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 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
5846 int fromX, fromY, toX, toY;
5850 ChessSquare pdown, pup;
5852 /* Check if the user is playing in turn. This is complicated because we
5853 let the user "pick up" a piece before it is his turn. So the piece he
5854 tried to pick up may have been captured by the time he puts it down!
5855 Therefore we use the color the user is supposed to be playing in this
5856 test, not the color of the piece that is currently on the starting
5857 square---except in EditGame mode, where the user is playing both
5858 sides; fortunately there the capture race can't happen. (It can
5859 now happen in IcsExamining mode, but that's just too bad. The user
5860 will get a somewhat confusing message in that case.)
5864 case PlayFromGameFile:
5866 case TwoMachinesPlay:
5870 /* We switched into a game mode where moves are not accepted,
5871 perhaps while the mouse button was down. */
5874 case MachinePlaysWhite:
5875 /* User is moving for Black */
5876 if (WhiteOnMove(currentMove)) {
5877 DisplayMoveError(_("It is White's turn"));
5882 case MachinePlaysBlack:
5883 /* User is moving for White */
5884 if (!WhiteOnMove(currentMove)) {
5885 DisplayMoveError(_("It is Black's turn"));
5892 case BeginningOfGame:
5895 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
5896 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
5897 /* User is moving for Black */
5898 if (WhiteOnMove(currentMove)) {
5899 DisplayMoveError(_("It is White's turn"));
5903 /* User is moving for White */
5904 if (!WhiteOnMove(currentMove)) {
5905 DisplayMoveError(_("It is Black's turn"));
5911 case IcsPlayingBlack:
5912 /* User is moving for Black */
5913 if (WhiteOnMove(currentMove)) {
5914 if (!appData.premove) {
5915 DisplayMoveError(_("It is White's turn"));
5916 } else if (toX >= 0 && toY >= 0) {
5919 premoveFromX = fromX;
5920 premoveFromY = fromY;
5921 premovePromoChar = promoChar;
5923 if (appData.debugMode)
5924 fprintf(debugFP, "Got premove: fromX %d,"
5925 "fromY %d, toX %d, toY %d\n",
5926 fromX, fromY, toX, toY);
5932 case IcsPlayingWhite:
5933 /* User is moving for White */
5934 if (!WhiteOnMove(currentMove)) {
5935 if (!appData.premove) {
5936 DisplayMoveError(_("It is Black's turn"));
5937 } else if (toX >= 0 && toY >= 0) {
5940 premoveFromX = fromX;
5941 premoveFromY = fromY;
5942 premovePromoChar = promoChar;
5944 if (appData.debugMode)
5945 fprintf(debugFP, "Got premove: fromX %d,"
5946 "fromY %d, toX %d, toY %d\n",
5947 fromX, fromY, toX, toY);
5957 /* EditPosition, empty square, or different color piece;
5958 click-click move is possible */
5959 if (toX == -2 || toY == -2) {
5960 boards[0][fromY][fromX] = EmptySquare;
5961 DrawPosition(FALSE, boards[currentMove]);
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 DrawPosition(FALSE, boards[currentMove]);
5984 if(toX < 0 || toY < 0) return;
5985 pdown = boards[currentMove][fromY][fromX];
5986 pup = boards[currentMove][toY][toX];
5988 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
5989 if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) {
5990 if( pup != EmptySquare ) return;
5991 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
5992 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
5993 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
5994 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
5995 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
5996 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
5997 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6001 /* [HGM] always test for legality, to get promotion info */
6002 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6003 fromY, fromX, toY, toX, promoChar);
6004 /* [HGM] but possibly ignore an IllegalMove result */
6005 if (appData.testLegality) {
6006 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6007 DisplayMoveError(_("Illegal move"));
6012 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6015 /* Common tail of UserMoveEvent and DropMenuEvent */
6017 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
6019 int fromX, fromY, toX, toY;
6020 /*char*/int promoChar;
6024 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR) {
6025 // [HGM] superchess: suppress promotions to non-available piece
6026 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6027 if(WhiteOnMove(currentMove)) {
6028 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6030 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6034 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6035 move type in caller when we know the move is a legal promotion */
6036 if(moveType == NormalMove && promoChar)
6037 moveType = PromoCharToMoveType(WhiteOnMove(currentMove), promoChar);
6039 /* [HGM] <popupFix> The following if has been moved here from
6040 UserMoveEvent(). Because it seemed to belong here (why not allow
6041 piece drops in training games?), and because it can only be
6042 performed after it is known to what we promote. */
6043 if (gameMode == Training) {
6044 /* compare the move played on the board to the next move in the
6045 * game. If they match, display the move and the opponent's response.
6046 * If they don't match, display an error message.
6050 CopyBoard(testBoard, boards[currentMove]);
6051 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6053 if (CompareBoards(testBoard, boards[currentMove+1])) {
6054 ForwardInner(currentMove+1);
6056 /* Autoplay the opponent's response.
6057 * if appData.animate was TRUE when Training mode was entered,
6058 * the response will be animated.
6060 saveAnimate = appData.animate;
6061 appData.animate = animateTraining;
6062 ForwardInner(currentMove+1);
6063 appData.animate = saveAnimate;
6065 /* check for the end of the game */
6066 if (currentMove >= forwardMostMove) {
6067 gameMode = PlayFromGameFile;
6069 SetTrainingModeOff();
6070 DisplayInformation(_("End of game"));
6073 DisplayError(_("Incorrect move"), 0);
6078 /* Ok, now we know that the move is good, so we can kill
6079 the previous line in Analysis Mode */
6080 if ((gameMode == AnalyzeMode || gameMode == EditGame)
6081 && currentMove < forwardMostMove) {
6082 PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6085 /* If we need the chess program but it's dead, restart it */
6086 ResurrectChessProgram();
6088 /* A user move restarts a paused game*/
6092 thinkOutput[0] = NULLCHAR;
6094 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6096 if(Adjudicate(NULL)) return 1; // [HGM] adjudicate: take care of automtic game end
6098 if (gameMode == BeginningOfGame) {
6099 if (appData.noChessProgram) {
6100 gameMode = EditGame;
6104 gameMode = MachinePlaysBlack;
6107 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
6109 if (first.sendName) {
6110 sprintf(buf, "name %s\n", gameInfo.white);
6111 SendToProgram(buf, &first);
6118 /* Relay move to ICS or chess engine */
6119 if (appData.icsActive) {
6120 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6121 gameMode == IcsExamining) {
6122 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6123 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6125 SendMoveToICS(moveType, fromX, fromY, toX, toY);
6127 // also send plain move, in case ICS does not understand atomic claims
6128 SendMoveToICS(moveType, fromX, fromY, toX, toY);
6132 if (first.sendTime && (gameMode == BeginningOfGame ||
6133 gameMode == MachinePlaysWhite ||
6134 gameMode == MachinePlaysBlack)) {
6135 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6137 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6138 // [HGM] book: if program might be playing, let it use book
6139 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6140 first.maybeThinking = TRUE;
6141 } else SendMoveToProgram(forwardMostMove-1, &first);
6142 if (currentMove == cmailOldMove + 1) {
6143 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6147 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6151 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6157 if (WhiteOnMove(currentMove)) {
6158 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6160 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6164 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6169 case MachinePlaysBlack:
6170 case MachinePlaysWhite:
6171 /* disable certain menu options while machine is thinking */
6172 SetMachineThinkingEnables();
6179 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6181 if(bookHit) { // [HGM] book: simulate book reply
6182 static char bookMove[MSG_SIZ]; // a bit generous?
6184 programStats.nodes = programStats.depth = programStats.time =
6185 programStats.score = programStats.got_only_move = 0;
6186 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6188 strcpy(bookMove, "move ");
6189 strcat(bookMove, bookHit);
6190 HandleMachineMove(bookMove, &first);
6196 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6203 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6204 Markers *m = (Markers *) closure;
6205 if(rf == fromY && ff == fromX)
6206 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6207 || kind == WhiteCapturesEnPassant
6208 || kind == BlackCapturesEnPassant);
6209 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6213 MarkTargetSquares(int clear)
6216 if(!appData.markers || !appData.highlightDragging ||
6217 !appData.testLegality || gameMode == EditPosition) return;
6219 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6222 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker);
6223 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6224 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6226 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6229 DrawPosition(TRUE, NULL);
6232 void LeftClick(ClickType clickType, int xPix, int yPix)
6235 Boolean saveAnimate;
6236 static int second = 0, promotionChoice = 0, dragging = 0;
6237 char promoChoice = NULLCHAR;
6239 if(appData.seekGraph && appData.icsActive && loggedOn &&
6240 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6241 SeekGraphClick(clickType, xPix, yPix, 0);
6245 if (clickType == Press) ErrorPopDown();
6246 MarkTargetSquares(1);
6248 x = EventToSquare(xPix, BOARD_WIDTH);
6249 y = EventToSquare(yPix, BOARD_HEIGHT);
6250 if (!flipView && y >= 0) {
6251 y = BOARD_HEIGHT - 1 - y;
6253 if (flipView && x >= 0) {
6254 x = BOARD_WIDTH - 1 - x;
6257 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6258 if(clickType == Release) return; // ignore upclick of click-click destination
6259 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6260 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6261 if(gameInfo.holdingsWidth &&
6262 (WhiteOnMove(currentMove)
6263 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y > 0
6264 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT-1) ) {
6265 // click in right holdings, for determining promotion piece
6266 ChessSquare p = boards[currentMove][y][x];
6267 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6268 if(p != EmptySquare) {
6269 FinishMove(NormalMove, fromX, fromY, toX, toY, ToLower(PieceToChar(p)));
6274 DrawPosition(FALSE, boards[currentMove]);
6278 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6279 if(clickType == Press
6280 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6281 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6282 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6285 autoQueen = appData.alwaysPromoteToQueen;
6288 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE)) {
6289 if (clickType == Press) {
6291 if (OKToStartUserMove(x, y)) {
6295 MarkTargetSquares(0);
6296 DragPieceBegin(xPix, yPix); dragging = 1;
6297 if (appData.highlightDragging) {
6298 SetHighlights(x, y, -1, -1);
6301 } else if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6302 DragPieceEnd(xPix, yPix); dragging = 0;
6303 DrawPosition(FALSE, NULL);
6310 if (clickType == Press && gameMode != EditPosition) {
6315 // ignore off-board to clicks
6316 if(y < 0 || x < 0) return;
6318 /* Check if clicking again on the same color piece */
6319 fromP = boards[currentMove][fromY][fromX];
6320 toP = boards[currentMove][y][x];
6321 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom;
6322 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6323 WhitePawn <= toP && toP <= WhiteKing &&
6324 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6325 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6326 (BlackPawn <= fromP && fromP <= BlackKing &&
6327 BlackPawn <= toP && toP <= BlackKing &&
6328 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6329 !(fromP == BlackKing && toP == BlackRook && frc))) {
6330 /* Clicked again on same color piece -- changed his mind */
6331 second = (x == fromX && y == fromY);
6332 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6333 if (appData.highlightDragging) {
6334 SetHighlights(x, y, -1, -1);
6338 if (OKToStartUserMove(x, y)) {
6340 fromY = y; dragging = 1;
6341 MarkTargetSquares(0);
6342 DragPieceBegin(xPix, yPix);
6347 // ignore clicks on holdings
6348 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6351 if (clickType == Release && x == fromX && y == fromY) {
6352 DragPieceEnd(xPix, yPix); dragging = 0;
6353 if (appData.animateDragging) {
6354 /* Undo animation damage if any */
6355 DrawPosition(FALSE, NULL);
6358 /* Second up/down in same square; just abort move */
6363 ClearPremoveHighlights();
6365 /* First upclick in same square; start click-click mode */
6366 SetHighlights(x, y, -1, -1);
6371 /* we now have a different from- and (possibly off-board) to-square */
6372 /* Completed move */
6375 saveAnimate = appData.animate;
6376 if (clickType == Press) {
6377 /* Finish clickclick move */
6378 if (appData.animate || appData.highlightLastMove) {
6379 SetHighlights(fromX, fromY, toX, toY);
6384 /* Finish drag move */
6385 if (appData.highlightLastMove) {
6386 SetHighlights(fromX, fromY, toX, toY);
6390 DragPieceEnd(xPix, yPix); dragging = 0;
6391 /* Don't animate move and drag both */
6392 appData.animate = FALSE;
6395 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
6396 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
6397 ChessSquare piece = boards[currentMove][fromY][fromX];
6398 if(gameMode == EditPosition && piece != EmptySquare &&
6399 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
6402 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
6403 n = PieceToNumber(piece - (int)BlackPawn);
6404 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
6405 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
6406 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
6408 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
6409 n = PieceToNumber(piece);
6410 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
6411 boards[currentMove][n][BOARD_WIDTH-1] = piece;
6412 boards[currentMove][n][BOARD_WIDTH-2]++;
6414 boards[currentMove][fromY][fromX] = EmptySquare;
6418 DrawPosition(TRUE, boards[currentMove]);
6422 // off-board moves should not be highlighted
6423 if(x < 0 || x < 0) ClearHighlights();
6425 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
6426 SetHighlights(fromX, fromY, toX, toY);
6427 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6428 // [HGM] super: promotion to captured piece selected from holdings
6429 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
6430 promotionChoice = TRUE;
6431 // kludge follows to temporarily execute move on display, without promoting yet
6432 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
6433 boards[currentMove][toY][toX] = p;
6434 DrawPosition(FALSE, boards[currentMove]);
6435 boards[currentMove][fromY][fromX] = p; // take back, but display stays
6436 boards[currentMove][toY][toX] = q;
6437 DisplayMessage("Click in holdings to choose piece", "");
6442 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
6443 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
6444 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
6447 appData.animate = saveAnimate;
6448 if (appData.animate || appData.animateDragging) {
6449 /* Undo animation damage if needed */
6450 DrawPosition(FALSE, NULL);
6454 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
6455 { // front-end-free part taken out of PieceMenuPopup
6456 int whichMenu; int xSqr, ySqr;
6458 if(seekGraphUp) { // [HGM] seekgraph
6459 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
6460 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
6464 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
6465 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
6466 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
6467 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
6468 if(action == Press) {
6469 originalFlip = flipView;
6470 flipView = !flipView; // temporarily flip board to see game from partners perspective
6471 DrawPosition(TRUE, partnerBoard);
6472 DisplayMessage(partnerStatus, "");
6474 } else if(action == Release) {
6475 flipView = originalFlip;
6476 DrawPosition(TRUE, boards[currentMove]);
6482 xSqr = EventToSquare(x, BOARD_WIDTH);
6483 ySqr = EventToSquare(y, BOARD_HEIGHT);
6484 if (action == Release) UnLoadPV(); // [HGM] pv
6485 if (action != Press) return -2; // return code to be ignored
6488 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
\r
6490 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
\r
6491 if (xSqr < 0 || ySqr < 0) return -1;
\r
6492 whichMenu = 0; // edit-position menu
6495 if(!appData.icsEngineAnalyze) return -1;
6496 case IcsPlayingWhite:
6497 case IcsPlayingBlack:
6498 if(!appData.zippyPlay) goto noZip;
6501 case MachinePlaysWhite:
6502 case MachinePlaysBlack:
6503 case TwoMachinesPlay: // [HGM] pv: use for showing PV
6504 if (!appData.dropMenu) {
6506 return 2; // flag front-end to grab mouse events
6508 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
6509 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
6512 if (xSqr < 0 || ySqr < 0) return -1;
6513 if (!appData.dropMenu || appData.testLegality &&
6514 gameInfo.variant != VariantBughouse &&
6515 gameInfo.variant != VariantCrazyhouse) return -1;
6516 whichMenu = 1; // drop menu
6522 if (((*fromX = xSqr) < 0) ||
6523 ((*fromY = ySqr) < 0)) {
6524 *fromX = *fromY = -1;
6528 *fromX = BOARD_WIDTH - 1 - *fromX;
6530 *fromY = BOARD_HEIGHT - 1 - *fromY;
6535 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
6537 // char * hint = lastHint;
6538 FrontEndProgramStats stats;
6540 stats.which = cps == &first ? 0 : 1;
6541 stats.depth = cpstats->depth;
6542 stats.nodes = cpstats->nodes;
6543 stats.score = cpstats->score;
6544 stats.time = cpstats->time;
6545 stats.pv = cpstats->movelist;
6546 stats.hint = lastHint;
6547 stats.an_move_index = 0;
6548 stats.an_move_count = 0;
6550 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
6551 stats.hint = cpstats->move_name;
6552 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
6553 stats.an_move_count = cpstats->nr_moves;
6556 if(stats.pv && stats.pv[0]) strcpy(lastPV[stats.which], stats.pv); // [HGM] pv: remember last PV of each
6558 SetProgramStats( &stats );
6562 Count(Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
6563 { // count all piece types
6565 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
6566 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
6567 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
6570 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
6571 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
6572 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
6573 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
6574 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
6575 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
6580 SufficientDefence(int pCnt[], int side, int nMine, int nHis)
6582 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
6583 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
6585 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
6586 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
6587 if(myPawns == 2 && nMine == 3) // KPP
6588 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
6589 if(myPawns == 1 && nMine == 2) // KP
6590 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
6591 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
6592 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
6593 if(myPawns) return FALSE;
6594 if(pCnt[WhiteRook+side])
6595 return pCnt[BlackRook-side] ||
6596 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
6597 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
6598 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
6599 if(pCnt[WhiteCannon+side]) {
6600 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
6601 return majorDefense || pCnt[BlackAlfil-side] >= 2;
6603 if(pCnt[WhiteKnight+side])
6604 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
6609 MatingPotential(int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
6611 VariantClass v = gameInfo.variant;
6613 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
6614 if(v == VariantShatranj) return TRUE; // always winnable through baring
6615 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
6616 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
6618 if(v == VariantXiangqi) {
6619 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
6621 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
6622 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
6623 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
6624 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
6625 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
6626 if(stale) // we have at least one last-rank P plus perhaps C
6627 return majors // KPKX
6628 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
6630 return pCnt[WhiteFerz+side] // KCAK
6631 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
6632 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
6633 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
6635 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
6636 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
6638 if(nMine == 1) return FALSE; // bare King
6639 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
6640 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
6641 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
6642 // by now we have King + 1 piece (or multiple Bishops on the same color)
6643 if(pCnt[WhiteKnight+side])
6644 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
6645 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
6646 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
6648 return (pCnt[BlackKnight-side]); // KBKN, KFKN
6649 if(pCnt[WhiteAlfil+side])
6650 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
6651 if(pCnt[WhiteWazir+side])
6652 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
6659 Adjudicate(ChessProgramState *cps)
6660 { // [HGM] some adjudications useful with buggy engines
6661 // [HGM] adjudicate: made into separate routine, which now can be called after every move
6662 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
6663 // Actually ending the game is now based on the additional internal condition canAdjudicate.
6664 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
6665 int k, count = 0; static int bare = 1;
6666 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
6667 Boolean canAdjudicate = !appData.icsActive;
6669 // most tests only when we understand the game, i.e. legality-checking on, and (for the time being) no piece drops
6670 if(gameInfo.holdingsSize == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6671 if( appData.testLegality )
6672 { /* [HGM] Some more adjudications for obstinate engines */
6673 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
6674 static int moveCount = 6;
6676 char *reason = NULL;
6678 /* Count what is on board. */
6679 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
6681 /* Some material-based adjudications that have to be made before stalemate test */
6682 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
6683 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
6684 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
6685 if(canAdjudicate && appData.checkMates) {
6687 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6688 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6689 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
6690 "Xboard adjudication: King destroyed", GE_XBOARD );
6695 /* Bare King in Shatranj (loses) or Losers (wins) */
6696 if( nrW == 1 || nrB == 1) {
6697 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
6698 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
6699 if(canAdjudicate && appData.checkMates) {
6701 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
6702 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6703 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6704 "Xboard adjudication: Bare king", GE_XBOARD );
6708 if( gameInfo.variant == VariantShatranj && --bare < 0)
6710 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
6711 if(canAdjudicate && appData.checkMates) {
6712 /* but only adjudicate if adjudication enabled */
6714 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6715 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6716 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
6717 "Xboard adjudication: Bare king", GE_XBOARD );
6724 // don't wait for engine to announce game end if we can judge ourselves
6725 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
6727 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
6728 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
6729 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
6730 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
6733 reason = "Xboard adjudication: 3rd check";
6734 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
6744 reason = "Xboard adjudication: Stalemate";
6745 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
6746 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
6747 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
6748 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
6749 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
6750 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
6751 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
6752 EP_CHECKMATE : EP_WINS);
6753 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
6754 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
6758 reason = "Xboard adjudication: Checkmate";
6759 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
6763 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
6765 result = GameIsDrawn; break;
6767 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
6769 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
6771 result = (ChessMove) 0;
6773 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
6775 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6776 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6777 GameEnds( result, reason, GE_XBOARD );
6781 /* Next absolutely insufficient mating material. */
6782 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
6783 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
6784 { /* includes KBK, KNK, KK of KBKB with like Bishops */
6786 /* always flag draws, for judging claims */
6787 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
6789 if(canAdjudicate && appData.materialDraws) {
6790 /* but only adjudicate them if adjudication enabled */
6791 if(engineOpponent) {
6792 SendToProgram("force\n", engineOpponent); // suppress reply
6793 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
6795 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6796 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
6801 /* Then some trivial draws (only adjudicate, cannot be claimed) */
6802 if(gameInfo.variant == VariantXiangqi ?
6803 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
6805 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
6806 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
6807 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
6808 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
6810 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
6811 { /* if the first 3 moves do not show a tactical win, declare draw */
6812 if(engineOpponent) {
6813 SendToProgram("force\n", engineOpponent); // suppress reply
6814 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6816 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6817 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
6820 } else moveCount = 6;
6824 if (appData.debugMode) { int i;
6825 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
6826 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
6827 appData.drawRepeats);
6828 for( i=forwardMostMove; i>=backwardMostMove; i-- )
6829 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
6833 // Repetition draws and 50-move rule can be applied independently of legality testing
6835 /* Check for rep-draws */
6837 for(k = forwardMostMove-2;
6838 k>=backwardMostMove && k>=forwardMostMove-100 &&
6839 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
6840 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
6843 if(CompareBoards(boards[k], boards[forwardMostMove])) {
6844 /* compare castling rights */
6845 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
6846 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
6847 rights++; /* King lost rights, while rook still had them */
6848 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
6849 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
6850 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
6851 rights++; /* but at least one rook lost them */
6853 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
6854 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
6856 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
6857 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
6858 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
6861 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
6862 && appData.drawRepeats > 1) {
6863 /* adjudicate after user-specified nr of repeats */
6864 int result = GameIsDrawn;
6865 char *details = "XBoard adjudication: repetition draw";
6866 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
6867 // [HGM] xiangqi: check for forbidden perpetuals
6868 int m, ourPerpetual = 1, hisPerpetual = 1;
6869 for(m=forwardMostMove; m>k; m-=2) {
6870 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
6871 ourPerpetual = 0; // the current mover did not always check
6872 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
6873 hisPerpetual = 0; // the opponent did not always check
6875 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
6876 ourPerpetual, hisPerpetual);
6877 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
6878 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
6879 details = "Xboard adjudication: perpetual checking";
6881 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
6882 break; // (or we would have caught him before). Abort repetition-checking loop.
6884 // Now check for perpetual chases
6885 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
6886 hisPerpetual = PerpetualChase(k, forwardMostMove);
6887 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
6888 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
6889 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
6890 details = "Xboard adjudication: perpetual chasing";
6892 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
6893 break; // Abort repetition-checking loop.
6895 // if neither of us is checking or chasing all the time, or both are, it is draw
6897 if(engineOpponent) {
6898 SendToProgram("force\n", engineOpponent); // suppress reply
6899 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6901 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6902 GameEnds( result, details, GE_XBOARD );
6905 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
6906 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
6910 /* Now we test for 50-move draws. Determine ply count */
6911 count = forwardMostMove;
6912 /* look for last irreversble move */
6913 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
6915 /* if we hit starting position, add initial plies */
6916 if( count == backwardMostMove )
6917 count -= initialRulePlies;
6918 count = forwardMostMove - count;
6919 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
6920 // adjust reversible move counter for checks in Xiangqi
6921 int i = forwardMostMove - count, inCheck = 0, lastCheck;
6922 if(i < backwardMostMove) i = backwardMostMove;
6923 while(i <= forwardMostMove) {
6924 lastCheck = inCheck; // check evasion does not count
6925 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
6926 if(inCheck || lastCheck) count--; // check does not count
6931 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
6932 /* this is used to judge if draw claims are legal */
6933 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
6934 if(engineOpponent) {
6935 SendToProgram("force\n", engineOpponent); // suppress reply
6936 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6938 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6939 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
6943 /* if draw offer is pending, treat it as a draw claim
6944 * when draw condition present, to allow engines a way to
6945 * claim draws before making their move to avoid a race
6946 * condition occurring after their move
6948 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
6950 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
6951 p = "Draw claim: 50-move rule";
6952 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
6953 p = "Draw claim: 3-fold repetition";
6954 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
6955 p = "Draw claim: insufficient mating material";
6956 if( p != NULL && canAdjudicate) {
6957 if(engineOpponent) {
6958 SendToProgram("force\n", engineOpponent); // suppress reply
6959 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6961 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6962 GameEnds( GameIsDrawn, p, GE_XBOARD );
6967 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
6968 if(engineOpponent) {
6969 SendToProgram("force\n", engineOpponent); // suppress reply
6970 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6972 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6973 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
6979 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
6980 { // [HGM] book: this routine intercepts moves to simulate book replies
6981 char *bookHit = NULL;
6983 //first determine if the incoming move brings opponent into his book
6984 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
6985 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
6986 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
6987 if(bookHit != NULL && !cps->bookSuspend) {
6988 // make sure opponent is not going to reply after receiving move to book position
6989 SendToProgram("force\n", cps);
6990 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
6992 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
6993 // now arrange restart after book miss
6995 // after a book hit we never send 'go', and the code after the call to this routine
6996 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
6998 sprintf(buf, "%s%s\n", (cps->useUsermove ? "usermove " : ""), bookHit); // force book move into program supposed to play it
6999 SendToProgram(buf, cps);
7000 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7001 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7002 SendToProgram("go\n", cps);
7003 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7004 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7005 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7006 SendToProgram("go\n", cps);
7007 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7009 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7013 ChessProgramState *savedState;
7014 void DeferredBookMove(void)
7016 if(savedState->lastPing != savedState->lastPong)
7017 ScheduleDelayedEvent(DeferredBookMove, 10);
7019 HandleMachineMove(savedMessage, savedState);
7023 HandleMachineMove(message, cps)
7025 ChessProgramState *cps;
7027 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7028 char realname[MSG_SIZ];
7029 int fromX, fromY, toX, toY;
7038 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7040 * Kludge to ignore BEL characters
7042 while (*message == '\007') message++;
7045 * [HGM] engine debug message: ignore lines starting with '#' character
7047 if(cps->debug && *message == '#') return;
7050 * Look for book output
7052 if (cps == &first && bookRequested) {
7053 if (message[0] == '\t' || message[0] == ' ') {
7054 /* Part of the book output is here; append it */
7055 strcat(bookOutput, message);
7056 strcat(bookOutput, " \n");
7058 } else if (bookOutput[0] != NULLCHAR) {
7059 /* All of book output has arrived; display it */
7060 char *p = bookOutput;
7061 while (*p != NULLCHAR) {
7062 if (*p == '\t') *p = ' ';
7065 DisplayInformation(bookOutput);
7066 bookRequested = FALSE;
7067 /* Fall through to parse the current output */
7072 * Look for machine move.
