2 * backend.c -- Common back end for X and Windows NT versions of
4 * Copyright 1991 by Digital Equipment Corporation, Maynard,
7 * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
8 * 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
10 * Enhancements Copyright 2005 Alessandro Scotti
12 * The following terms apply to Digital Equipment Corporation's copyright
14 * ------------------------------------------------------------------------
17 * Permission to use, copy, modify, and distribute this software and its
18 * documentation for any purpose and without fee is hereby granted,
19 * provided that the above copyright notice appear in all copies and that
20 * both that copyright notice and this permission notice appear in
21 * supporting documentation, and that the name of Digital not be
22 * used in advertising or publicity pertaining to distribution of the
23 * software without specific, written prior permission.
25 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
26 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
27 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
28 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
29 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
30 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
32 * ------------------------------------------------------------------------
34 * The following terms apply to the enhanced version of XBoard
35 * distributed by the Free Software Foundation:
36 * ------------------------------------------------------------------------
38 * GNU XBoard is free software: you can redistribute it and/or modify
39 * it under the terms of the GNU General Public License as published by
40 * the Free Software Foundation, either version 3 of the License, or (at
41 * your option) any later version.
43 * GNU XBoard is distributed in the hope that it will be useful, but
44 * WITHOUT ANY WARRANTY; without even the implied warranty of
45 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
46 * General Public License for more details.
48 * You should have received a copy of the GNU General Public License
49 * along with this program. If not, see http://www.gnu.org/licenses/. *
51 *------------------------------------------------------------------------
52 ** See the file ChangeLog for a revision history. */
54 /* [AS] Also useful here for debugging */
58 #define DoSleep( n ) if( (n) != 0 ) Sleep( (n) );
62 #define DoSleep( n ) if( (n) >= 0) sleep(n)
72 #include <sys/types.h>
81 #else /* not STDC_HEADERS */
84 # else /* not HAVE_STRING_H */
86 # endif /* not HAVE_STRING_H */
87 #endif /* not STDC_HEADERS */
90 # include <sys/fcntl.h>
91 #else /* not HAVE_SYS_FCNTL_H */
94 # endif /* HAVE_FCNTL_H */
95 #endif /* not HAVE_SYS_FCNTL_H */
97 #if TIME_WITH_SYS_TIME
98 # include <sys/time.h>
102 # include <sys/time.h>
108 #if defined(_amigados) && !defined(__GNUC__)
113 extern int gettimeofday(struct timeval *, struct timezone *);
121 #include "frontend.h"
128 #include "backendz.h"
132 # define _(s) gettext (s)
133 # define N_(s) gettext_noop (s)
140 /* A point in time */
142 long sec; /* Assuming this is >= 32 bits */
143 int ms; /* Assuming this is >= 16 bits */
146 int establish P((void));
147 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
148 char *buf, int count, int error));
149 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
150 char *buf, int count, int error));
151 void ics_printf P((char *format, ...));
152 void SendToICS P((char *s));
153 void SendToICSDelayed P((char *s, long msdelay));
154 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY,
156 void HandleMachineMove P((char *message, ChessProgramState *cps));
157 int AutoPlayOneMove P((void));
158 int LoadGameOneMove P((ChessMove readAhead));
159 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
160 int LoadPositionFromFile P((char *filename, int n, char *title));
161 int SavePositionToFile P((char *filename));
162 void ApplyMove P((int fromX, int fromY, int toX, int toY, int promoChar,
164 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
165 void ShowMove P((int fromX, int fromY, int toX, int toY));
166 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
167 /*char*/int promoChar));
168 void BackwardInner P((int target));
169 void ForwardInner P((int target));
170 int Adjudicate P((ChessProgramState *cps));
171 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
172 void EditPositionDone P((Boolean fakeRights));
173 void PrintOpponents P((FILE *fp));
174 void PrintPosition P((FILE *fp, int move));
175 void StartChessProgram P((ChessProgramState *cps));
176 void SendToProgram P((char *message, ChessProgramState *cps));
177 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
178 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
179 char *buf, int count, int error));
180 void SendTimeControl P((ChessProgramState *cps,
181 int mps, long tc, int inc, int sd, int st));
182 char *TimeControlTagValue P((void));
183 void Attention P((ChessProgramState *cps));
184 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
185 void ResurrectChessProgram P((void));
186 void DisplayComment P((int moveNumber, char *text));
187 void DisplayMove P((int moveNumber));
189 void ParseGameHistory P((char *game));
190 void ParseBoard12 P((char *string));
191 void KeepAlive P((void));
192 void StartClocks P((void));
193 void SwitchClocks P((int nr));
194 void StopClocks P((void));
195 void ResetClocks P((void));
196 char *PGNDate P((void));
197 void SetGameInfo P((void));
198 Boolean ParseFEN P((Board board, int *blackPlaysFirst, char *fen));
199 int RegisterMove P((void));
200 void MakeRegisteredMove P((void));
201 void TruncateGame P((void));
202 int looking_at P((char *, int *, char *));
203 void CopyPlayerNameIntoFileName P((char **, char *));
204 char *SavePart P((char *));
205 int SaveGameOldStyle P((FILE *));
206 int SaveGamePGN P((FILE *));
207 void GetTimeMark P((TimeMark *));
208 long SubtractTimeMarks P((TimeMark *, TimeMark *));
209 int CheckFlags P((void));
210 long NextTickLength P((long));
211 void CheckTimeControl P((void));
212 void show_bytes P((FILE *, char *, int));
213 int string_to_rating P((char *str));
214 void ParseFeatures P((char* args, ChessProgramState *cps));
215 void InitBackEnd3 P((void));
216 void FeatureDone P((ChessProgramState* cps, int val));
217 void InitChessProgram P((ChessProgramState *cps, int setup));
218 void OutputKibitz(int window, char *text);
219 int PerpetualChase(int first, int last);
220 int EngineOutputIsUp();
221 void InitDrawingSizes(int x, int y);
224 extern void ConsoleCreate();
227 ChessProgramState *WhitePlayer();
228 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
229 int VerifyDisplayMode P(());
231 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
232 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
233 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
234 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
235 void ics_update_width P((int new_width));
236 extern char installDir[MSG_SIZ];
238 extern int tinyLayout, smallLayout;
239 ChessProgramStats programStats;
240 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
242 static int exiting = 0; /* [HGM] moved to top */
243 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
244 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
245 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
246 int partnerHighlight[2];
247 Boolean partnerBoardValid = 0;
248 char partnerStatus[MSG_SIZ];
250 Boolean originalFlip;
251 Boolean twoBoards = 0;
252 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
253 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
254 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
255 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
256 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
257 int opponentKibitzes;
258 int lastSavedGame; /* [HGM] save: ID of game */
259 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
260 extern int chatCount;
262 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
264 /* States for ics_getting_history */
266 #define H_REQUESTED 1
267 #define H_GOT_REQ_HEADER 2
268 #define H_GOT_UNREQ_HEADER 3
269 #define H_GETTING_MOVES 4
270 #define H_GOT_UNWANTED_HEADER 5
272 /* whosays values for GameEnds */
281 /* Maximum number of games in a cmail message */
282 #define CMAIL_MAX_GAMES 20
284 /* Different types of move when calling RegisterMove */
286 #define CMAIL_RESIGN 1
288 #define CMAIL_ACCEPT 3
290 /* Different types of result to remember for each game */
291 #define CMAIL_NOT_RESULT 0
292 #define CMAIL_OLD_RESULT 1
293 #define CMAIL_NEW_RESULT 2
295 /* Telnet protocol constants */
306 static char * safeStrCpy( char * dst, const char * src, size_t count )
308 assert( dst != NULL );
309 assert( src != NULL );
312 strncpy( dst, src, count );
313 dst[ count-1 ] = '\0';
317 /* Some compiler can't cast u64 to double
318 * This function do the job for us:
320 * We use the highest bit for cast, this only
321 * works if the highest bit is not
322 * in use (This should not happen)
324 * We used this for all compiler
327 u64ToDouble(u64 value)
330 u64 tmp = value & u64Const(0x7fffffffffffffff);
331 r = (double)(s64)tmp;
332 if (value & u64Const(0x8000000000000000))
333 r += 9.2233720368547758080e18; /* 2^63 */
337 /* Fake up flags for now, as we aren't keeping track of castling
338 availability yet. [HGM] Change of logic: the flag now only
339 indicates the type of castlings allowed by the rule of the game.
340 The actual rights themselves are maintained in the array
341 castlingRights, as part of the game history, and are not probed
347 int flags = F_ALL_CASTLE_OK;
348 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
349 switch (gameInfo.variant) {
351 flags &= ~F_ALL_CASTLE_OK;
352 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
353 flags |= F_IGNORE_CHECK;
355 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
358 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
360 case VariantKriegspiel:
361 flags |= F_KRIEGSPIEL_CAPTURE;
363 case VariantCapaRandom:
364 case VariantFischeRandom:
365 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
366 case VariantNoCastle:
367 case VariantShatranj:
370 flags &= ~F_ALL_CASTLE_OK;
378 FILE *gameFileFP, *debugFP;
381 [AS] Note: sometimes, the sscanf() function is used to parse the input
382 into a fixed-size buffer. Because of this, we must be prepared to
383 receive strings as long as the size of the input buffer, which is currently
384 set to 4K for Windows and 8K for the rest.
385 So, we must either allocate sufficiently large buffers here, or
386 reduce the size of the input buffer in the input reading part.
389 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
390 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
391 char thinkOutput1[MSG_SIZ*10];
393 ChessProgramState first, second;
395 /* premove variables */
398 int premoveFromX = 0;
399 int premoveFromY = 0;
400 int premovePromoChar = 0;
402 Boolean alarmSounded;
403 /* end premove variables */
405 char *ics_prefix = "$";
406 int ics_type = ICS_GENERIC;
408 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
409 int pauseExamForwardMostMove = 0;
410 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
411 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
412 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
413 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
414 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
415 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
416 int whiteFlag = FALSE, blackFlag = FALSE;
417 int userOfferedDraw = FALSE;
418 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
419 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
420 int cmailMoveType[CMAIL_MAX_GAMES];
421 long ics_clock_paused = 0;
422 ProcRef icsPR = NoProc, cmailPR = NoProc;
423 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
424 GameMode gameMode = BeginningOfGame;
425 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
426 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
427 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
428 int hiddenThinkOutputState = 0; /* [AS] */
429 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
430 int adjudicateLossPlies = 6;
431 char white_holding[64], black_holding[64];
432 TimeMark lastNodeCountTime;
433 long lastNodeCount=0;
434 int have_sent_ICS_logon = 0;
436 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement;
437 long timeControl_2; /* [AS] Allow separate time controls */
438 char *fullTimeControlString = NULL; /* [HGM] secondary TC: merge of MPS, TC and inc */
439 long timeRemaining[2][MAX_MOVES];
441 TimeMark programStartTime;
442 char ics_handle[MSG_SIZ];
443 int have_set_title = 0;
445 /* animateTraining preserves the state of appData.animate
446 * when Training mode is activated. This allows the
447 * response to be animated when appData.animate == TRUE and
448 * appData.animateDragging == TRUE.
450 Boolean animateTraining;
456 Board boards[MAX_MOVES];
457 /* [HGM] Following 7 needed for accurate legality tests: */
458 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
459 signed char initialRights[BOARD_FILES];
460 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
461 int initialRulePlies, FENrulePlies;
462 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
465 int mute; // mute all sounds
467 // [HGM] vari: next 12 to save and restore variations
468 #define MAX_VARIATIONS 10
469 int framePtr = MAX_MOVES-1; // points to free stack entry
471 int savedFirst[MAX_VARIATIONS];
472 int savedLast[MAX_VARIATIONS];
473 int savedFramePtr[MAX_VARIATIONS];
474 char *savedDetails[MAX_VARIATIONS];
475 ChessMove savedResult[MAX_VARIATIONS];
477 void PushTail P((int firstMove, int lastMove));
478 Boolean PopTail P((Boolean annotate));
479 void CleanupTail P((void));
481 ChessSquare FIDEArray[2][BOARD_FILES] = {
482 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
483 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
484 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
485 BlackKing, BlackBishop, BlackKnight, BlackRook }
488 ChessSquare twoKingsArray[2][BOARD_FILES] = {
489 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
490 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
491 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
492 BlackKing, BlackKing, BlackKnight, BlackRook }
495 ChessSquare KnightmateArray[2][BOARD_FILES] = {
496 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
497 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
498 { BlackRook, BlackMan, BlackBishop, BlackQueen,
499 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
502 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
503 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
504 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
505 { BlackLance, BlackAlfil, BlackMarshall, BlackAngel,
506 BlackKing, BlackMarshall, BlackAlfil, BlackLance }
509 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
510 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
511 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
512 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
513 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
516 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
517 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
518 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
519 { BlackRook, BlackKnight, BlackMan, BlackFerz,
520 BlackKing, BlackMan, BlackKnight, BlackRook }
524 #if (BOARD_FILES>=10)
525 ChessSquare ShogiArray[2][BOARD_FILES] = {
526 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
527 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
528 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
529 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
532 ChessSquare XiangqiArray[2][BOARD_FILES] = {
533 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
534 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
535 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
536 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
539 ChessSquare CapablancaArray[2][BOARD_FILES] = {
540 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
541 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
542 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
543 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
546 ChessSquare GreatArray[2][BOARD_FILES] = {
547 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
548 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
549 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
550 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
553 ChessSquare JanusArray[2][BOARD_FILES] = {
554 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
555 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
556 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
557 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
561 ChessSquare GothicArray[2][BOARD_FILES] = {
562 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
563 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
564 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
565 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
568 #define GothicArray CapablancaArray
572 ChessSquare FalconArray[2][BOARD_FILES] = {
573 { WhiteRook, WhiteKnight, WhiteBishop, WhiteLance, WhiteQueen,
574 WhiteKing, WhiteLance, WhiteBishop, WhiteKnight, WhiteRook },
575 { BlackRook, BlackKnight, BlackBishop, BlackLance, BlackQueen,
576 BlackKing, BlackLance, BlackBishop, BlackKnight, BlackRook }
579 #define FalconArray CapablancaArray
582 #else // !(BOARD_FILES>=10)
583 #define XiangqiPosition FIDEArray
584 #define CapablancaArray FIDEArray
585 #define GothicArray FIDEArray
586 #define GreatArray FIDEArray
587 #endif // !(BOARD_FILES>=10)
589 #if (BOARD_FILES>=12)
590 ChessSquare CourierArray[2][BOARD_FILES] = {
591 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
592 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
593 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
594 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
596 #else // !(BOARD_FILES>=12)
597 #define CourierArray CapablancaArray
598 #endif // !(BOARD_FILES>=12)
601 Board initialPosition;
604 /* Convert str to a rating. Checks for special cases of "----",
606 "++++", etc. Also strips ()'s */
608 string_to_rating(str)
611 while(*str && !isdigit(*str)) ++str;
613 return 0; /* One of the special "no rating" cases */
621 /* Init programStats */
622 programStats.movelist[0] = 0;
623 programStats.depth = 0;
624 programStats.nr_moves = 0;
625 programStats.moves_left = 0;
626 programStats.nodes = 0;
627 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
628 programStats.score = 0;
629 programStats.got_only_move = 0;
630 programStats.got_fail = 0;
631 programStats.line_is_book = 0;
637 int matched, min, sec;
639 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
641 GetTimeMark(&programStartTime);
642 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
645 programStats.ok_to_send = 1;
646 programStats.seen_stat = 0;
649 * Initialize game list
655 * Internet chess server status
657 if (appData.icsActive) {
658 appData.matchMode = FALSE;
659 appData.matchGames = 0;
661 appData.noChessProgram = !appData.zippyPlay;
663 appData.zippyPlay = FALSE;
664 appData.zippyTalk = FALSE;
665 appData.noChessProgram = TRUE;
667 if (*appData.icsHelper != NULLCHAR) {
668 appData.useTelnet = TRUE;
669 appData.telnetProgram = appData.icsHelper;
672 appData.zippyTalk = appData.zippyPlay = FALSE;
675 /* [AS] Initialize pv info list [HGM] and game state */
679 for( i=0; i<=framePtr; i++ ) {
680 pvInfoList[i].depth = -1;
681 boards[i][EP_STATUS] = EP_NONE;
682 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
687 * Parse timeControl resource
689 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
690 appData.movesPerSession)) {
692 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
693 DisplayFatalError(buf, 0, 2);
697 * Parse searchTime resource
699 if (*appData.searchTime != NULLCHAR) {
700 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
702 searchTime = min * 60;
703 } else if (matched == 2) {
704 searchTime = min * 60 + sec;
707 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
708 DisplayFatalError(buf, 0, 2);
712 /* [AS] Adjudication threshold */
713 adjudicateLossThreshold = appData.adjudicateLossThreshold;
715 first.which = "first";
716 second.which = "second";
717 first.maybeThinking = second.maybeThinking = FALSE;
718 first.pr = second.pr = NoProc;
719 first.isr = second.isr = NULL;
720 first.sendTime = second.sendTime = 2;
721 first.sendDrawOffers = 1;
722 if (appData.firstPlaysBlack) {
723 first.twoMachinesColor = "black\n";
724 second.twoMachinesColor = "white\n";
726 first.twoMachinesColor = "white\n";
727 second.twoMachinesColor = "black\n";
729 first.program = appData.firstChessProgram;
730 second.program = appData.secondChessProgram;
731 first.host = appData.firstHost;
732 second.host = appData.secondHost;
733 first.dir = appData.firstDirectory;
734 second.dir = appData.secondDirectory;
735 first.other = &second;
736 second.other = &first;
737 first.initString = appData.initString;
738 second.initString = appData.secondInitString;
739 first.computerString = appData.firstComputerString;
740 second.computerString = appData.secondComputerString;
741 first.useSigint = second.useSigint = TRUE;
742 first.useSigterm = second.useSigterm = TRUE;
743 first.reuse = appData.reuseFirst;
744 second.reuse = appData.reuseSecond;
745 first.nps = appData.firstNPS; // [HGM] nps: copy nodes per second
746 second.nps = appData.secondNPS;
747 first.useSetboard = second.useSetboard = FALSE;
748 first.useSAN = second.useSAN = FALSE;
749 first.usePing = second.usePing = FALSE;
750 first.lastPing = second.lastPing = 0;
751 first.lastPong = second.lastPong = 0;
752 first.usePlayother = second.usePlayother = FALSE;
753 first.useColors = second.useColors = TRUE;
754 first.useUsermove = second.useUsermove = FALSE;
755 first.sendICS = second.sendICS = FALSE;
756 first.sendName = second.sendName = appData.icsActive;
757 first.sdKludge = second.sdKludge = FALSE;
758 first.stKludge = second.stKludge = FALSE;
759 TidyProgramName(first.program, first.host, first.tidy);
760 TidyProgramName(second.program, second.host, second.tidy);
761 first.matchWins = second.matchWins = 0;
762 strcpy(first.variants, appData.variant);
763 strcpy(second.variants, appData.variant);
764 first.analysisSupport = second.analysisSupport = 2; /* detect */
765 first.analyzing = second.analyzing = FALSE;
766 first.initDone = second.initDone = FALSE;
768 /* New features added by Tord: */
769 first.useFEN960 = FALSE; second.useFEN960 = FALSE;
770 first.useOOCastle = TRUE; second.useOOCastle = TRUE;
771 /* End of new features added by Tord. */
772 first.fenOverride = appData.fenOverride1;
773 second.fenOverride = appData.fenOverride2;
775 /* [HGM] time odds: set factor for each machine */
776 first.timeOdds = appData.firstTimeOdds;
777 second.timeOdds = appData.secondTimeOdds;
779 if(appData.timeOddsMode) {
780 norm = first.timeOdds;
781 if(norm > second.timeOdds) norm = second.timeOdds;
783 first.timeOdds /= norm;
784 second.timeOdds /= norm;
787 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
788 first.accumulateTC = appData.firstAccumulateTC;
789 second.accumulateTC = appData.secondAccumulateTC;
790 first.maxNrOfSessions = second.maxNrOfSessions = 1;
793 first.debug = second.debug = FALSE;
794 first.supportsNPS = second.supportsNPS = UNKNOWN;
797 first.optionSettings = appData.firstOptions;
798 second.optionSettings = appData.secondOptions;
800 first.scoreIsAbsolute = appData.firstScoreIsAbsolute; /* [AS] */
801 second.scoreIsAbsolute = appData.secondScoreIsAbsolute; /* [AS] */
802 first.isUCI = appData.firstIsUCI; /* [AS] */
803 second.isUCI = appData.secondIsUCI; /* [AS] */
804 first.hasOwnBookUCI = appData.firstHasOwnBookUCI; /* [AS] */
805 second.hasOwnBookUCI = appData.secondHasOwnBookUCI; /* [AS] */
807 if (appData.firstProtocolVersion > PROTOVER ||
808 appData.firstProtocolVersion < 1) {
810 sprintf(buf, _("protocol version %d not supported"),
811 appData.firstProtocolVersion);
812 DisplayFatalError(buf, 0, 2);
814 first.protocolVersion = appData.firstProtocolVersion;
817 if (appData.secondProtocolVersion > PROTOVER ||
818 appData.secondProtocolVersion < 1) {
820 sprintf(buf, _("protocol version %d not supported"),
821 appData.secondProtocolVersion);
822 DisplayFatalError(buf, 0, 2);
824 second.protocolVersion = appData.secondProtocolVersion;
827 if (appData.icsActive) {
828 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
829 // } else if (*appData.searchTime != NULLCHAR || appData.noChessProgram) {
830 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
831 appData.clockMode = FALSE;
832 first.sendTime = second.sendTime = 0;
836 /* Override some settings from environment variables, for backward
837 compatibility. Unfortunately it's not feasible to have the env
838 vars just set defaults, at least in xboard. Ugh.
840 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
845 if (appData.noChessProgram) {
846 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
847 sprintf(programVersion, "%s", PACKAGE_STRING);
849 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
850 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
851 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
854 if (!appData.icsActive) {
856 /* Check for variants that are supported only in ICS mode,
857 or not at all. Some that are accepted here nevertheless
858 have bugs; see comments below.
860 VariantClass variant = StringToVariant(appData.variant);
862 case VariantBughouse: /* need four players and two boards */
863 case VariantKriegspiel: /* need to hide pieces and move details */
864 /* case VariantFischeRandom: (Fabien: moved below) */
865 sprintf(buf, _("Variant %s supported only in ICS mode"), appData.variant);
866 DisplayFatalError(buf, 0, 2);
870 case VariantLoadable:
880 sprintf(buf, _("Unknown variant name %s"), appData.variant);
881 DisplayFatalError(buf, 0, 2);
884 case VariantXiangqi: /* [HGM] repetition rules not implemented */
885 case VariantFairy: /* [HGM] TestLegality definitely off! */
886 case VariantGothic: /* [HGM] should work */
887 case VariantCapablanca: /* [HGM] should work */
888 case VariantCourier: /* [HGM] initial forced moves not implemented */
889 case VariantShogi: /* [HGM] drops not tested for legality */
890 case VariantKnightmate: /* [HGM] should work */
891 case VariantCylinder: /* [HGM] untested */
892 case VariantFalcon: /* [HGM] untested */
893 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
894 offboard interposition not understood */
895 case VariantNormal: /* definitely works! */
896 case VariantWildCastle: /* pieces not automatically shuffled */
897 case VariantNoCastle: /* pieces not automatically shuffled */
898 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
899 case VariantLosers: /* should work except for win condition,
900 and doesn't know captures are mandatory */
901 case VariantSuicide: /* should work except for win condition,
902 and doesn't know captures are mandatory */
903 case VariantGiveaway: /* should work except for win condition,
904 and doesn't know captures are mandatory */
905 case VariantTwoKings: /* should work */
906 case VariantAtomic: /* should work except for win condition */
907 case Variant3Check: /* should work except for win condition */
908 case VariantShatranj: /* should work except for all win conditions */
909 case VariantMakruk: /* should work except for daw countdown */
910 case VariantBerolina: /* might work if TestLegality is off */
911 case VariantCapaRandom: /* should work */
912 case VariantJanus: /* should work */
913 case VariantSuper: /* experimental */
914 case VariantGreat: /* experimental, requires legality testing to be off */
919 InitEngineUCI( installDir, &first ); // [HGM] moved here from winboard.c, to make available in xboard
920 InitEngineUCI( installDir, &second );
923 int NextIntegerFromString( char ** str, long * value )
928 while( *s == ' ' || *s == '\t' ) {
934 if( *s >= '0' && *s <= '9' ) {
935 while( *s >= '0' && *s <= '9' ) {
936 *value = *value * 10 + (*s - '0');
948 int NextTimeControlFromString( char ** str, long * value )
951 int result = NextIntegerFromString( str, &temp );
954 *value = temp * 60; /* Minutes */
957 result = NextIntegerFromString( str, &temp );
958 *value += temp; /* Seconds */
965 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc)
966 { /* [HGM] routine added to read '+moves/time' for secondary time control */
967 int result = -1; long temp, temp2;
969 if(**str != '+') return -1; // old params remain in force!
971 if( NextTimeControlFromString( str, &temp ) ) return -1;
974 /* time only: incremental or sudden-death time control */
975 if(**str == '+') { /* increment follows; read it */
977 if(result = NextIntegerFromString( str, &temp2)) return -1;
980 *moves = 0; *tc = temp * 1000;
982 } else if(temp % 60 != 0) return -1; /* moves was given as min:sec */
984 (*str)++; /* classical time control */
985 result = NextTimeControlFromString( str, &temp2);
994 int GetTimeQuota(int movenr)
995 { /* [HGM] get time to add from the multi-session time-control string */
996 int moves=1; /* kludge to force reading of first session */
997 long time, increment;
998 char *s = fullTimeControlString;
1000 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", fullTimeControlString);
1002 if(moves) NextSessionFromString(&s, &moves, &time, &increment);
1003 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
1004 if(movenr == -1) return time; /* last move before new session */
1005 if(!moves) return increment; /* current session is incremental */
1006 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1007 } while(movenr >= -1); /* try again for next session */
1009 return 0; // no new time quota on this move
1013 ParseTimeControl(tc, ti, mps)
1022 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1025 sprintf(buf, "+%d/%s+%d", mps, tc, ti);
1026 else sprintf(buf, "+%s+%d", tc, ti);
1029 sprintf(buf, "+%d/%s", mps, tc);
1030 else sprintf(buf, "+%s", tc);
1032 fullTimeControlString = StrSave(buf);
1034 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1039 /* Parse second time control */
1042 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1050 timeControl_2 = tc2 * 1000;
1060 timeControl = tc1 * 1000;
1063 timeIncrement = ti * 1000; /* convert to ms */
1064 movesPerSession = 0;
1067 movesPerSession = mps;
1075 if (appData.debugMode) {
1076 fprintf(debugFP, "%s\n", programVersion);
1079 set_cont_sequence(appData.wrapContSeq);
1080 if (appData.matchGames > 0) {
1081 appData.matchMode = TRUE;
1082 } else if (appData.matchMode) {
1083 appData.matchGames = 1;
1085 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1086 appData.matchGames = appData.sameColorGames;
1087 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1088 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1089 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1092 if (appData.noChessProgram || first.protocolVersion == 1) {
1095 /* kludge: allow timeout for initial "feature" commands */
1097 DisplayMessage("", _("Starting chess program"));
1098 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1103 InitBackEnd3 P((void))
1105 GameMode initialMode;
1109 InitChessProgram(&first, startedFromSetupPosition);
1111 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1112 free(programVersion);
1113 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1114 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1117 if (appData.icsActive) {
1119 /* [DM] Make a console window if needed [HGM] merged ifs */
1124 if (*appData.icsCommPort != NULLCHAR) {
1125 sprintf(buf, _("Could not open comm port %s"),
1126 appData.icsCommPort);
1128 snprintf(buf, sizeof(buf), _("Could not connect to host %s, port %s"),
1129 appData.icsHost, appData.icsPort);
1131 DisplayFatalError(buf, err, 1);
1136 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1138 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1139 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1140 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1141 } else if (appData.noChessProgram) {
1147 if (*appData.cmailGameName != NULLCHAR) {
1149 OpenLoopback(&cmailPR);
1151 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1155 DisplayMessage("", "");
1156 if (StrCaseCmp(appData.initialMode, "") == 0) {
1157 initialMode = BeginningOfGame;
1158 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1159 initialMode = TwoMachinesPlay;
1160 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1161 initialMode = AnalyzeFile;
1162 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1163 initialMode = AnalyzeMode;
1164 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1165 initialMode = MachinePlaysWhite;
1166 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1167 initialMode = MachinePlaysBlack;
1168 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1169 initialMode = EditGame;
1170 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1171 initialMode = EditPosition;
1172 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1173 initialMode = Training;
1175 sprintf(buf, _("Unknown initialMode %s"), appData.initialMode);
1176 DisplayFatalError(buf, 0, 2);
1180 if (appData.matchMode) {
1181 /* Set up machine vs. machine match */
1182 if (appData.noChessProgram) {
1183 DisplayFatalError(_("Can't have a match with no chess programs"),
1189 if (*appData.loadGameFile != NULLCHAR) {
1190 int index = appData.loadGameIndex; // [HGM] autoinc
1191 if(index<0) lastIndex = index = 1;
1192 if (!LoadGameFromFile(appData.loadGameFile,
1194 appData.loadGameFile, FALSE)) {
1195 DisplayFatalError(_("Bad game file"), 0, 1);
1198 } else if (*appData.loadPositionFile != NULLCHAR) {
1199 int index = appData.loadPositionIndex; // [HGM] autoinc
1200 if(index<0) lastIndex = index = 1;
1201 if (!LoadPositionFromFile(appData.loadPositionFile,
1203 appData.loadPositionFile)) {
1204 DisplayFatalError(_("Bad position file"), 0, 1);
1209 } else if (*appData.cmailGameName != NULLCHAR) {
1210 /* Set up cmail mode */
1211 ReloadCmailMsgEvent(TRUE);
1213 /* Set up other modes */
1214 if (initialMode == AnalyzeFile) {
1215 if (*appData.loadGameFile == NULLCHAR) {
1216 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1220 if (*appData.loadGameFile != NULLCHAR) {
1221 (void) LoadGameFromFile(appData.loadGameFile,
1222 appData.loadGameIndex,
1223 appData.loadGameFile, TRUE);
1224 } else if (*appData.loadPositionFile != NULLCHAR) {
1225 (void) LoadPositionFromFile(appData.loadPositionFile,
1226 appData.loadPositionIndex,
1227 appData.loadPositionFile);
1228 /* [HGM] try to make self-starting even after FEN load */
1229 /* to allow automatic setup of fairy variants with wtm */
1230 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1231 gameMode = BeginningOfGame;
1232 setboardSpoiledMachineBlack = 1;
1234 /* [HGM] loadPos: make that every new game uses the setup */
1235 /* from file as long as we do not switch variant */
1236 if(!blackPlaysFirst) {
1237 startedFromPositionFile = TRUE;
1238 CopyBoard(filePosition, boards[0]);
1241 if (initialMode == AnalyzeMode) {
1242 if (appData.noChessProgram) {
1243 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1246 if (appData.icsActive) {
1247 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1251 } else if (initialMode == AnalyzeFile) {
1252 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1253 ShowThinkingEvent();
1255 AnalysisPeriodicEvent(1);
1256 } else if (initialMode == MachinePlaysWhite) {
1257 if (appData.noChessProgram) {
1258 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1262 if (appData.icsActive) {
1263 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1267 MachineWhiteEvent();
1268 } else if (initialMode == MachinePlaysBlack) {
1269 if (appData.noChessProgram) {
1270 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1274 if (appData.icsActive) {
1275 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1279 MachineBlackEvent();
1280 } else if (initialMode == TwoMachinesPlay) {
1281 if (appData.noChessProgram) {
1282 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1286 if (appData.icsActive) {
1287 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1292 } else if (initialMode == EditGame) {
1294 } else if (initialMode == EditPosition) {
1295 EditPositionEvent();
1296 } else if (initialMode == Training) {
1297 if (*appData.loadGameFile == NULLCHAR) {
1298 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1307 * Establish will establish a contact to a remote host.port.
1308 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1309 * used to talk to the host.
1310 * Returns 0 if okay, error code if not.
1317 if (*appData.icsCommPort != NULLCHAR) {
1318 /* Talk to the host through a serial comm port */
1319 return OpenCommPort(appData.icsCommPort, &icsPR);
1321 } else if (*appData.gateway != NULLCHAR) {
1322 if (*appData.remoteShell == NULLCHAR) {
1323 /* Use the rcmd protocol to run telnet program on a gateway host */
1324 snprintf(buf, sizeof(buf), "%s %s %s",
1325 appData.telnetProgram, appData.icsHost, appData.icsPort);
1326 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1329 /* Use the rsh program to run telnet program on a gateway host */
1330 if (*appData.remoteUser == NULLCHAR) {
1331 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1332 appData.gateway, appData.telnetProgram,
1333 appData.icsHost, appData.icsPort);
1335 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1336 appData.remoteShell, appData.gateway,
1337 appData.remoteUser, appData.telnetProgram,
1338 appData.icsHost, appData.icsPort);
1340 return StartChildProcess(buf, "", &icsPR);
1343 } else if (appData.useTelnet) {
1344 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1347 /* TCP socket interface differs somewhat between
1348 Unix and NT; handle details in the front end.
1350 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1354 void EscapeExpand(char *p, char *q)
1355 { // [HGM] initstring: routine to shape up string arguments
1356 while(*p++ = *q++) if(p[-1] == '\\')
1358 case 'n': p[-1] = '\n'; break;
1359 case 'r': p[-1] = '\r'; break;
1360 case 't': p[-1] = '\t'; break;
1361 case '\\': p[-1] = '\\'; break;
1362 case 0: *p = 0; return;
1363 default: p[-1] = q[-1]; break;
1368 show_bytes(fp, buf, count)
1374 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1375 fprintf(fp, "\\%03o", *buf & 0xff);
1384 /* Returns an errno value */
1386 OutputMaybeTelnet(pr, message, count, outError)
1392 char buf[8192], *p, *q, *buflim;
1393 int left, newcount, outcount;
1395 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1396 *appData.gateway != NULLCHAR) {
1397 if (appData.debugMode) {
1398 fprintf(debugFP, ">ICS: ");
1399 show_bytes(debugFP, message, count);
1400 fprintf(debugFP, "\n");
1402 return OutputToProcess(pr, message, count, outError);
1405 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1412 if (appData.debugMode) {
1413 fprintf(debugFP, ">ICS: ");
1414 show_bytes(debugFP, buf, newcount);
1415 fprintf(debugFP, "\n");
1417 outcount = OutputToProcess(pr, buf, newcount, outError);
1418 if (outcount < newcount) return -1; /* to be sure */
1425 } else if (((unsigned char) *p) == TN_IAC) {
1426 *q++ = (char) TN_IAC;
1433 if (appData.debugMode) {
1434 fprintf(debugFP, ">ICS: ");
1435 show_bytes(debugFP, buf, newcount);
1436 fprintf(debugFP, "\n");
1438 outcount = OutputToProcess(pr, buf, newcount, outError);
1439 if (outcount < newcount) return -1; /* to be sure */
1444 read_from_player(isr, closure, message, count, error)
1451 int outError, outCount;
1452 static int gotEof = 0;
1454 /* Pass data read from player on to ICS */
1457 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1458 if (outCount < count) {
1459 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1461 } else if (count < 0) {
1462 RemoveInputSource(isr);
1463 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1464 } else if (gotEof++ > 0) {
1465 RemoveInputSource(isr);
1466 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1472 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1473 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1474 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1475 SendToICS("date\n");
1476 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1479 /* added routine for printf style output to ics */
1480 void ics_printf(char *format, ...)
1482 char buffer[MSG_SIZ];
1485 va_start(args, format);
1486 vsnprintf(buffer, sizeof(buffer), format, args);
1487 buffer[sizeof(buffer)-1] = '\0';
1496 int count, outCount, outError;
1498 if (icsPR == NULL) return;
1501 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1502 if (outCount < count) {
1503 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1507 /* This is used for sending logon scripts to the ICS. Sending
1508 without a delay causes problems when using timestamp on ICC
1509 (at least on my machine). */
1511 SendToICSDelayed(s,msdelay)
1515 int count, outCount, outError;
1517 if (icsPR == NULL) return;
1520 if (appData.debugMode) {
1521 fprintf(debugFP, ">ICS: ");
1522 show_bytes(debugFP, s, count);
1523 fprintf(debugFP, "\n");
1525 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1527 if (outCount < count) {
1528 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1533 /* Remove all highlighting escape sequences in s
1534 Also deletes any suffix starting with '('
1537 StripHighlightAndTitle(s)
1540 static char retbuf[MSG_SIZ];
1543 while (*s != NULLCHAR) {
1544 while (*s == '\033') {
1545 while (*s != NULLCHAR && !isalpha(*s)) s++;
1546 if (*s != NULLCHAR) s++;
1548 while (*s != NULLCHAR && *s != '\033') {
1549 if (*s == '(' || *s == '[') {
1560 /* Remove all highlighting escape sequences in s */
1565 static char retbuf[MSG_SIZ];
1568 while (*s != NULLCHAR) {
1569 while (*s == '\033') {
1570 while (*s != NULLCHAR && !isalpha(*s)) s++;
1571 if (*s != NULLCHAR) s++;
1573 while (*s != NULLCHAR && *s != '\033') {
1581 char *variantNames[] = VARIANT_NAMES;
1586 return variantNames[v];
1590 /* Identify a variant from the strings the chess servers use or the
1591 PGN Variant tag names we use. */
1598 VariantClass v = VariantNormal;
1599 int i, found = FALSE;
1604 /* [HGM] skip over optional board-size prefixes */
1605 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1606 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1607 while( *e++ != '_');
1610 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1614 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1615 if (StrCaseStr(e, variantNames[i])) {
1616 v = (VariantClass) i;
1623 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1624 || StrCaseStr(e, "wild/fr")
1625 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1626 v = VariantFischeRandom;
1627 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1628 (i = 1, p = StrCaseStr(e, "w"))) {
1630 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
1637 case 0: /* FICS only, actually */
1639 /* Castling legal even if K starts on d-file */
1640 v = VariantWildCastle;
1645 /* Castling illegal even if K & R happen to start in
1646 normal positions. */
1647 v = VariantNoCastle;
1660 /* Castling legal iff K & R start in normal positions */
1666 /* Special wilds for position setup; unclear what to do here */
1667 v = VariantLoadable;
1670 /* Bizarre ICC game */
1671 v = VariantTwoKings;
1674 v = VariantKriegspiel;
1680 v = VariantFischeRandom;
1683 v = VariantCrazyhouse;
1686 v = VariantBughouse;
1692 /* Not quite the same as FICS suicide! */
1693 v = VariantGiveaway;
1699 v = VariantShatranj;
1702 /* Temporary names for future ICC types. The name *will* change in
1703 the next xboard/WinBoard release after ICC defines it. */
1741 v = VariantCapablanca;
1744 v = VariantKnightmate;
1750 v = VariantCylinder;
1756 v = VariantCapaRandom;
1759 v = VariantBerolina;
1771 /* Found "wild" or "w" in the string but no number;
1772 must assume it's normal chess. */
1776 sprintf(buf, _("Unknown wild type %d"), wnum);
1777 DisplayError(buf, 0);
1783 if (appData.debugMode) {
1784 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
1785 e, wnum, VariantName(v));
1790 static int leftover_start = 0, leftover_len = 0;
1791 char star_match[STAR_MATCH_N][MSG_SIZ];
1793 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
1794 advance *index beyond it, and set leftover_start to the new value of
1795 *index; else return FALSE. If pattern contains the character '*', it
1796 matches any sequence of characters not containing '\r', '\n', or the
1797 character following the '*' (if any), and the matched sequence(s) are
1798 copied into star_match.
1801 looking_at(buf, index, pattern)
1806 char *bufp = &buf[*index], *patternp = pattern;
1808 char *matchp = star_match[0];
1811 if (*patternp == NULLCHAR) {
1812 *index = leftover_start = bufp - buf;
1816 if (*bufp == NULLCHAR) return FALSE;
1817 if (*patternp == '*') {
1818 if (*bufp == *(patternp + 1)) {
1820 matchp = star_match[++star_count];
1824 } else if (*bufp == '\n' || *bufp == '\r') {
1826 if (*patternp == NULLCHAR)
1831 *matchp++ = *bufp++;
1835 if (*patternp != *bufp) return FALSE;
1842 SendToPlayer(data, length)
1846 int error, outCount;
1847 outCount = OutputToProcess(NoProc, data, length, &error);
1848 if (outCount < length) {
1849 DisplayFatalError(_("Error writing to display"), error, 1);
1854 PackHolding(packed, holding)
1866 switch (runlength) {
1877 sprintf(q, "%d", runlength);
1889 /* Telnet protocol requests from the front end */
1891 TelnetRequest(ddww, option)
1892 unsigned char ddww, option;
1894 unsigned char msg[3];
1895 int outCount, outError;
1897 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
1899 if (appData.debugMode) {
1900 char buf1[8], buf2[8], *ddwwStr, *optionStr;
1916 sprintf(buf1, "%d", ddww);
1925 sprintf(buf2, "%d", option);
1928 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
1933 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
1935 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1942 if (!appData.icsActive) return;
1943 TelnetRequest(TN_DO, TN_ECHO);
1949 if (!appData.icsActive) return;
1950 TelnetRequest(TN_DONT, TN_ECHO);
1954 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
1956 /* put the holdings sent to us by the server on the board holdings area */
1957 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
1961 if(gameInfo.holdingsWidth < 2) return;
1962 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
1963 return; // prevent overwriting by pre-board holdings
1965 if( (int)lowestPiece >= BlackPawn ) {
1968 holdingsStartRow = BOARD_HEIGHT-1;
1971 holdingsColumn = BOARD_WIDTH-1;
1972 countsColumn = BOARD_WIDTH-2;
1973 holdingsStartRow = 0;
1977 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
1978 board[i][holdingsColumn] = EmptySquare;
1979 board[i][countsColumn] = (ChessSquare) 0;
1981 while( (p=*holdings++) != NULLCHAR ) {
1982 piece = CharToPiece( ToUpper(p) );
1983 if(piece == EmptySquare) continue;
1984 /*j = (int) piece - (int) WhitePawn;*/
1985 j = PieceToNumber(piece);
1986 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
1987 if(j < 0) continue; /* should not happen */
1988 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
1989 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
1990 board[holdingsStartRow+j*direction][countsColumn]++;
1996 VariantSwitch(Board board, VariantClass newVariant)
1998 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
1999 static Board oldBoard;
2001 startedFromPositionFile = FALSE;
2002 if(gameInfo.variant == newVariant) return;
2004 /* [HGM] This routine is called each time an assignment is made to
2005 * gameInfo.variant during a game, to make sure the board sizes
2006 * are set to match the new variant. If that means adding or deleting
2007 * holdings, we shift the playing board accordingly
2008 * This kludge is needed because in ICS observe mode, we get boards
2009 * of an ongoing game without knowing the variant, and learn about the
2010 * latter only later. This can be because of the move list we requested,
2011 * in which case the game history is refilled from the beginning anyway,
2012 * but also when receiving holdings of a crazyhouse game. In the latter
2013 * case we want to add those holdings to the already received position.
