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)
134 # define T_(s) gettext(s)
147 /* A point in time */
149 long sec; /* Assuming this is >= 32 bits */
150 int ms; /* Assuming this is >= 16 bits */
153 int establish P((void));
154 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
155 char *buf, int count, int error));
156 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
157 char *buf, int count, int error));
158 void ics_printf P((char *format, ...));
159 void SendToICS P((char *s));
160 void SendToICSDelayed P((char *s, long msdelay));
161 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY,
163 void HandleMachineMove P((char *message, ChessProgramState *cps));
164 int AutoPlayOneMove P((void));
165 int LoadGameOneMove P((ChessMove readAhead));
166 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
167 int LoadPositionFromFile P((char *filename, int n, char *title));
168 int SavePositionToFile P((char *filename));
169 void ApplyMove P((int fromX, int fromY, int toX, int toY, int promoChar,
171 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
172 void ShowMove P((int fromX, int fromY, int toX, int toY));
173 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
174 /*char*/int promoChar));
175 void BackwardInner P((int target));
176 void ForwardInner P((int target));
177 int Adjudicate P((ChessProgramState *cps));
178 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
179 void EditPositionDone P((Boolean fakeRights));
180 void PrintOpponents P((FILE *fp));
181 void PrintPosition P((FILE *fp, int move));
182 void StartChessProgram P((ChessProgramState *cps));
183 void SendToProgram P((char *message, ChessProgramState *cps));
184 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
185 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
186 char *buf, int count, int error));
187 void SendTimeControl P((ChessProgramState *cps,
188 int mps, long tc, int inc, int sd, int st));
189 char *TimeControlTagValue P((void));
190 void Attention P((ChessProgramState *cps));
191 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
192 void ResurrectChessProgram P((void));
193 void DisplayComment P((int moveNumber, char *text));
194 void DisplayMove P((int moveNumber));
196 void ParseGameHistory P((char *game));
197 void ParseBoard12 P((char *string));
198 void KeepAlive P((void));
199 void StartClocks P((void));
200 void SwitchClocks P((int nr));
201 void StopClocks P((void));
202 void ResetClocks P((void));
203 char *PGNDate P((void));
204 void SetGameInfo P((void));
205 Boolean ParseFEN P((Board board, int *blackPlaysFirst, char *fen));
206 int RegisterMove P((void));
207 void MakeRegisteredMove P((void));
208 void TruncateGame P((void));
209 int looking_at P((char *, int *, char *));
210 void CopyPlayerNameIntoFileName P((char **, char *));
211 char *SavePart P((char *));
212 int SaveGameOldStyle P((FILE *));
213 int SaveGamePGN P((FILE *));
214 void GetTimeMark P((TimeMark *));
215 long SubtractTimeMarks P((TimeMark *, TimeMark *));
216 int CheckFlags P((void));
217 long NextTickLength P((long));
218 void CheckTimeControl P((void));
219 void show_bytes P((FILE *, char *, int));
220 int string_to_rating P((char *str));
221 void ParseFeatures P((char* args, ChessProgramState *cps));
222 void InitBackEnd3 P((void));
223 void FeatureDone P((ChessProgramState* cps, int val));
224 void InitChessProgram P((ChessProgramState *cps, int setup));
225 void OutputKibitz(int window, char *text);
226 int PerpetualChase(int first, int last);
227 int EngineOutputIsUp();
228 void InitDrawingSizes(int x, int y);
231 extern void ConsoleCreate();
234 ChessProgramState *WhitePlayer();
235 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
236 int VerifyDisplayMode P(());
238 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
239 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
240 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
241 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
242 void ics_update_width P((int new_width));
243 extern char installDir[MSG_SIZ];
244 VariantClass startVariant; /* [HGM] nicks: initial variant */
246 extern int tinyLayout, smallLayout;
247 ChessProgramStats programStats;
248 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
250 static int exiting = 0; /* [HGM] moved to top */
251 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
252 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
253 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
254 int partnerHighlight[2];
255 Boolean partnerBoardValid = 0;
256 char partnerStatus[MSG_SIZ];
258 Boolean originalFlip;
259 Boolean twoBoards = 0;
260 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
261 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
262 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
263 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
264 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
265 int opponentKibitzes;
266 int lastSavedGame; /* [HGM] save: ID of game */
267 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
268 extern int chatCount;
270 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
272 /* States for ics_getting_history */
274 #define H_REQUESTED 1
275 #define H_GOT_REQ_HEADER 2
276 #define H_GOT_UNREQ_HEADER 3
277 #define H_GETTING_MOVES 4
278 #define H_GOT_UNWANTED_HEADER 5
280 /* whosays values for GameEnds */
289 /* Maximum number of games in a cmail message */
290 #define CMAIL_MAX_GAMES 20
292 /* Different types of move when calling RegisterMove */
294 #define CMAIL_RESIGN 1
296 #define CMAIL_ACCEPT 3
298 /* Different types of result to remember for each game */
299 #define CMAIL_NOT_RESULT 0
300 #define CMAIL_OLD_RESULT 1
301 #define CMAIL_NEW_RESULT 2
303 /* Telnet protocol constants */
314 static char * safeStrCpy( char * dst, const char * src, size_t count )
316 assert( dst != NULL );
317 assert( src != NULL );
320 strncpy( dst, src, count );
321 dst[ count-1 ] = '\0';
325 /* Some compiler can't cast u64 to double
326 * This function do the job for us:
328 * We use the highest bit for cast, this only
329 * works if the highest bit is not
330 * in use (This should not happen)
332 * We used this for all compiler
335 u64ToDouble(u64 value)
338 u64 tmp = value & u64Const(0x7fffffffffffffff);
339 r = (double)(s64)tmp;
340 if (value & u64Const(0x8000000000000000))
341 r += 9.2233720368547758080e18; /* 2^63 */
345 /* Fake up flags for now, as we aren't keeping track of castling
346 availability yet. [HGM] Change of logic: the flag now only
347 indicates the type of castlings allowed by the rule of the game.
348 The actual rights themselves are maintained in the array
349 castlingRights, as part of the game history, and are not probed
355 int flags = F_ALL_CASTLE_OK;
356 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
357 switch (gameInfo.variant) {
359 flags &= ~F_ALL_CASTLE_OK;
360 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
361 flags |= F_IGNORE_CHECK;
363 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
366 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
368 case VariantKriegspiel:
369 flags |= F_KRIEGSPIEL_CAPTURE;
371 case VariantCapaRandom:
372 case VariantFischeRandom:
373 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
374 case VariantNoCastle:
375 case VariantShatranj:
378 flags &= ~F_ALL_CASTLE_OK;
386 FILE *gameFileFP, *debugFP;
389 [AS] Note: sometimes, the sscanf() function is used to parse the input
390 into a fixed-size buffer. Because of this, we must be prepared to
391 receive strings as long as the size of the input buffer, which is currently
392 set to 4K for Windows and 8K for the rest.
393 So, we must either allocate sufficiently large buffers here, or
394 reduce the size of the input buffer in the input reading part.
397 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
398 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
399 char thinkOutput1[MSG_SIZ*10];
401 ChessProgramState first, second;
403 /* premove variables */
406 int premoveFromX = 0;
407 int premoveFromY = 0;
408 int premovePromoChar = 0;
410 Boolean alarmSounded;
411 /* end premove variables */
413 char *ics_prefix = "$";
414 int ics_type = ICS_GENERIC;
416 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
417 int pauseExamForwardMostMove = 0;
418 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
419 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
420 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
421 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
422 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
423 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
424 int whiteFlag = FALSE, blackFlag = FALSE;
425 int userOfferedDraw = FALSE;
426 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
427 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
428 int cmailMoveType[CMAIL_MAX_GAMES];
429 long ics_clock_paused = 0;
430 ProcRef icsPR = NoProc, cmailPR = NoProc;
431 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
432 GameMode gameMode = BeginningOfGame;
433 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
434 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
435 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
436 int hiddenThinkOutputState = 0; /* [AS] */
437 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
438 int adjudicateLossPlies = 6;
439 char white_holding[64], black_holding[64];
440 TimeMark lastNodeCountTime;
441 long lastNodeCount=0;
442 int have_sent_ICS_logon = 0;
444 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement;
445 long timeControl_2; /* [AS] Allow separate time controls */
446 char *fullTimeControlString = NULL; /* [HGM] secondary TC: merge of MPS, TC and inc */
447 long timeRemaining[2][MAX_MOVES];
449 TimeMark programStartTime;
450 char ics_handle[MSG_SIZ];
451 int have_set_title = 0;
453 /* animateTraining preserves the state of appData.animate
454 * when Training mode is activated. This allows the
455 * response to be animated when appData.animate == TRUE and
456 * appData.animateDragging == TRUE.
458 Boolean animateTraining;
464 Board boards[MAX_MOVES];
465 /* [HGM] Following 7 needed for accurate legality tests: */
466 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
467 signed char initialRights[BOARD_FILES];
468 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
469 int initialRulePlies, FENrulePlies;
470 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
473 int mute; // mute all sounds
475 // [HGM] vari: next 12 to save and restore variations
476 #define MAX_VARIATIONS 10
477 int framePtr = MAX_MOVES-1; // points to free stack entry
479 int savedFirst[MAX_VARIATIONS];
480 int savedLast[MAX_VARIATIONS];
481 int savedFramePtr[MAX_VARIATIONS];
482 char *savedDetails[MAX_VARIATIONS];
483 ChessMove savedResult[MAX_VARIATIONS];
485 void PushTail P((int firstMove, int lastMove));
486 Boolean PopTail P((Boolean annotate));
487 void CleanupTail P((void));
489 ChessSquare FIDEArray[2][BOARD_FILES] = {
490 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
491 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
492 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
493 BlackKing, BlackBishop, BlackKnight, BlackRook }
496 ChessSquare twoKingsArray[2][BOARD_FILES] = {
497 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
498 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
499 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
500 BlackKing, BlackKing, BlackKnight, BlackRook }
503 ChessSquare KnightmateArray[2][BOARD_FILES] = {
504 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
505 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
506 { BlackRook, BlackMan, BlackBishop, BlackQueen,
507 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
510 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
511 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
512 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
513 { BlackLance, BlackAlfil, BlackMarshall, BlackAngel,
514 BlackKing, BlackMarshall, BlackAlfil, BlackLance }
517 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
518 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
519 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
520 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
521 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
524 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
525 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
526 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
527 { BlackRook, BlackKnight, BlackMan, BlackFerz,
528 BlackKing, BlackMan, BlackKnight, BlackRook }
532 #if (BOARD_FILES>=10)
533 ChessSquare ShogiArray[2][BOARD_FILES] = {
534 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
535 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
536 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
537 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
540 ChessSquare XiangqiArray[2][BOARD_FILES] = {
541 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
542 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
543 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
544 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
547 ChessSquare CapablancaArray[2][BOARD_FILES] = {
548 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
549 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
550 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
551 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
554 ChessSquare GreatArray[2][BOARD_FILES] = {
555 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
556 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
557 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
558 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
561 ChessSquare JanusArray[2][BOARD_FILES] = {
562 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
563 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
564 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
565 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
569 ChessSquare GothicArray[2][BOARD_FILES] = {
570 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
571 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
572 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
573 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
576 #define GothicArray CapablancaArray
580 ChessSquare FalconArray[2][BOARD_FILES] = {
581 { WhiteRook, WhiteKnight, WhiteBishop, WhiteLance, WhiteQueen,
582 WhiteKing, WhiteLance, WhiteBishop, WhiteKnight, WhiteRook },
583 { BlackRook, BlackKnight, BlackBishop, BlackLance, BlackQueen,
584 BlackKing, BlackLance, BlackBishop, BlackKnight, BlackRook }
587 #define FalconArray CapablancaArray
590 #else // !(BOARD_FILES>=10)
591 #define XiangqiPosition FIDEArray
592 #define CapablancaArray FIDEArray
593 #define GothicArray FIDEArray
594 #define GreatArray FIDEArray
595 #endif // !(BOARD_FILES>=10)
597 #if (BOARD_FILES>=12)
598 ChessSquare CourierArray[2][BOARD_FILES] = {
599 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
600 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
601 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
602 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
604 #else // !(BOARD_FILES>=12)
605 #define CourierArray CapablancaArray
606 #endif // !(BOARD_FILES>=12)
609 Board initialPosition;
612 /* Convert str to a rating. Checks for special cases of "----",
614 "++++", etc. Also strips ()'s */
616 string_to_rating(str)
619 while(*str && !isdigit(*str)) ++str;
621 return 0; /* One of the special "no rating" cases */
629 /* Init programStats */
630 programStats.movelist[0] = 0;
631 programStats.depth = 0;
632 programStats.nr_moves = 0;
633 programStats.moves_left = 0;
634 programStats.nodes = 0;
635 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
636 programStats.score = 0;
637 programStats.got_only_move = 0;
638 programStats.got_fail = 0;
639 programStats.line_is_book = 0;
645 int matched, min, sec;
647 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
648 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
650 GetTimeMark(&programStartTime);
651 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
654 programStats.ok_to_send = 1;
655 programStats.seen_stat = 0;
658 * Initialize game list
664 * Internet chess server status
666 if (appData.icsActive) {
667 appData.matchMode = FALSE;
668 appData.matchGames = 0;
670 appData.noChessProgram = !appData.zippyPlay;
672 appData.zippyPlay = FALSE;
673 appData.zippyTalk = FALSE;
674 appData.noChessProgram = TRUE;
676 if (*appData.icsHelper != NULLCHAR) {
677 appData.useTelnet = TRUE;
678 appData.telnetProgram = appData.icsHelper;
681 appData.zippyTalk = appData.zippyPlay = FALSE;
684 /* [AS] Initialize pv info list [HGM] and game state */
688 for( i=0; i<=framePtr; i++ ) {
689 pvInfoList[i].depth = -1;
690 boards[i][EP_STATUS] = EP_NONE;
691 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
696 * Parse timeControl resource
698 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
699 appData.movesPerSession)) {
701 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
702 DisplayFatalError(buf, 0, 2);
706 * Parse searchTime resource
708 if (*appData.searchTime != NULLCHAR) {
709 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
711 searchTime = min * 60;
712 } else if (matched == 2) {
713 searchTime = min * 60 + sec;
716 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
717 DisplayFatalError(buf, 0, 2);
721 /* [AS] Adjudication threshold */
722 adjudicateLossThreshold = appData.adjudicateLossThreshold;
724 first.which = _("first");
725 second.which = _("second");
726 first.maybeThinking = second.maybeThinking = FALSE;
727 first.pr = second.pr = NoProc;
728 first.isr = second.isr = NULL;
729 first.sendTime = second.sendTime = 2;
730 first.sendDrawOffers = 1;
731 if (appData.firstPlaysBlack) {
732 first.twoMachinesColor = "black\n";
733 second.twoMachinesColor = "white\n";
735 first.twoMachinesColor = "white\n";
736 second.twoMachinesColor = "black\n";
738 first.program = appData.firstChessProgram;
739 second.program = appData.secondChessProgram;
740 first.host = appData.firstHost;
741 second.host = appData.secondHost;
742 first.dir = appData.firstDirectory;
743 second.dir = appData.secondDirectory;
744 first.other = &second;
745 second.other = &first;
746 first.initString = appData.initString;
747 second.initString = appData.secondInitString;
748 first.computerString = appData.firstComputerString;
749 second.computerString = appData.secondComputerString;
750 first.useSigint = second.useSigint = TRUE;
751 first.useSigterm = second.useSigterm = TRUE;
752 first.reuse = appData.reuseFirst;
753 second.reuse = appData.reuseSecond;
754 first.nps = appData.firstNPS; // [HGM] nps: copy nodes per second
755 second.nps = appData.secondNPS;
756 first.useSetboard = second.useSetboard = FALSE;
757 first.useSAN = second.useSAN = FALSE;
758 first.usePing = second.usePing = FALSE;
759 first.lastPing = second.lastPing = 0;
760 first.lastPong = second.lastPong = 0;
761 first.usePlayother = second.usePlayother = FALSE;
762 first.useColors = second.useColors = TRUE;
763 first.useUsermove = second.useUsermove = FALSE;
764 first.sendICS = second.sendICS = FALSE;
765 first.sendName = second.sendName = appData.icsActive;
766 first.sdKludge = second.sdKludge = FALSE;
767 first.stKludge = second.stKludge = FALSE;
768 TidyProgramName(first.program, first.host, first.tidy);
769 TidyProgramName(second.program, second.host, second.tidy);
770 first.matchWins = second.matchWins = 0;
771 strcpy(first.variants, appData.variant);
772 strcpy(second.variants, appData.variant);
773 first.analysisSupport = second.analysisSupport = 2; /* detect */
774 first.analyzing = second.analyzing = FALSE;
775 first.initDone = second.initDone = FALSE;
777 /* New features added by Tord: */
778 first.useFEN960 = FALSE; second.useFEN960 = FALSE;
779 first.useOOCastle = TRUE; second.useOOCastle = TRUE;
780 /* End of new features added by Tord. */
781 first.fenOverride = appData.fenOverride1;
782 second.fenOverride = appData.fenOverride2;
784 /* [HGM] time odds: set factor for each machine */
785 first.timeOdds = appData.firstTimeOdds;
786 second.timeOdds = appData.secondTimeOdds;
788 if(appData.timeOddsMode) {
789 norm = first.timeOdds;
790 if(norm > second.timeOdds) norm = second.timeOdds;
792 first.timeOdds /= norm;
793 second.timeOdds /= norm;
796 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
797 first.accumulateTC = appData.firstAccumulateTC;
798 second.accumulateTC = appData.secondAccumulateTC;
799 first.maxNrOfSessions = second.maxNrOfSessions = 1;
802 first.debug = second.debug = FALSE;
803 first.supportsNPS = second.supportsNPS = UNKNOWN;
806 first.optionSettings = appData.firstOptions;
807 second.optionSettings = appData.secondOptions;
809 first.scoreIsAbsolute = appData.firstScoreIsAbsolute; /* [AS] */
810 second.scoreIsAbsolute = appData.secondScoreIsAbsolute; /* [AS] */
811 first.isUCI = appData.firstIsUCI; /* [AS] */
812 second.isUCI = appData.secondIsUCI; /* [AS] */
813 first.hasOwnBookUCI = appData.firstHasOwnBookUCI; /* [AS] */
814 second.hasOwnBookUCI = appData.secondHasOwnBookUCI; /* [AS] */
816 if (appData.firstProtocolVersion > PROTOVER ||
817 appData.firstProtocolVersion < 1) {
819 sprintf(buf, _("protocol version %d not supported"),
820 appData.firstProtocolVersion);
821 DisplayFatalError(buf, 0, 2);
823 first.protocolVersion = appData.firstProtocolVersion;
826 if (appData.secondProtocolVersion > PROTOVER ||
827 appData.secondProtocolVersion < 1) {
829 sprintf(buf, _("protocol version %d not supported"),
830 appData.secondProtocolVersion);
831 DisplayFatalError(buf, 0, 2);
833 second.protocolVersion = appData.secondProtocolVersion;
836 if (appData.icsActive) {
837 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
838 // } else if (*appData.searchTime != NULLCHAR || appData.noChessProgram) {
839 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
840 appData.clockMode = FALSE;
841 first.sendTime = second.sendTime = 0;
845 /* Override some settings from environment variables, for backward
846 compatibility. Unfortunately it's not feasible to have the env
847 vars just set defaults, at least in xboard. Ugh.
849 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
854 if (appData.noChessProgram) {
855 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
856 sprintf(programVersion, "%s", PACKAGE_STRING);
858 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
859 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
860 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
863 if (!appData.icsActive) {
865 /* Check for variants that are supported only in ICS mode,
866 or not at all. Some that are accepted here nevertheless
867 have bugs; see comments below.
869 VariantClass variant = StringToVariant(appData.variant);
871 case VariantBughouse: /* need four players and two boards */
872 case VariantKriegspiel: /* need to hide pieces and move details */
873 /* case VariantFischeRandom: (Fabien: moved below) */
874 sprintf(buf, _("Variant %s supported only in ICS mode"), appData.variant);
875 DisplayFatalError(buf, 0, 2);
879 case VariantLoadable:
889 sprintf(buf, _("Unknown variant name %s"), appData.variant);
890 DisplayFatalError(buf, 0, 2);
893 case VariantXiangqi: /* [HGM] repetition rules not implemented */
894 case VariantFairy: /* [HGM] TestLegality definitely off! */
895 case VariantGothic: /* [HGM] should work */
896 case VariantCapablanca: /* [HGM] should work */
897 case VariantCourier: /* [HGM] initial forced moves not implemented */
898 case VariantShogi: /* [HGM] drops not tested for legality */
899 case VariantKnightmate: /* [HGM] should work */
900 case VariantCylinder: /* [HGM] untested */
901 case VariantFalcon: /* [HGM] untested */
902 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
903 offboard interposition not understood */
904 case VariantNormal: /* definitely works! */
905 case VariantWildCastle: /* pieces not automatically shuffled */
906 case VariantNoCastle: /* pieces not automatically shuffled */
907 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
908 case VariantLosers: /* should work except for win condition,
909 and doesn't know captures are mandatory */
910 case VariantSuicide: /* should work except for win condition,
911 and doesn't know captures are mandatory */
912 case VariantGiveaway: /* should work except for win condition,
913 and doesn't know captures are mandatory */
914 case VariantTwoKings: /* should work */
915 case VariantAtomic: /* should work except for win condition */
916 case Variant3Check: /* should work except for win condition */
917 case VariantShatranj: /* should work except for all win conditions */
918 case VariantMakruk: /* should work except for daw countdown */
919 case VariantBerolina: /* might work if TestLegality is off */
920 case VariantCapaRandom: /* should work */
921 case VariantJanus: /* should work */
922 case VariantSuper: /* experimental */
923 case VariantGreat: /* experimental, requires legality testing to be off */
928 InitEngineUCI( installDir, &first ); // [HGM] moved here from winboard.c, to make available in xboard
929 InitEngineUCI( installDir, &second );
932 int NextIntegerFromString( char ** str, long * value )
937 while( *s == ' ' || *s == '\t' ) {
943 if( *s >= '0' && *s <= '9' ) {
944 while( *s >= '0' && *s <= '9' ) {
945 *value = *value * 10 + (*s - '0');
957 int NextTimeControlFromString( char ** str, long * value )
960 int result = NextIntegerFromString( str, &temp );
963 *value = temp * 60; /* Minutes */
966 result = NextIntegerFromString( str, &temp );
967 *value += temp; /* Seconds */
974 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc)
975 { /* [HGM] routine added to read '+moves/time' for secondary time control */
976 int result = -1; long temp, temp2;
978 if(**str != '+') return -1; // old params remain in force!
980 if( NextTimeControlFromString( str, &temp ) ) return -1;
983 /* time only: incremental or sudden-death time control */
984 if(**str == '+') { /* increment follows; read it */
986 if(result = NextIntegerFromString( str, &temp2)) return -1;
989 *moves = 0; *tc = temp * 1000;
991 } else if(temp % 60 != 0) return -1; /* moves was given as min:sec */
993 (*str)++; /* classical time control */
994 result = NextTimeControlFromString( str, &temp2);
1003 int GetTimeQuota(int movenr)
1004 { /* [HGM] get time to add from the multi-session time-control string */
1005 int moves=1; /* kludge to force reading of first session */
1006 long time, increment;
1007 char *s = fullTimeControlString;
1009 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", fullTimeControlString);
1011 if(moves) NextSessionFromString(&s, &moves, &time, &increment);
1012 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
1013 if(movenr == -1) return time; /* last move before new session */
1014 if(!moves) return increment; /* current session is incremental */
1015 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1016 } while(movenr >= -1); /* try again for next session */
1018 return 0; // no new time quota on this move
1022 ParseTimeControl(tc, ti, mps)
1031 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1034 sprintf(buf, "+%d/%s+%d", mps, tc, ti);
1035 else sprintf(buf, "+%s+%d", tc, ti);
1038 sprintf(buf, "+%d/%s", mps, tc);
1039 else sprintf(buf, "+%s", tc);
1041 fullTimeControlString = StrSave(buf);
1043 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1048 /* Parse second time control */
1051 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1059 timeControl_2 = tc2 * 1000;
1069 timeControl = tc1 * 1000;
1072 timeIncrement = ti * 1000; /* convert to ms */
1073 movesPerSession = 0;
1076 movesPerSession = mps;
1084 if (appData.debugMode) {
1085 fprintf(debugFP, "%s\n", programVersion);
1088 set_cont_sequence(appData.wrapContSeq);
1089 if (appData.matchGames > 0) {
1090 appData.matchMode = TRUE;
1091 } else if (appData.matchMode) {
1092 appData.matchGames = 1;
1094 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1095 appData.matchGames = appData.sameColorGames;
1096 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1097 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1098 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1101 if (appData.noChessProgram || first.protocolVersion == 1) {
1104 /* kludge: allow timeout for initial "feature" commands */
1106 DisplayMessage("", _("Starting chess program"));
1107 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1112 InitBackEnd3 P((void))
1114 GameMode initialMode;
1118 InitChessProgram(&first, startedFromSetupPosition);
1120 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1121 free(programVersion);
1122 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1123 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1126 if (appData.icsActive) {
1128 /* [DM] Make a console window if needed [HGM] merged ifs */
1133 if (*appData.icsCommPort != NULLCHAR) {
1134 sprintf(buf, _("Could not open comm port %s"),
1135 appData.icsCommPort);
1137 snprintf(buf, sizeof(buf), _("Could not connect to host %s, port %s"),
1138 appData.icsHost, appData.icsPort);
1140 DisplayFatalError(buf, err, 1);
1145 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1147 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1148 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1149 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1150 } else if (appData.noChessProgram) {
1156 if (*appData.cmailGameName != NULLCHAR) {
1158 OpenLoopback(&cmailPR);
1160 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1164 DisplayMessage("", "");
1165 if (StrCaseCmp(appData.initialMode, "") == 0) {
1166 initialMode = BeginningOfGame;
1167 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1168 initialMode = TwoMachinesPlay;
1169 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1170 initialMode = AnalyzeFile;
1171 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1172 initialMode = AnalyzeMode;
1173 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1174 initialMode = MachinePlaysWhite;
1175 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1176 initialMode = MachinePlaysBlack;
1177 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1178 initialMode = EditGame;
1179 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1180 initialMode = EditPosition;
1181 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1182 initialMode = Training;
1184 sprintf(buf, _("Unknown initialMode %s"), appData.initialMode);
1185 DisplayFatalError(buf, 0, 2);
1189 if (appData.matchMode) {
1190 /* Set up machine vs. machine match */
1191 if (appData.noChessProgram) {
1192 DisplayFatalError(_("Can't have a match with no chess programs"),
1198 if (*appData.loadGameFile != NULLCHAR) {
1199 int index = appData.loadGameIndex; // [HGM] autoinc
1200 if(index<0) lastIndex = index = 1;
1201 if (!LoadGameFromFile(appData.loadGameFile,
1203 appData.loadGameFile, FALSE)) {
1204 DisplayFatalError(_("Bad game file"), 0, 1);
1207 } else if (*appData.loadPositionFile != NULLCHAR) {
1208 int index = appData.loadPositionIndex; // [HGM] autoinc
1209 if(index<0) lastIndex = index = 1;
1210 if (!LoadPositionFromFile(appData.loadPositionFile,
1212 appData.loadPositionFile)) {
1213 DisplayFatalError(_("Bad position file"), 0, 1);
1218 } else if (*appData.cmailGameName != NULLCHAR) {
1219 /* Set up cmail mode */
1220 ReloadCmailMsgEvent(TRUE);
1222 /* Set up other modes */
1223 if (initialMode == AnalyzeFile) {
1224 if (*appData.loadGameFile == NULLCHAR) {
1225 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1229 if (*appData.loadGameFile != NULLCHAR) {
1230 (void) LoadGameFromFile(appData.loadGameFile,
1231 appData.loadGameIndex,
1232 appData.loadGameFile, TRUE);
1233 } else if (*appData.loadPositionFile != NULLCHAR) {
1234 (void) LoadPositionFromFile(appData.loadPositionFile,
1235 appData.loadPositionIndex,
1236 appData.loadPositionFile);
1237 /* [HGM] try to make self-starting even after FEN load */
1238 /* to allow automatic setup of fairy variants with wtm */
1239 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1240 gameMode = BeginningOfGame;
1241 setboardSpoiledMachineBlack = 1;
1243 /* [HGM] loadPos: make that every new game uses the setup */
1244 /* from file as long as we do not switch variant */
1245 if(!blackPlaysFirst) {
1246 startedFromPositionFile = TRUE;
1247 CopyBoard(filePosition, boards[0]);
1250 if (initialMode == AnalyzeMode) {
1251 if (appData.noChessProgram) {
1252 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1255 if (appData.icsActive) {
1256 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1260 } else if (initialMode == AnalyzeFile) {
1261 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1262 ShowThinkingEvent();
1264 AnalysisPeriodicEvent(1);
1265 } else if (initialMode == MachinePlaysWhite) {
1266 if (appData.noChessProgram) {
1267 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1271 if (appData.icsActive) {
1272 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1276 MachineWhiteEvent();
1277 } else if (initialMode == MachinePlaysBlack) {
1278 if (appData.noChessProgram) {
1279 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1283 if (appData.icsActive) {
1284 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1288 MachineBlackEvent();
1289 } else if (initialMode == TwoMachinesPlay) {
1290 if (appData.noChessProgram) {
1291 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1295 if (appData.icsActive) {
1296 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1301 } else if (initialMode == EditGame) {
1303 } else if (initialMode == EditPosition) {
1304 EditPositionEvent();
1305 } else if (initialMode == Training) {
1306 if (*appData.loadGameFile == NULLCHAR) {
1307 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1316 * Establish will establish a contact to a remote host.port.
1317 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1318 * used to talk to the host.
1319 * Returns 0 if okay, error code if not.
1326 if (*appData.icsCommPort != NULLCHAR) {
1327 /* Talk to the host through a serial comm port */
1328 return OpenCommPort(appData.icsCommPort, &icsPR);
1330 } else if (*appData.gateway != NULLCHAR) {
1331 if (*appData.remoteShell == NULLCHAR) {
1332 /* Use the rcmd protocol to run telnet program on a gateway host */
1333 snprintf(buf, sizeof(buf), "%s %s %s",
1334 appData.telnetProgram, appData.icsHost, appData.icsPort);
1335 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1338 /* Use the rsh program to run telnet program on a gateway host */
1339 if (*appData.remoteUser == NULLCHAR) {
1340 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1341 appData.gateway, appData.telnetProgram,
1342 appData.icsHost, appData.icsPort);
1344 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1345 appData.remoteShell, appData.gateway,
1346 appData.remoteUser, appData.telnetProgram,
1347 appData.icsHost, appData.icsPort);
1349 return StartChildProcess(buf, "", &icsPR);
1352 } else if (appData.useTelnet) {
1353 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1356 /* TCP socket interface differs somewhat between
1357 Unix and NT; handle details in the front end.
1359 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1363 void EscapeExpand(char *p, char *q)
1364 { // [HGM] initstring: routine to shape up string arguments
1365 while(*p++ = *q++) if(p[-1] == '\\')
1367 case 'n': p[-1] = '\n'; break;
1368 case 'r': p[-1] = '\r'; break;
1369 case 't': p[-1] = '\t'; break;
1370 case '\\': p[-1] = '\\'; break;
1371 case 0: *p = 0; return;
1372 default: p[-1] = q[-1]; break;
1377 show_bytes(fp, buf, count)
1383 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1384 fprintf(fp, "\\%03o", *buf & 0xff);
1393 /* Returns an errno value */
1395 OutputMaybeTelnet(pr, message, count, outError)
1401 char buf[8192], *p, *q, *buflim;
1402 int left, newcount, outcount;
1404 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1405 *appData.gateway != NULLCHAR) {
1406 if (appData.debugMode) {
1407 fprintf(debugFP, ">ICS: ");
1408 show_bytes(debugFP, message, count);
1409 fprintf(debugFP, "\n");
1411 return OutputToProcess(pr, message, count, outError);
1414 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1421 if (appData.debugMode) {
1422 fprintf(debugFP, ">ICS: ");
1423 show_bytes(debugFP, buf, newcount);
1424 fprintf(debugFP, "\n");
1426 outcount = OutputToProcess(pr, buf, newcount, outError);
1427 if (outcount < newcount) return -1; /* to be sure */
1434 } else if (((unsigned char) *p) == TN_IAC) {
1435 *q++ = (char) TN_IAC;
1442 if (appData.debugMode) {
1443 fprintf(debugFP, ">ICS: ");
1444 show_bytes(debugFP, buf, newcount);
1445 fprintf(debugFP, "\n");
1447 outcount = OutputToProcess(pr, buf, newcount, outError);
1448 if (outcount < newcount) return -1; /* to be sure */
1453 read_from_player(isr, closure, message, count, error)
1460 int outError, outCount;
1461 static int gotEof = 0;
1463 /* Pass data read from player on to ICS */
1466 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1467 if (outCount < count) {
1468 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1470 } else if (count < 0) {
1471 RemoveInputSource(isr);
1472 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1473 } else if (gotEof++ > 0) {
1474 RemoveInputSource(isr);
1475 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1481 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1482 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1483 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1484 SendToICS("date\n");
1485 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1488 /* added routine for printf style output to ics */
1489 void ics_printf(char *format, ...)
1491 char buffer[MSG_SIZ];
1494 va_start(args, format);
1495 vsnprintf(buffer, sizeof(buffer), format, args);
1496 buffer[sizeof(buffer)-1] = '\0';
1505 int count, outCount, outError;
1507 if (icsPR == NULL) return;
1510 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1511 if (outCount < count) {
1512 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1516 /* This is used for sending logon scripts to the ICS. Sending
1517 without a delay causes problems when using timestamp on ICC
1518 (at least on my machine). */
1520 SendToICSDelayed(s,msdelay)
1524 int count, outCount, outError;
1526 if (icsPR == NULL) return;
1529 if (appData.debugMode) {
1530 fprintf(debugFP, ">ICS: ");
1531 show_bytes(debugFP, s, count);
1532 fprintf(debugFP, "\n");
1534 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1536 if (outCount < count) {
1537 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1542 /* Remove all highlighting escape sequences in s
1543 Also deletes any suffix starting with '('
1546 StripHighlightAndTitle(s)
1549 static char retbuf[MSG_SIZ];
1552 while (*s != NULLCHAR) {
1553 while (*s == '\033') {
1554 while (*s != NULLCHAR && !isalpha(*s)) s++;
1555 if (*s != NULLCHAR) s++;
1557 while (*s != NULLCHAR && *s != '\033') {
1558 if (*s == '(' || *s == '[') {
1569 /* Remove all highlighting escape sequences in s */
1574 static char retbuf[MSG_SIZ];
1577 while (*s != NULLCHAR) {
1578 while (*s == '\033') {
1579 while (*s != NULLCHAR && !isalpha(*s)) s++;
1580 if (*s != NULLCHAR) s++;
1582 while (*s != NULLCHAR && *s != '\033') {
1590 char *variantNames[] = VARIANT_NAMES;
1595 return variantNames[v];
1599 /* Identify a variant from the strings the chess servers use or the
1600 PGN Variant tag names we use. */
1607 VariantClass v = VariantNormal;
1608 int i, found = FALSE;
1613 /* [HGM] skip over optional board-size prefixes */
1614 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1615 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1616 while( *e++ != '_');
1619 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1623 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1624 if (StrCaseStr(e, variantNames[i])) {
1625 v = (VariantClass) i;
1632 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1633 || StrCaseStr(e, "wild/fr")
1634 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1635 v = VariantFischeRandom;
1636 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1637 (i = 1, p = StrCaseStr(e, "w"))) {
1639 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
1646 case 0: /* FICS only, actually */
1648 /* Castling legal even if K starts on d-file */
1649 v = VariantWildCastle;
1654 /* Castling illegal even if K & R happen to start in
1655 normal positions. */
1656 v = VariantNoCastle;
1669 /* Castling legal iff K & R start in normal positions */
1675 /* Special wilds for position setup; unclear what to do here */
1676 v = VariantLoadable;
1679 /* Bizarre ICC game */
1680 v = VariantTwoKings;
1683 v = VariantKriegspiel;
1689 v = VariantFischeRandom;
1692 v = VariantCrazyhouse;
1695 v = VariantBughouse;
1701 /* Not quite the same as FICS suicide! */
1702 v = VariantGiveaway;
1708 v = VariantShatranj;
1711 /* Temporary names for future ICC types. The name *will* change in
1712 the next xboard/WinBoard release after ICC defines it. */
1750 v = VariantCapablanca;
1753 v = VariantKnightmate;
1759 v = VariantCylinder;
1765 v = VariantCapaRandom;
1768 v = VariantBerolina;
1780 /* Found "wild" or "w" in the string but no number;
1781 must assume it's normal chess. */
1785 sprintf(buf, _("Unknown wild type %d"), wnum);
1786 DisplayError(buf, 0);
1792 if (appData.debugMode) {
1793 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
1794 e, wnum, VariantName(v));
1799 static int leftover_start = 0, leftover_len = 0;
1800 char star_match[STAR_MATCH_N][MSG_SIZ];
1802 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
1803 advance *index beyond it, and set leftover_start to the new value of
1804 *index; else return FALSE. If pattern contains the character '*', it
1805 matches any sequence of characters not containing '\r', '\n', or the
1806 character following the '*' (if any), and the matched sequence(s) are
1807 copied into star_match.