7074 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7075 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7077 /* This method is only useful on engines that support ping */
7078 if (cps->lastPing != cps->lastPong) {
7079 if (gameMode == BeginningOfGame) {
7080 /* Extra move from before last new; ignore */
7081 if (appData.debugMode) {
7082 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7085 if (appData.debugMode) {
7086 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7087 cps->which, gameMode);
7090 SendToProgram("undo\n", cps);
7096 case BeginningOfGame:
7097 /* Extra move from before last reset; ignore */
7098 if (appData.debugMode) {
7099 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7106 /* Extra move after we tried to stop. The mode test is
7107 not a reliable way of detecting this problem, but it's
7108 the best we can do on engines that don't support ping.
7110 if (appData.debugMode) {
7111 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7112 cps->which, gameMode);
7114 SendToProgram("undo\n", cps);
7117 case MachinePlaysWhite:
7118 case IcsPlayingWhite:
7119 machineWhite = TRUE;
7122 case MachinePlaysBlack:
7123 case IcsPlayingBlack:
7124 machineWhite = FALSE;
7127 case TwoMachinesPlay:
7128 machineWhite = (cps->twoMachinesColor[0] == 'w');
7131 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7132 if (appData.debugMode) {
7134 "Ignoring move out of turn by %s, gameMode %d"
7135 ", forwardMost %d\n",
7136 cps->which, gameMode, forwardMostMove);
7141 if (appData.debugMode) { int f = forwardMostMove;
7142 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7143 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7144 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7146 if(cps->alphaRank) AlphaRank(machineMove, 4);
7147 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7148 &fromX, &fromY, &toX, &toY, &promoChar)) {
7149 /* Machine move could not be parsed; ignore it. */
7150 sprintf(buf1, _("Illegal move \"%s\" from %s machine"),
7151 machineMove, cps->which);
7152 DisplayError(buf1, 0);
7153 sprintf(buf1, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7154 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7155 if (gameMode == TwoMachinesPlay) {
7156 GameEnds(machineWhite ? BlackWins : WhiteWins,
7162 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7163 /* So we have to redo legality test with true e.p. status here, */
7164 /* to make sure an illegal e.p. capture does not slip through, */
7165 /* to cause a forfeit on a justified illegal-move complaint */
7166 /* of the opponent. */
7167 if( gameMode==TwoMachinesPlay && appData.testLegality
7168 && fromY != DROP_RANK /* [HGM] temporary; should still add legality test for drops */
7171 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7172 fromY, fromX, toY, toX, promoChar);
7173 if (appData.debugMode) {
7175 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7176 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7177 fprintf(debugFP, "castling rights\n");
7179 if(moveType == IllegalMove) {
7180 sprintf(buf1, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7181 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7182 GameEnds(machineWhite ? BlackWins : WhiteWins,
7185 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7186 /* [HGM] Kludge to handle engines that send FRC-style castling
7187 when they shouldn't (like TSCP-Gothic) */
7189 case WhiteASideCastleFR:
7190 case BlackASideCastleFR:
7192 currentMoveString[2]++;
7194 case WhiteHSideCastleFR:
7195 case BlackHSideCastleFR:
7197 currentMoveString[2]--;
7199 default: ; // nothing to do, but suppresses warning of pedantic compilers
7202 hintRequested = FALSE;
7203 lastHint[0] = NULLCHAR;
7204 bookRequested = FALSE;
7205 /* Program may be pondering now */
7206 cps->maybeThinking = TRUE;
7207 if (cps->sendTime == 2) cps->sendTime = 1;
7208 if (cps->offeredDraw) cps->offeredDraw--;
7210 /* currentMoveString is set as a side-effect of ParseOneMove */
7211 strcpy(machineMove, currentMoveString);
7212 strcat(machineMove, "\n");
7213 strcpy(moveList[forwardMostMove], machineMove);
7215 /* [AS] Save move info*/
7216 pvInfoList[ forwardMostMove ].score = programStats.score;
7217 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7218 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7220 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7222 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7223 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7226 while( count < adjudicateLossPlies ) {
7227 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7230 score = -score; /* Flip score for winning side */
7233 if( score > adjudicateLossThreshold ) {
7240 if( count >= adjudicateLossPlies ) {
7241 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7243 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7244 "Xboard adjudication",
7251 if(Adjudicate(cps)) return; // [HGM] adjudicate: for all automatic game ends
7254 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7256 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7257 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7259 SendMoveToICS(moveType, fromX, fromY, toX, toY);
7261 SendMoveToICS(moveType, fromX, fromY, toX, toY);
7263 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
7264 char buf[3*MSG_SIZ];
7266 sprintf(buf, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
7267 programStats.score / 100.,
7269 programStats.time / 100.,
7270 (unsigned int)programStats.nodes,
7271 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
7272 programStats.movelist);
7274 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
7279 /* [AS] Clear stats for next move */
7280 ClearProgramStats();
7281 thinkOutput[0] = NULLCHAR;
7282 hiddenThinkOutputState = 0;
7285 if (gameMode == TwoMachinesPlay) {
7286 /* [HGM] relaying draw offers moved to after reception of move */
7287 /* and interpreting offer as claim if it brings draw condition */
7288 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
7289 SendToProgram("draw\n", cps->other);
7291 if (cps->other->sendTime) {
7292 SendTimeRemaining(cps->other,
7293 cps->other->twoMachinesColor[0] == 'w');
7295 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
7296 if (firstMove && !bookHit) {
7298 if (cps->other->useColors) {
7299 SendToProgram(cps->other->twoMachinesColor, cps->other);
7301 SendToProgram("go\n", cps->other);
7303 cps->other->maybeThinking = TRUE;
7306 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7308 if (!pausing && appData.ringBellAfterMoves) {
7313 * Reenable menu items that were disabled while
7314 * machine was thinking
7316 if (gameMode != TwoMachinesPlay)
7317 SetUserThinkingEnables();
7319 // [HGM] book: after book hit opponent has received move and is now in force mode
7320 // force the book reply into it, and then fake that it outputted this move by jumping
7321 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
7323 static char bookMove[MSG_SIZ]; // a bit generous?
7325 strcpy(bookMove, "move ");
7326 strcat(bookMove, bookHit);
7329 programStats.nodes = programStats.depth = programStats.time =
7330 programStats.score = programStats.got_only_move = 0;
7331 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7333 if(cps->lastPing != cps->lastPong) {
7334 savedMessage = message; // args for deferred call
7336 ScheduleDelayedEvent(DeferredBookMove, 10);
7345 /* Set special modes for chess engines. Later something general
7346 * could be added here; for now there is just one kludge feature,
7347 * needed because Crafty 15.10 and earlier don't ignore SIGINT
7348 * when "xboard" is given as an interactive command.
7350 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
7351 cps->useSigint = FALSE;
7352 cps->useSigterm = FALSE;
7354 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
7355 ParseFeatures(message+8, cps);
7356 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
7359 /* [HGM] Allow engine to set up a position. Don't ask me why one would
7360 * want this, I was asked to put it in, and obliged.
7362 if (!strncmp(message, "setboard ", 9)) {
7363 Board initial_position;
7365 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
7367 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
7368 DisplayError(_("Bad FEN received from engine"), 0);
7372 CopyBoard(boards[0], initial_position);
7373 initialRulePlies = FENrulePlies;
7374 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
7375 else gameMode = MachinePlaysBlack;
7376 DrawPosition(FALSE, boards[currentMove]);
7382 * Look for communication commands
7384 if (!strncmp(message, "telluser ", 9)) {
7385 EscapeExpand(message+9, message+9); // [HGM] esc: allow escape sequences in popup box
7386 DisplayNote(message + 9);
7389 if (!strncmp(message, "tellusererror ", 14)) {
7391 EscapeExpand(message+14, message+14); // [HGM] esc: allow escape sequences in popup box
7392 DisplayError(message + 14, 0);
7395 if (!strncmp(message, "tellopponent ", 13)) {
7396 if (appData.icsActive) {
7398 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
7402 DisplayNote(message + 13);
7406 if (!strncmp(message, "tellothers ", 11)) {
7407 if (appData.icsActive) {
7409 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
7415 if (!strncmp(message, "tellall ", 8)) {
7416 if (appData.icsActive) {
7418 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
7422 DisplayNote(message + 8);
7426 if (strncmp(message, "warning", 7) == 0) {
7427 /* Undocumented feature, use tellusererror in new code */
7428 DisplayError(message, 0);
7431 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
7432 strcpy(realname, cps->tidy);
7433 strcat(realname, " query");
7434 AskQuestion(realname, buf2, buf1, cps->pr);
7437 /* Commands from the engine directly to ICS. We don't allow these to be
7438 * sent until we are logged on. Crafty kibitzes have been known to
7439 * interfere with the login process.
7442 if (!strncmp(message, "tellics ", 8)) {
7443 SendToICS(message + 8);
7447 if (!strncmp(message, "tellicsnoalias ", 15)) {
7448 SendToICS(ics_prefix);
7449 SendToICS(message + 15);
7453 /* The following are for backward compatibility only */
7454 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
7455 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
7456 SendToICS(ics_prefix);
7462 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
7466 * If the move is illegal, cancel it and redraw the board.
7467 * Also deal with other error cases. Matching is rather loose
7468 * here to accommodate engines written before the spec.
7470 if (strncmp(message + 1, "llegal move", 11) == 0 ||
7471 strncmp(message, "Error", 5) == 0) {
7472 if (StrStr(message, "name") ||
7473 StrStr(message, "rating") || StrStr(message, "?") ||
7474 StrStr(message, "result") || StrStr(message, "board") ||
7475 StrStr(message, "bk") || StrStr(message, "computer") ||
7476 StrStr(message, "variant") || StrStr(message, "hint") ||
7477 StrStr(message, "random") || StrStr(message, "depth") ||
7478 StrStr(message, "accepted")) {
7481 if (StrStr(message, "protover")) {
7482 /* Program is responding to input, so it's apparently done
7483 initializing, and this error message indicates it is
7484 protocol version 1. So we don't need to wait any longer
7485 for it to initialize and send feature commands. */
7486 FeatureDone(cps, 1);
7487 cps->protocolVersion = 1;
7490 cps->maybeThinking = FALSE;
7492 if (StrStr(message, "draw")) {
7493 /* Program doesn't have "draw" command */
7494 cps->sendDrawOffers = 0;
7497 if (cps->sendTime != 1 &&
7498 (StrStr(message, "time") || StrStr(message, "otim"))) {
7499 /* Program apparently doesn't have "time" or "otim" command */
7503 if (StrStr(message, "analyze")) {
7504 cps->analysisSupport = FALSE;
7505 cps->analyzing = FALSE;
7507 sprintf(buf2, _("%s does not support analysis"), cps->tidy);
7508 DisplayError(buf2, 0);
7511 if (StrStr(message, "(no matching move)st")) {
7512 /* Special kludge for GNU Chess 4 only */
7513 cps->stKludge = TRUE;
7514 SendTimeControl(cps, movesPerSession, timeControl,
7515 timeIncrement, appData.searchDepth,
7519 if (StrStr(message, "(no matching move)sd")) {
7520 /* Special kludge for GNU Chess 4 only */
7521 cps->sdKludge = TRUE;
7522 SendTimeControl(cps, movesPerSession, timeControl,
7523 timeIncrement, appData.searchDepth,
7527 if (!StrStr(message, "llegal")) {
7530 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7531 gameMode == IcsIdle) return;
7532 if (forwardMostMove <= backwardMostMove) return;
7533 if (pausing) PauseEvent();
7534 if(appData.forceIllegal) {
7535 // [HGM] illegal: machine refused move; force position after move into it
7536 SendToProgram("force\n", cps);
7537 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
7538 // we have a real problem now, as SendBoard will use the a2a3 kludge
7539 // when black is to move, while there might be nothing on a2 or black
7540 // might already have the move. So send the board as if white has the move.
7541 // But first we must change the stm of the engine, as it refused the last move
7542 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
7543 if(WhiteOnMove(forwardMostMove)) {
7544 SendToProgram("a7a6\n", cps); // for the engine black still had the move
7545 SendBoard(cps, forwardMostMove); // kludgeless board
7547 SendToProgram("a2a3\n", cps); // for the engine white still had the move
7548 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7549 SendBoard(cps, forwardMostMove+1); // kludgeless board
7551 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
7552 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
7553 gameMode == TwoMachinesPlay)
7554 SendToProgram("go\n", cps);
7557 if (gameMode == PlayFromGameFile) {
7558 /* Stop reading this game file */
7559 gameMode = EditGame;
7562 currentMove = forwardMostMove-1;
7563 DisplayMove(currentMove-1); /* before DisplayMoveError */
7564 SwitchClocks(forwardMostMove-1); // [HGM] race
7565 DisplayBothClocks();
7566 sprintf(buf1, _("Illegal move \"%s\" (rejected by %s chess program)"),
7567 parseList[currentMove], cps->which);
7568 DisplayMoveError(buf1);
7569 DrawPosition(FALSE, boards[currentMove]);
7571 /* [HGM] illegal-move claim should forfeit game when Xboard */
7572 /* only passes fully legal moves */
7573 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
7574 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
7575 "False illegal-move claim", GE_XBOARD );
7579 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
7580 /* Program has a broken "time" command that
7581 outputs a string not ending in newline.
7587 * If chess program startup fails, exit with an error message.
7588 * Attempts to recover here are futile.
7590 if ((StrStr(message, "unknown host") != NULL)
7591 || (StrStr(message, "No remote directory") != NULL)
7592 || (StrStr(message, "not found") != NULL)
7593 || (StrStr(message, "No such file") != NULL)
7594 || (StrStr(message, "can't alloc") != NULL)
7595 || (StrStr(message, "Permission denied") != NULL)) {
7597 cps->maybeThinking = FALSE;
7598 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
7599 cps->which, cps->program, cps->host, message);
7600 RemoveInputSource(cps->isr);
7601 DisplayFatalError(buf1, 0, 1);
7606 * Look for hint output
7608 if (sscanf(message, "Hint: %s", buf1) == 1) {
7609 if (cps == &first && hintRequested) {
7610 hintRequested = FALSE;
7611 if (ParseOneMove(buf1, forwardMostMove, &moveType,
7612 &fromX, &fromY, &toX, &toY, &promoChar)) {
7613 (void) CoordsToAlgebraic(boards[forwardMostMove],
7614 PosFlags(forwardMostMove),
7615 fromY, fromX, toY, toX, promoChar, buf1);
7616 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
7617 DisplayInformation(buf2);
7619 /* Hint move could not be parsed!? */
7620 snprintf(buf2, sizeof(buf2),
7621 _("Illegal hint move \"%s\"\nfrom %s chess program"),
7623 DisplayError(buf2, 0);
7626 strcpy(lastHint, buf1);
7632 * Ignore other messages if game is not in progress
7634 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7635 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
7638 * look for win, lose, draw, or draw offer
7640 if (strncmp(message, "1-0", 3) == 0) {
7641 char *p, *q, *r = "";
7642 p = strchr(message, '{');
7650 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
7652 } else if (strncmp(message, "0-1", 3) == 0) {
7653 char *p, *q, *r = "";
7654 p = strchr(message, '{');
7662 /* Kludge for Arasan 4.1 bug */
7663 if (strcmp(r, "Black resigns") == 0) {
7664 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
7667 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
7669 } else if (strncmp(message, "1/2", 3) == 0) {
7670 char *p, *q, *r = "";
7671 p = strchr(message, '{');
7680 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
7683 } else if (strncmp(message, "White resign", 12) == 0) {
7684 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7686 } else if (strncmp(message, "Black resign", 12) == 0) {
7687 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7689 } else if (strncmp(message, "White matches", 13) == 0 ||
7690 strncmp(message, "Black matches", 13) == 0 ) {
7691 /* [HGM] ignore GNUShogi noises */
7693 } else if (strncmp(message, "White", 5) == 0 &&
7694 message[5] != '(' &&
7695 StrStr(message, "Black") == NULL) {
7696 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7698 } else if (strncmp(message, "Black", 5) == 0 &&
7699 message[5] != '(') {
7700 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7702 } else if (strcmp(message, "resign") == 0 ||
7703 strcmp(message, "computer resigns") == 0) {
7705 case MachinePlaysBlack:
7706 case IcsPlayingBlack:
7707 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
7709 case MachinePlaysWhite:
7710 case IcsPlayingWhite:
7711 GameEnds(BlackWins, "White resigns", GE_ENGINE);
7713 case TwoMachinesPlay:
7714 if (cps->twoMachinesColor[0] == 'w')
7715 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7717 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7724 } else if (strncmp(message, "opponent mates", 14) == 0) {
7726 case MachinePlaysBlack:
7727 case IcsPlayingBlack:
7728 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7730 case MachinePlaysWhite:
7731 case IcsPlayingWhite:
7732 GameEnds(BlackWins, "Black mates", GE_ENGINE);
7734 case TwoMachinesPlay:
7735 if (cps->twoMachinesColor[0] == 'w')
7736 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7738 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7745 } else if (strncmp(message, "computer mates", 14) == 0) {
7747 case MachinePlaysBlack:
7748 case IcsPlayingBlack:
7749 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
7751 case MachinePlaysWhite:
7752 case IcsPlayingWhite:
7753 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7755 case TwoMachinesPlay:
7756 if (cps->twoMachinesColor[0] == 'w')
7757 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7759 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7766 } else if (strncmp(message, "checkmate", 9) == 0) {
7767 if (WhiteOnMove(forwardMostMove)) {
7768 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7770 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7773 } else if (strstr(message, "Draw") != NULL ||
7774 strstr(message, "game is a draw") != NULL) {
7775 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
7777 } else if (strstr(message, "offer") != NULL &&
7778 strstr(message, "draw") != NULL) {
7780 if (appData.zippyPlay && first.initDone) {
7781 /* Relay offer to ICS */
7782 SendToICS(ics_prefix);
7783 SendToICS("draw\n");
7786 cps->offeredDraw = 2; /* valid until this engine moves twice */
7787 if (gameMode == TwoMachinesPlay) {
7788 if (cps->other->offeredDraw) {
7789 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7790 /* [HGM] in two-machine mode we delay relaying draw offer */
7791 /* until after we also have move, to see if it is really claim */
7793 } else if (gameMode == MachinePlaysWhite ||
7794 gameMode == MachinePlaysBlack) {
7795 if (userOfferedDraw) {
7796 DisplayInformation(_("Machine accepts your draw offer"));
7797 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7799 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
7806 * Look for thinking output
7808 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
7809 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7811 int plylev, mvleft, mvtot, curscore, time;
7812 char mvname[MOVE_LEN];
7816 int prefixHint = FALSE;
7817 mvname[0] = NULLCHAR;
7820 case MachinePlaysBlack:
7821 case IcsPlayingBlack:
7822 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7824 case MachinePlaysWhite:
7825 case IcsPlayingWhite:
7826 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7831 case IcsObserving: /* [DM] icsEngineAnalyze */
7832 if (!appData.icsEngineAnalyze) ignore = TRUE;
7834 case TwoMachinesPlay:
7835 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
7845 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
7847 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7848 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
7850 if (plyext != ' ' && plyext != '\t') {
7854 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7855 if( cps->scoreIsAbsolute &&
7856 ( gameMode == MachinePlaysBlack ||
7857 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
7858 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
7859 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
7860 !WhiteOnMove(currentMove)
7863 curscore = -curscore;
7867 tempStats.depth = plylev;
7868 tempStats.nodes = nodes;
7869 tempStats.time = time;
7870 tempStats.score = curscore;
7871 tempStats.got_only_move = 0;
7873 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
7876 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
7877 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
7878 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
7879 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
7880 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
7881 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
7882 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
7883 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
7886 /* Buffer overflow protection */
7887 if (buf1[0] != NULLCHAR) {
7888 if (strlen(buf1) >= sizeof(tempStats.movelist)
7889 && appData.debugMode) {
7891 "PV is too long; using the first %u bytes.\n",
7892 (unsigned) sizeof(tempStats.movelist) - 1);
7895 safeStrCpy( tempStats.movelist, buf1, sizeof(tempStats.movelist) );
7897 sprintf(tempStats.movelist, " no PV\n");
7900 if (tempStats.seen_stat) {
7901 tempStats.ok_to_send = 1;
7904 if (strchr(tempStats.movelist, '(') != NULL) {
7905 tempStats.line_is_book = 1;
7906 tempStats.nr_moves = 0;
7907 tempStats.moves_left = 0;
7909 tempStats.line_is_book = 0;
7912 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
7913 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
7915 SendProgramStatsToFrontend( cps, &tempStats );
7918 [AS] Protect the thinkOutput buffer from overflow... this
7919 is only useful if buf1 hasn't overflowed first!
7921 sprintf(thinkOutput, "[%d]%c%+.2f %s%s",
7923 (gameMode == TwoMachinesPlay ?
7924 ToUpper(cps->twoMachinesColor[0]) : ' '),
7925 ((double) curscore) / 100.0,
7926 prefixHint ? lastHint : "",
7927 prefixHint ? " " : "" );
7929 if( buf1[0] != NULLCHAR ) {
7930 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
7932 if( strlen(buf1) > max_len ) {
7933 if( appData.debugMode) {
7934 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
7936 buf1[max_len+1] = '\0';
7939 strcat( thinkOutput, buf1 );
7942 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
7943 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7944 DisplayMove(currentMove - 1);
7948 } else if ((p=StrStr(message, "(only move)")) != NULL) {
7949 /* crafty (9.25+) says "(only move) <move>"
7950 * if there is only 1 legal move
7952 sscanf(p, "(only move) %s", buf1);
7953 sprintf(thinkOutput, "%s (only move)", buf1);
7954 sprintf(programStats.movelist, "%s (only move)", buf1);
7955 programStats.depth = 1;
7956 programStats.nr_moves = 1;
7957 programStats.moves_left = 1;
7958 programStats.nodes = 1;
7959 programStats.time = 1;
7960 programStats.got_only_move = 1;
7962 /* Not really, but we also use this member to
7963 mean "line isn't going to change" (Crafty
7964 isn't searching, so stats won't change) */
7965 programStats.line_is_book = 1;
7967 SendProgramStatsToFrontend( cps, &programStats );
7969 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
7970 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7971 DisplayMove(currentMove - 1);
7974 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
7975 &time, &nodes, &plylev, &mvleft,
7976 &mvtot, mvname) >= 5) {
7977 /* The stat01: line is from Crafty (9.29+) in response
7978 to the "." command */
7979 programStats.seen_stat = 1;
7980 cps->maybeThinking = TRUE;
7982 if (programStats.got_only_move || !appData.periodicUpdates)
7985 programStats.depth = plylev;
7986 programStats.time = time;
7987 programStats.nodes = nodes;
7988 programStats.moves_left = mvleft;
7989 programStats.nr_moves = mvtot;
7990 strcpy(programStats.move_name, mvname);
7991 programStats.ok_to_send = 1;
7992 programStats.movelist[0] = '\0';
7994 SendProgramStatsToFrontend( cps, &programStats );
7998 } else if (strncmp(message,"++",2) == 0) {
7999 /* Crafty 9.29+ outputs this */
8000 programStats.got_fail = 2;
8003 } else if (strncmp(message,"--",2) == 0) {
8004 /* Crafty 9.29+ outputs this */
8005 programStats.got_fail = 1;
8008 } else if (thinkOutput[0] != NULLCHAR &&
8009 strncmp(message, " ", 4) == 0) {
8010 unsigned message_len;
8013 while (*p && *p == ' ') p++;
8015 message_len = strlen( p );
8017 /* [AS] Avoid buffer overflow */
8018 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8019 strcat(thinkOutput, " ");
8020 strcat(thinkOutput, p);
8023 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8024 strcat(programStats.movelist, " ");
8025 strcat(programStats.movelist, p);
8028 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8029 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8030 DisplayMove(currentMove - 1);
8038 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8039 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8041 ChessProgramStats cpstats;
8043 if (plyext != ' ' && plyext != '\t') {
8047 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8048 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8049 curscore = -curscore;
8052 cpstats.depth = plylev;
8053 cpstats.nodes = nodes;
8054 cpstats.time = time;
8055 cpstats.score = curscore;
8056 cpstats.got_only_move = 0;
8057 cpstats.movelist[0] = '\0';
8059 if (buf1[0] != NULLCHAR) {
8060 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist) );
8063 cpstats.ok_to_send = 0;
8064 cpstats.line_is_book = 0;
8065 cpstats.nr_moves = 0;
8066 cpstats.moves_left = 0;
8068 SendProgramStatsToFrontend( cps, &cpstats );
8075 /* Parse a game score from the character string "game", and
8076 record it as the history of the current game. The game
8077 score is NOT assumed to start from the standard position.
8078 The display is not updated in any way.
8081 ParseGameHistory(game)
8085 int fromX, fromY, toX, toY, boardIndex;
8090 if (appData.debugMode)
8091 fprintf(debugFP, "Parsing game history: %s\n", game);
8093 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8094 gameInfo.site = StrSave(appData.icsHost);
8095 gameInfo.date = PGNDate();
8096 gameInfo.round = StrSave("-");
8098 /* Parse out names of players */
8099 while (*game == ' ') game++;
8101 while (*game != ' ') *p++ = *game++;
8103 gameInfo.white = StrSave(buf);
8104 while (*game == ' ') game++;
8106 while (*game != ' ' && *game != '\n') *p++ = *game++;
8108 gameInfo.black = StrSave(buf);
8111 boardIndex = blackPlaysFirst ? 1 : 0;
8114 yyboardindex = boardIndex;
8115 moveType = (ChessMove) yylex();
8117 case IllegalMove: /* maybe suicide chess, etc. */
8118 if (appData.debugMode) {
8119 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8120 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8121 setbuf(debugFP, NULL);
8123 case WhitePromotionChancellor:
8124 case BlackPromotionChancellor:
8125 case WhitePromotionArchbishop:
8126 case BlackPromotionArchbishop:
8127 case WhitePromotionQueen:
8128 case BlackPromotionQueen:
8129 case WhitePromotionRook:
8130 case BlackPromotionRook:
8131 case WhitePromotionBishop:
8132 case BlackPromotionBishop:
8133 case WhitePromotionKnight:
8134 case BlackPromotionKnight:
8135 case WhitePromotionKing:
8136 case BlackPromotionKing:
8137 case WhiteNonPromotion:
8138 case BlackNonPromotion:
8140 case WhiteCapturesEnPassant:
8141 case BlackCapturesEnPassant:
8142 case WhiteKingSideCastle:
8143 case WhiteQueenSideCastle:
8144 case BlackKingSideCastle:
8145 case BlackQueenSideCastle:
8146 case WhiteKingSideCastleWild:
8147 case WhiteQueenSideCastleWild:
8148 case BlackKingSideCastleWild:
8149 case BlackQueenSideCastleWild:
8151 case WhiteHSideCastleFR:
8152 case WhiteASideCastleFR:
8153 case BlackHSideCastleFR:
8154 case BlackASideCastleFR:
8156 fromX = currentMoveString[0] - AAA;
8157 fromY = currentMoveString[1] - ONE;
8158 toX = currentMoveString[2] - AAA;
8159 toY = currentMoveString[3] - ONE;
8160 promoChar = currentMoveString[4];
8164 fromX = moveType == WhiteDrop ?
