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] could still mate with pawn drop */
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
6670 if( appData.testLegality )
6671 { /* [HGM] Some more adjudications for obstinate engines */
6672 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
6673 static int moveCount = 6;
6675 char *reason = NULL;
6677 /* Count what is on board. */
6678 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
6680 /* Some material-based adjudications that have to be made before stalemate test */
6681 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
6682 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
6683 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
6684 if(canAdjudicate && appData.checkMates) {
6686 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6687 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6688 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
6689 "Xboard adjudication: King destroyed", GE_XBOARD );
6694 /* Bare King in Shatranj (loses) or Losers (wins) */
6695 if( nrW == 1 || nrB == 1) {
6696 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
6697 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
6698 if(canAdjudicate && appData.checkMates) {
6700 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
6701 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6702 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6703 "Xboard adjudication: Bare king", GE_XBOARD );
6707 if( gameInfo.variant == VariantShatranj && --bare < 0)
6709 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
6710 if(canAdjudicate && appData.checkMates) {
6711 /* but only adjudicate if adjudication enabled */
6713 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6714 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6715 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
6716 "Xboard adjudication: Bare king", GE_XBOARD );
6723 // don't wait for engine to announce game end if we can judge ourselves
6724 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
6726 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
6727 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
6728 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
6729 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
6732 reason = "Xboard adjudication: 3rd check";
6733 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
6743 reason = "Xboard adjudication: Stalemate";
6744 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
6745 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
6746 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
6747 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
6748 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
6749 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
6750 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
6751 EP_CHECKMATE : EP_WINS);
6752 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
6753 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
6757 reason = "Xboard adjudication: Checkmate";
6758 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
6762 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
6764 result = GameIsDrawn; break;
6766 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
6768 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
6770 result = (ChessMove) 0;
6772 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
6774 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6775 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6776 GameEnds( result, reason, GE_XBOARD );
6780 /* Next absolutely insufficient mating material. */
6781 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
6782 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
6783 { /* includes KBK, KNK, KK of KBKB with like Bishops */
6785 /* always flag draws, for judging claims */
6786 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
6788 if(canAdjudicate && appData.materialDraws) {
6789 /* but only adjudicate them if adjudication enabled */
6790 if(engineOpponent) {
6791 SendToProgram("force\n", engineOpponent); // suppress reply
6792 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
6794 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6795 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
6800 /* Then some trivial draws (only adjudicate, cannot be claimed) */
6801 if(gameInfo.variant == VariantXiangqi ?
6802 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
6804 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
6805 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
6806 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
6807 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
6809 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
6810 { /* if the first 3 moves do not show a tactical win, declare draw */
6811 if(engineOpponent) {
6812 SendToProgram("force\n", engineOpponent); // suppress reply
6813 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6815 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6816 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
6819 } else moveCount = 6;
6822 if (appData.debugMode) { int i;
6823 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
6824 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
6825 appData.drawRepeats);
6826 for( i=forwardMostMove; i>=backwardMostMove; i-- )
6827 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
6831 // Repetition draws and 50-move rule can be applied independently of legality testing
6833 /* Check for rep-draws */
6835 for(k = forwardMostMove-2;
6836 k>=backwardMostMove && k>=forwardMostMove-100 &&
6837 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
6838 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
6841 if(CompareBoards(boards[k], boards[forwardMostMove])) {
6842 /* compare castling rights */
6843 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
6844 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
6845 rights++; /* King lost rights, while rook still had them */
6846 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
6847 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
6848 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
6849 rights++; /* but at least one rook lost them */
6851 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
6852 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
6854 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
6855 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
6856 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
6859 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
6860 && appData.drawRepeats > 1) {
6861 /* adjudicate after user-specified nr of repeats */
6862 int result = GameIsDrawn;
6863 char *details = "XBoard adjudication: repetition draw";
6864 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
6865 // [HGM] xiangqi: check for forbidden perpetuals
6866 int m, ourPerpetual = 1, hisPerpetual = 1;
6867 for(m=forwardMostMove; m>k; m-=2) {
6868 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
6869 ourPerpetual = 0; // the current mover did not always check
6870 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
6871 hisPerpetual = 0; // the opponent did not always check
6873 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
6874 ourPerpetual, hisPerpetual);
6875 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
6876 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
6877 details = "Xboard adjudication: perpetual checking";
6879 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
6880 break; // (or we would have caught him before). Abort repetition-checking loop.
6882 // Now check for perpetual chases
6883 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
6884 hisPerpetual = PerpetualChase(k, forwardMostMove);
6885 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
6886 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
6887 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
6888 details = "Xboard adjudication: perpetual chasing";
6890 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
6891 break; // Abort repetition-checking loop.
6893 // if neither of us is checking or chasing all the time, or both are, it is draw
6895 if(engineOpponent) {
6896 SendToProgram("force\n", engineOpponent); // suppress reply
6897 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6899 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6900 GameEnds( result, details, GE_XBOARD );
6903 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
6904 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
6908 /* Now we test for 50-move draws. Determine ply count */
6909 count = forwardMostMove;
6910 /* look for last irreversble move */
6911 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
6913 /* if we hit starting position, add initial plies */
6914 if( count == backwardMostMove )
6915 count -= initialRulePlies;
6916 count = forwardMostMove - count;
6917 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
6918 // adjust reversible move counter for checks in Xiangqi
6919 int i = forwardMostMove - count, inCheck = 0, lastCheck;
6920 if(i < backwardMostMove) i = backwardMostMove;
6921 while(i <= forwardMostMove) {
6922 lastCheck = inCheck; // check evasion does not count
6923 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
6924 if(inCheck || lastCheck) count--; // check does not count
6929 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
6930 /* this is used to judge if draw claims are legal */
6931 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
6932 if(engineOpponent) {
6933 SendToProgram("force\n", engineOpponent); // suppress reply
6934 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6936 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6937 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
6941 /* if draw offer is pending, treat it as a draw claim
6942 * when draw condition present, to allow engines a way to
6943 * claim draws before making their move to avoid a race
6944 * condition occurring after their move
6946 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
6948 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
6949 p = "Draw claim: 50-move rule";
6950 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
6951 p = "Draw claim: 3-fold repetition";
6952 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
6953 p = "Draw claim: insufficient mating material";
6954 if( p != NULL && canAdjudicate) {
6955 if(engineOpponent) {
6956 SendToProgram("force\n", engineOpponent); // suppress reply
6957 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6959 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6960 GameEnds( GameIsDrawn, p, GE_XBOARD );
6965 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
6966 if(engineOpponent) {
6967 SendToProgram("force\n", engineOpponent); // suppress reply
6968 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6970 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6971 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
6977 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
6978 { // [HGM] book: this routine intercepts moves to simulate book replies
6979 char *bookHit = NULL;
6981 //first determine if the incoming move brings opponent into his book
6982 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
6983 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
6984 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
6985 if(bookHit != NULL && !cps->bookSuspend) {
6986 // make sure opponent is not going to reply after receiving move to book position
6987 SendToProgram("force\n", cps);
6988 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
6990 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
6991 // now arrange restart after book miss
6993 // after a book hit we never send 'go', and the code after the call to this routine
6994 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
6996 sprintf(buf, "%s%s\n", (cps->useUsermove ? "usermove " : ""), bookHit); // force book move into program supposed to play it
6997 SendToProgram(buf, cps);
6998 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
6999 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7000 SendToProgram("go\n", cps);
7001 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7002 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7003 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7004 SendToProgram("go\n", cps);
7005 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7007 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7011 ChessProgramState *savedState;
7012 void DeferredBookMove(void)
7014 if(savedState->lastPing != savedState->lastPong)
7015 ScheduleDelayedEvent(DeferredBookMove, 10);
7017 HandleMachineMove(savedMessage, savedState);
7021 HandleMachineMove(message, cps)
7023 ChessProgramState *cps;
7025 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7026 char realname[MSG_SIZ];
7027 int fromX, fromY, toX, toY;
7036 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7038 * Kludge to ignore BEL characters
7040 while (*message == '\007') message++;
7043 * [HGM] engine debug message: ignore lines starting with '#' character
7045 if(cps->debug && *message == '#') return;
7048 * Look for book output
7050 if (cps == &first && bookRequested) {
7051 if (message[0] == '\t' || message[0] == ' ') {
7052 /* Part of the book output is here; append it */
7053 strcat(bookOutput, message);
7054 strcat(bookOutput, " \n");
7056 } else if (bookOutput[0] != NULLCHAR) {
7057 /* All of book output has arrived; display it */
7058 char *p = bookOutput;
7059 while (*p != NULLCHAR) {
7060 if (*p == '\t') *p = ' ';
7063 DisplayInformation(bookOutput);
7064 bookRequested = FALSE;
7065 /* Fall through to parse the current output */
7070 * Look for machine move.
7072 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7073 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7075 /* This method is only useful on engines that support ping */
7076 if (cps->lastPing != cps->lastPong) {
7077 if (gameMode == BeginningOfGame) {
7078 /* Extra move from before last new; ignore */
7079 if (appData.debugMode) {
7080 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7083 if (appData.debugMode) {
7084 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7085 cps->which, gameMode);
7088 SendToProgram("undo\n", cps);
7094 case BeginningOfGame:
7095 /* Extra move from before last reset; ignore */
7096 if (appData.debugMode) {
7097 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7104 /* Extra move after we tried to stop. The mode test is
7105 not a reliable way of detecting this problem, but it's
7106 the best we can do on engines that don't support ping.
7108 if (appData.debugMode) {
7109 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7110 cps->which, gameMode);
7112 SendToProgram("undo\n", cps);
7115 case MachinePlaysWhite:
7116 case IcsPlayingWhite:
7117 machineWhite = TRUE;
7120 case MachinePlaysBlack:
7121 case IcsPlayingBlack:
7122 machineWhite = FALSE;
7125 case TwoMachinesPlay:
7126 machineWhite = (cps->twoMachinesColor[0] == 'w');
7129 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7130 if (appData.debugMode) {
7132 "Ignoring move out of turn by %s, gameMode %d"
7133 ", forwardMost %d\n",
7134 cps->which, gameMode, forwardMostMove);
7139 if (appData.debugMode) { int f = forwardMostMove;
7140 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7141 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7142 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7144 if(cps->alphaRank) AlphaRank(machineMove, 4);
7145 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7146 &fromX, &fromY, &toX, &toY, &promoChar)) {
7147 /* Machine move could not be parsed; ignore it. */
7148 sprintf(buf1, _("Illegal move \"%s\" from %s machine"),
7149 machineMove, cps->which);
7150 DisplayError(buf1, 0);
7151 sprintf(buf1, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7152 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7153 if (gameMode == TwoMachinesPlay) {
7154 GameEnds(machineWhite ? BlackWins : WhiteWins,
7160 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7161 /* So we have to redo legality test with true e.p. status here, */
7162 /* to make sure an illegal e.p. capture does not slip through, */
7163 /* to cause a forfeit on a justified illegal-move complaint */
7164 /* of the opponent. */
7165 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7167 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7168 fromY, fromX, toY, toX, promoChar);
7169 if (appData.debugMode) {
7171 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7172 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7173 fprintf(debugFP, "castling rights\n");
7175 if(moveType == IllegalMove) {
7176 sprintf(buf1, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7177 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7178 GameEnds(machineWhite ? BlackWins : WhiteWins,
7181 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7182 /* [HGM] Kludge to handle engines that send FRC-style castling
7183 when they shouldn't (like TSCP-Gothic) */
7185 case WhiteASideCastleFR:
7186 case BlackASideCastleFR:
7188 currentMoveString[2]++;
7190 case WhiteHSideCastleFR:
7191 case BlackHSideCastleFR:
7193 currentMoveString[2]--;
7195 default: ; // nothing to do, but suppresses warning of pedantic compilers
7198 hintRequested = FALSE;
7199 lastHint[0] = NULLCHAR;
7200 bookRequested = FALSE;
7201 /* Program may be pondering now */
7202 cps->maybeThinking = TRUE;
7203 if (cps->sendTime == 2) cps->sendTime = 1;
7204 if (cps->offeredDraw) cps->offeredDraw--;
7206 /* currentMoveString is set as a side-effect of ParseOneMove */
7207 strcpy(machineMove, currentMoveString);
7208 strcat(machineMove, "\n");
7209 strcpy(moveList[forwardMostMove], machineMove);
7211 /* [AS] Save move info*/
7212 pvInfoList[ forwardMostMove ].score = programStats.score;
7213 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7214 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7216 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7218 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7219 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7222 while( count < adjudicateLossPlies ) {
7223 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7226 score = -score; /* Flip score for winning side */
7229 if( score > adjudicateLossThreshold ) {
7236 if( count >= adjudicateLossPlies ) {
7237 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7239 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7240 "Xboard adjudication",
7247 if(Adjudicate(cps)) return; // [HGM] adjudicate: for all automatic game ends
7250 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7252 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7253 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7255 SendMoveToICS(moveType, fromX, fromY, toX, toY);
7257 SendMoveToICS(moveType, fromX, fromY, toX, toY);
7259 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
7260 char buf[3*MSG_SIZ];
7262 sprintf(buf, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
7263 programStats.score / 100.,
7265 programStats.time / 100.,
7266 (unsigned int)programStats.nodes,
7267 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
7268 programStats.movelist);
7270 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
7275 /* [AS] Clear stats for next move */
7276 ClearProgramStats();
7277 thinkOutput[0] = NULLCHAR;
7278 hiddenThinkOutputState = 0;
7281 if (gameMode == TwoMachinesPlay) {
7282 /* [HGM] relaying draw offers moved to after reception of move */
7283 /* and interpreting offer as claim if it brings draw condition */
7284 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
7285 SendToProgram("draw\n", cps->other);
7287 if (cps->other->sendTime) {
7288 SendTimeRemaining(cps->other,
7289 cps->other->twoMachinesColor[0] == 'w');
7291 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
7292 if (firstMove && !bookHit) {
7294 if (cps->other->useColors) {
7295 SendToProgram(cps->other->twoMachinesColor, cps->other);
7297 SendToProgram("go\n", cps->other);
7299 cps->other->maybeThinking = TRUE;
7302 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7304 if (!pausing && appData.ringBellAfterMoves) {
7309 * Reenable menu items that were disabled while
7310 * machine was thinking
7312 if (gameMode != TwoMachinesPlay)
7313 SetUserThinkingEnables();
7315 // [HGM] book: after book hit opponent has received move and is now in force mode
7316 // force the book reply into it, and then fake that it outputted this move by jumping
7317 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
7319 static char bookMove[MSG_SIZ]; // a bit generous?
7321 strcpy(bookMove, "move ");
7322 strcat(bookMove, bookHit);
7325 programStats.nodes = programStats.depth = programStats.time =
7326 programStats.score = programStats.got_only_move = 0;
7327 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7329 if(cps->lastPing != cps->lastPong) {
7330 savedMessage = message; // args for deferred call
7332 ScheduleDelayedEvent(DeferredBookMove, 10);
7341 /* Set special modes for chess engines. Later something general
7342 * could be added here; for now there is just one kludge feature,
7343 * needed because Crafty 15.10 and earlier don't ignore SIGINT
7344 * when "xboard" is given as an interactive command.
7346 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
7347 cps->useSigint = FALSE;
7348 cps->useSigterm = FALSE;
7350 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
7351 ParseFeatures(message+8, cps);
7352 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
7355 /* [HGM] Allow engine to set up a position. Don't ask me why one would
7356 * want this, I was asked to put it in, and obliged.
7358 if (!strncmp(message, "setboard ", 9)) {
7359 Board initial_position;
7361 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
7363 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
7364 DisplayError(_("Bad FEN received from engine"), 0);
7368 CopyBoard(boards[0], initial_position);
7369 initialRulePlies = FENrulePlies;
7370 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
7371 else gameMode = MachinePlaysBlack;
7372 DrawPosition(FALSE, boards[currentMove]);
7378 * Look for communication commands
7380 if (!strncmp(message, "telluser ", 9)) {
7381 EscapeExpand(message+9, message+9); // [HGM] esc: allow escape sequences in popup box
7382 DisplayNote(message + 9);
7385 if (!strncmp(message, "tellusererror ", 14)) {
7387 EscapeExpand(message+14, message+14); // [HGM] esc: allow escape sequences in popup box
7388 DisplayError(message + 14, 0);
7391 if (!strncmp(message, "tellopponent ", 13)) {
7392 if (appData.icsActive) {
7394 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
7398 DisplayNote(message + 13);
7402 if (!strncmp(message, "tellothers ", 11)) {
7403 if (appData.icsActive) {
7405 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
7411 if (!strncmp(message, "tellall ", 8)) {
7412 if (appData.icsActive) {
7414 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
7418 DisplayNote(message + 8);
7422 if (strncmp(message, "warning", 7) == 0) {
7423 /* Undocumented feature, use tellusererror in new code */
7424 DisplayError(message, 0);
7427 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
7428 strcpy(realname, cps->tidy);
7429 strcat(realname, " query");
7430 AskQuestion(realname, buf2, buf1, cps->pr);
7433 /* Commands from the engine directly to ICS. We don't allow these to be
7434 * sent until we are logged on. Crafty kibitzes have been known to
7435 * interfere with the login process.
7438 if (!strncmp(message, "tellics ", 8)) {
7439 SendToICS(message + 8);
7443 if (!strncmp(message, "tellicsnoalias ", 15)) {
7444 SendToICS(ics_prefix);
7445 SendToICS(message + 15);
7449 /* The following are for backward compatibility only */
7450 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
7451 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
7452 SendToICS(ics_prefix);
7458 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
7462 * If the move is illegal, cancel it and redraw the board.
7463 * Also deal with other error cases. Matching is rather loose
7464 * here to accommodate engines written before the spec.
7466 if (strncmp(message + 1, "llegal move", 11) == 0 ||
7467 strncmp(message, "Error", 5) == 0) {
7468 if (StrStr(message, "name") ||
7469 StrStr(message, "rating") || StrStr(message, "?") ||
7470 StrStr(message, "result") || StrStr(message, "board") ||
7471 StrStr(message, "bk") || StrStr(message, "computer") ||
7472 StrStr(message, "variant") || StrStr(message, "hint") ||
7473 StrStr(message, "random") || StrStr(message, "depth") ||
7474 StrStr(message, "accepted")) {
7477 if (StrStr(message, "protover")) {
7478 /* Program is responding to input, so it's apparently done
7479 initializing, and this error message indicates it is
7480 protocol version 1. So we don't need to wait any longer
7481 for it to initialize and send feature commands. */
7482 FeatureDone(cps, 1);
7483 cps->protocolVersion = 1;
7486 cps->maybeThinking = FALSE;
7488 if (StrStr(message, "draw")) {
7489 /* Program doesn't have "draw" command */
7490 cps->sendDrawOffers = 0;
7493 if (cps->sendTime != 1 &&
7494 (StrStr(message, "time") || StrStr(message, "otim"))) {
7495 /* Program apparently doesn't have "time" or "otim" command */
7499 if (StrStr(message, "analyze")) {
7500 cps->analysisSupport = FALSE;
7501 cps->analyzing = FALSE;
7503 sprintf(buf2, _("%s does not support analysis"), cps->tidy);
7504 DisplayError(buf2, 0);
7507 if (StrStr(message, "(no matching move)st")) {
7508 /* Special kludge for GNU Chess 4 only */
7509 cps->stKludge = TRUE;
7510 SendTimeControl(cps, movesPerSession, timeControl,
7511 timeIncrement, appData.searchDepth,
7515 if (StrStr(message, "(no matching move)sd")) {
7516 /* Special kludge for GNU Chess 4 only */
7517 cps->sdKludge = TRUE;
7518 SendTimeControl(cps, movesPerSession, timeControl,
7519 timeIncrement, appData.searchDepth,
7523 if (!StrStr(message, "llegal")) {
7526 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7527 gameMode == IcsIdle) return;
7528 if (forwardMostMove <= backwardMostMove) return;
7529 if (pausing) PauseEvent();
7530 if(appData.forceIllegal) {
7531 // [HGM] illegal: machine refused move; force position after move into it
7532 SendToProgram("force\n", cps);
7533 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
7534 // we have a real problem now, as SendBoard will use the a2a3 kludge
7535 // when black is to move, while there might be nothing on a2 or black
7536 // might already have the move. So send the board as if white has the move.
7537 // But first we must change the stm of the engine, as it refused the last move
7538 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
7539 if(WhiteOnMove(forwardMostMove)) {
7540 SendToProgram("a7a6\n", cps); // for the engine black still had the move
7541 SendBoard(cps, forwardMostMove); // kludgeless board
7543 SendToProgram("a2a3\n", cps); // for the engine white still had the move
7544 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7545 SendBoard(cps, forwardMostMove+1); // kludgeless board
7547 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
7548 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
7549 gameMode == TwoMachinesPlay)
7550 SendToProgram("go\n", cps);
7553 if (gameMode == PlayFromGameFile) {
7554 /* Stop reading this game file */
7555 gameMode = EditGame;
7558 currentMove = forwardMostMove-1;
7559 DisplayMove(currentMove-1); /* before DisplayMoveError */
7560 SwitchClocks(forwardMostMove-1); // [HGM] race
7561 DisplayBothClocks();
7562 sprintf(buf1, _("Illegal move \"%s\" (rejected by %s chess program)"),
7563 parseList[currentMove], cps->which);
7564 DisplayMoveError(buf1);
7565 DrawPosition(FALSE, boards[currentMove]);
7567 /* [HGM] illegal-move claim should forfeit game when Xboard */
7568 /* only passes fully legal moves */
7569 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
7570 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
7571 "False illegal-move claim", GE_XBOARD );
7575 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
7576 /* Program has a broken "time" command that
7577 outputs a string not ending in newline.
7583 * If chess program startup fails, exit with an error message.
7584 * Attempts to recover here are futile.
