2 * backend.c -- Common back end for X and Windows NT versions of
4 * Copyright 1991 by Digital Equipment Corporation, Maynard,
7 * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
8 * 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
10 * Enhancements Copyright 2005 Alessandro Scotti
12 * The following terms apply to Digital Equipment Corporation's copyright
14 * ------------------------------------------------------------------------
17 * Permission to use, copy, modify, and distribute this software and its
18 * documentation for any purpose and without fee is hereby granted,
19 * provided that the above copyright notice appear in all copies and that
20 * both that copyright notice and this permission notice appear in
21 * supporting documentation, and that the name of Digital not be
22 * used in advertising or publicity pertaining to distribution of the
23 * software without specific, written prior permission.
25 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
26 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
27 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
28 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
29 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
30 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
32 * ------------------------------------------------------------------------
34 * The following terms apply to the enhanced version of XBoard
35 * distributed by the Free Software Foundation:
36 * ------------------------------------------------------------------------
38 * GNU XBoard is free software: you can redistribute it and/or modify
39 * it under the terms of the GNU General Public License as published by
40 * the Free Software Foundation, either version 3 of the License, or (at
41 * your option) any later version.
43 * GNU XBoard is distributed in the hope that it will be useful, but
44 * WITHOUT ANY WARRANTY; without even the implied warranty of
45 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
46 * General Public License for more details.
48 * You should have received a copy of the GNU General Public License
49 * along with this program. If not, see http://www.gnu.org/licenses/. *
51 *------------------------------------------------------------------------
52 ** See the file ChangeLog for a revision history. */
54 /* [AS] Also useful here for debugging */
58 #define DoSleep( n ) if( (n) != 0 ) Sleep( (n) );
62 #define DoSleep( n ) if( (n) >= 0) sleep(n)
72 #include <sys/types.h>
81 #else /* not STDC_HEADERS */
84 # else /* not HAVE_STRING_H */
86 # endif /* not HAVE_STRING_H */
87 #endif /* not STDC_HEADERS */
90 # include <sys/fcntl.h>
91 #else /* not HAVE_SYS_FCNTL_H */
94 # endif /* HAVE_FCNTL_H */
95 #endif /* not HAVE_SYS_FCNTL_H */
97 #if TIME_WITH_SYS_TIME
98 # include <sys/time.h>
102 # include <sys/time.h>
108 #if defined(_amigados) && !defined(__GNUC__)
113 extern int gettimeofday(struct timeval *, struct timezone *);
121 #include "frontend.h"
128 #include "backendz.h"
132 # define _(s) gettext (s)
133 # define N_(s) gettext_noop (s)
134 # define T_(s) gettext(s)
147 /* A point in time */
149 long sec; /* Assuming this is >= 32 bits */
150 int ms; /* Assuming this is >= 16 bits */
153 int establish P((void));
154 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
155 char *buf, int count, int error));
156 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
157 char *buf, int count, int error));
158 void ics_printf P((char *format, ...));
159 void SendToICS P((char *s));
160 void SendToICSDelayed P((char *s, long msdelay));
161 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY,
163 void HandleMachineMove P((char *message, ChessProgramState *cps));
164 int AutoPlayOneMove P((void));
165 int LoadGameOneMove P((ChessMove readAhead));
166 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
167 int LoadPositionFromFile P((char *filename, int n, char *title));
168 int SavePositionToFile P((char *filename));
169 void ApplyMove P((int fromX, int fromY, int toX, int toY, int promoChar,
171 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
172 void ShowMove P((int fromX, int fromY, int toX, int toY));
173 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
174 /*char*/int promoChar));
175 void BackwardInner P((int target));
176 void ForwardInner P((int target));
177 int Adjudicate P((ChessProgramState *cps));
178 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
179 void EditPositionDone P((Boolean fakeRights));
180 void PrintOpponents P((FILE *fp));
181 void PrintPosition P((FILE *fp, int move));
182 void StartChessProgram P((ChessProgramState *cps));
183 void SendToProgram P((char *message, ChessProgramState *cps));
184 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
185 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
186 char *buf, int count, int error));
187 void SendTimeControl P((ChessProgramState *cps,
188 int mps, long tc, int inc, int sd, int st));
189 char *TimeControlTagValue P((void));
190 void Attention P((ChessProgramState *cps));
191 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
192 void ResurrectChessProgram P((void));
193 void DisplayComment P((int moveNumber, char *text));
194 void DisplayMove P((int moveNumber));
196 void ParseGameHistory P((char *game));
197 void ParseBoard12 P((char *string));
198 void KeepAlive P((void));
199 void StartClocks P((void));
200 void SwitchClocks P((int nr));
201 void StopClocks P((void));
202 void ResetClocks P((void));
203 char *PGNDate P((void));
204 void SetGameInfo P((void));
205 Boolean ParseFEN P((Board board, int *blackPlaysFirst, char *fen));
206 int RegisterMove P((void));
207 void MakeRegisteredMove P((void));
208 void TruncateGame P((void));
209 int looking_at P((char *, int *, char *));
210 void CopyPlayerNameIntoFileName P((char **, char *));
211 char *SavePart P((char *));
212 int SaveGameOldStyle P((FILE *));
213 int SaveGamePGN P((FILE *));
214 void GetTimeMark P((TimeMark *));
215 long SubtractTimeMarks P((TimeMark *, TimeMark *));
216 int CheckFlags P((void));
217 long NextTickLength P((long));
218 void CheckTimeControl P((void));
219 void show_bytes P((FILE *, char *, int));
220 int string_to_rating P((char *str));
221 void ParseFeatures P((char* args, ChessProgramState *cps));
222 void InitBackEnd3 P((void));
223 void FeatureDone P((ChessProgramState* cps, int val));
224 void InitChessProgram P((ChessProgramState *cps, int setup));
225 void OutputKibitz(int window, char *text);
226 int PerpetualChase(int first, int last);
227 int EngineOutputIsUp();
228 void InitDrawingSizes(int x, int y);
231 extern void ConsoleCreate();
234 ChessProgramState *WhitePlayer();
235 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
236 int VerifyDisplayMode P(());
238 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
239 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
240 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
241 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
242 void ics_update_width P((int new_width));
243 extern char installDir[MSG_SIZ];
244 VariantClass startVariant; /* [HGM] nicks: initial variant */
246 extern int tinyLayout, smallLayout;
247 ChessProgramStats programStats;
248 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
250 static int exiting = 0; /* [HGM] moved to top */
251 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
252 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
253 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
254 int partnerHighlight[2];
255 Boolean partnerBoardValid = 0;
256 char partnerStatus[MSG_SIZ];
258 Boolean originalFlip;
259 Boolean twoBoards = 0;
260 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
261 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
262 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
263 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
264 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
265 int opponentKibitzes;
266 int lastSavedGame; /* [HGM] save: ID of game */
267 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
268 extern int chatCount;
270 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
272 /* States for ics_getting_history */
274 #define H_REQUESTED 1
275 #define H_GOT_REQ_HEADER 2
276 #define H_GOT_UNREQ_HEADER 3
277 #define H_GETTING_MOVES 4
278 #define H_GOT_UNWANTED_HEADER 5
280 /* whosays values for GameEnds */
289 /* Maximum number of games in a cmail message */
290 #define CMAIL_MAX_GAMES 20
292 /* Different types of move when calling RegisterMove */
294 #define CMAIL_RESIGN 1
296 #define CMAIL_ACCEPT 3
298 /* Different types of result to remember for each game */
299 #define CMAIL_NOT_RESULT 0
300 #define CMAIL_OLD_RESULT 1
301 #define CMAIL_NEW_RESULT 2
303 /* Telnet protocol constants */
314 static char * safeStrCpy( char * dst, const char * src, size_t count )
316 assert( dst != NULL );
317 assert( src != NULL );
320 strncpy( dst, src, count );
321 dst[ count-1 ] = '\0';
325 /* Some compiler can't cast u64 to double
326 * This function do the job for us:
328 * We use the highest bit for cast, this only
329 * works if the highest bit is not
330 * in use (This should not happen)
332 * We used this for all compiler
335 u64ToDouble(u64 value)
338 u64 tmp = value & u64Const(0x7fffffffffffffff);
339 r = (double)(s64)tmp;
340 if (value & u64Const(0x8000000000000000))
341 r += 9.2233720368547758080e18; /* 2^63 */
345 /* Fake up flags for now, as we aren't keeping track of castling
346 availability yet. [HGM] Change of logic: the flag now only
347 indicates the type of castlings allowed by the rule of the game.
348 The actual rights themselves are maintained in the array
349 castlingRights, as part of the game history, and are not probed
355 int flags = F_ALL_CASTLE_OK;
356 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
357 switch (gameInfo.variant) {
359 flags &= ~F_ALL_CASTLE_OK;
360 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
361 flags |= F_IGNORE_CHECK;
363 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
366 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
368 case VariantKriegspiel:
369 flags |= F_KRIEGSPIEL_CAPTURE;
371 case VariantCapaRandom:
372 case VariantFischeRandom:
373 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
374 case VariantNoCastle:
375 case VariantShatranj:
378 flags &= ~F_ALL_CASTLE_OK;
386 FILE *gameFileFP, *debugFP;
389 [AS] Note: sometimes, the sscanf() function is used to parse the input
390 into a fixed-size buffer. Because of this, we must be prepared to
391 receive strings as long as the size of the input buffer, which is currently
392 set to 4K for Windows and 8K for the rest.
393 So, we must either allocate sufficiently large buffers here, or
394 reduce the size of the input buffer in the input reading part.
397 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
398 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
399 char thinkOutput1[MSG_SIZ*10];
401 ChessProgramState first, second;
403 /* premove variables */
406 int premoveFromX = 0;
407 int premoveFromY = 0;
408 int premovePromoChar = 0;
410 Boolean alarmSounded;
411 /* end premove variables */
413 char *ics_prefix = "$";
414 int ics_type = ICS_GENERIC;
416 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
417 int pauseExamForwardMostMove = 0;
418 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
419 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
420 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
421 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
422 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
423 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
424 int whiteFlag = FALSE, blackFlag = FALSE;
425 int userOfferedDraw = FALSE;
426 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
427 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
428 int cmailMoveType[CMAIL_MAX_GAMES];
429 long ics_clock_paused = 0;
430 ProcRef icsPR = NoProc, cmailPR = NoProc;
431 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
432 GameMode gameMode = BeginningOfGame;
433 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
434 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
435 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
436 int hiddenThinkOutputState = 0; /* [AS] */
437 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
438 int adjudicateLossPlies = 6;
439 char white_holding[64], black_holding[64];
440 TimeMark lastNodeCountTime;
441 long lastNodeCount=0;
442 int have_sent_ICS_logon = 0;
444 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement;
445 long timeControl_2; /* [AS] Allow separate time controls */
446 char *fullTimeControlString = NULL; /* [HGM] secondary TC: merge of MPS, TC and inc */
447 long timeRemaining[2][MAX_MOVES];
449 TimeMark programStartTime;
450 char ics_handle[MSG_SIZ];
451 int have_set_title = 0;
453 /* animateTraining preserves the state of appData.animate
454 * when Training mode is activated. This allows the
455 * response to be animated when appData.animate == TRUE and
456 * appData.animateDragging == TRUE.
458 Boolean animateTraining;
464 Board boards[MAX_MOVES];
465 /* [HGM] Following 7 needed for accurate legality tests: */
466 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
467 signed char initialRights[BOARD_FILES];
468 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
469 int initialRulePlies, FENrulePlies;
470 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
473 int mute; // mute all sounds
475 // [HGM] vari: next 12 to save and restore variations
476 #define MAX_VARIATIONS 10
477 int framePtr = MAX_MOVES-1; // points to free stack entry
479 int savedFirst[MAX_VARIATIONS];
480 int savedLast[MAX_VARIATIONS];
481 int savedFramePtr[MAX_VARIATIONS];
482 char *savedDetails[MAX_VARIATIONS];
483 ChessMove savedResult[MAX_VARIATIONS];
485 void PushTail P((int firstMove, int lastMove));
486 Boolean PopTail P((Boolean annotate));
487 void CleanupTail P((void));
489 ChessSquare FIDEArray[2][BOARD_FILES] = {
490 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
491 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
492 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
493 BlackKing, BlackBishop, BlackKnight, BlackRook }
496 ChessSquare twoKingsArray[2][BOARD_FILES] = {
497 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
498 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
499 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
500 BlackKing, BlackKing, BlackKnight, BlackRook }
503 ChessSquare KnightmateArray[2][BOARD_FILES] = {
504 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
505 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
506 { BlackRook, BlackMan, BlackBishop, BlackQueen,
507 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
510 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
511 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
512 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
513 { BlackLance, BlackAlfil, BlackMarshall, BlackAngel,
514 BlackKing, BlackMarshall, BlackAlfil, BlackLance }
517 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
518 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
519 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
520 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
521 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
524 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
525 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
526 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
527 { BlackRook, BlackKnight, BlackMan, BlackFerz,
528 BlackKing, BlackMan, BlackKnight, BlackRook }
532 #if (BOARD_FILES>=10)
533 ChessSquare ShogiArray[2][BOARD_FILES] = {
534 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
535 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
536 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
537 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
540 ChessSquare XiangqiArray[2][BOARD_FILES] = {
541 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
542 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
543 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
544 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
547 ChessSquare CapablancaArray[2][BOARD_FILES] = {
548 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
549 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
550 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
551 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
554 ChessSquare GreatArray[2][BOARD_FILES] = {
555 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
556 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
557 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
558 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
561 ChessSquare JanusArray[2][BOARD_FILES] = {
562 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
563 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
564 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
565 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
569 ChessSquare GothicArray[2][BOARD_FILES] = {
570 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
571 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
572 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
573 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
576 #define GothicArray CapablancaArray
580 ChessSquare FalconArray[2][BOARD_FILES] = {
581 { WhiteRook, WhiteKnight, WhiteBishop, WhiteLance, WhiteQueen,
582 WhiteKing, WhiteLance, WhiteBishop, WhiteKnight, WhiteRook },
583 { BlackRook, BlackKnight, BlackBishop, BlackLance, BlackQueen,
584 BlackKing, BlackLance, BlackBishop, BlackKnight, BlackRook }
587 #define FalconArray CapablancaArray
590 #else // !(BOARD_FILES>=10)
591 #define XiangqiPosition FIDEArray
592 #define CapablancaArray FIDEArray
593 #define GothicArray FIDEArray
594 #define GreatArray FIDEArray
595 #endif // !(BOARD_FILES>=10)
597 #if (BOARD_FILES>=12)
598 ChessSquare CourierArray[2][BOARD_FILES] = {
599 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
600 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
601 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
602 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
604 #else // !(BOARD_FILES>=12)
605 #define CourierArray CapablancaArray
606 #endif // !(BOARD_FILES>=12)
609 Board initialPosition;
612 /* Convert str to a rating. Checks for special cases of "----",
614 "++++", etc. Also strips ()'s */
616 string_to_rating(str)
619 while(*str && !isdigit(*str)) ++str;
621 return 0; /* One of the special "no rating" cases */
629 /* Init programStats */
630 programStats.movelist[0] = 0;
631 programStats.depth = 0;
632 programStats.nr_moves = 0;
633 programStats.moves_left = 0;
634 programStats.nodes = 0;
635 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
636 programStats.score = 0;
637 programStats.got_only_move = 0;
638 programStats.got_fail = 0;
639 programStats.line_is_book = 0;
645 int matched, min, sec;
647 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
648 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
650 GetTimeMark(&programStartTime);
651 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
654 programStats.ok_to_send = 1;
655 programStats.seen_stat = 0;
658 * Initialize game list
664 * Internet chess server status
666 if (appData.icsActive) {
667 appData.matchMode = FALSE;
668 appData.matchGames = 0;
670 appData.noChessProgram = !appData.zippyPlay;
672 appData.zippyPlay = FALSE;
673 appData.zippyTalk = FALSE;
674 appData.noChessProgram = TRUE;
676 if (*appData.icsHelper != NULLCHAR) {
677 appData.useTelnet = TRUE;
678 appData.telnetProgram = appData.icsHelper;
681 appData.zippyTalk = appData.zippyPlay = FALSE;
684 /* [AS] Initialize pv info list [HGM] and game state */
688 for( i=0; i<=framePtr; i++ ) {
689 pvInfoList[i].depth = -1;
690 boards[i][EP_STATUS] = EP_NONE;
691 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
696 * Parse timeControl resource
698 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
699 appData.movesPerSession)) {
701 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
702 DisplayFatalError(buf, 0, 2);
706 * Parse searchTime resource
708 if (*appData.searchTime != NULLCHAR) {
709 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
711 searchTime = min * 60;
712 } else if (matched == 2) {
713 searchTime = min * 60 + sec;
716 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
717 DisplayFatalError(buf, 0, 2);
721 /* [AS] Adjudication threshold */
722 adjudicateLossThreshold = appData.adjudicateLossThreshold;
724 first.which = _("first");
725 second.which = _("second");
726 first.maybeThinking = second.maybeThinking = FALSE;
727 first.pr = second.pr = NoProc;
728 first.isr = second.isr = NULL;
729 first.sendTime = second.sendTime = 2;
730 first.sendDrawOffers = 1;
731 if (appData.firstPlaysBlack) {
732 first.twoMachinesColor = "black\n";
733 second.twoMachinesColor = "white\n";
735 first.twoMachinesColor = "white\n";
736 second.twoMachinesColor = "black\n";
738 first.program = appData.firstChessProgram;
739 second.program = appData.secondChessProgram;
740 first.host = appData.firstHost;
741 second.host = appData.secondHost;
742 first.dir = appData.firstDirectory;
743 second.dir = appData.secondDirectory;
744 first.other = &second;
745 second.other = &first;
746 first.initString = appData.initString;
747 second.initString = appData.secondInitString;
748 first.computerString = appData.firstComputerString;
749 second.computerString = appData.secondComputerString;
750 first.useSigint = second.useSigint = TRUE;
751 first.useSigterm = second.useSigterm = TRUE;
752 first.reuse = appData.reuseFirst;
753 second.reuse = appData.reuseSecond;
754 first.nps = appData.firstNPS; // [HGM] nps: copy nodes per second
755 second.nps = appData.secondNPS;
756 first.useSetboard = second.useSetboard = FALSE;
757 first.useSAN = second.useSAN = FALSE;
758 first.usePing = second.usePing = FALSE;
759 first.lastPing = second.lastPing = 0;
760 first.lastPong = second.lastPong = 0;
761 first.usePlayother = second.usePlayother = FALSE;
762 first.useColors = second.useColors = TRUE;
763 first.useUsermove = second.useUsermove = FALSE;
764 first.sendICS = second.sendICS = FALSE;
765 first.sendName = second.sendName = appData.icsActive;
766 first.sdKludge = second.sdKludge = FALSE;
767 first.stKludge = second.stKludge = FALSE;
768 TidyProgramName(first.program, first.host, first.tidy);
769 TidyProgramName(second.program, second.host, second.tidy);
770 first.matchWins = second.matchWins = 0;
771 strcpy(first.variants, appData.variant);
772 strcpy(second.variants, appData.variant);
773 first.analysisSupport = second.analysisSupport = 2; /* detect */
774 first.analyzing = second.analyzing = FALSE;
775 first.initDone = second.initDone = FALSE;
777 /* New features added by Tord: */
778 first.useFEN960 = FALSE; second.useFEN960 = FALSE;
779 first.useOOCastle = TRUE; second.useOOCastle = TRUE;
780 /* End of new features added by Tord. */
781 first.fenOverride = appData.fenOverride1;
782 second.fenOverride = appData.fenOverride2;
784 /* [HGM] time odds: set factor for each machine */
785 first.timeOdds = appData.firstTimeOdds;
786 second.timeOdds = appData.secondTimeOdds;
788 if(appData.timeOddsMode) {
789 norm = first.timeOdds;
790 if(norm > second.timeOdds) norm = second.timeOdds;
792 first.timeOdds /= norm;
793 second.timeOdds /= norm;
796 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
797 first.accumulateTC = appData.firstAccumulateTC;
798 second.accumulateTC = appData.secondAccumulateTC;
799 first.maxNrOfSessions = second.maxNrOfSessions = 1;
802 first.debug = second.debug = FALSE;
803 first.supportsNPS = second.supportsNPS = UNKNOWN;
806 first.optionSettings = appData.firstOptions;
807 second.optionSettings = appData.secondOptions;
809 first.scoreIsAbsolute = appData.firstScoreIsAbsolute; /* [AS] */
810 second.scoreIsAbsolute = appData.secondScoreIsAbsolute; /* [AS] */
811 first.isUCI = appData.firstIsUCI; /* [AS] */
812 second.isUCI = appData.secondIsUCI; /* [AS] */
813 first.hasOwnBookUCI = appData.firstHasOwnBookUCI; /* [AS] */
814 second.hasOwnBookUCI = appData.secondHasOwnBookUCI; /* [AS] */
816 if (appData.firstProtocolVersion > PROTOVER ||
817 appData.firstProtocolVersion < 1) {
819 sprintf(buf, _("protocol version %d not supported"),
820 appData.firstProtocolVersion);
821 DisplayFatalError(buf, 0, 2);
823 first.protocolVersion = appData.firstProtocolVersion;
826 if (appData.secondProtocolVersion > PROTOVER ||
827 appData.secondProtocolVersion < 1) {
829 sprintf(buf, _("protocol version %d not supported"),
830 appData.secondProtocolVersion);
831 DisplayFatalError(buf, 0, 2);
833 second.protocolVersion = appData.secondProtocolVersion;
836 if (appData.icsActive) {
837 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
838 // } else if (*appData.searchTime != NULLCHAR || appData.noChessProgram) {
839 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
840 appData.clockMode = FALSE;
841 first.sendTime = second.sendTime = 0;
845 /* Override some settings from environment variables, for backward
846 compatibility. Unfortunately it's not feasible to have the env
847 vars just set defaults, at least in xboard. Ugh.
849 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
854 if (appData.noChessProgram) {
855 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
856 sprintf(programVersion, "%s", PACKAGE_STRING);
858 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
859 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
860 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
863 if (!appData.icsActive) {
865 /* Check for variants that are supported only in ICS mode,
866 or not at all. Some that are accepted here nevertheless
867 have bugs; see comments below.
869 VariantClass variant = StringToVariant(appData.variant);
871 case VariantBughouse: /* need four players and two boards */
872 case VariantKriegspiel: /* need to hide pieces and move details */
873 /* case VariantFischeRandom: (Fabien: moved below) */
874 sprintf(buf, _("Variant %s supported only in ICS mode"), appData.variant);
875 DisplayFatalError(buf, 0, 2);
879 case VariantLoadable:
889 sprintf(buf, _("Unknown variant name %s"), appData.variant);
890 DisplayFatalError(buf, 0, 2);
893 case VariantXiangqi: /* [HGM] repetition rules not implemented */
894 case VariantFairy: /* [HGM] TestLegality definitely off! */
895 case VariantGothic: /* [HGM] should work */
896 case VariantCapablanca: /* [HGM] should work */
897 case VariantCourier: /* [HGM] initial forced moves not implemented */
898 case VariantShogi: /* [HGM] drops not tested for legality */
899 case VariantKnightmate: /* [HGM] should work */
900 case VariantCylinder: /* [HGM] untested */
901 case VariantFalcon: /* [HGM] untested */
902 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
903 offboard interposition not understood */
904 case VariantNormal: /* definitely works! */
905 case VariantWildCastle: /* pieces not automatically shuffled */
906 case VariantNoCastle: /* pieces not automatically shuffled */
907 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
908 case VariantLosers: /* should work except for win condition,
909 and doesn't know captures are mandatory */
910 case VariantSuicide: /* should work except for win condition,
911 and doesn't know captures are mandatory */
912 case VariantGiveaway: /* should work except for win condition,
913 and doesn't know captures are mandatory */
914 case VariantTwoKings: /* should work */
915 case VariantAtomic: /* should work except for win condition */
916 case Variant3Check: /* should work except for win condition */
917 case VariantShatranj: /* should work except for all win conditions */
918 case VariantMakruk: /* should work except for daw countdown */
919 case VariantBerolina: /* might work if TestLegality is off */
920 case VariantCapaRandom: /* should work */
921 case VariantJanus: /* should work */
922 case VariantSuper: /* experimental */
923 case VariantGreat: /* experimental, requires legality testing to be off */
928 InitEngineUCI( installDir, &first ); // [HGM] moved here from winboard.c, to make available in xboard
929 InitEngineUCI( installDir, &second );
932 int NextIntegerFromString( char ** str, long * value )
937 while( *s == ' ' || *s == '\t' ) {
943 if( *s >= '0' && *s <= '9' ) {
944 while( *s >= '0' && *s <= '9' ) {
945 *value = *value * 10 + (*s - '0');
957 int NextTimeControlFromString( char ** str, long * value )
960 int result = NextIntegerFromString( str, &temp );
963 *value = temp * 60; /* Minutes */
966 result = NextIntegerFromString( str, &temp );
967 *value += temp; /* Seconds */
974 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc)
975 { /* [HGM] routine added to read '+moves/time' for secondary time control */
976 int result = -1; long temp, temp2;
978 if(**str != '+') return -1; // old params remain in force!
980 if( NextTimeControlFromString( str, &temp ) ) return -1;
983 /* time only: incremental or sudden-death time control */
984 if(**str == '+') { /* increment follows; read it */
986 if(result = NextIntegerFromString( str, &temp2)) return -1;
989 *moves = 0; *tc = temp * 1000;
991 } else if(temp % 60 != 0) return -1; /* moves was given as min:sec */
993 (*str)++; /* classical time control */
994 result = NextTimeControlFromString( str, &temp2);
1003 int GetTimeQuota(int movenr)
1004 { /* [HGM] get time to add from the multi-session time-control string */
1005 int moves=1; /* kludge to force reading of first session */
1006 long time, increment;
1007 char *s = fullTimeControlString;
1009 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", fullTimeControlString);
1011 if(moves) NextSessionFromString(&s, &moves, &time, &increment);
1012 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
1013 if(movenr == -1) return time; /* last move before new session */
1014 if(!moves) return increment; /* current session is incremental */
1015 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1016 } while(movenr >= -1); /* try again for next session */
1018 return 0; // no new time quota on this move
1022 ParseTimeControl(tc, ti, mps)
1031 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1034 sprintf(buf, "+%d/%s+%d", mps, tc, ti);
1035 else sprintf(buf, "+%s+%d", tc, ti);
1038 sprintf(buf, "+%d/%s", mps, tc);
1039 else sprintf(buf, "+%s", tc);
1041 fullTimeControlString = StrSave(buf);
1043 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1048 /* Parse second time control */
1051 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1059 timeControl_2 = tc2 * 1000;
1069 timeControl = tc1 * 1000;
1072 timeIncrement = ti * 1000; /* convert to ms */
1073 movesPerSession = 0;
1076 movesPerSession = mps;
1084 if (appData.debugMode) {
1085 fprintf(debugFP, "%s\n", programVersion);
1088 set_cont_sequence(appData.wrapContSeq);
1089 if (appData.matchGames > 0) {
1090 appData.matchMode = TRUE;
1091 } else if (appData.matchMode) {
1092 appData.matchGames = 1;
1094 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1095 appData.matchGames = appData.sameColorGames;
1096 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1097 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1098 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1101 if (appData.noChessProgram || first.protocolVersion == 1) {
1104 /* kludge: allow timeout for initial "feature" commands */
1106 DisplayMessage("", _("Starting chess program"));
1107 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1112 InitBackEnd3 P((void))
1114 GameMode initialMode;
1118 InitChessProgram(&first, startedFromSetupPosition);
1120 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1121 free(programVersion);
1122 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1123 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1126 if (appData.icsActive) {
1128 /* [DM] Make a console window if needed [HGM] merged ifs */
1133 if (*appData.icsCommPort != NULLCHAR) {
1134 sprintf(buf, _("Could not open comm port %s"),
1135 appData.icsCommPort);
1137 snprintf(buf, sizeof(buf), _("Could not connect to host %s, port %s"),
1138 appData.icsHost, appData.icsPort);
1140 DisplayFatalError(buf, err, 1);
1145 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1147 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1148 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1149 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1150 } else if (appData.noChessProgram) {
1156 if (*appData.cmailGameName != NULLCHAR) {
1158 OpenLoopback(&cmailPR);
1160 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1164 DisplayMessage("", "");
1165 if (StrCaseCmp(appData.initialMode, "") == 0) {
1166 initialMode = BeginningOfGame;
1167 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1168 initialMode = TwoMachinesPlay;
1169 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1170 initialMode = AnalyzeFile;
1171 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1172 initialMode = AnalyzeMode;
1173 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1174 initialMode = MachinePlaysWhite;
1175 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1176 initialMode = MachinePlaysBlack;
1177 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1178 initialMode = EditGame;
1179 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1180 initialMode = EditPosition;
1181 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1182 initialMode = Training;
1184 sprintf(buf, _("Unknown initialMode %s"), appData.initialMode);
1185 DisplayFatalError(buf, 0, 2);
1189 if (appData.matchMode) {
1190 /* Set up machine vs. machine match */
1191 if (appData.noChessProgram) {
1192 DisplayFatalError(_("Can't have a match with no chess programs"),
1198 if (*appData.loadGameFile != NULLCHAR) {
1199 int index = appData.loadGameIndex; // [HGM] autoinc
1200 if(index<0) lastIndex = index = 1;
1201 if (!LoadGameFromFile(appData.loadGameFile,
1203 appData.loadGameFile, FALSE)) {
1204 DisplayFatalError(_("Bad game file"), 0, 1);
1207 } else if (*appData.loadPositionFile != NULLCHAR) {
1208 int index = appData.loadPositionIndex; // [HGM] autoinc
1209 if(index<0) lastIndex = index = 1;
1210 if (!LoadPositionFromFile(appData.loadPositionFile,
1212 appData.loadPositionFile)) {
1213 DisplayFatalError(_("Bad position file"), 0, 1);
1218 } else if (*appData.cmailGameName != NULLCHAR) {
1219 /* Set up cmail mode */
1220 ReloadCmailMsgEvent(TRUE);
1222 /* Set up other modes */
1223 if (initialMode == AnalyzeFile) {
1224 if (*appData.loadGameFile == NULLCHAR) {
1225 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1229 if (*appData.loadGameFile != NULLCHAR) {
1230 (void) LoadGameFromFile(appData.loadGameFile,
1231 appData.loadGameIndex,
1232 appData.loadGameFile, TRUE);
1233 } else if (*appData.loadPositionFile != NULLCHAR) {
1234 (void) LoadPositionFromFile(appData.loadPositionFile,
1235 appData.loadPositionIndex,
1236 appData.loadPositionFile);
1237 /* [HGM] try to make self-starting even after FEN load */
1238 /* to allow automatic setup of fairy variants with wtm */
1239 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1240 gameMode = BeginningOfGame;
1241 setboardSpoiledMachineBlack = 1;
1243 /* [HGM] loadPos: make that every new game uses the setup */
1244 /* from file as long as we do not switch variant */
1245 if(!blackPlaysFirst) {
1246 startedFromPositionFile = TRUE;
1247 CopyBoard(filePosition, boards[0]);
1250 if (initialMode == AnalyzeMode) {
1251 if (appData.noChessProgram) {
1252 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1255 if (appData.icsActive) {
1256 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1260 } else if (initialMode == AnalyzeFile) {
1261 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1262 ShowThinkingEvent();
1264 AnalysisPeriodicEvent(1);
1265 } else if (initialMode == MachinePlaysWhite) {
1266 if (appData.noChessProgram) {
1267 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1271 if (appData.icsActive) {
1272 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1276 MachineWhiteEvent();
1277 } else if (initialMode == MachinePlaysBlack) {
1278 if (appData.noChessProgram) {
1279 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1283 if (appData.icsActive) {
1284 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1288 MachineBlackEvent();
1289 } else if (initialMode == TwoMachinesPlay) {
1290 if (appData.noChessProgram) {
1291 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1295 if (appData.icsActive) {
1296 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1301 } else if (initialMode == EditGame) {
1303 } else if (initialMode == EditPosition) {
1304 EditPositionEvent();
1305 } else if (initialMode == Training) {
1306 if (*appData.loadGameFile == NULLCHAR) {
1307 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1316 * Establish will establish a contact to a remote host.port.
1317 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1318 * used to talk to the host.
1319 * Returns 0 if okay, error code if not.
1326 if (*appData.icsCommPort != NULLCHAR) {
1327 /* Talk to the host through a serial comm port */
1328 return OpenCommPort(appData.icsCommPort, &icsPR);
1330 } else if (*appData.gateway != NULLCHAR) {
1331 if (*appData.remoteShell == NULLCHAR) {
1332 /* Use the rcmd protocol to run telnet program on a gateway host */
1333 snprintf(buf, sizeof(buf), "%s %s %s",
1334 appData.telnetProgram, appData.icsHost, appData.icsPort);
1335 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1338 /* Use the rsh program to run telnet program on a gateway host */
1339 if (*appData.remoteUser == NULLCHAR) {
1340 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1341 appData.gateway, appData.telnetProgram,
1342 appData.icsHost, appData.icsPort);
1344 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1345 appData.remoteShell, appData.gateway,
1346 appData.remoteUser, appData.telnetProgram,
1347 appData.icsHost, appData.icsPort);
1349 return StartChildProcess(buf, "", &icsPR);
1352 } else if (appData.useTelnet) {
1353 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1356 /* TCP socket interface differs somewhat between
1357 Unix and NT; handle details in the front end.
1359 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1363 void EscapeExpand(char *p, char *q)
1364 { // [HGM] initstring: routine to shape up string arguments
1365 while(*p++ = *q++) if(p[-1] == '\\')
1367 case 'n': p[-1] = '\n'; break;
1368 case 'r': p[-1] = '\r'; break;
1369 case 't': p[-1] = '\t'; break;
1370 case '\\': p[-1] = '\\'; break;
1371 case 0: *p = 0; return;
1372 default: p[-1] = q[-1]; break;
1377 show_bytes(fp, buf, count)
1383 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1384 fprintf(fp, "\\%03o", *buf & 0xff);
1393 /* Returns an errno value */
1395 OutputMaybeTelnet(pr, message, count, outError)
1401 char buf[8192], *p, *q, *buflim;
1402 int left, newcount, outcount;
1404 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1405 *appData.gateway != NULLCHAR) {
1406 if (appData.debugMode) {
1407 fprintf(debugFP, ">ICS: ");
1408 show_bytes(debugFP, message, count);
1409 fprintf(debugFP, "\n");
1411 return OutputToProcess(pr, message, count, outError);
1414 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1421 if (appData.debugMode) {
1422 fprintf(debugFP, ">ICS: ");
1423 show_bytes(debugFP, buf, newcount);
1424 fprintf(debugFP, "\n");
1426 outcount = OutputToProcess(pr, buf, newcount, outError);
1427 if (outcount < newcount) return -1; /* to be sure */
1434 } else if (((unsigned char) *p) == TN_IAC) {
1435 *q++ = (char) TN_IAC;
1442 if (appData.debugMode) {
1443 fprintf(debugFP, ">ICS: ");
1444 show_bytes(debugFP, buf, newcount);
1445 fprintf(debugFP, "\n");
1447 outcount = OutputToProcess(pr, buf, newcount, outError);
1448 if (outcount < newcount) return -1; /* to be sure */
1453 read_from_player(isr, closure, message, count, error)
1460 int outError, outCount;
1461 static int gotEof = 0;
1463 /* Pass data read from player on to ICS */
1466 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1467 if (outCount < count) {
1468 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1470 } else if (count < 0) {
1471 RemoveInputSource(isr);
1472 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1473 } else if (gotEof++ > 0) {
1474 RemoveInputSource(isr);
1475 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1481 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1482 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1483 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1484 SendToICS("date\n");
1485 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1488 /* added routine for printf style output to ics */
1489 void ics_printf(char *format, ...)
1491 char buffer[MSG_SIZ];
1494 va_start(args, format);
1495 vsnprintf(buffer, sizeof(buffer), format, args);
1496 buffer[sizeof(buffer)-1] = '\0';
1505 int count, outCount, outError;
1507 if (icsPR == NULL) return;
1510 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1511 if (outCount < count) {
1512 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1516 /* This is used for sending logon scripts to the ICS. Sending
1517 without a delay causes problems when using timestamp on ICC
1518 (at least on my machine). */
1520 SendToICSDelayed(s,msdelay)
1524 int count, outCount, outError;
1526 if (icsPR == NULL) return;
1529 if (appData.debugMode) {
1530 fprintf(debugFP, ">ICS: ");
1531 show_bytes(debugFP, s, count);
1532 fprintf(debugFP, "\n");
1534 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1536 if (outCount < count) {
1537 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1542 /* Remove all highlighting escape sequences in s
1543 Also deletes any suffix starting with '('
1546 StripHighlightAndTitle(s)
1549 static char retbuf[MSG_SIZ];
1552 while (*s != NULLCHAR) {
1553 while (*s == '\033') {
1554 while (*s != NULLCHAR && !isalpha(*s)) s++;
1555 if (*s != NULLCHAR) s++;
1557 while (*s != NULLCHAR && *s != '\033') {
1558 if (*s == '(' || *s == '[') {
1569 /* Remove all highlighting escape sequences in s */
1574 static char retbuf[MSG_SIZ];
1577 while (*s != NULLCHAR) {
1578 while (*s == '\033') {
1579 while (*s != NULLCHAR && !isalpha(*s)) s++;
1580 if (*s != NULLCHAR) s++;
1582 while (*s != NULLCHAR && *s != '\033') {
1590 char *variantNames[] = VARIANT_NAMES;
1595 return variantNames[v];
1599 /* Identify a variant from the strings the chess servers use or the
1600 PGN Variant tag names we use. */
1607 VariantClass v = VariantNormal;
1608 int i, found = FALSE;
1613 /* [HGM] skip over optional board-size prefixes */
1614 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1615 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1616 while( *e++ != '_');
1619 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1623 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1624 if (StrCaseStr(e, variantNames[i])) {
1625 v = (VariantClass) i;
1632 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1633 || StrCaseStr(e, "wild/fr")
1634 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1635 v = VariantFischeRandom;
1636 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1637 (i = 1, p = StrCaseStr(e, "w"))) {
1639 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
1646 case 0: /* FICS only, actually */
1648 /* Castling legal even if K starts on d-file */
1649 v = VariantWildCastle;
1654 /* Castling illegal even if K & R happen to start in
1655 normal positions. */
1656 v = VariantNoCastle;
1669 /* Castling legal iff K & R start in normal positions */
1675 /* Special wilds for position setup; unclear what to do here */
1676 v = VariantLoadable;
1679 /* Bizarre ICC game */
1680 v = VariantTwoKings;
1683 v = VariantKriegspiel;
1689 v = VariantFischeRandom;
1692 v = VariantCrazyhouse;
1695 v = VariantBughouse;
1701 /* Not quite the same as FICS suicide! */
1702 v = VariantGiveaway;
1708 v = VariantShatranj;
1711 /* Temporary names for future ICC types. The name *will* change in
1712 the next xboard/WinBoard release after ICC defines it. */
1750 v = VariantCapablanca;
1753 v = VariantKnightmate;
1759 v = VariantCylinder;
1765 v = VariantCapaRandom;
1768 v = VariantBerolina;
1780 /* Found "wild" or "w" in the string but no number;
1781 must assume it's normal chess. */
1785 sprintf(buf, _("Unknown wild type %d"), wnum);
1786 DisplayError(buf, 0);
1792 if (appData.debugMode) {
1793 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
1794 e, wnum, VariantName(v));
1799 static int leftover_start = 0, leftover_len = 0;
1800 char star_match[STAR_MATCH_N][MSG_SIZ];
1802 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
1803 advance *index beyond it, and set leftover_start to the new value of
1804 *index; else return FALSE. If pattern contains the character '*', it
1805 matches any sequence of characters not containing '\r', '\n', or the
1806 character following the '*' (if any), and the matched sequence(s) are
1807 copied into star_match.
1810 looking_at(buf, index, pattern)
1815 char *bufp = &buf[*index], *patternp = pattern;
1817 char *matchp = star_match[0];
1820 if (*patternp == NULLCHAR) {
1821 *index = leftover_start = bufp - buf;
1825 if (*bufp == NULLCHAR) return FALSE;
1826 if (*patternp == '*') {
1827 if (*bufp == *(patternp + 1)) {
1829 matchp = star_match[++star_count];
1833 } else if (*bufp == '\n' || *bufp == '\r') {
1835 if (*patternp == NULLCHAR)
1840 *matchp++ = *bufp++;
1844 if (*patternp != *bufp) return FALSE;
1851 SendToPlayer(data, length)
1855 int error, outCount;
1856 outCount = OutputToProcess(NoProc, data, length, &error);
1857 if (outCount < length) {
1858 DisplayFatalError(_("Error writing to display"), error, 1);
1863 PackHolding(packed, holding)
1875 switch (runlength) {
1886 sprintf(q, "%d", runlength);
1898 /* Telnet protocol requests from the front end */
1900 TelnetRequest(ddww, option)
1901 unsigned char ddww, option;
1903 unsigned char msg[3];
1904 int outCount, outError;
1906 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
1908 if (appData.debugMode) {
1909 char buf1[8], buf2[8], *ddwwStr, *optionStr;
1925 sprintf(buf1, "%d", ddww);
1934 sprintf(buf2, "%d", option);
1937 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
1942 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
1944 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1951 if (!appData.icsActive) return;
1952 TelnetRequest(TN_DO, TN_ECHO);
1958 if (!appData.icsActive) return;
1959 TelnetRequest(TN_DONT, TN_ECHO);
1963 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
1965 /* put the holdings sent to us by the server on the board holdings area */
1966 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
1970 if(gameInfo.holdingsWidth < 2) return;
1971 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
1972 return; // prevent overwriting by pre-board holdings
1974 if( (int)lowestPiece >= BlackPawn ) {
1977 holdingsStartRow = BOARD_HEIGHT-1;
1980 holdingsColumn = BOARD_WIDTH-1;
1981 countsColumn = BOARD_WIDTH-2;
1982 holdingsStartRow = 0;
1986 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
1987 board[i][holdingsColumn] = EmptySquare;
1988 board[i][countsColumn] = (ChessSquare) 0;
1990 while( (p=*holdings++) != NULLCHAR ) {
1991 piece = CharToPiece( ToUpper(p) );
1992 if(piece == EmptySquare) continue;
1993 /*j = (int) piece - (int) WhitePawn;*/
1994 j = PieceToNumber(piece);
1995 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
1996 if(j < 0) continue; /* should not happen */
1997 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
1998 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
1999 board[holdingsStartRow+j*direction][countsColumn]++;
2005 VariantSwitch(Board board, VariantClass newVariant)
2007 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2008 static Board oldBoard;
2010 startedFromPositionFile = FALSE;
2011 if(gameInfo.variant == newVariant) return;
2013 /* [HGM] This routine is called each time an assignment is made to
2014 * gameInfo.variant during a game, to make sure the board sizes
2015 * are set to match the new variant. If that means adding or deleting
2016 * holdings, we shift the playing board accordingly
2017 * This kludge is needed because in ICS observe mode, we get boards
2018 * of an ongoing game without knowing the variant, and learn about the
2019 * latter only later. This can be because of the move list we requested,
2020 * in which case the game history is refilled from the beginning anyway,
2021 * but also when receiving holdings of a crazyhouse game. In the latter
2022 * case we want to add those holdings to the already received position.