8165 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8166 (int) CharToPiece(ToLower(currentMoveString[0]));
8168 toX = currentMoveString[2] - AAA;
8169 toY = currentMoveString[3] - ONE;
8170 promoChar = NULLCHAR;
8174 sprintf(buf, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8175 if (appData.debugMode) {
8176 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8177 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8178 setbuf(debugFP, NULL);
8180 DisplayError(buf, 0);
8182 case ImpossibleMove:
8184 sprintf(buf, _("Illegal move in ICS output: \"%s\""), yy_text);
8185 if (appData.debugMode) {
8186 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8187 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8188 setbuf(debugFP, NULL);
8190 DisplayError(buf, 0);
8192 case (ChessMove) 0: /* end of file */
8193 if (boardIndex < backwardMostMove) {
8194 /* Oops, gap. How did that happen? */
8195 DisplayError(_("Gap in move list"), 0);
8198 backwardMostMove = blackPlaysFirst ? 1 : 0;
8199 if (boardIndex > forwardMostMove) {
8200 forwardMostMove = boardIndex;
8204 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8205 strcat(parseList[boardIndex-1], " ");
8206 strcat(parseList[boardIndex-1], yy_text);
8218 case GameUnfinished:
8219 if (gameMode == IcsExamining) {
8220 if (boardIndex < backwardMostMove) {
8221 /* Oops, gap. How did that happen? */
8224 backwardMostMove = blackPlaysFirst ? 1 : 0;
8227 gameInfo.result = moveType;
8228 p = strchr(yy_text, '{');
8229 if (p == NULL) p = strchr(yy_text, '(');
8232 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8234 q = strchr(p, *p == '{' ? '}' : ')');
8235 if (q != NULL) *q = NULLCHAR;
8238 gameInfo.resultDetails = StrSave(p);
8241 if (boardIndex >= forwardMostMove &&
8242 !(gameMode == IcsObserving && ics_gamenum == -1)) {
8243 backwardMostMove = blackPlaysFirst ? 1 : 0;
8246 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
8247 fromY, fromX, toY, toX, promoChar,
8248 parseList[boardIndex]);
8249 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
8250 /* currentMoveString is set as a side-effect of yylex */
8251 strcpy(moveList[boardIndex], currentMoveString);
8252 strcat(moveList[boardIndex], "\n");
8254 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
8255 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
8261 if(gameInfo.variant != VariantShogi)
8262 strcat(parseList[boardIndex - 1], "+");
8266 strcat(parseList[boardIndex - 1], "#");
8273 /* Apply a move to the given board */
8275 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
8276 int fromX, fromY, toX, toY;
8280 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
8281 int promoRank = gameInfo.variant == VariantMakruk ? 3 : 1;
8283 /* [HGM] compute & store e.p. status and castling rights for new position */
8284 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
8286 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
8287 oldEP = (signed char)board[EP_STATUS];
8288 board[EP_STATUS] = EP_NONE;
8290 if( board[toY][toX] != EmptySquare )
8291 board[EP_STATUS] = EP_CAPTURE;
8293 /* [HGM] In Shatranj and Courier all promotions are to Ferz */
8294 if((gameInfo.variant==VariantShatranj || gameInfo.variant==VariantCourier || gameInfo.variant == VariantMakruk)
8295 && promoChar != 0) promoChar = PieceToChar(WhiteFerz);
8297 if (fromY == DROP_RANK) {
8299 piece = board[toY][toX] = (ChessSquare) fromX;
8303 if( board[fromY][fromX] == WhitePawn ) {
8304 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8305 board[EP_STATUS] = EP_PAWN_MOVE;
8307 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
8308 gameInfo.variant != VariantBerolina || toX < fromX)
8309 board[EP_STATUS] = toX | berolina;
8310 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
8311 gameInfo.variant != VariantBerolina || toX > fromX)
8312 board[EP_STATUS] = toX;
8315 if( board[fromY][fromX] == BlackPawn ) {
8316 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8317 board[EP_STATUS] = EP_PAWN_MOVE;
8318 if( toY-fromY== -2) {
8319 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
8320 gameInfo.variant != VariantBerolina || toX < fromX)
8321 board[EP_STATUS] = toX | berolina;
8322 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
8323 gameInfo.variant != VariantBerolina || toX > fromX)
8324 board[EP_STATUS] = toX;
8328 for(i=0; i<nrCastlingRights; i++) {
8329 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
8330 board[CASTLING][i] == toX && castlingRank[i] == toY
8331 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
8334 if (fromX == toX && fromY == toY) return;
8336 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
8337 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
8338 if(gameInfo.variant == VariantKnightmate)
8339 king += (int) WhiteUnicorn - (int) WhiteKing;
8341 /* Code added by Tord: */
8342 /* FRC castling assumed when king captures friendly rook. */
8343 if (board[fromY][fromX] == WhiteKing &&
8344 board[toY][toX] == WhiteRook) {
8345 board[fromY][fromX] = EmptySquare;
8346 board[toY][toX] = EmptySquare;
8348 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
8350 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
8352 } else if (board[fromY][fromX] == BlackKing &&
8353 board[toY][toX] == BlackRook) {
8354 board[fromY][fromX] = EmptySquare;
8355 board[toY][toX] = EmptySquare;
8357 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
8359 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
8361 /* End of code added by Tord */
8363 } else if (board[fromY][fromX] == king
8364 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8365 && toY == fromY && toX > fromX+1) {
8366 board[fromY][fromX] = EmptySquare;
8367 board[toY][toX] = king;
8368 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8369 board[fromY][BOARD_RGHT-1] = EmptySquare;
8370 } else if (board[fromY][fromX] == king
8371 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8372 && toY == fromY && toX < fromX-1) {
8373 board[fromY][fromX] = EmptySquare;
8374 board[toY][toX] = king;
8375 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8376 board[fromY][BOARD_LEFT] = EmptySquare;
8377 } else if (board[fromY][fromX] == WhitePawn
8378 && toY >= BOARD_HEIGHT-promoRank
8379 && gameInfo.variant != VariantXiangqi
8381 /* white pawn promotion */
8382 board[toY][toX] = CharToPiece(ToUpper(promoChar));
8383 if (board[toY][toX] == EmptySquare) {
8384 board[toY][toX] = WhiteQueen;
8386 if(gameInfo.variant==VariantBughouse ||
8387 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8388 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8389 board[fromY][fromX] = EmptySquare;
8390 } else if ((fromY == BOARD_HEIGHT-4)
8392 && gameInfo.variant != VariantXiangqi
8393 && gameInfo.variant != VariantBerolina
8394 && (board[fromY][fromX] == WhitePawn)
8395 && (board[toY][toX] == EmptySquare)) {
8396 board[fromY][fromX] = EmptySquare;
8397 board[toY][toX] = WhitePawn;
8398 captured = board[toY - 1][toX];
8399 board[toY - 1][toX] = EmptySquare;
8400 } else if ((fromY == BOARD_HEIGHT-4)
8402 && gameInfo.variant == VariantBerolina
8403 && (board[fromY][fromX] == WhitePawn)
8404 && (board[toY][toX] == EmptySquare)) {
8405 board[fromY][fromX] = EmptySquare;
8406 board[toY][toX] = WhitePawn;
8407 if(oldEP & EP_BEROLIN_A) {
8408 captured = board[fromY][fromX-1];
8409 board[fromY][fromX-1] = EmptySquare;
8410 }else{ captured = board[fromY][fromX+1];
8411 board[fromY][fromX+1] = EmptySquare;
8413 } else if (board[fromY][fromX] == king
8414 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8415 && toY == fromY && toX > fromX+1) {
8416 board[fromY][fromX] = EmptySquare;
8417 board[toY][toX] = king;
8418 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8419 board[fromY][BOARD_RGHT-1] = EmptySquare;
8420 } else if (board[fromY][fromX] == king
8421 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8422 && toY == fromY && toX < fromX-1) {
8423 board[fromY][fromX] = EmptySquare;
8424 board[toY][toX] = king;
8425 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8426 board[fromY][BOARD_LEFT] = EmptySquare;
8427 } else if (fromY == 7 && fromX == 3
8428 && board[fromY][fromX] == BlackKing
8429 && toY == 7 && toX == 5) {
8430 board[fromY][fromX] = EmptySquare;
8431 board[toY][toX] = BlackKing;
8432 board[fromY][7] = EmptySquare;
8433 board[toY][4] = BlackRook;
8434 } else if (fromY == 7 && fromX == 3
8435 && board[fromY][fromX] == BlackKing
8436 && toY == 7 && toX == 1) {
8437 board[fromY][fromX] = EmptySquare;
8438 board[toY][toX] = BlackKing;
8439 board[fromY][0] = EmptySquare;
8440 board[toY][2] = BlackRook;
8441 } else if (board[fromY][fromX] == BlackPawn
8443 && gameInfo.variant != VariantXiangqi
8445 /* black pawn promotion */
8446 board[toY][toX] = CharToPiece(ToLower(promoChar));
8447 if (board[toY][toX] == EmptySquare) {
8448 board[toY][toX] = BlackQueen;
8450 if(gameInfo.variant==VariantBughouse ||
8451 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8452 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8453 board[fromY][fromX] = EmptySquare;
8454 } else if ((fromY == 3)
8456 && gameInfo.variant != VariantXiangqi
8457 && gameInfo.variant != VariantBerolina
8458 && (board[fromY][fromX] == BlackPawn)
8459 && (board[toY][toX] == EmptySquare)) {
8460 board[fromY][fromX] = EmptySquare;
8461 board[toY][toX] = BlackPawn;
8462 captured = board[toY + 1][toX];
8463 board[toY + 1][toX] = EmptySquare;
8464 } else if ((fromY == 3)
8466 && gameInfo.variant == VariantBerolina
8467 && (board[fromY][fromX] == BlackPawn)
8468 && (board[toY][toX] == EmptySquare)) {
8469 board[fromY][fromX] = EmptySquare;
8470 board[toY][toX] = BlackPawn;
8471 if(oldEP & EP_BEROLIN_A) {
8472 captured = board[fromY][fromX-1];
8473 board[fromY][fromX-1] = EmptySquare;
8474 }else{ captured = board[fromY][fromX+1];
8475 board[fromY][fromX+1] = EmptySquare;
8478 board[toY][toX] = board[fromY][fromX];
8479 board[fromY][fromX] = EmptySquare;
8482 /* [HGM] now we promote for Shogi, if needed */
8483 if(gameInfo.variant == VariantShogi && promoChar == 'q')
8484 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8487 if (gameInfo.holdingsWidth != 0) {
8489 /* !!A lot more code needs to be written to support holdings */
8490 /* [HGM] OK, so I have written it. Holdings are stored in the */
8491 /* penultimate board files, so they are automaticlly stored */
8492 /* in the game history. */
8493 if (fromY == DROP_RANK) {
8494 /* Delete from holdings, by decreasing count */
8495 /* and erasing image if necessary */
8497 if(p < (int) BlackPawn) { /* white drop */
8498 p -= (int)WhitePawn;
8499 p = PieceToNumber((ChessSquare)p);
8500 if(p >= gameInfo.holdingsSize) p = 0;
8501 if(--board[p][BOARD_WIDTH-2] <= 0)
8502 board[p][BOARD_WIDTH-1] = EmptySquare;
8503 if((int)board[p][BOARD_WIDTH-2] < 0)
8504 board[p][BOARD_WIDTH-2] = 0;
8505 } else { /* black drop */
8506 p -= (int)BlackPawn;
8507 p = PieceToNumber((ChessSquare)p);
8508 if(p >= gameInfo.holdingsSize) p = 0;
8509 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
8510 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
8511 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
8512 board[BOARD_HEIGHT-1-p][1] = 0;
8515 if (captured != EmptySquare && gameInfo.holdingsSize > 0
8516 && gameInfo.variant != VariantBughouse ) {
8517 /* [HGM] holdings: Add to holdings, if holdings exist */
8518 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
8519 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
8520 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
8523 if (p >= (int) BlackPawn) {
8524 p -= (int)BlackPawn;
8525 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8526 /* in Shogi restore piece to its original first */
8527 captured = (ChessSquare) (DEMOTED captured);
8530 p = PieceToNumber((ChessSquare)p);
8531 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
8532 board[p][BOARD_WIDTH-2]++;
8533 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
8535 p -= (int)WhitePawn;
8536 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8537 captured = (ChessSquare) (DEMOTED captured);
8540 p = PieceToNumber((ChessSquare)p);
8541 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
8542 board[BOARD_HEIGHT-1-p][1]++;
8543 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
8546 } else if (gameInfo.variant == VariantAtomic) {
8547 if (captured != EmptySquare) {
8549 for (y = toY-1; y <= toY+1; y++) {
8550 for (x = toX-1; x <= toX+1; x++) {
8551 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
8552 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
8553 board[y][x] = EmptySquare;
8557 board[toY][toX] = EmptySquare;
8560 if(gameInfo.variant == VariantShogi && promoChar != NULLCHAR && promoChar != '=') {
8561 /* [HGM] Shogi promotions */
8562 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8565 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8566 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
8567 // [HGM] superchess: take promotion piece out of holdings
8568 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
8569 if((int)piece < (int)BlackPawn) { // determine stm from piece color
8570 if(!--board[k][BOARD_WIDTH-2])
8571 board[k][BOARD_WIDTH-1] = EmptySquare;
8573 if(!--board[BOARD_HEIGHT-1-k][1])
8574 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
8580 /* Updates forwardMostMove */
8582 MakeMove(fromX, fromY, toX, toY, promoChar)
8583 int fromX, fromY, toX, toY;
8586 // forwardMostMove++; // [HGM] bare: moved downstream
8588 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
8589 int timeLeft; static int lastLoadFlag=0; int king, piece;
8590 piece = boards[forwardMostMove][fromY][fromX];
8591 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
8592 if(gameInfo.variant == VariantKnightmate)
8593 king += (int) WhiteUnicorn - (int) WhiteKing;
8594 if(forwardMostMove == 0) {
8596 fprintf(serverMoves, "%s;", second.tidy);
8597 fprintf(serverMoves, "%s;", first.tidy);
8598 if(!blackPlaysFirst)
8599 fprintf(serverMoves, "%s;", second.tidy);
8600 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
8601 lastLoadFlag = loadFlag;
8603 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
8604 // print castling suffix
8605 if( toY == fromY && piece == king ) {
8607 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
8609 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
8612 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
8613 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
8614 boards[forwardMostMove][toY][toX] == EmptySquare
8615 && fromX != toX && fromY != toY)
8616 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
8618 if(promoChar != NULLCHAR)
8619 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
8621 fprintf(serverMoves, "/%d/%d",
8622 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
8623 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
8624 else timeLeft = blackTimeRemaining/1000;
8625 fprintf(serverMoves, "/%d", timeLeft);
8627 fflush(serverMoves);
8630 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
8631 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
8635 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
8636 if (commentList[forwardMostMove+1] != NULL) {
8637 free(commentList[forwardMostMove+1]);
8638 commentList[forwardMostMove+1] = NULL;
8640 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8641 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
8642 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
8643 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
8644 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
8645 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
8646 gameInfo.result = GameUnfinished;
8647 if (gameInfo.resultDetails != NULL) {
8648 free(gameInfo.resultDetails);
8649 gameInfo.resultDetails = NULL;
8651 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
8652 moveList[forwardMostMove - 1]);
8653 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
8654 PosFlags(forwardMostMove - 1),
8655 fromY, fromX, toY, toX, promoChar,
8656 parseList[forwardMostMove - 1]);
8657 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8663 if(gameInfo.variant != VariantShogi)
8664 strcat(parseList[forwardMostMove - 1], "+");
8668 strcat(parseList[forwardMostMove - 1], "#");
8671 if (appData.debugMode) {
8672 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
8677 /* Updates currentMove if not pausing */
8679 ShowMove(fromX, fromY, toX, toY)
8681 int instant = (gameMode == PlayFromGameFile) ?
8682 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
8683 if(appData.noGUI) return;
8684 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
8686 if (forwardMostMove == currentMove + 1) {
8687 AnimateMove(boards[forwardMostMove - 1],
8688 fromX, fromY, toX, toY);
8690 if (appData.highlightLastMove) {
8691 SetHighlights(fromX, fromY, toX, toY);
8694 currentMove = forwardMostMove;
8697 if (instant) return;
8699 DisplayMove(currentMove - 1);
8700 DrawPosition(FALSE, boards[currentMove]);
8701 DisplayBothClocks();
8702 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
8705 void SendEgtPath(ChessProgramState *cps)
8706 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
8707 char buf[MSG_SIZ], name[MSG_SIZ], *p;
8709 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
8712 char c, *q = name+1, *r, *s;
8714 name[0] = ','; // extract next format name from feature and copy with prefixed ','
8715 while(*p && *p != ',') *q++ = *p++;
8717 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
8718 strcmp(name, ",nalimov:") == 0 ) {
8719 // take nalimov path from the menu-changeable option first, if it is defined
8720 sprintf(buf, "egtpath nalimov %s\n", appData.defaultPathEGTB);
8721 SendToProgram(buf,cps); // send egtbpath command for nalimov
8723 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
8724 (s = StrStr(appData.egtFormats, name)) != NULL) {
8725 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
8726 s = r = StrStr(s, ":") + 1; // beginning of path info
8727 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
8728 c = *r; *r = 0; // temporarily null-terminate path info
8729 *--q = 0; // strip of trailig ':' from name
8730 sprintf(buf, "egtpath %s %s\n", name+1, s);
8732 SendToProgram(buf,cps); // send egtbpath command for this format
8734 if(*p == ',') p++; // read away comma to position for next format name
8739 InitChessProgram(cps, setup)
8740 ChessProgramState *cps;
8741 int setup; /* [HGM] needed to setup FRC opening position */
8743 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
8744 if (appData.noChessProgram) return;
8745 hintRequested = FALSE;
8746 bookRequested = FALSE;
8748 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
8749 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
8750 if(cps->memSize) { /* [HGM] memory */
8751 sprintf(buf, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
8752 SendToProgram(buf, cps);
8754 SendEgtPath(cps); /* [HGM] EGT */
8755 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
8756 sprintf(buf, "cores %d\n", appData.smpCores);
8757 SendToProgram(buf, cps);
8760 SendToProgram(cps->initString, cps);
8761 if (gameInfo.variant != VariantNormal &&
8762 gameInfo.variant != VariantLoadable
8763 /* [HGM] also send variant if board size non-standard */
8764 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
8766 char *v = VariantName(gameInfo.variant);
8767 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
8768 /* [HGM] in protocol 1 we have to assume all variants valid */
8769 sprintf(buf, _("Variant %s not supported by %s"), v, cps->tidy);
8770 DisplayFatalError(buf, 0, 1);
8774 /* [HGM] make prefix for non-standard board size. Awkward testing... */
8775 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8776 if( gameInfo.variant == VariantXiangqi )
8777 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
8778 if( gameInfo.variant == VariantShogi )
8779 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
8780 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
8781 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
8782 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
8783 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
8784 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8785 if( gameInfo.variant == VariantCourier )
8786 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8787 if( gameInfo.variant == VariantSuper )
8788 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8789 if( gameInfo.variant == VariantGreat )
8790 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8793 sprintf(b, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
8794 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
8795 /* [HGM] varsize: try first if this defiant size variant is specifically known */
8796 if(StrStr(cps->variants, b) == NULL) {
8797 // specific sized variant not known, check if general sizing allowed
8798 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
8799 if(StrStr(cps->variants, "boardsize") == NULL) {
8800 sprintf(buf, "Board size %dx%d+%d not supported by %s",
8801 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
8802 DisplayFatalError(buf, 0, 1);
8805 /* [HGM] here we really should compare with the maximum supported board size */
8808 } else sprintf(b, "%s", VariantName(gameInfo.variant));
8809 sprintf(buf, "variant %s\n", b);
8810 SendToProgram(buf, cps);
8812 currentlyInitializedVariant = gameInfo.variant;
8814 /* [HGM] send opening position in FRC to first engine */
8816 SendToProgram("force\n", cps);
8818 /* engine is now in force mode! Set flag to wake it up after first move. */
8819 setboardSpoiledMachineBlack = 1;
8823 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
8824 SendToProgram(buf, cps);
8826 cps->maybeThinking = FALSE;
8827 cps->offeredDraw = 0;
8828 if (!appData.icsActive) {
8829 SendTimeControl(cps, movesPerSession, timeControl,
8830 timeIncrement, appData.searchDepth,
8833 if (appData.showThinking
8834 // [HGM] thinking: four options require thinking output to be sent
8835 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8837 SendToProgram("post\n", cps);
8839 SendToProgram("hard\n", cps);
8840 if (!appData.ponderNextMove) {
8841 /* Warning: "easy" is a toggle in GNU Chess, so don't send
8842 it without being sure what state we are in first. "hard"
8843 is not a toggle, so that one is OK.
8845 SendToProgram("easy\n", cps);
8848 sprintf(buf, "ping %d\n", ++cps->lastPing);
8849 SendToProgram(buf, cps);
8851 cps->initDone = TRUE;
8856 StartChessProgram(cps)
8857 ChessProgramState *cps;
8862 if (appData.noChessProgram) return;
8863 cps->initDone = FALSE;
8865 if (strcmp(cps->host, "localhost") == 0) {
8866 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
8867 } else if (*appData.remoteShell == NULLCHAR) {
8868 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
8870 if (*appData.remoteUser == NULLCHAR) {
8871 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
8874 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
8875 cps->host, appData.remoteUser, cps->program);
8877 err = StartChildProcess(buf, "", &cps->pr);
8881 sprintf(buf, _("Startup failure on '%s'"), cps->program);
8882 DisplayFatalError(buf, err, 1);
8888 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
8889 if (cps->protocolVersion > 1) {
8890 sprintf(buf, "xboard\nprotover %d\n", cps->protocolVersion);
8891 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
8892 cps->comboCnt = 0; // and values of combo boxes
8893 SendToProgram(buf, cps);
8895 SendToProgram("xboard\n", cps);
8901 TwoMachinesEventIfReady P((void))
8903 if (first.lastPing != first.lastPong) {
8904 DisplayMessage("", _("Waiting for first chess program"));
8905 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8908 if (second.lastPing != second.lastPong) {
8909 DisplayMessage("", _("Waiting for second chess program"));
8910 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8918 NextMatchGame P((void))
8920 int index; /* [HGM] autoinc: step load index during match */
8922 if (*appData.loadGameFile != NULLCHAR) {
8923 index = appData.loadGameIndex;
8924 if(index < 0) { // [HGM] autoinc
8925 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8926 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8928 LoadGameFromFile(appData.loadGameFile,
8930 appData.loadGameFile, FALSE);
8931 } else if (*appData.loadPositionFile != NULLCHAR) {
8932 index = appData.loadPositionIndex;
8933 if(index < 0) { // [HGM] autoinc
8934 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8935 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8937 LoadPositionFromFile(appData.loadPositionFile,
8939 appData.loadPositionFile);
8941 TwoMachinesEventIfReady();
8944 void UserAdjudicationEvent( int result )
8946 ChessMove gameResult = GameIsDrawn;
8949 gameResult = WhiteWins;
8951 else if( result < 0 ) {
8952 gameResult = BlackWins;
8955 if( gameMode == TwoMachinesPlay ) {
8956 GameEnds( gameResult, "User adjudication", GE_XBOARD );
8961 // [HGM] save: calculate checksum of game to make games easily identifiable
8962 int StringCheckSum(char *s)
8965 if(s==NULL) return 0;
8966 while(*s) i = i*259 + *s++;
8973 for(i=backwardMostMove; i<forwardMostMove; i++) {
8974 sum += pvInfoList[i].depth;
8975 sum += StringCheckSum(parseList[i]);
8976 sum += StringCheckSum(commentList[i]);
8979 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
8980 return sum + StringCheckSum(commentList[i]);
8981 } // end of save patch
8984 GameEnds(result, resultDetails, whosays)
8986 char *resultDetails;
8989 GameMode nextGameMode;
8991 char buf[MSG_SIZ], popupRequested = 0;
8993 if(endingGame) return; /* [HGM] crash: forbid recursion */
8995 if(twoBoards) { // [HGM] dual: switch back to one board
8996 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
8997 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
8999 if (appData.debugMode) {
9000 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
9001 result, resultDetails ? resultDetails : "(null)", whosays);
9004 fromX = fromY = -1; // [HGM] abort any move the user is entering.