7586 if ((StrStr(message, "unknown host") != NULL)
7587 || (StrStr(message, "No remote directory") != NULL)
7588 || (StrStr(message, "not found") != NULL)
7589 || (StrStr(message, "No such file") != NULL)
7590 || (StrStr(message, "can't alloc") != NULL)
7591 || (StrStr(message, "Permission denied") != NULL)) {
7593 cps->maybeThinking = FALSE;
7594 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
7595 cps->which, cps->program, cps->host, message);
7596 RemoveInputSource(cps->isr);
7597 DisplayFatalError(buf1, 0, 1);
7602 * Look for hint output
7604 if (sscanf(message, "Hint: %s", buf1) == 1) {
7605 if (cps == &first && hintRequested) {
7606 hintRequested = FALSE;
7607 if (ParseOneMove(buf1, forwardMostMove, &moveType,
7608 &fromX, &fromY, &toX, &toY, &promoChar)) {
7609 (void) CoordsToAlgebraic(boards[forwardMostMove],
7610 PosFlags(forwardMostMove),
7611 fromY, fromX, toY, toX, promoChar, buf1);
7612 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
7613 DisplayInformation(buf2);
7615 /* Hint move could not be parsed!? */
7616 snprintf(buf2, sizeof(buf2),
7617 _("Illegal hint move \"%s\"\nfrom %s chess program"),
7619 DisplayError(buf2, 0);
7622 strcpy(lastHint, buf1);
7628 * Ignore other messages if game is not in progress
7630 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7631 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
7634 * look for win, lose, draw, or draw offer
7636 if (strncmp(message, "1-0", 3) == 0) {
7637 char *p, *q, *r = "";
7638 p = strchr(message, '{');
7646 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
7648 } else if (strncmp(message, "0-1", 3) == 0) {
7649 char *p, *q, *r = "";
7650 p = strchr(message, '{');
7658 /* Kludge for Arasan 4.1 bug */
7659 if (strcmp(r, "Black resigns") == 0) {
7660 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
7663 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
7665 } else if (strncmp(message, "1/2", 3) == 0) {
7666 char *p, *q, *r = "";
7667 p = strchr(message, '{');
7676 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
7679 } else if (strncmp(message, "White resign", 12) == 0) {
7680 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7682 } else if (strncmp(message, "Black resign", 12) == 0) {
7683 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7685 } else if (strncmp(message, "White matches", 13) == 0 ||
7686 strncmp(message, "Black matches", 13) == 0 ) {
7687 /* [HGM] ignore GNUShogi noises */
7689 } else if (strncmp(message, "White", 5) == 0 &&
7690 message[5] != '(' &&
7691 StrStr(message, "Black") == NULL) {
7692 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7694 } else if (strncmp(message, "Black", 5) == 0 &&
7695 message[5] != '(') {
7696 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7698 } else if (strcmp(message, "resign") == 0 ||
7699 strcmp(message, "computer resigns") == 0) {
7701 case MachinePlaysBlack:
7702 case IcsPlayingBlack:
7703 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
7705 case MachinePlaysWhite:
7706 case IcsPlayingWhite:
7707 GameEnds(BlackWins, "White resigns", GE_ENGINE);
7709 case TwoMachinesPlay:
7710 if (cps->twoMachinesColor[0] == 'w')
7711 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7713 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7720 } else if (strncmp(message, "opponent mates", 14) == 0) {
7722 case MachinePlaysBlack:
7723 case IcsPlayingBlack:
7724 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7726 case MachinePlaysWhite:
7727 case IcsPlayingWhite:
7728 GameEnds(BlackWins, "Black mates", GE_ENGINE);
7730 case TwoMachinesPlay:
7731 if (cps->twoMachinesColor[0] == 'w')
7732 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7734 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7741 } else if (strncmp(message, "computer mates", 14) == 0) {
7743 case MachinePlaysBlack:
7744 case IcsPlayingBlack:
7745 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
7747 case MachinePlaysWhite:
7748 case IcsPlayingWhite:
7749 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7751 case TwoMachinesPlay:
7752 if (cps->twoMachinesColor[0] == 'w')
7753 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7755 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7762 } else if (strncmp(message, "checkmate", 9) == 0) {
7763 if (WhiteOnMove(forwardMostMove)) {
7764 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7766 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7769 } else if (strstr(message, "Draw") != NULL ||
7770 strstr(message, "game is a draw") != NULL) {
7771 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
7773 } else if (strstr(message, "offer") != NULL &&
7774 strstr(message, "draw") != NULL) {
7776 if (appData.zippyPlay && first.initDone) {
7777 /* Relay offer to ICS */
7778 SendToICS(ics_prefix);
7779 SendToICS("draw\n");
7782 cps->offeredDraw = 2; /* valid until this engine moves twice */
7783 if (gameMode == TwoMachinesPlay) {
7784 if (cps->other->offeredDraw) {
7785 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7786 /* [HGM] in two-machine mode we delay relaying draw offer */
7787 /* until after we also have move, to see if it is really claim */
7789 } else if (gameMode == MachinePlaysWhite ||
7790 gameMode == MachinePlaysBlack) {
7791 if (userOfferedDraw) {
7792 DisplayInformation(_("Machine accepts your draw offer"));
7793 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7795 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
7802 * Look for thinking output
7804 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
7805 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7807 int plylev, mvleft, mvtot, curscore, time;
7808 char mvname[MOVE_LEN];
7812 int prefixHint = FALSE;
7813 mvname[0] = NULLCHAR;
7816 case MachinePlaysBlack:
7817 case IcsPlayingBlack:
7818 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7820 case MachinePlaysWhite:
7821 case IcsPlayingWhite:
7822 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7827 case IcsObserving: /* [DM] icsEngineAnalyze */
7828 if (!appData.icsEngineAnalyze) ignore = TRUE;
7830 case TwoMachinesPlay:
7831 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
7841 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
7843 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7844 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
7846 if (plyext != ' ' && plyext != '\t') {
7850 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7851 if( cps->scoreIsAbsolute &&
7852 ( gameMode == MachinePlaysBlack ||
7853 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
7854 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
7855 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
7856 !WhiteOnMove(currentMove)
7859 curscore = -curscore;
7863 tempStats.depth = plylev;
7864 tempStats.nodes = nodes;
7865 tempStats.time = time;
7866 tempStats.score = curscore;
7867 tempStats.got_only_move = 0;
7869 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
7872 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
7873 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
7874 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
7875 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
7876 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
7877 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
7878 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
7879 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
7882 /* Buffer overflow protection */
7883 if (buf1[0] != NULLCHAR) {
7884 if (strlen(buf1) >= sizeof(tempStats.movelist)
7885 && appData.debugMode) {
7887 "PV is too long; using the first %u bytes.\n",
7888 (unsigned) sizeof(tempStats.movelist) - 1);
7891 safeStrCpy( tempStats.movelist, buf1, sizeof(tempStats.movelist) );
7893 sprintf(tempStats.movelist, " no PV\n");
7896 if (tempStats.seen_stat) {
7897 tempStats.ok_to_send = 1;
7900 if (strchr(tempStats.movelist, '(') != NULL) {
7901 tempStats.line_is_book = 1;
7902 tempStats.nr_moves = 0;
7903 tempStats.moves_left = 0;
7905 tempStats.line_is_book = 0;
7908 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
7909 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
7911 SendProgramStatsToFrontend( cps, &tempStats );
7914 [AS] Protect the thinkOutput buffer from overflow... this
7915 is only useful if buf1 hasn't overflowed first!
7917 sprintf(thinkOutput, "[%d]%c%+.2f %s%s",
7919 (gameMode == TwoMachinesPlay ?
7920 ToUpper(cps->twoMachinesColor[0]) : ' '),
7921 ((double) curscore) / 100.0,
7922 prefixHint ? lastHint : "",
7923 prefixHint ? " " : "" );
7925 if( buf1[0] != NULLCHAR ) {
7926 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
7928 if( strlen(buf1) > max_len ) {
7929 if( appData.debugMode) {
7930 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
7932 buf1[max_len+1] = '\0';
7935 strcat( thinkOutput, buf1 );
7938 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
7939 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7940 DisplayMove(currentMove - 1);
7944 } else if ((p=StrStr(message, "(only move)")) != NULL) {
7945 /* crafty (9.25+) says "(only move) <move>"
7946 * if there is only 1 legal move
7948 sscanf(p, "(only move) %s", buf1);
7949 sprintf(thinkOutput, "%s (only move)", buf1);
7950 sprintf(programStats.movelist, "%s (only move)", buf1);
7951 programStats.depth = 1;
7952 programStats.nr_moves = 1;
7953 programStats.moves_left = 1;
7954 programStats.nodes = 1;
7955 programStats.time = 1;
7956 programStats.got_only_move = 1;
7958 /* Not really, but we also use this member to
7959 mean "line isn't going to change" (Crafty
7960 isn't searching, so stats won't change) */
7961 programStats.line_is_book = 1;
7963 SendProgramStatsToFrontend( cps, &programStats );
7965 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
7966 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7967 DisplayMove(currentMove - 1);
7970 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
7971 &time, &nodes, &plylev, &mvleft,
7972 &mvtot, mvname) >= 5) {
7973 /* The stat01: line is from Crafty (9.29+) in response
7974 to the "." command */
7975 programStats.seen_stat = 1;
7976 cps->maybeThinking = TRUE;
7978 if (programStats.got_only_move || !appData.periodicUpdates)
7981 programStats.depth = plylev;
7982 programStats.time = time;
7983 programStats.nodes = nodes;
7984 programStats.moves_left = mvleft;
7985 programStats.nr_moves = mvtot;
7986 strcpy(programStats.move_name, mvname);
7987 programStats.ok_to_send = 1;
7988 programStats.movelist[0] = '\0';
7990 SendProgramStatsToFrontend( cps, &programStats );
7994 } else if (strncmp(message,"++",2) == 0) {
7995 /* Crafty 9.29+ outputs this */
7996 programStats.got_fail = 2;
7999 } else if (strncmp(message,"--",2) == 0) {
8000 /* Crafty 9.29+ outputs this */
8001 programStats.got_fail = 1;
8004 } else if (thinkOutput[0] != NULLCHAR &&
8005 strncmp(message, " ", 4) == 0) {
8006 unsigned message_len;
8009 while (*p && *p == ' ') p++;
8011 message_len = strlen( p );
8013 /* [AS] Avoid buffer overflow */
8014 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8015 strcat(thinkOutput, " ");
8016 strcat(thinkOutput, p);
8019 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8020 strcat(programStats.movelist, " ");
8021 strcat(programStats.movelist, p);
8024 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8025 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8026 DisplayMove(currentMove - 1);
8034 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8035 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8037 ChessProgramStats cpstats;
8039 if (plyext != ' ' && plyext != '\t') {
8043 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8044 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8045 curscore = -curscore;
8048 cpstats.depth = plylev;
8049 cpstats.nodes = nodes;
8050 cpstats.time = time;
8051 cpstats.score = curscore;
8052 cpstats.got_only_move = 0;
8053 cpstats.movelist[0] = '\0';
8055 if (buf1[0] != NULLCHAR) {
8056 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist) );
8059 cpstats.ok_to_send = 0;
8060 cpstats.line_is_book = 0;
8061 cpstats.nr_moves = 0;
8062 cpstats.moves_left = 0;
8064 SendProgramStatsToFrontend( cps, &cpstats );
8071 /* Parse a game score from the character string "game", and
8072 record it as the history of the current game. The game
8073 score is NOT assumed to start from the standard position.
8074 The display is not updated in any way.
8077 ParseGameHistory(game)
8081 int fromX, fromY, toX, toY, boardIndex;
8086 if (appData.debugMode)
8087 fprintf(debugFP, "Parsing game history: %s\n", game);
8089 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8090 gameInfo.site = StrSave(appData.icsHost);
8091 gameInfo.date = PGNDate();
8092 gameInfo.round = StrSave("-");
8094 /* Parse out names of players */
8095 while (*game == ' ') game++;
8097 while (*game != ' ') *p++ = *game++;
8099 gameInfo.white = StrSave(buf);
8100 while (*game == ' ') game++;
8102 while (*game != ' ' && *game != '\n') *p++ = *game++;
8104 gameInfo.black = StrSave(buf);
8107 boardIndex = blackPlaysFirst ? 1 : 0;
8110 yyboardindex = boardIndex;
8111 moveType = (ChessMove) yylex();
8113 case IllegalMove: /* maybe suicide chess, etc. */
8114 if (appData.debugMode) {
8115 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8116 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8117 setbuf(debugFP, NULL);
8119 case WhitePromotionChancellor:
8120 case BlackPromotionChancellor:
8121 case WhitePromotionArchbishop:
8122 case BlackPromotionArchbishop:
8123 case WhitePromotionQueen:
8124 case BlackPromotionQueen:
8125 case WhitePromotionRook:
8126 case BlackPromotionRook:
8127 case WhitePromotionBishop:
8128 case BlackPromotionBishop:
8129 case WhitePromotionKnight:
8130 case BlackPromotionKnight:
8131 case WhitePromotionKing:
8132 case BlackPromotionKing:
8133 case WhiteNonPromotion:
8134 case BlackNonPromotion:
8136 case WhiteCapturesEnPassant:
8137 case BlackCapturesEnPassant:
8138 case WhiteKingSideCastle:
8139 case WhiteQueenSideCastle:
8140 case BlackKingSideCastle:
8141 case BlackQueenSideCastle:
8142 case WhiteKingSideCastleWild:
8143 case WhiteQueenSideCastleWild:
8144 case BlackKingSideCastleWild:
8145 case BlackQueenSideCastleWild:
8147 case WhiteHSideCastleFR:
8148 case WhiteASideCastleFR:
8149 case BlackHSideCastleFR:
8150 case BlackASideCastleFR:
8152 fromX = currentMoveString[0] - AAA;
8153 fromY = currentMoveString[1] - ONE;
8154 toX = currentMoveString[2] - AAA;
8155 toY = currentMoveString[3] - ONE;
8156 promoChar = currentMoveString[4];
8160 fromX = moveType == WhiteDrop ?
8161 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8162 (int) CharToPiece(ToLower(currentMoveString[0]));
8164 toX = currentMoveString[2] - AAA;
8165 toY = currentMoveString[3] - ONE;
8166 promoChar = NULLCHAR;
8170 sprintf(buf, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8171 if (appData.debugMode) {
8172 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8173 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8174 setbuf(debugFP, NULL);
8176 DisplayError(buf, 0);
8178 case ImpossibleMove:
8180 sprintf(buf, _("Illegal move in ICS output: \"%s\""), yy_text);
8181 if (appData.debugMode) {
8182 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8183 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8184 setbuf(debugFP, NULL);
8186 DisplayError(buf, 0);
8188 case (ChessMove) 0: /* end of file */
8189 if (boardIndex < backwardMostMove) {
8190 /* Oops, gap. How did that happen? */
8191 DisplayError(_("Gap in move list"), 0);
8194 backwardMostMove = blackPlaysFirst ? 1 : 0;
8195 if (boardIndex > forwardMostMove) {
8196 forwardMostMove = boardIndex;
8200 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8201 strcat(parseList[boardIndex-1], " ");
8202 strcat(parseList[boardIndex-1], yy_text);
8214 case GameUnfinished:
8215 if (gameMode == IcsExamining) {
8216 if (boardIndex < backwardMostMove) {
8217 /* Oops, gap. How did that happen? */
8220 backwardMostMove = blackPlaysFirst ? 1 : 0;
8223 gameInfo.result = moveType;
8224 p = strchr(yy_text, '{');
8225 if (p == NULL) p = strchr(yy_text, '(');
8228 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8230 q = strchr(p, *p == '{' ? '}' : ')');
8231 if (q != NULL) *q = NULLCHAR;
8234 gameInfo.resultDetails = StrSave(p);
8237 if (boardIndex >= forwardMostMove &&
8238 !(gameMode == IcsObserving && ics_gamenum == -1)) {
8239 backwardMostMove = blackPlaysFirst ? 1 : 0;
8242 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
8243 fromY, fromX, toY, toX, promoChar,
8244 parseList[boardIndex]);
8245 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
8246 /* currentMoveString is set as a side-effect of yylex */
8247 strcpy(moveList[boardIndex], currentMoveString);
8248 strcat(moveList[boardIndex], "\n");
8250 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
8251 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
8257 if(gameInfo.variant != VariantShogi)
8258 strcat(parseList[boardIndex - 1], "+");
8262 strcat(parseList[boardIndex - 1], "#");
8269 /* Apply a move to the given board */
8271 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
8272 int fromX, fromY, toX, toY;
8276 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
8277 int promoRank = gameInfo.variant == VariantMakruk ? 3 : 1;
8279 /* [HGM] compute & store e.p. status and castling rights for new position */
8280 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
8282 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
8283 oldEP = (signed char)board[EP_STATUS];
8284 board[EP_STATUS] = EP_NONE;
8286 if( board[toY][toX] != EmptySquare )
8287 board[EP_STATUS] = EP_CAPTURE;
8289 /* [HGM] In Shatranj and Courier all promotions are to Ferz */
8290 if((gameInfo.variant==VariantShatranj || gameInfo.variant==VariantCourier || gameInfo.variant == VariantMakruk)
8291 && promoChar != 0) promoChar = PieceToChar(WhiteFerz);
8293 if (fromY == DROP_RANK) {
8295 piece = board[toY][toX] = (ChessSquare) fromX;
8299 if( board[fromY][fromX] == WhitePawn ) {
8300 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8301 board[EP_STATUS] = EP_PAWN_MOVE;
8303 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
8304 gameInfo.variant != VariantBerolina || toX < fromX)
8305 board[EP_STATUS] = toX | berolina;
8306 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
8307 gameInfo.variant != VariantBerolina || toX > fromX)
8308 board[EP_STATUS] = toX;
8311 if( board[fromY][fromX] == BlackPawn ) {
8312 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8313 board[EP_STATUS] = EP_PAWN_MOVE;
8314 if( toY-fromY== -2) {
8315 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
8316 gameInfo.variant != VariantBerolina || toX < fromX)
8317 board[EP_STATUS] = toX | berolina;
8318 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
8319 gameInfo.variant != VariantBerolina || toX > fromX)
8320 board[EP_STATUS] = toX;
8324 for(i=0; i<nrCastlingRights; i++) {
8325 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
8326 board[CASTLING][i] == toX && castlingRank[i] == toY
8327 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
8330 if (fromX == toX && fromY == toY) return;
8332 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
8333 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
8334 if(gameInfo.variant == VariantKnightmate)
8335 king += (int) WhiteUnicorn - (int) WhiteKing;
8337 /* Code added by Tord: */
8338 /* FRC castling assumed when king captures friendly rook. */
8339 if (board[fromY][fromX] == WhiteKing &&
8340 board[toY][toX] == WhiteRook) {
8341 board[fromY][fromX] = EmptySquare;
8342 board[toY][toX] = EmptySquare;
8344 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
8346 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
8348 } else if (board[fromY][fromX] == BlackKing &&
8349 board[toY][toX] == BlackRook) {
8350 board[fromY][fromX] = EmptySquare;
8351 board[toY][toX] = EmptySquare;
8353 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
8355 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
8357 /* End of code added by Tord */
8359 } else if (board[fromY][fromX] == king
8360 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8361 && toY == fromY && toX > fromX+1) {
8362 board[fromY][fromX] = EmptySquare;
8363 board[toY][toX] = king;
8364 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8365 board[fromY][BOARD_RGHT-1] = EmptySquare;
8366 } else if (board[fromY][fromX] == king
8367 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8368 && toY == fromY && toX < fromX-1) {
8369 board[fromY][fromX] = EmptySquare;
8370 board[toY][toX] = king;
8371 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8372 board[fromY][BOARD_LEFT] = EmptySquare;
8373 } else if (board[fromY][fromX] == WhitePawn
8374 && toY >= BOARD_HEIGHT-promoRank
8375 && gameInfo.variant != VariantXiangqi
8377 /* white pawn promotion */
8378 board[toY][toX] = CharToPiece(ToUpper(promoChar));
8379 if (board[toY][toX] == EmptySquare) {
8380 board[toY][toX] = WhiteQueen;
8382 if(gameInfo.variant==VariantBughouse ||
8383 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8384 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8385 board[fromY][fromX] = EmptySquare;
8386 } else if ((fromY == BOARD_HEIGHT-4)
8388 && gameInfo.variant != VariantXiangqi
8389 && gameInfo.variant != VariantBerolina
8390 && (board[fromY][fromX] == WhitePawn)
8391 && (board[toY][toX] == EmptySquare)) {
8392 board[fromY][fromX] = EmptySquare;
8393 board[toY][toX] = WhitePawn;
8394 captured = board[toY - 1][toX];
8395 board[toY - 1][toX] = EmptySquare;
8396 } else if ((fromY == BOARD_HEIGHT-4)
8398 && gameInfo.variant == VariantBerolina
8399 && (board[fromY][fromX] == WhitePawn)
8400 && (board[toY][toX] == EmptySquare)) {
8401 board[fromY][fromX] = EmptySquare;
8402 board[toY][toX] = WhitePawn;
8403 if(oldEP & EP_BEROLIN_A) {
8404 captured = board[fromY][fromX-1];
8405 board[fromY][fromX-1] = EmptySquare;
8406 }else{ captured = board[fromY][fromX+1];
8407 board[fromY][fromX+1] = EmptySquare;
8409 } else if (board[fromY][fromX] == king
8410 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8411 && toY == fromY && toX > fromX+1) {
8412 board[fromY][fromX] = EmptySquare;
8413 board[toY][toX] = king;
8414 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8415 board[fromY][BOARD_RGHT-1] = EmptySquare;
8416 } else if (board[fromY][fromX] == king
8417 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8418 && toY == fromY && toX < fromX-1) {
8419 board[fromY][fromX] = EmptySquare;
8420 board[toY][toX] = king;
8421 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8422 board[fromY][BOARD_LEFT] = EmptySquare;
8423 } else if (fromY == 7 && fromX == 3
8424 && board[fromY][fromX] == BlackKing
8425 && toY == 7 && toX == 5) {
8426 board[fromY][fromX] = EmptySquare;
8427 board[toY][toX] = BlackKing;
8428 board[fromY][7] = EmptySquare;
8429 board[toY][4] = BlackRook;
8430 } else if (fromY == 7 && fromX == 3
8431 && board[fromY][fromX] == BlackKing
8432 && toY == 7 && toX == 1) {
8433 board[fromY][fromX] = EmptySquare;
8434 board[toY][toX] = BlackKing;
8435 board[fromY][0] = EmptySquare;
8436 board[toY][2] = BlackRook;
8437 } else if (board[fromY][fromX] == BlackPawn
8439 && gameInfo.variant != VariantXiangqi
8441 /* black pawn promotion */
8442 board[toY][toX] = CharToPiece(ToLower(promoChar));
8443 if (board[toY][toX] == EmptySquare) {
8444 board[toY][toX] = BlackQueen;
8446 if(gameInfo.variant==VariantBughouse ||
8447 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8448 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8449 board[fromY][fromX] = EmptySquare;
8450 } else if ((fromY == 3)
8452 && gameInfo.variant != VariantXiangqi
8453 && gameInfo.variant != VariantBerolina
8454 && (board[fromY][fromX] == BlackPawn)
8455 && (board[toY][toX] == EmptySquare)) {
8456 board[fromY][fromX] = EmptySquare;
8457 board[toY][toX] = BlackPawn;
8458 captured = board[toY + 1][toX];
8459 board[toY + 1][toX] = EmptySquare;
8460 } else if ((fromY == 3)
8462 && gameInfo.variant == VariantBerolina
8463 && (board[fromY][fromX] == BlackPawn)
8464 && (board[toY][toX] == EmptySquare)) {
8465 board[fromY][fromX] = EmptySquare;
8466 board[toY][toX] = BlackPawn;
8467 if(oldEP & EP_BEROLIN_A) {
8468 captured = board[fromY][fromX-1];
8469 board[fromY][fromX-1] = EmptySquare;
8470 }else{ captured = board[fromY][fromX+1];
8471 board[fromY][fromX+1] = EmptySquare;
8474 board[toY][toX] = board[fromY][fromX];
8475 board[fromY][fromX] = EmptySquare;
8478 /* [HGM] now we promote for Shogi, if needed */
8479 if(gameInfo.variant == VariantShogi && promoChar == 'q')
8480 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8483 if (gameInfo.holdingsWidth != 0) {
8485 /* !!A lot more code needs to be written to support holdings */
8486 /* [HGM] OK, so I have written it. Holdings are stored in the */
8487 /* penultimate board files, so they are automaticlly stored */
8488 /* in the game history. */
8489 if (fromY == DROP_RANK) {
8490 /* Delete from holdings, by decreasing count */
8491 /* and erasing image if necessary */
8493 if(p < (int) BlackPawn) { /* white drop */
8494 p -= (int)WhitePawn;
8495 p = PieceToNumber((ChessSquare)p);
8496 if(p >= gameInfo.holdingsSize) p = 0;
8497 if(--board[p][BOARD_WIDTH-2] <= 0)
8498 board[p][BOARD_WIDTH-1] = EmptySquare;
8499 if((int)board[p][BOARD_WIDTH-2] < 0)
8500 board[p][BOARD_WIDTH-2] = 0;
8501 } else { /* black drop */
8502 p -= (int)BlackPawn;
8503 p = PieceToNumber((ChessSquare)p);
8504 if(p >= gameInfo.holdingsSize) p = 0;
8505 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
8506 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
8507 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
8508 board[BOARD_HEIGHT-1-p][1] = 0;
8511 if (captured != EmptySquare && gameInfo.holdingsSize > 0
8512 && gameInfo.variant != VariantBughouse ) {
8513 /* [HGM] holdings: Add to holdings, if holdings exist */
8514 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
8515 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
8516 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
8519 if (p >= (int) BlackPawn) {
8520 p -= (int)BlackPawn;
8521 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8522 /* in Shogi restore piece to its original first */
8523 captured = (ChessSquare) (DEMOTED captured);
8526 p = PieceToNumber((ChessSquare)p);
8527 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
8528 board[p][BOARD_WIDTH-2]++;
8529 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
8531 p -= (int)WhitePawn;
8532 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8533 captured = (ChessSquare) (DEMOTED captured);
8536 p = PieceToNumber((ChessSquare)p);
8537 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
8538 board[BOARD_HEIGHT-1-p][1]++;
8539 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
8542 } else if (gameInfo.variant == VariantAtomic) {
8543 if (captured != EmptySquare) {
8545 for (y = toY-1; y <= toY+1; y++) {
8546 for (x = toX-1; x <= toX+1; x++) {
8547 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
8548 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
8549 board[y][x] = EmptySquare;
8553 board[toY][toX] = EmptySquare;
8556 if(gameInfo.variant == VariantShogi && promoChar != NULLCHAR && promoChar != '=') {
8557 /* [HGM] Shogi promotions */
8558 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8561 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8562 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
8563 // [HGM] superchess: take promotion piece out of holdings
8564 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
8565 if((int)piece < (int)BlackPawn) { // determine stm from piece color
8566 if(!--board[k][BOARD_WIDTH-2])
8567 board[k][BOARD_WIDTH-1] = EmptySquare;
8569 if(!--board[BOARD_HEIGHT-1-k][1])
8570 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
8576 /* Updates forwardMostMove */
8578 MakeMove(fromX, fromY, toX, toY, promoChar)
8579 int fromX, fromY, toX, toY;
8582 // forwardMostMove++; // [HGM] bare: moved downstream
8584 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
8585 int timeLeft; static int lastLoadFlag=0; int king, piece;
8586 piece = boards[forwardMostMove][fromY][fromX];
8587 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
8588 if(gameInfo.variant == VariantKnightmate)
8589 king += (int) WhiteUnicorn - (int) WhiteKing;
8590 if(forwardMostMove == 0) {
8592 fprintf(serverMoves, "%s;", second.tidy);
8593 fprintf(serverMoves, "%s;", first.tidy);
8594 if(!blackPlaysFirst)
8595 fprintf(serverMoves, "%s;", second.tidy);
8596 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
8597 lastLoadFlag = loadFlag;
8599 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
8600 // print castling suffix
8601 if( toY == fromY && piece == king ) {
8603 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
8605 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
8608 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
8609 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
8610 boards[forwardMostMove][toY][toX] == EmptySquare
8611 && fromX != toX && fromY != toY)
8612 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
8614 if(promoChar != NULLCHAR)
8615 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
8617 fprintf(serverMoves, "/%d/%d",
8618 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
8619 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
8620 else timeLeft = blackTimeRemaining/1000;
8621 fprintf(serverMoves, "/%d", timeLeft);
8623 fflush(serverMoves);
8626 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
8627 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
8631 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
8632 if (commentList[forwardMostMove+1] != NULL) {
8633 free(commentList[forwardMostMove+1]);
8634 commentList[forwardMostMove+1] = NULL;
8636 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8637 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
8638 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
8639 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
8640 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
8641 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
8642 gameInfo.result = GameUnfinished;
8643 if (gameInfo.resultDetails != NULL) {
8644 free(gameInfo.resultDetails);
8645 gameInfo.resultDetails = NULL;
8647 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
8648 moveList[forwardMostMove - 1]);
8649 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
8650 PosFlags(forwardMostMove - 1),
8651 fromY, fromX, toY, toX, promoChar,
8652 parseList[forwardMostMove - 1]);
8653 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8659 if(gameInfo.variant != VariantShogi)
8660 strcat(parseList[forwardMostMove - 1], "+");
8664 strcat(parseList[forwardMostMove - 1], "#");
8667 if (appData.debugMode) {
8668 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
8673 /* Updates currentMove if not pausing */
8675 ShowMove(fromX, fromY, toX, toY)
8677 int instant = (gameMode == PlayFromGameFile) ?
