2 * backend.c -- Common back end for X and Windows NT versions of
4 * Copyright 1991 by Digital Equipment Corporation, Maynard,
7 * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
8 * 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
10 * Enhancements Copyright 2005 Alessandro Scotti
12 * The following terms apply to Digital Equipment Corporation's copyright
14 * ------------------------------------------------------------------------
17 * Permission to use, copy, modify, and distribute this software and its
18 * documentation for any purpose and without fee is hereby granted,
19 * provided that the above copyright notice appear in all copies and that
20 * both that copyright notice and this permission notice appear in
21 * supporting documentation, and that the name of Digital not be
22 * used in advertising or publicity pertaining to distribution of the
23 * software without specific, written prior permission.
25 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
26 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
27 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
28 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
29 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
30 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
32 * ------------------------------------------------------------------------
34 * The following terms apply to the enhanced version of XBoard
35 * distributed by the Free Software Foundation:
36 * ------------------------------------------------------------------------
38 * GNU XBoard is free software: you can redistribute it and/or modify
39 * it under the terms of the GNU General Public License as published by
40 * the Free Software Foundation, either version 3 of the License, or (at
41 * your option) any later version.
43 * GNU XBoard is distributed in the hope that it will be useful, but
44 * WITHOUT ANY WARRANTY; without even the implied warranty of
45 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
46 * General Public License for more details.
48 * You should have received a copy of the GNU General Public License
49 * along with this program. If not, see http://www.gnu.org/licenses/. *
51 *------------------------------------------------------------------------
52 ** See the file ChangeLog for a revision history. */
54 /* [AS] Also useful here for debugging */
58 #define DoSleep( n ) if( (n) != 0 ) Sleep( (n) );
62 #define DoSleep( n ) if( (n) >= 0) sleep(n)
72 #include <sys/types.h>
81 #else /* not STDC_HEADERS */
84 # else /* not HAVE_STRING_H */
86 # endif /* not HAVE_STRING_H */
87 #endif /* not STDC_HEADERS */
90 # include <sys/fcntl.h>
91 #else /* not HAVE_SYS_FCNTL_H */
94 # endif /* HAVE_FCNTL_H */
95 #endif /* not HAVE_SYS_FCNTL_H */
97 #if TIME_WITH_SYS_TIME
98 # include <sys/time.h>
102 # include <sys/time.h>
108 #if defined(_amigados) && !defined(__GNUC__)
113 extern int gettimeofday(struct timeval *, struct timezone *);
121 #include "frontend.h"
128 #include "backendz.h"
132 # define _(s) gettext (s)
133 # define N_(s) gettext_noop (s)
140 /* A point in time */
142 long sec; /* Assuming this is >= 32 bits */
143 int ms; /* Assuming this is >= 16 bits */
146 int establish P((void));
147 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
148 char *buf, int count, int error));
149 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
150 char *buf, int count, int error));
151 void ics_printf P((char *format, ...));
152 void SendToICS P((char *s));
153 void SendToICSDelayed P((char *s, long msdelay));
154 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY,
156 void HandleMachineMove P((char *message, ChessProgramState *cps));
157 int AutoPlayOneMove P((void));
158 int LoadGameOneMove P((ChessMove readAhead));
159 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
160 int LoadPositionFromFile P((char *filename, int n, char *title));
161 int SavePositionToFile P((char *filename));
162 void ApplyMove P((int fromX, int fromY, int toX, int toY, int promoChar,
164 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
165 void ShowMove P((int fromX, int fromY, int toX, int toY));
166 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
167 /*char*/int promoChar));
168 void BackwardInner P((int target));
169 void ForwardInner P((int target));
170 int Adjudicate P((ChessProgramState *cps));
171 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
172 void EditPositionDone P((Boolean fakeRights));
173 void PrintOpponents P((FILE *fp));
174 void PrintPosition P((FILE *fp, int move));
175 void StartChessProgram P((ChessProgramState *cps));
176 void SendToProgram P((char *message, ChessProgramState *cps));
177 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
178 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
179 char *buf, int count, int error));
180 void SendTimeControl P((ChessProgramState *cps,
181 int mps, long tc, int inc, int sd, int st));
182 char *TimeControlTagValue P((void));
183 void Attention P((ChessProgramState *cps));
184 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
185 void ResurrectChessProgram P((void));
186 void DisplayComment P((int moveNumber, char *text));
187 void DisplayMove P((int moveNumber));
189 void ParseGameHistory P((char *game));
190 void ParseBoard12 P((char *string));
191 void KeepAlive P((void));
192 void StartClocks P((void));
193 void SwitchClocks P((int nr));
194 void StopClocks P((void));
195 void ResetClocks P((void));
196 char *PGNDate P((void));
197 void SetGameInfo P((void));
198 Boolean ParseFEN P((Board board, int *blackPlaysFirst, char *fen));
199 int RegisterMove P((void));
200 void MakeRegisteredMove P((void));
201 void TruncateGame P((void));
202 int looking_at P((char *, int *, char *));
203 void CopyPlayerNameIntoFileName P((char **, char *));
204 char *SavePart P((char *));
205 int SaveGameOldStyle P((FILE *));
206 int SaveGamePGN P((FILE *));
207 void GetTimeMark P((TimeMark *));
208 long SubtractTimeMarks P((TimeMark *, TimeMark *));
209 int CheckFlags P((void));
210 long NextTickLength P((long));
211 void CheckTimeControl P((void));
212 void show_bytes P((FILE *, char *, int));
213 int string_to_rating P((char *str));
214 void ParseFeatures P((char* args, ChessProgramState *cps));
215 void InitBackEnd3 P((void));
216 void FeatureDone P((ChessProgramState* cps, int val));
217 void InitChessProgram P((ChessProgramState *cps, int setup));
218 void OutputKibitz(int window, char *text);
219 int PerpetualChase(int first, int last);
220 int EngineOutputIsUp();
221 void InitDrawingSizes(int x, int y);
224 extern void ConsoleCreate();
227 ChessProgramState *WhitePlayer();
228 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
229 int VerifyDisplayMode P(());
231 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
232 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
233 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
234 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
235 void ics_update_width P((int new_width));
236 extern char installDir[MSG_SIZ];
237 VariantClass startVariant; /* [HGM] nicks: initial variant */
239 extern int tinyLayout, smallLayout;
240 ChessProgramStats programStats;
241 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
243 static int exiting = 0; /* [HGM] moved to top */
244 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
245 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
246 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
247 int partnerHighlight[2];
248 Boolean partnerBoardValid = 0;
249 char partnerStatus[MSG_SIZ];
251 Boolean originalFlip;
252 Boolean twoBoards = 0;
253 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
254 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
255 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
256 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
257 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
258 int opponentKibitzes;
259 int lastSavedGame; /* [HGM] save: ID of game */
260 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
261 extern int chatCount;
263 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
265 /* States for ics_getting_history */
267 #define H_REQUESTED 1
268 #define H_GOT_REQ_HEADER 2
269 #define H_GOT_UNREQ_HEADER 3
270 #define H_GETTING_MOVES 4
271 #define H_GOT_UNWANTED_HEADER 5
273 /* whosays values for GameEnds */
282 /* Maximum number of games in a cmail message */
283 #define CMAIL_MAX_GAMES 20
285 /* Different types of move when calling RegisterMove */
287 #define CMAIL_RESIGN 1
289 #define CMAIL_ACCEPT 3
291 /* Different types of result to remember for each game */
292 #define CMAIL_NOT_RESULT 0
293 #define CMAIL_OLD_RESULT 1
294 #define CMAIL_NEW_RESULT 2
296 /* Telnet protocol constants */
307 static char * safeStrCpy( char * dst, const char * src, size_t count )
309 assert( dst != NULL );
310 assert( src != NULL );
313 strncpy( dst, src, count );
314 dst[ count-1 ] = '\0';
318 /* Some compiler can't cast u64 to double
319 * This function do the job for us:
321 * We use the highest bit for cast, this only
322 * works if the highest bit is not
323 * in use (This should not happen)
325 * We used this for all compiler
328 u64ToDouble(u64 value)
331 u64 tmp = value & u64Const(0x7fffffffffffffff);
332 r = (double)(s64)tmp;
333 if (value & u64Const(0x8000000000000000))
334 r += 9.2233720368547758080e18; /* 2^63 */
338 /* Fake up flags for now, as we aren't keeping track of castling
339 availability yet. [HGM] Change of logic: the flag now only
340 indicates the type of castlings allowed by the rule of the game.
341 The actual rights themselves are maintained in the array
342 castlingRights, as part of the game history, and are not probed
348 int flags = F_ALL_CASTLE_OK;
349 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
350 switch (gameInfo.variant) {
352 flags &= ~F_ALL_CASTLE_OK;
353 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
354 flags |= F_IGNORE_CHECK;
356 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
359 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
361 case VariantKriegspiel:
362 flags |= F_KRIEGSPIEL_CAPTURE;
364 case VariantCapaRandom:
365 case VariantFischeRandom:
366 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
367 case VariantNoCastle:
368 case VariantShatranj:
371 flags &= ~F_ALL_CASTLE_OK;
379 FILE *gameFileFP, *debugFP;
382 [AS] Note: sometimes, the sscanf() function is used to parse the input
383 into a fixed-size buffer. Because of this, we must be prepared to
384 receive strings as long as the size of the input buffer, which is currently
385 set to 4K for Windows and 8K for the rest.
386 So, we must either allocate sufficiently large buffers here, or
387 reduce the size of the input buffer in the input reading part.
390 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
391 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
392 char thinkOutput1[MSG_SIZ*10];
394 ChessProgramState first, second;
396 /* premove variables */
399 int premoveFromX = 0;
400 int premoveFromY = 0;
401 int premovePromoChar = 0;
403 Boolean alarmSounded;
404 /* end premove variables */
406 char *ics_prefix = "$";
407 int ics_type = ICS_GENERIC;
409 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
410 int pauseExamForwardMostMove = 0;
411 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
412 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
413 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
414 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
415 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
416 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
417 int whiteFlag = FALSE, blackFlag = FALSE;
418 int userOfferedDraw = FALSE;
419 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
420 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
421 int cmailMoveType[CMAIL_MAX_GAMES];
422 long ics_clock_paused = 0;
423 ProcRef icsPR = NoProc, cmailPR = NoProc;
424 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
425 GameMode gameMode = BeginningOfGame;
426 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
427 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
428 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
429 int hiddenThinkOutputState = 0; /* [AS] */
430 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
431 int adjudicateLossPlies = 6;
432 char white_holding[64], black_holding[64];
433 TimeMark lastNodeCountTime;
434 long lastNodeCount=0;
435 int have_sent_ICS_logon = 0;
437 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement;
438 long timeControl_2; /* [AS] Allow separate time controls */
439 char *fullTimeControlString = NULL; /* [HGM] secondary TC: merge of MPS, TC and inc */
440 long timeRemaining[2][MAX_MOVES];
442 TimeMark programStartTime;
443 char ics_handle[MSG_SIZ];
444 int have_set_title = 0;
446 /* animateTraining preserves the state of appData.animate
447 * when Training mode is activated. This allows the
448 * response to be animated when appData.animate == TRUE and
449 * appData.animateDragging == TRUE.
451 Boolean animateTraining;
457 Board boards[MAX_MOVES];
458 /* [HGM] Following 7 needed for accurate legality tests: */
459 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
460 signed char initialRights[BOARD_FILES];
461 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
462 int initialRulePlies, FENrulePlies;
463 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
466 int mute; // mute all sounds
468 // [HGM] vari: next 12 to save and restore variations
469 #define MAX_VARIATIONS 10
470 int framePtr = MAX_MOVES-1; // points to free stack entry
472 int savedFirst[MAX_VARIATIONS];
473 int savedLast[MAX_VARIATIONS];
474 int savedFramePtr[MAX_VARIATIONS];
475 char *savedDetails[MAX_VARIATIONS];
476 ChessMove savedResult[MAX_VARIATIONS];
478 void PushTail P((int firstMove, int lastMove));
479 Boolean PopTail P((Boolean annotate));
480 void CleanupTail P((void));
482 ChessSquare FIDEArray[2][BOARD_FILES] = {
483 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
484 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
485 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
486 BlackKing, BlackBishop, BlackKnight, BlackRook }
489 ChessSquare twoKingsArray[2][BOARD_FILES] = {
490 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
491 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
492 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
493 BlackKing, BlackKing, BlackKnight, BlackRook }
496 ChessSquare KnightmateArray[2][BOARD_FILES] = {
497 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
498 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
499 { BlackRook, BlackMan, BlackBishop, BlackQueen,
500 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
503 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
504 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
505 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
506 { BlackLance, BlackAlfil, BlackMarshall, BlackAngel,
507 BlackKing, BlackMarshall, BlackAlfil, BlackLance }
510 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
511 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
512 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
513 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
514 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
517 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
518 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
519 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
520 { BlackRook, BlackKnight, BlackMan, BlackFerz,
521 BlackKing, BlackMan, BlackKnight, BlackRook }
525 #if (BOARD_FILES>=10)
526 ChessSquare ShogiArray[2][BOARD_FILES] = {
527 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
528 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
529 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
530 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
533 ChessSquare XiangqiArray[2][BOARD_FILES] = {
534 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
535 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
536 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
537 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
540 ChessSquare CapablancaArray[2][BOARD_FILES] = {
541 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
542 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
543 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
544 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
547 ChessSquare GreatArray[2][BOARD_FILES] = {
548 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
549 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
550 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
551 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
554 ChessSquare JanusArray[2][BOARD_FILES] = {
555 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
556 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
557 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
558 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
562 ChessSquare GothicArray[2][BOARD_FILES] = {
563 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
564 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
565 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
566 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
569 #define GothicArray CapablancaArray
573 ChessSquare FalconArray[2][BOARD_FILES] = {
574 { WhiteRook, WhiteKnight, WhiteBishop, WhiteLance, WhiteQueen,
575 WhiteKing, WhiteLance, WhiteBishop, WhiteKnight, WhiteRook },
576 { BlackRook, BlackKnight, BlackBishop, BlackLance, BlackQueen,
577 BlackKing, BlackLance, BlackBishop, BlackKnight, BlackRook }
580 #define FalconArray CapablancaArray
583 #else // !(BOARD_FILES>=10)
584 #define XiangqiPosition FIDEArray
585 #define CapablancaArray FIDEArray
586 #define GothicArray FIDEArray
587 #define GreatArray FIDEArray
588 #endif // !(BOARD_FILES>=10)
590 #if (BOARD_FILES>=12)
591 ChessSquare CourierArray[2][BOARD_FILES] = {
592 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
593 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
594 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
595 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
597 #else // !(BOARD_FILES>=12)
598 #define CourierArray CapablancaArray
599 #endif // !(BOARD_FILES>=12)
602 Board initialPosition;
605 /* Convert str to a rating. Checks for special cases of "----",
607 "++++", etc. Also strips ()'s */
609 string_to_rating(str)
612 while(*str && !isdigit(*str)) ++str;
614 return 0; /* One of the special "no rating" cases */
622 /* Init programStats */
623 programStats.movelist[0] = 0;
624 programStats.depth = 0;
625 programStats.nr_moves = 0;
626 programStats.moves_left = 0;
627 programStats.nodes = 0;
628 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
629 programStats.score = 0;
630 programStats.got_only_move = 0;
631 programStats.got_fail = 0;
632 programStats.line_is_book = 0;
638 int matched, min, sec;
640 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
641 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
643 GetTimeMark(&programStartTime);
644 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
647 programStats.ok_to_send = 1;
648 programStats.seen_stat = 0;
651 * Initialize game list
657 * Internet chess server status
659 if (appData.icsActive) {
660 appData.matchMode = FALSE;
661 appData.matchGames = 0;
663 appData.noChessProgram = !appData.zippyPlay;
665 appData.zippyPlay = FALSE;
666 appData.zippyTalk = FALSE;
667 appData.noChessProgram = TRUE;
669 if (*appData.icsHelper != NULLCHAR) {
670 appData.useTelnet = TRUE;
671 appData.telnetProgram = appData.icsHelper;
674 appData.zippyTalk = appData.zippyPlay = FALSE;
677 /* [AS] Initialize pv info list [HGM] and game state */
681 for( i=0; i<=framePtr; i++ ) {
682 pvInfoList[i].depth = -1;
683 boards[i][EP_STATUS] = EP_NONE;
684 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
689 * Parse timeControl resource
691 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
692 appData.movesPerSession)) {
694 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
695 DisplayFatalError(buf, 0, 2);
699 * Parse searchTime resource
701 if (*appData.searchTime != NULLCHAR) {
702 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
704 searchTime = min * 60;
705 } else if (matched == 2) {
706 searchTime = min * 60 + sec;
709 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
710 DisplayFatalError(buf, 0, 2);
714 /* [AS] Adjudication threshold */
715 adjudicateLossThreshold = appData.adjudicateLossThreshold;
717 first.which = "first";
718 second.which = "second";
719 first.maybeThinking = second.maybeThinking = FALSE;
720 first.pr = second.pr = NoProc;
721 first.isr = second.isr = NULL;
722 first.sendTime = second.sendTime = 2;
723 first.sendDrawOffers = 1;
724 if (appData.firstPlaysBlack) {
725 first.twoMachinesColor = "black\n";
726 second.twoMachinesColor = "white\n";
728 first.twoMachinesColor = "white\n";
729 second.twoMachinesColor = "black\n";
731 first.program = appData.firstChessProgram;
732 second.program = appData.secondChessProgram;
733 first.host = appData.firstHost;
734 second.host = appData.secondHost;
735 first.dir = appData.firstDirectory;
736 second.dir = appData.secondDirectory;
737 first.other = &second;
738 second.other = &first;
739 first.initString = appData.initString;
740 second.initString = appData.secondInitString;
741 first.computerString = appData.firstComputerString;
742 second.computerString = appData.secondComputerString;
743 first.useSigint = second.useSigint = TRUE;
744 first.useSigterm = second.useSigterm = TRUE;
745 first.reuse = appData.reuseFirst;
746 second.reuse = appData.reuseSecond;
747 first.nps = appData.firstNPS; // [HGM] nps: copy nodes per second
748 second.nps = appData.secondNPS;
749 first.useSetboard = second.useSetboard = FALSE;
750 first.useSAN = second.useSAN = FALSE;
751 first.usePing = second.usePing = FALSE;
752 first.lastPing = second.lastPing = 0;
753 first.lastPong = second.lastPong = 0;
754 first.usePlayother = second.usePlayother = FALSE;
755 first.useColors = second.useColors = TRUE;
756 first.useUsermove = second.useUsermove = FALSE;
757 first.sendICS = second.sendICS = FALSE;
758 first.sendName = second.sendName = appData.icsActive;
759 first.sdKludge = second.sdKludge = FALSE;
760 first.stKludge = second.stKludge = FALSE;
761 TidyProgramName(first.program, first.host, first.tidy);
762 TidyProgramName(second.program, second.host, second.tidy);
763 first.matchWins = second.matchWins = 0;
764 strcpy(first.variants, appData.variant);
765 strcpy(second.variants, appData.variant);
766 first.analysisSupport = second.analysisSupport = 2; /* detect */
767 first.analyzing = second.analyzing = FALSE;
768 first.initDone = second.initDone = FALSE;
770 /* New features added by Tord: */
771 first.useFEN960 = FALSE; second.useFEN960 = FALSE;
772 first.useOOCastle = TRUE; second.useOOCastle = TRUE;
773 /* End of new features added by Tord. */
774 first.fenOverride = appData.fenOverride1;
775 second.fenOverride = appData.fenOverride2;
777 /* [HGM] time odds: set factor for each machine */
778 first.timeOdds = appData.firstTimeOdds;
779 second.timeOdds = appData.secondTimeOdds;
781 if(appData.timeOddsMode) {
782 norm = first.timeOdds;
783 if(norm > second.timeOdds) norm = second.timeOdds;
785 first.timeOdds /= norm;
786 second.timeOdds /= norm;
789 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
790 first.accumulateTC = appData.firstAccumulateTC;
791 second.accumulateTC = appData.secondAccumulateTC;
792 first.maxNrOfSessions = second.maxNrOfSessions = 1;
795 first.debug = second.debug = FALSE;
796 first.supportsNPS = second.supportsNPS = UNKNOWN;
799 first.optionSettings = appData.firstOptions;
800 second.optionSettings = appData.secondOptions;
802 first.scoreIsAbsolute = appData.firstScoreIsAbsolute; /* [AS] */
803 second.scoreIsAbsolute = appData.secondScoreIsAbsolute; /* [AS] */
804 first.isUCI = appData.firstIsUCI; /* [AS] */
805 second.isUCI = appData.secondIsUCI; /* [AS] */
806 first.hasOwnBookUCI = appData.firstHasOwnBookUCI; /* [AS] */
807 second.hasOwnBookUCI = appData.secondHasOwnBookUCI; /* [AS] */
809 if (appData.firstProtocolVersion > PROTOVER ||
810 appData.firstProtocolVersion < 1) {
812 sprintf(buf, _("protocol version %d not supported"),
813 appData.firstProtocolVersion);
814 DisplayFatalError(buf, 0, 2);
816 first.protocolVersion = appData.firstProtocolVersion;
819 if (appData.secondProtocolVersion > PROTOVER ||
820 appData.secondProtocolVersion < 1) {
822 sprintf(buf, _("protocol version %d not supported"),
823 appData.secondProtocolVersion);
824 DisplayFatalError(buf, 0, 2);
826 second.protocolVersion = appData.secondProtocolVersion;
829 if (appData.icsActive) {
830 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
831 // } else if (*appData.searchTime != NULLCHAR || appData.noChessProgram) {
832 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
833 appData.clockMode = FALSE;
834 first.sendTime = second.sendTime = 0;
838 /* Override some settings from environment variables, for backward
839 compatibility. Unfortunately it's not feasible to have the env
840 vars just set defaults, at least in xboard. Ugh.
842 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
847 if (appData.noChessProgram) {
848 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
849 sprintf(programVersion, "%s", PACKAGE_STRING);
851 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
852 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
853 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
856 if (!appData.icsActive) {
858 /* Check for variants that are supported only in ICS mode,
859 or not at all. Some that are accepted here nevertheless
860 have bugs; see comments below.
862 VariantClass variant = StringToVariant(appData.variant);
864 case VariantBughouse: /* need four players and two boards */
865 case VariantKriegspiel: /* need to hide pieces and move details */
866 /* case VariantFischeRandom: (Fabien: moved below) */
867 sprintf(buf, _("Variant %s supported only in ICS mode"), appData.variant);
868 DisplayFatalError(buf, 0, 2);
872 case VariantLoadable:
882 sprintf(buf, _("Unknown variant name %s"), appData.variant);
883 DisplayFatalError(buf, 0, 2);
886 case VariantXiangqi: /* [HGM] repetition rules not implemented */
887 case VariantFairy: /* [HGM] TestLegality definitely off! */
888 case VariantGothic: /* [HGM] should work */
889 case VariantCapablanca: /* [HGM] should work */
890 case VariantCourier: /* [HGM] initial forced moves not implemented */
891 case VariantShogi: /* [HGM] drops not tested for legality */
892 case VariantKnightmate: /* [HGM] should work */
893 case VariantCylinder: /* [HGM] untested */
894 case VariantFalcon: /* [HGM] untested */
895 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
896 offboard interposition not understood */
897 case VariantNormal: /* definitely works! */
898 case VariantWildCastle: /* pieces not automatically shuffled */
899 case VariantNoCastle: /* pieces not automatically shuffled */
900 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
901 case VariantLosers: /* should work except for win condition,
902 and doesn't know captures are mandatory */
903 case VariantSuicide: /* should work except for win condition,
904 and doesn't know captures are mandatory */
905 case VariantGiveaway: /* should work except for win condition,
906 and doesn't know captures are mandatory */
907 case VariantTwoKings: /* should work */
908 case VariantAtomic: /* should work except for win condition */
909 case Variant3Check: /* should work except for win condition */
910 case VariantShatranj: /* should work except for all win conditions */
911 case VariantMakruk: /* should work except for daw countdown */
912 case VariantBerolina: /* might work if TestLegality is off */
913 case VariantCapaRandom: /* should work */
914 case VariantJanus: /* should work */
915 case VariantSuper: /* experimental */
916 case VariantGreat: /* experimental, requires legality testing to be off */
921 InitEngineUCI( installDir, &first ); // [HGM] moved here from winboard.c, to make available in xboard
922 InitEngineUCI( installDir, &second );
925 int NextIntegerFromString( char ** str, long * value )
930 while( *s == ' ' || *s == '\t' ) {
936 if( *s >= '0' && *s <= '9' ) {
937 while( *s >= '0' && *s <= '9' ) {
938 *value = *value * 10 + (*s - '0');
950 int NextTimeControlFromString( char ** str, long * value )
953 int result = NextIntegerFromString( str, &temp );
956 *value = temp * 60; /* Minutes */
959 result = NextIntegerFromString( str, &temp );
960 *value += temp; /* Seconds */
967 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc)
968 { /* [HGM] routine added to read '+moves/time' for secondary time control */
969 int result = -1; long temp, temp2;
971 if(**str != '+') return -1; // old params remain in force!
973 if( NextTimeControlFromString( str, &temp ) ) return -1;
976 /* time only: incremental or sudden-death time control */
977 if(**str == '+') { /* increment follows; read it */
979 if(result = NextIntegerFromString( str, &temp2)) return -1;
982 *moves = 0; *tc = temp * 1000;
984 } else if(temp % 60 != 0) return -1; /* moves was given as min:sec */
986 (*str)++; /* classical time control */
987 result = NextTimeControlFromString( str, &temp2);
996 int GetTimeQuota(int movenr)
997 { /* [HGM] get time to add from the multi-session time-control string */
998 int moves=1; /* kludge to force reading of first session */
999 long time, increment;
1000 char *s = fullTimeControlString;
1002 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", fullTimeControlString);
1004 if(moves) NextSessionFromString(&s, &moves, &time, &increment);
1005 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
1006 if(movenr == -1) return time; /* last move before new session */
1007 if(!moves) return increment; /* current session is incremental */
1008 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1009 } while(movenr >= -1); /* try again for next session */
1011 return 0; // no new time quota on this move
1015 ParseTimeControl(tc, ti, mps)
1024 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1027 sprintf(buf, "+%d/%s+%d", mps, tc, ti);
1028 else sprintf(buf, "+%s+%d", tc, ti);
1031 sprintf(buf, "+%d/%s", mps, tc);
1032 else sprintf(buf, "+%s", tc);
1034 fullTimeControlString = StrSave(buf);
1036 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1041 /* Parse second time control */
1044 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1052 timeControl_2 = tc2 * 1000;
1062 timeControl = tc1 * 1000;
1065 timeIncrement = ti * 1000; /* convert to ms */
1066 movesPerSession = 0;
1069 movesPerSession = mps;
1077 if (appData.debugMode) {
1078 fprintf(debugFP, "%s\n", programVersion);
1081 set_cont_sequence(appData.wrapContSeq);
1082 if (appData.matchGames > 0) {
1083 appData.matchMode = TRUE;
1084 } else if (appData.matchMode) {
1085 appData.matchGames = 1;
1087 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1088 appData.matchGames = appData.sameColorGames;
1089 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1090 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1091 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1094 if (appData.noChessProgram || first.protocolVersion == 1) {
1097 /* kludge: allow timeout for initial "feature" commands */
1099 DisplayMessage("", _("Starting chess program"));
1100 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1105 InitBackEnd3 P((void))
1107 GameMode initialMode;
1111 InitChessProgram(&first, startedFromSetupPosition);
1113 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1114 free(programVersion);
1115 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1116 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1119 if (appData.icsActive) {
1121 /* [DM] Make a console window if needed [HGM] merged ifs */
1126 if (*appData.icsCommPort != NULLCHAR) {
1127 sprintf(buf, _("Could not open comm port %s"),
1128 appData.icsCommPort);
1130 snprintf(buf, sizeof(buf), _("Could not connect to host %s, port %s"),
1131 appData.icsHost, appData.icsPort);
1133 DisplayFatalError(buf, err, 1);
1138 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1140 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1141 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1142 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1143 } else if (appData.noChessProgram) {
1149 if (*appData.cmailGameName != NULLCHAR) {
1151 OpenLoopback(&cmailPR);
1153 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1157 DisplayMessage("", "");
1158 if (StrCaseCmp(appData.initialMode, "") == 0) {
1159 initialMode = BeginningOfGame;
1160 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1161 initialMode = TwoMachinesPlay;
1162 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1163 initialMode = AnalyzeFile;
1164 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1165 initialMode = AnalyzeMode;
1166 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1167 initialMode = MachinePlaysWhite;
1168 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1169 initialMode = MachinePlaysBlack;
1170 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1171 initialMode = EditGame;
1172 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1173 initialMode = EditPosition;
1174 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1175 initialMode = Training;
1177 sprintf(buf, _("Unknown initialMode %s"), appData.initialMode);
1178 DisplayFatalError(buf, 0, 2);
1182 if (appData.matchMode) {
1183 /* Set up machine vs. machine match */
1184 if (appData.noChessProgram) {
1185 DisplayFatalError(_("Can't have a match with no chess programs"),
1191 if (*appData.loadGameFile != NULLCHAR) {
1192 int index = appData.loadGameIndex; // [HGM] autoinc
1193 if(index<0) lastIndex = index = 1;
1194 if (!LoadGameFromFile(appData.loadGameFile,
1196 appData.loadGameFile, FALSE)) {
1197 DisplayFatalError(_("Bad game file"), 0, 1);
1200 } else if (*appData.loadPositionFile != NULLCHAR) {
1201 int index = appData.loadPositionIndex; // [HGM] autoinc
1202 if(index<0) lastIndex = index = 1;
1203 if (!LoadPositionFromFile(appData.loadPositionFile,
1205 appData.loadPositionFile)) {
1206 DisplayFatalError(_("Bad position file"), 0, 1);
1211 } else if (*appData.cmailGameName != NULLCHAR) {
1212 /* Set up cmail mode */
1213 ReloadCmailMsgEvent(TRUE);
1215 /* Set up other modes */
1216 if (initialMode == AnalyzeFile) {
1217 if (*appData.loadGameFile == NULLCHAR) {
1218 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1222 if (*appData.loadGameFile != NULLCHAR) {
1223 (void) LoadGameFromFile(appData.loadGameFile,
1224 appData.loadGameIndex,
1225 appData.loadGameFile, TRUE);
1226 } else if (*appData.loadPositionFile != NULLCHAR) {
1227 (void) LoadPositionFromFile(appData.loadPositionFile,
1228 appData.loadPositionIndex,
1229 appData.loadPositionFile);
1230 /* [HGM] try to make self-starting even after FEN load */
1231 /* to allow automatic setup of fairy variants with wtm */
1232 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1233 gameMode = BeginningOfGame;
1234 setboardSpoiledMachineBlack = 1;
1236 /* [HGM] loadPos: make that every new game uses the setup */
1237 /* from file as long as we do not switch variant */
1238 if(!blackPlaysFirst) {
1239 startedFromPositionFile = TRUE;
1240 CopyBoard(filePosition, boards[0]);
1243 if (initialMode == AnalyzeMode) {
1244 if (appData.noChessProgram) {
1245 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1248 if (appData.icsActive) {
1249 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1253 } else if (initialMode == AnalyzeFile) {
1254 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1255 ShowThinkingEvent();
1257 AnalysisPeriodicEvent(1);
1258 } else if (initialMode == MachinePlaysWhite) {
1259 if (appData.noChessProgram) {
1260 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1264 if (appData.icsActive) {
1265 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1269 MachineWhiteEvent();
1270 } else if (initialMode == MachinePlaysBlack) {
1271 if (appData.noChessProgram) {
1272 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1276 if (appData.icsActive) {
1277 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1281 MachineBlackEvent();
1282 } else if (initialMode == TwoMachinesPlay) {
1283 if (appData.noChessProgram) {
1284 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1288 if (appData.icsActive) {
1289 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1294 } else if (initialMode == EditGame) {
1296 } else if (initialMode == EditPosition) {
1297 EditPositionEvent();
1298 } else if (initialMode == Training) {
1299 if (*appData.loadGameFile == NULLCHAR) {
1300 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1309 * Establish will establish a contact to a remote host.port.
1310 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1311 * used to talk to the host.
1312 * Returns 0 if okay, error code if not.
1319 if (*appData.icsCommPort != NULLCHAR) {
1320 /* Talk to the host through a serial comm port */
1321 return OpenCommPort(appData.icsCommPort, &icsPR);
1323 } else if (*appData.gateway != NULLCHAR) {
1324 if (*appData.remoteShell == NULLCHAR) {
1325 /* Use the rcmd protocol to run telnet program on a gateway host */
1326 snprintf(buf, sizeof(buf), "%s %s %s",
1327 appData.telnetProgram, appData.icsHost, appData.icsPort);
1328 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1331 /* Use the rsh program to run telnet program on a gateway host */
1332 if (*appData.remoteUser == NULLCHAR) {
1333 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1334 appData.gateway, appData.telnetProgram,
1335 appData.icsHost, appData.icsPort);
1337 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1338 appData.remoteShell, appData.gateway,
1339 appData.remoteUser, appData.telnetProgram,
1340 appData.icsHost, appData.icsPort);
1342 return StartChildProcess(buf, "", &icsPR);
1345 } else if (appData.useTelnet) {
1346 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1349 /* TCP socket interface differs somewhat between
1350 Unix and NT; handle details in the front end.
1352 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1356 void EscapeExpand(char *p, char *q)
1357 { // [HGM] initstring: routine to shape up string arguments
1358 while(*p++ = *q++) if(p[-1] == '\\')
1360 case 'n': p[-1] = '\n'; break;
1361 case 'r': p[-1] = '\r'; break;
1362 case 't': p[-1] = '\t'; break;
1363 case '\\': p[-1] = '\\'; break;
1364 case 0: *p = 0; return;
1365 default: p[-1] = q[-1]; break;
1370 show_bytes(fp, buf, count)
1376 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1377 fprintf(fp, "\\%03o", *buf & 0xff);
1386 /* Returns an errno value */
1388 OutputMaybeTelnet(pr, message, count, outError)
1394 char buf[8192], *p, *q, *buflim;
1395 int left, newcount, outcount;
1397 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1398 *appData.gateway != NULLCHAR) {
1399 if (appData.debugMode) {
1400 fprintf(debugFP, ">ICS: ");
1401 show_bytes(debugFP, message, count);
1402 fprintf(debugFP, "\n");
1404 return OutputToProcess(pr, message, count, outError);
1407 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1414 if (appData.debugMode) {
1415 fprintf(debugFP, ">ICS: ");
1416 show_bytes(debugFP, buf, newcount);
1417 fprintf(debugFP, "\n");
1419 outcount = OutputToProcess(pr, buf, newcount, outError);
1420 if (outcount < newcount) return -1; /* to be sure */
1427 } else if (((unsigned char) *p) == TN_IAC) {
1428 *q++ = (char) TN_IAC;
1435 if (appData.debugMode) {
1436 fprintf(debugFP, ">ICS: ");
1437 show_bytes(debugFP, buf, newcount);
1438 fprintf(debugFP, "\n");
1440 outcount = OutputToProcess(pr, buf, newcount, outError);
1441 if (outcount < newcount) return -1; /* to be sure */
1446 read_from_player(isr, closure, message, count, error)
1453 int outError, outCount;
1454 static int gotEof = 0;
1456 /* Pass data read from player on to ICS */
1459 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1460 if (outCount < count) {
1461 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1463 } else if (count < 0) {
1464 RemoveInputSource(isr);
1465 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1466 } else if (gotEof++ > 0) {
1467 RemoveInputSource(isr);
1468 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1474 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1475 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1476 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1477 SendToICS("date\n");
1478 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1481 /* added routine for printf style output to ics */
1482 void ics_printf(char *format, ...)
1484 char buffer[MSG_SIZ];
1487 va_start(args, format);
1488 vsnprintf(buffer, sizeof(buffer), format, args);
1489 buffer[sizeof(buffer)-1] = '\0';
1498 int count, outCount, outError;
1500 if (icsPR == NULL) return;
1503 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1504 if (outCount < count) {
1505 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1509 /* This is used for sending logon scripts to the ICS. Sending
1510 without a delay causes problems when using timestamp on ICC
1511 (at least on my machine). */
1513 SendToICSDelayed(s,msdelay)
1517 int count, outCount, outError;
1519 if (icsPR == NULL) return;
1522 if (appData.debugMode) {
1523 fprintf(debugFP, ">ICS: ");
1524 show_bytes(debugFP, s, count);
1525 fprintf(debugFP, "\n");
1527 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1529 if (outCount < count) {
1530 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1535 /* Remove all highlighting escape sequences in s
1536 Also deletes any suffix starting with '('
1539 StripHighlightAndTitle(s)
1542 static char retbuf[MSG_SIZ];
1545 while (*s != NULLCHAR) {
1546 while (*s == '\033') {
1547 while (*s != NULLCHAR && !isalpha(*s)) s++;
1548 if (*s != NULLCHAR) s++;
1550 while (*s != NULLCHAR && *s != '\033') {
1551 if (*s == '(' || *s == '[') {
1562 /* Remove all highlighting escape sequences in s */
1567 static char retbuf[MSG_SIZ];
1570 while (*s != NULLCHAR) {
1571 while (*s == '\033') {
1572 while (*s != NULLCHAR && !isalpha(*s)) s++;
1573 if (*s != NULLCHAR) s++;
1575 while (*s != NULLCHAR && *s != '\033') {
1583 char *variantNames[] = VARIANT_NAMES;
1588 return variantNames[v];
1592 /* Identify a variant from the strings the chess servers use or the
1593 PGN Variant tag names we use. */
1600 VariantClass v = VariantNormal;
1601 int i, found = FALSE;
1606 /* [HGM] skip over optional board-size prefixes */
1607 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1608 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1609 while( *e++ != '_');
1612 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1616 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1617 if (StrCaseStr(e, variantNames[i])) {
1618 v = (VariantClass) i;
1625 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1626 || StrCaseStr(e, "wild/fr")
1627 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1628 v = VariantFischeRandom;
1629 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1630 (i = 1, p = StrCaseStr(e, "w"))) {
1632 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
1639 case 0: /* FICS only, actually */
1641 /* Castling legal even if K starts on d-file */
1642 v = VariantWildCastle;
1647 /* Castling illegal even if K & R happen to start in
1648 normal positions. */
1649 v = VariantNoCastle;
1662 /* Castling legal iff K & R start in normal positions */
1668 /* Special wilds for position setup; unclear what to do here */
1669 v = VariantLoadable;
1672 /* Bizarre ICC game */
1673 v = VariantTwoKings;
1676 v = VariantKriegspiel;
1682 v = VariantFischeRandom;
1685 v = VariantCrazyhouse;
1688 v = VariantBughouse;
1694 /* Not quite the same as FICS suicide! */
1695 v = VariantGiveaway;
1701 v = VariantShatranj;
1704 /* Temporary names for future ICC types. The name *will* change in
1705 the next xboard/WinBoard release after ICC defines it. */
1743 v = VariantCapablanca;
1746 v = VariantKnightmate;
1752 v = VariantCylinder;
1758 v = VariantCapaRandom;
1761 v = VariantBerolina;
1773 /* Found "wild" or "w" in the string but no number;
1774 must assume it's normal chess. */
1778 sprintf(buf, _("Unknown wild type %d"), wnum);
1779 DisplayError(buf, 0);
1785 if (appData.debugMode) {
1786 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
1787 e, wnum, VariantName(v));
1792 static int leftover_start = 0, leftover_len = 0;
1793 char star_match[STAR_MATCH_N][MSG_SIZ];
1795 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
1796 advance *index beyond it, and set leftover_start to the new value of
1797 *index; else return FALSE. If pattern contains the character '*', it
1798 matches any sequence of characters not containing '\r', '\n', or the
1799 character following the '*' (if any), and the matched sequence(s) are
1800 copied into star_match.
1803 looking_at(buf, index, pattern)
1808 char *bufp = &buf[*index], *patternp = pattern;
1810 char *matchp = star_match[0];
1813 if (*patternp == NULLCHAR) {
1814 *index = leftover_start = bufp - buf;
1818 if (*bufp == NULLCHAR) return FALSE;
1819 if (*patternp == '*') {
1820 if (*bufp == *(patternp + 1)) {
1822 matchp = star_match[++star_count];
1826 } else if (*bufp == '\n' || *bufp == '\r') {
1828 if (*patternp == NULLCHAR)
1833 *matchp++ = *bufp++;
1837 if (*patternp != *bufp) return FALSE;
1844 SendToPlayer(data, length)
1848 int error, outCount;
1849 outCount = OutputToProcess(NoProc, data, length, &error);
1850 if (outCount < length) {
1851 DisplayFatalError(_("Error writing to display"), error, 1);
1856 PackHolding(packed, holding)
1868 switch (runlength) {
1879 sprintf(q, "%d", runlength);
1891 /* Telnet protocol requests from the front end */
1893 TelnetRequest(ddww, option)
1894 unsigned char ddww, option;
1896 unsigned char msg[3];
1897 int outCount, outError;
1899 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
1901 if (appData.debugMode) {
1902 char buf1[8], buf2[8], *ddwwStr, *optionStr;
1918 sprintf(buf1, "%d", ddww);
1927 sprintf(buf2, "%d", option);
1930 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
1935 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
1937 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1944 if (!appData.icsActive) return;
1945 TelnetRequest(TN_DO, TN_ECHO);
1951 if (!appData.icsActive) return;
1952 TelnetRequest(TN_DONT, TN_ECHO);
1956 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
1958 /* put the holdings sent to us by the server on the board holdings area */
1959 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
1963 if(gameInfo.holdingsWidth < 2) return;
1964 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
1965 return; // prevent overwriting by pre-board holdings
1967 if( (int)lowestPiece >= BlackPawn ) {
1970 holdingsStartRow = BOARD_HEIGHT-1;
1973 holdingsColumn = BOARD_WIDTH-1;
1974 countsColumn = BOARD_WIDTH-2;
1975 holdingsStartRow = 0;
1979 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
1980 board[i][holdingsColumn] = EmptySquare;
1981 board[i][countsColumn] = (ChessSquare) 0;
1983 while( (p=*holdings++) != NULLCHAR ) {
1984 piece = CharToPiece( ToUpper(p) );
1985 if(piece == EmptySquare) continue;
1986 /*j = (int) piece - (int) WhitePawn;*/
1987 j = PieceToNumber(piece);
1988 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
1989 if(j < 0) continue; /* should not happen */
1990 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
1991 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
1992 board[holdingsStartRow+j*direction][countsColumn]++;
1998 VariantSwitch(Board board, VariantClass newVariant)
2000 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2001 static Board oldBoard;
2003 startedFromPositionFile = FALSE;
2004 if(gameInfo.variant == newVariant) return;
2006 /* [HGM] This routine is called each time an assignment is made to
2007 * gameInfo.variant during a game, to make sure the board sizes
2008 * are set to match the new variant. If that means adding or deleting
2009 * holdings, we shift the playing board accordingly
2010 * This kludge is needed because in ICS observe mode, we get boards
2011 * of an ongoing game without knowing the variant, and learn about the
2012 * latter only later. This can be because of the move list we requested,
2013 * in which case the game history is refilled from the beginning anyway,
2014 * but also when receiving holdings of a crazyhouse game. In the latter
2015 * case we want to add those holdings to the already received position.
