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;
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);
6330 if (appData.highlightDragging) {
6331 SetHighlights(x, y, -1, -1);
6340 if (clickType == Press && gameMode != EditPosition) {
6345 // ignore off-board to clicks
6346 if(y < 0 || x < 0) return;
6348 /* Check if clicking again on the same color piece */
6349 fromP = boards[currentMove][fromY][fromX];
6350 toP = boards[currentMove][y][x];
6351 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom;
6352 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6353 WhitePawn <= toP && toP <= WhiteKing &&
6354 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6355 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6356 (BlackPawn <= fromP && fromP <= BlackKing &&
6357 BlackPawn <= toP && toP <= BlackKing &&
6358 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6359 !(fromP == BlackKing && toP == BlackRook && frc))) {
6360 /* Clicked again on same color piece -- changed his mind */
6361 second = (x == fromX && y == fromY);
6362 if(!second || !OnlyMove(&x, &y, TRUE)) {
6363 if (appData.highlightDragging) {
6364 SetHighlights(x, y, -1, -1);
6368 if (OKToStartUserMove(x, y)) {
6371 MarkTargetSquares(0);
6372 DragPieceBegin(xPix, yPix);
6377 // ignore clicks on holdings
6378 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6381 if (clickType == Release && x == fromX && y == fromY) {
6382 DragPieceEnd(xPix, yPix);
6383 if (appData.animateDragging) {
6384 /* Undo animation damage if any */
6385 DrawPosition(FALSE, NULL);
6388 /* Second up/down in same square; just abort move */
6393 ClearPremoveHighlights();
6395 /* First upclick in same square; start click-click mode */
6396 SetHighlights(x, y, -1, -1);
6401 /* we now have a different from- and (possibly off-board) to-square */
6402 /* Completed move */
6405 saveAnimate = appData.animate;
6406 if (clickType == Press) {
6407 /* Finish clickclick move */
6408 if (appData.animate || appData.highlightLastMove) {
6409 SetHighlights(fromX, fromY, toX, toY);
6414 /* Finish drag move */
6415 if (appData.highlightLastMove) {
6416 SetHighlights(fromX, fromY, toX, toY);
6420 DragPieceEnd(xPix, yPix);
6421 /* Don't animate move and drag both */
6422 appData.animate = FALSE;
6425 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
6426 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
6427 ChessSquare piece = boards[currentMove][fromY][fromX];
6428 if(gameMode == EditPosition && piece != EmptySquare &&
6429 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
6432 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
6433 n = PieceToNumber(piece - (int)BlackPawn);
6434 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
6435 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
6436 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
6438 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
6439 n = PieceToNumber(piece);
6440 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
6441 boards[currentMove][n][BOARD_WIDTH-1] = piece;
6442 boards[currentMove][n][BOARD_WIDTH-2]++;
6444 boards[currentMove][fromY][fromX] = EmptySquare;
6448 DrawPosition(TRUE, boards[currentMove]);
6452 // off-board moves should not be highlighted
6453 if(x < 0 || x < 0) ClearHighlights();
6455 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
6456 SetHighlights(fromX, fromY, toX, toY);
6457 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6458 // [HGM] super: promotion to captured piece selected from holdings
6459 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
6460 promotionChoice = TRUE;
6461 // kludge follows to temporarily execute move on display, without promoting yet
6462 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
6463 boards[currentMove][toY][toX] = p;
6464 DrawPosition(FALSE, boards[currentMove]);
6465 boards[currentMove][fromY][fromX] = p; // take back, but display stays
6466 boards[currentMove][toY][toX] = q;
6467 DisplayMessage("Click in holdings to choose piece", "");
6472 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
6473 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
6474 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
6477 appData.animate = saveAnimate;
6478 if (appData.animate || appData.animateDragging) {
6479 /* Undo animation damage if needed */
6480 DrawPosition(FALSE, NULL);
6484 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
6485 { // front-end-free part taken out of PieceMenuPopup
6486 int whichMenu; int xSqr, ySqr;
6488 if(seekGraphUp) { // [HGM] seekgraph
6489 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
6490 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
6494 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
6495 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
6496 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
6497 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
6498 if(action == Press) {
6499 originalFlip = flipView;
6500 flipView = !flipView; // temporarily flip board to see game from partners perspective
6501 DrawPosition(TRUE, partnerBoard);
6502 DisplayMessage(partnerStatus, "");
6504 } else if(action == Release) {
6505 flipView = originalFlip;
6506 DrawPosition(TRUE, boards[currentMove]);
6512 xSqr = EventToSquare(x, BOARD_WIDTH);
6513 ySqr = EventToSquare(y, BOARD_HEIGHT);
6514 if (action == Release) UnLoadPV(); // [HGM] pv
6515 if (action != Press) return -2; // return code to be ignored
6518 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
\r
6520 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
\r
6521 if (xSqr < 0 || ySqr < 0) return -1;
\r
6522 whichMenu = 0; // edit-position menu
6525 if(!appData.icsEngineAnalyze) return -1;
6526 case IcsPlayingWhite:
6527 case IcsPlayingBlack:
6528 if(!appData.zippyPlay) goto noZip;
6531 case MachinePlaysWhite:
6532 case MachinePlaysBlack:
6533 case TwoMachinesPlay: // [HGM] pv: use for showing PV
6534 if (!appData.dropMenu) {
6536 return 2; // flag front-end to grab mouse events
6538 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
6539 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
6542 if (xSqr < 0 || ySqr < 0) return -1;
6543 if (!appData.dropMenu || appData.testLegality &&
6544 gameInfo.variant != VariantBughouse &&
6545 gameInfo.variant != VariantCrazyhouse) return -1;
6546 whichMenu = 1; // drop menu
6552 if (((*fromX = xSqr) < 0) ||
6553 ((*fromY = ySqr) < 0)) {
6554 *fromX = *fromY = -1;
6558 *fromX = BOARD_WIDTH - 1 - *fromX;
6560 *fromY = BOARD_HEIGHT - 1 - *fromY;
6565 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
6567 // char * hint = lastHint;
6568 FrontEndProgramStats stats;
6570 stats.which = cps == &first ? 0 : 1;
6571 stats.depth = cpstats->depth;
6572 stats.nodes = cpstats->nodes;
6573 stats.score = cpstats->score;
6574 stats.time = cpstats->time;
6575 stats.pv = cpstats->movelist;
6576 stats.hint = lastHint;
6577 stats.an_move_index = 0;
6578 stats.an_move_count = 0;
6580 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
6581 stats.hint = cpstats->move_name;
6582 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
6583 stats.an_move_count = cpstats->nr_moves;
6586 if(stats.pv && stats.pv[0]) strcpy(lastPV[stats.which], stats.pv); // [HGM] pv: remember last PV of each
6588 SetProgramStats( &stats );
6592 Adjudicate(ChessProgramState *cps)
6593 { // [HGM] some adjudications useful with buggy engines
6594 // [HGM] adjudicate: made into separate routine, which now can be called after every move
6595 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
6596 // Actually ending the game is now based on the additional internal condition canAdjudicate.
6597 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
6598 int k, count = 0; static int bare = 1;
6599 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
6600 Boolean canAdjudicate = !appData.icsActive;
6602 // most tests only when we understand the game, i.e. legality-checking on, and (for the time being) no piece drops
6603 if(gameInfo.holdingsSize == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6604 if( appData.testLegality )
6605 { /* [HGM] Some more adjudications for obstinate engines */
6606 int NrWN=0, NrBN=0, NrWB=0, NrBB=0, NrWR=0, NrBR=0,
6607 NrWQ=0, NrBQ=0, NrW=0, NrK=0, bishopsColor = 0,
6608 NrPieces=0, NrPawns=0, PawnAdvance=0, i, j;
6609 static int moveCount = 6;
6611 char *reason = NULL;
6613 /* Count what is on board. */
6614 for(i=0; i<BOARD_HEIGHT; i++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
6615 { ChessSquare p = boards[forwardMostMove][i][j];
6619 { /* count B,N,R and other of each side */
6622 NrK++; break; // [HGM] atomic: count Kings
6626 case WhiteFerz: // [HGM] shatranj: kludge to mke it work in shatranj
6627 bishopsColor |= 1 << ((i^j)&1);
6632 case BlackFerz: // [HGM] shatranj: kludge to mke it work in shatranj
6633 bishopsColor |= 1 << ((i^j)&1);
6648 PawnAdvance += m; NrPawns++;
6650 NrPieces += (p != EmptySquare);
6651 NrW += ((int)p < (int)BlackPawn);
6652 if(gameInfo.variant == VariantXiangqi &&
6653 (p == WhiteFerz || p == WhiteAlfil || p == BlackFerz || p == BlackAlfil)) {
6654 NrPieces--; // [HGM] XQ: do not count purely defensive pieces
6655 NrW -= ((int)p < (int)BlackPawn);
6659 /* Some material-based adjudications that have to be made before stalemate test */
6660 if(gameInfo.variant == VariantAtomic && NrK < 2) {
6661 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
6662 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
6663 if(canAdjudicate && appData.checkMates) {
6665 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6666 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6667 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
6668 "Xboard adjudication: King destroyed", GE_XBOARD );
6673 /* Bare King in Shatranj (loses) or Losers (wins) */
6674 if( NrW == 1 || NrPieces - NrW == 1) {
6675 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
6676 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
6677 if(canAdjudicate && appData.checkMates) {
6679 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
6680 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6681 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6682 "Xboard adjudication: Bare king", GE_XBOARD );
6686 if( gameInfo.variant == VariantShatranj && --bare < 0)
6688 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
6689 if(canAdjudicate && appData.checkMates) {
6690 /* but only adjudicate if adjudication enabled */
6692 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6693 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6694 GameEnds( NrW > 1 ? WhiteWins : NrPieces - NrW > 1 ? BlackWins : GameIsDrawn,
6695 "Xboard adjudication: Bare king", GE_XBOARD );
6702 // don't wait for engine to announce game end if we can judge ourselves
6703 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
6705 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
6706 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
6707 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
6708 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
6711 reason = "Xboard adjudication: 3rd check";
6712 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
6722 reason = "Xboard adjudication: Stalemate";
6723 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
6724 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
6725 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
6726 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
6727 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
6728 boards[forwardMostMove][EP_STATUS] = NrW == NrPieces-NrW ? EP_STALEMATE :
6729 ((NrW < NrPieces-NrW) != WhiteOnMove(forwardMostMove) ?
6730 EP_CHECKMATE : EP_WINS);
6731 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
6732 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
6736 reason = "Xboard adjudication: Checkmate";
6737 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
6741 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
6743 result = GameIsDrawn; break;
6745 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
6747 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
6749 result = (ChessMove) 0;
6751 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
6753 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6754 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6755 GameEnds( result, reason, GE_XBOARD );
6759 /* Next absolutely insufficient mating material. */
6760 if( NrPieces == 2 || gameInfo.variant != VariantXiangqi &&
6761 gameInfo.variant != VariantShatranj && // [HGM] baring will remain possible
6762 (NrPieces == 3 && NrWN+NrBN+NrWB+NrBB == 1 ||
6763 NrPieces == NrBB+NrWB+2 && bishopsColor != 3)) // [HGM] all Bishops (Ferz!) same color
6764 { /* KBK, KNK, KK of KBKB with like Bishops */
6766 /* always flag draws, for judging claims */
6767 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
6769 if(canAdjudicate && appData.materialDraws) {
6770 /* but only adjudicate them if adjudication enabled */
6771 if(engineOpponent) {
6772 SendToProgram("force\n", engineOpponent); // suppress reply
6773 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
6775 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6776 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
6781 /* Then some trivial draws (only adjudicate, cannot be claimed) */
6783 ( NrWR == 1 && NrBR == 1 /* KRKR */
6784 || NrWQ==1 && NrBQ==1 /* KQKQ */
6785 || NrWN==2 || NrBN==2 /* KNNK */
6786 || NrWN+NrWB == 1 && NrBN+NrBB == 1 /* KBKN, KBKB, KNKN */
6788 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
6789 { /* if the first 3 moves do not show a tactical win, declare draw */
6790 if(engineOpponent) {
6791 SendToProgram("force\n", engineOpponent); // suppress reply
6792 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6794 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6795 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
6798 } else moveCount = 6;
6802 if (appData.debugMode) { int i;
6803 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
6804 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
6805 appData.drawRepeats);
6806 for( i=forwardMostMove; i>=backwardMostMove; i-- )
6807 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
6811 // Repetition draws and 50-move rule can be applied independently of legality testing
6813 /* Check for rep-draws */
6815 for(k = forwardMostMove-2;
6816 k>=backwardMostMove && k>=forwardMostMove-100 &&
6817 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
6818 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
6821 if(CompareBoards(boards[k], boards[forwardMostMove])) {
6822 /* compare castling rights */
6823 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
6824 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
6825 rights++; /* King lost rights, while rook still had them */
6826 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
6827 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
6828 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
6829 rights++; /* but at least one rook lost them */
6831 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
6832 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
6834 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
6835 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
6836 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
6839 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
6840 && appData.drawRepeats > 1) {
6841 /* adjudicate after user-specified nr of repeats */
6842 int result = GameIsDrawn;
6843 char *details = "XBoard adjudication: repetition draw";
6844 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
6845 // [HGM] xiangqi: check for forbidden perpetuals
6846 int m, ourPerpetual = 1, hisPerpetual = 1;
6847 for(m=forwardMostMove; m>k; m-=2) {
6848 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
6849 ourPerpetual = 0; // the current mover did not always check
6850 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
6851 hisPerpetual = 0; // the opponent did not always check
6853 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
6854 ourPerpetual, hisPerpetual);
6855 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
6856 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
6857 details = "Xboard adjudication: perpetual checking";
6859 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
6860 break; // (or we would have caught him before). Abort repetition-checking loop.
6862 // Now check for perpetual chases
6863 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
6864 hisPerpetual = PerpetualChase(k, forwardMostMove);
6865 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
6866 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
6867 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
6868 details = "Xboard adjudication: perpetual chasing";
6870 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
6871 break; // Abort repetition-checking loop.
6873 // if neither of us is checking or chasing all the time, or both are, it is draw
6875 if(engineOpponent) {
6876 SendToProgram("force\n", engineOpponent); // suppress reply
6877 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6879 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6880 GameEnds( result, details, GE_XBOARD );
6883 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
6884 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
6888 /* Now we test for 50-move draws. Determine ply count */
6889 count = forwardMostMove;
6890 /* look for last irreversble move */
6891 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
6893 /* if we hit starting position, add initial plies */
6894 if( count == backwardMostMove )
6895 count -= initialRulePlies;
6896 count = forwardMostMove - count;
6898 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
6899 /* this is used to judge if draw claims are legal */
6900 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
6901 if(engineOpponent) {
6902 SendToProgram("force\n", engineOpponent); // suppress reply
6903 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6905 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6906 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
6910 /* if draw offer is pending, treat it as a draw claim
6911 * when draw condition present, to allow engines a way to
6912 * claim draws before making their move to avoid a race
6913 * condition occurring after their move
6915 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
6917 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
6918 p = "Draw claim: 50-move rule";
6919 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
6920 p = "Draw claim: 3-fold repetition";
6921 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
6922 p = "Draw claim: insufficient mating material";
6923 if( p != NULL && canAdjudicate) {
6924 if(engineOpponent) {
6925 SendToProgram("force\n", engineOpponent); // suppress reply
6926 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6928 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6929 GameEnds( GameIsDrawn, p, GE_XBOARD );
6934 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
6935 if(engineOpponent) {
6936 SendToProgram("force\n", engineOpponent); // suppress reply
6937 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6939 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6940 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
6946 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
6947 { // [HGM] book: this routine intercepts moves to simulate book replies
6948 char *bookHit = NULL;
6950 //first determine if the incoming move brings opponent into his book
6951 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
6952 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
6953 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
6954 if(bookHit != NULL && !cps->bookSuspend) {
6955 // make sure opponent is not going to reply after receiving move to book position
6956 SendToProgram("force\n", cps);
6957 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
6959 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
6960 // now arrange restart after book miss
6962 // after a book hit we never send 'go', and the code after the call to this routine
6963 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
6965 sprintf(buf, "%s%s\n", (cps->useUsermove ? "usermove " : ""), bookHit); // force book move into program supposed to play it
6966 SendToProgram(buf, cps);
6967 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
6968 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
6969 SendToProgram("go\n", cps);
6970 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
6971 } else { // 'go' might be sent based on 'firstMove' after this routine returns
6972 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
6973 SendToProgram("go\n", cps);
6974 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
6976 return bookHit; // notify caller of hit, so it can take action to send move to opponent
6980 ChessProgramState *savedState;
6981 void DeferredBookMove(void)
6983 if(savedState->lastPing != savedState->lastPong)
6984 ScheduleDelayedEvent(DeferredBookMove, 10);
6986 HandleMachineMove(savedMessage, savedState);
6990 HandleMachineMove(message, cps)
6992 ChessProgramState *cps;
6994 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
6995 char realname[MSG_SIZ];
6996 int fromX, fromY, toX, toY;
7005 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7007 * Kludge to ignore BEL characters
7009 while (*message == '\007') message++;
7012 * [HGM] engine debug message: ignore lines starting with '#' character
7014 if(cps->debug && *message == '#') return;
7017 * Look for book output
7019 if (cps == &first && bookRequested) {
7020 if (message[0] == '\t' || message[0] == ' ') {
7021 /* Part of the book output is here; append it */
7022 strcat(bookOutput, message);
7023 strcat(bookOutput, " \n");
7025 } else if (bookOutput[0] != NULLCHAR) {
7026 /* All of book output has arrived; display it */
7027 char *p = bookOutput;
7028 while (*p != NULLCHAR) {
7029 if (*p == '\t') *p = ' ';
7032 DisplayInformation(bookOutput);
7033 bookRequested = FALSE;
7034 /* Fall through to parse the current output */
7039 * Look for machine move.
7041 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7042 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7044 /* This method is only useful on engines that support ping */
7045 if (cps->lastPing != cps->lastPong) {
7046 if (gameMode == BeginningOfGame) {
7047 /* Extra move from before last new; ignore */
7048 if (appData.debugMode) {
7049 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7052 if (appData.debugMode) {
7053 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7054 cps->which, gameMode);
7057 SendToProgram("undo\n", cps);
7063 case BeginningOfGame:
7064 /* Extra move from before last reset; ignore */
7065 if (appData.debugMode) {
7066 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7073 /* Extra move after we tried to stop. The mode test is
7074 not a reliable way of detecting this problem, but it's
7075 the best we can do on engines that don't support ping.
7077 if (appData.debugMode) {
7078 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7079 cps->which, gameMode);
7081 SendToProgram("undo\n", cps);
7084 case MachinePlaysWhite:
7085 case IcsPlayingWhite:
7086 machineWhite = TRUE;
7089 case MachinePlaysBlack:
7090 case IcsPlayingBlack:
7091 machineWhite = FALSE;
7094 case TwoMachinesPlay:
7095 machineWhite = (cps->twoMachinesColor[0] == 'w');
7098 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7099 if (appData.debugMode) {
7101 "Ignoring move out of turn by %s, gameMode %d"
7102 ", forwardMost %d\n",
7103 cps->which, gameMode, forwardMostMove);
7108 if (appData.debugMode) { int f = forwardMostMove;
7109 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7110 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7111 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7113 if(cps->alphaRank) AlphaRank(machineMove, 4);
7114 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7115 &fromX, &fromY, &toX, &toY, &promoChar)) {
7116 /* Machine move could not be parsed; ignore it. */
7117 sprintf(buf1, _("Illegal move \"%s\" from %s machine"),
7118 machineMove, cps->which);
7119 DisplayError(buf1, 0);
7120 sprintf(buf1, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7121 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7122 if (gameMode == TwoMachinesPlay) {
7123 GameEnds(machineWhite ? BlackWins : WhiteWins,
7129 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7130 /* So we have to redo legality test with true e.p. status here, */
7131 /* to make sure an illegal e.p. capture does not slip through, */
7132 /* to cause a forfeit on a justified illegal-move complaint */
7133 /* of the opponent. */
7134 if( gameMode==TwoMachinesPlay && appData.testLegality
7135 && fromY != DROP_RANK /* [HGM] temporary; should still add legality test for drops */
7138 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7139 fromY, fromX, toY, toX, promoChar);
7140 if (appData.debugMode) {
7142 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7143 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7144 fprintf(debugFP, "castling rights\n");
7146 if(moveType == IllegalMove) {
7147 sprintf(buf1, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7148 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7149 GameEnds(machineWhite ? BlackWins : WhiteWins,
7152 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7153 /* [HGM] Kludge to handle engines that send FRC-style castling
7154 when they shouldn't (like TSCP-Gothic) */
7156 case WhiteASideCastleFR:
7157 case BlackASideCastleFR:
7159 currentMoveString[2]++;
7161 case WhiteHSideCastleFR:
7162 case BlackHSideCastleFR:
7164 currentMoveString[2]--;
7166 default: ; // nothing to do, but suppresses warning of pedantic compilers
7169 hintRequested = FALSE;
7170 lastHint[0] = NULLCHAR;
7171 bookRequested = FALSE;
7172 /* Program may be pondering now */
7173 cps->maybeThinking = TRUE;
7174 if (cps->sendTime == 2) cps->sendTime = 1;
7175 if (cps->offeredDraw) cps->offeredDraw--;
7177 /* currentMoveString is set as a side-effect of ParseOneMove */
7178 strcpy(machineMove, currentMoveString);
7179 strcat(machineMove, "\n");
7180 strcpy(moveList[forwardMostMove], machineMove);
7182 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7184 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7185 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7188 while( count < adjudicateLossPlies ) {
7189 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7192 score = -score; /* Flip score for winning side */
7195 if( score > adjudicateLossThreshold ) {
7202 if( count >= adjudicateLossPlies ) {
7203 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7205 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7206 "Xboard adjudication",
7213 if(Adjudicate(cps)) return; // [HGM] adjudicate: for all automatic game ends
7216 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7218 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7219 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7221 SendMoveToICS(moveType, fromX, fromY, toX, toY);
7223 SendMoveToICS(moveType, fromX, fromY, toX, toY);
7225 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
7226 char buf[3*MSG_SIZ];
7228 sprintf(buf, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
7229 programStats.score / 100.,
7231 programStats.time / 100.,
7232 (unsigned int)programStats.nodes,
7233 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
7234 programStats.movelist);
7236 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
7241 /* [AS] Save move info and clear stats for next move */
7242 pvInfoList[ forwardMostMove-1 ].score = programStats.score;
7243 pvInfoList[ forwardMostMove-1 ].depth = programStats.depth;
7244 pvInfoList[ forwardMostMove-1 ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7245 ClearProgramStats();
7246 thinkOutput[0] = NULLCHAR;
7247 hiddenThinkOutputState = 0;
7250 if (gameMode == TwoMachinesPlay) {
7251 /* [HGM] relaying draw offers moved to after reception of move */
7252 /* and interpreting offer as claim if it brings draw condition */
7253 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
7254 SendToProgram("draw\n", cps->other);
7256 if (cps->other->sendTime) {
7257 SendTimeRemaining(cps->other,
7258 cps->other->twoMachinesColor[0] == 'w');
7260 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
7261 if (firstMove && !bookHit) {
7263 if (cps->other->useColors) {
7264 SendToProgram(cps->other->twoMachinesColor, cps->other);
7266 SendToProgram("go\n", cps->other);
7268 cps->other->maybeThinking = TRUE;
7271 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7273 if (!pausing && appData.ringBellAfterMoves) {
7278 * Reenable menu items that were disabled while
7279 * machine was thinking
7281 if (gameMode != TwoMachinesPlay)
7282 SetUserThinkingEnables();
7284 // [HGM] book: after book hit opponent has received move and is now in force mode
7285 // force the book reply into it, and then fake that it outputted this move by jumping
7286 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
7288 static char bookMove[MSG_SIZ]; // a bit generous?
7290 strcpy(bookMove, "move ");
7291 strcat(bookMove, bookHit);
7294 programStats.nodes = programStats.depth = programStats.time =
7295 programStats.score = programStats.got_only_move = 0;
7296 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7298 if(cps->lastPing != cps->lastPong) {
7299 savedMessage = message; // args for deferred call
7301 ScheduleDelayedEvent(DeferredBookMove, 10);
7310 /* Set special modes for chess engines. Later something general
7311 * could be added here; for now there is just one kludge feature,
7312 * needed because Crafty 15.10 and earlier don't ignore SIGINT
7313 * when "xboard" is given as an interactive command.
7315 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
7316 cps->useSigint = FALSE;
7317 cps->useSigterm = FALSE;
7319 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
7320 ParseFeatures(message+8, cps);
7321 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
7324 /* [HGM] Allow engine to set up a position. Don't ask me why one would
7325 * want this, I was asked to put it in, and obliged.
7327 if (!strncmp(message, "setboard ", 9)) {
7328 Board initial_position;
7330 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
7332 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
7333 DisplayError(_("Bad FEN received from engine"), 0);
7337 CopyBoard(boards[0], initial_position);
7338 initialRulePlies = FENrulePlies;
7339 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
7340 else gameMode = MachinePlaysBlack;
7341 DrawPosition(FALSE, boards[currentMove]);
7347 * Look for communication commands
7349 if (!strncmp(message, "telluser ", 9)) {
7350 EscapeExpand(message+9, message+9); // [HGM] esc: allow escape sequences in popup box
7351 DisplayNote(message + 9);
7354 if (!strncmp(message, "tellusererror ", 14)) {
7356 EscapeExpand(message+14, message+14); // [HGM] esc: allow escape sequences in popup box
7357 DisplayError(message + 14, 0);
7360 if (!strncmp(message, "tellopponent ", 13)) {
7361 if (appData.icsActive) {
7363 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
7367 DisplayNote(message + 13);
7371 if (!strncmp(message, "tellothers ", 11)) {
7372 if (appData.icsActive) {
7374 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
7380 if (!strncmp(message, "tellall ", 8)) {
7381 if (appData.icsActive) {
7383 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
7387 DisplayNote(message + 8);
7391 if (strncmp(message, "warning", 7) == 0) {
7392 /* Undocumented feature, use tellusererror in new code */
7393 DisplayError(message, 0);
7396 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
7397 strcpy(realname, cps->tidy);
7398 strcat(realname, " query");
7399 AskQuestion(realname, buf2, buf1, cps->pr);
7402 /* Commands from the engine directly to ICS. We don't allow these to be
7403 * sent until we are logged on. Crafty kibitzes have been known to
7404 * interfere with the login process.