9006 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
9007 /* If we are playing on ICS, the server decides when the
9008 game is over, but the engine can offer to draw, claim
9012 if (appData.zippyPlay && first.initDone) {
9013 if (result == GameIsDrawn) {
9014 /* In case draw still needs to be claimed */
9015 SendToICS(ics_prefix);
9016 SendToICS("draw\n");
9017 } else if (StrCaseStr(resultDetails, "resign")) {
9018 SendToICS(ics_prefix);
9019 SendToICS("resign\n");
9023 endingGame = 0; /* [HGM] crash */
9027 /* If we're loading the game from a file, stop */
9028 if (whosays == GE_FILE) {
9029 (void) StopLoadGameTimer();
9033 /* Cancel draw offers */
9034 first.offeredDraw = second.offeredDraw = 0;
9036 /* If this is an ICS game, only ICS can really say it's done;
9037 if not, anyone can. */
9038 isIcsGame = (gameMode == IcsPlayingWhite ||
9039 gameMode == IcsPlayingBlack ||
9040 gameMode == IcsObserving ||
9041 gameMode == IcsExamining);
9043 if (!isIcsGame || whosays == GE_ICS) {
9044 /* OK -- not an ICS game, or ICS said it was done */
9046 if (!isIcsGame && !appData.noChessProgram)
9047 SetUserThinkingEnables();
9049 /* [HGM] if a machine claims the game end we verify this claim */
9050 if(gameMode == TwoMachinesPlay && appData.testClaims) {
9051 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
9053 ChessMove trueResult = (ChessMove) -1;
9055 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
9056 first.twoMachinesColor[0] :
9057 second.twoMachinesColor[0] ;
9059 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
9060 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
9061 /* [HGM] verify: engine mate claims accepted if they were flagged */
9062 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
9064 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
9065 /* [HGM] verify: engine mate claims accepted if they were flagged */
9066 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
9068 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
9069 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
9072 // now verify win claims, but not in drop games, as we don't understand those yet
9073 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
9074 || gameInfo.variant == VariantGreat) &&
9075 (result == WhiteWins && claimer == 'w' ||
9076 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
9077 if (appData.debugMode) {
9078 fprintf(debugFP, "result=%d sp=%d move=%d\n",
9079 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
9081 if(result != trueResult) {
9082 sprintf(buf, "False win claim: '%s'", resultDetails);
9083 result = claimer == 'w' ? BlackWins : WhiteWins;
9084 resultDetails = buf;
9087 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
9088 && (forwardMostMove <= backwardMostMove ||
9089 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
9090 (claimer=='b')==(forwardMostMove&1))
9092 /* [HGM] verify: draws that were not flagged are false claims */
9093 sprintf(buf, "False draw claim: '%s'", resultDetails);
9094 result = claimer == 'w' ? BlackWins : WhiteWins;
9095 resultDetails = buf;
9097 /* (Claiming a loss is accepted no questions asked!) */
9099 /* [HGM] bare: don't allow bare King to win */
9100 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
9101 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
9102 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
9103 && result != GameIsDrawn)
9104 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
9105 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
9106 int p = (signed char)boards[forwardMostMove][i][j] - color;
9107 if(p >= 0 && p <= (int)WhiteKing) k++;
9109 if (appData.debugMode) {
9110 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
9111 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
9114 result = GameIsDrawn;
9115 sprintf(buf, "%s but bare king", resultDetails);
9116 resultDetails = buf;
9122 if(serverMoves != NULL && !loadFlag) { char c = '=';
9123 if(result==WhiteWins) c = '+';
9124 if(result==BlackWins) c = '-';
9125 if(resultDetails != NULL)
9126 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
9128 if (resultDetails != NULL) {
9129 gameInfo.result = result;
9130 gameInfo.resultDetails = StrSave(resultDetails);
9132 /* display last move only if game was not loaded from file */
9133 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
9134 DisplayMove(currentMove - 1);
9136 if (forwardMostMove != 0) {
9137 if (gameMode != PlayFromGameFile && gameMode != EditGame
9138 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
9140 if (*appData.saveGameFile != NULLCHAR) {
9141 SaveGameToFile(appData.saveGameFile, TRUE);
9142 } else if (appData.autoSaveGames) {
9145 if (*appData.savePositionFile != NULLCHAR) {
9146 SavePositionToFile(appData.savePositionFile);
9151 /* Tell program how game ended in case it is learning */
9152 /* [HGM] Moved this to after saving the PGN, just in case */
9153 /* engine died and we got here through time loss. In that */
9154 /* case we will get a fatal error writing the pipe, which */
9155 /* would otherwise lose us the PGN. */
9156 /* [HGM] crash: not needed anymore, but doesn't hurt; */
9157 /* output during GameEnds should never be fatal anymore */
9158 if (gameMode == MachinePlaysWhite ||
9159 gameMode == MachinePlaysBlack ||
9160 gameMode == TwoMachinesPlay ||
9161 gameMode == IcsPlayingWhite ||
9162 gameMode == IcsPlayingBlack ||
9163 gameMode == BeginningOfGame) {
9165 sprintf(buf, "result %s {%s}\n", PGNResult(result),
9167 if (first.pr != NoProc) {
9168 SendToProgram(buf, &first);
9170 if (second.pr != NoProc &&
9171 gameMode == TwoMachinesPlay) {
9172 SendToProgram(buf, &second);
9177 if (appData.icsActive) {
9178 if (appData.quietPlay &&
9179 (gameMode == IcsPlayingWhite ||
9180 gameMode == IcsPlayingBlack)) {
9181 SendToICS(ics_prefix);
9182 SendToICS("set shout 1\n");
9184 nextGameMode = IcsIdle;
9185 ics_user_moved = FALSE;
9186 /* clean up premove. It's ugly when the game has ended and the
9187 * premove highlights are still on the board.
9191 ClearPremoveHighlights();
9192 DrawPosition(FALSE, boards[currentMove]);
9194 if (whosays == GE_ICS) {
9197 if (gameMode == IcsPlayingWhite)
9199 else if(gameMode == IcsPlayingBlack)
9203 if (gameMode == IcsPlayingBlack)
9205 else if(gameMode == IcsPlayingWhite)
9212 PlayIcsUnfinishedSound();
9215 } else if (gameMode == EditGame ||
9216 gameMode == PlayFromGameFile ||
9217 gameMode == AnalyzeMode ||
9218 gameMode == AnalyzeFile) {
9219 nextGameMode = gameMode;
9221 nextGameMode = EndOfGame;
9226 nextGameMode = gameMode;
9229 if (appData.noChessProgram) {
9230 gameMode = nextGameMode;
9232 endingGame = 0; /* [HGM] crash */
9237 /* Put first chess program into idle state */
9238 if (first.pr != NoProc &&
9239 (gameMode == MachinePlaysWhite ||
9240 gameMode == MachinePlaysBlack ||
9241 gameMode == TwoMachinesPlay ||
9242 gameMode == IcsPlayingWhite ||
9243 gameMode == IcsPlayingBlack ||
9244 gameMode == BeginningOfGame)) {
9245 SendToProgram("force\n", &first);
9246 if (first.usePing) {
9248 sprintf(buf, "ping %d\n", ++first.lastPing);
9249 SendToProgram(buf, &first);
9252 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9253 /* Kill off first chess program */
9254 if (first.isr != NULL)
9255 RemoveInputSource(first.isr);
9258 if (first.pr != NoProc) {
9260 DoSleep( appData.delayBeforeQuit );
9261 SendToProgram("quit\n", &first);
9262 DoSleep( appData.delayAfterQuit );
9263 DestroyChildProcess(first.pr, first.useSigterm);
9268 /* Put second chess program into idle state */
9269 if (second.pr != NoProc &&
9270 gameMode == TwoMachinesPlay) {
9271 SendToProgram("force\n", &second);
9272 if (second.usePing) {
9274 sprintf(buf, "ping %d\n", ++second.lastPing);
9275 SendToProgram(buf, &second);
9278 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9279 /* Kill off second chess program */
9280 if (second.isr != NULL)
9281 RemoveInputSource(second.isr);
9284 if (second.pr != NoProc) {
9285 DoSleep( appData.delayBeforeQuit );
9286 SendToProgram("quit\n", &second);
9287 DoSleep( appData.delayAfterQuit );
9288 DestroyChildProcess(second.pr, second.useSigterm);
9293 if (matchMode && gameMode == TwoMachinesPlay) {
9296 if (first.twoMachinesColor[0] == 'w') {
9303 if (first.twoMachinesColor[0] == 'b') {
9312 if (matchGame < appData.matchGames) {
9314 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
9315 tmp = first.twoMachinesColor;
9316 first.twoMachinesColor = second.twoMachinesColor;
9317 second.twoMachinesColor = tmp;
9319 gameMode = nextGameMode;
9321 if(appData.matchPause>10000 || appData.matchPause<10)
9322 appData.matchPause = 10000; /* [HGM] make pause adjustable */
9323 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
9324 endingGame = 0; /* [HGM] crash */
9327 gameMode = nextGameMode;
9328 sprintf(buf, _("Match %s vs. %s: final score %d-%d-%d"),
9329 first.tidy, second.tidy,
9330 first.matchWins, second.matchWins,
9331 appData.matchGames - (first.matchWins + second.matchWins));
9332 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
9335 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
9336 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
9338 gameMode = nextGameMode;
9340 endingGame = 0; /* [HGM] crash */
9341 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
9342 if(matchMode == TRUE) DisplayFatalError(buf, 0, 0); else {
9343 matchMode = FALSE; appData.matchGames = matchGame = 0;
9349 /* Assumes program was just initialized (initString sent).
9350 Leaves program in force mode. */
9352 FeedMovesToProgram(cps, upto)
9353 ChessProgramState *cps;
9358 if (appData.debugMode)
9359 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
9360 startedFromSetupPosition ? "position and " : "",
9361 backwardMostMove, upto, cps->which);
9362 if(currentlyInitializedVariant != gameInfo.variant) { char buf[MSG_SIZ];
9363 // [HGM] variantswitch: make engine aware of new variant
9364 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
9365 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
9366 sprintf(buf, "variant %s\n", VariantName(gameInfo.variant));
9367 SendToProgram(buf, cps);
9368 currentlyInitializedVariant = gameInfo.variant;
9370 SendToProgram("force\n", cps);
9371 if (startedFromSetupPosition) {
9372 SendBoard(cps, backwardMostMove);
9373 if (appData.debugMode) {
9374 fprintf(debugFP, "feedMoves\n");
9377 for (i = backwardMostMove; i < upto; i++) {
9378 SendMoveToProgram(i, cps);
9384 ResurrectChessProgram()
9386 /* The chess program may have exited.
9387 If so, restart it and feed it all the moves made so far. */
9389 if (appData.noChessProgram || first.pr != NoProc) return;
9391 StartChessProgram(&first);
9392 InitChessProgram(&first, FALSE);
9393 FeedMovesToProgram(&first, currentMove);
9395 if (!first.sendTime) {
9396 /* can't tell gnuchess what its clock should read,
9397 so we bow to its notion. */
9399 timeRemaining[0][currentMove] = whiteTimeRemaining;
9400 timeRemaining[1][currentMove] = blackTimeRemaining;
9403 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
9404 appData.icsEngineAnalyze) && first.analysisSupport) {
9405 SendToProgram("analyze\n", &first);
9406 first.analyzing = TRUE;
9419 if (appData.debugMode) {
9420 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
9421 redraw, init, gameMode);
9423 CleanupTail(); // [HGM] vari: delete any stored variations
9424 pausing = pauseExamInvalid = FALSE;
9425 startedFromSetupPosition = blackPlaysFirst = FALSE;
9427 whiteFlag = blackFlag = FALSE;
9428 userOfferedDraw = FALSE;
9429 hintRequested = bookRequested = FALSE;
9430 first.maybeThinking = FALSE;
9431 second.maybeThinking = FALSE;
9432 first.bookSuspend = FALSE; // [HGM] book
9433 second.bookSuspend = FALSE;
9434 thinkOutput[0] = NULLCHAR;
9435 lastHint[0] = NULLCHAR;
9436 ClearGameInfo(&gameInfo);
9437 gameInfo.variant = StringToVariant(appData.variant);
9438 ics_user_moved = ics_clock_paused = FALSE;
9439 ics_getting_history = H_FALSE;
9441 white_holding[0] = black_holding[0] = NULLCHAR;
9442 ClearProgramStats();
9443 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
9447 flipView = appData.flipView;
9448 ClearPremoveHighlights();
9450 alarmSounded = FALSE;
9452 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
9453 if(appData.serverMovesName != NULL) {
9454 /* [HGM] prepare to make moves file for broadcasting */
9455 clock_t t = clock();
9456 if(serverMoves != NULL) fclose(serverMoves);
9457 serverMoves = fopen(appData.serverMovesName, "r");
9458 if(serverMoves != NULL) {
9459 fclose(serverMoves);
9460 /* delay 15 sec before overwriting, so all clients can see end */
9461 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
9463 serverMoves = fopen(appData.serverMovesName, "w");
9467 gameMode = BeginningOfGame;
9469 if(appData.icsActive) gameInfo.variant = VariantNormal;
9470 currentMove = forwardMostMove = backwardMostMove = 0;
9471 InitPosition(redraw);
9472 for (i = 0; i < MAX_MOVES; i++) {
9473 if (commentList[i] != NULL) {
9474 free(commentList[i]);
9475 commentList[i] = NULL;
9479 timeRemaining[0][0] = whiteTimeRemaining;
9480 timeRemaining[1][0] = blackTimeRemaining;
9481 if (first.pr == NULL) {
9482 StartChessProgram(&first);
9485 InitChessProgram(&first, startedFromSetupPosition);
9488 DisplayMessage("", "");
9489 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9490 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
9497 if (!AutoPlayOneMove())
9499 if (matchMode || appData.timeDelay == 0)
9501 if (appData.timeDelay < 0 || gameMode == AnalyzeFile)
9503 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
9512 int fromX, fromY, toX, toY;
9514 if (appData.debugMode) {
9515 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
9518 if (gameMode != PlayFromGameFile)
9521 if (currentMove >= forwardMostMove) {
9522 gameMode = EditGame;
9525 /* [AS] Clear current move marker at the end of a game */
9526 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
9531 toX = moveList[currentMove][2] - AAA;
9532 toY = moveList[currentMove][3] - ONE;
9534 if (moveList[currentMove][1] == '@') {
9535 if (appData.highlightLastMove) {
9536 SetHighlights(-1, -1, toX, toY);
9539 fromX = moveList[currentMove][0] - AAA;
9540 fromY = moveList[currentMove][1] - ONE;
9542 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
9544 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
9546 if (appData.highlightLastMove) {
9547 SetHighlights(fromX, fromY, toX, toY);
9550 DisplayMove(currentMove);
9551 SendMoveToProgram(currentMove++, &first);
9552 DisplayBothClocks();
9553 DrawPosition(FALSE, boards[currentMove]);
9554 // [HGM] PV info: always display, routine tests if empty
9555 DisplayComment(currentMove - 1, commentList[currentMove]);
9561 LoadGameOneMove(readAhead)
9562 ChessMove readAhead;
9564 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
9565 char promoChar = NULLCHAR;
9570 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
9571 gameMode != AnalyzeMode && gameMode != Training) {
9576 yyboardindex = forwardMostMove;
9577 if (readAhead != (ChessMove)0) {
9578 moveType = readAhead;
9580 if (gameFileFP == NULL)
9582 moveType = (ChessMove) yylex();
9588 if (appData.debugMode)
9589 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9592 /* append the comment but don't display it */
9593 AppendComment(currentMove, p, FALSE);
9596 case WhiteCapturesEnPassant:
9597 case BlackCapturesEnPassant:
9598 case WhitePromotionChancellor:
9599 case BlackPromotionChancellor:
9600 case WhitePromotionArchbishop:
9601 case BlackPromotionArchbishop:
9602 case WhitePromotionCentaur:
9603 case BlackPromotionCentaur:
9604 case WhitePromotionQueen:
9605 case BlackPromotionQueen:
9606 case WhitePromotionRook:
9607 case BlackPromotionRook:
9608 case WhitePromotionBishop:
9609 case BlackPromotionBishop:
9610 case WhitePromotionKnight:
9611 case BlackPromotionKnight:
9612 case WhitePromotionKing:
9613 case BlackPromotionKing:
9614 case WhiteNonPromotion:
9615 case BlackNonPromotion:
9617 case WhiteKingSideCastle:
9618 case WhiteQueenSideCastle:
9619 case BlackKingSideCastle:
9620 case BlackQueenSideCastle:
9621 case WhiteKingSideCastleWild:
9622 case WhiteQueenSideCastleWild:
9623 case BlackKingSideCastleWild:
9624 case BlackQueenSideCastleWild:
9626 case WhiteHSideCastleFR:
9627 case WhiteASideCastleFR:
9628 case BlackHSideCastleFR:
9629 case BlackASideCastleFR:
9631 if (appData.debugMode)
9632 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9633 fromX = currentMoveString[0] - AAA;
9634 fromY = currentMoveString[1] - ONE;
9635 toX = currentMoveString[2] - AAA;
9636 toY = currentMoveString[3] - ONE;
9637 promoChar = currentMoveString[4];
9642 if (appData.debugMode)
9643 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9644 fromX = moveType == WhiteDrop ?
9645 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9646 (int) CharToPiece(ToLower(currentMoveString[0]));
9648 toX = currentMoveString[2] - AAA;
9649 toY = currentMoveString[3] - ONE;
9655 case GameUnfinished:
9656 if (appData.debugMode)
9657 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
9658 p = strchr(yy_text, '{');
9659 if (p == NULL) p = strchr(yy_text, '(');
9662 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9664 q = strchr(p, *p == '{' ? '}' : ')');
9665 if (q != NULL) *q = NULLCHAR;
9668 GameEnds(moveType, p, GE_FILE);
9670 if (cmailMsgLoaded) {
9672 flipView = WhiteOnMove(currentMove);
9673 if (moveType == GameUnfinished) flipView = !flipView;
9674 if (appData.debugMode)
9675 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
9679 case (ChessMove) 0: /* end of file */
9680 if (appData.debugMode)
9681 fprintf(debugFP, "Parser hit end of file\n");
9682 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9688 if (WhiteOnMove(currentMove)) {
9689 GameEnds(BlackWins, "Black mates", GE_FILE);
9691 GameEnds(WhiteWins, "White mates", GE_FILE);
9695 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9702 if (lastLoadGameStart == GNUChessGame) {
9703 /* GNUChessGames have numbers, but they aren't move numbers */
9704 if (appData.debugMode)
9705 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9706 yy_text, (int) moveType);
9707 return LoadGameOneMove((ChessMove)0); /* tail recursion */
9709 /* else fall thru */
9714 /* Reached start of next game in file */
9715 if (appData.debugMode)
9716 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
9717 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9723 if (WhiteOnMove(currentMove)) {
9724 GameEnds(BlackWins, "Black mates", GE_FILE);
9726 GameEnds(WhiteWins, "White mates", GE_FILE);
9730 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9736 case PositionDiagram: /* should not happen; ignore */
9737 case ElapsedTime: /* ignore */
9738 case NAG: /* ignore */
9739 if (appData.debugMode)
9740 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9741 yy_text, (int) moveType);
9742 return LoadGameOneMove((ChessMove)0); /* tail recursion */
9745 if (appData.testLegality) {
9746 if (appData.debugMode)
9747 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
9748 sprintf(move, _("Illegal move: %d.%s%s"),
9749 (forwardMostMove / 2) + 1,
9750 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9751 DisplayError(move, 0);
9754 if (appData.debugMode)
9755 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
9756 yy_text, currentMoveString);
9757 fromX = currentMoveString[0] - AAA;
9758 fromY = currentMoveString[1] - ONE;
9759 toX = currentMoveString[2] - AAA;
9760 toY = currentMoveString[3] - ONE;
9761 promoChar = currentMoveString[4];
9766 if (appData.debugMode)
9767 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
9768 sprintf(move, _("Ambiguous move: %d.%s%s"),
9769 (forwardMostMove / 2) + 1,
9770 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9771 DisplayError(move, 0);
9776 case ImpossibleMove:
9777 if (appData.debugMode)
9778 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
9779 sprintf(move, _("Illegal move: %d.%s%s"),
9780 (forwardMostMove / 2) + 1,
9781 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9782 DisplayError(move, 0);
9788 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
9789 DrawPosition(FALSE, boards[currentMove]);
9790 DisplayBothClocks();
9791 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
9792 DisplayComment(currentMove - 1, commentList[currentMove]);
9794 (void) StopLoadGameTimer();
9796 cmailOldMove = forwardMostMove;
9799 /* currentMoveString is set as a side-effect of yylex */
9800 strcat(currentMoveString, "\n");
9801 strcpy(moveList[forwardMostMove], currentMoveString);
9803 thinkOutput[0] = NULLCHAR;
9804 MakeMove(fromX, fromY, toX, toY, promoChar);
9805 currentMove = forwardMostMove;
9810 /* Load the nth game from the given file */
9812 LoadGameFromFile(filename, n, title, useList)
9816 /*Boolean*/ int useList;
9821 if (strcmp(filename, "-") == 0) {
9825 f = fopen(filename, "rb");
9827 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9828 DisplayError(buf, errno);
9832 if (fseek(f, 0, 0) == -1) {
9833 /* f is not seekable; probably a pipe */
9836 if (useList && n == 0) {
9837 int error = GameListBuild(f);
9839 DisplayError(_("Cannot build game list"), error);
9840 } else if (!ListEmpty(&gameList) &&
9841 ((ListGame *) gameList.tailPred)->number > 1) {
9842 GameListPopUp(f, title);
9849 return LoadGame(f, n, title, FALSE);
9854 MakeRegisteredMove()
9856 int fromX, fromY, toX, toY;
9858 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9859 switch (cmailMoveType[lastLoadGameNumber - 1]) {
9862 if (appData.debugMode)
9863 fprintf(debugFP, "Restoring %s for game %d\n",
9864 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
9866 thinkOutput[0] = NULLCHAR;
9867 strcpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1]);
9868 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
9869 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
9870 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
9871 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
9872 promoChar = cmailMove[lastLoadGameNumber - 1][4];
9873 MakeMove(fromX, fromY, toX, toY, promoChar);
9874 ShowMove(fromX, fromY, toX, toY);
9876 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9883 if (WhiteOnMove(currentMove)) {
9884 GameEnds(BlackWins, "Black mates", GE_PLAYER);
9886 GameEnds(WhiteWins, "White mates", GE_PLAYER);
9891 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
9898 if (WhiteOnMove(currentMove)) {
9899 GameEnds(BlackWins, "White resigns", GE_PLAYER);
9901 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
9906 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
9917 /* Wrapper around LoadGame for use when a Cmail message is loaded */
9919 CmailLoadGame(f, gameNumber, title, useList)
9927 if (gameNumber > nCmailGames) {
9928 DisplayError(_("No more games in this message"), 0);
9931 if (f == lastLoadGameFP) {
9932 int offset = gameNumber - lastLoadGameNumber;
9934 cmailMsg[0] = NULLCHAR;
9935 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9936 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
9937 nCmailMovesRegistered--;
9939 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
9940 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
9941 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
9944 if (! RegisterMove()) return FALSE;
9948 retVal = LoadGame(f, gameNumber, title, useList);
9950 /* Make move registered during previous look at this game, if any */
9951 MakeRegisteredMove();
9953 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
9954 commentList[currentMove]
9955 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
9956 DisplayComment(currentMove - 1, commentList[currentMove]);
9962 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
9967 int gameNumber = lastLoadGameNumber + offset;
9968 if (lastLoadGameFP == NULL) {
9969 DisplayError(_("No game has been loaded yet"), 0);
9972 if (gameNumber <= 0) {
9973 DisplayError(_("Can't back up any further"), 0);
9976 if (cmailMsgLoaded) {
9977 return CmailLoadGame(lastLoadGameFP, gameNumber,
9978 lastLoadGameTitle, lastLoadGameUseList);
9980 return LoadGame(lastLoadGameFP, gameNumber,
9981 lastLoadGameTitle, lastLoadGameUseList);
9987 /* Load the nth game from open file f */
9989 LoadGame(f, gameNumber, title, useList)
9997 int gn = gameNumber;
9998 ListGame *lg = NULL;
10001 GameMode oldGameMode;
10002 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
10004 if (appData.debugMode)
10005 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
10007 if (gameMode == Training )
10008 SetTrainingModeOff();
10010 oldGameMode = gameMode;
10011 if (gameMode != BeginningOfGame) {
10012 Reset(FALSE, TRUE);
10016 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
10017 fclose(lastLoadGameFP);
10021 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
10024 fseek(f, lg->offset, 0);
10025 GameListHighlight(gameNumber);
10029 DisplayError(_("Game number out of range"), 0);
10034 if (fseek(f, 0, 0) == -1) {
10035 if (f == lastLoadGameFP ?
10036 gameNumber == lastLoadGameNumber + 1 :
10040 DisplayError(_("Can't seek on game file"), 0);
10045 lastLoadGameFP = f;
10046 lastLoadGameNumber = gameNumber;
10047 strcpy(lastLoadGameTitle, title);
10048 lastLoadGameUseList = useList;
10052 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
10053 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
10054 lg->gameInfo.black);
10056 } else if (*title != NULLCHAR) {
10057 if (gameNumber > 1) {
10058 sprintf(buf, "%s %d", title, gameNumber);
10061 DisplayTitle(title);
10065 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
10066 gameMode = PlayFromGameFile;
10070 currentMove = forwardMostMove = backwardMostMove = 0;
10071 CopyBoard(boards[0], initialPosition);
10075 * Skip the first gn-1 games in the file.
10076 * Also skip over anything that precedes an identifiable
10077 * start of game marker, to avoid being confused by
10078 * garbage at the start of the file. Currently
10079 * recognized start of game markers are the move number "1",
10080 * the pattern "gnuchess .* game", the pattern
10081 * "^[#;%] [^ ]* game file", and a PGN tag block.
10082 * A game that starts with one of the latter two patterns
10083 * will also have a move number 1, possibly
10084 * following a position diagram.
10085 * 5-4-02: Let's try being more lenient and allowing a game to
10086 * start with an unnumbered move. Does that break anything?
