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 */
5341 static int autoQueen; // [HGM] oneclick
5344 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice)
5346 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
5347 /* [HGM] add Shogi promotions */
5348 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
5353 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
5354 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
5356 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
5357 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
5360 piece = boards[currentMove][fromY][fromX];
5361 if(gameInfo.variant == VariantShogi) {
5362 promotionZoneSize = 3;
5363 highestPromotingPiece = (int)WhiteFerz;
5364 } else if(gameInfo.variant == VariantMakruk) {
5365 promotionZoneSize = 3;
5368 // next weed out all moves that do not touch the promotion zone at all
5369 if((int)piece >= BlackPawn) {
5370 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
5372 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
5374 if( toY < BOARD_HEIGHT - promotionZoneSize &&
5375 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
5378 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
5380 // weed out mandatory Shogi promotions
5381 if(gameInfo.variant == VariantShogi) {
5382 if(piece >= BlackPawn) {
5383 if(toY == 0 && piece == BlackPawn ||
5384 toY == 0 && piece == BlackQueen ||
5385 toY <= 1 && piece == BlackKnight) {
5390 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
5391 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
5392 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
5399 // weed out obviously illegal Pawn moves
5400 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
5401 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
5402 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
5403 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
5404 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
5405 // note we are not allowed to test for valid (non-)capture, due to premove
5408 // we either have a choice what to promote to, or (in Shogi) whether to promote
5409 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
5410 *promoChoice = PieceToChar(BlackFerz); // no choice
5413 if(autoQueen) { // predetermined
5414 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantLosers)
5415 *promoChoice = PieceToChar(BlackKing); // in Suicide Q is the last thing we want
5416 else *promoChoice = PieceToChar(BlackQueen);
5420 // suppress promotion popup on illegal moves that are not premoves
5421 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
5422 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
5423 if(appData.testLegality && !premove) {
5424 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5425 fromY, fromX, toY, toX, NULLCHAR);
5426 if(moveType != WhitePromotionQueen && moveType != BlackPromotionQueen &&
5427 moveType != WhitePromotionKnight && moveType != BlackPromotionKnight)
5435 InPalace(row, column)
5437 { /* [HGM] for Xiangqi */
5438 if( (row < 3 || row > BOARD_HEIGHT-4) &&
5439 column < (BOARD_WIDTH + 4)/2 &&
5440 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
5445 PieceForSquare (x, y)
5449 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
5452 return boards[currentMove][y][x];
5456 OKToStartUserMove(x, y)
5459 ChessSquare from_piece;
5462 if (matchMode) return FALSE;
5463 if (gameMode == EditPosition) return TRUE;
5465 if (x >= 0 && y >= 0)
5466 from_piece = boards[currentMove][y][x];
5468 from_piece = EmptySquare;
5470 if (from_piece == EmptySquare) return FALSE;
5472 white_piece = (int)from_piece >= (int)WhitePawn &&
5473 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
5476 case PlayFromGameFile:
5478 case TwoMachinesPlay:
5486 case MachinePlaysWhite:
5487 case IcsPlayingBlack:
5488 if (appData.zippyPlay) return FALSE;
5490 DisplayMoveError(_("You are playing Black"));
5495 case MachinePlaysBlack:
5496 case IcsPlayingWhite:
5497 if (appData.zippyPlay) return FALSE;
5499 DisplayMoveError(_("You are playing White"));
5505 if (!white_piece && WhiteOnMove(currentMove)) {
5506 DisplayMoveError(_("It is White's turn"));
5509 if (white_piece && !WhiteOnMove(currentMove)) {
5510 DisplayMoveError(_("It is Black's turn"));
5513 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
5514 /* Editing correspondence game history */
5515 /* Could disallow this or prompt for confirmation */
5520 case BeginningOfGame:
5521 if (appData.icsActive) return FALSE;
5522 if (!appData.noChessProgram) {
5524 DisplayMoveError(_("You are playing White"));
5531 if (!white_piece && WhiteOnMove(currentMove)) {
5532 DisplayMoveError(_("It is White's turn"));
5535 if (white_piece && !WhiteOnMove(currentMove)) {
5536 DisplayMoveError(_("It is Black's turn"));
5545 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
5546 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
5547 && gameMode != AnalyzeFile && gameMode != Training) {
5548 DisplayMoveError(_("Displayed position is not current"));
5555 OnlyMove(int *x, int *y) {
5556 DisambiguateClosure cl;
5557 if (appData.zippyPlay) return FALSE;
5559 case MachinePlaysBlack:
5560 case IcsPlayingWhite:
5561 case BeginningOfGame:
5562 if(!WhiteOnMove(currentMove)) return FALSE;
5564 case MachinePlaysWhite:
5565 case IcsPlayingBlack:
5566 if(WhiteOnMove(currentMove)) return FALSE;
5571 cl.pieceIn = EmptySquare;
5576 cl.promoCharIn = NULLCHAR;
5577 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5578 if( cl.kind == NormalMove ||
5579 cl.kind == WhitePromotionQueen || cl.kind == BlackPromotionQueen ||
5580 cl.kind == WhitePromotionKnight || cl.kind == BlackPromotionKnight ||
5581 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5588 if(cl.kind != ImpossibleMove) return FALSE;
5589 cl.pieceIn = EmptySquare;
5594 cl.promoCharIn = NULLCHAR;
5595 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5596 if( cl.kind == NormalMove ||
5597 cl.kind == WhitePromotionQueen || cl.kind == BlackPromotionQueen ||
5598 cl.kind == WhitePromotionKnight || cl.kind == BlackPromotionKnight ||
5599 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5604 autoQueen = TRUE; // act as if autoQueen on when we click to-square
5610 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
5611 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
5612 int lastLoadGameUseList = FALSE;
5613 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
5614 ChessMove lastLoadGameStart = (ChessMove) 0;
5617 UserMoveTest(fromX, fromY, toX, toY, promoChar, captureOwn)
5618 int fromX, fromY, toX, toY;
5623 ChessSquare pdown, pup;
5625 /* Check if the user is playing in turn. This is complicated because we
5626 let the user "pick up" a piece before it is his turn. So the piece he
5627 tried to pick up may have been captured by the time he puts it down!
5628 Therefore we use the color the user is supposed to be playing in this
5629 test, not the color of the piece that is currently on the starting
5630 square---except in EditGame mode, where the user is playing both
5631 sides; fortunately there the capture race can't happen. (It can
5632 now happen in IcsExamining mode, but that's just too bad. The user
5633 will get a somewhat confusing message in that case.)
5637 case PlayFromGameFile:
5639 case TwoMachinesPlay:
5643 /* We switched into a game mode where moves are not accepted,
5644 perhaps while the mouse button was down. */
5645 return ImpossibleMove;
5647 case MachinePlaysWhite:
5648 /* User is moving for Black */
5649 if (WhiteOnMove(currentMove)) {
5650 DisplayMoveError(_("It is White's turn"));
5651 return ImpossibleMove;
5655 case MachinePlaysBlack:
5656 /* User is moving for White */
5657 if (!WhiteOnMove(currentMove)) {
5658 DisplayMoveError(_("It is Black's turn"));
5659 return ImpossibleMove;
5665 case BeginningOfGame:
5668 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
5669 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
5670 /* User is moving for Black */
5671 if (WhiteOnMove(currentMove)) {
5672 DisplayMoveError(_("It is White's turn"));
5673 return ImpossibleMove;
5676 /* User is moving for White */
5677 if (!WhiteOnMove(currentMove)) {
5678 DisplayMoveError(_("It is Black's turn"));
5679 return ImpossibleMove;
5684 case IcsPlayingBlack:
5685 /* User is moving for Black */
5686 if (WhiteOnMove(currentMove)) {
5687 if (!appData.premove) {
5688 DisplayMoveError(_("It is White's turn"));
5689 } else if (toX >= 0 && toY >= 0) {
5692 premoveFromX = fromX;
5693 premoveFromY = fromY;
5694 premovePromoChar = promoChar;
5696 if (appData.debugMode)
5697 fprintf(debugFP, "Got premove: fromX %d,"
5698 "fromY %d, toX %d, toY %d\n",
5699 fromX, fromY, toX, toY);
5701 return ImpossibleMove;
5705 case IcsPlayingWhite:
5706 /* User is moving for White */
5707 if (!WhiteOnMove(currentMove)) {
5708 if (!appData.premove) {
5709 DisplayMoveError(_("It is Black's turn"));
5710 } else if (toX >= 0 && toY >= 0) {
5713 premoveFromX = fromX;
5714 premoveFromY = fromY;
5715 premovePromoChar = promoChar;
5717 if (appData.debugMode)
5718 fprintf(debugFP, "Got premove: fromX %d,"
5719 "fromY %d, toX %d, toY %d\n",
5720 fromX, fromY, toX, toY);
5722 return ImpossibleMove;
5730 /* EditPosition, empty square, or different color piece;
5731 click-click move is possible */
5732 if (toX == -2 || toY == -2) {
5733 boards[0][fromY][fromX] = EmptySquare;
5734 return AmbiguousMove;
5735 } else if (toX >= 0 && toY >= 0) {
5736 boards[0][toY][toX] = boards[0][fromY][fromX];
5737 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
5738 if(boards[0][fromY][0] != EmptySquare) {
5739 if(boards[0][fromY][1]) boards[0][fromY][1]--;
5740 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
5743 if(fromX == BOARD_RGHT+1) {
5744 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
5745 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
5746 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
5749 boards[0][fromY][fromX] = EmptySquare;
5750 return AmbiguousMove;
5752 return ImpossibleMove;
5755 if(toX < 0 || toY < 0) return ImpossibleMove;
5756 pdown = boards[currentMove][fromY][fromX];
5757 pup = boards[currentMove][toY][toX];
5759 /* [HGM] If move started in holdings, it means a drop */
5760 if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) {
5761 if( pup != EmptySquare ) return ImpossibleMove;
5762 if(appData.testLegality) {
5763 /* it would be more logical if LegalityTest() also figured out
5764 * which drops are legal. For now we forbid pawns on back rank.
5765 * Shogi is on its own here...
5767 if( (pdown == WhitePawn || pdown == BlackPawn) &&
5768 (toY == 0 || toY == BOARD_HEIGHT -1 ) )
5769 return(ImpossibleMove); /* no pawn drops on 1st/8th */
5771 return WhiteDrop; /* Not needed to specify white or black yet */
5774 /* [HGM] always test for legality, to get promotion info */
5775 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5776 fromY, fromX, toY, toX, promoChar);
5777 /* [HGM] but possibly ignore an IllegalMove result */
5778 if (appData.testLegality) {
5779 if (moveType == IllegalMove || moveType == ImpossibleMove) {
5780 DisplayMoveError(_("Illegal move"));
5781 return ImpossibleMove;
5786 /* [HGM] <popupFix> in stead of calling FinishMove directly, this
5787 function is made into one that returns an OK move type if FinishMove
5788 should be called. This to give the calling driver routine the
5789 opportunity to finish the userMove input with a promotion popup,
5790 without bothering the user with this for invalid or illegal moves */
5792 /* FinishMove(moveType, fromX, fromY, toX, toY, promoChar); */
5795 /* Common tail of UserMoveEvent and DropMenuEvent */
5797 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
5799 int fromX, fromY, toX, toY;
5800 /*char*/int promoChar;
5804 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR) {
5805 // [HGM] superchess: suppress promotions to non-available piece
5806 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
5807 if(WhiteOnMove(currentMove)) {
5808 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
5810 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
5814 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
5815 move type in caller when we know the move is a legal promotion */
5816 if(moveType == NormalMove && promoChar)
5817 moveType = PromoCharToMoveType(WhiteOnMove(currentMove), promoChar);
5819 /* [HGM] convert drag-and-drop piece drops to standard form */
5820 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ){
5821 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
5822 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
5823 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
5824 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
5825 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
5826 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
5827 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
5831 /* [HGM] <popupFix> The following if has been moved here from
5832 UserMoveEvent(). Because it seemed to belong here (why not allow
5833 piece drops in training games?), and because it can only be
5834 performed after it is known to what we promote. */
5835 if (gameMode == Training) {
5836 /* compare the move played on the board to the next move in the
5837 * game. If they match, display the move and the opponent's response.
5838 * If they don't match, display an error message.
5842 CopyBoard(testBoard, boards[currentMove]);
5843 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
5845 if (CompareBoards(testBoard, boards[currentMove+1])) {
5846 ForwardInner(currentMove+1);
5848 /* Autoplay the opponent's response.
5849 * if appData.animate was TRUE when Training mode was entered,
5850 * the response will be animated.
5852 saveAnimate = appData.animate;
5853 appData.animate = animateTraining;
5854 ForwardInner(currentMove+1);
5855 appData.animate = saveAnimate;
5857 /* check for the end of the game */
5858 if (currentMove >= forwardMostMove) {
5859 gameMode = PlayFromGameFile;
5861 SetTrainingModeOff();
5862 DisplayInformation(_("End of game"));
5865 DisplayError(_("Incorrect move"), 0);
5870 /* Ok, now we know that the move is good, so we can kill
5871 the previous line in Analysis Mode */
5872 if ((gameMode == AnalyzeMode || gameMode == EditGame)
5873 && currentMove < forwardMostMove) {
5874 PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
5877 /* If we need the chess program but it's dead, restart it */
5878 ResurrectChessProgram();
5880 /* A user move restarts a paused game*/
5884 thinkOutput[0] = NULLCHAR;
5886 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
5888 if(Adjudicate(NULL)) return 1; // [HGM] adjudicate: take care of automtic game end
5890 if (gameMode == BeginningOfGame) {
5891 if (appData.noChessProgram) {
5892 gameMode = EditGame;
5896 gameMode = MachinePlaysBlack;
5899 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
5901 if (first.sendName) {
5902 sprintf(buf, "name %s\n", gameInfo.white);
5903 SendToProgram(buf, &first);
5910 /* Relay move to ICS or chess engine */
5911 if (appData.icsActive) {
5912 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
5913 gameMode == IcsExamining) {
5914 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
5915 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
5917 SendMoveToICS(moveType, fromX, fromY, toX, toY);
5919 // also send plain move, in case ICS does not understand atomic claims
5920 SendMoveToICS(moveType, fromX, fromY, toX, toY);
5924 if (first.sendTime && (gameMode == BeginningOfGame ||
5925 gameMode == MachinePlaysWhite ||
5926 gameMode == MachinePlaysBlack)) {
5927 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
5929 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
5930 // [HGM] book: if program might be playing, let it use book
5931 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
5932 first.maybeThinking = TRUE;
5933 } else SendMoveToProgram(forwardMostMove-1, &first);
5934 if (currentMove == cmailOldMove + 1) {
5935 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
5939 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
5943 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
5949 if (WhiteOnMove(currentMove)) {
5950 GameEnds(BlackWins, "Black mates", GE_PLAYER);
5952 GameEnds(WhiteWins, "White mates", GE_PLAYER);
5956 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
5961 case MachinePlaysBlack:
5962 case MachinePlaysWhite:
5963 /* disable certain menu options while machine is thinking */
5964 SetMachineThinkingEnables();
5971 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
5973 if(bookHit) { // [HGM] book: simulate book reply
5974 static char bookMove[MSG_SIZ]; // a bit generous?
5976 programStats.nodes = programStats.depth = programStats.time =
5977 programStats.score = programStats.got_only_move = 0;
5978 sprintf(programStats.movelist, "%s (xbook)", bookHit);
5980 strcpy(bookMove, "move ");
5981 strcat(bookMove, bookHit);
5982 HandleMachineMove(bookMove, &first);
5988 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
5989 int fromX, fromY, toX, toY;
5992 /* [HGM] This routine was added to allow calling of its two logical
5993 parts from other modules in the old way. Before, UserMoveEvent()
5994 automatically called FinishMove() if the move was OK, and returned
5995 otherwise. I separated the two, in order to make it possible to
5996 slip a promotion popup in between. But that it always needs two
5997 calls, to the first part, (now called UserMoveTest() ), and to
5998 FinishMove if the first part succeeded. Calls that do not need
5999 to do anything in between, can call this routine the old way.
6001 ChessMove moveType = UserMoveTest(fromX, fromY, toX, toY, promoChar, FALSE);
6002 if(appData.debugMode) fprintf(debugFP, "moveType 4 = %d, promochar = %x\n", moveType, promoChar);
6003 if(moveType == AmbiguousMove)
6004 DrawPosition(FALSE, boards[currentMove]);
6005 else if(moveType != ImpossibleMove && moveType != Comment)
6006 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6010 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6017 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6018 Markers *m = (Markers *) closure;
6019 if(rf == fromY && ff == fromX)
6020 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6021 || kind == WhiteCapturesEnPassant
6022 || kind == BlackCapturesEnPassant);
6023 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6027 MarkTargetSquares(int clear)
6030 if(!appData.markers || !appData.highlightDragging ||
6031 !appData.testLegality || gameMode == EditPosition) return;
6033 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6036 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker);
6037 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6038 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6040 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6043 DrawPosition(TRUE, NULL);
6046 void LeftClick(ClickType clickType, int xPix, int yPix)
6049 Boolean saveAnimate;
6050 static int second = 0, promotionChoice = 0;
6051 char promoChoice = NULLCHAR;
6053 if(appData.seekGraph && appData.icsActive && loggedOn &&
6054 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6055 SeekGraphClick(clickType, xPix, yPix, 0);
6059 if (clickType == Press) ErrorPopDown();
6060 MarkTargetSquares(1);
6062 x = EventToSquare(xPix, BOARD_WIDTH);
6063 y = EventToSquare(yPix, BOARD_HEIGHT);
6064 if (!flipView && y >= 0) {
6065 y = BOARD_HEIGHT - 1 - y;
6067 if (flipView && x >= 0) {
6068 x = BOARD_WIDTH - 1 - x;
6071 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6072 if(clickType == Release) return; // ignore upclick of click-click destination
6073 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6074 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6075 if(gameInfo.holdingsWidth &&
6076 (WhiteOnMove(currentMove)
6077 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y > 0
6078 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT-1) ) {
6079 // click in right holdings, for determining promotion piece
6080 ChessSquare p = boards[currentMove][y][x];
6081 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6082 if(p != EmptySquare) {
6083 FinishMove(NormalMove, fromX, fromY, toX, toY, ToLower(PieceToChar(p)));
6088 DrawPosition(FALSE, boards[currentMove]);
6092 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6093 if(clickType == Press
6094 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6095 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6096 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6099 autoQueen = appData.alwaysPromoteToQueen;
6102 if(!appData.oneClick || !OnlyMove(&x, &y)) {
6103 if (clickType == Press) {
6105 if (OKToStartUserMove(x, y)) {
6109 MarkTargetSquares(0);
6110 DragPieceBegin(xPix, yPix);
6111 if (appData.highlightDragging) {
6112 SetHighlights(x, y, -1, -1);
6121 if (clickType == Press && gameMode != EditPosition) {
6126 // ignore off-board to clicks
6127 if(y < 0 || x < 0) return;
6129 /* Check if clicking again on the same color piece */
6130 fromP = boards[currentMove][fromY][fromX];
6131 toP = boards[currentMove][y][x];
6132 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom;
6133 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6134 WhitePawn <= toP && toP <= WhiteKing &&
6135 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6136 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6137 (BlackPawn <= fromP && fromP <= BlackKing &&
6138 BlackPawn <= toP && toP <= BlackKing &&
6139 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6140 !(fromP == BlackKing && toP == BlackRook && frc))) {
6141 /* Clicked again on same color piece -- changed his mind */
6142 second = (x == fromX && y == fromY);
6143 if (appData.highlightDragging) {
6144 SetHighlights(x, y, -1, -1);
6148 if (OKToStartUserMove(x, y)) {
6151 MarkTargetSquares(0);
6152 DragPieceBegin(xPix, yPix);
6156 // ignore clicks on holdings
6157 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6160 if (clickType == Release && x == fromX && y == fromY) {
6161 DragPieceEnd(xPix, yPix);
6162 if (appData.animateDragging) {
6163 /* Undo animation damage if any */
6164 DrawPosition(FALSE, NULL);
6167 /* Second up/down in same square; just abort move */
6172 ClearPremoveHighlights();
6174 /* First upclick in same square; start click-click mode */
6175 SetHighlights(x, y, -1, -1);
6180 /* we now have a different from- and (possibly off-board) to-square */
6181 /* Completed move */
6184 saveAnimate = appData.animate;
6185 if (clickType == Press) {
6186 /* Finish clickclick move */
6187 if (appData.animate || appData.highlightLastMove) {
6188 SetHighlights(fromX, fromY, toX, toY);
6193 /* Finish drag move */
6194 if (appData.highlightLastMove) {
6195 SetHighlights(fromX, fromY, toX, toY);
6199 DragPieceEnd(xPix, yPix);
6200 /* Don't animate move and drag both */
6201 appData.animate = FALSE;
6204 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
6205 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
6206 ChessSquare piece = boards[currentMove][fromY][fromX];
6207 if(gameMode == EditPosition && piece != EmptySquare &&
6208 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
6211 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
6212 n = PieceToNumber(piece - (int)BlackPawn);
6213 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
6214 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
6215 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
6217 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
6218 n = PieceToNumber(piece);
6219 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
6220 boards[currentMove][n][BOARD_WIDTH-1] = piece;
6221 boards[currentMove][n][BOARD_WIDTH-2]++;
6223 boards[currentMove][fromY][fromX] = EmptySquare;
6227 DrawPosition(TRUE, boards[currentMove]);
6231 // off-board moves should not be highlighted
6232 if(x < 0 || x < 0) ClearHighlights();
6234 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
6235 SetHighlights(fromX, fromY, toX, toY);
6236 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6237 // [HGM] super: promotion to captured piece selected from holdings
6238 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
6239 promotionChoice = TRUE;
6240 // kludge follows to temporarily execute move on display, without promoting yet
6241 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
6242 boards[currentMove][toY][toX] = p;
6243 DrawPosition(FALSE, boards[currentMove]);
6244 boards[currentMove][fromY][fromX] = p; // take back, but display stays
6245 boards[currentMove][toY][toX] = q;
6246 DisplayMessage("Click in holdings to choose piece", "");
6251 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
6252 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
6253 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
6256 appData.animate = saveAnimate;
6257 if (appData.animate || appData.animateDragging) {
6258 /* Undo animation damage if needed */
6259 DrawPosition(FALSE, NULL);
6263 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
6264 { // front-end-free part taken out of PieceMenuPopup
6265 int whichMenu; int xSqr, ySqr;
6267 if(seekGraphUp) { // [HGM] seekgraph
6268 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
6269 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
6273 xSqr = EventToSquare(x, BOARD_WIDTH);
6274 ySqr = EventToSquare(y, BOARD_HEIGHT);
6275 if (action == Release) UnLoadPV(); // [HGM] pv
6276 if (action != Press) return -2; // return code to be ignored
6279 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
\r
6281 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
\r
6282 if (xSqr < 0 || ySqr < 0) return -1;
\r
6283 whichMenu = 0; // edit-position menu
6286 if(!appData.icsEngineAnalyze) return -1;
6287 case IcsPlayingWhite:
6288 case IcsPlayingBlack:
6289 if(!appData.zippyPlay) goto noZip;
6292 case MachinePlaysWhite:
6293 case MachinePlaysBlack:
6294 case TwoMachinesPlay: // [HGM] pv: use for showing PV
6295 if (!appData.dropMenu) {
6297 return 2; // flag front-end to grab mouse events
6299 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
6300 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
6303 if (xSqr < 0 || ySqr < 0) return -1;
6304 if (!appData.dropMenu || appData.testLegality &&
6305 gameInfo.variant != VariantBughouse &&
6306 gameInfo.variant != VariantCrazyhouse) return -1;
6307 whichMenu = 1; // drop menu
6313 if (((*fromX = xSqr) < 0) ||
6314 ((*fromY = ySqr) < 0)) {
6315 *fromX = *fromY = -1;
6319 *fromX = BOARD_WIDTH - 1 - *fromX;
6321 *fromY = BOARD_HEIGHT - 1 - *fromY;
6326 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
6328 // char * hint = lastHint;
6329 FrontEndProgramStats stats;
6331 stats.which = cps == &first ? 0 : 1;
6332 stats.depth = cpstats->depth;
6333 stats.nodes = cpstats->nodes;
6334 stats.score = cpstats->score;
6335 stats.time = cpstats->time;
6336 stats.pv = cpstats->movelist;
6337 stats.hint = lastHint;
6338 stats.an_move_index = 0;
6339 stats.an_move_count = 0;
6341 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
6342 stats.hint = cpstats->move_name;
6343 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
6344 stats.an_move_count = cpstats->nr_moves;
6347 if(stats.pv && stats.pv[0]) strcpy(lastPV[stats.which], stats.pv); // [HGM] pv: remember last PV of each
6349 SetProgramStats( &stats );
6353 Adjudicate(ChessProgramState *cps)
6354 { // [HGM] some adjudications useful with buggy engines
6355 // [HGM] adjudicate: made into separate routine, which now can be called after every move
6356 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
6357 // Actually ending the game is now based on the additional internal condition canAdjudicate.
