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;
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 DisplayFatalError(buf, 0, 0);
9336 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
9337 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
9339 gameMode = nextGameMode;
9341 endingGame = 0; /* [HGM] crash */
9344 /* Assumes program was just initialized (initString sent).
9345 Leaves program in force mode. */
9347 FeedMovesToProgram(cps, upto)
9348 ChessProgramState *cps;
9353 if (appData.debugMode)
9354 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
9355 startedFromSetupPosition ? "position and " : "",
9356 backwardMostMove, upto, cps->which);
9357 if(currentlyInitializedVariant != gameInfo.variant) { char buf[MSG_SIZ];
9358 // [HGM] variantswitch: make engine aware of new variant
9359 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
9360 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
9361 sprintf(buf, "variant %s\n", VariantName(gameInfo.variant));
9362 SendToProgram(buf, cps);
9363 currentlyInitializedVariant = gameInfo.variant;
9365 SendToProgram("force\n", cps);
9366 if (startedFromSetupPosition) {
9367 SendBoard(cps, backwardMostMove);
9368 if (appData.debugMode) {
9369 fprintf(debugFP, "feedMoves\n");
9372 for (i = backwardMostMove; i < upto; i++) {
9373 SendMoveToProgram(i, cps);
9379 ResurrectChessProgram()
9381 /* The chess program may have exited.
9382 If so, restart it and feed it all the moves made so far. */
9384 if (appData.noChessProgram || first.pr != NoProc) return;
9386 StartChessProgram(&first);
9387 InitChessProgram(&first, FALSE);
9388 FeedMovesToProgram(&first, currentMove);
9390 if (!first.sendTime) {
9391 /* can't tell gnuchess what its clock should read,
9392 so we bow to its notion. */
9394 timeRemaining[0][currentMove] = whiteTimeRemaining;
9395 timeRemaining[1][currentMove] = blackTimeRemaining;
9398 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
9399 appData.icsEngineAnalyze) && first.analysisSupport) {
9400 SendToProgram("analyze\n", &first);
9401 first.analyzing = TRUE;
9414 if (appData.debugMode) {
9415 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
9416 redraw, init, gameMode);
9418 CleanupTail(); // [HGM] vari: delete any stored variations
9419 pausing = pauseExamInvalid = FALSE;
9420 startedFromSetupPosition = blackPlaysFirst = FALSE;
9422 whiteFlag = blackFlag = FALSE;
9423 userOfferedDraw = FALSE;
9424 hintRequested = bookRequested = FALSE;
9425 first.maybeThinking = FALSE;
9426 second.maybeThinking = FALSE;
9427 first.bookSuspend = FALSE; // [HGM] book
9428 second.bookSuspend = FALSE;
9429 thinkOutput[0] = NULLCHAR;
9430 lastHint[0] = NULLCHAR;
9431 ClearGameInfo(&gameInfo);
9432 gameInfo.variant = StringToVariant(appData.variant);
9433 ics_user_moved = ics_clock_paused = FALSE;
9434 ics_getting_history = H_FALSE;
9436 white_holding[0] = black_holding[0] = NULLCHAR;
9437 ClearProgramStats();
9438 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
9442 flipView = appData.flipView;
9443 ClearPremoveHighlights();
9445 alarmSounded = FALSE;
9447 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
9448 if(appData.serverMovesName != NULL) {
9449 /* [HGM] prepare to make moves file for broadcasting */
9450 clock_t t = clock();
9451 if(serverMoves != NULL) fclose(serverMoves);
9452 serverMoves = fopen(appData.serverMovesName, "r");
9453 if(serverMoves != NULL) {
9454 fclose(serverMoves);
9455 /* delay 15 sec before overwriting, so all clients can see end */
9456 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
9458 serverMoves = fopen(appData.serverMovesName, "w");
9462 gameMode = BeginningOfGame;
9464 if(appData.icsActive) gameInfo.variant = VariantNormal;
9465 currentMove = forwardMostMove = backwardMostMove = 0;
9466 InitPosition(redraw);
9467 for (i = 0; i < MAX_MOVES; i++) {
9468 if (commentList[i] != NULL) {
9469 free(commentList[i]);
9470 commentList[i] = NULL;
9474 timeRemaining[0][0] = whiteTimeRemaining;
9475 timeRemaining[1][0] = blackTimeRemaining;
9476 if (first.pr == NULL) {
9477 StartChessProgram(&first);
9480 InitChessProgram(&first, startedFromSetupPosition);
9483 DisplayMessage("", "");
9484 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9485 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
9492 if (!AutoPlayOneMove())
9494 if (matchMode || appData.timeDelay == 0)
9496 if (appData.timeDelay < 0 || gameMode == AnalyzeFile)
9498 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
9507 int fromX, fromY, toX, toY;
9509 if (appData.debugMode) {
9510 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
9513 if (gameMode != PlayFromGameFile)
9516 if (currentMove >= forwardMostMove) {
9517 gameMode = EditGame;
9520 /* [AS] Clear current move marker at the end of a game */
9521 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
9526 toX = moveList[currentMove][2] - AAA;
9527 toY = moveList[currentMove][3] - ONE;
9529 if (moveList[currentMove][1] == '@') {
9530 if (appData.highlightLastMove) {
9531 SetHighlights(-1, -1, toX, toY);
9534 fromX = moveList[currentMove][0] - AAA;
9535 fromY = moveList[currentMove][1] - ONE;
9537 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
9539 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
9541 if (appData.highlightLastMove) {
9542 SetHighlights(fromX, fromY, toX, toY);
9545 DisplayMove(currentMove);
9546 SendMoveToProgram(currentMove++, &first);
9547 DisplayBothClocks();
9548 DrawPosition(FALSE, boards[currentMove]);
9549 // [HGM] PV info: always display, routine tests if empty
9550 DisplayComment(currentMove - 1, commentList[currentMove]);
9556 LoadGameOneMove(readAhead)
9557 ChessMove readAhead;
9559 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
9560 char promoChar = NULLCHAR;
9565 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
9566 gameMode != AnalyzeMode && gameMode != Training) {
9571 yyboardindex = forwardMostMove;
9572 if (readAhead != (ChessMove)0) {
9573 moveType = readAhead;
9575 if (gameFileFP == NULL)
9577 moveType = (ChessMove) yylex();
9583 if (appData.debugMode)
9584 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9587 /* append the comment but don't display it */
9588 AppendComment(currentMove, p, FALSE);
9591 case WhiteCapturesEnPassant:
9592 case BlackCapturesEnPassant:
9593 case WhitePromotionChancellor:
9594 case BlackPromotionChancellor:
9595 case WhitePromotionArchbishop:
9596 case BlackPromotionArchbishop:
9597 case WhitePromotionCentaur:
9598 case BlackPromotionCentaur:
9599 case WhitePromotionQueen:
9600 case BlackPromotionQueen:
9601 case WhitePromotionRook:
9602 case BlackPromotionRook:
9603 case WhitePromotionBishop:
9604 case BlackPromotionBishop:
9605 case WhitePromotionKnight:
9606 case BlackPromotionKnight:
9607 case WhitePromotionKing:
9608 case BlackPromotionKing:
9610 case WhiteKingSideCastle:
9611 case WhiteQueenSideCastle:
9612 case BlackKingSideCastle:
9613 case BlackQueenSideCastle:
9614 case WhiteKingSideCastleWild:
9615 case WhiteQueenSideCastleWild:
9616 case BlackKingSideCastleWild:
9617 case BlackQueenSideCastleWild:
9619 case WhiteHSideCastleFR:
9620 case WhiteASideCastleFR:
9621 case BlackHSideCastleFR:
9622 case BlackASideCastleFR:
9624 if (appData.debugMode)
9625 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9626 fromX = currentMoveString[0] - AAA;
9627 fromY = currentMoveString[1] - ONE;
9628 toX = currentMoveString[2] - AAA;
9629 toY = currentMoveString[3] - ONE;
9630 promoChar = currentMoveString[4];
9635 if (appData.debugMode)
9636 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9637 fromX = moveType == WhiteDrop ?
9638 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9639 (int) CharToPiece(ToLower(currentMoveString[0]));
9641 toX = currentMoveString[2] - AAA;
9642 toY = currentMoveString[3] - ONE;
9648 case GameUnfinished:
9649 if (appData.debugMode)
9650 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
9651 p = strchr(yy_text, '{');
9652 if (p == NULL) p = strchr(yy_text, '(');
9655 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9657 q = strchr(p, *p == '{' ? '}' : ')');
9658 if (q != NULL) *q = NULLCHAR;
9661 GameEnds(moveType, p, GE_FILE);
9663 if (cmailMsgLoaded) {
9665 flipView = WhiteOnMove(currentMove);
9666 if (moveType == GameUnfinished) flipView = !flipView;
9667 if (appData.debugMode)
9668 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
9672 case (ChessMove) 0: /* end of file */
9673 if (appData.debugMode)
9674 fprintf(debugFP, "Parser hit end of file\n");
9675 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9681 if (WhiteOnMove(currentMove)) {
9682 GameEnds(BlackWins, "Black mates", GE_FILE);
9684 GameEnds(WhiteWins, "White mates", GE_FILE);
9688 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9695 if (lastLoadGameStart == GNUChessGame) {
9696 /* GNUChessGames have numbers, but they aren't move numbers */
9697 if (appData.debugMode)
9698 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9699 yy_text, (int) moveType);
9700 return LoadGameOneMove((ChessMove)0); /* tail recursion */
9702 /* else fall thru */
9707 /* Reached start of next game in file */
9708 if (appData.debugMode)
9709 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
9710 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9716 if (WhiteOnMove(currentMove)) {
9717 GameEnds(BlackWins, "Black mates", GE_FILE);
9719 GameEnds(WhiteWins, "White mates", GE_FILE);
9723 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9729 case PositionDiagram: /* should not happen; ignore */
9730 case ElapsedTime: /* ignore */
9731 case NAG: /* ignore */
9732 if (appData.debugMode)
9733 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9734 yy_text, (int) moveType);
9735 return LoadGameOneMove((ChessMove)0); /* tail recursion */
9738 if (appData.testLegality) {
9739 if (appData.debugMode)
9740 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
9741 sprintf(move, _("Illegal move: %d.%s%s"),
9742 (forwardMostMove / 2) + 1,
9743 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9744 DisplayError(move, 0);
9747 if (appData.debugMode)
9748 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
9749 yy_text, currentMoveString);
9750 fromX = currentMoveString[0] - AAA;
9751 fromY = currentMoveString[1] - ONE;
9752 toX = currentMoveString[2] - AAA;
9753 toY = currentMoveString[3] - ONE;
9754 promoChar = currentMoveString[4];
9759 if (appData.debugMode)
9760 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
9761 sprintf(move, _("Ambiguous move: %d.%s%s"),
9762 (forwardMostMove / 2) + 1,
9763 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9764 DisplayError(move, 0);
9769 case ImpossibleMove:
9770 if (appData.debugMode)
9771 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
9772 sprintf(move, _("Illegal move: %d.%s%s"),
9773 (forwardMostMove / 2) + 1,
9774 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9775 DisplayError(move, 0);
9781 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
9782 DrawPosition(FALSE, boards[currentMove]);
9783 DisplayBothClocks();
9784 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
9785 DisplayComment(currentMove - 1, commentList[currentMove]);
9787 (void) StopLoadGameTimer();
9789 cmailOldMove = forwardMostMove;
9792 /* currentMoveString is set as a side-effect of yylex */
9793 strcat(currentMoveString, "\n");
9794 strcpy(moveList[forwardMostMove], currentMoveString);
9796 thinkOutput[0] = NULLCHAR;
9797 MakeMove(fromX, fromY, toX, toY, promoChar);
9798 currentMove = forwardMostMove;
9803 /* Load the nth game from the given file */
9805 LoadGameFromFile(filename, n, title, useList)
9809 /*Boolean*/ int useList;
9814 if (strcmp(filename, "-") == 0) {
9818 f = fopen(filename, "rb");
9820 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9821 DisplayError(buf, errno);
9825 if (fseek(f, 0, 0) == -1) {
9826 /* f is not seekable; probably a pipe */
9829 if (useList && n == 0) {
9830 int error = GameListBuild(f);
9832 DisplayError(_("Cannot build game list"), error);
9833 } else if (!ListEmpty(&gameList) &&
9834 ((ListGame *) gameList.tailPred)->number > 1) {
9835 GameListPopUp(f, title);
9842 return LoadGame(f, n, title, FALSE);
9847 MakeRegisteredMove()
9849 int fromX, fromY, toX, toY;
9851 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9852 switch (cmailMoveType[lastLoadGameNumber - 1]) {
9855 if (appData.debugMode)
9856 fprintf(debugFP, "Restoring %s for game %d\n",
9857 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
9859 thinkOutput[0] = NULLCHAR;
9860 strcpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1]);
9861 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
9862 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
9863 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
9864 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
9865 promoChar = cmailMove[lastLoadGameNumber - 1][4];
9866 MakeMove(fromX, fromY, toX, toY, promoChar);
9867 ShowMove(fromX, fromY, toX, toY);
9869 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9876 if (WhiteOnMove(currentMove)) {
9877 GameEnds(BlackWins, "Black mates", GE_PLAYER);
9879 GameEnds(WhiteWins, "White mates", GE_PLAYER);
9884 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
9891 if (WhiteOnMove(currentMove)) {
9892 GameEnds(BlackWins, "White resigns", GE_PLAYER);
9894 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
9899 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
9910 /* Wrapper around LoadGame for use when a Cmail message is loaded */
9912 CmailLoadGame(f, gameNumber, title, useList)
9920 if (gameNumber > nCmailGames) {
9921 DisplayError(_("No more games in this message"), 0);
9924 if (f == lastLoadGameFP) {
9925 int offset = gameNumber - lastLoadGameNumber;
9927 cmailMsg[0] = NULLCHAR;
9928 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9929 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
9930 nCmailMovesRegistered--;
9932 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
9933 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
9934 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
9937 if (! RegisterMove()) return FALSE;
9941 retVal = LoadGame(f, gameNumber, title, useList);
9943 /* Make move registered during previous look at this game, if any */
9944 MakeRegisteredMove();
9946 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
9947 commentList[currentMove]
9948 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
9949 DisplayComment(currentMove - 1, commentList[currentMove]);
9955 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
9960 int gameNumber = lastLoadGameNumber + offset;
9961 if (lastLoadGameFP == NULL) {
9962 DisplayError(_("No game has been loaded yet"), 0);
9965 if (gameNumber <= 0) {
9966 DisplayError(_("Can't back up any further"), 0);
9969 if (cmailMsgLoaded) {
9970 return CmailLoadGame(lastLoadGameFP, gameNumber,
9971 lastLoadGameTitle, lastLoadGameUseList);
9973 return LoadGame(lastLoadGameFP, gameNumber,
9974 lastLoadGameTitle, lastLoadGameUseList);
9980 /* Load the nth game from open file f */
9982 LoadGame(f, gameNumber, title, useList)
9990 int gn = gameNumber;
9991 ListGame *lg = NULL;
9994 GameMode oldGameMode;
9995 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
9997 if (appData.debugMode)
9998 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
10000 if (gameMode == Training )
10001 SetTrainingModeOff();
10003 oldGameMode = gameMode;
10004 if (gameMode != BeginningOfGame) {
10005 Reset(FALSE, TRUE);
10009 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
10010 fclose(lastLoadGameFP);
10014 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
10017 fseek(f, lg->offset, 0);
10018 GameListHighlight(gameNumber);
10022 DisplayError(_("Game number out of range"), 0);
10027 if (fseek(f, 0, 0) == -1) {
10028 if (f == lastLoadGameFP ?
10029 gameNumber == lastLoadGameNumber + 1 :
10033 DisplayError(_("Can't seek on game file"), 0);
10038 lastLoadGameFP = f;
10039 lastLoadGameNumber = gameNumber;
10040 strcpy(lastLoadGameTitle, title);
10041 lastLoadGameUseList = useList;
10045 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
10046 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
10047 lg->gameInfo.black);
10049 } else if (*title != NULLCHAR) {
10050 if (gameNumber > 1) {
10051 sprintf(buf, "%s %d", title, gameNumber);
10054 DisplayTitle(title);
10058 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
10059 gameMode = PlayFromGameFile;
10063 currentMove = forwardMostMove = backwardMostMove = 0;
10064 CopyBoard(boards[0], initialPosition);
10068 * Skip the first gn-1 games in the file.