7407 if (!strncmp(message, "tellics ", 8)) {
7408 SendToICS(message + 8);
7412 if (!strncmp(message, "tellicsnoalias ", 15)) {
7413 SendToICS(ics_prefix);
7414 SendToICS(message + 15);
7418 /* The following are for backward compatibility only */
7419 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
7420 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
7421 SendToICS(ics_prefix);
7427 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
7431 * If the move is illegal, cancel it and redraw the board.
7432 * Also deal with other error cases. Matching is rather loose
7433 * here to accommodate engines written before the spec.
7435 if (strncmp(message + 1, "llegal move", 11) == 0 ||
7436 strncmp(message, "Error", 5) == 0) {
7437 if (StrStr(message, "name") ||
7438 StrStr(message, "rating") || StrStr(message, "?") ||
7439 StrStr(message, "result") || StrStr(message, "board") ||
7440 StrStr(message, "bk") || StrStr(message, "computer") ||
7441 StrStr(message, "variant") || StrStr(message, "hint") ||
7442 StrStr(message, "random") || StrStr(message, "depth") ||
7443 StrStr(message, "accepted")) {
7446 if (StrStr(message, "protover")) {
7447 /* Program is responding to input, so it's apparently done
7448 initializing, and this error message indicates it is
7449 protocol version 1. So we don't need to wait any longer
7450 for it to initialize and send feature commands. */
7451 FeatureDone(cps, 1);
7452 cps->protocolVersion = 1;
7455 cps->maybeThinking = FALSE;
7457 if (StrStr(message, "draw")) {
7458 /* Program doesn't have "draw" command */
7459 cps->sendDrawOffers = 0;
7462 if (cps->sendTime != 1 &&
7463 (StrStr(message, "time") || StrStr(message, "otim"))) {
7464 /* Program apparently doesn't have "time" or "otim" command */
7468 if (StrStr(message, "analyze")) {
7469 cps->analysisSupport = FALSE;
7470 cps->analyzing = FALSE;
7472 sprintf(buf2, _("%s does not support analysis"), cps->tidy);
7473 DisplayError(buf2, 0);
7476 if (StrStr(message, "(no matching move)st")) {
7477 /* Special kludge for GNU Chess 4 only */
7478 cps->stKludge = TRUE;
7479 SendTimeControl(cps, movesPerSession, timeControl,
7480 timeIncrement, appData.searchDepth,
7484 if (StrStr(message, "(no matching move)sd")) {
7485 /* Special kludge for GNU Chess 4 only */
7486 cps->sdKludge = TRUE;
7487 SendTimeControl(cps, movesPerSession, timeControl,
7488 timeIncrement, appData.searchDepth,
7492 if (!StrStr(message, "llegal")) {
7495 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7496 gameMode == IcsIdle) return;
7497 if (forwardMostMove <= backwardMostMove) return;
7498 if (pausing) PauseEvent();
7499 if(appData.forceIllegal) {
7500 // [HGM] illegal: machine refused move; force position after move into it
7501 SendToProgram("force\n", cps);
7502 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
7503 // we have a real problem now, as SendBoard will use the a2a3 kludge
7504 // when black is to move, while there might be nothing on a2 or black
7505 // might already have the move. So send the board as if white has the move.
7506 // But first we must change the stm of the engine, as it refused the last move
7507 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
7508 if(WhiteOnMove(forwardMostMove)) {
7509 SendToProgram("a7a6\n", cps); // for the engine black still had the move
7510 SendBoard(cps, forwardMostMove); // kludgeless board
7512 SendToProgram("a2a3\n", cps); // for the engine white still had the move
7513 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7514 SendBoard(cps, forwardMostMove+1); // kludgeless board
7516 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
7517 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
7518 gameMode == TwoMachinesPlay)
7519 SendToProgram("go\n", cps);
7522 if (gameMode == PlayFromGameFile) {
7523 /* Stop reading this game file */
7524 gameMode = EditGame;
7527 currentMove = forwardMostMove-1;
7528 DisplayMove(currentMove-1); /* before DisplayMoveError */
7529 SwitchClocks(forwardMostMove-1); // [HGM] race
7530 DisplayBothClocks();
7531 sprintf(buf1, _("Illegal move \"%s\" (rejected by %s chess program)"),
7532 parseList[currentMove], cps->which);
7533 DisplayMoveError(buf1);
7534 DrawPosition(FALSE, boards[currentMove]);
7536 /* [HGM] illegal-move claim should forfeit game when Xboard */
7537 /* only passes fully legal moves */
7538 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
7539 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
7540 "False illegal-move claim", GE_XBOARD );
7544 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
7545 /* Program has a broken "time" command that
7546 outputs a string not ending in newline.
7552 * If chess program startup fails, exit with an error message.
7553 * Attempts to recover here are futile.
7555 if ((StrStr(message, "unknown host") != NULL)
7556 || (StrStr(message, "No remote directory") != NULL)
7557 || (StrStr(message, "not found") != NULL)
7558 || (StrStr(message, "No such file") != NULL)
7559 || (StrStr(message, "can't alloc") != NULL)
7560 || (StrStr(message, "Permission denied") != NULL)) {
7562 cps->maybeThinking = FALSE;
7563 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
7564 cps->which, cps->program, cps->host, message);
7565 RemoveInputSource(cps->isr);
7566 DisplayFatalError(buf1, 0, 1);
7571 * Look for hint output
7573 if (sscanf(message, "Hint: %s", buf1) == 1) {
7574 if (cps == &first && hintRequested) {
7575 hintRequested = FALSE;
7576 if (ParseOneMove(buf1, forwardMostMove, &moveType,
7577 &fromX, &fromY, &toX, &toY, &promoChar)) {
7578 (void) CoordsToAlgebraic(boards[forwardMostMove],
7579 PosFlags(forwardMostMove),
7580 fromY, fromX, toY, toX, promoChar, buf1);
7581 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
7582 DisplayInformation(buf2);
7584 /* Hint move could not be parsed!? */
7585 snprintf(buf2, sizeof(buf2),
7586 _("Illegal hint move \"%s\"\nfrom %s chess program"),
7588 DisplayError(buf2, 0);
7591 strcpy(lastHint, buf1);
7597 * Ignore other messages if game is not in progress
7599 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7600 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
7603 * look for win, lose, draw, or draw offer
7605 if (strncmp(message, "1-0", 3) == 0) {
7606 char *p, *q, *r = "";
7607 p = strchr(message, '{');
7615 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
7617 } else if (strncmp(message, "0-1", 3) == 0) {
7618 char *p, *q, *r = "";
7619 p = strchr(message, '{');
7627 /* Kludge for Arasan 4.1 bug */
7628 if (strcmp(r, "Black resigns") == 0) {
7629 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
7632 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
7634 } else if (strncmp(message, "1/2", 3) == 0) {
7635 char *p, *q, *r = "";
7636 p = strchr(message, '{');
7645 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
7648 } else if (strncmp(message, "White resign", 12) == 0) {
7649 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7651 } else if (strncmp(message, "Black resign", 12) == 0) {
7652 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7654 } else if (strncmp(message, "White matches", 13) == 0 ||
7655 strncmp(message, "Black matches", 13) == 0 ) {
7656 /* [HGM] ignore GNUShogi noises */
7658 } else if (strncmp(message, "White", 5) == 0 &&
7659 message[5] != '(' &&
7660 StrStr(message, "Black") == NULL) {
7661 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7663 } else if (strncmp(message, "Black", 5) == 0 &&
7664 message[5] != '(') {
7665 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7667 } else if (strcmp(message, "resign") == 0 ||
7668 strcmp(message, "computer resigns") == 0) {
7670 case MachinePlaysBlack:
7671 case IcsPlayingBlack:
7672 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
7674 case MachinePlaysWhite:
7675 case IcsPlayingWhite:
7676 GameEnds(BlackWins, "White resigns", GE_ENGINE);
7678 case TwoMachinesPlay:
7679 if (cps->twoMachinesColor[0] == 'w')
7680 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7682 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7689 } else if (strncmp(message, "opponent mates", 14) == 0) {
7691 case MachinePlaysBlack:
7692 case IcsPlayingBlack:
7693 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7695 case MachinePlaysWhite:
7696 case IcsPlayingWhite:
7697 GameEnds(BlackWins, "Black mates", GE_ENGINE);
7699 case TwoMachinesPlay:
7700 if (cps->twoMachinesColor[0] == 'w')
7701 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7703 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7710 } else if (strncmp(message, "computer mates", 14) == 0) {
7712 case MachinePlaysBlack:
7713 case IcsPlayingBlack:
7714 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
7716 case MachinePlaysWhite:
7717 case IcsPlayingWhite:
7718 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7720 case TwoMachinesPlay:
7721 if (cps->twoMachinesColor[0] == 'w')
7722 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7724 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7731 } else if (strncmp(message, "checkmate", 9) == 0) {
7732 if (WhiteOnMove(forwardMostMove)) {
7733 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7735 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7738 } else if (strstr(message, "Draw") != NULL ||
7739 strstr(message, "game is a draw") != NULL) {
7740 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
7742 } else if (strstr(message, "offer") != NULL &&
7743 strstr(message, "draw") != NULL) {
7745 if (appData.zippyPlay && first.initDone) {
7746 /* Relay offer to ICS */
7747 SendToICS(ics_prefix);
7748 SendToICS("draw\n");
7751 cps->offeredDraw = 2; /* valid until this engine moves twice */
7752 if (gameMode == TwoMachinesPlay) {
7753 if (cps->other->offeredDraw) {
7754 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7755 /* [HGM] in two-machine mode we delay relaying draw offer */
7756 /* until after we also have move, to see if it is really claim */
7758 } else if (gameMode == MachinePlaysWhite ||
7759 gameMode == MachinePlaysBlack) {
7760 if (userOfferedDraw) {
7761 DisplayInformation(_("Machine accepts your draw offer"));
7762 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7764 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
7771 * Look for thinking output
7773 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
7774 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7776 int plylev, mvleft, mvtot, curscore, time;
7777 char mvname[MOVE_LEN];
7781 int prefixHint = FALSE;
7782 mvname[0] = NULLCHAR;
7785 case MachinePlaysBlack:
7786 case IcsPlayingBlack:
7787 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7789 case MachinePlaysWhite:
7790 case IcsPlayingWhite:
7791 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7796 case IcsObserving: /* [DM] icsEngineAnalyze */
7797 if (!appData.icsEngineAnalyze) ignore = TRUE;
7799 case TwoMachinesPlay:
7800 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
7810 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
7812 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7813 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
7815 if (plyext != ' ' && plyext != '\t') {
7819 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7820 if( cps->scoreIsAbsolute &&
7821 ( gameMode == MachinePlaysBlack ||
7822 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
7823 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
7824 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
7825 !WhiteOnMove(currentMove)
7828 curscore = -curscore;
7832 tempStats.depth = plylev;
7833 tempStats.nodes = nodes;
7834 tempStats.time = time;
7835 tempStats.score = curscore;
7836 tempStats.got_only_move = 0;
7838 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
7841 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
7842 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
7843 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
7844 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
7845 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
7846 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
7847 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
7848 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
7851 /* Buffer overflow protection */
7852 if (buf1[0] != NULLCHAR) {
7853 if (strlen(buf1) >= sizeof(tempStats.movelist)
7854 && appData.debugMode) {
7856 "PV is too long; using the first %u bytes.\n",
7857 (unsigned) sizeof(tempStats.movelist) - 1);
7860 safeStrCpy( tempStats.movelist, buf1, sizeof(tempStats.movelist) );
7862 sprintf(tempStats.movelist, " no PV\n");
7865 if (tempStats.seen_stat) {
7866 tempStats.ok_to_send = 1;
7869 if (strchr(tempStats.movelist, '(') != NULL) {
7870 tempStats.line_is_book = 1;
7871 tempStats.nr_moves = 0;
7872 tempStats.moves_left = 0;
7874 tempStats.line_is_book = 0;
7877 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
7878 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
7880 SendProgramStatsToFrontend( cps, &tempStats );
7883 [AS] Protect the thinkOutput buffer from overflow... this
7884 is only useful if buf1 hasn't overflowed first!
7886 sprintf(thinkOutput, "[%d]%c%+.2f %s%s",
7888 (gameMode == TwoMachinesPlay ?
7889 ToUpper(cps->twoMachinesColor[0]) : ' '),
7890 ((double) curscore) / 100.0,
7891 prefixHint ? lastHint : "",
7892 prefixHint ? " " : "" );
7894 if( buf1[0] != NULLCHAR ) {
7895 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
7897 if( strlen(buf1) > max_len ) {
7898 if( appData.debugMode) {
7899 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
7901 buf1[max_len+1] = '\0';
7904 strcat( thinkOutput, buf1 );
7907 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
7908 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7909 DisplayMove(currentMove - 1);
7913 } else if ((p=StrStr(message, "(only move)")) != NULL) {
7914 /* crafty (9.25+) says "(only move) <move>"
7915 * if there is only 1 legal move
7917 sscanf(p, "(only move) %s", buf1);
7918 sprintf(thinkOutput, "%s (only move)", buf1);
7919 sprintf(programStats.movelist, "%s (only move)", buf1);
7920 programStats.depth = 1;
7921 programStats.nr_moves = 1;
7922 programStats.moves_left = 1;
7923 programStats.nodes = 1;
7924 programStats.time = 1;
7925 programStats.got_only_move = 1;
7927 /* Not really, but we also use this member to
7928 mean "line isn't going to change" (Crafty
7929 isn't searching, so stats won't change) */
7930 programStats.line_is_book = 1;
7932 SendProgramStatsToFrontend( cps, &programStats );
7934 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
7935 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7936 DisplayMove(currentMove - 1);
7939 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
7940 &time, &nodes, &plylev, &mvleft,
7941 &mvtot, mvname) >= 5) {
7942 /* The stat01: line is from Crafty (9.29+) in response
7943 to the "." command */
7944 programStats.seen_stat = 1;
7945 cps->maybeThinking = TRUE;
7947 if (programStats.got_only_move || !appData.periodicUpdates)
7950 programStats.depth = plylev;
7951 programStats.time = time;
7952 programStats.nodes = nodes;
7953 programStats.moves_left = mvleft;
7954 programStats.nr_moves = mvtot;
7955 strcpy(programStats.move_name, mvname);
7956 programStats.ok_to_send = 1;
7957 programStats.movelist[0] = '\0';
7959 SendProgramStatsToFrontend( cps, &programStats );
7963 } else if (strncmp(message,"++",2) == 0) {
7964 /* Crafty 9.29+ outputs this */
7965 programStats.got_fail = 2;
7968 } else if (strncmp(message,"--",2) == 0) {
7969 /* Crafty 9.29+ outputs this */
7970 programStats.got_fail = 1;
7973 } else if (thinkOutput[0] != NULLCHAR &&
7974 strncmp(message, " ", 4) == 0) {
7975 unsigned message_len;
7978 while (*p && *p == ' ') p++;
7980 message_len = strlen( p );
7982 /* [AS] Avoid buffer overflow */
7983 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
7984 strcat(thinkOutput, " ");
7985 strcat(thinkOutput, p);
7988 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
7989 strcat(programStats.movelist, " ");
7990 strcat(programStats.movelist, p);
7993 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
7994 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7995 DisplayMove(currentMove - 1);
8003 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8004 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8006 ChessProgramStats cpstats;
8008 if (plyext != ' ' && plyext != '\t') {
8012 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8013 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8014 curscore = -curscore;
8017 cpstats.depth = plylev;
8018 cpstats.nodes = nodes;
8019 cpstats.time = time;
8020 cpstats.score = curscore;
8021 cpstats.got_only_move = 0;
8022 cpstats.movelist[0] = '\0';
8024 if (buf1[0] != NULLCHAR) {
8025 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist) );
8028 cpstats.ok_to_send = 0;
8029 cpstats.line_is_book = 0;
8030 cpstats.nr_moves = 0;
8031 cpstats.moves_left = 0;
8033 SendProgramStatsToFrontend( cps, &cpstats );
8040 /* Parse a game score from the character string "game", and
8041 record it as the history of the current game. The game
8042 score is NOT assumed to start from the standard position.
8043 The display is not updated in any way.
8046 ParseGameHistory(game)
8050 int fromX, fromY, toX, toY, boardIndex;
8055 if (appData.debugMode)
8056 fprintf(debugFP, "Parsing game history: %s\n", game);
8058 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8059 gameInfo.site = StrSave(appData.icsHost);
8060 gameInfo.date = PGNDate();
8061 gameInfo.round = StrSave("-");
8063 /* Parse out names of players */
8064 while (*game == ' ') game++;
8066 while (*game != ' ') *p++ = *game++;
8068 gameInfo.white = StrSave(buf);
8069 while (*game == ' ') game++;
8071 while (*game != ' ' && *game != '\n') *p++ = *game++;
8073 gameInfo.black = StrSave(buf);
8076 boardIndex = blackPlaysFirst ? 1 : 0;
8079 yyboardindex = boardIndex;
8080 moveType = (ChessMove) yylex();
8082 case IllegalMove: /* maybe suicide chess, etc. */
8083 if (appData.debugMode) {
8084 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8085 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8086 setbuf(debugFP, NULL);
8088 case WhitePromotionChancellor:
8089 case BlackPromotionChancellor:
8090 case WhitePromotionArchbishop:
8091 case BlackPromotionArchbishop:
8092 case WhitePromotionQueen:
8093 case BlackPromotionQueen:
8094 case WhitePromotionRook:
8095 case BlackPromotionRook:
8096 case WhitePromotionBishop:
8097 case BlackPromotionBishop:
8098 case WhitePromotionKnight:
8099 case BlackPromotionKnight:
8100 case WhitePromotionKing:
8101 case BlackPromotionKing:
8103 case WhiteCapturesEnPassant:
8104 case BlackCapturesEnPassant:
8105 case WhiteKingSideCastle:
8106 case WhiteQueenSideCastle:
8107 case BlackKingSideCastle:
8108 case BlackQueenSideCastle:
8109 case WhiteKingSideCastleWild:
8110 case WhiteQueenSideCastleWild:
8111 case BlackKingSideCastleWild:
8112 case BlackQueenSideCastleWild:
8114 case WhiteHSideCastleFR:
8115 case WhiteASideCastleFR:
8116 case BlackHSideCastleFR:
8117 case BlackASideCastleFR:
8119 fromX = currentMoveString[0] - AAA;
8120 fromY = currentMoveString[1] - ONE;
8121 toX = currentMoveString[2] - AAA;
8122 toY = currentMoveString[3] - ONE;
8123 promoChar = currentMoveString[4];
8127 fromX = moveType == WhiteDrop ?