10088 cm = lastLoadGameStart = (ChessMove) 0;
10090 yyboardindex = forwardMostMove;
10091 cm = (ChessMove) yylex();
10093 case (ChessMove) 0:
10094 if (cmailMsgLoaded) {
10095 nCmailGames = CMAIL_MAX_GAMES - gn;
10098 DisplayError(_("Game not found in file"), 0);
10105 lastLoadGameStart = cm;
10108 case MoveNumberOne:
10109 switch (lastLoadGameStart) {
10114 case MoveNumberOne:
10115 case (ChessMove) 0:
10116 gn--; /* count this game */
10117 lastLoadGameStart = cm;
10126 switch (lastLoadGameStart) {
10129 case MoveNumberOne:
10130 case (ChessMove) 0:
10131 gn--; /* count this game */
10132 lastLoadGameStart = cm;
10135 lastLoadGameStart = cm; /* game counted already */
10143 yyboardindex = forwardMostMove;
10144 cm = (ChessMove) yylex();
10145 } while (cm == PGNTag || cm == Comment);
10152 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
10153 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
10154 != CMAIL_OLD_RESULT) {
10156 cmailResult[ CMAIL_MAX_GAMES
10157 - gn - 1] = CMAIL_OLD_RESULT;
10163 /* Only a NormalMove can be at the start of a game
10164 * without a position diagram. */
10165 if (lastLoadGameStart == (ChessMove) 0) {
10167 lastLoadGameStart = MoveNumberOne;
10176 if (appData.debugMode)
10177 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
10179 if (cm == XBoardGame) {
10180 /* Skip any header junk before position diagram and/or move 1 */
10182 yyboardindex = forwardMostMove;
10183 cm = (ChessMove) yylex();
10185 if (cm == (ChessMove) 0 ||
10186 cm == GNUChessGame || cm == XBoardGame) {
10187 /* Empty game; pretend end-of-file and handle later */
10188 cm = (ChessMove) 0;
10192 if (cm == MoveNumberOne || cm == PositionDiagram ||
10193 cm == PGNTag || cm == Comment)
10196 } else if (cm == GNUChessGame) {
10197 if (gameInfo.event != NULL) {
10198 free(gameInfo.event);
10200 gameInfo.event = StrSave(yy_text);
10203 startedFromSetupPosition = FALSE;
10204 while (cm == PGNTag) {
10205 if (appData.debugMode)
10206 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
10207 err = ParsePGNTag(yy_text, &gameInfo);
10208 if (!err) numPGNTags++;
10210 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
10211 if(gameInfo.variant != oldVariant) {
10212 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
10213 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
10214 InitPosition(TRUE);
10215 oldVariant = gameInfo.variant;
10216 if (appData.debugMode)
10217 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
10221 if (gameInfo.fen != NULL) {
10222 Board initial_position;
10223 startedFromSetupPosition = TRUE;
10224 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
10226 DisplayError(_("Bad FEN position in file"), 0);
10229 CopyBoard(boards[0], initial_position);
10230 if (blackPlaysFirst) {
10231 currentMove = forwardMostMove = backwardMostMove = 1;
10232 CopyBoard(boards[1], initial_position);
10233 strcpy(moveList[0], "");
10234 strcpy(parseList[0], "");
10235 timeRemaining[0][1] = whiteTimeRemaining;
10236 timeRemaining[1][1] = blackTimeRemaining;
10237 if (commentList[0] != NULL) {
10238 commentList[1] = commentList[0];
10239 commentList[0] = NULL;
10242 currentMove = forwardMostMove = backwardMostMove = 0;
10244 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
10246 initialRulePlies = FENrulePlies;
10247 for( i=0; i< nrCastlingRights; i++ )
10248 initialRights[i] = initial_position[CASTLING][i];
10250 yyboardindex = forwardMostMove;
10251 free(gameInfo.fen);
10252 gameInfo.fen = NULL;
10255 yyboardindex = forwardMostMove;
10256 cm = (ChessMove) yylex();
10258 /* Handle comments interspersed among the tags */
10259 while (cm == Comment) {
10261 if (appData.debugMode)
10262 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10264 AppendComment(currentMove, p, FALSE);
10265 yyboardindex = forwardMostMove;
10266 cm = (ChessMove) yylex();
10270 /* don't rely on existence of Event tag since if game was
10271 * pasted from clipboard the Event tag may not exist
10273 if (numPGNTags > 0){
10275 if (gameInfo.variant == VariantNormal) {
10276 VariantClass v = StringToVariant(gameInfo.event);
10277 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
10278 if(v < VariantShogi) gameInfo.variant = v;
10281 if( appData.autoDisplayTags ) {
10282 tags = PGNTags(&gameInfo);
10283 TagsPopUp(tags, CmailMsg());
10288 /* Make something up, but don't display it now */
10293 if (cm == PositionDiagram) {
10296 Board initial_position;
10298 if (appData.debugMode)
10299 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
10301 if (!startedFromSetupPosition) {
10303 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
10304 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
10314 initial_position[i][j++] = CharToPiece(*p);
10317 while (*p == ' ' || *p == '\t' ||
10318 *p == '\n' || *p == '\r') p++;
10320 if (strncmp(p, "black", strlen("black"))==0)
10321 blackPlaysFirst = TRUE;
10323 blackPlaysFirst = FALSE;
10324 startedFromSetupPosition = TRUE;
10326 CopyBoard(boards[0], initial_position);
10327 if (blackPlaysFirst) {
10328 currentMove = forwardMostMove = backwardMostMove = 1;
10329 CopyBoard(boards[1], initial_position);
10330 strcpy(moveList[0], "");
10331 strcpy(parseList[0], "");
10332 timeRemaining[0][1] = whiteTimeRemaining;
10333 timeRemaining[1][1] = blackTimeRemaining;
10334 if (commentList[0] != NULL) {
10335 commentList[1] = commentList[0];
10336 commentList[0] = NULL;
10339 currentMove = forwardMostMove = backwardMostMove = 0;
10342 yyboardindex = forwardMostMove;
10343 cm = (ChessMove) yylex();
10346 if (first.pr == NoProc) {
10347 StartChessProgram(&first);
10349 InitChessProgram(&first, FALSE);
10350 SendToProgram("force\n", &first);
10351 if (startedFromSetupPosition) {
10352 SendBoard(&first, forwardMostMove);
10353 if (appData.debugMode) {
10354 fprintf(debugFP, "Load Game\n");
10356 DisplayBothClocks();
10359 /* [HGM] server: flag to write setup moves in broadcast file as one */
10360 loadFlag = appData.suppressLoadMoves;
10362 while (cm == Comment) {
10364 if (appData.debugMode)
10365 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10367 AppendComment(currentMove, p, FALSE);
10368 yyboardindex = forwardMostMove;
10369 cm = (ChessMove) yylex();
10372 if ((cm == (ChessMove) 0 && lastLoadGameStart != (ChessMove) 0) ||
10373 cm == WhiteWins || cm == BlackWins ||
10374 cm == GameIsDrawn || cm == GameUnfinished) {
10375 DisplayMessage("", _("No moves in game"));
10376 if (cmailMsgLoaded) {
10377 if (appData.debugMode)
10378 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
10382 DrawPosition(FALSE, boards[currentMove]);
10383 DisplayBothClocks();
10384 gameMode = EditGame;
10391 // [HGM] PV info: routine tests if comment empty
10392 if (!matchMode && (pausing || appData.timeDelay != 0)) {
10393 DisplayComment(currentMove - 1, commentList[currentMove]);
10395 if (!matchMode && appData.timeDelay != 0)
10396 DrawPosition(FALSE, boards[currentMove]);
10398 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
10399 programStats.ok_to_send = 1;
10402 /* if the first token after the PGN tags is a move
10403 * and not move number 1, retrieve it from the parser
10405 if (cm != MoveNumberOne)
10406 LoadGameOneMove(cm);
10408 /* load the remaining moves from the file */
10409 while (LoadGameOneMove((ChessMove)0)) {
10410 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10411 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10414 /* rewind to the start of the game */
10415 currentMove = backwardMostMove;
10417 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10419 if (oldGameMode == AnalyzeFile ||
10420 oldGameMode == AnalyzeMode) {
10421 AnalyzeFileEvent();
10424 if (matchMode || appData.timeDelay == 0) {
10426 gameMode = EditGame;
10428 } else if (appData.timeDelay > 0) {
10429 AutoPlayGameLoop();
10432 if (appData.debugMode)
10433 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
10435 loadFlag = 0; /* [HGM] true game starts */
10439 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
10441 ReloadPosition(offset)
10444 int positionNumber = lastLoadPositionNumber + offset;
10445 if (lastLoadPositionFP == NULL) {
10446 DisplayError(_("No position has been loaded yet"), 0);
10449 if (positionNumber <= 0) {
10450 DisplayError(_("Can't back up any further"), 0);
10453 return LoadPosition(lastLoadPositionFP, positionNumber,
10454 lastLoadPositionTitle);
10457 /* Load the nth position from the given file */
10459 LoadPositionFromFile(filename, n, title)
10467 if (strcmp(filename, "-") == 0) {
10468 return LoadPosition(stdin, n, "stdin");
10470 f = fopen(filename, "rb");
10472 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10473 DisplayError(buf, errno);
10476 return LoadPosition(f, n, title);
10481 /* Load the nth position from the given open file, and close it */
10483 LoadPosition(f, positionNumber, title)
10485 int positionNumber;
10488 char *p, line[MSG_SIZ];
10489 Board initial_position;
10490 int i, j, fenMode, pn;
10492 if (gameMode == Training )
10493 SetTrainingModeOff();
10495 if (gameMode != BeginningOfGame) {
10496 Reset(FALSE, TRUE);
10498 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
10499 fclose(lastLoadPositionFP);
10501 if (positionNumber == 0) positionNumber = 1;
10502 lastLoadPositionFP = f;
10503 lastLoadPositionNumber = positionNumber;
10504 strcpy(lastLoadPositionTitle, title);
10505 if (first.pr == NoProc) {
10506 StartChessProgram(&first);
10507 InitChessProgram(&first, FALSE);
10509 pn = positionNumber;
10510 if (positionNumber < 0) {
10511 /* Negative position number means to seek to that byte offset */
10512 if (fseek(f, -positionNumber, 0) == -1) {
10513 DisplayError(_("Can't seek on position file"), 0);
10518 if (fseek(f, 0, 0) == -1) {
10519 if (f == lastLoadPositionFP ?
10520 positionNumber == lastLoadPositionNumber + 1 :
10521 positionNumber == 1) {
10524 DisplayError(_("Can't seek on position file"), 0);
10529 /* See if this file is FEN or old-style xboard */
10530 if (fgets(line, MSG_SIZ, f) == NULL) {
10531 DisplayError(_("Position not found in file"), 0);
10534 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
10535 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
10538 if (fenMode || line[0] == '#') pn--;
10540 /* skip positions before number pn */
10541 if (fgets(line, MSG_SIZ, f) == NULL) {
10543 DisplayError(_("Position not found in file"), 0);
10546 if (fenMode || line[0] == '#') pn--;
10551 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
10552 DisplayError(_("Bad FEN position in file"), 0);
10556 (void) fgets(line, MSG_SIZ, f);
10557 (void) fgets(line, MSG_SIZ, f);
10559 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
10560 (void) fgets(line, MSG_SIZ, f);
10561 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
10564 initial_position[i][j++] = CharToPiece(*p);
10568 blackPlaysFirst = FALSE;
10570 (void) fgets(line, MSG_SIZ, f);
10571 if (strncmp(line, "black", strlen("black"))==0)
10572 blackPlaysFirst = TRUE;
10575 startedFromSetupPosition = TRUE;
10577 SendToProgram("force\n", &first);
10578 CopyBoard(boards[0], initial_position);
10579 if (blackPlaysFirst) {
10580 currentMove = forwardMostMove = backwardMostMove = 1;
10581 strcpy(moveList[0], "");
10582 strcpy(parseList[0], "");
10583 CopyBoard(boards[1], initial_position);
10584 DisplayMessage("", _("Black to play"));
10586 currentMove = forwardMostMove = backwardMostMove = 0;
10587 DisplayMessage("", _("White to play"));
10589 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
10590 SendBoard(&first, forwardMostMove);
10591 if (appData.debugMode) {
10593 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
10594 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
10595 fprintf(debugFP, "Load Position\n");
10598 if (positionNumber > 1) {
10599 sprintf(line, "%s %d", title, positionNumber);
10600 DisplayTitle(line);
10602 DisplayTitle(title);
10604 gameMode = EditGame;
10607 timeRemaining[0][1] = whiteTimeRemaining;
10608 timeRemaining[1][1] = blackTimeRemaining;
10609 DrawPosition(FALSE, boards[currentMove]);
10616 CopyPlayerNameIntoFileName(dest, src)
10619 while (*src != NULLCHAR && *src != ',') {
10624 *(*dest)++ = *src++;
10629 char *DefaultFileName(ext)
10632 static char def[MSG_SIZ];
10635 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
10637 CopyPlayerNameIntoFileName(&p, gameInfo.white);
10639 CopyPlayerNameIntoFileName(&p, gameInfo.black);
10648 /* Save the current game to the given file */
10650 SaveGameToFile(filename, append)
10657 if (strcmp(filename, "-") == 0) {
10658 return SaveGame(stdout, 0, NULL);
10660 f = fopen(filename, append ? "a" : "w");
10662 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10663 DisplayError(buf, errno);
10666 return SaveGame(f, 0, NULL);
10675 static char buf[MSG_SIZ];
10678 p = strchr(str, ' ');
10679 if (p == NULL) return str;
10680 strncpy(buf, str, p - str);
10681 buf[p - str] = NULLCHAR;
10685 #define PGN_MAX_LINE 75
10687 #define PGN_SIDE_WHITE 0
10688 #define PGN_SIDE_BLACK 1
10691 static int FindFirstMoveOutOfBook( int side )
10695 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
10696 int index = backwardMostMove;
10697 int has_book_hit = 0;
10699 if( (index % 2) != side ) {
10703 while( index < forwardMostMove ) {
10704 /* Check to see if engine is in book */
10705 int depth = pvInfoList[index].depth;
10706 int score = pvInfoList[index].score;
10712 else if( score == 0 && depth == 63 ) {
10713 in_book = 1; /* Zappa */
10715 else if( score == 2 && depth == 99 ) {
10716 in_book = 1; /* Abrok */
10719 has_book_hit += in_book;
10735 void GetOutOfBookInfo( char * buf )
10739 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10741 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
10742 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
10746 if( oob[0] >= 0 || oob[1] >= 0 ) {
10747 for( i=0; i<2; i++ ) {
10751 if( i > 0 && oob[0] >= 0 ) {
10752 strcat( buf, " " );
10755 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
10756 sprintf( buf+strlen(buf), "%s%.2f",
10757 pvInfoList[idx].score >= 0 ? "+" : "",
10758 pvInfoList[idx].score / 100.0 );
10764 /* Save game in PGN style and close the file */
10769 int i, offset, linelen, newblock;
10773 int movelen, numlen, blank;
10774 char move_buffer[100]; /* [AS] Buffer for move+PV info */
10776 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10778 tm = time((time_t *) NULL);
10780 PrintPGNTags(f, &gameInfo);
10782 if (backwardMostMove > 0 || startedFromSetupPosition) {
10783 char *fen = PositionToFEN(backwardMostMove, NULL);
10784 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
10785 fprintf(f, "\n{--------------\n");
10786 PrintPosition(f, backwardMostMove);
10787 fprintf(f, "--------------}\n");
10791 /* [AS] Out of book annotation */
10792 if( appData.saveOutOfBookInfo ) {
10795 GetOutOfBookInfo( buf );
10797 if( buf[0] != '\0' ) {
10798 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
10805 i = backwardMostMove;
10809 while (i < forwardMostMove) {
10810 /* Print comments preceding this move */
10811 if (commentList[i] != NULL) {
10812 if (linelen > 0) fprintf(f, "\n");
10813 fprintf(f, "%s", commentList[i]);
10818 /* Format move number */
10819 if ((i % 2) == 0) {
10820 sprintf(numtext, "%d.", (i - offset)/2 + 1);
10823 sprintf(numtext, "%d...", (i - offset)/2 + 1);
10825 numtext[0] = NULLCHAR;
10828 numlen = strlen(numtext);
10831 /* Print move number */
10832 blank = linelen > 0 && numlen > 0;
10833 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
10842 fprintf(f, "%s", numtext);
10846 strcpy(move_buffer, SavePart(parseList[i])); // [HGM] pgn: print move via buffer, so it can be edited
10847 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
10850 blank = linelen > 0 && movelen > 0;
10851 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10860 fprintf(f, "%s", move_buffer);
10861 linelen += movelen;
10863 /* [AS] Add PV info if present */
10864 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
10865 /* [HGM] add time */
10866 char buf[MSG_SIZ]; int seconds;
10868 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
10870 if( seconds <= 0) buf[0] = 0; else
10871 if( seconds < 30 ) sprintf(buf, " %3.1f%c", seconds/10., 0); else {
10872 seconds = (seconds + 4)/10; // round to full seconds
10873 if( seconds < 60 ) sprintf(buf, " %d%c", seconds, 0); else
10874 sprintf(buf, " %d:%02d%c", seconds/60, seconds%60, 0);
10877 sprintf( move_buffer, "{%s%.2f/%d%s}",
10878 pvInfoList[i].score >= 0 ? "+" : "",
10879 pvInfoList[i].score / 100.0,
10880 pvInfoList[i].depth,
10883 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
10885 /* Print score/depth */
10886 blank = linelen > 0 && movelen > 0;
10887 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10896 fprintf(f, "%s", move_buffer);
10897 linelen += movelen;
10903 /* Start a new line */
10904 if (linelen > 0) fprintf(f, "\n");
10906 /* Print comments after last move */
10907 if (commentList[i] != NULL) {
10908 fprintf(f, "%s\n", commentList[i]);
10912 if (gameInfo.resultDetails != NULL &&
10913 gameInfo.resultDetails[0] != NULLCHAR) {
10914 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
10915 PGNResult(gameInfo.result));
10917 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10921 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10925 /* Save game in old style and close the file */
10927 SaveGameOldStyle(f)
10933 tm = time((time_t *) NULL);
10935 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
10938 if (backwardMostMove > 0 || startedFromSetupPosition) {
10939 fprintf(f, "\n[--------------\n");
10940 PrintPosition(f, backwardMostMove);
10941 fprintf(f, "--------------]\n");
10946 i = backwardMostMove;
10947 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10949 while (i < forwardMostMove) {
10950 if (commentList[i] != NULL) {
10951 fprintf(f, "[%s]\n", commentList[i]);
10954 if ((i % 2) == 1) {
10955 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
10958 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
10960 if (commentList[i] != NULL) {
10964 if (i >= forwardMostMove) {
10968 fprintf(f, "%s\n", parseList[i]);
10973 if (commentList[i] != NULL) {
10974 fprintf(f, "[%s]\n", commentList[i]);
10977 /* This isn't really the old style, but it's close enough */
10978 if (gameInfo.resultDetails != NULL &&
10979 gameInfo.resultDetails[0] != NULLCHAR) {
10980 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
10981 gameInfo.resultDetails);
10983 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10990 /* Save the current game to open file f and close the file */
10992 SaveGame(f, dummy, dummy2)
10997 if (gameMode == EditPosition) EditPositionDone(TRUE);
10998 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10999 if (appData.oldSaveStyle)
11000 return SaveGameOldStyle(f);
11002 return SaveGamePGN(f);
11005 /* Save the current position to the given file */
11007 SavePositionToFile(filename)
11013 if (strcmp(filename, "-") == 0) {
11014 return SavePosition(stdout, 0, NULL);
11016 f = fopen(filename, "a");
11018 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11019 DisplayError(buf, errno);
11022 SavePosition(f, 0, NULL);
11028 /* Save the current position to the given open file and close the file */
11030 SavePosition(f, dummy, dummy2)
11038 if (gameMode == EditPosition) EditPositionDone(TRUE);
11039 if (appData.oldSaveStyle) {
11040 tm = time((time_t *) NULL);
11042 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
11044 fprintf(f, "[--------------\n");
11045 PrintPosition(f, currentMove);
11046 fprintf(f, "--------------]\n");
11048 fen = PositionToFEN(currentMove, NULL);
11049 fprintf(f, "%s\n", fen);
11057 ReloadCmailMsgEvent(unregister)
11061 static char *inFilename = NULL;
11062 static char *outFilename;
11064 struct stat inbuf, outbuf;
11067 /* Any registered moves are unregistered if unregister is set, */
11068 /* i.e. invoked by the signal handler */
11070 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11071 cmailMoveRegistered[i] = FALSE;
11072 if (cmailCommentList[i] != NULL) {
11073 free(cmailCommentList[i]);
11074 cmailCommentList[i] = NULL;
11077 nCmailMovesRegistered = 0;
11080 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11081 cmailResult[i] = CMAIL_NOT_RESULT;
11085 if (inFilename == NULL) {
11086 /* Because the filenames are static they only get malloced once */
11087 /* and they never get freed */
11088 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
11089 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
11091 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
11092 sprintf(outFilename, "%s.out", appData.cmailGameName);
11095 status = stat(outFilename, &outbuf);
11097 cmailMailedMove = FALSE;
11099 status = stat(inFilename, &inbuf);
11100 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
11103 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
11104 counts the games, notes how each one terminated, etc.
11106 It would be nice to remove this kludge and instead gather all
11107 the information while building the game list. (And to keep it
11108 in the game list nodes instead of having a bunch of fixed-size
11109 parallel arrays.) Note this will require getting each game's
11110 termination from the PGN tags, as the game list builder does
11111 not process the game moves. --mann
11113 cmailMsgLoaded = TRUE;
11114 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
11116 /* Load first game in the file or popup game menu */
11117 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
11119 #endif /* !WIN32 */
11127 char string[MSG_SIZ];
11129 if ( cmailMailedMove
11130 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
11131 return TRUE; /* Allow free viewing */
11134 /* Unregister move to ensure that we don't leave RegisterMove */
11135 /* with the move registered when the conditions for registering no */
11137 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11138 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11139 nCmailMovesRegistered --;
11141 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
11143 free(cmailCommentList[lastLoadGameNumber - 1]);
11144 cmailCommentList[lastLoadGameNumber - 1] = NULL;
11148 if (cmailOldMove == -1) {
11149 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
11153 if (currentMove > cmailOldMove + 1) {
11154 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
11158 if (currentMove < cmailOldMove) {
11159 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
11163 if (forwardMostMove > currentMove) {
11164 /* Silently truncate extra moves */
11168 if ( (currentMove == cmailOldMove + 1)
11169 || ( (currentMove == cmailOldMove)
11170 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
11171 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
11172 if (gameInfo.result != GameUnfinished) {
11173 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
11176 if (commentList[currentMove] != NULL) {
11177 cmailCommentList[lastLoadGameNumber - 1]
11178 = StrSave(commentList[currentMove]);
11180 strcpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1]);
11182 if (appData.debugMode)
11183 fprintf(debugFP, "Saving %s for game %d\n",
11184 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11187 "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
11189 f = fopen(string, "w");
11190 if (appData.oldSaveStyle) {
11191 SaveGameOldStyle(f); /* also closes the file */
11193 sprintf(string, "%s.pos.out", appData.cmailGameName);
11194 f = fopen(string, "w");
11195 SavePosition(f, 0, NULL); /* also closes the file */
11197 fprintf(f, "{--------------\n");
11198 PrintPosition(f, currentMove);
11199 fprintf(f, "--------------}\n\n");
11201 SaveGame(f, 0, NULL); /* also closes the file*/
11204 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
11205 nCmailMovesRegistered ++;
11206 } else if (nCmailGames == 1) {
11207 DisplayError(_("You have not made a move yet"), 0);
11218 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
11219 FILE *commandOutput;
11220 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
11221 int nBytes = 0; /* Suppress warnings on uninitialized variables */
11227 if (! cmailMsgLoaded) {
11228 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
11232 if (nCmailGames == nCmailResults) {
11233 DisplayError(_("No unfinished games"), 0);
11237 #if CMAIL_PROHIBIT_REMAIL
11238 if (cmailMailedMove) {
11239 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);
11240 DisplayError(msg, 0);
11245 if (! (cmailMailedMove || RegisterMove())) return;
11247 if ( cmailMailedMove
11248 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
11249 sprintf(string, partCommandString,
11250 appData.debugMode ? " -v" : "", appData.cmailGameName);
11251 commandOutput = popen(string, "r");
11253 if (commandOutput == NULL) {
11254 DisplayError(_("Failed to invoke cmail"), 0);
11256 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
11257 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
11259 if (nBuffers > 1) {
11260 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
11261 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
11262 nBytes = MSG_SIZ - 1;
11264 (void) memcpy(msg, buffer, nBytes);
11266 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
11268 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
11269 cmailMailedMove = TRUE; /* Prevent >1 moves */
11272 for (i = 0; i < nCmailGames; i ++) {
11273 if (cmailResult[i] == CMAIL_NOT_RESULT) {
11278 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
11280 sprintf(buffer, "%s/%s.%s.archive",
11282 appData.cmailGameName,
11284 LoadGameFromFile(buffer, 1, buffer, FALSE);
11285 cmailMsgLoaded = FALSE;
11289 DisplayInformation(msg);
11290 pclose(commandOutput);
11293 if ((*cmailMsg) != '\0') {
11294 DisplayInformation(cmailMsg);
11299 #endif /* !WIN32 */
11308 int prependComma = 0;
11310 char string[MSG_SIZ]; /* Space for game-list */
11313 if (!cmailMsgLoaded) return "";
11315 if (cmailMailedMove) {
11316 sprintf(cmailMsg, _("Waiting for reply from opponent\n"));
11318 /* Create a list of games left */
11319 sprintf(string, "[");
11320 for (i = 0; i < nCmailGames; i ++) {
11321 if (! ( cmailMoveRegistered[i]
11322 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
11323 if (prependComma) {
11324 sprintf(number, ",%d", i + 1);
11326 sprintf(number, "%d", i + 1);
11330 strcat(string, number);
11333 strcat(string, "]");
11335 if (nCmailMovesRegistered + nCmailResults == 0) {
11336 switch (nCmailGames) {
11339 _("Still need to make move for game\n"));
11344 _("Still need to make moves for both games\n"));
11349 _("Still need to make moves for all %d games\n"),
11354 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
11357 _("Still need to make a move for game %s\n"),
11362 if (nCmailResults == nCmailGames) {
11363 sprintf(cmailMsg, _("No unfinished games\n"));
11365 sprintf(cmailMsg, _("Ready to send mail\n"));
11371 _("Still need to make moves for games %s\n"),
11383 if (gameMode == Training)
11384 SetTrainingModeOff();
11387 cmailMsgLoaded = FALSE;
11388 if (appData.icsActive) {
11389 SendToICS(ics_prefix);
11390 SendToICS("refresh\n");
11400 /* Give up on clean exit */
11404 /* Keep trying for clean exit */
11408 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
11410 if (telnetISR != NULL) {
11411 RemoveInputSource(telnetISR);
11413 if (icsPR != NoProc) {
11414 DestroyChildProcess(icsPR, TRUE);
11417 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
11418 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
11420 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
11421 /* make sure this other one finishes before killing it! */
11422 if(endingGame) { int count = 0;
11423 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
11424 while(endingGame && count++ < 10) DoSleep(1);
11425 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
11428 /* Kill off chess programs */
11429 if (first.pr != NoProc) {
11432 DoSleep( appData.delayBeforeQuit );
11433 SendToProgram("quit\n", &first);
11434 DoSleep( appData.delayAfterQuit );
11435 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
11437 if (second.pr != NoProc) {
11438 DoSleep( appData.delayBeforeQuit );
11439 SendToProgram("quit\n", &second);
11440 DoSleep( appData.delayAfterQuit );
11441 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
11443 if (first.isr != NULL) {
11444 RemoveInputSource(first.isr);
11446 if (second.isr != NULL) {
11447 RemoveInputSource(second.isr);
11450 ShutDownFrontEnd();
11457 if (appData.debugMode)
11458 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
11462 if (gameMode == MachinePlaysWhite ||
11463 gameMode == MachinePlaysBlack) {
11466 DisplayBothClocks();
11468 if (gameMode == PlayFromGameFile) {
11469 if (appData.timeDelay >= 0)
11470 AutoPlayGameLoop();
11471 } else if (gameMode == IcsExamining && pauseExamInvalid) {
11472 Reset(FALSE, TRUE);
11473 SendToICS(ics_prefix);
11474 SendToICS("refresh\n");
11475 } else if (currentMove < forwardMostMove) {
11476 ForwardInner(forwardMostMove);
11478 pauseExamInvalid = FALSE;
11480 switch (gameMode) {
11484 pauseExamForwardMostMove = forwardMostMove;
11485 pauseExamInvalid = FALSE;
11488 case IcsPlayingWhite:
11489 case IcsPlayingBlack:
11493 case PlayFromGameFile:
11494 (void) StopLoadGameTimer();
11498 case BeginningOfGame:
11499 if (appData.icsActive) return;
11500 /* else fall through */
11501 case MachinePlaysWhite:
11502 case MachinePlaysBlack:
11503 case TwoMachinesPlay:
11504 if (forwardMostMove == 0)
11505 return; /* don't pause if no one has moved */
11506 if ((gameMode == MachinePlaysWhite &&
11507 !WhiteOnMove(forwardMostMove)) ||
11508 (gameMode == MachinePlaysBlack &&
11509 WhiteOnMove(forwardMostMove))) {
11522 char title[MSG_SIZ];
11524 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
11525 strcpy(title, _("Edit comment"));
11527 sprintf(title, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
11528 WhiteOnMove(currentMove - 1) ? " " : ".. ",
11529 parseList[currentMove - 1]);
11532 EditCommentPopUp(currentMove, title, commentList[currentMove]);
11539 char *tags = PGNTags(&gameInfo);
11540 EditTagsPopUp(tags);
11547 if (appData.noChessProgram || gameMode == AnalyzeMode)
11550 if (gameMode != AnalyzeFile) {
11551 if (!appData.icsEngineAnalyze) {
11553 if (gameMode != EditGame) return;
11555 ResurrectChessProgram();
11556 SendToProgram("analyze\n", &first);
11557 first.analyzing = TRUE;
11558 /*first.maybeThinking = TRUE;*/
11559 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11560 EngineOutputPopUp();
11562 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
11567 StartAnalysisClock();
11568 GetTimeMark(&lastNodeCountTime);
11575 if (appData.noChessProgram || gameMode == AnalyzeFile)
11578 if (gameMode != AnalyzeMode) {
11580 if (gameMode != EditGame) return;
11581 ResurrectChessProgram();
11582 SendToProgram("analyze\n", &first);
11583 first.analyzing = TRUE;
11584 /*first.maybeThinking = TRUE;*/
11585 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11586 EngineOutputPopUp();
11588 gameMode = AnalyzeFile;
11593 StartAnalysisClock();
11594 GetTimeMark(&lastNodeCountTime);
11599 MachineWhiteEvent()
11602 char *bookHit = NULL;
11604 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
11608 if (gameMode == PlayFromGameFile ||
11609 gameMode == TwoMachinesPlay ||
11610 gameMode == Training ||
11611 gameMode == AnalyzeMode ||
11612 gameMode == EndOfGame)
11615 if (gameMode == EditPosition)
11616 EditPositionDone(TRUE);
11618 if (!WhiteOnMove(currentMove)) {
11619 DisplayError(_("It is not White's turn"), 0);
11623 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11626 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11627 gameMode == AnalyzeFile)
11630 ResurrectChessProgram(); /* in case it isn't running */
11631 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
11632 gameMode = MachinePlaysWhite;
11635 gameMode = MachinePlaysWhite;
11639 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11641 if (first.sendName) {
11642 sprintf(buf, "name %s\n", gameInfo.black);
11643 SendToProgram(buf, &first);
11645 if (first.sendTime) {
11646 if (first.useColors) {
11647 SendToProgram("black\n", &first); /*gnu kludge*/
11649 SendTimeRemaining(&first, TRUE);
11651 if (first.useColors) {
11652 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
11654 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11655 SetMachineThinkingEnables();
11656 first.maybeThinking = TRUE;
11660 if (appData.autoFlipView && !flipView) {
11661 flipView = !flipView;
11662 DrawPosition(FALSE, NULL);
11663 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11666 if(bookHit) { // [HGM] book: simulate book reply
11667 static char bookMove[MSG_SIZ]; // a bit generous?