2019 if (appData.debugMode) {
2020 fprintf(debugFP, "Switch board from %s to %s\n",
2021 VariantName(gameInfo.variant), VariantName(newVariant));
2022 setbuf(debugFP, NULL);
2024 shuffleOpenings = 0; /* [HGM] shuffle */
2025 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2029 newWidth = 9; newHeight = 9;
2030 gameInfo.holdingsSize = 7;
2031 case VariantBughouse:
2032 case VariantCrazyhouse:
2033 newHoldingsWidth = 2; break;
2037 newHoldingsWidth = 2;
2038 gameInfo.holdingsSize = 8;
2041 case VariantCapablanca:
2042 case VariantCapaRandom:
2045 newHoldingsWidth = gameInfo.holdingsSize = 0;
2048 if(newWidth != gameInfo.boardWidth ||
2049 newHeight != gameInfo.boardHeight ||
2050 newHoldingsWidth != gameInfo.holdingsWidth ) {
2052 /* shift position to new playing area, if needed */
2053 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2054 for(i=0; i<BOARD_HEIGHT; i++)
2055 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2056 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2058 for(i=0; i<newHeight; i++) {
2059 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2060 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2062 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2063 for(i=0; i<BOARD_HEIGHT; i++)
2064 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2065 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2068 gameInfo.boardWidth = newWidth;
2069 gameInfo.boardHeight = newHeight;
2070 gameInfo.holdingsWidth = newHoldingsWidth;
2071 gameInfo.variant = newVariant;
2072 InitDrawingSizes(-2, 0);
2073 } else gameInfo.variant = newVariant;
2074 CopyBoard(oldBoard, board); // remember correctly formatted board
2075 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2076 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2079 static int loggedOn = FALSE;
2081 /*-- Game start info cache: --*/
2083 char gs_kind[MSG_SIZ];
2084 static char player1Name[128] = "";
2085 static char player2Name[128] = "";
2086 static char cont_seq[] = "\n\\ ";
2087 static int player1Rating = -1;
2088 static int player2Rating = -1;
2089 /*----------------------------*/
2091 ColorClass curColor = ColorNormal;
2092 int suppressKibitz = 0;
2095 Boolean soughtPending = FALSE;
2096 Boolean seekGraphUp;
2097 #define MAX_SEEK_ADS 200
2099 char *seekAdList[MAX_SEEK_ADS];
2100 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2101 float tcList[MAX_SEEK_ADS];
2102 char colorList[MAX_SEEK_ADS];
2103 int nrOfSeekAds = 0;
2104 int minRating = 1010, maxRating = 2800;
2105 int hMargin = 10, vMargin = 20, h, w;
2106 extern int squareSize, lineGap;
2111 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2112 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2113 if(r < minRating+100 && r >=0 ) r = minRating+100;
2114 if(r > maxRating) r = maxRating;
2115 if(tc < 1.) tc = 1.;
2116 if(tc > 95.) tc = 95.;
2117 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2118 y = ((double)r - minRating)/(maxRating - minRating)
2119 * (h-vMargin-squareSize/8-1) + vMargin;
2120 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2121 if(strstr(seekAdList[i], " u ")) color = 1;
2122 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2123 !strstr(seekAdList[i], "bullet") &&
2124 !strstr(seekAdList[i], "blitz") &&
2125 !strstr(seekAdList[i], "standard") ) color = 2;
2126 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2127 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2131 AddAd(char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2133 char buf[MSG_SIZ], *ext = "";
2134 VariantClass v = StringToVariant(type);
2135 if(strstr(type, "wild")) {
2136 ext = type + 4; // append wild number
2137 if(v == VariantFischeRandom) type = "chess960"; else
2138 if(v == VariantLoadable) type = "setup"; else
2139 type = VariantName(v);
2141 sprintf(buf, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2142 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2143 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2144 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2145 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2146 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2147 seekNrList[nrOfSeekAds] = nr;
2148 zList[nrOfSeekAds] = 0;
2149 seekAdList[nrOfSeekAds++] = StrSave(buf);
2150 if(plot) PlotSeekAd(nrOfSeekAds-1);
2157 int x = xList[i], y = yList[i], d=squareSize/4, k;
2158 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2159 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2160 // now replot every dot that overlapped
2161 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2162 int xx = xList[k], yy = yList[k];
2163 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2164 DrawSeekDot(xx, yy, colorList[k]);
2169 RemoveSeekAd(int nr)
2172 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2174 if(seekAdList[i]) free(seekAdList[i]);
2175 seekAdList[i] = seekAdList[--nrOfSeekAds];
2176 seekNrList[i] = seekNrList[nrOfSeekAds];
2177 ratingList[i] = ratingList[nrOfSeekAds];
2178 colorList[i] = colorList[nrOfSeekAds];
2179 tcList[i] = tcList[nrOfSeekAds];
2180 xList[i] = xList[nrOfSeekAds];
2181 yList[i] = yList[nrOfSeekAds];
2182 zList[i] = zList[nrOfSeekAds];
2183 seekAdList[nrOfSeekAds] = NULL;
2189 MatchSoughtLine(char *line)
2191 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2192 int nr, base, inc, u=0; char dummy;
2194 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2195 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2197 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2198 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2199 // match: compact and save the line
2200 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2210 if(!seekGraphUp) return FALSE;
2211 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2212 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2214 DrawSeekBackground(0, 0, w, h);
2215 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2216 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2217 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2218 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2220 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2223 sprintf(buf, "%d", i);
2224 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2227 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2228 for(i=1; i<100; i+=(i<10?1:5)) {
2229 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2230 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2231 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2233 sprintf(buf, "%d", i);
2234 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2237 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2241 int SeekGraphClick(ClickType click, int x, int y, int moving)
2243 static int lastDown = 0, displayed = 0, lastSecond;
2244 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2245 if(click == Release || moving) return FALSE;
2247 soughtPending = TRUE;
2248 SendToICS(ics_prefix);
2249 SendToICS("sought\n"); // should this be "sought all"?
2250 } else { // issue challenge based on clicked ad
2251 int dist = 10000; int i, closest = 0, second = 0;
2252 for(i=0; i<nrOfSeekAds; i++) {
2253 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2254 if(d < dist) { dist = d; closest = i; }
2255 second += (d - zList[i] < 120); // count in-range ads
2256 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2260 second = (second > 1);
2261 if(displayed != closest || second != lastSecond) {
2262 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2263 lastSecond = second; displayed = closest;
2265 if(click == Press) {
2266 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2269 } // on press 'hit', only show info
2270 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2271 sprintf(buf, "play %d\n", seekNrList[closest]);
2272 SendToICS(ics_prefix);
2274 return TRUE; // let incoming board of started game pop down the graph
2275 } else if(click == Release) { // release 'miss' is ignored
2276 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2277 if(moving == 2) { // right up-click
2278 nrOfSeekAds = 0; // refresh graph
2279 soughtPending = TRUE;
2280 SendToICS(ics_prefix);
2281 SendToICS("sought\n"); // should this be "sought all"?
2284 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2285 // press miss or release hit 'pop down' seek graph
2286 seekGraphUp = FALSE;
2287 DrawPosition(TRUE, NULL);
2293 read_from_ics(isr, closure, data, count, error)
2300 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2301 #define STARTED_NONE 0
2302 #define STARTED_MOVES 1
2303 #define STARTED_BOARD 2
2304 #define STARTED_OBSERVE 3
2305 #define STARTED_HOLDINGS 4
2306 #define STARTED_CHATTER 5
2307 #define STARTED_COMMENT 6
2308 #define STARTED_MOVES_NOHIDE 7
2310 static int started = STARTED_NONE;
2311 static char parse[20000];
2312 static int parse_pos = 0;
2313 static char buf[BUF_SIZE + 1];
2314 static int firstTime = TRUE, intfSet = FALSE;
2315 static ColorClass prevColor = ColorNormal;
2316 static int savingComment = FALSE;
2317 static int cmatch = 0; // continuation sequence match
2324 int backup; /* [DM] For zippy color lines */
2326 char talker[MSG_SIZ]; // [HGM] chat
2329 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2331 if (appData.debugMode) {
2333 fprintf(debugFP, "<ICS: ");
2334 show_bytes(debugFP, data, count);
2335 fprintf(debugFP, "\n");
2339 if (appData.debugMode) { int f = forwardMostMove;
2340 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2341 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2342 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2345 /* If last read ended with a partial line that we couldn't parse,
2346 prepend it to the new read and try again. */
2347 if (leftover_len > 0) {
2348 for (i=0; i<leftover_len; i++)
2349 buf[i] = buf[leftover_start + i];
2352 /* copy new characters into the buffer */
2353 bp = buf + leftover_len;
2354 buf_len=leftover_len;
2355 for (i=0; i<count; i++)
2358 if (data[i] == '\r')
2361 // join lines split by ICS?
2362 if (!appData.noJoin)
2365 Joining just consists of finding matches against the
2366 continuation sequence, and discarding that sequence
2367 if found instead of copying it. So, until a match
2368 fails, there's nothing to do since it might be the
2369 complete sequence, and thus, something we don't want
2372 if (data[i] == cont_seq[cmatch])
2375 if (cmatch == strlen(cont_seq))
2377 cmatch = 0; // complete match. just reset the counter
2380 it's possible for the ICS to not include the space
2381 at the end of the last word, making our [correct]
2382 join operation fuse two separate words. the server
2383 does this when the space occurs at the width setting.
2385 if (!buf_len || buf[buf_len-1] != ' ')
2396 match failed, so we have to copy what matched before
2397 falling through and copying this character. In reality,
2398 this will only ever be just the newline character, but
2399 it doesn't hurt to be precise.
2401 strncpy(bp, cont_seq, cmatch);
2413 buf[buf_len] = NULLCHAR;
2414 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2419 while (i < buf_len) {
2420 /* Deal with part of the TELNET option negotiation
2421 protocol. We refuse to do anything beyond the
2422 defaults, except that we allow the WILL ECHO option,
2423 which ICS uses to turn off password echoing when we are
2424 directly connected to it. We reject this option
2425 if localLineEditing mode is on (always on in xboard)
2426 and we are talking to port 23, which might be a real
2427 telnet server that will try to keep WILL ECHO on permanently.
2429 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2430 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2431 unsigned char option;
2433 switch ((unsigned char) buf[++i]) {
2435 if (appData.debugMode)
2436 fprintf(debugFP, "\n<WILL ");
2437 switch (option = (unsigned char) buf[++i]) {
2439 if (appData.debugMode)
2440 fprintf(debugFP, "ECHO ");
2441 /* Reply only if this is a change, according
2442 to the protocol rules. */
2443 if (remoteEchoOption) break;
2444 if (appData.localLineEditing &&
2445 atoi(appData.icsPort) == TN_PORT) {
2446 TelnetRequest(TN_DONT, TN_ECHO);
2449 TelnetRequest(TN_DO, TN_ECHO);
2450 remoteEchoOption = TRUE;
2454 if (appData.debugMode)
2455 fprintf(debugFP, "%d ", option);
2456 /* Whatever this is, we don't want it. */
2457 TelnetRequest(TN_DONT, option);
2462 if (appData.debugMode)
2463 fprintf(debugFP, "\n<WONT ");
2464 switch (option = (unsigned char) buf[++i]) {
2466 if (appData.debugMode)
2467 fprintf(debugFP, "ECHO ");
2468 /* Reply only if this is a change, according
2469 to the protocol rules. */
2470 if (!remoteEchoOption) break;
2472 TelnetRequest(TN_DONT, TN_ECHO);
2473 remoteEchoOption = FALSE;
2476 if (appData.debugMode)
2477 fprintf(debugFP, "%d ", (unsigned char) option);
2478 /* Whatever this is, it must already be turned
2479 off, because we never agree to turn on
2480 anything non-default, so according to the
2481 protocol rules, we don't reply. */
2486 if (appData.debugMode)
2487 fprintf(debugFP, "\n<DO ");
2488 switch (option = (unsigned char) buf[++i]) {
2490 /* Whatever this is, we refuse to do it. */
2491 if (appData.debugMode)
2492 fprintf(debugFP, "%d ", option);
2493 TelnetRequest(TN_WONT, option);
2498 if (appData.debugMode)
2499 fprintf(debugFP, "\n<DONT ");
2500 switch (option = (unsigned char) buf[++i]) {
2502 if (appData.debugMode)
2503 fprintf(debugFP, "%d ", option);
2504 /* Whatever this is, we are already not doing
2505 it, because we never agree to do anything
2506 non-default, so according to the protocol
2507 rules, we don't reply. */
2512 if (appData.debugMode)
2513 fprintf(debugFP, "\n<IAC ");
2514 /* Doubled IAC; pass it through */
2518 if (appData.debugMode)
2519 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2520 /* Drop all other telnet commands on the floor */
2523 if (oldi > next_out)
2524 SendToPlayer(&buf[next_out], oldi - next_out);
2530 /* OK, this at least will *usually* work */
2531 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2535 if (loggedOn && !intfSet) {
2536 if (ics_type == ICS_ICC) {
2538 "/set-quietly interface %s\n/set-quietly style 12\n",
2540 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2541 strcat(str, "/set-2 51 1\n/set seek 1\n");
2542 } else if (ics_type == ICS_CHESSNET) {
2543 sprintf(str, "/style 12\n");
2545 strcpy(str, "alias $ @\n$set interface ");
2546 strcat(str, programVersion);
2547 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2548 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2549 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2551 strcat(str, "$iset nohighlight 1\n");
2553 strcat(str, "$iset lock 1\n$style 12\n");
2556 NotifyFrontendLogin();
2560 if (started == STARTED_COMMENT) {
2561 /* Accumulate characters in comment */
2562 parse[parse_pos++] = buf[i];
2563 if (buf[i] == '\n') {
2564 parse[parse_pos] = NULLCHAR;
2565 if(chattingPartner>=0) {
2567 sprintf(mess, "%s%s", talker, parse);
2568 OutputChatMessage(chattingPartner, mess);
2569 chattingPartner = -1;
2570 next_out = i+1; // [HGM] suppress printing in ICS window
2572 if(!suppressKibitz) // [HGM] kibitz
2573 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2574 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2575 int nrDigit = 0, nrAlph = 0, j;
2576 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2577 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2578 parse[parse_pos] = NULLCHAR;
2579 // try to be smart: if it does not look like search info, it should go to
2580 // ICS interaction window after all, not to engine-output window.
2581 for(j=0; j<parse_pos; j++) { // count letters and digits
2582 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2583 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2584 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2586 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2587 int depth=0; float score;
2588 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2589 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2590 pvInfoList[forwardMostMove-1].depth = depth;
2591 pvInfoList[forwardMostMove-1].score = 100*score;
2593 OutputKibitz(suppressKibitz, parse);
2596 sprintf(tmp, _("your opponent kibitzes: %s"), parse);
2597 SendToPlayer(tmp, strlen(tmp));
2599 next_out = i+1; // [HGM] suppress printing in ICS window
2601 started = STARTED_NONE;
2603 /* Don't match patterns against characters in comment */
2608 if (started == STARTED_CHATTER) {
2609 if (buf[i] != '\n') {
2610 /* Don't match patterns against characters in chatter */
2614 started = STARTED_NONE;
2615 if(suppressKibitz) next_out = i+1;
2618 /* Kludge to deal with rcmd protocol */
2619 if (firstTime && looking_at(buf, &i, "\001*")) {
2620 DisplayFatalError(&buf[1], 0, 1);
2626 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2629 if (appData.debugMode)
2630 fprintf(debugFP, "ics_type %d\n", ics_type);
2633 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2634 ics_type = ICS_FICS;
2636 if (appData.debugMode)
2637 fprintf(debugFP, "ics_type %d\n", ics_type);
2640 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
2641 ics_type = ICS_CHESSNET;
2643 if (appData.debugMode)
2644 fprintf(debugFP, "ics_type %d\n", ics_type);
2649 (looking_at(buf, &i, "\"*\" is *a registered name") ||
2650 looking_at(buf, &i, "Logging you in as \"*\"") ||
2651 looking_at(buf, &i, "will be \"*\""))) {
2652 strcpy(ics_handle, star_match[0]);
2656 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
2658 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
2659 DisplayIcsInteractionTitle(buf);
2660 have_set_title = TRUE;
2663 /* skip finger notes */
2664 if (started == STARTED_NONE &&
2665 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
2666 (buf[i] == '1' && buf[i+1] == '0')) &&
2667 buf[i+2] == ':' && buf[i+3] == ' ') {
2668 started = STARTED_CHATTER;
2674 // [HGM] seekgraph: recognize sought lines and end-of-sought message
2675 if(appData.seekGraph) {
2676 if(soughtPending && MatchSoughtLine(buf+i)) {
2677 i = strstr(buf+i, "rated") - buf;
2678 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2679 next_out = leftover_start = i;
2680 started = STARTED_CHATTER;
2681 suppressKibitz = TRUE;
2684 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
2685 && looking_at(buf, &i, "* ads displayed")) {
2686 soughtPending = FALSE;
2691 if(appData.autoRefresh) {
2692 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
2693 int s = (ics_type == ICS_ICC); // ICC format differs
2695 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
2696 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
2697 looking_at(buf, &i, "*% "); // eat prompt
2698 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
2699 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2700 next_out = i; // suppress
2703 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
2704 char *p = star_match[0];
2706 if(seekGraphUp) RemoveSeekAd(atoi(p));
2707 while(*p && *p++ != ' '); // next
2709 looking_at(buf, &i, "*% "); // eat prompt
2710 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2717 /* skip formula vars */
2718 if (started == STARTED_NONE &&
2719 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
2720 started = STARTED_CHATTER;
2725 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
2726 if (appData.autoKibitz && started == STARTED_NONE &&
2727 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
2728 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
2729 if((looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
2730 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
2731 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
2732 suppressKibitz = TRUE;
2733 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2735 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
2736 && (gameMode == IcsPlayingWhite)) ||
2737 (StrStr(star_match[0], gameInfo.black) == star_match[0]
2738 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
2739 started = STARTED_CHATTER; // own kibitz we simply discard
2741 started = STARTED_COMMENT; // make sure it will be collected in parse[]
2742 parse_pos = 0; parse[0] = NULLCHAR;
2743 savingComment = TRUE;
2744 suppressKibitz = gameMode != IcsObserving ? 2 :
2745 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
2749 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
2750 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
2751 && atoi(star_match[0])) {
2752 // suppress the acknowledgements of our own autoKibitz
2754 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2755 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
2756 SendToPlayer(star_match[0], strlen(star_match[0]));
2757 if(looking_at(buf, &i, "*% ")) // eat prompt
2758 suppressKibitz = FALSE;
2762 } // [HGM] kibitz: end of patch
2764 // [HGM] chat: intercept tells by users for which we have an open chat window
2766 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
2767 looking_at(buf, &i, "* whispers:") ||
2768 looking_at(buf, &i, "* kibitzes:") ||
2769 looking_at(buf, &i, "* shouts:") ||
2770 looking_at(buf, &i, "* c-shouts:") ||
2771 looking_at(buf, &i, "--> * ") ||
2772 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
2773 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
2774 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
2775 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
2777 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
2778 chattingPartner = -1;
2780 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
2781 for(p=0; p<MAX_CHAT; p++) {
2782 if(channel == atoi(chatPartner[p])) {
2783 talker[0] = '['; strcat(talker, "] ");
2784 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
2785 chattingPartner = p; break;
2788 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
2789 for(p=0; p<MAX_CHAT; p++) {
2790 if(!strcmp("kibitzes", chatPartner[p])) {
2791 talker[0] = '['; strcat(talker, "] ");
2792 chattingPartner = p; break;
2795 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
2796 for(p=0; p<MAX_CHAT; p++) {
2797 if(!strcmp("whispers", chatPartner[p])) {
2798 talker[0] = '['; strcat(talker, "] ");
2799 chattingPartner = p; break;
2802 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
2803 if(buf[i-8] == '-' && buf[i-3] == 't')
2804 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
2805 if(!strcmp("c-shouts", chatPartner[p])) {
2806 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
2807 chattingPartner = p; break;
2810 if(chattingPartner < 0)
2811 for(p=0; p<MAX_CHAT; p++) {
2812 if(!strcmp("shouts", chatPartner[p])) {
2813 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
2814 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
2815 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
2816 chattingPartner = p; break;
2820 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
2821 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
2822 talker[0] = 0; Colorize(ColorTell, FALSE);
2823 chattingPartner = p; break;
2825 if(chattingPartner<0) i = oldi; else {
2826 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
2827 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
2828 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2829 started = STARTED_COMMENT;
2830 parse_pos = 0; parse[0] = NULLCHAR;
2831 savingComment = 3 + chattingPartner; // counts as TRUE
2832 suppressKibitz = TRUE;
2835 } // [HGM] chat: end of patch
2837 if (appData.zippyTalk || appData.zippyPlay) {
2838 /* [DM] Backup address for color zippy lines */
2841 if (loggedOn == TRUE)
2842 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
2843 (appData.zippyPlay && ZippyMatch(buf, &backup)));
2845 } // [DM] 'else { ' deleted
2847 /* Regular tells and says */
2848 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
2849 looking_at(buf, &i, "* (your partner) tells you: ") ||
2850 looking_at(buf, &i, "* says: ") ||
2851 /* Don't color "message" or "messages" output */
2852 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
2853 looking_at(buf, &i, "*. * at *:*: ") ||
2854 looking_at(buf, &i, "--* (*:*): ") ||
2855 /* Message notifications (same color as tells) */
2856 looking_at(buf, &i, "* has left a message ") ||
2857 looking_at(buf, &i, "* just sent you a message:\n") ||
2858 /* Whispers and kibitzes */
2859 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
2860 looking_at(buf, &i, "* kibitzes: ") ||
2862 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
2864 if (tkind == 1 && strchr(star_match[0], ':')) {
2865 /* Avoid "tells you:" spoofs in channels */
2868 if (star_match[0][0] == NULLCHAR ||
2869 strchr(star_match[0], ' ') ||
2870 (tkind == 3 && strchr(star_match[1], ' '))) {
2871 /* Reject bogus matches */
2874 if (appData.colorize) {
2875 if (oldi > next_out) {
2876 SendToPlayer(&buf[next_out], oldi - next_out);
2881 Colorize(ColorTell, FALSE);
2882 curColor = ColorTell;
2885 Colorize(ColorKibitz, FALSE);
2886 curColor = ColorKibitz;
2889 p = strrchr(star_match[1], '(');
2896 Colorize(ColorChannel1, FALSE);
2897 curColor = ColorChannel1;
2899 Colorize(ColorChannel, FALSE);
2900 curColor = ColorChannel;
2904 curColor = ColorNormal;
2908 if (started == STARTED_NONE && appData.autoComment &&
2909 (gameMode == IcsObserving ||
2910 gameMode == IcsPlayingWhite ||
2911 gameMode == IcsPlayingBlack)) {
2912 parse_pos = i - oldi;
2913 memcpy(parse, &buf[oldi], parse_pos);
2914 parse[parse_pos] = NULLCHAR;
2915 started = STARTED_COMMENT;
2916 savingComment = TRUE;
2918 started = STARTED_CHATTER;
2919 savingComment = FALSE;
2926 if (looking_at(buf, &i, "* s-shouts: ") ||
2927 looking_at(buf, &i, "* c-shouts: ")) {
2928 if (appData.colorize) {
2929 if (oldi > next_out) {
2930 SendToPlayer(&buf[next_out], oldi - next_out);
2933 Colorize(ColorSShout, FALSE);
2934 curColor = ColorSShout;
2937 started = STARTED_CHATTER;
2941 if (looking_at(buf, &i, "--->")) {
2946 if (looking_at(buf, &i, "* shouts: ") ||
2947 looking_at(buf, &i, "--> ")) {
2948 if (appData.colorize) {
2949 if (oldi > next_out) {
2950 SendToPlayer(&buf[next_out], oldi - next_out);
2953 Colorize(ColorShout, FALSE);
2954 curColor = ColorShout;
2957 started = STARTED_CHATTER;
2961 if (looking_at( buf, &i, "Challenge:")) {
2962 if (appData.colorize) {
2963 if (oldi > next_out) {
2964 SendToPlayer(&buf[next_out], oldi - next_out);
2967 Colorize(ColorChallenge, FALSE);
2968 curColor = ColorChallenge;
2974 if (looking_at(buf, &i, "* offers you") ||
2975 looking_at(buf, &i, "* offers to be") ||
2976 looking_at(buf, &i, "* would like to") ||
2977 looking_at(buf, &i, "* requests to") ||
2978 looking_at(buf, &i, "Your opponent offers") ||
2979 looking_at(buf, &i, "Your opponent requests")) {
2981 if (appData.colorize) {
2982 if (oldi > next_out) {
2983 SendToPlayer(&buf[next_out], oldi - next_out);
2986 Colorize(ColorRequest, FALSE);
2987 curColor = ColorRequest;
2992 if (looking_at(buf, &i, "* (*) seeking")) {
2993 if (appData.colorize) {
2994 if (oldi > next_out) {
2995 SendToPlayer(&buf[next_out], oldi - next_out);
2998 Colorize(ColorSeek, FALSE);
2999 curColor = ColorSeek;
3004 if (looking_at(buf, &i, "\\ ")) {
3005 if (prevColor != ColorNormal) {
3006 if (oldi > next_out) {
3007 SendToPlayer(&buf[next_out], oldi - next_out);
3010 Colorize(prevColor, TRUE);
3011 curColor = prevColor;
3013 if (savingComment) {
3014 parse_pos = i - oldi;
3015 memcpy(parse, &buf[oldi], parse_pos);
3016 parse[parse_pos] = NULLCHAR;
3017 started = STARTED_COMMENT;
3018 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3019 chattingPartner = savingComment - 3; // kludge to remember the box
3021 started = STARTED_CHATTER;
3026 if (looking_at(buf, &i, "Black Strength :") ||
3027 looking_at(buf, &i, "<<< style 10 board >>>") ||
3028 looking_at(buf, &i, "<10>") ||
3029 looking_at(buf, &i, "#@#")) {
3030 /* Wrong board style */
3032 SendToICS(ics_prefix);
3033 SendToICS("set style 12\n");
3034 SendToICS(ics_prefix);
3035 SendToICS("refresh\n");
3039 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3041 have_sent_ICS_logon = 1;
3045 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3046 (looking_at(buf, &i, "\n<12> ") ||
3047 looking_at(buf, &i, "<12> "))) {
3049 if (oldi > next_out) {
3050 SendToPlayer(&buf[next_out], oldi - next_out);
3053 started = STARTED_BOARD;
3058 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3059 looking_at(buf, &i, "<b1> ")) {
3060 if (oldi > next_out) {
3061 SendToPlayer(&buf[next_out], oldi - next_out);
3064 started = STARTED_HOLDINGS;
3069 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3071 /* Header for a move list -- first line */
3073 switch (ics_getting_history) {
3077 case BeginningOfGame:
3078 /* User typed "moves" or "oldmoves" while we
3079 were idle. Pretend we asked for these
3080 moves and soak them up so user can step
3081 through them and/or save them.
3084 gameMode = IcsObserving;
3087 ics_getting_history = H_GOT_UNREQ_HEADER;
3089 case EditGame: /*?*/
3090 case EditPosition: /*?*/
3091 /* Should above feature work in these modes too? */
3092 /* For now it doesn't */
3093 ics_getting_history = H_GOT_UNWANTED_HEADER;
3096 ics_getting_history = H_GOT_UNWANTED_HEADER;
3101 /* Is this the right one? */
3102 if (gameInfo.white && gameInfo.black &&
3103 strcmp(gameInfo.white, star_match[0]) == 0 &&
3104 strcmp(gameInfo.black, star_match[2]) == 0) {
3106 ics_getting_history = H_GOT_REQ_HEADER;
3109 case H_GOT_REQ_HEADER:
3110 case H_GOT_UNREQ_HEADER:
3111 case H_GOT_UNWANTED_HEADER:
3112 case H_GETTING_MOVES:
3113 /* Should not happen */
3114 DisplayError(_("Error gathering move list: two headers"), 0);
3115 ics_getting_history = H_FALSE;
3119 /* Save player ratings into gameInfo if needed */
3120 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3121 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3122 (gameInfo.whiteRating == -1 ||
3123 gameInfo.blackRating == -1)) {
3125 gameInfo.whiteRating = string_to_rating(star_match[1]);
3126 gameInfo.blackRating = string_to_rating(star_match[3]);
3127 if (appData.debugMode)
3128 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3129 gameInfo.whiteRating, gameInfo.blackRating);
3134 if (looking_at(buf, &i,
3135 "* * match, initial time: * minute*, increment: * second")) {
3136 /* Header for a move list -- second line */
3137 /* Initial board will follow if this is a wild game */
3138 if (gameInfo.event != NULL) free(gameInfo.event);
3139 sprintf(str, "ICS %s %s match", star_match[0], star_match[1]);
3140 gameInfo.event = StrSave(str);
3141 /* [HGM] we switched variant. Translate boards if needed. */
3142 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3146 if (looking_at(buf, &i, "Move ")) {
3147 /* Beginning of a move list */
3148 switch (ics_getting_history) {
3150 /* Normally should not happen */
3151 /* Maybe user hit reset while we were parsing */
3154 /* Happens if we are ignoring a move list that is not
3155 * the one we just requested. Common if the user
3156 * tries to observe two games without turning off
3159 case H_GETTING_MOVES:
3160 /* Should not happen */
3161 DisplayError(_("Error gathering move list: nested"), 0);
3162 ics_getting_history = H_FALSE;
3164 case H_GOT_REQ_HEADER:
3165 ics_getting_history = H_GETTING_MOVES;
3166 started = STARTED_MOVES;
3168 if (oldi > next_out) {
3169 SendToPlayer(&buf[next_out], oldi - next_out);
3172 case H_GOT_UNREQ_HEADER:
3173 ics_getting_history = H_GETTING_MOVES;
3174 started = STARTED_MOVES_NOHIDE;
3177 case H_GOT_UNWANTED_HEADER:
3178 ics_getting_history = H_FALSE;
3184 if (looking_at(buf, &i, "% ") ||
3185 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3186 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3187 if(ics_type == ICS_ICC && soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3188 soughtPending = FALSE;
3192 if(suppressKibitz) next_out = i;
3193 savingComment = FALSE;
3197 case STARTED_MOVES_NOHIDE:
3198 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3199 parse[parse_pos + i - oldi] = NULLCHAR;
3200 ParseGameHistory(parse);
3202 if (appData.zippyPlay && first.initDone) {
3203 FeedMovesToProgram(&first, forwardMostMove);
3204 if (gameMode == IcsPlayingWhite) {
3205 if (WhiteOnMove(forwardMostMove)) {
3206 if (first.sendTime) {
3207 if (first.useColors) {
3208 SendToProgram("black\n", &first);
3210 SendTimeRemaining(&first, TRUE);
3212 if (first.useColors) {
3213 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3215 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3216 first.maybeThinking = TRUE;
3218 if (first.usePlayother) {
3219 if (first.sendTime) {
3220 SendTimeRemaining(&first, TRUE);
3222 SendToProgram("playother\n", &first);
3228 } else if (gameMode == IcsPlayingBlack) {
3229 if (!WhiteOnMove(forwardMostMove)) {
3230 if (first.sendTime) {
3231 if (first.useColors) {
3232 SendToProgram("white\n", &first);
3234 SendTimeRemaining(&first, FALSE);
3236 if (first.useColors) {
3237 SendToProgram("black\n", &first);
3239 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3240 first.maybeThinking = TRUE;
3242 if (first.usePlayother) {
3243 if (first.sendTime) {
3244 SendTimeRemaining(&first, FALSE);
3246 SendToProgram("playother\n", &first);
3255 if (gameMode == IcsObserving && ics_gamenum == -1) {
3256 /* Moves came from oldmoves or moves command
3257 while we weren't doing anything else.
3259 currentMove = forwardMostMove;
3260 ClearHighlights();/*!!could figure this out*/
3261 flipView = appData.flipView;
3262 DrawPosition(TRUE, boards[currentMove]);
3263 DisplayBothClocks();
3264 sprintf(str, "%s vs. %s",
3265 gameInfo.white, gameInfo.black);
3269 /* Moves were history of an active game */
3270 if (gameInfo.resultDetails != NULL) {
3271 free(gameInfo.resultDetails);
3272 gameInfo.resultDetails = NULL;
3275 HistorySet(parseList, backwardMostMove,
3276 forwardMostMove, currentMove-1);
3277 DisplayMove(currentMove - 1);
3278 if (started == STARTED_MOVES) next_out = i;
3279 started = STARTED_NONE;
3280 ics_getting_history = H_FALSE;
3283 case STARTED_OBSERVE:
3284 started = STARTED_NONE;
3285 SendToICS(ics_prefix);
3286 SendToICS("refresh\n");
3292 if(bookHit) { // [HGM] book: simulate book reply
3293 static char bookMove[MSG_SIZ]; // a bit generous?
3295 programStats.nodes = programStats.depth = programStats.time =
3296 programStats.score = programStats.got_only_move = 0;
3297 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3299 strcpy(bookMove, "move ");
3300 strcat(bookMove, bookHit);
3301 HandleMachineMove(bookMove, &first);
3306 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3307 started == STARTED_HOLDINGS ||
3308 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3309 /* Accumulate characters in move list or board */
3310 parse[parse_pos++] = buf[i];
3313 /* Start of game messages. Mostly we detect start of game
3314 when the first board image arrives. On some versions
3315 of the ICS, though, we need to do a "refresh" after starting
3316 to observe in order to get the current board right away. */
3317 if (looking_at(buf, &i, "Adding game * to observation list")) {
3318 started = STARTED_OBSERVE;
3322 /* Handle auto-observe */
3323 if (appData.autoObserve &&
3324 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3325 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3327 /* Choose the player that was highlighted, if any. */
3328 if (star_match[0][0] == '\033' ||
3329 star_match[1][0] != '\033') {
3330 player = star_match[0];
3332 player = star_match[2];
3334 sprintf(str, "%sobserve %s\n",
3335 ics_prefix, StripHighlightAndTitle(player));
3338 /* Save ratings from notify string */
3339 strcpy(player1Name, star_match[0]);
3340 player1Rating = string_to_rating(star_match[1]);
3341 strcpy(player2Name, star_match[2]);
3342 player2Rating = string_to_rating(star_match[3]);
3344 if (appData.debugMode)
3346 "Ratings from 'Game notification:' %s %d, %s %d\n",
3347 player1Name, player1Rating,
3348 player2Name, player2Rating);
3353 /* Deal with automatic examine mode after a game,
3354 and with IcsObserving -> IcsExamining transition */
3355 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3356 looking_at(buf, &i, "has made you an examiner of game *")) {
3358 int gamenum = atoi(star_match[0]);
3359 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3360 gamenum == ics_gamenum) {
3361 /* We were already playing or observing this game;
3362 no need to refetch history */
3363 gameMode = IcsExamining;
3365 pauseExamForwardMostMove = forwardMostMove;
3366 } else if (currentMove < forwardMostMove) {
3367 ForwardInner(forwardMostMove);
3370 /* I don't think this case really can happen */
3371 SendToICS(ics_prefix);
3372 SendToICS("refresh\n");
3377 /* Error messages */
3378 // if (ics_user_moved) {
3379 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3380 if (looking_at(buf, &i, "Illegal move") ||
3381 looking_at(buf, &i, "Not a legal move") ||
3382 looking_at(buf, &i, "Your king is in check") ||
3383 looking_at(buf, &i, "It isn't your turn") ||
3384 looking_at(buf, &i, "It is not your move")) {
3386 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3387 currentMove = forwardMostMove-1;
3388 DisplayMove(currentMove - 1); /* before DMError */
3389 DrawPosition(FALSE, boards[currentMove]);
3390 SwitchClocks(forwardMostMove-1); // [HGM] race
3391 DisplayBothClocks();
3393 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3399 if (looking_at(buf, &i, "still have time") ||
3400 looking_at(buf, &i, "not out of time") ||
3401 looking_at(buf, &i, "either player is out of time") ||
3402 looking_at(buf, &i, "has timeseal; checking")) {
3403 /* We must have called his flag a little too soon */
3404 whiteFlag = blackFlag = FALSE;
3408 if (looking_at(buf, &i, "added * seconds to") ||
3409 looking_at(buf, &i, "seconds were added to")) {
3410 /* Update the clocks */
3411 SendToICS(ics_prefix);
3412 SendToICS("refresh\n");
3416 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3417 ics_clock_paused = TRUE;
3422 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3423 ics_clock_paused = FALSE;
3428 /* Grab player ratings from the Creating: message.
3429 Note we have to check for the special case when
3430 the ICS inserts things like [white] or [black]. */
3431 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3432 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3434 0 player 1 name (not necessarily white)
3436 2 empty, white, or black (IGNORED)
3437 3 player 2 name (not necessarily black)
3440 The names/ratings are sorted out when the game
3441 actually starts (below).
3443 strcpy(player1Name, StripHighlightAndTitle(star_match[0]));
3444 player1Rating = string_to_rating(star_match[1]);
3445 strcpy(player2Name, StripHighlightAndTitle(star_match[3]));
3446 player2Rating = string_to_rating(star_match[4]);
3448 if (appData.debugMode)
3450 "Ratings from 'Creating:' %s %d, %s %d\n",
3451 player1Name, player1Rating,
3452 player2Name, player2Rating);
3457 /* Improved generic start/end-of-game messages */
3458 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3459 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3460 /* If tkind == 0: */
3461 /* star_match[0] is the game number */
3462 /* [1] is the white player's name */
3463 /* [2] is the black player's name */
3464 /* For end-of-game: */
3465 /* [3] is the reason for the game end */
3466 /* [4] is a PGN end game-token, preceded by " " */
3467 /* For start-of-game: */
3468 /* [3] begins with "Creating" or "Continuing" */
3469 /* [4] is " *" or empty (don't care). */
3470 int gamenum = atoi(star_match[0]);
3471 char *whitename, *blackname, *why, *endtoken;
3472 ChessMove endtype = (ChessMove) 0;
3475 whitename = star_match[1];
3476 blackname = star_match[2];
3477 why = star_match[3];
3478 endtoken = star_match[4];
3480 whitename = star_match[1];
3481 blackname = star_match[3];
3482 why = star_match[5];
3483 endtoken = star_match[6];
3486 /* Game start messages */
3487 if (strncmp(why, "Creating ", 9) == 0 ||
3488 strncmp(why, "Continuing ", 11) == 0) {
3489 gs_gamenum = gamenum;
3490 strcpy(gs_kind, strchr(why, ' ') + 1);
3491 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3493 if (appData.zippyPlay) {
3494 ZippyGameStart(whitename, blackname);
3497 partnerBoardValid = FALSE; // [HGM] bughouse
3501 /* Game end messages */
3502 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3503 ics_gamenum != gamenum) {
3506 while (endtoken[0] == ' ') endtoken++;
3507 switch (endtoken[0]) {
3510 endtype = GameUnfinished;
3513 endtype = BlackWins;
3516 if (endtoken[1] == '/')
3517 endtype = GameIsDrawn;
3519 endtype = WhiteWins;
3522 GameEnds(endtype, why, GE_ICS);
3524 if (appData.zippyPlay && first.initDone) {
3525 ZippyGameEnd(endtype, why);
3526 if (first.pr == NULL) {
3527 /* Start the next process early so that we'll
3528 be ready for the next challenge */
3529 StartChessProgram(&first);
3531 /* Send "new" early, in case this command takes
3532 a long time to finish, so that we'll be ready
3533 for the next challenge. */
3534 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3538 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3542 if (looking_at(buf, &i, "Removing game * from observation") ||
3543 looking_at(buf, &i, "no longer observing game *") ||
3544 looking_at(buf, &i, "Game * (*) has no examiners")) {
3545 if (gameMode == IcsObserving &&
3546 atoi(star_match[0]) == ics_gamenum)
3548 /* icsEngineAnalyze */
3549 if (appData.icsEngineAnalyze) {
3556 ics_user_moved = FALSE;
3561 if (looking_at(buf, &i, "no longer examining game *")) {
3562 if (gameMode == IcsExamining &&
3563 atoi(star_match[0]) == ics_gamenum)
3567 ics_user_moved = FALSE;
3572 /* Advance leftover_start past any newlines we find,
3573 so only partial lines can get reparsed */
3574 if (looking_at(buf, &i, "\n")) {
3575 prevColor = curColor;
3576 if (curColor != ColorNormal) {
3577 if (oldi > next_out) {
3578 SendToPlayer(&buf[next_out], oldi - next_out);
3581 Colorize(ColorNormal, FALSE);
3582 curColor = ColorNormal;
3584 if (started == STARTED_BOARD) {
3585 started = STARTED_NONE;
3586 parse[parse_pos] = NULLCHAR;
3587 ParseBoard12(parse);
3590 /* Send premove here */
3591 if (appData.premove) {
3593 if (currentMove == 0 &&
3594 gameMode == IcsPlayingWhite &&
3595 appData.premoveWhite) {
3596 sprintf(str, "%s\n", appData.premoveWhiteText);
3597 if (appData.debugMode)
3598 fprintf(debugFP, "Sending premove:\n");
3600 } else if (currentMove == 1 &&
3601 gameMode == IcsPlayingBlack &&
3602 appData.premoveBlack) {
3603 sprintf(str, "%s\n", appData.premoveBlackText);
3604 if (appData.debugMode)
3605 fprintf(debugFP, "Sending premove:\n");
3607 } else if (gotPremove) {
3609 ClearPremoveHighlights();
3610 if (appData.debugMode)
3611 fprintf(debugFP, "Sending premove:\n");
3612 UserMoveEvent(premoveFromX, premoveFromY,
3613 premoveToX, premoveToY,
3618 /* Usually suppress following prompt */
3619 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3620 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3621 if (looking_at(buf, &i, "*% ")) {
3622 savingComment = FALSE;
3627 } else if (started == STARTED_HOLDINGS) {
3629 char new_piece[MSG_SIZ];
3630 started = STARTED_NONE;
3631 parse[parse_pos] = NULLCHAR;
3632 if (appData.debugMode)
3633 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
3634 parse, currentMove);
3635 if (sscanf(parse, " game %d", &gamenum) == 1) {
3636 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
3637 if (gameInfo.variant == VariantNormal) {
3638 /* [HGM] We seem to switch variant during a game!
3639 * Presumably no holdings were displayed, so we have
3640 * to move the position two files to the right to
3641 * create room for them!
3643 VariantClass newVariant;
3644 switch(gameInfo.boardWidth) { // base guess on board width
3645 case 9: newVariant = VariantShogi; break;
3646 case 10: newVariant = VariantGreat; break;
3647 default: newVariant = VariantCrazyhouse; break;
3649 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3650 /* Get a move list just to see the header, which
3651 will tell us whether this is really bug or zh */
3652 if (ics_getting_history == H_FALSE) {
3653 ics_getting_history = H_REQUESTED;
3654 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3658 new_piece[0] = NULLCHAR;
3659 sscanf(parse, "game %d white [%s black [%s <- %s",
3660 &gamenum, white_holding, black_holding,
3662 white_holding[strlen(white_holding)-1] = NULLCHAR;
3663 black_holding[strlen(black_holding)-1] = NULLCHAR;
3664 /* [HGM] copy holdings to board holdings area */
3665 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
3666 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
3667 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
3669 if (appData.zippyPlay && first.initDone) {
3670 ZippyHoldings(white_holding, black_holding,
3674 if (tinyLayout || smallLayout) {
3675 char wh[16], bh[16];
3676 PackHolding(wh, white_holding);
3677 PackHolding(bh, black_holding);
3678 sprintf(str, "[%s-%s] %s-%s", wh, bh,
3679 gameInfo.white, gameInfo.black);
3681 sprintf(str, "%s [%s] vs. %s [%s]",
3682 gameInfo.white, white_holding,
3683 gameInfo.black, black_holding);
3685 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
3686 DrawPosition(FALSE, boards[currentMove]);
3688 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
3689 sscanf(parse, "game %d white [%s black [%s <- %s",
3690 &gamenum, white_holding, black_holding,
3692 white_holding[strlen(white_holding)-1] = NULLCHAR;
3693 black_holding[strlen(black_holding)-1] = NULLCHAR;
3694 /* [HGM] copy holdings to partner-board holdings area */
3695 CopyHoldings(partnerBoard, white_holding, WhitePawn);
3696 CopyHoldings(partnerBoard, black_holding, BlackPawn);
3697 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
3698 if(partnerUp) DrawPosition(FALSE, partnerBoard);
3699 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
3702 /* Suppress following prompt */
3703 if (looking_at(buf, &i, "*% ")) {
3704 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
3705 savingComment = FALSE;
3713 i++; /* skip unparsed character and loop back */
3716 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
3717 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
3718 // SendToPlayer(&buf[next_out], i - next_out);
3719 started != STARTED_HOLDINGS && leftover_start > next_out) {
3720 SendToPlayer(&buf[next_out], leftover_start - next_out);
3724 leftover_len = buf_len - leftover_start;
3725 /* if buffer ends with something we couldn't parse,
3726 reparse it after appending the next read */
3728 } else if (count == 0) {
3729 RemoveInputSource(isr);
3730 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
3732 DisplayFatalError(_("Error reading from ICS"), error, 1);
3737 /* Board style 12 looks like this:
3739 <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
3741 * The "<12> " is stripped before it gets to this routine. The two
3742 * trailing 0's (flip state and clock ticking) are later addition, and
3743 * some chess servers may not have them, or may have only the first.
3744 * Additional trailing fields may be added in the future.