1810 looking_at(buf, index, pattern)
1815 char *bufp = &buf[*index], *patternp = pattern;
1817 char *matchp = star_match[0];
1820 if (*patternp == NULLCHAR) {
1821 *index = leftover_start = bufp - buf;
1825 if (*bufp == NULLCHAR) return FALSE;
1826 if (*patternp == '*') {
1827 if (*bufp == *(patternp + 1)) {
1829 matchp = star_match[++star_count];
1833 } else if (*bufp == '\n' || *bufp == '\r') {
1835 if (*patternp == NULLCHAR)
1840 *matchp++ = *bufp++;
1844 if (*patternp != *bufp) return FALSE;
1851 SendToPlayer(data, length)
1855 int error, outCount;
1856 outCount = OutputToProcess(NoProc, data, length, &error);
1857 if (outCount < length) {
1858 DisplayFatalError(_("Error writing to display"), error, 1);
1863 PackHolding(packed, holding)
1875 switch (runlength) {
1886 sprintf(q, "%d", runlength);
1898 /* Telnet protocol requests from the front end */
1900 TelnetRequest(ddww, option)
1901 unsigned char ddww, option;
1903 unsigned char msg[3];
1904 int outCount, outError;
1906 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
1908 if (appData.debugMode) {
1909 char buf1[8], buf2[8], *ddwwStr, *optionStr;
1925 sprintf(buf1, "%d", ddww);
1934 sprintf(buf2, "%d", option);
1937 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
1942 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
1944 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1951 if (!appData.icsActive) return;
1952 TelnetRequest(TN_DO, TN_ECHO);
1958 if (!appData.icsActive) return;
1959 TelnetRequest(TN_DONT, TN_ECHO);
1963 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
1965 /* put the holdings sent to us by the server on the board holdings area */
1966 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
1970 if(gameInfo.holdingsWidth < 2) return;
1971 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
1972 return; // prevent overwriting by pre-board holdings
1974 if( (int)lowestPiece >= BlackPawn ) {
1977 holdingsStartRow = BOARD_HEIGHT-1;
1980 holdingsColumn = BOARD_WIDTH-1;
1981 countsColumn = BOARD_WIDTH-2;
1982 holdingsStartRow = 0;
1986 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
1987 board[i][holdingsColumn] = EmptySquare;
1988 board[i][countsColumn] = (ChessSquare) 0;
1990 while( (p=*holdings++) != NULLCHAR ) {
1991 piece = CharToPiece( ToUpper(p) );
1992 if(piece == EmptySquare) continue;
1993 /*j = (int) piece - (int) WhitePawn;*/
1994 j = PieceToNumber(piece);
1995 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
1996 if(j < 0) continue; /* should not happen */
1997 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
1998 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
1999 board[holdingsStartRow+j*direction][countsColumn]++;
2005 VariantSwitch(Board board, VariantClass newVariant)
2007 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2008 static Board oldBoard;
2010 startedFromPositionFile = FALSE;
2011 if(gameInfo.variant == newVariant) return;
2013 /* [HGM] This routine is called each time an assignment is made to
2014 * gameInfo.variant during a game, to make sure the board sizes
2015 * are set to match the new variant. If that means adding or deleting
2016 * holdings, we shift the playing board accordingly
2017 * This kludge is needed because in ICS observe mode, we get boards
2018 * of an ongoing game without knowing the variant, and learn about the
2019 * latter only later. This can be because of the move list we requested,
2020 * in which case the game history is refilled from the beginning anyway,
2021 * but also when receiving holdings of a crazyhouse game. In the latter
2022 * case we want to add those holdings to the already received position.
2026 if (appData.debugMode) {
2027 fprintf(debugFP, "Switch board from %s to %s\n",
2028 VariantName(gameInfo.variant), VariantName(newVariant));
2029 setbuf(debugFP, NULL);
2031 shuffleOpenings = 0; /* [HGM] shuffle */
2032 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2036 newWidth = 9; newHeight = 9;
2037 gameInfo.holdingsSize = 7;
2038 case VariantBughouse:
2039 case VariantCrazyhouse:
2040 newHoldingsWidth = 2; break;
2044 newHoldingsWidth = 2;
2045 gameInfo.holdingsSize = 8;
2048 case VariantCapablanca:
2049 case VariantCapaRandom:
2052 newHoldingsWidth = gameInfo.holdingsSize = 0;
2055 if(newWidth != gameInfo.boardWidth ||
2056 newHeight != gameInfo.boardHeight ||
2057 newHoldingsWidth != gameInfo.holdingsWidth ) {
2059 /* shift position to new playing area, if needed */
2060 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2061 for(i=0; i<BOARD_HEIGHT; i++)
2062 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2063 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2065 for(i=0; i<newHeight; i++) {
2066 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2067 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2069 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2070 for(i=0; i<BOARD_HEIGHT; i++)
2071 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2072 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2075 gameInfo.boardWidth = newWidth;
2076 gameInfo.boardHeight = newHeight;
2077 gameInfo.holdingsWidth = newHoldingsWidth;
2078 gameInfo.variant = newVariant;
2079 InitDrawingSizes(-2, 0);
2080 } else gameInfo.variant = newVariant;
2081 CopyBoard(oldBoard, board); // remember correctly formatted board
2082 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2083 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2086 static int loggedOn = FALSE;
2088 /*-- Game start info cache: --*/
2090 char gs_kind[MSG_SIZ];
2091 static char player1Name[128] = "";
2092 static char player2Name[128] = "";
2093 static char cont_seq[] = "\n\\ ";
2094 static int player1Rating = -1;
2095 static int player2Rating = -1;
2096 /*----------------------------*/
2098 ColorClass curColor = ColorNormal;
2099 int suppressKibitz = 0;
2102 Boolean soughtPending = FALSE;
2103 Boolean seekGraphUp;
2104 #define MAX_SEEK_ADS 200
2106 char *seekAdList[MAX_SEEK_ADS];
2107 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2108 float tcList[MAX_SEEK_ADS];
2109 char colorList[MAX_SEEK_ADS];
2110 int nrOfSeekAds = 0;
2111 int minRating = 1010, maxRating = 2800;
2112 int hMargin = 10, vMargin = 20, h, w;
2113 extern int squareSize, lineGap;
2118 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2119 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2120 if(r < minRating+100 && r >=0 ) r = minRating+100;
2121 if(r > maxRating) r = maxRating;
2122 if(tc < 1.) tc = 1.;
2123 if(tc > 95.) tc = 95.;
2124 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2125 y = ((double)r - minRating)/(maxRating - minRating)
2126 * (h-vMargin-squareSize/8-1) + vMargin;
2127 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2128 if(strstr(seekAdList[i], " u ")) color = 1;
2129 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2130 !strstr(seekAdList[i], "bullet") &&
2131 !strstr(seekAdList[i], "blitz") &&
2132 !strstr(seekAdList[i], "standard") ) color = 2;
2133 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2134 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2138 AddAd(char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2140 char buf[MSG_SIZ], *ext = "";
2141 VariantClass v = StringToVariant(type);
2142 if(strstr(type, "wild")) {
2143 ext = type + 4; // append wild number
2144 if(v == VariantFischeRandom) type = "chess960"; else
2145 if(v == VariantLoadable) type = "setup"; else
2146 type = VariantName(v);
2148 sprintf(buf, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2149 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2150 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2151 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2152 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2153 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2154 seekNrList[nrOfSeekAds] = nr;
2155 zList[nrOfSeekAds] = 0;
2156 seekAdList[nrOfSeekAds++] = StrSave(buf);
2157 if(plot) PlotSeekAd(nrOfSeekAds-1);
2164 int x = xList[i], y = yList[i], d=squareSize/4, k;
2165 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2166 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2167 // now replot every dot that overlapped
2168 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2169 int xx = xList[k], yy = yList[k];
2170 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2171 DrawSeekDot(xx, yy, colorList[k]);
2176 RemoveSeekAd(int nr)
2179 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2181 if(seekAdList[i]) free(seekAdList[i]);
2182 seekAdList[i] = seekAdList[--nrOfSeekAds];
2183 seekNrList[i] = seekNrList[nrOfSeekAds];
2184 ratingList[i] = ratingList[nrOfSeekAds];
2185 colorList[i] = colorList[nrOfSeekAds];
2186 tcList[i] = tcList[nrOfSeekAds];
2187 xList[i] = xList[nrOfSeekAds];
2188 yList[i] = yList[nrOfSeekAds];
2189 zList[i] = zList[nrOfSeekAds];
2190 seekAdList[nrOfSeekAds] = NULL;
2196 MatchSoughtLine(char *line)
2198 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2199 int nr, base, inc, u=0; char dummy;
2201 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2202 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2204 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2205 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2206 // match: compact and save the line
2207 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2217 if(!seekGraphUp) return FALSE;
2218 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2219 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2221 DrawSeekBackground(0, 0, w, h);
2222 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2223 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2224 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2225 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2227 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2230 sprintf(buf, "%d", i);
2231 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2234 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2235 for(i=1; i<100; i+=(i<10?1:5)) {
2236 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2237 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2238 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2240 sprintf(buf, "%d", i);
2241 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2244 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2248 int SeekGraphClick(ClickType click, int x, int y, int moving)
2250 static int lastDown = 0, displayed = 0, lastSecond;
2251 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2252 if(click == Release || moving) return FALSE;
2254 soughtPending = TRUE;
2255 SendToICS(ics_prefix);
2256 SendToICS("sought\n"); // should this be "sought all"?
2257 } else { // issue challenge based on clicked ad
2258 int dist = 10000; int i, closest = 0, second = 0;
2259 for(i=0; i<nrOfSeekAds; i++) {
2260 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2261 if(d < dist) { dist = d; closest = i; }
2262 second += (d - zList[i] < 120); // count in-range ads
2263 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2267 second = (second > 1);
2268 if(displayed != closest || second != lastSecond) {
2269 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2270 lastSecond = second; displayed = closest;
2272 if(click == Press) {
2273 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2276 } // on press 'hit', only show info
2277 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2278 sprintf(buf, "play %d\n", seekNrList[closest]);
2279 SendToICS(ics_prefix);
2281 return TRUE; // let incoming board of started game pop down the graph
2282 } else if(click == Release) { // release 'miss' is ignored
2283 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2284 if(moving == 2) { // right up-click
2285 nrOfSeekAds = 0; // refresh graph
2286 soughtPending = TRUE;
2287 SendToICS(ics_prefix);
2288 SendToICS("sought\n"); // should this be "sought all"?
2291 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2292 // press miss or release hit 'pop down' seek graph
2293 seekGraphUp = FALSE;
2294 DrawPosition(TRUE, NULL);
2300 read_from_ics(isr, closure, data, count, error)
2307 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2308 #define STARTED_NONE 0
2309 #define STARTED_MOVES 1
2310 #define STARTED_BOARD 2
2311 #define STARTED_OBSERVE 3
2312 #define STARTED_HOLDINGS 4
2313 #define STARTED_CHATTER 5
2314 #define STARTED_COMMENT 6
2315 #define STARTED_MOVES_NOHIDE 7
2317 static int started = STARTED_NONE;
2318 static char parse[20000];
2319 static int parse_pos = 0;
2320 static char buf[BUF_SIZE + 1];
2321 static int firstTime = TRUE, intfSet = FALSE;
2322 static ColorClass prevColor = ColorNormal;
2323 static int savingComment = FALSE;
2324 static int cmatch = 0; // continuation sequence match
2331 int backup; /* [DM] For zippy color lines */
2333 char talker[MSG_SIZ]; // [HGM] chat
2336 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2338 if (appData.debugMode) {
2340 fprintf(debugFP, "<ICS: ");
2341 show_bytes(debugFP, data, count);
2342 fprintf(debugFP, "\n");
2346 if (appData.debugMode) { int f = forwardMostMove;
2347 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2348 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2349 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2352 /* If last read ended with a partial line that we couldn't parse,
2353 prepend it to the new read and try again. */
2354 if (leftover_len > 0) {
2355 for (i=0; i<leftover_len; i++)
2356 buf[i] = buf[leftover_start + i];
2359 /* copy new characters into the buffer */
2360 bp = buf + leftover_len;
2361 buf_len=leftover_len;
2362 for (i=0; i<count; i++)
2365 if (data[i] == '\r')
2368 // join lines split by ICS?
2369 if (!appData.noJoin)
2372 Joining just consists of finding matches against the
2373 continuation sequence, and discarding that sequence
2374 if found instead of copying it. So, until a match
2375 fails, there's nothing to do since it might be the
2376 complete sequence, and thus, something we don't want
2379 if (data[i] == cont_seq[cmatch])
2382 if (cmatch == strlen(cont_seq))
2384 cmatch = 0; // complete match. just reset the counter
2387 it's possible for the ICS to not include the space
2388 at the end of the last word, making our [correct]
2389 join operation fuse two separate words. the server
2390 does this when the space occurs at the width setting.
2392 if (!buf_len || buf[buf_len-1] != ' ')
2403 match failed, so we have to copy what matched before
2404 falling through and copying this character. In reality,
2405 this will only ever be just the newline character, but
2406 it doesn't hurt to be precise.
2408 strncpy(bp, cont_seq, cmatch);
2420 buf[buf_len] = NULLCHAR;
2421 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2426 while (i < buf_len) {
2427 /* Deal with part of the TELNET option negotiation
2428 protocol. We refuse to do anything beyond the
2429 defaults, except that we allow the WILL ECHO option,
2430 which ICS uses to turn off password echoing when we are
2431 directly connected to it. We reject this option
2432 if localLineEditing mode is on (always on in xboard)
2433 and we are talking to port 23, which might be a real
2434 telnet server that will try to keep WILL ECHO on permanently.
2436 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2437 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2438 unsigned char option;
2440 switch ((unsigned char) buf[++i]) {
2442 if (appData.debugMode)
2443 fprintf(debugFP, "\n<WILL ");
2444 switch (option = (unsigned char) buf[++i]) {
2446 if (appData.debugMode)
2447 fprintf(debugFP, "ECHO ");
2448 /* Reply only if this is a change, according
2449 to the protocol rules. */
2450 if (remoteEchoOption) break;
2451 if (appData.localLineEditing &&
2452 atoi(appData.icsPort) == TN_PORT) {
2453 TelnetRequest(TN_DONT, TN_ECHO);
2456 TelnetRequest(TN_DO, TN_ECHO);
2457 remoteEchoOption = TRUE;
2461 if (appData.debugMode)
2462 fprintf(debugFP, "%d ", option);
2463 /* Whatever this is, we don't want it. */
2464 TelnetRequest(TN_DONT, option);
2469 if (appData.debugMode)
2470 fprintf(debugFP, "\n<WONT ");
2471 switch (option = (unsigned char) buf[++i]) {
2473 if (appData.debugMode)
2474 fprintf(debugFP, "ECHO ");
2475 /* Reply only if this is a change, according
2476 to the protocol rules. */
2477 if (!remoteEchoOption) break;
2479 TelnetRequest(TN_DONT, TN_ECHO);
2480 remoteEchoOption = FALSE;
2483 if (appData.debugMode)
2484 fprintf(debugFP, "%d ", (unsigned char) option);
2485 /* Whatever this is, it must already be turned
2486 off, because we never agree to turn on
2487 anything non-default, so according to the
2488 protocol rules, we don't reply. */
2493 if (appData.debugMode)
2494 fprintf(debugFP, "\n<DO ");
2495 switch (option = (unsigned char) buf[++i]) {
2497 /* Whatever this is, we refuse to do it. */
2498 if (appData.debugMode)
2499 fprintf(debugFP, "%d ", option);
2500 TelnetRequest(TN_WONT, option);
2505 if (appData.debugMode)
2506 fprintf(debugFP, "\n<DONT ");
2507 switch (option = (unsigned char) buf[++i]) {
2509 if (appData.debugMode)
2510 fprintf(debugFP, "%d ", option);
2511 /* Whatever this is, we are already not doing
2512 it, because we never agree to do anything
2513 non-default, so according to the protocol
2514 rules, we don't reply. */
2519 if (appData.debugMode)
2520 fprintf(debugFP, "\n<IAC ");
2521 /* Doubled IAC; pass it through */
2525 if (appData.debugMode)
2526 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2527 /* Drop all other telnet commands on the floor */
2530 if (oldi > next_out)
2531 SendToPlayer(&buf[next_out], oldi - next_out);
2537 /* OK, this at least will *usually* work */
2538 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2542 if (loggedOn && !intfSet) {
2543 if (ics_type == ICS_ICC) {
2545 "/set-quietly interface %s\n/set-quietly style 12\n",
2547 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2548 strcat(str, "/set-2 51 1\n/set seek 1\n");
2549 } else if (ics_type == ICS_CHESSNET) {
2550 sprintf(str, "/style 12\n");
2552 strcpy(str, "alias $ @\n$set interface ");
2553 strcat(str, programVersion);
2554 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2555 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2556 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2558 strcat(str, "$iset nohighlight 1\n");
2560 strcat(str, "$iset lock 1\n$style 12\n");
2563 NotifyFrontendLogin();
2567 if (started == STARTED_COMMENT) {
2568 /* Accumulate characters in comment */
2569 parse[parse_pos++] = buf[i];
2570 if (buf[i] == '\n') {
2571 parse[parse_pos] = NULLCHAR;
2572 if(chattingPartner>=0) {
2574 sprintf(mess, "%s%s", talker, parse);
2575 OutputChatMessage(chattingPartner, mess);
2576 chattingPartner = -1;
2577 next_out = i+1; // [HGM] suppress printing in ICS window
2579 if(!suppressKibitz) // [HGM] kibitz
2580 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2581 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2582 int nrDigit = 0, nrAlph = 0, j;
2583 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2584 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2585 parse[parse_pos] = NULLCHAR;
2586 // try to be smart: if it does not look like search info, it should go to
2587 // ICS interaction window after all, not to engine-output window.
2588 for(j=0; j<parse_pos; j++) { // count letters and digits
2589 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2590 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2591 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2593 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2594 int depth=0; float score;
2595 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2596 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2597 pvInfoList[forwardMostMove-1].depth = depth;
2598 pvInfoList[forwardMostMove-1].score = 100*score;
2600 OutputKibitz(suppressKibitz, parse);
2603 sprintf(tmp, _("your opponent kibitzes: %s"), parse);
2604 SendToPlayer(tmp, strlen(tmp));
2606 next_out = i+1; // [HGM] suppress printing in ICS window
2608 started = STARTED_NONE;
2610 /* Don't match patterns against characters in comment */
2615 if (started == STARTED_CHATTER) {
2616 if (buf[i] != '\n') {
2617 /* Don't match patterns against characters in chatter */
2621 started = STARTED_NONE;
2622 if(suppressKibitz) next_out = i+1;
2625 /* Kludge to deal with rcmd protocol */
2626 if (firstTime && looking_at(buf, &i, "\001*")) {
2627 DisplayFatalError(&buf[1], 0, 1);
2633 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2636 if (appData.debugMode)
2637 fprintf(debugFP, "ics_type %d\n", ics_type);
2640 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2641 ics_type = ICS_FICS;
2643 if (appData.debugMode)
2644 fprintf(debugFP, "ics_type %d\n", ics_type);
2647 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
2648 ics_type = ICS_CHESSNET;
2650 if (appData.debugMode)
2651 fprintf(debugFP, "ics_type %d\n", ics_type);
2656 (looking_at(buf, &i, "\"*\" is *a registered name") ||
2657 looking_at(buf, &i, "Logging you in as \"*\"") ||
2658 looking_at(buf, &i, "will be \"*\""))) {
2659 strcpy(ics_handle, star_match[0]);
2663 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
2665 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
2666 DisplayIcsInteractionTitle(buf);
2667 have_set_title = TRUE;
2670 /* skip finger notes */
2671 if (started == STARTED_NONE &&
2672 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
2673 (buf[i] == '1' && buf[i+1] == '0')) &&
2674 buf[i+2] == ':' && buf[i+3] == ' ') {
2675 started = STARTED_CHATTER;
2681 // [HGM] seekgraph: recognize sought lines and end-of-sought message
2682 if(appData.seekGraph) {
2683 if(soughtPending && MatchSoughtLine(buf+i)) {
2684 i = strstr(buf+i, "rated") - buf;
2685 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2686 next_out = leftover_start = i;
2687 started = STARTED_CHATTER;
2688 suppressKibitz = TRUE;
2691 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
2692 && looking_at(buf, &i, "* ads displayed")) {
2693 soughtPending = FALSE;
2698 if(appData.autoRefresh) {
2699 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
2700 int s = (ics_type == ICS_ICC); // ICC format differs
2702 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
2703 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
2704 looking_at(buf, &i, "*% "); // eat prompt
2705 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
2706 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2707 next_out = i; // suppress
2710 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
2711 char *p = star_match[0];
2713 if(seekGraphUp) RemoveSeekAd(atoi(p));
2714 while(*p && *p++ != ' '); // next
2716 looking_at(buf, &i, "*% "); // eat prompt
2717 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2724 /* skip formula vars */
2725 if (started == STARTED_NONE &&
2726 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
2727 started = STARTED_CHATTER;
2732 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
2733 if (appData.autoKibitz && started == STARTED_NONE &&
2734 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
2735 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
2736 if((looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
2737 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
2738 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
2739 suppressKibitz = TRUE;
2740 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2742 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
2743 && (gameMode == IcsPlayingWhite)) ||
2744 (StrStr(star_match[0], gameInfo.black) == star_match[0]
2745 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
2746 started = STARTED_CHATTER; // own kibitz we simply discard
2748 started = STARTED_COMMENT; // make sure it will be collected in parse[]
2749 parse_pos = 0; parse[0] = NULLCHAR;
2750 savingComment = TRUE;
2751 suppressKibitz = gameMode != IcsObserving ? 2 :
2752 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
2756 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
2757 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
2758 && atoi(star_match[0])) {
2759 // suppress the acknowledgements of our own autoKibitz
2761 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2762 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
2763 SendToPlayer(star_match[0], strlen(star_match[0]));
2764 if(looking_at(buf, &i, "*% ")) // eat prompt
2765 suppressKibitz = FALSE;
2769 } // [HGM] kibitz: end of patch
2771 // [HGM] chat: intercept tells by users for which we have an open chat window
2773 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
2774 looking_at(buf, &i, "* whispers:") ||
2775 looking_at(buf, &i, "* kibitzes:") ||
2776 looking_at(buf, &i, "* shouts:") ||
2777 looking_at(buf, &i, "* c-shouts:") ||
2778 looking_at(buf, &i, "--> * ") ||
2779 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
2780 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
2781 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
2782 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
2784 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
2785 chattingPartner = -1;
2787 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
2788 for(p=0; p<MAX_CHAT; p++) {
2789 if(channel == atoi(chatPartner[p])) {
2790 talker[0] = '['; strcat(talker, "] ");
2791 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
2792 chattingPartner = p; break;
2795 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
2796 for(p=0; p<MAX_CHAT; p++) {
2797 if(!strcmp("kibitzes", chatPartner[p])) {
2798 talker[0] = '['; strcat(talker, "] ");
2799 chattingPartner = p; break;
2802 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
2803 for(p=0; p<MAX_CHAT; p++) {
2804 if(!strcmp("whispers", chatPartner[p])) {
2805 talker[0] = '['; strcat(talker, "] ");
2806 chattingPartner = p; break;
2809 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
2810 if(buf[i-8] == '-' && buf[i-3] == 't')
2811 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
2812 if(!strcmp("c-shouts", chatPartner[p])) {
2813 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
2814 chattingPartner = p; break;
2817 if(chattingPartner < 0)
2818 for(p=0; p<MAX_CHAT; p++) {
2819 if(!strcmp("shouts", chatPartner[p])) {
2820 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
2821 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
2822 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
2823 chattingPartner = p; break;
2827 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
2828 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
2829 talker[0] = 0; Colorize(ColorTell, FALSE);
2830 chattingPartner = p; break;
2832 if(chattingPartner<0) i = oldi; else {
2833 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
2834 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
2835 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2836 started = STARTED_COMMENT;
2837 parse_pos = 0; parse[0] = NULLCHAR;
2838 savingComment = 3 + chattingPartner; // counts as TRUE
2839 suppressKibitz = TRUE;
2842 } // [HGM] chat: end of patch
2844 if (appData.zippyTalk || appData.zippyPlay) {
2845 /* [DM] Backup address for color zippy lines */
2848 if (loggedOn == TRUE)
2849 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
2850 (appData.zippyPlay && ZippyMatch(buf, &backup)));
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 WhiteNonPromotion:
4579 case BlackNonPromotion:
4580 sprintf(user_move, "%c%c%c%c=\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4582 case WhitePromotionQueen:
4583 case BlackPromotionQueen:
4584 case WhitePromotionRook:
4585 case BlackPromotionRook:
4586 case WhitePromotionBishop:
4587 case BlackPromotionBishop:
4588 case WhitePromotionKnight:
4589 case BlackPromotionKnight:
4590 case WhitePromotionKing:
4591 case BlackPromotionKing:
4592 case WhitePromotionChancellor:
4593 case BlackPromotionChancellor:
4594 case WhitePromotionArchbishop:
4595 case BlackPromotionArchbishop:
4596 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4597 sprintf(user_move, "%c%c%c%c=%c\n",
4598 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4599 PieceToChar(WhiteFerz));
4600 else if(gameInfo.variant == VariantGreat)
4601 sprintf(user_move, "%c%c%c%c=%c\n",
4602 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4603 PieceToChar(WhiteMan));
4605 sprintf(user_move, "%c%c%c%c=%c\n",
4606 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4607 PieceToChar(PromoPiece(moveType)));
4611 sprintf(user_move, "%c@%c%c\n",
4612 ToUpper(PieceToChar((ChessSquare) fromX)),
4613 AAA + toX, ONE + toY);
4616 case WhiteCapturesEnPassant:
4617 case BlackCapturesEnPassant:
4618 case IllegalMove: /* could be a variant we don't quite understand */
4619 sprintf(user_move, "%c%c%c%c\n",
4620 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4623 SendToICS(user_move);
4624 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
4625 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
4630 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
4631 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
4632 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
4633 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
4634 DisplayError("You cannot do this while you are playing or observing", 0);
4637 if(gameMode != IcsExamining) { // is this ever not the case?
4638 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
4640 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
4641 sprintf(command, "match %s", ics_handle);
4642 } else { // on FICS we must first go to general examine mode
4643 strcpy(command, "examine\nbsetup"); // and specify variant within it with bsetups
4645 if(gameInfo.variant != VariantNormal) {
4646 // try figure out wild number, as xboard names are not always valid on ICS
4647 for(i=1; i<=36; i++) {
4648 sprintf(buf, "wild/%d", i);
4649 if(StringToVariant(buf) == gameInfo.variant) break;
4651 if(i<=36 && ics_type == ICS_ICC) sprintf(buf, "%s w%d\n", command, i);
4652 else if(i == 22) sprintf(buf, "%s fr\n", command);
4653 else sprintf(buf, "%s %s\n", command, VariantName(gameInfo.variant));
4654 } else sprintf(buf, "%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
4655 SendToICS(ics_prefix);
4657 if(startedFromSetupPosition || backwardMostMove != 0) {
4658 fen = PositionToFEN(backwardMostMove, NULL);
4659 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
4660 sprintf(buf, "loadfen %s\n", fen);
4662 } else { // FICS: everything has to set by separate bsetup commands
4663 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
4664 sprintf(buf, "bsetup fen %s\n", fen);
4666 if(!WhiteOnMove(backwardMostMove)) {
4667 SendToICS("bsetup tomove black\n");
4669 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
4670 sprintf(buf, "bsetup wcastle %s\n", castlingStrings[i]);
4672 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
4673 sprintf(buf, "bsetup bcastle %s\n", castlingStrings[i]);
4675 i = boards[backwardMostMove][EP_STATUS];
4676 if(i >= 0) { // set e.p.
4677 sprintf(buf, "bsetup eppos %c\n", i+AAA);
4683 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
4684 SendToICS("bsetup done\n"); // switch to normal examining.
4686 for(i = backwardMostMove; i<last; i++) {
4688 sprintf(buf, "%s\n", parseList[i]);
4691 SendToICS(ics_prefix);
4692 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
4696 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
4701 if (rf == DROP_RANK) {
4702 sprintf(move, "%c@%c%c\n",
4703 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
4705 if (promoChar == 'x' || promoChar == NULLCHAR) {
4706 sprintf(move, "%c%c%c%c\n",
4707 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
4709 sprintf(move, "%c%c%c%c%c\n",
4710 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
4716 ProcessICSInitScript(f)
4721 while (fgets(buf, MSG_SIZ, f)) {
4722 SendToICSDelayed(buf,(long)appData.msLoginDelay);
4729 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
4731 AlphaRank(char *move, int n)
4733 // char *p = move, c; int x, y;
4735 if (appData.debugMode) {
4736 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
4740 move[2]>='0' && move[2]<='9' &&
4741 move[3]>='a' && move[3]<='x' ) {
4743 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4744 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4746 if(move[0]>='0' && move[0]<='9' &&
4747 move[1]>='a' && move[1]<='x' &&
4748 move[2]>='0' && move[2]<='9' &&
4749 move[3]>='a' && move[3]<='x' ) {
4750 /* input move, Shogi -> normal */
4751 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
4752 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
4753 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4754 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4757 move[3]>='0' && move[3]<='9' &&
4758 move[2]>='a' && move[2]<='x' ) {
4760 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4761 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4764 move[0]>='a' && move[0]<='x' &&
4765 move[3]>='0' && move[3]<='9' &&
4766 move[2]>='a' && move[2]<='x' ) {
4767 /* output move, normal -> Shogi */
4768 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
4769 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
4770 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4771 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4772 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
4774 if (appData.debugMode) {
4775 fprintf(debugFP, " out = '%s'\n", move);
4779 char yy_textstr[8000];
4781 /* Parser for moves from gnuchess, ICS, or user typein box */
4783 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
4786 ChessMove *moveType;
4787 int *fromX, *fromY, *toX, *toY;
4790 if (appData.debugMode) {
4791 fprintf(debugFP, "move to parse: %s\n", move);
4793 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
4795 switch (*moveType) {
4796 case WhitePromotionChancellor:
4797 case BlackPromotionChancellor:
4798 case WhitePromotionArchbishop:
4799 case BlackPromotionArchbishop:
4800 case WhitePromotionQueen:
4801 case BlackPromotionQueen:
4802 case WhitePromotionRook:
4803 case BlackPromotionRook:
4804 case WhitePromotionBishop:
4805 case BlackPromotionBishop:
4806 case WhitePromotionKnight:
4807 case BlackPromotionKnight:
4808 case WhitePromotionKing:
4809 case BlackPromotionKing:
4810 case WhiteNonPromotion:
4811 case BlackNonPromotion:
4813 case WhiteCapturesEnPassant:
4814 case BlackCapturesEnPassant:
4815 case WhiteKingSideCastle:
4816 case WhiteQueenSideCastle:
4817 case BlackKingSideCastle:
4818 case BlackQueenSideCastle:
4819 case WhiteKingSideCastleWild:
4820 case WhiteQueenSideCastleWild:
4821 case BlackKingSideCastleWild:
4822 case BlackQueenSideCastleWild:
4823 /* Code added by Tord: */
4824 case WhiteHSideCastleFR:
4825 case WhiteASideCastleFR:
4826 case BlackHSideCastleFR:
4827 case BlackASideCastleFR:
4828 /* End of code added by Tord */
4829 case IllegalMove: /* bug or odd chess variant */
4830 *fromX = currentMoveString[0] - AAA;
4831 *fromY = currentMoveString[1] - ONE;
4832 *toX = currentMoveString[2] - AAA;
4833 *toY = currentMoveString[3] - ONE;
4834 *promoChar = currentMoveString[4];
4835 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
4836 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
4837 if (appData.debugMode) {
4838 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
4840 *fromX = *fromY = *toX = *toY = 0;
4843 if (appData.testLegality) {
4844 return (*moveType != IllegalMove);
4846 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
4847 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
4852 *fromX = *moveType == WhiteDrop ?
4853 (int) CharToPiece(ToUpper(currentMoveString[0])) :
4854 (int) CharToPiece(ToLower(currentMoveString[0]));
4856 *toX = currentMoveString[2] - AAA;
4857 *toY = currentMoveString[3] - ONE;
4858 *promoChar = NULLCHAR;
4862 case ImpossibleMove:
4863 case (ChessMove) 0: /* end of file */
4872 if (appData.debugMode) {
4873 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
4876 *fromX = *fromY = *toX = *toY = 0;
4877 *promoChar = NULLCHAR;
4884 ParsePV(char *pv, Boolean storeComments)
4885 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
4886 int fromX, fromY, toX, toY; char promoChar;
4891 endPV = forwardMostMove;
4893 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
4894 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
4895 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
4896 if(appData.debugMode){
4897 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);
4899 if(!valid && nr == 0 &&
4900 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
4901 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
4902 // Hande case where played move is different from leading PV move
4903 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
4904 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
4905 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
4906 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
4907 endPV += 2; // if position different, keep this
4908 moveList[endPV-1][0] = fromX + AAA;
4909 moveList[endPV-1][1] = fromY + ONE;
4910 moveList[endPV-1][2] = toX + AAA;
4911 moveList[endPV-1][3] = toY + ONE;
4912 parseList[endPV-1][0] = NULLCHAR;
4913 strcpy(moveList[endPV-2], "_0_0"); // suppress premove highlight on takeback move
4916 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
4917 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
4918 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
4919 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
4920 valid++; // allow comments in PV
4924 if(endPV+1 > framePtr) break; // no space, truncate
4927 CopyBoard(boards[endPV], boards[endPV-1]);
4928 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
4929 moveList[endPV-1][0] = fromX + AAA;
4930 moveList[endPV-1][1] = fromY + ONE;
4931 moveList[endPV-1][2] = toX + AAA;
4932 moveList[endPV-1][3] = toY + ONE;
4934 CoordsToAlgebraic(boards[endPV - 1],
4935 PosFlags(endPV - 1),
4936 fromY, fromX, toY, toX, promoChar,
4937 parseList[endPV - 1]);
4939 parseList[endPV-1][0] = NULLCHAR;
4941 currentMove = endPV;
4942 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
4943 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
4944 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
4945 DrawPosition(TRUE, boards[currentMove]);
4948 static int lastX, lastY;
4951 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
4956 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
4957 lastX = x; lastY = y;
4958 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
4960 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
4961 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
4963 do{ while(buf[index] && buf[index] != '\n') index++;
4964 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
4966 ParsePV(buf+startPV, FALSE);
4967 *start = startPV; *end = index-1;
4972 LoadPV(int x, int y)
4973 { // called on right mouse click to load PV
4974 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
4975 lastX = x; lastY = y;
4976 ParsePV(lastPV[which], FALSE); // load the PV of the thinking engine in the boards array.
4983 if(endPV < 0) return;
4985 currentMove = forwardMostMove;
4986 ClearPremoveHighlights();
4987 DrawPosition(TRUE, boards[currentMove]);
4991 MovePV(int x, int y, int h)
4992 { // step through PV based on mouse coordinates (called on mouse move)
4993 int margin = h>>3, step = 0;
4995 if(endPV < 0) return;
4996 // we must somehow check if right button is still down (might be released off board!)