10069 * Also skip over anything that precedes an identifiable
10070 * start of game marker, to avoid being confused by
10071 * garbage at the start of the file. Currently
10072 * recognized start of game markers are the move number "1",
10073 * the pattern "gnuchess .* game", the pattern
10074 * "^[#;%] [^ ]* game file", and a PGN tag block.
10075 * A game that starts with one of the latter two patterns
10076 * will also have a move number 1, possibly
10077 * following a position diagram.
10078 * 5-4-02: Let's try being more lenient and allowing a game to
10079 * start with an unnumbered move. Does that break anything?
10081 cm = lastLoadGameStart = (ChessMove) 0;
10083 yyboardindex = forwardMostMove;
10084 cm = (ChessMove) yylex();
10086 case (ChessMove) 0:
10087 if (cmailMsgLoaded) {
10088 nCmailGames = CMAIL_MAX_GAMES - gn;
10091 DisplayError(_("Game not found in file"), 0);
10098 lastLoadGameStart = cm;
10101 case MoveNumberOne:
10102 switch (lastLoadGameStart) {
10107 case MoveNumberOne:
10108 case (ChessMove) 0:
10109 gn--; /* count this game */
10110 lastLoadGameStart = cm;
10119 switch (lastLoadGameStart) {
10122 case MoveNumberOne:
10123 case (ChessMove) 0:
10124 gn--; /* count this game */
10125 lastLoadGameStart = cm;
10128 lastLoadGameStart = cm; /* game counted already */
10136 yyboardindex = forwardMostMove;
10137 cm = (ChessMove) yylex();
10138 } while (cm == PGNTag || cm == Comment);
10145 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
10146 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
10147 != CMAIL_OLD_RESULT) {
10149 cmailResult[ CMAIL_MAX_GAMES
10150 - gn - 1] = CMAIL_OLD_RESULT;
10156 /* Only a NormalMove can be at the start of a game
10157 * without a position diagram. */
10158 if (lastLoadGameStart == (ChessMove) 0) {
10160 lastLoadGameStart = MoveNumberOne;
10169 if (appData.debugMode)
10170 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
10172 if (cm == XBoardGame) {
10173 /* Skip any header junk before position diagram and/or move 1 */
10175 yyboardindex = forwardMostMove;
10176 cm = (ChessMove) yylex();
10178 if (cm == (ChessMove) 0 ||
10179 cm == GNUChessGame || cm == XBoardGame) {
10180 /* Empty game; pretend end-of-file and handle later */
10181 cm = (ChessMove) 0;
10185 if (cm == MoveNumberOne || cm == PositionDiagram ||
10186 cm == PGNTag || cm == Comment)
10189 } else if (cm == GNUChessGame) {
10190 if (gameInfo.event != NULL) {
10191 free(gameInfo.event);
10193 gameInfo.event = StrSave(yy_text);
10196 startedFromSetupPosition = FALSE;
10197 while (cm == PGNTag) {
10198 if (appData.debugMode)
10199 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
10200 err = ParsePGNTag(yy_text, &gameInfo);
10201 if (!err) numPGNTags++;
10203 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
10204 if(gameInfo.variant != oldVariant) {
10205 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
10206 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
10207 InitPosition(TRUE);
10208 oldVariant = gameInfo.variant;
10209 if (appData.debugMode)
10210 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
10214 if (gameInfo.fen != NULL) {
10215 Board initial_position;
10216 startedFromSetupPosition = TRUE;
10217 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
10219 DisplayError(_("Bad FEN position in file"), 0);
10222 CopyBoard(boards[0], initial_position);
10223 if (blackPlaysFirst) {
10224 currentMove = forwardMostMove = backwardMostMove = 1;
10225 CopyBoard(boards[1], initial_position);
10226 strcpy(moveList[0], "");
10227 strcpy(parseList[0], "");
10228 timeRemaining[0][1] = whiteTimeRemaining;
10229 timeRemaining[1][1] = blackTimeRemaining;
10230 if (commentList[0] != NULL) {
10231 commentList[1] = commentList[0];
10232 commentList[0] = NULL;
10235 currentMove = forwardMostMove = backwardMostMove = 0;
10237 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
10239 initialRulePlies = FENrulePlies;
10240 for( i=0; i< nrCastlingRights; i++ )
10241 initialRights[i] = initial_position[CASTLING][i];
10243 yyboardindex = forwardMostMove;
10244 free(gameInfo.fen);
10245 gameInfo.fen = NULL;
10248 yyboardindex = forwardMostMove;
10249 cm = (ChessMove) yylex();
10251 /* Handle comments interspersed among the tags */
10252 while (cm == Comment) {
10254 if (appData.debugMode)
10255 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10257 AppendComment(currentMove, p, FALSE);
10258 yyboardindex = forwardMostMove;
10259 cm = (ChessMove) yylex();
10263 /* don't rely on existence of Event tag since if game was
10264 * pasted from clipboard the Event tag may not exist
10266 if (numPGNTags > 0){
10268 if (gameInfo.variant == VariantNormal) {
10269 VariantClass v = StringToVariant(gameInfo.event);
10270 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
10271 if(v < VariantShogi) gameInfo.variant = v;
10274 if( appData.autoDisplayTags ) {
10275 tags = PGNTags(&gameInfo);
10276 TagsPopUp(tags, CmailMsg());
10281 /* Make something up, but don't display it now */
10286 if (cm == PositionDiagram) {
10289 Board initial_position;
10291 if (appData.debugMode)
10292 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
10294 if (!startedFromSetupPosition) {
10296 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
10297 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
10307 initial_position[i][j++] = CharToPiece(*p);
10310 while (*p == ' ' || *p == '\t' ||
10311 *p == '\n' || *p == '\r') p++;
10313 if (strncmp(p, "black", strlen("black"))==0)
10314 blackPlaysFirst = TRUE;
10316 blackPlaysFirst = FALSE;
10317 startedFromSetupPosition = TRUE;
10319 CopyBoard(boards[0], initial_position);
10320 if (blackPlaysFirst) {
10321 currentMove = forwardMostMove = backwardMostMove = 1;
10322 CopyBoard(boards[1], initial_position);
10323 strcpy(moveList[0], "");
10324 strcpy(parseList[0], "");
10325 timeRemaining[0][1] = whiteTimeRemaining;
10326 timeRemaining[1][1] = blackTimeRemaining;
10327 if (commentList[0] != NULL) {
10328 commentList[1] = commentList[0];
10329 commentList[0] = NULL;
10332 currentMove = forwardMostMove = backwardMostMove = 0;
10335 yyboardindex = forwardMostMove;
10336 cm = (ChessMove) yylex();
10339 if (first.pr == NoProc) {
10340 StartChessProgram(&first);
10342 InitChessProgram(&first, FALSE);
10343 SendToProgram("force\n", &first);
10344 if (startedFromSetupPosition) {
10345 SendBoard(&first, forwardMostMove);
10346 if (appData.debugMode) {
10347 fprintf(debugFP, "Load Game\n");
10349 DisplayBothClocks();
10352 /* [HGM] server: flag to write setup moves in broadcast file as one */
10353 loadFlag = appData.suppressLoadMoves;
10355 while (cm == Comment) {
10357 if (appData.debugMode)
10358 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10360 AppendComment(currentMove, p, FALSE);
10361 yyboardindex = forwardMostMove;
10362 cm = (ChessMove) yylex();
10365 if ((cm == (ChessMove) 0 && lastLoadGameStart != (ChessMove) 0) ||
10366 cm == WhiteWins || cm == BlackWins ||
10367 cm == GameIsDrawn || cm == GameUnfinished) {
10368 DisplayMessage("", _("No moves in game"));
10369 if (cmailMsgLoaded) {
10370 if (appData.debugMode)
10371 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
10375 DrawPosition(FALSE, boards[currentMove]);
10376 DisplayBothClocks();
10377 gameMode = EditGame;
10384 // [HGM] PV info: routine tests if comment empty
10385 if (!matchMode && (pausing || appData.timeDelay != 0)) {
10386 DisplayComment(currentMove - 1, commentList[currentMove]);
10388 if (!matchMode && appData.timeDelay != 0)
10389 DrawPosition(FALSE, boards[currentMove]);
10391 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
10392 programStats.ok_to_send = 1;
10395 /* if the first token after the PGN tags is a move
10396 * and not move number 1, retrieve it from the parser
10398 if (cm != MoveNumberOne)
10399 LoadGameOneMove(cm);
10401 /* load the remaining moves from the file */
10402 while (LoadGameOneMove((ChessMove)0)) {
10403 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10404 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10407 /* rewind to the start of the game */
10408 currentMove = backwardMostMove;
10410 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10412 if (oldGameMode == AnalyzeFile ||
10413 oldGameMode == AnalyzeMode) {
10414 AnalyzeFileEvent();
10417 if (matchMode || appData.timeDelay == 0) {
10419 gameMode = EditGame;
10421 } else if (appData.timeDelay > 0) {
10422 AutoPlayGameLoop();
10425 if (appData.debugMode)
10426 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
10428 loadFlag = 0; /* [HGM] true game starts */
10432 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
10434 ReloadPosition(offset)
10437 int positionNumber = lastLoadPositionNumber + offset;
10438 if (lastLoadPositionFP == NULL) {
10439 DisplayError(_("No position has been loaded yet"), 0);
10442 if (positionNumber <= 0) {
10443 DisplayError(_("Can't back up any further"), 0);
10446 return LoadPosition(lastLoadPositionFP, positionNumber,
10447 lastLoadPositionTitle);
10450 /* Load the nth position from the given file */
10452 LoadPositionFromFile(filename, n, title)
10460 if (strcmp(filename, "-") == 0) {
10461 return LoadPosition(stdin, n, "stdin");
10463 f = fopen(filename, "rb");
10465 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10466 DisplayError(buf, errno);
10469 return LoadPosition(f, n, title);
10474 /* Load the nth position from the given open file, and close it */
10476 LoadPosition(f, positionNumber, title)
10478 int positionNumber;
10481 char *p, line[MSG_SIZ];
10482 Board initial_position;
10483 int i, j, fenMode, pn;
10485 if (gameMode == Training )
10486 SetTrainingModeOff();
10488 if (gameMode != BeginningOfGame) {
10489 Reset(FALSE, TRUE);
10491 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
10492 fclose(lastLoadPositionFP);
10494 if (positionNumber == 0) positionNumber = 1;
10495 lastLoadPositionFP = f;
10496 lastLoadPositionNumber = positionNumber;
10497 strcpy(lastLoadPositionTitle, title);
10498 if (first.pr == NoProc) {
10499 StartChessProgram(&first);
10500 InitChessProgram(&first, FALSE);
10502 pn = positionNumber;
10503 if (positionNumber < 0) {
10504 /* Negative position number means to seek to that byte offset */
10505 if (fseek(f, -positionNumber, 0) == -1) {
10506 DisplayError(_("Can't seek on position file"), 0);
10511 if (fseek(f, 0, 0) == -1) {
10512 if (f == lastLoadPositionFP ?
10513 positionNumber == lastLoadPositionNumber + 1 :
10514 positionNumber == 1) {
10517 DisplayError(_("Can't seek on position file"), 0);
10522 /* See if this file is FEN or old-style xboard */
10523 if (fgets(line, MSG_SIZ, f) == NULL) {
10524 DisplayError(_("Position not found in file"), 0);
10527 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
10528 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
10531 if (fenMode || line[0] == '#') pn--;
10533 /* skip positions before number pn */
10534 if (fgets(line, MSG_SIZ, f) == NULL) {
10536 DisplayError(_("Position not found in file"), 0);
10539 if (fenMode || line[0] == '#') pn--;
10544 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
10545 DisplayError(_("Bad FEN position in file"), 0);
10549 (void) fgets(line, MSG_SIZ, f);
10550 (void) fgets(line, MSG_SIZ, f);
10552 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
10553 (void) fgets(line, MSG_SIZ, f);
10554 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
10557 initial_position[i][j++] = CharToPiece(*p);
10561 blackPlaysFirst = FALSE;
10563 (void) fgets(line, MSG_SIZ, f);
10564 if (strncmp(line, "black", strlen("black"))==0)
10565 blackPlaysFirst = TRUE;
10568 startedFromSetupPosition = TRUE;
10570 SendToProgram("force\n", &first);
10571 CopyBoard(boards[0], initial_position);
10572 if (blackPlaysFirst) {
10573 currentMove = forwardMostMove = backwardMostMove = 1;
10574 strcpy(moveList[0], "");
10575 strcpy(parseList[0], "");
10576 CopyBoard(boards[1], initial_position);
10577 DisplayMessage("", _("Black to play"));
10579 currentMove = forwardMostMove = backwardMostMove = 0;
10580 DisplayMessage("", _("White to play"));
10582 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
10583 SendBoard(&first, forwardMostMove);
10584 if (appData.debugMode) {
10586 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
10587 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
10588 fprintf(debugFP, "Load Position\n");
10591 if (positionNumber > 1) {
10592 sprintf(line, "%s %d", title, positionNumber);
10593 DisplayTitle(line);
10595 DisplayTitle(title);
10597 gameMode = EditGame;
10600 timeRemaining[0][1] = whiteTimeRemaining;
10601 timeRemaining[1][1] = blackTimeRemaining;
10602 DrawPosition(FALSE, boards[currentMove]);
10609 CopyPlayerNameIntoFileName(dest, src)
10612 while (*src != NULLCHAR && *src != ',') {
10617 *(*dest)++ = *src++;
10622 char *DefaultFileName(ext)
10625 static char def[MSG_SIZ];
10628 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
10630 CopyPlayerNameIntoFileName(&p, gameInfo.white);
10632 CopyPlayerNameIntoFileName(&p, gameInfo.black);
10641 /* Save the current game to the given file */
10643 SaveGameToFile(filename, append)
10650 if (strcmp(filename, "-") == 0) {
10651 return SaveGame(stdout, 0, NULL);
10653 f = fopen(filename, append ? "a" : "w");
10655 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10656 DisplayError(buf, errno);
10659 return SaveGame(f, 0, NULL);
10668 static char buf[MSG_SIZ];
10671 p = strchr(str, ' ');
10672 if (p == NULL) return str;
10673 strncpy(buf, str, p - str);
10674 buf[p - str] = NULLCHAR;
10678 #define PGN_MAX_LINE 75
10680 #define PGN_SIDE_WHITE 0
10681 #define PGN_SIDE_BLACK 1
10684 static int FindFirstMoveOutOfBook( int side )
10688 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
10689 int index = backwardMostMove;
10690 int has_book_hit = 0;
10692 if( (index % 2) != side ) {
10696 while( index < forwardMostMove ) {
10697 /* Check to see if engine is in book */
10698 int depth = pvInfoList[index].depth;
10699 int score = pvInfoList[index].score;
10705 else if( score == 0 && depth == 63 ) {
10706 in_book = 1; /* Zappa */
10708 else if( score == 2 && depth == 99 ) {
10709 in_book = 1; /* Abrok */
10712 has_book_hit += in_book;
10728 void GetOutOfBookInfo( char * buf )
10732 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10734 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
10735 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
10739 if( oob[0] >= 0 || oob[1] >= 0 ) {
10740 for( i=0; i<2; i++ ) {
10744 if( i > 0 && oob[0] >= 0 ) {
10745 strcat( buf, " " );
10748 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
10749 sprintf( buf+strlen(buf), "%s%.2f",
10750 pvInfoList[idx].score >= 0 ? "+" : "",
10751 pvInfoList[idx].score / 100.0 );
10757 /* Save game in PGN style and close the file */
10762 int i, offset, linelen, newblock;
10766 int movelen, numlen, blank;
10767 char move_buffer[100]; /* [AS] Buffer for move+PV info */
10769 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10771 tm = time((time_t *) NULL);
10773 PrintPGNTags(f, &gameInfo);
10775 if (backwardMostMove > 0 || startedFromSetupPosition) {
10776 char *fen = PositionToFEN(backwardMostMove, NULL);
10777 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
10778 fprintf(f, "\n{--------------\n");
10779 PrintPosition(f, backwardMostMove);
10780 fprintf(f, "--------------}\n");
10784 /* [AS] Out of book annotation */
10785 if( appData.saveOutOfBookInfo ) {
10788 GetOutOfBookInfo( buf );
10790 if( buf[0] != '\0' ) {
10791 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
10798 i = backwardMostMove;
10802 while (i < forwardMostMove) {
10803 /* Print comments preceding this move */
10804 if (commentList[i] != NULL) {
10805 if (linelen > 0) fprintf(f, "\n");
10806 fprintf(f, "%s", commentList[i]);
10811 /* Format move number */
10812 if ((i % 2) == 0) {
10813 sprintf(numtext, "%d.", (i - offset)/2 + 1);
10816 sprintf(numtext, "%d...", (i - offset)/2 + 1);
10818 numtext[0] = NULLCHAR;
10821 numlen = strlen(numtext);
10824 /* Print move number */
10825 blank = linelen > 0 && numlen > 0;
10826 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
10835 fprintf(f, "%s", numtext);
10839 strcpy(move_buffer, SavePart(parseList[i])); // [HGM] pgn: print move via buffer, so it can be edited
10840 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
10843 blank = linelen > 0 && movelen > 0;
10844 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10853 fprintf(f, "%s", move_buffer);
10854 linelen += movelen;
10856 /* [AS] Add PV info if present */
10857 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
10858 /* [HGM] add time */
10859 char buf[MSG_SIZ]; int seconds;