2026 if (appData.debugMode) {
2027 fprintf(debugFP, "Switch board from %s to %s\n",
2028 VariantName(gameInfo.variant), VariantName(newVariant));
2029 setbuf(debugFP, NULL);
2031 shuffleOpenings = 0; /* [HGM] shuffle */
2032 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2036 newWidth = 9; newHeight = 9;
2037 gameInfo.holdingsSize = 7;
2038 case VariantBughouse:
2039 case VariantCrazyhouse:
2040 newHoldingsWidth = 2; break;
2044 newHoldingsWidth = 2;
2045 gameInfo.holdingsSize = 8;
2048 case VariantCapablanca:
2049 case VariantCapaRandom:
2052 newHoldingsWidth = gameInfo.holdingsSize = 0;
2055 if(newWidth != gameInfo.boardWidth ||
2056 newHeight != gameInfo.boardHeight ||
2057 newHoldingsWidth != gameInfo.holdingsWidth ) {
2059 /* shift position to new playing area, if needed */
2060 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2061 for(i=0; i<BOARD_HEIGHT; i++)
2062 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2063 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2065 for(i=0; i<newHeight; i++) {
2066 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2067 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2069 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2070 for(i=0; i<BOARD_HEIGHT; i++)
2071 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2072 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2075 gameInfo.boardWidth = newWidth;
2076 gameInfo.boardHeight = newHeight;
2077 gameInfo.holdingsWidth = newHoldingsWidth;
2078 gameInfo.variant = newVariant;
2079 InitDrawingSizes(-2, 0);
2080 } else gameInfo.variant = newVariant;
2081 CopyBoard(oldBoard, board); // remember correctly formatted board
2082 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2083 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2086 static int loggedOn = FALSE;
2088 /*-- Game start info cache: --*/
2090 char gs_kind[MSG_SIZ];
2091 static char player1Name[128] = "";
2092 static char player2Name[128] = "";
2093 static char cont_seq[] = "\n\\ ";
2094 static int player1Rating = -1;
2095 static int player2Rating = -1;
2096 /*----------------------------*/
2098 ColorClass curColor = ColorNormal;
2099 int suppressKibitz = 0;
2102 Boolean soughtPending = FALSE;
2103 Boolean seekGraphUp;
2104 #define MAX_SEEK_ADS 200
2106 char *seekAdList[MAX_SEEK_ADS];
2107 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2108 float tcList[MAX_SEEK_ADS];
2109 char colorList[MAX_SEEK_ADS];
2110 int nrOfSeekAds = 0;
2111 int minRating = 1010, maxRating = 2800;
2112 int hMargin = 10, vMargin = 20, h, w;
2113 extern int squareSize, lineGap;
2118 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2119 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2120 if(r < minRating+100 && r >=0 ) r = minRating+100;
2121 if(r > maxRating) r = maxRating;
2122 if(tc < 1.) tc = 1.;
2123 if(tc > 95.) tc = 95.;
2124 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2125 y = ((double)r - minRating)/(maxRating - minRating)
2126 * (h-vMargin-squareSize/8-1) + vMargin;
2127 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2128 if(strstr(seekAdList[i], " u ")) color = 1;
2129 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2130 !strstr(seekAdList[i], "bullet") &&
2131 !strstr(seekAdList[i], "blitz") &&
2132 !strstr(seekAdList[i], "standard") ) color = 2;
2133 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2134 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2138 AddAd(char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2140 char buf[MSG_SIZ], *ext = "";
2141 VariantClass v = StringToVariant(type);
2142 if(strstr(type, "wild")) {
2143 ext = type + 4; // append wild number
2144 if(v == VariantFischeRandom) type = "chess960"; else
2145 if(v == VariantLoadable) type = "setup"; else
2146 type = VariantName(v);
2148 sprintf(buf, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2149 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2150 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2151 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2152 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2153 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2154 seekNrList[nrOfSeekAds] = nr;
2155 zList[nrOfSeekAds] = 0;
2156 seekAdList[nrOfSeekAds++] = StrSave(buf);
2157 if(plot) PlotSeekAd(nrOfSeekAds-1);
2164 int x = xList[i], y = yList[i], d=squareSize/4, k;
2165 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2166 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2167 // now replot every dot that overlapped
2168 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2169 int xx = xList[k], yy = yList[k];
2170 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2171 DrawSeekDot(xx, yy, colorList[k]);
2176 RemoveSeekAd(int nr)
2179 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2181 if(seekAdList[i]) free(seekAdList[i]);
2182 seekAdList[i] = seekAdList[--nrOfSeekAds];
2183 seekNrList[i] = seekNrList[nrOfSeekAds];
2184 ratingList[i] = ratingList[nrOfSeekAds];
2185 colorList[i] = colorList[nrOfSeekAds];
2186 tcList[i] = tcList[nrOfSeekAds];
2187 xList[i] = xList[nrOfSeekAds];
2188 yList[i] = yList[nrOfSeekAds];
2189 zList[i] = zList[nrOfSeekAds];
2190 seekAdList[nrOfSeekAds] = NULL;
2196 MatchSoughtLine(char *line)
2198 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2199 int nr, base, inc, u=0; char dummy;
2201 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2202 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2204 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2205 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2206 // match: compact and save the line
2207 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2217 if(!seekGraphUp) return FALSE;
2218 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2219 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2221 DrawSeekBackground(0, 0, w, h);
2222 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2223 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2224 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2225 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2227 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2230 sprintf(buf, "%d", i);
2231 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2234 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2235 for(i=1; i<100; i+=(i<10?1:5)) {
2236 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2237 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2238 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2240 sprintf(buf, "%d", i);
2241 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2244 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2248 int SeekGraphClick(ClickType click, int x, int y, int moving)
2250 static int lastDown = 0, displayed = 0, lastSecond;
2251 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2252 if(click == Release || moving) return FALSE;
2254 soughtPending = TRUE;
2255 SendToICS(ics_prefix);
2256 SendToICS("sought\n"); // should this be "sought all"?
2257 } else { // issue challenge based on clicked ad
2258 int dist = 10000; int i, closest = 0, second = 0;
2259 for(i=0; i<nrOfSeekAds; i++) {
2260 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2261 if(d < dist) { dist = d; closest = i; }
2262 second += (d - zList[i] < 120); // count in-range ads
2263 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2267 second = (second > 1);
2268 if(displayed != closest || second != lastSecond) {
2269 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2270 lastSecond = second; displayed = closest;
2272 if(click == Press) {
2273 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2276 } // on press 'hit', only show info
2277 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2278 sprintf(buf, "play %d\n", seekNrList[closest]);
2279 SendToICS(ics_prefix);
2281 return TRUE; // let incoming board of started game pop down the graph
2282 } else if(click == Release) { // release 'miss' is ignored
2283 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2284 if(moving == 2) { // right up-click
2285 nrOfSeekAds = 0; // refresh graph
2286 soughtPending = TRUE;
2287 SendToICS(ics_prefix);
2288 SendToICS("sought\n"); // should this be "sought all"?
2291 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2292 // press miss or release hit 'pop down' seek graph
2293 seekGraphUp = FALSE;
2294 DrawPosition(TRUE, NULL);
2300 read_from_ics(isr, closure, data, count, error)
2307 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2308 #define STARTED_NONE 0
2309 #define STARTED_MOVES 1
2310 #define STARTED_BOARD 2
2311 #define STARTED_OBSERVE 3
2312 #define STARTED_HOLDINGS 4
2313 #define STARTED_CHATTER 5
2314 #define STARTED_COMMENT 6
2315 #define STARTED_MOVES_NOHIDE 7
2317 static int started = STARTED_NONE;
2318 static char parse[20000];
2319 static int parse_pos = 0;
2320 static char buf[BUF_SIZE + 1];
2321 static int firstTime = TRUE, intfSet = FALSE;
2322 static ColorClass prevColor = ColorNormal;
2323 static int savingComment = FALSE;
2324 static int cmatch = 0; // continuation sequence match
2331 int backup; /* [DM] For zippy color lines */
2333 char talker[MSG_SIZ]; // [HGM] chat
2336 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2338 if (appData.debugMode) {
2340 fprintf(debugFP, "<ICS: ");
2341 show_bytes(debugFP, data, count);
2342 fprintf(debugFP, "\n");
2346 if (appData.debugMode) { int f = forwardMostMove;
2347 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2348 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2349 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2352 /* If last read ended with a partial line that we couldn't parse,
2353 prepend it to the new read and try again. */
2354 if (leftover_len > 0) {
2355 for (i=0; i<leftover_len; i++)
2356 buf[i] = buf[leftover_start + i];
2359 /* copy new characters into the buffer */
2360 bp = buf + leftover_len;
2361 buf_len=leftover_len;
2362 for (i=0; i<count; i++)
2365 if (data[i] == '\r')
2368 // join lines split by ICS?
2369 if (!appData.noJoin)
2372 Joining just consists of finding matches against the
2373 continuation sequence, and discarding that sequence
2374 if found instead of copying it. So, until a match
2375 fails, there's nothing to do since it might be the
2376 complete sequence, and thus, something we don't want
2379 if (data[i] == cont_seq[cmatch])
2382 if (cmatch == strlen(cont_seq))
2384 cmatch = 0; // complete match. just reset the counter
2387 it's possible for the ICS to not include the space
2388 at the end of the last word, making our [correct]
2389 join operation fuse two separate words. the server
2390 does this when the space occurs at the width setting.
2392 if (!buf_len || buf[buf_len-1] != ' ')
2403 match failed, so we have to copy what matched before
2404 falling through and copying this character. In reality,
2405 this will only ever be just the newline character, but
2406 it doesn't hurt to be precise.
2408 strncpy(bp, cont_seq, cmatch);
2420 buf[buf_len] = NULLCHAR;
2421 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2426 while (i < buf_len) {
2427 /* Deal with part of the TELNET option negotiation
2428 protocol. We refuse to do anything beyond the
2429 defaults, except that we allow the WILL ECHO option,
2430 which ICS uses to turn off password echoing when we are
2431 directly connected to it. We reject this option
2432 if localLineEditing mode is on (always on in xboard)
2433 and we are talking to port 23, which might be a real
2434 telnet server that will try to keep WILL ECHO on permanently.
2436 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2437 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2438 unsigned char option;
2440 switch ((unsigned char) buf[++i]) {
2442 if (appData.debugMode)
2443 fprintf(debugFP, "\n<WILL ");
2444 switch (option = (unsigned char) buf[++i]) {
2446 if (appData.debugMode)
2447 fprintf(debugFP, "ECHO ");
2448 /* Reply only if this is a change, according
2449 to the protocol rules. */
2450 if (remoteEchoOption) break;
2451 if (appData.localLineEditing &&
2452 atoi(appData.icsPort) == TN_PORT) {
2453 TelnetRequest(TN_DONT, TN_ECHO);
2456 TelnetRequest(TN_DO, TN_ECHO);
2457 remoteEchoOption = TRUE;
2461 if (appData.debugMode)
2462 fprintf(debugFP, "%d ", option);
2463 /* Whatever this is, we don't want it. */
2464 TelnetRequest(TN_DONT, option);
2469 if (appData.debugMode)
2470 fprintf(debugFP, "\n<WONT ");
2471 switch (option = (unsigned char) buf[++i]) {
2473 if (appData.debugMode)
2474 fprintf(debugFP, "ECHO ");
2475 /* Reply only if this is a change, according
2476 to the protocol rules. */
2477 if (!remoteEchoOption) break;
2479 TelnetRequest(TN_DONT, TN_ECHO);
2480 remoteEchoOption = FALSE;
2483 if (appData.debugMode)
2484 fprintf(debugFP, "%d ", (unsigned char) option);
2485 /* Whatever this is, it must already be turned
2486 off, because we never agree to turn on
2487 anything non-default, so according to the
2488 protocol rules, we don't reply. */
2493 if (appData.debugMode)
2494 fprintf(debugFP, "\n<DO ");
2495 switch (option = (unsigned char) buf[++i]) {
2497 /* Whatever this is, we refuse to do it. */
2498 if (appData.debugMode)
2499 fprintf(debugFP, "%d ", option);
2500 TelnetRequest(TN_WONT, option);
2505 if (appData.debugMode)
2506 fprintf(debugFP, "\n<DONT ");
2507 switch (option = (unsigned char) buf[++i]) {
2509 if (appData.debugMode)
2510 fprintf(debugFP, "%d ", option);
2511 /* Whatever this is, we are already not doing
2512 it, because we never agree to do anything
2513 non-default, so according to the protocol
2514 rules, we don't reply. */
2519 if (appData.debugMode)
2520 fprintf(debugFP, "\n<IAC ");
2521 /* Doubled IAC; pass it through */
2525 if (appData.debugMode)
2526 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2527 /* Drop all other telnet commands on the floor */
2530 if (oldi > next_out)
2531 SendToPlayer(&buf[next_out], oldi - next_out);
2537 /* OK, this at least will *usually* work */
2538 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2542 if (loggedOn && !intfSet) {
2543 if (ics_type == ICS_ICC) {
2545 "/set-quietly interface %s\n/set-quietly style 12\n",
2547 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2548 strcat(str, "/set-2 51 1\n/set seek 1\n");
2549 } else if (ics_type == ICS_CHESSNET) {
2550 sprintf(str, "/style 12\n");
2552 strcpy(str, "alias $ @\n$set interface ");
2553 strcat(str, programVersion);
2554 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2555 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2556 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2558 strcat(str, "$iset nohighlight 1\n");
2560 strcat(str, "$iset lock 1\n$style 12\n");
2563 NotifyFrontendLogin();
2567 if (started == STARTED_COMMENT) {
2568 /* Accumulate characters in comment */
2569 parse[parse_pos++] = buf[i];
2570 if (buf[i] == '\n') {
2571 parse[parse_pos] = NULLCHAR;
2572 if(chattingPartner>=0) {
2574 sprintf(mess, "%s%s", talker, parse);
2575 OutputChatMessage(chattingPartner, mess);
2576 chattingPartner = -1;
2577 next_out = i+1; // [HGM] suppress printing in ICS window
2579 if(!suppressKibitz) // [HGM] kibitz
2580 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2581 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2582 int nrDigit = 0, nrAlph = 0, j;
2583 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2584 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2585 parse[parse_pos] = NULLCHAR;
2586 // try to be smart: if it does not look like search info, it should go to
2587 // ICS interaction window after all, not to engine-output window.
2588 for(j=0; j<parse_pos; j++) { // count letters and digits
2589 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2590 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2591 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2593 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2594 int depth=0; float score;
2595 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2596 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2597 pvInfoList[forwardMostMove-1].depth = depth;
2598 pvInfoList[forwardMostMove-1].score = 100*score;
2600 OutputKibitz(suppressKibitz, parse);
2603 sprintf(tmp, _("your opponent kibitzes: %s"), parse);
2604 SendToPlayer(tmp, strlen(tmp));
2606 next_out = i+1; // [HGM] suppress printing in ICS window
2608 started = STARTED_NONE;
2610 /* Don't match patterns against characters in comment */
2615 if (started == STARTED_CHATTER) {
2616 if (buf[i] != '\n') {
2617 /* Don't match patterns against characters in chatter */
2621 started = STARTED_NONE;
2622 if(suppressKibitz) next_out = i+1;
2625 /* Kludge to deal with rcmd protocol */
2626 if (firstTime && looking_at(buf, &i, "\001*")) {
2627 DisplayFatalError(&buf[1], 0, 1);
2633 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2636 if (appData.debugMode)
2637 fprintf(debugFP, "ics_type %d\n", ics_type);
2640 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2641 ics_type = ICS_FICS;
2643 if (appData.debugMode)
2644 fprintf(debugFP, "ics_type %d\n", ics_type);
2647 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
2648 ics_type = ICS_CHESSNET;
2650 if (appData.debugMode)
2651 fprintf(debugFP, "ics_type %d\n", ics_type);
2656 (looking_at(buf, &i, "\"*\" is *a registered name") ||
2657 looking_at(buf, &i, "Logging you in as \"*\"") ||
2658 looking_at(buf, &i, "will be \"*\""))) {
2659 strcpy(ics_handle, star_match[0]);
2663 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
2665 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
2666 DisplayIcsInteractionTitle(buf);
2667 have_set_title = TRUE;
2670 /* skip finger notes */
2671 if (started == STARTED_NONE &&
2672 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
2673 (buf[i] == '1' && buf[i+1] == '0')) &&
2674 buf[i+2] == ':' && buf[i+3] == ' ') {
2675 started = STARTED_CHATTER;
2681 // [HGM] seekgraph: recognize sought lines and end-of-sought message
2682 if(appData.seekGraph) {
2683 if(soughtPending && MatchSoughtLine(buf+i)) {
2684 i = strstr(buf+i, "rated") - buf;
2685 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2686 next_out = leftover_start = i;
2687 started = STARTED_CHATTER;
2688 suppressKibitz = TRUE;
2691 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
2692 && looking_at(buf, &i, "* ads displayed")) {
2693 soughtPending = FALSE;
2698 if(appData.autoRefresh) {
2699 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
2700 int s = (ics_type == ICS_ICC); // ICC format differs
2702 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
2703 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
2704 looking_at(buf, &i, "*% "); // eat prompt
2705 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
2706 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2707 next_out = i; // suppress
2710 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
2711 char *p = star_match[0];
2713 if(seekGraphUp) RemoveSeekAd(atoi(p));
2714 while(*p && *p++ != ' '); // next
2716 looking_at(buf, &i, "*% "); // eat prompt
2717 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2724 /* skip formula vars */
2725 if (started == STARTED_NONE &&
2726 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
2727 started = STARTED_CHATTER;
2732 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
2733 if (appData.autoKibitz && started == STARTED_NONE &&
2734 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
2735 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
2736 if((looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
2737 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
2738 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
2739 suppressKibitz = TRUE;
2740 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2742 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
2743 && (gameMode == IcsPlayingWhite)) ||
2744 (StrStr(star_match[0], gameInfo.black) == star_match[0]
2745 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
2746 started = STARTED_CHATTER; // own kibitz we simply discard
2748 started = STARTED_COMMENT; // make sure it will be collected in parse[]
2749 parse_pos = 0; parse[0] = NULLCHAR;
2750 savingComment = TRUE;
2751 suppressKibitz = gameMode != IcsObserving ? 2 :
2752 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
2756 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
2757 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
2758 && atoi(star_match[0])) {
2759 // suppress the acknowledgements of our own autoKibitz
2761 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2762 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
2763 SendToPlayer(star_match[0], strlen(star_match[0]));
2764 if(looking_at(buf, &i, "*% ")) // eat prompt
2765 suppressKibitz = FALSE;
2769 } // [HGM] kibitz: end of patch
2771 // [HGM] chat: intercept tells by users for which we have an open chat window
2773 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
2774 looking_at(buf, &i, "* whispers:") ||
2775 looking_at(buf, &i, "* kibitzes:") ||
2776 looking_at(buf, &i, "* shouts:") ||
2777 looking_at(buf, &i, "* c-shouts:") ||
2778 looking_at(buf, &i, "--> * ") ||
2779 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
2780 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
2781 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
2782 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
2784 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
2785 chattingPartner = -1;
2787 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
2788 for(p=0; p<MAX_CHAT; p++) {
2789 if(channel == atoi(chatPartner[p])) {
2790 talker[0] = '['; strcat(talker, "] ");
2791 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
2792 chattingPartner = p; break;
2795 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
2796 for(p=0; p<MAX_CHAT; p++) {
2797 if(!strcmp("kibitzes", chatPartner[p])) {
2798 talker[0] = '['; strcat(talker, "] ");
2799 chattingPartner = p; break;
2802 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
2803 for(p=0; p<MAX_CHAT; p++) {
2804 if(!strcmp("whispers", chatPartner[p])) {
2805 talker[0] = '['; strcat(talker, "] ");
2806 chattingPartner = p; break;
2809 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
2810 if(buf[i-8] == '-' && buf[i-3] == 't')
2811 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
2812 if(!strcmp("c-shouts", chatPartner[p])) {
2813 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
2814 chattingPartner = p; break;
2817 if(chattingPartner < 0)
2818 for(p=0; p<MAX_CHAT; p++) {
2819 if(!strcmp("shouts", chatPartner[p])) {
2820 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
2821 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
2822 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
2823 chattingPartner = p; break;
2827 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
2828 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
2829 talker[0] = 0; Colorize(ColorTell, FALSE);
2830 chattingPartner = p; break;
2832 if(chattingPartner<0) i = oldi; else {
2833 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
2834 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
2835 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2836 started = STARTED_COMMENT;
2837 parse_pos = 0; parse[0] = NULLCHAR;
2838 savingComment = 3 + chattingPartner; // counts as TRUE
2839 suppressKibitz = TRUE;
2842 } // [HGM] chat: end of patch
2844 if (appData.zippyTalk || appData.zippyPlay) {
2845 /* [DM] Backup address for color zippy lines */
2848 if (loggedOn == TRUE)
2849 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
2850 (appData.zippyPlay && ZippyMatch(buf, &backup)));
2852 } // [DM] 'else { ' deleted
2854 /* Regular tells and says */
2855 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
2856 looking_at(buf, &i, "* (your partner) tells you: ") ||
2857 looking_at(buf, &i, "* says: ") ||
2858 /* Don't color "message" or "messages" output */
2859 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
2860 looking_at(buf, &i, "*. * at *:*: ") ||
2861 looking_at(buf, &i, "--* (*:*): ") ||
2862 /* Message notifications (same color as tells) */
2863 looking_at(buf, &i, "* has left a message ") ||
2864 looking_at(buf, &i, "* just sent you a message:\n") ||
2865 /* Whispers and kibitzes */
2866 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
2867 looking_at(buf, &i, "* kibitzes: ") ||
2869 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
2871 if (tkind == 1 && strchr(star_match[0], ':')) {
2872 /* Avoid "tells you:" spoofs in channels */
2875 if (star_match[0][0] == NULLCHAR ||
2876 strchr(star_match[0], ' ') ||
2877 (tkind == 3 && strchr(star_match[1], ' '))) {
2878 /* Reject bogus matches */
2881 if (appData.colorize) {
2882 if (oldi > next_out) {
2883 SendToPlayer(&buf[next_out], oldi - next_out);
2888 Colorize(ColorTell, FALSE);
2889 curColor = ColorTell;
2892 Colorize(ColorKibitz, FALSE);
2893 curColor = ColorKibitz;
2896 p = strrchr(star_match[1], '(');
2903 Colorize(ColorChannel1, FALSE);
2904 curColor = ColorChannel1;
2906 Colorize(ColorChannel, FALSE);
2907 curColor = ColorChannel;
2911 curColor = ColorNormal;
2915 if (started == STARTED_NONE && appData.autoComment &&
2916 (gameMode == IcsObserving ||
2917 gameMode == IcsPlayingWhite ||
2918 gameMode == IcsPlayingBlack)) {
2919 parse_pos = i - oldi;
2920 memcpy(parse, &buf[oldi], parse_pos);
2921 parse[parse_pos] = NULLCHAR;
2922 started = STARTED_COMMENT;
2923 savingComment = TRUE;
2925 started = STARTED_CHATTER;
2926 savingComment = FALSE;
2933 if (looking_at(buf, &i, "* s-shouts: ") ||
2934 looking_at(buf, &i, "* c-shouts: ")) {
2935 if (appData.colorize) {
2936 if (oldi > next_out) {
2937 SendToPlayer(&buf[next_out], oldi - next_out);
2940 Colorize(ColorSShout, FALSE);
2941 curColor = ColorSShout;
2944 started = STARTED_CHATTER;
2948 if (looking_at(buf, &i, "--->")) {
2953 if (looking_at(buf, &i, "* shouts: ") ||
2954 looking_at(buf, &i, "--> ")) {
2955 if (appData.colorize) {
2956 if (oldi > next_out) {
2957 SendToPlayer(&buf[next_out], oldi - next_out);
2960 Colorize(ColorShout, FALSE);
2961 curColor = ColorShout;
2964 started = STARTED_CHATTER;
2968 if (looking_at( buf, &i, "Challenge:")) {
2969 if (appData.colorize) {
2970 if (oldi > next_out) {
2971 SendToPlayer(&buf[next_out], oldi - next_out);
2974 Colorize(ColorChallenge, FALSE);
2975 curColor = ColorChallenge;
2981 if (looking_at(buf, &i, "* offers you") ||
2982 looking_at(buf, &i, "* offers to be") ||
2983 looking_at(buf, &i, "* would like to") ||
2984 looking_at(buf, &i, "* requests to") ||
2985 looking_at(buf, &i, "Your opponent offers") ||
2986 looking_at(buf, &i, "Your opponent requests")) {
2988 if (appData.colorize) {
2989 if (oldi > next_out) {
2990 SendToPlayer(&buf[next_out], oldi - next_out);
2993 Colorize(ColorRequest, FALSE);
2994 curColor = ColorRequest;
2999 if (looking_at(buf, &i, "* (*) seeking")) {
3000 if (appData.colorize) {
3001 if (oldi > next_out) {
3002 SendToPlayer(&buf[next_out], oldi - next_out);
3005 Colorize(ColorSeek, FALSE);
3006 curColor = ColorSeek;
3011 if (looking_at(buf, &i, "\\ ")) {
3012 if (prevColor != ColorNormal) {
3013 if (oldi > next_out) {
3014 SendToPlayer(&buf[next_out], oldi - next_out);
3017 Colorize(prevColor, TRUE);
3018 curColor = prevColor;
3020 if (savingComment) {
3021 parse_pos = i - oldi;
3022 memcpy(parse, &buf[oldi], parse_pos);
3023 parse[parse_pos] = NULLCHAR;
3024 started = STARTED_COMMENT;
3025 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3026 chattingPartner = savingComment - 3; // kludge to remember the box
3028 started = STARTED_CHATTER;
3033 if (looking_at(buf, &i, "Black Strength :") ||
3034 looking_at(buf, &i, "<<< style 10 board >>>") ||
3035 looking_at(buf, &i, "<10>") ||
3036 looking_at(buf, &i, "#@#")) {
3037 /* Wrong board style */
3039 SendToICS(ics_prefix);
3040 SendToICS("set style 12\n");
3041 SendToICS(ics_prefix);
3042 SendToICS("refresh\n");
3046 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3048 have_sent_ICS_logon = 1;
3052 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3053 (looking_at(buf, &i, "\n<12> ") ||
3054 looking_at(buf, &i, "<12> "))) {
3056 if (oldi > next_out) {
3057 SendToPlayer(&buf[next_out], oldi - next_out);
3060 started = STARTED_BOARD;
3065 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3066 looking_at(buf, &i, "<b1> ")) {
3067 if (oldi > next_out) {
3068 SendToPlayer(&buf[next_out], oldi - next_out);
3071 started = STARTED_HOLDINGS;
3076 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3078 /* Header for a move list -- first line */
3080 switch (ics_getting_history) {
3084 case BeginningOfGame:
3085 /* User typed "moves" or "oldmoves" while we
3086 were idle. Pretend we asked for these
3087 moves and soak them up so user can step
3088 through them and/or save them.
3091 gameMode = IcsObserving;
3094 ics_getting_history = H_GOT_UNREQ_HEADER;
3096 case EditGame: /*?*/
3097 case EditPosition: /*?*/
3098 /* Should above feature work in these modes too? */
3099 /* For now it doesn't */
3100 ics_getting_history = H_GOT_UNWANTED_HEADER;
3103 ics_getting_history = H_GOT_UNWANTED_HEADER;
3108 /* Is this the right one? */
3109 if (gameInfo.white && gameInfo.black &&
3110 strcmp(gameInfo.white, star_match[0]) == 0 &&
3111 strcmp(gameInfo.black, star_match[2]) == 0) {
3113 ics_getting_history = H_GOT_REQ_HEADER;
3116 case H_GOT_REQ_HEADER:
3117 case H_GOT_UNREQ_HEADER:
3118 case H_GOT_UNWANTED_HEADER:
3119 case H_GETTING_MOVES:
3120 /* Should not happen */
3121 DisplayError(_("Error gathering move list: two headers"), 0);
3122 ics_getting_history = H_FALSE;
3126 /* Save player ratings into gameInfo if needed */
3127 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3128 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3129 (gameInfo.whiteRating == -1 ||
3130 gameInfo.blackRating == -1)) {
3132 gameInfo.whiteRating = string_to_rating(star_match[1]);
3133 gameInfo.blackRating = string_to_rating(star_match[3]);
3134 if (appData.debugMode)
3135 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3136 gameInfo.whiteRating, gameInfo.blackRating);
3141 if (looking_at(buf, &i,
3142 "* * match, initial time: * minute*, increment: * second")) {
3143 /* Header for a move list -- second line */
3144 /* Initial board will follow if this is a wild game */
3145 if (gameInfo.event != NULL) free(gameInfo.event);
3146 sprintf(str, "ICS %s %s match", star_match[0], star_match[1]);
3147 gameInfo.event = StrSave(str);
3148 /* [HGM] we switched variant. Translate boards if needed. */
3149 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3153 if (looking_at(buf, &i, "Move ")) {
3154 /* Beginning of a move list */
3155 switch (ics_getting_history) {
3157 /* Normally should not happen */
3158 /* Maybe user hit reset while we were parsing */
3161 /* Happens if we are ignoring a move list that is not
3162 * the one we just requested. Common if the user
3163 * tries to observe two games without turning off
3166 case H_GETTING_MOVES:
3167 /* Should not happen */
3168 DisplayError(_("Error gathering move list: nested"), 0);
3169 ics_getting_history = H_FALSE;
3171 case H_GOT_REQ_HEADER:
3172 ics_getting_history = H_GETTING_MOVES;
3173 started = STARTED_MOVES;
3175 if (oldi > next_out) {
3176 SendToPlayer(&buf[next_out], oldi - next_out);
3179 case H_GOT_UNREQ_HEADER:
3180 ics_getting_history = H_GETTING_MOVES;
3181 started = STARTED_MOVES_NOHIDE;
3184 case H_GOT_UNWANTED_HEADER:
3185 ics_getting_history = H_FALSE;
3191 if (looking_at(buf, &i, "% ") ||
3192 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3193 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3194 if(ics_type == ICS_ICC && soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3195 soughtPending = FALSE;
3199 if(suppressKibitz) next_out = i;
3200 savingComment = FALSE;
3204 case STARTED_MOVES_NOHIDE:
3205 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3206 parse[parse_pos + i - oldi] = NULLCHAR;
3207 ParseGameHistory(parse);
3209 if (appData.zippyPlay && first.initDone) {
3210 FeedMovesToProgram(&first, forwardMostMove);
3211 if (gameMode == IcsPlayingWhite) {
3212 if (WhiteOnMove(forwardMostMove)) {
3213 if (first.sendTime) {
3214 if (first.useColors) {
3215 SendToProgram("black\n", &first);
3217 SendTimeRemaining(&first, TRUE);
3219 if (first.useColors) {
3220 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3222 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3223 first.maybeThinking = TRUE;
3225 if (first.usePlayother) {
3226 if (first.sendTime) {
3227 SendTimeRemaining(&first, TRUE);
3229 SendToProgram("playother\n", &first);
3235 } else if (gameMode == IcsPlayingBlack) {
3236 if (!WhiteOnMove(forwardMostMove)) {
3237 if (first.sendTime) {
3238 if (first.useColors) {
3239 SendToProgram("white\n", &first);
3241 SendTimeRemaining(&first, FALSE);
3243 if (first.useColors) {
3244 SendToProgram("black\n", &first);
3246 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3247 first.maybeThinking = TRUE;
3249 if (first.usePlayother) {
3250 if (first.sendTime) {
3251 SendTimeRemaining(&first, FALSE);
3253 SendToProgram("playother\n", &first);
3262 if (gameMode == IcsObserving && ics_gamenum == -1) {
3263 /* Moves came from oldmoves or moves command
3264 while we weren't doing anything else.
3266 currentMove = forwardMostMove;
3267 ClearHighlights();/*!!could figure this out*/
3268 flipView = appData.flipView;
3269 DrawPosition(TRUE, boards[currentMove]);
3270 DisplayBothClocks();
3271 sprintf(str, "%s vs. %s",
3272 gameInfo.white, gameInfo.black);
3276 /* Moves were history of an active game */
3277 if (gameInfo.resultDetails != NULL) {
3278 free(gameInfo.resultDetails);
3279 gameInfo.resultDetails = NULL;
3282 HistorySet(parseList, backwardMostMove,
3283 forwardMostMove, currentMove-1);
3284 DisplayMove(currentMove - 1);
3285 if (started == STARTED_MOVES) next_out = i;
3286 started = STARTED_NONE;
3287 ics_getting_history = H_FALSE;
3290 case STARTED_OBSERVE:
3291 started = STARTED_NONE;
3292 SendToICS(ics_prefix);
3293 SendToICS("refresh\n");
3299 if(bookHit) { // [HGM] book: simulate book reply
3300 static char bookMove[MSG_SIZ]; // a bit generous?
3302 programStats.nodes = programStats.depth = programStats.time =
3303 programStats.score = programStats.got_only_move = 0;
3304 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3306 strcpy(bookMove, "move ");
3307 strcat(bookMove, bookHit);
3308 HandleMachineMove(bookMove, &first);
3313 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3314 started == STARTED_HOLDINGS ||
3315 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3316 /* Accumulate characters in move list or board */
3317 parse[parse_pos++] = buf[i];
3320 /* Start of game messages. Mostly we detect start of game
3321 when the first board image arrives. On some versions
3322 of the ICS, though, we need to do a "refresh" after starting
3323 to observe in order to get the current board right away. */
3324 if (looking_at(buf, &i, "Adding game * to observation list")) {
3325 started = STARTED_OBSERVE;
3329 /* Handle auto-observe */
3330 if (appData.autoObserve &&
3331 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3332 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3334 /* Choose the player that was highlighted, if any. */
3335 if (star_match[0][0] == '\033' ||
3336 star_match[1][0] != '\033') {
3337 player = star_match[0];
3339 player = star_match[2];
3341 sprintf(str, "%sobserve %s\n",
3342 ics_prefix, StripHighlightAndTitle(player));
3345 /* Save ratings from notify string */
3346 strcpy(player1Name, star_match[0]);
3347 player1Rating = string_to_rating(star_match[1]);
3348 strcpy(player2Name, star_match[2]);
3349 player2Rating = string_to_rating(star_match[3]);
3351 if (appData.debugMode)
3353 "Ratings from 'Game notification:' %s %d, %s %d\n",
3354 player1Name, player1Rating,
3355 player2Name, player2Rating);
3360 /* Deal with automatic examine mode after a game,
3361 and with IcsObserving -> IcsExamining transition */
3362 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3363 looking_at(buf, &i, "has made you an examiner of game *")) {
3365 int gamenum = atoi(star_match[0]);
3366 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3367 gamenum == ics_gamenum) {
3368 /* We were already playing or observing this game;
3369 no need to refetch history */
3370 gameMode = IcsExamining;
3372 pauseExamForwardMostMove = forwardMostMove;
3373 } else if (currentMove < forwardMostMove) {
3374 ForwardInner(forwardMostMove);
3377 /* I don't think this case really can happen */
3378 SendToICS(ics_prefix);
3379 SendToICS("refresh\n");
3384 /* Error messages */
3385 // if (ics_user_moved) {
3386 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3387 if (looking_at(buf, &i, "Illegal move") ||
3388 looking_at(buf, &i, "Not a legal move") ||
3389 looking_at(buf, &i, "Your king is in check") ||
3390 looking_at(buf, &i, "It isn't your turn") ||
3391 looking_at(buf, &i, "It is not your move")) {
3393 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3394 currentMove = forwardMostMove-1;
3395 DisplayMove(currentMove - 1); /* before DMError */
3396 DrawPosition(FALSE, boards[currentMove]);
3397 SwitchClocks(forwardMostMove-1); // [HGM] race
3398 DisplayBothClocks();
3400 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3406 if (looking_at(buf, &i, "still have time") ||
3407 looking_at(buf, &i, "not out of time") ||
3408 looking_at(buf, &i, "either player is out of time") ||
3409 looking_at(buf, &i, "has timeseal; checking")) {
3410 /* We must have called his flag a little too soon */
3411 whiteFlag = blackFlag = FALSE;
3415 if (looking_at(buf, &i, "added * seconds to") ||
3416 looking_at(buf, &i, "seconds were added to")) {
3417 /* Update the clocks */
3418 SendToICS(ics_prefix);
3419 SendToICS("refresh\n");
3423 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3424 ics_clock_paused = TRUE;
3429 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3430 ics_clock_paused = FALSE;
3435 /* Grab player ratings from the Creating: message.
3436 Note we have to check for the special case when
3437 the ICS inserts things like [white] or [black]. */
3438 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3439 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3441 0 player 1 name (not necessarily white)
3443 2 empty, white, or black (IGNORED)
3444 3 player 2 name (not necessarily black)
3447 The names/ratings are sorted out when the game
3448 actually starts (below).
3450 strcpy(player1Name, StripHighlightAndTitle(star_match[0]));
3451 player1Rating = string_to_rating(star_match[1]);
3452 strcpy(player2Name, StripHighlightAndTitle(star_match[3]));
3453 player2Rating = string_to_rating(star_match[4]);
3455 if (appData.debugMode)
3457 "Ratings from 'Creating:' %s %d, %s %d\n",
3458 player1Name, player1Rating,
3459 player2Name, player2Rating);
3464 /* Improved generic start/end-of-game messages */
3465 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3466 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3467 /* If tkind == 0: */
3468 /* star_match[0] is the game number */
3469 /* [1] is the white player's name */
3470 /* [2] is the black player's name */
3471 /* For end-of-game: */
3472 /* [3] is the reason for the game end */
3473 /* [4] is a PGN end game-token, preceded by " " */
3474 /* For start-of-game: */
3475 /* [3] begins with "Creating" or "Continuing" */
3476 /* [4] is " *" or empty (don't care). */
3477 int gamenum = atoi(star_match[0]);
3478 char *whitename, *blackname, *why, *endtoken;
3479 ChessMove endtype = (ChessMove) 0;
3482 whitename = star_match[1];
3483 blackname = star_match[2];
3484 why = star_match[3];
3485 endtoken = star_match[4];
3487 whitename = star_match[1];
3488 blackname = star_match[3];
3489 why = star_match[5];
3490 endtoken = star_match[6];
3493 /* Game start messages */
3494 if (strncmp(why, "Creating ", 9) == 0 ||
3495 strncmp(why, "Continuing ", 11) == 0) {
3496 gs_gamenum = gamenum;
3497 strcpy(gs_kind, strchr(why, ' ') + 1);
3498 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3500 if (appData.zippyPlay) {
3501 ZippyGameStart(whitename, blackname);
3504 partnerBoardValid = FALSE; // [HGM] bughouse
3508 /* Game end messages */
3509 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3510 ics_gamenum != gamenum) {
3513 while (endtoken[0] == ' ') endtoken++;
3514 switch (endtoken[0]) {
3517 endtype = GameUnfinished;
3520 endtype = BlackWins;
3523 if (endtoken[1] == '/')
3524 endtype = GameIsDrawn;
3526 endtype = WhiteWins;
3529 GameEnds(endtype, why, GE_ICS);
3531 if (appData.zippyPlay && first.initDone) {
3532 ZippyGameEnd(endtype, why);
3533 if (first.pr == NULL) {
3534 /* Start the next process early so that we'll
3535 be ready for the next challenge */
3536 StartChessProgram(&first);
3538 /* Send "new" early, in case this command takes
3539 a long time to finish, so that we'll be ready
3540 for the next challenge. */
3541 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3545 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3549 if (looking_at(buf, &i, "Removing game * from observation") ||
3550 looking_at(buf, &i, "no longer observing game *") ||
3551 looking_at(buf, &i, "Game * (*) has no examiners")) {
3552 if (gameMode == IcsObserving &&
3553 atoi(star_match[0]) == ics_gamenum)
3555 /* icsEngineAnalyze */
3556 if (appData.icsEngineAnalyze) {
3563 ics_user_moved = FALSE;
3568 if (looking_at(buf, &i, "no longer examining game *")) {
3569 if (gameMode == IcsExamining &&
3570 atoi(star_match[0]) == ics_gamenum)
3574 ics_user_moved = FALSE;
3579 /* Advance leftover_start past any newlines we find,
3580 so only partial lines can get reparsed */
3581 if (looking_at(buf, &i, "\n")) {
3582 prevColor = curColor;
3583 if (curColor != ColorNormal) {
3584 if (oldi > next_out) {
3585 SendToPlayer(&buf[next_out], oldi - next_out);
3588 Colorize(ColorNormal, FALSE);
3589 curColor = ColorNormal;
3591 if (started == STARTED_BOARD) {
3592 started = STARTED_NONE;
3593 parse[parse_pos] = NULLCHAR;
3594 ParseBoard12(parse);
3597 /* Send premove here */
3598 if (appData.premove) {
3600 if (currentMove == 0 &&
3601 gameMode == IcsPlayingWhite &&
3602 appData.premoveWhite) {
3603 sprintf(str, "%s\n", appData.premoveWhiteText);
3604 if (appData.debugMode)
3605 fprintf(debugFP, "Sending premove:\n");
3607 } else if (currentMove == 1 &&
3608 gameMode == IcsPlayingBlack &&
3609 appData.premoveBlack) {
3610 sprintf(str, "%s\n", appData.premoveBlackText);
3611 if (appData.debugMode)
3612 fprintf(debugFP, "Sending premove:\n");
3614 } else if (gotPremove) {
3616 ClearPremoveHighlights();
3617 if (appData.debugMode)
3618 fprintf(debugFP, "Sending premove:\n");
3619 UserMoveEvent(premoveFromX, premoveFromY,
3620 premoveToX, premoveToY,
3625 /* Usually suppress following prompt */
3626 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3627 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3628 if (looking_at(buf, &i, "*% ")) {
3629 savingComment = FALSE;
3634 } else if (started == STARTED_HOLDINGS) {
3636 char new_piece[MSG_SIZ];
3637 started = STARTED_NONE;
3638 parse[parse_pos] = NULLCHAR;
3639 if (appData.debugMode)
3640 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
3641 parse, currentMove);
3642 if (sscanf(parse, " game %d", &gamenum) == 1) {
3643 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
3644 if (gameInfo.variant == VariantNormal) {
3645 /* [HGM] We seem to switch variant during a game!
3646 * Presumably no holdings were displayed, so we have
3647 * to move the position two files to the right to
3648 * create room for them!
3650 VariantClass newVariant;
3651 switch(gameInfo.boardWidth) { // base guess on board width
3652 case 9: newVariant = VariantShogi; break;
3653 case 10: newVariant = VariantGreat; break;
3654 default: newVariant = VariantCrazyhouse; break;
3656 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3657 /* Get a move list just to see the header, which
3658 will tell us whether this is really bug or zh */
3659 if (ics_getting_history == H_FALSE) {
3660 ics_getting_history = H_REQUESTED;
3661 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3665 new_piece[0] = NULLCHAR;
3666 sscanf(parse, "game %d white [%s black [%s <- %s",
3667 &gamenum, white_holding, black_holding,
3669 white_holding[strlen(white_holding)-1] = NULLCHAR;
3670 black_holding[strlen(black_holding)-1] = NULLCHAR;
3671 /* [HGM] copy holdings to board holdings area */
3672 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
3673 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
3674 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
3676 if (appData.zippyPlay && first.initDone) {
3677 ZippyHoldings(white_holding, black_holding,
3681 if (tinyLayout || smallLayout) {
3682 char wh[16], bh[16];
3683 PackHolding(wh, white_holding);
3684 PackHolding(bh, black_holding);
3685 sprintf(str, "[%s-%s] %s-%s", wh, bh,
3686 gameInfo.white, gameInfo.black);
3688 sprintf(str, "%s [%s] vs. %s [%s]",
3689 gameInfo.white, white_holding,
3690 gameInfo.black, black_holding);
3692 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
3693 DrawPosition(FALSE, boards[currentMove]);
3695 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
3696 sscanf(parse, "game %d white [%s black [%s <- %s",
3697 &gamenum, white_holding, black_holding,
3699 white_holding[strlen(white_holding)-1] = NULLCHAR;
3700 black_holding[strlen(black_holding)-1] = NULLCHAR;
3701 /* [HGM] copy holdings to partner-board holdings area */
3702 CopyHoldings(partnerBoard, white_holding, WhitePawn);
3703 CopyHoldings(partnerBoard, black_holding, BlackPawn);
3704 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
3705 if(partnerUp) DrawPosition(FALSE, partnerBoard);
3706 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
3709 /* Suppress following prompt */
3710 if (looking_at(buf, &i, "*% ")) {
3711 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
3712 savingComment = FALSE;
3720 i++; /* skip unparsed character and loop back */
3723 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
3724 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
3725 // SendToPlayer(&buf[next_out], i - next_out);
3726 started != STARTED_HOLDINGS && leftover_start > next_out) {
3727 SendToPlayer(&buf[next_out], leftover_start - next_out);
3731 leftover_len = buf_len - leftover_start;
3732 /* if buffer ends with something we couldn't parse,
3733 reparse it after appending the next read */
3735 } else if (count == 0) {
3736 RemoveInputSource(isr);
3737 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
3739 DisplayFatalError(_("Error reading from ICS"), error, 1);
3744 /* Board style 12 looks like this:
3746 <12> r-b---k- pp----pp ---bP--- ---p---- q------- ------P- P--Q--BP -----R-K W -1 0 0 0 0 0 0 paf MaxII 0 2 12 21 25 234 174 24 Q/d7-a4 (0:06) Qxa4 0 0
3748 * The "<12> " is stripped before it gets to this routine. The two
3749 * trailing 0's (flip state and clock ticking) are later addition, and
3750 * some chess servers may not have them, or may have only the first.
3751 * Additional trailing fields may be added in the future.