3747 #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"
3749 #define RELATION_OBSERVING_PLAYED 0
3750 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
3751 #define RELATION_PLAYING_MYMOVE 1
3752 #define RELATION_PLAYING_NOTMYMOVE -1
3753 #define RELATION_EXAMINING 2
3754 #define RELATION_ISOLATED_BOARD -3
3755 #define RELATION_STARTING_POSITION -4 /* FICS only */
3758 ParseBoard12(string)
3761 GameMode newGameMode;
3762 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
3763 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
3764 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
3765 char to_play, board_chars[200];
3766 char move_str[500], str[500], elapsed_time[500];
3767 char black[32], white[32];
3769 int prevMove = currentMove;
3772 int fromX, fromY, toX, toY;
3774 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
3775 char *bookHit = NULL; // [HGM] book
3776 Boolean weird = FALSE, reqFlag = FALSE;
3778 fromX = fromY = toX = toY = -1;
3782 if (appData.debugMode)
3783 fprintf(debugFP, _("Parsing board: %s\n"), string);
3785 move_str[0] = NULLCHAR;
3786 elapsed_time[0] = NULLCHAR;
3787 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
3789 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
3790 if(string[i] == ' ') { ranks++; files = 0; }
3792 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
3795 for(j = 0; j <i; j++) board_chars[j] = string[j];
3796 board_chars[i] = '\0';
3799 n = sscanf(string, PATTERN, &to_play, &double_push,
3800 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
3801 &gamenum, white, black, &relation, &basetime, &increment,
3802 &white_stren, &black_stren, &white_time, &black_time,
3803 &moveNum, str, elapsed_time, move_str, &ics_flip,
3807 snprintf(str, sizeof(str), _("Failed to parse board string:\n\"%s\""), string);
3808 DisplayError(str, 0);
3812 /* Convert the move number to internal form */
3813 moveNum = (moveNum - 1) * 2;
3814 if (to_play == 'B') moveNum++;
3815 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
3816 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
3822 case RELATION_OBSERVING_PLAYED:
3823 case RELATION_OBSERVING_STATIC:
3824 if (gamenum == -1) {
3825 /* Old ICC buglet */
3826 relation = RELATION_OBSERVING_STATIC;
3828 newGameMode = IcsObserving;
3830 case RELATION_PLAYING_MYMOVE:
3831 case RELATION_PLAYING_NOTMYMOVE:
3833 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
3834 IcsPlayingWhite : IcsPlayingBlack;
3836 case RELATION_EXAMINING:
3837 newGameMode = IcsExamining;
3839 case RELATION_ISOLATED_BOARD:
3841 /* Just display this board. If user was doing something else,
3842 we will forget about it until the next board comes. */
3843 newGameMode = IcsIdle;
3845 case RELATION_STARTING_POSITION:
3846 newGameMode = gameMode;
3850 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
3851 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
3852 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
3854 for (k = 0; k < ranks; k++) {
3855 for (j = 0; j < files; j++)
3856 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
3857 if(gameInfo.holdingsWidth > 1) {
3858 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
3859 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
3862 CopyBoard(partnerBoard, board);
3863 if(toSqr = strchr(str, '/')) { // extract highlights from long move
3864 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
3865 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
3866 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
3867 if(toSqr = strchr(str, '-')) {
3868 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
3869 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
3870 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
3871 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
3872 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
3873 if(partnerUp) DrawPosition(FALSE, partnerBoard);
3874 if(twoBoards) { partnerUp = 0; flipView = !flipView; } // [HGM] dual
3875 sprintf(partnerStatus, "W: %d:%02d B: %d:%02d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
3876 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
3877 DisplayMessage(partnerStatus, "");
3878 partnerBoardValid = TRUE;
3882 /* Modify behavior for initial board display on move listing
3885 switch (ics_getting_history) {
3889 case H_GOT_REQ_HEADER:
3890 case H_GOT_UNREQ_HEADER:
3891 /* This is the initial position of the current game */
3892 gamenum = ics_gamenum;
3893 moveNum = 0; /* old ICS bug workaround */
3894 if (to_play == 'B') {
3895 startedFromSetupPosition = TRUE;
3896 blackPlaysFirst = TRUE;
3898 if (forwardMostMove == 0) forwardMostMove = 1;
3899 if (backwardMostMove == 0) backwardMostMove = 1;
3900 if (currentMove == 0) currentMove = 1;
3902 newGameMode = gameMode;
3903 relation = RELATION_STARTING_POSITION; /* ICC needs this */
3905 case H_GOT_UNWANTED_HEADER:
3906 /* This is an initial board that we don't want */
3908 case H_GETTING_MOVES:
3909 /* Should not happen */
3910 DisplayError(_("Error gathering move list: extra board"), 0);
3911 ics_getting_history = H_FALSE;
3915 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
3916 weird && (int)gameInfo.variant <= (int)VariantShogi) {
3917 /* [HGM] We seem to have switched variant unexpectedly
3918 * Try to guess new variant from board size
3920 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
3921 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
3922 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
3923 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
3924 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
3925 if(!weird) newVariant = VariantNormal;
3926 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3927 /* Get a move list just to see the header, which
3928 will tell us whether this is really bug or zh */
3929 if (ics_getting_history == H_FALSE) {
3930 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
3931 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3936 /* Take action if this is the first board of a new game, or of a
3937 different game than is currently being displayed. */
3938 if (gamenum != ics_gamenum || newGameMode != gameMode ||
3939 relation == RELATION_ISOLATED_BOARD) {
3941 /* Forget the old game and get the history (if any) of the new one */
3942 if (gameMode != BeginningOfGame) {
3946 if (appData.autoRaiseBoard) BoardToTop();
3948 if (gamenum == -1) {
3949 newGameMode = IcsIdle;
3950 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
3951 appData.getMoveList && !reqFlag) {
3952 /* Need to get game history */
3953 ics_getting_history = H_REQUESTED;
3954 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3958 /* Initially flip the board to have black on the bottom if playing
3959 black or if the ICS flip flag is set, but let the user change
3960 it with the Flip View button. */
3961 flipView = appData.autoFlipView ?
3962 (newGameMode == IcsPlayingBlack) || ics_flip :
3965 /* Done with values from previous mode; copy in new ones */
3966 gameMode = newGameMode;
3968 ics_gamenum = gamenum;
3969 if (gamenum == gs_gamenum) {
3970 int klen = strlen(gs_kind);
3971 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
3972 sprintf(str, "ICS %s", gs_kind);
3973 gameInfo.event = StrSave(str);
3975 gameInfo.event = StrSave("ICS game");
3977 gameInfo.site = StrSave(appData.icsHost);
3978 gameInfo.date = PGNDate();
3979 gameInfo.round = StrSave("-");
3980 gameInfo.white = StrSave(white);
3981 gameInfo.black = StrSave(black);
3982 timeControl = basetime * 60 * 1000;
3984 timeIncrement = increment * 1000;
3985 movesPerSession = 0;
3986 gameInfo.timeControl = TimeControlTagValue();
3987 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
3988 if (appData.debugMode) {
3989 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
3990 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
3991 setbuf(debugFP, NULL);
3994 gameInfo.outOfBook = NULL;
3996 /* Do we have the ratings? */
3997 if (strcmp(player1Name, white) == 0 &&
3998 strcmp(player2Name, black) == 0) {
3999 if (appData.debugMode)
4000 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4001 player1Rating, player2Rating);
4002 gameInfo.whiteRating = player1Rating;
4003 gameInfo.blackRating = player2Rating;
4004 } else if (strcmp(player2Name, white) == 0 &&
4005 strcmp(player1Name, black) == 0) {
4006 if (appData.debugMode)
4007 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4008 player2Rating, player1Rating);
4009 gameInfo.whiteRating = player2Rating;
4010 gameInfo.blackRating = player1Rating;
4012 player1Name[0] = player2Name[0] = NULLCHAR;
4014 /* Silence shouts if requested */
4015 if (appData.quietPlay &&
4016 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4017 SendToICS(ics_prefix);
4018 SendToICS("set shout 0\n");
4022 /* Deal with midgame name changes */
4024 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4025 if (gameInfo.white) free(gameInfo.white);
4026 gameInfo.white = StrSave(white);
4028 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4029 if (gameInfo.black) free(gameInfo.black);
4030 gameInfo.black = StrSave(black);
4034 /* Throw away game result if anything actually changes in examine mode */
4035 if (gameMode == IcsExamining && !newGame) {
4036 gameInfo.result = GameUnfinished;
4037 if (gameInfo.resultDetails != NULL) {
4038 free(gameInfo.resultDetails);
4039 gameInfo.resultDetails = NULL;
4043 /* In pausing && IcsExamining mode, we ignore boards coming
4044 in if they are in a different variation than we are. */
4045 if (pauseExamInvalid) return;
4046 if (pausing && gameMode == IcsExamining) {
4047 if (moveNum <= pauseExamForwardMostMove) {
4048 pauseExamInvalid = TRUE;
4049 forwardMostMove = pauseExamForwardMostMove;
4054 if (appData.debugMode) {
4055 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4057 /* Parse the board */
4058 for (k = 0; k < ranks; k++) {
4059 for (j = 0; j < files; j++)
4060 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4061 if(gameInfo.holdingsWidth > 1) {
4062 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4063 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4066 CopyBoard(boards[moveNum], board);
4067 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4069 startedFromSetupPosition =
4070 !CompareBoards(board, initialPosition);
4071 if(startedFromSetupPosition)
4072 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4075 /* [HGM] Set castling rights. Take the outermost Rooks,
4076 to make it also work for FRC opening positions. Note that board12
4077 is really defective for later FRC positions, as it has no way to
4078 indicate which Rook can castle if they are on the same side of King.
4079 For the initial position we grant rights to the outermost Rooks,
4080 and remember thos rights, and we then copy them on positions
4081 later in an FRC game. This means WB might not recognize castlings with
4082 Rooks that have moved back to their original position as illegal,
4083 but in ICS mode that is not its job anyway.
4085 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4086 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4088 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4089 if(board[0][i] == WhiteRook) j = i;
4090 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4091 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4092 if(board[0][i] == WhiteRook) j = i;
4093 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4094 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4095 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4096 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4097 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4098 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4099 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4101 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4102 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4103 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4104 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4105 if(board[BOARD_HEIGHT-1][k] == bKing)
4106 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4107 if(gameInfo.variant == VariantTwoKings) {
4108 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4109 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4110 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4113 r = boards[moveNum][CASTLING][0] = initialRights[0];
4114 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4115 r = boards[moveNum][CASTLING][1] = initialRights[1];
4116 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4117 r = boards[moveNum][CASTLING][3] = initialRights[3];
4118 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4119 r = boards[moveNum][CASTLING][4] = initialRights[4];
4120 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4121 /* wildcastle kludge: always assume King has rights */
4122 r = boards[moveNum][CASTLING][2] = initialRights[2];
4123 r = boards[moveNum][CASTLING][5] = initialRights[5];
4125 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4126 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4129 if (ics_getting_history == H_GOT_REQ_HEADER ||
4130 ics_getting_history == H_GOT_UNREQ_HEADER) {
4131 /* This was an initial position from a move list, not
4132 the current position */
4136 /* Update currentMove and known move number limits */
4137 newMove = newGame || moveNum > forwardMostMove;
4140 forwardMostMove = backwardMostMove = currentMove = moveNum;
4141 if (gameMode == IcsExamining && moveNum == 0) {
4142 /* Workaround for ICS limitation: we are not told the wild
4143 type when starting to examine a game. But if we ask for
4144 the move list, the move list header will tell us */
4145 ics_getting_history = H_REQUESTED;
4146 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
4149 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4150 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4152 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4153 /* [HGM] applied this also to an engine that is silently watching */
4154 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4155 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4156 gameInfo.variant == currentlyInitializedVariant) {
4157 takeback = forwardMostMove - moveNum;
4158 for (i = 0; i < takeback; i++) {
4159 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4160 SendToProgram("undo\n", &first);
4165 forwardMostMove = moveNum;
4166 if (!pausing || currentMove > forwardMostMove)
4167 currentMove = forwardMostMove;
4169 /* New part of history that is not contiguous with old part */
4170 if (pausing && gameMode == IcsExamining) {
4171 pauseExamInvalid = TRUE;
4172 forwardMostMove = pauseExamForwardMostMove;
4175 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4177 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4178 // [HGM] when we will receive the move list we now request, it will be
4179 // fed to the engine from the first move on. So if the engine is not
4180 // in the initial position now, bring it there.
4181 InitChessProgram(&first, 0);
4184 ics_getting_history = H_REQUESTED;
4185 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
4188 forwardMostMove = backwardMostMove = currentMove = moveNum;
4191 /* Update the clocks */
4192 if (strchr(elapsed_time, '.')) {
4194 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4195 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4197 /* Time is in seconds */
4198 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4199 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4204 if (appData.zippyPlay && newGame &&
4205 gameMode != IcsObserving && gameMode != IcsIdle &&
4206 gameMode != IcsExamining)
4207 ZippyFirstBoard(moveNum, basetime, increment);
4210 /* Put the move on the move list, first converting
4211 to canonical algebraic form. */
4213 if (appData.debugMode) {
4214 if (appData.debugMode) { int f = forwardMostMove;
4215 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4216 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4217 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4219 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4220 fprintf(debugFP, "moveNum = %d\n", moveNum);
4221 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4222 setbuf(debugFP, NULL);
4224 if (moveNum <= backwardMostMove) {
4225 /* We don't know what the board looked like before
4227 strcpy(parseList[moveNum - 1], move_str);
4228 strcat(parseList[moveNum - 1], " ");
4229 strcat(parseList[moveNum - 1], elapsed_time);
4230 moveList[moveNum - 1][0] = NULLCHAR;
4231 } else if (strcmp(move_str, "none") == 0) {
4232 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4233 /* Again, we don't know what the board looked like;
4234 this is really the start of the game. */
4235 parseList[moveNum - 1][0] = NULLCHAR;
4236 moveList[moveNum - 1][0] = NULLCHAR;
4237 backwardMostMove = moveNum;
4238 startedFromSetupPosition = TRUE;
4239 fromX = fromY = toX = toY = -1;
4241 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4242 // So we parse the long-algebraic move string in stead of the SAN move
4243 int valid; char buf[MSG_SIZ], *prom;
4245 // str looks something like "Q/a1-a2"; kill the slash
4247 sprintf(buf, "%c%s", str[0], str+2);
4248 else strcpy(buf, str); // might be castling
4249 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4250 strcat(buf, prom); // long move lacks promo specification!
4251 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4252 if(appData.debugMode)
4253 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4254 strcpy(move_str, buf);
4256 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4257 &fromX, &fromY, &toX, &toY, &promoChar)
4258 || ParseOneMove(buf, moveNum - 1, &moveType,
4259 &fromX, &fromY, &toX, &toY, &promoChar);
4260 // end of long SAN patch
4262 (void) CoordsToAlgebraic(boards[moveNum - 1],
4263 PosFlags(moveNum - 1),
4264 fromY, fromX, toY, toX, promoChar,
4265 parseList[moveNum-1]);
4266 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4272 if(gameInfo.variant != VariantShogi)
4273 strcat(parseList[moveNum - 1], "+");
4276 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4277 strcat(parseList[moveNum - 1], "#");
4280 strcat(parseList[moveNum - 1], " ");
4281 strcat(parseList[moveNum - 1], elapsed_time);
4282 /* currentMoveString is set as a side-effect of ParseOneMove */
4283 strcpy(moveList[moveNum - 1], currentMoveString);
4284 strcat(moveList[moveNum - 1], "\n");
4286 /* Move from ICS was illegal!? Punt. */
4287 if (appData.debugMode) {
4288 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4289 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4291 strcpy(parseList[moveNum - 1], move_str);
4292 strcat(parseList[moveNum - 1], " ");
4293 strcat(parseList[moveNum - 1], elapsed_time);
4294 moveList[moveNum - 1][0] = NULLCHAR;
4295 fromX = fromY = toX = toY = -1;
4298 if (appData.debugMode) {
4299 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4300 setbuf(debugFP, NULL);
4304 /* Send move to chess program (BEFORE animating it). */
4305 if (appData.zippyPlay && !newGame && newMove &&
4306 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4308 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4309 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4310 if (moveList[moveNum - 1][0] == NULLCHAR) {
4311 sprintf(str, _("Couldn't parse move \"%s\" from ICS"),
4313 DisplayError(str, 0);
4315 if (first.sendTime) {
4316 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4318 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4319 if (firstMove && !bookHit) {
4321 if (first.useColors) {
4322 SendToProgram(gameMode == IcsPlayingWhite ?
4324 "black\ngo\n", &first);
4326 SendToProgram("go\n", &first);
4328 first.maybeThinking = TRUE;
4331 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4332 if (moveList[moveNum - 1][0] == NULLCHAR) {
4333 sprintf(str, _("Couldn't parse move \"%s\" from ICS"), move_str);
4334 DisplayError(str, 0);
4336 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4337 SendMoveToProgram(moveNum - 1, &first);
4344 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4345 /* If move comes from a remote source, animate it. If it
4346 isn't remote, it will have already been animated. */
4347 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4348 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4350 if (!pausing && appData.highlightLastMove) {
4351 SetHighlights(fromX, fromY, toX, toY);
4355 /* Start the clocks */
4356 whiteFlag = blackFlag = FALSE;
4357 appData.clockMode = !(basetime == 0 && increment == 0);
4359 ics_clock_paused = TRUE;
4361 } else if (ticking == 1) {
4362 ics_clock_paused = FALSE;
4364 if (gameMode == IcsIdle ||
4365 relation == RELATION_OBSERVING_STATIC ||
4366 relation == RELATION_EXAMINING ||
4368 DisplayBothClocks();
4372 /* Display opponents and material strengths */
4373 if (gameInfo.variant != VariantBughouse &&
4374 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4375 if (tinyLayout || smallLayout) {
4376 if(gameInfo.variant == VariantNormal)
4377 sprintf(str, "%s(%d) %s(%d) {%d %d}",
4378 gameInfo.white, white_stren, gameInfo.black, black_stren,
4379 basetime, increment);
4381 sprintf(str, "%s(%d) %s(%d) {%d %d w%d}",
4382 gameInfo.white, white_stren, gameInfo.black, black_stren,
4383 basetime, increment, (int) gameInfo.variant);
4385 if(gameInfo.variant == VariantNormal)
4386 sprintf(str, "%s (%d) vs. %s (%d) {%d %d}",
4387 gameInfo.white, white_stren, gameInfo.black, black_stren,
4388 basetime, increment);
4390 sprintf(str, "%s (%d) vs. %s (%d) {%d %d %s}",
4391 gameInfo.white, white_stren, gameInfo.black, black_stren,
4392 basetime, increment, VariantName(gameInfo.variant));
4395 if (appData.debugMode) {
4396 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4401 /* Display the board */
4402 if (!pausing && !appData.noGUI) {
4404 if (appData.premove)
4406 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4407 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4408 ClearPremoveHighlights();
4410 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4411 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4412 DrawPosition(j, boards[currentMove]);
4414 DisplayMove(moveNum - 1);
4415 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4416 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4417 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4418 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4422 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4424 if(bookHit) { // [HGM] book: simulate book reply
4425 static char bookMove[MSG_SIZ]; // a bit generous?
4427 programStats.nodes = programStats.depth = programStats.time =
4428 programStats.score = programStats.got_only_move = 0;
4429 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4431 strcpy(bookMove, "move ");
4432 strcat(bookMove, bookHit);
4433 HandleMachineMove(bookMove, &first);
4442 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4443 ics_getting_history = H_REQUESTED;
4444 sprintf(buf, "%smoves %d\n", ics_prefix, ics_gamenum);
4450 AnalysisPeriodicEvent(force)
4453 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4454 && !force) || !appData.periodicUpdates)
4457 /* Send . command to Crafty to collect stats */
4458 SendToProgram(".\n", &first);
4460 /* Don't send another until we get a response (this makes
4461 us stop sending to old Crafty's which don't understand
4462 the "." command (sending illegal cmds resets node count & time,
4463 which looks bad)) */
4464 programStats.ok_to_send = 0;
4467 void ics_update_width(new_width)
4470 ics_printf("set width %d\n", new_width);
4474 SendMoveToProgram(moveNum, cps)
4476 ChessProgramState *cps;
4480 if (cps->useUsermove) {
4481 SendToProgram("usermove ", cps);
4485 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4486 int len = space - parseList[moveNum];
4487 memcpy(buf, parseList[moveNum], len);
4489 buf[len] = NULLCHAR;
4491 sprintf(buf, "%s\n", parseList[moveNum]);
4493 SendToProgram(buf, cps);
4495 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4496 AlphaRank(moveList[moveNum], 4);
4497 SendToProgram(moveList[moveNum], cps);
4498 AlphaRank(moveList[moveNum], 4); // and back
4500 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4501 * the engine. It would be nice to have a better way to identify castle
4503 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4504 && cps->useOOCastle) {
4505 int fromX = moveList[moveNum][0] - AAA;
4506 int fromY = moveList[moveNum][1] - ONE;
4507 int toX = moveList[moveNum][2] - AAA;
4508 int toY = moveList[moveNum][3] - ONE;
4509 if((boards[moveNum][fromY][fromX] == WhiteKing
4510 && boards[moveNum][toY][toX] == WhiteRook)
4511 || (boards[moveNum][fromY][fromX] == BlackKing
4512 && boards[moveNum][toY][toX] == BlackRook)) {
4513 if(toX > fromX) SendToProgram("O-O\n", cps);
4514 else SendToProgram("O-O-O\n", cps);
4516 else SendToProgram(moveList[moveNum], cps);
4518 else SendToProgram(moveList[moveNum], cps);
4519 /* End of additions by Tord */
4522 /* [HGM] setting up the opening has brought engine in force mode! */
4523 /* Send 'go' if we are in a mode where machine should play. */
4524 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4525 (gameMode == TwoMachinesPlay ||
4527 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4529 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4530 SendToProgram("go\n", cps);
4531 if (appData.debugMode) {
4532 fprintf(debugFP, "(extra)\n");
4535 setboardSpoiledMachineBlack = 0;
4539 SendMoveToICS(moveType, fromX, fromY, toX, toY)
4541 int fromX, fromY, toX, toY;
4543 char user_move[MSG_SIZ];
4547 sprintf(user_move, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4548 (int)moveType, fromX, fromY, toX, toY);
4549 DisplayError(user_move + strlen("say "), 0);
4551 case WhiteKingSideCastle:
4552 case BlackKingSideCastle:
4553 case WhiteQueenSideCastleWild:
4554 case BlackQueenSideCastleWild:
4556 case WhiteHSideCastleFR:
4557 case BlackHSideCastleFR:
4559 sprintf(user_move, "o-o\n");
4561 case WhiteQueenSideCastle:
4562 case BlackQueenSideCastle:
4563 case WhiteKingSideCastleWild:
4564 case BlackKingSideCastleWild:
4566 case WhiteASideCastleFR:
4567 case BlackASideCastleFR:
4569 sprintf(user_move, "o-o-o\n");
4571 case WhitePromotionQueen:
4572 case BlackPromotionQueen:
4573 case WhitePromotionRook:
4574 case BlackPromotionRook:
4575 case WhitePromotionBishop:
4576 case BlackPromotionBishop:
4577 case WhitePromotionKnight:
4578 case BlackPromotionKnight:
4579 case WhitePromotionKing:
4580 case BlackPromotionKing:
4581 case WhitePromotionChancellor:
4582 case BlackPromotionChancellor:
4583 case WhitePromotionArchbishop:
4584 case BlackPromotionArchbishop:
4585 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4586 sprintf(user_move, "%c%c%c%c=%c\n",
4587 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4588 PieceToChar(WhiteFerz));
4589 else if(gameInfo.variant == VariantGreat)
4590 sprintf(user_move, "%c%c%c%c=%c\n",
4591 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4592 PieceToChar(WhiteMan));
4594 sprintf(user_move, "%c%c%c%c=%c\n",
4595 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4596 PieceToChar(PromoPiece(moveType)));
4600 sprintf(user_move, "%c@%c%c\n",
4601 ToUpper(PieceToChar((ChessSquare) fromX)),
4602 AAA + toX, ONE + toY);
4605 case WhiteCapturesEnPassant:
4606 case BlackCapturesEnPassant:
4607 case IllegalMove: /* could be a variant we don't quite understand */
4608 sprintf(user_move, "%c%c%c%c\n",
4609 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4612 SendToICS(user_move);
4613 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
4614 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
4619 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
4620 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
4621 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
4622 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
4623 DisplayError("You cannot do this while you are playing or observing", 0);
4626 if(gameMode != IcsExamining) { // is this ever not the case?
4627 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
4629 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
4630 sprintf(command, "match %s", ics_handle);
4631 } else { // on FICS we must first go to general examine mode
4632 strcpy(command, "examine\nbsetup"); // and specify variant within it with bsetups
4634 if(gameInfo.variant != VariantNormal) {
4635 // try figure out wild number, as xboard names are not always valid on ICS
4636 for(i=1; i<=36; i++) {
4637 sprintf(buf, "wild/%d", i);
4638 if(StringToVariant(buf) == gameInfo.variant) break;
4640 if(i<=36 && ics_type == ICS_ICC) sprintf(buf, "%s w%d\n", command, i);
4641 else if(i == 22) sprintf(buf, "%s fr\n", command);
4642 else sprintf(buf, "%s %s\n", command, VariantName(gameInfo.variant));
4643 } else sprintf(buf, "%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
4644 SendToICS(ics_prefix);
4646 if(startedFromSetupPosition || backwardMostMove != 0) {
4647 fen = PositionToFEN(backwardMostMove, NULL);
4648 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
4649 sprintf(buf, "loadfen %s\n", fen);
4651 } else { // FICS: everything has to set by separate bsetup commands
4652 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
4653 sprintf(buf, "bsetup fen %s\n", fen);
4655 if(!WhiteOnMove(backwardMostMove)) {
4656 SendToICS("bsetup tomove black\n");
4658 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
4659 sprintf(buf, "bsetup wcastle %s\n", castlingStrings[i]);
4661 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
4662 sprintf(buf, "bsetup bcastle %s\n", castlingStrings[i]);
4664 i = boards[backwardMostMove][EP_STATUS];
4665 if(i >= 0) { // set e.p.
4666 sprintf(buf, "bsetup eppos %c\n", i+AAA);
4672 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
4673 SendToICS("bsetup done\n"); // switch to normal examining.
4675 for(i = backwardMostMove; i<last; i++) {
4677 sprintf(buf, "%s\n", parseList[i]);
4680 SendToICS(ics_prefix);
4681 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
4685 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
4690 if (rf == DROP_RANK) {
4691 sprintf(move, "%c@%c%c\n",
4692 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
4694 if (promoChar == 'x' || promoChar == NULLCHAR) {
4695 sprintf(move, "%c%c%c%c\n",
4696 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
4698 sprintf(move, "%c%c%c%c%c\n",
4699 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
4705 ProcessICSInitScript(f)
4710 while (fgets(buf, MSG_SIZ, f)) {
4711 SendToICSDelayed(buf,(long)appData.msLoginDelay);
4718 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
4720 AlphaRank(char *move, int n)
4722 // char *p = move, c; int x, y;
4724 if (appData.debugMode) {
4725 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
4729 move[2]>='0' && move[2]<='9' &&
4730 move[3]>='a' && move[3]<='x' ) {
4732 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4733 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4735 if(move[0]>='0' && move[0]<='9' &&
4736 move[1]>='a' && move[1]<='x' &&
4737 move[2]>='0' && move[2]<='9' &&
4738 move[3]>='a' && move[3]<='x' ) {
4739 /* input move, Shogi -> normal */
4740 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
4741 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
4742 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4743 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4746 move[3]>='0' && move[3]<='9' &&
4747 move[2]>='a' && move[2]<='x' ) {
4749 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4750 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4753 move[0]>='a' && move[0]<='x' &&
4754 move[3]>='0' && move[3]<='9' &&
4755 move[2]>='a' && move[2]<='x' ) {
4756 /* output move, normal -> Shogi */
4757 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
4758 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
4759 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4760 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4761 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
4763 if (appData.debugMode) {
4764 fprintf(debugFP, " out = '%s'\n", move);
4768 char yy_textstr[8000];
4770 /* Parser for moves from gnuchess, ICS, or user typein box */
4772 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
4775 ChessMove *moveType;
4776 int *fromX, *fromY, *toX, *toY;
4779 if (appData.debugMode) {
4780 fprintf(debugFP, "move to parse: %s\n", move);
4782 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
4784 switch (*moveType) {
4785 case WhitePromotionChancellor:
4786 case BlackPromotionChancellor:
4787 case WhitePromotionArchbishop:
4788 case BlackPromotionArchbishop:
4789 case WhitePromotionQueen:
4790 case BlackPromotionQueen:
4791 case WhitePromotionRook:
4792 case BlackPromotionRook:
4793 case WhitePromotionBishop:
4794 case BlackPromotionBishop:
4795 case WhitePromotionKnight:
4796 case BlackPromotionKnight:
4797 case WhitePromotionKing:
4798 case BlackPromotionKing:
4800 case WhiteCapturesEnPassant:
4801 case BlackCapturesEnPassant:
4802 case WhiteKingSideCastle:
4803 case WhiteQueenSideCastle:
4804 case BlackKingSideCastle:
4805 case BlackQueenSideCastle:
4806 case WhiteKingSideCastleWild:
4807 case WhiteQueenSideCastleWild:
4808 case BlackKingSideCastleWild:
4809 case BlackQueenSideCastleWild:
4810 /* Code added by Tord: */
4811 case WhiteHSideCastleFR:
4812 case WhiteASideCastleFR:
4813 case BlackHSideCastleFR:
4814 case BlackASideCastleFR:
4815 /* End of code added by Tord */
4816 case IllegalMove: /* bug or odd chess variant */
4817 *fromX = currentMoveString[0] - AAA;
4818 *fromY = currentMoveString[1] - ONE;
4819 *toX = currentMoveString[2] - AAA;
4820 *toY = currentMoveString[3] - ONE;
4821 *promoChar = currentMoveString[4];
4822 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
4823 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
4824 if (appData.debugMode) {
4825 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
4827 *fromX = *fromY = *toX = *toY = 0;
4830 if (appData.testLegality) {
4831 return (*moveType != IllegalMove);
4833 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
4834 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
4839 *fromX = *moveType == WhiteDrop ?
4840 (int) CharToPiece(ToUpper(currentMoveString[0])) :
4841 (int) CharToPiece(ToLower(currentMoveString[0]));
4843 *toX = currentMoveString[2] - AAA;
4844 *toY = currentMoveString[3] - ONE;
4845 *promoChar = NULLCHAR;
4849 case ImpossibleMove:
4850 case (ChessMove) 0: /* end of file */
4859 if (appData.debugMode) {
4860 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
4863 *fromX = *fromY = *toX = *toY = 0;
4864 *promoChar = NULLCHAR;
4871 ParsePV(char *pv, Boolean storeComments)
4872 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
4873 int fromX, fromY, toX, toY; char promoChar;
4878 endPV = forwardMostMove;
4880 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
4881 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
4882 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
4883 if(appData.debugMode){
4884 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);
4886 if(!valid && nr == 0 &&
4887 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
4888 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
4889 // Hande case where played move is different from leading PV move
4890 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
4891 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
4892 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
4893 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
4894 endPV += 2; // if position different, keep this
4895 moveList[endPV-1][0] = fromX + AAA;
4896 moveList[endPV-1][1] = fromY + ONE;
4897 moveList[endPV-1][2] = toX + AAA;
4898 moveList[endPV-1][3] = toY + ONE;
4899 parseList[endPV-1][0] = NULLCHAR;
4900 strcpy(moveList[endPV-2], "_0_0"); // suppress premove highlight on takeback move
4903 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
4904 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
4905 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
4906 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
4907 valid++; // allow comments in PV
4911 if(endPV+1 > framePtr) break; // no space, truncate
4914 CopyBoard(boards[endPV], boards[endPV-1]);
4915 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
4916 moveList[endPV-1][0] = fromX + AAA;
4917 moveList[endPV-1][1] = fromY + ONE;
4918 moveList[endPV-1][2] = toX + AAA;
4919 moveList[endPV-1][3] = toY + ONE;
4921 CoordsToAlgebraic(boards[endPV - 1],
4922 PosFlags(endPV - 1),
4923 fromY, fromX, toY, toX, promoChar,
4924 parseList[endPV - 1]);
4926 parseList[endPV-1][0] = NULLCHAR;
4928 currentMove = endPV;
4929 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
4930 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
4931 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
4932 DrawPosition(TRUE, boards[currentMove]);
4935 static int lastX, lastY;
4938 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
4943 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
4944 lastX = x; lastY = y;
4945 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
4947 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
4948 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
4950 do{ while(buf[index] && buf[index] != '\n') index++;
4951 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
4953 ParsePV(buf+startPV, FALSE);
4954 *start = startPV; *end = index-1;
4959 LoadPV(int x, int y)
4960 { // called on right mouse click to load PV
4961 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
4962 lastX = x; lastY = y;
4963 ParsePV(lastPV[which], FALSE); // load the PV of the thinking engine in the boards array.
4970 if(endPV < 0) return;
4972 currentMove = forwardMostMove;
4973 ClearPremoveHighlights();
4974 DrawPosition(TRUE, boards[currentMove]);
4978 MovePV(int x, int y, int h)
4979 { // step through PV based on mouse coordinates (called on mouse move)
4980 int margin = h>>3, step = 0;
4982 if(endPV < 0) return;
4983 // we must somehow check if right button is still down (might be released off board!)
4984 if(y < margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = 1; else
4985 if(y > h - margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = -1; else
4986 if( y > lastY + 6 ) step = -1; else if(y < lastY - 6) step = 1;
4988 lastX = x; lastY = y;
4989 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
4990 currentMove += step;
4991 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
4992 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
4993 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
4994 DrawPosition(FALSE, boards[currentMove]);
4998 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
4999 // All positions will have equal probability, but the current method will not provide a unique
5000 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5006 int piecesLeft[(int)BlackPawn];
5007 int seed, nrOfShuffles;
5009 void GetPositionNumber()
5010 { // sets global variable seed
5013 seed = appData.defaultFrcPosition;
5014 if(seed < 0) { // randomize based on time for negative FRC position numbers
5015 for(i=0; i<50; i++) seed += random();
5016 seed = random() ^ random() >> 8 ^ random() << 8;
5017 if(seed<0) seed = -seed;
5021 int put(Board board, int pieceType, int rank, int n, int shade)
5022 // put the piece on the (n-1)-th empty squares of the given shade
5026 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5027 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5028 board[rank][i] = (ChessSquare) pieceType;
5029 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5031 piecesLeft[pieceType]--;
5039 void AddOnePiece(Board board, int pieceType, int rank, int shade)
5040 // calculate where the next piece goes, (any empty square), and put it there
5044 i = seed % squaresLeft[shade];
5045 nrOfShuffles *= squaresLeft[shade];
5046 seed /= squaresLeft[shade];
5047 put(board, pieceType, rank, i, shade);
5050 void AddTwoPieces(Board board, int pieceType, int rank)
5051 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5053 int i, n=squaresLeft[ANY], j=n-1, k;
5055 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5056 i = seed % k; // pick one
5059 while(i >= j) i -= j--;
5060 j = n - 1 - j; i += j;
5061 put(board, pieceType, rank, j, ANY);
5062 put(board, pieceType, rank, i, ANY);
5065 void SetUpShuffle(Board board, int number)
5069 GetPositionNumber(); nrOfShuffles = 1;
5071 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5072 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5073 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5075 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5077 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5078 p = (int) board[0][i];
5079 if(p < (int) BlackPawn) piecesLeft[p] ++;
5080 board[0][i] = EmptySquare;
5083 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5084 // shuffles restricted to allow normal castling put KRR first
5085 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5086 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5087 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5088 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5089 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5090 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5091 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5092 put(board, WhiteRook, 0, 0, ANY);
5093 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5096 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5097 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5098 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5099 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5100 while(piecesLeft[p] >= 2) {
5101 AddOnePiece(board, p, 0, LITE);
5102 AddOnePiece(board, p, 0, DARK);
5104 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5107 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5108 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5109 // but we leave King and Rooks for last, to possibly obey FRC restriction
5110 if(p == (int)WhiteRook) continue;
5111 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5112 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5115 // now everything is placed, except perhaps King (Unicorn) and Rooks
5117 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5118 // Last King gets castling rights
5119 while(piecesLeft[(int)WhiteUnicorn]) {
5120 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5121 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5124 while(piecesLeft[(int)WhiteKing]) {
5125 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5126 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5131 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5132 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5135 // Only Rooks can be left; simply place them all
5136 while(piecesLeft[(int)WhiteRook]) {
5137 i = put(board, WhiteRook, 0, 0, ANY);
5138 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5141 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5143 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5146 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5147 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5150 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5153 int SetCharTable( char *table, const char * map )
5154 /* [HGM] moved here from winboard.c because of its general usefulness */
5155 /* Basically a safe strcpy that uses the last character as King */
5157 int result = FALSE; int NrPieces;
5159 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5160 && NrPieces >= 12 && !(NrPieces&1)) {
5161 int i; /* [HGM] Accept even length from 12 to 34 */
5163 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5164 for( i=0; i<NrPieces/2-1; i++ ) {
5166 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5168 table[(int) WhiteKing] = map[NrPieces/2-1];
5169 table[(int) BlackKing] = map[NrPieces-1];
5177 void Prelude(Board board)
5178 { // [HGM] superchess: random selection of exo-pieces
5179 int i, j, k; ChessSquare p;
5180 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5182 GetPositionNumber(); // use FRC position number
5184 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5185 SetCharTable(pieceToChar, appData.pieceToCharTable);
5186 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5187 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5190 j = seed%4; seed /= 4;
5191 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5192 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5193 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5194 j = seed%3 + (seed%3 >= j); seed /= 3;
5195 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5196 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5197 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5198 j = seed%3; seed /= 3;
5199 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5200 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5201 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5202 j = seed%2 + (seed%2 >= j); seed /= 2;
5203 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5204 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5205 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5206 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5207 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5208 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5209 put(board, exoPieces[0], 0, 0, ANY);
5210 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5214 InitPosition(redraw)
5217 ChessSquare (* pieces)[BOARD_FILES];
5218 int i, j, pawnRow, overrule,
5219 oldx = gameInfo.boardWidth,
5220 oldy = gameInfo.boardHeight,
5221 oldh = gameInfo.holdingsWidth,
5222 oldv = gameInfo.variant;
5224 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5226 /* [AS] Initialize pv info list [HGM] and game status */
5228 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5229 pvInfoList[i].depth = 0;
5230 boards[i][EP_STATUS] = EP_NONE;
5231 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5234 initialRulePlies = 0; /* 50-move counter start */
5236 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5237 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5241 /* [HGM] logic here is completely changed. In stead of full positions */
5242 /* the initialized data only consist of the two backranks. The switch */
5243 /* selects which one we will use, which is than copied to the Board */
5244 /* initialPosition, which for the rest is initialized by Pawns and */
5245 /* empty squares. This initial position is then copied to boards[0], */
5246 /* possibly after shuffling, so that it remains available. */
5248 gameInfo.holdingsWidth = 0; /* default board sizes */
5249 gameInfo.boardWidth = 8;
5250 gameInfo.boardHeight = 8;
5251 gameInfo.holdingsSize = 0;
5252 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5253 for(i=0; i<BOARD_FILES-2; i++)
5254 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5255 initialPosition[EP_STATUS] = EP_NONE;
5256 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5257 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5258 SetCharTable(pieceNickName, appData.pieceNickNames);
5259 else SetCharTable(pieceNickName, "............");
5261 switch (gameInfo.variant) {
5262 case VariantFischeRandom:
5263 shuffleOpenings = TRUE;
5267 case VariantShatranj:
5268 pieces = ShatranjArray;
5269 nrCastlingRights = 0;
5270 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5273 pieces = makrukArray;
5274 nrCastlingRights = 0;
5275 startedFromSetupPosition = TRUE;
5276 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5278 case VariantTwoKings:
5279 pieces = twoKingsArray;
5281 case VariantCapaRandom:
5282 shuffleOpenings = TRUE;
5283 case VariantCapablanca:
5284 pieces = CapablancaArray;
5285 gameInfo.boardWidth = 10;
5286 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5289 pieces = GothicArray;
5290 gameInfo.boardWidth = 10;
5291 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5294 pieces = JanusArray;
5295 gameInfo.boardWidth = 10;
5296 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5297 nrCastlingRights = 6;
5298 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5299 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5300 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5301 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5302 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5303 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5306 pieces = FalconArray;
5307 gameInfo.boardWidth = 10;
5308 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5310 case VariantXiangqi:
5311 pieces = XiangqiArray;
5312 gameInfo.boardWidth = 9;
5313 gameInfo.boardHeight = 10;
5314 nrCastlingRights = 0;
5315 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5318 pieces = ShogiArray;
5319 gameInfo.boardWidth = 9;
5320 gameInfo.boardHeight = 9;
5321 gameInfo.holdingsSize = 7;
5322 nrCastlingRights = 0;
5323 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5325 case VariantCourier:
5326 pieces = CourierArray;
5327 gameInfo.boardWidth = 12;
5328 nrCastlingRights = 0;
5329 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5331 case VariantKnightmate:
5332 pieces = KnightmateArray;
5333 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5336 pieces = fairyArray;
5337 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5340 pieces = GreatArray;
5341 gameInfo.boardWidth = 10;
5342 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5343 gameInfo.holdingsSize = 8;
5347 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5348 gameInfo.holdingsSize = 8;
5349 startedFromSetupPosition = TRUE;
5351 case VariantCrazyhouse:
5352 case VariantBughouse:
5354 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5355 gameInfo.holdingsSize = 5;
5357 case VariantWildCastle:
5359 /* !!?shuffle with kings guaranteed to be on d or e file */
5360 shuffleOpenings = 1;
5362 case VariantNoCastle:
5364 nrCastlingRights = 0;
5365 /* !!?unconstrained back-rank shuffle */
5366 shuffleOpenings = 1;
5371 if(appData.NrFiles >= 0) {
5372 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5373 gameInfo.boardWidth = appData.NrFiles;
5375 if(appData.NrRanks >= 0) {
5376 gameInfo.boardHeight = appData.NrRanks;
5378 if(appData.holdingsSize >= 0) {
5379 i = appData.holdingsSize;
5380 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5381 gameInfo.holdingsSize = i;
5383 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5384 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5385 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5387 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5388 if(pawnRow < 1) pawnRow = 1;
5389 if(gameInfo.variant == VariantMakruk) pawnRow = 2;
5391 /* User pieceToChar list overrules defaults */
5392 if(appData.pieceToCharTable != NULL)
5393 SetCharTable(pieceToChar, appData.pieceToCharTable);
5395 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5397 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5398 s = (ChessSquare) 0; /* account holding counts in guard band */
5399 for( i=0; i<BOARD_HEIGHT; i++ )
5400 initialPosition[i][j] = s;
5402 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5403 initialPosition[0][j] = pieces[0][j-gameInfo.holdingsWidth];
5404 initialPosition[pawnRow][j] = WhitePawn;
5405 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = BlackPawn;
5406 if(gameInfo.variant == VariantXiangqi) {
5408 initialPosition[pawnRow][j] =
5409 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5410 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5411 initialPosition[2][j] = WhiteCannon;
5412 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5416 initialPosition[BOARD_HEIGHT-1][j] = pieces[1][j-gameInfo.holdingsWidth];
5418 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5421 initialPosition[1][j] = WhiteBishop;
5422 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5424 initialPosition[1][j] = WhiteRook;
5425 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5428 if( nrCastlingRights == -1) {
5429 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5430 /* This sets default castling rights from none to normal corners */
5431 /* Variants with other castling rights must set them themselves above */
5432 nrCastlingRights = 6;
5434 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5435 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5436 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5437 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5438 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5439 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5442 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5443 if(gameInfo.variant == VariantGreat) { // promotion commoners
5444 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5445 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5446 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5447 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5449 if (appData.debugMode) {
5450 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5452 if(shuffleOpenings) {
5453 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5454 startedFromSetupPosition = TRUE;
5456 if(startedFromPositionFile) {
5457 /* [HGM] loadPos: use PositionFile for every new game */
5458 CopyBoard(initialPosition, filePosition);
5459 for(i=0; i<nrCastlingRights; i++)
5460 initialRights[i] = filePosition[CASTLING][i];
5461 startedFromSetupPosition = TRUE;
5464 CopyBoard(boards[0], initialPosition);
5466 if(oldx != gameInfo.boardWidth ||
5467 oldy != gameInfo.boardHeight ||
5468 oldh != gameInfo.holdingsWidth
5470 || oldv == VariantGothic || // For licensing popups
5471 gameInfo.variant == VariantGothic
5474 || oldv == VariantFalcon ||
5475 gameInfo.variant == VariantFalcon
5478 InitDrawingSizes(-2 ,0);
5481 DrawPosition(TRUE, boards[currentMove]);
5485 SendBoard(cps, moveNum)
5486 ChessProgramState *cps;
5489 char message[MSG_SIZ];
5491 if (cps->useSetboard) {
5492 char* fen = PositionToFEN(moveNum, cps->fenOverride);
5493 sprintf(message, "setboard %s\n", fen);
5494 SendToProgram(message, cps);
5500 /* Kludge to set black to move, avoiding the troublesome and now
5501 * deprecated "black" command.