8128 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8129 (int) CharToPiece(ToLower(currentMoveString[0]));
8131 toX = currentMoveString[2] - AAA;
8132 toY = currentMoveString[3] - ONE;
8133 promoChar = NULLCHAR;
8137 sprintf(buf, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8138 if (appData.debugMode) {
8139 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8140 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8141 setbuf(debugFP, NULL);
8143 DisplayError(buf, 0);
8145 case ImpossibleMove:
8147 sprintf(buf, _("Illegal move in ICS output: \"%s\""), yy_text);
8148 if (appData.debugMode) {
8149 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8150 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8151 setbuf(debugFP, NULL);
8153 DisplayError(buf, 0);
8155 case (ChessMove) 0: /* end of file */
8156 if (boardIndex < backwardMostMove) {
8157 /* Oops, gap. How did that happen? */
8158 DisplayError(_("Gap in move list"), 0);
8161 backwardMostMove = blackPlaysFirst ? 1 : 0;
8162 if (boardIndex > forwardMostMove) {
8163 forwardMostMove = boardIndex;
8167 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8168 strcat(parseList[boardIndex-1], " ");
8169 strcat(parseList[boardIndex-1], yy_text);
8181 case GameUnfinished:
8182 if (gameMode == IcsExamining) {
8183 if (boardIndex < backwardMostMove) {
8184 /* Oops, gap. How did that happen? */
8187 backwardMostMove = blackPlaysFirst ? 1 : 0;
8190 gameInfo.result = moveType;
8191 p = strchr(yy_text, '{');
8192 if (p == NULL) p = strchr(yy_text, '(');
8195 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8197 q = strchr(p, *p == '{' ? '}' : ')');
8198 if (q != NULL) *q = NULLCHAR;
8201 gameInfo.resultDetails = StrSave(p);
8204 if (boardIndex >= forwardMostMove &&
8205 !(gameMode == IcsObserving && ics_gamenum == -1)) {
8206 backwardMostMove = blackPlaysFirst ? 1 : 0;
8209 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
8210 fromY, fromX, toY, toX, promoChar,
8211 parseList[boardIndex]);
8212 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
8213 /* currentMoveString is set as a side-effect of yylex */
8214 strcpy(moveList[boardIndex], currentMoveString);
8215 strcat(moveList[boardIndex], "\n");
8217 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
8218 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
8224 if(gameInfo.variant != VariantShogi)
8225 strcat(parseList[boardIndex - 1], "+");
8229 strcat(parseList[boardIndex - 1], "#");
8236 /* Apply a move to the given board */
8238 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
8239 int fromX, fromY, toX, toY;
8243 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
8244 int promoRank = gameInfo.variant == VariantMakruk ? 3 : 1;
8246 /* [HGM] compute & store e.p. status and castling rights for new position */
8247 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
8250 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
8251 oldEP = (signed char)board[EP_STATUS];
8252 board[EP_STATUS] = EP_NONE;
8254 if( board[toY][toX] != EmptySquare )
8255 board[EP_STATUS] = EP_CAPTURE;
8257 if( board[fromY][fromX] == WhitePawn ) {
8258 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8259 board[EP_STATUS] = EP_PAWN_MOVE;
8261 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
8262 gameInfo.variant != VariantBerolina || toX < fromX)
8263 board[EP_STATUS] = toX | berolina;
8264 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
8265 gameInfo.variant != VariantBerolina || toX > fromX)
8266 board[EP_STATUS] = toX;
8269 if( board[fromY][fromX] == BlackPawn ) {
8270 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8271 board[EP_STATUS] = EP_PAWN_MOVE;
8272 if( toY-fromY== -2) {
8273 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
8274 gameInfo.variant != VariantBerolina || toX < fromX)
8275 board[EP_STATUS] = toX | berolina;
8276 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
8277 gameInfo.variant != VariantBerolina || toX > fromX)
8278 board[EP_STATUS] = toX;
8282 for(i=0; i<nrCastlingRights; i++) {
8283 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
8284 board[CASTLING][i] == toX && castlingRank[i] == toY
8285 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
8290 /* [HGM] In Shatranj and Courier all promotions are to Ferz */
8291 if((gameInfo.variant==VariantShatranj || gameInfo.variant==VariantCourier || gameInfo.variant == VariantMakruk)
8292 && promoChar != 0) promoChar = PieceToChar(WhiteFerz);
8294 if (fromX == toX && fromY == toY) return;
8296 if (fromY == DROP_RANK) {
8298 piece = board[toY][toX] = (ChessSquare) fromX;
8300 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
8301 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
8302 if(gameInfo.variant == VariantKnightmate)
8303 king += (int) WhiteUnicorn - (int) WhiteKing;
8305 /* Code added by Tord: */
8306 /* FRC castling assumed when king captures friendly rook. */
8307 if (board[fromY][fromX] == WhiteKing &&
8308 board[toY][toX] == WhiteRook) {
8309 board[fromY][fromX] = EmptySquare;
8310 board[toY][toX] = EmptySquare;
8312 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
8314 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
8316 } else if (board[fromY][fromX] == BlackKing &&
8317 board[toY][toX] == BlackRook) {
8318 board[fromY][fromX] = EmptySquare;
8319 board[toY][toX] = EmptySquare;
8321 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
8323 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
8325 /* End of code added by Tord */
8327 } else if (board[fromY][fromX] == king
8328 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8329 && toY == fromY && toX > fromX+1) {
8330 board[fromY][fromX] = EmptySquare;
8331 board[toY][toX] = king;
8332 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8333 board[fromY][BOARD_RGHT-1] = EmptySquare;
8334 } else if (board[fromY][fromX] == king
8335 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8336 && toY == fromY && toX < fromX-1) {
8337 board[fromY][fromX] = EmptySquare;
8338 board[toY][toX] = king;
8339 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8340 board[fromY][BOARD_LEFT] = EmptySquare;
8341 } else if (board[fromY][fromX] == WhitePawn
8342 && toY >= BOARD_HEIGHT-promoRank
8343 && gameInfo.variant != VariantXiangqi
8345 /* white pawn promotion */
8346 board[toY][toX] = CharToPiece(ToUpper(promoChar));
8347 if (board[toY][toX] == EmptySquare) {
8348 board[toY][toX] = WhiteQueen;
8350 if(gameInfo.variant==VariantBughouse ||
8351 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8352 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8353 board[fromY][fromX] = EmptySquare;
8354 } else if ((fromY == BOARD_HEIGHT-4)
8356 && gameInfo.variant != VariantXiangqi
8357 && gameInfo.variant != VariantBerolina
8358 && (board[fromY][fromX] == WhitePawn)
8359 && (board[toY][toX] == EmptySquare)) {
8360 board[fromY][fromX] = EmptySquare;
8361 board[toY][toX] = WhitePawn;
8362 captured = board[toY - 1][toX];
8363 board[toY - 1][toX] = EmptySquare;
8364 } else if ((fromY == BOARD_HEIGHT-4)
8366 && gameInfo.variant == VariantBerolina
8367 && (board[fromY][fromX] == WhitePawn)
8368 && (board[toY][toX] == EmptySquare)) {
8369 board[fromY][fromX] = EmptySquare;
8370 board[toY][toX] = WhitePawn;
8371 if(oldEP & EP_BEROLIN_A) {
8372 captured = board[fromY][fromX-1];
8373 board[fromY][fromX-1] = EmptySquare;
8374 }else{ captured = board[fromY][fromX+1];
8375 board[fromY][fromX+1] = EmptySquare;
8377 } else if (board[fromY][fromX] == king
8378 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8379 && toY == fromY && toX > fromX+1) {
8380 board[fromY][fromX] = EmptySquare;
8381 board[toY][toX] = king;
8382 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8383 board[fromY][BOARD_RGHT-1] = EmptySquare;
8384 } else if (board[fromY][fromX] == king
8385 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8386 && toY == fromY && toX < fromX-1) {
8387 board[fromY][fromX] = EmptySquare;
8388 board[toY][toX] = king;
8389 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8390 board[fromY][BOARD_LEFT] = EmptySquare;
8391 } else if (fromY == 7 && fromX == 3
8392 && board[fromY][fromX] == BlackKing
8393 && toY == 7 && toX == 5) {
8394 board[fromY][fromX] = EmptySquare;
8395 board[toY][toX] = BlackKing;
8396 board[fromY][7] = EmptySquare;
8397 board[toY][4] = BlackRook;
8398 } else if (fromY == 7 && fromX == 3
8399 && board[fromY][fromX] == BlackKing
8400 && toY == 7 && toX == 1) {
8401 board[fromY][fromX] = EmptySquare;
8402 board[toY][toX] = BlackKing;
8403 board[fromY][0] = EmptySquare;
8404 board[toY][2] = BlackRook;
8405 } else if (board[fromY][fromX] == BlackPawn
8407 && gameInfo.variant != VariantXiangqi
8409 /* black pawn promotion */
8410 board[toY][toX] = CharToPiece(ToLower(promoChar));
8411 if (board[toY][toX] == EmptySquare) {
8412 board[toY][toX] = BlackQueen;
8414 if(gameInfo.variant==VariantBughouse ||
8415 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8416 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8417 board[fromY][fromX] = EmptySquare;
8418 } else if ((fromY == 3)
8420 && gameInfo.variant != VariantXiangqi
8421 && gameInfo.variant != VariantBerolina
8422 && (board[fromY][fromX] == BlackPawn)
8423 && (board[toY][toX] == EmptySquare)) {
8424 board[fromY][fromX] = EmptySquare;
8425 board[toY][toX] = BlackPawn;
8426 captured = board[toY + 1][toX];
8427 board[toY + 1][toX] = EmptySquare;
8428 } else if ((fromY == 3)
8430 && gameInfo.variant == VariantBerolina
8431 && (board[fromY][fromX] == BlackPawn)
8432 && (board[toY][toX] == EmptySquare)) {
8433 board[fromY][fromX] = EmptySquare;
8434 board[toY][toX] = BlackPawn;
8435 if(oldEP & EP_BEROLIN_A) {
8436 captured = board[fromY][fromX-1];
8437 board[fromY][fromX-1] = EmptySquare;
8438 }else{ captured = board[fromY][fromX+1];
8439 board[fromY][fromX+1] = EmptySquare;
8442 board[toY][toX] = board[fromY][fromX];
8443 board[fromY][fromX] = EmptySquare;
8446 /* [HGM] now we promote for Shogi, if needed */
8447 if(gameInfo.variant == VariantShogi && promoChar == 'q')
8448 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8451 if (gameInfo.holdingsWidth != 0) {
8453 /* !!A lot more code needs to be written to support holdings */
8454 /* [HGM] OK, so I have written it. Holdings are stored in the */
8455 /* penultimate board files, so they are automaticlly stored */
8456 /* in the game history. */
8457 if (fromY == DROP_RANK) {
8458 /* Delete from holdings, by decreasing count */
8459 /* and erasing image if necessary */
8461 if(p < (int) BlackPawn) { /* white drop */
8462 p -= (int)WhitePawn;
8463 p = PieceToNumber((ChessSquare)p);
8464 if(p >= gameInfo.holdingsSize) p = 0;
8465 if(--board[p][BOARD_WIDTH-2] <= 0)
8466 board[p][BOARD_WIDTH-1] = EmptySquare;
8467 if((int)board[p][BOARD_WIDTH-2] < 0)
8468 board[p][BOARD_WIDTH-2] = 0;
8469 } else { /* black drop */
8470 p -= (int)BlackPawn;
8471 p = PieceToNumber((ChessSquare)p);
8472 if(p >= gameInfo.holdingsSize) p = 0;
8473 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
8474 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
8475 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
8476 board[BOARD_HEIGHT-1-p][1] = 0;
8479 if (captured != EmptySquare && gameInfo.holdingsSize > 0
8480 && gameInfo.variant != VariantBughouse ) {
8481 /* [HGM] holdings: Add to holdings, if holdings exist */
8482 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
8483 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
8484 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
8487 if (p >= (int) BlackPawn) {
8488 p -= (int)BlackPawn;
8489 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8490 /* in Shogi restore piece to its original first */
8491 captured = (ChessSquare) (DEMOTED captured);
8494 p = PieceToNumber((ChessSquare)p);
8495 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
8496 board[p][BOARD_WIDTH-2]++;
8497 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
8499 p -= (int)WhitePawn;
8500 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8501 captured = (ChessSquare) (DEMOTED captured);
8504 p = PieceToNumber((ChessSquare)p);
8505 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
8506 board[BOARD_HEIGHT-1-p][1]++;
8507 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
8510 } else if (gameInfo.variant == VariantAtomic) {
8511 if (captured != EmptySquare) {
8513 for (y = toY-1; y <= toY+1; y++) {
8514 for (x = toX-1; x <= toX+1; x++) {
8515 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
8516 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
8517 board[y][x] = EmptySquare;
8521 board[toY][toX] = EmptySquare;
8524 if(gameInfo.variant == VariantShogi && promoChar != NULLCHAR && promoChar != '=') {
8525 /* [HGM] Shogi promotions */
8526 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8529 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8530 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
8531 // [HGM] superchess: take promotion piece out of holdings
8532 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
8533 if((int)piece < (int)BlackPawn) { // determine stm from piece color
8534 if(!--board[k][BOARD_WIDTH-2])
8535 board[k][BOARD_WIDTH-1] = EmptySquare;
8537 if(!--board[BOARD_HEIGHT-1-k][1])
8538 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
8544 /* Updates forwardMostMove */
8546 MakeMove(fromX, fromY, toX, toY, promoChar)
8547 int fromX, fromY, toX, toY;
8550 // forwardMostMove++; // [HGM] bare: moved downstream
8552 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
8553 int timeLeft; static int lastLoadFlag=0; int king, piece;
8554 piece = boards[forwardMostMove][fromY][fromX];
8555 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
8556 if(gameInfo.variant == VariantKnightmate)
8557 king += (int) WhiteUnicorn - (int) WhiteKing;
8558 if(forwardMostMove == 0) {
8560 fprintf(serverMoves, "%s;", second.tidy);
8561 fprintf(serverMoves, "%s;", first.tidy);
8562 if(!blackPlaysFirst)
8563 fprintf(serverMoves, "%s;", second.tidy);
8564 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
8565 lastLoadFlag = loadFlag;
8567 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
8568 // print castling suffix
8569 if( toY == fromY && piece == king ) {
8571 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
8573 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
8576 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
8577 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
8578 boards[forwardMostMove][toY][toX] == EmptySquare
8580 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
8582 if(promoChar != NULLCHAR)
8583 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
8585 fprintf(serverMoves, "/%d/%d",
8586 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
8587 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
8588 else timeLeft = blackTimeRemaining/1000;
8589 fprintf(serverMoves, "/%d", timeLeft);
8591 fflush(serverMoves);
8594 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
8595 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
8599 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
8600 if (commentList[forwardMostMove+1] != NULL) {
8601 free(commentList[forwardMostMove+1]);
8602 commentList[forwardMostMove+1] = NULL;
8604 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8605 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
8606 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
8607 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
8608 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
8609 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
8610 gameInfo.result = GameUnfinished;
8611 if (gameInfo.resultDetails != NULL) {
8612 free(gameInfo.resultDetails);
8613 gameInfo.resultDetails = NULL;
8615 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
8616 moveList[forwardMostMove - 1]);
8617 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
8618 PosFlags(forwardMostMove - 1),
8619 fromY, fromX, toY, toX, promoChar,
8620 parseList[forwardMostMove - 1]);
8621 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8627 if(gameInfo.variant != VariantShogi)
8628 strcat(parseList[forwardMostMove - 1], "+");
8632 strcat(parseList[forwardMostMove - 1], "#");
8635 if (appData.debugMode) {
8636 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
8641 /* Updates currentMove if not pausing */
8643 ShowMove(fromX, fromY, toX, toY)
8645 int instant = (gameMode == PlayFromGameFile) ?
8646 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
8647 if(appData.noGUI) return;
8648 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
8650 if (forwardMostMove == currentMove + 1) {
8651 AnimateMove(boards[forwardMostMove - 1],
8652 fromX, fromY, toX, toY);
8654 if (appData.highlightLastMove) {
8655 SetHighlights(fromX, fromY, toX, toY);
8658 currentMove = forwardMostMove;
8661 if (instant) return;
8663 DisplayMove(currentMove - 1);
8664 DrawPosition(FALSE, boards[currentMove]);
8665 DisplayBothClocks();
8666 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
8669 void SendEgtPath(ChessProgramState *cps)
8670 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
8671 char buf[MSG_SIZ], name[MSG_SIZ], *p;
8673 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
8676 char c, *q = name+1, *r, *s;
8678 name[0] = ','; // extract next format name from feature and copy with prefixed ','
8679 while(*p && *p != ',') *q++ = *p++;
8681 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
8682 strcmp(name, ",nalimov:") == 0 ) {
8683 // take nalimov path from the menu-changeable option first, if it is defined
8684 sprintf(buf, "egtpath nalimov %s\n", appData.defaultPathEGTB);
8685 SendToProgram(buf,cps); // send egtbpath command for nalimov
8687 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
8688 (s = StrStr(appData.egtFormats, name)) != NULL) {
8689 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
8690 s = r = StrStr(s, ":") + 1; // beginning of path info
8691 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
8692 c = *r; *r = 0; // temporarily null-terminate path info
8693 *--q = 0; // strip of trailig ':' from name
8694 sprintf(buf, "egtpath %s %s\n", name+1, s);
8696 SendToProgram(buf,cps); // send egtbpath command for this format
8698 if(*p == ',') p++; // read away comma to position for next format name
8703 InitChessProgram(cps, setup)
8704 ChessProgramState *cps;
8705 int setup; /* [HGM] needed to setup FRC opening position */
8707 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
8708 if (appData.noChessProgram) return;
8709 hintRequested = FALSE;
8710 bookRequested = FALSE;
8712 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
8713 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
8714 if(cps->memSize) { /* [HGM] memory */
8715 sprintf(buf, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
8716 SendToProgram(buf, cps);
8718 SendEgtPath(cps); /* [HGM] EGT */
8719 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
8720 sprintf(buf, "cores %d\n", appData.smpCores);
8721 SendToProgram(buf, cps);
8724 SendToProgram(cps->initString, cps);
8725 if (gameInfo.variant != VariantNormal &&
8726 gameInfo.variant != VariantLoadable
8727 /* [HGM] also send variant if board size non-standard */
8728 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
8730 char *v = VariantName(gameInfo.variant);
8731 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
8732 /* [HGM] in protocol 1 we have to assume all variants valid */
8733 sprintf(buf, _("Variant %s not supported by %s"), v, cps->tidy);
8734 DisplayFatalError(buf, 0, 1);
8738 /* [HGM] make prefix for non-standard board size. Awkward testing... */
8739 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8740 if( gameInfo.variant == VariantXiangqi )
8741 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
8742 if( gameInfo.variant == VariantShogi )
8743 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
8744 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
8745 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
8746 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
8747 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
8748 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8749 if( gameInfo.variant == VariantCourier )
8750 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8751 if( gameInfo.variant == VariantSuper )
8752 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8753 if( gameInfo.variant == VariantGreat )
8754 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8757 sprintf(b, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
8758 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
8759 /* [HGM] varsize: try first if this defiant size variant is specifically known */
8760 if(StrStr(cps->variants, b) == NULL) {
8761 // specific sized variant not known, check if general sizing allowed
8762 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
8763 if(StrStr(cps->variants, "boardsize") == NULL) {
8764 sprintf(buf, "Board size %dx%d+%d not supported by %s",
8765 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
8766 DisplayFatalError(buf, 0, 1);
8769 /* [HGM] here we really should compare with the maximum supported board size */
8772 } else sprintf(b, "%s", VariantName(gameInfo.variant));
8773 sprintf(buf, "variant %s\n", b);
8774 SendToProgram(buf, cps);
8776 currentlyInitializedVariant = gameInfo.variant;
8778 /* [HGM] send opening position in FRC to first engine */
8780 SendToProgram("force\n", cps);
8782 /* engine is now in force mode! Set flag to wake it up after first move. */
8783 setboardSpoiledMachineBlack = 1;
8787 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
8788 SendToProgram(buf, cps);
8790 cps->maybeThinking = FALSE;
8791 cps->offeredDraw = 0;
8792 if (!appData.icsActive) {
8793 SendTimeControl(cps, movesPerSession, timeControl,
8794 timeIncrement, appData.searchDepth,
8797 if (appData.showThinking
8798 // [HGM] thinking: four options require thinking output to be sent
8799 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8801 SendToProgram("post\n", cps);
8803 SendToProgram("hard\n", cps);
8804 if (!appData.ponderNextMove) {
8805 /* Warning: "easy" is a toggle in GNU Chess, so don't send
8806 it without being sure what state we are in first. "hard"
8807 is not a toggle, so that one is OK.
8809 SendToProgram("easy\n", cps);
8812 sprintf(buf, "ping %d\n", ++cps->lastPing);
8813 SendToProgram(buf, cps);
8815 cps->initDone = TRUE;
8820 StartChessProgram(cps)
8821 ChessProgramState *cps;
8826 if (appData.noChessProgram) return;
8827 cps->initDone = FALSE;
8829 if (strcmp(cps->host, "localhost") == 0) {
8830 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
8831 } else if (*appData.remoteShell == NULLCHAR) {
8832 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
8834 if (*appData.remoteUser == NULLCHAR) {
8835 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
8838 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
8839 cps->host, appData.remoteUser, cps->program);
8841 err = StartChildProcess(buf, "", &cps->pr);
8845 sprintf(buf, _("Startup failure on '%s'"), cps->program);
8846 DisplayFatalError(buf, err, 1);
8852 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
8853 if (cps->protocolVersion > 1) {
8854 sprintf(buf, "xboard\nprotover %d\n", cps->protocolVersion);
8855 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
8856 cps->comboCnt = 0; // and values of combo boxes
8857 SendToProgram(buf, cps);
8859 SendToProgram("xboard\n", cps);
8865 TwoMachinesEventIfReady P((void))
8867 if (first.lastPing != first.lastPong) {
8868 DisplayMessage("", _("Waiting for first chess program"));
8869 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8872 if (second.lastPing != second.lastPong) {
8873 DisplayMessage("", _("Waiting for second chess program"));
8874 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8882 NextMatchGame P((void))
8884 int index; /* [HGM] autoinc: step load index during match */
8886 if (*appData.loadGameFile != NULLCHAR) {
8887 index = appData.loadGameIndex;
8888 if(index < 0) { // [HGM] autoinc
8889 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8890 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8892 LoadGameFromFile(appData.loadGameFile,
8894 appData.loadGameFile, FALSE);
8895 } else if (*appData.loadPositionFile != NULLCHAR) {
8896 index = appData.loadPositionIndex;
8897 if(index < 0) { // [HGM] autoinc
8898 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8899 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8901 LoadPositionFromFile(appData.loadPositionFile,
8903 appData.loadPositionFile);
8905 TwoMachinesEventIfReady();
8908 void UserAdjudicationEvent( int result )
8910 ChessMove gameResult = GameIsDrawn;
8913 gameResult = WhiteWins;
8915 else if( result < 0 ) {
8916 gameResult = BlackWins;
8919 if( gameMode == TwoMachinesPlay ) {
8920 GameEnds( gameResult, "User adjudication", GE_XBOARD );
8925 // [HGM] save: calculate checksum of game to make games easily identifiable
8926 int StringCheckSum(char *s)
8929 if(s==NULL) return 0;
8930 while(*s) i = i*259 + *s++;
8937 for(i=backwardMostMove; i<forwardMostMove; i++) {
8938 sum += pvInfoList[i].depth;
8939 sum += StringCheckSum(parseList[i]);
8940 sum += StringCheckSum(commentList[i]);
8943 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
8944 return sum + StringCheckSum(commentList[i]);
8945 } // end of save patch
8948 GameEnds(result, resultDetails, whosays)
8950 char *resultDetails;
8953 GameMode nextGameMode;
8957 if(endingGame) return; /* [HGM] crash: forbid recursion */
8959 if(twoBoards) { // [HGM] dual: switch back to one board
8960 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
8961 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
8963 if (appData.debugMode) {
8964 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
8965 result, resultDetails ? resultDetails : "(null)", whosays);
8968 fromX = fromY = -1; // [HGM] abort any move the user is entering.
8970 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
8971 /* If we are playing on ICS, the server decides when the
8972 game is over, but the engine can offer to draw, claim
8976 if (appData.zippyPlay && first.initDone) {
8977 if (result == GameIsDrawn) {
8978 /* In case draw still needs to be claimed */
8979 SendToICS(ics_prefix);
8980 SendToICS("draw\n");
8981 } else if (StrCaseStr(resultDetails, "resign")) {
8982 SendToICS(ics_prefix);
8983 SendToICS("resign\n");
8987 endingGame = 0; /* [HGM] crash */
8991 /* If we're loading the game from a file, stop */
8992 if (whosays == GE_FILE) {
8993 (void) StopLoadGameTimer();
8997 /* Cancel draw offers */
8998 first.offeredDraw = second.offeredDraw = 0;
9000 /* If this is an ICS game, only ICS can really say it's done;
9001 if not, anyone can. */
9002 isIcsGame = (gameMode == IcsPlayingWhite ||
9003 gameMode == IcsPlayingBlack ||
9004 gameMode == IcsObserving ||
9005 gameMode == IcsExamining);
9007 if (!isIcsGame || whosays == GE_ICS) {
9008 /* OK -- not an ICS game, or ICS said it was done */
9010 if (!isIcsGame && !appData.noChessProgram)
9011 SetUserThinkingEnables();
9013 /* [HGM] if a machine claims the game end we verify this claim */
9014 if(gameMode == TwoMachinesPlay && appData.testClaims) {
9015 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
9017 ChessMove trueResult = (ChessMove) -1;
9019 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
9020 first.twoMachinesColor[0] :
9021 second.twoMachinesColor[0] ;
9023 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
9024 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
9025 /* [HGM] verify: engine mate claims accepted if they were flagged */
9026 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
9028 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
9029 /* [HGM] verify: engine mate claims accepted if they were flagged */
9030 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
9032 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
9033 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
9036 // now verify win claims, but not in drop games, as we don't understand those yet
9037 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
9038 || gameInfo.variant == VariantGreat) &&
9039 (result == WhiteWins && claimer == 'w' ||
9040 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
9041 if (appData.debugMode) {
9042 fprintf(debugFP, "result=%d sp=%d move=%d\n",
9043 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
9045 if(result != trueResult) {
9046 sprintf(buf, "False win claim: '%s'", resultDetails);
9047 result = claimer == 'w' ? BlackWins : WhiteWins;
9048 resultDetails = buf;
9051 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
9052 && (forwardMostMove <= backwardMostMove ||
9053 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
9054 (claimer=='b')==(forwardMostMove&1))
9056 /* [HGM] verify: draws that were not flagged are false claims */
9057 sprintf(buf, "False draw claim: '%s'", resultDetails);
9058 result = claimer == 'w' ? BlackWins : WhiteWins;
9059 resultDetails = buf;
9061 /* (Claiming a loss is accepted no questions asked!) */
9063 /* [HGM] bare: don't allow bare King to win */
9064 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
9065 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
9066 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
9067 && result != GameIsDrawn)
9068 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
9069 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
9070 int p = (signed char)boards[forwardMostMove][i][j] - color;
9071 if(p >= 0 && p <= (int)WhiteKing) k++;
9073 if (appData.debugMode) {
9074 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
9075 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
9078 result = GameIsDrawn;
9079 sprintf(buf, "%s but bare king", resultDetails);
9080 resultDetails = buf;
9086 if(serverMoves != NULL && !loadFlag) { char c = '=';
9087 if(result==WhiteWins) c = '+';
9088 if(result==BlackWins) c = '-';
9089 if(resultDetails != NULL)
9090 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
9092 if (resultDetails != NULL) {
9093 gameInfo.result = result;
9094 gameInfo.resultDetails = StrSave(resultDetails);
9096 /* display last move only if game was not loaded from file */
9097 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
9098 DisplayMove(currentMove - 1);
9100 if (forwardMostMove != 0) {
9101 if (gameMode != PlayFromGameFile && gameMode != EditGame
9102 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
9104 if (*appData.saveGameFile != NULLCHAR) {
9105 SaveGameToFile(appData.saveGameFile, TRUE);
9106 } else if (appData.autoSaveGames) {
9109 if (*appData.savePositionFile != NULLCHAR) {
9110 SavePositionToFile(appData.savePositionFile);
9115 /* Tell program how game ended in case it is learning */
9116 /* [HGM] Moved this to after saving the PGN, just in case */
9117 /* engine died and we got here through time loss. In that */
9118 /* case we will get a fatal error writing the pipe, which */
9119 /* would otherwise lose us the PGN. */
9120 /* [HGM] crash: not needed anymore, but doesn't hurt; */
9121 /* output during GameEnds should never be fatal anymore */
9122 if (gameMode == MachinePlaysWhite ||
9123 gameMode == MachinePlaysBlack ||
9124 gameMode == TwoMachinesPlay ||
9125 gameMode == IcsPlayingWhite ||
9126 gameMode == IcsPlayingBlack ||
9127 gameMode == BeginningOfGame) {
9129 sprintf(buf, "result %s {%s}\n", PGNResult(result),
9131 if (first.pr != NoProc) {
9132 SendToProgram(buf, &first);
9134 if (second.pr != NoProc &&
9135 gameMode == TwoMachinesPlay) {
9136 SendToProgram(buf, &second);
9141 if (appData.icsActive) {
9142 if (appData.quietPlay &&
9143 (gameMode == IcsPlayingWhite ||
9144 gameMode == IcsPlayingBlack)) {
9145 SendToICS(ics_prefix);
9146 SendToICS("set shout 1\n");
9148 nextGameMode = IcsIdle;
9149 ics_user_moved = FALSE;
9150 /* clean up premove. It's ugly when the game has ended and the
9151 * premove highlights are still on the board.
9155 ClearPremoveHighlights();
9156 DrawPosition(FALSE, boards[currentMove]);
9158 if (whosays == GE_ICS) {
9161 if (gameMode == IcsPlayingWhite)
9163 else if(gameMode == IcsPlayingBlack)
9167 if (gameMode == IcsPlayingBlack)
9169 else if(gameMode == IcsPlayingWhite)
9176 PlayIcsUnfinishedSound();
9179 } else if (gameMode == EditGame ||
9180 gameMode == PlayFromGameFile ||
9181 gameMode == AnalyzeMode ||
9182 gameMode == AnalyzeFile) {
9183 nextGameMode = gameMode;
9185 nextGameMode = EndOfGame;
9190 nextGameMode = gameMode;
9193 if (appData.noChessProgram) {
9194 gameMode = nextGameMode;
9196 endingGame = 0; /* [HGM] crash */
9201 /* Put first chess program into idle state */
9202 if (first.pr != NoProc &&
9203 (gameMode == MachinePlaysWhite ||
9204 gameMode == MachinePlaysBlack ||
9205 gameMode == TwoMachinesPlay ||
9206 gameMode == IcsPlayingWhite ||
9207 gameMode == IcsPlayingBlack ||
9208 gameMode == BeginningOfGame)) {
9209 SendToProgram("force\n", &first);
9210 if (first.usePing) {
9212 sprintf(buf, "ping %d\n", ++first.lastPing);
9213 SendToProgram(buf, &first);
9216 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9217 /* Kill off first chess program */
9218 if (first.isr != NULL)
9219 RemoveInputSource(first.isr);
9222 if (first.pr != NoProc) {
9224 DoSleep( appData.delayBeforeQuit );
9225 SendToProgram("quit\n", &first);
9226 DoSleep( appData.delayAfterQuit );
9227 DestroyChildProcess(first.pr, first.useSigterm);
9232 /* Put second chess program into idle state */
9233 if (second.pr != NoProc &&
9234 gameMode == TwoMachinesPlay) {
9235 SendToProgram("force\n", &second);
9236 if (second.usePing) {
9238 sprintf(buf, "ping %d\n", ++second.lastPing);
9239 SendToProgram(buf, &second);
9242 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9243 /* Kill off second chess program */
9244 if (second.isr != NULL)
9245 RemoveInputSource(second.isr);
9248 if (second.pr != NoProc) {
9249 DoSleep( appData.delayBeforeQuit );
9250 SendToProgram("quit\n", &second);
9251 DoSleep( appData.delayAfterQuit );
9252 DestroyChildProcess(second.pr, second.useSigterm);
9257 if (matchMode && gameMode == TwoMachinesPlay) {
9260 if (first.twoMachinesColor[0] == 'w') {
9267 if (first.twoMachinesColor[0] == 'b') {
9276 if (matchGame < appData.matchGames) {
9278 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
9279 tmp = first.twoMachinesColor;
9280 first.twoMachinesColor = second.twoMachinesColor;
9281 second.twoMachinesColor = tmp;
9283 gameMode = nextGameMode;
9285 if(appData.matchPause>10000 || appData.matchPause<10)
9286 appData.matchPause = 10000; /* [HGM] make pause adjustable */
9287 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
9288 endingGame = 0; /* [HGM] crash */
9292 gameMode = nextGameMode;
9293 sprintf(buf, _("Match %s vs. %s: final score %d-%d-%d"),
9294 first.tidy, second.tidy,
9295 first.matchWins, second.matchWins,
9296 appData.matchGames - (first.matchWins + second.matchWins));
9297 DisplayFatalError(buf, 0, 0);
9300 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
9301 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
9303 gameMode = nextGameMode;
9305 endingGame = 0; /* [HGM] crash */
9308 /* Assumes program was just initialized (initString sent).
