fromX, toY, toX, promoChar,
8227 parseList[boardIndex]);
8228 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
8229 /* currentMoveString is set as a side-effect of yylex */
8230 strcpy(moveList[boardIndex], currentMoveString);
8231 strcat(moveList[boardIndex], "\n");
8233 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
8234 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
8240 if(gameInfo.variant != VariantShogi)
8241 strcat(parseList[boardIndex - 1], "+");
8245 strcat(parseList[boardIndex - 1], "#");
8252 /* Apply a move to the given board */
8254 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
8255 int fromX, fromY, toX, toY;
8259 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
8260 int promoRank = gameInfo.variant == VariantMakruk ? 3 : 1;
8262 /* [HGM] compute & store e.p. status and castling rights for new position */
8263 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
8266 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
8267 oldEP = (signed char)board[EP_STATUS];
8268 board[EP_STATUS] = EP_NONE;
8270 if( board[toY][toX] != EmptySquare )
8271 board[EP_STATUS] = EP_CAPTURE;
8273 if( board[fromY][fromX] == WhitePawn ) {
8274 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8275 board[EP_STATUS] = EP_PAWN_MOVE;
8277 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
8278 gameInfo.variant != VariantBerolina || toX < fromX)
8279 board[EP_STATUS] = toX | berolina;
8280 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
8281 gameInfo.variant != VariantBerolina || toX > fromX)
8282 board[EP_STATUS] = toX;
8285 if( board[fromY][fromX] == BlackPawn ) {
8286 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8287 board[EP_STATUS] = EP_PAWN_MOVE;
8288 if( toY-fromY== -2) {
8289 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
8290 gameInfo.variant != VariantBerolina || toX < fromX)
8291 board[EP_STATUS] = toX | berolina;
8292 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
8293 gameInfo.variant != VariantBerolina || toX > fromX)
8294 board[EP_STATUS] = toX;
8298 for(i=0; i<nrCastlingRights; i++) {
8299 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
8300 board[CASTLING][i] == toX && castlingRank[i] == toY
8301 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
8306 /* [HGM] In Shatranj and Courier all promotions are to Ferz */
8307 if((gameInfo.variant==VariantShatranj || gameInfo.variant==VariantCourier || gameInfo.variant == VariantMakruk)
8308 && promoChar != 0) promoChar = PieceToChar(WhiteFerz);
8310 if (fromX == toX && fromY == toY) return;
8312 if (fromY == DROP_RANK) {
8314 piece = board[toY][toX] = (ChessSquare) fromX;
8316 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
8317 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
8318 if(gameInfo.variant == VariantKnightmate)
8319 king += (int) WhiteUnicorn - (int) WhiteKing;
8321 /* Code added by Tord: */
8322 /* FRC castling assumed when king captures friendly rook. */
8323 if (board[fromY][fromX] == WhiteKing &&
8324 board[toY][toX] == WhiteRook) {
8325 board[fromY][fromX] = EmptySquare;
8326 board[toY][toX] = EmptySquare;
8328 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
8330 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
8332 } else if (board[fromY][fromX] == BlackKing &&
8333 board[toY][toX] == BlackRook) {
8334 board[fromY][fromX] = EmptySquare;
8335 board[toY][toX] = EmptySquare;
8337 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
8339 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
8341 /* End of code added by Tord */
8343 } else if (board[fromY][fromX] == king
8344 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8345 && toY == fromY && toX > fromX+1) {
8346 board[fromY][fromX] = EmptySquare;
8347 board[toY][toX] = king;
8348 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8349 board[fromY][BOARD_RGHT-1] = EmptySquare;
8350 } else if (board[fromY][fromX] == king
8351 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8352 && toY == fromY && toX < fromX-1) {
8353 board[fromY][fromX] = EmptySquare;
8354 board[toY][toX] = king;
8355 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8356 board[fromY][BOARD_LEFT] = EmptySquare;
8357 } else if (board[fromY][fromX] == WhitePawn
8358 && toY >= BOARD_HEIGHT-promoRank
8359 && gameInfo.variant != VariantXiangqi
8361 /* white pawn promotion */
8362 board[toY][toX] = CharToPiece(ToUpper(promoChar));
8363 if (board[toY][toX] == EmptySquare) {
8364 board[toY][toX] = WhiteQueen;
8366 if(gameInfo.variant==VariantBughouse ||
8367 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8368 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8369 board[fromY][fromX] = EmptySquare;
8370 } else if ((fromY == BOARD_HEIGHT-4)
8372 && gameInfo.variant != VariantXiangqi
8373 && gameInfo.variant != VariantBerolina
8374 && (board[fromY][fromX] == WhitePawn)
8375 && (board[toY][toX] == EmptySquare)) {
8376 board[fromY][fromX] = EmptySquare;
8377 board[toY][toX] = WhitePawn;
8378 captured = board[toY - 1][toX];
8379 board[toY - 1][toX] = EmptySquare;
8380 } else if ((fromY == BOARD_HEIGHT-4)
8382 && gameInfo.variant == VariantBerolina
8383 && (board[fromY][fromX] == WhitePawn)
8384 && (board[toY][toX] == EmptySquare)) {
8385 board[fromY][fromX] = EmptySquare;
8386 board[toY][toX] = WhitePawn;
8387 if(oldEP & EP_BEROLIN_A) {
8388 captured = board[fromY][fromX-1];
8389 board[fromY][fromX-1] = EmptySquare;
8390 }else{ captured = board[fromY][fromX+1];
8391 board[fromY][fromX+1] = EmptySquare;
8393 } else if (board[fromY][fromX] == king
8394 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8395 && toY == fromY && toX > fromX+1) {
8396 board[fromY][fromX] = EmptySquare;
8397 board[toY][toX] = king;
8398 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8399 board[fromY][BOARD_RGHT-1] = EmptySquare;
8400 } else if (board[fromY][fromX] == king
8401 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8402 && toY == fromY && toX < fromX-1) {
8403 board[fromY][fromX] = EmptySquare;
8404 board[toY][toX] = king;
8405 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8406 board[fromY][BOARD_LEFT] = EmptySquare;
8407 } else if (fromY == 7 && fromX == 3
8408 && board[fromY][fromX] == BlackKing
8409 && toY == 7 && toX == 5) {
8410 board[fromY][fromX] = EmptySquare;
8411 board[toY][toX] = BlackKing;
8412 board[fromY][7] = EmptySquare;
8413 board[toY][4] = BlackRook;
8414 } else if (fromY == 7 && fromX == 3
8415 && board[fromY][fromX] == BlackKing
8416 && toY == 7 && toX == 1) {
8417 board[fromY][fromX] = EmptySquare;
8418 board[toY][toX] = BlackKing;
8419 board[fromY][0] = EmptySquare;
8420 board[toY][2] = BlackRook;
8421 } else if (board[fromY][fromX] == BlackPawn
8423 && gameInfo.variant != VariantXiangqi
8425 /* black pawn promotion */
8426 board[toY][toX] = CharToPiece(ToLower(promoChar));
8427 if (board[toY][toX] == EmptySquare) {
8428 board[toY][toX] = BlackQueen;
8430 if(gameInfo.variant==VariantBughouse ||
8431 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8432 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8433 board[fromY][fromX] = EmptySquare;
8434 } else if ((fromY == 3)
8436 && gameInfo.variant != VariantXiangqi
8437 && gameInfo.variant != VariantBerolina
8438 && (board[fromY][fromX] == BlackPawn)
8439 && (board[toY][toX] == EmptySquare)) {
8440 board[fromY][fromX] = EmptySquare;
8441 board[toY][toX] = BlackPawn;
8442 captured = board[toY + 1][toX];
8443 board[toY + 1][toX] = EmptySquare;
8444 } else if ((fromY == 3)
8446 && gameInfo.variant == VariantBerolina
8447 && (board[fromY][fromX] == BlackPawn)
8448 && (board[toY][toX] == EmptySquare)) {
8449 board[fromY][fromX] = EmptySquare;
8450 board[toY][toX] = BlackPawn;
8451 if(oldEP & EP_BEROLIN_A) {
8452 captured = board[fromY][fromX-1];
8453 board[fromY][fromX-1] = EmptySquare;
8454 }else{ captured = board[fromY][fromX+1];
8455 board[fromY][fromX+1] = EmptySquare;
8458 board[toY][toX] = board[fromY][fromX];
8459 board[fromY][fromX] = EmptySquare;
8462 /* [HGM] now we promote for Shogi, if needed */
8463 if(gameInfo.variant == VariantShogi && promoChar == 'q')
8464 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8467 if (gameInfo.holdingsWidth != 0) {
8469 /* !!A lot more code needs to be written to support holdings */
8470 /* [HGM] OK, so I have written it. Holdings are stored in the */
8471 /* penultimate board files, so they are automaticlly stored */
8472 /* in the game history. */
8473 if (fromY == DROP_RANK) {
8474 /* Delete from holdings, by decreasing count */
8475 /* and erasing image if necessary */
8477 if(p < (int) BlackPawn) { /* white drop */
8478 p -= (int)WhitePawn;
8479 p = PieceToNumber((ChessSquare)p);
8480 if(p >= gameInfo.holdingsSize) p = 0;
8481 if(--board[p][BOARD_WIDTH-2] <= 0)
8482 board[p][BOARD_WIDTH-1] = EmptySquare;
8483 if((int)board[p][BOARD_WIDTH-2] < 0)
8484 board[p][BOARD_WIDTH-2] = 0;
8485 } else { /* black drop */
8486 p -= (int)BlackPawn;
8487 p = PieceToNumber((ChessSquare)p);
8488 if(p >= gameInfo.holdingsSize) p = 0;
8489 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
8490 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
8491 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
8492 board[BOARD_HEIGHT-1-p][1] = 0;
8495 if (captured != EmptySquare && gameInfo.holdingsSize > 0
8496 && gameInfo.variant != VariantBughouse ) {
8497 /* [HGM] holdings: Add to holdings, if holdings exist */
8498 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
8499 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
8500 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
8503 if (p >= (int) BlackPawn) {
8504 p -= (int)BlackPawn;
8505 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8506 /* in Shogi restore piece to its original first */
8507 captured = (ChessSquare) (DEMOTED captured);
8510 p = PieceToNumber((ChessSquare)p);
8511 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
8512 board[p][BOARD_WIDTH-2]++;
8513 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
8515 p -= (int)WhitePawn;
8516 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8517 captured = (ChessSquare) (DEMOTED captured);
8520 p = PieceToNumber((ChessSquare)p);
8521 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
8522 board[BOARD_HEIGHT-1-p][1]++;
8523 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
8526 } else if (gameInfo.variant == VariantAtomic) {
8527 if (captured != EmptySquare) {
8529 for (y = toY-1; y <= toY+1; y++) {
8530 for (x = toX-1; x <= toX+1; x++) {
8531 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
8532 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
8533 board[y][x] = EmptySquare;
8537 board[toY][toX] = EmptySquare;
8540 if(gameInfo.variant == VariantShogi && promoChar != NULLCHAR && promoChar != '=') {
8541 /* [HGM] Shogi promotions */
8542 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8545 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8546 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
8547 // [HGM] superchess: take promotion piece out of holdings
8548 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
8549 if((int)piece < (int)BlackPawn) { // determine stm from piece color
8550 if(!--board[k][BOARD_WIDTH-2])
8551 board[k][BOARD_WIDTH-1] = EmptySquare;
8553 if(!--board[BOARD_HEIGHT-1-k][1])
8554 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
8560 /* Updates forwardMostMove */
8562 MakeMove(fromX, fromY, toX, toY, promoChar)
8563 int fromX, fromY, toX, toY;
8566 // forwardMostMove++; // [HGM] bare: moved downstream
8568 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
8569 int timeLeft; static int lastLoadFlag=0; int king, piece;
8570 piece = boards[forwardMostMove][fromY][fromX];
8571 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
8572 if(gameInfo.variant == VariantKnightmate)
8573 king += (int) WhiteUnicorn - (int) WhiteKing;
8574 if(forwardMostMove == 0) {
8576 fprintf(serverMoves, "%s;", second.tidy);
8577 fprintf(serverMoves, "%s;", first.tidy);
8578 if(!blackPlaysFirst)
8579 fprintf(serverMoves, "%s;", second.tidy);
8580 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
8581 lastLoadFlag = loadFlag;
8583 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
8584 // print castling suffix
8585 if( toY == fromY && piece == king ) {
8587 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
8589 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
8592 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
8593 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
8594 boards[forwardMostMove][toY][toX] == EmptySquare
8595 && fromX != toX && fromY != toY)
8596 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
8598 if(promoChar != NULLCHAR)
8599 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
8601 fprintf(serverMoves, "/%d/%d",
8602 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
8603 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
8604 else timeLeft = blackTimeRemaining/1000;
8605 fprintf(serverMoves, "/%d", timeLeft);
8607 fflush(serverMoves);
8610 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
8611 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
8615 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
8616 if (commentList[forwardMostMove+1] != NULL) {
8617 free(commentList[forwardMostMove+1]);
8618 commentList[forwardMostMove+1] = NULL;
8620 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8621 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
8622 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
8623 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
8624 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
8625 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
8626 gameInfo.result = GameUnfinished;
8627 if (gameInfo.resultDetails != NULL) {
8628 free(gameInfo.resultDetails);
8629 gameInfo.resultDetails = NULL;
8631 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
8632 moveList[forwardMostMove - 1]);
8633 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
8634 PosFlags(forwardMostMove - 1),
8635 fromY, fromX, toY, toX, promoChar,
8636 parseList[forwardMostMove - 1]);
8637 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8643 if(gameInfo.variant != VariantShogi)
8644 strcat(parseList[forwardMostMove - 1], "+");
8648 strcat(parseList[forwardMostMove - 1], "#");
8651 if (appData.debugMode) {
8652 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
8657 /* Updates currentMove if not pausing */
8659 ShowMove(fromX, fromY, toX, toY)
8661 int instant = (gameMode == PlayFromGameFile) ?
8662 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
8663 if(appData.noGUI) return;
8664 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
8666 if (forwardMostMove == currentMove + 1) {
8667 AnimateMove(boards[forwardMostMove - 1],
8668 fromX, fromY, toX, toY);
8670 if (appData.highlightLastMove) {
8671 SetHighlights(fromX, fromY, toX, toY);
8674 currentMove = forwardMostMove;
8677 if (instant) return;
8679 DisplayMove(currentMove - 1);
8680 DrawPosition(FALSE, boards[currentMove]);
8681 DisplayBothClocks();
8682 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
8685 void SendEgtPath(ChessProgramState *cps)
8686 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
8687 char buf[MSG_SIZ], name[MSG_SIZ], *p;
8689 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
8692 char c, *q = name+1, *r, *s;
8694 name[0] = ','; // extract next format name from feature and copy with prefixed ','
8695 while(*p && *p != ',') *q++ = *p++;
8697 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
8698 strcmp(name, ",nalimov:") == 0 ) {
8699 // take nalimov path from the menu-changeable option first, if it is defined
8700 sprintf(buf, "egtpath nalimov %s\n", appData.defaultPathEGTB);
8701 SendToProgram(buf,cps); // send egtbpath command for nalimov
8703 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
8704 (s = StrStr(appData.egtFormats, name)) != NULL) {
8705 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
8706 s = r = StrStr(s, ":") + 1; // beginning of path info
8707 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
8708 c = *r; *r = 0; // temporarily null-terminate path info
8709 *--q = 0; // strip of trailig ':' from name
8710 sprintf(buf, "egtpath %s %s\n", name+1, s);
8712 SendToProgram(buf,cps); // send egtbpath command for this format
8714 if(*p == ',') p++; // read away comma to position for next format name
8719 InitChessProgram(cps, setup)
8720 ChessProgramState *cps;
8721 int setup; /* [HGM] needed to setup FRC opening position */
8723 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
8724 if (appData.noChessProgram) return;
8725 hintRequested = FALSE;
8726 bookRequested = FALSE;
8728 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
8729 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
8730 if(cps->memSize) { /* [HGM] memory */
8731 sprintf(buf, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
8732 SendToProgram(buf, cps);
8734 SendEgtPath(cps); /* [HGM] EGT */
8735 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
8736 sprintf(buf, "cores %d\n", appData.smpCores);
8737 SendToProgram(buf, cps);
8740 SendToProgram(cps->initString, cps);
8741 if (gameInfo.variant != VariantNormal &&
8742 gameInfo.variant != VariantLoadable
8743 /* [HGM] also send variant if board size non-standard */
8744 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
8746 char *v = VariantName(gameInfo.variant);
8747 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
8748 /* [HGM] in protocol 1 we have to assume all variants valid */
8749 sprintf(buf, _("Variant %s not supported by %s"), v, cps->tidy);
8750 DisplayFatalError(buf, 0, 1);
8754 /* [HGM] make prefix for non-standard board size. Awkward testing... */
8755 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8756 if( gameInfo.variant == VariantXiangqi )
8757 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
8758 if( gameInfo.variant == VariantShogi )
8759 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
8760 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
8761 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
8762 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
8763 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
8764 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8765 if( gameInfo.variant == VariantCourier )
8766 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8767 if( gameInfo.variant == VariantSuper )
8768 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8769 if( gameInfo.variant == VariantGreat )
8770 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8773 sprintf(b, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
8774 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
8775 /* [HGM] varsize: try first if this defiant size variant is specifically known */
8776 if(StrStr(cps->variants, b) == NULL) {
8777 // specific sized variant not known, check if general sizing allowed
8778 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
8779 if(StrStr(cps->variants, "boardsize") == NULL) {
8780 sprintf(buf, "Board size %dx%d+%d not supported by %s",
8781 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
8782 DisplayFatalError(buf, 0, 1);
8785 /* [HGM] here we really should compare with the maximum supported board size */
8788 } else sprintf(b, "%s", VariantName(gameInfo.variant));
8789 sprintf(buf, "variant %s\n", b);
8790 SendToProgram(buf, cps);
8792 currentlyInitializedVariant = gameInfo.variant;
8794 /* [HGM] send opening position in FRC to first engine */
8796 SendToProgram("force\n", cps);
8798 /* engine is now in force mode! Set flag to wake it up after first move. */
8799 setboardSpoiledMachineBlack = 1;
8803 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
8804 SendToProgram(buf, cps);
8806 cps->maybeThinking = FALSE;
8807 cps->offeredDraw = 0;
8808 if (!appData.icsActive) {
8809 SendTimeControl(cps, movesPerSession, timeControl,
8810 timeIncrement, appData.searchDepth,
8813 if (appData.showThinking
8814 // [HGM] thinking: four options require thinking output to be sent
8815 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8817 SendToProgram("post\n", cps);
8819 SendToProgram("hard\n", cps);
8820 if (!appData.ponderNextMove) {
8821 /* Warning: "easy" is a toggle in GNU Chess, so don't send
8822 it without being sure what state we are in first. "hard"
8823 is not a toggle, so that one is OK.