8678 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
8679 if(appData.noGUI) return;
8680 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
8682 if (forwardMostMove == currentMove + 1) {
8683 AnimateMove(boards[forwardMostMove - 1],
8684 fromX, fromY, toX, toY);
8686 if (appData.highlightLastMove) {
8687 SetHighlights(fromX, fromY, toX, toY);
8690 currentMove = forwardMostMove;
8693 if (instant) return;
8695 DisplayMove(currentMove - 1);
8696 DrawPosition(FALSE, boards[currentMove]);
8697 DisplayBothClocks();
8698 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
8701 void SendEgtPath(ChessProgramState *cps)
8702 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
8703 char buf[MSG_SIZ], name[MSG_SIZ], *p;
8705 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
8708 char c, *q = name+1, *r, *s;
8710 name[0] = ','; // extract next format name from feature and copy with prefixed ','
8711 while(*p && *p != ',') *q++ = *p++;
8713 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
8714 strcmp(name, ",nalimov:") == 0 ) {
8715 // take nalimov path from the menu-changeable option first, if it is defined
8716 sprintf(buf, "egtpath nalimov %s\n", appData.defaultPathEGTB);
8717 SendToProgram(buf,cps); // send egtbpath command for nalimov
8719 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
8720 (s = StrStr(appData.egtFormats, name)) != NULL) {
8721 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
8722 s = r = StrStr(s, ":") + 1; // beginning of path info
8723 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
8724 c = *r; *r = 0; // temporarily null-terminate path info
8725 *--q = 0; // strip of trailig ':' from name
8726 sprintf(buf, "egtpath %s %s\n", name+1, s);
8728 SendToProgram(buf,cps); // send egtbpath command for this format
8730 if(*p == ',') p++; // read away comma to position for next format name
8735 InitChessProgram(cps, setup)
8736 ChessProgramState *cps;
8737 int setup; /* [HGM] needed to setup FRC opening position */
8739 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
8740 if (appData.noChessProgram) return;
8741 hintRequested = FALSE;
8742 bookRequested = FALSE;
8744 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
8745 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
8746 if(cps->memSize) { /* [HGM] memory */
8747 sprintf(buf, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
8748 SendToProgram(buf, cps);
8750 SendEgtPath(cps); /* [HGM] EGT */
8751 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
8752 sprintf(buf, "cores %d\n", appData.smpCores);
8753 SendToProgram(buf, cps);
8756 SendToProgram(cps->initString, cps);
8757 if (gameInfo.variant != VariantNormal &&
8758 gameInfo.variant != VariantLoadable
8759 /* [HGM] also send variant if board size non-standard */
8760 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
8762 char *v = VariantName(gameInfo.variant);
8763 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
8764 /* [HGM] in protocol 1 we have to assume all variants valid */
8765 sprintf(buf, _("Variant %s not supported by %s"), v, cps->tidy);
8766 DisplayFatalError(buf, 0, 1);
8770 /* [HGM] make prefix for non-standard board size. Awkward testing... */
8771 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8772 if( gameInfo.variant == VariantXiangqi )
8773 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
8774 if( gameInfo.variant == VariantShogi )
8775 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
8776 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
8777 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
8778 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
8779 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
8780 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8781 if( gameInfo.variant == VariantCourier )
8782 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8783 if( gameInfo.variant == VariantSuper )
8784 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8785 if( gameInfo.variant == VariantGreat )
8786 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8789 sprintf(b, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
8790 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
8791 /* [HGM] varsize: try first if this defiant size variant is specifically known */
8792 if(StrStr(cps->variants, b) == NULL) {
8793 // specific sized variant not known, check if general sizing allowed
8794 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
8795 if(StrStr(cps->variants, "boardsize") == NULL) {
8796 sprintf(buf, "Board size %dx%d+%d not supported by %s",
8797 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
8798 DisplayFatalError(buf, 0, 1);
8801 /* [HGM] here we really should compare with the maximum supported board size */
8804 } else sprintf(b, "%s", VariantName(gameInfo.variant));
8805 sprintf(buf, "variant %s\n", b);
8806 SendToProgram(buf, cps);
8808 currentlyInitializedVariant = gameInfo.variant;
8810 /* [HGM] send opening position in FRC to first engine */
8812 SendToProgram("force\n", cps);
8814 /* engine is now in force mode! Set flag to wake it up after first move. */
8815 setboardSpoiledMachineBlack = 1;
8819 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
8820 SendToProgram(buf, cps);
8822 cps->maybeThinking = FALSE;
8823 cps->offeredDraw = 0;
8824 if (!appData.icsActive) {
8825 SendTimeControl(cps, movesPerSession, timeControl,
8826 timeIncrement, appData.searchDepth,
8829 if (appData.showThinking
8830 // [HGM] thinking: four options require thinking output to be sent
8831 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8833 SendToProgram("post\n", cps);
8835 SendToProgram("hard\n", cps);
8836 if (!appData.ponderNextMove) {
8837 /* Warning: "easy" is a toggle in GNU Chess, so don't send
8838 it without being sure what state we are in first. "hard"
8839 is not a toggle, so that one is OK.
8841 SendToProgram("easy\n", cps);
8844 sprintf(buf, "ping %d\n", ++cps->lastPing);
8845 SendToProgram(buf, cps);
8847 cps->initDone = TRUE;
8852 StartChessProgram(cps)
8853 ChessProgramState *cps;
8858 if (appData.noChessProgram) return;
8859 cps->initDone = FALSE;
8861 if (strcmp(cps->host, "localhost") == 0) {
8862 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
8863 } else if (*appData.remoteShell == NULLCHAR) {
8864 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
8866 if (*appData.remoteUser == NULLCHAR) {
8867 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
8870 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
8871 cps->host, appData.remoteUser, cps->program);
8873 err = StartChildProcess(buf, "", &cps->pr);
8877 sprintf(buf, _("Startup failure on '%s'"), cps->program);
8878 DisplayFatalError(buf, err, 1);
8884 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
8885 if (cps->protocolVersion > 1) {
8886 sprintf(buf, "xboard\nprotover %d\n", cps->protocolVersion);
8887 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
8888 cps->comboCnt = 0; // and values of combo boxes
8889 SendToProgram(buf, cps);
8891 SendToProgram("xboard\n", cps);
8897 TwoMachinesEventIfReady P((void))
8899 if (first.lastPing != first.lastPong) {
8900 DisplayMessage("", _("Waiting for first chess program"));
8901 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8904 if (second.lastPing != second.lastPong) {
8905 DisplayMessage("", _("Waiting for second chess program"));
8906 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8914 NextMatchGame P((void))
8916 int index; /* [HGM] autoinc: step load index during match */
8918 if (*appData.loadGameFile != NULLCHAR) {
8919 index = appData.loadGameIndex;
8920 if(index < 0) { // [HGM] autoinc
8921 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8922 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8924 LoadGameFromFile(appData.loadGameFile,
8926 appData.loadGameFile, FALSE);
8927 } else if (*appData.loadPositionFile != NULLCHAR) {
8928 index = appData.loadPositionIndex;
8929 if(index < 0) { // [HGM] autoinc
8930 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8931 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8933 LoadPositionFromFile(appData.loadPositionFile,
8935 appData.loadPositionFile);
8937 TwoMachinesEventIfReady();
8940 void UserAdjudicationEvent( int result )
8942 ChessMove gameResult = GameIsDrawn;
8945 gameResult = WhiteWins;
8947 else if( result < 0 ) {
8948 gameResult = BlackWins;
8951 if( gameMode == TwoMachinesPlay ) {
8952 GameEnds( gameResult, "User adjudication", GE_XBOARD );
8957 // [HGM] save: calculate checksum of game to make games easily identifiable
8958 int StringCheckSum(char *s)
8961 if(s==NULL) return 0;
8962 while(*s) i = i*259 + *s++;
8969 for(i=backwardMostMove; i<forwardMostMove; i++) {
8970 sum += pvInfoList[i].depth;
8971 sum += StringCheckSum(parseList[i]);
8972 sum += StringCheckSum(commentList[i]);
8975 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
8976 return sum + StringCheckSum(commentList[i]);
8977 } // end of save patch
8980 GameEnds(result, resultDetails, whosays)
8982 char *resultDetails;
8985 GameMode nextGameMode;
8987 char buf[MSG_SIZ], popupRequested = 0;
8989 if(endingGame) return; /* [HGM] crash: forbid recursion */
8991 if(twoBoards) { // [HGM] dual: switch back to one board
8992 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
8993 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
8995 if (appData.debugMode) {
8996 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
8997 result, resultDetails ? resultDetails : "(null)", whosays);
9000 fromX = fromY = -1; // [HGM] abort any move the user is entering.
9002 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
9003 /* If we are playing on ICS, the server decides when the
9004 game is over, but the engine can offer to draw, claim
9008 if (appData.zippyPlay && first.initDone) {
9009 if (result == GameIsDrawn) {
9010 /* In case draw still needs to be claimed */
9011 SendToICS(ics_prefix);
9012 SendToICS("draw\n");
9013 } else if (StrCaseStr(resultDetails, "resign")) {
9014 SendToICS(ics_prefix);
9015 SendToICS("resign\n");
9019 endingGame = 0; /* [HGM] crash */
9023 /* If we're loading the game from a file, stop */
9024 if (whosays == GE_FILE) {
9025 (void) StopLoadGameTimer();
9029 /* Cancel draw offers */
9030 first.offeredDraw = second.offeredDraw = 0;
9032 /* If this is an ICS game, only ICS can really say it's done;
9033 if not, anyone can. */
9034 isIcsGame = (gameMode == IcsPlayingWhite ||
9035 gameMode == IcsPlayingBlack ||
9036 gameMode == IcsObserving ||
9037 gameMode == IcsExamining);
9039 if (!isIcsGame || whosays == GE_ICS) {
9040 /* OK -- not an ICS game, or ICS said it was done */
9042 if (!isIcsGame && !appData.noChessProgram)
9043 SetUserThinkingEnables();
9045 /* [HGM] if a machine claims the game end we verify this claim */
9046 if(gameMode == TwoMachinesPlay && appData.testClaims) {
9047 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
9049 ChessMove trueResult = (ChessMove) -1;
9051 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
9052 first.twoMachinesColor[0] :
9053 second.twoMachinesColor[0] ;
9055 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
9056 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
9057 /* [HGM] verify: engine mate claims accepted if they were flagged */
9058 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
9060 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
9061 /* [HGM] verify: engine mate claims accepted if they were flagged */
9062 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
9064 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
9065 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
9068 // now verify win claims, but not in drop games, as we don't understand those yet
9069 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
9070 || gameInfo.variant == VariantGreat) &&
9071 (result == WhiteWins && claimer == 'w' ||
9072 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
9073 if (appData.debugMode) {
9074 fprintf(debugFP, "result=%d sp=%d move=%d\n",
9075 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
9077 if(result != trueResult) {
9078 sprintf(buf, "False win claim: '%s'", resultDetails);
9079 result = claimer == 'w' ? BlackWins : WhiteWins;
9080 resultDetails = buf;
9083 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
9084 && (forwardMostMove <= backwardMostMove ||
9085 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
9086 (claimer=='b')==(forwardMostMove&1))
9088 /* [HGM] verify: draws that were not flagged are false claims */
9089 sprintf(buf, "False draw claim: '%s'", resultDetails);
9090 result = claimer == 'w' ? BlackWins : WhiteWins;
9091 resultDetails = buf;
9093 /* (Claiming a loss is accepted no questions asked!) */
9095 /* [HGM] bare: don't allow bare King to win */
9096 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
9097 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
9098 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
9099 && result != GameIsDrawn)
9100 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
9101 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
9102 int p = (signed char)boards[forwardMostMove][i][j] - color;
9103 if(p >= 0 && p <= (int)WhiteKing) k++;
9105 if (appData.debugMode) {
9106 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
9107 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
9110 result = GameIsDrawn;
9111 sprintf(buf, "%s but bare king", resultDetails);
9112 resultDetails = buf;
9118 if(serverMoves != NULL && !loadFlag) { char c = '=';
9119 if(result==WhiteWins) c = '+';
9120 if(result==BlackWins) c = '-';
9121 if(resultDetails != NULL)
9122 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
9124 if (resultDetails != NULL) {
9125 gameInfo.result = result;
9126 gameInfo.resultDetails = StrSave(resultDetails);
9128 /* display last move only if game was not loaded from file */
9129 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
9130 DisplayMove(currentMove - 1);
9132 if (forwardMostMove != 0) {
9133 if (gameMode != PlayFromGameFile && gameMode != EditGame
9134 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
9136 if (*appData.saveGameFile != NULLCHAR) {
9137 SaveGameToFile(appData.saveGameFile, TRUE);
9138 } else if (appData.autoSaveGames) {
9141 if (*appData.savePositionFile != NULLCHAR) {
9142 SavePositionToFile(appData.savePositionFile);
9147 /* Tell program how game ended in case it is learning */
9148 /* [HGM] Moved this to after saving the PGN, just in case */
9149 /* engine died and we got here through time loss. In that */
9150 /* case we will get a fatal error writing the pipe, which */
9151 /* would otherwise lose us the PGN. */
9152 /* [HGM] crash: not needed anymore, but doesn't hurt; */
9153 /* output during GameEnds should never be fatal anymore */
9154 if (gameMode == MachinePlaysWhite ||
9155 gameMode == MachinePlaysBlack ||
9156 gameMode == TwoMachinesPlay ||
9157 gameMode == IcsPlayingWhite ||
9158 gameMode == IcsPlayingBlack ||
9159 gameMode == BeginningOfGame) {
9161 sprintf(buf, "result %s {%s}\n", PGNResult(result),
9163 if (first.pr != NoProc) {
9164 SendToProgram(buf, &first);
9166 if (second.pr != NoProc &&
9167 gameMode == TwoMachinesPlay) {
9168 SendToProgram(buf, &second);
9173 if (appData.icsActive) {
9174 if (appData.quietPlay &&
9175 (gameMode == IcsPlayingWhite ||
9176 gameMode == IcsPlayingBlack)) {
9177 SendToICS(ics_prefix);
9178 SendToICS("set shout 1\n");
9180 nextGameMode = IcsIdle;
9181 ics_user_moved = FALSE;
9182 /* clean up premove. It's ugly when the game has ended and the
9183 * premove highlights are still on the board.
9187 ClearPremoveHighlights();
9188 DrawPosition(FALSE, boards[currentMove]);
9190 if (whosays == GE_ICS) {
9193 if (gameMode == IcsPlayingWhite)
9195 else if(gameMode == IcsPlayingBlack)
9199 if (gameMode == IcsPlayingBlack)
9201 else if(gameMode == IcsPlayingWhite)
9208 PlayIcsUnfinishedSound();
9211 } else if (gameMode == EditGame ||
9212 gameMode == PlayFromGameFile ||
9213 gameMode == AnalyzeMode ||
9214 gameMode == AnalyzeFile) {
9215 nextGameMode = gameMode;
9217 nextGameMode = EndOfGame;
9222 nextGameMode = gameMode;
9225 if (appData.noChessProgram) {
9226 gameMode = nextGameMode;
9228 endingGame = 0; /* [HGM] crash */
9233 /* Put first chess program into idle state */
9234 if (first.pr != NoProc &&
9235 (gameMode == MachinePlaysWhite ||
9236 gameMode == MachinePlaysBlack ||
9237 gameMode == TwoMachinesPlay ||
9238 gameMode == IcsPlayingWhite ||
9239 gameMode == IcsPlayingBlack ||
9240 gameMode == BeginningOfGame)) {
9241 SendToProgram("force\n", &first);
9242 if (first.usePing) {
9244 sprintf(buf, "ping %d\n", ++first.lastPing);
9245 SendToProgram(buf, &first);
9248 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9249 /* Kill off first chess program */
9250 if (first.isr != NULL)
9251 RemoveInputSource(first.isr);
9254 if (first.pr != NoProc) {
9256 DoSleep( appData.delayBeforeQuit );
9257 SendToProgram("quit\n", &first);
9258 DoSleep( appData.delayAfterQuit );
9259 DestroyChildProcess(first.pr, first.useSigterm);
9264 /* Put second chess program into idle state */
9265 if (second.pr != NoProc &&
9266 gameMode == TwoMachinesPlay) {
9267 SendToProgram("force\n", &second);
9268 if (second.usePing) {
9270 sprintf(buf, "ping %d\n", ++second.lastPing);
9271 SendToProgram(buf, &second);
9274 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9275 /* Kill off second chess program */
9276 if (second.isr != NULL)
9277 RemoveInputSource(second.isr);
9280 if (second.pr != NoProc) {
9281 DoSleep( appData.delayBeforeQuit );
9282 SendToProgram("quit\n", &second);
9283 DoSleep( appData.delayAfterQuit );
9284 DestroyChildProcess(second.pr, second.useSigterm);
9289 if (matchMode && gameMode == TwoMachinesPlay) {
9292 if (first.twoMachinesColor[0] == 'w') {
9299 if (first.twoMachinesColor[0] == 'b') {
9308 if (matchGame < appData.matchGames) {
9310 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
9311 tmp = first.twoMachinesColor;
9312 first.twoMachinesColor = second.twoMachinesColor;
9313 second.twoMachinesColor = tmp;
9315 gameMode = nextGameMode;
9317 if(appData.matchPause>10000 || appData.matchPause<10)
9318 appData.matchPause = 10000; /* [HGM] make pause adjustable */
9319 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
9320 endingGame = 0; /* [HGM] crash */
9323 gameMode = nextGameMode;
9324 sprintf(buf, _("Match %s vs. %s: final score %d-%d-%d"),
9325 first.tidy, second.tidy,
9326 first.matchWins, second.matchWins,
9327 appData.matchGames - (first.matchWins + second.matchWins));
9328 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
9331 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
9332 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
9334 gameMode = nextGameMode;
9336 endingGame = 0; /* [HGM] crash */
9337 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
9338 if(matchMode == TRUE) DisplayFatalError(buf, 0, 0); else {
9339 matchMode = FALSE; appData.matchGames = matchGame = 0;
9345 /* Assumes program was just initialized (initString sent).
9346 Leaves program in force mode. */
9348 FeedMovesToProgram(cps, upto)
9349 ChessProgramState *cps;
9354 if (appData.debugMode)
9355 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
9356 startedFromSetupPosition ? "position and " : "",
9357 backwardMostMove, upto, cps->which);
9358 if(currentlyInitializedVariant != gameInfo.variant) { char buf[MSG_SIZ];
9359 // [HGM] variantswitch: make engine aware of new variant
9360 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
9361 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
9362 sprintf(buf, "variant %s\n", VariantName(gameInfo.variant));
9363 SendToProgram(buf, cps);
9364 currentlyInitializedVariant = gameInfo.variant;
9366 SendToProgram("force\n", cps);
9367 if (startedFromSetupPosition) {
9368 SendBoard(cps, backwardMostMove);
9369 if (appData.debugMode) {
9370 fprintf(debugFP, "feedMoves\n");
9373 for (i = backwardMostMove; i < upto; i++) {
9374 SendMoveToProgram(i, cps);
9380 ResurrectChessProgram()
9382 /* The chess program may have exited.
9383 If so, restart it and feed it all the moves made so far. */
9385 if (appData.noChessProgram || first.pr != NoProc) return;
9387 StartChessProgram(&first);
9388 InitChessProgram(&first, FALSE);
9389 FeedMovesToProgram(&first, currentMove);
9391 if (!first.sendTime) {
9392 /* can't tell gnuchess what its clock should read,
9393 so we bow to its notion. */
9395 timeRemaining[0][currentMove] = whiteTimeRemaining;
9396 timeRemaining[1][currentMove] = blackTimeRemaining;
9399 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
9400 appData.icsEngineAnalyze) && first.analysisSupport) {
9401 SendToProgram("analyze\n", &first);
9402 first.analyzing = TRUE;
9415 if (appData.debugMode) {
9416 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
9417 redraw, init, gameMode);
9419 CleanupTail(); // [HGM] vari: delete any stored variations
9420 pausing = pauseExamInvalid = FALSE;
9421 startedFromSetupPosition = blackPlaysFirst = FALSE;
9423 whiteFlag = blackFlag = FALSE;
9424 userOfferedDraw = FALSE;
9425 hintRequested = bookRequested = FALSE;
9426 first.maybeThinking = FALSE;
9427 second.maybeThinking = FALSE;
9428 first.bookSuspend = FALSE; // [HGM] book
9429 second.bookSuspend = FALSE;
9430 thinkOutput[0] = NULLCHAR;
9431 lastHint[0] = NULLCHAR;
9432 ClearGameInfo(&gameInfo);
9433 gameInfo.variant = StringToVariant(appData.variant);
9434 ics_user_moved = ics_clock_paused = FALSE;
9435 ics_getting_history = H_FALSE;
9437 white_holding[0] = black_holding[0] = NULLCHAR;
9438 ClearProgramStats();
9439 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
9443 flipView = appData.flipView;
9444 ClearPremoveHighlights();
9446 alarmSounded = FALSE;
9448 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
9449 if(appData.serverMovesName != NULL) {
9450 /* [HGM] prepare to make moves file for broadcasting */
9451 clock_t t = clock();
9452 if(serverMoves != NULL) fclose(serverMoves);
9453 serverMoves = fopen(appData.serverMovesName, "r");
9454 if(serverMoves != NULL) {
9455 fclose(serverMoves);
9456 /* delay 15 sec before overwriting, so all clients can see end */
9457 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
9459 serverMoves = fopen(appData.serverMovesName, "w");
9463 gameMode = BeginningOfGame;
9465 if(appData.icsActive) gameInfo.variant = VariantNormal;
9466 currentMove = forwardMostMove = backwardMostMove = 0;
9467 InitPosition(redraw);
9468 for (i = 0; i < MAX_MOVES; i++) {
9469 if (commentList[i] != NULL) {
9470 free(commentList[i]);
9471 commentList[i] = NULL;
9475 timeRemaining[0][0] = whiteTimeRemaining;
9476 timeRemaining[1][0] = blackTimeRemaining;
9477 if (first.pr == NULL) {
9478 StartChessProgram(&first);
9481 InitChessProgram(&first, startedFromSetupPosition);
9484 DisplayMessage("", "");
9485 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9486 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
9493 if (!AutoPlayOneMove())
9495 if (matchMode || appData.timeDelay == 0)
9497 if (appData.timeDelay < 0 || gameMode == AnalyzeFile)
9499 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
9508 int fromX, fromY, toX, toY;
9510 if (appData.debugMode) {
9511 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
9514 if (gameMode != PlayFromGameFile)
9517 if (currentMove >= forwardMostMove) {
9518 gameMode = EditGame;
9521 /* [AS] Clear current move marker at the end of a game */
9522 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
9527 toX = moveList[currentMove][2] - AAA;
9528 toY = moveList[currentMove][3] - ONE;
9530 if (moveList[currentMove][1] == '@') {
9531 if (appData.highlightLastMove) {
9532 SetHighlights(-1, -1, toX, toY);
9535 fromX = moveList[currentMove][0] - AAA;
9536 fromY = moveList[currentMove][1] - ONE;
9538 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
9540 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
9542 if (appData.highlightLastMove) {
9543 SetHighlights(fromX, fromY, toX, toY);
9546 DisplayMove(currentMove);
9547 SendMoveToProgram(currentMove++, &first);
9548 DisplayBothClocks();
9549 DrawPosition(FALSE, boards[currentMove]);
9550 // [HGM] PV info: always display, routine tests if empty
9551 DisplayComment(currentMove - 1, commentList[currentMove]);
9557 LoadGameOneMove(readAhead)
9558 ChessMove readAhead;
9560 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
9561 char promoChar = NULLCHAR;
9566 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
9567 gameMode != AnalyzeMode && gameMode != Training) {
9572 yyboardindex = forwardMostMove;
9573 if (readAhead != (ChessMove)0) {
9574 moveType = readAhead;
9576 if (gameFileFP == NULL)
9578 moveType = (ChessMove) yylex();
9584 if (appData.debugMode)
9585 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9588 /* append the comment but don't display it */
9589 AppendComment(currentMove, p, FALSE);
9592 case WhiteCapturesEnPassant:
9593 case BlackCapturesEnPassant:
9594 case WhitePromotionChancellor:
9595 case BlackPromotionChancellor:
9596 case WhitePromotionArchbishop:
9597 case BlackPromotionArchbishop:
9598 case WhitePromotionCentaur:
9599 case BlackPromotionCentaur:
9600 case WhitePromotionQueen:
9601 case BlackPromotionQueen:
9602 case WhitePromotionRook:
9603 case BlackPromotionRook:
9604 case WhitePromotionBishop:
9605 case BlackPromotionBishop:
9606 case WhitePromotionKnight:
9607 case BlackPromotionKnight:
9608 case WhitePromotionKing:
9609 case BlackPromotionKing:
9610 case WhiteNonPromotion:
9611 case BlackNonPromotion:
9613 case WhiteKingSideCastle:
9614 case WhiteQueenSideCastle:
9615 case BlackKingSideCastle:
9616 case BlackQueenSideCastle:
9617 case WhiteKingSideCastleWild:
9618 case WhiteQueenSideCastleWild:
9619 case BlackKingSideCastleWild:
9620 case BlackQueenSideCastleWild:
9622 case WhiteHSideCastleFR:
9623 case WhiteASideCastleFR:
9624 case BlackHSideCastleFR:
9625 case BlackASideCastleFR:
9627 if (appData.debugMode)
9628 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9629 fromX = currentMoveString[0] - AAA;
9630 fromY = currentMoveString[1] - ONE;
9631 toX = currentMoveString[2] - AAA;
9632 toY = currentMoveString[3] - ONE;
9633 promoChar = currentMoveString[4];
9638 if (appData.debugMode)
9639 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9640 fromX = moveType == WhiteDrop ?
