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((void));
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];
238 extern int tinyLayout, smallLayout;
239 ChessProgramStats programStats;
240 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
242 static int exiting = 0; /* [HGM] moved to top */
243 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
244 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
245 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
246 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
247 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
248 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
249 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
250 int opponentKibitzes;
251 int lastSavedGame; /* [HGM] save: ID of game */
252 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
253 extern int chatCount;
255 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
257 /* States for ics_getting_history */
259 #define H_REQUESTED 1
260 #define H_GOT_REQ_HEADER 2
261 #define H_GOT_UNREQ_HEADER 3
262 #define H_GETTING_MOVES 4
263 #define H_GOT_UNWANTED_HEADER 5
265 /* whosays values for GameEnds */
274 /* Maximum number of games in a cmail message */
275 #define CMAIL_MAX_GAMES 20
277 /* Different types of move when calling RegisterMove */
279 #define CMAIL_RESIGN 1
281 #define CMAIL_ACCEPT 3
283 /* Different types of result to remember for each game */
284 #define CMAIL_NOT_RESULT 0
285 #define CMAIL_OLD_RESULT 1
286 #define CMAIL_NEW_RESULT 2
288 /* Telnet protocol constants */
299 static char * safeStrCpy( char * dst, const char * src, size_t count )
301 assert( dst != NULL );
302 assert( src != NULL );
305 strncpy( dst, src, count );
306 dst[ count-1 ] = '\0';
310 /* Some compiler can't cast u64 to double
311 * This function do the job for us:
313 * We use the highest bit for cast, this only
314 * works if the highest bit is not
315 * in use (This should not happen)
317 * We used this for all compiler
320 u64ToDouble(u64 value)
323 u64 tmp = value & u64Const(0x7fffffffffffffff);
324 r = (double)(s64)tmp;
325 if (value & u64Const(0x8000000000000000))
326 r += 9.2233720368547758080e18; /* 2^63 */
330 /* Fake up flags for now, as we aren't keeping track of castling
331 availability yet. [HGM] Change of logic: the flag now only
332 indicates the type of castlings allowed by the rule of the game.
333 The actual rights themselves are maintained in the array
334 castlingRights, as part of the game history, and are not probed
340 int flags = F_ALL_CASTLE_OK;
341 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
342 switch (gameInfo.variant) {
344 flags &= ~F_ALL_CASTLE_OK;
345 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
346 flags |= F_IGNORE_CHECK;
348 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
351 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
353 case VariantKriegspiel:
354 flags |= F_KRIEGSPIEL_CAPTURE;
356 case VariantCapaRandom:
357 case VariantFischeRandom:
358 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
359 case VariantNoCastle:
360 case VariantShatranj:
363 flags &= ~F_ALL_CASTLE_OK;
371 FILE *gameFileFP, *debugFP;
374 [AS] Note: sometimes, the sscanf() function is used to parse the input
375 into a fixed-size buffer. Because of this, we must be prepared to
376 receive strings as long as the size of the input buffer, which is currently
377 set to 4K for Windows and 8K for the rest.
378 So, we must either allocate sufficiently large buffers here, or
379 reduce the size of the input buffer in the input reading part.
382 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
383 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
384 char thinkOutput1[MSG_SIZ*10];
386 ChessProgramState first, second;
388 /* premove variables */
391 int premoveFromX = 0;
392 int premoveFromY = 0;
393 int premovePromoChar = 0;
395 Boolean alarmSounded;
396 /* end premove variables */
398 char *ics_prefix = "$";
399 int ics_type = ICS_GENERIC;
401 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
402 int pauseExamForwardMostMove = 0;
403 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
404 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
405 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
406 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
407 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
408 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
409 int whiteFlag = FALSE, blackFlag = FALSE;
410 int userOfferedDraw = FALSE;
411 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
412 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
413 int cmailMoveType[CMAIL_MAX_GAMES];
414 long ics_clock_paused = 0;
415 ProcRef icsPR = NoProc, cmailPR = NoProc;
416 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
417 GameMode gameMode = BeginningOfGame;
418 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
419 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
420 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
421 int hiddenThinkOutputState = 0; /* [AS] */
422 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
423 int adjudicateLossPlies = 6;
424 char white_holding[64], black_holding[64];
425 TimeMark lastNodeCountTime;
426 long lastNodeCount=0;
427 int have_sent_ICS_logon = 0;
429 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement;
430 long timeControl_2; /* [AS] Allow separate time controls */
431 char *fullTimeControlString = NULL; /* [HGM] secondary TC: merge of MPS, TC and inc */
432 long timeRemaining[2][MAX_MOVES];
434 TimeMark programStartTime;
435 char ics_handle[MSG_SIZ];
436 int have_set_title = 0;
438 /* animateTraining preserves the state of appData.animate
439 * when Training mode is activated. This allows the
440 * response to be animated when appData.animate == TRUE and
441 * appData.animateDragging == TRUE.
443 Boolean animateTraining;
449 Board boards[MAX_MOVES];
450 /* [HGM] Following 7 needed for accurate legality tests: */
451 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
452 signed char initialRights[BOARD_FILES];
453 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
454 int initialRulePlies, FENrulePlies;
455 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
458 int mute; // mute all sounds
460 // [HGM] vari: next 12 to save and restore variations
461 #define MAX_VARIATIONS 10
462 int framePtr = MAX_MOVES-1; // points to free stack entry
464 int savedFirst[MAX_VARIATIONS];
465 int savedLast[MAX_VARIATIONS];
466 int savedFramePtr[MAX_VARIATIONS];
467 char *savedDetails[MAX_VARIATIONS];
468 ChessMove savedResult[MAX_VARIATIONS];
470 void PushTail P((int firstMove, int lastMove));
471 Boolean PopTail P((Boolean annotate));
472 void CleanupTail P((void));
474 ChessSquare FIDEArray[2][BOARD_FILES] = {
475 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
476 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
477 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
478 BlackKing, BlackBishop, BlackKnight, BlackRook }
481 ChessSquare twoKingsArray[2][BOARD_FILES] = {
482 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
483 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
484 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
485 BlackKing, BlackKing, BlackKnight, BlackRook }
488 ChessSquare KnightmateArray[2][BOARD_FILES] = {
489 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
490 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
491 { BlackRook, BlackMan, BlackBishop, BlackQueen,
492 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
495 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
496 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
497 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
498 { BlackLance, BlackAlfil, BlackMarshall, BlackAngel,
499 BlackKing, BlackMarshall, BlackAlfil, BlackLance }
502 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
503 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
504 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
505 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
506 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
509 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
510 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
511 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
512 { BlackRook, BlackKnight, BlackMan, BlackFerz,
513 BlackKing, BlackMan, BlackKnight, BlackRook }
517 #if (BOARD_FILES>=10)
518 ChessSquare ShogiArray[2][BOARD_FILES] = {
519 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
520 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
521 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
522 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
525 ChessSquare XiangqiArray[2][BOARD_FILES] = {
526 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
527 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
528 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
529 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
532 ChessSquare CapablancaArray[2][BOARD_FILES] = {
533 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
534 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
535 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
536 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
539 ChessSquare GreatArray[2][BOARD_FILES] = {
540 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
541 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
542 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
543 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
546 ChessSquare JanusArray[2][BOARD_FILES] = {
547 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
548 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
549 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
550 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
554 ChessSquare GothicArray[2][BOARD_FILES] = {
555 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
556 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
557 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
558 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
561 #define GothicArray CapablancaArray
565 ChessSquare FalconArray[2][BOARD_FILES] = {
566 { WhiteRook, WhiteKnight, WhiteBishop, WhiteLance, WhiteQueen,
567 WhiteKing, WhiteLance, WhiteBishop, WhiteKnight, WhiteRook },
568 { BlackRook, BlackKnight, BlackBishop, BlackLance, BlackQueen,
569 BlackKing, BlackLance, BlackBishop, BlackKnight, BlackRook }
572 #define FalconArray CapablancaArray
575 #else // !(BOARD_FILES>=10)
576 #define XiangqiPosition FIDEArray
577 #define CapablancaArray FIDEArray
578 #define GothicArray FIDEArray
579 #define GreatArray FIDEArray
580 #endif // !(BOARD_FILES>=10)
582 #if (BOARD_FILES>=12)
583 ChessSquare CourierArray[2][BOARD_FILES] = {
584 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
585 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
586 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
587 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
589 #else // !(BOARD_FILES>=12)
590 #define CourierArray CapablancaArray
591 #endif // !(BOARD_FILES>=12)
594 Board initialPosition;
597 /* Convert str to a rating. Checks for special cases of "----",
599 "++++", etc. Also strips ()'s */
601 string_to_rating(str)
604 while(*str && !isdigit(*str)) ++str;
606 return 0; /* One of the special "no rating" cases */
614 /* Init programStats */
615 programStats.movelist[0] = 0;
616 programStats.depth = 0;
617 programStats.nr_moves = 0;
618 programStats.moves_left = 0;
619 programStats.nodes = 0;
620 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
621 programStats.score = 0;
622 programStats.got_only_move = 0;
623 programStats.got_fail = 0;
624 programStats.line_is_book = 0;
630 int matched, min, sec;
632 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
634 GetTimeMark(&programStartTime);
635 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
638 programStats.ok_to_send = 1;
639 programStats.seen_stat = 0;
642 * Initialize game list
648 * Internet chess server status
650 if (appData.icsActive) {
651 appData.matchMode = FALSE;
652 appData.matchGames = 0;
654 appData.noChessProgram = !appData.zippyPlay;
656 appData.zippyPlay = FALSE;
657 appData.zippyTalk = FALSE;
658 appData.noChessProgram = TRUE;
660 if (*appData.icsHelper != NULLCHAR) {
661 appData.useTelnet = TRUE;
662 appData.telnetProgram = appData.icsHelper;
665 appData.zippyTalk = appData.zippyPlay = FALSE;
668 /* [AS] Initialize pv info list [HGM] and game state */
672 for( i=0; i<=framePtr; i++ ) {
673 pvInfoList[i].depth = -1;
674 boards[i][EP_STATUS] = EP_NONE;
675 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
680 * Parse timeControl resource
682 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
683 appData.movesPerSession)) {
685 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
686 DisplayFatalError(buf, 0, 2);
690 * Parse searchTime resource
692 if (*appData.searchTime != NULLCHAR) {
693 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
695 searchTime = min * 60;
696 } else if (matched == 2) {
697 searchTime = min * 60 + sec;
700 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
701 DisplayFatalError(buf, 0, 2);
705 /* [AS] Adjudication threshold */
706 adjudicateLossThreshold = appData.adjudicateLossThreshold;
708 first.which = "first";
709 second.which = "second";
710 first.maybeThinking = second.maybeThinking = FALSE;
711 first.pr = second.pr = NoProc;
712 first.isr = second.isr = NULL;
713 first.sendTime = second.sendTime = 2;
714 first.sendDrawOffers = 1;
715 if (appData.firstPlaysBlack) {
716 first.twoMachinesColor = "black\n";
717 second.twoMachinesColor = "white\n";
719 first.twoMachinesColor = "white\n";
720 second.twoMachinesColor = "black\n";
722 first.program = appData.firstChessProgram;
723 second.program = appData.secondChessProgram;
724 first.host = appData.firstHost;
725 second.host = appData.secondHost;
726 first.dir = appData.firstDirectory;
727 second.dir = appData.secondDirectory;
728 first.other = &second;
729 second.other = &first;
730 first.initString = appData.initString;
731 second.initString = appData.secondInitString;
732 first.computerString = appData.firstComputerString;
733 second.computerString = appData.secondComputerString;
734 first.useSigint = second.useSigint = TRUE;
735 first.useSigterm = second.useSigterm = TRUE;
736 first.reuse = appData.reuseFirst;
737 second.reuse = appData.reuseSecond;
738 first.nps = appData.firstNPS; // [HGM] nps: copy nodes per second
739 second.nps = appData.secondNPS;
740 first.useSetboard = second.useSetboard = FALSE;
741 first.useSAN = second.useSAN = FALSE;
742 first.usePing = second.usePing = FALSE;
743 first.lastPing = second.lastPing = 0;
744 first.lastPong = second.lastPong = 0;
745 first.usePlayother = second.usePlayother = FALSE;
746 first.useColors = second.useColors = TRUE;
747 first.useUsermove = second.useUsermove = FALSE;
748 first.sendICS = second.sendICS = FALSE;
749 first.sendName = second.sendName = appData.icsActive;
750 first.sdKludge = second.sdKludge = FALSE;
751 first.stKludge = second.stKludge = FALSE;
752 TidyProgramName(first.program, first.host, first.tidy);
753 TidyProgramName(second.program, second.host, second.tidy);
754 first.matchWins = second.matchWins = 0;
755 strcpy(first.variants, appData.variant);
756 strcpy(second.variants, appData.variant);
757 first.analysisSupport = second.analysisSupport = 2; /* detect */
758 first.analyzing = second.analyzing = FALSE;
759 first.initDone = second.initDone = FALSE;
761 /* New features added by Tord: */
762 first.useFEN960 = FALSE; second.useFEN960 = FALSE;
763 first.useOOCastle = TRUE; second.useOOCastle = TRUE;
764 /* End of new features added by Tord. */
765 first.fenOverride = appData.fenOverride1;
766 second.fenOverride = appData.fenOverride2;
768 /* [HGM] time odds: set factor for each machine */
769 first.timeOdds = appData.firstTimeOdds;
770 second.timeOdds = appData.secondTimeOdds;
772 if(appData.timeOddsMode) {
773 norm = first.timeOdds;
774 if(norm > second.timeOdds) norm = second.timeOdds;
776 first.timeOdds /= norm;
777 second.timeOdds /= norm;
780 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
781 first.accumulateTC = appData.firstAccumulateTC;
782 second.accumulateTC = appData.secondAccumulateTC;
783 first.maxNrOfSessions = second.maxNrOfSessions = 1;
786 first.debug = second.debug = FALSE;
787 first.supportsNPS = second.supportsNPS = UNKNOWN;
790 first.optionSettings = appData.firstOptions;
791 second.optionSettings = appData.secondOptions;
793 first.scoreIsAbsolute = appData.firstScoreIsAbsolute; /* [AS] */
794 second.scoreIsAbsolute = appData.secondScoreIsAbsolute; /* [AS] */
795 first.isUCI = appData.firstIsUCI; /* [AS] */
796 second.isUCI = appData.secondIsUCI; /* [AS] */
797 first.hasOwnBookUCI = appData.firstHasOwnBookUCI; /* [AS] */
798 second.hasOwnBookUCI = appData.secondHasOwnBookUCI; /* [AS] */
800 if (appData.firstProtocolVersion > PROTOVER ||
801 appData.firstProtocolVersion < 1) {
803 sprintf(buf, _("protocol version %d not supported"),
804 appData.firstProtocolVersion);
805 DisplayFatalError(buf, 0, 2);
807 first.protocolVersion = appData.firstProtocolVersion;
810 if (appData.secondProtocolVersion > PROTOVER ||
811 appData.secondProtocolVersion < 1) {
813 sprintf(buf, _("protocol version %d not supported"),
814 appData.secondProtocolVersion);
815 DisplayFatalError(buf, 0, 2);
817 second.protocolVersion = appData.secondProtocolVersion;
820 if (appData.icsActive) {
821 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
822 // } else if (*appData.searchTime != NULLCHAR || appData.noChessProgram) {
823 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
824 appData.clockMode = FALSE;
825 first.sendTime = second.sendTime = 0;
829 /* Override some settings from environment variables, for backward
830 compatibility. Unfortunately it's not feasible to have the env
831 vars just set defaults, at least in xboard. Ugh.
833 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
838 if (appData.noChessProgram) {
839 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
840 sprintf(programVersion, "%s", PACKAGE_STRING);
842 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
843 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
844 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
847 if (!appData.icsActive) {
849 /* Check for variants that are supported only in ICS mode,
850 or not at all. Some that are accepted here nevertheless
851 have bugs; see comments below.
853 VariantClass variant = StringToVariant(appData.variant);
855 case VariantBughouse: /* need four players and two boards */
856 case VariantKriegspiel: /* need to hide pieces and move details */
857 /* case VariantFischeRandom: (Fabien: moved below) */
858 sprintf(buf, _("Variant %s supported only in ICS mode"), appData.variant);
859 DisplayFatalError(buf, 0, 2);
863 case VariantLoadable:
873 sprintf(buf, _("Unknown variant name %s"), appData.variant);
874 DisplayFatalError(buf, 0, 2);
877 case VariantXiangqi: /* [HGM] repetition rules not implemented */
878 case VariantFairy: /* [HGM] TestLegality definitely off! */
879 case VariantGothic: /* [HGM] should work */
880 case VariantCapablanca: /* [HGM] should work */
881 case VariantCourier: /* [HGM] initial forced moves not implemented */
882 case VariantShogi: /* [HGM] drops not tested for legality */
883 case VariantKnightmate: /* [HGM] should work */
884 case VariantCylinder: /* [HGM] untested */
885 case VariantFalcon: /* [HGM] untested */
886 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
887 offboard interposition not understood */
888 case VariantNormal: /* definitely works! */
889 case VariantWildCastle: /* pieces not automatically shuffled */
890 case VariantNoCastle: /* pieces not automatically shuffled */
891 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
892 case VariantLosers: /* should work except for win condition,
893 and doesn't know captures are mandatory */
894 case VariantSuicide: /* should work except for win condition,
895 and doesn't know captures are mandatory */
896 case VariantGiveaway: /* should work except for win condition,
897 and doesn't know captures are mandatory */
898 case VariantTwoKings: /* should work */
899 case VariantAtomic: /* should work except for win condition */
900 case Variant3Check: /* should work except for win condition */
901 case VariantShatranj: /* should work except for all win conditions */
902 case VariantMakruk: /* should work except for daw countdown */
903 case VariantBerolina: /* might work if TestLegality is off */
904 case VariantCapaRandom: /* should work */
905 case VariantJanus: /* should work */
906 case VariantSuper: /* experimental */
907 case VariantGreat: /* experimental, requires legality testing to be off */
912 InitEngineUCI( installDir, &first ); // [HGM] moved here from winboard.c, to make available in xboard
913 InitEngineUCI( installDir, &second );
916 int NextIntegerFromString( char ** str, long * value )
921 while( *s == ' ' || *s == '\t' ) {
927 if( *s >= '0' && *s <= '9' ) {
928 while( *s >= '0' && *s <= '9' ) {
929 *value = *value * 10 + (*s - '0');
941 int NextTimeControlFromString( char ** str, long * value )
944 int result = NextIntegerFromString( str, &temp );
947 *value = temp * 60; /* Minutes */
950 result = NextIntegerFromString( str, &temp );
951 *value += temp; /* Seconds */
958 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc)
959 { /* [HGM] routine added to read '+moves/time' for secondary time control */
960 int result = -1; long temp, temp2;
962 if(**str != '+') return -1; // old params remain in force!
964 if( NextTimeControlFromString( str, &temp ) ) return -1;
967 /* time only: incremental or sudden-death time control */
968 if(**str == '+') { /* increment follows; read it */
970 if(result = NextIntegerFromString( str, &temp2)) return -1;
973 *moves = 0; *tc = temp * 1000;
975 } else if(temp % 60 != 0) return -1; /* moves was given as min:sec */
977 (*str)++; /* classical time control */
978 result = NextTimeControlFromString( str, &temp2);
987 int GetTimeQuota(int movenr)
988 { /* [HGM] get time to add from the multi-session time-control string */
989 int moves=1; /* kludge to force reading of first session */
990 long time, increment;
991 char *s = fullTimeControlString;
993 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", fullTimeControlString);
995 if(moves) NextSessionFromString(&s, &moves, &time, &increment);
996 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
997 if(movenr == -1) return time; /* last move before new session */
998 if(!moves) return increment; /* current session is incremental */
999 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1000 } while(movenr >= -1); /* try again for next session */
1002 return 0; // no new time quota on this move
1006 ParseTimeControl(tc, ti, mps)
1015 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1018 sprintf(buf, "+%d/%s+%d", mps, tc, ti);
1019 else sprintf(buf, "+%s+%d", tc, ti);
1022 sprintf(buf, "+%d/%s", mps, tc);
1023 else sprintf(buf, "+%s", tc);
1025 fullTimeControlString = StrSave(buf);
1027 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1032 /* Parse second time control */
1035 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1043 timeControl_2 = tc2 * 1000;
1053 timeControl = tc1 * 1000;
1056 timeIncrement = ti * 1000; /* convert to ms */
1057 movesPerSession = 0;
1060 movesPerSession = mps;
1068 if (appData.debugMode) {
1069 fprintf(debugFP, "%s\n", programVersion);
1072 set_cont_sequence(appData.wrapContSeq);
1073 if (appData.matchGames > 0) {
1074 appData.matchMode = TRUE;
1075 } else if (appData.matchMode) {
1076 appData.matchGames = 1;
1078 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1079 appData.matchGames = appData.sameColorGames;
1080 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1081 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1082 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1085 if (appData.noChessProgram || first.protocolVersion == 1) {
1088 /* kludge: allow timeout for initial "feature" commands */
1090 DisplayMessage("", _("Starting chess program"));
1091 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1096 InitBackEnd3 P((void))
1098 GameMode initialMode;
1102 InitChessProgram(&first, startedFromSetupPosition);
1105 if (appData.icsActive) {
1107 /* [DM] Make a console window if needed [HGM] merged ifs */
1112 if (*appData.icsCommPort != NULLCHAR) {
1113 sprintf(buf, _("Could not open comm port %s"),
1114 appData.icsCommPort);
1116 snprintf(buf, sizeof(buf), _("Could not connect to host %s, port %s"),
1117 appData.icsHost, appData.icsPort);
1119 DisplayFatalError(buf, err, 1);
1124 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1126 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1127 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1128 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1129 } else if (appData.noChessProgram) {
1135 if (*appData.cmailGameName != NULLCHAR) {
1137 OpenLoopback(&cmailPR);
1139 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1143 DisplayMessage("", "");
1144 if (StrCaseCmp(appData.initialMode, "") == 0) {
1145 initialMode = BeginningOfGame;
1146 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1147 initialMode = TwoMachinesPlay;
1148 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1149 initialMode = AnalyzeFile;
1150 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1151 initialMode = AnalyzeMode;
1152 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1153 initialMode = MachinePlaysWhite;
1154 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1155 initialMode = MachinePlaysBlack;
1156 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1157 initialMode = EditGame;
1158 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1159 initialMode = EditPosition;
1160 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1161 initialMode = Training;
1163 sprintf(buf, _("Unknown initialMode %s"), appData.initialMode);
1164 DisplayFatalError(buf, 0, 2);
1168 if (appData.matchMode) {
1169 /* Set up machine vs. machine match */
1170 if (appData.noChessProgram) {
1171 DisplayFatalError(_("Can't have a match with no chess programs"),
1177 if (*appData.loadGameFile != NULLCHAR) {
1178 int index = appData.loadGameIndex; // [HGM] autoinc
1179 if(index<0) lastIndex = index = 1;
1180 if (!LoadGameFromFile(appData.loadGameFile,
1182 appData.loadGameFile, FALSE)) {
1183 DisplayFatalError(_("Bad game file"), 0, 1);
1186 } else if (*appData.loadPositionFile != NULLCHAR) {
1187 int index = appData.loadPositionIndex; // [HGM] autoinc
1188 if(index<0) lastIndex = index = 1;
1189 if (!LoadPositionFromFile(appData.loadPositionFile,
1191 appData.loadPositionFile)) {
1192 DisplayFatalError(_("Bad position file"), 0, 1);
1197 } else if (*appData.cmailGameName != NULLCHAR) {
1198 /* Set up cmail mode */
1199 ReloadCmailMsgEvent(TRUE);
1201 /* Set up other modes */
1202 if (initialMode == AnalyzeFile) {
1203 if (*appData.loadGameFile == NULLCHAR) {
1204 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1208 if (*appData.loadGameFile != NULLCHAR) {
1209 (void) LoadGameFromFile(appData.loadGameFile,
1210 appData.loadGameIndex,
1211 appData.loadGameFile, TRUE);
1212 } else if (*appData.loadPositionFile != NULLCHAR) {
1213 (void) LoadPositionFromFile(appData.loadPositionFile,
1214 appData.loadPositionIndex,
1215 appData.loadPositionFile);
1216 /* [HGM] try to make self-starting even after FEN load */
1217 /* to allow automatic setup of fairy variants with wtm */
1218 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1219 gameMode = BeginningOfGame;
1220 setboardSpoiledMachineBlack = 1;
1222 /* [HGM] loadPos: make that every new game uses the setup */
1223 /* from file as long as we do not switch variant */
1224 if(!blackPlaysFirst) {
1225 startedFromPositionFile = TRUE;
1226 CopyBoard(filePosition, boards[0]);
1229 if (initialMode == AnalyzeMode) {
1230 if (appData.noChessProgram) {
1231 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1234 if (appData.icsActive) {
1235 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1239 } else if (initialMode == AnalyzeFile) {
1240 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1241 ShowThinkingEvent();
1243 AnalysisPeriodicEvent(1);
1244 } else if (initialMode == MachinePlaysWhite) {
1245 if (appData.noChessProgram) {
1246 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1250 if (appData.icsActive) {
1251 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1255 MachineWhiteEvent();
1256 } else if (initialMode == MachinePlaysBlack) {
1257 if (appData.noChessProgram) {
1258 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1262 if (appData.icsActive) {
1263 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1267 MachineBlackEvent();
1268 } else if (initialMode == TwoMachinesPlay) {
1269 if (appData.noChessProgram) {
1270 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1274 if (appData.icsActive) {
1275 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1280 } else if (initialMode == EditGame) {
1282 } else if (initialMode == EditPosition) {
1283 EditPositionEvent();
1284 } else if (initialMode == Training) {
1285 if (*appData.loadGameFile == NULLCHAR) {
1286 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1295 * Establish will establish a contact to a remote host.port.
1296 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1297 * used to talk to the host.
1298 * Returns 0 if okay, error code if not.
1305 if (*appData.icsCommPort != NULLCHAR) {
1306 /* Talk to the host through a serial comm port */
1307 return OpenCommPort(appData.icsCommPort, &icsPR);
1309 } else if (*appData.gateway != NULLCHAR) {
1310 if (*appData.remoteShell == NULLCHAR) {
1311 /* Use the rcmd protocol to run telnet program on a gateway host */
1312 snprintf(buf, sizeof(buf), "%s %s %s",
1313 appData.telnetProgram, appData.icsHost, appData.icsPort);
1314 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1317 /* Use the rsh program to run telnet program on a gateway host */
1318 if (*appData.remoteUser == NULLCHAR) {
1319 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1320 appData.gateway, appData.telnetProgram,
1321 appData.icsHost, appData.icsPort);
1323 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1324 appData.remoteShell, appData.gateway,
1325 appData.remoteUser, appData.telnetProgram,
1326 appData.icsHost, appData.icsPort);
1328 return StartChildProcess(buf, "", &icsPR);
1331 } else if (appData.useTelnet) {
1332 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1335 /* TCP socket interface differs somewhat between
1336 Unix and NT; handle details in the front end.
1338 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1343 show_bytes(fp, buf, count)
1349 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1350 fprintf(fp, "\\%03o", *buf & 0xff);
1359 /* Returns an errno value */
1361 OutputMaybeTelnet(pr, message, count, outError)
1367 char buf[8192], *p, *q, *buflim;
1368 int left, newcount, outcount;
1370 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1371 *appData.gateway != NULLCHAR) {
1372 if (appData.debugMode) {
1373 fprintf(debugFP, ">ICS: ");
1374 show_bytes(debugFP, message, count);
1375 fprintf(debugFP, "\n");
1377 return OutputToProcess(pr, message, count, outError);
1380 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1387 if (appData.debugMode) {
1388 fprintf(debugFP, ">ICS: ");
1389 show_bytes(debugFP, buf, newcount);
1390 fprintf(debugFP, "\n");
1392 outcount = OutputToProcess(pr, buf, newcount, outError);
1393 if (outcount < newcount) return -1; /* to be sure */
1400 } else if (((unsigned char) *p) == TN_IAC) {
1401 *q++ = (char) TN_IAC;
1408 if (appData.debugMode) {
1409 fprintf(debugFP, ">ICS: ");
1410 show_bytes(debugFP, buf, newcount);
1411 fprintf(debugFP, "\n");
1413 outcount = OutputToProcess(pr, buf, newcount, outError);
1414 if (outcount < newcount) return -1; /* to be sure */
1419 read_from_player(isr, closure, message, count, error)
1426 int outError, outCount;
1427 static int gotEof = 0;
1429 /* Pass data read from player on to ICS */
1432 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1433 if (outCount < count) {
1434 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1436 } else if (count < 0) {
1437 RemoveInputSource(isr);
1438 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1439 } else if (gotEof++ > 0) {
1440 RemoveInputSource(isr);
1441 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1447 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1448 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1449 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1450 SendToICS("date\n");
1451 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1454 /* added routine for printf style output to ics */
1455 void ics_printf(char *format, ...)
1457 char buffer[MSG_SIZ];
1460 va_start(args, format);
1461 vsnprintf(buffer, sizeof(buffer), format, args);
1462 buffer[sizeof(buffer)-1] = '\0';
1471 int count, outCount, outError;
1473 if (icsPR == NULL) return;
1476 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1477 if (outCount < count) {
1478 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1482 /* This is used for sending logon scripts to the ICS. Sending
1483 without a delay causes problems when using timestamp on ICC
1484 (at least on my machine). */
1486 SendToICSDelayed(s,msdelay)
1490 int count, outCount, outError;
1492 if (icsPR == NULL) return;
1495 if (appData.debugMode) {
1496 fprintf(debugFP, ">ICS: ");
1497 show_bytes(debugFP, s, count);
1498 fprintf(debugFP, "\n");
1500 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1502 if (outCount < count) {
1503 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1508 /* Remove all highlighting escape sequences in s
1509 Also deletes any suffix starting with '('
1512 StripHighlightAndTitle(s)
1515 static char retbuf[MSG_SIZ];
1518 while (*s != NULLCHAR) {
1519 while (*s == '\033') {
1520 while (*s != NULLCHAR && !isalpha(*s)) s++;
1521 if (*s != NULLCHAR) s++;
1523 while (*s != NULLCHAR && *s != '\033') {
1524 if (*s == '(' || *s == '[') {
1535 /* Remove all highlighting escape sequences in s */
1540 static char retbuf[MSG_SIZ];
1543 while (*s != NULLCHAR) {
1544 while (*s == '\033') {
1545 while (*s != NULLCHAR && !isalpha(*s)) s++;
1546 if (*s != NULLCHAR) s++;
1548 while (*s != NULLCHAR && *s != '\033') {
1556 char *variantNames[] = VARIANT_NAMES;
1561 return variantNames[v];
1565 /* Identify a variant from the strings the chess servers use or the
1566 PGN Variant tag names we use. */
1573 VariantClass v = VariantNormal;
1574 int i, found = FALSE;
1579 /* [HGM] skip over optional board-size prefixes */
1580 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1581 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1582 while( *e++ != '_');
1585 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1589 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1590 if (StrCaseStr(e, variantNames[i])) {
1591 v = (VariantClass) i;
1598 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1599 || StrCaseStr(e, "wild/fr")
1600 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1601 v = VariantFischeRandom;
1602 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1603 (i = 1, p = StrCaseStr(e, "w"))) {
1605 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
1612 case 0: /* FICS only, actually */
1614 /* Castling legal even if K starts on d-file */
1615 v = VariantWildCastle;
1620 /* Castling illegal even if K & R happen to start in
1621 normal positions. */
1622 v = VariantNoCastle;
1635 /* Castling legal iff K & R start in normal positions */
1641 /* Special wilds for position setup; unclear what to do here */
1642 v = VariantLoadable;
1645 /* Bizarre ICC game */
1646 v = VariantTwoKings;
1649 v = VariantKriegspiel;
1655 v = VariantFischeRandom;
1658 v = VariantCrazyhouse;
1661 v = VariantBughouse;
1667 /* Not quite the same as FICS suicide! */
1668 v = VariantGiveaway;
1674 v = VariantShatranj;
1677 /* Temporary names for future ICC types. The name *will* change in
1678 the next xboard/WinBoard release after ICC defines it. */
1716 v = VariantCapablanca;
1719 v = VariantKnightmate;
1725 v = VariantCylinder;
1731 v = VariantCapaRandom;
1734 v = VariantBerolina;
1746 /* Found "wild" or "w" in the string but no number;
1747 must assume it's normal chess. */
1751 sprintf(buf, _("Unknown wild type %d"), wnum);
1752 DisplayError(buf, 0);
1758 if (appData.debugMode) {
1759 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
1760 e, wnum, VariantName(v));
1765 static int leftover_start = 0, leftover_len = 0;
1766 char star_match[STAR_MATCH_N][MSG_SIZ];
1768 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
1769 advance *index beyond it, and set leftover_start to the new value of
1770 *index; else return FALSE. If pattern contains the character '*', it
1771 matches any sequence of characters not containing '\r', '\n', or the
1772 character following the '*' (if any), and the matched sequence(s) are
1773 copied into star_match.
1776 looking_at(buf, index, pattern)
1781 char *bufp = &buf[*index], *patternp = pattern;
1783 char *matchp = star_match[0];
1786 if (*patternp == NULLCHAR) {
1787 *index = leftover_start = bufp - buf;
1791 if (*bufp == NULLCHAR) return FALSE;
1792 if (*patternp == '*') {
1793 if (*bufp == *(patternp + 1)) {
1795 matchp = star_match[++star_count];
1799 } else if (*bufp == '\n' || *bufp == '\r') {
1801 if (*patternp == NULLCHAR)
1806 *matchp++ = *bufp++;
1810 if (*patternp != *bufp) return FALSE;
1817 SendToPlayer(data, length)
1821 int error, outCount;
1822 outCount = OutputToProcess(NoProc, data, length, &error);
1823 if (outCount < length) {
1824 DisplayFatalError(_("Error writing to display"), error, 1);
1829 PackHolding(packed, holding)
1841 switch (runlength) {
1852 sprintf(q, "%d", runlength);
1864 /* Telnet protocol requests from the front end */
1866 TelnetRequest(ddww, option)
1867 unsigned char ddww, option;
1869 unsigned char msg[3];
1870 int outCount, outError;
1872 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
1874 if (appData.debugMode) {
1875 char buf1[8], buf2[8], *ddwwStr, *optionStr;
1891 sprintf(buf1, "%d", ddww);
1900 sprintf(buf2, "%d", option);
1903 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
1908 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
1910 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1917 if (!appData.icsActive) return;
1918 TelnetRequest(TN_DO, TN_ECHO);
1924 if (!appData.icsActive) return;
1925 TelnetRequest(TN_DONT, TN_ECHO);
1929 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
1931 /* put the holdings sent to us by the server on the board holdings area */
1932 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
1936 if(gameInfo.holdingsWidth < 2) return;
1937 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
1938 return; // prevent overwriting by pre-board holdings
1940 if( (int)lowestPiece >= BlackPawn ) {
1943 holdingsStartRow = BOARD_HEIGHT-1;
1946 holdingsColumn = BOARD_WIDTH-1;
1947 countsColumn = BOARD_WIDTH-2;
1948 holdingsStartRow = 0;
1952 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
1953 board[i][holdingsColumn] = EmptySquare;
1954 board[i][countsColumn] = (ChessSquare) 0;
1956 while( (p=*holdings++) != NULLCHAR ) {
1957 piece = CharToPiece( ToUpper(p) );
1958 if(piece == EmptySquare) continue;
1959 /*j = (int) piece - (int) WhitePawn;*/
1960 j = PieceToNumber(piece);
1961 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
1962 if(j < 0) continue; /* should not happen */
1963 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
1964 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
1965 board[holdingsStartRow+j*direction][countsColumn]++;
1971 VariantSwitch(Board board, VariantClass newVariant)
1973 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
1976 startedFromPositionFile = FALSE;
1977 if(gameInfo.variant == newVariant) return;
1979 /* [HGM] This routine is called each time an assignment is made to
1980 * gameInfo.variant during a game, to make sure the board sizes
1981 * are set to match the new variant. If that means adding or deleting
1982 * holdings, we shift the playing board accordingly
1983 * This kludge is needed because in ICS observe mode, we get boards
1984 * of an ongoing game without knowing the variant, and learn about the
1985 * latter only later. This can be because of the move list we requested,
1986 * in which case the game history is refilled from the beginning anyway,
1987 * but also when receiving holdings of a crazyhouse game. In the latter
1988 * case we want to add those holdings to the already received position.
1992 if (appData.debugMode) {
1993 fprintf(debugFP, "Switch board from %s to %s\n",
1994 VariantName(gameInfo.variant), VariantName(newVariant));
1995 setbuf(debugFP, NULL);
1997 shuffleOpenings = 0; /* [HGM] shuffle */
1998 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2002 newWidth = 9; newHeight = 9;
2003 gameInfo.holdingsSize = 7;
2004 case VariantBughouse:
2005 case VariantCrazyhouse:
2006 newHoldingsWidth = 2; break;
2010 newHoldingsWidth = 2;
2011 gameInfo.holdingsSize = 8;
2014 case VariantCapablanca:
2015 case VariantCapaRandom:
2018 newHoldingsWidth = gameInfo.holdingsSize = 0;
2021 if(newWidth != gameInfo.boardWidth ||
2022 newHeight != gameInfo.boardHeight ||
2023 newHoldingsWidth != gameInfo.holdingsWidth ) {
2025 /* shift position to new playing area, if needed */
2026 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2027 for(i=0; i<BOARD_HEIGHT; i++)
2028 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2029 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2031 for(i=0; i<newHeight; i++) {
2032 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2033 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2035 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2036 for(i=0; i<BOARD_HEIGHT; i++)
2037 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2038 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2041 gameInfo.boardWidth = newWidth;
2042 gameInfo.boardHeight = newHeight;
2043 gameInfo.holdingsWidth = newHoldingsWidth;
2044 gameInfo.variant = newVariant;
2045 InitDrawingSizes(-2, 0);
2046 } else gameInfo.variant = newVariant;
2047 CopyBoard(oldBoard, board); // remember correctly formatted board
2048 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2049 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2052 static int loggedOn = FALSE;
2054 /*-- Game start info cache: --*/
2056 char gs_kind[MSG_SIZ];
2057 static char player1Name[128] = "";
2058 static char player2Name[128] = "";
2059 static char cont_seq[] = "\n\\ ";
2060 static int player1Rating = -1;
2061 static int player2Rating = -1;
2062 /*----------------------------*/
2064 ColorClass curColor = ColorNormal;
2065 int suppressKibitz = 0;
2068 Boolean soughtPending = FALSE;
2069 Boolean seekGraphUp;
2070 #define MAX_SEEK_ADS 200
2072 char *seekAdList[MAX_SEEK_ADS];
2073 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2074 float tcList[MAX_SEEK_ADS];
2075 char colorList[MAX_SEEK_ADS];
2076 int nrOfSeekAds = 0;
2077 int minRating = 1010, maxRating = 2800;
2078 int hMargin = 10, vMargin = 20, h, w;
2079 extern int squareSize, lineGap;
2084 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2085 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2086 if(r < minRating+100 && r >=0 ) r = minRating+100;
2087 if(r > maxRating) r = maxRating;
2088 if(tc < 1.) tc = 1.;
2089 if(tc > 95.) tc = 95.;
2090 x = (w-hMargin)* log(tc)/log(100.) + hMargin;
2091 y = ((double)r - minRating)/(maxRating - minRating)
2092 * (h-vMargin-squareSize/8-1) + vMargin;
2093 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2094 if(strstr(seekAdList[i], " u ")) color = 1;
2095 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2096 !strstr(seekAdList[i], "bullet") &&
2097 !strstr(seekAdList[i], "blitz") &&
2098 !strstr(seekAdList[i], "standard") ) color = 2;
2099 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2100 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2104 AddAd(char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2106 char buf[MSG_SIZ], *ext = "";
2107 VariantClass v = StringToVariant(type);
2108 if(strstr(type, "wild")) {
2109 ext = type + 4; // append wild number
2110 if(v == VariantFischeRandom) type = "chess960"; else
2111 if(v == VariantLoadable) type = "setup"; else
2112 type = VariantName(v);
2114 sprintf(buf, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2115 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2116 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2117 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2118 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2119 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2120 seekNrList[nrOfSeekAds] = nr;
2121 zList[nrOfSeekAds] = 0;
2122 seekAdList[nrOfSeekAds++] = StrSave(buf);
2123 if(plot) PlotSeekAd(nrOfSeekAds-1);
2130 int x = xList[i], y = yList[i], d=squareSize/4, k;
2131 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2132 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2133 // now replot every dot that overlapped
2134 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2135 int xx = xList[k], yy = yList[k];
2136 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2137 DrawSeekDot(xx, yy, colorList[k]);
2142 RemoveSeekAd(int nr)
2145 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2147 if(seekAdList[i]) free(seekAdList[i]);
2148 seekAdList[i] = seekAdList[--nrOfSeekAds];
2149 seekNrList[i] = seekNrList[nrOfSeekAds];
2150 ratingList[i] = ratingList[nrOfSeekAds];
2151 colorList[i] = colorList[nrOfSeekAds];
2152 tcList[i] = tcList[nrOfSeekAds];
2153 xList[i] = xList[nrOfSeekAds];
2154 yList[i] = yList[nrOfSeekAds];
2155 zList[i] = zList[nrOfSeekAds];
2156 seekAdList[nrOfSeekAds] = NULL;
2162 MatchSoughtLine(char *line)
2164 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2165 int nr, base, inc, u=0; char dummy;
2167 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2168 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2170 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2171 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2172 // match: compact and save the line
2173 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2182 if(!seekGraphUp) return FALSE;
2184 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2185 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2187 DrawSeekBackground(0, 0, w, h);
2188 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2189 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2190 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2191 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2193 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2196 sprintf(buf, "%d", i);
2197 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2200 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2201 for(i=1; i<100; i+=(i<10?1:5)) {
2202 int xx = (w-hMargin)* log((double)i)/log(100.) + hMargin;
2203 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2204 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2206 sprintf(buf, "%d", i);
2207 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2210 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2214 int SeekGraphClick(ClickType click, int x, int y, int moving)
2216 static int lastDown = 0, displayed = 0, lastSecond;
2217 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2218 if(click == Release || moving) return FALSE;
2220 soughtPending = TRUE;
2221 SendToICS(ics_prefix);
2222 SendToICS("sought\n"); // should this be "sought all"?
2223 } else { // issue challenge based on clicked ad
2224 int dist = 10000; int i, closest = 0, second = 0;
2225 for(i=0; i<nrOfSeekAds; i++) {
2226 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2227 if(d < dist) { dist = d; closest = i; }
2228 second += (d - zList[i] < 120); // count in-range ads
2229 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2233 second = (second > 1);
2234 if(displayed != closest || second != lastSecond) {
2235 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2236 lastSecond = second; displayed = closest;
2238 sprintf(buf, "play %d\n", seekNrList[closest]);
2239 if(click == Press) {
2240 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2243 } // on press 'hit', only show info
2244 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2245 SendToICS(ics_prefix);
2246 SendToICS(buf); // should this be "sought all"?
2247 } else if(click == Release) { // release 'miss' is ignored
2248 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2249 if(moving == 2) { // right up-click
2250 nrOfSeekAds = 0; // refresh graph
2251 soughtPending = TRUE;
2252 SendToICS(ics_prefix);
2253 SendToICS("sought\n"); // should this be "sought all"?
2256 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2257 // press miss or release hit 'pop down' seek graph
2258 seekGraphUp = FALSE;
2259 DrawPosition(TRUE, NULL);
2265 read_from_ics(isr, closure, data, count, error)
2272 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2273 #define STARTED_NONE 0
2274 #define STARTED_MOVES 1
2275 #define STARTED_BOARD 2
2276 #define STARTED_OBSERVE 3
2277 #define STARTED_HOLDINGS 4
2278 #define STARTED_CHATTER 5
2279 #define STARTED_COMMENT 6
2280 #define STARTED_MOVES_NOHIDE 7
2282 static int started = STARTED_NONE;
2283 static char parse[20000];
2284 static int parse_pos = 0;
2285 static char buf[BUF_SIZE + 1];
2286 static int firstTime = TRUE, intfSet = FALSE;
2287 static ColorClass prevColor = ColorNormal;
2288 static int savingComment = FALSE;
2289 static int cmatch = 0; // continuation sequence match
2296 int backup; /* [DM] For zippy color lines */
2298 char talker[MSG_SIZ]; // [HGM] chat
2301 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2303 if (appData.debugMode) {
2305 fprintf(debugFP, "<ICS: ");
2306 show_bytes(debugFP, data, count);
2307 fprintf(debugFP, "\n");
2311 if (appData.debugMode) { int f = forwardMostMove;
2312 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2313 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2314 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2317 /* If last read ended with a partial line that we couldn't parse,
2318 prepend it to the new read and try again. */
2319 if (leftover_len > 0) {
2320 for (i=0; i<leftover_len; i++)
2321 buf[i] = buf[leftover_start + i];
2324 /* copy new characters into the buffer */
2325 bp = buf + leftover_len;
2326 buf_len=leftover_len;
2327 for (i=0; i<count; i++)
2330 if (data[i] == '\r')
2333 // join lines split by ICS?