3754 #define PATTERN "%c%d%d%d%d%d%d%d%s%s%d%d%d%d%d%d%d%d%s%s%s%d%d"
3756 #define RELATION_OBSERVING_PLAYED 0
3757 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
3758 #define RELATION_PLAYING_MYMOVE 1
3759 #define RELATION_PLAYING_NOTMYMOVE -1
3760 #define RELATION_EXAMINING 2
3761 #define RELATION_ISOLATED_BOARD -3
3762 #define RELATION_STARTING_POSITION -4 /* FICS only */
3765 ParseBoard12(string)
3768 GameMode newGameMode;
3769 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
3770 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
3771 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
3772 char to_play, board_chars[200];
3773 char move_str[500], str[500], elapsed_time[500];
3774 char black[32], white[32];
3776 int prevMove = currentMove;
3779 int fromX, fromY, toX, toY;
3781 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
3782 char *bookHit = NULL; // [HGM] book
3783 Boolean weird = FALSE, reqFlag = FALSE;
3785 fromX = fromY = toX = toY = -1;
3789 if (appData.debugMode)
3790 fprintf(debugFP, _("Parsing board: %s\n"), string);
3792 move_str[0] = NULLCHAR;
3793 elapsed_time[0] = NULLCHAR;
3794 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
3796 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
3797 if(string[i] == ' ') { ranks++; files = 0; }
3799 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
3802 for(j = 0; j <i; j++) board_chars[j] = string[j];
3803 board_chars[i] = '\0';
3806 n = sscanf(string, PATTERN, &to_play, &double_push,
3807 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
3808 &gamenum, white, black, &relation, &basetime, &increment,
3809 &white_stren, &black_stren, &white_time, &black_time,
3810 &moveNum, str, elapsed_time, move_str, &ics_flip,
3814 snprintf(str, sizeof(str), _("Failed to parse board string:\n\"%s\""), string);
3815 DisplayError(str, 0);
3819 /* Convert the move number to internal form */
3820 moveNum = (moveNum - 1) * 2;
3821 if (to_play == 'B') moveNum++;
3822 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
3823 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
3829 case RELATION_OBSERVING_PLAYED:
3830 case RELATION_OBSERVING_STATIC:
3831 if (gamenum == -1) {
3832 /* Old ICC buglet */
3833 relation = RELATION_OBSERVING_STATIC;
3835 newGameMode = IcsObserving;
3837 case RELATION_PLAYING_MYMOVE:
3838 case RELATION_PLAYING_NOTMYMOVE:
3840 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
3841 IcsPlayingWhite : IcsPlayingBlack;
3843 case RELATION_EXAMINING:
3844 newGameMode = IcsExamining;
3846 case RELATION_ISOLATED_BOARD:
3848 /* Just display this board. If user was doing something else,
3849 we will forget about it until the next board comes. */
3850 newGameMode = IcsIdle;
3852 case RELATION_STARTING_POSITION:
3853 newGameMode = gameMode;
3857 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
3858 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
3859 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
3861 for (k = 0; k < ranks; k++) {
3862 for (j = 0; j < files; j++)
3863 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
3864 if(gameInfo.holdingsWidth > 1) {
3865 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
3866 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
3869 CopyBoard(partnerBoard, board);
3870 if(toSqr = strchr(str, '/')) { // extract highlights from long move
3871 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
3872 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
3873 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
3874 if(toSqr = strchr(str, '-')) {
3875 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
3876 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
3877 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
3878 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
3879 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
3880 if(partnerUp) DrawPosition(FALSE, partnerBoard);
3881 if(twoBoards) { partnerUp = 0; flipView = !flipView; } // [HGM] dual
3882 sprintf(partnerStatus, "W: %d:%02d B: %d:%02d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
3883 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
3884 DisplayMessage(partnerStatus, "");
3885 partnerBoardValid = TRUE;
3889 /* Modify behavior for initial board display on move listing
3892 switch (ics_getting_history) {
3896 case H_GOT_REQ_HEADER:
3897 case H_GOT_UNREQ_HEADER:
3898 /* This is the initial position of the current game */
3899 gamenum = ics_gamenum;
3900 moveNum = 0; /* old ICS bug workaround */
3901 if (to_play == 'B') {
3902 startedFromSetupPosition = TRUE;
3903 blackPlaysFirst = TRUE;
3905 if (forwardMostMove == 0) forwardMostMove = 1;
3906 if (backwardMostMove == 0) backwardMostMove = 1;
3907 if (currentMove == 0) currentMove = 1;
3909 newGameMode = gameMode;
3910 relation = RELATION_STARTING_POSITION; /* ICC needs this */
3912 case H_GOT_UNWANTED_HEADER:
3913 /* This is an initial board that we don't want */
3915 case H_GETTING_MOVES:
3916 /* Should not happen */
3917 DisplayError(_("Error gathering move list: extra board"), 0);
3918 ics_getting_history = H_FALSE;
3922 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
3923 weird && (int)gameInfo.variant <= (int)VariantShogi) {
3924 /* [HGM] We seem to have switched variant unexpectedly
3925 * Try to guess new variant from board size
3927 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
3928 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
3929 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
3930 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
3931 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
3932 if(!weird) newVariant = VariantNormal;
3933 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3934 /* Get a move list just to see the header, which
3935 will tell us whether this is really bug or zh */
3936 if (ics_getting_history == H_FALSE) {
3937 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
3938 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3943 /* Take action if this is the first board of a new game, or of a
3944 different game than is currently being displayed. */
3945 if (gamenum != ics_gamenum || newGameMode != gameMode ||
3946 relation == RELATION_ISOLATED_BOARD) {
3948 /* Forget the old game and get the history (if any) of the new one */
3949 if (gameMode != BeginningOfGame) {
3953 if (appData.autoRaiseBoard) BoardToTop();
3955 if (gamenum == -1) {
3956 newGameMode = IcsIdle;
3957 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
3958 appData.getMoveList && !reqFlag) {
3959 /* Need to get game history */
3960 ics_getting_history = H_REQUESTED;
3961 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3965 /* Initially flip the board to have black on the bottom if playing
3966 black or if the ICS flip flag is set, but let the user change
3967 it with the Flip View button. */
3968 flipView = appData.autoFlipView ?
3969 (newGameMode == IcsPlayingBlack) || ics_flip :
3972 /* Done with values from previous mode; copy in new ones */
3973 gameMode = newGameMode;
3975 ics_gamenum = gamenum;
3976 if (gamenum == gs_gamenum) {
3977 int klen = strlen(gs_kind);
3978 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
3979 sprintf(str, "ICS %s", gs_kind);
3980 gameInfo.event = StrSave(str);
3982 gameInfo.event = StrSave("ICS game");
3984 gameInfo.site = StrSave(appData.icsHost);
3985 gameInfo.date = PGNDate();
3986 gameInfo.round = StrSave("-");
3987 gameInfo.white = StrSave(white);
3988 gameInfo.black = StrSave(black);
3989 timeControl = basetime * 60 * 1000;
3991 timeIncrement = increment * 1000;
3992 movesPerSession = 0;
3993 gameInfo.timeControl = TimeControlTagValue();
3994 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
3995 if (appData.debugMode) {
3996 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
3997 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
3998 setbuf(debugFP, NULL);
4001 gameInfo.outOfBook = NULL;
4003 /* Do we have the ratings? */
4004 if (strcmp(player1Name, white) == 0 &&
4005 strcmp(player2Name, black) == 0) {
4006 if (appData.debugMode)
4007 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4008 player1Rating, player2Rating);
4009 gameInfo.whiteRating = player1Rating;
4010 gameInfo.blackRating = player2Rating;
4011 } else if (strcmp(player2Name, white) == 0 &&
4012 strcmp(player1Name, black) == 0) {
4013 if (appData.debugMode)
4014 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4015 player2Rating, player1Rating);
4016 gameInfo.whiteRating = player2Rating;
4017 gameInfo.blackRating = player1Rating;
4019 player1Name[0] = player2Name[0] = NULLCHAR;
4021 /* Silence shouts if requested */
4022 if (appData.quietPlay &&
4023 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4024 SendToICS(ics_prefix);
4025 SendToICS("set shout 0\n");
4029 /* Deal with midgame name changes */
4031 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4032 if (gameInfo.white) free(gameInfo.white);
4033 gameInfo.white = StrSave(white);
4035 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4036 if (gameInfo.black) free(gameInfo.black);
4037 gameInfo.black = StrSave(black);
4041 /* Throw away game result if anything actually changes in examine mode */
4042 if (gameMode == IcsExamining && !newGame) {
4043 gameInfo.result = GameUnfinished;
4044 if (gameInfo.resultDetails != NULL) {
4045 free(gameInfo.resultDetails);
4046 gameInfo.resultDetails = NULL;
4050 /* In pausing && IcsExamining mode, we ignore boards coming
4051 in if they are in a different variation than we are. */
4052 if (pauseExamInvalid) return;
4053 if (pausing && gameMode == IcsExamining) {
4054 if (moveNum <= pauseExamForwardMostMove) {
4055 pauseExamInvalid = TRUE;
4056 forwardMostMove = pauseExamForwardMostMove;
4061 if (appData.debugMode) {
4062 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4064 /* Parse the board */
4065 for (k = 0; k < ranks; k++) {
4066 for (j = 0; j < files; j++)
4067 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4068 if(gameInfo.holdingsWidth > 1) {
4069 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4070 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4073 CopyBoard(boards[moveNum], board);
4074 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4076 startedFromSetupPosition =
4077 !CompareBoards(board, initialPosition);
4078 if(startedFromSetupPosition)
4079 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4082 /* [HGM] Set castling rights. Take the outermost Rooks,
4083 to make it also work for FRC opening positions. Note that board12
4084 is really defective for later FRC positions, as it has no way to
4085 indicate which Rook can castle if they are on the same side of King.
4086 For the initial position we grant rights to the outermost Rooks,
4087 and remember thos rights, and we then copy them on positions
4088 later in an FRC game. This means WB might not recognize castlings with
4089 Rooks that have moved back to their original position as illegal,
4090 but in ICS mode that is not its job anyway.
4092 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4093 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4095 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4096 if(board[0][i] == WhiteRook) j = i;
4097 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4098 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4099 if(board[0][i] == WhiteRook) j = i;
4100 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4101 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4102 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4103 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4104 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4105 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4106 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4108 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4109 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4110 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4111 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4112 if(board[BOARD_HEIGHT-1][k] == bKing)
4113 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4114 if(gameInfo.variant == VariantTwoKings) {
4115 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4116 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4117 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4120 r = boards[moveNum][CASTLING][0] = initialRights[0];
4121 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4122 r = boards[moveNum][CASTLING][1] = initialRights[1];
4123 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4124 r = boards[moveNum][CASTLING][3] = initialRights[3];
4125 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4126 r = boards[moveNum][CASTLING][4] = initialRights[4];
4127 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4128 /* wildcastle kludge: always assume King has rights */
4129 r = boards[moveNum][CASTLING][2] = initialRights[2];
4130 r = boards[moveNum][CASTLING][5] = initialRights[5];
4132 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4133 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4136 if (ics_getting_history == H_GOT_REQ_HEADER ||
4137 ics_getting_history == H_GOT_UNREQ_HEADER) {
4138 /* This was an initial position from a move list, not
4139 the current position */
4143 /* Update currentMove and known move number limits */
4144 newMove = newGame || moveNum > forwardMostMove;
4147 forwardMostMove = backwardMostMove = currentMove = moveNum;
4148 if (gameMode == IcsExamining && moveNum == 0) {
4149 /* Workaround for ICS limitation: we are not told the wild
4150 type when starting to examine a game. But if we ask for
4151 the move list, the move list header will tell us */
4152 ics_getting_history = H_REQUESTED;
4153 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
4156 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4157 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4159 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4160 /* [HGM] applied this also to an engine that is silently watching */
4161 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4162 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4163 gameInfo.variant == currentlyInitializedVariant) {
4164 takeback = forwardMostMove - moveNum;
4165 for (i = 0; i < takeback; i++) {
4166 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4167 SendToProgram("undo\n", &first);
4172 forwardMostMove = moveNum;
4173 if (!pausing || currentMove > forwardMostMove)
4174 currentMove = forwardMostMove;
4176 /* New part of history that is not contiguous with old part */
4177 if (pausing && gameMode == IcsExamining) {
4178 pauseExamInvalid = TRUE;
4179 forwardMostMove = pauseExamForwardMostMove;
4182 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4184 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4185 // [HGM] when we will receive the move list we now request, it will be
4186 // fed to the engine from the first move on. So if the engine is not
4187 // in the initial position now, bring it there.
4188 InitChessProgram(&first, 0);
4191 ics_getting_history = H_REQUESTED;
4192 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
4195 forwardMostMove = backwardMostMove = currentMove = moveNum;
4198 /* Update the clocks */
4199 if (strchr(elapsed_time, '.')) {
4201 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4202 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4204 /* Time is in seconds */
4205 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4206 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4211 if (appData.zippyPlay && newGame &&
4212 gameMode != IcsObserving && gameMode != IcsIdle &&
4213 gameMode != IcsExamining)
4214 ZippyFirstBoard(moveNum, basetime, increment);
4217 /* Put the move on the move list, first converting
4218 to canonical algebraic form. */
4220 if (appData.debugMode) {
4221 if (appData.debugMode) { int f = forwardMostMove;
4222 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4223 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4224 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4226 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4227 fprintf(debugFP, "moveNum = %d\n", moveNum);
4228 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4229 setbuf(debugFP, NULL);
4231 if (moveNum <= backwardMostMove) {
4232 /* We don't know what the board looked like before
4234 strcpy(parseList[moveNum - 1], move_str);
4235 strcat(parseList[moveNum - 1], " ");
4236 strcat(parseList[moveNum - 1], elapsed_time);
4237 moveList[moveNum - 1][0] = NULLCHAR;
4238 } else if (strcmp(move_str, "none") == 0) {
4239 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4240 /* Again, we don't know what the board looked like;
4241 this is really the start of the game. */
4242 parseList[moveNum - 1][0] = NULLCHAR;
4243 moveList[moveNum - 1][0] = NULLCHAR;
4244 backwardMostMove = moveNum;
4245 startedFromSetupPosition = TRUE;
4246 fromX = fromY = toX = toY = -1;
4248 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4249 // So we parse the long-algebraic move string in stead of the SAN move
4250 int valid; char buf[MSG_SIZ], *prom;
4252 // str looks something like "Q/a1-a2"; kill the slash
4254 sprintf(buf, "%c%s", str[0], str+2);
4255 else strcpy(buf, str); // might be castling
4256 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4257 strcat(buf, prom); // long move lacks promo specification!
4258 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4259 if(appData.debugMode)
4260 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4261 strcpy(move_str, buf);
4263 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4264 &fromX, &fromY, &toX, &toY, &promoChar)
4265 || ParseOneMove(buf, moveNum - 1, &moveType,
4266 &fromX, &fromY, &toX, &toY, &promoChar);
4267 // end of long SAN patch
4269 (void) CoordsToAlgebraic(boards[moveNum - 1],
4270 PosFlags(moveNum - 1),
4271 fromY, fromX, toY, toX, promoChar,
4272 parseList[moveNum-1]);
4273 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4279 if(gameInfo.variant != VariantShogi)
4280 strcat(parseList[moveNum - 1], "+");
4283 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4284 strcat(parseList[moveNum - 1], "#");
4287 strcat(parseList[moveNum - 1], " ");
4288 strcat(parseList[moveNum - 1], elapsed_time);
4289 /* currentMoveString is set as a side-effect of ParseOneMove */
4290 strcpy(moveList[moveNum - 1], currentMoveString);
4291 strcat(moveList[moveNum - 1], "\n");
4293 /* Move from ICS was illegal!? Punt. */
4294 if (appData.debugMode) {
4295 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4296 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4298 strcpy(parseList[moveNum - 1], move_str);
4299 strcat(parseList[moveNum - 1], " ");
4300 strcat(parseList[moveNum - 1], elapsed_time);
4301 moveList[moveNum - 1][0] = NULLCHAR;
4302 fromX = fromY = toX = toY = -1;
4305 if (appData.debugMode) {
4306 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4307 setbuf(debugFP, NULL);
4311 /* Send move to chess program (BEFORE animating it). */
4312 if (appData.zippyPlay && !newGame && newMove &&
4313 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4315 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4316 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4317 if (moveList[moveNum - 1][0] == NULLCHAR) {
4318 sprintf(str, _("Couldn't parse move \"%s\" from ICS"),
4320 DisplayError(str, 0);
4322 if (first.sendTime) {
4323 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4325 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4326 if (firstMove && !bookHit) {
4328 if (first.useColors) {
4329 SendToProgram(gameMode == IcsPlayingWhite ?
4331 "black\ngo\n", &first);
4333 SendToProgram("go\n", &first);
4335 first.maybeThinking = TRUE;
4338 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4339 if (moveList[moveNum - 1][0] == NULLCHAR) {
4340 sprintf(str, _("Couldn't parse move \"%s\" from ICS"), move_str);
4341 DisplayError(str, 0);
4343 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4344 SendMoveToProgram(moveNum - 1, &first);
4351 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4352 /* If move comes from a remote source, animate it. If it
4353 isn't remote, it will have already been animated. */
4354 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4355 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4357 if (!pausing && appData.highlightLastMove) {
4358 SetHighlights(fromX, fromY, toX, toY);
4362 /* Start the clocks */
4363 whiteFlag = blackFlag = FALSE;
4364 appData.clockMode = !(basetime == 0 && increment == 0);
4366 ics_clock_paused = TRUE;
4368 } else if (ticking == 1) {
4369 ics_clock_paused = FALSE;
4371 if (gameMode == IcsIdle ||
4372 relation == RELATION_OBSERVING_STATIC ||
4373 relation == RELATION_EXAMINING ||
4375 DisplayBothClocks();
4379 /* Display opponents and material strengths */
4380 if (gameInfo.variant != VariantBughouse &&
4381 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4382 if (tinyLayout || smallLayout) {
4383 if(gameInfo.variant == VariantNormal)
4384 sprintf(str, "%s(%d) %s(%d) {%d %d}",
4385 gameInfo.white, white_stren, gameInfo.black, black_stren,
4386 basetime, increment);
4388 sprintf(str, "%s(%d) %s(%d) {%d %d w%d}",
4389 gameInfo.white, white_stren, gameInfo.black, black_stren,
4390 basetime, increment, (int) gameInfo.variant);
4392 if(gameInfo.variant == VariantNormal)
4393 sprintf(str, "%s (%d) vs. %s (%d) {%d %d}",
4394 gameInfo.white, white_stren, gameInfo.black, black_stren,
4395 basetime, increment);
4397 sprintf(str, "%s (%d) vs. %s (%d) {%d %d %s}",
4398 gameInfo.white, white_stren, gameInfo.black, black_stren,
4399 basetime, increment, VariantName(gameInfo.variant));
4402 if (appData.debugMode) {
4403 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4408 /* Display the board */
4409 if (!pausing && !appData.noGUI) {
4411 if (appData.premove)
4413 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4414 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4415 ClearPremoveHighlights();
4417 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4418 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4419 DrawPosition(j, boards[currentMove]);
4421 DisplayMove(moveNum - 1);
4422 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4423 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4424 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4425 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4429 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4431 if(bookHit) { // [HGM] book: simulate book reply
4432 static char bookMove[MSG_SIZ]; // a bit generous?
4434 programStats.nodes = programStats.depth = programStats.time =
4435 programStats.score = programStats.got_only_move = 0;
4436 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4438 strcpy(bookMove, "move ");
4439 strcat(bookMove, bookHit);
4440 HandleMachineMove(bookMove, &first);
4449 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4450 ics_getting_history = H_REQUESTED;
4451 sprintf(buf, "%smoves %d\n", ics_prefix, ics_gamenum);
4457 AnalysisPeriodicEvent(force)
4460 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4461 && !force) || !appData.periodicUpdates)
4464 /* Send . command to Crafty to collect stats */
4465 SendToProgram(".\n", &first);
4467 /* Don't send another until we get a response (this makes
4468 us stop sending to old Crafty's which don't understand
4469 the "." command (sending illegal cmds resets node count & time,
4470 which looks bad)) */
4471 programStats.ok_to_send = 0;
4474 void ics_update_width(new_width)
4477 ics_printf("set width %d\n", new_width);
4481 SendMoveToProgram(moveNum, cps)
4483 ChessProgramState *cps;
4487 if (cps->useUsermove) {
4488 SendToProgram("usermove ", cps);
4492 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4493 int len = space - parseList[moveNum];
4494 memcpy(buf, parseList[moveNum], len);
4496 buf[len] = NULLCHAR;
4498 sprintf(buf, "%s\n", parseList[moveNum]);
4500 SendToProgram(buf, cps);
4502 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4503 AlphaRank(moveList[moveNum], 4);
4504 SendToProgram(moveList[moveNum], cps);
4505 AlphaRank(moveList[moveNum], 4); // and back
4507 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4508 * the engine. It would be nice to have a better way to identify castle
4510 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4511 && cps->useOOCastle) {
4512 int fromX = moveList[moveNum][0] - AAA;
4513 int fromY = moveList[moveNum][1] - ONE;
4514 int toX = moveList[moveNum][2] - AAA;
4515 int toY = moveList[moveNum][3] - ONE;
4516 if((boards[moveNum][fromY][fromX] == WhiteKing
4517 && boards[moveNum][toY][toX] == WhiteRook)
4518 || (boards[moveNum][fromY][fromX] == BlackKing
4519 && boards[moveNum][toY][toX] == BlackRook)) {
4520 if(toX > fromX) SendToProgram("O-O\n", cps);
4521 else SendToProgram("O-O-O\n", cps);
4523 else SendToProgram(moveList[moveNum], cps);
4525 else SendToProgram(moveList[moveNum], cps);
4526 /* End of additions by Tord */
4529 /* [HGM] setting up the opening has brought engine in force mode! */
4530 /* Send 'go' if we are in a mode where machine should play. */
4531 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4532 (gameMode == TwoMachinesPlay ||
4534 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4536 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4537 SendToProgram("go\n", cps);
4538 if (appData.debugMode) {
4539 fprintf(debugFP, "(extra)\n");
4542 setboardSpoiledMachineBlack = 0;
4546 SendMoveToICS(moveType, fromX, fromY, toX, toY)
4548 int fromX, fromY, toX, toY;
4550 char user_move[MSG_SIZ];
4554 sprintf(user_move, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4555 (int)moveType, fromX, fromY, toX, toY);
4556 DisplayError(user_move + strlen("say "), 0);
4558 case WhiteKingSideCastle:
4559 case BlackKingSideCastle:
4560 case WhiteQueenSideCastleWild:
4561 case BlackQueenSideCastleWild:
4563 case WhiteHSideCastleFR:
4564 case BlackHSideCastleFR:
4566 sprintf(user_move, "o-o\n");
4568 case WhiteQueenSideCastle:
4569 case BlackQueenSideCastle:
4570 case WhiteKingSideCastleWild:
4571 case BlackKingSideCastleWild:
4573 case WhiteASideCastleFR:
4574 case BlackASideCastleFR:
4576 sprintf(user_move, "o-o-o\n");
4578 case WhitePromotionQueen:
4579 case BlackPromotionQueen:
4580 case WhitePromotionRook:
4581 case BlackPromotionRook:
4582 case WhitePromotionBishop:
4583 case BlackPromotionBishop:
4584 case WhitePromotionKnight:
4585 case BlackPromotionKnight:
4586 case WhitePromotionKing:
4587 case BlackPromotionKing:
4588 case WhitePromotionChancellor:
4589 case BlackPromotionChancellor:
4590 case WhitePromotionArchbishop:
4591 case BlackPromotionArchbishop:
4592 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4593 sprintf(user_move, "%c%c%c%c=%c\n",
4594 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4595 PieceToChar(WhiteFerz));
4596 else if(gameInfo.variant == VariantGreat)
4597 sprintf(user_move, "%c%c%c%c=%c\n",
4598 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4599 PieceToChar(WhiteMan));
4601 sprintf(user_move, "%c%c%c%c=%c\n",
4602 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4603 PieceToChar(PromoPiece(moveType)));
4607 sprintf(user_move, "%c@%c%c\n",
4608 ToUpper(PieceToChar((ChessSquare) fromX)),
4609 AAA + toX, ONE + toY);
4612 case WhiteCapturesEnPassant:
4613 case BlackCapturesEnPassant:
4614 case IllegalMove: /* could be a variant we don't quite understand */
4615 sprintf(user_move, "%c%c%c%c\n",
4616 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4619 SendToICS(user_move);
4620 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
4621 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
4626 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
4627 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
4628 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
4629 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
4630 DisplayError("You cannot do this while you are playing or observing", 0);
4633 if(gameMode != IcsExamining) { // is this ever not the case?
4634 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
4636 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
4637 sprintf(command, "match %s", ics_handle);
4638 } else { // on FICS we must first go to general examine mode
4639 strcpy(command, "examine\nbsetup"); // and specify variant within it with bsetups
4641 if(gameInfo.variant != VariantNormal) {
4642 // try figure out wild number, as xboard names are not always valid on ICS
4643 for(i=1; i<=36; i++) {
4644 sprintf(buf, "wild/%d", i);
4645 if(StringToVariant(buf) == gameInfo.variant) break;
4647 if(i<=36 && ics_type == ICS_ICC) sprintf(buf, "%s w%d\n", command, i);
4648 else if(i == 22) sprintf(buf, "%s fr\n", command);
4649 else sprintf(buf, "%s %s\n", command, VariantName(gameInfo.variant));
4650 } else sprintf(buf, "%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
4651 SendToICS(ics_prefix);
4653 if(startedFromSetupPosition || backwardMostMove != 0) {
4654 fen = PositionToFEN(backwardMostMove, NULL);
4655 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
4656 sprintf(buf, "loadfen %s\n", fen);
4658 } else { // FICS: everything has to set by separate bsetup commands
4659 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
4660 sprintf(buf, "bsetup fen %s\n", fen);
4662 if(!WhiteOnMove(backwardMostMove)) {
4663 SendToICS("bsetup tomove black\n");
4665 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
4666 sprintf(buf, "bsetup wcastle %s\n", castlingStrings[i]);
4668 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
4669 sprintf(buf, "bsetup bcastle %s\n", castlingStrings[i]);
4671 i = boards[backwardMostMove][EP_STATUS];
4672 if(i >= 0) { // set e.p.
4673 sprintf(buf, "bsetup eppos %c\n", i+AAA);
4679 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
4680 SendToICS("bsetup done\n"); // switch to normal examining.
4682 for(i = backwardMostMove; i<last; i++) {
4684 sprintf(buf, "%s\n", parseList[i]);
4687 SendToICS(ics_prefix);
4688 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
4692 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
4697 if (rf == DROP_RANK) {
4698 sprintf(move, "%c@%c%c\n",
4699 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
4701 if (promoChar == 'x' || promoChar == NULLCHAR) {
4702 sprintf(move, "%c%c%c%c\n",
4703 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
4705 sprintf(move, "%c%c%c%c%c\n",
4706 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
4712 ProcessICSInitScript(f)
4717 while (fgets(buf, MSG_SIZ, f)) {
4718 SendToICSDelayed(buf,(long)appData.msLoginDelay);
4725 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
4727 AlphaRank(char *move, int n)
4729 // char *p = move, c; int x, y;
4731 if (appData.debugMode) {
4732 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
4736 move[2]>='0' && move[2]<='9' &&
4737 move[3]>='a' && move[3]<='x' ) {
4739 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4740 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4742 if(move[0]>='0' && move[0]<='9' &&
4743 move[1]>='a' && move[1]<='x' &&
4744 move[2]>='0' && move[2]<='9' &&
4745 move[3]>='a' && move[3]<='x' ) {
4746 /* input move, Shogi -> normal */
4747 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
4748 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
4749 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4750 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4753 move[3]>='0' && move[3]<='9' &&
4754 move[2]>='a' && move[2]<='x' ) {
4756 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4757 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4760 move[0]>='a' && move[0]<='x' &&
4761 move[3]>='0' && move[3]<='9' &&
4762 move[2]>='a' && move[2]<='x' ) {
4763 /* output move, normal -> Shogi */
4764 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
4765 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
4766 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4767 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4768 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
4770 if (appData.debugMode) {
4771 fprintf(debugFP, " out = '%s'\n", move);
4775 char yy_textstr[8000];
4777 /* Parser for moves from gnuchess, ICS, or user typein box */
4779 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
4782 ChessMove *moveType;
4783 int *fromX, *fromY, *toX, *toY;
4786 if (appData.debugMode) {
4787 fprintf(debugFP, "move to parse: %s\n", move);
4789 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
4791 switch (*moveType) {
4792 case WhitePromotionChancellor:
4793 case BlackPromotionChancellor:
4794 case WhitePromotionArchbishop:
4795 case BlackPromotionArchbishop:
4796 case WhitePromotionQueen:
4797 case BlackPromotionQueen:
4798 case WhitePromotionRook:
4799 case BlackPromotionRook:
4800 case WhitePromotionBishop:
4801 case BlackPromotionBishop:
4802 case WhitePromotionKnight:
4803 case BlackPromotionKnight:
4804 case WhitePromotionKing:
4805 case BlackPromotionKing:
4807 case WhiteCapturesEnPassant:
4808 case BlackCapturesEnPassant:
4809 case WhiteKingSideCastle:
4810 case WhiteQueenSideCastle:
4811 case BlackKingSideCastle:
4812 case BlackQueenSideCastle:
4813 case WhiteKingSideCastleWild:
4814 case WhiteQueenSideCastleWild:
4815 case BlackKingSideCastleWild:
4816 case BlackQueenSideCastleWild:
4817 /* Code added by Tord: */
4818 case WhiteHSideCastleFR:
4819 case WhiteASideCastleFR:
4820 case BlackHSideCastleFR:
4821 case BlackASideCastleFR:
4822 /* End of code added by Tord */
4823 case IllegalMove: /* bug or odd chess variant */
4824 *fromX = currentMoveString[0] - AAA;
4825 *fromY = currentMoveString[1] - ONE;
4826 *toX = currentMoveString[2] - AAA;
4827 *toY = currentMoveString[3] - ONE;
4828 *promoChar = currentMoveString[4];
4829 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
4830 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
4831 if (appData.debugMode) {
4832 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
4834 *fromX = *fromY = *toX = *toY = 0;
4837 if (appData.testLegality) {
4838 return (*moveType != IllegalMove);
4840 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
4841 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
4846 *fromX = *moveType == WhiteDrop ?
4847 (int) CharToPiece(ToUpper(currentMoveString[0])) :
4848 (int) CharToPiece(ToLower(currentMoveString[0]));
4850 *toX = currentMoveString[2] - AAA;
4851 *toY = currentMoveString[3] - ONE;
4852 *promoChar = NULLCHAR;
4856 case ImpossibleMove:
4857 case (ChessMove) 0: /* end of file */
4866 if (appData.debugMode) {
4867 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
4870 *fromX = *fromY = *toX = *toY = 0;
4871 *promoChar = NULLCHAR;
4878 ParsePV(char *pv, Boolean storeComments)
4879 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
4880 int fromX, fromY, toX, toY; char promoChar;
4885 endPV = forwardMostMove;
4887 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
4888 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
4889 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
4890 if(appData.debugMode){
4891 fprintf(debugFP,"parsePV: %d %c%c%c%c yy='%s'\nPV = '%s'\n", valid, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, yy_textstr, pv);
4893 if(!valid && nr == 0 &&
4894 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
4895 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
4896 // Hande case where played move is different from leading PV move
4897 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
4898 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
4899 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
4900 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
4901 endPV += 2; // if position different, keep this
4902 moveList[endPV-1][0] = fromX + AAA;
4903 moveList[endPV-1][1] = fromY + ONE;
4904 moveList[endPV-1][2] = toX + AAA;
4905 moveList[endPV-1][3] = toY + ONE;
4906 parseList[endPV-1][0] = NULLCHAR;
4907 strcpy(moveList[endPV-2], "_0_0"); // suppress premove highlight on takeback move
4910 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
4911 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
4912 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
4913 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
4914 valid++; // allow comments in PV
4918 if(endPV+1 > framePtr) break; // no space, truncate
4921 CopyBoard(boards[endPV], boards[endPV-1]);
4922 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
4923 moveList[endPV-1][0] = fromX + AAA;
4924 moveList[endPV-1][1] = fromY + ONE;
4925 moveList[endPV-1][2] = toX + AAA;
4926 moveList[endPV-1][3] = toY + ONE;
4928 CoordsToAlgebraic(boards[endPV - 1],
4929 PosFlags(endPV - 1),
4930 fromY, fromX, toY, toX, promoChar,
4931 parseList[endPV - 1]);
4933 parseList[endPV-1][0] = NULLCHAR;
4935 currentMove = endPV;
4936 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
4937 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
4938 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
4939 DrawPosition(TRUE, boards[currentMove]);
4942 static int lastX, lastY;
4945 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
4950 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
4951 lastX = x; lastY = y;
4952 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
4954 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
4955 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
4957 do{ while(buf[index] && buf[index] != '\n') index++;
4958 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
4960 ParsePV(buf+startPV, FALSE);
4961 *start = startPV; *end = index-1;
4966 LoadPV(int x, int y)
4967 { // called on right mouse click to load PV
4968 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
4969 lastX = x; lastY = y;
4970 ParsePV(lastPV[which], FALSE); // load the PV of the thinking engine in the boards array.
4977 if(endPV < 0) return;
4979 currentMove = forwardMostMove;
4980 ClearPremoveHighlights();
4981 DrawPosition(TRUE, boards[currentMove]);
4985 MovePV(int x, int y, int h)
4986 { // step through PV based on mouse coordinates (called on mouse move)
4987 int margin = h>>3, step = 0;
4989 if(endPV < 0) return;
4990 // we must somehow check if right button is still down (might be released off board!)
4991 if(y < margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = 1; else
4992 if(y > h - margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = -1; else
4993 if( y > lastY + 6 ) step = -1; else if(y < lastY - 6) step = 1;
4995 lastX = x; lastY = y;
4996 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
4997 currentMove += step;
4998 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
4999 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5000 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5001 DrawPosition(FALSE, boards[currentMove]);
5005 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5006 // All positions will have equal probability, but the current method will not provide a unique
5007 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5013 int piecesLeft[(int)BlackPawn];
5014 int seed, nrOfShuffles;
5016 void GetPositionNumber()
5017 { // sets global variable seed
5020 seed = appData.defaultFrcPosition;
5021 if(seed < 0) { // randomize based on time for negative FRC position numbers
5022 for(i=0; i<50; i++) seed += random();
5023 seed = random() ^ random() >> 8 ^ random() << 8;
5024 if(seed<0) seed = -seed;
5028 int put(Board board, int pieceType, int rank, int n, int shade)
5029 // put the piece on the (n-1)-th empty squares of the given shade
5033 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5034 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5035 board[rank][i] = (ChessSquare) pieceType;
5036 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5038 piecesLeft[pieceType]--;
5046 void AddOnePiece(Board board, int pieceType, int rank, int shade)
5047 // calculate where the next piece goes, (any empty square), and put it there
5051 i = seed % squaresLeft[shade];
5052 nrOfShuffles *= squaresLeft[shade];
5053 seed /= squaresLeft[shade];
5054 put(board, pieceType, rank, i, shade);
5057 void AddTwoPieces(Board board, int pieceType, int rank)
5058 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5060 int i, n=squaresLeft[ANY], j=n-1, k;
5062 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5063 i = seed % k; // pick one
5066 while(i >= j) i -= j--;
5067 j = n - 1 - j; i += j;
5068 put(board, pieceType, rank, j, ANY);
5069 put(board, pieceType, rank, i, ANY);
5072 void SetUpShuffle(Board board, int number)
5076 GetPositionNumber(); nrOfShuffles = 1;
5078 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5079 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5080 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5082 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5084 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5085 p = (int) board[0][i];
5086 if(p < (int) BlackPawn) piecesLeft[p] ++;
5087 board[0][i] = EmptySquare;
5090 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5091 // shuffles restricted to allow normal castling put KRR first
5092 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5093 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5094 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5095 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5096 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5097 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5098 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5099 put(board, WhiteRook, 0, 0, ANY);
5100 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5103 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5104 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5105 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5106 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5107 while(piecesLeft[p] >= 2) {
5108 AddOnePiece(board, p, 0, LITE);
5109 AddOnePiece(board, p, 0, DARK);
5111 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5114 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5115 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5116 // but we leave King and Rooks for last, to possibly obey FRC restriction
5117 if(p == (int)WhiteRook) continue;
5118 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5119 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5122 // now everything is placed, except perhaps King (Unicorn) and Rooks
5124 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5125 // Last King gets castling rights
5126 while(piecesLeft[(int)WhiteUnicorn]) {
5127 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5128 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5131 while(piecesLeft[(int)WhiteKing]) {
5132 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5133 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5138 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5139 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5142 // Only Rooks can be left; simply place them all
5143 while(piecesLeft[(int)WhiteRook]) {
5144 i = put(board, WhiteRook, 0, 0, ANY);
5145 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5148 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5150 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5153 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5154 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5157 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5160 int SetCharTable( char *table, const char * map )
5161 /* [HGM] moved here from winboard.c because of its general usefulness */
5162 /* Basically a safe strcpy that uses the last character as King */
5164 int result = FALSE; int NrPieces;
5166 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5167 && NrPieces >= 12 && !(NrPieces&1)) {
5168 int i; /* [HGM] Accept even length from 12 to 34 */
5170 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5171 for( i=0; i<NrPieces/2-1; i++ ) {
5173 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5175 table[(int) WhiteKing] = map[NrPieces/2-1];
5176 table[(int) BlackKing] = map[NrPieces-1];
5184 void Prelude(Board board)
5185 { // [HGM] superchess: random selection of exo-pieces
5186 int i, j, k; ChessSquare p;
5187 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5189 GetPositionNumber(); // use FRC position number
5191 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5192 SetCharTable(pieceToChar, appData.pieceToCharTable);
5193 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5194 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5197 j = seed%4; seed /= 4;
5198 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5199 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5200 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5201 j = seed%3 + (seed%3 >= j); seed /= 3;
5202 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5203 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5204 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5205 j = seed%3; seed /= 3;
5206 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5207 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5208 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5209 j = seed%2 + (seed%2 >= j); seed /= 2;
5210 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5211 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5212 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5213 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5214 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5215 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5216 put(board, exoPieces[0], 0, 0, ANY);
5217 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5221 InitPosition(redraw)
5224 ChessSquare (* pieces)[BOARD_FILES];
5225 int i, j, pawnRow, overrule,
5226 oldx = gameInfo.boardWidth,
5227 oldy = gameInfo.boardHeight,
5228 oldh = gameInfo.holdingsWidth,
5229 oldv = gameInfo.variant;
5231 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5233 /* [AS] Initialize pv info list [HGM] and game status */
5235 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5236 pvInfoList[i].depth = 0;
5237 boards[i][EP_STATUS] = EP_NONE;
5238 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5241 initialRulePlies = 0; /* 50-move counter start */
5243 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5244 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5248 /* [HGM] logic here is completely changed. In stead of full positions */
5249 /* the initialized data only consist of the two backranks. The switch */
5250 /* selects which one we will use, which is than copied to the Board */
5251 /* initialPosition, which for the rest is initialized by Pawns and */
5252 /* empty squares. This initial position is then copied to boards[0], */
5253 /* possibly after shuffling, so that it remains available. */
5255 gameInfo.holdingsWidth = 0; /* default board sizes */
5256 gameInfo.boardWidth = 8;
5257 gameInfo.boardHeight = 8;
5258 gameInfo.holdingsSize = 0;
5259 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5260 for(i=0; i<BOARD_FILES-2; i++)
5261 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5262 initialPosition[EP_STATUS] = EP_NONE;
5263 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5264 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5265 SetCharTable(pieceNickName, appData.pieceNickNames);
5266 else SetCharTable(pieceNickName, "............");
5268 switch (gameInfo.variant) {
5269 case VariantFischeRandom:
5270 shuffleOpenings = TRUE;
5274 case VariantShatranj:
5275 pieces = ShatranjArray;
5276 nrCastlingRights = 0;
5277 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5280 pieces = makrukArray;
5281 nrCastlingRights = 0;
5282 startedFromSetupPosition = TRUE;
5283 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5285 case VariantTwoKings:
5286 pieces = twoKingsArray;
5288 case VariantCapaRandom:
5289 shuffleOpenings = TRUE;
5290 case VariantCapablanca:
5291 pieces = CapablancaArray;
5292 gameInfo.boardWidth = 10;
5293 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5296 pieces = GothicArray;
5297 gameInfo.boardWidth = 10;
5298 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5301 pieces = JanusArray;
5302 gameInfo.boardWidth = 10;
5303 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5304 nrCastlingRights = 6;
5305 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5306 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5307 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5308 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5309 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5310 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5313 pieces = FalconArray;
5314 gameInfo.boardWidth = 10;
5315 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5317 case VariantXiangqi:
5318 pieces = XiangqiArray;
5319 gameInfo.boardWidth = 9;
5320 gameInfo.boardHeight = 10;
5321 nrCastlingRights = 0;
5322 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5325 pieces = ShogiArray;
5326 gameInfo.boardWidth = 9;
5327 gameInfo.boardHeight = 9;
5328 gameInfo.holdingsSize = 7;
5329 nrCastlingRights = 0;
5330 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5332 case VariantCourier:
5333 pieces = CourierArray;
5334 gameInfo.boardWidth = 12;
5335 nrCastlingRights = 0;
5336 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5338 case VariantKnightmate:
5339 pieces = KnightmateArray;
5340 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5343 pieces = fairyArray;
5344 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5347 pieces = GreatArray;
5348 gameInfo.boardWidth = 10;
5349 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5350 gameInfo.holdingsSize = 8;
5354 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5355 gameInfo.holdingsSize = 8;
5356 startedFromSetupPosition = TRUE;
5358 case VariantCrazyhouse:
5359 case VariantBughouse:
5361 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5362 gameInfo.holdingsSize = 5;
5364 case VariantWildCastle:
5366 /* !!?shuffle with kings guaranteed to be on d or e file */
5367 shuffleOpenings = 1;
5369 case VariantNoCastle:
5371 nrCastlingRights = 0;
5372 /* !!?unconstrained back-rank shuffle */
5373 shuffleOpenings = 1;
5378 if(appData.NrFiles >= 0) {
5379 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5380 gameInfo.boardWidth = appData.NrFiles;
5382 if(appData.NrRanks >= 0) {
5383 gameInfo.boardHeight = appData.NrRanks;
5385 if(appData.holdingsSize >= 0) {
5386 i = appData.holdingsSize;
5387 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5388 gameInfo.holdingsSize = i;
5390 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5391 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5392 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5394 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5395 if(pawnRow < 1) pawnRow = 1;
5396 if(gameInfo.variant == VariantMakruk) pawnRow = 2;
5398 /* User pieceToChar list overrules defaults */
5399 if(appData.pieceToCharTable != NULL)
5400 SetCharTable(pieceToChar, appData.pieceToCharTable);
5402 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5404 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5405 s = (ChessSquare) 0; /* account holding counts in guard band */
5406 for( i=0; i<BOARD_HEIGHT; i++ )
5407 initialPosition[i][j] = s;
5409 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5410 initialPosition[0][j] = pieces[0][j-gameInfo.holdingsWidth];
5411 initialPosition[pawnRow][j] = WhitePawn;
5412 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = BlackPawn;
5413 if(gameInfo.variant == VariantXiangqi) {
5415 initialPosition[pawnRow][j] =
5416 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5417 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5418 initialPosition[2][j] = WhiteCannon;
5419 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5423 initialPosition[BOARD_HEIGHT-1][j] = pieces[1][j-gameInfo.holdingsWidth];
5425 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5428 initialPosition[1][j] = WhiteBishop;
5429 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5431 initialPosition[1][j] = WhiteRook;
5432 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5435 if( nrCastlingRights == -1) {
5436 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5437 /* This sets default castling rights from none to normal corners */
5438 /* Variants with other castling rights must set them themselves above */
5439 nrCastlingRights = 6;
5441 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5442 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5443 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5444 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5445 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5446 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5449 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5450 if(gameInfo.variant == VariantGreat) { // promotion commoners
5451 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5452 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5453 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5454 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5456 if (appData.debugMode) {
5457 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5459 if(shuffleOpenings) {
5460 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5461 startedFromSetupPosition = TRUE;
5463 if(startedFromPositionFile) {
5464 /* [HGM] loadPos: use PositionFile for every new game */
5465 CopyBoard(initialPosition, filePosition);
5466 for(i=0; i<nrCastlingRights; i++)
5467 initialRights[i] = filePosition[CASTLING][i];
5468 startedFromSetupPosition = TRUE;
5471 CopyBoard(boards[0], initialPosition);
5473 if(oldx != gameInfo.boardWidth ||
5474 oldy != gameInfo.boardHeight ||
5475 oldh != gameInfo.holdingsWidth
5477 || oldv == VariantGothic || // For licensing popups
5478 gameInfo.variant == VariantGothic
5481 || oldv == VariantFalcon ||
5482 gameInfo.variant == VariantFalcon
5485 InitDrawingSizes(-2 ,0);
5488 DrawPosition(TRUE, boards[currentMove]);
5492 SendBoard(cps, moveNum)
5493 ChessProgramState *cps;
5496 char message[MSG_SIZ];
5498 if (cps->useSetboard) {
5499 char* fen = PositionToFEN(moveNum, cps->fenOverride);
5500 sprintf(message, "setboard %s\n", fen);
5501 SendToProgram(message, cps);
5507 /* Kludge to set black to move, avoiding the troublesome and now
5508 * deprecated "black" command.