10861 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
10863 if( seconds <= 0) buf[0] = 0; else
10864 if( seconds < 30 ) sprintf(buf, " %3.1f%c", seconds/10., 0); else {
10865 seconds = (seconds + 4)/10; // round to full seconds
10866 if( seconds < 60 ) sprintf(buf, " %d%c", seconds, 0); else
10867 sprintf(buf, " %d:%02d%c", seconds/60, seconds%60, 0);
10870 sprintf( move_buffer, "{%s%.2f/%d%s}",
10871 pvInfoList[i].score >= 0 ? "+" : "",
10872 pvInfoList[i].score / 100.0,
10873 pvInfoList[i].depth,
10876 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
10878 /* Print score/depth */
10879 blank = linelen > 0 && movelen > 0;
10880 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10889 fprintf(f, "%s", move_buffer);
10890 linelen += movelen;
10896 /* Start a new line */
10897 if (linelen > 0) fprintf(f, "\n");
10899 /* Print comments after last move */
10900 if (commentList[i] != NULL) {
10901 fprintf(f, "%s\n", commentList[i]);
10905 if (gameInfo.resultDetails != NULL &&
10906 gameInfo.resultDetails[0] != NULLCHAR) {
10907 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
10908 PGNResult(gameInfo.result));
10910 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10914 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10918 /* Save game in old style and close the file */
10920 SaveGameOldStyle(f)
10926 tm = time((time_t *) NULL);
10928 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
10931 if (backwardMostMove > 0 || startedFromSetupPosition) {
10932 fprintf(f, "\n[--------------\n");
10933 PrintPosition(f, backwardMostMove);
10934 fprintf(f, "--------------]\n");
10939 i = backwardMostMove;
10940 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10942 while (i < forwardMostMove) {
10943 if (commentList[i] != NULL) {
10944 fprintf(f, "[%s]\n", commentList[i]);
10947 if ((i % 2) == 1) {
10948 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
10951 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
10953 if (commentList[i] != NULL) {
10957 if (i >= forwardMostMove) {
10961 fprintf(f, "%s\n", parseList[i]);
10966 if (commentList[i] != NULL) {
10967 fprintf(f, "[%s]\n", commentList[i]);
10970 /* This isn't really the old style, but it's close enough */
10971 if (gameInfo.resultDetails != NULL &&
10972 gameInfo.resultDetails[0] != NULLCHAR) {
10973 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
10974 gameInfo.resultDetails);
10976 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10983 /* Save the current game to open file f and close the file */
10985 SaveGame(f, dummy, dummy2)
10990 if (gameMode == EditPosition) EditPositionDone(TRUE);
10991 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10992 if (appData.oldSaveStyle)
10993 return SaveGameOldStyle(f);
10995 return SaveGamePGN(f);
10998 /* Save the current position to the given file */
11000 SavePositionToFile(filename)
11006 if (strcmp(filename, "-") == 0) {
11007 return SavePosition(stdout, 0, NULL);
11009 f = fopen(filename, "a");
11011 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11012 DisplayError(buf, errno);
11015 SavePosition(f, 0, NULL);
11021 /* Save the current position to the given open file and close the file */
11023 SavePosition(f, dummy, dummy2)
11031 if (gameMode == EditPosition) EditPositionDone(TRUE);
11032 if (appData.oldSaveStyle) {
11033 tm = time((time_t *) NULL);
11035 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
11037 fprintf(f, "[--------------\n");
11038 PrintPosition(f, currentMove);
11039 fprintf(f, "--------------]\n");
11041 fen = PositionToFEN(currentMove, NULL);
11042 fprintf(f, "%s\n", fen);
11050 ReloadCmailMsgEvent(unregister)
11054 static char *inFilename = NULL;
11055 static char *outFilename;
11057 struct stat inbuf, outbuf;
11060 /* Any registered moves are unregistered if unregister is set, */
11061 /* i.e. invoked by the signal handler */
11063 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11064 cmailMoveRegistered[i] = FALSE;
11065 if (cmailCommentList[i] != NULL) {
11066 free(cmailCommentList[i]);
11067 cmailCommentList[i] = NULL;
11070 nCmailMovesRegistered = 0;
11073 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11074 cmailResult[i] = CMAIL_NOT_RESULT;
11078 if (inFilename == NULL) {
11079 /* Because the filenames are static they only get malloced once */
11080 /* and they never get freed */
11081 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
11082 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
11084 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
11085 sprintf(outFilename, "%s.out", appData.cmailGameName);
11088 status = stat(outFilename, &outbuf);
11090 cmailMailedMove = FALSE;
11092 status = stat(inFilename, &inbuf);
11093 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
11096 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
11097 counts the games, notes how each one terminated, etc.
11099 It would be nice to remove this kludge and instead gather all
11100 the information while building the game list. (And to keep it
11101 in the game list nodes instead of having a bunch of fixed-size
11102 parallel arrays.) Note this will require getting each game's
11103 termination from the PGN tags, as the game list builder does
11104 not process the game moves. --mann
11106 cmailMsgLoaded = TRUE;
11107 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
11109 /* Load first game in the file or popup game menu */
11110 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
11112 #endif /* !WIN32 */
11120 char string[MSG_SIZ];
11122 if ( cmailMailedMove
11123 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
11124 return TRUE; /* Allow free viewing */
11127 /* Unregister move to ensure that we don't leave RegisterMove */
11128 /* with the move registered when the conditions for registering no */
11130 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11131 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11132 nCmailMovesRegistered --;
11134 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
11136 free(cmailCommentList[lastLoadGameNumber - 1]);
11137 cmailCommentList[lastLoadGameNumber - 1] = NULL;
11141 if (cmailOldMove == -1) {
11142 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
11146 if (currentMove > cmailOldMove + 1) {
11147 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
11151 if (currentMove < cmailOldMove) {
11152 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
11156 if (forwardMostMove > currentMove) {
11157 /* Silently truncate extra moves */
11161 if ( (currentMove == cmailOldMove + 1)
11162 || ( (currentMove == cmailOldMove)
11163 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
11164 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
11165 if (gameInfo.result != GameUnfinished) {
11166 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
11169 if (commentList[currentMove] != NULL) {
11170 cmailCommentList[lastLoadGameNumber - 1]
11171 = StrSave(commentList[currentMove]);
11173 strcpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1]);
11175 if (appData.debugMode)
11176 fprintf(debugFP, "Saving %s for game %d\n",
11177 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11180 "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
11182 f = fopen(string, "w");
11183 if (appData.oldSaveStyle) {
11184 SaveGameOldStyle(f); /* also closes the file */
11186 sprintf(string, "%s.pos.out", appData.cmailGameName);
11187 f = fopen(string, "w");
11188 SavePosition(f, 0, NULL); /* also closes the file */
11190 fprintf(f, "{--------------\n");
11191 PrintPosition(f, currentMove);
11192 fprintf(f, "--------------}\n\n");
11194 SaveGame(f, 0, NULL); /* also closes the file*/
11197 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
11198 nCmailMovesRegistered ++;
11199 } else if (nCmailGames == 1) {
11200 DisplayError(_("You have not made a move yet"), 0);
11211 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
11212 FILE *commandOutput;
11213 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
11214 int nBytes = 0; /* Suppress warnings on uninitialized variables */
11220 if (! cmailMsgLoaded) {
11221 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
11225 if (nCmailGames == nCmailResults) {
11226 DisplayError(_("No unfinished games"), 0);
11230 #if CMAIL_PROHIBIT_REMAIL
11231 if (cmailMailedMove) {
11232 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);
11233 DisplayError(msg, 0);
11238 if (! (cmailMailedMove || RegisterMove())) return;
11240 if ( cmailMailedMove
11241 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
11242 sprintf(string, partCommandString,
11243 appData.debugMode ? " -v" : "", appData.cmailGameName);
11244 commandOutput = popen(string, "r");
11246 if (commandOutput == NULL) {
11247 DisplayError(_("Failed to invoke cmail"), 0);
11249 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
11250 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
11252 if (nBuffers > 1) {
11253 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
11254 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
11255 nBytes = MSG_SIZ - 1;
11257 (void) memcpy(msg, buffer, nBytes);
11259 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
11261 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
11262 cmailMailedMove = TRUE; /* Prevent >1 moves */
11265 for (i = 0; i < nCmailGames; i ++) {
11266 if (cmailResult[i] == CMAIL_NOT_RESULT) {
11271 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
11273 sprintf(buffer, "%s/%s.%s.archive",
11275 appData.cmailGameName,
11277 LoadGameFromFile(buffer, 1, buffer, FALSE);
11278 cmailMsgLoaded = FALSE;
11282 DisplayInformation(msg);
11283 pclose(commandOutput);
11286 if ((*cmailMsg) != '\0') {
11287 DisplayInformation(cmailMsg);
11292 #endif /* !WIN32 */
11301 int prependComma = 0;
11303 char string[MSG_SIZ]; /* Space for game-list */
11306 if (!cmailMsgLoaded) return "";
11308 if (cmailMailedMove) {
11309 sprintf(cmailMsg, _("Waiting for reply from opponent\n"));
11311 /* Create a list of games left */
11312 sprintf(string, "[");
11313 for (i = 0; i < nCmailGames; i ++) {
11314 if (! ( cmailMoveRegistered[i]
11315 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
11316 if (prependComma) {
11317 sprintf(number, ",%d", i + 1);
11319 sprintf(number, "%d", i + 1);
11323 strcat(string, number);
11326 strcat(string, "]");
11328 if (nCmailMovesRegistered + nCmailResults == 0) {
11329 switch (nCmailGames) {
11332 _("Still need to make move for game\n"));
11337 _("Still need to make moves for both games\n"));
11342 _("Still need to make moves for all %d games\n"),
11347 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
11350 _("Still need to make a move for game %s\n"),
11355 if (nCmailResults == nCmailGames) {
11356 sprintf(cmailMsg, _("No unfinished games\n"));
11358 sprintf(cmailMsg, _("Ready to send mail\n"));
11364 _("Still need to make moves for games %s\n"),
11376 if (gameMode == Training)
11377 SetTrainingModeOff();
11380 cmailMsgLoaded = FALSE;
11381 if (appData.icsActive) {
11382 SendToICS(ics_prefix);
11383 SendToICS("refresh\n");
11393 /* Give up on clean exit */
11397 /* Keep trying for clean exit */
11401 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
11403 if (telnetISR != NULL) {
11404 RemoveInputSource(telnetISR);
11406 if (icsPR != NoProc) {
11407 DestroyChildProcess(icsPR, TRUE);
11410 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
11411 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
11413 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
11414 /* make sure this other one finishes before killing it! */
11415 if(endingGame) { int count = 0;
11416 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
11417 while(endingGame && count++ < 10) DoSleep(1);
11418 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
11421 /* Kill off chess programs */
11422 if (first.pr != NoProc) {
11425 DoSleep( appData.delayBeforeQuit );
11426 SendToProgram("quit\n", &first);
11427 DoSleep( appData.delayAfterQuit );
11428 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
11430 if (second.pr != NoProc) {
11431 DoSleep( appData.delayBeforeQuit );
11432 SendToProgram("quit\n", &second);
11433 DoSleep( appData.delayAfterQuit );
11434 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
11436 if (first.isr != NULL) {
11437 RemoveInputSource(first.isr);
11439 if (second.isr != NULL) {
11440 RemoveInputSource(second.isr);
11443 ShutDownFrontEnd();
11450 if (appData.debugMode)
11451 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
11455 if (gameMode == MachinePlaysWhite ||
11456 gameMode == MachinePlaysBlack) {
11459 DisplayBothClocks();
11461 if (gameMode == PlayFromGameFile) {
11462 if (appData.timeDelay >= 0)
11463 AutoPlayGameLoop();
11464 } else if (gameMode == IcsExamining && pauseExamInvalid) {
11465 Reset(FALSE, TRUE);
11466 SendToICS(ics_prefix);
11467 SendToICS("refresh\n");
11468 } else if (currentMove < forwardMostMove) {
11469 ForwardInner(forwardMostMove);
11471 pauseExamInvalid = FALSE;
11473 switch (gameMode) {
11477 pauseExamForwardMostMove = forwardMostMove;
11478 pauseExamInvalid = FALSE;
11481 case IcsPlayingWhite:
11482 case IcsPlayingBlack:
11486 case PlayFromGameFile:
11487 (void) StopLoadGameTimer();
11491 case BeginningOfGame:
11492 if (appData.icsActive) return;
11493 /* else fall through */
11494 case MachinePlaysWhite:
11495 case MachinePlaysBlack:
11496 case TwoMachinesPlay:
11497 if (forwardMostMove == 0)
11498 return; /* don't pause if no one has moved */
11499 if ((gameMode == MachinePlaysWhite &&
11500 !WhiteOnMove(forwardMostMove)) ||
11501 (gameMode == MachinePlaysBlack &&
11502 WhiteOnMove(forwardMostMove))) {
11515 char title[MSG_SIZ];
11517 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
11518 strcpy(title, _("Edit comment"));
11520 sprintf(title, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
11521 WhiteOnMove(currentMove - 1) ? " " : ".. ",
11522 parseList[currentMove - 1]);
11525 EditCommentPopUp(currentMove, title, commentList[currentMove]);
11532 char *tags = PGNTags(&gameInfo);
11533 EditTagsPopUp(tags);
11540 if (appData.noChessProgram || gameMode == AnalyzeMode)
11543 if (gameMode != AnalyzeFile) {
11544 if (!appData.icsEngineAnalyze) {
11546 if (gameMode != EditGame) return;
11548 ResurrectChessProgram();
11549 SendToProgram("analyze\n", &first);
11550 first.analyzing = TRUE;
11551 /*first.maybeThinking = TRUE;*/
11552 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11553 EngineOutputPopUp();
11555 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
11560 StartAnalysisClock();
11561 GetTimeMark(&lastNodeCountTime);
11568 if (appData.noChessProgram || gameMode == AnalyzeFile)
11571 if (gameMode != AnalyzeMode) {
11573 if (gameMode != EditGame) return;
11574 ResurrectChessProgram();
11575 SendToProgram("analyze\n", &first);
11576 first.analyzing = TRUE;
11577 /*first.maybeThinking = TRUE;*/
11578 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11579 EngineOutputPopUp();
11581 gameMode = AnalyzeFile;
11586 StartAnalysisClock();
11587 GetTimeMark(&lastNodeCountTime);
11592 MachineWhiteEvent()
11595 char *bookHit = NULL;
11597 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
11601 if (gameMode == PlayFromGameFile ||
11602 gameMode == TwoMachinesPlay ||
11603 gameMode == Training ||
11604 gameMode == AnalyzeMode ||
11605 gameMode == EndOfGame)
11608 if (gameMode == EditPosition)
11609 EditPositionDone(TRUE);
11611 if (!WhiteOnMove(currentMove)) {
11612 DisplayError(_("It is not White's turn"), 0);
11616 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11619 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11620 gameMode == AnalyzeFile)
11623 ResurrectChessProgram(); /* in case it isn't running */
11624 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
11625 gameMode = MachinePlaysWhite;
11628 gameMode = MachinePlaysWhite;
11632 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11634 if (first.sendName) {
11635 sprintf(buf, "name %s\n", gameInfo.black);
11636 SendToProgram(buf, &first);
11638 if (first.sendTime) {
11639 if (first.useColors) {
11640 SendToProgram("black\n", &first); /*gnu kludge*/
11642 SendTimeRemaining(&first, TRUE);
11644 if (first.useColors) {
11645 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
11647 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11648 SetMachineThinkingEnables();
11649 first.maybeThinking = TRUE;
11653 if (appData.autoFlipView && !flipView) {
11654 flipView = !flipView;
11655 DrawPosition(FALSE, NULL);
11656 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11659 if(bookHit) { // [HGM] book: simulate book reply
11660 static char bookMove[MSG_SIZ]; // a bit generous?