9641 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9642 (int) CharToPiece(ToLower(currentMoveString[0]));
9644 toX = currentMoveString[2] - AAA;
9645 toY = currentMoveString[3] - ONE;
9651 case GameUnfinished:
9652 if (appData.debugMode)
9653 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
9654 p = strchr(yy_text, '{');
9655 if (p == NULL) p = strchr(yy_text, '(');
9658 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9660 q = strchr(p, *p == '{' ? '}' : ')');
9661 if (q != NULL) *q = NULLCHAR;
9664 GameEnds(moveType, p, GE_FILE);
9666 if (cmailMsgLoaded) {
9668 flipView = WhiteOnMove(currentMove);
9669 if (moveType == GameUnfinished) flipView = !flipView;
9670 if (appData.debugMode)
9671 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
9675 case (ChessMove) 0: /* end of file */
9676 if (appData.debugMode)
9677 fprintf(debugFP, "Parser hit end of file\n");
9678 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9684 if (WhiteOnMove(currentMove)) {
9685 GameEnds(BlackWins, "Black mates", GE_FILE);
9687 GameEnds(WhiteWins, "White mates", GE_FILE);
9691 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9698 if (lastLoadGameStart == GNUChessGame) {
9699 /* GNUChessGames have numbers, but they aren't move numbers */
9700 if (appData.debugMode)
9701 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9702 yy_text, (int) moveType);
9703 return LoadGameOneMove((ChessMove)0); /* tail recursion */
9705 /* else fall thru */
9710 /* Reached start of next game in file */
9711 if (appData.debugMode)
9712 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
9713 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9719 if (WhiteOnMove(currentMove)) {
9720 GameEnds(BlackWins, "Black mates", GE_FILE);
9722 GameEnds(WhiteWins, "White mates", GE_FILE);
9726 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9732 case PositionDiagram: /* should not happen; ignore */
9733 case ElapsedTime: /* ignore */
9734 case NAG: /* ignore */
9735 if (appData.debugMode)
9736 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9737 yy_text, (int) moveType);
9738 return LoadGameOneMove((ChessMove)0); /* tail recursion */
9741 if (appData.testLegality) {
9742 if (appData.debugMode)
9743 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
9744 sprintf(move, _("Illegal move: %d.%s%s"),
9745 (forwardMostMove / 2) + 1,
9746 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9747 DisplayError(move, 0);
9750 if (appData.debugMode)
9751 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
9752 yy_text, currentMoveString);
9753 fromX = currentMoveString[0] - AAA;
9754 fromY = currentMoveString[1] - ONE;
9755 toX = currentMoveString[2] - AAA;
9756 toY = currentMoveString[3] - ONE;
9757 promoChar = currentMoveString[4];
9762 if (appData.debugMode)
9763 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
9764 sprintf(move, _("Ambiguous move: %d.%s%s"),
9765 (forwardMostMove / 2) + 1,
9766 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9767 DisplayError(move, 0);
9772 case ImpossibleMove:
9773 if (appData.debugMode)
9774 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
9775 sprintf(move, _("Illegal move: %d.%s%s"),
9776 (forwardMostMove / 2) + 1,
9777 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9778 DisplayError(move, 0);
9784 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
9785 DrawPosition(FALSE, boards[currentMove]);
9786 DisplayBothClocks();
9787 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
9788 DisplayComment(currentMove - 1, commentList[currentMove]);
9790 (void) StopLoadGameTimer();
9792 cmailOldMove = forwardMostMove;
9795 /* currentMoveString is set as a side-effect of yylex */
9796 strcat(currentMoveString, "\n");
9797 strcpy(moveList[forwardMostMove], currentMoveString);
9799 thinkOutput[0] = NULLCHAR;
9800 MakeMove(fromX, fromY, toX, toY, promoChar);
9801 currentMove = forwardMostMove;
9806 /* Load the nth game from the given file */
9808 LoadGameFromFile(filename, n, title, useList)
9812 /*Boolean*/ int useList;
9817 if (strcmp(filename, "-") == 0) {
9821 f = fopen(filename, "rb");
9823 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9824 DisplayError(buf, errno);
9828 if (fseek(f, 0, 0) == -1) {
9829 /* f is not seekable; probably a pipe */
9832 if (useList && n == 0) {
9833 int error = GameListBuild(f);
9835 DisplayError(_("Cannot build game list"), error);
9836 } else if (!ListEmpty(&gameList) &&
9837 ((ListGame *) gameList.tailPred)->number > 1) {
9838 GameListPopUp(f, title);
9845 return LoadGame(f, n, title, FALSE);
9850 MakeRegisteredMove()
9852 int fromX, fromY, toX, toY;
9854 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9855 switch (cmailMoveType[lastLoadGameNumber - 1]) {
9858 if (appData.debugMode)
9859 fprintf(debugFP, "Restoring %s for game %d\n",
9860 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
9862 thinkOutput[0] = NULLCHAR;
9863 strcpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1]);
9864 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
9865 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
9866 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
9867 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
9868 promoChar = cmailMove[lastLoadGameNumber - 1][4];
9869 MakeMove(fromX, fromY, toX, toY, promoChar);
9870 ShowMove(fromX, fromY, toX, toY);
9872 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9879 if (WhiteOnMove(currentMove)) {
9880 GameEnds(BlackWins, "Black mates", GE_PLAYER);
9882 GameEnds(WhiteWins, "White mates", GE_PLAYER);
9887 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
9894 if (WhiteOnMove(currentMove)) {
9895 GameEnds(BlackWins, "White resigns", GE_PLAYER);
9897 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
9902 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
9913 /* Wrapper around LoadGame for use when a Cmail message is loaded */
9915 CmailLoadGame(f, gameNumber, title, useList)
9923 if (gameNumber > nCmailGames) {
9924 DisplayError(_("No more games in this message"), 0);
9927 if (f == lastLoadGameFP) {
9928 int offset = gameNumber - lastLoadGameNumber;
9930 cmailMsg[0] = NULLCHAR;
9931 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9932 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
9933 nCmailMovesRegistered--;
9935 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
9936 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
9937 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
9940 if (! RegisterMove()) return FALSE;
9944 retVal = LoadGame(f, gameNumber, title, useList);
9946 /* Make move registered during previous look at this game, if any */
9947 MakeRegisteredMove();
9949 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
9950 commentList[currentMove]
9951 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
9952 DisplayComment(currentMove - 1, commentList[currentMove]);
9958 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
9963 int gameNumber = lastLoadGameNumber + offset;
9964 if (lastLoadGameFP == NULL) {
9965 DisplayError(_("No game has been loaded yet"), 0);
9968 if (gameNumber <= 0) {
9969 DisplayError(_("Can't back up any further"), 0);
9972 if (cmailMsgLoaded) {
9973 return CmailLoadGame(lastLoadGameFP, gameNumber,
9974 lastLoadGameTitle, lastLoadGameUseList);
9976 return LoadGame(lastLoadGameFP, gameNumber,
9977 lastLoadGameTitle, lastLoadGameUseList);
9983 /* Load the nth game from open file f */
9985 LoadGame(f, gameNumber, title, useList)
9993 int gn = gameNumber;
9994 ListGame *lg = NULL;
9997 GameMode oldGameMode;
9998 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
10000 if (appData.debugMode)
10001 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
10003 if (gameMode == Training )
10004 SetTrainingModeOff();
10006 oldGameMode = gameMode;
10007 if (gameMode != BeginningOfGame) {
10008 Reset(FALSE, TRUE);
10012 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
10013 fclose(lastLoadGameFP);
10017 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
10020 fseek(f, lg->offset, 0);
10021 GameListHighlight(gameNumber);
10025 DisplayError(_("Game number out of range"), 0);
10030 if (fseek(f, 0, 0) == -1) {
10031 if (f == lastLoadGameFP ?
10032 gameNumber == lastLoadGameNumber + 1 :
10036 DisplayError(_("Can't seek on game file"), 0);
10041 lastLoadGameFP = f;
10042 lastLoadGameNumber = gameNumber;
10043 strcpy(lastLoadGameTitle, title);
10044 lastLoadGameUseList = useList;
10048 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
10049 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
10050 lg->gameInfo.black);
10052 } else if (*title != NULLCHAR) {
10053 if (gameNumber > 1) {
10054 sprintf(buf, "%s %d", title, gameNumber);
10057 DisplayTitle(title);
10061 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
10062 gameMode = PlayFromGameFile;
10066 currentMove = forwardMostMove = backwardMostMove = 0;
10067 CopyBoard(boards[0], initialPosition);
10071 * Skip the first gn-1 games in the file.
10072 * Also skip over anything that precedes an identifiable
10073 * start of game marker, to avoid being confused by
10074 * garbage at the start of the file. Currently
10075 * recognized start of game markers are the move number "1",
10076 * the pattern "gnuchess .* game", the pattern
10077 * "^[#;%] [^ ]* game file", and a PGN tag block.
10078 * A game that starts with one of the latter two patterns
10079 * will also have a move number 1, possibly
10080 * following a position diagram.
10081 * 5-4-02: Let's try being more lenient and allowing a game to
10082 * start with an unnumbered move. Does that break anything?
10084 cm = lastLoadGameStart = (ChessMove) 0;
10086 yyboardindex = forwardMostMove;
10087 cm = (ChessMove) yylex();
10089 case (ChessMove) 0:
10090 if (cmailMsgLoaded) {
10091 nCmailGames = CMAIL_MAX_GAMES - gn;
10094 DisplayError(_("Game not found in file"), 0);
10101 lastLoadGameStart = cm;
10104 case MoveNumberOne:
10105 switch (lastLoadGameStart) {
10110 case MoveNumberOne:
10111 case (ChessMove) 0:
10112 gn--; /* count this game */
10113 lastLoadGameStart = cm;
10122 switch (lastLoadGameStart) {
10125 case MoveNumberOne:
10126 case (ChessMove) 0:
10127 gn--; /* count this game */
10128 lastLoadGameStart = cm;
10131 lastLoadGameStart = cm; /* game counted already */
10139 yyboardindex = forwardMostMove;
10140 cm = (ChessMove) yylex();
10141 } while (cm == PGNTag || cm == Comment);
10148 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
10149 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
10150 != CMAIL_OLD_RESULT) {
10152 cmailResult[ CMAIL_MAX_GAMES
10153 - gn - 1] = CMAIL_OLD_RESULT;
10159 /* Only a NormalMove can be at the start of a game
10160 * without a position diagram. */
10161 if (lastLoadGameStart == (ChessMove) 0) {
10163 lastLoadGameStart = MoveNumberOne;
10172 if (appData.debugMode)
10173 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
10175 if (cm == XBoardGame) {
10176 /* Skip any header junk before position diagram and/or move 1 */
10178 yyboardindex = forwardMostMove;
10179 cm = (ChessMove) yylex();
10181 if (cm == (ChessMove) 0 ||
10182 cm == GNUChessGame || cm == XBoardGame) {
10183 /* Empty game; pretend end-of-file and handle later */
10184 cm = (ChessMove) 0;
10188 if (cm == MoveNumberOne || cm == PositionDiagram ||
10189 cm == PGNTag || cm == Comment)
10192 } else if (cm == GNUChessGame) {
10193 if (gameInfo.event != NULL) {
10194 free(gameInfo.event);
10196 gameInfo.event = StrSave(yy_text);
10199 startedFromSetupPosition = FALSE;
10200 while (cm == PGNTag) {
10201 if (appData.debugMode)
10202 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
10203 err = ParsePGNTag(yy_text, &gameInfo);
10204 if (!err) numPGNTags++;
10206 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
10207 if(gameInfo.variant != oldVariant) {
10208 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
10209 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
10210 InitPosition(TRUE);
10211 oldVariant = gameInfo.variant;
10212 if (appData.debugMode)
10213 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
10217 if (gameInfo.fen != NULL) {
10218 Board initial_position;
10219 startedFromSetupPosition = TRUE;
10220 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
10222 DisplayError(_("Bad FEN position in file"), 0);
10225 CopyBoard(boards[0], initial_position);
10226 if (blackPlaysFirst) {
10227 currentMove = forwardMostMove = backwardMostMove = 1;
10228 CopyBoard(boards[1], initial_position);
10229 strcpy(moveList[0], "");
10230 strcpy(parseList[0], "");
10231 timeRemaining[0][1] = whiteTimeRemaining;
10232 timeRemaining[1][1] = blackTimeRemaining;
10233 if (commentList[0] != NULL) {
10234 commentList[1] = commentList[0];
10235 commentList[0] = NULL;
10238 currentMove = forwardMostMove = backwardMostMove = 0;
10240 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
10242 initialRulePlies = FENrulePlies;
10243 for( i=0; i< nrCastlingRights; i++ )
10244 initialRights[i] = initial_position[CASTLING][i];
10246 yyboardindex = forwardMostMove;
10247 free(gameInfo.fen);
10248 gameInfo.fen = NULL;
10251 yyboardindex = forwardMostMove;
10252 cm = (ChessMove) yylex();
10254 /* Handle comments interspersed among the tags */
10255 while (cm == Comment) {
10257 if (appData.debugMode)
10258 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10260 AppendComment(currentMove, p, FALSE);
10261 yyboardindex = forwardMostMove;
10262 cm = (ChessMove) yylex();
10266 /* don't rely on existence of Event tag since if game was
10267 * pasted from clipboard the Event tag may not exist
10269 if (numPGNTags > 0){
10271 if (gameInfo.variant == VariantNormal) {
10272 VariantClass v = StringToVariant(gameInfo.event);
10273 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
10274 if(v < VariantShogi) gameInfo.variant = v;
10277 if( appData.autoDisplayTags ) {
10278 tags = PGNTags(&gameInfo);
10279 TagsPopUp(tags, CmailMsg());
10284 /* Make something up, but don't display it now */
10289 if (cm == PositionDiagram) {
10292 Board initial_position;
10294 if (appData.debugMode)
10295 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
10297 if (!startedFromSetupPosition) {
10299 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
10300 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
10310 initial_position[i][j++] = CharToPiece(*p);
10313 while (*p == ' ' || *p == '\t' ||
10314 *p == '\n' || *p == '\r') p++;
10316 if (strncmp(p, "black", strlen("black"))==0)
10317 blackPlaysFirst = TRUE;
10319 blackPlaysFirst = FALSE;
10320 startedFromSetupPosition = TRUE;
10322 CopyBoard(boards[0], initial_position);
10323 if (blackPlaysFirst) {
10324 currentMove = forwardMostMove = backwardMostMove = 1;
10325 CopyBoard(boards[1], initial_position);
10326 strcpy(moveList[0], "");
10327 strcpy(parseList[0], "");
10328 timeRemaining[0][1] = whiteTimeRemaining;
10329 timeRemaining[1][1] = blackTimeRemaining;
10330 if (commentList[0] != NULL) {
10331 commentList[1] = commentList[0];
10332 commentList[0] = NULL;
10335 currentMove = forwardMostMove = backwardMostMove = 0;
10338 yyboardindex = forwardMostMove;
10339 cm = (ChessMove) yylex();
10342 if (first.pr == NoProc) {
10343 StartChessProgram(&first);
10345 InitChessProgram(&first, FALSE);
10346 SendToProgram("force\n", &first);
10347 if (startedFromSetupPosition) {
10348 SendBoard(&first, forwardMostMove);
10349 if (appData.debugMode) {
10350 fprintf(debugFP, "Load Game\n");
10352 DisplayBothClocks();
10355 /* [HGM] server: flag to write setup moves in broadcast file as one */
10356 loadFlag = appData.suppressLoadMoves;
10358 while (cm == Comment) {
10360 if (appData.debugMode)
10361 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10363 AppendComment(currentMove, p, FALSE);
10364 yyboardindex = forwardMostMove;
10365 cm = (ChessMove) yylex();
10368 if ((cm == (ChessMove) 0 && lastLoadGameStart != (ChessMove) 0) ||
10369 cm == WhiteWins || cm == BlackWins ||
10370 cm == GameIsDrawn || cm == GameUnfinished) {
10371 DisplayMessage("", _("No moves in game"));
10372 if (cmailMsgLoaded) {
10373 if (appData.debugMode)
10374 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
10378 DrawPosition(FALSE, boards[currentMove]);
10379 DisplayBothClocks();
10380 gameMode = EditGame;
10387 // [HGM] PV info: routine tests if comment empty
10388 if (!matchMode && (pausing || appData.timeDelay != 0)) {
10389 DisplayComment(currentMove - 1, commentList[currentMove]);
10391 if (!matchMode && appData.timeDelay != 0)
10392 DrawPosition(FALSE, boards[currentMove]);
10394 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
10395 programStats.ok_to_send = 1;
10398 /* if the first token after the PGN tags is a move
10399 * and not move number 1, retrieve it from the parser
10401 if (cm != MoveNumberOne)
10402 LoadGameOneMove(cm);
10404 /* load the remaining moves from the file */
10405 while (LoadGameOneMove((ChessMove)0)) {
10406 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10407 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10410 /* rewind to the start of the game */
10411 currentMove = backwardMostMove;
10413 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10415 if (oldGameMode == AnalyzeFile ||
10416 oldGameMode == AnalyzeMode) {
10417 AnalyzeFileEvent();
10420 if (matchMode || appData.timeDelay == 0) {
10422 gameMode = EditGame;
10424 } else if (appData.timeDelay > 0) {
10425 AutoPlayGameLoop();
10428 if (appData.debugMode)
10429 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
10431 loadFlag = 0; /* [HGM] true game starts */
10435 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
10437 ReloadPosition(offset)
10440 int positionNumber = lastLoadPositionNumber + offset;
10441 if (lastLoadPositionFP == NULL) {
10442 DisplayError(_("No position has been loaded yet"), 0);
10445 if (positionNumber <= 0) {
10446 DisplayError(_("Can't back up any further"), 0);
10449 return LoadPosition(lastLoadPositionFP, positionNumber,
10450 lastLoadPositionTitle);
10453 /* Load the nth position from the given file */
10455 LoadPositionFromFile(filename, n, title)
10463 if (strcmp(filename, "-") == 0) {
10464 return LoadPosition(stdin, n, "stdin");
10466 f = fopen(filename, "rb");
10468 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10469 DisplayError(buf, errno);
10472 return LoadPosition(f, n, title);
10477 /* Load the nth position from the given open file, and close it */
10479 LoadPosition(f, positionNumber, title)
10481 int positionNumber;
10484 char *p, line[MSG_SIZ];
10485 Board initial_position;
10486 int i, j, fenMode, pn;
10488 if (gameMode == Training )
10489 SetTrainingModeOff();
10491 if (gameMode != BeginningOfGame) {
10492 Reset(FALSE, TRUE);
10494 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
10495 fclose(lastLoadPositionFP);
10497 if (positionNumber == 0) positionNumber = 1;
10498 lastLoadPositionFP = f;
10499 lastLoadPositionNumber = positionNumber;
10500 strcpy(lastLoadPositionTitle, title);
10501 if (first.pr == NoProc) {
10502 StartChessProgram(&first);
10503 InitChessProgram(&first, FALSE);
10505 pn = positionNumber;
10506 if (positionNumber < 0) {
10507 /* Negative position number means to seek to that byte offset */
10508 if (fseek(f, -positionNumber, 0) == -1) {
10509 DisplayError(_("Can't seek on position file"), 0);
10514 if (fseek(f, 0, 0) == -1) {
10515 if (f == lastLoadPositionFP ?