5503 if (!WhiteOnMove(moveNum)) SendToProgram("a2a3\n", cps);
5505 SendToProgram("edit\n", cps);
5506 SendToProgram("#\n", cps);
5507 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5508 bp = &boards[moveNum][i][BOARD_LEFT];
5509 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5510 if ((int) *bp < (int) BlackPawn) {
5511 sprintf(message, "%c%c%c\n", PieceToChar(*bp),
5513 if(message[0] == '+' || message[0] == '~') {
5514 sprintf(message, "%c%c%c+\n",
5515 PieceToChar((ChessSquare)(DEMOTED *bp)),
5518 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5519 message[1] = BOARD_RGHT - 1 - j + '1';
5520 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5522 SendToProgram(message, cps);
5527 SendToProgram("c\n", cps);
5528 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5529 bp = &boards[moveNum][i][BOARD_LEFT];
5530 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5531 if (((int) *bp != (int) EmptySquare)
5532 && ((int) *bp >= (int) BlackPawn)) {
5533 sprintf(message, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
5535 if(message[0] == '+' || message[0] == '~') {
5536 sprintf(message, "%c%c%c+\n",
5537 PieceToChar((ChessSquare)(DEMOTED *bp)),
5540 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5541 message[1] = BOARD_RGHT - 1 - j + '1';
5542 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5544 SendToProgram(message, cps);
5549 SendToProgram(".\n", cps);
5551 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
5554 static int autoQueen; // [HGM] oneclick
5557 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice)
5559 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
5560 /* [HGM] add Shogi promotions */
5561 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
5566 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
5567 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
5569 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
5570 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
5573 piece = boards[currentMove][fromY][fromX];
5574 if(gameInfo.variant == VariantShogi) {
5575 promotionZoneSize = 3;
5576 highestPromotingPiece = (int)WhiteFerz;
5577 } else if(gameInfo.variant == VariantMakruk) {
5578 promotionZoneSize = 3;
5581 // next weed out all moves that do not touch the promotion zone at all
5582 if((int)piece >= BlackPawn) {
5583 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
5585 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
5587 if( toY < BOARD_HEIGHT - promotionZoneSize &&
5588 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
5591 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
5593 // weed out mandatory Shogi promotions
5594 if(gameInfo.variant == VariantShogi) {
5595 if(piece >= BlackPawn) {
5596 if(toY == 0 && piece == BlackPawn ||
5597 toY == 0 && piece == BlackQueen ||
5598 toY <= 1 && piece == BlackKnight) {
5603 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
5604 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
5605 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
5612 // weed out obviously illegal Pawn moves
5613 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
5614 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
5615 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
5616 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
5617 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
5618 // note we are not allowed to test for valid (non-)capture, due to premove
5621 // we either have a choice what to promote to, or (in Shogi) whether to promote
5622 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
5623 *promoChoice = PieceToChar(BlackFerz); // no choice
5626 if(autoQueen) { // predetermined
5627 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantLosers)
5628 *promoChoice = PieceToChar(BlackKing); // in Suicide Q is the last thing we want
5629 else *promoChoice = PieceToChar(BlackQueen);
5633 // suppress promotion popup on illegal moves that are not premoves
5634 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
5635 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
5636 if(appData.testLegality && !premove) {
5637 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5638 fromY, fromX, toY, toX, NULLCHAR);
5639 if(moveType != WhitePromotionQueen && moveType != BlackPromotionQueen &&
5640 moveType != WhitePromotionKnight && moveType != BlackPromotionKnight)
5648 InPalace(row, column)
5650 { /* [HGM] for Xiangqi */
5651 if( (row < 3 || row > BOARD_HEIGHT-4) &&
5652 column < (BOARD_WIDTH + 4)/2 &&
5653 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
5658 PieceForSquare (x, y)
5662 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
5665 return boards[currentMove][y][x];
5669 OKToStartUserMove(x, y)
5672 ChessSquare from_piece;
5675 if (matchMode) return FALSE;
5676 if (gameMode == EditPosition) return TRUE;
5678 if (x >= 0 && y >= 0)
5679 from_piece = boards[currentMove][y][x];
5681 from_piece = EmptySquare;
5683 if (from_piece == EmptySquare) return FALSE;
5685 white_piece = (int)from_piece >= (int)WhitePawn &&
5686 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
5689 case PlayFromGameFile:
5691 case TwoMachinesPlay:
5699 case MachinePlaysWhite:
5700 case IcsPlayingBlack:
5701 if (appData.zippyPlay) return FALSE;
5703 DisplayMoveError(_("You are playing Black"));
5708 case MachinePlaysBlack:
5709 case IcsPlayingWhite:
5710 if (appData.zippyPlay) return FALSE;
5712 DisplayMoveError(_("You are playing White"));
5718 if (!white_piece && WhiteOnMove(currentMove)) {
5719 DisplayMoveError(_("It is White's turn"));
5722 if (white_piece && !WhiteOnMove(currentMove)) {
5723 DisplayMoveError(_("It is Black's turn"));
5726 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
5727 /* Editing correspondence game history */
5728 /* Could disallow this or prompt for confirmation */
5733 case BeginningOfGame:
5734 if (appData.icsActive) return FALSE;
5735 if (!appData.noChessProgram) {
5737 DisplayMoveError(_("You are playing White"));
5744 if (!white_piece && WhiteOnMove(currentMove)) {
5745 DisplayMoveError(_("It is White's turn"));
5748 if (white_piece && !WhiteOnMove(currentMove)) {
5749 DisplayMoveError(_("It is Black's turn"));
5758 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
5759 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
5760 && gameMode != AnalyzeFile && gameMode != Training) {
5761 DisplayMoveError(_("Displayed position is not current"));
5768 OnlyMove(int *x, int *y, Boolean captures) {
5769 DisambiguateClosure cl;
5770 if (appData.zippyPlay) return FALSE;
5772 case MachinePlaysBlack:
5773 case IcsPlayingWhite:
5774 case BeginningOfGame:
5775 if(!WhiteOnMove(currentMove)) return FALSE;
5777 case MachinePlaysWhite:
5778 case IcsPlayingBlack:
5779 if(WhiteOnMove(currentMove)) return FALSE;
5784 cl.pieceIn = EmptySquare;
5789 cl.promoCharIn = NULLCHAR;
5790 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5791 if( cl.kind == NormalMove ||
5792 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5793 cl.kind == WhitePromotionQueen || cl.kind == BlackPromotionQueen ||
5794 cl.kind == WhitePromotionKnight || cl.kind == BlackPromotionKnight ||
5795 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5802 if(cl.kind != ImpossibleMove) return FALSE;
5803 cl.pieceIn = EmptySquare;
5808 cl.promoCharIn = NULLCHAR;
5809 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5810 if( cl.kind == NormalMove ||
5811 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5812 cl.kind == WhitePromotionQueen || cl.kind == BlackPromotionQueen ||
5813 cl.kind == WhitePromotionKnight || cl.kind == BlackPromotionKnight ||
5814 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5819 autoQueen = TRUE; // act as if autoQueen on when we click to-square
5825 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
5826 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
5827 int lastLoadGameUseList = FALSE;
5828 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
5829 ChessMove lastLoadGameStart = (ChessMove) 0;
5832 UserMoveTest(fromX, fromY, toX, toY, promoChar, captureOwn)
5833 int fromX, fromY, toX, toY;
5838 ChessSquare pdown, pup;
5840 /* Check if the user is playing in turn. This is complicated because we
5841 let the user "pick up" a piece before it is his turn. So the piece he
5842 tried to pick up may have been captured by the time he puts it down!
5843 Therefore we use the color the user is supposed to be playing in this
5844 test, not the color of the piece that is currently on the starting
5845 square---except in EditGame mode, where the user is playing both
5846 sides; fortunately there the capture race can't happen. (It can
5847 now happen in IcsExamining mode, but that's just too bad. The user
5848 will get a somewhat confusing message in that case.)
5852 case PlayFromGameFile:
5854 case TwoMachinesPlay:
5858 /* We switched into a game mode where moves are not accepted,
5859 perhaps while the mouse button was down. */
5860 return ImpossibleMove;
5862 case MachinePlaysWhite:
5863 /* User is moving for Black */
5864 if (WhiteOnMove(currentMove)) {
5865 DisplayMoveError(_("It is White's turn"));
5866 return ImpossibleMove;
5870 case MachinePlaysBlack:
5871 /* User is moving for White */
5872 if (!WhiteOnMove(currentMove)) {
5873 DisplayMoveError(_("It is Black's turn"));
5874 return ImpossibleMove;
5880 case BeginningOfGame:
5883 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
5884 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
5885 /* User is moving for Black */
5886 if (WhiteOnMove(currentMove)) {
5887 DisplayMoveError(_("It is White's turn"));
5888 return ImpossibleMove;
5891 /* User is moving for White */
5892 if (!WhiteOnMove(currentMove)) {
5893 DisplayMoveError(_("It is Black's turn"));
5894 return ImpossibleMove;
5899 case IcsPlayingBlack:
5900 /* User is moving for Black */
5901 if (WhiteOnMove(currentMove)) {
5902 if (!appData.premove) {
5903 DisplayMoveError(_("It is White's turn"));
5904 } else if (toX >= 0 && toY >= 0) {
5907 premoveFromX = fromX;
5908 premoveFromY = fromY;
5909 premovePromoChar = promoChar;
5911 if (appData.debugMode)
5912 fprintf(debugFP, "Got premove: fromX %d,"
5913 "fromY %d, toX %d, toY %d\n",
5914 fromX, fromY, toX, toY);
5916 return ImpossibleMove;
5920 case IcsPlayingWhite:
5921 /* User is moving for White */
5922 if (!WhiteOnMove(currentMove)) {
5923 if (!appData.premove) {
5924 DisplayMoveError(_("It is Black's turn"));
5925 } else if (toX >= 0 && toY >= 0) {
5928 premoveFromX = fromX;
5929 premoveFromY = fromY;
5930 premovePromoChar = promoChar;
5932 if (appData.debugMode)
5933 fprintf(debugFP, "Got premove: fromX %d,"
5934 "fromY %d, toX %d, toY %d\n",
5935 fromX, fromY, toX, toY);
5937 return ImpossibleMove;
5945 /* EditPosition, empty square, or different color piece;
5946 click-click move is possible */
5947 if (toX == -2 || toY == -2) {
5948 boards[0][fromY][fromX] = EmptySquare;
5949 return AmbiguousMove;
5950 } else if (toX >= 0 && toY >= 0) {
5951 boards[0][toY][toX] = boards[0][fromY][fromX];
5952 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
5953 if(boards[0][fromY][0] != EmptySquare) {
5954 if(boards[0][fromY][1]) boards[0][fromY][1]--;
5955 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
5958 if(fromX == BOARD_RGHT+1) {
5959 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
5960 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
5961 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
5964 boards[0][fromY][fromX] = EmptySquare;
5965 return AmbiguousMove;
5967 return ImpossibleMove;
5970 if(toX < 0 || toY < 0) return ImpossibleMove;
5971 pdown = boards[currentMove][fromY][fromX];
5972 pup = boards[currentMove][toY][toX];
5974 /* [HGM] If move started in holdings, it means a drop */
5975 if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) {
5976 if( pup != EmptySquare ) return ImpossibleMove;
5977 if(appData.testLegality) {
5978 /* it would be more logical if LegalityTest() also figured out
5979 * which drops are legal. For now we forbid pawns on back rank.
5980 * Shogi is on its own here...
5982 if( (pdown == WhitePawn || pdown == BlackPawn) &&
5983 (toY == 0 || toY == BOARD_HEIGHT -1 ) )
5984 return(ImpossibleMove); /* no pawn drops on 1st/8th */
5986 return WhiteDrop; /* Not needed to specify white or black yet */
5989 /* [HGM] always test for legality, to get promotion info */
5990 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5991 fromY, fromX, toY, toX, promoChar);
5992 /* [HGM] but possibly ignore an IllegalMove result */
5993 if (appData.testLegality) {
5994 if (moveType == IllegalMove || moveType == ImpossibleMove) {
5995 DisplayMoveError(_("Illegal move"));
5996 return ImpossibleMove;
6001 /* [HGM] <popupFix> in stead of calling FinishMove directly, this
6002 function is made into one that returns an OK move type if FinishMove
6003 should be called. This to give the calling driver routine the
6004 opportunity to finish the userMove input with a promotion popup,
6005 without bothering the user with this for invalid or illegal moves */
6007 /* FinishMove(moveType, fromX, fromY, toX, toY, promoChar); */
6010 /* Common tail of UserMoveEvent and DropMenuEvent */
6012 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
6014 int fromX, fromY, toX, toY;
6015 /*char*/int promoChar;
6019 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR) {
6020 // [HGM] superchess: suppress promotions to non-available piece
6021 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6022 if(WhiteOnMove(currentMove)) {
6023 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6025 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6029 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6030 move type in caller when we know the move is a legal promotion */
6031 if(moveType == NormalMove && promoChar)
6032 moveType = PromoCharToMoveType(WhiteOnMove(currentMove), promoChar);
6034 /* [HGM] convert drag-and-drop piece drops to standard form */
6035 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ){
6036 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6037 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6038 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6039 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6040 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6041 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6042 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6046 /* [HGM] <popupFix> The following if has been moved here from
6047 UserMoveEvent(). Because it seemed to belong here (why not allow
6048 piece drops in training games?), and because it can only be
6049 performed after it is known to what we promote. */
6050 if (gameMode == Training) {
6051 /* compare the move played on the board to the next move in the
6052 * game. If they match, display the move and the opponent's response.
6053 * If they don't match, display an error message.
6057 CopyBoard(testBoard, boards[currentMove]);
6058 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6060 if (CompareBoards(testBoard, boards[currentMove+1])) {
6061 ForwardInner(currentMove+1);
6063 /* Autoplay the opponent's response.
6064 * if appData.animate was TRUE when Training mode was entered,
6065 * the response will be animated.
6067 saveAnimate = appData.animate;
6068 appData.animate = animateTraining;
6069 ForwardInner(currentMove+1);
6070 appData.animate = saveAnimate;
6072 /* check for the end of the game */
6073 if (currentMove >= forwardMostMove) {
6074 gameMode = PlayFromGameFile;
6076 SetTrainingModeOff();
6077 DisplayInformation(_("End of game"));
6080 DisplayError(_("Incorrect move"), 0);
6085 /* Ok, now we know that the move is good, so we can kill
6086 the previous line in Analysis Mode */
6087 if ((gameMode == AnalyzeMode || gameMode == EditGame)
6088 && currentMove < forwardMostMove) {
6089 PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6092 /* If we need the chess program but it's dead, restart it */
6093 ResurrectChessProgram();
6095 /* A user move restarts a paused game*/
6099 thinkOutput[0] = NULLCHAR;
6101 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6103 if(Adjudicate(NULL)) return 1; // [HGM] adjudicate: take care of automtic game end
6105 if (gameMode == BeginningOfGame) {
6106 if (appData.noChessProgram) {
6107 gameMode = EditGame;
6111 gameMode = MachinePlaysBlack;
6114 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
6116 if (first.sendName) {
6117 sprintf(buf, "name %s\n", gameInfo.white);
6118 SendToProgram(buf, &first);
6125 /* Relay move to ICS or chess engine */
6126 if (appData.icsActive) {
6127 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6128 gameMode == IcsExamining) {
6129 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6130 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6132 SendMoveToICS(moveType, fromX, fromY, toX, toY);
6134 // also send plain move, in case ICS does not understand atomic claims
6135 SendMoveToICS(moveType, fromX, fromY, toX, toY);
6139 if (first.sendTime && (gameMode == BeginningOfGame ||
6140 gameMode == MachinePlaysWhite ||
6141 gameMode == MachinePlaysBlack)) {
6142 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6144 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6145 // [HGM] book: if program might be playing, let it use book
6146 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6147 first.maybeThinking = TRUE;
6148 } else SendMoveToProgram(forwardMostMove-1, &first);
6149 if (currentMove == cmailOldMove + 1) {
6150 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6154 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6158 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6164 if (WhiteOnMove(currentMove)) {
6165 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6167 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6171 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6176 case MachinePlaysBlack:
6177 case MachinePlaysWhite:
6178 /* disable certain menu options while machine is thinking */
6179 SetMachineThinkingEnables();
6186 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6188 if(bookHit) { // [HGM] book: simulate book reply
6189 static char bookMove[MSG_SIZ]; // a bit generous?
6191 programStats.nodes = programStats.depth = programStats.time =
6192 programStats.score = programStats.got_only_move = 0;
6193 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6195 strcpy(bookMove, "move ");
6196 strcat(bookMove, bookHit);
6197 HandleMachineMove(bookMove, &first);
6203 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
6204 int fromX, fromY, toX, toY;
6207 /* [HGM] This routine was added to allow calling of its two logical
6208 parts from other modules in the old way. Before, UserMoveEvent()
6209 automatically called FinishMove() if the move was OK, and returned
6210 otherwise. I separated the two, in order to make it possible to
6211 slip a promotion popup in between. But that it always needs two
6212 calls, to the first part, (now called UserMoveTest() ), and to
6213 FinishMove if the first part succeeded. Calls that do not need
6214 to do anything in between, can call this routine the old way.
6216 ChessMove moveType = UserMoveTest(fromX, fromY, toX, toY, promoChar, FALSE);
6217 if(appData.debugMode) fprintf(debugFP, "moveType 4 = %d, promochar = %x\n", moveType, promoChar);
6218 if(moveType == AmbiguousMove)
6219 DrawPosition(FALSE, boards[currentMove]);
6220 else if(moveType != ImpossibleMove && moveType != Comment)
6221 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6225 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6232 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6233 Markers *m = (Markers *) closure;
6234 if(rf == fromY && ff == fromX)
6235 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6236 || kind == WhiteCapturesEnPassant
6237 || kind == BlackCapturesEnPassant);
6238 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6242 MarkTargetSquares(int clear)
6245 if(!appData.markers || !appData.highlightDragging ||
6246 !appData.testLegality || gameMode == EditPosition) return;
6248 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6251 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker);
6252 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6253 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6255 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6258 DrawPosition(TRUE, NULL);
6261 void LeftClick(ClickType clickType, int xPix, int yPix)
6264 Boolean saveAnimate;
6265 static int second = 0, promotionChoice = 0, dragging = 0;
6266 char promoChoice = NULLCHAR;
6268 if(appData.seekGraph && appData.icsActive && loggedOn &&
6269 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6270 SeekGraphClick(clickType, xPix, yPix, 0);
6274 if (clickType == Press) ErrorPopDown();
6275 MarkTargetSquares(1);
6277 x = EventToSquare(xPix, BOARD_WIDTH);
6278 y = EventToSquare(yPix, BOARD_HEIGHT);
6279 if (!flipView && y >= 0) {
6280 y = BOARD_HEIGHT - 1 - y;
6282 if (flipView && x >= 0) {
6283 x = BOARD_WIDTH - 1 - x;
6286 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6287 if(clickType == Release) return; // ignore upclick of click-click destination
6288 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6289 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6290 if(gameInfo.holdingsWidth &&
6291 (WhiteOnMove(currentMove)
6292 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y > 0
6293 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT-1) ) {
6294 // click in right holdings, for determining promotion piece
6295 ChessSquare p = boards[currentMove][y][x];
6296 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6297 if(p != EmptySquare) {
6298 FinishMove(NormalMove, fromX, fromY, toX, toY, ToLower(PieceToChar(p)));
6303 DrawPosition(FALSE, boards[currentMove]);
6307 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6308 if(clickType == Press
6309 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6310 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6311 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6314 autoQueen = appData.alwaysPromoteToQueen;
6317 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE)) {
6318 if (clickType == Press) {
6320 if (OKToStartUserMove(x, y)) {
6324 MarkTargetSquares(0);
6325 DragPieceBegin(xPix, yPix); dragging = 1;
6326 if (appData.highlightDragging) {
6327 SetHighlights(x, y, -1, -1);
6330 } else if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6331 DragPieceEnd(xPix, yPix); dragging = 0;
6332 DrawPosition(FALSE, NULL);
6339 if (clickType == Press && gameMode != EditPosition) {
6344 // ignore off-board to clicks
6345 if(y < 0 || x < 0) return;
6347 /* Check if clicking again on the same color piece */
6348 fromP = boards[currentMove][fromY][fromX];
6349 toP = boards[currentMove][y][x];
6350 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom;
6351 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6352 WhitePawn <= toP && toP <= WhiteKing &&
6353 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6354 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6355 (BlackPawn <= fromP && fromP <= BlackKing &&
6356 BlackPawn <= toP && toP <= BlackKing &&
6357 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6358 !(fromP == BlackKing && toP == BlackRook && frc))) {
6359 /* Clicked again on same color piece -- changed his mind */
6360 second = (x == fromX && y == fromY);
6361 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6362 if (appData.highlightDragging) {
6363 SetHighlights(x, y, -1, -1);
6367 if (OKToStartUserMove(x, y)) {
6369 fromY = y; dragging = 1;
6370 MarkTargetSquares(0);
6371 DragPieceBegin(xPix, yPix);
6376 // ignore clicks on holdings
6377 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6380 if (clickType == Release && x == fromX && y == fromY) {
6381 DragPieceEnd(xPix, yPix); dragging = 0;
6382 if (appData.animateDragging) {
6383 /* Undo animation damage if any */
6384 DrawPosition(FALSE, NULL);
6387 /* Second up/down in same square; just abort move */
6392 ClearPremoveHighlights();
6394 /* First upclick in same square; start click-click mode */
6395 SetHighlights(x, y, -1, -1);
6400 /* we now have a different from- and (possibly off-board) to-square */
6401 /* Completed move */
6404 saveAnimate = appData.animate;
6405 if (clickType == Press) {
6406 /* Finish clickclick move */
6407 if (appData.animate || appData.highlightLastMove) {
6408 SetHighlights(fromX, fromY, toX, toY);
6413 /* Finish drag move */
6414 if (appData.highlightLastMove) {
6415 SetHighlights(fromX, fromY, toX, toY);
6419 DragPieceEnd(xPix, yPix); dragging = 0;
6420 /* Don't animate move and drag both */
6421 appData.animate = FALSE;
6424 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
6425 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
6426 ChessSquare piece = boards[currentMove][fromY][fromX];
6427 if(gameMode == EditPosition && piece != EmptySquare &&
6428 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
6431 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
6432 n = PieceToNumber(piece - (int)BlackPawn);
6433 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
6434 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
6435 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
6437 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
6438 n = PieceToNumber(piece);
6439 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
6440 boards[currentMove][n][BOARD_WIDTH-1] = piece;
6441 boards[currentMove][n][BOARD_WIDTH-2]++;
6443 boards[currentMove][fromY][fromX] = EmptySquare;
6447 DrawPosition(TRUE, boards[currentMove]);
6451 // off-board moves should not be highlighted
6452 if(x < 0 || x < 0) ClearHighlights();
6454 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
6455 SetHighlights(fromX, fromY, toX, toY);
6456 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6457 // [HGM] super: promotion to captured piece selected from holdings
6458 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
6459 promotionChoice = TRUE;
6460 // kludge follows to temporarily execute move on display, without promoting yet
6461 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
6462 boards[currentMove][toY][toX] = p;
6463 DrawPosition(FALSE, boards[currentMove]);
6464 boards[currentMove][fromY][fromX] = p; // take back, but display stays
6465 boards[currentMove][toY][toX] = q;
6466 DisplayMessage("Click in holdings to choose piece", "");
6471 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
6472 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
6473 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
6476 appData.animate = saveAnimate;
6477 if (appData.animate || appData.animateDragging) {
6478 /* Undo animation damage if needed */
6479 DrawPosition(FALSE, NULL);
6483 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
6484 { // front-end-free part taken out of PieceMenuPopup
6485 int whichMenu; int xSqr, ySqr;
6487 if(seekGraphUp) { // [HGM] seekgraph
6488 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
6489 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
6493 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
6494 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
6495 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
6496 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
6497 if(action == Press) {
6498 originalFlip = flipView;
6499 flipView = !flipView; // temporarily flip board to see game from partners perspective
6500 DrawPosition(TRUE, partnerBoard);
6501 DisplayMessage(partnerStatus, "");
6503 } else if(action == Release) {
6504 flipView = originalFlip;
6505 DrawPosition(TRUE, boards[currentMove]);
6511 xSqr = EventToSquare(x, BOARD_WIDTH);
6512 ySqr = EventToSquare(y, BOARD_HEIGHT);
6513 if (action == Release) UnLoadPV(); // [HGM] pv
6514 if (action != Press) return -2; // return code to be ignored
6517 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
\r
6519 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
\r
6520 if (xSqr < 0 || ySqr < 0) return -1;
\r
6521 whichMenu = 0; // edit-position menu
6524 if(!appData.icsEngineAnalyze) return -1;
6525 case IcsPlayingWhite:
6526 case IcsPlayingBlack:
6527 if(!appData.zippyPlay) goto noZip;
6530 case MachinePlaysWhite:
6531 case MachinePlaysBlack:
6532 case TwoMachinesPlay: // [HGM] pv: use for showing PV
6533 if (!appData.dropMenu) {
6535 return 2; // flag front-end to grab mouse events
6537 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
6538 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
6541 if (xSqr < 0 || ySqr < 0) return -1;
6542 if (!appData.dropMenu || appData.testLegality &&
6543 gameInfo.variant != VariantBughouse &&
6544 gameInfo.variant != VariantCrazyhouse) return -1;
6545 whichMenu = 1; // drop menu
6551 if (((*fromX = xSqr) < 0) ||
6552 ((*fromY = ySqr) < 0)) {
6553 *fromX = *fromY = -1;
6557 *fromX = BOARD_WIDTH - 1 - *fromX;
6559 *fromY = BOARD_HEIGHT - 1 - *fromY;
6564 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
6566 // char * hint = lastHint;
6567 FrontEndProgramStats stats;
6569 stats.which = cps == &first ? 0 : 1;
6570 stats.depth = cpstats->depth;
6571 stats.nodes = cpstats->nodes;
6572 stats.score = cpstats->score;
6573 stats.time = cpstats->time;
6574 stats.pv = cpstats->movelist;
6575 stats.hint = lastHint;
6576 stats.an_move_index = 0;
6577 stats.an_move_count = 0;
6579 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
6580 stats.hint = cpstats->move_name;
6581 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
6582 stats.an_move_count = cpstats->nr_moves;
6585 if(stats.pv && stats.pv[0]) strcpy(lastPV[stats.which], stats.pv); // [HGM] pv: remember last PV of each
6587 SetProgramStats( &stats );
6591 Count(Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
6592 { // count all piece types
6594 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
6595 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
6596 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
6599 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
6600 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
6601 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
6602 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
6603 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
6604 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
6609 SufficientDefence(int pCnt[], int side, int nMine, int nHis)
6611 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
6612 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
6614 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
6615 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
6616 if(myPawns == 2 && nMine == 3) // KPP
6617 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
6618 if(myPawns == 1 && nMine == 2) // KP
6619 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
6620 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
6621 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
6622 if(myPawns) return FALSE;
6623 if(pCnt[WhiteRook+side])
6624 return pCnt[BlackRook-side] ||
6625 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
6626 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
6627 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
6628 if(pCnt[WhiteCannon+side]) {
6629 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
6630 return majorDefense || pCnt[BlackAlfil-side] >= 2;
6632 if(pCnt[WhiteKnight+side])
6633 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
6638 MatingPotential(int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
6640 VariantClass v = gameInfo.variant;
6642 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
6643 if(v == VariantShatranj) return TRUE; // always winnable through baring
6644 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
6645 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
6647 if(v == VariantXiangqi) {
6648 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
6650 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
6651 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
6652 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
6653 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
6654 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
6655 if(stale) // we have at least one last-rank P plus perhaps C
6656 return majors // KPKX
6657 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
6659 return pCnt[WhiteFerz+side] // KCAK
6660 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
6661 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
6662 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
6664 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
6665 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
6667 if(nMine == 1) return FALSE; // bare King
6668 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
6669 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
6670 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
6671 // by now we have King + 1 piece (or multiple Bishops on the same color)
6672 if(pCnt[WhiteKnight+side])
6673 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
6674 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
6675 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
6677 return (pCnt[BlackKnight-side]); // KBKN, KFKN
6678 if(pCnt[WhiteAlfil+side])
6679 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
6680 if(pCnt[WhiteWazir+side])
6681 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
6688 Adjudicate(ChessProgramState *cps)
6689 { // [HGM] some adjudications useful with buggy engines
6690 // [HGM] adjudicate: made into separate routine, which now can be called after every move
6691 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
6692 // Actually ending the game is now based on the additional internal condition canAdjudicate.
6693 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
6694 int k, count = 0; static int bare = 1;
6695 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
6696 Boolean canAdjudicate = !appData.icsActive;
6698 // most tests only when we understand the game, i.e. legality-checking on, and (for the time being) no piece drops
6699 if(gameInfo.holdingsSize == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6700 if( appData.testLegality )
6701 { /* [HGM] Some more adjudications for obstinate engines */
6702 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
6703 static int moveCount = 6;
6705 char *reason = NULL;
6707 /* Count what is on board. */
6708 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
6710 /* Some material-based adjudications that have to be made before stalemate test */
6711 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
6712 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
6713 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
6714 if(canAdjudicate && appData.checkMates) {
6716 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6717 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6718 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
6719 _("Xboard adjudication: King destroyed"), GE_XBOARD );
6724 /* Bare King in Shatranj (loses) or Losers (wins) */
6725 if( nrW == 1 || nrB == 1) {
6726 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
6727 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
6728 if(canAdjudicate && appData.checkMates) {
6730 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
6731 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6732 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6733 _("Xboard adjudication: Bare king"), GE_XBOARD );
6737 if( gameInfo.variant == VariantShatranj && --bare < 0)
6739 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
6740 if(canAdjudicate && appData.checkMates) {
6741 /* but only adjudicate if adjudication enabled */
6743 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6744 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6745 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
6746 _("Xboard adjudication: Bare king"), GE_XBOARD );
6753 // don't wait for engine to announce game end if we can judge ourselves
6754 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
6756 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
6757 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
6758 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
6759 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
6762 reason = _("Xboard adjudication: 3rd check");
6763 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
6773 reason = _("Xboard adjudication: Stalemate");
6774 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
6775 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
6776 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
6777 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
6778 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
6779 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
6780 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
6781 EP_CHECKMATE : EP_WINS);
6782 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
6783 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
6787 reason = _("Xboard adjudication: Checkmate");
6788 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
6792 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
6794 result = GameIsDrawn; break;
6796 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
6798 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
6800 result = (ChessMove) 0;
6802 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
6804 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6805 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6806 GameEnds( result, reason, GE_XBOARD );
6810 /* Next absolutely insufficient mating material. */
6811 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
6812 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
6813 { /* includes KBK, KNK, KK of KBKB with like Bishops */
6815 /* always flag draws, for judging claims */
6816 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
6818 if(canAdjudicate && appData.materialDraws) {
6819 /* but only adjudicate them if adjudication enabled */
6820 if(engineOpponent) {
6821 SendToProgram("force\n", engineOpponent); // suppress reply
6822 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
6824 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6825 GameEnds( GameIsDrawn, _("Xboard adjudication: Insufficient mating material"), GE_XBOARD );
6830 /* Then some trivial draws (only adjudicate, cannot be claimed) */
6831 if(gameInfo.variant == VariantXiangqi ?
6832 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
6834 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
6835 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
6836 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
6837 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
6839 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
6840 { /* if the first 3 moves do not show a tactical win, declare draw */
6841 if(engineOpponent) {
6842 SendToProgram("force\n", engineOpponent); // suppress reply
6843 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6845 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6846 GameEnds( GameIsDrawn, _("Xboard adjudication: Trivial draw"), GE_XBOARD );
6849 } else moveCount = 6;
6853 if (appData.debugMode) { int i;
6854 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
6855 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
6856 appData.drawRepeats);
6857 for( i=forwardMostMove; i>=backwardMostMove; i-- )
6858 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
6862 // Repetition draws and 50-move rule can be applied independently of legality testing
6864 /* Check for rep-draws */
6866 for(k = forwardMostMove-2;
6867 k>=backwardMostMove && k>=forwardMostMove-100 &&
6868 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
6869 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
6872 if(CompareBoards(boards[k], boards[forwardMostMove])) {
6873 /* compare castling rights */
6874 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
6875 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
6876 rights++; /* King lost rights, while rook still had them */
6877 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
6878 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
6879 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
6880 rights++; /* but at least one rook lost them */
6882 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
6883 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
6885 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
6886 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
6887 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
6890 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
6891 && appData.drawRepeats > 1) {
6892 /* adjudicate after user-specified nr of repeats */
6893 int result = GameIsDrawn;
6894 char *details = _("XBoard adjudication: repetition draw");
6895 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
6896 // [HGM] xiangqi: check for forbidden perpetuals
6897 int m, ourPerpetual = 1, hisPerpetual = 1;
6898 for(m=forwardMostMove; m>k; m-=2) {
6899 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
6900 ourPerpetual = 0; // the current mover did not always check
6901 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
6902 hisPerpetual = 0; // the opponent did not always check
6904 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
6905 ourPerpetual, hisPerpetual);
6906 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
6907 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
6908 details = _("Xboard adjudication: perpetual checking");
6910 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
6911 break; // (or we would have caught him before). Abort repetition-checking loop.
6913 // Now check for perpetual chases
6914 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
6915 hisPerpetual = PerpetualChase(k, forwardMostMove);
6916 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
6917 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
6918 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
6919 details = _("Xboard adjudication: perpetual chasing");
6921 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
6922 break; // Abort repetition-checking loop.
6924 // if neither of us is checking or chasing all the time, or both are, it is draw
6926 if(engineOpponent) {
6927 SendToProgram("force\n", engineOpponent); // suppress reply
6928 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6930 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6931 GameEnds( result, details, GE_XBOARD );
6934 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
6935 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
6939 /* Now we test for 50-move draws. Determine ply count */
6940 count = forwardMostMove;
6941 /* look for last irreversble move */
6942 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
6944 /* if we hit starting position, add initial plies */
6945 if( count == backwardMostMove )
6946 count -= initialRulePlies;
6947 count = forwardMostMove - count;
6948 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
6949 // adjust reversible move counter for checks in Xiangqi
6950 int i = forwardMostMove - count, inCheck = 0, lastCheck;
6951 if(i < backwardMostMove) i = backwardMostMove;
6952 while(i <= forwardMostMove) {
6953 lastCheck = inCheck; // check evasion does not count
6954 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
6955 if(inCheck || lastCheck) count--; // check does not count
6960 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
6961 /* this is used to judge if draw claims are legal */
6962 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
6963 if(engineOpponent) {
6964 SendToProgram("force\n", engineOpponent); // suppress reply
6965 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6967 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6968 GameEnds( GameIsDrawn, _("Xboard adjudication: 50-move rule"), GE_XBOARD );
6972 /* if draw offer is pending, treat it as a draw claim
6973 * when draw condition present, to allow engines a way to
6974 * claim draws before making their move to avoid a race
6975 * condition occurring after their move
6977 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
6979 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
6980 p = "Draw claim: 50-move rule";
6981 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
6982 p = "Draw claim: 3-fold repetition";
6983 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
6984 p = "Draw claim: insufficient mating material";
6985 if( p != NULL && canAdjudicate) {
6986 if(engineOpponent) {
6987 SendToProgram("force\n", engineOpponent); // suppress reply
6988 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6990 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6991 GameEnds( GameIsDrawn, p, GE_XBOARD );
6996 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
6997 if(engineOpponent) {
6998 SendToProgram("force\n", engineOpponent); // suppress reply
6999 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7001 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7002 GameEnds( GameIsDrawn, _("Xboard adjudication: long game"), GE_XBOARD );
7008 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
7009 { // [HGM] book: this routine intercepts moves to simulate book replies
7010 char *bookHit = NULL;
7012 //first determine if the incoming move brings opponent into his book
7013 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7014 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7015 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7016 if(bookHit != NULL && !cps->bookSuspend) {
7017 // make sure opponent is not going to reply after receiving move to book position
7018 SendToProgram("force\n", cps);
7019 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7021 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7022 // now arrange restart after book miss
7024 // after a book hit we never send 'go', and the code after the call to this routine
7025 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7027 sprintf(buf, "%s%s\n", (cps->useUsermove ? "usermove " : ""), bookHit); // force book move into program supposed to play it
7028 SendToProgram(buf, cps);
7029 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7030 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7031 SendToProgram("go\n", cps);
7032 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7033 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7034 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7035 SendToProgram("go\n", cps);
7036 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7038 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7042 ChessProgramState *savedState;
7043 void DeferredBookMove(void)
7045 if(savedState->lastPing != savedState->lastPong)
7046 ScheduleDelayedEvent(DeferredBookMove, 10);
7048 HandleMachineMove(savedMessage, savedState);
7052 HandleMachineMove(message, cps)
7054 ChessProgramState *cps;
7056 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7057 char realname[MSG_SIZ];
7058 int fromX, fromY, toX, toY;
7067 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7069 * Kludge to ignore BEL characters
7071 while (*message == '\007') message++;
7074 * [HGM] engine debug message: ignore lines starting with '#' character
7076 if(cps->debug && *message == '#') return;
7079 * Look for book output
7081 if (cps == &first && bookRequested) {
7082 if (message[0] == '\t' || message[0] == ' ') {
7083 /* Part of the book output is here; append it */
7084 strcat(bookOutput, message);
7085 strcat(bookOutput, " \n");
7087 } else if (bookOutput[0] != NULLCHAR) {
7088 /* All of book output has arrived; display it */
7089 char *p = bookOutput;
7090 while (*p != NULLCHAR) {
7091 if (*p == '\t') *p = ' ';
7094 DisplayInformation(bookOutput);
7095 bookRequested = FALSE;
7096 /* Fall through to parse the current output */
7101 * Look for machine move.
7103 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7104 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7106 /* This method is only useful on engines that support ping */
7107 if (cps->lastPing != cps->lastPong) {
7108 if (gameMode == BeginningOfGame) {
7109 /* Extra move from before last new; ignore */
7110 if (appData.debugMode) {
7111 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7114 if (appData.debugMode) {
7115 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7116 cps->which, gameMode);
7119 SendToProgram("undo\n", cps);
7125 case BeginningOfGame:
7126 /* Extra move from before last reset; ignore */
7127 if (appData.debugMode) {
7128 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7135 /* Extra move after we tried to stop. The mode test is
7136 not a reliable way of detecting this problem, but it's
7137 the best we can do on engines that don't support ping.
7139 if (appData.debugMode) {
7140 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7141 cps->which, gameMode);
7143 SendToProgram("undo\n", cps);
7146 case MachinePlaysWhite:
7147 case IcsPlayingWhite:
7148 machineWhite = TRUE;
7151 case MachinePlaysBlack:
7152 case IcsPlayingBlack:
7153 machineWhite = FALSE;
7156 case TwoMachinesPlay:
7157 machineWhite = (cps->twoMachinesColor[0] == 'w');
7160 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7161 if (appData.debugMode) {
7163 "Ignoring move out of turn by %s, gameMode %d"
7164 ", forwardMost %d\n",
7165 cps->which, gameMode, forwardMostMove);
7170 if (appData.debugMode) { int f = forwardMostMove;
7171 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7172 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7173 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7175 if(cps->alphaRank) AlphaRank(machineMove, 4);
7176 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7177 &fromX, &fromY, &toX, &toY, &promoChar)) {
7178 /* Machine move could not be parsed; ignore it. */
7179 sprintf(buf1, _("Illegal move \"%s\" from %s machine"),
7180 machineMove, cps->which);
7181 DisplayError(buf1, 0);
7182 sprintf(buf1, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7183 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7184 if (gameMode == TwoMachinesPlay) {
7185 GameEnds(machineWhite ? BlackWins : WhiteWins,
7191 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7192 /* So we have to redo legality test with true e.p. status here, */
7193 /* to make sure an illegal e.p. capture does not slip through, */
7194 /* to cause a forfeit on a justified illegal-move complaint */
7195 /* of the opponent. */
7196 if( gameMode==TwoMachinesPlay && appData.testLegality
7197 && fromY != DROP_RANK /* [HGM] temporary; should still add legality test for drops */
7200 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7201 fromY, fromX, toY, toX, promoChar);
7202 if (appData.debugMode) {
7204 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7205 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7206 fprintf(debugFP, "castling rights\n");
7208 if(moveType == IllegalMove) {
7209 sprintf(buf1, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7210 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7211 GameEnds(machineWhite ? BlackWins : WhiteWins,
7214 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7215 /* [HGM] Kludge to handle engines that send FRC-style castling
7216 when they shouldn't (like TSCP-Gothic) */
7218 case WhiteASideCastleFR:
7219 case BlackASideCastleFR:
7221 currentMoveString[2]++;
7223 case WhiteHSideCastleFR:
7224 case BlackHSideCastleFR:
7226 currentMoveString[2]--;
7228 default: ; // nothing to do, but suppresses warning of pedantic compilers
7231 hintRequested = FALSE;
7232 lastHint[0] = NULLCHAR;
7233 bookRequested = FALSE;
7234 /* Program may be pondering now */
7235 cps->maybeThinking = TRUE;
7236 if (cps->sendTime == 2) cps->sendTime = 1;
7237 if (cps->offeredDraw) cps->offeredDraw--;
7239 /* currentMoveString is set as a side-effect of ParseOneMove */
7240 strcpy(machineMove, currentMoveString);
7241 strcat(machineMove, "\n");
7242 strcpy(moveList[forwardMostMove], machineMove);
7244 /* [AS] Save move info*/
7245 pvInfoList[ forwardMostMove ].score = programStats.score;
7246 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7247 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7249 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7251 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7252 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7255 while( count < adjudicateLossPlies ) {
7256 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7259 score = -score; /* Flip score for winning side */
7262 if( score > adjudicateLossThreshold ) {
7269 if( count >= adjudicateLossPlies ) {
7270 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7272 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7273 _("Xboard adjudication"),
7280 if(Adjudicate(cps)) return; // [HGM] adjudicate: for all automatic game ends
7283 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7285 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7286 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7288 SendMoveToICS(moveType, fromX, fromY, toX, toY);
7290 SendMoveToICS(moveType, fromX, fromY, toX, toY);
7292 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
7293 char buf[3*MSG_SIZ];
7295 sprintf(buf, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
7296 programStats.score / 100.,
7298 programStats.time / 100.,
7299 (unsigned int)programStats.nodes,
7300 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
7301 programStats.movelist);
7303 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
7308 /* [AS] Clear stats for next move */
7309 ClearProgramStats();
7310 thinkOutput[0] = NULLCHAR;
7311 hiddenThinkOutputState = 0;
7314 if (gameMode == TwoMachinesPlay) {
7315 /* [HGM] relaying draw offers moved to after reception of move */
7316 /* and interpreting offer as claim if it brings draw condition */
7317 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
7318 SendToProgram("draw\n", cps->other);
7320 if (cps->other->sendTime) {
7321 SendTimeRemaining(cps->other,
7322 cps->other->twoMachinesColor[0] == 'w');
7324 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
7325 if (firstMove && !bookHit) {
7327 if (cps->other->useColors) {
7328 SendToProgram(cps->other->twoMachinesColor, cps->other);
7330 SendToProgram("go\n", cps->other);
7332 cps->other->maybeThinking = TRUE;
7335 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7337 if (!pausing && appData.ringBellAfterMoves) {
7342 * Reenable menu items that were disabled while
7343 * machine was thinking
7345 if (gameMode != TwoMachinesPlay)
7346 SetUserThinkingEnables();
7348 // [HGM] book: after book hit opponent has received move and is now in force mode
7349 // force the book reply into it, and then fake that it outputted this move by jumping
7350 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
7352 static char bookMove[MSG_SIZ]; // a bit generous?
7354 strcpy(bookMove, "move ");
7355 strcat(bookMove, bookHit);
7358 programStats.nodes = programStats.depth = programStats.time =
7359 programStats.score = programStats.got_only_move = 0;
7360 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7362 if(cps->lastPing != cps->lastPong) {
7363 savedMessage = message; // args for deferred call
7365 ScheduleDelayedEvent(DeferredBookMove, 10);
7374 /* Set special modes for chess engines. Later something general
7375 * could be added here; for now there is just one kludge feature,
7376 * needed because Crafty 15.10 and earlier don't ignore SIGINT
7377 * when "xboard" is given as an interactive command.
7379 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
7380 cps->useSigint = FALSE;
7381 cps->useSigterm = FALSE;
7383 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
7384 ParseFeatures(message+8, cps);
7385 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
7388 /* [HGM] Allow engine to set up a position. Don't ask me why one would
7389 * want this, I was asked to put it in, and obliged.
7391 if (!strncmp(message, "setboard ", 9)) {
7392 Board initial_position;
7394 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
7396 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
7397 DisplayError(_("Bad FEN received from engine"), 0);
7401 CopyBoard(boards[0], initial_position);
7402 initialRulePlies = FENrulePlies;
7403 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
7404 else gameMode = MachinePlaysBlack;
7405 DrawPosition(FALSE, boards[currentMove]);
7411 * Look for communication commands
7413 if (!strncmp(message, "telluser ", 9)) {
7414 EscapeExpand(message+9, message+9); // [HGM] esc: allow escape sequences in popup box
7415 DisplayNote(message + 9);
7418 if (!strncmp(message, "tellusererror ", 14)) {
7420 EscapeExpand(message+14, message+14); // [HGM] esc: allow escape sequences in popup box
7421 DisplayError(message + 14, 0);
7424 if (!strncmp(message, "tellopponent ", 13)) {
7425 if (appData.icsActive) {
7427 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
7431 DisplayNote(message + 13);
7435 if (!strncmp(message, "tellothers ", 11)) {
7436 if (appData.icsActive) {
7438 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
7444 if (!strncmp(message, "tellall ", 8)) {
7445 if (appData.icsActive) {
7447 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
7451 DisplayNote(message + 8);
7455 if (strncmp(message, "warning", 7) == 0) {
7456 /* Undocumented feature, use tellusererror in new code */
7457 DisplayError(message, 0);
7460 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
7461 strcpy(realname, cps->tidy);
7462 strcat(realname, " query");
7463 AskQuestion(realname, buf2, buf1, cps->pr);
7466 /* Commands from the engine directly to ICS. We don't allow these to be
7467 * sent until we are logged on. Crafty kibitzes have been known to
7468 * interfere with the login process.