11662 programStats.nodes = programStats.depth = programStats.time =
11663 programStats.score = programStats.got_only_move = 0;
11664 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11666 strcpy(bookMove, "move ");
11667 strcat(bookMove, bookHit);
11668 HandleMachineMove(bookMove, &first);
11673 MachineBlackEvent()
11676 char *bookHit = NULL;
11678 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
11682 if (gameMode == PlayFromGameFile ||
11683 gameMode == TwoMachinesPlay ||
11684 gameMode == Training ||
11685 gameMode == AnalyzeMode ||
11686 gameMode == EndOfGame)
11689 if (gameMode == EditPosition)
11690 EditPositionDone(TRUE);
11692 if (WhiteOnMove(currentMove)) {
11693 DisplayError(_("It is not Black's turn"), 0);
11697 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11700 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11701 gameMode == AnalyzeFile)
11704 ResurrectChessProgram(); /* in case it isn't running */
11705 gameMode = MachinePlaysBlack;
11709 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11711 if (first.sendName) {
11712 sprintf(buf, "name %s\n", gameInfo.white);
11713 SendToProgram(buf, &first);
11715 if (first.sendTime) {
11716 if (first.useColors) {
11717 SendToProgram("white\n", &first); /*gnu kludge*/
11719 SendTimeRemaining(&first, FALSE);
11721 if (first.useColors) {
11722 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
11724 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11725 SetMachineThinkingEnables();
11726 first.maybeThinking = TRUE;
11729 if (appData.autoFlipView && flipView) {
11730 flipView = !flipView;
11731 DrawPosition(FALSE, NULL);
11732 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11734 if(bookHit) { // [HGM] book: simulate book reply
11735 static char bookMove[MSG_SIZ]; // a bit generous?
11737 programStats.nodes = programStats.depth = programStats.time =
11738 programStats.score = programStats.got_only_move = 0;
11739 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11741 strcpy(bookMove, "move ");
11742 strcat(bookMove, bookHit);
11743 HandleMachineMove(bookMove, &first);
11749 DisplayTwoMachinesTitle()
11752 if (appData.matchGames > 0) {
11753 if (first.twoMachinesColor[0] == 'w') {
11754 sprintf(buf, "%s vs. %s (%d-%d-%d)",
11755 gameInfo.white, gameInfo.black,
11756 first.matchWins, second.matchWins,
11757 matchGame - 1 - (first.matchWins + second.matchWins));
11759 sprintf(buf, "%s vs. %s (%d-%d-%d)",
11760 gameInfo.white, gameInfo.black,
11761 second.matchWins, first.matchWins,
11762 matchGame - 1 - (first.matchWins + second.matchWins));
11765 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11771 TwoMachinesEvent P((void))
11775 ChessProgramState *onmove;
11776 char *bookHit = NULL;
11778 if (appData.noChessProgram) return;
11780 switch (gameMode) {
11781 case TwoMachinesPlay:
11783 case MachinePlaysWhite:
11784 case MachinePlaysBlack:
11785 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11786 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11790 case BeginningOfGame:
11791 case PlayFromGameFile:
11794 if (gameMode != EditGame) return;
11797 EditPositionDone(TRUE);
11808 // forwardMostMove = currentMove;
11809 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
11810 ResurrectChessProgram(); /* in case first program isn't running */
11812 if (second.pr == NULL) {
11813 StartChessProgram(&second);
11814 if (second.protocolVersion == 1) {
11815 TwoMachinesEventIfReady();
11817 /* kludge: allow timeout for initial "feature" command */
11819 DisplayMessage("", _("Starting second chess program"));
11820 ScheduleDelayedEvent(TwoMachinesEventIfReady, FEATURE_TIMEOUT);
11824 DisplayMessage("", "");
11825 InitChessProgram(&second, FALSE);
11826 SendToProgram("force\n", &second);
11827 if (startedFromSetupPosition) {
11828 SendBoard(&second, backwardMostMove);
11829 if (appData.debugMode) {
11830 fprintf(debugFP, "Two Machines\n");
11833 for (i = backwardMostMove; i < forwardMostMove; i++) {
11834 SendMoveToProgram(i, &second);
11837 gameMode = TwoMachinesPlay;
11841 DisplayTwoMachinesTitle();
11843 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
11849 SendToProgram(first.computerString, &first);
11850 if (first.sendName) {
11851 sprintf(buf, "name %s\n", second.tidy);
11852 SendToProgram(buf, &first);
11854 SendToProgram(second.computerString, &second);
11855 if (second.sendName) {
11856 sprintf(buf, "name %s\n", first.tidy);
11857 SendToProgram(buf, &second);
11861 if (!first.sendTime || !second.sendTime) {
11862 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11863 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11865 if (onmove->sendTime) {
11866 if (onmove->useColors) {
11867 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
11869 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
11871 if (onmove->useColors) {
11872 SendToProgram(onmove->twoMachinesColor, onmove);
11874 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
11875 // SendToProgram("go\n", onmove);
11876 onmove->maybeThinking = TRUE;
11877 SetMachineThinkingEnables();
11881 if(bookHit) { // [HGM] book: simulate book reply
11882 static char bookMove[MSG_SIZ]; // a bit generous?
11884 programStats.nodes = programStats.depth = programStats.time =
11885 programStats.score = programStats.got_only_move = 0;
11886 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11888 strcpy(bookMove, "move ");
11889 strcat(bookMove, bookHit);
11890 savedMessage = bookMove; // args for deferred call
11891 savedState = onmove;
11892 ScheduleDelayedEvent(DeferredBookMove, 1);
11899 if (gameMode == Training) {
11900 SetTrainingModeOff();
11901 gameMode = PlayFromGameFile;
11902 DisplayMessage("", _("Training mode off"));
11904 gameMode = Training;
11905 animateTraining = appData.animate;
11907 /* make sure we are not already at the end of the game */
11908 if (currentMove < forwardMostMove) {
11909 SetTrainingModeOn();
11910 DisplayMessage("", _("Training mode on"));
11912 gameMode = PlayFromGameFile;
11913 DisplayError(_("Already at end of game"), 0);
11922 if (!appData.icsActive) return;
11923 switch (gameMode) {
11924 case IcsPlayingWhite:
11925 case IcsPlayingBlack:
11928 case BeginningOfGame:
11936 EditPositionDone(TRUE);
11949 gameMode = IcsIdle;
11960 switch (gameMode) {
11962 SetTrainingModeOff();
11964 case MachinePlaysWhite:
11965 case MachinePlaysBlack:
11966 case BeginningOfGame:
11967 SendToProgram("force\n", &first);
11968 SetUserThinkingEnables();
11970 case PlayFromGameFile:
11971 (void) StopLoadGameTimer();
11972 if (gameFileFP != NULL) {
11977 EditPositionDone(TRUE);
11982 SendToProgram("force\n", &first);
11984 case TwoMachinesPlay:
11985 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
11986 ResurrectChessProgram();
11987 SetUserThinkingEnables();
11990 ResurrectChessProgram();
11992 case IcsPlayingBlack:
11993 case IcsPlayingWhite:
11994 DisplayError(_("Warning: You are still playing a game"), 0);
11997 DisplayError(_("Warning: You are still observing a game"), 0);
12000 DisplayError(_("Warning: You are still examining a game"), 0);
12011 first.offeredDraw = second.offeredDraw = 0;
12013 if (gameMode == PlayFromGameFile) {
12014 whiteTimeRemaining = timeRemaining[0][currentMove];
12015 blackTimeRemaining = timeRemaining[1][currentMove];
12019 if (gameMode == MachinePlaysWhite ||
12020 gameMode == MachinePlaysBlack ||
12021 gameMode == TwoMachinesPlay ||
12022 gameMode == EndOfGame) {
12023 i = forwardMostMove;
12024 while (i > currentMove) {
12025 SendToProgram("undo\n", &first);
12028 whiteTimeRemaining = timeRemaining[0][currentMove];
12029 blackTimeRemaining = timeRemaining[1][currentMove];
12030 DisplayBothClocks();
12031 if (whiteFlag || blackFlag) {
12032 whiteFlag = blackFlag = 0;
12037 gameMode = EditGame;
12044 EditPositionEvent()
12046 if (gameMode == EditPosition) {
12052 if (gameMode != EditGame) return;
12054 gameMode = EditPosition;
12057 if (currentMove > 0)
12058 CopyBoard(boards[0], boards[currentMove]);
12060 blackPlaysFirst = !WhiteOnMove(currentMove);
12062 currentMove = forwardMostMove = backwardMostMove = 0;
12063 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12070 /* [DM] icsEngineAnalyze - possible call from other functions */
12071 if (appData.icsEngineAnalyze) {
12072 appData.icsEngineAnalyze = FALSE;
12074 DisplayMessage("",_("Close ICS engine analyze..."));
12076 if (first.analysisSupport && first.analyzing) {
12077 SendToProgram("exit\n", &first);
12078 first.analyzing = FALSE;
12080 thinkOutput[0] = NULLCHAR;
12084 EditPositionDone(Boolean fakeRights)
12086 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
12088 startedFromSetupPosition = TRUE;
12089 InitChessProgram(&first, FALSE);
12090 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
12091 boards[0][EP_STATUS] = EP_NONE;
12092 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
12093 if(boards[0][0][BOARD_WIDTH>>1] == king) {
12094 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
12095 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
12096 } else boards[0][CASTLING][2] = NoRights;
12097 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
12098 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
12099 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
12100 } else boards[0][CASTLING][5] = NoRights;
12102 SendToProgram("force\n", &first);
12103 if (blackPlaysFirst) {
12104 strcpy(moveList[0], "");
12105 strcpy(parseList[0], "");
12106 currentMove = forwardMostMove = backwardMostMove = 1;
12107 CopyBoard(boards[1], boards[0]);
12109 currentMove = forwardMostMove = backwardMostMove = 0;
12111 SendBoard(&first, forwardMostMove);
12112 if (appData.debugMode) {
12113 fprintf(debugFP, "EditPosDone\n");
12116 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12117 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12118 gameMode = EditGame;
12120 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12121 ClearHighlights(); /* [AS] */
12124 /* Pause for `ms' milliseconds */
12125 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12135 } while (SubtractTimeMarks(&m2, &m1) < ms);
12138 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12140 SendMultiLineToICS(buf)
12143 char temp[MSG_SIZ+1], *p;
12150 strncpy(temp, buf, len);
12155 if (*p == '\n' || *p == '\r')
12160 strcat(temp, "\n");
12162 SendToPlayer(temp, strlen(temp));
12166 SetWhiteToPlayEvent()
12168 if (gameMode == EditPosition) {
12169 blackPlaysFirst = FALSE;
12170 DisplayBothClocks(); /* works because currentMove is 0 */
12171 } else if (gameMode == IcsExamining) {
12172 SendToICS(ics_prefix);
12173 SendToICS("tomove white\n");
12178 SetBlackToPlayEvent()
12180 if (gameMode == EditPosition) {
12181 blackPlaysFirst = TRUE;
12182 currentMove = 1; /* kludge */
12183 DisplayBothClocks();
12185 } else if (gameMode == IcsExamining) {
12186 SendToICS(ics_prefix);
12187 SendToICS("tomove black\n");
12192 EditPositionMenuEvent(selection, x, y)
12193 ChessSquare selection;
12197 ChessSquare piece = boards[0][y][x];
12199 if (gameMode != EditPosition && gameMode != IcsExamining) return;
12201 switch (selection) {
12203 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
12204 SendToICS(ics_prefix);
12205 SendToICS("bsetup clear\n");
12206 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
12207 SendToICS(ics_prefix);
12208 SendToICS("clearboard\n");
12210 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
12211 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
12212 for (y = 0; y < BOARD_HEIGHT; y++) {
12213 if (gameMode == IcsExamining) {
12214 if (boards[currentMove][y][x] != EmptySquare) {
12215 sprintf(buf, "%sx@%c%c\n", ics_prefix,
12220 boards[0][y][x] = p;
12225 if (gameMode == EditPosition) {
12226 DrawPosition(FALSE, boards[0]);
12231 SetWhiteToPlayEvent();
12235 SetBlackToPlayEvent();
12239 if (gameMode == IcsExamining) {
12240 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12241 sprintf(buf, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
12244 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12245 if(x == BOARD_LEFT-2) {
12246 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
12247 boards[0][y][1] = 0;
12249 if(x == BOARD_RGHT+1) {
12250 if(y >= gameInfo.holdingsSize) break;
12251 boards[0][y][BOARD_WIDTH-2] = 0;
12254 boards[0][y][x] = EmptySquare;
12255 DrawPosition(FALSE, boards[0]);
12260 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
12261 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
12262 selection = (ChessSquare) (PROMOTED piece);
12263 } else if(piece == EmptySquare) selection = WhiteSilver;
12264 else selection = (ChessSquare)((int)piece - 1);
12268 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
12269 piece > (int)BlackMan && piece <= (int)BlackKing ) {
12270 selection = (ChessSquare) (DEMOTED piece);
12271 } else if(piece == EmptySquare) selection = BlackSilver;
12272 else selection = (ChessSquare)((int)piece + 1);
12277 if(gameInfo.variant == VariantShatranj ||
12278 gameInfo.variant == VariantXiangqi ||
12279 gameInfo.variant == VariantCourier ||
12280 gameInfo.variant == VariantMakruk )
12281 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
12286 if(gameInfo.variant == VariantXiangqi)
12287 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
12288 if(gameInfo.variant == VariantKnightmate)
12289 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
12292 if (gameMode == IcsExamining) {
12293 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12294 sprintf(buf, "%s%c@%c%c\n", ics_prefix,
12295 PieceToChar(selection), AAA + x, ONE + y);
12298 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12300 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
12301 n = PieceToNumber(selection - BlackPawn);
12302 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
12303 boards[0][BOARD_HEIGHT-1-n][0] = selection;
12304 boards[0][BOARD_HEIGHT-1-n][1]++;
12306 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
12307 n = PieceToNumber(selection);
12308 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
12309 boards[0][n][BOARD_WIDTH-1] = selection;
12310 boards[0][n][BOARD_WIDTH-2]++;
12313 boards[0][y][x] = selection;
12314 DrawPosition(TRUE, boards[0]);
12322 DropMenuEvent(selection, x, y)
12323 ChessSquare selection;
12326 ChessMove moveType;
12328 switch (gameMode) {
12329 case IcsPlayingWhite:
12330 case MachinePlaysBlack:
12331 if (!WhiteOnMove(currentMove)) {
12332 DisplayMoveError(_("It is Black's turn"));
12335 moveType = WhiteDrop;
12337 case IcsPlayingBlack:
12338 case MachinePlaysWhite:
12339 if (WhiteOnMove(currentMove)) {
12340 DisplayMoveError(_("It is White's turn"));
12343 moveType = BlackDrop;
12346 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
12352 if (moveType == BlackDrop && selection < BlackPawn) {
12353 selection = (ChessSquare) ((int) selection
12354 + (int) BlackPawn - (int) WhitePawn);
12356 if (boards[currentMove][y][x] != EmptySquare) {
12357 DisplayMoveError(_("That square is occupied"));
12361 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
12367 /* Accept a pending offer of any kind from opponent */
12369 if (appData.icsActive) {
12370 SendToICS(ics_prefix);
12371 SendToICS("accept\n");
12372 } else if (cmailMsgLoaded) {
12373 if (currentMove == cmailOldMove &&
12374 commentList[cmailOldMove] != NULL &&
12375 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12376 "Black offers a draw" : "White offers a draw")) {
12378 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12379 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12381 DisplayError(_("There is no pending offer on this move"), 0);
12382 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12385 /* Not used for offers from chess program */
12392 /* Decline a pending offer of any kind from opponent */
12394 if (appData.icsActive) {
12395 SendToICS(ics_prefix);
12396 SendToICS("decline\n");
12397 } else if (cmailMsgLoaded) {
12398 if (currentMove == cmailOldMove &&
12399 commentList[cmailOldMove] != NULL &&
12400 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12401 "Black offers a draw" : "White offers a draw")) {
12403 AppendComment(cmailOldMove, "Draw declined", TRUE);
12404 DisplayComment(cmailOldMove - 1, "Draw declined");
12407 DisplayError(_("There is no pending offer on this move"), 0);
12410 /* Not used for offers from chess program */
12417 /* Issue ICS rematch command */
12418 if (appData.icsActive) {
12419 SendToICS(ics_prefix);
12420 SendToICS("rematch\n");
12427 /* Call your opponent's flag (claim a win on time) */
12428 if (appData.icsActive) {
12429 SendToICS(ics_prefix);
12430 SendToICS("flag\n");
12432 switch (gameMode) {
12435 case MachinePlaysWhite:
12438 GameEnds(GameIsDrawn, "Both players ran out of time",
12441 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
12443 DisplayError(_("Your opponent is not out of time"), 0);
12446 case MachinePlaysBlack:
12449 GameEnds(GameIsDrawn, "Both players ran out of time",
12452 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
12454 DisplayError(_("Your opponent is not out of time"), 0);
12464 /* Offer draw or accept pending draw offer from opponent */
12466 if (appData.icsActive) {
12467 /* Note: tournament rules require draw offers to be
12468 made after you make your move but before you punch
12469 your clock. Currently ICS doesn't let you do that;
12470 instead, you immediately punch your clock after making
12471 a move, but you can offer a draw at any time. */
12473 SendToICS(ics_prefix);
12474 SendToICS("draw\n");
12475 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
12476 } else if (cmailMsgLoaded) {
12477 if (currentMove == cmailOldMove &&
12478 commentList[cmailOldMove] != NULL &&
12479 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12480 "Black offers a draw" : "White offers a draw")) {
12481 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12482 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12483 } else if (currentMove == cmailOldMove + 1) {
12484 char *offer = WhiteOnMove(cmailOldMove) ?