6358 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
6359 int k, count = 0; static int bare = 1;
6360 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
6361 Boolean canAdjudicate = !appData.icsActive;
6363 // most tests only when we understand the game, i.e. legality-checking on, and (for the time being) no piece drops
6364 if(gameInfo.holdingsSize == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6365 if( appData.testLegality )
6366 { /* [HGM] Some more adjudications for obstinate engines */
6367 int NrWN=0, NrBN=0, NrWB=0, NrBB=0, NrWR=0, NrBR=0,
6368 NrWQ=0, NrBQ=0, NrW=0, NrK=0, bishopsColor = 0,
6369 NrPieces=0, NrPawns=0, PawnAdvance=0, i, j;
6370 static int moveCount = 6;
6372 char *reason = NULL;
6374 /* Count what is on board. */
6375 for(i=0; i<BOARD_HEIGHT; i++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
6376 { ChessSquare p = boards[forwardMostMove][i][j];
6380 { /* count B,N,R and other of each side */
6383 NrK++; break; // [HGM] atomic: count Kings
6387 case WhiteFerz: // [HGM] shatranj: kludge to mke it work in shatranj
6388 bishopsColor |= 1 << ((i^j)&1);
6393 case BlackFerz: // [HGM] shatranj: kludge to mke it work in shatranj
6394 bishopsColor |= 1 << ((i^j)&1);
6409 PawnAdvance += m; NrPawns++;
6411 NrPieces += (p != EmptySquare);
6412 NrW += ((int)p < (int)BlackPawn);
6413 if(gameInfo.variant == VariantXiangqi &&
6414 (p == WhiteFerz || p == WhiteAlfil || p == BlackFerz || p == BlackAlfil)) {
6415 NrPieces--; // [HGM] XQ: do not count purely defensive pieces
6416 NrW -= ((int)p < (int)BlackPawn);
6420 /* Some material-based adjudications that have to be made before stalemate test */
6421 if(gameInfo.variant == VariantAtomic && NrK < 2) {
6422 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
6423 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
6424 if(canAdjudicate && appData.checkMates) {
6426 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6427 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6428 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
6429 "Xboard adjudication: King destroyed", GE_XBOARD );
6434 /* Bare King in Shatranj (loses) or Losers (wins) */
6435 if( NrW == 1 || NrPieces - NrW == 1) {
6436 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
6437 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
6438 if(canAdjudicate && appData.checkMates) {
6440 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
6441 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6442 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6443 "Xboard adjudication: Bare king", GE_XBOARD );
6447 if( gameInfo.variant == VariantShatranj && --bare < 0)
6449 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
6450 if(canAdjudicate && appData.checkMates) {
6451 /* but only adjudicate if adjudication enabled */
6453 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6454 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6455 GameEnds( NrW > 1 ? WhiteWins : NrPieces - NrW > 1 ? BlackWins : GameIsDrawn,
6456 "Xboard adjudication: Bare king", GE_XBOARD );
6463 // don't wait for engine to announce game end if we can judge ourselves
6464 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
6466 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
6467 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
6468 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
6469 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
6472 reason = "Xboard adjudication: 3rd check";
6473 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
6483 reason = "Xboard adjudication: Stalemate";
6484 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
6485 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
6486 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
6487 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
6488 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
6489 boards[forwardMostMove][EP_STATUS] = NrW == NrPieces-NrW ? EP_STALEMATE :
6490 ((NrW < NrPieces-NrW) != WhiteOnMove(forwardMostMove) ?
6491 EP_CHECKMATE : EP_WINS);
6492 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
6493 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
6497 reason = "Xboard adjudication: Checkmate";
6498 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
6502 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
6504 result = GameIsDrawn; break;
6506 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
6508 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
6510 result = (ChessMove) 0;
6512 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
6514 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6515 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6516 GameEnds( result, reason, GE_XBOARD );
6520 /* Next absolutely insufficient mating material. */
6521 if( NrPieces == 2 || gameInfo.variant != VariantXiangqi &&
6522 gameInfo.variant != VariantShatranj && // [HGM] baring will remain possible
6523 (NrPieces == 3 && NrWN+NrBN+NrWB+NrBB == 1 ||
6524 NrPieces == NrBB+NrWB+2 && bishopsColor != 3)) // [HGM] all Bishops (Ferz!) same color
6525 { /* KBK, KNK, KK of KBKB with like Bishops */
6527 /* always flag draws, for judging claims */
6528 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
6530 if(canAdjudicate && appData.materialDraws) {
6531 /* but only adjudicate them if adjudication enabled */
6532 if(engineOpponent) {
6533 SendToProgram("force\n", engineOpponent); // suppress reply
6534 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
6536 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6537 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
6542 /* Then some trivial draws (only adjudicate, cannot be claimed) */
6544 ( NrWR == 1 && NrBR == 1 /* KRKR */
6545 || NrWQ==1 && NrBQ==1 /* KQKQ */
6546 || NrWN==2 || NrBN==2 /* KNNK */
6547 || NrWN+NrWB == 1 && NrBN+NrBB == 1 /* KBKN, KBKB, KNKN */
6549 if(canAdjudicate && --moveCount < 0 && appData.trivialDraws)
6550 { /* if the first 3 moves do not show a tactical win, declare draw */
6551 if(engineOpponent) {
6552 SendToProgram("force\n", engineOpponent); // suppress reply
6553 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6555 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6556 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
6559 } else moveCount = 6;
6563 if (appData.debugMode) { int i;
6564 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
6565 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
6566 appData.drawRepeats);
6567 for( i=forwardMostMove; i>=backwardMostMove; i-- )
6568 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
6572 // Repetition draws and 50-move rule can be applied independently of legality testing
6574 /* Check for rep-draws */
6576 for(k = forwardMostMove-2;
6577 k>=backwardMostMove && k>=forwardMostMove-100 &&
6578 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
6579 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
6582 if(CompareBoards(boards[k], boards[forwardMostMove])) {
6583 /* compare castling rights */
6584 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
6585 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
6586 rights++; /* King lost rights, while rook still had them */
6587 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
6588 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
6589 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
6590 rights++; /* but at least one rook lost them */
6592 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
6593 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
6595 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
6596 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
6597 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
6600 if( canAdjudicate && rights == 0 && ++count > appData.drawRepeats-2
6601 && appData.drawRepeats > 1) {
6602 /* adjudicate after user-specified nr of repeats */
6603 if(engineOpponent) {
6604 SendToProgram("force\n", engineOpponent); // suppress reply
6605 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6607 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6608 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
6609 // [HGM] xiangqi: check for forbidden perpetuals
6610 int m, ourPerpetual = 1, hisPerpetual = 1;
6611 for(m=forwardMostMove; m>k; m-=2) {
6612 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
6613 ourPerpetual = 0; // the current mover did not always check
6614 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
6615 hisPerpetual = 0; // the opponent did not always check
6617 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
6618 ourPerpetual, hisPerpetual);
6619 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
6620 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6621 "Xboard adjudication: perpetual checking", GE_XBOARD );
6624 if(hisPerpetual && !ourPerpetual) // he is checking us, but did not repeat yet
6625 break; // (or we would have caught him before). Abort repetition-checking loop.
6626 // Now check for perpetual chases
6627 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
6628 hisPerpetual = PerpetualChase(k, forwardMostMove);
6629 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
6630 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
6631 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6632 "Xboard adjudication: perpetual chasing", GE_XBOARD );
6635 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
6636 break; // Abort repetition-checking loop.
6638 // if neither of us is checking or chasing all the time, or both are, it is draw
6640 GameEnds( GameIsDrawn, "Xboard adjudication: repetition draw", GE_XBOARD );
6643 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
6644 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
6648 /* Now we test for 50-move draws. Determine ply count */
6649 count = forwardMostMove;
6650 /* look for last irreversble move */
6651 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
6653 /* if we hit starting position, add initial plies */
6654 if( count == backwardMostMove )
6655 count -= initialRulePlies;
6656 count = forwardMostMove - count;
6658 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
6659 /* this is used to judge if draw claims are legal */
6660 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
6661 if(engineOpponent) {
6662 SendToProgram("force\n", engineOpponent); // suppress reply
6663 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6665 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6666 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
6670 /* if draw offer is pending, treat it as a draw claim
6671 * when draw condition present, to allow engines a way to
6672 * claim draws before making their move to avoid a race
6673 * condition occurring after their move
6675 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
6677 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
6678 p = "Draw claim: 50-move rule";
6679 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
6680 p = "Draw claim: 3-fold repetition";
6681 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
6682 p = "Draw claim: insufficient mating material";
6683 if( p != NULL && canAdjudicate) {
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, p, GE_XBOARD );
6694 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
6695 if(engineOpponent) {
6696 SendToProgram("force\n", engineOpponent); // suppress reply
6697 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6699 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6700 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
6706 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
6707 { // [HGM] book: this routine intercepts moves to simulate book replies
6708 char *bookHit = NULL;
6710 //first determine if the incoming move brings opponent into his book
6711 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
6712 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
6713 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
6714 if(bookHit != NULL && !cps->bookSuspend) {
6715 // make sure opponent is not going to reply after receiving move to book position
6716 SendToProgram("force\n", cps);
6717 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
6719 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
6720 // now arrange restart after book miss
6722 // after a book hit we never send 'go', and the code after the call to this routine
6723 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
6725 if (cps->useUsermove) sprintf(buf, "usermove "); // sorry, no SAN yet :(
6726 sprintf(buf, "%s\n", bookHit); // force book move into program supposed to play it
6727 SendToProgram(buf, cps);
6728 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
6729 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
6730 SendToProgram("go\n", cps);
6731 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
6732 } else { // 'go' might be sent based on 'firstMove' after this routine returns
6733 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
6734 SendToProgram("go\n", cps);
6735 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
6737 return bookHit; // notify caller of hit, so it can take action to send move to opponent
6741 ChessProgramState *savedState;
6742 void DeferredBookMove(void)
6744 if(savedState->lastPing != savedState->lastPong)
6745 ScheduleDelayedEvent(DeferredBookMove, 10);
6747 HandleMachineMove(savedMessage, savedState);
6751 HandleMachineMove(message, cps)
6753 ChessProgramState *cps;
6755 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
6756 char realname[MSG_SIZ];
6757 int fromX, fromY, toX, toY;
6766 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
6768 * Kludge to ignore BEL characters
6770 while (*message == '\007') message++;
6773 * [HGM] engine debug message: ignore lines starting with '#' character
6775 if(cps->debug && *message == '#') return;
6778 * Look for book output
6780 if (cps == &first && bookRequested) {
6781 if (message[0] == '\t' || message[0] == ' ') {
6782 /* Part of the book output is here; append it */
6783 strcat(bookOutput, message);
6784 strcat(bookOutput, " \n");
6786 } else if (bookOutput[0] != NULLCHAR) {
6787 /* All of book output has arrived; display it */
6788 char *p = bookOutput;
6789 while (*p != NULLCHAR) {
6790 if (*p == '\t') *p = ' ';
6793 DisplayInformation(bookOutput);
6794 bookRequested = FALSE;
6795 /* Fall through to parse the current output */
6800 * Look for machine move.
6802 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
6803 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
6805 /* This method is only useful on engines that support ping */
6806 if (cps->lastPing != cps->lastPong) {
6807 if (gameMode == BeginningOfGame) {
6808 /* Extra move from before last new; ignore */
6809 if (appData.debugMode) {
6810 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
6813 if (appData.debugMode) {
6814 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
6815 cps->which, gameMode);
6818 SendToProgram("undo\n", cps);
6824 case BeginningOfGame:
6825 /* Extra move from before last reset; ignore */
6826 if (appData.debugMode) {
6827 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
6834 /* Extra move after we tried to stop. The mode test is
6835 not a reliable way of detecting this problem, but it's
6836 the best we can do on engines that don't support ping.
6838 if (appData.debugMode) {
6839 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
6840 cps->which, gameMode);
6842 SendToProgram("undo\n", cps);
6845 case MachinePlaysWhite:
6846 case IcsPlayingWhite:
6847 machineWhite = TRUE;
6850 case MachinePlaysBlack:
6851 case IcsPlayingBlack:
6852 machineWhite = FALSE;
6855 case TwoMachinesPlay:
6856 machineWhite = (cps->twoMachinesColor[0] == 'w');
6859 if (WhiteOnMove(forwardMostMove) != machineWhite) {
6860 if (appData.debugMode) {
6862 "Ignoring move out of turn by %s, gameMode %d"
6863 ", forwardMost %d\n",
6864 cps->which, gameMode, forwardMostMove);
6869 if (appData.debugMode) { int f = forwardMostMove;
6870 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
6871 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
6872 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
6874 if(cps->alphaRank) AlphaRank(machineMove, 4);
6875 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
6876 &fromX, &fromY, &toX, &toY, &promoChar)) {
6877 /* Machine move could not be parsed; ignore it. */
6878 sprintf(buf1, _("Illegal move \"%s\" from %s machine"),
6879 machineMove, cps->which);
6880 DisplayError(buf1, 0);
6881 sprintf(buf1, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
6882 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
6883 if (gameMode == TwoMachinesPlay) {
6884 GameEnds(machineWhite ? BlackWins : WhiteWins,
6890 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
6891 /* So we have to redo legality test with true e.p. status here, */
6892 /* to make sure an illegal e.p. capture does not slip through, */
6893 /* to cause a forfeit on a justified illegal-move complaint */
6894 /* of the opponent. */
6895 if( gameMode==TwoMachinesPlay && appData.testLegality
6896 && fromY != DROP_RANK /* [HGM] temporary; should still add legality test for drops */
6899 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
6900 fromY, fromX, toY, toX, promoChar);
6901 if (appData.debugMode) {
6903 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
6904 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
6905 fprintf(debugFP, "castling rights\n");
6907 if(moveType == IllegalMove) {
6908 sprintf(buf1, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
6909 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
6910 GameEnds(machineWhite ? BlackWins : WhiteWins,
6913 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
6914 /* [HGM] Kludge to handle engines that send FRC-style castling
6915 when they shouldn't (like TSCP-Gothic) */
6917 case WhiteASideCastleFR:
6918 case BlackASideCastleFR:
6920 currentMoveString[2]++;
6922 case WhiteHSideCastleFR:
6923 case BlackHSideCastleFR:
6925 currentMoveString[2]--;
6927 default: ; // nothing to do, but suppresses warning of pedantic compilers
6930 hintRequested = FALSE;
6931 lastHint[0] = NULLCHAR;
6932 bookRequested = FALSE;
6933 /* Program may be pondering now */
6934 cps->maybeThinking = TRUE;
6935 if (cps->sendTime == 2) cps->sendTime = 1;
6936 if (cps->offeredDraw) cps->offeredDraw--;
6938 /* currentMoveString is set as a side-effect of ParseOneMove */
6939 strcpy(machineMove, currentMoveString);
6940 strcat(machineMove, "\n");
6941 strcpy(moveList[forwardMostMove], machineMove);
6943 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
6945 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
6946 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
6949 while( count < adjudicateLossPlies ) {
6950 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
6953 score = -score; /* Flip score for winning side */
6956 if( score > adjudicateLossThreshold ) {
6963 if( count >= adjudicateLossPlies ) {
6964 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6966 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6967 "Xboard adjudication",
6974 if(Adjudicate(cps)) return; // [HGM] adjudicate: for all automatic game ends
6977 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
6979 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6980 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6982 SendMoveToICS(moveType, fromX, fromY, toX, toY);
6984 SendMoveToICS(moveType, fromX, fromY, toX, toY);
6986 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
6987 char buf[3*MSG_SIZ];
6989 sprintf(buf, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
6990 programStats.score / 100.,
6992 programStats.time / 100.,
6993 (unsigned int)programStats.nodes,
6994 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
6995 programStats.movelist);
6997 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
7002 /* [AS] Save move info and clear stats for next move */
7003 pvInfoList[ forwardMostMove-1 ].score = programStats.score;
7004 pvInfoList[ forwardMostMove-1 ].depth = programStats.depth;
7005 pvInfoList[ forwardMostMove-1 ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7006 ClearProgramStats();
7007 thinkOutput[0] = NULLCHAR;
7008 hiddenThinkOutputState = 0;
7011 if (gameMode == TwoMachinesPlay) {
7012 /* [HGM] relaying draw offers moved to after reception of move */
7013 /* and interpreting offer as claim if it brings draw condition */
7014 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
7015 SendToProgram("draw\n", cps->other);
7017 if (cps->other->sendTime) {
7018 SendTimeRemaining(cps->other,
7019 cps->other->twoMachinesColor[0] == 'w');
7021 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
7022 if (firstMove && !bookHit) {
7024 if (cps->other->useColors) {
7025 SendToProgram(cps->other->twoMachinesColor, cps->other);
7027 SendToProgram("go\n", cps->other);
7029 cps->other->maybeThinking = TRUE;
7032 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7034 if (!pausing && appData.ringBellAfterMoves) {
7039 * Reenable menu items that were disabled while
7040 * machine was thinking
7042 if (gameMode != TwoMachinesPlay)
7043 SetUserThinkingEnables();
7045 // [HGM] book: after book hit opponent has received move and is now in force mode
7046 // force the book reply into it, and then fake that it outputted this move by jumping
7047 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
7049 static char bookMove[MSG_SIZ]; // a bit generous?
7051 strcpy(bookMove, "move ");
7052 strcat(bookMove, bookHit);
7055 programStats.nodes = programStats.depth = programStats.time =
7056 programStats.score = programStats.got_only_move = 0;
7057 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7059 if(cps->lastPing != cps->lastPong) {
7060 savedMessage = message; // args for deferred call
7062 ScheduleDelayedEvent(DeferredBookMove, 10);
7071 /* Set special modes for chess engines. Later something general
7072 * could be added here; for now there is just one kludge feature,
7073 * needed because Crafty 15.10 and earlier don't ignore SIGINT
7074 * when "xboard" is given as an interactive command.
7076 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
7077 cps->useSigint = FALSE;
7078 cps->useSigterm = FALSE;
7080 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
7081 ParseFeatures(message+8, cps);
7082 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
7085 /* [HGM] Allow engine to set up a position. Don't ask me why one would
7086 * want this, I was asked to put it in, and obliged.
7088 if (!strncmp(message, "setboard ", 9)) {
7089 Board initial_position;
7091 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
7093 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
7094 DisplayError(_("Bad FEN received from engine"), 0);
7098 CopyBoard(boards[0], initial_position);
7099 initialRulePlies = FENrulePlies;
7100 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
7101 else gameMode = MachinePlaysBlack;
7102 DrawPosition(FALSE, boards[currentMove]);
7108 * Look for communication commands
7110 if (!strncmp(message, "telluser ", 9)) {
7111 DisplayNote(message + 9);
7114 if (!strncmp(message, "tellusererror ", 14)) {
7116 DisplayError(message + 14, 0);
7119 if (!strncmp(message, "tellopponent ", 13)) {
7120 if (appData.icsActive) {
7122 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
7126 DisplayNote(message + 13);
7130 if (!strncmp(message, "tellothers ", 11)) {
7131 if (appData.icsActive) {
7133 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
7139 if (!strncmp(message, "tellall ", 8)) {
7140 if (appData.icsActive) {
7142 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
7146 DisplayNote(message + 8);
7150 if (strncmp(message, "warning", 7) == 0) {
7151 /* Undocumented feature, use tellusererror in new code */
7152 DisplayError(message, 0);
7155 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
7156 strcpy(realname, cps->tidy);
7157 strcat(realname, " query");
7158 AskQuestion(realname, buf2, buf1, cps->pr);
7161 /* Commands from the engine directly to ICS. We don't allow these to be
7162 * sent until we are logged on. Crafty kibitzes have been known to
7163 * interfere with the login process.
7166 if (!strncmp(message, "tellics ", 8)) {
7167 SendToICS(message + 8);
7171 if (!strncmp(message, "tellicsnoalias ", 15)) {
7172 SendToICS(ics_prefix);
7173 SendToICS(message + 15);
7177 /* The following are for backward compatibility only */
7178 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
7179 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
7180 SendToICS(ics_prefix);
7186 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
7190 * If the move is illegal, cancel it and redraw the board.
7191 * Also deal with other error cases. Matching is rather loose
7192 * here to accommodate engines written before the spec.