11669 programStats.nodes = programStats.depth = programStats.time =
11670 programStats.score = programStats.got_only_move = 0;
11671 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11673 strcpy(bookMove, "move ");
11674 strcat(bookMove, bookHit);
11675 HandleMachineMove(bookMove, &first);
11680 MachineBlackEvent()
11683 char *bookHit = NULL;
11685 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
11689 if (gameMode == PlayFromGameFile ||
11690 gameMode == TwoMachinesPlay ||
11691 gameMode == Training ||
11692 gameMode == AnalyzeMode ||
11693 gameMode == EndOfGame)
11696 if (gameMode == EditPosition)
11697 EditPositionDone(TRUE);
11699 if (WhiteOnMove(currentMove)) {
11700 DisplayError(_("It is not Black's turn"), 0);
11704 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11707 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11708 gameMode == AnalyzeFile)
11711 ResurrectChessProgram(); /* in case it isn't running */
11712 gameMode = MachinePlaysBlack;
11716 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11718 if (first.sendName) {
11719 sprintf(buf, "name %s\n", gameInfo.white);
11720 SendToProgram(buf, &first);
11722 if (first.sendTime) {
11723 if (first.useColors) {
11724 SendToProgram("white\n", &first); /*gnu kludge*/
11726 SendTimeRemaining(&first, FALSE);
11728 if (first.useColors) {
11729 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
11731 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11732 SetMachineThinkingEnables();
11733 first.maybeThinking = TRUE;
11736 if (appData.autoFlipView && flipView) {
11737 flipView = !flipView;
11738 DrawPosition(FALSE, NULL);
11739 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11741 if(bookHit) { // [HGM] book: simulate book reply
11742 static char bookMove[MSG_SIZ]; // a bit generous?
11744 programStats.nodes = programStats.depth = programStats.time =
11745 programStats.score = programStats.got_only_move = 0;
11746 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11748 strcpy(bookMove, "move ");
11749 strcat(bookMove, bookHit);
11750 HandleMachineMove(bookMove, &first);
11756 DisplayTwoMachinesTitle()
11759 if (appData.matchGames > 0) {
11760 if (first.twoMachinesColor[0] == 'w') {
11761 sprintf(buf, "%s vs. %s (%d-%d-%d)",
11762 gameInfo.white, gameInfo.black,
11763 first.matchWins, second.matchWins,
11764 matchGame - 1 - (first.matchWins + second.matchWins));
11766 sprintf(buf, "%s vs. %s (%d-%d-%d)",
11767 gameInfo.white, gameInfo.black,
11768 second.matchWins, first.matchWins,
11769 matchGame - 1 - (first.matchWins + second.matchWins));
11772 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11778 TwoMachinesEvent P((void))
11782 ChessProgramState *onmove;
11783 char *bookHit = NULL;
11785 if (appData.noChessProgram) return;
11787 switch (gameMode) {
11788 case TwoMachinesPlay:
11790 case MachinePlaysWhite:
11791 case MachinePlaysBlack:
11792 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11793 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11797 case BeginningOfGame:
11798 case PlayFromGameFile:
11801 if (gameMode != EditGame) return;
11804 EditPositionDone(TRUE);
11815 // forwardMostMove = currentMove;
11816 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
11817 ResurrectChessProgram(); /* in case first program isn't running */
11819 if (second.pr == NULL) {
11820 StartChessProgram(&second);
11821 if (second.protocolVersion == 1) {
11822 TwoMachinesEventIfReady();
11824 /* kludge: allow timeout for initial "feature" command */
11826 DisplayMessage("", _("Starting second chess program"));
11827 ScheduleDelayedEvent(TwoMachinesEventIfReady, FEATURE_TIMEOUT);
11831 DisplayMessage("", "");
11832 InitChessProgram(&second, FALSE);
11833 SendToProgram("force\n", &second);
11834 if (startedFromSetupPosition) {
11835 SendBoard(&second, backwardMostMove);
11836 if (appData.debugMode) {
11837 fprintf(debugFP, "Two Machines\n");
11840 for (i = backwardMostMove; i < forwardMostMove; i++) {
11841 SendMoveToProgram(i, &second);
11844 gameMode = TwoMachinesPlay;
11848 DisplayTwoMachinesTitle();
11850 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
11856 SendToProgram(first.computerString, &first);
11857 if (first.sendName) {
11858 sprintf(buf, "name %s\n", second.tidy);
11859 SendToProgram(buf, &first);
11861 SendToProgram(second.computerString, &second);
11862 if (second.sendName) {
11863 sprintf(buf, "name %s\n", first.tidy);
11864 SendToProgram(buf, &second);
11868 if (!first.sendTime || !second.sendTime) {
11869 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11870 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11872 if (onmove->sendTime) {
11873 if (onmove->useColors) {
11874 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
11876 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
11878 if (onmove->useColors) {
11879 SendToProgram(onmove->twoMachinesColor, onmove);
11881 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
11882 // SendToProgram("go\n", onmove);
11883 onmove->maybeThinking = TRUE;
11884 SetMachineThinkingEnables();
11888 if(bookHit) { // [HGM] book: simulate book reply
11889 static char bookMove[MSG_SIZ]; // a bit generous?
11891 programStats.nodes = programStats.depth = programStats.time =
11892 programStats.score = programStats.got_only_move = 0;
11893 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11895 strcpy(bookMove, "move ");
11896 strcat(bookMove, bookHit);
11897 savedMessage = bookMove; // args for deferred call
11898 savedState = onmove;
11899 ScheduleDelayedEvent(DeferredBookMove, 1);
11906 if (gameMode == Training) {
11907 SetTrainingModeOff();
11908 gameMode = PlayFromGameFile;
11909 DisplayMessage("", _("Training mode off"));
11911 gameMode = Training;
11912 animateTraining = appData.animate;
11914 /* make sure we are not already at the end of the game */
11915 if (currentMove < forwardMostMove) {
11916 SetTrainingModeOn();
11917 DisplayMessage("", _("Training mode on"));
11919 gameMode = PlayFromGameFile;
11920 DisplayError(_("Already at end of game"), 0);
11929 if (!appData.icsActive) return;
11930 switch (gameMode) {
11931 case IcsPlayingWhite:
11932 case IcsPlayingBlack:
11935 case BeginningOfGame:
11943 EditPositionDone(TRUE);
11956 gameMode = IcsIdle;
11967 switch (gameMode) {
11969 SetTrainingModeOff();
11971 case MachinePlaysWhite:
11972 case MachinePlaysBlack:
11973 case BeginningOfGame:
11974 SendToProgram("force\n", &first);
11975 SetUserThinkingEnables();
11977 case PlayFromGameFile:
11978 (void) StopLoadGameTimer();
11979 if (gameFileFP != NULL) {
11984 EditPositionDone(TRUE);
11989 SendToProgram("force\n", &first);
11991 case TwoMachinesPlay:
11992 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
11993 ResurrectChessProgram();
11994 SetUserThinkingEnables();
11997 ResurrectChessProgram();
11999 case IcsPlayingBlack:
12000 case IcsPlayingWhite:
12001 DisplayError(_("Warning: You are still playing a game"), 0);
12004 DisplayError(_("Warning: You are still observing a game"), 0);
12007 DisplayError(_("Warning: You are still examining a game"), 0);
12018 first.offeredDraw = second.offeredDraw = 0;
12020 if (gameMode == PlayFromGameFile) {
12021 whiteTimeRemaining = timeRemaining[0][currentMove];
12022 blackTimeRemaining = timeRemaining[1][currentMove];
12026 if (gameMode == MachinePlaysWhite ||
12027 gameMode == MachinePlaysBlack ||
12028 gameMode == TwoMachinesPlay ||
12029 gameMode == EndOfGame) {
12030 i = forwardMostMove;
12031 while (i > currentMove) {
12032 SendToProgram("undo\n", &first);
12035 whiteTimeRemaining = timeRemaining[0][currentMove];
12036 blackTimeRemaining = timeRemaining[1][currentMove];
12037 DisplayBothClocks();
12038 if (whiteFlag || blackFlag) {
12039 whiteFlag = blackFlag = 0;
12044 gameMode = EditGame;
12051 EditPositionEvent()
12053 if (gameMode == EditPosition) {
12059 if (gameMode != EditGame) return;
12061 gameMode = EditPosition;
12064 if (currentMove > 0)
12065 CopyBoard(boards[0], boards[currentMove]);
12067 blackPlaysFirst = !WhiteOnMove(currentMove);
12069 currentMove = forwardMostMove = backwardMostMove = 0;
12070 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12077 /* [DM] icsEngineAnalyze - possible call from other functions */
12078 if (appData.icsEngineAnalyze) {
12079 appData.icsEngineAnalyze = FALSE;
12081 DisplayMessage("",_("Close ICS engine analyze..."));
12083 if (first.analysisSupport && first.analyzing) {
12084 SendToProgram("exit\n", &first);
12085 first.analyzing = FALSE;
12087 thinkOutput[0] = NULLCHAR;
12091 EditPositionDone(Boolean fakeRights)
12093 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
12095 startedFromSetupPosition = TRUE;
12096 InitChessProgram(&first, FALSE);
12097 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
12098 boards[0][EP_STATUS] = EP_NONE;
12099 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
12100 if(boards[0][0][BOARD_WIDTH>>1] == king) {
12101 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
12102 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
12103 } else boards[0][CASTLING][2] = NoRights;
12104 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
12105 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
12106 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
12107 } else boards[0][CASTLING][5] = NoRights;
12109 SendToProgram("force\n", &first);
12110 if (blackPlaysFirst) {
12111 strcpy(moveList[0], "");
12112 strcpy(parseList[0], "");
12113 currentMove = forwardMostMove = backwardMostMove = 1;
12114 CopyBoard(boards[1], boards[0]);
12116 currentMove = forwardMostMove = backwardMostMove = 0;
12118 SendBoard(&first, forwardMostMove);
12119 if (appData.debugMode) {
12120 fprintf(debugFP, "EditPosDone\n");
12123 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12124 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12125 gameMode = EditGame;
12127 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12128 ClearHighlights(); /* [AS] */
12131 /* Pause for `ms' milliseconds */
12132 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12142 } while (SubtractTimeMarks(&m2, &m1) < ms);
12145 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12147 SendMultiLineToICS(buf)
12150 char temp[MSG_SIZ+1], *p;
12157 strncpy(temp, buf, len);
12162 if (*p == '\n' || *p == '\r')
12167 strcat(temp, "\n");
12169 SendToPlayer(temp, strlen(temp));
12173 SetWhiteToPlayEvent()
12175 if (gameMode == EditPosition) {
12176 blackPlaysFirst = FALSE;
12177 DisplayBothClocks(); /* works because currentMove is 0 */
12178 } else if (gameMode == IcsExamining) {
12179 SendToICS(ics_prefix);
12180 SendToICS("tomove white\n");
12185 SetBlackToPlayEvent()
12187 if (gameMode == EditPosition) {
12188 blackPlaysFirst = TRUE;
12189 currentMove = 1; /* kludge */
12190 DisplayBothClocks();
12192 } else if (gameMode == IcsExamining) {
12193 SendToICS(ics_prefix);
12194 SendToICS("tomove black\n");
12199 EditPositionMenuEvent(selection, x, y)
12200 ChessSquare selection;
12204 ChessSquare piece = boards[0][y][x];
12206 if (gameMode != EditPosition && gameMode != IcsExamining) return;
12208 switch (selection) {
12210 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
12211 SendToICS(ics_prefix);
12212 SendToICS("bsetup clear\n");
12213 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
12214 SendToICS(ics_prefix);
12215 SendToICS("clearboard\n");
12217 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
12218 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
12219 for (y = 0; y < BOARD_HEIGHT; y++) {
12220 if (gameMode == IcsExamining) {
12221 if (boards[currentMove][y][x] != EmptySquare) {
12222 sprintf(buf, "%sx@%c%c\n", ics_prefix,
12227 boards[0][y][x] = p;
12232 if (gameMode == EditPosition) {
12233 DrawPosition(FALSE, boards[0]);
12238 SetWhiteToPlayEvent();
12242 SetBlackToPlayEvent();
12246 if (gameMode == IcsExamining) {
12247 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12248 sprintf(buf, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
12251 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12252 if(x == BOARD_LEFT-2) {
12253 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
12254 boards[0][y][1] = 0;
12256 if(x == BOARD_RGHT+1) {
12257 if(y >= gameInfo.holdingsSize) break;
12258 boards[0][y][BOARD_WIDTH-2] = 0;
12261 boards[0][y][x] = EmptySquare;
12262 DrawPosition(FALSE, boards[0]);
12267 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
12268 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
12269 selection = (ChessSquare) (PROMOTED piece);
12270 } else if(piece == EmptySquare) selection = WhiteSilver;
12271 else selection = (ChessSquare)((int)piece - 1);
12275 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
12276 piece > (int)BlackMan && piece <= (int)BlackKing ) {
12277 selection = (ChessSquare) (DEMOTED piece);
12278 } else if(piece == EmptySquare) selection = BlackSilver;
12279 else selection = (ChessSquare)((int)piece + 1);
12284 if(gameInfo.variant == VariantShatranj ||
12285 gameInfo.variant == VariantXiangqi ||
12286 gameInfo.variant == VariantCourier ||
12287 gameInfo.variant == VariantMakruk )
12288 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
12293 if(gameInfo.variant == VariantXiangqi)
12294 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
12295 if(gameInfo.variant == VariantKnightmate)
12296 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
12299 if (gameMode == IcsExamining) {
12300 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12301 sprintf(buf, "%s%c@%c%c\n", ics_prefix,
12302 PieceToChar(selection), AAA + x, ONE + y);
12305 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12307 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
12308 n = PieceToNumber(selection - BlackPawn);
12309 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
12310 boards[0][BOARD_HEIGHT-1-n][0] = selection;
12311 boards[0][BOARD_HEIGHT-1-n][1]++;
12313 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
12314 n = PieceToNumber(selection);
12315 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
12316 boards[0][n][BOARD_WIDTH-1] = selection;
12317 boards[0][n][BOARD_WIDTH-2]++;
12320 boards[0][y][x] = selection;
12321 DrawPosition(TRUE, boards[0]);
12329 DropMenuEvent(selection, x, y)
12330 ChessSquare selection;
12333 ChessMove moveType;
12335 switch (gameMode) {
12336 case IcsPlayingWhite:
12337 case MachinePlaysBlack:
12338 if (!WhiteOnMove(currentMove)) {
12339 DisplayMoveError(_("It is Black's turn"));
12342 moveType = WhiteDrop;
12344 case IcsPlayingBlack:
12345 case MachinePlaysWhite:
12346 if (WhiteOnMove(currentMove)) {
12347 DisplayMoveError(_("It is White's turn"));
12350 moveType = BlackDrop;
12353 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
12359 if (moveType == BlackDrop && selection < BlackPawn) {
12360 selection = (ChessSquare) ((int) selection
12361 + (int) BlackPawn - (int) WhitePawn);
12363 if (boards[currentMove][y][x] != EmptySquare) {
12364 DisplayMoveError(_("That square is occupied"));
12368 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
12374 /* Accept a pending offer of any kind from opponent */
12376 if (appData.icsActive) {
12377 SendToICS(ics_prefix);
12378 SendToICS("accept\n");
12379 } else if (cmailMsgLoaded) {
12380 if (currentMove == cmailOldMove &&
12381 commentList[cmailOldMove] != NULL &&
12382 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12383 "Black offers a draw" : "White offers a draw")) {
12385 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12386 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12388 DisplayError(_("There is no pending offer on this move"), 0);
12389 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12392 /* Not used for offers from chess program */
12399 /* Decline a pending offer of any kind from opponent */
12401 if (appData.icsActive) {
12402 SendToICS(ics_prefix);
12403 SendToICS("decline\n");
12404 } else if (cmailMsgLoaded) {
12405 if (currentMove == cmailOldMove &&
12406 commentList[cmailOldMove] != NULL &&
12407 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12408 "Black offers a draw" : "White offers a draw")) {
12410 AppendComment(cmailOldMove, "Draw declined", TRUE);
12411 DisplayComment(cmailOldMove - 1, "Draw declined");
12414 DisplayError(_("There is no pending offer on this move"), 0);
12417 /* Not used for offers from chess program */
12424 /* Issue ICS rematch command */
12425 if (appData.icsActive) {
12426 SendToICS(ics_prefix);
12427 SendToICS("rematch\n");
12434 /* Call your opponent's flag (claim a win on time) */
12435 if (appData.icsActive) {
12436 SendToICS(ics_prefix);
12437 SendToICS("flag\n");
12439 switch (gameMode) {
12442 case MachinePlaysWhite:
12445 GameEnds(GameIsDrawn, "Both players ran out of time",
12448 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
12450 DisplayError(_("Your opponent is not out of time"), 0);
12453 case MachinePlaysBlack:
12456 GameEnds(GameIsDrawn, "Both players ran out of time",
12459 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
12461 DisplayError(_("Your opponent is not out of time"), 0);
12471 /* Offer draw or accept pending draw offer from opponent */
12473 if (appData.icsActive) {
12474 /* Note: tournament rules require draw offers to be
12475 made after you make your move but before you punch
12476 your clock. Currently ICS doesn't let you do that;
12477 instead, you immediately punch your clock after making
12478 a move, but you can offer a draw at any time. */
12480 SendToICS(ics_prefix);
12481 SendToICS("draw\n");
12482 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
12483 } else if (cmailMsgLoaded) {
12484 if (currentMove == cmailOldMove &&
12485 commentList[cmailOldMove] != NULL &&
12486 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12487 "Black offers a draw" : "White offers a draw")) {
12488 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12489 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12490 } else if (currentMove == cmailOldMove + 1) {
12491 char *offer = WhiteOnMove(cmailOldMove) ?
12492 "White offers a draw" : "Black offers a draw";
12493 AppendComment(currentMove, offer, TRUE);
12494 DisplayComment(currentMove - 1, offer);
12495 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
12497 DisplayError(_("You must make your move before offering a draw"), 0);
12498 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12500 } else if (first.offeredDraw) {
12501 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
12503 if (first.sendDrawOffers) {
12504 SendToProgram("draw\n", &first);
12505 userOfferedDraw = TRUE;
12513 /* Offer Adjourn or accept pending Adjourn offer from opponent */
12515 if (appData.icsActive) {
12516 SendToICS(ics_prefix);
12517 SendToICS("adjourn\n");
12519 /* Currently GNU Chess doesn't offer or accept Adjourns */
12527 /* Offer Abort or accept pending Abort offer from opponent */
12529 if (appData.icsActive) {
12530 SendToICS(ics_prefix);
12531 SendToICS("abort\n");
12533 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
12540 /* Resign. You can do this even if it's not your turn. */
12542 if (appData.icsActive) {
12543 SendToICS(ics_prefix);
12544 SendToICS("resign\n");
12546 switch (gameMode) {
12547 case MachinePlaysWhite:
12548 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12550 case MachinePlaysBlack:
12551 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12554 if (cmailMsgLoaded) {
12556 if (WhiteOnMove(cmailOldMove)) {
12557 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12559 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12561 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
12572 StopObservingEvent()
12574 /* Stop observing current games */
12575 SendToICS(ics_prefix);
12576 SendToICS("unobserve\n");
12580 StopExaminingEvent()
12582 /* Stop observing current game */
12583 SendToICS(ics_prefix);
12584 SendToICS("unexamine\n");
12588 ForwardInner(target)
12593 if (appData.debugMode)
12594 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
12595 target, currentMove, forwardMostMove);
12597 if (gameMode == EditPosition)
12600 if (gameMode == PlayFromGameFile && !pausing)
12603 if (gameMode == IcsExamining && pausing)
12604 limit = pauseExamForwardMostMove;
12606 limit = forwardMostMove;
12608 if (target > limit) target = limit;
12610 if (target > 0 && moveList[target - 1][0]) {
12611 int fromX, fromY, toX, toY;
12612 toX = moveList[target - 1][2] - AAA;
12613 toY = moveList[target - 1][3] - ONE;
12614 if (moveList[target - 1][1] == '@') {
12615 if (appData.highlightLastMove) {
12616 SetHighlights(-1, -1, toX, toY);
12619 fromX = moveList[target - 1][0] - AAA;
12620 fromY = moveList[target - 1][1] - ONE;
12621 if (target == currentMove + 1) {
12622 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12624 if (appData.highlightLastMove) {
12625 SetHighlights(fromX, fromY, toX, toY);
12629 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12630 gameMode == Training || gameMode == PlayFromGameFile ||
12631 gameMode == AnalyzeFile) {
12632 while (currentMove < target) {
12633 SendMoveToProgram(currentMove++, &first);
12636 currentMove = target;
12639 if (gameMode == EditGame || gameMode == EndOfGame) {
12640 whiteTimeRemaining = timeRemaining[0][currentMove];
12641 blackTimeRemaining = timeRemaining[1][currentMove];
12643 DisplayBothClocks();
12644 DisplayMove(currentMove - 1);
12645 DrawPosition(FALSE, boards[currentMove]);
12646 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12647 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
12648 DisplayComment(currentMove - 1, commentList[currentMove]);
12656 if (gameMode == IcsExamining && !pausing) {
12657 SendToICS(ics_prefix);
12658 SendToICS("forward\n");
12660 ForwardInner(currentMove + 1);
12667 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12668 /* to optimze, we temporarily turn off analysis mode while we feed
12669 * the remaining moves to the engine. Otherwise we get analysis output
12672 if (first.analysisSupport) {
12673 SendToProgram("exit\nforce\n", &first);
12674 first.analyzing = FALSE;
12678 if (gameMode == IcsExamining && !pausing) {
12679 SendToICS(ics_prefix);
12680 SendToICS("forward 999999\n");
12682 ForwardInner(forwardMostMove);
12685 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12686 /* we have fed all the moves, so reactivate analysis mode */
12687 SendToProgram("analyze\n", &first);
12688 first.analyzing = TRUE;
12689 /*first.maybeThinking = TRUE;*/
12690 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12695 BackwardInner(target)
12698 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
12700 if (appData.debugMode)
12701 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
12702 target, currentMove, forwardMostMove);
12704 if (gameMode == EditPosition) return;
12705 if (currentMove <= backwardMostMove) {
12707 DrawPosition(full_redraw, boards[currentMove]);
12710 if (gameMode == PlayFromGameFile && !pausing)
12713 if (moveList[target][0]) {
12714 int fromX, fromY, toX, toY;
12715 toX = moveList[target][2] - AAA;
12716 toY = moveList[target][3] - ONE;
12717 if (moveList[target][1] == '@') {
12718 if (appData.highlightLastMove) {
12719 SetHighlights(-1, -1, toX, toY);
12722 fromX = moveList[target][0] - AAA;
12723 fromY = moveList[target][1] - ONE;
12724 if (target == currentMove - 1) {
12725 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
12727 if (appData.highlightLastMove) {
12728 SetHighlights(fromX, fromY, toX, toY);
12732 if (gameMode == EditGame || gameMode==AnalyzeMode ||
12733 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
12734 while (currentMove > target) {
12735 SendToProgram("undo\n", &first);
12739 currentMove = target;
12742 if (gameMode == EditGame || gameMode == EndOfGame) {
12743 whiteTimeRemaining = timeRemaining[0][currentMove];
12744 blackTimeRemaining = timeRemaining[1][currentMove];
12746 DisplayBothClocks();
12747 DisplayMove(currentMove - 1);
12748 DrawPosition(full_redraw, boards[currentMove]);
12749 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12750 // [HGM] PV info: routine tests if comment empty
12751 DisplayComment(currentMove - 1, commentList[currentMove]);
12757 if (gameMode == IcsExamining && !pausing) {
12758 SendToICS(ics_prefix);
12759 SendToICS("backward\n");
12761 BackwardInner(currentMove - 1);
12768 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12769 /* to optimize, we temporarily turn off analysis mode while we undo
12770 * all the moves. Otherwise we get analysis output after each undo.