5510 if (!WhiteOnMove(moveNum)) SendToProgram("a2a3\n", cps);
5512 SendToProgram("edit\n", cps);
5513 SendToProgram("#\n", cps);
5514 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5515 bp = &boards[moveNum][i][BOARD_LEFT];
5516 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5517 if ((int) *bp < (int) BlackPawn) {
5518 sprintf(message, "%c%c%c\n", PieceToChar(*bp),
5520 if(message[0] == '+' || message[0] == '~') {
5521 sprintf(message, "%c%c%c+\n",
5522 PieceToChar((ChessSquare)(DEMOTED *bp)),
5525 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5526 message[1] = BOARD_RGHT - 1 - j + '1';
5527 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5529 SendToProgram(message, cps);
5534 SendToProgram("c\n", cps);
5535 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5536 bp = &boards[moveNum][i][BOARD_LEFT];
5537 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5538 if (((int) *bp != (int) EmptySquare)
5539 && ((int) *bp >= (int) BlackPawn)) {
5540 sprintf(message, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
5542 if(message[0] == '+' || message[0] == '~') {
5543 sprintf(message, "%c%c%c+\n",
5544 PieceToChar((ChessSquare)(DEMOTED *bp)),
5547 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5548 message[1] = BOARD_RGHT - 1 - j + '1';
5549 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5551 SendToProgram(message, cps);
5556 SendToProgram(".\n", cps);
5558 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
5561 static int autoQueen; // [HGM] oneclick
5564 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice)
5566 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
5567 /* [HGM] add Shogi promotions */
5568 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
5573 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
5574 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
5576 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
5577 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
5580 piece = boards[currentMove][fromY][fromX];
5581 if(gameInfo.variant == VariantShogi) {
5582 promotionZoneSize = 3;
5583 highestPromotingPiece = (int)WhiteFerz;
5584 } else if(gameInfo.variant == VariantMakruk) {
5585 promotionZoneSize = 3;
5588 // next weed out all moves that do not touch the promotion zone at all
5589 if((int)piece >= BlackPawn) {
5590 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
5592 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
5594 if( toY < BOARD_HEIGHT - promotionZoneSize &&
5595 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
5598 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
5600 // weed out mandatory Shogi promotions
5601 if(gameInfo.variant == VariantShogi) {
5602 if(piece >= BlackPawn) {
5603 if(toY == 0 && piece == BlackPawn ||
5604 toY == 0 && piece == BlackQueen ||
5605 toY <= 1 && piece == BlackKnight) {
5610 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
5611 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
5612 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
5619 // weed out obviously illegal Pawn moves
5620 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
5621 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
5622 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
5623 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
5624 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
5625 // note we are not allowed to test for valid (non-)capture, due to premove
5628 // we either have a choice what to promote to, or (in Shogi) whether to promote
5629 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
5630 *promoChoice = PieceToChar(BlackFerz); // no choice
5633 if(autoQueen) { // predetermined
5634 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantLosers)
5635 *promoChoice = PieceToChar(BlackKing); // in Suicide Q is the last thing we want
5636 else *promoChoice = PieceToChar(BlackQueen);
5640 // suppress promotion popup on illegal moves that are not premoves
5641 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
5642 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
5643 if(appData.testLegality && !premove) {
5644 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5645 fromY, fromX, toY, toX, NULLCHAR);
5646 if(moveType != WhitePromotionQueen && moveType != BlackPromotionQueen &&
5647 moveType != WhitePromotionKnight && moveType != BlackPromotionKnight)
5655 InPalace(row, column)
5657 { /* [HGM] for Xiangqi */
5658 if( (row < 3 || row > BOARD_HEIGHT-4) &&
5659 column < (BOARD_WIDTH + 4)/2 &&
5660 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
5665 PieceForSquare (x, y)
5669 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
5672 return boards[currentMove][y][x];
5676 OKToStartUserMove(x, y)
5679 ChessSquare from_piece;
5682 if (matchMode) return FALSE;
5683 if (gameMode == EditPosition) return TRUE;
5685 if (x >= 0 && y >= 0)
5686 from_piece = boards[currentMove][y][x];
5688 from_piece = EmptySquare;
5690 if (from_piece == EmptySquare) return FALSE;
5692 white_piece = (int)from_piece >= (int)WhitePawn &&
5693 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
5696 case PlayFromGameFile:
5698 case TwoMachinesPlay:
5706 case MachinePlaysWhite:
5707 case IcsPlayingBlack:
5708 if (appData.zippyPlay) return FALSE;
5710 DisplayMoveError(_("You are playing Black"));
5715 case MachinePlaysBlack:
5716 case IcsPlayingWhite:
5717 if (appData.zippyPlay) return FALSE;
5719 DisplayMoveError(_("You are playing White"));
5725 if (!white_piece && WhiteOnMove(currentMove)) {
5726 DisplayMoveError(_("It is White's turn"));
5729 if (white_piece && !WhiteOnMove(currentMove)) {
5730 DisplayMoveError(_("It is Black's turn"));
5733 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
5734 /* Editing correspondence game history */
5735 /* Could disallow this or prompt for confirmation */
5740 case BeginningOfGame:
5741 if (appData.icsActive) return FALSE;
5742 if (!appData.noChessProgram) {
5744 DisplayMoveError(_("You are playing White"));
5751 if (!white_piece && WhiteOnMove(currentMove)) {
5752 DisplayMoveError(_("It is White's turn"));
5755 if (white_piece && !WhiteOnMove(currentMove)) {
5756 DisplayMoveError(_("It is Black's turn"));
5765 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
5766 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
5767 && gameMode != AnalyzeFile && gameMode != Training) {
5768 DisplayMoveError(_("Displayed position is not current"));
5775 OnlyMove(int *x, int *y, Boolean captures) {
5776 DisambiguateClosure cl;
5777 if (appData.zippyPlay) return FALSE;
5779 case MachinePlaysBlack:
5780 case IcsPlayingWhite:
5781 case BeginningOfGame:
5782 if(!WhiteOnMove(currentMove)) return FALSE;
5784 case MachinePlaysWhite:
5785 case IcsPlayingBlack:
5786 if(WhiteOnMove(currentMove)) return FALSE;
5791 cl.pieceIn = EmptySquare;
5796 cl.promoCharIn = NULLCHAR;
5797 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5798 if( cl.kind == NormalMove ||
5799 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5800 cl.kind == WhitePromotionQueen || cl.kind == BlackPromotionQueen ||
5801 cl.kind == WhitePromotionKnight || cl.kind == BlackPromotionKnight ||
5802 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5809 if(cl.kind != ImpossibleMove) return FALSE;
5810 cl.pieceIn = EmptySquare;
5815 cl.promoCharIn = NULLCHAR;
5816 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5817 if( cl.kind == NormalMove ||
5818 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5819 cl.kind == WhitePromotionQueen || cl.kind == BlackPromotionQueen ||
5820 cl.kind == WhitePromotionKnight || cl.kind == BlackPromotionKnight ||
5821 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5826 autoQueen = TRUE; // act as if autoQueen on when we click to-square
5832 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
5833 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
5834 int lastLoadGameUseList = FALSE;
5835 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
5836 ChessMove lastLoadGameStart = (ChessMove) 0;
5839 UserMoveTest(fromX, fromY, toX, toY, promoChar, captureOwn)
5840 int fromX, fromY, toX, toY;
5845 ChessSquare pdown, pup;
5847 /* Check if the user is playing in turn. This is complicated because we
5848 let the user "pick up" a piece before it is his turn. So the piece he
5849 tried to pick up may have been captured by the time he puts it down!
5850 Therefore we use the color the user is supposed to be playing in this
5851 test, not the color of the piece that is currently on the starting
5852 square---except in EditGame mode, where the user is playing both
5853 sides; fortunately there the capture race can't happen. (It can
5854 now happen in IcsExamining mode, but that's just too bad. The user
5855 will get a somewhat confusing message in that case.)
5859 case PlayFromGameFile:
5861 case TwoMachinesPlay:
5865 /* We switched into a game mode where moves are not accepted,
5866 perhaps while the mouse button was down. */
5867 return ImpossibleMove;
5869 case MachinePlaysWhite:
5870 /* User is moving for Black */
5871 if (WhiteOnMove(currentMove)) {
5872 DisplayMoveError(_("It is White's turn"));
5873 return ImpossibleMove;
5877 case MachinePlaysBlack:
5878 /* User is moving for White */
5879 if (!WhiteOnMove(currentMove)) {
5880 DisplayMoveError(_("It is Black's turn"));
5881 return ImpossibleMove;
5887 case BeginningOfGame:
5890 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
5891 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
5892 /* User is moving for Black */
5893 if (WhiteOnMove(currentMove)) {
5894 DisplayMoveError(_("It is White's turn"));
5895 return ImpossibleMove;
5898 /* User is moving for White */
5899 if (!WhiteOnMove(currentMove)) {
5900 DisplayMoveError(_("It is Black's turn"));
5901 return ImpossibleMove;
5906 case IcsPlayingBlack:
5907 /* User is moving for Black */
5908 if (WhiteOnMove(currentMove)) {
5909 if (!appData.premove) {
5910 DisplayMoveError(_("It is White's turn"));
5911 } else if (toX >= 0 && toY >= 0) {
5914 premoveFromX = fromX;
5915 premoveFromY = fromY;
5916 premovePromoChar = promoChar;
5918 if (appData.debugMode)
5919 fprintf(debugFP, "Got premove: fromX %d,"
5920 "fromY %d, toX %d, toY %d\n",
5921 fromX, fromY, toX, toY);
5923 return ImpossibleMove;
5927 case IcsPlayingWhite:
5928 /* User is moving for White */
5929 if (!WhiteOnMove(currentMove)) {
5930 if (!appData.premove) {
5931 DisplayMoveError(_("It is Black's turn"));
5932 } else if (toX >= 0 && toY >= 0) {
5935 premoveFromX = fromX;
5936 premoveFromY = fromY;
5937 premovePromoChar = promoChar;
5939 if (appData.debugMode)
5940 fprintf(debugFP, "Got premove: fromX %d,"
5941 "fromY %d, toX %d, toY %d\n",
5942 fromX, fromY, toX, toY);
5944 return ImpossibleMove;
5952 /* EditPosition, empty square, or different color piece;
5953 click-click move is possible */
5954 if (toX == -2 || toY == -2) {
5955 boards[0][fromY][fromX] = EmptySquare;
5956 return AmbiguousMove;
5957 } else if (toX >= 0 && toY >= 0) {
5958 boards[0][toY][toX] = boards[0][fromY][fromX];
5959 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
5960 if(boards[0][fromY][0] != EmptySquare) {
5961 if(boards[0][fromY][1]) boards[0][fromY][1]--;
5962 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
5965 if(fromX == BOARD_RGHT+1) {
5966 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
5967 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
5968 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
5971 boards[0][fromY][fromX] = EmptySquare;
5972 return AmbiguousMove;
5974 return ImpossibleMove;
5977 if(toX < 0 || toY < 0) return ImpossibleMove;
5978 pdown = boards[currentMove][fromY][fromX];
5979 pup = boards[currentMove][toY][toX];
5981 /* [HGM] If move started in holdings, it means a drop */
5982 if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) {
5983 if( pup != EmptySquare ) return ImpossibleMove;
5984 if(appData.testLegality) {
5985 /* it would be more logical if LegalityTest() also figured out
5986 * which drops are legal. For now we forbid pawns on back rank.
5987 * Shogi is on its own here...
5989 if( (pdown == WhitePawn || pdown == BlackPawn) &&
5990 (toY == 0 || toY == BOARD_HEIGHT -1 ) )
5991 return(ImpossibleMove); /* no pawn drops on 1st/8th */
5993 return WhiteDrop; /* Not needed to specify white or black yet */
5996 /* [HGM] always test for legality, to get promotion info */
5997 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5998 fromY, fromX, toY, toX, promoChar);
5999 /* [HGM] but possibly ignore an IllegalMove result */
6000 if (appData.testLegality) {
6001 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6002 DisplayMoveError(_("Illegal move"));
6003 return ImpossibleMove;
6008 /* [HGM] <popupFix> in stead of calling FinishMove directly, this
6009 function is made into one that returns an OK move type if FinishMove
6010 should be called. This to give the calling driver routine the
6011 opportunity to finish the userMove input with a promotion popup,
6012 without bothering the user with this for invalid or illegal moves */
6014 /* FinishMove(moveType, fromX, fromY, toX, toY, promoChar); */
6017 /* Common tail of UserMoveEvent and DropMenuEvent */
6019 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
6021 int fromX, fromY, toX, toY;
6022 /*char*/int promoChar;
6026 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR) {
6027 // [HGM] superchess: suppress promotions to non-available piece
6028 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6029 if(WhiteOnMove(currentMove)) {
6030 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6032 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6036 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6037 move type in caller when we know the move is a legal promotion */
6038 if(moveType == NormalMove && promoChar)
6039 moveType = PromoCharToMoveType(WhiteOnMove(currentMove), promoChar);
6041 /* [HGM] convert drag-and-drop piece drops to standard form */
6042 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ){
6043 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6044 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6045 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6046 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6047 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6048 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6049 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6053 /* [HGM] <popupFix> The following if has been moved here from
6054 UserMoveEvent(). Because it seemed to belong here (why not allow
6055 piece drops in training games?), and because it can only be
6056 performed after it is known to what we promote. */
6057 if (gameMode == Training) {
6058 /* compare the move played on the board to the next move in the
6059 * game. If they match, display the move and the opponent's response.
6060 * If they don't match, display an error message.
6064 CopyBoard(testBoard, boards[currentMove]);
6065 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6067 if (CompareBoards(testBoard, boards[currentMove+1])) {
6068 ForwardInner(currentMove+1);
6070 /* Autoplay the opponent's response.
6071 * if appData.animate was TRUE when Training mode was entered,
6072 * the response will be animated.
6074 saveAnimate = appData.animate;
6075 appData.animate = animateTraining;
6076 ForwardInner(currentMove+1);
6077 appData.animate = saveAnimate;
6079 /* check for the end of the game */
6080 if (currentMove >= forwardMostMove) {
6081 gameMode = PlayFromGameFile;
6083 SetTrainingModeOff();
6084 DisplayInformation(_("End of game"));
6087 DisplayError(_("Incorrect move"), 0);
6092 /* Ok, now we know that the move is good, so we can kill
6093 the previous line in Analysis Mode */
6094 if ((gameMode == AnalyzeMode || gameMode == EditGame)
6095 && currentMove < forwardMostMove) {
6096 PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6099 /* If we need the chess program but it's dead, restart it */
6100 ResurrectChessProgram();
6102 /* A user move restarts a paused game*/
6106 thinkOutput[0] = NULLCHAR;
6108 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6110 if(Adjudicate(NULL)) return 1; // [HGM] adjudicate: take care of automtic game end
6112 if (gameMode == BeginningOfGame) {
6113 if (appData.noChessProgram) {
6114 gameMode = EditGame;
6118 gameMode = MachinePlaysBlack;
6121 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
6123 if (first.sendName) {
6124 sprintf(buf, "name %s\n", gameInfo.white);
6125 SendToProgram(buf, &first);
6132 /* Relay move to ICS or chess engine */
6133 if (appData.icsActive) {
6134 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6135 gameMode == IcsExamining) {
6136 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6137 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6139 SendMoveToICS(moveType, fromX, fromY, toX, toY);
6141 // also send plain move, in case ICS does not understand atomic claims
6142 SendMoveToICS(moveType, fromX, fromY, toX, toY);
6146 if (first.sendTime && (gameMode == BeginningOfGame ||
6147 gameMode == MachinePlaysWhite ||
6148 gameMode == MachinePlaysBlack)) {
6149 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6151 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6152 // [HGM] book: if program might be playing, let it use book
6153 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6154 first.maybeThinking = TRUE;
6155 } else SendMoveToProgram(forwardMostMove-1, &first);
6156 if (currentMove == cmailOldMove + 1) {
6157 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6161 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6165 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6171 if (WhiteOnMove(currentMove)) {
6172 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6174 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6178 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6183 case MachinePlaysBlack:
6184 case MachinePlaysWhite:
6185 /* disable certain menu options while machine is thinking */
6186 SetMachineThinkingEnables();
6193 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6195 if(bookHit) { // [HGM] book: simulate book reply
6196 static char bookMove[MSG_SIZ]; // a bit generous?
6198 programStats.nodes = programStats.depth = programStats.time =
6199 programStats.score = programStats.got_only_move = 0;
6200 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6202 strcpy(bookMove, "move ");
6203 strcat(bookMove, bookHit);
6204 HandleMachineMove(bookMove, &first);
6210 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
6211 int fromX, fromY, toX, toY;
6214 /* [HGM] This routine was added to allow calling of its two logical
6215 parts from other modules in the old way. Before, UserMoveEvent()
6216 automatically called FinishMove() if the move was OK, and returned
6217 otherwise. I separated the two, in order to make it possible to
6218 slip a promotion popup in between. But that it always needs two
6219 calls, to the first part, (now called UserMoveTest() ), and to
6220 FinishMove if the first part succeeded. Calls that do not need
6221 to do anything in between, can call this routine the old way.
6223 ChessMove moveType = UserMoveTest(fromX, fromY, toX, toY, promoChar, FALSE);
6224 if(appData.debugMode) fprintf(debugFP, "moveType 4 = %d, promochar = %x\n", moveType, promoChar);
6225 if(moveType == AmbiguousMove)
6226 DrawPosition(FALSE, boards[currentMove]);
6227 else if(moveType != ImpossibleMove && moveType != Comment)
6228 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6232 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6239 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6240 Markers *m = (Markers *) closure;
6241 if(rf == fromY && ff == fromX)
6242 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6243 || kind == WhiteCapturesEnPassant
6244 || kind == BlackCapturesEnPassant);
6245 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6249 MarkTargetSquares(int clear)
6252 if(!appData.markers || !appData.highlightDragging ||
6253 !appData.testLegality || gameMode == EditPosition) return;
6255 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6258 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker);
6259 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6260 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6262 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6265 DrawPosition(TRUE, NULL);
6268 void LeftClick(ClickType clickType, int xPix, int yPix)
6271 Boolean saveAnimate;
6272 static int second = 0, promotionChoice = 0, dragging = 0;
6273 char promoChoice = NULLCHAR;
6275 if(appData.seekGraph && appData.icsActive && loggedOn &&
6276 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6277 SeekGraphClick(clickType, xPix, yPix, 0);
6281 if (clickType == Press) ErrorPopDown();
6282 MarkTargetSquares(1);
6284 x = EventToSquare(xPix, BOARD_WIDTH);
6285 y = EventToSquare(yPix, BOARD_HEIGHT);
6286 if (!flipView && y >= 0) {
6287 y = BOARD_HEIGHT - 1 - y;
6289 if (flipView && x >= 0) {
6290 x = BOARD_WIDTH - 1 - x;
6293 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6294 if(clickType == Release) return; // ignore upclick of click-click destination
6295 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6296 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6297 if(gameInfo.holdingsWidth &&
6298 (WhiteOnMove(currentMove)
6299 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y > 0
6300 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT-1) ) {
6301 // click in right holdings, for determining promotion piece
6302 ChessSquare p = boards[currentMove][y][x];
6303 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6304 if(p != EmptySquare) {
6305 FinishMove(NormalMove, fromX, fromY, toX, toY, ToLower(PieceToChar(p)));
6310 DrawPosition(FALSE, boards[currentMove]);
6314 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6315 if(clickType == Press
6316 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6317 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6318 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6321 autoQueen = appData.alwaysPromoteToQueen;
6324 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE)) {
6325 if (clickType == Press) {
6327 if (OKToStartUserMove(x, y)) {
6331 MarkTargetSquares(0);
6332 DragPieceBegin(xPix, yPix); dragging = 1;
6333 if (appData.highlightDragging) {
6334 SetHighlights(x, y, -1, -1);
6337 } else if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6338 DragPieceEnd(xPix, yPix); dragging = 0;
6339 DrawPosition(FALSE, NULL);
6346 if (clickType == Press && gameMode != EditPosition) {
6351 // ignore off-board to clicks
6352 if(y < 0 || x < 0) return;
6354 /* Check if clicking again on the same color piece */
6355 fromP = boards[currentMove][fromY][fromX];
6356 toP = boards[currentMove][y][x];
6357 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom;
6358 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6359 WhitePawn <= toP && toP <= WhiteKing &&
6360 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6361 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6362 (BlackPawn <= fromP && fromP <= BlackKing &&
6363 BlackPawn <= toP && toP <= BlackKing &&
6364 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6365 !(fromP == BlackKing && toP == BlackRook && frc))) {
6366 /* Clicked again on same color piece -- changed his mind */
6367 second = (x == fromX && y == fromY);
6368 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6369 if (appData.highlightDragging) {
6370 SetHighlights(x, y, -1, -1);
6374 if (OKToStartUserMove(x, y)) {
6376 fromY = y; dragging = 1;
6377 MarkTargetSquares(0);
6378 DragPieceBegin(xPix, yPix);
6383 // ignore clicks on holdings
6384 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6387 if (clickType == Release && x == fromX && y == fromY) {
6388 DragPieceEnd(xPix, yPix); dragging = 0;
6389 if (appData.animateDragging) {
6390 /* Undo animation damage if any */
6391 DrawPosition(FALSE, NULL);
6394 /* Second up/down in same square; just abort move */
6399 ClearPremoveHighlights();
6401 /* First upclick in same square; start click-click mode */
6402 SetHighlights(x, y, -1, -1);
6407 /* we now have a different from- and (possibly off-board) to-square */
6408 /* Completed move */
6411 saveAnimate = appData.animate;
6412 if (clickType == Press) {
6413 /* Finish clickclick move */
6414 if (appData.animate || appData.highlightLastMove) {
6415 SetHighlights(fromX, fromY, toX, toY);
6420 /* Finish drag move */
6421 if (appData.highlightLastMove) {
6422 SetHighlights(fromX, fromY, toX, toY);
6426 DragPieceEnd(xPix, yPix); dragging = 0;
6427 /* Don't animate move and drag both */
6428 appData.animate = FALSE;
6431 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
6432 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
6433 ChessSquare piece = boards[currentMove][fromY][fromX];
6434 if(gameMode == EditPosition && piece != EmptySquare &&
6435 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
6438 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
6439 n = PieceToNumber(piece - (int)BlackPawn);
6440 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
6441 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
6442 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
6444 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
6445 n = PieceToNumber(piece);
6446 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
6447 boards[currentMove][n][BOARD_WIDTH-1] = piece;
6448 boards[currentMove][n][BOARD_WIDTH-2]++;
6450 boards[currentMove][fromY][fromX] = EmptySquare;
6454 DrawPosition(TRUE, boards[currentMove]);
6458 // off-board moves should not be highlighted
6459 if(x < 0 || x < 0) ClearHighlights();
6461 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
6462 SetHighlights(fromX, fromY, toX, toY);
6463 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6464 // [HGM] super: promotion to captured piece selected from holdings
6465 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
6466 promotionChoice = TRUE;
6467 // kludge follows to temporarily execute move on display, without promoting yet
6468 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
6469 boards[currentMove][toY][toX] = p;
6470 DrawPosition(FALSE, boards[currentMove]);
6471 boards[currentMove][fromY][fromX] = p; // take back, but display stays
6472 boards[currentMove][toY][toX] = q;
6473 DisplayMessage("Click in holdings to choose piece", "");
6478 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
6479 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
6480 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
6483 appData.animate = saveAnimate;
6484 if (appData.animate || appData.animateDragging) {
6485 /* Undo animation damage if needed */
6486 DrawPosition(FALSE, NULL);
6490 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
6491 { // front-end-free part taken out of PieceMenuPopup
6492 int whichMenu; int xSqr, ySqr;
6494 if(seekGraphUp) { // [HGM] seekgraph
6495 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
6496 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
6500 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
6501 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
6502 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
6503 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
6504 if(action == Press) {
6505 originalFlip = flipView;
6506 flipView = !flipView; // temporarily flip board to see game from partners perspective
6507 DrawPosition(TRUE, partnerBoard);
6508 DisplayMessage(partnerStatus, "");
6510 } else if(action == Release) {
6511 flipView = originalFlip;
6512 DrawPosition(TRUE, boards[currentMove]);
6518 xSqr = EventToSquare(x, BOARD_WIDTH);
6519 ySqr = EventToSquare(y, BOARD_HEIGHT);
6520 if (action == Release) UnLoadPV(); // [HGM] pv
6521 if (action != Press) return -2; // return code to be ignored
6524 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
\r
6526 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
\r
6527 if (xSqr < 0 || ySqr < 0) return -1;
\r
6528 whichMenu = 0; // edit-position menu
6531 if(!appData.icsEngineAnalyze) return -1;
6532 case IcsPlayingWhite:
6533 case IcsPlayingBlack:
6534 if(!appData.zippyPlay) goto noZip;
6537 case MachinePlaysWhite:
6538 case MachinePlaysBlack:
6539 case TwoMachinesPlay: // [HGM] pv: use for showing PV
6540 if (!appData.dropMenu) {
6542 return 2; // flag front-end to grab mouse events
6544 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
6545 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
6548 if (xSqr < 0 || ySqr < 0) return -1;
6549 if (!appData.dropMenu || appData.testLegality &&
6550 gameInfo.variant != VariantBughouse &&
6551 gameInfo.variant != VariantCrazyhouse) return -1;
6552 whichMenu = 1; // drop menu
6558 if (((*fromX = xSqr) < 0) ||
6559 ((*fromY = ySqr) < 0)) {
6560 *fromX = *fromY = -1;
6564 *fromX = BOARD_WIDTH - 1 - *fromX;
6566 *fromY = BOARD_HEIGHT - 1 - *fromY;
6571 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
6573 // char * hint = lastHint;
6574 FrontEndProgramStats stats;
6576 stats.which = cps == &first ? 0 : 1;
6577 stats.depth = cpstats->depth;
6578 stats.nodes = cpstats->nodes;
6579 stats.score = cpstats->score;
6580 stats.time = cpstats->time;
6581 stats.pv = cpstats->movelist;
6582 stats.hint = lastHint;
6583 stats.an_move_index = 0;
6584 stats.an_move_count = 0;
6586 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
6587 stats.hint = cpstats->move_name;
6588 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
6589 stats.an_move_count = cpstats->nr_moves;
6592 if(stats.pv && stats.pv[0]) strcpy(lastPV[stats.which], stats.pv); // [HGM] pv: remember last PV of each
6594 SetProgramStats( &stats );
6598 Count(Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
6599 { // count all piece types
6601 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
6602 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
6603 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
6606 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
6607 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
6608 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
6609 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
6610 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
6611 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
6616 SufficientDefence(int pCnt[], int side, int nMine, int nHis)
6618 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
6619 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
6621 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
6622 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
6623 if(myPawns == 2 && nMine == 3) // KPP
6624 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
6625 if(myPawns == 1 && nMine == 2) // KP
6626 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
6627 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
6628 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
6629 if(myPawns) return FALSE;
6630 if(pCnt[WhiteRook+side])
6631 return pCnt[BlackRook-side] ||
6632 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
6633 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
6634 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
6635 if(pCnt[WhiteCannon+side]) {
6636 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
6637 return majorDefense || pCnt[BlackAlfil-side] >= 2;
6639 if(pCnt[WhiteKnight+side])
6640 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
6645 MatingPotential(int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
6647 VariantClass v = gameInfo.variant;
6649 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
6650 if(v == VariantShatranj) return TRUE; // always winnable through baring
6651 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
6652 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
6654 if(v == VariantXiangqi) {
6655 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
6657 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
6658 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
6659 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
6660 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
6661 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
6662 if(stale) // we have at least one last-rank P plus perhaps C
6663 return majors // KPKX
6664 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
6666 return pCnt[WhiteFerz+side] // KCAK
6667 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
6668 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
6669 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
6671 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
6672 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
6674 if(nMine == 1) return FALSE; // bare King
6675 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
6676 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
6677 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
6678 // by now we have King + 1 piece (or multiple Bishops on the same color)
6679 if(pCnt[WhiteKnight+side])
6680 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
6681 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
6682 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
6684 return (pCnt[BlackKnight-side]); // KBKN, KFKN
6685 if(pCnt[WhiteAlfil+side])
6686 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
6687 if(pCnt[WhiteWazir+side])
6688 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
6695 Adjudicate(ChessProgramState *cps)
6696 { // [HGM] some adjudications useful with buggy engines
6697 // [HGM] adjudicate: made into separate routine, which now can be called after every move
6698 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
6699 // Actually ending the game is now based on the additional internal condition canAdjudicate.
6700 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
6701 int k, count = 0; static int bare = 1;
6702 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
6703 Boolean canAdjudicate = !appData.icsActive;
6705 // most tests only when we understand the game, i.e. legality-checking on, and (for the time being) no piece drops
6706 if(gameInfo.holdingsSize == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6707 if( appData.testLegality )
6708 { /* [HGM] Some more adjudications for obstinate engines */
6709 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
6710 static int moveCount = 6;
6712 char *reason = NULL;
6714 /* Count what is on board. */
6715 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
6717 /* Some material-based adjudications that have to be made before stalemate test */
6718 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
6719 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
6720 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
6721 if(canAdjudicate && appData.checkMates) {
6723 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6724 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6725 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
6726 "Xboard adjudication: King destroyed", GE_XBOARD );
6731 /* Bare King in Shatranj (loses) or Losers (wins) */
6732 if( nrW == 1 || nrB == 1) {
6733 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
6734 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
6735 if(canAdjudicate && appData.checkMates) {
6737 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
6738 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6739 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6740 "Xboard adjudication: Bare king", GE_XBOARD );
6744 if( gameInfo.variant == VariantShatranj && --bare < 0)
6746 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
6747 if(canAdjudicate && appData.checkMates) {
6748 /* but only adjudicate if adjudication enabled */
6750 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6751 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6752 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
6753 "Xboard adjudication: Bare king", GE_XBOARD );
6760 // don't wait for engine to announce game end if we can judge ourselves
6761 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
6763 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
6764 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
6765 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
6766 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
6769 reason = "Xboard adjudication: 3rd check";
6770 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
6780 reason = "Xboard adjudication: Stalemate";
6781 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
6782 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
6783 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
6784 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
6785 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
6786 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
6787 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
6788 EP_CHECKMATE : EP_WINS);
6789 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
6790 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
6794 reason = "Xboard adjudication: Checkmate";
6795 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
6799 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
6801 result = GameIsDrawn; break;
6803 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
6805 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
6807 result = (ChessMove) 0;
6809 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
6811 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6812 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6813 GameEnds( result, reason, GE_XBOARD );
6817 /* Next absolutely insufficient mating material. */
6818 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
6819 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
6820 { /* includes KBK, KNK, KK of KBKB with like Bishops */
6822 /* always flag draws, for judging claims */
6823 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
6825 if(canAdjudicate && appData.materialDraws) {
6826 /* but only adjudicate them if adjudication enabled */
6827 if(engineOpponent) {
6828 SendToProgram("force\n", engineOpponent); // suppress reply
6829 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
6831 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6832 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
6837 /* Then some trivial draws (only adjudicate, cannot be claimed) */
6838 if(gameInfo.variant == VariantXiangqi ?
6839 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
6841 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
6842 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
6843 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
6844 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
6846 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
6847 { /* if the first 3 moves do not show a tactical win, declare draw */
6848 if(engineOpponent) {
6849 SendToProgram("force\n", engineOpponent); // suppress reply
6850 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6852 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6853 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
6856 } else moveCount = 6;
6860 if (appData.debugMode) { int i;
6861 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
6862 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
6863 appData.drawRepeats);
6864 for( i=forwardMostMove; i>=backwardMostMove; i-- )
6865 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
6869 // Repetition draws and 50-move rule can be applied independently of legality testing
6871 /* Check for rep-draws */
6873 for(k = forwardMostMove-2;
6874 k>=backwardMostMove && k>=forwardMostMove-100 &&
6875 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
6876 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
6879 if(CompareBoards(boards[k], boards[forwardMostMove])) {
6880 /* compare castling rights */
6881 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
6882 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
6883 rights++; /* King lost rights, while rook still had them */
6884 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
6885 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
6886 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
6887 rights++; /* but at least one rook lost them */
6889 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
6890 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
6892 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
6893 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
6894 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
6897 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
6898 && appData.drawRepeats > 1) {
6899 /* adjudicate after user-specified nr of repeats */
6900 int result = GameIsDrawn;
6901 char *details = "XBoard adjudication: repetition draw";
6902 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
6903 // [HGM] xiangqi: check for forbidden perpetuals
6904 int m, ourPerpetual = 1, hisPerpetual = 1;
6905 for(m=forwardMostMove; m>k; m-=2) {
6906 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
6907 ourPerpetual = 0; // the current mover did not always check
6908 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
6909 hisPerpetual = 0; // the opponent did not always check
6911 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
6912 ourPerpetual, hisPerpetual);
6913 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
6914 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
6915 details = "Xboard adjudication: perpetual checking";
6917 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
6918 break; // (or we would have caught him before). Abort repetition-checking loop.
6920 // Now check for perpetual chases
6921 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
6922 hisPerpetual = PerpetualChase(k, forwardMostMove);
6923 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
6924 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
6925 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
6926 details = "Xboard adjudication: perpetual chasing";
6928 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
6929 break; // Abort repetition-checking loop.
6931 // if neither of us is checking or chasing all the time, or both are, it is draw
6933 if(engineOpponent) {
6934 SendToProgram("force\n", engineOpponent); // suppress reply
6935 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6937 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6938 GameEnds( result, details, GE_XBOARD );
6941 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
6942 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
6946 /* Now we test for 50-move draws. Determine ply count */
6947 count = forwardMostMove;
6948 /* look for last irreversble move */
6949 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
6951 /* if we hit starting position, add initial plies */
6952 if( count == backwardMostMove )
6953 count -= initialRulePlies;
6954 count = forwardMostMove - count;
6955 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
6956 // adjust reversible move counter for checks in Xiangqi
6957 int i = forwardMostMove - count, inCheck = 0, lastCheck;
6958 if(i < backwardMostMove) i = backwardMostMove;
6959 while(i <= forwardMostMove) {
6960 lastCheck = inCheck; // check evasion does not count
6961 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
6962 if(inCheck || lastCheck) count--; // check does not count
6967 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
6968 /* this is used to judge if draw claims are legal */
6969 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
6970 if(engineOpponent) {
6971 SendToProgram("force\n", engineOpponent); // suppress reply
6972 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6974 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6975 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
6979 /* if draw offer is pending, treat it as a draw claim
6980 * when draw condition present, to allow engines a way to
6981 * claim draws before making their move to avoid a race
6982 * condition occurring after their move
6984 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
6986 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
6987 p = "Draw claim: 50-move rule";
6988 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
6989 p = "Draw claim: 3-fold repetition";
6990 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
6991 p = "Draw claim: insufficient mating material";
6992 if( p != NULL && canAdjudicate) {
6993 if(engineOpponent) {
6994 SendToProgram("force\n", engineOpponent); // suppress reply
6995 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6997 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6998 GameEnds( GameIsDrawn, p, GE_XBOARD );
7003 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7004 if(engineOpponent) {
7005 SendToProgram("force\n", engineOpponent); // suppress reply
7006 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7008 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7009 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7015 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
7016 { // [HGM] book: this routine intercepts moves to simulate book replies
7017 char *bookHit = NULL;
7019 //first determine if the incoming move brings opponent into his book
7020 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7021 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7022 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7023 if(bookHit != NULL && !cps->bookSuspend) {
7024 // make sure opponent is not going to reply after receiving move to book position
7025 SendToProgram("force\n", cps);
7026 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7028 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7029 // now arrange restart after book miss
7031 // after a book hit we never send 'go', and the code after the call to this routine
7032 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7034 sprintf(buf, "%s%s\n", (cps->useUsermove ? "usermove " : ""), bookHit); // force book move into program supposed to play it
7035 SendToProgram(buf, cps);
7036 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7037 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7038 SendToProgram("go\n", cps);
7039 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7040 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7041 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7042 SendToProgram("go\n", cps);
7043 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7045 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7049 ChessProgramState *savedState;
7050 void DeferredBookMove(void)
7052 if(savedState->lastPing != savedState->lastPong)
7053 ScheduleDelayedEvent(DeferredBookMove, 10);
7055 HandleMachineMove(savedMessage, savedState);
7059 HandleMachineMove(message, cps)
7061 ChessProgramState *cps;
7063 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7064 char realname[MSG_SIZ];
7065 int fromX, fromY, toX, toY;
7074 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7076 * Kludge to ignore BEL characters
7078 while (*message == '\007') message++;
7081 * [HGM] engine debug message: ignore lines starting with '#' character
7083 if(cps->debug && *message == '#') return;
7086 * Look for book output
7088 if (cps == &first && bookRequested) {
7089 if (message[0] == '\t' || message[0] == ' ') {
7090 /* Part of the book output is here; append it */
7091 strcat(bookOutput, message);
7092 strcat(bookOutput, " \n");
7094 } else if (bookOutput[0] != NULLCHAR) {
7095 /* All of book output has arrived; display it */
7096 char *p = bookOutput;
7097 while (*p != NULLCHAR) {
7098 if (*p == '\t') *p = ' ';
7101 DisplayInformation(bookOutput);
7102 bookRequested = FALSE;
7103 /* Fall through to parse the current output */
7108 * Look for machine move.
7110 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7111 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7113 /* This method is only useful on engines that support ping */
7114 if (cps->lastPing != cps->lastPong) {
7115 if (gameMode == BeginningOfGame) {
7116 /* Extra move from before last new; ignore */
7117 if (appData.debugMode) {
7118 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7121 if (appData.debugMode) {
7122 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7123 cps->which, gameMode);
7126 SendToProgram("undo\n", cps);
7132 case BeginningOfGame:
7133 /* Extra move from before last reset; ignore */
7134 if (appData.debugMode) {
7135 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7142 /* Extra move after we tried to stop. The mode test is
7143 not a reliable way of detecting this problem, but it's
7144 the best we can do on engines that don't support ping.
7146 if (appData.debugMode) {
7147 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7148 cps->which, gameMode);
7150 SendToProgram("undo\n", cps);
7153 case MachinePlaysWhite:
7154 case IcsPlayingWhite:
7155 machineWhite = TRUE;
7158 case MachinePlaysBlack:
7159 case IcsPlayingBlack:
7160 machineWhite = FALSE;
7163 case TwoMachinesPlay:
7164 machineWhite = (cps->twoMachinesColor[0] == 'w');
7167 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7168 if (appData.debugMode) {
7170 "Ignoring move out of turn by %s, gameMode %d"
7171 ", forwardMost %d\n",
7172 cps->which, gameMode, forwardMostMove);
7177 if (appData.debugMode) { int f = forwardMostMove;
7178 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7179 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7180 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7182 if(cps->alphaRank) AlphaRank(machineMove, 4);
7183 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7184 &fromX, &fromY, &toX, &toY, &promoChar)) {
7185 /* Machine move could not be parsed; ignore it. */
7186 sprintf(buf1, _("Illegal move \"%s\" from %s machine"),
7187 machineMove, cps->which);
7188 DisplayError(buf1, 0);
7189 sprintf(buf1, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7190 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7191 if (gameMode == TwoMachinesPlay) {
7192 GameEnds(machineWhite ? BlackWins : WhiteWins,
7198 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7199 /* So we have to redo legality test with true e.p. status here, */
7200 /* to make sure an illegal e.p. capture does not slip through, */
7201 /* to cause a forfeit on a justified illegal-move complaint */
7202 /* of the opponent. */
7203 if( gameMode==TwoMachinesPlay && appData.testLegality
7204 && fromY != DROP_RANK /* [HGM] temporary; should still add legality test for drops */
7207 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7208 fromY, fromX, toY, toX, promoChar);
7209 if (appData.debugMode) {
7211 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7212 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7213 fprintf(debugFP, "castling rights\n");
7215 if(moveType == IllegalMove) {
7216 sprintf(buf1, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7217 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7218 GameEnds(machineWhite ? BlackWins : WhiteWins,
7221 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7222 /* [HGM] Kludge to handle engines that send FRC-style castling
7223 when they shouldn't (like TSCP-Gothic) */
7225 case WhiteASideCastleFR:
7226 case BlackASideCastleFR:
7228 currentMoveString[2]++;
7230 case WhiteHSideCastleFR:
7231 case BlackHSideCastleFR:
7233 currentMoveString[2]--;
7235 default: ; // nothing to do, but suppresses warning of pedantic compilers
7238 hintRequested = FALSE;
7239 lastHint[0] = NULLCHAR;
7240 bookRequested = FALSE;
7241 /* Program may be pondering now */
7242 cps->maybeThinking = TRUE;
7243 if (cps->sendTime == 2) cps->sendTime = 1;
7244 if (cps->offeredDraw) cps->offeredDraw--;
7246 /* currentMoveString is set as a side-effect of ParseOneMove */
7247 strcpy(machineMove, currentMoveString);
7248 strcat(machineMove, "\n");
7249 strcpy(moveList[forwardMostMove], machineMove);
7251 /* [AS] Save move info*/
7252 pvInfoList[ forwardMostMove ].score = programStats.score;
7253 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7254 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7256 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7258 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7259 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7262 while( count < adjudicateLossPlies ) {
7263 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7266 score = -score; /* Flip score for winning side */
7269 if( score > adjudicateLossThreshold ) {
7276 if( count >= adjudicateLossPlies ) {
7277 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7279 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7280 "Xboard adjudication",
7287 if(Adjudicate(cps)) return; // [HGM] adjudicate: for all automatic game ends
7290 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7292 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7293 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7295 SendMoveToICS(moveType, fromX, fromY, toX, toY);
7297 SendMoveToICS(moveType, fromX, fromY, toX, toY);
7299 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
7300 char buf[3*MSG_SIZ];
7302 sprintf(buf, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
7303 programStats.score / 100.,
7305 programStats.time / 100.,
7306 (unsigned int)programStats.nodes,
7307 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
7308 programStats.movelist);
7310 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
7315 /* [AS] Clear stats for next move */
7316 ClearProgramStats();
7317 thinkOutput[0] = NULLCHAR;
7318 hiddenThinkOutputState = 0;
7321 if (gameMode == TwoMachinesPlay) {
7322 /* [HGM] relaying draw offers moved to after reception of move */
7323 /* and interpreting offer as claim if it brings draw condition */
7324 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
7325 SendToProgram("draw\n", cps->other);
7327 if (cps->other->sendTime) {
7328 SendTimeRemaining(cps->other,
7329 cps->other->twoMachinesColor[0] == 'w');
7331 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
7332 if (firstMove && !bookHit) {
7334 if (cps->other->useColors) {
7335 SendToProgram(cps->other->twoMachinesColor, cps->other);
7337 SendToProgram("go\n", cps->other);
7339 cps->other->maybeThinking = TRUE;
7342 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7344 if (!pausing && appData.ringBellAfterMoves) {
7349 * Reenable menu items that were disabled while
7350 * machine was thinking
7352 if (gameMode != TwoMachinesPlay)
7353 SetUserThinkingEnables();
7355 // [HGM] book: after book hit opponent has received move and is now in force mode
7356 // force the book reply into it, and then fake that it outputted this move by jumping
7357 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
7359 static char bookMove[MSG_SIZ]; // a bit generous?
7361 strcpy(bookMove, "move ");
7362 strcat(bookMove, bookHit);
7365 programStats.nodes = programStats.depth = programStats.time =
7366 programStats.score = programStats.got_only_move = 0;
7367 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7369 if(cps->lastPing != cps->lastPong) {
7370 savedMessage = message; // args for deferred call
7372 ScheduleDelayedEvent(DeferredBookMove, 10);
7381 /* Set special modes for chess engines. Later something general
7382 * could be added here; for now there is just one kludge feature,
7383 * needed because Crafty 15.10 and earlier don't ignore SIGINT
7384 * when "xboard" is given as an interactive command.
7386 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
7387 cps->useSigint = FALSE;
7388 cps->useSigterm = FALSE;
7390 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
7391 ParseFeatures(message+8, cps);
7392 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
7395 /* [HGM] Allow engine to set up a position. Don't ask me why one would
7396 * want this, I was asked to put it in, and obliged.
7398 if (!strncmp(message, "setboard ", 9)) {
7399 Board initial_position;
7401 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
7403 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
7404 DisplayError(_("Bad FEN received from engine"), 0);
7408 CopyBoard(boards[0], initial_position);
7409 initialRulePlies = FENrulePlies;
7410 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
7411 else gameMode = MachinePlaysBlack;
7412 DrawPosition(FALSE, boards[currentMove]);
7418 * Look for communication commands
7420 if (!strncmp(message, "telluser ", 9)) {
7421 EscapeExpand(message+9, message+9); // [HGM] esc: allow escape sequences in popup box
7422 DisplayNote(message + 9);
7425 if (!strncmp(message, "tellusererror ", 14)) {
7427 EscapeExpand(message+14, message+14); // [HGM] esc: allow escape sequences in popup box
7428 DisplayError(message + 14, 0);
7431 if (!strncmp(message, "tellopponent ", 13)) {
7432 if (appData.icsActive) {
7434 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
7438 DisplayNote(message + 13);
7442 if (!strncmp(message, "tellothers ", 11)) {
7443 if (appData.icsActive) {
7445 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
7451 if (!strncmp(message, "tellall ", 8)) {
7452 if (appData.icsActive) {
7454 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
7458 DisplayNote(message + 8);
7462 if (strncmp(message, "warning", 7) == 0) {
7463 /* Undocumented feature, use tellusererror in new code */
7464 DisplayError(message, 0);
7467 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
7468 strcpy(realname, cps->tidy);
7469 strcat(realname, " query");
7470 AskQuestion(realname, buf2, buf1, cps->pr);
7473 /* Commands from the engine directly to ICS. We don't allow these to be
7474 * sent until we are logged on. Crafty kibitzes have been known to
7475 * interfere with the login process.