7194 if (strncmp(message + 1, "llegal move", 11) == 0 ||
7195 strncmp(message, "Error", 5) == 0) {
7196 if (StrStr(message, "name") ||
7197 StrStr(message, "rating") || StrStr(message, "?") ||
7198 StrStr(message, "result") || StrStr(message, "board") ||
7199 StrStr(message, "bk") || StrStr(message, "computer") ||
7200 StrStr(message, "variant") || StrStr(message, "hint") ||
7201 StrStr(message, "random") || StrStr(message, "depth") ||
7202 StrStr(message, "accepted")) {
7205 if (StrStr(message, "protover")) {
7206 /* Program is responding to input, so it's apparently done
7207 initializing, and this error message indicates it is
7208 protocol version 1. So we don't need to wait any longer
7209 for it to initialize and send feature commands. */
7210 FeatureDone(cps, 1);
7211 cps->protocolVersion = 1;
7214 cps->maybeThinking = FALSE;
7216 if (StrStr(message, "draw")) {
7217 /* Program doesn't have "draw" command */
7218 cps->sendDrawOffers = 0;
7221 if (cps->sendTime != 1 &&
7222 (StrStr(message, "time") || StrStr(message, "otim"))) {
7223 /* Program apparently doesn't have "time" or "otim" command */
7227 if (StrStr(message, "analyze")) {
7228 cps->analysisSupport = FALSE;
7229 cps->analyzing = FALSE;
7231 sprintf(buf2, _("%s does not support analysis"), cps->tidy);
7232 DisplayError(buf2, 0);
7235 if (StrStr(message, "(no matching move)st")) {
7236 /* Special kludge for GNU Chess 4 only */
7237 cps->stKludge = TRUE;
7238 SendTimeControl(cps, movesPerSession, timeControl,
7239 timeIncrement, appData.searchDepth,
7243 if (StrStr(message, "(no matching move)sd")) {
7244 /* Special kludge for GNU Chess 4 only */
7245 cps->sdKludge = TRUE;
7246 SendTimeControl(cps, movesPerSession, timeControl,
7247 timeIncrement, appData.searchDepth,
7251 if (!StrStr(message, "llegal")) {
7254 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7255 gameMode == IcsIdle) return;
7256 if (forwardMostMove <= backwardMostMove) return;
7257 if (pausing) PauseEvent();
7258 if(appData.forceIllegal) {
7259 // [HGM] illegal: machine refused move; force position after move into it
7260 SendToProgram("force\n", cps);
7261 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
7262 // we have a real problem now, as SendBoard will use the a2a3 kludge
7263 // when black is to move, while there might be nothing on a2 or black
7264 // might already have the move. So send the board as if white has the move.
7265 // But first we must change the stm of the engine, as it refused the last move
7266 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
7267 if(WhiteOnMove(forwardMostMove)) {
7268 SendToProgram("a7a6\n", cps); // for the engine black still had the move
7269 SendBoard(cps, forwardMostMove); // kludgeless board
7271 SendToProgram("a2a3\n", cps); // for the engine white still had the move
7272 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7273 SendBoard(cps, forwardMostMove+1); // kludgeless board
7275 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
7276 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
7277 gameMode == TwoMachinesPlay)
7278 SendToProgram("go\n", cps);
7281 if (gameMode == PlayFromGameFile) {
7282 /* Stop reading this game file */
7283 gameMode = EditGame;
7286 currentMove = --forwardMostMove;
7287 DisplayMove(currentMove-1); /* before DisplayMoveError */
7289 DisplayBothClocks();
7290 sprintf(buf1, _("Illegal move \"%s\" (rejected by %s chess program)"),
7291 parseList[currentMove], cps->which);
7292 DisplayMoveError(buf1);
7293 DrawPosition(FALSE, boards[currentMove]);
7295 /* [HGM] illegal-move claim should forfeit game when Xboard */
7296 /* only passes fully legal moves */
7297 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
7298 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
7299 "False illegal-move claim", GE_XBOARD );
7303 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
7304 /* Program has a broken "time" command that
7305 outputs a string not ending in newline.
7311 * If chess program startup fails, exit with an error message.
7312 * Attempts to recover here are futile.
7314 if ((StrStr(message, "unknown host") != NULL)
7315 || (StrStr(message, "No remote directory") != NULL)
7316 || (StrStr(message, "not found") != NULL)
7317 || (StrStr(message, "No such file") != NULL)
7318 || (StrStr(message, "can't alloc") != NULL)
7319 || (StrStr(message, "Permission denied") != NULL)) {
7321 cps->maybeThinking = FALSE;
7322 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
7323 cps->which, cps->program, cps->host, message);
7324 RemoveInputSource(cps->isr);
7325 DisplayFatalError(buf1, 0, 1);
7330 * Look for hint output
7332 if (sscanf(message, "Hint: %s", buf1) == 1) {
7333 if (cps == &first && hintRequested) {
7334 hintRequested = FALSE;
7335 if (ParseOneMove(buf1, forwardMostMove, &moveType,
7336 &fromX, &fromY, &toX, &toY, &promoChar)) {
7337 (void) CoordsToAlgebraic(boards[forwardMostMove],
7338 PosFlags(forwardMostMove),
7339 fromY, fromX, toY, toX, promoChar, buf1);
7340 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
7341 DisplayInformation(buf2);
7343 /* Hint move could not be parsed!? */
7344 snprintf(buf2, sizeof(buf2),
7345 _("Illegal hint move \"%s\"\nfrom %s chess program"),
7347 DisplayError(buf2, 0);
7350 strcpy(lastHint, buf1);
7356 * Ignore other messages if game is not in progress
7358 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7359 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
7362 * look for win, lose, draw, or draw offer
7364 if (strncmp(message, "1-0", 3) == 0) {
7365 char *p, *q, *r = "";
7366 p = strchr(message, '{');
7374 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
7376 } else if (strncmp(message, "0-1", 3) == 0) {
7377 char *p, *q, *r = "";
7378 p = strchr(message, '{');
7386 /* Kludge for Arasan 4.1 bug */
7387 if (strcmp(r, "Black resigns") == 0) {
7388 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
7391 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
7393 } else if (strncmp(message, "1/2", 3) == 0) {
7394 char *p, *q, *r = "";
7395 p = strchr(message, '{');
7404 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
7407 } else if (strncmp(message, "White resign", 12) == 0) {
7408 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7410 } else if (strncmp(message, "Black resign", 12) == 0) {
7411 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7413 } else if (strncmp(message, "White matches", 13) == 0 ||
7414 strncmp(message, "Black matches", 13) == 0 ) {
7415 /* [HGM] ignore GNUShogi noises */
7417 } else if (strncmp(message, "White", 5) == 0 &&
7418 message[5] != '(' &&
7419 StrStr(message, "Black") == NULL) {
7420 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7422 } else if (strncmp(message, "Black", 5) == 0 &&
7423 message[5] != '(') {
7424 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7426 } else if (strcmp(message, "resign") == 0 ||
7427 strcmp(message, "computer resigns") == 0) {
7429 case MachinePlaysBlack:
7430 case IcsPlayingBlack:
7431 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
7433 case MachinePlaysWhite:
7434 case IcsPlayingWhite:
7435 GameEnds(BlackWins, "White resigns", GE_ENGINE);
7437 case TwoMachinesPlay:
7438 if (cps->twoMachinesColor[0] == 'w')
7439 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7441 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7448 } else if (strncmp(message, "opponent mates", 14) == 0) {
7450 case MachinePlaysBlack:
7451 case IcsPlayingBlack:
7452 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7454 case MachinePlaysWhite:
7455 case IcsPlayingWhite:
7456 GameEnds(BlackWins, "Black mates", GE_ENGINE);
7458 case TwoMachinesPlay:
7459 if (cps->twoMachinesColor[0] == 'w')
7460 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7462 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7469 } else if (strncmp(message, "computer mates", 14) == 0) {
7471 case MachinePlaysBlack:
7472 case IcsPlayingBlack:
7473 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
7475 case MachinePlaysWhite:
7476 case IcsPlayingWhite:
7477 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7479 case TwoMachinesPlay:
7480 if (cps->twoMachinesColor[0] == 'w')
7481 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7483 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7490 } else if (strncmp(message, "checkmate", 9) == 0) {
7491 if (WhiteOnMove(forwardMostMove)) {
7492 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7494 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7497 } else if (strstr(message, "Draw") != NULL ||
7498 strstr(message, "game is a draw") != NULL) {
7499 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
7501 } else if (strstr(message, "offer") != NULL &&
7502 strstr(message, "draw") != NULL) {
7504 if (appData.zippyPlay && first.initDone) {
7505 /* Relay offer to ICS */
7506 SendToICS(ics_prefix);
7507 SendToICS("draw\n");
7510 cps->offeredDraw = 2; /* valid until this engine moves twice */
7511 if (gameMode == TwoMachinesPlay) {
7512 if (cps->other->offeredDraw) {
7513 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7514 /* [HGM] in two-machine mode we delay relaying draw offer */
7515 /* until after we also have move, to see if it is really claim */
7517 } else if (gameMode == MachinePlaysWhite ||
7518 gameMode == MachinePlaysBlack) {
7519 if (userOfferedDraw) {
7520 DisplayInformation(_("Machine accepts your draw offer"));
7521 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7523 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
7530 * Look for thinking output
7532 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
7533 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7535 int plylev, mvleft, mvtot, curscore, time;
7536 char mvname[MOVE_LEN];
7540 int prefixHint = FALSE;
7541 mvname[0] = NULLCHAR;
7544 case MachinePlaysBlack:
7545 case IcsPlayingBlack:
7546 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7548 case MachinePlaysWhite:
7549 case IcsPlayingWhite:
7550 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7555 case IcsObserving: /* [DM] icsEngineAnalyze */
7556 if (!appData.icsEngineAnalyze) ignore = TRUE;
7558 case TwoMachinesPlay:
7559 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
7570 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7571 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
7573 if (plyext != ' ' && plyext != '\t') {
7577 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7578 if( cps->scoreIsAbsolute &&
7579 ( gameMode == MachinePlaysBlack ||
7580 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
7581 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
7582 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
7583 !WhiteOnMove(currentMove)
7586 curscore = -curscore;
7590 programStats.depth = plylev;
7591 programStats.nodes = nodes;
7592 programStats.time = time;
7593 programStats.score = curscore;
7594 programStats.got_only_move = 0;
7596 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
7599 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
7600 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
7601 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
7602 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
7603 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
7604 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
7605 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
7606 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
7609 /* Buffer overflow protection */
7610 if (buf1[0] != NULLCHAR) {
7611 if (strlen(buf1) >= sizeof(programStats.movelist)
7612 && appData.debugMode) {
7614 "PV is too long; using the first %u bytes.\n",
7615 (unsigned) sizeof(programStats.movelist) - 1);
7618 safeStrCpy( programStats.movelist, buf1, sizeof(programStats.movelist) );
7620 sprintf(programStats.movelist, " no PV\n");
7623 if (programStats.seen_stat) {
7624 programStats.ok_to_send = 1;
7627 if (strchr(programStats.movelist, '(') != NULL) {
7628 programStats.line_is_book = 1;
7629 programStats.nr_moves = 0;
7630 programStats.moves_left = 0;
7632 programStats.line_is_book = 0;
7635 SendProgramStatsToFrontend( cps, &programStats );
7638 [AS] Protect the thinkOutput buffer from overflow... this
7639 is only useful if buf1 hasn't overflowed first!
7641 sprintf(thinkOutput, "[%d]%c%+.2f %s%s",
7643 (gameMode == TwoMachinesPlay ?
7644 ToUpper(cps->twoMachinesColor[0]) : ' '),
7645 ((double) curscore) / 100.0,
7646 prefixHint ? lastHint : "",
7647 prefixHint ? " " : "" );
7649 if( buf1[0] != NULLCHAR ) {
7650 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
7652 if( strlen(buf1) > max_len ) {
7653 if( appData.debugMode) {
7654 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
7656 buf1[max_len+1] = '\0';
7659 strcat( thinkOutput, buf1 );
7662 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
7663 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7664 DisplayMove(currentMove - 1);
7668 } else if ((p=StrStr(message, "(only move)")) != NULL) {
7669 /* crafty (9.25+) says "(only move) <move>"
7670 * if there is only 1 legal move
7672 sscanf(p, "(only move) %s", buf1);
7673 sprintf(thinkOutput, "%s (only move)", buf1);
7674 sprintf(programStats.movelist, "%s (only move)", buf1);
7675 programStats.depth = 1;
7676 programStats.nr_moves = 1;
7677 programStats.moves_left = 1;
7678 programStats.nodes = 1;
7679 programStats.time = 1;
7680 programStats.got_only_move = 1;
7682 /* Not really, but we also use this member to
7683 mean "line isn't going to change" (Crafty
7684 isn't searching, so stats won't change) */
7685 programStats.line_is_book = 1;
7687 SendProgramStatsToFrontend( cps, &programStats );
7689 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
7690 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7691 DisplayMove(currentMove - 1);
7694 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
7695 &time, &nodes, &plylev, &mvleft,
7696 &mvtot, mvname) >= 5) {
7697 /* The stat01: line is from Crafty (9.29+) in response
7698 to the "." command */
7699 programStats.seen_stat = 1;
7700 cps->maybeThinking = TRUE;
7702 if (programStats.got_only_move || !appData.periodicUpdates)
7705 programStats.depth = plylev;
7706 programStats.time = time;
7707 programStats.nodes = nodes;
7708 programStats.moves_left = mvleft;
7709 programStats.nr_moves = mvtot;
7710 strcpy(programStats.move_name, mvname);
7711 programStats.ok_to_send = 1;
7712 programStats.movelist[0] = '\0';
7714 SendProgramStatsToFrontend( cps, &programStats );
7718 } else if (strncmp(message,"++",2) == 0) {
7719 /* Crafty 9.29+ outputs this */
7720 programStats.got_fail = 2;
7723 } else if (strncmp(message,"--",2) == 0) {
7724 /* Crafty 9.29+ outputs this */
7725 programStats.got_fail = 1;
7728 } else if (thinkOutput[0] != NULLCHAR &&
7729 strncmp(message, " ", 4) == 0) {
7730 unsigned message_len;
7733 while (*p && *p == ' ') p++;
7735 message_len = strlen( p );
7737 /* [AS] Avoid buffer overflow */
7738 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
7739 strcat(thinkOutput, " ");
7740 strcat(thinkOutput, p);
7743 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
7744 strcat(programStats.movelist, " ");
7745 strcat(programStats.movelist, p);
7748 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
7749 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7750 DisplayMove(currentMove - 1);
7758 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7759 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
7761 ChessProgramStats cpstats;
7763 if (plyext != ' ' && plyext != '\t') {
7767 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7768 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
7769 curscore = -curscore;
7772 cpstats.depth = plylev;
7773 cpstats.nodes = nodes;
7774 cpstats.time = time;
7775 cpstats.score = curscore;
7776 cpstats.got_only_move = 0;
7777 cpstats.movelist[0] = '\0';
7779 if (buf1[0] != NULLCHAR) {
7780 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist) );
7783 cpstats.ok_to_send = 0;
7784 cpstats.line_is_book = 0;
7785 cpstats.nr_moves = 0;
7786 cpstats.moves_left = 0;
7788 SendProgramStatsToFrontend( cps, &cpstats );
7795 /* Parse a game score from the character string "game", and
7796 record it as the history of the current game. The game
7797 score is NOT assumed to start from the standard position.
7798 The display is not updated in any way.
7801 ParseGameHistory(game)
7805 int fromX, fromY, toX, toY, boardIndex;
7810 if (appData.debugMode)
7811 fprintf(debugFP, "Parsing game history: %s\n", game);
7813 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
7814 gameInfo.site = StrSave(appData.icsHost);
7815 gameInfo.date = PGNDate();
7816 gameInfo.round = StrSave("-");
7818 /* Parse out names of players */
7819 while (*game == ' ') game++;
7821 while (*game != ' ') *p++ = *game++;
7823 gameInfo.white = StrSave(buf);
7824 while (*game == ' ') game++;
7826 while (*game != ' ' && *game != '\n') *p++ = *game++;
7828 gameInfo.black = StrSave(buf);
7831 boardIndex = blackPlaysFirst ? 1 : 0;
7834 yyboardindex = boardIndex;
7835 moveType = (ChessMove) yylex();
7837 case IllegalMove: /* maybe suicide chess, etc. */
7838 if (appData.debugMode) {
7839 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
7840 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
7841 setbuf(debugFP, NULL);
7843 case WhitePromotionChancellor:
7844 case BlackPromotionChancellor:
7845 case WhitePromotionArchbishop:
7846 case BlackPromotionArchbishop:
7847 case WhitePromotionQueen:
7848 case BlackPromotionQueen:
7849 case WhitePromotionRook:
7850 case BlackPromotionRook:
7851 case WhitePromotionBishop:
7852 case BlackPromotionBishop:
7853 case WhitePromotionKnight:
7854 case BlackPromotionKnight:
7855 case WhitePromotionKing:
7856 case BlackPromotionKing:
7858 case WhiteCapturesEnPassant:
7859 case BlackCapturesEnPassant:
7860 case WhiteKingSideCastle:
7861 case WhiteQueenSideCastle:
7862 case BlackKingSideCastle:
7863 case BlackQueenSideCastle:
7864 case WhiteKingSideCastleWild:
7865 case WhiteQueenSideCastleWild:
7866 case BlackKingSideCastleWild:
7867 case BlackQueenSideCastleWild:
7869 case WhiteHSideCastleFR:
7870 case WhiteASideCastleFR:
7871 case BlackHSideCastleFR:
7872 case BlackASideCastleFR:
7874 fromX = currentMoveString[0] - AAA;
7875 fromY = currentMoveString[1] - ONE;
7876 toX = currentMoveString[2] - AAA;
7877 toY = currentMoveString[3] - ONE;
7878 promoChar = currentMoveString[4];
7882 fromX = moveType == WhiteDrop ?