2334 if (!appData.noJoin)
2337 Joining just consists of finding matches against the
2338 continuation sequence, and discarding that sequence
2339 if found instead of copying it. So, until a match
2340 fails, there's nothing to do since it might be the
2341 complete sequence, and thus, something we don't want
2344 if (data[i] == cont_seq[cmatch])
2347 if (cmatch == strlen(cont_seq))
2349 cmatch = 0; // complete match. just reset the counter
2352 it's possible for the ICS to not include the space
2353 at the end of the last word, making our [correct]
2354 join operation fuse two separate words. the server
2355 does this when the space occurs at the width setting.
2357 if (!buf_len || buf[buf_len-1] != ' ')
2368 match failed, so we have to copy what matched before
2369 falling through and copying this character. In reality,
2370 this will only ever be just the newline character, but
2371 it doesn't hurt to be precise.
2373 strncpy(bp, cont_seq, cmatch);
2385 buf[buf_len] = NULLCHAR;
2386 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2391 while (i < buf_len) {
2392 /* Deal with part of the TELNET option negotiation
2393 protocol. We refuse to do anything beyond the
2394 defaults, except that we allow the WILL ECHO option,
2395 which ICS uses to turn off password echoing when we are
2396 directly connected to it. We reject this option
2397 if localLineEditing mode is on (always on in xboard)
2398 and we are talking to port 23, which might be a real
2399 telnet server that will try to keep WILL ECHO on permanently.
2401 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2402 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2403 unsigned char option;
2405 switch ((unsigned char) buf[++i]) {
2407 if (appData.debugMode)
2408 fprintf(debugFP, "\n<WILL ");
2409 switch (option = (unsigned char) buf[++i]) {
2411 if (appData.debugMode)
2412 fprintf(debugFP, "ECHO ");
2413 /* Reply only if this is a change, according
2414 to the protocol rules. */
2415 if (remoteEchoOption) break;
2416 if (appData.localLineEditing &&
2417 atoi(appData.icsPort) == TN_PORT) {
2418 TelnetRequest(TN_DONT, TN_ECHO);
2421 TelnetRequest(TN_DO, TN_ECHO);
2422 remoteEchoOption = TRUE;
2426 if (appData.debugMode)
2427 fprintf(debugFP, "%d ", option);
2428 /* Whatever this is, we don't want it. */
2429 TelnetRequest(TN_DONT, option);
2434 if (appData.debugMode)
2435 fprintf(debugFP, "\n<WONT ");
2436 switch (option = (unsigned char) buf[++i]) {
2438 if (appData.debugMode)
2439 fprintf(debugFP, "ECHO ");
2440 /* Reply only if this is a change, according
2441 to the protocol rules. */
2442 if (!remoteEchoOption) break;
2444 TelnetRequest(TN_DONT, TN_ECHO);
2445 remoteEchoOption = FALSE;
2448 if (appData.debugMode)
2449 fprintf(debugFP, "%d ", (unsigned char) option);
2450 /* Whatever this is, it must already be turned
2451 off, because we never agree to turn on
2452 anything non-default, so according to the
2453 protocol rules, we don't reply. */
2458 if (appData.debugMode)
2459 fprintf(debugFP, "\n<DO ");
2460 switch (option = (unsigned char) buf[++i]) {
2462 /* Whatever this is, we refuse to do it. */
2463 if (appData.debugMode)
2464 fprintf(debugFP, "%d ", option);
2465 TelnetRequest(TN_WONT, option);
2470 if (appData.debugMode)
2471 fprintf(debugFP, "\n<DONT ");
2472 switch (option = (unsigned char) buf[++i]) {
2474 if (appData.debugMode)
2475 fprintf(debugFP, "%d ", option);
2476 /* Whatever this is, we are already not doing
2477 it, because we never agree to do anything
2478 non-default, so according to the protocol
2479 rules, we don't reply. */
2484 if (appData.debugMode)
2485 fprintf(debugFP, "\n<IAC ");
2486 /* Doubled IAC; pass it through */
2490 if (appData.debugMode)
2491 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2492 /* Drop all other telnet commands on the floor */
2495 if (oldi > next_out)
2496 SendToPlayer(&buf[next_out], oldi - next_out);
2502 /* OK, this at least will *usually* work */
2503 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2507 if (loggedOn && !intfSet) {
2508 if (ics_type == ICS_ICC) {
2510 "/set-quietly interface %s\n/set-quietly style 12\n",
2512 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2513 strcat(str, "/set-2 51 1\n/set seek 1\n");
2514 } else if (ics_type == ICS_CHESSNET) {
2515 sprintf(str, "/style 12\n");
2517 strcpy(str, "alias $ @\n$set interface ");
2518 strcat(str, programVersion);
2519 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2520 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2521 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2523 strcat(str, "$iset nohighlight 1\n");
2525 strcat(str, "$iset lock 1\n$style 12\n");
2528 NotifyFrontendLogin();
2532 if (started == STARTED_COMMENT) {
2533 /* Accumulate characters in comment */
2534 parse[parse_pos++] = buf[i];
2535 if (buf[i] == '\n') {
2536 parse[parse_pos] = NULLCHAR;
2537 if(chattingPartner>=0) {
2539 sprintf(mess, "%s%s", talker, parse);
2540 OutputChatMessage(chattingPartner, mess);
2541 chattingPartner = -1;
2543 if(!suppressKibitz) // [HGM] kibitz
2544 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2545 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2546 int nrDigit = 0, nrAlph = 0, j;
2547 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2548 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2549 parse[parse_pos] = NULLCHAR;
2550 // try to be smart: if it does not look like search info, it should go to
2551 // ICS interaction window after all, not to engine-output window.
2552 for(j=0; j<parse_pos; j++) { // count letters and digits
2553 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2554 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2555 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2557 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2558 int depth=0; float score;
2559 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2560 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2561 pvInfoList[forwardMostMove-1].depth = depth;
2562 pvInfoList[forwardMostMove-1].score = 100*score;
2564 OutputKibitz(suppressKibitz, parse);
2565 next_out = i+1; // [HGM] suppress printing in ICS window
2568 sprintf(tmp, _("your opponent kibitzes: %s"), parse);
2569 SendToPlayer(tmp, strlen(tmp));
2572 started = STARTED_NONE;
2574 /* Don't match patterns against characters in comment */
2579 if (started == STARTED_CHATTER) {
2580 if (buf[i] != '\n') {
2581 /* Don't match patterns against characters in chatter */
2585 started = STARTED_NONE;
2588 /* Kludge to deal with rcmd protocol */
2589 if (firstTime && looking_at(buf, &i, "\001*")) {
2590 DisplayFatalError(&buf[1], 0, 1);
2596 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2599 if (appData.debugMode)
2600 fprintf(debugFP, "ics_type %d\n", ics_type);
2603 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2604 ics_type = ICS_FICS;
2606 if (appData.debugMode)
2607 fprintf(debugFP, "ics_type %d\n", ics_type);
2610 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
2611 ics_type = ICS_CHESSNET;
2613 if (appData.debugMode)
2614 fprintf(debugFP, "ics_type %d\n", ics_type);
2619 (looking_at(buf, &i, "\"*\" is *a registered name") ||
2620 looking_at(buf, &i, "Logging you in as \"*\"") ||
2621 looking_at(buf, &i, "will be \"*\""))) {
2622 strcpy(ics_handle, star_match[0]);
2626 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
2628 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
2629 DisplayIcsInteractionTitle(buf);
2630 have_set_title = TRUE;
2633 /* skip finger notes */
2634 if (started == STARTED_NONE &&
2635 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
2636 (buf[i] == '1' && buf[i+1] == '0')) &&
2637 buf[i+2] == ':' && buf[i+3] == ' ') {
2638 started = STARTED_CHATTER;
2643 // [HGM] seekgraph: recognize sought lines and end-of-sought message
2644 if(appData.seekGraph) {
2645 if(soughtPending && MatchSoughtLine(buf+i)) {
2646 i = strstr(buf+i, "rated") - buf;
2647 next_out = leftover_start = i;
2648 started = STARTED_CHATTER;
2649 suppressKibitz = TRUE;
2652 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
2653 && looking_at(buf, &i, "* ads displayed")) {
2654 soughtPending = FALSE;
2659 if(appData.autoRefresh) {
2660 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
2661 int s = (ics_type == ICS_ICC); // ICC format differs
2663 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
2664 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
2665 looking_at(buf, &i, "*% "); // eat prompt
2666 next_out = i; // suppress
2669 if(looking_at(buf, &i, "Ads removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
2670 char *p = star_match[0];
2672 if(seekGraphUp) RemoveSeekAd(atoi(p));
2673 while(*p && *p++ != ' '); // next
2675 looking_at(buf, &i, "*% "); // eat prompt
2682 /* skip formula vars */
2683 if (started == STARTED_NONE &&
2684 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
2685 started = STARTED_CHATTER;
2691 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
2692 if (appData.autoKibitz && started == STARTED_NONE &&
2693 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
2694 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
2695 if(looking_at(buf, &i, "* kibitzes: ") &&
2696 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
2697 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
2698 suppressKibitz = TRUE;
2699 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
2700 && (gameMode == IcsPlayingWhite)) ||
2701 (StrStr(star_match[0], gameInfo.black) == star_match[0]
2702 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
2703 started = STARTED_CHATTER; // own kibitz we simply discard
2705 started = STARTED_COMMENT; // make sure it will be collected in parse[]
2706 parse_pos = 0; parse[0] = NULLCHAR;
2707 savingComment = TRUE;
2708 suppressKibitz = gameMode != IcsObserving ? 2 :
2709 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
2713 if(looking_at(buf, &i, "kibitzed to *\n") && atoi(star_match[0])) {
2714 // suppress the acknowledgements of our own autoKibitz
2716 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
2717 SendToPlayer(star_match[0], strlen(star_match[0]));
2718 looking_at(buf, &i, "*% "); // eat prompt
2721 } // [HGM] kibitz: end of patch
2723 //if(appData.debugMode) fprintf(debugFP, "hunt for tell, buf = %s\n", buf+i);
2725 // [HGM] chat: intercept tells by users for which we have an open chat window
2727 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
2728 looking_at(buf, &i, "* whispers:") ||
2729 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
2730 looking_at(buf, &i, "*(*)(*):") && sscanf(star_match[2], "%d", &channel) == 1 )) {
2732 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
2733 chattingPartner = -1;
2735 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
2736 for(p=0; p<MAX_CHAT; p++) {
2737 if(channel == atoi(chatPartner[p])) {
2738 talker[0] = '['; strcat(talker, "] ");
2739 chattingPartner = p; break;
2742 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
2743 for(p=0; p<MAX_CHAT; p++) {
2744 if(!strcmp("WHISPER", chatPartner[p])) {
2745 talker[0] = '['; strcat(talker, "] ");
2746 chattingPartner = p; break;
2749 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
2750 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
2752 chattingPartner = p; break;
2754 if(chattingPartner<0) i = oldi; else {
2755 started = STARTED_COMMENT;
2756 parse_pos = 0; parse[0] = NULLCHAR;
2757 savingComment = 3 + chattingPartner; // counts as TRUE
2758 suppressKibitz = TRUE;
2760 } // [HGM] chat: end of patch
2762 if (appData.zippyTalk || appData.zippyPlay) {
2763 /* [DM] Backup address for color zippy lines */
2767 if (loggedOn == TRUE)
2768 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
2769 (appData.zippyPlay && ZippyMatch(buf, &backup)));
2771 if (ZippyControl(buf, &i) ||
2772 ZippyConverse(buf, &i) ||
2773 (appData.zippyPlay && ZippyMatch(buf, &i))) {
2775 if (!appData.colorize) continue;
2779 } // [DM] 'else { ' deleted
2781 /* Regular tells and says */
2782 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
2783 looking_at(buf, &i, "* (your partner) tells you: ") ||
2784 looking_at(buf, &i, "* says: ") ||
2785 /* Don't color "message" or "messages" output */
2786 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
2787 looking_at(buf, &i, "*. * at *:*: ") ||
2788 looking_at(buf, &i, "--* (*:*): ") ||
2789 /* Message notifications (same color as tells) */
2790 looking_at(buf, &i, "* has left a message ") ||
2791 looking_at(buf, &i, "* just sent you a message:\n") ||
2792 /* Whispers and kibitzes */
2793 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
2794 looking_at(buf, &i, "* kibitzes: ") ||
2796 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
2798 if (tkind == 1 && strchr(star_match[0], ':')) {
2799 /* Avoid "tells you:" spoofs in channels */
2802 if (star_match[0][0] == NULLCHAR ||
2803 strchr(star_match[0], ' ') ||
2804 (tkind == 3 && strchr(star_match[1], ' '))) {
2805 /* Reject bogus matches */
2808 if (appData.colorize) {
2809 if (oldi > next_out) {
2810 SendToPlayer(&buf[next_out], oldi - next_out);
2815 Colorize(ColorTell, FALSE);
2816 curColor = ColorTell;
2819 Colorize(ColorKibitz, FALSE);
2820 curColor = ColorKibitz;
2823 p = strrchr(star_match[1], '(');
2830 Colorize(ColorChannel1, FALSE);
2831 curColor = ColorChannel1;
2833 Colorize(ColorChannel, FALSE);
2834 curColor = ColorChannel;
2838 curColor = ColorNormal;
2842 if (started == STARTED_NONE && appData.autoComment &&
2843 (gameMode == IcsObserving ||
2844 gameMode == IcsPlayingWhite ||
2845 gameMode == IcsPlayingBlack)) {
2846 parse_pos = i - oldi;
2847 memcpy(parse, &buf[oldi], parse_pos);
2848 parse[parse_pos] = NULLCHAR;
2849 started = STARTED_COMMENT;
2850 savingComment = TRUE;
2852 started = STARTED_CHATTER;
2853 savingComment = FALSE;
2860 if (looking_at(buf, &i, "* s-shouts: ") ||
2861 looking_at(buf, &i, "* c-shouts: ")) {
2862 if (appData.colorize) {
2863 if (oldi > next_out) {
2864 SendToPlayer(&buf[next_out], oldi - next_out);
2867 Colorize(ColorSShout, FALSE);
2868 curColor = ColorSShout;
2871 started = STARTED_CHATTER;
2875 if (looking_at(buf, &i, "--->")) {
2880 if (looking_at(buf, &i, "* shouts: ") ||
2881 looking_at(buf, &i, "--> ")) {
2882 if (appData.colorize) {
2883 if (oldi > next_out) {
2884 SendToPlayer(&buf[next_out], oldi - next_out);
2887 Colorize(ColorShout, FALSE);
2888 curColor = ColorShout;
2891 started = STARTED_CHATTER;
2895 if (looking_at( buf, &i, "Challenge:")) {
2896 if (appData.colorize) {
2897 if (oldi > next_out) {
2898 SendToPlayer(&buf[next_out], oldi - next_out);
2901 Colorize(ColorChallenge, FALSE);
2902 curColor = ColorChallenge;
2908 if (looking_at(buf, &i, "* offers you") ||
2909 looking_at(buf, &i, "* offers to be") ||
2910 looking_at(buf, &i, "* would like to") ||
2911 looking_at(buf, &i, "* requests to") ||
2912 looking_at(buf, &i, "Your opponent offers") ||
2913 looking_at(buf, &i, "Your opponent requests")) {
2915 if (appData.colorize) {
2916 if (oldi > next_out) {
2917 SendToPlayer(&buf[next_out], oldi - next_out);
2920 Colorize(ColorRequest, FALSE);
2921 curColor = ColorRequest;
2926 if (looking_at(buf, &i, "* (*) seeking")) {
2927 if (appData.colorize) {
2928 if (oldi > next_out) {
2929 SendToPlayer(&buf[next_out], oldi - next_out);
2932 Colorize(ColorSeek, FALSE);
2933 curColor = ColorSeek;
2938 if (looking_at(buf, &i, "\\ ")) {
2939 if (prevColor != ColorNormal) {
2940 if (oldi > next_out) {
2941 SendToPlayer(&buf[next_out], oldi - next_out);
2944 Colorize(prevColor, TRUE);
2945 curColor = prevColor;
2947 if (savingComment) {
2948 parse_pos = i - oldi;
2949 memcpy(parse, &buf[oldi], parse_pos);
2950 parse[parse_pos] = NULLCHAR;
2951 started = STARTED_COMMENT;
2952 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
2953 chattingPartner = savingComment - 3; // kludge to remember the box
2955 started = STARTED_CHATTER;
2960 if (looking_at(buf, &i, "Black Strength :") ||
2961 looking_at(buf, &i, "<<< style 10 board >>>") ||
2962 looking_at(buf, &i, "<10>") ||
2963 looking_at(buf, &i, "#@#")) {
2964 /* Wrong board style */
2966 SendToICS(ics_prefix);
2967 SendToICS("set style 12\n");
2968 SendToICS(ics_prefix);
2969 SendToICS("refresh\n");
2973 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
2975 have_sent_ICS_logon = 1;
2979 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
2980 (looking_at(buf, &i, "\n<12> ") ||
2981 looking_at(buf, &i, "<12> "))) {
2983 if (oldi > next_out) {
2984 SendToPlayer(&buf[next_out], oldi - next_out);
2987 started = STARTED_BOARD;
2992 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
2993 looking_at(buf, &i, "<b1> ")) {
2994 if (oldi > next_out) {
2995 SendToPlayer(&buf[next_out], oldi - next_out);
2998 started = STARTED_HOLDINGS;
3003 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3005 /* Header for a move list -- first line */
3007 switch (ics_getting_history) {
3011 case BeginningOfGame:
3012 /* User typed "moves" or "oldmoves" while we
3013 were idle. Pretend we asked for these
3014 moves and soak them up so user can step
3015 through them and/or save them.
3018 gameMode = IcsObserving;
3021 ics_getting_history = H_GOT_UNREQ_HEADER;
3023 case EditGame: /*?*/
3024 case EditPosition: /*?*/
3025 /* Should above feature work in these modes too? */
3026 /* For now it doesn't */
3027 ics_getting_history = H_GOT_UNWANTED_HEADER;
3030 ics_getting_history = H_GOT_UNWANTED_HEADER;
3035 /* Is this the right one? */
3036 if (gameInfo.white && gameInfo.black &&
3037 strcmp(gameInfo.white, star_match[0]) == 0 &&
3038 strcmp(gameInfo.black, star_match[2]) == 0) {
3040 ics_getting_history = H_GOT_REQ_HEADER;
3043 case H_GOT_REQ_HEADER:
3044 case H_GOT_UNREQ_HEADER:
3045 case H_GOT_UNWANTED_HEADER:
3046 case H_GETTING_MOVES:
3047 /* Should not happen */
3048 DisplayError(_("Error gathering move list: two headers"), 0);
3049 ics_getting_history = H_FALSE;
3053 /* Save player ratings into gameInfo if needed */
3054 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3055 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3056 (gameInfo.whiteRating == -1 ||
3057 gameInfo.blackRating == -1)) {
3059 gameInfo.whiteRating = string_to_rating(star_match[1]);
3060 gameInfo.blackRating = string_to_rating(star_match[3]);
3061 if (appData.debugMode)
3062 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3063 gameInfo.whiteRating, gameInfo.blackRating);
3068 if (looking_at(buf, &i,
3069 "* * match, initial time: * minute*, increment: * second")) {
3070 /* Header for a move list -- second line */
3071 /* Initial board will follow if this is a wild game */
3072 if (gameInfo.event != NULL) free(gameInfo.event);
3073 sprintf(str, "ICS %s %s match", star_match[0], star_match[1]);
3074 gameInfo.event = StrSave(str);
3075 /* [HGM] we switched variant. Translate boards if needed. */
3076 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3080 if (looking_at(buf, &i, "Move ")) {
3081 /* Beginning of a move list */
3082 switch (ics_getting_history) {
3084 /* Normally should not happen */
3085 /* Maybe user hit reset while we were parsing */
3088 /* Happens if we are ignoring a move list that is not
3089 * the one we just requested. Common if the user
3090 * tries to observe two games without turning off
3093 case H_GETTING_MOVES:
3094 /* Should not happen */
3095 DisplayError(_("Error gathering move list: nested"), 0);
3096 ics_getting_history = H_FALSE;
3098 case H_GOT_REQ_HEADER:
3099 ics_getting_history = H_GETTING_MOVES;
3100 started = STARTED_MOVES;
3102 if (oldi > next_out) {
3103 SendToPlayer(&buf[next_out], oldi - next_out);
3106 case H_GOT_UNREQ_HEADER:
3107 ics_getting_history = H_GETTING_MOVES;
3108 started = STARTED_MOVES_NOHIDE;
3111 case H_GOT_UNWANTED_HEADER:
3112 ics_getting_history = H_FALSE;
3118 if (looking_at(buf, &i, "% ") ||
3119 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3120 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3121 if(ics_type == ICS_ICC && soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3122 soughtPending = FALSE;
3126 if(suppressKibitz) next_out = i;
3127 savingComment = FALSE;
3131 case STARTED_MOVES_NOHIDE:
3132 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3133 parse[parse_pos + i - oldi] = NULLCHAR;
3134 ParseGameHistory(parse);
3136 if (appData.zippyPlay && first.initDone) {
3137 FeedMovesToProgram(&first, forwardMostMove);
3138 if (gameMode == IcsPlayingWhite) {
3139 if (WhiteOnMove(forwardMostMove)) {
3140 if (first.sendTime) {
3141 if (first.useColors) {
3142 SendToProgram("black\n", &first);
3144 SendTimeRemaining(&first, TRUE);
3146 if (first.useColors) {
3147 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3149 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3150 first.maybeThinking = TRUE;
3152 if (first.usePlayother) {
3153 if (first.sendTime) {
3154 SendTimeRemaining(&first, TRUE);
3156 SendToProgram("playother\n", &first);
3162 } else if (gameMode == IcsPlayingBlack) {
3163 if (!WhiteOnMove(forwardMostMove)) {
3164 if (first.sendTime) {
3165 if (first.useColors) {
3166 SendToProgram("white\n", &first);
3168 SendTimeRemaining(&first, FALSE);
3170 if (first.useColors) {
3171 SendToProgram("black\n", &first);
3173 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3174 first.maybeThinking = TRUE;
3176 if (first.usePlayother) {
3177 if (first.sendTime) {
3178 SendTimeRemaining(&first, FALSE);
3180 SendToProgram("playother\n", &first);
3189 if (gameMode == IcsObserving && ics_gamenum == -1) {
3190 /* Moves came from oldmoves or moves command
3191 while we weren't doing anything else.
3193 currentMove = forwardMostMove;
3194 ClearHighlights();/*!!could figure this out*/
3195 flipView = appData.flipView;
3196 DrawPosition(TRUE, boards[currentMove]);
3197 DisplayBothClocks();
3198 sprintf(str, "%s vs. %s",
3199 gameInfo.white, gameInfo.black);
3203 /* Moves were history of an active game */
3204 if (gameInfo.resultDetails != NULL) {
3205 free(gameInfo.resultDetails);
3206 gameInfo.resultDetails = NULL;
3209 HistorySet(parseList, backwardMostMove,
3210 forwardMostMove, currentMove-1);
3211 DisplayMove(currentMove - 1);
3212 if (started == STARTED_MOVES) next_out = i;
3213 started = STARTED_NONE;
3214 ics_getting_history = H_FALSE;
3217 case STARTED_OBSERVE:
3218 started = STARTED_NONE;
3219 SendToICS(ics_prefix);
3220 SendToICS("refresh\n");
3226 if(bookHit) { // [HGM] book: simulate book reply
3227 static char bookMove[MSG_SIZ]; // a bit generous?
3229 programStats.nodes = programStats.depth = programStats.time =
3230 programStats.score = programStats.got_only_move = 0;
3231 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3233 strcpy(bookMove, "move ");
3234 strcat(bookMove, bookHit);
3235 HandleMachineMove(bookMove, &first);
3240 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3241 started == STARTED_HOLDINGS ||
3242 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3243 /* Accumulate characters in move list or board */
3244 parse[parse_pos++] = buf[i];
3247 /* Start of game messages. Mostly we detect start of game
3248 when the first board image arrives. On some versions
3249 of the ICS, though, we need to do a "refresh" after starting
3250 to observe in order to get the current board right away. */
3251 if (looking_at(buf, &i, "Adding game * to observation list")) {
3252 started = STARTED_OBSERVE;
3256 /* Handle auto-observe */
3257 if (appData.autoObserve &&
3258 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3259 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3261 /* Choose the player that was highlighted, if any. */
3262 if (star_match[0][0] == '\033' ||
3263 star_match[1][0] != '\033') {
3264 player = star_match[0];
3266 player = star_match[2];
3268 sprintf(str, "%sobserve %s\n",
3269 ics_prefix, StripHighlightAndTitle(player));
3272 /* Save ratings from notify string */
3273 strcpy(player1Name, star_match[0]);
3274 player1Rating = string_to_rating(star_match[1]);
3275 strcpy(player2Name, star_match[2]);
3276 player2Rating = string_to_rating(star_match[3]);
3278 if (appData.debugMode)
3280 "Ratings from 'Game notification:' %s %d, %s %d\n",
3281 player1Name, player1Rating,
3282 player2Name, player2Rating);
3287 /* Deal with automatic examine mode after a game,
3288 and with IcsObserving -> IcsExamining transition */
3289 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3290 looking_at(buf, &i, "has made you an examiner of game *")) {
3292 int gamenum = atoi(star_match[0]);
3293 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3294 gamenum == ics_gamenum) {
3295 /* We were already playing or observing this game;
3296 no need to refetch history */
3297 gameMode = IcsExamining;
3299 pauseExamForwardMostMove = forwardMostMove;
3300 } else if (currentMove < forwardMostMove) {
3301 ForwardInner(forwardMostMove);
3304 /* I don't think this case really can happen */
3305 SendToICS(ics_prefix);
3306 SendToICS("refresh\n");
3311 /* Error messages */
3312 // if (ics_user_moved) {
3313 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3314 if (looking_at(buf, &i, "Illegal move") ||
3315 looking_at(buf, &i, "Not a legal move") ||
3316 looking_at(buf, &i, "Your king is in check") ||
3317 looking_at(buf, &i, "It isn't your turn") ||
3318 looking_at(buf, &i, "It is not your move")) {
3320 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3321 currentMove = --forwardMostMove;
3322 DisplayMove(currentMove - 1); /* before DMError */
3323 DrawPosition(FALSE, boards[currentMove]);
3325 DisplayBothClocks();
3327 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3333 if (looking_at(buf, &i, "still have time") ||
3334 looking_at(buf, &i, "not out of time") ||
3335 looking_at(buf, &i, "either player is out of time") ||
3336 looking_at(buf, &i, "has timeseal; checking")) {
3337 /* We must have called his flag a little too soon */
3338 whiteFlag = blackFlag = FALSE;
3342 if (looking_at(buf, &i, "added * seconds to") ||
3343 looking_at(buf, &i, "seconds were added to")) {
3344 /* Update the clocks */
3345 SendToICS(ics_prefix);
3346 SendToICS("refresh\n");
3350 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3351 ics_clock_paused = TRUE;
3356 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3357 ics_clock_paused = FALSE;
3362 /* Grab player ratings from the Creating: message.
3363 Note we have to check for the special case when
3364 the ICS inserts things like [white] or [black]. */
3365 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3366 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3368 0 player 1 name (not necessarily white)
3370 2 empty, white, or black (IGNORED)
3371 3 player 2 name (not necessarily black)
3374 The names/ratings are sorted out when the game
3375 actually starts (below).
3377 strcpy(player1Name, StripHighlightAndTitle(star_match[0]));
3378 player1Rating = string_to_rating(star_match[1]);
3379 strcpy(player2Name, StripHighlightAndTitle(star_match[3]));
3380 player2Rating = string_to_rating(star_match[4]);
3382 if (appData.debugMode)
3384 "Ratings from 'Creating:' %s %d, %s %d\n",
3385 player1Name, player1Rating,
3386 player2Name, player2Rating);
3391 /* Improved generic start/end-of-game messages */
3392 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3393 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3394 /* If tkind == 0: */
3395 /* star_match[0] is the game number */
3396 /* [1] is the white player's name */
3397 /* [2] is the black player's name */
3398 /* For end-of-game: */
3399 /* [3] is the reason for the game end */
3400 /* [4] is a PGN end game-token, preceded by " " */
3401 /* For start-of-game: */
3402 /* [3] begins with "Creating" or "Continuing" */
3403 /* [4] is " *" or empty (don't care). */
3404 int gamenum = atoi(star_match[0]);
3405 char *whitename, *blackname, *why, *endtoken;
3406 ChessMove endtype = (ChessMove) 0;
3409 whitename = star_match[1];
3410 blackname = star_match[2];
3411 why = star_match[3];
3412 endtoken = star_match[4];
3414 whitename = star_match[1];
3415 blackname = star_match[3];
3416 why = star_match[5];
3417 endtoken = star_match[6];
3420 /* Game start messages */
3421 if (strncmp(why, "Creating ", 9) == 0 ||
3422 strncmp(why, "Continuing ", 11) == 0) {
3423 gs_gamenum = gamenum;
3424 strcpy(gs_kind, strchr(why, ' ') + 1);
3425 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3427 if (appData.zippyPlay) {
3428 ZippyGameStart(whitename, blackname);
3434 /* Game end messages */
3435 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3436 ics_gamenum != gamenum) {
3439 while (endtoken[0] == ' ') endtoken++;
3440 switch (endtoken[0]) {
3443 endtype = GameUnfinished;
3446 endtype = BlackWins;
3449 if (endtoken[1] == '/')
3450 endtype = GameIsDrawn;
3452 endtype = WhiteWins;
3455 GameEnds(endtype, why, GE_ICS);
3457 if (appData.zippyPlay && first.initDone) {
3458 ZippyGameEnd(endtype, why);
3459 if (first.pr == NULL) {
3460 /* Start the next process early so that we'll
3461 be ready for the next challenge */
3462 StartChessProgram(&first);
3464 /* Send "new" early, in case this command takes
3465 a long time to finish, so that we'll be ready
3466 for the next challenge. */
3467 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3474 if (looking_at(buf, &i, "Removing game * from observation") ||
3475 looking_at(buf, &i, "no longer observing game *") ||
3476 looking_at(buf, &i, "Game * (*) has no examiners")) {
3477 if (gameMode == IcsObserving &&
3478 atoi(star_match[0]) == ics_gamenum)
3480 /* icsEngineAnalyze */
3481 if (appData.icsEngineAnalyze) {
3488 ics_user_moved = FALSE;
3493 if (looking_at(buf, &i, "no longer examining game *")) {
3494 if (gameMode == IcsExamining &&
3495 atoi(star_match[0]) == ics_gamenum)
3499 ics_user_moved = FALSE;
3504 /* Advance leftover_start past any newlines we find,
3505 so only partial lines can get reparsed */
3506 if (looking_at(buf, &i, "\n")) {
3507 prevColor = curColor;
3508 if (curColor != ColorNormal) {
3509 if (oldi > next_out) {
3510 SendToPlayer(&buf[next_out], oldi - next_out);
3513 Colorize(ColorNormal, FALSE);
3514 curColor = ColorNormal;
3516 if (started == STARTED_BOARD) {
3517 started = STARTED_NONE;
3518 parse[parse_pos] = NULLCHAR;
3519 ParseBoard12(parse);
3522 /* Send premove here */
3523 if (appData.premove) {
3525 if (currentMove == 0 &&
3526 gameMode == IcsPlayingWhite &&
3527 appData.premoveWhite) {
3528 sprintf(str, "%s\n", appData.premoveWhiteText);
3529 if (appData.debugMode)
3530 fprintf(debugFP, "Sending premove:\n");
3532 } else if (currentMove == 1 &&
3533 gameMode == IcsPlayingBlack &&
3534 appData.premoveBlack) {
3535 sprintf(str, "%s\n", appData.premoveBlackText);
3536 if (appData.debugMode)
3537 fprintf(debugFP, "Sending premove:\n");
3539 } else if (gotPremove) {
3541 ClearPremoveHighlights();
3542 if (appData.debugMode)
3543 fprintf(debugFP, "Sending premove:\n");
3544 UserMoveEvent(premoveFromX, premoveFromY,
3545 premoveToX, premoveToY,
3550 /* Usually suppress following prompt */
3551 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3552 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3553 if (looking_at(buf, &i, "*% ")) {
3554 savingComment = FALSE;
3559 } else if (started == STARTED_HOLDINGS) {
3561 char new_piece[MSG_SIZ];
3562 started = STARTED_NONE;
3563 parse[parse_pos] = NULLCHAR;
3564 if (appData.debugMode)
3565 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
3566 parse, currentMove);
3567 if (sscanf(parse, " game %d", &gamenum) == 1 &&
3568 gamenum == ics_gamenum) {
3569 if (gameInfo.variant == VariantNormal) {
3570 /* [HGM] We seem to switch variant during a game!
3571 * Presumably no holdings were displayed, so we have
3572 * to move the position two files to the right to
3573 * create room for them!
3575 VariantClass newVariant;
3576 switch(gameInfo.boardWidth) { // base guess on board width
3577 case 9: newVariant = VariantShogi; break;
3578 case 10: newVariant = VariantGreat; break;
3579 default: newVariant = VariantCrazyhouse; break;
3581 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3582 /* Get a move list just to see the header, which
3583 will tell us whether this is really bug or zh */
3584 if (ics_getting_history == H_FALSE) {
3585 ics_getting_history = H_REQUESTED;
3586 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3590 new_piece[0] = NULLCHAR;
3591 sscanf(parse, "game %d white [%s black [%s <- %s",
3592 &gamenum, white_holding, black_holding,
3594 white_holding[strlen(white_holding)-1] = NULLCHAR;
3595 black_holding[strlen(black_holding)-1] = NULLCHAR;
3596 /* [HGM] copy holdings to board holdings area */
3597 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
3598 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
3599 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
3601 if (appData.zippyPlay && first.initDone) {
3602 ZippyHoldings(white_holding, black_holding,
3606 if (tinyLayout || smallLayout) {
3607 char wh[16], bh[16];
3608 PackHolding(wh, white_holding);
3609 PackHolding(bh, black_holding);
3610 sprintf(str, "[%s-%s] %s-%s", wh, bh,
3611 gameInfo.white, gameInfo.black);
3613 sprintf(str, "%s [%s] vs. %s [%s]",
3614 gameInfo.white, white_holding,
3615 gameInfo.black, black_holding);
3618 DrawPosition(FALSE, boards[currentMove]);
3621 /* Suppress following prompt */
3622 if (looking_at(buf, &i, "*% ")) {
3623 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
3624 savingComment = FALSE;
3632 i++; /* skip unparsed character and loop back */
3635 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
3636 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
3637 // SendToPlayer(&buf[next_out], i - next_out);
3638 started != STARTED_HOLDINGS && leftover_start > next_out) {
3639 SendToPlayer(&buf[next_out], leftover_start - next_out);
3643 leftover_len = buf_len - leftover_start;
3644 /* if buffer ends with something we couldn't parse,
3645 reparse it after appending the next read */
3647 } else if (count == 0) {
3648 RemoveInputSource(isr);
3649 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
3651 DisplayFatalError(_("Error reading from ICS"), error, 1);
3656 /* Board style 12 looks like this:
3658 <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
3660 * The "<12> " is stripped before it gets to this routine. The two
3661 * trailing 0's (flip state and clock ticking) are later addition, and
3662 * some chess servers may not have them, or may have only the first.
3663 * Additional trailing fields may be added in the future.
3666 #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"
3668 #define RELATION_OBSERVING_PLAYED 0
3669 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
3670 #define RELATION_PLAYING_MYMOVE 1
3671 #define RELATION_PLAYING_NOTMYMOVE -1
3672 #define RELATION_EXAMINING 2
3673 #define RELATION_ISOLATED_BOARD -3
3674 #define RELATION_STARTING_POSITION -4 /* FICS only */
3677 ParseBoard12(string)
3680 GameMode newGameMode;
3681 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
3682 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
3683 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
3684 char to_play, board_chars[200];
3685 char move_str[500], str[500], elapsed_time[500];
3686 char black[32], white[32];
3688 int prevMove = currentMove;
3691 int fromX, fromY, toX, toY;
3693 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
3694 char *bookHit = NULL; // [HGM] book
3695 Boolean weird = FALSE, reqFlag = FALSE;
3697 fromX = fromY = toX = toY = -1;
3701 if (appData.debugMode)
3702 fprintf(debugFP, _("Parsing board: %s\n"), string);
3704 move_str[0] = NULLCHAR;
3705 elapsed_time[0] = NULLCHAR;
3706 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
3708 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
3709 if(string[i] == ' ') { ranks++; files = 0; }
3711 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
3714 for(j = 0; j <i; j++) board_chars[j] = string[j];
3715 board_chars[i] = '\0';
3718 n = sscanf(string, PATTERN, &to_play, &double_push,
3719 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
3720 &gamenum, white, black, &relation, &basetime, &increment,
3721 &white_stren, &black_stren, &white_time, &black_time,
3722 &moveNum, str, elapsed_time, move_str, &ics_flip,
3726 snprintf(str, sizeof(str), _("Failed to parse board string:\n\"%s\""), string);
3727 DisplayError(str, 0);
3731 /* Convert the move number to internal form */
3732 moveNum = (moveNum - 1) * 2;
3733 if (to_play == 'B') moveNum++;
3734 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
3735 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
3741 case RELATION_OBSERVING_PLAYED:
3742 case RELATION_OBSERVING_STATIC:
3743 if (gamenum == -1) {
3744 /* Old ICC buglet */
3745 relation = RELATION_OBSERVING_STATIC;
3747 newGameMode = IcsObserving;
3749 case RELATION_PLAYING_MYMOVE:
3750 case RELATION_PLAYING_NOTMYMOVE:
3752 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
3753 IcsPlayingWhite : IcsPlayingBlack;
3755 case RELATION_EXAMINING:
3756 newGameMode = IcsExamining;
3758 case RELATION_ISOLATED_BOARD:
3760 /* Just display this board. If user was doing something else,
3761 we will forget about it until the next board comes. */
3762 newGameMode = IcsIdle;
3764 case RELATION_STARTING_POSITION:
3765 newGameMode = gameMode;
3769 /* Modify behavior for initial board display on move listing
3772 switch (ics_getting_history) {
3776 case H_GOT_REQ_HEADER:
3777 case H_GOT_UNREQ_HEADER:
3778 /* This is the initial position of the current game */
3779 gamenum = ics_gamenum;
3780 moveNum = 0; /* old ICS bug workaround */
3781 if (to_play == 'B') {
3782 startedFromSetupPosition = TRUE;
3783 blackPlaysFirst = TRUE;
3785 if (forwardMostMove == 0) forwardMostMove = 1;
3786 if (backwardMostMove == 0) backwardMostMove = 1;
3787 if (currentMove == 0) currentMove = 1;
3789 newGameMode = gameMode;
3790 relation = RELATION_STARTING_POSITION; /* ICC needs this */
3792 case H_GOT_UNWANTED_HEADER:
3793 /* This is an initial board that we don't want */
3795 case H_GETTING_MOVES:
3796 /* Should not happen */
3797 DisplayError(_("Error gathering move list: extra board"), 0);
3798 ics_getting_history = H_FALSE;
3802 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
3803 weird && (int)gameInfo.variant <= (int)VariantShogi) {
3804 /* [HGM] We seem to have switched variant unexpectedly
3805 * Try to guess new variant from board size
3807 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
3808 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
3809 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
3810 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
3811 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
3812 if(!weird) newVariant = VariantNormal;
3813 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3814 /* Get a move list just to see the header, which
3815 will tell us whether this is really bug or zh */
3816 if (ics_getting_history == H_FALSE) {
3817 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
3818 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3823 /* Take action if this is the first board of a new game, or of a
3824 different game than is currently being displayed. */
3825 if (gamenum != ics_gamenum || newGameMode != gameMode ||
3826 relation == RELATION_ISOLATED_BOARD) {
3828 /* Forget the old game and get the history (if any) of the new one */
3829 if (gameMode != BeginningOfGame) {
3833 if (appData.autoRaiseBoard) BoardToTop();
3835 if (gamenum == -1) {
3836 newGameMode = IcsIdle;
3837 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
3838 appData.getMoveList && !reqFlag) {
3839 /* Need to get game history */
3840 ics_getting_history = H_REQUESTED;
3841 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3845 /* Initially flip the board to have black on the bottom if playing
3846 black or if the ICS flip flag is set, but let the user change
3847 it with the Flip View button. */
3848 flipView = appData.autoFlipView ?