8825 SendToProgram("easy\n", cps);
8828 sprintf(buf, "ping %d\n", ++cps->lastPing);
8829 SendToProgram(buf, cps);
8831 cps->initDone = TRUE;
8836 StartChessProgram(cps)
8837 ChessProgramState *cps;
8842 if (appData.noChessProgram) return;
8843 cps->initDone = FALSE;
8845 if (strcmp(cps->host, "localhost") == 0) {
8846 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
8847 } else if (*appData.remoteShell == NULLCHAR) {
8848 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
8850 if (*appData.remoteUser == NULLCHAR) {
8851 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
8854 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
8855 cps->host, appData.remoteUser, cps->program);
8857 err = StartChildProcess(buf, "", &cps->pr);
8861 sprintf(buf, _("Startup failure on '%s'"), cps->program);
8862 DisplayFatalError(buf, err, 1);
8868 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
8869 if (cps->protocolVersion > 1) {
8870 sprintf(buf, "xboard\nprotover %d\n", cps->protocolVersion);
8871 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
8872 cps->comboCnt = 0; // and values of combo boxes
8873 SendToProgram(buf, cps);
8875 SendToProgram("xboard\n", cps);
8881 TwoMachinesEventIfReady P((void))
8883 if (first.lastPing != first.lastPong) {
8884 DisplayMessage("", _("Waiting for first chess program"));
8885 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8888 if (second.lastPing != second.lastPong) {
8889 DisplayMessage("", _("Waiting for second chess program"));
8890 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8898 NextMatchGame P((void))
8900 int index; /* [HGM] autoinc: step load index during match */
8902 if (*appData.loadGameFile != NULLCHAR) {
8903 index = appData.loadGameIndex;
8904 if(index < 0) { // [HGM] autoinc
8905 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8906 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8908 LoadGameFromFile(appData.loadGameFile,
8910 appData.loadGameFile, FALSE);
8911 } else if (*appData.loadPositionFile != NULLCHAR) {
8912 index = appData.loadPositionIndex;
8913 if(index < 0) { // [HGM] autoinc
8914 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8915 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8917 LoadPositionFromFile(appData.loadPositionFile,
8919 appData.loadPositionFile);
8921 TwoMachinesEventIfReady();
8924 void UserAdjudicationEvent( int result )
8926 ChessMove gameResult = GameIsDrawn;
8929 gameResult = WhiteWins;
8931 else if( result < 0 ) {
8932 gameResult = BlackWins;
8935 if( gameMode == TwoMachinesPlay ) {
8936 GameEnds( gameResult, "User adjudication", GE_XBOARD );
8941 // [HGM] save: calculate checksum of game to make games easily identifiable
8942 int StringCheckSum(char *s)
8945 if(s==NULL) return 0;
8946 while(*s) i = i*259 + *s++;
8953 for(i=backwardMostMove; i<forwardMostMove; i++) {
8954 sum += pvInfoList[i].depth;
8955 sum += StringCheckSum(parseList[i]);
8956 sum += StringCheckSum(commentList[i]);
8959 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
8960 return sum + StringCheckSum(commentList[i]);
8961 } // end of save patch
8964 GameEnds(result, resultDetails, whosays)
8966 char *resultDetails;
8969 GameMode nextGameMode;
8973 if(endingGame) return; /* [HGM] crash: forbid recursion */
8975 if(twoBoards) { // [HGM] dual: switch back to one board
8976 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
8977 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
8979 if (appData.debugMode) {
8980 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
8981 result, resultDetails ? resultDetails : "(null)", whosays);
8984 fromX = fromY = -1; // [HGM] abort any move the user is entering.
8986 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
8987 /* If we are playing on ICS, the server decides when the
8988 game is over, but the engine can offer to draw, claim
8992 if (appData.zippyPlay && first.initDone) {
8993 if (result == GameIsDrawn) {
8994 /* In case draw still needs to be claimed */
8995 SendToICS(ics_prefix);
8996 SendToICS("draw\n");
8997 } else if (StrCaseStr(resultDetails, "resign")) {
8998 SendToICS(ics_prefix);
8999 SendToICS("resign\n");
9003 endingGame = 0; /* [HGM] crash */
9007 /* If we're loading the game from a file, stop */
9008 if (whosays == GE_FILE) {
9009 (void) StopLoadGameTimer();
9013 /* Cancel draw offers */
9014 first.offeredDraw = second.offeredDraw = 0;
9016 /* If this is an ICS game, only ICS can really say it's done;
9017 if not, anyone can. */
9018 isIcsGame = (gameMode == IcsPlayingWhite ||
9019 gameMode == IcsPlayingBlack ||
9020 gameMode == IcsObserving ||
9021 gameMode == IcsExamining);
9023 if (!isIcsGame || whosays == GE_ICS) {
9024 /* OK -- not an ICS game, or ICS said it was done */
9026 if (!isIcsGame && !appData.noChessProgram)
9027 SetUserThinkingEnables();
9029 /* [HGM] if a machine claims the game end we verify this claim */
9030 if(gameMode == TwoMachinesPlay && appData.testClaims) {
9031 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
9033 ChessMove trueResult = (ChessMove) -1;
9035 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
9036 first.twoMachinesColor[0] :
9037 second.twoMachinesColor[0] ;
9039 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
9040 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
9041 /* [HGM] verify: engine mate claims accepted if they were flagged */
9042 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
9044 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
9045 /* [HGM] verify: engine mate claims accepted if they were flagged */
9046 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
9048 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
9049 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
9052 // now verify win claims, but not in drop games, as we don't understand those yet
9053 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
9054 || gameInfo.variant == VariantGreat) &&
9055 (result == WhiteWins && claimer == 'w' ||
9056 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
9057 if (appData.debugMode) {
9058 fprintf(debugFP, "result=%d sp=%d move=%d\n",
9059 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
9061 if(result != trueResult) {
9062 sprintf(buf, "False win claim: '%s'", resultDetails);
9063 result = claimer == 'w' ? BlackWins : WhiteWins;
9064 resultDetails = buf;
9067 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
9068 && (forwardMostMove <= backwardMostMove ||
9069 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
9070 (claimer=='b')==(forwardMostMove&1))
9072 /* [HGM] verify: draws that were not flagged are false claims */
9073 sprintf(buf, "False draw claim: '%s'", resultDetails);
9074 result = claimer == 'w' ? BlackWins : WhiteWins;
9075 resultDetails = buf;
9077 /* (Claiming a loss is accepted no questions asked!) */
9079 /* [HGM] bare: don't allow bare King to win */
9080 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
9081 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
9082 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
9083 && result != GameIsDrawn)
9084 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
9085 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
9086 int p = (signed char)boards[forwardMostMove][i][j] - color;
9087 if(p >= 0 && p <= (int)WhiteKing) k++;
9089 if (appData.debugMode) {
9090 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
9091 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
9094 result = GameIsDrawn;
9095 sprintf(buf, "%s but bare king", resultDetails);
9096 resultDetails = buf;
9102 if(serverMoves != NULL && !loadFlag) { char c = '=';
9103 if(result==WhiteWins) c = '+';
9104 if(result==BlackWins) c = '-';
9105 if(resultDetails != NULL)
9106 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
9108 if (resultDetails != NULL) {
9109 gameInfo.result = result;
9110 gameInfo.resultDetails = StrSave(resultDetails);
9112 /* display last move only if game was not loaded from file */
9113 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
9114 DisplayMove(currentMove - 1);
9116 if (forwardMostMove != 0) {
9117 if (gameMode != PlayFromGameFile && gameMode != EditGame
9118 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
9120 if (*appData.saveGameFile != NULLCHAR) {
9121 SaveGameToFile(appData.saveGameFile, TRUE);
9122 } else if (appData.autoSaveGames) {
9125 if (*appData.savePositionFile != NULLCHAR) {
9126 SavePositionToFile(appData.savePositionFile);
9131 /* Tell program how game ended in case it is learning */
9132 /* [HGM] Moved this to after saving the PGN, just in case */
9133 /* engine died and we got here through time loss. In that */
9134 /* case we will get a fatal error writing the pipe, which */
9135 /* would otherwise lose us the PGN. */
9136 /* [HGM] crash: not needed anymore, but doesn't hurt; */
9137 /* output during GameEnds should never be fatal anymore */
9138 if (gameMode == MachinePlaysWhite ||
9139 gameMode == MachinePlaysBlack ||
9140 gameMode == TwoMachinesPlay ||
9141 gameMode == IcsPlayingWhite ||
9142 gameMode == IcsPlayingBlack ||
9143 gameMode == BeginningOfGame) {
9145 sprintf(buf, "result %s {%s}\n", PGNResult(result),
9147 if (first.pr != NoProc) {
9148 SendToProgram(buf, &first);
9150 if (second.pr != NoProc &&
9151 gameMode == TwoMachinesPlay) {
9152 SendToProgram(buf, &second);
9157 if (appData.icsActive) {
9158 if (appData.quietPlay &&
9159 (gameMode == IcsPlayingWhite ||
9160 gameMode == IcsPlayingBlack)) {
9161 SendToICS(ics_prefix);
9162 SendToICS("set shout 1\n");
9164 nextGameMode = IcsIdle;
9165 ics_user_moved = FALSE;
9166 /* clean up premove. It's ugly when the game has ended and the
9167 * premove highlights are still on the board.
9171 ClearPremoveHighlights();
9172 DrawPosition(FALSE, boards[currentMove]);
9174 if (whosays == GE_ICS) {
9177 if (gameMode == IcsPlayingWhite)
9179 else if(gameMode == IcsPlayingBlack)
9183 if (gameMode == IcsPlayingBlack)
9185 else if(gameMode == IcsPlayingWhite)
9192 PlayIcsUnfinishedSound();
9195 } else if (gameMode == EditGame ||
9196 gameMode == PlayFromGameFile ||
9197 gameMode == AnalyzeMode ||
9198 gameMode == AnalyzeFile) {
9199 nextGameMode = gameMode;
9201 nextGameMode = EndOfGame;
9206 nextGameMode = gameMode;
9209 if (appData.noChessProgram) {
9210 gameMode = nextGameMode;
9212 endingGame = 0; /* [HGM] crash */
9217 /* Put first chess program into idle state */
9218 if (first.pr != NoProc &&
9219 (gameMode == MachinePlaysWhite ||
9220 gameMode == MachinePlaysBlack ||
9221 gameMode == TwoMachinesPlay ||
9222 gameMode == IcsPlayingWhite ||
9223 gameMode == IcsPlayingBlack ||
9224 gameMode == BeginningOfGame)) {
9225 SendToProgram("force\n", &first);
9226 if (first.usePing) {
9228 sprintf(buf, "ping %d\n", ++first.lastPing);
9229 SendToProgram(buf, &first);
9232 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9233 /* Kill off first chess program */
9234 if (first.isr != NULL)
9235 RemoveInputSource(first.isr);
9238 if (first.pr != NoProc) {
9240 DoSleep( appData.delayBeforeQuit );
9241 SendToProgram("quit\n", &first);
9242 DoSleep( appData.delayAfterQuit );
9243 DestroyChildProcess(first.pr, first.useSigterm);
9248 /* Put second chess program into idle state */
9249 if (second.pr != NoProc &&
9250 gameMode == TwoMachinesPlay) {
9251 SendToProgram("force\n", &second);
9252 if (second.usePing) {
9254 sprintf(buf, "ping %d\n", ++second.lastPing);
9255 SendToProgram(buf, &second);
9258 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9259 /* Kill off second chess program */
9260 if (second.isr != NULL)
9261 RemoveInputSource(second.isr);
9264 if (second.pr != NoProc) {
9265 DoSleep( appData.delayBeforeQuit );
9266 SendToProgram("quit\n", &second);
9267 DoSleep( appData.delayAfterQuit );
9268 DestroyChildProcess(second.pr, second.useSigterm);
9273 if (matchMode && gameMode == TwoMachinesPlay) {
9276 if (first.twoMachinesColor[0] == 'w') {
9283 if (first.twoMachinesColor[0] == 'b') {
9292 if (matchGame < appData.matchGames) {
9294 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
9295 tmp = first.twoMachinesColor;
9296 first.twoMachinesColor = second.twoMachinesColor;
9297 second.twoMachinesColor = tmp;
9299 gameMode = nextGameMode;
9301 if(appData.matchPause>10000 || appData.matchPause<10)
9302 appData.matchPause = 10000; /* [HGM] make pause adjustable */
9303 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
9304 endingGame = 0; /* [HGM] crash */
9308 gameMode = nextGameMode;
9309 sprintf(buf, _("Match %s vs. %s: final score %d-%d-%d"),
9310 first.tidy, second.tidy,
9311 first.matchWins, second.matchWins,
9312 appData.matchGames - (first.matchWins + second.matchWins));
9313 DisplayFatalError(buf, 0, 0);
9316 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
9317 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
9319 gameMode = nextGameMode;
9321 endingGame = 0; /* [HGM] crash */
9324 /* Assumes program was just initialized (initString sent).
9325 Leaves program in force mode. */
9327 FeedMovesToProgram(cps, upto)
9328 ChessProgramState *cps;
9333 if (appData.debugMode)
9334 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
9335 startedFromSetupPosition ? "position and " : "",
9336 backwardMostMove, upto, cps->which);
9337 if(currentlyInitializedVariant != gameInfo.variant) { char buf[MSG_SIZ];
9338 // [HGM] variantswitch: make engine aware of new variant
9339 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
9340 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
9341 sprintf(buf, "variant %s\n", VariantName(gameInfo.variant));
9342 SendToProgram(buf, cps);
9343 currentlyInitializedVariant = gameInfo.variant;
9345 SendToProgram("force\n", cps);
9346 if (startedFromSetupPosition) {
9347 SendBoard(cps, backwardMostMove);
9348 if (appData.debugMode) {
9349 fprintf(debugFP, "feedMoves\n");
9352 for (i = backwardMostMove; i < upto; i++) {
9353 SendMoveToProgram(i, cps);
9359 ResurrectChessProgram()
9361 /* The chess program may have exited.
9362 If so, restart it and feed it all the moves made so far. */
9364 if (appData.noChessProgram || first.pr != NoProc) return;
9366 StartChessProgram(&first);
9367 InitChessProgram(&first, FALSE);
9368 FeedMovesToProgram(&first, currentMove);
9370 if (!first.sendTime) {
9371 /* can't tell gnuchess what its clock should read,
9372 so we bow to its notion. */
9374 timeRemaining[0][currentMove] = whiteTimeRemaining;
9375 timeRemaining[1][currentMove] = blackTimeRemaining;
9378 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
9379 appData.icsEngineAnalyze) && first.analysisSupport) {
9380 SendToProgram("analyze\n", &first);
9381 first.analyzing = TRUE;
9394 if (appData.debugMode) {
9395 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
9396 redraw, init, gameMode);
9398 CleanupTail(); // [HGM] vari: delete any stored variations
9399 pausing = pauseExamInvalid = FALSE;
9400 startedFromSetupPosition = blackPlaysFirst = FALSE;
9402 whiteFlag = blackFlag = FALSE;
9403 userOfferedDraw = FALSE;
9404 hintRequested = bookRequested = FALSE;
9405 first.maybeThinking = FALSE;
9406 second.maybeThinking = FALSE;
9407 first.bookSuspend = FALSE; // [HGM] book
9408 second.bookSuspend = FALSE;
9409 thinkOutput[0] = NULLCHAR;
9410 lastHint[0] = NULLCHAR;
9411 ClearGameInfo(&gameInfo);
9412 gameInfo.variant = StringToVariant(appData.variant);
9413 ics_user_moved = ics_clock_paused = FALSE;
9414 ics_getting_history = H_FALSE;
9416 white_holding[0] = black_holding[0] = NULLCHAR;
9417 ClearProgramStats();
9418 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
9422 flipView = appData.flipView;
9423 ClearPremoveHighlights();
9425 alarmSounded = FALSE;
9427 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
9428 if(appData.serverMovesName != NULL) {
9429 /* [HGM] prepare to make moves file for broadcasting */
9430 clock_t t = clock();
9431 if(serverMoves != NULL) fclose(serverMoves);
9432 serverMoves = fopen(appData.serverMovesName, "r");
9433 if(serverMoves != NULL) {
9434 fclose(serverMoves);
9435 /* delay 15 sec before overwriting, so all clients can see end */
9436 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
9438 serverMoves = fopen(appData.serverMovesName, "w");
9442 gameMode = BeginningOfGame;
9444 if(appData.icsActive) gameInfo.variant = VariantNormal;
9445 currentMove = forwardMostMove = backwardMostMove = 0;
9446 InitPosition(redraw);
9447 for (i = 0; i < MAX_MOVES; i++) {
9448 if (commentList[i] != NULL) {
9449 free(commentList[i]);
9450 commentList[i] = NULL;
9454 timeRemaining[0][0] = whiteTimeRemaining;
9455 timeRemaining[1][0] = blackTimeRemaining;
9456 if (first.pr == NULL) {
9457 StartChessProgram(&first);
9460 InitChessProgram(&first, startedFromSetupPosition);
9463 DisplayMessage("", "");
9464 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9465 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
9472 if (!AutoPlayOneMove())
9474 if (matchMode || appData.timeDelay == 0)
9476 if (appData.timeDelay < 0 || gameMode == AnalyzeFile)
9478 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
9487 int fromX, fromY, toX, toY;
9489 if (appData.debugMode) {
9490 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
9493 if (gameMode != PlayFromGameFile)
9496 if (currentMove >= forwardMostMove) {
9497 gameMode = EditGame;
9500 /* [AS] Clear current move marker at the end of a game */
9501 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
9506 toX = moveList[currentMove][2] - AAA;
9507 toY = moveList[currentMove][3] - ONE;
9509 if (moveList[currentMove][1] == '@') {
9510 if (appData.highlightLastMove) {
9511 SetHighlights(-1, -1, toX, toY);
9514 fromX = moveList[currentMove][0] - AAA;
9515 fromY = moveList[currentMove][1] - ONE;
9517 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
9519 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
9521 if (appData.highlightLastMove) {
9522 SetHighlights(fromX, fromY, toX, toY);
9525 DisplayMove(currentMove);
9526 SendMoveToProgram(currentMove++, &first);
9527 DisplayBothClocks();
9528 DrawPosition(FALSE, boards[currentMove]);
9529 // [HGM] PV info: always display, routine tests if empty
9530 DisplayComment(currentMove - 1, commentList[currentMove]);
9536 LoadGameOneMove(readAhead)
9537 ChessMove readAhead;
9539 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
9540 char promoChar = NULLCHAR;
9545 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
9546 gameMode != AnalyzeMode && gameMode != Training) {
9551 yyboardindex = forwardMostMove;
9552 if (readAhead != (ChessMove)0) {
9553 moveType = readAhead;
9555 if (gameFileFP == NULL)
9557 moveType = (ChessMove) yylex();
9563 if (appData.debugMode)
9564 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9567 /* append the comment but don't display it */
9568 AppendComment(currentMove, p, FALSE);
9571 case WhiteCapturesEnPassant:
9572 case BlackCapturesEnPassant:
9573 case WhitePromotionChancellor:
9574 case BlackPromotionChancellor:
9575 case WhitePromotionArchbishop:
9576 case BlackPromotionArchbishop:
9577 case WhitePromotionCentaur:
9578 case BlackPromotionCentaur:
9579 case WhitePromotionQueen:
9580 case BlackPromotionQueen:
9581 case WhitePromotionRook:
9582 case BlackPromotionRook:
9583 case WhitePromotionBishop:
9584 case BlackPromotionBishop:
9585 case WhitePromotionKnight:
9586 case BlackPromotionKnight:
9587 case WhitePromotionKing:
9588 case BlackPromotionKing:
9590 case WhiteKingSideCastle:
9591 case WhiteQueenSideCastle:
9592 case BlackKingSideCastle:
9593 case BlackQueenSideCastle:
9594 case WhiteKingSideCastleWild:
9595 case WhiteQueenSideCastleWild:
9596 case BlackKingSideCastleWild:
9597 case BlackQueenSideCastleWild:
9599 case WhiteHSideCastleFR:
9600 case WhiteASideCastleFR:
9601 case BlackHSideCastleFR:
9602 case BlackASideCastleFR:
9604 if (appData.debugMode)
9605 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9606 fromX = currentMoveString[0] - AAA;
9607 fromY = currentMoveString[1] - ONE;
9608 toX = currentMoveString[2] - AAA;
9609 toY = currentMoveString[3] - ONE;
9610 promoChar = currentMoveString[4];
9615 if (appData.debugMode)
9616 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9617 fromX = moveType == WhiteDrop ?