7471 if (!strncmp(message, "tellics ", 8)) {
7472 SendToICS(message + 8);
7476 if (!strncmp(message, "tellicsnoalias ", 15)) {
7477 SendToICS(ics_prefix);
7478 SendToICS(message + 15);
7482 /* The following are for backward compatibility only */
7483 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
7484 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
7485 SendToICS(ics_prefix);
7491 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
7495 * If the move is illegal, cancel it and redraw the board.
7496 * Also deal with other error cases. Matching is rather loose
7497 * here to accommodate engines written before the spec.
7499 if (strncmp(message + 1, "llegal move", 11) == 0 ||
7500 strncmp(message, "Error", 5) == 0) {
7501 if (StrStr(message, "name") ||
7502 StrStr(message, "rating") || StrStr(message, "?") ||
7503 StrStr(message, "result") || StrStr(message, "board") ||
7504 StrStr(message, "bk") || StrStr(message, "computer") ||
7505 StrStr(message, "variant") || StrStr(message, "hint") ||
7506 StrStr(message, "random") || StrStr(message, "depth") ||
7507 StrStr(message, "accepted")) {
7510 if (StrStr(message, "protover")) {
7511 /* Program is responding to input, so it's apparently done
7512 initializing, and this error message indicates it is
7513 protocol version 1. So we don't need to wait any longer
7514 for it to initialize and send feature commands. */
7515 FeatureDone(cps, 1);
7516 cps->protocolVersion = 1;
7519 cps->maybeThinking = FALSE;
7521 if (StrStr(message, "draw")) {
7522 /* Program doesn't have "draw" command */
7523 cps->sendDrawOffers = 0;
7526 if (cps->sendTime != 1 &&
7527 (StrStr(message, "time") || StrStr(message, "otim"))) {
7528 /* Program apparently doesn't have "time" or "otim" command */
7532 if (StrStr(message, "analyze")) {
7533 cps->analysisSupport = FALSE;
7534 cps->analyzing = FALSE;
7536 sprintf(buf2, _("%s does not support analysis"), cps->tidy);
7537 DisplayError(buf2, 0);
7540 if (StrStr(message, "(no matching move)st")) {
7541 /* Special kludge for GNU Chess 4 only */
7542 cps->stKludge = TRUE;
7543 SendTimeControl(cps, movesPerSession, timeControl,
7544 timeIncrement, appData.searchDepth,
7548 if (StrStr(message, "(no matching move)sd")) {
7549 /* Special kludge for GNU Chess 4 only */
7550 cps->sdKludge = TRUE;
7551 SendTimeControl(cps, movesPerSession, timeControl,
7552 timeIncrement, appData.searchDepth,
7556 if (!StrStr(message, "llegal")) {
7559 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7560 gameMode == IcsIdle) return;
7561 if (forwardMostMove <= backwardMostMove) return;
7562 if (pausing) PauseEvent();
7563 if(appData.forceIllegal) {
7564 // [HGM] illegal: machine refused move; force position after move into it
7565 SendToProgram("force\n", cps);
7566 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
7567 // we have a real problem now, as SendBoard will use the a2a3 kludge
7568 // when black is to move, while there might be nothing on a2 or black
7569 // might already have the move. So send the board as if white has the move.
7570 // But first we must change the stm of the engine, as it refused the last move
7571 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
7572 if(WhiteOnMove(forwardMostMove)) {
7573 SendToProgram("a7a6\n", cps); // for the engine black still had the move
7574 SendBoard(cps, forwardMostMove); // kludgeless board
7576 SendToProgram("a2a3\n", cps); // for the engine white still had the move
7577 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7578 SendBoard(cps, forwardMostMove+1); // kludgeless board
7580 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
7581 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
7582 gameMode == TwoMachinesPlay)
7583 SendToProgram("go\n", cps);
7586 if (gameMode == PlayFromGameFile) {
7587 /* Stop reading this game file */
7588 gameMode = EditGame;
7591 currentMove = forwardMostMove-1;
7592 DisplayMove(currentMove-1); /* before DisplayMoveError */
7593 SwitchClocks(forwardMostMove-1); // [HGM] race
7594 DisplayBothClocks();
7595 sprintf(buf1, _("Illegal move \"%s\" (rejected by %s chess program)"),
7596 parseList[currentMove], cps->which);
7597 DisplayMoveError(buf1);
7598 DrawPosition(FALSE, boards[currentMove]);
7600 /* [HGM] illegal-move claim should forfeit game when Xboard */
7601 /* only passes fully legal moves */
7602 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
7603 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
7604 "False illegal-move claim", GE_XBOARD );
7608 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
7609 /* Program has a broken "time" command that
7610 outputs a string not ending in newline.
7616 * If chess program startup fails, exit with an error message.
7617 * Attempts to recover here are futile.
7619 if ((StrStr(message, "unknown host") != NULL)
7620 || (StrStr(message, "No remote directory") != NULL)
7621 || (StrStr(message, "not found") != NULL)
7622 || (StrStr(message, "No such file") != NULL)
7623 || (StrStr(message, "can't alloc") != NULL)
7624 || (StrStr(message, "Permission denied") != NULL)) {
7626 cps->maybeThinking = FALSE;
7627 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
7628 cps->which, cps->program, cps->host, message);
7629 RemoveInputSource(cps->isr);
7630 DisplayFatalError(buf1, 0, 1);
7635 * Look for hint output
7637 if (sscanf(message, "Hint: %s", buf1) == 1) {
7638 if (cps == &first && hintRequested) {
7639 hintRequested = FALSE;
7640 if (ParseOneMove(buf1, forwardMostMove, &moveType,
7641 &fromX, &fromY, &toX, &toY, &promoChar)) {
7642 (void) CoordsToAlgebraic(boards[forwardMostMove],
7643 PosFlags(forwardMostMove),
7644 fromY, fromX, toY, toX, promoChar, buf1);
7645 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
7646 DisplayInformation(buf2);
7648 /* Hint move could not be parsed!? */
7649 snprintf(buf2, sizeof(buf2),
7650 _("Illegal hint move \"%s\"\nfrom %s chess program"),
7652 DisplayError(buf2, 0);
7655 strcpy(lastHint, buf1);
7661 * Ignore other messages if game is not in progress
7663 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7664 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
7667 * look for win, lose, draw, or draw offer
7669 if (strncmp(message, "1-0", 3) == 0) {
7670 char *p, *q, *r = "";
7671 p = strchr(message, '{');
7679 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
7681 } else if (strncmp(message, "0-1", 3) == 0) {
7682 char *p, *q, *r = "";
7683 p = strchr(message, '{');
7691 /* Kludge for Arasan 4.1 bug */
7692 if (strcmp(r, "Black resigns") == 0) {
7693 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
7696 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
7698 } else if (strncmp(message, "1/2", 3) == 0) {
7699 char *p, *q, *r = "";
7700 p = strchr(message, '{');
7709 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
7712 } else if (strncmp(message, "White resign", 12) == 0) {
7713 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7715 } else if (strncmp(message, "Black resign", 12) == 0) {
7716 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7718 } else if (strncmp(message, "White matches", 13) == 0 ||
7719 strncmp(message, "Black matches", 13) == 0 ) {
7720 /* [HGM] ignore GNUShogi noises */
7722 } else if (strncmp(message, "White", 5) == 0 &&
7723 message[5] != '(' &&
7724 StrStr(message, "Black") == NULL) {
7725 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7727 } else if (strncmp(message, "Black", 5) == 0 &&
7728 message[5] != '(') {
7729 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7731 } else if (strcmp(message, "resign") == 0 ||
7732 strcmp(message, "computer resigns") == 0) {
7734 case MachinePlaysBlack:
7735 case IcsPlayingBlack:
7736 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
7738 case MachinePlaysWhite:
7739 case IcsPlayingWhite:
7740 GameEnds(BlackWins, "White resigns", GE_ENGINE);
7742 case TwoMachinesPlay:
7743 if (cps->twoMachinesColor[0] == 'w')
7744 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7746 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7753 } else if (strncmp(message, "opponent mates", 14) == 0) {
7755 case MachinePlaysBlack:
7756 case IcsPlayingBlack:
7757 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7759 case MachinePlaysWhite:
7760 case IcsPlayingWhite:
7761 GameEnds(BlackWins, "Black mates", GE_ENGINE);
7763 case TwoMachinesPlay:
7764 if (cps->twoMachinesColor[0] == 'w')
7765 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7767 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7774 } else if (strncmp(message, "computer mates", 14) == 0) {
7776 case MachinePlaysBlack:
7777 case IcsPlayingBlack:
7778 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
7780 case MachinePlaysWhite:
7781 case IcsPlayingWhite:
7782 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7784 case TwoMachinesPlay:
7785 if (cps->twoMachinesColor[0] == 'w')
7786 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7788 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7795 } else if (strncmp(message, "checkmate", 9) == 0) {
7796 if (WhiteOnMove(forwardMostMove)) {
7797 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7799 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7802 } else if (strstr(message, "Draw") != NULL ||
7803 strstr(message, "game is a draw") != NULL) {
7804 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
7806 } else if (strstr(message, "offer") != NULL &&
7807 strstr(message, "draw") != NULL) {
7809 if (appData.zippyPlay && first.initDone) {
7810 /* Relay offer to ICS */
7811 SendToICS(ics_prefix);
7812 SendToICS("draw\n");
7815 cps->offeredDraw = 2; /* valid until this engine moves twice */
7816 if (gameMode == TwoMachinesPlay) {
7817 if (cps->other->offeredDraw) {
7818 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7819 /* [HGM] in two-machine mode we delay relaying draw offer */
7820 /* until after we also have move, to see if it is really claim */
7822 } else if (gameMode == MachinePlaysWhite ||
7823 gameMode == MachinePlaysBlack) {
7824 if (userOfferedDraw) {
7825 DisplayInformation(_("Machine accepts your draw offer"));
7826 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7828 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
7835 * Look for thinking output
7837 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
7838 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7840 int plylev, mvleft, mvtot, curscore, time;
7841 char mvname[MOVE_LEN];
7845 int prefixHint = FALSE;
7846 mvname[0] = NULLCHAR;
7849 case MachinePlaysBlack:
7850 case IcsPlayingBlack:
7851 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7853 case MachinePlaysWhite:
7854 case IcsPlayingWhite:
7855 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7860 case IcsObserving: /* [DM] icsEngineAnalyze */
7861 if (!appData.icsEngineAnalyze) ignore = TRUE;
7863 case TwoMachinesPlay:
7864 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
7874 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
7876 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7877 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
7879 if (plyext != ' ' && plyext != '\t') {
7883 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7884 if( cps->scoreIsAbsolute &&
7885 ( gameMode == MachinePlaysBlack ||
7886 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
7887 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
7888 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
7889 !WhiteOnMove(currentMove)
7892 curscore = -curscore;
7896 tempStats.depth = plylev;
7897 tempStats.nodes = nodes;
7898 tempStats.time = time;
7899 tempStats.score = curscore;
7900 tempStats.got_only_move = 0;
7902 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
7905 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
7906 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
7907 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
7908 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
7909 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
7910 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
7911 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
7912 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
7915 /* Buffer overflow protection */
7916 if (buf1[0] != NULLCHAR) {
7917 if (strlen(buf1) >= sizeof(tempStats.movelist)
7918 && appData.debugMode) {
7920 "PV is too long; using the first %u bytes.\n",
7921 (unsigned) sizeof(tempStats.movelist) - 1);
7924 safeStrCpy( tempStats.movelist, buf1, sizeof(tempStats.movelist) );
7926 sprintf(tempStats.movelist, " no PV\n");
7929 if (tempStats.seen_stat) {
7930 tempStats.ok_to_send = 1;
7933 if (strchr(tempStats.movelist, '(') != NULL) {
7934 tempStats.line_is_book = 1;
7935 tempStats.nr_moves = 0;
7936 tempStats.moves_left = 0;
7938 tempStats.line_is_book = 0;
7941 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
7942 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
7944 SendProgramStatsToFrontend( cps, &tempStats );
7947 [AS] Protect the thinkOutput buffer from overflow... this
7948 is only useful if buf1 hasn't overflowed first!
7950 sprintf(thinkOutput, "[%d]%c%+.2f %s%s",
7952 (gameMode == TwoMachinesPlay ?
7953 ToUpper(cps->twoMachinesColor[0]) : ' '),
7954 ((double) curscore) / 100.0,
7955 prefixHint ? lastHint : "",
7956 prefixHint ? " " : "" );
7958 if( buf1[0] != NULLCHAR ) {
7959 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
7961 if( strlen(buf1) > max_len ) {
7962 if( appData.debugMode) {
7963 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
7965 buf1[max_len+1] = '\0';
7968 strcat( thinkOutput, buf1 );
7971 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
7972 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7973 DisplayMove(currentMove - 1);
7977 } else if ((p=StrStr(message, "(only move)")) != NULL) {
7978 /* crafty (9.25+) says "(only move) <move>"
7979 * if there is only 1 legal move
7981 sscanf(p, "(only move) %s", buf1);
7982 sprintf(thinkOutput, "%s (only move)", buf1);
7983 sprintf(programStats.movelist, "%s (only move)", buf1);
7984 programStats.depth = 1;
7985 programStats.nr_moves = 1;
7986 programStats.moves_left = 1;
7987 programStats.nodes = 1;
7988 programStats.time = 1;
7989 programStats.got_only_move = 1;
7991 /* Not really, but we also use this member to
7992 mean "line isn't going to change" (Crafty
7993 isn't searching, so stats won't change) */
7994 programStats.line_is_book = 1;
7996 SendProgramStatsToFrontend( cps, &programStats );
7998 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
7999 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8000 DisplayMove(currentMove - 1);
8003 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8004 &time, &nodes, &plylev, &mvleft,
8005 &mvtot, mvname) >= 5) {
8006 /* The stat01: line is from Crafty (9.29+) in response
8007 to the "." command */
8008 programStats.seen_stat = 1;
8009 cps->maybeThinking = TRUE;
8011 if (programStats.got_only_move || !appData.periodicUpdates)
8014 programStats.depth = plylev;
8015 programStats.time = time;
8016 programStats.nodes = nodes;
8017 programStats.moves_left = mvleft;
8018 programStats.nr_moves = mvtot;
8019 strcpy(programStats.move_name, mvname);
8020 programStats.ok_to_send = 1;
8021 programStats.movelist[0] = '\0';
8023 SendProgramStatsToFrontend( cps, &programStats );
8027 } else if (strncmp(message,"++",2) == 0) {
8028 /* Crafty 9.29+ outputs this */
8029 programStats.got_fail = 2;
8032 } else if (strncmp(message,"--",2) == 0) {
8033 /* Crafty 9.29+ outputs this */
8034 programStats.got_fail = 1;
8037 } else if (thinkOutput[0] != NULLCHAR &&
8038 strncmp(message, " ", 4) == 0) {
8039 unsigned message_len;
8042 while (*p && *p == ' ') p++;
8044 message_len = strlen( p );
8046 /* [AS] Avoid buffer overflow */
8047 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8048 strcat(thinkOutput, " ");
8049 strcat(thinkOutput, p);
8052 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8053 strcat(programStats.movelist, " ");
8054 strcat(programStats.movelist, p);
8057 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8058 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8059 DisplayMove(currentMove - 1);
8067 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8068 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8070 ChessProgramStats cpstats;
8072 if (plyext != ' ' && plyext != '\t') {
8076 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8077 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8078 curscore = -curscore;
8081 cpstats.depth = plylev;
8082 cpstats.nodes = nodes;
8083 cpstats.time = time;
8084 cpstats.score = curscore;
8085 cpstats.got_only_move = 0;
8086 cpstats.movelist[0] = '\0';
8088 if (buf1[0] != NULLCHAR) {
8089 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist) );
8092 cpstats.ok_to_send = 0;
8093 cpstats.line_is_book = 0;
8094 cpstats.nr_moves = 0;
8095 cpstats.moves_left = 0;
8097 SendProgramStatsToFrontend( cps, &cpstats );
8104 /* Parse a game score from the character string "game", and
8105 record it as the history of the current game. The game
8106 score is NOT assumed to start from the standard position.
8107 The display is not updated in any way.
8110 ParseGameHistory(game)
8114 int fromX, fromY, toX, toY, boardIndex;
8119 if (appData.debugMode)
8120 fprintf(debugFP, "Parsing game history: %s\n", game);
8122 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8123 gameInfo.site = StrSave(appData.icsHost);
8124 gameInfo.date = PGNDate();
8125 gameInfo.round = StrSave("-");
8127 /* Parse out names of players */
8128 while (*game == ' ') game++;
8130 while (*game != ' ') *p++ = *game++;
8132 gameInfo.white = StrSave(buf);
8133 while (*game == ' ') game++;
8135 while (*game != ' ' && *game != '\n') *p++ = *game++;
8137 gameInfo.black = StrSave(buf);
8140 boardIndex = blackPlaysFirst ? 1 : 0;
8143 yyboardindex = boardIndex;
8144 moveType = (ChessMove) yylex();
8146 case IllegalMove: /* maybe suicide chess, etc. */
8147 if (appData.debugMode) {
8148 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8149 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8150 setbuf(debugFP, NULL);
8152 case WhitePromotionChancellor:
8153 case BlackPromotionChancellor:
8154 case WhitePromotionArchbishop:
8155 case BlackPromotionArchbishop:
8156 case WhitePromotionQueen:
8157 case BlackPromotionQueen:
8158 case WhitePromotionRook:
8159 case BlackPromotionRook:
8160 case WhitePromotionBishop:
8161 case BlackPromotionBishop:
8162 case WhitePromotionKnight:
8163 case BlackPromotionKnight:
8164 case WhitePromotionKing:
8165 case BlackPromotionKing:
8167 case WhiteCapturesEnPassant:
8168 case BlackCapturesEnPassant:
8169 case WhiteKingSideCastle:
8170 case WhiteQueenSideCastle:
8171 case BlackKingSideCastle:
8172 case BlackQueenSideCastle:
8173 case WhiteKingSideCastleWild:
8174 case WhiteQueenSideCastleWild:
8175 case BlackKingSideCastleWild:
8176 case BlackQueenSideCastleWild:
8178 case WhiteHSideCastleFR:
8179 case WhiteASideCastleFR:
8180 case BlackHSideCastleFR:
8181 case BlackASideCastleFR:
8183 fromX = currentMoveString[0] - AAA;
8184 fromY = currentMoveString[1] - ONE;
8185 toX = currentMoveString[2] - AAA;
8186 toY = currentMoveString[3] - ONE;
8187 promoChar = currentMoveString[4];
8191 fromX = moveType == WhiteDrop ?
8192 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8193 (int) CharToPiece(ToLower(currentMoveString[0]));
8195 toX = currentMoveString[2] - AAA;
8196 toY = currentMoveString[3] - ONE;
8197 promoChar = NULLCHAR;
8201 sprintf(buf, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8202 if (appData.debugMode) {
8203 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8204 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8205 setbuf(debugFP, NULL);
8207 DisplayError(buf, 0);
8209 case ImpossibleMove:
8211 sprintf(buf, _("Illegal move in ICS output: \"%s\""), yy_text);
8212 if (appData.debugMode) {
8213 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8214 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8215 setbuf(debugFP, NULL);
8217 DisplayError(buf, 0);
8219 case (ChessMove) 0: /* end of file */
8220 if (boardIndex < backwardMostMove) {
8221 /* Oops, gap. How did that happen? */
8222 DisplayError(_("Gap in move list"), 0);
8225 backwardMostMove = blackPlaysFirst ? 1 : 0;
8226 if (boardIndex > forwardMostMove) {
8227 forwardMostMove = boardIndex;
8231 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8232 strcat(parseList[boardIndex-1], " ");
8233 strcat(parseList[boardIndex-1], yy_text);
8245 case GameUnfinished:
8246 if (gameMode == IcsExamining) {
8247 if (boardIndex < backwardMostMove) {
8248 /* Oops, gap. How did that happen? */
8251 backwardMostMove = blackPlaysFirst ? 1 : 0;
8254 gameInfo.result = moveType;
8255 p = strchr(yy_text, '{');
8256 if (p == NULL) p = strchr(yy_text, '(');
8259 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8261 q = strchr(p, *p == '{' ? '}' : ')');
8262 if (q != NULL) *q = NULLCHAR;
8265 gameInfo.resultDetails = StrSave(p);
8268 if (boardIndex >= forwardMostMove &&
8269 !(gameMode == IcsObserving && ics_gamenum == -1)) {
8270 backwardMostMove = blackPlaysFirst ? 1 : 0;
8273 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
8274 fromY, fromX, toY, toX, promoChar,
8275 parseList[boardIndex]);
8276 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
8277 /* currentMoveString is set as a side-effect of yylex */
8278 strcpy(moveList[boardIndex], currentMoveString);
8279 strcat(moveList[boardIndex], "\n");
8281 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
8282 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
8288 if(gameInfo.variant != VariantShogi)
8289 strcat(parseList[boardIndex - 1], "+");
8293 strcat(parseList[boardIndex - 1], "#");
8300 /* Apply a move to the given board */
8302 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
8303 int fromX, fromY, toX, toY;
8307 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
8308 int promoRank = gameInfo.variant == VariantMakruk ? 3 : 1;
8310 /* [HGM] compute & store e.p. status and castling rights for new position */
8311 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
8314 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
8315 oldEP = (signed char)board[EP_STATUS];
8316 board[EP_STATUS] = EP_NONE;
8318 if( board[toY][toX] != EmptySquare )
8319 board[EP_STATUS] = EP_CAPTURE;
8321 if( board[fromY][fromX] == WhitePawn ) {
8322 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8323 board[EP_STATUS] = EP_PAWN_MOVE;
8325 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
8326 gameInfo.variant != VariantBerolina || toX < fromX)
8327 board[EP_STATUS] = toX | berolina;
8328 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
8329 gameInfo.variant != VariantBerolina || toX > fromX)
8330 board[EP_STATUS] = toX;
8333 if( board[fromY][fromX] == BlackPawn ) {
8334 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8335 board[EP_STATUS] = EP_PAWN_MOVE;
8336 if( toY-fromY== -2) {
8337 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
8338 gameInfo.variant != VariantBerolina || toX < fromX)
8339 board[EP_STATUS] = toX | berolina;
8340 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
8341 gameInfo.variant != VariantBerolina || toX > fromX)
8342 board[EP_STATUS] = toX;
8346 for(i=0; i<nrCastlingRights; i++) {
8347 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
8348 board[CASTLING][i] == toX && castlingRank[i] == toY
8349 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
8354 /* [HGM] In Shatranj and Courier all promotions are to Ferz */
8355 if((gameInfo.variant==VariantShatranj || gameInfo.variant==VariantCourier || gameInfo.variant == VariantMakruk)
8356 && promoChar != 0) promoChar = PieceToChar(WhiteFerz);
8358 if (fromX == toX && fromY == toY) return;
8360 if (fromY == DROP_RANK) {
8362 piece = board[toY][toX] = (ChessSquare) fromX;
8364 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
8365 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
8366 if(gameInfo.variant == VariantKnightmate)
8367 king += (int) WhiteUnicorn - (int) WhiteKing;
8369 /* Code added by Tord: */
8370 /* FRC castling assumed when king captures friendly rook. */
8371 if (board[fromY][fromX] == WhiteKing &&
8372 board[toY][toX] == WhiteRook) {
8373 board[fromY][fromX] = EmptySquare;
8374 board[toY][toX] = EmptySquare;
8376 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
8378 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
8380 } else if (board[fromY][fromX] == BlackKing &&
8381 board[toY][toX] == BlackRook) {
8382 board[fromY][fromX] = EmptySquare;
8383 board[toY][toX] = EmptySquare;
8385 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
8387 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
8389 /* End of code added by Tord */
8391 } else if (board[fromY][fromX] == king
8392 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8393 && toY == fromY && toX > fromX+1) {
8394 board[fromY][fromX] = EmptySquare;
8395 board[toY][toX] = king;
8396 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8397 board[fromY][BOARD_RGHT-1] = EmptySquare;
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_LEFT];
8404 board[fromY][BOARD_LEFT] = EmptySquare;
8405 } else if (board[fromY][fromX] == WhitePawn
8406 && toY >= BOARD_HEIGHT-promoRank
8407 && gameInfo.variant != VariantXiangqi
8409 /* white pawn promotion */
8410 board[toY][toX] = CharToPiece(ToUpper(promoChar));
8411 if (board[toY][toX] == EmptySquare) {
8412 board[toY][toX] = WhiteQueen;
8414 if(gameInfo.variant==VariantBughouse ||
8415 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8416 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8417 board[fromY][fromX] = EmptySquare;
8418 } else if ((fromY == BOARD_HEIGHT-4)
8420 && gameInfo.variant != VariantXiangqi
8421 && gameInfo.variant != VariantBerolina
8422 && (board[fromY][fromX] == WhitePawn)
8423 && (board[toY][toX] == EmptySquare)) {
8424 board[fromY][fromX] = EmptySquare;
8425 board[toY][toX] = WhitePawn;
8426 captured = board[toY - 1][toX];
8427 board[toY - 1][toX] = EmptySquare;
8428 } else if ((fromY == BOARD_HEIGHT-4)
8430 && gameInfo.variant == VariantBerolina
8431 && (board[fromY][fromX] == WhitePawn)
8432 && (board[toY][toX] == EmptySquare)) {
8433 board[fromY][fromX] = EmptySquare;
8434 board[toY][toX] = WhitePawn;
8435 if(oldEP & EP_BEROLIN_A) {
8436 captured = board[fromY][fromX-1];
8437 board[fromY][fromX-1] = EmptySquare;
8438 }else{ captured = board[fromY][fromX+1];
8439 board[fromY][fromX+1] = EmptySquare;
8441 } else if (board[fromY][fromX] == king
8442 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8443 && toY == fromY && toX > fromX+1) {
8444 board[fromY][fromX] = EmptySquare;
8445 board[toY][toX] = king;
8446 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8447 board[fromY][BOARD_RGHT-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_LEFT];
8454 board[fromY][BOARD_LEFT] = EmptySquare;
8455 } else if (fromY == 7 && fromX == 3
8456 && board[fromY][fromX] == BlackKing
8457 && toY == 7 && toX == 5) {
8458 board[fromY][fromX] = EmptySquare;
8459 board[toY][toX] = BlackKing;
8460 board[fromY][7] = EmptySquare;
8461 board[toY][4] = BlackRook;
8462 } else if (fromY == 7 && fromX == 3
8463 && board[fromY][fromX] == BlackKing
8464 && toY == 7 && toX == 1) {
8465 board[fromY][fromX] = EmptySquare;
8466 board[toY][toX] = BlackKing;
8467 board[fromY][0] = EmptySquare;
8468 board[toY][2] = BlackRook;
8469 } else if (board[fromY][fromX] == BlackPawn
8471 && gameInfo.variant != VariantXiangqi
8473 /* black pawn promotion */
8474 board[toY][toX] = CharToPiece(ToLower(promoChar));
8475 if (board[toY][toX] == EmptySquare) {
8476 board[toY][toX] = BlackQueen;
8478 if(gameInfo.variant==VariantBughouse ||
8479 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8480 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8481 board[fromY][fromX] = EmptySquare;
8482 } else if ((fromY == 3)
8484 && gameInfo.variant != VariantXiangqi
8485 && gameInfo.variant != VariantBerolina
8486 && (board[fromY][fromX] == BlackPawn)
8487 && (board[toY][toX] == EmptySquare)) {
8488 board[fromY][fromX] = EmptySquare;
8489 board[toY][toX] = BlackPawn;
8490 captured = board[toY + 1][toX];
8491 board[toY + 1][toX] = EmptySquare;
8492 } else if ((fromY == 3)
8494 && gameInfo.variant == VariantBerolina
8495 && (board[fromY][fromX] == BlackPawn)
8496 && (board[toY][toX] == EmptySquare)) {
8497 board[fromY][fromX] = EmptySquare;
8498 board[toY][toX] = BlackPawn;
8499 if(oldEP & EP_BEROLIN_A) {
8500 captured = board[fromY][fromX-1];
8501 board[fromY][fromX-1] = EmptySquare;
8502 }else{ captured = board[fromY][fromX+1];
8503 board[fromY][fromX+1] = EmptySquare;
8506 board[toY][toX] = board[fromY][fromX];
8507 board[fromY][fromX] = EmptySquare;
8510 /* [HGM] now we promote for Shogi, if needed */
8511 if(gameInfo.variant == VariantShogi && promoChar == 'q')
8512 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8515 if (gameInfo.holdingsWidth != 0) {
8517 /* !!A lot more code needs to be written to support holdings */
8518 /* [HGM] OK, so I have written it. Holdings are stored in the */
8519 /* penultimate board files, so they are automaticlly stored */
8520 /* in the game history. */
8521 if (fromY == DROP_RANK) {
8522 /* Delete from holdings, by decreasing count */
8523 /* and erasing image if necessary */
8525 if(p < (int) BlackPawn) { /* white drop */
8526 p -= (int)WhitePawn;
8527 p = PieceToNumber((ChessSquare)p);
8528 if(p >= gameInfo.holdingsSize) p = 0;
8529 if(--board[p][BOARD_WIDTH-2] <= 0)
8530 board[p][BOARD_WIDTH-1] = EmptySquare;
8531 if((int)board[p][BOARD_WIDTH-2] < 0)
8532 board[p][BOARD_WIDTH-2] = 0;
8533 } else { /* black drop */
8534 p -= (int)BlackPawn;
8535 p = PieceToNumber((ChessSquare)p);
8536 if(p >= gameInfo.holdingsSize) p = 0;
8537 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
8538 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
8539 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
8540 board[BOARD_HEIGHT-1-p][1] = 0;
8543 if (captured != EmptySquare && gameInfo.holdingsSize > 0
8544 && gameInfo.variant != VariantBughouse ) {
8545 /* [HGM] holdings: Add to holdings, if holdings exist */
8546 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
8547 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
8548 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
8551 if (p >= (int) BlackPawn) {
8552 p -= (int)BlackPawn;
8553 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8554 /* in Shogi restore piece to its original first */
8555 captured = (ChessSquare) (DEMOTED captured);
8558 p = PieceToNumber((ChessSquare)p);
8559 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
8560 board[p][BOARD_WIDTH-2]++;
8561 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
8563 p -= (int)WhitePawn;
8564 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8565 captured = (ChessSquare) (DEMOTED captured);
8568 p = PieceToNumber((ChessSquare)p);
8569 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
8570 board[BOARD_HEIGHT-1-p][1]++;
8571 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
8574 } else if (gameInfo.variant == VariantAtomic) {
8575 if (captured != EmptySquare) {
8577 for (y = toY-1; y <= toY+1; y++) {
8578 for (x = toX-1; x <= toX+1; x++) {
8579 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
8580 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
8581 board[y][x] = EmptySquare;
8585 board[toY][toX] = EmptySquare;
8588 if(gameInfo.variant == VariantShogi && promoChar != NULLCHAR && promoChar != '=') {
8589 /* [HGM] Shogi promotions */
8590 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8593 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8594 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
8595 // [HGM] superchess: take promotion piece out of holdings
8596 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
8597 if((int)piece < (int)BlackPawn) { // determine stm from piece color
8598 if(!--board[k][BOARD_WIDTH-2])
8599 board[k][BOARD_WIDTH-1] = EmptySquare;
8601 if(!--board[BOARD_HEIGHT-1-k][1])
8602 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
8608 /* Updates forwardMostMove */
8610 MakeMove(fromX, fromY, toX, toY, promoChar)
8611 int fromX, fromY, toX, toY;
8614 // forwardMostMove++; // [HGM] bare: moved downstream
8616 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
8617 int timeLeft; static int lastLoadFlag=0; int king, piece;
8618 piece = boards[forwardMostMove][fromY][fromX];
8619 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
8620 if(gameInfo.variant == VariantKnightmate)
8621 king += (int) WhiteUnicorn - (int) WhiteKing;
8622 if(forwardMostMove == 0) {
8624 fprintf(serverMoves, "%s;", second.tidy);
8625 fprintf(serverMoves, "%s;", first.tidy);
8626 if(!blackPlaysFirst)
8627 fprintf(serverMoves, "%s;", second.tidy);
8628 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
8629 lastLoadFlag = loadFlag;
8631 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
8632 // print castling suffix
8633 if( toY == fromY && piece == king ) {
8635 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
8637 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
8640 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
8641 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
8642 boards[forwardMostMove][toY][toX] == EmptySquare
8643 && fromX != toX && fromY != toY)
8644 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
8646 if(promoChar != NULLCHAR)
8647 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
8649 fprintf(serverMoves, "/%d/%d",
8650 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
8651 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
8652 else timeLeft = blackTimeRemaining/1000;
8653 fprintf(serverMoves, "/%d", timeLeft);
8655 fflush(serverMoves);
8658 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
8659 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
8663 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
8664 if (commentList[forwardMostMove+1] != NULL) {
8665 free(commentList[forwardMostMove+1]);
8666 commentList[forwardMostMove+1] = NULL;
8668 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8669 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
8670 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
8671 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
8672 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
8673 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
8674 gameInfo.result = GameUnfinished;
8675 if (gameInfo.resultDetails != NULL) {
8676 free(gameInfo.resultDetails);
8677 gameInfo.resultDetails = NULL;
8679 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
8680 moveList[forwardMostMove - 1]);
8681 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
8682 PosFlags(forwardMostMove - 1),
8683 fromY, fromX, toY, toX, promoChar,
8684 parseList[forwardMostMove - 1]);
8685 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8691 if(gameInfo.variant != VariantShogi)
8692 strcat(parseList[forwardMostMove - 1], "+");
8696 strcat(parseList[forwardMostMove - 1], "#");
8699 if (appData.debugMode) {
8700 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
8705 /* Updates currentMove if not pausing */
8707 ShowMove(fromX, fromY, toX, toY)
8709 int instant = (gameMode == PlayFromGameFile) ?
8710 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
8711 if(appData.noGUI) return;
8712 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
8714 if (forwardMostMove == currentMove + 1) {
8715 AnimateMove(boards[forwardMostMove - 1],
8716 fromX, fromY, toX, toY);
8718 if (appData.highlightLastMove) {
8719 SetHighlights(fromX, fromY, toX, toY);
8722 currentMove = forwardMostMove;
8725 if (instant) return;
8727 DisplayMove(currentMove - 1);
8728 DrawPosition(FALSE, boards[currentMove]);
8729 DisplayBothClocks();
8730 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
8733 void SendEgtPath(ChessProgramState *cps)
8734 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
8735 char buf[MSG_SIZ], name[MSG_SIZ], *p;
8737 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
8740 char c, *q = name+1, *r, *s;
8742 name[0] = ','; // extract next format name from feature and copy with prefixed ','
8743 while(*p && *p != ',') *q++ = *p++;
8745 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
8746 strcmp(name, ",nalimov:") == 0 ) {
8747 // take nalimov path from the menu-changeable option first, if it is defined
8748 sprintf(buf, "egtpath nalimov %s\n", appData.defaultPathEGTB);
8749 SendToProgram(buf,cps); // send egtbpath command for nalimov
8751 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
8752 (s = StrStr(appData.egtFormats, name)) != NULL) {
8753 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
8754 s = r = StrStr(s, ":") + 1; // beginning of path info
8755 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
8756 c = *r; *r = 0; // temporarily null-terminate path info
8757 *--q = 0; // strip of trailig ':' from name
8758 sprintf(buf, "egtpath %s %s\n", name+1, s);
8760 SendToProgram(buf,cps); // send egtbpath command for this format
8762 if(*p == ',') p++; // read away comma to position for next format name
8767 InitChessProgram(cps, setup)
8768 ChessProgramState *cps;
8769 int setup; /* [HGM] needed to setup FRC opening position */
8771 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
8772 if (appData.noChessProgram) return;
8773 hintRequested = FALSE;
8774 bookRequested = FALSE;
8776 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
8777 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
8778 if(cps->memSize) { /* [HGM] memory */
8779 sprintf(buf, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
8780 SendToProgram(buf, cps);
8782 SendEgtPath(cps); /* [HGM] EGT */
8783 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
8784 sprintf(buf, "cores %d\n", appData.smpCores);
8785 SendToProgram(buf, cps);
8788 SendToProgram(cps->initString, cps);
8789 if (gameInfo.variant != VariantNormal &&
8790 gameInfo.variant != VariantLoadable
8791 /* [HGM] also send variant if board size non-standard */
8792 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
8794 char *v = VariantName(gameInfo.variant);
8795 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
8796 /* [HGM] in protocol 1 we have to assume all variants valid */
8797 sprintf(buf, _("Variant %s not supported by %s"), v, cps->tidy);
8798 DisplayFatalError(buf, 0, 1);
8802 /* [HGM] make prefix for non-standard board size. Awkward testing... */
8803 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8804 if( gameInfo.variant == VariantXiangqi )
8805 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
8806 if( gameInfo.variant == VariantShogi )
8807 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
8808 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
8809 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
8810 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
8811 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
8812 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8813 if( gameInfo.variant == VariantCourier )
8814 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8815 if( gameInfo.variant == VariantSuper )
8816 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8817 if( gameInfo.variant == VariantGreat )
8818 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8821 sprintf(b, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
8822 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
8823 /* [HGM] varsize: try first if this defiant size variant is specifically known */
8824 if(StrStr(cps->variants, b) == NULL) {
8825 // specific sized variant not known, check if general sizing allowed
8826 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
8827 if(StrStr(cps->variants, "boardsize") == NULL) {
8828 sprintf(buf, "Board size %dx%d+%d not supported by %s",
8829 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
8830 DisplayFatalError(buf, 0, 1);
8833 /* [HGM] here we really should compare with the maximum supported board size */
8836 } else sprintf(b, "%s", VariantName(gameInfo.variant));
8837 sprintf(buf, "variant %s\n", b);
8838 SendToProgram(buf, cps);
8840 currentlyInitializedVariant = gameInfo.variant;
8842 /* [HGM] send opening position in FRC to first engine */
8844 SendToProgram("force\n", cps);
8846 /* engine is now in force mode! Set flag to wake it up after first move. */
8847 setboardSpoiledMachineBlack = 1;
8851 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
8852 SendToProgram(buf, cps);
8854 cps->maybeThinking = FALSE;
8855 cps->offeredDraw = 0;
8856 if (!appData.icsActive) {
8857 SendTimeControl(cps, movesPerSession, timeControl,
8858 timeIncrement, appData.searchDepth,
8861 if (appData.showThinking
8862 // [HGM] thinking: four options require thinking output to be sent
8863 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8865 SendToProgram("post\n", cps);
8867 SendToProgram("hard\n", cps);
8868 if (!appData.ponderNextMove) {
8869 /* Warning: "easy" is a toggle in GNU Chess, so don't send
8870 it without being sure what state we are in first. "hard"
8871 is not a toggle, so that one is OK.
8873 SendToProgram("easy\n", cps);
8876 sprintf(buf, "ping %d\n", ++cps->lastPing);
8877 SendToProgram(buf, cps);
8879 cps->initDone = TRUE;
8884 StartChessProgram(cps)
8885 ChessProgramState *cps;
8890 if (appData.noChessProgram) return;
8891 cps->initDone = FALSE;
8893 if (strcmp(cps->host, "localhost") == 0) {
8894 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
8895 } else if (*appData.remoteShell == NULLCHAR) {
8896 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
8898 if (*appData.remoteUser == NULLCHAR) {
8899 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
8902 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
8903 cps->host, appData.remoteUser, cps->program);
8905 err = StartChildProcess(buf, "", &cps->pr);
8909 sprintf(buf, _("Startup failure on '%s'"), cps->program);
8910 DisplayFatalError(buf, err, 1);
8916 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
8917 if (cps->protocolVersion > 1) {
8918 sprintf(buf, "xboard\nprotover %d\n", cps->protocolVersion);
8919 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
8920 cps->comboCnt = 0; // and values of combo boxes
8921 SendToProgram(buf, cps);
8923 SendToProgram("xboard\n", cps);
8929 TwoMachinesEventIfReady P((void))
8931 if (first.lastPing != first.lastPong) {
8932 DisplayMessage("", _("Waiting for first chess program"));
8933 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8936 if (second.lastPing != second.lastPong) {
8937 DisplayMessage("", _("Waiting for second chess program"));
8938 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8946 NextMatchGame P((void))
8948 int index; /* [HGM] autoinc: step load index during match */
8950 if (*appData.loadGameFile != NULLCHAR) {
8951 index = appData.loadGameIndex;
8952 if(index < 0) { // [HGM] autoinc
8953 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8954 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8956 LoadGameFromFile(appData.loadGameFile,
8958 appData.loadGameFile, FALSE);
8959 } else if (*appData.loadPositionFile != NULLCHAR) {
8960 index = appData.loadPositionIndex;
8961 if(index < 0) { // [HGM] autoinc
8962 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8963 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8965 LoadPositionFromFile(appData.loadPositionFile,
8967 appData.loadPositionFile);
8969 TwoMachinesEventIfReady();
8972 void UserAdjudicationEvent( int result )
8974 ChessMove gameResult = GameIsDrawn;
8977 gameResult = WhiteWins;
8979 else if( result < 0 ) {
8980 gameResult = BlackWins;
8983 if( gameMode == TwoMachinesPlay ) {
8984 GameEnds( gameResult, "User adjudication", GE_XBOARD );
8989 // [HGM] save: calculate checksum of game to make games easily identifiable
8990 int StringCheckSum(char *s)
8993 if(s==NULL) return 0;
8994 while(*s) i = i*259 + *s++;
9001 for(i=backwardMostMove; i<forwardMostMove; i++) {
9002 sum += pvInfoList[i].depth;
9003 sum += StringCheckSum(parseList[i]);
9004 sum += StringCheckSum(commentList[i]);
9007 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
9008 return sum + StringCheckSum(commentList[i]);
9009 } // end of save patch
9012 GameEnds(result, resultDetails, whosays)
9014 char *resultDetails;
9017 GameMode nextGameMode;
9019 char buf[MSG_SIZ], popupRequested = 0;
9021 if(endingGame) return; /* [HGM] crash: forbid recursion */
9023 if(twoBoards) { // [HGM] dual: switch back to one board
9024 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
9025 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
9027 if (appData.debugMode) {
9028 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
9029 result, resultDetails ? resultDetails : "(null)", whosays);
9032 fromX = fromY = -1; // [HGM] abort any move the user is entering.