7883 (int) CharToPiece(ToUpper(currentMoveString[0])) :
7884 (int) CharToPiece(ToLower(currentMoveString[0]));
7886 toX = currentMoveString[2] - AAA;
7887 toY = currentMoveString[3] - ONE;
7888 promoChar = NULLCHAR;
7892 sprintf(buf, _("Ambiguous move in ICS output: \"%s\""), yy_text);
7893 if (appData.debugMode) {
7894 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
7895 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
7896 setbuf(debugFP, NULL);
7898 DisplayError(buf, 0);
7900 case ImpossibleMove:
7902 sprintf(buf, _("Illegal move in ICS output: \"%s\""), yy_text);
7903 if (appData.debugMode) {
7904 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
7905 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
7906 setbuf(debugFP, NULL);
7908 DisplayError(buf, 0);
7910 case (ChessMove) 0: /* end of file */
7911 if (boardIndex < backwardMostMove) {
7912 /* Oops, gap. How did that happen? */
7913 DisplayError(_("Gap in move list"), 0);
7916 backwardMostMove = blackPlaysFirst ? 1 : 0;
7917 if (boardIndex > forwardMostMove) {
7918 forwardMostMove = boardIndex;
7922 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
7923 strcat(parseList[boardIndex-1], " ");
7924 strcat(parseList[boardIndex-1], yy_text);
7936 case GameUnfinished:
7937 if (gameMode == IcsExamining) {
7938 if (boardIndex < backwardMostMove) {
7939 /* Oops, gap. How did that happen? */
7942 backwardMostMove = blackPlaysFirst ? 1 : 0;
7945 gameInfo.result = moveType;
7946 p = strchr(yy_text, '{');
7947 if (p == NULL) p = strchr(yy_text, '(');
7950 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
7952 q = strchr(p, *p == '{' ? '}' : ')');
7953 if (q != NULL) *q = NULLCHAR;
7956 gameInfo.resultDetails = StrSave(p);
7959 if (boardIndex >= forwardMostMove &&
7960 !(gameMode == IcsObserving && ics_gamenum == -1)) {
7961 backwardMostMove = blackPlaysFirst ? 1 : 0;
7964 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
7965 fromY, fromX, toY, toX, promoChar,
7966 parseList[boardIndex]);
7967 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
7968 /* currentMoveString is set as a side-effect of yylex */
7969 strcpy(moveList[boardIndex], currentMoveString);
7970 strcat(moveList[boardIndex], "\n");
7972 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
7973 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
7979 if(gameInfo.variant != VariantShogi)
7980 strcat(parseList[boardIndex - 1], "+");
7984 strcat(parseList[boardIndex - 1], "#");
7991 /* Apply a move to the given board */
7993 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
7994 int fromX, fromY, toX, toY;
7998 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
7999 int promoRank = gameInfo.variant == VariantMakruk ? 3 : 1;
8001 /* [HGM] compute & store e.p. status and castling rights for new position */
8002 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
8005 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
8006 oldEP = (signed char)board[EP_STATUS];
8007 board[EP_STATUS] = EP_NONE;
8009 if( board[toY][toX] != EmptySquare )
8010 board[EP_STATUS] = EP_CAPTURE;
8012 if( board[fromY][fromX] == WhitePawn ) {
8013 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8014 board[EP_STATUS] = EP_PAWN_MOVE;
8016 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
8017 gameInfo.variant != VariantBerolina || toX < fromX)
8018 board[EP_STATUS] = toX | berolina;
8019 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
8020 gameInfo.variant != VariantBerolina || toX > fromX)
8021 board[EP_STATUS] = toX;
8024 if( board[fromY][fromX] == BlackPawn ) {
8025 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8026 board[EP_STATUS] = EP_PAWN_MOVE;
8027 if( toY-fromY== -2) {
8028 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
8029 gameInfo.variant != VariantBerolina || toX < fromX)
8030 board[EP_STATUS] = toX | berolina;
8031 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
8032 gameInfo.variant != VariantBerolina || toX > fromX)
8033 board[EP_STATUS] = toX;
8037 for(i=0; i<nrCastlingRights; i++) {
8038 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
8039 board[CASTLING][i] == toX && castlingRank[i] == toY
8040 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
8045 /* [HGM] In Shatranj and Courier all promotions are to Ferz */
8046 if((gameInfo.variant==VariantShatranj || gameInfo.variant==VariantCourier || gameInfo.variant == VariantMakruk)
8047 && promoChar != 0) promoChar = PieceToChar(WhiteFerz);
8049 if (fromX == toX && fromY == toY) return;
8051 if (fromY == DROP_RANK) {
8053 piece = board[toY][toX] = (ChessSquare) fromX;
8055 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
8056 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
8057 if(gameInfo.variant == VariantKnightmate)
8058 king += (int) WhiteUnicorn - (int) WhiteKing;
8060 /* Code added by Tord: */
8061 /* FRC castling assumed when king captures friendly rook. */
8062 if (board[fromY][fromX] == WhiteKing &&
8063 board[toY][toX] == WhiteRook) {
8064 board[fromY][fromX] = EmptySquare;
8065 board[toY][toX] = EmptySquare;
8067 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
8069 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
8071 } else if (board[fromY][fromX] == BlackKing &&
8072 board[toY][toX] == BlackRook) {
8073 board[fromY][fromX] = EmptySquare;
8074 board[toY][toX] = EmptySquare;
8076 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
8078 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
8080 /* End of code added by Tord */
8082 } else if (board[fromY][fromX] == king
8083 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8084 && toY == fromY && toX > fromX+1) {
8085 board[fromY][fromX] = EmptySquare;
8086 board[toY][toX] = king;
8087 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8088 board[fromY][BOARD_RGHT-1] = EmptySquare;
8089 } else if (board[fromY][fromX] == king
8090 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8091 && toY == fromY && toX < fromX-1) {
8092 board[fromY][fromX] = EmptySquare;
8093 board[toY][toX] = king;
8094 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8095 board[fromY][BOARD_LEFT] = EmptySquare;
8096 } else if (board[fromY][fromX] == WhitePawn
8097 && toY >= BOARD_HEIGHT-promoRank
8098 && gameInfo.variant != VariantXiangqi
8100 /* white pawn promotion */
8101 board[toY][toX] = CharToPiece(ToUpper(promoChar));
8102 if (board[toY][toX] == EmptySquare) {
8103 board[toY][toX] = WhiteQueen;
8105 if(gameInfo.variant==VariantBughouse ||
8106 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8107 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8108 board[fromY][fromX] = EmptySquare;
8109 } else if ((fromY == BOARD_HEIGHT-4)
8111 && gameInfo.variant != VariantXiangqi
8112 && gameInfo.variant != VariantBerolina
8113 && (board[fromY][fromX] == WhitePawn)
8114 && (board[toY][toX] == EmptySquare)) {
8115 board[fromY][fromX] = EmptySquare;
8116 board[toY][toX] = WhitePawn;
8117 captured = board[toY - 1][toX];
8118 board[toY - 1][toX] = EmptySquare;
8119 } else if ((fromY == BOARD_HEIGHT-4)
8121 && gameInfo.variant == VariantBerolina
8122 && (board[fromY][fromX] == WhitePawn)
8123 && (board[toY][toX] == EmptySquare)) {
8124 board[fromY][fromX] = EmptySquare;
8125 board[toY][toX] = WhitePawn;
8126 if(oldEP & EP_BEROLIN_A) {
8127 captured = board[fromY][fromX-1];
8128 board[fromY][fromX-1] = EmptySquare;
8129 }else{ captured = board[fromY][fromX+1];
8130 board[fromY][fromX+1] = EmptySquare;
8132 } else if (board[fromY][fromX] == king
8133 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8134 && toY == fromY && toX > fromX+1) {
8135 board[fromY][fromX] = EmptySquare;
8136 board[toY][toX] = king;
8137 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8138 board[fromY][BOARD_RGHT-1] = EmptySquare;
8139 } else if (board[fromY][fromX] == king
8140 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8141 && toY == fromY && toX < fromX-1) {
8142 board[fromY][fromX] = EmptySquare;
8143 board[toY][toX] = king;
8144 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8145 board[fromY][BOARD_LEFT] = EmptySquare;
8146 } else if (fromY == 7 && fromX == 3
8147 && board[fromY][fromX] == BlackKing
8148 && toY == 7 && toX == 5) {
8149 board[fromY][fromX] = EmptySquare;
8150 board[toY][toX] = BlackKing;
8151 board[fromY][7] = EmptySquare;
8152 board[toY][4] = BlackRook;
8153 } else if (fromY == 7 && fromX == 3
8154 && board[fromY][fromX] == BlackKing
8155 && toY == 7 && toX == 1) {
8156 board[fromY][fromX] = EmptySquare;
8157 board[toY][toX] = BlackKing;
8158 board[fromY][0] = EmptySquare;
8159 board[toY][2] = BlackRook;
8160 } else if (board[fromY][fromX] == BlackPawn
8162 && gameInfo.variant != VariantXiangqi
8164 /* black pawn promotion */
8165 board[toY][toX] = CharToPiece(ToLower(promoChar));
8166 if (board[toY][toX] == EmptySquare) {
8167 board[toY][toX] = BlackQueen;
8169 if(gameInfo.variant==VariantBughouse ||
8170 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8171 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8172 board[fromY][fromX] = EmptySquare;
8173 } else if ((fromY == 3)
8175 && gameInfo.variant != VariantXiangqi
8176 && gameInfo.variant != VariantBerolina
8177 && (board[fromY][fromX] == BlackPawn)
8178 && (board[toY][toX] == EmptySquare)) {
8179 board[fromY][fromX] = EmptySquare;
8180 board[toY][toX] = BlackPawn;
8181 captured = board[toY + 1][toX];
8182 board[toY + 1][toX] = EmptySquare;
8183 } else if ((fromY == 3)
8185 && gameInfo.variant == VariantBerolina
8186 && (board[fromY][fromX] == BlackPawn)
8187 && (board[toY][toX] == EmptySquare)) {
8188 board[fromY][fromX] = EmptySquare;
8189 board[toY][toX] = BlackPawn;
8190 if(oldEP & EP_BEROLIN_A) {
8191 captured = board[fromY][fromX-1];
8192 board[fromY][fromX-1] = EmptySquare;
8193 }else{ captured = board[fromY][fromX+1];
8194 board[fromY][fromX+1] = EmptySquare;
8197 board[toY][toX] = board[fromY][fromX];
8198 board[fromY][fromX] = EmptySquare;
8201 /* [HGM] now we promote for Shogi, if needed */
8202 if(gameInfo.variant == VariantShogi && promoChar == 'q')
8203 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8206 if (gameInfo.holdingsWidth != 0) {
8208 /* !!A lot more code needs to be written to support holdings */
8209 /* [HGM] OK, so I have written it. Holdings are stored in the */
8210 /* penultimate board files, so they are automaticlly stored */
8211 /* in the game history. */
8212 if (fromY == DROP_RANK) {
8213 /* Delete from holdings, by decreasing count */
8214 /* and erasing image if necessary */
8216 if(p < (int) BlackPawn) { /* white drop */
8217 p -= (int)WhitePawn;
8218 p = PieceToNumber((ChessSquare)p);
8219 if(p >= gameInfo.holdingsSize) p = 0;
8220 if(--board[p][BOARD_WIDTH-2] <= 0)
8221 board[p][BOARD_WIDTH-1] = EmptySquare;
8222 if((int)board[p][BOARD_WIDTH-2] < 0)
8223 board[p][BOARD_WIDTH-2] = 0;
8224 } else { /* black drop */
8225 p -= (int)BlackPawn;
8226 p = PieceToNumber((ChessSquare)p);
8227 if(p >= gameInfo.holdingsSize) p = 0;
8228 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
8229 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
8230 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
8231 board[BOARD_HEIGHT-1-p][1] = 0;
8234 if (captured != EmptySquare && gameInfo.holdingsSize > 0
8235 && gameInfo.variant != VariantBughouse ) {
8236 /* [HGM] holdings: Add to holdings, if holdings exist */
8237 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
8238 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
8239 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
8242 if (p >= (int) BlackPawn) {
8243 p -= (int)BlackPawn;
8244 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8245 /* in Shogi restore piece to its original first */
8246 captured = (ChessSquare) (DEMOTED captured);
8249 p = PieceToNumber((ChessSquare)p);
8250 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
8251 board[p][BOARD_WIDTH-2]++;
8252 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
8254 p -= (int)WhitePawn;
8255 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8256 captured = (ChessSquare) (DEMOTED captured);
8259 p = PieceToNumber((ChessSquare)p);
8260 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
8261 board[BOARD_HEIGHT-1-p][1]++;
8262 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
8265 } else if (gameInfo.variant == VariantAtomic) {
8266 if (captured != EmptySquare) {
8268 for (y = toY-1; y <= toY+1; y++) {
8269 for (x = toX-1; x <= toX+1; x++) {
8270 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
8271 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
8272 board[y][x] = EmptySquare;
8276 board[toY][toX] = EmptySquare;
8279 if(gameInfo.variant == VariantShogi && promoChar != NULLCHAR && promoChar != '=') {
8280 /* [HGM] Shogi promotions */
8281 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8284 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8285 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
8286 // [HGM] superchess: take promotion piece out of holdings
8287 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
8288 if((int)piece < (int)BlackPawn) { // determine stm from piece color
8289 if(!--board[k][BOARD_WIDTH-2])
8290 board[k][BOARD_WIDTH-1] = EmptySquare;
8292 if(!--board[BOARD_HEIGHT-1-k][1])
8293 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
8299 /* Updates forwardMostMove */
8301 MakeMove(fromX, fromY, toX, toY, promoChar)
8302 int fromX, fromY, toX, toY;
8305 // forwardMostMove++; // [HGM] bare: moved downstream
8307 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
8308 int timeLeft; static int lastLoadFlag=0; int king, piece;
8309 piece = boards[forwardMostMove][fromY][fromX];
8310 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
8311 if(gameInfo.variant == VariantKnightmate)
8312 king += (int) WhiteUnicorn - (int) WhiteKing;
8313 if(forwardMostMove == 0) {
8315 fprintf(serverMoves, "%s;", second.tidy);
8316 fprintf(serverMoves, "%s;", first.tidy);
8317 if(!blackPlaysFirst)
8318 fprintf(serverMoves, "%s;", second.tidy);
8319 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
8320 lastLoadFlag = loadFlag;
8322 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
8323 // print castling suffix
8324 if( toY == fromY && piece == king ) {
8326 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
8328 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
8331 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
8332 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
8333 boards[forwardMostMove][toY][toX] == EmptySquare
8335 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
8337 if(promoChar != NULLCHAR)
8338 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
8340 fprintf(serverMoves, "/%d/%d",
8341 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
8342 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
8343 else timeLeft = blackTimeRemaining/1000;
8344 fprintf(serverMoves, "/%d", timeLeft);
8346 fflush(serverMoves);
8349 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
8350 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
8354 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
8355 if (commentList[forwardMostMove+1] != NULL) {
8356 free(commentList[forwardMostMove+1]);
8357 commentList[forwardMostMove+1] = NULL;
8359 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8360 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
8361 forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
8362 SwitchClocks(); // uses forwardMostMove, so must be done after incrementing it !
8363 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
8364 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
8365 gameInfo.result = GameUnfinished;
8366 if (gameInfo.resultDetails != NULL) {
8367 free(gameInfo.resultDetails);
8368 gameInfo.resultDetails = NULL;
8370 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
8371 moveList[forwardMostMove - 1]);
8372 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
8373 PosFlags(forwardMostMove - 1),
8374 fromY, fromX, toY, toX, promoChar,
8375 parseList[forwardMostMove - 1]);
8376 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8382 if(gameInfo.variant != VariantShogi)
8383 strcat(parseList[forwardMostMove - 1], "+");
8387 strcat(parseList[forwardMostMove - 1], "#");
8390 if (appData.debugMode) {
8391 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
8396 /* Updates currentMove if not pausing */
8398 ShowMove(fromX, fromY, toX, toY)
8400 int instant = (gameMode == PlayFromGameFile) ?
8401 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
8402 if(appData.noGUI) return;
8403 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
8405 if (forwardMostMove == currentMove + 1) {
8406 AnimateMove(boards[forwardMostMove - 1],
8407 fromX, fromY, toX, toY);
8409 if (appData.highlightLastMove) {
8410 SetHighlights(fromX, fromY, toX, toY);
8413 currentMove = forwardMostMove;
8416 if (instant) return;
8418 DisplayMove(currentMove - 1);
8419 DrawPosition(FALSE, boards[currentMove]);
8420 DisplayBothClocks();
8421 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
8424 void SendEgtPath(ChessProgramState *cps)
8425 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
8426 char buf[MSG_SIZ], name[MSG_SIZ], *p;
8428 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
8431 char c, *q = name+1, *r, *s;
8433 name[0] = ','; // extract next format name from feature and copy with prefixed ','
8434 while(*p && *p != ',') *q++ = *p++;
8436 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
8437 strcmp(name, ",nalimov:") == 0 ) {
8438 // take nalimov path from the menu-changeable option first, if it is defined
8439 sprintf(buf, "egtpath nalimov %s\n", appData.defaultPathEGTB);
8440 SendToProgram(buf,cps); // send egtbpath command for nalimov
8442 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
8443 (s = StrStr(appData.egtFormats, name)) != NULL) {
8444 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
8445 s = r = StrStr(s, ":") + 1; // beginning of path info
8446 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
8447 c = *r; *r = 0; // temporarily null-terminate path info
8448 *--q = 0; // strip of trailig ':' from name
8449 sprintf(buf, "egtpath %s %s\n", name+1, s);
8451 SendToProgram(buf,cps); // send egtbpath command for this format
8453 if(*p == ',') p++; // read away comma to position for next format name
8458 InitChessProgram(cps, setup)
8459 ChessProgramState *cps;
8460 int setup; /* [HGM] needed to setup FRC opening position */
8462 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
8463 if (appData.noChessProgram) return;
8464 hintRequested = FALSE;
8465 bookRequested = FALSE;
8467 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
8468 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
8469 if(cps->memSize) { /* [HGM] memory */
8470 sprintf(buf, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
8471 SendToProgram(buf, cps);
8473 SendEgtPath(cps); /* [HGM] EGT */
8474 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
8475 sprintf(buf, "cores %d\n", appData.smpCores);
8476 SendToProgram(buf, cps);
8479 SendToProgram(cps->initString, cps);
8480 if (gameInfo.variant != VariantNormal &&
8481 gameInfo.variant != VariantLoadable
8482 /* [HGM] also send variant if board size non-standard */
8483 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
8485 char *v = VariantName(gameInfo.variant);
8486 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
8487 /* [HGM] in protocol 1 we have to assume all variants valid */
8488 sprintf(buf, _("Variant %s not supported by %s"), v, cps->tidy);
8489 DisplayFatalError(buf, 0, 1);
8493 /* [HGM] make prefix for non-standard board size. Awkward testing... */
8494 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8495 if( gameInfo.variant == VariantXiangqi )
8496 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
8497 if( gameInfo.variant == VariantShogi )
8498 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
8499 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
8500 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
8501 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
8502 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
8503 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8504 if( gameInfo.variant == VariantCourier )
8505 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8506 if( gameInfo.variant == VariantSuper )
8507 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8508 if( gameInfo.variant == VariantGreat )
8509 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8512 sprintf(b, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
8513 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
8514 /* [HGM] varsize: try first if this defiant size variant is specifically known */
8515 if(StrStr(cps->variants, b) == NULL) {
8516 // specific sized variant not known, check if general sizing allowed
8517 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
8518 if(StrStr(cps->variants, "boardsize") == NULL) {
8519 sprintf(buf, "Board size %dx%d+%d not supported by %s",
8520 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
8521 DisplayFatalError(buf, 0, 1);
8524 /* [HGM] here we really should compare with the maximum supported board size */
8527 } else sprintf(b, "%s", VariantName(gameInfo.variant));
8528 sprintf(buf, "variant %s\n", b);
8529 SendToProgram(buf, cps);
8531 currentlyInitializedVariant = gameInfo.variant;
8533 /* [HGM] send opening position in FRC to first engine */
8535 SendToProgram("force\n", cps);
8537 /* engine is now in force mode! Set flag to wake it up after first move. */
8538 setboardSpoiledMachineBlack = 1;
8542 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
8543 SendToProgram(buf, cps);
8545 cps->maybeThinking = FALSE;
8546 cps->offeredDraw = 0;
8547 if (!appData.icsActive) {
8548 SendTimeControl(cps, movesPerSession, timeControl,
8549 timeIncrement, appData.searchDepth,
8552 if (appData.showThinking
8553 // [HGM] thinking: four options require thinking output to be sent
8554 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8556 SendToProgram("post\n", cps);
8558 SendToProgram("hard\n", cps);
8559 if (!appData.ponderNextMove) {
8560 /* Warning: "easy" is a toggle in GNU Chess, so don't send
8561 it without being sure what state we are in first. "hard"
8562 is not a toggle, so that one is OK.
8564 SendToProgram("easy\n", cps);
8567 sprintf(buf, "ping %d\n", ++cps->lastPing);
8568 SendToProgram(buf, cps);
8570 cps->initDone = TRUE;
8575 StartChessProgram(cps)
8576 ChessProgramState *cps;
8581 if (appData.noChessProgram) return;
8582 cps->initDone = FALSE;
8584 if (strcmp(cps->host, "localhost") == 0) {
8585 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
8586 } else if (*appData.remoteShell == NULLCHAR) {
8587 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
8589 if (*appData.remoteUser == NULLCHAR) {
8590 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
8593 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
8594 cps->host, appData.remoteUser, cps->program);
8596 err = StartChildProcess(buf, "", &cps->pr);
8600 sprintf(buf, _("Startup failure on '%s'"), cps->program);
8601 DisplayFatalError(buf, err, 1);
8607 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
8608 if (cps->protocolVersion > 1) {
8609 sprintf(buf, "xboard\nprotover %d\n", cps->protocolVersion);
8610 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
8611 cps->comboCnt = 0; // and values of combo boxes
8612 SendToProgram(buf, cps);
8614 SendToProgram("xboard\n", cps);
8620 TwoMachinesEventIfReady P((void))
8622 if (first.lastPing != first.lastPong) {
8623 DisplayMessage("", _("Waiting for first chess program"));
8624 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8627 if (second.lastPing != second.lastPong) {
8628 DisplayMessage("", _("Waiting for second chess program"));
8629 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8637 NextMatchGame P((void))
8639 int index; /* [HGM] autoinc: step load index during match */
8641 if (*appData.loadGameFile != NULLCHAR) {
8642 index = appData.loadGameIndex;
8643 if(index < 0) { // [HGM] autoinc
8644 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8645 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8647 LoadGameFromFile(appData.loadGameFile,
8649 appData.loadGameFile, FALSE);
8650 } else if (*appData.loadPositionFile != NULLCHAR) {
8651 index = appData.loadPositionIndex;
8652 if(index < 0) { // [HGM] autoinc
8653 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8654 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8656 LoadPositionFromFile(appData.loadPositionFile,
8658 appData.loadPositionFile);
8660 TwoMachinesEventIfReady();
8663 void UserAdjudicationEvent( int result )
8665 ChessMove gameResult = GameIsDrawn;
8668 gameResult = WhiteWins;
8670 else if( result < 0 ) {
8671 gameResult = BlackWins;
8674 if( gameMode == TwoMachinesPlay ) {
8675 GameEnds( gameResult, "User adjudication", GE_XBOARD );
8680 // [HGM] save: calculate checksum of game to make games easily identifiable
8681 int StringCheckSum(char *s)
8684 if(s==NULL) return 0;
8685 while(*s) i = i*259 + *s++;
8692 for(i=backwardMostMove; i<forwardMostMove; i++) {
8693 sum += pvInfoList[i].depth;
8694 sum += StringCheckSum(parseList[i]);
8695 sum += StringCheckSum(commentList[i]);
8698 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
8699 return sum + StringCheckSum(commentList[i]);
8700 } // end of save patch
8703 GameEnds(result, resultDetails, whosays)
8705 char *resultDetails;
8708 GameMode nextGameMode;
8712 if(endingGame) return; /* [HGM] crash: forbid recursion */
8715 if (appData.debugMode) {
8716 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
8717 result, resultDetails ? resultDetails : "(null)", whosays);
8720 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
8721 /* If we are playing on ICS, the server decides when the
8722 game is over, but the engine can offer to draw, claim
8726 if (appData.zippyPlay && first.initDone) {
8727 if (result == GameIsDrawn) {
8728 /* In case draw still needs to be claimed */
8729 SendToICS(ics_prefix);
8730 SendToICS("draw\n");
8731 } else if (StrCaseStr(resultDetails, "resign")) {
8732 SendToICS(ics_prefix);
8733 SendToICS("resign\n");
8737 endingGame = 0; /* [HGM] crash */
8741 /* If we're loading the game from a file, stop */
8742 if (whosays == GE_FILE) {
8743 (void) StopLoadGameTimer();
8747 /* Cancel draw offers */
8748 first.offeredDraw = second.offeredDraw = 0;
8750 /* If this is an ICS game, only ICS can really say it's done;
8751 if not, anyone can. */
8752 isIcsGame = (gameMode == IcsPlayingWhite ||
8753 gameMode == IcsPlayingBlack ||
8754 gameMode == IcsObserving ||
8755 gameMode == IcsExamining);
8757 if (!isIcsGame || whosays == GE_ICS) {
8758 /* OK -- not an ICS game, or ICS said it was done */
8760 if (!isIcsGame && !appData.noChessProgram)
8761 SetUserThinkingEnables();
8763 /* [HGM] if a machine claims the game end we verify this claim */
8764 if(gameMode == TwoMachinesPlay && appData.testClaims) {
8765 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
8767 ChessMove trueResult = (ChessMove) -1;
8769 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
8770 first.twoMachinesColor[0] :
8771 second.twoMachinesColor[0] ;
8773 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
8774 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
8775 /* [HGM] verify: engine mate claims accepted if they were flagged */
8776 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
8778 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
8779 /* [HGM] verify: engine mate claims accepted if they were flagged */
8780 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8782 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
8783 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
8786 // now verify win claims, but not in drop games, as we don't understand those yet
8787 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
8788 || gameInfo.variant == VariantGreat) &&
8789 (result == WhiteWins && claimer == 'w' ||
8790 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
8791 if (appData.debugMode) {
8792 fprintf(debugFP, "result=%d sp=%d move=%d\n",
8793 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
8795 if(result != trueResult) {
8796 sprintf(buf, "False win claim: '%s'", resultDetails);
8797 result = claimer == 'w' ? BlackWins : WhiteWins;
8798 resultDetails = buf;
8801 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
8802 && (forwardMostMove <= backwardMostMove ||
8803 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
8804 (claimer=='b')==(forwardMostMove&1))
8806 /* [HGM] verify: draws that were not flagged are false claims */
8807 sprintf(buf, "False draw claim: '%s'", resultDetails);
8808 result = claimer == 'w' ? BlackWins : WhiteWins;
8809 resultDetails = buf;
8811 /* (Claiming a loss is accepted no questions asked!) */
8813 /* [HGM] bare: don't allow bare King to win */
8814 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8815 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
8816 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
8817 && result != GameIsDrawn)
8818 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
8819 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
8820 int p = (signed char)boards[forwardMostMove][i][j] - color;
8821 if(p >= 0 && p <= (int)WhiteKing) k++;
8823 if (appData.debugMode) {
8824 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
8825 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
8828 result = GameIsDrawn;
8829 sprintf(buf, "%s but bare king", resultDetails);
8830 resultDetails = buf;
8836 if(serverMoves != NULL && !loadFlag) { char c = '=';
8837 if(result==WhiteWins) c = '+';
8838 if(result==BlackWins) c = '-';
8839 if(resultDetails != NULL)
8840 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
8842 if (resultDetails != NULL) {
8843 gameInfo.result = result;
8844 gameInfo.resultDetails = StrSave(resultDetails);
8846 /* display last move only if game was not loaded from file */
8847 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
8848 DisplayMove(currentMove - 1);
8850 if (forwardMostMove != 0) {
8851 if (gameMode != PlayFromGameFile && gameMode != EditGame
8852 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
8854 if (*appData.saveGameFile != NULLCHAR) {
8855 SaveGameToFile(appData.saveGameFile, TRUE);
8856 } else if (appData.autoSaveGames) {
8859 if (*appData.savePositionFile != NULLCHAR) {
8860 SavePositionToFile(appData.savePositionFile);
8865 /* Tell program how game ended in case it is learning */
8866 /* [HGM] Moved this to after saving the PGN, just in case */
8867 /* engine died and we got here through time loss. In that */
8868 /* case we will get a fatal error writing the pipe, which */
8869 /* would otherwise lose us the PGN. */
8870 /* [HGM] crash: not needed anymore, but doesn't hurt; */
8871 /* output during GameEnds should never be fatal anymore */
8872 if (gameMode == MachinePlaysWhite ||
8873 gameMode == MachinePlaysBlack ||
8874 gameMode == TwoMachinesPlay ||
8875 gameMode == IcsPlayingWhite ||
8876 gameMode == IcsPlayingBlack ||
8877 gameMode == BeginningOfGame) {
8879 sprintf(buf, "result %s {%s}\n", PGNResult(result),
8881 if (first.pr != NoProc) {
8882 SendToProgram(buf, &first);
8884 if (second.pr != NoProc &&
8885 gameMode == TwoMachinesPlay) {
8886 SendToProgram(buf, &second);
8891 if (appData.icsActive) {
8892 if (appData.quietPlay &&
8893 (gameMode == IcsPlayingWhite ||
8894 gameMode == IcsPlayingBlack)) {
8895 SendToICS(ics_prefix);
8896 SendToICS("set shout 1\n");
8898 nextGameMode = IcsIdle;
8899 ics_user_moved = FALSE;
8900 /* clean up premove. It's ugly when the game has ended and the
8901 * premove highlights are still on the board.