3849 (newGameMode == IcsPlayingBlack) || ics_flip :
3852 /* Done with values from previous mode; copy in new ones */
3853 gameMode = newGameMode;
3855 ics_gamenum = gamenum;
3856 if (gamenum == gs_gamenum) {
3857 int klen = strlen(gs_kind);
3858 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
3859 sprintf(str, "ICS %s", gs_kind);
3860 gameInfo.event = StrSave(str);
3862 gameInfo.event = StrSave("ICS game");
3864 gameInfo.site = StrSave(appData.icsHost);
3865 gameInfo.date = PGNDate();
3866 gameInfo.round = StrSave("-");
3867 gameInfo.white = StrSave(white);
3868 gameInfo.black = StrSave(black);
3869 timeControl = basetime * 60 * 1000;
3871 timeIncrement = increment * 1000;
3872 movesPerSession = 0;
3873 gameInfo.timeControl = TimeControlTagValue();
3874 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
3875 if (appData.debugMode) {
3876 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
3877 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
3878 setbuf(debugFP, NULL);
3881 gameInfo.outOfBook = NULL;
3883 /* Do we have the ratings? */
3884 if (strcmp(player1Name, white) == 0 &&
3885 strcmp(player2Name, black) == 0) {
3886 if (appData.debugMode)
3887 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
3888 player1Rating, player2Rating);
3889 gameInfo.whiteRating = player1Rating;
3890 gameInfo.blackRating = player2Rating;
3891 } else if (strcmp(player2Name, white) == 0 &&
3892 strcmp(player1Name, black) == 0) {
3893 if (appData.debugMode)
3894 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
3895 player2Rating, player1Rating);
3896 gameInfo.whiteRating = player2Rating;
3897 gameInfo.blackRating = player1Rating;
3899 player1Name[0] = player2Name[0] = NULLCHAR;
3901 /* Silence shouts if requested */
3902 if (appData.quietPlay &&
3903 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
3904 SendToICS(ics_prefix);
3905 SendToICS("set shout 0\n");
3909 /* Deal with midgame name changes */
3911 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
3912 if (gameInfo.white) free(gameInfo.white);
3913 gameInfo.white = StrSave(white);
3915 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
3916 if (gameInfo.black) free(gameInfo.black);
3917 gameInfo.black = StrSave(black);
3921 /* Throw away game result if anything actually changes in examine mode */
3922 if (gameMode == IcsExamining && !newGame) {
3923 gameInfo.result = GameUnfinished;
3924 if (gameInfo.resultDetails != NULL) {
3925 free(gameInfo.resultDetails);
3926 gameInfo.resultDetails = NULL;
3930 /* In pausing && IcsExamining mode, we ignore boards coming
3931 in if they are in a different variation than we are. */
3932 if (pauseExamInvalid) return;
3933 if (pausing && gameMode == IcsExamining) {
3934 if (moveNum <= pauseExamForwardMostMove) {
3935 pauseExamInvalid = TRUE;
3936 forwardMostMove = pauseExamForwardMostMove;
3941 if (appData.debugMode) {
3942 fprintf(debugFP, "load %dx%d board\n", files, ranks);
3944 /* Parse the board */
3945 for (k = 0; k < ranks; k++) {
3946 for (j = 0; j < files; j++)
3947 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
3948 if(gameInfo.holdingsWidth > 1) {
3949 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
3950 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
3953 CopyBoard(boards[moveNum], board);
3954 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
3956 startedFromSetupPosition =
3957 !CompareBoards(board, initialPosition);
3958 if(startedFromSetupPosition)
3959 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
3962 /* [HGM] Set castling rights. Take the outermost Rooks,
3963 to make it also work for FRC opening positions. Note that board12
3964 is really defective for later FRC positions, as it has no way to
3965 indicate which Rook can castle if they are on the same side of King.
3966 For the initial position we grant rights to the outermost Rooks,
3967 and remember thos rights, and we then copy them on positions
3968 later in an FRC game. This means WB might not recognize castlings with
3969 Rooks that have moved back to their original position as illegal,
3970 but in ICS mode that is not its job anyway.
3972 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
3973 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
3975 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
3976 if(board[0][i] == WhiteRook) j = i;
3977 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
3978 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
3979 if(board[0][i] == WhiteRook) j = i;
3980 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
3981 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
3982 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
3983 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
3984 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
3985 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
3986 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
3988 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
3989 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
3990 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
3991 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
3992 if(board[BOARD_HEIGHT-1][k] == bKing)
3993 initialRights[5] = boards[moveNum][CASTLING][5] = k;
3994 if(gameInfo.variant == VariantTwoKings) {
3995 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
3996 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
3997 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4000 r = boards[moveNum][CASTLING][0] = initialRights[0];
4001 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4002 r = boards[moveNum][CASTLING][1] = initialRights[1];
4003 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4004 r = boards[moveNum][CASTLING][3] = initialRights[3];
4005 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4006 r = boards[moveNum][CASTLING][4] = initialRights[4];
4007 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4008 /* wildcastle kludge: always assume King has rights */
4009 r = boards[moveNum][CASTLING][2] = initialRights[2];
4010 r = boards[moveNum][CASTLING][5] = initialRights[5];
4012 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4013 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4016 if (ics_getting_history == H_GOT_REQ_HEADER ||
4017 ics_getting_history == H_GOT_UNREQ_HEADER) {
4018 /* This was an initial position from a move list, not
4019 the current position */
4023 /* Update currentMove and known move number limits */
4024 newMove = newGame || moveNum > forwardMostMove;
4027 forwardMostMove = backwardMostMove = currentMove = moveNum;
4028 if (gameMode == IcsExamining && moveNum == 0) {
4029 /* Workaround for ICS limitation: we are not told the wild
4030 type when starting to examine a game. But if we ask for
4031 the move list, the move list header will tell us */
4032 ics_getting_history = H_REQUESTED;
4033 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
4036 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4037 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4039 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4040 /* [HGM] applied this also to an engine that is silently watching */
4041 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4042 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4043 gameInfo.variant == currentlyInitializedVariant) {
4044 takeback = forwardMostMove - moveNum;
4045 for (i = 0; i < takeback; i++) {
4046 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4047 SendToProgram("undo\n", &first);
4052 forwardMostMove = moveNum;
4053 if (!pausing || currentMove > forwardMostMove)
4054 currentMove = forwardMostMove;
4056 /* New part of history that is not contiguous with old part */
4057 if (pausing && gameMode == IcsExamining) {
4058 pauseExamInvalid = TRUE;
4059 forwardMostMove = pauseExamForwardMostMove;
4062 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4064 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4065 // [HGM] when we will receive the move list we now request, it will be
4066 // fed to the engine from the first move on. So if the engine is not
4067 // in the initial position now, bring it there.
4068 InitChessProgram(&first, 0);
4071 ics_getting_history = H_REQUESTED;
4072 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
4075 forwardMostMove = backwardMostMove = currentMove = moveNum;
4078 /* Update the clocks */
4079 if (strchr(elapsed_time, '.')) {
4081 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4082 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4084 /* Time is in seconds */
4085 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4086 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4091 if (appData.zippyPlay && newGame &&
4092 gameMode != IcsObserving && gameMode != IcsIdle &&
4093 gameMode != IcsExamining)
4094 ZippyFirstBoard(moveNum, basetime, increment);
4097 /* Put the move on the move list, first converting
4098 to canonical algebraic form. */
4100 if (appData.debugMode) {
4101 if (appData.debugMode) { int f = forwardMostMove;
4102 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4103 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4104 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4106 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4107 fprintf(debugFP, "moveNum = %d\n", moveNum);
4108 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4109 setbuf(debugFP, NULL);
4111 if (moveNum <= backwardMostMove) {
4112 /* We don't know what the board looked like before
4114 strcpy(parseList[moveNum - 1], move_str);
4115 strcat(parseList[moveNum - 1], " ");
4116 strcat(parseList[moveNum - 1], elapsed_time);
4117 moveList[moveNum - 1][0] = NULLCHAR;
4118 } else if (strcmp(move_str, "none") == 0) {
4119 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4120 /* Again, we don't know what the board looked like;
4121 this is really the start of the game. */
4122 parseList[moveNum - 1][0] = NULLCHAR;
4123 moveList[moveNum - 1][0] = NULLCHAR;
4124 backwardMostMove = moveNum;
4125 startedFromSetupPosition = TRUE;
4126 fromX = fromY = toX = toY = -1;
4128 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4129 // So we parse the long-algebraic move string in stead of the SAN move
4130 int valid; char buf[MSG_SIZ], *prom;
4132 // str looks something like "Q/a1-a2"; kill the slash
4134 sprintf(buf, "%c%s", str[0], str+2);
4135 else strcpy(buf, str); // might be castling
4136 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4137 strcat(buf, prom); // long move lacks promo specification!
4138 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4139 if(appData.debugMode)
4140 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4141 strcpy(move_str, buf);
4143 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4144 &fromX, &fromY, &toX, &toY, &promoChar)
4145 || ParseOneMove(buf, moveNum - 1, &moveType,
4146 &fromX, &fromY, &toX, &toY, &promoChar);
4147 // end of long SAN patch
4149 (void) CoordsToAlgebraic(boards[moveNum - 1],
4150 PosFlags(moveNum - 1),
4151 fromY, fromX, toY, toX, promoChar,
4152 parseList[moveNum-1]);
4153 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4159 if(gameInfo.variant != VariantShogi)
4160 strcat(parseList[moveNum - 1], "+");
4163 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4164 strcat(parseList[moveNum - 1], "#");
4167 strcat(parseList[moveNum - 1], " ");
4168 strcat(parseList[moveNum - 1], elapsed_time);
4169 /* currentMoveString is set as a side-effect of ParseOneMove */
4170 strcpy(moveList[moveNum - 1], currentMoveString);
4171 strcat(moveList[moveNum - 1], "\n");
4173 /* Move from ICS was illegal!? Punt. */
4174 if (appData.debugMode) {
4175 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4176 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4178 strcpy(parseList[moveNum - 1], move_str);
4179 strcat(parseList[moveNum - 1], " ");
4180 strcat(parseList[moveNum - 1], elapsed_time);
4181 moveList[moveNum - 1][0] = NULLCHAR;
4182 fromX = fromY = toX = toY = -1;
4185 if (appData.debugMode) {
4186 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4187 setbuf(debugFP, NULL);
4191 /* Send move to chess program (BEFORE animating it). */
4192 if (appData.zippyPlay && !newGame && newMove &&
4193 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4195 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4196 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4197 if (moveList[moveNum - 1][0] == NULLCHAR) {
4198 sprintf(str, _("Couldn't parse move \"%s\" from ICS"),
4200 DisplayError(str, 0);
4202 if (first.sendTime) {
4203 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4205 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4206 if (firstMove && !bookHit) {
4208 if (first.useColors) {
4209 SendToProgram(gameMode == IcsPlayingWhite ?
4211 "black\ngo\n", &first);
4213 SendToProgram("go\n", &first);
4215 first.maybeThinking = TRUE;
4218 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4219 if (moveList[moveNum - 1][0] == NULLCHAR) {
4220 sprintf(str, _("Couldn't parse move \"%s\" from ICS"), move_str);
4221 DisplayError(str, 0);
4223 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4224 SendMoveToProgram(moveNum - 1, &first);
4231 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4232 /* If move comes from a remote source, animate it. If it
4233 isn't remote, it will have already been animated. */
4234 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4235 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4237 if (!pausing && appData.highlightLastMove) {
4238 SetHighlights(fromX, fromY, toX, toY);
4242 /* Start the clocks */
4243 whiteFlag = blackFlag = FALSE;
4244 appData.clockMode = !(basetime == 0 && increment == 0);
4246 ics_clock_paused = TRUE;
4248 } else if (ticking == 1) {
4249 ics_clock_paused = FALSE;
4251 if (gameMode == IcsIdle ||
4252 relation == RELATION_OBSERVING_STATIC ||
4253 relation == RELATION_EXAMINING ||
4255 DisplayBothClocks();
4259 /* Display opponents and material strengths */
4260 if (gameInfo.variant != VariantBughouse &&
4261 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4262 if (tinyLayout || smallLayout) {
4263 if(gameInfo.variant == VariantNormal)
4264 sprintf(str, "%s(%d) %s(%d) {%d %d}",
4265 gameInfo.white, white_stren, gameInfo.black, black_stren,
4266 basetime, increment);
4268 sprintf(str, "%s(%d) %s(%d) {%d %d w%d}",
4269 gameInfo.white, white_stren, gameInfo.black, black_stren,
4270 basetime, increment, (int) gameInfo.variant);
4272 if(gameInfo.variant == VariantNormal)
4273 sprintf(str, "%s (%d) vs. %s (%d) {%d %d}",
4274 gameInfo.white, white_stren, gameInfo.black, black_stren,
4275 basetime, increment);
4277 sprintf(str, "%s (%d) vs. %s (%d) {%d %d %s}",
4278 gameInfo.white, white_stren, gameInfo.black, black_stren,
4279 basetime, increment, VariantName(gameInfo.variant));
4282 if (appData.debugMode) {
4283 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4288 /* Display the board */
4289 if (!pausing && !appData.noGUI) {
4291 if (appData.premove)
4293 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4294 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4295 ClearPremoveHighlights();
4297 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4298 DrawPosition(j, boards[currentMove]);
4300 DisplayMove(moveNum - 1);
4301 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4302 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4303 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4304 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4308 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4310 if(bookHit) { // [HGM] book: simulate book reply
4311 static char bookMove[MSG_SIZ]; // a bit generous?
4313 programStats.nodes = programStats.depth = programStats.time =
4314 programStats.score = programStats.got_only_move = 0;
4315 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4317 strcpy(bookMove, "move ");
4318 strcat(bookMove, bookHit);
4319 HandleMachineMove(bookMove, &first);
4328 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4329 ics_getting_history = H_REQUESTED;
4330 sprintf(buf, "%smoves %d\n", ics_prefix, ics_gamenum);
4336 AnalysisPeriodicEvent(force)
4339 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4340 && !force) || !appData.periodicUpdates)
4343 /* Send . command to Crafty to collect stats */
4344 SendToProgram(".\n", &first);
4346 /* Don't send another until we get a response (this makes
4347 us stop sending to old Crafty's which don't understand
4348 the "." command (sending illegal cmds resets node count & time,
4349 which looks bad)) */
4350 programStats.ok_to_send = 0;
4353 void ics_update_width(new_width)
4356 ics_printf("set width %d\n", new_width);
4360 SendMoveToProgram(moveNum, cps)
4362 ChessProgramState *cps;
4366 if (cps->useUsermove) {
4367 SendToProgram("usermove ", cps);
4371 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4372 int len = space - parseList[moveNum];
4373 memcpy(buf, parseList[moveNum], len);
4375 buf[len] = NULLCHAR;
4377 sprintf(buf, "%s\n", parseList[moveNum]);
4379 SendToProgram(buf, cps);
4381 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4382 AlphaRank(moveList[moveNum], 4);
4383 SendToProgram(moveList[moveNum], cps);
4384 AlphaRank(moveList[moveNum], 4); // and back
4386 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4387 * the engine. It would be nice to have a better way to identify castle
4389 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4390 && cps->useOOCastle) {
4391 int fromX = moveList[moveNum][0] - AAA;
4392 int fromY = moveList[moveNum][1] - ONE;
4393 int toX = moveList[moveNum][2] - AAA;
4394 int toY = moveList[moveNum][3] - ONE;
4395 if((boards[moveNum][fromY][fromX] == WhiteKing
4396 && boards[moveNum][toY][toX] == WhiteRook)
4397 || (boards[moveNum][fromY][fromX] == BlackKing
4398 && boards[moveNum][toY][toX] == BlackRook)) {
4399 if(toX > fromX) SendToProgram("O-O\n", cps);
4400 else SendToProgram("O-O-O\n", cps);
4402 else SendToProgram(moveList[moveNum], cps);
4404 else SendToProgram(moveList[moveNum], cps);
4405 /* End of additions by Tord */
4408 /* [HGM] setting up the opening has brought engine in force mode! */
4409 /* Send 'go' if we are in a mode where machine should play. */
4410 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4411 (gameMode == TwoMachinesPlay ||
4413 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4415 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4416 SendToProgram("go\n", cps);
4417 if (appData.debugMode) {
4418 fprintf(debugFP, "(extra)\n");
4421 setboardSpoiledMachineBlack = 0;
4425 SendMoveToICS(moveType, fromX, fromY, toX, toY)
4427 int fromX, fromY, toX, toY;
4429 char user_move[MSG_SIZ];
4433 sprintf(user_move, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4434 (int)moveType, fromX, fromY, toX, toY);
4435 DisplayError(user_move + strlen("say "), 0);
4437 case WhiteKingSideCastle:
4438 case BlackKingSideCastle:
4439 case WhiteQueenSideCastleWild:
4440 case BlackQueenSideCastleWild:
4442 case WhiteHSideCastleFR:
4443 case BlackHSideCastleFR:
4445 sprintf(user_move, "o-o\n");
4447 case WhiteQueenSideCastle:
4448 case BlackQueenSideCastle:
4449 case WhiteKingSideCastleWild:
4450 case BlackKingSideCastleWild:
4452 case WhiteASideCastleFR:
4453 case BlackASideCastleFR:
4455 sprintf(user_move, "o-o-o\n");
4457 case WhitePromotionQueen:
4458 case BlackPromotionQueen:
4459 case WhitePromotionRook:
4460 case BlackPromotionRook:
4461 case WhitePromotionBishop:
4462 case BlackPromotionBishop:
4463 case WhitePromotionKnight:
4464 case BlackPromotionKnight:
4465 case WhitePromotionKing:
4466 case BlackPromotionKing:
4467 case WhitePromotionChancellor:
4468 case BlackPromotionChancellor:
4469 case WhitePromotionArchbishop:
4470 case BlackPromotionArchbishop:
4471 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4472 sprintf(user_move, "%c%c%c%c=%c\n",
4473 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4474 PieceToChar(WhiteFerz));
4475 else if(gameInfo.variant == VariantGreat)
4476 sprintf(user_move, "%c%c%c%c=%c\n",
4477 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4478 PieceToChar(WhiteMan));
4480 sprintf(user_move, "%c%c%c%c=%c\n",
4481 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4482 PieceToChar(PromoPiece(moveType)));
4486 sprintf(user_move, "%c@%c%c\n",
4487 ToUpper(PieceToChar((ChessSquare) fromX)),
4488 AAA + toX, ONE + toY);
4491 case WhiteCapturesEnPassant:
4492 case BlackCapturesEnPassant:
4493 case IllegalMove: /* could be a variant we don't quite understand */
4494 sprintf(user_move, "%c%c%c%c\n",
4495 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4498 SendToICS(user_move);
4499 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
4500 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
4504 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
4509 if (rf == DROP_RANK) {
4510 sprintf(move, "%c@%c%c\n",
4511 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
4513 if (promoChar == 'x' || promoChar == NULLCHAR) {
4514 sprintf(move, "%c%c%c%c\n",
4515 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
4517 sprintf(move, "%c%c%c%c%c\n",
4518 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
4524 ProcessICSInitScript(f)
4529 while (fgets(buf, MSG_SIZ, f)) {
4530 SendToICSDelayed(buf,(long)appData.msLoginDelay);
4537 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
4539 AlphaRank(char *move, int n)
4541 // char *p = move, c; int x, y;
4543 if (appData.debugMode) {
4544 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
4548 move[2]>='0' && move[2]<='9' &&
4549 move[3]>='a' && move[3]<='x' ) {
4551 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4552 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4554 if(move[0]>='0' && move[0]<='9' &&
4555 move[1]>='a' && move[1]<='x' &&
4556 move[2]>='0' && move[2]<='9' &&
4557 move[3]>='a' && move[3]<='x' ) {
4558 /* input move, Shogi -> normal */
4559 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
4560 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
4561 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4562 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4565 move[3]>='0' && move[3]<='9' &&
4566 move[2]>='a' && move[2]<='x' ) {
4568 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4569 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4572 move[0]>='a' && move[0]<='x' &&
4573 move[3]>='0' && move[3]<='9' &&
4574 move[2]>='a' && move[2]<='x' ) {
4575 /* output move, normal -> Shogi */
4576 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
4577 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
4578 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4579 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4580 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
4582 if (appData.debugMode) {
4583 fprintf(debugFP, " out = '%s'\n", move);
4587 /* Parser for moves from gnuchess, ICS, or user typein box */
4589 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
4592 ChessMove *moveType;
4593 int *fromX, *fromY, *toX, *toY;
4596 if (appData.debugMode) {
4597 fprintf(debugFP, "move to parse: %s\n", move);
4599 *moveType = yylexstr(moveNum, move);
4601 switch (*moveType) {
4602 case WhitePromotionChancellor:
4603 case BlackPromotionChancellor:
4604 case WhitePromotionArchbishop:
4605 case BlackPromotionArchbishop:
4606 case WhitePromotionQueen:
4607 case BlackPromotionQueen:
4608 case WhitePromotionRook:
4609 case BlackPromotionRook:
4610 case WhitePromotionBishop:
4611 case BlackPromotionBishop:
4612 case WhitePromotionKnight:
4613 case BlackPromotionKnight:
4614 case WhitePromotionKing:
4615 case BlackPromotionKing:
4617 case WhiteCapturesEnPassant:
4618 case BlackCapturesEnPassant:
4619 case WhiteKingSideCastle:
4620 case WhiteQueenSideCastle:
4621 case BlackKingSideCastle:
4622 case BlackQueenSideCastle:
4623 case WhiteKingSideCastleWild:
4624 case WhiteQueenSideCastleWild:
4625 case BlackKingSideCastleWild:
4626 case BlackQueenSideCastleWild:
4627 /* Code added by Tord: */
4628 case WhiteHSideCastleFR:
4629 case WhiteASideCastleFR:
4630 case BlackHSideCastleFR:
4631 case BlackASideCastleFR:
4632 /* End of code added by Tord */
4633 case IllegalMove: /* bug or odd chess variant */
4634 *fromX = currentMoveString[0] - AAA;
4635 *fromY = currentMoveString[1] - ONE;
4636 *toX = currentMoveString[2] - AAA;
4637 *toY = currentMoveString[3] - ONE;
4638 *promoChar = currentMoveString[4];
4639 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
4640 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
4641 if (appData.debugMode) {
4642 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
4644 *fromX = *fromY = *toX = *toY = 0;
4647 if (appData.testLegality) {
4648 return (*moveType != IllegalMove);
4650 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
4651 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
4656 *fromX = *moveType == WhiteDrop ?
4657 (int) CharToPiece(ToUpper(currentMoveString[0])) :
4658 (int) CharToPiece(ToLower(currentMoveString[0]));
4660 *toX = currentMoveString[2] - AAA;
4661 *toY = currentMoveString[3] - ONE;
4662 *promoChar = NULLCHAR;
4666 case ImpossibleMove:
4667 case (ChessMove) 0: /* end of file */
4676 if (appData.debugMode) {
4677 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
4680 *fromX = *fromY = *toX = *toY = 0;
4681 *promoChar = NULLCHAR;
4689 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
4690 int fromX, fromY, toX, toY; char promoChar;
4695 endPV = forwardMostMove;
4697 while(*pv == ' ') pv++;
4698 if(*pv == '(') pv++; // first (ponder) move can be in parentheses
4699 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
4700 if(appData.debugMode){
4701 fprintf(debugFP,"parsePV: %d %c%c%c%c '%s'\n", valid, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, pv);
4703 if(!valid && nr == 0 &&
4704 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
4705 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
4707 while(*pv && *pv++ != ' '); // skip what we parsed; assume space separators
4708 if(moveType == Comment) { valid++; continue; } // allow comments in PV
4710 if(endPV+1 > framePtr) break; // no space, truncate
4713 CopyBoard(boards[endPV], boards[endPV-1]);
4714 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
4715 moveList[endPV-1][0] = fromX + AAA;
4716 moveList[endPV-1][1] = fromY + ONE;
4717 moveList[endPV-1][2] = toX + AAA;
4718 moveList[endPV-1][3] = toY + ONE;
4719 parseList[endPV-1][0] = NULLCHAR;
4721 currentMove = endPV;
4722 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
4723 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
4724 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
4725 DrawPosition(TRUE, boards[currentMove]);
4728 static int lastX, lastY;
4731 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
4735 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
4736 lastX = x; lastY = y;
4737 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
4739 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
4741 while(buf[index] && buf[index] != '\n') index++;
4743 ParsePV(buf+startPV);
4744 *start = startPV; *end = index-1;
4749 LoadPV(int x, int y)
4750 { // called on right mouse click to load PV
4751 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
4752 lastX = x; lastY = y;
4753 ParsePV(lastPV[which]); // load the PV of the thinking engine in the boards array.
4760 if(endPV < 0) return;
4762 currentMove = forwardMostMove;
4763 ClearPremoveHighlights();
4764 DrawPosition(TRUE, boards[currentMove]);
4768 MovePV(int x, int y, int h)
4769 { // step through PV based on mouse coordinates (called on mouse move)
4770 int margin = h>>3, step = 0;
4772 if(endPV < 0) return;
4773 // we must somehow check if right button is still down (might be released off board!)
4774 if(y < margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = 1; else
4775 if(y > h - margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = -1; else
4776 if( y > lastY + 6 ) step = -1; else if(y < lastY - 6) step = 1;
4778 lastX = x; lastY = y;
4779 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
4780 currentMove += step;
4781 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
4782 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
4783 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
4784 DrawPosition(FALSE, boards[currentMove]);
4788 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
4789 // All positions will have equal probability, but the current method will not provide a unique
4790 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
4796 int piecesLeft[(int)BlackPawn];
4797 int seed, nrOfShuffles;
4799 void GetPositionNumber()
4800 { // sets global variable seed
4803 seed = appData.defaultFrcPosition;
4804 if(seed < 0) { // randomize based on time for negative FRC position numbers
4805 for(i=0; i<50; i++) seed += random();
4806 seed = random() ^ random() >> 8 ^ random() << 8;
4807 if(seed<0) seed = -seed;
4811 int put(Board board, int pieceType, int rank, int n, int shade)
4812 // put the piece on the (n-1)-th empty squares of the given shade
4816 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
4817 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
4818 board[rank][i] = (ChessSquare) pieceType;
4819 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
4821 piecesLeft[pieceType]--;
4829 void AddOnePiece(Board board, int pieceType, int rank, int shade)
4830 // calculate where the next piece goes, (any empty square), and put it there
4834 i = seed % squaresLeft[shade];
4835 nrOfShuffles *= squaresLeft[shade];
4836 seed /= squaresLeft[shade];
4837 put(board, pieceType, rank, i, shade);
4840 void AddTwoPieces(Board board, int pieceType, int rank)
4841 // calculate where the next 2 identical pieces go, (any empty square), and put it there
4843 int i, n=squaresLeft[ANY], j=n-1, k;
4845 k = n*(n-1)/2; // nr of possibilities, not counting permutations
4846 i = seed % k; // pick one
4849 while(i >= j) i -= j--;
4850 j = n - 1 - j; i += j;
4851 put(board, pieceType, rank, j, ANY);
4852 put(board, pieceType, rank, i, ANY);
4855 void SetUpShuffle(Board board, int number)
4859 GetPositionNumber(); nrOfShuffles = 1;
4861 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
4862 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
4863 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
4865 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
4867 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
4868 p = (int) board[0][i];
4869 if(p < (int) BlackPawn) piecesLeft[p] ++;
4870 board[0][i] = EmptySquare;
4873 if(PosFlags(0) & F_ALL_CASTLE_OK) {
4874 // shuffles restricted to allow normal castling put KRR first
4875 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
4876 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
4877 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
4878 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
4879 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
4880 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
4881 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
4882 put(board, WhiteRook, 0, 0, ANY);
4883 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
4886 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
4887 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
4888 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
4889 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
4890 while(piecesLeft[p] >= 2) {
4891 AddOnePiece(board, p, 0, LITE);
4892 AddOnePiece(board, p, 0, DARK);
4894 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
4897 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
4898 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
4899 // but we leave King and Rooks for last, to possibly obey FRC restriction
4900 if(p == (int)WhiteRook) continue;
4901 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
4902 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
4905 // now everything is placed, except perhaps King (Unicorn) and Rooks
4907 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
4908 // Last King gets castling rights
4909 while(piecesLeft[(int)WhiteUnicorn]) {
4910 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
4911 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
4914 while(piecesLeft[(int)WhiteKing]) {
4915 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
4916 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
4921 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
4922 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
4925 // Only Rooks can be left; simply place them all
4926 while(piecesLeft[(int)WhiteRook]) {
4927 i = put(board, WhiteRook, 0, 0, ANY);
4928 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
4931 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
4933 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
4936 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
4937 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
4940 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
4943 int SetCharTable( char *table, const char * map )
4944 /* [HGM] moved here from winboard.c because of its general usefulness */
4945 /* Basically a safe strcpy that uses the last character as King */
4947 int result = FALSE; int NrPieces;
4949 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
4950 && NrPieces >= 12 && !(NrPieces&1)) {
4951 int i; /* [HGM] Accept even length from 12 to 34 */
4953 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
4954 for( i=0; i<NrPieces/2-1; i++ ) {
4956 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
4958 table[(int) WhiteKing] = map[NrPieces/2-1];
4959 table[(int) BlackKing] = map[NrPieces-1];
4967 void Prelude(Board board)
4968 { // [HGM] superchess: random selection of exo-pieces
4969 int i, j, k; ChessSquare p;
4970 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
4972 GetPositionNumber(); // use FRC position number
4974 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
4975 SetCharTable(pieceToChar, appData.pieceToCharTable);
4976 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
4977 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
4980 j = seed%4; seed /= 4;
4981 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
4982 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
4983 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
4984 j = seed%3 + (seed%3 >= j); seed /= 3;
4985 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
4986 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
4987 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
4988 j = seed%3; seed /= 3;
4989 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
4990 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
4991 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
4992 j = seed%2 + (seed%2 >= j); seed /= 2;
4993 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
4994 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
4995 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
4996 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
4997 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
4998 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
4999 put(board, exoPieces[0], 0, 0, ANY);
5000 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5004 InitPosition(redraw)
5007 ChessSquare (* pieces)[BOARD_FILES];
5008 int i, j, pawnRow, overrule,
5009 oldx = gameInfo.boardWidth,
5010 oldy = gameInfo.boardHeight,
5011 oldh = gameInfo.holdingsWidth,
5012 oldv = gameInfo.variant;
5014 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5016 /* [AS] Initialize pv info list [HGM] and game status */
5018 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5019 pvInfoList[i].depth = 0;
5020 boards[i][EP_STATUS] = EP_NONE;
5021 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5024 initialRulePlies = 0; /* 50-move counter start */
5026 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5027 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5031 /* [HGM] logic here is completely changed. In stead of full positions */
5032 /* the initialized data only consist of the two backranks. The switch */
5033 /* selects which one we will use, which is than copied to the Board */
5034 /* initialPosition, which for the rest is initialized by Pawns and */
5035 /* empty squares. This initial position is then copied to boards[0], */
5036 /* possibly after shuffling, so that it remains available. */
5038 gameInfo.holdingsWidth = 0; /* default board sizes */
5039 gameInfo.boardWidth = 8;
5040 gameInfo.boardHeight = 8;
5041 gameInfo.holdingsSize = 0;
5042 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5043 for(i=0; i<BOARD_FILES-2; i++)
5044 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5045 initialPosition[EP_STATUS] = EP_NONE;
5046 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5048 switch (gameInfo.variant) {
5049 case VariantFischeRandom:
5050 shuffleOpenings = TRUE;
5054 case VariantShatranj:
5055 pieces = ShatranjArray;
5056 nrCastlingRights = 0;
5057 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5060 pieces = makrukArray;
5061 nrCastlingRights = 0;
5062 startedFromSetupPosition = TRUE;
5063 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5065 case VariantTwoKings:
5066 pieces = twoKingsArray;
5068 case VariantCapaRandom:
5069 shuffleOpenings = TRUE;
5070 case VariantCapablanca:
5071 pieces = CapablancaArray;
5072 gameInfo.boardWidth = 10;
5073 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5076 pieces = GothicArray;
5077 gameInfo.boardWidth = 10;
5078 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5081 pieces = JanusArray;
5082 gameInfo.boardWidth = 10;
5083 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5084 nrCastlingRights = 6;
5085 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5086 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5087 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5088 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5089 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5090 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5093 pieces = FalconArray;
5094 gameInfo.boardWidth = 10;
5095 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5097 case VariantXiangqi:
5098 pieces = XiangqiArray;
5099 gameInfo.boardWidth = 9;
5100 gameInfo.boardHeight = 10;
5101 nrCastlingRights = 0;
5102 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5105 pieces = ShogiArray;
5106 gameInfo.boardWidth = 9;
5107 gameInfo.boardHeight = 9;
5108 gameInfo.holdingsSize = 7;
5109 nrCastlingRights = 0;
5110 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5112 case VariantCourier:
5113 pieces = CourierArray;
5114 gameInfo.boardWidth = 12;
5115 nrCastlingRights = 0;
5116 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5118 case VariantKnightmate:
5119 pieces = KnightmateArray;
5120 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5123 pieces = fairyArray;
5124 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5127 pieces = GreatArray;
5128 gameInfo.boardWidth = 10;
5129 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5130 gameInfo.holdingsSize = 8;
5134 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5135 gameInfo.holdingsSize = 8;
5136 startedFromSetupPosition = TRUE;
5138 case VariantCrazyhouse:
5139 case VariantBughouse:
5141 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5142 gameInfo.holdingsSize = 5;
5144 case VariantWildCastle:
5146 /* !!?shuffle with kings guaranteed to be on d or e file */
5147 shuffleOpenings = 1;
5149 case VariantNoCastle:
5151 nrCastlingRights = 0;
5152 /* !!?unconstrained back-rank shuffle */
5153 shuffleOpenings = 1;
5158 if(appData.NrFiles >= 0) {
5159 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5160 gameInfo.boardWidth = appData.NrFiles;
5162 if(appData.NrRanks >= 0) {
5163 gameInfo.boardHeight = appData.NrRanks;
5165 if(appData.holdingsSize >= 0) {
5166 i = appData.holdingsSize;
5167 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5168 gameInfo.holdingsSize = i;
5170 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5171 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5172 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5174 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5175 if(pawnRow < 1) pawnRow = 1;
5176 if(gameInfo.variant == VariantMakruk) pawnRow = 2;
5178 /* User pieceToChar list overrules defaults */
5179 if(appData.pieceToCharTable != NULL)
5180 SetCharTable(pieceToChar, appData.pieceToCharTable);
5182 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5184 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5185 s = (ChessSquare) 0; /* account holding counts in guard band */
5186 for( i=0; i<BOARD_HEIGHT; i++ )
5187 initialPosition[i][j] = s;
5189 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5190 initialPosition[0][j] = pieces[0][j-gameInfo.holdingsWidth];
5191 initialPosition[pawnRow][j] = WhitePawn;
5192 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = BlackPawn;
5193 if(gameInfo.variant == VariantXiangqi) {
5195 initialPosition[pawnRow][j] =
5196 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5197 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5198 initialPosition[2][j] = WhiteCannon;
5199 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5203 initialPosition[BOARD_HEIGHT-1][j] = pieces[1][j-gameInfo.holdingsWidth];
5205 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5208 initialPosition[1][j] = WhiteBishop;
5209 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5211 initialPosition[1][j] = WhiteRook;
5212 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5215 if( nrCastlingRights == -1) {
5216 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5217 /* This sets default castling rights from none to normal corners */
5218 /* Variants with other castling rights must set them themselves above */
5219 nrCastlingRights = 6;
5221 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5222 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5223 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5224 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5225 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5226 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5229 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5230 if(gameInfo.variant == VariantGreat) { // promotion commoners
5231 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5232 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5233 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5234 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5236 if (appData.debugMode) {
5237 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5239 if(shuffleOpenings) {
5240 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5241 startedFromSetupPosition = TRUE;
5243 if(startedFromPositionFile) {
5244 /* [HGM] loadPos: use PositionFile for every new game */
5245 CopyBoard(initialPosition, filePosition);
5246 for(i=0; i<nrCastlingRights; i++)
5247 initialRights[i] = filePosition[CASTLING][i];
5248 startedFromSetupPosition = TRUE;
5251 CopyBoard(boards[0], initialPosition);
5253 if(oldx != gameInfo.boardWidth ||
5254 oldy != gameInfo.boardHeight ||
5255 oldh != gameInfo.holdingsWidth
5257 || oldv == VariantGothic || // For licensing popups
5258 gameInfo.variant == VariantGothic
5261 || oldv == VariantFalcon ||
5262 gameInfo.variant == VariantFalcon
5265 InitDrawingSizes(-2 ,0);
5268 DrawPosition(TRUE, boards[currentMove]);
5272 SendBoard(cps, moveNum)
5273 ChessProgramState *cps;
5276 char message[MSG_SIZ];
5278 if (cps->useSetboard) {
5279 char* fen = PositionToFEN(moveNum, cps->fenOverride);
5280 sprintf(message, "setboard %s\n", fen);
5281 SendToProgram(message, cps);
5287 /* Kludge to set black to move, avoiding the troublesome and now
5288 * deprecated "black" command.
5290 if (!WhiteOnMove(moveNum)) SendToProgram("a2a3\n", cps);
5292 SendToProgram("edit\n", cps);
5293 SendToProgram("#\n", cps);
5294 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5295 bp = &boards[moveNum][i][BOARD_LEFT];
5296 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5297 if ((int) *bp < (int) BlackPawn) {
5298 sprintf(message, "%c%c%c\n", PieceToChar(*bp),
5300 if(message[0] == '+' || message[0] == '~') {
5301 sprintf(message, "%c%c%c+\n",
5302 PieceToChar((ChessSquare)(DEMOTED *bp)),
5305 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5306 message[1] = BOARD_RGHT - 1 - j + '1';
5307 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5309 SendToProgram(message, cps);
5314 SendToProgram("c\n", cps);
5315 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5316 bp = &boards[moveNum][i][BOARD_LEFT];
5317 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5318 if (((int) *bp != (int) EmptySquare)
5319 && ((int) *bp >= (int) BlackPawn)) {
5320 sprintf(message, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
5322 if(message[0] == '+' || message[0] == '~') {
5323 sprintf(message, "%c%c%c+\n",
5324 PieceToChar((ChessSquare)(DEMOTED *bp)),
5327 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5328 message[1] = BOARD_RGHT - 1 - j + '1';
5329 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5331 SendToProgram(message, cps);
5336 SendToProgram(".\n", cps);
5338 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
5342 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice)
5344 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
5345 /* [HGM] add Shogi promotions */
5346 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
5351 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
5352 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
5354 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
5355 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
5358 piece = boards[currentMove][fromY][fromX];
5359 if(gameInfo.variant == VariantShogi) {
5360 promotionZoneSize = 3;
5361 highestPromotingPiece = (int)WhiteFerz;
5362 } else if(gameInfo.variant == VariantMakruk) {
5363 promotionZoneSize = 3;
5366 // next weed out all moves that do not touch the promotion zone at all
5367 if((int)piece >= BlackPawn) {
5368 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
5370 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
5372 if( toY < BOARD_HEIGHT - promotionZoneSize &&
5373 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
5376 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
5378 // weed out mandatory Shogi promotions
5379 if(gameInfo.variant == VariantShogi) {
5380 if(piece >= BlackPawn) {
5381 if(toY == 0 && piece == BlackPawn ||
5382 toY == 0 && piece == BlackQueen ||
5383 toY <= 1 && piece == BlackKnight) {
5388 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
5389 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
5390 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
5397 // weed out obviously illegal Pawn moves
5398 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
5399 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
5400 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
5401 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
5402 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
5403 // note we are not allowed to test for valid (non-)capture, due to premove
5406 // we either have a choice what to promote to, or (in Shogi) whether to promote
5407 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
5408 *promoChoice = PieceToChar(BlackFerz); // no choice
5411 if(appData.alwaysPromoteToQueen) { // predetermined
5412 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantLosers)
5413 *promoChoice = PieceToChar(BlackKing); // in Suicide Q is the last thing we want
5414 else *promoChoice = PieceToChar(BlackQueen);
5418 // suppress promotion popup on illegal moves that are not premoves
5419 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
5420 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
5421 if(appData.testLegality && !premove) {
5422 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5423 fromY, fromX, toY, toX, NULLCHAR);
5424 if(moveType != WhitePromotionQueen && moveType != BlackPromotionQueen &&
5425 moveType != WhitePromotionKnight && moveType != BlackPromotionKnight)
5433 InPalace(row, column)
5435 { /* [HGM] for Xiangqi */
5436 if( (row < 3 || row > BOARD_HEIGHT-4) &&
5437 column < (BOARD_WIDTH + 4)/2 &&
5438 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
5443 PieceForSquare (x, y)
5447 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
5450 return boards[currentMove][y][x];
5454 OKToStartUserMove(x, y)
5457 ChessSquare from_piece;
5460 if (matchMode) return FALSE;
5461 if (gameMode == EditPosition) return TRUE;
5463 if (x >= 0 && y >= 0)
5464 from_piece = boards[currentMove][y][x];
5466 from_piece = EmptySquare;
5468 if (from_piece == EmptySquare) return FALSE;
5470 white_piece = (int)from_piece >= (int)WhitePawn &&
5471 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
5474 case PlayFromGameFile:
5476 case TwoMachinesPlay:
5484 case MachinePlaysWhite:
5485 case IcsPlayingBlack:
5486 if (appData.zippyPlay) return FALSE;
5488 DisplayMoveError(_("You are playing Black"));
5493 case MachinePlaysBlack:
5494 case IcsPlayingWhite:
5495 if (appData.zippyPlay) return FALSE;
5497 DisplayMoveError(_("You are playing White"));
5503 if (!white_piece && WhiteOnMove(currentMove)) {
5504 DisplayMoveError(_("It is White's turn"));
5507 if (white_piece && !WhiteOnMove(currentMove)) {
5508 DisplayMoveError(_("It is Black's turn"));
5511 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
5512 /* Editing correspondence game history */
5513 /* Could disallow this or prompt for confirmation */
5518 case BeginningOfGame:
5519 if (appData.icsActive) return FALSE;
5520 if (!appData.noChessProgram) {
5522 DisplayMoveError(_("You are playing White"));
5529 if (!white_piece && WhiteOnMove(currentMove)) {
5530 DisplayMoveError(_("It is White's turn"));
5533 if (white_piece && !WhiteOnMove(currentMove)) {
5534 DisplayMoveError(_("It is Black's turn"));
5543 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
5544 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
5545 && gameMode != AnalyzeFile && gameMode != Training) {
5546 DisplayMoveError(_("Displayed position is not current"));
5553 OnlyMove(int *x, int *y) {
5554 DisambiguateClosure cl;
5555 if (appData.zippyPlay) return FALSE;
5557 case MachinePlaysBlack:
5558 case IcsPlayingWhite:
5559 case BeginningOfGame:
5560 if(!WhiteOnMove(currentMove)) return FALSE;
5562 case MachinePlaysWhite:
5563 case IcsPlayingBlack:
5564 if(WhiteOnMove(currentMove)) return FALSE;
5569 cl.pieceIn = EmptySquare;
5574 cl.promoCharIn = NULLCHAR;
5575 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5576 if(cl.kind == NormalMove) {
5583 if(cl.kind != ImpossibleMove) return FALSE;
5584 cl.pieceIn = EmptySquare;
5589 cl.promoCharIn = NULLCHAR;
5590 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5591 if(cl.kind == NormalMove) {
5601 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
5602 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
5603 int lastLoadGameUseList = FALSE;
5604 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
5605 ChessMove lastLoadGameStart = (ChessMove) 0;
5608 UserMoveTest(fromX, fromY, toX, toY, promoChar, captureOwn)
5609 int fromX, fromY, toX, toY;
5614 ChessSquare pdown, pup;
5616 /* Check if the user is playing in turn. This is complicated because we
5617 let the user "pick up" a piece before it is his turn. So the piece he
5618 tried to pick up may have been captured by the time he puts it down!
5619 Therefore we use the color the user is supposed to be playing in this
5620 test, not the color of the piece that is currently on the starting
5621 square---except in EditGame mode, where the user is playing both
5622 sides; fortunately there the capture race can't happen. (It can
5623 now happen in IcsExamining mode, but that's just too bad. The user
5624 will get a somewhat confusing message in that case.)