12485 "White offers a draw" : "Black offers a draw";
12486 AppendComment(currentMove, offer, TRUE);
12487 DisplayComment(currentMove - 1, offer);
12488 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
12490 DisplayError(_("You must make your move before offering a draw"), 0);
12491 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12493 } else if (first.offeredDraw) {
12494 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
12496 if (first.sendDrawOffers) {
12497 SendToProgram("draw\n", &first);
12498 userOfferedDraw = TRUE;
12506 /* Offer Adjourn or accept pending Adjourn offer from opponent */
12508 if (appData.icsActive) {
12509 SendToICS(ics_prefix);
12510 SendToICS("adjourn\n");
12512 /* Currently GNU Chess doesn't offer or accept Adjourns */
12520 /* Offer Abort or accept pending Abort offer from opponent */
12522 if (appData.icsActive) {
12523 SendToICS(ics_prefix);
12524 SendToICS("abort\n");
12526 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
12533 /* Resign. You can do this even if it's not your turn. */
12535 if (appData.icsActive) {
12536 SendToICS(ics_prefix);
12537 SendToICS("resign\n");
12539 switch (gameMode) {
12540 case MachinePlaysWhite:
12541 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12543 case MachinePlaysBlack:
12544 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12547 if (cmailMsgLoaded) {
12549 if (WhiteOnMove(cmailOldMove)) {
12550 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12552 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12554 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
12565 StopObservingEvent()
12567 /* Stop observing current games */
12568 SendToICS(ics_prefix);
12569 SendToICS("unobserve\n");
12573 StopExaminingEvent()
12575 /* Stop observing current game */
12576 SendToICS(ics_prefix);
12577 SendToICS("unexamine\n");
12581 ForwardInner(target)
12586 if (appData.debugMode)
12587 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
12588 target, currentMove, forwardMostMove);
12590 if (gameMode == EditPosition)
12593 if (gameMode == PlayFromGameFile && !pausing)
12596 if (gameMode == IcsExamining && pausing)
12597 limit = pauseExamForwardMostMove;
12599 limit = forwardMostMove;
12601 if (target > limit) target = limit;
12603 if (target > 0 && moveList[target - 1][0]) {
12604 int fromX, fromY, toX, toY;
12605 toX = moveList[target - 1][2] - AAA;
12606 toY = moveList[target - 1][3] - ONE;
12607 if (moveList[target - 1][1] == '@') {
12608 if (appData.highlightLastMove) {
12609 SetHighlights(-1, -1, toX, toY);
12612 fromX = moveList[target - 1][0] - AAA;
12613 fromY = moveList[target - 1][1] - ONE;
12614 if (target == currentMove + 1) {
12615 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12617 if (appData.highlightLastMove) {
12618 SetHighlights(fromX, fromY, toX, toY);
12622 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12623 gameMode == Training || gameMode == PlayFromGameFile ||
12624 gameMode == AnalyzeFile) {
12625 while (currentMove < target) {
12626 SendMoveToProgram(currentMove++, &first);
12629 currentMove = target;
12632 if (gameMode == EditGame || gameMode == EndOfGame) {
12633 whiteTimeRemaining = timeRemaining[0][currentMove];
12634 blackTimeRemaining = timeRemaining[1][currentMove];
12636 DisplayBothClocks();
12637 DisplayMove(currentMove - 1);
12638 DrawPosition(FALSE, boards[currentMove]);
12639 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12640 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
12641 DisplayComment(currentMove - 1, commentList[currentMove]);
12649 if (gameMode == IcsExamining && !pausing) {
12650 SendToICS(ics_prefix);
12651 SendToICS("forward\n");
12653 ForwardInner(currentMove + 1);
12660 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12661 /* to optimze, we temporarily turn off analysis mode while we feed
12662 * the remaining moves to the engine. Otherwise we get analysis output
12665 if (first.analysisSupport) {
12666 SendToProgram("exit\nforce\n", &first);
12667 first.analyzing = FALSE;
12671 if (gameMode == IcsExamining && !pausing) {
12672 SendToICS(ics_prefix);
12673 SendToICS("forward 999999\n");
12675 ForwardInner(forwardMostMove);
12678 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12679 /* we have fed all the moves, so reactivate analysis mode */
12680 SendToProgram("analyze\n", &first);
12681 first.analyzing = TRUE;
12682 /*first.maybeThinking = TRUE;*/
12683 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12688 BackwardInner(target)
12691 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
12693 if (appData.debugMode)
12694 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
12695 target, currentMove, forwardMostMove);
12697 if (gameMode == EditPosition) return;
12698 if (currentMove <= backwardMostMove) {
12700 DrawPosition(full_redraw, boards[currentMove]);
12703 if (gameMode == PlayFromGameFile && !pausing)
12706 if (moveList[target][0]) {
12707 int fromX, fromY, toX, toY;
12708 toX = moveList[target][2] - AAA;
12709 toY = moveList[target][3] - ONE;
12710 if (moveList[target][1] == '@') {
12711 if (appData.highlightLastMove) {
12712 SetHighlights(-1, -1, toX, toY);
12715 fromX = moveList[target][0] - AAA;
12716 fromY = moveList[target][1] - ONE;
12717 if (target == currentMove - 1) {
12718 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
12720 if (appData.highlightLastMove) {
12721 SetHighlights(fromX, fromY, toX, toY);
12725 if (gameMode == EditGame || gameMode==AnalyzeMode ||
12726 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
12727 while (currentMove > target) {
12728 SendToProgram("undo\n", &first);
12732 currentMove = target;
12735 if (gameMode == EditGame || gameMode == EndOfGame) {
12736 whiteTimeRemaining = timeRemaining[0][currentMove];
12737 blackTimeRemaining = timeRemaining[1][currentMove];
12739 DisplayBothClocks();
12740 DisplayMove(currentMove - 1);
12741 DrawPosition(full_redraw, boards[currentMove]);
12742 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12743 // [HGM] PV info: routine tests if comment empty
12744 DisplayComment(currentMove - 1, commentList[currentMove]);
12750 if (gameMode == IcsExamining && !pausing) {
12751 SendToICS(ics_prefix);
12752 SendToICS("backward\n");
12754 BackwardInner(currentMove - 1);
12761 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12762 /* to optimize, we temporarily turn off analysis mode while we undo
12763 * all the moves. Otherwise we get analysis output after each undo.
12765 if (first.analysisSupport) {
12766 SendToProgram("exit\nforce\n", &first);
12767 first.analyzing = FALSE;
12771 if (gameMode == IcsExamining && !pausing) {
12772 SendToICS(ics_prefix);
12773 SendToICS("backward 999999\n");
12775 BackwardInner(backwardMostMove);
12778 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12779 /* we have fed all the moves, so reactivate analysis mode */
12780 SendToProgram("analyze\n", &first);
12781 first.analyzing = TRUE;
12782 /*first.maybeThinking = TRUE;*/
12783 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12790 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
12791 if (to >= forwardMostMove) to = forwardMostMove;
12792 if (to <= backwardMostMove) to = backwardMostMove;
12793 if (to < currentMove) {
12801 RevertEvent(Boolean annotate)
12803 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
12806 if (gameMode != IcsExamining) {
12807 DisplayError(_("You are not examining a game"), 0);
12811 DisplayError(_("You can't revert while pausing"), 0);
12814 SendToICS(ics_prefix);
12815 SendToICS("revert\n");
12821 switch (gameMode) {
12822 case MachinePlaysWhite:
12823 case MachinePlaysBlack:
12824 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12825 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12828 if (forwardMostMove < 2) return;
12829 currentMove = forwardMostMove = forwardMostMove - 2;
12830 whiteTimeRemaining = timeRemaining[0][currentMove];
12831 blackTimeRemaining = timeRemaining[1][currentMove];
12832 DisplayBothClocks();
12833 DisplayMove(currentMove - 1);
12834 ClearHighlights();/*!! could figure this out*/
12835 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
12836 SendToProgram("remove\n", &first);
12837 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
12840 case BeginningOfGame:
12844 case IcsPlayingWhite:
12845 case IcsPlayingBlack:
12846 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
12847 SendToICS(ics_prefix);
12848 SendToICS("takeback 2\n");
12850 SendToICS(ics_prefix);
12851 SendToICS("takeback 1\n");
12860 ChessProgramState *cps;
12862 switch (gameMode) {
12863 case MachinePlaysWhite:
12864 if (!WhiteOnMove(forwardMostMove)) {
12865 DisplayError(_("It is your turn"), 0);
12870 case MachinePlaysBlack:
12871 if (WhiteOnMove(forwardMostMove)) {
12872 DisplayError(_("It is your turn"), 0);
12877 case TwoMachinesPlay:
12878 if (WhiteOnMove(forwardMostMove) ==
12879 (first.twoMachinesColor[0] == 'w')) {
12885 case BeginningOfGame:
12889 SendToProgram("?\n", cps);
12893 TruncateGameEvent()
12896 if (gameMode != EditGame) return;
12903 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
12904 if (forwardMostMove > currentMove) {
12905 if (gameInfo.resultDetails != NULL) {
12906 free(gameInfo.resultDetails);
12907 gameInfo.resultDetails = NULL;
12908 gameInfo.result = GameUnfinished;
12910 forwardMostMove = currentMove;
12911 HistorySet(parseList, backwardMostMove, forwardMostMove,
12919 if (appData.noChessProgram) return;
12920 switch (gameMode) {
12921 case MachinePlaysWhite:
12922 if (WhiteOnMove(forwardMostMove)) {
12923 DisplayError(_("Wait until your turn"), 0);
12927 case BeginningOfGame:
12928 case MachinePlaysBlack:
12929 if (!WhiteOnMove(forwardMostMove)) {
12930 DisplayError(_("Wait until your turn"), 0);
12935 DisplayError(_("No hint available"), 0);
12938 SendToProgram("hint\n", &first);
12939 hintRequested = TRUE;
12945 if (appData.noChessProgram) return;
12946 switch (gameMode) {
12947 case MachinePlaysWhite:
12948 if (WhiteOnMove(forwardMostMove)) {
12949 DisplayError(_("Wait until your turn"), 0);
12953 case BeginningOfGame:
12954 case MachinePlaysBlack:
12955 if (!WhiteOnMove(forwardMostMove)) {
12956 DisplayError(_("Wait until your turn"), 0);
12961 EditPositionDone(TRUE);
12963 case TwoMachinesPlay:
12968 SendToProgram("bk\n", &first);
12969 bookOutput[0] = NULLCHAR;
12970 bookRequested = TRUE;
12976 char *tags = PGNTags(&gameInfo);
12977 TagsPopUp(tags, CmailMsg());
12981 /* end button procedures */
12984 PrintPosition(fp, move)
12990 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12991 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
12992 char c = PieceToChar(boards[move][i][j]);
12993 fputc(c == 'x' ? '.' : c, fp);
12994 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
12997 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
12998 fprintf(fp, "white to play\n");
13000 fprintf(fp, "black to play\n");
13007 if (gameInfo.white != NULL) {
13008 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
13014 /* Find last component of program's own name, using some heuristics */
13016 TidyProgramName(prog, host, buf)
13017 char *prog, *host, buf[MSG_SIZ];
13020 int local = (strcmp(host, "localhost") == 0);
13021 while (!local && (p = strchr(prog, ';')) != NULL) {
13023 while (*p == ' ') p++;
13026 if (*prog == '"' || *prog == '\'') {
13027 q = strchr(prog + 1, *prog);
13029 q = strchr(prog, ' ');
13031 if (q == NULL) q = prog + strlen(prog);
13033 while (p >= prog && *p != '/' && *p != '\\') p--;
13035 if(p == prog && *p == '"') p++;
13036 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
13037 memcpy(buf, p, q - p);
13038 buf[q - p] = NULLCHAR;
13046 TimeControlTagValue()
13049 if (!appData.clockMode) {
13051 } else if (movesPerSession > 0) {
13052 sprintf(buf, "%d/%ld", movesPerSession, timeControl/1000);
13053 } else if (timeIncrement == 0) {
13054 sprintf(buf, "%ld", timeControl/1000);
13056 sprintf(buf, "%ld+%ld", timeControl/1000, timeIncrement/1000);
13058 return StrSave(buf);
13064 /* This routine is used only for certain modes */
13065 VariantClass v = gameInfo.variant;
13066 ChessMove r = GameUnfinished;
13069 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
13070 r = gameInfo.result;
13071 p = gameInfo.resultDetails;
13072 gameInfo.resultDetails = NULL;
13074 ClearGameInfo(&gameInfo);
13075 gameInfo.variant = v;
13077 switch (gameMode) {
13078 case MachinePlaysWhite:
13079 gameInfo.event = StrSave( appData.pgnEventHeader );
13080 gameInfo.site = StrSave(HostName());
13081 gameInfo.date = PGNDate();
13082 gameInfo.round = StrSave("-");
13083 gameInfo.white = StrSave(first.tidy);
13084 gameInfo.black = StrSave(UserName());
13085 gameInfo.timeControl = TimeControlTagValue();
13088 case MachinePlaysBlack:
13089 gameInfo.event = StrSave( appData.pgnEventHeader );
13090 gameInfo.site = StrSave(HostName());
13091 gameInfo.date = PGNDate();
13092 gameInfo.round = StrSave("-");
13093 gameInfo.white = StrSave(UserName());
13094 gameInfo.black = StrSave(first.tidy);
13095 gameInfo.timeControl = TimeControlTagValue();
13098 case TwoMachinesPlay:
13099 gameInfo.event = StrSave( appData.pgnEventHeader );
13100 gameInfo.site = StrSave(HostName());
13101 gameInfo.date = PGNDate();
13102 if (matchGame > 0) {
13104 sprintf(buf, "%d", matchGame);
13105 gameInfo.round = StrSave(buf);
13107 gameInfo.round = StrSave("-");
13109 if (first.twoMachinesColor[0] == 'w') {
13110 gameInfo.white = StrSave(first.tidy);
13111 gameInfo.black = StrSave(second.tidy);
13113 gameInfo.white = StrSave(second.tidy);
13114 gameInfo.black = StrSave(first.tidy);
13116 gameInfo.timeControl = TimeControlTagValue();
13120 gameInfo.event = StrSave("Edited game");
13121 gameInfo.site = StrSave(HostName());
13122 gameInfo.date = PGNDate();
13123 gameInfo.round = StrSave("-");
13124 gameInfo.white = StrSave("-");
13125 gameInfo.black = StrSave("-");
13126 gameInfo.result = r;
13127 gameInfo.resultDetails = p;
13131 gameInfo.event = StrSave("Edited position");
13132 gameInfo.site = StrSave(HostName());
13133 gameInfo.date = PGNDate();
13134 gameInfo.round = StrSave("-");
13135 gameInfo.white = StrSave("-");
13136 gameInfo.black = StrSave("-");
13139 case IcsPlayingWhite:
13140 case IcsPlayingBlack:
13145 case PlayFromGameFile:
13146 gameInfo.event = StrSave("Game from non-PGN file");
13147 gameInfo.site = StrSave(HostName());
13148 gameInfo.date = PGNDate();
13149 gameInfo.round = StrSave("-");
13150 gameInfo.white = StrSave("?");
13151 gameInfo.black = StrSave("?");
13160 ReplaceComment(index, text)
13166 while (*text == '\n') text++;
13167 len = strlen(text);
13168 while (len > 0 && text[len - 1] == '\n') len--;
13170 if (commentList[index] != NULL)
13171 free(commentList[index]);
13174 commentList[index] = NULL;
13177 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
13178 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
13179 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
13180 commentList[index] = (char *) malloc(len + 2);
13181 strncpy(commentList[index], text, len);
13182 commentList[index][len] = '\n';
13183 commentList[index][len + 1] = NULLCHAR;
13185 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
13187 commentList[index] = (char *) malloc(len + 6);
13188 strcpy(commentList[index], "{\n");
13189 strncpy(commentList[index]+2, text, len);
13190 commentList[index][len+2] = NULLCHAR;
13191 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
13192 strcat(commentList[index], "\n}\n");
13206 if (ch == '\r') continue;
13208 } while (ch != '\0');
13212 AppendComment(index, text, addBraces)
13215 Boolean addBraces; // [HGM] braces: tells if we should add {}
13220 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
13221 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
13224 while (*text == '\n') text++;
13225 len = strlen(text);
13226 while (len > 0 && text[len - 1] == '\n') len--;
13228 if (len == 0) return;
13230 if (commentList[index] != NULL) {
13231 old = commentList[index];
13232 oldlen = strlen(old);
13233 while(commentList[index][oldlen-1] == '\n')
13234 commentList[index][--oldlen] = NULLCHAR;
13235 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
13236 strcpy(commentList[index], old);
13238 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
13239 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces)) {
13240 if(addBraces) addBraces = FALSE; else { text++; len--; }
13241 while (*text == '\n') { text++; len--; }
13242 commentList[index][--oldlen] = NULLCHAR;
13244 if(addBraces) strcat(commentList[index], "\n{\n");
13245 else strcat(commentList[index], "\n");
13246 strcat(commentList[index], text);
13247 if(addBraces) strcat(commentList[index], "\n}\n");
13248 else strcat(commentList[index], "\n");
13250 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
13252 strcpy(commentList[index], "{\n");
13253 else commentList[index][0] = NULLCHAR;
13254 strcat(commentList[index], text);
13255 strcat(commentList[index], "\n");
13256 if(addBraces) strcat(commentList[index], "}\n");
13260 static char * FindStr( char * text, char * sub_text )
13262 char * result = strstr( text, sub_text );
13264 if( result != NULL ) {
13265 result += strlen( sub_text );
13271 /* [AS] Try to extract PV info from PGN comment */
13272 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
13273 char *GetInfoFromComment( int index, char * text )
13277 if( text != NULL && index > 0 ) {
13280 int time = -1, sec = 0, deci;
13281 char * s_eval = FindStr( text, "[%eval " );
13282 char * s_emt = FindStr( text, "[%emt " );
13284 if( s_eval != NULL || s_emt != NULL ) {
13288 if( s_eval != NULL ) {
13289 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
13293 if( delim != ']' ) {
13298 if( s_emt != NULL ) {
13303 /* We expect something like: [+|-]nnn.nn/dd */
13306 if(*text != '{') return text; // [HGM] braces: must be normal comment
13308 sep = strchr( text, '/' );
13309 if( sep == NULL || sep < (text+4) ) {
13313 time = -1; sec = -1; deci = -1;
13314 if( sscanf( text+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
13315 sscanf( text+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
13316 sscanf( text+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
13317 sscanf( text+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
13321 if( score_lo < 0 || score_lo >= 100 ) {
13325 if(sec >= 0) time = 600*time + 10*sec; else
13326 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
13328 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
13330 /* [HGM] PV time: now locate end of PV info */
13331 while( *++sep >= '0' && *sep <= '9'); // strip depth
13333 while( *++sep >= '0' && *sep <= '9'); // strip time
13335 while( *++sep >= '0' && *sep <= '9'); // strip seconds
13337 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
13338 while(*sep == ' ') sep++;
13349 pvInfoList[index-1].depth = depth;
13350 pvInfoList[index-1].score = score;
13351 pvInfoList[index-1].time = 10*time; // centi-sec
13352 if(*sep == '}') *sep = 0; else *--sep = '{';
13358 SendToProgram(message, cps)
13360 ChessProgramState *cps;
13362 int count, outCount, error;
13365 if (cps->pr == NULL) return;
13368 if (appData.debugMode) {
13371 fprintf(debugFP, "%ld >%-6s: %s",
13372 SubtractTimeMarks(&now, &programStartTime),
13373 cps->which, message);
13376 count = strlen(message);
13377 outCount = OutputToProcess(cps->pr, message, count, &error);
13378 if (outCount < count && !exiting
13379 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
13380 sprintf(buf, _("Error writing to %s chess program"), cps->which);
13381 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13382 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13383 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13384 sprintf(buf, "%s program exits in draw position (%s)", cps->which, cps->program);
13386 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13388 gameInfo.resultDetails = StrSave(buf);
13390 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13395 ReceiveFromProgram(isr, closure, message, count, error)
13396 InputSourceRef isr;
13404 ChessProgramState *cps = (ChessProgramState *)closure;
13406 if (isr != cps->isr) return; /* Killed intentionally */
13410 _("Error: %s chess program (%s) exited unexpectedly"),
13411 cps->which, cps->program);
13412 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13413 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13414 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13415 sprintf(buf, _("%s program exits in draw position (%s)"), cps->which, cps->program);
13417 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13419 gameInfo.resultDetails = StrSave(buf);
13421 RemoveInputSource(cps->isr);
13422 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
13425 _("Error reading from %s chess program (%s)"),
13426 cps->which, cps->program);
13427 RemoveInputSource(cps->isr);
13429 /* [AS] Program is misbehaving badly... kill it */
13430 if( count == -2 ) {
13431 DestroyChildProcess( cps->pr, 9 );
13435 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13440 if ((end_str = strchr(message, '\r')) != NULL)
13441 *end_str = NULLCHAR;
13442 if ((end_str = strchr(message, '\n')) != NULL)
13443 *end_str = NULLCHAR;
13445 if (appData.debugMode) {
13446 TimeMark now; int print = 1;
13447 char *quote = ""; char c; int i;
13449 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
13450 char start = message[0];
13451 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
13452 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
13453 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
13454 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
13455 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
13456 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
13457 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
13458 sscanf(message, "pong %c", &c)!=1 && start != '#') {
13459 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
13460 print = (appData.engineComments >= 2);
13462 message[0] = start; // restore original message
13466 fprintf(debugFP, "%ld <%-6s: %s%s\n",
13467 SubtractTimeMarks(&now, &programStartTime), cps->which,
13473 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
13474 if (appData.icsEngineAnalyze) {
13475 if (strstr(message, "whisper") != NULL ||
13476 strstr(message, "kibitz") != NULL ||
13477 strstr(message, "tellics") != NULL) return;
13480 HandleMachineMove(message, cps);
13485 SendTimeControl(cps, mps, tc, inc, sd, st)
13486 ChessProgramState *cps;
13487 int mps, inc, sd, st;
13493 if( timeControl_2 > 0 ) {
13494 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
13495 tc = timeControl_2;
13498 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
13499 inc /= cps->timeOdds;
13500 st /= cps->timeOdds;
13502 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
13505 /* Set exact time per move, normally using st command */
13506 if (cps->stKludge) {
13507 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
13509 if (seconds == 0) {
13510 sprintf(buf, "level 1 %d\n", st/60);
13512 sprintf(buf, "level 1 %d:%02d\n", st/60, seconds);
13515 sprintf(buf, "st %d\n", st);
13518 /* Set conventional or incremental time control, using level command */
13519 if (seconds == 0) {
13520 /* Note old gnuchess bug -- minutes:seconds used to not work.
13521 Fixed in later versions, but still avoid :seconds
13522 when seconds is 0. */
13523 sprintf(buf, "level %d %ld %d\n", mps, tc/60000, inc/1000);
13525 sprintf(buf, "level %d %ld:%02d %d\n", mps, tc/60000,
13526 seconds, inc/1000);
13529 SendToProgram(buf, cps);
13531 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
13532 /* Orthogonally, limit search to given depth */
13534 if (cps->sdKludge) {
13535 sprintf(buf, "depth\n%d\n", sd);
13537 sprintf(buf, "sd %d\n", sd);
13539 SendToProgram(buf, cps);
13542 if(cps->nps > 0) { /* [HGM] nps */
13543 if(cps->supportsNPS == FALSE) cps->nps = -1; // don't use if engine explicitly says not supported!
13545 sprintf(buf, "nps %d\n", cps->nps);
13546 SendToProgram(buf, cps);
13551 ChessProgramState *WhitePlayer()
13552 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
13554 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
13555 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
13561 SendTimeRemaining(cps, machineWhite)
13562 ChessProgramState *cps;
13563 int /*boolean*/ machineWhite;
13565 char message[MSG_SIZ];
13568 /* Note: this routine must be called when the clocks are stopped
13569 or when they have *just* been set or switched; otherwise
13570 it will be off by the time since the current tick started.
13572 if (machineWhite) {
13573 time = whiteTimeRemaining / 10;
13574 otime = blackTimeRemaining / 10;
13576 time = blackTimeRemaining / 10;
13577 otime = whiteTimeRemaining / 10;
13579 /* [HGM] translate opponent's time by time-odds factor */
13580 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
13581 if (appData.debugMode) {
13582 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
13585 if (time <= 0) time = 1;
13586 if (otime <= 0) otime = 1;
13588 sprintf(message, "time %ld\n", time);
13589 SendToProgram(message, cps);
13591 sprintf(message, "otim %ld\n", otime);
13592 SendToProgram(message, cps);
13596 BoolFeature(p, name, loc, cps)
13600 ChessProgramState *cps;
13603 int len = strlen(name);
13605 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13607 sscanf(*p, "%d", &val);
13609 while (**p && **p != ' ') (*p)++;
13610 sprintf(buf, "accepted %s\n", name);
13611 SendToProgram(buf, cps);
13618 IntFeature(p, name, loc, cps)
13622 ChessProgramState *cps;
13625 int len = strlen(name);
13626 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13628 sscanf(*p, "%d", loc);
13629 while (**p && **p != ' ') (*p)++;
13630 sprintf(buf, "accepted %s\n", name);
13631 SendToProgram(buf, cps);
13638 StringFeature(p, name, loc, cps)
13642 ChessProgramState *cps;
13645 int len = strlen(name);
13646 if (strncmp((*p), name, len) == 0
13647 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
13649 sscanf(*p, "%[^\"]", loc);
13650 while (**p && **p != '\"') (*p)++;
13651 if (**p == '\"') (*p)++;
13652 sprintf(buf, "accepted %s\n", name);
13653 SendToProgram(buf, cps);
13660 ParseOption(Option *opt, ChessProgramState *cps)
13661 // [HGM] options: process the string that defines an engine option, and determine
13662 // name, type, default value, and allowed value range
13664 char *p, *q, buf[MSG_SIZ];
13665 int n, min = (-1)<<31, max = 1<<31, def;
13667 if(p = strstr(opt->name, " -spin ")) {
13668 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13669 if(max < min) max = min; // enforce consistency
13670 if(def < min) def = min;
13671 if(def > max) def = max;
13676 } else if((p = strstr(opt->name, " -slider "))) {
13677 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
13678 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13679 if(max < min) max = min; // enforce consistency
13680 if(def < min) def = min;
13681 if(def > max) def = max;
13685 opt->type = Spin; // Slider;
13686 } else if((p = strstr(opt->name, " -string "))) {
13687 opt->textValue = p+9;
13688 opt->type = TextBox;
13689 } else if((p = strstr(opt->name, " -file "))) {
13690 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13691 opt->textValue = p+7;
13692 opt->type = TextBox; // FileName;
13693 } else if((p = strstr(opt->name, " -path "))) {
13694 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13695 opt->textValue = p+7;
13696 opt->type = TextBox; // PathName;
13697 } else if(p = strstr(opt->name, " -check ")) {
13698 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
13699 opt->value = (def != 0);
13700 opt->type = CheckBox;
13701 } else if(p = strstr(opt->name, " -combo ")) {
13702 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
13703 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
13704 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
13705 opt->value = n = 0;
13706 while(q = StrStr(q, " /// ")) {
13707 n++; *q = 0; // count choices, and null-terminate each of them
13709 if(*q == '*') { // remember default, which is marked with * prefix
13713 cps->comboList[cps->comboCnt++] = q;
13715 cps->comboList[cps->comboCnt++] = NULL;
13717 opt->type = ComboBox;
13718 } else if(p = strstr(opt->name, " -button")) {
13719 opt->type = Button;
13720 } else if(p = strstr(opt->name, " -save")) {
13721 opt->type = SaveButton;
13722 } else return FALSE;
13723 *p = 0; // terminate option name
13724 // now look if the command-line options define a setting for this engine option.