2017 if (appData.debugMode) {
2018 fprintf(debugFP, "Switch board from %s to %s\n",
2019 VariantName(gameInfo.variant), VariantName(newVariant));
2020 setbuf(debugFP, NULL);
2022 shuffleOpenings = 0; /* [HGM] shuffle */
2023 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2027 newWidth = 9; newHeight = 9;
2028 gameInfo.holdingsSize = 7;
2029 case VariantBughouse:
2030 case VariantCrazyhouse:
2031 newHoldingsWidth = 2; break;
2035 newHoldingsWidth = 2;
2036 gameInfo.holdingsSize = 8;
2039 case VariantCapablanca:
2040 case VariantCapaRandom:
2043 newHoldingsWidth = gameInfo.holdingsSize = 0;
2046 if(newWidth != gameInfo.boardWidth ||
2047 newHeight != gameInfo.boardHeight ||
2048 newHoldingsWidth != gameInfo.holdingsWidth ) {
2050 /* shift position to new playing area, if needed */
2051 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2052 for(i=0; i<BOARD_HEIGHT; i++)
2053 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2054 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2056 for(i=0; i<newHeight; i++) {
2057 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2058 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2060 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2061 for(i=0; i<BOARD_HEIGHT; i++)
2062 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2063 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2066 gameInfo.boardWidth = newWidth;
2067 gameInfo.boardHeight = newHeight;
2068 gameInfo.holdingsWidth = newHoldingsWidth;
2069 gameInfo.variant = newVariant;
2070 InitDrawingSizes(-2, 0);
2071 } else gameInfo.variant = newVariant;
2072 CopyBoard(oldBoard, board); // remember correctly formatted board
2073 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2074 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2077 static int loggedOn = FALSE;
2079 /*-- Game start info cache: --*/
2081 char gs_kind[MSG_SIZ];
2082 static char player1Name[128] = "";
2083 static char player2Name[128] = "";
2084 static char cont_seq[] = "\n\\ ";
2085 static int player1Rating = -1;
2086 static int player2Rating = -1;
2087 /*----------------------------*/
2089 ColorClass curColor = ColorNormal;
2090 int suppressKibitz = 0;
2093 Boolean soughtPending = FALSE;
2094 Boolean seekGraphUp;
2095 #define MAX_SEEK_ADS 200
2097 char *seekAdList[MAX_SEEK_ADS];
2098 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2099 float tcList[MAX_SEEK_ADS];
2100 char colorList[MAX_SEEK_ADS];
2101 int nrOfSeekAds = 0;
2102 int minRating = 1010, maxRating = 2800;
2103 int hMargin = 10, vMargin = 20, h, w;
2104 extern int squareSize, lineGap;
2109 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2110 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2111 if(r < minRating+100 && r >=0 ) r = minRating+100;
2112 if(r > maxRating) r = maxRating;
2113 if(tc < 1.) tc = 1.;
2114 if(tc > 95.) tc = 95.;
2115 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2116 y = ((double)r - minRating)/(maxRating - minRating)
2117 * (h-vMargin-squareSize/8-1) + vMargin;
2118 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2119 if(strstr(seekAdList[i], " u ")) color = 1;
2120 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2121 !strstr(seekAdList[i], "bullet") &&
2122 !strstr(seekAdList[i], "blitz") &&
2123 !strstr(seekAdList[i], "standard") ) color = 2;
2124 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2125 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2129 AddAd(char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2131 char buf[MSG_SIZ], *ext = "";
2132 VariantClass v = StringToVariant(type);
2133 if(strstr(type, "wild")) {
2134 ext = type + 4; // append wild number
2135 if(v == VariantFischeRandom) type = "chess960"; else
2136 if(v == VariantLoadable) type = "setup"; else
2137 type = VariantName(v);
2139 sprintf(buf, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2140 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2141 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2142 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2143 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2144 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2145 seekNrList[nrOfSeekAds] = nr;
2146 zList[nrOfSeekAds] = 0;
2147 seekAdList[nrOfSeekAds++] = StrSave(buf);
2148 if(plot) PlotSeekAd(nrOfSeekAds-1);
2155 int x = xList[i], y = yList[i], d=squareSize/4, k;
2156 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2157 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2158 // now replot every dot that overlapped
2159 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2160 int xx = xList[k], yy = yList[k];
2161 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2162 DrawSeekDot(xx, yy, colorList[k]);
2167 RemoveSeekAd(int nr)
2170 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2172 if(seekAdList[i]) free(seekAdList[i]);
2173 seekAdList[i] = seekAdList[--nrOfSeekAds];
2174 seekNrList[i] = seekNrList[nrOfSeekAds];
2175 ratingList[i] = ratingList[nrOfSeekAds];
2176 colorList[i] = colorList[nrOfSeekAds];
2177 tcList[i] = tcList[nrOfSeekAds];
2178 xList[i] = xList[nrOfSeekAds];
2179 yList[i] = yList[nrOfSeekAds];
2180 zList[i] = zList[nrOfSeekAds];
2181 seekAdList[nrOfSeekAds] = NULL;
2187 MatchSoughtLine(char *line)
2189 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2190 int nr, base, inc, u=0; char dummy;
2192 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2193 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2195 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2196 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2197 // match: compact and save the line
2198 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2207 if(!seekGraphUp) return FALSE;
2209 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2210 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2212 DrawSeekBackground(0, 0, w, h);
2213 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2214 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2215 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2216 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2218 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2221 sprintf(buf, "%d", i);
2222 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2225 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2226 for(i=1; i<100; i+=(i<10?1:5)) {
2227 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2228 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2229 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2231 sprintf(buf, "%d", i);
2232 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2235 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2239 int SeekGraphClick(ClickType click, int x, int y, int moving)
2241 static int lastDown = 0, displayed = 0, lastSecond;
2242 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2243 if(click == Release || moving) return FALSE;
2245 soughtPending = TRUE;
2246 SendToICS(ics_prefix);
2247 SendToICS("sought\n"); // should this be "sought all"?
2248 } else { // issue challenge based on clicked ad
2249 int dist = 10000; int i, closest = 0, second = 0;
2250 for(i=0; i<nrOfSeekAds; i++) {
2251 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2252 if(d < dist) { dist = d; closest = i; }
2253 second += (d - zList[i] < 120); // count in-range ads
2254 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2258 second = (second > 1);
2259 if(displayed != closest || second != lastSecond) {
2260 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2261 lastSecond = second; displayed = closest;
2263 if(click == Press) {
2264 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2267 } // on press 'hit', only show info
2268 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2269 sprintf(buf, "play %d\n", seekNrList[closest]);
2270 SendToICS(ics_prefix);
2272 return TRUE; // let incoming board of started game pop down the graph
2273 } else if(click == Release) { // release 'miss' is ignored
2274 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2275 if(moving == 2) { // right up-click
2276 nrOfSeekAds = 0; // refresh graph
2277 soughtPending = TRUE;
2278 SendToICS(ics_prefix);
2279 SendToICS("sought\n"); // should this be "sought all"?
2282 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2283 // press miss or release hit 'pop down' seek graph
2284 seekGraphUp = FALSE;
2285 DrawPosition(TRUE, NULL);
2291 read_from_ics(isr, closure, data, count, error)
2298 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2299 #define STARTED_NONE 0
2300 #define STARTED_MOVES 1
2301 #define STARTED_BOARD 2
2302 #define STARTED_OBSERVE 3
2303 #define STARTED_HOLDINGS 4
2304 #define STARTED_CHATTER 5
2305 #define STARTED_COMMENT 6
2306 #define STARTED_MOVES_NOHIDE 7
2308 static int started = STARTED_NONE;
2309 static char parse[20000];
2310 static int parse_pos = 0;
2311 static char buf[BUF_SIZE + 1];
2312 static int firstTime = TRUE, intfSet = FALSE;
2313 static ColorClass prevColor = ColorNormal;
2314 static int savingComment = FALSE;
2315 static int cmatch = 0; // continuation sequence match
2322 int backup; /* [DM] For zippy color lines */
2324 char talker[MSG_SIZ]; // [HGM] chat
2327 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2329 if (appData.debugMode) {
2331 fprintf(debugFP, "<ICS: ");
2332 show_bytes(debugFP, data, count);
2333 fprintf(debugFP, "\n");
2337 if (appData.debugMode) { int f = forwardMostMove;
2338 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2339 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2340 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2343 /* If last read ended with a partial line that we couldn't parse,
2344 prepend it to the new read and try again. */
2345 if (leftover_len > 0) {
2346 for (i=0; i<leftover_len; i++)
2347 buf[i] = buf[leftover_start + i];
2350 /* copy new characters into the buffer */
2351 bp = buf + leftover_len;
2352 buf_len=leftover_len;
2353 for (i=0; i<count; i++)
2356 if (data[i] == '\r')
2359 // join lines split by ICS?
2360 if (!appData.noJoin)
2363 Joining just consists of finding matches against the
2364 continuation sequence, and discarding that sequence
2365 if found instead of copying it. So, until a match
2366 fails, there's nothing to do since it might be the
2367 complete sequence, and thus, something we don't want
2370 if (data[i] == cont_seq[cmatch])
2373 if (cmatch == strlen(cont_seq))
2375 cmatch = 0; // complete match. just reset the counter
2378 it's possible for the ICS to not include the space
2379 at the end of the last word, making our [correct]
2380 join operation fuse two separate words. the server
2381 does this when the space occurs at the width setting.
2383 if (!buf_len || buf[buf_len-1] != ' ')
2394 match failed, so we have to copy what matched before
2395 falling through and copying this character. In reality,
2396 this will only ever be just the newline character, but
2397 it doesn't hurt to be precise.
2399 strncpy(bp, cont_seq, cmatch);
2411 buf[buf_len] = NULLCHAR;
2412 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2417 while (i < buf_len) {
2418 /* Deal with part of the TELNET option negotiation
2419 protocol. We refuse to do anything beyond the
2420 defaults, except that we allow the WILL ECHO option,
2421 which ICS uses to turn off password echoing when we are
2422 directly connected to it. We reject this option
2423 if localLineEditing mode is on (always on in xboard)
2424 and we are talking to port 23, which might be a real
2425 telnet server that will try to keep WILL ECHO on permanently.
2427 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2428 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2429 unsigned char option;
2431 switch ((unsigned char) buf[++i]) {
2433 if (appData.debugMode)
2434 fprintf(debugFP, "\n<WILL ");
2435 switch (option = (unsigned char) buf[++i]) {
2437 if (appData.debugMode)
2438 fprintf(debugFP, "ECHO ");
2439 /* Reply only if this is a change, according
2440 to the protocol rules. */
2441 if (remoteEchoOption) break;
2442 if (appData.localLineEditing &&
2443 atoi(appData.icsPort) == TN_PORT) {
2444 TelnetRequest(TN_DONT, TN_ECHO);
2447 TelnetRequest(TN_DO, TN_ECHO);
2448 remoteEchoOption = TRUE;
2452 if (appData.debugMode)
2453 fprintf(debugFP, "%d ", option);
2454 /* Whatever this is, we don't want it. */
2455 TelnetRequest(TN_DONT, option);
2460 if (appData.debugMode)
2461 fprintf(debugFP, "\n<WONT ");
2462 switch (option = (unsigned char) buf[++i]) {
2464 if (appData.debugMode)
2465 fprintf(debugFP, "ECHO ");
2466 /* Reply only if this is a change, according
2467 to the protocol rules. */
2468 if (!remoteEchoOption) break;
2470 TelnetRequest(TN_DONT, TN_ECHO);
2471 remoteEchoOption = FALSE;
2474 if (appData.debugMode)
2475 fprintf(debugFP, "%d ", (unsigned char) option);
2476 /* Whatever this is, it must already be turned
2477 off, because we never agree to turn on
2478 anything non-default, so according to the
2479 protocol rules, we don't reply. */
2484 if (appData.debugMode)
2485 fprintf(debugFP, "\n<DO ");
2486 switch (option = (unsigned char) buf[++i]) {
2488 /* Whatever this is, we refuse to do it. */
2489 if (appData.debugMode)
2490 fprintf(debugFP, "%d ", option);
2491 TelnetRequest(TN_WONT, option);
2496 if (appData.debugMode)
2497 fprintf(debugFP, "\n<DONT ");
2498 switch (option = (unsigned char) buf[++i]) {
2500 if (appData.debugMode)
2501 fprintf(debugFP, "%d ", option);
2502 /* Whatever this is, we are already not doing
2503 it, because we never agree to do anything
2504 non-default, so according to the protocol
2505 rules, we don't reply. */
2510 if (appData.debugMode)
2511 fprintf(debugFP, "\n<IAC ");
2512 /* Doubled IAC; pass it through */
2516 if (appData.debugMode)
2517 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2518 /* Drop all other telnet commands on the floor */
2521 if (oldi > next_out)
2522 SendToPlayer(&buf[next_out], oldi - next_out);
2528 /* OK, this at least will *usually* work */
2529 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2533 if (loggedOn && !intfSet) {
2534 if (ics_type == ICS_ICC) {
2536 "/set-quietly interface %s\n/set-quietly style 12\n",
2538 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2539 strcat(str, "/set-2 51 1\n/set seek 1\n");
2540 } else if (ics_type == ICS_CHESSNET) {
2541 sprintf(str, "/style 12\n");
2543 strcpy(str, "alias $ @\n$set interface ");
2544 strcat(str, programVersion);
2545 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2546 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2547 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2549 strcat(str, "$iset nohighlight 1\n");
2551 strcat(str, "$iset lock 1\n$style 12\n");
2554 NotifyFrontendLogin();
2558 if (started == STARTED_COMMENT) {
2559 /* Accumulate characters in comment */
2560 parse[parse_pos++] = buf[i];
2561 if (buf[i] == '\n') {
2562 parse[parse_pos] = NULLCHAR;
2563 if(chattingPartner>=0) {
2565 sprintf(mess, "%s%s", talker, parse);
2566 OutputChatMessage(chattingPartner, mess);
2567 chattingPartner = -1;
2568 next_out = i+1; // [HGM] suppress printing in ICS window
2570 if(!suppressKibitz) // [HGM] kibitz
2571 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2572 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2573 int nrDigit = 0, nrAlph = 0, j;
2574 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2575 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2576 parse[parse_pos] = NULLCHAR;
2577 // try to be smart: if it does not look like search info, it should go to
2578 // ICS interaction window after all, not to engine-output window.
2579 for(j=0; j<parse_pos; j++) { // count letters and digits
2580 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2581 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2582 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2584 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2585 int depth=0; float score;
2586 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2587 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2588 pvInfoList[forwardMostMove-1].depth = depth;
2589 pvInfoList[forwardMostMove-1].score = 100*score;
2591 OutputKibitz(suppressKibitz, parse);
2594 sprintf(tmp, _("your opponent kibitzes: %s"), parse);
2595 SendToPlayer(tmp, strlen(tmp));
2597 next_out = i+1; // [HGM] suppress printing in ICS window
2599 started = STARTED_NONE;
2601 /* Don't match patterns against characters in comment */
2606 if (started == STARTED_CHATTER) {
2607 if (buf[i] != '\n') {
2608 /* Don't match patterns against characters in chatter */
2612 started = STARTED_NONE;
2613 if(suppressKibitz) next_out = i+1;
2616 /* Kludge to deal with rcmd protocol */
2617 if (firstTime && looking_at(buf, &i, "\001*")) {
2618 DisplayFatalError(&buf[1], 0, 1);
2624 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2627 if (appData.debugMode)
2628 fprintf(debugFP, "ics_type %d\n", ics_type);
2631 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2632 ics_type = ICS_FICS;
2634 if (appData.debugMode)
2635 fprintf(debugFP, "ics_type %d\n", ics_type);
2638 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
2639 ics_type = ICS_CHESSNET;
2641 if (appData.debugMode)
2642 fprintf(debugFP, "ics_type %d\n", ics_type);
2647 (looking_at(buf, &i, "\"*\" is *a registered name") ||
2648 looking_at(buf, &i, "Logging you in as \"*\"") ||
2649 looking_at(buf, &i, "will be \"*\""))) {
2650 strcpy(ics_handle, star_match[0]);
2654 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
2656 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
2657 DisplayIcsInteractionTitle(buf);
2658 have_set_title = TRUE;
2661 /* skip finger notes */
2662 if (started == STARTED_NONE &&
2663 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
2664 (buf[i] == '1' && buf[i+1] == '0')) &&
2665 buf[i+2] == ':' && buf[i+3] == ' ') {
2666 started = STARTED_CHATTER;
2672 // [HGM] seekgraph: recognize sought lines and end-of-sought message
2673 if(appData.seekGraph) {
2674 if(soughtPending && MatchSoughtLine(buf+i)) {
2675 i = strstr(buf+i, "rated") - buf;
2676 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2677 next_out = leftover_start = i;
2678 started = STARTED_CHATTER;
2679 suppressKibitz = TRUE;
2682 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
2683 && looking_at(buf, &i, "* ads displayed")) {
2684 soughtPending = FALSE;
2689 if(appData.autoRefresh) {
2690 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
2691 int s = (ics_type == ICS_ICC); // ICC format differs
2693 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
2694 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
2695 looking_at(buf, &i, "*% "); // eat prompt
2696 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
2697 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2698 next_out = i; // suppress
2701 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
2702 char *p = star_match[0];
2704 if(seekGraphUp) RemoveSeekAd(atoi(p));
2705 while(*p && *p++ != ' '); // next
2707 looking_at(buf, &i, "*% "); // eat prompt
2708 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2715 /* skip formula vars */
2716 if (started == STARTED_NONE &&
2717 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
2718 started = STARTED_CHATTER;
2723 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
2724 if (appData.autoKibitz && started == STARTED_NONE &&
2725 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
2726 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
2727 if((looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
2728 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
2729 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
2730 suppressKibitz = TRUE;
2731 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2733 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
2734 && (gameMode == IcsPlayingWhite)) ||
2735 (StrStr(star_match[0], gameInfo.black) == star_match[0]
2736 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
2737 started = STARTED_CHATTER; // own kibitz we simply discard
2739 started = STARTED_COMMENT; // make sure it will be collected in parse[]
2740 parse_pos = 0; parse[0] = NULLCHAR;
2741 savingComment = TRUE;
2742 suppressKibitz = gameMode != IcsObserving ? 2 :
2743 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
2747 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
2748 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
2749 && atoi(star_match[0])) {
2750 // suppress the acknowledgements of our own autoKibitz
2752 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2753 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
2754 SendToPlayer(star_match[0], strlen(star_match[0]));
2755 if(looking_at(buf, &i, "*% ")) // eat prompt
2756 suppressKibitz = FALSE;
2760 } // [HGM] kibitz: end of patch
2762 // [HGM] chat: intercept tells by users for which we have an open chat window
2764 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
2765 looking_at(buf, &i, "* whispers:") ||
2766 looking_at(buf, &i, "* kibitzes:") ||
2767 looking_at(buf, &i, "* shouts:") ||
2768 looking_at(buf, &i, "* c-shouts:") ||
2769 looking_at(buf, &i, "--> * ") ||
2770 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
2771 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
2772 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
2773 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
2775 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
2776 chattingPartner = -1;
2778 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
2779 for(p=0; p<MAX_CHAT; p++) {
2780 if(channel == atoi(chatPartner[p])) {
2781 talker[0] = '['; strcat(talker, "] ");
2782 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
2783 chattingPartner = p; break;
2786 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
2787 for(p=0; p<MAX_CHAT; p++) {
2788 if(!strcmp("kibitzes", chatPartner[p])) {
2789 talker[0] = '['; strcat(talker, "] ");
2790 chattingPartner = p; break;
2793 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
2794 for(p=0; p<MAX_CHAT; p++) {
2795 if(!strcmp("whispers", chatPartner[p])) {
2796 talker[0] = '['; strcat(talker, "] ");
2797 chattingPartner = p; break;
2800 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
2801 if(buf[i-8] == '-' && buf[i-3] == 't')
2802 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
2803 if(!strcmp("c-shouts", chatPartner[p])) {
2804 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
2805 chattingPartner = p; break;
2808 if(chattingPartner < 0)
2809 for(p=0; p<MAX_CHAT; p++) {
2810 if(!strcmp("shouts", chatPartner[p])) {
2811 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
2812 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
2813 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
2814 chattingPartner = p; break;
2818 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
2819 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
2820 talker[0] = 0; Colorize(ColorTell, FALSE);
2821 chattingPartner = p; break;
2823 if(chattingPartner<0) i = oldi; else {
2824 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
2825 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
2826 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2827 started = STARTED_COMMENT;
2828 parse_pos = 0; parse[0] = NULLCHAR;
2829 savingComment = 3 + chattingPartner; // counts as TRUE
2830 suppressKibitz = TRUE;
2833 } // [HGM] chat: end of patch
2835 if (appData.zippyTalk || appData.zippyPlay) {
2836 /* [DM] Backup address for color zippy lines */
2840 if (loggedOn == TRUE)
2841 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
2842 (appData.zippyPlay && ZippyMatch(buf, &backup)));
2844 if (ZippyControl(buf, &i) ||
2845 ZippyConverse(buf, &i) ||
2846 (appData.zippyPlay && ZippyMatch(buf, &i))) {
2848 if (!appData.colorize) continue;
2852 } // [DM] 'else { ' deleted
2854 /* Regular tells and says */
2855 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
2856 looking_at(buf, &i, "* (your partner) tells you: ") ||
2857 looking_at(buf, &i, "* says: ") ||
2858 /* Don't color "message" or "messages" output */
2859 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
2860 looking_at(buf, &i, "*. * at *:*: ") ||
2861 looking_at(buf, &i, "--* (*:*): ") ||
2862 /* Message notifications (same color as tells) */
2863 looking_at(buf, &i, "* has left a message ") ||
2864 looking_at(buf, &i, "* just sent you a message:\n") ||
2865 /* Whispers and kibitzes */
2866 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
2867 looking_at(buf, &i, "* kibitzes: ") ||
2869 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
2871 if (tkind == 1 && strchr(star_match[0], ':')) {
2872 /* Avoid "tells you:" spoofs in channels */
2875 if (star_match[0][0] == NULLCHAR ||
2876 strchr(star_match[0], ' ') ||
2877 (tkind == 3 && strchr(star_match[1], ' '))) {
2878 /* Reject bogus matches */
2881 if (appData.colorize) {
2882 if (oldi > next_out) {
2883 SendToPlayer(&buf[next_out], oldi - next_out);
2888 Colorize(ColorTell, FALSE);
2889 curColor = ColorTell;
2892 Colorize(ColorKibitz, FALSE);
2893 curColor = ColorKibitz;
2896 p = strrchr(star_match[1], '(');
2903 Colorize(ColorChannel1, FALSE);
2904 curColor = ColorChannel1;
2906 Colorize(ColorChannel, FALSE);
2907 curColor = ColorChannel;
2911 curColor = ColorNormal;
2915 if (started == STARTED_NONE && appData.autoComment &&
2916 (gameMode == IcsObserving ||
2917 gameMode == IcsPlayingWhite ||
2918 gameMode == IcsPlayingBlack)) {
2919 parse_pos = i - oldi;
2920 memcpy(parse, &buf[oldi], parse_pos);
2921 parse[parse_pos] = NULLCHAR;
2922 started = STARTED_COMMENT;
2923 savingComment = TRUE;
2925 started = STARTED_CHATTER;
2926 savingComment = FALSE;
2933 if (looking_at(buf, &i, "* s-shouts: ") ||
2934 looking_at(buf, &i, "* c-shouts: ")) {
2935 if (appData.colorize) {
2936 if (oldi > next_out) {
2937 SendToPlayer(&buf[next_out], oldi - next_out);
2940 Colorize(ColorSShout, FALSE);
2941 curColor = ColorSShout;
2944 started = STARTED_CHATTER;
2948 if (looking_at(buf, &i, "--->")) {
2953 if (looking_at(buf, &i, "* shouts: ") ||
2954 looking_at(buf, &i, "--> ")) {
2955 if (appData.colorize) {
2956 if (oldi > next_out) {
2957 SendToPlayer(&buf[next_out], oldi - next_out);
2960 Colorize(ColorShout, FALSE);
2961 curColor = ColorShout;
2964 started = STARTED_CHATTER;
2968 if (looking_at( buf, &i, "Challenge:")) {
2969 if (appData.colorize) {
2970 if (oldi > next_out) {
2971 SendToPlayer(&buf[next_out], oldi - next_out);
2974 Colorize(ColorChallenge, FALSE);
2975 curColor = ColorChallenge;
2981 if (looking_at(buf, &i, "* offers you") ||
2982 looking_at(buf, &i, "* offers to be") ||
2983 looking_at(buf, &i, "* would like to") ||
2984 looking_at(buf, &i, "* requests to") ||
2985 looking_at(buf, &i, "Your opponent offers") ||
2986 looking_at(buf, &i, "Your opponent requests")) {
2988 if (appData.colorize) {
2989 if (oldi > next_out) {
2990 SendToPlayer(&buf[next_out], oldi - next_out);
2993 Colorize(ColorRequest, FALSE);
2994 curColor = ColorRequest;
2999 if (looking_at(buf, &i, "* (*) seeking")) {
3000 if (appData.colorize) {
3001 if (oldi > next_out) {
3002 SendToPlayer(&buf[next_out], oldi - next_out);
3005 Colorize(ColorSeek, FALSE);
3006 curColor = ColorSeek;
3011 if (looking_at(buf, &i, "\\ ")) {
3012 if (prevColor != ColorNormal) {
3013 if (oldi > next_out) {
3014 SendToPlayer(&buf[next_out], oldi - next_out);
3017 Colorize(prevColor, TRUE);
3018 curColor = prevColor;
3020 if (savingComment) {
3021 parse_pos = i - oldi;
3022 memcpy(parse, &buf[oldi], parse_pos);
3023 parse[parse_pos] = NULLCHAR;
3024 started = STARTED_COMMENT;
3025 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3026 chattingPartner = savingComment - 3; // kludge to remember the box
3028 started = STARTED_CHATTER;
3033 if (looking_at(buf, &i, "Black Strength :") ||
3034 looking_at(buf, &i, "<<< style 10 board >>>") ||
3035 looking_at(buf, &i, "<10>") ||
3036 looking_at(buf, &i, "#@#")) {
3037 /* Wrong board style */
3039 SendToICS(ics_prefix);
3040 SendToICS("set style 12\n");
3041 SendToICS(ics_prefix);
3042 SendToICS("refresh\n");
3046 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3048 have_sent_ICS_logon = 1;
3052 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3053 (looking_at(buf, &i, "\n<12> ") ||
3054 looking_at(buf, &i, "<12> "))) {
3056 if (oldi > next_out) {
3057 SendToPlayer(&buf[next_out], oldi - next_out);
3060 started = STARTED_BOARD;
3065 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3066 looking_at(buf, &i, "<b1> ")) {
3067 if (oldi > next_out) {
3068 SendToPlayer(&buf[next_out], oldi - next_out);
3071 started = STARTED_HOLDINGS;
3076 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3078 /* Header for a move list -- first line */
3080 switch (ics_getting_history) {
3084 case BeginningOfGame:
3085 /* User typed "moves" or "oldmoves" while we
3086 were idle. Pretend we asked for these
3087 moves and soak them up so user can step
3088 through them and/or save them.
3091 gameMode = IcsObserving;
3094 ics_getting_history = H_GOT_UNREQ_HEADER;
3096 case EditGame: /*?*/
3097 case EditPosition: /*?*/
3098 /* Should above feature work in these modes too? */
3099 /* For now it doesn't */
3100 ics_getting_history = H_GOT_UNWANTED_HEADER;
3103 ics_getting_history = H_GOT_UNWANTED_HEADER;
3108 /* Is this the right one? */
3109 if (gameInfo.white && gameInfo.black &&
3110 strcmp(gameInfo.white, star_match[0]) == 0 &&
3111 strcmp(gameInfo.black, star_match[2]) == 0) {
3113 ics_getting_history = H_GOT_REQ_HEADER;
3116 case H_GOT_REQ_HEADER:
3117 case H_GOT_UNREQ_HEADER:
3118 case H_GOT_UNWANTED_HEADER:
3119 case H_GETTING_MOVES:
3120 /* Should not happen */
3121 DisplayError(_("Error gathering move list: two headers"), 0);
3122 ics_getting_history = H_FALSE;
3126 /* Save player ratings into gameInfo if needed */
3127 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3128 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3129 (gameInfo.whiteRating == -1 ||
3130 gameInfo.blackRating == -1)) {
3132 gameInfo.whiteRating = string_to_rating(star_match[1]);
3133 gameInfo.blackRating = string_to_rating(star_match[3]);
3134 if (appData.debugMode)
3135 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3136 gameInfo.whiteRating, gameInfo.blackRating);
3141 if (looking_at(buf, &i,
3142 "* * match, initial time: * minute*, increment: * second")) {
3143 /* Header for a move list -- second line */
3144 /* Initial board will follow if this is a wild game */
3145 if (gameInfo.event != NULL) free(gameInfo.event);
3146 sprintf(str, "ICS %s %s match", star_match[0], star_match[1]);
3147 gameInfo.event = StrSave(str);
3148 /* [HGM] we switched variant. Translate boards if needed. */
3149 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3153 if (looking_at(buf, &i, "Move ")) {
3154 /* Beginning of a move list */
3155 switch (ics_getting_history) {
3157 /* Normally should not happen */
3158 /* Maybe user hit reset while we were parsing */
3161 /* Happens if we are ignoring a move list that is not
3162 * the one we just requested. Common if the user
3163 * tries to observe two games without turning off
3166 case H_GETTING_MOVES:
3167 /* Should not happen */
3168 DisplayError(_("Error gathering move list: nested"), 0);
3169 ics_getting_history = H_FALSE;
3171 case H_GOT_REQ_HEADER:
3172 ics_getting_history = H_GETTING_MOVES;
3173 started = STARTED_MOVES;
3175 if (oldi > next_out) {
3176 SendToPlayer(&buf[next_out], oldi - next_out);
3179 case H_GOT_UNREQ_HEADER:
3180 ics_getting_history = H_GETTING_MOVES;
3181 started = STARTED_MOVES_NOHIDE;
3184 case H_GOT_UNWANTED_HEADER:
3185 ics_getting_history = H_FALSE;
3191 if (looking_at(buf, &i, "% ") ||
3192 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3193 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3194 if(ics_type == ICS_ICC && soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3195 soughtPending = FALSE;
3199 if(suppressKibitz) next_out = i;
3200 savingComment = FALSE;
3204 case STARTED_MOVES_NOHIDE:
3205 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3206 parse[parse_pos + i - oldi] = NULLCHAR;
3207 ParseGameHistory(parse);
3209 if (appData.zippyPlay && first.initDone) {
3210 FeedMovesToProgram(&first, forwardMostMove);
3211 if (gameMode == IcsPlayingWhite) {
3212 if (WhiteOnMove(forwardMostMove)) {
3213 if (first.sendTime) {
3214 if (first.useColors) {
3215 SendToProgram("black\n", &first);
3217 SendTimeRemaining(&first, TRUE);
3219 if (first.useColors) {
3220 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3222 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3223 first.maybeThinking = TRUE;
3225 if (first.usePlayother) {
3226 if (first.sendTime) {
3227 SendTimeRemaining(&first, TRUE);
3229 SendToProgram("playother\n", &first);
3235 } else if (gameMode == IcsPlayingBlack) {
3236 if (!WhiteOnMove(forwardMostMove)) {
3237 if (first.sendTime) {
3238 if (first.useColors) {
3239 SendToProgram("white\n", &first);
3241 SendTimeRemaining(&first, FALSE);
3243 if (first.useColors) {
3244 SendToProgram("black\n", &first);
3246 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3247 first.maybeThinking = TRUE;
3249 if (first.usePlayother) {
3250 if (first.sendTime) {
3251 SendTimeRemaining(&first, FALSE);
3253 SendToProgram("playother\n", &first);
3262 if (gameMode == IcsObserving && ics_gamenum == -1) {
3263 /* Moves came from oldmoves or moves command
3264 while we weren't doing anything else.
3266 currentMove = forwardMostMove;
3267 ClearHighlights();/*!!could figure this out*/
3268 flipView = appData.flipView;
3269 DrawPosition(TRUE, boards[currentMove]);
3270 DisplayBothClocks();
3271 sprintf(str, "%s vs. %s",
3272 gameInfo.white, gameInfo.black);
3276 /* Moves were history of an active game */
3277 if (gameInfo.resultDetails != NULL) {
3278 free(gameInfo.resultDetails);
3279 gameInfo.resultDetails = NULL;
3282 HistorySet(parseList, backwardMostMove,
3283 forwardMostMove, currentMove-1);
3284 DisplayMove(currentMove - 1);
3285 if (started == STARTED_MOVES) next_out = i;
3286 started = STARTED_NONE;
3287 ics_getting_history = H_FALSE;
3290 case STARTED_OBSERVE:
3291 started = STARTED_NONE;
3292 SendToICS(ics_prefix);
3293 SendToICS("refresh\n");
3299 if(bookHit) { // [HGM] book: simulate book reply
3300 static char bookMove[MSG_SIZ]; // a bit generous?
3302 programStats.nodes = programStats.depth = programStats.time =
3303 programStats.score = programStats.got_only_move = 0;
3304 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3306 strcpy(bookMove, "move ");
3307 strcat(bookMove, bookHit);
3308 HandleMachineMove(bookMove, &first);
3313 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3314 started == STARTED_HOLDINGS ||
3315 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3316 /* Accumulate characters in move list or board */
3317 parse[parse_pos++] = buf[i];
3320 /* Start of game messages. Mostly we detect start of game
3321 when the first board image arrives. On some versions
3322 of the ICS, though, we need to do a "refresh" after starting
3323 to observe in order to get the current board right away. */
3324 if (looking_at(buf, &i, "Adding game * to observation list")) {
3325 started = STARTED_OBSERVE;
3329 /* Handle auto-observe */
3330 if (appData.autoObserve &&
3331 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3332 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3334 /* Choose the player that was highlighted, if any. */
3335 if (star_match[0][0] == '\033' ||
3336 star_match[1][0] != '\033') {
3337 player = star_match[0];
3339 player = star_match[2];
3341 sprintf(str, "%sobserve %s\n",
3342 ics_prefix, StripHighlightAndTitle(player));
3345 /* Save ratings from notify string */
3346 strcpy(player1Name, star_match[0]);
3347 player1Rating = string_to_rating(star_match[1]);
3348 strcpy(player2Name, star_match[2]);
3349 player2Rating = string_to_rating(star_match[3]);
3351 if (appData.debugMode)
3353 "Ratings from 'Game notification:' %s %d, %s %d\n",
3354 player1Name, player1Rating,
3355 player2Name, player2Rating);
3360 /* Deal with automatic examine mode after a game,
3361 and with IcsObserving -> IcsExamining transition */
3362 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3363 looking_at(buf, &i, "has made you an examiner of game *")) {
3365 int gamenum = atoi(star_match[0]);
3366 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3367 gamenum == ics_gamenum) {
3368 /* We were already playing or observing this game;
3369 no need to refetch history */
3370 gameMode = IcsExamining;
3372 pauseExamForwardMostMove = forwardMostMove;
3373 } else if (currentMove < forwardMostMove) {
3374 ForwardInner(forwardMostMove);
3377 /* I don't think this case really can happen */
3378 SendToICS(ics_prefix);
3379 SendToICS("refresh\n");
3384 /* Error messages */
3385 // if (ics_user_moved) {
3386 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3387 if (looking_at(buf, &i, "Illegal move") ||
3388 looking_at(buf, &i, "Not a legal move") ||
3389 looking_at(buf, &i, "Your king is in check") ||
3390 looking_at(buf, &i, "It isn't your turn") ||
3391 looking_at(buf, &i, "It is not your move")) {
3393 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3394 currentMove = forwardMostMove-1;
3395 DisplayMove(currentMove - 1); /* before DMError */
3396 DrawPosition(FALSE, boards[currentMove]);
3397 SwitchClocks(forwardMostMove-1); // [HGM] race
3398 DisplayBothClocks();
3400 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3406 if (looking_at(buf, &i, "still have time") ||
3407 looking_at(buf, &i, "not out of time") ||
3408 looking_at(buf, &i, "either player is out of time") ||
3409 looking_at(buf, &i, "has timeseal; checking")) {
3410 /* We must have called his flag a little too soon */
3411 whiteFlag = blackFlag = FALSE;
3415 if (looking_at(buf, &i, "added * seconds to") ||
3416 looking_at(buf, &i, "seconds were added to")) {
3417 /* Update the clocks */
3418 SendToICS(ics_prefix);
3419 SendToICS("refresh\n");
3423 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3424 ics_clock_paused = TRUE;
3429 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3430 ics_clock_paused = FALSE;
3435 /* Grab player ratings from the Creating: message.
3436 Note we have to check for the special case when
3437 the ICS inserts things like [white] or [black]. */
3438 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3439 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3441 0 player 1 name (not necessarily white)
3443 2 empty, white, or black (IGNORED)
3444 3 player 2 name (not necessarily black)
3447 The names/ratings are sorted out when the game
3448 actually starts (below).
3450 strcpy(player1Name, StripHighlightAndTitle(star_match[0]));
3451 player1Rating = string_to_rating(star_match[1]);
3452 strcpy(player2Name, StripHighlightAndTitle(star_match[3]));
3453 player2Rating = string_to_rating(star_match[4]);
3455 if (appData.debugMode)
3457 "Ratings from 'Creating:' %s %d, %s %d\n",
3458 player1Name, player1Rating,
3459 player2Name, player2Rating);
3464 /* Improved generic start/end-of-game messages */
3465 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3466 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3467 /* If tkind == 0: */
3468 /* star_match[0] is the game number */
3469 /* [1] is the white player's name */
3470 /* [2] is the black player's name */
3471 /* For end-of-game: */
3472 /* [3] is the reason for the game end */
3473 /* [4] is a PGN end game-token, preceded by " " */
3474 /* For start-of-game: */
3475 /* [3] begins with "Creating" or "Continuing" */
3476 /* [4] is " *" or empty (don't care). */
3477 int gamenum = atoi(star_match[0]);
3478 char *whitename, *blackname, *why, *endtoken;
3479 ChessMove endtype = (ChessMove) 0;
3482 whitename = star_match[1];
3483 blackname = star_match[2];
3484 why = star_match[3];
3485 endtoken = star_match[4];
3487 whitename = star_match[1];
3488 blackname = star_match[3];
3489 why = star_match[5];
3490 endtoken = star_match[6];
3493 /* Game start messages */
3494 if (strncmp(why, "Creating ", 9) == 0 ||
3495 strncmp(why, "Continuing ", 11) == 0) {
3496 gs_gamenum = gamenum;
3497 strcpy(gs_kind, strchr(why, ' ') + 1);
3498 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3500 if (appData.zippyPlay) {
3501 ZippyGameStart(whitename, blackname);
3504 partnerBoardValid = FALSE; // [HGM] bughouse
3508 /* Game end messages */
3509 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3510 ics_gamenum != gamenum) {
3513 while (endtoken[0] == ' ') endtoken++;
3514 switch (endtoken[0]) {
3517 endtype = GameUnfinished;
3520 endtype = BlackWins;
3523 if (endtoken[1] == '/')
3524 endtype = GameIsDrawn;
3526 endtype = WhiteWins;
3529 GameEnds(endtype, why, GE_ICS);
3531 if (appData.zippyPlay && first.initDone) {
3532 ZippyGameEnd(endtype, why);
3533 if (first.pr == NULL) {
3534 /* Start the next process early so that we'll
3535 be ready for the next challenge */
3536 StartChessProgram(&first);
3538 /* Send "new" early, in case this command takes
3539 a long time to finish, so that we'll be ready
3540 for the next challenge. */
3541 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3545 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3549 if (looking_at(buf, &i, "Removing game * from observation") ||
3550 looking_at(buf, &i, "no longer observing game *") ||
3551 looking_at(buf, &i, "Game * (*) has no examiners")) {
3552 if (gameMode == IcsObserving &&
3553 atoi(star_match[0]) == ics_gamenum)
3555 /* icsEngineAnalyze */
3556 if (appData.icsEngineAnalyze) {
3563 ics_user_moved = FALSE;
3568 if (looking_at(buf, &i, "no longer examining game *")) {
3569 if (gameMode == IcsExamining &&
3570 atoi(star_match[0]) == ics_gamenum)
3574 ics_user_moved = FALSE;
3579 /* Advance leftover_start past any newlines we find,
3580 so only partial lines can get reparsed */
3581 if (looking_at(buf, &i, "\n")) {
3582 prevColor = curColor;
3583 if (curColor != ColorNormal) {
3584 if (oldi > next_out) {
3585 SendToPlayer(&buf[next_out], oldi - next_out);
3588 Colorize(ColorNormal, FALSE);
3589 curColor = ColorNormal;
3591 if (started == STARTED_BOARD) {
3592 started = STARTED_NONE;
3593 parse[parse_pos] = NULLCHAR;
3594 ParseBoard12(parse);
3597 /* Send premove here */
3598 if (appData.premove) {
3600 if (currentMove == 0 &&
3601 gameMode == IcsPlayingWhite &&
3602 appData.premoveWhite) {
3603 sprintf(str, "%s\n", appData.premoveWhiteText);
3604 if (appData.debugMode)
3605 fprintf(debugFP, "Sending premove:\n");
3607 } else if (currentMove == 1 &&
3608 gameMode == IcsPlayingBlack &&
3609 appData.premoveBlack) {
3610 sprintf(str, "%s\n", appData.premoveBlackText);
3611 if (appData.debugMode)
3612 fprintf(debugFP, "Sending premove:\n");
3614 } else if (gotPremove) {
3616 ClearPremoveHighlights();
3617 if (appData.debugMode)
3618 fprintf(debugFP, "Sending premove:\n");
3619 UserMoveEvent(premoveFromX, premoveFromY,
3620 premoveToX, premoveToY,
3625 /* Usually suppress following prompt */
3626 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3627 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3628 if (looking_at(buf, &i, "*% ")) {
3629 savingComment = FALSE;
3634 } else if (started == STARTED_HOLDINGS) {
3636 char new_piece[MSG_SIZ];
3637 started = STARTED_NONE;
3638 parse[parse_pos] = NULLCHAR;
3639 if (appData.debugMode)
3640 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
3641 parse, currentMove);
3642 if (sscanf(parse, " game %d", &gamenum) == 1) {
3643 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
3644 if (gameInfo.variant == VariantNormal) {
3645 /* [HGM] We seem to switch variant during a game!
3646 * Presumably no holdings were displayed, so we have
3647 * to move the position two files to the right to
3648 * create room for them!
3650 VariantClass newVariant;
3651 switch(gameInfo.boardWidth) { // base guess on board width
3652 case 9: newVariant = VariantShogi; break;
3653 case 10: newVariant = VariantGreat; break;
3654 default: newVariant = VariantCrazyhouse; break;
3656 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3657 /* Get a move list just to see the header, which
3658 will tell us whether this is really bug or zh */
3659 if (ics_getting_history == H_FALSE) {
3660 ics_getting_history = H_REQUESTED;
3661 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3665 new_piece[0] = NULLCHAR;
3666 sscanf(parse, "game %d white [%s black [%s <- %s",
3667 &gamenum, white_holding, black_holding,
3669 white_holding[strlen(white_holding)-1] = NULLCHAR;
3670 black_holding[strlen(black_holding)-1] = NULLCHAR;
3671 /* [HGM] copy holdings to board holdings area */
3672 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
3673 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
3674 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
3676 if (appData.zippyPlay && first.initDone) {
3677 ZippyHoldings(white_holding, black_holding,
3681 if (tinyLayout || smallLayout) {
3682 char wh[16], bh[16];
3683 PackHolding(wh, white_holding);
3684 PackHolding(bh, black_holding);
3685 sprintf(str, "[%s-%s] %s-%s", wh, bh,
3686 gameInfo.white, gameInfo.black);
3688 sprintf(str, "%s [%s] vs. %s [%s]",
3689 gameInfo.white, white_holding,
3690 gameInfo.black, black_holding);
3692 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
3693 DrawPosition(FALSE, boards[currentMove]);
3695 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
3696 sscanf(parse, "game %d white [%s black [%s <- %s",
3697 &gamenum, white_holding, black_holding,
3699 white_holding[strlen(white_holding)-1] = NULLCHAR;
3700 black_holding[strlen(black_holding)-1] = NULLCHAR;
3701 /* [HGM] copy holdings to partner-board holdings area */
3702 CopyHoldings(partnerBoard, white_holding, WhitePawn);
3703 CopyHoldings(partnerBoard, black_holding, BlackPawn);
3704 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
3705 if(partnerUp) DrawPosition(FALSE, partnerBoard);
3706 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
3709 /* Suppress following prompt */
3710 if (looking_at(buf, &i, "*% ")) {
3711 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
3712 savingComment = FALSE;
3720 i++; /* skip unparsed character and loop back */
3723 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
3724 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
3725 // SendToPlayer(&buf[next_out], i - next_out);
3726 started != STARTED_HOLDINGS && leftover_start > next_out) {
3727 SendToPlayer(&buf[next_out], leftover_start - next_out);
3731 leftover_len = buf_len - leftover_start;
3732 /* if buffer ends with something we couldn't parse,
3733 reparse it after appending the next read */
3735 } else if (count == 0) {
3736 RemoveInputSource(isr);
3737 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
3739 DisplayFatalError(_("Error reading from ICS"), error, 1);
3744 /* Board style 12 looks like this:
3746 <12> r-b---k- pp----pp ---bP--- ---p---- q------- ------P- P--Q--BP -----R-K W -1 0 0 0 0 0 0 paf MaxII 0 2 12 21 25 234 174 24 Q/d7-a4 (0:06) Qxa4 0 0
3748 * The "<12> " is stripped before it gets to this routine. The two
3749 * trailing 0's (flip state and clock ticking) are later addition, and
3750 * some chess servers may not have them, or may have only the first.
3751 * Additional trailing fields may be added in the future.