9618 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9619 (int) CharToPiece(ToLower(currentMoveString[0]));
9621 toX = currentMoveString[2] - AAA;
9622 toY = currentMoveString[3] - ONE;
9628 case GameUnfinished:
9629 if (appData.debugMode)
9630 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
9631 p = strchr(yy_text, '{');
9632 if (p == NULL) p = strchr(yy_text, '(');
9635 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9637 q = strchr(p, *p == '{' ? '}' : ')');
9638 if (q != NULL) *q = NULLCHAR;
9641 GameEnds(moveType, p, GE_FILE);
9643 if (cmailMsgLoaded) {
9645 flipView = WhiteOnMove(currentMove);
9646 if (moveType == GameUnfinished) flipView = !flipView;
9647 if (appData.debugMode)
9648 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
9652 case (ChessMove) 0: /* end of file */
9653 if (appData.debugMode)
9654 fprintf(debugFP, "Parser hit end of file\n");
9655 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9661 if (WhiteOnMove(currentMove)) {
9662 GameEnds(BlackWins, "Black mates", GE_FILE);
9664 GameEnds(WhiteWins, "White mates", GE_FILE);
9668 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9675 if (lastLoadGameStart == GNUChessGame) {
9676 /* GNUChessGames have numbers, but they aren't move numbers */
9677 if (appData.debugMode)
9678 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9679 yy_text, (int) moveType);
9680 return LoadGameOneMove((ChessMove)0); /* tail recursion */
9682 /* else fall thru */
9687 /* Reached start of next game in file */
9688 if (appData.debugMode)
9689 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
9690 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9696 if (WhiteOnMove(currentMove)) {
9697 GameEnds(BlackWins, "Black mates", GE_FILE);
9699 GameEnds(WhiteWins, "White mates", GE_FILE);
9703 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9709 case PositionDiagram: /* should not happen; ignore */
9710 case ElapsedTime: /* ignore */
9711 case NAG: /* ignore */
9712 if (appData.debugMode)
9713 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9714 yy_text, (int) moveType);
9715 return LoadGameOneMove((ChessMove)0); /* tail recursion */
9718 if (appData.testLegality) {
9719 if (appData.debugMode)
9720 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
9721 sprintf(move, _("Illegal move: %d.%s%s"),
9722 (forwardMostMove / 2) + 1,
9723 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9724 DisplayError(move, 0);
9727 if (appData.debugMode)
9728 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
9729 yy_text, currentMoveString);
9730 fromX = currentMoveString[0] - AAA;
9731 fromY = currentMoveString[1] - ONE;
9732 toX = currentMoveString[2] - AAA;
9733 toY = currentMoveString[3] - ONE;
9734 promoChar = currentMoveString[4];
9739 if (appData.debugMode)
9740 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
9741 sprintf(move, _("Ambiguous move: %d.%s%s"),
9742 (forwardMostMove / 2) + 1,
9743 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9744 DisplayError(move, 0);
9749 case ImpossibleMove:
9750 if (appData.debugMode)
9751 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
9752 sprintf(move, _("Illegal move: %d.%s%s"),
9753 (forwardMostMove / 2) + 1,
9754 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9755 DisplayError(move, 0);
9761 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
9762 DrawPosition(FALSE, boards[currentMove]);
9763 DisplayBothClocks();
9764 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
9765 DisplayComment(currentMove - 1, commentList[currentMove]);
9767 (void) StopLoadGameTimer();
9769 cmailOldMove = forwardMostMove;
9772 /* currentMoveString is set as a side-effect of yylex */
9773 strcat(currentMoveString, "\n");
9774 strcpy(moveList[forwardMostMove], currentMoveString);
9776 thinkOutput[0] = NULLCHAR;
9777 MakeMove(fromX, fromY, toX, toY, promoChar);
9778 currentMove = forwardMostMove;
9783 /* Load the nth game from the given file */
9785 LoadGameFromFile(filename, n, title, useList)
9789 /*Boolean*/ int useList;
9794 if (strcmp(filename, "-") == 0) {
9798 f = fopen(filename, "rb");
9800 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9801 DisplayError(buf, errno);
9805 if (fseek(f, 0, 0) == -1) {
9806 /* f is not seekable; probably a pipe */
9809 if (useList && n == 0) {
9810 int error = GameListBuild(f);
9812 DisplayError(_("Cannot build game list"), error);
9813 } else if (!ListEmpty(&gameList) &&
9814 ((ListGame *) gameList.tailPred)->number > 1) {
9815 GameListPopUp(f, title);
9822 return LoadGame(f, n, title, FALSE);
9827 MakeRegisteredMove()
9829 int fromX, fromY, toX, toY;
9831 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9832 switch (cmailMoveType[lastLoadGameNumber - 1]) {
9835 if (appData.debugMode)
9836 fprintf(debugFP, "Restoring %s for game %d\n",
9837 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
9839 thinkOutput[0] = NULLCHAR;
9840 strcpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1]);
9841 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
9842 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
9843 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
9844 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
9845 promoChar = cmailMove[lastLoadGameNumber - 1][4];
9846 MakeMove(fromX, fromY, toX, toY, promoChar);
9847 ShowMove(fromX, fromY, toX, toY);
9849 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9856 if (WhiteOnMove(currentMove)) {
9857 GameEnds(BlackWins, "Black mates", GE_PLAYER);
9859 GameEnds(WhiteWins, "White mates", GE_PLAYER);
9864 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
9871 if (WhiteOnMove(currentMove)) {
9872 GameEnds(BlackWins, "White resigns", GE_PLAYER);
9874 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
9879 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
9890 /* Wrapper around LoadGame for use when a Cmail message is loaded */
9892 CmailLoadGame(f, gameNumber, title, useList)
9900 if (gameNumber > nCmailGames) {
9901 DisplayError(_("No more games in this message"), 0);
9904 if (f == lastLoadGameFP) {
9905 int offset = gameNumber - lastLoadGameNumber;
9907 cmailMsg[0] = NULLCHAR;
9908 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9909 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
9910 nCmailMovesRegistered--;
9912 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
9913 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
9914 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
9917 if (! RegisterMove()) return FALSE;
9921 retVal = LoadGame(f, gameNumber, title, useList);
9923 /* Make move registered during previous look at this game, if any */
9924 MakeRegisteredMove();
9926 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
9927 commentList[currentMove]
9928 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
9929 DisplayComment(currentMove - 1, commentList[currentMove]);
9935 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
9940 int gameNumber = lastLoadGameNumber + offset;
9941 if (lastLoadGameFP == NULL) {
9942 DisplayError(_("No game has been loaded yet"), 0);
9945 if (gameNumber <= 0) {
9946 DisplayError(_("Can't back up any further"), 0);
9949 if (cmailMsgLoaded) {
9950 return CmailLoadGame(lastLoadGameFP, gameNumber,
9951 lastLoadGameTitle, lastLoadGameUseList);
9953 return LoadGame(lastLoadGameFP, gameNumber,
9954 lastLoadGameTitle, lastLoadGameUseList);
9960 /* Load the nth game from open file f */
9962 LoadGame(f, gameNumber, title, useList)
9970 int gn = gameNumber;
9971 ListGame *lg = NULL;
9974 GameMode oldGameMode;
9975 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
9977 if (appData.debugMode)
9978 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
9980 if (gameMode == Training )
9981 SetTrainingModeOff();
9983 oldGameMode = gameMode;
9984 if (gameMode != BeginningOfGame) {
9989 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
9990 fclose(lastLoadGameFP);
9994 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
9997 fseek(f, lg->offset, 0);
9998 GameListHighlight(gameNumber);
10002 DisplayError(_("Game number out of range"), 0);
10007 if (fseek(f, 0, 0) == -1) {
10008 if (f == lastLoadGameFP ?
10009 gameNumber == lastLoadGameNumber + 1 :
10013 DisplayError(_("Can't seek on game file"), 0);
10018 lastLoadGameFP = f;
10019 lastLoadGameNumber = gameNumber;
10020 strcpy(lastLoadGameTitle, title);
10021 lastLoadGameUseList = useList;
10025 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
10026 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
10027 lg->gameInfo.black);
10029 } else if (*title != NULLCHAR) {
10030 if (gameNumber > 1) {
10031 sprintf(buf, "%s %d", title, gameNumber);
10034 DisplayTitle(title);
10038 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
10039 gameMode = PlayFromGameFile;
10043 currentMove = forwardMostMove = backwardMostMove = 0;
10044 CopyBoard(boards[0], initialPosition);
10048 * Skip the first gn-1 games in the file.
10049 * Also skip over anything that precedes an identifiable
10050 * start of game marker, to avoid being confused by
10051 * garbage at the start of the file. Currently
10052 * recognized start of game markers are the move number "1",
10053 * the pattern "gnuchess .* game", the pattern
10054 * "^[#;%] [^ ]* game file", and a PGN tag block.
10055 * A game that starts with one of the latter two patterns
10056 * will also have a move number 1, possibly
10057 * following a position diagram.
10058 * 5-4-02: Let's try being more lenient and allowing a game to
10059 * start with an unnumbered move. Does that break anything?
10061 cm = lastLoadGameStart = (ChessMove) 0;
10063 yyboardindex = forwardMostMove;
10064 cm = (ChessMove) yylex();
10066 case (ChessMove) 0:
10067 if (cmailMsgLoaded) {
10068 nCmailGames = CMAIL_MAX_GAMES - gn;
10071 DisplayError(_("Game not found in file"), 0);
10078 lastLoadGameStart = cm;
10081 case MoveNumberOne:
10082 switch (lastLoadGameStart) {
10087 case MoveNumberOne:
10088 case (ChessMove) 0:
10089 gn--; /* count this game */
10090 lastLoadGameStart = cm;
10099 switch (lastLoadGameStart) {
10102 case MoveNumberOne:
10103 case (ChessMove) 0:
10104 gn--; /* count this game */
10105 lastLoadGameStart = cm;
10108 lastLoadGameStart = cm; /* game counted already */
10116 yyboardindex = forwardMostMove;
10117 cm = (ChessMove) yylex();
10118 } while (cm == PGNTag || cm == Comment);
10125 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
10126 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
10127 != CMAIL_OLD_RESULT) {
10129 cmailResult[ CMAIL_MAX_GAMES
10130 - gn - 1] = CMAIL_OLD_RESULT;
10136 /* Only a NormalMove can be at the start of a game
10137 * without a position diagram. */
10138 if (lastLoadGameStart == (ChessMove) 0) {
10140 lastLoadGameStart = MoveNumberOne;
10149 if (appData.debugMode)
10150 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
10152 if (cm == XBoardGame) {
10153 /* Skip any header junk before position diagram and/or move 1 */
10155 yyboardindex = forwardMostMove;
10156 cm = (ChessMove) yylex();
10158 if (cm == (ChessMove) 0 ||
10159 cm == GNUChessGame || cm == XBoardGame) {
10160 /* Empty game; pretend end-of-file and handle later */
10161 cm = (ChessMove) 0;
10165 if (cm == MoveNumberOne || cm == PositionDiagram ||
10166 cm == PGNTag || cm == Comment)
10169 } else if (cm == GNUChessGame) {
10170 if (gameInfo.event != NULL) {
10171 free(gameInfo.event);
10173 gameInfo.event = StrSave(yy_text);
10176 startedFromSetupPosition = FALSE;
10177 while (cm == PGNTag) {
10178 if (appData.debugMode)
10179 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
10180 err = ParsePGNTag(yy_text, &gameInfo);
10181 if (!err) numPGNTags++;
10183 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
10184 if(gameInfo.variant != oldVariant) {
10185 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
10186 InitPosition(TRUE);
10187 oldVariant = gameInfo.variant;
10188 if (appData.debugMode)
10189 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
10193 if (gameInfo.fen != NULL) {
10194 Board initial_position;
10195 startedFromSetupPosition = TRUE;
10196 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
10198 DisplayError(_("Bad FEN position in file"), 0);
10201 CopyBoard(boards[0], initial_position);
10202 if (blackPlaysFirst) {
10203 currentMove = forwardMostMove = backwardMostMove = 1;
10204 CopyBoard(boards[1], initial_position);
10205 strcpy(moveList[0], "");
10206 strcpy(parseList[0], "");
10207 timeRemaining[0][1] = whiteTimeRemaining;
10208 timeRemaining[1][1] = blackTimeRemaining;
10209 if (commentList[0] != NULL) {
10210 commentList[1] = commentList[0];
10211 commentList[0] = NULL;
10214 currentMove = forwardMostMove = backwardMostMove = 0;
10216 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
10218 initialRulePlies = FENrulePlies;
10219 for( i=0; i< nrCastlingRights; i++ )
10220 initialRights[i] = initial_position[CASTLING][i];
10222 yyboardindex = forwardMostMove;
10223 free(gameInfo.fen);
10224 gameInfo.fen = NULL;
10227 yyboardindex = forwardMostMove;
10228 cm = (ChessMove) yylex();
10230 /* Handle comments interspersed among the tags */
10231 while (cm == Comment) {
10233 if (appData.debugMode)
10234 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10236 AppendComment(currentMove, p, FALSE);
10237 yyboardindex = forwardMostMove;
10238 cm = (ChessMove) yylex();
10242 /* don't rely on existence of Event tag since if game was
10243 * pasted from clipboard the Event tag may not exist
10245 if (numPGNTags > 0){
10247 if (gameInfo.variant == VariantNormal) {
10248 VariantClass v = StringToVariant(gameInfo.event);
10249 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
10250 if(v < VariantShogi) gameInfo.variant = v;
10253 if( appData.autoDisplayTags ) {
10254 tags = PGNTags(&gameInfo);
10255 TagsPopUp(tags, CmailMsg());
10260 /* Make something up, but don't display it now */
10265 if (cm == PositionDiagram) {
10268 Board initial_position;
10270 if (appData.debugMode)
10271 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
10273 if (!startedFromSetupPosition) {
10275 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
10276 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
10286 initial_position[i][j++] = CharToPiece(*p);
10289 while (*p == ' ' || *p == '\t' ||
10290 *p == '\n' || *p == '\r') p++;
10292 if (strncmp(p, "black", strlen("black"))==0)
10293 blackPlaysFirst = TRUE;
10295 blackPlaysFirst = FALSE;
10296 startedFromSetupPosition = TRUE;
10298 CopyBoard(boards[0], initial_position);
10299 if (blackPlaysFirst) {
10300 currentMove = forwardMostMove = backwardMostMove = 1;
10301 CopyBoard(boards[1], initial_position);
10302 strcpy(moveList[0], "");
10303 strcpy(parseList[0], "");
10304 timeRemaining[0][1] = whiteTimeRemaining;
10305 timeRemaining[1][1] = blackTimeRemaining;
10306 if (commentList[0] != NULL) {
10307 commentList[1] = commentList[0];
10308 commentList[0] = NULL;
10311 currentMove = forwardMostMove = backwardMostMove = 0;
10314 yyboardindex = forwardMostMove;
10315 cm = (ChessMove) yylex();
10318 if (first.pr == NoProc) {
10319 StartChessProgram(&first);
10321 InitChessProgram(&first, FALSE);
10322 SendToProgram("force\n", &first);
10323 if (startedFromSetupPosition) {
10324 SendBoard(&first, forwardMostMove);
10325 if (appData.debugMode) {
10326 fprintf(debugFP, "Load Game\n");
10328 DisplayBothClocks();
10331 /* [HGM] server: flag to write setup moves in broadcast file as one */
10332 loadFlag = appData.suppressLoadMoves;
10334 while (cm == Comment) {
10336 if (appData.debugMode)
10337 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10339 AppendComment(currentMove, p, FALSE);
10340 yyboardindex = forwardMostMove;
10341 cm = (ChessMove) yylex();
10344 if ((cm == (ChessMove) 0 && lastLoadGameStart != (ChessMove) 0) ||
10345 cm == WhiteWins || cm == BlackWins ||
10346 cm == GameIsDrawn || cm == GameUnfinished) {
10347 DisplayMessage("", _("No moves in game"));
10348 if (cmailMsgLoaded) {
10349 if (appData.debugMode)
10350 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
10354 DrawPosition(FALSE, boards[currentMove]);
10355 DisplayBothClocks();
10356 gameMode = EditGame;
10363 // [HGM] PV info: routine tests if comment empty
10364 if (!matchMode && (pausing || appData.timeDelay != 0)) {
10365 DisplayComment(currentMove - 1, commentList[currentMove]);
10367 if (!matchMode && appData.timeDelay != 0)
10368 DrawPosition(FALSE, boards[currentMove]);
10370 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
10371 programStats.ok_to_send = 1;
10374 /* if the first token after the PGN tags is a move
10375 * and not move number 1, retrieve it from the parser
10377 if (cm != MoveNumberOne)
10378 LoadGameOneMove(cm);
10380 /* load the remaining moves from the file */
10381 while (LoadGameOneMove((ChessMove)0)) {
10382 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10383 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10386 /* rewind to the start of the game */
10387 currentMove = backwardMostMove;
10389 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10391 if (oldGameMode == AnalyzeFile ||
10392 oldGameMode == AnalyzeMode) {
10393 AnalyzeFileEvent();
10396 if (matchMode || appData.timeDelay == 0) {
10398 gameMode = EditGame;
10400 } else if (appData.timeDelay > 0) {
10401 AutoPlayGameLoop();
10404 if (appData.debugMode)
10405 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
10407 loadFlag = 0; /* [HGM] true game starts */
10411 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
10413 ReloadPosition(offset)
10416 int positionNumber = lastLoadPositionNumber + offset;
10417 if (lastLoadPositionFP == NULL) {
10418 DisplayError(_("No position has been loaded yet"), 0);
10421 if (positionNumber <= 0) {
10422 DisplayError(_("Can't back up any further"), 0);
10425 return LoadPosition(lastLoadPositionFP, positionNumber,
10426 lastLoadPositionTitle);
10429 /* Load the nth position from the given file */
10431 LoadPositionFromFile(filename, n, title)
10439 if (strcmp(filename, "-") == 0) {
10440 return LoadPosition(stdin, n, "stdin");
10442 f = fopen(filename, "rb");
10444 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10445 DisplayError(buf, errno);
10448 return LoadPosition(f, n, title);
10453 /* Load the nth position from the given open file, and close it */
10455 LoadPosition(f, positionNumber, title)
10457 int positionNumber;
10460 char *p, line[MSG_SIZ];
10461 Board initial_position;
10462 int i, j, fenMode, pn;
10464 if (gameMode == Training )
10465 SetTrainingModeOff();
10467 if (gameMode != BeginningOfGame) {
10468 Reset(FALSE, TRUE);
10470 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
10471 fclose(lastLoadPositionFP);
10473 if (positionNumber == 0) positionNumber = 1;
10474 lastLoadPositionFP = f;
10475 lastLoadPositionNumber = positionNumber;
10476 strcpy(lastLoadPositionTitle, title);
10477 if (first.pr == NoProc) {
10478 StartChessProgram(&first);
10479 InitChessProgram(&first, FALSE);
10481 pn = positionNumber;
10482 if (positionNumber < 0) {
10483 /* Negative position number means to seek to that byte offset */
10484 if (fseek(f, -positionNumber, 0) == -1) {
10485 DisplayError(_("Can't seek on position file"), 0);
10490 if (fseek(f, 0, 0) == -1) {
10491 if (f == lastLoadPositionFP ?