5628 case PlayFromGameFile:
5630 case TwoMachinesPlay:
5634 /* We switched into a game mode where moves are not accepted,
5635 perhaps while the mouse button was down. */
5636 return ImpossibleMove;
5638 case MachinePlaysWhite:
5639 /* User is moving for Black */
5640 if (WhiteOnMove(currentMove)) {
5641 DisplayMoveError(_("It is White's turn"));
5642 return ImpossibleMove;
5646 case MachinePlaysBlack:
5647 /* User is moving for White */
5648 if (!WhiteOnMove(currentMove)) {
5649 DisplayMoveError(_("It is Black's turn"));
5650 return ImpossibleMove;
5656 case BeginningOfGame:
5659 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
5660 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
5661 /* User is moving for Black */
5662 if (WhiteOnMove(currentMove)) {
5663 DisplayMoveError(_("It is White's turn"));
5664 return ImpossibleMove;
5667 /* User is moving for White */
5668 if (!WhiteOnMove(currentMove)) {
5669 DisplayMoveError(_("It is Black's turn"));
5670 return ImpossibleMove;
5675 case IcsPlayingBlack:
5676 /* User is moving for Black */
5677 if (WhiteOnMove(currentMove)) {
5678 if (!appData.premove) {
5679 DisplayMoveError(_("It is White's turn"));
5680 } else if (toX >= 0 && toY >= 0) {
5683 premoveFromX = fromX;
5684 premoveFromY = fromY;
5685 premovePromoChar = promoChar;
5687 if (appData.debugMode)
5688 fprintf(debugFP, "Got premove: fromX %d,"
5689 "fromY %d, toX %d, toY %d\n",
5690 fromX, fromY, toX, toY);
5692 return ImpossibleMove;
5696 case IcsPlayingWhite:
5697 /* User is moving for White */
5698 if (!WhiteOnMove(currentMove)) {
5699 if (!appData.premove) {
5700 DisplayMoveError(_("It is Black's turn"));
5701 } else if (toX >= 0 && toY >= 0) {
5704 premoveFromX = fromX;
5705 premoveFromY = fromY;
5706 premovePromoChar = promoChar;
5708 if (appData.debugMode)
5709 fprintf(debugFP, "Got premove: fromX %d,"
5710 "fromY %d, toX %d, toY %d\n",
5711 fromX, fromY, toX, toY);
5713 return ImpossibleMove;
5721 /* EditPosition, empty square, or different color piece;
5722 click-click move is possible */
5723 if (toX == -2 || toY == -2) {
5724 boards[0][fromY][fromX] = EmptySquare;
5725 return AmbiguousMove;
5726 } else if (toX >= 0 && toY >= 0) {
5727 boards[0][toY][toX] = boards[0][fromY][fromX];
5728 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
5729 if(boards[0][fromY][0] != EmptySquare) {
5730 if(boards[0][fromY][1]) boards[0][fromY][1]--;
5731 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
5734 if(fromX == BOARD_RGHT+1) {
5735 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
5736 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
5737 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
5740 boards[0][fromY][fromX] = EmptySquare;
5741 return AmbiguousMove;
5743 return ImpossibleMove;
5746 if(toX < 0 || toY < 0) return ImpossibleMove;
5747 pdown = boards[currentMove][fromY][fromX];
5748 pup = boards[currentMove][toY][toX];
5750 /* [HGM] If move started in holdings, it means a drop */
5751 if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) {
5752 if( pup != EmptySquare ) return ImpossibleMove;
5753 if(appData.testLegality) {
5754 /* it would be more logical if LegalityTest() also figured out
5755 * which drops are legal. For now we forbid pawns on back rank.
5756 * Shogi is on its own here...
5758 if( (pdown == WhitePawn || pdown == BlackPawn) &&
5759 (toY == 0 || toY == BOARD_HEIGHT -1 ) )
5760 return(ImpossibleMove); /* no pawn drops on 1st/8th */
5762 return WhiteDrop; /* Not needed to specify white or black yet */
5765 /* [HGM] always test for legality, to get promotion info */
5766 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5767 fromY, fromX, toY, toX, promoChar);
5768 /* [HGM] but possibly ignore an IllegalMove result */
5769 if (appData.testLegality) {
5770 if (moveType == IllegalMove || moveType == ImpossibleMove) {
5771 DisplayMoveError(_("Illegal move"));
5772 return ImpossibleMove;
5777 /* [HGM] <popupFix> in stead of calling FinishMove directly, this
5778 function is made into one that returns an OK move type if FinishMove
5779 should be called. This to give the calling driver routine the
5780 opportunity to finish the userMove input with a promotion popup,
5781 without bothering the user with this for invalid or illegal moves */
5783 /* FinishMove(moveType, fromX, fromY, toX, toY, promoChar); */
5786 /* Common tail of UserMoveEvent and DropMenuEvent */
5788 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
5790 int fromX, fromY, toX, toY;
5791 /*char*/int promoChar;
5795 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR) {
5796 // [HGM] superchess: suppress promotions to non-available piece
5797 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
5798 if(WhiteOnMove(currentMove)) {
5799 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
5801 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
5805 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
5806 move type in caller when we know the move is a legal promotion */
5807 if(moveType == NormalMove && promoChar)
5808 moveType = PromoCharToMoveType(WhiteOnMove(currentMove), promoChar);
5810 /* [HGM] convert drag-and-drop piece drops to standard form */
5811 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ){
5812 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
5813 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
5814 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
5815 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
5816 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
5817 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
5818 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
5822 /* [HGM] <popupFix> The following if has been moved here from
5823 UserMoveEvent(). Because it seemed to belong here (why not allow
5824 piece drops in training games?), and because it can only be
5825 performed after it is known to what we promote. */
5826 if (gameMode == Training) {
5827 /* compare the move played on the board to the next move in the
5828 * game. If they match, display the move and the opponent's response.
5829 * If they don't match, display an error message.
5833 CopyBoard(testBoard, boards[currentMove]);
5834 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
5836 if (CompareBoards(testBoard, boards[currentMove+1])) {
5837 ForwardInner(currentMove+1);
5839 /* Autoplay the opponent's response.
5840 * if appData.animate was TRUE when Training mode was entered,
5841 * the response will be animated.
5843 saveAnimate = appData.animate;
5844 appData.animate = animateTraining;
5845 ForwardInner(currentMove+1);
5846 appData.animate = saveAnimate;
5848 /* check for the end of the game */
5849 if (currentMove >= forwardMostMove) {
5850 gameMode = PlayFromGameFile;
5852 SetTrainingModeOff();
5853 DisplayInformation(_("End of game"));
5856 DisplayError(_("Incorrect move"), 0);
5861 /* Ok, now we know that the move is good, so we can kill
5862 the previous line in Analysis Mode */
5863 if ((gameMode == AnalyzeMode || gameMode == EditGame)
5864 && currentMove < forwardMostMove) {
5865 PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
5868 /* If we need the chess program but it's dead, restart it */
5869 ResurrectChessProgram();
5871 /* A user move restarts a paused game*/
5875 thinkOutput[0] = NULLCHAR;
5877 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
5879 if(Adjudicate(NULL)) return 1; // [HGM] adjudicate: take care of automtic game end
5881 if (gameMode == BeginningOfGame) {
5882 if (appData.noChessProgram) {
5883 gameMode = EditGame;
5887 gameMode = MachinePlaysBlack;
5890 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
5892 if (first.sendName) {
5893 sprintf(buf, "name %s\n", gameInfo.white);
5894 SendToProgram(buf, &first);
5901 /* Relay move to ICS or chess engine */
5902 if (appData.icsActive) {
5903 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
5904 gameMode == IcsExamining) {
5905 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
5906 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
5908 SendMoveToICS(moveType, fromX, fromY, toX, toY);
5910 // also send plain move, in case ICS does not understand atomic claims
5911 SendMoveToICS(moveType, fromX, fromY, toX, toY);
5915 if (first.sendTime && (gameMode == BeginningOfGame ||
5916 gameMode == MachinePlaysWhite ||
5917 gameMode == MachinePlaysBlack)) {
5918 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
5920 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
5921 // [HGM] book: if program might be playing, let it use book
5922 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
5923 first.maybeThinking = TRUE;
5924 } else SendMoveToProgram(forwardMostMove-1, &first);
5925 if (currentMove == cmailOldMove + 1) {
5926 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
5930 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
5934 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
5940 if (WhiteOnMove(currentMove)) {
5941 GameEnds(BlackWins, "Black mates", GE_PLAYER);
5943 GameEnds(WhiteWins, "White mates", GE_PLAYER);
5947 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
5952 case MachinePlaysBlack:
5953 case MachinePlaysWhite:
5954 /* disable certain menu options while machine is thinking */
5955 SetMachineThinkingEnables();
5962 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
5964 if(bookHit) { // [HGM] book: simulate book reply
5965 static char bookMove[MSG_SIZ]; // a bit generous?
5967 programStats.nodes = programStats.depth = programStats.time =
5968 programStats.score = programStats.got_only_move = 0;
5969 sprintf(programStats.movelist, "%s (xbook)", bookHit);
5971 strcpy(bookMove, "move ");
5972 strcat(bookMove, bookHit);
5973 HandleMachineMove(bookMove, &first);
5979 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
5980 int fromX, fromY, toX, toY;
5983 /* [HGM] This routine was added to allow calling of its two logical
5984 parts from other modules in the old way. Before, UserMoveEvent()
5985 automatically called FinishMove() if the move was OK, and returned
5986 otherwise. I separated the two, in order to make it possible to
5987 slip a promotion popup in between. But that it always needs two
5988 calls, to the first part, (now called UserMoveTest() ), and to
5989 FinishMove if the first part succeeded. Calls that do not need
5990 to do anything in between, can call this routine the old way.
5992 ChessMove moveType = UserMoveTest(fromX, fromY, toX, toY, promoChar, FALSE);
5993 if(appData.debugMode) fprintf(debugFP, "moveType 4 = %d, promochar = %x\n", moveType, promoChar);
5994 if(moveType == AmbiguousMove)
5995 DrawPosition(FALSE, boards[currentMove]);
5996 else if(moveType != ImpossibleMove && moveType != Comment)
5997 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6001 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6008 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6009 Markers *m = (Markers *) closure;
6010 if(rf == fromY && ff == fromX)
6011 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6012 || kind == WhiteCapturesEnPassant
6013 || kind == BlackCapturesEnPassant);
6014 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6018 MarkTargetSquares(int clear)
6021 if(!appData.markers || !appData.highlightDragging ||
6022 !appData.testLegality || gameMode == EditPosition) return;
6024 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6027 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker);
6028 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6029 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6031 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6034 DrawPosition(TRUE, NULL);
6037 void LeftClick(ClickType clickType, int xPix, int yPix)
6040 Boolean saveAnimate;
6041 static int second = 0, promotionChoice = 0;
6042 char promoChoice = NULLCHAR;
6044 if(appData.seekGraph && appData.icsActive && loggedOn &&
6045 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6046 SeekGraphClick(clickType, xPix, yPix, 0);
6050 if (clickType == Press) ErrorPopDown();
6051 MarkTargetSquares(1);
6053 x = EventToSquare(xPix, BOARD_WIDTH);
6054 y = EventToSquare(yPix, BOARD_HEIGHT);
6055 if (!flipView && y >= 0) {
6056 y = BOARD_HEIGHT - 1 - y;
6058 if (flipView && x >= 0) {
6059 x = BOARD_WIDTH - 1 - x;
6062 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6063 if(clickType == Release) return; // ignore upclick of click-click destination
6064 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6065 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6066 if(gameInfo.holdingsWidth &&
6067 (WhiteOnMove(currentMove)
6068 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y > 0
6069 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT-1) ) {
6070 // click in right holdings, for determining promotion piece
6071 ChessSquare p = boards[currentMove][y][x];
6072 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6073 if(p != EmptySquare) {
6074 FinishMove(NormalMove, fromX, fromY, toX, toY, ToLower(PieceToChar(p)));
6079 DrawPosition(FALSE, boards[currentMove]);
6083 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6084 if(clickType == Press
6085 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6086 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6087 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6091 if(!appData.oneClick || !OnlyMove(&x, &y)) {
6092 if (clickType == Press) {
6094 if (OKToStartUserMove(x, y)) {
6098 MarkTargetSquares(0);
6099 DragPieceBegin(xPix, yPix);
6100 if (appData.highlightDragging) {
6101 SetHighlights(x, y, -1, -1);
6110 if (clickType == Press && gameMode != EditPosition) {
6115 // ignore off-board to clicks
6116 if(y < 0 || x < 0) return;
6118 /* Check if clicking again on the same color piece */
6119 fromP = boards[currentMove][fromY][fromX];
6120 toP = boards[currentMove][y][x];
6121 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom;
6122 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6123 WhitePawn <= toP && toP <= WhiteKing &&
6124 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6125 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6126 (BlackPawn <= fromP && fromP <= BlackKing &&
6127 BlackPawn <= toP && toP <= BlackKing &&
6128 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6129 !(fromP == BlackKing && toP == BlackRook && frc))) {
6130 /* Clicked again on same color piece -- changed his mind */
6131 second = (x == fromX && y == fromY);
6132 if (appData.highlightDragging) {
6133 SetHighlights(x, y, -1, -1);
6137 if (OKToStartUserMove(x, y)) {
6140 MarkTargetSquares(0);
6141 DragPieceBegin(xPix, yPix);
6145 // ignore clicks on holdings
6146 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6149 if (clickType == Release && x == fromX && y == fromY) {
6150 DragPieceEnd(xPix, yPix);
6151 if (appData.animateDragging) {
6152 /* Undo animation damage if any */
6153 DrawPosition(FALSE, NULL);
6156 /* Second up/down in same square; just abort move */
6161 ClearPremoveHighlights();
6163 /* First upclick in same square; start click-click mode */
6164 SetHighlights(x, y, -1, -1);
6169 /* we now have a different from- and (possibly off-board) to-square */
6170 /* Completed move */
6173 saveAnimate = appData.animate;
6174 if (clickType == Press) {
6175 /* Finish clickclick move */
6176 if (appData.animate || appData.highlightLastMove) {
6177 SetHighlights(fromX, fromY, toX, toY);
6182 /* Finish drag move */
6183 if (appData.highlightLastMove) {
6184 SetHighlights(fromX, fromY, toX, toY);
6188 DragPieceEnd(xPix, yPix);
6189 /* Don't animate move and drag both */
6190 appData.animate = FALSE;
6193 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
6194 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
6195 ChessSquare piece = boards[currentMove][fromY][fromX];
6196 if(gameMode == EditPosition && piece != EmptySquare &&
6197 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
6200 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
6201 n = PieceToNumber(piece - (int)BlackPawn);
6202 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
6203 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
6204 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
6206 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
6207 n = PieceToNumber(piece);
6208 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
6209 boards[currentMove][n][BOARD_WIDTH-1] = piece;
6210 boards[currentMove][n][BOARD_WIDTH-2]++;
6212 boards[currentMove][fromY][fromX] = EmptySquare;
6216 DrawPosition(TRUE, boards[currentMove]);
6220 // off-board moves should not be highlighted
6221 if(x < 0 || x < 0) ClearHighlights();
6223 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
6224 SetHighlights(fromX, fromY, toX, toY);
6225 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6226 // [HGM] super: promotion to captured piece selected from holdings
6227 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
6228 promotionChoice = TRUE;
6229 // kludge follows to temporarily execute move on display, without promoting yet
6230 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
6231 boards[currentMove][toY][toX] = p;
6232 DrawPosition(FALSE, boards[currentMove]);
6233 boards[currentMove][fromY][fromX] = p; // take back, but display stays
6234 boards[currentMove][toY][toX] = q;
6235 DisplayMessage("Click in holdings to choose piece", "");
6240 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
6241 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
6242 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
6245 appData.animate = saveAnimate;
6246 if (appData.animate || appData.animateDragging) {
6247 /* Undo animation damage if needed */
6248 DrawPosition(FALSE, NULL);
6252 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
6253 { // front-end-free part taken out of PieceMenuPopup
6254 int whichMenu; int xSqr, ySqr;
6256 if(seekGraphUp) { // [HGM] seekgraph
6257 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
6258 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
6262 xSqr = EventToSquare(x, BOARD_WIDTH);
6263 ySqr = EventToSquare(y, BOARD_HEIGHT);
6264 if (action == Release) UnLoadPV(); // [HGM] pv
6265 if (action != Press) return -2; // return code to be ignored
6268 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
\r
6270 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
\r
6271 if (xSqr < 0 || ySqr < 0) return -1;
\r
6272 whichMenu = 0; // edit-position menu
6275 if(!appData.icsEngineAnalyze) return -1;
6276 case IcsPlayingWhite:
6277 case IcsPlayingBlack:
6278 if(!appData.zippyPlay) goto noZip;
6281 case MachinePlaysWhite:
6282 case MachinePlaysBlack:
6283 case TwoMachinesPlay: // [HGM] pv: use for showing PV
6284 if (!appData.dropMenu) {
6286 return 2; // flag front-end to grab mouse events
6288 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
6289 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
6292 if (xSqr < 0 || ySqr < 0) return -1;
6293 if (!appData.dropMenu || appData.testLegality &&
6294 gameInfo.variant != VariantBughouse &&
6295 gameInfo.variant != VariantCrazyhouse) return -1;
6296 whichMenu = 1; // drop menu
6302 if (((*fromX = xSqr) < 0) ||
6303 ((*fromY = ySqr) < 0)) {
6304 *fromX = *fromY = -1;
6308 *fromX = BOARD_WIDTH - 1 - *fromX;
6310 *fromY = BOARD_HEIGHT - 1 - *fromY;
6315 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
6317 // char * hint = lastHint;
6318 FrontEndProgramStats stats;
6320 stats.which = cps == &first ? 0 : 1;
6321 stats.depth = cpstats->depth;
6322 stats.nodes = cpstats->nodes;
6323 stats.score = cpstats->score;
6324 stats.time = cpstats->time;
6325 stats.pv = cpstats->movelist;
6326 stats.hint = lastHint;
6327 stats.an_move_index = 0;
6328 stats.an_move_count = 0;
6330 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
6331 stats.hint = cpstats->move_name;
6332 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
6333 stats.an_move_count = cpstats->nr_moves;
6336 if(stats.pv && stats.pv[0]) strcpy(lastPV[stats.which], stats.pv); // [HGM] pv: remember last PV of each
6338 SetProgramStats( &stats );
6342 Adjudicate(ChessProgramState *cps)
6343 { // [HGM] some adjudications useful with buggy engines
6344 // [HGM] adjudicate: made into separate routine, which now can be called after every move
6345 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
6346 // Actually ending the game is now based on the additional internal condition canAdjudicate.
6347 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
6348 int k, count = 0; static int bare = 1;
6349 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
6350 Boolean canAdjudicate = !appData.icsActive;
6352 // most tests only when we understand the game, i.e. legality-checking on, and (for the time being) no piece drops
6353 if(gameInfo.holdingsSize == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6354 if( appData.testLegality )
6355 { /* [HGM] Some more adjudications for obstinate engines */
6356 int NrWN=0, NrBN=0, NrWB=0, NrBB=0, NrWR=0, NrBR=0,
6357 NrWQ=0, NrBQ=0, NrW=0, NrK=0, bishopsColor = 0,
6358 NrPieces=0, NrPawns=0, PawnAdvance=0, i, j;
6359 static int moveCount = 6;
6361 char *reason = NULL;
6363 /* Count what is on board. */
6364 for(i=0; i<BOARD_HEIGHT; i++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
6365 { ChessSquare p = boards[forwardMostMove][i][j];
6369 { /* count B,N,R and other of each side */
6372 NrK++; break; // [HGM] atomic: count Kings
6376 case WhiteFerz: // [HGM] shatranj: kludge to mke it work in shatranj
6377 bishopsColor |= 1 << ((i^j)&1);
6382 case BlackFerz: // [HGM] shatranj: kludge to mke it work in shatranj
6383 bishopsColor |= 1 << ((i^j)&1);
6398 PawnAdvance += m; NrPawns++;
6400 NrPieces += (p != EmptySquare);
6401 NrW += ((int)p < (int)BlackPawn);
6402 if(gameInfo.variant == VariantXiangqi &&
6403 (p == WhiteFerz || p == WhiteAlfil || p == BlackFerz || p == BlackAlfil)) {
6404 NrPieces--; // [HGM] XQ: do not count purely defensive pieces
6405 NrW -= ((int)p < (int)BlackPawn);
6409 /* Some material-based adjudications that have to be made before stalemate test */
6410 if(gameInfo.variant == VariantAtomic && NrK < 2) {
6411 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
6412 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
6413 if(canAdjudicate && appData.checkMates) {
6415 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6416 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6417 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
6418 "Xboard adjudication: King destroyed", GE_XBOARD );
6423 /* Bare King in Shatranj (loses) or Losers (wins) */
6424 if( NrW == 1 || NrPieces - NrW == 1) {
6425 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
6426 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
6427 if(canAdjudicate && appData.checkMates) {
6429 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
6430 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6431 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6432 "Xboard adjudication: Bare king", GE_XBOARD );
6436 if( gameInfo.variant == VariantShatranj && --bare < 0)
6438 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
6439 if(canAdjudicate && appData.checkMates) {
6440 /* but only adjudicate if adjudication enabled */
6442 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6443 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6444 GameEnds( NrW > 1 ? WhiteWins : NrPieces - NrW > 1 ? BlackWins : GameIsDrawn,
6445 "Xboard adjudication: Bare king", GE_XBOARD );
6452 // don't wait for engine to announce game end if we can judge ourselves
6453 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
6455 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
6456 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
6457 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
6458 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
6461 reason = "Xboard adjudication: 3rd check";
6462 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
6472 reason = "Xboard adjudication: Stalemate";
6473 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
6474 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
6475 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
6476 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
6477 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
6478 boards[forwardMostMove][EP_STATUS] = NrW == NrPieces-NrW ? EP_STALEMATE :
6479 ((NrW < NrPieces-NrW) != WhiteOnMove(forwardMostMove) ?
6480 EP_CHECKMATE : EP_WINS);
6481 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
6482 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
6486 reason = "Xboard adjudication: Checkmate";
6487 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
6491 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
6493 result = GameIsDrawn; break;
6495 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
6497 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
6499 result = (ChessMove) 0;
6501 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
6503 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6504 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6505 GameEnds( result, reason, GE_XBOARD );
6509 /* Next absolutely insufficient mating material. */
6510 if( NrPieces == 2 || gameInfo.variant != VariantXiangqi &&
6511 gameInfo.variant != VariantShatranj && // [HGM] baring will remain possible
6512 (NrPieces == 3 && NrWN+NrBN+NrWB+NrBB == 1 ||
6513 NrPieces == NrBB+NrWB+2 && bishopsColor != 3)) // [HGM] all Bishops (Ferz!) same color
6514 { /* KBK, KNK, KK of KBKB with like Bishops */
6516 /* always flag draws, for judging claims */
6517 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
6519 if(canAdjudicate && appData.materialDraws) {
6520 /* but only adjudicate them if adjudication enabled */
6521 if(engineOpponent) {
6522 SendToProgram("force\n", engineOpponent); // suppress reply
6523 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
6525 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6526 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
6531 /* Then some trivial draws (only adjudicate, cannot be claimed) */
6533 ( NrWR == 1 && NrBR == 1 /* KRKR */
6534 || NrWQ==1 && NrBQ==1 /* KQKQ */
6535 || NrWN==2 || NrBN==2 /* KNNK */
6536 || NrWN+NrWB == 1 && NrBN+NrBB == 1 /* KBKN, KBKB, KNKN */
6538 if(canAdjudicate && --moveCount < 0 && appData.trivialDraws)
6539 { /* if the first 3 moves do not show a tactical win, declare draw */
6540 if(engineOpponent) {
6541 SendToProgram("force\n", engineOpponent); // suppress reply
6542 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6544 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6545 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
6548 } else moveCount = 6;
6552 if (appData.debugMode) { int i;
6553 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
6554 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
6555 appData.drawRepeats);
6556 for( i=forwardMostMove; i>=backwardMostMove; i-- )
6557 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
6561 // Repetition draws and 50-move rule can be applied independently of legality testing
6563 /* Check for rep-draws */
6565 for(k = forwardMostMove-2;
6566 k>=backwardMostMove && k>=forwardMostMove-100 &&
6567 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
6568 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
6571 if(CompareBoards(boards[k], boards[forwardMostMove])) {
6572 /* compare castling rights */
6573 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
6574 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
6575 rights++; /* King lost rights, while rook still had them */
6576 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
6577 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
6578 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
6579 rights++; /* but at least one rook lost them */
6581 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
6582 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
6584 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
6585 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
6586 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
6589 if( canAdjudicate && rights == 0 && ++count > appData.drawRepeats-2
6590 && appData.drawRepeats > 1) {
6591 /* adjudicate after user-specified nr of repeats */
6592 if(engineOpponent) {
6593 SendToProgram("force\n", engineOpponent); // suppress reply
6594 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6596 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6597 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
6598 // [HGM] xiangqi: check for forbidden perpetuals
6599 int m, ourPerpetual = 1, hisPerpetual = 1;
6600 for(m=forwardMostMove; m>k; m-=2) {
6601 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
6602 ourPerpetual = 0; // the current mover did not always check
6603 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
6604 hisPerpetual = 0; // the opponent did not always check
6606 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
6607 ourPerpetual, hisPerpetual);
6608 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
6609 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6610 "Xboard adjudication: perpetual checking", GE_XBOARD );
6613 if(hisPerpetual && !ourPerpetual) // he is checking us, but did not repeat yet
6614 break; // (or we would have caught him before). Abort repetition-checking loop.
6615 // Now check for perpetual chases
6616 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
6617 hisPerpetual = PerpetualChase(k, forwardMostMove);
6618 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
6619 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
6620 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6621 "Xboard adjudication: perpetual chasing", GE_XBOARD );
6624 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
6625 break; // Abort repetition-checking loop.
6627 // if neither of us is checking or chasing all the time, or both are, it is draw
6629 GameEnds( GameIsDrawn, "Xboard adjudication: repetition draw", GE_XBOARD );
6632 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
6633 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
6637 /* Now we test for 50-move draws. Determine ply count */
6638 count = forwardMostMove;
6639 /* look for last irreversble move */
6640 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
6642 /* if we hit starting position, add initial plies */
6643 if( count == backwardMostMove )
6644 count -= initialRulePlies;
6645 count = forwardMostMove - count;
6647 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
6648 /* this is used to judge if draw claims are legal */
6649 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
6650 if(engineOpponent) {
6651 SendToProgram("force\n", engineOpponent); // suppress reply
6652 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6654 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6655 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
6659 /* if draw offer is pending, treat it as a draw claim
6660 * when draw condition present, to allow engines a way to
6661 * claim draws before making their move to avoid a race
6662 * condition occurring after their move
6664 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
6666 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
6667 p = "Draw claim: 50-move rule";
6668 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
6669 p = "Draw claim: 3-fold repetition";
6670 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
6671 p = "Draw claim: insufficient mating material";
6672 if( p != NULL && canAdjudicate) {
6673 if(engineOpponent) {
6674 SendToProgram("force\n", engineOpponent); // suppress reply
6675 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6677 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6678 GameEnds( GameIsDrawn, p, GE_XBOARD );
6683 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
6684 if(engineOpponent) {
6685 SendToProgram("force\n", engineOpponent); // suppress reply
6686 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6688 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6689 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
6695 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
6696 { // [HGM] book: this routine intercepts moves to simulate book replies
6697 char *bookHit = NULL;
6699 //first determine if the incoming move brings opponent into his book
6700 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
6701 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
6702 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
6703 if(bookHit != NULL && !cps->bookSuspend) {
6704 // make sure opponent is not going to reply after receiving move to book position
6705 SendToProgram("force\n", cps);
6706 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
6708 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
6709 // now arrange restart after book miss
6711 // after a book hit we never send 'go', and the code after the call to this routine
6712 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
6714 if (cps->useUsermove) sprintf(buf, "usermove "); // sorry, no SAN yet :(
6715 sprintf(buf, "%s\n", bookHit); // force book move into program supposed to play it
6716 SendToProgram(buf, cps);
6717 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
6718 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
6719 SendToProgram("go\n", cps);
6720 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
6721 } else { // 'go' might be sent based on 'firstMove' after this routine returns
6722 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
6723 SendToProgram("go\n", cps);
6724 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
6726 return bookHit; // notify caller of hit, so it can take action to send move to opponent
6730 ChessProgramState *savedState;
6731 void DeferredBookMove(void)
6733 if(savedState->lastPing != savedState->lastPong)
6734 ScheduleDelayedEvent(DeferredBookMove, 10);
6736 HandleMachineMove(savedMessage, savedState);
6740 HandleMachineMove(message, cps)
6742 ChessProgramState *cps;
6744 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
6745 char realname[MSG_SIZ];
6746 int fromX, fromY, toX, toY;
6755 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
6757 * Kludge to ignore BEL characters
6759 while (*message == '\007') message++;
6762 * [HGM] engine debug message: ignore lines starting with '#' character
6764 if(cps->debug && *message == '#') return;
6767 * Look for book output
6769 if (cps == &first && bookRequested) {
6770 if (message[0] == '\t' || message[0] == ' ') {
6771 /* Part of the book output is here; append it */
6772 strcat(bookOutput, message);
6773 strcat(bookOutput, " \n");
6775 } else if (bookOutput[0] != NULLCHAR) {
6776 /* All of book output has arrived; display it */
6777 char *p = bookOutput;
6778 while (*p != NULLCHAR) {
6779 if (*p == '\t') *p = ' ';
6782 DisplayInformation(bookOutput);
6783 bookRequested = FALSE;
6784 /* Fall through to parse the current output */
6789 * Look for machine move.
6791 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
6792 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
6794 /* This method is only useful on engines that support ping */
6795 if (cps->lastPing != cps->lastPong) {
6796 if (gameMode == BeginningOfGame) {
6797 /* Extra move from before last new; ignore */
6798 if (appData.debugMode) {
6799 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
6802 if (appData.debugMode) {
6803 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
6804 cps->which, gameMode);
6807 SendToProgram("undo\n", cps);
6813 case BeginningOfGame:
6814 /* Extra move from before last reset; ignore */
6815 if (appData.debugMode) {
6816 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
6823 /* Extra move after we tried to stop. The mode test is
6824 not a reliable way of detecting this problem, but it's
6825 the best we can do on engines that don't support ping.
6827 if (appData.debugMode) {
6828 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
6829 cps->which, gameMode);
6831 SendToProgram("undo\n", cps);
6834 case MachinePlaysWhite:
6835 case IcsPlayingWhite:
6836 machineWhite = TRUE;
6839 case MachinePlaysBlack:
6840 case IcsPlayingBlack:
6841 machineWhite = FALSE;
6844 case TwoMachinesPlay:
6845 machineWhite = (cps->twoMachinesColor[0] == 'w');
6848 if (WhiteOnMove(forwardMostMove) != machineWhite) {
6849 if (appData.debugMode) {
6851 "Ignoring move out of turn by %s, gameMode %d"
6852 ", forwardMost %d\n",
6853 cps->which, gameMode, forwardMostMove);
6858 if (appData.debugMode) { int f = forwardMostMove;
6859 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
6860 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
6861 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
6863 if(cps->alphaRank) AlphaRank(machineMove, 4);
6864 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
6865 &fromX, &fromY, &toX, &toY, &promoChar)) {
6866 /* Machine move could not be parsed; ignore it. */
6867 sprintf(buf1, _("Illegal move \"%s\" from %s machine"),
6868 machineMove, cps->which);
6869 DisplayError(buf1, 0);
6870 sprintf(buf1, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
6871 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
6872 if (gameMode == TwoMachinesPlay) {
6873 GameEnds(machineWhite ? BlackWins : WhiteWins,
6879 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
6880 /* So we have to redo legality test with true e.p. status here, */
6881 /* to make sure an illegal e.p. capture does not slip through, */
6882 /* to cause a forfeit on a justified illegal-move complaint */
6883 /* of the opponent. */
6884 if( gameMode==TwoMachinesPlay && appData.testLegality
6885 && fromY != DROP_RANK /* [HGM] temporary; should still add legality test for drops */
6888 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
6889 fromY, fromX, toY, toX, promoChar);
6890 if (appData.debugMode) {
6892 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
6893 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
6894 fprintf(debugFP, "castling rights\n");
6896 if(moveType == IllegalMove) {
6897 sprintf(buf1, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
6898 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
6899 GameEnds(machineWhite ? BlackWins : WhiteWins,
6902 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
6903 /* [HGM] Kludge to handle engines that send FRC-style castling
6904 when they shouldn't (like TSCP-Gothic) */
6906 case WhiteASideCastleFR:
6907 case BlackASideCastleFR:
6909 currentMoveString[2]++;
6911 case WhiteHSideCastleFR:
6912 case BlackHSideCastleFR:
6914 currentMoveString[2]--;
6916 default: ; // nothing to do, but suppresses warning of pedantic compilers
6919 hintRequested = FALSE;
6920 lastHint[0] = NULLCHAR;
6921 bookRequested = FALSE;
6922 /* Program may be pondering now */
6923 cps->maybeThinking = TRUE;
6924 if (cps->sendTime == 2) cps->sendTime = 1;
6925 if (cps->offeredDraw) cps->offeredDraw--;
6927 /* currentMoveString is set as a side-effect of ParseOneMove */
6928 strcpy(machineMove, currentMoveString);
6929 strcat(machineMove, "\n");
6930 strcpy(moveList[forwardMostMove], machineMove);
6932 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
6934 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
6935 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
6938 while( count < adjudicateLossPlies ) {
6939 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
6942 score = -score; /* Flip score for winning side */
6945 if( score > adjudicateLossThreshold ) {
6952 if( count >= adjudicateLossPlies ) {
6953 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6955 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6956 "Xboard adjudication",
6963 if(Adjudicate(cps)) return; // [HGM] adjudicate: for all automatic game ends
6966 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
6968 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6969 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6971 SendMoveToICS(moveType, fromX, fromY, toX, toY);
6973 SendMoveToICS(moveType, fromX, fromY, toX, toY);
6975 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
6976 char buf[3*MSG_SIZ];
6978 sprintf(buf, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
6979 programStats.score / 100.,
6981 programStats.time / 100.,
6982 (unsigned int)programStats.nodes,
6983 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
6984 programStats.movelist);
6986 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
6991 /* [AS] Save move info and clear stats for next move */
6992 pvInfoList[ forwardMostMove-1 ].score = programStats.score;
6993 pvInfoList[ forwardMostMove-1 ].depth = programStats.depth;
6994 pvInfoList[ forwardMostMove-1 ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
6995 ClearProgramStats();
6996 thinkOutput[0] = NULLCHAR;
6997 hiddenThinkOutputState = 0;
7000 if (gameMode == TwoMachinesPlay) {
7001 /* [HGM] relaying draw offers moved to after reception of move */
7002 /* and interpreting offer as claim if it brings draw condition */
7003 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
7004 SendToProgram("draw\n", cps->other);
7006 if (cps->other->sendTime) {
7007 SendTimeRemaining(cps->other,
7008 cps->other->twoMachinesColor[0] == 'w');
7010 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
7011 if (firstMove && !bookHit) {
7013 if (cps->other->useColors) {
7014 SendToProgram(cps->other->twoMachinesColor, cps->other);
7016 SendToProgram("go\n", cps->other);
7018 cps->other->maybeThinking = TRUE;
7021 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7023 if (!pausing && appData.ringBellAfterMoves) {
7028 * Reenable menu items that were disabled while
7029 * machine was thinking
7031 if (gameMode != TwoMachinesPlay)
7032 SetUserThinkingEnables();
7034 // [HGM] book: after book hit opponent has received move and is now in force mode
7035 // force the book reply into it, and then fake that it outputted this move by jumping
7036 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
7038 static char bookMove[MSG_SIZ]; // a bit generous?
7040 strcpy(bookMove, "move ");
7041 strcat(bookMove, bookHit);
7044 programStats.nodes = programStats.depth = programStats.time =
7045 programStats.score = programStats.got_only_move = 0;
7046 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7048 if(cps->lastPing != cps->lastPong) {
7049 savedMessage = message; // args for deferred call
7051 ScheduleDelayedEvent(DeferredBookMove, 10);
7060 /* Set special modes for chess engines. Later something general
7061 * could be added here; for now there is just one kludge feature,
7062 * needed because Crafty 15.10 and earlier don't ignore SIGINT
7063 * when "xboard" is given as an interactive command.
7065 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
7066 cps->useSigint = FALSE;
7067 cps->useSigterm = FALSE;
7069 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
7070 ParseFeatures(message+8, cps);
7071 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
7074 /* [HGM] Allow engine to set up a position. Don't ask me why one would
7075 * want this, I was asked to put it in, and obliged.
7077 if (!strncmp(message, "setboard ", 9)) {
7078 Board initial_position;
7080 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
7082 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
7083 DisplayError(_("Bad FEN received from engine"), 0);
7087 CopyBoard(boards[0], initial_position);
7088 initialRulePlies = FENrulePlies;
7089 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
7090 else gameMode = MachinePlaysBlack;
7091 DrawPosition(FALSE, boards[currentMove]);
7097 * Look for communication commands
7099 if (!strncmp(message, "telluser ", 9)) {
7100 DisplayNote(message + 9);
7103 if (!strncmp(message, "tellusererror ", 14)) {
7105 DisplayError(message + 14, 0);
7108 if (!strncmp(message, "tellopponent ", 13)) {
7109 if (appData.icsActive) {
7111 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
7115 DisplayNote(message + 13);
7119 if (!strncmp(message, "tellothers ", 11)) {
7120 if (appData.icsActive) {
7122 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
7128 if (!strncmp(message, "tellall ", 8)) {
7129 if (appData.icsActive) {
7131 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
7135 DisplayNote(message + 8);
7139 if (strncmp(message, "warning", 7) == 0) {
7140 /* Undocumented feature, use tellusererror in new code */
7141 DisplayError(message, 0);
7144 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
7145 strcpy(realname, cps->tidy);
7146 strcat(realname, " query");
7147 AskQuestion(realname, buf2, buf1, cps->pr);
7150 /* Commands from the engine directly to ICS. We don't allow these to be
7151 * sent until we are logged on. Crafty kibitzes have been known to
7152 * interfere with the login process.
7155 if (!strncmp(message, "tellics ", 8)) {
7156 SendToICS(message + 8);
7160 if (!strncmp(message, "tellicsnoalias ", 15)) {
7161 SendToICS(ics_prefix);
7162 SendToICS(message + 15);
7166 /* The following are for backward compatibility only */
7167 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
7168 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
7169 SendToICS(ics_prefix);
7175 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
7179 * If the move is illegal, cancel it and redraw the board.
7180 * Also deal with other error cases. Matching is rather loose
7181 * here to accommodate engines written before the spec.
7183 if (strncmp(message + 1, "llegal move", 11) == 0 ||
7184 strncmp(message, "Error", 5) == 0) {
7185 if (StrStr(message, "name") ||
7186 StrStr(message, "rating") || StrStr(message, "?") ||
7187 StrStr(message, "result") || StrStr(message, "board") ||
7188 StrStr(message, "bk") || StrStr(message, "computer") ||
7189 StrStr(message, "variant") || StrStr(message, "hint") ||
7190 StrStr(message, "random") || StrStr(message, "depth") ||
7191 StrStr(message, "accepted")) {
7194 if (StrStr(message, "protover")) {
7195 /* Program is responding to input, so it's apparently done
7196 initializing, and this error message indicates it is
7197 protocol version 1. So we don't need to wait any longer
7198 for it to initialize and send feature commands. */
7199 FeatureDone(cps, 1);
7200 cps->protocolVersion = 1;
7203 cps->maybeThinking = FALSE;
7205 if (StrStr(message, "draw")) {
7206 /* Program doesn't have "draw" command */
7207 cps->sendDrawOffers = 0;
7210 if (cps->sendTime != 1 &&
7211 (StrStr(message, "time") || StrStr(message, "otim"))) {
7212 /* Program apparently doesn't have "time" or "otim" command */
7216 if (StrStr(message, "analyze")) {
7217 cps->analysisSupport = FALSE;
7218 cps->analyzing = FALSE;
7220 sprintf(buf2, _("%s does not support analysis"), cps->tidy);
7221 DisplayError(buf2, 0);
7224 if (StrStr(message, "(no matching move)st")) {
7225 /* Special kludge for GNU Chess 4 only */
7226 cps->stKludge = TRUE;
7227 SendTimeControl(cps, movesPerSession, timeControl,
7228 timeIncrement, appData.searchDepth,
7232 if (StrStr(message, "(no matching move)sd")) {
7233 /* Special kludge for GNU Chess 4 only */
7234 cps->sdKludge = TRUE;
7235 SendTimeControl(cps, movesPerSession, timeControl,
7236 timeIncrement, appData.searchDepth,
7240 if (!StrStr(message, "llegal")) {
7243 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7244 gameMode == IcsIdle) return;
7245 if (forwardMostMove <= backwardMostMove) return;
7246 if (pausing) PauseEvent();
7247 if(appData.forceIllegal) {
7248 // [HGM] illegal: machine refused move; force position after move into it
7249 SendToProgram("force\n", cps);
7250 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
7251 // we have a real problem now, as SendBoard will use the a2a3 kludge
7252 // when black is to move, while there might be nothing on a2 or black
7253 // might already have the move. So send the board as if white has the move.
7254 // But first we must change the stm of the engine, as it refused the last move
7255 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
7256 if(WhiteOnMove(forwardMostMove)) {
7257 SendToProgram("a7a6\n", cps); // for the engine black still had the move
7258 SendBoard(cps, forwardMostMove); // kludgeless board
7260 SendToProgram("a2a3\n", cps); // for the engine white still had the move
7261 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7262 SendBoard(cps, forwardMostMove+1); // kludgeless board
7264 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
7265 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
7266 gameMode == TwoMachinesPlay)
7267 SendToProgram("go\n", cps);
7270 if (gameMode == PlayFromGameFile) {
7271 /* Stop reading this game file */
7272 gameMode = EditGame;
7275 currentMove = --forwardMostMove;
7276 DisplayMove(currentMove-1); /* before DisplayMoveError */
7278 DisplayBothClocks();
7279 sprintf(buf1, _("Illegal move \"%s\" (rejected by %s chess program)"),
7280 parseList[currentMove], cps->which);
7281 DisplayMoveError(buf1);
7282 DrawPosition(FALSE, boards[currentMove]);
7284 /* [HGM] illegal-move claim should forfeit game when Xboard */
7285 /* only passes fully legal moves */
7286 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
7287 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
7288 "False illegal-move claim", GE_XBOARD );
7292 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
7293 /* Program has a broken "time" command that
7294 outputs a string not ending in newline.
7300 * If chess program startup fails, exit with an error message.
7301 * Attempts to recover here are futile.