3754 #define PATTERN "%c%d%d%d%d%d%d%d%s%s%d%d%d%d%d%d%d%d%s%s%s%d%d"
3756 #define RELATION_OBSERVING_PLAYED 0
3757 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
3758 #define RELATION_PLAYING_MYMOVE 1
3759 #define RELATION_PLAYING_NOTMYMOVE -1
3760 #define RELATION_EXAMINING 2
3761 #define RELATION_ISOLATED_BOARD -3
3762 #define RELATION_STARTING_POSITION -4 /* FICS only */
3765 ParseBoard12(string)
3768 GameMode newGameMode;
3769 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
3770 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
3771 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
3772 char to_play, board_chars[200];
3773 char move_str[500], str[500], elapsed_time[500];
3774 char black[32], white[32];
3776 int prevMove = currentMove;
3779 int fromX, fromY, toX, toY;
3781 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
3782 char *bookHit = NULL; // [HGM] book
3783 Boolean weird = FALSE, reqFlag = FALSE;
3785 fromX = fromY = toX = toY = -1;
3789 if (appData.debugMode)
3790 fprintf(debugFP, _("Parsing board: %s\n"), string);
3792 move_str[0] = NULLCHAR;
3793 elapsed_time[0] = NULLCHAR;
3794 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
3796 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
3797 if(string[i] == ' ') { ranks++; files = 0; }
3799 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
3802 for(j = 0; j <i; j++) board_chars[j] = string[j];
3803 board_chars[i] = '\0';
3806 n = sscanf(string, PATTERN, &to_play, &double_push,
3807 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
3808 &gamenum, white, black, &relation, &basetime, &increment,
3809 &white_stren, &black_stren, &white_time, &black_time,
3810 &moveNum, str, elapsed_time, move_str, &ics_flip,
3814 snprintf(str, sizeof(str), _("Failed to parse board string:\n\"%s\""), string);
3815 DisplayError(str, 0);
3819 /* Convert the move number to internal form */
3820 moveNum = (moveNum - 1) * 2;
3821 if (to_play == 'B') moveNum++;
3822 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
3823 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
3829 case RELATION_OBSERVING_PLAYED:
3830 case RELATION_OBSERVING_STATIC:
3831 if (gamenum == -1) {
3832 /* Old ICC buglet */
3833 relation = RELATION_OBSERVING_STATIC;
3835 newGameMode = IcsObserving;
3837 case RELATION_PLAYING_MYMOVE:
3838 case RELATION_PLAYING_NOTMYMOVE:
3840 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
3841 IcsPlayingWhite : IcsPlayingBlack;
3843 case RELATION_EXAMINING:
3844 newGameMode = IcsExamining;
3846 case RELATION_ISOLATED_BOARD:
3848 /* Just display this board. If user was doing something else,
3849 we will forget about it until the next board comes. */
3850 newGameMode = IcsIdle;
3852 case RELATION_STARTING_POSITION:
3853 newGameMode = gameMode;
3857 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
3858 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
3859 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
3861 for (k = 0; k < ranks; k++) {
3862 for (j = 0; j < files; j++)
3863 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
3864 if(gameInfo.holdingsWidth > 1) {
3865 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
3866 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
3869 CopyBoard(partnerBoard, board);
3870 if(toSqr = strchr(str, '/')) { // extract highlights from long move
3871 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
3872 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
3873 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
3874 if(toSqr = strchr(str, '-')) {
3875 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
3876 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
3877 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
3878 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
3879 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
3880 if(partnerUp) DrawPosition(FALSE, partnerBoard);
3881 if(twoBoards) { partnerUp = 0; flipView = !flipView; } // [HGM] dual
3882 sprintf(partnerStatus, "W: %d:%02d B: %d:%02d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
3883 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
3884 DisplayMessage(partnerStatus, "");
3885 partnerBoardValid = TRUE;
3889 /* Modify behavior for initial board display on move listing
3892 switch (ics_getting_history) {
3896 case H_GOT_REQ_HEADER:
3897 case H_GOT_UNREQ_HEADER:
3898 /* This is the initial position of the current game */
3899 gamenum = ics_gamenum;
3900 moveNum = 0; /* old ICS bug workaround */
3901 if (to_play == 'B') {
3902 startedFromSetupPosition = TRUE;
3903 blackPlaysFirst = TRUE;
3905 if (forwardMostMove == 0) forwardMostMove = 1;
3906 if (backwardMostMove == 0) backwardMostMove = 1;
3907 if (currentMove == 0) currentMove = 1;
3909 newGameMode = gameMode;
3910 relation = RELATION_STARTING_POSITION; /* ICC needs this */
3912 case H_GOT_UNWANTED_HEADER:
3913 /* This is an initial board that we don't want */
3915 case H_GETTING_MOVES:
3916 /* Should not happen */
3917 DisplayError(_("Error gathering move list: extra board"), 0);
3918 ics_getting_history = H_FALSE;
3922 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
3923 weird && (int)gameInfo.variant <= (int)VariantShogi) {
3924 /* [HGM] We seem to have switched variant unexpectedly
3925 * Try to guess new variant from board size
3927 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
3928 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
3929 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
3930 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
3931 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
3932 if(!weird) newVariant = VariantNormal;
3933 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3934 /* Get a move list just to see the header, which
3935 will tell us whether this is really bug or zh */
3936 if (ics_getting_history == H_FALSE) {
3937 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
3938 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3943 /* Take action if this is the first board of a new game, or of a
3944 different game than is currently being displayed. */
3945 if (gamenum != ics_gamenum || newGameMode != gameMode ||
3946 relation == RELATION_ISOLATED_BOARD) {
3948 /* Forget the old game and get the history (if any) of the new one */
3949 if (gameMode != BeginningOfGame) {
3953 if (appData.autoRaiseBoard) BoardToTop();
3955 if (gamenum == -1) {
3956 newGameMode = IcsIdle;
3957 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
3958 appData.getMoveList && !reqFlag) {
3959 /* Need to get game history */
3960 ics_getting_history = H_REQUESTED;
3961 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3965 /* Initially flip the board to have black on the bottom if playing
3966 black or if the ICS flip flag is set, but let the user change
3967 it with the Flip View button. */
3968 flipView = appData.autoFlipView ?
3969 (newGameMode == IcsPlayingBlack) || ics_flip :
3972 /* Done with values from previous mode; copy in new ones */
3973 gameMode = newGameMode;
3975 ics_gamenum = gamenum;
3976 if (gamenum == gs_gamenum) {
3977 int klen = strlen(gs_kind);
3978 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
3979 sprintf(str, "ICS %s", gs_kind);
3980 gameInfo.event = StrSave(str);
3982 gameInfo.event = StrSave("ICS game");
3984 gameInfo.site = StrSave(appData.icsHost);
3985 gameInfo.date = PGNDate();
3986 gameInfo.round = StrSave("-");
3987 gameInfo.white = StrSave(white);
3988 gameInfo.black = StrSave(black);
3989 timeControl = basetime * 60 * 1000;
3991 timeIncrement = increment * 1000;
3992 movesPerSession = 0;
3993 gameInfo.timeControl = TimeControlTagValue();
3994 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
3995 if (appData.debugMode) {
3996 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
3997 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
3998 setbuf(debugFP, NULL);
4001 gameInfo.outOfBook = NULL;
4003 /* Do we have the ratings? */
4004 if (strcmp(player1Name, white) == 0 &&
4005 strcmp(player2Name, black) == 0) {
4006 if (appData.debugMode)
4007 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4008 player1Rating, player2Rating);
4009 gameInfo.whiteRating = player1Rating;
4010 gameInfo.blackRating = player2Rating;
4011 } else if (strcmp(player2Name, white) == 0 &&
4012 strcmp(player1Name, black) == 0) {
4013 if (appData.debugMode)
4014 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4015 player2Rating, player1Rating);
4016 gameInfo.whiteRating = player2Rating;
4017 gameInfo.blackRating = player1Rating;
4019 player1Name[0] = player2Name[0] = NULLCHAR;
4021 /* Silence shouts if requested */
4022 if (appData.quietPlay &&
4023 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4024 SendToICS(ics_prefix);
4025 SendToICS("set shout 0\n");
4029 /* Deal with midgame name changes */
4031 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4032 if (gameInfo.white) free(gameInfo.white);
4033 gameInfo.white = StrSave(white);
4035 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4036 if (gameInfo.black) free(gameInfo.black);
4037 gameInfo.black = StrSave(black);
4041 /* Throw away game result if anything actually changes in examine mode */
4042 if (gameMode == IcsExamining && !newGame) {
4043 gameInfo.result = GameUnfinished;
4044 if (gameInfo.resultDetails != NULL) {
4045 free(gameInfo.resultDetails);
4046 gameInfo.resultDetails = NULL;
4050 /* In pausing && IcsExamining mode, we ignore boards coming
4051 in if they are in a different variation than we are. */
4052 if (pauseExamInvalid) return;
4053 if (pausing && gameMode == IcsExamining) {
4054 if (moveNum <= pauseExamForwardMostMove) {
4055 pauseExamInvalid = TRUE;
4056 forwardMostMove = pauseExamForwardMostMove;
4061 if (appData.debugMode) {
4062 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4064 /* Parse the board */
4065 for (k = 0; k < ranks; k++) {
4066 for (j = 0; j < files; j++)
4067 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4068 if(gameInfo.holdingsWidth > 1) {
4069 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4070 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4073 CopyBoard(boards[moveNum], board);
4074 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4076 startedFromSetupPosition =
4077 !CompareBoards(board, initialPosition);
4078 if(startedFromSetupPosition)
4079 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4082 /* [HGM] Set castling rights. Take the outermost Rooks,
4083 to make it also work for FRC opening positions. Note that board12
4084 is really defective for later FRC positions, as it has no way to
4085 indicate which Rook can castle if they are on the same side of King.
4086 For the initial position we grant rights to the outermost Rooks,
4087 and remember thos rights, and we then copy them on positions
4088 later in an FRC game. This means WB might not recognize castlings with
4089 Rooks that have moved back to their original position as illegal,
4090 but in ICS mode that is not its job anyway.
4092 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4093 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4095 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4096 if(board[0][i] == WhiteRook) j = i;
4097 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4098 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4099 if(board[0][i] == WhiteRook) j = i;
4100 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4101 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4102 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4103 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4104 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4105 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4106 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4108 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4109 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4110 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4111 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4112 if(board[BOARD_HEIGHT-1][k] == bKing)
4113 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4114 if(gameInfo.variant == VariantTwoKings) {
4115 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4116 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4117 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4120 r = boards[moveNum][CASTLING][0] = initialRights[0];
4121 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4122 r = boards[moveNum][CASTLING][1] = initialRights[1];
4123 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4124 r = boards[moveNum][CASTLING][3] = initialRights[3];
4125 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4126 r = boards[moveNum][CASTLING][4] = initialRights[4];
4127 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4128 /* wildcastle kludge: always assume King has rights */
4129 r = boards[moveNum][CASTLING][2] = initialRights[2];
4130 r = boards[moveNum][CASTLING][5] = initialRights[5];
4132 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4133 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4136 if (ics_getting_history == H_GOT_REQ_HEADER ||
4137 ics_getting_history == H_GOT_UNREQ_HEADER) {
4138 /* This was an initial position from a move list, not
4139 the current position */
4143 /* Update currentMove and known move number limits */
4144 newMove = newGame || moveNum > forwardMostMove;
4147 forwardMostMove = backwardMostMove = currentMove = moveNum;
4148 if (gameMode == IcsExamining && moveNum == 0) {
4149 /* Workaround for ICS limitation: we are not told the wild
4150 type when starting to examine a game. But if we ask for
4151 the move list, the move list header will tell us */
4152 ics_getting_history = H_REQUESTED;
4153 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
4156 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4157 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4159 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4160 /* [HGM] applied this also to an engine that is silently watching */
4161 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4162 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4163 gameInfo.variant == currentlyInitializedVariant) {
4164 takeback = forwardMostMove - moveNum;
4165 for (i = 0; i < takeback; i++) {
4166 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4167 SendToProgram("undo\n", &first);
4172 forwardMostMove = moveNum;
4173 if (!pausing || currentMove > forwardMostMove)
4174 currentMove = forwardMostMove;
4176 /* New part of history that is not contiguous with old part */
4177 if (pausing && gameMode == IcsExamining) {
4178 pauseExamInvalid = TRUE;
4179 forwardMostMove = pauseExamForwardMostMove;
4182 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4184 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4185 // [HGM] when we will receive the move list we now request, it will be
4186 // fed to the engine from the first move on. So if the engine is not
4187 // in the initial position now, bring it there.
4188 InitChessProgram(&first, 0);
4191 ics_getting_history = H_REQUESTED;
4192 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
4195 forwardMostMove = backwardMostMove = currentMove = moveNum;
4198 /* Update the clocks */
4199 if (strchr(elapsed_time, '.')) {
4201 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4202 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4204 /* Time is in seconds */
4205 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4206 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4211 if (appData.zippyPlay && newGame &&
4212 gameMode != IcsObserving && gameMode != IcsIdle &&
4213 gameMode != IcsExamining)
4214 ZippyFirstBoard(moveNum, basetime, increment);
4217 /* Put the move on the move list, first converting
4218 to canonical algebraic form. */
4220 if (appData.debugMode) {
4221 if (appData.debugMode) { int f = forwardMostMove;
4222 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4223 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4224 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4226 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4227 fprintf(debugFP, "moveNum = %d\n", moveNum);
4228 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4229 setbuf(debugFP, NULL);
4231 if (moveNum <= backwardMostMove) {
4232 /* We don't know what the board looked like before
4234 strcpy(parseList[moveNum - 1], move_str);
4235 strcat(parseList[moveNum - 1], " ");
4236 strcat(parseList[moveNum - 1], elapsed_time);
4237 moveList[moveNum - 1][0] = NULLCHAR;
4238 } else if (strcmp(move_str, "none") == 0) {
4239 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4240 /* Again, we don't know what the board looked like;
4241 this is really the start of the game. */
4242 parseList[moveNum - 1][0] = NULLCHAR;
4243 moveList[moveNum - 1][0] = NULLCHAR;
4244 backwardMostMove = moveNum;
4245 startedFromSetupPosition = TRUE;
4246 fromX = fromY = toX = toY = -1;
4248 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4249 // So we parse the long-algebraic move string in stead of the SAN move
4250 int valid; char buf[MSG_SIZ], *prom;
4252 // str looks something like "Q/a1-a2"; kill the slash
4254 sprintf(buf, "%c%s", str[0], str+2);
4255 else strcpy(buf, str); // might be castling
4256 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4257 strcat(buf, prom); // long move lacks promo specification!
4258 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4259 if(appData.debugMode)
4260 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4261 strcpy(move_str, buf);
4263 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4264 &fromX, &fromY, &toX, &toY, &promoChar)
4265 || ParseOneMove(buf, moveNum - 1, &moveType,
4266 &fromX, &fromY, &toX, &toY, &promoChar);
4267 // end of long SAN patch
4269 (void) CoordsToAlgebraic(boards[moveNum - 1],
4270 PosFlags(moveNum - 1),
4271 fromY, fromX, toY, toX, promoChar,
4272 parseList[moveNum-1]);
4273 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4279 if(gameInfo.variant != VariantShogi)
4280 strcat(parseList[moveNum - 1], "+");
4283 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4284 strcat(parseList[moveNum - 1], "#");
4287 strcat(parseList[moveNum - 1], " ");
4288 strcat(parseList[moveNum - 1], elapsed_time);
4289 /* currentMoveString is set as a side-effect of ParseOneMove */
4290 strcpy(moveList[moveNum - 1], currentMoveString);
4291 strcat(moveList[moveNum - 1], "\n");
4293 /* Move from ICS was illegal!? Punt. */
4294 if (appData.debugMode) {
4295 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4296 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4298 strcpy(parseList[moveNum - 1], move_str);
4299 strcat(parseList[moveNum - 1], " ");
4300 strcat(parseList[moveNum - 1], elapsed_time);
4301 moveList[moveNum - 1][0] = NULLCHAR;
4302 fromX = fromY = toX = toY = -1;
4305 if (appData.debugMode) {
4306 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4307 setbuf(debugFP, NULL);
4311 /* Send move to chess program (BEFORE animating it). */
4312 if (appData.zippyPlay && !newGame && newMove &&
4313 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4315 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4316 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4317 if (moveList[moveNum - 1][0] == NULLCHAR) {
4318 sprintf(str, _("Couldn't parse move \"%s\" from ICS"),
4320 DisplayError(str, 0);
4322 if (first.sendTime) {
4323 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4325 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4326 if (firstMove && !bookHit) {
4328 if (first.useColors) {
4329 SendToProgram(gameMode == IcsPlayingWhite ?
4331 "black\ngo\n", &first);
4333 SendToProgram("go\n", &first);
4335 first.maybeThinking = TRUE;
4338 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4339 if (moveList[moveNum - 1][0] == NULLCHAR) {
4340 sprintf(str, _("Couldn't parse move \"%s\" from ICS"), move_str);
4341 DisplayError(str, 0);
4343 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4344 SendMoveToProgram(moveNum - 1, &first);
4351 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4352 /* If move comes from a remote source, animate it. If it
4353 isn't remote, it will have already been animated. */
4354 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4355 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4357 if (!pausing && appData.highlightLastMove) {
4358 SetHighlights(fromX, fromY, toX, toY);
4362 /* Start the clocks */
4363 whiteFlag = blackFlag = FALSE;
4364 appData.clockMode = !(basetime == 0 && increment == 0);
4366 ics_clock_paused = TRUE;
4368 } else if (ticking == 1) {
4369 ics_clock_paused = FALSE;
4371 if (gameMode == IcsIdle ||
4372 relation == RELATION_OBSERVING_STATIC ||
4373 relation == RELATION_EXAMINING ||
4375 DisplayBothClocks();
4379 /* Display opponents and material strengths */
4380 if (gameInfo.variant != VariantBughouse &&
4381 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4382 if (tinyLayout || smallLayout) {
4383 if(gameInfo.variant == VariantNormal)
4384 sprintf(str, "%s(%d) %s(%d) {%d %d}",
4385 gameInfo.white, white_stren, gameInfo.black, black_stren,
4386 basetime, increment);
4388 sprintf(str, "%s(%d) %s(%d) {%d %d w%d}",
4389 gameInfo.white, white_stren, gameInfo.black, black_stren,
4390 basetime, increment, (int) gameInfo.variant);
4392 if(gameInfo.variant == VariantNormal)
4393 sprintf(str, "%s (%d) vs. %s (%d) {%d %d}",
4394 gameInfo.white, white_stren, gameInfo.black, black_stren,
4395 basetime, increment);
4397 sprintf(str, "%s (%d) vs. %s (%d) {%d %d %s}",
4398 gameInfo.white, white_stren, gameInfo.black, black_stren,
4399 basetime, increment, VariantName(gameInfo.variant));
4402 if (appData.debugMode) {
4403 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4408 /* Display the board */
4409 if (!pausing && !appData.noGUI) {
4411 if (appData.premove)
4413 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4414 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4415 ClearPremoveHighlights();
4417 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4418 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4419 DrawPosition(j, boards[currentMove]);
4421 DisplayMove(moveNum - 1);
4422 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4423 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4424 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4425 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4429 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4431 if(bookHit) { // [HGM] book: simulate book reply
4432 static char bookMove[MSG_SIZ]; // a bit generous?
4434 programStats.nodes = programStats.depth = programStats.time =
4435 programStats.score = programStats.got_only_move = 0;
4436 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4438 strcpy(bookMove, "move ");
4439 strcat(bookMove, bookHit);
4440 HandleMachineMove(bookMove, &first);
4449 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4450 ics_getting_history = H_REQUESTED;
4451 sprintf(buf, "%smoves %d\n", ics_prefix, ics_gamenum);
4457 AnalysisPeriodicEvent(force)
4460 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4461 && !force) || !appData.periodicUpdates)
4464 /* Send . command to Crafty to collect stats */
4465 SendToProgram(".\n", &first);
4467 /* Don't send another until we get a response (this makes
4468 us stop sending to old Crafty's which don't understand
4469 the "." command (sending illegal cmds resets node count & time,
4470 which looks bad)) */
4471 programStats.ok_to_send = 0;
4474 void ics_update_width(new_width)
4477 ics_printf("set width %d\n", new_width);
4481 SendMoveToProgram(moveNum, cps)
4483 ChessProgramState *cps;
4487 if (cps->useUsermove) {
4488 SendToProgram("usermove ", cps);
4492 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4493 int len = space - parseList[moveNum];
4494 memcpy(buf, parseList[moveNum], len);
4496 buf[len] = NULLCHAR;
4498 sprintf(buf, "%s\n", parseList[moveNum]);
4500 SendToProgram(buf, cps);
4502 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4503 AlphaRank(moveList[moveNum], 4);
4504 SendToProgram(moveList[moveNum], cps);
4505 AlphaRank(moveList[moveNum], 4); // and back
4507 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4508 * the engine. It would be nice to have a better way to identify castle
4510 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4511 && cps->useOOCastle) {
4512 int fromX = moveList[moveNum][0] - AAA;
4513 int fromY = moveList[moveNum][1] - ONE;
4514 int toX = moveList[moveNum][2] - AAA;
4515 int toY = moveList[moveNum][3] - ONE;
4516 if((boards[moveNum][fromY][fromX] == WhiteKing
4517 && boards[moveNum][toY][toX] == WhiteRook)
4518 || (boards[moveNum][fromY][fromX] == BlackKing
4519 && boards[moveNum][toY][toX] == BlackRook)) {
4520 if(toX > fromX) SendToProgram("O-O\n", cps);
4521 else SendToProgram("O-O-O\n", cps);
4523 else SendToProgram(moveList[moveNum], cps);
4525 else SendToProgram(moveList[moveNum], cps);
4526 /* End of additions by Tord */
4529 /* [HGM] setting up the opening has brought engine in force mode! */
4530 /* Send 'go' if we are in a mode where machine should play. */
4531 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4532 (gameMode == TwoMachinesPlay ||
4534 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4536 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4537 SendToProgram("go\n", cps);
4538 if (appData.debugMode) {
4539 fprintf(debugFP, "(extra)\n");
4542 setboardSpoiledMachineBlack = 0;
4546 SendMoveToICS(moveType, fromX, fromY, toX, toY)
4548 int fromX, fromY, toX, toY;
4550 char user_move[MSG_SIZ];
4554 sprintf(user_move, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4555 (int)moveType, fromX, fromY, toX, toY);
4556 DisplayError(user_move + strlen("say "), 0);
4558 case WhiteKingSideCastle:
4559 case BlackKingSideCastle:
4560 case WhiteQueenSideCastleWild:
4561 case BlackQueenSideCastleWild:
4563 case WhiteHSideCastleFR:
4564 case BlackHSideCastleFR:
4566 sprintf(user_move, "o-o\n");
4568 case WhiteQueenSideCastle:
4569 case BlackQueenSideCastle:
4570 case WhiteKingSideCastleWild:
4571 case BlackKingSideCastleWild:
4573 case WhiteASideCastleFR:
4574 case BlackASideCastleFR:
4576 sprintf(user_move, "o-o-o\n");
4578 case WhitePromotionQueen:
4579 case BlackPromotionQueen:
4580 case WhitePromotionRook:
4581 case BlackPromotionRook:
4582 case WhitePromotionBishop:
4583 case BlackPromotionBishop:
4584 case WhitePromotionKnight:
4585 case BlackPromotionKnight:
4586 case WhitePromotionKing:
4587 case BlackPromotionKing:
4588 case WhitePromotionChancellor:
4589 case BlackPromotionChancellor:
4590 case WhitePromotionArchbishop:
4591 case BlackPromotionArchbishop:
4592 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4593 sprintf(user_move, "%c%c%c%c=%c\n",
4594 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4595 PieceToChar(WhiteFerz));
4596 else if(gameInfo.variant == VariantGreat)
4597 sprintf(user_move, "%c%c%c%c=%c\n",
4598 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4599 PieceToChar(WhiteMan));
4601 sprintf(user_move, "%c%c%c%c=%c\n",
4602 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4603 PieceToChar(PromoPiece(moveType)));
4607 sprintf(user_move, "%c@%c%c\n",
4608 ToUpper(PieceToChar((ChessSquare) fromX)),
4609 AAA + toX, ONE + toY);
4612 case WhiteCapturesEnPassant:
4613 case BlackCapturesEnPassant:
4614 case IllegalMove: /* could be a variant we don't quite understand */
4615 sprintf(user_move, "%c%c%c%c\n",
4616 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4619 SendToICS(user_move);
4620 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
4621 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
4626 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
4627 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
4628 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
4629 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
4630 DisplayError("You cannot do this while you are playing or observing", 0);
4633 if(gameMode != IcsExamining) { // is this ever not the case?
4634 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
4636 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
4637 sprintf(command, "match %s", ics_handle);
4638 } else { // on FICS we must first go to general examine mode
4639 strcpy(command, "examine\nbsetup"); // and specify variant within it with bsetups
4641 if(gameInfo.variant != VariantNormal) {
4642 // try figure out wild number, as xboard names are not always valid on ICS
4643 for(i=1; i<=36; i++) {
4644 sprintf(buf, "wild/%d", i);
4645 if(StringToVariant(buf) == gameInfo.variant) break;
4647 if(i<=36 && ics_type == ICS_ICC) sprintf(buf, "%s w%d\n", command, i);
4648 else if(i == 22) sprintf(buf, "%s fr\n", command);
4649 else sprintf(buf, "%s %s\n", command, VariantName(gameInfo.variant));
4650 } else sprintf(buf, "%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
4651 SendToICS(ics_prefix);
4653 if(startedFromSetupPosition || backwardMostMove != 0) {
4654 fen = PositionToFEN(backwardMostMove, NULL);
4655 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
4656 sprintf(buf, "loadfen %s\n", fen);
4658 } else { // FICS: everything has to set by separate bsetup commands
4659 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
4660 sprintf(buf, "bsetup fen %s\n", fen);
4662 if(!WhiteOnMove(backwardMostMove)) {
4663 SendToICS("bsetup tomove black\n");
4665 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
4666 sprintf(buf, "bsetup wcastle %s\n", castlingStrings[i]);
4668 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
4669 sprintf(buf, "bsetup bcastle %s\n", castlingStrings[i]);
4671 i = boards[backwardMostMove][EP_STATUS];
4672 if(i >= 0) { // set e.p.
4673 sprintf(buf, "bsetup eppos %c\n", i+AAA);
4679 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
4680 SendToICS("bsetup done\n"); // switch to normal examining.
4682 for(i = backwardMostMove; i<last; i++) {
4684 sprintf(buf, "%s\n", parseList[i]);
4687 SendToICS(ics_prefix);
4688 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
4692 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
4697 if (rf == DROP_RANK) {
4698 sprintf(move, "%c@%c%c\n",
4699 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
4701 if (promoChar == 'x' || promoChar == NULLCHAR) {
4702 sprintf(move, "%c%c%c%c\n",
4703 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
4705 sprintf(move, "%c%c%c%c%c\n",
4706 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
4712 ProcessICSInitScript(f)
4717 while (fgets(buf, MSG_SIZ, f)) {
4718 SendToICSDelayed(buf,(long)appData.msLoginDelay);
4725 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
4727 AlphaRank(char *move, int n)
4729 // char *p = move, c; int x, y;
4731 if (appData.debugMode) {
4732 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
4736 move[2]>='0' && move[2]<='9' &&
4737 move[3]>='a' && move[3]<='x' ) {
4739 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4740 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4742 if(move[0]>='0' && move[0]<='9' &&
4743 move[1]>='a' && move[1]<='x' &&
4744 move[2]>='0' && move[2]<='9' &&
4745 move[3]>='a' && move[3]<='x' ) {
4746 /* input move, Shogi -> normal */
4747 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
4748 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
4749 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4750 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4753 move[3]>='0' && move[3]<='9' &&
4754 move[2]>='a' && move[2]<='x' ) {
4756 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4757 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4760 move[0]>='a' && move[0]<='x' &&
4761 move[3]>='0' && move[3]<='9' &&
4762 move[2]>='a' && move[2]<='x' ) {
4763 /* output move, normal -> Shogi */
4764 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
4765 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
4766 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4767 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4768 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
4770 if (appData.debugMode) {
4771 fprintf(debugFP, " out = '%s'\n", move);
4775 char yy_textstr[8000];
4777 /* Parser for moves from gnuchess, ICS, or user typein box */
4779 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
4782 ChessMove *moveType;
4783 int *fromX, *fromY, *toX, *toY;
4786 if (appData.debugMode) {
4787 fprintf(debugFP, "move to parse: %s\n", move);
4789 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
4791 switch (*moveType) {
4792 case WhitePromotionChancellor:
4793 case BlackPromotionChancellor:
4794 case WhitePromotionArchbishop:
4795 case BlackPromotionArchbishop:
4796 case WhitePromotionQueen:
4797 case BlackPromotionQueen:
4798 case WhitePromotionRook:
4799 case BlackPromotionRook:
4800 case WhitePromotionBishop:
4801 case BlackPromotionBishop:
4802 case WhitePromotionKnight:
4803 case BlackPromotionKnight:
4804 case WhitePromotionKing:
4805 case BlackPromotionKing:
4807 case WhiteCapturesEnPassant:
4808 case BlackCapturesEnPassant:
4809 case WhiteKingSideCastle:
4810 case WhiteQueenSideCastle:
4811 case BlackKingSideCastle:
4812 case BlackQueenSideCastle:
4813 case WhiteKingSideCastleWild:
4814 case WhiteQueenSideCastleWild:
4815 case BlackKingSideCastleWild:
4816 case BlackQueenSideCastleWild:
4817 /* Code added by Tord: */
4818 case WhiteHSideCastleFR:
4819 case WhiteASideCastleFR:
4820 case BlackHSideCastleFR:
4821 case BlackASideCastleFR:
4822 /* End of code added by Tord */
4823 case IllegalMove: /* bug or odd chess variant */
4824 *fromX = currentMoveString[0] - AAA;
4825 *fromY = currentMoveString[1] - ONE;
4826 *toX = currentMoveString[2] - AAA;
4827 *toY = currentMoveString[3] - ONE;
4828 *promoChar = currentMoveString[4];
4829 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
4830 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
4831 if (appData.debugMode) {
4832 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
4834 *fromX = *fromY = *toX = *toY = 0;
4837 if (appData.testLegality) {
4838 return (*moveType != IllegalMove);
4840 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
4841 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
4846 *fromX = *moveType == WhiteDrop ?
4847 (int) CharToPiece(ToUpper(currentMoveString[0])) :
4848 (int) CharToPiece(ToLower(currentMoveString[0]));
4850 *toX = currentMoveString[2] - AAA;
4851 *toY = currentMoveString[3] - ONE;
4852 *promoChar = NULLCHAR;
4856 case ImpossibleMove:
4857 case (ChessMove) 0: /* end of file */
4866 if (appData.debugMode) {
4867 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
4870 *fromX = *fromY = *toX = *toY = 0;
4871 *promoChar = NULLCHAR;
4878 ParsePV(char *pv, Boolean storeComments)
4879 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
4880 int fromX, fromY, toX, toY; char promoChar;
4885 endPV = forwardMostMove;
4887 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
4888 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
4889 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
4890 if(appData.debugMode){
4891 fprintf(debugFP,"parsePV: %d %c%c%c%c yy='%s'\nPV = '%s'\n", valid, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, yy_textstr, pv);
4893 if(!valid && nr == 0 &&
4894 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
4895 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
4896 // Hande case where played move is different from leading PV move
4897 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
4898 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
4899 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
4900 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
4901 endPV += 2; // if position different, keep this
4902 moveList[endPV-1][0] = fromX + AAA;
4903 moveList[endPV-1][1] = fromY + ONE;
4904 moveList[endPV-1][2] = toX + AAA;
4905 moveList[endPV-1][3] = toY + ONE;
4906 parseList[endPV-1][0] = NULLCHAR;
4907 strcpy(moveList[endPV-2], "_0_0"); // suppress premove highlight on takeback move
4910 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
4911 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
4912 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
4913 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
4914 valid++; // allow comments in PV
4918 if(endPV+1 > framePtr) break; // no space, truncate
4921 CopyBoard(boards[endPV], boards[endPV-1]);
4922 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
4923 moveList[endPV-1][0] = fromX + AAA;
4924 moveList[endPV-1][1] = fromY + ONE;
4925 moveList[endPV-1][2] = toX + AAA;
4926 moveList[endPV-1][3] = toY + ONE;
4928 CoordsToAlgebraic(boards[endPV - 1],
4929 PosFlags(endPV - 1),
4930 fromY, fromX, toY, toX, promoChar,
4931 parseList[endPV - 1]);
4933 parseList[endPV-1][0] = NULLCHAR;
4935 currentMove = endPV;
4936 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
4937 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
4938 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
4939 DrawPosition(TRUE, boards[currentMove]);
4942 static int lastX, lastY;
4945 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
4950 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
4951 lastX = x; lastY = y;
4952 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
4954 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
4955 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
4957 do{ while(buf[index] && buf[index] != '\n') index++;
4958 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
4960 ParsePV(buf+startPV, FALSE);
4961 *start = startPV; *end = index-1;
4966 LoadPV(int x, int y)
4967 { // called on right mouse click to load PV
4968 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
4969 lastX = x; lastY = y;
4970 ParsePV(lastPV[which], FALSE); // load the PV of the thinking engine in the boards array.
4977 if(endPV < 0) return;
4979 currentMove = forwardMostMove;
4980 ClearPremoveHighlights();
4981 DrawPosition(TRUE, boards[currentMove]);
4985 MovePV(int x, int y, int h)
4986 { // step through PV based on mouse coordinates (called on mouse move)
4987 int margin = h>>3, step = 0;
4989 if(endPV < 0) return;
4990 // we must somehow check if right button is still down (might be released off board!)
4991 if(y < margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = 1; else
4992 if(y > h - margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = -1; else
4993 if( y > lastY + 6 ) step = -1; else if(y < lastY - 6) step = 1;
4995 lastX = x; lastY = y;
4996 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
4997 currentMove += step;
4998 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
4999 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5000 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5001 DrawPosition(FALSE, boards[currentMove]);
5005 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5006 // All positions will have equal probability, but the current method will not provide a unique
5007 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5013 int piecesLeft[(int)BlackPawn];
5014 int seed, nrOfShuffles;
5016 void GetPositionNumber()
5017 { // sets global variable seed
5020 seed = appData.defaultFrcPosition;
5021 if(seed < 0) { // randomize based on time for negative FRC position numbers
5022 for(i=0; i<50; i++) seed += random();
5023 seed = random() ^ random() >> 8 ^ random() << 8;
5024 if(seed<0) seed = -seed;
5028 int put(Board board, int pieceType, int rank, int n, int shade)
5029 // put the piece on the (n-1)-th empty squares of the given shade
5033 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5034 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5035 board[rank][i] = (ChessSquare) pieceType;
5036 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5038 piecesLeft[pieceType]--;
5046 void AddOnePiece(Board board, int pieceType, int rank, int shade)
5047 // calculate where the next piece goes, (any empty square), and put it there
5051 i = seed % squaresLeft[shade];
5052 nrOfShuffles *= squaresLeft[shade];
5053 seed /= squaresLeft[shade];
5054 put(board, pieceType, rank, i, shade);
5057 void AddTwoPieces(Board board, int pieceType, int rank)
5058 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5060 int i, n=squaresLeft[ANY], j=n-1, k;
5062 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5063 i = seed % k; // pick one
5066 while(i >= j) i -= j--;
5067 j = n - 1 - j; i += j;
5068 put(board, pieceType, rank, j, ANY);
5069 put(board, pieceType, rank, i, ANY);
5072 void SetUpShuffle(Board board, int number)
5076 GetPositionNumber(); nrOfShuffles = 1;
5078 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5079 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5080 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5082 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5084 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5085 p = (int) board[0][i];
5086 if(p < (int) BlackPawn) piecesLeft[p] ++;
5087 board[0][i] = EmptySquare;
5090 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5091 // shuffles restricted to allow normal castling put KRR first
5092 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5093 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5094 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5095 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5096 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5097 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5098 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5099 put(board, WhiteRook, 0, 0, ANY);
5100 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5103 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5104 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5105 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5106 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5107 while(piecesLeft[p] >= 2) {
5108 AddOnePiece(board, p, 0, LITE);
5109 AddOnePiece(board, p, 0, DARK);
5111 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5114 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5115 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5116 // but we leave King and Rooks for last, to possibly obey FRC restriction
5117 if(p == (int)WhiteRook) continue;
5118 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5119 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5122 // now everything is placed, except perhaps King (Unicorn) and Rooks
5124 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5125 // Last King gets castling rights
5126 while(piecesLeft[(int)WhiteUnicorn]) {
5127 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5128 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5131 while(piecesLeft[(int)WhiteKing]) {
5132 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5133 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5138 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5139 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5142 // Only Rooks can be left; simply place them all
5143 while(piecesLeft[(int)WhiteRook]) {
5144 i = put(board, WhiteRook, 0, 0, ANY);
5145 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5148 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5150 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5153 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5154 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5157 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5160 int SetCharTable( char *table, const char * map )
5161 /* [HGM] moved here from winboard.c because of its general usefulness */
5162 /* Basically a safe strcpy that uses the last character as King */
5164 int result = FALSE; int NrPieces;
5166 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5167 && NrPieces >= 12 && !(NrPieces&1)) {
5168 int i; /* [HGM] Accept even length from 12 to 34 */
5170 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5171 for( i=0; i<NrPieces/2-1; i++ ) {
5173 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5175 table[(int) WhiteKing] = map[NrPieces/2-1];
5176 table[(int) BlackKing] = map[NrPieces-1];
5184 void Prelude(Board board)
5185 { // [HGM] superchess: random selection of exo-pieces
5186 int i, j, k; ChessSquare p;
5187 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5189 GetPositionNumber(); // use FRC position number
5191 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5192 SetCharTable(pieceToChar, appData.pieceToCharTable);
5193 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5194 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5197 j = seed%4; seed /= 4;
5198 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5199 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5200 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5201 j = seed%3 + (seed%3 >= j); seed /= 3;
5202 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5203 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5204 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5205 j = seed%3; seed /= 3;
5206 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5207 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5208 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5209 j = seed%2 + (seed%2 >= j); seed /= 2;
5210 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5211 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5212 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5213 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5214 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5215 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5216 put(board, exoPieces[0], 0, 0, ANY);
5217 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5221 InitPosition(redraw)
5224 ChessSquare (* pieces)[BOARD_FILES];
5225 int i, j, pawnRow, overrule,
5226 oldx = gameInfo.boardWidth,
5227 oldy = gameInfo.boardHeight,
5228 oldh = gameInfo.holdingsWidth,
5229 oldv = gameInfo.variant;
5231 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5233 /* [AS] Initialize pv info list [HGM] and game status */
5235 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5236 pvInfoList[i].depth = 0;
5237 boards[i][EP_STATUS] = EP_NONE;
5238 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5241 initialRulePlies = 0; /* 50-move counter start */
5243 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5244 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5248 /* [HGM] logic here is completely changed. In stead of full positions */
5249 /* the initialized data only consist of the two backranks. The switch */
5250 /* selects which one we will use, which is than copied to the Board */
5251 /* initialPosition, which for the rest is initialized by Pawns and */
5252 /* empty squares. This initial position is then copied to boards[0], */
5253 /* possibly after shuffling, so that it remains available. */
5255 gameInfo.holdingsWidth = 0; /* default board sizes */
5256 gameInfo.boardWidth = 8;
5257 gameInfo.boardHeight = 8;
5258 gameInfo.holdingsSize = 0;
5259 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5260 for(i=0; i<BOARD_FILES-2; i++)
5261 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5262 initialPosition[EP_STATUS] = EP_NONE;
5263 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5265 switch (gameInfo.variant) {
5266 case VariantFischeRandom:
5267 shuffleOpenings = TRUE;
5271 case VariantShatranj:
5272 pieces = ShatranjArray;
5273 nrCastlingRights = 0;
5274 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5277 pieces = makrukArray;
5278 nrCastlingRights = 0;
5279 startedFromSetupPosition = TRUE;
5280 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5282 case VariantTwoKings:
5283 pieces = twoKingsArray;
5285 case VariantCapaRandom:
5286 shuffleOpenings = TRUE;
5287 case VariantCapablanca:
5288 pieces = CapablancaArray;
5289 gameInfo.boardWidth = 10;
5290 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5293 pieces = GothicArray;
5294 gameInfo.boardWidth = 10;
5295 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5298 pieces = JanusArray;
5299 gameInfo.boardWidth = 10;
5300 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5301 nrCastlingRights = 6;
5302 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5303 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5304 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5305 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5306 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5307 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5310 pieces = FalconArray;
5311 gameInfo.boardWidth = 10;
5312 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5314 case VariantXiangqi:
5315 pieces = XiangqiArray;
5316 gameInfo.boardWidth = 9;
5317 gameInfo.boardHeight = 10;
5318 nrCastlingRights = 0;
5319 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5322 pieces = ShogiArray;
5323 gameInfo.boardWidth = 9;
5324 gameInfo.boardHeight = 9;
5325 gameInfo.holdingsSize = 7;
5326 nrCastlingRights = 0;
5327 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5329 case VariantCourier:
5330 pieces = CourierArray;
5331 gameInfo.boardWidth = 12;
5332 nrCastlingRights = 0;
5333 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5335 case VariantKnightmate:
5336 pieces = KnightmateArray;
5337 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5340 pieces = fairyArray;
5341 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5344 pieces = GreatArray;
5345 gameInfo.boardWidth = 10;
5346 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5347 gameInfo.holdingsSize = 8;
5351 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5352 gameInfo.holdingsSize = 8;
5353 startedFromSetupPosition = TRUE;
5355 case VariantCrazyhouse:
5356 case VariantBughouse:
5358 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5359 gameInfo.holdingsSize = 5;
5361 case VariantWildCastle:
5363 /* !!?shuffle with kings guaranteed to be on d or e file */
5364 shuffleOpenings = 1;
5366 case VariantNoCastle:
5368 nrCastlingRights = 0;
5369 /* !!?unconstrained back-rank shuffle */
5370 shuffleOpenings = 1;
5375 if(appData.NrFiles >= 0) {
5376 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5377 gameInfo.boardWidth = appData.NrFiles;
5379 if(appData.NrRanks >= 0) {
5380 gameInfo.boardHeight = appData.NrRanks;
5382 if(appData.holdingsSize >= 0) {
5383 i = appData.holdingsSize;
5384 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5385 gameInfo.holdingsSize = i;
5387 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5388 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5389 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5391 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5392 if(pawnRow < 1) pawnRow = 1;
5393 if(gameInfo.variant == VariantMakruk) pawnRow = 2;
5395 /* User pieceToChar list overrules defaults */
5396 if(appData.pieceToCharTable != NULL)
5397 SetCharTable(pieceToChar, appData.pieceToCharTable);
5399 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5401 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5402 s = (ChessSquare) 0; /* account holding counts in guard band */
5403 for( i=0; i<BOARD_HEIGHT; i++ )
5404 initialPosition[i][j] = s;
5406 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5407 initialPosition[0][j] = pieces[0][j-gameInfo.holdingsWidth];
5408 initialPosition[pawnRow][j] = WhitePawn;
5409 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = BlackPawn;
5410 if(gameInfo.variant == VariantXiangqi) {
5412 initialPosition[pawnRow][j] =
5413 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5414 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5415 initialPosition[2][j] = WhiteCannon;
5416 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5420 initialPosition[BOARD_HEIGHT-1][j] = pieces[1][j-gameInfo.holdingsWidth];
5422 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5425 initialPosition[1][j] = WhiteBishop;
5426 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5428 initialPosition[1][j] = WhiteRook;
5429 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5432 if( nrCastlingRights == -1) {
5433 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5434 /* This sets default castling rights from none to normal corners */
5435 /* Variants with other castling rights must set them themselves above */
5436 nrCastlingRights = 6;
5438 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5439 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5440 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5441 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5442 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5443 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5446 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5447 if(gameInfo.variant == VariantGreat) { // promotion commoners
5448 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5449 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5450 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5451 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5453 if (appData.debugMode) {
5454 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5456 if(shuffleOpenings) {
5457 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5458 startedFromSetupPosition = TRUE;
5460 if(startedFromPositionFile) {
5461 /* [HGM] loadPos: use PositionFile for every new game */
5462 CopyBoard(initialPosition, filePosition);
5463 for(i=0; i<nrCastlingRights; i++)
5464 initialRights[i] = filePosition[CASTLING][i];
5465 startedFromSetupPosition = TRUE;
5468 CopyBoard(boards[0], initialPosition);
5470 if(oldx != gameInfo.boardWidth ||
5471 oldy != gameInfo.boardHeight ||
5472 oldh != gameInfo.holdingsWidth
5474 || oldv == VariantGothic || // For licensing popups
5475 gameInfo.variant == VariantGothic
5478 || oldv == VariantFalcon ||
5479 gameInfo.variant == VariantFalcon
5482 InitDrawingSizes(-2 ,0);
5485 DrawPosition(TRUE, boards[currentMove]);
5489 SendBoard(cps, moveNum)
5490 ChessProgramState *cps;
5493 char message[MSG_SIZ];
5495 if (cps->useSetboard) {
5496 char* fen = PositionToFEN(moveNum, cps->fenOverride);
5497 sprintf(message, "setboard %s\n", fen);
5498 SendToProgram(message, cps);
5504 /* Kludge to set black to move, avoiding the troublesome and now
5505 * deprecated "black" command.