10516 positionNumber == lastLoadPositionNumber + 1 :
10517 positionNumber == 1) {
10520 DisplayError(_("Can't seek on position file"), 0);
10525 /* See if this file is FEN or old-style xboard */
10526 if (fgets(line, MSG_SIZ, f) == NULL) {
10527 DisplayError(_("Position not found in file"), 0);
10530 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
10531 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
10534 if (fenMode || line[0] == '#') pn--;
10536 /* skip positions before number pn */
10537 if (fgets(line, MSG_SIZ, f) == NULL) {
10539 DisplayError(_("Position not found in file"), 0);
10542 if (fenMode || line[0] == '#') pn--;
10547 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
10548 DisplayError(_("Bad FEN position in file"), 0);
10552 (void) fgets(line, MSG_SIZ, f);
10553 (void) fgets(line, MSG_SIZ, f);
10555 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
10556 (void) fgets(line, MSG_SIZ, f);
10557 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
10560 initial_position[i][j++] = CharToPiece(*p);
10564 blackPlaysFirst = FALSE;
10566 (void) fgets(line, MSG_SIZ, f);
10567 if (strncmp(line, "black", strlen("black"))==0)
10568 blackPlaysFirst = TRUE;
10571 startedFromSetupPosition = TRUE;
10573 SendToProgram("force\n", &first);
10574 CopyBoard(boards[0], initial_position);
10575 if (blackPlaysFirst) {
10576 currentMove = forwardMostMove = backwardMostMove = 1;
10577 strcpy(moveList[0], "");
10578 strcpy(parseList[0], "");
10579 CopyBoard(boards[1], initial_position);
10580 DisplayMessage("", _("Black to play"));
10582 currentMove = forwardMostMove = backwardMostMove = 0;
10583 DisplayMessage("", _("White to play"));
10585 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
10586 SendBoard(&first, forwardMostMove);
10587 if (appData.debugMode) {
10589 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
10590 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
10591 fprintf(debugFP, "Load Position\n");
10594 if (positionNumber > 1) {
10595 sprintf(line, "%s %d", title, positionNumber);
10596 DisplayTitle(line);
10598 DisplayTitle(title);
10600 gameMode = EditGame;
10603 timeRemaining[0][1] = whiteTimeRemaining;
10604 timeRemaining[1][1] = blackTimeRemaining;
10605 DrawPosition(FALSE, boards[currentMove]);
10612 CopyPlayerNameIntoFileName(dest, src)
10615 while (*src != NULLCHAR && *src != ',') {
10620 *(*dest)++ = *src++;
10625 char *DefaultFileName(ext)
10628 static char def[MSG_SIZ];
10631 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
10633 CopyPlayerNameIntoFileName(&p, gameInfo.white);
10635 CopyPlayerNameIntoFileName(&p, gameInfo.black);
10644 /* Save the current game to the given file */
10646 SaveGameToFile(filename, append)
10653 if (strcmp(filename, "-") == 0) {
10654 return SaveGame(stdout, 0, NULL);
10656 f = fopen(filename, append ? "a" : "w");
10658 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10659 DisplayError(buf, errno);
10662 return SaveGame(f, 0, NULL);
10671 static char buf[MSG_SIZ];
10674 p = strchr(str, ' ');
10675 if (p == NULL) return str;
10676 strncpy(buf, str, p - str);
10677 buf[p - str] = NULLCHAR;
10681 #define PGN_MAX_LINE 75
10683 #define PGN_SIDE_WHITE 0
10684 #define PGN_SIDE_BLACK 1
10687 static int FindFirstMoveOutOfBook( int side )
10691 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
10692 int index = backwardMostMove;
10693 int has_book_hit = 0;
10695 if( (index % 2) != side ) {
10699 while( index < forwardMostMove ) {
10700 /* Check to see if engine is in book */
10701 int depth = pvInfoList[index].depth;
10702 int score = pvInfoList[index].score;
10708 else if( score == 0 && depth == 63 ) {
10709 in_book = 1; /* Zappa */
10711 else if( score == 2 && depth == 99 ) {
10712 in_book = 1; /* Abrok */
10715 has_book_hit += in_book;
10731 void GetOutOfBookInfo( char * buf )
10735 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10737 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
10738 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
10742 if( oob[0] >= 0 || oob[1] >= 0 ) {
10743 for( i=0; i<2; i++ ) {
10747 if( i > 0 && oob[0] >= 0 ) {
10748 strcat( buf, " " );
10751 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
10752 sprintf( buf+strlen(buf), "%s%.2f",
10753 pvInfoList[idx].score >= 0 ? "+" : "",
10754 pvInfoList[idx].score / 100.0 );
10760 /* Save game in PGN style and close the file */
10765 int i, offset, linelen, newblock;
10769 int movelen, numlen, blank;
10770 char move_buffer[100]; /* [AS] Buffer for move+PV info */
10772 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10774 tm = time((time_t *) NULL);
10776 PrintPGNTags(f, &gameInfo);
10778 if (backwardMostMove > 0 || startedFromSetupPosition) {
10779 char *fen = PositionToFEN(backwardMostMove, NULL);
10780 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
10781 fprintf(f, "\n{--------------\n");
10782 PrintPosition(f, backwardMostMove);
10783 fprintf(f, "--------------}\n");
10787 /* [AS] Out of book annotation */
10788 if( appData.saveOutOfBookInfo ) {
10791 GetOutOfBookInfo( buf );
10793 if( buf[0] != '\0' ) {
10794 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
10801 i = backwardMostMove;
10805 while (i < forwardMostMove) {
10806 /* Print comments preceding this move */
10807 if (commentList[i] != NULL) {
10808 if (linelen > 0) fprintf(f, "\n");
10809 fprintf(f, "%s", commentList[i]);
10814 /* Format move number */
10815 if ((i % 2) == 0) {
10816 sprintf(numtext, "%d.", (i - offset)/2 + 1);
10819 sprintf(numtext, "%d...", (i - offset)/2 + 1);
10821 numtext[0] = NULLCHAR;
10824 numlen = strlen(numtext);
10827 /* Print move number */
10828 blank = linelen > 0 && numlen > 0;
10829 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
10838 fprintf(f, "%s", numtext);
10842 strcpy(move_buffer, SavePart(parseList[i])); // [HGM] pgn: print move via buffer, so it can be edited
10843 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
10846 blank = linelen > 0 && movelen > 0;
10847 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10856 fprintf(f, "%s", move_buffer);
10857 linelen += movelen;
10859 /* [AS] Add PV info if present */
10860 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
10861 /* [HGM] add time */
10862 char buf[MSG_SIZ]; int seconds;
10864 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
10866 if( seconds <= 0) buf[0] = 0; else
10867 if( seconds < 30 ) sprintf(buf, " %3.1f%c", seconds/10., 0); else {
10868 seconds = (seconds + 4)/10; // round to full seconds
10869 if( seconds < 60 ) sprintf(buf, " %d%c", seconds, 0); else
10870 sprintf(buf, " %d:%02d%c", seconds/60, seconds%60, 0);
10873 sprintf( move_buffer, "{%s%.2f/%d%s}",
10874 pvInfoList[i].score >= 0 ? "+" : "",
10875 pvInfoList[i].score / 100.0,
10876 pvInfoList[i].depth,
10879 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
10881 /* Print score/depth */
10882 blank = linelen > 0 && movelen > 0;
10883 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10892 fprintf(f, "%s", move_buffer);
10893 linelen += movelen;
10899 /* Start a new line */
10900 if (linelen > 0) fprintf(f, "\n");
10902 /* Print comments after last move */
10903 if (commentList[i] != NULL) {
10904 fprintf(f, "%s\n", commentList[i]);
10908 if (gameInfo.resultDetails != NULL &&
10909 gameInfo.resultDetails[0] != NULLCHAR) {
10910 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
10911 PGNResult(gameInfo.result));
10913 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10917 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10921 /* Save game in old style and close the file */
10923 SaveGameOldStyle(f)
10929 tm = time((time_t *) NULL);
10931 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
10934 if (backwardMostMove > 0 || startedFromSetupPosition) {
10935 fprintf(f, "\n[--------------\n");
10936 PrintPosition(f, backwardMostMove);
10937 fprintf(f, "--------------]\n");
10942 i = backwardMostMove;
10943 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10945 while (i < forwardMostMove) {
10946 if (commentList[i] != NULL) {
10947 fprintf(f, "[%s]\n", commentList[i]);
10950 if ((i % 2) == 1) {
10951 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
10954 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
10956 if (commentList[i] != NULL) {
10960 if (i >= forwardMostMove) {
10964 fprintf(f, "%s\n", parseList[i]);
10969 if (commentList[i] != NULL) {
10970 fprintf(f, "[%s]\n", commentList[i]);
10973 /* This isn't really the old style, but it's close enough */
10974 if (gameInfo.resultDetails != NULL &&
10975 gameInfo.resultDetails[0] != NULLCHAR) {
10976 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
10977 gameInfo.resultDetails);
10979 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10986 /* Save the current game to open file f and close the file */
10988 SaveGame(f, dummy, dummy2)
10993 if (gameMode == EditPosition) EditPositionDone(TRUE);
10994 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10995 if (appData.oldSaveStyle)
10996 return SaveGameOldStyle(f);
10998 return SaveGamePGN(f);
11001 /* Save the current position to the given file */
11003 SavePositionToFile(filename)
11009 if (strcmp(filename, "-") == 0) {
11010 return SavePosition(stdout, 0, NULL);
11012 f = fopen(filename, "a");
11014 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11015 DisplayError(buf, errno);
11018 SavePosition(f, 0, NULL);
11024 /* Save the current position to the given open file and close the file */
11026 SavePosition(f, dummy, dummy2)
11034 if (gameMode == EditPosition) EditPositionDone(TRUE);
11035 if (appData.oldSaveStyle) {
11036 tm = time((time_t *) NULL);
11038 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
11040 fprintf(f, "[--------------\n");
11041 PrintPosition(f, currentMove);
11042 fprintf(f, "--------------]\n");
11044 fen = PositionToFEN(currentMove, NULL);
11045 fprintf(f, "%s\n", fen);
11053 ReloadCmailMsgEvent(unregister)
11057 static char *inFilename = NULL;
11058 static char *outFilename;
11060 struct stat inbuf, outbuf;
11063 /* Any registered moves are unregistered if unregister is set, */
11064 /* i.e. invoked by the signal handler */
11066 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11067 cmailMoveRegistered[i] = FALSE;
11068 if (cmailCommentList[i] != NULL) {
11069 free(cmailCommentList[i]);
11070 cmailCommentList[i] = NULL;
11073 nCmailMovesRegistered = 0;
11076 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11077 cmailResult[i] = CMAIL_NOT_RESULT;
11081 if (inFilename == NULL) {
11082 /* Because the filenames are static they only get malloced once */
11083 /* and they never get freed */
11084 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
11085 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
11087 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
11088 sprintf(outFilename, "%s.out", appData.cmailGameName);
11091 status = stat(outFilename, &outbuf);
11093 cmailMailedMove = FALSE;
11095 status = stat(inFilename, &inbuf);
11096 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
11099 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
11100 counts the games, notes how each one terminated, etc.
11102 It would be nice to remove this kludge and instead gather all
11103 the information while building the game list. (And to keep it
11104 in the game list nodes instead of having a bunch of fixed-size
11105 parallel arrays.) Note this will require getting each game's
11106 termination from the PGN tags, as the game list builder does
11107 not process the game moves. --mann
11109 cmailMsgLoaded = TRUE;
11110 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
11112 /* Load first game in the file or popup game menu */
11113 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
11115 #endif /* !WIN32 */
11123 char string[MSG_SIZ];
11125 if ( cmailMailedMove
11126 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
11127 return TRUE; /* Allow free viewing */
11130 /* Unregister move to ensure that we don't leave RegisterMove */
11131 /* with the move registered when the conditions for registering no */
11133 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11134 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11135 nCmailMovesRegistered --;
11137 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
11139 free(cmailCommentList[lastLoadGameNumber - 1]);
11140 cmailCommentList[lastLoadGameNumber - 1] = NULL;
11144 if (cmailOldMove == -1) {
11145 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
11149 if (currentMove > cmailOldMove + 1) {
11150 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
11154 if (currentMove < cmailOldMove) {
11155 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
11159 if (forwardMostMove > currentMove) {
11160 /* Silently truncate extra moves */
11164 if ( (currentMove == cmailOldMove + 1)
11165 || ( (currentMove == cmailOldMove)
11166 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
11167 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
11168 if (gameInfo.result != GameUnfinished) {
11169 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
11172 if (commentList[currentMove] != NULL) {
11173 cmailCommentList[lastLoadGameNumber - 1]
11174 = StrSave(commentList[currentMove]);
11176 strcpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1]);
11178 if (appData.debugMode)
11179 fprintf(debugFP, "Saving %s for game %d\n",
11180 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11183 "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
11185 f = fopen(string, "w");
11186 if (appData.oldSaveStyle) {
11187 SaveGameOldStyle(f); /* also closes the file */
11189 sprintf(string, "%s.pos.out", appData.cmailGameName);
11190 f = fopen(string, "w");
11191 SavePosition(f, 0, NULL); /* also closes the file */
11193 fprintf(f, "{--------------\n");
11194 PrintPosition(f, currentMove);
11195 fprintf(f, "--------------}\n\n");
11197 SaveGame(f, 0, NULL); /* also closes the file*/
11200 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
11201 nCmailMovesRegistered ++;
11202 } else if (nCmailGames == 1) {
11203 DisplayError(_("You have not made a move yet"), 0);
11214 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
11215 FILE *commandOutput;
11216 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
11217 int nBytes = 0; /* Suppress warnings on uninitialized variables */
11223 if (! cmailMsgLoaded) {
11224 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
11228 if (nCmailGames == nCmailResults) {
11229 DisplayError(_("No unfinished games"), 0);
11233 #if CMAIL_PROHIBIT_REMAIL
11234 if (cmailMailedMove) {
11235 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);
11236 DisplayError(msg, 0);
11241 if (! (cmailMailedMove || RegisterMove())) return;
11243 if ( cmailMailedMove
11244 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
11245 sprintf(string, partCommandString,
11246 appData.debugMode ? " -v" : "", appData.cmailGameName);
11247 commandOutput = popen(string, "r");
11249 if (commandOutput == NULL) {
11250 DisplayError(_("Failed to invoke cmail"), 0);
11252 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
11253 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
11255 if (nBuffers > 1) {
11256 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
11257 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
11258 nBytes = MSG_SIZ - 1;
11260 (void) memcpy(msg, buffer, nBytes);
11262 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
11264 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
11265 cmailMailedMove = TRUE; /* Prevent >1 moves */
11268 for (i = 0; i < nCmailGames; i ++) {
11269 if (cmailResult[i] == CMAIL_NOT_RESULT) {
11274 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
11276 sprintf(buffer, "%s/%s.%s.archive",
11278 appData.cmailGameName,
11280 LoadGameFromFile(buffer, 1, buffer, FALSE);
11281 cmailMsgLoaded = FALSE;
11285 DisplayInformation(msg);
11286 pclose(commandOutput);
11289 if ((*cmailMsg) != '\0') {
11290 DisplayInformation(cmailMsg);
11295 #endif /* !WIN32 */
11304 int prependComma = 0;
11306 char string[MSG_SIZ]; /* Space for game-list */
11309 if (!cmailMsgLoaded) return "";
11311 if (cmailMailedMove) {
11312 sprintf(cmailMsg, _("Waiting for reply from opponent\n"));
11314 /* Create a list of games left */
11315 sprintf(string, "[");
11316 for (i = 0; i < nCmailGames; i ++) {
11317 if (! ( cmailMoveRegistered[i]
11318 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
11319 if (prependComma) {
11320 sprintf(number, ",%d", i + 1);
11322 sprintf(number, "%d", i + 1);
11326 strcat(string, number);
11329 strcat(string, "]");
11331 if (nCmailMovesRegistered + nCmailResults == 0) {
11332 switch (nCmailGames) {
11335 _("Still need to make move for game\n"));
11340 _("Still need to make moves for both games\n"));
11345 _("Still need to make moves for all %d games\n"),
11350 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
11353 _("Still need to make a move for game %s\n"),
11358 if (nCmailResults == nCmailGames) {
11359 sprintf(cmailMsg, _("No unfinished games\n"));
11361 sprintf(cmailMsg, _("Ready to send mail\n"));
11367 _("Still need to make moves for games %s\n"),
11379 if (gameMode == Training)
11380 SetTrainingModeOff();
11383 cmailMsgLoaded = FALSE;
11384 if (appData.icsActive) {
11385 SendToICS(ics_prefix);
11386 SendToICS("refresh\n");
11396 /* Give up on clean exit */
11400 /* Keep trying for clean exit */
11404 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
11406 if (telnetISR != NULL) {
11407 RemoveInputSource(telnetISR);
11409 if (icsPR != NoProc) {
11410 DestroyChildProcess(icsPR, TRUE);
11413 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
11414 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
11416 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
11417 /* make sure this other one finishes before killing it! */
11418 if(endingGame) { int count = 0;
11419 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
11420 while(endingGame && count++ < 10) DoSleep(1);
11421 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
11424 /* Kill off chess programs */
11425 if (first.pr != NoProc) {
11428 DoSleep( appData.delayBeforeQuit );
11429 SendToProgram("quit\n", &first);
11430 DoSleep( appData.delayAfterQuit );
11431 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
11433 if (second.pr != NoProc) {
11434 DoSleep( appData.delayBeforeQuit );
11435 SendToProgram("quit\n", &second);
11436 DoSleep( appData.delayAfterQuit );
11437 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
11439 if (first.isr != NULL) {
11440 RemoveInputSource(first.isr);
11442 if (second.isr != NULL) {
11443 RemoveInputSource(second.isr);
11446 ShutDownFrontEnd();
11453 if (appData.debugMode)
11454 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
11458 if (gameMode == MachinePlaysWhite ||
11459 gameMode == MachinePlaysBlack) {
11462 DisplayBothClocks();
11464 if (gameMode == PlayFromGameFile) {
11465 if (appData.timeDelay >= 0)
11466 AutoPlayGameLoop();
11467 } else if (gameMode == IcsExamining && pauseExamInvalid) {
11468 Reset(FALSE, TRUE);
11469 SendToICS(ics_prefix);
11470 SendToICS("refresh\n");
11471 } else if (currentMove < forwardMostMove) {
11472 ForwardInner(forwardMostMove);
11474 pauseExamInvalid = FALSE;
11476 switch (gameMode) {
11480 pauseExamForwardMostMove = forwardMostMove;
11481 pauseExamInvalid = FALSE;
11484 case IcsPlayingWhite:
11485 case IcsPlayingBlack:
11489 case PlayFromGameFile:
11490 (void) StopLoadGameTimer();
11494 case BeginningOfGame:
11495 if (appData.icsActive) return;
11496 /* else fall through */
11497 case MachinePlaysWhite:
11498 case MachinePlaysBlack:
11499 case TwoMachinesPlay:
11500 if (forwardMostMove == 0)
11501 return; /* don't pause if no one has moved */
11502 if ((gameMode == MachinePlaysWhite &&
11503 !WhiteOnMove(forwardMostMove)) ||
11504 (gameMode == MachinePlaysBlack &&
11505 WhiteOnMove(forwardMostMove))) {
11518 char title[MSG_SIZ];
11520 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
11521 strcpy(title, _("Edit comment"));
11523 sprintf(title, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
11524 WhiteOnMove(currentMove - 1) ? " " : ".. ",
11525 parseList[currentMove - 1]);
11528 EditCommentPopUp(currentMove, title, commentList[currentMove]);
11535 char *tags = PGNTags(&gameInfo);
11536 EditTagsPopUp(tags);
11543 if (appData.noChessProgram || gameMode == AnalyzeMode)
11546 if (gameMode != AnalyzeFile) {
11547 if (!appData.icsEngineAnalyze) {
11549 if (gameMode != EditGame) return;
11551 ResurrectChessProgram();
11552 SendToProgram("analyze\n", &first);
11553 first.analyzing = TRUE;
11554 /*first.maybeThinking = TRUE;*/
11555 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11556 EngineOutputPopUp();
11558 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
11563 StartAnalysisClock();
11564 GetTimeMark(&lastNodeCountTime);
11571 if (appData.noChessProgram || gameMode == AnalyzeFile)
11574 if (gameMode != AnalyzeMode) {
11576 if (gameMode != EditGame) return;
11577 ResurrectChessProgram();
11578 SendToProgram("analyze\n", &first);
11579 first.analyzing = TRUE;
11580 /*first.maybeThinking = TRUE;*/
11581 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11582 EngineOutputPopUp();
11584 gameMode = AnalyzeFile;
11589 StartAnalysisClock();
11590 GetTimeMark(&lastNodeCountTime);
11595 MachineWhiteEvent()
11598 char *bookHit = NULL;
11600 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
11604 if (gameMode == PlayFromGameFile ||
11605 gameMode == TwoMachinesPlay ||
11606 gameMode == Training ||
11607 gameMode == AnalyzeMode ||
11608 gameMode == EndOfGame)
11611 if (gameMode == EditPosition)
11612 EditPositionDone(TRUE);
11614 if (!WhiteOnMove(currentMove)) {
11615 DisplayError(_("It is not White's turn"), 0);
11619 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11622 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11623 gameMode == AnalyzeFile)
11626 ResurrectChessProgram(); /* in case it isn't running */
11627 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
11628 gameMode = MachinePlaysWhite;
11631 gameMode = MachinePlaysWhite;
11635 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11637 if (first.sendName) {
11638 sprintf(buf, "name %s\n", gameInfo.black);
11639 SendToProgram(buf, &first);
11641 if (first.sendTime) {
11642 if (first.useColors) {
11643 SendToProgram("black\n", &first); /*gnu kludge*/
11645 SendTimeRemaining(&first, TRUE);
11647 if (first.useColors) {
11648 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
11650 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11651 SetMachineThinkingEnables();
11652 first.maybeThinking = TRUE;
11656 if (appData.autoFlipView && !flipView) {
11657 flipView = !flipView;
11658 DrawPosition(FALSE, NULL);
11659 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11662 if(bookHit) { // [HGM] book: simulate book reply
11663 static char bookMove[MSG_SIZ]; // a bit generous?
11665 programStats.nodes = programStats.depth = programStats.time =
11666 programStats.score = programStats.got_only_move = 0;
11667 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11669 strcpy(bookMove, "move ");
11670 strcat(bookMove, bookHit);
11671 HandleMachineMove(bookMove, &first);
11676 MachineBlackEvent()
11679 char *bookHit = NULL;
11681 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
11685 if (gameMode == PlayFromGameFile ||
11686 gameMode == TwoMachinesPlay ||
11687 gameMode == Training ||
11688 gameMode == AnalyzeMode ||
11689 gameMode == EndOfGame)
11692 if (gameMode == EditPosition)
11693 EditPositionDone(TRUE);
11695 if (WhiteOnMove(currentMove)) {
11696 DisplayError(_("It is not Black's turn"), 0);
11700 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11703 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11704 gameMode == AnalyzeFile)
11707 ResurrectChessProgram(); /* in case it isn't running */
11708 gameMode = MachinePlaysBlack;
11712 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11714 if (first.sendName) {
11715 sprintf(buf, "name %s\n", gameInfo.white);
11716 SendToProgram(buf, &first);
11718 if (first.sendTime) {
11719 if (first.useColors) {
11720 SendToProgram("white\n", &first); /*gnu kludge*/
11722 SendTimeRemaining(&first, FALSE);
11724 if (first.useColors) {
11725 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
11727 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11728 SetMachineThinkingEnables();
11729 first.maybeThinking = TRUE;
11732 if (appData.autoFlipView && flipView) {
11733 flipView = !flipView;
11734 DrawPosition(FALSE, NULL);
11735 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11737 if(bookHit) { // [HGM] book: simulate book reply
11738 static char bookMove[MSG_SIZ]; // a bit generous?
11740 programStats.nodes = programStats.depth = programStats.time =
11741 programStats.score = programStats.got_only_move = 0;
11742 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11744 strcpy(bookMove, "move ");
11745 strcat(bookMove, bookHit);
11746 HandleMachineMove(bookMove, &first);
11752 DisplayTwoMachinesTitle()
11755 if (appData.matchGames > 0) {
11756 if (first.twoMachinesColor[0] == 'w') {
11757 sprintf(buf, "%s vs. %s (%d-%d-%d)",
11758 gameInfo.white, gameInfo.black,
11759 first.matchWins, second.matchWins,
11760 matchGame - 1 - (first.matchWins + second.matchWins));
11762 sprintf(buf, "%s vs. %s (%d-%d-%d)",
11763 gameInfo.white, gameInfo.black,
11764 second.matchWins, first.matchWins,
11765 matchGame - 1 - (first.matchWins + second.matchWins));
11768 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11774 TwoMachinesEvent P((void))
11778 ChessProgramState *onmove;
11779 char *bookHit = NULL;
11781 if (appData.noChessProgram) return;
11783 switch (gameMode) {
11784 case TwoMachinesPlay:
11786 case MachinePlaysWhite:
11787 case MachinePlaysBlack:
11788 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11789 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11793 case BeginningOfGame:
11794 case PlayFromGameFile:
11797 if (gameMode != EditGame) return;
11800 EditPositionDone(TRUE);
11811 // forwardMostMove = currentMove;
11812 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
11813 ResurrectChessProgram(); /* in case first program isn't running */
11815 if (second.pr == NULL) {
11816 StartChessProgram(&second);
11817 if (second.protocolVersion == 1) {
11818 TwoMachinesEventIfReady();
11820 /* kludge: allow timeout for initial "feature" command */
11822 DisplayMessage("", _("Starting second chess program"));
11823 ScheduleDelayedEvent(TwoMachinesEventIfReady, FEATURE_TIMEOUT);
11827 DisplayMessage("", "");
11828 InitChessProgram(&second, FALSE);
11829 SendToProgram("force\n", &second);
11830 if (startedFromSetupPosition) {
11831 SendBoard(&second, backwardMostMove);
11832 if (appData.debugMode) {
11833 fprintf(debugFP, "Two Machines\n");
11836 for (i = backwardMostMove; i < forwardMostMove; i++) {
11837 SendMoveToProgram(i, &second);
11840 gameMode = TwoMachinesPlay;
11844 DisplayTwoMachinesTitle();
11846 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
11852 SendToProgram(first.computerString, &first);
11853 if (first.sendName) {
11854 sprintf(buf, "name %s\n", second.tidy);
11855 SendToProgram(buf, &first);
11857 SendToProgram(second.computerString, &second);
11858 if (second.sendName) {
11859 sprintf(buf, "name %s\n", first.tidy);
11860 SendToProgram(buf, &second);
11864 if (!first.sendTime || !second.sendTime) {
11865 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11866 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11868 if (onmove->sendTime) {
11869 if (onmove->useColors) {
11870 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
11872 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
11874 if (onmove->useColors) {
11875 SendToProgram(onmove->twoMachinesColor, onmove);
11877 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
11878 // SendToProgram("go\n", onmove);
11879 onmove->maybeThinking = TRUE;
11880 SetMachineThinkingEnables();
11884 if(bookHit) { // [HGM] book: simulate book reply
11885 static char bookMove[MSG_SIZ]; // a bit generous?