4997 if(y < margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = 1; else
4998 if(y > h - margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = -1; else
4999 if( y > lastY + 6 ) step = -1; else if(y < lastY - 6) step = 1;
5001 lastX = x; lastY = y;
5002 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5003 currentMove += step;
5004 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5005 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5006 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5007 DrawPosition(FALSE, boards[currentMove]);
5011 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5012 // All positions will have equal probability, but the current method will not provide a unique
5013 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5019 int piecesLeft[(int)BlackPawn];
5020 int seed, nrOfShuffles;
5022 void GetPositionNumber()
5023 { // sets global variable seed
5026 seed = appData.defaultFrcPosition;
5027 if(seed < 0) { // randomize based on time for negative FRC position numbers
5028 for(i=0; i<50; i++) seed += random();
5029 seed = random() ^ random() >> 8 ^ random() << 8;
5030 if(seed<0) seed = -seed;
5034 int put(Board board, int pieceType, int rank, int n, int shade)
5035 // put the piece on the (n-1)-th empty squares of the given shade
5039 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5040 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5041 board[rank][i] = (ChessSquare) pieceType;
5042 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5044 piecesLeft[pieceType]--;
5052 void AddOnePiece(Board board, int pieceType, int rank, int shade)
5053 // calculate where the next piece goes, (any empty square), and put it there
5057 i = seed % squaresLeft[shade];
5058 nrOfShuffles *= squaresLeft[shade];
5059 seed /= squaresLeft[shade];
5060 put(board, pieceType, rank, i, shade);
5063 void AddTwoPieces(Board board, int pieceType, int rank)
5064 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5066 int i, n=squaresLeft[ANY], j=n-1, k;
5068 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5069 i = seed % k; // pick one
5072 while(i >= j) i -= j--;
5073 j = n - 1 - j; i += j;
5074 put(board, pieceType, rank, j, ANY);
5075 put(board, pieceType, rank, i, ANY);
5078 void SetUpShuffle(Board board, int number)
5082 GetPositionNumber(); nrOfShuffles = 1;
5084 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5085 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5086 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5088 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5090 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5091 p = (int) board[0][i];
5092 if(p < (int) BlackPawn) piecesLeft[p] ++;
5093 board[0][i] = EmptySquare;
5096 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5097 // shuffles restricted to allow normal castling put KRR first
5098 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5099 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5100 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5101 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5102 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5103 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5104 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5105 put(board, WhiteRook, 0, 0, ANY);
5106 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5109 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5110 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5111 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5112 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5113 while(piecesLeft[p] >= 2) {
5114 AddOnePiece(board, p, 0, LITE);
5115 AddOnePiece(board, p, 0, DARK);
5117 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5120 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5121 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5122 // but we leave King and Rooks for last, to possibly obey FRC restriction
5123 if(p == (int)WhiteRook) continue;
5124 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5125 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5128 // now everything is placed, except perhaps King (Unicorn) and Rooks
5130 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5131 // Last King gets castling rights
5132 while(piecesLeft[(int)WhiteUnicorn]) {
5133 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5134 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5137 while(piecesLeft[(int)WhiteKing]) {
5138 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5139 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5144 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5145 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5148 // Only Rooks can be left; simply place them all
5149 while(piecesLeft[(int)WhiteRook]) {
5150 i = put(board, WhiteRook, 0, 0, ANY);
5151 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5154 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5156 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5159 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5160 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5163 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5166 int SetCharTable( char *table, const char * map )
5167 /* [HGM] moved here from winboard.c because of its general usefulness */
5168 /* Basically a safe strcpy that uses the last character as King */
5170 int result = FALSE; int NrPieces;
5172 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5173 && NrPieces >= 12 && !(NrPieces&1)) {
5174 int i; /* [HGM] Accept even length from 12 to 34 */
5176 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5177 for( i=0; i<NrPieces/2-1; i++ ) {
5179 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5181 table[(int) WhiteKing] = map[NrPieces/2-1];
5182 table[(int) BlackKing] = map[NrPieces-1];
5190 void Prelude(Board board)
5191 { // [HGM] superchess: random selection of exo-pieces
5192 int i, j, k; ChessSquare p;
5193 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5195 GetPositionNumber(); // use FRC position number
5197 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5198 SetCharTable(pieceToChar, appData.pieceToCharTable);
5199 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5200 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5203 j = seed%4; seed /= 4;
5204 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5205 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5206 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5207 j = seed%3 + (seed%3 >= j); seed /= 3;
5208 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5209 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5210 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5211 j = seed%3; seed /= 3;
5212 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5213 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5214 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5215 j = seed%2 + (seed%2 >= j); seed /= 2;
5216 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5217 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5218 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5219 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5220 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5221 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5222 put(board, exoPieces[0], 0, 0, ANY);
5223 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5227 InitPosition(redraw)
5230 ChessSquare (* pieces)[BOARD_FILES];
5231 int i, j, pawnRow, overrule,
5232 oldx = gameInfo.boardWidth,
5233 oldy = gameInfo.boardHeight,
5234 oldh = gameInfo.holdingsWidth,
5235 oldv = gameInfo.variant;
5237 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5239 /* [AS] Initialize pv info list [HGM] and game status */
5241 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5242 pvInfoList[i].depth = 0;
5243 boards[i][EP_STATUS] = EP_NONE;
5244 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5247 initialRulePlies = 0; /* 50-move counter start */
5249 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5250 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5254 /* [HGM] logic here is completely changed. In stead of full positions */
5255 /* the initialized data only consist of the two backranks. The switch */
5256 /* selects which one we will use, which is than copied to the Board */
5257 /* initialPosition, which for the rest is initialized by Pawns and */
5258 /* empty squares. This initial position is then copied to boards[0], */
5259 /* possibly after shuffling, so that it remains available. */
5261 gameInfo.holdingsWidth = 0; /* default board sizes */
5262 gameInfo.boardWidth = 8;
5263 gameInfo.boardHeight = 8;
5264 gameInfo.holdingsSize = 0;
5265 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5266 for(i=0; i<BOARD_FILES-2; i++)
5267 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5268 initialPosition[EP_STATUS] = EP_NONE;
5269 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5270 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5271 SetCharTable(pieceNickName, appData.pieceNickNames);
5272 else SetCharTable(pieceNickName, "............");
5274 switch (gameInfo.variant) {
5275 case VariantFischeRandom:
5276 shuffleOpenings = TRUE;
5280 case VariantShatranj:
5281 pieces = ShatranjArray;
5282 nrCastlingRights = 0;
5283 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5286 pieces = makrukArray;
5287 nrCastlingRights = 0;
5288 startedFromSetupPosition = TRUE;
5289 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5291 case VariantTwoKings:
5292 pieces = twoKingsArray;
5294 case VariantCapaRandom:
5295 shuffleOpenings = TRUE;
5296 case VariantCapablanca:
5297 pieces = CapablancaArray;
5298 gameInfo.boardWidth = 10;
5299 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5302 pieces = GothicArray;
5303 gameInfo.boardWidth = 10;
5304 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5307 pieces = JanusArray;
5308 gameInfo.boardWidth = 10;
5309 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5310 nrCastlingRights = 6;
5311 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5312 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5313 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5314 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5315 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5316 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5319 pieces = FalconArray;
5320 gameInfo.boardWidth = 10;
5321 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5323 case VariantXiangqi:
5324 pieces = XiangqiArray;
5325 gameInfo.boardWidth = 9;
5326 gameInfo.boardHeight = 10;
5327 nrCastlingRights = 0;
5328 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5331 pieces = ShogiArray;
5332 gameInfo.boardWidth = 9;
5333 gameInfo.boardHeight = 9;
5334 gameInfo.holdingsSize = 7;
5335 nrCastlingRights = 0;
5336 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5338 case VariantCourier:
5339 pieces = CourierArray;
5340 gameInfo.boardWidth = 12;
5341 nrCastlingRights = 0;
5342 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5344 case VariantKnightmate:
5345 pieces = KnightmateArray;
5346 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5349 pieces = fairyArray;
5350 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5353 pieces = GreatArray;
5354 gameInfo.boardWidth = 10;
5355 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5356 gameInfo.holdingsSize = 8;
5360 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5361 gameInfo.holdingsSize = 8;
5362 startedFromSetupPosition = TRUE;
5364 case VariantCrazyhouse:
5365 case VariantBughouse:
5367 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5368 gameInfo.holdingsSize = 5;
5370 case VariantWildCastle:
5372 /* !!?shuffle with kings guaranteed to be on d or e file */
5373 shuffleOpenings = 1;
5375 case VariantNoCastle:
5377 nrCastlingRights = 0;
5378 /* !!?unconstrained back-rank shuffle */
5379 shuffleOpenings = 1;
5384 if(appData.NrFiles >= 0) {
5385 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5386 gameInfo.boardWidth = appData.NrFiles;
5388 if(appData.NrRanks >= 0) {
5389 gameInfo.boardHeight = appData.NrRanks;
5391 if(appData.holdingsSize >= 0) {
5392 i = appData.holdingsSize;
5393 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5394 gameInfo.holdingsSize = i;
5396 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5397 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5398 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5400 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5401 if(pawnRow < 1) pawnRow = 1;
5402 if(gameInfo.variant == VariantMakruk) pawnRow = 2;
5404 /* User pieceToChar list overrules defaults */
5405 if(appData.pieceToCharTable != NULL)
5406 SetCharTable(pieceToChar, appData.pieceToCharTable);
5408 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5410 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5411 s = (ChessSquare) 0; /* account holding counts in guard band */
5412 for( i=0; i<BOARD_HEIGHT; i++ )
5413 initialPosition[i][j] = s;
5415 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5416 initialPosition[0][j] = pieces[0][j-gameInfo.holdingsWidth];
5417 initialPosition[pawnRow][j] = WhitePawn;
5418 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = BlackPawn;
5419 if(gameInfo.variant == VariantXiangqi) {
5421 initialPosition[pawnRow][j] =
5422 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5423 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5424 initialPosition[2][j] = WhiteCannon;
5425 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5429 initialPosition[BOARD_HEIGHT-1][j] = pieces[1][j-gameInfo.holdingsWidth];
5431 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5434 initialPosition[1][j] = WhiteBishop;
5435 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5437 initialPosition[1][j] = WhiteRook;
5438 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5441 if( nrCastlingRights == -1) {
5442 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5443 /* This sets default castling rights from none to normal corners */
5444 /* Variants with other castling rights must set them themselves above */
5445 nrCastlingRights = 6;
5447 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5448 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5449 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5450 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5451 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5452 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5455 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5456 if(gameInfo.variant == VariantGreat) { // promotion commoners
5457 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5458 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5459 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5460 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5462 if (appData.debugMode) {
5463 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5465 if(shuffleOpenings) {
5466 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5467 startedFromSetupPosition = TRUE;
5469 if(startedFromPositionFile) {
5470 /* [HGM] loadPos: use PositionFile for every new game */
5471 CopyBoard(initialPosition, filePosition);
5472 for(i=0; i<nrCastlingRights; i++)
5473 initialRights[i] = filePosition[CASTLING][i];
5474 startedFromSetupPosition = TRUE;
5477 CopyBoard(boards[0], initialPosition);
5479 if(oldx != gameInfo.boardWidth ||
5480 oldy != gameInfo.boardHeight ||
5481 oldh != gameInfo.holdingsWidth
5483 || oldv == VariantGothic || // For licensing popups
5484 gameInfo.variant == VariantGothic
5487 || oldv == VariantFalcon ||
5488 gameInfo.variant == VariantFalcon
5491 InitDrawingSizes(-2 ,0);
5494 DrawPosition(TRUE, boards[currentMove]);
5498 SendBoard(cps, moveNum)
5499 ChessProgramState *cps;
5502 char message[MSG_SIZ];
5504 if (cps->useSetboard) {
5505 char* fen = PositionToFEN(moveNum, cps->fenOverride);
5506 sprintf(message, "setboard %s\n", fen);
5507 SendToProgram(message, cps);
5513 /* Kludge to set black to move, avoiding the troublesome and now
5514 * deprecated "black" command.
5516 if (!WhiteOnMove(moveNum)) SendToProgram("a2a3\n", cps);
5518 SendToProgram("edit\n", cps);
5519 SendToProgram("#\n", cps);
5520 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5521 bp = &boards[moveNum][i][BOARD_LEFT];
5522 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5523 if ((int) *bp < (int) BlackPawn) {
5524 sprintf(message, "%c%c%c\n", PieceToChar(*bp),
5526 if(message[0] == '+' || message[0] == '~') {
5527 sprintf(message, "%c%c%c+\n",
5528 PieceToChar((ChessSquare)(DEMOTED *bp)),
5531 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5532 message[1] = BOARD_RGHT - 1 - j + '1';
5533 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5535 SendToProgram(message, cps);
5540 SendToProgram("c\n", cps);
5541 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5542 bp = &boards[moveNum][i][BOARD_LEFT];
5543 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5544 if (((int) *bp != (int) EmptySquare)
5545 && ((int) *bp >= (int) BlackPawn)) {
5546 sprintf(message, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
5548 if(message[0] == '+' || message[0] == '~') {
5549 sprintf(message, "%c%c%c+\n",
5550 PieceToChar((ChessSquare)(DEMOTED *bp)),
5553 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5554 message[1] = BOARD_RGHT - 1 - j + '1';
5555 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5557 SendToProgram(message, cps);
5562 SendToProgram(".\n", cps);
5564 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
5567 static int autoQueen; // [HGM] oneclick
5570 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice)
5572 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
5573 /* [HGM] add Shogi promotions */
5574 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
5579 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
5580 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
5582 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
5583 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
5586 piece = boards[currentMove][fromY][fromX];
5587 if(gameInfo.variant == VariantShogi) {
5588 promotionZoneSize = 3;
5589 highestPromotingPiece = (int)WhiteFerz;
5590 } else if(gameInfo.variant == VariantMakruk) {
5591 promotionZoneSize = 3;
5594 // next weed out all moves that do not touch the promotion zone at all
5595 if((int)piece >= BlackPawn) {
5596 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
5598 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
5600 if( toY < BOARD_HEIGHT - promotionZoneSize &&
5601 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
5604 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
5606 // weed out mandatory Shogi promotions
5607 if(gameInfo.variant == VariantShogi) {
5608 if(piece >= BlackPawn) {
5609 if(toY == 0 && piece == BlackPawn ||
5610 toY == 0 && piece == BlackQueen ||
5611 toY <= 1 && piece == BlackKnight) {
5616 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
5617 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
5618 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
5625 // weed out obviously illegal Pawn moves
5626 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
5627 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
5628 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
5629 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
5630 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
5631 // note we are not allowed to test for valid (non-)capture, due to premove
5634 // we either have a choice what to promote to, or (in Shogi) whether to promote
5635 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
5636 *promoChoice = PieceToChar(BlackFerz); // no choice
5639 if(autoQueen) { // predetermined
5640 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantLosers)
5641 *promoChoice = PieceToChar(BlackKing); // in Suicide Q is the last thing we want
5642 else *promoChoice = PieceToChar(BlackQueen);
5646 // suppress promotion popup on illegal moves that are not premoves
5647 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
5648 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
5649 if(appData.testLegality && !premove) {
5650 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5651 fromY, fromX, toY, toX, NULLCHAR);
5652 if(moveType != WhitePromotionQueen && moveType != BlackPromotionQueen &&
5653 moveType != WhitePromotionKnight && moveType != BlackPromotionKnight)
5661 InPalace(row, column)
5663 { /* [HGM] for Xiangqi */
5664 if( (row < 3 || row > BOARD_HEIGHT-4) &&
5665 column < (BOARD_WIDTH + 4)/2 &&
5666 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
5671 PieceForSquare (x, y)
5675 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
5678 return boards[currentMove][y][x];
5682 OKToStartUserMove(x, y)
5685 ChessSquare from_piece;
5688 if (matchMode) return FALSE;
5689 if (gameMode == EditPosition) return TRUE;
5691 if (x >= 0 && y >= 0)
5692 from_piece = boards[currentMove][y][x];
5694 from_piece = EmptySquare;
5696 if (from_piece == EmptySquare) return FALSE;
5698 white_piece = (int)from_piece >= (int)WhitePawn &&
5699 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
5702 case PlayFromGameFile:
5704 case TwoMachinesPlay:
5712 case MachinePlaysWhite:
5713 case IcsPlayingBlack:
5714 if (appData.zippyPlay) return FALSE;
5716 DisplayMoveError(_("You are playing Black"));
5721 case MachinePlaysBlack:
5722 case IcsPlayingWhite:
5723 if (appData.zippyPlay) return FALSE;
5725 DisplayMoveError(_("You are playing White"));
5731 if (!white_piece && WhiteOnMove(currentMove)) {
5732 DisplayMoveError(_("It is White's turn"));
5735 if (white_piece && !WhiteOnMove(currentMove)) {
5736 DisplayMoveError(_("It is Black's turn"));
5739 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
5740 /* Editing correspondence game history */
5741 /* Could disallow this or prompt for confirmation */
5746 case BeginningOfGame:
5747 if (appData.icsActive) return FALSE;
5748 if (!appData.noChessProgram) {
5750 DisplayMoveError(_("You are playing White"));
5757 if (!white_piece && WhiteOnMove(currentMove)) {
5758 DisplayMoveError(_("It is White's turn"));
5761 if (white_piece && !WhiteOnMove(currentMove)) {
5762 DisplayMoveError(_("It is Black's turn"));
5771 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
5772 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
5773 && gameMode != AnalyzeFile && gameMode != Training) {
5774 DisplayMoveError(_("Displayed position is not current"));
5781 OnlyMove(int *x, int *y, Boolean captures) {
5782 DisambiguateClosure cl;
5783 if (appData.zippyPlay) return FALSE;
5785 case MachinePlaysBlack:
5786 case IcsPlayingWhite:
5787 case BeginningOfGame:
5788 if(!WhiteOnMove(currentMove)) return FALSE;
5790 case MachinePlaysWhite:
5791 case IcsPlayingBlack:
5792 if(WhiteOnMove(currentMove)) return FALSE;
5797 cl.pieceIn = EmptySquare;
5802 cl.promoCharIn = NULLCHAR;
5803 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5804 if( cl.kind == NormalMove ||
5805 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5806 cl.kind == WhitePromotionQueen || cl.kind == BlackPromotionQueen ||
5807 cl.kind == WhitePromotionKnight || cl.kind == BlackPromotionKnight ||
5808 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5815 if(cl.kind != ImpossibleMove) return FALSE;
5816 cl.pieceIn = EmptySquare;
5821 cl.promoCharIn = NULLCHAR;
5822 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5823 if( cl.kind == NormalMove ||
5824 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5825 cl.kind == WhitePromotionQueen || cl.kind == BlackPromotionQueen ||
5826 cl.kind == WhitePromotionKnight || cl.kind == BlackPromotionKnight ||
5827 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5832 autoQueen = TRUE; // act as if autoQueen on when we click to-square
5838 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
5839 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
5840 int lastLoadGameUseList = FALSE;
5841 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
5842 ChessMove lastLoadGameStart = (ChessMove) 0;
5845 UserMoveTest(fromX, fromY, toX, toY, promoChar, captureOwn)
5846 int fromX, fromY, toX, toY;
5851 ChessSquare pdown, pup;
5853 /* Check if the user is playing in turn. This is complicated because we
5854 let the user "pick up" a piece before it is his turn. So the piece he
5855 tried to pick up may have been captured by the time he puts it down!
5856 Therefore we use the color the user is supposed to be playing in this
5857 test, not the color of the piece that is currently on the starting
5858 square---except in EditGame mode, where the user is playing both
5859 sides; fortunately there the capture race can't happen. (It can
5860 now happen in IcsExamining mode, but that's just too bad. The user
5861 will get a somewhat confusing message in that case.)
5865 case PlayFromGameFile:
5867 case TwoMachinesPlay:
5871 /* We switched into a game mode where moves are not accepted,
5872 perhaps while the mouse button was down. */
5873 return ImpossibleMove;
5875 case MachinePlaysWhite:
5876 /* User is moving for Black */
5877 if (WhiteOnMove(currentMove)) {
5878 DisplayMoveError(_("It is White's turn"));
5879 return ImpossibleMove;
5883 case MachinePlaysBlack:
5884 /* User is moving for White */
5885 if (!WhiteOnMove(currentMove)) {
5886 DisplayMoveError(_("It is Black's turn"));
5887 return ImpossibleMove;
5893 case BeginningOfGame:
5896 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
5897 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
5898 /* User is moving for Black */
5899 if (WhiteOnMove(currentMove)) {
5900 DisplayMoveError(_("It is White's turn"));
5901 return ImpossibleMove;
5904 /* User is moving for White */
5905 if (!WhiteOnMove(currentMove)) {
5906 DisplayMoveError(_("It is Black's turn"));
5907 return ImpossibleMove;
5912 case IcsPlayingBlack:
5913 /* User is moving for Black */
5914 if (WhiteOnMove(currentMove)) {
5915 if (!appData.premove) {
5916 DisplayMoveError(_("It is White's turn"));
5917 } else if (toX >= 0 && toY >= 0) {
5920 premoveFromX = fromX;
5921 premoveFromY = fromY;
5922 premovePromoChar = promoChar;
5924 if (appData.debugMode)
5925 fprintf(debugFP, "Got premove: fromX %d,"
5926 "fromY %d, toX %d, toY %d\n",
5927 fromX, fromY, toX, toY);
5929 return ImpossibleMove;
5933 case IcsPlayingWhite:
5934 /* User is moving for White */
5935 if (!WhiteOnMove(currentMove)) {
5936 if (!appData.premove) {
5937 DisplayMoveError(_("It is Black's turn"));
5938 } else if (toX >= 0 && toY >= 0) {
5941 premoveFromX = fromX;
5942 premoveFromY = fromY;
5943 premovePromoChar = promoChar;
5945 if (appData.debugMode)
5946 fprintf(debugFP, "Got premove: fromX %d,"
5947 "fromY %d, toX %d, toY %d\n",
5948 fromX, fromY, toX, toY);
5950 return ImpossibleMove;
5958 /* EditPosition, empty square, or different color piece;
5959 click-click move is possible */
5960 if (toX == -2 || toY == -2) {
5961 boards[0][fromY][fromX] = EmptySquare;
5962 return AmbiguousMove;
5963 } else if (toX >= 0 && toY >= 0) {
5964 boards[0][toY][toX] = boards[0][fromY][fromX];
5965 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
5966 if(boards[0][fromY][0] != EmptySquare) {
5967 if(boards[0][fromY][1]) boards[0][fromY][1]--;
5968 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
5971 if(fromX == BOARD_RGHT+1) {
5972 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
5973 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
5974 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
5977 boards[0][fromY][fromX] = EmptySquare;
5978 return AmbiguousMove;
5980 return ImpossibleMove;
5983 if(toX < 0 || toY < 0) return ImpossibleMove;
5984 pdown = boards[currentMove][fromY][fromX];
5985 pup = boards[currentMove][toY][toX];
5987 /* [HGM] If move started in holdings, it means a drop */
5988 if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) {
5989 if( pup != EmptySquare ) return ImpossibleMove;
5990 if(appData.testLegality) {
5991 /* it would be more logical if LegalityTest() also figured out
5992 * which drops are legal. For now we forbid pawns on back rank.
5993 * Shogi is on its own here...
5995 if( (pdown == WhitePawn || pdown == BlackPawn) &&
5996 (toY == 0 || toY == BOARD_HEIGHT -1 ) )
5997 return(ImpossibleMove); /* no pawn drops on 1st/8th */
5999 return WhiteDrop; /* Not needed to specify white or black yet */
6002 /* [HGM] always test for legality, to get promotion info */
6003 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6004 fromY, fromX, toY, toX, promoChar);
6005 /* [HGM] but possibly ignore an IllegalMove result */
6006 if (appData.testLegality) {
6007 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6008 DisplayMoveError(_("Illegal move"));
6009 return ImpossibleMove;
6014 /* [HGM] <popupFix> in stead of calling FinishMove directly, this
6015 function is made into one that returns an OK move type if FinishMove
6016 should be called. This to give the calling driver routine the
6017 opportunity to finish the userMove input with a promotion popup,
6018 without bothering the user with this for invalid or illegal moves */
6020 /* FinishMove(moveType, fromX, fromY, toX, toY, promoChar); */
6023 /* Common tail of UserMoveEvent and DropMenuEvent */
6025 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
6027 int fromX, fromY, toX, toY;
6028 /*char*/int promoChar;
6032 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR) {
6033 // [HGM] superchess: suppress promotions to non-available piece
6034 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6035 if(WhiteOnMove(currentMove)) {
6036 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6038 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6042 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6043 move type in caller when we know the move is a legal promotion */
6044 if(moveType == NormalMove && promoChar)
6045 moveType = PromoCharToMoveType(WhiteOnMove(currentMove), promoChar);
6047 /* [HGM] convert drag-and-drop piece drops to standard form */
6048 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ){
6049 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6050 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6051 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6052 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6053 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6054 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6055 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6059 /* [HGM] <popupFix> The following if has been moved here from
6060 UserMoveEvent(). Because it seemed to belong here (why not allow
6061 piece drops in training games?), and because it can only be
6062 performed after it is known to what we promote. */
6063 if (gameMode == Training) {
6064 /* compare the move played on the board to the next move in the
6065 * game. If they match, display the move and the opponent's response.
6066 * If they don't match, display an error message.
6070 CopyBoard(testBoard, boards[currentMove]);
6071 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6073 if (CompareBoards(testBoard, boards[currentMove+1])) {
6074 ForwardInner(currentMove+1);
6076 /* Autoplay the opponent's response.
6077 * if appData.animate was TRUE when Training mode was entered,
6078 * the response will be animated.
6080 saveAnimate = appData.animate;
6081 appData.animate = animateTraining;
6082 ForwardInner(currentMove+1);
6083 appData.animate = saveAnimate;
6085 /* check for the end of the game */
6086 if (currentMove >= forwardMostMove) {
6087 gameMode = PlayFromGameFile;
6089 SetTrainingModeOff();
6090 DisplayInformation(_("End of game"));
6093 DisplayError(_("Incorrect move"), 0);
6098 /* Ok, now we know that the move is good, so we can kill
6099 the previous line in Analysis Mode */
6100 if ((gameMode == AnalyzeMode || gameMode == EditGame)
6101 && currentMove < forwardMostMove) {
6102 PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6105 /* If we need the chess program but it's dead, restart it */
6106 ResurrectChessProgram();
6108 /* A user move restarts a paused game*/
6112 thinkOutput[0] = NULLCHAR;
6114 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6116 if(Adjudicate(NULL)) return 1; // [HGM] adjudicate: take care of automtic game end
6118 if (gameMode == BeginningOfGame) {
6119 if (appData.noChessProgram) {
6120 gameMode = EditGame;
6124 gameMode = MachinePlaysBlack;
6127 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
6129 if (first.sendName) {
6130 sprintf(buf, "name %s\n", gameInfo.white);
6131 SendToProgram(buf, &first);
6138 /* Relay move to ICS or chess engine */
6139 if (appData.icsActive) {
6140 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6141 gameMode == IcsExamining) {
6142 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6143 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6145 SendMoveToICS(moveType, fromX, fromY, toX, toY);
6147 // also send plain move, in case ICS does not understand atomic claims
6148 SendMoveToICS(moveType, fromX, fromY, toX, toY);
6152 if (first.sendTime && (gameMode == BeginningOfGame ||
6153 gameMode == MachinePlaysWhite ||
6154 gameMode == MachinePlaysBlack)) {
6155 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6157 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6158 // [HGM] book: if program might be playing, let it use book
6159 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6160 first.maybeThinking = TRUE;
6161 } else SendMoveToProgram(forwardMostMove-1, &first);
6162 if (currentMove == cmailOldMove + 1) {
6163 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6167 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6171 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6177 if (WhiteOnMove(currentMove)) {
6178 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6180 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6184 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6189 case MachinePlaysBlack:
6190 case MachinePlaysWhite:
6191 /* disable certain menu options while machine is thinking */
6192 SetMachineThinkingEnables();
6199 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6201 if(bookHit) { // [HGM] book: simulate book reply
6202 static char bookMove[MSG_SIZ]; // a bit generous?
6204 programStats.nodes = programStats.depth = programStats.time =
6205 programStats.score = programStats.got_only_move = 0;
6206 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6208 strcpy(bookMove, "move ");
6209 strcat(bookMove, bookHit);
6210 HandleMachineMove(bookMove, &first);
6216 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
6217 int fromX, fromY, toX, toY;
6220 /* [HGM] This routine was added to allow calling of its two logical
6221 parts from other modules in the old way. Before, UserMoveEvent()
6222 automatically called FinishMove() if the move was OK, and returned
6223 otherwise. I separated the two, in order to make it possible to
6224 slip a promotion popup in between. But that it always needs two
6225 calls, to the first part, (now called UserMoveTest() ), and to
6226 FinishMove if the first part succeeded. Calls that do not need
6227 to do anything in between, can call this routine the old way.
6229 ChessMove moveType = UserMoveTest(fromX, fromY, toX, toY, promoChar, FALSE);
6230 if(appData.debugMode) fprintf(debugFP, "moveType 4 = %d, promochar = %x\n", moveType, promoChar);
6231 if(moveType == AmbiguousMove)
6232 DrawPosition(FALSE, boards[currentMove]);
6233 else if(moveType != ImpossibleMove && moveType != Comment)
6234 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6238 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6245 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6246 Markers *m = (Markers *) closure;
6247 if(rf == fromY && ff == fromX)
6248 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6249 || kind == WhiteCapturesEnPassant
6250 || kind == BlackCapturesEnPassant);
6251 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6255 MarkTargetSquares(int clear)
6258 if(!appData.markers || !appData.highlightDragging ||
6259 !appData.testLegality || gameMode == EditPosition) return;
6261 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6264 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker);
6265 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6266 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6268 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6271 DrawPosition(TRUE, NULL);
6274 void LeftClick(ClickType clickType, int xPix, int yPix)
6277 Boolean saveAnimate;
6278 static int second = 0, promotionChoice = 0, dragging = 0;
6279 char promoChoice = NULLCHAR;
6281 if(appData.seekGraph && appData.icsActive && loggedOn &&
6282 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6283 SeekGraphClick(clickType, xPix, yPix, 0);
6287 if (clickType == Press) ErrorPopDown();
6288 MarkTargetSquares(1);
6290 x = EventToSquare(xPix, BOARD_WIDTH);
6291 y = EventToSquare(yPix, BOARD_HEIGHT);
6292 if (!flipView && y >= 0) {
6293 y = BOARD_HEIGHT - 1 - y;
6295 if (flipView && x >= 0) {
6296 x = BOARD_WIDTH - 1 - x;
6299 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6300 if(clickType == Release) return; // ignore upclick of click-click destination
6301 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6302 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6303 if(gameInfo.holdingsWidth &&
6304 (WhiteOnMove(currentMove)
6305 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y > 0
6306 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT-1) ) {
6307 // click in right holdings, for determining promotion piece
6308 ChessSquare p = boards[currentMove][y][x];
6309 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6310 if(p != EmptySquare) {
6311 FinishMove(NormalMove, fromX, fromY, toX, toY, ToLower(PieceToChar(p)));
6316 DrawPosition(FALSE, boards[currentMove]);
6320 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6321 if(clickType == Press
6322 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6323 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6324 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6327 autoQueen = appData.alwaysPromoteToQueen;
6330 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE)) {
6331 if (clickType == Press) {
6333 if (OKToStartUserMove(x, y)) {
6337 MarkTargetSquares(0);
6338 DragPieceBegin(xPix, yPix); dragging = 1;
6339 if (appData.highlightDragging) {
6340 SetHighlights(x, y, -1, -1);
6343 } else if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6344 DragPieceEnd(xPix, yPix); dragging = 0;
6345 DrawPosition(FALSE, NULL);
6352 if (clickType == Press && gameMode != EditPosition) {
6357 // ignore off-board to clicks
6358 if(y < 0 || x < 0) return;
6360 /* Check if clicking again on the same color piece */
6361 fromP = boards[currentMove][fromY][fromX];
6362 toP = boards[currentMove][y][x];
6363 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom;
6364 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6365 WhitePawn <= toP && toP <= WhiteKing &&
6366 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6367 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6368 (BlackPawn <= fromP && fromP <= BlackKing &&
6369 BlackPawn <= toP && toP <= BlackKing &&
6370 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6371 !(fromP == BlackKing && toP == BlackRook && frc))) {
6372 /* Clicked again on same color piece -- changed his mind */
6373 second = (x == fromX && y == fromY);
6374 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6375 if (appData.highlightDragging) {
6376 SetHighlights(x, y, -1, -1);
6380 if (OKToStartUserMove(x, y)) {
6382 fromY = y; dragging = 1;
6383 MarkTargetSquares(0);
6384 DragPieceBegin(xPix, yPix);
6389 // ignore clicks on holdings
6390 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6393 if (clickType == Release && x == fromX && y == fromY) {
6394 DragPieceEnd(xPix, yPix); dragging = 0;
6395 if (appData.animateDragging) {
6396 /* Undo animation damage if any */
6397 DrawPosition(FALSE, NULL);
6400 /* Second up/down in same square; just abort move */
6405 ClearPremoveHighlights();
6407 /* First upclick in same square; start click-click mode */
6408 SetHighlights(x, y, -1, -1);
6413 /* we now have a different from- and (possibly off-board) to-square */
6414 /* Completed move */
6417 saveAnimate = appData.animate;
6418 if (clickType == Press) {
6419 /* Finish clickclick move */
6420 if (appData.animate || appData.highlightLastMove) {
6421 SetHighlights(fromX, fromY, toX, toY);
6426 /* Finish drag move */
6427 if (appData.highlightLastMove) {
6428 SetHighlights(fromX, fromY, toX, toY);
6432 DragPieceEnd(xPix, yPix); dragging = 0;
6433 /* Don't animate move and drag both */
6434 appData.animate = FALSE;
6437 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
6438 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
6439 ChessSquare piece = boards[currentMove][fromY][fromX];
6440 if(gameMode == EditPosition && piece != EmptySquare &&
6441 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
6444 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
6445 n = PieceToNumber(piece - (int)BlackPawn);
6446 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
6447 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
6448 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
6450 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
6451 n = PieceToNumber(piece);
6452 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
6453 boards[currentMove][n][BOARD_WIDTH-1] = piece;
6454 boards[currentMove][n][BOARD_WIDTH-2]++;
6456 boards[currentMove][fromY][fromX] = EmptySquare;
6460 DrawPosition(TRUE, boards[currentMove]);
6464 // off-board moves should not be highlighted
6465 if(x < 0 || x < 0) ClearHighlights();
6467 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
6468 SetHighlights(fromX, fromY, toX, toY);
6469 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6470 // [HGM] super: promotion to captured piece selected from holdings
6471 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
6472 promotionChoice = TRUE;
6473 // kludge follows to temporarily execute move on display, without promoting yet
6474 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
6475 boards[currentMove][toY][toX] = p;
6476 DrawPosition(FALSE, boards[currentMove]);
6477 boards[currentMove][fromY][fromX] = p; // take back, but display stays
6478 boards[currentMove][toY][toX] = q;
6479 DisplayMessage("Click in holdings to choose piece", "");
6484 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
6485 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
6486 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
6489 appData.animate = saveAnimate;
6490 if (appData.animate || appData.animateDragging) {
6491 /* Undo animation damage if needed */
6492 DrawPosition(FALSE, NULL);
6496 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
6497 { // front-end-free part taken out of PieceMenuPopup
6498 int whichMenu; int xSqr, ySqr;
6500 if(seekGraphUp) { // [HGM] seekgraph
6501 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
6502 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
6506 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
6507 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
6508 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
6509 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
6510 if(action == Press) {
6511 originalFlip = flipView;
6512 flipView = !flipView; // temporarily flip board to see game from partners perspective
6513 DrawPosition(TRUE, partnerBoard);
6514 DisplayMessage(partnerStatus, "");
6516 } else if(action == Release) {
6517 flipView = originalFlip;
6518 DrawPosition(TRUE, boards[currentMove]);
6524 xSqr = EventToSquare(x, BOARD_WIDTH);
6525 ySqr = EventToSquare(y, BOARD_HEIGHT);
6526 if (action == Release) UnLoadPV(); // [HGM] pv
6527 if (action != Press) return -2; // return code to be ignored
6530 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
\r
6532 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
\r
6533 if (xSqr < 0 || ySqr < 0) return -1;
\r
6534 whichMenu = 0; // edit-position menu
6537 if(!appData.icsEngineAnalyze) return -1;
6538 case IcsPlayingWhite:
6539 case IcsPlayingBlack:
6540 if(!appData.zippyPlay) goto noZip;
6543 case MachinePlaysWhite:
6544 case MachinePlaysBlack:
6545 case TwoMachinesPlay: // [HGM] pv: use for showing PV
6546 if (!appData.dropMenu) {
6548 return 2; // flag front-end to grab mouse events
6550 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
6551 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
6554 if (xSqr < 0 || ySqr < 0) return -1;
6555 if (!appData.dropMenu || appData.testLegality &&
6556 gameInfo.variant != VariantBughouse &&
6557 gameInfo.variant != VariantCrazyhouse) return -1;
6558 whichMenu = 1; // drop menu
6564 if (((*fromX = xSqr) < 0) ||
6565 ((*fromY = ySqr) < 0)) {
6566 *fromX = *fromY = -1;
6570 *fromX = BOARD_WIDTH - 1 - *fromX;
6572 *fromY = BOARD_HEIGHT - 1 - *fromY;
6577 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
6579 // char * hint = lastHint;
6580 FrontEndProgramStats stats;
6582 stats.which = cps == &first ? 0 : 1;
6583 stats.depth = cpstats->depth;
6584 stats.nodes = cpstats->nodes;
6585 stats.score = cpstats->score;
6586 stats.time = cpstats->time;
6587 stats.pv = cpstats->movelist;
6588 stats.hint = lastHint;
6589 stats.an_move_index = 0;
6590 stats.an_move_count = 0;
6592 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
6593 stats.hint = cpstats->move_name;
6594 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
6595 stats.an_move_count = cpstats->nr_moves;
6598 if(stats.pv && stats.pv[0]) strcpy(lastPV[stats.which], stats.pv); // [HGM] pv: remember last PV of each
6600 SetProgramStats( &stats );
6604 Count(Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
6605 { // count all piece types
6607 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
6608 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
6609 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
6612 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
6613 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
6614 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
6615 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
6616 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
6617 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
6622 SufficientDefence(int pCnt[], int side, int nMine, int nHis)
6624 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
6625 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
6627 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
6628 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
6629 if(myPawns == 2 && nMine == 3) // KPP
6630 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
6631 if(myPawns == 1 && nMine == 2) // KP
6632 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
6633 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
6634 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
6635 if(myPawns) return FALSE;
6636 if(pCnt[WhiteRook+side])
6637 return pCnt[BlackRook-side] ||
6638 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
6639 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
6640 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
6641 if(pCnt[WhiteCannon+side]) {
6642 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
6643 return majorDefense || pCnt[BlackAlfil-side] >= 2;
6645 if(pCnt[WhiteKnight+side])
6646 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
6651 MatingPotential(int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
6653 VariantClass v = gameInfo.variant;
6655 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
6656 if(v == VariantShatranj) return TRUE; // always winnable through baring
6657 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
6658 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
6660 if(v == VariantXiangqi) {
6661 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
6663 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
6664 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
6665 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
6666 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
6667 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
6668 if(stale) // we have at least one last-rank P plus perhaps C
6669 return majors // KPKX
6670 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
6672 return pCnt[WhiteFerz+side] // KCAK
6673 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
6674 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
6675 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
6677 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
6678 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
6680 if(nMine == 1) return FALSE; // bare King
6681 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
6682 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
6683 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
6684 // by now we have King + 1 piece (or multiple Bishops on the same color)
6685 if(pCnt[WhiteKnight+side])
6686 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
6687 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
6688 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
6690 return (pCnt[BlackKnight-side]); // KBKN, KFKN
6691 if(pCnt[WhiteAlfil+side])
6692 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
6693 if(pCnt[WhiteWazir+side])
6694 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
6701 Adjudicate(ChessProgramState *cps)
6702 { // [HGM] some adjudications useful with buggy engines
6703 // [HGM] adjudicate: made into separate routine, which now can be called after every move
6704 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
6705 // Actually ending the game is now based on the additional internal condition canAdjudicate.
6706 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
6707 int k, count = 0; static int bare = 1;
6708 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
6709 Boolean canAdjudicate = !appData.icsActive;
6711 // most tests only when we understand the game, i.e. legality-checking on, and (for the time being) no piece drops
6712 if(gameInfo.holdingsSize == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6713 if( appData.testLegality )
6714 { /* [HGM] Some more adjudications for obstinate engines */
6715 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
6716 static int moveCount = 6;
6718 char *reason = NULL;
6720 /* Count what is on board. */
6721 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
6723 /* Some material-based adjudications that have to be made before stalemate test */
6724 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
6725 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
6726 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
6727 if(canAdjudicate && appData.checkMates) {
6729 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6730 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6731 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
6732 "Xboard adjudication: King destroyed", GE_XBOARD );
6737 /* Bare King in Shatranj (loses) or Losers (wins) */
6738 if( nrW == 1 || nrB == 1) {
6739 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
6740 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
6741 if(canAdjudicate && appData.checkMates) {
6743 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
6744 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6745 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6746 "Xboard adjudication: Bare king", GE_XBOARD );
6750 if( gameInfo.variant == VariantShatranj && --bare < 0)
6752 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
6753 if(canAdjudicate && appData.checkMates) {
6754 /* but only adjudicate if adjudication enabled */
6756 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6757 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6758 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
6759 "Xboard adjudication: Bare king", GE_XBOARD );
6766 // don't wait for engine to announce game end if we can judge ourselves
6767 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
6769 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
6770 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
6771 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
6772 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
6775 reason = "Xboard adjudication: 3rd check";
6776 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
6786 reason = "Xboard adjudication: Stalemate";
6787 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
6788 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
6789 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
6790 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
6791 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
6792 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
6793 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
6794 EP_CHECKMATE : EP_WINS);
6795 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
6796 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
6800 reason = "Xboard adjudication: Checkmate";
6801 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
6805 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
6807 result = GameIsDrawn; break;
6809 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
6811 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
6813 result = (ChessMove) 0;
6815 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
6817 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6818 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6819 GameEnds( result, reason, GE_XBOARD );
6823 /* Next absolutely insufficient mating material. */
6824 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
6825 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
6826 { /* includes KBK, KNK, KK of KBKB with like Bishops */
6828 /* always flag draws, for judging claims */
6829 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
6831 if(canAdjudicate && appData.materialDraws) {
6832 /* but only adjudicate them if adjudication enabled */
6833 if(engineOpponent) {
6834 SendToProgram("force\n", engineOpponent); // suppress reply
6835 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
6837 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6838 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
6843 /* Then some trivial draws (only adjudicate, cannot be claimed) */
6844 if(gameInfo.variant == VariantXiangqi ?
6845 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
6847 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
6848 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
6849 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
6850 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
6852 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
6853 { /* if the first 3 moves do not show a tactical win, declare draw */
6854 if(engineOpponent) {
6855 SendToProgram("force\n", engineOpponent); // suppress reply
6856 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6858 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6859 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
6862 } else moveCount = 6;
6866 if (appData.debugMode) { int i;
6867 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
6868 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
6869 appData.drawRepeats);
6870 for( i=forwardMostMove; i>=backwardMostMove; i-- )
6871 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
6875 // Repetition draws and 50-move rule can be applied independently of legality testing
6877 /* Check for rep-draws */
6879 for(k = forwardMostMove-2;
6880 k>=backwardMostMove && k>=forwardMostMove-100 &&
6881 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
6882 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
6885 if(CompareBoards(boards[k], boards[forwardMostMove])) {
6886 /* compare castling rights */
6887 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
6888 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
6889 rights++; /* King lost rights, while rook still had them */
6890 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
6891 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
6892 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
6893 rights++; /* but at least one rook lost them */
6895 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
6896 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
6898 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
6899 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
6900 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
6903 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
6904 && appData.drawRepeats > 1) {
6905 /* adjudicate after user-specified nr of repeats */
6906 int result = GameIsDrawn;
6907 char *details = "XBoard adjudication: repetition draw";
6908 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
6909 // [HGM] xiangqi: check for forbidden perpetuals
6910 int m, ourPerpetual = 1, hisPerpetual = 1;
6911 for(m=forwardMostMove; m>k; m-=2) {
6912 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
6913 ourPerpetual = 0; // the current mover did not always check
6914 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
6915 hisPerpetual = 0; // the opponent did not always check
6917 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
6918 ourPerpetual, hisPerpetual);
6919 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
6920 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
6921 details = "Xboard adjudication: perpetual checking";
6923 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
6924 break; // (or we would have caught him before). Abort repetition-checking loop.