9309 Leaves program in force mode. */
9311 FeedMovesToProgram(cps, upto)
9312 ChessProgramState *cps;
9317 if (appData.debugMode)
9318 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
9319 startedFromSetupPosition ? "position and " : "",
9320 backwardMostMove, upto, cps->which);
9321 if(currentlyInitializedVariant != gameInfo.variant) { char buf[MSG_SIZ];
9322 // [HGM] variantswitch: make engine aware of new variant
9323 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
9324 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
9325 sprintf(buf, "variant %s\n", VariantName(gameInfo.variant));
9326 SendToProgram(buf, cps);
9327 currentlyInitializedVariant = gameInfo.variant;
9329 SendToProgram("force\n", cps);
9330 if (startedFromSetupPosition) {
9331 SendBoard(cps, backwardMostMove);
9332 if (appData.debugMode) {
9333 fprintf(debugFP, "feedMoves\n");
9336 for (i = backwardMostMove; i < upto; i++) {
9337 SendMoveToProgram(i, cps);
9343 ResurrectChessProgram()
9345 /* The chess program may have exited.
9346 If so, restart it and feed it all the moves made so far. */
9348 if (appData.noChessProgram || first.pr != NoProc) return;
9350 StartChessProgram(&first);
9351 InitChessProgram(&first, FALSE);
9352 FeedMovesToProgram(&first, currentMove);
9354 if (!first.sendTime) {
9355 /* can't tell gnuchess what its clock should read,
9356 so we bow to its notion. */
9358 timeRemaining[0][currentMove] = whiteTimeRemaining;
9359 timeRemaining[1][currentMove] = blackTimeRemaining;
9362 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
9363 appData.icsEngineAnalyze) && first.analysisSupport) {
9364 SendToProgram("analyze\n", &first);
9365 first.analyzing = TRUE;
9378 if (appData.debugMode) {
9379 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
9380 redraw, init, gameMode);
9382 CleanupTail(); // [HGM] vari: delete any stored variations
9383 pausing = pauseExamInvalid = FALSE;
9384 startedFromSetupPosition = blackPlaysFirst = FALSE;
9386 whiteFlag = blackFlag = FALSE;
9387 userOfferedDraw = FALSE;
9388 hintRequested = bookRequested = FALSE;
9389 first.maybeThinking = FALSE;
9390 second.maybeThinking = FALSE;
9391 first.bookSuspend = FALSE; // [HGM] book
9392 second.bookSuspend = FALSE;
9393 thinkOutput[0] = NULLCHAR;
9394 lastHint[0] = NULLCHAR;
9395 ClearGameInfo(&gameInfo);
9396 gameInfo.variant = StringToVariant(appData.variant);
9397 ics_user_moved = ics_clock_paused = FALSE;
9398 ics_getting_history = H_FALSE;
9400 white_holding[0] = black_holding[0] = NULLCHAR;
9401 ClearProgramStats();
9402 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
9406 flipView = appData.flipView;
9407 ClearPremoveHighlights();
9409 alarmSounded = FALSE;
9411 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
9412 if(appData.serverMovesName != NULL) {
9413 /* [HGM] prepare to make moves file for broadcasting */
9414 clock_t t = clock();
9415 if(serverMoves != NULL) fclose(serverMoves);
9416 serverMoves = fopen(appData.serverMovesName, "r");
9417 if(serverMoves != NULL) {
9418 fclose(serverMoves);
9419 /* delay 15 sec before overwriting, so all clients can see end */
9420 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
9422 serverMoves = fopen(appData.serverMovesName, "w");
9426 gameMode = BeginningOfGame;
9428 if(appData.icsActive) gameInfo.variant = VariantNormal;
9429 currentMove = forwardMostMove = backwardMostMove = 0;
9430 InitPosition(redraw);
9431 for (i = 0; i < MAX_MOVES; i++) {
9432 if (commentList[i] != NULL) {
9433 free(commentList[i]);
9434 commentList[i] = NULL;
9438 timeRemaining[0][0] = whiteTimeRemaining;
9439 timeRemaining[1][0] = blackTimeRemaining;
9440 if (first.pr == NULL) {
9441 StartChessProgram(&first);
9444 InitChessProgram(&first, startedFromSetupPosition);
9447 DisplayMessage("", "");
9448 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9449 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
9456 if (!AutoPlayOneMove())
9458 if (matchMode || appData.timeDelay == 0)
9460 if (appData.timeDelay < 0 || gameMode == AnalyzeFile)
9462 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
9471 int fromX, fromY, toX, toY;
9473 if (appData.debugMode) {
9474 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
9477 if (gameMode != PlayFromGameFile)
9480 if (currentMove >= forwardMostMove) {
9481 gameMode = EditGame;
9484 /* [AS] Clear current move marker at the end of a game */
9485 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
9490 toX = moveList[currentMove][2] - AAA;
9491 toY = moveList[currentMove][3] - ONE;
9493 if (moveList[currentMove][1] == '@') {
9494 if (appData.highlightLastMove) {
9495 SetHighlights(-1, -1, toX, toY);
9498 fromX = moveList[currentMove][0] - AAA;
9499 fromY = moveList[currentMove][1] - ONE;
9501 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
9503 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
9505 if (appData.highlightLastMove) {
9506 SetHighlights(fromX, fromY, toX, toY);
9509 DisplayMove(currentMove);
9510 SendMoveToProgram(currentMove++, &first);
9511 DisplayBothClocks();
9512 DrawPosition(FALSE, boards[currentMove]);
9513 // [HGM] PV info: always display, routine tests if empty
9514 DisplayComment(currentMove - 1, commentList[currentMove]);
9520 LoadGameOneMove(readAhead)
9521 ChessMove readAhead;
9523 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
9524 char promoChar = NULLCHAR;
9529 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
9530 gameMode != AnalyzeMode && gameMode != Training) {
9535 yyboardindex = forwardMostMove;
9536 if (readAhead != (ChessMove)0) {
9537 moveType = readAhead;
9539 if (gameFileFP == NULL)
9541 moveType = (ChessMove) yylex();
9547 if (appData.debugMode)
9548 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9551 /* append the comment but don't display it */
9552 AppendComment(currentMove, p, FALSE);
9555 case WhiteCapturesEnPassant:
9556 case BlackCapturesEnPassant:
9557 case WhitePromotionChancellor:
9558 case BlackPromotionChancellor:
9559 case WhitePromotionArchbishop:
9560 case BlackPromotionArchbishop:
9561 case WhitePromotionCentaur:
9562 case BlackPromotionCentaur:
9563 case WhitePromotionQueen:
9564 case BlackPromotionQueen:
9565 case WhitePromotionRook:
9566 case BlackPromotionRook:
9567 case WhitePromotionBishop:
9568 case BlackPromotionBishop:
9569 case WhitePromotionKnight:
9570 case BlackPromotionKnight:
9571 case WhitePromotionKing:
9572 case BlackPromotionKing:
9574 case WhiteKingSideCastle:
9575 case WhiteQueenSideCastle:
9576 case BlackKingSideCastle:
9577 case BlackQueenSideCastle:
9578 case WhiteKingSideCastleWild:
9579 case WhiteQueenSideCastleWild:
9580 case BlackKingSideCastleWild:
9581 case BlackQueenSideCastleWild:
9583 case WhiteHSideCastleFR:
9584 case WhiteASideCastleFR:
9585 case BlackHSideCastleFR:
9586 case BlackASideCastleFR:
9588 if (appData.debugMode)
9589 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9590 fromX = currentMoveString[0] - AAA;
9591 fromY = currentMoveString[1] - ONE;
9592 toX = currentMoveString[2] - AAA;
9593 toY = currentMoveString[3] - ONE;
9594 promoChar = currentMoveString[4];
9599 if (appData.debugMode)
9600 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9601 fromX = moveType == WhiteDrop ?
9602 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9603 (int) CharToPiece(ToLower(currentMoveString[0]));
9605 toX = currentMoveString[2] - AAA;
9606 toY = currentMoveString[3] - ONE;
9612 case GameUnfinished:
9613 if (appData.debugMode)
9614 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
9615 p = strchr(yy_text, '{');
9616 if (p == NULL) p = strchr(yy_text, '(');
9619 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9621 q = strchr(p, *p == '{' ? '}' : ')');
9622 if (q != NULL) *q = NULLCHAR;
9625 GameEnds(moveType, p, GE_FILE);
9627 if (cmailMsgLoaded) {
9629 flipView = WhiteOnMove(currentMove);
9630 if (moveType == GameUnfinished) flipView = !flipView;
9631 if (appData.debugMode)
9632 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
9636 case (ChessMove) 0: /* end of file */
9637 if (appData.debugMode)
9638 fprintf(debugFP, "Parser hit end of file\n");
9639 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9645 if (WhiteOnMove(currentMove)) {
9646 GameEnds(BlackWins, "Black mates", GE_FILE);
9648 GameEnds(WhiteWins, "White mates", GE_FILE);
9652 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9659 if (lastLoadGameStart == GNUChessGame) {
9660 /* GNUChessGames have numbers, but they aren't move numbers */
9661 if (appData.debugMode)
9662 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9663 yy_text, (int) moveType);
9664 return LoadGameOneMove((ChessMove)0); /* tail recursion */
9666 /* else fall thru */
9671 /* Reached start of next game in file */
9672 if (appData.debugMode)
9673 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
9674 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9680 if (WhiteOnMove(currentMove)) {
9681 GameEnds(BlackWins, "Black mates", GE_FILE);
9683 GameEnds(WhiteWins, "White mates", GE_FILE);
9687 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9693 case PositionDiagram: /* should not happen; ignore */
9694 case ElapsedTime: /* ignore */
9695 case NAG: /* ignore */
9696 if (appData.debugMode)
9697 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9698 yy_text, (int) moveType);
9699 return LoadGameOneMove((ChessMove)0); /* tail recursion */
9702 if (appData.testLegality) {
9703 if (appData.debugMode)
9704 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
9705 sprintf(move, _("Illegal move: %d.%s%s"),
9706 (forwardMostMove / 2) + 1,
9707 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9708 DisplayError(move, 0);
9711 if (appData.debugMode)
9712 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
9713 yy_text, currentMoveString);
9714 fromX = currentMoveString[0] - AAA;
9715 fromY = currentMoveString[1] - ONE;
9716 toX = currentMoveString[2] - AAA;
9717 toY = currentMoveString[3] - ONE;
9718 promoChar = currentMoveString[4];
9723 if (appData.debugMode)
9724 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
9725 sprintf(move, _("Ambiguous move: %d.%s%s"),
9726 (forwardMostMove / 2) + 1,
9727 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9728 DisplayError(move, 0);
9733 case ImpossibleMove:
9734 if (appData.debugMode)
9735 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
9736 sprintf(move, _("Illegal move: %d.%s%s"),
9737 (forwardMostMove / 2) + 1,
9738 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9739 DisplayError(move, 0);
9745 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
9746 DrawPosition(FALSE, boards[currentMove]);
9747 DisplayBothClocks();
9748 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
9749 DisplayComment(currentMove - 1, commentList[currentMove]);
9751 (void) StopLoadGameTimer();
9753 cmailOldMove = forwardMostMove;
9756 /* currentMoveString is set as a side-effect of yylex */
9757 strcat(currentMoveString, "\n");
9758 strcpy(moveList[forwardMostMove], currentMoveString);
9760 thinkOutput[0] = NULLCHAR;
9761 MakeMove(fromX, fromY, toX, toY, promoChar);
9762 currentMove = forwardMostMove;
9767 /* Load the nth game from the given file */
9769 LoadGameFromFile(filename, n, title, useList)
9773 /*Boolean*/ int useList;
9778 if (strcmp(filename, "-") == 0) {
9782 f = fopen(filename, "rb");
9784 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9785 DisplayError(buf, errno);
9789 if (fseek(f, 0, 0) == -1) {
9790 /* f is not seekable; probably a pipe */
9793 if (useList && n == 0) {
9794 int error = GameListBuild(f);
9796 DisplayError(_("Cannot build game list"), error);
9797 } else if (!ListEmpty(&gameList) &&
9798 ((ListGame *) gameList.tailPred)->number > 1) {
9799 GameListPopUp(f, title);
9806 return LoadGame(f, n, title, FALSE);
9811 MakeRegisteredMove()
9813 int fromX, fromY, toX, toY;
9815 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9816 switch (cmailMoveType[lastLoadGameNumber - 1]) {
9819 if (appData.debugMode)
9820 fprintf(debugFP, "Restoring %s for game %d\n",
9821 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
9823 thinkOutput[0] = NULLCHAR;
9824 strcpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1]);
9825 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
9826 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
9827 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
9828 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
9829 promoChar = cmailMove[lastLoadGameNumber - 1][4];
9830 MakeMove(fromX, fromY, toX, toY, promoChar);
9831 ShowMove(fromX, fromY, toX, toY);
9833 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9840 if (WhiteOnMove(currentMove)) {
9841 GameEnds(BlackWins, "Black mates", GE_PLAYER);
9843 GameEnds(WhiteWins, "White mates", GE_PLAYER);
9848 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
9855 if (WhiteOnMove(currentMove)) {
9856 GameEnds(BlackWins, "White resigns", GE_PLAYER);
9858 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
9863 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
9874 /* Wrapper around LoadGame for use when a Cmail message is loaded */
9876 CmailLoadGame(f, gameNumber, title, useList)
9884 if (gameNumber > nCmailGames) {
9885 DisplayError(_("No more games in this message"), 0);
9888 if (f == lastLoadGameFP) {
9889 int offset = gameNumber - lastLoadGameNumber;
9891 cmailMsg[0] = NULLCHAR;
9892 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9893 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
9894 nCmailMovesRegistered--;
9896 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
9897 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
9898 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
9901 if (! RegisterMove()) return FALSE;
9905 retVal = LoadGame(f, gameNumber, title, useList);
9907 /* Make move registered during previous look at this game, if any */
9908 MakeRegisteredMove();
9910 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
9911 commentList[currentMove]
9912 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
9913 DisplayComment(currentMove - 1, commentList[currentMove]);
9919 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
9924 int gameNumber = lastLoadGameNumber + offset;
9925 if (lastLoadGameFP == NULL) {
9926 DisplayError(_("No game has been loaded yet"), 0);
9929 if (gameNumber <= 0) {
9930 DisplayError(_("Can't back up any further"), 0);
9933 if (cmailMsgLoaded) {
9934 return CmailLoadGame(lastLoadGameFP, gameNumber,
9935 lastLoadGameTitle, lastLoadGameUseList);
9937 return LoadGame(lastLoadGameFP, gameNumber,
9938 lastLoadGameTitle, lastLoadGameUseList);
9944 /* Load the nth game from open file f */
9946 LoadGame(f, gameNumber, title, useList)
9954 int gn = gameNumber;
9955 ListGame *lg = NULL;
9958 GameMode oldGameMode;
9959 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
9961 if (appData.debugMode)
9962 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
9964 if (gameMode == Training )
9965 SetTrainingModeOff();
9967 oldGameMode = gameMode;
9968 if (gameMode != BeginningOfGame) {
9973 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
9974 fclose(lastLoadGameFP);
9978 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
9981 fseek(f, lg->offset, 0);
9982 GameListHighlight(gameNumber);
9986 DisplayError(_("Game number out of range"), 0);
9991 if (fseek(f, 0, 0) == -1) {
9992 if (f == lastLoadGameFP ?
9993 gameNumber == lastLoadGameNumber + 1 :
9997 DisplayError(_("Can't seek on game file"), 0);
10002 lastLoadGameFP = f;
10003 lastLoadGameNumber = gameNumber;
10004 strcpy(lastLoadGameTitle, title);
10005 lastLoadGameUseList = useList;
10009 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
10010 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
10011 lg->gameInfo.black);
10013 } else if (*title != NULLCHAR) {
10014 if (gameNumber > 1) {
10015 sprintf(buf, "%s %d", title, gameNumber);
10018 DisplayTitle(title);
10022 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
10023 gameMode = PlayFromGameFile;
10027 currentMove = forwardMostMove = backwardMostMove = 0;
10028 CopyBoard(boards[0], initialPosition);
10032 * Skip the first gn-1 games in the file.
10033 * Also skip over anything that precedes an identifiable
10034 * start of game marker, to avoid being confused by
10035 * garbage at the start of the file. Currently
10036 * recognized start of game markers are the move number "1",
10037 * the pattern "gnuchess .* game", the pattern
10038 * "^[#;%] [^ ]* game file", and a PGN tag block.
10039 * A game that starts with one of the latter two patterns
10040 * will also have a move number 1, possibly
10041 * following a position diagram.
10042 * 5-4-02: Let's try being more lenient and allowing a game to
10043 * start with an unnumbered move. Does that break anything?
10045 cm = lastLoadGameStart = (ChessMove) 0;
10047 yyboardindex = forwardMostMove;
10048 cm = (ChessMove) yylex();
10050 case (ChessMove) 0:
10051 if (cmailMsgLoaded) {
10052 nCmailGames = CMAIL_MAX_GAMES - gn;
10055 DisplayError(_("Game not found in file"), 0);
10062 lastLoadGameStart = cm;
10065 case MoveNumberOne:
10066 switch (lastLoadGameStart) {
10071 case MoveNumberOne:
10072 case (ChessMove) 0:
10073 gn--; /* count this game */
10074 lastLoadGameStart = cm;
10083 switch (lastLoadGameStart) {
10086 case MoveNumberOne:
10087 case (ChessMove) 0:
10088 gn--; /* count this game */
10089 lastLoadGameStart = cm;
10092 lastLoadGameStart = cm; /* game counted already */
10100 yyboardindex = forwardMostMove;
10101 cm = (ChessMove) yylex();
10102 } while (cm == PGNTag || cm == Comment);
10109 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
10110 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
10111 != CMAIL_OLD_RESULT) {
10113 cmailResult[ CMAIL_MAX_GAMES
10114 - gn - 1] = CMAIL_OLD_RESULT;
10120 /* Only a NormalMove can be at the start of a game
10121 * without a position diagram. */
10122 if (lastLoadGameStart == (ChessMove) 0) {
10124 lastLoadGameStart = MoveNumberOne;
10133 if (appData.debugMode)
10134 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
10136 if (cm == XBoardGame) {
10137 /* Skip any header junk before position diagram and/or move 1 */
10139 yyboardindex = forwardMostMove;
10140 cm = (ChessMove) yylex();
10142 if (cm == (ChessMove) 0 ||
10143 cm == GNUChessGame || cm == XBoardGame) {
10144 /* Empty game; pretend end-of-file and handle later */
10145 cm = (ChessMove) 0;
10149 if (cm == MoveNumberOne || cm == PositionDiagram ||
10150 cm == PGNTag || cm == Comment)
10153 } else if (cm == GNUChessGame) {
10154 if (gameInfo.event != NULL) {
10155 free(gameInfo.event);
10157 gameInfo.event = StrSave(yy_text);
10160 startedFromSetupPosition = FALSE;
10161 while (cm == PGNTag) {
10162 if (appData.debugMode)
10163 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
10164 err = ParsePGNTag(yy_text, &gameInfo);
10165 if (!err) numPGNTags++;
10167 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
10168 if(gameInfo.variant != oldVariant) {
10169 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
10170 InitPosition(TRUE);
10171 oldVariant = gameInfo.variant;
10172 if (appData.debugMode)
10173 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
10177 if (gameInfo.fen != NULL) {
10178 Board initial_position;
10179 startedFromSetupPosition = TRUE;
10180 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
10182 DisplayError(_("Bad FEN position in file"), 0);
10185 CopyBoard(boards[0], initial_position);
10186 if (blackPlaysFirst) {
10187 currentMove = forwardMostMove = backwardMostMove = 1;
10188 CopyBoard(boards[1], initial_position);
10189 strcpy(moveList[0], "");
10190 strcpy(parseList[0], "");
10191 timeRemaining[0][1] = whiteTimeRemaining;
10192 timeRemaining[1][1] = blackTimeRemaining;
10193 if (commentList[0] != NULL) {
10194 commentList[1] = commentList[0];
10195 commentList[0] = NULL;
10198 currentMove = forwardMostMove = backwardMostMove = 0;
10200 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
10202 initialRulePlies = FENrulePlies;
10203 for( i=0; i< nrCastlingRights; i++ )
10204 initialRights[i] = initial_position[CASTLING][i];
10206 yyboardindex = forwardMostMove;
10207 free(gameInfo.fen);
10208 gameInfo.fen = NULL;
10211 yyboardindex = forwardMostMove;
10212 cm = (ChessMove) yylex();
10214 /* Handle comments interspersed among the tags */
10215 while (cm == Comment) {
10217 if (appData.debugMode)
10218 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10220 AppendComment(currentMove, p, FALSE);
10221 yyboardindex = forwardMostMove;
10222 cm = (ChessMove) yylex();
10226 /* don't rely on existence of Event tag since if game was
10227 * pasted from clipboard the Event tag may not exist
10229 if (numPGNTags > 0){
10231 if (gameInfo.variant == VariantNormal) {
10232 VariantClass v = StringToVariant(gameInfo.event);
10233 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
10234 if(v < VariantShogi) gameInfo.variant = v;
10237 if( appData.autoDisplayTags ) {
10238 tags = PGNTags(&gameInfo);
10239 TagsPopUp(tags, CmailMsg());
10244 /* Make something up, but don't display it now */
10249 if (cm == PositionDiagram) {
10252 Board initial_position;
10254 if (appData.debugMode)
10255 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
10257 if (!startedFromSetupPosition) {
10259 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
10260 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
10270 initial_position[i][j++] = CharToPiece(*p);
10273 while (*p == ' ' || *p == '\t' ||
10274 *p == '\n' || *p == '\r') p++;
10276 if (strncmp(p, "black", strlen("black"))==0)
10277 blackPlaysFirst = TRUE;
10279 blackPlaysFirst = FALSE;
10280 startedFromSetupPosition = TRUE;
10282 CopyBoard(boards[0], initial_position);
10283 if (blackPlaysFirst) {
10284 currentMove = forwardMostMove = backwardMostMove = 1;
10285 CopyBoard(boards[1], initial_position);
10286 strcpy(moveList[0], "");
10287 strcpy(parseList[0], "");
10288 timeRemaining[0][1] = whiteTimeRemaining;
10289 timeRemaining[1][1] = blackTimeRemaining;
10290 if (commentList[0] != NULL) {
10291 commentList[1] = commentList[0];
10292 commentList[0] = NULL;
10295 currentMove = forwardMostMove = backwardMostMove = 0;
10298 yyboardindex = forwardMostMove;
10299 cm = (ChessMove) yylex();
10302 if (first.pr == NoProc) {
10303 StartChessProgram(&first);
10305 InitChessProgram(&first, FALSE);
10306 SendToProgram("force\n", &first);
10307 if (startedFromSetupPosition) {
10308 SendBoard(&first, forwardMostMove);
10309 if (appData.debugMode) {
10310 fprintf(debugFP, "Load Game\n");
10312 DisplayBothClocks();
10315 /* [HGM] server: flag to write setup moves in broadcast file as one */
10316 loadFlag = appData.suppressLoadMoves;
10318 while (cm == Comment) {
10320 if (appData.debugMode)
10321 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10323 AppendComment(currentMove, p, FALSE);
10324 yyboardindex = forwardMostMove;
10325 cm = (ChessMove) yylex();
10328 if ((cm == (ChessMove) 0 && lastLoadGameStart != (ChessMove) 0) ||
10329 cm == WhiteWins || cm == BlackWins ||
10330 cm == GameIsDrawn || cm == GameUnfinished) {
10331 DisplayMessage("", _("No moves in game"));
10332 if (cmailMsgLoaded) {
10333 if (appData.debugMode)
10334 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
10338 DrawPosition(FALSE, boards[currentMove]);
10339 DisplayBothClocks();
10340 gameMode = EditGame;
10347 // [HGM] PV info: routine tests if comment empty
10348 if (!matchMode && (pausing || appData.timeDelay != 0)) {
10349 DisplayComment(currentMove - 1, commentList[currentMove]);
10351 if (!matchMode && appData.timeDelay != 0)
10352 DrawPosition(FALSE, boards[currentMove]);
10354 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
10355 programStats.ok_to_send = 1;
10358 /* if the first token after the PGN tags is a move
10359 * and not move number 1, retrieve it from the parser
10361 if (cm != MoveNumberOne)
10362 LoadGameOneMove(cm);
10364 /* load the remaining moves from the file */
10365 while (LoadGameOneMove((ChessMove)0)) {
10366 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10367 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10370 /* rewind to the start of the game */
10371 currentMove = backwardMostMove;
10373 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10375 if (oldGameMode == AnalyzeFile ||
10376 oldGameMode == AnalyzeMode) {
10377 AnalyzeFileEvent();
10380 if (matchMode || appData.timeDelay == 0) {
10382 gameMode = EditGame;
10384 } else if (appData.timeDelay > 0) {
10385 AutoPlayGameLoop();
10388 if (appData.debugMode)
10389 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
10391 loadFlag = 0; /* [HGM] true game starts */
10395 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
10397 ReloadPosition(offset)
10400 int positionNumber = lastLoadPositionNumber + offset;
10401 if (lastLoadPositionFP == NULL) {
10402 DisplayError(_("No position has been loaded yet"), 0);
10405 if (positionNumber <= 0) {
10406 DisplayError(_("Can't back up any further"), 0);
10409 return LoadPosition(lastLoadPositionFP, positionNumber,
10410 lastLoadPositionTitle);
10413 /* Load the nth position from the given file */
10415 LoadPositionFromFile(filename, n, title)
10423 if (strcmp(filename, "-") == 0) {
10424 return LoadPosition(stdin, n, "stdin");
10426 f = fopen(filename, "rb");
10428 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10429 DisplayError(buf, errno);
10432 return LoadPosition(f, n, title);
10437 /* Load the nth position from the given open file, and close it */
10439 LoadPosition(f, positionNumber, title)
10441 int positionNumber;
10444 char *p, line[MSG_SIZ];
10445 Board initial_position;
10446 int i, j, fenMode, pn;
10448 if (gameMode == Training )
10449 SetTrainingModeOff();
10451 if (gameMode != BeginningOfGame) {
10452 Reset(FALSE, TRUE);
10454 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
10455 fclose(lastLoadPositionFP);
10457 if (positionNumber == 0) positionNumber = 1;
10458 lastLoadPositionFP = f;
10459 lastLoadPositionNumber = positionNumber;
10460 strcpy(lastLoadPositionTitle, title);
10461 if (first.pr == NoProc) {
10462 StartChessProgram(&first);
10463 InitChessProgram(&first, FALSE);
10465 pn = positionNumber;
10466 if (positionNumber < 0) {
10467 /* Negative position number means to seek to that byte offset */
10468 if (fseek(f, -positionNumber, 0) == -1) {
10469 DisplayError(_("Can't seek on position file"), 0);
10474 if (fseek(f, 0, 0) == -1) {
10475 if (f == lastLoadPositionFP ?