5507 if (!WhiteOnMove(moveNum)) SendToProgram("a2a3\n", cps);
5509 SendToProgram("edit\n", cps);
5510 SendToProgram("#\n", cps);
5511 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5512 bp = &boards[moveNum][i][BOARD_LEFT];
5513 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5514 if ((int) *bp < (int) BlackPawn) {
5515 sprintf(message, "%c%c%c\n", PieceToChar(*bp),
5517 if(message[0] == '+' || message[0] == '~') {
5518 sprintf(message, "%c%c%c+\n",
5519 PieceToChar((ChessSquare)(DEMOTED *bp)),
5522 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5523 message[1] = BOARD_RGHT - 1 - j + '1';
5524 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5526 SendToProgram(message, cps);
5531 SendToProgram("c\n", cps);
5532 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5533 bp = &boards[moveNum][i][BOARD_LEFT];
5534 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5535 if (((int) *bp != (int) EmptySquare)
5536 && ((int) *bp >= (int) BlackPawn)) {
5537 sprintf(message, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
5539 if(message[0] == '+' || message[0] == '~') {
5540 sprintf(message, "%c%c%c+\n",
5541 PieceToChar((ChessSquare)(DEMOTED *bp)),
5544 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5545 message[1] = BOARD_RGHT - 1 - j + '1';
5546 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5548 SendToProgram(message, cps);
5553 SendToProgram(".\n", cps);
5555 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
5558 static int autoQueen; // [HGM] oneclick
5561 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice)
5563 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
5564 /* [HGM] add Shogi promotions */
5565 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
5570 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
5571 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
5573 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
5574 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
5577 piece = boards[currentMove][fromY][fromX];
5578 if(gameInfo.variant == VariantShogi) {
5579 promotionZoneSize = 3;
5580 highestPromotingPiece = (int)WhiteFerz;
5581 } else if(gameInfo.variant == VariantMakruk) {
5582 promotionZoneSize = 3;
5585 // next weed out all moves that do not touch the promotion zone at all
5586 if((int)piece >= BlackPawn) {
5587 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
5589 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
5591 if( toY < BOARD_HEIGHT - promotionZoneSize &&
5592 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
5595 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
5597 // weed out mandatory Shogi promotions
5598 if(gameInfo.variant == VariantShogi) {
5599 if(piece >= BlackPawn) {
5600 if(toY == 0 && piece == BlackPawn ||
5601 toY == 0 && piece == BlackQueen ||
5602 toY <= 1 && piece == BlackKnight) {
5607 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
5608 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
5609 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
5616 // weed out obviously illegal Pawn moves
5617 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
5618 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
5619 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
5620 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
5621 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
5622 // note we are not allowed to test for valid (non-)capture, due to premove
5625 // we either have a choice what to promote to, or (in Shogi) whether to promote
5626 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
5627 *promoChoice = PieceToChar(BlackFerz); // no choice
5630 if(autoQueen) { // predetermined
5631 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantLosers)
5632 *promoChoice = PieceToChar(BlackKing); // in Suicide Q is the last thing we want
5633 else *promoChoice = PieceToChar(BlackQueen);
5637 // suppress promotion popup on illegal moves that are not premoves
5638 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
5639 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
5640 if(appData.testLegality && !premove) {
5641 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5642 fromY, fromX, toY, toX, NULLCHAR);
5643 if(moveType != WhitePromotionQueen && moveType != BlackPromotionQueen &&
5644 moveType != WhitePromotionKnight && moveType != BlackPromotionKnight)
5652 InPalace(row, column)
5654 { /* [HGM] for Xiangqi */
5655 if( (row < 3 || row > BOARD_HEIGHT-4) &&
5656 column < (BOARD_WIDTH + 4)/2 &&
5657 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
5662 PieceForSquare (x, y)
5666 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
5669 return boards[currentMove][y][x];
5673 OKToStartUserMove(x, y)
5676 ChessSquare from_piece;
5679 if (matchMode) return FALSE;
5680 if (gameMode == EditPosition) return TRUE;
5682 if (x >= 0 && y >= 0)
5683 from_piece = boards[currentMove][y][x];
5685 from_piece = EmptySquare;
5687 if (from_piece == EmptySquare) return FALSE;
5689 white_piece = (int)from_piece >= (int)WhitePawn &&
5690 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
5693 case PlayFromGameFile:
5695 case TwoMachinesPlay:
5703 case MachinePlaysWhite:
5704 case IcsPlayingBlack:
5705 if (appData.zippyPlay) return FALSE;
5707 DisplayMoveError(_("You are playing Black"));
5712 case MachinePlaysBlack:
5713 case IcsPlayingWhite:
5714 if (appData.zippyPlay) return FALSE;
5716 DisplayMoveError(_("You are playing White"));
5722 if (!white_piece && WhiteOnMove(currentMove)) {
5723 DisplayMoveError(_("It is White's turn"));
5726 if (white_piece && !WhiteOnMove(currentMove)) {
5727 DisplayMoveError(_("It is Black's turn"));
5730 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
5731 /* Editing correspondence game history */
5732 /* Could disallow this or prompt for confirmation */
5737 case BeginningOfGame:
5738 if (appData.icsActive) return FALSE;
5739 if (!appData.noChessProgram) {
5741 DisplayMoveError(_("You are playing White"));
5748 if (!white_piece && WhiteOnMove(currentMove)) {
5749 DisplayMoveError(_("It is White's turn"));
5752 if (white_piece && !WhiteOnMove(currentMove)) {
5753 DisplayMoveError(_("It is Black's turn"));
5762 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
5763 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
5764 && gameMode != AnalyzeFile && gameMode != Training) {
5765 DisplayMoveError(_("Displayed position is not current"));
5772 OnlyMove(int *x, int *y, Boolean captures) {
5773 DisambiguateClosure cl;
5774 if (appData.zippyPlay) return FALSE;
5776 case MachinePlaysBlack:
5777 case IcsPlayingWhite:
5778 case BeginningOfGame:
5779 if(!WhiteOnMove(currentMove)) return FALSE;
5781 case MachinePlaysWhite:
5782 case IcsPlayingBlack:
5783 if(WhiteOnMove(currentMove)) return FALSE;
5788 cl.pieceIn = EmptySquare;
5793 cl.promoCharIn = NULLCHAR;
5794 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5795 if( cl.kind == NormalMove ||
5796 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5797 cl.kind == WhitePromotionQueen || cl.kind == BlackPromotionQueen ||
5798 cl.kind == WhitePromotionKnight || cl.kind == BlackPromotionKnight ||
5799 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5806 if(cl.kind != ImpossibleMove) return FALSE;
5807 cl.pieceIn = EmptySquare;
5812 cl.promoCharIn = NULLCHAR;
5813 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5814 if( cl.kind == NormalMove ||
5815 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5816 cl.kind == WhitePromotionQueen || cl.kind == BlackPromotionQueen ||
5817 cl.kind == WhitePromotionKnight || cl.kind == BlackPromotionKnight ||
5818 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5823 autoQueen = TRUE; // act as if autoQueen on when we click to-square
5829 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
5830 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
5831 int lastLoadGameUseList = FALSE;
5832 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
5833 ChessMove lastLoadGameStart = (ChessMove) 0;
5836 UserMoveTest(fromX, fromY, toX, toY, promoChar, captureOwn)
5837 int fromX, fromY, toX, toY;
5842 ChessSquare pdown, pup;
5844 /* Check if the user is playing in turn. This is complicated because we
5845 let the user "pick up" a piece before it is his turn. So the piece he
5846 tried to pick up may have been captured by the time he puts it down!
5847 Therefore we use the color the user is supposed to be playing in this
5848 test, not the color of the piece that is currently on the starting
5849 square---except in EditGame mode, where the user is playing both
5850 sides; fortunately there the capture race can't happen. (It can
5851 now happen in IcsExamining mode, but that's just too bad. The user
5852 will get a somewhat confusing message in that case.)
5856 case PlayFromGameFile:
5858 case TwoMachinesPlay:
5862 /* We switched into a game mode where moves are not accepted,
5863 perhaps while the mouse button was down. */
5864 return ImpossibleMove;
5866 case MachinePlaysWhite:
5867 /* User is moving for Black */
5868 if (WhiteOnMove(currentMove)) {
5869 DisplayMoveError(_("It is White's turn"));
5870 return ImpossibleMove;
5874 case MachinePlaysBlack:
5875 /* User is moving for White */
5876 if (!WhiteOnMove(currentMove)) {
5877 DisplayMoveError(_("It is Black's turn"));
5878 return ImpossibleMove;
5884 case BeginningOfGame:
5887 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
5888 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
5889 /* User is moving for Black */
5890 if (WhiteOnMove(currentMove)) {
5891 DisplayMoveError(_("It is White's turn"));
5892 return ImpossibleMove;
5895 /* User is moving for White */
5896 if (!WhiteOnMove(currentMove)) {
5897 DisplayMoveError(_("It is Black's turn"));
5898 return ImpossibleMove;
5903 case IcsPlayingBlack:
5904 /* User is moving for Black */
5905 if (WhiteOnMove(currentMove)) {
5906 if (!appData.premove) {
5907 DisplayMoveError(_("It is White's turn"));
5908 } else if (toX >= 0 && toY >= 0) {
5911 premoveFromX = fromX;
5912 premoveFromY = fromY;
5913 premovePromoChar = promoChar;
5915 if (appData.debugMode)
5916 fprintf(debugFP, "Got premove: fromX %d,"
5917 "fromY %d, toX %d, toY %d\n",
5918 fromX, fromY, toX, toY);
5920 return ImpossibleMove;
5924 case IcsPlayingWhite:
5925 /* User is moving for White */
5926 if (!WhiteOnMove(currentMove)) {
5927 if (!appData.premove) {
5928 DisplayMoveError(_("It is Black's turn"));
5929 } else if (toX >= 0 && toY >= 0) {
5932 premoveFromX = fromX;
5933 premoveFromY = fromY;
5934 premovePromoChar = promoChar;
5936 if (appData.debugMode)
5937 fprintf(debugFP, "Got premove: fromX %d,"
5938 "fromY %d, toX %d, toY %d\n",
5939 fromX, fromY, toX, toY);
5941 return ImpossibleMove;
5949 /* EditPosition, empty square, or different color piece;
5950 click-click move is possible */
5951 if (toX == -2 || toY == -2) {
5952 boards[0][fromY][fromX] = EmptySquare;
5953 return AmbiguousMove;
5954 } else if (toX >= 0 && toY >= 0) {
5955 boards[0][toY][toX] = boards[0][fromY][fromX];
5956 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
5957 if(boards[0][fromY][0] != EmptySquare) {
5958 if(boards[0][fromY][1]) boards[0][fromY][1]--;
5959 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
5962 if(fromX == BOARD_RGHT+1) {
5963 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
5964 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
5965 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
5968 boards[0][fromY][fromX] = EmptySquare;
5969 return AmbiguousMove;
5971 return ImpossibleMove;
5974 if(toX < 0 || toY < 0) return ImpossibleMove;
5975 pdown = boards[currentMove][fromY][fromX];
5976 pup = boards[currentMove][toY][toX];
5978 /* [HGM] If move started in holdings, it means a drop */
5979 if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) {
5980 if( pup != EmptySquare ) return ImpossibleMove;
5981 if(appData.testLegality) {
5982 /* it would be more logical if LegalityTest() also figured out
5983 * which drops are legal. For now we forbid pawns on back rank.
5984 * Shogi is on its own here...
5986 if( (pdown == WhitePawn || pdown == BlackPawn) &&
5987 (toY == 0 || toY == BOARD_HEIGHT -1 ) )
5988 return(ImpossibleMove); /* no pawn drops on 1st/8th */
5990 return WhiteDrop; /* Not needed to specify white or black yet */
5993 /* [HGM] always test for legality, to get promotion info */
5994 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5995 fromY, fromX, toY, toX, promoChar);
5996 /* [HGM] but possibly ignore an IllegalMove result */
5997 if (appData.testLegality) {
5998 if (moveType == IllegalMove || moveType == ImpossibleMove) {
5999 DisplayMoveError(_("Illegal move"));
6000 return ImpossibleMove;
6005 /* [HGM] <popupFix> in stead of calling FinishMove directly, this
6006 function is made into one that returns an OK move type if FinishMove
6007 should be called. This to give the calling driver routine the
6008 opportunity to finish the userMove input with a promotion popup,
6009 without bothering the user with this for invalid or illegal moves */
6011 /* FinishMove(moveType, fromX, fromY, toX, toY, promoChar); */
6014 /* Common tail of UserMoveEvent and DropMenuEvent */
6016 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
6018 int fromX, fromY, toX, toY;
6019 /*char*/int promoChar;
6023 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR) {
6024 // [HGM] superchess: suppress promotions to non-available piece
6025 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6026 if(WhiteOnMove(currentMove)) {
6027 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6029 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6033 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6034 move type in caller when we know the move is a legal promotion */
6035 if(moveType == NormalMove && promoChar)
6036 moveType = PromoCharToMoveType(WhiteOnMove(currentMove), promoChar);
6038 /* [HGM] convert drag-and-drop piece drops to standard form */
6039 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ){
6040 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6041 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6042 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6043 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6044 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6045 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6046 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6050 /* [HGM] <popupFix> The following if has been moved here from
6051 UserMoveEvent(). Because it seemed to belong here (why not allow
6052 piece drops in training games?), and because it can only be
6053 performed after it is known to what we promote. */
6054 if (gameMode == Training) {
6055 /* compare the move played on the board to the next move in the
6056 * game. If they match, display the move and the opponent's response.
6057 * If they don't match, display an error message.
6061 CopyBoard(testBoard, boards[currentMove]);
6062 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6064 if (CompareBoards(testBoard, boards[currentMove+1])) {
6065 ForwardInner(currentMove+1);
6067 /* Autoplay the opponent's response.
6068 * if appData.animate was TRUE when Training mode was entered,
6069 * the response will be animated.
6071 saveAnimate = appData.animate;
6072 appData.animate = animateTraining;
6073 ForwardInner(currentMove+1);
6074 appData.animate = saveAnimate;
6076 /* check for the end of the game */
6077 if (currentMove >= forwardMostMove) {
6078 gameMode = PlayFromGameFile;
6080 SetTrainingModeOff();
6081 DisplayInformation(_("End of game"));
6084 DisplayError(_("Incorrect move"), 0);
6089 /* Ok, now we know that the move is good, so we can kill
6090 the previous line in Analysis Mode */
6091 if ((gameMode == AnalyzeMode || gameMode == EditGame)
6092 && currentMove < forwardMostMove) {
6093 PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6096 /* If we need the chess program but it's dead, restart it */
6097 ResurrectChessProgram();
6099 /* A user move restarts a paused game*/
6103 thinkOutput[0] = NULLCHAR;
6105 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6107 if(Adjudicate(NULL)) return 1; // [HGM] adjudicate: take care of automtic game end
6109 if (gameMode == BeginningOfGame) {
6110 if (appData.noChessProgram) {
6111 gameMode = EditGame;
6115 gameMode = MachinePlaysBlack;
6118 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
6120 if (first.sendName) {
6121 sprintf(buf, "name %s\n", gameInfo.white);
6122 SendToProgram(buf, &first);
6129 /* Relay move to ICS or chess engine */
6130 if (appData.icsActive) {
6131 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6132 gameMode == IcsExamining) {
6133 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6134 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6136 SendMoveToICS(moveType, fromX, fromY, toX, toY);
6138 // also send plain move, in case ICS does not understand atomic claims
6139 SendMoveToICS(moveType, fromX, fromY, toX, toY);
6143 if (first.sendTime && (gameMode == BeginningOfGame ||
6144 gameMode == MachinePlaysWhite ||
6145 gameMode == MachinePlaysBlack)) {
6146 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6148 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6149 // [HGM] book: if program might be playing, let it use book
6150 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6151 first.maybeThinking = TRUE;
6152 } else SendMoveToProgram(forwardMostMove-1, &first);
6153 if (currentMove == cmailOldMove + 1) {
6154 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6158 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6162 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6168 if (WhiteOnMove(currentMove)) {
6169 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6171 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6175 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6180 case MachinePlaysBlack:
6181 case MachinePlaysWhite:
6182 /* disable certain menu options while machine is thinking */
6183 SetMachineThinkingEnables();
6190 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6192 if(bookHit) { // [HGM] book: simulate book reply
6193 static char bookMove[MSG_SIZ]; // a bit generous?
6195 programStats.nodes = programStats.depth = programStats.time =
6196 programStats.score = programStats.got_only_move = 0;
6197 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6199 strcpy(bookMove, "move ");
6200 strcat(bookMove, bookHit);
6201 HandleMachineMove(bookMove, &first);
6207 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
6208 int fromX, fromY, toX, toY;
6211 /* [HGM] This routine was added to allow calling of its two logical
6212 parts from other modules in the old way. Before, UserMoveEvent()
6213 automatically called FinishMove() if the move was OK, and returned
6214 otherwise. I separated the two, in order to make it possible to
6215 slip a promotion popup in between. But that it always needs two
6216 calls, to the first part, (now called UserMoveTest() ), and to
6217 FinishMove if the first part succeeded. Calls that do not need
6218 to do anything in between, can call this routine the old way.
6220 ChessMove moveType = UserMoveTest(fromX, fromY, toX, toY, promoChar, FALSE);
6221 if(appData.debugMode) fprintf(debugFP, "moveType 4 = %d, promochar = %x\n", moveType, promoChar);
6222 if(moveType == AmbiguousMove)
6223 DrawPosition(FALSE, boards[currentMove]);
6224 else if(moveType != ImpossibleMove && moveType != Comment)
6225 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6229 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6236 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6237 Markers *m = (Markers *) closure;
6238 if(rf == fromY && ff == fromX)
6239 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6240 || kind == WhiteCapturesEnPassant
6241 || kind == BlackCapturesEnPassant);
6242 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6246 MarkTargetSquares(int clear)
6249 if(!appData.markers || !appData.highlightDragging ||
6250 !appData.testLegality || gameMode == EditPosition) return;
6252 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6255 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker);
6256 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6257 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6259 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6262 DrawPosition(TRUE, NULL);
6265 void LeftClick(ClickType clickType, int xPix, int yPix)
6268 Boolean saveAnimate;
6269 static int second = 0, promotionChoice = 0, dragging = 0;
6270 char promoChoice = NULLCHAR;
6272 if(appData.seekGraph && appData.icsActive && loggedOn &&
6273 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6274 SeekGraphClick(clickType, xPix, yPix, 0);
6278 if (clickType == Press) ErrorPopDown();
6279 MarkTargetSquares(1);
6281 x = EventToSquare(xPix, BOARD_WIDTH);
6282 y = EventToSquare(yPix, BOARD_HEIGHT);
6283 if (!flipView && y >= 0) {
6284 y = BOARD_HEIGHT - 1 - y;
6286 if (flipView && x >= 0) {
6287 x = BOARD_WIDTH - 1 - x;
6290 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6291 if(clickType == Release) return; // ignore upclick of click-click destination
6292 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6293 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6294 if(gameInfo.holdingsWidth &&
6295 (WhiteOnMove(currentMove)
6296 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y > 0
6297 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT-1) ) {
6298 // click in right holdings, for determining promotion piece
6299 ChessSquare p = boards[currentMove][y][x];
6300 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6301 if(p != EmptySquare) {
6302 FinishMove(NormalMove, fromX, fromY, toX, toY, ToLower(PieceToChar(p)));
6307 DrawPosition(FALSE, boards[currentMove]);
6311 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6312 if(clickType == Press
6313 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6314 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6315 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6318 autoQueen = appData.alwaysPromoteToQueen;
6321 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE)) {
6322 if (clickType == Press) {
6324 if (OKToStartUserMove(x, y)) {
6328 MarkTargetSquares(0);
6329 DragPieceBegin(xPix, yPix); dragging = 1;
6330 if (appData.highlightDragging) {
6331 SetHighlights(x, y, -1, -1);
6334 } else if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6335 DragPieceEnd(xPix, yPix); dragging = 0;
6336 DrawPosition(FALSE, NULL);
6343 if (clickType == Press && gameMode != EditPosition) {
6348 // ignore off-board to clicks
6349 if(y < 0 || x < 0) return;
6351 /* Check if clicking again on the same color piece */
6352 fromP = boards[currentMove][fromY][fromX];
6353 toP = boards[currentMove][y][x];
6354 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom;
6355 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6356 WhitePawn <= toP && toP <= WhiteKing &&
6357 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6358 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6359 (BlackPawn <= fromP && fromP <= BlackKing &&
6360 BlackPawn <= toP && toP <= BlackKing &&
6361 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6362 !(fromP == BlackKing && toP == BlackRook && frc))) {
6363 /* Clicked again on same color piece -- changed his mind */
6364 second = (x == fromX && y == fromY);
6365 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6366 if (appData.highlightDragging) {
6367 SetHighlights(x, y, -1, -1);
6371 if (OKToStartUserMove(x, y)) {
6373 fromY = y; dragging = 1;
6374 MarkTargetSquares(0);
6375 DragPieceBegin(xPix, yPix);
6380 // ignore clicks on holdings
6381 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6384 if (clickType == Release && x == fromX && y == fromY) {
6385 DragPieceEnd(xPix, yPix); dragging = 0;
6386 if (appData.animateDragging) {
6387 /* Undo animation damage if any */
6388 DrawPosition(FALSE, NULL);
6391 /* Second up/down in same square; just abort move */
6396 ClearPremoveHighlights();
6398 /* First upclick in same square; start click-click mode */
6399 SetHighlights(x, y, -1, -1);
6404 /* we now have a different from- and (possibly off-board) to-square */
6405 /* Completed move */
6408 saveAnimate = appData.animate;
6409 if (clickType == Press) {
6410 /* Finish clickclick move */
6411 if (appData.animate || appData.highlightLastMove) {
6412 SetHighlights(fromX, fromY, toX, toY);
6417 /* Finish drag move */
6418 if (appData.highlightLastMove) {
6419 SetHighlights(fromX, fromY, toX, toY);
6423 DragPieceEnd(xPix, yPix); dragging = 0;
6424 /* Don't animate move and drag both */
6425 appData.animate = FALSE;
6428 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
6429 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
6430 ChessSquare piece = boards[currentMove][fromY][fromX];
6431 if(gameMode == EditPosition && piece != EmptySquare &&
6432 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
6435 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
6436 n = PieceToNumber(piece - (int)BlackPawn);
6437 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
6438 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
6439 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
6441 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
6442 n = PieceToNumber(piece);
6443 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
6444 boards[currentMove][n][BOARD_WIDTH-1] = piece;
6445 boards[currentMove][n][BOARD_WIDTH-2]++;
6447 boards[currentMove][fromY][fromX] = EmptySquare;
6451 DrawPosition(TRUE, boards[currentMove]);
6455 // off-board moves should not be highlighted
6456 if(x < 0 || x < 0) ClearHighlights();
6458 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
6459 SetHighlights(fromX, fromY, toX, toY);
6460 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6461 // [HGM] super: promotion to captured piece selected from holdings
6462 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
6463 promotionChoice = TRUE;
6464 // kludge follows to temporarily execute move on display, without promoting yet
6465 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
6466 boards[currentMove][toY][toX] = p;
6467 DrawPosition(FALSE, boards[currentMove]);
6468 boards[currentMove][fromY][fromX] = p; // take back, but display stays
6469 boards[currentMove][toY][toX] = q;
6470 DisplayMessage("Click in holdings to choose piece", "");
6475 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
6476 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
6477 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
6480 appData.animate = saveAnimate;
6481 if (appData.animate || appData.animateDragging) {
6482 /* Undo animation damage if needed */
6483 DrawPosition(FALSE, NULL);
6487 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
6488 { // front-end-free part taken out of PieceMenuPopup
6489 int whichMenu; int xSqr, ySqr;
6491 if(seekGraphUp) { // [HGM] seekgraph
6492 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
6493 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
6497 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
6498 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
6499 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
6500 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
6501 if(action == Press) {
6502 originalFlip = flipView;
6503 flipView = !flipView; // temporarily flip board to see game from partners perspective
6504 DrawPosition(TRUE, partnerBoard);
6505 DisplayMessage(partnerStatus, "");
6507 } else if(action == Release) {
6508 flipView = originalFlip;
6509 DrawPosition(TRUE, boards[currentMove]);
6515 xSqr = EventToSquare(x, BOARD_WIDTH);
6516 ySqr = EventToSquare(y, BOARD_HEIGHT);
6517 if (action == Release) UnLoadPV(); // [HGM] pv
6518 if (action != Press) return -2; // return code to be ignored
6521 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
\r
6523 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
\r
6524 if (xSqr < 0 || ySqr < 0) return -1;
\r
6525 whichMenu = 0; // edit-position menu
6528 if(!appData.icsEngineAnalyze) return -1;
6529 case IcsPlayingWhite:
6530 case IcsPlayingBlack:
6531 if(!appData.zippyPlay) goto noZip;
6534 case MachinePlaysWhite:
6535 case MachinePlaysBlack:
6536 case TwoMachinesPlay: // [HGM] pv: use for showing PV
6537 if (!appData.dropMenu) {
6539 return 2; // flag front-end to grab mouse events
6541 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
6542 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
6545 if (xSqr < 0 || ySqr < 0) return -1;
6546 if (!appData.dropMenu || appData.testLegality &&
6547 gameInfo.variant != VariantBughouse &&
6548 gameInfo.variant != VariantCrazyhouse) return -1;
6549 whichMenu = 1; // drop menu
6555 if (((*fromX = xSqr) < 0) ||
6556 ((*fromY = ySqr) < 0)) {
6557 *fromX = *fromY = -1;
6561 *fromX = BOARD_WIDTH - 1 - *fromX;
6563 *fromY = BOARD_HEIGHT - 1 - *fromY;
6568 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
6570 // char * hint = lastHint;
6571 FrontEndProgramStats stats;
6573 stats.which = cps == &first ? 0 : 1;
6574 stats.depth = cpstats->depth;
6575 stats.nodes = cpstats->nodes;
6576 stats.score = cpstats->score;
6577 stats.time = cpstats->time;
6578 stats.pv = cpstats->movelist;
6579 stats.hint = lastHint;
6580 stats.an_move_index = 0;
6581 stats.an_move_count = 0;
6583 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
6584 stats.hint = cpstats->move_name;
6585 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
6586 stats.an_move_count = cpstats->nr_moves;
6589 if(stats.pv && stats.pv[0]) strcpy(lastPV[stats.which], stats.pv); // [HGM] pv: remember last PV of each
6591 SetProgramStats( &stats );
6595 Count(Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
6596 { // count all piece types
6598 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
6599 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
6600 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
6602 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
6603 if(p == BlackPawn && r == 0) (*bStale)++; else pCnt[p]++; // count last-Rank Pawns (XQ) separately
6604 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
6605 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
6606 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
6607 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
6612 MatingPotential(int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
6614 VariantClass v = gameInfo.variant;
6616 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
6617 if(v == VariantShatranj) return TRUE; // always winnable through baring
6618 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
6619 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
6621 if(v == VariantXiangqi) {
6622 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
6624 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
6625 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
6626 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
6627 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
6628 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
6629 if(stale) // we have at least one last-rank P plus perhaps C
6630 return majors // KPKX
6631 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
6633 return pCnt[WhiteFerz+side] // KCAK
6634 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
6635 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
6636 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
6638 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
6639 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
6641 if(nMine == 1) return FALSE; // bare King
6642 if(nBishops && bisColor == 3) return TRUE; // There must be a second B/A/F, which can either block (his) or attack (mine) the escape square
6643 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
6644 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
6645 // by now we have King + 1 piece (or multiple Bishops on the same color)
6646 if(pCnt[WhiteKnight+side])
6647 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
6648 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
6649 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
6651 return (pCnt[BlackKnight-side]); // KBKN, KFKN
6652 if(pCnt[WhiteAlfil+side])
6653 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
6654 if(pCnt[WhiteWazir+side])
6655 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
6662 Adjudicate(ChessProgramState *cps)
6663 { // [HGM] some adjudications useful with buggy engines
6664 // [HGM] adjudicate: made into separate routine, which now can be called after every move
6665 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
6666 // Actually ending the game is now based on the additional internal condition canAdjudicate.
6667 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
6668 int k, count = 0; static int bare = 1;
6669 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
6670 Boolean canAdjudicate = !appData.icsActive;
6672 // most tests only when we understand the game, i.e. legality-checking on, and (for the time being) no piece drops
6673 if(gameInfo.holdingsSize == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6674 if( appData.testLegality )
6675 { /* [HGM] Some more adjudications for obstinate engines */
6676 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
6677 static int moveCount = 6;
6679 char *reason = NULL;
6681 /* Count what is on board. */
6682 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
6684 /* Some material-based adjudications that have to be made before stalemate test */
6685 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
6686 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
6687 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
6688 if(canAdjudicate && appData.checkMates) {
6690 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6691 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6692 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
6693 "Xboard adjudication: King destroyed", GE_XBOARD );
6698 /* Bare King in Shatranj (loses) or Losers (wins) */
6699 if( nrW == 1 || nrB == 1) {
6700 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
6701 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
6702 if(canAdjudicate && appData.checkMates) {
6704 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
6705 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6706 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6707 "Xboard adjudication: Bare king", GE_XBOARD );
6711 if( gameInfo.variant == VariantShatranj && --bare < 0)
6713 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
6714 if(canAdjudicate && appData.checkMates) {
6715 /* but only adjudicate if adjudication enabled */
6717 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6718 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6719 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
6720 "Xboard adjudication: Bare king", GE_XBOARD );
6727 // don't wait for engine to announce game end if we can judge ourselves
6728 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
6730 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
6731 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
6732 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
6733 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
6736 reason = "Xboard adjudication: 3rd check";
6737 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
6747 reason = "Xboard adjudication: Stalemate";
6748 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
6749 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
6750 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
6751 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
6752 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
6753 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
6754 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
6755 EP_CHECKMATE : EP_WINS);
6756 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
6757 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
6761 reason = "Xboard adjudication: Checkmate";
6762 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
6766 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
6768 result = GameIsDrawn; break;
6770 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
6772 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
6774 result = (ChessMove) 0;
6776 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
6778 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6779 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6780 GameEnds( result, reason, GE_XBOARD );
6784 /* Next absolutely insufficient mating material. */
6785 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
6786 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
6787 { /* includes KBK, KNK, KK of KBKB with like Bishops */
6789 /* always flag draws, for judging claims */
6790 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
6792 if(canAdjudicate && appData.materialDraws) {
6793 /* but only adjudicate them if adjudication enabled */
6794 if(engineOpponent) {
6795 SendToProgram("force\n", engineOpponent); // suppress reply
6796 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
6798 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6799 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
6804 /* Then some trivial draws (only adjudicate, cannot be claimed) */
6805 if(nrW + nrB == 4 &&
6806 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
6807 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
6808 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
6809 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
6811 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
6812 { /* if the first 3 moves do not show a tactical win, declare draw */
6813 if(engineOpponent) {
6814 SendToProgram("force\n", engineOpponent); // suppress reply
6815 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6817 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6818 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
6821 } else moveCount = 6;
6825 if (appData.debugMode) { int i;
6826 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
6827 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
6828 appData.drawRepeats);
6829 for( i=forwardMostMove; i>=backwardMostMove; i-- )
6830 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
6834 // Repetition draws and 50-move rule can be applied independently of legality testing
6836 /* Check for rep-draws */
6838 for(k = forwardMostMove-2;
6839 k>=backwardMostMove && k>=forwardMostMove-100 &&
6840 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
6841 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
6844 if(CompareBoards(boards[k], boards[forwardMostMove])) {
6845 /* compare castling rights */
6846 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
6847 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
6848 rights++; /* King lost rights, while rook still had them */
6849 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
6850 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
6851 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
6852 rights++; /* but at least one rook lost them */
6854 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
6855 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
6857 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
6858 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
6859 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
6862 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
6863 && appData.drawRepeats > 1) {
6864 /* adjudicate after user-specified nr of repeats */
6865 int result = GameIsDrawn;
6866 char *details = "XBoard adjudication: repetition draw";
6867 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
6868 // [HGM] xiangqi: check for forbidden perpetuals
6869 int m, ourPerpetual = 1, hisPerpetual = 1;
6870 for(m=forwardMostMove; m>k; m-=2) {
6871 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
6872 ourPerpetual = 0; // the current mover did not always check
6873 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
6874 hisPerpetual = 0; // the opponent did not always check
6876 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
6877 ourPerpetual, hisPerpetual);
6878 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
6879 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
6880 details = "Xboard adjudication: perpetual checking";
6882 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
6883 break; // (or we would have caught him before). Abort repetition-checking loop.
6885 // Now check for perpetual chases
6886 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
6887 hisPerpetual = PerpetualChase(k, forwardMostMove);
6888 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
6889 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
6890 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
6891 details = "Xboard adjudication: perpetual chasing";
6893 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
6894 break; // Abort repetition-checking loop.
6896 // if neither of us is checking or chasing all the time, or both are, it is draw
6898 if(engineOpponent) {
6899 SendToProgram("force\n", engineOpponent); // suppress reply
6900 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6902 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6903 GameEnds( result, details, GE_XBOARD );
6906 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
6907 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
6911 /* Now we test for 50-move draws. Determine ply count */
6912 count = forwardMostMove;
6913 /* look for last irreversble move */
6914 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
6916 /* if we hit starting position, add initial plies */
6917 if( count == backwardMostMove )
6918 count -= initialRulePlies;
6919 count = forwardMostMove - count;
6920 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
6921 // adjust reversible move counter for checks in Xiangqi
6922 int i = forwardMostMove - count, inCheck = 0, lastCheck;
6923 if(i < backwardMostMove) i = backwardMostMove;
6924 while(i <= forwardMostMove) {
6925 lastCheck = inCheck; // check evasion does not count
6926 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
6927 if(inCheck || lastCheck) count--; // check does not count
6932 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
6933 /* this is used to judge if draw claims are legal */
6934 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
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: 50-move rule", GE_XBOARD );
6944 /* if draw offer is pending, treat it as a draw claim
6945 * when draw condition present, to allow engines a way to
6946 * claim draws before making their move to avoid a race
6947 * condition occurring after their move
6949 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
6951 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
6952 p = "Draw claim: 50-move rule";
6953 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
6954 p = "Draw claim: 3-fold repetition";
6955 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
6956 p = "Draw claim: insufficient mating material";
6957 if( p != NULL && canAdjudicate) {
6958 if(engineOpponent) {
6959 SendToProgram("force\n", engineOpponent); // suppress reply
6960 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6962 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6963 GameEnds( GameIsDrawn, p, GE_XBOARD );
6968 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
6969 if(engineOpponent) {
6970 SendToProgram("force\n", engineOpponent); // suppress reply
6971 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6973 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6974 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
6980 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
6981 { // [HGM] book: this routine intercepts moves to simulate book replies
6982 char *bookHit = NULL;
6984 //first determine if the incoming move brings opponent into his book
6985 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
6986 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
6987 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
6988 if(bookHit != NULL && !cps->bookSuspend) {
6989 // make sure opponent is not going to reply after receiving move to book position
6990 SendToProgram("force\n", cps);
6991 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
6993 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
6994 // now arrange restart after book miss
6996 // after a book hit we never send 'go', and the code after the call to this routine
6997 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
6999 sprintf(buf, "%s%s\n", (cps->useUsermove ? "usermove " : ""), bookHit); // force book move into program supposed to play it
7000 SendToProgram(buf, cps);
7001 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7002 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7003 SendToProgram("go\n", cps);
7004 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7005 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7006 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7007 SendToProgram("go\n", cps);
7008 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7010 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7014 ChessProgramState *savedState;
7015 void DeferredBookMove(void)
7017 if(savedState->lastPing != savedState->lastPong)
7018 ScheduleDelayedEvent(DeferredBookMove, 10);
7020 HandleMachineMove(savedMessage, savedState);
7024 HandleMachineMove(message, cps)
7026 ChessProgramState *cps;
7028 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7029 char realname[MSG_SIZ];
7030 int fromX, fromY, toX, toY;
7039 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7041 * Kludge to ignore BEL characters
7043 while (*message == '\007') message++;
7046 * [HGM] engine debug message: ignore lines starting with '#' character
7048 if(cps->debug && *message == '#') return;
7051 * Look for book output
7053 if (cps == &first && bookRequested) {
7054 if (message[0] == '\t' || message[0] == ' ') {
7055 /* Part of the book output is here; append it */
7056 strcat(bookOutput, message);
7057 strcat(bookOutput, " \n");
7059 } else if (bookOutput[0] != NULLCHAR) {
7060 /* All of book output has arrived; display it */
7061 char *p = bookOutput;
7062 while (*p != NULLCHAR) {
7063 if (*p == '\t') *p = ' ';
7066 DisplayInformation(bookOutput);
7067 bookRequested = FALSE;
7068 /* Fall through to parse the current output */
7073 * Look for machine move.
7075 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7076 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7078 /* This method is only useful on engines that support ping */
7079 if (cps->lastPing != cps->lastPong) {
7080 if (gameMode == BeginningOfGame) {
7081 /* Extra move from before last new; ignore */
7082 if (appData.debugMode) {
7083 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7086 if (appData.debugMode) {
7087 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7088 cps->which, gameMode);
7091 SendToProgram("undo\n", cps);
7097 case BeginningOfGame:
7098 /* Extra move from before last reset; ignore */
7099 if (appData.debugMode) {
7100 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7107 /* Extra move after we tried to stop. The mode test is
7108 not a reliable way of detecting this problem, but it's
7109 the best we can do on engines that don't support ping.
7111 if (appData.debugMode) {
7112 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7113 cps->which, gameMode);
7115 SendToProgram("undo\n", cps);
7118 case MachinePlaysWhite:
7119 case IcsPlayingWhite:
7120 machineWhite = TRUE;
7123 case MachinePlaysBlack:
7124 case IcsPlayingBlack:
7125 machineWhite = FALSE;
7128 case TwoMachinesPlay:
7129 machineWhite = (cps->twoMachinesColor[0] == 'w');
7132 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7133 if (appData.debugMode) {
7135 "Ignoring move out of turn by %s, gameMode %d"
7136 ", forwardMost %d\n",
7137 cps->which, gameMode, forwardMostMove);
7142 if (appData.debugMode) { int f = forwardMostMove;
7143 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7144 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7145 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7147 if(cps->alphaRank) AlphaRank(machineMove, 4);
7148 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7149 &fromX, &fromY, &toX, &toY, &promoChar)) {
7150 /* Machine move could not be parsed; ignore it. */
7151 sprintf(buf1, _("Illegal move \"%s\" from %s machine"),
7152 machineMove, cps->which);
7153 DisplayError(buf1, 0);
7154 sprintf(buf1, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7155 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7156 if (gameMode == TwoMachinesPlay) {
7157 GameEnds(machineWhite ? BlackWins : WhiteWins,
7163 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7164 /* So we have to redo legality test with true e.p. status here, */
7165 /* to make sure an illegal e.p. capture does not slip through, */
7166 /* to cause a forfeit on a justified illegal-move complaint */
7167 /* of the opponent. */
7168 if( gameMode==TwoMachinesPlay && appData.testLegality
7169 && fromY != DROP_RANK /* [HGM] temporary; should still add legality test for drops */
7172 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7173 fromY, fromX, toY, toX, promoChar);
7174 if (appData.debugMode) {
7176 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7177 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7178 fprintf(debugFP, "castling rights\n");
7180 if(moveType == IllegalMove) {
7181 sprintf(buf1, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7182 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7183 GameEnds(machineWhite ? BlackWins : WhiteWins,
7186 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7187 /* [HGM] Kludge to handle engines that send FRC-style castling
7188 when they shouldn't (like TSCP-Gothic) */
7190 case WhiteASideCastleFR:
7191 case BlackASideCastleFR:
7193 currentMoveString[2]++;
7195 case WhiteHSideCastleFR:
7196 case BlackHSideCastleFR:
7198 currentMoveString[2]--;
7200 default: ; // nothing to do, but suppresses warning of pedantic compilers
7203 hintRequested = FALSE;
7204 lastHint[0] = NULLCHAR;
7205 bookRequested = FALSE;
7206 /* Program may be pondering now */
7207 cps->maybeThinking = TRUE;
7208 if (cps->sendTime == 2) cps->sendTime = 1;
7209 if (cps->offeredDraw) cps->offeredDraw--;
7211 /* currentMoveString is set as a side-effect of ParseOneMove */
7212 strcpy(machineMove, currentMoveString);
7213 strcat(machineMove, "\n");
7214 strcpy(moveList[forwardMostMove], machineMove);
7216 /* [AS] Save move info*/
7217 pvInfoList[ forwardMostMove ].score = programStats.score;
7218 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7219 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7221 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7223 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7224 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7227 while( count < adjudicateLossPlies ) {
7228 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7231 score = -score; /* Flip score for winning side */
7234 if( score > adjudicateLossThreshold ) {
7241 if( count >= adjudicateLossPlies ) {
7242 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7244 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7245 "Xboard adjudication",
7252 if(Adjudicate(cps)) return; // [HGM] adjudicate: for all automatic game ends
7255 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7257 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7258 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7260 SendMoveToICS(moveType, fromX, fromY, toX, toY);
7262 SendMoveToICS(moveType, fromX, fromY, toX, toY);
7264 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
7265 char buf[3*MSG_SIZ];
7267 sprintf(buf, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
7268 programStats.score / 100.,
7270 programStats.time / 100.,
7271 (unsigned int)programStats.nodes,
7272 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
7273 programStats.movelist);
7275 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
7280 /* [AS] Clear stats for next move */
7281 ClearProgramStats();
7282 thinkOutput[0] = NULLCHAR;
7283 hiddenThinkOutputState = 0;
7286 if (gameMode == TwoMachinesPlay) {
7287 /* [HGM] relaying draw offers moved to after reception of move */
7288 /* and interpreting offer as claim if it brings draw condition */
7289 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
7290 SendToProgram("draw\n", cps->other);
7292 if (cps->other->sendTime) {
7293 SendTimeRemaining(cps->other,
7294 cps->other->twoMachinesColor[0] == 'w');
7296 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
7297 if (firstMove && !bookHit) {
7299 if (cps->other->useColors) {
7300 SendToProgram(cps->other->twoMachinesColor, cps->other);
7302 SendToProgram("go\n", cps->other);
7304 cps->other->maybeThinking = TRUE;
7307 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7309 if (!pausing && appData.ringBellAfterMoves) {
7314 * Reenable menu items that were disabled while
7315 * machine was thinking
7317 if (gameMode != TwoMachinesPlay)
7318 SetUserThinkingEnables();
7320 // [HGM] book: after book hit opponent has received move and is now in force mode
7321 // force the book reply into it, and then fake that it outputted this move by jumping
7322 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
7324 static char bookMove[MSG_SIZ]; // a bit generous?
7326 strcpy(bookMove, "move ");
7327 strcat(bookMove, bookHit);
7330 programStats.nodes = programStats.depth = programStats.time =
7331 programStats.score = programStats.got_only_move = 0;
7332 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7334 if(cps->lastPing != cps->lastPong) {
7335 savedMessage = message; // args for deferred call
7337 ScheduleDelayedEvent(DeferredBookMove, 10);
7346 /* Set special modes for chess engines. Later something general
7347 * could be added here; for now there is just one kludge feature,
7348 * needed because Crafty 15.10 and earlier don't ignore SIGINT
7349 * when "xboard" is given as an interactive command.
7351 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
7352 cps->useSigint = FALSE;
7353 cps->useSigterm = FALSE;
7355 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
7356 ParseFeatures(message+8, cps);
7357 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
7360 /* [HGM] Allow engine to set up a position. Don't ask me why one would
7361 * want this, I was asked to put it in, and obliged.
7363 if (!strncmp(message, "setboard ", 9)) {
7364 Board initial_position;
7366 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
7368 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
7369 DisplayError(_("Bad FEN received from engine"), 0);
7373 CopyBoard(boards[0], initial_position);
7374 initialRulePlies = FENrulePlies;
7375 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
7376 else gameMode = MachinePlaysBlack;
7377 DrawPosition(FALSE, boards[currentMove]);
7383 * Look for communication commands
7385 if (!strncmp(message, "telluser ", 9)) {
7386 EscapeExpand(message+9, message+9); // [HGM] esc: allow escape sequences in popup box
7387 DisplayNote(message + 9);
7390 if (!strncmp(message, "tellusererror ", 14)) {
7392 EscapeExpand(message+14, message+14); // [HGM] esc: allow escape sequences in popup box
7393 DisplayError(message + 14, 0);
7396 if (!strncmp(message, "tellopponent ", 13)) {
7397 if (appData.icsActive) {
7399 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
7403 DisplayNote(message + 13);
7407 if (!strncmp(message, "tellothers ", 11)) {
7408 if (appData.icsActive) {
7410 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
7416 if (!strncmp(message, "tellall ", 8)) {
7417 if (appData.icsActive) {
7419 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
7423 DisplayNote(message + 8);
7427 if (strncmp(message, "warning", 7) == 0) {
7428 /* Undocumented feature, use tellusererror in new code */
7429 DisplayError(message, 0);
7432 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
7433 strcpy(realname, cps->tidy);
7434 strcat(realname, " query");
7435 AskQuestion(realname, buf2, buf1, cps->pr);
7438 /* Commands from the engine directly to ICS. We don't allow these to be
7439 * sent until we are logged on. Crafty kibitzes have been known to
7440 * interfere with the login process.
7443 if (!strncmp(message, "tellics ", 8)) {
7444 SendToICS(message + 8);
7448 if (!strncmp(message, "tellicsnoalias ", 15)) {
7449 SendToICS(ics_prefix);
7450 SendToICS(message + 15);
7454 /* The following are for backward compatibility only */
7455 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
7456 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
7457 SendToICS(ics_prefix);
7463 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
7467 * If the move is illegal, cancel it and redraw the board.