13725 if(cps->optionSettings && cps->optionSettings[0])
13726 p = strstr(cps->optionSettings, opt->name); else p = NULL;
13727 if(p && (p == cps->optionSettings || p[-1] == ',')) {
13728 sprintf(buf, "option %s", p);
13729 if(p = strstr(buf, ",")) *p = 0;
13731 SendToProgram(buf, cps);
13737 FeatureDone(cps, val)
13738 ChessProgramState* cps;
13741 DelayedEventCallback cb = GetDelayedEvent();
13742 if ((cb == InitBackEnd3 && cps == &first) ||
13743 (cb == TwoMachinesEventIfReady && cps == &second)) {
13744 CancelDelayedEvent();
13745 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
13747 cps->initDone = val;
13750 /* Parse feature command from engine */
13752 ParseFeatures(args, cps)
13754 ChessProgramState *cps;
13762 while (*p == ' ') p++;
13763 if (*p == NULLCHAR) return;
13765 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
13766 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
13767 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
13768 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
13769 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
13770 if (BoolFeature(&p, "reuse", &val, cps)) {
13771 /* Engine can disable reuse, but can't enable it if user said no */
13772 if (!val) cps->reuse = FALSE;
13775 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
13776 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
13777 if (gameMode == TwoMachinesPlay) {
13778 DisplayTwoMachinesTitle();
13784 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
13785 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
13786 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
13787 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
13788 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
13789 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
13790 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
13791 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
13792 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
13793 if (IntFeature(&p, "done", &val, cps)) {
13794 FeatureDone(cps, val);
13797 /* Added by Tord: */
13798 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
13799 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
13800 /* End of additions by Tord */
13802 /* [HGM] added features: */
13803 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
13804 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
13805 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
13806 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
13807 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13808 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
13809 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
13810 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
13811 sprintf(buf, "rejected option %s\n", cps->option[--cps->nrOptions].name);
13812 SendToProgram(buf, cps);
13815 if(cps->nrOptions >= MAX_OPTIONS) {
13817 sprintf(buf, "%s engine has too many options\n", cps->which);
13818 DisplayError(buf, 0);
13822 /* End of additions by HGM */
13824 /* unknown feature: complain and skip */
13826 while (*q && *q != '=') q++;
13827 sprintf(buf, "rejected %.*s\n", (int)(q-p), p);
13828 SendToProgram(buf, cps);
13834 while (*p && *p != '\"') p++;
13835 if (*p == '\"') p++;
13837 while (*p && *p != ' ') p++;
13845 PeriodicUpdatesEvent(newState)
13848 if (newState == appData.periodicUpdates)
13851 appData.periodicUpdates=newState;
13853 /* Display type changes, so update it now */
13854 // DisplayAnalysis();
13856 /* Get the ball rolling again... */
13858 AnalysisPeriodicEvent(1);
13859 StartAnalysisClock();
13864 PonderNextMoveEvent(newState)
13867 if (newState == appData.ponderNextMove) return;
13868 if (gameMode == EditPosition) EditPositionDone(TRUE);
13870 SendToProgram("hard\n", &first);
13871 if (gameMode == TwoMachinesPlay) {
13872 SendToProgram("hard\n", &second);
13875 SendToProgram("easy\n", &first);
13876 thinkOutput[0] = NULLCHAR;
13877 if (gameMode == TwoMachinesPlay) {
13878 SendToProgram("easy\n", &second);
13881 appData.ponderNextMove = newState;
13885 NewSettingEvent(option, feature, command, value)
13887 int option, value, *feature;
13891 if (gameMode == EditPosition) EditPositionDone(TRUE);
13892 sprintf(buf, "%s%s %d\n", (option ? "option ": ""), command, value);
13893 if(feature == NULL || *feature) SendToProgram(buf, &first);
13894 if (gameMode == TwoMachinesPlay) {
13895 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
13900 ShowThinkingEvent()
13901 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
13903 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
13904 int newState = appData.showThinking
13905 // [HGM] thinking: other features now need thinking output as well
13906 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
13908 if (oldState == newState) return;
13909 oldState = newState;
13910 if (gameMode == EditPosition) EditPositionDone(TRUE);
13912 SendToProgram("post\n", &first);
13913 if (gameMode == TwoMachinesPlay) {
13914 SendToProgram("post\n", &second);
13917 SendToProgram("nopost\n", &first);
13918 thinkOutput[0] = NULLCHAR;
13919 if (gameMode == TwoMachinesPlay) {
13920 SendToProgram("nopost\n", &second);
13923 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
13927 AskQuestionEvent(title, question, replyPrefix, which)
13928 char *title; char *question; char *replyPrefix; char *which;
13930 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
13931 if (pr == NoProc) return;
13932 AskQuestion(title, question, replyPrefix, pr);
13936 DisplayMove(moveNumber)
13939 char message[MSG_SIZ];
13941 char cpThinkOutput[MSG_SIZ];
13943 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
13945 if (moveNumber == forwardMostMove - 1 ||
13946 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13948 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput));
13950 if (strchr(cpThinkOutput, '\n')) {
13951 *strchr(cpThinkOutput, '\n') = NULLCHAR;
13954 *cpThinkOutput = NULLCHAR;
13957 /* [AS] Hide thinking from human user */
13958 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
13959 *cpThinkOutput = NULLCHAR;
13960 if( thinkOutput[0] != NULLCHAR ) {
13963 for( i=0; i<=hiddenThinkOutputState; i++ ) {
13964 cpThinkOutput[i] = '.';
13966 cpThinkOutput[i] = NULLCHAR;
13967 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
13971 if (moveNumber == forwardMostMove - 1 &&
13972 gameInfo.resultDetails != NULL) {
13973 if (gameInfo.resultDetails[0] == NULLCHAR) {
13974 sprintf(res, " %s", PGNResult(gameInfo.result));
13976 sprintf(res, " {%s} %s",
13977 gameInfo.resultDetails, PGNResult(gameInfo.result));
13983 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
13984 DisplayMessage(res, cpThinkOutput);
13986 sprintf(message, "%d.%s%s%s", moveNumber / 2 + 1,
13987 WhiteOnMove(moveNumber) ? " " : ".. ",
13988 parseList[moveNumber], res);
13989 DisplayMessage(message, cpThinkOutput);
13994 DisplayComment(moveNumber, text)
13998 char title[MSG_SIZ];
13999 char buf[8000]; // comment can be long!
14002 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14003 strcpy(title, "Comment");
14005 sprintf(title, "Comment on %d.%s%s", moveNumber / 2 + 1,
14006 WhiteOnMove(moveNumber) ? " " : ".. ",
14007 parseList[moveNumber]);
14009 // [HGM] PV info: display PV info together with (or as) comment
14010 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
14011 if(text == NULL) text = "";
14012 score = pvInfoList[moveNumber].score;
14013 sprintf(buf, "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
14014 depth, (pvInfoList[moveNumber].time+50)/100, text);
14017 if (text != NULL && (appData.autoDisplayComment || commentUp))
14018 CommentPopUp(title, text);
14021 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
14022 * might be busy thinking or pondering. It can be omitted if your
14023 * gnuchess is configured to stop thinking immediately on any user
14024 * input. However, that gnuchess feature depends on the FIONREAD
14025 * ioctl, which does not work properly on some flavors of Unix.
14029 ChessProgramState *cps;
14032 if (!cps->useSigint) return;
14033 if (appData.noChessProgram || (cps->pr == NoProc)) return;
14034 switch (gameMode) {
14035 case MachinePlaysWhite:
14036 case MachinePlaysBlack:
14037 case TwoMachinesPlay:
14038 case IcsPlayingWhite:
14039 case IcsPlayingBlack:
14042 /* Skip if we know it isn't thinking */
14043 if (!cps->maybeThinking) return;
14044 if (appData.debugMode)
14045 fprintf(debugFP, "Interrupting %s\n", cps->which);
14046 InterruptChildProcess(cps->pr);
14047 cps->maybeThinking = FALSE;
14052 #endif /*ATTENTION*/
14058 if (whiteTimeRemaining <= 0) {
14061 if (appData.icsActive) {
14062 if (appData.autoCallFlag &&
14063 gameMode == IcsPlayingBlack && !blackFlag) {
14064 SendToICS(ics_prefix);
14065 SendToICS("flag\n");
14069 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14071 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
14072 if (appData.autoCallFlag) {
14073 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
14080 if (blackTimeRemaining <= 0) {
14083 if (appData.icsActive) {
14084 if (appData.autoCallFlag &&
14085 gameMode == IcsPlayingWhite && !whiteFlag) {
14086 SendToICS(ics_prefix);
14087 SendToICS("flag\n");
14091 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14093 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
14094 if (appData.autoCallFlag) {
14095 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
14108 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
14109 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
14112 * add time to clocks when time control is achieved ([HGM] now also used for increment)
14114 if ( !WhiteOnMove(forwardMostMove) )
14115 /* White made time control */
14116 whiteTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
14117 /* [HGM] time odds: correct new time quota for time odds! */
14118 / WhitePlayer()->timeOdds;
14120 /* Black made time control */
14121 blackTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
14122 / WhitePlayer()->other->timeOdds;
14126 DisplayBothClocks()
14128 int wom = gameMode == EditPosition ?
14129 !blackPlaysFirst : WhiteOnMove(currentMove);
14130 DisplayWhiteClock(whiteTimeRemaining, wom);
14131 DisplayBlackClock(blackTimeRemaining, !wom);
14135 /* Timekeeping seems to be a portability nightmare. I think everyone
14136 has ftime(), but I'm really not sure, so I'm including some ifdefs
14137 to use other calls if you don't. Clocks will be less accurate if
14138 you have neither ftime nor gettimeofday.
14141 /* VS 2008 requires the #include outside of the function */
14142 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
14143 #include <sys/timeb.h>
14146 /* Get the current time as a TimeMark */
14151 #if HAVE_GETTIMEOFDAY
14153 struct timeval timeVal;
14154 struct timezone timeZone;
14156 gettimeofday(&timeVal, &timeZone);
14157 tm->sec = (long) timeVal.tv_sec;
14158 tm->ms = (int) (timeVal.tv_usec / 1000L);
14160 #else /*!HAVE_GETTIMEOFDAY*/
14163 // include <sys/timeb.h> / moved to just above start of function
14164 struct timeb timeB;
14167 tm->sec = (long) timeB.time;
14168 tm->ms = (int) timeB.millitm;
14170 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
14171 tm->sec = (long) time(NULL);
14177 /* Return the difference in milliseconds between two
14178 time marks. We assume the difference will fit in a long!
14181 SubtractTimeMarks(tm2, tm1)
14182 TimeMark *tm2, *tm1;
14184 return 1000L*(tm2->sec - tm1->sec) +
14185 (long) (tm2->ms - tm1->ms);
14190 * Code to manage the game clocks.
14192 * In tournament play, black starts the clock and then white makes a move.
14193 * We give the human user a slight advantage if he is playing white---the
14194 * clocks don't run until he makes his first move, so it takes zero time.
14195 * Also, we don't account for network lag, so we could get out of sync
14196 * with GNU Chess's clock -- but then, referees are always right.
14199 static TimeMark tickStartTM;
14200 static long intendedTickLength;
14203 NextTickLength(timeRemaining)
14204 long timeRemaining;
14206 long nominalTickLength, nextTickLength;
14208 if (timeRemaining > 0L && timeRemaining <= 10000L)
14209 nominalTickLength = 100L;
14211 nominalTickLength = 1000L;
14212 nextTickLength = timeRemaining % nominalTickLength;
14213 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
14215 return nextTickLength;
14218 /* Adjust clock one minute up or down */
14220 AdjustClock(Boolean which, int dir)
14222 if(which) blackTimeRemaining += 60000*dir;
14223 else whiteTimeRemaining += 60000*dir;
14224 DisplayBothClocks();
14227 /* Stop clocks and reset to a fresh time control */
14231 (void) StopClockTimer();
14232 if (appData.icsActive) {
14233 whiteTimeRemaining = blackTimeRemaining = 0;
14234 } else if (searchTime) {
14235 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14236 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14237 } else { /* [HGM] correct new time quote for time odds */
14238 whiteTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->timeOdds;
14239 blackTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->other->timeOdds;
14241 if (whiteFlag || blackFlag) {
14243 whiteFlag = blackFlag = FALSE;
14245 DisplayBothClocks();
14248 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
14250 /* Decrement running clock by amount of time that has passed */
14254 long timeRemaining;
14255 long lastTickLength, fudge;
14258 if (!appData.clockMode) return;
14259 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
14263 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14265 /* Fudge if we woke up a little too soon */
14266 fudge = intendedTickLength - lastTickLength;
14267 if (fudge < 0 || fudge > FUDGE) fudge = 0;
14269 if (WhiteOnMove(forwardMostMove)) {
14270 if(whiteNPS >= 0) lastTickLength = 0;
14271 timeRemaining = whiteTimeRemaining -= lastTickLength;
14272 DisplayWhiteClock(whiteTimeRemaining - fudge,
14273 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14275 if(blackNPS >= 0) lastTickLength = 0;
14276 timeRemaining = blackTimeRemaining -= lastTickLength;
14277 DisplayBlackClock(blackTimeRemaining - fudge,
14278 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14281 if (CheckFlags()) return;
14284 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
14285 StartClockTimer(intendedTickLength);
14287 /* if the time remaining has fallen below the alarm threshold, sound the
14288 * alarm. if the alarm has sounded and (due to a takeback or time control
14289 * with increment) the time remaining has increased to a level above the
14290 * threshold, reset the alarm so it can sound again.
14293 if (appData.icsActive && appData.icsAlarm) {
14295 /* make sure we are dealing with the user's clock */
14296 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
14297 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
14300 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
14301 alarmSounded = FALSE;
14302 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
14304 alarmSounded = TRUE;
14310 /* A player has just moved, so stop the previously running
14311 clock and (if in clock mode) start the other one.
14312 We redisplay both clocks in case we're in ICS mode, because
14313 ICS gives us an update to both clocks after every move.
14314 Note that this routine is called *after* forwardMostMove
14315 is updated, so the last fractional tick must be subtracted
14316 from the color that is *not* on move now.
14319 SwitchClocks(int newMoveNr)
14321 long lastTickLength;
14323 int flagged = FALSE;
14327 if (StopClockTimer() && appData.clockMode) {
14328 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14329 if (!WhiteOnMove(forwardMostMove)) {
14330 if(blackNPS >= 0) lastTickLength = 0;
14331 blackTimeRemaining -= lastTickLength;
14332 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14333 // if(pvInfoList[forwardMostMove-1].time == -1)
14334 pvInfoList[forwardMostMove-1].time = // use GUI time
14335 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
14337 if(whiteNPS >= 0) lastTickLength = 0;
14338 whiteTimeRemaining -= lastTickLength;
14339 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14340 // if(pvInfoList[forwardMostMove-1].time == -1)
14341 pvInfoList[forwardMostMove-1].time =
14342 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
14344 flagged = CheckFlags();
14346 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
14347 CheckTimeControl();
14349 if (flagged || !appData.clockMode) return;
14351 switch (gameMode) {
14352 case MachinePlaysBlack:
14353 case MachinePlaysWhite:
14354 case BeginningOfGame:
14355 if (pausing) return;
14359 case PlayFromGameFile:
14367 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
14368 if(WhiteOnMove(forwardMostMove))
14369 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14370 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14374 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14375 whiteTimeRemaining : blackTimeRemaining);
14376 StartClockTimer(intendedTickLength);
14380 /* Stop both clocks */
14384 long lastTickLength;
14387 if (!StopClockTimer()) return;
14388 if (!appData.clockMode) return;
14392 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14393 if (WhiteOnMove(forwardMostMove)) {
14394 if(whiteNPS >= 0) lastTickLength = 0;
14395 whiteTimeRemaining -= lastTickLength;
14396 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
14398 if(blackNPS >= 0) lastTickLength = 0;
14399 blackTimeRemaining -= lastTickLength;
14400 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
14405 /* Start clock of player on move. Time may have been reset, so
14406 if clock is already running, stop and restart it. */
14410 (void) StopClockTimer(); /* in case it was running already */
14411 DisplayBothClocks();
14412 if (CheckFlags()) return;
14414 if (!appData.clockMode) return;
14415 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
14417 GetTimeMark(&tickStartTM);
14418 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14419 whiteTimeRemaining : blackTimeRemaining);
14421 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
14422 whiteNPS = blackNPS = -1;
14423 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
14424 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
14425 whiteNPS = first.nps;
14426 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
14427 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
14428 blackNPS = first.nps;
14429 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
14430 whiteNPS = second.nps;
14431 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
14432 blackNPS = second.nps;
14433 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
14435 StartClockTimer(intendedTickLength);
14442 long second, minute, hour, day;
14444 static char buf[32];
14446 if (ms > 0 && ms <= 9900) {
14447 /* convert milliseconds to tenths, rounding up */
14448 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
14450 sprintf(buf, " %03.1f ", tenths/10.0);
14454 /* convert milliseconds to seconds, rounding up */
14455 /* use floating point to avoid strangeness of integer division
14456 with negative dividends on many machines */
14457 second = (long) floor(((double) (ms + 999L)) / 1000.0);
14464 day = second / (60 * 60 * 24);
14465 second = second % (60 * 60 * 24);
14466 hour = second / (60 * 60);
14467 second = second % (60 * 60);
14468 minute = second / 60;
14469 second = second % 60;
14472 sprintf(buf, " %s%ld:%02ld:%02ld:%02ld ",
14473 sign, day, hour, minute, second);
14475 sprintf(buf, " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
14477 sprintf(buf, " %s%2ld:%02ld ", sign, minute, second);
14484 * This is necessary because some C libraries aren't ANSI C compliant yet.