10476 positionNumber == lastLoadPositionNumber + 1 :
10477 positionNumber == 1) {
10480 DisplayError(_("Can't seek on position file"), 0);
10485 /* See if this file is FEN or old-style xboard */
10486 if (fgets(line, MSG_SIZ, f) == NULL) {
10487 DisplayError(_("Position not found in file"), 0);
10490 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
10491 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
10494 if (fenMode || line[0] == '#') pn--;
10496 /* skip positions before number pn */
10497 if (fgets(line, MSG_SIZ, f) == NULL) {
10499 DisplayError(_("Position not found in file"), 0);
10502 if (fenMode || line[0] == '#') pn--;
10507 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
10508 DisplayError(_("Bad FEN position in file"), 0);
10512 (void) fgets(line, MSG_SIZ, f);
10513 (void) fgets(line, MSG_SIZ, f);
10515 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
10516 (void) fgets(line, MSG_SIZ, f);
10517 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
10520 initial_position[i][j++] = CharToPiece(*p);
10524 blackPlaysFirst = FALSE;
10526 (void) fgets(line, MSG_SIZ, f);
10527 if (strncmp(line, "black", strlen("black"))==0)
10528 blackPlaysFirst = TRUE;
10531 startedFromSetupPosition = TRUE;
10533 SendToProgram("force\n", &first);
10534 CopyBoard(boards[0], initial_position);
10535 if (blackPlaysFirst) {
10536 currentMove = forwardMostMove = backwardMostMove = 1;
10537 strcpy(moveList[0], "");
10538 strcpy(parseList[0], "");
10539 CopyBoard(boards[1], initial_position);
10540 DisplayMessage("", _("Black to play"));
10542 currentMove = forwardMostMove = backwardMostMove = 0;
10543 DisplayMessage("", _("White to play"));
10545 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
10546 SendBoard(&first, forwardMostMove);
10547 if (appData.debugMode) {
10549 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
10550 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
10551 fprintf(debugFP, "Load Position\n");
10554 if (positionNumber > 1) {
10555 sprintf(line, "%s %d", title, positionNumber);
10556 DisplayTitle(line);
10558 DisplayTitle(title);
10560 gameMode = EditGame;
10563 timeRemaining[0][1] = whiteTimeRemaining;
10564 timeRemaining[1][1] = blackTimeRemaining;
10565 DrawPosition(FALSE, boards[currentMove]);
10572 CopyPlayerNameIntoFileName(dest, src)
10575 while (*src != NULLCHAR && *src != ',') {
10580 *(*dest)++ = *src++;
10585 char *DefaultFileName(ext)
10588 static char def[MSG_SIZ];
10591 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
10593 CopyPlayerNameIntoFileName(&p, gameInfo.white);
10595 CopyPlayerNameIntoFileName(&p, gameInfo.black);
10604 /* Save the current game to the given file */
10606 SaveGameToFile(filename, append)
10613 if (strcmp(filename, "-") == 0) {
10614 return SaveGame(stdout, 0, NULL);
10616 f = fopen(filename, append ? "a" : "w");
10618 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10619 DisplayError(buf, errno);
10622 return SaveGame(f, 0, NULL);
10631 static char buf[MSG_SIZ];
10634 p = strchr(str, ' ');
10635 if (p == NULL) return str;
10636 strncpy(buf, str, p - str);
10637 buf[p - str] = NULLCHAR;
10641 #define PGN_MAX_LINE 75
10643 #define PGN_SIDE_WHITE 0
10644 #define PGN_SIDE_BLACK 1
10647 static int FindFirstMoveOutOfBook( int side )
10651 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
10652 int index = backwardMostMove;
10653 int has_book_hit = 0;
10655 if( (index % 2) != side ) {
10659 while( index < forwardMostMove ) {
10660 /* Check to see if engine is in book */
10661 int depth = pvInfoList[index].depth;
10662 int score = pvInfoList[index].score;
10668 else if( score == 0 && depth == 63 ) {
10669 in_book = 1; /* Zappa */
10671 else if( score == 2 && depth == 99 ) {
10672 in_book = 1; /* Abrok */
10675 has_book_hit += in_book;
10691 void GetOutOfBookInfo( char * buf )
10695 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10697 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
10698 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
10702 if( oob[0] >= 0 || oob[1] >= 0 ) {
10703 for( i=0; i<2; i++ ) {
10707 if( i > 0 && oob[0] >= 0 ) {
10708 strcat( buf, " " );
10711 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
10712 sprintf( buf+strlen(buf), "%s%.2f",
10713 pvInfoList[idx].score >= 0 ? "+" : "",
10714 pvInfoList[idx].score / 100.0 );
10720 /* Save game in PGN style and close the file */
10725 int i, offset, linelen, newblock;
10729 int movelen, numlen, blank;
10730 char move_buffer[100]; /* [AS] Buffer for move+PV info */
10732 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10734 tm = time((time_t *) NULL);
10736 PrintPGNTags(f, &gameInfo);
10738 if (backwardMostMove > 0 || startedFromSetupPosition) {
10739 char *fen = PositionToFEN(backwardMostMove, NULL);
10740 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
10741 fprintf(f, "\n{--------------\n");
10742 PrintPosition(f, backwardMostMove);
10743 fprintf(f, "--------------}\n");
10747 /* [AS] Out of book annotation */
10748 if( appData.saveOutOfBookInfo ) {
10751 GetOutOfBookInfo( buf );
10753 if( buf[0] != '\0' ) {
10754 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
10761 i = backwardMostMove;
10765 while (i < forwardMostMove) {
10766 /* Print comments preceding this move */
10767 if (commentList[i] != NULL) {
10768 if (linelen > 0) fprintf(f, "\n");
10769 fprintf(f, "%s", commentList[i]);
10774 /* Format move number */
10775 if ((i % 2) == 0) {
10776 sprintf(numtext, "%d.", (i - offset)/2 + 1);
10779 sprintf(numtext, "%d...", (i - offset)/2 + 1);
10781 numtext[0] = NULLCHAR;
10784 numlen = strlen(numtext);
10787 /* Print move number */
10788 blank = linelen > 0 && numlen > 0;
10789 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
10798 fprintf(f, "%s", numtext);
10802 strcpy(move_buffer, SavePart(parseList[i])); // [HGM] pgn: print move via buffer, so it can be edited
10803 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
10806 blank = linelen > 0 && movelen > 0;
10807 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10816 fprintf(f, "%s", move_buffer);
10817 linelen += movelen;
10819 /* [AS] Add PV info if present */
10820 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
10821 /* [HGM] add time */
10822 char buf[MSG_SIZ]; int seconds;
10824 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
10826 if( seconds <= 0) buf[0] = 0; else
10827 if( seconds < 30 ) sprintf(buf, " %3.1f%c", seconds/10., 0); else {
10828 seconds = (seconds + 4)/10; // round to full seconds
10829 if( seconds < 60 ) sprintf(buf, " %d%c", seconds, 0); else
10830 sprintf(buf, " %d:%02d%c", seconds/60, seconds%60, 0);
10833 sprintf( move_buffer, "{%s%.2f/%d%s}",
10834 pvInfoList[i].score >= 0 ? "+" : "",
10835 pvInfoList[i].score / 100.0,
10836 pvInfoList[i].depth,
10839 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
10841 /* Print score/depth */
10842 blank = linelen > 0 && movelen > 0;
10843 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10852 fprintf(f, "%s", move_buffer);
10853 linelen += movelen;
10859 /* Start a new line */
10860 if (linelen > 0) fprintf(f, "\n");
10862 /* Print comments after last move */
10863 if (commentList[i] != NULL) {
10864 fprintf(f, "%s\n", commentList[i]);
10868 if (gameInfo.resultDetails != NULL &&
10869 gameInfo.resultDetails[0] != NULLCHAR) {
10870 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
10871 PGNResult(gameInfo.result));
10873 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10877 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10881 /* Save game in old style and close the file */
10883 SaveGameOldStyle(f)
10889 tm = time((time_t *) NULL);
10891 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
10894 if (backwardMostMove > 0 || startedFromSetupPosition) {
10895 fprintf(f, "\n[--------------\n");
10896 PrintPosition(f, backwardMostMove);
10897 fprintf(f, "--------------]\n");
10902 i = backwardMostMove;
10903 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10905 while (i < forwardMostMove) {
10906 if (commentList[i] != NULL) {
10907 fprintf(f, "[%s]\n", commentList[i]);
10910 if ((i % 2) == 1) {
10911 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
10914 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
10916 if (commentList[i] != NULL) {
10920 if (i >= forwardMostMove) {
10924 fprintf(f, "%s\n", parseList[i]);
10929 if (commentList[i] != NULL) {
10930 fprintf(f, "[%s]\n", commentList[i]);
10933 /* This isn't really the old style, but it's close enough */
10934 if (gameInfo.resultDetails != NULL &&
10935 gameInfo.resultDetails[0] != NULLCHAR) {
10936 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
10937 gameInfo.resultDetails);
10939 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10946 /* Save the current game to open file f and close the file */
10948 SaveGame(f, dummy, dummy2)
10953 if (gameMode == EditPosition) EditPositionDone(TRUE);
10954 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10955 if (appData.oldSaveStyle)
10956 return SaveGameOldStyle(f);
10958 return SaveGamePGN(f);
10961 /* Save the current position to the given file */
10963 SavePositionToFile(filename)
10969 if (strcmp(filename, "-") == 0) {
10970 return SavePosition(stdout, 0, NULL);
10972 f = fopen(filename, "a");
10974 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10975 DisplayError(buf, errno);
10978 SavePosition(f, 0, NULL);
10984 /* Save the current position to the given open file and close the file */
10986 SavePosition(f, dummy, dummy2)
10994 if (gameMode == EditPosition) EditPositionDone(TRUE);
10995 if (appData.oldSaveStyle) {
10996 tm = time((time_t *) NULL);
10998 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
11000 fprintf(f, "[--------------\n");
11001 PrintPosition(f, currentMove);
11002 fprintf(f, "--------------]\n");
11004 fen = PositionToFEN(currentMove, NULL);
11005 fprintf(f, "%s\n", fen);
11013 ReloadCmailMsgEvent(unregister)
11017 static char *inFilename = NULL;
11018 static char *outFilename;
11020 struct stat inbuf, outbuf;
11023 /* Any registered moves are unregistered if unregister is set, */
11024 /* i.e. invoked by the signal handler */
11026 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11027 cmailMoveRegistered[i] = FALSE;
11028 if (cmailCommentList[i] != NULL) {
11029 free(cmailCommentList[i]);
11030 cmailCommentList[i] = NULL;
11033 nCmailMovesRegistered = 0;
11036 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11037 cmailResult[i] = CMAIL_NOT_RESULT;
11041 if (inFilename == NULL) {
11042 /* Because the filenames are static they only get malloced once */
11043 /* and they never get freed */
11044 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
11045 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
11047 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
11048 sprintf(outFilename, "%s.out", appData.cmailGameName);
11051 status = stat(outFilename, &outbuf);
11053 cmailMailedMove = FALSE;
11055 status = stat(inFilename, &inbuf);
11056 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
11059 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
11060 counts the games, notes how each one terminated, etc.
11062 It would be nice to remove this kludge and instead gather all
11063 the information while building the game list. (And to keep it
11064 in the game list nodes instead of having a bunch of fixed-size
11065 parallel arrays.) Note this will require getting each game's
11066 termination from the PGN tags, as the game list builder does
11067 not process the game moves. --mann
11069 cmailMsgLoaded = TRUE;
11070 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
11072 /* Load first game in the file or popup game menu */
11073 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
11075 #endif /* !WIN32 */
11083 char string[MSG_SIZ];
11085 if ( cmailMailedMove
11086 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
11087 return TRUE; /* Allow free viewing */
11090 /* Unregister move to ensure that we don't leave RegisterMove */
11091 /* with the move registered when the conditions for registering no */
11093 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11094 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11095 nCmailMovesRegistered --;
11097 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
11099 free(cmailCommentList[lastLoadGameNumber - 1]);
11100 cmailCommentList[lastLoadGameNumber - 1] = NULL;
11104 if (cmailOldMove == -1) {
11105 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
11109 if (currentMove > cmailOldMove + 1) {
11110 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
11114 if (currentMove < cmailOldMove) {
11115 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
11119 if (forwardMostMove > currentMove) {
11120 /* Silently truncate extra moves */
11124 if ( (currentMove == cmailOldMove + 1)
11125 || ( (currentMove == cmailOldMove)
11126 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
11127 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
11128 if (gameInfo.result != GameUnfinished) {
11129 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
11132 if (commentList[currentMove] != NULL) {
11133 cmailCommentList[lastLoadGameNumber - 1]
11134 = StrSave(commentList[currentMove]);
11136 strcpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1]);
11138 if (appData.debugMode)
11139 fprintf(debugFP, "Saving %s for game %d\n",
11140 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11143 "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
11145 f = fopen(string, "w");
11146 if (appData.oldSaveStyle) {
11147 SaveGameOldStyle(f); /* also closes the file */
11149 sprintf(string, "%s.pos.out", appData.cmailGameName);
11150 f = fopen(string, "w");
11151 SavePosition(f, 0, NULL); /* also closes the file */
11153 fprintf(f, "{--------------\n");
11154 PrintPosition(f, currentMove);
11155 fprintf(f, "--------------}\n\n");
11157 SaveGame(f, 0, NULL); /* also closes the file*/
11160 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
11161 nCmailMovesRegistered ++;
11162 } else if (nCmailGames == 1) {
11163 DisplayError(_("You have not made a move yet"), 0);
11174 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
11175 FILE *commandOutput;
11176 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
11177 int nBytes = 0; /* Suppress warnings on uninitialized variables */
11183 if (! cmailMsgLoaded) {
11184 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
11188 if (nCmailGames == nCmailResults) {
11189 DisplayError(_("No unfinished games"), 0);
11193 #if CMAIL_PROHIBIT_REMAIL
11194 if (cmailMailedMove) {
11195 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);
11196 DisplayError(msg, 0);
11201 if (! (cmailMailedMove || RegisterMove())) return;
11203 if ( cmailMailedMove
11204 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
11205 sprintf(string, partCommandString,
11206 appData.debugMode ? " -v" : "", appData.cmailGameName);
11207 commandOutput = popen(string, "r");
11209 if (commandOutput == NULL) {
11210 DisplayError(_("Failed to invoke cmail"), 0);
11212 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
11213 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
11215 if (nBuffers > 1) {
11216 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
11217 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
11218 nBytes = MSG_SIZ - 1;
11220 (void) memcpy(msg, buffer, nBytes);
11222 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
11224 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
11225 cmailMailedMove = TRUE; /* Prevent >1 moves */
11228 for (i = 0; i < nCmailGames; i ++) {
11229 if (cmailResult[i] == CMAIL_NOT_RESULT) {
11234 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
11236 sprintf(buffer, "%s/%s.%s.archive",
11238 appData.cmailGameName,
11240 LoadGameFromFile(buffer, 1, buffer, FALSE);
11241 cmailMsgLoaded = FALSE;
11245 DisplayInformation(msg);
11246 pclose(commandOutput);
11249 if ((*cmailMsg) != '\0') {
11250 DisplayInformation(cmailMsg);
11255 #endif /* !WIN32 */
11264 int prependComma = 0;
11266 char string[MSG_SIZ]; /* Space for game-list */
11269 if (!cmailMsgLoaded) return "";
11271 if (cmailMailedMove) {
11272 sprintf(cmailMsg, _("Waiting for reply from opponent\n"));
11274 /* Create a list of games left */
11275 sprintf(string, "[");
11276 for (i = 0; i < nCmailGames; i ++) {
11277 if (! ( cmailMoveRegistered[i]
11278 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
11279 if (prependComma) {
11280 sprintf(number, ",%d", i + 1);
11282 sprintf(number, "%d", i + 1);
11286 strcat(string, number);
11289 strcat(string, "]");
11291 if (nCmailMovesRegistered + nCmailResults == 0) {
11292 switch (nCmailGames) {
11295 _("Still need to make move for game\n"));
11300 _("Still need to make moves for both games\n"));
11305 _("Still need to make moves for all %d games\n"),
11310 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
11313 _("Still need to make a move for game %s\n"),
11318 if (nCmailResults == nCmailGames) {
11319 sprintf(cmailMsg, _("No unfinished games\n"));
11321 sprintf(cmailMsg, _("Ready to send mail\n"));
11327 _("Still need to make moves for games %s\n"),
11339 if (gameMode == Training)
11340 SetTrainingModeOff();
11343 cmailMsgLoaded = FALSE;
11344 if (appData.icsActive) {
11345 SendToICS(ics_prefix);
11346 SendToICS("refresh\n");
11356 /* Give up on clean exit */
11360 /* Keep trying for clean exit */
11364 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
11366 if (telnetISR != NULL) {
11367 RemoveInputSource(telnetISR);
11369 if (icsPR != NoProc) {
11370 DestroyChildProcess(icsPR, TRUE);
11373 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
11374 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
11376 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
11377 /* make sure this other one finishes before killing it! */
11378 if(endingGame) { int count = 0;
11379 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
11380 while(endingGame && count++ < 10) DoSleep(1);
11381 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
11384 /* Kill off chess programs */
11385 if (first.pr != NoProc) {
11388 DoSleep( appData.delayBeforeQuit );
11389 SendToProgram("quit\n", &first);
11390 DoSleep( appData.delayAfterQuit );
11391 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
11393 if (second.pr != NoProc) {
11394 DoSleep( appData.delayBeforeQuit );
11395 SendToProgram("quit\n", &second);
11396 DoSleep( appData.delayAfterQuit );
11397 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
11399 if (first.isr != NULL) {
11400 RemoveInputSource(first.isr);
11402 if (second.isr != NULL) {
11403 RemoveInputSource(second.isr);
11406 ShutDownFrontEnd();
11413 if (appData.debugMode)
11414 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
11418 if (gameMode == MachinePlaysWhite ||
11419 gameMode == MachinePlaysBlack) {
11422 DisplayBothClocks();
11424 if (gameMode == PlayFromGameFile) {
11425 if (appData.timeDelay >= 0)
11426 AutoPlayGameLoop();
11427 } else if (gameMode == IcsExamining && pauseExamInvalid) {
11428 Reset(FALSE, TRUE);
11429 SendToICS(ics_prefix);
11430 SendToICS("refresh\n");
11431 } else if (currentMove < forwardMostMove) {
11432 ForwardInner(forwardMostMove);
11434 pauseExamInvalid = FALSE;
11436 switch (gameMode) {
11440 pauseExamForwardMostMove = forwardMostMove;
11441 pauseExamInvalid = FALSE;
11444 case IcsPlayingWhite:
11445 case IcsPlayingBlack:
11449 case PlayFromGameFile:
11450 (void) StopLoadGameTimer();
11454 case BeginningOfGame:
11455 if (appData.icsActive) return;
11456 /* else fall through */
11457 case MachinePlaysWhite:
11458 case MachinePlaysBlack:
11459 case TwoMachinesPlay:
11460 if (forwardMostMove == 0)
11461 return; /* don't pause if no one has moved */
11462 if ((gameMode == MachinePlaysWhite &&
11463 !WhiteOnMove(forwardMostMove)) ||
11464 (gameMode == MachinePlaysBlack &&
11465 WhiteOnMove(forwardMostMove))) {
11478 char title[MSG_SIZ];
11480 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
11481 strcpy(title, _("Edit comment"));
11483 sprintf(title, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
11484 WhiteOnMove(currentMove - 1) ? " " : ".. ",
11485 parseList[currentMove - 1]);
11488 EditCommentPopUp(currentMove, title, commentList[currentMove]);
11495 char *tags = PGNTags(&gameInfo);
11496 EditTagsPopUp(tags);
11503 if (appData.noChessProgram || gameMode == AnalyzeMode)
11506 if (gameMode != AnalyzeFile) {
11507 if (!appData.icsEngineAnalyze) {
11509 if (gameMode != EditGame) return;
11511 ResurrectChessProgram();
11512 SendToProgram("analyze\n", &first);
11513 first.analyzing = TRUE;
11514 /*first.maybeThinking = TRUE;*/
11515 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11516 EngineOutputPopUp();
11518 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
11523 StartAnalysisClock();
11524 GetTimeMark(&lastNodeCountTime);
11531 if (appData.noChessProgram || gameMode == AnalyzeFile)
11534 if (gameMode != AnalyzeMode) {
11536 if (gameMode != EditGame) return;
11537 ResurrectChessProgram();
11538 SendToProgram("analyze\n", &first);
11539 first.analyzing = TRUE;
11540 /*first.maybeThinking = TRUE;*/
11541 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11542 EngineOutputPopUp();
11544 gameMode = AnalyzeFile;
11549 StartAnalysisClock();
11550 GetTimeMark(&lastNodeCountTime);
11555 MachineWhiteEvent()
11558 char *bookHit = NULL;
11560 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
11564 if (gameMode == PlayFromGameFile ||
11565 gameMode == TwoMachinesPlay ||
11566 gameMode == Training ||
11567 gameMode == AnalyzeMode ||
11568 gameMode == EndOfGame)
11571 if (gameMode == EditPosition)
11572 EditPositionDone(TRUE);
11574 if (!WhiteOnMove(currentMove)) {
11575 DisplayError(_("It is not White's turn"), 0);
11579 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11582 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11583 gameMode == AnalyzeFile)
11586 ResurrectChessProgram(); /* in case it isn't running */
11587 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
11588 gameMode = MachinePlaysWhite;
11591 gameMode = MachinePlaysWhite;
11595 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11597 if (first.sendName) {
11598 sprintf(buf, "name %s\n", gameInfo.black);
11599 SendToProgram(buf, &first);
11601 if (first.sendTime) {
11602 if (first.useColors) {
11603 SendToProgram("black\n", &first); /*gnu kludge*/
11605 SendTimeRemaining(&first, TRUE);
11607 if (first.useColors) {
11608 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
11610 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11611 SetMachineThinkingEnables();
11612 first.maybeThinking = TRUE;
11616 if (appData.autoFlipView && !flipView) {
11617 flipView = !flipView;
11618 DrawPosition(FALSE, NULL);
11619 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11622 if(bookHit) { // [HGM] book: simulate book reply
11623 static char bookMove[MSG_SIZ]; // a bit generous?
11625 programStats.nodes = programStats.depth = programStats.time =
11626 programStats.score = programStats.got_only_move = 0;
11627 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11629 strcpy(bookMove, "move ");
11630 strcat(bookMove, bookHit);
11631 HandleMachineMove(bookMove, &first);
11636 MachineBlackEvent()
11639 char *bookHit = NULL;
11641 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
11645 if (gameMode == PlayFromGameFile ||
11646 gameMode == TwoMachinesPlay ||
11647 gameMode == Training ||
11648 gameMode == AnalyzeMode ||
11649 gameMode == EndOfGame)
11652 if (gameMode == EditPosition)
11653 EditPositionDone(TRUE);
11655 if (WhiteOnMove(currentMove)) {
11656 DisplayError(_("It is not Black's turn"), 0);
11660 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11663 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11664 gameMode == AnalyzeFile)
11667 ResurrectChessProgram(); /* in case it isn't running */
11668 gameMode = MachinePlaysBlack;
11672 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11674 if (first.sendName) {
11675 sprintf(buf, "name %s\n", gameInfo.white);
11676 SendToProgram(buf, &first);
11678 if (first.sendTime) {
11679 if (first.useColors) {
11680 SendToProgram("white\n", &first); /*gnu kludge*/
11682 SendTimeRemaining(&first, FALSE);
11684 if (first.useColors) {
11685 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
11687 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11688 SetMachineThinkingEnables();
11689 first.maybeThinking = TRUE;
11692 if (appData.autoFlipView && flipView) {
11693 flipView = !flipView;
11694 DrawPosition(FALSE, NULL);
11695 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11697 if(bookHit) { // [HGM] book: simulate book reply
11698 static char bookMove[MSG_SIZ]; // a bit generous?