7303 if ((StrStr(message, "unknown host") != NULL)
7304 || (StrStr(message, "No remote directory") != NULL)
7305 || (StrStr(message, "not found") != NULL)
7306 || (StrStr(message, "No such file") != NULL)
7307 || (StrStr(message, "can't alloc") != NULL)
7308 || (StrStr(message, "Permission denied") != NULL)) {
7310 cps->maybeThinking = FALSE;
7311 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
7312 cps->which, cps->program, cps->host, message);
7313 RemoveInputSource(cps->isr);
7314 DisplayFatalError(buf1, 0, 1);
7319 * Look for hint output
7321 if (sscanf(message, "Hint: %s", buf1) == 1) {
7322 if (cps == &first && hintRequested) {
7323 hintRequested = FALSE;
7324 if (ParseOneMove(buf1, forwardMostMove, &moveType,
7325 &fromX, &fromY, &toX, &toY, &promoChar)) {
7326 (void) CoordsToAlgebraic(boards[forwardMostMove],
7327 PosFlags(forwardMostMove),
7328 fromY, fromX, toY, toX, promoChar, buf1);
7329 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
7330 DisplayInformation(buf2);
7332 /* Hint move could not be parsed!? */
7333 snprintf(buf2, sizeof(buf2),
7334 _("Illegal hint move \"%s\"\nfrom %s chess program"),
7336 DisplayError(buf2, 0);
7339 strcpy(lastHint, buf1);
7345 * Ignore other messages if game is not in progress
7347 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7348 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
7351 * look for win, lose, draw, or draw offer
7353 if (strncmp(message, "1-0", 3) == 0) {
7354 char *p, *q, *r = "";
7355 p = strchr(message, '{');
7363 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
7365 } else if (strncmp(message, "0-1", 3) == 0) {
7366 char *p, *q, *r = "";
7367 p = strchr(message, '{');
7375 /* Kludge for Arasan 4.1 bug */
7376 if (strcmp(r, "Black resigns") == 0) {
7377 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
7380 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
7382 } else if (strncmp(message, "1/2", 3) == 0) {
7383 char *p, *q, *r = "";
7384 p = strchr(message, '{');
7393 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
7396 } else if (strncmp(message, "White resign", 12) == 0) {
7397 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7399 } else if (strncmp(message, "Black resign", 12) == 0) {
7400 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7402 } else if (strncmp(message, "White matches", 13) == 0 ||
7403 strncmp(message, "Black matches", 13) == 0 ) {
7404 /* [HGM] ignore GNUShogi noises */
7406 } else if (strncmp(message, "White", 5) == 0 &&
7407 message[5] != '(' &&
7408 StrStr(message, "Black") == NULL) {
7409 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7411 } else if (strncmp(message, "Black", 5) == 0 &&
7412 message[5] != '(') {
7413 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7415 } else if (strcmp(message, "resign") == 0 ||
7416 strcmp(message, "computer resigns") == 0) {
7418 case MachinePlaysBlack:
7419 case IcsPlayingBlack:
7420 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
7422 case MachinePlaysWhite:
7423 case IcsPlayingWhite:
7424 GameEnds(BlackWins, "White resigns", GE_ENGINE);
7426 case TwoMachinesPlay:
7427 if (cps->twoMachinesColor[0] == 'w')
7428 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7430 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7437 } else if (strncmp(message, "opponent mates", 14) == 0) {
7439 case MachinePlaysBlack:
7440 case IcsPlayingBlack:
7441 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7443 case MachinePlaysWhite:
7444 case IcsPlayingWhite:
7445 GameEnds(BlackWins, "Black mates", GE_ENGINE);
7447 case TwoMachinesPlay:
7448 if (cps->twoMachinesColor[0] == 'w')
7449 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7451 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7458 } else if (strncmp(message, "computer mates", 14) == 0) {
7460 case MachinePlaysBlack:
7461 case IcsPlayingBlack:
7462 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
7464 case MachinePlaysWhite:
7465 case IcsPlayingWhite:
7466 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7468 case TwoMachinesPlay:
7469 if (cps->twoMachinesColor[0] == 'w')
7470 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7472 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7479 } else if (strncmp(message, "checkmate", 9) == 0) {
7480 if (WhiteOnMove(forwardMostMove)) {
7481 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7483 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7486 } else if (strstr(message, "Draw") != NULL ||
7487 strstr(message, "game is a draw") != NULL) {
7488 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
7490 } else if (strstr(message, "offer") != NULL &&
7491 strstr(message, "draw") != NULL) {
7493 if (appData.zippyPlay && first.initDone) {
7494 /* Relay offer to ICS */
7495 SendToICS(ics_prefix);
7496 SendToICS("draw\n");
7499 cps->offeredDraw = 2; /* valid until this engine moves twice */
7500 if (gameMode == TwoMachinesPlay) {
7501 if (cps->other->offeredDraw) {
7502 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7503 /* [HGM] in two-machine mode we delay relaying draw offer */
7504 /* until after we also have move, to see if it is really claim */
7506 } else if (gameMode == MachinePlaysWhite ||
7507 gameMode == MachinePlaysBlack) {
7508 if (userOfferedDraw) {
7509 DisplayInformation(_("Machine accepts your draw offer"));
7510 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7512 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
7519 * Look for thinking output
7521 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
7522 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7524 int plylev, mvleft, mvtot, curscore, time;
7525 char mvname[MOVE_LEN];
7529 int prefixHint = FALSE;
7530 mvname[0] = NULLCHAR;
7533 case MachinePlaysBlack:
7534 case IcsPlayingBlack:
7535 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7537 case MachinePlaysWhite:
7538 case IcsPlayingWhite:
7539 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7544 case IcsObserving: /* [DM] icsEngineAnalyze */
7545 if (!appData.icsEngineAnalyze) ignore = TRUE;
7547 case TwoMachinesPlay:
7548 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
7559 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7560 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
7562 if (plyext != ' ' && plyext != '\t') {
7566 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7567 if( cps->scoreIsAbsolute &&
7568 ( gameMode == MachinePlaysBlack ||
7569 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
7570 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
7571 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
7572 !WhiteOnMove(currentMove)
7575 curscore = -curscore;
7579 programStats.depth = plylev;
7580 programStats.nodes = nodes;
7581 programStats.time = time;
7582 programStats.score = curscore;
7583 programStats.got_only_move = 0;
7585 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
7588 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
7589 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
7590 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
7591 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
7592 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
7593 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
7594 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
7595 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
7598 /* Buffer overflow protection */
7599 if (buf1[0] != NULLCHAR) {
7600 if (strlen(buf1) >= sizeof(programStats.movelist)
7601 && appData.debugMode) {
7603 "PV is too long; using the first %u bytes.\n",
7604 (unsigned) sizeof(programStats.movelist) - 1);
7607 safeStrCpy( programStats.movelist, buf1, sizeof(programStats.movelist) );
7609 sprintf(programStats.movelist, " no PV\n");
7612 if (programStats.seen_stat) {
7613 programStats.ok_to_send = 1;
7616 if (strchr(programStats.movelist, '(') != NULL) {
7617 programStats.line_is_book = 1;
7618 programStats.nr_moves = 0;
7619 programStats.moves_left = 0;
7621 programStats.line_is_book = 0;
7624 SendProgramStatsToFrontend( cps, &programStats );
7627 [AS] Protect the thinkOutput buffer from overflow... this
7628 is only useful if buf1 hasn't overflowed first!
7630 sprintf(thinkOutput, "[%d]%c%+.2f %s%s",
7632 (gameMode == TwoMachinesPlay ?
7633 ToUpper(cps->twoMachinesColor[0]) : ' '),
7634 ((double) curscore) / 100.0,
7635 prefixHint ? lastHint : "",
7636 prefixHint ? " " : "" );
7638 if( buf1[0] != NULLCHAR ) {
7639 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
7641 if( strlen(buf1) > max_len ) {
7642 if( appData.debugMode) {
7643 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
7645 buf1[max_len+1] = '\0';
7648 strcat( thinkOutput, buf1 );
7651 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
7652 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7653 DisplayMove(currentMove - 1);
7657 } else if ((p=StrStr(message, "(only move)")) != NULL) {
7658 /* crafty (9.25+) says "(only move) <move>"
7659 * if there is only 1 legal move
7661 sscanf(p, "(only move) %s", buf1);
7662 sprintf(thinkOutput, "%s (only move)", buf1);
7663 sprintf(programStats.movelist, "%s (only move)", buf1);
7664 programStats.depth = 1;
7665 programStats.nr_moves = 1;
7666 programStats.moves_left = 1;
7667 programStats.nodes = 1;
7668 programStats.time = 1;
7669 programStats.got_only_move = 1;
7671 /* Not really, but we also use this member to
7672 mean "line isn't going to change" (Crafty
7673 isn't searching, so stats won't change) */
7674 programStats.line_is_book = 1;
7676 SendProgramStatsToFrontend( cps, &programStats );
7678 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
7679 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7680 DisplayMove(currentMove - 1);
7683 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
7684 &time, &nodes, &plylev, &mvleft,
7685 &mvtot, mvname) >= 5) {
7686 /* The stat01: line is from Crafty (9.29+) in response
7687 to the "." command */
7688 programStats.seen_stat = 1;
7689 cps->maybeThinking = TRUE;
7691 if (programStats.got_only_move || !appData.periodicUpdates)
7694 programStats.depth = plylev;
7695 programStats.time = time;
7696 programStats.nodes = nodes;
7697 programStats.moves_left = mvleft;
7698 programStats.nr_moves = mvtot;
7699 strcpy(programStats.move_name, mvname);
7700 programStats.ok_to_send = 1;
7701 programStats.movelist[0] = '\0';
7703 SendProgramStatsToFrontend( cps, &programStats );
7707 } else if (strncmp(message,"++",2) == 0) {
7708 /* Crafty 9.29+ outputs this */
7709 programStats.got_fail = 2;
7712 } else if (strncmp(message,"--",2) == 0) {
7713 /* Crafty 9.29+ outputs this */
7714 programStats.got_fail = 1;
7717 } else if (thinkOutput[0] != NULLCHAR &&
7718 strncmp(message, " ", 4) == 0) {
7719 unsigned message_len;
7722 while (*p && *p == ' ') p++;
7724 message_len = strlen( p );
7726 /* [AS] Avoid buffer overflow */
7727 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
7728 strcat(thinkOutput, " ");
7729 strcat(thinkOutput, p);
7732 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
7733 strcat(programStats.movelist, " ");
7734 strcat(programStats.movelist, p);
7737 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
7738 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7739 DisplayMove(currentMove - 1);
7747 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7748 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
7750 ChessProgramStats cpstats;
7752 if (plyext != ' ' && plyext != '\t') {
7756 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7757 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
7758 curscore = -curscore;
7761 cpstats.depth = plylev;
7762 cpstats.nodes = nodes;
7763 cpstats.time = time;
7764 cpstats.score = curscore;
7765 cpstats.got_only_move = 0;
7766 cpstats.movelist[0] = '\0';
7768 if (buf1[0] != NULLCHAR) {
7769 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist) );
7772 cpstats.ok_to_send = 0;
7773 cpstats.line_is_book = 0;
7774 cpstats.nr_moves = 0;
7775 cpstats.moves_left = 0;
7777 SendProgramStatsToFrontend( cps, &cpstats );
7784 /* Parse a game score from the character string "game", and
7785 record it as the history of the current game. The game
7786 score is NOT assumed to start from the standard position.
7787 The display is not updated in any way.
7790 ParseGameHistory(game)
7794 int fromX, fromY, toX, toY, boardIndex;
7799 if (appData.debugMode)
7800 fprintf(debugFP, "Parsing game history: %s\n", game);
7802 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
7803 gameInfo.site = StrSave(appData.icsHost);
7804 gameInfo.date = PGNDate();
7805 gameInfo.round = StrSave("-");
7807 /* Parse out names of players */
7808 while (*game == ' ') game++;
7810 while (*game != ' ') *p++ = *game++;
7812 gameInfo.white = StrSave(buf);
7813 while (*game == ' ') game++;
7815 while (*game != ' ' && *game != '\n') *p++ = *game++;
7817 gameInfo.black = StrSave(buf);
7820 boardIndex = blackPlaysFirst ? 1 : 0;
7823 yyboardindex = boardIndex;
7824 moveType = (ChessMove) yylex();
7826 case IllegalMove: /* maybe suicide chess, etc. */
7827 if (appData.debugMode) {
7828 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
7829 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
7830 setbuf(debugFP, NULL);
7832 case WhitePromotionChancellor:
7833 case BlackPromotionChancellor:
7834 case WhitePromotionArchbishop:
7835 case BlackPromotionArchbishop:
7836 case WhitePromotionQueen:
7837 case BlackPromotionQueen:
7838 case WhitePromotionRook:
7839 case BlackPromotionRook:
7840 case WhitePromotionBishop:
7841 case BlackPromotionBishop:
7842 case WhitePromotionKnight:
7843 case BlackPromotionKnight:
7844 case WhitePromotionKing:
7845 case BlackPromotionKing:
7847 case WhiteCapturesEnPassant:
7848 case BlackCapturesEnPassant:
7849 case WhiteKingSideCastle:
7850 case WhiteQueenSideCastle:
7851 case BlackKingSideCastle:
7852 case BlackQueenSideCastle:
7853 case WhiteKingSideCastleWild:
7854 case WhiteQueenSideCastleWild:
7855 case BlackKingSideCastleWild:
7856 case BlackQueenSideCastleWild:
7858 case WhiteHSideCastleFR:
7859 case WhiteASideCastleFR:
7860 case BlackHSideCastleFR:
7861 case BlackASideCastleFR:
7863 fromX = currentMoveString[0] - AAA;
7864 fromY = currentMoveString[1] - ONE;
7865 toX = currentMoveString[2] - AAA;
7866 toY = currentMoveString[3] - ONE;
7867 promoChar = currentMoveString[4];
7871 fromX = moveType == WhiteDrop ?
7872 (int) CharToPiece(ToUpper(currentMoveString[0])) :
7873 (int) CharToPiece(ToLower(currentMoveString[0]));
7875 toX = currentMoveString[2] - AAA;
7876 toY = currentMoveString[3] - ONE;
7877 promoChar = NULLCHAR;
7881 sprintf(buf, _("Ambiguous move in ICS output: \"%s\""), yy_text);
7882 if (appData.debugMode) {
7883 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
7884 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
7885 setbuf(debugFP, NULL);
7887 DisplayError(buf, 0);
7889 case ImpossibleMove:
7891 sprintf(buf, _("Illegal move in ICS output: \"%s\""), yy_text);
7892 if (appData.debugMode) {
7893 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
7894 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
7895 setbuf(debugFP, NULL);
7897 DisplayError(buf, 0);
7899 case (ChessMove) 0: /* end of file */
7900 if (boardIndex < backwardMostMove) {
7901 /* Oops, gap. How did that happen? */
7902 DisplayError(_("Gap in move list"), 0);
7905 backwardMostMove = blackPlaysFirst ? 1 : 0;
7906 if (boardIndex > forwardMostMove) {
7907 forwardMostMove = boardIndex;
7911 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
7912 strcat(parseList[boardIndex-1], " ");
7913 strcat(parseList[boardIndex-1], yy_text);
7925 case GameUnfinished:
7926 if (gameMode == IcsExamining) {
7927 if (boardIndex < backwardMostMove) {
7928 /* Oops, gap. How did that happen? */
7931 backwardMostMove = blackPlaysFirst ? 1 : 0;
7934 gameInfo.result = moveType;
7935 p = strchr(yy_text, '{');
7936 if (p == NULL) p = strchr(yy_text, '(');
7939 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
7941 q = strchr(p, *p == '{' ? '}' : ')');
7942 if (q != NULL) *q = NULLCHAR;
7945 gameInfo.resultDetails = StrSave(p);
7948 if (boardIndex >= forwardMostMove &&
7949 !(gameMode == IcsObserving && ics_gamenum == -1)) {
7950 backwardMostMove = blackPlaysFirst ? 1 : 0;
7953 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
7954 fromY, fromX, toY, toX, promoChar,
7955 parseList[boardIndex]);
7956 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
7957 /* currentMoveString is set as a side-effect of yylex */
7958 strcpy(moveList[boardIndex], currentMoveString);
7959 strcat(moveList[boardIndex], "\n");
7961 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
7962 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
7968 if(gameInfo.variant != VariantShogi)
7969 strcat(parseList[boardIndex - 1], "+");
7973 strcat(parseList[boardIndex - 1], "#");
7980 /* Apply a move to the given board */
7982 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
7983 int fromX, fromY, toX, toY;
7987 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
7988 int promoRank = gameInfo.variant == VariantMakruk ? 3 : 1;
7990 /* [HGM] compute & store e.p. status and castling rights for new position */
7991 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
7994 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
7995 oldEP = (signed char)board[EP_STATUS];
7996 board[EP_STATUS] = EP_NONE;
7998 if( board[toY][toX] != EmptySquare )
7999 board[EP_STATUS] = EP_CAPTURE;
8001 if( board[fromY][fromX] == WhitePawn ) {
8002 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8003 board[EP_STATUS] = EP_PAWN_MOVE;
8005 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
8006 gameInfo.variant != VariantBerolina || toX < fromX)
8007 board[EP_STATUS] = toX | berolina;
8008 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
8009 gameInfo.variant != VariantBerolina || toX > fromX)
8010 board[EP_STATUS] = toX;
8013 if( board[fromY][fromX] == BlackPawn ) {
8014 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8015 board[EP_STATUS] = EP_PAWN_MOVE;
8016 if( toY-fromY== -2) {
8017 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
8018 gameInfo.variant != VariantBerolina || toX < fromX)
8019 board[EP_STATUS] = toX | berolina;
8020 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
8021 gameInfo.variant != VariantBerolina || toX > fromX)
8022 board[EP_STATUS] = toX;
8026 for(i=0; i<nrCastlingRights; i++) {
8027 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
8028 board[CASTLING][i] == toX && castlingRank[i] == toY
8029 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
8034 /* [HGM] In Shatranj and Courier all promotions are to Ferz */
8035 if((gameInfo.variant==VariantShatranj || gameInfo.variant==VariantCourier || gameInfo.variant == VariantMakruk)
8036 && promoChar != 0) promoChar = PieceToChar(WhiteFerz);
8038 if (fromX == toX && fromY == toY) return;
8040 if (fromY == DROP_RANK) {
8042 piece = board[toY][toX] = (ChessSquare) fromX;
8044 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
8045 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
8046 if(gameInfo.variant == VariantKnightmate)
8047 king += (int) WhiteUnicorn - (int) WhiteKing;
8049 /* Code added by Tord: */
8050 /* FRC castling assumed when king captures friendly rook. */
8051 if (board[fromY][fromX] == WhiteKing &&
8052 board[toY][toX] == WhiteRook) {
8053 board[fromY][fromX] = EmptySquare;
8054 board[toY][toX] = EmptySquare;
8056 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
8058 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
8060 } else if (board[fromY][fromX] == BlackKing &&
8061 board[toY][toX] == BlackRook) {
8062 board[fromY][fromX] = EmptySquare;
8063 board[toY][toX] = EmptySquare;
8065 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
8067 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
8069 /* End of code added by Tord */
8071 } else if (board[fromY][fromX] == king
8072 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8073 && toY == fromY && toX > fromX+1) {
8074 board[fromY][fromX] = EmptySquare;
8075 board[toY][toX] = king;
8076 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8077 board[fromY][BOARD_RGHT-1] = EmptySquare;
8078 } else if (board[fromY][fromX] == king
8079 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8080 && toY == fromY && toX < fromX-1) {
8081 board[fromY][fromX] = EmptySquare;
8082 board[toY][toX] = king;
8083 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8084 board[fromY][BOARD_LEFT] = EmptySquare;
8085 } else if (board[fromY][fromX] == WhitePawn
8086 && toY >= BOARD_HEIGHT-promoRank
8087 && gameInfo.variant != VariantXiangqi
8089 /* white pawn promotion */
8090 board[toY][toX] = CharToPiece(ToUpper(promoChar));
8091 if (board[toY][toX] == EmptySquare) {
8092 board[toY][toX] = WhiteQueen;
8094 if(gameInfo.variant==VariantBughouse ||
8095 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8096 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8097 board[fromY][fromX] = EmptySquare;
8098 } else if ((fromY == BOARD_HEIGHT-4)
8100 && gameInfo.variant != VariantXiangqi
8101 && gameInfo.variant != VariantBerolina
8102 && (board[fromY][fromX] == WhitePawn)
8103 && (board[toY][toX] == EmptySquare)) {
8104 board[fromY][fromX] = EmptySquare;
8105 board[toY][toX] = WhitePawn;
8106 captured = board[toY - 1][toX];
8107 board[toY - 1][toX] = EmptySquare;
8108 } else if ((fromY == BOARD_HEIGHT-4)
8110 && gameInfo.variant == VariantBerolina
8111 && (board[fromY][fromX] == WhitePawn)
8112 && (board[toY][toX] == EmptySquare)) {
8113 board[fromY][fromX] = EmptySquare;
8114 board[toY][toX] = WhitePawn;
8115 if(oldEP & EP_BEROLIN_A) {
8116 captured = board[fromY][fromX-1];
8117 board[fromY][fromX-1] = EmptySquare;
8118 }else{ captured = board[fromY][fromX+1];
8119 board[fromY][fromX+1] = EmptySquare;
8121 } else if (board[fromY][fromX] == king
8122 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8123 && toY == fromY && toX > fromX+1) {
8124 board[fromY][fromX] = EmptySquare;
8125 board[toY][toX] = king;
8126 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8127 board[fromY][BOARD_RGHT-1] = EmptySquare;
8128 } else if (board[fromY][fromX] == king
8129 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8130 && toY == fromY && toX < fromX-1) {
8131 board[fromY][fromX] = EmptySquare;
8132 board[toY][toX] = king;
8133 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8134 board[fromY][BOARD_LEFT] = EmptySquare;
8135 } else if (fromY == 7 && fromX == 3
8136 && board[fromY][fromX] == BlackKing
8137 && toY == 7 && toX == 5) {
8138 board[fromY][fromX] = EmptySquare;
8139 board[toY][toX] = BlackKing;
8140 board[fromY][7] = EmptySquare;
8141 board[toY][4] = BlackRook;
8142 } else if (fromY == 7 && fromX == 3
8143 && board[fromY][fromX] == BlackKing
8144 && toY == 7 && toX == 1) {
8145 board[fromY][fromX] = EmptySquare;
8146 board[toY][toX] = BlackKing;
8147 board[fromY][0] = EmptySquare;
8148 board[toY][2] = BlackRook;
8149 } else if (board[fromY][fromX] == BlackPawn
8151 && gameInfo.variant != VariantXiangqi
8153 /* black pawn promotion */
8154 board[toY][toX] = CharToPiece(ToLower(promoChar));
8155 if (board[toY][toX] == EmptySquare) {
8156 board[toY][toX] = BlackQueen;
8158 if(gameInfo.variant==VariantBughouse ||
8159 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8160 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8161 board[fromY][fromX] = EmptySquare;
8162 } else if ((fromY == 3)
8164 && gameInfo.variant != VariantXiangqi
8165 && gameInfo.variant != VariantBerolina
8166 && (board[fromY][fromX] == BlackPawn)
8167 && (board[toY][toX] == EmptySquare)) {
8168 board[fromY][fromX] = EmptySquare;
8169 board[toY][toX] = BlackPawn;
8170 captured = board[toY + 1][toX];
8171 board[toY + 1][toX] = EmptySquare;
8172 } else if ((fromY == 3)
8174 && gameInfo.variant == VariantBerolina
8175 && (board[fromY][fromX] == BlackPawn)
8176 && (board[toY][toX] == EmptySquare)) {
8177 board[fromY][fromX] = EmptySquare;
8178 board[toY][toX] = BlackPawn;
8179 if(oldEP & EP_BEROLIN_A) {
8180 captured = board[fromY][fromX-1];
8181 board[fromY][fromX-1] = EmptySquare;
8182 }else{ captured = board[fromY][fromX+1];
8183 board[fromY][fromX+1] = EmptySquare;
8186 board[toY][toX] = board[fromY][fromX];
8187 board[fromY][fromX] = EmptySquare;
8190 /* [HGM] now we promote for Shogi, if needed */
8191 if(gameInfo.variant == VariantShogi && promoChar == 'q')
8192 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8195 if (gameInfo.holdingsWidth != 0) {
8197 /* !!A lot more code needs to be written to support holdings */
8198 /* [HGM] OK, so I have written it. Holdings are stored in the */
8199 /* penultimate board files, so they are automaticlly stored */
8200 /* in the game history. */
8201 if (fromY == DROP_RANK) {
8202 /* Delete from holdings, by decreasing count */
8203 /* and erasing image if necessary */
8205 if(p < (int) BlackPawn) { /* white drop */
8206 p -= (int)WhitePawn;
8207 p = PieceToNumber((ChessSquare)p);
8208 if(p >= gameInfo.holdingsSize) p = 0;
8209 if(--board[p][BOARD_WIDTH-2] <= 0)
8210 board[p][BOARD_WIDTH-1] = EmptySquare;
8211 if((int)board[p][BOARD_WIDTH-2] < 0)
8212 board[p][BOARD_WIDTH-2] = 0;
8213 } else { /* black drop */
8214 p -= (int)BlackPawn;
8215 p = PieceToNumber((ChessSquare)p);
8216 if(p >= gameInfo.holdingsSize) p = 0;
8217 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
8218 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
8219 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
8220 board[BOARD_HEIGHT-1-p][1] = 0;
8223 if (captured != EmptySquare && gameInfo.holdingsSize > 0
8224 && gameInfo.variant != VariantBughouse ) {
8225 /* [HGM] holdings: Add to holdings, if holdings exist */
8226 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
8227 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
8228 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
8231 if (p >= (int) BlackPawn) {
8232 p -= (int)BlackPawn;
8233 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8234 /* in Shogi restore piece to its original first */
8235 captured = (ChessSquare) (DEMOTED captured);
8238 p = PieceToNumber((ChessSquare)p);
8239 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
8240 board[p][BOARD_WIDTH-2]++;
8241 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
8243 p -= (int)WhitePawn;
8244 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8245 captured = (ChessSquare) (DEMOTED captured);
8248 p = PieceToNumber((ChessSquare)p);
8249 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
8250 board[BOARD_HEIGHT-1-p][1]++;
8251 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
8254 } else if (gameInfo.variant == VariantAtomic) {
8255 if (captured != EmptySquare) {
8257 for (y = toY-1; y <= toY+1; y++) {
8258 for (x = toX-1; x <= toX+1; x++) {
8259 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
8260 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
8261 board[y][x] = EmptySquare;
8265 board[toY][toX] = EmptySquare;
8268 if(gameInfo.variant == VariantShogi && promoChar != NULLCHAR && promoChar != '=') {
8269 /* [HGM] Shogi promotions */
8270 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8273 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8274 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
8275 // [HGM] superchess: take promotion piece out of holdings
8276 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
8277 if((int)piece < (int)BlackPawn) { // determine stm from piece color
8278 if(!--board[k][BOARD_WIDTH-2])
8279 board[k][BOARD_WIDTH-1] = EmptySquare;
8281 if(!--board[BOARD_HEIGHT-1-k][1])
8282 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
8288 /* Updates forwardMostMove */
8290 MakeMove(fromX, fromY, toX, toY, promoChar)
8291 int fromX, fromY, toX, toY;
8294 // forwardMostMove++; // [HGM] bare: moved downstream
8296 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
8297 int timeLeft; static int lastLoadFlag=0; int king, piece;
8298 piece = boards[forwardMostMove][fromY][fromX];
8299 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
8300 if(gameInfo.variant == VariantKnightmate)
8301 king += (int) WhiteUnicorn - (int) WhiteKing;
8302 if(forwardMostMove == 0) {
8304 fprintf(serverMoves, "%s;", second.tidy);
8305 fprintf(serverMoves, "%s;", first.tidy);
8306 if(!blackPlaysFirst)
8307 fprintf(serverMoves, "%s;", second.tidy);
8308 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
8309 lastLoadFlag = loadFlag;
8311 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
8312 // print castling suffix
8313 if( toY == fromY && piece == king ) {
8315 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
8317 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
8320 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
8321 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
8322 boards[forwardMostMove][toY][toX] == EmptySquare
8324 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
8326 if(promoChar != NULLCHAR)
8327 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
8329 fprintf(serverMoves, "/%d/%d",
8330 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
8331 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
8332 else timeLeft = blackTimeRemaining/1000;
8333 fprintf(serverMoves, "/%d", timeLeft);
8335 fflush(serverMoves);
8338 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
8339 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
8343 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
8344 if (commentList[forwardMostMove+1] != NULL) {
8345 free(commentList[forwardMostMove+1]);
8346 commentList[forwardMostMove+1] = NULL;
8348 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8349 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
8350 forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
8351 SwitchClocks(); // uses forwardMostMove, so must be done after incrementing it !
8352 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
8353 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
8354 gameInfo.result = GameUnfinished;
8355 if (gameInfo.resultDetails != NULL) {
8356 free(gameInfo.resultDetails);
8357 gameInfo.resultDetails = NULL;
8359 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
8360 moveList[forwardMostMove - 1]);
8361 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
8362 PosFlags(forwardMostMove - 1),
8363 fromY, fromX, toY, toX, promoChar,
8364 parseList[forwardMostMove - 1]);
8365 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8371 if(gameInfo.variant != VariantShogi)
8372 strcat(parseList[forwardMostMove - 1], "+");
8376 strcat(parseList[forwardMostMove - 1], "#");
8379 if (appData.debugMode) {
8380 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
8385 /* Updates currentMove if not pausing */
8387 ShowMove(fromX, fromY, toX, toY)
8389 int instant = (gameMode == PlayFromGameFile) ?
8390 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
8391 if(appData.noGUI) return;
8392 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
8394 if (forwardMostMove == currentMove + 1) {
8395 AnimateMove(boards[forwardMostMove - 1],
8396 fromX, fromY, toX, toY);
8398 if (appData.highlightLastMove) {
8399 SetHighlights(fromX, fromY, toX, toY);
8402 currentMove = forwardMostMove;
8405 if (instant) return;
8407 DisplayMove(currentMove - 1);
8408 DrawPosition(FALSE, boards[currentMove]);
8409 DisplayBothClocks();
8410 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
8413 void SendEgtPath(ChessProgramState *cps)
8414 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
8415 char buf[MSG_SIZ], name[MSG_SIZ], *p;
8417 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
8420 char c, *q = name+1, *r, *s;
8422 name[0] = ','; // extract next format name from feature and copy with prefixed ','
8423 while(*p && *p != ',') *q++ = *p++;
8425 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
8426 strcmp(name, ",nalimov:") == 0 ) {
8427 // take nalimov path from the menu-changeable option first, if it is defined
8428 sprintf(buf, "egtpath nalimov %s\n", appData.defaultPathEGTB);
8429 SendToProgram(buf,cps); // send egtbpath command for nalimov
8431 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
8432 (s = StrStr(appData.egtFormats, name)) != NULL) {
8433 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
8434 s = r = StrStr(s, ":") + 1; // beginning of path info
8435 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
8436 c = *r; *r = 0; // temporarily null-terminate path info
8437 *--q = 0; // strip of trailig ':' from name
8438 sprintf(buf, "egtpath %s %s\n", name+1, s);
8440 SendToProgram(buf,cps); // send egtbpath command for this format
8442 if(*p == ',') p++; // read away comma to position for next format name
8447 InitChessProgram(cps, setup)
8448 ChessProgramState *cps;
8449 int setup; /* [HGM] needed to setup FRC opening position */
8451 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
8452 if (appData.noChessProgram) return;
8453 hintRequested = FALSE;
8454 bookRequested = FALSE;
8456 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
8457 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
8458 if(cps->memSize) { /* [HGM] memory */
8459 sprintf(buf, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
8460 SendToProgram(buf, cps);
8462 SendEgtPath(cps); /* [HGM] EGT */
8463 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
8464 sprintf(buf, "cores %d\n", appData.smpCores);
8465 SendToProgram(buf, cps);
8468 SendToProgram(cps->initString, cps);
8469 if (gameInfo.variant != VariantNormal &&
8470 gameInfo.variant != VariantLoadable
8471 /* [HGM] also send variant if board size non-standard */
8472 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
8474 char *v = VariantName(gameInfo.variant);
8475 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
8476 /* [HGM] in protocol 1 we have to assume all variants valid */
8477 sprintf(buf, _("Variant %s not supported by %s"), v, cps->tidy);
8478 DisplayFatalError(buf, 0, 1);
8482 /* [HGM] make prefix for non-standard board size. Awkward testing... */
8483 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8484 if( gameInfo.variant == VariantXiangqi )
8485 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
8486 if( gameInfo.variant == VariantShogi )
8487 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
8488 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
8489 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
8490 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
8491 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
8492 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8493 if( gameInfo.variant == VariantCourier )
8494 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8495 if( gameInfo.variant == VariantSuper )
8496 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8497 if( gameInfo.variant == VariantGreat )
8498 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8501 sprintf(b, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
8502 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
8503 /* [HGM] varsize: try first if this defiant size variant is specifically known */
8504 if(StrStr(cps->variants, b) == NULL) {
8505 // specific sized variant not known, check if general sizing allowed
8506 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
8507 if(StrStr(cps->variants, "boardsize") == NULL) {
8508 sprintf(buf, "Board size %dx%d+%d not supported by %s",
8509 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
8510 DisplayFatalError(buf, 0, 1);
8513 /* [HGM] here we really should compare with the maximum supported board size */
8516 } else sprintf(b, "%s", VariantName(gameInfo.variant));
8517 sprintf(buf, "variant %s\n", b);
8518 SendToProgram(buf, cps);
8520 currentlyInitializedVariant = gameInfo.variant;
8522 /* [HGM] send opening position in FRC to first engine */
8524 SendToProgram("force\n", cps);
8526 /* engine is now in force mode! Set flag to wake it up after first move. */
8527 setboardSpoiledMachineBlack = 1;
8531 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
8532 SendToProgram(buf, cps);
8534 cps->maybeThinking = FALSE;
8535 cps->offeredDraw = 0;
8536 if (!appData.icsActive) {
8537 SendTimeControl(cps, movesPerSession, timeControl,
8538 timeIncrement, appData.searchDepth,
8541 if (appData.showThinking
8542 // [HGM] thinking: four options require thinking output to be sent
8543 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8545 SendToProgram("post\n", cps);
8547 SendToProgram("hard\n", cps);
8548 if (!appData.ponderNextMove) {
8549 /* Warning: "easy" is a toggle in GNU Chess, so don't send
8550 it without being sure what state we are in first. "hard"
8551 is not a toggle, so that one is OK.
8553 SendToProgram("easy\n", cps);
8556 sprintf(buf, "ping %d\n", ++cps->lastPing);
8557 SendToProgram(buf, cps);
8559 cps->initDone = TRUE;
8564 StartChessProgram(cps)
8565 ChessProgramState *cps;
8570 if (appData.noChessProgram) return;
8571 cps->initDone = FALSE;
8573 if (strcmp(cps->host, "localhost") == 0) {
8574 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
8575 } else if (*appData.remoteShell == NULLCHAR) {
8576 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
8578 if (*appData.remoteUser == NULLCHAR) {
8579 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
8582 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
8583 cps->host, appData.remoteUser, cps->program);
8585 err = StartChildProcess(buf, "", &cps->pr);
8589 sprintf(buf, _("Startup failure on '%s'"), cps->program);
8590 DisplayFatalError(buf, err, 1);
8596 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
8597 if (cps->protocolVersion > 1) {
8598 sprintf(buf, "xboard\nprotover %d\n", cps->protocolVersion);
8599 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
8600 cps->comboCnt = 0; // and values of combo boxes
8601 SendToProgram(buf, cps);
8603 SendToProgram("xboard\n", cps);
8609 TwoMachinesEventIfReady P((void))
8611 if (first.lastPing != first.lastPong) {
8612 DisplayMessage("", _("Waiting for first chess program"));
8613 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8616 if (second.lastPing != second.lastPong) {
8617 DisplayMessage("", _("Waiting for second chess program"));
8618 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8626 NextMatchGame P((void))
8628 int index; /* [HGM] autoinc: step load index during match */
8630 if (*appData.loadGameFile != NULLCHAR) {
8631 index = appData.loadGameIndex;
8632 if(index < 0) { // [HGM] autoinc
8633 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8634 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8636 LoadGameFromFile(appData.loadGameFile,
8638 appData.loadGameFile, FALSE);
8639 } else if (*appData.loadPositionFile != NULLCHAR) {
8640 index = appData.loadPositionIndex;
8641 if(index < 0) { // [HGM] autoinc
8642 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8643 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8645 LoadPositionFromFile(appData.loadPositionFile,
8647 appData.loadPositionFile);
8649 TwoMachinesEventIfReady();
8652 void UserAdjudicationEvent( int result )
8654 ChessMove gameResult = GameIsDrawn;
8657 gameResult = WhiteWins;
8659 else if( result < 0 ) {
8660 gameResult = BlackWins;
8663 if( gameMode == TwoMachinesPlay ) {
8664 GameEnds( gameResult, "User adjudication", GE_XBOARD );
8669 // [HGM] save: calculate checksum of game to make games easily identifiable
8670 int StringCheckSum(char *s)
8673 if(s==NULL) return 0;
8674 while(*s) i = i*259 + *s++;
8681 for(i=backwardMostMove; i<forwardMostMove; i++) {
8682 sum += pvInfoList[i].depth;
8683 sum += StringCheckSum(parseList[i]);
8684 sum += StringCheckSum(commentList[i]);
8687 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
8688 return sum + StringCheckSum(commentList[i]);
8689 } // end of save patch
8692 GameEnds(result, resultDetails, whosays)
8694 char *resultDetails;
8697 GameMode nextGameMode;
8701 if(endingGame) return; /* [HGM] crash: forbid recursion */
8704 if (appData.debugMode) {
8705 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
8706 result, resultDetails ? resultDetails : "(null)", whosays);
8709 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
8710 /* If we are playing on ICS, the server decides when the
8711 game is over, but the engine can offer to draw, claim
8715 if (appData.zippyPlay && first.initDone) {
8716 if (result == GameIsDrawn) {
8717 /* In case draw still needs to be claimed */
8718 SendToICS(ics_prefix);
8719 SendToICS("draw\n");
8720 } else if (StrCaseStr(resultDetails, "resign")) {
8721 SendToICS(ics_prefix);
8722 SendToICS("resign\n");
8726 endingGame = 0; /* [HGM] crash */
8730 /* If we're loading the game from a file, stop */
8731 if (whosays == GE_FILE) {
8732 (void) StopLoadGameTimer();
8736 /* Cancel draw offers */
8737 first.offeredDraw = second.offeredDraw = 0;
8739 /* If this is an ICS game, only ICS can really say it's done;
8740 if not, anyone can. */
8741 isIcsGame = (gameMode == IcsPlayingWhite ||
8742 gameMode == IcsPlayingBlack ||
8743 gameMode == IcsObserving ||
8744 gameMode == IcsExamining);
8746 if (!isIcsGame || whosays == GE_ICS) {
8747 /* OK -- not an ICS game, or ICS said it was done */
8749 if (!isIcsGame && !appData.noChessProgram)
8750 SetUserThinkingEnables();
8752 /* [HGM] if a machine claims the game end we verify this claim */
8753 if(gameMode == TwoMachinesPlay && appData.testClaims) {
8754 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
8756 ChessMove trueResult = (ChessMove) -1;
8758 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
8759 first.twoMachinesColor[0] :
8760 second.twoMachinesColor[0] ;
8762 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
8763 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
8764 /* [HGM] verify: engine mate claims accepted if they were flagged */
8765 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
8767 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
8768 /* [HGM] verify: engine mate claims accepted if they were flagged */
8769 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8771 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
8772 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
8775 // now verify win claims, but not in drop games, as we don't understand those yet
8776 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
8777 || gameInfo.variant == VariantGreat) &&
8778 (result == WhiteWins && claimer == 'w' ||
8779 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
8780 if (appData.debugMode) {
8781 fprintf(debugFP, "result=%d sp=%d move=%d\n",
8782 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
8784 if(result != trueResult) {
8785 sprintf(buf, "False win claim: '%s'", resultDetails);
8786 result = claimer == 'w' ? BlackWins : WhiteWins;
8787 resultDetails = buf;
8790 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
8791 && (forwardMostMove <= backwardMostMove ||
8792 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
8793 (claimer=='b')==(forwardMostMove&1))
8795 /* [HGM] verify: draws that were not flagged are false claims */
8796 sprintf(buf, "False draw claim: '%s'", resultDetails);
8797 result = claimer == 'w' ? BlackWins : WhiteWins;
8798 resultDetails = buf;
8800 /* (Claiming a loss is accepted no questions asked!) */
8802 /* [HGM] bare: don't allow bare King to win */
8803 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8804 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
8805 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
8806 && result != GameIsDrawn)
8807 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
8808 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
8809 int p = (signed char)boards[forwardMostMove][i][j] - color;
8810 if(p >= 0 && p <= (int)WhiteKing) k++;
8812 if (appData.debugMode) {
8813 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
8814 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
8817 result = GameIsDrawn;
8818 sprintf(buf, "%s but bare king", resultDetails);
8819 resultDetails = buf;
8825 if(serverMoves != NULL && !loadFlag) { char c = '=';
8826 if(result==WhiteWins) c = '+';
8827 if(result==BlackWins) c = '-';
8828 if(resultDetails != NULL)
8829 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
8831 if (resultDetails != NULL) {
8832 gameInfo.result = result;
8833 gameInfo.resultDetails = StrSave(resultDetails);
8835 /* display last move only if game was not loaded from file */
8836 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
8837 DisplayMove(currentMove - 1);
8839 if (forwardMostMove != 0) {
8840 if (gameMode != PlayFromGameFile && gameMode != EditGame
8841 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
8843 if (*appData.saveGameFile != NULLCHAR) {
8844 SaveGameToFile(appData.saveGameFile, TRUE);
8845 } else if (appData.autoSaveGames) {
8848 if (*appData.savePositionFile != NULLCHAR) {
8849 SavePositionToFile(appData.savePositionFile);
8854 /* Tell program how game ended in case it is learning */
8855 /* [HGM] Moved this to after saving the PGN, just in case */
8856 /* engine died and we got here through time loss. In that */
8857 /* case we will get a fatal error writing the pipe, which */
8858 /* would otherwise lose us the PGN. */
8859 /* [HGM] crash: not needed anymore, but doesn't hurt; */
8860 /* output during GameEnds should never be fatal anymore */
8861 if (gameMode == MachinePlaysWhite ||
8862 gameMode == MachinePlaysBlack ||
8863 gameMode == TwoMachinesPlay ||
8864 gameMode == IcsPlayingWhite ||
8865 gameMode == IcsPlayingBlack ||
8866 gameMode == BeginningOfGame) {
8868 sprintf(buf, "result %s {%s}\n", PGNResult(result),
8870 if (first.pr != NoProc) {
8871 SendToProgram(buf, &first);
8873 if (second.pr != NoProc &&
8874 gameMode == TwoMachinesPlay) {
8875 SendToProgram(buf, &second);
8880 if (appData.icsActive) {
8881 if (appData.quietPlay &&
8882 (gameMode == IcsPlayingWhite ||
8883 gameMode == IcsPlayingBlack)) {
8884 SendToICS(ics_prefix);
8885 SendToICS("set shout 1\n");
8887 nextGameMode = IcsIdle;
8888 ics_user_moved = FALSE;
8889 /* clean up premove. It's ugly when the game has ended and the
8890 * premove highlights are still on the board.