7468 * Also deal with other error cases. Matching is rather loose
7469 * here to accommodate engines written before the spec.
7471 if (strncmp(message + 1, "llegal move", 11) == 0 ||
7472 strncmp(message, "Error", 5) == 0) {
7473 if (StrStr(message, "name") ||
7474 StrStr(message, "rating") || StrStr(message, "?") ||
7475 StrStr(message, "result") || StrStr(message, "board") ||
7476 StrStr(message, "bk") || StrStr(message, "computer") ||
7477 StrStr(message, "variant") || StrStr(message, "hint") ||
7478 StrStr(message, "random") || StrStr(message, "depth") ||
7479 StrStr(message, "accepted")) {
7482 if (StrStr(message, "protover")) {
7483 /* Program is responding to input, so it's apparently done
7484 initializing, and this error message indicates it is
7485 protocol version 1. So we don't need to wait any longer
7486 for it to initialize and send feature commands. */
7487 FeatureDone(cps, 1);
7488 cps->protocolVersion = 1;
7491 cps->maybeThinking = FALSE;
7493 if (StrStr(message, "draw")) {
7494 /* Program doesn't have "draw" command */
7495 cps->sendDrawOffers = 0;
7498 if (cps->sendTime != 1 &&
7499 (StrStr(message, "time") || StrStr(message, "otim"))) {
7500 /* Program apparently doesn't have "time" or "otim" command */
7504 if (StrStr(message, "analyze")) {
7505 cps->analysisSupport = FALSE;
7506 cps->analyzing = FALSE;
7508 sprintf(buf2, _("%s does not support analysis"), cps->tidy);
7509 DisplayError(buf2, 0);
7512 if (StrStr(message, "(no matching move)st")) {
7513 /* Special kludge for GNU Chess 4 only */
7514 cps->stKludge = TRUE;
7515 SendTimeControl(cps, movesPerSession, timeControl,
7516 timeIncrement, appData.searchDepth,
7520 if (StrStr(message, "(no matching move)sd")) {
7521 /* Special kludge for GNU Chess 4 only */
7522 cps->sdKludge = TRUE;
7523 SendTimeControl(cps, movesPerSession, timeControl,
7524 timeIncrement, appData.searchDepth,
7528 if (!StrStr(message, "llegal")) {
7531 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7532 gameMode == IcsIdle) return;
7533 if (forwardMostMove <= backwardMostMove) return;
7534 if (pausing) PauseEvent();
7535 if(appData.forceIllegal) {
7536 // [HGM] illegal: machine refused move; force position after move into it
7537 SendToProgram("force\n", cps);
7538 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
7539 // we have a real problem now, as SendBoard will use the a2a3 kludge
7540 // when black is to move, while there might be nothing on a2 or black
7541 // might already have the move. So send the board as if white has the move.
7542 // But first we must change the stm of the engine, as it refused the last move
7543 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
7544 if(WhiteOnMove(forwardMostMove)) {
7545 SendToProgram("a7a6\n", cps); // for the engine black still had the move
7546 SendBoard(cps, forwardMostMove); // kludgeless board
7548 SendToProgram("a2a3\n", cps); // for the engine white still had the move
7549 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7550 SendBoard(cps, forwardMostMove+1); // kludgeless board
7552 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
7553 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
7554 gameMode == TwoMachinesPlay)
7555 SendToProgram("go\n", cps);
7558 if (gameMode == PlayFromGameFile) {
7559 /* Stop reading this game file */
7560 gameMode = EditGame;
7563 currentMove = forwardMostMove-1;
7564 DisplayMove(currentMove-1); /* before DisplayMoveError */
7565 SwitchClocks(forwardMostMove-1); // [HGM] race
7566 DisplayBothClocks();
7567 sprintf(buf1, _("Illegal move \"%s\" (rejected by %s chess program)"),
7568 parseList[currentMove], cps->which);
7569 DisplayMoveError(buf1);
7570 DrawPosition(FALSE, boards[currentMove]);
7572 /* [HGM] illegal-move claim should forfeit game when Xboard */
7573 /* only passes fully legal moves */
7574 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
7575 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
7576 "False illegal-move claim", GE_XBOARD );
7580 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
7581 /* Program has a broken "time" command that
7582 outputs a string not ending in newline.
7588 * If chess program startup fails, exit with an error message.
7589 * Attempts to recover here are futile.
7591 if ((StrStr(message, "unknown host") != NULL)
7592 || (StrStr(message, "No remote directory") != NULL)
7593 || (StrStr(message, "not found") != NULL)
7594 || (StrStr(message, "No such file") != NULL)
7595 || (StrStr(message, "can't alloc") != NULL)
7596 || (StrStr(message, "Permission denied") != NULL)) {
7598 cps->maybeThinking = FALSE;
7599 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
7600 cps->which, cps->program, cps->host, message);
7601 RemoveInputSource(cps->isr);
7602 DisplayFatalError(buf1, 0, 1);
7607 * Look for hint output
7609 if (sscanf(message, "Hint: %s", buf1) == 1) {
7610 if (cps == &first && hintRequested) {
7611 hintRequested = FALSE;
7612 if (ParseOneMove(buf1, forwardMostMove, &moveType,
7613 &fromX, &fromY, &toX, &toY, &promoChar)) {
7614 (void) CoordsToAlgebraic(boards[forwardMostMove],
7615 PosFlags(forwardMostMove),
7616 fromY, fromX, toY, toX, promoChar, buf1);
7617 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
7618 DisplayInformation(buf2);
7620 /* Hint move could not be parsed!? */
7621 snprintf(buf2, sizeof(buf2),
7622 _("Illegal hint move \"%s\"\nfrom %s chess program"),
7624 DisplayError(buf2, 0);
7627 strcpy(lastHint, buf1);
7633 * Ignore other messages if game is not in progress
7635 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7636 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
7639 * look for win, lose, draw, or draw offer
7641 if (strncmp(message, "1-0", 3) == 0) {
7642 char *p, *q, *r = "";
7643 p = strchr(message, '{');
7651 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
7653 } else if (strncmp(message, "0-1", 3) == 0) {
7654 char *p, *q, *r = "";
7655 p = strchr(message, '{');
7663 /* Kludge for Arasan 4.1 bug */
7664 if (strcmp(r, "Black resigns") == 0) {
7665 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
7668 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
7670 } else if (strncmp(message, "1/2", 3) == 0) {
7671 char *p, *q, *r = "";
7672 p = strchr(message, '{');
7681 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
7684 } else if (strncmp(message, "White resign", 12) == 0) {
7685 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7687 } else if (strncmp(message, "Black resign", 12) == 0) {
7688 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7690 } else if (strncmp(message, "White matches", 13) == 0 ||
7691 strncmp(message, "Black matches", 13) == 0 ) {
7692 /* [HGM] ignore GNUShogi noises */
7694 } else if (strncmp(message, "White", 5) == 0 &&
7695 message[5] != '(' &&
7696 StrStr(message, "Black") == NULL) {
7697 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7699 } else if (strncmp(message, "Black", 5) == 0 &&
7700 message[5] != '(') {
7701 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7703 } else if (strcmp(message, "resign") == 0 ||
7704 strcmp(message, "computer resigns") == 0) {
7706 case MachinePlaysBlack:
7707 case IcsPlayingBlack:
7708 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
7710 case MachinePlaysWhite:
7711 case IcsPlayingWhite:
7712 GameEnds(BlackWins, "White resigns", GE_ENGINE);
7714 case TwoMachinesPlay:
7715 if (cps->twoMachinesColor[0] == 'w')
7716 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7718 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7725 } else if (strncmp(message, "opponent mates", 14) == 0) {
7727 case MachinePlaysBlack:
7728 case IcsPlayingBlack:
7729 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7731 case MachinePlaysWhite:
7732 case IcsPlayingWhite:
7733 GameEnds(BlackWins, "Black mates", GE_ENGINE);
7735 case TwoMachinesPlay:
7736 if (cps->twoMachinesColor[0] == 'w')
7737 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7739 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7746 } else if (strncmp(message, "computer mates", 14) == 0) {
7748 case MachinePlaysBlack:
7749 case IcsPlayingBlack:
7750 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
7752 case MachinePlaysWhite:
7753 case IcsPlayingWhite:
7754 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7756 case TwoMachinesPlay:
7757 if (cps->twoMachinesColor[0] == 'w')
7758 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7760 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7767 } else if (strncmp(message, "checkmate", 9) == 0) {
7768 if (WhiteOnMove(forwardMostMove)) {
7769 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7771 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7774 } else if (strstr(message, "Draw") != NULL ||
7775 strstr(message, "game is a draw") != NULL) {
7776 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
7778 } else if (strstr(message, "offer") != NULL &&
7779 strstr(message, "draw") != NULL) {
7781 if (appData.zippyPlay && first.initDone) {
7782 /* Relay offer to ICS */
7783 SendToICS(ics_prefix);
7784 SendToICS("draw\n");
7787 cps->offeredDraw = 2; /* valid until this engine moves twice */
7788 if (gameMode == TwoMachinesPlay) {
7789 if (cps->other->offeredDraw) {
7790 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7791 /* [HGM] in two-machine mode we delay relaying draw offer */
7792 /* until after we also have move, to see if it is really claim */
7794 } else if (gameMode == MachinePlaysWhite ||
7795 gameMode == MachinePlaysBlack) {
7796 if (userOfferedDraw) {
7797 DisplayInformation(_("Machine accepts your draw offer"));
7798 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7800 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
7807 * Look for thinking output
7809 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
7810 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7812 int plylev, mvleft, mvtot, curscore, time;
7813 char mvname[MOVE_LEN];
7817 int prefixHint = FALSE;
7818 mvname[0] = NULLCHAR;
7821 case MachinePlaysBlack:
7822 case IcsPlayingBlack:
7823 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7825 case MachinePlaysWhite:
7826 case IcsPlayingWhite:
7827 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7832 case IcsObserving: /* [DM] icsEngineAnalyze */
7833 if (!appData.icsEngineAnalyze) ignore = TRUE;
7835 case TwoMachinesPlay:
7836 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
7846 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
7848 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7849 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
7851 if (plyext != ' ' && plyext != '\t') {
7855 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7856 if( cps->scoreIsAbsolute &&
7857 ( gameMode == MachinePlaysBlack ||
7858 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
7859 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
7860 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
7861 !WhiteOnMove(currentMove)
7864 curscore = -curscore;
7868 tempStats.depth = plylev;
7869 tempStats.nodes = nodes;
7870 tempStats.time = time;
7871 tempStats.score = curscore;
7872 tempStats.got_only_move = 0;
7874 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
7877 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
7878 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
7879 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
7880 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
7881 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
7882 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
7883 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
7884 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
7887 /* Buffer overflow protection */
7888 if (buf1[0] != NULLCHAR) {
7889 if (strlen(buf1) >= sizeof(tempStats.movelist)
7890 && appData.debugMode) {
7892 "PV is too long; using the first %u bytes.\n",
7893 (unsigned) sizeof(tempStats.movelist) - 1);
7896 safeStrCpy( tempStats.movelist, buf1, sizeof(tempStats.movelist) );
7898 sprintf(tempStats.movelist, " no PV\n");
7901 if (tempStats.seen_stat) {
7902 tempStats.ok_to_send = 1;
7905 if (strchr(tempStats.movelist, '(') != NULL) {
7906 tempStats.line_is_book = 1;
7907 tempStats.nr_moves = 0;
7908 tempStats.moves_left = 0;
7910 tempStats.line_is_book = 0;
7913 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
7914 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
7916 SendProgramStatsToFrontend( cps, &tempStats );
7919 [AS] Protect the thinkOutput buffer from overflow... this
7920 is only useful if buf1 hasn't overflowed first!
7922 sprintf(thinkOutput, "[%d]%c%+.2f %s%s",
7924 (gameMode == TwoMachinesPlay ?
7925 ToUpper(cps->twoMachinesColor[0]) : ' '),
7926 ((double) curscore) / 100.0,
7927 prefixHint ? lastHint : "",
7928 prefixHint ? " " : "" );
7930 if( buf1[0] != NULLCHAR ) {
7931 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
7933 if( strlen(buf1) > max_len ) {
7934 if( appData.debugMode) {
7935 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
7937 buf1[max_len+1] = '\0';
7940 strcat( thinkOutput, buf1 );
7943 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
7944 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7945 DisplayMove(currentMove - 1);
7949 } else if ((p=StrStr(message, "(only move)")) != NULL) {
7950 /* crafty (9.25+) says "(only move) <move>"
7951 * if there is only 1 legal move
7953 sscanf(p, "(only move) %s", buf1);
7954 sprintf(thinkOutput, "%s (only move)", buf1);
7955 sprintf(programStats.movelist, "%s (only move)", buf1);
7956 programStats.depth = 1;
7957 programStats.nr_moves = 1;
7958 programStats.moves_left = 1;
7959 programStats.nodes = 1;
7960 programStats.time = 1;
7961 programStats.got_only_move = 1;
7963 /* Not really, but we also use this member to
7964 mean "line isn't going to change" (Crafty
7965 isn't searching, so stats won't change) */
7966 programStats.line_is_book = 1;
7968 SendProgramStatsToFrontend( cps, &programStats );
7970 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
7971 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7972 DisplayMove(currentMove - 1);
7975 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
7976 &time, &nodes, &plylev, &mvleft,
7977 &mvtot, mvname) >= 5) {
7978 /* The stat01: line is from Crafty (9.29+) in response
7979 to the "." command */
7980 programStats.seen_stat = 1;
7981 cps->maybeThinking = TRUE;
7983 if (programStats.got_only_move || !appData.periodicUpdates)
7986 programStats.depth = plylev;
7987 programStats.time = time;
7988 programStats.nodes = nodes;
7989 programStats.moves_left = mvleft;
7990 programStats.nr_moves = mvtot;
7991 strcpy(programStats.move_name, mvname);
7992 programStats.ok_to_send = 1;
7993 programStats.movelist[0] = '\0';
7995 SendProgramStatsToFrontend( cps, &programStats );
7999 } else if (strncmp(message,"++",2) == 0) {
8000 /* Crafty 9.29+ outputs this */
8001 programStats.got_fail = 2;
8004 } else if (strncmp(message,"--",2) == 0) {
8005 /* Crafty 9.29+ outputs this */
8006 programStats.got_fail = 1;
8009 } else if (thinkOutput[0] != NULLCHAR &&
8010 strncmp(message, " ", 4) == 0) {
8011 unsigned message_len;
8014 while (*p && *p == ' ') p++;
8016 message_len = strlen( p );
8018 /* [AS] Avoid buffer overflow */
8019 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8020 strcat(thinkOutput, " ");
8021 strcat(thinkOutput, p);
8024 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8025 strcat(programStats.movelist, " ");
8026 strcat(programStats.movelist, p);
8029 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8030 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8031 DisplayMove(currentMove - 1);
8039 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8040 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8042 ChessProgramStats cpstats;
8044 if (plyext != ' ' && plyext != '\t') {
8048 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8049 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8050 curscore = -curscore;
8053 cpstats.depth = plylev;
8054 cpstats.nodes = nodes;
8055 cpstats.time = time;
8056 cpstats.score = curscore;
8057 cpstats.got_only_move = 0;
8058 cpstats.movelist[0] = '\0';
8060 if (buf1[0] != NULLCHAR) {
8061 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist) );
8064 cpstats.ok_to_send = 0;
8065 cpstats.line_is_book = 0;
8066 cpstats.nr_moves = 0;
8067 cpstats.moves_left = 0;
8069 SendProgramStatsToFrontend( cps, &cpstats );
8076 /* Parse a game score from the character string "game", and
8077 record it as the history of the current game. The game
8078 score is NOT assumed to start from the standard position.
8079 The display is not updated in any way.
8082 ParseGameHistory(game)
8086 int fromX, fromY, toX, toY, boardIndex;
8091 if (appData.debugMode)
8092 fprintf(debugFP, "Parsing game history: %s\n", game);
8094 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8095 gameInfo.site = StrSave(appData.icsHost);
8096 gameInfo.date = PGNDate();
8097 gameInfo.round = StrSave("-");
8099 /* Parse out names of players */
8100 while (*game == ' ') game++;
8102 while (*game != ' ') *p++ = *game++;
8104 gameInfo.white = StrSave(buf);
8105 while (*game == ' ') game++;
8107 while (*game != ' ' && *game != '\n') *p++ = *game++;
8109 gameInfo.black = StrSave(buf);
8112 boardIndex = blackPlaysFirst ? 1 : 0;
8115 yyboardindex = boardIndex;
8116 moveType = (ChessMove) yylex();
8118 case IllegalMove: /* maybe suicide chess, etc. */
8119 if (appData.debugMode) {
8120 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8121 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8122 setbuf(debugFP, NULL);
8124 case WhitePromotionChancellor:
8125 case BlackPromotionChancellor:
8126 case WhitePromotionArchbishop:
8127 case BlackPromotionArchbishop:
8128 case WhitePromotionQueen:
8129 case BlackPromotionQueen:
8130 case WhitePromotionRook:
8131 case BlackPromotionRook:
8132 case WhitePromotionBishop:
8133 case BlackPromotionBishop:
8134 case WhitePromotionKnight:
8135 case BlackPromotionKnight:
8136 case WhitePromotionKing:
8137 case BlackPromotionKing:
8139 case WhiteCapturesEnPassant:
8140 case BlackCapturesEnPassant:
8141 case WhiteKingSideCastle:
8142 case WhiteQueenSideCastle:
8143 case BlackKingSideCastle:
8144 case BlackQueenSideCastle:
8145 case WhiteKingSideCastleWild:
8146 case WhiteQueenSideCastleWild:
8147 case BlackKingSideCastleWild:
8148 case BlackQueenSideCastleWild:
8150 case WhiteHSideCastleFR:
8151 case WhiteASideCastleFR:
8152 case BlackHSideCastleFR:
8153 case BlackASideCastleFR:
8155 fromX = currentMoveString[0] - AAA;
8156 fromY = currentMoveString[1] - ONE;
8157 toX = currentMoveString[2] - AAA;
8158 toY = currentMoveString[3] - ONE;
8159 promoChar = currentMoveString[4];
8163 fromX = moveType == WhiteDrop ?
8164 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8165 (int) CharToPiece(ToLower(currentMoveString[0]));
8167 toX = currentMoveString[2] - AAA;
8168 toY = currentMoveString[3] - ONE;
8169 promoChar = NULLCHAR;
8173 sprintf(buf, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8174 if (appData.debugMode) {
8175 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8176 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8177 setbuf(debugFP, NULL);
8179 DisplayError(buf, 0);
8181 case ImpossibleMove:
8183 sprintf(buf, _("Illegal move in ICS output: \"%s\""), yy_text);
8184 if (appData.debugMode) {
8185 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8186 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8187 setbuf(debugFP, NULL);
8189 DisplayError(buf, 0);
8191 case (ChessMove) 0: /* end of file */
8192 if (boardIndex < backwardMostMove) {
8193 /* Oops, gap. How did that happen? */
8194 DisplayError(_("Gap in move list"), 0);
8197 backwardMostMove = blackPlaysFirst ? 1 : 0;
8198 if (boardIndex > forwardMostMove) {
8199 forwardMostMove = boardIndex;
8203 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8204 strcat(parseList[boardIndex-1], " ");
8205 strcat(parseList[boardIndex-1], yy_text);
8217 case GameUnfinished:
8218 if (gameMode == IcsExamining) {
8219 if (boardIndex < backwardMostMove) {
8220 /* Oops, gap. How did that happen? */
8223 backwardMostMove = blackPlaysFirst ? 1 : 0;
8226 gameInfo.result = moveType;
8227 p = strchr(yy_text, '{');
8228 if (p == NULL) p = strchr(yy_text, '(');
8231 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8233 q = strchr(p, *p == '{' ? '}' : ')');
8234 if (q != NULL) *q = NULLCHAR;
8237 gameInfo.resultDetails = StrSave(p);
8240 if (boardIndex >= forwardMostMove &&
8241 !(gameMode == IcsObserving && ics_gamenum == -1)) {
8242 backwardMostMove = blackPlaysFirst ? 1 : 0;
8245 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
8246 fromY, fromX, toY, toX, promoChar,
8247 parseList[boardIndex]);
8248 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
8249 /* currentMoveString is set as a side-effect of yylex */
8250 strcpy(moveList[boardIndex], currentMoveString);
8251 strcat(moveList[boardIndex], "\n");
8253 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
8254 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
8260 if(gameInfo.variant != VariantShogi)
8261 strcat(parseList[boardIndex - 1], "+");
8265 strcat(parseList[boardIndex - 1], "#");
8272 /* Apply a move to the given board */
8274 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
8275 int fromX, fromY, toX, toY;
8279 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
8280 int promoRank = gameInfo.variant == VariantMakruk ? 3 : 1;
8282 /* [HGM] compute & store e.p. status and castling rights for new position */
8283 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
8286 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
8287 oldEP = (signed char)board[EP_STATUS];
8288 board[EP_STATUS] = EP_NONE;
8290 if( board[toY][toX] != EmptySquare )
8291 board[EP_STATUS] = EP_CAPTURE;
8293 if( board[fromY][fromX] == WhitePawn ) {
8294 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8295 board[EP_STATUS] = EP_PAWN_MOVE;
8297 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
8298 gameInfo.variant != VariantBerolina || toX < fromX)
8299 board[EP_STATUS] = toX | berolina;
8300 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
8301 gameInfo.variant != VariantBerolina || toX > fromX)
8302 board[EP_STATUS] = toX;
8305 if( board[fromY][fromX] == BlackPawn ) {
8306 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8307 board[EP_STATUS] = EP_PAWN_MOVE;
8308 if( toY-fromY== -2) {
8309 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
8310 gameInfo.variant != VariantBerolina || toX < fromX)
8311 board[EP_STATUS] = toX | berolina;
8312 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
8313 gameInfo.variant != VariantBerolina || toX > fromX)
8314 board[EP_STATUS] = toX;
8318 for(i=0; i<nrCastlingRights; i++) {
8319 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
8320 board[CASTLING][i] == toX && castlingRank[i] == toY
8321 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
8326 /* [HGM] In Shatranj and Courier all promotions are to Ferz */
8327 if((gameInfo.variant==VariantShatranj || gameInfo.variant==VariantCourier || gameInfo.variant == VariantMakruk)
8328 && promoChar != 0) promoChar = PieceToChar(WhiteFerz);
8330 if (fromX == toX && fromY == toY) return;
8332 if (fromY == DROP_RANK) {
8334 piece = board[toY][toX] = (ChessSquare) fromX;
8336 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
8337 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
8338 if(gameInfo.variant == VariantKnightmate)
8339 king += (int) WhiteUnicorn - (int) WhiteKing;
8341 /* Code added by Tord: */
8342 /* FRC castling assumed when king captures friendly rook. */
8343 if (board[fromY][fromX] == WhiteKing &&
8344 board[toY][toX] == WhiteRook) {
8345 board[fromY][fromX] = EmptySquare;
8346 board[toY][toX] = EmptySquare;
8348 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
8350 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
8352 } else if (board[fromY][fromX] == BlackKing &&
8353 board[toY][toX] == BlackRook) {
8354 board[fromY][fromX] = EmptySquare;
8355 board[toY][toX] = EmptySquare;
8357 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
8359 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
8361 /* End of code added by Tord */
8363 } else if (board[fromY][fromX] == king
8364 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8365 && toY == fromY && toX > fromX+1) {
8366 board[fromY][fromX] = EmptySquare;
8367 board[toY][toX] = king;
8368 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8369 board[fromY][BOARD_RGHT-1] = EmptySquare;
8370 } else if (board[fromY][fromX] == king
8371 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8372 && toY == fromY && toX < fromX-1) {
8373 board[fromY][fromX] = EmptySquare;
8374 board[toY][toX] = king;
8375 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8376 board[fromY][BOARD_LEFT] = EmptySquare;
8377 } else if (board[fromY][fromX] == WhitePawn
8378 && toY >= BOARD_HEIGHT-promoRank
8379 && gameInfo.variant != VariantXiangqi
8381 /* white pawn promotion */
8382 board[toY][toX] = CharToPiece(ToUpper(promoChar));
8383 if (board[toY][toX] == EmptySquare) {
8384 board[toY][toX] = WhiteQueen;
8386 if(gameInfo.variant==VariantBughouse ||
8387 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8388 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8389 board[fromY][fromX] = EmptySquare;
8390 } else if ((fromY == BOARD_HEIGHT-4)
8392 && gameInfo.variant != VariantXiangqi
8393 && gameInfo.variant != VariantBerolina
8394 && (board[fromY][fromX] == WhitePawn)
8395 && (board[toY][toX] == EmptySquare)) {
8396 board[fromY][fromX] = EmptySquare;
8397 board[toY][toX] = WhitePawn;
8398 captured = board[toY - 1][toX];
8399 board[toY - 1][toX] = EmptySquare;
8400 } else if ((fromY == BOARD_HEIGHT-4)
8402 && gameInfo.variant == VariantBerolina
8403 && (board[fromY][fromX] == WhitePawn)
8404 && (board[toY][toX] == EmptySquare)) {
8405 board[fromY][fromX] = EmptySquare;
8406 board[toY][toX] = WhitePawn;
8407 if(oldEP & EP_BEROLIN_A) {
8408 captured = board[fromY][fromX-1];
8409 board[fromY][fromX-1] = EmptySquare;
8410 }else{ captured = board[fromY][fromX+1];
8411 board[fromY][fromX+1] = EmptySquare;
8413 } else if (board[fromY][fromX] == king
8414 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8415 && toY == fromY && toX > fromX+1) {
8416 board[fromY][fromX] = EmptySquare;
8417 board[toY][toX] = king;
8418 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8419 board[fromY][BOARD_RGHT-1] = EmptySquare;
8420 } else if (board[fromY][fromX] == king
8421 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8422 && toY == fromY && toX < fromX-1) {
8423 board[fromY][fromX] = EmptySquare;
8424 board[toY][toX] = king;
8425 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8426 board[fromY][BOARD_LEFT] = EmptySquare;
8427 } else if (fromY == 7 && fromX == 3
8428 && board[fromY][fromX] == BlackKing
8429 && toY == 7 && toX == 5) {
8430 board[fromY][fromX] = EmptySquare;
8431 board[toY][toX] = BlackKing;
8432 board[fromY][7] = EmptySquare;
8433 board[toY][4] = BlackRook;
8434 } else if (fromY == 7 && fromX == 3
8435 && board[fromY][fromX] == BlackKing
8436 && toY == 7 && toX == 1) {
8437 board[fromY][fromX] = EmptySquare;
8438 board[toY][toX] = BlackKing;
8439 board[fromY][0] = EmptySquare;
8440 board[toY][2] = BlackRook;
8441 } else if (board[fromY][fromX] == BlackPawn
8443 && gameInfo.variant != VariantXiangqi
8445 /* black pawn promotion */
8446 board[toY][toX] = CharToPiece(ToLower(promoChar));
8447 if (board[toY][toX] == EmptySquare) {
8448 board[toY][toX] = BlackQueen;
8450 if(gameInfo.variant==VariantBughouse ||
8451 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8452 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8453 board[fromY][fromX] = EmptySquare;
8454 } else if ((fromY == 3)
8456 && gameInfo.variant != VariantXiangqi
8457 && gameInfo.variant != VariantBerolina
8458 && (board[fromY][fromX] == BlackPawn)
8459 && (board[toY][toX] == EmptySquare)) {
8460 board[fromY][fromX] = EmptySquare;
8461 board[toY][toX] = BlackPawn;
8462 captured = board[toY + 1][toX];
8463 board[toY + 1][toX] = EmptySquare;
8464 } else if ((fromY == 3)
8466 && gameInfo.variant == VariantBerolina
8467 && (board[fromY][fromX] == BlackPawn)
8468 && (board[toY][toX] == EmptySquare)) {
8469 board[fromY][fromX] = EmptySquare;
8470 board[toY][toX] = BlackPawn;
8471 if(oldEP & EP_BEROLIN_A) {
8472 captured = board[fromY][fromX-1];
8473 board[fromY][fromX-1] = EmptySquare;
8474 }else{ captured = board[fromY][fromX+1];
8475 board[fromY][fromX+1] = EmptySquare;
8478 board[toY][toX] = board[fromY][fromX];
8479 board[fromY][fromX] = EmptySquare;
8482 /* [HGM] now we promote for Shogi, if needed */
8483 if(gameInfo.variant == VariantShogi && promoChar == 'q')
8484 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8487 if (gameInfo.holdingsWidth != 0) {
8489 /* !!A lot more code needs to be written to support holdings */
8490 /* [HGM] OK, so I have written it. Holdings are stored in the */
8491 /* penultimate board files, so they are automaticlly stored */
8492 /* in the game history. */
8493 if (fromY == DROP_RANK) {
8494 /* Delete from holdings, by decreasing count */
8495 /* and erasing image if necessary */
8497 if(p < (int) BlackPawn) { /* white drop */
8498 p -= (int)WhitePawn;
8499 p = PieceToNumber((ChessSquare)p);
8500 if(p >= gameInfo.holdingsSize) p = 0;
8501 if(--board[p][BOARD_WIDTH-2] <= 0)
8502 board[p][BOARD_WIDTH-1] = EmptySquare;
8503 if((int)board[p][BOARD_WIDTH-2] < 0)
8504 board[p][BOARD_WIDTH-2] = 0;
8505 } else { /* black drop */
8506 p -= (int)BlackPawn;
8507 p = PieceToNumber((ChessSquare)p);
8508 if(p >= gameInfo.holdingsSize) p = 0;
8509 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
8510 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
8511 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
8512 board[BOARD_HEIGHT-1-p][1] = 0;
8515 if (captured != EmptySquare && gameInfo.holdingsSize > 0
8516 && gameInfo.variant != VariantBughouse ) {
8517 /* [HGM] holdings: Add to holdings, if holdings exist */
8518 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
8519 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
8520 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
8523 if (p >= (int) BlackPawn) {
8524 p -= (int)BlackPawn;
8525 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8526 /* in Shogi restore piece to its original first */
8527 captured = (ChessSquare) (DEMOTED captured);
8530 p = PieceToNumber((ChessSquare)p);
8531 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
8532 board[p][BOARD_WIDTH-2]++;
8533 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
8535 p -= (int)WhitePawn;
8536 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8537 captured = (ChessSquare) (DEMOTED captured);
8540 p = PieceToNumber((ChessSquare)p);
8541 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
8542 board[BOARD_HEIGHT-1-p][1]++;
8543 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
8546 } else if (gameInfo.variant == VariantAtomic) {
8547 if (captured != EmptySquare) {
8549 for (y = toY-1; y <= toY+1; y++) {
8550 for (x = toX-1; x <= toX+1; x++) {
8551 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
8552 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
8553 board[y][x] = EmptySquare;
8557 board[toY][toX] = EmptySquare;
8560 if(gameInfo.variant == VariantShogi && promoChar != NULLCHAR && promoChar != '=') {
8561 /* [HGM] Shogi promotions */
8562 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8565 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8566 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
8567 // [HGM] superchess: take promotion piece out of holdings
8568 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
8569 if((int)piece < (int)BlackPawn) { // determine stm from piece color
8570 if(!--board[k][BOARD_WIDTH-2])
8571 board[k][BOARD_WIDTH-1] = EmptySquare;
8573 if(!--board[BOARD_HEIGHT-1-k][1])
8574 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
8580 /* Updates forwardMostMove */
8582 MakeMove(fromX, fromY, toX, toY, promoChar)
8583 int fromX, fromY, toX, toY;
8586 // forwardMostMove++; // [HGM] bare: moved downstream
8588 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
8589 int timeLeft; static int lastLoadFlag=0; int king, piece;
8590 piece = boards[forwardMostMove][fromY][fromX];
8591 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
8592 if(gameInfo.variant == VariantKnightmate)
8593 king += (int) WhiteUnicorn - (int) WhiteKing;
8594 if(forwardMostMove == 0) {
8596 fprintf(serverMoves, "%s;", second.tidy);
8597 fprintf(serverMoves, "%s;", first.tidy);
8598 if(!blackPlaysFirst)
8599 fprintf(serverMoves, "%s;", second.tidy);
8600 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
8601 lastLoadFlag = loadFlag;
8603 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
8604 // print castling suffix
8605 if( toY == fromY && piece == king ) {
8607 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
8609 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
8612 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
8613 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
8614 boards[forwardMostMove][toY][toX] == EmptySquare
8615 && fromX != toX && fromY != toY)
8616 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
8618 if(promoChar != NULLCHAR)
8619 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
8621 fprintf(serverMoves, "/%d/%d",
8622 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
8623 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
8624 else timeLeft = blackTimeRemaining/1000;
8625 fprintf(serverMoves, "/%d", timeLeft);
8627 fflush(serverMoves);
8630 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
8631 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
8635 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
8636 if (commentList[forwardMostMove+1] != NULL) {
8637 free(commentList[forwardMostMove+1]);
8638 commentList[forwardMostMove+1] = NULL;
8640 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8641 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
8642 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
8643 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
8644 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
8645 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
8646 gameInfo.result = GameUnfinished;
8647 if (gameInfo.resultDetails != NULL) {
8648 free(gameInfo.resultDetails);
8649 gameInfo.resultDetails = NULL;
8651 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
8652 moveList[forwardMostMove - 1]);
8653 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
8654 PosFlags(forwardMostMove - 1),
8655 fromY, fromX, toY, toX, promoChar,
8656 parseList[forwardMostMove - 1]);
8657 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8663 if(gameInfo.variant != VariantShogi)
8664 strcat(parseList[forwardMostMove - 1], "+");
8668 strcat(parseList[forwardMostMove - 1], "#");
8671 if (appData.debugMode) {
8672 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
8677 /* Updates currentMove if not pausing */
8679 ShowMove(fromX, fromY, toX, toY)
8681 int instant = (gameMode == PlayFromGameFile) ?
8682 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
8683 if(appData.noGUI) return;
8684 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
8686 if (forwardMostMove == currentMove + 1) {
8687 AnimateMove(boards[forwardMostMove - 1],
8688 fromX, fromY, toX, toY);
8690 if (appData.highlightLastMove) {
8691 SetHighlights(fromX, fromY, toX, toY);
8694 currentMove = forwardMostMove;
8697 if (instant) return;
8699 DisplayMove(currentMove - 1);
8700 DrawPosition(FALSE, boards[currentMove]);
8701 DisplayBothClocks();
8702 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
8705 void SendEgtPath(ChessProgramState *cps)
8706 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
8707 char buf[MSG_SIZ], name[MSG_SIZ], *p;
8709 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
8712 char c, *q = name+1, *r, *s;
8714 name[0] = ','; // extract next format name from feature and copy with prefixed ','
8715 while(*p && *p != ',') *q++ = *p++;
8717 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
8718 strcmp(name, ",nalimov:") == 0 ) {
8719 // take nalimov path from the menu-changeable option first, if it is defined
8720 sprintf(buf, "egtpath nalimov %s\n", appData.defaultPathEGTB);
8721 SendToProgram(buf,cps); // send egtbpath command for nalimov
8723 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
8724 (s = StrStr(appData.egtFormats, name)) != NULL) {
8725 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
8726 s = r = StrStr(s, ":") + 1; // beginning of path info
8727 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
8728 c = *r; *r = 0; // temporarily null-terminate path info
8729 *--q = 0; // strip of trailig ':' from name
8730 sprintf(buf, "egtpath %s %s\n", name+1, s);
8732 SendToProgram(buf,cps); // send egtbpath command for this format
8734 if(*p == ',') p++; // read away comma to position for next format name
8739 InitChessProgram(cps, setup)
8740 ChessProgramState *cps;
8741 int setup; /* [HGM] needed to setup FRC opening position */
8743 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
8744 if (appData.noChessProgram) return;
8745 hintRequested = FALSE;
8746 bookRequested = FALSE;
8748 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
8749 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
8750 if(cps->memSize) { /* [HGM] memory */
8751 sprintf(buf, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
8752 SendToProgram(buf, cps);
8754 SendEgtPath(cps); /* [HGM] EGT */
8755 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
8756 sprintf(buf, "cores %d\n", appData.smpCores);
8757 SendToProgram(buf, cps);
8760 SendToProgram(cps->initString, cps);
8761 if (gameInfo.variant != VariantNormal &&
8762 gameInfo.variant != VariantLoadable
8763 /* [HGM] also send variant if board size non-standard */
8764 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
8766 char *v = VariantName(gameInfo.variant);
8767 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
8768 /* [HGM] in protocol 1 we have to assume all variants valid */
8769 sprintf(buf, _("Variant %s not supported by %s"), v, cps->tidy);
8770 DisplayFatalError(buf, 0, 1);
8774 /* [HGM] make prefix for non-standard board size. Awkward testing... */
8775 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8776 if( gameInfo.variant == VariantXiangqi )
8777 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
8778 if( gameInfo.variant == VariantShogi )
8779 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
8780 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
8781 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
8782 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
8783 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
8784 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8785 if( gameInfo.variant == VariantCourier )
8786 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8787 if( gameInfo.variant == VariantSuper )
8788 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8789 if( gameInfo.variant == VariantGreat )
8790 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8793 sprintf(b, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
8794 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
8795 /* [HGM] varsize: try first if this defiant size variant is specifically known */
8796 if(StrStr(cps->variants, b) == NULL) {
8797 // specific sized variant not known, check if general sizing allowed
8798 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
8799 if(StrStr(cps->variants, "boardsize") == NULL) {
8800 sprintf(buf, "Board size %dx%d+%d not supported by %s",
8801 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
8802 DisplayFatalError(buf, 0, 1);
8805 /* [HGM] here we really should compare with the maximum supported board size */
8808 } else sprintf(b, "%s", VariantName(gameInfo.variant));
8809 sprintf(buf, "variant %s\n", b);
8810 SendToProgram(buf, cps);
8812 currentlyInitializedVariant = gameInfo.variant;
8814 /* [HGM] send opening position in FRC to first engine */
8816 SendToProgram("force\n", cps);
8818 /* engine is now in force mode! Set flag to wake it up after first move. */
8819 setboardSpoiledMachineBlack = 1;
8823 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
8824 SendToProgram(buf, cps);
8826 cps->maybeThinking = FALSE;
8827 cps->offeredDraw = 0;
8828 if (!appData.icsActive) {
8829 SendTimeControl(cps, movesPerSession, timeControl,
8830 timeIncrement, appData.searchDepth,
8833 if (appData.showThinking
8834 // [HGM] thinking: four options require thinking output to be sent
8835 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8837 SendToProgram("post\n", cps);
8839 SendToProgram("hard\n", cps);
8840 if (!appData.ponderNextMove) {
8841 /* Warning: "easy" is a toggle in GNU Chess, so don't send
8842 it without being sure what state we are in first. "hard"
8843 is not a toggle, so that one is OK.
8845 SendToProgram("easy\n", cps);
8848 sprintf(buf, "ping %d\n", ++cps->lastPing);
8849 SendToProgram(buf, cps);
8851 cps->initDone = TRUE;
8856 StartChessProgram(cps)
8857 ChessProgramState *cps;
8862 if (appData.noChessProgram) return;
8863 cps->initDone = FALSE;
8865 if (strcmp(cps->host, "localhost") == 0) {
8866 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
8867 } else if (*appData.remoteShell == NULLCHAR) {
8868 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
8870 if (*appData.remoteUser == NULLCHAR) {
8871 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
8874 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
8875 cps->host, appData.remoteUser, cps->program);
8877 err = StartChildProcess(buf, "", &cps->pr);
8881 sprintf(buf, _("Startup failure on '%s'"), cps->program);
8882 DisplayFatalError(buf, err, 1);
8888 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
8889 if (cps->protocolVersion > 1) {
8890 sprintf(buf, "xboard\nprotover %d\n", cps->protocolVersion);
8891 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
8892 cps->comboCnt = 0; // and values of combo boxes
8893 SendToProgram(buf, cps);
8895 SendToProgram("xboard\n", cps);
8901 TwoMachinesEventIfReady P((void))
8903 if (first.lastPing != first.lastPong) {
8904 DisplayMessage("", _("Waiting for first chess program"));
8905 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8908 if (second.lastPing != second.lastPong) {
8909 DisplayMessage("", _("Waiting for second chess program"));
8910 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8918 NextMatchGame P((void))
8920 int index; /* [HGM] autoinc: step load index during match */
8922 if (*appData.loadGameFile != NULLCHAR) {
8923 index = appData.loadGameIndex;
8924 if(index < 0) { // [HGM] autoinc
8925 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8926 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8928 LoadGameFromFile(appData.loadGameFile,
8930 appData.loadGameFile, FALSE);
8931 } else if (*appData.loadPositionFile != NULLCHAR) {
8932 index = appData.loadPositionIndex;
8933 if(index < 0) { // [HGM] autoinc
8934 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8935 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8937 LoadPositionFromFile(appData.loadPositionFile,
8939 appData.loadPositionFile);
8941 TwoMachinesEventIfReady();
8944 void UserAdjudicationEvent( int result )
8946 ChessMove gameResult = GameIsDrawn;
8949 gameResult = WhiteWins;
8951 else if( result < 0 ) {
8952 gameResult = BlackWins;
8955 if( gameMode == TwoMachinesPlay ) {
8956 GameEnds( gameResult, "User adjudication", GE_XBOARD );
8961 // [HGM] save: calculate checksum of game to make games easily identifiable
8962 int StringCheckSum(char *s)
8965 if(s==NULL) return 0;
8966 while(*s) i = i*259 + *s++;
8973 for(i=backwardMostMove; i<forwardMostMove; i++) {
8974 sum += pvInfoList[i].depth;
8975 sum += StringCheckSum(parseList[i]);
8976 sum += StringCheckSum(commentList[i]);
8979 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
8980 return sum + StringCheckSum(commentList[i]);
8981 } // end of save patch
8984 GameEnds(result, resultDetails, whosays)
8986 char *resultDetails;
8989 GameMode nextGameMode;
8991 char buf[MSG_SIZ], popupRequested = 0;
8993 if(endingGame) return; /* [HGM] crash: forbid recursion */
8995 if(twoBoards) { // [HGM] dual: switch back to one board
8996 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
8997 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
8999 if (appData.debugMode) {
9000 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
9001 result, resultDetails ? resultDetails : "(null)", whosays);
9004 fromX = fromY = -1; // [HGM] abort any move the user is entering.