10492 positionNumber == lastLoadPositionNumber + 1 :
10493 positionNumber == 1) {
10496 DisplayError(_("Can't seek on position file"), 0);
10501 /* See if this file is FEN or old-style xboard */
10502 if (fgets(line, MSG_SIZ, f) == NULL) {
10503 DisplayError(_("Position not found in file"), 0);
10506 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
10507 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
10510 if (fenMode || line[0] == '#') pn--;
10512 /* skip positions before number pn */
10513 if (fgets(line, MSG_SIZ, f) == NULL) {
10515 DisplayError(_("Position not found in file"), 0);
10518 if (fenMode || line[0] == '#') pn--;
10523 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
10524 DisplayError(_("Bad FEN position in file"), 0);
10528 (void) fgets(line, MSG_SIZ, f);
10529 (void) fgets(line, MSG_SIZ, f);
10531 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
10532 (void) fgets(line, MSG_SIZ, f);
10533 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
10536 initial_position[i][j++] = CharToPiece(*p);
10540 blackPlaysFirst = FALSE;
10542 (void) fgets(line, MSG_SIZ, f);
10543 if (strncmp(line, "black", strlen("black"))==0)
10544 blackPlaysFirst = TRUE;
10547 startedFromSetupPosition = TRUE;
10549 SendToProgram("force\n", &first);
10550 CopyBoard(boards[0], initial_position);
10551 if (blackPlaysFirst) {
10552 currentMove = forwardMostMove = backwardMostMove = 1;
10553 strcpy(moveList[0], "");
10554 strcpy(parseList[0], "");
10555 CopyBoard(boards[1], initial_position);
10556 DisplayMessage("", _("Black to play"));
10558 currentMove = forwardMostMove = backwardMostMove = 0;
10559 DisplayMessage("", _("White to play"));
10561 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
10562 SendBoard(&first, forwardMostMove);
10563 if (appData.debugMode) {
10565 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
10566 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
10567 fprintf(debugFP, "Load Position\n");
10570 if (positionNumber > 1) {
10571 sprintf(line, "%s %d", title, positionNumber);
10572 DisplayTitle(line);
10574 DisplayTitle(title);
10576 gameMode = EditGame;
10579 timeRemaining[0][1] = whiteTimeRemaining;
10580 timeRemaining[1][1] = blackTimeRemaining;
10581 DrawPosition(FALSE, boards[currentMove]);
10588 CopyPlayerNameIntoFileName(dest, src)
10591 while (*src != NULLCHAR && *src != ',') {
10596 *(*dest)++ = *src++;
10601 char *DefaultFileName(ext)
10604 static char def[MSG_SIZ];
10607 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
10609 CopyPlayerNameIntoFileName(&p, gameInfo.white);
10611 CopyPlayerNameIntoFileName(&p, gameInfo.black);
10620 /* Save the current game to the given file */
10622 SaveGameToFile(filename, append)
10629 if (strcmp(filename, "-") == 0) {
10630 return SaveGame(stdout, 0, NULL);
10632 f = fopen(filename, append ? "a" : "w");
10634 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10635 DisplayError(buf, errno);
10638 return SaveGame(f, 0, NULL);
10647 static char buf[MSG_SIZ];
10650 p = strchr(str, ' ');
10651 if (p == NULL) return str;
10652 strncpy(buf, str, p - str);
10653 buf[p - str] = NULLCHAR;
10657 #define PGN_MAX_LINE 75
10659 #define PGN_SIDE_WHITE 0
10660 #define PGN_SIDE_BLACK 1
10663 static int FindFirstMoveOutOfBook( int side )
10667 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
10668 int index = backwardMostMove;
10669 int has_book_hit = 0;
10671 if( (index % 2) != side ) {
10675 while( index < forwardMostMove ) {
10676 /* Check to see if engine is in book */
10677 int depth = pvInfoList[index].depth;
10678 int score = pvInfoList[index].score;
10684 else if( score == 0 && depth == 63 ) {
10685 in_book = 1; /* Zappa */
10687 else if( score == 2 && depth == 99 ) {
10688 in_book = 1; /* Abrok */
10691 has_book_hit += in_book;
10707 void GetOutOfBookInfo( char * buf )
10711 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10713 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
10714 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
10718 if( oob[0] >= 0 || oob[1] >= 0 ) {
10719 for( i=0; i<2; i++ ) {
10723 if( i > 0 && oob[0] >= 0 ) {
10724 strcat( buf, " " );
10727 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
10728 sprintf( buf+strlen(buf), "%s%.2f",
10729 pvInfoList[idx].score >= 0 ? "+" : "",
10730 pvInfoList[idx].score / 100.0 );
10736 /* Save game in PGN style and close the file */
10741 int i, offset, linelen, newblock;
10745 int movelen, numlen, blank;
10746 char move_buffer[100]; /* [AS] Buffer for move+PV info */
10748 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10750 tm = time((time_t *) NULL);
10752 PrintPGNTags(f, &gameInfo);
10754 if (backwardMostMove > 0 || startedFromSetupPosition) {
10755 char *fen = PositionToFEN(backwardMostMove, NULL);
10756 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
10757 fprintf(f, "\n{--------------\n");
10758 PrintPosition(f, backwardMostMove);
10759 fprintf(f, "--------------}\n");
10763 /* [AS] Out of book annotation */
10764 if( appData.saveOutOfBookInfo ) {
10767 GetOutOfBookInfo( buf );
10769 if( buf[0] != '\0' ) {
10770 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
10777 i = backwardMostMove;
10781 while (i < forwardMostMove) {
10782 /* Print comments preceding this move */
10783 if (commentList[i] != NULL) {
10784 if (linelen > 0) fprintf(f, "\n");
10785 fprintf(f, "%s", commentList[i]);
10790 /* Format move number */
10791 if ((i % 2) == 0) {
10792 sprintf(numtext, "%d.", (i - offset)/2 + 1);
10795 sprintf(numtext, "%d...", (i - offset)/2 + 1);
10797 numtext[0] = NULLCHAR;
10800 numlen = strlen(numtext);
10803 /* Print move number */
10804 blank = linelen > 0 && numlen > 0;
10805 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
10814 fprintf(f, "%s", numtext);
10818 strcpy(move_buffer, SavePart(parseList[i])); // [HGM] pgn: print move via buffer, so it can be edited
10819 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
10822 blank = linelen > 0 && movelen > 0;
10823 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10832 fprintf(f, "%s", move_buffer);
10833 linelen += movelen;
10835 /* [AS] Add PV info if present */
10836 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
10837 /* [HGM] add time */
10838 char buf[MSG_SIZ]; int seconds;
10840 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
10842 if( seconds <= 0) buf[0] = 0; else
10843 if( seconds < 30 ) sprintf(buf, " %3.1f%c", seconds/10., 0); else {
10844 seconds = (seconds + 4)/10; // round to full seconds
10845 if( seconds < 60 ) sprintf(buf, " %d%c", seconds, 0); else
10846 sprintf(buf, " %d:%02d%c", seconds/60, seconds%60, 0);
10849 sprintf( move_buffer, "{%s%.2f/%d%s}",
10850 pvInfoList[i].score >= 0 ? "+" : "",
10851 pvInfoList[i].score / 100.0,
10852 pvInfoList[i].depth,
10855 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
10857 /* Print score/depth */
10858 blank = linelen > 0 && movelen > 0;
10859 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10868 fprintf(f, "%s", move_buffer);
10869 linelen += movelen;
10875 /* Start a new line */
10876 if (linelen > 0) fprintf(f, "\n");
10878 /* Print comments after last move */
10879 if (commentList[i] != NULL) {
10880 fprintf(f, "%s\n", commentList[i]);
10884 if (gameInfo.resultDetails != NULL &&
10885 gameInfo.resultDetails[0] != NULLCHAR) {
10886 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
10887 PGNResult(gameInfo.result));
10889 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10893 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10897 /* Save game in old style and close the file */
10899 SaveGameOldStyle(f)
10905 tm = time((time_t *) NULL);
10907 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
10910 if (backwardMostMove > 0 || startedFromSetupPosition) {
10911 fprintf(f, "\n[--------------\n");
10912 PrintPosition(f, backwardMostMove);
10913 fprintf(f, "--------------]\n");
10918 i = backwardMostMove;
10919 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10921 while (i < forwardMostMove) {
10922 if (commentList[i] != NULL) {
10923 fprintf(f, "[%s]\n", commentList[i]);
10926 if ((i % 2) == 1) {
10927 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
10930 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
10932 if (commentList[i] != NULL) {
10936 if (i >= forwardMostMove) {
10940 fprintf(f, "%s\n", parseList[i]);
10945 if (commentList[i] != NULL) {
10946 fprintf(f, "[%s]\n", commentList[i]);
10949 /* This isn't really the old style, but it's close enough */
10950 if (gameInfo.resultDetails != NULL &&
10951 gameInfo.resultDetails[0] != NULLCHAR) {
10952 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
10953 gameInfo.resultDetails);
10955 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10962 /* Save the current game to open file f and close the file */
10964 SaveGame(f, dummy, dummy2)
10969 if (gameMode == EditPosition) EditPositionDone(TRUE);
10970 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10971 if (appData.oldSaveStyle)
10972 return SaveGameOldStyle(f);
10974 return SaveGamePGN(f);
10977 /* Save the current position to the given file */
10979 SavePositionToFile(filename)
10985 if (strcmp(filename, "-") == 0) {
10986 return SavePosition(stdout, 0, NULL);
10988 f = fopen(filename, "a");
10990 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10991 DisplayError(buf, errno);
10994 SavePosition(f, 0, NULL);
11000 /* Save the current position to the given open file and close the file */
11002 SavePosition(f, dummy, dummy2)
11010 if (gameMode == EditPosition) EditPositionDone(TRUE);
11011 if (appData.oldSaveStyle) {
11012 tm = time((time_t *) NULL);
11014 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
11016 fprintf(f, "[--------------\n");
11017 PrintPosition(f, currentMove);
11018 fprintf(f, "--------------]\n");
11020 fen = PositionToFEN(currentMove, NULL);
11021 fprintf(f, "%s\n", fen);
11029 ReloadCmailMsgEvent(unregister)
11033 static char *inFilename = NULL;
11034 static char *outFilename;
11036 struct stat inbuf, outbuf;
11039 /* Any registered moves are unregistered if unregister is set, */
11040 /* i.e. invoked by the signal handler */
11042 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11043 cmailMoveRegistered[i] = FALSE;
11044 if (cmailCommentList[i] != NULL) {
11045 free(cmailCommentList[i]);
11046 cmailCommentList[i] = NULL;
11049 nCmailMovesRegistered = 0;
11052 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11053 cmailResult[i] = CMAIL_NOT_RESULT;
11057 if (inFilename == NULL) {
11058 /* Because the filenames are static they only get malloced once */
11059 /* and they never get freed */
11060 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
11061 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
11063 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
11064 sprintf(outFilename, "%s.out", appData.cmailGameName);
11067 status = stat(outFilename, &outbuf);
11069 cmailMailedMove = FALSE;
11071 status = stat(inFilename, &inbuf);
11072 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
11075 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
11076 counts the games, notes how each one terminated, etc.
11078 It would be nice to remove this kludge and instead gather all
11079 the information while building the game list. (And to keep it
11080 in the game list nodes instead of having a bunch of fixed-size
11081 parallel arrays.) Note this will require getting each game's
11082 termination from the PGN tags, as the game list builder does
11083 not process the game moves. --mann
11085 cmailMsgLoaded = TRUE;
11086 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
11088 /* Load first game in the file or popup game menu */
11089 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
11091 #endif /* !WIN32 */
11099 char string[MSG_SIZ];
11101 if ( cmailMailedMove
11102 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
11103 return TRUE; /* Allow free viewing */
11106 /* Unregister move to ensure that we don't leave RegisterMove */
11107 /* with the move registered when the conditions for registering no */
11109 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11110 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11111 nCmailMovesRegistered --;
11113 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
11115 free(cmailCommentList[lastLoadGameNumber - 1]);
11116 cmailCommentList[lastLoadGameNumber - 1] = NULL;
11120 if (cmailOldMove == -1) {
11121 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
11125 if (currentMove > cmailOldMove + 1) {
11126 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
11130 if (currentMove < cmailOldMove) {
11131 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
11135 if (forwardMostMove > currentMove) {
11136 /* Silently truncate extra moves */
11140 if ( (currentMove == cmailOldMove + 1)
11141 || ( (currentMove == cmailOldMove)
11142 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
11143 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
11144 if (gameInfo.result != GameUnfinished) {
11145 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
11148 if (commentList[currentMove] != NULL) {
11149 cmailCommentList[lastLoadGameNumber - 1]
11150 = StrSave(commentList[currentMove]);
11152 strcpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1]);
11154 if (appData.debugMode)
11155 fprintf(debugFP, "Saving %s for game %d\n",
11156 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11159 "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
11161 f = fopen(string, "w");
11162 if (appData.oldSaveStyle) {
11163 SaveGameOldStyle(f); /* also closes the file */
11165 sprintf(string, "%s.pos.out", appData.cmailGameName);
11166 f = fopen(string, "w");
11167 SavePosition(f, 0, NULL); /* also closes the file */
11169 fprintf(f, "{--------------\n");
11170 PrintPosition(f, currentMove);
11171 fprintf(f, "--------------}\n\n");
11173 SaveGame(f, 0, NULL); /* also closes the file*/
11176 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
11177 nCmailMovesRegistered ++;
11178 } else if (nCmailGames == 1) {
11179 DisplayError(_("You have not made a move yet"), 0);
11190 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
11191 FILE *commandOutput;
11192 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
11193 int nBytes = 0; /* Suppress warnings on uninitialized variables */
11199 if (! cmailMsgLoaded) {
11200 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
11204 if (nCmailGames == nCmailResults) {
11205 DisplayError(_("No unfinished games"), 0);
11209 #if CMAIL_PROHIBIT_REMAIL
11210 if (cmailMailedMove) {
11211 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);
11212 DisplayError(msg, 0);
11217 if (! (cmailMailedMove || RegisterMove())) return;
11219 if ( cmailMailedMove
11220 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
11221 sprintf(string, partCommandString,
11222 appData.debugMode ? " -v" : "", appData.cmailGameName);
11223 commandOutput = popen(string, "r");
11225 if (commandOutput == NULL) {
11226 DisplayError(_("Failed to invoke cmail"), 0);
11228 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
11229 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
11231 if (nBuffers > 1) {
11232 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
11233 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
11234 nBytes = MSG_SIZ - 1;
11236 (void) memcpy(msg, buffer, nBytes);
11238 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
11240 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
11241 cmailMailedMove = TRUE; /* Prevent >1 moves */
11244 for (i = 0; i < nCmailGames; i ++) {
11245 if (cmailResult[i] == CMAIL_NOT_RESULT) {
11250 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
11252 sprintf(buffer, "%s/%s.%s.archive",
11254 appData.cmailGameName,
11256 LoadGameFromFile(buffer, 1, buffer, FALSE);
11257 cmailMsgLoaded = FALSE;
11261 DisplayInformation(msg);
11262 pclose(commandOutput);
11265 if ((*cmailMsg) != '\0') {
11266 DisplayInformation(cmailMsg);
11271 #endif /* !WIN32 */
11280 int prependComma = 0;
11282 char string[MSG_SIZ]; /* Space for game-list */
11285 if (!cmailMsgLoaded) return "";
11287 if (cmailMailedMove) {
11288 sprintf(cmailMsg, _("Waiting for reply from opponent\n"));
11290 /* Create a list of games left */
11291 sprintf(string, "[");
11292 for (i = 0; i < nCmailGames; i ++) {
11293 if (! ( cmailMoveRegistered[i]
11294 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
11295 if (prependComma) {
11296 sprintf(number, ",%d", i + 1);
11298 sprintf(number, "%d", i + 1);
11302 strcat(string, number);
11305 strcat(string, "]");
11307 if (nCmailMovesRegistered + nCmailResults == 0) {
11308 switch (nCmailGames) {
11311 _("Still need to make move for game\n"));
11316 _("Still need to make moves for both games\n"));
11321 _("Still need to make moves for all %d games\n"),
11326 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
11329 _("Still need to make a move for game %s\n"),
11334 if (nCmailResults == nCmailGames) {
11335 sprintf(cmailMsg, _("No unfinished games\n"));
11337 sprintf(cmailMsg, _("Ready to send mail\n"));
11343 _("Still need to make moves for games %s\n"),
11355 if (gameMode == Training)
11356 SetTrainingModeOff();
11359 cmailMsgLoaded = FALSE;
11360 if (appData.icsActive) {
11361 SendToICS(ics_prefix);
11362 SendToICS("refresh\n");
11372 /* Give up on clean exit */
11376 /* Keep trying for clean exit */
11380 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
11382 if (telnetISR != NULL) {
11383 RemoveInputSource(telnetISR);
11385 if (icsPR != NoProc) {
11386 DestroyChildProcess(icsPR, TRUE);
11389 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
11390 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
11392 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
11393 /* make sure this other one finishes before killing it! */
11394 if(endingGame) { int count = 0;
11395 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
11396 while(endingGame && count++ < 10) DoSleep(1);
11397 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
11400 /* Kill off chess programs */
11401 if (first.pr != NoProc) {
11404 DoSleep( appData.delayBeforeQuit );
11405 SendToProgram("quit\n", &first);
11406 DoSleep( appData.delayAfterQuit );
11407 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
11409 if (second.pr != NoProc) {
11410 DoSleep( appData.delayBeforeQuit );
11411 SendToProgram("quit\n", &second);
11412 DoSleep( appData.delayAfterQuit );
11413 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
11415 if (first.isr != NULL) {
11416 RemoveInputSource(first.isr);
11418 if (second.isr != NULL) {
11419 RemoveInputSource(second.isr);
11422 ShutDownFrontEnd();
11429 if (appData.debugMode)
11430 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
11434 if (gameMode == MachinePlaysWhite ||
11435 gameMode == MachinePlaysBlack) {
11438 DisplayBothClocks();
11440 if (gameMode == PlayFromGameFile) {
11441 if (appData.timeDelay >= 0)
11442 AutoPlayGameLoop();
11443 } else if (gameMode == IcsExamining && pauseExamInvalid) {
11444 Reset(FALSE, TRUE);
11445 SendToICS(ics_prefix);
11446 SendToICS("refresh\n");
11447 } else if (currentMove < forwardMostMove) {
11448 ForwardInner(forwardMostMove);
11450 pauseExamInvalid = FALSE;
11452 switch (gameMode) {
11456 pauseExamForwardMostMove = forwardMostMove;
11457 pauseExamInvalid = FALSE;
11460 case IcsPlayingWhite:
11461 case IcsPlayingBlack:
11465 case PlayFromGameFile:
11466 (void) StopLoadGameTimer();
11470 case BeginningOfGame:
11471 if (appData.icsActive) return;
11472 /* else fall through */
11473 case MachinePlaysWhite:
11474 case MachinePlaysBlack:
11475 case TwoMachinesPlay:
11476 if (forwardMostMove == 0)
11477 return; /* don't pause if no one has moved */
11478 if ((gameMode == MachinePlaysWhite &&
11479 !WhiteOnMove(forwardMostMove)) ||
11480 (gameMode == MachinePlaysBlack &&
11481 WhiteOnMove(forwardMostMove))) {
11494 char title[MSG_SIZ];
11496 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
11497 strcpy(title, _("Edit comment"));
11499 sprintf(title, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
11500 WhiteOnMove(currentMove - 1) ? " " : ".. ",
11501 parseList[currentMove - 1]);
11504 EditCommentPopUp(currentMove, title, commentList[currentMove]);
11511 char *tags = PGNTags(&gameInfo);
11512 EditTagsPopUp(tags);
11519 if (appData.noChessProgram || gameMode == AnalyzeMode)
11522 if (gameMode != AnalyzeFile) {
11523 if (!appData.icsEngineAnalyze) {
11525 if (gameMode != EditGame) return;
11527 ResurrectChessProgram();
11528 SendToProgram("analyze\n", &first);
11529 first.analyzing = TRUE;
11530 /*first.maybeThinking = TRUE;*/
11531 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11532 EngineOutputPopUp();
11534 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
11539 StartAnalysisClock();
11540 GetTimeMark(&lastNodeCountTime);
11547 if (appData.noChessProgram || gameMode == AnalyzeFile)
11550 if (gameMode != AnalyzeMode) {
11552 if (gameMode != EditGame) return;
11553 ResurrectChessProgram();
11554 SendToProgram("analyze\n", &first);
11555 first.analyzing = TRUE;
11556 /*first.maybeThinking = TRUE;*/
11557 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11558 EngineOutputPopUp();
11560 gameMode = AnalyzeFile;
11565 StartAnalysisClock();
11566 GetTimeMark(&lastNodeCountTime);
11571 MachineWhiteEvent()
11574 char *bookHit = NULL;
11576 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
11580 if (gameMode == PlayFromGameFile ||
11581 gameMode == TwoMachinesPlay ||
11582 gameMode == Training ||
11583 gameMode == AnalyzeMode ||
11584 gameMode == EndOfGame)
11587 if (gameMode == EditPosition)
11588 EditPositionDone(TRUE);
11590 if (!WhiteOnMove(currentMove)) {
11591 DisplayError(_("It is not White's turn"), 0);
11595 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11598 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11599 gameMode == AnalyzeFile)
11602 ResurrectChessProgram(); /* in case it isn't running */
11603 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
11604 gameMode = MachinePlaysWhite;
11607 gameMode = MachinePlaysWhite;
11611 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11613 if (first.sendName) {
11614 sprintf(buf, "name %s\n", gameInfo.black);
11615 SendToProgram(buf, &first);
11617 if (first.sendTime) {
11618 if (first.useColors) {
11619 SendToProgram("black\n", &first); /*gnu kludge*/
11621 SendTimeRemaining(&first, TRUE);
11623 if (first.useColors) {
11624 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
11626 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11627 SetMachineThinkingEnables();
11628 first.maybeThinking = TRUE;
11632 if (appData.autoFlipView && !flipView) {
11633 flipView = !flipView;
11634 DrawPosition(FALSE, NULL);
11635 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11638 if(bookHit) { // [HGM] book: simulate book reply
11639 static char bookMove[MSG_SIZ]; // a bit generous?