8894 ClearPremoveHighlights();
8895 DrawPosition(FALSE, boards[currentMove]);
8897 if (whosays == GE_ICS) {
8900 if (gameMode == IcsPlayingWhite)
8902 else if(gameMode == IcsPlayingBlack)
8906 if (gameMode == IcsPlayingBlack)
8908 else if(gameMode == IcsPlayingWhite)
8915 PlayIcsUnfinishedSound();
8918 } else if (gameMode == EditGame ||
8919 gameMode == PlayFromGameFile ||
8920 gameMode == AnalyzeMode ||
8921 gameMode == AnalyzeFile) {
8922 nextGameMode = gameMode;
8924 nextGameMode = EndOfGame;
8929 nextGameMode = gameMode;
8932 if (appData.noChessProgram) {
8933 gameMode = nextGameMode;
8935 endingGame = 0; /* [HGM] crash */
8940 /* Put first chess program into idle state */
8941 if (first.pr != NoProc &&
8942 (gameMode == MachinePlaysWhite ||
8943 gameMode == MachinePlaysBlack ||
8944 gameMode == TwoMachinesPlay ||
8945 gameMode == IcsPlayingWhite ||
8946 gameMode == IcsPlayingBlack ||
8947 gameMode == BeginningOfGame)) {
8948 SendToProgram("force\n", &first);
8949 if (first.usePing) {
8951 sprintf(buf, "ping %d\n", ++first.lastPing);
8952 SendToProgram(buf, &first);
8955 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
8956 /* Kill off first chess program */
8957 if (first.isr != NULL)
8958 RemoveInputSource(first.isr);
8961 if (first.pr != NoProc) {
8963 DoSleep( appData.delayBeforeQuit );
8964 SendToProgram("quit\n", &first);
8965 DoSleep( appData.delayAfterQuit );
8966 DestroyChildProcess(first.pr, first.useSigterm);
8971 /* Put second chess program into idle state */
8972 if (second.pr != NoProc &&
8973 gameMode == TwoMachinesPlay) {
8974 SendToProgram("force\n", &second);
8975 if (second.usePing) {
8977 sprintf(buf, "ping %d\n", ++second.lastPing);
8978 SendToProgram(buf, &second);
8981 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
8982 /* Kill off second chess program */
8983 if (second.isr != NULL)
8984 RemoveInputSource(second.isr);
8987 if (second.pr != NoProc) {
8988 DoSleep( appData.delayBeforeQuit );
8989 SendToProgram("quit\n", &second);
8990 DoSleep( appData.delayAfterQuit );
8991 DestroyChildProcess(second.pr, second.useSigterm);
8996 if (matchMode && gameMode == TwoMachinesPlay) {
8999 if (first.twoMachinesColor[0] == 'w') {
9006 if (first.twoMachinesColor[0] == 'b') {
9015 if (matchGame < appData.matchGames) {
9017 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
9018 tmp = first.twoMachinesColor;
9019 first.twoMachinesColor = second.twoMachinesColor;
9020 second.twoMachinesColor = tmp;
9022 gameMode = nextGameMode;
9024 if(appData.matchPause>10000 || appData.matchPause<10)
9025 appData.matchPause = 10000; /* [HGM] make pause adjustable */
9026 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
9027 endingGame = 0; /* [HGM] crash */
9031 gameMode = nextGameMode;
9032 sprintf(buf, _("Match %s vs. %s: final score %d-%d-%d"),
9033 first.tidy, second.tidy,
9034 first.matchWins, second.matchWins,
9035 appData.matchGames - (first.matchWins + second.matchWins));
9036 DisplayFatalError(buf, 0, 0);
9039 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
9040 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
9042 gameMode = nextGameMode;
9044 endingGame = 0; /* [HGM] crash */
9047 /* Assumes program was just initialized (initString sent).
9048 Leaves program in force mode. */
9050 FeedMovesToProgram(cps, upto)
9051 ChessProgramState *cps;
9056 if (appData.debugMode)
9057 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
9058 startedFromSetupPosition ? "position and " : "",
9059 backwardMostMove, upto, cps->which);
9060 if(currentlyInitializedVariant != gameInfo.variant) { char buf[MSG_SIZ];
9061 // [HGM] variantswitch: make engine aware of new variant
9062 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
9063 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
9064 sprintf(buf, "variant %s\n", VariantName(gameInfo.variant));
9065 SendToProgram(buf, cps);
9066 currentlyInitializedVariant = gameInfo.variant;
9068 SendToProgram("force\n", cps);
9069 if (startedFromSetupPosition) {
9070 SendBoard(cps, backwardMostMove);
9071 if (appData.debugMode) {
9072 fprintf(debugFP, "feedMoves\n");
9075 for (i = backwardMostMove; i < upto; i++) {
9076 SendMoveToProgram(i, cps);
9082 ResurrectChessProgram()
9084 /* The chess program may have exited.
9085 If so, restart it and feed it all the moves made so far. */
9087 if (appData.noChessProgram || first.pr != NoProc) return;
9089 StartChessProgram(&first);
9090 InitChessProgram(&first, FALSE);
9091 FeedMovesToProgram(&first, currentMove);
9093 if (!first.sendTime) {
9094 /* can't tell gnuchess what its clock should read,
9095 so we bow to its notion. */
9097 timeRemaining[0][currentMove] = whiteTimeRemaining;
9098 timeRemaining[1][currentMove] = blackTimeRemaining;
9101 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
9102 appData.icsEngineAnalyze) && first.analysisSupport) {
9103 SendToProgram("analyze\n", &first);
9104 first.analyzing = TRUE;
9117 if (appData.debugMode) {
9118 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
9119 redraw, init, gameMode);
9121 CleanupTail(); // [HGM] vari: delete any stored variations
9122 pausing = pauseExamInvalid = FALSE;
9123 startedFromSetupPosition = blackPlaysFirst = FALSE;
9125 whiteFlag = blackFlag = FALSE;
9126 userOfferedDraw = FALSE;
9127 hintRequested = bookRequested = FALSE;
9128 first.maybeThinking = FALSE;
9129 second.maybeThinking = FALSE;
9130 first.bookSuspend = FALSE; // [HGM] book
9131 second.bookSuspend = FALSE;
9132 thinkOutput[0] = NULLCHAR;
9133 lastHint[0] = NULLCHAR;
9134 ClearGameInfo(&gameInfo);
9135 gameInfo.variant = StringToVariant(appData.variant);
9136 ics_user_moved = ics_clock_paused = FALSE;
9137 ics_getting_history = H_FALSE;
9139 white_holding[0] = black_holding[0] = NULLCHAR;
9140 ClearProgramStats();
9141 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
9145 flipView = appData.flipView;
9146 ClearPremoveHighlights();
9148 alarmSounded = FALSE;
9150 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
9151 if(appData.serverMovesName != NULL) {
9152 /* [HGM] prepare to make moves file for broadcasting */
9153 clock_t t = clock();
9154 if(serverMoves != NULL) fclose(serverMoves);
9155 serverMoves = fopen(appData.serverMovesName, "r");
9156 if(serverMoves != NULL) {
9157 fclose(serverMoves);
9158 /* delay 15 sec before overwriting, so all clients can see end */
9159 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
9161 serverMoves = fopen(appData.serverMovesName, "w");
9165 gameMode = BeginningOfGame;
9167 if(appData.icsActive) gameInfo.variant = VariantNormal;
9168 currentMove = forwardMostMove = backwardMostMove = 0;
9169 InitPosition(redraw);
9170 for (i = 0; i < MAX_MOVES; i++) {
9171 if (commentList[i] != NULL) {
9172 free(commentList[i]);
9173 commentList[i] = NULL;
9177 timeRemaining[0][0] = whiteTimeRemaining;
9178 timeRemaining[1][0] = blackTimeRemaining;
9179 if (first.pr == NULL) {
9180 StartChessProgram(&first);
9183 InitChessProgram(&first, startedFromSetupPosition);
9186 DisplayMessage("", "");
9187 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9188 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
9195 if (!AutoPlayOneMove())
9197 if (matchMode || appData.timeDelay == 0)
9199 if (appData.timeDelay < 0 || gameMode == AnalyzeFile)
9201 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
9210 int fromX, fromY, toX, toY;
9212 if (appData.debugMode) {
9213 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
9216 if (gameMode != PlayFromGameFile)
9219 if (currentMove >= forwardMostMove) {
9220 gameMode = EditGame;
9223 /* [AS] Clear current move marker at the end of a game */
9224 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
9229 toX = moveList[currentMove][2] - AAA;
9230 toY = moveList[currentMove][3] - ONE;
9232 if (moveList[currentMove][1] == '@') {
9233 if (appData.highlightLastMove) {
9234 SetHighlights(-1, -1, toX, toY);
9237 fromX = moveList[currentMove][0] - AAA;
9238 fromY = moveList[currentMove][1] - ONE;
9240 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
9242 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
9244 if (appData.highlightLastMove) {
9245 SetHighlights(fromX, fromY, toX, toY);
9248 DisplayMove(currentMove);
9249 SendMoveToProgram(currentMove++, &first);
9250 DisplayBothClocks();
9251 DrawPosition(FALSE, boards[currentMove]);
9252 // [HGM] PV info: always display, routine tests if empty
9253 DisplayComment(currentMove - 1, commentList[currentMove]);
9259 LoadGameOneMove(readAhead)
9260 ChessMove readAhead;
9262 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
9263 char promoChar = NULLCHAR;
9268 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
9269 gameMode != AnalyzeMode && gameMode != Training) {
9274 yyboardindex = forwardMostMove;
9275 if (readAhead != (ChessMove)0) {
9276 moveType = readAhead;
9278 if (gameFileFP == NULL)
9280 moveType = (ChessMove) yylex();
9286 if (appData.debugMode)
9287 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9290 /* append the comment but don't display it */
9291 AppendComment(currentMove, p, FALSE);
9294 case WhiteCapturesEnPassant:
9295 case BlackCapturesEnPassant:
9296 case WhitePromotionChancellor:
9297 case BlackPromotionChancellor:
9298 case WhitePromotionArchbishop:
9299 case BlackPromotionArchbishop:
9300 case WhitePromotionCentaur:
9301 case BlackPromotionCentaur:
9302 case WhitePromotionQueen:
9303 case BlackPromotionQueen:
9304 case WhitePromotionRook:
9305 case BlackPromotionRook:
9306 case WhitePromotionBishop:
9307 case BlackPromotionBishop:
9308 case WhitePromotionKnight:
9309 case BlackPromotionKnight:
9310 case WhitePromotionKing:
9311 case BlackPromotionKing:
9313 case WhiteKingSideCastle:
9314 case WhiteQueenSideCastle:
9315 case BlackKingSideCastle:
9316 case BlackQueenSideCastle:
9317 case WhiteKingSideCastleWild:
9318 case WhiteQueenSideCastleWild:
9319 case BlackKingSideCastleWild:
9320 case BlackQueenSideCastleWild:
9322 case WhiteHSideCastleFR:
9323 case WhiteASideCastleFR:
9324 case BlackHSideCastleFR:
9325 case BlackASideCastleFR:
9327 if (appData.debugMode)
9328 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9329 fromX = currentMoveString[0] - AAA;
9330 fromY = currentMoveString[1] - ONE;
9331 toX = currentMoveString[2] - AAA;
9332 toY = currentMoveString[3] - ONE;
9333 promoChar = currentMoveString[4];
9338 if (appData.debugMode)
9339 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9340 fromX = moveType == WhiteDrop ?
9341 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9342 (int) CharToPiece(ToLower(currentMoveString[0]));
9344 toX = currentMoveString[2] - AAA;
9345 toY = currentMoveString[3] - ONE;
9351 case GameUnfinished:
9352 if (appData.debugMode)
9353 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
9354 p = strchr(yy_text, '{');
9355 if (p == NULL) p = strchr(yy_text, '(');
9358 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9360 q = strchr(p, *p == '{' ? '}' : ')');
9361 if (q != NULL) *q = NULLCHAR;
9364 GameEnds(moveType, p, GE_FILE);
9366 if (cmailMsgLoaded) {
9368 flipView = WhiteOnMove(currentMove);
9369 if (moveType == GameUnfinished) flipView = !flipView;
9370 if (appData.debugMode)
9371 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
9375 case (ChessMove) 0: /* end of file */
9376 if (appData.debugMode)
9377 fprintf(debugFP, "Parser hit end of file\n");
9378 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9384 if (WhiteOnMove(currentMove)) {
9385 GameEnds(BlackWins, "Black mates", GE_FILE);
9387 GameEnds(WhiteWins, "White mates", GE_FILE);
9391 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9398 if (lastLoadGameStart == GNUChessGame) {
9399 /* GNUChessGames have numbers, but they aren't move numbers */
9400 if (appData.debugMode)
9401 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9402 yy_text, (int) moveType);
9403 return LoadGameOneMove((ChessMove)0); /* tail recursion */
9405 /* else fall thru */
9410 /* Reached start of next game in file */
9411 if (appData.debugMode)
9412 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
9413 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9419 if (WhiteOnMove(currentMove)) {
9420 GameEnds(BlackWins, "Black mates", GE_FILE);
9422 GameEnds(WhiteWins, "White mates", GE_FILE);
9426 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9432 case PositionDiagram: /* should not happen; ignore */
9433 case ElapsedTime: /* ignore */
9434 case NAG: /* ignore */
9435 if (appData.debugMode)
9436 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9437 yy_text, (int) moveType);
9438 return LoadGameOneMove((ChessMove)0); /* tail recursion */
9441 if (appData.testLegality) {
9442 if (appData.debugMode)
9443 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
9444 sprintf(move, _("Illegal move: %d.%s%s"),
9445 (forwardMostMove / 2) + 1,
9446 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9447 DisplayError(move, 0);
9450 if (appData.debugMode)
9451 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
9452 yy_text, currentMoveString);
9453 fromX = currentMoveString[0] - AAA;
9454 fromY = currentMoveString[1] - ONE;
9455 toX = currentMoveString[2] - AAA;
9456 toY = currentMoveString[3] - ONE;
9457 promoChar = currentMoveString[4];
9462 if (appData.debugMode)
9463 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
9464 sprintf(move, _("Ambiguous move: %d.%s%s"),
9465 (forwardMostMove / 2) + 1,
9466 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9467 DisplayError(move, 0);
9472 case ImpossibleMove:
9473 if (appData.debugMode)
9474 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
9475 sprintf(move, _("Illegal move: %d.%s%s"),
9476 (forwardMostMove / 2) + 1,
9477 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9478 DisplayError(move, 0);
9484 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
9485 DrawPosition(FALSE, boards[currentMove]);
9486 DisplayBothClocks();
9487 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
9488 DisplayComment(currentMove - 1, commentList[currentMove]);
9490 (void) StopLoadGameTimer();
9492 cmailOldMove = forwardMostMove;
9495 /* currentMoveString is set as a side-effect of yylex */
9496 strcat(currentMoveString, "\n");
9497 strcpy(moveList[forwardMostMove], currentMoveString);
9499 thinkOutput[0] = NULLCHAR;
9500 MakeMove(fromX, fromY, toX, toY, promoChar);
9501 currentMove = forwardMostMove;
9506 /* Load the nth game from the given file */
9508 LoadGameFromFile(filename, n, title, useList)
9512 /*Boolean*/ int useList;
9517 if (strcmp(filename, "-") == 0) {
9521 f = fopen(filename, "rb");
9523 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9524 DisplayError(buf, errno);
9528 if (fseek(f, 0, 0) == -1) {
9529 /* f is not seekable; probably a pipe */
9532 if (useList && n == 0) {
9533 int error = GameListBuild(f);
9535 DisplayError(_("Cannot build game list"), error);
9536 } else if (!ListEmpty(&gameList) &&
9537 ((ListGame *) gameList.tailPred)->number > 1) {
9538 GameListPopUp(f, title);
9545 return LoadGame(f, n, title, FALSE);
9550 MakeRegisteredMove()
9552 int fromX, fromY, toX, toY;
9554 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9555 switch (cmailMoveType[lastLoadGameNumber - 1]) {
9558 if (appData.debugMode)
9559 fprintf(debugFP, "Restoring %s for game %d\n",
9560 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
9562 thinkOutput[0] = NULLCHAR;
9563 strcpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1]);
9564 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
9565 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
9566 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
9567 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
9568 promoChar = cmailMove[lastLoadGameNumber - 1][4];
9569 MakeMove(fromX, fromY, toX, toY, promoChar);
9570 ShowMove(fromX, fromY, toX, toY);
9572 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9579 if (WhiteOnMove(currentMove)) {
9580 GameEnds(BlackWins, "Black mates", GE_PLAYER);
9582 GameEnds(WhiteWins, "White mates", GE_PLAYER);
9587 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
9594 if (WhiteOnMove(currentMove)) {
9595 GameEnds(BlackWins, "White resigns", GE_PLAYER);
9597 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
9602 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
9613 /* Wrapper around LoadGame for use when a Cmail message is loaded */
9615 CmailLoadGame(f, gameNumber, title, useList)
9623 if (gameNumber > nCmailGames) {
9624 DisplayError(_("No more games in this message"), 0);
9627 if (f == lastLoadGameFP) {
9628 int offset = gameNumber - lastLoadGameNumber;
9630 cmailMsg[0] = NULLCHAR;
9631 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9632 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
9633 nCmailMovesRegistered--;
9635 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
9636 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
9637 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
9640 if (! RegisterMove()) return FALSE;
9644 retVal = LoadGame(f, gameNumber, title, useList);
9646 /* Make move registered during previous look at this game, if any */
9647 MakeRegisteredMove();
9649 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
9650 commentList[currentMove]
9651 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
9652 DisplayComment(currentMove - 1, commentList[currentMove]);
9658 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
9663 int gameNumber = lastLoadGameNumber + offset;
9664 if (lastLoadGameFP == NULL) {
9665 DisplayError(_("No game has been loaded yet"), 0);
9668 if (gameNumber <= 0) {
9669 DisplayError(_("Can't back up any further"), 0);
9672 if (cmailMsgLoaded) {
9673 return CmailLoadGame(lastLoadGameFP, gameNumber,
9674 lastLoadGameTitle, lastLoadGameUseList);
9676 return LoadGame(lastLoadGameFP, gameNumber,
9677 lastLoadGameTitle, lastLoadGameUseList);
9683 /* Load the nth game from open file f */
9685 LoadGame(f, gameNumber, title, useList)
9693 int gn = gameNumber;
9694 ListGame *lg = NULL;
9697 GameMode oldGameMode;
9698 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
9700 if (appData.debugMode)
9701 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
9703 if (gameMode == Training )
9704 SetTrainingModeOff();
9706 oldGameMode = gameMode;
9707 if (gameMode != BeginningOfGame) {
9712 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
9713 fclose(lastLoadGameFP);
9717 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
9720 fseek(f, lg->offset, 0);
9721 GameListHighlight(gameNumber);
9725 DisplayError(_("Game number out of range"), 0);
9730 if (fseek(f, 0, 0) == -1) {
9731 if (f == lastLoadGameFP ?
9732 gameNumber == lastLoadGameNumber + 1 :
9736 DisplayError(_("Can't seek on game file"), 0);
9742 lastLoadGameNumber = gameNumber;
9743 strcpy(lastLoadGameTitle, title);
9744 lastLoadGameUseList = useList;
9748 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
9749 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
9750 lg->gameInfo.black);
9752 } else if (*title != NULLCHAR) {
9753 if (gameNumber > 1) {
9754 sprintf(buf, "%s %d", title, gameNumber);
9757 DisplayTitle(title);
9761 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
9762 gameMode = PlayFromGameFile;
9766 currentMove = forwardMostMove = backwardMostMove = 0;
9767 CopyBoard(boards[0], initialPosition);
9771 * Skip the first gn-1 games in the file.
9772 * Also skip over anything that precedes an identifiable
9773 * start of game marker, to avoid being confused by
9774 * garbage at the start of the file. Currently
9775 * recognized start of game markers are the move number "1",
9776 * the pattern "gnuchess .* game", the pattern
9777 * "^[#;%] [^ ]* game file", and a PGN tag block.
9778 * A game that starts with one of the latter two patterns
9779 * will also have a move number 1, possibly
9780 * following a position diagram.
9781 * 5-4-02: Let's try being more lenient and allowing a game to
9782 * start with an unnumbered move. Does that break anything?
9784 cm = lastLoadGameStart = (ChessMove) 0;
9786 yyboardindex = forwardMostMove;
9787 cm = (ChessMove) yylex();
9790 if (cmailMsgLoaded) {
9791 nCmailGames = CMAIL_MAX_GAMES - gn;
9794 DisplayError(_("Game not found in file"), 0);
9801 lastLoadGameStart = cm;
9805 switch (lastLoadGameStart) {
9812 gn--; /* count this game */
9813 lastLoadGameStart = cm;
9822 switch (lastLoadGameStart) {
9827 gn--; /* count this game */
9828 lastLoadGameStart = cm;
9831 lastLoadGameStart = cm; /* game counted already */
9839 yyboardindex = forwardMostMove;
9840 cm = (ChessMove) yylex();
9841 } while (cm == PGNTag || cm == Comment);
9848 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
9849 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
9850 != CMAIL_OLD_RESULT) {
9852 cmailResult[ CMAIL_MAX_GAMES
9853 - gn - 1] = CMAIL_OLD_RESULT;
9859 /* Only a NormalMove can be at the start of a game
9860 * without a position diagram. */
9861 if (lastLoadGameStart == (ChessMove) 0) {
9863 lastLoadGameStart = MoveNumberOne;
9872 if (appData.debugMode)
9873 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
9875 if (cm == XBoardGame) {
9876 /* Skip any header junk before position diagram and/or move 1 */
9878 yyboardindex = forwardMostMove;
9879 cm = (ChessMove) yylex();
9881 if (cm == (ChessMove) 0 ||
9882 cm == GNUChessGame || cm == XBoardGame) {
9883 /* Empty game; pretend end-of-file and handle later */
9888 if (cm == MoveNumberOne || cm == PositionDiagram ||
9889 cm == PGNTag || cm == Comment)
9892 } else if (cm == GNUChessGame) {
9893 if (gameInfo.event != NULL) {
9894 free(gameInfo.event);
9896 gameInfo.event = StrSave(yy_text);
9899 startedFromSetupPosition = FALSE;
9900 while (cm == PGNTag) {
9901 if (appData.debugMode)
9902 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
9903 err = ParsePGNTag(yy_text, &gameInfo);
9904 if (!err) numPGNTags++;
9906 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
9907 if(gameInfo.variant != oldVariant) {
9908 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
9910 oldVariant = gameInfo.variant;
9911 if (appData.debugMode)
9912 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
9916 if (gameInfo.fen != NULL) {
9917 Board initial_position;
9918 startedFromSetupPosition = TRUE;
9919 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
9921 DisplayError(_("Bad FEN position in file"), 0);
9924 CopyBoard(boards[0], initial_position);
9925 if (blackPlaysFirst) {
9926 currentMove = forwardMostMove = backwardMostMove = 1;
9927 CopyBoard(boards[1], initial_position);
9928 strcpy(moveList[0], "");
9929 strcpy(parseList[0], "");
9930 timeRemaining[0][1] = whiteTimeRemaining;
9931 timeRemaining[1][1] = blackTimeRemaining;
9932 if (commentList[0] != NULL) {
9933 commentList[1] = commentList[0];
9934 commentList[0] = NULL;
9937 currentMove = forwardMostMove = backwardMostMove = 0;
9939 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
9941 initialRulePlies = FENrulePlies;
9942 for( i=0; i< nrCastlingRights; i++ )
9943 initialRights[i] = initial_position[CASTLING][i];
9945 yyboardindex = forwardMostMove;
9947 gameInfo.fen = NULL;
9950 yyboardindex = forwardMostMove;
9951 cm = (ChessMove) yylex();
9953 /* Handle comments interspersed among the tags */
9954 while (cm == Comment) {
9956 if (appData.debugMode)
9957 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9959 AppendComment(currentMove, p, FALSE);
9960 yyboardindex = forwardMostMove;
9961 cm = (ChessMove) yylex();
9965 /* don't rely on existence of Event tag since if game was
9966 * pasted from clipboard the Event tag may not exist
9968 if (numPGNTags > 0){
9970 if (gameInfo.variant == VariantNormal) {
9971 gameInfo.variant = StringToVariant(gameInfo.event);
9974 if( appData.autoDisplayTags ) {
9975 tags = PGNTags(&gameInfo);
9976 TagsPopUp(tags, CmailMsg());
9981 /* Make something up, but don't display it now */
9986 if (cm == PositionDiagram) {
9989 Board initial_position;
9991 if (appData.debugMode)
9992 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
9994 if (!startedFromSetupPosition) {
9996 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
9997 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
10007 initial_position[i][j++] = CharToPiece(*p);
10010 while (*p == ' ' || *p == '\t' ||
10011 *p == '\n' || *p == '\r') p++;
10013 if (strncmp(p, "black", strlen("black"))==0)
10014 blackPlaysFirst = TRUE;
10016 blackPlaysFirst = FALSE;
10017 startedFromSetupPosition = TRUE;
10019 CopyBoard(boards[0], initial_position);
10020 if (blackPlaysFirst) {
10021 currentMove = forwardMostMove = backwardMostMove = 1;
10022 CopyBoard(boards[1], initial_position);
10023 strcpy(moveList[0], "");
10024 strcpy(parseList[0], "");
10025 timeRemaining[0][1] = whiteTimeRemaining;
10026 timeRemaining[1][1] = blackTimeRemaining;
10027 if (commentList[0] != NULL) {
10028 commentList[1] = commentList[0];
10029 commentList[0] = NULL;
10032 currentMove = forwardMostMove = backwardMostMove = 0;
10035 yyboardindex = forwardMostMove;
10036 cm = (ChessMove) yylex();
10039 if (first.pr == NoProc) {
10040 StartChessProgram(&first);
10042 InitChessProgram(&first, FALSE);
10043 SendToProgram("force\n", &first);
10044 if (startedFromSetupPosition) {
10045 SendBoard(&first, forwardMostMove);
10046 if (appData.debugMode) {
10047 fprintf(debugFP, "Load Game\n");
10049 DisplayBothClocks();
10052 /* [HGM] server: flag to write setup moves in broadcast file as one */
10053 loadFlag = appData.suppressLoadMoves;
10055 while (cm == Comment) {
10057 if (appData.debugMode)
10058 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10060 AppendComment(currentMove, p, FALSE);
10061 yyboardindex = forwardMostMove;
10062 cm = (ChessMove) yylex();
10065 if ((cm == (ChessMove) 0 && lastLoadGameStart != (ChessMove) 0) ||
10066 cm == WhiteWins || cm == BlackWins ||
10067 cm == GameIsDrawn || cm == GameUnfinished) {
10068 DisplayMessage("", _("No moves in game"));
10069 if (cmailMsgLoaded) {
10070 if (appData.debugMode)
10071 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
10075 DrawPosition(FALSE, boards[currentMove]);
10076 DisplayBothClocks();
10077 gameMode = EditGame;
10084 // [HGM] PV info: routine tests if comment empty
10085 if (!matchMode && (pausing || appData.timeDelay != 0)) {
10086 DisplayComment(currentMove - 1, commentList[currentMove]);
10088 if (!matchMode && appData.timeDelay != 0)
10089 DrawPosition(FALSE, boards[currentMove]);
10091 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
10092 programStats.ok_to_send = 1;
10095 /* if the first token after the PGN tags is a move
10096 * and not move number 1, retrieve it from the parser
10098 if (cm != MoveNumberOne)
10099 LoadGameOneMove(cm);
10101 /* load the remaining moves from the file */
10102 while (LoadGameOneMove((ChessMove)0)) {
10103 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10104 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10107 /* rewind to the start of the game */
10108 currentMove = backwardMostMove;
10110 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10112 if (oldGameMode == AnalyzeFile ||
10113 oldGameMode == AnalyzeMode) {
10114 AnalyzeFileEvent();
10117 if (matchMode || appData.timeDelay == 0) {
10119 gameMode = EditGame;
10121 } else if (appData.timeDelay > 0) {
10122 AutoPlayGameLoop();
10125 if (appData.debugMode)
10126 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
10128 loadFlag = 0; /* [HGM] true game starts */
10132 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
10134 ReloadPosition(offset)
10137 int positionNumber = lastLoadPositionNumber + offset;
10138 if (lastLoadPositionFP == NULL) {
10139 DisplayError(_("No position has been loaded yet"), 0);
10142 if (positionNumber <= 0) {
10143 DisplayError(_("Can't back up any further"), 0);
10146 return LoadPosition(lastLoadPositionFP, positionNumber,
10147 lastLoadPositionTitle);
10150 /* Load the nth position from the given file */
10152 LoadPositionFromFile(filename, n, title)
10160 if (strcmp(filename, "-") == 0) {
10161 return LoadPosition(stdin, n, "stdin");
10163 f = fopen(filename, "rb");
10165 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10166 DisplayError(buf, errno);
10169 return LoadPosition(f, n, title);
10174 /* Load the nth position from the given open file, and close it */
10176 LoadPosition(f, positionNumber, title)
10178 int positionNumber;
10181 char *p, line[MSG_SIZ];
10182 Board initial_position;
10183 int i, j, fenMode, pn;
10185 if (gameMode == Training )
10186 SetTrainingModeOff();
10188 if (gameMode != BeginningOfGame) {
10189 Reset(FALSE, TRUE);
10191 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
10192 fclose(lastLoadPositionFP);
10194 if (positionNumber == 0) positionNumber = 1;
10195 lastLoadPositionFP = f;
10196 lastLoadPositionNumber = positionNumber;
10197 strcpy(lastLoadPositionTitle, title);
10198 if (first.pr == NoProc) {
10199 StartChessProgram(&first);
10200 InitChessProgram(&first, FALSE);
10202 pn = positionNumber;
10203 if (positionNumber < 0) {
10204 /* Negative position number means to seek to that byte offset */
10205 if (fseek(f, -positionNumber, 0) == -1) {
10206 DisplayError(_("Can't seek on position file"), 0);
10211 if (fseek(f, 0, 0) == -1) {
10212 if (f == lastLoadPositionFP ?
10213 positionNumber == lastLoadPositionNumber + 1 :
10214 positionNumber == 1) {
10217 DisplayError(_("Can't seek on position file"), 0);
10222 /* See if this file is FEN or old-style xboard */
10223 if (fgets(line, MSG_SIZ, f) == NULL) {
10224 DisplayError(_("Position not found in file"), 0);
10227 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
10228 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
10231 if (fenMode || line[0] == '#') pn--;
10233 /* skip positions before number pn */
10234 if (fgets(line, MSG_SIZ, f) == NULL) {
10236 DisplayError(_("Position not found in file"), 0);
10239 if (fenMode || line[0] == '#') pn--;
10244 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
10245 DisplayError(_("Bad FEN position in file"), 0);
10249 (void) fgets(line, MSG_SIZ, f);
10250 (void) fgets(line, MSG_SIZ, f);
10252 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
10253 (void) fgets(line, MSG_SIZ, f);
10254 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
10257 initial_position[i][j++] = CharToPiece(*p);
10261 blackPlaysFirst = FALSE;
10263 (void) fgets(line, MSG_SIZ, f);
10264 if (strncmp(line, "black", strlen("black"))==0)
10265 blackPlaysFirst = TRUE;
10268 startedFromSetupPosition = TRUE;
10270 SendToProgram("force\n", &first);
10271 CopyBoard(boards[0], initial_position);
10272 if (blackPlaysFirst) {
10273 currentMove = forwardMostMove = backwardMostMove = 1;
10274 strcpy(moveList[0], "");
10275 strcpy(parseList[0], "");
10276 CopyBoard(boards[1], initial_position);
10277 DisplayMessage("", _("Black to play"));
10279 currentMove = forwardMostMove = backwardMostMove = 0;
10280 DisplayMessage("", _("White to play"));
10282 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
10283 SendBoard(&first, forwardMostMove);
10284 if (appData.debugMode) {
10286 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
10287 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
10288 fprintf(debugFP, "Load Position\n");
10291 if (positionNumber > 1) {
10292 sprintf(line, "%s %d", title, positionNumber);
10293 DisplayTitle(line);
10295 DisplayTitle(title);
10297 gameMode = EditGame;
10300 timeRemaining[0][1] = whiteTimeRemaining;
10301 timeRemaining[1][1] = blackTimeRemaining;
10302 DrawPosition(FALSE, boards[currentMove]);
10309 CopyPlayerNameIntoFileName(dest, src)
10312 while (*src != NULLCHAR && *src != ',') {
10317 *(*dest)++ = *src++;
10322 char *DefaultFileName(ext)
10325 static char def[MSG_SIZ];
10328 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
10330 CopyPlayerNameIntoFileName(&p, gameInfo.white);
10332 CopyPlayerNameIntoFileName(&p, gameInfo.black);
10341 /* Save the current game to the given file */
10343 SaveGameToFile(filename, append)
10350 if (strcmp(filename, "-") == 0) {
10351 return SaveGame(stdout, 0, NULL);
10353 f = fopen(filename, append ? "a" : "w");
10355 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10356 DisplayError(buf, errno);
10359 return SaveGame(f, 0, NULL);
10368 static char buf[MSG_SIZ];
10371 p = strchr(str, ' ');
10372 if (p == NULL) return str;
10373 strncpy(buf, str, p - str);
10374 buf[p - str] = NULLCHAR;
10378 #define PGN_MAX_LINE 75
10380 #define PGN_SIDE_WHITE 0
10381 #define PGN_SIDE_BLACK 1
10384 static int FindFirstMoveOutOfBook( int side )
10388 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
10389 int index = backwardMostMove;
10390 int has_book_hit = 0;
10392 if( (index % 2) != side ) {
10396 while( index < forwardMostMove ) {
10397 /* Check to see if engine is in book */
10398 int depth = pvInfoList[index].depth;
10399 int score = pvInfoList[index].score;
10405 else if( score == 0 && depth == 63 ) {
10406 in_book = 1; /* Zappa */
10408 else if( score == 2 && depth == 99 ) {
10409 in_book = 1; /* Abrok */
10412 has_book_hit += in_book;
10428 void GetOutOfBookInfo( char * buf )
10432 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10434 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
10435 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
10439 if( oob[0] >= 0 || oob[1] >= 0 ) {
10440 for( i=0; i<2; i++ ) {
10444 if( i > 0 && oob[0] >= 0 ) {
10445 strcat( buf, " " );
10448 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
10449 sprintf( buf+strlen(buf), "%s%.2f",
10450 pvInfoList[idx].score >= 0 ? "+" : "",
10451 pvInfoList[idx].score / 100.0 );
10457 /* Save game in PGN style and close the file */
10462 int i, offset, linelen, newblock;
10466 int movelen, numlen, blank;
10467 char move_buffer[100]; /* [AS] Buffer for move+PV info */
10469 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10471 tm = time((time_t *) NULL);
10473 PrintPGNTags(f, &gameInfo);
10475 if (backwardMostMove > 0 || startedFromSetupPosition) {
10476 char *fen = PositionToFEN(backwardMostMove, NULL);
10477 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
10478 fprintf(f, "\n{--------------\n");
10479 PrintPosition(f, backwardMostMove);
10480 fprintf(f, "--------------}\n");
10484 /* [AS] Out of book annotation */
10485 if( appData.saveOutOfBookInfo ) {
10488 GetOutOfBookInfo( buf );
10490 if( buf[0] != '\0' ) {
10491 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
10498 i = backwardMostMove;
10502 while (i < forwardMostMove) {
10503 /* Print comments preceding this move */
10504 if (commentList[i] != NULL) {
10505 if (linelen > 0) fprintf(f, "\n");
10506 fprintf(f, "%s", commentList[i]);
10511 /* Format move number */
10512 if ((i % 2) == 0) {
10513 sprintf(numtext, "%d.", (i - offset)/2 + 1);
10516 sprintf(numtext, "%d...", (i - offset)/2 + 1);
10518 numtext[0] = NULLCHAR;
10521 numlen = strlen(numtext);
10524 /* Print move number */
10525 blank = linelen > 0 && numlen > 0;
10526 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
10535 fprintf(f, "%s", numtext);
10539 strcpy(move_buffer, SavePart(parseList[i])); // [HGM] pgn: print move via buffer, so it can be edited
10540 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
10543 blank = linelen > 0 && movelen > 0;
10544 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10553 fprintf(f, "%s", move_buffer);
10554 linelen += movelen;
10556 /* [AS] Add PV info if present */
10557 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
10558 /* [HGM] add time */
10559 char buf[MSG_SIZ]; int seconds;
10561 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
10563 if( seconds <= 0) buf[0] = 0; else
10564 if( seconds < 30 ) sprintf(buf, " %3.1f%c", seconds/10., 0); else {
10565 seconds = (seconds + 4)/10; // round to full seconds
10566 if( seconds < 60 ) sprintf(buf, " %d%c", seconds, 0); else
10567 sprintf(buf, " %d:%02d%c", seconds/60, seconds%60, 0);
10570 sprintf( move_buffer, "{%s%.2f/%d%s}",
10571 pvInfoList[i].score >= 0 ? "+" : "",
10572 pvInfoList[i].score / 100.0,
10573 pvInfoList[i].depth,
10576 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
10578 /* Print score/depth */
10579 blank = linelen > 0 && movelen > 0;
10580 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10589 fprintf(f, "%s", move_buffer);
10590 linelen += movelen;
10596 /* Start a new line */
10597 if (linelen > 0) fprintf(f, "\n");
10599 /* Print comments after last move */
10600 if (commentList[i] != NULL) {
10601 fprintf(f, "%s\n", commentList[i]);
10605 if (gameInfo.resultDetails != NULL &&
10606 gameInfo.resultDetails[0] != NULLCHAR) {
10607 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
10608 PGNResult(gameInfo.result));
10610 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10614 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10618 /* Save game in old style and close the file */
10620 SaveGameOldStyle(f)
10626 tm = time((time_t *) NULL);
10628 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
10631 if (backwardMostMove > 0 || startedFromSetupPosition) {
10632 fprintf(f, "\n[--------------\n");
10633 PrintPosition(f, backwardMostMove);
10634 fprintf(f, "--------------]\n");
10639 i = backwardMostMove;
10640 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10642 while (i < forwardMostMove) {
10643 if (commentList[i] != NULL) {
10644 fprintf(f, "[%s]\n", commentList[i]);
10647 if ((i % 2) == 1) {
10648 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
10651 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
10653 if (commentList[i] != NULL) {
10657 if (i >= forwardMostMove) {
10661 fprintf(f, "%s\n", parseList[i]);
10666 if (commentList[i] != NULL) {
10667 fprintf(f, "[%s]\n", commentList[i]);
10670 /* This isn't really the old style, but it's close enough */
10671 if (gameInfo.resultDetails != NULL &&
10672 gameInfo.resultDetails[0] != NULLCHAR) {
10673 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
10674 gameInfo.resultDetails);
10676 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10683 /* Save the current game to open file f and close the file */
10685 SaveGame(f, dummy, dummy2)
10690 if (gameMode == EditPosition) EditPositionDone(TRUE);
10691 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10692 if (appData.oldSaveStyle)
10693 return SaveGameOldStyle(f);
10695 return SaveGamePGN(f);
10698 /* Save the current position to the given file */
10700 SavePositionToFile(filename)
10706 if (strcmp(filename, "-") == 0) {
10707 return SavePosition(stdout, 0, NULL);
10709 f = fopen(filename, "a");
10711 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10712 DisplayError(buf, errno);
10715 SavePosition(f, 0, NULL);
10721 /* Save the current position to the given open file and close the file */
10723 SavePosition(f, dummy, dummy2)
10731 if (gameMode == EditPosition) EditPositionDone(TRUE);
10732 if (appData.oldSaveStyle) {
10733 tm = time((time_t *) NULL);
10735 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
10737 fprintf(f, "[--------------\n");
10738 PrintPosition(f, currentMove);
10739 fprintf(f, "--------------]\n");
10741 fen = PositionToFEN(currentMove, NULL);
10742 fprintf(f, "%s\n", fen);
10750 ReloadCmailMsgEvent(unregister)
10754 static char *inFilename = NULL;
10755 static char *outFilename;
10757 struct stat inbuf, outbuf;
10760 /* Any registered moves are unregistered if unregister is set, */
10761 /* i.e. invoked by the signal handler */
10763 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
10764 cmailMoveRegistered[i] = FALSE;
10765 if (cmailCommentList[i] != NULL) {
10766 free(cmailCommentList[i]);
10767 cmailCommentList[i] = NULL;
10770 nCmailMovesRegistered = 0;
10773 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
10774 cmailResult[i] = CMAIL_NOT_RESULT;
10778 if (inFilename == NULL) {
10779 /* Because the filenames are static they only get malloced once */
10780 /* and they never get freed */
10781 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
10782 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
10784 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
10785 sprintf(outFilename, "%s.out", appData.cmailGameName);
10788 status = stat(outFilename, &outbuf);
10790 cmailMailedMove = FALSE;
10792 status = stat(inFilename, &inbuf);
10793 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
10796 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
10797 counts the games, notes how each one terminated, etc.