12772 if (first.analysisSupport) {
12773 SendToProgram("exit\nforce\n", &first);
12774 first.analyzing = FALSE;
12778 if (gameMode == IcsExamining && !pausing) {
12779 SendToICS(ics_prefix);
12780 SendToICS("backward 999999\n");
12782 BackwardInner(backwardMostMove);
12785 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12786 /* we have fed all the moves, so reactivate analysis mode */
12787 SendToProgram("analyze\n", &first);
12788 first.analyzing = TRUE;
12789 /*first.maybeThinking = TRUE;*/
12790 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12797 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
12798 if (to >= forwardMostMove) to = forwardMostMove;
12799 if (to <= backwardMostMove) to = backwardMostMove;
12800 if (to < currentMove) {
12808 RevertEvent(Boolean annotate)
12810 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
12813 if (gameMode != IcsExamining) {
12814 DisplayError(_("You are not examining a game"), 0);
12818 DisplayError(_("You can't revert while pausing"), 0);
12821 SendToICS(ics_prefix);
12822 SendToICS("revert\n");
12828 switch (gameMode) {
12829 case MachinePlaysWhite:
12830 case MachinePlaysBlack:
12831 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12832 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12835 if (forwardMostMove < 2) return;
12836 currentMove = forwardMostMove = forwardMostMove - 2;
12837 whiteTimeRemaining = timeRemaining[0][currentMove];
12838 blackTimeRemaining = timeRemaining[1][currentMove];
12839 DisplayBothClocks();
12840 DisplayMove(currentMove - 1);
12841 ClearHighlights();/*!! could figure this out*/
12842 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
12843 SendToProgram("remove\n", &first);
12844 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
12847 case BeginningOfGame:
12851 case IcsPlayingWhite:
12852 case IcsPlayingBlack:
12853 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
12854 SendToICS(ics_prefix);
12855 SendToICS("takeback 2\n");
12857 SendToICS(ics_prefix);
12858 SendToICS("takeback 1\n");
12867 ChessProgramState *cps;
12869 switch (gameMode) {
12870 case MachinePlaysWhite:
12871 if (!WhiteOnMove(forwardMostMove)) {
12872 DisplayError(_("It is your turn"), 0);
12877 case MachinePlaysBlack:
12878 if (WhiteOnMove(forwardMostMove)) {
12879 DisplayError(_("It is your turn"), 0);
12884 case TwoMachinesPlay:
12885 if (WhiteOnMove(forwardMostMove) ==
12886 (first.twoMachinesColor[0] == 'w')) {
12892 case BeginningOfGame:
12896 SendToProgram("?\n", cps);
12900 TruncateGameEvent()
12903 if (gameMode != EditGame) return;
12910 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
12911 if (forwardMostMove > currentMove) {
12912 if (gameInfo.resultDetails != NULL) {
12913 free(gameInfo.resultDetails);
12914 gameInfo.resultDetails = NULL;
12915 gameInfo.result = GameUnfinished;
12917 forwardMostMove = currentMove;
12918 HistorySet(parseList, backwardMostMove, forwardMostMove,
12926 if (appData.noChessProgram) return;
12927 switch (gameMode) {
12928 case MachinePlaysWhite:
12929 if (WhiteOnMove(forwardMostMove)) {
12930 DisplayError(_("Wait until your turn"), 0);
12934 case BeginningOfGame:
12935 case MachinePlaysBlack:
12936 if (!WhiteOnMove(forwardMostMove)) {
12937 DisplayError(_("Wait until your turn"), 0);
12942 DisplayError(_("No hint available"), 0);
12945 SendToProgram("hint\n", &first);
12946 hintRequested = TRUE;
12952 if (appData.noChessProgram) return;
12953 switch (gameMode) {
12954 case MachinePlaysWhite:
12955 if (WhiteOnMove(forwardMostMove)) {
12956 DisplayError(_("Wait until your turn"), 0);
12960 case BeginningOfGame:
12961 case MachinePlaysBlack:
12962 if (!WhiteOnMove(forwardMostMove)) {
12963 DisplayError(_("Wait until your turn"), 0);
12968 EditPositionDone(TRUE);
12970 case TwoMachinesPlay:
12975 SendToProgram("bk\n", &first);
12976 bookOutput[0] = NULLCHAR;
12977 bookRequested = TRUE;
12983 char *tags = PGNTags(&gameInfo);
12984 TagsPopUp(tags, CmailMsg());
12988 /* end button procedures */
12991 PrintPosition(fp, move)
12997 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12998 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
12999 char c = PieceToChar(boards[move][i][j]);
13000 fputc(c == 'x' ? '.' : c, fp);
13001 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
13004 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
13005 fprintf(fp, "white to play\n");
13007 fprintf(fp, "black to play\n");
13014 if (gameInfo.white != NULL) {
13015 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
13021 /* Find last component of program's own name, using some heuristics */
13023 TidyProgramName(prog, host, buf)
13024 char *prog, *host, buf[MSG_SIZ];
13027 int local = (strcmp(host, "localhost") == 0);
13028 while (!local && (p = strchr(prog, ';')) != NULL) {
13030 while (*p == ' ') p++;
13033 if (*prog == '"' || *prog == '\'') {
13034 q = strchr(prog + 1, *prog);
13036 q = strchr(prog, ' ');
13038 if (q == NULL) q = prog + strlen(prog);
13040 while (p >= prog && *p != '/' && *p != '\\') p--;
13042 if(p == prog && *p == '"') p++;
13043 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
13044 memcpy(buf, p, q - p);
13045 buf[q - p] = NULLCHAR;
13053 TimeControlTagValue()
13056 if (!appData.clockMode) {
13058 } else if (movesPerSession > 0) {
13059 sprintf(buf, "%d/%ld", movesPerSession, timeControl/1000);
13060 } else if (timeIncrement == 0) {
13061 sprintf(buf, "%ld", timeControl/1000);
13063 sprintf(buf, "%ld+%ld", timeControl/1000, timeIncrement/1000);
13065 return StrSave(buf);
13071 /* This routine is used only for certain modes */
13072 VariantClass v = gameInfo.variant;
13073 ChessMove r = GameUnfinished;
13076 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
13077 r = gameInfo.result;
13078 p = gameInfo.resultDetails;
13079 gameInfo.resultDetails = NULL;
13081 ClearGameInfo(&gameInfo);
13082 gameInfo.variant = v;
13084 switch (gameMode) {
13085 case MachinePlaysWhite:
13086 gameInfo.event = StrSave( appData.pgnEventHeader );
13087 gameInfo.site = StrSave(HostName());
13088 gameInfo.date = PGNDate();
13089 gameInfo.round = StrSave("-");
13090 gameInfo.white = StrSave(first.tidy);
13091 gameInfo.black = StrSave(UserName());
13092 gameInfo.timeControl = TimeControlTagValue();
13095 case MachinePlaysBlack:
13096 gameInfo.event = StrSave( appData.pgnEventHeader );
13097 gameInfo.site = StrSave(HostName());
13098 gameInfo.date = PGNDate();
13099 gameInfo.round = StrSave("-");
13100 gameInfo.white = StrSave(UserName());
13101 gameInfo.black = StrSave(first.tidy);
13102 gameInfo.timeControl = TimeControlTagValue();
13105 case TwoMachinesPlay:
13106 gameInfo.event = StrSave( appData.pgnEventHeader );
13107 gameInfo.site = StrSave(HostName());
13108 gameInfo.date = PGNDate();
13109 if (matchGame > 0) {
13111 sprintf(buf, "%d", matchGame);
13112 gameInfo.round = StrSave(buf);
13114 gameInfo.round = StrSave("-");
13116 if (first.twoMachinesColor[0] == 'w') {
13117 gameInfo.white = StrSave(first.tidy);
13118 gameInfo.black = StrSave(second.tidy);
13120 gameInfo.white = StrSave(second.tidy);
13121 gameInfo.black = StrSave(first.tidy);
13123 gameInfo.timeControl = TimeControlTagValue();
13127 gameInfo.event = StrSave("Edited game");
13128 gameInfo.site = StrSave(HostName());
13129 gameInfo.date = PGNDate();
13130 gameInfo.round = StrSave("-");
13131 gameInfo.white = StrSave("-");
13132 gameInfo.black = StrSave("-");
13133 gameInfo.result = r;
13134 gameInfo.resultDetails = p;
13138 gameInfo.event = StrSave("Edited position");
13139 gameInfo.site = StrSave(HostName());
13140 gameInfo.date = PGNDate();
13141 gameInfo.round = StrSave("-");
13142 gameInfo.white = StrSave("-");
13143 gameInfo.black = StrSave("-");
13146 case IcsPlayingWhite:
13147 case IcsPlayingBlack:
13152 case PlayFromGameFile:
13153 gameInfo.event = StrSave("Game from non-PGN file");
13154 gameInfo.site = StrSave(HostName());
13155 gameInfo.date = PGNDate();
13156 gameInfo.round = StrSave("-");
13157 gameInfo.white = StrSave("?");
13158 gameInfo.black = StrSave("?");
13167 ReplaceComment(index, text)
13173 while (*text == '\n') text++;
13174 len = strlen(text);
13175 while (len > 0 && text[len - 1] == '\n') len--;
13177 if (commentList[index] != NULL)
13178 free(commentList[index]);
13181 commentList[index] = NULL;
13184 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
13185 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
13186 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
13187 commentList[index] = (char *) malloc(len + 2);
13188 strncpy(commentList[index], text, len);
13189 commentList[index][len] = '\n';
13190 commentList[index][len + 1] = NULLCHAR;
13192 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
13194 commentList[index] = (char *) malloc(len + 6);
13195 strcpy(commentList[index], "{\n");
13196 strncpy(commentList[index]+2, text, len);
13197 commentList[index][len+2] = NULLCHAR;
13198 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
13199 strcat(commentList[index], "\n}\n");
13213 if (ch == '\r') continue;
13215 } while (ch != '\0');
13219 AppendComment(index, text, addBraces)
13222 Boolean addBraces; // [HGM] braces: tells if we should add {}
13227 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
13228 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
13231 while (*text == '\n') text++;
13232 len = strlen(text);
13233 while (len > 0 && text[len - 1] == '\n') len--;
13235 if (len == 0) return;
13237 if (commentList[index] != NULL) {
13238 old = commentList[index];
13239 oldlen = strlen(old);
13240 while(commentList[index][oldlen-1] == '\n')
13241 commentList[index][--oldlen] = NULLCHAR;
13242 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
13243 strcpy(commentList[index], old);
13245 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
13246 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces)) {
13247 if(addBraces) addBraces = FALSE; else { text++; len--; }
13248 while (*text == '\n') { text++; len--; }
13249 commentList[index][--oldlen] = NULLCHAR;
13251 if(addBraces) strcat(commentList[index], "\n{\n");
13252 else strcat(commentList[index], "\n");
13253 strcat(commentList[index], text);
13254 if(addBraces) strcat(commentList[index], "\n}\n");
13255 else strcat(commentList[index], "\n");
13257 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
13259 strcpy(commentList[index], "{\n");
13260 else commentList[index][0] = NULLCHAR;
13261 strcat(commentList[index], text);
13262 strcat(commentList[index], "\n");
13263 if(addBraces) strcat(commentList[index], "}\n");
13267 static char * FindStr( char * text, char * sub_text )
13269 char * result = strstr( text, sub_text );
13271 if( result != NULL ) {
13272 result += strlen( sub_text );
13278 /* [AS] Try to extract PV info from PGN comment */
13279 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
13280 char *GetInfoFromComment( int index, char * text )
13284 if( text != NULL && index > 0 ) {
13287 int time = -1, sec = 0, deci;
13288 char * s_eval = FindStr( text, "[%eval " );
13289 char * s_emt = FindStr( text, "[%emt " );
13291 if( s_eval != NULL || s_emt != NULL ) {
13295 if( s_eval != NULL ) {
13296 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
13300 if( delim != ']' ) {
13305 if( s_emt != NULL ) {
13310 /* We expect something like: [+|-]nnn.nn/dd */
13313 if(*text != '{') return text; // [HGM] braces: must be normal comment
13315 sep = strchr( text, '/' );
13316 if( sep == NULL || sep < (text+4) ) {
13320 time = -1; sec = -1; deci = -1;
13321 if( sscanf( text+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
13322 sscanf( text+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
13323 sscanf( text+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
13324 sscanf( text+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
13328 if( score_lo < 0 || score_lo >= 100 ) {
13332 if(sec >= 0) time = 600*time + 10*sec; else
13333 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
13335 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
13337 /* [HGM] PV time: now locate end of PV info */
13338 while( *++sep >= '0' && *sep <= '9'); // strip depth
13340 while( *++sep >= '0' && *sep <= '9'); // strip time
13342 while( *++sep >= '0' && *sep <= '9'); // strip seconds
13344 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
13345 while(*sep == ' ') sep++;
13356 pvInfoList[index-1].depth = depth;
13357 pvInfoList[index-1].score = score;
13358 pvInfoList[index-1].time = 10*time; // centi-sec
13359 if(*sep == '}') *sep = 0; else *--sep = '{';
13365 SendToProgram(message, cps)
13367 ChessProgramState *cps;
13369 int count, outCount, error;
13372 if (cps->pr == NULL) return;
13375 if (appData.debugMode) {
13378 fprintf(debugFP, "%ld >%-6s: %s",
13379 SubtractTimeMarks(&now, &programStartTime),
13380 cps->which, message);
13383 count = strlen(message);
13384 outCount = OutputToProcess(cps->pr, message, count, &error);
13385 if (outCount < count && !exiting
13386 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
13387 sprintf(buf, _("Error writing to %s chess program"), cps->which);
13388 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13389 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13390 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13391 sprintf(buf, "%s program exits in draw position (%s)", cps->which, cps->program);
13393 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13395 gameInfo.resultDetails = StrSave(buf);
13397 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13402 ReceiveFromProgram(isr, closure, message, count, error)
13403 InputSourceRef isr;
13411 ChessProgramState *cps = (ChessProgramState *)closure;
13413 if (isr != cps->isr) return; /* Killed intentionally */
13417 _("Error: %s chess program (%s) exited unexpectedly"),
13418 cps->which, cps->program);
13419 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13420 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13421 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13422 sprintf(buf, _("%s program exits in draw position (%s)"), cps->which, cps->program);
13424 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13426 gameInfo.resultDetails = StrSave(buf);
13428 RemoveInputSource(cps->isr);
13429 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
13432 _("Error reading from %s chess program (%s)"),
13433 cps->which, cps->program);
13434 RemoveInputSource(cps->isr);
13436 /* [AS] Program is misbehaving badly... kill it */
13437 if( count == -2 ) {
13438 DestroyChildProcess( cps->pr, 9 );
13442 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13447 if ((end_str = strchr(message, '\r')) != NULL)
13448 *end_str = NULLCHAR;
13449 if ((end_str = strchr(message, '\n')) != NULL)
13450 *end_str = NULLCHAR;
13452 if (appData.debugMode) {
13453 TimeMark now; int print = 1;
13454 char *quote = ""; char c; int i;
13456 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
13457 char start = message[0];
13458 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
13459 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
13460 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
13461 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
13462 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
13463 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
13464 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
13465 sscanf(message, "pong %c", &c)!=1 && start != '#') {
13466 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
13467 print = (appData.engineComments >= 2);
13469 message[0] = start; // restore original message
13473 fprintf(debugFP, "%ld <%-6s: %s%s\n",
13474 SubtractTimeMarks(&now, &programStartTime), cps->which,
13480 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
13481 if (appData.icsEngineAnalyze) {
13482 if (strstr(message, "whisper") != NULL ||
13483 strstr(message, "kibitz") != NULL ||
13484 strstr(message, "tellics") != NULL) return;
13487 HandleMachineMove(message, cps);
13492 SendTimeControl(cps, mps, tc, inc, sd, st)
13493 ChessProgramState *cps;
13494 int mps, inc, sd, st;
13500 if( timeControl_2 > 0 ) {
13501 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
13502 tc = timeControl_2;
13505 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
13506 inc /= cps->timeOdds;
13507 st /= cps->timeOdds;
13509 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
13512 /* Set exact time per move, normally using st command */
13513 if (cps->stKludge) {
13514 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
13516 if (seconds == 0) {
13517 sprintf(buf, "level 1 %d\n", st/60);
13519 sprintf(buf, "level 1 %d:%02d\n", st/60, seconds);
13522 sprintf(buf, "st %d\n", st);
13525 /* Set conventional or incremental time control, using level command */
13526 if (seconds == 0) {
13527 /* Note old gnuchess bug -- minutes:seconds used to not work.
13528 Fixed in later versions, but still avoid :seconds
13529 when seconds is 0. */
13530 sprintf(buf, "level %d %ld %d\n", mps, tc/60000, inc/1000);
13532 sprintf(buf, "level %d %ld:%02d %d\n", mps, tc/60000,
13533 seconds, inc/1000);
13536 SendToProgram(buf, cps);
13538 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
13539 /* Orthogonally, limit search to given depth */
13541 if (cps->sdKludge) {
13542 sprintf(buf, "depth\n%d\n", sd);
13544 sprintf(buf, "sd %d\n", sd);
13546 SendToProgram(buf, cps);
13549 if(cps->nps > 0) { /* [HGM] nps */
13550 if(cps->supportsNPS == FALSE) cps->nps = -1; // don't use if engine explicitly says not supported!
13552 sprintf(buf, "nps %d\n", cps->nps);
13553 SendToProgram(buf, cps);
13558 ChessProgramState *WhitePlayer()
13559 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
13561 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
13562 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
13568 SendTimeRemaining(cps, machineWhite)
13569 ChessProgramState *cps;
13570 int /*boolean*/ machineWhite;
13572 char message[MSG_SIZ];
13575 /* Note: this routine must be called when the clocks are stopped
13576 or when they have *just* been set or switched; otherwise
13577 it will be off by the time since the current tick started.
13579 if (machineWhite) {
13580 time = whiteTimeRemaining / 10;
13581 otime = blackTimeRemaining / 10;
13583 time = blackTimeRemaining / 10;
13584 otime = whiteTimeRemaining / 10;
13586 /* [HGM] translate opponent's time by time-odds factor */
13587 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
13588 if (appData.debugMode) {
13589 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
13592 if (time <= 0) time = 1;
13593 if (otime <= 0) otime = 1;
13595 sprintf(message, "time %ld\n", time);
13596 SendToProgram(message, cps);
13598 sprintf(message, "otim %ld\n", otime);
13599 SendToProgram(message, cps);
13603 BoolFeature(p, name, loc, cps)
13607 ChessProgramState *cps;
13610 int len = strlen(name);
13612 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13614 sscanf(*p, "%d", &val);
13616 while (**p && **p != ' ') (*p)++;
13617 sprintf(buf, "accepted %s\n", name);
13618 SendToProgram(buf, cps);
13625 IntFeature(p, name, loc, cps)
13629 ChessProgramState *cps;
13632 int len = strlen(name);
13633 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13635 sscanf(*p, "%d", loc);
13636 while (**p && **p != ' ') (*p)++;
13637 sprintf(buf, "accepted %s\n", name);
13638 SendToProgram(buf, cps);
13645 StringFeature(p, name, loc, cps)
13649 ChessProgramState *cps;
13652 int len = strlen(name);
13653 if (strncmp((*p), name, len) == 0
13654 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
13656 sscanf(*p, "%[^\"]", loc);
13657 while (**p && **p != '\"') (*p)++;
13658 if (**p == '\"') (*p)++;
13659 sprintf(buf, "accepted %s\n", name);
13660 SendToProgram(buf, cps);
13667 ParseOption(Option *opt, ChessProgramState *cps)
13668 // [HGM] options: process the string that defines an engine option, and determine
13669 // name, type, default value, and allowed value range
13671 char *p, *q, buf[MSG_SIZ];
13672 int n, min = (-1)<<31, max = 1<<31, def;
13674 if(p = strstr(opt->name, " -spin ")) {
13675 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13676 if(max < min) max = min; // enforce consistency
13677 if(def < min) def = min;
13678 if(def > max) def = max;
13683 } else if((p = strstr(opt->name, " -slider "))) {
13684 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
13685 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13686 if(max < min) max = min; // enforce consistency
13687 if(def < min) def = min;
13688 if(def > max) def = max;
13692 opt->type = Spin; // Slider;
13693 } else if((p = strstr(opt->name, " -string "))) {
13694 opt->textValue = p+9;
13695 opt->type = TextBox;
13696 } else if((p = strstr(opt->name, " -file "))) {
13697 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13698 opt->textValue = p+7;
13699 opt->type = TextBox; // FileName;
13700 } else if((p = strstr(opt->name, " -path "))) {
13701 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13702 opt->textValue = p+7;
13703 opt->type = TextBox; // PathName;
13704 } else if(p = strstr(opt->name, " -check ")) {
13705 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
13706 opt->value = (def != 0);
13707 opt->type = CheckBox;
13708 } else if(p = strstr(opt->name, " -combo ")) {
13709 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
13710 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
13711 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
13712 opt->value = n = 0;
13713 while(q = StrStr(q, " /// ")) {
13714 n++; *q = 0; // count choices, and null-terminate each of them
13716 if(*q == '*') { // remember default, which is marked with * prefix
13720 cps->comboList[cps->comboCnt++] = q;
13722 cps->comboList[cps->comboCnt++] = NULL;
13724 opt->type = ComboBox;
13725 } else if(p = strstr(opt->name, " -button")) {
13726 opt->type = Button;
13727 } else if(p = strstr(opt->name, " -save")) {
13728 opt->type = SaveButton;
13729 } else return FALSE;
13730 *p = 0; // terminate option name
13731 // now look if the command-line options define a setting for this engine option.
13732 if(cps->optionSettings && cps->optionSettings[0])
13733 p = strstr(cps->optionSettings, opt->name); else p = NULL;
13734 if(p && (p == cps->optionSettings || p[-1] == ',')) {
13735 sprintf(buf, "option %s", p);
13736 if(p = strstr(buf, ",")) *p = 0;
13738 SendToProgram(buf, cps);
13744 FeatureDone(cps, val)
13745 ChessProgramState* cps;
13748 DelayedEventCallback cb = GetDelayedEvent();
13749 if ((cb == InitBackEnd3 && cps == &first) ||
13750 (cb == TwoMachinesEventIfReady && cps == &second)) {
13751 CancelDelayedEvent();
13752 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
13754 cps->initDone = val;
13757 /* Parse feature command from engine */
13759 ParseFeatures(args, cps)
13761 ChessProgramState *cps;
13769 while (*p == ' ') p++;
13770 if (*p == NULLCHAR) return;
13772 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
13773 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
13774 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
13775 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
13776 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
13777 if (BoolFeature(&p, "reuse", &val, cps)) {
13778 /* Engine can disable reuse, but can't enable it if user said no */
13779 if (!val) cps->reuse = FALSE;
13782 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
13783 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
13784 if (gameMode == TwoMachinesPlay) {
13785 DisplayTwoMachinesTitle();
13791 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
13792 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
13793 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
13794 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
13795 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
13796 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
13797 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
13798 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
13799 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
13800 if (IntFeature(&p, "done", &val, cps)) {
13801 FeatureDone(cps, val);
13804 /* Added by Tord: */
13805 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
13806 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
13807 /* End of additions by Tord */
13809 /* [HGM] added features: */
13810 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
13811 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
13812 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
13813 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
13814 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13815 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
13816 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
13817 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
13818 sprintf(buf, "rejected option %s\n", cps->option[--cps->nrOptions].name);
13819 SendToProgram(buf, cps);
13822 if(cps->nrOptions >= MAX_OPTIONS) {
13824 sprintf(buf, "%s engine has too many options\n", cps->which);
13825 DisplayError(buf, 0);
13829 /* End of additions by HGM */
13831 /* unknown feature: complain and skip */
13833 while (*q && *q != '=') q++;
13834 sprintf(buf, "rejected %.*s\n", (int)(q-p), p);
13835 SendToProgram(buf, cps);
13841 while (*p && *p != '\"') p++;
13842 if (*p == '\"') p++;
13844 while (*p && *p != ' ') p++;
13852 PeriodicUpdatesEvent(newState)
13855 if (newState == appData.periodicUpdates)
13858 appData.periodicUpdates=newState;
13860 /* Display type changes, so update it now */
13861 // DisplayAnalysis();
13863 /* Get the ball rolling again... */
13865 AnalysisPeriodicEvent(1);
13866 StartAnalysisClock();
13871 PonderNextMoveEvent(newState)
13874 if (newState == appData.ponderNextMove) return;
13875 if (gameMode == EditPosition) EditPositionDone(TRUE);
13877 SendToProgram("hard\n", &first);
13878 if (gameMode == TwoMachinesPlay) {
13879 SendToProgram("hard\n", &second);
13882 SendToProgram("easy\n", &first);
13883 thinkOutput[0] = NULLCHAR;
13884 if (gameMode == TwoMachinesPlay) {
13885 SendToProgram("easy\n", &second);
13888 appData.ponderNextMove = newState;
13892 NewSettingEvent(option, feature, command, value)
13894 int option, value, *feature;
13898 if (gameMode == EditPosition) EditPositionDone(TRUE);
13899 sprintf(buf, "%s%s %d\n", (option ? "option ": ""), command, value);
13900 if(feature == NULL || *feature) SendToProgram(buf, &first);
13901 if (gameMode == TwoMachinesPlay) {
13902 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
13907 ShowThinkingEvent()
13908 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
13910 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
13911 int newState = appData.showThinking
13912 // [HGM] thinking: other features now need thinking output as well
13913 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
13915 if (oldState == newState) return;
13916 oldState = newState;
13917 if (gameMode == EditPosition) EditPositionDone(TRUE);
13919 SendToProgram("post\n", &first);
13920 if (gameMode == TwoMachinesPlay) {
13921 SendToProgram("post\n", &second);
13924 SendToProgram("nopost\n", &first);
13925 thinkOutput[0] = NULLCHAR;
13926 if (gameMode == TwoMachinesPlay) {
13927 SendToProgram("nopost\n", &second);
13930 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
13934 AskQuestionEvent(title, question, replyPrefix, which)
13935 char *title; char *question; char *replyPrefix; char *which;
13937 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
13938 if (pr == NoProc) return;
13939 AskQuestion(title, question, replyPrefix, pr);
13943 DisplayMove(moveNumber)
13946 char message[MSG_SIZ];
13948 char cpThinkOutput[MSG_SIZ];
13950 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
13952 if (moveNumber == forwardMostMove - 1 ||
13953 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13955 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput));
13957 if (strchr(cpThinkOutput, '\n')) {
13958 *strchr(cpThinkOutput, '\n') = NULLCHAR;
13961 *cpThinkOutput = NULLCHAR;
13964 /* [AS] Hide thinking from human user */
13965 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
13966 *cpThinkOutput = NULLCHAR;
13967 if( thinkOutput[0] != NULLCHAR ) {
13970 for( i=0; i<=hiddenThinkOutputState; i++ ) {
13971 cpThinkOutput[i] = '.';
13973 cpThinkOutput[i] = NULLCHAR;
13974 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
13978 if (moveNumber == forwardMostMove - 1 &&
13979 gameInfo.resultDetails != NULL) {
13980 if (gameInfo.resultDetails[0] == NULLCHAR) {
13981 sprintf(res, " %s", PGNResult(gameInfo.result));
13983 sprintf(res, " {%s} %s",
13984 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
13990 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
13991 DisplayMessage(res, cpThinkOutput);
13993 sprintf(message, "%d.%s%s%s", moveNumber / 2 + 1,
13994 WhiteOnMove(moveNumber) ? " " : ".. ",
13995 parseList[moveNumber], res);
13996 DisplayMessage(message, cpThinkOutput);
14001 DisplayComment(moveNumber, text)
14005 char title[MSG_SIZ];
14006 char buf[8000]; // comment can be long!
14009 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14010 strcpy(title, "Comment");
14012 sprintf(title, "Comment on %d.%s%s", moveNumber / 2 + 1,
14013 WhiteOnMove(moveNumber) ? " " : ".. ",
14014 parseList[moveNumber]);
14016 // [HGM] PV info: display PV info together with (or as) comment
14017 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
14018 if(text == NULL) text = "";
14019 score = pvInfoList[moveNumber].score;
14020 sprintf(buf, "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
14021 depth, (pvInfoList[moveNumber].time+50)/100, text);
14024 if (text != NULL && (appData.autoDisplayComment || commentUp))
14025 CommentPopUp(title, text);
14028 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
14029 * might be busy thinking or pondering. It can be omitted if your
14030 * gnuchess is configured to stop thinking immediately on any user
14031 * input. However, that gnuchess feature depends on the FIONREAD
14032 * ioctl, which does not work properly on some flavors of Unix.