8905 ClearPremoveHighlights();
8906 DrawPosition(FALSE, boards[currentMove]);
8908 if (whosays == GE_ICS) {
8911 if (gameMode == IcsPlayingWhite)
8913 else if(gameMode == IcsPlayingBlack)
8917 if (gameMode == IcsPlayingBlack)
8919 else if(gameMode == IcsPlayingWhite)
8926 PlayIcsUnfinishedSound();
8929 } else if (gameMode == EditGame ||
8930 gameMode == PlayFromGameFile ||
8931 gameMode == AnalyzeMode ||
8932 gameMode == AnalyzeFile) {
8933 nextGameMode = gameMode;
8935 nextGameMode = EndOfGame;
8940 nextGameMode = gameMode;
8943 if (appData.noChessProgram) {
8944 gameMode = nextGameMode;
8946 endingGame = 0; /* [HGM] crash */
8951 /* Put first chess program into idle state */
8952 if (first.pr != NoProc &&
8953 (gameMode == MachinePlaysWhite ||
8954 gameMode == MachinePlaysBlack ||
8955 gameMode == TwoMachinesPlay ||
8956 gameMode == IcsPlayingWhite ||
8957 gameMode == IcsPlayingBlack ||
8958 gameMode == BeginningOfGame)) {
8959 SendToProgram("force\n", &first);
8960 if (first.usePing) {
8962 sprintf(buf, "ping %d\n", ++first.lastPing);
8963 SendToProgram(buf, &first);
8966 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
8967 /* Kill off first chess program */
8968 if (first.isr != NULL)
8969 RemoveInputSource(first.isr);
8972 if (first.pr != NoProc) {
8974 DoSleep( appData.delayBeforeQuit );
8975 SendToProgram("quit\n", &first);
8976 DoSleep( appData.delayAfterQuit );
8977 DestroyChildProcess(first.pr, first.useSigterm);
8982 /* Put second chess program into idle state */
8983 if (second.pr != NoProc &&
8984 gameMode == TwoMachinesPlay) {
8985 SendToProgram("force\n", &second);
8986 if (second.usePing) {
8988 sprintf(buf, "ping %d\n", ++second.lastPing);
8989 SendToProgram(buf, &second);
8992 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
8993 /* Kill off second chess program */
8994 if (second.isr != NULL)
8995 RemoveInputSource(second.isr);
8998 if (second.pr != NoProc) {
8999 DoSleep( appData.delayBeforeQuit );
9000 SendToProgram("quit\n", &second);
9001 DoSleep( appData.delayAfterQuit );
9002 DestroyChildProcess(second.pr, second.useSigterm);
9007 if (matchMode && gameMode == TwoMachinesPlay) {
9010 if (first.twoMachinesColor[0] == 'w') {
9017 if (first.twoMachinesColor[0] == 'b') {
9026 if (matchGame < appData.matchGames) {
9028 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
9029 tmp = first.twoMachinesColor;
9030 first.twoMachinesColor = second.twoMachinesColor;
9031 second.twoMachinesColor = tmp;
9033 gameMode = nextGameMode;
9035 if(appData.matchPause>10000 || appData.matchPause<10)
9036 appData.matchPause = 10000; /* [HGM] make pause adjustable */
9037 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
9038 endingGame = 0; /* [HGM] crash */
9042 gameMode = nextGameMode;
9043 sprintf(buf, _("Match %s vs. %s: final score %d-%d-%d"),
9044 first.tidy, second.tidy,
9045 first.matchWins, second.matchWins,
9046 appData.matchGames - (first.matchWins + second.matchWins));
9047 DisplayFatalError(buf, 0, 0);
9050 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
9051 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
9053 gameMode = nextGameMode;
9055 endingGame = 0; /* [HGM] crash */
9058 /* Assumes program was just initialized (initString sent).
9059 Leaves program in force mode. */
9061 FeedMovesToProgram(cps, upto)
9062 ChessProgramState *cps;
9067 if (appData.debugMode)
9068 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
9069 startedFromSetupPosition ? "position and " : "",
9070 backwardMostMove, upto, cps->which);
9071 if(currentlyInitializedVariant != gameInfo.variant) { char buf[MSG_SIZ];
9072 // [HGM] variantswitch: make engine aware of new variant
9073 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
9074 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
9075 sprintf(buf, "variant %s\n", VariantName(gameInfo.variant));
9076 SendToProgram(buf, cps);
9077 currentlyInitializedVariant = gameInfo.variant;
9079 SendToProgram("force\n", cps);
9080 if (startedFromSetupPosition) {
9081 SendBoard(cps, backwardMostMove);
9082 if (appData.debugMode) {
9083 fprintf(debugFP, "feedMoves\n");
9086 for (i = backwardMostMove; i < upto; i++) {
9087 SendMoveToProgram(i, cps);
9093 ResurrectChessProgram()
9095 /* The chess program may have exited.
9096 If so, restart it and feed it all the moves made so far. */
9098 if (appData.noChessProgram || first.pr != NoProc) return;
9100 StartChessProgram(&first);
9101 InitChessProgram(&first, FALSE);
9102 FeedMovesToProgram(&first, currentMove);
9104 if (!first.sendTime) {
9105 /* can't tell gnuchess what its clock should read,
9106 so we bow to its notion. */
9108 timeRemaining[0][currentMove] = whiteTimeRemaining;
9109 timeRemaining[1][currentMove] = blackTimeRemaining;
9112 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
9113 appData.icsEngineAnalyze) && first.analysisSupport) {
9114 SendToProgram("analyze\n", &first);
9115 first.analyzing = TRUE;
9128 if (appData.debugMode) {
9129 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
9130 redraw, init, gameMode);
9132 CleanupTail(); // [HGM] vari: delete any stored variations
9133 pausing = pauseExamInvalid = FALSE;
9134 startedFromSetupPosition = blackPlaysFirst = FALSE;
9136 whiteFlag = blackFlag = FALSE;
9137 userOfferedDraw = FALSE;
9138 hintRequested = bookRequested = FALSE;
9139 first.maybeThinking = FALSE;
9140 second.maybeThinking = FALSE;
9141 first.bookSuspend = FALSE; // [HGM] book
9142 second.bookSuspend = FALSE;
9143 thinkOutput[0] = NULLCHAR;
9144 lastHint[0] = NULLCHAR;
9145 ClearGameInfo(&gameInfo);
9146 gameInfo.variant = StringToVariant(appData.variant);
9147 ics_user_moved = ics_clock_paused = FALSE;
9148 ics_getting_history = H_FALSE;
9150 white_holding[0] = black_holding[0] = NULLCHAR;
9151 ClearProgramStats();
9152 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
9156 flipView = appData.flipView;
9157 ClearPremoveHighlights();
9159 alarmSounded = FALSE;
9161 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
9162 if(appData.serverMovesName != NULL) {
9163 /* [HGM] prepare to make moves file for broadcasting */
9164 clock_t t = clock();
9165 if(serverMoves != NULL) fclose(serverMoves);
9166 serverMoves = fopen(appData.serverMovesName, "r");
9167 if(serverMoves != NULL) {
9168 fclose(serverMoves);
9169 /* delay 15 sec before overwriting, so all clients can see end */
9170 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
9172 serverMoves = fopen(appData.serverMovesName, "w");
9176 gameMode = BeginningOfGame;
9178 if(appData.icsActive) gameInfo.variant = VariantNormal;
9179 currentMove = forwardMostMove = backwardMostMove = 0;
9180 InitPosition(redraw);
9181 for (i = 0; i < MAX_MOVES; i++) {
9182 if (commentList[i] != NULL) {
9183 free(commentList[i]);
9184 commentList[i] = NULL;
9188 timeRemaining[0][0] = whiteTimeRemaining;
9189 timeRemaining[1][0] = blackTimeRemaining;
9190 if (first.pr == NULL) {
9191 StartChessProgram(&first);
9194 InitChessProgram(&first, startedFromSetupPosition);
9197 DisplayMessage("", "");
9198 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9199 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
9206 if (!AutoPlayOneMove())
9208 if (matchMode || appData.timeDelay == 0)
9210 if (appData.timeDelay < 0 || gameMode == AnalyzeFile)
9212 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
9221 int fromX, fromY, toX, toY;
9223 if (appData.debugMode) {
9224 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
9227 if (gameMode != PlayFromGameFile)
9230 if (currentMove >= forwardMostMove) {
9231 gameMode = EditGame;
9234 /* [AS] Clear current move marker at the end of a game */
9235 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
9240 toX = moveList[currentMove][2] - AAA;
9241 toY = moveList[currentMove][3] - ONE;
9243 if (moveList[currentMove][1] == '@') {
9244 if (appData.highlightLastMove) {
9245 SetHighlights(-1, -1, toX, toY);
9248 fromX = moveList[currentMove][0] - AAA;
9249 fromY = moveList[currentMove][1] - ONE;
9251 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
9253 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
9255 if (appData.highlightLastMove) {
9256 SetHighlights(fromX, fromY, toX, toY);
9259 DisplayMove(currentMove);
9260 SendMoveToProgram(currentMove++, &first);
9261 DisplayBothClocks();
9262 DrawPosition(FALSE, boards[currentMove]);
9263 // [HGM] PV info: always display, routine tests if empty
9264 DisplayComment(currentMove - 1, commentList[currentMove]);
9270 LoadGameOneMove(readAhead)
9271 ChessMove readAhead;
9273 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
9274 char promoChar = NULLCHAR;
9279 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
9280 gameMode != AnalyzeMode && gameMode != Training) {
9285 yyboardindex = forwardMostMove;
9286 if (readAhead != (ChessMove)0) {
9287 moveType = readAhead;
9289 if (gameFileFP == NULL)
9291 moveType = (ChessMove) yylex();
9297 if (appData.debugMode)
9298 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9301 /* append the comment but don't display it */
9302 AppendComment(currentMove, p, FALSE);
9305 case WhiteCapturesEnPassant:
9306 case BlackCapturesEnPassant:
9307 case WhitePromotionChancellor:
9308 case BlackPromotionChancellor:
9309 case WhitePromotionArchbishop:
9310 case BlackPromotionArchbishop:
9311 case WhitePromotionCentaur:
9312 case BlackPromotionCentaur:
9313 case WhitePromotionQueen:
9314 case BlackPromotionQueen:
9315 case WhitePromotionRook:
9316 case BlackPromotionRook:
9317 case WhitePromotionBishop:
9318 case BlackPromotionBishop:
9319 case WhitePromotionKnight:
9320 case BlackPromotionKnight:
9321 case WhitePromotionKing:
9322 case BlackPromotionKing:
9324 case WhiteKingSideCastle:
9325 case WhiteQueenSideCastle:
9326 case BlackKingSideCastle:
9327 case BlackQueenSideCastle:
9328 case WhiteKingSideCastleWild:
9329 case WhiteQueenSideCastleWild:
9330 case BlackKingSideCastleWild:
9331 case BlackQueenSideCastleWild:
9333 case WhiteHSideCastleFR:
9334 case WhiteASideCastleFR:
9335 case BlackHSideCastleFR:
9336 case BlackASideCastleFR:
9338 if (appData.debugMode)
9339 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9340 fromX = currentMoveString[0] - AAA;
9341 fromY = currentMoveString[1] - ONE;
9342 toX = currentMoveString[2] - AAA;
9343 toY = currentMoveString[3] - ONE;
9344 promoChar = currentMoveString[4];
9349 if (appData.debugMode)
9350 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9351 fromX = moveType == WhiteDrop ?
9352 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9353 (int) CharToPiece(ToLower(currentMoveString[0]));
9355 toX = currentMoveString[2] - AAA;
9356 toY = currentMoveString[3] - ONE;
9362 case GameUnfinished:
9363 if (appData.debugMode)
9364 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
9365 p = strchr(yy_text, '{');
9366 if (p == NULL) p = strchr(yy_text, '(');
9369 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9371 q = strchr(p, *p == '{' ? '}' : ')');
9372 if (q != NULL) *q = NULLCHAR;
9375 GameEnds(moveType, p, GE_FILE);
9377 if (cmailMsgLoaded) {
9379 flipView = WhiteOnMove(currentMove);
9380 if (moveType == GameUnfinished) flipView = !flipView;
9381 if (appData.debugMode)
9382 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
9386 case (ChessMove) 0: /* end of file */
9387 if (appData.debugMode)
9388 fprintf(debugFP, "Parser hit end of file\n");
9389 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9395 if (WhiteOnMove(currentMove)) {
9396 GameEnds(BlackWins, "Black mates", GE_FILE);
9398 GameEnds(WhiteWins, "White mates", GE_FILE);
9402 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9409 if (lastLoadGameStart == GNUChessGame) {
9410 /* GNUChessGames have numbers, but they aren't move numbers */
9411 if (appData.debugMode)
9412 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9413 yy_text, (int) moveType);
9414 return LoadGameOneMove((ChessMove)0); /* tail recursion */
9416 /* else fall thru */
9421 /* Reached start of next game in file */
9422 if (appData.debugMode)
9423 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
9424 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9430 if (WhiteOnMove(currentMove)) {
9431 GameEnds(BlackWins, "Black mates", GE_FILE);
9433 GameEnds(WhiteWins, "White mates", GE_FILE);
9437 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9443 case PositionDiagram: /* should not happen; ignore */
9444 case ElapsedTime: /* ignore */
9445 case NAG: /* ignore */
9446 if (appData.debugMode)
9447 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9448 yy_text, (int) moveType);
9449 return LoadGameOneMove((ChessMove)0); /* tail recursion */
9452 if (appData.testLegality) {
9453 if (appData.debugMode)
9454 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
9455 sprintf(move, _("Illegal move: %d.%s%s"),
9456 (forwardMostMove / 2) + 1,
9457 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9458 DisplayError(move, 0);
9461 if (appData.debugMode)
9462 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
9463 yy_text, currentMoveString);
9464 fromX = currentMoveString[0] - AAA;
9465 fromY = currentMoveString[1] - ONE;
9466 toX = currentMoveString[2] - AAA;
9467 toY = currentMoveString[3] - ONE;
9468 promoChar = currentMoveString[4];
9473 if (appData.debugMode)
9474 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
9475 sprintf(move, _("Ambiguous move: %d.%s%s"),
9476 (forwardMostMove / 2) + 1,
9477 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9478 DisplayError(move, 0);
9483 case ImpossibleMove:
9484 if (appData.debugMode)
9485 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
9486 sprintf(move, _("Illegal move: %d.%s%s"),
9487 (forwardMostMove / 2) + 1,
9488 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9489 DisplayError(move, 0);
9495 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
9496 DrawPosition(FALSE, boards[currentMove]);
9497 DisplayBothClocks();
9498 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
9499 DisplayComment(currentMove - 1, commentList[currentMove]);
9501 (void) StopLoadGameTimer();
9503 cmailOldMove = forwardMostMove;
9506 /* currentMoveString is set as a side-effect of yylex */
9507 strcat(currentMoveString, "\n");
9508 strcpy(moveList[forwardMostMove], currentMoveString);
9510 thinkOutput[0] = NULLCHAR;
9511 MakeMove(fromX, fromY, toX, toY, promoChar);
9512 currentMove = forwardMostMove;
9517 /* Load the nth game from the given file */
9519 LoadGameFromFile(filename, n, title, useList)
9523 /*Boolean*/ int useList;
9528 if (strcmp(filename, "-") == 0) {
9532 f = fopen(filename, "rb");
9534 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9535 DisplayError(buf, errno);
9539 if (fseek(f, 0, 0) == -1) {
9540 /* f is not seekable; probably a pipe */
9543 if (useList && n == 0) {
9544 int error = GameListBuild(f);
9546 DisplayError(_("Cannot build game list"), error);
9547 } else if (!ListEmpty(&gameList) &&
9548 ((ListGame *) gameList.tailPred)->number > 1) {
9549 GameListPopUp(f, title);
9556 return LoadGame(f, n, title, FALSE);
9561 MakeRegisteredMove()
9563 int fromX, fromY, toX, toY;
9565 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9566 switch (cmailMoveType[lastLoadGameNumber - 1]) {
9569 if (appData.debugMode)
9570 fprintf(debugFP, "Restoring %s for game %d\n",
9571 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
9573 thinkOutput[0] = NULLCHAR;
9574 strcpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1]);
9575 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
9576 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
9577 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
9578 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
9579 promoChar = cmailMove[lastLoadGameNumber - 1][4];
9580 MakeMove(fromX, fromY, toX, toY, promoChar);
9581 ShowMove(fromX, fromY, toX, toY);
9583 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9590 if (WhiteOnMove(currentMove)) {
9591 GameEnds(BlackWins, "Black mates", GE_PLAYER);
9593 GameEnds(WhiteWins, "White mates", GE_PLAYER);
9598 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
9605 if (WhiteOnMove(currentMove)) {
9606 GameEnds(BlackWins, "White resigns", GE_PLAYER);
9608 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
9613 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
9624 /* Wrapper around LoadGame for use when a Cmail message is loaded */
9626 CmailLoadGame(f, gameNumber, title, useList)
9634 if (gameNumber > nCmailGames) {
9635 DisplayError(_("No more games in this message"), 0);
9638 if (f == lastLoadGameFP) {
9639 int offset = gameNumber - lastLoadGameNumber;
9641 cmailMsg[0] = NULLCHAR;
9642 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9643 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
9644 nCmailMovesRegistered--;
9646 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
9647 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
9648 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
9651 if (! RegisterMove()) return FALSE;
9655 retVal = LoadGame(f, gameNumber, title, useList);
9657 /* Make move registered during previous look at this game, if any */
9658 MakeRegisteredMove();
9660 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
9661 commentList[currentMove]
9662 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
9663 DisplayComment(currentMove - 1, commentList[currentMove]);
9669 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
9674 int gameNumber = lastLoadGameNumber + offset;
9675 if (lastLoadGameFP == NULL) {
9676 DisplayError(_("No game has been loaded yet"), 0);
9679 if (gameNumber <= 0) {
9680 DisplayError(_("Can't back up any further"), 0);
9683 if (cmailMsgLoaded) {
9684 return CmailLoadGame(lastLoadGameFP, gameNumber,
9685 lastLoadGameTitle, lastLoadGameUseList);
9687 return LoadGame(lastLoadGameFP, gameNumber,
9688 lastLoadGameTitle, lastLoadGameUseList);
9694 /* Load the nth game from open file f */
9696 LoadGame(f, gameNumber, title, useList)
9704 int gn = gameNumber;
9705 ListGame *lg = NULL;
9708 GameMode oldGameMode;
9709 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
9711 if (appData.debugMode)
9712 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
9714 if (gameMode == Training )
9715 SetTrainingModeOff();
9717 oldGameMode = gameMode;
9718 if (gameMode != BeginningOfGame) {
9723 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
9724 fclose(lastLoadGameFP);
9728 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
9731 fseek(f, lg->offset, 0);
9732 GameListHighlight(gameNumber);
9736 DisplayError(_("Game number out of range"), 0);
9741 if (fseek(f, 0, 0) == -1) {
9742 if (f == lastLoadGameFP ?
9743 gameNumber == lastLoadGameNumber + 1 :
9747 DisplayError(_("Can't seek on game file"), 0);
9753 lastLoadGameNumber = gameNumber;
9754 strcpy(lastLoadGameTitle, title);
9755 lastLoadGameUseList = useList;
9759 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
9760 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
9761 lg->gameInfo.black);
9763 } else if (*title != NULLCHAR) {
9764 if (gameNumber > 1) {
9765 sprintf(buf, "%s %d", title, gameNumber);
9768 DisplayTitle(title);
9772 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
9773 gameMode = PlayFromGameFile;
9777 currentMove = forwardMostMove = backwardMostMove = 0;
9778 CopyBoard(boards[0], initialPosition);
9782 * Skip the first gn-1 games in the file.
9783 * Also skip over anything that precedes an identifiable
9784 * start of game marker, to avoid being confused by
9785 * garbage at the start of the file. Currently
9786 * recognized start of game markers are the move number "1",
9787 * the pattern "gnuchess .* game", the pattern
9788 * "^[#;%] [^ ]* game file", and a PGN tag block.
9789 * A game that starts with one of the latter two patterns
9790 * will also have a move number 1, possibly
9791 * following a position diagram.
9792 * 5-4-02: Let's try being more lenient and allowing a game to
9793 * start with an unnumbered move. Does that break anything?