6926 // Now check for perpetual chases
6927 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
6928 hisPerpetual = PerpetualChase(k, forwardMostMove);
6929 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
6930 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
6931 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
6932 details = "Xboard adjudication: perpetual chasing";
6934 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
6935 break; // Abort repetition-checking loop.
6937 // if neither of us is checking or chasing all the time, or both are, it is draw
6939 if(engineOpponent) {
6940 SendToProgram("force\n", engineOpponent); // suppress reply
6941 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6943 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6944 GameEnds( result, details, GE_XBOARD );
6947 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
6948 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
6952 /* Now we test for 50-move draws. Determine ply count */
6953 count = forwardMostMove;
6954 /* look for last irreversble move */
6955 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
6957 /* if we hit starting position, add initial plies */
6958 if( count == backwardMostMove )
6959 count -= initialRulePlies;
6960 count = forwardMostMove - count;
6961 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
6962 // adjust reversible move counter for checks in Xiangqi
6963 int i = forwardMostMove - count, inCheck = 0, lastCheck;
6964 if(i < backwardMostMove) i = backwardMostMove;
6965 while(i <= forwardMostMove) {
6966 lastCheck = inCheck; // check evasion does not count
6967 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
6968 if(inCheck || lastCheck) count--; // check does not count
6973 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
6974 /* this is used to judge if draw claims are legal */
6975 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
6976 if(engineOpponent) {
6977 SendToProgram("force\n", engineOpponent); // suppress reply
6978 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6980 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6981 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
6985 /* if draw offer is pending, treat it as a draw claim
6986 * when draw condition present, to allow engines a way to
6987 * claim draws before making their move to avoid a race
6988 * condition occurring after their move
6990 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
6992 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
6993 p = "Draw claim: 50-move rule";
6994 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
6995 p = "Draw claim: 3-fold repetition";
6996 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
6997 p = "Draw claim: insufficient mating material";
6998 if( p != NULL && canAdjudicate) {
6999 if(engineOpponent) {
7000 SendToProgram("force\n", engineOpponent); // suppress reply
7001 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7003 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7004 GameEnds( GameIsDrawn, p, GE_XBOARD );
7009 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7010 if(engineOpponent) {
7011 SendToProgram("force\n", engineOpponent); // suppress reply
7012 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7014 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7015 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7021 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
7022 { // [HGM] book: this routine intercepts moves to simulate book replies
7023 char *bookHit = NULL;
7025 //first determine if the incoming move brings opponent into his book
7026 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7027 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7028 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7029 if(bookHit != NULL && !cps->bookSuspend) {
7030 // make sure opponent is not going to reply after receiving move to book position
7031 SendToProgram("force\n", cps);
7032 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7034 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7035 // now arrange restart after book miss
7037 // after a book hit we never send 'go', and the code after the call to this routine
7038 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7040 sprintf(buf, "%s%s\n", (cps->useUsermove ? "usermove " : ""), bookHit); // force book move into program supposed to play it
7041 SendToProgram(buf, cps);
7042 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7043 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7044 SendToProgram("go\n", cps);
7045 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7046 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7047 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7048 SendToProgram("go\n", cps);
7049 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7051 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7055 ChessProgramState *savedState;
7056 void DeferredBookMove(void)
7058 if(savedState->lastPing != savedState->lastPong)
7059 ScheduleDelayedEvent(DeferredBookMove, 10);
7061 HandleMachineMove(savedMessage, savedState);
7065 HandleMachineMove(message, cps)
7067 ChessProgramState *cps;
7069 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7070 char realname[MSG_SIZ];
7071 int fromX, fromY, toX, toY;
7080 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7082 * Kludge to ignore BEL characters
7084 while (*message == '\007') message++;
7087 * [HGM] engine debug message: ignore lines starting with '#' character
7089 if(cps->debug && *message == '#') return;
7092 * Look for book output
7094 if (cps == &first && bookRequested) {
7095 if (message[0] == '\t' || message[0] == ' ') {
7096 /* Part of the book output is here; append it */
7097 strcat(bookOutput, message);
7098 strcat(bookOutput, " \n");
7100 } else if (bookOutput[0] != NULLCHAR) {
7101 /* All of book output has arrived; display it */
7102 char *p = bookOutput;
7103 while (*p != NULLCHAR) {
7104 if (*p == '\t') *p = ' ';
7107 DisplayInformation(bookOutput);
7108 bookRequested = FALSE;
7109 /* Fall through to parse the current output */
7114 * Look for machine move.
7116 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7117 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7119 /* This method is only useful on engines that support ping */
7120 if (cps->lastPing != cps->lastPong) {
7121 if (gameMode == BeginningOfGame) {
7122 /* Extra move from before last new; ignore */
7123 if (appData.debugMode) {
7124 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7127 if (appData.debugMode) {
7128 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7129 cps->which, gameMode);
7132 SendToProgram("undo\n", cps);
7138 case BeginningOfGame:
7139 /* Extra move from before last reset; ignore */
7140 if (appData.debugMode) {
7141 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7148 /* Extra move after we tried to stop. The mode test is
7149 not a reliable way of detecting this problem, but it's
7150 the best we can do on engines that don't support ping.
7152 if (appData.debugMode) {
7153 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7154 cps->which, gameMode);
7156 SendToProgram("undo\n", cps);
7159 case MachinePlaysWhite:
7160 case IcsPlayingWhite:
7161 machineWhite = TRUE;
7164 case MachinePlaysBlack:
7165 case IcsPlayingBlack:
7166 machineWhite = FALSE;
7169 case TwoMachinesPlay:
7170 machineWhite = (cps->twoMachinesColor[0] == 'w');
7173 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7174 if (appData.debugMode) {
7176 "Ignoring move out of turn by %s, gameMode %d"
7177 ", forwardMost %d\n",
7178 cps->which, gameMode, forwardMostMove);
7183 if (appData.debugMode) { int f = forwardMostMove;
7184 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7185 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7186 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7188 if(cps->alphaRank) AlphaRank(machineMove, 4);
7189 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7190 &fromX, &fromY, &toX, &toY, &promoChar)) {
7191 /* Machine move could not be parsed; ignore it. */
7192 sprintf(buf1, _("Illegal move \"%s\" from %s machine"),
7193 machineMove, cps->which);
7194 DisplayError(buf1, 0);
7195 sprintf(buf1, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7196 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7197 if (gameMode == TwoMachinesPlay) {
7198 GameEnds(machineWhite ? BlackWins : WhiteWins,
7204 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7205 /* So we have to redo legality test with true e.p. status here, */
7206 /* to make sure an illegal e.p. capture does not slip through, */
7207 /* to cause a forfeit on a justified illegal-move complaint */
7208 /* of the opponent. */
7209 if( gameMode==TwoMachinesPlay && appData.testLegality
7210 && fromY != DROP_RANK /* [HGM] temporary; should still add legality test for drops */
7213 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7214 fromY, fromX, toY, toX, promoChar);
7215 if (appData.debugMode) {
7217 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7218 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7219 fprintf(debugFP, "castling rights\n");
7221 if(moveType == IllegalMove) {
7222 sprintf(buf1, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7223 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7224 GameEnds(machineWhite ? BlackWins : WhiteWins,
7227 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7228 /* [HGM] Kludge to handle engines that send FRC-style castling
7229 when they shouldn't (like TSCP-Gothic) */
7231 case WhiteASideCastleFR:
7232 case BlackASideCastleFR:
7234 currentMoveString[2]++;
7236 case WhiteHSideCastleFR:
7237 case BlackHSideCastleFR:
7239 currentMoveString[2]--;
7241 default: ; // nothing to do, but suppresses warning of pedantic compilers
7244 hintRequested = FALSE;
7245 lastHint[0] = NULLCHAR;
7246 bookRequested = FALSE;
7247 /* Program may be pondering now */
7248 cps->maybeThinking = TRUE;
7249 if (cps->sendTime == 2) cps->sendTime = 1;
7250 if (cps->offeredDraw) cps->offeredDraw--;
7252 /* currentMoveString is set as a side-effect of ParseOneMove */
7253 strcpy(machineMove, currentMoveString);
7254 strcat(machineMove, "\n");
7255 strcpy(moveList[forwardMostMove], machineMove);
7257 /* [AS] Save move info*/
7258 pvInfoList[ forwardMostMove ].score = programStats.score;
7259 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7260 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7262 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7264 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7265 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7268 while( count < adjudicateLossPlies ) {
7269 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7272 score = -score; /* Flip score for winning side */
7275 if( score > adjudicateLossThreshold ) {
7282 if( count >= adjudicateLossPlies ) {
7283 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7285 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7286 "Xboard adjudication",
7293 if(Adjudicate(cps)) return; // [HGM] adjudicate: for all automatic game ends
7296 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7298 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7299 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7301 SendMoveToICS(moveType, fromX, fromY, toX, toY);
7303 SendMoveToICS(moveType, fromX, fromY, toX, toY);
7305 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
7306 char buf[3*MSG_SIZ];
7308 sprintf(buf, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
7309 programStats.score / 100.,
7311 programStats.time / 100.,
7312 (unsigned int)programStats.nodes,
7313 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
7314 programStats.movelist);
7316 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
7321 /* [AS] Clear stats for next move */
7322 ClearProgramStats();
7323 thinkOutput[0] = NULLCHAR;
7324 hiddenThinkOutputState = 0;
7327 if (gameMode == TwoMachinesPlay) {
7328 /* [HGM] relaying draw offers moved to after reception of move */
7329 /* and interpreting offer as claim if it brings draw condition */
7330 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
7331 SendToProgram("draw\n", cps->other);
7333 if (cps->other->sendTime) {
7334 SendTimeRemaining(cps->other,
7335 cps->other->twoMachinesColor[0] == 'w');
7337 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
7338 if (firstMove && !bookHit) {
7340 if (cps->other->useColors) {
7341 SendToProgram(cps->other->twoMachinesColor, cps->other);
7343 SendToProgram("go\n", cps->other);
7345 cps->other->maybeThinking = TRUE;
7348 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7350 if (!pausing && appData.ringBellAfterMoves) {
7355 * Reenable menu items that were disabled while
7356 * machine was thinking
7358 if (gameMode != TwoMachinesPlay)
7359 SetUserThinkingEnables();
7361 // [HGM] book: after book hit opponent has received move and is now in force mode
7362 // force the book reply into it, and then fake that it outputted this move by jumping
7363 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
7365 static char bookMove[MSG_SIZ]; // a bit generous?
7367 strcpy(bookMove, "move ");
7368 strcat(bookMove, bookHit);
7371 programStats.nodes = programStats.depth = programStats.time =
7372 programStats.score = programStats.got_only_move = 0;
7373 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7375 if(cps->lastPing != cps->lastPong) {
7376 savedMessage = message; // args for deferred call
7378 ScheduleDelayedEvent(DeferredBookMove, 10);
7387 /* Set special modes for chess engines. Later something general
7388 * could be added here; for now there is just one kludge feature,
7389 * needed because Crafty 15.10 and earlier don't ignore SIGINT
7390 * when "xboard" is given as an interactive command.
7392 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
7393 cps->useSigint = FALSE;
7394 cps->useSigterm = FALSE;
7396 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
7397 ParseFeatures(message+8, cps);
7398 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
7401 /* [HGM] Allow engine to set up a position. Don't ask me why one would
7402 * want this, I was asked to put it in, and obliged.
7404 if (!strncmp(message, "setboard ", 9)) {
7405 Board initial_position;
7407 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
7409 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
7410 DisplayError(_("Bad FEN received from engine"), 0);
7414 CopyBoard(boards[0], initial_position);
7415 initialRulePlies = FENrulePlies;
7416 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
7417 else gameMode = MachinePlaysBlack;
7418 DrawPosition(FALSE, boards[currentMove]);
7424 * Look for communication commands
7426 if (!strncmp(message, "telluser ", 9)) {
7427 EscapeExpand(message+9, message+9); // [HGM] esc: allow escape sequences in popup box
7428 DisplayNote(message + 9);
7431 if (!strncmp(message, "tellusererror ", 14)) {
7433 EscapeExpand(message+14, message+14); // [HGM] esc: allow escape sequences in popup box
7434 DisplayError(message + 14, 0);
7437 if (!strncmp(message, "tellopponent ", 13)) {
7438 if (appData.icsActive) {
7440 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
7444 DisplayNote(message + 13);
7448 if (!strncmp(message, "tellothers ", 11)) {
7449 if (appData.icsActive) {
7451 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
7457 if (!strncmp(message, "tellall ", 8)) {
7458 if (appData.icsActive) {
7460 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
7464 DisplayNote(message + 8);
7468 if (strncmp(message, "warning", 7) == 0) {
7469 /* Undocumented feature, use tellusererror in new code */
7470 DisplayError(message, 0);
7473 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
7474 strcpy(realname, cps->tidy);
7475 strcat(realname, " query");
7476 AskQuestion(realname, buf2, buf1, cps->pr);
7479 /* Commands from the engine directly to ICS. We don't allow these to be
7480 * sent until we are logged on. Crafty kibitzes have been known to
7481 * interfere with the login process.
7484 if (!strncmp(message, "tellics ", 8)) {
7485 SendToICS(message + 8);
7489 if (!strncmp(message, "tellicsnoalias ", 15)) {
7490 SendToICS(ics_prefix);
7491 SendToICS(message + 15);
7495 /* The following are for backward compatibility only */
7496 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
7497 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
7498 SendToICS(ics_prefix);
7504 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
7508 * If the move is illegal, cancel it and redraw the board.
7509 * Also deal with other error cases. Matching is rather loose
7510 * here to accommodate engines written before the spec.
7512 if (strncmp(message + 1, "llegal move", 11) == 0 ||
7513 strncmp(message, "Error", 5) == 0) {
7514 if (StrStr(message, "name") ||
7515 StrStr(message, "rating") || StrStr(message, "?") ||
7516 StrStr(message, "result") || StrStr(message, "board") ||
7517 StrStr(message, "bk") || StrStr(message, "computer") ||
7518 StrStr(message, "variant") || StrStr(message, "hint") ||
7519 StrStr(message, "random") || StrStr(message, "depth") ||
7520 StrStr(message, "accepted")) {
7523 if (StrStr(message, "protover")) {
7524 /* Program is responding to input, so it's apparently done
7525 initializing, and this error message indicates it is
7526 protocol version 1. So we don't need to wait any longer
7527 for it to initialize and send feature commands. */
7528 FeatureDone(cps, 1);
7529 cps->protocolVersion = 1;
7532 cps->maybeThinking = FALSE;
7534 if (StrStr(message, "draw")) {
7535 /* Program doesn't have "draw" command */
7536 cps->sendDrawOffers = 0;
7539 if (cps->sendTime != 1 &&
7540 (StrStr(message, "time") || StrStr(message, "otim"))) {
7541 /* Program apparently doesn't have "time" or "otim" command */
7545 if (StrStr(message, "analyze")) {
7546 cps->analysisSupport = FALSE;
7547 cps->analyzing = FALSE;
7549 sprintf(buf2, _("%s does not support analysis"), cps->tidy);
7550 DisplayError(buf2, 0);
7553 if (StrStr(message, "(no matching move)st")) {
7554 /* Special kludge for GNU Chess 4 only */
7555 cps->stKludge = TRUE;
7556 SendTimeControl(cps, movesPerSession, timeControl,
7557 timeIncrement, appData.searchDepth,
7561 if (StrStr(message, "(no matching move)sd")) {
7562 /* Special kludge for GNU Chess 4 only */
7563 cps->sdKludge = TRUE;
7564 SendTimeControl(cps, movesPerSession, timeControl,
7565 timeIncrement, appData.searchDepth,
7569 if (!StrStr(message, "llegal")) {
7572 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7573 gameMode == IcsIdle) return;
7574 if (forwardMostMove <= backwardMostMove) return;
7575 if (pausing) PauseEvent();
7576 if(appData.forceIllegal) {
7577 // [HGM] illegal: machine refused move; force position after move into it
7578 SendToProgram("force\n", cps);
7579 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
7580 // we have a real problem now, as SendBoard will use the a2a3 kludge
7581 // when black is to move, while there might be nothing on a2 or black
7582 // might already have the move. So send the board as if white has the move.
7583 // But first we must change the stm of the engine, as it refused the last move
7584 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
7585 if(WhiteOnMove(forwardMostMove)) {
7586 SendToProgram("a7a6\n", cps); // for the engine black still had the move
7587 SendBoard(cps, forwardMostMove); // kludgeless board
7589 SendToProgram("a2a3\n", cps); // for the engine white still had the move
7590 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7591 SendBoard(cps, forwardMostMove+1); // kludgeless board
7593 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
7594 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
7595 gameMode == TwoMachinesPlay)
7596 SendToProgram("go\n", cps);
7599 if (gameMode == PlayFromGameFile) {
7600 /* Stop reading this game file */
7601 gameMode = EditGame;
7604 currentMove = forwardMostMove-1;
7605 DisplayMove(currentMove-1); /* before DisplayMoveError */
7606 SwitchClocks(forwardMostMove-1); // [HGM] race
7607 DisplayBothClocks();
7608 sprintf(buf1, _("Illegal move \"%s\" (rejected by %s chess program)"),
7609 parseList[currentMove], cps->which);
7610 DisplayMoveError(buf1);
7611 DrawPosition(FALSE, boards[currentMove]);
7613 /* [HGM] illegal-move claim should forfeit game when Xboard */
7614 /* only passes fully legal moves */
7615 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
7616 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
7617 "False illegal-move claim", GE_XBOARD );
7621 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
7622 /* Program has a broken "time" command that
7623 outputs a string not ending in newline.
7629 * If chess program startup fails, exit with an error message.
7630 * Attempts to recover here are futile.
7632 if ((StrStr(message, "unknown host") != NULL)
7633 || (StrStr(message, "No remote directory") != NULL)
7634 || (StrStr(message, "not found") != NULL)
7635 || (StrStr(message, "No such file") != NULL)
7636 || (StrStr(message, "can't alloc") != NULL)
7637 || (StrStr(message, "Permission denied") != NULL)) {
7639 cps->maybeThinking = FALSE;
7640 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
7641 cps->which, cps->program, cps->host, message);
7642 RemoveInputSource(cps->isr);
7643 DisplayFatalError(buf1, 0, 1);
7648 * Look for hint output
7650 if (sscanf(message, "Hint: %s", buf1) == 1) {
7651 if (cps == &first && hintRequested) {
7652 hintRequested = FALSE;
7653 if (ParseOneMove(buf1, forwardMostMove, &moveType,
7654 &fromX, &fromY, &toX, &toY, &promoChar)) {
7655 (void) CoordsToAlgebraic(boards[forwardMostMove],
7656 PosFlags(forwardMostMove),
7657 fromY, fromX, toY, toX, promoChar, buf1);
7658 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
7659 DisplayInformation(buf2);
7661 /* Hint move could not be parsed!? */
7662 snprintf(buf2, sizeof(buf2),
7663 _("Illegal hint move \"%s\"\nfrom %s chess program"),
7665 DisplayError(buf2, 0);
7668 strcpy(lastHint, buf1);
7674 * Ignore other messages if game is not in progress
7676 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7677 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
7680 * look for win, lose, draw, or draw offer
7682 if (strncmp(message, "1-0", 3) == 0) {
7683 char *p, *q, *r = "";
7684 p = strchr(message, '{');
7692 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
7694 } else if (strncmp(message, "0-1", 3) == 0) {
7695 char *p, *q, *r = "";
7696 p = strchr(message, '{');
7704 /* Kludge for Arasan 4.1 bug */
7705 if (strcmp(r, "Black resigns") == 0) {
7706 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
7709 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
7711 } else if (strncmp(message, "1/2", 3) == 0) {
7712 char *p, *q, *r = "";
7713 p = strchr(message, '{');
7722 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
7725 } else if (strncmp(message, "White resign", 12) == 0) {
7726 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7728 } else if (strncmp(message, "Black resign", 12) == 0) {
7729 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7731 } else if (strncmp(message, "White matches", 13) == 0 ||
7732 strncmp(message, "Black matches", 13) == 0 ) {
7733 /* [HGM] ignore GNUShogi noises */
7735 } else if (strncmp(message, "White", 5) == 0 &&
7736 message[5] != '(' &&
7737 StrStr(message, "Black") == NULL) {
7738 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7740 } else if (strncmp(message, "Black", 5) == 0 &&
7741 message[5] != '(') {
7742 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7744 } else if (strcmp(message, "resign") == 0 ||
7745 strcmp(message, "computer resigns") == 0) {
7747 case MachinePlaysBlack:
7748 case IcsPlayingBlack:
7749 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
7751 case MachinePlaysWhite:
7752 case IcsPlayingWhite:
7753 GameEnds(BlackWins, "White resigns", GE_ENGINE);
7755 case TwoMachinesPlay:
7756 if (cps->twoMachinesColor[0] == 'w')
7757 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7759 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7766 } else if (strncmp(message, "opponent mates", 14) == 0) {
7768 case MachinePlaysBlack:
7769 case IcsPlayingBlack:
7770 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7772 case MachinePlaysWhite:
7773 case IcsPlayingWhite:
7774 GameEnds(BlackWins, "Black mates", GE_ENGINE);
7776 case TwoMachinesPlay:
7777 if (cps->twoMachinesColor[0] == 'w')
7778 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7780 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7787 } else if (strncmp(message, "computer mates", 14) == 0) {
7789 case MachinePlaysBlack:
7790 case IcsPlayingBlack:
7791 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
7793 case MachinePlaysWhite:
7794 case IcsPlayingWhite:
7795 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7797 case TwoMachinesPlay:
7798 if (cps->twoMachinesColor[0] == 'w')
7799 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7801 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7808 } else if (strncmp(message, "checkmate", 9) == 0) {
7809 if (WhiteOnMove(forwardMostMove)) {
7810 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7812 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7815 } else if (strstr(message, "Draw") != NULL ||
7816 strstr(message, "game is a draw") != NULL) {
7817 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
7819 } else if (strstr(message, "offer") != NULL &&
7820 strstr(message, "draw") != NULL) {
7822 if (appData.zippyPlay && first.initDone) {
7823 /* Relay offer to ICS */
7824 SendToICS(ics_prefix);
7825 SendToICS("draw\n");
7828 cps->offeredDraw = 2; /* valid until this engine moves twice */
7829 if (gameMode == TwoMachinesPlay) {
7830 if (cps->other->offeredDraw) {
7831 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7832 /* [HGM] in two-machine mode we delay relaying draw offer */
7833 /* until after we also have move, to see if it is really claim */
7835 } else if (gameMode == MachinePlaysWhite ||
7836 gameMode == MachinePlaysBlack) {
7837 if (userOfferedDraw) {
7838 DisplayInformation(_("Machine accepts your draw offer"));
7839 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7841 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
7848 * Look for thinking output
7850 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
7851 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7853 int plylev, mvleft, mvtot, curscore, time;
7854 char mvname[MOVE_LEN];
7858 int prefixHint = FALSE;
7859 mvname[0] = NULLCHAR;
7862 case MachinePlaysBlack:
7863 case IcsPlayingBlack:
7864 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7866 case MachinePlaysWhite:
7867 case IcsPlayingWhite:
7868 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7873 case IcsObserving: /* [DM] icsEngineAnalyze */
7874 if (!appData.icsEngineAnalyze) ignore = TRUE;
7876 case TwoMachinesPlay:
7877 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
7887 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
7889 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7890 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
7892 if (plyext != ' ' && plyext != '\t') {
7896 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7897 if( cps->scoreIsAbsolute &&
7898 ( gameMode == MachinePlaysBlack ||
7899 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
7900 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
7901 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
7902 !WhiteOnMove(currentMove)
7905 curscore = -curscore;
7909 tempStats.depth = plylev;
7910 tempStats.nodes = nodes;
7911 tempStats.time = time;
7912 tempStats.score = curscore;
7913 tempStats.got_only_move = 0;
7915 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
7918 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
7919 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
7920 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
7921 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
7922 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
7923 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
7924 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
7925 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
7928 /* Buffer overflow protection */
7929 if (buf1[0] != NULLCHAR) {
7930 if (strlen(buf1) >= sizeof(tempStats.movelist)
7931 && appData.debugMode) {
7933 "PV is too long; using the first %u bytes.\n",
7934 (unsigned) sizeof(tempStats.movelist) - 1);
7937 safeStrCpy( tempStats.movelist, buf1, sizeof(tempStats.movelist) );
7939 sprintf(tempStats.movelist, " no PV\n");
7942 if (tempStats.seen_stat) {
7943 tempStats.ok_to_send = 1;
7946 if (strchr(tempStats.movelist, '(') != NULL) {
7947 tempStats.line_is_book = 1;
7948 tempStats.nr_moves = 0;
7949 tempStats.moves_left = 0;
7951 tempStats.line_is_book = 0;
7954 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
7955 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
7957 SendProgramStatsToFrontend( cps, &tempStats );
7960 [AS] Protect the thinkOutput buffer from overflow... this
7961 is only useful if buf1 hasn't overflowed first!
7963 sprintf(thinkOutput, "[%d]%c%+.2f %s%s",
7965 (gameMode == TwoMachinesPlay ?
7966 ToUpper(cps->twoMachinesColor[0]) : ' '),
7967 ((double) curscore) / 100.0,
7968 prefixHint ? lastHint : "",
7969 prefixHint ? " " : "" );
7971 if( buf1[0] != NULLCHAR ) {
7972 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
7974 if( strlen(buf1) > max_len ) {
7975 if( appData.debugMode) {
7976 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
7978 buf1[max_len+1] = '\0';
7981 strcat( thinkOutput, buf1 );
7984 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
7985 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7986 DisplayMove(currentMove - 1);
7990 } else if ((p=StrStr(message, "(only move)")) != NULL) {
7991 /* crafty (9.25+) says "(only move) <move>"
7992 * if there is only 1 legal move
7994 sscanf(p, "(only move) %s", buf1);
7995 sprintf(thinkOutput, "%s (only move)", buf1);
7996 sprintf(programStats.movelist, "%s (only move)", buf1);
7997 programStats.depth = 1;
7998 programStats.nr_moves = 1;
7999 programStats.moves_left = 1;
8000 programStats.nodes = 1;
8001 programStats.time = 1;
8002 programStats.got_only_move = 1;
8004 /* Not really, but we also use this member to
8005 mean "line isn't going to change" (Crafty
8006 isn't searching, so stats won't change) */
8007 programStats.line_is_book = 1;
8009 SendProgramStatsToFrontend( cps, &programStats );
8011 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8012 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8013 DisplayMove(currentMove - 1);
8016 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8017 &time, &nodes, &plylev, &mvleft,
8018 &mvtot, mvname) >= 5) {
8019 /* The stat01: line is from Crafty (9.29+) in response
8020 to the "." command */
8021 programStats.seen_stat = 1;
8022 cps->maybeThinking = TRUE;
8024 if (programStats.got_only_move || !appData.periodicUpdates)
8027 programStats.depth = plylev;
8028 programStats.time = time;
8029 programStats.nodes = nodes;
8030 programStats.moves_left = mvleft;
8031 programStats.nr_moves = mvtot;
8032 strcpy(programStats.move_name, mvname);
8033 programStats.ok_to_send = 1;
8034 programStats.movelist[0] = '\0';
8036 SendProgramStatsToFrontend( cps, &programStats );
8040 } else if (strncmp(message,"++",2) == 0) {
8041 /* Crafty 9.29+ outputs this */
8042 programStats.got_fail = 2;
8045 } else if (strncmp(message,"--",2) == 0) {
8046 /* Crafty 9.29+ outputs this */
8047 programStats.got_fail = 1;
8050 } else if (thinkOutput[0] != NULLCHAR &&
8051 strncmp(message, " ", 4) == 0) {
8052 unsigned message_len;
8055 while (*p && *p == ' ') p++;
8057 message_len = strlen( p );
8059 /* [AS] Avoid buffer overflow */
8060 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8061 strcat(thinkOutput, " ");
8062 strcat(thinkOutput, p);
8065 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8066 strcat(programStats.movelist, " ");
8067 strcat(programStats.movelist, p);
8070 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8071 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8072 DisplayMove(currentMove - 1);
8080 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8081 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8083 ChessProgramStats cpstats;
8085 if (plyext != ' ' && plyext != '\t') {
8089 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8090 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8091 curscore = -curscore;
8094 cpstats.depth = plylev;
8095 cpstats.nodes = nodes;
8096 cpstats.time = time;
8097 cpstats.score = curscore;
8098 cpstats.got_only_move = 0;
8099 cpstats.movelist[0] = '\0';
8101 if (buf1[0] != NULLCHAR) {
8102 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist) );
8105 cpstats.ok_to_send = 0;
8106 cpstats.line_is_book = 0;
8107 cpstats.nr_moves = 0;
8108 cpstats.moves_left = 0;
8110 SendProgramStatsToFrontend( cps, &cpstats );
8117 /* Parse a game score from the character string "game", and
8118 record it as the history of the current game. The game
8119 score is NOT assumed to start from the standard position.
8120 The display is not updated in any way.
8123 ParseGameHistory(game)
8127 int fromX, fromY, toX, toY, boardIndex;
8132 if (appData.debugMode)
8133 fprintf(debugFP, "Parsing game history: %s\n", game);
8135 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8136 gameInfo.site = StrSave(appData.icsHost);
8137 gameInfo.date = PGNDate();
8138 gameInfo.round = StrSave("-");
8140 /* Parse out names of players */
8141 while (*game == ' ') game++;
8143 while (*game != ' ') *p++ = *game++;
8145 gameInfo.white = StrSave(buf);
8146 while (*game == ' ') game++;
8148 while (*game != ' ' && *game != '\n') *p++ = *game++;
8150 gameInfo.black = StrSave(buf);
8153 boardIndex = blackPlaysFirst ? 1 : 0;
8156 yyboardindex = boardIndex;
8157 moveType = (ChessMove) yylex();
8159 case IllegalMove: /* maybe suicide chess, etc. */
8160 if (appData.debugMode) {
8161 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8162 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8163 setbuf(debugFP, NULL);
8165 case WhitePromotionChancellor:
8166 case BlackPromotionChancellor:
8167 case WhitePromotionArchbishop:
8168 case BlackPromotionArchbishop:
8169 case WhitePromotionQueen:
8170 case BlackPromotionQueen:
8171 case WhitePromotionRook:
8172 case BlackPromotionRook:
8173 case WhitePromotionBishop:
8174 case BlackPromotionBishop:
8175 case WhitePromotionKnight:
8176 case BlackPromotionKnight:
8177 case WhitePromotionKing:
8178 case BlackPromotionKing:
8179 case WhiteNonPromotion:
8180 case BlackNonPromotion:
8182 case WhiteCapturesEnPassant:
8183 case BlackCapturesEnPassant:
8184 case WhiteKingSideCastle:
8185 case WhiteQueenSideCastle:
8186 case BlackKingSideCastle:
8187 case BlackQueenSideCastle:
8188 case WhiteKingSideCastleWild:
8189 case WhiteQueenSideCastleWild:
8190 case BlackKingSideCastleWild:
8191 case BlackQueenSideCastleWild:
8193 case WhiteHSideCastleFR:
8194 case WhiteASideCastleFR:
8195 case BlackHSideCastleFR:
8196 case BlackASideCastleFR:
8198 fromX = currentMoveString[0] - AAA;
8199 fromY = currentMoveString[1] - ONE;
8200 toX = currentMoveString[2] - AAA;
8201 toY = currentMoveString[3] - ONE;
8202 promoChar = currentMoveString[4];
8206 fromX = moveType == WhiteDrop ?