9034 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
9035 /* If we are playing on ICS, the server decides when the
9036 game is over, but the engine can offer to draw, claim
9040 if (appData.zippyPlay && first.initDone) {
9041 if (result == GameIsDrawn) {
9042 /* In case draw still needs to be claimed */
9043 SendToICS(ics_prefix);
9044 SendToICS("draw\n");
9045 } else if (StrCaseStr(resultDetails, "resign")) {
9046 SendToICS(ics_prefix);
9047 SendToICS("resign\n");
9051 endingGame = 0; /* [HGM] crash */
9055 /* If we're loading the game from a file, stop */
9056 if (whosays == GE_FILE) {
9057 (void) StopLoadGameTimer();
9061 /* Cancel draw offers */
9062 first.offeredDraw = second.offeredDraw = 0;
9064 /* If this is an ICS game, only ICS can really say it's done;
9065 if not, anyone can. */
9066 isIcsGame = (gameMode == IcsPlayingWhite ||
9067 gameMode == IcsPlayingBlack ||
9068 gameMode == IcsObserving ||
9069 gameMode == IcsExamining);
9071 if (!isIcsGame || whosays == GE_ICS) {
9072 /* OK -- not an ICS game, or ICS said it was done */
9074 if (!isIcsGame && !appData.noChessProgram)
9075 SetUserThinkingEnables();
9077 /* [HGM] if a machine claims the game end we verify this claim */
9078 if(gameMode == TwoMachinesPlay && appData.testClaims) {
9079 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
9081 ChessMove trueResult = (ChessMove) -1;
9083 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
9084 first.twoMachinesColor[0] :
9085 second.twoMachinesColor[0] ;
9087 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
9088 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
9089 /* [HGM] verify: engine mate claims accepted if they were flagged */
9090 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
9092 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
9093 /* [HGM] verify: engine mate claims accepted if they were flagged */
9094 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
9096 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
9097 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
9100 // now verify win claims, but not in drop games, as we don't understand those yet
9101 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
9102 || gameInfo.variant == VariantGreat) &&
9103 (result == WhiteWins && claimer == 'w' ||
9104 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
9105 if (appData.debugMode) {
9106 fprintf(debugFP, "result=%d sp=%d move=%d\n",
9107 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
9109 if(result != trueResult) {
9110 sprintf(buf, "False win claim: '%s'", resultDetails);
9111 result = claimer == 'w' ? BlackWins : WhiteWins;
9112 resultDetails = buf;
9115 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
9116 && (forwardMostMove <= backwardMostMove ||
9117 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
9118 (claimer=='b')==(forwardMostMove&1))
9120 /* [HGM] verify: draws that were not flagged are false claims */
9121 sprintf(buf, "False draw claim: '%s'", resultDetails);
9122 result = claimer == 'w' ? BlackWins : WhiteWins;
9123 resultDetails = buf;
9125 /* (Claiming a loss is accepted no questions asked!) */
9127 /* [HGM] bare: don't allow bare King to win */
9128 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
9129 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
9130 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
9131 && result != GameIsDrawn)
9132 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
9133 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
9134 int p = (signed char)boards[forwardMostMove][i][j] - color;
9135 if(p >= 0 && p <= (int)WhiteKing) k++;
9137 if (appData.debugMode) {
9138 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
9139 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
9142 result = GameIsDrawn;
9143 sprintf(buf, "%s but bare king", resultDetails);
9144 resultDetails = buf;
9150 if(serverMoves != NULL && !loadFlag) { char c = '=';
9151 if(result==WhiteWins) c = '+';
9152 if(result==BlackWins) c = '-';
9153 if(resultDetails != NULL)
9154 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
9156 if (resultDetails != NULL) {
9157 gameInfo.result = result;
9158 gameInfo.resultDetails = StrSave(resultDetails);
9160 /* display last move only if game was not loaded from file */
9161 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
9162 DisplayMove(currentMove - 1);
9164 if (forwardMostMove != 0) {
9165 if (gameMode != PlayFromGameFile && gameMode != EditGame
9166 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
9168 if (*appData.saveGameFile != NULLCHAR) {
9169 SaveGameToFile(appData.saveGameFile, TRUE);
9170 } else if (appData.autoSaveGames) {
9173 if (*appData.savePositionFile != NULLCHAR) {
9174 SavePositionToFile(appData.savePositionFile);
9179 /* Tell program how game ended in case it is learning */
9180 /* [HGM] Moved this to after saving the PGN, just in case */
9181 /* engine died and we got here through time loss. In that */
9182 /* case we will get a fatal error writing the pipe, which */
9183 /* would otherwise lose us the PGN. */
9184 /* [HGM] crash: not needed anymore, but doesn't hurt; */
9185 /* output during GameEnds should never be fatal anymore */
9186 if (gameMode == MachinePlaysWhite ||
9187 gameMode == MachinePlaysBlack ||
9188 gameMode == TwoMachinesPlay ||
9189 gameMode == IcsPlayingWhite ||
9190 gameMode == IcsPlayingBlack ||
9191 gameMode == BeginningOfGame) {
9193 sprintf(buf, "result %s {%s}\n", PGNResult(result),
9195 if (first.pr != NoProc) {
9196 SendToProgram(buf, &first);
9198 if (second.pr != NoProc &&
9199 gameMode == TwoMachinesPlay) {
9200 SendToProgram(buf, &second);
9205 if (appData.icsActive) {
9206 if (appData.quietPlay &&
9207 (gameMode == IcsPlayingWhite ||
9208 gameMode == IcsPlayingBlack)) {
9209 SendToICS(ics_prefix);
9210 SendToICS("set shout 1\n");
9212 nextGameMode = IcsIdle;
9213 ics_user_moved = FALSE;
9214 /* clean up premove. It's ugly when the game has ended and the
9215 * premove highlights are still on the board.
9219 ClearPremoveHighlights();
9220 DrawPosition(FALSE, boards[currentMove]);
9222 if (whosays == GE_ICS) {
9225 if (gameMode == IcsPlayingWhite)
9227 else if(gameMode == IcsPlayingBlack)
9231 if (gameMode == IcsPlayingBlack)
9233 else if(gameMode == IcsPlayingWhite)
9240 PlayIcsUnfinishedSound();
9243 } else if (gameMode == EditGame ||
9244 gameMode == PlayFromGameFile ||
9245 gameMode == AnalyzeMode ||
9246 gameMode == AnalyzeFile) {
9247 nextGameMode = gameMode;
9249 nextGameMode = EndOfGame;
9254 nextGameMode = gameMode;
9257 if (appData.noChessProgram) {
9258 gameMode = nextGameMode;
9260 endingGame = 0; /* [HGM] crash */
9265 /* Put first chess program into idle state */
9266 if (first.pr != NoProc &&
9267 (gameMode == MachinePlaysWhite ||
9268 gameMode == MachinePlaysBlack ||
9269 gameMode == TwoMachinesPlay ||
9270 gameMode == IcsPlayingWhite ||
9271 gameMode == IcsPlayingBlack ||
9272 gameMode == BeginningOfGame)) {
9273 SendToProgram("force\n", &first);
9274 if (first.usePing) {
9276 sprintf(buf, "ping %d\n", ++first.lastPing);
9277 SendToProgram(buf, &first);
9280 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9281 /* Kill off first chess program */
9282 if (first.isr != NULL)
9283 RemoveInputSource(first.isr);
9286 if (first.pr != NoProc) {
9288 DoSleep( appData.delayBeforeQuit );
9289 SendToProgram("quit\n", &first);
9290 DoSleep( appData.delayAfterQuit );
9291 DestroyChildProcess(first.pr, first.useSigterm);
9296 /* Put second chess program into idle state */
9297 if (second.pr != NoProc &&
9298 gameMode == TwoMachinesPlay) {
9299 SendToProgram("force\n", &second);
9300 if (second.usePing) {
9302 sprintf(buf, "ping %d\n", ++second.lastPing);
9303 SendToProgram(buf, &second);
9306 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9307 /* Kill off second chess program */
9308 if (second.isr != NULL)
9309 RemoveInputSource(second.isr);
9312 if (second.pr != NoProc) {
9313 DoSleep( appData.delayBeforeQuit );
9314 SendToProgram("quit\n", &second);
9315 DoSleep( appData.delayAfterQuit );
9316 DestroyChildProcess(second.pr, second.useSigterm);
9321 if (matchMode && gameMode == TwoMachinesPlay) {
9324 if (first.twoMachinesColor[0] == 'w') {
9331 if (first.twoMachinesColor[0] == 'b') {
9340 if (matchGame < appData.matchGames) {
9342 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
9343 tmp = first.twoMachinesColor;
9344 first.twoMachinesColor = second.twoMachinesColor;
9345 second.twoMachinesColor = tmp;
9347 gameMode = nextGameMode;
9349 if(appData.matchPause>10000 || appData.matchPause<10)
9350 appData.matchPause = 10000; /* [HGM] make pause adjustable */
9351 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
9352 endingGame = 0; /* [HGM] crash */
9355 gameMode = nextGameMode;
9356 sprintf(buf, _("Match %s vs. %s: final score %d-%d-%d"),
9357 first.tidy, second.tidy,
9358 first.matchWins, second.matchWins,
9359 appData.matchGames - (first.matchWins + second.matchWins));
9360 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
9363 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
9364 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
9366 gameMode = nextGameMode;
9368 endingGame = 0; /* [HGM] crash */
9369 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
9370 if(matchMode == TRUE) DisplayFatalError(buf, 0, 0); else {
9371 matchMode = FALSE; appData.matchGames = matchGame = 0;
9377 /* Assumes program was just initialized (initString sent).
9378 Leaves program in force mode. */
9380 FeedMovesToProgram(cps, upto)
9381 ChessProgramState *cps;
9386 if (appData.debugMode)
9387 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
9388 startedFromSetupPosition ? "position and " : "",
9389 backwardMostMove, upto, cps->which);
9390 if(currentlyInitializedVariant != gameInfo.variant) { char buf[MSG_SIZ];
9391 // [HGM] variantswitch: make engine aware of new variant
9392 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
9393 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
9394 sprintf(buf, "variant %s\n", VariantName(gameInfo.variant));
9395 SendToProgram(buf, cps);
9396 currentlyInitializedVariant = gameInfo.variant;
9398 SendToProgram("force\n", cps);
9399 if (startedFromSetupPosition) {
9400 SendBoard(cps, backwardMostMove);
9401 if (appData.debugMode) {
9402 fprintf(debugFP, "feedMoves\n");
9405 for (i = backwardMostMove; i < upto; i++) {
9406 SendMoveToProgram(i, cps);
9412 ResurrectChessProgram()
9414 /* The chess program may have exited.
9415 If so, restart it and feed it all the moves made so far. */
9417 if (appData.noChessProgram || first.pr != NoProc) return;
9419 StartChessProgram(&first);
9420 InitChessProgram(&first, FALSE);
9421 FeedMovesToProgram(&first, currentMove);
9423 if (!first.sendTime) {
9424 /* can't tell gnuchess what its clock should read,
9425 so we bow to its notion. */
9427 timeRemaining[0][currentMove] = whiteTimeRemaining;
9428 timeRemaining[1][currentMove] = blackTimeRemaining;
9431 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
9432 appData.icsEngineAnalyze) && first.analysisSupport) {
9433 SendToProgram("analyze\n", &first);
9434 first.analyzing = TRUE;
9447 if (appData.debugMode) {
9448 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
9449 redraw, init, gameMode);
9451 CleanupTail(); // [HGM] vari: delete any stored variations
9452 pausing = pauseExamInvalid = FALSE;
9453 startedFromSetupPosition = blackPlaysFirst = FALSE;
9455 whiteFlag = blackFlag = FALSE;
9456 userOfferedDraw = FALSE;
9457 hintRequested = bookRequested = FALSE;
9458 first.maybeThinking = FALSE;
9459 second.maybeThinking = FALSE;
9460 first.bookSuspend = FALSE; // [HGM] book
9461 second.bookSuspend = FALSE;
9462 thinkOutput[0] = NULLCHAR;
9463 lastHint[0] = NULLCHAR;
9464 ClearGameInfo(&gameInfo);
9465 gameInfo.variant = StringToVariant(appData.variant);
9466 ics_user_moved = ics_clock_paused = FALSE;
9467 ics_getting_history = H_FALSE;
9469 white_holding[0] = black_holding[0] = NULLCHAR;
9470 ClearProgramStats();
9471 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
9475 flipView = appData.flipView;
9476 ClearPremoveHighlights();
9478 alarmSounded = FALSE;
9480 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
9481 if(appData.serverMovesName != NULL) {
9482 /* [HGM] prepare to make moves file for broadcasting */
9483 clock_t t = clock();
9484 if(serverMoves != NULL) fclose(serverMoves);
9485 serverMoves = fopen(appData.serverMovesName, "r");
9486 if(serverMoves != NULL) {
9487 fclose(serverMoves);
9488 /* delay 15 sec before overwriting, so all clients can see end */
9489 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
9491 serverMoves = fopen(appData.serverMovesName, "w");
9495 gameMode = BeginningOfGame;
9497 if(appData.icsActive) gameInfo.variant = VariantNormal;
9498 currentMove = forwardMostMove = backwardMostMove = 0;
9499 InitPosition(redraw);
9500 for (i = 0; i < MAX_MOVES; i++) {
9501 if (commentList[i] != NULL) {
9502 free(commentList[i]);
9503 commentList[i] = NULL;
9507 timeRemaining[0][0] = whiteTimeRemaining;
9508 timeRemaining[1][0] = blackTimeRemaining;
9509 if (first.pr == NULL) {
9510 StartChessProgram(&first);
9513 InitChessProgram(&first, startedFromSetupPosition);
9516 DisplayMessage("", "");
9517 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9518 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
9525 if (!AutoPlayOneMove())
9527 if (matchMode || appData.timeDelay == 0)
9529 if (appData.timeDelay < 0 || gameMode == AnalyzeFile)
9531 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
9540 int fromX, fromY, toX, toY;
9542 if (appData.debugMode) {
9543 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
9546 if (gameMode != PlayFromGameFile)
9549 if (currentMove >= forwardMostMove) {
9550 gameMode = EditGame;
9553 /* [AS] Clear current move marker at the end of a game */
9554 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
9559 toX = moveList[currentMove][2] - AAA;
9560 toY = moveList[currentMove][3] - ONE;
9562 if (moveList[currentMove][1] == '@') {
9563 if (appData.highlightLastMove) {
9564 SetHighlights(-1, -1, toX, toY);
9567 fromX = moveList[currentMove][0] - AAA;
9568 fromY = moveList[currentMove][1] - ONE;
9570 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
9572 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
9574 if (appData.highlightLastMove) {
9575 SetHighlights(fromX, fromY, toX, toY);
9578 DisplayMove(currentMove);
9579 SendMoveToProgram(currentMove++, &first);
9580 DisplayBothClocks();
9581 DrawPosition(FALSE, boards[currentMove]);
9582 // [HGM] PV info: always display, routine tests if empty
9583 DisplayComment(currentMove - 1, commentList[currentMove]);
9589 LoadGameOneMove(readAhead)
9590 ChessMove readAhead;
9592 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
9593 char promoChar = NULLCHAR;
9598 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
9599 gameMode != AnalyzeMode && gameMode != Training) {
9604 yyboardindex = forwardMostMove;
9605 if (readAhead != (ChessMove)0) {
9606 moveType = readAhead;
9608 if (gameFileFP == NULL)
9610 moveType = (ChessMove) yylex();
9616 if (appData.debugMode)
9617 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9620 /* append the comment but don't display it */
9621 AppendComment(currentMove, p, FALSE);
9624 case WhiteCapturesEnPassant:
9625 case BlackCapturesEnPassant:
9626 case WhitePromotionChancellor:
9627 case BlackPromotionChancellor:
9628 case WhitePromotionArchbishop:
9629 case BlackPromotionArchbishop:
9630 case WhitePromotionCentaur:
9631 case BlackPromotionCentaur:
9632 case WhitePromotionQueen:
9633 case BlackPromotionQueen:
9634 case WhitePromotionRook:
9635 case BlackPromotionRook:
9636 case WhitePromotionBishop:
9637 case BlackPromotionBishop:
9638 case WhitePromotionKnight:
9639 case BlackPromotionKnight:
9640 case WhitePromotionKing:
9641 case BlackPromotionKing:
9643 case WhiteKingSideCastle:
9644 case WhiteQueenSideCastle:
9645 case BlackKingSideCastle:
9646 case BlackQueenSideCastle:
9647 case WhiteKingSideCastleWild:
9648 case WhiteQueenSideCastleWild:
9649 case BlackKingSideCastleWild:
9650 case BlackQueenSideCastleWild:
9652 case WhiteHSideCastleFR:
9653 case WhiteASideCastleFR:
9654 case BlackHSideCastleFR:
9655 case BlackASideCastleFR:
9657 if (appData.debugMode)
9658 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9659 fromX = currentMoveString[0] - AAA;
9660 fromY = currentMoveString[1] - ONE;
9661 toX = currentMoveString[2] - AAA;
9662 toY = currentMoveString[3] - ONE;
9663 promoChar = currentMoveString[4];
9668 if (appData.debugMode)
9669 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9670 fromX = moveType == WhiteDrop ?
9671 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9672 (int) CharToPiece(ToLower(currentMoveString[0]));
9674 toX = currentMoveString[2] - AAA;
9675 toY = currentMoveString[3] - ONE;
9681 case GameUnfinished:
9682 if (appData.debugMode)
9683 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
9684 p = strchr(yy_text, '{');
9685 if (p == NULL) p = strchr(yy_text, '(');
9688 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9690 q = strchr(p, *p == '{' ? '}' : ')');
9691 if (q != NULL) *q = NULLCHAR;
9694 GameEnds(moveType, p, GE_FILE);
9696 if (cmailMsgLoaded) {
9698 flipView = WhiteOnMove(currentMove);
9699 if (moveType == GameUnfinished) flipView = !flipView;
9700 if (appData.debugMode)
9701 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
9705 case (ChessMove) 0: /* end of file */
9706 if (appData.debugMode)
9707 fprintf(debugFP, "Parser hit end of file\n");
9708 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9714 if (WhiteOnMove(currentMove)) {
9715 GameEnds(BlackWins, "Black mates", GE_FILE);
9717 GameEnds(WhiteWins, "White mates", GE_FILE);
9721 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9728 if (lastLoadGameStart == GNUChessGame) {
9729 /* GNUChessGames have numbers, but they aren't move numbers */
9730 if (appData.debugMode)
9731 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9732 yy_text, (int) moveType);
9733 return LoadGameOneMove((ChessMove)0); /* tail recursion */
9735 /* else fall thru */
9740 /* Reached start of next game in file */
9741 if (appData.debugMode)
9742 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
9743 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9749 if (WhiteOnMove(currentMove)) {
9750 GameEnds(BlackWins, "Black mates", GE_FILE);
9752 GameEnds(WhiteWins, "White mates", GE_FILE);
9756 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9762 case PositionDiagram: /* should not happen; ignore */
9763 case ElapsedTime: /* ignore */
9764 case NAG: /* ignore */
9765 if (appData.debugMode)
9766 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9767 yy_text, (int) moveType);
9768 return LoadGameOneMove((ChessMove)0); /* tail recursion */
9771 if (appData.testLegality) {
9772 if (appData.debugMode)
9773 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
9774 sprintf(move, _("Illegal move: %d.%s%s"),
9775 (forwardMostMove / 2) + 1,
9776 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9777 DisplayError(move, 0);
9780 if (appData.debugMode)
9781 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
9782 yy_text, currentMoveString);
9783 fromX = currentMoveString[0] - AAA;
9784 fromY = currentMoveString[1] - ONE;
9785 toX = currentMoveString[2] - AAA;
9786 toY = currentMoveString[3] - ONE;
9787 promoChar = currentMoveString[4];
9792 if (appData.debugMode)
9793 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
9794 sprintf(move, _("Ambiguous move: %d.%s%s"),
9795 (forwardMostMove / 2) + 1,
9796 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9797 DisplayError(move, 0);
9802 case ImpossibleMove:
9803 if (appData.debugMode)
9804 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
9805 sprintf(move, _("Illegal move: %d.%s%s"),
9806 (forwardMostMove / 2) + 1,
9807 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9808 DisplayError(move, 0);
9814 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
9815 DrawPosition(FALSE, boards[currentMove]);
9816 DisplayBothClocks();
9817 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
9818 DisplayComment(currentMove - 1, commentList[currentMove]);
9820 (void) StopLoadGameTimer();
9822 cmailOldMove = forwardMostMove;
9825 /* currentMoveString is set as a side-effect of yylex */
9826 strcat(currentMoveString, "\n");
9827 strcpy(moveList[forwardMostMove], currentMoveString);
9829 thinkOutput[0] = NULLCHAR;
9830 MakeMove(fromX, fromY, toX, toY, promoChar);
9831 currentMove = forwardMostMove;
9836 /* Load the nth game from the given file */
9838 LoadGameFromFile(filename, n, title, useList)
9842 /*Boolean*/ int useList;
9847 if (strcmp(filename, "-") == 0) {
9851 f = fopen(filename, "rb");
9853 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9854 DisplayError(buf, errno);
9858 if (fseek(f, 0, 0) == -1) {
9859 /* f is not seekable; probably a pipe */
9862 if (useList && n == 0) {
9863 int error = GameListBuild(f);
9865 DisplayError(_("Cannot build game list"), error);
9866 } else if (!ListEmpty(&gameList) &&
9867 ((ListGame *) gameList.tailPred)->number > 1) {
9868 GameListPopUp(f, title);
9875 return LoadGame(f, n, title, FALSE);
9880 MakeRegisteredMove()
9882 int fromX, fromY, toX, toY;
9884 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9885 switch (cmailMoveType[lastLoadGameNumber - 1]) {
9888 if (appData.debugMode)
9889 fprintf(debugFP, "Restoring %s for game %d\n",
9890 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
9892 thinkOutput[0] = NULLCHAR;
9893 strcpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1]);
9894 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
9895 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
9896 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
9897 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
9898 promoChar = cmailMove[lastLoadGameNumber - 1][4];
9899 MakeMove(fromX, fromY, toX, toY, promoChar);
9900 ShowMove(fromX, fromY, toX, toY);
9902 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9909 if (WhiteOnMove(currentMove)) {
9910 GameEnds(BlackWins, "Black mates", GE_PLAYER);
9912 GameEnds(WhiteWins, "White mates", GE_PLAYER);
9917 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
9924 if (WhiteOnMove(currentMove)) {
9925 GameEnds(BlackWins, "White resigns", GE_PLAYER);
9927 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
9932 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
9943 /* Wrapper around LoadGame for use when a Cmail message is loaded */
9945 CmailLoadGame(f, gameNumber, title, useList)
9953 if (gameNumber > nCmailGames) {
9954 DisplayError(_("No more games in this message"), 0);
9957 if (f == lastLoadGameFP) {
9958 int offset = gameNumber - lastLoadGameNumber;
9960 cmailMsg[0] = NULLCHAR;
9961 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9962 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
9963 nCmailMovesRegistered--;
9965 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
9966 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
9967 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
9970 if (! RegisterMove()) return FALSE;
9974 retVal = LoadGame(f, gameNumber, title, useList);
9976 /* Make move registered during previous look at this game, if any */
9977 MakeRegisteredMove();
9979 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
9980 commentList[currentMove]
9981 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
9982 DisplayComment(currentMove - 1, commentList[currentMove]);
9988 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
9993 int gameNumber = lastLoadGameNumber + offset;
9994 if (lastLoadGameFP == NULL) {
9995 DisplayError(_("No game has been loaded yet"), 0);
9998 if (gameNumber <= 0) {
9999 DisplayError(_("Can't back up any further"), 0);
10002 if (cmailMsgLoaded) {
10003 return CmailLoadGame(lastLoadGameFP, gameNumber,
10004 lastLoadGameTitle, lastLoadGameUseList);
10006 return LoadGame(lastLoadGameFP, gameNumber,
10007 lastLoadGameTitle, lastLoadGameUseList);
10013 /* Load the nth game from open file f */
10015 LoadGame(f, gameNumber, title, useList)
10023 int gn = gameNumber;
10024 ListGame *lg = NULL;
10025 int numPGNTags = 0;
10027 GameMode oldGameMode;
10028 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
10030 if (appData.debugMode)
10031 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
10033 if (gameMode == Training )
10034 SetTrainingModeOff();
10036 oldGameMode = gameMode;
10037 if (gameMode != BeginningOfGame) {
10038 Reset(FALSE, TRUE);
10042 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
10043 fclose(lastLoadGameFP);
10047 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
10050 fseek(f, lg->offset, 0);
10051 GameListHighlight(gameNumber);
10055 DisplayError(_("Game number out of range"), 0);
10060 if (fseek(f, 0, 0) == -1) {
10061 if (f == lastLoadGameFP ?
10062 gameNumber == lastLoadGameNumber + 1 :
10066 DisplayError(_("Can't seek on game file"), 0);
10071 lastLoadGameFP = f;
10072 lastLoadGameNumber = gameNumber;
10073 strcpy(lastLoadGameTitle, title);
10074 lastLoadGameUseList = useList;
10078 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
10079 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
10080 lg->gameInfo.black);
10082 } else if (*title != NULLCHAR) {
10083 if (gameNumber > 1) {
10084 sprintf(buf, "%s %d", title, gameNumber);
10087 DisplayTitle(title);
10091 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
10092 gameMode = PlayFromGameFile;
10096 currentMove = forwardMostMove = backwardMostMove = 0;
10097 CopyBoard(boards[0], initialPosition);
10101 * Skip the first gn-1 games in the file.
10102 * Also skip over anything that precedes an identifiable
10103 * start of game marker, to avoid being confused by
10104 * garbage at the start of the file. Currently
10105 * recognized start of game markers are the move number "1",
10106 * the pattern "gnuchess .* game", the pattern
10107 * "^[#;%] [^ ]* game file", and a PGN tag block.
10108 * A game that starts with one of the latter two patterns
10109 * will also have a move number 1, possibly
10110 * following a position diagram.
10111 * 5-4-02: Let's try being more lenient and allowing a game to
10112 * start with an unnumbered move. Does that break anything?
10114 cm = lastLoadGameStart = (ChessMove) 0;
10116 yyboardindex = forwardMostMove;
10117 cm = (ChessMove) yylex();
10119 case (ChessMove) 0:
10120 if (cmailMsgLoaded) {
10121 nCmailGames = CMAIL_MAX_GAMES - gn;
10124 DisplayError(_("Game not found in file"), 0);
10131 lastLoadGameStart = cm;
10134 case MoveNumberOne:
10135 switch (lastLoadGameStart) {
10140 case MoveNumberOne:
10141 case (ChessMove) 0:
10142 gn--; /* count this game */
10143 lastLoadGameStart = cm;
10152 switch (lastLoadGameStart) {
10155 case MoveNumberOne:
10156 case (ChessMove) 0:
10157 gn--; /* count this game */
10158 lastLoadGameStart = cm;
10161 lastLoadGameStart = cm; /* game counted already */
10169 yyboardindex = forwardMostMove;
10170 cm = (ChessMove) yylex();
10171 } while (cm == PGNTag || cm == Comment);
10178 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
10179 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
10180 != CMAIL_OLD_RESULT) {
10182 cmailResult[ CMAIL_MAX_GAMES
10183 - gn - 1] = CMAIL_OLD_RESULT;
10189 /* Only a NormalMove can be at the start of a game
10190 * without a position diagram. */
10191 if (lastLoadGameStart == (ChessMove) 0) {
10193 lastLoadGameStart = MoveNumberOne;
10202 if (appData.debugMode)
10203 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
10205 if (cm == XBoardGame) {
10206 /* Skip any header junk before position diagram and/or move 1 */
10208 yyboardindex = forwardMostMove;
10209 cm = (ChessMove) yylex();
10211 if (cm == (ChessMove) 0 ||
10212 cm == GNUChessGame || cm == XBoardGame) {
10213 /* Empty game; pretend end-of-file and handle later */
10214 cm = (ChessMove) 0;
10218 if (cm == MoveNumberOne || cm == PositionDiagram ||
10219 cm == PGNTag || cm == Comment)
10222 } else if (cm == GNUChessGame) {
10223 if (gameInfo.event != NULL) {
10224 free(gameInfo.event);
10226 gameInfo.event = StrSave(yy_text);
10229 startedFromSetupPosition = FALSE;
10230 while (cm == PGNTag) {
10231 if (appData.debugMode)
10232 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
10233 err = ParsePGNTag(yy_text, &gameInfo);
10234 if (!err) numPGNTags++;
10236 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
10237 if(gameInfo.variant != oldVariant) {
10238 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
10239 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
10240 InitPosition(TRUE);
10241 oldVariant = gameInfo.variant;
10242 if (appData.debugMode)
10243 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
10247 if (gameInfo.fen != NULL) {
10248 Board initial_position;
10249 startedFromSetupPosition = TRUE;
10250 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
10252 DisplayError(_("Bad FEN position in file"), 0);
10255 CopyBoard(boards[0], initial_position);
10256 if (blackPlaysFirst) {
10257 currentMove = forwardMostMove = backwardMostMove = 1;
10258 CopyBoard(boards[1], initial_position);
10259 strcpy(moveList[0], "");
10260 strcpy(parseList[0], "");
10261 timeRemaining[0][1] = whiteTimeRemaining;
10262 timeRemaining[1][1] = blackTimeRemaining;
10263 if (commentList[0] != NULL) {
10264 commentList[1] = commentList[0];
10265 commentList[0] = NULL;
10268 currentMove = forwardMostMove = backwardMostMove = 0;
10270 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
10272 initialRulePlies = FENrulePlies;
10273 for( i=0; i< nrCastlingRights; i++ )
10274 initialRights[i] = initial_position[CASTLING][i];
10276 yyboardindex = forwardMostMove;
10277 free(gameInfo.fen);
10278 gameInfo.fen = NULL;
10281 yyboardindex = forwardMostMove;
10282 cm = (ChessMove) yylex();
10284 /* Handle comments interspersed among the tags */
10285 while (cm == Comment) {
10287 if (appData.debugMode)
10288 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10290 AppendComment(currentMove, p, FALSE);
10291 yyboardindex = forwardMostMove;
10292 cm = (ChessMove) yylex();
10296 /* don't rely on existence of Event tag since if game was
10297 * pasted from clipboard the Event tag may not exist
10299 if (numPGNTags > 0){
10301 if (gameInfo.variant == VariantNormal) {
10302 VariantClass v = StringToVariant(gameInfo.event);
10303 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
10304 if(v < VariantShogi) gameInfo.variant = v;
10307 if( appData.autoDisplayTags ) {
10308 tags = PGNTags(&gameInfo);
10309 TagsPopUp(tags, CmailMsg());
10314 /* Make something up, but don't display it now */
10319 if (cm == PositionDiagram) {
10322 Board initial_position;
10324 if (appData.debugMode)
10325 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
10327 if (!startedFromSetupPosition) {
10329 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
10330 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
10340 initial_position[i][j++] = CharToPiece(*p);
10343 while (*p == ' ' || *p == '\t' ||
10344 *p == '\n' || *p == '\r') p++;
10346 if (strncmp(p, "black", strlen("black"))==0)
10347 blackPlaysFirst = TRUE;
10349 blackPlaysFirst = FALSE;
10350 startedFromSetupPosition = TRUE;
10352 CopyBoard(boards[0], initial_position);
10353 if (blackPlaysFirst) {
10354 currentMove = forwardMostMove = backwardMostMove = 1;
10355 CopyBoard(boards[1], initial_position);
10356 strcpy(moveList[0], "");
10357 strcpy(parseList[0], "");
10358 timeRemaining[0][1] = whiteTimeRemaining;
10359 timeRemaining[1][1] = blackTimeRemaining;
10360 if (commentList[0] != NULL) {
10361 commentList[1] = commentList[0];
10362 commentList[0] = NULL;
10365 currentMove = forwardMostMove = backwardMostMove = 0;
10368 yyboardindex = forwardMostMove;
10369 cm = (ChessMove) yylex();
10372 if (first.pr == NoProc) {
10373 StartChessProgram(&first);
10375 InitChessProgram(&first, FALSE);
10376 SendToProgram("force\n", &first);
10377 if (startedFromSetupPosition) {
10378 SendBoard(&first, forwardMostMove);
10379 if (appData.debugMode) {
10380 fprintf(debugFP, "Load Game\n");
10382 DisplayBothClocks();
10385 /* [HGM] server: flag to write setup moves in broadcast file as one */
10386 loadFlag = appData.suppressLoadMoves;
10388 while (cm == Comment) {
10390 if (appData.debugMode)
10391 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10393 AppendComment(currentMove, p, FALSE);
10394 yyboardindex = forwardMostMove;
10395 cm = (ChessMove) yylex();
10398 if ((cm == (ChessMove) 0 && lastLoadGameStart != (ChessMove) 0) ||
10399 cm == WhiteWins || cm == BlackWins ||
10400 cm == GameIsDrawn || cm == GameUnfinished) {
10401 DisplayMessage("", _("No moves in game"));
10402 if (cmailMsgLoaded) {
10403 if (appData.debugMode)
10404 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
10408 DrawPosition(FALSE, boards[currentMove]);
10409 DisplayBothClocks();
10410 gameMode = EditGame;
10417 // [HGM] PV info: routine tests if comment empty
10418 if (!matchMode && (pausing || appData.timeDelay != 0)) {
10419 DisplayComment(currentMove - 1, commentList[currentMove]);
10421 if (!matchMode && appData.timeDelay != 0)
10422 DrawPosition(FALSE, boards[currentMove]);
10424 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
10425 programStats.ok_to_send = 1;
10428 /* if the first token after the PGN tags is a move
10429 * and not move number 1, retrieve it from the parser
10431 if (cm != MoveNumberOne)
10432 LoadGameOneMove(cm);
10434 /* load the remaining moves from the file */
10435 while (LoadGameOneMove((ChessMove)0)) {
10436 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10437 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10440 /* rewind to the start of the game */
10441 currentMove = backwardMostMove;
10443 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10445 if (oldGameMode == AnalyzeFile ||
10446 oldGameMode == AnalyzeMode) {
10447 AnalyzeFileEvent();
10450 if (matchMode || appData.timeDelay == 0) {
10452 gameMode = EditGame;
10454 } else if (appData.timeDelay > 0) {
10455 AutoPlayGameLoop();
10458 if (appData.debugMode)
10459 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
10461 loadFlag = 0; /* [HGM] true game starts */
10465 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
10467 ReloadPosition(offset)
10470 int positionNumber = lastLoadPositionNumber + offset;
10471 if (lastLoadPositionFP == NULL) {
10472 DisplayError(_("No position has been loaded yet"), 0);
10475 if (positionNumber <= 0) {
10476 DisplayError(_("Can't back up any further"), 0);
10479 return LoadPosition(lastLoadPositionFP, positionNumber,
10480 lastLoadPositionTitle);
10483 /* Load the nth position from the given file */
10485 LoadPositionFromFile(filename, n, title)
10493 if (strcmp(filename, "-") == 0) {
10494 return LoadPosition(stdin, n, "stdin");
10496 f = fopen(filename, "rb");
10498 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10499 DisplayError(buf, errno);
10502 return LoadPosition(f, n, title);
10507 /* Load the nth position from the given open file, and close it */
10509 LoadPosition(f, positionNumber, title)
10511 int positionNumber;
10514 char *p, line[MSG_SIZ];
10515 Board initial_position;
10516 int i, j, fenMode, pn;
10518 if (gameMode == Training )
10519 SetTrainingModeOff();
10521 if (gameMode != BeginningOfGame) {
10522 Reset(FALSE, TRUE);
10524 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
10525 fclose(lastLoadPositionFP);
10527 if (positionNumber == 0) positionNumber = 1;
10528 lastLoadPositionFP = f;
10529 lastLoadPositionNumber = positionNumber;
10530 strcpy(lastLoadPositionTitle, title);
10531 if (first.pr == NoProc) {
10532 StartChessProgram(&first);
10533 InitChessProgram(&first, FALSE);
10535 pn = positionNumber;
10536 if (positionNumber < 0) {
10537 /* Negative position number means to seek to that byte offset */
10538 if (fseek(f, -positionNumber, 0) == -1) {
10539 DisplayError(_("Can't seek on position file"), 0);
10544 if (fseek(f, 0, 0) == -1) {
10545 if (f == lastLoadPositionFP ?
10546 positionNumber == lastLoadPositionNumber + 1 :
10547 positionNumber == 1) {
10550 DisplayError(_("Can't seek on position file"), 0);
10555 /* See if this file is FEN or old-style xboard */
10556 if (fgets(line, MSG_SIZ, f) == NULL) {
10557 DisplayError(_("Position not found in file"), 0);
10560 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
10561 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
10564 if (fenMode || line[0] == '#') pn--;
10566 /* skip positions before number pn */
10567 if (fgets(line, MSG_SIZ, f) == NULL) {
10569 DisplayError(_("Position not found in file"), 0);
10572 if (fenMode || line[0] == '#') pn--;
10577 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
10578 DisplayError(_("Bad FEN position in file"), 0);
10582 (void) fgets(line, MSG_SIZ, f);
10583 (void) fgets(line, MSG_SIZ, f);
10585 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
10586 (void) fgets(line, MSG_SIZ, f);
10587 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
10590 initial_position[i][j++] = CharToPiece(*p);
10594 blackPlaysFirst = FALSE;
10596 (void) fgets(line, MSG_SIZ, f);
10597 if (strncmp(line, "black", strlen("black"))==0)
10598 blackPlaysFirst = TRUE;
10601 startedFromSetupPosition = TRUE;
10603 SendToProgram("force\n", &first);
10604 CopyBoard(boards[0], initial_position);
10605 if (blackPlaysFirst) {
10606 currentMove = forwardMostMove = backwardMostMove = 1;
10607 strcpy(moveList[0], "");
10608 strcpy(parseList[0], "");
10609 CopyBoard(boards[1], initial_position);
10610 DisplayMessage("", _("Black to play"));
10612 currentMove = forwardMostMove = backwardMostMove = 0;
10613 DisplayMessage("", _("White to play"));
10615 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
10616 SendBoard(&first, forwardMostMove);
10617 if (appData.debugMode) {
10619 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
10620 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
10621 fprintf(debugFP, "Load Position\n");
10624 if (positionNumber > 1) {
10625 sprintf(line, "%s %d", title, positionNumber);
10626 DisplayTitle(line);
10628 DisplayTitle(title);
10630 gameMode = EditGame;
10633 timeRemaining[0][1] = whiteTimeRemaining;
10634 timeRemaining[1][1] = blackTimeRemaining;
10635 DrawPosition(FALSE, boards[currentMove]);
10642 CopyPlayerNameIntoFileName(dest, src)
10645 while (*src != NULLCHAR && *src != ',') {
10650 *(*dest)++ = *src++;
10655 char *DefaultFileName(ext)
10658 static char def[MSG_SIZ];
10661 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
10663 CopyPlayerNameIntoFileName(&p, gameInfo.white);
10665 CopyPlayerNameIntoFileName(&p, gameInfo.black);
10674 /* Save the current game to the given file */
10676 SaveGameToFile(filename, append)
10683 if (strcmp(filename, "-") == 0) {
10684 return SaveGame(stdout, 0, NULL);
10686 f = fopen(filename, append ? "a" : "w");
10688 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10689 DisplayError(buf, errno);
10692 return SaveGame(f, 0, NULL);
10701 static char buf[MSG_SIZ];
10704 p = strchr(str, ' ');
10705 if (p == NULL) return str;
10706 strncpy(buf, str, p - str);
10707 buf[p - str] = NULLCHAR;
10711 #define PGN_MAX_LINE 75
10713 #define PGN_SIDE_WHITE 0
10714 #define PGN_SIDE_BLACK 1
10717 static int FindFirstMoveOutOfBook( int side )
10721 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
10722 int index = backwardMostMove;
10723 int has_book_hit = 0;
10725 if( (index % 2) != side ) {
10729 while( index < forwardMostMove ) {
10730 /* Check to see if engine is in book */
10731 int depth = pvInfoList[index].depth;
10732 int score = pvInfoList[index].score;
10738 else if( score == 0 && depth == 63 ) {
10739 in_book = 1; /* Zappa */
10741 else if( score == 2 && depth == 99 ) {
10742 in_book = 1; /* Abrok */
10745 has_book_hit += in_book;
10761 void GetOutOfBookInfo( char * buf )
10765 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10767 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
10768 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
10772 if( oob[0] >= 0 || oob[1] >= 0 ) {
10773 for( i=0; i<2; i++ ) {
10777 if( i > 0 && oob[0] >= 0 ) {
10778 strcat( buf, " " );
10781 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
10782 sprintf( buf+strlen(buf), "%s%.2f",
10783 pvInfoList[idx].score >= 0 ? "+" : "",
10784 pvInfoList[idx].score / 100.0 );
10790 /* Save game in PGN style and close the file */
10795 int i, offset, linelen, newblock;
10799 int movelen, numlen, blank;
10800 char move_buffer[100]; /* [AS] Buffer for move+PV info */
10802 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10804 tm = time((time_t *) NULL);
10806 PrintPGNTags(f, &gameInfo);
10808 if (backwardMostMove > 0 || startedFromSetupPosition) {
10809 char *fen = PositionToFEN(backwardMostMove, NULL);
10810 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
10811 fprintf(f, "\n{--------------\n");
10812 PrintPosition(f, backwardMostMove);
10813 fprintf(f, "--------------}\n");
10817 /* [AS] Out of book annotation */
10818 if( appData.saveOutOfBookInfo ) {
10821 GetOutOfBookInfo( buf );
10823 if( buf[0] != '\0' ) {
10824 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
10831 i = backwardMostMove;
10835 while (i < forwardMostMove) {
10836 /* Print comments preceding this move */
10837 if (commentList[i] != NULL) {
10838 if (linelen > 0) fprintf(f, "\n");
10839 fprintf(f, "%s", commentList[i]);
10844 /* Format move number */
10845 if ((i % 2) == 0) {
10846 sprintf(numtext, "%d.", (i - offset)/2 + 1);
10849 sprintf(numtext, "%d...", (i - offset)/2 + 1);
10851 numtext[0] = NULLCHAR;
10854 numlen = strlen(numtext);
10857 /* Print move number */
10858 blank = linelen > 0 && numlen > 0;
10859 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
10868 fprintf(f, "%s", numtext);
10872 strcpy(move_buffer, SavePart(parseList[i])); // [HGM] pgn: print move via buffer, so it can be edited
10873 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
10876 blank = linelen > 0 && movelen > 0;
10877 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10886 fprintf(f, "%s", move_buffer);
10887 linelen += movelen;
10889 /* [AS] Add PV info if present */
10890 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
10891 /* [HGM] add time */
10892 char buf[MSG_SIZ]; int seconds;
10894 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
10896 if( seconds <= 0) buf[0] = 0; else
10897 if( seconds < 30 ) sprintf(buf, " %3.1f%c", seconds/10., 0); else {
10898 seconds = (seconds + 4)/10; // round to full seconds
10899 if( seconds < 60 ) sprintf(buf, " %d%c", seconds, 0); else
10900 sprintf(buf, " %d:%02d%c", seconds/60, seconds%60, 0);
10903 sprintf( move_buffer, "{%s%.2f/%d%s}",
10904 pvInfoList[i].score >= 0 ? "+" : "",
10905 pvInfoList[i].score / 100.0,
10906 pvInfoList[i].depth,
10909 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
10911 /* Print score/depth */
10912 blank = linelen > 0 && movelen > 0;
10913 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10922 fprintf(f, "%s", move_buffer);
10923 linelen += movelen;
10929 /* Start a new line */
10930 if (linelen > 0) fprintf(f, "\n");
10932 /* Print comments after last move */
10933 if (commentList[i] != NULL) {
10934 fprintf(f, "%s\n", commentList[i]);
10938 if (gameInfo.resultDetails != NULL &&
10939 gameInfo.resultDetails[0] != NULLCHAR) {
10940 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
10941 PGNResult(gameInfo.result));
10943 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10947 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10951 /* Save game in old style and close the file */
10953 SaveGameOldStyle(f)
10959 tm = time((time_t *) NULL);
10961 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
10964 if (backwardMostMove > 0 || startedFromSetupPosition) {
10965 fprintf(f, "\n[--------------\n");
10966 PrintPosition(f, backwardMostMove);
10967 fprintf(f, "--------------]\n");
10972 i = backwardMostMove;
10973 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10975 while (i < forwardMostMove) {
10976 if (commentList[i] != NULL) {
10977 fprintf(f, "[%s]\n", commentList[i]);
10980 if ((i % 2) == 1) {
10981 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
10984 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
10986 if (commentList[i] != NULL) {
10990 if (i >= forwardMostMove) {
10994 fprintf(f, "%s\n", parseList[i]);
10999 if (commentList[i] != NULL) {
11000 fprintf(f, "[%s]\n", commentList[i]);
11003 /* This isn't really the old style, but it's close enough */
11004 if (gameInfo.resultDetails != NULL &&
11005 gameInfo.resultDetails[0] != NULLCHAR) {
11006 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
11007 gameInfo.resultDetails);
11009 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11016 /* Save the current game to open file f and close the file */
11018 SaveGame(f, dummy, dummy2)
11023 if (gameMode == EditPosition) EditPositionDone(TRUE);
11024 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11025 if (appData.oldSaveStyle)
11026 return SaveGameOldStyle(f);
11028 return SaveGamePGN(f);
11031 /* Save the current position to the given file */
11033 SavePositionToFile(filename)
11039 if (strcmp(filename, "-") == 0) {
11040 return SavePosition(stdout, 0, NULL);
11042 f = fopen(filename, "a");
11044 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11045 DisplayError(buf, errno);
11048 SavePosition(f, 0, NULL);
11054 /* Save the current position to the given open file and close the file */
11056 SavePosition(f, dummy, dummy2)
11064 if (gameMode == EditPosition) EditPositionDone(TRUE);
11065 if (appData.oldSaveStyle) {
11066 tm = time((time_t *) NULL);
11068 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
11070 fprintf(f, "[--------------\n");
11071 PrintPosition(f, currentMove);
11072 fprintf(f, "--------------]\n");
11074 fen = PositionToFEN(currentMove, NULL);
11075 fprintf(f, "%s\n", fen);
11083 ReloadCmailMsgEvent(unregister)
11087 static char *inFilename = NULL;
11088 static char *outFilename;
11090 struct stat inbuf, outbuf;
11093 /* Any registered moves are unregistered if unregister is set, */
11094 /* i.e. invoked by the signal handler */
11096 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11097 cmailMoveRegistered[i] = FALSE;
11098 if (cmailCommentList[i] != NULL) {
11099 free(cmailCommentList[i]);
11100 cmailCommentList[i] = NULL;
11103 nCmailMovesRegistered = 0;
11106 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11107 cmailResult[i] = CMAIL_NOT_RESULT;
11111 if (inFilename == NULL) {
11112 /* Because the filenames are static they only get malloced once */
11113 /* and they never get freed */
11114 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
11115 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
11117 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
11118 sprintf(outFilename, "%s.out", appData.cmailGameName);
11121 status = stat(outFilename, &outbuf);
11123 cmailMailedMove = FALSE;
11125 status = stat(inFilename, &inbuf);
11126 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
11129 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
11130 counts the games, notes how each one terminated, etc.