10799 It would be nice to remove this kludge and instead gather all
10800 the information while building the game list. (And to keep it
10801 in the game list nodes instead of having a bunch of fixed-size
10802 parallel arrays.) Note this will require getting each game's
10803 termination from the PGN tags, as the game list builder does
10804 not process the game moves. --mann
10806 cmailMsgLoaded = TRUE;
10807 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
10809 /* Load first game in the file or popup game menu */
10810 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
10812 #endif /* !WIN32 */
10820 char string[MSG_SIZ];
10822 if ( cmailMailedMove
10823 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
10824 return TRUE; /* Allow free viewing */
10827 /* Unregister move to ensure that we don't leave RegisterMove */
10828 /* with the move registered when the conditions for registering no */
10830 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10831 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
10832 nCmailMovesRegistered --;
10834 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
10836 free(cmailCommentList[lastLoadGameNumber - 1]);
10837 cmailCommentList[lastLoadGameNumber - 1] = NULL;
10841 if (cmailOldMove == -1) {
10842 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
10846 if (currentMove > cmailOldMove + 1) {
10847 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
10851 if (currentMove < cmailOldMove) {
10852 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
10856 if (forwardMostMove > currentMove) {
10857 /* Silently truncate extra moves */
10861 if ( (currentMove == cmailOldMove + 1)
10862 || ( (currentMove == cmailOldMove)
10863 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
10864 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
10865 if (gameInfo.result != GameUnfinished) {
10866 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
10869 if (commentList[currentMove] != NULL) {
10870 cmailCommentList[lastLoadGameNumber - 1]
10871 = StrSave(commentList[currentMove]);
10873 strcpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1]);
10875 if (appData.debugMode)
10876 fprintf(debugFP, "Saving %s for game %d\n",
10877 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
10880 "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
10882 f = fopen(string, "w");
10883 if (appData.oldSaveStyle) {
10884 SaveGameOldStyle(f); /* also closes the file */
10886 sprintf(string, "%s.pos.out", appData.cmailGameName);
10887 f = fopen(string, "w");
10888 SavePosition(f, 0, NULL); /* also closes the file */
10890 fprintf(f, "{--------------\n");
10891 PrintPosition(f, currentMove);
10892 fprintf(f, "--------------}\n\n");
10894 SaveGame(f, 0, NULL); /* also closes the file*/
10897 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
10898 nCmailMovesRegistered ++;
10899 } else if (nCmailGames == 1) {
10900 DisplayError(_("You have not made a move yet"), 0);
10911 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
10912 FILE *commandOutput;
10913 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
10914 int nBytes = 0; /* Suppress warnings on uninitialized variables */
10920 if (! cmailMsgLoaded) {
10921 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
10925 if (nCmailGames == nCmailResults) {
10926 DisplayError(_("No unfinished games"), 0);
10930 #if CMAIL_PROHIBIT_REMAIL
10931 if (cmailMailedMove) {
10932 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);
10933 DisplayError(msg, 0);
10938 if (! (cmailMailedMove || RegisterMove())) return;
10940 if ( cmailMailedMove
10941 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
10942 sprintf(string, partCommandString,
10943 appData.debugMode ? " -v" : "", appData.cmailGameName);
10944 commandOutput = popen(string, "r");
10946 if (commandOutput == NULL) {
10947 DisplayError(_("Failed to invoke cmail"), 0);
10949 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
10950 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
10952 if (nBuffers > 1) {
10953 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
10954 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
10955 nBytes = MSG_SIZ - 1;
10957 (void) memcpy(msg, buffer, nBytes);
10959 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
10961 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
10962 cmailMailedMove = TRUE; /* Prevent >1 moves */
10965 for (i = 0; i < nCmailGames; i ++) {
10966 if (cmailResult[i] == CMAIL_NOT_RESULT) {
10971 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
10973 sprintf(buffer, "%s/%s.%s.archive",
10975 appData.cmailGameName,
10977 LoadGameFromFile(buffer, 1, buffer, FALSE);
10978 cmailMsgLoaded = FALSE;
10982 DisplayInformation(msg);
10983 pclose(commandOutput);
10986 if ((*cmailMsg) != '\0') {
10987 DisplayInformation(cmailMsg);
10992 #endif /* !WIN32 */
11001 int prependComma = 0;
11003 char string[MSG_SIZ]; /* Space for game-list */
11006 if (!cmailMsgLoaded) return "";
11008 if (cmailMailedMove) {
11009 sprintf(cmailMsg, _("Waiting for reply from opponent\n"));
11011 /* Create a list of games left */
11012 sprintf(string, "[");
11013 for (i = 0; i < nCmailGames; i ++) {
11014 if (! ( cmailMoveRegistered[i]
11015 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
11016 if (prependComma) {
11017 sprintf(number, ",%d", i + 1);
11019 sprintf(number, "%d", i + 1);
11023 strcat(string, number);
11026 strcat(string, "]");
11028 if (nCmailMovesRegistered + nCmailResults == 0) {
11029 switch (nCmailGames) {
11032 _("Still need to make move for game\n"));
11037 _("Still need to make moves for both games\n"));
11042 _("Still need to make moves for all %d games\n"),
11047 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
11050 _("Still need to make a move for game %s\n"),
11055 if (nCmailResults == nCmailGames) {
11056 sprintf(cmailMsg, _("No unfinished games\n"));
11058 sprintf(cmailMsg, _("Ready to send mail\n"));
11064 _("Still need to make moves for games %s\n"),
11076 if (gameMode == Training)
11077 SetTrainingModeOff();
11080 cmailMsgLoaded = FALSE;
11081 if (appData.icsActive) {
11082 SendToICS(ics_prefix);
11083 SendToICS("refresh\n");
11093 /* Give up on clean exit */
11097 /* Keep trying for clean exit */
11101 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
11103 if (telnetISR != NULL) {
11104 RemoveInputSource(telnetISR);
11106 if (icsPR != NoProc) {
11107 DestroyChildProcess(icsPR, TRUE);
11110 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
11111 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
11113 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
11114 /* make sure this other one finishes before killing it! */
11115 if(endingGame) { int count = 0;
11116 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
11117 while(endingGame && count++ < 10) DoSleep(1);
11118 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
11121 /* Kill off chess programs */
11122 if (first.pr != NoProc) {
11125 DoSleep( appData.delayBeforeQuit );
11126 SendToProgram("quit\n", &first);
11127 DoSleep( appData.delayAfterQuit );
11128 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
11130 if (second.pr != NoProc) {
11131 DoSleep( appData.delayBeforeQuit );
11132 SendToProgram("quit\n", &second);
11133 DoSleep( appData.delayAfterQuit );
11134 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
11136 if (first.isr != NULL) {
11137 RemoveInputSource(first.isr);
11139 if (second.isr != NULL) {
11140 RemoveInputSource(second.isr);
11143 ShutDownFrontEnd();
11150 if (appData.debugMode)
11151 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
11155 if (gameMode == MachinePlaysWhite ||
11156 gameMode == MachinePlaysBlack) {
11159 DisplayBothClocks();
11161 if (gameMode == PlayFromGameFile) {
11162 if (appData.timeDelay >= 0)
11163 AutoPlayGameLoop();
11164 } else if (gameMode == IcsExamining && pauseExamInvalid) {
11165 Reset(FALSE, TRUE);
11166 SendToICS(ics_prefix);
11167 SendToICS("refresh\n");
11168 } else if (currentMove < forwardMostMove) {
11169 ForwardInner(forwardMostMove);
11171 pauseExamInvalid = FALSE;
11173 switch (gameMode) {
11177 pauseExamForwardMostMove = forwardMostMove;
11178 pauseExamInvalid = FALSE;
11181 case IcsPlayingWhite:
11182 case IcsPlayingBlack:
11186 case PlayFromGameFile:
11187 (void) StopLoadGameTimer();
11191 case BeginningOfGame:
11192 if (appData.icsActive) return;
11193 /* else fall through */
11194 case MachinePlaysWhite:
11195 case MachinePlaysBlack:
11196 case TwoMachinesPlay:
11197 if (forwardMostMove == 0)
11198 return; /* don't pause if no one has moved */
11199 if ((gameMode == MachinePlaysWhite &&
11200 !WhiteOnMove(forwardMostMove)) ||
11201 (gameMode == MachinePlaysBlack &&
11202 WhiteOnMove(forwardMostMove))) {
11215 char title[MSG_SIZ];
11217 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
11218 strcpy(title, _("Edit comment"));
11220 sprintf(title, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
11221 WhiteOnMove(currentMove - 1) ? " " : ".. ",
11222 parseList[currentMove - 1]);
11225 EditCommentPopUp(currentMove, title, commentList[currentMove]);
11232 char *tags = PGNTags(&gameInfo);
11233 EditTagsPopUp(tags);
11240 if (appData.noChessProgram || gameMode == AnalyzeMode)
11243 if (gameMode != AnalyzeFile) {
11244 if (!appData.icsEngineAnalyze) {
11246 if (gameMode != EditGame) return;
11248 ResurrectChessProgram();
11249 SendToProgram("analyze\n", &first);
11250 first.analyzing = TRUE;
11251 /*first.maybeThinking = TRUE;*/
11252 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11253 EngineOutputPopUp();
11255 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
11260 StartAnalysisClock();
11261 GetTimeMark(&lastNodeCountTime);
11268 if (appData.noChessProgram || gameMode == AnalyzeFile)
11271 if (gameMode != AnalyzeMode) {
11273 if (gameMode != EditGame) return;
11274 ResurrectChessProgram();
11275 SendToProgram("analyze\n", &first);
11276 first.analyzing = TRUE;
11277 /*first.maybeThinking = TRUE;*/
11278 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11279 EngineOutputPopUp();
11281 gameMode = AnalyzeFile;
11286 StartAnalysisClock();
11287 GetTimeMark(&lastNodeCountTime);
11292 MachineWhiteEvent()
11295 char *bookHit = NULL;
11297 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
11301 if (gameMode == PlayFromGameFile ||
11302 gameMode == TwoMachinesPlay ||
11303 gameMode == Training ||
11304 gameMode == AnalyzeMode ||
11305 gameMode == EndOfGame)
11308 if (gameMode == EditPosition)
11309 EditPositionDone(TRUE);
11311 if (!WhiteOnMove(currentMove)) {
11312 DisplayError(_("It is not White's turn"), 0);
11316 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11319 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11320 gameMode == AnalyzeFile)
11323 ResurrectChessProgram(); /* in case it isn't running */
11324 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
11325 gameMode = MachinePlaysWhite;
11328 gameMode = MachinePlaysWhite;
11332 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11334 if (first.sendName) {
11335 sprintf(buf, "name %s\n", gameInfo.black);
11336 SendToProgram(buf, &first);
11338 if (first.sendTime) {
11339 if (first.useColors) {
11340 SendToProgram("black\n", &first); /*gnu kludge*/
11342 SendTimeRemaining(&first, TRUE);
11344 if (first.useColors) {
11345 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
11347 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11348 SetMachineThinkingEnables();
11349 first.maybeThinking = TRUE;
11353 if (appData.autoFlipView && !flipView) {
11354 flipView = !flipView;
11355 DrawPosition(FALSE, NULL);
11356 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11359 if(bookHit) { // [HGM] book: simulate book reply
11360 static char bookMove[MSG_SIZ]; // a bit generous?
11362 programStats.nodes = programStats.depth = programStats.time =
11363 programStats.score = programStats.got_only_move = 0;
11364 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11366 strcpy(bookMove, "move ");
11367 strcat(bookMove, bookHit);
11368 HandleMachineMove(bookMove, &first);
11373 MachineBlackEvent()
11376 char *bookHit = NULL;
11378 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
11382 if (gameMode == PlayFromGameFile ||
11383 gameMode == TwoMachinesPlay ||
11384 gameMode == Training ||
11385 gameMode == AnalyzeMode ||
11386 gameMode == EndOfGame)
11389 if (gameMode == EditPosition)
11390 EditPositionDone(TRUE);
11392 if (WhiteOnMove(currentMove)) {
11393 DisplayError(_("It is not Black's turn"), 0);
11397 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11400 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11401 gameMode == AnalyzeFile)
11404 ResurrectChessProgram(); /* in case it isn't running */
11405 gameMode = MachinePlaysBlack;
11409 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11411 if (first.sendName) {
11412 sprintf(buf, "name %s\n", gameInfo.white);
11413 SendToProgram(buf, &first);
11415 if (first.sendTime) {
11416 if (first.useColors) {
11417 SendToProgram("white\n", &first); /*gnu kludge*/
11419 SendTimeRemaining(&first, FALSE);
11421 if (first.useColors) {
11422 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
11424 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11425 SetMachineThinkingEnables();
11426 first.maybeThinking = TRUE;
11429 if (appData.autoFlipView && flipView) {
11430 flipView = !flipView;
11431 DrawPosition(FALSE, NULL);
11432 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11434 if(bookHit) { // [HGM] book: simulate book reply
11435 static char bookMove[MSG_SIZ]; // a bit generous?
11437 programStats.nodes = programStats.depth = programStats.time =
11438 programStats.score = programStats.got_only_move = 0;
11439 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11441 strcpy(bookMove, "move ");
11442 strcat(bookMove, bookHit);
11443 HandleMachineMove(bookMove, &first);
11449 DisplayTwoMachinesTitle()
11452 if (appData.matchGames > 0) {
11453 if (first.twoMachinesColor[0] == 'w') {
11454 sprintf(buf, "%s vs. %s (%d-%d-%d)",
11455 gameInfo.white, gameInfo.black,
11456 first.matchWins, second.matchWins,
11457 matchGame - 1 - (first.matchWins + second.matchWins));
11459 sprintf(buf, "%s vs. %s (%d-%d-%d)",
11460 gameInfo.white, gameInfo.black,
11461 second.matchWins, first.matchWins,
11462 matchGame - 1 - (first.matchWins + second.matchWins));
11465 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11471 TwoMachinesEvent P((void))
11475 ChessProgramState *onmove;
11476 char *bookHit = NULL;
11478 if (appData.noChessProgram) return;
11480 switch (gameMode) {
11481 case TwoMachinesPlay:
11483 case MachinePlaysWhite:
11484 case MachinePlaysBlack:
11485 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11486 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11490 case BeginningOfGame:
11491 case PlayFromGameFile:
11494 if (gameMode != EditGame) return;
11497 EditPositionDone(TRUE);
11508 // forwardMostMove = currentMove;
11509 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
11510 ResurrectChessProgram(); /* in case first program isn't running */
11512 if (second.pr == NULL) {
11513 StartChessProgram(&second);
11514 if (second.protocolVersion == 1) {
11515 TwoMachinesEventIfReady();
11517 /* kludge: allow timeout for initial "feature" command */
11519 DisplayMessage("", _("Starting second chess program"));
11520 ScheduleDelayedEvent(TwoMachinesEventIfReady, FEATURE_TIMEOUT);
11524 DisplayMessage("", "");
11525 InitChessProgram(&second, FALSE);
11526 SendToProgram("force\n", &second);
11527 if (startedFromSetupPosition) {
11528 SendBoard(&second, backwardMostMove);
11529 if (appData.debugMode) {
11530 fprintf(debugFP, "Two Machines\n");
11533 for (i = backwardMostMove; i < forwardMostMove; i++) {
11534 SendMoveToProgram(i, &second);
11537 gameMode = TwoMachinesPlay;
11541 DisplayTwoMachinesTitle();
11543 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
11549 SendToProgram(first.computerString, &first);
11550 if (first.sendName) {
11551 sprintf(buf, "name %s\n", second.tidy);
11552 SendToProgram(buf, &first);
11554 SendToProgram(second.computerString, &second);
11555 if (second.sendName) {
11556 sprintf(buf, "name %s\n", first.tidy);
11557 SendToProgram(buf, &second);
11561 if (!first.sendTime || !second.sendTime) {
11562 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11563 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11565 if (onmove->sendTime) {
11566 if (onmove->useColors) {
11567 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
11569 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
11571 if (onmove->useColors) {
11572 SendToProgram(onmove->twoMachinesColor, onmove);
11574 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
11575 // SendToProgram("go\n", onmove);
11576 onmove->maybeThinking = TRUE;
11577 SetMachineThinkingEnables();
11581 if(bookHit) { // [HGM] book: simulate book reply
11582 static char bookMove[MSG_SIZ]; // a bit generous?
11584 programStats.nodes = programStats.depth = programStats.time =
11585 programStats.score = programStats.got_only_move = 0;
11586 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11588 strcpy(bookMove, "move ");
11589 strcat(bookMove, bookHit);
11590 savedMessage = bookMove; // args for deferred call
11591 savedState = onmove;
11592 ScheduleDelayedEvent(DeferredBookMove, 1);
11599 if (gameMode == Training) {
11600 SetTrainingModeOff();
11601 gameMode = PlayFromGameFile;
11602 DisplayMessage("", _("Training mode off"));
11604 gameMode = Training;
11605 animateTraining = appData.animate;
11607 /* make sure we are not already at the end of the game */
11608 if (currentMove < forwardMostMove) {
11609 SetTrainingModeOn();
11610 DisplayMessage("", _("Training mode on"));
11612 gameMode = PlayFromGameFile;
11613 DisplayError(_("Already at end of game"), 0);
11622 if (!appData.icsActive) return;
11623 switch (gameMode) {
11624 case IcsPlayingWhite:
11625 case IcsPlayingBlack:
11628 case BeginningOfGame:
11636 EditPositionDone(TRUE);
11649 gameMode = IcsIdle;
11660 switch (gameMode) {
11662 SetTrainingModeOff();
11664 case MachinePlaysWhite:
11665 case MachinePlaysBlack:
11666 case BeginningOfGame:
11667 SendToProgram("force\n", &first);
11668 SetUserThinkingEnables();
11670 case PlayFromGameFile:
11671 (void) StopLoadGameTimer();
11672 if (gameFileFP != NULL) {
11677 EditPositionDone(TRUE);
11682 SendToProgram("force\n", &first);
11684 case TwoMachinesPlay:
11685 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
11686 ResurrectChessProgram();
11687 SetUserThinkingEnables();
11690 ResurrectChessProgram();
11692 case IcsPlayingBlack:
11693 case IcsPlayingWhite:
11694 DisplayError(_("Warning: You are still playing a game"), 0);
11697 DisplayError(_("Warning: You are still observing a game"), 0);
11700 DisplayError(_("Warning: You are still examining a game"), 0);
11711 first.offeredDraw = second.offeredDraw = 0;
11713 if (gameMode == PlayFromGameFile) {
11714 whiteTimeRemaining = timeRemaining[0][currentMove];
11715 blackTimeRemaining = timeRemaining[1][currentMove];
11719 if (gameMode == MachinePlaysWhite ||
11720 gameMode == MachinePlaysBlack ||
11721 gameMode == TwoMachinesPlay ||
11722 gameMode == EndOfGame) {
11723 i = forwardMostMove;
11724 while (i > currentMove) {
11725 SendToProgram("undo\n", &first);
11728 whiteTimeRemaining = timeRemaining[0][currentMove];
11729 blackTimeRemaining = timeRemaining[1][currentMove];
11730 DisplayBothClocks();
11731 if (whiteFlag || blackFlag) {
11732 whiteFlag = blackFlag = 0;
11737 gameMode = EditGame;
11744 EditPositionEvent()
11746 if (gameMode == EditPosition) {
11752 if (gameMode != EditGame) return;
11754 gameMode = EditPosition;
11757 if (currentMove > 0)
11758 CopyBoard(boards[0], boards[currentMove]);
11760 blackPlaysFirst = !WhiteOnMove(currentMove);
11762 currentMove = forwardMostMove = backwardMostMove = 0;
11763 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11770 /* [DM] icsEngineAnalyze - possible call from other functions */
11771 if (appData.icsEngineAnalyze) {
11772 appData.icsEngineAnalyze = FALSE;
11774 DisplayMessage("",_("Close ICS engine analyze..."));
11776 if (first.analysisSupport && first.analyzing) {
11777 SendToProgram("exit\n", &first);
11778 first.analyzing = FALSE;
11780 thinkOutput[0] = NULLCHAR;
11784 EditPositionDone(Boolean fakeRights)
11786 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
11788 startedFromSetupPosition = TRUE;
11789 InitChessProgram(&first, FALSE);
11790 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
11791 boards[0][EP_STATUS] = EP_NONE;
11792 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
11793 if(boards[0][0][BOARD_WIDTH>>1] == king) {
11794 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
11795 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
11796 } else boards[0][CASTLING][2] = NoRights;
11797 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
11798 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
11799 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
11800 } else boards[0][CASTLING][5] = NoRights;
11802 SendToProgram("force\n", &first);
11803 if (blackPlaysFirst) {
11804 strcpy(moveList[0], "");
11805 strcpy(parseList[0], "");
11806 currentMove = forwardMostMove = backwardMostMove = 1;
11807 CopyBoard(boards[1], boards[0]);
11809 currentMove = forwardMostMove = backwardMostMove = 0;
11811 SendBoard(&first, forwardMostMove);
11812 if (appData.debugMode) {
11813 fprintf(debugFP, "EditPosDone\n");
11816 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11817 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11818 gameMode = EditGame;
11820 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11821 ClearHighlights(); /* [AS] */
11824 /* Pause for `ms' milliseconds */
11825 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
11835 } while (SubtractTimeMarks(&m2, &m1) < ms);
11838 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
11840 SendMultiLineToICS(buf)
11843 char temp[MSG_SIZ+1], *p;
11850 strncpy(temp, buf, len);
11855 if (*p == '\n' || *p == '\r')
11860 strcat(temp, "\n");
11862 SendToPlayer(temp, strlen(temp));
11866 SetWhiteToPlayEvent()
11868 if (gameMode == EditPosition) {
11869 blackPlaysFirst = FALSE;
11870 DisplayBothClocks(); /* works because currentMove is 0 */
11871 } else if (gameMode == IcsExamining) {
11872 SendToICS(ics_prefix);
11873 SendToICS("tomove white\n");
11878 SetBlackToPlayEvent()
11880 if (gameMode == EditPosition) {
11881 blackPlaysFirst = TRUE;
11882 currentMove = 1; /* kludge */
11883 DisplayBothClocks();
11885 } else if (gameMode == IcsExamining) {
11886 SendToICS(ics_prefix);
11887 SendToICS("tomove black\n");
11892 EditPositionMenuEvent(selection, x, y)
11893 ChessSquare selection;
11897 ChessSquare piece = boards[0][y][x];
11899 if (gameMode != EditPosition && gameMode != IcsExamining) return;
11901 switch (selection) {
11903 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
11904 SendToICS(ics_prefix);
11905 SendToICS("bsetup clear\n");
11906 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
11907 SendToICS(ics_prefix);
11908 SendToICS("clearboard\n");
11910 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
11911 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
11912 for (y = 0; y < BOARD_HEIGHT; y++) {
11913 if (gameMode == IcsExamining) {
11914 if (boards[currentMove][y][x] != EmptySquare) {
11915 sprintf(buf, "%sx@%c%c\n", ics_prefix,
11920 boards[0][y][x] = p;
11925 if (gameMode == EditPosition) {
11926 DrawPosition(FALSE, boards[0]);
11931 SetWhiteToPlayEvent();
11935 SetBlackToPlayEvent();
11939 if (gameMode == IcsExamining) {
11940 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
11941 sprintf(buf, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
11944 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
11945 if(x == BOARD_LEFT-2) {
11946 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
11947 boards[0][y][1] = 0;
11949 if(x == BOARD_RGHT+1) {
11950 if(y >= gameInfo.holdingsSize) break;
11951 boards[0][y][BOARD_WIDTH-2] = 0;
11954 boards[0][y][x] = EmptySquare;
11955 DrawPosition(FALSE, boards[0]);
11960 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
11961 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
11962 selection = (ChessSquare) (PROMOTED piece);
11963 } else if(piece == EmptySquare) selection = WhiteSilver;
11964 else selection = (ChessSquare)((int)piece - 1);
11968 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
11969 piece > (int)BlackMan && piece <= (int)BlackKing ) {
11970 selection = (ChessSquare) (DEMOTED piece);
11971 } else if(piece == EmptySquare) selection = BlackSilver;
11972 else selection = (ChessSquare)((int)piece + 1);
11977 if(gameInfo.variant == VariantShatranj ||
11978 gameInfo.variant == VariantXiangqi ||
11979 gameInfo.variant == VariantCourier ||
11980 gameInfo.variant == VariantMakruk )
11981 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
11986 if(gameInfo.variant == VariantXiangqi)
11987 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
11988 if(gameInfo.variant == VariantKnightmate)
11989 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
11992 if (gameMode == IcsExamining) {
11993 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
11994 sprintf(buf, "%s%c@%c%c\n", ics_prefix,
11995 PieceToChar(selection), AAA + x, ONE + y);
11998 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12000 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
12001 n = PieceToNumber(selection - BlackPawn);
12002 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
12003 boards[0][BOARD_HEIGHT-1-n][0] = selection;
12004 boards[0][BOARD_HEIGHT-1-n][1]++;
12006 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
12007 n = PieceToNumber(selection);
12008 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
12009 boards[0][n][BOARD_WIDTH-1] = selection;
12010 boards[0][n][BOARD_WIDTH-2]++;
12013 boards[0][y][x] = selection;
12014 DrawPosition(TRUE, boards[0]);
12022 DropMenuEvent(selection, x, y)
12023 ChessSquare selection;
12026 ChessMove moveType;
12028 switch (gameMode) {
12029 case IcsPlayingWhite:
12030 case MachinePlaysBlack:
12031 if (!WhiteOnMove(currentMove)) {
12032 DisplayMoveError(_("It is Black's turn"));
12035 moveType = WhiteDrop;
12037 case IcsPlayingBlack:
12038 case MachinePlaysWhite:
12039 if (WhiteOnMove(currentMove)) {
12040 DisplayMoveError(_("It is White's turn"));
12043 moveType = BlackDrop;
12046 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
12052 if (moveType == BlackDrop && selection < BlackPawn) {
12053 selection = (ChessSquare) ((int) selection
12054 + (int) BlackPawn - (int) WhitePawn);
12056 if (boards[currentMove][y][x] != EmptySquare) {
12057 DisplayMoveError(_("That square is occupied"));
12061 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
12067 /* Accept a pending offer of any kind from opponent */
12069 if (appData.icsActive) {
12070 SendToICS(ics_prefix);
12071 SendToICS("accept\n");
12072 } else if (cmailMsgLoaded) {
12073 if (currentMove == cmailOldMove &&
12074 commentList[cmailOldMove] != NULL &&
12075 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12076 "Black offers a draw" : "White offers a draw")) {
12078 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12079 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12081 DisplayError(_("There is no pending offer on this move"), 0);
12082 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12085 /* Not used for offers from chess program */
12092 /* Decline a pending offer of any kind from opponent */
12094 if (appData.icsActive) {
12095 SendToICS(ics_prefix);
12096 SendToICS("decline\n");
12097 } else if (cmailMsgLoaded) {
12098 if (currentMove == cmailOldMove &&
12099 commentList[cmailOldMove] != NULL &&
12100 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12101 "Black offers a draw" : "White offers a draw")) {
12103 AppendComment(cmailOldMove, "Draw declined", TRUE);
12104 DisplayComment(cmailOldMove - 1, "Draw declined");
12107 DisplayError(_("There is no pending offer on this move"), 0);
12110 /* Not used for offers from chess program */
12117 /* Issue ICS rematch command */
12118 if (appData.icsActive) {
12119 SendToICS(ics_prefix);
12120 SendToICS("rematch\n");
12127 /* Call your opponent's flag (claim a win on time) */
12128 if (appData.icsActive) {
12129 SendToICS(ics_prefix);
12130 SendToICS("flag\n");
12132 switch (gameMode) {
12135 case MachinePlaysWhite:
12138 GameEnds(GameIsDrawn, "Both players ran out of time",
12141 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
12143 DisplayError(_("Your opponent is not out of time"), 0);
12146 case MachinePlaysBlack:
12149 GameEnds(GameIsDrawn, "Both players ran out of time",
12152 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
12154 DisplayError(_("Your opponent is not out of time"), 0);
12164 /* Offer draw or accept pending draw offer from opponent */
12166 if (appData.icsActive) {
12167 /* Note: tournament rules require draw offers to be
12168 made after you make your move but before you punch
12169 your clock. Currently ICS doesn't let you do that;
12170 instead, you immediately punch your clock after making
12171 a move, but you can offer a draw at any time. */
12173 SendToICS(ics_prefix);
12174 SendToICS("draw\n");
12175 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
12176 } else if (cmailMsgLoaded) {
12177 if (currentMove == cmailOldMove &&
12178 commentList[cmailOldMove] != NULL &&
12179 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12180 "Black offers a draw" : "White offers a draw")) {
12181 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12182 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12183 } else if (currentMove == cmailOldMove + 1) {
12184 char *offer = WhiteOnMove(cmailOldMove) ?
12185 "White offers a draw" : "Black offers a draw";
12186 AppendComment(currentMove, offer, TRUE);
12187 DisplayComment(currentMove - 1, offer);
12188 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
12190 DisplayError(_("You must make your move before offering a draw"), 0);
12191 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12193 } else if (first.offeredDraw) {
12194 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
12196 if (first.sendDrawOffers) {
12197 SendToProgram("draw\n", &first);
12198 userOfferedDraw = TRUE;
12206 /* Offer Adjourn or accept pending Adjourn offer from opponent */
12208 if (appData.icsActive) {
12209 SendToICS(ics_prefix);
12210 SendToICS("adjourn\n");
12212 /* Currently GNU Chess doesn't offer or accept Adjourns */
12220 /* Offer Abort or accept pending Abort offer from opponent */
12222 if (appData.icsActive) {
12223 SendToICS(ics_prefix);
12224 SendToICS("abort\n");
12226 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
12233 /* Resign. You can do this even if it's not your turn. */
12235 if (appData.icsActive) {
12236 SendToICS(ics_prefix);
12237 SendToICS("resign\n");
12239 switch (gameMode) {
12240 case MachinePlaysWhite:
12241 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12243 case MachinePlaysBlack:
12244 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12247 if (cmailMsgLoaded) {
12249 if (WhiteOnMove(cmailOldMove)) {
12250 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12252 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12254 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
12265 StopObservingEvent()
12267 /* Stop observing current games */
12268 SendToICS(ics_prefix);
12269 SendToICS("unobserve\n");
12273 StopExaminingEvent()
12275 /* Stop observing current game */
12276 SendToICS(ics_prefix);
12277 SendToICS("unexamine\n");
12281 ForwardInner(target)
12286 if (appData.debugMode)
12287 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
12288 target, currentMove, forwardMostMove);
12290 if (gameMode == EditPosition)
12293 if (gameMode == PlayFromGameFile && !pausing)
12296 if (gameMode == IcsExamining && pausing)
12297 limit = pauseExamForwardMostMove;
12299 limit = forwardMostMove;
12301 if (target > limit) target = limit;
12303 if (target > 0 && moveList[target - 1][0]) {
12304 int fromX, fromY, toX, toY;
12305 toX = moveList[target - 1][2] - AAA;
12306 toY = moveList[target - 1][3] - ONE;
12307 if (moveList[target - 1][1] == '@') {
12308 if (appData.highlightLastMove) {
12309 SetHighlights(-1, -1, toX, toY);
12312 fromX = moveList[target - 1][0] - AAA;
12313 fromY = moveList[target - 1][1] - ONE;
12314 if (target == currentMove + 1) {
12315 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12317 if (appData.highlightLastMove) {
12318 SetHighlights(fromX, fromY, toX, toY);
12322 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12323 gameMode == Training || gameMode == PlayFromGameFile ||
12324 gameMode == AnalyzeFile) {
12325 while (currentMove < target) {
12326 SendMoveToProgram(currentMove++, &first);
12329 currentMove = target;
12332 if (gameMode == EditGame || gameMode == EndOfGame) {
12333 whiteTimeRemaining = timeRemaining[0][currentMove];
12334 blackTimeRemaining = timeRemaining[1][currentMove];
12336 DisplayBothClocks();
12337 DisplayMove(currentMove - 1);
12338 DrawPosition(FALSE, boards[currentMove]);
12339 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12340 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
12341 DisplayComment(currentMove - 1, commentList[currentMove]);
12349 if (gameMode == IcsExamining && !pausing) {
12350 SendToICS(ics_prefix);
12351 SendToICS("forward\n");
12353 ForwardInner(currentMove + 1);
12360 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12361 /* to optimze, we temporarily turn off analysis mode while we feed
12362 * the remaining moves to the engine. Otherwise we get analysis output
12365 if (first.analysisSupport) {
12366 SendToProgram("exit\nforce\n", &first);
12367 first.analyzing = FALSE;
12371 if (gameMode == IcsExamining && !pausing) {
12372 SendToICS(ics_prefix);
12373 SendToICS("forward 999999\n");
12375 ForwardInner(forwardMostMove);
12378 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12379 /* we have fed all the moves, so reactivate analysis mode */
12380 SendToProgram("analyze\n", &first);
12381 first.analyzing = TRUE;
12382 /*first.maybeThinking = TRUE;*/
12383 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12388 BackwardInner(target)
12391 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
12393 if (appData.debugMode)
12394 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
12395 target, currentMove, forwardMostMove);
12397 if (gameMode == EditPosition) return;
12398 if (currentMove <= backwardMostMove) {
12400 DrawPosition(full_redraw, boards[currentMove]);
12403 if (gameMode == PlayFromGameFile && !pausing)
12406 if (moveList[target][0]) {
12407 int fromX, fromY, toX, toY;
12408 toX = moveList[target][2] - AAA;
12409 toY = moveList[target][3] - ONE;
12410 if (moveList[target][1] == '@') {
12411 if (appData.highlightLastMove) {
12412 SetHighlights(-1, -1, toX, toY);
12415 fromX = moveList[target][0] - AAA;
12416 fromY = moveList[target][1] - ONE;
12417 if (target == currentMove - 1) {
12418 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
12420 if (appData.highlightLastMove) {
12421 SetHighlights(fromX, fromY, toX, toY);
12425 if (gameMode == EditGame || gameMode==AnalyzeMode ||
12426 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
12427 while (currentMove > target) {
12428 SendToProgram("undo\n", &first);
12432 currentMove = target;
12435 if (gameMode == EditGame || gameMode == EndOfGame) {
12436 whiteTimeRemaining = timeRemaining[0][currentMove];
12437 blackTimeRemaining = timeRemaining[1][currentMove];
12439 DisplayBothClocks();
12440 DisplayMove(currentMove - 1);
12441 DrawPosition(full_redraw, boards[currentMove]);
12442 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12443 // [HGM] PV info: routine tests if comment empty
12444 DisplayComment(currentMove - 1, commentList[currentMove]);
12450 if (gameMode == IcsExamining && !pausing) {
12451 SendToICS(ics_prefix);
12452 SendToICS("backward\n");
12454 BackwardInner(currentMove - 1);
12461 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12462 /* to optimize, we temporarily turn off analysis mode while we undo
12463 * all the moves. Otherwise we get analysis output after each undo.
12465 if (first.analysisSupport) {
12466 SendToProgram("exit\nforce\n", &first);
12467 first.analyzing = FALSE;
12471 if (gameMode == IcsExamining && !pausing) {
12472 SendToICS(ics_prefix);
12473 SendToICS("backward 999999\n");
12475 BackwardInner(backwardMostMove);
12478 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12479 /* we have fed all the moves, so reactivate analysis mode */
12480 SendToProgram("analyze\n", &first);
12481 first.analyzing = TRUE;
12482 /*first.maybeThinking = TRUE;*/
12483 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12490 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
12491 if (to >= forwardMostMove) to = forwardMostMove;
12492 if (to <= backwardMostMove) to = backwardMostMove;
12493 if (to < currentMove) {
12503 if(PopTail(TRUE)) { // [HGM] vari: restore old game tail
12506 if (gameMode != IcsExamining) {
12507 DisplayError(_("You are not examining a game"), 0);
12511 DisplayError(_("You can't revert while pausing"), 0);
12514 SendToICS(ics_prefix);
12515 SendToICS("revert\n");
12521 switch (gameMode) {
12522 case MachinePlaysWhite:
12523 case MachinePlaysBlack:
12524 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12525 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12528 if (forwardMostMove < 2) return;
12529 currentMove = forwardMostMove = forwardMostMove - 2;
12530 whiteTimeRemaining = timeRemaining[0][currentMove];
12531 blackTimeRemaining = timeRemaining[1][currentMove];
12532 DisplayBothClocks();
12533 DisplayMove(currentMove - 1);
12534 ClearHighlights();/*!! could figure this out*/
12535 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
12536 SendToProgram("remove\n", &first);
12537 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
12540 case BeginningOfGame:
12544 case IcsPlayingWhite:
12545 case IcsPlayingBlack:
12546 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
12547 SendToICS(ics_prefix);
12548 SendToICS("takeback 2\n");
12550 SendToICS(ics_prefix);
12551 SendToICS("takeback 1\n");
12560 ChessProgramState *cps;
12562 switch (gameMode) {
12563 case MachinePlaysWhite:
12564 if (!WhiteOnMove(forwardMostMove)) {
12565 DisplayError(_("It is your turn"), 0);
12570 case MachinePlaysBlack:
12571 if (WhiteOnMove(forwardMostMove)) {
12572 DisplayError(_("It is your turn"), 0);
12577 case TwoMachinesPlay:
12578 if (WhiteOnMove(forwardMostMove) ==
12579 (first.twoMachinesColor[0] == 'w')) {
12585 case BeginningOfGame:
12589 SendToProgram("?\n", cps);
12593 TruncateGameEvent()
12596 if (gameMode != EditGame) return;
12603 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
12604 if (forwardMostMove > currentMove) {
12605 if (gameInfo.resultDetails != NULL) {
12606 free(gameInfo.resultDetails);
12607 gameInfo.resultDetails = NULL;
12608 gameInfo.result = GameUnfinished;
12610 forwardMostMove = currentMove;
12611 HistorySet(parseList, backwardMostMove, forwardMostMove,
12619 if (appData.noChessProgram) return;
12620 switch (gameMode) {
12621 case MachinePlaysWhite:
12622 if (WhiteOnMove(forwardMostMove)) {
12623 DisplayError(_("Wait until your turn"), 0);
12627 case BeginningOfGame:
12628 case MachinePlaysBlack:
12629 if (!WhiteOnMove(forwardMostMove)) {
12630 DisplayError(_("Wait until your turn"), 0);
12635 DisplayError(_("No hint available"), 0);
12638 SendToProgram("hint\n", &first);
12639 hintRequested = TRUE;
12645 if (appData.noChessProgram) return;
12646 switch (gameMode) {
12647 case MachinePlaysWhite:
12648 if (WhiteOnMove(forwardMostMove)) {
12649 DisplayError(_("Wait until your turn"), 0);
12653 case BeginningOfGame:
12654 case MachinePlaysBlack:
12655 if (!WhiteOnMove(forwardMostMove)) {
12656 DisplayError(_("Wait until your turn"), 0);
12661 EditPositionDone(TRUE);
12663 case TwoMachinesPlay:
12668 SendToProgram("bk\n", &first);
12669 bookOutput[0] = NULLCHAR;
12670 bookRequested = TRUE;
12676 char *tags = PGNTags(&gameInfo);
12677 TagsPopUp(tags, CmailMsg());
12681 /* end button procedures */
12684 PrintPosition(fp, move)
12690 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12691 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
12692 char c = PieceToChar(boards[move][i][j]);
12693 fputc(c == 'x' ? '.' : c, fp);
12694 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
12697 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
12698 fprintf(fp, "white to play\n");
12700 fprintf(fp, "black to play\n");
12707 if (gameInfo.white != NULL) {
12708 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
12714 /* Find last component of program's own name, using some heuristics */
12716 TidyProgramName(prog, host, buf)
12717 char *prog, *host, buf[MSG_SIZ];
12720 int local = (strcmp(host, "localhost") == 0);
12721 while (!local && (p = strchr(prog, ';')) != NULL) {
12723 while (*p == ' ') p++;
12726 if (*prog == '"' || *prog == '\'') {
12727 q = strchr(prog + 1, *prog);
12729 q = strchr(prog, ' ');
12731 if (q == NULL) q = prog + strlen(prog);
12733 while (p >= prog && *p != '/' && *p != '\\') p--;
12735 if(p == prog && *p == '"') p++;
12736 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
12737 memcpy(buf, p, q - p);
12738 buf[q - p] = NULLCHAR;
12746 TimeControlTagValue()
12749 if (!appData.clockMode) {
12751 } else if (movesPerSession > 0) {
12752 sprintf(buf, "%d/%ld", movesPerSession, timeControl/1000);
12753 } else if (timeIncrement == 0) {
12754 sprintf(buf, "%ld", timeControl/1000);
12756 sprintf(buf, "%ld+%ld", timeControl/1000, timeIncrement/1000);
12758 return StrSave(buf);
12764 /* This routine is used only for certain modes */
12765 VariantClass v = gameInfo.variant;
12766 ChessMove r = GameUnfinished;
12769 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
12770 r = gameInfo.result;
12771 p = gameInfo.resultDetails;
12772 gameInfo.resultDetails = NULL;
12774 ClearGameInfo(&gameInfo);
12775 gameInfo.variant = v;
12777 switch (gameMode) {
12778 case MachinePlaysWhite:
12779 gameInfo.event = StrSave( appData.pgnEventHeader );
12780 gameInfo.site = StrSave(HostName());
12781 gameInfo.date = PGNDate();
12782 gameInfo.round = StrSave("-");
12783 gameInfo.white = StrSave(first.tidy);
12784 gameInfo.black = StrSave(UserName());
12785 gameInfo.timeControl = TimeControlTagValue();
12788 case MachinePlaysBlack:
12789 gameInfo.event = StrSave( appData.pgnEventHeader );
12790 gameInfo.site = StrSave(HostName());
12791 gameInfo.date = PGNDate();
12792 gameInfo.round = StrSave("-");
12793 gameInfo.white = StrSave(UserName());
12794 gameInfo.black = StrSave(first.tidy);
12795 gameInfo.timeControl = TimeControlTagValue();
12798 case TwoMachinesPlay:
12799 gameInfo.event = StrSave( appData.pgnEventHeader );
12800 gameInfo.site = StrSave(HostName());
12801 gameInfo.date = PGNDate();
12802 if (matchGame > 0) {
12804 sprintf(buf, "%d", matchGame);
12805 gameInfo.round = StrSave(buf);
12807 gameInfo.round = StrSave("-");
12809 if (first.twoMachinesColor[0] == 'w') {
12810 gameInfo.white = StrSave(first.tidy);
12811 gameInfo.black = StrSave(second.tidy);
12813 gameInfo.white = StrSave(second.tidy);
12814 gameInfo.black = StrSave(first.tidy);
12816 gameInfo.timeControl = TimeControlTagValue();
12820 gameInfo.event = StrSave("Edited game");
12821 gameInfo.site = StrSave(HostName());
12822 gameInfo.date = PGNDate();
12823 gameInfo.round = StrSave("-");
12824 gameInfo.white = StrSave("-");
12825 gameInfo.black = StrSave("-");
12826 gameInfo.result = r;
12827 gameInfo.resultDetails = p;
12831 gameInfo.event = StrSave("Edited position");
12832 gameInfo.site = StrSave(HostName());
12833 gameInfo.date = PGNDate();
12834 gameInfo.round = StrSave("-");
12835 gameInfo.white = StrSave("-");
12836 gameInfo.black = StrSave("-");
12839 case IcsPlayingWhite:
12840 case IcsPlayingBlack:
12845 case PlayFromGameFile:
12846 gameInfo.event = StrSave("Game from non-PGN file");
12847 gameInfo.site = StrSave(HostName());
12848 gameInfo.date = PGNDate();
12849 gameInfo.round = StrSave("-");
12850 gameInfo.white = StrSave("?");
12851 gameInfo.black = StrSave("?");
12860 ReplaceComment(index, text)
12866 while (*text == '\n') text++;
12867 len = strlen(text);
12868 while (len > 0 && text[len - 1] == '\n') len--;
12870 if (commentList[index] != NULL)
12871 free(commentList[index]);
12874 commentList[index] = NULL;
12877 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
12878 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
12879 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
12880 commentList[index] = (char *) malloc(len + 2);
12881 strncpy(commentList[index], text, len);
12882 commentList[index][len] = '\n';
12883 commentList[index][len + 1] = NULLCHAR;
12885 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
12887 commentList[index] = (char *) malloc(len + 6);
12888 strcpy(commentList[index], "{\n");
12889 strncpy(commentList[index]+2, text, len);
12890 commentList[index][len+2] = NULLCHAR;
12891 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
12892 strcat(commentList[index], "\n}\n");
12906 if (ch == '\r') continue;
12908 } while (ch != '\0');
12912 AppendComment(index, text, addBraces)
12915 Boolean addBraces; // [HGM] braces: tells if we should add {}
12920 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
12921 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
12924 while (*text == '\n') text++;
12925 len = strlen(text);
12926 while (len > 0 && text[len - 1] == '\n') len--;
12928 if (len == 0) return;
12930 if (commentList[index] != NULL) {
12931 old = commentList[index];
12932 oldlen = strlen(old);
12933 while(commentList[index][oldlen-1] == '\n')
12934 commentList[index][--oldlen] = NULLCHAR;
12935 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
12936 strcpy(commentList[index], old);
12938 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
12939 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces)) {
12940 if(addBraces) addBraces = FALSE; else { text++; len--; }
12941 while (*text == '\n') { text++; len--; }
12942 commentList[index][--oldlen] = NULLCHAR;
12944 if(addBraces) strcat(commentList[index], "\n{\n");
12945 else strcat(commentList[index], "\n");
12946 strcat(commentList[index], text);
12947 if(addBraces) strcat(commentList[index], "\n}\n");
12948 else strcat(commentList[index], "\n");
12950 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
12952 strcpy(commentList[index], "{\n");
12953 else commentList[index][0] = NULLCHAR;
12954 strcat(commentList[index], text);
12955 strcat(commentList[index], "\n");
12956 if(addBraces) strcat(commentList[index], "}\n");
12960 static char * FindStr( char * text, char * sub_text )
12962 char * result = strstr( text, sub_text );
12964 if( result != NULL ) {
12965 result += strlen( sub_text );
12971 /* [AS] Try to extract PV info from PGN comment */
12972 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
12973 char *GetInfoFromComment( int index, char * text )
12977 if( text != NULL && index > 0 ) {
12980 int time = -1, sec = 0, deci;
12981 char * s_eval = FindStr( text, "[%eval " );
12982 char * s_emt = FindStr( text, "[%emt " );
12984 if( s_eval != NULL || s_emt != NULL ) {
12988 if( s_eval != NULL ) {
12989 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
12993 if( delim != ']' ) {
12998 if( s_emt != NULL ) {
13003 /* We expect something like: [+|-]nnn.nn/dd */
13006 if(*text != '{') return text; // [HGM] braces: must be normal comment
13008 sep = strchr( text, '/' );
13009 if( sep == NULL || sep < (text+4) ) {
13013 time = -1; sec = -1; deci = -1;
13014 if( sscanf( text+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
13015 sscanf( text+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
13016 sscanf( text+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
13017 sscanf( text+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
13021 if( score_lo < 0 || score_lo >= 100 ) {
13025 if(sec >= 0) time = 600*time + 10*sec; else
13026 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
13028 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
13030 /* [HGM] PV time: now locate end of PV info */
13031 while( *++sep >= '0' && *sep <= '9'); // strip depth
13033 while( *++sep >= '0' && *sep <= '9'); // strip time
13035 while( *++sep >= '0' && *sep <= '9'); // strip seconds
13037 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
13038 while(*sep == ' ') sep++;
13049 pvInfoList[index-1].depth = depth;
13050 pvInfoList[index-1].score = score;
13051 pvInfoList[index-1].time = 10*time; // centi-sec
13052 if(*sep == '}') *sep = 0; else *--sep = '{';
13058 SendToProgram(message, cps)
13060 ChessProgramState *cps;
13062 int count, outCount, error;
13065 if (cps->pr == NULL) return;
13068 if (appData.debugMode) {
13071 fprintf(debugFP, "%ld >%-6s: %s",
13072 SubtractTimeMarks(&now, &programStartTime),
13073 cps->which, message);
13076 count = strlen(message);
13077 outCount = OutputToProcess(cps->pr, message, count, &error);
13078 if (outCount < count && !exiting
13079 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
13080 sprintf(buf, _("Error writing to %s chess program"), cps->which);
13081 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13082 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13083 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13084 sprintf(buf, "%s program exits in draw position (%s)", cps->which, cps->program);
13086 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13088 gameInfo.resultDetails = StrSave(buf);
13090 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13095 ReceiveFromProgram(isr, closure, message, count, error)
13096 InputSourceRef isr;
13104 ChessProgramState *cps = (ChessProgramState *)closure;
13106 if (isr != cps->isr) return; /* Killed intentionally */
13110 _("Error: %s chess program (%s) exited unexpectedly"),
13111 cps->which, cps->program);
13112 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13113 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13114 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13115 sprintf(buf, _("%s program exits in draw position (%s)"), cps->which, cps->program);
13117 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13119 gameInfo.resultDetails = StrSave(buf);
13121 RemoveInputSource(cps->isr);
13122 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
13125 _("Error reading from %s chess program (%s)"),
13126 cps->which, cps->program);
13127 RemoveInputSource(cps->isr);
13129 /* [AS] Program is misbehaving badly... kill it */
13130 if( count == -2 ) {
13131 DestroyChildProcess( cps->pr, 9 );
13135 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13140 if ((end_str = strchr(message, '\r')) != NULL)
13141 *end_str = NULLCHAR;
13142 if ((end_str = strchr(message, '\n')) != NULL)
13143 *end_str = NULLCHAR;
13145 if (appData.debugMode) {
13146 TimeMark now; int print = 1;
13147 char *quote = ""; char c; int i;
13149 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
13150 char start = message[0];
13151 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
13152 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
13153 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
13154 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
13155 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
13156 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
13157 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
13158 sscanf(message, "pong %c", &c)!=1 && start != '#')
13159 { quote = "# "; print = (appData.engineComments == 2); }
13160 message[0] = start; // restore original message
13164 fprintf(debugFP, "%ld <%-6s: %s%s\n",
13165 SubtractTimeMarks(&now, &programStartTime), cps->which,
13171 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
13172 if (appData.icsEngineAnalyze) {
13173 if (strstr(message, "whisper") != NULL ||
13174 strstr(message, "kibitz") != NULL ||
13175 strstr(message, "tellics") != NULL) return;
13178 HandleMachineMove(message, cps);
13183 SendTimeControl(cps, mps, tc, inc, sd, st)
13184 ChessProgramState *cps;
13185 int mps, inc, sd, st;
13191 if( timeControl_2 > 0 ) {
13192 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
13193 tc = timeControl_2;
13196 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
13197 inc /= cps->timeOdds;
13198 st /= cps->timeOdds;
13200 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
13203 /* Set exact time per move, normally using st command */
13204 if (cps->stKludge) {
13205 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
13207 if (seconds == 0) {
13208 sprintf(buf, "level 1 %d\n", st/60);
13210 sprintf(buf, "level 1 %d:%02d\n", st/60, seconds);
13213 sprintf(buf, "st %d\n", st);
13216 /* Set conventional or incremental time control, using level command */
13217 if (seconds == 0) {
13218 /* Note old gnuchess bug -- minutes:seconds used to not work.