8207 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8208 (int) CharToPiece(ToLower(currentMoveString[0]));
8210 toX = currentMoveString[2] - AAA;
8211 toY = currentMoveString[3] - ONE;
8212 promoChar = NULLCHAR;
8216 sprintf(buf, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8217 if (appData.debugMode) {
8218 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8219 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8220 setbuf(debugFP, NULL);
8222 DisplayError(buf, 0);
8224 case ImpossibleMove:
8226 sprintf(buf, _("Illegal move in ICS output: \"%s\""), yy_text);
8227 if (appData.debugMode) {
8228 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8229 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8230 setbuf(debugFP, NULL);
8232 DisplayError(buf, 0);
8234 case (ChessMove) 0: /* end of file */
8235 if (boardIndex < backwardMostMove) {
8236 /* Oops, gap. How did that happen? */
8237 DisplayError(_("Gap in move list"), 0);
8240 backwardMostMove = blackPlaysFirst ? 1 : 0;
8241 if (boardIndex > forwardMostMove) {
8242 forwardMostMove = boardIndex;
8246 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8247 strcat(parseList[boardIndex-1], " ");
8248 strcat(parseList[boardIndex-1], yy_text);
8260 case GameUnfinished:
8261 if (gameMode == IcsExamining) {
8262 if (boardIndex < backwardMostMove) {
8263 /* Oops, gap. How did that happen? */
8266 backwardMostMove = blackPlaysFirst ? 1 : 0;
8269 gameInfo.result = moveType;
8270 p = strchr(yy_text, '{');
8271 if (p == NULL) p = strchr(yy_text, '(');
8274 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8276 q = strchr(p, *p == '{' ? '}' : ')');
8277 if (q != NULL) *q = NULLCHAR;
8280 gameInfo.resultDetails = StrSave(p);
8283 if (boardIndex >= forwardMostMove &&
8284 !(gameMode == IcsObserving && ics_gamenum == -1)) {
8285 backwardMostMove = blackPlaysFirst ? 1 : 0;
8288 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
8289 fromY, fromX, toY, toX, promoChar,
8290 parseList[boardIndex]);
8291 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
8292 /* currentMoveString is set as a side-effect of yylex */
8293 strcpy(moveList[boardIndex], currentMoveString);
8294 strcat(moveList[boardIndex], "\n");
8296 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
8297 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
8303 if(gameInfo.variant != VariantShogi)
8304 strcat(parseList[boardIndex - 1], "+");
8308 strcat(parseList[boardIndex - 1], "#");
8315 /* Apply a move to the given board */
8317 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
8318 int fromX, fromY, toX, toY;
8322 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
8323 int promoRank = gameInfo.variant == VariantMakruk ? 3 : 1;
8325 /* [HGM] compute & store e.p. status and castling rights for new position */
8326 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
8328 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
8329 oldEP = (signed char)board[EP_STATUS];
8330 board[EP_STATUS] = EP_NONE;
8332 if( board[toY][toX] != EmptySquare )
8333 board[EP_STATUS] = EP_CAPTURE;
8335 /* [HGM] In Shatranj and Courier all promotions are to Ferz */
8336 if((gameInfo.variant==VariantShatranj || gameInfo.variant==VariantCourier || gameInfo.variant == VariantMakruk)
8337 && promoChar != 0) promoChar = PieceToChar(WhiteFerz);
8339 if (fromY == DROP_RANK) {
8341 piece = board[toY][toX] = (ChessSquare) fromX;
8345 if( board[fromY][fromX] == WhitePawn ) {
8346 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8347 board[EP_STATUS] = EP_PAWN_MOVE;
8349 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
8350 gameInfo.variant != VariantBerolina || toX < fromX)
8351 board[EP_STATUS] = toX | berolina;
8352 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
8353 gameInfo.variant != VariantBerolina || toX > fromX)
8354 board[EP_STATUS] = toX;
8357 if( board[fromY][fromX] == BlackPawn ) {
8358 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8359 board[EP_STATUS] = EP_PAWN_MOVE;
8360 if( toY-fromY== -2) {
8361 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
8362 gameInfo.variant != VariantBerolina || toX < fromX)
8363 board[EP_STATUS] = toX | berolina;
8364 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
8365 gameInfo.variant != VariantBerolina || toX > fromX)
8366 board[EP_STATUS] = toX;
8370 for(i=0; i<nrCastlingRights; i++) {
8371 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
8372 board[CASTLING][i] == toX && castlingRank[i] == toY
8373 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
8376 if (fromX == toX && fromY == toY) return;
8378 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
8379 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
8380 if(gameInfo.variant == VariantKnightmate)
8381 king += (int) WhiteUnicorn - (int) WhiteKing;
8383 /* Code added by Tord: */
8384 /* FRC castling assumed when king captures friendly rook. */
8385 if (board[fromY][fromX] == WhiteKing &&
8386 board[toY][toX] == WhiteRook) {
8387 board[fromY][fromX] = EmptySquare;
8388 board[toY][toX] = EmptySquare;
8390 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
8392 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
8394 } else if (board[fromY][fromX] == BlackKing &&
8395 board[toY][toX] == BlackRook) {
8396 board[fromY][fromX] = EmptySquare;
8397 board[toY][toX] = EmptySquare;
8399 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
8401 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
8403 /* End of code added by Tord */
8405 } else if (board[fromY][fromX] == king
8406 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8407 && toY == fromY && toX > fromX+1) {
8408 board[fromY][fromX] = EmptySquare;
8409 board[toY][toX] = king;
8410 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8411 board[fromY][BOARD_RGHT-1] = EmptySquare;
8412 } else if (board[fromY][fromX] == king
8413 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8414 && toY == fromY && toX < fromX-1) {
8415 board[fromY][fromX] = EmptySquare;
8416 board[toY][toX] = king;
8417 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8418 board[fromY][BOARD_LEFT] = EmptySquare;
8419 } else if (board[fromY][fromX] == WhitePawn
8420 && toY >= BOARD_HEIGHT-promoRank
8421 && gameInfo.variant != VariantXiangqi
8423 /* white pawn promotion */
8424 board[toY][toX] = CharToPiece(ToUpper(promoChar));
8425 if (board[toY][toX] == EmptySquare) {
8426 board[toY][toX] = WhiteQueen;
8428 if(gameInfo.variant==VariantBughouse ||
8429 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8430 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8431 board[fromY][fromX] = EmptySquare;
8432 } else if ((fromY == BOARD_HEIGHT-4)
8434 && gameInfo.variant != VariantXiangqi
8435 && gameInfo.variant != VariantBerolina
8436 && (board[fromY][fromX] == WhitePawn)
8437 && (board[toY][toX] == EmptySquare)) {
8438 board[fromY][fromX] = EmptySquare;
8439 board[toY][toX] = WhitePawn;
8440 captured = board[toY - 1][toX];
8441 board[toY - 1][toX] = EmptySquare;
8442 } else if ((fromY == BOARD_HEIGHT-4)
8444 && gameInfo.variant == VariantBerolina
8445 && (board[fromY][fromX] == WhitePawn)
8446 && (board[toY][toX] == EmptySquare)) {
8447 board[fromY][fromX] = EmptySquare;
8448 board[toY][toX] = WhitePawn;
8449 if(oldEP & EP_BEROLIN_A) {
8450 captured = board[fromY][fromX-1];
8451 board[fromY][fromX-1] = EmptySquare;
8452 }else{ captured = board[fromY][fromX+1];
8453 board[fromY][fromX+1] = EmptySquare;
8455 } else if (board[fromY][fromX] == king
8456 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8457 && toY == fromY && toX > fromX+1) {
8458 board[fromY][fromX] = EmptySquare;
8459 board[toY][toX] = king;
8460 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8461 board[fromY][BOARD_RGHT-1] = EmptySquare;
8462 } else if (board[fromY][fromX] == king
8463 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8464 && toY == fromY && toX < fromX-1) {
8465 board[fromY][fromX] = EmptySquare;
8466 board[toY][toX] = king;
8467 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8468 board[fromY][BOARD_LEFT] = EmptySquare;
8469 } else if (fromY == 7 && fromX == 3
8470 && board[fromY][fromX] == BlackKing
8471 && toY == 7 && toX == 5) {
8472 board[fromY][fromX] = EmptySquare;
8473 board[toY][toX] = BlackKing;
8474 board[fromY][7] = EmptySquare;
8475 board[toY][4] = BlackRook;
8476 } else if (fromY == 7 && fromX == 3
8477 && board[fromY][fromX] == BlackKing
8478 && toY == 7 && toX == 1) {
8479 board[fromY][fromX] = EmptySquare;
8480 board[toY][toX] = BlackKing;
8481 board[fromY][0] = EmptySquare;
8482 board[toY][2] = BlackRook;
8483 } else if (board[fromY][fromX] == BlackPawn
8485 && gameInfo.variant != VariantXiangqi
8487 /* black pawn promotion */
8488 board[toY][toX] = CharToPiece(ToLower(promoChar));
8489 if (board[toY][toX] == EmptySquare) {
8490 board[toY][toX] = BlackQueen;
8492 if(gameInfo.variant==VariantBughouse ||
8493 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8494 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8495 board[fromY][fromX] = EmptySquare;
8496 } else if ((fromY == 3)
8498 && gameInfo.variant != VariantXiangqi
8499 && gameInfo.variant != VariantBerolina
8500 && (board[fromY][fromX] == BlackPawn)
8501 && (board[toY][toX] == EmptySquare)) {
8502 board[fromY][fromX] = EmptySquare;
8503 board[toY][toX] = BlackPawn;
8504 captured = board[toY + 1][toX];
8505 board[toY + 1][toX] = EmptySquare;
8506 } else if ((fromY == 3)
8508 && gameInfo.variant == VariantBerolina
8509 && (board[fromY][fromX] == BlackPawn)
8510 && (board[toY][toX] == EmptySquare)) {
8511 board[fromY][fromX] = EmptySquare;
8512 board[toY][toX] = BlackPawn;
8513 if(oldEP & EP_BEROLIN_A) {
8514 captured = board[fromY][fromX-1];
8515 board[fromY][fromX-1] = EmptySquare;
8516 }else{ captured = board[fromY][fromX+1];
8517 board[fromY][fromX+1] = EmptySquare;
8520 board[toY][toX] = board[fromY][fromX];
8521 board[fromY][fromX] = EmptySquare;
8524 /* [HGM] now we promote for Shogi, if needed */
8525 if(gameInfo.variant == VariantShogi && promoChar == 'q')
8526 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8529 if (gameInfo.holdingsWidth != 0) {
8531 /* !!A lot more code needs to be written to support holdings */
8532 /* [HGM] OK, so I have written it. Holdings are stored in the */
8533 /* penultimate board files, so they are automaticlly stored */
8534 /* in the game history. */
8535 if (fromY == DROP_RANK) {
8536 /* Delete from holdings, by decreasing count */
8537 /* and erasing image if necessary */
8539 if(p < (int) BlackPawn) { /* white drop */
8540 p -= (int)WhitePawn;
8541 p = PieceToNumber((ChessSquare)p);
8542 if(p >= gameInfo.holdingsSize) p = 0;
8543 if(--board[p][BOARD_WIDTH-2] <= 0)
8544 board[p][BOARD_WIDTH-1] = EmptySquare;
8545 if((int)board[p][BOARD_WIDTH-2] < 0)
8546 board[p][BOARD_WIDTH-2] = 0;
8547 } else { /* black drop */
8548 p -= (int)BlackPawn;
8549 p = PieceToNumber((ChessSquare)p);
8550 if(p >= gameInfo.holdingsSize) p = 0;
8551 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
8552 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
8553 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
8554 board[BOARD_HEIGHT-1-p][1] = 0;
8557 if (captured != EmptySquare && gameInfo.holdingsSize > 0
8558 && gameInfo.variant != VariantBughouse ) {
8559 /* [HGM] holdings: Add to holdings, if holdings exist */
8560 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
8561 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
8562 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
8565 if (p >= (int) BlackPawn) {
8566 p -= (int)BlackPawn;
8567 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8568 /* in Shogi restore piece to its original first */
8569 captured = (ChessSquare) (DEMOTED captured);
8572 p = PieceToNumber((ChessSquare)p);
8573 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
8574 board[p][BOARD_WIDTH-2]++;
8575 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
8577 p -= (int)WhitePawn;
8578 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8579 captured = (ChessSquare) (DEMOTED captured);
8582 p = PieceToNumber((ChessSquare)p);
8583 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
8584 board[BOARD_HEIGHT-1-p][1]++;
8585 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
8588 } else if (gameInfo.variant == VariantAtomic) {
8589 if (captured != EmptySquare) {
8591 for (y = toY-1; y <= toY+1; y++) {
8592 for (x = toX-1; x <= toX+1; x++) {
8593 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
8594 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
8595 board[y][x] = EmptySquare;
8599 board[toY][toX] = EmptySquare;
8602 if(gameInfo.variant == VariantShogi && promoChar != NULLCHAR && promoChar != '=') {
8603 /* [HGM] Shogi promotions */
8604 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8607 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8608 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
8609 // [HGM] superchess: take promotion piece out of holdings
8610 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
8611 if((int)piece < (int)BlackPawn) { // determine stm from piece color
8612 if(!--board[k][BOARD_WIDTH-2])
8613 board[k][BOARD_WIDTH-1] = EmptySquare;
8615 if(!--board[BOARD_HEIGHT-1-k][1])
8616 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
8622 /* Updates forwardMostMove */
8624 MakeMove(fromX, fromY, toX, toY, promoChar)
8625 int fromX, fromY, toX, toY;
8628 // forwardMostMove++; // [HGM] bare: moved downstream
8630 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
8631 int timeLeft; static int lastLoadFlag=0; int king, piece;
8632 piece = boards[forwardMostMove][fromY][fromX];
8633 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
8634 if(gameInfo.variant == VariantKnightmate)
8635 king += (int) WhiteUnicorn - (int) WhiteKing;
8636 if(forwardMostMove == 0) {
8638 fprintf(serverMoves, "%s;", second.tidy);
8639 fprintf(serverMoves, "%s;", first.tidy);
8640 if(!blackPlaysFirst)
8641 fprintf(serverMoves, "%s;", second.tidy);
8642 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
8643 lastLoadFlag = loadFlag;
8645 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
8646 // print castling suffix
8647 if( toY == fromY && piece == king ) {
8649 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
8651 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
8654 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
8655 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
8656 boards[forwardMostMove][toY][toX] == EmptySquare
8657 && fromX != toX && fromY != toY)
8658 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
8660 if(promoChar != NULLCHAR)
8661 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
8663 fprintf(serverMoves, "/%d/%d",
8664 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
8665 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
8666 else timeLeft = blackTimeRemaining/1000;
8667 fprintf(serverMoves, "/%d", timeLeft);
8669 fflush(serverMoves);
8672 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
8673 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
8677 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
8678 if (commentList[forwardMostMove+1] != NULL) {
8679 free(commentList[forwardMostMove+1]);
8680 commentList[forwardMostMove+1] = NULL;
8682 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8683 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
8684 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
8685 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
8686 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
8687 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
8688 gameInfo.result = GameUnfinished;
8689 if (gameInfo.resultDetails != NULL) {
8690 free(gameInfo.resultDetails);
8691 gameInfo.resultDetails = NULL;
8693 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
8694 moveList[forwardMostMove - 1]);
8695 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
8696 PosFlags(forwardMostMove - 1),
8697 fromY, fromX, toY, toX, promoChar,
8698 parseList[forwardMostMove - 1]);
8699 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8705 if(gameInfo.variant != VariantShogi)
8706 strcat(parseList[forwardMostMove - 1], "+");
8710 strcat(parseList[forwardMostMove - 1], "#");
8713 if (appData.debugMode) {
8714 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
8719 /* Updates currentMove if not pausing */
8721 ShowMove(fromX, fromY, toX, toY)
8723 int instant = (gameMode == PlayFromGameFile) ?
8724 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
8725 if(appData.noGUI) return;
8726 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
8728 if (forwardMostMove == currentMove + 1) {
8729 AnimateMove(boards[forwardMostMove - 1],
8730 fromX, fromY, toX, toY);
8732 if (appData.highlightLastMove) {
8733 SetHighlights(fromX, fromY, toX, toY);
8736 currentMove = forwardMostMove;
8739 if (instant) return;
8741 DisplayMove(currentMove - 1);
8742 DrawPosition(FALSE, boards[currentMove]);
8743 DisplayBothClocks();
8744 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
8747 void SendEgtPath(ChessProgramState *cps)
8748 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
8749 char buf[MSG_SIZ], name[MSG_SIZ], *p;
8751 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
8754 char c, *q = name+1, *r, *s;
8756 name[0] = ','; // extract next format name from feature and copy with prefixed ','
8757 while(*p && *p != ',') *q++ = *p++;
8759 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
8760 strcmp(name, ",nalimov:") == 0 ) {
8761 // take nalimov path from the menu-changeable option first, if it is defined
8762 sprintf(buf, "egtpath nalimov %s\n", appData.defaultPathEGTB);
8763 SendToProgram(buf,cps); // send egtbpath command for nalimov
8765 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
8766 (s = StrStr(appData.egtFormats, name)) != NULL) {
8767 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
8768 s = r = StrStr(s, ":") + 1; // beginning of path info
8769 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
8770 c = *r; *r = 0; // temporarily null-terminate path info
8771 *--q = 0; // strip of trailig ':' from name
8772 sprintf(buf, "egtpath %s %s\n", name+1, s);
8774 SendToProgram(buf,cps); // send egtbpath command for this format
8776 if(*p == ',') p++; // read away comma to position for next format name
8781 InitChessProgram(cps, setup)
8782 ChessProgramState *cps;
8783 int setup; /* [HGM] needed to setup FRC opening position */
8785 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
8786 if (appData.noChessProgram) return;
8787 hintRequested = FALSE;
8788 bookRequested = FALSE;
8790 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
8791 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
8792 if(cps->memSize) { /* [HGM] memory */
8793 sprintf(buf, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
8794 SendToProgram(buf, cps);
8796 SendEgtPath(cps); /* [HGM] EGT */
8797 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
8798 sprintf(buf, "cores %d\n", appData.smpCores);
8799 SendToProgram(buf, cps);
8802 SendToProgram(cps->initString, cps);
8803 if (gameInfo.variant != VariantNormal &&
8804 gameInfo.variant != VariantLoadable
8805 /* [HGM] also send variant if board size non-standard */
8806 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
8808 char *v = VariantName(gameInfo.variant);
8809 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
8810 /* [HGM] in protocol 1 we have to assume all variants valid */
8811 sprintf(buf, _("Variant %s not supported by %s"), v, cps->tidy);
8812 DisplayFatalError(buf, 0, 1);
8816 /* [HGM] make prefix for non-standard board size. Awkward testing... */
8817 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8818 if( gameInfo.variant == VariantXiangqi )
8819 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
8820 if( gameInfo.variant == VariantShogi )
8821 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
8822 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
8823 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
8824 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
8825 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
8826 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8827 if( gameInfo.variant == VariantCourier )
8828 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8829 if( gameInfo.variant == VariantSuper )
8830 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8831 if( gameInfo.variant == VariantGreat )
8832 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8835 sprintf(b, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
8836 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
8837 /* [HGM] varsize: try first if this defiant size variant is specifically known */
8838 if(StrStr(cps->variants, b) == NULL) {
8839 // specific sized variant not known, check if general sizing allowed
8840 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
8841 if(StrStr(cps->variants, "boardsize") == NULL) {
8842 sprintf(buf, "Board size %dx%d+%d not supported by %s",
8843 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
8844 DisplayFatalError(buf, 0, 1);
8847 /* [HGM] here we really should compare with the maximum supported board size */
8850 } else sprintf(b, "%s", VariantName(gameInfo.variant));
8851 sprintf(buf, "variant %s\n", b);
8852 SendToProgram(buf, cps);
8854 currentlyInitializedVariant = gameInfo.variant;
8856 /* [HGM] send opening position in FRC to first engine */
8858 SendToProgram("force\n", cps);
8860 /* engine is now in force mode! Set flag to wake it up after first move. */
8861 setboardSpoiledMachineBlack = 1;
8865 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
8866 SendToProgram(buf, cps);
8868 cps->maybeThinking = FALSE;
8869 cps->offeredDraw = 0;
8870 if (!appData.icsActive) {
8871 SendTimeControl(cps, movesPerSession, timeControl,
8872 timeIncrement, appData.searchDepth,
8875 if (appData.showThinking
8876 // [HGM] thinking: four options require thinking output to be sent
8877 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8879 SendToProgram("post\n", cps);
8881 SendToProgram("hard\n", cps);
8882 if (!appData.ponderNextMove) {
8883 /* Warning: "easy" is a toggle in GNU Chess, so don't send
8884 it without being sure what state we are in first. "hard"
8885 is not a toggle, so that one is OK.
8887 SendToProgram("easy\n", cps);
8890 sprintf(buf, "ping %d\n", ++cps->lastPing);
8891 SendToProgram(buf, cps);
8893 cps->initDone = TRUE;
8898 StartChessProgram(cps)
8899 ChessProgramState *cps;
8904 if (appData.noChessProgram) return;
8905 cps->initDone = FALSE;
8907 if (strcmp(cps->host, "localhost") == 0) {
8908 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
8909 } else if (*appData.remoteShell == NULLCHAR) {
8910 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
8912 if (*appData.remoteUser == NULLCHAR) {
8913 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
8916 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
8917 cps->host, appData.remoteUser, cps->program);
8919 err = StartChildProcess(buf, "", &cps->pr);
8923 sprintf(buf, _("Startup failure on '%s'"), cps->program);
8924 DisplayFatalError(buf, err, 1);
8930 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
8931 if (cps->protocolVersion > 1) {
8932 sprintf(buf, "xboard\nprotover %d\n", cps->protocolVersion);
8933 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
8934 cps->comboCnt = 0; // and values of combo boxes
8935 SendToProgram(buf, cps);
8937 SendToProgram("xboard\n", cps);
8943 TwoMachinesEventIfReady P((void))
8945 if (first.lastPing != first.lastPong) {
8946 DisplayMessage("", _("Waiting for first chess program"));
8947 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8950 if (second.lastPing != second.lastPong) {
8951 DisplayMessage("", _("Waiting for second chess program"));
8952 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8960 NextMatchGame P((void))
8962 int index; /* [HGM] autoinc: step load index during match */
8964 if (*appData.loadGameFile != NULLCHAR) {
8965 index = appData.loadGameIndex;
8966 if(index < 0) { // [HGM] autoinc
8967 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8968 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8970 LoadGameFromFile(appData.loadGameFile,
8972 appData.loadGameFile, FALSE);
8973 } else if (*appData.loadPositionFile != NULLCHAR) {
8974 index = appData.loadPositionIndex;
8975 if(index < 0) { // [HGM] autoinc
8976 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8977 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8979 LoadPositionFromFile(appData.loadPositionFile,
8981 appData.loadPositionFile);
8983 TwoMachinesEventIfReady();
8986 void UserAdjudicationEvent( int result )
8988 ChessMove gameResult = GameIsDrawn;
8991 gameResult = WhiteWins;
8993 else if( result < 0 ) {
8994 gameResult = BlackWins;
8997 if( gameMode == TwoMachinesPlay ) {
8998 GameEnds( gameResult, "User adjudication", GE_XBOARD );
9003 // [HGM] save: calculate checksum of game to make games easily identifiable
9004 int StringCheckSum(char *s)
9007 if(s==NULL) return 0;
9008 while(*s) i = i*259 + *s++;
9015 for(i=backwardMostMove; i<forwardMostMove; i++) {
9016 sum += pvInfoList[i].depth;
9017 sum += StringCheckSum(parseList[i]);
9018 sum += StringCheckSum(commentList[i]);
9021 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
9022 return sum + StringCheckSum(commentList[i]);
9023 } // end of save patch
9026 GameEnds(result, resultDetails, whosays)
9028 char *resultDetails;
9031 GameMode nextGameMode;
9033 char buf[MSG_SIZ], popupRequested = 0;
9035 if(endingGame) return; /* [HGM] crash: forbid recursion */
9037 if(twoBoards) { // [HGM] dual: switch back to one board
9038 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
9039 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
9041 if (appData.debugMode) {
9042 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
9043 result, resultDetails ? resultDetails : "(null)", whosays);
9046 fromX = fromY = -1; // [HGM] abort any move the user is entering.
9048 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
9049 /* If we are playing on ICS, the server decides when the
9050 game is over, but the engine can offer to draw, claim
9054 if (appData.zippyPlay && first.initDone) {
9055 if (result == GameIsDrawn) {
9056 /* In case draw still needs to be claimed */
9057 SendToICS(ics_prefix);
9058 SendToICS("draw\n");
9059 } else if (StrCaseStr(resultDetails, "resign")) {
9060 SendToICS(ics_prefix);
9061 SendToICS("resign\n");
9065 endingGame = 0; /* [HGM] crash */
9069 /* If we're loading the game from a file, stop */
9070 if (whosays == GE_FILE) {
9071 (void) StopLoadGameTimer();
9075 /* Cancel draw offers */
9076 first.offeredDraw = second.offeredDraw = 0;
9078 /* If this is an ICS game, only ICS can really say it's done;
9079 if not, anyone can. */
9080 isIcsGame = (gameMode == IcsPlayingWhite ||
9081 gameMode == IcsPlayingBlack ||
9082 gameMode == IcsObserving ||
9083 gameMode == IcsExamining);
9085 if (!isIcsGame || whosays == GE_ICS) {
9086 /* OK -- not an ICS game, or ICS said it was done */
9088 if (!isIcsGame && !appData.noChessProgram)
9089 SetUserThinkingEnables();
9091 /* [HGM] if a machine claims the game end we verify this claim */
9092 if(gameMode == TwoMachinesPlay && appData.testClaims) {
9093 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
9095 ChessMove trueResult = (ChessMove) -1;
9097 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
9098 first.twoMachinesColor[0] :
9099 second.twoMachinesColor[0] ;
9101 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
9102 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
9103 /* [HGM] verify: engine mate claims accepted if they were flagged */
9104 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
9106 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
9107 /* [HGM] verify: engine mate claims accepted if they were flagged */
9108 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
9110 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
9111 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
9114 // now verify win claims, but not in drop games, as we don't understand those yet
9115 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
9116 || gameInfo.variant == VariantGreat) &&
9117 (result == WhiteWins && claimer == 'w' ||
9118 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
9119 if (appData.debugMode) {
9120 fprintf(debugFP, "result=%d sp=%d move=%d\n",
9121 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
9123 if(result != trueResult) {
9124 sprintf(buf, "False win claim: '%s'", resultDetails);
9125 result = claimer == 'w' ? BlackWins : WhiteWins;
9126 resultDetails = buf;
9129 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
9130 && (forwardMostMove <= backwardMostMove ||
9131 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
9132 (claimer=='b')==(forwardMostMove&1))
9134 /* [HGM] verify: draws that were not flagged are false claims */
9135 sprintf(buf, "False draw claim: '%s'", resultDetails);
9136 result = claimer == 'w' ? BlackWins : WhiteWins;
9137 resultDetails = buf;
9139 /* (Claiming a loss is accepted no questions asked!) */
9141 /* [HGM] bare: don't allow bare King to win */
9142 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
9143 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
9144 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
9145 && result != GameIsDrawn)
9146 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
9147 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
9148 int p = (signed char)boards[forwardMostMove][i][j] - color;
9149 if(p >= 0 && p <= (int)WhiteKing) k++;
9151 if (appData.debugMode) {
9152 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
9153 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
9156 result = GameIsDrawn;
9157 sprintf(buf, "%s but bare king", resultDetails);
9158 resultDetails = buf;
9164 if(serverMoves != NULL && !loadFlag) { char c = '=';
9165 if(result==WhiteWins) c = '+';
9166 if(result==BlackWins) c = '-';
9167 if(resultDetails != NULL)
9168 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
9170 if (resultDetails != NULL) {
9171 gameInfo.result = result;
9172 gameInfo.resultDetails = StrSave(resultDetails);
9174 /* display last move only if game was not loaded from file */
9175 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
9176 DisplayMove(currentMove - 1);
9178 if (forwardMostMove != 0) {
9179 if (gameMode != PlayFromGameFile && gameMode != EditGame
9180 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
9182 if (*appData.saveGameFile != NULLCHAR) {
9183 SaveGameToFile(appData.saveGameFile, TRUE);
9184 } else if (appData.autoSaveGames) {
9187 if (*appData.savePositionFile != NULLCHAR) {
9188 SavePositionToFile(appData.savePositionFile);
9193 /* Tell program how game ended in case it is learning */
9194 /* [HGM] Moved this to after saving the PGN, just in case */
9195 /* engine died and we got here through time loss. In that */
9196 /* case we will get a fatal error writing the pipe, which */
9197 /* would otherwise lose us the PGN. */
9198 /* [HGM] crash: not needed anymore, but doesn't hurt; */
9199 /* output during GameEnds should never be fatal anymore */
9200 if (gameMode == MachinePlaysWhite ||
9201 gameMode == MachinePlaysBlack ||
9202 gameMode == TwoMachinesPlay ||
9203 gameMode == IcsPlayingWhite ||
9204 gameMode == IcsPlayingBlack ||
9205 gameMode == BeginningOfGame) {
9207 sprintf(buf, "result %s {%s}\n", PGNResult(result),
9209 if (first.pr != NoProc) {
9210 SendToProgram(buf, &first);
9212 if (second.pr != NoProc &&
9213 gameMode == TwoMachinesPlay) {
9214 SendToProgram(buf, &second);
9219 if (appData.icsActive) {
9220 if (appData.quietPlay &&
9221 (gameMode == IcsPlayingWhite ||
9222 gameMode == IcsPlayingBlack)) {
9223 SendToICS(ics_prefix);
9224 SendToICS("set shout 1\n");
9226 nextGameMode = IcsIdle;
9227 ics_user_moved = FALSE;
9228 /* clean up premove. It's ugly when the game has ended and the
9229 * premove highlights are still on the board.
9233 ClearPremoveHighlights();
9234 DrawPosition(FALSE, boards[currentMove]);
9236 if (whosays == GE_ICS) {
9239 if (gameMode == IcsPlayingWhite)
9241 else if(gameMode == IcsPlayingBlack)
9245 if (gameMode == IcsPlayingBlack)
9247 else if(gameMode == IcsPlayingWhite)
9254 PlayIcsUnfinishedSound();
9257 } else if (gameMode == EditGame ||
9258 gameMode == PlayFromGameFile ||
9259 gameMode == AnalyzeMode ||
9260 gameMode == AnalyzeFile) {
9261 nextGameMode = gameMode;
9263 nextGameMode = EndOfGame;
9268 nextGameMode = gameMode;
9271 if (appData.noChessProgram) {
9272 gameMode = nextGameMode;
9274 endingGame = 0; /* [HGM] crash */
9279 /* Put first chess program into idle state */
9280 if (first.pr != NoProc &&
9281 (gameMode == MachinePlaysWhite ||
9282 gameMode == MachinePlaysBlack ||
9283 gameMode == TwoMachinesPlay ||
9284 gameMode == IcsPlayingWhite ||
9285 gameMode == IcsPlayingBlack ||
9286 gameMode == BeginningOfGame)) {
9287 SendToProgram("force\n", &first);
9288 if (first.usePing) {
9290 sprintf(buf, "ping %d\n", ++first.lastPing);
9291 SendToProgram(buf, &first);
9294 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9295 /* Kill off first chess program */
9296 if (first.isr != NULL)
9297 RemoveInputSource(first.isr);
9300 if (first.pr != NoProc) {
9302 DoSleep( appData.delayBeforeQuit );
9303 SendToProgram("quit\n", &first);
9304 DoSleep( appData.delayAfterQuit );
9305 DestroyChildProcess(first.pr, first.useSigterm);
9310 /* Put second chess program into idle state */
9311 if (second.pr != NoProc &&
9312 gameMode == TwoMachinesPlay) {
9313 SendToProgram("force\n", &second);
9314 if (second.usePing) {
9316 sprintf(buf, "ping %d\n", ++second.lastPing);
9317 SendToProgram(buf, &second);
9320 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9321 /* Kill off second chess program */
9322 if (second.isr != NULL)
9323 RemoveInputSource(second.isr);
9326 if (second.pr != NoProc) {
9327 DoSleep( appData.delayBeforeQuit );
9328 SendToProgram("quit\n", &second);
9329 DoSleep( appData.delayAfterQuit );
9330 DestroyChildProcess(second.pr, second.useSigterm);
9335 if (matchMode && gameMode == TwoMachinesPlay) {
9338 if (first.twoMachinesColor[0] == 'w') {
9345 if (first.twoMachinesColor[0] == 'b') {
9354 if (matchGame < appData.matchGames) {
9356 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
9357 tmp = first.twoMachinesColor;
9358 first.twoMachinesColor = second.twoMachinesColor;
9359 second.twoMachinesColor = tmp;
9361 gameMode = nextGameMode;
9363 if(appData.matchPause>10000 || appData.matchPause<10)
9364 appData.matchPause = 10000; /* [HGM] make pause adjustable */
9365 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
9366 endingGame = 0; /* [HGM] crash */
9369 gameMode = nextGameMode;
9370 sprintf(buf, _("Match %s vs. %s: final score %d-%d-%d"),
9371 first.tidy, second.tidy,
9372 first.matchWins, second.matchWins,
9373 appData.matchGames - (first.matchWins + second.matchWins));
9374 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
9377 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
9378 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
9380 gameMode = nextGameMode;
9382 endingGame = 0; /* [HGM] crash */
9383 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
9384 if(matchMode == TRUE) DisplayFatalError(buf, 0, 0); else {
9385 matchMode = FALSE; appData.matchGames = matchGame = 0;
9391 /* Assumes program was just initialized (initString sent).
9392 Leaves program in force mode. */
9394 FeedMovesToProgram(cps, upto)
9395 ChessProgramState *cps;
9400 if (appData.debugMode)
9401 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
9402 startedFromSetupPosition ? "position and " : "",
9403 backwardMostMove, upto, cps->which);
9404 if(currentlyInitializedVariant != gameInfo.variant) { char buf[MSG_SIZ];
9405 // [HGM] variantswitch: make engine aware of new variant
9406 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
9407 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
9408 sprintf(buf, "variant %s\n", VariantName(gameInfo.variant));
9409 SendToProgram(buf, cps);
9410 currentlyInitializedVariant = gameInfo.variant;
9412 SendToProgram("force\n", cps);
9413 if (startedFromSetupPosition) {
9414 SendBoard(cps, backwardMostMove);
9415 if (appData.debugMode) {
9416 fprintf(debugFP, "feedMoves\n");
9419 for (i = backwardMostMove; i < upto; i++) {
9420 SendMoveToProgram(i, cps);
9426 ResurrectChessProgram()
9428 /* The chess program may have exited.
9429 If so, restart it and feed it all the moves made so far. */
9431 if (appData.noChessProgram || first.pr != NoProc) return;
9433 StartChessProgram(&first);
9434 InitChessProgram(&first, FALSE);
9435 FeedMovesToProgram(&first, currentMove);
9437 if (!first.sendTime) {
9438 /* can't tell gnuchess what its clock should read,
9439 so we bow to its notion. */
9441 timeRemaining[0][currentMove] = whiteTimeRemaining;
9442 timeRemaining[1][currentMove] = blackTimeRemaining;
9445 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
9446 appData.icsEngineAnalyze) && first.analysisSupport) {
9447 SendToProgram("analyze\n", &first);
9448 first.analyzing = TRUE;
9461 if (appData.debugMode) {
9462 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
9463 redraw, init, gameMode);
9465 CleanupTail(); // [HGM] vari: delete any stored variations
9466 pausing = pauseExamInvalid = FALSE;
9467 startedFromSetupPosition = blackPlaysFirst = FALSE;
9469 whiteFlag = blackFlag = FALSE;
9470 userOfferedDraw = FALSE;
9471 hintRequested = bookRequested = FALSE;
9472 first.maybeThinking = FALSE;
9473 second.maybeThinking = FALSE;
9474 first.bookSuspend = FALSE; // [HGM] book
9475 second.bookSuspend = FALSE;
9476 thinkOutput[0] = NULLCHAR;
9477 lastHint[0] = NULLCHAR;
9478 ClearGameInfo(&gameInfo);
9479 gameInfo.variant = StringToVariant(appData.variant);
9480 ics_user_moved = ics_clock_paused = FALSE;
9481 ics_getting_history = H_FALSE;
9483 white_holding[0] = black_holding[0] = NULLCHAR;
9484 ClearProgramStats();
9485 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
9489 flipView = appData.flipView;
9490 ClearPremoveHighlights();
9492 alarmSounded = FALSE;
9494 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
9495 if(appData.serverMovesName != NULL) {
9496 /* [HGM] prepare to make moves file for broadcasting */
9497 clock_t t = clock();
9498 if(serverMoves != NULL) fclose(serverMoves);
9499 serverMoves = fopen(appData.serverMovesName, "r");
9500 if(serverMoves != NULL) {
9501 fclose(serverMoves);
9502 /* delay 15 sec before overwriting, so all clients can see end */
9503 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
9505 serverMoves = fopen(appData.serverMovesName, "w");
9509 gameMode = BeginningOfGame;
9511 if(appData.icsActive) gameInfo.variant = VariantNormal;
9512 currentMove = forwardMostMove = backwardMostMove = 0;
9513 InitPosition(redraw);
9514 for (i = 0; i < MAX_MOVES; i++) {
9515 if (commentList[i] != NULL) {
9516 free(commentList[i]);
9517 commentList[i] = NULL;
9521 timeRemaining[0][0] = whiteTimeRemaining;
9522 timeRemaining[1][0] = blackTimeRemaining;
9523 if (first.pr == NULL) {
9524 StartChessProgram(&first);
9527 InitChessProgram(&first, startedFromSetupPosition);
9530 DisplayMessage("", "");
9531 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9532 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
9539 if (!AutoPlayOneMove())
9541 if (matchMode || appData.timeDelay == 0)
9543 if (appData.timeDelay < 0 || gameMode == AnalyzeFile)
9545 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
9554 int fromX, fromY, toX, toY;
9556 if (appData.debugMode) {
9557 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
9560 if (gameMode != PlayFromGameFile)
9563 if (currentMove >= forwardMostMove) {
9564 gameMode = EditGame;
9567 /* [AS] Clear current move marker at the end of a game */
9568 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
9573 toX = moveList[currentMove][2] - AAA;
9574 toY = moveList[currentMove][3] - ONE;
9576 if (moveList[currentMove][1] == '@') {
9577 if (appData.highlightLastMove) {
9578 SetHighlights(-1, -1, toX, toY);
9581 fromX = moveList[currentMove][0] - AAA;
9582 fromY = moveList[currentMove][1] - ONE;
9584 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
9586 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
9588 if (appData.highlightLastMove) {
9589 SetHighlights(fromX, fromY, toX, toY);
9592 DisplayMove(currentMove);
9593 SendMoveToProgram(currentMove++, &first);
9594 DisplayBothClocks();
9595 DrawPosition(FALSE, boards[currentMove]);
9596 // [HGM] PV info: always display, routine tests if empty
9597 DisplayComment(currentMove - 1, commentList[currentMove]);
9603 LoadGameOneMove(readAhead)
9604 ChessMove readAhead;
9606 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
9607 char promoChar = NULLCHAR;
9612 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
9613 gameMode != AnalyzeMode && gameMode != Training) {
9618 yyboardindex = forwardMostMove;
9619 if (readAhead != (ChessMove)0) {
9620 moveType = readAhead;
9622 if (gameFileFP == NULL)
9624 moveType = (ChessMove) yylex();
9630 if (appData.debugMode)
9631 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9634 /* append the comment but don't display it */
9635 AppendComment(currentMove, p, FALSE);
9638 case WhiteCapturesEnPassant:
9639 case BlackCapturesEnPassant:
9640 case WhitePromotionChancellor:
9641 case BlackPromotionChancellor:
9642 case WhitePromotionArchbishop:
9643 case BlackPromotionArchbishop:
9644 case WhitePromotionCentaur:
9645 case BlackPromotionCentaur:
9646 case WhitePromotionQueen:
9647 case BlackPromotionQueen:
9648 case WhitePromotionRook:
9649 case BlackPromotionRook:
9650 case WhitePromotionBishop:
9651 case BlackPromotionBishop:
9652 case WhitePromotionKnight:
9653 case BlackPromotionKnight:
9654 case WhitePromotionKing:
9655 case BlackPromotionKing:
9656 case WhiteNonPromotion:
9657 case BlackNonPromotion:
9659 case WhiteKingSideCastle:
9660 case WhiteQueenSideCastle:
9661 case BlackKingSideCastle:
9662 case BlackQueenSideCastle:
9663 case WhiteKingSideCastleWild:
9664 case WhiteQueenSideCastleWild:
9665 case BlackKingSideCastleWild:
9666 case BlackQueenSideCastleWild:
9668 case WhiteHSideCastleFR:
9669 case WhiteASideCastleFR:
9670 case BlackHSideCastleFR:
9671 case BlackASideCastleFR:
9673 if (appData.debugMode)
9674 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9675 fromX = currentMoveString[0] - AAA;
9676 fromY = currentMoveString[1] - ONE;
9677 toX = currentMoveString[2] - AAA;
9678 toY = currentMoveString[3] - ONE;
9679 promoChar = currentMoveString[4];
9684 if (appData.debugMode)
9685 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9686 fromX = moveType == WhiteDrop ?
9687 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9688 (int) CharToPiece(ToLower(currentMoveString[0]));
9690 toX = currentMoveString[2] - AAA;
9691 toY = currentMoveString[3] - ONE;
9697 case GameUnfinished:
9698 if (appData.debugMode)
9699 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
9700 p = strchr(yy_text, '{');
9701 if (p == NULL) p = strchr(yy_text, '(');
9704 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9706 q = strchr(p, *p == '{' ? '}' : ')');
9707 if (q != NULL) *q = NULLCHAR;
9710 GameEnds(moveType, p, GE_FILE);
9712 if (cmailMsgLoaded) {
9714 flipView = WhiteOnMove(currentMove);
9715 if (moveType == GameUnfinished) flipView = !flipView;
9716 if (appData.debugMode)
9717 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
9721 case (ChessMove) 0: /* end of file */
9722 if (appData.debugMode)
9723 fprintf(debugFP, "Parser hit end of file\n");
9724 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9730 if (WhiteOnMove(currentMove)) {
9731 GameEnds(BlackWins, "Black mates", GE_FILE);
9733 GameEnds(WhiteWins, "White mates", GE_FILE);
9737 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9744 if (lastLoadGameStart == GNUChessGame) {
9745 /* GNUChessGames have numbers, but they aren't move numbers */
9746 if (appData.debugMode)
9747 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9748 yy_text, (int) moveType);
9749 return LoadGameOneMove((ChessMove)0); /* tail recursion */
9751 /* else fall thru */
9756 /* Reached start of next game in file */
9757 if (appData.debugMode)
9758 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
9759 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9765 if (WhiteOnMove(currentMove)) {
9766 GameEnds(BlackWins, "Black mates", GE_FILE);
9768 GameEnds(WhiteWins, "White mates", GE_FILE);
9772 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9778 case PositionDiagram: /* should not happen; ignore */
9779 case ElapsedTime: /* ignore */
9780 case NAG: /* ignore */
9781 if (appData.debugMode)
9782 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9783 yy_text, (int) moveType);
9784 return LoadGameOneMove((ChessMove)0); /* tail recursion */
9787 if (appData.testLegality) {
9788 if (appData.debugMode)
9789 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
9790 sprintf(move, _("Illegal move: %d.%s%s"),
9791 (forwardMostMove / 2) + 1,
9792 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9793 DisplayError(move, 0);
9796 if (appData.debugMode)
9797 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
9798 yy_text, currentMoveString);
9799 fromX = currentMoveString[0] - AAA;
9800 fromY = currentMoveString[1] - ONE;
9801 toX = currentMoveString[2] - AAA;
9802 toY = currentMoveString[3] - ONE;
9803 promoChar = currentMoveString[4];
9808 if (appData.debugMode)
9809 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
9810 sprintf(move, _("Ambiguous move: %d.%s%s"),
9811 (forwardMostMove / 2) + 1,
9812 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9813 DisplayError(move, 0);
9818 case ImpossibleMove:
9819 if (appData.debugMode)
9820 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
9821 sprintf(move, _("Illegal move: %d.%s%s"),
9822 (forwardMostMove / 2) + 1,
9823 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9824 DisplayError(move, 0);
9830 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
9831 DrawPosition(FALSE, boards[currentMove]);
9832 DisplayBothClocks();
9833 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
9834 DisplayComment(currentMove - 1, commentList[currentMove]);
9836 (void) StopLoadGameTimer();
9838 cmailOldMove = forwardMostMove;
9841 /* currentMoveString is set as a side-effect of yylex */
9842 strcat(currentMoveString, "\n");
9843 strcpy(moveList[forwardMostMove], currentMoveString);
9845 thinkOutput[0] = NULLCHAR;
9846 MakeMove(fromX, fromY, toX, toY, promoChar);
9847 currentMove = forwardMostMove;
9852 /* Load the nth game from the given file */
9854 LoadGameFromFile(filename, n, title, useList)
9858 /*Boolean*/ int useList;
9863 if (strcmp(filename, "-") == 0) {
9867 f = fopen(filename, "rb");
9869 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9870 DisplayError(buf, errno);
9874 if (fseek(f, 0, 0) == -1) {
9875 /* f is not seekable; probably a pipe */
9878 if (useList && n == 0) {
9879 int error = GameListBuild(f);
9881 DisplayError(_("Cannot build game list"), error);
9882 } else if (!ListEmpty(&gameList) &&
9883 ((ListGame *) gameList.tailPred)->number > 1) {
9884 GameListPopUp(f, title);
9891 return LoadGame(f, n, title, FALSE);
9896 MakeRegisteredMove()
9898 int fromX, fromY, toX, toY;
9900 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9901 switch (cmailMoveType[lastLoadGameNumber - 1]) {
9904 if (appData.debugMode)
9905 fprintf(debugFP, "Restoring %s for game %d\n",
9906 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
9908 thinkOutput[0] = NULLCHAR;
9909 strcpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1]);
9910 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
9911 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
9912 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
9913 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
9914 promoChar = cmailMove[lastLoadGameNumber - 1][4];
9915 MakeMove(fromX, fromY, toX, toY, promoChar);
9916 ShowMove(fromX, fromY, toX, toY);
9918 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9925 if (WhiteOnMove(currentMove)) {
9926 GameEnds(BlackWins, "Black mates", GE_PLAYER);
9928 GameEnds(WhiteWins, "White mates", GE_PLAYER);
9933 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
9940 if (WhiteOnMove(currentMove)) {
9941 GameEnds(BlackWins, "White resigns", GE_PLAYER);
9943 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
9948 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
9959 /* Wrapper around LoadGame for use when a Cmail message is loaded */
9961 CmailLoadGame(f, gameNumber, title, useList)
9969 if (gameNumber > nCmailGames) {
9970 DisplayError(_("No more games in this message"), 0);
9973 if (f == lastLoadGameFP) {
9974 int offset = gameNumber - lastLoadGameNumber;
9976 cmailMsg[0] = NULLCHAR;
9977 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9978 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
9979 nCmailMovesRegistered--;
9981 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
9982 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
9983 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
9986 if (! RegisterMove()) return FALSE;
9990 retVal = LoadGame(f, gameNumber, title, useList);
9992 /* Make move registered during previous look at this game, if any */
9993 MakeRegisteredMove();
9995 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
9996 commentList[currentMove]
9997 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
9998 DisplayComment(currentMove - 1, commentList[currentMove]);
10004 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
10009 int gameNumber = lastLoadGameNumber + offset;
10010 if (lastLoadGameFP == NULL) {
10011 DisplayError(_("No game has been loaded yet"), 0);
10014 if (gameNumber <= 0) {
10015 DisplayError(_("Can't back up any further"), 0);
10018 if (cmailMsgLoaded) {
10019 return CmailLoadGame(lastLoadGameFP, gameNumber,
10020 lastLoadGameTitle, lastLoadGameUseList);
10022 return LoadGame(lastLoadGameFP, gameNumber,
10023 lastLoadGameTitle, lastLoadGameUseList);
10029 /* Load the nth game from open file f */
10031 LoadGame(f, gameNumber, title, useList)
10039 int gn = gameNumber;
10040 ListGame *lg = NULL;
10041 int numPGNTags = 0;
10043 GameMode oldGameMode;
10044 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
10046 if (appData.debugMode)
10047 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
10049 if (gameMode == Training )
10050 SetTrainingModeOff();
10052 oldGameMode = gameMode;
10053 if (gameMode != BeginningOfGame) {
10054 Reset(FALSE, TRUE);
10058 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
10059 fclose(lastLoadGameFP);
10063 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
10066 fseek(f, lg->offset, 0);
10067 GameListHighlight(gameNumber);
10071 DisplayError(_("Game number out of range"), 0);
10076 if (fseek(f, 0, 0) == -1) {
10077 if (f == lastLoadGameFP ?