11700 programStats.nodes = programStats.depth = programStats.time =
11701 programStats.score = programStats.got_only_move = 0;
11702 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11704 strcpy(bookMove, "move ");
11705 strcat(bookMove, bookHit);
11706 HandleMachineMove(bookMove, &first);
11712 DisplayTwoMachinesTitle()
11715 if (appData.matchGames > 0) {
11716 if (first.twoMachinesColor[0] == 'w') {
11717 sprintf(buf, "%s vs. %s (%d-%d-%d)",
11718 gameInfo.white, gameInfo.black,
11719 first.matchWins, second.matchWins,
11720 matchGame - 1 - (first.matchWins + second.matchWins));
11722 sprintf(buf, "%s vs. %s (%d-%d-%d)",
11723 gameInfo.white, gameInfo.black,
11724 second.matchWins, first.matchWins,
11725 matchGame - 1 - (first.matchWins + second.matchWins));
11728 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11734 TwoMachinesEvent P((void))
11738 ChessProgramState *onmove;
11739 char *bookHit = NULL;
11741 if (appData.noChessProgram) return;
11743 switch (gameMode) {
11744 case TwoMachinesPlay:
11746 case MachinePlaysWhite:
11747 case MachinePlaysBlack:
11748 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11749 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11753 case BeginningOfGame:
11754 case PlayFromGameFile:
11757 if (gameMode != EditGame) return;
11760 EditPositionDone(TRUE);
11771 // forwardMostMove = currentMove;
11772 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
11773 ResurrectChessProgram(); /* in case first program isn't running */
11775 if (second.pr == NULL) {
11776 StartChessProgram(&second);
11777 if (second.protocolVersion == 1) {
11778 TwoMachinesEventIfReady();
11780 /* kludge: allow timeout for initial "feature" command */
11782 DisplayMessage("", _("Starting second chess program"));
11783 ScheduleDelayedEvent(TwoMachinesEventIfReady, FEATURE_TIMEOUT);
11787 DisplayMessage("", "");
11788 InitChessProgram(&second, FALSE);
11789 SendToProgram("force\n", &second);
11790 if (startedFromSetupPosition) {
11791 SendBoard(&second, backwardMostMove);
11792 if (appData.debugMode) {
11793 fprintf(debugFP, "Two Machines\n");
11796 for (i = backwardMostMove; i < forwardMostMove; i++) {
11797 SendMoveToProgram(i, &second);
11800 gameMode = TwoMachinesPlay;
11804 DisplayTwoMachinesTitle();
11806 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
11812 SendToProgram(first.computerString, &first);
11813 if (first.sendName) {
11814 sprintf(buf, "name %s\n", second.tidy);
11815 SendToProgram(buf, &first);
11817 SendToProgram(second.computerString, &second);
11818 if (second.sendName) {
11819 sprintf(buf, "name %s\n", first.tidy);
11820 SendToProgram(buf, &second);
11824 if (!first.sendTime || !second.sendTime) {
11825 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11826 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11828 if (onmove->sendTime) {
11829 if (onmove->useColors) {
11830 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
11832 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
11834 if (onmove->useColors) {
11835 SendToProgram(onmove->twoMachinesColor, onmove);
11837 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
11838 // SendToProgram("go\n", onmove);
11839 onmove->maybeThinking = TRUE;
11840 SetMachineThinkingEnables();
11844 if(bookHit) { // [HGM] book: simulate book reply
11845 static char bookMove[MSG_SIZ]; // a bit generous?
11847 programStats.nodes = programStats.depth = programStats.time =
11848 programStats.score = programStats.got_only_move = 0;
11849 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11851 strcpy(bookMove, "move ");
11852 strcat(bookMove, bookHit);
11853 savedMessage = bookMove; // args for deferred call
11854 savedState = onmove;
11855 ScheduleDelayedEvent(DeferredBookMove, 1);
11862 if (gameMode == Training) {
11863 SetTrainingModeOff();
11864 gameMode = PlayFromGameFile;
11865 DisplayMessage("", _("Training mode off"));
11867 gameMode = Training;
11868 animateTraining = appData.animate;
11870 /* make sure we are not already at the end of the game */
11871 if (currentMove < forwardMostMove) {
11872 SetTrainingModeOn();
11873 DisplayMessage("", _("Training mode on"));
11875 gameMode = PlayFromGameFile;
11876 DisplayError(_("Already at end of game"), 0);
11885 if (!appData.icsActive) return;
11886 switch (gameMode) {
11887 case IcsPlayingWhite:
11888 case IcsPlayingBlack:
11891 case BeginningOfGame:
11899 EditPositionDone(TRUE);
11912 gameMode = IcsIdle;
11923 switch (gameMode) {
11925 SetTrainingModeOff();
11927 case MachinePlaysWhite:
11928 case MachinePlaysBlack:
11929 case BeginningOfGame:
11930 SendToProgram("force\n", &first);
11931 SetUserThinkingEnables();
11933 case PlayFromGameFile:
11934 (void) StopLoadGameTimer();
11935 if (gameFileFP != NULL) {
11940 EditPositionDone(TRUE);
11945 SendToProgram("force\n", &first);
11947 case TwoMachinesPlay:
11948 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
11949 ResurrectChessProgram();
11950 SetUserThinkingEnables();
11953 ResurrectChessProgram();
11955 case IcsPlayingBlack:
11956 case IcsPlayingWhite:
11957 DisplayError(_("Warning: You are still playing a game"), 0);
11960 DisplayError(_("Warning: You are still observing a game"), 0);
11963 DisplayError(_("Warning: You are still examining a game"), 0);
11974 first.offeredDraw = second.offeredDraw = 0;
11976 if (gameMode == PlayFromGameFile) {
11977 whiteTimeRemaining = timeRemaining[0][currentMove];
11978 blackTimeRemaining = timeRemaining[1][currentMove];
11982 if (gameMode == MachinePlaysWhite ||
11983 gameMode == MachinePlaysBlack ||
11984 gameMode == TwoMachinesPlay ||
11985 gameMode == EndOfGame) {
11986 i = forwardMostMove;
11987 while (i > currentMove) {
11988 SendToProgram("undo\n", &first);
11991 whiteTimeRemaining = timeRemaining[0][currentMove];
11992 blackTimeRemaining = timeRemaining[1][currentMove];
11993 DisplayBothClocks();
11994 if (whiteFlag || blackFlag) {
11995 whiteFlag = blackFlag = 0;
12000 gameMode = EditGame;
12007 EditPositionEvent()
12009 if (gameMode == EditPosition) {
12015 if (gameMode != EditGame) return;
12017 gameMode = EditPosition;
12020 if (currentMove > 0)
12021 CopyBoard(boards[0], boards[currentMove]);
12023 blackPlaysFirst = !WhiteOnMove(currentMove);
12025 currentMove = forwardMostMove = backwardMostMove = 0;
12026 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12033 /* [DM] icsEngineAnalyze - possible call from other functions */
12034 if (appData.icsEngineAnalyze) {
12035 appData.icsEngineAnalyze = FALSE;
12037 DisplayMessage("",_("Close ICS engine analyze..."));
12039 if (first.analysisSupport && first.analyzing) {
12040 SendToProgram("exit\n", &first);
12041 first.analyzing = FALSE;
12043 thinkOutput[0] = NULLCHAR;
12047 EditPositionDone(Boolean fakeRights)
12049 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
12051 startedFromSetupPosition = TRUE;
12052 InitChessProgram(&first, FALSE);
12053 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
12054 boards[0][EP_STATUS] = EP_NONE;
12055 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
12056 if(boards[0][0][BOARD_WIDTH>>1] == king) {
12057 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
12058 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
12059 } else boards[0][CASTLING][2] = NoRights;
12060 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
12061 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
12062 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
12063 } else boards[0][CASTLING][5] = NoRights;
12065 SendToProgram("force\n", &first);
12066 if (blackPlaysFirst) {
12067 strcpy(moveList[0], "");
12068 strcpy(parseList[0], "");
12069 currentMove = forwardMostMove = backwardMostMove = 1;
12070 CopyBoard(boards[1], boards[0]);
12072 currentMove = forwardMostMove = backwardMostMove = 0;
12074 SendBoard(&first, forwardMostMove);
12075 if (appData.debugMode) {
12076 fprintf(debugFP, "EditPosDone\n");
12079 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12080 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12081 gameMode = EditGame;
12083 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12084 ClearHighlights(); /* [AS] */
12087 /* Pause for `ms' milliseconds */
12088 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12098 } while (SubtractTimeMarks(&m2, &m1) < ms);
12101 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12103 SendMultiLineToICS(buf)
12106 char temp[MSG_SIZ+1], *p;
12113 strncpy(temp, buf, len);
12118 if (*p == '\n' || *p == '\r')
12123 strcat(temp, "\n");
12125 SendToPlayer(temp, strlen(temp));
12129 SetWhiteToPlayEvent()
12131 if (gameMode == EditPosition) {
12132 blackPlaysFirst = FALSE;
12133 DisplayBothClocks(); /* works because currentMove is 0 */
12134 } else if (gameMode == IcsExamining) {
12135 SendToICS(ics_prefix);
12136 SendToICS("tomove white\n");
12141 SetBlackToPlayEvent()
12143 if (gameMode == EditPosition) {
12144 blackPlaysFirst = TRUE;
12145 currentMove = 1; /* kludge */
12146 DisplayBothClocks();
12148 } else if (gameMode == IcsExamining) {
12149 SendToICS(ics_prefix);
12150 SendToICS("tomove black\n");
12155 EditPositionMenuEvent(selection, x, y)
12156 ChessSquare selection;
12160 ChessSquare piece = boards[0][y][x];
12162 if (gameMode != EditPosition && gameMode != IcsExamining) return;
12164 switch (selection) {
12166 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
12167 SendToICS(ics_prefix);
12168 SendToICS("bsetup clear\n");
12169 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
12170 SendToICS(ics_prefix);
12171 SendToICS("clearboard\n");
12173 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
12174 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
12175 for (y = 0; y < BOARD_HEIGHT; y++) {
12176 if (gameMode == IcsExamining) {
12177 if (boards[currentMove][y][x] != EmptySquare) {
12178 sprintf(buf, "%sx@%c%c\n", ics_prefix,
12183 boards[0][y][x] = p;
12188 if (gameMode == EditPosition) {
12189 DrawPosition(FALSE, boards[0]);
12194 SetWhiteToPlayEvent();
12198 SetBlackToPlayEvent();
12202 if (gameMode == IcsExamining) {
12203 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12204 sprintf(buf, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
12207 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12208 if(x == BOARD_LEFT-2) {
12209 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
12210 boards[0][y][1] = 0;
12212 if(x == BOARD_RGHT+1) {
12213 if(y >= gameInfo.holdingsSize) break;
12214 boards[0][y][BOARD_WIDTH-2] = 0;
12217 boards[0][y][x] = EmptySquare;
12218 DrawPosition(FALSE, boards[0]);
12223 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
12224 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
12225 selection = (ChessSquare) (PROMOTED piece);
12226 } else if(piece == EmptySquare) selection = WhiteSilver;
12227 else selection = (ChessSquare)((int)piece - 1);
12231 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
12232 piece > (int)BlackMan && piece <= (int)BlackKing ) {
12233 selection = (ChessSquare) (DEMOTED piece);
12234 } else if(piece == EmptySquare) selection = BlackSilver;
12235 else selection = (ChessSquare)((int)piece + 1);
12240 if(gameInfo.variant == VariantShatranj ||
12241 gameInfo.variant == VariantXiangqi ||
12242 gameInfo.variant == VariantCourier ||
12243 gameInfo.variant == VariantMakruk )
12244 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
12249 if(gameInfo.variant == VariantXiangqi)
12250 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
12251 if(gameInfo.variant == VariantKnightmate)
12252 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
12255 if (gameMode == IcsExamining) {
12256 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12257 sprintf(buf, "%s%c@%c%c\n", ics_prefix,
12258 PieceToChar(selection), AAA + x, ONE + y);
12261 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12263 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
12264 n = PieceToNumber(selection - BlackPawn);
12265 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
12266 boards[0][BOARD_HEIGHT-1-n][0] = selection;
12267 boards[0][BOARD_HEIGHT-1-n][1]++;
12269 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
12270 n = PieceToNumber(selection);
12271 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
12272 boards[0][n][BOARD_WIDTH-1] = selection;
12273 boards[0][n][BOARD_WIDTH-2]++;
12276 boards[0][y][x] = selection;
12277 DrawPosition(TRUE, boards[0]);
12285 DropMenuEvent(selection, x, y)
12286 ChessSquare selection;
12289 ChessMove moveType;
12291 switch (gameMode) {
12292 case IcsPlayingWhite:
12293 case MachinePlaysBlack:
12294 if (!WhiteOnMove(currentMove)) {
12295 DisplayMoveError(_("It is Black's turn"));
12298 moveType = WhiteDrop;
12300 case IcsPlayingBlack:
12301 case MachinePlaysWhite:
12302 if (WhiteOnMove(currentMove)) {
12303 DisplayMoveError(_("It is White's turn"));
12306 moveType = BlackDrop;
12309 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
12315 if (moveType == BlackDrop && selection < BlackPawn) {
12316 selection = (ChessSquare) ((int) selection
12317 + (int) BlackPawn - (int) WhitePawn);
12319 if (boards[currentMove][y][x] != EmptySquare) {
12320 DisplayMoveError(_("That square is occupied"));
12324 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
12330 /* Accept a pending offer of any kind from opponent */
12332 if (appData.icsActive) {
12333 SendToICS(ics_prefix);
12334 SendToICS("accept\n");
12335 } else if (cmailMsgLoaded) {
12336 if (currentMove == cmailOldMove &&
12337 commentList[cmailOldMove] != NULL &&
12338 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12339 "Black offers a draw" : "White offers a draw")) {
12341 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12342 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12344 DisplayError(_("There is no pending offer on this move"), 0);
12345 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12348 /* Not used for offers from chess program */
12355 /* Decline a pending offer of any kind from opponent */
12357 if (appData.icsActive) {
12358 SendToICS(ics_prefix);
12359 SendToICS("decline\n");
12360 } else if (cmailMsgLoaded) {
12361 if (currentMove == cmailOldMove &&
12362 commentList[cmailOldMove] != NULL &&
12363 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12364 "Black offers a draw" : "White offers a draw")) {
12366 AppendComment(cmailOldMove, "Draw declined", TRUE);
12367 DisplayComment(cmailOldMove - 1, "Draw declined");
12370 DisplayError(_("There is no pending offer on this move"), 0);
12373 /* Not used for offers from chess program */
12380 /* Issue ICS rematch command */
12381 if (appData.icsActive) {
12382 SendToICS(ics_prefix);
12383 SendToICS("rematch\n");
12390 /* Call your opponent's flag (claim a win on time) */
12391 if (appData.icsActive) {
12392 SendToICS(ics_prefix);
12393 SendToICS("flag\n");
12395 switch (gameMode) {
12398 case MachinePlaysWhite:
12401 GameEnds(GameIsDrawn, "Both players ran out of time",
12404 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
12406 DisplayError(_("Your opponent is not out of time"), 0);
12409 case MachinePlaysBlack:
12412 GameEnds(GameIsDrawn, "Both players ran out of time",
12415 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
12417 DisplayError(_("Your opponent is not out of time"), 0);
12427 /* Offer draw or accept pending draw offer from opponent */
12429 if (appData.icsActive) {
12430 /* Note: tournament rules require draw offers to be
12431 made after you make your move but before you punch
12432 your clock. Currently ICS doesn't let you do that;
12433 instead, you immediately punch your clock after making
12434 a move, but you can offer a draw at any time. */
12436 SendToICS(ics_prefix);
12437 SendToICS("draw\n");
12438 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
12439 } else if (cmailMsgLoaded) {
12440 if (currentMove == cmailOldMove &&
12441 commentList[cmailOldMove] != NULL &&
12442 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12443 "Black offers a draw" : "White offers a draw")) {
12444 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12445 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12446 } else if (currentMove == cmailOldMove + 1) {
12447 char *offer = WhiteOnMove(cmailOldMove) ?
12448 "White offers a draw" : "Black offers a draw";
12449 AppendComment(currentMove, offer, TRUE);
12450 DisplayComment(currentMove - 1, offer);
12451 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
12453 DisplayError(_("You must make your move before offering a draw"), 0);
12454 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12456 } else if (first.offeredDraw) {
12457 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
12459 if (first.sendDrawOffers) {
12460 SendToProgram("draw\n", &first);
12461 userOfferedDraw = TRUE;
12469 /* Offer Adjourn or accept pending Adjourn offer from opponent */
12471 if (appData.icsActive) {
12472 SendToICS(ics_prefix);
12473 SendToICS("adjourn\n");
12475 /* Currently GNU Chess doesn't offer or accept Adjourns */
12483 /* Offer Abort or accept pending Abort offer from opponent */
12485 if (appData.icsActive) {
12486 SendToICS(ics_prefix);
12487 SendToICS("abort\n");
12489 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
12496 /* Resign. You can do this even if it's not your turn. */
12498 if (appData.icsActive) {
12499 SendToICS(ics_prefix);
12500 SendToICS("resign\n");
12502 switch (gameMode) {
12503 case MachinePlaysWhite:
12504 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12506 case MachinePlaysBlack:
12507 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12510 if (cmailMsgLoaded) {
12512 if (WhiteOnMove(cmailOldMove)) {
12513 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12515 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12517 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
12528 StopObservingEvent()
12530 /* Stop observing current games */
12531 SendToICS(ics_prefix);
12532 SendToICS("unobserve\n");
12536 StopExaminingEvent()
12538 /* Stop observing current game */
12539 SendToICS(ics_prefix);
12540 SendToICS("unexamine\n");
12544 ForwardInner(target)
12549 if (appData.debugMode)
12550 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
12551 target, currentMove, forwardMostMove);
12553 if (gameMode == EditPosition)
12556 if (gameMode == PlayFromGameFile && !pausing)
12559 if (gameMode == IcsExamining && pausing)
12560 limit = pauseExamForwardMostMove;
12562 limit = forwardMostMove;
12564 if (target > limit) target = limit;
12566 if (target > 0 && moveList[target - 1][0]) {
12567 int fromX, fromY, toX, toY;
12568 toX = moveList[target - 1][2] - AAA;
12569 toY = moveList[target - 1][3] - ONE;
12570 if (moveList[target - 1][1] == '@') {
12571 if (appData.highlightLastMove) {
12572 SetHighlights(-1, -1, toX, toY);
12575 fromX = moveList[target - 1][0] - AAA;
12576 fromY = moveList[target - 1][1] - ONE;
12577 if (target == currentMove + 1) {
12578 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12580 if (appData.highlightLastMove) {
12581 SetHighlights(fromX, fromY, toX, toY);
12585 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12586 gameMode == Training || gameMode == PlayFromGameFile ||
12587 gameMode == AnalyzeFile) {
12588 while (currentMove < target) {
12589 SendMoveToProgram(currentMove++, &first);
12592 currentMove = target;
12595 if (gameMode == EditGame || gameMode == EndOfGame) {
12596 whiteTimeRemaining = timeRemaining[0][currentMove];
12597 blackTimeRemaining = timeRemaining[1][currentMove];
12599 DisplayBothClocks();
12600 DisplayMove(currentMove - 1);
12601 DrawPosition(FALSE, boards[currentMove]);
12602 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12603 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
12604 DisplayComment(currentMove - 1, commentList[currentMove]);
12612 if (gameMode == IcsExamining && !pausing) {
12613 SendToICS(ics_prefix);
12614 SendToICS("forward\n");
12616 ForwardInner(currentMove + 1);
12623 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12624 /* to optimze, we temporarily turn off analysis mode while we feed
12625 * the remaining moves to the engine. Otherwise we get analysis output
12628 if (first.analysisSupport) {
12629 SendToProgram("exit\nforce\n", &first);
12630 first.analyzing = FALSE;
12634 if (gameMode == IcsExamining && !pausing) {
12635 SendToICS(ics_prefix);
12636 SendToICS("forward 999999\n");
12638 ForwardInner(forwardMostMove);
12641 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12642 /* we have fed all the moves, so reactivate analysis mode */
12643 SendToProgram("analyze\n", &first);
12644 first.analyzing = TRUE;
12645 /*first.maybeThinking = TRUE;*/
12646 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12651 BackwardInner(target)
12654 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
12656 if (appData.debugMode)
12657 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
12658 target, currentMove, forwardMostMove);
12660 if (gameMode == EditPosition) return;
12661 if (currentMove <= backwardMostMove) {
12663 DrawPosition(full_redraw, boards[currentMove]);
12666 if (gameMode == PlayFromGameFile && !pausing)
12669 if (moveList[target][0]) {
12670 int fromX, fromY, toX, toY;
12671 toX = moveList[target][2] - AAA;
12672 toY = moveList[target][3] - ONE;
12673 if (moveList[target][1] == '@') {
12674 if (appData.highlightLastMove) {
12675 SetHighlights(-1, -1, toX, toY);
12678 fromX = moveList[target][0] - AAA;
12679 fromY = moveList[target][1] - ONE;
12680 if (target == currentMove - 1) {
12681 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
12683 if (appData.highlightLastMove) {
12684 SetHighlights(fromX, fromY, toX, toY);
12688 if (gameMode == EditGame || gameMode==AnalyzeMode ||
12689 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
12690 while (currentMove > target) {
12691 SendToProgram("undo\n", &first);
12695 currentMove = target;
12698 if (gameMode == EditGame || gameMode == EndOfGame) {
12699 whiteTimeRemaining = timeRemaining[0][currentMove];
12700 blackTimeRemaining = timeRemaining[1][currentMove];
12702 DisplayBothClocks();
12703 DisplayMove(currentMove - 1);
12704 DrawPosition(full_redraw, boards[currentMove]);
12705 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12706 // [HGM] PV info: routine tests if comment empty
12707 DisplayComment(currentMove - 1, commentList[currentMove]);
12713 if (gameMode == IcsExamining && !pausing) {
12714 SendToICS(ics_prefix);
12715 SendToICS("backward\n");
12717 BackwardInner(currentMove - 1);
12724 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12725 /* to optimize, we temporarily turn off analysis mode while we undo
12726 * all the moves. Otherwise we get analysis output after each undo.