9006 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
9007 /* If we are playing on ICS, the server decides when the
9008 game is over, but the engine can offer to draw, claim
9012 if (appData.zippyPlay && first.initDone) {
9013 if (result == GameIsDrawn) {
9014 /* In case draw still needs to be claimed */
9015 SendToICS(ics_prefix);
9016 SendToICS("draw\n");
9017 } else if (StrCaseStr(resultDetails, "resign")) {
9018 SendToICS(ics_prefix);
9019 SendToICS("resign\n");
9023 endingGame = 0; /* [HGM] crash */
9027 /* If we're loading the game from a file, stop */
9028 if (whosays == GE_FILE) {
9029 (void) StopLoadGameTimer();
9033 /* Cancel draw offers */
9034 first.offeredDraw = second.offeredDraw = 0;
9036 /* If this is an ICS game, only ICS can really say it's done;
9037 if not, anyone can. */
9038 isIcsGame = (gameMode == IcsPlayingWhite ||
9039 gameMode == IcsPlayingBlack ||
9040 gameMode == IcsObserving ||
9041 gameMode == IcsExamining);
9043 if (!isIcsGame || whosays == GE_ICS) {
9044 /* OK -- not an ICS game, or ICS said it was done */
9046 if (!isIcsGame && !appData.noChessProgram)
9047 SetUserThinkingEnables();
9049 /* [HGM] if a machine claims the game end we verify this claim */
9050 if(gameMode == TwoMachinesPlay && appData.testClaims) {
9051 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
9053 ChessMove trueResult = (ChessMove) -1;
9055 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
9056 first.twoMachinesColor[0] :
9057 second.twoMachinesColor[0] ;
9059 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
9060 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
9061 /* [HGM] verify: engine mate claims accepted if they were flagged */
9062 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
9064 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
9065 /* [HGM] verify: engine mate claims accepted if they were flagged */
9066 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
9068 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
9069 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
9072 // now verify win claims, but not in drop games, as we don't understand those yet
9073 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
9074 || gameInfo.variant == VariantGreat) &&
9075 (result == WhiteWins && claimer == 'w' ||
9076 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
9077 if (appData.debugMode) {
9078 fprintf(debugFP, "result=%d sp=%d move=%d\n",
9079 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
9081 if(result != trueResult) {
9082 sprintf(buf, "False win claim: '%s'", resultDetails);
9083 result = claimer == 'w' ? BlackWins : WhiteWins;
9084 resultDetails = buf;
9087 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
9088 && (forwardMostMove <= backwardMostMove ||
9089 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
9090 (claimer=='b')==(forwardMostMove&1))
9092 /* [HGM] verify: draws that were not flagged are false claims */
9093 sprintf(buf, "False draw claim: '%s'", resultDetails);
9094 result = claimer == 'w' ? BlackWins : WhiteWins;
9095 resultDetails = buf;
9097 /* (Claiming a loss is accepted no questions asked!) */
9099 /* [HGM] bare: don't allow bare King to win */
9100 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
9101 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
9102 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
9103 && result != GameIsDrawn)
9104 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
9105 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
9106 int p = (signed char)boards[forwardMostMove][i][j] - color;
9107 if(p >= 0 && p <= (int)WhiteKing) k++;
9109 if (appData.debugMode) {
9110 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
9111 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
9114 result = GameIsDrawn;
9115 sprintf(buf, "%s but bare king", resultDetails);
9116 resultDetails = buf;
9122 if(serverMoves != NULL && !loadFlag) { char c = '=';
9123 if(result==WhiteWins) c = '+';
9124 if(result==BlackWins) c = '-';
9125 if(resultDetails != NULL)
9126 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
9128 if (resultDetails != NULL) {
9129 gameInfo.result = result;
9130 gameInfo.resultDetails = StrSave(resultDetails);
9132 /* display last move only if game was not loaded from file */
9133 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
9134 DisplayMove(currentMove - 1);
9136 if (forwardMostMove != 0) {
9137 if (gameMode != PlayFromGameFile && gameMode != EditGame
9138 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
9140 if (*appData.saveGameFile != NULLCHAR) {
9141 SaveGameToFile(appData.saveGameFile, TRUE);
9142 } else if (appData.autoSaveGames) {
9145 if (*appData.savePositionFile != NULLCHAR) {
9146 SavePositionToFile(appData.savePositionFile);
9151 /* Tell program how game ended in case it is learning */
9152 /* [HGM] Moved this to after saving the PGN, just in case */
9153 /* engine died and we got here through time loss. In that */
9154 /* case we will get a fatal error writing the pipe, which */
9155 /* would otherwise lose us the PGN. */
9156 /* [HGM] crash: not needed anymore, but doesn't hurt; */
9157 /* output during GameEnds should never be fatal anymore */
9158 if (gameMode == MachinePlaysWhite ||
9159 gameMode == MachinePlaysBlack ||
9160 gameMode == TwoMachinesPlay ||
9161 gameMode == IcsPlayingWhite ||
9162 gameMode == IcsPlayingBlack ||
9163 gameMode == BeginningOfGame) {
9165 sprintf(buf, "result %s {%s}\n", PGNResult(result),
9167 if (first.pr != NoProc) {
9168 SendToProgram(buf, &first);
9170 if (second.pr != NoProc &&
9171 gameMode == TwoMachinesPlay) {
9172 SendToProgram(buf, &second);
9177 if (appData.icsActive) {
9178 if (appData.quietPlay &&
9179 (gameMode == IcsPlayingWhite ||
9180 gameMode == IcsPlayingBlack)) {
9181 SendToICS(ics_prefix);
9182 SendToICS("set shout 1\n");
9184 nextGameMode = IcsIdle;
9185 ics_user_moved = FALSE;
9186 /* clean up premove. It's ugly when the game has ended and the
9187 * premove highlights are still on the board.
9191 ClearPremoveHighlights();
9192 DrawPosition(FALSE, boards[currentMove]);
9194 if (whosays == GE_ICS) {
9197 if (gameMode == IcsPlayingWhite)
9199 else if(gameMode == IcsPlayingBlack)
9203 if (gameMode == IcsPlayingBlack)
9205 else if(gameMode == IcsPlayingWhite)
9212 PlayIcsUnfinishedSound();
9215 } else if (gameMode == EditGame ||
9216 gameMode == PlayFromGameFile ||
9217 gameMode == AnalyzeMode ||
9218 gameMode == AnalyzeFile) {
9219 nextGameMode = gameMode;
9221 nextGameMode = EndOfGame;
9226 nextGameMode = gameMode;
9229 if (appData.noChessProgram) {
9230 gameMode = nextGameMode;
9232 endingGame = 0; /* [HGM] crash */
9237 /* Put first chess program into idle state */
9238 if (first.pr != NoProc &&
9239 (gameMode == MachinePlaysWhite ||
9240 gameMode == MachinePlaysBlack ||
9241 gameMode == TwoMachinesPlay ||
9242 gameMode == IcsPlayingWhite ||
9243 gameMode == IcsPlayingBlack ||
9244 gameMode == BeginningOfGame)) {
9245 SendToProgram("force\n", &first);
9246 if (first.usePing) {
9248 sprintf(buf, "ping %d\n", ++first.lastPing);
9249 SendToProgram(buf, &first);
9252 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9253 /* Kill off first chess program */
9254 if (first.isr != NULL)
9255 RemoveInputSource(first.isr);
9258 if (first.pr != NoProc) {
9260 DoSleep( appData.delayBeforeQuit );
9261 SendToProgram("quit\n", &first);
9262 DoSleep( appData.delayAfterQuit );
9263 DestroyChildProcess(first.pr, first.useSigterm);
9268 /* Put second chess program into idle state */
9269 if (second.pr != NoProc &&
9270 gameMode == TwoMachinesPlay) {
9271 SendToProgram("force\n", &second);
9272 if (second.usePing) {
9274 sprintf(buf, "ping %d\n", ++second.lastPing);
9275 SendToProgram(buf, &second);
9278 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9279 /* Kill off second chess program */
9280 if (second.isr != NULL)
9281 RemoveInputSource(second.isr);
9284 if (second.pr != NoProc) {
9285 DoSleep( appData.delayBeforeQuit );
9286 SendToProgram("quit\n", &second);
9287 DoSleep( appData.delayAfterQuit );
9288 DestroyChildProcess(second.pr, second.useSigterm);
9293 if (matchMode && gameMode == TwoMachinesPlay) {
9296 if (first.twoMachinesColor[0] == 'w') {
9303 if (first.twoMachinesColor[0] == 'b') {
9312 if (matchGame < appData.matchGames) {
9314 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
9315 tmp = first.twoMachinesColor;
9316 first.twoMachinesColor = second.twoMachinesColor;
9317 second.twoMachinesColor = tmp;
9319 gameMode = nextGameMode;
9321 if(appData.matchPause>10000 || appData.matchPause<10)
9322 appData.matchPause = 10000; /* [HGM] make pause adjustable */
9323 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
9324 endingGame = 0; /* [HGM] crash */
9328 gameMode = nextGameMode;
9329 sprintf(buf, _("Match %s vs. %s: final score %d-%d-%d"),
9330 first.tidy, second.tidy,
9331 first.matchWins, second.matchWins,
9332 appData.matchGames - (first.matchWins + second.matchWins));
9333 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
9336 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
9337 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
9339 gameMode = nextGameMode;
9341 endingGame = 0; /* [HGM] crash */
9342 if(popupRequested) DisplayFatalError(buf, 0, 0); // [HGM] crash: this call GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
9345 /* Assumes program was just initialized (initString sent).
9346 Leaves program in force mode. */
9348 FeedMovesToProgram(cps, upto)
9349 ChessProgramState *cps;
9354 if (appData.debugMode)
9355 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
9356 startedFromSetupPosition ? "position and " : "",
9357 backwardMostMove, upto, cps->which);
9358 if(currentlyInitializedVariant != gameInfo.variant) { char buf[MSG_SIZ];
9359 // [HGM] variantswitch: make engine aware of new variant
9360 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
9361 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
9362 sprintf(buf, "variant %s\n", VariantName(gameInfo.variant));
9363 SendToProgram(buf, cps);
9364 currentlyInitializedVariant = gameInfo.variant;
9366 SendToProgram("force\n", cps);
9367 if (startedFromSetupPosition) {
9368 SendBoard(cps, backwardMostMove);
9369 if (appData.debugMode) {
9370 fprintf(debugFP, "feedMoves\n");
9373 for (i = backwardMostMove; i < upto; i++) {
9374 SendMoveToProgram(i, cps);
9380 ResurrectChessProgram()
9382 /* The chess program may have exited.
9383 If so, restart it and feed it all the moves made so far. */
9385 if (appData.noChessProgram || first.pr != NoProc) return;
9387 StartChessProgram(&first);
9388 InitChessProgram(&first, FALSE);
9389 FeedMovesToProgram(&first, currentMove);
9391 if (!first.sendTime) {
9392 /* can't tell gnuchess what its clock should read,
9393 so we bow to its notion. */
9395 timeRemaining[0][currentMove] = whiteTimeRemaining;
9396 timeRemaining[1][currentMove] = blackTimeRemaining;
9399 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
9400 appData.icsEngineAnalyze) && first.analysisSupport) {
9401 SendToProgram("analyze\n", &first);
9402 first.analyzing = TRUE;
9415 if (appData.debugMode) {
9416 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
9417 redraw, init, gameMode);
9419 CleanupTail(); // [HGM] vari: delete any stored variations
9420 pausing = pauseExamInvalid = FALSE;
9421 startedFromSetupPosition = blackPlaysFirst = FALSE;
9423 whiteFlag = blackFlag = FALSE;
9424 userOfferedDraw = FALSE;
9425 hintRequested = bookRequested = FALSE;
9426 first.maybeThinking = FALSE;
9427 second.maybeThinking = FALSE;
9428 first.bookSuspend = FALSE; // [HGM] book
9429 second.bookSuspend = FALSE;
9430 thinkOutput[0] = NULLCHAR;
9431 lastHint[0] = NULLCHAR;
9432 ClearGameInfo(&gameInfo);
9433 gameInfo.variant = StringToVariant(appData.variant);
9434 ics_user_moved = ics_clock_paused = FALSE;
9435 ics_getting_history = H_FALSE;
9437 white_holding[0] = black_holding[0] = NULLCHAR;
9438 ClearProgramStats();
9439 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
9443 flipView = appData.flipView;
9444 ClearPremoveHighlights();
9446 alarmSounded = FALSE;
9448 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
9449 if(appData.serverMovesName != NULL) {
9450 /* [HGM] prepare to make moves file for broadcasting */
9451 clock_t t = clock();
9452 if(serverMoves != NULL) fclose(serverMoves);
9453 serverMoves = fopen(appData.serverMovesName, "r");
9454 if(serverMoves != NULL) {
9455 fclose(serverMoves);
9456 /* delay 15 sec before overwriting, so all clients can see end */
9457 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
9459 serverMoves = fopen(appData.serverMovesName, "w");
9463 gameMode = BeginningOfGame;
9465 if(appData.icsActive) gameInfo.variant = VariantNormal;
9466 currentMove = forwardMostMove = backwardMostMove = 0;
9467 InitPosition(redraw);
9468 for (i = 0; i < MAX_MOVES; i++) {
9469 if (commentList[i] != NULL) {
9470 free(commentList[i]);
9471 commentList[i] = NULL;
9475 timeRemaining[0][0] = whiteTimeRemaining;
9476 timeRemaining[1][0] = blackTimeRemaining;
9477 if (first.pr == NULL) {
9478 StartChessProgram(&first);
9481 InitChessProgram(&first, startedFromSetupPosition);
9484 DisplayMessage("", "");
9485 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9486 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
9493 if (!AutoPlayOneMove())
9495 if (matchMode || appData.timeDelay == 0)
9497 if (appData.timeDelay < 0 || gameMode == AnalyzeFile)
9499 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
9508 int fromX, fromY, toX, toY;
9510 if (appData.debugMode) {
9511 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
9514 if (gameMode != PlayFromGameFile)
9517 if (currentMove >= forwardMostMove) {
9518 gameMode = EditGame;
9521 /* [AS] Clear current move marker at the end of a game */
9522 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
9527 toX = moveList[currentMove][2] - AAA;
9528 toY = moveList[currentMove][3] - ONE;
9530 if (moveList[currentMove][1] == '@') {
9531 if (appData.highlightLastMove) {
9532 SetHighlights(-1, -1, toX, toY);
9535 fromX = moveList[currentMove][0] - AAA;
9536 fromY = moveList[currentMove][1] - ONE;
9538 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
9540 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
9542 if (appData.highlightLastMove) {
9543 SetHighlights(fromX, fromY, toX, toY);
9546 DisplayMove(currentMove);
9547 SendMoveToProgram(currentMove++, &first);
9548 DisplayBothClocks();
9549 DrawPosition(FALSE, boards[currentMove]);
9550 // [HGM] PV info: always display, routine tests if empty
9551 DisplayComment(currentMove - 1, commentList[currentMove]);
9557 LoadGameOneMove(readAhead)
9558 ChessMove readAhead;
9560 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
9561 char promoChar = NULLCHAR;
9566 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
9567 gameMode != AnalyzeMode && gameMode != Training) {
9572 yyboardindex = forwardMostMove;
9573 if (readAhead != (ChessMove)0) {
9574 moveType = readAhead;
9576 if (gameFileFP == NULL)
9578 moveType = (ChessMove) yylex();
9584 if (appData.debugMode)
9585 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9588 /* append the comment but don't display it */
9589 AppendComment(currentMove, p, FALSE);
9592 case WhiteCapturesEnPassant:
9593 case BlackCapturesEnPassant:
9594 case WhitePromotionChancellor:
9595 case BlackPromotionChancellor:
9596 case WhitePromotionArchbishop:
9597 case BlackPromotionArchbishop:
9598 case WhitePromotionCentaur:
9599 case BlackPromotionCentaur:
9600 case WhitePromotionQueen:
9601 case BlackPromotionQueen:
9602 case WhitePromotionRook:
9603 case BlackPromotionRook:
9604 case WhitePromotionBishop:
9605 case BlackPromotionBishop:
9606 case WhitePromotionKnight:
9607 case BlackPromotionKnight:
9608 case WhitePromotionKing:
9609 case BlackPromotionKing:
9611 case WhiteKingSideCastle:
9612 case WhiteQueenSideCastle:
9613 case BlackKingSideCastle:
9614 case BlackQueenSideCastle:
9615 case WhiteKingSideCastleWild:
9616 case WhiteQueenSideCastleWild:
9617 case BlackKingSideCastleWild:
9618 case BlackQueenSideCastleWild:
9620 case WhiteHSideCastleFR:
9621 case WhiteASideCastleFR:
9622 case BlackHSideCastleFR:
9623 case BlackASideCastleFR:
9625 if (appData.debugMode)
9626 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9627 fromX = currentMoveString[0] - AAA;
9628 fromY = currentMoveString[1] - ONE;
9629 toX = currentMoveString[2] - AAA;
9630 toY = currentMoveString[3] - ONE;
9631 promoChar = currentMoveString[4];
9636 if (appData.debugMode)
9637 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9638 fromX = moveType == WhiteDrop ?
9639 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9640 (int) CharToPiece(ToLower(currentMoveString[0]));
9642 toX = currentMoveString[2] - AAA;
9643 toY = currentMoveString[3] - ONE;
9649 case GameUnfinished:
9650 if (appData.debugMode)
9651 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
9652 p = strchr(yy_text, '{');
9653 if (p == NULL) p = strchr(yy_text, '(');
9656 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9658 q = strchr(p, *p == '{' ? '}' : ')');
9659 if (q != NULL) *q = NULLCHAR;
9662 GameEnds(moveType, p, GE_FILE);
9664 if (cmailMsgLoaded) {
9666 flipView = WhiteOnMove(currentMove);
9667 if (moveType == GameUnfinished) flipView = !flipView;
9668 if (appData.debugMode)
9669 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
9673 case (ChessMove) 0: /* end of file */
9674 if (appData.debugMode)
9675 fprintf(debugFP, "Parser hit end of file\n");
9676 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9682 if (WhiteOnMove(currentMove)) {
9683 GameEnds(BlackWins, "Black mates", GE_FILE);
9685 GameEnds(WhiteWins, "White mates", GE_FILE);
9689 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9696 if (lastLoadGameStart == GNUChessGame) {
9697 /* GNUChessGames have numbers, but they aren't move numbers */
9698 if (appData.debugMode)
9699 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9700 yy_text, (int) moveType);
9701 return LoadGameOneMove((ChessMove)0); /* tail recursion */
9703 /* else fall thru */
9708 /* Reached start of next game in file */
9709 if (appData.debugMode)
9710 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
9711 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9717 if (WhiteOnMove(currentMove)) {
9718 GameEnds(BlackWins, "Black mates", GE_FILE);
9720 GameEnds(WhiteWins, "White mates", GE_FILE);
9724 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9730 case PositionDiagram: /* should not happen; ignore */
9731 case ElapsedTime: /* ignore */
9732 case NAG: /* ignore */
9733 if (appData.debugMode)
9734 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9735 yy_text, (int) moveType);
9736 return LoadGameOneMove((ChessMove)0); /* tail recursion */
9739 if (appData.testLegality) {
9740 if (appData.debugMode)
9741 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
9742 sprintf(move, _("Illegal move: %d.%s%s"),
9743 (forwardMostMove / 2) + 1,
9744 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9745 DisplayError(move, 0);
9748 if (appData.debugMode)
9749 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
9750 yy_text, currentMoveString);
9751 fromX = currentMoveString[0] - AAA;
9752 fromY = currentMoveString[1] - ONE;
9753 toX = currentMoveString[2] - AAA;
9754 toY = currentMoveString[3] - ONE;
9755 promoChar = currentMoveString[4];
9760 if (appData.debugMode)
9761 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
9762 sprintf(move, _("Ambiguous move: %d.%s%s"),
9763 (forwardMostMove / 2) + 1,
9764 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9765 DisplayError(move, 0);
9770 case ImpossibleMove:
9771 if (appData.debugMode)
9772 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
9773 sprintf(move, _("Illegal move: %d.%s%s"),
9774 (forwardMostMove / 2) + 1,
9775 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9776 DisplayError(move, 0);
9782 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
9783 DrawPosition(FALSE, boards[currentMove]);
9784 DisplayBothClocks();
9785 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
9786 DisplayComment(currentMove - 1, commentList[currentMove]);
9788 (void) StopLoadGameTimer();
9790 cmailOldMove = forwardMostMove;
9793 /* currentMoveString is set as a side-effect of yylex */
9794 strcat(currentMoveString, "\n");
9795 strcpy(moveList[forwardMostMove], currentMoveString);
9797 thinkOutput[0] = NULLCHAR;
9798 MakeMove(fromX, fromY, toX, toY, promoChar);
9799 currentMove = forwardMostMove;
9804 /* Load the nth game from the given file */
9806 LoadGameFromFile(filename, n, title, useList)
9810 /*Boolean*/ int useList;
9815 if (strcmp(filename, "-") == 0) {
9819 f = fopen(filename, "rb");
9821 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9822 DisplayError(buf, errno);
9826 if (fseek(f, 0, 0) == -1) {
9827 /* f is not seekable; probably a pipe */
9830 if (useList && n == 0) {
9831 int error = GameListBuild(f);
9833 DisplayError(_("Cannot build game list"), error);
9834 } else if (!ListEmpty(&gameList) &&
9835 ((ListGame *) gameList.tailPred)->number > 1) {
9836 GameListPopUp(f, title);
9843 return LoadGame(f, n, title, FALSE);
9848 MakeRegisteredMove()
9850 int fromX, fromY, toX, toY;
9852 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9853 switch (cmailMoveType[lastLoadGameNumber - 1]) {
9856 if (appData.debugMode)
9857 fprintf(debugFP, "Restoring %s for game %d\n",
9858 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
9860 thinkOutput[0] = NULLCHAR;
9861 strcpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1]);
9862 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
9863 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
9864 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
9865 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
9866 promoChar = cmailMove[lastLoadGameNumber - 1][4];
9867 MakeMove(fromX, fromY, toX, toY, promoChar);
9868 ShowMove(fromX, fromY, toX, toY);
9870 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9877 if (WhiteOnMove(currentMove)) {
9878 GameEnds(BlackWins, "Black mates", GE_PLAYER);
9880 GameEnds(WhiteWins, "White mates", GE_PLAYER);
9885 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
9892 if (WhiteOnMove(currentMove)) {
9893 GameEnds(BlackWins, "White resigns", GE_PLAYER);
9895 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
9900 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
9911 /* Wrapper around LoadGame for use when a Cmail message is loaded */
9913 CmailLoadGame(f, gameNumber, title, useList)
9921 if (gameNumber > nCmailGames) {
9922 DisplayError(_("No more games in this message"), 0);
9925 if (f == lastLoadGameFP) {
9926 int offset = gameNumber - lastLoadGameNumber;
9928 cmailMsg[0] = NULLCHAR;
9929 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9930 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
9931 nCmailMovesRegistered--;
9933 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
9934 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
9935 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
9938 if (! RegisterMove()) return FALSE;
9942 retVal = LoadGame(f, gameNumber, title, useList);
9944 /* Make move registered during previous look at this game, if any */
9945 MakeRegisteredMove();
9947 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
9948 commentList[currentMove]
9949 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
9950 DisplayComment(currentMove - 1, commentList[currentMove]);
9956 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
9961 int gameNumber = lastLoadGameNumber + offset;
9962 if (lastLoadGameFP == NULL) {
9963 DisplayError(_("No game has been loaded yet"), 0);
9966 if (gameNumber <= 0) {
9967 DisplayError(_("Can't back up any further"), 0);
9970 if (cmailMsgLoaded) {
9971 return CmailLoadGame(lastLoadGameFP, gameNumber,
9972 lastLoadGameTitle, lastLoadGameUseList);
9974 return LoadGame(lastLoadGameFP, gameNumber,
9975 lastLoadGameTitle, lastLoadGameUseList);
9981 /* Load the nth game from open file f */
9983 LoadGame(f, gameNumber, title, useList)
9991 int gn = gameNumber;
9992 ListGame *lg = NULL;
9995 GameMode oldGameMode;
9996 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
9998 if (appData.debugMode)
9999 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
10001 if (gameMode == Training )
10002 SetTrainingModeOff();
10004 oldGameMode = gameMode;
10005 if (gameMode != BeginningOfGame) {
10006 Reset(FALSE, TRUE);
10010 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
10011 fclose(lastLoadGameFP);
10015 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
10018 fseek(f, lg->offset, 0);
10019 GameListHighlight(gameNumber);
10023 DisplayError(_("Game number out of range"), 0);
10028 if (fseek(f, 0, 0) == -1) {
10029 if (f == lastLoadGameFP ?
10030 gameNumber == lastLoadGameNumber + 1 :
10034 DisplayError(_("Can't seek on game file"), 0);
10039 lastLoadGameFP = f;
10040 lastLoadGameNumber = gameNumber;
10041 strcpy(lastLoadGameTitle, title);
10042 lastLoadGameUseList = useList;
10046 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
10047 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
10048 lg->gameInfo.black);
10050 } else if (*title != NULLCHAR) {
10051 if (gameNumber > 1) {
10052 sprintf(buf, "%s %d", title, gameNumber);
10055 DisplayTitle(title);
10059 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
10060 gameMode = PlayFromGameFile;
10064 currentMove = forwardMostMove = backwardMostMove = 0;
10065 CopyBoard(boards[0], initialPosition);
10069 * Skip the first gn-1 games in the file.
10070 * Also skip over anything that precedes an identifiable
10071 * start of game marker, to avoid being confused by
10072 * garbage at the start of the file. Currently
10073 * recognized start of game markers are the move number "1",
10074 * the pattern "gnuchess .* game", the pattern
10075 * "^[#;%] [^ ]* game file", and a PGN tag block.
10076 * A game that starts with one of the latter two patterns
10077 * will also have a move number 1, possibly
10078 * following a position diagram.
10079 * 5-4-02: Let's try being more lenient and allowing a game to
10080 * start with an unnumbered move. Does that break anything?
10082 cm = lastLoadGameStart = (ChessMove) 0;
10084 yyboardindex = forwardMostMove;
10085 cm = (ChessMove) yylex();
10087 case (ChessMove) 0:
10088 if (cmailMsgLoaded) {
10089 nCmailGames = CMAIL_MAX_GAMES - gn;
10092 DisplayError(_("Game not found in file"), 0);
10099 lastLoadGameStart = cm;
10102 case MoveNumberOne:
10103 switch (lastLoadGameStart) {
10108 case MoveNumberOne:
10109 case (ChessMove) 0:
10110 gn--; /* count this game */
10111 lastLoadGameStart = cm;
10120 switch (lastLoadGameStart) {
10123 case MoveNumberOne:
10124 case (ChessMove) 0:
10125 gn--; /* count this game */
10126 lastLoadGameStart = cm;
10129 lastLoadGameStart = cm; /* game counted already */
10137 yyboardindex = forwardMostMove;
10138 cm = (ChessMove) yylex();
10139 } while (cm == PGNTag || cm == Comment);
10146 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
10147 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
10148 != CMAIL_OLD_RESULT) {
10150 cmailResult[ CMAIL_MAX_GAMES
10151 - gn - 1] = CMAIL_OLD_RESULT;
10157 /* Only a NormalMove can be at the start of a game
10158 * without a position diagram. */
10159 if (lastLoadGameStart == (ChessMove) 0) {
10161 lastLoadGameStart = MoveNumberOne;
10170 if (appData.debugMode)
10171 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
10173 if (cm == XBoardGame) {
10174 /* Skip any header junk before position diagram and/or move 1 */
10176 yyboardindex = forwardMostMove;
10177 cm = (ChessMove) yylex();
10179 if (cm == (ChessMove) 0 ||
10180 cm == GNUChessGame || cm == XBoardGame) {
10181 /* Empty game; pretend end-of-file and handle later */
10182 cm = (ChessMove) 0;
10186 if (cm == MoveNumberOne || cm == PositionDiagram ||
10187 cm == PGNTag || cm == Comment)
10190 } else if (cm == GNUChessGame) {
10191 if (gameInfo.event != NULL) {
10192 free(gameInfo.event);
10194 gameInfo.event = StrSave(yy_text);
10197 startedFromSetupPosition = FALSE;
10198 while (cm == PGNTag) {
10199 if (appData.debugMode)
10200 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
10201 err = ParsePGNTag(yy_text, &gameInfo);
10202 if (!err) numPGNTags++;
10204 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
10205 if(gameInfo.variant != oldVariant) {
10206 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
10207 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
10208 InitPosition(TRUE);
10209 oldVariant = gameInfo.variant;
10210 if (appData.debugMode)
10211 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
10215 if (gameInfo.fen != NULL) {
10216 Board initial_position;
10217 startedFromSetupPosition = TRUE;
10218 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
10220 DisplayError(_("Bad FEN position in file"), 0);
10223 CopyBoard(boards[0], initial_position);
10224 if (blackPlaysFirst) {
10225 currentMove = forwardMostMove = backwardMostMove = 1;
10226 CopyBoard(boards[1], initial_position);
10227 strcpy(moveList[0], "");
10228 strcpy(parseList[0], "");
10229 timeRemaining[0][1] = whiteTimeRemaining;
10230 timeRemaining[1][1] = blackTimeRemaining;
10231 if (commentList[0] != NULL) {
10232 commentList[1] = commentList[0];
10233 commentList[0] = NULL;
10236 currentMove = forwardMostMove = backwardMostMove = 0;
10238 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
10240 initialRulePlies = FENrulePlies;
10241 for( i=0; i< nrCastlingRights; i++ )
10242 initialRights[i] = initial_position[CASTLING][i];
10244 yyboardindex = forwardMostMove;
10245 free(gameInfo.fen);
10246 gameInfo.fen = NULL;
10249 yyboardindex = forwardMostMove;
10250 cm = (ChessMove) yylex();
10252 /* Handle comments interspersed among the tags */
10253 while (cm == Comment) {
10255 if (appData.debugMode)
10256 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10258 AppendComment(currentMove, p, FALSE);
10259 yyboardindex = forwardMostMove;
10260 cm = (ChessMove) yylex();
10264 /* don't rely on existence of Event tag since if game was
10265 * pasted from clipboard the Event tag may not exist
10267 if (numPGNTags > 0){
10269 if (gameInfo.variant == VariantNormal) {
10270 VariantClass v = StringToVariant(gameInfo.event);
10271 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
10272 if(v < VariantShogi) gameInfo.variant = v;
10275 if( appData.autoDisplayTags ) {
10276 tags = PGNTags(&gameInfo);
10277 TagsPopUp(tags, CmailMsg());
10282 /* Make something up, but don't display it now */
10287 if (cm == PositionDiagram) {
10290 Board initial_position;
10292 if (appData.debugMode)
10293 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
10295 if (!startedFromSetupPosition) {
10297 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
10298 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
10308 initial_position[i][j++] = CharToPiece(*p);
10311 while (*p == ' ' || *p == '\t' ||
10312 *p == '\n' || *p == '\r') p++;
10314 if (strncmp(p, "black", strlen("black"))==0)
10315 blackPlaysFirst = TRUE;
10317 blackPlaysFirst = FALSE;
10318 startedFromSetupPosition = TRUE;
10320 CopyBoard(boards[0], initial_position);
10321 if (blackPlaysFirst) {
10322 currentMove = forwardMostMove = backwardMostMove = 1;
10323 CopyBoard(boards[1], initial_position);
10324 strcpy(moveList[0], "");
10325 strcpy(parseList[0], "");
10326 timeRemaining[0][1] = whiteTimeRemaining;
10327 timeRemaining[1][1] = blackTimeRemaining;
10328 if (commentList[0] != NULL) {
10329 commentList[1] = commentList[0];
10330 commentList[0] = NULL;
10333 currentMove = forwardMostMove = backwardMostMove = 0;
10336 yyboardindex = forwardMostMove;
10337 cm = (ChessMove) yylex();
10340 if (first.pr == NoProc) {
10341 StartChessProgram(&first);
10343 InitChessProgram(&first, FALSE);
10344 SendToProgram("force\n", &first);
10345 if (startedFromSetupPosition) {
10346 SendBoard(&first, forwardMostMove);
10347 if (appData.debugMode) {
10348 fprintf(debugFP, "Load Game\n");
10350 DisplayBothClocks();
10353 /* [HGM] server: flag to write setup moves in broadcast file as one */
10354 loadFlag = appData.suppressLoadMoves;
10356 while (cm == Comment) {
10358 if (appData.debugMode)
10359 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10361 AppendComment(currentMove, p, FALSE);
10362 yyboardindex = forwardMostMove;
10363 cm = (ChessMove) yylex();
10366 if ((cm == (ChessMove) 0 && lastLoadGameStart != (ChessMove) 0) ||
10367 cm == WhiteWins || cm == BlackWins ||
10368 cm == GameIsDrawn || cm == GameUnfinished) {
10369 DisplayMessage("", _("No moves in game"));
10370 if (cmailMsgLoaded) {
10371 if (appData.debugMode)
10372 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
10376 DrawPosition(FALSE, boards[currentMove]);
10377 DisplayBothClocks();
10378 gameMode = EditGame;
10385 // [HGM] PV info: routine tests if comment empty
10386 if (!matchMode && (pausing || appData.timeDelay != 0)) {
10387 DisplayComment(currentMove - 1, commentList[currentMove]);
10389 if (!matchMode && appData.timeDelay != 0)
10390 DrawPosition(FALSE, boards[currentMove]);
10392 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
10393 programStats.ok_to_send = 1;
10396 /* if the first token after the PGN tags is a move
10397 * and not move number 1, retrieve it from the parser
10399 if (cm != MoveNumberOne)
10400 LoadGameOneMove(cm);
10402 /* load the remaining moves from the file */
10403 while (LoadGameOneMove((ChessMove)0)) {
10404 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10405 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10408 /* rewind to the start of the game */
10409 currentMove = backwardMostMove;
10411 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10413 if (oldGameMode == AnalyzeFile ||
10414 oldGameMode == AnalyzeMode) {
10415 AnalyzeFileEvent();
10418 if (matchMode || appData.timeDelay == 0) {
10420 gameMode = EditGame;
10422 } else if (appData.timeDelay > 0) {
10423 AutoPlayGameLoop();
10426 if (appData.debugMode)
10427 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
10429 loadFlag = 0; /* [HGM] true game starts */
10433 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
10435 ReloadPosition(offset)
10438 int positionNumber = lastLoadPositionNumber + offset;
10439 if (lastLoadPositionFP == NULL) {
10440 DisplayError(_("No position has been loaded yet"), 0);
10443 if (positionNumber <= 0) {
10444 DisplayError(_("Can't back up any further"), 0);
10447 return LoadPosition(lastLoadPositionFP, positionNumber,
10448 lastLoadPositionTitle);
10451 /* Load the nth position from the given file */
10453 LoadPositionFromFile(filename, n, title)
10461 if (strcmp(filename, "-") == 0) {
10462 return LoadPosition(stdin, n, "stdin");
10464 f = fopen(filename, "rb");
10466 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10467 DisplayError(buf, errno);
10470 return LoadPosition(f, n, title);
10475 /* Load the nth position from the given open file, and close it */
10477 LoadPosition(f, positionNumber, title)
10479 int positionNumber;
10482 char *p, line[MSG_SIZ];
10483 Board initial_position;
10484 int i, j, fenMode, pn;
10486 if (gameMode == Training )
10487 SetTrainingModeOff();
10489 if (gameMode != BeginningOfGame) {
10490 Reset(FALSE, TRUE);
10492 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
10493 fclose(lastLoadPositionFP);
10495 if (positionNumber == 0) positionNumber = 1;
10496 lastLoadPositionFP = f;
10497 lastLoadPositionNumber = positionNumber;
10498 strcpy(lastLoadPositionTitle, title);
10499 if (first.pr == NoProc) {
10500 StartChessProgram(&first);
10501 InitChessProgram(&first, FALSE);
10503 pn = positionNumber;
10504 if (positionNumber < 0) {
10505 /* Negative position number means to seek to that byte offset */
10506 if (fseek(f, -positionNumber, 0) == -1) {
10507 DisplayError(_("Can't seek on position file"), 0);
10512 if (fseek(f, 0, 0) == -1) {
10513 if (f == lastLoadPositionFP ?
10514 positionNumber == lastLoadPositionNumber + 1 :
10515 positionNumber == 1) {
10518 DisplayError(_("Can't seek on position file"), 0);
10523 /* See if this file is FEN or old-style xboard */
10524 if (fgets(line, MSG_SIZ, f) == NULL) {
10525 DisplayError(_("Position not found in file"), 0);
10528 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
10529 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
10532 if (fenMode || line[0] == '#') pn--;
10534 /* skip positions before number pn */
10535 if (fgets(line, MSG_SIZ, f) == NULL) {
10537 DisplayError(_("Position not found in file"), 0);
10540 if (fenMode || line[0] == '#') pn--;
10545 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
10546 DisplayError(_("Bad FEN position in file"), 0);
10550 (void) fgets(line, MSG_SIZ, f);
10551 (void) fgets(line, MSG_SIZ, f);
10553 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
10554 (void) fgets(line, MSG_SIZ, f);
10555 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
10558 initial_position[i][j++] = CharToPiece(*p);
10562 blackPlaysFirst = FALSE;
10564 (void) fgets(line, MSG_SIZ, f);
10565 if (strncmp(line, "black", strlen("black"))==0)
10566 blackPlaysFirst = TRUE;
10569 startedFromSetupPosition = TRUE;
10571 SendToProgram("force\n", &first);
10572 CopyBoard(boards[0], initial_position);
10573 if (blackPlaysFirst) {
10574 currentMove = forwardMostMove = backwardMostMove = 1;
10575 strcpy(moveList[0], "");
10576 strcpy(parseList[0], "");
10577 CopyBoard(boards[1], initial_position);
10578 DisplayMessage("", _("Black to play"));
10580 currentMove = forwardMostMove = backwardMostMove = 0;
10581 DisplayMessage("", _("White to play"));
10583 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
10584 SendBoard(&first, forwardMostMove);
10585 if (appData.debugMode) {
10587 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
10588 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
10589 fprintf(debugFP, "Load Position\n");
10592 if (positionNumber > 1) {
10593 sprintf(line, "%s %d", title, positionNumber);
10594 DisplayTitle(line);
10596 DisplayTitle(title);
10598 gameMode = EditGame;
10601 timeRemaining[0][1] = whiteTimeRemaining;
10602 timeRemaining[1][1] = blackTimeRemaining;
10603 DrawPosition(FALSE, boards[currentMove]);
10610 CopyPlayerNameIntoFileName(dest, src)
10613 while (*src != NULLCHAR && *src != ',') {
10618 *(*dest)++ = *src++;
10623 char *DefaultFileName(ext)
10626 static char def[MSG_SIZ];
10629 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
10631 CopyPlayerNameIntoFileName(&p, gameInfo.white);
10633 CopyPlayerNameIntoFileName(&p, gameInfo.black);
10642 /* Save the current game to the given file */
10644 SaveGameToFile(filename, append)
10651 if (strcmp(filename, "-") == 0) {
10652 return SaveGame(stdout, 0, NULL);
10654 f = fopen(filename, append ? "a" : "w");
10656 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10657 DisplayError(buf, errno);
10660 return SaveGame(f, 0, NULL);
10669 static char buf[MSG_SIZ];
10672 p = strchr(str, ' ');
10673 if (p == NULL) return str;
10674 strncpy(buf, str, p - str);
10675 buf[p - str] = NULLCHAR;
10679 #define PGN_MAX_LINE 75
10681 #define PGN_SIDE_WHITE 0
10682 #define PGN_SIDE_BLACK 1
10685 static int FindFirstMoveOutOfBook( int side )
10689 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
10690 int index = backwardMostMove;
10691 int has_book_hit = 0;
10693 if( (index % 2) != side ) {
10697 while( index < forwardMostMove ) {
10698 /* Check to see if engine is in book */
10699 int depth = pvInfoList[index].depth;
10700 int score = pvInfoList[index].score;
10706 else if( score == 0 && depth == 63 ) {
10707 in_book = 1; /* Zappa */
10709 else if( score == 2 && depth == 99 ) {
10710 in_book = 1; /* Abrok */
10713 has_book_hit += in_book;
10729 void GetOutOfBookInfo( char * buf )
10733 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10735 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
10736 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
10740 if( oob[0] >= 0 || oob[1] >= 0 ) {
10741 for( i=0; i<2; i++ ) {
10745 if( i > 0 && oob[0] >= 0 ) {
10746 strcat( buf, " " );
10749 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
10750 sprintf( buf+strlen(buf), "%s%.2f",
10751 pvInfoList[idx].score >= 0 ? "+" : "",
10752 pvInfoList[idx].score / 100.0 );
10758 /* Save game in PGN style and close the file */
10763 int i, offset, linelen, newblock;
10767 int movelen, numlen, blank;
10768 char move_buffer[100]; /* [AS] Buffer for move+PV info */
10770 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10772 tm = time((time_t *) NULL);
10774 PrintPGNTags(f, &gameInfo);
10776 if (backwardMostMove > 0 || startedFromSetupPosition) {
10777 char *fen = PositionToFEN(backwardMostMove, NULL);
10778 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
10779 fprintf(f, "\n{--------------\n");
10780 PrintPosition(f, backwardMostMove);
10781 fprintf(f, "--------------}\n");
10785 /* [AS] Out of book annotation */
10786 if( appData.saveOutOfBookInfo ) {
10789 GetOutOfBookInfo( buf );
10791 if( buf[0] != '\0' ) {
10792 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
10799 i = backwardMostMove;
10803 while (i < forwardMostMove) {
10804 /* Print comments preceding this move */
10805 if (commentList[i] != NULL) {
10806 if (linelen > 0) fprintf(f, "\n");
10807 fprintf(f, "%s", commentList[i]);
10812 /* Format move number */
10813 if ((i % 2) == 0) {
10814 sprintf(numtext, "%d.", (i - offset)/2 + 1);
10817 sprintf(numtext, "%d...", (i - offset)/2 + 1);
10819 numtext[0] = NULLCHAR;
10822 numlen = strlen(numtext);
10825 /* Print move number */
10826 blank = linelen > 0 && numlen > 0;
10827 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
10836 fprintf(f, "%s", numtext);
10840 strcpy(move_buffer, SavePart(parseList[i])); // [HGM] pgn: print move via buffer, so it can be edited
10841 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
10844 blank = linelen > 0 && movelen > 0;
10845 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10854 fprintf(f, "%s", move_buffer);
10855 linelen += movelen;
10857 /* [AS] Add PV info if present */
10858 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
10859 /* [HGM] add time */
10860 char buf[MSG_SIZ]; int seconds;
10862 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
10864 if( seconds <= 0) buf[0] = 0; else
10865 if( seconds < 30 ) sprintf(buf, " %3.1f%c", seconds/10., 0); else {
10866 seconds = (seconds + 4)/10; // round to full seconds
10867 if( seconds < 60 ) sprintf(buf, " %d%c", seconds, 0); else
10868 sprintf(buf, " %d:%02d%c", seconds/60, seconds%60, 0);
10871 sprintf( move_buffer, "{%s%.2f/%d%s}",
10872 pvInfoList[i].score >= 0 ? "+" : "",
10873 pvInfoList[i].score / 100.0,
10874 pvInfoList[i].depth,
10877 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
10879 /* Print score/depth */
10880 blank = linelen > 0 && movelen > 0;
10881 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10890 fprintf(f, "%s", move_buffer);
10891 linelen += movelen;
10897 /* Start a new line */
10898 if (linelen > 0) fprintf(f, "\n");
10900 /* Print comments after last move */
10901 if (commentList[i] != NULL) {
10902 fprintf(f, "%s\n", commentList[i]);
10906 if (gameInfo.resultDetails != NULL &&
10907 gameInfo.resultDetails[0] != NULLCHAR) {
10908 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
10909 PGNResult(gameInfo.result));
10911 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10915 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10919 /* Save game in old style and close the file */
10921 SaveGameOldStyle(f)
10927 tm = time((time_t *) NULL);
10929 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
10932 if (backwardMostMove > 0 || startedFromSetupPosition) {
10933 fprintf(f, "\n[--------------\n");
10934 PrintPosition(f, backwardMostMove);
10935 fprintf(f, "--------------]\n");
10940 i = backwardMostMove;
10941 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10943 while (i < forwardMostMove) {
10944 if (commentList[i] != NULL) {
10945 fprintf(f, "[%s]\n", commentList[i]);
10948 if ((i % 2) == 1) {
10949 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
10952 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
10954 if (commentList[i] != NULL) {
10958 if (i >= forwardMostMove) {
10962 fprintf(f, "%s\n", parseList[i]);
10967 if (commentList[i] != NULL) {
10968 fprintf(f, "[%s]\n", commentList[i]);
10971 /* This isn't really the old style, but it's close enough */
10972 if (gameInfo.resultDetails != NULL &&
10973 gameInfo.resultDetails[0] != NULLCHAR) {
10974 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
10975 gameInfo.resultDetails);
10977 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10984 /* Save the current game to open file f and close the file */
10986 SaveGame(f, dummy, dummy2)
10991 if (gameMode == EditPosition) EditPositionDone(TRUE);
10992 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10993 if (appData.oldSaveStyle)
10994 return SaveGameOldStyle(f);
10996 return SaveGamePGN(f);
10999 /* Save the current position to the given file */
11001 SavePositionToFile(filename)
11007 if (strcmp(filename, "-") == 0) {
11008 return SavePosition(stdout, 0, NULL);
11010 f = fopen(filename, "a");
11012 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11013 DisplayError(buf, errno);
11016 SavePosition(f, 0, NULL);
11022 /* Save the current position to the given open file and close the file */
11024 SavePosition(f, dummy, dummy2)
11032 if (gameMode == EditPosition) EditPositionDone(TRUE);
11033 if (appData.oldSaveStyle) {
11034 tm = time((time_t *) NULL);
11036 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
11038 fprintf(f, "[--------------\n");
11039 PrintPosition(f, currentMove);
11040 fprintf(f, "--------------]\n");
11042 fen = PositionToFEN(currentMove, NULL);
11043 fprintf(f, "%s\n", fen);
11051 ReloadCmailMsgEvent(unregister)
11055 static char *inFilename = NULL;
11056 static char *outFilename;
11058 struct stat inbuf, outbuf;
11061 /* Any registered moves are unregistered if unregister is set, */
11062 /* i.e. invoked by the signal handler */
11064 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11065 cmailMoveRegistered[i] = FALSE;
11066 if (cmailCommentList[i] != NULL) {
11067 free(cmailCommentList[i]);
11068 cmailCommentList[i] = NULL;
11071 nCmailMovesRegistered = 0;
11074 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11075 cmailResult[i] = CMAIL_NOT_RESULT;
11079 if (inFilename == NULL) {
11080 /* Because the filenames are static they only get malloced once */
11081 /* and they never get freed */
11082 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
11083 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
11085 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
11086 sprintf(outFilename, "%s.out", appData.cmailGameName);
11089 status = stat(outFilename, &outbuf);
11091 cmailMailedMove = FALSE;
11093 status = stat(inFilename, &inbuf);
11094 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
11097 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
11098 counts the games, notes how each one terminated, etc.