10078 gameNumber == lastLoadGameNumber + 1 :
10082 DisplayError(_("Can't seek on game file"), 0);
10087 lastLoadGameFP = f;
10088 lastLoadGameNumber = gameNumber;
10089 strcpy(lastLoadGameTitle, title);
10090 lastLoadGameUseList = useList;
10094 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
10095 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
10096 lg->gameInfo.black);
10098 } else if (*title != NULLCHAR) {
10099 if (gameNumber > 1) {
10100 sprintf(buf, "%s %d", title, gameNumber);
10103 DisplayTitle(title);
10107 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
10108 gameMode = PlayFromGameFile;
10112 currentMove = forwardMostMove = backwardMostMove = 0;
10113 CopyBoard(boards[0], initialPosition);
10117 * Skip the first gn-1 games in the file.
10118 * Also skip over anything that precedes an identifiable
10119 * start of game marker, to avoid being confused by
10120 * garbage at the start of the file. Currently
10121 * recognized start of game markers are the move number "1",
10122 * the pattern "gnuchess .* game", the pattern
10123 * "^[#;%] [^ ]* game file", and a PGN tag block.
10124 * A game that starts with one of the latter two patterns
10125 * will also have a move number 1, possibly
10126 * following a position diagram.
10127 * 5-4-02: Let's try being more lenient and allowing a game to
10128 * start with an unnumbered move. Does that break anything?
10130 cm = lastLoadGameStart = (ChessMove) 0;
10132 yyboardindex = forwardMostMove;
10133 cm = (ChessMove) yylex();
10135 case (ChessMove) 0:
10136 if (cmailMsgLoaded) {
10137 nCmailGames = CMAIL_MAX_GAMES - gn;
10140 DisplayError(_("Game not found in file"), 0);
10147 lastLoadGameStart = cm;
10150 case MoveNumberOne:
10151 switch (lastLoadGameStart) {
10156 case MoveNumberOne:
10157 case (ChessMove) 0:
10158 gn--; /* count this game */
10159 lastLoadGameStart = cm;
10168 switch (lastLoadGameStart) {
10171 case MoveNumberOne:
10172 case (ChessMove) 0:
10173 gn--; /* count this game */
10174 lastLoadGameStart = cm;
10177 lastLoadGameStart = cm; /* game counted already */
10185 yyboardindex = forwardMostMove;
10186 cm = (ChessMove) yylex();
10187 } while (cm == PGNTag || cm == Comment);
10194 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
10195 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
10196 != CMAIL_OLD_RESULT) {
10198 cmailResult[ CMAIL_MAX_GAMES
10199 - gn - 1] = CMAIL_OLD_RESULT;
10205 /* Only a NormalMove can be at the start of a game
10206 * without a position diagram. */
10207 if (lastLoadGameStart == (ChessMove) 0) {
10209 lastLoadGameStart = MoveNumberOne;
10218 if (appData.debugMode)
10219 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
10221 if (cm == XBoardGame) {
10222 /* Skip any header junk before position diagram and/or move 1 */
10224 yyboardindex = forwardMostMove;
10225 cm = (ChessMove) yylex();
10227 if (cm == (ChessMove) 0 ||
10228 cm == GNUChessGame || cm == XBoardGame) {
10229 /* Empty game; pretend end-of-file and handle later */
10230 cm = (ChessMove) 0;
10234 if (cm == MoveNumberOne || cm == PositionDiagram ||
10235 cm == PGNTag || cm == Comment)
10238 } else if (cm == GNUChessGame) {
10239 if (gameInfo.event != NULL) {
10240 free(gameInfo.event);
10242 gameInfo.event = StrSave(yy_text);
10245 startedFromSetupPosition = FALSE;
10246 while (cm == PGNTag) {
10247 if (appData.debugMode)
10248 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
10249 err = ParsePGNTag(yy_text, &gameInfo);
10250 if (!err) numPGNTags++;
10252 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
10253 if(gameInfo.variant != oldVariant) {
10254 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
10255 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
10256 InitPosition(TRUE);
10257 oldVariant = gameInfo.variant;
10258 if (appData.debugMode)
10259 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
10263 if (gameInfo.fen != NULL) {
10264 Board initial_position;
10265 startedFromSetupPosition = TRUE;
10266 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
10268 DisplayError(_("Bad FEN position in file"), 0);
10271 CopyBoard(boards[0], initial_position);
10272 if (blackPlaysFirst) {
10273 currentMove = forwardMostMove = backwardMostMove = 1;
10274 CopyBoard(boards[1], initial_position);
10275 strcpy(moveList[0], "");
10276 strcpy(parseList[0], "");
10277 timeRemaining[0][1] = whiteTimeRemaining;
10278 timeRemaining[1][1] = blackTimeRemaining;
10279 if (commentList[0] != NULL) {
10280 commentList[1] = commentList[0];
10281 commentList[0] = NULL;
10284 currentMove = forwardMostMove = backwardMostMove = 0;
10286 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
10288 initialRulePlies = FENrulePlies;
10289 for( i=0; i< nrCastlingRights; i++ )
10290 initialRights[i] = initial_position[CASTLING][i];
10292 yyboardindex = forwardMostMove;
10293 free(gameInfo.fen);
10294 gameInfo.fen = NULL;
10297 yyboardindex = forwardMostMove;
10298 cm = (ChessMove) yylex();
10300 /* Handle comments interspersed among the tags */
10301 while (cm == Comment) {
10303 if (appData.debugMode)
10304 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10306 AppendComment(currentMove, p, FALSE);
10307 yyboardindex = forwardMostMove;
10308 cm = (ChessMove) yylex();
10312 /* don't rely on existence of Event tag since if game was
10313 * pasted from clipboard the Event tag may not exist
10315 if (numPGNTags > 0){
10317 if (gameInfo.variant == VariantNormal) {
10318 VariantClass v = StringToVariant(gameInfo.event);
10319 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
10320 if(v < VariantShogi) gameInfo.variant = v;
10323 if( appData.autoDisplayTags ) {
10324 tags = PGNTags(&gameInfo);
10325 TagsPopUp(tags, CmailMsg());
10330 /* Make something up, but don't display it now */
10335 if (cm == PositionDiagram) {
10338 Board initial_position;
10340 if (appData.debugMode)
10341 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
10343 if (!startedFromSetupPosition) {
10345 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
10346 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
10356 initial_position[i][j++] = CharToPiece(*p);
10359 while (*p == ' ' || *p == '\t' ||
10360 *p == '\n' || *p == '\r') p++;
10362 if (strncmp(p, "black", strlen("black"))==0)
10363 blackPlaysFirst = TRUE;
10365 blackPlaysFirst = FALSE;
10366 startedFromSetupPosition = TRUE;
10368 CopyBoard(boards[0], initial_position);
10369 if (blackPlaysFirst) {
10370 currentMove = forwardMostMove = backwardMostMove = 1;
10371 CopyBoard(boards[1], initial_position);
10372 strcpy(moveList[0], "");
10373 strcpy(parseList[0], "");
10374 timeRemaining[0][1] = whiteTimeRemaining;
10375 timeRemaining[1][1] = blackTimeRemaining;
10376 if (commentList[0] != NULL) {
10377 commentList[1] = commentList[0];
10378 commentList[0] = NULL;
10381 currentMove = forwardMostMove = backwardMostMove = 0;
10384 yyboardindex = forwardMostMove;
10385 cm = (ChessMove) yylex();
10388 if (first.pr == NoProc) {
10389 StartChessProgram(&first);
10391 InitChessProgram(&first, FALSE);
10392 SendToProgram("force\n", &first);
10393 if (startedFromSetupPosition) {
10394 SendBoard(&first, forwardMostMove);
10395 if (appData.debugMode) {
10396 fprintf(debugFP, "Load Game\n");
10398 DisplayBothClocks();
10401 /* [HGM] server: flag to write setup moves in broadcast file as one */
10402 loadFlag = appData.suppressLoadMoves;
10404 while (cm == Comment) {
10406 if (appData.debugMode)
10407 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10409 AppendComment(currentMove, p, FALSE);
10410 yyboardindex = forwardMostMove;
10411 cm = (ChessMove) yylex();
10414 if ((cm == (ChessMove) 0 && lastLoadGameStart != (ChessMove) 0) ||
10415 cm == WhiteWins || cm == BlackWins ||
10416 cm == GameIsDrawn || cm == GameUnfinished) {
10417 DisplayMessage("", _("No moves in game"));
10418 if (cmailMsgLoaded) {
10419 if (appData.debugMode)
10420 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
10424 DrawPosition(FALSE, boards[currentMove]);
10425 DisplayBothClocks();
10426 gameMode = EditGame;
10433 // [HGM] PV info: routine tests if comment empty
10434 if (!matchMode && (pausing || appData.timeDelay != 0)) {
10435 DisplayComment(currentMove - 1, commentList[currentMove]);
10437 if (!matchMode && appData.timeDelay != 0)
10438 DrawPosition(FALSE, boards[currentMove]);
10440 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
10441 programStats.ok_to_send = 1;
10444 /* if the first token after the PGN tags is a move
10445 * and not move number 1, retrieve it from the parser
10447 if (cm != MoveNumberOne)
10448 LoadGameOneMove(cm);
10450 /* load the remaining moves from the file */
10451 while (LoadGameOneMove((ChessMove)0)) {
10452 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10453 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10456 /* rewind to the start of the game */
10457 currentMove = backwardMostMove;
10459 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10461 if (oldGameMode == AnalyzeFile ||
10462 oldGameMode == AnalyzeMode) {
10463 AnalyzeFileEvent();
10466 if (matchMode || appData.timeDelay == 0) {
10468 gameMode = EditGame;
10470 } else if (appData.timeDelay > 0) {
10471 AutoPlayGameLoop();
10474 if (appData.debugMode)
10475 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
10477 loadFlag = 0; /* [HGM] true game starts */
10481 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
10483 ReloadPosition(offset)
10486 int positionNumber = lastLoadPositionNumber + offset;
10487 if (lastLoadPositionFP == NULL) {
10488 DisplayError(_("No position has been loaded yet"), 0);
10491 if (positionNumber <= 0) {
10492 DisplayError(_("Can't back up any further"), 0);
10495 return LoadPosition(lastLoadPositionFP, positionNumber,
10496 lastLoadPositionTitle);
10499 /* Load the nth position from the given file */
10501 LoadPositionFromFile(filename, n, title)
10509 if (strcmp(filename, "-") == 0) {
10510 return LoadPosition(stdin, n, "stdin");
10512 f = fopen(filename, "rb");
10514 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10515 DisplayError(buf, errno);
10518 return LoadPosition(f, n, title);
10523 /* Load the nth position from the given open file, and close it */
10525 LoadPosition(f, positionNumber, title)
10527 int positionNumber;
10530 char *p, line[MSG_SIZ];
10531 Board initial_position;
10532 int i, j, fenMode, pn;
10534 if (gameMode == Training )
10535 SetTrainingModeOff();
10537 if (gameMode != BeginningOfGame) {
10538 Reset(FALSE, TRUE);
10540 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
10541 fclose(lastLoadPositionFP);
10543 if (positionNumber == 0) positionNumber = 1;
10544 lastLoadPositionFP = f;
10545 lastLoadPositionNumber = positionNumber;
10546 strcpy(lastLoadPositionTitle, title);
10547 if (first.pr == NoProc) {
10548 StartChessProgram(&first);
10549 InitChessProgram(&first, FALSE);
10551 pn = positionNumber;
10552 if (positionNumber < 0) {
10553 /* Negative position number means to seek to that byte offset */
10554 if (fseek(f, -positionNumber, 0) == -1) {
10555 DisplayError(_("Can't seek on position file"), 0);
10560 if (fseek(f, 0, 0) == -1) {
10561 if (f == lastLoadPositionFP ?
10562 positionNumber == lastLoadPositionNumber + 1 :
10563 positionNumber == 1) {
10566 DisplayError(_("Can't seek on position file"), 0);
10571 /* See if this file is FEN or old-style xboard */
10572 if (fgets(line, MSG_SIZ, f) == NULL) {
10573 DisplayError(_("Position not found in file"), 0);
10576 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
10577 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
10580 if (fenMode || line[0] == '#') pn--;
10582 /* skip positions before number pn */
10583 if (fgets(line, MSG_SIZ, f) == NULL) {
10585 DisplayError(_("Position not found in file"), 0);
10588 if (fenMode || line[0] == '#') pn--;
10593 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
10594 DisplayError(_("Bad FEN position in file"), 0);
10598 (void) fgets(line, MSG_SIZ, f);
10599 (void) fgets(line, MSG_SIZ, f);
10601 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
10602 (void) fgets(line, MSG_SIZ, f);
10603 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
10606 initial_position[i][j++] = CharToPiece(*p);
10610 blackPlaysFirst = FALSE;
10612 (void) fgets(line, MSG_SIZ, f);
10613 if (strncmp(line, "black", strlen("black"))==0)
10614 blackPlaysFirst = TRUE;
10617 startedFromSetupPosition = TRUE;
10619 SendToProgram("force\n", &first);
10620 CopyBoard(boards[0], initial_position);
10621 if (blackPlaysFirst) {
10622 currentMove = forwardMostMove = backwardMostMove = 1;
10623 strcpy(moveList[0], "");
10624 strcpy(parseList[0], "");
10625 CopyBoard(boards[1], initial_position);
10626 DisplayMessage("", _("Black to play"));
10628 currentMove = forwardMostMove = backwardMostMove = 0;
10629 DisplayMessage("", _("White to play"));
10631 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
10632 SendBoard(&first, forwardMostMove);
10633 if (appData.debugMode) {
10635 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
10636 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
10637 fprintf(debugFP, "Load Position\n");
10640 if (positionNumber > 1) {
10641 sprintf(line, "%s %d", title, positionNumber);
10642 DisplayTitle(line);
10644 DisplayTitle(title);
10646 gameMode = EditGame;
10649 timeRemaining[0][1] = whiteTimeRemaining;
10650 timeRemaining[1][1] = blackTimeRemaining;
10651 DrawPosition(FALSE, boards[currentMove]);
10658 CopyPlayerNameIntoFileName(dest, src)
10661 while (*src != NULLCHAR && *src != ',') {
10666 *(*dest)++ = *src++;
10671 char *DefaultFileName(ext)
10674 static char def[MSG_SIZ];
10677 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
10679 CopyPlayerNameIntoFileName(&p, gameInfo.white);
10681 CopyPlayerNameIntoFileName(&p, gameInfo.black);
10690 /* Save the current game to the given file */
10692 SaveGameToFile(filename, append)
10699 if (strcmp(filename, "-") == 0) {
10700 return SaveGame(stdout, 0, NULL);
10702 f = fopen(filename, append ? "a" : "w");
10704 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10705 DisplayError(buf, errno);
10708 return SaveGame(f, 0, NULL);
10717 static char buf[MSG_SIZ];
10720 p = strchr(str, ' ');
10721 if (p == NULL) return str;
10722 strncpy(buf, str, p - str);
10723 buf[p - str] = NULLCHAR;
10727 #define PGN_MAX_LINE 75
10729 #define PGN_SIDE_WHITE 0
10730 #define PGN_SIDE_BLACK 1
10733 static int FindFirstMoveOutOfBook( int side )
10737 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
10738 int index = backwardMostMove;
10739 int has_book_hit = 0;
10741 if( (index % 2) != side ) {
10745 while( index < forwardMostMove ) {
10746 /* Check to see if engine is in book */
10747 int depth = pvInfoList[index].depth;
10748 int score = pvInfoList[index].score;
10754 else if( score == 0 && depth == 63 ) {
10755 in_book = 1; /* Zappa */
10757 else if( score == 2 && depth == 99 ) {
10758 in_book = 1; /* Abrok */
10761 has_book_hit += in_book;
10777 void GetOutOfBookInfo( char * buf )
10781 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10783 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
10784 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
10788 if( oob[0] >= 0 || oob[1] >= 0 ) {
10789 for( i=0; i<2; i++ ) {
10793 if( i > 0 && oob[0] >= 0 ) {
10794 strcat( buf, " " );
10797 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
10798 sprintf( buf+strlen(buf), "%s%.2f",
10799 pvInfoList[idx].score >= 0 ? "+" : "",
10800 pvInfoList[idx].score / 100.0 );
10806 /* Save game in PGN style and close the file */
10811 int i, offset, linelen, newblock;
10815 int movelen, numlen, blank;
10816 char move_buffer[100]; /* [AS] Buffer for move+PV info */
10818 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10820 tm = time((time_t *) NULL);
10822 PrintPGNTags(f, &gameInfo);
10824 if (backwardMostMove > 0 || startedFromSetupPosition) {
10825 char *fen = PositionToFEN(backwardMostMove, NULL);
10826 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
10827 fprintf(f, "\n{--------------\n");
10828 PrintPosition(f, backwardMostMove);
10829 fprintf(f, "--------------}\n");
10833 /* [AS] Out of book annotation */
10834 if( appData.saveOutOfBookInfo ) {
10837 GetOutOfBookInfo( buf );
10839 if( buf[0] != '\0' ) {
10840 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
10847 i = backwardMostMove;
10851 while (i < forwardMostMove) {
10852 /* Print comments preceding this move */
10853 if (commentList[i] != NULL) {
10854 if (linelen > 0) fprintf(f, "\n");
10855 fprintf(f, "%s", commentList[i]);
10860 /* Format move number */
10861 if ((i % 2) == 0) {
10862 sprintf(numtext, "%d.", (i - offset)/2 + 1);
10865 sprintf(numtext, "%d...", (i - offset)/2 + 1);
10867 numtext[0] = NULLCHAR;
10870 numlen = strlen(numtext);
10873 /* Print move number */
10874 blank = linelen > 0 && numlen > 0;
10875 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
10884 fprintf(f, "%s", numtext);
10888 strcpy(move_buffer, SavePart(parseList[i])); // [HGM] pgn: print move via buffer, so it can be edited
10889 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
10892 blank = linelen > 0 && movelen > 0;
10893 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10902 fprintf(f, "%s", move_buffer);
10903 linelen += movelen;
10905 /* [AS] Add PV info if present */
10906 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
10907 /* [HGM] add time */
10908 char buf[MSG_SIZ]; int seconds;
10910 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
10912 if( seconds <= 0) buf[0] = 0; else
10913 if( seconds < 30 ) sprintf(buf, " %3.1f%c", seconds/10., 0); else {
10914 seconds = (seconds + 4)/10; // round to full seconds
10915 if( seconds < 60 ) sprintf(buf, " %d%c", seconds, 0); else
10916 sprintf(buf, " %d:%02d%c", seconds/60, seconds%60, 0);
10919 sprintf( move_buffer, "{%s%.2f/%d%s}",
10920 pvInfoList[i].score >= 0 ? "+" : "",
10921 pvInfoList[i].score / 100.0,
10922 pvInfoList[i].depth,
10925 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
10927 /* Print score/depth */
10928 blank = linelen > 0 && movelen > 0;
10929 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10938 fprintf(f, "%s", move_buffer);
10939 linelen += movelen;
10945 /* Start a new line */
10946 if (linelen > 0) fprintf(f, "\n");
10948 /* Print comments after last move */
10949 if (commentList[i] != NULL) {
10950 fprintf(f, "%s\n", commentList[i]);
10954 if (gameInfo.resultDetails != NULL &&
10955 gameInfo.resultDetails[0] != NULLCHAR) {
10956 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
10957 PGNResult(gameInfo.result));
10959 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10963 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10967 /* Save game in old style and close the file */
10969 SaveGameOldStyle(f)
10975 tm = time((time_t *) NULL);
10977 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
10980 if (backwardMostMove > 0 || startedFromSetupPosition) {
10981 fprintf(f, "\n[--------------\n");
10982 PrintPosition(f, backwardMostMove);
10983 fprintf(f, "--------------]\n");
10988 i = backwardMostMove;
10989 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10991 while (i < forwardMostMove) {
10992 if (commentList[i] != NULL) {
10993 fprintf(f, "[%s]\n", commentList[i]);
10996 if ((i % 2) == 1) {
10997 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
11000 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
11002 if (commentList[i] != NULL) {
11006 if (i >= forwardMostMove) {
11010 fprintf(f, "%s\n", parseList[i]);
11015 if (commentList[i] != NULL) {
11016 fprintf(f, "[%s]\n", commentList[i]);
11019 /* This isn't really the old style, but it's close enough */
11020 if (gameInfo.resultDetails != NULL &&
11021 gameInfo.resultDetails[0] != NULLCHAR) {
11022 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
11023 gameInfo.resultDetails);
11025 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11032 /* Save the current game to open file f and close the file */
11034 SaveGame(f, dummy, dummy2)
11039 if (gameMode == EditPosition) EditPositionDone(TRUE);
11040 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11041 if (appData.oldSaveStyle)
11042 return SaveGameOldStyle(f);
11044 return SaveGamePGN(f);
11047 /* Save the current position to the given file */
11049 SavePositionToFile(filename)
11055 if (strcmp(filename, "-") == 0) {
11056 return SavePosition(stdout, 0, NULL);
11058 f = fopen(filename, "a");
11060 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11061 DisplayError(buf, errno);
11064 SavePosition(f, 0, NULL);
11070 /* Save the current position to the given open file and close the file */
11072 SavePosition(f, dummy, dummy2)
11080 if (gameMode == EditPosition) EditPositionDone(TRUE);
11081 if (appData.oldSaveStyle) {
11082 tm = time((time_t *) NULL);
11084 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
11086 fprintf(f, "[--------------\n");
11087 PrintPosition(f, currentMove);
11088 fprintf(f, "--------------]\n");
11090 fen = PositionToFEN(currentMove, NULL);
11091 fprintf(f, "%s\n", fen);
11099 ReloadCmailMsgEvent(unregister)
11103 static char *inFilename = NULL;
11104 static char *outFilename;
11106 struct stat inbuf, outbuf;
11109 /* Any registered moves are unregistered if unregister is set, */
11110 /* i.e. invoked by the signal handler */
11112 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11113 cmailMoveRegistered[i] = FALSE;
11114 if (cmailCommentList[i] != NULL) {
11115 free(cmailCommentList[i]);
11116 cmailCommentList[i] = NULL;
11119 nCmailMovesRegistered = 0;
11122 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11123 cmailResult[i] = CMAIL_NOT_RESULT;
11127 if (inFilename == NULL) {
11128 /* Because the filenames are static they only get malloced once */
11129 /* and they never get freed */
11130 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
11131 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
11133 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
11134 sprintf(outFilename, "%s.out", appData.cmailGameName);
11137 status = stat(outFilename, &outbuf);
11139 cmailMailedMove = FALSE;
11141 status = stat(inFilename, &inbuf);
11142 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
11145 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
11146 counts the games, notes how each one terminated, etc.
11148 It would be nice to remove this kludge and instead gather all
11149 the information while building the game list. (And to keep it
11150 in the game list nodes instead of having a bunch of fixed-size
11151 parallel arrays.) Note this will require getting each game's
11152 termination from the PGN tags, as the game list builder does
11153 not process the game moves. --mann
11155 cmailMsgLoaded = TRUE;
11156 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
11158 /* Load first game in the file or popup game menu */
11159 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
11161 #endif /* !WIN32 */
11169 char string[MSG_SIZ];
11171 if ( cmailMailedMove
11172 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
11173 return TRUE; /* Allow free viewing */
11176 /* Unregister move to ensure that we don't leave RegisterMove */
11177 /* with the move registered when the conditions for registering no */
11179 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11180 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11181 nCmailMovesRegistered --;
11183 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
11185 free(cmailCommentList[lastLoadGameNumber - 1]);
11186 cmailCommentList[lastLoadGameNumber - 1] = NULL;
11190 if (cmailOldMove == -1) {
11191 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
11195 if (currentMove > cmailOldMove + 1) {
11196 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
11200 if (currentMove < cmailOldMove) {
11201 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
11205 if (forwardMostMove > currentMove) {
11206 /* Silently truncate extra moves */
11210 if ( (currentMove == cmailOldMove + 1)
11211 || ( (currentMove == cmailOldMove)
11212 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
11213 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
11214 if (gameInfo.result != GameUnfinished) {
11215 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
11218 if (commentList[currentMove] != NULL) {
11219 cmailCommentList[lastLoadGameNumber - 1]
11220 = StrSave(commentList[currentMove]);
11222 strcpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1]);
11224 if (appData.debugMode)
11225 fprintf(debugFP, "Saving %s for game %d\n",
11226 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11229 "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
11231 f = fopen(string, "w");
11232 if (appData.oldSaveStyle) {
11233 SaveGameOldStyle(f); /* also closes the file */
11235 sprintf(string, "%s.pos.out", appData.cmailGameName);
11236 f = fopen(string, "w");
11237 SavePosition(f, 0, NULL); /* also closes the file */
11239 fprintf(f, "{--------------\n");
11240 PrintPosition(f, currentMove);
11241 fprintf(f, "--------------}\n\n");
11243 SaveGame(f, 0, NULL); /* also closes the file*/
11246 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
11247 nCmailMovesRegistered ++;
11248 } else if (nCmailGames == 1) {
11249 DisplayError(_("You have not made a move yet"), 0);
11260 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
11261 FILE *commandOutput;
11262 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
11263 int nBytes = 0; /* Suppress warnings on uninitialized variables */
11269 if (! cmailMsgLoaded) {
11270 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
11274 if (nCmailGames == nCmailResults) {
11275 DisplayError(_("No unfinished games"), 0);
11279 #if CMAIL_PROHIBIT_REMAIL
11280 if (cmailMailedMove) {
11281 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);
11282 DisplayError(msg, 0);
11287 if (! (cmailMailedMove || RegisterMove())) return;
11289 if ( cmailMailedMove
11290 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
11291 sprintf(string, partCommandString,
11292 appData.debugMode ? " -v" : "", appData.cmailGameName);
11293 commandOutput = popen(string, "r");
11295 if (commandOutput == NULL) {
11296 DisplayError(_("Failed to invoke cmail"), 0);
11298 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
11299 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
11301 if (nBuffers > 1) {
11302 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
11303 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
11304 nBytes = MSG_SIZ - 1;
11306 (void) memcpy(msg, buffer, nBytes);
11308 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
11310 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
11311 cmailMailedMove = TRUE; /* Prevent >1 moves */
11314 for (i = 0; i < nCmailGames; i ++) {
11315 if (cmailResult[i] == CMAIL_NOT_RESULT) {
11320 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
11322 sprintf(buffer, "%s/%s.%s.archive",
11324 appData.cmailGameName,
11326 LoadGameFromFile(buffer, 1, buffer, FALSE);
11327 cmailMsgLoaded = FALSE;
11331 DisplayInformation(msg);
11332 pclose(commandOutput);
11335 if ((*cmailMsg) != '\0') {
11336 DisplayInformation(cmailMsg);
11341 #endif /* !WIN32 */
11350 int prependComma = 0;
11352 char string[MSG_SIZ]; /* Space for game-list */
11355 if (!cmailMsgLoaded) return "";
11357 if (cmailMailedMove) {
11358 sprintf(cmailMsg, _("Waiting for reply from opponent\n"));
11360 /* Create a list of games left */
11361 sprintf(string, "[");
11362 for (i = 0; i < nCmailGames; i ++) {
11363 if (! ( cmailMoveRegistered[i]
11364 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
11365 if (prependComma) {
11366 sprintf(number, ",%d", i + 1);
11368 sprintf(number, "%d", i + 1);
11372 strcat(string, number);
11375 strcat(string, "]");
11377 if (nCmailMovesRegistered + nCmailResults == 0) {
11378 switch (nCmailGames) {
11381 _("Still need to make move for game\n"));
11386 _("Still need to make moves for both games\n"));
11391 _("Still need to make moves for all %d games\n"),
11396 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
11399 _("Still need to make a move for game %s\n"),
11404 if (nCmailResults == nCmailGames) {
11405 sprintf(cmailMsg, _("No unfinished games\n"));
11407 sprintf(cmailMsg, _("Ready to send mail\n"));
11413 _("Still need to make moves for games %s\n"),
11425 if (gameMode == Training)
11426 SetTrainingModeOff();
11429 cmailMsgLoaded = FALSE;
11430 if (appData.icsActive) {
11431 SendToICS(ics_prefix);
11432 SendToICS("refresh\n");
11442 /* Give up on clean exit */
11446 /* Keep trying for clean exit */
11450 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
11452 if (telnetISR != NULL) {
11453 RemoveInputSource(telnetISR);
11455 if (icsPR != NoProc) {
11456 DestroyChildProcess(icsPR, TRUE);
11459 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
11460 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
11462 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
11463 /* make sure this other one finishes before killing it! */
11464 if(endingGame) { int count = 0;
11465 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
11466 while(endingGame && count++ < 10) DoSleep(1);
11467 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
11470 /* Kill off chess programs */
11471 if (first.pr != NoProc) {
11474 DoSleep( appData.delayBeforeQuit );
11475 SendToProgram("quit\n", &first);
11476 DoSleep( appData.delayAfterQuit );
11477 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
11479 if (second.pr != NoProc) {
11480 DoSleep( appData.delayBeforeQuit );
11481 SendToProgram("quit\n", &second);
11482 DoSleep( appData.delayAfterQuit );
11483 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
11485 if (first.isr != NULL) {
11486 RemoveInputSource(first.isr);
11488 if (second.isr != NULL) {
11489 RemoveInputSource(second.isr);
11492 ShutDownFrontEnd();
11499 if (appData.debugMode)
11500 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
11504 if (gameMode == MachinePlaysWhite ||
11505 gameMode == MachinePlaysBlack) {
11508 DisplayBothClocks();
11510 if (gameMode == PlayFromGameFile) {
11511 if (appData.timeDelay >= 0)
11512 AutoPlayGameLoop();
11513 } else if (gameMode == IcsExamining && pauseExamInvalid) {
11514 Reset(FALSE, TRUE);
11515 SendToICS(ics_prefix);
11516 SendToICS("refresh\n");
11517 } else if (currentMove < forwardMostMove) {
11518 ForwardInner(forwardMostMove);
11520 pauseExamInvalid = FALSE;
11522 switch (gameMode) {
11526 pauseExamForwardMostMove = forwardMostMove;
11527 pauseExamInvalid = FALSE;
11530 case IcsPlayingWhite:
11531 case IcsPlayingBlack:
11535 case PlayFromGameFile:
11536 (void) StopLoadGameTimer();
11540 case BeginningOfGame:
11541 if (appData.icsActive) return;
11542 /* else fall through */
11543 case MachinePlaysWhite:
11544 case MachinePlaysBlack:
11545 case TwoMachinesPlay:
11546 if (forwardMostMove == 0)
11547 return; /* don't pause if no one has moved */
11548 if ((gameMode == MachinePlaysWhite &&
11549 !WhiteOnMove(forwardMostMove)) ||
11550 (gameMode == MachinePlaysBlack &&
11551 WhiteOnMove(forwardMostMove))) {
11564 char title[MSG_SIZ];
11566 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
11567 strcpy(title, _("Edit comment"));
11569 sprintf(title, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
11570 WhiteOnMove(currentMove - 1) ? " " : ".. ",
11571 parseList[currentMove - 1]);
11574 EditCommentPopUp(currentMove, title, commentList[currentMove]);
11581 char *tags = PGNTags(&gameInfo);
11582 EditTagsPopUp(tags);
11589 if (appData.noChessProgram || gameMode == AnalyzeMode)
11592 if (gameMode != AnalyzeFile) {
11593 if (!appData.icsEngineAnalyze) {
11595 if (gameMode != EditGame) return;
11597 ResurrectChessProgram();
11598 SendToProgram("analyze\n", &first);
11599 first.analyzing = TRUE;
11600 /*first.maybeThinking = TRUE;*/
11601 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11602 EngineOutputPopUp();
11604 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
11609 StartAnalysisClock();
11610 GetTimeMark(&lastNodeCountTime);
11617 if (appData.noChessProgram || gameMode == AnalyzeFile)
11620 if (gameMode != AnalyzeMode) {
11622 if (gameMode != EditGame) return;
11623 ResurrectChessProgram();
11624 SendToProgram("analyze\n", &first);
11625 first.analyzing = TRUE;
11626 /*first.maybeThinking = TRUE;*/
11627 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11628 EngineOutputPopUp();
11630 gameMode = AnalyzeFile;
11635 StartAnalysisClock();
11636 GetTimeMark(&lastNodeCountTime);
11641 MachineWhiteEvent()
11644 char *bookHit = NULL;
11646 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
11650 if (gameMode == PlayFromGameFile ||
11651 gameMode == TwoMachinesPlay ||
11652 gameMode == Training ||
11653 gameMode == AnalyzeMode ||
11654 gameMode == EndOfGame)
11657 if (gameMode == EditPosition)
11658 EditPositionDone(TRUE);
11660 if (!WhiteOnMove(currentMove)) {
11661 DisplayError(_("It is not White's turn"), 0);
11665 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11668 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11669 gameMode == AnalyzeFile)
11672 ResurrectChessProgram(); /* in case it isn't running */
11673 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
11674 gameMode = MachinePlaysWhite;
11677 gameMode = MachinePlaysWhite;
11681 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11683 if (first.sendName) {
11684 sprintf(buf, "name %s\n", gameInfo.black);
11685 SendToProgram(buf, &first);
11687 if (first.sendTime) {
11688 if (first.useColors) {
11689 SendToProgram("black\n", &first); /*gnu kludge*/
11691 SendTimeRemaining(&first, TRUE);
11693 if (first.useColors) {
11694 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
11696 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11697 SetMachineThinkingEnables();
11698 first.maybeThinking = TRUE;
11702 if (appData.autoFlipView && !flipView) {
11703 flipView = !flipView;
11704 DrawPosition(FALSE, NULL);
11705 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11708 if(bookHit) { // [HGM] book: simulate book reply
11709 static char bookMove[MSG_SIZ]; // a bit generous?
11711 programStats.nodes = programStats.depth = programStats.time =
11712 programStats.score = programStats.got_only_move = 0;
11713 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11715 strcpy(bookMove, "move ");
11716 strcat(bookMove, bookHit);
11717 HandleMachineMove(bookMove, &first);
11722 MachineBlackEvent()
11725 char *bookHit = NULL;
11727 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
11731 if (gameMode == PlayFromGameFile ||
11732 gameMode == TwoMachinesPlay ||
11733 gameMode == Training ||
11734 gameMode == AnalyzeMode ||
11735 gameMode == EndOfGame)
11738 if (gameMode == EditPosition)
11739 EditPositionDone(TRUE);
11741 if (WhiteOnMove(currentMove)) {
11742 DisplayError(_("It is not Black's turn"), 0);
11746 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11749 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11750 gameMode == AnalyzeFile)
11753 ResurrectChessProgram(); /* in case it isn't running */
11754 gameMode = MachinePlaysBlack;
11758 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11760 if (first.sendName) {
11761 sprintf(buf, "name %s\n", gameInfo.white);
11762 SendToProgram(buf, &first);
11764 if (first.sendTime) {
11765 if (first.useColors) {
11766 SendToProgram("white\n", &first); /*gnu kludge*/
11768 SendTimeRemaining(&first, FALSE);
11770 if (first.useColors) {
11771 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
11773 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11774 SetMachineThinkingEnables();
11775 first.maybeThinking = TRUE;
11778 if (appData.autoFlipView && flipView) {
11779 flipView = !flipView;
11780 DrawPosition(FALSE, NULL);
11781 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11783 if(bookHit) { // [HGM] book: simulate book reply
11784 static char bookMove[MSG_SIZ]; // a bit generous?