14487 StrStr(string, match)
14488 char *string, *match;
14492 length = strlen(match);
14494 for (i = strlen(string) - length; i >= 0; i--, string++)
14495 if (!strncmp(match, string, length))
14502 StrCaseStr(string, match)
14503 char *string, *match;
14507 length = strlen(match);
14509 for (i = strlen(string) - length; i >= 0; i--, string++) {
14510 for (j = 0; j < length; j++) {
14511 if (ToLower(match[j]) != ToLower(string[j]))
14514 if (j == length) return string;
14528 c1 = ToLower(*s1++);
14529 c2 = ToLower(*s2++);
14530 if (c1 > c2) return 1;
14531 if (c1 < c2) return -1;
14532 if (c1 == NULLCHAR) return 0;
14541 return isupper(c) ? tolower(c) : c;
14549 return islower(c) ? toupper(c) : c;
14551 #endif /* !_amigados */
14559 if ((ret = (char *) malloc(strlen(s) + 1))) {
14566 StrSavePtr(s, savePtr)
14567 char *s, **savePtr;
14572 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
14573 strcpy(*savePtr, s);
14585 clock = time((time_t *)NULL);
14586 tm = localtime(&clock);
14587 sprintf(buf, "%04d.%02d.%02d",
14588 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
14589 return StrSave(buf);
14594 PositionToFEN(move, overrideCastling)
14596 char *overrideCastling;
14598 int i, j, fromX, fromY, toX, toY;
14605 whiteToPlay = (gameMode == EditPosition) ?
14606 !blackPlaysFirst : (move % 2 == 0);
14609 /* Piece placement data */
14610 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14612 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14613 if (boards[move][i][j] == EmptySquare) {
14615 } else { ChessSquare piece = boards[move][i][j];
14616 if (emptycount > 0) {
14617 if(emptycount<10) /* [HGM] can be >= 10 */
14618 *p++ = '0' + emptycount;
14619 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14622 if(PieceToChar(piece) == '+') {
14623 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
14625 piece = (ChessSquare)(DEMOTED piece);
14627 *p++ = PieceToChar(piece);
14629 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
14630 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
14635 if (emptycount > 0) {
14636 if(emptycount<10) /* [HGM] can be >= 10 */
14637 *p++ = '0' + emptycount;
14638 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14645 /* [HGM] print Crazyhouse or Shogi holdings */
14646 if( gameInfo.holdingsWidth ) {
14647 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
14649 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
14650 piece = boards[move][i][BOARD_WIDTH-1];
14651 if( piece != EmptySquare )
14652 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
14653 *p++ = PieceToChar(piece);
14655 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
14656 piece = boards[move][BOARD_HEIGHT-i-1][0];
14657 if( piece != EmptySquare )
14658 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
14659 *p++ = PieceToChar(piece);
14662 if( q == p ) *p++ = '-';
14668 *p++ = whiteToPlay ? 'w' : 'b';
14671 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
14672 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
14674 if(nrCastlingRights) {
14676 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
14677 /* [HGM] write directly from rights */
14678 if(boards[move][CASTLING][2] != NoRights &&
14679 boards[move][CASTLING][0] != NoRights )
14680 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
14681 if(boards[move][CASTLING][2] != NoRights &&
14682 boards[move][CASTLING][1] != NoRights )
14683 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
14684 if(boards[move][CASTLING][5] != NoRights &&
14685 boards[move][CASTLING][3] != NoRights )
14686 *p++ = boards[move][CASTLING][3] + AAA;
14687 if(boards[move][CASTLING][5] != NoRights &&
14688 boards[move][CASTLING][4] != NoRights )
14689 *p++ = boards[move][CASTLING][4] + AAA;
14692 /* [HGM] write true castling rights */
14693 if( nrCastlingRights == 6 ) {
14694 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
14695 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
14696 if(boards[move][CASTLING][1] == BOARD_LEFT &&
14697 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
14698 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
14699 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
14700 if(boards[move][CASTLING][4] == BOARD_LEFT &&
14701 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
14704 if (q == p) *p++ = '-'; /* No castling rights */
14708 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14709 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14710 /* En passant target square */
14711 if (move > backwardMostMove) {
14712 fromX = moveList[move - 1][0] - AAA;
14713 fromY = moveList[move - 1][1] - ONE;
14714 toX = moveList[move - 1][2] - AAA;
14715 toY = moveList[move - 1][3] - ONE;
14716 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
14717 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
14718 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
14720 /* 2-square pawn move just happened */
14722 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14726 } else if(move == backwardMostMove) {
14727 // [HGM] perhaps we should always do it like this, and forget the above?
14728 if((signed char)boards[move][EP_STATUS] >= 0) {
14729 *p++ = boards[move][EP_STATUS] + AAA;
14730 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14741 /* [HGM] find reversible plies */
14742 { int i = 0, j=move;
14744 if (appData.debugMode) { int k;
14745 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
14746 for(k=backwardMostMove; k<=forwardMostMove; k++)
14747 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
14751 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
14752 if( j == backwardMostMove ) i += initialRulePlies;
14753 sprintf(p, "%d ", i);
14754 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
14756 /* Fullmove number */
14757 sprintf(p, "%d", (move / 2) + 1);
14759 return StrSave(buf);
14763 ParseFEN(board, blackPlaysFirst, fen)
14765 int *blackPlaysFirst;
14775 /* [HGM] by default clear Crazyhouse holdings, if present */
14776 if(gameInfo.holdingsWidth) {
14777 for(i=0; i<BOARD_HEIGHT; i++) {
14778 board[i][0] = EmptySquare; /* black holdings */
14779 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
14780 board[i][1] = (ChessSquare) 0; /* black counts */
14781 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
14785 /* Piece placement data */
14786 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14789 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
14790 if (*p == '/') p++;
14791 emptycount = gameInfo.boardWidth - j;
14792 while (emptycount--)
14793 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14795 #if(BOARD_FILES >= 10)
14796 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
14797 p++; emptycount=10;
14798 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14799 while (emptycount--)
14800 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14802 } else if (isdigit(*p)) {
14803 emptycount = *p++ - '0';
14804 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
14805 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14806 while (emptycount--)
14807 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14808 } else if (*p == '+' || isalpha(*p)) {
14809 if (j >= gameInfo.boardWidth) return FALSE;
14811 piece = CharToPiece(*++p);
14812 if(piece == EmptySquare) return FALSE; /* unknown piece */
14813 piece = (ChessSquare) (PROMOTED piece ); p++;
14814 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
14815 } else piece = CharToPiece(*p++);
14817 if(piece==EmptySquare) return FALSE; /* unknown piece */
14818 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
14819 piece = (ChessSquare) (PROMOTED piece);
14820 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
14823 board[i][(j++)+gameInfo.holdingsWidth] = piece;
14829 while (*p == '/' || *p == ' ') p++;
14831 /* [HGM] look for Crazyhouse holdings here */
14832 while(*p==' ') p++;
14833 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
14835 if(*p == '-' ) *p++; /* empty holdings */ else {
14836 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
14837 /* if we would allow FEN reading to set board size, we would */
14838 /* have to add holdings and shift the board read so far here */
14839 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
14841 if((int) piece >= (int) BlackPawn ) {
14842 i = (int)piece - (int)BlackPawn;
14843 i = PieceToNumber((ChessSquare)i);
14844 if( i >= gameInfo.holdingsSize ) return FALSE;
14845 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
14846 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
14848 i = (int)piece - (int)WhitePawn;
14849 i = PieceToNumber((ChessSquare)i);
14850 if( i >= gameInfo.holdingsSize ) return FALSE;
14851 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
14852 board[i][BOARD_WIDTH-2]++; /* black holdings */
14856 if(*p == ']') *p++;
14859 while(*p == ' ') p++;
14864 *blackPlaysFirst = FALSE;
14867 *blackPlaysFirst = TRUE;
14873 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
14874 /* return the extra info in global variiables */
14876 /* set defaults in case FEN is incomplete */
14877 board[EP_STATUS] = EP_UNKNOWN;
14878 for(i=0; i<nrCastlingRights; i++ ) {
14879 board[CASTLING][i] =
14880 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
14881 } /* assume possible unless obviously impossible */
14882 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
14883 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
14884 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
14885 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
14886 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
14887 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
14888 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
14889 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
14892 while(*p==' ') p++;
14893 if(nrCastlingRights) {
14894 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
14895 /* castling indicator present, so default becomes no castlings */
14896 for(i=0; i<nrCastlingRights; i++ ) {
14897 board[CASTLING][i] = NoRights;
14900 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
14901 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
14902 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
14903 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
14904 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
14906 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
14907 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
14908 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
14910 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
14911 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
14912 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
14913 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
14914 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
14915 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
14918 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
14919 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
14920 board[CASTLING][2] = whiteKingFile;
14923 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
14924 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
14925 board[CASTLING][2] = whiteKingFile;
14928 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
14929 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
14930 board[CASTLING][5] = blackKingFile;
14933 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
14934 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
14935 board[CASTLING][5] = blackKingFile;
14938 default: /* FRC castlings */
14939 if(c >= 'a') { /* black rights */
14940 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
14941 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
14942 if(i == BOARD_RGHT) break;
14943 board[CASTLING][5] = i;
14945 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
14946 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
14948 board[CASTLING][3] = c;
14950 board[CASTLING][4] = c;
14951 } else { /* white rights */
14952 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
14953 if(board[0][i] == WhiteKing) break;
14954 if(i == BOARD_RGHT) break;
14955 board[CASTLING][2] = i;
14956 c -= AAA - 'a' + 'A';
14957 if(board[0][c] >= WhiteKing) break;
14959 board[CASTLING][0] = c;
14961 board[CASTLING][1] = c;
14965 for(i=0; i<nrCastlingRights; i++)
14966 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
14967 if (appData.debugMode) {
14968 fprintf(debugFP, "FEN castling rights:");
14969 for(i=0; i<nrCastlingRights; i++)
14970 fprintf(debugFP, " %d", board[CASTLING][i]);
14971 fprintf(debugFP, "\n");
14974 while(*p==' ') p++;
14977 /* read e.p. field in games that know e.p. capture */
14978 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14979 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14981 p++; board[EP_STATUS] = EP_NONE;
14983 char c = *p++ - AAA;
14985 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
14986 if(*p >= '0' && *p <='9') *p++;
14987 board[EP_STATUS] = c;
14992 if(sscanf(p, "%d", &i) == 1) {
14993 FENrulePlies = i; /* 50-move ply counter */
14994 /* (The move number is still ignored) */
15001 EditPositionPasteFEN(char *fen)
15004 Board initial_position;
15006 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
15007 DisplayError(_("Bad FEN position in clipboard"), 0);
15010 int savedBlackPlaysFirst = blackPlaysFirst;
15011 EditPositionEvent();
15012 blackPlaysFirst = savedBlackPlaysFirst;
15013 CopyBoard(boards[0], initial_position);
15014 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
15015 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
15016 DisplayBothClocks();
15017 DrawPosition(FALSE, boards[currentMove]);
15022 static char cseq[12] = "\\ ";
15024 Boolean set_cont_sequence(char *new_seq)
15029 // handle bad attempts to set the sequence
15031 return 0; // acceptable error - no debug
15033 len = strlen(new_seq);
15034 ret = (len > 0) && (len < sizeof(cseq));
15036 strcpy(cseq, new_seq);
15037 else if (appData.debugMode)
15038 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
15043 reformat a source message so words don't cross the width boundary. internal
15044 newlines are not removed. returns the wrapped size (no null character unless
15045 included in source message). If dest is NULL, only calculate the size required
15046 for the dest buffer. lp argument indicats line position upon entry, and it's
15047 passed back upon exit.
15049 int wrap(char *dest, char *src, int count, int width, int *lp)
15051 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
15053 cseq_len = strlen(cseq);
15054 old_line = line = *lp;
15055 ansi = len = clen = 0;
15057 for (i=0; i < count; i++)
15059 if (src[i] == '\033')
15062 // if we hit the width, back up
15063 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
15065 // store i & len in case the word is too long
15066 old_i = i, old_len = len;
15068 // find the end of the last word
15069 while (i && src[i] != ' ' && src[i] != '\n')
15075 // word too long? restore i & len before splitting it
15076 if ((old_i-i+clen) >= width)
15083 if (i && src[i-1] == ' ')
15086 if (src[i] != ' ' && src[i] != '\n')
15093 // now append the newline and continuation sequence
15098 strncpy(dest+len, cseq, cseq_len);
15106 dest[len] = src[i];
15110 if (src[i] == '\n')
15115 if (dest && appData.debugMode)
15117 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
15118 count, width, line, len, *lp);
15119 show_bytes(debugFP, src, count);
15120 fprintf(debugFP, "\ndest: ");
15121 show_bytes(debugFP, dest, len);
15122 fprintf(debugFP, "\n");
15124 *lp = dest ? line : old_line;
15129 // [HGM] vari: routines for shelving variations
15132 PushTail(int firstMove, int lastMove)
15134 int i, j, nrMoves = lastMove - firstMove;
15136 if(appData.icsActive) { // only in local mode
15137 forwardMostMove = currentMove; // mimic old ICS behavior
15140 if(storedGames >= MAX_VARIATIONS-1) return;
15142 // push current tail of game on stack
15143 savedResult[storedGames] = gameInfo.result;
15144 savedDetails[storedGames] = gameInfo.resultDetails;
15145 gameInfo.resultDetails = NULL;
15146 savedFirst[storedGames] = firstMove;
15147 savedLast [storedGames] = lastMove;
15148 savedFramePtr[storedGames] = framePtr;
15149 framePtr -= nrMoves; // reserve space for the boards
15150 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
15151 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
15152 for(j=0; j<MOVE_LEN; j++)
15153 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
15154 for(j=0; j<2*MOVE_LEN; j++)
15155 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
15156 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
15157 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
15158 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
15159 pvInfoList[firstMove+i-1].depth = 0;
15160 commentList[framePtr+i] = commentList[firstMove+i];
15161 commentList[firstMove+i] = NULL;
15165 forwardMostMove = firstMove; // truncate game so we can start variation
15166 if(storedGames == 1) GreyRevert(FALSE);
15170 PopTail(Boolean annotate)
15173 char buf[8000], moveBuf[20];
15175 if(appData.icsActive) return FALSE; // only in local mode
15176 if(!storedGames) return FALSE; // sanity
15177 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
15180 ToNrEvent(savedFirst[storedGames]); // sets currentMove
15181 nrMoves = savedLast[storedGames] - currentMove;
15184 if(!WhiteOnMove(currentMove)) sprintf(buf, "(%d...", currentMove+2>>1);
15185 else strcpy(buf, "(");
15186 for(i=currentMove; i<forwardMostMove; i++) {
15188 sprintf(moveBuf, " %d. %s", i+2>>1, SavePart(parseList[i]));
15189 else sprintf(moveBuf, " %s", SavePart(parseList[i]));
15190 strcat(buf, moveBuf);
15191 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
15192 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
15196 for(i=1; i<=nrMoves; i++) { // copy last variation back
15197 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
15198 for(j=0; j<MOVE_LEN; j++)
15199 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
15200 for(j=0; j<2*MOVE_LEN; j++)
15201 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
15202 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
15203 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
15204 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
15205 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
15206 commentList[currentMove+i] = commentList[framePtr+i];
15207 commentList[framePtr+i] = NULL;
15209 if(annotate) AppendComment(currentMove+1, buf, FALSE);
15210 framePtr = savedFramePtr[storedGames];
15211 gameInfo.result = savedResult[storedGames];
15212 if(gameInfo.resultDetails != NULL) {
15213 free(gameInfo.resultDetails);
15215 gameInfo.resultDetails = savedDetails[storedGames];
15216 forwardMostMove = currentMove + nrMoves;
15217 if(storedGames == 0) GreyRevert(TRUE);
15223 { // remove all shelved variations
15225 for(i=0; i<storedGames; i++) {
15226 if(savedDetails[i])
15227 free(savedDetails[i]);
15228 savedDetails[i] = NULL;
15230 for(i=framePtr; i<MAX_MOVES; i++) {
15231 if(commentList[i]) free(commentList[i]);
15232 commentList[i] = NULL;
15234 framePtr = MAX_MOVES-1;
15239 LoadVariation(int index, char *text)
15240 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
15241 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
15242 int level = 0, move;
15244 if(gameMode != EditGame && gameMode != AnalyzeMode) return;
15245 // first find outermost bracketing variation
15246 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
15247 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
15248 if(*p == '{') wait = '}'; else
15249 if(*p == '[') wait = ']'; else
15250 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
15251 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
15253 if(*p == wait) wait = NULLCHAR; // closing ]} found
15256 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
15257 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
15258 end[1] = NULLCHAR; // clip off comment beyond variation
15259 ToNrEvent(currentMove-1);
15260 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
15261 // kludge: use ParsePV() to append variation to game
15262 move = currentMove;
15263 ParsePV(start, TRUE);
15264 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
15265 ClearPremoveHighlights();
15267 ToNrEvent(currentMove+1);