11641 programStats.nodes = programStats.depth = programStats.time =
11642 programStats.score = programStats.got_only_move = 0;
11643 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11645 strcpy(bookMove, "move ");
11646 strcat(bookMove, bookHit);
11647 HandleMachineMove(bookMove, &first);
11652 MachineBlackEvent()
11655 char *bookHit = NULL;
11657 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
11661 if (gameMode == PlayFromGameFile ||
11662 gameMode == TwoMachinesPlay ||
11663 gameMode == Training ||
11664 gameMode == AnalyzeMode ||
11665 gameMode == EndOfGame)
11668 if (gameMode == EditPosition)
11669 EditPositionDone(TRUE);
11671 if (WhiteOnMove(currentMove)) {
11672 DisplayError(_("It is not Black's turn"), 0);
11676 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11679 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11680 gameMode == AnalyzeFile)
11683 ResurrectChessProgram(); /* in case it isn't running */
11684 gameMode = MachinePlaysBlack;
11688 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11690 if (first.sendName) {
11691 sprintf(buf, "name %s\n", gameInfo.white);
11692 SendToProgram(buf, &first);
11694 if (first.sendTime) {
11695 if (first.useColors) {
11696 SendToProgram("white\n", &first); /*gnu kludge*/
11698 SendTimeRemaining(&first, FALSE);
11700 if (first.useColors) {
11701 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
11703 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11704 SetMachineThinkingEnables();
11705 first.maybeThinking = TRUE;
11708 if (appData.autoFlipView && flipView) {
11709 flipView = !flipView;
11710 DrawPosition(FALSE, NULL);
11711 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11713 if(bookHit) { // [HGM] book: simulate book reply
11714 static char bookMove[MSG_SIZ]; // a bit generous?
11716 programStats.nodes = programStats.depth = programStats.time =
11717 programStats.score = programStats.got_only_move = 0;
11718 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11720 strcpy(bookMove, "move ");
11721 strcat(bookMove, bookHit);
11722 HandleMachineMove(bookMove, &first);
11728 DisplayTwoMachinesTitle()
11731 if (appData.matchGames > 0) {
11732 if (first.twoMachinesColor[0] == 'w') {
11733 sprintf(buf, "%s vs. %s (%d-%d-%d)",
11734 gameInfo.white, gameInfo.black,
11735 first.matchWins, second.matchWins,
11736 matchGame - 1 - (first.matchWins + second.matchWins));
11738 sprintf(buf, "%s vs. %s (%d-%d-%d)",
11739 gameInfo.white, gameInfo.black,
11740 second.matchWins, first.matchWins,
11741 matchGame - 1 - (first.matchWins + second.matchWins));
11744 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11750 TwoMachinesEvent P((void))
11754 ChessProgramState *onmove;
11755 char *bookHit = NULL;
11757 if (appData.noChessProgram) return;
11759 switch (gameMode) {
11760 case TwoMachinesPlay:
11762 case MachinePlaysWhite:
11763 case MachinePlaysBlack:
11764 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11765 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11769 case BeginningOfGame:
11770 case PlayFromGameFile:
11773 if (gameMode != EditGame) return;
11776 EditPositionDone(TRUE);
11787 // forwardMostMove = currentMove;
11788 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
11789 ResurrectChessProgram(); /* in case first program isn't running */
11791 if (second.pr == NULL) {
11792 StartChessProgram(&second);
11793 if (second.protocolVersion == 1) {
11794 TwoMachinesEventIfReady();
11796 /* kludge: allow timeout for initial "feature" command */
11798 DisplayMessage("", _("Starting second chess program"));
11799 ScheduleDelayedEvent(TwoMachinesEventIfReady, FEATURE_TIMEOUT);
11803 DisplayMessage("", "");
11804 InitChessProgram(&second, FALSE);
11805 SendToProgram("force\n", &second);
11806 if (startedFromSetupPosition) {
11807 SendBoard(&second, backwardMostMove);
11808 if (appData.debugMode) {
11809 fprintf(debugFP, "Two Machines\n");
11812 for (i = backwardMostMove; i < forwardMostMove; i++) {
11813 SendMoveToProgram(i, &second);
11816 gameMode = TwoMachinesPlay;
11820 DisplayTwoMachinesTitle();
11822 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
11828 SendToProgram(first.computerString, &first);
11829 if (first.sendName) {
11830 sprintf(buf, "name %s\n", second.tidy);
11831 SendToProgram(buf, &first);
11833 SendToProgram(second.computerString, &second);
11834 if (second.sendName) {
11835 sprintf(buf, "name %s\n", first.tidy);
11836 SendToProgram(buf, &second);
11840 if (!first.sendTime || !second.sendTime) {
11841 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11842 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11844 if (onmove->sendTime) {
11845 if (onmove->useColors) {
11846 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
11848 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
11850 if (onmove->useColors) {
11851 SendToProgram(onmove->twoMachinesColor, onmove);
11853 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
11854 // SendToProgram("go\n", onmove);
11855 onmove->maybeThinking = TRUE;
11856 SetMachineThinkingEnables();
11860 if(bookHit) { // [HGM] book: simulate book reply
11861 static char bookMove[MSG_SIZ]; // a bit generous?
11863 programStats.nodes = programStats.depth = programStats.time =
11864 programStats.score = programStats.got_only_move = 0;
11865 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11867 strcpy(bookMove, "move ");
11868 strcat(bookMove, bookHit);
11869 savedMessage = bookMove; // args for deferred call
11870 savedState = onmove;
11871 ScheduleDelayedEvent(DeferredBookMove, 1);
11878 if (gameMode == Training) {
11879 SetTrainingModeOff();
11880 gameMode = PlayFromGameFile;
11881 DisplayMessage("", _("Training mode off"));
11883 gameMode = Training;
11884 animateTraining = appData.animate;
11886 /* make sure we are not already at the end of the game */
11887 if (currentMove < forwardMostMove) {
11888 SetTrainingModeOn();
11889 DisplayMessage("", _("Training mode on"));
11891 gameMode = PlayFromGameFile;
11892 DisplayError(_("Already at end of game"), 0);
11901 if (!appData.icsActive) return;
11902 switch (gameMode) {
11903 case IcsPlayingWhite:
11904 case IcsPlayingBlack:
11907 case BeginningOfGame:
11915 EditPositionDone(TRUE);
11928 gameMode = IcsIdle;
11939 switch (gameMode) {
11941 SetTrainingModeOff();
11943 case MachinePlaysWhite:
11944 case MachinePlaysBlack:
11945 case BeginningOfGame:
11946 SendToProgram("force\n", &first);
11947 SetUserThinkingEnables();
11949 case PlayFromGameFile:
11950 (void) StopLoadGameTimer();
11951 if (gameFileFP != NULL) {
11956 EditPositionDone(TRUE);
11961 SendToProgram("force\n", &first);
11963 case TwoMachinesPlay:
11964 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
11965 ResurrectChessProgram();
11966 SetUserThinkingEnables();
11969 ResurrectChessProgram();
11971 case IcsPlayingBlack:
11972 case IcsPlayingWhite:
11973 DisplayError(_("Warning: You are still playing a game"), 0);
11976 DisplayError(_("Warning: You are still observing a game"), 0);
11979 DisplayError(_("Warning: You are still examining a game"), 0);
11990 first.offeredDraw = second.offeredDraw = 0;
11992 if (gameMode == PlayFromGameFile) {
11993 whiteTimeRemaining = timeRemaining[0][currentMove];
11994 blackTimeRemaining = timeRemaining[1][currentMove];
11998 if (gameMode == MachinePlaysWhite ||
11999 gameMode == MachinePlaysBlack ||
12000 gameMode == TwoMachinesPlay ||
12001 gameMode == EndOfGame) {
12002 i = forwardMostMove;
12003 while (i > currentMove) {
12004 SendToProgram("undo\n", &first);
12007 whiteTimeRemaining = timeRemaining[0][currentMove];
12008 blackTimeRemaining = timeRemaining[1][currentMove];
12009 DisplayBothClocks();
12010 if (whiteFlag || blackFlag) {
12011 whiteFlag = blackFlag = 0;
12016 gameMode = EditGame;
12023 EditPositionEvent()
12025 if (gameMode == EditPosition) {
12031 if (gameMode != EditGame) return;
12033 gameMode = EditPosition;
12036 if (currentMove > 0)
12037 CopyBoard(boards[0], boards[currentMove]);
12039 blackPlaysFirst = !WhiteOnMove(currentMove);
12041 currentMove = forwardMostMove = backwardMostMove = 0;
12042 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12049 /* [DM] icsEngineAnalyze - possible call from other functions */
12050 if (appData.icsEngineAnalyze) {
12051 appData.icsEngineAnalyze = FALSE;
12053 DisplayMessage("",_("Close ICS engine analyze..."));
12055 if (first.analysisSupport && first.analyzing) {
12056 SendToProgram("exit\n", &first);
12057 first.analyzing = FALSE;
12059 thinkOutput[0] = NULLCHAR;
12063 EditPositionDone(Boolean fakeRights)
12065 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
12067 startedFromSetupPosition = TRUE;
12068 InitChessProgram(&first, FALSE);
12069 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
12070 boards[0][EP_STATUS] = EP_NONE;
12071 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
12072 if(boards[0][0][BOARD_WIDTH>>1] == king) {
12073 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
12074 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
12075 } else boards[0][CASTLING][2] = NoRights;
12076 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
12077 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
12078 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
12079 } else boards[0][CASTLING][5] = NoRights;
12081 SendToProgram("force\n", &first);
12082 if (blackPlaysFirst) {
12083 strcpy(moveList[0], "");
12084 strcpy(parseList[0], "");
12085 currentMove = forwardMostMove = backwardMostMove = 1;
12086 CopyBoard(boards[1], boards[0]);
12088 currentMove = forwardMostMove = backwardMostMove = 0;
12090 SendBoard(&first, forwardMostMove);
12091 if (appData.debugMode) {
12092 fprintf(debugFP, "EditPosDone\n");
12095 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12096 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12097 gameMode = EditGame;
12099 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12100 ClearHighlights(); /* [AS] */
12103 /* Pause for `ms' milliseconds */
12104 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12114 } while (SubtractTimeMarks(&m2, &m1) < ms);
12117 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12119 SendMultiLineToICS(buf)
12122 char temp[MSG_SIZ+1], *p;
12129 strncpy(temp, buf, len);
12134 if (*p == '\n' || *p == '\r')
12139 strcat(temp, "\n");
12141 SendToPlayer(temp, strlen(temp));
12145 SetWhiteToPlayEvent()
12147 if (gameMode == EditPosition) {
12148 blackPlaysFirst = FALSE;
12149 DisplayBothClocks(); /* works because currentMove is 0 */
12150 } else if (gameMode == IcsExamining) {
12151 SendToICS(ics_prefix);
12152 SendToICS("tomove white\n");
12157 SetBlackToPlayEvent()
12159 if (gameMode == EditPosition) {
12160 blackPlaysFirst = TRUE;
12161 currentMove = 1; /* kludge */
12162 DisplayBothClocks();
12164 } else if (gameMode == IcsExamining) {
12165 SendToICS(ics_prefix);
12166 SendToICS("tomove black\n");
12171 EditPositionMenuEvent(selection, x, y)
12172 ChessSquare selection;
12176 ChessSquare piece = boards[0][y][x];
12178 if (gameMode != EditPosition && gameMode != IcsExamining) return;
12180 switch (selection) {
12182 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
12183 SendToICS(ics_prefix);
12184 SendToICS("bsetup clear\n");
12185 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
12186 SendToICS(ics_prefix);
12187 SendToICS("clearboard\n");
12189 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
12190 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
12191 for (y = 0; y < BOARD_HEIGHT; y++) {
12192 if (gameMode == IcsExamining) {
12193 if (boards[currentMove][y][x] != EmptySquare) {
12194 sprintf(buf, "%sx@%c%c\n", ics_prefix,
12199 boards[0][y][x] = p;
12204 if (gameMode == EditPosition) {
12205 DrawPosition(FALSE, boards[0]);
12210 SetWhiteToPlayEvent();
12214 SetBlackToPlayEvent();
12218 if (gameMode == IcsExamining) {
12219 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12220 sprintf(buf, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
12223 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12224 if(x == BOARD_LEFT-2) {
12225 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
12226 boards[0][y][1] = 0;
12228 if(x == BOARD_RGHT+1) {
12229 if(y >= gameInfo.holdingsSize) break;
12230 boards[0][y][BOARD_WIDTH-2] = 0;
12233 boards[0][y][x] = EmptySquare;
12234 DrawPosition(FALSE, boards[0]);
12239 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
12240 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
12241 selection = (ChessSquare) (PROMOTED piece);
12242 } else if(piece == EmptySquare) selection = WhiteSilver;
12243 else selection = (ChessSquare)((int)piece - 1);
12247 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
12248 piece > (int)BlackMan && piece <= (int)BlackKing ) {
12249 selection = (ChessSquare) (DEMOTED piece);
12250 } else if(piece == EmptySquare) selection = BlackSilver;
12251 else selection = (ChessSquare)((int)piece + 1);
12256 if(gameInfo.variant == VariantShatranj ||
12257 gameInfo.variant == VariantXiangqi ||
12258 gameInfo.variant == VariantCourier ||
12259 gameInfo.variant == VariantMakruk )
12260 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
12265 if(gameInfo.variant == VariantXiangqi)
12266 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
12267 if(gameInfo.variant == VariantKnightmate)
12268 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
12271 if (gameMode == IcsExamining) {
12272 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12273 sprintf(buf, "%s%c@%c%c\n", ics_prefix,
12274 PieceToChar(selection), AAA + x, ONE + y);
12277 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12279 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
12280 n = PieceToNumber(selection - BlackPawn);
12281 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
12282 boards[0][BOARD_HEIGHT-1-n][0] = selection;
12283 boards[0][BOARD_HEIGHT-1-n][1]++;
12285 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
12286 n = PieceToNumber(selection);
12287 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
12288 boards[0][n][BOARD_WIDTH-1] = selection;
12289 boards[0][n][BOARD_WIDTH-2]++;
12292 boards[0][y][x] = selection;
12293 DrawPosition(TRUE, boards[0]);
12301 DropMenuEvent(selection, x, y)
12302 ChessSquare selection;
12305 ChessMove moveType;
12307 switch (gameMode) {
12308 case IcsPlayingWhite:
12309 case MachinePlaysBlack:
12310 if (!WhiteOnMove(currentMove)) {
12311 DisplayMoveError(_("It is Black's turn"));
12314 moveType = WhiteDrop;
12316 case IcsPlayingBlack:
12317 case MachinePlaysWhite:
12318 if (WhiteOnMove(currentMove)) {
12319 DisplayMoveError(_("It is White's turn"));
12322 moveType = BlackDrop;
12325 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
12331 if (moveType == BlackDrop && selection < BlackPawn) {
12332 selection = (ChessSquare) ((int) selection
12333 + (int) BlackPawn - (int) WhitePawn);
12335 if (boards[currentMove][y][x] != EmptySquare) {
12336 DisplayMoveError(_("That square is occupied"));
12340 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
12346 /* Accept a pending offer of any kind from opponent */
12348 if (appData.icsActive) {
12349 SendToICS(ics_prefix);
12350 SendToICS("accept\n");
12351 } else if (cmailMsgLoaded) {
12352 if (currentMove == cmailOldMove &&
12353 commentList[cmailOldMove] != NULL &&
12354 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12355 "Black offers a draw" : "White offers a draw")) {
12357 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12358 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12360 DisplayError(_("There is no pending offer on this move"), 0);
12361 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12364 /* Not used for offers from chess program */
12371 /* Decline a pending offer of any kind from opponent */
12373 if (appData.icsActive) {
12374 SendToICS(ics_prefix);
12375 SendToICS("decline\n");
12376 } else if (cmailMsgLoaded) {
12377 if (currentMove == cmailOldMove &&
12378 commentList[cmailOldMove] != NULL &&
12379 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12380 "Black offers a draw" : "White offers a draw")) {
12382 AppendComment(cmailOldMove, "Draw declined", TRUE);
12383 DisplayComment(cmailOldMove - 1, "Draw declined");
12386 DisplayError(_("There is no pending offer on this move"), 0);
12389 /* Not used for offers from chess program */
12396 /* Issue ICS rematch command */
12397 if (appData.icsActive) {
12398 SendToICS(ics_prefix);
12399 SendToICS("rematch\n");
12406 /* Call your opponent's flag (claim a win on time) */
12407 if (appData.icsActive) {
12408 SendToICS(ics_prefix);
12409 SendToICS("flag\n");
12411 switch (gameMode) {
12414 case MachinePlaysWhite:
12417 GameEnds(GameIsDrawn, "Both players ran out of time",
12420 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
12422 DisplayError(_("Your opponent is not out of time"), 0);
12425 case MachinePlaysBlack:
12428 GameEnds(GameIsDrawn, "Both players ran out of time",
12431 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
12433 DisplayError(_("Your opponent is not out of time"), 0);
12443 /* Offer draw or accept pending draw offer from opponent */
12445 if (appData.icsActive) {
12446 /* Note: tournament rules require draw offers to be
12447 made after you make your move but before you punch
12448 your clock. Currently ICS doesn't let you do that;
12449 instead, you immediately punch your clock after making
12450 a move, but you can offer a draw at any time. */
12452 SendToICS(ics_prefix);
12453 SendToICS("draw\n");
12454 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
12455 } else if (cmailMsgLoaded) {
12456 if (currentMove == cmailOldMove &&
12457 commentList[cmailOldMove] != NULL &&
12458 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12459 "Black offers a draw" : "White offers a draw")) {
12460 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12461 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12462 } else if (currentMove == cmailOldMove + 1) {
12463 char *offer = WhiteOnMove(cmailOldMove) ?