14036 ChessProgramState *cps;
14039 if (!cps->useSigint) return;
14040 if (appData.noChessProgram || (cps->pr == NoProc)) return;
14041 switch (gameMode) {
14042 case MachinePlaysWhite:
14043 case MachinePlaysBlack:
14044 case TwoMachinesPlay:
14045 case IcsPlayingWhite:
14046 case IcsPlayingBlack:
14049 /* Skip if we know it isn't thinking */
14050 if (!cps->maybeThinking) return;
14051 if (appData.debugMode)
14052 fprintf(debugFP, "Interrupting %s\n", cps->which);
14053 InterruptChildProcess(cps->pr);
14054 cps->maybeThinking = FALSE;
14059 #endif /*ATTENTION*/
14065 if (whiteTimeRemaining <= 0) {
14068 if (appData.icsActive) {
14069 if (appData.autoCallFlag &&
14070 gameMode == IcsPlayingBlack && !blackFlag) {
14071 SendToICS(ics_prefix);
14072 SendToICS("flag\n");
14076 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14078 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
14079 if (appData.autoCallFlag) {
14080 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
14087 if (blackTimeRemaining <= 0) {
14090 if (appData.icsActive) {
14091 if (appData.autoCallFlag &&
14092 gameMode == IcsPlayingWhite && !whiteFlag) {
14093 SendToICS(ics_prefix);
14094 SendToICS("flag\n");
14098 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14100 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
14101 if (appData.autoCallFlag) {
14102 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
14115 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
14116 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
14119 * add time to clocks when time control is achieved ([HGM] now also used for increment)
14121 if ( !WhiteOnMove(forwardMostMove) )
14122 /* White made time control */
14123 whiteTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
14124 /* [HGM] time odds: correct new time quota for time odds! */
14125 / WhitePlayer()->timeOdds;
14127 /* Black made time control */
14128 blackTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
14129 / WhitePlayer()->other->timeOdds;
14133 DisplayBothClocks()
14135 int wom = gameMode == EditPosition ?
14136 !blackPlaysFirst : WhiteOnMove(currentMove);
14137 DisplayWhiteClock(whiteTimeRemaining, wom);
14138 DisplayBlackClock(blackTimeRemaining, !wom);
14142 /* Timekeeping seems to be a portability nightmare. I think everyone
14143 has ftime(), but I'm really not sure, so I'm including some ifdefs
14144 to use other calls if you don't. Clocks will be less accurate if
14145 you have neither ftime nor gettimeofday.
14148 /* VS 2008 requires the #include outside of the function */
14149 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
14150 #include <sys/timeb.h>
14153 /* Get the current time as a TimeMark */
14158 #if HAVE_GETTIMEOFDAY
14160 struct timeval timeVal;
14161 struct timezone timeZone;
14163 gettimeofday(&timeVal, &timeZone);
14164 tm->sec = (long) timeVal.tv_sec;
14165 tm->ms = (int) (timeVal.tv_usec / 1000L);
14167 #else /*!HAVE_GETTIMEOFDAY*/
14170 // include <sys/timeb.h> / moved to just above start of function
14171 struct timeb timeB;
14174 tm->sec = (long) timeB.time;
14175 tm->ms = (int) timeB.millitm;
14177 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
14178 tm->sec = (long) time(NULL);
14184 /* Return the difference in milliseconds between two
14185 time marks. We assume the difference will fit in a long!
14188 SubtractTimeMarks(tm2, tm1)
14189 TimeMark *tm2, *tm1;
14191 return 1000L*(tm2->sec - tm1->sec) +
14192 (long) (tm2->ms - tm1->ms);
14197 * Code to manage the game clocks.
14199 * In tournament play, black starts the clock and then white makes a move.
14200 * We give the human user a slight advantage if he is playing white---the
14201 * clocks don't run until he makes his first move, so it takes zero time.
14202 * Also, we don't account for network lag, so we could get out of sync
14203 * with GNU Chess's clock -- but then, referees are always right.
14206 static TimeMark tickStartTM;
14207 static long intendedTickLength;
14210 NextTickLength(timeRemaining)
14211 long timeRemaining;
14213 long nominalTickLength, nextTickLength;
14215 if (timeRemaining > 0L && timeRemaining <= 10000L)
14216 nominalTickLength = 100L;
14218 nominalTickLength = 1000L;
14219 nextTickLength = timeRemaining % nominalTickLength;
14220 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
14222 return nextTickLength;
14225 /* Adjust clock one minute up or down */
14227 AdjustClock(Boolean which, int dir)
14229 if(which) blackTimeRemaining += 60000*dir;
14230 else whiteTimeRemaining += 60000*dir;
14231 DisplayBothClocks();
14234 /* Stop clocks and reset to a fresh time control */
14238 (void) StopClockTimer();
14239 if (appData.icsActive) {
14240 whiteTimeRemaining = blackTimeRemaining = 0;
14241 } else if (searchTime) {
14242 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14243 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14244 } else { /* [HGM] correct new time quote for time odds */
14245 whiteTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->timeOdds;
14246 blackTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->other->timeOdds;
14248 if (whiteFlag || blackFlag) {
14250 whiteFlag = blackFlag = FALSE;
14252 DisplayBothClocks();
14255 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
14257 /* Decrement running clock by amount of time that has passed */
14261 long timeRemaining;
14262 long lastTickLength, fudge;
14265 if (!appData.clockMode) return;
14266 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
14270 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14272 /* Fudge if we woke up a little too soon */
14273 fudge = intendedTickLength - lastTickLength;
14274 if (fudge < 0 || fudge > FUDGE) fudge = 0;
14276 if (WhiteOnMove(forwardMostMove)) {
14277 if(whiteNPS >= 0) lastTickLength = 0;
14278 timeRemaining = whiteTimeRemaining -= lastTickLength;
14279 DisplayWhiteClock(whiteTimeRemaining - fudge,
14280 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14282 if(blackNPS >= 0) lastTickLength = 0;
14283 timeRemaining = blackTimeRemaining -= lastTickLength;
14284 DisplayBlackClock(blackTimeRemaining - fudge,
14285 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14288 if (CheckFlags()) return;
14291 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
14292 StartClockTimer(intendedTickLength);
14294 /* if the time remaining has fallen below the alarm threshold, sound the
14295 * alarm. if the alarm has sounded and (due to a takeback or time control
14296 * with increment) the time remaining has increased to a level above the
14297 * threshold, reset the alarm so it can sound again.
14300 if (appData.icsActive && appData.icsAlarm) {
14302 /* make sure we are dealing with the user's clock */
14303 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
14304 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
14307 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
14308 alarmSounded = FALSE;
14309 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
14311 alarmSounded = TRUE;
14317 /* A player has just moved, so stop the previously running
14318 clock and (if in clock mode) start the other one.
14319 We redisplay both clocks in case we're in ICS mode, because
14320 ICS gives us an update to both clocks after every move.
14321 Note that this routine is called *after* forwardMostMove
14322 is updated, so the last fractional tick must be subtracted
14323 from the color that is *not* on move now.
14326 SwitchClocks(int newMoveNr)
14328 long lastTickLength;
14330 int flagged = FALSE;
14334 if (StopClockTimer() && appData.clockMode) {
14335 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14336 if (!WhiteOnMove(forwardMostMove)) {
14337 if(blackNPS >= 0) lastTickLength = 0;
14338 blackTimeRemaining -= lastTickLength;
14339 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14340 // if(pvInfoList[forwardMostMove-1].time == -1)
14341 pvInfoList[forwardMostMove-1].time = // use GUI time
14342 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
14344 if(whiteNPS >= 0) lastTickLength = 0;
14345 whiteTimeRemaining -= lastTickLength;
14346 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14347 // if(pvInfoList[forwardMostMove-1].time == -1)
14348 pvInfoList[forwardMostMove-1].time =
14349 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
14351 flagged = CheckFlags();
14353 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
14354 CheckTimeControl();
14356 if (flagged || !appData.clockMode) return;
14358 switch (gameMode) {
14359 case MachinePlaysBlack:
14360 case MachinePlaysWhite:
14361 case BeginningOfGame:
14362 if (pausing) return;
14366 case PlayFromGameFile:
14374 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
14375 if(WhiteOnMove(forwardMostMove))
14376 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14377 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14381 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14382 whiteTimeRemaining : blackTimeRemaining);
14383 StartClockTimer(intendedTickLength);
14387 /* Stop both clocks */
14391 long lastTickLength;
14394 if (!StopClockTimer()) return;
14395 if (!appData.clockMode) return;
14399 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14400 if (WhiteOnMove(forwardMostMove)) {
14401 if(whiteNPS >= 0) lastTickLength = 0;
14402 whiteTimeRemaining -= lastTickLength;
14403 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
14405 if(blackNPS >= 0) lastTickLength = 0;
14406 blackTimeRemaining -= lastTickLength;
14407 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
14412 /* Start clock of player on move. Time may have been reset, so
14413 if clock is already running, stop and restart it. */
14417 (void) StopClockTimer(); /* in case it was running already */
14418 DisplayBothClocks();
14419 if (CheckFlags()) return;
14421 if (!appData.clockMode) return;
14422 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
14424 GetTimeMark(&tickStartTM);
14425 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14426 whiteTimeRemaining : blackTimeRemaining);
14428 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
14429 whiteNPS = blackNPS = -1;
14430 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
14431 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
14432 whiteNPS = first.nps;
14433 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
14434 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
14435 blackNPS = first.nps;
14436 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
14437 whiteNPS = second.nps;
14438 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
14439 blackNPS = second.nps;
14440 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
14442 StartClockTimer(intendedTickLength);
14449 long second, minute, hour, day;
14451 static char buf[32];
14453 if (ms > 0 && ms <= 9900) {
14454 /* convert milliseconds to tenths, rounding up */
14455 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
14457 sprintf(buf, " %03.1f ", tenths/10.0);
14461 /* convert milliseconds to seconds, rounding up */
14462 /* use floating point to avoid strangeness of integer division
14463 with negative dividends on many machines */
14464 second = (long) floor(((double) (ms + 999L)) / 1000.0);
14471 day = second / (60 * 60 * 24);
14472 second = second % (60 * 60 * 24);
14473 hour = second / (60 * 60);
14474 second = second % (60 * 60);
14475 minute = second / 60;
14476 second = second % 60;
14479 sprintf(buf, " %s%ld:%02ld:%02ld:%02ld ",
14480 sign, day, hour, minute, second);
14482 sprintf(buf, " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
14484 sprintf(buf, " %s%2ld:%02ld ", sign, minute, second);
14491 * This is necessary because some C libraries aren't ANSI C compliant yet.
14494 StrStr(string, match)
14495 char *string, *match;
14499 length = strlen(match);
14501 for (i = strlen(string) - length; i >= 0; i--, string++)
14502 if (!strncmp(match, string, length))
14509 StrCaseStr(string, match)
14510 char *string, *match;
14514 length = strlen(match);
14516 for (i = strlen(string) - length; i >= 0; i--, string++) {
14517 for (j = 0; j < length; j++) {
14518 if (ToLower(match[j]) != ToLower(string[j]))
14521 if (j == length) return string;
14535 c1 = ToLower(*s1++);
14536 c2 = ToLower(*s2++);
14537 if (c1 > c2) return 1;
14538 if (c1 < c2) return -1;
14539 if (c1 == NULLCHAR) return 0;
14548 return isupper(c) ? tolower(c) : c;
14556 return islower(c) ? toupper(c) : c;
14558 #endif /* !_amigados */
14566 if ((ret = (char *) malloc(strlen(s) + 1))) {
14573 StrSavePtr(s, savePtr)
14574 char *s, **savePtr;
14579 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
14580 strcpy(*savePtr, s);
14592 clock = time((time_t *)NULL);
14593 tm = localtime(&clock);
14594 sprintf(buf, "%04d.%02d.%02d",
14595 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
14596 return StrSave(buf);
14601 PositionToFEN(move, overrideCastling)
14603 char *overrideCastling;
14605 int i, j, fromX, fromY, toX, toY;
14612 whiteToPlay = (gameMode == EditPosition) ?
14613 !blackPlaysFirst : (move % 2 == 0);
14616 /* Piece placement data */
14617 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14619 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14620 if (boards[move][i][j] == EmptySquare) {
14622 } else { ChessSquare piece = boards[move][i][j];
14623 if (emptycount > 0) {
14624 if(emptycount<10) /* [HGM] can be >= 10 */
14625 *p++ = '0' + emptycount;
14626 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14629 if(PieceToChar(piece) == '+') {
14630 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
14632 piece = (ChessSquare)(DEMOTED piece);
14634 *p++ = PieceToChar(piece);
14636 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
14637 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
14642 if (emptycount > 0) {
14643 if(emptycount<10) /* [HGM] can be >= 10 */
14644 *p++ = '0' + emptycount;
14645 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14652 /* [HGM] print Crazyhouse or Shogi holdings */
14653 if( gameInfo.holdingsWidth ) {
14654 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
14656 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
14657 piece = boards[move][i][BOARD_WIDTH-1];
14658 if( piece != EmptySquare )
14659 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
14660 *p++ = PieceToChar(piece);
14662 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
14663 piece = boards[move][BOARD_HEIGHT-i-1][0];
14664 if( piece != EmptySquare )
14665 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
14666 *p++ = PieceToChar(piece);
14669 if( q == p ) *p++ = '-';
14675 *p++ = whiteToPlay ? 'w' : 'b';
14678 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
14679 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
14681 if(nrCastlingRights) {
14683 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
14684 /* [HGM] write directly from rights */
14685 if(boards[move][CASTLING][2] != NoRights &&
14686 boards[move][CASTLING][0] != NoRights )
14687 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
14688 if(boards[move][CASTLING][2] != NoRights &&
14689 boards[move][CASTLING][1] != NoRights )
14690 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
14691 if(boards[move][CASTLING][5] != NoRights &&
14692 boards[move][CASTLING][3] != NoRights )
14693 *p++ = boards[move][CASTLING][3] + AAA;
14694 if(boards[move][CASTLING][5] != NoRights &&
14695 boards[move][CASTLING][4] != NoRights )
14696 *p++ = boards[move][CASTLING][4] + AAA;
14699 /* [HGM] write true castling rights */
14700 if( nrCastlingRights == 6 ) {
14701 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
14702 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
14703 if(boards[move][CASTLING][1] == BOARD_LEFT &&
14704 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
14705 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
14706 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
14707 if(boards[move][CASTLING][4] == BOARD_LEFT &&
14708 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
14711 if (q == p) *p++ = '-'; /* No castling rights */
14715 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14716 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14717 /* En passant target square */
14718 if (move > backwardMostMove) {
14719 fromX = moveList[move - 1][0] - AAA;
14720 fromY = moveList[move - 1][1] - ONE;
14721 toX = moveList[move - 1][2] - AAA;
14722 toY = moveList[move - 1][3] - ONE;
14723 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
14724 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
14725 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
14727 /* 2-square pawn move just happened */
14729 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14733 } else if(move == backwardMostMove) {
14734 // [HGM] perhaps we should always do it like this, and forget the above?
14735 if((signed char)boards[move][EP_STATUS] >= 0) {
14736 *p++ = boards[move][EP_STATUS] + AAA;
14737 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14748 /* [HGM] find reversible plies */
14749 { int i = 0, j=move;
14751 if (appData.debugMode) { int k;
14752 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
14753 for(k=backwardMostMove; k<=forwardMostMove; k++)
14754 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
14758 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
14759 if( j == backwardMostMove ) i += initialRulePlies;
14760 sprintf(p, "%d ", i);
14761 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
14763 /* Fullmove number */
14764 sprintf(p, "%d", (move / 2) + 1);
14766 return StrSave(buf);
14770 ParseFEN(board, blackPlaysFirst, fen)
14772 int *blackPlaysFirst;
14782 /* [HGM] by default clear Crazyhouse holdings, if present */
14783 if(gameInfo.holdingsWidth) {
14784 for(i=0; i<BOARD_HEIGHT; i++) {
14785 board[i][0] = EmptySquare; /* black holdings */
14786 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
14787 board[i][1] = (ChessSquare) 0; /* black counts */
14788 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
14792 /* Piece placement data */
14793 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14796 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
14797 if (*p == '/') p++;
14798 emptycount = gameInfo.boardWidth - j;
14799 while (emptycount--)
14800 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14802 #if(BOARD_FILES >= 10)
14803 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
14804 p++; emptycount=10;
14805 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14806 while (emptycount--)
14807 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14809 } else if (isdigit(*p)) {
14810 emptycount = *p++ - '0';
14811 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
14812 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14813 while (emptycount--)
14814 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14815 } else if (*p == '+' || isalpha(*p)) {
14816 if (j >= gameInfo.boardWidth) return FALSE;
14818 piece = CharToPiece(*++p);
14819 if(piece == EmptySquare) return FALSE; /* unknown piece */
14820 piece = (ChessSquare) (PROMOTED piece ); p++;
14821 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
14822 } else piece = CharToPiece(*p++);
14824 if(piece==EmptySquare) return FALSE; /* unknown piece */
14825 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
14826 piece = (ChessSquare) (PROMOTED piece);
14827 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
14830 board[i][(j++)+gameInfo.holdingsWidth] = piece;
14836 while (*p == '/' || *p == ' ') p++;
14838 /* [HGM] look for Crazyhouse holdings here */
14839 while(*p==' ') p++;
14840 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
14842 if(*p == '-' ) *p++; /* empty holdings */ else {
14843 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
14844 /* if we would allow FEN reading to set board size, we would */
14845 /* have to add holdings and shift the board read so far here */
14846 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
14848 if((int) piece >= (int) BlackPawn ) {
14849 i = (int)piece - (int)BlackPawn;
14850 i = PieceToNumber((ChessSquare)i);
14851 if( i >= gameInfo.holdingsSize ) return FALSE;
14852 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
14853 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
14855 i = (int)piece - (int)WhitePawn;
14856 i = PieceToNumber((ChessSquare)i);
14857 if( i >= gameInfo.holdingsSize ) return FALSE;
14858 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
14859 board[i][BOARD_WIDTH-2]++; /* black holdings */
14863 if(*p == ']') *p++;
14866 while(*p == ' ') p++;
14870 if(appData.colorNickNames) {
14871 if( c == appData.colorNickNames[0] ) c = 'w'; else
14872 if( c == appData.colorNickNames[1] ) c = 'b';
14876 *blackPlaysFirst = FALSE;
14879 *blackPlaysFirst = TRUE;
14885 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
14886 /* return the extra info in global variiables */
14888 /* set defaults in case FEN is incomplete */
14889 board[EP_STATUS] = EP_UNKNOWN;
14890 for(i=0; i<nrCastlingRights; i++ ) {
14891 board[CASTLING][i] =
14892 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
14893 } /* assume possible unless obviously impossible */
14894 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
14895 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
14896 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
14897 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
14898 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
14899 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
14900 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
14901 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
14904 while(*p==' ') p++;
14905 if(nrCastlingRights) {
14906 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
14907 /* castling indicator present, so default becomes no castlings */
14908 for(i=0; i<nrCastlingRights; i++ ) {
14909 board[CASTLING][i] = NoRights;
14912 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
14913 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
14914 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
14915 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
14916 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
14918 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
14919 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
14920 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
14922 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
14923 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
14924 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
14925 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
14926 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
14927 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
14930 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
14931 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
14932 board[CASTLING][2] = whiteKingFile;
14935 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
14936 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
14937 board[CASTLING][2] = whiteKingFile;
14940 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
14941 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
14942 board[CASTLING][5] = blackKingFile;
14945 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
14946 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
14947 board[CASTLING][5] = blackKingFile;
14950 default: /* FRC castlings */
14951 if(c >= 'a') { /* black rights */
14952 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
14953 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
14954 if(i == BOARD_RGHT) break;
14955 board[CASTLING][5] = i;
14957 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
14958 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
14960 board[CASTLING][3] = c;
14962 board[CASTLING][4] = c;
14963 } else { /* white rights */
14964 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
14965 if(board[0][i] == WhiteKing) break;
14966 if(i == BOARD_RGHT) break;
14967 board[CASTLING][2] = i;
14968 c -= AAA - 'a' + 'A';
14969 if(board[0][c] >= WhiteKing) break;
14971 board[CASTLING][0] = c;
14973 board[CASTLING][1] = c;
14977 for(i=0; i<nrCastlingRights; i++)
14978 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
14979 if (appData.debugMode) {
14980 fprintf(debugFP, "FEN castling rights:");
14981 for(i=0; i<nrCastlingRights; i++)
14982 fprintf(debugFP, " %d", board[CASTLING][i]);
14983 fprintf(debugFP, "\n");
14986 while(*p==' ') p++;
14989 /* read e.p. field in games that know e.p. capture */
14990 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14991 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14993 p++; board[EP_STATUS] = EP_NONE;
14995 char c = *p++ - AAA;
14997 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
14998 if(*p >= '0' && *p <='9') *p++;
14999 board[EP_STATUS] = c;
15004 if(sscanf(p, "%d", &i) == 1) {
15005 FENrulePlies = i; /* 50-move ply counter */
15006 /* (The move number is still ignored) */
15013 EditPositionPasteFEN(char *fen)
15016 Board initial_position;
15018 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
15019 DisplayError(_("Bad FEN position in clipboard"), 0);
15022 int savedBlackPlaysFirst = blackPlaysFirst;
15023 EditPositionEvent();
15024 blackPlaysFirst = savedBlackPlaysFirst;
15025 CopyBoard(boards[0], initial_position);
15026 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
15027 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
15028 DisplayBothClocks();
15029 DrawPosition(FALSE, boards[currentMove]);
15034 static char cseq[12] = "\\ ";
15036 Boolean set_cont_sequence(char *new_seq)
15041 // handle bad attempts to set the sequence
15043 return 0; // acceptable error - no debug
15045 len = strlen(new_seq);
15046 ret = (len > 0) && (len < sizeof(cseq));
15048 strcpy(cseq, new_seq);
15049 else if (appData.debugMode)
15050 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
15055 reformat a source message so words don't cross the width boundary. internal
15056 newlines are not removed. returns the wrapped size (no null character unless
15057 included in source message). If dest is NULL, only calculate the size required
15058 for the dest buffer. lp argument indicats line position upon entry, and it's
15059 passed back upon exit.
15061 int wrap(char *dest, char *src, int count, int width, int *lp)
15063 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
15065 cseq_len = strlen(cseq);
15066 old_line = line = *lp;
15067 ansi = len = clen = 0;
15069 for (i=0; i < count; i++)
15071 if (src[i] == '\033')
15074 // if we hit the width, back up
15075 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
15077 // store i & len in case the word is too long
15078 old_i = i, old_len = len;
15080 // find the end of the last word
15081 while (i && src[i] != ' ' && src[i] != '\n')
15087 // word too long? restore i & len before splitting it
15088 if ((old_i-i+clen) >= width)
15095 if (i && src[i-1] == ' ')
15098 if (src[i] != ' ' && src[i] != '\n')
15105 // now append the newline and continuation sequence
15110 strncpy(dest+len, cseq, cseq_len);
15118 dest[len] = src[i];
15122 if (src[i] == '\n')
15127 if (dest && appData.debugMode)
15129 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
15130 count, width, line, len, *lp);
15131 show_bytes(debugFP, src, count);
15132 fprintf(debugFP, "\ndest: ");
15133 show_bytes(debugFP, dest, len);
15134 fprintf(debugFP, "\n");
15136 *lp = dest ? line : old_line;
15141 // [HGM] vari: routines for shelving variations
15144 PushTail(int firstMove, int lastMove)
15146 int i, j, nrMoves = lastMove - firstMove;
15148 if(appData.icsActive) { // only in local mode
15149 forwardMostMove = currentMove; // mimic old ICS behavior
15152 if(storedGames >= MAX_VARIATIONS-1) return;
15154 // push current tail of game on stack
15155 savedResult[storedGames] = gameInfo.result;
15156 savedDetails[storedGames] = gameInfo.resultDetails;
15157 gameInfo.resultDetails = NULL;
15158 savedFirst[storedGames] = firstMove;
15159 savedLast [storedGames] = lastMove;
15160 savedFramePtr[storedGames] = framePtr;
15161 framePtr -= nrMoves; // reserve space for the boards
15162 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
15163 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
15164 for(j=0; j<MOVE_LEN; j++)
15165 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
15166 for(j=0; j<2*MOVE_LEN; j++)
15167 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
15168 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
15169 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
15170 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
15171 pvInfoList[firstMove+i-1].depth = 0;
15172 commentList[framePtr+i] = commentList[firstMove+i];
15173 commentList[firstMove+i] = NULL;
15177 forwardMostMove = firstMove; // truncate game so we can start variation
15178 if(storedGames == 1) GreyRevert(FALSE);
15182 PopTail(Boolean annotate)
15185 char buf[8000], moveBuf[20];
15187 if(appData.icsActive) return FALSE; // only in local mode
15188 if(!storedGames) return FALSE; // sanity
15189 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
15192 ToNrEvent(savedFirst[storedGames]); // sets currentMove
15193 nrMoves = savedLast[storedGames] - currentMove;
15196 if(!WhiteOnMove(currentMove)) sprintf(buf, "(%d...", currentMove+2>>1);
15197 else strcpy(buf, "(");
15198 for(i=currentMove; i<forwardMostMove; i++) {
15200 sprintf(moveBuf, " %d. %s", i+2>>1, SavePart(parseList[i]));
15201 else sprintf(moveBuf, " %s", SavePart(parseList[i]));
15202 strcat(buf, moveBuf);
15203 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
15204 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
15208 for(i=1; i<=nrMoves; i++) { // copy last variation back
15209 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
15210 for(j=0; j<MOVE_LEN; j++)
15211 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
15212 for(j=0; j<2*MOVE_LEN; j++)
15213 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
15214 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
15215 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
15216 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
15217 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
15218 commentList[currentMove+i] = commentList[framePtr+i];
15219 commentList[framePtr+i] = NULL;
15221 if(annotate) AppendComment(currentMove+1, buf, FALSE);
15222 framePtr = savedFramePtr[storedGames];
15223 gameInfo.result = savedResult[storedGames];
15224 if(gameInfo.resultDetails != NULL) {
15225 free(gameInfo.resultDetails);
15227 gameInfo.resultDetails = savedDetails[storedGames];
15228 forwardMostMove = currentMove + nrMoves;
15229 if(storedGames == 0) GreyRevert(TRUE);
15235 { // remove all shelved variations
15237 for(i=0; i<storedGames; i++) {
15238 if(savedDetails[i])
15239 free(savedDetails[i]);
15240 savedDetails[i] = NULL;
15242 for(i=framePtr; i<MAX_MOVES; i++) {
15243 if(commentList[i]) free(commentList[i]);
15244 commentList[i] = NULL;
15246 framePtr = MAX_MOVES-1;
15251 LoadVariation(int index, char *text)
15252 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
15253 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
15254 int level = 0, move;
15256 if(gameMode != EditGame && gameMode != AnalyzeMode) return;
15257 // first find outermost bracketing variation
15258 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
15259 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
15260 if(*p == '{') wait = '}'; else
15261 if(*p == '[') wait = ']'; else
15262 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
15263 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
15265 if(*p == wait) wait = NULLCHAR; // closing ]} found
15268 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
15269 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
15270 end[1] = NULLCHAR; // clip off comment beyond variation
15271 ToNrEvent(currentMove-1);
15272 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
15273 // kludge: use ParsePV() to append variation to game
15274 move = currentMove;
15275 ParsePV(start, TRUE);
15276 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
15277 ClearPremoveHighlights();
15279 ToNrEvent(currentMove+1);