11132 It would be nice to remove this kludge and instead gather all
11133 the information while building the game list. (And to keep it
11134 in the game list nodes instead of having a bunch of fixed-size
11135 parallel arrays.) Note this will require getting each game's
11136 termination from the PGN tags, as the game list builder does
11137 not process the game moves. --mann
11139 cmailMsgLoaded = TRUE;
11140 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
11142 /* Load first game in the file or popup game menu */
11143 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
11145 #endif /* !WIN32 */
11153 char string[MSG_SIZ];
11155 if ( cmailMailedMove
11156 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
11157 return TRUE; /* Allow free viewing */
11160 /* Unregister move to ensure that we don't leave RegisterMove */
11161 /* with the move registered when the conditions for registering no */
11163 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11164 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11165 nCmailMovesRegistered --;
11167 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
11169 free(cmailCommentList[lastLoadGameNumber - 1]);
11170 cmailCommentList[lastLoadGameNumber - 1] = NULL;
11174 if (cmailOldMove == -1) {
11175 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
11179 if (currentMove > cmailOldMove + 1) {
11180 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
11184 if (currentMove < cmailOldMove) {
11185 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
11189 if (forwardMostMove > currentMove) {
11190 /* Silently truncate extra moves */
11194 if ( (currentMove == cmailOldMove + 1)
11195 || ( (currentMove == cmailOldMove)
11196 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
11197 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
11198 if (gameInfo.result != GameUnfinished) {
11199 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
11202 if (commentList[currentMove] != NULL) {
11203 cmailCommentList[lastLoadGameNumber - 1]
11204 = StrSave(commentList[currentMove]);
11206 strcpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1]);
11208 if (appData.debugMode)
11209 fprintf(debugFP, "Saving %s for game %d\n",
11210 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11213 "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
11215 f = fopen(string, "w");
11216 if (appData.oldSaveStyle) {
11217 SaveGameOldStyle(f); /* also closes the file */
11219 sprintf(string, "%s.pos.out", appData.cmailGameName);
11220 f = fopen(string, "w");
11221 SavePosition(f, 0, NULL); /* also closes the file */
11223 fprintf(f, "{--------------\n");
11224 PrintPosition(f, currentMove);
11225 fprintf(f, "--------------}\n\n");
11227 SaveGame(f, 0, NULL); /* also closes the file*/
11230 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
11231 nCmailMovesRegistered ++;
11232 } else if (nCmailGames == 1) {
11233 DisplayError(_("You have not made a move yet"), 0);
11244 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
11245 FILE *commandOutput;
11246 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
11247 int nBytes = 0; /* Suppress warnings on uninitialized variables */
11253 if (! cmailMsgLoaded) {
11254 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
11258 if (nCmailGames == nCmailResults) {
11259 DisplayError(_("No unfinished games"), 0);
11263 #if CMAIL_PROHIBIT_REMAIL
11264 if (cmailMailedMove) {
11265 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);
11266 DisplayError(msg, 0);
11271 if (! (cmailMailedMove || RegisterMove())) return;
11273 if ( cmailMailedMove
11274 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
11275 sprintf(string, partCommandString,
11276 appData.debugMode ? " -v" : "", appData.cmailGameName);
11277 commandOutput = popen(string, "r");
11279 if (commandOutput == NULL) {
11280 DisplayError(_("Failed to invoke cmail"), 0);
11282 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
11283 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
11285 if (nBuffers > 1) {
11286 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
11287 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
11288 nBytes = MSG_SIZ - 1;
11290 (void) memcpy(msg, buffer, nBytes);
11292 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
11294 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
11295 cmailMailedMove = TRUE; /* Prevent >1 moves */
11298 for (i = 0; i < nCmailGames; i ++) {
11299 if (cmailResult[i] == CMAIL_NOT_RESULT) {
11304 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
11306 sprintf(buffer, "%s/%s.%s.archive",
11308 appData.cmailGameName,
11310 LoadGameFromFile(buffer, 1, buffer, FALSE);
11311 cmailMsgLoaded = FALSE;
11315 DisplayInformation(msg);
11316 pclose(commandOutput);
11319 if ((*cmailMsg) != '\0') {
11320 DisplayInformation(cmailMsg);
11325 #endif /* !WIN32 */
11334 int prependComma = 0;
11336 char string[MSG_SIZ]; /* Space for game-list */
11339 if (!cmailMsgLoaded) return "";
11341 if (cmailMailedMove) {
11342 sprintf(cmailMsg, _("Waiting for reply from opponent\n"));
11344 /* Create a list of games left */
11345 sprintf(string, "[");
11346 for (i = 0; i < nCmailGames; i ++) {
11347 if (! ( cmailMoveRegistered[i]
11348 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
11349 if (prependComma) {
11350 sprintf(number, ",%d", i + 1);
11352 sprintf(number, "%d", i + 1);
11356 strcat(string, number);
11359 strcat(string, "]");
11361 if (nCmailMovesRegistered + nCmailResults == 0) {
11362 switch (nCmailGames) {
11365 _("Still need to make move for game\n"));
11370 _("Still need to make moves for both games\n"));
11375 _("Still need to make moves for all %d games\n"),
11380 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
11383 _("Still need to make a move for game %s\n"),
11388 if (nCmailResults == nCmailGames) {
11389 sprintf(cmailMsg, _("No unfinished games\n"));
11391 sprintf(cmailMsg, _("Ready to send mail\n"));
11397 _("Still need to make moves for games %s\n"),
11409 if (gameMode == Training)
11410 SetTrainingModeOff();
11413 cmailMsgLoaded = FALSE;
11414 if (appData.icsActive) {
11415 SendToICS(ics_prefix);
11416 SendToICS("refresh\n");
11426 /* Give up on clean exit */
11430 /* Keep trying for clean exit */
11434 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
11436 if (telnetISR != NULL) {
11437 RemoveInputSource(telnetISR);
11439 if (icsPR != NoProc) {
11440 DestroyChildProcess(icsPR, TRUE);
11443 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
11444 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
11446 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
11447 /* make sure this other one finishes before killing it! */
11448 if(endingGame) { int count = 0;
11449 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
11450 while(endingGame && count++ < 10) DoSleep(1);
11451 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
11454 /* Kill off chess programs */
11455 if (first.pr != NoProc) {
11458 DoSleep( appData.delayBeforeQuit );
11459 SendToProgram("quit\n", &first);
11460 DoSleep( appData.delayAfterQuit );
11461 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
11463 if (second.pr != NoProc) {
11464 DoSleep( appData.delayBeforeQuit );
11465 SendToProgram("quit\n", &second);
11466 DoSleep( appData.delayAfterQuit );
11467 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
11469 if (first.isr != NULL) {
11470 RemoveInputSource(first.isr);
11472 if (second.isr != NULL) {
11473 RemoveInputSource(second.isr);
11476 ShutDownFrontEnd();
11483 if (appData.debugMode)
11484 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
11488 if (gameMode == MachinePlaysWhite ||
11489 gameMode == MachinePlaysBlack) {
11492 DisplayBothClocks();
11494 if (gameMode == PlayFromGameFile) {
11495 if (appData.timeDelay >= 0)
11496 AutoPlayGameLoop();
11497 } else if (gameMode == IcsExamining && pauseExamInvalid) {
11498 Reset(FALSE, TRUE);
11499 SendToICS(ics_prefix);
11500 SendToICS("refresh\n");
11501 } else if (currentMove < forwardMostMove) {
11502 ForwardInner(forwardMostMove);
11504 pauseExamInvalid = FALSE;
11506 switch (gameMode) {
11510 pauseExamForwardMostMove = forwardMostMove;
11511 pauseExamInvalid = FALSE;
11514 case IcsPlayingWhite:
11515 case IcsPlayingBlack:
11519 case PlayFromGameFile:
11520 (void) StopLoadGameTimer();
11524 case BeginningOfGame:
11525 if (appData.icsActive) return;
11526 /* else fall through */
11527 case MachinePlaysWhite:
11528 case MachinePlaysBlack:
11529 case TwoMachinesPlay:
11530 if (forwardMostMove == 0)
11531 return; /* don't pause if no one has moved */
11532 if ((gameMode == MachinePlaysWhite &&
11533 !WhiteOnMove(forwardMostMove)) ||
11534 (gameMode == MachinePlaysBlack &&
11535 WhiteOnMove(forwardMostMove))) {
11548 char title[MSG_SIZ];
11550 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
11551 strcpy(title, _("Edit comment"));
11553 sprintf(title, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
11554 WhiteOnMove(currentMove - 1) ? " " : ".. ",
11555 parseList[currentMove - 1]);
11558 EditCommentPopUp(currentMove, title, commentList[currentMove]);
11565 char *tags = PGNTags(&gameInfo);
11566 EditTagsPopUp(tags);
11573 if (appData.noChessProgram || gameMode == AnalyzeMode)
11576 if (gameMode != AnalyzeFile) {
11577 if (!appData.icsEngineAnalyze) {
11579 if (gameMode != EditGame) return;
11581 ResurrectChessProgram();
11582 SendToProgram("analyze\n", &first);
11583 first.analyzing = TRUE;
11584 /*first.maybeThinking = TRUE;*/
11585 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11586 EngineOutputPopUp();
11588 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
11593 StartAnalysisClock();
11594 GetTimeMark(&lastNodeCountTime);
11601 if (appData.noChessProgram || gameMode == AnalyzeFile)
11604 if (gameMode != AnalyzeMode) {
11606 if (gameMode != EditGame) return;
11607 ResurrectChessProgram();
11608 SendToProgram("analyze\n", &first);
11609 first.analyzing = TRUE;
11610 /*first.maybeThinking = TRUE;*/
11611 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11612 EngineOutputPopUp();
11614 gameMode = AnalyzeFile;
11619 StartAnalysisClock();
11620 GetTimeMark(&lastNodeCountTime);
11625 MachineWhiteEvent()
11628 char *bookHit = NULL;
11630 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
11634 if (gameMode == PlayFromGameFile ||
11635 gameMode == TwoMachinesPlay ||
11636 gameMode == Training ||
11637 gameMode == AnalyzeMode ||
11638 gameMode == EndOfGame)
11641 if (gameMode == EditPosition)
11642 EditPositionDone(TRUE);
11644 if (!WhiteOnMove(currentMove)) {
11645 DisplayError(_("It is not White's turn"), 0);
11649 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11652 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11653 gameMode == AnalyzeFile)
11656 ResurrectChessProgram(); /* in case it isn't running */
11657 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
11658 gameMode = MachinePlaysWhite;
11661 gameMode = MachinePlaysWhite;
11665 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11667 if (first.sendName) {
11668 sprintf(buf, "name %s\n", gameInfo.black);
11669 SendToProgram(buf, &first);
11671 if (first.sendTime) {
11672 if (first.useColors) {
11673 SendToProgram("black\n", &first); /*gnu kludge*/
11675 SendTimeRemaining(&first, TRUE);
11677 if (first.useColors) {
11678 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
11680 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11681 SetMachineThinkingEnables();
11682 first.maybeThinking = TRUE;
11686 if (appData.autoFlipView && !flipView) {
11687 flipView = !flipView;
11688 DrawPosition(FALSE, NULL);
11689 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11692 if(bookHit) { // [HGM] book: simulate book reply
11693 static char bookMove[MSG_SIZ]; // a bit generous?
11695 programStats.nodes = programStats.depth = programStats.time =
11696 programStats.score = programStats.got_only_move = 0;
11697 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11699 strcpy(bookMove, "move ");
11700 strcat(bookMove, bookHit);
11701 HandleMachineMove(bookMove, &first);
11706 MachineBlackEvent()
11709 char *bookHit = NULL;
11711 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
11715 if (gameMode == PlayFromGameFile ||
11716 gameMode == TwoMachinesPlay ||
11717 gameMode == Training ||
11718 gameMode == AnalyzeMode ||
11719 gameMode == EndOfGame)
11722 if (gameMode == EditPosition)
11723 EditPositionDone(TRUE);
11725 if (WhiteOnMove(currentMove)) {
11726 DisplayError(_("It is not Black's turn"), 0);
11730 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11733 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11734 gameMode == AnalyzeFile)
11737 ResurrectChessProgram(); /* in case it isn't running */
11738 gameMode = MachinePlaysBlack;
11742 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11744 if (first.sendName) {
11745 sprintf(buf, "name %s\n", gameInfo.white);
11746 SendToProgram(buf, &first);
11748 if (first.sendTime) {
11749 if (first.useColors) {
11750 SendToProgram("white\n", &first); /*gnu kludge*/
11752 SendTimeRemaining(&first, FALSE);
11754 if (first.useColors) {
11755 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
11757 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11758 SetMachineThinkingEnables();
11759 first.maybeThinking = TRUE;
11762 if (appData.autoFlipView && flipView) {
11763 flipView = !flipView;
11764 DrawPosition(FALSE, NULL);
11765 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11767 if(bookHit) { // [HGM] book: simulate book reply
11768 static char bookMove[MSG_SIZ]; // a bit generous?
11770 programStats.nodes = programStats.depth = programStats.time =
11771 programStats.score = programStats.got_only_move = 0;
11772 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11774 strcpy(bookMove, "move ");
11775 strcat(bookMove, bookHit);
11776 HandleMachineMove(bookMove, &first);
11782 DisplayTwoMachinesTitle()
11785 if (appData.matchGames > 0) {
11786 if (first.twoMachinesColor[0] == 'w') {
11787 sprintf(buf, "%s vs. %s (%d-%d-%d)",
11788 gameInfo.white, gameInfo.black,
11789 first.matchWins, second.matchWins,
11790 matchGame - 1 - (first.matchWins + second.matchWins));
11792 sprintf(buf, "%s vs. %s (%d-%d-%d)",
11793 gameInfo.white, gameInfo.black,
11794 second.matchWins, first.matchWins,
11795 matchGame - 1 - (first.matchWins + second.matchWins));
11798 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11804 TwoMachinesEvent P((void))
11808 ChessProgramState *onmove;
11809 char *bookHit = NULL;
11811 if (appData.noChessProgram) return;
11813 switch (gameMode) {
11814 case TwoMachinesPlay:
11816 case MachinePlaysWhite:
11817 case MachinePlaysBlack:
11818 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11819 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11823 case BeginningOfGame:
11824 case PlayFromGameFile:
11827 if (gameMode != EditGame) return;
11830 EditPositionDone(TRUE);
11841 // forwardMostMove = currentMove;
11842 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
11843 ResurrectChessProgram(); /* in case first program isn't running */
11845 if (second.pr == NULL) {
11846 StartChessProgram(&second);
11847 if (second.protocolVersion == 1) {
11848 TwoMachinesEventIfReady();
11850 /* kludge: allow timeout for initial "feature" command */
11852 DisplayMessage("", _("Starting second chess program"));
11853 ScheduleDelayedEvent(TwoMachinesEventIfReady, FEATURE_TIMEOUT);
11857 DisplayMessage("", "");
11858 InitChessProgram(&second, FALSE);
11859 SendToProgram("force\n", &second);
11860 if (startedFromSetupPosition) {
11861 SendBoard(&second, backwardMostMove);
11862 if (appData.debugMode) {
11863 fprintf(debugFP, "Two Machines\n");
11866 for (i = backwardMostMove; i < forwardMostMove; i++) {
11867 SendMoveToProgram(i, &second);
11870 gameMode = TwoMachinesPlay;
11874 DisplayTwoMachinesTitle();
11876 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
11882 SendToProgram(first.computerString, &first);
11883 if (first.sendName) {
11884 sprintf(buf, "name %s\n", second.tidy);
11885 SendToProgram(buf, &first);
11887 SendToProgram(second.computerString, &second);
11888 if (second.sendName) {
11889 sprintf(buf, "name %s\n", first.tidy);
11890 SendToProgram(buf, &second);
11894 if (!first.sendTime || !second.sendTime) {
11895 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11896 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11898 if (onmove->sendTime) {
11899 if (onmove->useColors) {
11900 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
11902 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
11904 if (onmove->useColors) {
11905 SendToProgram(onmove->twoMachinesColor, onmove);
11907 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
11908 // SendToProgram("go\n", onmove);
11909 onmove->maybeThinking = TRUE;
11910 SetMachineThinkingEnables();
11914 if(bookHit) { // [HGM] book: simulate book reply
11915 static char bookMove[MSG_SIZ]; // a bit generous?
11917 programStats.nodes = programStats.depth = programStats.time =
11918 programStats.score = programStats.got_only_move = 0;
11919 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11921 strcpy(bookMove, "move ");
11922 strcat(bookMove, bookHit);
11923 savedMessage = bookMove; // args for deferred call
11924 savedState = onmove;
11925 ScheduleDelayedEvent(DeferredBookMove, 1);
11932 if (gameMode == Training) {
11933 SetTrainingModeOff();
11934 gameMode = PlayFromGameFile;
11935 DisplayMessage("", _("Training mode off"));
11937 gameMode = Training;
11938 animateTraining = appData.animate;
11940 /* make sure we are not already at the end of the game */
11941 if (currentMove < forwardMostMove) {
11942 SetTrainingModeOn();
11943 DisplayMessage("", _("Training mode on"));
11945 gameMode = PlayFromGameFile;
11946 DisplayError(_("Already at end of game"), 0);
11955 if (!appData.icsActive) return;
11956 switch (gameMode) {
11957 case IcsPlayingWhite:
11958 case IcsPlayingBlack:
11961 case BeginningOfGame:
11969 EditPositionDone(TRUE);
11982 gameMode = IcsIdle;
11993 switch (gameMode) {
11995 SetTrainingModeOff();
11997 case MachinePlaysWhite:
11998 case MachinePlaysBlack:
11999 case BeginningOfGame:
12000 SendToProgram("force\n", &first);
12001 SetUserThinkingEnables();
12003 case PlayFromGameFile:
12004 (void) StopLoadGameTimer();
12005 if (gameFileFP != NULL) {
12010 EditPositionDone(TRUE);
12015 SendToProgram("force\n", &first);
12017 case TwoMachinesPlay:
12018 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
12019 ResurrectChessProgram();
12020 SetUserThinkingEnables();
12023 ResurrectChessProgram();
12025 case IcsPlayingBlack:
12026 case IcsPlayingWhite:
12027 DisplayError(_("Warning: You are still playing a game"), 0);
12030 DisplayError(_("Warning: You are still observing a game"), 0);
12033 DisplayError(_("Warning: You are still examining a game"), 0);
12044 first.offeredDraw = second.offeredDraw = 0;
12046 if (gameMode == PlayFromGameFile) {
12047 whiteTimeRemaining = timeRemaining[0][currentMove];
12048 blackTimeRemaining = timeRemaining[1][currentMove];
12052 if (gameMode == MachinePlaysWhite ||
12053 gameMode == MachinePlaysBlack ||
12054 gameMode == TwoMachinesPlay ||
12055 gameMode == EndOfGame) {
12056 i = forwardMostMove;
12057 while (i > currentMove) {
12058 SendToProgram("undo\n", &first);
12061 whiteTimeRemaining = timeRemaining[0][currentMove];
12062 blackTimeRemaining = timeRemaining[1][currentMove];
12063 DisplayBothClocks();
12064 if (whiteFlag || blackFlag) {
12065 whiteFlag = blackFlag = 0;
12070 gameMode = EditGame;
12077 EditPositionEvent()
12079 if (gameMode == EditPosition) {
12085 if (gameMode != EditGame) return;
12087 gameMode = EditPosition;
12090 if (currentMove > 0)
12091 CopyBoard(boards[0], boards[currentMove]);
12093 blackPlaysFirst = !WhiteOnMove(currentMove);
12095 currentMove = forwardMostMove = backwardMostMove = 0;
12096 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12103 /* [DM] icsEngineAnalyze - possible call from other functions */
12104 if (appData.icsEngineAnalyze) {
12105 appData.icsEngineAnalyze = FALSE;
12107 DisplayMessage("",_("Close ICS engine analyze..."));
12109 if (first.analysisSupport && first.analyzing) {
12110 SendToProgram("exit\n", &first);
12111 first.analyzing = FALSE;
12113 thinkOutput[0] = NULLCHAR;
12117 EditPositionDone(Boolean fakeRights)
12119 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
12121 startedFromSetupPosition = TRUE;
12122 InitChessProgram(&first, FALSE);
12123 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
12124 boards[0][EP_STATUS] = EP_NONE;
12125 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
12126 if(boards[0][0][BOARD_WIDTH>>1] == king) {
12127 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
12128 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
12129 } else boards[0][CASTLING][2] = NoRights;
12130 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
12131 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
12132 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
12133 } else boards[0][CASTLING][5] = NoRights;
12135 SendToProgram("force\n", &first);
12136 if (blackPlaysFirst) {
12137 strcpy(moveList[0], "");
12138 strcpy(parseList[0], "");
12139 currentMove = forwardMostMove = backwardMostMove = 1;
12140 CopyBoard(boards[1], boards[0]);
12142 currentMove = forwardMostMove = backwardMostMove = 0;
12144 SendBoard(&first, forwardMostMove);
12145 if (appData.debugMode) {
12146 fprintf(debugFP, "EditPosDone\n");
12149 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12150 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12151 gameMode = EditGame;
12153 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12154 ClearHighlights(); /* [AS] */
12157 /* Pause for `ms' milliseconds */
12158 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12168 } while (SubtractTimeMarks(&m2, &m1) < ms);
12171 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12173 SendMultiLineToICS(buf)
12176 char temp[MSG_SIZ+1], *p;
12183 strncpy(temp, buf, len);
12188 if (*p == '\n' || *p == '\r')
12193 strcat(temp, "\n");
12195 SendToPlayer(temp, strlen(temp));
12199 SetWhiteToPlayEvent()
12201 if (gameMode == EditPosition) {
12202 blackPlaysFirst = FALSE;
12203 DisplayBothClocks(); /* works because currentMove is 0 */
12204 } else if (gameMode == IcsExamining) {
12205 SendToICS(ics_prefix);
12206 SendToICS("tomove white\n");
12211 SetBlackToPlayEvent()
12213 if (gameMode == EditPosition) {
12214 blackPlaysFirst = TRUE;
12215 currentMove = 1; /* kludge */
12216 DisplayBothClocks();
12218 } else if (gameMode == IcsExamining) {
12219 SendToICS(ics_prefix);
12220 SendToICS("tomove black\n");
12225 EditPositionMenuEvent(selection, x, y)
12226 ChessSquare selection;
12230 ChessSquare piece = boards[0][y][x];
12232 if (gameMode != EditPosition && gameMode != IcsExamining) return;
12234 switch (selection) {
12236 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
12237 SendToICS(ics_prefix);
12238 SendToICS("bsetup clear\n");
12239 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
12240 SendToICS(ics_prefix);
12241 SendToICS("clearboard\n");
12243 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
12244 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
12245 for (y = 0; y < BOARD_HEIGHT; y++) {
12246 if (gameMode == IcsExamining) {
12247 if (boards[currentMove][y][x] != EmptySquare) {
12248 sprintf(buf, "%sx@%c%c\n", ics_prefix,
12253 boards[0][y][x] = p;
12258 if (gameMode == EditPosition) {
12259 DrawPosition(FALSE, boards[0]);
12264 SetWhiteToPlayEvent();
12268 SetBlackToPlayEvent();
12272 if (gameMode == IcsExamining) {
12273 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12274 sprintf(buf, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
12277 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12278 if(x == BOARD_LEFT-2) {
12279 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
12280 boards[0][y][1] = 0;
12282 if(x == BOARD_RGHT+1) {
12283 if(y >= gameInfo.holdingsSize) break;
12284 boards[0][y][BOARD_WIDTH-2] = 0;
12287 boards[0][y][x] = EmptySquare;
12288 DrawPosition(FALSE, boards[0]);
12293 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
12294 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
12295 selection = (ChessSquare) (PROMOTED piece);
12296 } else if(piece == EmptySquare) selection = WhiteSilver;
12297 else selection = (ChessSquare)((int)piece - 1);
12301 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
12302 piece > (int)BlackMan && piece <= (int)BlackKing ) {
12303 selection = (ChessSquare) (DEMOTED piece);
12304 } else if(piece == EmptySquare) selection = BlackSilver;
12305 else selection = (ChessSquare)((int)piece + 1);
12310 if(gameInfo.variant == VariantShatranj ||
12311 gameInfo.variant == VariantXiangqi ||
12312 gameInfo.variant == VariantCourier ||
12313 gameInfo.variant == VariantMakruk )
12314 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
12319 if(gameInfo.variant == VariantXiangqi)
12320 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
12321 if(gameInfo.variant == VariantKnightmate)
12322 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
12325 if (gameMode == IcsExamining) {
12326 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12327 sprintf(buf, "%s%c@%c%c\n", ics_prefix,
12328 PieceToChar(selection), AAA + x, ONE + y);
12331 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12333 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
12334 n = PieceToNumber(selection - BlackPawn);
12335 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
12336 boards[0][BOARD_HEIGHT-1-n][0] = selection;
12337 boards[0][BOARD_HEIGHT-1-n][1]++;
12339 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
12340 n = PieceToNumber(selection);
12341 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
12342 boards[0][n][BOARD_WIDTH-1] = selection;
12343 boards[0][n][BOARD_WIDTH-2]++;
12346 boards[0][y][x] = selection;
12347 DrawPosition(TRUE, boards[0]);
12355 DropMenuEvent(selection, x, y)
12356 ChessSquare selection;
12359 ChessMove moveType;
12361 switch (gameMode) {
12362 case IcsPlayingWhite:
12363 case MachinePlaysBlack:
12364 if (!WhiteOnMove(currentMove)) {
12365 DisplayMoveError(_("It is Black's turn"));
12368 moveType = WhiteDrop;
12370 case IcsPlayingBlack:
12371 case MachinePlaysWhite:
12372 if (WhiteOnMove(currentMove)) {
12373 DisplayMoveError(_("It is White's turn"));
12376 moveType = BlackDrop;
12379 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
12385 if (moveType == BlackDrop && selection < BlackPawn) {
12386 selection = (ChessSquare) ((int) selection
12387 + (int) BlackPawn - (int) WhitePawn);
12389 if (boards[currentMove][y][x] != EmptySquare) {
12390 DisplayMoveError(_("That square is occupied"));
12394 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
12400 /* Accept a pending offer of any kind from opponent */
12402 if (appData.icsActive) {
12403 SendToICS(ics_prefix);
12404 SendToICS("accept\n");
12405 } else if (cmailMsgLoaded) {
12406 if (currentMove == cmailOldMove &&
12407 commentList[cmailOldMove] != NULL &&
12408 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12409 "Black offers a draw" : "White offers a draw")) {
12411 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12412 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12414 DisplayError(_("There is no pending offer on this move"), 0);
12415 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12418 /* Not used for offers from chess program */
12425 /* Decline a pending offer of any kind from opponent */
12427 if (appData.icsActive) {
12428 SendToICS(ics_prefix);
12429 SendToICS("decline\n");
12430 } else if (cmailMsgLoaded) {
12431 if (currentMove == cmailOldMove &&
12432 commentList[cmailOldMove] != NULL &&
12433 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12434 "Black offers a draw" : "White offers a draw")) {
12436 AppendComment(cmailOldMove, "Draw declined", TRUE);
12437 DisplayComment(cmailOldMove - 1, "Draw declined");
12440 DisplayError(_("There is no pending offer on this move"), 0);
12443 /* Not used for offers from chess program */
12450 /* Issue ICS rematch command */
12451 if (appData.icsActive) {
12452 SendToICS(ics_prefix);
12453 SendToICS("rematch\n");
12460 /* Call your opponent's flag (claim a win on time) */
12461 if (appData.icsActive) {
12462 SendToICS(ics_prefix);
12463 SendToICS("flag\n");
12465 switch (gameMode) {
12468 case MachinePlaysWhite:
12471 GameEnds(GameIsDrawn, "Both players ran out of time",
12474 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
12476 DisplayError(_("Your opponent is not out of time"), 0);
12479 case MachinePlaysBlack:
12482 GameEnds(GameIsDrawn, "Both players ran out of time",
12485 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
12487 DisplayError(_("Your opponent is not out of time"), 0);
12497 /* Offer draw or accept pending draw offer from opponent */
12499 if (appData.icsActive) {
12500 /* Note: tournament rules require draw offers to be
12501 made after you make your move but before you punch
12502 your clock. Currently ICS doesn't let you do that;
12503 instead, you immediately punch your clock after making
12504 a move, but you can offer a draw at any time. */
12506 SendToICS(ics_prefix);
12507 SendToICS("draw\n");
12508 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
12509 } else if (cmailMsgLoaded) {
12510 if (currentMove == cmailOldMove &&
12511 commentList[cmailOldMove] != NULL &&
12512 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12513 "Black offers a draw" : "White offers a draw")) {
12514 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12515 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12516 } else if (currentMove == cmailOldMove + 1) {
12517 char *offer = WhiteOnMove(cmailOldMove) ?
12518 "White offers a draw" : "Black offers a draw";
12519 AppendComment(currentMove, offer, TRUE);
12520 DisplayComment(currentMove - 1, offer);
12521 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
12523 DisplayError(_("You must make your move before offering a draw"), 0);
12524 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12526 } else if (first.offeredDraw) {
12527 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
12529 if (first.sendDrawOffers) {
12530 SendToProgram("draw\n", &first);
12531 userOfferedDraw = TRUE;
12539 /* Offer Adjourn or accept pending Adjourn offer from opponent */
12541 if (appData.icsActive) {
12542 SendToICS(ics_prefix);
12543 SendToICS("adjourn\n");
12545 /* Currently GNU Chess doesn't offer or accept Adjourns */
12553 /* Offer Abort or accept pending Abort offer from opponent */
12555 if (appData.icsActive) {
12556 SendToICS(ics_prefix);
12557 SendToICS("abort\n");
12559 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
12566 /* Resign. You can do this even if it's not your turn. */
12568 if (appData.icsActive) {
12569 SendToICS(ics_prefix);
12570 SendToICS("resign\n");
12572 switch (gameMode) {
12573 case MachinePlaysWhite:
12574 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12576 case MachinePlaysBlack:
12577 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12580 if (cmailMsgLoaded) {
12582 if (WhiteOnMove(cmailOldMove)) {
12583 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12585 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12587 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
12598 StopObservingEvent()
12600 /* Stop observing current games */
12601 SendToICS(ics_prefix);
12602 SendToICS("unobserve\n");
12606 StopExaminingEvent()
12608 /* Stop observing current game */
12609 SendToICS(ics_prefix);
12610 SendToICS("unexamine\n");
12614 ForwardInner(target)
12619 if (appData.debugMode)
12620 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
12621 target, currentMove, forwardMostMove);
12623 if (gameMode == EditPosition)
12626 if (gameMode == PlayFromGameFile && !pausing)
12629 if (gameMode == IcsExamining && pausing)
12630 limit = pauseExamForwardMostMove;
12632 limit = forwardMostMove;
12634 if (target > limit) target = limit;
12636 if (target > 0 && moveList[target - 1][0]) {
12637 int fromX, fromY, toX, toY;
12638 toX = moveList[target - 1][2] - AAA;
12639 toY = moveList[target - 1][3] - ONE;
12640 if (moveList[target - 1][1] == '@') {
12641 if (appData.highlightLastMove) {
12642 SetHighlights(-1, -1, toX, toY);
12645 fromX = moveList[target - 1][0] - AAA;
12646 fromY = moveList[target - 1][1] - ONE;
12647 if (target == currentMove + 1) {
12648 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12650 if (appData.highlightLastMove) {
12651 SetHighlights(fromX, fromY, toX, toY);
12655 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12656 gameMode == Training || gameMode == PlayFromGameFile ||
12657 gameMode == AnalyzeFile) {
12658 while (currentMove < target) {
12659 SendMoveToProgram(currentMove++, &first);
12662 currentMove = target;
12665 if (gameMode == EditGame || gameMode == EndOfGame) {
12666 whiteTimeRemaining = timeRemaining[0][currentMove];
12667 blackTimeRemaining = timeRemaining[1][currentMove];
12669 DisplayBothClocks();
12670 DisplayMove(currentMove - 1);
12671 DrawPosition(FALSE, boards[currentMove]);
12672 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12673 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
12674 DisplayComment(currentMove - 1, commentList[currentMove]);
12682 if (gameMode == IcsExamining && !pausing) {
12683 SendToICS(ics_prefix);
12684 SendToICS("forward\n");
12686 ForwardInner(currentMove + 1);
12693 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12694 /* to optimze, we temporarily turn off analysis mode while we feed
12695 * the remaining moves to the engine. Otherwise we get analysis output
12698 if (first.analysisSupport) {
12699 SendToProgram("exit\nforce\n", &first);
12700 first.analyzing = FALSE;
12704 if (gameMode == IcsExamining && !pausing) {
12705 SendToICS(ics_prefix);
12706 SendToICS("forward 999999\n");
12708 ForwardInner(forwardMostMove);
12711 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12712 /* we have fed all the moves, so reactivate analysis mode */
12713 SendToProgram("analyze\n", &first);
12714 first.analyzing = TRUE;
12715 /*first.maybeThinking = TRUE;*/
12716 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12721 BackwardInner(target)
12724 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
12726 if (appData.debugMode)
12727 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
12728 target, currentMove, forwardMostMove);
12730 if (gameMode == EditPosition) return;
12731 if (currentMove <= backwardMostMove) {
12733 DrawPosition(full_redraw, boards[currentMove]);
12736 if (gameMode == PlayFromGameFile && !pausing)
12739 if (moveList[target][0]) {
12740 int fromX, fromY, toX, toY;
12741 toX = moveList[target][2] - AAA;
12742 toY = moveList[target][3] - ONE;
12743 if (moveList[target][1] == '@') {
12744 if (appData.highlightLastMove) {
12745 SetHighlights(-1, -1, toX, toY);
12748 fromX = moveList[target][0] - AAA;
12749 fromY = moveList[target][1] - ONE;
12750 if (target == currentMove - 1) {
12751 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
12753 if (appData.highlightLastMove) {
12754 SetHighlights(fromX, fromY, toX, toY);
12758 if (gameMode == EditGame || gameMode==AnalyzeMode ||
12759 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
12760 while (currentMove > target) {
12761 SendToProgram("undo\n", &first);
12765 currentMove = target;
12768 if (gameMode == EditGame || gameMode == EndOfGame) {
12769 whiteTimeRemaining = timeRemaining[0][currentMove];
12770 blackTimeRemaining = timeRemaining[1][currentMove];
12772 DisplayBothClocks();
12773 DisplayMove(currentMove - 1);
12774 DrawPosition(full_redraw, boards[currentMove]);
12775 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12776 // [HGM] PV info: routine tests if comment empty
12777 DisplayComment(currentMove - 1, commentList[currentMove]);
12783 if (gameMode == IcsExamining && !pausing) {
12784 SendToICS(ics_prefix);
12785 SendToICS("backward\n");
12787 BackwardInner(currentMove - 1);
12794 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12795 /* to optimize, we temporarily turn off analysis mode while we undo
12796 * all the moves. Otherwise we get analysis output after each undo.
12798 if (first.analysisSupport) {
12799 SendToProgram("exit\nforce\n", &first);
12800 first.analyzing = FALSE;
12804 if (gameMode == IcsExamining && !pausing) {
12805 SendToICS(ics_prefix);
12806 SendToICS("backward 999999\n");
12808 BackwardInner(backwardMostMove);
12811 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12812 /* we have fed all the moves, so reactivate analysis mode */
12813 SendToProgram("analyze\n", &first);
12814 first.analyzing = TRUE;
12815 /*first.maybeThinking = TRUE;*/
12816 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12823 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
12824 if (to >= forwardMostMove) to = forwardMostMove;
12825 if (to <= backwardMostMove) to = backwardMostMove;
12826 if (to < currentMove) {
12834 RevertEvent(Boolean annotate)
12836 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
12839 if (gameMode != IcsExamining) {
12840 DisplayError(_("You are not examining a game"), 0);
12844 DisplayError(_("You can't revert while pausing"), 0);
12847 SendToICS(ics_prefix);
12848 SendToICS("revert\n");
12854 switch (gameMode) {
12855 case MachinePlaysWhite:
12856 case MachinePlaysBlack:
12857 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12858 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12861 if (forwardMostMove < 2) return;
12862 currentMove = forwardMostMove = forwardMostMove - 2;
12863 whiteTimeRemaining = timeRemaining[0][currentMove];
12864 blackTimeRemaining = timeRemaining[1][currentMove];
12865 DisplayBothClocks();
12866 DisplayMove(currentMove - 1);
12867 ClearHighlights();/*!! could figure this out*/
12868 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
12869 SendToProgram("remove\n", &first);
12870 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
12873 case BeginningOfGame:
12877 case IcsPlayingWhite:
12878 case IcsPlayingBlack:
12879 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
12880 SendToICS(ics_prefix);
12881 SendToICS("takeback 2\n");
12883 SendToICS(ics_prefix);
12884 SendToICS("takeback 1\n");
12893 ChessProgramState *cps;
12895 switch (gameMode) {
12896 case MachinePlaysWhite:
12897 if (!WhiteOnMove(forwardMostMove)) {
12898 DisplayError(_("It is your turn"), 0);
12903 case MachinePlaysBlack:
12904 if (WhiteOnMove(forwardMostMove)) {
12905 DisplayError(_("It is your turn"), 0);
12910 case TwoMachinesPlay:
12911 if (WhiteOnMove(forwardMostMove) ==
12912 (first.twoMachinesColor[0] == 'w')) {
12918 case BeginningOfGame:
12922 SendToProgram("?\n", cps);
12926 TruncateGameEvent()
12929 if (gameMode != EditGame) return;
12936 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
12937 if (forwardMostMove > currentMove) {
12938 if (gameInfo.resultDetails != NULL) {
12939 free(gameInfo.resultDetails);
12940 gameInfo.resultDetails = NULL;
12941 gameInfo.result = GameUnfinished;
12943 forwardMostMove = currentMove;
12944 HistorySet(parseList, backwardMostMove, forwardMostMove,
12952 if (appData.noChessProgram) return;
12953 switch (gameMode) {
12954 case MachinePlaysWhite:
12955 if (WhiteOnMove(forwardMostMove)) {
12956 DisplayError(_("Wait until your turn"), 0);
12960 case BeginningOfGame:
12961 case MachinePlaysBlack:
12962 if (!WhiteOnMove(forwardMostMove)) {
12963 DisplayError(_("Wait until your turn"), 0);
12968 DisplayError(_("No hint available"), 0);
12971 SendToProgram("hint\n", &first);
12972 hintRequested = TRUE;
12978 if (appData.noChessProgram) return;
12979 switch (gameMode) {
12980 case MachinePlaysWhite:
12981 if (WhiteOnMove(forwardMostMove)) {
12982 DisplayError(_("Wait until your turn"), 0);
12986 case BeginningOfGame:
12987 case MachinePlaysBlack:
12988 if (!WhiteOnMove(forwardMostMove)) {
12989 DisplayError(_("Wait until your turn"), 0);
12994 EditPositionDone(TRUE);
12996 case TwoMachinesPlay:
13001 SendToProgram("bk\n", &first);
13002 bookOutput[0] = NULLCHAR;
13003 bookRequested = TRUE;
13009 char *tags = PGNTags(&gameInfo);
13010 TagsPopUp(tags, CmailMsg());
13014 /* end button procedures */
13017 PrintPosition(fp, move)
13023 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13024 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
13025 char c = PieceToChar(boards[move][i][j]);
13026 fputc(c == 'x' ? '.' : c, fp);
13027 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
13030 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
13031 fprintf(fp, "white to play\n");
13033 fprintf(fp, "black to play\n");
13040 if (gameInfo.white != NULL) {
13041 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
13047 /* Find last component of program's own name, using some heuristics */
13049 TidyProgramName(prog, host, buf)
13050 char *prog, *host, buf[MSG_SIZ];
13053 int local = (strcmp(host, "localhost") == 0);
13054 while (!local && (p = strchr(prog, ';')) != NULL) {
13056 while (*p == ' ') p++;
13059 if (*prog == '"' || *prog == '\'') {
13060 q = strchr(prog + 1, *prog);
13062 q = strchr(prog, ' ');
13064 if (q == NULL) q = prog + strlen(prog);
13066 while (p >= prog && *p != '/' && *p != '\\') p--;
13068 if(p == prog && *p == '"') p++;
13069 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
13070 memcpy(buf, p, q - p);
13071 buf[q - p] = NULLCHAR;
13079 TimeControlTagValue()
13082 if (!appData.clockMode) {
13084 } else if (movesPerSession > 0) {
13085 sprintf(buf, "%d/%ld", movesPerSession, timeControl/1000);
13086 } else if (timeIncrement == 0) {
13087 sprintf(buf, "%ld", timeControl/1000);
13089 sprintf(buf, "%ld+%ld", timeControl/1000, timeIncrement/1000);
13091 return StrSave(buf);
13097 /* This routine is used only for certain modes */
13098 VariantClass v = gameInfo.variant;
13099 ChessMove r = GameUnfinished;
13102 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
13103 r = gameInfo.result;
13104 p = gameInfo.resultDetails;
13105 gameInfo.resultDetails = NULL;
13107 ClearGameInfo(&gameInfo);
13108 gameInfo.variant = v;
13110 switch (gameMode) {
13111 case MachinePlaysWhite:
13112 gameInfo.event = StrSave( appData.pgnEventHeader );
13113 gameInfo.site = StrSave(HostName());
13114 gameInfo.date = PGNDate();
13115 gameInfo.round = StrSave("-");
13116 gameInfo.white = StrSave(first.tidy);
13117 gameInfo.black = StrSave(UserName());
13118 gameInfo.timeControl = TimeControlTagValue();
13121 case MachinePlaysBlack:
13122 gameInfo.event = StrSave( appData.pgnEventHeader );
13123 gameInfo.site = StrSave(HostName());
13124 gameInfo.date = PGNDate();
13125 gameInfo.round = StrSave("-");
13126 gameInfo.white = StrSave(UserName());
13127 gameInfo.black = StrSave(first.tidy);
13128 gameInfo.timeControl = TimeControlTagValue();
13131 case TwoMachinesPlay:
13132 gameInfo.event = StrSave( appData.pgnEventHeader );
13133 gameInfo.site = StrSave(HostName());
13134 gameInfo.date = PGNDate();
13135 if (matchGame > 0) {
13137 sprintf(buf, "%d", matchGame);
13138 gameInfo.round = StrSave(buf);
13140 gameInfo.round = StrSave("-");
13142 if (first.twoMachinesColor[0] == 'w') {
13143 gameInfo.white = StrSave(first.tidy);
13144 gameInfo.black = StrSave(second.tidy);
13146 gameInfo.white = StrSave(second.tidy);
13147 gameInfo.black = StrSave(first.tidy);
13149 gameInfo.timeControl = TimeControlTagValue();
13153 gameInfo.event = StrSave("Edited game");
13154 gameInfo.site = StrSave(HostName());
13155 gameInfo.date = PGNDate();
13156 gameInfo.round = StrSave("-");
13157 gameInfo.white = StrSave("-");
13158 gameInfo.black = StrSave("-");
13159 gameInfo.result = r;
13160 gameInfo.resultDetails = p;
13164 gameInfo.event = StrSave("Edited position");
13165 gameInfo.site = StrSave(HostName());
13166 gameInfo.date = PGNDate();
13167 gameInfo.round = StrSave("-");
13168 gameInfo.white = StrSave("-");
13169 gameInfo.black = StrSave("-");
13172 case IcsPlayingWhite:
13173 case IcsPlayingBlack:
13178 case PlayFromGameFile:
13179 gameInfo.event = StrSave("Game from non-PGN file");
13180 gameInfo.site = StrSave(HostName());
13181 gameInfo.date = PGNDate();
13182 gameInfo.round = StrSave("-");
13183 gameInfo.white = StrSave("?");
13184 gameInfo.black = StrSave("?");
13193 ReplaceComment(index, text)
13199 while (*text == '\n') text++;
13200 len = strlen(text);
13201 while (len > 0 && text[len - 1] == '\n') len--;
13203 if (commentList[index] != NULL)
13204 free(commentList[index]);
13207 commentList[index] = NULL;
13210 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
13211 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
13212 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
13213 commentList[index] = (char *) malloc(len + 2);
13214 strncpy(commentList[index], text, len);
13215 commentList[index][len] = '\n';
13216 commentList[index][len + 1] = NULLCHAR;
13218 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
13220 commentList[index] = (char *) malloc(len + 6);
13221 strcpy(commentList[index], "{\n");
13222 strncpy(commentList[index]+2, text, len);
13223 commentList[index][len+2] = NULLCHAR;
13224 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
13225 strcat(commentList[index], "\n}\n");
13239 if (ch == '\r') continue;
13241 } while (ch != '\0');
13245 AppendComment(index, text, addBraces)
13248 Boolean addBraces; // [HGM] braces: tells if we should add {}
13253 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
13254 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
13257 while (*text == '\n') text++;
13258 len = strlen(text);
13259 while (len > 0 && text[len - 1] == '\n') len--;
13261 if (len == 0) return;
13263 if (commentList[index] != NULL) {
13264 old = commentList[index];
13265 oldlen = strlen(old);
13266 while(commentList[index][oldlen-1] == '\n')
13267 commentList[index][--oldlen] = NULLCHAR;
13268 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
13269 strcpy(commentList[index], old);
13271 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
13272 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces)) {
13273 if(addBraces) addBraces = FALSE; else { text++; len--; }
13274 while (*text == '\n') { text++; len--; }
13275 commentList[index][--oldlen] = NULLCHAR;
13277 if(addBraces) strcat(commentList[index], "\n{\n");
13278 else strcat(commentList[index], "\n");
13279 strcat(commentList[index], text);
13280 if(addBraces) strcat(commentList[index], "\n}\n");
13281 else strcat(commentList[index], "\n");
13283 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
13285 strcpy(commentList[index], "{\n");
13286 else commentList[index][0] = NULLCHAR;
13287 strcat(commentList[index], text);
13288 strcat(commentList[index], "\n");
13289 if(addBraces) strcat(commentList[index], "}\n");
13293 static char * FindStr( char * text, char * sub_text )
13295 char * result = strstr( text, sub_text );
13297 if( result != NULL ) {
13298 result += strlen( sub_text );
13304 /* [AS] Try to extract PV info from PGN comment */
13305 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
13306 char *GetInfoFromComment( int index, char * text )
13310 if( text != NULL && index > 0 ) {
13313 int time = -1, sec = 0, deci;
13314 char * s_eval = FindStr( text, "[%eval " );
13315 char * s_emt = FindStr( text, "[%emt " );
13317 if( s_eval != NULL || s_emt != NULL ) {
13321 if( s_eval != NULL ) {
13322 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
13326 if( delim != ']' ) {
13331 if( s_emt != NULL ) {
13336 /* We expect something like: [+|-]nnn.nn/dd */
13339 if(*text != '{') return text; // [HGM] braces: must be normal comment
13341 sep = strchr( text, '/' );
13342 if( sep == NULL || sep < (text+4) ) {
13346 time = -1; sec = -1; deci = -1;
13347 if( sscanf( text+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
13348 sscanf( text+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
13349 sscanf( text+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
13350 sscanf( text+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
13354 if( score_lo < 0 || score_lo >= 100 ) {
13358 if(sec >= 0) time = 600*time + 10*sec; else
13359 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
13361 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
13363 /* [HGM] PV time: now locate end of PV info */
13364 while( *++sep >= '0' && *sep <= '9'); // strip depth
13366 while( *++sep >= '0' && *sep <= '9'); // strip time
13368 while( *++sep >= '0' && *sep <= '9'); // strip seconds
13370 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
13371 while(*sep == ' ') sep++;
13382 pvInfoList[index-1].depth = depth;
13383 pvInfoList[index-1].score = score;
13384 pvInfoList[index-1].time = 10*time; // centi-sec
13385 if(*sep == '}') *sep = 0; else *--sep = '{';
13391 SendToProgram(message, cps)
13393 ChessProgramState *cps;
13395 int count, outCount, error;
13398 if (cps->pr == NULL) return;
13401 if (appData.debugMode) {
13404 fprintf(debugFP, "%ld >%-6s: %s",
13405 SubtractTimeMarks(&now, &programStartTime),
13406 cps->which, message);
13409 count = strlen(message);
13410 outCount = OutputToProcess(cps->pr, message, count, &error);
13411 if (outCount < count && !exiting
13412 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
13413 sprintf(buf, _("Error writing to %s chess program"), cps->which);
13414 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13415 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13416 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13417 sprintf(buf, "%s program exits in draw position (%s)", cps->which, cps->program);
13419 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13421 gameInfo.resultDetails = StrSave(buf);
13423 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13428 ReceiveFromProgram(isr, closure, message, count, error)
13429 InputSourceRef isr;
13437 ChessProgramState *cps = (ChessProgramState *)closure;
13439 if (isr != cps->isr) return; /* Killed intentionally */
13443 _("Error: %s chess program (%s) exited unexpectedly"),
13444 cps->which, cps->program);
13445 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13446 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13447 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13448 sprintf(buf, _("%s program exits in draw position (%s)"), cps->which, cps->program);
13450 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13452 gameInfo.resultDetails = StrSave(buf);
13454 RemoveInputSource(cps->isr);
13455 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
13458 _("Error reading from %s chess program (%s)"),
13459 cps->which, cps->program);
13460 RemoveInputSource(cps->isr);
13462 /* [AS] Program is misbehaving badly... kill it */
13463 if( count == -2 ) {
13464 DestroyChildProcess( cps->pr, 9 );
13468 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13473 if ((end_str = strchr(message, '\r')) != NULL)
13474 *end_str = NULLCHAR;
13475 if ((end_str = strchr(message, '\n')) != NULL)
13476 *end_str = NULLCHAR;
13478 if (appData.debugMode) {
13479 TimeMark now; int print = 1;
13480 char *quote = ""; char c; int i;
13482 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
13483 char start = message[0];
13484 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
13485 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
13486 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
13487 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
13488 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
13489 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
13490 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
13491 sscanf(message, "pong %c", &c)!=1 && start != '#') {
13492 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
13493 print = (appData.engineComments >= 2);
13495 message[0] = start; // restore original message
13499 fprintf(debugFP, "%ld <%-6s: %s%s\n",
13500 SubtractTimeMarks(&now, &programStartTime), cps->which,
13506 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
13507 if (appData.icsEngineAnalyze) {
13508 if (strstr(message, "whisper") != NULL ||
13509 strstr(message, "kibitz") != NULL ||
13510 strstr(message, "tellics") != NULL) return;
13513 HandleMachineMove(message, cps);
13518 SendTimeControl(cps, mps, tc, inc, sd, st)
13519 ChessProgramState *cps;
13520 int mps, inc, sd, st;
13526 if( timeControl_2 > 0 ) {
13527 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
13528 tc = timeControl_2;
13531 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
13532 inc /= cps->timeOdds;
13533 st /= cps->timeOdds;
13535 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
13538 /* Set exact time per move, normally using st command */
13539 if (cps->stKludge) {
13540 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
13542 if (seconds == 0) {
13543 sprintf(buf, "level 1 %d\n", st/60);
13545 sprintf(buf, "level 1 %d:%02d\n", st/60, seconds);
13548 sprintf(buf, "st %d\n", st);
13551 /* Set conventional or incremental time control, using level command */
13552 if (seconds == 0) {
13553 /* Note old gnuchess bug -- minutes:seconds used to not work.