12464 "White offers a draw" : "Black offers a draw";
12465 AppendComment(currentMove, offer, TRUE);
12466 DisplayComment(currentMove - 1, offer);
12467 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
12469 DisplayError(_("You must make your move before offering a draw"), 0);
12470 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12472 } else if (first.offeredDraw) {
12473 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
12475 if (first.sendDrawOffers) {
12476 SendToProgram("draw\n", &first);
12477 userOfferedDraw = TRUE;
12485 /* Offer Adjourn or accept pending Adjourn offer from opponent */
12487 if (appData.icsActive) {
12488 SendToICS(ics_prefix);
12489 SendToICS("adjourn\n");
12491 /* Currently GNU Chess doesn't offer or accept Adjourns */
12499 /* Offer Abort or accept pending Abort offer from opponent */
12501 if (appData.icsActive) {
12502 SendToICS(ics_prefix);
12503 SendToICS("abort\n");
12505 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
12512 /* Resign. You can do this even if it's not your turn. */
12514 if (appData.icsActive) {
12515 SendToICS(ics_prefix);
12516 SendToICS("resign\n");
12518 switch (gameMode) {
12519 case MachinePlaysWhite:
12520 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12522 case MachinePlaysBlack:
12523 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12526 if (cmailMsgLoaded) {
12528 if (WhiteOnMove(cmailOldMove)) {
12529 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12531 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12533 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
12544 StopObservingEvent()
12546 /* Stop observing current games */
12547 SendToICS(ics_prefix);
12548 SendToICS("unobserve\n");
12552 StopExaminingEvent()
12554 /* Stop observing current game */
12555 SendToICS(ics_prefix);
12556 SendToICS("unexamine\n");
12560 ForwardInner(target)
12565 if (appData.debugMode)
12566 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
12567 target, currentMove, forwardMostMove);
12569 if (gameMode == EditPosition)
12572 if (gameMode == PlayFromGameFile && !pausing)
12575 if (gameMode == IcsExamining && pausing)
12576 limit = pauseExamForwardMostMove;
12578 limit = forwardMostMove;
12580 if (target > limit) target = limit;
12582 if (target > 0 && moveList[target - 1][0]) {
12583 int fromX, fromY, toX, toY;
12584 toX = moveList[target - 1][2] - AAA;
12585 toY = moveList[target - 1][3] - ONE;
12586 if (moveList[target - 1][1] == '@') {
12587 if (appData.highlightLastMove) {
12588 SetHighlights(-1, -1, toX, toY);
12591 fromX = moveList[target - 1][0] - AAA;
12592 fromY = moveList[target - 1][1] - ONE;
12593 if (target == currentMove + 1) {
12594 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12596 if (appData.highlightLastMove) {
12597 SetHighlights(fromX, fromY, toX, toY);
12601 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12602 gameMode == Training || gameMode == PlayFromGameFile ||
12603 gameMode == AnalyzeFile) {
12604 while (currentMove < target) {
12605 SendMoveToProgram(currentMove++, &first);
12608 currentMove = target;
12611 if (gameMode == EditGame || gameMode == EndOfGame) {
12612 whiteTimeRemaining = timeRemaining[0][currentMove];
12613 blackTimeRemaining = timeRemaining[1][currentMove];
12615 DisplayBothClocks();
12616 DisplayMove(currentMove - 1);
12617 DrawPosition(FALSE, boards[currentMove]);
12618 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12619 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
12620 DisplayComment(currentMove - 1, commentList[currentMove]);
12628 if (gameMode == IcsExamining && !pausing) {
12629 SendToICS(ics_prefix);
12630 SendToICS("forward\n");
12632 ForwardInner(currentMove + 1);
12639 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12640 /* to optimze, we temporarily turn off analysis mode while we feed
12641 * the remaining moves to the engine. Otherwise we get analysis output
12644 if (first.analysisSupport) {
12645 SendToProgram("exit\nforce\n", &first);
12646 first.analyzing = FALSE;
12650 if (gameMode == IcsExamining && !pausing) {
12651 SendToICS(ics_prefix);
12652 SendToICS("forward 999999\n");
12654 ForwardInner(forwardMostMove);
12657 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12658 /* we have fed all the moves, so reactivate analysis mode */
12659 SendToProgram("analyze\n", &first);
12660 first.analyzing = TRUE;
12661 /*first.maybeThinking = TRUE;*/
12662 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12667 BackwardInner(target)
12670 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
12672 if (appData.debugMode)
12673 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
12674 target, currentMove, forwardMostMove);
12676 if (gameMode == EditPosition) return;
12677 if (currentMove <= backwardMostMove) {
12679 DrawPosition(full_redraw, boards[currentMove]);
12682 if (gameMode == PlayFromGameFile && !pausing)
12685 if (moveList[target][0]) {
12686 int fromX, fromY, toX, toY;
12687 toX = moveList[target][2] - AAA;
12688 toY = moveList[target][3] - ONE;
12689 if (moveList[target][1] == '@') {
12690 if (appData.highlightLastMove) {
12691 SetHighlights(-1, -1, toX, toY);
12694 fromX = moveList[target][0] - AAA;
12695 fromY = moveList[target][1] - ONE;
12696 if (target == currentMove - 1) {
12697 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
12699 if (appData.highlightLastMove) {
12700 SetHighlights(fromX, fromY, toX, toY);
12704 if (gameMode == EditGame || gameMode==AnalyzeMode ||
12705 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
12706 while (currentMove > target) {
12707 SendToProgram("undo\n", &first);
12711 currentMove = target;
12714 if (gameMode == EditGame || gameMode == EndOfGame) {
12715 whiteTimeRemaining = timeRemaining[0][currentMove];
12716 blackTimeRemaining = timeRemaining[1][currentMove];
12718 DisplayBothClocks();
12719 DisplayMove(currentMove - 1);
12720 DrawPosition(full_redraw, boards[currentMove]);
12721 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12722 // [HGM] PV info: routine tests if comment empty
12723 DisplayComment(currentMove - 1, commentList[currentMove]);
12729 if (gameMode == IcsExamining && !pausing) {
12730 SendToICS(ics_prefix);
12731 SendToICS("backward\n");
12733 BackwardInner(currentMove - 1);
12740 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12741 /* to optimize, we temporarily turn off analysis mode while we undo
12742 * all the moves. Otherwise we get analysis output after each undo.
12744 if (first.analysisSupport) {
12745 SendToProgram("exit\nforce\n", &first);
12746 first.analyzing = FALSE;
12750 if (gameMode == IcsExamining && !pausing) {
12751 SendToICS(ics_prefix);
12752 SendToICS("backward 999999\n");
12754 BackwardInner(backwardMostMove);
12757 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12758 /* we have fed all the moves, so reactivate analysis mode */
12759 SendToProgram("analyze\n", &first);
12760 first.analyzing = TRUE;
12761 /*first.maybeThinking = TRUE;*/
12762 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12769 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
12770 if (to >= forwardMostMove) to = forwardMostMove;
12771 if (to <= backwardMostMove) to = backwardMostMove;
12772 if (to < currentMove) {
12780 RevertEvent(Boolean annotate)
12782 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
12785 if (gameMode != IcsExamining) {
12786 DisplayError(_("You are not examining a game"), 0);
12790 DisplayError(_("You can't revert while pausing"), 0);
12793 SendToICS(ics_prefix);
12794 SendToICS("revert\n");
12800 switch (gameMode) {
12801 case MachinePlaysWhite:
12802 case MachinePlaysBlack:
12803 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12804 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12807 if (forwardMostMove < 2) return;
12808 currentMove = forwardMostMove = forwardMostMove - 2;
12809 whiteTimeRemaining = timeRemaining[0][currentMove];
12810 blackTimeRemaining = timeRemaining[1][currentMove];
12811 DisplayBothClocks();
12812 DisplayMove(currentMove - 1);
12813 ClearHighlights();/*!! could figure this out*/
12814 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
12815 SendToProgram("remove\n", &first);
12816 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
12819 case BeginningOfGame:
12823 case IcsPlayingWhite:
12824 case IcsPlayingBlack:
12825 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
12826 SendToICS(ics_prefix);
12827 SendToICS("takeback 2\n");
12829 SendToICS(ics_prefix);
12830 SendToICS("takeback 1\n");
12839 ChessProgramState *cps;
12841 switch (gameMode) {
12842 case MachinePlaysWhite:
12843 if (!WhiteOnMove(forwardMostMove)) {
12844 DisplayError(_("It is your turn"), 0);
12849 case MachinePlaysBlack:
12850 if (WhiteOnMove(forwardMostMove)) {
12851 DisplayError(_("It is your turn"), 0);
12856 case TwoMachinesPlay:
12857 if (WhiteOnMove(forwardMostMove) ==
12858 (first.twoMachinesColor[0] == 'w')) {
12864 case BeginningOfGame:
12868 SendToProgram("?\n", cps);
12872 TruncateGameEvent()
12875 if (gameMode != EditGame) return;
12882 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
12883 if (forwardMostMove > currentMove) {
12884 if (gameInfo.resultDetails != NULL) {
12885 free(gameInfo.resultDetails);
12886 gameInfo.resultDetails = NULL;
12887 gameInfo.result = GameUnfinished;
12889 forwardMostMove = currentMove;
12890 HistorySet(parseList, backwardMostMove, forwardMostMove,
12898 if (appData.noChessProgram) return;
12899 switch (gameMode) {
12900 case MachinePlaysWhite:
12901 if (WhiteOnMove(forwardMostMove)) {
12902 DisplayError(_("Wait until your turn"), 0);
12906 case BeginningOfGame:
12907 case MachinePlaysBlack:
12908 if (!WhiteOnMove(forwardMostMove)) {
12909 DisplayError(_("Wait until your turn"), 0);
12914 DisplayError(_("No hint available"), 0);
12917 SendToProgram("hint\n", &first);
12918 hintRequested = TRUE;
12924 if (appData.noChessProgram) return;
12925 switch (gameMode) {
12926 case MachinePlaysWhite:
12927 if (WhiteOnMove(forwardMostMove)) {
12928 DisplayError(_("Wait until your turn"), 0);
12932 case BeginningOfGame:
12933 case MachinePlaysBlack:
12934 if (!WhiteOnMove(forwardMostMove)) {
12935 DisplayError(_("Wait until your turn"), 0);
12940 EditPositionDone(TRUE);
12942 case TwoMachinesPlay:
12947 SendToProgram("bk\n", &first);
12948 bookOutput[0] = NULLCHAR;
12949 bookRequested = TRUE;
12955 char *tags = PGNTags(&gameInfo);
12956 TagsPopUp(tags, CmailMsg());
12960 /* end button procedures */
12963 PrintPosition(fp, move)
12969 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12970 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
12971 char c = PieceToChar(boards[move][i][j]);
12972 fputc(c == 'x' ? '.' : c, fp);
12973 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
12976 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
12977 fprintf(fp, "white to play\n");
12979 fprintf(fp, "black to play\n");
12986 if (gameInfo.white != NULL) {
12987 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
12993 /* Find last component of program's own name, using some heuristics */
12995 TidyProgramName(prog, host, buf)
12996 char *prog, *host, buf[MSG_SIZ];
12999 int local = (strcmp(host, "localhost") == 0);
13000 while (!local && (p = strchr(prog, ';')) != NULL) {
13002 while (*p == ' ') p++;
13005 if (*prog == '"' || *prog == '\'') {
13006 q = strchr(prog + 1, *prog);
13008 q = strchr(prog, ' ');
13010 if (q == NULL) q = prog + strlen(prog);
13012 while (p >= prog && *p != '/' && *p != '\\') p--;
13014 if(p == prog && *p == '"') p++;
13015 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
13016 memcpy(buf, p, q - p);
13017 buf[q - p] = NULLCHAR;
13025 TimeControlTagValue()
13028 if (!appData.clockMode) {
13030 } else if (movesPerSession > 0) {
13031 sprintf(buf, "%d/%ld", movesPerSession, timeControl/1000);
13032 } else if (timeIncrement == 0) {
13033 sprintf(buf, "%ld", timeControl/1000);
13035 sprintf(buf, "%ld+%ld", timeControl/1000, timeIncrement/1000);
13037 return StrSave(buf);
13043 /* This routine is used only for certain modes */
13044 VariantClass v = gameInfo.variant;
13045 ChessMove r = GameUnfinished;
13048 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
13049 r = gameInfo.result;
13050 p = gameInfo.resultDetails;
13051 gameInfo.resultDetails = NULL;
13053 ClearGameInfo(&gameInfo);
13054 gameInfo.variant = v;
13056 switch (gameMode) {
13057 case MachinePlaysWhite:
13058 gameInfo.event = StrSave( appData.pgnEventHeader );
13059 gameInfo.site = StrSave(HostName());
13060 gameInfo.date = PGNDate();
13061 gameInfo.round = StrSave("-");
13062 gameInfo.white = StrSave(first.tidy);
13063 gameInfo.black = StrSave(UserName());
13064 gameInfo.timeControl = TimeControlTagValue();
13067 case MachinePlaysBlack:
13068 gameInfo.event = StrSave( appData.pgnEventHeader );
13069 gameInfo.site = StrSave(HostName());
13070 gameInfo.date = PGNDate();
13071 gameInfo.round = StrSave("-");
13072 gameInfo.white = StrSave(UserName());
13073 gameInfo.black = StrSave(first.tidy);
13074 gameInfo.timeControl = TimeControlTagValue();
13077 case TwoMachinesPlay:
13078 gameInfo.event = StrSave( appData.pgnEventHeader );
13079 gameInfo.site = StrSave(HostName());
13080 gameInfo.date = PGNDate();
13081 if (matchGame > 0) {
13083 sprintf(buf, "%d", matchGame);
13084 gameInfo.round = StrSave(buf);
13086 gameInfo.round = StrSave("-");
13088 if (first.twoMachinesColor[0] == 'w') {
13089 gameInfo.white = StrSave(first.tidy);
13090 gameInfo.black = StrSave(second.tidy);
13092 gameInfo.white = StrSave(second.tidy);
13093 gameInfo.black = StrSave(first.tidy);
13095 gameInfo.timeControl = TimeControlTagValue();
13099 gameInfo.event = StrSave("Edited game");
13100 gameInfo.site = StrSave(HostName());
13101 gameInfo.date = PGNDate();
13102 gameInfo.round = StrSave("-");
13103 gameInfo.white = StrSave("-");
13104 gameInfo.black = StrSave("-");
13105 gameInfo.result = r;
13106 gameInfo.resultDetails = p;
13110 gameInfo.event = StrSave("Edited position");
13111 gameInfo.site = StrSave(HostName());
13112 gameInfo.date = PGNDate();
13113 gameInfo.round = StrSave("-");
13114 gameInfo.white = StrSave("-");
13115 gameInfo.black = StrSave("-");
13118 case IcsPlayingWhite:
13119 case IcsPlayingBlack:
13124 case PlayFromGameFile:
13125 gameInfo.event = StrSave("Game from non-PGN file");
13126 gameInfo.site = StrSave(HostName());
13127 gameInfo.date = PGNDate();
13128 gameInfo.round = StrSave("-");
13129 gameInfo.white = StrSave("?");
13130 gameInfo.black = StrSave("?");
13139 ReplaceComment(index, text)
13145 while (*text == '\n') text++;
13146 len = strlen(text);
13147 while (len > 0 && text[len - 1] == '\n') len--;
13149 if (commentList[index] != NULL)
13150 free(commentList[index]);
13153 commentList[index] = NULL;
13156 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
13157 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
13158 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
13159 commentList[index] = (char *) malloc(len + 2);
13160 strncpy(commentList[index], text, len);
13161 commentList[index][len] = '\n';
13162 commentList[index][len + 1] = NULLCHAR;
13164 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
13166 commentList[index] = (char *) malloc(len + 6);
13167 strcpy(commentList[index], "{\n");
13168 strncpy(commentList[index]+2, text, len);
13169 commentList[index][len+2] = NULLCHAR;
13170 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
13171 strcat(commentList[index], "\n}\n");
13185 if (ch == '\r') continue;
13187 } while (ch != '\0');
13191 AppendComment(index, text, addBraces)
13194 Boolean addBraces; // [HGM] braces: tells if we should add {}
13199 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
13200 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
13203 while (*text == '\n') text++;
13204 len = strlen(text);
13205 while (len > 0 && text[len - 1] == '\n') len--;
13207 if (len == 0) return;
13209 if (commentList[index] != NULL) {
13210 old = commentList[index];
13211 oldlen = strlen(old);
13212 while(commentList[index][oldlen-1] == '\n')
13213 commentList[index][--oldlen] = NULLCHAR;
13214 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
13215 strcpy(commentList[index], old);
13217 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
13218 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces)) {
13219 if(addBraces) addBraces = FALSE; else { text++; len--; }
13220 while (*text == '\n') { text++; len--; }
13221 commentList[index][--oldlen] = NULLCHAR;
13223 if(addBraces) strcat(commentList[index], "\n{\n");
13224 else strcat(commentList[index], "\n");
13225 strcat(commentList[index], text);
13226 if(addBraces) strcat(commentList[index], "\n}\n");
13227 else strcat(commentList[index], "\n");
13229 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
13231 strcpy(commentList[index], "{\n");
13232 else commentList[index][0] = NULLCHAR;
13233 strcat(commentList[index], text);
13234 strcat(commentList[index], "\n");
13235 if(addBraces) strcat(commentList[index], "}\n");
13239 static char * FindStr( char * text, char * sub_text )
13241 char * result = strstr( text, sub_text );
13243 if( result != NULL ) {
13244 result += strlen( sub_text );
13250 /* [AS] Try to extract PV info from PGN comment */
13251 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
13252 char *GetInfoFromComment( int index, char * text )
13256 if( text != NULL && index > 0 ) {
13259 int time = -1, sec = 0, deci;
13260 char * s_eval = FindStr( text, "[%eval " );
13261 char * s_emt = FindStr( text, "[%emt " );
13263 if( s_eval != NULL || s_emt != NULL ) {
13267 if( s_eval != NULL ) {
13268 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
13272 if( delim != ']' ) {
13277 if( s_emt != NULL ) {
13282 /* We expect something like: [+|-]nnn.nn/dd */
13285 if(*text != '{') return text; // [HGM] braces: must be normal comment
13287 sep = strchr( text, '/' );
13288 if( sep == NULL || sep < (text+4) ) {
13292 time = -1; sec = -1; deci = -1;
13293 if( sscanf( text+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
13294 sscanf( text+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
13295 sscanf( text+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
13296 sscanf( text+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
13300 if( score_lo < 0 || score_lo >= 100 ) {
13304 if(sec >= 0) time = 600*time + 10*sec; else
13305 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
13307 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
13309 /* [HGM] PV time: now locate end of PV info */
13310 while( *++sep >= '0' && *sep <= '9'); // strip depth
13312 while( *++sep >= '0' && *sep <= '9'); // strip time
13314 while( *++sep >= '0' && *sep <= '9'); // strip seconds
13316 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
13317 while(*sep == ' ') sep++;
13328 pvInfoList[index-1].depth = depth;
13329 pvInfoList[index-1].score = score;
13330 pvInfoList[index-1].time = 10*time; // centi-sec
13331 if(*sep == '}') *sep = 0; else *--sep = '{';
13337 SendToProgram(message, cps)
13339 ChessProgramState *cps;
13341 int count, outCount, error;
13344 if (cps->pr == NULL) return;
13347 if (appData.debugMode) {
13350 fprintf(debugFP, "%ld >%-6s: %s",
13351 SubtractTimeMarks(&now, &programStartTime),
13352 cps->which, message);
13355 count = strlen(message);
13356 outCount = OutputToProcess(cps->pr, message, count, &error);
13357 if (outCount < count && !exiting
13358 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
13359 sprintf(buf, _("Error writing to %s chess program"), cps->which);
13360 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13361 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13362 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13363 sprintf(buf, "%s program exits in draw position (%s)", cps->which, cps->program);
13365 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13367 gameInfo.resultDetails = StrSave(buf);
13369 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13374 ReceiveFromProgram(isr, closure, message, count, error)
13375 InputSourceRef isr;
13383 ChessProgramState *cps = (ChessProgramState *)closure;
13385 if (isr != cps->isr) return; /* Killed intentionally */
13389 _("Error: %s chess program (%s) exited unexpectedly"),
13390 cps->which, cps->program);
13391 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13392 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13393 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13394 sprintf(buf, _("%s program exits in draw position (%s)"), cps->which, cps->program);
13396 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13398 gameInfo.resultDetails = StrSave(buf);
13400 RemoveInputSource(cps->isr);
13401 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
13404 _("Error reading from %s chess program (%s)"),
13405 cps->which, cps->program);
13406 RemoveInputSource(cps->isr);
13408 /* [AS] Program is misbehaving badly... kill it */
13409 if( count == -2 ) {
13410 DestroyChildProcess( cps->pr, 9 );
13414 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13419 if ((end_str = strchr(message, '\r')) != NULL)
13420 *end_str = NULLCHAR;
13421 if ((end_str = strchr(message, '\n')) != NULL)
13422 *end_str = NULLCHAR;
13424 if (appData.debugMode) {
13425 TimeMark now; int print = 1;
13426 char *quote = ""; char c; int i;
13428 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
13429 char start = message[0];
13430 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
13431 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
13432 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
13433 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
13434 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
13435 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
13436 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
13437 sscanf(message, "pong %c", &c)!=1 && start != '#') {
13438 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
13439 print = (appData.engineComments >= 2);
13441 message[0] = start; // restore original message
13445 fprintf(debugFP, "%ld <%-6s: %s%s\n",
13446 SubtractTimeMarks(&now, &programStartTime), cps->which,
13452 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
13453 if (appData.icsEngineAnalyze) {
13454 if (strstr(message, "whisper") != NULL ||
13455 strstr(message, "kibitz") != NULL ||
13456 strstr(message, "tellics") != NULL) return;
13459 HandleMachineMove(message, cps);
13464 SendTimeControl(cps, mps, tc, inc, sd, st)
13465 ChessProgramState *cps;
13466 int mps, inc, sd, st;
13472 if( timeControl_2 > 0 ) {
13473 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
13474 tc = timeControl_2;
13477 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
13478 inc /= cps->timeOdds;
13479 st /= cps->timeOdds;
13481 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
13484 /* Set exact time per move, normally using st command */
13485 if (cps->stKludge) {
13486 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
13488 if (seconds == 0) {
13489 sprintf(buf, "level 1 %d\n", st/60);
13491 sprintf(buf, "level 1 %d:%02d\n", st/60, seconds);
13494 sprintf(buf, "st %d\n", st);
13497 /* Set conventional or incremental time control, using level command */
13498 if (seconds == 0) {
13499 /* Note old gnuchess bug -- minutes:seconds used to not work.