11786 programStats.nodes = programStats.depth = programStats.time =
11787 programStats.score = programStats.got_only_move = 0;
11788 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11790 strcpy(bookMove, "move ");
11791 strcat(bookMove, bookHit);
11792 HandleMachineMove(bookMove, &first);
11798 DisplayTwoMachinesTitle()
11801 if (appData.matchGames > 0) {
11802 if (first.twoMachinesColor[0] == 'w') {
11803 sprintf(buf, "%s vs. %s (%d-%d-%d)",
11804 gameInfo.white, gameInfo.black,
11805 first.matchWins, second.matchWins,
11806 matchGame - 1 - (first.matchWins + second.matchWins));
11808 sprintf(buf, "%s vs. %s (%d-%d-%d)",
11809 gameInfo.white, gameInfo.black,
11810 second.matchWins, first.matchWins,
11811 matchGame - 1 - (first.matchWins + second.matchWins));
11814 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11820 TwoMachinesEvent P((void))
11824 ChessProgramState *onmove;
11825 char *bookHit = NULL;
11827 if (appData.noChessProgram) return;
11829 switch (gameMode) {
11830 case TwoMachinesPlay:
11832 case MachinePlaysWhite:
11833 case MachinePlaysBlack:
11834 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11835 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11839 case BeginningOfGame:
11840 case PlayFromGameFile:
11843 if (gameMode != EditGame) return;
11846 EditPositionDone(TRUE);
11857 // forwardMostMove = currentMove;
11858 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
11859 ResurrectChessProgram(); /* in case first program isn't running */
11861 if (second.pr == NULL) {
11862 StartChessProgram(&second);
11863 if (second.protocolVersion == 1) {
11864 TwoMachinesEventIfReady();
11866 /* kludge: allow timeout for initial "feature" command */
11868 DisplayMessage("", _("Starting second chess program"));
11869 ScheduleDelayedEvent(TwoMachinesEventIfReady, FEATURE_TIMEOUT);
11873 DisplayMessage("", "");
11874 InitChessProgram(&second, FALSE);
11875 SendToProgram("force\n", &second);
11876 if (startedFromSetupPosition) {
11877 SendBoard(&second, backwardMostMove);
11878 if (appData.debugMode) {
11879 fprintf(debugFP, "Two Machines\n");
11882 for (i = backwardMostMove; i < forwardMostMove; i++) {
11883 SendMoveToProgram(i, &second);
11886 gameMode = TwoMachinesPlay;
11890 DisplayTwoMachinesTitle();
11892 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
11898 SendToProgram(first.computerString, &first);
11899 if (first.sendName) {
11900 sprintf(buf, "name %s\n", second.tidy);
11901 SendToProgram(buf, &first);
11903 SendToProgram(second.computerString, &second);
11904 if (second.sendName) {
11905 sprintf(buf, "name %s\n", first.tidy);
11906 SendToProgram(buf, &second);
11910 if (!first.sendTime || !second.sendTime) {
11911 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11912 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11914 if (onmove->sendTime) {
11915 if (onmove->useColors) {
11916 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
11918 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
11920 if (onmove->useColors) {
11921 SendToProgram(onmove->twoMachinesColor, onmove);
11923 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
11924 // SendToProgram("go\n", onmove);
11925 onmove->maybeThinking = TRUE;
11926 SetMachineThinkingEnables();
11930 if(bookHit) { // [HGM] book: simulate book reply
11931 static char bookMove[MSG_SIZ]; // a bit generous?
11933 programStats.nodes = programStats.depth = programStats.time =
11934 programStats.score = programStats.got_only_move = 0;
11935 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11937 strcpy(bookMove, "move ");
11938 strcat(bookMove, bookHit);
11939 savedMessage = bookMove; // args for deferred call
11940 savedState = onmove;
11941 ScheduleDelayedEvent(DeferredBookMove, 1);
11948 if (gameMode == Training) {
11949 SetTrainingModeOff();
11950 gameMode = PlayFromGameFile;
11951 DisplayMessage("", _("Training mode off"));
11953 gameMode = Training;
11954 animateTraining = appData.animate;
11956 /* make sure we are not already at the end of the game */
11957 if (currentMove < forwardMostMove) {
11958 SetTrainingModeOn();
11959 DisplayMessage("", _("Training mode on"));
11961 gameMode = PlayFromGameFile;
11962 DisplayError(_("Already at end of game"), 0);
11971 if (!appData.icsActive) return;
11972 switch (gameMode) {
11973 case IcsPlayingWhite:
11974 case IcsPlayingBlack:
11977 case BeginningOfGame:
11985 EditPositionDone(TRUE);
11998 gameMode = IcsIdle;
12009 switch (gameMode) {
12011 SetTrainingModeOff();
12013 case MachinePlaysWhite:
12014 case MachinePlaysBlack:
12015 case BeginningOfGame:
12016 SendToProgram("force\n", &first);
12017 SetUserThinkingEnables();
12019 case PlayFromGameFile:
12020 (void) StopLoadGameTimer();
12021 if (gameFileFP != NULL) {
12026 EditPositionDone(TRUE);
12031 SendToProgram("force\n", &first);
12033 case TwoMachinesPlay:
12034 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
12035 ResurrectChessProgram();
12036 SetUserThinkingEnables();
12039 ResurrectChessProgram();
12041 case IcsPlayingBlack:
12042 case IcsPlayingWhite:
12043 DisplayError(_("Warning: You are still playing a game"), 0);
12046 DisplayError(_("Warning: You are still observing a game"), 0);
12049 DisplayError(_("Warning: You are still examining a game"), 0);
12060 first.offeredDraw = second.offeredDraw = 0;
12062 if (gameMode == PlayFromGameFile) {
12063 whiteTimeRemaining = timeRemaining[0][currentMove];
12064 blackTimeRemaining = timeRemaining[1][currentMove];
12068 if (gameMode == MachinePlaysWhite ||
12069 gameMode == MachinePlaysBlack ||
12070 gameMode == TwoMachinesPlay ||
12071 gameMode == EndOfGame) {
12072 i = forwardMostMove;
12073 while (i > currentMove) {
12074 SendToProgram("undo\n", &first);
12077 whiteTimeRemaining = timeRemaining[0][currentMove];
12078 blackTimeRemaining = timeRemaining[1][currentMove];
12079 DisplayBothClocks();
12080 if (whiteFlag || blackFlag) {
12081 whiteFlag = blackFlag = 0;
12086 gameMode = EditGame;
12093 EditPositionEvent()
12095 if (gameMode == EditPosition) {
12101 if (gameMode != EditGame) return;
12103 gameMode = EditPosition;
12106 if (currentMove > 0)
12107 CopyBoard(boards[0], boards[currentMove]);
12109 blackPlaysFirst = !WhiteOnMove(currentMove);
12111 currentMove = forwardMostMove = backwardMostMove = 0;
12112 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12119 /* [DM] icsEngineAnalyze - possible call from other functions */
12120 if (appData.icsEngineAnalyze) {
12121 appData.icsEngineAnalyze = FALSE;
12123 DisplayMessage("",_("Close ICS engine analyze..."));
12125 if (first.analysisSupport && first.analyzing) {
12126 SendToProgram("exit\n", &first);
12127 first.analyzing = FALSE;
12129 thinkOutput[0] = NULLCHAR;
12133 EditPositionDone(Boolean fakeRights)
12135 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
12137 startedFromSetupPosition = TRUE;
12138 InitChessProgram(&first, FALSE);
12139 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
12140 boards[0][EP_STATUS] = EP_NONE;
12141 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
12142 if(boards[0][0][BOARD_WIDTH>>1] == king) {
12143 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
12144 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
12145 } else boards[0][CASTLING][2] = NoRights;
12146 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
12147 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
12148 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
12149 } else boards[0][CASTLING][5] = NoRights;
12151 SendToProgram("force\n", &first);
12152 if (blackPlaysFirst) {
12153 strcpy(moveList[0], "");
12154 strcpy(parseList[0], "");
12155 currentMove = forwardMostMove = backwardMostMove = 1;
12156 CopyBoard(boards[1], boards[0]);
12158 currentMove = forwardMostMove = backwardMostMove = 0;
12160 SendBoard(&first, forwardMostMove);
12161 if (appData.debugMode) {
12162 fprintf(debugFP, "EditPosDone\n");
12165 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12166 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12167 gameMode = EditGame;
12169 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12170 ClearHighlights(); /* [AS] */
12173 /* Pause for `ms' milliseconds */
12174 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12184 } while (SubtractTimeMarks(&m2, &m1) < ms);
12187 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12189 SendMultiLineToICS(buf)
12192 char temp[MSG_SIZ+1], *p;
12199 strncpy(temp, buf, len);
12204 if (*p == '\n' || *p == '\r')
12209 strcat(temp, "\n");
12211 SendToPlayer(temp, strlen(temp));
12215 SetWhiteToPlayEvent()
12217 if (gameMode == EditPosition) {
12218 blackPlaysFirst = FALSE;
12219 DisplayBothClocks(); /* works because currentMove is 0 */
12220 } else if (gameMode == IcsExamining) {
12221 SendToICS(ics_prefix);
12222 SendToICS("tomove white\n");
12227 SetBlackToPlayEvent()
12229 if (gameMode == EditPosition) {
12230 blackPlaysFirst = TRUE;
12231 currentMove = 1; /* kludge */
12232 DisplayBothClocks();
12234 } else if (gameMode == IcsExamining) {
12235 SendToICS(ics_prefix);
12236 SendToICS("tomove black\n");
12241 EditPositionMenuEvent(selection, x, y)
12242 ChessSquare selection;
12246 ChessSquare piece = boards[0][y][x];
12248 if (gameMode != EditPosition && gameMode != IcsExamining) return;
12250 switch (selection) {
12252 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
12253 SendToICS(ics_prefix);
12254 SendToICS("bsetup clear\n");
12255 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
12256 SendToICS(ics_prefix);
12257 SendToICS("clearboard\n");
12259 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
12260 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
12261 for (y = 0; y < BOARD_HEIGHT; y++) {
12262 if (gameMode == IcsExamining) {
12263 if (boards[currentMove][y][x] != EmptySquare) {
12264 sprintf(buf, "%sx@%c%c\n", ics_prefix,
12269 boards[0][y][x] = p;
12274 if (gameMode == EditPosition) {
12275 DrawPosition(FALSE, boards[0]);
12280 SetWhiteToPlayEvent();
12284 SetBlackToPlayEvent();
12288 if (gameMode == IcsExamining) {
12289 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12290 sprintf(buf, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
12293 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12294 if(x == BOARD_LEFT-2) {
12295 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
12296 boards[0][y][1] = 0;
12298 if(x == BOARD_RGHT+1) {
12299 if(y >= gameInfo.holdingsSize) break;
12300 boards[0][y][BOARD_WIDTH-2] = 0;
12303 boards[0][y][x] = EmptySquare;
12304 DrawPosition(FALSE, boards[0]);
12309 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
12310 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
12311 selection = (ChessSquare) (PROMOTED piece);
12312 } else if(piece == EmptySquare) selection = WhiteSilver;
12313 else selection = (ChessSquare)((int)piece - 1);
12317 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
12318 piece > (int)BlackMan && piece <= (int)BlackKing ) {
12319 selection = (ChessSquare) (DEMOTED piece);
12320 } else if(piece == EmptySquare) selection = BlackSilver;
12321 else selection = (ChessSquare)((int)piece + 1);
12326 if(gameInfo.variant == VariantShatranj ||
12327 gameInfo.variant == VariantXiangqi ||
12328 gameInfo.variant == VariantCourier ||
12329 gameInfo.variant == VariantMakruk )
12330 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
12335 if(gameInfo.variant == VariantXiangqi)
12336 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
12337 if(gameInfo.variant == VariantKnightmate)
12338 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
12341 if (gameMode == IcsExamining) {
12342 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12343 sprintf(buf, "%s%c@%c%c\n", ics_prefix,
12344 PieceToChar(selection), AAA + x, ONE + y);
12347 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12349 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
12350 n = PieceToNumber(selection - BlackPawn);
12351 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
12352 boards[0][BOARD_HEIGHT-1-n][0] = selection;
12353 boards[0][BOARD_HEIGHT-1-n][1]++;
12355 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
12356 n = PieceToNumber(selection);
12357 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
12358 boards[0][n][BOARD_WIDTH-1] = selection;
12359 boards[0][n][BOARD_WIDTH-2]++;
12362 boards[0][y][x] = selection;
12363 DrawPosition(TRUE, boards[0]);
12371 DropMenuEvent(selection, x, y)
12372 ChessSquare selection;
12375 ChessMove moveType;
12377 switch (gameMode) {
12378 case IcsPlayingWhite:
12379 case MachinePlaysBlack:
12380 if (!WhiteOnMove(currentMove)) {
12381 DisplayMoveError(_("It is Black's turn"));
12384 moveType = WhiteDrop;
12386 case IcsPlayingBlack:
12387 case MachinePlaysWhite:
12388 if (WhiteOnMove(currentMove)) {
12389 DisplayMoveError(_("It is White's turn"));
12392 moveType = BlackDrop;
12395 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
12401 if (moveType == BlackDrop && selection < BlackPawn) {
12402 selection = (ChessSquare) ((int) selection
12403 + (int) BlackPawn - (int) WhitePawn);
12405 if (boards[currentMove][y][x] != EmptySquare) {
12406 DisplayMoveError(_("That square is occupied"));
12410 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
12416 /* Accept a pending offer of any kind from opponent */
12418 if (appData.icsActive) {
12419 SendToICS(ics_prefix);
12420 SendToICS("accept\n");
12421 } else if (cmailMsgLoaded) {
12422 if (currentMove == cmailOldMove &&
12423 commentList[cmailOldMove] != NULL &&
12424 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12425 "Black offers a draw" : "White offers a draw")) {
12427 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12428 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12430 DisplayError(_("There is no pending offer on this move"), 0);
12431 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12434 /* Not used for offers from chess program */
12441 /* Decline a pending offer of any kind from opponent */
12443 if (appData.icsActive) {
12444 SendToICS(ics_prefix);
12445 SendToICS("decline\n");
12446 } else if (cmailMsgLoaded) {
12447 if (currentMove == cmailOldMove &&
12448 commentList[cmailOldMove] != NULL &&
12449 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12450 "Black offers a draw" : "White offers a draw")) {
12452 AppendComment(cmailOldMove, "Draw declined", TRUE);
12453 DisplayComment(cmailOldMove - 1, "Draw declined");
12456 DisplayError(_("There is no pending offer on this move"), 0);
12459 /* Not used for offers from chess program */
12466 /* Issue ICS rematch command */
12467 if (appData.icsActive) {
12468 SendToICS(ics_prefix);
12469 SendToICS("rematch\n");
12476 /* Call your opponent's flag (claim a win on time) */
12477 if (appData.icsActive) {
12478 SendToICS(ics_prefix);
12479 SendToICS("flag\n");
12481 switch (gameMode) {
12484 case MachinePlaysWhite:
12487 GameEnds(GameIsDrawn, "Both players ran out of time",
12490 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
12492 DisplayError(_("Your opponent is not out of time"), 0);
12495 case MachinePlaysBlack:
12498 GameEnds(GameIsDrawn, "Both players ran out of time",
12501 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
12503 DisplayError(_("Your opponent is not out of time"), 0);
12513 /* Offer draw or accept pending draw offer from opponent */
12515 if (appData.icsActive) {
12516 /* Note: tournament rules require draw offers to be
12517 made after you make your move but before you punch
12518 your clock. Currently ICS doesn't let you do that;
12519 instead, you immediately punch your clock after making
12520 a move, but you can offer a draw at any time. */
12522 SendToICS(ics_prefix);
12523 SendToICS("draw\n");
12524 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
12525 } else if (cmailMsgLoaded) {
12526 if (currentMove == cmailOldMove &&
12527 commentList[cmailOldMove] != NULL &&
12528 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12529 "Black offers a draw" : "White offers a draw")) {
12530 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12531 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12532 } else if (currentMove == cmailOldMove + 1) {
12533 char *offer = WhiteOnMove(cmailOldMove) ?
12534 "White offers a draw" : "Black offers a draw";
12535 AppendComment(currentMove, offer, TRUE);
12536 DisplayComment(currentMove - 1, offer);
12537 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
12539 DisplayError(_("You must make your move before offering a draw"), 0);
12540 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12542 } else if (first.offeredDraw) {
12543 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
12545 if (first.sendDrawOffers) {
12546 SendToProgram("draw\n", &first);
12547 userOfferedDraw = TRUE;
12555 /* Offer Adjourn or accept pending Adjourn offer from opponent */
12557 if (appData.icsActive) {
12558 SendToICS(ics_prefix);
12559 SendToICS("adjourn\n");
12561 /* Currently GNU Chess doesn't offer or accept Adjourns */
12569 /* Offer Abort or accept pending Abort offer from opponent */
12571 if (appData.icsActive) {
12572 SendToICS(ics_prefix);
12573 SendToICS("abort\n");
12575 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
12582 /* Resign. You can do this even if it's not your turn. */
12584 if (appData.icsActive) {
12585 SendToICS(ics_prefix);
12586 SendToICS("resign\n");
12588 switch (gameMode) {
12589 case MachinePlaysWhite:
12590 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12592 case MachinePlaysBlack:
12593 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12596 if (cmailMsgLoaded) {
12598 if (WhiteOnMove(cmailOldMove)) {
12599 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12601 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12603 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
12614 StopObservingEvent()
12616 /* Stop observing current games */
12617 SendToICS(ics_prefix);
12618 SendToICS("unobserve\n");
12622 StopExaminingEvent()
12624 /* Stop observing current game */
12625 SendToICS(ics_prefix);
12626 SendToICS("unexamine\n");
12630 ForwardInner(target)
12635 if (appData.debugMode)
12636 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
12637 target, currentMove, forwardMostMove);
12639 if (gameMode == EditPosition)
12642 if (gameMode == PlayFromGameFile && !pausing)
12645 if (gameMode == IcsExamining && pausing)
12646 limit = pauseExamForwardMostMove;
12648 limit = forwardMostMove;
12650 if (target > limit) target = limit;
12652 if (target > 0 && moveList[target - 1][0]) {
12653 int fromX, fromY, toX, toY;
12654 toX = moveList[target - 1][2] - AAA;
12655 toY = moveList[target - 1][3] - ONE;
12656 if (moveList[target - 1][1] == '@') {
12657 if (appData.highlightLastMove) {
12658 SetHighlights(-1, -1, toX, toY);
12661 fromX = moveList[target - 1][0] - AAA;
12662 fromY = moveList[target - 1][1] - ONE;
12663 if (target == currentMove + 1) {
12664 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12666 if (appData.highlightLastMove) {
12667 SetHighlights(fromX, fromY, toX, toY);
12671 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12672 gameMode == Training || gameMode == PlayFromGameFile ||
12673 gameMode == AnalyzeFile) {
12674 while (currentMove < target) {
12675 SendMoveToProgram(currentMove++, &first);
12678 currentMove = target;
12681 if (gameMode == EditGame || gameMode == EndOfGame) {
12682 whiteTimeRemaining = timeRemaining[0][currentMove];
12683 blackTimeRemaining = timeRemaining[1][currentMove];
12685 DisplayBothClocks();
12686 DisplayMove(currentMove - 1);
12687 DrawPosition(FALSE, boards[currentMove]);
12688 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12689 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
12690 DisplayComment(currentMove - 1, commentList[currentMove]);
12698 if (gameMode == IcsExamining && !pausing) {
12699 SendToICS(ics_prefix);
12700 SendToICS("forward\n");
12702 ForwardInner(currentMove + 1);
12709 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12710 /* to optimze, we temporarily turn off analysis mode while we feed
12711 * the remaining moves to the engine. Otherwise we get analysis output
12714 if (first.analysisSupport) {
12715 SendToProgram("exit\nforce\n", &first);
12716 first.analyzing = FALSE;
12720 if (gameMode == IcsExamining && !pausing) {
12721 SendToICS(ics_prefix);
12722 SendToICS("forward 999999\n");
12724 ForwardInner(forwardMostMove);
12727 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12728 /* we have fed all the moves, so reactivate analysis mode */
12729 SendToProgram("analyze\n", &first);
12730 first.analyzing = TRUE;
12731 /*first.maybeThinking = TRUE;*/
12732 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12737 BackwardInner(target)
12740 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
12742 if (appData.debugMode)
12743 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
12744 target, currentMove, forwardMostMove);
12746 if (gameMode == EditPosition) return;
12747 if (currentMove <= backwardMostMove) {
12749 DrawPosition(full_redraw, boards[currentMove]);
12752 if (gameMode == PlayFromGameFile && !pausing)
12755 if (moveList[target][0]) {
12756 int fromX, fromY, toX, toY;
12757 toX = moveList[target][2] - AAA;
12758 toY = moveList[target][3] - ONE;
12759 if (moveList[target][1] == '@') {
12760 if (appData.highlightLastMove) {
12761 SetHighlights(-1, -1, toX, toY);
12764 fromX = moveList[target][0] - AAA;
12765 fromY = moveList[target][1] - ONE;
12766 if (target == currentMove - 1) {
12767 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
12769 if (appData.highlightLastMove) {
12770 SetHighlights(fromX, fromY, toX, toY);
12774 if (gameMode == EditGame || gameMode==AnalyzeMode ||
12775 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
12776 while (currentMove > target) {
12777 SendToProgram("undo\n", &first);
12781 currentMove = target;
12784 if (gameMode == EditGame || gameMode == EndOfGame) {
12785 whiteTimeRemaining = timeRemaining[0][currentMove];
12786 blackTimeRemaining = timeRemaining[1][currentMove];
12788 DisplayBothClocks();
12789 DisplayMove(currentMove - 1);
12790 DrawPosition(full_redraw, boards[currentMove]);
12791 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12792 // [HGM] PV info: routine tests if comment empty
12793 DisplayComment(currentMove - 1, commentList[currentMove]);
12799 if (gameMode == IcsExamining && !pausing) {
12800 SendToICS(ics_prefix);
12801 SendToICS("backward\n");
12803 BackwardInner(currentMove - 1);
12810 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12811 /* to optimize, we temporarily turn off analysis mode while we undo
12812 * all the moves. Otherwise we get analysis output after each undo.
12814 if (first.analysisSupport) {
12815 SendToProgram("exit\nforce\n", &first);
12816 first.analyzing = FALSE;
12820 if (gameMode == IcsExamining && !pausing) {
12821 SendToICS(ics_prefix);
12822 SendToICS("backward 999999\n");
12824 BackwardInner(backwardMostMove);
12827 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12828 /* we have fed all the moves, so reactivate analysis mode */
12829 SendToProgram("analyze\n", &first);
12830 first.analyzing = TRUE;
12831 /*first.maybeThinking = TRUE;*/
12832 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12839 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
12840 if (to >= forwardMostMove) to = forwardMostMove;
12841 if (to <= backwardMostMove) to = backwardMostMove;
12842 if (to < currentMove) {
12850 RevertEvent(Boolean annotate)
12852 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
12855 if (gameMode != IcsExamining) {
12856 DisplayError(_("You are not examining a game"), 0);
12860 DisplayError(_("You can't revert while pausing"), 0);
12863 SendToICS(ics_prefix);
12864 SendToICS("revert\n");
12870 switch (gameMode) {
12871 case MachinePlaysWhite:
12872 case MachinePlaysBlack:
12873 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12874 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12877 if (forwardMostMove < 2) return;
12878 currentMove = forwardMostMove = forwardMostMove - 2;
12879 whiteTimeRemaining = timeRemaining[0][currentMove];
12880 blackTimeRemaining = timeRemaining[1][currentMove];
12881 DisplayBothClocks();
12882 DisplayMove(currentMove - 1);
12883 ClearHighlights();/*!! could figure this out*/
12884 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
12885 SendToProgram("remove\n", &first);
12886 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
12889 case BeginningOfGame:
12893 case IcsPlayingWhite:
12894 case IcsPlayingBlack:
12895 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
12896 SendToICS(ics_prefix);
12897 SendToICS("takeback 2\n");
12899 SendToICS(ics_prefix);
12900 SendToICS("takeback 1\n");
12909 ChessProgramState *cps;
12911 switch (gameMode) {
12912 case MachinePlaysWhite:
12913 if (!WhiteOnMove(forwardMostMove)) {
12914 DisplayError(_("It is your turn"), 0);
12919 case MachinePlaysBlack:
12920 if (WhiteOnMove(forwardMostMove)) {
12921 DisplayError(_("It is your turn"), 0);
12926 case TwoMachinesPlay:
12927 if (WhiteOnMove(forwardMostMove) ==
12928 (first.twoMachinesColor[0] == 'w')) {
12934 case BeginningOfGame:
12938 SendToProgram("?\n", cps);
12942 TruncateGameEvent()
12945 if (gameMode != EditGame) return;
12952 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
12953 if (forwardMostMove > currentMove) {
12954 if (gameInfo.resultDetails != NULL) {
12955 free(gameInfo.resultDetails);
12956 gameInfo.resultDetails = NULL;
12957 gameInfo.result = GameUnfinished;
12959 forwardMostMove = currentMove;
12960 HistorySet(parseList, backwardMostMove, forwardMostMove,
12968 if (appData.noChessProgram) return;
12969 switch (gameMode) {
12970 case MachinePlaysWhite:
12971 if (WhiteOnMove(forwardMostMove)) {
12972 DisplayError(_("Wait until your turn"), 0);
12976 case BeginningOfGame:
12977 case MachinePlaysBlack:
12978 if (!WhiteOnMove(forwardMostMove)) {
12979 DisplayError(_("Wait until your turn"), 0);
12984 DisplayError(_("No hint available"), 0);
12987 SendToProgram("hint\n", &first);
12988 hintRequested = TRUE;
12994 if (appData.noChessProgram) return;
12995 switch (gameMode) {
12996 case MachinePlaysWhite:
12997 if (WhiteOnMove(forwardMostMove)) {
12998 DisplayError(_("Wait until your turn"), 0);
13002 case BeginningOfGame:
13003 case MachinePlaysBlack:
13004 if (!WhiteOnMove(forwardMostMove)) {
13005 DisplayError(_("Wait until your turn"), 0);
13010 EditPositionDone(TRUE);
13012 case TwoMachinesPlay:
13017 SendToProgram("bk\n", &first);
13018 bookOutput[0] = NULLCHAR;
13019 bookRequested = TRUE;
13025 char *tags = PGNTags(&gameInfo);
13026 TagsPopUp(tags, CmailMsg());
13030 /* end button procedures */
13033 PrintPosition(fp, move)
13039 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13040 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
13041 char c = PieceToChar(boards[move][i][j]);
13042 fputc(c == 'x' ? '.' : c, fp);
13043 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
13046 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
13047 fprintf(fp, "white to play\n");
13049 fprintf(fp, "black to play\n");
13056 if (gameInfo.white != NULL) {
13057 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
13063 /* Find last component of program's own name, using some heuristics */
13065 TidyProgramName(prog, host, buf)
13066 char *prog, *host, buf[MSG_SIZ];
13069 int local = (strcmp(host, "localhost") == 0);
13070 while (!local && (p = strchr(prog, ';')) != NULL) {
13072 while (*p == ' ') p++;
13075 if (*prog == '"' || *prog == '\'') {
13076 q = strchr(prog + 1, *prog);
13078 q = strchr(prog, ' ');
13080 if (q == NULL) q = prog + strlen(prog);
13082 while (p >= prog && *p != '/' && *p != '\\') p--;
13084 if(p == prog && *p == '"') p++;
13085 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
13086 memcpy(buf, p, q - p);
13087 buf[q - p] = NULLCHAR;
13095 TimeControlTagValue()
13098 if (!appData.clockMode) {
13100 } else if (movesPerSession > 0) {
13101 sprintf(buf, "%d/%ld", movesPerSession, timeControl/1000);
13102 } else if (timeIncrement == 0) {
13103 sprintf(buf, "%ld", timeControl/1000);
13105 sprintf(buf, "%ld+%ld", timeControl/1000, timeIncrement/1000);
13107 return StrSave(buf);
13113 /* This routine is used only for certain modes */
13114 VariantClass v = gameInfo.variant;
13115 ChessMove r = GameUnfinished;
13118 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
13119 r = gameInfo.result;
13120 p = gameInfo.resultDetails;
13121 gameInfo.resultDetails = NULL;
13123 ClearGameInfo(&gameInfo);
13124 gameInfo.variant = v;
13126 switch (gameMode) {
13127 case MachinePlaysWhite:
13128 gameInfo.event = StrSave( appData.pgnEventHeader );
13129 gameInfo.site = StrSave(HostName());
13130 gameInfo.date = PGNDate();
13131 gameInfo.round = StrSave("-");
13132 gameInfo.white = StrSave(first.tidy);
13133 gameInfo.black = StrSave(UserName());
13134 gameInfo.timeControl = TimeControlTagValue();
13137 case MachinePlaysBlack:
13138 gameInfo.event = StrSave( appData.pgnEventHeader );
13139 gameInfo.site = StrSave(HostName());
13140 gameInfo.date = PGNDate();
13141 gameInfo.round = StrSave("-");
13142 gameInfo.white = StrSave(UserName());
13143 gameInfo.black = StrSave(first.tidy);
13144 gameInfo.timeControl = TimeControlTagValue();
13147 case TwoMachinesPlay:
13148 gameInfo.event = StrSave( appData.pgnEventHeader );
13149 gameInfo.site = StrSave(HostName());
13150 gameInfo.date = PGNDate();
13151 if (matchGame > 0) {
13153 sprintf(buf, "%d", matchGame);
13154 gameInfo.round = StrSave(buf);
13156 gameInfo.round = StrSave("-");
13158 if (first.twoMachinesColor[0] == 'w') {
13159 gameInfo.white = StrSave(first.tidy);
13160 gameInfo.black = StrSave(second.tidy);
13162 gameInfo.white = StrSave(second.tidy);
13163 gameInfo.black = StrSave(first.tidy);
13165 gameInfo.timeControl = TimeControlTagValue();
13169 gameInfo.event = StrSave("Edited game");
13170 gameInfo.site = StrSave(HostName());
13171 gameInfo.date = PGNDate();
13172 gameInfo.round = StrSave("-");
13173 gameInfo.white = StrSave("-");
13174 gameInfo.black = StrSave("-");
13175 gameInfo.result = r;
13176 gameInfo.resultDetails = p;
13180 gameInfo.event = StrSave("Edited position");
13181 gameInfo.site = StrSave(HostName());
13182 gameInfo.date = PGNDate();
13183 gameInfo.round = StrSave("-");
13184 gameInfo.white = StrSave("-");
13185 gameInfo.black = StrSave("-");
13188 case IcsPlayingWhite:
13189 case IcsPlayingBlack:
13194 case PlayFromGameFile:
13195 gameInfo.event = StrSave("Game from non-PGN file");
13196 gameInfo.site = StrSave(HostName());
13197 gameInfo.date = PGNDate();
13198 gameInfo.round = StrSave("-");
13199 gameInfo.white = StrSave("?");
13200 gameInfo.black = StrSave("?");
13209 ReplaceComment(index, text)
13215 while (*text == '\n') text++;
13216 len = strlen(text);
13217 while (len > 0 && text[len - 1] == '\n') len--;
13219 if (commentList[index] != NULL)
13220 free(commentList[index]);
13223 commentList[index] = NULL;
13226 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
13227 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
13228 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
13229 commentList[index] = (char *) malloc(len + 2);
13230 strncpy(commentList[index], text, len);
13231 commentList[index][len] = '\n';
13232 commentList[index][len + 1] = NULLCHAR;
13234 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
13236 commentList[index] = (char *) malloc(len + 6);
13237 strcpy(commentList[index], "{\n");
13238 strncpy(commentList[index]+2, text, len);
13239 commentList[index][len+2] = NULLCHAR;
13240 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
13241 strcat(commentList[index], "\n}\n");
13255 if (ch == '\r') continue;
13257 } while (ch != '\0');
13261 AppendComment(index, text, addBraces)
13264 Boolean addBraces; // [HGM] braces: tells if we should add {}
13269 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
13270 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
13273 while (*text == '\n') text++;
13274 len = strlen(text);
13275 while (len > 0 && text[len - 1] == '\n') len--;
13277 if (len == 0) return;
13279 if (commentList[index] != NULL) {
13280 old = commentList[index];
13281 oldlen = strlen(old);
13282 while(commentList[index][oldlen-1] == '\n')
13283 commentList[index][--oldlen] = NULLCHAR;
13284 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
13285 strcpy(commentList[index], old);
13287 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
13288 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces)) {
13289 if(addBraces) addBraces = FALSE; else { text++; len--; }
13290 while (*text == '\n') { text++; len--; }
13291 commentList[index][--oldlen] = NULLCHAR;
13293 if(addBraces) strcat(commentList[index], "\n{\n");
13294 else strcat(commentList[index], "\n");
13295 strcat(commentList[index], text);
13296 if(addBraces) strcat(commentList[index], "\n}\n");
13297 else strcat(commentList[index], "\n");
13299 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
13301 strcpy(commentList[index], "{\n");
13302 else commentList[index][0] = NULLCHAR;
13303 strcat(commentList[index], text);
13304 strcat(commentList[index], "\n");
13305 if(addBraces) strcat(commentList[index], "}\n");
13309 static char * FindStr( char * text, char * sub_text )
13311 char * result = strstr( text, sub_text );
13313 if( result != NULL ) {
13314 result += strlen( sub_text );
13320 /* [AS] Try to extract PV info from PGN comment */
13321 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
13322 char *GetInfoFromComment( int index, char * text )
13326 if( text != NULL && index > 0 ) {
13329 int time = -1, sec = 0, deci;
13330 char * s_eval = FindStr( text, "[%eval " );
13331 char * s_emt = FindStr( text, "[%emt " );
13333 if( s_eval != NULL || s_emt != NULL ) {
13337 if( s_eval != NULL ) {
13338 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
13342 if( delim != ']' ) {
13347 if( s_emt != NULL ) {
13352 /* We expect something like: [+|-]nnn.nn/dd */
13355 if(*text != '{') return text; // [HGM] braces: must be normal comment
13357 sep = strchr( text, '/' );
13358 if( sep == NULL || sep < (text+4) ) {
13362 time = -1; sec = -1; deci = -1;
13363 if( sscanf( text+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
13364 sscanf( text+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
13365 sscanf( text+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
13366 sscanf( text+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
13370 if( score_lo < 0 || score_lo >= 100 ) {
13374 if(sec >= 0) time = 600*time + 10*sec; else
13375 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
13377 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
13379 /* [HGM] PV time: now locate end of PV info */
13380 while( *++sep >= '0' && *sep <= '9'); // strip depth
13382 while( *++sep >= '0' && *sep <= '9'); // strip time
13384 while( *++sep >= '0' && *sep <= '9'); // strip seconds
13386 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
13387 while(*sep == ' ') sep++;
13398 pvInfoList[index-1].depth = depth;
13399 pvInfoList[index-1].score = score;
13400 pvInfoList[index-1].time = 10*time; // centi-sec
13401 if(*sep == '}') *sep = 0; else *--sep = '{';
13407 SendToProgram(message, cps)
13409 ChessProgramState *cps;
13411 int count, outCount, error;
13414 if (cps->pr == NULL) return;
13417 if (appData.debugMode) {
13420 fprintf(debugFP, "%ld >%-6s: %s",
13421 SubtractTimeMarks(&now, &programStartTime),
13422 cps->which, message);
13425 count = strlen(message);
13426 outCount = OutputToProcess(cps->pr, message, count, &error);
13427 if (outCount < count && !exiting
13428 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
13429 sprintf(buf, _("Error writing to %s chess program"), cps->which);
13430 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13431 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13432 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13433 sprintf(buf, "%s program exits in draw position (%s)", cps->which, cps->program);
13435 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13437 gameInfo.resultDetails = StrSave(buf);
13439 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13444 ReceiveFromProgram(isr, closure, message, count, error)
13445 InputSourceRef isr;
13453 ChessProgramState *cps = (ChessProgramState *)closure;
13455 if (isr != cps->isr) return; /* Killed intentionally */
13459 _("Error: %s chess program (%s) exited unexpectedly"),
13460 cps->which, cps->program);
13461 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13462 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13463 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13464 sprintf(buf, _("%s program exits in draw position (%s)"), cps->which, cps->program);
13466 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13468 gameInfo.resultDetails = StrSave(buf);
13470 RemoveInputSource(cps->isr);
13471 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
13474 _("Error reading from %s chess program (%s)"),
13475 cps->which, cps->program);
13476 RemoveInputSource(cps->isr);
13478 /* [AS] Program is misbehaving badly... kill it */
13479 if( count == -2 ) {
13480 DestroyChildProcess( cps->pr, 9 );
13484 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13489 if ((end_str = strchr(message, '\r')) != NULL)
13490 *end_str = NULLCHAR;
13491 if ((end_str = strchr(message, '\n')) != NULL)
13492 *end_str = NULLCHAR;
13494 if (appData.debugMode) {
13495 TimeMark now; int print = 1;
13496 char *quote = ""; char c; int i;
13498 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
13499 char start = message[0];
13500 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
13501 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
13502 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
13503 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
13504 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
13505 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
13506 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
13507 sscanf(message, "pong %c", &c)!=1 && start != '#') {
13508 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
13509 print = (appData.engineComments >= 2);
13511 message[0] = start; // restore original message
13515 fprintf(debugFP, "%ld <%-6s: %s%s\n",
13516 SubtractTimeMarks(&now, &programStartTime), cps->which,
13522 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
13523 if (appData.icsEngineAnalyze) {
13524 if (strstr(message, "whisper") != NULL ||
13525 strstr(message, "kibitz") != NULL ||
13526 strstr(message, "tellics") != NULL) return;
13529 HandleMachineMove(message, cps);
13534 SendTimeControl(cps, mps, tc, inc, sd, st)
13535 ChessProgramState *cps;
13536 int mps, inc, sd, st;
13542 if( timeControl_2 > 0 ) {
13543 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
13544 tc = timeControl_2;
13547 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
13548 inc /= cps->timeOdds;
13549 st /= cps->timeOdds;
13551 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
13554 /* Set exact time per move, normally using st command */
13555 if (cps->stKludge) {
13556 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
13558 if (seconds == 0) {
13559 sprintf(buf, "level 1 %d\n", st/60);
13561 sprintf(buf, "level 1 %d:%02d\n", st/60, seconds);
13564 sprintf(buf, "st %d\n", st);
13567 /* Set conventional or incremental time control, using level command */
13568 if (seconds == 0) {
13569 /* Note old gnuchess bug -- minutes:seconds used to not work.
13570 Fixed in later versions, but still avoid :seconds
13571 when seconds is 0. */
13572 sprintf(buf, "level %d %ld %d\n", mps, tc/60000, inc/1000);
13574 sprintf(buf, "level %d %ld:%02d %d\n", mps, tc/60000,
13575 seconds, inc/1000);
13578 SendToProgram(buf, cps);
13580 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
13581 /* Orthogonally, limit search to given depth */
13583 if (cps->sdKludge) {
13584 sprintf(buf, "depth\n%d\n", sd);
13586 sprintf(buf, "sd %d\n", sd);
13588 SendToProgram(buf, cps);
13591 if(cps->nps > 0) { /* [HGM] nps */
13592 if(cps->supportsNPS == FALSE) cps->nps = -1; // don't use if engine explicitly says not supported!