7478 if (!strncmp(message, "tellics ", 8)) {
7479 SendToICS(message + 8);
7483 if (!strncmp(message, "tellicsnoalias ", 15)) {
7484 SendToICS(ics_prefix);
7485 SendToICS(message + 15);
7489 /* The following are for backward compatibility only */
7490 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
7491 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
7492 SendToICS(ics_prefix);
7498 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
7502 * If the move is illegal, cancel it and redraw the board.
7503 * Also deal with other error cases. Matching is rather loose
7504 * here to accommodate engines written before the spec.
7506 if (strncmp(message + 1, "llegal move", 11) == 0 ||
7507 strncmp(message, "Error", 5) == 0) {
7508 if (StrStr(message, "name") ||
7509 StrStr(message, "rating") || StrStr(message, "?") ||
7510 StrStr(message, "result") || StrStr(message, "board") ||
7511 StrStr(message, "bk") || StrStr(message, "computer") ||
7512 StrStr(message, "variant") || StrStr(message, "hint") ||
7513 StrStr(message, "random") || StrStr(message, "depth") ||
7514 StrStr(message, "accepted")) {
7517 if (StrStr(message, "protover")) {
7518 /* Program is responding to input, so it's apparently done
7519 initializing, and this error message indicates it is
7520 protocol version 1. So we don't need to wait any longer
7521 for it to initialize and send feature commands. */
7522 FeatureDone(cps, 1);
7523 cps->protocolVersion = 1;
7526 cps->maybeThinking = FALSE;
7528 if (StrStr(message, "draw")) {
7529 /* Program doesn't have "draw" command */
7530 cps->sendDrawOffers = 0;
7533 if (cps->sendTime != 1 &&
7534 (StrStr(message, "time") || StrStr(message, "otim"))) {
7535 /* Program apparently doesn't have "time" or "otim" command */
7539 if (StrStr(message, "analyze")) {
7540 cps->analysisSupport = FALSE;
7541 cps->analyzing = FALSE;
7543 sprintf(buf2, _("%s does not support analysis"), cps->tidy);
7544 DisplayError(buf2, 0);
7547 if (StrStr(message, "(no matching move)st")) {
7548 /* Special kludge for GNU Chess 4 only */
7549 cps->stKludge = TRUE;
7550 SendTimeControl(cps, movesPerSession, timeControl,
7551 timeIncrement, appData.searchDepth,
7555 if (StrStr(message, "(no matching move)sd")) {
7556 /* Special kludge for GNU Chess 4 only */
7557 cps->sdKludge = TRUE;
7558 SendTimeControl(cps, movesPerSession, timeControl,
7559 timeIncrement, appData.searchDepth,
7563 if (!StrStr(message, "llegal")) {
7566 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7567 gameMode == IcsIdle) return;
7568 if (forwardMostMove <= backwardMostMove) return;
7569 if (pausing) PauseEvent();
7570 if(appData.forceIllegal) {
7571 // [HGM] illegal: machine refused move; force position after move into it
7572 SendToProgram("force\n", cps);
7573 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
7574 // we have a real problem now, as SendBoard will use the a2a3 kludge
7575 // when black is to move, while there might be nothing on a2 or black
7576 // might already have the move. So send the board as if white has the move.
7577 // But first we must change the stm of the engine, as it refused the last move
7578 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
7579 if(WhiteOnMove(forwardMostMove)) {
7580 SendToProgram("a7a6\n", cps); // for the engine black still had the move
7581 SendBoard(cps, forwardMostMove); // kludgeless board
7583 SendToProgram("a2a3\n", cps); // for the engine white still had the move
7584 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7585 SendBoard(cps, forwardMostMove+1); // kludgeless board
7587 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
7588 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
7589 gameMode == TwoMachinesPlay)
7590 SendToProgram("go\n", cps);
7593 if (gameMode == PlayFromGameFile) {
7594 /* Stop reading this game file */
7595 gameMode = EditGame;
7598 currentMove = forwardMostMove-1;
7599 DisplayMove(currentMove-1); /* before DisplayMoveError */
7600 SwitchClocks(forwardMostMove-1); // [HGM] race
7601 DisplayBothClocks();
7602 sprintf(buf1, _("Illegal move \"%s\" (rejected by %s chess program)"),
7603 parseList[currentMove], cps->which);
7604 DisplayMoveError(buf1);
7605 DrawPosition(FALSE, boards[currentMove]);
7607 /* [HGM] illegal-move claim should forfeit game when Xboard */
7608 /* only passes fully legal moves */
7609 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
7610 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
7611 "False illegal-move claim", GE_XBOARD );
7615 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
7616 /* Program has a broken "time" command that
7617 outputs a string not ending in newline.
7623 * If chess program startup fails, exit with an error message.
7624 * Attempts to recover here are futile.
7626 if ((StrStr(message, "unknown host") != NULL)
7627 || (StrStr(message, "No remote directory") != NULL)
7628 || (StrStr(message, "not found") != NULL)
7629 || (StrStr(message, "No such file") != NULL)
7630 || (StrStr(message, "can't alloc") != NULL)
7631 || (StrStr(message, "Permission denied") != NULL)) {
7633 cps->maybeThinking = FALSE;
7634 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
7635 cps->which, cps->program, cps->host, message);
7636 RemoveInputSource(cps->isr);
7637 DisplayFatalError(buf1, 0, 1);
7642 * Look for hint output
7644 if (sscanf(message, "Hint: %s", buf1) == 1) {
7645 if (cps == &first && hintRequested) {
7646 hintRequested = FALSE;
7647 if (ParseOneMove(buf1, forwardMostMove, &moveType,
7648 &fromX, &fromY, &toX, &toY, &promoChar)) {
7649 (void) CoordsToAlgebraic(boards[forwardMostMove],
7650 PosFlags(forwardMostMove),
7651 fromY, fromX, toY, toX, promoChar, buf1);
7652 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
7653 DisplayInformation(buf2);
7655 /* Hint move could not be parsed!? */
7656 snprintf(buf2, sizeof(buf2),
7657 _("Illegal hint move \"%s\"\nfrom %s chess program"),
7659 DisplayError(buf2, 0);
7662 strcpy(lastHint, buf1);
7668 * Ignore other messages if game is not in progress
7670 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7671 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
7674 * look for win, lose, draw, or draw offer
7676 if (strncmp(message, "1-0", 3) == 0) {
7677 char *p, *q, *r = "";
7678 p = strchr(message, '{');
7686 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
7688 } else if (strncmp(message, "0-1", 3) == 0) {
7689 char *p, *q, *r = "";
7690 p = strchr(message, '{');
7698 /* Kludge for Arasan 4.1 bug */
7699 if (strcmp(r, "Black resigns") == 0) {
7700 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
7703 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
7705 } else if (strncmp(message, "1/2", 3) == 0) {
7706 char *p, *q, *r = "";
7707 p = strchr(message, '{');
7716 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
7719 } else if (strncmp(message, "White resign", 12) == 0) {
7720 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7722 } else if (strncmp(message, "Black resign", 12) == 0) {
7723 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7725 } else if (strncmp(message, "White matches", 13) == 0 ||
7726 strncmp(message, "Black matches", 13) == 0 ) {
7727 /* [HGM] ignore GNUShogi noises */
7729 } else if (strncmp(message, "White", 5) == 0 &&
7730 message[5] != '(' &&
7731 StrStr(message, "Black") == NULL) {
7732 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7734 } else if (strncmp(message, "Black", 5) == 0 &&
7735 message[5] != '(') {
7736 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7738 } else if (strcmp(message, "resign") == 0 ||
7739 strcmp(message, "computer resigns") == 0) {
7741 case MachinePlaysBlack:
7742 case IcsPlayingBlack:
7743 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
7745 case MachinePlaysWhite:
7746 case IcsPlayingWhite:
7747 GameEnds(BlackWins, "White resigns", GE_ENGINE);
7749 case TwoMachinesPlay:
7750 if (cps->twoMachinesColor[0] == 'w')
7751 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7753 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7760 } else if (strncmp(message, "opponent mates", 14) == 0) {
7762 case MachinePlaysBlack:
7763 case IcsPlayingBlack:
7764 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7766 case MachinePlaysWhite:
7767 case IcsPlayingWhite:
7768 GameEnds(BlackWins, "Black mates", GE_ENGINE);
7770 case TwoMachinesPlay:
7771 if (cps->twoMachinesColor[0] == 'w')
7772 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7774 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7781 } else if (strncmp(message, "computer mates", 14) == 0) {
7783 case MachinePlaysBlack:
7784 case IcsPlayingBlack:
7785 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
7787 case MachinePlaysWhite:
7788 case IcsPlayingWhite:
7789 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7791 case TwoMachinesPlay:
7792 if (cps->twoMachinesColor[0] == 'w')
7793 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7795 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7802 } else if (strncmp(message, "checkmate", 9) == 0) {
7803 if (WhiteOnMove(forwardMostMove)) {
7804 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7806 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7809 } else if (strstr(message, "Draw") != NULL ||
7810 strstr(message, "game is a draw") != NULL) {
7811 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
7813 } else if (strstr(message, "offer") != NULL &&
7814 strstr(message, "draw") != NULL) {
7816 if (appData.zippyPlay && first.initDone) {
7817 /* Relay offer to ICS */
7818 SendToICS(ics_prefix);
7819 SendToICS("draw\n");
7822 cps->offeredDraw = 2; /* valid until this engine moves twice */
7823 if (gameMode == TwoMachinesPlay) {
7824 if (cps->other->offeredDraw) {
7825 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7826 /* [HGM] in two-machine mode we delay relaying draw offer */
7827 /* until after we also have move, to see if it is really claim */
7829 } else if (gameMode == MachinePlaysWhite ||
7830 gameMode == MachinePlaysBlack) {
7831 if (userOfferedDraw) {
7832 DisplayInformation(_("Machine accepts your draw offer"));
7833 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7835 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
7842 * Look for thinking output
7844 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
7845 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7847 int plylev, mvleft, mvtot, curscore, time;
7848 char mvname[MOVE_LEN];
7852 int prefixHint = FALSE;
7853 mvname[0] = NULLCHAR;
7856 case MachinePlaysBlack:
7857 case IcsPlayingBlack:
7858 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7860 case MachinePlaysWhite:
7861 case IcsPlayingWhite:
7862 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7867 case IcsObserving: /* [DM] icsEngineAnalyze */
7868 if (!appData.icsEngineAnalyze) ignore = TRUE;
7870 case TwoMachinesPlay:
7871 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
7881 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
7883 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7884 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
7886 if (plyext != ' ' && plyext != '\t') {
7890 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7891 if( cps->scoreIsAbsolute &&
7892 ( gameMode == MachinePlaysBlack ||
7893 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
7894 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
7895 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
7896 !WhiteOnMove(currentMove)
7899 curscore = -curscore;
7903 tempStats.depth = plylev;
7904 tempStats.nodes = nodes;
7905 tempStats.time = time;
7906 tempStats.score = curscore;
7907 tempStats.got_only_move = 0;
7909 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
7912 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
7913 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
7914 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
7915 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
7916 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
7917 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
7918 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
7919 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
7922 /* Buffer overflow protection */
7923 if (buf1[0] != NULLCHAR) {
7924 if (strlen(buf1) >= sizeof(tempStats.movelist)
7925 && appData.debugMode) {
7927 "PV is too long; using the first %u bytes.\n",
7928 (unsigned) sizeof(tempStats.movelist) - 1);
7931 safeStrCpy( tempStats.movelist, buf1, sizeof(tempStats.movelist) );
7933 sprintf(tempStats.movelist, " no PV\n");
7936 if (tempStats.seen_stat) {
7937 tempStats.ok_to_send = 1;
7940 if (strchr(tempStats.movelist, '(') != NULL) {
7941 tempStats.line_is_book = 1;
7942 tempStats.nr_moves = 0;
7943 tempStats.moves_left = 0;
7945 tempStats.line_is_book = 0;
7948 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
7949 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
7951 SendProgramStatsToFrontend( cps, &tempStats );
7954 [AS] Protect the thinkOutput buffer from overflow... this
7955 is only useful if buf1 hasn't overflowed first!
7957 sprintf(thinkOutput, "[%d]%c%+.2f %s%s",
7959 (gameMode == TwoMachinesPlay ?
7960 ToUpper(cps->twoMachinesColor[0]) : ' '),
7961 ((double) curscore) / 100.0,
7962 prefixHint ? lastHint : "",
7963 prefixHint ? " " : "" );
7965 if( buf1[0] != NULLCHAR ) {
7966 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
7968 if( strlen(buf1) > max_len ) {
7969 if( appData.debugMode) {
7970 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
7972 buf1[max_len+1] = '\0';
7975 strcat( thinkOutput, buf1 );
7978 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
7979 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7980 DisplayMove(currentMove - 1);
7984 } else if ((p=StrStr(message, "(only move)")) != NULL) {
7985 /* crafty (9.25+) says "(only move) <move>"
7986 * if there is only 1 legal move
7988 sscanf(p, "(only move) %s", buf1);
7989 sprintf(thinkOutput, "%s (only move)", buf1);
7990 sprintf(programStats.movelist, "%s (only move)", buf1);
7991 programStats.depth = 1;
7992 programStats.nr_moves = 1;
7993 programStats.moves_left = 1;
7994 programStats.nodes = 1;
7995 programStats.time = 1;
7996 programStats.got_only_move = 1;
7998 /* Not really, but we also use this member to
7999 mean "line isn't going to change" (Crafty
8000 isn't searching, so stats won't change) */
8001 programStats.line_is_book = 1;
8003 SendProgramStatsToFrontend( cps, &programStats );
8005 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8006 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8007 DisplayMove(currentMove - 1);
8010 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8011 &time, &nodes, &plylev, &mvleft,
8012 &mvtot, mvname) >= 5) {
8013 /* The stat01: line is from Crafty (9.29+) in response
8014 to the "." command */
8015 programStats.seen_stat = 1;
8016 cps->maybeThinking = TRUE;
8018 if (programStats.got_only_move || !appData.periodicUpdates)
8021 programStats.depth = plylev;
8022 programStats.time = time;
8023 programStats.nodes = nodes;
8024 programStats.moves_left = mvleft;
8025 programStats.nr_moves = mvtot;
8026 strcpy(programStats.move_name, mvname);
8027 programStats.ok_to_send = 1;
8028 programStats.movelist[0] = '\0';
8030 SendProgramStatsToFrontend( cps, &programStats );
8034 } else if (strncmp(message,"++",2) == 0) {
8035 /* Crafty 9.29+ outputs this */
8036 programStats.got_fail = 2;
8039 } else if (strncmp(message,"--",2) == 0) {
8040 /* Crafty 9.29+ outputs this */
8041 programStats.got_fail = 1;
8044 } else if (thinkOutput[0] != NULLCHAR &&
8045 strncmp(message, " ", 4) == 0) {
8046 unsigned message_len;
8049 while (*p && *p == ' ') p++;
8051 message_len = strlen( p );
8053 /* [AS] Avoid buffer overflow */
8054 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8055 strcat(thinkOutput, " ");
8056 strcat(thinkOutput, p);
8059 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8060 strcat(programStats.movelist, " ");
8061 strcat(programStats.movelist, p);
8064 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8065 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8066 DisplayMove(currentMove - 1);
8074 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8075 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8077 ChessProgramStats cpstats;
8079 if (plyext != ' ' && plyext != '\t') {
8083 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8084 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8085 curscore = -curscore;
8088 cpstats.depth = plylev;
8089 cpstats.nodes = nodes;
8090 cpstats.time = time;
8091 cpstats.score = curscore;
8092 cpstats.got_only_move = 0;
8093 cpstats.movelist[0] = '\0';
8095 if (buf1[0] != NULLCHAR) {
8096 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist) );
8099 cpstats.ok_to_send = 0;
8100 cpstats.line_is_book = 0;
8101 cpstats.nr_moves = 0;
8102 cpstats.moves_left = 0;
8104 SendProgramStatsToFrontend( cps, &cpstats );
8111 /* Parse a game score from the character string "game", and
8112 record it as the history of the current game. The game
8113 score is NOT assumed to start from the standard position.
8114 The display is not updated in any way.
8117 ParseGameHistory(game)
8121 int fromX, fromY, toX, toY, boardIndex;
8126 if (appData.debugMode)
8127 fprintf(debugFP, "Parsing game history: %s\n", game);
8129 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8130 gameInfo.site = StrSave(appData.icsHost);
8131 gameInfo.date = PGNDate();
8132 gameInfo.round = StrSave("-");
8134 /* Parse out names of players */
8135 while (*game == ' ') game++;
8137 while (*game != ' ') *p++ = *game++;
8139 gameInfo.white = StrSave(buf);
8140 while (*game == ' ') game++;
8142 while (*game != ' ' && *game != '\n') *p++ = *game++;
8144 gameInfo.black = StrSave(buf);
8147 boardIndex = blackPlaysFirst ? 1 : 0;
8150 yyboardindex = boardIndex;
8151 moveType = (ChessMove) yylex();
8153 case IllegalMove: /* maybe suicide chess, etc. */
8154 if (appData.debugMode) {
8155 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8156 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8157 setbuf(debugFP, NULL);
8159 case WhitePromotionChancellor:
8160 case BlackPromotionChancellor:
8161 case WhitePromotionArchbishop:
8162 case BlackPromotionArchbishop:
8163 case WhitePromotionQueen:
8164 case BlackPromotionQueen:
8165 case WhitePromotionRook:
8166 case BlackPromotionRook:
8167 case WhitePromotionBishop:
8168 case BlackPromotionBishop:
8169 case WhitePromotionKnight:
8170 case BlackPromotionKnight:
8171 case WhitePromotionKing:
8172 case BlackPromotionKing:
8174 case WhiteCapturesEnPassant:
8175 case BlackCapturesEnPassant:
8176 case WhiteKingSideCastle:
8177 case WhiteQueenSideCastle:
8178 case BlackKingSideCastle:
8179 case BlackQueenSideCastle:
8180 case WhiteKingSideCastleWild:
8181 case WhiteQueenSideCastleWild:
8182 case BlackKingSideCastleWild:
8183 case BlackQueenSideCastleWild:
8185 case WhiteHSideCastleFR:
8186 case WhiteASideCastleFR:
8187 case BlackHSideCastleFR:
8188 case BlackASideCastleFR:
8190 fromX = currentMoveString[0] - AAA;
8191 fromY = currentMoveString[1] - ONE;
8192 toX = currentMoveString[2] - AAA;
8193 toY = currentMoveString[3] - ONE;
8194 promoChar = currentMoveString[4];
8198 fromX = moveType == WhiteDrop ?
8199 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8200 (int) CharToPiece(ToLower(currentMoveString[0]));
8202 toX = currentMoveString[2] - AAA;
8203 toY = currentMoveString[3] - ONE;
8204 promoChar = NULLCHAR;
8208 sprintf(buf, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8209 if (appData.debugMode) {
8210 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8211 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8212 setbuf(debugFP, NULL);
8214 DisplayError(buf, 0);
8216 case ImpossibleMove:
8218 sprintf(buf, _("Illegal move in ICS output: \"%s\""), yy_text);
8219 if (appData.debugMode) {
8220 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8221 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8222 setbuf(debugFP, NULL);
8224 DisplayError(buf, 0);
8226 case (ChessMove) 0: /* end of file */
8227 if (boardIndex < backwardMostMove) {
8228 /* Oops, gap. How did that happen? */
8229 DisplayError(_("Gap in move list"), 0);
8232 backwardMostMove = blackPlaysFirst ? 1 : 0;
8233 if (boardIndex > forwardMostMove) {
8234 forwardMostMove = boardIndex;
8238 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8239 strcat(parseList[boardIndex-1], " ");
8240 strcat(parseList[boardIndex-1], yy_text);
8252 case GameUnfinished:
8253 if (gameMode == IcsExamining) {
8254 if (boardIndex < backwardMostMove) {
8255 /* Oops, gap. How did that happen? */
8258 backwardMostMove = blackPlaysFirst ? 1 : 0;
8261 gameInfo.result = moveType;
8262 p = strchr(yy_text, '{');
8263 if (p == NULL) p = strchr(yy_text, '(');
8266 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8268 q = strchr(p, *p == '{' ? '}' : ')');
8269 if (q != NULL) *q = NULLCHAR;
8272 gameInfo.resultDetails = StrSave(p);
8275 if (boardIndex >= forwardMostMove &&
8276 !(gameMode == IcsObserving && ics_gamenum == -1)) {
8277 backwardMostMove = blackPlaysFirst ? 1 : 0;
8280 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
8281 fromY, fromX, toY, toX, promoChar,
8282 parseList[boardIndex]);
8283 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
8284 /* currentMoveString is set as a side-effect of yylex */
8285 strcpy(moveList[boardIndex], currentMoveString);
8286 strcat(moveList[boardIndex], "\n");
8288 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
8289 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
8295 if(gameInfo.variant != VariantShogi)
8296 strcat(parseList[boardIndex - 1], "+");
8300 strcat(parseList[boardIndex - 1], "#");
8307 /* Apply a move to the given board */
8309 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
8310 int fromX, fromY, toX, toY;
8314 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
8315 int promoRank = gameInfo.variant == VariantMakruk ? 3 : 1;
8317 /* [HGM] compute & store e.p. status and castling rights for new position */
8318 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
8321 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
8322 oldEP = (signed char)board[EP_STATUS];
8323 board[EP_STATUS] = EP_NONE;
8325 if( board[toY][toX] != EmptySquare )
8326 board[EP_STATUS] = EP_CAPTURE;
8328 if( board[fromY][fromX] == WhitePawn ) {
8329 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8330 board[EP_STATUS] = EP_PAWN_MOVE;
8332 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
8333 gameInfo.variant != VariantBerolina || toX < fromX)
8334 board[EP_STATUS] = toX | berolina;
8335 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
8336 gameInfo.variant != VariantBerolina || toX > fromX)
8337 board[EP_STATUS] = toX;
8340 if( board[fromY][fromX] == BlackPawn ) {
8341 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8342 board[EP_STATUS] = EP_PAWN_MOVE;
8343 if( toY-fromY== -2) {
8344 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
8345 gameInfo.variant != VariantBerolina || toX < fromX)
8346 board[EP_STATUS] = toX | berolina;
8347 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
8348 gameInfo.variant != VariantBerolina || toX > fromX)
8349 board[EP_STATUS] = toX;
8353 for(i=0; i<nrCastlingRights; i++) {
8354 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
8355 board[CASTLING][i] == toX && castlingRank[i] == toY
8356 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
8361 /* [HGM] In Shatranj and Courier all promotions are to Ferz */
8362 if((gameInfo.variant==VariantShatranj || gameInfo.variant==VariantCourier || gameInfo.variant == VariantMakruk)
8363 && promoChar != 0) promoChar = PieceToChar(WhiteFerz);
8365 if (fromX == toX && fromY == toY) return;
8367 if (fromY == DROP_RANK) {
8369 piece = board[toY][toX] = (ChessSquare) fromX;
8371 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
8372 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
8373 if(gameInfo.variant == VariantKnightmate)
8374 king += (int) WhiteUnicorn - (int) WhiteKing;
8376 /* Code added by Tord: */
8377 /* FRC castling assumed when king captures friendly rook. */
8378 if (board[fromY][fromX] == WhiteKing &&
8379 board[toY][toX] == WhiteRook) {
8380 board[fromY][fromX] = EmptySquare;
8381 board[toY][toX] = EmptySquare;
8383 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
8385 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
8387 } else if (board[fromY][fromX] == BlackKing &&
8388 board[toY][toX] == BlackRook) {
8389 board[fromY][fromX] = EmptySquare;
8390 board[toY][toX] = EmptySquare;
8392 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
8394 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
8396 /* End of code added by Tord */
8398 } else if (board[fromY][fromX] == king
8399 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8400 && toY == fromY && toX > fromX+1) {
8401 board[fromY][fromX] = EmptySquare;
8402 board[toY][toX] = king;
8403 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8404 board[fromY][BOARD_RGHT-1] = EmptySquare;
8405 } else if (board[fromY][fromX] == king
8406 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8407 && toY == fromY && toX < fromX-1) {
8408 board[fromY][fromX] = EmptySquare;
8409 board[toY][toX] = king;
8410 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8411 board[fromY][BOARD_LEFT] = EmptySquare;
8412 } else if (board[fromY][fromX] == WhitePawn
8413 && toY >= BOARD_HEIGHT-promoRank
8414 && gameInfo.variant != VariantXiangqi
8416 /* white pawn promotion */
8417 board[toY][toX] = CharToPiece(ToUpper(promoChar));
8418 if (board[toY][toX] == EmptySquare) {
8419 board[toY][toX] = WhiteQueen;
8421 if(gameInfo.variant==VariantBughouse ||
8422 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8423 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8424 board[fromY][fromX] = EmptySquare;
8425 } else if ((fromY == BOARD_HEIGHT-4)
8427 && gameInfo.variant != VariantXiangqi
8428 && gameInfo.variant != VariantBerolina
8429 && (board[fromY][fromX] == WhitePawn)
8430 && (board[toY][toX] == EmptySquare)) {
8431 board[fromY][fromX] = EmptySquare;
8432 board[toY][toX] = WhitePawn;
8433 captured = board[toY - 1][toX];
8434 board[toY - 1][toX] = EmptySquare;
8435 } else if ((fromY == BOARD_HEIGHT-4)
8437 && gameInfo.variant == VariantBerolina
8438 && (board[fromY][fromX] == WhitePawn)
8439 && (board[toY][toX] == EmptySquare)) {
8440 board[fromY][fromX] = EmptySquare;
8441 board[toY][toX] = WhitePawn;
8442 if(oldEP & EP_BEROLIN_A) {
8443 captured = board[fromY][fromX-1];
8444 board[fromY][fromX-1] = EmptySquare;
8445 }else{ captured = board[fromY][fromX+1];
8446 board[fromY][fromX+1] = EmptySquare;
8448 } else if (board[fromY][fromX] == king
8449 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8450 && toY == fromY && toX > fromX+1) {
8451 board[fromY][fromX] = EmptySquare;
8452 board[toY][toX] = king;
8453 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8454 board[fromY][BOARD_RGHT-1] = EmptySquare;
8455 } else if (board[fromY][fromX] == king
8456 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8457 && toY == fromY && toX < fromX-1) {
8458 board[fromY][fromX] = EmptySquare;
8459 board[toY][toX] = king;
8460 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8461 board[fromY][BOARD_LEFT] = EmptySquare;
8462 } else if (fromY == 7 && fromX == 3
8463 && board[fromY][fromX] == BlackKing
8464 && toY == 7 && toX == 5) {
8465 board[fromY][fromX] = EmptySquare;
8466 board[toY][toX] = BlackKing;
8467 board[fromY][7] = EmptySquare;
8468 board[toY][4] = BlackRook;
8469 } else if (fromY == 7 && fromX == 3
8470 && board[fromY][fromX] == BlackKing
8471 && toY == 7 && toX == 1) {
8472 board[fromY][fromX] = EmptySquare;
8473 board[toY][toX] = BlackKing;
8474 board[fromY][0] = EmptySquare;
8475 board[toY][2] = BlackRook;
8476 } else if (board[fromY][fromX] == BlackPawn
8478 && gameInfo.variant != VariantXiangqi
8480 /* black pawn promotion */
8481 board[toY][toX] = CharToPiece(ToLower(promoChar));
8482 if (board[toY][toX] == EmptySquare) {
8483 board[toY][toX] = BlackQueen;
8485 if(gameInfo.variant==VariantBughouse ||
8486 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8487 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8488 board[fromY][fromX] = EmptySquare;
8489 } else if ((fromY == 3)
8491 && gameInfo.variant != VariantXiangqi
8492 && gameInfo.variant != VariantBerolina
8493 && (board[fromY][fromX] == BlackPawn)
8494 && (board[toY][toX] == EmptySquare)) {
8495 board[fromY][fromX] = EmptySquare;
8496 board[toY][toX] = BlackPawn;
8497 captured = board[toY + 1][toX];
8498 board[toY + 1][toX] = EmptySquare;
8499 } else if ((fromY == 3)
8501 && gameInfo.variant == VariantBerolina
8502 && (board[fromY][fromX] == BlackPawn)
8503 && (board[toY][toX] == EmptySquare)) {
8504 board[fromY][fromX] = EmptySquare;
8505 board[toY][toX] = BlackPawn;
8506 if(oldEP & EP_BEROLIN_A) {
8507 captured = board[fromY][fromX-1];
8508 board[fromY][fromX-1] = EmptySquare;
8509 }else{ captured = board[fromY][fromX+1];
8510 board[fromY][fromX+1] = EmptySquare;
8513 board[toY][toX] = board[fromY][fromX];
8514 board[fromY][fromX] = EmptySquare;
8517 /* [HGM] now we promote for Shogi, if needed */
8518 if(gameInfo.variant == VariantShogi && promoChar == 'q')
8519 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8522 if (gameInfo.holdingsWidth != 0) {
8524 /* !!A lot more code needs to be written to support holdings */
8525 /* [HGM] OK, so I have written it. Holdings are stored in the */
8526 /* penultimate board files, so they are automaticlly stored */
8527 /* in the game history. */
8528 if (fromY == DROP_RANK) {
8529 /* Delete from holdings, by decreasing count */
8530 /* and erasing image if necessary */
8532 if(p < (int) BlackPawn) { /* white drop */
8533 p -= (int)WhitePawn;
8534 p = PieceToNumber((ChessSquare)p);
8535 if(p >= gameInfo.holdingsSize) p = 0;
8536 if(--board[p][BOARD_WIDTH-2] <= 0)
8537 board[p][BOARD_WIDTH-1] = EmptySquare;
8538 if((int)board[p][BOARD_WIDTH-2] < 0)
8539 board[p][BOARD_WIDTH-2] = 0;
8540 } else { /* black drop */
8541 p -= (int)BlackPawn;
8542 p = PieceToNumber((ChessSquare)p);
8543 if(p >= gameInfo.holdingsSize) p = 0;
8544 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
8545 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
8546 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
8547 board[BOARD_HEIGHT-1-p][1] = 0;
8550 if (captured != EmptySquare && gameInfo.holdingsSize > 0
8551 && gameInfo.variant != VariantBughouse ) {
8552 /* [HGM] holdings: Add to holdings, if holdings exist */
8553 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
8554 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
8555 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
8558 if (p >= (int) BlackPawn) {
8559 p -= (int)BlackPawn;
8560 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8561 /* in Shogi restore piece to its original first */
8562 captured = (ChessSquare) (DEMOTED captured);
8565 p = PieceToNumber((ChessSquare)p);
8566 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
8567 board[p][BOARD_WIDTH-2]++;
8568 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
8570 p -= (int)WhitePawn;
8571 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8572 captured = (ChessSquare) (DEMOTED captured);
8575 p = PieceToNumber((ChessSquare)p);
8576 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
8577 board[BOARD_HEIGHT-1-p][1]++;
8578 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
8581 } else if (gameInfo.variant == VariantAtomic) {
8582 if (captured != EmptySquare) {
8584 for (y = toY-1; y <= toY+1; y++) {
8585 for (x = toX-1; x <= toX+1; x++) {
8586 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
8587 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
8588 board[y][x] = EmptySquare;
8592 board[toY][toX] = EmptySquare;
8595 if(gameInfo.variant == VariantShogi && promoChar != NULLCHAR && promoChar != '=') {
8596 /* [HGM] Shogi promotions */
8597 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8600 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8601 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
8602 // [HGM] superchess: take promotion piece out of holdings
8603 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
8604 if((int)piece < (int)BlackPawn) { // determine stm from piece color
8605 if(!--board[k][BOARD_WIDTH-2])
8606 board[k][BOARD_WIDTH-1] = EmptySquare;
8608 if(!--board[BOARD_HEIGHT-1-k][1])
8609 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
8615 /* Updates forwardMostMove */
8617 MakeMove(fromX, fromY, toX, toY, promoChar)
8618 int fromX, fromY, toX, toY;
8621 // forwardMostMove++; // [HGM] bare: moved downstream
8623 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
8624 int timeLeft; static int lastLoadFlag=0; int king, piece;
8625 piece = boards[forwardMostMove][fromY][fromX];
8626 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
8627 if(gameInfo.variant == VariantKnightmate)
8628 king += (int) WhiteUnicorn - (int) WhiteKing;
8629 if(forwardMostMove == 0) {
8631 fprintf(serverMoves, "%s;", second.tidy);
8632 fprintf(serverMoves, "%s;", first.tidy);
8633 if(!blackPlaysFirst)
8634 fprintf(serverMoves, "%s;", second.tidy);
8635 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
8636 lastLoadFlag = loadFlag;
8638 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
8639 // print castling suffix
8640 if( toY == fromY && piece == king ) {
8642 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
8644 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
8647 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
8648 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
8649 boards[forwardMostMove][toY][toX] == EmptySquare
8650 && fromX != toX && fromY != toY)
8651 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
8653 if(promoChar != NULLCHAR)
8654 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
8656 fprintf(serverMoves, "/%d/%d",
8657 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
8658 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
8659 else timeLeft = blackTimeRemaining/1000;
8660 fprintf(serverMoves, "/%d", timeLeft);
8662 fflush(serverMoves);
8665 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
8666 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
8670 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
8671 if (commentList[forwardMostMove+1] != NULL) {
8672 free(commentList[forwardMostMove+1]);
8673 commentList[forwardMostMove+1] = NULL;
8675 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8676 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
8677 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
8678 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
8679 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
8680 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
8681 gameInfo.result = GameUnfinished;
8682 if (gameInfo.resultDetails != NULL) {
8683 free(gameInfo.resultDetails);
8684 gameInfo.resultDetails = NULL;
8686 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
8687 moveList[forwardMostMove - 1]);
8688 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
8689 PosFlags(forwardMostMove - 1),
8690 fromY, fromX, toY, toX, promoChar,
8691 parseList[forwardMostMove - 1]);
8692 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8698 if(gameInfo.variant != VariantShogi)
8699 strcat(parseList[forwardMostMove - 1], "+");
8703 strcat(parseList[forwardMostMove - 1], "#");
8706 if (appData.debugMode) {
8707 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
8712 /* Updates currentMove if not pausing */
8714 ShowMove(fromX, fromY, toX, toY)
8716 int instant = (gameMode == PlayFromGameFile) ?
8717 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
8718 if(appData.noGUI) return;
8719 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
8721 if (forwardMostMove == currentMove + 1) {
8722 AnimateMove(boards[forwardMostMove - 1],
8723 fromX, fromY, toX, toY);
8725 if (appData.highlightLastMove) {
8726 SetHighlights(fromX, fromY, toX, toY);
8729 currentMove = forwardMostMove;
8732 if (instant) return;
8734 DisplayMove(currentMove - 1);
8735 DrawPosition(FALSE, boards[currentMove]);
8736 DisplayBothClocks();
8737 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
8740 void SendEgtPath(ChessProgramState *cps)
8741 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
8742 char buf[MSG_SIZ], name[MSG_SIZ], *p;
8744 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
8747 char c, *q = name+1, *r, *s;
8749 name[0] = ','; // extract next format name from feature and copy with prefixed ','
8750 while(*p && *p != ',') *q++ = *p++;
8752 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
8753 strcmp(name, ",nalimov:") == 0 ) {
8754 // take nalimov path from the menu-changeable option first, if it is defined
8755 sprintf(buf, "egtpath nalimov %s\n", appData.defaultPathEGTB);
8756 SendToProgram(buf,cps); // send egtbpath command for nalimov
8758 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
8759 (s = StrStr(appData.egtFormats, name)) != NULL) {
8760 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
8761 s = r = StrStr(s, ":") + 1; // beginning of path info
8762 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
8763 c = *r; *r = 0; // temporarily null-terminate path info
8764 *--q = 0; // strip of trailig ':' from name
8765 sprintf(buf, "egtpath %s %s\n", name+1, s);
8767 SendToProgram(buf,cps); // send egtbpath command for this format
8769 if(*p == ',') p++; // read away comma to position for next format name
8774 InitChessProgram(cps, setup)
8775 ChessProgramState *cps;
8776 int setup; /* [HGM] needed to setup FRC opening position */
8778 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
8779 if (appData.noChessProgram) return;
8780 hintRequested = FALSE;
8781 bookRequested = FALSE;
8783 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
8784 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
8785 if(cps->memSize) { /* [HGM] memory */
8786 sprintf(buf, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
8787 SendToProgram(buf, cps);
8789 SendEgtPath(cps); /* [HGM] EGT */
8790 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
8791 sprintf(buf, "cores %d\n", appData.smpCores);
8792 SendToProgram(buf, cps);
8795 SendToProgram(cps->initString, cps);
8796 if (gameInfo.variant != VariantNormal &&
8797 gameInfo.variant != VariantLoadable
8798 /* [HGM] also send variant if board size non-standard */
8799 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
8801 char *v = VariantName(gameInfo.variant);
8802 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
8803 /* [HGM] in protocol 1 we have to assume all variants valid */
8804 sprintf(buf, _("Variant %s not supported by %s"), v, cps->tidy);
8805 DisplayFatalError(buf, 0, 1);
8809 /* [HGM] make prefix for non-standard board size. Awkward testing... */
8810 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8811 if( gameInfo.variant == VariantXiangqi )
8812 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
8813 if( gameInfo.variant == VariantShogi )
8814 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
8815 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
8816 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
8817 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
8818 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
8819 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8820 if( gameInfo.variant == VariantCourier )
8821 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8822 if( gameInfo.variant == VariantSuper )
8823 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8824 if( gameInfo.variant == VariantGreat )
8825 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8828 sprintf(b, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
8829 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
8830 /* [HGM] varsize: try first if this defiant size variant is specifically known */
8831 if(StrStr(cps->variants, b) == NULL) {
8832 // specific sized variant not known, check if general sizing allowed
8833 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
8834 if(StrStr(cps->variants, "boardsize") == NULL) {
8835 sprintf(buf, "Board size %dx%d+%d not supported by %s",
8836 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
8837 DisplayFatalError(buf, 0, 1);
8840 /* [HGM] here we really should compare with the maximum supported board size */
8843 } else sprintf(b, "%s", VariantName(gameInfo.variant));
8844 sprintf(buf, "variant %s\n", b);
8845 SendToProgram(buf, cps);
8847 currentlyInitializedVariant = gameInfo.variant;
8849 /* [HGM] send opening position in FRC to first engine */
8851 SendToProgram("force\n", cps);
8853 /* engine is now in force mode! Set flag to wake it up after first move. */
8854 setboardSpoiledMachineBlack = 1;
8858 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
8859 SendToProgram(buf, cps);
8861 cps->maybeThinking = FALSE;
8862 cps->offeredDraw = 0;
8863 if (!appData.icsActive) {
8864 SendTimeControl(cps, movesPerSession, timeControl,
8865 timeIncrement, appData.searchDepth,
8868 if (appData.showThinking
8869 // [HGM] thinking: four options require thinking output to be sent
8870 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8872 SendToProgram("post\n", cps);
8874 SendToProgram("hard\n", cps);
8875 if (!appData.ponderNextMove) {
8876 /* Warning: "easy" is a toggle in GNU Chess, so don't send
8877 it without being sure what state we are in first. "hard"
8878 is not a toggle, so that one is OK.
8880 SendToProgram("easy\n", cps);
8883 sprintf(buf, "ping %d\n", ++cps->lastPing);
8884 SendToProgram(buf, cps);
8886 cps->initDone = TRUE;
8891 StartChessProgram(cps)
8892 ChessProgramState *cps;
8897 if (appData.noChessProgram) return;
8898 cps->initDone = FALSE;
8900 if (strcmp(cps->host, "localhost") == 0) {
8901 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
8902 } else if (*appData.remoteShell == NULLCHAR) {
8903 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
8905 if (*appData.remoteUser == NULLCHAR) {
8906 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
8909 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
8910 cps->host, appData.remoteUser, cps->program);
8912 err = StartChildProcess(buf, "", &cps->pr);
8916 sprintf(buf, _("Startup failure on '%s'"), cps->program);
8917 DisplayFatalError(buf, err, 1);
8923 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
8924 if (cps->protocolVersion > 1) {
8925 sprintf(buf, "xboard\nprotover %d\n", cps->protocolVersion);
8926 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
8927 cps->comboCnt = 0; // and values of combo boxes
8928 SendToProgram(buf, cps);
8930 SendToProgram("xboard\n", cps);
8936 TwoMachinesEventIfReady P((void))
8938 if (first.lastPing != first.lastPong) {
8939 DisplayMessage("", _("Waiting for first chess program"));
8940 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8943 if (second.lastPing != second.lastPong) {
8944 DisplayMessage("", _("Waiting for second chess program"));
8945 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8953 NextMatchGame P((void))
8955 int index; /* [HGM] autoinc: step load index during match */
8957 if (*appData.loadGameFile != NULLCHAR) {
8958 index = appData.loadGameIndex;
8959 if(index < 0) { // [HGM] autoinc
8960 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8961 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8963 LoadGameFromFile(appData.loadGameFile,
8965 appData.loadGameFile, FALSE);
8966 } else if (*appData.loadPositionFile != NULLCHAR) {
8967 index = appData.loadPositionIndex;
8968 if(index < 0) { // [HGM] autoinc
8969 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8970 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8972 LoadPositionFromFile(appData.loadPositionFile,
8974 appData.loadPositionFile);
8976 TwoMachinesEventIfReady();
8979 void UserAdjudicationEvent( int result )
8981 ChessMove gameResult = GameIsDrawn;
8984 gameResult = WhiteWins;
8986 else if( result < 0 ) {
8987 gameResult = BlackWins;
8990 if( gameMode == TwoMachinesPlay ) {
8991 GameEnds( gameResult, "User adjudication", GE_XBOARD );
8996 // [HGM] save: calculate checksum of game to make games easily identifiable
8997 int StringCheckSum(char *s)
9000 if(s==NULL) return 0;
9001 while(*s) i = i*259 + *s++;
9008 for(i=backwardMostMove; i<forwardMostMove; i++) {
9009 sum += pvInfoList[i].depth;
9010 sum += StringCheckSum(parseList[i]);
9011 sum += StringCheckSum(commentList[i]);
9014 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
9015 return sum + StringCheckSum(commentList[i]);
9016 } // end of save patch
9019 GameEnds(result, resultDetails, whosays)
9021 char *resultDetails;
9024 GameMode nextGameMode;
9026 char buf[MSG_SIZ], popupRequested = 0;
9028 if(endingGame) return; /* [HGM] crash: forbid recursion */
9030 if(twoBoards) { // [HGM] dual: switch back to one board
9031 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
9032 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
9034 if (appData.debugMode) {
9035 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
9036 result, resultDetails ? resultDetails : "(null)", whosays);
9039 fromX = fromY = -1; // [HGM] abort any move the user is entering.