11887 programStats.nodes = programStats.depth = programStats.time =
11888 programStats.score = programStats.got_only_move = 0;
11889 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11891 strcpy(bookMove, "move ");
11892 strcat(bookMove, bookHit);
11893 savedMessage = bookMove; // args for deferred call
11894 savedState = onmove;
11895 ScheduleDelayedEvent(DeferredBookMove, 1);
11902 if (gameMode == Training) {
11903 SetTrainingModeOff();
11904 gameMode = PlayFromGameFile;
11905 DisplayMessage("", _("Training mode off"));
11907 gameMode = Training;
11908 animateTraining = appData.animate;
11910 /* make sure we are not already at the end of the game */
11911 if (currentMove < forwardMostMove) {
11912 SetTrainingModeOn();
11913 DisplayMessage("", _("Training mode on"));
11915 gameMode = PlayFromGameFile;
11916 DisplayError(_("Already at end of game"), 0);
11925 if (!appData.icsActive) return;
11926 switch (gameMode) {
11927 case IcsPlayingWhite:
11928 case IcsPlayingBlack:
11931 case BeginningOfGame:
11939 EditPositionDone(TRUE);
11952 gameMode = IcsIdle;
11963 switch (gameMode) {
11965 SetTrainingModeOff();
11967 case MachinePlaysWhite:
11968 case MachinePlaysBlack:
11969 case BeginningOfGame:
11970 SendToProgram("force\n", &first);
11971 SetUserThinkingEnables();
11973 case PlayFromGameFile:
11974 (void) StopLoadGameTimer();
11975 if (gameFileFP != NULL) {
11980 EditPositionDone(TRUE);
11985 SendToProgram("force\n", &first);
11987 case TwoMachinesPlay:
11988 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
11989 ResurrectChessProgram();
11990 SetUserThinkingEnables();
11993 ResurrectChessProgram();
11995 case IcsPlayingBlack:
11996 case IcsPlayingWhite:
11997 DisplayError(_("Warning: You are still playing a game"), 0);
12000 DisplayError(_("Warning: You are still observing a game"), 0);
12003 DisplayError(_("Warning: You are still examining a game"), 0);
12014 first.offeredDraw = second.offeredDraw = 0;
12016 if (gameMode == PlayFromGameFile) {
12017 whiteTimeRemaining = timeRemaining[0][currentMove];
12018 blackTimeRemaining = timeRemaining[1][currentMove];
12022 if (gameMode == MachinePlaysWhite ||
12023 gameMode == MachinePlaysBlack ||
12024 gameMode == TwoMachinesPlay ||
12025 gameMode == EndOfGame) {
12026 i = forwardMostMove;
12027 while (i > currentMove) {
12028 SendToProgram("undo\n", &first);
12031 whiteTimeRemaining = timeRemaining[0][currentMove];
12032 blackTimeRemaining = timeRemaining[1][currentMove];
12033 DisplayBothClocks();
12034 if (whiteFlag || blackFlag) {
12035 whiteFlag = blackFlag = 0;
12040 gameMode = EditGame;
12047 EditPositionEvent()
12049 if (gameMode == EditPosition) {
12055 if (gameMode != EditGame) return;
12057 gameMode = EditPosition;
12060 if (currentMove > 0)
12061 CopyBoard(boards[0], boards[currentMove]);
12063 blackPlaysFirst = !WhiteOnMove(currentMove);
12065 currentMove = forwardMostMove = backwardMostMove = 0;
12066 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12073 /* [DM] icsEngineAnalyze - possible call from other functions */
12074 if (appData.icsEngineAnalyze) {
12075 appData.icsEngineAnalyze = FALSE;
12077 DisplayMessage("",_("Close ICS engine analyze..."));
12079 if (first.analysisSupport && first.analyzing) {
12080 SendToProgram("exit\n", &first);
12081 first.analyzing = FALSE;
12083 thinkOutput[0] = NULLCHAR;
12087 EditPositionDone(Boolean fakeRights)
12089 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
12091 startedFromSetupPosition = TRUE;
12092 InitChessProgram(&first, FALSE);
12093 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
12094 boards[0][EP_STATUS] = EP_NONE;
12095 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
12096 if(boards[0][0][BOARD_WIDTH>>1] == king) {
12097 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
12098 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
12099 } else boards[0][CASTLING][2] = NoRights;
12100 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
12101 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
12102 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
12103 } else boards[0][CASTLING][5] = NoRights;
12105 SendToProgram("force\n", &first);
12106 if (blackPlaysFirst) {
12107 strcpy(moveList[0], "");
12108 strcpy(parseList[0], "");
12109 currentMove = forwardMostMove = backwardMostMove = 1;
12110 CopyBoard(boards[1], boards[0]);
12112 currentMove = forwardMostMove = backwardMostMove = 0;
12114 SendBoard(&first, forwardMostMove);
12115 if (appData.debugMode) {
12116 fprintf(debugFP, "EditPosDone\n");
12119 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12120 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12121 gameMode = EditGame;
12123 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12124 ClearHighlights(); /* [AS] */
12127 /* Pause for `ms' milliseconds */
12128 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12138 } while (SubtractTimeMarks(&m2, &m1) < ms);
12141 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12143 SendMultiLineToICS(buf)
12146 char temp[MSG_SIZ+1], *p;
12153 strncpy(temp, buf, len);
12158 if (*p == '\n' || *p == '\r')
12163 strcat(temp, "\n");
12165 SendToPlayer(temp, strlen(temp));
12169 SetWhiteToPlayEvent()
12171 if (gameMode == EditPosition) {
12172 blackPlaysFirst = FALSE;
12173 DisplayBothClocks(); /* works because currentMove is 0 */
12174 } else if (gameMode == IcsExamining) {
12175 SendToICS(ics_prefix);
12176 SendToICS("tomove white\n");
12181 SetBlackToPlayEvent()
12183 if (gameMode == EditPosition) {
12184 blackPlaysFirst = TRUE;
12185 currentMove = 1; /* kludge */
12186 DisplayBothClocks();
12188 } else if (gameMode == IcsExamining) {
12189 SendToICS(ics_prefix);
12190 SendToICS("tomove black\n");
12195 EditPositionMenuEvent(selection, x, y)
12196 ChessSquare selection;
12200 ChessSquare piece = boards[0][y][x];
12202 if (gameMode != EditPosition && gameMode != IcsExamining) return;
12204 switch (selection) {
12206 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
12207 SendToICS(ics_prefix);
12208 SendToICS("bsetup clear\n");
12209 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
12210 SendToICS(ics_prefix);
12211 SendToICS("clearboard\n");
12213 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
12214 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
12215 for (y = 0; y < BOARD_HEIGHT; y++) {
12216 if (gameMode == IcsExamining) {
12217 if (boards[currentMove][y][x] != EmptySquare) {
12218 sprintf(buf, "%sx@%c%c\n", ics_prefix,
12223 boards[0][y][x] = p;
12228 if (gameMode == EditPosition) {
12229 DrawPosition(FALSE, boards[0]);
12234 SetWhiteToPlayEvent();
12238 SetBlackToPlayEvent();
12242 if (gameMode == IcsExamining) {
12243 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12244 sprintf(buf, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
12247 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12248 if(x == BOARD_LEFT-2) {
12249 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
12250 boards[0][y][1] = 0;
12252 if(x == BOARD_RGHT+1) {
12253 if(y >= gameInfo.holdingsSize) break;
12254 boards[0][y][BOARD_WIDTH-2] = 0;
12257 boards[0][y][x] = EmptySquare;
12258 DrawPosition(FALSE, boards[0]);
12263 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
12264 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
12265 selection = (ChessSquare) (PROMOTED piece);
12266 } else if(piece == EmptySquare) selection = WhiteSilver;
12267 else selection = (ChessSquare)((int)piece - 1);
12271 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
12272 piece > (int)BlackMan && piece <= (int)BlackKing ) {
12273 selection = (ChessSquare) (DEMOTED piece);
12274 } else if(piece == EmptySquare) selection = BlackSilver;
12275 else selection = (ChessSquare)((int)piece + 1);
12280 if(gameInfo.variant == VariantShatranj ||
12281 gameInfo.variant == VariantXiangqi ||
12282 gameInfo.variant == VariantCourier ||
12283 gameInfo.variant == VariantMakruk )
12284 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
12289 if(gameInfo.variant == VariantXiangqi)
12290 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
12291 if(gameInfo.variant == VariantKnightmate)
12292 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
12295 if (gameMode == IcsExamining) {
12296 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12297 sprintf(buf, "%s%c@%c%c\n", ics_prefix,
12298 PieceToChar(selection), AAA + x, ONE + y);
12301 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12303 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
12304 n = PieceToNumber(selection - BlackPawn);
12305 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
12306 boards[0][BOARD_HEIGHT-1-n][0] = selection;
12307 boards[0][BOARD_HEIGHT-1-n][1]++;
12309 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
12310 n = PieceToNumber(selection);
12311 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
12312 boards[0][n][BOARD_WIDTH-1] = selection;
12313 boards[0][n][BOARD_WIDTH-2]++;
12316 boards[0][y][x] = selection;
12317 DrawPosition(TRUE, boards[0]);
12325 DropMenuEvent(selection, x, y)
12326 ChessSquare selection;
12329 ChessMove moveType;
12331 switch (gameMode) {
12332 case IcsPlayingWhite:
12333 case MachinePlaysBlack:
12334 if (!WhiteOnMove(currentMove)) {
12335 DisplayMoveError(_("It is Black's turn"));
12338 moveType = WhiteDrop;
12340 case IcsPlayingBlack:
12341 case MachinePlaysWhite:
12342 if (WhiteOnMove(currentMove)) {
12343 DisplayMoveError(_("It is White's turn"));
12346 moveType = BlackDrop;
12349 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
12355 if (moveType == BlackDrop && selection < BlackPawn) {
12356 selection = (ChessSquare) ((int) selection
12357 + (int) BlackPawn - (int) WhitePawn);
12359 if (boards[currentMove][y][x] != EmptySquare) {
12360 DisplayMoveError(_("That square is occupied"));
12364 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
12370 /* Accept a pending offer of any kind from opponent */
12372 if (appData.icsActive) {
12373 SendToICS(ics_prefix);
12374 SendToICS("accept\n");
12375 } else if (cmailMsgLoaded) {
12376 if (currentMove == cmailOldMove &&
12377 commentList[cmailOldMove] != NULL &&
12378 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12379 "Black offers a draw" : "White offers a draw")) {
12381 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12382 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12384 DisplayError(_("There is no pending offer on this move"), 0);
12385 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12388 /* Not used for offers from chess program */
12395 /* Decline a pending offer of any kind from opponent */
12397 if (appData.icsActive) {
12398 SendToICS(ics_prefix);
12399 SendToICS("decline\n");
12400 } else if (cmailMsgLoaded) {
12401 if (currentMove == cmailOldMove &&
12402 commentList[cmailOldMove] != NULL &&
12403 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12404 "Black offers a draw" : "White offers a draw")) {
12406 AppendComment(cmailOldMove, "Draw declined", TRUE);
12407 DisplayComment(cmailOldMove - 1, "Draw declined");
12410 DisplayError(_("There is no pending offer on this move"), 0);
12413 /* Not used for offers from chess program */
12420 /* Issue ICS rematch command */
12421 if (appData.icsActive) {
12422 SendToICS(ics_prefix);
12423 SendToICS("rematch\n");
12430 /* Call your opponent's flag (claim a win on time) */
12431 if (appData.icsActive) {
12432 SendToICS(ics_prefix);
12433 SendToICS("flag\n");
12435 switch (gameMode) {
12438 case MachinePlaysWhite:
12441 GameEnds(GameIsDrawn, "Both players ran out of time",
12444 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
12446 DisplayError(_("Your opponent is not out of time"), 0);
12449 case MachinePlaysBlack:
12452 GameEnds(GameIsDrawn, "Both players ran out of time",
12455 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
12457 DisplayError(_("Your opponent is not out of time"), 0);
12467 /* Offer draw or accept pending draw offer from opponent */
12469 if (appData.icsActive) {
12470 /* Note: tournament rules require draw offers to be
12471 made after you make your move but before you punch
12472 your clock. Currently ICS doesn't let you do that;
12473 instead, you immediately punch your clock after making
12474 a move, but you can offer a draw at any time. */
12476 SendToICS(ics_prefix);
12477 SendToICS("draw\n");
12478 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
12479 } else if (cmailMsgLoaded) {
12480 if (currentMove == cmailOldMove &&
12481 commentList[cmailOldMove] != NULL &&
12482 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12483 "Black offers a draw" : "White offers a draw")) {
12484 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12485 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12486 } else if (currentMove == cmailOldMove + 1) {
12487 char *offer = WhiteOnMove(cmailOldMove) ?
12488 "White offers a draw" : "Black offers a draw";
12489 AppendComment(currentMove, offer, TRUE);
12490 DisplayComment(currentMove - 1, offer);
12491 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
12493 DisplayError(_("You must make your move before offering a draw"), 0);
12494 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12496 } else if (first.offeredDraw) {
12497 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
12499 if (first.sendDrawOffers) {
12500 SendToProgram("draw\n", &first);
12501 userOfferedDraw = TRUE;
12509 /* Offer Adjourn or accept pending Adjourn offer from opponent */
12511 if (appData.icsActive) {
12512 SendToICS(ics_prefix);
12513 SendToICS("adjourn\n");
12515 /* Currently GNU Chess doesn't offer or accept Adjourns */
12523 /* Offer Abort or accept pending Abort offer from opponent */
12525 if (appData.icsActive) {
12526 SendToICS(ics_prefix);
12527 SendToICS("abort\n");
12529 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
12536 /* Resign. You can do this even if it's not your turn. */
12538 if (appData.icsActive) {
12539 SendToICS(ics_prefix);
12540 SendToICS("resign\n");
12542 switch (gameMode) {
12543 case MachinePlaysWhite:
12544 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12546 case MachinePlaysBlack:
12547 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12550 if (cmailMsgLoaded) {
12552 if (WhiteOnMove(cmailOldMove)) {
12553 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12555 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12557 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
12568 StopObservingEvent()
12570 /* Stop observing current games */
12571 SendToICS(ics_prefix);
12572 SendToICS("unobserve\n");
12576 StopExaminingEvent()
12578 /* Stop observing current game */
12579 SendToICS(ics_prefix);
12580 SendToICS("unexamine\n");
12584 ForwardInner(target)
12589 if (appData.debugMode)
12590 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
12591 target, currentMove, forwardMostMove);
12593 if (gameMode == EditPosition)
12596 if (gameMode == PlayFromGameFile && !pausing)
12599 if (gameMode == IcsExamining && pausing)
12600 limit = pauseExamForwardMostMove;
12602 limit = forwardMostMove;
12604 if (target > limit) target = limit;
12606 if (target > 0 && moveList[target - 1][0]) {
12607 int fromX, fromY, toX, toY;
12608 toX = moveList[target - 1][2] - AAA;
12609 toY = moveList[target - 1][3] - ONE;
12610 if (moveList[target - 1][1] == '@') {
12611 if (appData.highlightLastMove) {
12612 SetHighlights(-1, -1, toX, toY);
12615 fromX = moveList[target - 1][0] - AAA;
12616 fromY = moveList[target - 1][1] - ONE;
12617 if (target == currentMove + 1) {
12618 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12620 if (appData.highlightLastMove) {
12621 SetHighlights(fromX, fromY, toX, toY);
12625 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12626 gameMode == Training || gameMode == PlayFromGameFile ||
12627 gameMode == AnalyzeFile) {
12628 while (currentMove < target) {
12629 SendMoveToProgram(currentMove++, &first);
12632 currentMove = target;
12635 if (gameMode == EditGame || gameMode == EndOfGame) {
12636 whiteTimeRemaining = timeRemaining[0][currentMove];
12637 blackTimeRemaining = timeRemaining[1][currentMove];
12639 DisplayBothClocks();
12640 DisplayMove(currentMove - 1);
12641 DrawPosition(FALSE, boards[currentMove]);
12642 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12643 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
12644 DisplayComment(currentMove - 1, commentList[currentMove]);
12652 if (gameMode == IcsExamining && !pausing) {
12653 SendToICS(ics_prefix);
12654 SendToICS("forward\n");
12656 ForwardInner(currentMove + 1);
12663 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12664 /* to optimze, we temporarily turn off analysis mode while we feed
12665 * the remaining moves to the engine. Otherwise we get analysis output
12668 if (first.analysisSupport) {
12669 SendToProgram("exit\nforce\n", &first);
12670 first.analyzing = FALSE;
12674 if (gameMode == IcsExamining && !pausing) {
12675 SendToICS(ics_prefix);
12676 SendToICS("forward 999999\n");
12678 ForwardInner(forwardMostMove);
12681 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12682 /* we have fed all the moves, so reactivate analysis mode */
12683 SendToProgram("analyze\n", &first);
12684 first.analyzing = TRUE;
12685 /*first.maybeThinking = TRUE;*/
12686 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12691 BackwardInner(target)
12694 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
12696 if (appData.debugMode)
12697 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
12698 target, currentMove, forwardMostMove);
12700 if (gameMode == EditPosition) return;
12701 if (currentMove <= backwardMostMove) {
12703 DrawPosition(full_redraw, boards[currentMove]);
12706 if (gameMode == PlayFromGameFile && !pausing)
12709 if (moveList[target][0]) {
12710 int fromX, fromY, toX, toY;
12711 toX = moveList[target][2] - AAA;
12712 toY = moveList[target][3] - ONE;
12713 if (moveList[target][1] == '@') {
12714 if (appData.highlightLastMove) {
12715 SetHighlights(-1, -1, toX, toY);
12718 fromX = moveList[target][0] - AAA;
12719 fromY = moveList[target][1] - ONE;
12720 if (target == currentMove - 1) {
12721 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
12723 if (appData.highlightLastMove) {
12724 SetHighlights(fromX, fromY, toX, toY);
12728 if (gameMode == EditGame || gameMode==AnalyzeMode ||
12729 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
12730 while (currentMove > target) {
12731 SendToProgram("undo\n", &first);
12735 currentMove = target;
12738 if (gameMode == EditGame || gameMode == EndOfGame) {
12739 whiteTimeRemaining = timeRemaining[0][currentMove];
12740 blackTimeRemaining = timeRemaining[1][currentMove];
12742 DisplayBothClocks();
12743 DisplayMove(currentMove - 1);
12744 DrawPosition(full_redraw, boards[currentMove]);
12745 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12746 // [HGM] PV info: routine tests if comment empty
12747 DisplayComment(currentMove - 1, commentList[currentMove]);
12753 if (gameMode == IcsExamining && !pausing) {
12754 SendToICS(ics_prefix);
12755 SendToICS("backward\n");
12757 BackwardInner(currentMove - 1);
12764 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12765 /* to optimize, we temporarily turn off analysis mode while we undo
12766 * all the moves. Otherwise we get analysis output after each undo.