12728 if (first.analysisSupport) {
12729 SendToProgram("exit\nforce\n", &first);
12730 first.analyzing = FALSE;
12734 if (gameMode == IcsExamining && !pausing) {
12735 SendToICS(ics_prefix);
12736 SendToICS("backward 999999\n");
12738 BackwardInner(backwardMostMove);
12741 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12742 /* we have fed all the moves, so reactivate analysis mode */
12743 SendToProgram("analyze\n", &first);
12744 first.analyzing = TRUE;
12745 /*first.maybeThinking = TRUE;*/
12746 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12753 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
12754 if (to >= forwardMostMove) to = forwardMostMove;
12755 if (to <= backwardMostMove) to = backwardMostMove;
12756 if (to < currentMove) {
12764 RevertEvent(Boolean annotate)
12766 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
12769 if (gameMode != IcsExamining) {
12770 DisplayError(_("You are not examining a game"), 0);
12774 DisplayError(_("You can't revert while pausing"), 0);
12777 SendToICS(ics_prefix);
12778 SendToICS("revert\n");
12784 switch (gameMode) {
12785 case MachinePlaysWhite:
12786 case MachinePlaysBlack:
12787 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12788 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12791 if (forwardMostMove < 2) return;
12792 currentMove = forwardMostMove = forwardMostMove - 2;
12793 whiteTimeRemaining = timeRemaining[0][currentMove];
12794 blackTimeRemaining = timeRemaining[1][currentMove];
12795 DisplayBothClocks();
12796 DisplayMove(currentMove - 1);
12797 ClearHighlights();/*!! could figure this out*/
12798 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
12799 SendToProgram("remove\n", &first);
12800 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
12803 case BeginningOfGame:
12807 case IcsPlayingWhite:
12808 case IcsPlayingBlack:
12809 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
12810 SendToICS(ics_prefix);
12811 SendToICS("takeback 2\n");
12813 SendToICS(ics_prefix);
12814 SendToICS("takeback 1\n");
12823 ChessProgramState *cps;
12825 switch (gameMode) {
12826 case MachinePlaysWhite:
12827 if (!WhiteOnMove(forwardMostMove)) {
12828 DisplayError(_("It is your turn"), 0);
12833 case MachinePlaysBlack:
12834 if (WhiteOnMove(forwardMostMove)) {
12835 DisplayError(_("It is your turn"), 0);
12840 case TwoMachinesPlay:
12841 if (WhiteOnMove(forwardMostMove) ==
12842 (first.twoMachinesColor[0] == 'w')) {
12848 case BeginningOfGame:
12852 SendToProgram("?\n", cps);
12856 TruncateGameEvent()
12859 if (gameMode != EditGame) return;
12866 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
12867 if (forwardMostMove > currentMove) {
12868 if (gameInfo.resultDetails != NULL) {
12869 free(gameInfo.resultDetails);
12870 gameInfo.resultDetails = NULL;
12871 gameInfo.result = GameUnfinished;
12873 forwardMostMove = currentMove;
12874 HistorySet(parseList, backwardMostMove, forwardMostMove,
12882 if (appData.noChessProgram) return;
12883 switch (gameMode) {
12884 case MachinePlaysWhite:
12885 if (WhiteOnMove(forwardMostMove)) {
12886 DisplayError(_("Wait until your turn"), 0);
12890 case BeginningOfGame:
12891 case MachinePlaysBlack:
12892 if (!WhiteOnMove(forwardMostMove)) {
12893 DisplayError(_("Wait until your turn"), 0);
12898 DisplayError(_("No hint available"), 0);
12901 SendToProgram("hint\n", &first);
12902 hintRequested = TRUE;
12908 if (appData.noChessProgram) return;
12909 switch (gameMode) {
12910 case MachinePlaysWhite:
12911 if (WhiteOnMove(forwardMostMove)) {
12912 DisplayError(_("Wait until your turn"), 0);
12916 case BeginningOfGame:
12917 case MachinePlaysBlack:
12918 if (!WhiteOnMove(forwardMostMove)) {
12919 DisplayError(_("Wait until your turn"), 0);
12924 EditPositionDone(TRUE);
12926 case TwoMachinesPlay:
12931 SendToProgram("bk\n", &first);
12932 bookOutput[0] = NULLCHAR;
12933 bookRequested = TRUE;
12939 char *tags = PGNTags(&gameInfo);
12940 TagsPopUp(tags, CmailMsg());
12944 /* end button procedures */
12947 PrintPosition(fp, move)
12953 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12954 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
12955 char c = PieceToChar(boards[move][i][j]);
12956 fputc(c == 'x' ? '.' : c, fp);
12957 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
12960 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
12961 fprintf(fp, "white to play\n");
12963 fprintf(fp, "black to play\n");
12970 if (gameInfo.white != NULL) {
12971 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
12977 /* Find last component of program's own name, using some heuristics */
12979 TidyProgramName(prog, host, buf)
12980 char *prog, *host, buf[MSG_SIZ];
12983 int local = (strcmp(host, "localhost") == 0);
12984 while (!local && (p = strchr(prog, ';')) != NULL) {
12986 while (*p == ' ') p++;
12989 if (*prog == '"' || *prog == '\'') {
12990 q = strchr(prog + 1, *prog);
12992 q = strchr(prog, ' ');
12994 if (q == NULL) q = prog + strlen(prog);
12996 while (p >= prog && *p != '/' && *p != '\\') p--;
12998 if(p == prog && *p == '"') p++;
12999 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
13000 memcpy(buf, p, q - p);
13001 buf[q - p] = NULLCHAR;
13009 TimeControlTagValue()
13012 if (!appData.clockMode) {
13014 } else if (movesPerSession > 0) {
13015 sprintf(buf, "%d/%ld", movesPerSession, timeControl/1000);
13016 } else if (timeIncrement == 0) {
13017 sprintf(buf, "%ld", timeControl/1000);
13019 sprintf(buf, "%ld+%ld", timeControl/1000, timeIncrement/1000);
13021 return StrSave(buf);
13027 /* This routine is used only for certain modes */
13028 VariantClass v = gameInfo.variant;
13029 ChessMove r = GameUnfinished;
13032 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
13033 r = gameInfo.result;
13034 p = gameInfo.resultDetails;
13035 gameInfo.resultDetails = NULL;
13037 ClearGameInfo(&gameInfo);
13038 gameInfo.variant = v;
13040 switch (gameMode) {
13041 case MachinePlaysWhite:
13042 gameInfo.event = StrSave( appData.pgnEventHeader );
13043 gameInfo.site = StrSave(HostName());
13044 gameInfo.date = PGNDate();
13045 gameInfo.round = StrSave("-");
13046 gameInfo.white = StrSave(first.tidy);
13047 gameInfo.black = StrSave(UserName());
13048 gameInfo.timeControl = TimeControlTagValue();
13051 case MachinePlaysBlack:
13052 gameInfo.event = StrSave( appData.pgnEventHeader );
13053 gameInfo.site = StrSave(HostName());
13054 gameInfo.date = PGNDate();
13055 gameInfo.round = StrSave("-");
13056 gameInfo.white = StrSave(UserName());
13057 gameInfo.black = StrSave(first.tidy);
13058 gameInfo.timeControl = TimeControlTagValue();
13061 case TwoMachinesPlay:
13062 gameInfo.event = StrSave( appData.pgnEventHeader );
13063 gameInfo.site = StrSave(HostName());
13064 gameInfo.date = PGNDate();
13065 if (matchGame > 0) {
13067 sprintf(buf, "%d", matchGame);
13068 gameInfo.round = StrSave(buf);
13070 gameInfo.round = StrSave("-");
13072 if (first.twoMachinesColor[0] == 'w') {
13073 gameInfo.white = StrSave(first.tidy);
13074 gameInfo.black = StrSave(second.tidy);
13076 gameInfo.white = StrSave(second.tidy);
13077 gameInfo.black = StrSave(first.tidy);
13079 gameInfo.timeControl = TimeControlTagValue();
13083 gameInfo.event = StrSave("Edited game");
13084 gameInfo.site = StrSave(HostName());
13085 gameInfo.date = PGNDate();
13086 gameInfo.round = StrSave("-");
13087 gameInfo.white = StrSave("-");
13088 gameInfo.black = StrSave("-");
13089 gameInfo.result = r;
13090 gameInfo.resultDetails = p;
13094 gameInfo.event = StrSave("Edited position");
13095 gameInfo.site = StrSave(HostName());
13096 gameInfo.date = PGNDate();
13097 gameInfo.round = StrSave("-");
13098 gameInfo.white = StrSave("-");
13099 gameInfo.black = StrSave("-");
13102 case IcsPlayingWhite:
13103 case IcsPlayingBlack:
13108 case PlayFromGameFile:
13109 gameInfo.event = StrSave("Game from non-PGN file");
13110 gameInfo.site = StrSave(HostName());
13111 gameInfo.date = PGNDate();
13112 gameInfo.round = StrSave("-");
13113 gameInfo.white = StrSave("?");
13114 gameInfo.black = StrSave("?");
13123 ReplaceComment(index, text)
13129 while (*text == '\n') text++;
13130 len = strlen(text);
13131 while (len > 0 && text[len - 1] == '\n') len--;
13133 if (commentList[index] != NULL)
13134 free(commentList[index]);
13137 commentList[index] = NULL;
13140 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
13141 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
13142 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
13143 commentList[index] = (char *) malloc(len + 2);
13144 strncpy(commentList[index], text, len);
13145 commentList[index][len] = '\n';
13146 commentList[index][len + 1] = NULLCHAR;
13148 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
13150 commentList[index] = (char *) malloc(len + 6);
13151 strcpy(commentList[index], "{\n");
13152 strncpy(commentList[index]+2, text, len);
13153 commentList[index][len+2] = NULLCHAR;
13154 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
13155 strcat(commentList[index], "\n}\n");
13169 if (ch == '\r') continue;
13171 } while (ch != '\0');
13175 AppendComment(index, text, addBraces)
13178 Boolean addBraces; // [HGM] braces: tells if we should add {}
13183 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
13184 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
13187 while (*text == '\n') text++;
13188 len = strlen(text);
13189 while (len > 0 && text[len - 1] == '\n') len--;
13191 if (len == 0) return;
13193 if (commentList[index] != NULL) {
13194 old = commentList[index];
13195 oldlen = strlen(old);
13196 while(commentList[index][oldlen-1] == '\n')
13197 commentList[index][--oldlen] = NULLCHAR;
13198 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
13199 strcpy(commentList[index], old);
13201 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
13202 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces)) {
13203 if(addBraces) addBraces = FALSE; else { text++; len--; }
13204 while (*text == '\n') { text++; len--; }
13205 commentList[index][--oldlen] = NULLCHAR;
13207 if(addBraces) strcat(commentList[index], "\n{\n");
13208 else strcat(commentList[index], "\n");
13209 strcat(commentList[index], text);
13210 if(addBraces) strcat(commentList[index], "\n}\n");
13211 else strcat(commentList[index], "\n");
13213 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
13215 strcpy(commentList[index], "{\n");
13216 else commentList[index][0] = NULLCHAR;
13217 strcat(commentList[index], text);
13218 strcat(commentList[index], "\n");
13219 if(addBraces) strcat(commentList[index], "}\n");
13223 static char * FindStr( char * text, char * sub_text )
13225 char * result = strstr( text, sub_text );
13227 if( result != NULL ) {
13228 result += strlen( sub_text );
13234 /* [AS] Try to extract PV info from PGN comment */
13235 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
13236 char *GetInfoFromComment( int index, char * text )
13240 if( text != NULL && index > 0 ) {
13243 int time = -1, sec = 0, deci;
13244 char * s_eval = FindStr( text, "[%eval " );
13245 char * s_emt = FindStr( text, "[%emt " );
13247 if( s_eval != NULL || s_emt != NULL ) {
13251 if( s_eval != NULL ) {
13252 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
13256 if( delim != ']' ) {
13261 if( s_emt != NULL ) {
13266 /* We expect something like: [+|-]nnn.nn/dd */
13269 if(*text != '{') return text; // [HGM] braces: must be normal comment
13271 sep = strchr( text, '/' );
13272 if( sep == NULL || sep < (text+4) ) {
13276 time = -1; sec = -1; deci = -1;
13277 if( sscanf( text+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
13278 sscanf( text+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
13279 sscanf( text+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
13280 sscanf( text+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
13284 if( score_lo < 0 || score_lo >= 100 ) {
13288 if(sec >= 0) time = 600*time + 10*sec; else
13289 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
13291 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
13293 /* [HGM] PV time: now locate end of PV info */
13294 while( *++sep >= '0' && *sep <= '9'); // strip depth
13296 while( *++sep >= '0' && *sep <= '9'); // strip time
13298 while( *++sep >= '0' && *sep <= '9'); // strip seconds
13300 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
13301 while(*sep == ' ') sep++;
13312 pvInfoList[index-1].depth = depth;
13313 pvInfoList[index-1].score = score;
13314 pvInfoList[index-1].time = 10*time; // centi-sec
13315 if(*sep == '}') *sep = 0; else *--sep = '{';
13321 SendToProgram(message, cps)
13323 ChessProgramState *cps;
13325 int count, outCount, error;
13328 if (cps->pr == NULL) return;
13331 if (appData.debugMode) {
13334 fprintf(debugFP, "%ld >%-6s: %s",
13335 SubtractTimeMarks(&now, &programStartTime),
13336 cps->which, message);
13339 count = strlen(message);
13340 outCount = OutputToProcess(cps->pr, message, count, &error);
13341 if (outCount < count && !exiting
13342 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
13343 sprintf(buf, _("Error writing to %s chess program"), cps->which);
13344 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13345 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13346 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13347 sprintf(buf, "%s program exits in draw position (%s)", cps->which, cps->program);
13349 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13351 gameInfo.resultDetails = StrSave(buf);
13353 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13358 ReceiveFromProgram(isr, closure, message, count, error)
13359 InputSourceRef isr;
13367 ChessProgramState *cps = (ChessProgramState *)closure;
13369 if (isr != cps->isr) return; /* Killed intentionally */
13373 _("Error: %s chess program (%s) exited unexpectedly"),
13374 cps->which, cps->program);
13375 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13376 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13377 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13378 sprintf(buf, _("%s program exits in draw position (%s)"), cps->which, cps->program);
13380 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13382 gameInfo.resultDetails = StrSave(buf);
13384 RemoveInputSource(cps->isr);
13385 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
13388 _("Error reading from %s chess program (%s)"),
13389 cps->which, cps->program);
13390 RemoveInputSource(cps->isr);
13392 /* [AS] Program is misbehaving badly... kill it */
13393 if( count == -2 ) {
13394 DestroyChildProcess( cps->pr, 9 );
13398 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13403 if ((end_str = strchr(message, '\r')) != NULL)
13404 *end_str = NULLCHAR;
13405 if ((end_str = strchr(message, '\n')) != NULL)
13406 *end_str = NULLCHAR;
13408 if (appData.debugMode) {
13409 TimeMark now; int print = 1;
13410 char *quote = ""; char c; int i;
13412 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
13413 char start = message[0];
13414 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
13415 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
13416 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
13417 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
13418 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
13419 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
13420 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
13421 sscanf(message, "pong %c", &c)!=1 && start != '#') {
13422 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
13423 print = (appData.engineComments >= 2);
13425 message[0] = start; // restore original message
13429 fprintf(debugFP, "%ld <%-6s: %s%s\n",
13430 SubtractTimeMarks(&now, &programStartTime), cps->which,
13436 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
13437 if (appData.icsEngineAnalyze) {
13438 if (strstr(message, "whisper") != NULL ||
13439 strstr(message, "kibitz") != NULL ||
13440 strstr(message, "tellics") != NULL) return;
13443 HandleMachineMove(message, cps);
13448 SendTimeControl(cps, mps, tc, inc, sd, st)
13449 ChessProgramState *cps;
13450 int mps, inc, sd, st;
13456 if( timeControl_2 > 0 ) {
13457 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
13458 tc = timeControl_2;
13461 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
13462 inc /= cps->timeOdds;
13463 st /= cps->timeOdds;
13465 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
13468 /* Set exact time per move, normally using st command */
13469 if (cps->stKludge) {
13470 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
13472 if (seconds == 0) {
13473 sprintf(buf, "level 1 %d\n", st/60);
13475 sprintf(buf, "level 1 %d:%02d\n", st/60, seconds);
13478 sprintf(buf, "st %d\n", st);
13481 /* Set conventional or incremental time control, using level command */
13482 if (seconds == 0) {
13483 /* Note old gnuchess bug -- minutes:seconds used to not work.
13484 Fixed in later versions, but still avoid :seconds
13485 when seconds is 0. */
13486 sprintf(buf, "level %d %ld %d\n", mps, tc/60000, inc/1000);
13488 sprintf(buf, "level %d %ld:%02d %d\n", mps, tc/60000,
13489 seconds, inc/1000);
13492 SendToProgram(buf, cps);
13494 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
13495 /* Orthogonally, limit search to given depth */
13497 if (cps->sdKludge) {
13498 sprintf(buf, "depth\n%d\n", sd);
13500 sprintf(buf, "sd %d\n", sd);
13502 SendToProgram(buf, cps);
13505 if(cps->nps > 0) { /* [HGM] nps */
13506 if(cps->supportsNPS == FALSE) cps->nps = -1; // don't use if engine explicitly says not supported!
13508 sprintf(buf, "nps %d\n", cps->nps);
13509 SendToProgram(buf, cps);
13514 ChessProgramState *WhitePlayer()
13515 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
13517 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
13518 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
13524 SendTimeRemaining(cps, machineWhite)
13525 ChessProgramState *cps;
13526 int /*boolean*/ machineWhite;
13528 char message[MSG_SIZ];
13531 /* Note: this routine must be called when the clocks are stopped
13532 or when they have *just* been set or switched; otherwise
13533 it will be off by the time since the current tick started.
13535 if (machineWhite) {
13536 time = whiteTimeRemaining / 10;
13537 otime = blackTimeRemaining / 10;
13539 time = blackTimeRemaining / 10;
13540 otime = whiteTimeRemaining / 10;
13542 /* [HGM] translate opponent's time by time-odds factor */
13543 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
13544 if (appData.debugMode) {
13545 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
13548 if (time <= 0) time = 1;
13549 if (otime <= 0) otime = 1;
13551 sprintf(message, "time %ld\n", time);
13552 SendToProgram(message, cps);
13554 sprintf(message, "otim %ld\n", otime);
13555 SendToProgram(message, cps);
13559 BoolFeature(p, name, loc, cps)
13563 ChessProgramState *cps;
13566 int len = strlen(name);
13568 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13570 sscanf(*p, "%d", &val);
13572 while (**p && **p != ' ') (*p)++;
13573 sprintf(buf, "accepted %s\n", name);
13574 SendToProgram(buf, cps);
13581 IntFeature(p, name, loc, cps)
13585 ChessProgramState *cps;
13588 int len = strlen(name);
13589 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13591 sscanf(*p, "%d", loc);
13592 while (**p && **p != ' ') (*p)++;
13593 sprintf(buf, "accepted %s\n", name);
13594 SendToProgram(buf, cps);
13601 StringFeature(p, name, loc, cps)
13605 ChessProgramState *cps;
13608 int len = strlen(name);
13609 if (strncmp((*p), name, len) == 0
13610 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
13612 sscanf(*p, "%[^\"]", loc);
13613 while (**p && **p != '\"') (*p)++;
13614 if (**p == '\"') (*p)++;
13615 sprintf(buf, "accepted %s\n", name);
13616 SendToProgram(buf, cps);
13623 ParseOption(Option *opt, ChessProgramState *cps)
13624 // [HGM] options: process the string that defines an engine option, and determine
13625 // name, type, default value, and allowed value range
13627 char *p, *q, buf[MSG_SIZ];
13628 int n, min = (-1)<<31, max = 1<<31, def;
13630 if(p = strstr(opt->name, " -spin ")) {
13631 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13632 if(max < min) max = min; // enforce consistency
13633 if(def < min) def = min;
13634 if(def > max) def = max;
13639 } else if((p = strstr(opt->name, " -slider "))) {
13640 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
13641 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13642 if(max < min) max = min; // enforce consistency
13643 if(def < min) def = min;
13644 if(def > max) def = max;
13648 opt->type = Spin; // Slider;
13649 } else if((p = strstr(opt->name, " -string "))) {
13650 opt->textValue = p+9;
13651 opt->type = TextBox;
13652 } else if((p = strstr(opt->name, " -file "))) {
13653 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13654 opt->textValue = p+7;
13655 opt->type = TextBox; // FileName;
13656 } else if((p = strstr(opt->name, " -path "))) {
13657 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13658 opt->textValue = p+7;
13659 opt->type = TextBox; // PathName;
13660 } else if(p = strstr(opt->name, " -check ")) {
13661 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
13662 opt->value = (def != 0);
13663 opt->type = CheckBox;
13664 } else if(p = strstr(opt->name, " -combo ")) {
13665 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
13666 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
13667 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
13668 opt->value = n = 0;
13669 while(q = StrStr(q, " /// ")) {
13670 n++; *q = 0; // count choices, and null-terminate each of them
13672 if(*q == '*') { // remember default, which is marked with * prefix
13676 cps->comboList[cps->comboCnt++] = q;
13678 cps->comboList[cps->comboCnt++] = NULL;
13680 opt->type = ComboBox;
13681 } else if(p = strstr(opt->name, " -button")) {
13682 opt->type = Button;
13683 } else if(p = strstr(opt->name, " -save")) {
13684 opt->type = SaveButton;
13685 } else return FALSE;
13686 *p = 0; // terminate option name
13687 // now look if the command-line options define a setting for this engine option.
13688 if(cps->optionSettings && cps->optionSettings[0])
13689 p = strstr(cps->optionSettings, opt->name); else p = NULL;
13690 if(p && (p == cps->optionSettings || p[-1] == ',')) {
13691 sprintf(buf, "option %s", p);
13692 if(p = strstr(buf, ",")) *p = 0;
13694 SendToProgram(buf, cps);
13700 FeatureDone(cps, val)
13701 ChessProgramState* cps;
13704 DelayedEventCallback cb = GetDelayedEvent();
13705 if ((cb == InitBackEnd3 && cps == &first) ||
13706 (cb == TwoMachinesEventIfReady && cps == &second)) {
13707 CancelDelayedEvent();
13708 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
13710 cps->initDone = val;
13713 /* Parse feature command from engine */
13715 ParseFeatures(args, cps)
13717 ChessProgramState *cps;
13725 while (*p == ' ') p++;
13726 if (*p == NULLCHAR) return;
13728 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
13729 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
13730 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
13731 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
13732 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
13733 if (BoolFeature(&p, "reuse", &val, cps)) {
13734 /* Engine can disable reuse, but can't enable it if user said no */
13735 if (!val) cps->reuse = FALSE;
13738 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
13739 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
13740 if (gameMode == TwoMachinesPlay) {
13741 DisplayTwoMachinesTitle();
13747 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
13748 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
13749 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
13750 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
13751 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
13752 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
13753 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
13754 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
13755 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
13756 if (IntFeature(&p, "done", &val, cps)) {
13757 FeatureDone(cps, val);
13760 /* Added by Tord: */
13761 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
13762 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
13763 /* End of additions by Tord */
13765 /* [HGM] added features: */
13766 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
13767 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
13768 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
13769 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
13770 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13771 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
13772 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
13773 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
13774 sprintf(buf, "rejected option %s\n", cps->option[--cps->nrOptions].name);
13775 SendToProgram(buf, cps);
13778 if(cps->nrOptions >= MAX_OPTIONS) {
13780 sprintf(buf, "%s engine has too many options\n", cps->which);
13781 DisplayError(buf, 0);
13785 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13786 /* End of additions by HGM */
13788 /* unknown feature: complain and skip */
13790 while (*q && *q != '=') q++;
13791 sprintf(buf, "rejected %.*s\n", (int)(q-p), p);
13792 SendToProgram(buf, cps);
13798 while (*p && *p != '\"') p++;
13799 if (*p == '\"') p++;
13801 while (*p && *p != ' ') p++;
13809 PeriodicUpdatesEvent(newState)
13812 if (newState == appData.periodicUpdates)
13815 appData.periodicUpdates=newState;
13817 /* Display type changes, so update it now */
13818 // DisplayAnalysis();
13820 /* Get the ball rolling again... */
13822 AnalysisPeriodicEvent(1);
13823 StartAnalysisClock();
13828 PonderNextMoveEvent(newState)
13831 if (newState == appData.ponderNextMove) return;
13832 if (gameMode == EditPosition) EditPositionDone(TRUE);
13834 SendToProgram("hard\n", &first);
13835 if (gameMode == TwoMachinesPlay) {
13836 SendToProgram("hard\n", &second);
13839 SendToProgram("easy\n", &first);
13840 thinkOutput[0] = NULLCHAR;
13841 if (gameMode == TwoMachinesPlay) {
13842 SendToProgram("easy\n", &second);
13845 appData.ponderNextMove = newState;
13849 NewSettingEvent(option, command, value)
13855 if (gameMode == EditPosition) EditPositionDone(TRUE);
13856 sprintf(buf, "%s%s %d\n", (option ? "option ": ""), command, value);
13857 SendToProgram(buf, &first);
13858 if (gameMode == TwoMachinesPlay) {
13859 SendToProgram(buf, &second);
13864 ShowThinkingEvent()
13865 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
13867 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
13868 int newState = appData.showThinking
13869 // [HGM] thinking: other features now need thinking output as well
13870 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
13872 if (oldState == newState) return;
13873 oldState = newState;
13874 if (gameMode == EditPosition) EditPositionDone(TRUE);
13876 SendToProgram("post\n", &first);
13877 if (gameMode == TwoMachinesPlay) {
13878 SendToProgram("post\n", &second);
13881 SendToProgram("nopost\n", &first);
13882 thinkOutput[0] = NULLCHAR;
13883 if (gameMode == TwoMachinesPlay) {
13884 SendToProgram("nopost\n", &second);
13887 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
13891 AskQuestionEvent(title, question, replyPrefix, which)
13892 char *title; char *question; char *replyPrefix; char *which;
13894 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
13895 if (pr == NoProc) return;
13896 AskQuestion(title, question, replyPrefix, pr);
13900 DisplayMove(moveNumber)
13903 char message[MSG_SIZ];
13905 char cpThinkOutput[MSG_SIZ];
13907 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
13909 if (moveNumber == forwardMostMove - 1 ||
13910 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13912 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput));
13914 if (strchr(cpThinkOutput, '\n')) {
13915 *strchr(cpThinkOutput, '\n') = NULLCHAR;
13918 *cpThinkOutput = NULLCHAR;
13921 /* [AS] Hide thinking from human user */
13922 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
13923 *cpThinkOutput = NULLCHAR;
13924 if( thinkOutput[0] != NULLCHAR ) {
13927 for( i=0; i<=hiddenThinkOutputState; i++ ) {
13928 cpThinkOutput[i] = '.';
13930 cpThinkOutput[i] = NULLCHAR;
13931 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
13935 if (moveNumber == forwardMostMove - 1 &&
13936 gameInfo.resultDetails != NULL) {
13937 if (gameInfo.resultDetails[0] == NULLCHAR) {
13938 sprintf(res, " %s", PGNResult(gameInfo.result));
13940 sprintf(res, " {%s} %s",
13941 gameInfo.resultDetails, PGNResult(gameInfo.result));
13947 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
13948 DisplayMessage(res, cpThinkOutput);
13950 sprintf(message, "%d.%s%s%s", moveNumber / 2 + 1,
13951 WhiteOnMove(moveNumber) ? " " : ".. ",
13952 parseList[moveNumber], res);
13953 DisplayMessage(message, cpThinkOutput);
13958 DisplayComment(moveNumber, text)
13962 char title[MSG_SIZ];
13963 char buf[8000]; // comment can be long!
13966 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
13967 strcpy(title, "Comment");
13969 sprintf(title, "Comment on %d.%s%s", moveNumber / 2 + 1,
13970 WhiteOnMove(moveNumber) ? " " : ".. ",
13971 parseList[moveNumber]);
13973 // [HGM] PV info: display PV info together with (or as) comment
13974 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
13975 if(text == NULL) text = "";
13976 score = pvInfoList[moveNumber].score;
13977 sprintf(buf, "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
13978 depth, (pvInfoList[moveNumber].time+50)/100, text);
13981 if (text != NULL && (appData.autoDisplayComment || commentUp))
13982 CommentPopUp(title, text);
13985 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
13986 * might be busy thinking or pondering. It can be omitted if your
13987 * gnuchess is configured to stop thinking immediately on any user
13988 * input. However, that gnuchess feature depends on the FIONREAD
13989 * ioctl, which does not work properly on some flavors of Unix.
13993 ChessProgramState *cps;
13996 if (!cps->useSigint) return;
13997 if (appData.noChessProgram || (cps->pr == NoProc)) return;
13998 switch (gameMode) {
13999 case MachinePlaysWhite:
14000 case MachinePlaysBlack:
14001 case TwoMachinesPlay:
14002 case IcsPlayingWhite:
14003 case IcsPlayingBlack:
14006 /* Skip if we know it isn't thinking */
14007 if (!cps->maybeThinking) return;
14008 if (appData.debugMode)
14009 fprintf(debugFP, "Interrupting %s\n", cps->which);
14010 InterruptChildProcess(cps->pr);
14011 cps->maybeThinking = FALSE;
14016 #endif /*ATTENTION*/
14022 if (whiteTimeRemaining <= 0) {
14025 if (appData.icsActive) {
14026 if (appData.autoCallFlag &&
14027 gameMode == IcsPlayingBlack && !blackFlag) {
14028 SendToICS(ics_prefix);
14029 SendToICS("flag\n");
14033 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14035 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
14036 if (appData.autoCallFlag) {
14037 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
14044 if (blackTimeRemaining <= 0) {
14047 if (appData.icsActive) {
14048 if (appData.autoCallFlag &&
14049 gameMode == IcsPlayingWhite && !whiteFlag) {
14050 SendToICS(ics_prefix);
14051 SendToICS("flag\n");
14055 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14057 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
14058 if (appData.autoCallFlag) {
14059 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
14072 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
14073 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
14076 * add time to clocks when time control is achieved ([HGM] now also used for increment)
14078 if ( !WhiteOnMove(forwardMostMove) )
14079 /* White made time control */
14080 whiteTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
14081 /* [HGM] time odds: correct new time quota for time odds! */
14082 / WhitePlayer()->timeOdds;
14084 /* Black made time control */
14085 blackTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
14086 / WhitePlayer()->other->timeOdds;
14090 DisplayBothClocks()
14092 int wom = gameMode == EditPosition ?