9041 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
9042 /* If we are playing on ICS, the server decides when the
9043 game is over, but the engine can offer to draw, claim
9047 if (appData.zippyPlay && first.initDone) {
9048 if (result == GameIsDrawn) {
9049 /* In case draw still needs to be claimed */
9050 SendToICS(ics_prefix);
9051 SendToICS("draw\n");
9052 } else if (StrCaseStr(resultDetails, "resign")) {
9053 SendToICS(ics_prefix);
9054 SendToICS("resign\n");
9058 endingGame = 0; /* [HGM] crash */
9062 /* If we're loading the game from a file, stop */
9063 if (whosays == GE_FILE) {
9064 (void) StopLoadGameTimer();
9068 /* Cancel draw offers */
9069 first.offeredDraw = second.offeredDraw = 0;
9071 /* If this is an ICS game, only ICS can really say it's done;
9072 if not, anyone can. */
9073 isIcsGame = (gameMode == IcsPlayingWhite ||
9074 gameMode == IcsPlayingBlack ||
9075 gameMode == IcsObserving ||
9076 gameMode == IcsExamining);
9078 if (!isIcsGame || whosays == GE_ICS) {
9079 /* OK -- not an ICS game, or ICS said it was done */
9081 if (!isIcsGame && !appData.noChessProgram)
9082 SetUserThinkingEnables();
9084 /* [HGM] if a machine claims the game end we verify this claim */
9085 if(gameMode == TwoMachinesPlay && appData.testClaims) {
9086 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
9088 ChessMove trueResult = (ChessMove) -1;
9090 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
9091 first.twoMachinesColor[0] :
9092 second.twoMachinesColor[0] ;
9094 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
9095 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
9096 /* [HGM] verify: engine mate claims accepted if they were flagged */
9097 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
9099 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
9100 /* [HGM] verify: engine mate claims accepted if they were flagged */
9101 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
9103 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
9104 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
9107 // now verify win claims, but not in drop games, as we don't understand those yet
9108 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
9109 || gameInfo.variant == VariantGreat) &&
9110 (result == WhiteWins && claimer == 'w' ||
9111 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
9112 if (appData.debugMode) {
9113 fprintf(debugFP, "result=%d sp=%d move=%d\n",
9114 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
9116 if(result != trueResult) {
9117 sprintf(buf, "False win claim: '%s'", resultDetails);
9118 result = claimer == 'w' ? BlackWins : WhiteWins;
9119 resultDetails = buf;
9122 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
9123 && (forwardMostMove <= backwardMostMove ||
9124 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
9125 (claimer=='b')==(forwardMostMove&1))
9127 /* [HGM] verify: draws that were not flagged are false claims */
9128 sprintf(buf, "False draw claim: '%s'", resultDetails);
9129 result = claimer == 'w' ? BlackWins : WhiteWins;
9130 resultDetails = buf;
9132 /* (Claiming a loss is accepted no questions asked!) */
9134 /* [HGM] bare: don't allow bare King to win */
9135 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
9136 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
9137 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
9138 && result != GameIsDrawn)
9139 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
9140 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
9141 int p = (signed char)boards[forwardMostMove][i][j] - color;
9142 if(p >= 0 && p <= (int)WhiteKing) k++;
9144 if (appData.debugMode) {
9145 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
9146 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
9149 result = GameIsDrawn;
9150 sprintf(buf, "%s but bare king", resultDetails);
9151 resultDetails = buf;
9157 if(serverMoves != NULL && !loadFlag) { char c = '=';
9158 if(result==WhiteWins) c = '+';
9159 if(result==BlackWins) c = '-';
9160 if(resultDetails != NULL)
9161 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
9163 if (resultDetails != NULL) {
9164 gameInfo.result = result;
9165 gameInfo.resultDetails = StrSave(resultDetails);
9167 /* display last move only if game was not loaded from file */
9168 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
9169 DisplayMove(currentMove - 1);
9171 if (forwardMostMove != 0) {
9172 if (gameMode != PlayFromGameFile && gameMode != EditGame
9173 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
9175 if (*appData.saveGameFile != NULLCHAR) {
9176 SaveGameToFile(appData.saveGameFile, TRUE);
9177 } else if (appData.autoSaveGames) {
9180 if (*appData.savePositionFile != NULLCHAR) {
9181 SavePositionToFile(appData.savePositionFile);
9186 /* Tell program how game ended in case it is learning */
9187 /* [HGM] Moved this to after saving the PGN, just in case */
9188 /* engine died and we got here through time loss. In that */
9189 /* case we will get a fatal error writing the pipe, which */
9190 /* would otherwise lose us the PGN. */
9191 /* [HGM] crash: not needed anymore, but doesn't hurt; */
9192 /* output during GameEnds should never be fatal anymore */
9193 if (gameMode == MachinePlaysWhite ||
9194 gameMode == MachinePlaysBlack ||
9195 gameMode == TwoMachinesPlay ||
9196 gameMode == IcsPlayingWhite ||
9197 gameMode == IcsPlayingBlack ||
9198 gameMode == BeginningOfGame) {
9200 sprintf(buf, "result %s {%s}\n", PGNResult(result),
9202 if (first.pr != NoProc) {
9203 SendToProgram(buf, &first);
9205 if (second.pr != NoProc &&
9206 gameMode == TwoMachinesPlay) {
9207 SendToProgram(buf, &second);
9212 if (appData.icsActive) {
9213 if (appData.quietPlay &&
9214 (gameMode == IcsPlayingWhite ||
9215 gameMode == IcsPlayingBlack)) {
9216 SendToICS(ics_prefix);
9217 SendToICS("set shout 1\n");
9219 nextGameMode = IcsIdle;
9220 ics_user_moved = FALSE;
9221 /* clean up premove. It's ugly when the game has ended and the
9222 * premove highlights are still on the board.
9226 ClearPremoveHighlights();
9227 DrawPosition(FALSE, boards[currentMove]);
9229 if (whosays == GE_ICS) {
9232 if (gameMode == IcsPlayingWhite)
9234 else if(gameMode == IcsPlayingBlack)
9238 if (gameMode == IcsPlayingBlack)
9240 else if(gameMode == IcsPlayingWhite)
9247 PlayIcsUnfinishedSound();
9250 } else if (gameMode == EditGame ||
9251 gameMode == PlayFromGameFile ||
9252 gameMode == AnalyzeMode ||
9253 gameMode == AnalyzeFile) {
9254 nextGameMode = gameMode;
9256 nextGameMode = EndOfGame;
9261 nextGameMode = gameMode;
9264 if (appData.noChessProgram) {
9265 gameMode = nextGameMode;
9267 endingGame = 0; /* [HGM] crash */
9272 /* Put first chess program into idle state */
9273 if (first.pr != NoProc &&
9274 (gameMode == MachinePlaysWhite ||
9275 gameMode == MachinePlaysBlack ||
9276 gameMode == TwoMachinesPlay ||
9277 gameMode == IcsPlayingWhite ||
9278 gameMode == IcsPlayingBlack ||
9279 gameMode == BeginningOfGame)) {
9280 SendToProgram("force\n", &first);
9281 if (first.usePing) {
9283 sprintf(buf, "ping %d\n", ++first.lastPing);
9284 SendToProgram(buf, &first);
9287 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9288 /* Kill off first chess program */
9289 if (first.isr != NULL)
9290 RemoveInputSource(first.isr);
9293 if (first.pr != NoProc) {
9295 DoSleep( appData.delayBeforeQuit );
9296 SendToProgram("quit\n", &first);
9297 DoSleep( appData.delayAfterQuit );
9298 DestroyChildProcess(first.pr, first.useSigterm);
9303 /* Put second chess program into idle state */
9304 if (second.pr != NoProc &&
9305 gameMode == TwoMachinesPlay) {
9306 SendToProgram("force\n", &second);
9307 if (second.usePing) {
9309 sprintf(buf, "ping %d\n", ++second.lastPing);
9310 SendToProgram(buf, &second);
9313 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9314 /* Kill off second chess program */
9315 if (second.isr != NULL)
9316 RemoveInputSource(second.isr);
9319 if (second.pr != NoProc) {
9320 DoSleep( appData.delayBeforeQuit );
9321 SendToProgram("quit\n", &second);
9322 DoSleep( appData.delayAfterQuit );
9323 DestroyChildProcess(second.pr, second.useSigterm);
9328 if (matchMode && gameMode == TwoMachinesPlay) {
9331 if (first.twoMachinesColor[0] == 'w') {
9338 if (first.twoMachinesColor[0] == 'b') {
9347 if (matchGame < appData.matchGames) {
9349 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
9350 tmp = first.twoMachinesColor;
9351 first.twoMachinesColor = second.twoMachinesColor;
9352 second.twoMachinesColor = tmp;
9354 gameMode = nextGameMode;
9356 if(appData.matchPause>10000 || appData.matchPause<10)
9357 appData.matchPause = 10000; /* [HGM] make pause adjustable */
9358 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
9359 endingGame = 0; /* [HGM] crash */
9362 gameMode = nextGameMode;
9363 sprintf(buf, _("Match %s vs. %s: final score %d-%d-%d"),
9364 first.tidy, second.tidy,
9365 first.matchWins, second.matchWins,
9366 appData.matchGames - (first.matchWins + second.matchWins));
9367 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
9370 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
9371 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
9373 gameMode = nextGameMode;
9375 endingGame = 0; /* [HGM] crash */
9376 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
9377 if(matchMode == TRUE) DisplayFatalError(buf, 0, 0); else {
9378 matchMode = FALSE; appData.matchGames = matchGame = 0;
9384 /* Assumes program was just initialized (initString sent).
9385 Leaves program in force mode. */
9387 FeedMovesToProgram(cps, upto)
9388 ChessProgramState *cps;
9393 if (appData.debugMode)
9394 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
9395 startedFromSetupPosition ? "position and " : "",
9396 backwardMostMove, upto, cps->which);
9397 if(currentlyInitializedVariant != gameInfo.variant) { char buf[MSG_SIZ];
9398 // [HGM] variantswitch: make engine aware of new variant
9399 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
9400 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
9401 sprintf(buf, "variant %s\n", VariantName(gameInfo.variant));
9402 SendToProgram(buf, cps);
9403 currentlyInitializedVariant = gameInfo.variant;
9405 SendToProgram("force\n", cps);
9406 if (startedFromSetupPosition) {
9407 SendBoard(cps, backwardMostMove);
9408 if (appData.debugMode) {
9409 fprintf(debugFP, "feedMoves\n");
9412 for (i = backwardMostMove; i < upto; i++) {
9413 SendMoveToProgram(i, cps);
9419 ResurrectChessProgram()
9421 /* The chess program may have exited.
9422 If so, restart it and feed it all the moves made so far. */
9424 if (appData.noChessProgram || first.pr != NoProc) return;
9426 StartChessProgram(&first);
9427 InitChessProgram(&first, FALSE);
9428 FeedMovesToProgram(&first, currentMove);
9430 if (!first.sendTime) {
9431 /* can't tell gnuchess what its clock should read,
9432 so we bow to its notion. */
9434 timeRemaining[0][currentMove] = whiteTimeRemaining;
9435 timeRemaining[1][currentMove] = blackTimeRemaining;
9438 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
9439 appData.icsEngineAnalyze) && first.analysisSupport) {
9440 SendToProgram("analyze\n", &first);
9441 first.analyzing = TRUE;
9454 if (appData.debugMode) {
9455 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
9456 redraw, init, gameMode);
9458 CleanupTail(); // [HGM] vari: delete any stored variations
9459 pausing = pauseExamInvalid = FALSE;
9460 startedFromSetupPosition = blackPlaysFirst = FALSE;
9462 whiteFlag = blackFlag = FALSE;
9463 userOfferedDraw = FALSE;
9464 hintRequested = bookRequested = FALSE;
9465 first.maybeThinking = FALSE;
9466 second.maybeThinking = FALSE;
9467 first.bookSuspend = FALSE; // [HGM] book
9468 second.bookSuspend = FALSE;
9469 thinkOutput[0] = NULLCHAR;
9470 lastHint[0] = NULLCHAR;
9471 ClearGameInfo(&gameInfo);
9472 gameInfo.variant = StringToVariant(appData.variant);
9473 ics_user_moved = ics_clock_paused = FALSE;
9474 ics_getting_history = H_FALSE;
9476 white_holding[0] = black_holding[0] = NULLCHAR;
9477 ClearProgramStats();
9478 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
9482 flipView = appData.flipView;
9483 ClearPremoveHighlights();
9485 alarmSounded = FALSE;
9487 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
9488 if(appData.serverMovesName != NULL) {
9489 /* [HGM] prepare to make moves file for broadcasting */
9490 clock_t t = clock();
9491 if(serverMoves != NULL) fclose(serverMoves);
9492 serverMoves = fopen(appData.serverMovesName, "r");
9493 if(serverMoves != NULL) {
9494 fclose(serverMoves);
9495 /* delay 15 sec before overwriting, so all clients can see end */
9496 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
9498 serverMoves = fopen(appData.serverMovesName, "w");
9502 gameMode = BeginningOfGame;
9504 if(appData.icsActive) gameInfo.variant = VariantNormal;
9505 currentMove = forwardMostMove = backwardMostMove = 0;
9506 InitPosition(redraw);
9507 for (i = 0; i < MAX_MOVES; i++) {
9508 if (commentList[i] != NULL) {
9509 free(commentList[i]);
9510 commentList[i] = NULL;
9514 timeRemaining[0][0] = whiteTimeRemaining;
9515 timeRemaining[1][0] = blackTimeRemaining;
9516 if (first.pr == NULL) {
9517 StartChessProgram(&first);
9520 InitChessProgram(&first, startedFromSetupPosition);
9523 DisplayMessage("", "");
9524 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9525 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
9532 if (!AutoPlayOneMove())
9534 if (matchMode || appData.timeDelay == 0)
9536 if (appData.timeDelay < 0 || gameMode == AnalyzeFile)
9538 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
9547 int fromX, fromY, toX, toY;
9549 if (appData.debugMode) {
9550 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
9553 if (gameMode != PlayFromGameFile)
9556 if (currentMove >= forwardMostMove) {
9557 gameMode = EditGame;
9560 /* [AS] Clear current move marker at the end of a game */
9561 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
9566 toX = moveList[currentMove][2] - AAA;
9567 toY = moveList[currentMove][3] - ONE;
9569 if (moveList[currentMove][1] == '@') {
9570 if (appData.highlightLastMove) {
9571 SetHighlights(-1, -1, toX, toY);
9574 fromX = moveList[currentMove][0] - AAA;
9575 fromY = moveList[currentMove][1] - ONE;
9577 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
9579 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
9581 if (appData.highlightLastMove) {
9582 SetHighlights(fromX, fromY, toX, toY);
9585 DisplayMove(currentMove);
9586 SendMoveToProgram(currentMove++, &first);
9587 DisplayBothClocks();
9588 DrawPosition(FALSE, boards[currentMove]);
9589 // [HGM] PV info: always display, routine tests if empty
9590 DisplayComment(currentMove - 1, commentList[currentMove]);
9596 LoadGameOneMove(readAhead)
9597 ChessMove readAhead;
9599 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
9600 char promoChar = NULLCHAR;
9605 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
9606 gameMode != AnalyzeMode && gameMode != Training) {
9611 yyboardindex = forwardMostMove;
9612 if (readAhead != (ChessMove)0) {
9613 moveType = readAhead;
9615 if (gameFileFP == NULL)
9617 moveType = (ChessMove) yylex();
9623 if (appData.debugMode)
9624 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9627 /* append the comment but don't display it */
9628 AppendComment(currentMove, p, FALSE);
9631 case WhiteCapturesEnPassant:
9632 case BlackCapturesEnPassant:
9633 case WhitePromotionChancellor:
9634 case BlackPromotionChancellor:
9635 case WhitePromotionArchbishop:
9636 case BlackPromotionArchbishop:
9637 case WhitePromotionCentaur:
9638 case BlackPromotionCentaur:
9639 case WhitePromotionQueen:
9640 case BlackPromotionQueen:
9641 case WhitePromotionRook:
9642 case BlackPromotionRook:
9643 case WhitePromotionBishop:
9644 case BlackPromotionBishop:
9645 case WhitePromotionKnight:
9646 case BlackPromotionKnight:
9647 case WhitePromotionKing:
9648 case BlackPromotionKing:
9650 case WhiteKingSideCastle:
9651 case WhiteQueenSideCastle:
9652 case BlackKingSideCastle:
9653 case BlackQueenSideCastle:
9654 case WhiteKingSideCastleWild:
9655 case WhiteQueenSideCastleWild:
9656 case BlackKingSideCastleWild:
9657 case BlackQueenSideCastleWild:
9659 case WhiteHSideCastleFR:
9660 case WhiteASideCastleFR:
9661 case BlackHSideCastleFR:
9662 case BlackASideCastleFR:
9664 if (appData.debugMode)
9665 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9666 fromX = currentMoveString[0] - AAA;
9667 fromY = currentMoveString[1] - ONE;
9668 toX = currentMoveString[2] - AAA;
9669 toY = currentMoveString[3] - ONE;
9670 promoChar = currentMoveString[4];
9675 if (appData.debugMode)
9676 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9677 fromX = moveType == WhiteDrop ?
9678 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9679 (int) CharToPiece(ToLower(currentMoveString[0]));
9681 toX = currentMoveString[2] - AAA;
9682 toY = currentMoveString[3] - ONE;
9688 case GameUnfinished:
9689 if (appData.debugMode)
9690 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
9691 p = strchr(yy_text, '{');
9692 if (p == NULL) p = strchr(yy_text, '(');
9695 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9697 q = strchr(p, *p == '{' ? '}' : ')');
9698 if (q != NULL) *q = NULLCHAR;
9701 GameEnds(moveType, p, GE_FILE);
9703 if (cmailMsgLoaded) {
9705 flipView = WhiteOnMove(currentMove);
9706 if (moveType == GameUnfinished) flipView = !flipView;
9707 if (appData.debugMode)
9708 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
9712 case (ChessMove) 0: /* end of file */
9713 if (appData.debugMode)
9714 fprintf(debugFP, "Parser hit end of file\n");
9715 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9721 if (WhiteOnMove(currentMove)) {
9722 GameEnds(BlackWins, "Black mates", GE_FILE);
9724 GameEnds(WhiteWins, "White mates", GE_FILE);
9728 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9735 if (lastLoadGameStart == GNUChessGame) {
9736 /* GNUChessGames have numbers, but they aren't move numbers */
9737 if (appData.debugMode)
9738 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9739 yy_text, (int) moveType);
9740 return LoadGameOneMove((ChessMove)0); /* tail recursion */
9742 /* else fall thru */
9747 /* Reached start of next game in file */
9748 if (appData.debugMode)
9749 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
9750 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9756 if (WhiteOnMove(currentMove)) {
9757 GameEnds(BlackWins, "Black mates", GE_FILE);
9759 GameEnds(WhiteWins, "White mates", GE_FILE);
9763 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9769 case PositionDiagram: /* should not happen; ignore */
9770 case ElapsedTime: /* ignore */
9771 case NAG: /* ignore */
9772 if (appData.debugMode)
9773 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9774 yy_text, (int) moveType);
9775 return LoadGameOneMove((ChessMove)0); /* tail recursion */
9778 if (appData.testLegality) {
9779 if (appData.debugMode)
9780 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
9781 sprintf(move, _("Illegal move: %d.%s%s"),
9782 (forwardMostMove / 2) + 1,
9783 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9784 DisplayError(move, 0);
9787 if (appData.debugMode)
9788 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
9789 yy_text, currentMoveString);
9790 fromX = currentMoveString[0] - AAA;
9791 fromY = currentMoveString[1] - ONE;
9792 toX = currentMoveString[2] - AAA;
9793 toY = currentMoveString[3] - ONE;
9794 promoChar = currentMoveString[4];
9799 if (appData.debugMode)
9800 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
9801 sprintf(move, _("Ambiguous move: %d.%s%s"),
9802 (forwardMostMove / 2) + 1,
9803 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9804 DisplayError(move, 0);
9809 case ImpossibleMove:
9810 if (appData.debugMode)
9811 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
9812 sprintf(move, _("Illegal move: %d.%s%s"),
9813 (forwardMostMove / 2) + 1,
9814 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9815 DisplayError(move, 0);
9821 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
9822 DrawPosition(FALSE, boards[currentMove]);
9823 DisplayBothClocks();
9824 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
9825 DisplayComment(currentMove - 1, commentList[currentMove]);
9827 (void) StopLoadGameTimer();
9829 cmailOldMove = forwardMostMove;
9832 /* currentMoveString is set as a side-effect of yylex */
9833 strcat(currentMoveString, "\n");
9834 strcpy(moveList[forwardMostMove], currentMoveString);
9836 thinkOutput[0] = NULLCHAR;
9837 MakeMove(fromX, fromY, toX, toY, promoChar);
9838 currentMove = forwardMostMove;
9843 /* Load the nth game from the given file */
9845 LoadGameFromFile(filename, n, title, useList)
9849 /*Boolean*/ int useList;
9854 if (strcmp(filename, "-") == 0) {
9858 f = fopen(filename, "rb");
9860 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9861 DisplayError(buf, errno);
9865 if (fseek(f, 0, 0) == -1) {
9866 /* f is not seekable; probably a pipe */
9869 if (useList && n == 0) {
9870 int error = GameListBuild(f);
9872 DisplayError(_("Cannot build game list"), error);
9873 } else if (!ListEmpty(&gameList) &&
9874 ((ListGame *) gameList.tailPred)->number > 1) {
9875 GameListPopUp(f, title);
9882 return LoadGame(f, n, title, FALSE);
9887 MakeRegisteredMove()
9889 int fromX, fromY, toX, toY;
9891 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9892 switch (cmailMoveType[lastLoadGameNumber - 1]) {
9895 if (appData.debugMode)
9896 fprintf(debugFP, "Restoring %s for game %d\n",
9897 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
9899 thinkOutput[0] = NULLCHAR;
9900 strcpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1]);
9901 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
9902 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
9903 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
9904 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
9905 promoChar = cmailMove[lastLoadGameNumber - 1][4];
9906 MakeMove(fromX, fromY, toX, toY, promoChar);
9907 ShowMove(fromX, fromY, toX, toY);
9909 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9916 if (WhiteOnMove(currentMove)) {
9917 GameEnds(BlackWins, "Black mates", GE_PLAYER);
9919 GameEnds(WhiteWins, "White mates", GE_PLAYER);
9924 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
9931 if (WhiteOnMove(currentMove)) {
9932 GameEnds(BlackWins, "White resigns", GE_PLAYER);
9934 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
9939 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
9950 /* Wrapper around LoadGame for use when a Cmail message is loaded */
9952 CmailLoadGame(f, gameNumber, title, useList)
9960 if (gameNumber > nCmailGames) {
9961 DisplayError(_("No more games in this message"), 0);
9964 if (f == lastLoadGameFP) {
9965 int offset = gameNumber - lastLoadGameNumber;
9967 cmailMsg[0] = NULLCHAR;
9968 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9969 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
9970 nCmailMovesRegistered--;
9972 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
9973 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
9974 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
9977 if (! RegisterMove()) return FALSE;
9981 retVal = LoadGame(f, gameNumber, title, useList);
9983 /* Make move registered during previous look at this game, if any */
9984 MakeRegisteredMove();
9986 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
9987 commentList[currentMove]
9988 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
9989 DisplayComment(currentMove - 1, commentList[currentMove]);
9995 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
10000 int gameNumber = lastLoadGameNumber + offset;
10001 if (lastLoadGameFP == NULL) {
10002 DisplayError(_("No game has been loaded yet"), 0);
10005 if (gameNumber <= 0) {
10006 DisplayError(_("Can't back up any further"), 0);
10009 if (cmailMsgLoaded) {
10010 return CmailLoadGame(lastLoadGameFP, gameNumber,
10011 lastLoadGameTitle, lastLoadGameUseList);
10013 return LoadGame(lastLoadGameFP, gameNumber,
10014 lastLoadGameTitle, lastLoadGameUseList);
10020 /* Load the nth game from open file f */
10022 LoadGame(f, gameNumber, title, useList)
10030 int gn = gameNumber;
10031 ListGame *lg = NULL;
10032 int numPGNTags = 0;
10034 GameMode oldGameMode;
10035 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
10037 if (appData.debugMode)
10038 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
10040 if (gameMode == Training )
10041 SetTrainingModeOff();
10043 oldGameMode = gameMode;
10044 if (gameMode != BeginningOfGame) {
10045 Reset(FALSE, TRUE);
10049 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
10050 fclose(lastLoadGameFP);
10054 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
10057 fseek(f, lg->offset, 0);
10058 GameListHighlight(gameNumber);
10062 DisplayError(_("Game number out of range"), 0);
10067 if (fseek(f, 0, 0) == -1) {
10068 if (f == lastLoadGameFP ?
10069 gameNumber == lastLoadGameNumber + 1 :
10073 DisplayError(_("Can't seek on game file"), 0);
10078 lastLoadGameFP = f;
10079 lastLoadGameNumber = gameNumber;
10080 strcpy(lastLoadGameTitle, title);
10081 lastLoadGameUseList = useList;
10085 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
10086 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
10087 lg->gameInfo.black);
10089 } else if (*title != NULLCHAR) {
10090 if (gameNumber > 1) {
10091 sprintf(buf, "%s %d", title, gameNumber);
10094 DisplayTitle(title);
10098 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
10099 gameMode = PlayFromGameFile;
10103 currentMove = forwardMostMove = backwardMostMove = 0;
10104 CopyBoard(boards[0], initialPosition);
10108 * Skip the first gn-1 games in the file.
10109 * Also skip over anything that precedes an identifiable
10110 * start of game marker, to avoid being confused by
10111 * garbage at the start of the file. Currently
10112 * recognized start of game markers are the move number "1",
10113 * the pattern "gnuchess .* game", the pattern
10114 * "^[#;%] [^ ]* game file", and a PGN tag block.
10115 * A game that starts with one of the latter two patterns
10116 * will also have a move number 1, possibly
10117 * following a position diagram.
10118 * 5-4-02: Let's try being more lenient and allowing a game to
10119 * start with an unnumbered move. Does that break anything?
10121 cm = lastLoadGameStart = (ChessMove) 0;
10123 yyboardindex = forwardMostMove;
10124 cm = (ChessMove) yylex();
10126 case (ChessMove) 0:
10127 if (cmailMsgLoaded) {
10128 nCmailGames = CMAIL_MAX_GAMES - gn;
10131 DisplayError(_("Game not found in file"), 0);
10138 lastLoadGameStart = cm;
10141 case MoveNumberOne:
10142 switch (lastLoadGameStart) {
10147 case MoveNumberOne:
10148 case (ChessMove) 0:
10149 gn--; /* count this game */
10150 lastLoadGameStart = cm;
10159 switch (lastLoadGameStart) {
10162 case MoveNumberOne:
10163 case (ChessMove) 0:
10164 gn--; /* count this game */
10165 lastLoadGameStart = cm;
10168 lastLoadGameStart = cm; /* game counted already */
10176 yyboardindex = forwardMostMove;
10177 cm = (ChessMove) yylex();
10178 } while (cm == PGNTag || cm == Comment);
10185 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
10186 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
10187 != CMAIL_OLD_RESULT) {
10189 cmailResult[ CMAIL_MAX_GAMES
10190 - gn - 1] = CMAIL_OLD_RESULT;
10196 /* Only a NormalMove can be at the start of a game
10197 * without a position diagram. */
10198 if (lastLoadGameStart == (ChessMove) 0) {
10200 lastLoadGameStart = MoveNumberOne;
10209 if (appData.debugMode)
10210 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
10212 if (cm == XBoardGame) {
10213 /* Skip any header junk before position diagram and/or move 1 */
10215 yyboardindex = forwardMostMove;
10216 cm = (ChessMove) yylex();
10218 if (cm == (ChessMove) 0 ||
10219 cm == GNUChessGame || cm == XBoardGame) {
10220 /* Empty game; pretend end-of-file and handle later */
10221 cm = (ChessMove) 0;
10225 if (cm == MoveNumberOne || cm == PositionDiagram ||
10226 cm == PGNTag || cm == Comment)
10229 } else if (cm == GNUChessGame) {
10230 if (gameInfo.event != NULL) {
10231 free(gameInfo.event);
10233 gameInfo.event = StrSave(yy_text);
10236 startedFromSetupPosition = FALSE;
10237 while (cm == PGNTag) {
10238 if (appData.debugMode)
10239 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
10240 err = ParsePGNTag(yy_text, &gameInfo);
10241 if (!err) numPGNTags++;
10243 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
10244 if(gameInfo.variant != oldVariant) {
10245 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
10246 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
10247 InitPosition(TRUE);
10248 oldVariant = gameInfo.variant;
10249 if (appData.debugMode)
10250 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
10254 if (gameInfo.fen != NULL) {
10255 Board initial_position;
10256 startedFromSetupPosition = TRUE;
10257 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
10259 DisplayError(_("Bad FEN position in file"), 0);
10262 CopyBoard(boards[0], initial_position);
10263 if (blackPlaysFirst) {
10264 currentMove = forwardMostMove = backwardMostMove = 1;
10265 CopyBoard(boards[1], initial_position);
10266 strcpy(moveList[0], "");
10267 strcpy(parseList[0], "");
10268 timeRemaining[0][1] = whiteTimeRemaining;
10269 timeRemaining[1][1] = blackTimeRemaining;
10270 if (commentList[0] != NULL) {
10271 commentList[1] = commentList[0];
10272 commentList[0] = NULL;
10275 currentMove = forwardMostMove = backwardMostMove = 0;
10277 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
10279 initialRulePlies = FENrulePlies;
10280 for( i=0; i< nrCastlingRights; i++ )
10281 initialRights[i] = initial_position[CASTLING][i];
10283 yyboardindex = forwardMostMove;
10284 free(gameInfo.fen);
10285 gameInfo.fen = NULL;
10288 yyboardindex = forwardMostMove;
10289 cm = (ChessMove) yylex();
10291 /* Handle comments interspersed among the tags */
10292 while (cm == Comment) {
10294 if (appData.debugMode)
10295 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10297 AppendComment(currentMove, p, FALSE);
10298 yyboardindex = forwardMostMove;
10299 cm = (ChessMove) yylex();
10303 /* don't rely on existence of Event tag since if game was
10304 * pasted from clipboard the Event tag may not exist
10306 if (numPGNTags > 0){
10308 if (gameInfo.variant == VariantNormal) {
10309 VariantClass v = StringToVariant(gameInfo.event);
10310 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
10311 if(v < VariantShogi) gameInfo.variant = v;
10314 if( appData.autoDisplayTags ) {
10315 tags = PGNTags(&gameInfo);
10316 TagsPopUp(tags, CmailMsg());
10321 /* Make something up, but don't display it now */
10326 if (cm == PositionDiagram) {
10329 Board initial_position;
10331 if (appData.debugMode)
10332 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
10334 if (!startedFromSetupPosition) {
10336 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
10337 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
10347 initial_position[i][j++] = CharToPiece(*p);
10350 while (*p == ' ' || *p == '\t' ||
10351 *p == '\n' || *p == '\r') p++;
10353 if (strncmp(p, "black", strlen("black"))==0)
10354 blackPlaysFirst = TRUE;
10356 blackPlaysFirst = FALSE;
10357 startedFromSetupPosition = TRUE;
10359 CopyBoard(boards[0], initial_position);
10360 if (blackPlaysFirst) {
10361 currentMove = forwardMostMove = backwardMostMove = 1;
10362 CopyBoard(boards[1], initial_position);
10363 strcpy(moveList[0], "");
10364 strcpy(parseList[0], "");
10365 timeRemaining[0][1] = whiteTimeRemaining;
10366 timeRemaining[1][1] = blackTimeRemaining;
10367 if (commentList[0] != NULL) {
10368 commentList[1] = commentList[0];
10369 commentList[0] = NULL;
10372 currentMove = forwardMostMove = backwardMostMove = 0;
10375 yyboardindex = forwardMostMove;
10376 cm = (ChessMove) yylex();
10379 if (first.pr == NoProc) {
10380 StartChessProgram(&first);
10382 InitChessProgram(&first, FALSE);
10383 SendToProgram("force\n", &first);
10384 if (startedFromSetupPosition) {
10385 SendBoard(&first, forwardMostMove);
10386 if (appData.debugMode) {
10387 fprintf(debugFP, "Load Game\n");
10389 DisplayBothClocks();
10392 /* [HGM] server: flag to write setup moves in broadcast file as one */
10393 loadFlag = appData.suppressLoadMoves;
10395 while (cm == Comment) {
10397 if (appData.debugMode)
10398 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10400 AppendComment(currentMove, p, FALSE);
10401 yyboardindex = forwardMostMove;
10402 cm = (ChessMove) yylex();
10405 if ((cm == (ChessMove) 0 && lastLoadGameStart != (ChessMove) 0) ||
10406 cm == WhiteWins || cm == BlackWins ||
10407 cm == GameIsDrawn || cm == GameUnfinished) {
10408 DisplayMessage("", _("No moves in game"));
10409 if (cmailMsgLoaded) {
10410 if (appData.debugMode)
10411 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
10415 DrawPosition(FALSE, boards[currentMove]);
10416 DisplayBothClocks();
10417 gameMode = EditGame;
10424 // [HGM] PV info: routine tests if comment empty
10425 if (!matchMode && (pausing || appData.timeDelay != 0)) {
10426 DisplayComment(currentMove - 1, commentList[currentMove]);
10428 if (!matchMode && appData.timeDelay != 0)
10429 DrawPosition(FALSE, boards[currentMove]);
10431 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
10432 programStats.ok_to_send = 1;
10435 /* if the first token after the PGN tags is a move
10436 * and not move number 1, retrieve it from the parser
10438 if (cm != MoveNumberOne)
10439 LoadGameOneMove(cm);
10441 /* load the remaining moves from the file */
10442 while (LoadGameOneMove((ChessMove)0)) {
10443 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10444 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10447 /* rewind to the start of the game */
10448 currentMove = backwardMostMove;
10450 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10452 if (oldGameMode == AnalyzeFile ||
10453 oldGameMode == AnalyzeMode) {
10454 AnalyzeFileEvent();
10457 if (matchMode || appData.timeDelay == 0) {
10459 gameMode = EditGame;
10461 } else if (appData.timeDelay > 0) {
10462 AutoPlayGameLoop();
10465 if (appData.debugMode)
10466 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
10468 loadFlag = 0; /* [HGM] true game starts */
10472 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
10474 ReloadPosition(offset)
10477 int positionNumber = lastLoadPositionNumber + offset;
10478 if (lastLoadPositionFP == NULL) {
10479 DisplayError(_("No position has been loaded yet"), 0);
10482 if (positionNumber <= 0) {
10483 DisplayError(_("Can't back up any further"), 0);
10486 return LoadPosition(lastLoadPositionFP, positionNumber,
10487 lastLoadPositionTitle);
10490 /* Load the nth position from the given file */
10492 LoadPositionFromFile(filename, n, title)
10500 if (strcmp(filename, "-") == 0) {
10501 return LoadPosition(stdin, n, "stdin");
10503 f = fopen(filename, "rb");
10505 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10506 DisplayError(buf, errno);
10509 return LoadPosition(f, n, title);
10514 /* Load the nth position from the given open file, and close it */
10516 LoadPosition(f, positionNumber, title)
10518 int positionNumber;
10521 char *p, line[MSG_SIZ];
10522 Board initial_position;
10523 int i, j, fenMode, pn;
10525 if (gameMode == Training )
10526 SetTrainingModeOff();
10528 if (gameMode != BeginningOfGame) {
10529 Reset(FALSE, TRUE);
10531 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
10532 fclose(lastLoadPositionFP);
10534 if (positionNumber == 0) positionNumber = 1;
10535 lastLoadPositionFP = f;
10536 lastLoadPositionNumber = positionNumber;
10537 strcpy(lastLoadPositionTitle, title);
10538 if (first.pr == NoProc) {
10539 StartChessProgram(&first);
10540 InitChessProgram(&first, FALSE);
10542 pn = positionNumber;
10543 if (positionNumber < 0) {
10544 /* Negative position number means to seek to that byte offset */
10545 if (fseek(f, -positionNumber, 0) == -1) {
10546 DisplayError(_("Can't seek on position file"), 0);
10551 if (fseek(f, 0, 0) == -1) {
10552 if (f == lastLoadPositionFP ?
10553 positionNumber == lastLoadPositionNumber + 1 :
10554 positionNumber == 1) {
10557 DisplayError(_("Can't seek on position file"), 0);
10562 /* See if this file is FEN or old-style xboard */
10563 if (fgets(line, MSG_SIZ, f) == NULL) {
10564 DisplayError(_("Position not found in file"), 0);
10567 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
10568 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
10571 if (fenMode || line[0] == '#') pn--;
10573 /* skip positions before number pn */
10574 if (fgets(line, MSG_SIZ, f) == NULL) {
10576 DisplayError(_("Position not found in file"), 0);
10579 if (fenMode || line[0] == '#') pn--;
10584 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
10585 DisplayError(_("Bad FEN position in file"), 0);
10589 (void) fgets(line, MSG_SIZ, f);
10590 (void) fgets(line, MSG_SIZ, f);
10592 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
10593 (void) fgets(line, MSG_SIZ, f);
10594 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
10597 initial_position[i][j++] = CharToPiece(*p);
10601 blackPlaysFirst = FALSE;
10603 (void) fgets(line, MSG_SIZ, f);
10604 if (strncmp(line, "black", strlen("black"))==0)
10605 blackPlaysFirst = TRUE;
10608 startedFromSetupPosition = TRUE;
10610 SendToProgram("force\n", &first);
10611 CopyBoard(boards[0], initial_position);
10612 if (blackPlaysFirst) {
10613 currentMove = forwardMostMove = backwardMostMove = 1;
10614 strcpy(moveList[0], "");
10615 strcpy(parseList[0], "");
10616 CopyBoard(boards[1], initial_position);
10617 DisplayMessage("", _("Black to play"));
10619 currentMove = forwardMostMove = backwardMostMove = 0;
10620 DisplayMessage("", _("White to play"));
10622 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
10623 SendBoard(&first, forwardMostMove);
10624 if (appData.debugMode) {
10626 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
10627 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
10628 fprintf(debugFP, "Load Position\n");
10631 if (positionNumber > 1) {
10632 sprintf(line, "%s %d", title, positionNumber);
10633 DisplayTitle(line);
10635 DisplayTitle(title);
10637 gameMode = EditGame;
10640 timeRemaining[0][1] = whiteTimeRemaining;
10641 timeRemaining[1][1] = blackTimeRemaining;
10642 DrawPosition(FALSE, boards[currentMove]);
10649 CopyPlayerNameIntoFileName(dest, src)
10652 while (*src != NULLCHAR && *src != ',') {
10657 *(*dest)++ = *src++;
10662 char *DefaultFileName(ext)
10665 static char def[MSG_SIZ];
10668 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
10670 CopyPlayerNameIntoFileName(&p, gameInfo.white);
10672 CopyPlayerNameIntoFileName(&p, gameInfo.black);
10681 /* Save the current game to the given file */
10683 SaveGameToFile(filename, append)
10690 if (strcmp(filename, "-") == 0) {
10691 return SaveGame(stdout, 0, NULL);
10693 f = fopen(filename, append ? "a" : "w");
10695 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10696 DisplayError(buf, errno);
10699 return SaveGame(f, 0, NULL);
10708 static char buf[MSG_SIZ];
10711 p = strchr(str, ' ');
10712 if (p == NULL) return str;
10713 strncpy(buf, str, p - str);
10714 buf[p - str] = NULLCHAR;
10718 #define PGN_MAX_LINE 75
10720 #define PGN_SIDE_WHITE 0
10721 #define PGN_SIDE_BLACK 1
10724 static int FindFirstMoveOutOfBook( int side )
10728 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
10729 int index = backwardMostMove;
10730 int has_book_hit = 0;
10732 if( (index % 2) != side ) {
10736 while( index < forwardMostMove ) {
10737 /* Check to see if engine is in book */
10738 int depth = pvInfoList[index].depth;
10739 int score = pvInfoList[index].score;
10745 else if( score == 0 && depth == 63 ) {
10746 in_book = 1; /* Zappa */
10748 else if( score == 2 && depth == 99 ) {
10749 in_book = 1; /* Abrok */
10752 has_book_hit += in_book;
10768 void GetOutOfBookInfo( char * buf )
10772 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10774 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
10775 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
10779 if( oob[0] >= 0 || oob[1] >= 0 ) {
10780 for( i=0; i<2; i++ ) {
10784 if( i > 0 && oob[0] >= 0 ) {
10785 strcat( buf, " " );
10788 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
10789 sprintf( buf+strlen(buf), "%s%.2f",
10790 pvInfoList[idx].score >= 0 ? "+" : "",
10791 pvInfoList[idx].score / 100.0 );
10797 /* Save game in PGN style and close the file */
10802 int i, offset, linelen, newblock;
10806 int movelen, numlen, blank;
10807 char move_buffer[100]; /* [AS] Buffer for move+PV info */
10809 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10811 tm = time((time_t *) NULL);
10813 PrintPGNTags(f, &gameInfo);
10815 if (backwardMostMove > 0 || startedFromSetupPosition) {
10816 char *fen = PositionToFEN(backwardMostMove, NULL);
10817 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
10818 fprintf(f, "\n{--------------\n");
10819 PrintPosition(f, backwardMostMove);
10820 fprintf(f, "--------------}\n");
10824 /* [AS] Out of book annotation */
10825 if( appData.saveOutOfBookInfo ) {
10828 GetOutOfBookInfo( buf );
10830 if( buf[0] != '\0' ) {
10831 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
10838 i = backwardMostMove;
10842 while (i < forwardMostMove) {
10843 /* Print comments preceding this move */
10844 if (commentList[i] != NULL) {
10845 if (linelen > 0) fprintf(f, "\n");
10846 fprintf(f, "%s", commentList[i]);
10851 /* Format move number */
10852 if ((i % 2) == 0) {
10853 sprintf(numtext, "%d.", (i - offset)/2 + 1);
10856 sprintf(numtext, "%d...", (i - offset)/2 + 1);
10858 numtext[0] = NULLCHAR;
10861 numlen = strlen(numtext);
10864 /* Print move number */
10865 blank = linelen > 0 && numlen > 0;
10866 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
10875 fprintf(f, "%s", numtext);
10879 strcpy(move_buffer, SavePart(parseList[i])); // [HGM] pgn: print move via buffer, so it can be edited
10880 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
10883 blank = linelen > 0 && movelen > 0;
10884 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10893 fprintf(f, "%s", move_buffer);
10894 linelen += movelen;
10896 /* [AS] Add PV info if present */
10897 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
10898 /* [HGM] add time */
10899 char buf[MSG_SIZ]; int seconds;
10901 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
10903 if( seconds <= 0) buf[0] = 0; else
10904 if( seconds < 30 ) sprintf(buf, " %3.1f%c", seconds/10., 0); else {
10905 seconds = (seconds + 4)/10; // round to full seconds
10906 if( seconds < 60 ) sprintf(buf, " %d%c", seconds, 0); else
10907 sprintf(buf, " %d:%02d%c", seconds/60, seconds%60, 0);
10910 sprintf( move_buffer, "{%s%.2f/%d%s}",
10911 pvInfoList[i].score >= 0 ? "+" : "",
10912 pvInfoList[i].score / 100.0,
10913 pvInfoList[i].depth,
10916 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
10918 /* Print score/depth */
10919 blank = linelen > 0 && movelen > 0;
10920 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10929 fprintf(f, "%s", move_buffer);
10930 linelen += movelen;
10936 /* Start a new line */
10937 if (linelen > 0) fprintf(f, "\n");
10939 /* Print comments after last move */
10940 if (commentList[i] != NULL) {
10941 fprintf(f, "%s\n", commentList[i]);
10945 if (gameInfo.resultDetails != NULL &&
10946 gameInfo.resultDetails[0] != NULLCHAR) {
10947 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
10948 PGNResult(gameInfo.result));
10950 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10954 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10958 /* Save game in old style and close the file */
10960 SaveGameOldStyle(f)
10966 tm = time((time_t *) NULL);
10968 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
10971 if (backwardMostMove > 0 || startedFromSetupPosition) {
10972 fprintf(f, "\n[--------------\n");
10973 PrintPosition(f, backwardMostMove);
10974 fprintf(f, "--------------]\n");
10979 i = backwardMostMove;
10980 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10982 while (i < forwardMostMove) {
10983 if (commentList[i] != NULL) {
10984 fprintf(f, "[%s]\n", commentList[i]);
10987 if ((i % 2) == 1) {
10988 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
10991 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
10993 if (commentList[i] != NULL) {
10997 if (i >= forwardMostMove) {
11001 fprintf(f, "%s\n", parseList[i]);
11006 if (commentList[i] != NULL) {
11007 fprintf(f, "[%s]\n", commentList[i]);
11010 /* This isn't really the old style, but it's close enough */
11011 if (gameInfo.resultDetails != NULL &&
11012 gameInfo.resultDetails[0] != NULLCHAR) {
11013 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
11014 gameInfo.resultDetails);
11016 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11023 /* Save the current game to open file f and close the file */
11025 SaveGame(f, dummy, dummy2)
11030 if (gameMode == EditPosition) EditPositionDone(TRUE);
11031 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11032 if (appData.oldSaveStyle)
11033 return SaveGameOldStyle(f);
11035 return SaveGamePGN(f);
11038 /* Save the current position to the given file */
11040 SavePositionToFile(filename)
11046 if (strcmp(filename, "-") == 0) {
11047 return SavePosition(stdout, 0, NULL);
11049 f = fopen(filename, "a");
11051 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11052 DisplayError(buf, errno);
11055 SavePosition(f, 0, NULL);
11061 /* Save the current position to the given open file and close the file */
11063 SavePosition(f, dummy, dummy2)
11071 if (gameMode == EditPosition) EditPositionDone(TRUE);
11072 if (appData.oldSaveStyle) {
11073 tm = time((time_t *) NULL);
11075 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
11077 fprintf(f, "[--------------\n");
11078 PrintPosition(f, currentMove);
11079 fprintf(f, "--------------]\n");
11081 fen = PositionToFEN(currentMove, NULL);
11082 fprintf(f, "%s\n", fen);
11090 ReloadCmailMsgEvent(unregister)
11094 static char *inFilename = NULL;
11095 static char *outFilename;
11097 struct stat inbuf, outbuf;
11100 /* Any registered moves are unregistered if unregister is set, */
11101 /* i.e. invoked by the signal handler */
11103 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11104 cmailMoveRegistered[i] = FALSE;
11105 if (cmailCommentList[i] != NULL) {
11106 free(cmailCommentList[i]);
11107 cmailCommentList[i] = NULL;
11110 nCmailMovesRegistered = 0;
11113 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11114 cmailResult[i] = CMAIL_NOT_RESULT;
11118 if (inFilename == NULL) {
11119 /* Because the filenames are static they only get malloced once */
11120 /* and they never get freed */
11121 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
11122 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
11124 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
11125 sprintf(outFilename, "%s.out", appData.cmailGameName);
11128 status = stat(outFilename, &outbuf);
11130 cmailMailedMove = FALSE;
11132 status = stat(inFilename, &inbuf);
11133 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
11136 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
11137 counts the games, notes how each one terminated, etc.