12768 if (first.analysisSupport) {
12769 SendToProgram("exit\nforce\n", &first);
12770 first.analyzing = FALSE;
12774 if (gameMode == IcsExamining && !pausing) {
12775 SendToICS(ics_prefix);
12776 SendToICS("backward 999999\n");
12778 BackwardInner(backwardMostMove);
12781 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12782 /* we have fed all the moves, so reactivate analysis mode */
12783 SendToProgram("analyze\n", &first);
12784 first.analyzing = TRUE;
12785 /*first.maybeThinking = TRUE;*/
12786 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12793 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
12794 if (to >= forwardMostMove) to = forwardMostMove;
12795 if (to <= backwardMostMove) to = backwardMostMove;
12796 if (to < currentMove) {
12804 RevertEvent(Boolean annotate)
12806 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
12809 if (gameMode != IcsExamining) {
12810 DisplayError(_("You are not examining a game"), 0);
12814 DisplayError(_("You can't revert while pausing"), 0);
12817 SendToICS(ics_prefix);
12818 SendToICS("revert\n");
12824 switch (gameMode) {
12825 case MachinePlaysWhite:
12826 case MachinePlaysBlack:
12827 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12828 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12831 if (forwardMostMove < 2) return;
12832 currentMove = forwardMostMove = forwardMostMove - 2;
12833 whiteTimeRemaining = timeRemaining[0][currentMove];
12834 blackTimeRemaining = timeRemaining[1][currentMove];
12835 DisplayBothClocks();
12836 DisplayMove(currentMove - 1);
12837 ClearHighlights();/*!! could figure this out*/
12838 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
12839 SendToProgram("remove\n", &first);
12840 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
12843 case BeginningOfGame:
12847 case IcsPlayingWhite:
12848 case IcsPlayingBlack:
12849 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
12850 SendToICS(ics_prefix);
12851 SendToICS("takeback 2\n");
12853 SendToICS(ics_prefix);
12854 SendToICS("takeback 1\n");
12863 ChessProgramState *cps;
12865 switch (gameMode) {
12866 case MachinePlaysWhite:
12867 if (!WhiteOnMove(forwardMostMove)) {
12868 DisplayError(_("It is your turn"), 0);
12873 case MachinePlaysBlack:
12874 if (WhiteOnMove(forwardMostMove)) {
12875 DisplayError(_("It is your turn"), 0);
12880 case TwoMachinesPlay:
12881 if (WhiteOnMove(forwardMostMove) ==
12882 (first.twoMachinesColor[0] == 'w')) {
12888 case BeginningOfGame:
12892 SendToProgram("?\n", cps);
12896 TruncateGameEvent()
12899 if (gameMode != EditGame) return;
12906 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
12907 if (forwardMostMove > currentMove) {
12908 if (gameInfo.resultDetails != NULL) {
12909 free(gameInfo.resultDetails);
12910 gameInfo.resultDetails = NULL;
12911 gameInfo.result = GameUnfinished;
12913 forwardMostMove = currentMove;
12914 HistorySet(parseList, backwardMostMove, forwardMostMove,
12922 if (appData.noChessProgram) return;
12923 switch (gameMode) {
12924 case MachinePlaysWhite:
12925 if (WhiteOnMove(forwardMostMove)) {
12926 DisplayError(_("Wait until your turn"), 0);
12930 case BeginningOfGame:
12931 case MachinePlaysBlack:
12932 if (!WhiteOnMove(forwardMostMove)) {
12933 DisplayError(_("Wait until your turn"), 0);
12938 DisplayError(_("No hint available"), 0);
12941 SendToProgram("hint\n", &first);
12942 hintRequested = TRUE;
12948 if (appData.noChessProgram) return;
12949 switch (gameMode) {
12950 case MachinePlaysWhite:
12951 if (WhiteOnMove(forwardMostMove)) {
12952 DisplayError(_("Wait until your turn"), 0);
12956 case BeginningOfGame:
12957 case MachinePlaysBlack:
12958 if (!WhiteOnMove(forwardMostMove)) {
12959 DisplayError(_("Wait until your turn"), 0);
12964 EditPositionDone(TRUE);
12966 case TwoMachinesPlay:
12971 SendToProgram("bk\n", &first);
12972 bookOutput[0] = NULLCHAR;
12973 bookRequested = TRUE;
12979 char *tags = PGNTags(&gameInfo);
12980 TagsPopUp(tags, CmailMsg());
12984 /* end button procedures */
12987 PrintPosition(fp, move)
12993 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12994 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
12995 char c = PieceToChar(boards[move][i][j]);
12996 fputc(c == 'x' ? '.' : c, fp);
12997 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
13000 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
13001 fprintf(fp, "white to play\n");
13003 fprintf(fp, "black to play\n");
13010 if (gameInfo.white != NULL) {
13011 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
13017 /* Find last component of program's own name, using some heuristics */
13019 TidyProgramName(prog, host, buf)
13020 char *prog, *host, buf[MSG_SIZ];
13023 int local = (strcmp(host, "localhost") == 0);
13024 while (!local && (p = strchr(prog, ';')) != NULL) {
13026 while (*p == ' ') p++;
13029 if (*prog == '"' || *prog == '\'') {
13030 q = strchr(prog + 1, *prog);
13032 q = strchr(prog, ' ');
13034 if (q == NULL) q = prog + strlen(prog);
13036 while (p >= prog && *p != '/' && *p != '\\') p--;
13038 if(p == prog && *p == '"') p++;
13039 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
13040 memcpy(buf, p, q - p);
13041 buf[q - p] = NULLCHAR;
13049 TimeControlTagValue()
13052 if (!appData.clockMode) {
13054 } else if (movesPerSession > 0) {
13055 sprintf(buf, "%d/%ld", movesPerSession, timeControl/1000);
13056 } else if (timeIncrement == 0) {
13057 sprintf(buf, "%ld", timeControl/1000);
13059 sprintf(buf, "%ld+%ld", timeControl/1000, timeIncrement/1000);
13061 return StrSave(buf);
13067 /* This routine is used only for certain modes */
13068 VariantClass v = gameInfo.variant;
13069 ChessMove r = GameUnfinished;
13072 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
13073 r = gameInfo.result;
13074 p = gameInfo.resultDetails;
13075 gameInfo.resultDetails = NULL;
13077 ClearGameInfo(&gameInfo);
13078 gameInfo.variant = v;
13080 switch (gameMode) {
13081 case MachinePlaysWhite:
13082 gameInfo.event = StrSave( appData.pgnEventHeader );
13083 gameInfo.site = StrSave(HostName());
13084 gameInfo.date = PGNDate();
13085 gameInfo.round = StrSave("-");
13086 gameInfo.white = StrSave(first.tidy);
13087 gameInfo.black = StrSave(UserName());
13088 gameInfo.timeControl = TimeControlTagValue();
13091 case MachinePlaysBlack:
13092 gameInfo.event = StrSave( appData.pgnEventHeader );
13093 gameInfo.site = StrSave(HostName());
13094 gameInfo.date = PGNDate();
13095 gameInfo.round = StrSave("-");
13096 gameInfo.white = StrSave(UserName());
13097 gameInfo.black = StrSave(first.tidy);
13098 gameInfo.timeControl = TimeControlTagValue();
13101 case TwoMachinesPlay:
13102 gameInfo.event = StrSave( appData.pgnEventHeader );
13103 gameInfo.site = StrSave(HostName());
13104 gameInfo.date = PGNDate();
13105 if (matchGame > 0) {
13107 sprintf(buf, "%d", matchGame);
13108 gameInfo.round = StrSave(buf);
13110 gameInfo.round = StrSave("-");
13112 if (first.twoMachinesColor[0] == 'w') {
13113 gameInfo.white = StrSave(first.tidy);
13114 gameInfo.black = StrSave(second.tidy);
13116 gameInfo.white = StrSave(second.tidy);
13117 gameInfo.black = StrSave(first.tidy);
13119 gameInfo.timeControl = TimeControlTagValue();
13123 gameInfo.event = StrSave("Edited game");
13124 gameInfo.site = StrSave(HostName());
13125 gameInfo.date = PGNDate();
13126 gameInfo.round = StrSave("-");
13127 gameInfo.white = StrSave("-");
13128 gameInfo.black = StrSave("-");
13129 gameInfo.result = r;
13130 gameInfo.resultDetails = p;
13134 gameInfo.event = StrSave("Edited position");
13135 gameInfo.site = StrSave(HostName());
13136 gameInfo.date = PGNDate();
13137 gameInfo.round = StrSave("-");
13138 gameInfo.white = StrSave("-");
13139 gameInfo.black = StrSave("-");
13142 case IcsPlayingWhite:
13143 case IcsPlayingBlack:
13148 case PlayFromGameFile:
13149 gameInfo.event = StrSave("Game from non-PGN file");
13150 gameInfo.site = StrSave(HostName());
13151 gameInfo.date = PGNDate();
13152 gameInfo.round = StrSave("-");
13153 gameInfo.white = StrSave("?");
13154 gameInfo.black = StrSave("?");
13163 ReplaceComment(index, text)
13169 while (*text == '\n') text++;
13170 len = strlen(text);
13171 while (len > 0 && text[len - 1] == '\n') len--;
13173 if (commentList[index] != NULL)
13174 free(commentList[index]);
13177 commentList[index] = NULL;
13180 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
13181 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
13182 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
13183 commentList[index] = (char *) malloc(len + 2);
13184 strncpy(commentList[index], text, len);
13185 commentList[index][len] = '\n';
13186 commentList[index][len + 1] = NULLCHAR;
13188 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
13190 commentList[index] = (char *) malloc(len + 6);
13191 strcpy(commentList[index], "{\n");
13192 strncpy(commentList[index]+2, text, len);
13193 commentList[index][len+2] = NULLCHAR;
13194 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
13195 strcat(commentList[index], "\n}\n");
13209 if (ch == '\r') continue;
13211 } while (ch != '\0');
13215 AppendComment(index, text, addBraces)
13218 Boolean addBraces; // [HGM] braces: tells if we should add {}
13223 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
13224 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
13227 while (*text == '\n') text++;
13228 len = strlen(text);
13229 while (len > 0 && text[len - 1] == '\n') len--;
13231 if (len == 0) return;
13233 if (commentList[index] != NULL) {
13234 old = commentList[index];
13235 oldlen = strlen(old);
13236 while(commentList[index][oldlen-1] == '\n')
13237 commentList[index][--oldlen] = NULLCHAR;
13238 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
13239 strcpy(commentList[index], old);
13241 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
13242 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces)) {
13243 if(addBraces) addBraces = FALSE; else { text++; len--; }
13244 while (*text == '\n') { text++; len--; }
13245 commentList[index][--oldlen] = NULLCHAR;
13247 if(addBraces) strcat(commentList[index], "\n{\n");
13248 else strcat(commentList[index], "\n");
13249 strcat(commentList[index], text);
13250 if(addBraces) strcat(commentList[index], "\n}\n");
13251 else strcat(commentList[index], "\n");
13253 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
13255 strcpy(commentList[index], "{\n");
13256 else commentList[index][0] = NULLCHAR;
13257 strcat(commentList[index], text);
13258 strcat(commentList[index], "\n");
13259 if(addBraces) strcat(commentList[index], "}\n");
13263 static char * FindStr( char * text, char * sub_text )
13265 char * result = strstr( text, sub_text );
13267 if( result != NULL ) {
13268 result += strlen( sub_text );
13274 /* [AS] Try to extract PV info from PGN comment */
13275 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
13276 char *GetInfoFromComment( int index, char * text )
13280 if( text != NULL && index > 0 ) {
13283 int time = -1, sec = 0, deci;
13284 char * s_eval = FindStr( text, "[%eval " );
13285 char * s_emt = FindStr( text, "[%emt " );
13287 if( s_eval != NULL || s_emt != NULL ) {
13291 if( s_eval != NULL ) {
13292 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
13296 if( delim != ']' ) {
13301 if( s_emt != NULL ) {
13306 /* We expect something like: [+|-]nnn.nn/dd */
13309 if(*text != '{') return text; // [HGM] braces: must be normal comment
13311 sep = strchr( text, '/' );
13312 if( sep == NULL || sep < (text+4) ) {
13316 time = -1; sec = -1; deci = -1;
13317 if( sscanf( text+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
13318 sscanf( text+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
13319 sscanf( text+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
13320 sscanf( text+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
13324 if( score_lo < 0 || score_lo >= 100 ) {
13328 if(sec >= 0) time = 600*time + 10*sec; else
13329 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
13331 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
13333 /* [HGM] PV time: now locate end of PV info */
13334 while( *++sep >= '0' && *sep <= '9'); // strip depth
13336 while( *++sep >= '0' && *sep <= '9'); // strip time
13338 while( *++sep >= '0' && *sep <= '9'); // strip seconds
13340 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
13341 while(*sep == ' ') sep++;
13352 pvInfoList[index-1].depth = depth;
13353 pvInfoList[index-1].score = score;
13354 pvInfoList[index-1].time = 10*time; // centi-sec
13355 if(*sep == '}') *sep = 0; else *--sep = '{';
13361 SendToProgram(message, cps)
13363 ChessProgramState *cps;
13365 int count, outCount, error;
13368 if (cps->pr == NULL) return;
13371 if (appData.debugMode) {
13374 fprintf(debugFP, "%ld >%-6s: %s",
13375 SubtractTimeMarks(&now, &programStartTime),
13376 cps->which, message);
13379 count = strlen(message);
13380 outCount = OutputToProcess(cps->pr, message, count, &error);
13381 if (outCount < count && !exiting
13382 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
13383 sprintf(buf, _("Error writing to %s chess program"), cps->which);
13384 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13385 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13386 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13387 sprintf(buf, "%s program exits in draw position (%s)", cps->which, cps->program);
13389 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13391 gameInfo.resultDetails = StrSave(buf);
13393 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13398 ReceiveFromProgram(isr, closure, message, count, error)
13399 InputSourceRef isr;
13407 ChessProgramState *cps = (ChessProgramState *)closure;
13409 if (isr != cps->isr) return; /* Killed intentionally */
13413 _("Error: %s chess program (%s) exited unexpectedly"),
13414 cps->which, cps->program);
13415 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13416 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13417 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13418 sprintf(buf, _("%s program exits in draw position (%s)"), cps->which, cps->program);
13420 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13422 gameInfo.resultDetails = StrSave(buf);
13424 RemoveInputSource(cps->isr);
13425 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
13428 _("Error reading from %s chess program (%s)"),
13429 cps->which, cps->program);
13430 RemoveInputSource(cps->isr);
13432 /* [AS] Program is misbehaving badly... kill it */
13433 if( count == -2 ) {
13434 DestroyChildProcess( cps->pr, 9 );
13438 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13443 if ((end_str = strchr(message, '\r')) != NULL)
13444 *end_str = NULLCHAR;
13445 if ((end_str = strchr(message, '\n')) != NULL)
13446 *end_str = NULLCHAR;
13448 if (appData.debugMode) {
13449 TimeMark now; int print = 1;
13450 char *quote = ""; char c; int i;
13452 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
13453 char start = message[0];
13454 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
13455 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
13456 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
13457 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
13458 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
13459 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
13460 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
13461 sscanf(message, "pong %c", &c)!=1 && start != '#') {
13462 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
13463 print = (appData.engineComments >= 2);
13465 message[0] = start; // restore original message
13469 fprintf(debugFP, "%ld <%-6s: %s%s\n",
13470 SubtractTimeMarks(&now, &programStartTime), cps->which,
13476 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
13477 if (appData.icsEngineAnalyze) {
13478 if (strstr(message, "whisper") != NULL ||
13479 strstr(message, "kibitz") != NULL ||
13480 strstr(message, "tellics") != NULL) return;
13483 HandleMachineMove(message, cps);
13488 SendTimeControl(cps, mps, tc, inc, sd, st)
13489 ChessProgramState *cps;
13490 int mps, inc, sd, st;
13496 if( timeControl_2 > 0 ) {
13497 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
13498 tc = timeControl_2;
13501 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
13502 inc /= cps->timeOdds;
13503 st /= cps->timeOdds;
13505 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
13508 /* Set exact time per move, normally using st command */
13509 if (cps->stKludge) {
13510 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
13512 if (seconds == 0) {
13513 sprintf(buf, "level 1 %d\n", st/60);
13515 sprintf(buf, "level 1 %d:%02d\n", st/60, seconds);
13518 sprintf(buf, "st %d\n", st);
13521 /* Set conventional or incremental time control, using level command */
13522 if (seconds == 0) {
13523 /* Note old gnuchess bug -- minutes:seconds used to not work.
13524 Fixed in later versions, but still avoid :seconds
13525 when seconds is 0. */
13526 sprintf(buf, "level %d %ld %d\n", mps, tc/60000, inc/1000);
13528 sprintf(buf, "level %d %ld:%02d %d\n", mps, tc/60000,
13529 seconds, inc/1000);
13532 SendToProgram(buf, cps);
13534 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
13535 /* Orthogonally, limit search to given depth */
13537 if (cps->sdKludge) {
13538 sprintf(buf, "depth\n%d\n", sd);
13540 sprintf(buf, "sd %d\n", sd);
13542 SendToProgram(buf, cps);
13545 if(cps->nps > 0) { /* [HGM] nps */
13546 if(cps->supportsNPS == FALSE) cps->nps = -1; // don't use if engine explicitly says not supported!
13548 sprintf(buf, "nps %d\n", cps->nps);
13549 SendToProgram(buf, cps);
13554 ChessProgramState *WhitePlayer()
13555 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
13557 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
13558 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
13564 SendTimeRemaining(cps, machineWhite)
13565 ChessProgramState *cps;
13566 int /*boolean*/ machineWhite;
13568 char message[MSG_SIZ];
13571 /* Note: this routine must be called when the clocks are stopped
13572 or when they have *just* been set or switched; otherwise
13573 it will be off by the time since the current tick started.
13575 if (machineWhite) {
13576 time = whiteTimeRemaining / 10;
13577 otime = blackTimeRemaining / 10;
13579 time = blackTimeRemaining / 10;
13580 otime = whiteTimeRemaining / 10;
13582 /* [HGM] translate opponent's time by time-odds factor */
13583 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
13584 if (appData.debugMode) {
13585 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
13588 if (time <= 0) time = 1;
13589 if (otime <= 0) otime = 1;
13591 sprintf(message, "time %ld\n", time);
13592 SendToProgram(message, cps);
13594 sprintf(message, "otim %ld\n", otime);
13595 SendToProgram(message, cps);
13599 BoolFeature(p, name, loc, cps)
13603 ChessProgramState *cps;
13606 int len = strlen(name);
13608 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13610 sscanf(*p, "%d", &val);
13612 while (**p && **p != ' ') (*p)++;
13613 sprintf(buf, "accepted %s\n", name);
13614 SendToProgram(buf, cps);
13621 IntFeature(p, name, loc, cps)
13625 ChessProgramState *cps;
13628 int len = strlen(name);
13629 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13631 sscanf(*p, "%d", loc);
13632 while (**p && **p != ' ') (*p)++;
13633 sprintf(buf, "accepted %s\n", name);
13634 SendToProgram(buf, cps);
13641 StringFeature(p, name, loc, cps)
13645 ChessProgramState *cps;
13648 int len = strlen(name);
13649 if (strncmp((*p), name, len) == 0
13650 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
13652 sscanf(*p, "%[^\"]", loc);
13653 while (**p && **p != '\"') (*p)++;
13654 if (**p == '\"') (*p)++;
13655 sprintf(buf, "accepted %s\n", name);
13656 SendToProgram(buf, cps);
13663 ParseOption(Option *opt, ChessProgramState *cps)
13664 // [HGM] options: process the string that defines an engine option, and determine
13665 // name, type, default value, and allowed value range
13667 char *p, *q, buf[MSG_SIZ];
13668 int n, min = (-1)<<31, max = 1<<31, def;
13670 if(p = strstr(opt->name, " -spin ")) {
13671 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13672 if(max < min) max = min; // enforce consistency
13673 if(def < min) def = min;
13674 if(def > max) def = max;
13679 } else if((p = strstr(opt->name, " -slider "))) {
13680 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
13681 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13682 if(max < min) max = min; // enforce consistency
13683 if(def < min) def = min;
13684 if(def > max) def = max;
13688 opt->type = Spin; // Slider;
13689 } else if((p = strstr(opt->name, " -string "))) {
13690 opt->textValue = p+9;
13691 opt->type = TextBox;
13692 } else if((p = strstr(opt->name, " -file "))) {
13693 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13694 opt->textValue = p+7;
13695 opt->type = TextBox; // FileName;
13696 } else if((p = strstr(opt->name, " -path "))) {
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; // PathName;
13700 } else if(p = strstr(opt->name, " -check ")) {
13701 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
13702 opt->value = (def != 0);
13703 opt->type = CheckBox;
13704 } else if(p = strstr(opt->name, " -combo ")) {
13705 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
13706 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
13707 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
13708 opt->value = n = 0;
13709 while(q = StrStr(q, " /// ")) {
13710 n++; *q = 0; // count choices, and null-terminate each of them
13712 if(*q == '*') { // remember default, which is marked with * prefix
13716 cps->comboList[cps->comboCnt++] = q;
13718 cps->comboList[cps->comboCnt++] = NULL;
13720 opt->type = ComboBox;
13721 } else if(p = strstr(opt->name, " -button")) {
13722 opt->type = Button;
13723 } else if(p = strstr(opt->name, " -save")) {
13724 opt->type = SaveButton;
13725 } else return FALSE;
13726 *p = 0; // terminate option name
13727 // now look if the command-line options define a setting for this engine option.
13728 if(cps->optionSettings && cps->optionSettings[0])
13729 p = strstr(cps->optionSettings, opt->name); else p = NULL;
13730 if(p && (p == cps->optionSettings || p[-1] == ',')) {
13731 sprintf(buf, "option %s", p);
13732 if(p = strstr(buf, ",")) *p = 0;
13734 SendToProgram(buf, cps);
13740 FeatureDone(cps, val)
13741 ChessProgramState* cps;
13744 DelayedEventCallback cb = GetDelayedEvent();
13745 if ((cb == InitBackEnd3 && cps == &first) ||
13746 (cb == TwoMachinesEventIfReady && cps == &second)) {
13747 CancelDelayedEvent();
13748 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
13750 cps->initDone = val;
13753 /* Parse feature command from engine */
13755 ParseFeatures(args, cps)
13757 ChessProgramState *cps;
13765 while (*p == ' ') p++;
13766 if (*p == NULLCHAR) return;
13768 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
13769 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
13770 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
13771 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
13772 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
13773 if (BoolFeature(&p, "reuse", &val, cps)) {
13774 /* Engine can disable reuse, but can't enable it if user said no */
13775 if (!val) cps->reuse = FALSE;
13778 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
13779 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
13780 if (gameMode == TwoMachinesPlay) {
13781 DisplayTwoMachinesTitle();
13787 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
13788 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
13789 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
13790 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
13791 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
13792 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
13793 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
13794 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
13795 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
13796 if (IntFeature(&p, "done", &val, cps)) {
13797 FeatureDone(cps, val);
13800 /* Added by Tord: */
13801 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
13802 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
13803 /* End of additions by Tord */
13805 /* [HGM] added features: */
13806 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
13807 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
13808 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
13809 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
13810 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13811 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
13812 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
13813 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
13814 sprintf(buf, "rejected option %s\n", cps->option[--cps->nrOptions].name);
13815 SendToProgram(buf, cps);
13818 if(cps->nrOptions >= MAX_OPTIONS) {
13820 sprintf(buf, "%s engine has too many options\n", cps->which);
13821 DisplayError(buf, 0);
13825 /* End of additions by HGM */
13827 /* unknown feature: complain and skip */
13829 while (*q && *q != '=') q++;
13830 sprintf(buf, "rejected %.*s\n", (int)(q-p), p);
13831 SendToProgram(buf, cps);
13837 while (*p && *p != '\"') p++;
13838 if (*p == '\"') p++;
13840 while (*p && *p != ' ') p++;
13848 PeriodicUpdatesEvent(newState)
13851 if (newState == appData.periodicUpdates)
13854 appData.periodicUpdates=newState;
13856 /* Display type changes, so update it now */
13857 // DisplayAnalysis();
13859 /* Get the ball rolling again... */
13861 AnalysisPeriodicEvent(1);
13862 StartAnalysisClock();
13867 PonderNextMoveEvent(newState)
13870 if (newState == appData.ponderNextMove) return;
13871 if (gameMode == EditPosition) EditPositionDone(TRUE);
13873 SendToProgram("hard\n", &first);
13874 if (gameMode == TwoMachinesPlay) {
13875 SendToProgram("hard\n", &second);
13878 SendToProgram("easy\n", &first);
13879 thinkOutput[0] = NULLCHAR;
13880 if (gameMode == TwoMachinesPlay) {
13881 SendToProgram("easy\n", &second);
13884 appData.ponderNextMove = newState;
13888 NewSettingEvent(option, feature, command, value)
13890 int option, value, *feature;
13894 if (gameMode == EditPosition) EditPositionDone(TRUE);
13895 sprintf(buf, "%s%s %d\n", (option ? "option ": ""), command, value);
13896 if(feature == NULL || *feature) SendToProgram(buf, &first);
13897 if (gameMode == TwoMachinesPlay) {
13898 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
13903 ShowThinkingEvent()
13904 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
13906 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
13907 int newState = appData.showThinking
13908 // [HGM] thinking: other features now need thinking output as well
13909 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
13911 if (oldState == newState) return;
13912 oldState = newState;
13913 if (gameMode == EditPosition) EditPositionDone(TRUE);
13915 SendToProgram("post\n", &first);
13916 if (gameMode == TwoMachinesPlay) {
13917 SendToProgram("post\n", &second);
13920 SendToProgram("nopost\n", &first);
13921 thinkOutput[0] = NULLCHAR;
13922 if (gameMode == TwoMachinesPlay) {
13923 SendToProgram("nopost\n", &second);
13926 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
13930 AskQuestionEvent(title, question, replyPrefix, which)
13931 char *title; char *question; char *replyPrefix; char *which;
13933 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
13934 if (pr == NoProc) return;
13935 AskQuestion(title, question, replyPrefix, pr);
13939 DisplayMove(moveNumber)
13942 char message[MSG_SIZ];
13944 char cpThinkOutput[MSG_SIZ];
13946 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
13948 if (moveNumber == forwardMostMove - 1 ||
13949 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13951 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput));
13953 if (strchr(cpThinkOutput, '\n')) {
13954 *strchr(cpThinkOutput, '\n') = NULLCHAR;
13957 *cpThinkOutput = NULLCHAR;
13960 /* [AS] Hide thinking from human user */
13961 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
13962 *cpThinkOutput = NULLCHAR;
13963 if( thinkOutput[0] != NULLCHAR ) {
13966 for( i=0; i<=hiddenThinkOutputState; i++ ) {
13967 cpThinkOutput[i] = '.';
13969 cpThinkOutput[i] = NULLCHAR;
13970 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
13974 if (moveNumber == forwardMostMove - 1 &&
13975 gameInfo.resultDetails != NULL) {
13976 if (gameInfo.resultDetails[0] == NULLCHAR) {
13977 sprintf(res, " %s", PGNResult(gameInfo.result));
13979 sprintf(res, " {%s} %s",
13980 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
13986 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
13987 DisplayMessage(res, cpThinkOutput);
13989 sprintf(message, "%d.%s%s%s", moveNumber / 2 + 1,
13990 WhiteOnMove(moveNumber) ? " " : ".. ",
13991 parseList[moveNumber], res);
13992 DisplayMessage(message, cpThinkOutput);
13997 DisplayComment(moveNumber, text)
14001 char title[MSG_SIZ];
14002 char buf[8000]; // comment can be long!
14005 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14006 strcpy(title, "Comment");
14008 sprintf(title, "Comment on %d.%s%s", moveNumber / 2 + 1,
14009 WhiteOnMove(moveNumber) ? " " : ".. ",
14010 parseList[moveNumber]);
14012 // [HGM] PV info: display PV info together with (or as) comment
14013 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
14014 if(text == NULL) text = "";
14015 score = pvInfoList[moveNumber].score;
14016 sprintf(buf, "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
14017 depth, (pvInfoList[moveNumber].time+50)/100, text);
14020 if (text != NULL && (appData.autoDisplayComment || commentUp))
14021 CommentPopUp(title, text);
14024 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
14025 * might be busy thinking or pondering. It can be omitted if your
14026 * gnuchess is configured to stop thinking immediately on any user
14027 * input. However, that gnuchess feature depends on the FIONREAD
14028 * ioctl, which does not work properly on some flavors of Unix.
14032 ChessProgramState *cps;
14035 if (!cps->useSigint) return;
14036 if (appData.noChessProgram || (cps->pr == NoProc)) return;
14037 switch (gameMode) {
14038 case MachinePlaysWhite:
14039 case MachinePlaysBlack:
14040 case TwoMachinesPlay:
14041 case IcsPlayingWhite:
14042 case IcsPlayingBlack:
14045 /* Skip if we know it isn't thinking */
14046 if (!cps->maybeThinking) return;
14047 if (appData.debugMode)
14048 fprintf(debugFP, "Interrupting %s\n", cps->which);
14049 InterruptChildProcess(cps->pr);
14050 cps->maybeThinking = FALSE;
14055 #endif /*ATTENTION*/
14061 if (whiteTimeRemaining <= 0) {
14064 if (appData.icsActive) {
14065 if (appData.autoCallFlag &&
14066 gameMode == IcsPlayingBlack && !blackFlag) {
14067 SendToICS(ics_prefix);
14068 SendToICS("flag\n");
14072 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14074 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
14075 if (appData.autoCallFlag) {
14076 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
14083 if (blackTimeRemaining <= 0) {
14086 if (appData.icsActive) {
14087 if (appData.autoCallFlag &&
14088 gameMode == IcsPlayingWhite && !whiteFlag) {
14089 SendToICS(ics_prefix);
14090 SendToICS("flag\n");
14094 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14096 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
14097 if (appData.autoCallFlag) {
14098 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
14111 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
14112 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
14115 * add time to clocks when time control is achieved ([HGM] now also used for increment)
14117 if ( !WhiteOnMove(forwardMostMove) )
14118 /* White made time control */
14119 whiteTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
14120 /* [HGM] time odds: correct new time quota for time odds! */
14121 / WhitePlayer()->timeOdds;
14123 /* Black made time control */
14124 blackTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
14125 / WhitePlayer()->other->timeOdds;
14129 DisplayBothClocks()
14131 int wom = gameMode == EditPosition ?
14132 !blackPlaysFirst : WhiteOnMove(currentMove);
14133 DisplayWhiteClock(whiteTimeRemaining, wom);
14134 DisplayBlackClock(blackTimeRemaining, !wom);
14138 /* Timekeeping seems to be a portability nightmare. I think everyone
14139 has ftime(), but I'm really not sure, so I'm including some ifdefs
14140 to use other calls if you don't. Clocks will be less accurate if
14141 you have neither ftime nor gettimeofday.