14093 !blackPlaysFirst : WhiteOnMove(currentMove);
14094 DisplayWhiteClock(whiteTimeRemaining, wom);
14095 DisplayBlackClock(blackTimeRemaining, !wom);
14099 /* Timekeeping seems to be a portability nightmare. I think everyone
14100 has ftime(), but I'm really not sure, so I'm including some ifdefs
14101 to use other calls if you don't. Clocks will be less accurate if
14102 you have neither ftime nor gettimeofday.
14105 /* VS 2008 requires the #include outside of the function */
14106 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
14107 #include <sys/timeb.h>
14110 /* Get the current time as a TimeMark */
14115 #if HAVE_GETTIMEOFDAY
14117 struct timeval timeVal;
14118 struct timezone timeZone;
14120 gettimeofday(&timeVal, &timeZone);
14121 tm->sec = (long) timeVal.tv_sec;
14122 tm->ms = (int) (timeVal.tv_usec / 1000L);
14124 #else /*!HAVE_GETTIMEOFDAY*/
14127 // include <sys/timeb.h> / moved to just above start of function
14128 struct timeb timeB;
14131 tm->sec = (long) timeB.time;
14132 tm->ms = (int) timeB.millitm;
14134 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
14135 tm->sec = (long) time(NULL);
14141 /* Return the difference in milliseconds between two
14142 time marks. We assume the difference will fit in a long!
14145 SubtractTimeMarks(tm2, tm1)
14146 TimeMark *tm2, *tm1;
14148 return 1000L*(tm2->sec - tm1->sec) +
14149 (long) (tm2->ms - tm1->ms);
14154 * Code to manage the game clocks.
14156 * In tournament play, black starts the clock and then white makes a move.
14157 * We give the human user a slight advantage if he is playing white---the
14158 * clocks don't run until he makes his first move, so it takes zero time.
14159 * Also, we don't account for network lag, so we could get out of sync
14160 * with GNU Chess's clock -- but then, referees are always right.
14163 static TimeMark tickStartTM;
14164 static long intendedTickLength;
14167 NextTickLength(timeRemaining)
14168 long timeRemaining;
14170 long nominalTickLength, nextTickLength;
14172 if (timeRemaining > 0L && timeRemaining <= 10000L)
14173 nominalTickLength = 100L;
14175 nominalTickLength = 1000L;
14176 nextTickLength = timeRemaining % nominalTickLength;
14177 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
14179 return nextTickLength;
14182 /* Adjust clock one minute up or down */
14184 AdjustClock(Boolean which, int dir)
14186 if(which) blackTimeRemaining += 60000*dir;
14187 else whiteTimeRemaining += 60000*dir;
14188 DisplayBothClocks();
14191 /* Stop clocks and reset to a fresh time control */
14195 (void) StopClockTimer();
14196 if (appData.icsActive) {
14197 whiteTimeRemaining = blackTimeRemaining = 0;
14198 } else if (searchTime) {
14199 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14200 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14201 } else { /* [HGM] correct new time quote for time odds */
14202 whiteTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->timeOdds;
14203 blackTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->other->timeOdds;
14205 if (whiteFlag || blackFlag) {
14207 whiteFlag = blackFlag = FALSE;
14209 DisplayBothClocks();
14212 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
14214 /* Decrement running clock by amount of time that has passed */
14218 long timeRemaining;
14219 long lastTickLength, fudge;
14222 if (!appData.clockMode) return;
14223 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
14227 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14229 /* Fudge if we woke up a little too soon */
14230 fudge = intendedTickLength - lastTickLength;
14231 if (fudge < 0 || fudge > FUDGE) fudge = 0;
14233 if (WhiteOnMove(forwardMostMove)) {
14234 if(whiteNPS >= 0) lastTickLength = 0;
14235 timeRemaining = whiteTimeRemaining -= lastTickLength;
14236 DisplayWhiteClock(whiteTimeRemaining - fudge,
14237 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14239 if(blackNPS >= 0) lastTickLength = 0;
14240 timeRemaining = blackTimeRemaining -= lastTickLength;
14241 DisplayBlackClock(blackTimeRemaining - fudge,
14242 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14245 if (CheckFlags()) return;
14248 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
14249 StartClockTimer(intendedTickLength);
14251 /* if the time remaining has fallen below the alarm threshold, sound the
14252 * alarm. if the alarm has sounded and (due to a takeback or time control
14253 * with increment) the time remaining has increased to a level above the
14254 * threshold, reset the alarm so it can sound again.
14257 if (appData.icsActive && appData.icsAlarm) {
14259 /* make sure we are dealing with the user's clock */
14260 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
14261 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
14264 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
14265 alarmSounded = FALSE;
14266 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
14268 alarmSounded = TRUE;
14274 /* A player has just moved, so stop the previously running
14275 clock and (if in clock mode) start the other one.
14276 We redisplay both clocks in case we're in ICS mode, because
14277 ICS gives us an update to both clocks after every move.
14278 Note that this routine is called *after* forwardMostMove
14279 is updated, so the last fractional tick must be subtracted
14280 from the color that is *not* on move now.
14283 SwitchClocks(int newMoveNr)
14285 long lastTickLength;
14287 int flagged = FALSE;
14291 if (StopClockTimer() && appData.clockMode) {
14292 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14293 if (!WhiteOnMove(forwardMostMove)) {
14294 if(blackNPS >= 0) lastTickLength = 0;
14295 blackTimeRemaining -= lastTickLength;
14296 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14297 // if(pvInfoList[forwardMostMove-1].time == -1)
14298 pvInfoList[forwardMostMove-1].time = // use GUI time
14299 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
14301 if(whiteNPS >= 0) lastTickLength = 0;
14302 whiteTimeRemaining -= lastTickLength;
14303 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14304 // if(pvInfoList[forwardMostMove-1].time == -1)
14305 pvInfoList[forwardMostMove-1].time =
14306 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
14308 flagged = CheckFlags();
14310 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
14311 CheckTimeControl();
14313 if (flagged || !appData.clockMode) return;
14315 switch (gameMode) {
14316 case MachinePlaysBlack:
14317 case MachinePlaysWhite:
14318 case BeginningOfGame:
14319 if (pausing) return;
14323 case PlayFromGameFile:
14331 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
14332 if(WhiteOnMove(forwardMostMove))
14333 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14334 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14338 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14339 whiteTimeRemaining : blackTimeRemaining);
14340 StartClockTimer(intendedTickLength);
14344 /* Stop both clocks */
14348 long lastTickLength;
14351 if (!StopClockTimer()) return;
14352 if (!appData.clockMode) return;
14356 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14357 if (WhiteOnMove(forwardMostMove)) {
14358 if(whiteNPS >= 0) lastTickLength = 0;
14359 whiteTimeRemaining -= lastTickLength;
14360 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
14362 if(blackNPS >= 0) lastTickLength = 0;
14363 blackTimeRemaining -= lastTickLength;
14364 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
14369 /* Start clock of player on move. Time may have been reset, so
14370 if clock is already running, stop and restart it. */
14374 (void) StopClockTimer(); /* in case it was running already */
14375 DisplayBothClocks();
14376 if (CheckFlags()) return;
14378 if (!appData.clockMode) return;
14379 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
14381 GetTimeMark(&tickStartTM);
14382 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14383 whiteTimeRemaining : blackTimeRemaining);
14385 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
14386 whiteNPS = blackNPS = -1;
14387 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
14388 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
14389 whiteNPS = first.nps;
14390 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
14391 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
14392 blackNPS = first.nps;
14393 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
14394 whiteNPS = second.nps;
14395 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
14396 blackNPS = second.nps;
14397 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
14399 StartClockTimer(intendedTickLength);
14406 long second, minute, hour, day;
14408 static char buf[32];
14410 if (ms > 0 && ms <= 9900) {
14411 /* convert milliseconds to tenths, rounding up */
14412 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
14414 sprintf(buf, " %03.1f ", tenths/10.0);
14418 /* convert milliseconds to seconds, rounding up */
14419 /* use floating point to avoid strangeness of integer division
14420 with negative dividends on many machines */
14421 second = (long) floor(((double) (ms + 999L)) / 1000.0);
14428 day = second / (60 * 60 * 24);
14429 second = second % (60 * 60 * 24);
14430 hour = second / (60 * 60);
14431 second = second % (60 * 60);
14432 minute = second / 60;
14433 second = second % 60;
14436 sprintf(buf, " %s%ld:%02ld:%02ld:%02ld ",
14437 sign, day, hour, minute, second);
14439 sprintf(buf, " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
14441 sprintf(buf, " %s%2ld:%02ld ", sign, minute, second);
14448 * This is necessary because some C libraries aren't ANSI C compliant yet.
14451 StrStr(string, match)
14452 char *string, *match;
14456 length = strlen(match);
14458 for (i = strlen(string) - length; i >= 0; i--, string++)
14459 if (!strncmp(match, string, length))
14466 StrCaseStr(string, match)
14467 char *string, *match;
14471 length = strlen(match);
14473 for (i = strlen(string) - length; i >= 0; i--, string++) {
14474 for (j = 0; j < length; j++) {
14475 if (ToLower(match[j]) != ToLower(string[j]))
14478 if (j == length) return string;
14492 c1 = ToLower(*s1++);
14493 c2 = ToLower(*s2++);
14494 if (c1 > c2) return 1;
14495 if (c1 < c2) return -1;
14496 if (c1 == NULLCHAR) return 0;
14505 return isupper(c) ? tolower(c) : c;
14513 return islower(c) ? toupper(c) : c;
14515 #endif /* !_amigados */
14523 if ((ret = (char *) malloc(strlen(s) + 1))) {
14530 StrSavePtr(s, savePtr)
14531 char *s, **savePtr;
14536 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
14537 strcpy(*savePtr, s);
14549 clock = time((time_t *)NULL);
14550 tm = localtime(&clock);
14551 sprintf(buf, "%04d.%02d.%02d",
14552 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
14553 return StrSave(buf);
14558 PositionToFEN(move, overrideCastling)
14560 char *overrideCastling;
14562 int i, j, fromX, fromY, toX, toY;
14569 whiteToPlay = (gameMode == EditPosition) ?
14570 !blackPlaysFirst : (move % 2 == 0);
14573 /* Piece placement data */
14574 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14576 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14577 if (boards[move][i][j] == EmptySquare) {
14579 } else { ChessSquare piece = boards[move][i][j];
14580 if (emptycount > 0) {
14581 if(emptycount<10) /* [HGM] can be >= 10 */
14582 *p++ = '0' + emptycount;
14583 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14586 if(PieceToChar(piece) == '+') {
14587 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
14589 piece = (ChessSquare)(DEMOTED piece);
14591 *p++ = PieceToChar(piece);
14593 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
14594 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
14599 if (emptycount > 0) {
14600 if(emptycount<10) /* [HGM] can be >= 10 */
14601 *p++ = '0' + emptycount;
14602 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14609 /* [HGM] print Crazyhouse or Shogi holdings */
14610 if( gameInfo.holdingsWidth ) {
14611 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
14613 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
14614 piece = boards[move][i][BOARD_WIDTH-1];
14615 if( piece != EmptySquare )
14616 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
14617 *p++ = PieceToChar(piece);
14619 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
14620 piece = boards[move][BOARD_HEIGHT-i-1][0];
14621 if( piece != EmptySquare )
14622 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
14623 *p++ = PieceToChar(piece);
14626 if( q == p ) *p++ = '-';
14632 *p++ = whiteToPlay ? 'w' : 'b';
14635 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
14636 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
14638 if(nrCastlingRights) {
14640 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
14641 /* [HGM] write directly from rights */
14642 if(boards[move][CASTLING][2] != NoRights &&
14643 boards[move][CASTLING][0] != NoRights )
14644 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
14645 if(boards[move][CASTLING][2] != NoRights &&
14646 boards[move][CASTLING][1] != NoRights )
14647 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
14648 if(boards[move][CASTLING][5] != NoRights &&
14649 boards[move][CASTLING][3] != NoRights )
14650 *p++ = boards[move][CASTLING][3] + AAA;
14651 if(boards[move][CASTLING][5] != NoRights &&
14652 boards[move][CASTLING][4] != NoRights )
14653 *p++ = boards[move][CASTLING][4] + AAA;
14656 /* [HGM] write true castling rights */
14657 if( nrCastlingRights == 6 ) {
14658 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
14659 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
14660 if(boards[move][CASTLING][1] == BOARD_LEFT &&
14661 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
14662 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
14663 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
14664 if(boards[move][CASTLING][4] == BOARD_LEFT &&
14665 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
14668 if (q == p) *p++ = '-'; /* No castling rights */
14672 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14673 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14674 /* En passant target square */
14675 if (move > backwardMostMove) {
14676 fromX = moveList[move - 1][0] - AAA;
14677 fromY = moveList[move - 1][1] - ONE;
14678 toX = moveList[move - 1][2] - AAA;
14679 toY = moveList[move - 1][3] - ONE;
14680 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
14681 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
14682 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
14684 /* 2-square pawn move just happened */
14686 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14690 } else if(move == backwardMostMove) {
14691 // [HGM] perhaps we should always do it like this, and forget the above?
14692 if((signed char)boards[move][EP_STATUS] >= 0) {
14693 *p++ = boards[move][EP_STATUS] + AAA;
14694 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14705 /* [HGM] find reversible plies */
14706 { int i = 0, j=move;
14708 if (appData.debugMode) { int k;
14709 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
14710 for(k=backwardMostMove; k<=forwardMostMove; k++)
14711 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
14715 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
14716 if( j == backwardMostMove ) i += initialRulePlies;
14717 sprintf(p, "%d ", i);
14718 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
14720 /* Fullmove number */
14721 sprintf(p, "%d", (move / 2) + 1);
14723 return StrSave(buf);
14727 ParseFEN(board, blackPlaysFirst, fen)
14729 int *blackPlaysFirst;
14739 /* [HGM] by default clear Crazyhouse holdings, if present */
14740 if(gameInfo.holdingsWidth) {
14741 for(i=0; i<BOARD_HEIGHT; i++) {
14742 board[i][0] = EmptySquare; /* black holdings */
14743 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
14744 board[i][1] = (ChessSquare) 0; /* black counts */
14745 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
14749 /* Piece placement data */
14750 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14753 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
14754 if (*p == '/') p++;
14755 emptycount = gameInfo.boardWidth - j;
14756 while (emptycount--)
14757 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14759 #if(BOARD_FILES >= 10)
14760 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
14761 p++; emptycount=10;
14762 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14763 while (emptycount--)
14764 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14766 } else if (isdigit(*p)) {
14767 emptycount = *p++ - '0';
14768 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
14769 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14770 while (emptycount--)
14771 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14772 } else if (*p == '+' || isalpha(*p)) {
14773 if (j >= gameInfo.boardWidth) return FALSE;
14775 piece = CharToPiece(*++p);
14776 if(piece == EmptySquare) return FALSE; /* unknown piece */
14777 piece = (ChessSquare) (PROMOTED piece ); p++;
14778 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
14779 } else piece = CharToPiece(*p++);
14781 if(piece==EmptySquare) return FALSE; /* unknown piece */
14782 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
14783 piece = (ChessSquare) (PROMOTED piece);
14784 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
14787 board[i][(j++)+gameInfo.holdingsWidth] = piece;
14793 while (*p == '/' || *p == ' ') p++;
14795 /* [HGM] look for Crazyhouse holdings here */
14796 while(*p==' ') p++;
14797 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
14799 if(*p == '-' ) *p++; /* empty holdings */ else {
14800 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
14801 /* if we would allow FEN reading to set board size, we would */
14802 /* have to add holdings and shift the board read so far here */
14803 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
14805 if((int) piece >= (int) BlackPawn ) {
14806 i = (int)piece - (int)BlackPawn;
14807 i = PieceToNumber((ChessSquare)i);
14808 if( i >= gameInfo.holdingsSize ) return FALSE;
14809 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
14810 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
14812 i = (int)piece - (int)WhitePawn;
14813 i = PieceToNumber((ChessSquare)i);
14814 if( i >= gameInfo.holdingsSize ) return FALSE;
14815 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
14816 board[i][BOARD_WIDTH-2]++; /* black holdings */
14820 if(*p == ']') *p++;
14823 while(*p == ' ') p++;
14828 *blackPlaysFirst = FALSE;
14831 *blackPlaysFirst = TRUE;
14837 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
14838 /* return the extra info in global variiables */
14840 /* set defaults in case FEN is incomplete */
14841 board[EP_STATUS] = EP_UNKNOWN;
14842 for(i=0; i<nrCastlingRights; i++ ) {
14843 board[CASTLING][i] =
14844 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
14845 } /* assume possible unless obviously impossible */
14846 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
14847 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
14848 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
14849 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
14850 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
14851 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
14852 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
14853 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
14856 while(*p==' ') p++;
14857 if(nrCastlingRights) {
14858 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
14859 /* castling indicator present, so default becomes no castlings */
14860 for(i=0; i<nrCastlingRights; i++ ) {
14861 board[CASTLING][i] = NoRights;
14864 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
14865 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
14866 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
14867 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
14868 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
14870 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
14871 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
14872 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
14874 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
14875 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
14876 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
14877 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
14878 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
14879 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
14882 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
14883 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
14884 board[CASTLING][2] = whiteKingFile;
14887 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
14888 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
14889 board[CASTLING][2] = whiteKingFile;
14892 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
14893 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
14894 board[CASTLING][5] = blackKingFile;
14897 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
14898 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
14899 board[CASTLING][5] = blackKingFile;
14902 default: /* FRC castlings */
14903 if(c >= 'a') { /* black rights */
14904 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
14905 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
14906 if(i == BOARD_RGHT) break;
14907 board[CASTLING][5] = i;
14909 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
14910 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
14912 board[CASTLING][3] = c;
14914 board[CASTLING][4] = c;
14915 } else { /* white rights */
14916 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
14917 if(board[0][i] == WhiteKing) break;
14918 if(i == BOARD_RGHT) break;
14919 board[CASTLING][2] = i;
14920 c -= AAA - 'a' + 'A';
14921 if(board[0][c] >= WhiteKing) break;
14923 board[CASTLING][0] = c;
14925 board[CASTLING][1] = c;
14929 for(i=0; i<nrCastlingRights; i++)
14930 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
14931 if (appData.debugMode) {
14932 fprintf(debugFP, "FEN castling rights:");
14933 for(i=0; i<nrCastlingRights; i++)
14934 fprintf(debugFP, " %d", board[CASTLING][i]);
14935 fprintf(debugFP, "\n");
14938 while(*p==' ') p++;
14941 /* read e.p. field in games that know e.p. capture */
14942 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14943 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14945 p++; board[EP_STATUS] = EP_NONE;
14947 char c = *p++ - AAA;
14949 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
14950 if(*p >= '0' && *p <='9') *p++;
14951 board[EP_STATUS] = c;
14956 if(sscanf(p, "%d", &i) == 1) {
14957 FENrulePlies = i; /* 50-move ply counter */
14958 /* (The move number is still ignored) */
14965 EditPositionPasteFEN(char *fen)
14968 Board initial_position;
14970 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
14971 DisplayError(_("Bad FEN position in clipboard"), 0);
14974 int savedBlackPlaysFirst = blackPlaysFirst;
14975 EditPositionEvent();
14976 blackPlaysFirst = savedBlackPlaysFirst;
14977 CopyBoard(boards[0], initial_position);
14978 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
14979 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
14980 DisplayBothClocks();
14981 DrawPosition(FALSE, boards[currentMove]);
14986 static char cseq[12] = "\\ ";
14988 Boolean set_cont_sequence(char *new_seq)
14993 // handle bad attempts to set the sequence
14995 return 0; // acceptable error - no debug
14997 len = strlen(new_seq);
14998 ret = (len > 0) && (len < sizeof(cseq));
15000 strcpy(cseq, new_seq);
15001 else if (appData.debugMode)
15002 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
15007 reformat a source message so words don't cross the width boundary. internal
15008 newlines are not removed. returns the wrapped size (no null character unless
15009 included in source message). If dest is NULL, only calculate the size required
15010 for the dest buffer. lp argument indicats line position upon entry, and it's
15011 passed back upon exit.
15013 int wrap(char *dest, char *src, int count, int width, int *lp)
15015 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
15017 cseq_len = strlen(cseq);
15018 old_line = line = *lp;
15019 ansi = len = clen = 0;
15021 for (i=0; i < count; i++)
15023 if (src[i] == '\033')
15026 // if we hit the width, back up
15027 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
15029 // store i & len in case the word is too long
15030 old_i = i, old_len = len;
15032 // find the end of the last word
15033 while (i && src[i] != ' ' && src[i] != '\n')
15039 // word too long? restore i & len before splitting it
15040 if ((old_i-i+clen) >= width)
15047 if (i && src[i-1] == ' ')
15050 if (src[i] != ' ' && src[i] != '\n')
15057 // now append the newline and continuation sequence
15062 strncpy(dest+len, cseq, cseq_len);
15070 dest[len] = src[i];
15074 if (src[i] == '\n')
15079 if (dest && appData.debugMode)
15081 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
15082 count, width, line, len, *lp);
15083 show_bytes(debugFP, src, count);
15084 fprintf(debugFP, "\ndest: ");
15085 show_bytes(debugFP, dest, len);
15086 fprintf(debugFP, "\n");
15088 *lp = dest ? line : old_line;
15093 // [HGM] vari: routines for shelving variations
15096 PushTail(int firstMove, int lastMove)
15098 int i, j, nrMoves = lastMove - firstMove;
15100 if(appData.icsActive) { // only in local mode
15101 forwardMostMove = currentMove; // mimic old ICS behavior
15104 if(storedGames >= MAX_VARIATIONS-1) return;
15106 // push current tail of game on stack
15107 savedResult[storedGames] = gameInfo.result;
15108 savedDetails[storedGames] = gameInfo.resultDetails;
15109 gameInfo.resultDetails = NULL;
15110 savedFirst[storedGames] = firstMove;
15111 savedLast [storedGames] = lastMove;
15112 savedFramePtr[storedGames] = framePtr;
15113 framePtr -= nrMoves; // reserve space for the boards
15114 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
15115 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
15116 for(j=0; j<MOVE_LEN; j++)
15117 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
15118 for(j=0; j<2*MOVE_LEN; j++)
15119 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
15120 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
15121 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
15122 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
15123 pvInfoList[firstMove+i-1].depth = 0;
15124 commentList[framePtr+i] = commentList[firstMove+i];
15125 commentList[firstMove+i] = NULL;
15129 forwardMostMove = firstMove; // truncate game so we can start variation
15130 if(storedGames == 1) GreyRevert(FALSE);
15134 PopTail(Boolean annotate)
15137 char buf[8000], moveBuf[20];
15139 if(appData.icsActive) return FALSE; // only in local mode
15140 if(!storedGames) return FALSE; // sanity
15141 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
15144 ToNrEvent(savedFirst[storedGames]); // sets currentMove
15145 nrMoves = savedLast[storedGames] - currentMove;
15148 if(!WhiteOnMove(currentMove)) sprintf(buf, "(%d...", currentMove+2>>1);
15149 else strcpy(buf, "(");
15150 for(i=currentMove; i<forwardMostMove; i++) {
15152 sprintf(moveBuf, " %d. %s", i+2>>1, SavePart(parseList[i]));
15153 else sprintf(moveBuf, " %s", SavePart(parseList[i]));
15154 strcat(buf, moveBuf);
15155 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
15156 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
15160 for(i=1; i<=nrMoves; i++) { // copy last variation back
15161 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
15162 for(j=0; j<MOVE_LEN; j++)
15163 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
15164 for(j=0; j<2*MOVE_LEN; j++)
15165 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
15166 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
15167 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
15168 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
15169 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
15170 commentList[currentMove+i] = commentList[framePtr+i];
15171 commentList[framePtr+i] = NULL;
15173 if(annotate) AppendComment(currentMove+1, buf, FALSE);
15174 framePtr = savedFramePtr[storedGames];
15175 gameInfo.result = savedResult[storedGames];
15176 if(gameInfo.resultDetails != NULL) {
15177 free(gameInfo.resultDetails);
15179 gameInfo.resultDetails = savedDetails[storedGames];
15180 forwardMostMove = currentMove + nrMoves;
15181 if(storedGames == 0) GreyRevert(TRUE);
15187 { // remove all shelved variations
15189 for(i=0; i<storedGames; i++) {
15190 if(savedDetails[i])
15191 free(savedDetails[i]);
15192 savedDetails[i] = NULL;
15194 for(i=framePtr; i<MAX_MOVES; i++) {
15195 if(commentList[i]) free(commentList[i]);
15196 commentList[i] = NULL;
15198 framePtr = MAX_MOVES-1;
15203 LoadVariation(int index, char *text)
15204 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
15205 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
15206 int level = 0, move;
15208 if(gameMode != EditGame && gameMode != AnalyzeMode) return;
15209 // first find outermost bracketing variation
15210 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
15211 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
15212 if(*p == '{') wait = '}'; else
15213 if(*p == '[') wait = ']'; else
15214 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
15215 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
15217 if(*p == wait) wait = NULLCHAR; // closing ]} found
15220 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
15221 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
15222 end[1] = NULLCHAR; // clip off comment beyond variation
15223 ToNrEvent(currentMove-1);
15224 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
15225 // kludge: use ParsePV() to append variation to game
15226 move = currentMove;
15227 ParsePV(start, TRUE);
15228 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
15229 ClearPremoveHighlights();
15231 ToNrEvent(currentMove+1);