11139 It would be nice to remove this kludge and instead gather all
11140 the information while building the game list. (And to keep it
11141 in the game list nodes instead of having a bunch of fixed-size
11142 parallel arrays.) Note this will require getting each game's
11143 termination from the PGN tags, as the game list builder does
11144 not process the game moves. --mann
11146 cmailMsgLoaded = TRUE;
11147 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
11149 /* Load first game in the file or popup game menu */
11150 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
11152 #endif /* !WIN32 */
11160 char string[MSG_SIZ];
11162 if ( cmailMailedMove
11163 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
11164 return TRUE; /* Allow free viewing */
11167 /* Unregister move to ensure that we don't leave RegisterMove */
11168 /* with the move registered when the conditions for registering no */
11170 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11171 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11172 nCmailMovesRegistered --;
11174 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
11176 free(cmailCommentList[lastLoadGameNumber - 1]);
11177 cmailCommentList[lastLoadGameNumber - 1] = NULL;
11181 if (cmailOldMove == -1) {
11182 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
11186 if (currentMove > cmailOldMove + 1) {
11187 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
11191 if (currentMove < cmailOldMove) {
11192 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
11196 if (forwardMostMove > currentMove) {
11197 /* Silently truncate extra moves */
11201 if ( (currentMove == cmailOldMove + 1)
11202 || ( (currentMove == cmailOldMove)
11203 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
11204 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
11205 if (gameInfo.result != GameUnfinished) {
11206 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
11209 if (commentList[currentMove] != NULL) {
11210 cmailCommentList[lastLoadGameNumber - 1]
11211 = StrSave(commentList[currentMove]);
11213 strcpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1]);
11215 if (appData.debugMode)
11216 fprintf(debugFP, "Saving %s for game %d\n",
11217 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11220 "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
11222 f = fopen(string, "w");
11223 if (appData.oldSaveStyle) {
11224 SaveGameOldStyle(f); /* also closes the file */
11226 sprintf(string, "%s.pos.out", appData.cmailGameName);
11227 f = fopen(string, "w");
11228 SavePosition(f, 0, NULL); /* also closes the file */
11230 fprintf(f, "{--------------\n");
11231 PrintPosition(f, currentMove);
11232 fprintf(f, "--------------}\n\n");
11234 SaveGame(f, 0, NULL); /* also closes the file*/
11237 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
11238 nCmailMovesRegistered ++;
11239 } else if (nCmailGames == 1) {
11240 DisplayError(_("You have not made a move yet"), 0);
11251 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
11252 FILE *commandOutput;
11253 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
11254 int nBytes = 0; /* Suppress warnings on uninitialized variables */
11260 if (! cmailMsgLoaded) {
11261 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
11265 if (nCmailGames == nCmailResults) {
11266 DisplayError(_("No unfinished games"), 0);
11270 #if CMAIL_PROHIBIT_REMAIL
11271 if (cmailMailedMove) {
11272 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);
11273 DisplayError(msg, 0);
11278 if (! (cmailMailedMove || RegisterMove())) return;
11280 if ( cmailMailedMove
11281 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
11282 sprintf(string, partCommandString,
11283 appData.debugMode ? " -v" : "", appData.cmailGameName);
11284 commandOutput = popen(string, "r");
11286 if (commandOutput == NULL) {
11287 DisplayError(_("Failed to invoke cmail"), 0);
11289 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
11290 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
11292 if (nBuffers > 1) {
11293 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
11294 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
11295 nBytes = MSG_SIZ - 1;
11297 (void) memcpy(msg, buffer, nBytes);
11299 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
11301 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
11302 cmailMailedMove = TRUE; /* Prevent >1 moves */
11305 for (i = 0; i < nCmailGames; i ++) {
11306 if (cmailResult[i] == CMAIL_NOT_RESULT) {
11311 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
11313 sprintf(buffer, "%s/%s.%s.archive",
11315 appData.cmailGameName,
11317 LoadGameFromFile(buffer, 1, buffer, FALSE);
11318 cmailMsgLoaded = FALSE;
11322 DisplayInformation(msg);
11323 pclose(commandOutput);
11326 if ((*cmailMsg) != '\0') {
11327 DisplayInformation(cmailMsg);
11332 #endif /* !WIN32 */
11341 int prependComma = 0;
11343 char string[MSG_SIZ]; /* Space for game-list */
11346 if (!cmailMsgLoaded) return "";
11348 if (cmailMailedMove) {
11349 sprintf(cmailMsg, _("Waiting for reply from opponent\n"));
11351 /* Create a list of games left */
11352 sprintf(string, "[");
11353 for (i = 0; i < nCmailGames; i ++) {
11354 if (! ( cmailMoveRegistered[i]
11355 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
11356 if (prependComma) {
11357 sprintf(number, ",%d", i + 1);
11359 sprintf(number, "%d", i + 1);
11363 strcat(string, number);
11366 strcat(string, "]");
11368 if (nCmailMovesRegistered + nCmailResults == 0) {
11369 switch (nCmailGames) {
11372 _("Still need to make move for game\n"));
11377 _("Still need to make moves for both games\n"));
11382 _("Still need to make moves for all %d games\n"),
11387 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
11390 _("Still need to make a move for game %s\n"),
11395 if (nCmailResults == nCmailGames) {
11396 sprintf(cmailMsg, _("No unfinished games\n"));
11398 sprintf(cmailMsg, _("Ready to send mail\n"));
11404 _("Still need to make moves for games %s\n"),
11416 if (gameMode == Training)
11417 SetTrainingModeOff();
11420 cmailMsgLoaded = FALSE;
11421 if (appData.icsActive) {
11422 SendToICS(ics_prefix);
11423 SendToICS("refresh\n");
11433 /* Give up on clean exit */
11437 /* Keep trying for clean exit */
11441 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
11443 if (telnetISR != NULL) {
11444 RemoveInputSource(telnetISR);
11446 if (icsPR != NoProc) {
11447 DestroyChildProcess(icsPR, TRUE);
11450 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
11451 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
11453 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
11454 /* make sure this other one finishes before killing it! */
11455 if(endingGame) { int count = 0;
11456 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
11457 while(endingGame && count++ < 10) DoSleep(1);
11458 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
11461 /* Kill off chess programs */
11462 if (first.pr != NoProc) {
11465 DoSleep( appData.delayBeforeQuit );
11466 SendToProgram("quit\n", &first);
11467 DoSleep( appData.delayAfterQuit );
11468 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
11470 if (second.pr != NoProc) {
11471 DoSleep( appData.delayBeforeQuit );
11472 SendToProgram("quit\n", &second);
11473 DoSleep( appData.delayAfterQuit );
11474 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
11476 if (first.isr != NULL) {
11477 RemoveInputSource(first.isr);
11479 if (second.isr != NULL) {
11480 RemoveInputSource(second.isr);
11483 ShutDownFrontEnd();
11490 if (appData.debugMode)
11491 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
11495 if (gameMode == MachinePlaysWhite ||
11496 gameMode == MachinePlaysBlack) {
11499 DisplayBothClocks();
11501 if (gameMode == PlayFromGameFile) {
11502 if (appData.timeDelay >= 0)
11503 AutoPlayGameLoop();
11504 } else if (gameMode == IcsExamining && pauseExamInvalid) {
11505 Reset(FALSE, TRUE);
11506 SendToICS(ics_prefix);
11507 SendToICS("refresh\n");
11508 } else if (currentMove < forwardMostMove) {
11509 ForwardInner(forwardMostMove);
11511 pauseExamInvalid = FALSE;
11513 switch (gameMode) {
11517 pauseExamForwardMostMove = forwardMostMove;
11518 pauseExamInvalid = FALSE;
11521 case IcsPlayingWhite:
11522 case IcsPlayingBlack:
11526 case PlayFromGameFile:
11527 (void) StopLoadGameTimer();
11531 case BeginningOfGame:
11532 if (appData.icsActive) return;
11533 /* else fall through */
11534 case MachinePlaysWhite:
11535 case MachinePlaysBlack:
11536 case TwoMachinesPlay:
11537 if (forwardMostMove == 0)
11538 return; /* don't pause if no one has moved */
11539 if ((gameMode == MachinePlaysWhite &&
11540 !WhiteOnMove(forwardMostMove)) ||
11541 (gameMode == MachinePlaysBlack &&
11542 WhiteOnMove(forwardMostMove))) {
11555 char title[MSG_SIZ];
11557 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
11558 strcpy(title, _("Edit comment"));
11560 sprintf(title, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
11561 WhiteOnMove(currentMove - 1) ? " " : ".. ",
11562 parseList[currentMove - 1]);
11565 EditCommentPopUp(currentMove, title, commentList[currentMove]);
11572 char *tags = PGNTags(&gameInfo);
11573 EditTagsPopUp(tags);
11580 if (appData.noChessProgram || gameMode == AnalyzeMode)
11583 if (gameMode != AnalyzeFile) {
11584 if (!appData.icsEngineAnalyze) {
11586 if (gameMode != EditGame) return;
11588 ResurrectChessProgram();
11589 SendToProgram("analyze\n", &first);
11590 first.analyzing = TRUE;
11591 /*first.maybeThinking = TRUE;*/
11592 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11593 EngineOutputPopUp();
11595 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
11600 StartAnalysisClock();
11601 GetTimeMark(&lastNodeCountTime);
11608 if (appData.noChessProgram || gameMode == AnalyzeFile)
11611 if (gameMode != AnalyzeMode) {
11613 if (gameMode != EditGame) return;
11614 ResurrectChessProgram();
11615 SendToProgram("analyze\n", &first);
11616 first.analyzing = TRUE;
11617 /*first.maybeThinking = TRUE;*/
11618 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11619 EngineOutputPopUp();
11621 gameMode = AnalyzeFile;
11626 StartAnalysisClock();
11627 GetTimeMark(&lastNodeCountTime);
11632 MachineWhiteEvent()
11635 char *bookHit = NULL;
11637 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
11641 if (gameMode == PlayFromGameFile ||
11642 gameMode == TwoMachinesPlay ||
11643 gameMode == Training ||
11644 gameMode == AnalyzeMode ||
11645 gameMode == EndOfGame)
11648 if (gameMode == EditPosition)
11649 EditPositionDone(TRUE);
11651 if (!WhiteOnMove(currentMove)) {
11652 DisplayError(_("It is not White's turn"), 0);
11656 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11659 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11660 gameMode == AnalyzeFile)
11663 ResurrectChessProgram(); /* in case it isn't running */
11664 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
11665 gameMode = MachinePlaysWhite;
11668 gameMode = MachinePlaysWhite;
11672 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11674 if (first.sendName) {
11675 sprintf(buf, "name %s\n", gameInfo.black);
11676 SendToProgram(buf, &first);
11678 if (first.sendTime) {
11679 if (first.useColors) {
11680 SendToProgram("black\n", &first); /*gnu kludge*/
11682 SendTimeRemaining(&first, TRUE);
11684 if (first.useColors) {
11685 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
11687 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11688 SetMachineThinkingEnables();
11689 first.maybeThinking = TRUE;
11693 if (appData.autoFlipView && !flipView) {
11694 flipView = !flipView;
11695 DrawPosition(FALSE, NULL);
11696 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11699 if(bookHit) { // [HGM] book: simulate book reply
11700 static char bookMove[MSG_SIZ]; // a bit generous?
11702 programStats.nodes = programStats.depth = programStats.time =
11703 programStats.score = programStats.got_only_move = 0;
11704 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11706 strcpy(bookMove, "move ");
11707 strcat(bookMove, bookHit);
11708 HandleMachineMove(bookMove, &first);
11713 MachineBlackEvent()
11716 char *bookHit = NULL;
11718 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
11722 if (gameMode == PlayFromGameFile ||
11723 gameMode == TwoMachinesPlay ||
11724 gameMode == Training ||
11725 gameMode == AnalyzeMode ||
11726 gameMode == EndOfGame)
11729 if (gameMode == EditPosition)
11730 EditPositionDone(TRUE);
11732 if (WhiteOnMove(currentMove)) {
11733 DisplayError(_("It is not Black's turn"), 0);
11737 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11740 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11741 gameMode == AnalyzeFile)
11744 ResurrectChessProgram(); /* in case it isn't running */
11745 gameMode = MachinePlaysBlack;
11749 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11751 if (first.sendName) {
11752 sprintf(buf, "name %s\n", gameInfo.white);
11753 SendToProgram(buf, &first);
11755 if (first.sendTime) {
11756 if (first.useColors) {
11757 SendToProgram("white\n", &first); /*gnu kludge*/
11759 SendTimeRemaining(&first, FALSE);
11761 if (first.useColors) {
11762 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
11764 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11765 SetMachineThinkingEnables();
11766 first.maybeThinking = TRUE;
11769 if (appData.autoFlipView && flipView) {
11770 flipView = !flipView;
11771 DrawPosition(FALSE, NULL);
11772 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11774 if(bookHit) { // [HGM] book: simulate book reply
11775 static char bookMove[MSG_SIZ]; // a bit generous?
11777 programStats.nodes = programStats.depth = programStats.time =
11778 programStats.score = programStats.got_only_move = 0;
11779 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11781 strcpy(bookMove, "move ");
11782 strcat(bookMove, bookHit);
11783 HandleMachineMove(bookMove, &first);
11789 DisplayTwoMachinesTitle()
11792 if (appData.matchGames > 0) {
11793 if (first.twoMachinesColor[0] == 'w') {
11794 sprintf(buf, "%s vs. %s (%d-%d-%d)",
11795 gameInfo.white, gameInfo.black,
11796 first.matchWins, second.matchWins,
11797 matchGame - 1 - (first.matchWins + second.matchWins));
11799 sprintf(buf, "%s vs. %s (%d-%d-%d)",
11800 gameInfo.white, gameInfo.black,
11801 second.matchWins, first.matchWins,
11802 matchGame - 1 - (first.matchWins + second.matchWins));
11805 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11811 TwoMachinesEvent P((void))
11815 ChessProgramState *onmove;
11816 char *bookHit = NULL;
11818 if (appData.noChessProgram) return;
11820 switch (gameMode) {
11821 case TwoMachinesPlay:
11823 case MachinePlaysWhite:
11824 case MachinePlaysBlack:
11825 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11826 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11830 case BeginningOfGame:
11831 case PlayFromGameFile:
11834 if (gameMode != EditGame) return;
11837 EditPositionDone(TRUE);
11848 // forwardMostMove = currentMove;
11849 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
11850 ResurrectChessProgram(); /* in case first program isn't running */
11852 if (second.pr == NULL) {
11853 StartChessProgram(&second);
11854 if (second.protocolVersion == 1) {
11855 TwoMachinesEventIfReady();
11857 /* kludge: allow timeout for initial "feature" command */
11859 DisplayMessage("", _("Starting second chess program"));
11860 ScheduleDelayedEvent(TwoMachinesEventIfReady, FEATURE_TIMEOUT);
11864 DisplayMessage("", "");
11865 InitChessProgram(&second, FALSE);
11866 SendToProgram("force\n", &second);
11867 if (startedFromSetupPosition) {
11868 SendBoard(&second, backwardMostMove);
11869 if (appData.debugMode) {
11870 fprintf(debugFP, "Two Machines\n");
11873 for (i = backwardMostMove; i < forwardMostMove; i++) {
11874 SendMoveToProgram(i, &second);
11877 gameMode = TwoMachinesPlay;
11881 DisplayTwoMachinesTitle();
11883 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
11889 SendToProgram(first.computerString, &first);
11890 if (first.sendName) {
11891 sprintf(buf, "name %s\n", second.tidy);
11892 SendToProgram(buf, &first);
11894 SendToProgram(second.computerString, &second);
11895 if (second.sendName) {
11896 sprintf(buf, "name %s\n", first.tidy);
11897 SendToProgram(buf, &second);
11901 if (!first.sendTime || !second.sendTime) {
11902 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11903 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11905 if (onmove->sendTime) {
11906 if (onmove->useColors) {
11907 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
11909 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
11911 if (onmove->useColors) {
11912 SendToProgram(onmove->twoMachinesColor, onmove);
11914 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
11915 // SendToProgram("go\n", onmove);
11916 onmove->maybeThinking = TRUE;
11917 SetMachineThinkingEnables();
11921 if(bookHit) { // [HGM] book: simulate book reply
11922 static char bookMove[MSG_SIZ]; // a bit generous?
11924 programStats.nodes = programStats.depth = programStats.time =
11925 programStats.score = programStats.got_only_move = 0;
11926 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11928 strcpy(bookMove, "move ");
11929 strcat(bookMove, bookHit);
11930 savedMessage = bookMove; // args for deferred call
11931 savedState = onmove;
11932 ScheduleDelayedEvent(DeferredBookMove, 1);
11939 if (gameMode == Training) {
11940 SetTrainingModeOff();
11941 gameMode = PlayFromGameFile;
11942 DisplayMessage("", _("Training mode off"));
11944 gameMode = Training;
11945 animateTraining = appData.animate;
11947 /* make sure we are not already at the end of the game */
11948 if (currentMove < forwardMostMove) {
11949 SetTrainingModeOn();
11950 DisplayMessage("", _("Training mode on"));
11952 gameMode = PlayFromGameFile;
11953 DisplayError(_("Already at end of game"), 0);
11962 if (!appData.icsActive) return;
11963 switch (gameMode) {
11964 case IcsPlayingWhite:
11965 case IcsPlayingBlack:
11968 case BeginningOfGame:
11976 EditPositionDone(TRUE);
11989 gameMode = IcsIdle;
12000 switch (gameMode) {
12002 SetTrainingModeOff();
12004 case MachinePlaysWhite:
12005 case MachinePlaysBlack:
12006 case BeginningOfGame:
12007 SendToProgram("force\n", &first);
12008 SetUserThinkingEnables();
12010 case PlayFromGameFile:
12011 (void) StopLoadGameTimer();
12012 if (gameFileFP != NULL) {
12017 EditPositionDone(TRUE);
12022 SendToProgram("force\n", &first);
12024 case TwoMachinesPlay:
12025 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
12026 ResurrectChessProgram();
12027 SetUserThinkingEnables();
12030 ResurrectChessProgram();
12032 case IcsPlayingBlack:
12033 case IcsPlayingWhite:
12034 DisplayError(_("Warning: You are still playing a game"), 0);
12037 DisplayError(_("Warning: You are still observing a game"), 0);
12040 DisplayError(_("Warning: You are still examining a game"), 0);
12051 first.offeredDraw = second.offeredDraw = 0;
12053 if (gameMode == PlayFromGameFile) {
12054 whiteTimeRemaining = timeRemaining[0][currentMove];
12055 blackTimeRemaining = timeRemaining[1][currentMove];
12059 if (gameMode == MachinePlaysWhite ||
12060 gameMode == MachinePlaysBlack ||
12061 gameMode == TwoMachinesPlay ||
12062 gameMode == EndOfGame) {
12063 i = forwardMostMove;
12064 while (i > currentMove) {
12065 SendToProgram("undo\n", &first);
12068 whiteTimeRemaining = timeRemaining[0][currentMove];
12069 blackTimeRemaining = timeRemaining[1][currentMove];
12070 DisplayBothClocks();
12071 if (whiteFlag || blackFlag) {
12072 whiteFlag = blackFlag = 0;
12077 gameMode = EditGame;
12084 EditPositionEvent()
12086 if (gameMode == EditPosition) {
12092 if (gameMode != EditGame) return;
12094 gameMode = EditPosition;
12097 if (currentMove > 0)
12098 CopyBoard(boards[0], boards[currentMove]);
12100 blackPlaysFirst = !WhiteOnMove(currentMove);
12102 currentMove = forwardMostMove = backwardMostMove = 0;
12103 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12110 /* [DM] icsEngineAnalyze - possible call from other functions */
12111 if (appData.icsEngineAnalyze) {
12112 appData.icsEngineAnalyze = FALSE;
12114 DisplayMessage("",_("Close ICS engine analyze..."));
12116 if (first.analysisSupport && first.analyzing) {
12117 SendToProgram("exit\n", &first);
12118 first.analyzing = FALSE;
12120 thinkOutput[0] = NULLCHAR;
12124 EditPositionDone(Boolean fakeRights)
12126 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
12128 startedFromSetupPosition = TRUE;
12129 InitChessProgram(&first, FALSE);
12130 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
12131 boards[0][EP_STATUS] = EP_NONE;
12132 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
12133 if(boards[0][0][BOARD_WIDTH>>1] == king) {
12134 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
12135 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
12136 } else boards[0][CASTLING][2] = NoRights;
12137 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
12138 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
12139 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
12140 } else boards[0][CASTLING][5] = NoRights;
12142 SendToProgram("force\n", &first);
12143 if (blackPlaysFirst) {
12144 strcpy(moveList[0], "");
12145 strcpy(parseList[0], "");
12146 currentMove = forwardMostMove = backwardMostMove = 1;
12147 CopyBoard(boards[1], boards[0]);
12149 currentMove = forwardMostMove = backwardMostMove = 0;
12151 SendBoard(&first, forwardMostMove);
12152 if (appData.debugMode) {
12153 fprintf(debugFP, "EditPosDone\n");
12156 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12157 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12158 gameMode = EditGame;
12160 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12161 ClearHighlights(); /* [AS] */
12164 /* Pause for `ms' milliseconds */
12165 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12175 } while (SubtractTimeMarks(&m2, &m1) < ms);
12178 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12180 SendMultiLineToICS(buf)
12183 char temp[MSG_SIZ+1], *p;
12190 strncpy(temp, buf, len);
12195 if (*p == '\n' || *p == '\r')
12200 strcat(temp, "\n");
12202 SendToPlayer(temp, strlen(temp));
12206 SetWhiteToPlayEvent()
12208 if (gameMode == EditPosition) {
12209 blackPlaysFirst = FALSE;
12210 DisplayBothClocks(); /* works because currentMove is 0 */
12211 } else if (gameMode == IcsExamining) {
12212 SendToICS(ics_prefix);
12213 SendToICS("tomove white\n");
12218 SetBlackToPlayEvent()
12220 if (gameMode == EditPosition) {
12221 blackPlaysFirst = TRUE;
12222 currentMove = 1; /* kludge */
12223 DisplayBothClocks();
12225 } else if (gameMode == IcsExamining) {
12226 SendToICS(ics_prefix);
12227 SendToICS("tomove black\n");
12232 EditPositionMenuEvent(selection, x, y)
12233 ChessSquare selection;
12237 ChessSquare piece = boards[0][y][x];
12239 if (gameMode != EditPosition && gameMode != IcsExamining) return;
12241 switch (selection) {
12243 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
12244 SendToICS(ics_prefix);
12245 SendToICS("bsetup clear\n");
12246 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
12247 SendToICS(ics_prefix);
12248 SendToICS("clearboard\n");
12250 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
12251 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
12252 for (y = 0; y < BOARD_HEIGHT; y++) {
12253 if (gameMode == IcsExamining) {
12254 if (boards[currentMove][y][x] != EmptySquare) {
12255 sprintf(buf, "%sx@%c%c\n", ics_prefix,
12260 boards[0][y][x] = p;
12265 if (gameMode == EditPosition) {
12266 DrawPosition(FALSE, boards[0]);
12271 SetWhiteToPlayEvent();
12275 SetBlackToPlayEvent();
12279 if (gameMode == IcsExamining) {
12280 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12281 sprintf(buf, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
12284 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12285 if(x == BOARD_LEFT-2) {
12286 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
12287 boards[0][y][1] = 0;
12289 if(x == BOARD_RGHT+1) {
12290 if(y >= gameInfo.holdingsSize) break;
12291 boards[0][y][BOARD_WIDTH-2] = 0;
12294 boards[0][y][x] = EmptySquare;
12295 DrawPosition(FALSE, boards[0]);
12300 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
12301 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
12302 selection = (ChessSquare) (PROMOTED piece);
12303 } else if(piece == EmptySquare) selection = WhiteSilver;
12304 else selection = (ChessSquare)((int)piece - 1);
12308 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
12309 piece > (int)BlackMan && piece <= (int)BlackKing ) {
12310 selection = (ChessSquare) (DEMOTED piece);
12311 } else if(piece == EmptySquare) selection = BlackSilver;
12312 else selection = (ChessSquare)((int)piece + 1);
12317 if(gameInfo.variant == VariantShatranj ||
12318 gameInfo.variant == VariantXiangqi ||
12319 gameInfo.variant == VariantCourier ||
12320 gameInfo.variant == VariantMakruk )
12321 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
12326 if(gameInfo.variant == VariantXiangqi)
12327 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
12328 if(gameInfo.variant == VariantKnightmate)
12329 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
12332 if (gameMode == IcsExamining) {
12333 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12334 sprintf(buf, "%s%c@%c%c\n", ics_prefix,
12335 PieceToChar(selection), AAA + x, ONE + y);
12338 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12340 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
12341 n = PieceToNumber(selection - BlackPawn);
12342 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
12343 boards[0][BOARD_HEIGHT-1-n][0] = selection;
12344 boards[0][BOARD_HEIGHT-1-n][1]++;
12346 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
12347 n = PieceToNumber(selection);
12348 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
12349 boards[0][n][BOARD_WIDTH-1] = selection;
12350 boards[0][n][BOARD_WIDTH-2]++;
12353 boards[0][y][x] = selection;
12354 DrawPosition(TRUE, boards[0]);
12362 DropMenuEvent(selection, x, y)
12363 ChessSquare selection;
12366 ChessMove moveType;
12368 switch (gameMode) {
12369 case IcsPlayingWhite:
12370 case MachinePlaysBlack:
12371 if (!WhiteOnMove(currentMove)) {
12372 DisplayMoveError(_("It is Black's turn"));
12375 moveType = WhiteDrop;
12377 case IcsPlayingBlack:
12378 case MachinePlaysWhite:
12379 if (WhiteOnMove(currentMove)) {
12380 DisplayMoveError(_("It is White's turn"));
12383 moveType = BlackDrop;
12386 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
12392 if (moveType == BlackDrop && selection < BlackPawn) {
12393 selection = (ChessSquare) ((int) selection
12394 + (int) BlackPawn - (int) WhitePawn);
12396 if (boards[currentMove][y][x] != EmptySquare) {
12397 DisplayMoveError(_("That square is occupied"));
12401 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
12407 /* Accept a pending offer of any kind from opponent */
12409 if (appData.icsActive) {
12410 SendToICS(ics_prefix);
12411 SendToICS("accept\n");
12412 } else if (cmailMsgLoaded) {
12413 if (currentMove == cmailOldMove &&
12414 commentList[cmailOldMove] != NULL &&
12415 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12416 "Black offers a draw" : "White offers a draw")) {
12418 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12419 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12421 DisplayError(_("There is no pending offer on this move"), 0);
12422 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12425 /* Not used for offers from chess program */
12432 /* Decline a pending offer of any kind from opponent */
12434 if (appData.icsActive) {
12435 SendToICS(ics_prefix);
12436 SendToICS("decline\n");
12437 } else if (cmailMsgLoaded) {
12438 if (currentMove == cmailOldMove &&
12439 commentList[cmailOldMove] != NULL &&
12440 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12441 "Black offers a draw" : "White offers a draw")) {
12443 AppendComment(cmailOldMove, "Draw declined", TRUE);
12444 DisplayComment(cmailOldMove - 1, "Draw declined");
12447 DisplayError(_("There is no pending offer on this move"), 0);
12450 /* Not used for offers from chess program */
12457 /* Issue ICS rematch command */
12458 if (appData.icsActive) {
12459 SendToICS(ics_prefix);
12460 SendToICS("rematch\n");
12467 /* Call your opponent's flag (claim a win on time) */
12468 if (appData.icsActive) {
12469 SendToICS(ics_prefix);
12470 SendToICS("flag\n");
12472 switch (gameMode) {
12475 case MachinePlaysWhite:
12478 GameEnds(GameIsDrawn, "Both players ran out of time",
12481 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
12483 DisplayError(_("Your opponent is not out of time"), 0);
12486 case MachinePlaysBlack:
12489 GameEnds(GameIsDrawn, "Both players ran out of time",
12492 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
12494 DisplayError(_("Your opponent is not out of time"), 0);
12504 /* Offer draw or accept pending draw offer from opponent */
12506 if (appData.icsActive) {
12507 /* Note: tournament rules require draw offers to be
12508 made after you make your move but before you punch
12509 your clock. Currently ICS doesn't let you do that;
12510 instead, you immediately punch your clock after making
12511 a move, but you can offer a draw at any time. */
12513 SendToICS(ics_prefix);
12514 SendToICS("draw\n");
12515 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
12516 } else if (cmailMsgLoaded) {
12517 if (currentMove == cmailOldMove &&
12518 commentList[cmailOldMove] != NULL &&
12519 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12520 "Black offers a draw" : "White offers a draw")) {
12521 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12522 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12523 } else if (currentMove == cmailOldMove + 1) {
12524 char *offer = WhiteOnMove(cmailOldMove) ?
12525 "White offers a draw" : "Black offers a draw";
12526 AppendComment(currentMove, offer, TRUE);
12527 DisplayComment(currentMove - 1, offer);
12528 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
12530 DisplayError(_("You must make your move before offering a draw"), 0);
12531 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12533 } else if (first.offeredDraw) {
12534 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
12536 if (first.sendDrawOffers) {
12537 SendToProgram("draw\n", &first);
12538 userOfferedDraw = TRUE;
12546 /* Offer Adjourn or accept pending Adjourn offer from opponent */
12548 if (appData.icsActive) {
12549 SendToICS(ics_prefix);
12550 SendToICS("adjourn\n");
12552 /* Currently GNU Chess doesn't offer or accept Adjourns */
12560 /* Offer Abort or accept pending Abort offer from opponent */
12562 if (appData.icsActive) {
12563 SendToICS(ics_prefix);
12564 SendToICS("abort\n");
12566 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
12573 /* Resign. You can do this even if it's not your turn. */
12575 if (appData.icsActive) {
12576 SendToICS(ics_prefix);
12577 SendToICS("resign\n");
12579 switch (gameMode) {
12580 case MachinePlaysWhite:
12581 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12583 case MachinePlaysBlack:
12584 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12587 if (cmailMsgLoaded) {
12589 if (WhiteOnMove(cmailOldMove)) {
12590 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12592 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12594 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
12605 StopObservingEvent()
12607 /* Stop observing current games */
12608 SendToICS(ics_prefix);
12609 SendToICS("unobserve\n");
12613 StopExaminingEvent()
12615 /* Stop observing current game */
12616 SendToICS(ics_prefix);
12617 SendToICS("unexamine\n");
12621 ForwardInner(target)
12626 if (appData.debugMode)
12627 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
12628 target, currentMove, forwardMostMove);
12630 if (gameMode == EditPosition)
12633 if (gameMode == PlayFromGameFile && !pausing)
12636 if (gameMode == IcsExamining && pausing)
12637 limit = pauseExamForwardMostMove;
12639 limit = forwardMostMove;
12641 if (target > limit) target = limit;
12643 if (target > 0 && moveList[target - 1][0]) {
12644 int fromX, fromY, toX, toY;
12645 toX = moveList[target - 1][2] - AAA;
12646 toY = moveList[target - 1][3] - ONE;
12647 if (moveList[target - 1][1] == '@') {
12648 if (appData.highlightLastMove) {
12649 SetHighlights(-1, -1, toX, toY);
12652 fromX = moveList[target - 1][0] - AAA;
12653 fromY = moveList[target - 1][1] - ONE;
12654 if (target == currentMove + 1) {
12655 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12657 if (appData.highlightLastMove) {
12658 SetHighlights(fromX, fromY, toX, toY);
12662 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12663 gameMode == Training || gameMode == PlayFromGameFile ||
12664 gameMode == AnalyzeFile) {
12665 while (currentMove < target) {
12666 SendMoveToProgram(currentMove++, &first);
12669 currentMove = target;
12672 if (gameMode == EditGame || gameMode == EndOfGame) {
12673 whiteTimeRemaining = timeRemaining[0][currentMove];
12674 blackTimeRemaining = timeRemaining[1][currentMove];
12676 DisplayBothClocks();
12677 DisplayMove(currentMove - 1);
12678 DrawPosition(FALSE, boards[currentMove]);
12679 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12680 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
12681 DisplayComment(currentMove - 1, commentList[currentMove]);
12689 if (gameMode == IcsExamining && !pausing) {
12690 SendToICS(ics_prefix);
12691 SendToICS("forward\n");
12693 ForwardInner(currentMove + 1);
12700 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12701 /* to optimze, we temporarily turn off analysis mode while we feed
12702 * the remaining moves to the engine. Otherwise we get analysis output
12705 if (first.analysisSupport) {
12706 SendToProgram("exit\nforce\n", &first);
12707 first.analyzing = FALSE;
12711 if (gameMode == IcsExamining && !pausing) {
12712 SendToICS(ics_prefix);
12713 SendToICS("forward 999999\n");
12715 ForwardInner(forwardMostMove);
12718 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12719 /* we have fed all the moves, so reactivate analysis mode */
12720 SendToProgram("analyze\n", &first);
12721 first.analyzing = TRUE;
12722 /*first.maybeThinking = TRUE;*/
12723 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12728 BackwardInner(target)
12731 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
12733 if (appData.debugMode)
12734 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
12735 target, currentMove, forwardMostMove);
12737 if (gameMode == EditPosition) return;
12738 if (currentMove <= backwardMostMove) {
12740 DrawPosition(full_redraw, boards[currentMove]);
12743 if (gameMode == PlayFromGameFile && !pausing)
12746 if (moveList[target][0]) {
12747 int fromX, fromY, toX, toY;
12748 toX = moveList[target][2] - AAA;
12749 toY = moveList[target][3] - ONE;
12750 if (moveList[target][1] == '@') {
12751 if (appData.highlightLastMove) {
12752 SetHighlights(-1, -1, toX, toY);
12755 fromX = moveList[target][0] - AAA;
12756 fromY = moveList[target][1] - ONE;
12757 if (target == currentMove - 1) {
12758 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
12760 if (appData.highlightLastMove) {
12761 SetHighlights(fromX, fromY, toX, toY);
12765 if (gameMode == EditGame || gameMode==AnalyzeMode ||
12766 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
12767 while (currentMove > target) {
12768 SendToProgram("undo\n", &first);
12772 currentMove = target;
12775 if (gameMode == EditGame || gameMode == EndOfGame) {
12776 whiteTimeRemaining = timeRemaining[0][currentMove];
12777 blackTimeRemaining = timeRemaining[1][currentMove];
12779 DisplayBothClocks();
12780 DisplayMove(currentMove - 1);
12781 DrawPosition(full_redraw, boards[currentMove]);
12782 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12783 // [HGM] PV info: routine tests if comment empty
12784 DisplayComment(currentMove - 1, commentList[currentMove]);
12790 if (gameMode == IcsExamining && !pausing) {
12791 SendToICS(ics_prefix);
12792 SendToICS("backward\n");
12794 BackwardInner(currentMove - 1);
12801 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12802 /* to optimize, we temporarily turn off analysis mode while we undo
12803 * all the moves. Otherwise we get analysis output after each undo.
12805 if (first.analysisSupport) {
12806 SendToProgram("exit\nforce\n", &first);
12807 first.analyzing = FALSE;
12811 if (gameMode == IcsExamining && !pausing) {
12812 SendToICS(ics_prefix);
12813 SendToICS("backward 999999\n");
12815 BackwardInner(backwardMostMove);
12818 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12819 /* we have fed all the moves, so reactivate analysis mode */
12820 SendToProgram("analyze\n", &first);
12821 first.analyzing = TRUE;
12822 /*first.maybeThinking = TRUE;*/
12823 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12830 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
12831 if (to >= forwardMostMove) to = forwardMostMove;
12832 if (to <= backwardMostMove) to = backwardMostMove;
12833 if (to < currentMove) {
12841 RevertEvent(Boolean annotate)
12843 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
12846 if (gameMode != IcsExamining) {
12847 DisplayError(_("You are not examining a game"), 0);
12851 DisplayError(_("You can't revert while pausing"), 0);
12854 SendToICS(ics_prefix);
12855 SendToICS("revert\n");
12861 switch (gameMode) {
12862 case MachinePlaysWhite:
12863 case MachinePlaysBlack:
12864 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12865 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12868 if (forwardMostMove < 2) return;
12869 currentMove = forwardMostMove = forwardMostMove - 2;
12870 whiteTimeRemaining = timeRemaining[0][currentMove];
12871 blackTimeRemaining = timeRemaining[1][currentMove];
12872 DisplayBothClocks();
12873 DisplayMove(currentMove - 1);
12874 ClearHighlights();/*!! could figure this out*/
12875 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
12876 SendToProgram("remove\n", &first);
12877 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
12880 case BeginningOfGame:
12884 case IcsPlayingWhite:
12885 case IcsPlayingBlack:
12886 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
12887 SendToICS(ics_prefix);
12888 SendToICS("takeback 2\n");
12890 SendToICS(ics_prefix);
12891 SendToICS("takeback 1\n");
12900 ChessProgramState *cps;
12902 switch (gameMode) {
12903 case MachinePlaysWhite:
12904 if (!WhiteOnMove(forwardMostMove)) {
12905 DisplayError(_("It is your turn"), 0);
12910 case MachinePlaysBlack:
12911 if (WhiteOnMove(forwardMostMove)) {
12912 DisplayError(_("It is your turn"), 0);
12917 case TwoMachinesPlay:
12918 if (WhiteOnMove(forwardMostMove) ==
12919 (first.twoMachinesColor[0] == 'w')) {
12925 case BeginningOfGame:
12929 SendToProgram("?\n", cps);
12933 TruncateGameEvent()
12936 if (gameMode != EditGame) return;
12943 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
12944 if (forwardMostMove > currentMove) {
12945 if (gameInfo.resultDetails != NULL) {
12946 free(gameInfo.resultDetails);
12947 gameInfo.resultDetails = NULL;
12948 gameInfo.result = GameUnfinished;
12950 forwardMostMove = currentMove;
12951 HistorySet(parseList, backwardMostMove, forwardMostMove,
12959 if (appData.noChessProgram) return;
12960 switch (gameMode) {
12961 case MachinePlaysWhite:
12962 if (WhiteOnMove(forwardMostMove)) {
12963 DisplayError(_("Wait until your turn"), 0);
12967 case BeginningOfGame:
12968 case MachinePlaysBlack:
12969 if (!WhiteOnMove(forwardMostMove)) {
12970 DisplayError(_("Wait until your turn"), 0);
12975 DisplayError(_("No hint available"), 0);
12978 SendToProgram("hint\n", &first);
12979 hintRequested = TRUE;
12985 if (appData.noChessProgram) return;
12986 switch (gameMode) {
12987 case MachinePlaysWhite:
12988 if (WhiteOnMove(forwardMostMove)) {
12989 DisplayError(_("Wait until your turn"), 0);
12993 case BeginningOfGame:
12994 case MachinePlaysBlack:
12995 if (!WhiteOnMove(forwardMostMove)) {
12996 DisplayError(_("Wait until your turn"), 0);
13001 EditPositionDone(TRUE);
13003 case TwoMachinesPlay:
13008 SendToProgram("bk\n", &first);
13009 bookOutput[0] = NULLCHAR;
13010 bookRequested = TRUE;
13016 char *tags = PGNTags(&gameInfo);
13017 TagsPopUp(tags, CmailMsg());
13021 /* end button procedures */
13024 PrintPosition(fp, move)
13030 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13031 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
13032 char c = PieceToChar(boards[move][i][j]);
13033 fputc(c == 'x' ? '.' : c, fp);
13034 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
13037 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
13038 fprintf(fp, "white to play\n");
13040 fprintf(fp, "black to play\n");
13047 if (gameInfo.white != NULL) {
13048 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
13054 /* Find last component of program's own name, using some heuristics */
13056 TidyProgramName(prog, host, buf)
13057 char *prog, *host, buf[MSG_SIZ];
13060 int local = (strcmp(host, "localhost") == 0);
13061 while (!local && (p = strchr(prog, ';')) != NULL) {
13063 while (*p == ' ') p++;
13066 if (*prog == '"' || *prog == '\'') {
13067 q = strchr(prog + 1, *prog);
13069 q = strchr(prog, ' ');
13071 if (q == NULL) q = prog + strlen(prog);
13073 while (p >= prog && *p != '/' && *p != '\\') p--;
13075 if(p == prog && *p == '"') p++;
13076 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
13077 memcpy(buf, p, q - p);
13078 buf[q - p] = NULLCHAR;
13086 TimeControlTagValue()
13089 if (!appData.clockMode) {
13091 } else if (movesPerSession > 0) {
13092 sprintf(buf, "%d/%ld", movesPerSession, timeControl/1000);
13093 } else if (timeIncrement == 0) {
13094 sprintf(buf, "%ld", timeControl/1000);
13096 sprintf(buf, "%ld+%ld", timeControl/1000, timeIncrement/1000);
13098 return StrSave(buf);
13104 /* This routine is used only for certain modes */
13105 VariantClass v = gameInfo.variant;
13106 ChessMove r = GameUnfinished;
13109 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
13110 r = gameInfo.result;
13111 p = gameInfo.resultDetails;
13112 gameInfo.resultDetails = NULL;
13114 ClearGameInfo(&gameInfo);
13115 gameInfo.variant = v;
13117 switch (gameMode) {
13118 case MachinePlaysWhite:
13119 gameInfo.event = StrSave( appData.pgnEventHeader );
13120 gameInfo.site = StrSave(HostName());
13121 gameInfo.date = PGNDate();
13122 gameInfo.round = StrSave("-");
13123 gameInfo.white = StrSave(first.tidy);
13124 gameInfo.black = StrSave(UserName());
13125 gameInfo.timeControl = TimeControlTagValue();
13128 case MachinePlaysBlack:
13129 gameInfo.event = StrSave( appData.pgnEventHeader );
13130 gameInfo.site = StrSave(HostName());
13131 gameInfo.date = PGNDate();
13132 gameInfo.round = StrSave("-");
13133 gameInfo.white = StrSave(UserName());
13134 gameInfo.black = StrSave(first.tidy);
13135 gameInfo.timeControl = TimeControlTagValue();
13138 case TwoMachinesPlay:
13139 gameInfo.event = StrSave( appData.pgnEventHeader );
13140 gameInfo.site = StrSave(HostName());
13141 gameInfo.date = PGNDate();
13142 if (matchGame > 0) {
13144 sprintf(buf, "%d", matchGame);
13145 gameInfo.round = StrSave(buf);
13147 gameInfo.round = StrSave("-");
13149 if (first.twoMachinesColor[0] == 'w') {
13150 gameInfo.white = StrSave(first.tidy);
13151 gameInfo.black = StrSave(second.tidy);
13153 gameInfo.white = StrSave(second.tidy);
13154 gameInfo.black = StrSave(first.tidy);
13156 gameInfo.timeControl = TimeControlTagValue();
13160 gameInfo.event = StrSave("Edited game");
13161 gameInfo.site = StrSave(HostName());
13162 gameInfo.date = PGNDate();
13163 gameInfo.round = StrSave("-");
13164 gameInfo.white = StrSave("-");
13165 gameInfo.black = StrSave("-");
13166 gameInfo.result = r;
13167 gameInfo.resultDetails = p;
13171 gameInfo.event = StrSave("Edited position");
13172 gameInfo.site = StrSave(HostName());
13173 gameInfo.date = PGNDate();
13174 gameInfo.round = StrSave("-");
13175 gameInfo.white = StrSave("-");
13176 gameInfo.black = StrSave("-");
13179 case IcsPlayingWhite:
13180 case IcsPlayingBlack:
13185 case PlayFromGameFile:
13186 gameInfo.event = StrSave("Game from non-PGN file");
13187 gameInfo.site = StrSave(HostName());
13188 gameInfo.date = PGNDate();
13189 gameInfo.round = StrSave("-");
13190 gameInfo.white = StrSave("?");
13191 gameInfo.black = StrSave("?");
13200 ReplaceComment(index, text)
13206 while (*text == '\n') text++;
13207 len = strlen(text);
13208 while (len > 0 && text[len - 1] == '\n') len--;
13210 if (commentList[index] != NULL)
13211 free(commentList[index]);
13214 commentList[index] = NULL;
13217 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
13218 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
13219 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
13220 commentList[index] = (char *) malloc(len + 2);
13221 strncpy(commentList[index], text, len);
13222 commentList[index][len] = '\n';
13223 commentList[index][len + 1] = NULLCHAR;
13225 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
13227 commentList[index] = (char *) malloc(len + 6);
13228 strcpy(commentList[index], "{\n");
13229 strncpy(commentList[index]+2, text, len);
13230 commentList[index][len+2] = NULLCHAR;
13231 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
13232 strcat(commentList[index], "\n}\n");
13246 if (ch == '\r') continue;
13248 } while (ch != '\0');
13252 AppendComment(index, text, addBraces)
13255 Boolean addBraces; // [HGM] braces: tells if we should add {}
13260 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
13261 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
13264 while (*text == '\n') text++;
13265 len = strlen(text);
13266 while (len > 0 && text[len - 1] == '\n') len--;
13268 if (len == 0) return;
13270 if (commentList[index] != NULL) {
13271 old = commentList[index];
13272 oldlen = strlen(old);
13273 while(commentList[index][oldlen-1] == '\n')
13274 commentList[index][--oldlen] = NULLCHAR;
13275 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
13276 strcpy(commentList[index], old);
13278 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
13279 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces)) {
13280 if(addBraces) addBraces = FALSE; else { text++; len--; }
13281 while (*text == '\n') { text++; len--; }
13282 commentList[index][--oldlen] = NULLCHAR;
13284 if(addBraces) strcat(commentList[index], "\n{\n");
13285 else strcat(commentList[index], "\n");
13286 strcat(commentList[index], text);
13287 if(addBraces) strcat(commentList[index], "\n}\n");
13288 else strcat(commentList[index], "\n");
13290 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
13292 strcpy(commentList[index], "{\n");
13293 else commentList[index][0] = NULLCHAR;
13294 strcat(commentList[index], text);
13295 strcat(commentList[index], "\n");
13296 if(addBraces) strcat(commentList[index], "}\n");
13300 static char * FindStr( char * text, char * sub_text )
13302 char * result = strstr( text, sub_text );
13304 if( result != NULL ) {
13305 result += strlen( sub_text );
13311 /* [AS] Try to extract PV info from PGN comment */
13312 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
13313 char *GetInfoFromComment( int index, char * text )
13317 if( text != NULL && index > 0 ) {
13320 int time = -1, sec = 0, deci;
13321 char * s_eval = FindStr( text, "[%eval " );
13322 char * s_emt = FindStr( text, "[%emt " );
13324 if( s_eval != NULL || s_emt != NULL ) {
13328 if( s_eval != NULL ) {
13329 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
13333 if( delim != ']' ) {
13338 if( s_emt != NULL ) {
13343 /* We expect something like: [+|-]nnn.nn/dd */
13346 if(*text != '{') return text; // [HGM] braces: must be normal comment
13348 sep = strchr( text, '/' );
13349 if( sep == NULL || sep < (text+4) ) {
13353 time = -1; sec = -1; deci = -1;
13354 if( sscanf( text+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
13355 sscanf( text+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
13356 sscanf( text+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
13357 sscanf( text+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
13361 if( score_lo < 0 || score_lo >= 100 ) {
13365 if(sec >= 0) time = 600*time + 10*sec; else
13366 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
13368 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
13370 /* [HGM] PV time: now locate end of PV info */
13371 while( *++sep >= '0' && *sep <= '9'); // strip depth
13373 while( *++sep >= '0' && *sep <= '9'); // strip time
13375 while( *++sep >= '0' && *sep <= '9'); // strip seconds
13377 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
13378 while(*sep == ' ') sep++;
13389 pvInfoList[index-1].depth = depth;
13390 pvInfoList[index-1].score = score;
13391 pvInfoList[index-1].time = 10*time; // centi-sec
13392 if(*sep == '}') *sep = 0; else *--sep = '{';
13398 SendToProgram(message, cps)
13400 ChessProgramState *cps;
13402 int count, outCount, error;
13405 if (cps->pr == NULL) return;
13408 if (appData.debugMode) {
13411 fprintf(debugFP, "%ld >%-6s: %s",
13412 SubtractTimeMarks(&now, &programStartTime),
13413 cps->which, message);
13416 count = strlen(message);
13417 outCount = OutputToProcess(cps->pr, message, count, &error);
13418 if (outCount < count && !exiting
13419 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
13420 sprintf(buf, _("Error writing to %s chess program"), cps->which);
13421 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13422 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13423 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13424 sprintf(buf, "%s program exits in draw position (%s)", cps->which, cps->program);
13426 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13428 gameInfo.resultDetails = StrSave(buf);
13430 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13435 ReceiveFromProgram(isr, closure, message, count, error)
13436 InputSourceRef isr;
13444 ChessProgramState *cps = (ChessProgramState *)closure;
13446 if (isr != cps->isr) return; /* Killed intentionally */
13450 _("Error: %s chess program (%s) exited unexpectedly"),
13451 cps->which, cps->program);
13452 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13453 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13454 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13455 sprintf(buf, _("%s program exits in draw position (%s)"), cps->which, cps->program);
13457 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13459 gameInfo.resultDetails = StrSave(buf);
13461 RemoveInputSource(cps->isr);
13462 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
13465 _("Error reading from %s chess program (%s)"),
13466 cps->which, cps->program);
13467 RemoveInputSource(cps->isr);
13469 /* [AS] Program is misbehaving badly... kill it */
13470 if( count == -2 ) {
13471 DestroyChildProcess( cps->pr, 9 );
13475 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13480 if ((end_str = strchr(message, '\r')) != NULL)
13481 *end_str = NULLCHAR;
13482 if ((end_str = strchr(message, '\n')) != NULL)
13483 *end_str = NULLCHAR;
13485 if (appData.debugMode) {
13486 TimeMark now; int print = 1;
13487 char *quote = ""; char c; int i;
13489 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
13490 char start = message[0];
13491 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
13492 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
13493 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
13494 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
13495 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
13496 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
13497 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
13498 sscanf(message, "pong %c", &c)!=1 && start != '#') {
13499 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
13500 print = (appData.engineComments >= 2);
13502 message[0] = start; // restore original message
13506 fprintf(debugFP, "%ld <%-6s: %s%s\n",
13507 SubtractTimeMarks(&now, &programStartTime), cps->which,
13513 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
13514 if (appData.icsEngineAnalyze) {
13515 if (strstr(message, "whisper") != NULL ||
13516 strstr(message, "kibitz") != NULL ||
13517 strstr(message, "tellics") != NULL) return;
13520 HandleMachineMove(message, cps);
13525 SendTimeControl(cps, mps, tc, inc, sd, st)
13526 ChessProgramState *cps;
13527 int mps, inc, sd, st;
13533 if( timeControl_2 > 0 ) {
13534 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
13535 tc = timeControl_2;
13538 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
13539 inc /= cps->timeOdds;
13540 st /= cps->timeOdds;
13542 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
13545 /* Set exact time per move, normally using st command */
13546 if (cps->stKludge) {
13547 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
13549 if (seconds == 0) {
13550 sprintf(buf, "level 1 %d\n", st/60);
13552 sprintf(buf, "level 1 %d:%02d\n", st/60, seconds);
13555 sprintf(buf, "st %d\n", st);
13558 /* Set conventional or incremental time control, using level command */
13559 if (seconds == 0) {
13560 /* Note old gnuchess bug -- minutes:seconds used to not work.