9795 cm = lastLoadGameStart = (ChessMove) 0;
9797 yyboardindex = forwardMostMove;
9798 cm = (ChessMove) yylex();
9801 if (cmailMsgLoaded) {
9802 nCmailGames = CMAIL_MAX_GAMES - gn;
9805 DisplayError(_("Game not found in file"), 0);
9812 lastLoadGameStart = cm;
9816 switch (lastLoadGameStart) {
9823 gn--; /* count this game */
9824 lastLoadGameStart = cm;
9833 switch (lastLoadGameStart) {
9838 gn--; /* count this game */
9839 lastLoadGameStart = cm;
9842 lastLoadGameStart = cm; /* game counted already */
9850 yyboardindex = forwardMostMove;
9851 cm = (ChessMove) yylex();
9852 } while (cm == PGNTag || cm == Comment);
9859 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
9860 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
9861 != CMAIL_OLD_RESULT) {
9863 cmailResult[ CMAIL_MAX_GAMES
9864 - gn - 1] = CMAIL_OLD_RESULT;
9870 /* Only a NormalMove can be at the start of a game
9871 * without a position diagram. */
9872 if (lastLoadGameStart == (ChessMove) 0) {
9874 lastLoadGameStart = MoveNumberOne;
9883 if (appData.debugMode)
9884 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
9886 if (cm == XBoardGame) {
9887 /* Skip any header junk before position diagram and/or move 1 */
9889 yyboardindex = forwardMostMove;
9890 cm = (ChessMove) yylex();
9892 if (cm == (ChessMove) 0 ||
9893 cm == GNUChessGame || cm == XBoardGame) {
9894 /* Empty game; pretend end-of-file and handle later */
9899 if (cm == MoveNumberOne || cm == PositionDiagram ||
9900 cm == PGNTag || cm == Comment)
9903 } else if (cm == GNUChessGame) {
9904 if (gameInfo.event != NULL) {
9905 free(gameInfo.event);
9907 gameInfo.event = StrSave(yy_text);
9910 startedFromSetupPosition = FALSE;
9911 while (cm == PGNTag) {
9912 if (appData.debugMode)
9913 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
9914 err = ParsePGNTag(yy_text, &gameInfo);
9915 if (!err) numPGNTags++;
9917 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
9918 if(gameInfo.variant != oldVariant) {
9919 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
9921 oldVariant = gameInfo.variant;
9922 if (appData.debugMode)
9923 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
9927 if (gameInfo.fen != NULL) {
9928 Board initial_position;
9929 startedFromSetupPosition = TRUE;
9930 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
9932 DisplayError(_("Bad FEN position in file"), 0);
9935 CopyBoard(boards[0], initial_position);
9936 if (blackPlaysFirst) {
9937 currentMove = forwardMostMove = backwardMostMove = 1;
9938 CopyBoard(boards[1], initial_position);
9939 strcpy(moveList[0], "");
9940 strcpy(parseList[0], "");
9941 timeRemaining[0][1] = whiteTimeRemaining;
9942 timeRemaining[1][1] = blackTimeRemaining;
9943 if (commentList[0] != NULL) {
9944 commentList[1] = commentList[0];
9945 commentList[0] = NULL;
9948 currentMove = forwardMostMove = backwardMostMove = 0;
9950 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
9952 initialRulePlies = FENrulePlies;
9953 for( i=0; i< nrCastlingRights; i++ )
9954 initialRights[i] = initial_position[CASTLING][i];
9956 yyboardindex = forwardMostMove;
9958 gameInfo.fen = NULL;
9961 yyboardindex = forwardMostMove;
9962 cm = (ChessMove) yylex();
9964 /* Handle comments interspersed among the tags */
9965 while (cm == Comment) {
9967 if (appData.debugMode)
9968 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9970 AppendComment(currentMove, p, FALSE);
9971 yyboardindex = forwardMostMove;
9972 cm = (ChessMove) yylex();
9976 /* don't rely on existence of Event tag since if game was
9977 * pasted from clipboard the Event tag may not exist
9979 if (numPGNTags > 0){
9981 if (gameInfo.variant == VariantNormal) {
9982 gameInfo.variant = StringToVariant(gameInfo.event);
9985 if( appData.autoDisplayTags ) {
9986 tags = PGNTags(&gameInfo);
9987 TagsPopUp(tags, CmailMsg());
9992 /* Make something up, but don't display it now */
9997 if (cm == PositionDiagram) {
10000 Board initial_position;
10002 if (appData.debugMode)
10003 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
10005 if (!startedFromSetupPosition) {
10007 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
10008 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
10018 initial_position[i][j++] = CharToPiece(*p);
10021 while (*p == ' ' || *p == '\t' ||
10022 *p == '\n' || *p == '\r') p++;
10024 if (strncmp(p, "black", strlen("black"))==0)
10025 blackPlaysFirst = TRUE;
10027 blackPlaysFirst = FALSE;
10028 startedFromSetupPosition = TRUE;
10030 CopyBoard(boards[0], initial_position);
10031 if (blackPlaysFirst) {
10032 currentMove = forwardMostMove = backwardMostMove = 1;
10033 CopyBoard(boards[1], initial_position);
10034 strcpy(moveList[0], "");
10035 strcpy(parseList[0], "");
10036 timeRemaining[0][1] = whiteTimeRemaining;
10037 timeRemaining[1][1] = blackTimeRemaining;
10038 if (commentList[0] != NULL) {
10039 commentList[1] = commentList[0];
10040 commentList[0] = NULL;
10043 currentMove = forwardMostMove = backwardMostMove = 0;
10046 yyboardindex = forwardMostMove;
10047 cm = (ChessMove) yylex();
10050 if (first.pr == NoProc) {
10051 StartChessProgram(&first);
10053 InitChessProgram(&first, FALSE);
10054 SendToProgram("force\n", &first);
10055 if (startedFromSetupPosition) {
10056 SendBoard(&first, forwardMostMove);
10057 if (appData.debugMode) {
10058 fprintf(debugFP, "Load Game\n");
10060 DisplayBothClocks();
10063 /* [HGM] server: flag to write setup moves in broadcast file as one */
10064 loadFlag = appData.suppressLoadMoves;
10066 while (cm == Comment) {
10068 if (appData.debugMode)
10069 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10071 AppendComment(currentMove, p, FALSE);
10072 yyboardindex = forwardMostMove;
10073 cm = (ChessMove) yylex();
10076 if ((cm == (ChessMove) 0 && lastLoadGameStart != (ChessMove) 0) ||
10077 cm == WhiteWins || cm == BlackWins ||
10078 cm == GameIsDrawn || cm == GameUnfinished) {
10079 DisplayMessage("", _("No moves in game"));
10080 if (cmailMsgLoaded) {
10081 if (appData.debugMode)
10082 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
10086 DrawPosition(FALSE, boards[currentMove]);
10087 DisplayBothClocks();
10088 gameMode = EditGame;
10095 // [HGM] PV info: routine tests if comment empty
10096 if (!matchMode && (pausing || appData.timeDelay != 0)) {
10097 DisplayComment(currentMove - 1, commentList[currentMove]);
10099 if (!matchMode && appData.timeDelay != 0)
10100 DrawPosition(FALSE, boards[currentMove]);
10102 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
10103 programStats.ok_to_send = 1;
10106 /* if the first token after the PGN tags is a move
10107 * and not move number 1, retrieve it from the parser
10109 if (cm != MoveNumberOne)
10110 LoadGameOneMove(cm);
10112 /* load the remaining moves from the file */
10113 while (LoadGameOneMove((ChessMove)0)) {
10114 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10115 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10118 /* rewind to the start of the game */
10119 currentMove = backwardMostMove;
10121 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10123 if (oldGameMode == AnalyzeFile ||
10124 oldGameMode == AnalyzeMode) {
10125 AnalyzeFileEvent();
10128 if (matchMode || appData.timeDelay == 0) {
10130 gameMode = EditGame;
10132 } else if (appData.timeDelay > 0) {
10133 AutoPlayGameLoop();
10136 if (appData.debugMode)
10137 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
10139 loadFlag = 0; /* [HGM] true game starts */
10143 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
10145 ReloadPosition(offset)
10148 int positionNumber = lastLoadPositionNumber + offset;
10149 if (lastLoadPositionFP == NULL) {
10150 DisplayError(_("No position has been loaded yet"), 0);
10153 if (positionNumber <= 0) {
10154 DisplayError(_("Can't back up any further"), 0);
10157 return LoadPosition(lastLoadPositionFP, positionNumber,
10158 lastLoadPositionTitle);
10161 /* Load the nth position from the given file */
10163 LoadPositionFromFile(filename, n, title)
10171 if (strcmp(filename, "-") == 0) {
10172 return LoadPosition(stdin, n, "stdin");
10174 f = fopen(filename, "rb");
10176 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10177 DisplayError(buf, errno);
10180 return LoadPosition(f, n, title);
10185 /* Load the nth position from the given open file, and close it */
10187 LoadPosition(f, positionNumber, title)
10189 int positionNumber;
10192 char *p, line[MSG_SIZ];
10193 Board initial_position;
10194 int i, j, fenMode, pn;
10196 if (gameMode == Training )
10197 SetTrainingModeOff();
10199 if (gameMode != BeginningOfGame) {
10200 Reset(FALSE, TRUE);
10202 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
10203 fclose(lastLoadPositionFP);
10205 if (positionNumber == 0) positionNumber = 1;
10206 lastLoadPositionFP = f;
10207 lastLoadPositionNumber = positionNumber;
10208 strcpy(lastLoadPositionTitle, title);
10209 if (first.pr == NoProc) {
10210 StartChessProgram(&first);
10211 InitChessProgram(&first, FALSE);
10213 pn = positionNumber;
10214 if (positionNumber < 0) {
10215 /* Negative position number means to seek to that byte offset */
10216 if (fseek(f, -positionNumber, 0) == -1) {
10217 DisplayError(_("Can't seek on position file"), 0);
10222 if (fseek(f, 0, 0) == -1) {
10223 if (f == lastLoadPositionFP ?
10224 positionNumber == lastLoadPositionNumber + 1 :
10225 positionNumber == 1) {
10228 DisplayError(_("Can't seek on position file"), 0);
10233 /* See if this file is FEN or old-style xboard */
10234 if (fgets(line, MSG_SIZ, f) == NULL) {
10235 DisplayError(_("Position not found in file"), 0);
10238 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
10239 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
10242 if (fenMode || line[0] == '#') pn--;
10244 /* skip positions before number pn */
10245 if (fgets(line, MSG_SIZ, f) == NULL) {
10247 DisplayError(_("Position not found in file"), 0);
10250 if (fenMode || line[0] == '#') pn--;
10255 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
10256 DisplayError(_("Bad FEN position in file"), 0);
10260 (void) fgets(line, MSG_SIZ, f);
10261 (void) fgets(line, MSG_SIZ, f);
10263 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
10264 (void) fgets(line, MSG_SIZ, f);
10265 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
10268 initial_position[i][j++] = CharToPiece(*p);
10272 blackPlaysFirst = FALSE;
10274 (void) fgets(line, MSG_SIZ, f);
10275 if (strncmp(line, "black", strlen("black"))==0)
10276 blackPlaysFirst = TRUE;
10279 startedFromSetupPosition = TRUE;
10281 SendToProgram("force\n", &first);
10282 CopyBoard(boards[0], initial_position);
10283 if (blackPlaysFirst) {
10284 currentMove = forwardMostMove = backwardMostMove = 1;
10285 strcpy(moveList[0], "");
10286 strcpy(parseList[0], "");
10287 CopyBoard(boards[1], initial_position);
10288 DisplayMessage("", _("Black to play"));
10290 currentMove = forwardMostMove = backwardMostMove = 0;
10291 DisplayMessage("", _("White to play"));
10293 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
10294 SendBoard(&first, forwardMostMove);
10295 if (appData.debugMode) {
10297 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
10298 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
10299 fprintf(debugFP, "Load Position\n");
10302 if (positionNumber > 1) {
10303 sprintf(line, "%s %d", title, positionNumber);
10304 DisplayTitle(line);
10306 DisplayTitle(title);
10308 gameMode = EditGame;
10311 timeRemaining[0][1] = whiteTimeRemaining;
10312 timeRemaining[1][1] = blackTimeRemaining;
10313 DrawPosition(FALSE, boards[currentMove]);
10320 CopyPlayerNameIntoFileName(dest, src)
10323 while (*src != NULLCHAR && *src != ',') {
10328 *(*dest)++ = *src++;
10333 char *DefaultFileName(ext)
10336 static char def[MSG_SIZ];
10339 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
10341 CopyPlayerNameIntoFileName(&p, gameInfo.white);
10343 CopyPlayerNameIntoFileName(&p, gameInfo.black);
10352 /* Save the current game to the given file */
10354 SaveGameToFile(filename, append)
10361 if (strcmp(filename, "-") == 0) {
10362 return SaveGame(stdout, 0, NULL);
10364 f = fopen(filename, append ? "a" : "w");
10366 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10367 DisplayError(buf, errno);
10370 return SaveGame(f, 0, NULL);
10379 static char buf[MSG_SIZ];
10382 p = strchr(str, ' ');
10383 if (p == NULL) return str;
10384 strncpy(buf, str, p - str);
10385 buf[p - str] = NULLCHAR;
10389 #define PGN_MAX_LINE 75
10391 #define PGN_SIDE_WHITE 0
10392 #define PGN_SIDE_BLACK 1
10395 static int FindFirstMoveOutOfBook( int side )
10399 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
10400 int index = backwardMostMove;
10401 int has_book_hit = 0;
10403 if( (index % 2) != side ) {
10407 while( index < forwardMostMove ) {
10408 /* Check to see if engine is in book */
10409 int depth = pvInfoList[index].depth;
10410 int score = pvInfoList[index].score;
10416 else if( score == 0 && depth == 63 ) {
10417 in_book = 1; /* Zappa */
10419 else if( score == 2 && depth == 99 ) {
10420 in_book = 1; /* Abrok */
10423 has_book_hit += in_book;
10439 void GetOutOfBookInfo( char * buf )
10443 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10445 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
10446 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
10450 if( oob[0] >= 0 || oob[1] >= 0 ) {
10451 for( i=0; i<2; i++ ) {
10455 if( i > 0 && oob[0] >= 0 ) {
10456 strcat( buf, " " );
10459 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
10460 sprintf( buf+strlen(buf), "%s%.2f",
10461 pvInfoList[idx].score >= 0 ? "+" : "",
10462 pvInfoList[idx].score / 100.0 );
10468 /* Save game in PGN style and close the file */
10473 int i, offset, linelen, newblock;
10477 int movelen, numlen, blank;
10478 char move_buffer[100]; /* [AS] Buffer for move+PV info */
10480 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10482 tm = time((time_t *) NULL);
10484 PrintPGNTags(f, &gameInfo);
10486 if (backwardMostMove > 0 || startedFromSetupPosition) {
10487 char *fen = PositionToFEN(backwardMostMove, NULL);
10488 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
10489 fprintf(f, "\n{--------------\n");
10490 PrintPosition(f, backwardMostMove);
10491 fprintf(f, "--------------}\n");
10495 /* [AS] Out of book annotation */
10496 if( appData.saveOutOfBookInfo ) {
10499 GetOutOfBookInfo( buf );
10501 if( buf[0] != '\0' ) {
10502 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
10509 i = backwardMostMove;
10513 while (i < forwardMostMove) {
10514 /* Print comments preceding this move */
10515 if (commentList[i] != NULL) {
10516 if (linelen > 0) fprintf(f, "\n");
10517 fprintf(f, "%s", commentList[i]);
10522 /* Format move number */
10523 if ((i % 2) == 0) {
10524 sprintf(numtext, "%d.", (i - offset)/2 + 1);
10527 sprintf(numtext, "%d...", (i - offset)/2 + 1);
10529 numtext[0] = NULLCHAR;
10532 numlen = strlen(numtext);
10535 /* Print move number */
10536 blank = linelen > 0 && numlen > 0;
10537 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
10546 fprintf(f, "%s", numtext);
10550 strcpy(move_buffer, SavePart(parseList[i])); // [HGM] pgn: print move via buffer, so it can be edited
10551 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
10554 blank = linelen > 0 && movelen > 0;
10555 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10564 fprintf(f, "%s", move_buffer);
10565 linelen += movelen;
10567 /* [AS] Add PV info if present */
10568 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
10569 /* [HGM] add time */
10570 char buf[MSG_SIZ]; int seconds;
10572 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
10574 if( seconds <= 0) buf[0] = 0; else
10575 if( seconds < 30 ) sprintf(buf, " %3.1f%c", seconds/10., 0); else {
10576 seconds = (seconds + 4)/10; // round to full seconds
10577 if( seconds < 60 ) sprintf(buf, " %d%c", seconds, 0); else
10578 sprintf(buf, " %d:%02d%c", seconds/60, seconds%60, 0);
10581 sprintf( move_buffer, "{%s%.2f/%d%s}",
10582 pvInfoList[i].score >= 0 ? "+" : "",
10583 pvInfoList[i].score / 100.0,
10584 pvInfoList[i].depth,
10587 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
10589 /* Print score/depth */
10590 blank = linelen > 0 && movelen > 0;
10591 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10600 fprintf(f, "%s", move_buffer);
10601 linelen += movelen;
10607 /* Start a new line */
10608 if (linelen > 0) fprintf(f, "\n");
10610 /* Print comments after last move */
10611 if (commentList[i] != NULL) {
10612 fprintf(f, "%s\n", commentList[i]);
10616 if (gameInfo.resultDetails != NULL &&
10617 gameInfo.resultDetails[0] != NULLCHAR) {
10618 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
10619 PGNResult(gameInfo.result));
10621 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10625 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10629 /* Save game in old style and close the file */
10631 SaveGameOldStyle(f)
10637 tm = time((time_t *) NULL);
10639 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
10642 if (backwardMostMove > 0 || startedFromSetupPosition) {
10643 fprintf(f, "\n[--------------\n");
10644 PrintPosition(f, backwardMostMove);
10645 fprintf(f, "--------------]\n");
10650 i = backwardMostMove;
10651 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10653 while (i < forwardMostMove) {
10654 if (commentList[i] != NULL) {
10655 fprintf(f, "[%s]\n", commentList[i]);
10658 if ((i % 2) == 1) {
10659 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
10662 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
10664 if (commentList[i] != NULL) {
10668 if (i >= forwardMostMove) {
10672 fprintf(f, "%s\n", parseList[i]);
10677 if (commentList[i] != NULL) {
10678 fprintf(f, "[%s]\n", commentList[i]);
10681 /* This isn't really the old style, but it's close enough */
10682 if (gameInfo.resultDetails != NULL &&
10683 gameInfo.resultDetails[0] != NULLCHAR) {
10684 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
10685 gameInfo.resultDetails);
10687 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10694 /* Save the current game to open file f and close the file */
10696 SaveGame(f, dummy, dummy2)
10701 if (gameMode == EditPosition) EditPositionDone(TRUE);
10702 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10703 if (appData.oldSaveStyle)
10704 return SaveGameOldStyle(f);
10706 return SaveGamePGN(f);
10709 /* Save the current position to the given file */
10711 SavePositionToFile(filename)
10717 if (strcmp(filename, "-") == 0) {
10718 return SavePosition(stdout, 0, NULL);
10720 f = fopen(filename, "a");
10722 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10723 DisplayError(buf, errno);
10726 SavePosition(f, 0, NULL);
10732 /* Save the current position to the given open file and close the file */
10734 SavePosition(f, dummy, dummy2)
10742 if (gameMode == EditPosition) EditPositionDone(TRUE);
10743 if (appData.oldSaveStyle) {
10744 tm = time((time_t *) NULL);
10746 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
10748 fprintf(f, "[--------------\n");
10749 PrintPosition(f, currentMove);
10750 fprintf(f, "--------------]\n");
10752 fen = PositionToFEN(currentMove, NULL);
10753 fprintf(f, "%s\n", fen);
10761 ReloadCmailMsgEvent(unregister)
10765 static char *inFilename = NULL;
10766 static char *outFilename;
10768 struct stat inbuf, outbuf;
10771 /* Any registered moves are unregistered if unregister is set, */
10772 /* i.e. invoked by the signal handler */
10774 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
10775 cmailMoveRegistered[i] = FALSE;
10776 if (cmailCommentList[i] != NULL) {
10777 free(cmailCommentList[i]);
10778 cmailCommentList[i] = NULL;
10781 nCmailMovesRegistered = 0;
10784 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
10785 cmailResult[i] = CMAIL_NOT_RESULT;
10789 if (inFilename == NULL) {
10790 /* Because the filenames are static they only get malloced once */
10791 /* and they never get freed */
10792 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
10793 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
10795 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
10796 sprintf(outFilename, "%s.out", appData.cmailGameName);
10799 status = stat(outFilename, &outbuf);
10801 cmailMailedMove = FALSE;
10803 status = stat(inFilename, &inbuf);
10804 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
10807 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
10808 counts the games, notes how each one terminated, etc.