14144 /* VS 2008 requires the #include outside of the function */
14145 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
14146 #include <sys/timeb.h>
14149 /* Get the current time as a TimeMark */
14154 #if HAVE_GETTIMEOFDAY
14156 struct timeval timeVal;
14157 struct timezone timeZone;
14159 gettimeofday(&timeVal, &timeZone);
14160 tm->sec = (long) timeVal.tv_sec;
14161 tm->ms = (int) (timeVal.tv_usec / 1000L);
14163 #else /*!HAVE_GETTIMEOFDAY*/
14166 // include <sys/timeb.h> / moved to just above start of function
14167 struct timeb timeB;
14170 tm->sec = (long) timeB.time;
14171 tm->ms = (int) timeB.millitm;
14173 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
14174 tm->sec = (long) time(NULL);
14180 /* Return the difference in milliseconds between two
14181 time marks. We assume the difference will fit in a long!
14184 SubtractTimeMarks(tm2, tm1)
14185 TimeMark *tm2, *tm1;
14187 return 1000L*(tm2->sec - tm1->sec) +
14188 (long) (tm2->ms - tm1->ms);
14193 * Code to manage the game clocks.
14195 * In tournament play, black starts the clock and then white makes a move.
14196 * We give the human user a slight advantage if he is playing white---the
14197 * clocks don't run until he makes his first move, so it takes zero time.
14198 * Also, we don't account for network lag, so we could get out of sync
14199 * with GNU Chess's clock -- but then, referees are always right.
14202 static TimeMark tickStartTM;
14203 static long intendedTickLength;
14206 NextTickLength(timeRemaining)
14207 long timeRemaining;
14209 long nominalTickLength, nextTickLength;
14211 if (timeRemaining > 0L && timeRemaining <= 10000L)
14212 nominalTickLength = 100L;
14214 nominalTickLength = 1000L;
14215 nextTickLength = timeRemaining % nominalTickLength;
14216 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
14218 return nextTickLength;
14221 /* Adjust clock one minute up or down */
14223 AdjustClock(Boolean which, int dir)
14225 if(which) blackTimeRemaining += 60000*dir;
14226 else whiteTimeRemaining += 60000*dir;
14227 DisplayBothClocks();
14230 /* Stop clocks and reset to a fresh time control */
14234 (void) StopClockTimer();
14235 if (appData.icsActive) {
14236 whiteTimeRemaining = blackTimeRemaining = 0;
14237 } else if (searchTime) {
14238 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14239 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14240 } else { /* [HGM] correct new time quote for time odds */
14241 whiteTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->timeOdds;
14242 blackTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->other->timeOdds;
14244 if (whiteFlag || blackFlag) {
14246 whiteFlag = blackFlag = FALSE;
14248 DisplayBothClocks();
14251 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
14253 /* Decrement running clock by amount of time that has passed */
14257 long timeRemaining;
14258 long lastTickLength, fudge;
14261 if (!appData.clockMode) return;
14262 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
14266 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14268 /* Fudge if we woke up a little too soon */
14269 fudge = intendedTickLength - lastTickLength;
14270 if (fudge < 0 || fudge > FUDGE) fudge = 0;
14272 if (WhiteOnMove(forwardMostMove)) {
14273 if(whiteNPS >= 0) lastTickLength = 0;
14274 timeRemaining = whiteTimeRemaining -= lastTickLength;
14275 DisplayWhiteClock(whiteTimeRemaining - fudge,
14276 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14278 if(blackNPS >= 0) lastTickLength = 0;
14279 timeRemaining = blackTimeRemaining -= lastTickLength;
14280 DisplayBlackClock(blackTimeRemaining - fudge,
14281 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14284 if (CheckFlags()) return;
14287 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
14288 StartClockTimer(intendedTickLength);
14290 /* if the time remaining has fallen below the alarm threshold, sound the
14291 * alarm. if the alarm has sounded and (due to a takeback or time control
14292 * with increment) the time remaining has increased to a level above the
14293 * threshold, reset the alarm so it can sound again.
14296 if (appData.icsActive && appData.icsAlarm) {
14298 /* make sure we are dealing with the user's clock */
14299 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
14300 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
14303 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
14304 alarmSounded = FALSE;
14305 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
14307 alarmSounded = TRUE;
14313 /* A player has just moved, so stop the previously running
14314 clock and (if in clock mode) start the other one.
14315 We redisplay both clocks in case we're in ICS mode, because
14316 ICS gives us an update to both clocks after every move.
14317 Note that this routine is called *after* forwardMostMove
14318 is updated, so the last fractional tick must be subtracted
14319 from the color that is *not* on move now.
14322 SwitchClocks(int newMoveNr)
14324 long lastTickLength;
14326 int flagged = FALSE;
14330 if (StopClockTimer() && appData.clockMode) {
14331 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14332 if (!WhiteOnMove(forwardMostMove)) {
14333 if(blackNPS >= 0) lastTickLength = 0;
14334 blackTimeRemaining -= lastTickLength;
14335 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14336 // if(pvInfoList[forwardMostMove-1].time == -1)
14337 pvInfoList[forwardMostMove-1].time = // use GUI time
14338 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
14340 if(whiteNPS >= 0) lastTickLength = 0;
14341 whiteTimeRemaining -= lastTickLength;
14342 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14343 // if(pvInfoList[forwardMostMove-1].time == -1)
14344 pvInfoList[forwardMostMove-1].time =
14345 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
14347 flagged = CheckFlags();
14349 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
14350 CheckTimeControl();
14352 if (flagged || !appData.clockMode) return;
14354 switch (gameMode) {
14355 case MachinePlaysBlack:
14356 case MachinePlaysWhite:
14357 case BeginningOfGame:
14358 if (pausing) return;
14362 case PlayFromGameFile:
14370 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
14371 if(WhiteOnMove(forwardMostMove))
14372 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14373 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14377 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14378 whiteTimeRemaining : blackTimeRemaining);
14379 StartClockTimer(intendedTickLength);
14383 /* Stop both clocks */
14387 long lastTickLength;
14390 if (!StopClockTimer()) return;
14391 if (!appData.clockMode) return;
14395 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14396 if (WhiteOnMove(forwardMostMove)) {
14397 if(whiteNPS >= 0) lastTickLength = 0;
14398 whiteTimeRemaining -= lastTickLength;
14399 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
14401 if(blackNPS >= 0) lastTickLength = 0;
14402 blackTimeRemaining -= lastTickLength;
14403 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
14408 /* Start clock of player on move. Time may have been reset, so
14409 if clock is already running, stop and restart it. */
14413 (void) StopClockTimer(); /* in case it was running already */
14414 DisplayBothClocks();
14415 if (CheckFlags()) return;
14417 if (!appData.clockMode) return;
14418 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
14420 GetTimeMark(&tickStartTM);
14421 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14422 whiteTimeRemaining : blackTimeRemaining);
14424 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
14425 whiteNPS = blackNPS = -1;
14426 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
14427 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
14428 whiteNPS = first.nps;
14429 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
14430 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
14431 blackNPS = first.nps;
14432 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
14433 whiteNPS = second.nps;
14434 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
14435 blackNPS = second.nps;
14436 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
14438 StartClockTimer(intendedTickLength);
14445 long second, minute, hour, day;
14447 static char buf[32];
14449 if (ms > 0 && ms <= 9900) {
14450 /* convert milliseconds to tenths, rounding up */
14451 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
14453 sprintf(buf, " %03.1f ", tenths/10.0);
14457 /* convert milliseconds to seconds, rounding up */
14458 /* use floating point to avoid strangeness of integer division
14459 with negative dividends on many machines */
14460 second = (long) floor(((double) (ms + 999L)) / 1000.0);
14467 day = second / (60 * 60 * 24);
14468 second = second % (60 * 60 * 24);
14469 hour = second / (60 * 60);
14470 second = second % (60 * 60);
14471 minute = second / 60;
14472 second = second % 60;
14475 sprintf(buf, " %s%ld:%02ld:%02ld:%02ld ",
14476 sign, day, hour, minute, second);
14478 sprintf(buf, " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
14480 sprintf(buf, " %s%2ld:%02ld ", sign, minute, second);
14487 * This is necessary because some C libraries aren't ANSI C compliant yet.
14490 StrStr(string, match)
14491 char *string, *match;
14495 length = strlen(match);
14497 for (i = strlen(string) - length; i >= 0; i--, string++)
14498 if (!strncmp(match, string, length))
14505 StrCaseStr(string, match)
14506 char *string, *match;
14510 length = strlen(match);
14512 for (i = strlen(string) - length; i >= 0; i--, string++) {
14513 for (j = 0; j < length; j++) {
14514 if (ToLower(match[j]) != ToLower(string[j]))
14517 if (j == length) return string;
14531 c1 = ToLower(*s1++);
14532 c2 = ToLower(*s2++);
14533 if (c1 > c2) return 1;
14534 if (c1 < c2) return -1;
14535 if (c1 == NULLCHAR) return 0;
14544 return isupper(c) ? tolower(c) : c;
14552 return islower(c) ? toupper(c) : c;
14554 #endif /* !_amigados */
14562 if ((ret = (char *) malloc(strlen(s) + 1))) {
14569 StrSavePtr(s, savePtr)
14570 char *s, **savePtr;
14575 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
14576 strcpy(*savePtr, s);
14588 clock = time((time_t *)NULL);
14589 tm = localtime(&clock);
14590 sprintf(buf, "%04d.%02d.%02d",
14591 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
14592 return StrSave(buf);
14597 PositionToFEN(move, overrideCastling)
14599 char *overrideCastling;
14601 int i, j, fromX, fromY, toX, toY;
14608 whiteToPlay = (gameMode == EditPosition) ?
14609 !blackPlaysFirst : (move % 2 == 0);
14612 /* Piece placement data */
14613 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14615 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14616 if (boards[move][i][j] == EmptySquare) {
14618 } else { ChessSquare piece = boards[move][i][j];
14619 if (emptycount > 0) {
14620 if(emptycount<10) /* [HGM] can be >= 10 */
14621 *p++ = '0' + emptycount;
14622 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14625 if(PieceToChar(piece) == '+') {
14626 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
14628 piece = (ChessSquare)(DEMOTED piece);
14630 *p++ = PieceToChar(piece);
14632 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
14633 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
14638 if (emptycount > 0) {
14639 if(emptycount<10) /* [HGM] can be >= 10 */
14640 *p++ = '0' + emptycount;
14641 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14648 /* [HGM] print Crazyhouse or Shogi holdings */
14649 if( gameInfo.holdingsWidth ) {
14650 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
14652 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
14653 piece = boards[move][i][BOARD_WIDTH-1];
14654 if( piece != EmptySquare )
14655 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
14656 *p++ = PieceToChar(piece);
14658 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
14659 piece = boards[move][BOARD_HEIGHT-i-1][0];
14660 if( piece != EmptySquare )
14661 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
14662 *p++ = PieceToChar(piece);
14665 if( q == p ) *p++ = '-';
14671 *p++ = whiteToPlay ? 'w' : 'b';
14674 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
14675 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
14677 if(nrCastlingRights) {
14679 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
14680 /* [HGM] write directly from rights */
14681 if(boards[move][CASTLING][2] != NoRights &&
14682 boards[move][CASTLING][0] != NoRights )
14683 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
14684 if(boards[move][CASTLING][2] != NoRights &&
14685 boards[move][CASTLING][1] != NoRights )
14686 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
14687 if(boards[move][CASTLING][5] != NoRights &&
14688 boards[move][CASTLING][3] != NoRights )
14689 *p++ = boards[move][CASTLING][3] + AAA;
14690 if(boards[move][CASTLING][5] != NoRights &&
14691 boards[move][CASTLING][4] != NoRights )
14692 *p++ = boards[move][CASTLING][4] + AAA;
14695 /* [HGM] write true castling rights */
14696 if( nrCastlingRights == 6 ) {
14697 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
14698 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
14699 if(boards[move][CASTLING][1] == BOARD_LEFT &&
14700 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
14701 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
14702 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
14703 if(boards[move][CASTLING][4] == BOARD_LEFT &&
14704 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
14707 if (q == p) *p++ = '-'; /* No castling rights */
14711 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14712 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14713 /* En passant target square */
14714 if (move > backwardMostMove) {
14715 fromX = moveList[move - 1][0] - AAA;
14716 fromY = moveList[move - 1][1] - ONE;
14717 toX = moveList[move - 1][2] - AAA;
14718 toY = moveList[move - 1][3] - ONE;
14719 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
14720 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
14721 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
14723 /* 2-square pawn move just happened */
14725 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14729 } else if(move == backwardMostMove) {
14730 // [HGM] perhaps we should always do it like this, and forget the above?
14731 if((signed char)boards[move][EP_STATUS] >= 0) {
14732 *p++ = boards[move][EP_STATUS] + AAA;
14733 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14744 /* [HGM] find reversible plies */
14745 { int i = 0, j=move;
14747 if (appData.debugMode) { int k;
14748 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
14749 for(k=backwardMostMove; k<=forwardMostMove; k++)
14750 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
14754 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
14755 if( j == backwardMostMove ) i += initialRulePlies;
14756 sprintf(p, "%d ", i);
14757 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
14759 /* Fullmove number */
14760 sprintf(p, "%d", (move / 2) + 1);
14762 return StrSave(buf);
14766 ParseFEN(board, blackPlaysFirst, fen)
14768 int *blackPlaysFirst;
14778 /* [HGM] by default clear Crazyhouse holdings, if present */
14779 if(gameInfo.holdingsWidth) {
14780 for(i=0; i<BOARD_HEIGHT; i++) {
14781 board[i][0] = EmptySquare; /* black holdings */
14782 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
14783 board[i][1] = (ChessSquare) 0; /* black counts */
14784 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
14788 /* Piece placement data */
14789 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14792 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
14793 if (*p == '/') p++;
14794 emptycount = gameInfo.boardWidth - j;
14795 while (emptycount--)
14796 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14798 #if(BOARD_FILES >= 10)
14799 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
14800 p++; emptycount=10;
14801 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14802 while (emptycount--)
14803 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14805 } else if (isdigit(*p)) {
14806 emptycount = *p++ - '0';
14807 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
14808 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14809 while (emptycount--)
14810 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14811 } else if (*p == '+' || isalpha(*p)) {
14812 if (j >= gameInfo.boardWidth) return FALSE;
14814 piece = CharToPiece(*++p);
14815 if(piece == EmptySquare) return FALSE; /* unknown piece */
14816 piece = (ChessSquare) (PROMOTED piece ); p++;
14817 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
14818 } else piece = CharToPiece(*p++);
14820 if(piece==EmptySquare) return FALSE; /* unknown piece */
14821 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
14822 piece = (ChessSquare) (PROMOTED piece);
14823 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
14826 board[i][(j++)+gameInfo.holdingsWidth] = piece;
14832 while (*p == '/' || *p == ' ') p++;
14834 /* [HGM] look for Crazyhouse holdings here */
14835 while(*p==' ') p++;
14836 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
14838 if(*p == '-' ) *p++; /* empty holdings */ else {
14839 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
14840 /* if we would allow FEN reading to set board size, we would */
14841 /* have to add holdings and shift the board read so far here */
14842 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
14844 if((int) piece >= (int) BlackPawn ) {
14845 i = (int)piece - (int)BlackPawn;
14846 i = PieceToNumber((ChessSquare)i);
14847 if( i >= gameInfo.holdingsSize ) return FALSE;
14848 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
14849 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
14851 i = (int)piece - (int)WhitePawn;
14852 i = PieceToNumber((ChessSquare)i);
14853 if( i >= gameInfo.holdingsSize ) return FALSE;
14854 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
14855 board[i][BOARD_WIDTH-2]++; /* black holdings */
14859 if(*p == ']') *p++;
14862 while(*p == ' ') p++;
14866 if(appData.colorNickNames) {
14867 if( c == appData.colorNickNames[0] ) c = 'w'; else
14868 if( c == appData.colorNickNames[1] ) c = 'b';
14872 *blackPlaysFirst = FALSE;
14875 *blackPlaysFirst = TRUE;
14881 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
14882 /* return the extra info in global variiables */
14884 /* set defaults in case FEN is incomplete */
14885 board[EP_STATUS] = EP_UNKNOWN;
14886 for(i=0; i<nrCastlingRights; i++ ) {
14887 board[CASTLING][i] =
14888 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
14889 } /* assume possible unless obviously impossible */
14890 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
14891 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
14892 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
14893 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
14894 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
14895 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
14896 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
14897 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
14900 while(*p==' ') p++;
14901 if(nrCastlingRights) {
14902 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
14903 /* castling indicator present, so default becomes no castlings */
14904 for(i=0; i<nrCastlingRights; i++ ) {
14905 board[CASTLING][i] = NoRights;
14908 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
14909 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
14910 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
14911 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
14912 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
14914 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
14915 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
14916 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
14918 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
14919 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
14920 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
14921 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
14922 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
14923 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
14926 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
14927 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
14928 board[CASTLING][2] = whiteKingFile;
14931 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
14932 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
14933 board[CASTLING][2] = whiteKingFile;
14936 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
14937 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
14938 board[CASTLING][5] = blackKingFile;
14941 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
14942 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
14943 board[CASTLING][5] = blackKingFile;
14946 default: /* FRC castlings */
14947 if(c >= 'a') { /* black rights */
14948 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
14949 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
14950 if(i == BOARD_RGHT) break;
14951 board[CASTLING][5] = i;
14953 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
14954 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
14956 board[CASTLING][3] = c;
14958 board[CASTLING][4] = c;
14959 } else { /* white rights */
14960 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
14961 if(board[0][i] == WhiteKing) break;
14962 if(i == BOARD_RGHT) break;
14963 board[CASTLING][2] = i;
14964 c -= AAA - 'a' + 'A';
14965 if(board[0][c] >= WhiteKing) break;
14967 board[CASTLING][0] = c;
14969 board[CASTLING][1] = c;
14973 for(i=0; i<nrCastlingRights; i++)
14974 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
14975 if (appData.debugMode) {
14976 fprintf(debugFP, "FEN castling rights:");
14977 for(i=0; i<nrCastlingRights; i++)
14978 fprintf(debugFP, " %d", board[CASTLING][i]);
14979 fprintf(debugFP, "\n");
14982 while(*p==' ') p++;
14985 /* read e.p. field in games that know e.p. capture */
14986 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14987 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14989 p++; board[EP_STATUS] = EP_NONE;
14991 char c = *p++ - AAA;
14993 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
14994 if(*p >= '0' && *p <='9') *p++;
14995 board[EP_STATUS] = c;
15000 if(sscanf(p, "%d", &i) == 1) {
15001 FENrulePlies = i; /* 50-move ply counter */
15002 /* (The move number is still ignored) */
15009 EditPositionPasteFEN(char *fen)
15012 Board initial_position;
15014 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
15015 DisplayError(_("Bad FEN position in clipboard"), 0);
15018 int savedBlackPlaysFirst = blackPlaysFirst;
15019 EditPositionEvent();
15020 blackPlaysFirst = savedBlackPlaysFirst;
15021 CopyBoard(boards[0], initial_position);
15022 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
15023 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
15024 DisplayBothClocks();
15025 DrawPosition(FALSE, boards[currentMove]);
15030 static char cseq[12] = "\\ ";
15032 Boolean set_cont_sequence(char *new_seq)
15037 // handle bad attempts to set the sequence
15039 return 0; // acceptable error - no debug
15041 len = strlen(new_seq);
15042 ret = (len > 0) && (len < sizeof(cseq));
15044 strcpy(cseq, new_seq);
15045 else if (appData.debugMode)
15046 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
15051 reformat a source message so words don't cross the width boundary. internal
15052 newlines are not removed. returns the wrapped size (no null character unless
15053 included in source message). If dest is NULL, only calculate the size required
15054 for the dest buffer. lp argument indicats line position upon entry, and it's
15055 passed back upon exit.
15057 int wrap(char *dest, char *src, int count, int width, int *lp)
15059 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
15061 cseq_len = strlen(cseq);
15062 old_line = line = *lp;
15063 ansi = len = clen = 0;
15065 for (i=0; i < count; i++)
15067 if (src[i] == '\033')
15070 // if we hit the width, back up
15071 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
15073 // store i & len in case the word is too long
15074 old_i = i, old_len = len;
15076 // find the end of the last word
15077 while (i && src[i] != ' ' && src[i] != '\n')
15083 // word too long? restore i & len before splitting it
15084 if ((old_i-i+clen) >= width)
15091 if (i && src[i-1] == ' ')
15094 if (src[i] != ' ' && src[i] != '\n')
15101 // now append the newline and continuation sequence
15106 strncpy(dest+len, cseq, cseq_len);
15114 dest[len] = src[i];
15118 if (src[i] == '\n')
15123 if (dest && appData.debugMode)
15125 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
15126 count, width, line, len, *lp);
15127 show_bytes(debugFP, src, count);
15128 fprintf(debugFP, "\ndest: ");
15129 show_bytes(debugFP, dest, len);
15130 fprintf(debugFP, "\n");
15132 *lp = dest ? line : old_line;
15137 // [HGM] vari: routines for shelving variations
15140 PushTail(int firstMove, int lastMove)
15142 int i, j, nrMoves = lastMove - firstMove;
15144 if(appData.icsActive) { // only in local mode
15145 forwardMostMove = currentMove; // mimic old ICS behavior
15148 if(storedGames >= MAX_VARIATIONS-1) return;
15150 // push current tail of game on stack
15151 savedResult[storedGames] = gameInfo.result;
15152 savedDetails[storedGames] = gameInfo.resultDetails;
15153 gameInfo.resultDetails = NULL;
15154 savedFirst[storedGames] = firstMove;
15155 savedLast [storedGames] = lastMove;
15156 savedFramePtr[storedGames] = framePtr;
15157 framePtr -= nrMoves; // reserve space for the boards
15158 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
15159 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
15160 for(j=0; j<MOVE_LEN; j++)
15161 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
15162 for(j=0; j<2*MOVE_LEN; j++)
15163 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
15164 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
15165 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
15166 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
15167 pvInfoList[firstMove+i-1].depth = 0;
15168 commentList[framePtr+i] = commentList[firstMove+i];
15169 commentList[firstMove+i] = NULL;
15173 forwardMostMove = firstMove; // truncate game so we can start variation
15174 if(storedGames == 1) GreyRevert(FALSE);
15178 PopTail(Boolean annotate)
15181 char buf[8000], moveBuf[20];
15183 if(appData.icsActive) return FALSE; // only in local mode
15184 if(!storedGames) return FALSE; // sanity
15185 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
15188 ToNrEvent(savedFirst[storedGames]); // sets currentMove
15189 nrMoves = savedLast[storedGames] - currentMove;
15192 if(!WhiteOnMove(currentMove)) sprintf(buf, "(%d...", currentMove+2>>1);
15193 else strcpy(buf, "(");
15194 for(i=currentMove; i<forwardMostMove; i++) {
15196 sprintf(moveBuf, " %d. %s", i+2>>1, SavePart(parseList[i]));
15197 else sprintf(moveBuf, " %s", SavePart(parseList[i]));
15198 strcat(buf, moveBuf);
15199 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
15200 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
15204 for(i=1; i<=nrMoves; i++) { // copy last variation back
15205 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
15206 for(j=0; j<MOVE_LEN; j++)
15207 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
15208 for(j=0; j<2*MOVE_LEN; j++)
15209 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
15210 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
15211 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
15212 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
15213 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
15214 commentList[currentMove+i] = commentList[framePtr+i];
15215 commentList[framePtr+i] = NULL;
15217 if(annotate) AppendComment(currentMove+1, buf, FALSE);
15218 framePtr = savedFramePtr[storedGames];
15219 gameInfo.result = savedResult[storedGames];
15220 if(gameInfo.resultDetails != NULL) {
15221 free(gameInfo.resultDetails);
15223 gameInfo.resultDetails = savedDetails[storedGames];
15224 forwardMostMove = currentMove + nrMoves;
15225 if(storedGames == 0) GreyRevert(TRUE);
15231 { // remove all shelved variations
15233 for(i=0; i<storedGames; i++) {
15234 if(savedDetails[i])
15235 free(savedDetails[i]);
15236 savedDetails[i] = NULL;
15238 for(i=framePtr; i<MAX_MOVES; i++) {
15239 if(commentList[i]) free(commentList[i]);
15240 commentList[i] = NULL;
15242 framePtr = MAX_MOVES-1;
15247 LoadVariation(int index, char *text)
15248 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
15249 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
15250 int level = 0, move;
15252 if(gameMode != EditGame && gameMode != AnalyzeMode) return;
15253 // first find outermost bracketing variation
15254 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
15255 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
15256 if(*p == '{') wait = '}'; else
15257 if(*p == '[') wait = ']'; else
15258 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
15259 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
15261 if(*p == wait) wait = NULLCHAR; // closing ]} found
15264 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
15265 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
15266 end[1] = NULLCHAR; // clip off comment beyond variation
15267 ToNrEvent(currentMove-1);
15268 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
15269 // kludge: use ParsePV() to append variation to game
15270 move = currentMove;
15271 ParsePV(start, TRUE);
15272 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
15273 ClearPremoveHighlights();
15275 ToNrEvent(currentMove+1);