13561 Fixed in later versions, but still avoid :seconds
13562 when seconds is 0. */
13563 sprintf(buf, "level %d %ld %d\n", mps, tc/60000, inc/1000);
13565 sprintf(buf, "level %d %ld:%02d %d\n", mps, tc/60000,
13566 seconds, inc/1000);
13569 SendToProgram(buf, cps);
13571 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
13572 /* Orthogonally, limit search to given depth */
13574 if (cps->sdKludge) {
13575 sprintf(buf, "depth\n%d\n", sd);
13577 sprintf(buf, "sd %d\n", sd);
13579 SendToProgram(buf, cps);
13582 if(cps->nps > 0) { /* [HGM] nps */
13583 if(cps->supportsNPS == FALSE) cps->nps = -1; // don't use if engine explicitly says not supported!
13585 sprintf(buf, "nps %d\n", cps->nps);
13586 SendToProgram(buf, cps);
13591 ChessProgramState *WhitePlayer()
13592 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
13594 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
13595 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
13601 SendTimeRemaining(cps, machineWhite)
13602 ChessProgramState *cps;
13603 int /*boolean*/ machineWhite;
13605 char message[MSG_SIZ];
13608 /* Note: this routine must be called when the clocks are stopped
13609 or when they have *just* been set or switched; otherwise
13610 it will be off by the time since the current tick started.
13612 if (machineWhite) {
13613 time = whiteTimeRemaining / 10;
13614 otime = blackTimeRemaining / 10;
13616 time = blackTimeRemaining / 10;
13617 otime = whiteTimeRemaining / 10;
13619 /* [HGM] translate opponent's time by time-odds factor */
13620 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
13621 if (appData.debugMode) {
13622 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
13625 if (time <= 0) time = 1;
13626 if (otime <= 0) otime = 1;
13628 sprintf(message, "time %ld\n", time);
13629 SendToProgram(message, cps);
13631 sprintf(message, "otim %ld\n", otime);
13632 SendToProgram(message, cps);
13636 BoolFeature(p, name, loc, cps)
13640 ChessProgramState *cps;
13643 int len = strlen(name);
13645 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13647 sscanf(*p, "%d", &val);
13649 while (**p && **p != ' ') (*p)++;
13650 sprintf(buf, "accepted %s\n", name);
13651 SendToProgram(buf, cps);
13658 IntFeature(p, name, loc, cps)
13662 ChessProgramState *cps;
13665 int len = strlen(name);
13666 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13668 sscanf(*p, "%d", loc);
13669 while (**p && **p != ' ') (*p)++;
13670 sprintf(buf, "accepted %s\n", name);
13671 SendToProgram(buf, cps);
13678 StringFeature(p, name, loc, cps)
13682 ChessProgramState *cps;
13685 int len = strlen(name);
13686 if (strncmp((*p), name, len) == 0
13687 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
13689 sscanf(*p, "%[^\"]", loc);
13690 while (**p && **p != '\"') (*p)++;
13691 if (**p == '\"') (*p)++;
13692 sprintf(buf, "accepted %s\n", name);
13693 SendToProgram(buf, cps);
13700 ParseOption(Option *opt, ChessProgramState *cps)
13701 // [HGM] options: process the string that defines an engine option, and determine
13702 // name, type, default value, and allowed value range
13704 char *p, *q, buf[MSG_SIZ];
13705 int n, min = (-1)<<31, max = 1<<31, def;
13707 if(p = strstr(opt->name, " -spin ")) {
13708 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13709 if(max < min) max = min; // enforce consistency
13710 if(def < min) def = min;
13711 if(def > max) def = max;
13716 } else if((p = strstr(opt->name, " -slider "))) {
13717 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
13718 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13719 if(max < min) max = min; // enforce consistency
13720 if(def < min) def = min;
13721 if(def > max) def = max;
13725 opt->type = Spin; // Slider;
13726 } else if((p = strstr(opt->name, " -string "))) {
13727 opt->textValue = p+9;
13728 opt->type = TextBox;
13729 } else if((p = strstr(opt->name, " -file "))) {
13730 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13731 opt->textValue = p+7;
13732 opt->type = TextBox; // FileName;
13733 } else if((p = strstr(opt->name, " -path "))) {
13734 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13735 opt->textValue = p+7;
13736 opt->type = TextBox; // PathName;
13737 } else if(p = strstr(opt->name, " -check ")) {
13738 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
13739 opt->value = (def != 0);
13740 opt->type = CheckBox;
13741 } else if(p = strstr(opt->name, " -combo ")) {
13742 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
13743 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
13744 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
13745 opt->value = n = 0;
13746 while(q = StrStr(q, " /// ")) {
13747 n++; *q = 0; // count choices, and null-terminate each of them
13749 if(*q == '*') { // remember default, which is marked with * prefix
13753 cps->comboList[cps->comboCnt++] = q;
13755 cps->comboList[cps->comboCnt++] = NULL;
13757 opt->type = ComboBox;
13758 } else if(p = strstr(opt->name, " -button")) {
13759 opt->type = Button;
13760 } else if(p = strstr(opt->name, " -save")) {
13761 opt->type = SaveButton;
13762 } else return FALSE;
13763 *p = 0; // terminate option name
13764 // now look if the command-line options define a setting for this engine option.
13765 if(cps->optionSettings && cps->optionSettings[0])
13766 p = strstr(cps->optionSettings, opt->name); else p = NULL;
13767 if(p && (p == cps->optionSettings || p[-1] == ',')) {
13768 sprintf(buf, "option %s", p);
13769 if(p = strstr(buf, ",")) *p = 0;
13771 SendToProgram(buf, cps);
13777 FeatureDone(cps, val)
13778 ChessProgramState* cps;
13781 DelayedEventCallback cb = GetDelayedEvent();
13782 if ((cb == InitBackEnd3 && cps == &first) ||
13783 (cb == TwoMachinesEventIfReady && cps == &second)) {
13784 CancelDelayedEvent();
13785 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
13787 cps->initDone = val;
13790 /* Parse feature command from engine */
13792 ParseFeatures(args, cps)
13794 ChessProgramState *cps;
13802 while (*p == ' ') p++;
13803 if (*p == NULLCHAR) return;
13805 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
13806 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
13807 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
13808 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
13809 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
13810 if (BoolFeature(&p, "reuse", &val, cps)) {
13811 /* Engine can disable reuse, but can't enable it if user said no */
13812 if (!val) cps->reuse = FALSE;
13815 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
13816 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
13817 if (gameMode == TwoMachinesPlay) {
13818 DisplayTwoMachinesTitle();
13824 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
13825 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
13826 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
13827 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
13828 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
13829 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
13830 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
13831 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
13832 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
13833 if (IntFeature(&p, "done", &val, cps)) {
13834 FeatureDone(cps, val);
13837 /* Added by Tord: */
13838 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
13839 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
13840 /* End of additions by Tord */
13842 /* [HGM] added features: */
13843 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
13844 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
13845 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
13846 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
13847 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13848 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
13849 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
13850 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
13851 sprintf(buf, "rejected option %s\n", cps->option[--cps->nrOptions].name);
13852 SendToProgram(buf, cps);
13855 if(cps->nrOptions >= MAX_OPTIONS) {
13857 sprintf(buf, "%s engine has too many options\n", cps->which);
13858 DisplayError(buf, 0);
13862 /* End of additions by HGM */
13864 /* unknown feature: complain and skip */
13866 while (*q && *q != '=') q++;
13867 sprintf(buf, "rejected %.*s\n", (int)(q-p), p);
13868 SendToProgram(buf, cps);
13874 while (*p && *p != '\"') p++;
13875 if (*p == '\"') p++;
13877 while (*p && *p != ' ') p++;
13885 PeriodicUpdatesEvent(newState)
13888 if (newState == appData.periodicUpdates)
13891 appData.periodicUpdates=newState;
13893 /* Display type changes, so update it now */
13894 // DisplayAnalysis();
13896 /* Get the ball rolling again... */
13898 AnalysisPeriodicEvent(1);
13899 StartAnalysisClock();
13904 PonderNextMoveEvent(newState)
13907 if (newState == appData.ponderNextMove) return;
13908 if (gameMode == EditPosition) EditPositionDone(TRUE);
13910 SendToProgram("hard\n", &first);
13911 if (gameMode == TwoMachinesPlay) {
13912 SendToProgram("hard\n", &second);
13915 SendToProgram("easy\n", &first);
13916 thinkOutput[0] = NULLCHAR;
13917 if (gameMode == TwoMachinesPlay) {
13918 SendToProgram("easy\n", &second);
13921 appData.ponderNextMove = newState;
13925 NewSettingEvent(option, feature, command, value)
13927 int option, value, *feature;
13931 if (gameMode == EditPosition) EditPositionDone(TRUE);
13932 sprintf(buf, "%s%s %d\n", (option ? "option ": ""), command, value);
13933 if(feature == NULL || *feature) SendToProgram(buf, &first);
13934 if (gameMode == TwoMachinesPlay) {
13935 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
13940 ShowThinkingEvent()
13941 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
13943 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
13944 int newState = appData.showThinking
13945 // [HGM] thinking: other features now need thinking output as well
13946 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
13948 if (oldState == newState) return;
13949 oldState = newState;
13950 if (gameMode == EditPosition) EditPositionDone(TRUE);
13952 SendToProgram("post\n", &first);
13953 if (gameMode == TwoMachinesPlay) {
13954 SendToProgram("post\n", &second);
13957 SendToProgram("nopost\n", &first);
13958 thinkOutput[0] = NULLCHAR;
13959 if (gameMode == TwoMachinesPlay) {
13960 SendToProgram("nopost\n", &second);
13963 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
13967 AskQuestionEvent(title, question, replyPrefix, which)
13968 char *title; char *question; char *replyPrefix; char *which;
13970 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
13971 if (pr == NoProc) return;
13972 AskQuestion(title, question, replyPrefix, pr);
13976 DisplayMove(moveNumber)
13979 char message[MSG_SIZ];
13981 char cpThinkOutput[MSG_SIZ];
13983 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
13985 if (moveNumber == forwardMostMove - 1 ||
13986 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13988 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput));
13990 if (strchr(cpThinkOutput, '\n')) {
13991 *strchr(cpThinkOutput, '\n') = NULLCHAR;
13994 *cpThinkOutput = NULLCHAR;
13997 /* [AS] Hide thinking from human user */
13998 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
13999 *cpThinkOutput = NULLCHAR;
14000 if( thinkOutput[0] != NULLCHAR ) {
14003 for( i=0; i<=hiddenThinkOutputState; i++ ) {
14004 cpThinkOutput[i] = '.';
14006 cpThinkOutput[i] = NULLCHAR;
14007 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
14011 if (moveNumber == forwardMostMove - 1 &&
14012 gameInfo.resultDetails != NULL) {
14013 if (gameInfo.resultDetails[0] == NULLCHAR) {
14014 sprintf(res, " %s", PGNResult(gameInfo.result));
14016 sprintf(res, " {%s} %s",
14017 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
14023 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14024 DisplayMessage(res, cpThinkOutput);
14026 sprintf(message, "%d.%s%s%s", moveNumber / 2 + 1,
14027 WhiteOnMove(moveNumber) ? " " : ".. ",
14028 parseList[moveNumber], res);
14029 DisplayMessage(message, cpThinkOutput);
14034 DisplayComment(moveNumber, text)
14038 char title[MSG_SIZ];
14039 char buf[8000]; // comment can be long!
14042 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14043 strcpy(title, "Comment");
14045 sprintf(title, "Comment on %d.%s%s", moveNumber / 2 + 1,
14046 WhiteOnMove(moveNumber) ? " " : ".. ",
14047 parseList[moveNumber]);
14049 // [HGM] PV info: display PV info together with (or as) comment
14050 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
14051 if(text == NULL) text = "";
14052 score = pvInfoList[moveNumber].score;
14053 sprintf(buf, "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
14054 depth, (pvInfoList[moveNumber].time+50)/100, text);
14057 if (text != NULL && (appData.autoDisplayComment || commentUp))
14058 CommentPopUp(title, text);
14061 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
14062 * might be busy thinking or pondering. It can be omitted if your
14063 * gnuchess is configured to stop thinking immediately on any user
14064 * input. However, that gnuchess feature depends on the FIONREAD
14065 * ioctl, which does not work properly on some flavors of Unix.
14069 ChessProgramState *cps;
14072 if (!cps->useSigint) return;
14073 if (appData.noChessProgram || (cps->pr == NoProc)) return;
14074 switch (gameMode) {
14075 case MachinePlaysWhite:
14076 case MachinePlaysBlack:
14077 case TwoMachinesPlay:
14078 case IcsPlayingWhite:
14079 case IcsPlayingBlack:
14082 /* Skip if we know it isn't thinking */
14083 if (!cps->maybeThinking) return;
14084 if (appData.debugMode)
14085 fprintf(debugFP, "Interrupting %s\n", cps->which);
14086 InterruptChildProcess(cps->pr);
14087 cps->maybeThinking = FALSE;
14092 #endif /*ATTENTION*/
14098 if (whiteTimeRemaining <= 0) {
14101 if (appData.icsActive) {
14102 if (appData.autoCallFlag &&
14103 gameMode == IcsPlayingBlack && !blackFlag) {
14104 SendToICS(ics_prefix);
14105 SendToICS("flag\n");
14109 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14111 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
14112 if (appData.autoCallFlag) {
14113 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
14120 if (blackTimeRemaining <= 0) {
14123 if (appData.icsActive) {
14124 if (appData.autoCallFlag &&
14125 gameMode == IcsPlayingWhite && !whiteFlag) {
14126 SendToICS(ics_prefix);
14127 SendToICS("flag\n");
14131 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14133 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
14134 if (appData.autoCallFlag) {
14135 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
14148 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
14149 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
14152 * add time to clocks when time control is achieved ([HGM] now also used for increment)
14154 if ( !WhiteOnMove(forwardMostMove) )
14155 /* White made time control */
14156 whiteTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
14157 /* [HGM] time odds: correct new time quota for time odds! */
14158 / WhitePlayer()->timeOdds;
14160 /* Black made time control */
14161 blackTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
14162 / WhitePlayer()->other->timeOdds;
14166 DisplayBothClocks()
14168 int wom = gameMode == EditPosition ?
14169 !blackPlaysFirst : WhiteOnMove(currentMove);
14170 DisplayWhiteClock(whiteTimeRemaining, wom);
14171 DisplayBlackClock(blackTimeRemaining, !wom);
14175 /* Timekeeping seems to be a portability nightmare. I think everyone
14176 has ftime(), but I'm really not sure, so I'm including some ifdefs
14177 to use other calls if you don't. Clocks will be less accurate if
14178 you have neither ftime nor gettimeofday.
14181 /* VS 2008 requires the #include outside of the function */
14182 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
14183 #include <sys/timeb.h>
14186 /* Get the current time as a TimeMark */
14191 #if HAVE_GETTIMEOFDAY
14193 struct timeval timeVal;
14194 struct timezone timeZone;
14196 gettimeofday(&timeVal, &timeZone);
14197 tm->sec = (long) timeVal.tv_sec;
14198 tm->ms = (int) (timeVal.tv_usec / 1000L);
14200 #else /*!HAVE_GETTIMEOFDAY*/
14203 // include <sys/timeb.h> / moved to just above start of function
14204 struct timeb timeB;
14207 tm->sec = (long) timeB.time;
14208 tm->ms = (int) timeB.millitm;
14210 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
14211 tm->sec = (long) time(NULL);
14217 /* Return the difference in milliseconds between two
14218 time marks. We assume the difference will fit in a long!
14221 SubtractTimeMarks(tm2, tm1)
14222 TimeMark *tm2, *tm1;
14224 return 1000L*(tm2->sec - tm1->sec) +
14225 (long) (tm2->ms - tm1->ms);
14230 * Code to manage the game clocks.
14232 * In tournament play, black starts the clock and then white makes a move.
14233 * We give the human user a slight advantage if he is playing white---the
14234 * clocks don't run until he makes his first move, so it takes zero time.
14235 * Also, we don't account for network lag, so we could get out of sync
14236 * with GNU Chess's clock -- but then, referees are always right.
14239 static TimeMark tickStartTM;
14240 static long intendedTickLength;
14243 NextTickLength(timeRemaining)
14244 long timeRemaining;
14246 long nominalTickLength, nextTickLength;
14248 if (timeRemaining > 0L && timeRemaining <= 10000L)
14249 nominalTickLength = 100L;
14251 nominalTickLength = 1000L;
14252 nextTickLength = timeRemaining % nominalTickLength;
14253 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
14255 return nextTickLength;
14258 /* Adjust clock one minute up or down */
14260 AdjustClock(Boolean which, int dir)
14262 if(which) blackTimeRemaining += 60000*dir;
14263 else whiteTimeRemaining += 60000*dir;
14264 DisplayBothClocks();
14267 /* Stop clocks and reset to a fresh time control */
14271 (void) StopClockTimer();
14272 if (appData.icsActive) {
14273 whiteTimeRemaining = blackTimeRemaining = 0;
14274 } else if (searchTime) {
14275 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14276 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14277 } else { /* [HGM] correct new time quote for time odds */
14278 whiteTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->timeOdds;
14279 blackTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->other->timeOdds;
14281 if (whiteFlag || blackFlag) {
14283 whiteFlag = blackFlag = FALSE;
14285 DisplayBothClocks();
14288 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
14290 /* Decrement running clock by amount of time that has passed */
14294 long timeRemaining;
14295 long lastTickLength, fudge;
14298 if (!appData.clockMode) return;
14299 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
14303 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14305 /* Fudge if we woke up a little too soon */
14306 fudge = intendedTickLength - lastTickLength;
14307 if (fudge < 0 || fudge > FUDGE) fudge = 0;
14309 if (WhiteOnMove(forwardMostMove)) {
14310 if(whiteNPS >= 0) lastTickLength = 0;
14311 timeRemaining = whiteTimeRemaining -= lastTickLength;
14312 DisplayWhiteClock(whiteTimeRemaining - fudge,
14313 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14315 if(blackNPS >= 0) lastTickLength = 0;
14316 timeRemaining = blackTimeRemaining -= lastTickLength;
14317 DisplayBlackClock(blackTimeRemaining - fudge,
14318 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14321 if (CheckFlags()) return;
14324 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
14325 StartClockTimer(intendedTickLength);
14327 /* if the time remaining has fallen below the alarm threshold, sound the
14328 * alarm. if the alarm has sounded and (due to a takeback or time control
14329 * with increment) the time remaining has increased to a level above the
14330 * threshold, reset the alarm so it can sound again.
14333 if (appData.icsActive && appData.icsAlarm) {
14335 /* make sure we are dealing with the user's clock */
14336 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
14337 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
14340 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
14341 alarmSounded = FALSE;
14342 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
14344 alarmSounded = TRUE;
14350 /* A player has just moved, so stop the previously running
14351 clock and (if in clock mode) start the other one.
14352 We redisplay both clocks in case we're in ICS mode, because
14353 ICS gives us an update to both clocks after every move.
14354 Note that this routine is called *after* forwardMostMove
14355 is updated, so the last fractional tick must be subtracted
14356 from the color that is *not* on move now.
14359 SwitchClocks(int newMoveNr)
14361 long lastTickLength;
14363 int flagged = FALSE;
14367 if (StopClockTimer() && appData.clockMode) {
14368 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14369 if (!WhiteOnMove(forwardMostMove)) {
14370 if(blackNPS >= 0) lastTickLength = 0;
14371 blackTimeRemaining -= lastTickLength;
14372 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14373 // if(pvInfoList[forwardMostMove-1].time == -1)
14374 pvInfoList[forwardMostMove-1].time = // use GUI time
14375 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
14377 if(whiteNPS >= 0) lastTickLength = 0;
14378 whiteTimeRemaining -= lastTickLength;
14379 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14380 // if(pvInfoList[forwardMostMove-1].time == -1)
14381 pvInfoList[forwardMostMove-1].time =
14382 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
14384 flagged = CheckFlags();
14386 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
14387 CheckTimeControl();
14389 if (flagged || !appData.clockMode) return;
14391 switch (gameMode) {
14392 case MachinePlaysBlack:
14393 case MachinePlaysWhite:
14394 case BeginningOfGame:
14395 if (pausing) return;
14399 case PlayFromGameFile:
14407 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
14408 if(WhiteOnMove(forwardMostMove))
14409 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14410 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14414 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14415 whiteTimeRemaining : blackTimeRemaining);
14416 StartClockTimer(intendedTickLength);
14420 /* Stop both clocks */
14424 long lastTickLength;
14427 if (!StopClockTimer()) return;
14428 if (!appData.clockMode) return;
14432 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14433 if (WhiteOnMove(forwardMostMove)) {
14434 if(whiteNPS >= 0) lastTickLength = 0;
14435 whiteTimeRemaining -= lastTickLength;
14436 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
14438 if(blackNPS >= 0) lastTickLength = 0;
14439 blackTimeRemaining -= lastTickLength;
14440 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
14445 /* Start clock of player on move. Time may have been reset, so
14446 if clock is already running, stop and restart it. */
14450 (void) StopClockTimer(); /* in case it was running already */
14451 DisplayBothClocks();
14452 if (CheckFlags()) return;
14454 if (!appData.clockMode) return;
14455 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
14457 GetTimeMark(&tickStartTM);
14458 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14459 whiteTimeRemaining : blackTimeRemaining);
14461 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
14462 whiteNPS = blackNPS = -1;
14463 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
14464 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
14465 whiteNPS = first.nps;
14466 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
14467 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
14468 blackNPS = first.nps;
14469 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
14470 whiteNPS = second.nps;
14471 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
14472 blackNPS = second.nps;
14473 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
14475 StartClockTimer(intendedTickLength);
14482 long second, minute, hour, day;
14484 static char buf[32];
14486 if (ms > 0 && ms <= 9900) {
14487 /* convert milliseconds to tenths, rounding up */
14488 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
14490 sprintf(buf, " %03.1f ", tenths/10.0);
14494 /* convert milliseconds to seconds, rounding up */
14495 /* use floating point to avoid strangeness of integer division
14496 with negative dividends on many machines */
14497 second = (long) floor(((double) (ms + 999L)) / 1000.0);
14504 day = second / (60 * 60 * 24);
14505 second = second % (60 * 60 * 24);
14506 hour = second / (60 * 60);
14507 second = second % (60 * 60);
14508 minute = second / 60;
14509 second = second % 60;
14512 sprintf(buf, " %s%ld:%02ld:%02ld:%02ld ",
14513 sign, day, hour, minute, second);
14515 sprintf(buf, " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
14517 sprintf(buf, " %s%2ld:%02ld ", sign, minute, second);
14524 * This is necessary because some C libraries aren't ANSI C compliant yet.
14527 StrStr(string, match)
14528 char *string, *match;
14532 length = strlen(match);
14534 for (i = strlen(string) - length; i >= 0; i--, string++)
14535 if (!strncmp(match, string, length))
14542 StrCaseStr(string, match)
14543 char *string, *match;
14547 length = strlen(match);
14549 for (i = strlen(string) - length; i >= 0; i--, string++) {
14550 for (j = 0; j < length; j++) {
14551 if (ToLower(match[j]) != ToLower(string[j]))
14554 if (j == length) return string;
14568 c1 = ToLower(*s1++);
14569 c2 = ToLower(*s2++);
14570 if (c1 > c2) return 1;
14571 if (c1 < c2) return -1;
14572 if (c1 == NULLCHAR) return 0;
14581 return isupper(c) ? tolower(c) : c;
14589 return islower(c) ? toupper(c) : c;
14591 #endif /* !_amigados */
14599 if ((ret = (char *) malloc(strlen(s) + 1))) {
14606 StrSavePtr(s, savePtr)
14607 char *s, **savePtr;
14612 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
14613 strcpy(*savePtr, s);
14625 clock = time((time_t *)NULL);
14626 tm = localtime(&clock);
14627 sprintf(buf, "%04d.%02d.%02d",
14628 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
14629 return StrSave(buf);
14634 PositionToFEN(move, overrideCastling)
14636 char *overrideCastling;
14638 int i, j, fromX, fromY, toX, toY;
14645 whiteToPlay = (gameMode == EditPosition) ?
14646 !blackPlaysFirst : (move % 2 == 0);
14649 /* Piece placement data */
14650 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14652 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14653 if (boards[move][i][j] == EmptySquare) {
14655 } else { ChessSquare piece = boards[move][i][j];
14656 if (emptycount > 0) {
14657 if(emptycount<10) /* [HGM] can be >= 10 */
14658 *p++ = '0' + emptycount;
14659 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14662 if(PieceToChar(piece) == '+') {
14663 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
14665 piece = (ChessSquare)(DEMOTED piece);
14667 *p++ = PieceToChar(piece);
14669 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
14670 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
14675 if (emptycount > 0) {
14676 if(emptycount<10) /* [HGM] can be >= 10 */
14677 *p++ = '0' + emptycount;
14678 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14685 /* [HGM] print Crazyhouse or Shogi holdings */
14686 if( gameInfo.holdingsWidth ) {
14687 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
14689 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
14690 piece = boards[move][i][BOARD_WIDTH-1];
14691 if( piece != EmptySquare )
14692 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
14693 *p++ = PieceToChar(piece);
14695 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
14696 piece = boards[move][BOARD_HEIGHT-i-1][0];
14697 if( piece != EmptySquare )
14698 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
14699 *p++ = PieceToChar(piece);
14702 if( q == p ) *p++ = '-';
14708 *p++ = whiteToPlay ? 'w' : 'b';
14711 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
14712 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
14714 if(nrCastlingRights) {
14716 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
14717 /* [HGM] write directly from rights */
14718 if(boards[move][CASTLING][2] != NoRights &&
14719 boards[move][CASTLING][0] != NoRights )
14720 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
14721 if(boards[move][CASTLING][2] != NoRights &&
14722 boards[move][CASTLING][1] != NoRights )
14723 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
14724 if(boards[move][CASTLING][5] != NoRights &&
14725 boards[move][CASTLING][3] != NoRights )
14726 *p++ = boards[move][CASTLING][3] + AAA;
14727 if(boards[move][CASTLING][5] != NoRights &&
14728 boards[move][CASTLING][4] != NoRights )
14729 *p++ = boards[move][CASTLING][4] + AAA;
14732 /* [HGM] write true castling rights */
14733 if( nrCastlingRights == 6 ) {
14734 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
14735 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
14736 if(boards[move][CASTLING][1] == BOARD_LEFT &&
14737 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
14738 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
14739 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
14740 if(boards[move][CASTLING][4] == BOARD_LEFT &&
14741 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
14744 if (q == p) *p++ = '-'; /* No castling rights */
14748 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14749 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14750 /* En passant target square */
14751 if (move > backwardMostMove) {
14752 fromX = moveList[move - 1][0] - AAA;
14753 fromY = moveList[move - 1][1] - ONE;
14754 toX = moveList[move - 1][2] - AAA;
14755 toY = moveList[move - 1][3] - ONE;
14756 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
14757 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
14758 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
14760 /* 2-square pawn move just happened */
14762 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14766 } else if(move == backwardMostMove) {
14767 // [HGM] perhaps we should always do it like this, and forget the above?
14768 if((signed char)boards[move][EP_STATUS] >= 0) {
14769 *p++ = boards[move][EP_STATUS] + AAA;
14770 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14781 /* [HGM] find reversible plies */
14782 { int i = 0, j=move;
14784 if (appData.debugMode) { int k;
14785 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
14786 for(k=backwardMostMove; k<=forwardMostMove; k++)
14787 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
14791 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
14792 if( j == backwardMostMove ) i += initialRulePlies;
14793 sprintf(p, "%d ", i);
14794 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
14796 /* Fullmove number */
14797 sprintf(p, "%d", (move / 2) + 1);
14799 return StrSave(buf);
14803 ParseFEN(board, blackPlaysFirst, fen)
14805 int *blackPlaysFirst;
14815 /* [HGM] by default clear Crazyhouse holdings, if present */
14816 if(gameInfo.holdingsWidth) {
14817 for(i=0; i<BOARD_HEIGHT; i++) {
14818 board[i][0] = EmptySquare; /* black holdings */
14819 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
14820 board[i][1] = (ChessSquare) 0; /* black counts */
14821 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
14825 /* Piece placement data */
14826 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14829 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
14830 if (*p == '/') p++;
14831 emptycount = gameInfo.boardWidth - j;
14832 while (emptycount--)
14833 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14835 #if(BOARD_FILES >= 10)
14836 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
14837 p++; emptycount=10;
14838 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14839 while (emptycount--)
14840 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14842 } else if (isdigit(*p)) {
14843 emptycount = *p++ - '0';
14844 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
14845 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14846 while (emptycount--)
14847 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14848 } else if (*p == '+' || isalpha(*p)) {
14849 if (j >= gameInfo.boardWidth) return FALSE;
14851 piece = CharToPiece(*++p);
14852 if(piece == EmptySquare) return FALSE; /* unknown piece */
14853 piece = (ChessSquare) (PROMOTED piece ); p++;
14854 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
14855 } else piece = CharToPiece(*p++);
14857 if(piece==EmptySquare) return FALSE; /* unknown piece */
14858 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
14859 piece = (ChessSquare) (PROMOTED piece);
14860 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
14863 board[i][(j++)+gameInfo.holdingsWidth] = piece;
14869 while (*p == '/' || *p == ' ') p++;
14871 /* [HGM] look for Crazyhouse holdings here */
14872 while(*p==' ') p++;
14873 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
14875 if(*p == '-' ) *p++; /* empty holdings */ else {
14876 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
14877 /* if we would allow FEN reading to set board size, we would */
14878 /* have to add holdings and shift the board read so far here */
14879 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
14881 if((int) piece >= (int) BlackPawn ) {
14882 i = (int)piece - (int)BlackPawn;
14883 i = PieceToNumber((ChessSquare)i);
14884 if( i >= gameInfo.holdingsSize ) return FALSE;
14885 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
14886 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
14888 i = (int)piece - (int)WhitePawn;
14889 i = PieceToNumber((ChessSquare)i);
14890 if( i >= gameInfo.holdingsSize ) return FALSE;
14891 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
14892 board[i][BOARD_WIDTH-2]++; /* black holdings */
14896 if(*p == ']') *p++;
14899 while(*p == ' ') p++;
14903 if(appData.colorNickNames) {
14904 if( c == appData.colorNickNames[0] ) c = 'w'; else
14905 if( c == appData.colorNickNames[1] ) c = 'b';
14909 *blackPlaysFirst = FALSE;
14912 *blackPlaysFirst = TRUE;
14918 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
14919 /* return the extra info in global variiables */
14921 /* set defaults in case FEN is incomplete */
14922 board[EP_STATUS] = EP_UNKNOWN;
14923 for(i=0; i<nrCastlingRights; i++ ) {
14924 board[CASTLING][i] =
14925 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
14926 } /* assume possible unless obviously impossible */
14927 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
14928 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
14929 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
14930 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
14931 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
14932 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
14933 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
14934 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
14937 while(*p==' ') p++;
14938 if(nrCastlingRights) {
14939 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
14940 /* castling indicator present, so default becomes no castlings */
14941 for(i=0; i<nrCastlingRights; i++ ) {
14942 board[CASTLING][i] = NoRights;
14945 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
14946 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
14947 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
14948 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
14949 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
14951 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
14952 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
14953 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
14955 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
14956 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
14957 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
14958 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
14959 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
14960 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
14963 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
14964 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
14965 board[CASTLING][2] = whiteKingFile;
14968 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
14969 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
14970 board[CASTLING][2] = whiteKingFile;
14973 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
14974 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
14975 board[CASTLING][5] = blackKingFile;
14978 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
14979 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
14980 board[CASTLING][5] = blackKingFile;
14983 default: /* FRC castlings */
14984 if(c >= 'a') { /* black rights */
14985 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
14986 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
14987 if(i == BOARD_RGHT) break;
14988 board[CASTLING][5] = i;
14990 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
14991 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
14993 board[CASTLING][3] = c;
14995 board[CASTLING][4] = c;
14996 } else { /* white rights */
14997 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
14998 if(board[0][i] == WhiteKing) break;
14999 if(i == BOARD_RGHT) break;
15000 board[CASTLING][2] = i;
15001 c -= AAA - 'a' + 'A';
15002 if(board[0][c] >= WhiteKing) break;
15004 board[CASTLING][0] = c;
15006 board[CASTLING][1] = c;
15010 for(i=0; i<nrCastlingRights; i++)
15011 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
15012 if (appData.debugMode) {
15013 fprintf(debugFP, "FEN castling rights:");
15014 for(i=0; i<nrCastlingRights; i++)
15015 fprintf(debugFP, " %d", board[CASTLING][i]);
15016 fprintf(debugFP, "\n");
15019 while(*p==' ') p++;
15022 /* read e.p. field in games that know e.p. capture */
15023 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
15024 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
15026 p++; board[EP_STATUS] = EP_NONE;
15028 char c = *p++ - AAA;
15030 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
15031 if(*p >= '0' && *p <='9') *p++;
15032 board[EP_STATUS] = c;
15037 if(sscanf(p, "%d", &i) == 1) {
15038 FENrulePlies = i; /* 50-move ply counter */
15039 /* (The move number is still ignored) */
15046 EditPositionPasteFEN(char *fen)
15049 Board initial_position;
15051 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
15052 DisplayError(_("Bad FEN position in clipboard"), 0);
15055 int savedBlackPlaysFirst = blackPlaysFirst;
15056 EditPositionEvent();
15057 blackPlaysFirst = savedBlackPlaysFirst;
15058 CopyBoard(boards[0], initial_position);
15059 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
15060 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
15061 DisplayBothClocks();
15062 DrawPosition(FALSE, boards[currentMove]);
15067 static char cseq[12] = "\\ ";
15069 Boolean set_cont_sequence(char *new_seq)
15074 // handle bad attempts to set the sequence
15076 return 0; // acceptable error - no debug
15078 len = strlen(new_seq);
15079 ret = (len > 0) && (len < sizeof(cseq));
15081 strcpy(cseq, new_seq);
15082 else if (appData.debugMode)
15083 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
15088 reformat a source message so words don't cross the width boundary. internal
15089 newlines are not removed. returns the wrapped size (no null character unless
15090 included in source message). If dest is NULL, only calculate the size required
15091 for the dest buffer. lp argument indicats line position upon entry, and it's
15092 passed back upon exit.
15094 int wrap(char *dest, char *src, int count, int width, int *lp)
15096 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
15098 cseq_len = strlen(cseq);
15099 old_line = line = *lp;
15100 ansi = len = clen = 0;
15102 for (i=0; i < count; i++)
15104 if (src[i] == '\033')
15107 // if we hit the width, back up
15108 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
15110 // store i & len in case the word is too long
15111 old_i = i, old_len = len;
15113 // find the end of the last word
15114 while (i && src[i] != ' ' && src[i] != '\n')
15120 // word too long? restore i & len before splitting it
15121 if ((old_i-i+clen) >= width)
15128 if (i && src[i-1] == ' ')
15131 if (src[i] != ' ' && src[i] != '\n')
15138 // now append the newline and continuation sequence
15143 strncpy(dest+len, cseq, cseq_len);
15151 dest[len] = src[i];
15155 if (src[i] == '\n')
15160 if (dest && appData.debugMode)
15162 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
15163 count, width, line, len, *lp);
15164 show_bytes(debugFP, src, count);
15165 fprintf(debugFP, "\ndest: ");
15166 show_bytes(debugFP, dest, len);
15167 fprintf(debugFP, "\n");
15169 *lp = dest ? line : old_line;
15174 // [HGM] vari: routines for shelving variations
15177 PushTail(int firstMove, int lastMove)
15179 int i, j, nrMoves = lastMove - firstMove;
15181 if(appData.icsActive) { // only in local mode
15182 forwardMostMove = currentMove; // mimic old ICS behavior
15185 if(storedGames >= MAX_VARIATIONS-1) return;
15187 // push current tail of game on stack
15188 savedResult[storedGames] = gameInfo.result;
15189 savedDetails[storedGames] = gameInfo.resultDetails;
15190 gameInfo.resultDetails = NULL;
15191 savedFirst[storedGames] = firstMove;
15192 savedLast [storedGames] = lastMove;
15193 savedFramePtr[storedGames] = framePtr;
15194 framePtr -= nrMoves; // reserve space for the boards
15195 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
15196 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
15197 for(j=0; j<MOVE_LEN; j++)
15198 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
15199 for(j=0; j<2*MOVE_LEN; j++)
15200 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
15201 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
15202 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
15203 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
15204 pvInfoList[firstMove+i-1].depth = 0;
15205 commentList[framePtr+i] = commentList[firstMove+i];
15206 commentList[firstMove+i] = NULL;
15210 forwardMostMove = firstMove; // truncate game so we can start variation
15211 if(storedGames == 1) GreyRevert(FALSE);
15215 PopTail(Boolean annotate)
15218 char buf[8000], moveBuf[20];
15220 if(appData.icsActive) return FALSE; // only in local mode
15221 if(!storedGames) return FALSE; // sanity
15222 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
15225 ToNrEvent(savedFirst[storedGames]); // sets currentMove
15226 nrMoves = savedLast[storedGames] - currentMove;
15229 if(!WhiteOnMove(currentMove)) sprintf(buf, "(%d...", currentMove+2>>1);
15230 else strcpy(buf, "(");
15231 for(i=currentMove; i<forwardMostMove; i++) {
15233 sprintf(moveBuf, " %d. %s", i+2>>1, SavePart(parseList[i]));
15234 else sprintf(moveBuf, " %s", SavePart(parseList[i]));
15235 strcat(buf, moveBuf);
15236 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
15237 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
15241 for(i=1; i<=nrMoves; i++) { // copy last variation back
15242 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
15243 for(j=0; j<MOVE_LEN; j++)
15244 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
15245 for(j=0; j<2*MOVE_LEN; j++)
15246 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
15247 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
15248 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
15249 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
15250 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
15251 commentList[currentMove+i] = commentList[framePtr+i];
15252 commentList[framePtr+i] = NULL;
15254 if(annotate) AppendComment(currentMove+1, buf, FALSE);
15255 framePtr = savedFramePtr[storedGames];
15256 gameInfo.result = savedResult[storedGames];
15257 if(gameInfo.resultDetails != NULL) {
15258 free(gameInfo.resultDetails);
15260 gameInfo.resultDetails = savedDetails[storedGames];
15261 forwardMostMove = currentMove + nrMoves;
15262 if(storedGames == 0) GreyRevert(TRUE);
15268 { // remove all shelved variations
15270 for(i=0; i<storedGames; i++) {
15271 if(savedDetails[i])
15272 free(savedDetails[i]);
15273 savedDetails[i] = NULL;
15275 for(i=framePtr; i<MAX_MOVES; i++) {
15276 if(commentList[i]) free(commentList[i]);
15277 commentList[i] = NULL;
15279 framePtr = MAX_MOVES-1;
15284 LoadVariation(int index, char *text)
15285 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
15286 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
15287 int level = 0, move;
15289 if(gameMode != EditGame && gameMode != AnalyzeMode) return;
15290 // first find outermost bracketing variation
15291 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
15292 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
15293 if(*p == '{') wait = '}'; else
15294 if(*p == '[') wait = ']'; else
15295 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
15296 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
15298 if(*p == wait) wait = NULLCHAR; // closing ]} found
15301 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
15302 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
15303 end[1] = NULLCHAR; // clip off comment beyond variation
15304 ToNrEvent(currentMove-1);
15305 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
15306 // kludge: use ParsePV() to append variation to game
15307 move = currentMove;
15308 ParsePV(start, TRUE);
15309 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
15310 ClearPremoveHighlights();
15312 ToNrEvent(currentMove+1);