13500 Fixed in later versions, but still avoid :seconds
13501 when seconds is 0. */
13502 sprintf(buf, "level %d %ld %d\n", mps, tc/60000, inc/1000);
13504 sprintf(buf, "level %d %ld:%02d %d\n", mps, tc/60000,
13505 seconds, inc/1000);
13508 SendToProgram(buf, cps);
13510 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
13511 /* Orthogonally, limit search to given depth */
13513 if (cps->sdKludge) {
13514 sprintf(buf, "depth\n%d\n", sd);
13516 sprintf(buf, "sd %d\n", sd);
13518 SendToProgram(buf, cps);
13521 if(cps->nps > 0) { /* [HGM] nps */
13522 if(cps->supportsNPS == FALSE) cps->nps = -1; // don't use if engine explicitly says not supported!
13524 sprintf(buf, "nps %d\n", cps->nps);
13525 SendToProgram(buf, cps);
13530 ChessProgramState *WhitePlayer()
13531 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
13533 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
13534 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
13540 SendTimeRemaining(cps, machineWhite)
13541 ChessProgramState *cps;
13542 int /*boolean*/ machineWhite;
13544 char message[MSG_SIZ];
13547 /* Note: this routine must be called when the clocks are stopped
13548 or when they have *just* been set or switched; otherwise
13549 it will be off by the time since the current tick started.
13551 if (machineWhite) {
13552 time = whiteTimeRemaining / 10;
13553 otime = blackTimeRemaining / 10;
13555 time = blackTimeRemaining / 10;
13556 otime = whiteTimeRemaining / 10;
13558 /* [HGM] translate opponent's time by time-odds factor */
13559 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
13560 if (appData.debugMode) {
13561 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
13564 if (time <= 0) time = 1;
13565 if (otime <= 0) otime = 1;
13567 sprintf(message, "time %ld\n", time);
13568 SendToProgram(message, cps);
13570 sprintf(message, "otim %ld\n", otime);
13571 SendToProgram(message, cps);
13575 BoolFeature(p, name, loc, cps)
13579 ChessProgramState *cps;
13582 int len = strlen(name);
13584 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13586 sscanf(*p, "%d", &val);
13588 while (**p && **p != ' ') (*p)++;
13589 sprintf(buf, "accepted %s\n", name);
13590 SendToProgram(buf, cps);
13597 IntFeature(p, name, loc, cps)
13601 ChessProgramState *cps;
13604 int len = strlen(name);
13605 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13607 sscanf(*p, "%d", loc);
13608 while (**p && **p != ' ') (*p)++;
13609 sprintf(buf, "accepted %s\n", name);
13610 SendToProgram(buf, cps);
13617 StringFeature(p, name, loc, cps)
13621 ChessProgramState *cps;
13624 int len = strlen(name);
13625 if (strncmp((*p), name, len) == 0
13626 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
13628 sscanf(*p, "%[^\"]", loc);
13629 while (**p && **p != '\"') (*p)++;
13630 if (**p == '\"') (*p)++;
13631 sprintf(buf, "accepted %s\n", name);
13632 SendToProgram(buf, cps);
13639 ParseOption(Option *opt, ChessProgramState *cps)
13640 // [HGM] options: process the string that defines an engine option, and determine
13641 // name, type, default value, and allowed value range
13643 char *p, *q, buf[MSG_SIZ];
13644 int n, min = (-1)<<31, max = 1<<31, def;
13646 if(p = strstr(opt->name, " -spin ")) {
13647 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13648 if(max < min) max = min; // enforce consistency
13649 if(def < min) def = min;
13650 if(def > max) def = max;
13655 } else if((p = strstr(opt->name, " -slider "))) {
13656 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
13657 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13658 if(max < min) max = min; // enforce consistency
13659 if(def < min) def = min;
13660 if(def > max) def = max;
13664 opt->type = Spin; // Slider;
13665 } else if((p = strstr(opt->name, " -string "))) {
13666 opt->textValue = p+9;
13667 opt->type = TextBox;
13668 } else if((p = strstr(opt->name, " -file "))) {
13669 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13670 opt->textValue = p+7;
13671 opt->type = TextBox; // FileName;
13672 } else if((p = strstr(opt->name, " -path "))) {
13673 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13674 opt->textValue = p+7;
13675 opt->type = TextBox; // PathName;
13676 } else if(p = strstr(opt->name, " -check ")) {
13677 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
13678 opt->value = (def != 0);
13679 opt->type = CheckBox;
13680 } else if(p = strstr(opt->name, " -combo ")) {
13681 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
13682 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
13683 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
13684 opt->value = n = 0;
13685 while(q = StrStr(q, " /// ")) {
13686 n++; *q = 0; // count choices, and null-terminate each of them
13688 if(*q == '*') { // remember default, which is marked with * prefix
13692 cps->comboList[cps->comboCnt++] = q;
13694 cps->comboList[cps->comboCnt++] = NULL;
13696 opt->type = ComboBox;
13697 } else if(p = strstr(opt->name, " -button")) {
13698 opt->type = Button;
13699 } else if(p = strstr(opt->name, " -save")) {
13700 opt->type = SaveButton;
13701 } else return FALSE;
13702 *p = 0; // terminate option name
13703 // now look if the command-line options define a setting for this engine option.
13704 if(cps->optionSettings && cps->optionSettings[0])
13705 p = strstr(cps->optionSettings, opt->name); else p = NULL;
13706 if(p && (p == cps->optionSettings || p[-1] == ',')) {
13707 sprintf(buf, "option %s", p);
13708 if(p = strstr(buf, ",")) *p = 0;
13710 SendToProgram(buf, cps);
13716 FeatureDone(cps, val)
13717 ChessProgramState* cps;
13720 DelayedEventCallback cb = GetDelayedEvent();
13721 if ((cb == InitBackEnd3 && cps == &first) ||
13722 (cb == TwoMachinesEventIfReady && cps == &second)) {
13723 CancelDelayedEvent();
13724 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
13726 cps->initDone = val;
13729 /* Parse feature command from engine */
13731 ParseFeatures(args, cps)
13733 ChessProgramState *cps;
13741 while (*p == ' ') p++;
13742 if (*p == NULLCHAR) return;
13744 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
13745 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
13746 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
13747 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
13748 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
13749 if (BoolFeature(&p, "reuse", &val, cps)) {
13750 /* Engine can disable reuse, but can't enable it if user said no */
13751 if (!val) cps->reuse = FALSE;
13754 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
13755 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
13756 if (gameMode == TwoMachinesPlay) {
13757 DisplayTwoMachinesTitle();
13763 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
13764 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
13765 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
13766 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
13767 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
13768 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
13769 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
13770 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
13771 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
13772 if (IntFeature(&p, "done", &val, cps)) {
13773 FeatureDone(cps, val);
13776 /* Added by Tord: */
13777 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
13778 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
13779 /* End of additions by Tord */
13781 /* [HGM] added features: */
13782 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
13783 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
13784 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
13785 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
13786 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13787 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
13788 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
13789 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
13790 sprintf(buf, "rejected option %s\n", cps->option[--cps->nrOptions].name);
13791 SendToProgram(buf, cps);
13794 if(cps->nrOptions >= MAX_OPTIONS) {
13796 sprintf(buf, "%s engine has too many options\n", cps->which);
13797 DisplayError(buf, 0);
13801 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13802 /* End of additions by HGM */
13804 /* unknown feature: complain and skip */
13806 while (*q && *q != '=') q++;
13807 sprintf(buf, "rejected %.*s\n", (int)(q-p), p);
13808 SendToProgram(buf, cps);
13814 while (*p && *p != '\"') p++;
13815 if (*p == '\"') p++;
13817 while (*p && *p != ' ') p++;
13825 PeriodicUpdatesEvent(newState)
13828 if (newState == appData.periodicUpdates)
13831 appData.periodicUpdates=newState;
13833 /* Display type changes, so update it now */
13834 // DisplayAnalysis();
13836 /* Get the ball rolling again... */
13838 AnalysisPeriodicEvent(1);
13839 StartAnalysisClock();
13844 PonderNextMoveEvent(newState)
13847 if (newState == appData.ponderNextMove) return;
13848 if (gameMode == EditPosition) EditPositionDone(TRUE);
13850 SendToProgram("hard\n", &first);
13851 if (gameMode == TwoMachinesPlay) {
13852 SendToProgram("hard\n", &second);
13855 SendToProgram("easy\n", &first);
13856 thinkOutput[0] = NULLCHAR;
13857 if (gameMode == TwoMachinesPlay) {
13858 SendToProgram("easy\n", &second);
13861 appData.ponderNextMove = newState;
13865 NewSettingEvent(option, command, value)
13871 if (gameMode == EditPosition) EditPositionDone(TRUE);
13872 sprintf(buf, "%s%s %d\n", (option ? "option ": ""), command, value);
13873 SendToProgram(buf, &first);
13874 if (gameMode == TwoMachinesPlay) {
13875 SendToProgram(buf, &second);
13880 ShowThinkingEvent()
13881 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
13883 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
13884 int newState = appData.showThinking
13885 // [HGM] thinking: other features now need thinking output as well
13886 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
13888 if (oldState == newState) return;
13889 oldState = newState;
13890 if (gameMode == EditPosition) EditPositionDone(TRUE);
13892 SendToProgram("post\n", &first);
13893 if (gameMode == TwoMachinesPlay) {
13894 SendToProgram("post\n", &second);
13897 SendToProgram("nopost\n", &first);
13898 thinkOutput[0] = NULLCHAR;
13899 if (gameMode == TwoMachinesPlay) {
13900 SendToProgram("nopost\n", &second);
13903 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
13907 AskQuestionEvent(title, question, replyPrefix, which)
13908 char *title; char *question; char *replyPrefix; char *which;
13910 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
13911 if (pr == NoProc) return;
13912 AskQuestion(title, question, replyPrefix, pr);
13916 DisplayMove(moveNumber)
13919 char message[MSG_SIZ];
13921 char cpThinkOutput[MSG_SIZ];
13923 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
13925 if (moveNumber == forwardMostMove - 1 ||
13926 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13928 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput));
13930 if (strchr(cpThinkOutput, '\n')) {
13931 *strchr(cpThinkOutput, '\n') = NULLCHAR;
13934 *cpThinkOutput = NULLCHAR;
13937 /* [AS] Hide thinking from human user */
13938 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
13939 *cpThinkOutput = NULLCHAR;
13940 if( thinkOutput[0] != NULLCHAR ) {
13943 for( i=0; i<=hiddenThinkOutputState; i++ ) {
13944 cpThinkOutput[i] = '.';
13946 cpThinkOutput[i] = NULLCHAR;
13947 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
13951 if (moveNumber == forwardMostMove - 1 &&
13952 gameInfo.resultDetails != NULL) {
13953 if (gameInfo.resultDetails[0] == NULLCHAR) {
13954 sprintf(res, " %s", PGNResult(gameInfo.result));
13956 sprintf(res, " {%s} %s",
13957 gameInfo.resultDetails, PGNResult(gameInfo.result));
13963 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
13964 DisplayMessage(res, cpThinkOutput);
13966 sprintf(message, "%d.%s%s%s", moveNumber / 2 + 1,
13967 WhiteOnMove(moveNumber) ? " " : ".. ",
13968 parseList[moveNumber], res);
13969 DisplayMessage(message, cpThinkOutput);
13974 DisplayComment(moveNumber, text)
13978 char title[MSG_SIZ];
13979 char buf[8000]; // comment can be long!
13982 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
13983 strcpy(title, "Comment");
13985 sprintf(title, "Comment on %d.%s%s", moveNumber / 2 + 1,
13986 WhiteOnMove(moveNumber) ? " " : ".. ",
13987 parseList[moveNumber]);
13989 // [HGM] PV info: display PV info together with (or as) comment
13990 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
13991 if(text == NULL) text = "";
13992 score = pvInfoList[moveNumber].score;
13993 sprintf(buf, "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
13994 depth, (pvInfoList[moveNumber].time+50)/100, text);
13997 if (text != NULL && (appData.autoDisplayComment || commentUp))
13998 CommentPopUp(title, text);
14001 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
14002 * might be busy thinking or pondering. It can be omitted if your
14003 * gnuchess is configured to stop thinking immediately on any user
14004 * input. However, that gnuchess feature depends on the FIONREAD
14005 * ioctl, which does not work properly on some flavors of Unix.
14009 ChessProgramState *cps;
14012 if (!cps->useSigint) return;
14013 if (appData.noChessProgram || (cps->pr == NoProc)) return;
14014 switch (gameMode) {
14015 case MachinePlaysWhite:
14016 case MachinePlaysBlack:
14017 case TwoMachinesPlay:
14018 case IcsPlayingWhite:
14019 case IcsPlayingBlack:
14022 /* Skip if we know it isn't thinking */
14023 if (!cps->maybeThinking) return;
14024 if (appData.debugMode)
14025 fprintf(debugFP, "Interrupting %s\n", cps->which);
14026 InterruptChildProcess(cps->pr);
14027 cps->maybeThinking = FALSE;
14032 #endif /*ATTENTION*/
14038 if (whiteTimeRemaining <= 0) {
14041 if (appData.icsActive) {
14042 if (appData.autoCallFlag &&
14043 gameMode == IcsPlayingBlack && !blackFlag) {
14044 SendToICS(ics_prefix);
14045 SendToICS("flag\n");
14049 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14051 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
14052 if (appData.autoCallFlag) {
14053 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
14060 if (blackTimeRemaining <= 0) {
14063 if (appData.icsActive) {
14064 if (appData.autoCallFlag &&
14065 gameMode == IcsPlayingWhite && !whiteFlag) {
14066 SendToICS(ics_prefix);
14067 SendToICS("flag\n");
14071 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14073 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
14074 if (appData.autoCallFlag) {
14075 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
14088 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
14089 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
14092 * add time to clocks when time control is achieved ([HGM] now also used for increment)
14094 if ( !WhiteOnMove(forwardMostMove) )
14095 /* White made time control */
14096 whiteTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
14097 /* [HGM] time odds: correct new time quota for time odds! */
14098 / WhitePlayer()->timeOdds;
14100 /* Black made time control */
14101 blackTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
14102 / WhitePlayer()->other->timeOdds;
14106 DisplayBothClocks()
14108 int wom = gameMode == EditPosition ?
14109 !blackPlaysFirst : WhiteOnMove(currentMove);
14110 DisplayWhiteClock(whiteTimeRemaining, wom);
14111 DisplayBlackClock(blackTimeRemaining, !wom);
14115 /* Timekeeping seems to be a portability nightmare. I think everyone
14116 has ftime(), but I'm really not sure, so I'm including some ifdefs
14117 to use other calls if you don't. Clocks will be less accurate if
14118 you have neither ftime nor gettimeofday.
14121 /* VS 2008 requires the #include outside of the function */
14122 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
14123 #include <sys/timeb.h>
14126 /* Get the current time as a TimeMark */
14131 #if HAVE_GETTIMEOFDAY
14133 struct timeval timeVal;
14134 struct timezone timeZone;
14136 gettimeofday(&timeVal, &timeZone);
14137 tm->sec = (long) timeVal.tv_sec;
14138 tm->ms = (int) (timeVal.tv_usec / 1000L);
14140 #else /*!HAVE_GETTIMEOFDAY*/
14143 // include <sys/timeb.h> / moved to just above start of function
14144 struct timeb timeB;
14147 tm->sec = (long) timeB.time;
14148 tm->ms = (int) timeB.millitm;
14150 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
14151 tm->sec = (long) time(NULL);
14157 /* Return the difference in milliseconds between two
14158 time marks. We assume the difference will fit in a long!
14161 SubtractTimeMarks(tm2, tm1)
14162 TimeMark *tm2, *tm1;
14164 return 1000L*(tm2->sec - tm1->sec) +
14165 (long) (tm2->ms - tm1->ms);
14170 * Code to manage the game clocks.
14172 * In tournament play, black starts the clock and then white makes a move.
14173 * We give the human user a slight advantage if he is playing white---the
14174 * clocks don't run until he makes his first move, so it takes zero time.
14175 * Also, we don't account for network lag, so we could get out of sync
14176 * with GNU Chess's clock -- but then, referees are always right.
14179 static TimeMark tickStartTM;
14180 static long intendedTickLength;
14183 NextTickLength(timeRemaining)
14184 long timeRemaining;
14186 long nominalTickLength, nextTickLength;
14188 if (timeRemaining > 0L && timeRemaining <= 10000L)
14189 nominalTickLength = 100L;
14191 nominalTickLength = 1000L;
14192 nextTickLength = timeRemaining % nominalTickLength;
14193 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
14195 return nextTickLength;
14198 /* Adjust clock one minute up or down */
14200 AdjustClock(Boolean which, int dir)
14202 if(which) blackTimeRemaining += 60000*dir;
14203 else whiteTimeRemaining += 60000*dir;
14204 DisplayBothClocks();
14207 /* Stop clocks and reset to a fresh time control */
14211 (void) StopClockTimer();
14212 if (appData.icsActive) {
14213 whiteTimeRemaining = blackTimeRemaining = 0;
14214 } else if (searchTime) {
14215 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14216 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14217 } else { /* [HGM] correct new time quote for time odds */
14218 whiteTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->timeOdds;
14219 blackTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->other->timeOdds;
14221 if (whiteFlag || blackFlag) {
14223 whiteFlag = blackFlag = FALSE;
14225 DisplayBothClocks();
14228 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
14230 /* Decrement running clock by amount of time that has passed */
14234 long timeRemaining;
14235 long lastTickLength, fudge;
14238 if (!appData.clockMode) return;
14239 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
14243 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14245 /* Fudge if we woke up a little too soon */
14246 fudge = intendedTickLength - lastTickLength;
14247 if (fudge < 0 || fudge > FUDGE) fudge = 0;
14249 if (WhiteOnMove(forwardMostMove)) {
14250 if(whiteNPS >= 0) lastTickLength = 0;
14251 timeRemaining = whiteTimeRemaining -= lastTickLength;
14252 DisplayWhiteClock(whiteTimeRemaining - fudge,
14253 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14255 if(blackNPS >= 0) lastTickLength = 0;
14256 timeRemaining = blackTimeRemaining -= lastTickLength;
14257 DisplayBlackClock(blackTimeRemaining - fudge,
14258 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14261 if (CheckFlags()) return;
14264 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
14265 StartClockTimer(intendedTickLength);
14267 /* if the time remaining has fallen below the alarm threshold, sound the
14268 * alarm. if the alarm has sounded and (due to a takeback or time control
14269 * with increment) the time remaining has increased to a level above the
14270 * threshold, reset the alarm so it can sound again.
14273 if (appData.icsActive && appData.icsAlarm) {
14275 /* make sure we are dealing with the user's clock */
14276 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
14277 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
14280 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
14281 alarmSounded = FALSE;
14282 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
14284 alarmSounded = TRUE;
14290 /* A player has just moved, so stop the previously running
14291 clock and (if in clock mode) start the other one.
14292 We redisplay both clocks in case we're in ICS mode, because
14293 ICS gives us an update to both clocks after every move.
14294 Note that this routine is called *after* forwardMostMove
14295 is updated, so the last fractional tick must be subtracted
14296 from the color that is *not* on move now.