11100 It would be nice to remove this kludge and instead gather all
11101 the information while building the game list. (And to keep it
11102 in the game list nodes instead of having a bunch of fixed-size
11103 parallel arrays.) Note this will require getting each game's
11104 termination from the PGN tags, as the game list builder does
11105 not process the game moves. --mann
11107 cmailMsgLoaded = TRUE;
11108 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
11110 /* Load first game in the file or popup game menu */
11111 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
11113 #endif /* !WIN32 */
11121 char string[MSG_SIZ];
11123 if ( cmailMailedMove
11124 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
11125 return TRUE; /* Allow free viewing */
11128 /* Unregister move to ensure that we don't leave RegisterMove */
11129 /* with the move registered when the conditions for registering no */
11131 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11132 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11133 nCmailMovesRegistered --;
11135 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
11137 free(cmailCommentList[lastLoadGameNumber - 1]);
11138 cmailCommentList[lastLoadGameNumber - 1] = NULL;
11142 if (cmailOldMove == -1) {
11143 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
11147 if (currentMove > cmailOldMove + 1) {
11148 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
11152 if (currentMove < cmailOldMove) {
11153 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
11157 if (forwardMostMove > currentMove) {
11158 /* Silently truncate extra moves */
11162 if ( (currentMove == cmailOldMove + 1)
11163 || ( (currentMove == cmailOldMove)
11164 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
11165 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
11166 if (gameInfo.result != GameUnfinished) {
11167 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
11170 if (commentList[currentMove] != NULL) {
11171 cmailCommentList[lastLoadGameNumber - 1]
11172 = StrSave(commentList[currentMove]);
11174 strcpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1]);
11176 if (appData.debugMode)
11177 fprintf(debugFP, "Saving %s for game %d\n",
11178 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11181 "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
11183 f = fopen(string, "w");
11184 if (appData.oldSaveStyle) {
11185 SaveGameOldStyle(f); /* also closes the file */
11187 sprintf(string, "%s.pos.out", appData.cmailGameName);
11188 f = fopen(string, "w");
11189 SavePosition(f, 0, NULL); /* also closes the file */
11191 fprintf(f, "{--------------\n");
11192 PrintPosition(f, currentMove);
11193 fprintf(f, "--------------}\n\n");
11195 SaveGame(f, 0, NULL); /* also closes the file*/
11198 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
11199 nCmailMovesRegistered ++;
11200 } else if (nCmailGames == 1) {
11201 DisplayError(_("You have not made a move yet"), 0);
11212 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
11213 FILE *commandOutput;
11214 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
11215 int nBytes = 0; /* Suppress warnings on uninitialized variables */
11221 if (! cmailMsgLoaded) {
11222 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
11226 if (nCmailGames == nCmailResults) {
11227 DisplayError(_("No unfinished games"), 0);
11231 #if CMAIL_PROHIBIT_REMAIL
11232 if (cmailMailedMove) {
11233 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);
11234 DisplayError(msg, 0);
11239 if (! (cmailMailedMove || RegisterMove())) return;
11241 if ( cmailMailedMove
11242 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
11243 sprintf(string, partCommandString,
11244 appData.debugMode ? " -v" : "", appData.cmailGameName);
11245 commandOutput = popen(string, "r");
11247 if (commandOutput == NULL) {
11248 DisplayError(_("Failed to invoke cmail"), 0);
11250 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
11251 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
11253 if (nBuffers > 1) {
11254 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
11255 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
11256 nBytes = MSG_SIZ - 1;
11258 (void) memcpy(msg, buffer, nBytes);
11260 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
11262 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
11263 cmailMailedMove = TRUE; /* Prevent >1 moves */
11266 for (i = 0; i < nCmailGames; i ++) {
11267 if (cmailResult[i] == CMAIL_NOT_RESULT) {
11272 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
11274 sprintf(buffer, "%s/%s.%s.archive",
11276 appData.cmailGameName,
11278 LoadGameFromFile(buffer, 1, buffer, FALSE);
11279 cmailMsgLoaded = FALSE;
11283 DisplayInformation(msg);
11284 pclose(commandOutput);
11287 if ((*cmailMsg) != '\0') {
11288 DisplayInformation(cmailMsg);
11293 #endif /* !WIN32 */
11302 int prependComma = 0;
11304 char string[MSG_SIZ]; /* Space for game-list */
11307 if (!cmailMsgLoaded) return "";
11309 if (cmailMailedMove) {
11310 sprintf(cmailMsg, _("Waiting for reply from opponent\n"));
11312 /* Create a list of games left */
11313 sprintf(string, "[");
11314 for (i = 0; i < nCmailGames; i ++) {
11315 if (! ( cmailMoveRegistered[i]
11316 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
11317 if (prependComma) {
11318 sprintf(number, ",%d", i + 1);
11320 sprintf(number, "%d", i + 1);
11324 strcat(string, number);
11327 strcat(string, "]");
11329 if (nCmailMovesRegistered + nCmailResults == 0) {
11330 switch (nCmailGames) {
11333 _("Still need to make move for game\n"));
11338 _("Still need to make moves for both games\n"));
11343 _("Still need to make moves for all %d games\n"),
11348 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
11351 _("Still need to make a move for game %s\n"),
11356 if (nCmailResults == nCmailGames) {
11357 sprintf(cmailMsg, _("No unfinished games\n"));
11359 sprintf(cmailMsg, _("Ready to send mail\n"));
11365 _("Still need to make moves for games %s\n"),
11377 if (gameMode == Training)
11378 SetTrainingModeOff();
11381 cmailMsgLoaded = FALSE;
11382 if (appData.icsActive) {
11383 SendToICS(ics_prefix);
11384 SendToICS("refresh\n");
11394 /* Give up on clean exit */
11398 /* Keep trying for clean exit */
11402 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
11404 if (telnetISR != NULL) {
11405 RemoveInputSource(telnetISR);
11407 if (icsPR != NoProc) {
11408 DestroyChildProcess(icsPR, TRUE);
11411 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
11412 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
11414 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
11415 /* make sure this other one finishes before killing it! */
11416 if(endingGame) { int count = 0;
11417 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
11418 while(endingGame && count++ < 10) DoSleep(1);
11419 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
11422 /* Kill off chess programs */
11423 if (first.pr != NoProc) {
11426 DoSleep( appData.delayBeforeQuit );
11427 SendToProgram("quit\n", &first);
11428 DoSleep( appData.delayAfterQuit );
11429 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
11431 if (second.pr != NoProc) {
11432 DoSleep( appData.delayBeforeQuit );
11433 SendToProgram("quit\n", &second);
11434 DoSleep( appData.delayAfterQuit );
11435 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
11437 if (first.isr != NULL) {
11438 RemoveInputSource(first.isr);
11440 if (second.isr != NULL) {
11441 RemoveInputSource(second.isr);
11444 ShutDownFrontEnd();
11451 if (appData.debugMode)
11452 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
11456 if (gameMode == MachinePlaysWhite ||
11457 gameMode == MachinePlaysBlack) {
11460 DisplayBothClocks();
11462 if (gameMode == PlayFromGameFile) {
11463 if (appData.timeDelay >= 0)
11464 AutoPlayGameLoop();
11465 } else if (gameMode == IcsExamining && pauseExamInvalid) {
11466 Reset(FALSE, TRUE);
11467 SendToICS(ics_prefix);
11468 SendToICS("refresh\n");
11469 } else if (currentMove < forwardMostMove) {
11470 ForwardInner(forwardMostMove);
11472 pauseExamInvalid = FALSE;
11474 switch (gameMode) {
11478 pauseExamForwardMostMove = forwardMostMove;
11479 pauseExamInvalid = FALSE;
11482 case IcsPlayingWhite:
11483 case IcsPlayingBlack:
11487 case PlayFromGameFile:
11488 (void) StopLoadGameTimer();
11492 case BeginningOfGame:
11493 if (appData.icsActive) return;
11494 /* else fall through */
11495 case MachinePlaysWhite:
11496 case MachinePlaysBlack:
11497 case TwoMachinesPlay:
11498 if (forwardMostMove == 0)
11499 return; /* don't pause if no one has moved */
11500 if ((gameMode == MachinePlaysWhite &&
11501 !WhiteOnMove(forwardMostMove)) ||
11502 (gameMode == MachinePlaysBlack &&
11503 WhiteOnMove(forwardMostMove))) {
11516 char title[MSG_SIZ];
11518 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
11519 strcpy(title, _("Edit comment"));
11521 sprintf(title, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
11522 WhiteOnMove(currentMove - 1) ? " " : ".. ",
11523 parseList[currentMove - 1]);
11526 EditCommentPopUp(currentMove, title, commentList[currentMove]);
11533 char *tags = PGNTags(&gameInfo);
11534 EditTagsPopUp(tags);
11541 if (appData.noChessProgram || gameMode == AnalyzeMode)
11544 if (gameMode != AnalyzeFile) {
11545 if (!appData.icsEngineAnalyze) {
11547 if (gameMode != EditGame) return;
11549 ResurrectChessProgram();
11550 SendToProgram("analyze\n", &first);
11551 first.analyzing = TRUE;
11552 /*first.maybeThinking = TRUE;*/
11553 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11554 EngineOutputPopUp();
11556 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
11561 StartAnalysisClock();
11562 GetTimeMark(&lastNodeCountTime);
11569 if (appData.noChessProgram || gameMode == AnalyzeFile)
11572 if (gameMode != AnalyzeMode) {
11574 if (gameMode != EditGame) return;
11575 ResurrectChessProgram();
11576 SendToProgram("analyze\n", &first);
11577 first.analyzing = TRUE;
11578 /*first.maybeThinking = TRUE;*/
11579 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11580 EngineOutputPopUp();
11582 gameMode = AnalyzeFile;
11587 StartAnalysisClock();
11588 GetTimeMark(&lastNodeCountTime);
11593 MachineWhiteEvent()
11596 char *bookHit = NULL;
11598 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
11602 if (gameMode == PlayFromGameFile ||
11603 gameMode == TwoMachinesPlay ||
11604 gameMode == Training ||
11605 gameMode == AnalyzeMode ||
11606 gameMode == EndOfGame)
11609 if (gameMode == EditPosition)
11610 EditPositionDone(TRUE);
11612 if (!WhiteOnMove(currentMove)) {
11613 DisplayError(_("It is not White's turn"), 0);
11617 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11620 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11621 gameMode == AnalyzeFile)
11624 ResurrectChessProgram(); /* in case it isn't running */
11625 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
11626 gameMode = MachinePlaysWhite;
11629 gameMode = MachinePlaysWhite;
11633 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11635 if (first.sendName) {
11636 sprintf(buf, "name %s\n", gameInfo.black);
11637 SendToProgram(buf, &first);
11639 if (first.sendTime) {
11640 if (first.useColors) {
11641 SendToProgram("black\n", &first); /*gnu kludge*/
11643 SendTimeRemaining(&first, TRUE);
11645 if (first.useColors) {
11646 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
11648 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11649 SetMachineThinkingEnables();
11650 first.maybeThinking = TRUE;
11654 if (appData.autoFlipView && !flipView) {
11655 flipView = !flipView;
11656 DrawPosition(FALSE, NULL);
11657 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11660 if(bookHit) { // [HGM] book: simulate book reply
11661 static char bookMove[MSG_SIZ]; // a bit generous?
11663 programStats.nodes = programStats.depth = programStats.time =
11664 programStats.score = programStats.got_only_move = 0;
11665 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11667 strcpy(bookMove, "move ");
11668 strcat(bookMove, bookHit);
11669 HandleMachineMove(bookMove, &first);
11674 MachineBlackEvent()
11677 char *bookHit = NULL;
11679 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
11683 if (gameMode == PlayFromGameFile ||
11684 gameMode == TwoMachinesPlay ||
11685 gameMode == Training ||
11686 gameMode == AnalyzeMode ||
11687 gameMode == EndOfGame)
11690 if (gameMode == EditPosition)
11691 EditPositionDone(TRUE);
11693 if (WhiteOnMove(currentMove)) {
11694 DisplayError(_("It is not Black's turn"), 0);
11698 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11701 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11702 gameMode == AnalyzeFile)
11705 ResurrectChessProgram(); /* in case it isn't running */
11706 gameMode = MachinePlaysBlack;
11710 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11712 if (first.sendName) {
11713 sprintf(buf, "name %s\n", gameInfo.white);
11714 SendToProgram(buf, &first);
11716 if (first.sendTime) {
11717 if (first.useColors) {
11718 SendToProgram("white\n", &first); /*gnu kludge*/
11720 SendTimeRemaining(&first, FALSE);
11722 if (first.useColors) {
11723 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
11725 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11726 SetMachineThinkingEnables();
11727 first.maybeThinking = TRUE;
11730 if (appData.autoFlipView && flipView) {
11731 flipView = !flipView;
11732 DrawPosition(FALSE, NULL);
11733 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11735 if(bookHit) { // [HGM] book: simulate book reply
11736 static char bookMove[MSG_SIZ]; // a bit generous?
11738 programStats.nodes = programStats.depth = programStats.time =
11739 programStats.score = programStats.got_only_move = 0;
11740 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11742 strcpy(bookMove, "move ");
11743 strcat(bookMove, bookHit);
11744 HandleMachineMove(bookMove, &first);
11750 DisplayTwoMachinesTitle()
11753 if (appData.matchGames > 0) {
11754 if (first.twoMachinesColor[0] == 'w') {
11755 sprintf(buf, "%s vs. %s (%d-%d-%d)",
11756 gameInfo.white, gameInfo.black,
11757 first.matchWins, second.matchWins,
11758 matchGame - 1 - (first.matchWins + second.matchWins));
11760 sprintf(buf, "%s vs. %s (%d-%d-%d)",
11761 gameInfo.white, gameInfo.black,
11762 second.matchWins, first.matchWins,
11763 matchGame - 1 - (first.matchWins + second.matchWins));
11766 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11772 TwoMachinesEvent P((void))
11776 ChessProgramState *onmove;
11777 char *bookHit = NULL;
11779 if (appData.noChessProgram) return;
11781 switch (gameMode) {
11782 case TwoMachinesPlay:
11784 case MachinePlaysWhite:
11785 case MachinePlaysBlack:
11786 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11787 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11791 case BeginningOfGame:
11792 case PlayFromGameFile:
11795 if (gameMode != EditGame) return;
11798 EditPositionDone(TRUE);
11809 // forwardMostMove = currentMove;
11810 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
11811 ResurrectChessProgram(); /* in case first program isn't running */
11813 if (second.pr == NULL) {
11814 StartChessProgram(&second);
11815 if (second.protocolVersion == 1) {
11816 TwoMachinesEventIfReady();
11818 /* kludge: allow timeout for initial "feature" command */
11820 DisplayMessage("", _("Starting second chess program"));
11821 ScheduleDelayedEvent(TwoMachinesEventIfReady, FEATURE_TIMEOUT);
11825 DisplayMessage("", "");
11826 InitChessProgram(&second, FALSE);
11827 SendToProgram("force\n", &second);
11828 if (startedFromSetupPosition) {
11829 SendBoard(&second, backwardMostMove);
11830 if (appData.debugMode) {
11831 fprintf(debugFP, "Two Machines\n");
11834 for (i = backwardMostMove; i < forwardMostMove; i++) {
11835 SendMoveToProgram(i, &second);
11838 gameMode = TwoMachinesPlay;
11842 DisplayTwoMachinesTitle();
11844 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
11850 SendToProgram(first.computerString, &first);
11851 if (first.sendName) {
11852 sprintf(buf, "name %s\n", second.tidy);
11853 SendToProgram(buf, &first);
11855 SendToProgram(second.computerString, &second);
11856 if (second.sendName) {
11857 sprintf(buf, "name %s\n", first.tidy);
11858 SendToProgram(buf, &second);
11862 if (!first.sendTime || !second.sendTime) {
11863 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11864 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11866 if (onmove->sendTime) {
11867 if (onmove->useColors) {
11868 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
11870 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
11872 if (onmove->useColors) {
11873 SendToProgram(onmove->twoMachinesColor, onmove);
11875 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
11876 // SendToProgram("go\n", onmove);
11877 onmove->maybeThinking = TRUE;
11878 SetMachineThinkingEnables();
11882 if(bookHit) { // [HGM] book: simulate book reply
11883 static char bookMove[MSG_SIZ]; // a bit generous?
11885 programStats.nodes = programStats.depth = programStats.time =
11886 programStats.score = programStats.got_only_move = 0;
11887 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11889 strcpy(bookMove, "move ");
11890 strcat(bookMove, bookHit);
11891 savedMessage = bookMove; // args for deferred call
11892 savedState = onmove;
11893 ScheduleDelayedEvent(DeferredBookMove, 1);
11900 if (gameMode == Training) {
11901 SetTrainingModeOff();
11902 gameMode = PlayFromGameFile;
11903 DisplayMessage("", _("Training mode off"));
11905 gameMode = Training;
11906 animateTraining = appData.animate;
11908 /* make sure we are not already at the end of the game */
11909 if (currentMove < forwardMostMove) {
11910 SetTrainingModeOn();
11911 DisplayMessage("", _("Training mode on"));
11913 gameMode = PlayFromGameFile;
11914 DisplayError(_("Already at end of game"), 0);
11923 if (!appData.icsActive) return;
11924 switch (gameMode) {
11925 case IcsPlayingWhite:
11926 case IcsPlayingBlack:
11929 case BeginningOfGame:
11937 EditPositionDone(TRUE);
11950 gameMode = IcsIdle;
11961 switch (gameMode) {
11963 SetTrainingModeOff();
11965 case MachinePlaysWhite:
11966 case MachinePlaysBlack:
11967 case BeginningOfGame:
11968 SendToProgram("force\n", &first);
11969 SetUserThinkingEnables();
11971 case PlayFromGameFile:
11972 (void) StopLoadGameTimer();
11973 if (gameFileFP != NULL) {
11978 EditPositionDone(TRUE);
11983 SendToProgram("force\n", &first);
11985 case TwoMachinesPlay:
11986 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
11987 ResurrectChessProgram();
11988 SetUserThinkingEnables();
11991 ResurrectChessProgram();
11993 case IcsPlayingBlack:
11994 case IcsPlayingWhite:
11995 DisplayError(_("Warning: You are still playing a game"), 0);
11998 DisplayError(_("Warning: You are still observing a game"), 0);
12001 DisplayError(_("Warning: You are still examining a game"), 0);
12012 first.offeredDraw = second.offeredDraw = 0;
12014 if (gameMode == PlayFromGameFile) {
12015 whiteTimeRemaining = timeRemaining[0][currentMove];
12016 blackTimeRemaining = timeRemaining[1][currentMove];
12020 if (gameMode == MachinePlaysWhite ||
12021 gameMode == MachinePlaysBlack ||
12022 gameMode == TwoMachinesPlay ||
12023 gameMode == EndOfGame) {
12024 i = forwardMostMove;
12025 while (i > currentMove) {
12026 SendToProgram("undo\n", &first);
12029 whiteTimeRemaining = timeRemaining[0][currentMove];
12030 blackTimeRemaining = timeRemaining[1][currentMove];
12031 DisplayBothClocks();
12032 if (whiteFlag || blackFlag) {
12033 whiteFlag = blackFlag = 0;
12038 gameMode = EditGame;
12045 EditPositionEvent()
12047 if (gameMode == EditPosition) {
12053 if (gameMode != EditGame) return;
12055 gameMode = EditPosition;
12058 if (currentMove > 0)
12059 CopyBoard(boards[0], boards[currentMove]);
12061 blackPlaysFirst = !WhiteOnMove(currentMove);
12063 currentMove = forwardMostMove = backwardMostMove = 0;
12064 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12071 /* [DM] icsEngineAnalyze - possible call from other functions */
12072 if (appData.icsEngineAnalyze) {
12073 appData.icsEngineAnalyze = FALSE;
12075 DisplayMessage("",_("Close ICS engine analyze..."));
12077 if (first.analysisSupport && first.analyzing) {
12078 SendToProgram("exit\n", &first);
12079 first.analyzing = FALSE;
12081 thinkOutput[0] = NULLCHAR;
12085 EditPositionDone(Boolean fakeRights)
12087 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
12089 startedFromSetupPosition = TRUE;
12090 InitChessProgram(&first, FALSE);
12091 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
12092 boards[0][EP_STATUS] = EP_NONE;
12093 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
12094 if(boards[0][0][BOARD_WIDTH>>1] == king) {
12095 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
12096 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
12097 } else boards[0][CASTLING][2] = NoRights;
12098 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
12099 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
12100 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
12101 } else boards[0][CASTLING][5] = NoRights;
12103 SendToProgram("force\n", &first);
12104 if (blackPlaysFirst) {
12105 strcpy(moveList[0], "");
12106 strcpy(parseList[0], "");
12107 currentMove = forwardMostMove = backwardMostMove = 1;
12108 CopyBoard(boards[1], boards[0]);
12110 currentMove = forwardMostMove = backwardMostMove = 0;
12112 SendBoard(&first, forwardMostMove);
12113 if (appData.debugMode) {
12114 fprintf(debugFP, "EditPosDone\n");
12117 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12118 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12119 gameMode = EditGame;
12121 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12122 ClearHighlights(); /* [AS] */
12125 /* Pause for `ms' milliseconds */
12126 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12136 } while (SubtractTimeMarks(&m2, &m1) < ms);
12139 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12141 SendMultiLineToICS(buf)
12144 char temp[MSG_SIZ+1], *p;
12151 strncpy(temp, buf, len);
12156 if (*p == '\n' || *p == '\r')
12161 strcat(temp, "\n");
12163 SendToPlayer(temp, strlen(temp));
12167 SetWhiteToPlayEvent()
12169 if (gameMode == EditPosition) {
12170 blackPlaysFirst = FALSE;
12171 DisplayBothClocks(); /* works because currentMove is 0 */
12172 } else if (gameMode == IcsExamining) {
12173 SendToICS(ics_prefix);
12174 SendToICS("tomove white\n");
12179 SetBlackToPlayEvent()
12181 if (gameMode == EditPosition) {
12182 blackPlaysFirst = TRUE;
12183 currentMove = 1; /* kludge */
12184 DisplayBothClocks();
12186 } else if (gameMode == IcsExamining) {
12187 SendToICS(ics_prefix);
12188 SendToICS("tomove black\n");
12193 EditPositionMenuEvent(selection, x, y)
12194 ChessSquare selection;
12198 ChessSquare piece = boards[0][y][x];
12200 if (gameMode != EditPosition && gameMode != IcsExamining) return;
12202 switch (selection) {
12204 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
12205 SendToICS(ics_prefix);
12206 SendToICS("bsetup clear\n");
12207 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
12208 SendToICS(ics_prefix);
12209 SendToICS("clearboard\n");
12211 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
12212 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
12213 for (y = 0; y < BOARD_HEIGHT; y++) {
12214 if (gameMode == IcsExamining) {
12215 if (boards[currentMove][y][x] != EmptySquare) {
12216 sprintf(buf, "%sx@%c%c\n", ics_prefix,
12221 boards[0][y][x] = p;
12226 if (gameMode == EditPosition) {
12227 DrawPosition(FALSE, boards[0]);
12232 SetWhiteToPlayEvent();
12236 SetBlackToPlayEvent();
12240 if (gameMode == IcsExamining) {
12241 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12242 sprintf(buf, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
12245 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12246 if(x == BOARD_LEFT-2) {
12247 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
12248 boards[0][y][1] = 0;
12250 if(x == BOARD_RGHT+1) {
12251 if(y >= gameInfo.holdingsSize) break;
12252 boards[0][y][BOARD_WIDTH-2] = 0;
12255 boards[0][y][x] = EmptySquare;
12256 DrawPosition(FALSE, boards[0]);
12261 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
12262 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
12263 selection = (ChessSquare) (PROMOTED piece);
12264 } else if(piece == EmptySquare) selection = WhiteSilver;
12265 else selection = (ChessSquare)((int)piece - 1);
12269 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
12270 piece > (int)BlackMan && piece <= (int)BlackKing ) {
12271 selection = (ChessSquare) (DEMOTED piece);
12272 } else if(piece == EmptySquare) selection = BlackSilver;
12273 else selection = (ChessSquare)((int)piece + 1);
12278 if(gameInfo.variant == VariantShatranj ||
12279 gameInfo.variant == VariantXiangqi ||
12280 gameInfo.variant == VariantCourier ||
12281 gameInfo.variant == VariantMakruk )
12282 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
12287 if(gameInfo.variant == VariantXiangqi)
12288 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
12289 if(gameInfo.variant == VariantKnightmate)
12290 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
12293 if (gameMode == IcsExamining) {
12294 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12295 sprintf(buf, "%s%c@%c%c\n", ics_prefix,
12296 PieceToChar(selection), AAA + x, ONE + y);
12299 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12301 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
12302 n = PieceToNumber(selection - BlackPawn);
12303 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
12304 boards[0][BOARD_HEIGHT-1-n][0] = selection;
12305 boards[0][BOARD_HEIGHT-1-n][1]++;
12307 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
12308 n = PieceToNumber(selection);
12309 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
12310 boards[0][n][BOARD_WIDTH-1] = selection;
12311 boards[0][n][BOARD_WIDTH-2]++;
12314 boards[0][y][x] = selection;
12315 DrawPosition(TRUE, boards[0]);
12323 DropMenuEvent(selection, x, y)
12324 ChessSquare selection;
12327 ChessMove moveType;
12329 switch (gameMode) {
12330 case IcsPlayingWhite:
12331 case MachinePlaysBlack:
12332 if (!WhiteOnMove(currentMove)) {
12333 DisplayMoveError(_("It is Black's turn"));
12336 moveType = WhiteDrop;
12338 case IcsPlayingBlack:
12339 case MachinePlaysWhite:
12340 if (WhiteOnMove(currentMove)) {
12341 DisplayMoveError(_("It is White's turn"));
12344 moveType = BlackDrop;
12347 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
12353 if (moveType == BlackDrop && selection < BlackPawn) {
12354 selection = (ChessSquare) ((int) selection
12355 + (int) BlackPawn - (int) WhitePawn);
12357 if (boards[currentMove][y][x] != EmptySquare) {
12358 DisplayMoveError(_("That square is occupied"));
12362 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
12368 /* Accept a pending offer of any kind from opponent */
12370 if (appData.icsActive) {
12371 SendToICS(ics_prefix);
12372 SendToICS("accept\n");
12373 } else if (cmailMsgLoaded) {
12374 if (currentMove == cmailOldMove &&
12375 commentList[cmailOldMove] != NULL &&
12376 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12377 "Black offers a draw" : "White offers a draw")) {
12379 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12380 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12382 DisplayError(_("There is no pending offer on this move"), 0);
12383 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12386 /* Not used for offers from chess program */
12393 /* Decline a pending offer of any kind from opponent */
12395 if (appData.icsActive) {
12396 SendToICS(ics_prefix);
12397 SendToICS("decline\n");
12398 } else if (cmailMsgLoaded) {
12399 if (currentMove == cmailOldMove &&
12400 commentList[cmailOldMove] != NULL &&
12401 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12402 "Black offers a draw" : "White offers a draw")) {
12404 AppendComment(cmailOldMove, "Draw declined", TRUE);
12405 DisplayComment(cmailOldMove - 1, "Draw declined");
12408 DisplayError(_("There is no pending offer on this move"), 0);
12411 /* Not used for offers from chess program */
12418 /* Issue ICS rematch command */
12419 if (appData.icsActive) {
12420 SendToICS(ics_prefix);
12421 SendToICS("rematch\n");
12428 /* Call your opponent's flag (claim a win on time) */
12429 if (appData.icsActive) {
12430 SendToICS(ics_prefix);
12431 SendToICS("flag\n");
12433 switch (gameMode) {
12436 case MachinePlaysWhite:
12439 GameEnds(GameIsDrawn, "Both players ran out of time",
12442 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
12444 DisplayError(_("Your opponent is not out of time"), 0);
12447 case MachinePlaysBlack:
12450 GameEnds(GameIsDrawn, "Both players ran out of time",
12453 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
12455 DisplayError(_("Your opponent is not out of time"), 0);
12465 /* Offer draw or accept pending draw offer from opponent */
12467 if (appData.icsActive) {
12468 /* Note: tournament rules require draw offers to be
12469 made after you make your move but before you punch
12470 your clock. Currently ICS doesn't let you do that;
12471 instead, you immediately punch your clock after making
12472 a move, but you can offer a draw at any time. */
12474 SendToICS(ics_prefix);
12475 SendToICS("draw\n");
12476 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
12477 } else if (cmailMsgLoaded) {
12478 if (currentMove == cmailOldMove &&
12479 commentList[cmailOldMove] != NULL &&
12480 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12481 "Black offers a draw" : "White offers a draw")) {
12482 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12483 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12484 } else if (currentMove == cmailOldMove + 1) {
12485 char *offer = WhiteOnMove(cmailOldMove) ?
12486 "White offers a draw" : "Black offers a draw";
12487 AppendComment(currentMove, offer, TRUE);
12488 DisplayComment(currentMove - 1, offer);
12489 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
12491 DisplayError(_("You must make your move before offering a draw"), 0);
12492 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12494 } else if (first.offeredDraw) {
12495 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
12497 if (first.sendDrawOffers) {
12498 SendToProgram("draw\n", &first);
12499 userOfferedDraw = TRUE;
12507 /* Offer Adjourn or accept pending Adjourn offer from opponent */
12509 if (appData.icsActive) {
12510 SendToICS(ics_prefix);
12511 SendToICS("adjourn\n");
12513 /* Currently GNU Chess doesn't offer or accept Adjourns */
12521 /* Offer Abort or accept pending Abort offer from opponent */
12523 if (appData.icsActive) {
12524 SendToICS(ics_prefix);
12525 SendToICS("abort\n");
12527 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
12534 /* Resign. You can do this even if it's not your turn. */
12536 if (appData.icsActive) {
12537 SendToICS(ics_prefix);
12538 SendToICS("resign\n");
12540 switch (gameMode) {
12541 case MachinePlaysWhite:
12542 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12544 case MachinePlaysBlack:
12545 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12548 if (cmailMsgLoaded) {
12550 if (WhiteOnMove(cmailOldMove)) {
12551 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12553 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12555 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
12566 StopObservingEvent()
12568 /* Stop observing current games */
12569 SendToICS(ics_prefix);
12570 SendToICS("unobserve\n");
12574 StopExaminingEvent()
12576 /* Stop observing current game */
12577 SendToICS(ics_prefix);
12578 SendToICS("unexamine\n");
12582 ForwardInner(target)
12587 if (appData.debugMode)
12588 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
12589 target, currentMove, forwardMostMove);
12591 if (gameMode == EditPosition)
12594 if (gameMode == PlayFromGameFile && !pausing)
12597 if (gameMode == IcsExamining && pausing)
12598 limit = pauseExamForwardMostMove;
12600 limit = forwardMostMove;
12602 if (target > limit) target = limit;
12604 if (target > 0 && moveList[target - 1][0]) {
12605 int fromX, fromY, toX, toY;
12606 toX = moveList[target - 1][2] - AAA;
12607 toY = moveList[target - 1][3] - ONE;
12608 if (moveList[target - 1][1] == '@') {
12609 if (appData.highlightLastMove) {
12610 SetHighlights(-1, -1, toX, toY);
12613 fromX = moveList[target - 1][0] - AAA;
12614 fromY = moveList[target - 1][1] - ONE;
12615 if (target == currentMove + 1) {
12616 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12618 if (appData.highlightLastMove) {
12619 SetHighlights(fromX, fromY, toX, toY);
12623 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12624 gameMode == Training || gameMode == PlayFromGameFile ||
12625 gameMode == AnalyzeFile) {
12626 while (currentMove < target) {
12627 SendMoveToProgram(currentMove++, &first);
12630 currentMove = target;
12633 if (gameMode == EditGame || gameMode == EndOfGame) {
12634 whiteTimeRemaining = timeRemaining[0][currentMove];
12635 blackTimeRemaining = timeRemaining[1][currentMove];
12637 DisplayBothClocks();
12638 DisplayMove(currentMove - 1);
12639 DrawPosition(FALSE, boards[currentMove]);
12640 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12641 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
12642 DisplayComment(currentMove - 1, commentList[currentMove]);
12650 if (gameMode == IcsExamining && !pausing) {
12651 SendToICS(ics_prefix);
12652 SendToICS("forward\n");
12654 ForwardInner(currentMove + 1);
12661 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12662 /* to optimze, we temporarily turn off analysis mode while we feed
12663 * the remaining moves to the engine. Otherwise we get analysis output
12666 if (first.analysisSupport) {
12667 SendToProgram("exit\nforce\n", &first);
12668 first.analyzing = FALSE;
12672 if (gameMode == IcsExamining && !pausing) {
12673 SendToICS(ics_prefix);
12674 SendToICS("forward 999999\n");
12676 ForwardInner(forwardMostMove);
12679 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12680 /* we have fed all the moves, so reactivate analysis mode */
12681 SendToProgram("analyze\n", &first);
12682 first.analyzing = TRUE;
12683 /*first.maybeThinking = TRUE;*/
12684 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12689 BackwardInner(target)
12692 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
12694 if (appData.debugMode)
12695 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
12696 target, currentMove, forwardMostMove);
12698 if (gameMode == EditPosition) return;
12699 if (currentMove <= backwardMostMove) {
12701 DrawPosition(full_redraw, boards[currentMove]);
12704 if (gameMode == PlayFromGameFile && !pausing)
12707 if (moveList[target][0]) {
12708 int fromX, fromY, toX, toY;
12709 toX = moveList[target][2] - AAA;
12710 toY = moveList[target][3] - ONE;
12711 if (moveList[target][1] == '@') {
12712 if (appData.highlightLastMove) {
12713 SetHighlights(-1, -1, toX, toY);
12716 fromX = moveList[target][0] - AAA;
12717 fromY = moveList[target][1] - ONE;
12718 if (target == currentMove - 1) {
12719 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
12721 if (appData.highlightLastMove) {
12722 SetHighlights(fromX, fromY, toX, toY);
12726 if (gameMode == EditGame || gameMode==AnalyzeMode ||
12727 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
12728 while (currentMove > target) {
12729 SendToProgram("undo\n", &first);
12733 currentMove = target;
12736 if (gameMode == EditGame || gameMode == EndOfGame) {
12737 whiteTimeRemaining = timeRemaining[0][currentMove];
12738 blackTimeRemaining = timeRemaining[1][currentMove];
12740 DisplayBothClocks();
12741 DisplayMove(currentMove - 1);
12742 DrawPosition(full_redraw, boards[currentMove]);
12743 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12744 // [HGM] PV info: routine tests if comment empty
12745 DisplayComment(currentMove - 1, commentList[currentMove]);
12751 if (gameMode == IcsExamining && !pausing) {
12752 SendToICS(ics_prefix);
12753 SendToICS("backward\n");
12755 BackwardInner(currentMove - 1);
12762 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12763 /* to optimize, we temporarily turn off analysis mode while we undo
12764 * all the moves. Otherwise we get analysis output after each undo.
12766 if (first.analysisSupport) {
12767 SendToProgram("exit\nforce\n", &first);
12768 first.analyzing = FALSE;
12772 if (gameMode == IcsExamining && !pausing) {
12773 SendToICS(ics_prefix);
12774 SendToICS("backward 999999\n");
12776 BackwardInner(backwardMostMove);
12779 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12780 /* we have fed all the moves, so reactivate analysis mode */
12781 SendToProgram("analyze\n", &first);
12782 first.analyzing = TRUE;
12783 /*first.maybeThinking = TRUE;*/
12784 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12791 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
12792 if (to >= forwardMostMove) to = forwardMostMove;
12793 if (to <= backwardMostMove) to = backwardMostMove;
12794 if (to < currentMove) {
12802 RevertEvent(Boolean annotate)
12804 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
12807 if (gameMode != IcsExamining) {
12808 DisplayError(_("You are not examining a game"), 0);
12812 DisplayError(_("You can't revert while pausing"), 0);
12815 SendToICS(ics_prefix);
12816 SendToICS("revert\n");
12822 switch (gameMode) {
12823 case MachinePlaysWhite:
12824 case MachinePlaysBlack:
12825 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12826 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12829 if (forwardMostMove < 2) return;
12830 currentMove = forwardMostMove = forwardMostMove - 2;
12831 whiteTimeRemaining = timeRemaining[0][currentMove];
12832 blackTimeRemaining = timeRemaining[1][currentMove];
12833 DisplayBothClocks();
12834 DisplayMove(currentMove - 1);
12835 ClearHighlights();/*!! could figure this out*/
12836 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
12837 SendToProgram("remove\n", &first);
12838 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
12841 case BeginningOfGame:
12845 case IcsPlayingWhite:
12846 case IcsPlayingBlack:
12847 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
12848 SendToICS(ics_prefix);
12849 SendToICS("takeback 2\n");
12851 SendToICS(ics_prefix);
12852 SendToICS("takeback 1\n");
12861 ChessProgramState *cps;
12863 switch (gameMode) {
12864 case MachinePlaysWhite:
12865 if (!WhiteOnMove(forwardMostMove)) {
12866 DisplayError(_("It is your turn"), 0);
12871 case MachinePlaysBlack:
12872 if (WhiteOnMove(forwardMostMove)) {
12873 DisplayError(_("It is your turn"), 0);
12878 case TwoMachinesPlay:
12879 if (WhiteOnMove(forwardMostMove) ==
12880 (first.twoMachinesColor[0] == 'w')) {
12886 case BeginningOfGame:
12890 SendToProgram("?\n", cps);
12894 TruncateGameEvent()
12897 if (gameMode != EditGame) return;
12904 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
12905 if (forwardMostMove > currentMove) {
12906 if (gameInfo.resultDetails != NULL) {
12907 free(gameInfo.resultDetails);
12908 gameInfo.resultDetails = NULL;
12909 gameInfo.result = GameUnfinished;
12911 forwardMostMove = currentMove;
12912 HistorySet(parseList, backwardMostMove, forwardMostMove,
12920 if (appData.noChessProgram) return;
12921 switch (gameMode) {
12922 case MachinePlaysWhite:
12923 if (WhiteOnMove(forwardMostMove)) {
12924 DisplayError(_("Wait until your turn"), 0);
12928 case BeginningOfGame:
12929 case MachinePlaysBlack:
12930 if (!WhiteOnMove(forwardMostMove)) {
12931 DisplayError(_("Wait until your turn"), 0);
12936 DisplayError(_("No hint available"), 0);
12939 SendToProgram("hint\n", &first);
12940 hintRequested = TRUE;
12946 if (appData.noChessProgram) return;
12947 switch (gameMode) {
12948 case MachinePlaysWhite:
12949 if (WhiteOnMove(forwardMostMove)) {
12950 DisplayError(_("Wait until your turn"), 0);
12954 case BeginningOfGame:
12955 case MachinePlaysBlack:
12956 if (!WhiteOnMove(forwardMostMove)) {
12957 DisplayError(_("Wait until your turn"), 0);
12962 EditPositionDone(TRUE);
12964 case TwoMachinesPlay:
12969 SendToProgram("bk\n", &first);
12970 bookOutput[0] = NULLCHAR;
12971 bookRequested = TRUE;
12977 char *tags = PGNTags(&gameInfo);
12978 TagsPopUp(tags, CmailMsg());
12982 /* end button procedures */
12985 PrintPosition(fp, move)
12991 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12992 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
12993 char c = PieceToChar(boards[move][i][j]);
12994 fputc(c == 'x' ? '.' : c, fp);
12995 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
12998 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
12999 fprintf(fp, "white to play\n");
13001 fprintf(fp, "black to play\n");
13008 if (gameInfo.white != NULL) {
13009 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
13015 /* Find last component of program's own name, using some heuristics */
13017 TidyProgramName(prog, host, buf)
13018 char *prog, *host, buf[MSG_SIZ];
13021 int local = (strcmp(host, "localhost") == 0);
13022 while (!local && (p = strchr(prog, ';')) != NULL) {
13024 while (*p == ' ') p++;
13027 if (*prog == '"' || *prog == '\'') {
13028 q = strchr(prog + 1, *prog);
13030 q = strchr(prog, ' ');
13032 if (q == NULL) q = prog + strlen(prog);
13034 while (p >= prog && *p != '/' && *p != '\\') p--;
13036 if(p == prog && *p == '"') p++;
13037 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
13038 memcpy(buf, p, q - p);
13039 buf[q - p] = NULLCHAR;
13047 TimeControlTagValue()
13050 if (!appData.clockMode) {
13052 } else if (movesPerSession > 0) {
13053 sprintf(buf, "%d/%ld", movesPerSession, timeControl/1000);
13054 } else if (timeIncrement == 0) {
13055 sprintf(buf, "%ld", timeControl/1000);
13057 sprintf(buf, "%ld+%ld", timeControl/1000, timeIncrement/1000);
13059 return StrSave(buf);
13065 /* This routine is used only for certain modes */
13066 VariantClass v = gameInfo.variant;
13067 ChessMove r = GameUnfinished;
13070 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
13071 r = gameInfo.result;
13072 p = gameInfo.resultDetails;
13073 gameInfo.resultDetails = NULL;
13075 ClearGameInfo(&gameInfo);
13076 gameInfo.variant = v;
13078 switch (gameMode) {
13079 case MachinePlaysWhite:
13080 gameInfo.event = StrSave( appData.pgnEventHeader );
13081 gameInfo.site = StrSave(HostName());
13082 gameInfo.date = PGNDate();
13083 gameInfo.round = StrSave("-");
13084 gameInfo.white = StrSave(first.tidy);
13085 gameInfo.black = StrSave(UserName());
13086 gameInfo.timeControl = TimeControlTagValue();
13089 case MachinePlaysBlack:
13090 gameInfo.event = StrSave( appData.pgnEventHeader );
13091 gameInfo.site = StrSave(HostName());
13092 gameInfo.date = PGNDate();
13093 gameInfo.round = StrSave("-");
13094 gameInfo.white = StrSave(UserName());
13095 gameInfo.black = StrSave(first.tidy);
13096 gameInfo.timeControl = TimeControlTagValue();
13099 case TwoMachinesPlay:
13100 gameInfo.event = StrSave( appData.pgnEventHeader );
13101 gameInfo.site = StrSave(HostName());
13102 gameInfo.date = PGNDate();
13103 if (matchGame > 0) {
13105 sprintf(buf, "%d", matchGame);
13106 gameInfo.round = StrSave(buf);
13108 gameInfo.round = StrSave("-");
13110 if (first.twoMachinesColor[0] == 'w') {
13111 gameInfo.white = StrSave(first.tidy);
13112 gameInfo.black = StrSave(second.tidy);
13114 gameInfo.white = StrSave(second.tidy);
13115 gameInfo.black = StrSave(first.tidy);
13117 gameInfo.timeControl = TimeControlTagValue();
13121 gameInfo.event = StrSave("Edited game");
13122 gameInfo.site = StrSave(HostName());
13123 gameInfo.date = PGNDate();
13124 gameInfo.round = StrSave("-");
13125 gameInfo.white = StrSave("-");
13126 gameInfo.black = StrSave("-");
13127 gameInfo.result = r;
13128 gameInfo.resultDetails = p;
13132 gameInfo.event = StrSave("Edited position");
13133 gameInfo.site = StrSave(HostName());
13134 gameInfo.date = PGNDate();
13135 gameInfo.round = StrSave("-");
13136 gameInfo.white = StrSave("-");
13137 gameInfo.black = StrSave("-");
13140 case IcsPlayingWhite:
13141 case IcsPlayingBlack:
13146 case PlayFromGameFile:
13147 gameInfo.event = StrSave("Game from non-PGN file");
13148 gameInfo.site = StrSave(HostName());
13149 gameInfo.date = PGNDate();
13150 gameInfo.round = StrSave("-");
13151 gameInfo.white = StrSave("?");
13152 gameInfo.black = StrSave("?");
13161 ReplaceComment(index, text)
13167 while (*text == '\n') text++;
13168 len = strlen(text);
13169 while (len > 0 && text[len - 1] == '\n') len--;
13171 if (commentList[index] != NULL)
13172 free(commentList[index]);
13175 commentList[index] = NULL;
13178 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
13179 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
13180 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
13181 commentList[index] = (char *) malloc(len + 2);
13182 strncpy(commentList[index], text, len);
13183 commentList[index][len] = '\n';
13184 commentList[index][len + 1] = NULLCHAR;
13186 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
13188 commentList[index] = (char *) malloc(len + 6);
13189 strcpy(commentList[index], "{\n");
13190 strncpy(commentList[index]+2, text, len);
13191 commentList[index][len+2] = NULLCHAR;
13192 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
13193 strcat(commentList[index], "\n}\n");
13207 if (ch == '\r') continue;
13209 } while (ch != '\0');
13213 AppendComment(index, text, addBraces)
13216 Boolean addBraces; // [HGM] braces: tells if we should add {}
13221 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
13222 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
13225 while (*text == '\n') text++;
13226 len = strlen(text);
13227 while (len > 0 && text[len - 1] == '\n') len--;
13229 if (len == 0) return;
13231 if (commentList[index] != NULL) {
13232 old = commentList[index];
13233 oldlen = strlen(old);
13234 while(commentList[index][oldlen-1] == '\n')
13235 commentList[index][--oldlen] = NULLCHAR;
13236 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
13237 strcpy(commentList[index], old);
13239 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
13240 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces)) {
13241 if(addBraces) addBraces = FALSE; else { text++; len--; }
13242 while (*text == '\n') { text++; len--; }
13243 commentList[index][--oldlen] = NULLCHAR;
13245 if(addBraces) strcat(commentList[index], "\n{\n");
13246 else strcat(commentList[index], "\n");
13247 strcat(commentList[index], text);
13248 if(addBraces) strcat(commentList[index], "\n}\n");
13249 else strcat(commentList[index], "\n");
13251 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
13253 strcpy(commentList[index], "{\n");
13254 else commentList[index][0] = NULLCHAR;
13255 strcat(commentList[index], text);
13256 strcat(commentList[index], "\n");
13257 if(addBraces) strcat(commentList[index], "}\n");
13261 static char * FindStr( char * text, char * sub_text )
13263 char * result = strstr( text, sub_text );
13265 if( result != NULL ) {
13266 result += strlen( sub_text );
13272 /* [AS] Try to extract PV info from PGN comment */
13273 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
13274 char *GetInfoFromComment( int index, char * text )
13278 if( text != NULL && index > 0 ) {
13281 int time = -1, sec = 0, deci;
13282 char * s_eval = FindStr( text, "[%eval " );
13283 char * s_emt = FindStr( text, "[%emt " );
13285 if( s_eval != NULL || s_emt != NULL ) {
13289 if( s_eval != NULL ) {
13290 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
13294 if( delim != ']' ) {
13299 if( s_emt != NULL ) {
13304 /* We expect something like: [+|-]nnn.nn/dd */
13307 if(*text != '{') return text; // [HGM] braces: must be normal comment
13309 sep = strchr( text, '/' );
13310 if( sep == NULL || sep < (text+4) ) {
13314 time = -1; sec = -1; deci = -1;
13315 if( sscanf( text+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
13316 sscanf( text+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
13317 sscanf( text+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
13318 sscanf( text+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
13322 if( score_lo < 0 || score_lo >= 100 ) {
13326 if(sec >= 0) time = 600*time + 10*sec; else
13327 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
13329 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
13331 /* [HGM] PV time: now locate end of PV info */
13332 while( *++sep >= '0' && *sep <= '9'); // strip depth
13334 while( *++sep >= '0' && *sep <= '9'); // strip time
13336 while( *++sep >= '0' && *sep <= '9'); // strip seconds
13338 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
13339 while(*sep == ' ') sep++;
13350 pvInfoList[index-1].depth = depth;
13351 pvInfoList[index-1].score = score;
13352 pvInfoList[index-1].time = 10*time; // centi-sec
13353 if(*sep == '}') *sep = 0; else *--sep = '{';
13359 SendToProgram(message, cps)
13361 ChessProgramState *cps;
13363 int count, outCount, error;
13366 if (cps->pr == NULL) return;
13369 if (appData.debugMode) {
13372 fprintf(debugFP, "%ld >%-6s: %s",
13373 SubtractTimeMarks(&now, &programStartTime),
13374 cps->which, message);
13377 count = strlen(message);
13378 outCount = OutputToProcess(cps->pr, message, count, &error);
13379 if (outCount < count && !exiting
13380 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
13381 sprintf(buf, _("Error writing to %s chess program"), cps->which);
13382 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13383 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13384 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13385 sprintf(buf, "%s program exits in draw position (%s)", cps->which, cps->program);
13387 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13389 gameInfo.resultDetails = StrSave(buf);
13391 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13396 ReceiveFromProgram(isr, closure, message, count, error)
13397 InputSourceRef isr;
13405 ChessProgramState *cps = (ChessProgramState *)closure;
13407 if (isr != cps->isr) return; /* Killed intentionally */
13411 _("Error: %s chess program (%s) exited unexpectedly"),
13412 cps->which, cps->program);
13413 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13414 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13415 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13416 sprintf(buf, _("%s program exits in draw position (%s)"), cps->which, cps->program);
13418 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13420 gameInfo.resultDetails = StrSave(buf);
13422 RemoveInputSource(cps->isr);
13423 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
13426 _("Error reading from %s chess program (%s)"),
13427 cps->which, cps->program);
13428 RemoveInputSource(cps->isr);
13430 /* [AS] Program is misbehaving badly... kill it */
13431 if( count == -2 ) {
13432 DestroyChildProcess( cps->pr, 9 );
13436 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13441 if ((end_str = strchr(message, '\r')) != NULL)
13442 *end_str = NULLCHAR;
13443 if ((end_str = strchr(message, '\n')) != NULL)
13444 *end_str = NULLCHAR;
13446 if (appData.debugMode) {
13447 TimeMark now; int print = 1;
13448 char *quote = ""; char c; int i;
13450 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
13451 char start = message[0];
13452 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
13453 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
13454 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
13455 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
13456 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
13457 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
13458 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
13459 sscanf(message, "pong %c", &c)!=1 && start != '#') {
13460 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
13461 print = (appData.engineComments >= 2);
13463 message[0] = start; // restore original message
13467 fprintf(debugFP, "%ld <%-6s: %s%s\n",
13468 SubtractTimeMarks(&now, &programStartTime), cps->which,
13474 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
13475 if (appData.icsEngineAnalyze) {
13476 if (strstr(message, "whisper") != NULL ||
13477 strstr(message, "kibitz") != NULL ||
13478 strstr(message, "tellics") != NULL) return;
13481 HandleMachineMove(message, cps);
13486 SendTimeControl(cps, mps, tc, inc, sd, st)
13487 ChessProgramState *cps;
13488 int mps, inc, sd, st;
13494 if( timeControl_2 > 0 ) {
13495 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
13496 tc = timeControl_2;
13499 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
13500 inc /= cps->timeOdds;
13501 st /= cps->timeOdds;
13503 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
13506 /* Set exact time per move, normally using st command */
13507 if (cps->stKludge) {
13508 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
13510 if (seconds == 0) {
13511 sprintf(buf, "level 1 %d\n", st/60);
13513 sprintf(buf, "level 1 %d:%02d\n", st/60, seconds);
13516 sprintf(buf, "st %d\n", st);
13519 /* Set conventional or incremental time control, using level command */
13520 if (seconds == 0) {
13521 /* Note old gnuchess bug -- minutes:seconds used to not work.