13554 Fixed in later versions, but still avoid :seconds
13555 when seconds is 0. */
13556 sprintf(buf, "level %d %ld %d\n", mps, tc/60000, inc/1000);
13558 sprintf(buf, "level %d %ld:%02d %d\n", mps, tc/60000,
13559 seconds, inc/1000);
13562 SendToProgram(buf, cps);
13564 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
13565 /* Orthogonally, limit search to given depth */
13567 if (cps->sdKludge) {
13568 sprintf(buf, "depth\n%d\n", sd);
13570 sprintf(buf, "sd %d\n", sd);
13572 SendToProgram(buf, cps);
13575 if(cps->nps > 0) { /* [HGM] nps */
13576 if(cps->supportsNPS == FALSE) cps->nps = -1; // don't use if engine explicitly says not supported!
13578 sprintf(buf, "nps %d\n", cps->nps);
13579 SendToProgram(buf, cps);
13584 ChessProgramState *WhitePlayer()
13585 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
13587 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
13588 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
13594 SendTimeRemaining(cps, machineWhite)
13595 ChessProgramState *cps;
13596 int /*boolean*/ machineWhite;
13598 char message[MSG_SIZ];
13601 /* Note: this routine must be called when the clocks are stopped
13602 or when they have *just* been set or switched; otherwise
13603 it will be off by the time since the current tick started.
13605 if (machineWhite) {
13606 time = whiteTimeRemaining / 10;
13607 otime = blackTimeRemaining / 10;
13609 time = blackTimeRemaining / 10;
13610 otime = whiteTimeRemaining / 10;
13612 /* [HGM] translate opponent's time by time-odds factor */
13613 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
13614 if (appData.debugMode) {
13615 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
13618 if (time <= 0) time = 1;
13619 if (otime <= 0) otime = 1;
13621 sprintf(message, "time %ld\n", time);
13622 SendToProgram(message, cps);
13624 sprintf(message, "otim %ld\n", otime);
13625 SendToProgram(message, cps);
13629 BoolFeature(p, name, loc, cps)
13633 ChessProgramState *cps;
13636 int len = strlen(name);
13638 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13640 sscanf(*p, "%d", &val);
13642 while (**p && **p != ' ') (*p)++;
13643 sprintf(buf, "accepted %s\n", name);
13644 SendToProgram(buf, cps);
13651 IntFeature(p, name, loc, cps)
13655 ChessProgramState *cps;
13658 int len = strlen(name);
13659 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13661 sscanf(*p, "%d", loc);
13662 while (**p && **p != ' ') (*p)++;
13663 sprintf(buf, "accepted %s\n", name);
13664 SendToProgram(buf, cps);
13671 StringFeature(p, name, loc, cps)
13675 ChessProgramState *cps;
13678 int len = strlen(name);
13679 if (strncmp((*p), name, len) == 0
13680 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
13682 sscanf(*p, "%[^\"]", loc);
13683 while (**p && **p != '\"') (*p)++;
13684 if (**p == '\"') (*p)++;
13685 sprintf(buf, "accepted %s\n", name);
13686 SendToProgram(buf, cps);
13693 ParseOption(Option *opt, ChessProgramState *cps)
13694 // [HGM] options: process the string that defines an engine option, and determine
13695 // name, type, default value, and allowed value range
13697 char *p, *q, buf[MSG_SIZ];
13698 int n, min = (-1)<<31, max = 1<<31, def;
13700 if(p = strstr(opt->name, " -spin ")) {
13701 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13702 if(max < min) max = min; // enforce consistency
13703 if(def < min) def = min;
13704 if(def > max) def = max;
13709 } else if((p = strstr(opt->name, " -slider "))) {
13710 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
13711 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13712 if(max < min) max = min; // enforce consistency
13713 if(def < min) def = min;
13714 if(def > max) def = max;
13718 opt->type = Spin; // Slider;
13719 } else if((p = strstr(opt->name, " -string "))) {
13720 opt->textValue = p+9;
13721 opt->type = TextBox;
13722 } else if((p = strstr(opt->name, " -file "))) {
13723 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13724 opt->textValue = p+7;
13725 opt->type = TextBox; // FileName;
13726 } else if((p = strstr(opt->name, " -path "))) {
13727 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13728 opt->textValue = p+7;
13729 opt->type = TextBox; // PathName;
13730 } else if(p = strstr(opt->name, " -check ")) {
13731 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
13732 opt->value = (def != 0);
13733 opt->type = CheckBox;
13734 } else if(p = strstr(opt->name, " -combo ")) {
13735 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
13736 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
13737 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
13738 opt->value = n = 0;
13739 while(q = StrStr(q, " /// ")) {
13740 n++; *q = 0; // count choices, and null-terminate each of them
13742 if(*q == '*') { // remember default, which is marked with * prefix
13746 cps->comboList[cps->comboCnt++] = q;
13748 cps->comboList[cps->comboCnt++] = NULL;
13750 opt->type = ComboBox;
13751 } else if(p = strstr(opt->name, " -button")) {
13752 opt->type = Button;
13753 } else if(p = strstr(opt->name, " -save")) {
13754 opt->type = SaveButton;
13755 } else return FALSE;
13756 *p = 0; // terminate option name
13757 // now look if the command-line options define a setting for this engine option.
13758 if(cps->optionSettings && cps->optionSettings[0])
13759 p = strstr(cps->optionSettings, opt->name); else p = NULL;
13760 if(p && (p == cps->optionSettings || p[-1] == ',')) {
13761 sprintf(buf, "option %s", p);
13762 if(p = strstr(buf, ",")) *p = 0;
13764 SendToProgram(buf, cps);
13770 FeatureDone(cps, val)
13771 ChessProgramState* cps;
13774 DelayedEventCallback cb = GetDelayedEvent();
13775 if ((cb == InitBackEnd3 && cps == &first) ||
13776 (cb == TwoMachinesEventIfReady && cps == &second)) {
13777 CancelDelayedEvent();
13778 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
13780 cps->initDone = val;
13783 /* Parse feature command from engine */
13785 ParseFeatures(args, cps)
13787 ChessProgramState *cps;
13795 while (*p == ' ') p++;
13796 if (*p == NULLCHAR) return;
13798 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
13799 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
13800 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
13801 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
13802 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
13803 if (BoolFeature(&p, "reuse", &val, cps)) {
13804 /* Engine can disable reuse, but can't enable it if user said no */
13805 if (!val) cps->reuse = FALSE;
13808 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
13809 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
13810 if (gameMode == TwoMachinesPlay) {
13811 DisplayTwoMachinesTitle();
13817 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
13818 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
13819 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
13820 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
13821 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
13822 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
13823 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
13824 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
13825 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
13826 if (IntFeature(&p, "done", &val, cps)) {
13827 FeatureDone(cps, val);
13830 /* Added by Tord: */
13831 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
13832 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
13833 /* End of additions by Tord */
13835 /* [HGM] added features: */
13836 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
13837 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
13838 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
13839 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
13840 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13841 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
13842 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
13843 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
13844 sprintf(buf, "rejected option %s\n", cps->option[--cps->nrOptions].name);
13845 SendToProgram(buf, cps);
13848 if(cps->nrOptions >= MAX_OPTIONS) {
13850 sprintf(buf, "%s engine has too many options\n", cps->which);
13851 DisplayError(buf, 0);
13855 /* End of additions by HGM */
13857 /* unknown feature: complain and skip */
13859 while (*q && *q != '=') q++;
13860 sprintf(buf, "rejected %.*s\n", (int)(q-p), p);
13861 SendToProgram(buf, cps);
13867 while (*p && *p != '\"') p++;
13868 if (*p == '\"') p++;
13870 while (*p && *p != ' ') p++;
13878 PeriodicUpdatesEvent(newState)
13881 if (newState == appData.periodicUpdates)
13884 appData.periodicUpdates=newState;
13886 /* Display type changes, so update it now */
13887 // DisplayAnalysis();
13889 /* Get the ball rolling again... */
13891 AnalysisPeriodicEvent(1);
13892 StartAnalysisClock();
13897 PonderNextMoveEvent(newState)
13900 if (newState == appData.ponderNextMove) return;
13901 if (gameMode == EditPosition) EditPositionDone(TRUE);
13903 SendToProgram("hard\n", &first);
13904 if (gameMode == TwoMachinesPlay) {
13905 SendToProgram("hard\n", &second);
13908 SendToProgram("easy\n", &first);
13909 thinkOutput[0] = NULLCHAR;
13910 if (gameMode == TwoMachinesPlay) {
13911 SendToProgram("easy\n", &second);
13914 appData.ponderNextMove = newState;
13918 NewSettingEvent(option, feature, command, value)
13920 int option, value, *feature;
13924 if (gameMode == EditPosition) EditPositionDone(TRUE);
13925 sprintf(buf, "%s%s %d\n", (option ? "option ": ""), command, value);
13926 if(feature == NULL || *feature) SendToProgram(buf, &first);
13927 if (gameMode == TwoMachinesPlay) {
13928 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
13933 ShowThinkingEvent()
13934 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
13936 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
13937 int newState = appData.showThinking
13938 // [HGM] thinking: other features now need thinking output as well
13939 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
13941 if (oldState == newState) return;
13942 oldState = newState;
13943 if (gameMode == EditPosition) EditPositionDone(TRUE);
13945 SendToProgram("post\n", &first);
13946 if (gameMode == TwoMachinesPlay) {
13947 SendToProgram("post\n", &second);
13950 SendToProgram("nopost\n", &first);
13951 thinkOutput[0] = NULLCHAR;
13952 if (gameMode == TwoMachinesPlay) {
13953 SendToProgram("nopost\n", &second);
13956 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
13960 AskQuestionEvent(title, question, replyPrefix, which)
13961 char *title; char *question; char *replyPrefix; char *which;
13963 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
13964 if (pr == NoProc) return;
13965 AskQuestion(title, question, replyPrefix, pr);
13969 DisplayMove(moveNumber)
13972 char message[MSG_SIZ];
13974 char cpThinkOutput[MSG_SIZ];
13976 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
13978 if (moveNumber == forwardMostMove - 1 ||
13979 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13981 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput));
13983 if (strchr(cpThinkOutput, '\n')) {
13984 *strchr(cpThinkOutput, '\n') = NULLCHAR;
13987 *cpThinkOutput = NULLCHAR;
13990 /* [AS] Hide thinking from human user */
13991 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
13992 *cpThinkOutput = NULLCHAR;
13993 if( thinkOutput[0] != NULLCHAR ) {
13996 for( i=0; i<=hiddenThinkOutputState; i++ ) {
13997 cpThinkOutput[i] = '.';
13999 cpThinkOutput[i] = NULLCHAR;
14000 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
14004 if (moveNumber == forwardMostMove - 1 &&
14005 gameInfo.resultDetails != NULL) {
14006 if (gameInfo.resultDetails[0] == NULLCHAR) {
14007 sprintf(res, " %s", PGNResult(gameInfo.result));
14009 sprintf(res, " {%s} %s",
14010 gameInfo.resultDetails, PGNResult(gameInfo.result));
14016 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14017 DisplayMessage(res, cpThinkOutput);
14019 sprintf(message, "%d.%s%s%s", moveNumber / 2 + 1,
14020 WhiteOnMove(moveNumber) ? " " : ".. ",
14021 parseList[moveNumber], res);
14022 DisplayMessage(message, cpThinkOutput);
14027 DisplayComment(moveNumber, text)
14031 char title[MSG_SIZ];
14032 char buf[8000]; // comment can be long!
14035 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14036 strcpy(title, "Comment");
14038 sprintf(title, "Comment on %d.%s%s", moveNumber / 2 + 1,
14039 WhiteOnMove(moveNumber) ? " " : ".. ",
14040 parseList[moveNumber]);
14042 // [HGM] PV info: display PV info together with (or as) comment
14043 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
14044 if(text == NULL) text = "";
14045 score = pvInfoList[moveNumber].score;
14046 sprintf(buf, "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
14047 depth, (pvInfoList[moveNumber].time+50)/100, text);
14050 if (text != NULL && (appData.autoDisplayComment || commentUp))
14051 CommentPopUp(title, text);
14054 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
14055 * might be busy thinking or pondering. It can be omitted if your
14056 * gnuchess is configured to stop thinking immediately on any user
14057 * input. However, that gnuchess feature depends on the FIONREAD
14058 * ioctl, which does not work properly on some flavors of Unix.
14062 ChessProgramState *cps;
14065 if (!cps->useSigint) return;
14066 if (appData.noChessProgram || (cps->pr == NoProc)) return;
14067 switch (gameMode) {
14068 case MachinePlaysWhite:
14069 case MachinePlaysBlack:
14070 case TwoMachinesPlay:
14071 case IcsPlayingWhite:
14072 case IcsPlayingBlack:
14075 /* Skip if we know it isn't thinking */
14076 if (!cps->maybeThinking) return;
14077 if (appData.debugMode)
14078 fprintf(debugFP, "Interrupting %s\n", cps->which);
14079 InterruptChildProcess(cps->pr);
14080 cps->maybeThinking = FALSE;
14085 #endif /*ATTENTION*/
14091 if (whiteTimeRemaining <= 0) {
14094 if (appData.icsActive) {
14095 if (appData.autoCallFlag &&
14096 gameMode == IcsPlayingBlack && !blackFlag) {
14097 SendToICS(ics_prefix);
14098 SendToICS("flag\n");
14102 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14104 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
14105 if (appData.autoCallFlag) {
14106 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
14113 if (blackTimeRemaining <= 0) {
14116 if (appData.icsActive) {
14117 if (appData.autoCallFlag &&
14118 gameMode == IcsPlayingWhite && !whiteFlag) {
14119 SendToICS(ics_prefix);
14120 SendToICS("flag\n");
14124 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14126 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
14127 if (appData.autoCallFlag) {
14128 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
14141 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
14142 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
14145 * add time to clocks when time control is achieved ([HGM] now also used for increment)
14147 if ( !WhiteOnMove(forwardMostMove) )
14148 /* White made time control */
14149 whiteTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
14150 /* [HGM] time odds: correct new time quota for time odds! */
14151 / WhitePlayer()->timeOdds;
14153 /* Black made time control */
14154 blackTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
14155 / WhitePlayer()->other->timeOdds;
14159 DisplayBothClocks()
14161 int wom = gameMode == EditPosition ?
14162 !blackPlaysFirst : WhiteOnMove(currentMove);
14163 DisplayWhiteClock(whiteTimeRemaining, wom);
14164 DisplayBlackClock(blackTimeRemaining, !wom);
14168 /* Timekeeping seems to be a portability nightmare. I think everyone
14169 has ftime(), but I'm really not sure, so I'm including some ifdefs
14170 to use other calls if you don't. Clocks will be less accurate if
14171 you have neither ftime nor gettimeofday.
14174 /* VS 2008 requires the #include outside of the function */
14175 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
14176 #include <sys/timeb.h>
14179 /* Get the current time as a TimeMark */
14184 #if HAVE_GETTIMEOFDAY
14186 struct timeval timeVal;
14187 struct timezone timeZone;
14189 gettimeofday(&timeVal, &timeZone);
14190 tm->sec = (long) timeVal.tv_sec;
14191 tm->ms = (int) (timeVal.tv_usec / 1000L);
14193 #else /*!HAVE_GETTIMEOFDAY*/
14196 // include <sys/timeb.h> / moved to just above start of function
14197 struct timeb timeB;
14200 tm->sec = (long) timeB.time;
14201 tm->ms = (int) timeB.millitm;
14203 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
14204 tm->sec = (long) time(NULL);
14210 /* Return the difference in milliseconds between two
14211 time marks. We assume the difference will fit in a long!
14214 SubtractTimeMarks(tm2, tm1)
14215 TimeMark *tm2, *tm1;
14217 return 1000L*(tm2->sec - tm1->sec) +
14218 (long) (tm2->ms - tm1->ms);
14223 * Code to manage the game clocks.
14225 * In tournament play, black starts the clock and then white makes a move.
14226 * We give the human user a slight advantage if he is playing white---the
14227 * clocks don't run until he makes his first move, so it takes zero time.
14228 * Also, we don't account for network lag, so we could get out of sync
14229 * with GNU Chess's clock -- but then, referees are always right.
14232 static TimeMark tickStartTM;
14233 static long intendedTickLength;
14236 NextTickLength(timeRemaining)
14237 long timeRemaining;
14239 long nominalTickLength, nextTickLength;
14241 if (timeRemaining > 0L && timeRemaining <= 10000L)
14242 nominalTickLength = 100L;
14244 nominalTickLength = 1000L;
14245 nextTickLength = timeRemaining % nominalTickLength;
14246 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
14248 return nextTickLength;
14251 /* Adjust clock one minute up or down */
14253 AdjustClock(Boolean which, int dir)
14255 if(which) blackTimeRemaining += 60000*dir;
14256 else whiteTimeRemaining += 60000*dir;
14257 DisplayBothClocks();
14260 /* Stop clocks and reset to a fresh time control */
14264 (void) StopClockTimer();
14265 if (appData.icsActive) {
14266 whiteTimeRemaining = blackTimeRemaining = 0;
14267 } else if (searchTime) {
14268 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14269 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14270 } else { /* [HGM] correct new time quote for time odds */
14271 whiteTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->timeOdds;
14272 blackTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->other->timeOdds;
14274 if (whiteFlag || blackFlag) {
14276 whiteFlag = blackFlag = FALSE;
14278 DisplayBothClocks();
14281 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
14283 /* Decrement running clock by amount of time that has passed */
14287 long timeRemaining;
14288 long lastTickLength, fudge;
14291 if (!appData.clockMode) return;
14292 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
14296 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14298 /* Fudge if we woke up a little too soon */
14299 fudge = intendedTickLength - lastTickLength;
14300 if (fudge < 0 || fudge > FUDGE) fudge = 0;
14302 if (WhiteOnMove(forwardMostMove)) {
14303 if(whiteNPS >= 0) lastTickLength = 0;
14304 timeRemaining = whiteTimeRemaining -= lastTickLength;
14305 DisplayWhiteClock(whiteTimeRemaining - fudge,
14306 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14308 if(blackNPS >= 0) lastTickLength = 0;
14309 timeRemaining = blackTimeRemaining -= lastTickLength;
14310 DisplayBlackClock(blackTimeRemaining - fudge,
14311 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14314 if (CheckFlags()) return;
14317 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
14318 StartClockTimer(intendedTickLength);
14320 /* if the time remaining has fallen below the alarm threshold, sound the
14321 * alarm. if the alarm has sounded and (due to a takeback or time control
14322 * with increment) the time remaining has increased to a level above the
14323 * threshold, reset the alarm so it can sound again.
14326 if (appData.icsActive && appData.icsAlarm) {
14328 /* make sure we are dealing with the user's clock */
14329 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
14330 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
14333 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
14334 alarmSounded = FALSE;
14335 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
14337 alarmSounded = TRUE;
14343 /* A player has just moved, so stop the previously running
14344 clock and (if in clock mode) start the other one.
14345 We redisplay both clocks in case we're in ICS mode, because
14346 ICS gives us an update to both clocks after every move.
14347 Note that this routine is called *after* forwardMostMove
14348 is updated, so the last fractional tick must be subtracted
14349 from the color that is *not* on move now.
14352 SwitchClocks(int newMoveNr)
14354 long lastTickLength;
14356 int flagged = FALSE;
14360 if (StopClockTimer() && appData.clockMode) {
14361 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14362 if (!WhiteOnMove(forwardMostMove)) {
14363 if(blackNPS >= 0) lastTickLength = 0;
14364 blackTimeRemaining -= lastTickLength;
14365 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14366 // if(pvInfoList[forwardMostMove-1].time == -1)
14367 pvInfoList[forwardMostMove-1].time = // use GUI time
14368 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
14370 if(whiteNPS >= 0) lastTickLength = 0;
14371 whiteTimeRemaining -= 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 =
14375 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
14377 flagged = CheckFlags();
14379 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
14380 CheckTimeControl();
14382 if (flagged || !appData.clockMode) return;
14384 switch (gameMode) {
14385 case MachinePlaysBlack:
14386 case MachinePlaysWhite:
14387 case BeginningOfGame:
14388 if (pausing) return;
14392 case PlayFromGameFile:
14400 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
14401 if(WhiteOnMove(forwardMostMove))
14402 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14403 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14407 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14408 whiteTimeRemaining : blackTimeRemaining);
14409 StartClockTimer(intendedTickLength);
14413 /* Stop both clocks */
14417 long lastTickLength;
14420 if (!StopClockTimer()) return;
14421 if (!appData.clockMode) return;
14425 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14426 if (WhiteOnMove(forwardMostMove)) {
14427 if(whiteNPS >= 0) lastTickLength = 0;
14428 whiteTimeRemaining -= lastTickLength;
14429 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
14431 if(blackNPS >= 0) lastTickLength = 0;
14432 blackTimeRemaining -= lastTickLength;
14433 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
14438 /* Start clock of player on move. Time may have been reset, so
14439 if clock is already running, stop and restart it. */
14443 (void) StopClockTimer(); /* in case it was running already */
14444 DisplayBothClocks();
14445 if (CheckFlags()) return;
14447 if (!appData.clockMode) return;
14448 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
14450 GetTimeMark(&tickStartTM);
14451 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14452 whiteTimeRemaining : blackTimeRemaining);
14454 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
14455 whiteNPS = blackNPS = -1;
14456 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
14457 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
14458 whiteNPS = first.nps;
14459 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
14460 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
14461 blackNPS = first.nps;
14462 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
14463 whiteNPS = second.nps;
14464 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
14465 blackNPS = second.nps;
14466 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
14468 StartClockTimer(intendedTickLength);
14475 long second, minute, hour, day;
14477 static char buf[32];
14479 if (ms > 0 && ms <= 9900) {
14480 /* convert milliseconds to tenths, rounding up */
14481 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
14483 sprintf(buf, " %03.1f ", tenths/10.0);
14487 /* convert milliseconds to seconds, rounding up */
14488 /* use floating point to avoid strangeness of integer division
14489 with negative dividends on many machines */
14490 second = (long) floor(((double) (ms + 999L)) / 1000.0);
14497 day = second / (60 * 60 * 24);
14498 second = second % (60 * 60 * 24);
14499 hour = second / (60 * 60);
14500 second = second % (60 * 60);
14501 minute = second / 60;
14502 second = second % 60;
14505 sprintf(buf, " %s%ld:%02ld:%02ld:%02ld ",
14506 sign, day, hour, minute, second);
14508 sprintf(buf, " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
14510 sprintf(buf, " %s%2ld:%02ld ", sign, minute, second);
14517 * This is necessary because some C libraries aren't ANSI C compliant yet.
14520 StrStr(string, match)
14521 char *string, *match;
14525 length = strlen(match);
14527 for (i = strlen(string) - length; i >= 0; i--, string++)
14528 if (!strncmp(match, string, length))
14535 StrCaseStr(string, match)
14536 char *string, *match;
14540 length = strlen(match);
14542 for (i = strlen(string) - length; i >= 0; i--, string++) {
14543 for (j = 0; j < length; j++) {
14544 if (ToLower(match[j]) != ToLower(string[j]))
14547 if (j == length) return string;
14561 c1 = ToLower(*s1++);
14562 c2 = ToLower(*s2++);
14563 if (c1 > c2) return 1;
14564 if (c1 < c2) return -1;
14565 if (c1 == NULLCHAR) return 0;
14574 return isupper(c) ? tolower(c) : c;
14582 return islower(c) ? toupper(c) : c;
14584 #endif /* !_amigados */
14592 if ((ret = (char *) malloc(strlen(s) + 1))) {
14599 StrSavePtr(s, savePtr)
14600 char *s, **savePtr;
14605 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
14606 strcpy(*savePtr, s);
14618 clock = time((time_t *)NULL);
14619 tm = localtime(&clock);
14620 sprintf(buf, "%04d.%02d.%02d",
14621 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
14622 return StrSave(buf);
14627 PositionToFEN(move, overrideCastling)
14629 char *overrideCastling;
14631 int i, j, fromX, fromY, toX, toY;
14638 whiteToPlay = (gameMode == EditPosition) ?
14639 !blackPlaysFirst : (move % 2 == 0);
14642 /* Piece placement data */
14643 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14645 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14646 if (boards[move][i][j] == EmptySquare) {
14648 } else { ChessSquare piece = boards[move][i][j];
14649 if (emptycount > 0) {
14650 if(emptycount<10) /* [HGM] can be >= 10 */
14651 *p++ = '0' + emptycount;
14652 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14655 if(PieceToChar(piece) == '+') {
14656 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
14658 piece = (ChessSquare)(DEMOTED piece);
14660 *p++ = PieceToChar(piece);
14662 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
14663 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
14668 if (emptycount > 0) {
14669 if(emptycount<10) /* [HGM] can be >= 10 */
14670 *p++ = '0' + emptycount;
14671 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14678 /* [HGM] print Crazyhouse or Shogi holdings */
14679 if( gameInfo.holdingsWidth ) {
14680 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
14682 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
14683 piece = boards[move][i][BOARD_WIDTH-1];
14684 if( piece != EmptySquare )
14685 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
14686 *p++ = PieceToChar(piece);
14688 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
14689 piece = boards[move][BOARD_HEIGHT-i-1][0];
14690 if( piece != EmptySquare )
14691 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
14692 *p++ = PieceToChar(piece);
14695 if( q == p ) *p++ = '-';
14701 *p++ = whiteToPlay ? 'w' : 'b';
14704 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
14705 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
14707 if(nrCastlingRights) {
14709 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
14710 /* [HGM] write directly from rights */
14711 if(boards[move][CASTLING][2] != NoRights &&
14712 boards[move][CASTLING][0] != NoRights )
14713 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
14714 if(boards[move][CASTLING][2] != NoRights &&
14715 boards[move][CASTLING][1] != NoRights )
14716 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
14717 if(boards[move][CASTLING][5] != NoRights &&
14718 boards[move][CASTLING][3] != NoRights )
14719 *p++ = boards[move][CASTLING][3] + AAA;
14720 if(boards[move][CASTLING][5] != NoRights &&
14721 boards[move][CASTLING][4] != NoRights )
14722 *p++ = boards[move][CASTLING][4] + AAA;
14725 /* [HGM] write true castling rights */
14726 if( nrCastlingRights == 6 ) {
14727 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
14728 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
14729 if(boards[move][CASTLING][1] == BOARD_LEFT &&
14730 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
14731 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
14732 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
14733 if(boards[move][CASTLING][4] == BOARD_LEFT &&
14734 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
14737 if (q == p) *p++ = '-'; /* No castling rights */
14741 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14742 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14743 /* En passant target square */
14744 if (move > backwardMostMove) {
14745 fromX = moveList[move - 1][0] - AAA;
14746 fromY = moveList[move - 1][1] - ONE;
14747 toX = moveList[move - 1][2] - AAA;
14748 toY = moveList[move - 1][3] - ONE;
14749 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
14750 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
14751 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
14753 /* 2-square pawn move just happened */
14755 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14759 } else if(move == backwardMostMove) {
14760 // [HGM] perhaps we should always do it like this, and forget the above?
14761 if((signed char)boards[move][EP_STATUS] >= 0) {
14762 *p++ = boards[move][EP_STATUS] + AAA;
14763 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14774 /* [HGM] find reversible plies */
14775 { int i = 0, j=move;
14777 if (appData.debugMode) { int k;
14778 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
14779 for(k=backwardMostMove; k<=forwardMostMove; k++)
14780 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
14784 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
14785 if( j == backwardMostMove ) i += initialRulePlies;
14786 sprintf(p, "%d ", i);
14787 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
14789 /* Fullmove number */
14790 sprintf(p, "%d", (move / 2) + 1);
14792 return StrSave(buf);
14796 ParseFEN(board, blackPlaysFirst, fen)
14798 int *blackPlaysFirst;
14808 /* [HGM] by default clear Crazyhouse holdings, if present */
14809 if(gameInfo.holdingsWidth) {
14810 for(i=0; i<BOARD_HEIGHT; i++) {
14811 board[i][0] = EmptySquare; /* black holdings */
14812 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
14813 board[i][1] = (ChessSquare) 0; /* black counts */
14814 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
14818 /* Piece placement data */
14819 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14822 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
14823 if (*p == '/') p++;
14824 emptycount = gameInfo.boardWidth - j;
14825 while (emptycount--)
14826 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14828 #if(BOARD_FILES >= 10)
14829 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
14830 p++; emptycount=10;
14831 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14832 while (emptycount--)
14833 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14835 } else if (isdigit(*p)) {
14836 emptycount = *p++ - '0';
14837 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
14838 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14839 while (emptycount--)
14840 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14841 } else if (*p == '+' || isalpha(*p)) {
14842 if (j >= gameInfo.boardWidth) return FALSE;
14844 piece = CharToPiece(*++p);
14845 if(piece == EmptySquare) return FALSE; /* unknown piece */
14846 piece = (ChessSquare) (PROMOTED piece ); p++;
14847 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
14848 } else piece = CharToPiece(*p++);
14850 if(piece==EmptySquare) return FALSE; /* unknown piece */
14851 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
14852 piece = (ChessSquare) (PROMOTED piece);
14853 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
14856 board[i][(j++)+gameInfo.holdingsWidth] = piece;
14862 while (*p == '/' || *p == ' ') p++;
14864 /* [HGM] look for Crazyhouse holdings here */
14865 while(*p==' ') p++;
14866 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
14868 if(*p == '-' ) *p++; /* empty holdings */ else {
14869 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
14870 /* if we would allow FEN reading to set board size, we would */
14871 /* have to add holdings and shift the board read so far here */
14872 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
14874 if((int) piece >= (int) BlackPawn ) {
14875 i = (int)piece - (int)BlackPawn;
14876 i = PieceToNumber((ChessSquare)i);
14877 if( i >= gameInfo.holdingsSize ) return FALSE;
14878 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
14879 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
14881 i = (int)piece - (int)WhitePawn;
14882 i = PieceToNumber((ChessSquare)i);
14883 if( i >= gameInfo.holdingsSize ) return FALSE;
14884 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
14885 board[i][BOARD_WIDTH-2]++; /* black holdings */
14889 if(*p == ']') *p++;
14892 while(*p == ' ') p++;
14896 if(appData.colorNickNames) {
14897 if( c == appData.colorNickNames[0] ) c = 'w'; else
14898 if( c == appData.colorNickNames[1] ) c = 'b';
14902 *blackPlaysFirst = FALSE;
14905 *blackPlaysFirst = TRUE;
14911 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
14912 /* return the extra info in global variiables */
14914 /* set defaults in case FEN is incomplete */
14915 board[EP_STATUS] = EP_UNKNOWN;
14916 for(i=0; i<nrCastlingRights; i++ ) {
14917 board[CASTLING][i] =
14918 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
14919 } /* assume possible unless obviously impossible */
14920 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
14921 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
14922 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
14923 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
14924 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
14925 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
14926 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
14927 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
14930 while(*p==' ') p++;
14931 if(nrCastlingRights) {
14932 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
14933 /* castling indicator present, so default becomes no castlings */
14934 for(i=0; i<nrCastlingRights; i++ ) {
14935 board[CASTLING][i] = NoRights;
14938 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
14939 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
14940 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
14941 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
14942 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
14944 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
14945 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
14946 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
14948 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
14949 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
14950 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
14951 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
14952 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
14953 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
14956 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
14957 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
14958 board[CASTLING][2] = whiteKingFile;
14961 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
14962 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
14963 board[CASTLING][2] = whiteKingFile;
14966 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
14967 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
14968 board[CASTLING][5] = blackKingFile;
14971 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
14972 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
14973 board[CASTLING][5] = blackKingFile;
14976 default: /* FRC castlings */
14977 if(c >= 'a') { /* black rights */
14978 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
14979 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
14980 if(i == BOARD_RGHT) break;
14981 board[CASTLING][5] = i;
14983 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
14984 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
14986 board[CASTLING][3] = c;
14988 board[CASTLING][4] = c;
14989 } else { /* white rights */
14990 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
14991 if(board[0][i] == WhiteKing) break;
14992 if(i == BOARD_RGHT) break;
14993 board[CASTLING][2] = i;
14994 c -= AAA - 'a' + 'A';
14995 if(board[0][c] >= WhiteKing) break;
14997 board[CASTLING][0] = c;
14999 board[CASTLING][1] = c;
15003 for(i=0; i<nrCastlingRights; i++)
15004 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
15005 if (appData.debugMode) {
15006 fprintf(debugFP, "FEN castling rights:");
15007 for(i=0; i<nrCastlingRights; i++)
15008 fprintf(debugFP, " %d", board[CASTLING][i]);
15009 fprintf(debugFP, "\n");
15012 while(*p==' ') p++;
15015 /* read e.p. field in games that know e.p. capture */
15016 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
15017 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
15019 p++; board[EP_STATUS] = EP_NONE;
15021 char c = *p++ - AAA;
15023 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
15024 if(*p >= '0' && *p <='9') *p++;
15025 board[EP_STATUS] = c;
15030 if(sscanf(p, "%d", &i) == 1) {
15031 FENrulePlies = i; /* 50-move ply counter */
15032 /* (The move number is still ignored) */
15039 EditPositionPasteFEN(char *fen)
15042 Board initial_position;
15044 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
15045 DisplayError(_("Bad FEN position in clipboard"), 0);
15048 int savedBlackPlaysFirst = blackPlaysFirst;
15049 EditPositionEvent();
15050 blackPlaysFirst = savedBlackPlaysFirst;
15051 CopyBoard(boards[0], initial_position);
15052 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
15053 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
15054 DisplayBothClocks();
15055 DrawPosition(FALSE, boards[currentMove]);
15060 static char cseq[12] = "\\ ";
15062 Boolean set_cont_sequence(char *new_seq)
15067 // handle bad attempts to set the sequence
15069 return 0; // acceptable error - no debug
15071 len = strlen(new_seq);
15072 ret = (len > 0) && (len < sizeof(cseq));
15074 strcpy(cseq, new_seq);
15075 else if (appData.debugMode)
15076 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
15081 reformat a source message so words don't cross the width boundary. internal
15082 newlines are not removed. returns the wrapped size (no null character unless
15083 included in source message). If dest is NULL, only calculate the size required
15084 for the dest buffer. lp argument indicats line position upon entry, and it's
15085 passed back upon exit.
15087 int wrap(char *dest, char *src, int count, int width, int *lp)
15089 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
15091 cseq_len = strlen(cseq);
15092 old_line = line = *lp;
15093 ansi = len = clen = 0;
15095 for (i=0; i < count; i++)
15097 if (src[i] == '\033')
15100 // if we hit the width, back up
15101 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
15103 // store i & len in case the word is too long
15104 old_i = i, old_len = len;
15106 // find the end of the last word
15107 while (i && src[i] != ' ' && src[i] != '\n')
15113 // word too long? restore i & len before splitting it
15114 if ((old_i-i+clen) >= width)
15121 if (i && src[i-1] == ' ')
15124 if (src[i] != ' ' && src[i] != '\n')
15131 // now append the newline and continuation sequence
15136 strncpy(dest+len, cseq, cseq_len);
15144 dest[len] = src[i];
15148 if (src[i] == '\n')
15153 if (dest && appData.debugMode)
15155 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
15156 count, width, line, len, *lp);
15157 show_bytes(debugFP, src, count);
15158 fprintf(debugFP, "\ndest: ");
15159 show_bytes(debugFP, dest, len);
15160 fprintf(debugFP, "\n");
15162 *lp = dest ? line : old_line;
15167 // [HGM] vari: routines for shelving variations
15170 PushTail(int firstMove, int lastMove)
15172 int i, j, nrMoves = lastMove - firstMove;
15174 if(appData.icsActive) { // only in local mode
15175 forwardMostMove = currentMove; // mimic old ICS behavior
15178 if(storedGames >= MAX_VARIATIONS-1) return;
15180 // push current tail of game on stack
15181 savedResult[storedGames] = gameInfo.result;
15182 savedDetails[storedGames] = gameInfo.resultDetails;
15183 gameInfo.resultDetails = NULL;
15184 savedFirst[storedGames] = firstMove;
15185 savedLast [storedGames] = lastMove;
15186 savedFramePtr[storedGames] = framePtr;
15187 framePtr -= nrMoves; // reserve space for the boards
15188 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
15189 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
15190 for(j=0; j<MOVE_LEN; j++)
15191 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
15192 for(j=0; j<2*MOVE_LEN; j++)
15193 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
15194 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
15195 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
15196 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
15197 pvInfoList[firstMove+i-1].depth = 0;
15198 commentList[framePtr+i] = commentList[firstMove+i];
15199 commentList[firstMove+i] = NULL;
15203 forwardMostMove = firstMove; // truncate game so we can start variation
15204 if(storedGames == 1) GreyRevert(FALSE);
15208 PopTail(Boolean annotate)
15211 char buf[8000], moveBuf[20];
15213 if(appData.icsActive) return FALSE; // only in local mode
15214 if(!storedGames) return FALSE; // sanity
15215 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
15218 ToNrEvent(savedFirst[storedGames]); // sets currentMove
15219 nrMoves = savedLast[storedGames] - currentMove;
15222 if(!WhiteOnMove(currentMove)) sprintf(buf, "(%d...", currentMove+2>>1);
15223 else strcpy(buf, "(");
15224 for(i=currentMove; i<forwardMostMove; i++) {
15226 sprintf(moveBuf, " %d. %s", i+2>>1, SavePart(parseList[i]));
15227 else sprintf(moveBuf, " %s", SavePart(parseList[i]));
15228 strcat(buf, moveBuf);
15229 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
15230 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
15234 for(i=1; i<=nrMoves; i++) { // copy last variation back
15235 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
15236 for(j=0; j<MOVE_LEN; j++)
15237 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
15238 for(j=0; j<2*MOVE_LEN; j++)
15239 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
15240 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
15241 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
15242 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
15243 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
15244 commentList[currentMove+i] = commentList[framePtr+i];
15245 commentList[framePtr+i] = NULL;
15247 if(annotate) AppendComment(currentMove+1, buf, FALSE);
15248 framePtr = savedFramePtr[storedGames];
15249 gameInfo.result = savedResult[storedGames];
15250 if(gameInfo.resultDetails != NULL) {
15251 free(gameInfo.resultDetails);
15253 gameInfo.resultDetails = savedDetails[storedGames];
15254 forwardMostMove = currentMove + nrMoves;
15255 if(storedGames == 0) GreyRevert(TRUE);
15261 { // remove all shelved variations
15263 for(i=0; i<storedGames; i++) {
15264 if(savedDetails[i])
15265 free(savedDetails[i]);
15266 savedDetails[i] = NULL;
15268 for(i=framePtr; i<MAX_MOVES; i++) {
15269 if(commentList[i]) free(commentList[i]);
15270 commentList[i] = NULL;
15272 framePtr = MAX_MOVES-1;
15277 LoadVariation(int index, char *text)
15278 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
15279 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
15280 int level = 0, move;
15282 if(gameMode != EditGame && gameMode != AnalyzeMode) return;
15283 // first find outermost bracketing variation
15284 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
15285 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
15286 if(*p == '{') wait = '}'; else
15287 if(*p == '[') wait = ']'; else
15288 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
15289 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
15291 if(*p == wait) wait = NULLCHAR; // closing ]} found
15294 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
15295 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
15296 end[1] = NULLCHAR; // clip off comment beyond variation
15297 ToNrEvent(currentMove-1);
15298 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
15299 // kludge: use ParsePV() to append variation to game
15300 move = currentMove;
15301 ParsePV(start, TRUE);
15302 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
15303 ClearPremoveHighlights();
15305 ToNrEvent(currentMove+1);