10810 It would be nice to remove this kludge and instead gather all
10811 the information while building the game list. (And to keep it
10812 in the game list nodes instead of having a bunch of fixed-size
10813 parallel arrays.) Note this will require getting each game's
10814 termination from the PGN tags, as the game list builder does
10815 not process the game moves. --mann
10817 cmailMsgLoaded = TRUE;
10818 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
10820 /* Load first game in the file or popup game menu */
10821 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
10823 #endif /* !WIN32 */
10831 char string[MSG_SIZ];
10833 if ( cmailMailedMove
10834 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
10835 return TRUE; /* Allow free viewing */
10838 /* Unregister move to ensure that we don't leave RegisterMove */
10839 /* with the move registered when the conditions for registering no */
10841 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10842 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
10843 nCmailMovesRegistered --;
10845 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
10847 free(cmailCommentList[lastLoadGameNumber - 1]);
10848 cmailCommentList[lastLoadGameNumber - 1] = NULL;
10852 if (cmailOldMove == -1) {
10853 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
10857 if (currentMove > cmailOldMove + 1) {
10858 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
10862 if (currentMove < cmailOldMove) {
10863 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
10867 if (forwardMostMove > currentMove) {
10868 /* Silently truncate extra moves */
10872 if ( (currentMove == cmailOldMove + 1)
10873 || ( (currentMove == cmailOldMove)
10874 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
10875 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
10876 if (gameInfo.result != GameUnfinished) {
10877 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
10880 if (commentList[currentMove] != NULL) {
10881 cmailCommentList[lastLoadGameNumber - 1]
10882 = StrSave(commentList[currentMove]);
10884 strcpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1]);
10886 if (appData.debugMode)
10887 fprintf(debugFP, "Saving %s for game %d\n",
10888 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
10891 "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
10893 f = fopen(string, "w");
10894 if (appData.oldSaveStyle) {
10895 SaveGameOldStyle(f); /* also closes the file */
10897 sprintf(string, "%s.pos.out", appData.cmailGameName);
10898 f = fopen(string, "w");
10899 SavePosition(f, 0, NULL); /* also closes the file */
10901 fprintf(f, "{--------------\n");
10902 PrintPosition(f, currentMove);
10903 fprintf(f, "--------------}\n\n");
10905 SaveGame(f, 0, NULL); /* also closes the file*/
10908 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
10909 nCmailMovesRegistered ++;
10910 } else if (nCmailGames == 1) {
10911 DisplayError(_("You have not made a move yet"), 0);
10922 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
10923 FILE *commandOutput;
10924 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
10925 int nBytes = 0; /* Suppress warnings on uninitialized variables */
10931 if (! cmailMsgLoaded) {
10932 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
10936 if (nCmailGames == nCmailResults) {
10937 DisplayError(_("No unfinished games"), 0);
10941 #if CMAIL_PROHIBIT_REMAIL
10942 if (cmailMailedMove) {
10943 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);
10944 DisplayError(msg, 0);
10949 if (! (cmailMailedMove || RegisterMove())) return;
10951 if ( cmailMailedMove
10952 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
10953 sprintf(string, partCommandString,
10954 appData.debugMode ? " -v" : "", appData.cmailGameName);
10955 commandOutput = popen(string, "r");
10957 if (commandOutput == NULL) {
10958 DisplayError(_("Failed to invoke cmail"), 0);
10960 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
10961 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
10963 if (nBuffers > 1) {
10964 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
10965 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
10966 nBytes = MSG_SIZ - 1;
10968 (void) memcpy(msg, buffer, nBytes);
10970 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
10972 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
10973 cmailMailedMove = TRUE; /* Prevent >1 moves */
10976 for (i = 0; i < nCmailGames; i ++) {
10977 if (cmailResult[i] == CMAIL_NOT_RESULT) {
10982 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
10984 sprintf(buffer, "%s/%s.%s.archive",
10986 appData.cmailGameName,
10988 LoadGameFromFile(buffer, 1, buffer, FALSE);
10989 cmailMsgLoaded = FALSE;
10993 DisplayInformation(msg);
10994 pclose(commandOutput);
10997 if ((*cmailMsg) != '\0') {
10998 DisplayInformation(cmailMsg);
11003 #endif /* !WIN32 */
11012 int prependComma = 0;
11014 char string[MSG_SIZ]; /* Space for game-list */
11017 if (!cmailMsgLoaded) return "";
11019 if (cmailMailedMove) {
11020 sprintf(cmailMsg, _("Waiting for reply from opponent\n"));
11022 /* Create a list of games left */
11023 sprintf(string, "[");
11024 for (i = 0; i < nCmailGames; i ++) {
11025 if (! ( cmailMoveRegistered[i]
11026 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
11027 if (prependComma) {
11028 sprintf(number, ",%d", i + 1);
11030 sprintf(number, "%d", i + 1);
11034 strcat(string, number);
11037 strcat(string, "]");
11039 if (nCmailMovesRegistered + nCmailResults == 0) {
11040 switch (nCmailGames) {
11043 _("Still need to make move for game\n"));
11048 _("Still need to make moves for both games\n"));
11053 _("Still need to make moves for all %d games\n"),
11058 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
11061 _("Still need to make a move for game %s\n"),
11066 if (nCmailResults == nCmailGames) {
11067 sprintf(cmailMsg, _("No unfinished games\n"));
11069 sprintf(cmailMsg, _("Ready to send mail\n"));
11075 _("Still need to make moves for games %s\n"),
11087 if (gameMode == Training)
11088 SetTrainingModeOff();
11091 cmailMsgLoaded = FALSE;
11092 if (appData.icsActive) {
11093 SendToICS(ics_prefix);
11094 SendToICS("refresh\n");
11104 /* Give up on clean exit */
11108 /* Keep trying for clean exit */
11112 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
11114 if (telnetISR != NULL) {
11115 RemoveInputSource(telnetISR);
11117 if (icsPR != NoProc) {
11118 DestroyChildProcess(icsPR, TRUE);
11121 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
11122 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
11124 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
11125 /* make sure this other one finishes before killing it! */
11126 if(endingGame) { int count = 0;
11127 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
11128 while(endingGame && count++ < 10) DoSleep(1);
11129 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
11132 /* Kill off chess programs */
11133 if (first.pr != NoProc) {
11136 DoSleep( appData.delayBeforeQuit );
11137 SendToProgram("quit\n", &first);
11138 DoSleep( appData.delayAfterQuit );
11139 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
11141 if (second.pr != NoProc) {
11142 DoSleep( appData.delayBeforeQuit );
11143 SendToProgram("quit\n", &second);
11144 DoSleep( appData.delayAfterQuit );
11145 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
11147 if (first.isr != NULL) {
11148 RemoveInputSource(first.isr);
11150 if (second.isr != NULL) {
11151 RemoveInputSource(second.isr);
11154 ShutDownFrontEnd();
11161 if (appData.debugMode)
11162 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
11166 if (gameMode == MachinePlaysWhite ||
11167 gameMode == MachinePlaysBlack) {
11170 DisplayBothClocks();
11172 if (gameMode == PlayFromGameFile) {
11173 if (appData.timeDelay >= 0)
11174 AutoPlayGameLoop();
11175 } else if (gameMode == IcsExamining && pauseExamInvalid) {
11176 Reset(FALSE, TRUE);
11177 SendToICS(ics_prefix);
11178 SendToICS("refresh\n");
11179 } else if (currentMove < forwardMostMove) {
11180 ForwardInner(forwardMostMove);
11182 pauseExamInvalid = FALSE;
11184 switch (gameMode) {
11188 pauseExamForwardMostMove = forwardMostMove;
11189 pauseExamInvalid = FALSE;
11192 case IcsPlayingWhite:
11193 case IcsPlayingBlack:
11197 case PlayFromGameFile:
11198 (void) StopLoadGameTimer();
11202 case BeginningOfGame:
11203 if (appData.icsActive) return;
11204 /* else fall through */
11205 case MachinePlaysWhite:
11206 case MachinePlaysBlack:
11207 case TwoMachinesPlay:
11208 if (forwardMostMove == 0)
11209 return; /* don't pause if no one has moved */
11210 if ((gameMode == MachinePlaysWhite &&
11211 !WhiteOnMove(forwardMostMove)) ||
11212 (gameMode == MachinePlaysBlack &&
11213 WhiteOnMove(forwardMostMove))) {
11226 char title[MSG_SIZ];
11228 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
11229 strcpy(title, _("Edit comment"));
11231 sprintf(title, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
11232 WhiteOnMove(currentMove - 1) ? " " : ".. ",
11233 parseList[currentMove - 1]);
11236 EditCommentPopUp(currentMove, title, commentList[currentMove]);
11243 char *tags = PGNTags(&gameInfo);
11244 EditTagsPopUp(tags);
11251 if (appData.noChessProgram || gameMode == AnalyzeMode)
11254 if (gameMode != AnalyzeFile) {
11255 if (!appData.icsEngineAnalyze) {
11257 if (gameMode != EditGame) return;
11259 ResurrectChessProgram();
11260 SendToProgram("analyze\n", &first);
11261 first.analyzing = TRUE;
11262 /*first.maybeThinking = TRUE;*/
11263 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11264 EngineOutputPopUp();
11266 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
11271 StartAnalysisClock();
11272 GetTimeMark(&lastNodeCountTime);
11279 if (appData.noChessProgram || gameMode == AnalyzeFile)
11282 if (gameMode != AnalyzeMode) {
11284 if (gameMode != EditGame) return;
11285 ResurrectChessProgram();
11286 SendToProgram("analyze\n", &first);
11287 first.analyzing = TRUE;
11288 /*first.maybeThinking = TRUE;*/
11289 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11290 EngineOutputPopUp();
11292 gameMode = AnalyzeFile;
11297 StartAnalysisClock();
11298 GetTimeMark(&lastNodeCountTime);
11303 MachineWhiteEvent()
11306 char *bookHit = NULL;
11308 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
11312 if (gameMode == PlayFromGameFile ||
11313 gameMode == TwoMachinesPlay ||
11314 gameMode == Training ||
11315 gameMode == AnalyzeMode ||
11316 gameMode == EndOfGame)
11319 if (gameMode == EditPosition)
11320 EditPositionDone(TRUE);
11322 if (!WhiteOnMove(currentMove)) {
11323 DisplayError(_("It is not White's turn"), 0);
11327 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11330 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11331 gameMode == AnalyzeFile)
11334 ResurrectChessProgram(); /* in case it isn't running */
11335 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
11336 gameMode = MachinePlaysWhite;
11339 gameMode = MachinePlaysWhite;
11343 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11345 if (first.sendName) {
11346 sprintf(buf, "name %s\n", gameInfo.black);
11347 SendToProgram(buf, &first);
11349 if (first.sendTime) {
11350 if (first.useColors) {
11351 SendToProgram("black\n", &first); /*gnu kludge*/
11353 SendTimeRemaining(&first, TRUE);
11355 if (first.useColors) {
11356 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
11358 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11359 SetMachineThinkingEnables();
11360 first.maybeThinking = TRUE;
11364 if (appData.autoFlipView && !flipView) {
11365 flipView = !flipView;
11366 DrawPosition(FALSE, NULL);
11367 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11370 if(bookHit) { // [HGM] book: simulate book reply
11371 static char bookMove[MSG_SIZ]; // a bit generous?
11373 programStats.nodes = programStats.depth = programStats.time =
11374 programStats.score = programStats.got_only_move = 0;
11375 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11377 strcpy(bookMove, "move ");
11378 strcat(bookMove, bookHit);
11379 HandleMachineMove(bookMove, &first);
11384 MachineBlackEvent()
11387 char *bookHit = NULL;
11389 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
11393 if (gameMode == PlayFromGameFile ||
11394 gameMode == TwoMachinesPlay ||
11395 gameMode == Training ||
11396 gameMode == AnalyzeMode ||
11397 gameMode == EndOfGame)
11400 if (gameMode == EditPosition)
11401 EditPositionDone(TRUE);
11403 if (WhiteOnMove(currentMove)) {
11404 DisplayError(_("It is not Black's turn"), 0);
11408 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11411 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11412 gameMode == AnalyzeFile)
11415 ResurrectChessProgram(); /* in case it isn't running */
11416 gameMode = MachinePlaysBlack;
11420 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11422 if (first.sendName) {
11423 sprintf(buf, "name %s\n", gameInfo.white);
11424 SendToProgram(buf, &first);
11426 if (first.sendTime) {
11427 if (first.useColors) {
11428 SendToProgram("white\n", &first); /*gnu kludge*/
11430 SendTimeRemaining(&first, FALSE);
11432 if (first.useColors) {
11433 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
11435 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11436 SetMachineThinkingEnables();
11437 first.maybeThinking = TRUE;
11440 if (appData.autoFlipView && flipView) {
11441 flipView = !flipView;
11442 DrawPosition(FALSE, NULL);
11443 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11445 if(bookHit) { // [HGM] book: simulate book reply
11446 static char bookMove[MSG_SIZ]; // a bit generous?
11448 programStats.nodes = programStats.depth = programStats.time =
11449 programStats.score = programStats.got_only_move = 0;
11450 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11452 strcpy(bookMove, "move ");
11453 strcat(bookMove, bookHit);
11454 HandleMachineMove(bookMove, &first);
11460 DisplayTwoMachinesTitle()
11463 if (appData.matchGames > 0) {
11464 if (first.twoMachinesColor[0] == 'w') {
11465 sprintf(buf, "%s vs. %s (%d-%d-%d)",
11466 gameInfo.white, gameInfo.black,
11467 first.matchWins, second.matchWins,
11468 matchGame - 1 - (first.matchWins + second.matchWins));
11470 sprintf(buf, "%s vs. %s (%d-%d-%d)",
11471 gameInfo.white, gameInfo.black,
11472 second.matchWins, first.matchWins,
11473 matchGame - 1 - (first.matchWins + second.matchWins));
11476 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11482 TwoMachinesEvent P((void))
11486 ChessProgramState *onmove;
11487 char *bookHit = NULL;
11489 if (appData.noChessProgram) return;
11491 switch (gameMode) {
11492 case TwoMachinesPlay:
11494 case MachinePlaysWhite:
11495 case MachinePlaysBlack:
11496 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11497 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11501 case BeginningOfGame:
11502 case PlayFromGameFile:
11505 if (gameMode != EditGame) return;
11508 EditPositionDone(TRUE);
11519 // forwardMostMove = currentMove;
11520 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
11521 ResurrectChessProgram(); /* in case first program isn't running */
11523 if (second.pr == NULL) {
11524 StartChessProgram(&second);
11525 if (second.protocolVersion == 1) {
11526 TwoMachinesEventIfReady();
11528 /* kludge: allow timeout for initial "feature" command */
11530 DisplayMessage("", _("Starting second chess program"));
11531 ScheduleDelayedEvent(TwoMachinesEventIfReady, FEATURE_TIMEOUT);
11535 DisplayMessage("", "");
11536 InitChessProgram(&second, FALSE);
11537 SendToProgram("force\n", &second);
11538 if (startedFromSetupPosition) {
11539 SendBoard(&second, backwardMostMove);
11540 if (appData.debugMode) {
11541 fprintf(debugFP, "Two Machines\n");
11544 for (i = backwardMostMove; i < forwardMostMove; i++) {
11545 SendMoveToProgram(i, &second);
11548 gameMode = TwoMachinesPlay;
11552 DisplayTwoMachinesTitle();
11554 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
11560 SendToProgram(first.computerString, &first);
11561 if (first.sendName) {
11562 sprintf(buf, "name %s\n", second.tidy);
11563 SendToProgram(buf, &first);
11565 SendToProgram(second.computerString, &second);
11566 if (second.sendName) {
11567 sprintf(buf, "name %s\n", first.tidy);
11568 SendToProgram(buf, &second);
11572 if (!first.sendTime || !second.sendTime) {
11573 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11574 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11576 if (onmove->sendTime) {
11577 if (onmove->useColors) {
11578 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
11580 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
11582 if (onmove->useColors) {
11583 SendToProgram(onmove->twoMachinesColor, onmove);
11585 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
11586 // SendToProgram("go\n", onmove);
11587 onmove->maybeThinking = TRUE;
11588 SetMachineThinkingEnables();
11592 if(bookHit) { // [HGM] book: simulate book reply
11593 static char bookMove[MSG_SIZ]; // a bit generous?
11595 programStats.nodes = programStats.depth = programStats.time =
11596 programStats.score = programStats.got_only_move = 0;
11597 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11599 strcpy(bookMove, "move ");
11600 strcat(bookMove, bookHit);
11601 savedMessage = bookMove; // args for deferred call
11602 savedState = onmove;
11603 ScheduleDelayedEvent(DeferredBookMove, 1);
11610 if (gameMode == Training) {
11611 SetTrainingModeOff();
11612 gameMode = PlayFromGameFile;
11613 DisplayMessage("", _("Training mode off"));
11615 gameMode = Training;
11616 animateTraining = appData.animate;
11618 /* make sure we are not already at the end of the game */
11619 if (currentMove < forwardMostMove) {
11620 SetTrainingModeOn();
11621 DisplayMessage("", _("Training mode on"));
11623 gameMode = PlayFromGameFile;
11624 DisplayError(_("Already at end of game"), 0);
11633 if (!appData.icsActive) return;
11634 switch (gameMode) {
11635 case IcsPlayingWhite:
11636 case IcsPlayingBlack:
11639 case BeginningOfGame:
11647 EditPositionDone(TRUE);
11660 gameMode = IcsIdle;
11671 switch (gameMode) {
11673 SetTrainingModeOff();
11675 case MachinePlaysWhite:
11676 case MachinePlaysBlack:
11677 case BeginningOfGame:
11678 SendToProgram("force\n", &first);
11679 SetUserThinkingEnables();
11681 case PlayFromGameFile:
11682 (void) StopLoadGameTimer();
11683 if (gameFileFP != NULL) {
11688 EditPositionDone(TRUE);
11693 SendToProgram("force\n", &first);
11695 case TwoMachinesPlay:
11696 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
11697 ResurrectChessProgram();
11698 SetUserThinkingEnables();
11701 ResurrectChessProgram();
11703 case IcsPlayingBlack:
11704 case IcsPlayingWhite:
11705 DisplayError(_("Warning: You are still playing a game"), 0);
11708 DisplayError(_("Warning: You are still observing a game"), 0);
11711 DisplayError(_("Warning: You are still examining a game"), 0);
11722 first.offeredDraw = second.offeredDraw = 0;
11724 if (gameMode == PlayFromGameFile) {
11725 whiteTimeRemaining = timeRemaining[0][currentMove];
11726 blackTimeRemaining = timeRemaining[1][currentMove];
11730 if (gameMode == MachinePlaysWhite ||
11731 gameMode == MachinePlaysBlack ||
11732 gameMode == TwoMachinesPlay ||
11733 gameMode == EndOfGame) {
11734 i = forwardMostMove;
11735 while (i > currentMove) {
11736 SendToProgram("undo\n", &first);
11739 whiteTimeRemaining = timeRemaining[0][currentMove];
11740 blackTimeRemaining = timeRemaining[1][currentMove];
11741 DisplayBothClocks();
11742 if (whiteFlag || blackFlag) {
11743 whiteFlag = blackFlag = 0;
11748 gameMode = EditGame;
11755 EditPositionEvent()
11757 if (gameMode == EditPosition) {
11763 if (gameMode != EditGame) return;
11765 gameMode = EditPosition;
11768 if (currentMove > 0)
11769 CopyBoard(boards[0], boards[currentMove]);
11771 blackPlaysFirst = !WhiteOnMove(currentMove);
11773 currentMove = forwardMostMove = backwardMostMove = 0;
11774 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11781 /* [DM] icsEngineAnalyze - possible call from other functions */
11782 if (appData.icsEngineAnalyze) {
11783 appData.icsEngineAnalyze = FALSE;
11785 DisplayMessage("",_("Close ICS engine analyze..."));
11787 if (first.analysisSupport && first.analyzing) {
11788 SendToProgram("exit\n", &first);
11789 first.analyzing = FALSE;
11791 thinkOutput[0] = NULLCHAR;
11795 EditPositionDone(Boolean fakeRights)
11797 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
11799 startedFromSetupPosition = TRUE;
11800 InitChessProgram(&first, FALSE);
11801 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
11802 boards[0][EP_STATUS] = EP_NONE;
11803 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
11804 if(boards[0][0][BOARD_WIDTH>>1] == king) {
11805 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
11806 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
11807 } else boards[0][CASTLING][2] = NoRights;
11808 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
11809 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
11810 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
11811 } else boards[0][CASTLING][5] = NoRights;
11813 SendToProgram("force\n", &first);
11814 if (blackPlaysFirst) {
11815 strcpy(moveList[0], "");
11816 strcpy(parseList[0], "");
11817 currentMove = forwardMostMove = backwardMostMove = 1;
11818 CopyBoard(boards[1], boards[0]);
11820 currentMove = forwardMostMove = backwardMostMove = 0;
11822 SendBoard(&first, forwardMostMove);
11823 if (appData.debugMode) {
11824 fprintf(debugFP, "EditPosDone\n");
11827 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11828 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11829 gameMode = EditGame;
11831 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11832 ClearHighlights(); /* [AS] */
11835 /* Pause for `ms' milliseconds */
11836 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
11846 } while (SubtractTimeMarks(&m2, &m1) < ms);
11849 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
11851 SendMultiLineToICS(buf)
11854 char temp[MSG_SIZ+1], *p;
11861 strncpy(temp, buf, len);
11866 if (*p == '\n' || *p == '\r')
11871 strcat(temp, "\n");
11873 SendToPlayer(temp, strlen(temp));
11877 SetWhiteToPlayEvent()
11879 if (gameMode == EditPosition) {
11880 blackPlaysFirst = FALSE;
11881 DisplayBothClocks(); /* works because currentMove is 0 */
11882 } else if (gameMode == IcsExamining) {
11883 SendToICS(ics_prefix);
11884 SendToICS("tomove white\n");
11889 SetBlackToPlayEvent()
11891 if (gameMode == EditPosition) {
11892 blackPlaysFirst = TRUE;
11893 currentMove = 1; /* kludge */
11894 DisplayBothClocks();
11896 } else if (gameMode == IcsExamining) {
11897 SendToICS(ics_prefix);
11898 SendToICS("tomove black\n");
11903 EditPositionMenuEvent(selection, x, y)
11904 ChessSquare selection;
11908 ChessSquare piece = boards[0][y][x];
11910 if (gameMode != EditPosition && gameMode != IcsExamining) return;
11912 switch (selection) {
11914 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
11915 SendToICS(ics_prefix);
11916 SendToICS("bsetup clear\n");
11917 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
11918 SendToICS(ics_prefix);
11919 SendToICS("clearboard\n");
11921 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
11922 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
11923 for (y = 0; y < BOARD_HEIGHT; y++) {
11924 if (gameMode == IcsExamining) {
11925 if (boards[currentMove][y][x] != EmptySquare) {
11926 sprintf(buf, "%sx@%c%c\n", ics_prefix,
11931 boards[0][y][x] = p;
11936 if (gameMode == EditPosition) {
11937 DrawPosition(FALSE, boards[0]);
11942 SetWhiteToPlayEvent();
11946 SetBlackToPlayEvent();
11950 if (gameMode == IcsExamining) {
11951 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
11952 sprintf(buf, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
11955 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
11956 if(x == BOARD_LEFT-2) {
11957 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
11958 boards[0][y][1] = 0;
11960 if(x == BOARD_RGHT+1) {
11961 if(y >= gameInfo.holdingsSize) break;
11962 boards[0][y][BOARD_WIDTH-2] = 0;
11965 boards[0][y][x] = EmptySquare;
11966 DrawPosition(FALSE, boards[0]);
11971 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
11972 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
11973 selection = (ChessSquare) (PROMOTED piece);
11974 } else if(piece == EmptySquare) selection = WhiteSilver;
11975 else selection = (ChessSquare)((int)piece - 1);
11979 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
11980 piece > (int)BlackMan && piece <= (int)BlackKing ) {
11981 selection = (ChessSquare) (DEMOTED piece);
11982 } else if(piece == EmptySquare) selection = BlackSilver;
11983 else selection = (ChessSquare)((int)piece + 1);
11988 if(gameInfo.variant == VariantShatranj ||
11989 gameInfo.variant == VariantXiangqi ||
11990 gameInfo.variant == VariantCourier ||
11991 gameInfo.variant == VariantMakruk )
11992 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
11997 if(gameInfo.variant == VariantXiangqi)
11998 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
11999 if(gameInfo.variant == VariantKnightmate)
12000 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
12003 if (gameMode == IcsExamining) {
12004 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12005 sprintf(buf, "%s%c@%c%c\n", ics_prefix,
12006 PieceToChar(selection), AAA + x, ONE + y);
12009 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12011 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
12012 n = PieceToNumber(selection - BlackPawn);
12013 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
12014 boards[0][BOARD_HEIGHT-1-n][0] = selection;
12015 boards[0][BOARD_HEIGHT-1-n][1]++;
12017 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
12018 n = PieceToNumber(selection);
12019 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
12020 boards[0][n][BOARD_WIDTH-1] = selection;
12021 boards[0][n][BOARD_WIDTH-2]++;
12024 boards[0][y][x] = selection;
12025 DrawPosition(TRUE, boards[0]);
12033 DropMenuEvent(selection, x, y)
12034 ChessSquare selection;
12037 ChessMove moveType;
12039 switch (gameMode) {
12040 case IcsPlayingWhite:
12041 case MachinePlaysBlack:
12042 if (!WhiteOnMove(currentMove)) {
12043 DisplayMoveError(_("It is Black's turn"));
12046 moveType = WhiteDrop;
12048 case IcsPlayingBlack:
12049 case MachinePlaysWhite:
12050 if (WhiteOnMove(currentMove)) {
12051 DisplayMoveError(_("It is White's turn"));
12054 moveType = BlackDrop;
12057 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
12063 if (moveType == BlackDrop && selection < BlackPawn) {
12064 selection = (ChessSquare) ((int) selection
12065 + (int) BlackPawn - (int) WhitePawn);
12067 if (boards[currentMove][y][x] != EmptySquare) {
12068 DisplayMoveError(_("That square is occupied"));
12072 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
12078 /* Accept a pending offer of any kind from opponent */
12080 if (appData.icsActive) {
12081 SendToICS(ics_prefix);
12082 SendToICS("accept\n");
12083 } else if (cmailMsgLoaded) {
12084 if (currentMove == cmailOldMove &&
12085 commentList[cmailOldMove] != NULL &&
12086 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12087 "Black offers a draw" : "White offers a draw")) {
12089 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12090 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12092 DisplayError(_("There is no pending offer on this move"), 0);
12093 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12096 /* Not used for offers from chess program */
12103 /* Decline a pending offer of any kind from opponent */
12105 if (appData.icsActive) {
12106 SendToICS(ics_prefix);
12107 SendToICS("decline\n");
12108 } else if (cmailMsgLoaded) {
12109 if (currentMove == cmailOldMove &&
12110 commentList[cmailOldMove] != NULL &&
12111 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12112 "Black offers a draw" : "White offers a draw")) {
12114 AppendComment(cmailOldMove, "Draw declined", TRUE);
12115 DisplayComment(cmailOldMove - 1, "Draw declined");
12118 DisplayError(_("There is no pending offer on this move"), 0);
12121 /* Not used for offers from chess program */
12128 /* Issue ICS rematch command */
12129 if (appData.icsActive) {
12130 SendToICS(ics_prefix);
12131 SendToICS("rematch\n");
12138 /* Call your opponent's flag (claim a win on time) */
12139 if (appData.icsActive) {
12140 SendToICS(ics_prefix);
12141 SendToICS("flag\n");
12143 switch (gameMode) {
12146 case MachinePlaysWhite:
12149 GameEnds(GameIsDrawn, "Both players ran out of time",
12152 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
12154 DisplayError(_("Your opponent is not out of time"), 0);
12157 case MachinePlaysBlack:
12160 GameEnds(GameIsDrawn, "Both players ran out of time",
12163 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
12165 DisplayError(_("Your opponent is not out of time"), 0);
12175 /* Offer draw or accept pending draw offer from opponent */
12177 if (appData.icsActive) {
12178 /* Note: tournament rules require draw offers to be
12179 made after you make your move but before you punch
12180 your clock. Currently ICS doesn't let you do that;
12181 instead, you immediately punch your clock after making
12182 a move, but you can offer a draw at any time. */
12184 SendToICS(ics_prefix);
12185 SendToICS("draw\n");
12186 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
12187 } else if (cmailMsgLoaded) {
12188 if (currentMove == cmailOldMove &&
12189 commentList[cmailOldMove] != NULL &&
12190 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12191 "Black offers a draw" : "White offers a draw")) {
12192 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12193 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12194 } else if (currentMove == cmailOldMove + 1) {
12195 char *offer = WhiteOnMove(cmailOldMove) ?