13522 Fixed in later versions, but still avoid :seconds
13523 when seconds is 0. */
13524 sprintf(buf, "level %d %ld %d\n", mps, tc/60000, inc/1000);
13526 sprintf(buf, "level %d %ld:%02d %d\n", mps, tc/60000,
13527 seconds, inc/1000);
13530 SendToProgram(buf, cps);
13532 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
13533 /* Orthogonally, limit search to given depth */
13535 if (cps->sdKludge) {
13536 sprintf(buf, "depth\n%d\n", sd);
13538 sprintf(buf, "sd %d\n", sd);
13540 SendToProgram(buf, cps);
13543 if(cps->nps > 0) { /* [HGM] nps */
13544 if(cps->supportsNPS == FALSE) cps->nps = -1; // don't use if engine explicitly says not supported!
13546 sprintf(buf, "nps %d\n", cps->nps);
13547 SendToProgram(buf, cps);
13552 ChessProgramState *WhitePlayer()
13553 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
13555 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
13556 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
13562 SendTimeRemaining(cps, machineWhite)
13563 ChessProgramState *cps;
13564 int /*boolean*/ machineWhite;
13566 char message[MSG_SIZ];
13569 /* Note: this routine must be called when the clocks are stopped
13570 or when they have *just* been set or switched; otherwise
13571 it will be off by the time since the current tick started.
13573 if (machineWhite) {
13574 time = whiteTimeRemaining / 10;
13575 otime = blackTimeRemaining / 10;
13577 time = blackTimeRemaining / 10;
13578 otime = whiteTimeRemaining / 10;
13580 /* [HGM] translate opponent's time by time-odds factor */
13581 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
13582 if (appData.debugMode) {
13583 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
13586 if (time <= 0) time = 1;
13587 if (otime <= 0) otime = 1;
13589 sprintf(message, "time %ld\n", time);
13590 SendToProgram(message, cps);
13592 sprintf(message, "otim %ld\n", otime);
13593 SendToProgram(message, cps);
13597 BoolFeature(p, name, loc, cps)
13601 ChessProgramState *cps;
13604 int len = strlen(name);
13606 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13608 sscanf(*p, "%d", &val);
13610 while (**p && **p != ' ') (*p)++;
13611 sprintf(buf, "accepted %s\n", name);
13612 SendToProgram(buf, cps);
13619 IntFeature(p, name, loc, cps)
13623 ChessProgramState *cps;
13626 int len = strlen(name);
13627 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13629 sscanf(*p, "%d", loc);
13630 while (**p && **p != ' ') (*p)++;
13631 sprintf(buf, "accepted %s\n", name);
13632 SendToProgram(buf, cps);
13639 StringFeature(p, name, loc, cps)
13643 ChessProgramState *cps;
13646 int len = strlen(name);
13647 if (strncmp((*p), name, len) == 0
13648 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
13650 sscanf(*p, "%[^\"]", loc);
13651 while (**p && **p != '\"') (*p)++;
13652 if (**p == '\"') (*p)++;
13653 sprintf(buf, "accepted %s\n", name);
13654 SendToProgram(buf, cps);
13661 ParseOption(Option *opt, ChessProgramState *cps)
13662 // [HGM] options: process the string that defines an engine option, and determine
13663 // name, type, default value, and allowed value range
13665 char *p, *q, buf[MSG_SIZ];
13666 int n, min = (-1)<<31, max = 1<<31, def;
13668 if(p = strstr(opt->name, " -spin ")) {
13669 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13670 if(max < min) max = min; // enforce consistency
13671 if(def < min) def = min;
13672 if(def > max) def = max;
13677 } else if((p = strstr(opt->name, " -slider "))) {
13678 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
13679 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13680 if(max < min) max = min; // enforce consistency
13681 if(def < min) def = min;
13682 if(def > max) def = max;
13686 opt->type = Spin; // Slider;
13687 } else if((p = strstr(opt->name, " -string "))) {
13688 opt->textValue = p+9;
13689 opt->type = TextBox;
13690 } else if((p = strstr(opt->name, " -file "))) {
13691 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13692 opt->textValue = p+7;
13693 opt->type = TextBox; // FileName;
13694 } else if((p = strstr(opt->name, " -path "))) {
13695 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13696 opt->textValue = p+7;
13697 opt->type = TextBox; // PathName;
13698 } else if(p = strstr(opt->name, " -check ")) {
13699 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
13700 opt->value = (def != 0);
13701 opt->type = CheckBox;
13702 } else if(p = strstr(opt->name, " -combo ")) {
13703 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
13704 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
13705 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
13706 opt->value = n = 0;
13707 while(q = StrStr(q, " /// ")) {
13708 n++; *q = 0; // count choices, and null-terminate each of them
13710 if(*q == '*') { // remember default, which is marked with * prefix
13714 cps->comboList[cps->comboCnt++] = q;
13716 cps->comboList[cps->comboCnt++] = NULL;
13718 opt->type = ComboBox;
13719 } else if(p = strstr(opt->name, " -button")) {
13720 opt->type = Button;
13721 } else if(p = strstr(opt->name, " -save")) {
13722 opt->type = SaveButton;
13723 } else return FALSE;
13724 *p = 0; // terminate option name
13725 // now look if the command-line options define a setting for this engine option.
13726 if(cps->optionSettings && cps->optionSettings[0])
13727 p = strstr(cps->optionSettings, opt->name); else p = NULL;
13728 if(p && (p == cps->optionSettings || p[-1] == ',')) {
13729 sprintf(buf, "option %s", p);
13730 if(p = strstr(buf, ",")) *p = 0;
13732 SendToProgram(buf, cps);
13738 FeatureDone(cps, val)
13739 ChessProgramState* cps;
13742 DelayedEventCallback cb = GetDelayedEvent();
13743 if ((cb == InitBackEnd3 && cps == &first) ||
13744 (cb == TwoMachinesEventIfReady && cps == &second)) {
13745 CancelDelayedEvent();
13746 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
13748 cps->initDone = val;
13751 /* Parse feature command from engine */
13753 ParseFeatures(args, cps)
13755 ChessProgramState *cps;
13763 while (*p == ' ') p++;
13764 if (*p == NULLCHAR) return;
13766 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
13767 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
13768 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
13769 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
13770 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
13771 if (BoolFeature(&p, "reuse", &val, cps)) {
13772 /* Engine can disable reuse, but can't enable it if user said no */
13773 if (!val) cps->reuse = FALSE;
13776 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
13777 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
13778 if (gameMode == TwoMachinesPlay) {
13779 DisplayTwoMachinesTitle();
13785 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
13786 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
13787 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
13788 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
13789 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
13790 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
13791 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
13792 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
13793 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
13794 if (IntFeature(&p, "done", &val, cps)) {
13795 FeatureDone(cps, val);
13798 /* Added by Tord: */
13799 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
13800 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
13801 /* End of additions by Tord */
13803 /* [HGM] added features: */
13804 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
13805 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
13806 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
13807 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
13808 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13809 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
13810 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
13811 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
13812 sprintf(buf, "rejected option %s\n", cps->option[--cps->nrOptions].name);
13813 SendToProgram(buf, cps);
13816 if(cps->nrOptions >= MAX_OPTIONS) {
13818 sprintf(buf, "%s engine has too many options\n", cps->which);
13819 DisplayError(buf, 0);
13823 /* End of additions by HGM */
13825 /* unknown feature: complain and skip */
13827 while (*q && *q != '=') q++;
13828 sprintf(buf, "rejected %.*s\n", (int)(q-p), p);
13829 SendToProgram(buf, cps);
13835 while (*p && *p != '\"') p++;
13836 if (*p == '\"') p++;
13838 while (*p && *p != ' ') p++;
13846 PeriodicUpdatesEvent(newState)
13849 if (newState == appData.periodicUpdates)
13852 appData.periodicUpdates=newState;
13854 /* Display type changes, so update it now */
13855 // DisplayAnalysis();
13857 /* Get the ball rolling again... */
13859 AnalysisPeriodicEvent(1);
13860 StartAnalysisClock();
13865 PonderNextMoveEvent(newState)
13868 if (newState == appData.ponderNextMove) return;
13869 if (gameMode == EditPosition) EditPositionDone(TRUE);
13871 SendToProgram("hard\n", &first);
13872 if (gameMode == TwoMachinesPlay) {
13873 SendToProgram("hard\n", &second);
13876 SendToProgram("easy\n", &first);
13877 thinkOutput[0] = NULLCHAR;
13878 if (gameMode == TwoMachinesPlay) {
13879 SendToProgram("easy\n", &second);
13882 appData.ponderNextMove = newState;
13886 NewSettingEvent(option, feature, command, value)
13888 int option, value, *feature;
13892 if (gameMode == EditPosition) EditPositionDone(TRUE);
13893 sprintf(buf, "%s%s %d\n", (option ? "option ": ""), command, value);
13894 if(feature == NULL || *feature) SendToProgram(buf, &first);
13895 if (gameMode == TwoMachinesPlay) {
13896 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
13901 ShowThinkingEvent()
13902 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
13904 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
13905 int newState = appData.showThinking
13906 // [HGM] thinking: other features now need thinking output as well
13907 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
13909 if (oldState == newState) return;
13910 oldState = newState;
13911 if (gameMode == EditPosition) EditPositionDone(TRUE);
13913 SendToProgram("post\n", &first);
13914 if (gameMode == TwoMachinesPlay) {
13915 SendToProgram("post\n", &second);
13918 SendToProgram("nopost\n", &first);
13919 thinkOutput[0] = NULLCHAR;
13920 if (gameMode == TwoMachinesPlay) {
13921 SendToProgram("nopost\n", &second);
13924 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
13928 AskQuestionEvent(title, question, replyPrefix, which)
13929 char *title; char *question; char *replyPrefix; char *which;
13931 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
13932 if (pr == NoProc) return;
13933 AskQuestion(title, question, replyPrefix, pr);
13937 DisplayMove(moveNumber)
13940 char message[MSG_SIZ];
13942 char cpThinkOutput[MSG_SIZ];
13944 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
13946 if (moveNumber == forwardMostMove - 1 ||
13947 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13949 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput));
13951 if (strchr(cpThinkOutput, '\n')) {
13952 *strchr(cpThinkOutput, '\n') = NULLCHAR;
13955 *cpThinkOutput = NULLCHAR;
13958 /* [AS] Hide thinking from human user */
13959 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
13960 *cpThinkOutput = NULLCHAR;
13961 if( thinkOutput[0] != NULLCHAR ) {
13964 for( i=0; i<=hiddenThinkOutputState; i++ ) {
13965 cpThinkOutput[i] = '.';
13967 cpThinkOutput[i] = NULLCHAR;
13968 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
13972 if (moveNumber == forwardMostMove - 1 &&
13973 gameInfo.resultDetails != NULL) {
13974 if (gameInfo.resultDetails[0] == NULLCHAR) {
13975 sprintf(res, " %s", PGNResult(gameInfo.result));
13977 sprintf(res, " {%s} %s",
13978 gameInfo.resultDetails, PGNResult(gameInfo.result));
13984 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
13985 DisplayMessage(res, cpThinkOutput);
13987 sprintf(message, "%d.%s%s%s", moveNumber / 2 + 1,
13988 WhiteOnMove(moveNumber) ? " " : ".. ",
13989 parseList[moveNumber], res);
13990 DisplayMessage(message, cpThinkOutput);
13995 DisplayComment(moveNumber, text)
13999 char title[MSG_SIZ];
14000 char buf[8000]; // comment can be long!
14003 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14004 strcpy(title, "Comment");
14006 sprintf(title, "Comment on %d.%s%s", moveNumber / 2 + 1,
14007 WhiteOnMove(moveNumber) ? " " : ".. ",
14008 parseList[moveNumber]);
14010 // [HGM] PV info: display PV info together with (or as) comment
14011 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
14012 if(text == NULL) text = "";
14013 score = pvInfoList[moveNumber].score;
14014 sprintf(buf, "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
14015 depth, (pvInfoList[moveNumber].time+50)/100, text);
14018 if (text != NULL && (appData.autoDisplayComment || commentUp))
14019 CommentPopUp(title, text);
14022 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
14023 * might be busy thinking or pondering. It can be omitted if your
14024 * gnuchess is configured to stop thinking immediately on any user
14025 * input. However, that gnuchess feature depends on the FIONREAD
14026 * ioctl, which does not work properly on some flavors of Unix.
14030 ChessProgramState *cps;
14033 if (!cps->useSigint) return;
14034 if (appData.noChessProgram || (cps->pr == NoProc)) return;
14035 switch (gameMode) {
14036 case MachinePlaysWhite:
14037 case MachinePlaysBlack:
14038 case TwoMachinesPlay:
14039 case IcsPlayingWhite:
14040 case IcsPlayingBlack:
14043 /* Skip if we know it isn't thinking */
14044 if (!cps->maybeThinking) return;
14045 if (appData.debugMode)
14046 fprintf(debugFP, "Interrupting %s\n", cps->which);
14047 InterruptChildProcess(cps->pr);
14048 cps->maybeThinking = FALSE;
14053 #endif /*ATTENTION*/
14059 if (whiteTimeRemaining <= 0) {
14062 if (appData.icsActive) {
14063 if (appData.autoCallFlag &&
14064 gameMode == IcsPlayingBlack && !blackFlag) {
14065 SendToICS(ics_prefix);
14066 SendToICS("flag\n");
14070 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14072 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
14073 if (appData.autoCallFlag) {
14074 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
14081 if (blackTimeRemaining <= 0) {
14084 if (appData.icsActive) {
14085 if (appData.autoCallFlag &&
14086 gameMode == IcsPlayingWhite && !whiteFlag) {
14087 SendToICS(ics_prefix);
14088 SendToICS("flag\n");
14092 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14094 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
14095 if (appData.autoCallFlag) {
14096 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
14109 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
14110 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
14113 * add time to clocks when time control is achieved ([HGM] now also used for increment)
14115 if ( !WhiteOnMove(forwardMostMove) )
14116 /* White made time control */
14117 whiteTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
14118 /* [HGM] time odds: correct new time quota for time odds! */
14119 / WhitePlayer()->timeOdds;
14121 /* Black made time control */
14122 blackTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
14123 / WhitePlayer()->other->timeOdds;
14127 DisplayBothClocks()
14129 int wom = gameMode == EditPosition ?
14130 !blackPlaysFirst : WhiteOnMove(currentMove);
14131 DisplayWhiteClock(whiteTimeRemaining, wom);
14132 DisplayBlackClock(blackTimeRemaining, !wom);
14136 /* Timekeeping seems to be a portability nightmare. I think everyone
14137 has ftime(), but I'm really not sure, so I'm including some ifdefs
14138 to use other calls if you don't. Clocks will be less accurate if
14139 you have neither ftime nor gettimeofday.
14142 /* VS 2008 requires the #include outside of the function */
14143 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
14144 #include <sys/timeb.h>
14147 /* Get the current time as a TimeMark */
14152 #if HAVE_GETTIMEOFDAY
14154 struct timeval timeVal;
14155 struct timezone timeZone;
14157 gettimeofday(&timeVal, &timeZone);
14158 tm->sec = (long) timeVal.tv_sec;
14159 tm->ms = (int) (timeVal.tv_usec / 1000L);
14161 #else /*!HAVE_GETTIMEOFDAY*/
14164 // include <sys/timeb.h> / moved to just above start of function
14165 struct timeb timeB;
14168 tm->sec = (long) timeB.time;
14169 tm->ms = (int) timeB.millitm;
14171 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
14172 tm->sec = (long) time(NULL);
14178 /* Return the difference in milliseconds between two
14179 time marks. We assume the difference will fit in a long!
14182 SubtractTimeMarks(tm2, tm1)
14183 TimeMark *tm2, *tm1;
14185 return 1000L*(tm2->sec - tm1->sec) +
14186 (long) (tm2->ms - tm1->ms);
14191 * Code to manage the game clocks.
14193 * In tournament play, black starts the clock and then white makes a move.
14194 * We give the human user a slight advantage if he is playing white---the
14195 * clocks don't run until he makes his first move, so it takes zero time.
14196 * Also, we don't account for network lag, so we could get out of sync
14197 * with GNU Chess's clock -- but then, referees are always right.
14200 static TimeMark tickStartTM;
14201 static long intendedTickLength;
14204 NextTickLength(timeRemaining)
14205 long timeRemaining;
14207 long nominalTickLength, nextTickLength;
14209 if (timeRemaining > 0L && timeRemaining <= 10000L)
14210 nominalTickLength = 100L;
14212 nominalTickLength = 1000L;
14213 nextTickLength = timeRemaining % nominalTickLength;
14214 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
14216 return nextTickLength;
14219 /* Adjust clock one minute up or down */
14221 AdjustClock(Boolean which, int dir)
14223 if(which) blackTimeRemaining += 60000*dir;
14224 else whiteTimeRemaining += 60000*dir;
14225 DisplayBothClocks();
14228 /* Stop clocks and reset to a fresh time control */
14232 (void) StopClockTimer();
14233 if (appData.icsActive) {
14234 whiteTimeRemaining = blackTimeRemaining = 0;
14235 } else if (searchTime) {
14236 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14237 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14238 } else { /* [HGM] correct new time quote for time odds */
14239 whiteTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->timeOdds;
14240 blackTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->other->timeOdds;
14242 if (whiteFlag || blackFlag) {
14244 whiteFlag = blackFlag = FALSE;
14246 DisplayBothClocks();
14249 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
14251 /* Decrement running clock by amount of time that has passed */
14255 long timeRemaining;
14256 long lastTickLength, fudge;
14259 if (!appData.clockMode) return;
14260 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
14264 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14266 /* Fudge if we woke up a little too soon */
14267 fudge = intendedTickLength - lastTickLength;
14268 if (fudge < 0 || fudge > FUDGE) fudge = 0;
14270 if (WhiteOnMove(forwardMostMove)) {
14271 if(whiteNPS >= 0) lastTickLength = 0;
14272 timeRemaining = whiteTimeRemaining -= lastTickLength;
14273 DisplayWhiteClock(whiteTimeRemaining - fudge,
14274 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14276 if(blackNPS >= 0) lastTickLength = 0;
14277 timeRemaining = blackTimeRemaining -= lastTickLength;
14278 DisplayBlackClock(blackTimeRemaining - fudge,
14279 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14282 if (CheckFlags()) return;
14285 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
14286 StartClockTimer(intendedTickLength);
14288 /* if the time remaining has fallen below the alarm threshold, sound the
14289 * alarm. if the alarm has sounded and (due to a takeback or time control
14290 * with increment) the time remaining has increased to a level above the
14291 * threshold, reset the alarm so it can sound again.
14294 if (appData.icsActive && appData.icsAlarm) {
14296 /* make sure we are dealing with the user's clock */
14297 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
14298 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
14301 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
14302 alarmSounded = FALSE;
14303 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
14305 alarmSounded = TRUE;
14311 /* A player has just moved, so stop the previously running
14312 clock and (if in clock mode) start the other one.
14313 We redisplay both clocks in case we're in ICS mode, because
14314 ICS gives us an update to both clocks after every move.
14315 Note that this routine is called *after* forwardMostMove
14316 is updated, so the last fractional tick must be subtracted
14317 from the color that is *not* on move now.
14320 SwitchClocks(int newMoveNr)
14322 long lastTickLength;
14324 int flagged = FALSE;
14328 if (StopClockTimer() && appData.clockMode) {
14329 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14330 if (!WhiteOnMove(forwardMostMove)) {
14331 if(blackNPS >= 0) lastTickLength = 0;
14332 blackTimeRemaining -= lastTickLength;
14333 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14334 // if(pvInfoList[forwardMostMove-1].time == -1)
14335 pvInfoList[forwardMostMove-1].time = // use GUI time
14336 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
14338 if(whiteNPS >= 0) lastTickLength = 0;
14339 whiteTimeRemaining -= lastTickLength;
14340 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14341 // if(pvInfoList[forwardMostMove-1].time == -1)
14342 pvInfoList[forwardMostMove-1].time =
14343 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
14345 flagged = CheckFlags();
14347 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
14348 CheckTimeControl();
14350 if (flagged || !appData.clockMode) return;
14352 switch (gameMode) {
14353 case MachinePlaysBlack:
14354 case MachinePlaysWhite:
14355 case BeginningOfGame:
14356 if (pausing) return;
14360 case PlayFromGameFile:
14368 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
14369 if(WhiteOnMove(forwardMostMove))
14370 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14371 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14375 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14376 whiteTimeRemaining : blackTimeRemaining);
14377 StartClockTimer(intendedTickLength);
14381 /* Stop both clocks */
14385 long lastTickLength;
14388 if (!StopClockTimer()) return;
14389 if (!appData.clockMode) return;
14393 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14394 if (WhiteOnMove(forwardMostMove)) {
14395 if(whiteNPS >= 0) lastTickLength = 0;
14396 whiteTimeRemaining -= lastTickLength;
14397 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
14399 if(blackNPS >= 0) lastTickLength = 0;
14400 blackTimeRemaining -= lastTickLength;
14401 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
14406 /* Start clock of player on move. Time may have been reset, so
14407 if clock is already running, stop and restart it. */
14411 (void) StopClockTimer(); /* in case it was running already */
14412 DisplayBothClocks();
14413 if (CheckFlags()) return;
14415 if (!appData.clockMode) return;
14416 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
14418 GetTimeMark(&tickStartTM);
14419 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14420 whiteTimeRemaining : blackTimeRemaining);
14422 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
14423 whiteNPS = blackNPS = -1;
14424 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
14425 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
14426 whiteNPS = first.nps;
14427 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
14428 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
14429 blackNPS = first.nps;
14430 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
14431 whiteNPS = second.nps;
14432 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
14433 blackNPS = second.nps;
14434 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
14436 StartClockTimer(intendedTickLength);
14443 long second, minute, hour, day;
14445 static char buf[32];
14447 if (ms > 0 && ms <= 9900) {
14448 /* convert milliseconds to tenths, rounding up */
14449 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
14451 sprintf(buf, " %03.1f ", tenths/10.0);
14455 /* convert milliseconds to seconds, rounding up */
14456 /* use floating point to avoid strangeness of integer division
14457 with negative dividends on many machines */
14458 second = (long) floor(((double) (ms + 999L)) / 1000.0);
14465 day = second / (60 * 60 * 24);
14466 second = second % (60 * 60 * 24);
14467 hour = second / (60 * 60);
14468 second = second % (60 * 60);
14469 minute = second / 60;
14470 second = second % 60;
14473 sprintf(buf, " %s%ld:%02ld:%02ld:%02ld ",
14474 sign, day, hour, minute, second);
14476 sprintf(buf, " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
14478 sprintf(buf, " %s%2ld:%02ld ", sign, minute, second);
14485 * This is necessary because some C libraries aren't ANSI C compliant yet.
14488 StrStr(string, match)
14489 char *string, *match;
14493 length = strlen(match);
14495 for (i = strlen(string) - length; i >= 0; i--, string++)
14496 if (!strncmp(match, string, length))
14503 StrCaseStr(string, match)
14504 char *string, *match;
14508 length = strlen(match);
14510 for (i = strlen(string) - length; i >= 0; i--, string++) {
14511 for (j = 0; j < length; j++) {
14512 if (ToLower(match[j]) != ToLower(string[j]))
14515 if (j == length) return string;
14529 c1 = ToLower(*s1++);
14530 c2 = ToLower(*s2++);
14531 if (c1 > c2) return 1;
14532 if (c1 < c2) return -1;
14533 if (c1 == NULLCHAR) return 0;
14542 return isupper(c) ? tolower(c) : c;
14550 return islower(c) ? toupper(c) : c;
14552 #endif /* !_amigados */
14560 if ((ret = (char *) malloc(strlen(s) + 1))) {
14567 StrSavePtr(s, savePtr)
14568 char *s, **savePtr;
14573 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
14574 strcpy(*savePtr, s);
14586 clock = time((time_t *)NULL);
14587 tm = localtime(&clock);
14588 sprintf(buf, "%04d.%02d.%02d",
14589 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
14590 return StrSave(buf);
14595 PositionToFEN(move, overrideCastling)
14597 char *overrideCastling;
14599 int i, j, fromX, fromY, toX, toY;
14606 whiteToPlay = (gameMode == EditPosition) ?
14607 !blackPlaysFirst : (move % 2 == 0);
14610 /* Piece placement data */
14611 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14613 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14614 if (boards[move][i][j] == EmptySquare) {
14616 } else { ChessSquare piece = boards[move][i][j];
14617 if (emptycount > 0) {
14618 if(emptycount<10) /* [HGM] can be >= 10 */
14619 *p++ = '0' + emptycount;
14620 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14623 if(PieceToChar(piece) == '+') {
14624 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
14626 piece = (ChessSquare)(DEMOTED piece);
14628 *p++ = PieceToChar(piece);
14630 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
14631 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
14636 if (emptycount > 0) {
14637 if(emptycount<10) /* [HGM] can be >= 10 */
14638 *p++ = '0' + emptycount;
14639 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14646 /* [HGM] print Crazyhouse or Shogi holdings */
14647 if( gameInfo.holdingsWidth ) {
14648 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
14650 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
14651 piece = boards[move][i][BOARD_WIDTH-1];
14652 if( piece != EmptySquare )
14653 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
14654 *p++ = PieceToChar(piece);
14656 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
14657 piece = boards[move][BOARD_HEIGHT-i-1][0];
14658 if( piece != EmptySquare )
14659 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
14660 *p++ = PieceToChar(piece);
14663 if( q == p ) *p++ = '-';
14669 *p++ = whiteToPlay ? 'w' : 'b';
14672 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
14673 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
14675 if(nrCastlingRights) {
14677 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
14678 /* [HGM] write directly from rights */
14679 if(boards[move][CASTLING][2] != NoRights &&
14680 boards[move][CASTLING][0] != NoRights )
14681 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
14682 if(boards[move][CASTLING][2] != NoRights &&
14683 boards[move][CASTLING][1] != NoRights )
14684 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
14685 if(boards[move][CASTLING][5] != NoRights &&
14686 boards[move][CASTLING][3] != NoRights )
14687 *p++ = boards[move][CASTLING][3] + AAA;
14688 if(boards[move][CASTLING][5] != NoRights &&
14689 boards[move][CASTLING][4] != NoRights )
14690 *p++ = boards[move][CASTLING][4] + AAA;
14693 /* [HGM] write true castling rights */
14694 if( nrCastlingRights == 6 ) {
14695 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
14696 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
14697 if(boards[move][CASTLING][1] == BOARD_LEFT &&
14698 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
14699 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
14700 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
14701 if(boards[move][CASTLING][4] == BOARD_LEFT &&
14702 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
14705 if (q == p) *p++ = '-'; /* No castling rights */
14709 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14710 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14711 /* En passant target square */
14712 if (move > backwardMostMove) {
14713 fromX = moveList[move - 1][0] - AAA;
14714 fromY = moveList[move - 1][1] - ONE;
14715 toX = moveList[move - 1][2] - AAA;
14716 toY = moveList[move - 1][3] - ONE;
14717 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
14718 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
14719 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
14721 /* 2-square pawn move just happened */
14723 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14727 } else if(move == backwardMostMove) {
14728 // [HGM] perhaps we should always do it like this, and forget the above?
14729 if((signed char)boards[move][EP_STATUS] >= 0) {
14730 *p++ = boards[move][EP_STATUS] + AAA;
14731 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14742 /* [HGM] find reversible plies */
14743 { int i = 0, j=move;
14745 if (appData.debugMode) { int k;
14746 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
14747 for(k=backwardMostMove; k<=forwardMostMove; k++)
14748 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
14752 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
14753 if( j == backwardMostMove ) i += initialRulePlies;
14754 sprintf(p, "%d ", i);
14755 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
14757 /* Fullmove number */
14758 sprintf(p, "%d", (move / 2) + 1);
14760 return StrSave(buf);
14764 ParseFEN(board, blackPlaysFirst, fen)
14766 int *blackPlaysFirst;
14776 /* [HGM] by default clear Crazyhouse holdings, if present */
14777 if(gameInfo.holdingsWidth) {
14778 for(i=0; i<BOARD_HEIGHT; i++) {
14779 board[i][0] = EmptySquare; /* black holdings */
14780 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
14781 board[i][1] = (ChessSquare) 0; /* black counts */
14782 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
14786 /* Piece placement data */
14787 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14790 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
14791 if (*p == '/') p++;
14792 emptycount = gameInfo.boardWidth - j;
14793 while (emptycount--)
14794 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14796 #if(BOARD_FILES >= 10)
14797 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
14798 p++; emptycount=10;
14799 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14800 while (emptycount--)
14801 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14803 } else if (isdigit(*p)) {
14804 emptycount = *p++ - '0';
14805 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
14806 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14807 while (emptycount--)
14808 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14809 } else if (*p == '+' || isalpha(*p)) {
14810 if (j >= gameInfo.boardWidth) return FALSE;
14812 piece = CharToPiece(*++p);
14813 if(piece == EmptySquare) return FALSE; /* unknown piece */
14814 piece = (ChessSquare) (PROMOTED piece ); p++;
14815 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
14816 } else piece = CharToPiece(*p++);
14818 if(piece==EmptySquare) return FALSE; /* unknown piece */
14819 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
14820 piece = (ChessSquare) (PROMOTED piece);
14821 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
14824 board[i][(j++)+gameInfo.holdingsWidth] = piece;
14830 while (*p == '/' || *p == ' ') p++;
14832 /* [HGM] look for Crazyhouse holdings here */
14833 while(*p==' ') p++;
14834 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
14836 if(*p == '-' ) *p++; /* empty holdings */ else {
14837 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
14838 /* if we would allow FEN reading to set board size, we would */
14839 /* have to add holdings and shift the board read so far here */
14840 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
14842 if((int) piece >= (int) BlackPawn ) {
14843 i = (int)piece - (int)BlackPawn;
14844 i = PieceToNumber((ChessSquare)i);
14845 if( i >= gameInfo.holdingsSize ) return FALSE;
14846 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
14847 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
14849 i = (int)piece - (int)WhitePawn;
14850 i = PieceToNumber((ChessSquare)i);
14851 if( i >= gameInfo.holdingsSize ) return FALSE;
14852 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
14853 board[i][BOARD_WIDTH-2]++; /* black holdings */
14857 if(*p == ']') *p++;
14860 while(*p == ' ') p++;
14865 *blackPlaysFirst = FALSE;
14868 *blackPlaysFirst = TRUE;
14874 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
14875 /* return the extra info in global variiables */
14877 /* set defaults in case FEN is incomplete */
14878 board[EP_STATUS] = EP_UNKNOWN;
14879 for(i=0; i<nrCastlingRights; i++ ) {
14880 board[CASTLING][i] =
14881 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
14882 } /* assume possible unless obviously impossible */
14883 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
14884 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
14885 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
14886 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
14887 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
14888 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
14889 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
14890 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
14893 while(*p==' ') p++;
14894 if(nrCastlingRights) {
14895 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
14896 /* castling indicator present, so default becomes no castlings */
14897 for(i=0; i<nrCastlingRights; i++ ) {
14898 board[CASTLING][i] = NoRights;
14901 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
14902 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
14903 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
14904 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
14905 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
14907 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
14908 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
14909 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
14911 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
14912 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
14913 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
14914 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
14915 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
14916 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
14919 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
14920 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
14921 board[CASTLING][2] = whiteKingFile;
14924 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
14925 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
14926 board[CASTLING][2] = whiteKingFile;
14929 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
14930 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
14931 board[CASTLING][5] = blackKingFile;
14934 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
14935 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
14936 board[CASTLING][5] = blackKingFile;
14939 default: /* FRC castlings */
14940 if(c >= 'a') { /* black rights */
14941 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
14942 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
14943 if(i == BOARD_RGHT) break;
14944 board[CASTLING][5] = i;
14946 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
14947 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
14949 board[CASTLING][3] = c;
14951 board[CASTLING][4] = c;
14952 } else { /* white rights */
14953 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
14954 if(board[0][i] == WhiteKing) break;
14955 if(i == BOARD_RGHT) break;
14956 board[CASTLING][2] = i;
14957 c -= AAA - 'a' + 'A';
14958 if(board[0][c] >= WhiteKing) break;
14960 board[CASTLING][0] = c;
14962 board[CASTLING][1] = c;
14966 for(i=0; i<nrCastlingRights; i++)
14967 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
14968 if (appData.debugMode) {
14969 fprintf(debugFP, "FEN castling rights:");
14970 for(i=0; i<nrCastlingRights; i++)
14971 fprintf(debugFP, " %d", board[CASTLING][i]);
14972 fprintf(debugFP, "\n");
14975 while(*p==' ') p++;
14978 /* read e.p. field in games that know e.p. capture */
14979 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14980 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14982 p++; board[EP_STATUS] = EP_NONE;
14984 char c = *p++ - AAA;
14986 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
14987 if(*p >= '0' && *p <='9') *p++;
14988 board[EP_STATUS] = c;
14993 if(sscanf(p, "%d", &i) == 1) {
14994 FENrulePlies = i; /* 50-move ply counter */
14995 /* (The move number is still ignored) */
15002 EditPositionPasteFEN(char *fen)
15005 Board initial_position;
15007 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
15008 DisplayError(_("Bad FEN position in clipboard"), 0);
15011 int savedBlackPlaysFirst = blackPlaysFirst;
15012 EditPositionEvent();
15013 blackPlaysFirst = savedBlackPlaysFirst;
15014 CopyBoard(boards[0], initial_position);
15015 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
15016 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
15017 DisplayBothClocks();
15018 DrawPosition(FALSE, boards[currentMove]);
15023 static char cseq[12] = "\\ ";
15025 Boolean set_cont_sequence(char *new_seq)
15030 // handle bad attempts to set the sequence
15032 return 0; // acceptable error - no debug
15034 len = strlen(new_seq);
15035 ret = (len > 0) && (len < sizeof(cseq));
15037 strcpy(cseq, new_seq);
15038 else if (appData.debugMode)
15039 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
15044 reformat a source message so words don't cross the width boundary. internal
15045 newlines are not removed. returns the wrapped size (no null character unless
15046 included in source message). If dest is NULL, only calculate the size required
15047 for the dest buffer. lp argument indicats line position upon entry, and it's
15048 passed back upon exit.
15050 int wrap(char *dest, char *src, int count, int width, int *lp)
15052 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
15054 cseq_len = strlen(cseq);
15055 old_line = line = *lp;
15056 ansi = len = clen = 0;
15058 for (i=0; i < count; i++)
15060 if (src[i] == '\033')
15063 // if we hit the width, back up
15064 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
15066 // store i & len in case the word is too long
15067 old_i = i, old_len = len;
15069 // find the end of the last word
15070 while (i && src[i] != ' ' && src[i] != '\n')
15076 // word too long? restore i & len before splitting it
15077 if ((old_i-i+clen) >= width)
15084 if (i && src[i-1] == ' ')
15087 if (src[i] != ' ' && src[i] != '\n')
15094 // now append the newline and continuation sequence
15099 strncpy(dest+len, cseq, cseq_len);
15107 dest[len] = src[i];
15111 if (src[i] == '\n')
15116 if (dest && appData.debugMode)
15118 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
15119 count, width, line, len, *lp);
15120 show_bytes(debugFP, src, count);
15121 fprintf(debugFP, "\ndest: ");
15122 show_bytes(debugFP, dest, len);
15123 fprintf(debugFP, "\n");
15125 *lp = dest ? line : old_line;
15130 // [HGM] vari: routines for shelving variations
15133 PushTail(int firstMove, int lastMove)
15135 int i, j, nrMoves = lastMove - firstMove;
15137 if(appData.icsActive) { // only in local mode
15138 forwardMostMove = currentMove; // mimic old ICS behavior
15141 if(storedGames >= MAX_VARIATIONS-1) return;
15143 // push current tail of game on stack
15144 savedResult[storedGames] = gameInfo.result;
15145 savedDetails[storedGames] = gameInfo.resultDetails;
15146 gameInfo.resultDetails = NULL;
15147 savedFirst[storedGames] = firstMove;
15148 savedLast [storedGames] = lastMove;
15149 savedFramePtr[storedGames] = framePtr;
15150 framePtr -= nrMoves; // reserve space for the boards
15151 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
15152 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
15153 for(j=0; j<MOVE_LEN; j++)
15154 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
15155 for(j=0; j<2*MOVE_LEN; j++)
15156 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
15157 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
15158 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
15159 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
15160 pvInfoList[firstMove+i-1].depth = 0;
15161 commentList[framePtr+i] = commentList[firstMove+i];
15162 commentList[firstMove+i] = NULL;
15166 forwardMostMove = firstMove; // truncate game so we can start variation
15167 if(storedGames == 1) GreyRevert(FALSE);
15171 PopTail(Boolean annotate)
15174 char buf[8000], moveBuf[20];
15176 if(appData.icsActive) return FALSE; // only in local mode
15177 if(!storedGames) return FALSE; // sanity
15178 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
15181 ToNrEvent(savedFirst[storedGames]); // sets currentMove
15182 nrMoves = savedLast[storedGames] - currentMove;
15185 if(!WhiteOnMove(currentMove)) sprintf(buf, "(%d...", currentMove+2>>1);
15186 else strcpy(buf, "(");
15187 for(i=currentMove; i<forwardMostMove; i++) {
15189 sprintf(moveBuf, " %d. %s", i+2>>1, SavePart(parseList[i]));
15190 else sprintf(moveBuf, " %s", SavePart(parseList[i]));
15191 strcat(buf, moveBuf);
15192 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
15193 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
15197 for(i=1; i<=nrMoves; i++) { // copy last variation back
15198 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
15199 for(j=0; j<MOVE_LEN; j++)
15200 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
15201 for(j=0; j<2*MOVE_LEN; j++)
15202 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
15203 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
15204 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
15205 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
15206 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
15207 commentList[currentMove+i] = commentList[framePtr+i];
15208 commentList[framePtr+i] = NULL;
15210 if(annotate) AppendComment(currentMove+1, buf, FALSE);
15211 framePtr = savedFramePtr[storedGames];
15212 gameInfo.result = savedResult[storedGames];
15213 if(gameInfo.resultDetails != NULL) {
15214 free(gameInfo.resultDetails);
15216 gameInfo.resultDetails = savedDetails[storedGames];
15217 forwardMostMove = currentMove + nrMoves;
15218 if(storedGames == 0) GreyRevert(TRUE);
15224 { // remove all shelved variations
15226 for(i=0; i<storedGames; i++) {
15227 if(savedDetails[i])
15228 free(savedDetails[i]);
15229 savedDetails[i] = NULL;
15231 for(i=framePtr; i<MAX_MOVES; i++) {
15232 if(commentList[i]) free(commentList[i]);
15233 commentList[i] = NULL;
15235 framePtr = MAX_MOVES-1;
15240 LoadVariation(int index, char *text)
15241 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
15242 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
15243 int level = 0, move;
15245 if(gameMode != EditGame && gameMode != AnalyzeMode) return;
15246 // first find outermost bracketing variation
15247 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
15248 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
15249 if(*p == '{') wait = '}'; else
15250 if(*p == '[') wait = ']'; else
15251 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
15252 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
15254 if(*p == wait) wait = NULLCHAR; // closing ]} found
15257 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
15258 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
15259 end[1] = NULLCHAR; // clip off comment beyond variation
15260 ToNrEvent(currentMove-1);
15261 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
15262 // kludge: use ParsePV() to append variation to game
15263 move = currentMove;
15264 ParsePV(start, TRUE);
15265 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
15266 ClearPremoveHighlights();
15268 ToNrEvent(currentMove+1);