13219 Fixed in later versions, but still avoid :seconds
13220 when seconds is 0. */
13221 sprintf(buf, "level %d %ld %d\n", mps, tc/60000, inc/1000);
13223 sprintf(buf, "level %d %ld:%02d %d\n", mps, tc/60000,
13224 seconds, inc/1000);
13227 SendToProgram(buf, cps);
13229 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
13230 /* Orthogonally, limit search to given depth */
13232 if (cps->sdKludge) {
13233 sprintf(buf, "depth\n%d\n", sd);
13235 sprintf(buf, "sd %d\n", sd);
13237 SendToProgram(buf, cps);
13240 if(cps->nps > 0) { /* [HGM] nps */
13241 if(cps->supportsNPS == FALSE) cps->nps = -1; // don't use if engine explicitly says not supported!
13243 sprintf(buf, "nps %d\n", cps->nps);
13244 SendToProgram(buf, cps);
13249 ChessProgramState *WhitePlayer()
13250 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
13252 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
13253 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
13259 SendTimeRemaining(cps, machineWhite)
13260 ChessProgramState *cps;
13261 int /*boolean*/ machineWhite;
13263 char message[MSG_SIZ];
13266 /* Note: this routine must be called when the clocks are stopped
13267 or when they have *just* been set or switched; otherwise
13268 it will be off by the time since the current tick started.
13270 if (machineWhite) {
13271 time = whiteTimeRemaining / 10;
13272 otime = blackTimeRemaining / 10;
13274 time = blackTimeRemaining / 10;
13275 otime = whiteTimeRemaining / 10;
13277 /* [HGM] translate opponent's time by time-odds factor */
13278 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
13279 if (appData.debugMode) {
13280 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
13283 if (time <= 0) time = 1;
13284 if (otime <= 0) otime = 1;
13286 sprintf(message, "time %ld\n", time);
13287 SendToProgram(message, cps);
13289 sprintf(message, "otim %ld\n", otime);
13290 SendToProgram(message, cps);
13294 BoolFeature(p, name, loc, cps)
13298 ChessProgramState *cps;
13301 int len = strlen(name);
13303 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13305 sscanf(*p, "%d", &val);
13307 while (**p && **p != ' ') (*p)++;
13308 sprintf(buf, "accepted %s\n", name);
13309 SendToProgram(buf, cps);
13316 IntFeature(p, name, loc, cps)
13320 ChessProgramState *cps;
13323 int len = strlen(name);
13324 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13326 sscanf(*p, "%d", loc);
13327 while (**p && **p != ' ') (*p)++;
13328 sprintf(buf, "accepted %s\n", name);
13329 SendToProgram(buf, cps);
13336 StringFeature(p, name, loc, cps)
13340 ChessProgramState *cps;
13343 int len = strlen(name);
13344 if (strncmp((*p), name, len) == 0
13345 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
13347 sscanf(*p, "%[^\"]", loc);
13348 while (**p && **p != '\"') (*p)++;
13349 if (**p == '\"') (*p)++;
13350 sprintf(buf, "accepted %s\n", name);
13351 SendToProgram(buf, cps);
13358 ParseOption(Option *opt, ChessProgramState *cps)
13359 // [HGM] options: process the string that defines an engine option, and determine
13360 // name, type, default value, and allowed value range
13362 char *p, *q, buf[MSG_SIZ];
13363 int n, min = (-1)<<31, max = 1<<31, def;
13365 if(p = strstr(opt->name, " -spin ")) {
13366 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13367 if(max < min) max = min; // enforce consistency
13368 if(def < min) def = min;
13369 if(def > max) def = max;
13374 } else if((p = strstr(opt->name, " -slider "))) {
13375 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
13376 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13377 if(max < min) max = min; // enforce consistency
13378 if(def < min) def = min;
13379 if(def > max) def = max;
13383 opt->type = Spin; // Slider;
13384 } else if((p = strstr(opt->name, " -string "))) {
13385 opt->textValue = p+9;
13386 opt->type = TextBox;
13387 } else if((p = strstr(opt->name, " -file "))) {
13388 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13389 opt->textValue = p+7;
13390 opt->type = TextBox; // FileName;
13391 } else if((p = strstr(opt->name, " -path "))) {
13392 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13393 opt->textValue = p+7;
13394 opt->type = TextBox; // PathName;
13395 } else if(p = strstr(opt->name, " -check ")) {
13396 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
13397 opt->value = (def != 0);
13398 opt->type = CheckBox;
13399 } else if(p = strstr(opt->name, " -combo ")) {
13400 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
13401 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
13402 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
13403 opt->value = n = 0;
13404 while(q = StrStr(q, " /// ")) {
13405 n++; *q = 0; // count choices, and null-terminate each of them
13407 if(*q == '*') { // remember default, which is marked with * prefix
13411 cps->comboList[cps->comboCnt++] = q;
13413 cps->comboList[cps->comboCnt++] = NULL;
13415 opt->type = ComboBox;
13416 } else if(p = strstr(opt->name, " -button")) {
13417 opt->type = Button;
13418 } else if(p = strstr(opt->name, " -save")) {
13419 opt->type = SaveButton;
13420 } else return FALSE;
13421 *p = 0; // terminate option name
13422 // now look if the command-line options define a setting for this engine option.
13423 if(cps->optionSettings && cps->optionSettings[0])
13424 p = strstr(cps->optionSettings, opt->name); else p = NULL;
13425 if(p && (p == cps->optionSettings || p[-1] == ',')) {
13426 sprintf(buf, "option %s", p);
13427 if(p = strstr(buf, ",")) *p = 0;
13429 SendToProgram(buf, cps);
13435 FeatureDone(cps, val)
13436 ChessProgramState* cps;
13439 DelayedEventCallback cb = GetDelayedEvent();
13440 if ((cb == InitBackEnd3 && cps == &first) ||
13441 (cb == TwoMachinesEventIfReady && cps == &second)) {
13442 CancelDelayedEvent();
13443 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
13445 cps->initDone = val;
13448 /* Parse feature command from engine */
13450 ParseFeatures(args, cps)
13452 ChessProgramState *cps;
13460 while (*p == ' ') p++;
13461 if (*p == NULLCHAR) return;
13463 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
13464 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
13465 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
13466 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
13467 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
13468 if (BoolFeature(&p, "reuse", &val, cps)) {
13469 /* Engine can disable reuse, but can't enable it if user said no */
13470 if (!val) cps->reuse = FALSE;
13473 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
13474 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
13475 if (gameMode == TwoMachinesPlay) {
13476 DisplayTwoMachinesTitle();
13482 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
13483 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
13484 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
13485 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
13486 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
13487 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
13488 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
13489 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
13490 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
13491 if (IntFeature(&p, "done", &val, cps)) {
13492 FeatureDone(cps, val);
13495 /* Added by Tord: */
13496 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
13497 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
13498 /* End of additions by Tord */
13500 /* [HGM] added features: */
13501 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
13502 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
13503 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
13504 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
13505 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13506 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
13507 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
13508 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
13509 sprintf(buf, "rejected option %s\n", cps->option[--cps->nrOptions].name);
13510 SendToProgram(buf, cps);
13513 if(cps->nrOptions >= MAX_OPTIONS) {
13515 sprintf(buf, "%s engine has too many options\n", cps->which);
13516 DisplayError(buf, 0);
13520 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13521 /* End of additions by HGM */
13523 /* unknown feature: complain and skip */
13525 while (*q && *q != '=') q++;
13526 sprintf(buf, "rejected %.*s\n", (int)(q-p), p);
13527 SendToProgram(buf, cps);
13533 while (*p && *p != '\"') p++;
13534 if (*p == '\"') p++;
13536 while (*p && *p != ' ') p++;
13544 PeriodicUpdatesEvent(newState)
13547 if (newState == appData.periodicUpdates)
13550 appData.periodicUpdates=newState;
13552 /* Display type changes, so update it now */
13553 // DisplayAnalysis();
13555 /* Get the ball rolling again... */
13557 AnalysisPeriodicEvent(1);
13558 StartAnalysisClock();
13563 PonderNextMoveEvent(newState)
13566 if (newState == appData.ponderNextMove) return;
13567 if (gameMode == EditPosition) EditPositionDone(TRUE);
13569 SendToProgram("hard\n", &first);
13570 if (gameMode == TwoMachinesPlay) {
13571 SendToProgram("hard\n", &second);
13574 SendToProgram("easy\n", &first);
13575 thinkOutput[0] = NULLCHAR;
13576 if (gameMode == TwoMachinesPlay) {
13577 SendToProgram("easy\n", &second);
13580 appData.ponderNextMove = newState;
13584 NewSettingEvent(option, command, value)
13590 if (gameMode == EditPosition) EditPositionDone(TRUE);
13591 sprintf(buf, "%s%s %d\n", (option ? "option ": ""), command, value);
13592 SendToProgram(buf, &first);
13593 if (gameMode == TwoMachinesPlay) {
13594 SendToProgram(buf, &second);
13599 ShowThinkingEvent()
13600 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
13602 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
13603 int newState = appData.showThinking
13604 // [HGM] thinking: other features now need thinking output as well
13605 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
13607 if (oldState == newState) return;
13608 oldState = newState;
13609 if (gameMode == EditPosition) EditPositionDone(TRUE);
13611 SendToProgram("post\n", &first);
13612 if (gameMode == TwoMachinesPlay) {
13613 SendToProgram("post\n", &second);
13616 SendToProgram("nopost\n", &first);
13617 thinkOutput[0] = NULLCHAR;
13618 if (gameMode == TwoMachinesPlay) {
13619 SendToProgram("nopost\n", &second);
13622 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
13626 AskQuestionEvent(title, question, replyPrefix, which)
13627 char *title; char *question; char *replyPrefix; char *which;
13629 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
13630 if (pr == NoProc) return;
13631 AskQuestion(title, question, replyPrefix, pr);
13635 DisplayMove(moveNumber)
13638 char message[MSG_SIZ];
13640 char cpThinkOutput[MSG_SIZ];
13642 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
13644 if (moveNumber == forwardMostMove - 1 ||
13645 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13647 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput));
13649 if (strchr(cpThinkOutput, '\n')) {
13650 *strchr(cpThinkOutput, '\n') = NULLCHAR;
13653 *cpThinkOutput = NULLCHAR;
13656 /* [AS] Hide thinking from human user */
13657 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
13658 *cpThinkOutput = NULLCHAR;
13659 if( thinkOutput[0] != NULLCHAR ) {
13662 for( i=0; i<=hiddenThinkOutputState; i++ ) {
13663 cpThinkOutput[i] = '.';
13665 cpThinkOutput[i] = NULLCHAR;
13666 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
13670 if (moveNumber == forwardMostMove - 1 &&
13671 gameInfo.resultDetails != NULL) {
13672 if (gameInfo.resultDetails[0] == NULLCHAR) {
13673 sprintf(res, " %s", PGNResult(gameInfo.result));
13675 sprintf(res, " {%s} %s",
13676 gameInfo.resultDetails, PGNResult(gameInfo.result));
13682 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
13683 DisplayMessage(res, cpThinkOutput);
13685 sprintf(message, "%d.%s%s%s", moveNumber / 2 + 1,
13686 WhiteOnMove(moveNumber) ? " " : ".. ",
13687 parseList[moveNumber], res);
13688 DisplayMessage(message, cpThinkOutput);
13693 DisplayComment(moveNumber, text)
13697 char title[MSG_SIZ];
13698 char buf[8000]; // comment can be long!
13701 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
13702 strcpy(title, "Comment");
13704 sprintf(title, "Comment on %d.%s%s", moveNumber / 2 + 1,
13705 WhiteOnMove(moveNumber) ? " " : ".. ",
13706 parseList[moveNumber]);
13708 // [HGM] PV info: display PV info together with (or as) comment
13709 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
13710 if(text == NULL) text = "";
13711 score = pvInfoList[moveNumber].score;
13712 sprintf(buf, "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
13713 depth, (pvInfoList[moveNumber].time+50)/100, text);
13716 if (text != NULL && (appData.autoDisplayComment || commentUp))
13717 CommentPopUp(title, text);
13720 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
13721 * might be busy thinking or pondering. It can be omitted if your
13722 * gnuchess is configured to stop thinking immediately on any user
13723 * input. However, that gnuchess feature depends on the FIONREAD
13724 * ioctl, which does not work properly on some flavors of Unix.
13728 ChessProgramState *cps;
13731 if (!cps->useSigint) return;
13732 if (appData.noChessProgram || (cps->pr == NoProc)) return;
13733 switch (gameMode) {
13734 case MachinePlaysWhite:
13735 case MachinePlaysBlack:
13736 case TwoMachinesPlay:
13737 case IcsPlayingWhite:
13738 case IcsPlayingBlack:
13741 /* Skip if we know it isn't thinking */
13742 if (!cps->maybeThinking) return;
13743 if (appData.debugMode)
13744 fprintf(debugFP, "Interrupting %s\n", cps->which);
13745 InterruptChildProcess(cps->pr);
13746 cps->maybeThinking = FALSE;
13751 #endif /*ATTENTION*/
13757 if (whiteTimeRemaining <= 0) {
13760 if (appData.icsActive) {
13761 if (appData.autoCallFlag &&
13762 gameMode == IcsPlayingBlack && !blackFlag) {
13763 SendToICS(ics_prefix);
13764 SendToICS("flag\n");
13768 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
13770 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
13771 if (appData.autoCallFlag) {
13772 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
13779 if (blackTimeRemaining <= 0) {
13782 if (appData.icsActive) {
13783 if (appData.autoCallFlag &&
13784 gameMode == IcsPlayingWhite && !whiteFlag) {
13785 SendToICS(ics_prefix);
13786 SendToICS("flag\n");
13790 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
13792 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
13793 if (appData.autoCallFlag) {
13794 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
13807 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
13808 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
13811 * add time to clocks when time control is achieved ([HGM] now also used for increment)
13813 if ( !WhiteOnMove(forwardMostMove) )
13814 /* White made time control */
13815 whiteTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
13816 /* [HGM] time odds: correct new time quota for time odds! */
13817 / WhitePlayer()->timeOdds;
13819 /* Black made time control */
13820 blackTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
13821 / WhitePlayer()->other->timeOdds;
13825 DisplayBothClocks()
13827 int wom = gameMode == EditPosition ?
13828 !blackPlaysFirst : WhiteOnMove(currentMove);
13829 DisplayWhiteClock(whiteTimeRemaining, wom);
13830 DisplayBlackClock(blackTimeRemaining, !wom);
13834 /* Timekeeping seems to be a portability nightmare. I think everyone
13835 has ftime(), but I'm really not sure, so I'm including some ifdefs
13836 to use other calls if you don't. Clocks will be less accurate if
13837 you have neither ftime nor gettimeofday.
13840 /* VS 2008 requires the #include outside of the function */
13841 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
13842 #include <sys/timeb.h>
13845 /* Get the current time as a TimeMark */
13850 #if HAVE_GETTIMEOFDAY
13852 struct timeval timeVal;
13853 struct timezone timeZone;
13855 gettimeofday(&timeVal, &timeZone);
13856 tm->sec = (long) timeVal.tv_sec;
13857 tm->ms = (int) (timeVal.tv_usec / 1000L);
13859 #else /*!HAVE_GETTIMEOFDAY*/
13862 // include <sys/timeb.h> / moved to just above start of function
13863 struct timeb timeB;
13866 tm->sec = (long) timeB.time;
13867 tm->ms = (int) timeB.millitm;
13869 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
13870 tm->sec = (long) time(NULL);
13876 /* Return the difference in milliseconds between two
13877 time marks. We assume the difference will fit in a long!
13880 SubtractTimeMarks(tm2, tm1)
13881 TimeMark *tm2, *tm1;
13883 return 1000L*(tm2->sec - tm1->sec) +
13884 (long) (tm2->ms - tm1->ms);
13889 * Code to manage the game clocks.
13891 * In tournament play, black starts the clock and then white makes a move.
13892 * We give the human user a slight advantage if he is playing white---the
13893 * clocks don't run until he makes his first move, so it takes zero time.
13894 * Also, we don't account for network lag, so we could get out of sync
13895 * with GNU Chess's clock -- but then, referees are always right.
13898 static TimeMark tickStartTM;
13899 static long intendedTickLength;
13902 NextTickLength(timeRemaining)
13903 long timeRemaining;
13905 long nominalTickLength, nextTickLength;
13907 if (timeRemaining > 0L && timeRemaining <= 10000L)
13908 nominalTickLength = 100L;
13910 nominalTickLength = 1000L;
13911 nextTickLength = timeRemaining % nominalTickLength;
13912 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
13914 return nextTickLength;
13917 /* Adjust clock one minute up or down */
13919 AdjustClock(Boolean which, int dir)
13921 if(which) blackTimeRemaining += 60000*dir;
13922 else whiteTimeRemaining += 60000*dir;
13923 DisplayBothClocks();
13926 /* Stop clocks and reset to a fresh time control */
13930 (void) StopClockTimer();
13931 if (appData.icsActive) {
13932 whiteTimeRemaining = blackTimeRemaining = 0;
13933 } else if (searchTime) {
13934 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
13935 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
13936 } else { /* [HGM] correct new time quote for time odds */
13937 whiteTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->timeOdds;
13938 blackTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->other->timeOdds;
13940 if (whiteFlag || blackFlag) {
13942 whiteFlag = blackFlag = FALSE;
13944 DisplayBothClocks();
13947 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
13949 /* Decrement running clock by amount of time that has passed */
13953 long timeRemaining;
13954 long lastTickLength, fudge;
13957 if (!appData.clockMode) return;
13958 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
13962 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
13964 /* Fudge if we woke up a little too soon */
13965 fudge = intendedTickLength - lastTickLength;
13966 if (fudge < 0 || fudge > FUDGE) fudge = 0;
13968 if (WhiteOnMove(forwardMostMove)) {
13969 if(whiteNPS >= 0) lastTickLength = 0;
13970 timeRemaining = whiteTimeRemaining -= lastTickLength;
13971 DisplayWhiteClock(whiteTimeRemaining - fudge,
13972 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
13974 if(blackNPS >= 0) lastTickLength = 0;
13975 timeRemaining = blackTimeRemaining -= lastTickLength;
13976 DisplayBlackClock(blackTimeRemaining - fudge,
13977 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
13980 if (CheckFlags()) return;
13983 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
13984 StartClockTimer(intendedTickLength);
13986 /* if the time remaining has fallen below the alarm threshold, sound the
13987 * alarm. if the alarm has sounded and (due to a takeback or time control
13988 * with increment) the time remaining has increased to a level above the
13989 * threshold, reset the alarm so it can sound again.
13992 if (appData.icsActive && appData.icsAlarm) {
13994 /* make sure we are dealing with the user's clock */
13995 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
13996 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
13999 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
14000 alarmSounded = FALSE;
14001 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
14003 alarmSounded = TRUE;
14009 /* A player has just moved, so stop the previously running
14010 clock and (if in clock mode) start the other one.
14011 We redisplay both clocks in case we're in ICS mode, because
14012 ICS gives us an update to both clocks after every move.
14013 Note that this routine is called *after* forwardMostMove
14014 is updated, so the last fractional tick must be subtracted
14015 from the color that is *not* on move now.
14020 long lastTickLength;
14022 int flagged = FALSE;
14026 if (StopClockTimer() && appData.clockMode) {
14027 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14028 if (WhiteOnMove(forwardMostMove)) {
14029 if(blackNPS >= 0) lastTickLength = 0;
14030 blackTimeRemaining -= lastTickLength;
14031 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14032 // if(pvInfoList[forwardMostMove-1].time == -1)
14033 pvInfoList[forwardMostMove-1].time = // use GUI time
14034 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
14036 if(whiteNPS >= 0) lastTickLength = 0;
14037 whiteTimeRemaining -= lastTickLength;
14038 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14039 // if(pvInfoList[forwardMostMove-1].time == -1)
14040 pvInfoList[forwardMostMove-1].time =
14041 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
14043 flagged = CheckFlags();
14045 CheckTimeControl();
14047 if (flagged || !appData.clockMode) return;
14049 switch (gameMode) {
14050 case MachinePlaysBlack:
14051 case MachinePlaysWhite:
14052 case BeginningOfGame:
14053 if (pausing) return;
14057 case PlayFromGameFile:
14065 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
14066 if(WhiteOnMove(forwardMostMove))
14067 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14068 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14072 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14073 whiteTimeRemaining : blackTimeRemaining);
14074 StartClockTimer(intendedTickLength);
14078 /* Stop both clocks */
14082 long lastTickLength;
14085 if (!StopClockTimer()) return;
14086 if (!appData.clockMode) return;
14090 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14091 if (WhiteOnMove(forwardMostMove)) {
14092 if(whiteNPS >= 0) lastTickLength = 0;
14093 whiteTimeRemaining -= lastTickLength;
14094 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
14096 if(blackNPS >= 0) lastTickLength = 0;
14097 blackTimeRemaining -= lastTickLength;
14098 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
14103 /* Start clock of player on move. Time may have been reset, so
14104 if clock is already running, stop and restart it. */
14108 (void) StopClockTimer(); /* in case it was running already */
14109 DisplayBothClocks();
14110 if (CheckFlags()) return;
14112 if (!appData.clockMode) return;
14113 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
14115 GetTimeMark(&tickStartTM);
14116 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14117 whiteTimeRemaining : blackTimeRemaining);
14119 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
14120 whiteNPS = blackNPS = -1;
14121 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
14122 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
14123 whiteNPS = first.nps;
14124 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
14125 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
14126 blackNPS = first.nps;
14127 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
14128 whiteNPS = second.nps;
14129 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
14130 blackNPS = second.nps;
14131 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
14133 StartClockTimer(intendedTickLength);
14140 long second, minute, hour, day;
14142 static char buf[32];
14144 if (ms > 0 && ms <= 9900) {
14145 /* convert milliseconds to tenths, rounding up */
14146 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
14148 sprintf(buf, " %03.1f ", tenths/10.0);
14152 /* convert milliseconds to seconds, rounding up */
14153 /* use floating point to avoid strangeness of integer division
14154 with negative dividends on many machines */
14155 second = (long) floor(((double) (ms + 999L)) / 1000.0);
14162 day = second / (60 * 60 * 24);
14163 second = second % (60 * 60 * 24);
14164 hour = second / (60 * 60);
14165 second = second % (60 * 60);
14166 minute = second / 60;
14167 second = second % 60;
14170 sprintf(buf, " %s%ld:%02ld:%02ld:%02ld ",
14171 sign, day, hour, minute, second);
14173 sprintf(buf, " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
14175 sprintf(buf, " %s%2ld:%02ld ", sign, minute, second);
14182 * This is necessary because some C libraries aren't ANSI C compliant yet.
14185 StrStr(string, match)
14186 char *string, *match;
14190 length = strlen(match);
14192 for (i = strlen(string) - length; i >= 0; i--, string++)
14193 if (!strncmp(match, string, length))
14200 StrCaseStr(string, match)
14201 char *string, *match;
14205 length = strlen(match);
14207 for (i = strlen(string) - length; i >= 0; i--, string++) {
14208 for (j = 0; j < length; j++) {
14209 if (ToLower(match[j]) != ToLower(string[j]))
14212 if (j == length) return string;
14226 c1 = ToLower(*s1++);
14227 c2 = ToLower(*s2++);
14228 if (c1 > c2) return 1;
14229 if (c1 < c2) return -1;
14230 if (c1 == NULLCHAR) return 0;
14239 return isupper(c) ? tolower(c) : c;
14247 return islower(c) ? toupper(c) : c;
14249 #endif /* !_amigados */
14257 if ((ret = (char *) malloc(strlen(s) + 1))) {
14264 StrSavePtr(s, savePtr)
14265 char *s, **savePtr;
14270 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
14271 strcpy(*savePtr, s);
14283 clock = time((time_t *)NULL);
14284 tm = localtime(&clock);
14285 sprintf(buf, "%04d.%02d.%02d",
14286 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
14287 return StrSave(buf);
14292 PositionToFEN(move, overrideCastling)
14294 char *overrideCastling;
14296 int i, j, fromX, fromY, toX, toY;
14303 whiteToPlay = (gameMode == EditPosition) ?
14304 !blackPlaysFirst : (move % 2 == 0);
14307 /* Piece placement data */
14308 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14310 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14311 if (boards[move][i][j] == EmptySquare) {
14313 } else { ChessSquare piece = boards[move][i][j];
14314 if (emptycount > 0) {
14315 if(emptycount<10) /* [HGM] can be >= 10 */
14316 *p++ = '0' + emptycount;
14317 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14320 if(PieceToChar(piece) == '+') {
14321 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
14323 piece = (ChessSquare)(DEMOTED piece);
14325 *p++ = PieceToChar(piece);
14327 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
14328 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
14333 if (emptycount > 0) {
14334 if(emptycount<10) /* [HGM] can be >= 10 */
14335 *p++ = '0' + emptycount;
14336 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14343 /* [HGM] print Crazyhouse or Shogi holdings */
14344 if( gameInfo.holdingsWidth ) {
14345 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
14347 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
14348 piece = boards[move][i][BOARD_WIDTH-1];
14349 if( piece != EmptySquare )
14350 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
14351 *p++ = PieceToChar(piece);
14353 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
14354 piece = boards[move][BOARD_HEIGHT-i-1][0];
14355 if( piece != EmptySquare )
14356 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
14357 *p++ = PieceToChar(piece);
14360 if( q == p ) *p++ = '-';
14366 *p++ = whiteToPlay ? 'w' : 'b';
14369 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
14370 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
14372 if(nrCastlingRights) {
14374 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
14375 /* [HGM] write directly from rights */
14376 if(boards[move][CASTLING][2] != NoRights &&
14377 boards[move][CASTLING][0] != NoRights )
14378 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
14379 if(boards[move][CASTLING][2] != NoRights &&
14380 boards[move][CASTLING][1] != NoRights )
14381 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
14382 if(boards[move][CASTLING][5] != NoRights &&
14383 boards[move][CASTLING][3] != NoRights )
14384 *p++ = boards[move][CASTLING][3] + AAA;
14385 if(boards[move][CASTLING][5] != NoRights &&
14386 boards[move][CASTLING][4] != NoRights )
14387 *p++ = boards[move][CASTLING][4] + AAA;
14390 /* [HGM] write true castling rights */
14391 if( nrCastlingRights == 6 ) {
14392 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
14393 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
14394 if(boards[move][CASTLING][1] == BOARD_LEFT &&
14395 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
14396 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
14397 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
14398 if(boards[move][CASTLING][4] == BOARD_LEFT &&
14399 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
14402 if (q == p) *p++ = '-'; /* No castling rights */
14406 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14407 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14408 /* En passant target square */
14409 if (move > backwardMostMove) {
14410 fromX = moveList[move - 1][0] - AAA;
14411 fromY = moveList[move - 1][1] - ONE;
14412 toX = moveList[move - 1][2] - AAA;
14413 toY = moveList[move - 1][3] - ONE;
14414 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
14415 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
14416 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
14418 /* 2-square pawn move just happened */
14420 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14424 } else if(move == backwardMostMove) {
14425 // [HGM] perhaps we should always do it like this, and forget the above?
14426 if((signed char)boards[move][EP_STATUS] >= 0) {
14427 *p++ = boards[move][EP_STATUS] + AAA;
14428 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14439 /* [HGM] find reversible plies */
14440 { int i = 0, j=move;
14442 if (appData.debugMode) { int k;
14443 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
14444 for(k=backwardMostMove; k<=forwardMostMove; k++)
14445 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
14449 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
14450 if( j == backwardMostMove ) i += initialRulePlies;
14451 sprintf(p, "%d ", i);
14452 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
14454 /* Fullmove number */
14455 sprintf(p, "%d", (move / 2) + 1);
14457 return StrSave(buf);
14461 ParseFEN(board, blackPlaysFirst, fen)
14463 int *blackPlaysFirst;
14473 /* [HGM] by default clear Crazyhouse holdings, if present */
14474 if(gameInfo.holdingsWidth) {
14475 for(i=0; i<BOARD_HEIGHT; i++) {
14476 board[i][0] = EmptySquare; /* black holdings */
14477 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
14478 board[i][1] = (ChessSquare) 0; /* black counts */
14479 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
14483 /* Piece placement data */
14484 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14487 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
14488 if (*p == '/') p++;
14489 emptycount = gameInfo.boardWidth - j;
14490 while (emptycount--)
14491 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14493 #if(BOARD_FILES >= 10)
14494 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
14495 p++; emptycount=10;
14496 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14497 while (emptycount--)
14498 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14500 } else if (isdigit(*p)) {
14501 emptycount = *p++ - '0';
14502 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
14503 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14504 while (emptycount--)
14505 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14506 } else if (*p == '+' || isalpha(*p)) {
14507 if (j >= gameInfo.boardWidth) return FALSE;
14509 piece = CharToPiece(*++p);
14510 if(piece == EmptySquare) return FALSE; /* unknown piece */
14511 piece = (ChessSquare) (PROMOTED piece ); p++;
14512 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
14513 } else piece = CharToPiece(*p++);
14515 if(piece==EmptySquare) return FALSE; /* unknown piece */
14516 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
14517 piece = (ChessSquare) (PROMOTED piece);
14518 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
14521 board[i][(j++)+gameInfo.holdingsWidth] = piece;
14527 while (*p == '/' || *p == ' ') p++;
14529 /* [HGM] look for Crazyhouse holdings here */
14530 while(*p==' ') p++;
14531 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
14533 if(*p == '-' ) *p++; /* empty holdings */ else {
14534 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
14535 /* if we would allow FEN reading to set board size, we would */
14536 /* have to add holdings and shift the board read so far here */
14537 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
14539 if((int) piece >= (int) BlackPawn ) {
14540 i = (int)piece - (int)BlackPawn;
14541 i = PieceToNumber((ChessSquare)i);
14542 if( i >= gameInfo.holdingsSize ) return FALSE;
14543 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
14544 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
14546 i = (int)piece - (int)WhitePawn;
14547 i = PieceToNumber((ChessSquare)i);
14548 if( i >= gameInfo.holdingsSize ) return FALSE;
14549 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
14550 board[i][BOARD_WIDTH-2]++; /* black holdings */
14554 if(*p == ']') *p++;
14557 while(*p == ' ') p++;
14562 *blackPlaysFirst = FALSE;
14565 *blackPlaysFirst = TRUE;
14571 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
14572 /* return the extra info in global variiables */
14574 /* set defaults in case FEN is incomplete */
14575 board[EP_STATUS] = EP_UNKNOWN;
14576 for(i=0; i<nrCastlingRights; i++ ) {
14577 board[CASTLING][i] =
14578 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
14579 } /* assume possible unless obviously impossible */
14580 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
14581 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
14582 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
14583 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
14584 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
14585 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
14586 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
14587 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
14590 while(*p==' ') p++;
14591 if(nrCastlingRights) {
14592 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
14593 /* castling indicator present, so default becomes no castlings */
14594 for(i=0; i<nrCastlingRights; i++ ) {
14595 board[CASTLING][i] = NoRights;
14598 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
14599 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
14600 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
14601 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
14602 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
14604 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
14605 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
14606 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
14608 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
14609 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
14610 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
14611 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
14612 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
14613 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
14616 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
14617 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
14618 board[CASTLING][2] = whiteKingFile;
14621 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
14622 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
14623 board[CASTLING][2] = whiteKingFile;
14626 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
14627 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
14628 board[CASTLING][5] = blackKingFile;
14631 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
14632 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
14633 board[CASTLING][5] = blackKingFile;
14636 default: /* FRC castlings */
14637 if(c >= 'a') { /* black rights */
14638 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
14639 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
14640 if(i == BOARD_RGHT) break;
14641 board[CASTLING][5] = i;
14643 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
14644 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
14646 board[CASTLING][3] = c;
14648 board[CASTLING][4] = c;
14649 } else { /* white rights */
14650 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
14651 if(board[0][i] == WhiteKing) break;
14652 if(i == BOARD_RGHT) break;
14653 board[CASTLING][2] = i;
14654 c -= AAA - 'a' + 'A';
14655 if(board[0][c] >= WhiteKing) break;
14657 board[CASTLING][0] = c;
14659 board[CASTLING][1] = c;
14663 for(i=0; i<nrCastlingRights; i++)
14664 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
14665 if (appData.debugMode) {
14666 fprintf(debugFP, "FEN castling rights:");
14667 for(i=0; i<nrCastlingRights; i++)
14668 fprintf(debugFP, " %d", board[CASTLING][i]);
14669 fprintf(debugFP, "\n");
14672 while(*p==' ') p++;
14675 /* read e.p. field in games that know e.p. capture */
14676 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14677 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14679 p++; board[EP_STATUS] = EP_NONE;
14681 char c = *p++ - AAA;
14683 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
14684 if(*p >= '0' && *p <='9') *p++;
14685 board[EP_STATUS] = c;
14690 if(sscanf(p, "%d", &i) == 1) {
14691 FENrulePlies = i; /* 50-move ply counter */
14692 /* (The move number is still ignored) */
14699 EditPositionPasteFEN(char *fen)
14702 Board initial_position;
14704 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
14705 DisplayError(_("Bad FEN position in clipboard"), 0);
14708 int savedBlackPlaysFirst = blackPlaysFirst;
14709 EditPositionEvent();
14710 blackPlaysFirst = savedBlackPlaysFirst;
14711 CopyBoard(boards[0], initial_position);
14712 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
14713 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
14714 DisplayBothClocks();
14715 DrawPosition(FALSE, boards[currentMove]);
14720 static char cseq[12] = "\\ ";
14722 Boolean set_cont_sequence(char *new_seq)
14727 // handle bad attempts to set the sequence
14729 return 0; // acceptable error - no debug
14731 len = strlen(new_seq);
14732 ret = (len > 0) && (len < sizeof(cseq));
14734 strcpy(cseq, new_seq);
14735 else if (appData.debugMode)
14736 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
14741 reformat a source message so words don't cross the width boundary. internal
14742 newlines are not removed. returns the wrapped size (no null character unless
14743 included in source message). If dest is NULL, only calculate the size required
14744 for the dest buffer. lp argument indicats line position upon entry, and it's
14745 passed back upon exit.
14747 int wrap(char *dest, char *src, int count, int width, int *lp)
14749 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
14751 cseq_len = strlen(cseq);
14752 old_line = line = *lp;
14753 ansi = len = clen = 0;
14755 for (i=0; i < count; i++)
14757 if (src[i] == '\033')
14760 // if we hit the width, back up
14761 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
14763 // store i & len in case the word is too long
14764 old_i = i, old_len = len;
14766 // find the end of the last word
14767 while (i && src[i] != ' ' && src[i] != '\n')
14773 // word too long? restore i & len before splitting it
14774 if ((old_i-i+clen) >= width)
14781 if (i && src[i-1] == ' ')
14784 if (src[i] != ' ' && src[i] != '\n')
14791 // now append the newline and continuation sequence
14796 strncpy(dest+len, cseq, cseq_len);
14804 dest[len] = src[i];
14808 if (src[i] == '\n')
14813 if (dest && appData.debugMode)
14815 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
14816 count, width, line, len, *lp);
14817 show_bytes(debugFP, src, count);
14818 fprintf(debugFP, "\ndest: ");
14819 show_bytes(debugFP, dest, len);
14820 fprintf(debugFP, "\n");
14822 *lp = dest ? line : old_line;
14827 // [HGM] vari: routines for shelving variations
14830 PushTail(int firstMove, int lastMove)
14832 int i, j, nrMoves = lastMove - firstMove;
14834 if(appData.icsActive) { // only in local mode
14835 forwardMostMove = currentMove; // mimic old ICS behavior
14838 if(storedGames >= MAX_VARIATIONS-1) return;
14840 // push current tail of game on stack
14841 savedResult[storedGames] = gameInfo.result;
14842 savedDetails[storedGames] = gameInfo.resultDetails;
14843 gameInfo.resultDetails = NULL;
14844 savedFirst[storedGames] = firstMove;
14845 savedLast [storedGames] = lastMove;
14846 savedFramePtr[storedGames] = framePtr;
14847 framePtr -= nrMoves; // reserve space for the boards
14848 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
14849 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
14850 for(j=0; j<MOVE_LEN; j++)
14851 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
14852 for(j=0; j<2*MOVE_LEN; j++)
14853 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
14854 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
14855 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
14856 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
14857 pvInfoList[firstMove+i-1].depth = 0;
14858 commentList[framePtr+i] = commentList[firstMove+i];
14859 commentList[firstMove+i] = NULL;
14863 forwardMostMove = currentMove; // truncte game so we can start variation
14864 if(storedGames == 1) GreyRevert(FALSE);
14868 PopTail(Boolean annotate)
14871 char buf[8000], moveBuf[20];
14873 if(appData.icsActive) return FALSE; // only in local mode
14874 if(!storedGames) return FALSE; // sanity
14877 ToNrEvent(savedFirst[storedGames]); // sets currentMove
14878 nrMoves = savedLast[storedGames] - currentMove;
14881 if(!WhiteOnMove(currentMove)) sprintf(buf, "(%d...", currentMove+2>>1);
14882 else strcpy(buf, "(");
14883 for(i=currentMove; i<forwardMostMove; i++) {
14885 sprintf(moveBuf, " %d. %s", i+2>>1, SavePart(parseList[i]));
14886 else sprintf(moveBuf, " %s", SavePart(parseList[i]));
14887 strcat(buf, moveBuf);
14888 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
14892 for(i=1; i<nrMoves; i++) { // copy last variation back
14893 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
14894 for(j=0; j<MOVE_LEN; j++)
14895 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
14896 for(j=0; j<2*MOVE_LEN; j++)
14897 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
14898 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
14899 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
14900 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
14901 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
14902 commentList[currentMove+i] = commentList[framePtr+i];
14903 commentList[framePtr+i] = NULL;
14905 if(annotate) AppendComment(currentMove+1, buf, FALSE);
14906 framePtr = savedFramePtr[storedGames];
14907 gameInfo.result = savedResult[storedGames];
14908 if(gameInfo.resultDetails != NULL) {
14909 free(gameInfo.resultDetails);
14911 gameInfo.resultDetails = savedDetails[storedGames];
14912 forwardMostMove = currentMove + nrMoves;
14913 if(storedGames == 0) GreyRevert(TRUE);
14919 { // remove all shelved variations
14921 for(i=0; i<storedGames; i++) {
14922 if(savedDetails[i])
14923 free(savedDetails[i]);
14924 savedDetails[i] = NULL;
14926 for(i=framePtr; i<MAX_MOVES; i++) {
14927 if(commentList[i]) free(commentList[i]);
14928 commentList[i] = NULL;
14930 framePtr = MAX_MOVES-1;