14299 SwitchClocks(int newMoveNr)
14301 long lastTickLength;
14303 int flagged = FALSE;
14307 if (StopClockTimer() && appData.clockMode) {
14308 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14309 if (!WhiteOnMove(forwardMostMove)) {
14310 if(blackNPS >= 0) lastTickLength = 0;
14311 blackTimeRemaining -= lastTickLength;
14312 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14313 // if(pvInfoList[forwardMostMove-1].time == -1)
14314 pvInfoList[forwardMostMove-1].time = // use GUI time
14315 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
14317 if(whiteNPS >= 0) lastTickLength = 0;
14318 whiteTimeRemaining -= lastTickLength;
14319 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14320 // if(pvInfoList[forwardMostMove-1].time == -1)
14321 pvInfoList[forwardMostMove-1].time =
14322 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
14324 flagged = CheckFlags();
14326 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
14327 CheckTimeControl();
14329 if (flagged || !appData.clockMode) return;
14331 switch (gameMode) {
14332 case MachinePlaysBlack:
14333 case MachinePlaysWhite:
14334 case BeginningOfGame:
14335 if (pausing) return;
14339 case PlayFromGameFile:
14347 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
14348 if(WhiteOnMove(forwardMostMove))
14349 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14350 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14354 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14355 whiteTimeRemaining : blackTimeRemaining);
14356 StartClockTimer(intendedTickLength);
14360 /* Stop both clocks */
14364 long lastTickLength;
14367 if (!StopClockTimer()) return;
14368 if (!appData.clockMode) return;
14372 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14373 if (WhiteOnMove(forwardMostMove)) {
14374 if(whiteNPS >= 0) lastTickLength = 0;
14375 whiteTimeRemaining -= lastTickLength;
14376 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
14378 if(blackNPS >= 0) lastTickLength = 0;
14379 blackTimeRemaining -= lastTickLength;
14380 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
14385 /* Start clock of player on move. Time may have been reset, so
14386 if clock is already running, stop and restart it. */
14390 (void) StopClockTimer(); /* in case it was running already */
14391 DisplayBothClocks();
14392 if (CheckFlags()) return;
14394 if (!appData.clockMode) return;
14395 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
14397 GetTimeMark(&tickStartTM);
14398 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14399 whiteTimeRemaining : blackTimeRemaining);
14401 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
14402 whiteNPS = blackNPS = -1;
14403 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
14404 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
14405 whiteNPS = first.nps;
14406 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
14407 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
14408 blackNPS = first.nps;
14409 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
14410 whiteNPS = second.nps;
14411 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
14412 blackNPS = second.nps;
14413 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
14415 StartClockTimer(intendedTickLength);
14422 long second, minute, hour, day;
14424 static char buf[32];
14426 if (ms > 0 && ms <= 9900) {
14427 /* convert milliseconds to tenths, rounding up */
14428 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
14430 sprintf(buf, " %03.1f ", tenths/10.0);
14434 /* convert milliseconds to seconds, rounding up */
14435 /* use floating point to avoid strangeness of integer division
14436 with negative dividends on many machines */
14437 second = (long) floor(((double) (ms + 999L)) / 1000.0);
14444 day = second / (60 * 60 * 24);
14445 second = second % (60 * 60 * 24);
14446 hour = second / (60 * 60);
14447 second = second % (60 * 60);
14448 minute = second / 60;
14449 second = second % 60;
14452 sprintf(buf, " %s%ld:%02ld:%02ld:%02ld ",
14453 sign, day, hour, minute, second);
14455 sprintf(buf, " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
14457 sprintf(buf, " %s%2ld:%02ld ", sign, minute, second);
14464 * This is necessary because some C libraries aren't ANSI C compliant yet.
14467 StrStr(string, match)
14468 char *string, *match;
14472 length = strlen(match);
14474 for (i = strlen(string) - length; i >= 0; i--, string++)
14475 if (!strncmp(match, string, length))
14482 StrCaseStr(string, match)
14483 char *string, *match;
14487 length = strlen(match);
14489 for (i = strlen(string) - length; i >= 0; i--, string++) {
14490 for (j = 0; j < length; j++) {
14491 if (ToLower(match[j]) != ToLower(string[j]))
14494 if (j == length) return string;
14508 c1 = ToLower(*s1++);
14509 c2 = ToLower(*s2++);
14510 if (c1 > c2) return 1;
14511 if (c1 < c2) return -1;
14512 if (c1 == NULLCHAR) return 0;
14521 return isupper(c) ? tolower(c) : c;
14529 return islower(c) ? toupper(c) : c;
14531 #endif /* !_amigados */
14539 if ((ret = (char *) malloc(strlen(s) + 1))) {
14546 StrSavePtr(s, savePtr)
14547 char *s, **savePtr;
14552 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
14553 strcpy(*savePtr, s);
14565 clock = time((time_t *)NULL);
14566 tm = localtime(&clock);
14567 sprintf(buf, "%04d.%02d.%02d",
14568 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
14569 return StrSave(buf);
14574 PositionToFEN(move, overrideCastling)
14576 char *overrideCastling;
14578 int i, j, fromX, fromY, toX, toY;
14585 whiteToPlay = (gameMode == EditPosition) ?
14586 !blackPlaysFirst : (move % 2 == 0);
14589 /* Piece placement data */
14590 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14592 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14593 if (boards[move][i][j] == EmptySquare) {
14595 } else { ChessSquare piece = boards[move][i][j];
14596 if (emptycount > 0) {
14597 if(emptycount<10) /* [HGM] can be >= 10 */
14598 *p++ = '0' + emptycount;
14599 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14602 if(PieceToChar(piece) == '+') {
14603 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
14605 piece = (ChessSquare)(DEMOTED piece);
14607 *p++ = PieceToChar(piece);
14609 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
14610 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
14615 if (emptycount > 0) {
14616 if(emptycount<10) /* [HGM] can be >= 10 */
14617 *p++ = '0' + emptycount;
14618 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14625 /* [HGM] print Crazyhouse or Shogi holdings */
14626 if( gameInfo.holdingsWidth ) {
14627 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
14629 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
14630 piece = boards[move][i][BOARD_WIDTH-1];
14631 if( piece != EmptySquare )
14632 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
14633 *p++ = PieceToChar(piece);
14635 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
14636 piece = boards[move][BOARD_HEIGHT-i-1][0];
14637 if( piece != EmptySquare )
14638 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
14639 *p++ = PieceToChar(piece);
14642 if( q == p ) *p++ = '-';
14648 *p++ = whiteToPlay ? 'w' : 'b';
14651 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
14652 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
14654 if(nrCastlingRights) {
14656 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
14657 /* [HGM] write directly from rights */
14658 if(boards[move][CASTLING][2] != NoRights &&
14659 boards[move][CASTLING][0] != NoRights )
14660 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
14661 if(boards[move][CASTLING][2] != NoRights &&
14662 boards[move][CASTLING][1] != NoRights )
14663 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
14664 if(boards[move][CASTLING][5] != NoRights &&
14665 boards[move][CASTLING][3] != NoRights )
14666 *p++ = boards[move][CASTLING][3] + AAA;
14667 if(boards[move][CASTLING][5] != NoRights &&
14668 boards[move][CASTLING][4] != NoRights )
14669 *p++ = boards[move][CASTLING][4] + AAA;
14672 /* [HGM] write true castling rights */
14673 if( nrCastlingRights == 6 ) {
14674 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
14675 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
14676 if(boards[move][CASTLING][1] == BOARD_LEFT &&
14677 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
14678 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
14679 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
14680 if(boards[move][CASTLING][4] == BOARD_LEFT &&
14681 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
14684 if (q == p) *p++ = '-'; /* No castling rights */
14688 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14689 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14690 /* En passant target square */
14691 if (move > backwardMostMove) {
14692 fromX = moveList[move - 1][0] - AAA;
14693 fromY = moveList[move - 1][1] - ONE;
14694 toX = moveList[move - 1][2] - AAA;
14695 toY = moveList[move - 1][3] - ONE;
14696 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
14697 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
14698 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
14700 /* 2-square pawn move just happened */
14702 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14706 } else if(move == backwardMostMove) {
14707 // [HGM] perhaps we should always do it like this, and forget the above?
14708 if((signed char)boards[move][EP_STATUS] >= 0) {
14709 *p++ = boards[move][EP_STATUS] + AAA;
14710 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14721 /* [HGM] find reversible plies */
14722 { int i = 0, j=move;
14724 if (appData.debugMode) { int k;
14725 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
14726 for(k=backwardMostMove; k<=forwardMostMove; k++)
14727 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
14731 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
14732 if( j == backwardMostMove ) i += initialRulePlies;
14733 sprintf(p, "%d ", i);
14734 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
14736 /* Fullmove number */
14737 sprintf(p, "%d", (move / 2) + 1);
14739 return StrSave(buf);
14743 ParseFEN(board, blackPlaysFirst, fen)
14745 int *blackPlaysFirst;
14755 /* [HGM] by default clear Crazyhouse holdings, if present */
14756 if(gameInfo.holdingsWidth) {
14757 for(i=0; i<BOARD_HEIGHT; i++) {
14758 board[i][0] = EmptySquare; /* black holdings */
14759 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
14760 board[i][1] = (ChessSquare) 0; /* black counts */
14761 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
14765 /* Piece placement data */
14766 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14769 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
14770 if (*p == '/') p++;
14771 emptycount = gameInfo.boardWidth - j;
14772 while (emptycount--)
14773 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14775 #if(BOARD_FILES >= 10)
14776 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
14777 p++; emptycount=10;
14778 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14779 while (emptycount--)
14780 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14782 } else if (isdigit(*p)) {
14783 emptycount = *p++ - '0';
14784 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
14785 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14786 while (emptycount--)
14787 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14788 } else if (*p == '+' || isalpha(*p)) {
14789 if (j >= gameInfo.boardWidth) return FALSE;
14791 piece = CharToPiece(*++p);
14792 if(piece == EmptySquare) return FALSE; /* unknown piece */
14793 piece = (ChessSquare) (PROMOTED piece ); p++;
14794 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
14795 } else piece = CharToPiece(*p++);
14797 if(piece==EmptySquare) return FALSE; /* unknown piece */
14798 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
14799 piece = (ChessSquare) (PROMOTED piece);
14800 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
14803 board[i][(j++)+gameInfo.holdingsWidth] = piece;
14809 while (*p == '/' || *p == ' ') p++;
14811 /* [HGM] look for Crazyhouse holdings here */
14812 while(*p==' ') p++;
14813 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
14815 if(*p == '-' ) *p++; /* empty holdings */ else {
14816 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
14817 /* if we would allow FEN reading to set board size, we would */
14818 /* have to add holdings and shift the board read so far here */
14819 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
14821 if((int) piece >= (int) BlackPawn ) {
14822 i = (int)piece - (int)BlackPawn;
14823 i = PieceToNumber((ChessSquare)i);
14824 if( i >= gameInfo.holdingsSize ) return FALSE;
14825 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
14826 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
14828 i = (int)piece - (int)WhitePawn;
14829 i = PieceToNumber((ChessSquare)i);
14830 if( i >= gameInfo.holdingsSize ) return FALSE;
14831 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
14832 board[i][BOARD_WIDTH-2]++; /* black holdings */
14836 if(*p == ']') *p++;
14839 while(*p == ' ') p++;
14844 *blackPlaysFirst = FALSE;
14847 *blackPlaysFirst = TRUE;
14853 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
14854 /* return the extra info in global variiables */
14856 /* set defaults in case FEN is incomplete */
14857 board[EP_STATUS] = EP_UNKNOWN;
14858 for(i=0; i<nrCastlingRights; i++ ) {
14859 board[CASTLING][i] =
14860 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
14861 } /* assume possible unless obviously impossible */
14862 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
14863 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
14864 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
14865 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
14866 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
14867 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
14868 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
14869 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
14872 while(*p==' ') p++;
14873 if(nrCastlingRights) {
14874 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
14875 /* castling indicator present, so default becomes no castlings */
14876 for(i=0; i<nrCastlingRights; i++ ) {
14877 board[CASTLING][i] = NoRights;
14880 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
14881 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
14882 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
14883 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
14884 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
14886 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
14887 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
14888 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
14890 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
14891 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
14892 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
14893 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
14894 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
14895 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
14898 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
14899 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
14900 board[CASTLING][2] = whiteKingFile;
14903 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
14904 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
14905 board[CASTLING][2] = whiteKingFile;
14908 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
14909 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
14910 board[CASTLING][5] = blackKingFile;
14913 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
14914 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
14915 board[CASTLING][5] = blackKingFile;
14918 default: /* FRC castlings */
14919 if(c >= 'a') { /* black rights */
14920 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
14921 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
14922 if(i == BOARD_RGHT) break;
14923 board[CASTLING][5] = i;
14925 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
14926 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
14928 board[CASTLING][3] = c;
14930 board[CASTLING][4] = c;
14931 } else { /* white rights */
14932 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
14933 if(board[0][i] == WhiteKing) break;
14934 if(i == BOARD_RGHT) break;
14935 board[CASTLING][2] = i;
14936 c -= AAA - 'a' + 'A';
14937 if(board[0][c] >= WhiteKing) break;
14939 board[CASTLING][0] = c;
14941 board[CASTLING][1] = c;
14945 for(i=0; i<nrCastlingRights; i++)
14946 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
14947 if (appData.debugMode) {
14948 fprintf(debugFP, "FEN castling rights:");
14949 for(i=0; i<nrCastlingRights; i++)
14950 fprintf(debugFP, " %d", board[CASTLING][i]);
14951 fprintf(debugFP, "\n");
14954 while(*p==' ') p++;
14957 /* read e.p. field in games that know e.p. capture */
14958 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14959 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14961 p++; board[EP_STATUS] = EP_NONE;
14963 char c = *p++ - AAA;
14965 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
14966 if(*p >= '0' && *p <='9') *p++;
14967 board[EP_STATUS] = c;
14972 if(sscanf(p, "%d", &i) == 1) {
14973 FENrulePlies = i; /* 50-move ply counter */
14974 /* (The move number is still ignored) */
14981 EditPositionPasteFEN(char *fen)
14984 Board initial_position;
14986 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
14987 DisplayError(_("Bad FEN position in clipboard"), 0);
14990 int savedBlackPlaysFirst = blackPlaysFirst;
14991 EditPositionEvent();
14992 blackPlaysFirst = savedBlackPlaysFirst;
14993 CopyBoard(boards[0], initial_position);
14994 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
14995 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
14996 DisplayBothClocks();
14997 DrawPosition(FALSE, boards[currentMove]);
15002 static char cseq[12] = "\\ ";
15004 Boolean set_cont_sequence(char *new_seq)
15009 // handle bad attempts to set the sequence
15011 return 0; // acceptable error - no debug
15013 len = strlen(new_seq);
15014 ret = (len > 0) && (len < sizeof(cseq));
15016 strcpy(cseq, new_seq);
15017 else if (appData.debugMode)
15018 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
15023 reformat a source message so words don't cross the width boundary. internal
15024 newlines are not removed. returns the wrapped size (no null character unless
15025 included in source message). If dest is NULL, only calculate the size required
15026 for the dest buffer. lp argument indicats line position upon entry, and it's
15027 passed back upon exit.
15029 int wrap(char *dest, char *src, int count, int width, int *lp)
15031 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
15033 cseq_len = strlen(cseq);
15034 old_line = line = *lp;
15035 ansi = len = clen = 0;
15037 for (i=0; i < count; i++)
15039 if (src[i] == '\033')
15042 // if we hit the width, back up
15043 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
15045 // store i & len in case the word is too long
15046 old_i = i, old_len = len;
15048 // find the end of the last word
15049 while (i && src[i] != ' ' && src[i] != '\n')
15055 // word too long? restore i & len before splitting it
15056 if ((old_i-i+clen) >= width)
15063 if (i && src[i-1] == ' ')
15066 if (src[i] != ' ' && src[i] != '\n')
15073 // now append the newline and continuation sequence
15078 strncpy(dest+len, cseq, cseq_len);
15086 dest[len] = src[i];
15090 if (src[i] == '\n')
15095 if (dest && appData.debugMode)
15097 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
15098 count, width, line, len, *lp);
15099 show_bytes(debugFP, src, count);
15100 fprintf(debugFP, "\ndest: ");
15101 show_bytes(debugFP, dest, len);
15102 fprintf(debugFP, "\n");
15104 *lp = dest ? line : old_line;
15109 // [HGM] vari: routines for shelving variations
15112 PushTail(int firstMove, int lastMove)
15114 int i, j, nrMoves = lastMove - firstMove;
15116 if(appData.icsActive) { // only in local mode
15117 forwardMostMove = currentMove; // mimic old ICS behavior
15120 if(storedGames >= MAX_VARIATIONS-1) return;
15122 // push current tail of game on stack
15123 savedResult[storedGames] = gameInfo.result;
15124 savedDetails[storedGames] = gameInfo.resultDetails;
15125 gameInfo.resultDetails = NULL;
15126 savedFirst[storedGames] = firstMove;
15127 savedLast [storedGames] = lastMove;
15128 savedFramePtr[storedGames] = framePtr;
15129 framePtr -= nrMoves; // reserve space for the boards
15130 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
15131 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
15132 for(j=0; j<MOVE_LEN; j++)
15133 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
15134 for(j=0; j<2*MOVE_LEN; j++)
15135 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
15136 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
15137 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
15138 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
15139 pvInfoList[firstMove+i-1].depth = 0;
15140 commentList[framePtr+i] = commentList[firstMove+i];
15141 commentList[firstMove+i] = NULL;
15145 forwardMostMove = firstMove; // truncate game so we can start variation
15146 if(storedGames == 1) GreyRevert(FALSE);
15150 PopTail(Boolean annotate)
15153 char buf[8000], moveBuf[20];
15155 if(appData.icsActive) return FALSE; // only in local mode
15156 if(!storedGames) return FALSE; // sanity
15157 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
15160 ToNrEvent(savedFirst[storedGames]); // sets currentMove
15161 nrMoves = savedLast[storedGames] - currentMove;
15164 if(!WhiteOnMove(currentMove)) sprintf(buf, "(%d...", currentMove+2>>1);
15165 else strcpy(buf, "(");
15166 for(i=currentMove; i<forwardMostMove; i++) {
15168 sprintf(moveBuf, " %d. %s", i+2>>1, SavePart(parseList[i]));
15169 else sprintf(moveBuf, " %s", SavePart(parseList[i]));
15170 strcat(buf, moveBuf);
15171 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
15172 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
15176 for(i=1; i<=nrMoves; i++) { // copy last variation back
15177 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
15178 for(j=0; j<MOVE_LEN; j++)
15179 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
15180 for(j=0; j<2*MOVE_LEN; j++)
15181 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
15182 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
15183 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
15184 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
15185 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
15186 commentList[currentMove+i] = commentList[framePtr+i];
15187 commentList[framePtr+i] = NULL;
15189 if(annotate) AppendComment(currentMove+1, buf, FALSE);
15190 framePtr = savedFramePtr[storedGames];
15191 gameInfo.result = savedResult[storedGames];
15192 if(gameInfo.resultDetails != NULL) {
15193 free(gameInfo.resultDetails);
15195 gameInfo.resultDetails = savedDetails[storedGames];
15196 forwardMostMove = currentMove + nrMoves;
15197 if(storedGames == 0) GreyRevert(TRUE);
15203 { // remove all shelved variations
15205 for(i=0; i<storedGames; i++) {
15206 if(savedDetails[i])
15207 free(savedDetails[i]);
15208 savedDetails[i] = NULL;
15210 for(i=framePtr; i<MAX_MOVES; i++) {
15211 if(commentList[i]) free(commentList[i]);
15212 commentList[i] = NULL;
15214 framePtr = MAX_MOVES-1;
15219 LoadVariation(int index, char *text)
15220 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
15221 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
15222 int level = 0, move;
15224 if(gameMode != EditGame && gameMode != AnalyzeMode) return;
15225 // first find outermost bracketing variation
15226 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
15227 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
15228 if(*p == '{') wait = '}'; else
15229 if(*p == '[') wait = ']'; else
15230 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
15231 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
15233 if(*p == wait) wait = NULLCHAR; // closing ]} found
15236 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
15237 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
15238 end[1] = NULLCHAR; // clip off comment beyond variation
15239 ToNrEvent(currentMove-1);
15240 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
15241 // kludge: use ParsePV() to append variation to game
15242 move = currentMove;
15243 ParsePV(start, TRUE);
15244 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
15245 ClearPremoveHighlights();
15247 ToNrEvent(currentMove+1);