13594 sprintf(buf, "nps %d\n", cps->nps);
13595 SendToProgram(buf, cps);
13600 ChessProgramState *WhitePlayer()
13601 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
13603 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
13604 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
13610 SendTimeRemaining(cps, machineWhite)
13611 ChessProgramState *cps;
13612 int /*boolean*/ machineWhite;
13614 char message[MSG_SIZ];
13617 /* Note: this routine must be called when the clocks are stopped
13618 or when they have *just* been set or switched; otherwise
13619 it will be off by the time since the current tick started.
13621 if (machineWhite) {
13622 time = whiteTimeRemaining / 10;
13623 otime = blackTimeRemaining / 10;
13625 time = blackTimeRemaining / 10;
13626 otime = whiteTimeRemaining / 10;
13628 /* [HGM] translate opponent's time by time-odds factor */
13629 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
13630 if (appData.debugMode) {
13631 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
13634 if (time <= 0) time = 1;
13635 if (otime <= 0) otime = 1;
13637 sprintf(message, "time %ld\n", time);
13638 SendToProgram(message, cps);
13640 sprintf(message, "otim %ld\n", otime);
13641 SendToProgram(message, cps);
13645 BoolFeature(p, name, loc, cps)
13649 ChessProgramState *cps;
13652 int len = strlen(name);
13654 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13656 sscanf(*p, "%d", &val);
13658 while (**p && **p != ' ') (*p)++;
13659 sprintf(buf, "accepted %s\n", name);
13660 SendToProgram(buf, cps);
13667 IntFeature(p, name, loc, cps)
13671 ChessProgramState *cps;
13674 int len = strlen(name);
13675 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13677 sscanf(*p, "%d", loc);
13678 while (**p && **p != ' ') (*p)++;
13679 sprintf(buf, "accepted %s\n", name);
13680 SendToProgram(buf, cps);
13687 StringFeature(p, name, loc, cps)
13691 ChessProgramState *cps;
13694 int len = strlen(name);
13695 if (strncmp((*p), name, len) == 0
13696 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
13698 sscanf(*p, "%[^\"]", loc);
13699 while (**p && **p != '\"') (*p)++;
13700 if (**p == '\"') (*p)++;
13701 sprintf(buf, "accepted %s\n", name);
13702 SendToProgram(buf, cps);
13709 ParseOption(Option *opt, ChessProgramState *cps)
13710 // [HGM] options: process the string that defines an engine option, and determine
13711 // name, type, default value, and allowed value range
13713 char *p, *q, buf[MSG_SIZ];
13714 int n, min = (-1)<<31, max = 1<<31, def;
13716 if(p = strstr(opt->name, " -spin ")) {
13717 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13718 if(max < min) max = min; // enforce consistency
13719 if(def < min) def = min;
13720 if(def > max) def = max;
13725 } else if((p = strstr(opt->name, " -slider "))) {
13726 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
13727 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13728 if(max < min) max = min; // enforce consistency
13729 if(def < min) def = min;
13730 if(def > max) def = max;
13734 opt->type = Spin; // Slider;
13735 } else if((p = strstr(opt->name, " -string "))) {
13736 opt->textValue = p+9;
13737 opt->type = TextBox;
13738 } else if((p = strstr(opt->name, " -file "))) {
13739 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13740 opt->textValue = p+7;
13741 opt->type = TextBox; // FileName;
13742 } else if((p = strstr(opt->name, " -path "))) {
13743 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13744 opt->textValue = p+7;
13745 opt->type = TextBox; // PathName;
13746 } else if(p = strstr(opt->name, " -check ")) {
13747 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
13748 opt->value = (def != 0);
13749 opt->type = CheckBox;
13750 } else if(p = strstr(opt->name, " -combo ")) {
13751 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
13752 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
13753 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
13754 opt->value = n = 0;
13755 while(q = StrStr(q, " /// ")) {
13756 n++; *q = 0; // count choices, and null-terminate each of them
13758 if(*q == '*') { // remember default, which is marked with * prefix
13762 cps->comboList[cps->comboCnt++] = q;
13764 cps->comboList[cps->comboCnt++] = NULL;
13766 opt->type = ComboBox;
13767 } else if(p = strstr(opt->name, " -button")) {
13768 opt->type = Button;
13769 } else if(p = strstr(opt->name, " -save")) {
13770 opt->type = SaveButton;
13771 } else return FALSE;
13772 *p = 0; // terminate option name
13773 // now look if the command-line options define a setting for this engine option.
13774 if(cps->optionSettings && cps->optionSettings[0])
13775 p = strstr(cps->optionSettings, opt->name); else p = NULL;
13776 if(p && (p == cps->optionSettings || p[-1] == ',')) {
13777 sprintf(buf, "option %s", p);
13778 if(p = strstr(buf, ",")) *p = 0;
13780 SendToProgram(buf, cps);
13786 FeatureDone(cps, val)
13787 ChessProgramState* cps;
13790 DelayedEventCallback cb = GetDelayedEvent();
13791 if ((cb == InitBackEnd3 && cps == &first) ||
13792 (cb == TwoMachinesEventIfReady && cps == &second)) {
13793 CancelDelayedEvent();
13794 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
13796 cps->initDone = val;
13799 /* Parse feature command from engine */
13801 ParseFeatures(args, cps)
13803 ChessProgramState *cps;
13811 while (*p == ' ') p++;
13812 if (*p == NULLCHAR) return;
13814 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
13815 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
13816 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
13817 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
13818 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
13819 if (BoolFeature(&p, "reuse", &val, cps)) {
13820 /* Engine can disable reuse, but can't enable it if user said no */
13821 if (!val) cps->reuse = FALSE;
13824 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
13825 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
13826 if (gameMode == TwoMachinesPlay) {
13827 DisplayTwoMachinesTitle();
13833 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
13834 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
13835 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
13836 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
13837 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
13838 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
13839 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
13840 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
13841 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
13842 if (IntFeature(&p, "done", &val, cps)) {
13843 FeatureDone(cps, val);
13846 /* Added by Tord: */
13847 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
13848 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
13849 /* End of additions by Tord */
13851 /* [HGM] added features: */
13852 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
13853 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
13854 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
13855 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
13856 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13857 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
13858 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
13859 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
13860 sprintf(buf, "rejected option %s\n", cps->option[--cps->nrOptions].name);
13861 SendToProgram(buf, cps);
13864 if(cps->nrOptions >= MAX_OPTIONS) {
13866 sprintf(buf, "%s engine has too many options\n", cps->which);
13867 DisplayError(buf, 0);
13871 /* End of additions by HGM */
13873 /* unknown feature: complain and skip */
13875 while (*q && *q != '=') q++;
13876 sprintf(buf, "rejected %.*s\n", (int)(q-p), p);
13877 SendToProgram(buf, cps);
13883 while (*p && *p != '\"') p++;
13884 if (*p == '\"') p++;
13886 while (*p && *p != ' ') p++;
13894 PeriodicUpdatesEvent(newState)
13897 if (newState == appData.periodicUpdates)
13900 appData.periodicUpdates=newState;
13902 /* Display type changes, so update it now */
13903 // DisplayAnalysis();
13905 /* Get the ball rolling again... */
13907 AnalysisPeriodicEvent(1);
13908 StartAnalysisClock();
13913 PonderNextMoveEvent(newState)
13916 if (newState == appData.ponderNextMove) return;
13917 if (gameMode == EditPosition) EditPositionDone(TRUE);
13919 SendToProgram("hard\n", &first);
13920 if (gameMode == TwoMachinesPlay) {
13921 SendToProgram("hard\n", &second);
13924 SendToProgram("easy\n", &first);
13925 thinkOutput[0] = NULLCHAR;
13926 if (gameMode == TwoMachinesPlay) {
13927 SendToProgram("easy\n", &second);
13930 appData.ponderNextMove = newState;
13934 NewSettingEvent(option, feature, command, value)
13936 int option, value, *feature;
13940 if (gameMode == EditPosition) EditPositionDone(TRUE);
13941 sprintf(buf, "%s%s %d\n", (option ? "option ": ""), command, value);
13942 if(feature == NULL || *feature) SendToProgram(buf, &first);
13943 if (gameMode == TwoMachinesPlay) {
13944 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
13949 ShowThinkingEvent()
13950 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
13952 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
13953 int newState = appData.showThinking
13954 // [HGM] thinking: other features now need thinking output as well
13955 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
13957 if (oldState == newState) return;
13958 oldState = newState;
13959 if (gameMode == EditPosition) EditPositionDone(TRUE);
13961 SendToProgram("post\n", &first);
13962 if (gameMode == TwoMachinesPlay) {
13963 SendToProgram("post\n", &second);
13966 SendToProgram("nopost\n", &first);
13967 thinkOutput[0] = NULLCHAR;
13968 if (gameMode == TwoMachinesPlay) {
13969 SendToProgram("nopost\n", &second);
13972 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
13976 AskQuestionEvent(title, question, replyPrefix, which)
13977 char *title; char *question; char *replyPrefix; char *which;
13979 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
13980 if (pr == NoProc) return;
13981 AskQuestion(title, question, replyPrefix, pr);
13985 DisplayMove(moveNumber)
13988 char message[MSG_SIZ];
13990 char cpThinkOutput[MSG_SIZ];
13992 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
13994 if (moveNumber == forwardMostMove - 1 ||
13995 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13997 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput));
13999 if (strchr(cpThinkOutput, '\n')) {
14000 *strchr(cpThinkOutput, '\n') = NULLCHAR;
14003 *cpThinkOutput = NULLCHAR;
14006 /* [AS] Hide thinking from human user */
14007 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
14008 *cpThinkOutput = NULLCHAR;
14009 if( thinkOutput[0] != NULLCHAR ) {
14012 for( i=0; i<=hiddenThinkOutputState; i++ ) {
14013 cpThinkOutput[i] = '.';
14015 cpThinkOutput[i] = NULLCHAR;
14016 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
14020 if (moveNumber == forwardMostMove - 1 &&
14021 gameInfo.resultDetails != NULL) {
14022 if (gameInfo.resultDetails[0] == NULLCHAR) {
14023 sprintf(res, " %s", PGNResult(gameInfo.result));
14025 sprintf(res, " {%s} %s",
14026 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
14032 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14033 DisplayMessage(res, cpThinkOutput);
14035 sprintf(message, "%d.%s%s%s", moveNumber / 2 + 1,
14036 WhiteOnMove(moveNumber) ? " " : ".. ",
14037 parseList[moveNumber], res);
14038 DisplayMessage(message, cpThinkOutput);
14043 DisplayComment(moveNumber, text)
14047 char title[MSG_SIZ];
14048 char buf[8000]; // comment can be long!
14051 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14052 strcpy(title, "Comment");
14054 sprintf(title, "Comment on %d.%s%s", moveNumber / 2 + 1,
14055 WhiteOnMove(moveNumber) ? " " : ".. ",
14056 parseList[moveNumber]);
14058 // [HGM] PV info: display PV info together with (or as) comment
14059 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
14060 if(text == NULL) text = "";
14061 score = pvInfoList[moveNumber].score;
14062 sprintf(buf, "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
14063 depth, (pvInfoList[moveNumber].time+50)/100, text);
14066 if (text != NULL && (appData.autoDisplayComment || commentUp))
14067 CommentPopUp(title, text);
14070 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
14071 * might be busy thinking or pondering. It can be omitted if your
14072 * gnuchess is configured to stop thinking immediately on any user
14073 * input. However, that gnuchess feature depends on the FIONREAD
14074 * ioctl, which does not work properly on some flavors of Unix.
14078 ChessProgramState *cps;
14081 if (!cps->useSigint) return;
14082 if (appData.noChessProgram || (cps->pr == NoProc)) return;
14083 switch (gameMode) {
14084 case MachinePlaysWhite:
14085 case MachinePlaysBlack:
14086 case TwoMachinesPlay:
14087 case IcsPlayingWhite:
14088 case IcsPlayingBlack:
14091 /* Skip if we know it isn't thinking */
14092 if (!cps->maybeThinking) return;
14093 if (appData.debugMode)
14094 fprintf(debugFP, "Interrupting %s\n", cps->which);
14095 InterruptChildProcess(cps->pr);
14096 cps->maybeThinking = FALSE;
14101 #endif /*ATTENTION*/
14107 if (whiteTimeRemaining <= 0) {
14110 if (appData.icsActive) {
14111 if (appData.autoCallFlag &&
14112 gameMode == IcsPlayingBlack && !blackFlag) {
14113 SendToICS(ics_prefix);
14114 SendToICS("flag\n");
14118 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14120 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
14121 if (appData.autoCallFlag) {
14122 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
14129 if (blackTimeRemaining <= 0) {
14132 if (appData.icsActive) {
14133 if (appData.autoCallFlag &&
14134 gameMode == IcsPlayingWhite && !whiteFlag) {
14135 SendToICS(ics_prefix);
14136 SendToICS("flag\n");
14140 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14142 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
14143 if (appData.autoCallFlag) {
14144 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
14157 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
14158 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
14161 * add time to clocks when time control is achieved ([HGM] now also used for increment)
14163 if ( !WhiteOnMove(forwardMostMove) )
14164 /* White made time control */
14165 whiteTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
14166 /* [HGM] time odds: correct new time quota for time odds! */
14167 / WhitePlayer()->timeOdds;
14169 /* Black made time control */
14170 blackTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
14171 / WhitePlayer()->other->timeOdds;
14175 DisplayBothClocks()
14177 int wom = gameMode == EditPosition ?
14178 !blackPlaysFirst : WhiteOnMove(currentMove);
14179 DisplayWhiteClock(whiteTimeRemaining, wom);
14180 DisplayBlackClock(blackTimeRemaining, !wom);
14184 /* Timekeeping seems to be a portability nightmare. I think everyone
14185 has ftime(), but I'm really not sure, so I'm including some ifdefs
14186 to use other calls if you don't. Clocks will be less accurate if
14187 you have neither ftime nor gettimeofday.
14190 /* VS 2008 requires the #include outside of the function */
14191 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
14192 #include <sys/timeb.h>
14195 /* Get the current time as a TimeMark */
14200 #if HAVE_GETTIMEOFDAY
14202 struct timeval timeVal;
14203 struct timezone timeZone;
14205 gettimeofday(&timeVal, &timeZone);
14206 tm->sec = (long) timeVal.tv_sec;
14207 tm->ms = (int) (timeVal.tv_usec / 1000L);
14209 #else /*!HAVE_GETTIMEOFDAY*/
14212 // include <sys/timeb.h> / moved to just above start of function
14213 struct timeb timeB;
14216 tm->sec = (long) timeB.time;
14217 tm->ms = (int) timeB.millitm;
14219 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
14220 tm->sec = (long) time(NULL);
14226 /* Return the difference in milliseconds between two
14227 time marks. We assume the difference will fit in a long!
14230 SubtractTimeMarks(tm2, tm1)
14231 TimeMark *tm2, *tm1;
14233 return 1000L*(tm2->sec - tm1->sec) +
14234 (long) (tm2->ms - tm1->ms);
14239 * Code to manage the game clocks.
14241 * In tournament play, black starts the clock and then white makes a move.
14242 * We give the human user a slight advantage if he is playing white---the
14243 * clocks don't run until he makes his first move, so it takes zero time.
14244 * Also, we don't account for network lag, so we could get out of sync
14245 * with GNU Chess's clock -- but then, referees are always right.
14248 static TimeMark tickStartTM;
14249 static long intendedTickLength;
14252 NextTickLength(timeRemaining)
14253 long timeRemaining;
14255 long nominalTickLength, nextTickLength;
14257 if (timeRemaining > 0L && timeRemaining <= 10000L)
14258 nominalTickLength = 100L;
14260 nominalTickLength = 1000L;
14261 nextTickLength = timeRemaining % nominalTickLength;
14262 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
14264 return nextTickLength;
14267 /* Adjust clock one minute up or down */
14269 AdjustClock(Boolean which, int dir)
14271 if(which) blackTimeRemaining += 60000*dir;
14272 else whiteTimeRemaining += 60000*dir;
14273 DisplayBothClocks();
14276 /* Stop clocks and reset to a fresh time control */
14280 (void) StopClockTimer();
14281 if (appData.icsActive) {
14282 whiteTimeRemaining = blackTimeRemaining = 0;
14283 } else if (searchTime) {
14284 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14285 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14286 } else { /* [HGM] correct new time quote for time odds */
14287 whiteTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->timeOdds;
14288 blackTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->other->timeOdds;
14290 if (whiteFlag || blackFlag) {
14292 whiteFlag = blackFlag = FALSE;
14294 DisplayBothClocks();
14297 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
14299 /* Decrement running clock by amount of time that has passed */
14303 long timeRemaining;
14304 long lastTickLength, fudge;
14307 if (!appData.clockMode) return;
14308 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
14312 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14314 /* Fudge if we woke up a little too soon */
14315 fudge = intendedTickLength - lastTickLength;
14316 if (fudge < 0 || fudge > FUDGE) fudge = 0;
14318 if (WhiteOnMove(forwardMostMove)) {
14319 if(whiteNPS >= 0) lastTickLength = 0;
14320 timeRemaining = whiteTimeRemaining -= lastTickLength;
14321 DisplayWhiteClock(whiteTimeRemaining - fudge,
14322 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14324 if(blackNPS >= 0) lastTickLength = 0;
14325 timeRemaining = blackTimeRemaining -= lastTickLength;
14326 DisplayBlackClock(blackTimeRemaining - fudge,
14327 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14330 if (CheckFlags()) return;
14333 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
14334 StartClockTimer(intendedTickLength);
14336 /* if the time remaining has fallen below the alarm threshold, sound the
14337 * alarm. if the alarm has sounded and (due to a takeback or time control
14338 * with increment) the time remaining has increased to a level above the
14339 * threshold, reset the alarm so it can sound again.
14342 if (appData.icsActive && appData.icsAlarm) {
14344 /* make sure we are dealing with the user's clock */
14345 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
14346 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
14349 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
14350 alarmSounded = FALSE;
14351 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
14353 alarmSounded = TRUE;
14359 /* A player has just moved, so stop the previously running
14360 clock and (if in clock mode) start the other one.
14361 We redisplay both clocks in case we're in ICS mode, because
14362 ICS gives us an update to both clocks after every move.
14363 Note that this routine is called *after* forwardMostMove
14364 is updated, so the last fractional tick must be subtracted
14365 from the color that is *not* on move now.
14368 SwitchClocks(int newMoveNr)
14370 long lastTickLength;
14372 int flagged = FALSE;
14376 if (StopClockTimer() && appData.clockMode) {
14377 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14378 if (!WhiteOnMove(forwardMostMove)) {
14379 if(blackNPS >= 0) lastTickLength = 0;
14380 blackTimeRemaining -= lastTickLength;
14381 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14382 // if(pvInfoList[forwardMostMove-1].time == -1)
14383 pvInfoList[forwardMostMove-1].time = // use GUI time
14384 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
14386 if(whiteNPS >= 0) lastTickLength = 0;
14387 whiteTimeRemaining -= lastTickLength;
14388 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14389 // if(pvInfoList[forwardMostMove-1].time == -1)
14390 pvInfoList[forwardMostMove-1].time =
14391 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
14393 flagged = CheckFlags();
14395 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
14396 CheckTimeControl();
14398 if (flagged || !appData.clockMode) return;
14400 switch (gameMode) {
14401 case MachinePlaysBlack:
14402 case MachinePlaysWhite:
14403 case BeginningOfGame:
14404 if (pausing) return;
14408 case PlayFromGameFile:
14416 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
14417 if(WhiteOnMove(forwardMostMove))
14418 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14419 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14423 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14424 whiteTimeRemaining : blackTimeRemaining);
14425 StartClockTimer(intendedTickLength);
14429 /* Stop both clocks */
14433 long lastTickLength;
14436 if (!StopClockTimer()) return;
14437 if (!appData.clockMode) return;
14441 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14442 if (WhiteOnMove(forwardMostMove)) {
14443 if(whiteNPS >= 0) lastTickLength = 0;
14444 whiteTimeRemaining -= lastTickLength;
14445 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
14447 if(blackNPS >= 0) lastTickLength = 0;
14448 blackTimeRemaining -= lastTickLength;
14449 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
14454 /* Start clock of player on move. Time may have been reset, so
14455 if clock is already running, stop and restart it. */
14459 (void) StopClockTimer(); /* in case it was running already */
14460 DisplayBothClocks();
14461 if (CheckFlags()) return;
14463 if (!appData.clockMode) return;
14464 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
14466 GetTimeMark(&tickStartTM);
14467 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14468 whiteTimeRemaining : blackTimeRemaining);
14470 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
14471 whiteNPS = blackNPS = -1;
14472 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
14473 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
14474 whiteNPS = first.nps;
14475 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
14476 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
14477 blackNPS = first.nps;
14478 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
14479 whiteNPS = second.nps;
14480 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
14481 blackNPS = second.nps;
14482 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
14484 StartClockTimer(intendedTickLength);
14491 long second, minute, hour, day;
14493 static char buf[32];
14495 if (ms > 0 && ms <= 9900) {
14496 /* convert milliseconds to tenths, rounding up */
14497 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
14499 sprintf(buf, " %03.1f ", tenths/10.0);
14503 /* convert milliseconds to seconds, rounding up */
14504 /* use floating point to avoid strangeness of integer division
14505 with negative dividends on many machines */
14506 second = (long) floor(((double) (ms + 999L)) / 1000.0);
14513 day = second / (60 * 60 * 24);
14514 second = second % (60 * 60 * 24);
14515 hour = second / (60 * 60);
14516 second = second % (60 * 60);
14517 minute = second / 60;
14518 second = second % 60;
14521 sprintf(buf, " %s%ld:%02ld:%02ld:%02ld ",
14522 sign, day, hour, minute, second);
14524 sprintf(buf, " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
14526 sprintf(buf, " %s%2ld:%02ld ", sign, minute, second);
14533 * This is necessary because some C libraries aren't ANSI C compliant yet.
14536 StrStr(string, match)
14537 char *string, *match;
14541 length = strlen(match);
14543 for (i = strlen(string) - length; i >= 0; i--, string++)
14544 if (!strncmp(match, string, length))
14551 StrCaseStr(string, match)
14552 char *string, *match;
14556 length = strlen(match);
14558 for (i = strlen(string) - length; i >= 0; i--, string++) {
14559 for (j = 0; j < length; j++) {
14560 if (ToLower(match[j]) != ToLower(string[j]))
14563 if (j == length) return string;
14577 c1 = ToLower(*s1++);
14578 c2 = ToLower(*s2++);
14579 if (c1 > c2) return 1;
14580 if (c1 < c2) return -1;
14581 if (c1 == NULLCHAR) return 0;
14590 return isupper(c) ? tolower(c) : c;
14598 return islower(c) ? toupper(c) : c;
14600 #endif /* !_amigados */
14608 if ((ret = (char *) malloc(strlen(s) + 1))) {
14615 StrSavePtr(s, savePtr)
14616 char *s, **savePtr;
14621 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
14622 strcpy(*savePtr, s);
14634 clock = time((time_t *)NULL);
14635 tm = localtime(&clock);
14636 sprintf(buf, "%04d.%02d.%02d",
14637 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
14638 return StrSave(buf);
14643 PositionToFEN(move, overrideCastling)
14645 char *overrideCastling;
14647 int i, j, fromX, fromY, toX, toY;
14654 whiteToPlay = (gameMode == EditPosition) ?
14655 !blackPlaysFirst : (move % 2 == 0);
14658 /* Piece placement data */
14659 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14661 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14662 if (boards[move][i][j] == EmptySquare) {
14664 } else { ChessSquare piece = boards[move][i][j];
14665 if (emptycount > 0) {
14666 if(emptycount<10) /* [HGM] can be >= 10 */
14667 *p++ = '0' + emptycount;
14668 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14671 if(PieceToChar(piece) == '+') {
14672 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
14674 piece = (ChessSquare)(DEMOTED piece);
14676 *p++ = PieceToChar(piece);
14678 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
14679 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
14684 if (emptycount > 0) {
14685 if(emptycount<10) /* [HGM] can be >= 10 */
14686 *p++ = '0' + emptycount;
14687 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14694 /* [HGM] print Crazyhouse or Shogi holdings */
14695 if( gameInfo.holdingsWidth ) {
14696 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
14698 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
14699 piece = boards[move][i][BOARD_WIDTH-1];
14700 if( piece != EmptySquare )
14701 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
14702 *p++ = PieceToChar(piece);
14704 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
14705 piece = boards[move][BOARD_HEIGHT-i-1][0];
14706 if( piece != EmptySquare )
14707 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
14708 *p++ = PieceToChar(piece);
14711 if( q == p ) *p++ = '-';
14717 *p++ = whiteToPlay ? 'w' : 'b';
14720 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
14721 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
14723 if(nrCastlingRights) {
14725 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
14726 /* [HGM] write directly from rights */
14727 if(boards[move][CASTLING][2] != NoRights &&
14728 boards[move][CASTLING][0] != NoRights )
14729 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
14730 if(boards[move][CASTLING][2] != NoRights &&
14731 boards[move][CASTLING][1] != NoRights )
14732 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
14733 if(boards[move][CASTLING][5] != NoRights &&
14734 boards[move][CASTLING][3] != NoRights )
14735 *p++ = boards[move][CASTLING][3] + AAA;
14736 if(boards[move][CASTLING][5] != NoRights &&
14737 boards[move][CASTLING][4] != NoRights )
14738 *p++ = boards[move][CASTLING][4] + AAA;
14741 /* [HGM] write true castling rights */
14742 if( nrCastlingRights == 6 ) {
14743 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
14744 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
14745 if(boards[move][CASTLING][1] == BOARD_LEFT &&
14746 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
14747 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
14748 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
14749 if(boards[move][CASTLING][4] == BOARD_LEFT &&
14750 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
14753 if (q == p) *p++ = '-'; /* No castling rights */
14757 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14758 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14759 /* En passant target square */
14760 if (move > backwardMostMove) {
14761 fromX = moveList[move - 1][0] - AAA;
14762 fromY = moveList[move - 1][1] - ONE;
14763 toX = moveList[move - 1][2] - AAA;
14764 toY = moveList[move - 1][3] - ONE;
14765 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
14766 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
14767 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
14769 /* 2-square pawn move just happened */
14771 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14775 } else if(move == backwardMostMove) {
14776 // [HGM] perhaps we should always do it like this, and forget the above?
14777 if((signed char)boards[move][EP_STATUS] >= 0) {
14778 *p++ = boards[move][EP_STATUS] + AAA;
14779 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14790 /* [HGM] find reversible plies */
14791 { int i = 0, j=move;
14793 if (appData.debugMode) { int k;
14794 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
14795 for(k=backwardMostMove; k<=forwardMostMove; k++)
14796 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
14800 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
14801 if( j == backwardMostMove ) i += initialRulePlies;
14802 sprintf(p, "%d ", i);
14803 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
14805 /* Fullmove number */
14806 sprintf(p, "%d", (move / 2) + 1);
14808 return StrSave(buf);
14812 ParseFEN(board, blackPlaysFirst, fen)
14814 int *blackPlaysFirst;
14824 /* [HGM] by default clear Crazyhouse holdings, if present */
14825 if(gameInfo.holdingsWidth) {
14826 for(i=0; i<BOARD_HEIGHT; i++) {
14827 board[i][0] = EmptySquare; /* black holdings */
14828 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
14829 board[i][1] = (ChessSquare) 0; /* black counts */
14830 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
14834 /* Piece placement data */
14835 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14838 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
14839 if (*p == '/') p++;
14840 emptycount = gameInfo.boardWidth - j;
14841 while (emptycount--)
14842 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14844 #if(BOARD_FILES >= 10)
14845 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
14846 p++; emptycount=10;
14847 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14848 while (emptycount--)
14849 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14851 } else if (isdigit(*p)) {
14852 emptycount = *p++ - '0';
14853 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
14854 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14855 while (emptycount--)
14856 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14857 } else if (*p == '+' || isalpha(*p)) {
14858 if (j >= gameInfo.boardWidth) return FALSE;
14860 piece = CharToPiece(*++p);
14861 if(piece == EmptySquare) return FALSE; /* unknown piece */
14862 piece = (ChessSquare) (PROMOTED piece ); p++;
14863 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
14864 } else piece = CharToPiece(*p++);
14866 if(piece==EmptySquare) return FALSE; /* unknown piece */
14867 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
14868 piece = (ChessSquare) (PROMOTED piece);
14869 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
14872 board[i][(j++)+gameInfo.holdingsWidth] = piece;
14878 while (*p == '/' || *p == ' ') p++;
14880 /* [HGM] look for Crazyhouse holdings here */
14881 while(*p==' ') p++;
14882 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
14884 if(*p == '-' ) *p++; /* empty holdings */ else {
14885 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
14886 /* if we would allow FEN reading to set board size, we would */
14887 /* have to add holdings and shift the board read so far here */
14888 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
14890 if((int) piece >= (int) BlackPawn ) {
14891 i = (int)piece - (int)BlackPawn;
14892 i = PieceToNumber((ChessSquare)i);
14893 if( i >= gameInfo.holdingsSize ) return FALSE;
14894 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
14895 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
14897 i = (int)piece - (int)WhitePawn;
14898 i = PieceToNumber((ChessSquare)i);
14899 if( i >= gameInfo.holdingsSize ) return FALSE;
14900 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
14901 board[i][BOARD_WIDTH-2]++; /* black holdings */
14905 if(*p == ']') *p++;
14908 while(*p == ' ') p++;
14912 if(appData.colorNickNames) {
14913 if( c == appData.colorNickNames[0] ) c = 'w'; else
14914 if( c == appData.colorNickNames[1] ) c = 'b';
14918 *blackPlaysFirst = FALSE;
14921 *blackPlaysFirst = TRUE;
14927 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
14928 /* return the extra info in global variiables */
14930 /* set defaults in case FEN is incomplete */
14931 board[EP_STATUS] = EP_UNKNOWN;
14932 for(i=0; i<nrCastlingRights; i++ ) {
14933 board[CASTLING][i] =
14934 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
14935 } /* assume possible unless obviously impossible */
14936 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
14937 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
14938 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
14939 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
14940 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
14941 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
14942 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
14943 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
14946 while(*p==' ') p++;
14947 if(nrCastlingRights) {
14948 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
14949 /* castling indicator present, so default becomes no castlings */
14950 for(i=0; i<nrCastlingRights; i++ ) {
14951 board[CASTLING][i] = NoRights;
14954 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
14955 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
14956 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
14957 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
14958 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
14960 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
14961 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
14962 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
14964 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
14965 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
14966 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
14967 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
14968 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
14969 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
14972 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
14973 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
14974 board[CASTLING][2] = whiteKingFile;
14977 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
14978 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
14979 board[CASTLING][2] = whiteKingFile;
14982 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
14983 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
14984 board[CASTLING][5] = blackKingFile;
14987 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
14988 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
14989 board[CASTLING][5] = blackKingFile;
14992 default: /* FRC castlings */
14993 if(c >= 'a') { /* black rights */
14994 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
14995 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
14996 if(i == BOARD_RGHT) break;
14997 board[CASTLING][5] = i;
14999 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
15000 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
15002 board[CASTLING][3] = c;
15004 board[CASTLING][4] = c;
15005 } else { /* white rights */
15006 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15007 if(board[0][i] == WhiteKing) break;
15008 if(i == BOARD_RGHT) break;
15009 board[CASTLING][2] = i;
15010 c -= AAA - 'a' + 'A';
15011 if(board[0][c] >= WhiteKing) break;
15013 board[CASTLING][0] = c;
15015 board[CASTLING][1] = c;
15019 for(i=0; i<nrCastlingRights; i++)
15020 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
15021 if (appData.debugMode) {
15022 fprintf(debugFP, "FEN castling rights:");
15023 for(i=0; i<nrCastlingRights; i++)
15024 fprintf(debugFP, " %d", board[CASTLING][i]);
15025 fprintf(debugFP, "\n");
15028 while(*p==' ') p++;
15031 /* read e.p. field in games that know e.p. capture */
15032 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
15033 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
15035 p++; board[EP_STATUS] = EP_NONE;
15037 char c = *p++ - AAA;
15039 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
15040 if(*p >= '0' && *p <='9') *p++;
15041 board[EP_STATUS] = c;
15046 if(sscanf(p, "%d", &i) == 1) {
15047 FENrulePlies = i; /* 50-move ply counter */
15048 /* (The move number is still ignored) */
15055 EditPositionPasteFEN(char *fen)
15058 Board initial_position;
15060 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
15061 DisplayError(_("Bad FEN position in clipboard"), 0);
15064 int savedBlackPlaysFirst = blackPlaysFirst;
15065 EditPositionEvent();
15066 blackPlaysFirst = savedBlackPlaysFirst;
15067 CopyBoard(boards[0], initial_position);
15068 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
15069 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
15070 DisplayBothClocks();
15071 DrawPosition(FALSE, boards[currentMove]);
15076 static char cseq[12] = "\\ ";
15078 Boolean set_cont_sequence(char *new_seq)
15083 // handle bad attempts to set the sequence
15085 return 0; // acceptable error - no debug
15087 len = strlen(new_seq);
15088 ret = (len > 0) && (len < sizeof(cseq));
15090 strcpy(cseq, new_seq);
15091 else if (appData.debugMode)
15092 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
15097 reformat a source message so words don't cross the width boundary. internal
15098 newlines are not removed. returns the wrapped size (no null character unless
15099 included in source message). If dest is NULL, only calculate the size required
15100 for the dest buffer. lp argument indicats line position upon entry, and it's
15101 passed back upon exit.
15103 int wrap(char *dest, char *src, int count, int width, int *lp)
15105 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
15107 cseq_len = strlen(cseq);
15108 old_line = line = *lp;
15109 ansi = len = clen = 0;
15111 for (i=0; i < count; i++)
15113 if (src[i] == '\033')
15116 // if we hit the width, back up
15117 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
15119 // store i & len in case the word is too long
15120 old_i = i, old_len = len;
15122 // find the end of the last word
15123 while (i && src[i] != ' ' && src[i] != '\n')
15129 // word too long? restore i & len before splitting it
15130 if ((old_i-i+clen) >= width)
15137 if (i && src[i-1] == ' ')
15140 if (src[i] != ' ' && src[i] != '\n')
15147 // now append the newline and continuation sequence
15152 strncpy(dest+len, cseq, cseq_len);
15160 dest[len] = src[i];
15164 if (src[i] == '\n')
15169 if (dest && appData.debugMode)
15171 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
15172 count, width, line, len, *lp);
15173 show_bytes(debugFP, src, count);
15174 fprintf(debugFP, "\ndest: ");
15175 show_bytes(debugFP, dest, len);
15176 fprintf(debugFP, "\n");
15178 *lp = dest ? line : old_line;
15183 // [HGM] vari: routines for shelving variations
15186 PushTail(int firstMove, int lastMove)
15188 int i, j, nrMoves = lastMove - firstMove;
15190 if(appData.icsActive) { // only in local mode
15191 forwardMostMove = currentMove; // mimic old ICS behavior
15194 if(storedGames >= MAX_VARIATIONS-1) return;
15196 // push current tail of game on stack
15197 savedResult[storedGames] = gameInfo.result;
15198 savedDetails[storedGames] = gameInfo.resultDetails;
15199 gameInfo.resultDetails = NULL;
15200 savedFirst[storedGames] = firstMove;
15201 savedLast [storedGames] = lastMove;
15202 savedFramePtr[storedGames] = framePtr;
15203 framePtr -= nrMoves; // reserve space for the boards
15204 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
15205 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
15206 for(j=0; j<MOVE_LEN; j++)
15207 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
15208 for(j=0; j<2*MOVE_LEN; j++)
15209 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
15210 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
15211 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
15212 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
15213 pvInfoList[firstMove+i-1].depth = 0;
15214 commentList[framePtr+i] = commentList[firstMove+i];
15215 commentList[firstMove+i] = NULL;
15219 forwardMostMove = firstMove; // truncate game so we can start variation
15220 if(storedGames == 1) GreyRevert(FALSE);
15224 PopTail(Boolean annotate)
15227 char buf[8000], moveBuf[20];
15229 if(appData.icsActive) return FALSE; // only in local mode
15230 if(!storedGames) return FALSE; // sanity
15231 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
15234 ToNrEvent(savedFirst[storedGames]); // sets currentMove
15235 nrMoves = savedLast[storedGames] - currentMove;
15238 if(!WhiteOnMove(currentMove)) sprintf(buf, "(%d...", currentMove+2>>1);
15239 else strcpy(buf, "(");
15240 for(i=currentMove; i<forwardMostMove; i++) {
15242 sprintf(moveBuf, " %d. %s", i+2>>1, SavePart(parseList[i]));
15243 else sprintf(moveBuf, " %s", SavePart(parseList[i]));
15244 strcat(buf, moveBuf);
15245 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
15246 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
15250 for(i=1; i<=nrMoves; i++) { // copy last variation back
15251 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
15252 for(j=0; j<MOVE_LEN; j++)
15253 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
15254 for(j=0; j<2*MOVE_LEN; j++)
15255 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
15256 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
15257 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
15258 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
15259 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
15260 commentList[currentMove+i] = commentList[framePtr+i];
15261 commentList[framePtr+i] = NULL;
15263 if(annotate) AppendComment(currentMove+1, buf, FALSE);
15264 framePtr = savedFramePtr[storedGames];
15265 gameInfo.result = savedResult[storedGames];
15266 if(gameInfo.resultDetails != NULL) {
15267 free(gameInfo.resultDetails);
15269 gameInfo.resultDetails = savedDetails[storedGames];
15270 forwardMostMove = currentMove + nrMoves;
15271 if(storedGames == 0) GreyRevert(TRUE);
15277 { // remove all shelved variations
15279 for(i=0; i<storedGames; i++) {
15280 if(savedDetails[i])
15281 free(savedDetails[i]);
15282 savedDetails[i] = NULL;
15284 for(i=framePtr; i<MAX_MOVES; i++) {
15285 if(commentList[i]) free(commentList[i]);
15286 commentList[i] = NULL;
15288 framePtr = MAX_MOVES-1;
15293 LoadVariation(int index, char *text)
15294 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
15295 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
15296 int level = 0, move;
15298 if(gameMode != EditGame && gameMode != AnalyzeMode) return;
15299 // first find outermost bracketing variation
15300 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
15301 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
15302 if(*p == '{') wait = '}'; else
15303 if(*p == '[') wait = ']'; else
15304 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
15305 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
15307 if(*p == wait) wait = NULLCHAR; // closing ]} found
15310 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
15311 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
15312 end[1] = NULLCHAR; // clip off comment beyond variation
15313 ToNrEvent(currentMove-1);
15314 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
15315 // kludge: use ParsePV() to append variation to game
15316 move = currentMove;
15317 ParsePV(start, TRUE);
15318 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
15319 ClearPremoveHighlights();
15321 ToNrEvent(currentMove+1);