12196 "White offers a draw" : "Black offers a draw";
12197 AppendComment(currentMove, offer, TRUE);
12198 DisplayComment(currentMove - 1, offer);
12199 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
12201 DisplayError(_("You must make your move before offering a draw"), 0);
12202 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12204 } else if (first.offeredDraw) {
12205 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
12207 if (first.sendDrawOffers) {
12208 SendToProgram("draw\n", &first);
12209 userOfferedDraw = TRUE;
12217 /* Offer Adjourn or accept pending Adjourn offer from opponent */
12219 if (appData.icsActive) {
12220 SendToICS(ics_prefix);
12221 SendToICS("adjourn\n");
12223 /* Currently GNU Chess doesn't offer or accept Adjourns */
12231 /* Offer Abort or accept pending Abort offer from opponent */
12233 if (appData.icsActive) {
12234 SendToICS(ics_prefix);
12235 SendToICS("abort\n");
12237 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
12244 /* Resign. You can do this even if it's not your turn. */
12246 if (appData.icsActive) {
12247 SendToICS(ics_prefix);
12248 SendToICS("resign\n");
12250 switch (gameMode) {
12251 case MachinePlaysWhite:
12252 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12254 case MachinePlaysBlack:
12255 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12258 if (cmailMsgLoaded) {
12260 if (WhiteOnMove(cmailOldMove)) {
12261 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12263 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12265 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
12276 StopObservingEvent()
12278 /* Stop observing current games */
12279 SendToICS(ics_prefix);
12280 SendToICS("unobserve\n");
12284 StopExaminingEvent()
12286 /* Stop observing current game */
12287 SendToICS(ics_prefix);
12288 SendToICS("unexamine\n");
12292 ForwardInner(target)
12297 if (appData.debugMode)
12298 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
12299 target, currentMove, forwardMostMove);
12301 if (gameMode == EditPosition)
12304 if (gameMode == PlayFromGameFile && !pausing)
12307 if (gameMode == IcsExamining && pausing)
12308 limit = pauseExamForwardMostMove;
12310 limit = forwardMostMove;
12312 if (target > limit) target = limit;
12314 if (target > 0 && moveList[target - 1][0]) {
12315 int fromX, fromY, toX, toY;
12316 toX = moveList[target - 1][2] - AAA;
12317 toY = moveList[target - 1][3] - ONE;
12318 if (moveList[target - 1][1] == '@') {
12319 if (appData.highlightLastMove) {
12320 SetHighlights(-1, -1, toX, toY);
12323 fromX = moveList[target - 1][0] - AAA;
12324 fromY = moveList[target - 1][1] - ONE;
12325 if (target == currentMove + 1) {
12326 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12328 if (appData.highlightLastMove) {
12329 SetHighlights(fromX, fromY, toX, toY);
12333 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12334 gameMode == Training || gameMode == PlayFromGameFile ||
12335 gameMode == AnalyzeFile) {
12336 while (currentMove < target) {
12337 SendMoveToProgram(currentMove++, &first);
12340 currentMove = target;
12343 if (gameMode == EditGame || gameMode == EndOfGame) {
12344 whiteTimeRemaining = timeRemaining[0][currentMove];
12345 blackTimeRemaining = timeRemaining[1][currentMove];
12347 DisplayBothClocks();
12348 DisplayMove(currentMove - 1);
12349 DrawPosition(FALSE, boards[currentMove]);
12350 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12351 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
12352 DisplayComment(currentMove - 1, commentList[currentMove]);
12360 if (gameMode == IcsExamining && !pausing) {
12361 SendToICS(ics_prefix);
12362 SendToICS("forward\n");
12364 ForwardInner(currentMove + 1);
12371 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12372 /* to optimze, we temporarily turn off analysis mode while we feed
12373 * the remaining moves to the engine. Otherwise we get analysis output
12376 if (first.analysisSupport) {
12377 SendToProgram("exit\nforce\n", &first);
12378 first.analyzing = FALSE;
12382 if (gameMode == IcsExamining && !pausing) {
12383 SendToICS(ics_prefix);
12384 SendToICS("forward 999999\n");
12386 ForwardInner(forwardMostMove);
12389 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12390 /* we have fed all the moves, so reactivate analysis mode */
12391 SendToProgram("analyze\n", &first);
12392 first.analyzing = TRUE;
12393 /*first.maybeThinking = TRUE;*/
12394 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12399 BackwardInner(target)
12402 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
12404 if (appData.debugMode)
12405 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
12406 target, currentMove, forwardMostMove);
12408 if (gameMode == EditPosition) return;
12409 if (currentMove <= backwardMostMove) {
12411 DrawPosition(full_redraw, boards[currentMove]);
12414 if (gameMode == PlayFromGameFile && !pausing)
12417 if (moveList[target][0]) {
12418 int fromX, fromY, toX, toY;
12419 toX = moveList[target][2] - AAA;
12420 toY = moveList[target][3] - ONE;
12421 if (moveList[target][1] == '@') {
12422 if (appData.highlightLastMove) {
12423 SetHighlights(-1, -1, toX, toY);
12426 fromX = moveList[target][0] - AAA;
12427 fromY = moveList[target][1] - ONE;
12428 if (target == currentMove - 1) {
12429 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
12431 if (appData.highlightLastMove) {
12432 SetHighlights(fromX, fromY, toX, toY);
12436 if (gameMode == EditGame || gameMode==AnalyzeMode ||
12437 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
12438 while (currentMove > target) {
12439 SendToProgram("undo\n", &first);
12443 currentMove = target;
12446 if (gameMode == EditGame || gameMode == EndOfGame) {
12447 whiteTimeRemaining = timeRemaining[0][currentMove];
12448 blackTimeRemaining = timeRemaining[1][currentMove];
12450 DisplayBothClocks();
12451 DisplayMove(currentMove - 1);
12452 DrawPosition(full_redraw, boards[currentMove]);
12453 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12454 // [HGM] PV info: routine tests if comment empty
12455 DisplayComment(currentMove - 1, commentList[currentMove]);
12461 if (gameMode == IcsExamining && !pausing) {
12462 SendToICS(ics_prefix);
12463 SendToICS("backward\n");
12465 BackwardInner(currentMove - 1);
12472 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12473 /* to optimize, we temporarily turn off analysis mode while we undo
12474 * all the moves. Otherwise we get analysis output after each undo.
12476 if (first.analysisSupport) {
12477 SendToProgram("exit\nforce\n", &first);
12478 first.analyzing = FALSE;
12482 if (gameMode == IcsExamining && !pausing) {
12483 SendToICS(ics_prefix);
12484 SendToICS("backward 999999\n");
12486 BackwardInner(backwardMostMove);
12489 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12490 /* we have fed all the moves, so reactivate analysis mode */
12491 SendToProgram("analyze\n", &first);
12492 first.analyzing = TRUE;
12493 /*first.maybeThinking = TRUE;*/
12494 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12501 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
12502 if (to >= forwardMostMove) to = forwardMostMove;
12503 if (to <= backwardMostMove) to = backwardMostMove;
12504 if (to < currentMove) {
12514 if(PopTail(TRUE)) { // [HGM] vari: restore old game tail
12517 if (gameMode != IcsExamining) {
12518 DisplayError(_("You are not examining a game"), 0);
12522 DisplayError(_("You can't revert while pausing"), 0);
12525 SendToICS(ics_prefix);
12526 SendToICS("revert\n");
12532 switch (gameMode) {
12533 case MachinePlaysWhite:
12534 case MachinePlaysBlack:
12535 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12536 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12539 if (forwardMostMove < 2) return;
12540 currentMove = forwardMostMove = forwardMostMove - 2;
12541 whiteTimeRemaining = timeRemaining[0][currentMove];
12542 blackTimeRemaining = timeRemaining[1][currentMove];
12543 DisplayBothClocks();
12544 DisplayMove(currentMove - 1);
12545 ClearHighlights();/*!! could figure this out*/
12546 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
12547 SendToProgram("remove\n", &first);
12548 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
12551 case BeginningOfGame:
12555 case IcsPlayingWhite:
12556 case IcsPlayingBlack:
12557 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
12558 SendToICS(ics_prefix);
12559 SendToICS("takeback 2\n");
12561 SendToICS(ics_prefix);
12562 SendToICS("takeback 1\n");
12571 ChessProgramState *cps;
12573 switch (gameMode) {
12574 case MachinePlaysWhite:
12575 if (!WhiteOnMove(forwardMostMove)) {
12576 DisplayError(_("It is your turn"), 0);
12581 case MachinePlaysBlack:
12582 if (WhiteOnMove(forwardMostMove)) {
12583 DisplayError(_("It is your turn"), 0);
12588 case TwoMachinesPlay:
12589 if (WhiteOnMove(forwardMostMove) ==
12590 (first.twoMachinesColor[0] == 'w')) {
12596 case BeginningOfGame:
12600 SendToProgram("?\n", cps);
12604 TruncateGameEvent()
12607 if (gameMode != EditGame) return;
12614 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
12615 if (forwardMostMove > currentMove) {
12616 if (gameInfo.resultDetails != NULL) {
12617 free(gameInfo.resultDetails);
12618 gameInfo.resultDetails = NULL;
12619 gameInfo.result = GameUnfinished;
12621 forwardMostMove = currentMove;
12622 HistorySet(parseList, backwardMostMove, forwardMostMove,
12630 if (appData.noChessProgram) return;
12631 switch (gameMode) {
12632 case MachinePlaysWhite:
12633 if (WhiteOnMove(forwardMostMove)) {
12634 DisplayError(_("Wait until your turn"), 0);
12638 case BeginningOfGame:
12639 case MachinePlaysBlack:
12640 if (!WhiteOnMove(forwardMostMove)) {
12641 DisplayError(_("Wait until your turn"), 0);
12646 DisplayError(_("No hint available"), 0);
12649 SendToProgram("hint\n", &first);
12650 hintRequested = TRUE;
12656 if (appData.noChessProgram) return;
12657 switch (gameMode) {
12658 case MachinePlaysWhite:
12659 if (WhiteOnMove(forwardMostMove)) {
12660 DisplayError(_("Wait until your turn"), 0);
12664 case BeginningOfGame:
12665 case MachinePlaysBlack:
12666 if (!WhiteOnMove(forwardMostMove)) {
12667 DisplayError(_("Wait until your turn"), 0);
12672 EditPositionDone(TRUE);
12674 case TwoMachinesPlay:
12679 SendToProgram("bk\n", &first);
12680 bookOutput[0] = NULLCHAR;
12681 bookRequested = TRUE;
12687 char *tags = PGNTags(&gameInfo);
12688 TagsPopUp(tags, CmailMsg());
12692 /* end button procedures */
12695 PrintPosition(fp, move)
12701 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12702 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
12703 char c = PieceToChar(boards[move][i][j]);
12704 fputc(c == 'x' ? '.' : c, fp);
12705 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
12708 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
12709 fprintf(fp, "white to play\n");
12711 fprintf(fp, "black to play\n");
12718 if (gameInfo.white != NULL) {
12719 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
12725 /* Find last component of program's own name, using some heuristics */
12727 TidyProgramName(prog, host, buf)
12728 char *prog, *host, buf[MSG_SIZ];
12731 int local = (strcmp(host, "localhost") == 0);
12732 while (!local && (p = strchr(prog, ';')) != NULL) {
12734 while (*p == ' ') p++;
12737 if (*prog == '"' || *prog == '\'') {
12738 q = strchr(prog + 1, *prog);
12740 q = strchr(prog, ' ');
12742 if (q == NULL) q = prog + strlen(prog);
12744 while (p >= prog && *p != '/' && *p != '\\') p--;
12746 if(p == prog && *p == '"') p++;
12747 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
12748 memcpy(buf, p, q - p);
12749 buf[q - p] = NULLCHAR;
12757 TimeControlTagValue()
12760 if (!appData.clockMode) {
12762 } else if (movesPerSession > 0) {
12763 sprintf(buf, "%d/%ld", movesPerSession, timeControl/1000);
12764 } else if (timeIncrement == 0) {
12765 sprintf(buf, "%ld", timeControl/1000);
12767 sprintf(buf, "%ld+%ld", timeControl/1000, timeIncrement/1000);
12769 return StrSave(buf);
12775 /* This routine is used only for certain modes */
12776 VariantClass v = gameInfo.variant;
12777 ChessMove r = GameUnfinished;
12780 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
12781 r = gameInfo.result;
12782 p = gameInfo.resultDetails;
12783 gameInfo.resultDetails = NULL;
12785 ClearGameInfo(&gameInfo);
12786 gameInfo.variant = v;
12788 switch (gameMode) {
12789 case MachinePlaysWhite:
12790 gameInfo.event = StrSave( appData.pgnEventHeader );
12791 gameInfo.site = StrSave(HostName());
12792 gameInfo.date = PGNDate();
12793 gameInfo.round = StrSave("-");
12794 gameInfo.white = StrSave(first.tidy);
12795 gameInfo.black = StrSave(UserName());
12796 gameInfo.timeControl = TimeControlTagValue();
12799 case MachinePlaysBlack:
12800 gameInfo.event = StrSave( appData.pgnEventHeader );
12801 gameInfo.site = StrSave(HostName());
12802 gameInfo.date = PGNDate();
12803 gameInfo.round = StrSave("-");
12804 gameInfo.white = StrSave(UserName());
12805 gameInfo.black = StrSave(first.tidy);
12806 gameInfo.timeControl = TimeControlTagValue();
12809 case TwoMachinesPlay:
12810 gameInfo.event = StrSave( appData.pgnEventHeader );
12811 gameInfo.site = StrSave(HostName());
12812 gameInfo.date = PGNDate();
12813 if (matchGame > 0) {
12815 sprintf(buf, "%d", matchGame);
12816 gameInfo.round = StrSave(buf);
12818 gameInfo.round = StrSave("-");
12820 if (first.twoMachinesColor[0] == 'w') {
12821 gameInfo.white = StrSave(first.tidy);
12822 gameInfo.black = StrSave(second.tidy);
12824 gameInfo.white = StrSave(second.tidy);
12825 gameInfo.black = StrSave(first.tidy);
12827 gameInfo.timeControl = TimeControlTagValue();
12831 gameInfo.event = StrSave("Edited game");
12832 gameInfo.site = StrSave(HostName());
12833 gameInfo.date = PGNDate();
12834 gameInfo.round = StrSave("-");
12835 gameInfo.white = StrSave("-");
12836 gameInfo.black = StrSave("-");
12837 gameInfo.result = r;
12838 gameInfo.resultDetails = p;
12842 gameInfo.event = StrSave("Edited position");
12843 gameInfo.site = StrSave(HostName());
12844 gameInfo.date = PGNDate();
12845 gameInfo.round = StrSave("-");
12846 gameInfo.white = StrSave("-");
12847 gameInfo.black = StrSave("-");
12850 case IcsPlayingWhite:
12851 case IcsPlayingBlack:
12856 case PlayFromGameFile:
12857 gameInfo.event = StrSave("Game from non-PGN file");
12858 gameInfo.site = StrSave(HostName());
12859 gameInfo.date = PGNDate();
12860 gameInfo.round = StrSave("-");
12861 gameInfo.white = StrSave("?");
12862 gameInfo.black = StrSave("?");
12871 ReplaceComment(index, text)
12877 while (*text == '\n') text++;
12878 len = strlen(text);
12879 while (len > 0 && text[len - 1] == '\n') len--;
12881 if (commentList[index] != NULL)
12882 free(commentList[index]);
12885 commentList[index] = NULL;
12888 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
12889 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
12890 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
12891 commentList[index] = (char *) malloc(len + 2);
12892 strncpy(commentList[index], text, len);
12893 commentList[index][len] = '\n';
12894 commentList[index][len + 1] = NULLCHAR;
12896 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
12898 commentList[index] = (char *) malloc(len + 6);
12899 strcpy(commentList[index], "{\n");
12900 strncpy(commentList[index]+2, text, len);
12901 commentList[index][len+2] = NULLCHAR;
12902 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
12903 strcat(commentList[index], "\n}\n");
12917 if (ch == '\r') continue;
12919 } while (ch != '\0');
12923 AppendComment(index, text, addBraces)
12926 Boolean addBraces; // [HGM] braces: tells if we should add {}
12931 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
12932 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
12935 while (*text == '\n') text++;
12936 len = strlen(text);
12937 while (len > 0 && text[len - 1] == '\n') len--;
12939 if (len == 0) return;
12941 if (commentList[index] != NULL) {
12942 old = commentList[index];
12943 oldlen = strlen(old);
12944 while(commentList[index][oldlen-1] == '\n')
12945 commentList[index][--oldlen] = NULLCHAR;
12946 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
12947 strcpy(commentList[index], old);
12949 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
12950 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces)) {
12951 if(addBraces) addBraces = FALSE; else { text++; len--; }
12952 while (*text == '\n') { text++; len--; }
12953 commentList[index][--oldlen] = NULLCHAR;
12955 if(addBraces) strcat(commentList[index], "\n{\n");
12956 else strcat(commentList[index], "\n");
12957 strcat(commentList[index], text);
12958 if(addBraces) strcat(commentList[index], "\n}\n");
12959 else strcat(commentList[index], "\n");
12961 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
12963 strcpy(commentList[index], "{\n");
12964 else commentList[index][0] = NULLCHAR;
12965 strcat(commentList[index], text);
12966 strcat(commentList[index], "\n");
12967 if(addBraces) strcat(commentList[index], "}\n");
12971 static char * FindStr( char * text, char * sub_text )
12973 char * result = strstr( text, sub_text );
12975 if( result != NULL ) {
12976 result += strlen( sub_text );
12982 /* [AS] Try to extract PV info from PGN comment */
12983 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
12984 char *GetInfoFromComment( int index, char * text )
12988 if( text != NULL && index > 0 ) {
12991 int time = -1, sec = 0, deci;
12992 char * s_eval = FindStr( text, "[%eval " );
12993 char * s_emt = FindStr( text, "[%emt " );
12995 if( s_eval != NULL || s_emt != NULL ) {
12999 if( s_eval != NULL ) {
13000 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
13004 if( delim != ']' ) {
13009 if( s_emt != NULL ) {
13014 /* We expect something like: [+|-]nnn.nn/dd */
13017 if(*text != '{') return text; // [HGM] braces: must be normal comment
13019 sep = strchr( text, '/' );
13020 if( sep == NULL || sep < (text+4) ) {
13024 time = -1; sec = -1; deci = -1;
13025 if( sscanf( text+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
13026 sscanf( text+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
13027 sscanf( text+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
13028 sscanf( text+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
13032 if( score_lo < 0 || score_lo >= 100 ) {
13036 if(sec >= 0) time = 600*time + 10*sec; else
13037 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
13039 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
13041 /* [HGM] PV time: now locate end of PV info */
13042 while( *++sep >= '0' && *sep <= '9'); // strip depth
13044 while( *++sep >= '0' && *sep <= '9'); // strip time
13046 while( *++sep >= '0' && *sep <= '9'); // strip seconds
13048 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
13049 while(*sep == ' ') sep++;
13060 pvInfoList[index-1].depth = depth;
13061 pvInfoList[index-1].score = score;
13062 pvInfoList[index-1].time = 10*time; // centi-sec
13063 if(*sep == '}') *sep = 0; else *--sep = '{';
13069 SendToProgram(message, cps)
13071 ChessProgramState *cps;
13073 int count, outCount, error;
13076 if (cps->pr == NULL) return;
13079 if (appData.debugMode) {
13082 fprintf(debugFP, "%ld >%-6s: %s",
13083 SubtractTimeMarks(&now, &programStartTime),
13084 cps->which, message);
13087 count = strlen(message);
13088 outCount = OutputToProcess(cps->pr, message, count, &error);
13089 if (outCount < count && !exiting
13090 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
13091 sprintf(buf, _("Error writing to %s chess program"), cps->which);
13092 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13093 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13094 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13095 sprintf(buf, "%s program exits in draw position (%s)", cps->which, cps->program);
13097 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13099 gameInfo.resultDetails = StrSave(buf);
13101 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13106 ReceiveFromProgram(isr, closure, message, count, error)
13107 InputSourceRef isr;
13115 ChessProgramState *cps = (ChessProgramState *)closure;
13117 if (isr != cps->isr) return; /* Killed intentionally */
13121 _("Error: %s chess program (%s) exited unexpectedly"),
13122 cps->which, cps->program);
13123 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13124 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13125 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13126 sprintf(buf, _("%s program exits in draw position (%s)"), cps->which, cps->program);
13128 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13130 gameInfo.resultDetails = StrSave(buf);
13132 RemoveInputSource(cps->isr);
13133 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
13136 _("Error reading from %s chess program (%s)"),
13137 cps->which, cps->program);
13138 RemoveInputSource(cps->isr);
13140 /* [AS] Program is misbehaving badly... kill it */
13141 if( count == -2 ) {
13142 DestroyChildProcess( cps->pr, 9 );
13146 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13151 if ((end_str = strchr(message, '\r')) != NULL)
13152 *end_str = NULLCHAR;
13153 if ((end_str = strchr(message, '\n')) != NULL)
13154 *end_str = NULLCHAR;
13156 if (appData.debugMode) {
13157 TimeMark now; int print = 1;
13158 char *quote = ""; char c; int i;
13160 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
13161 char start = message[0];
13162 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
13163 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
13164 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
13165 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
13166 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
13167 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
13168 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
13169 sscanf(message, "pong %c", &c)!=1 && start != '#')
13170 { quote = "# "; print = (appData.engineComments == 2); }
13171 message[0] = start; // restore original message
13175 fprintf(debugFP, "%ld <%-6s: %s%s\n",
13176 SubtractTimeMarks(&now, &programStartTime), cps->which,
13182 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
13183 if (appData.icsEngineAnalyze) {
13184 if (strstr(message, "whisper") != NULL ||
13185 strstr(message, "kibitz") != NULL ||
13186 strstr(message, "tellics") != NULL) return;
13189 HandleMachineMove(message, cps);
13194 SendTimeControl(cps, mps, tc, inc, sd, st)
13195 ChessProgramState *cps;
13196 int mps, inc, sd, st;
13202 if( timeControl_2 > 0 ) {
13203 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
13204 tc = timeControl_2;
13207 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
13208 inc /= cps->timeOdds;
13209 st /= cps->timeOdds;
13211 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
13214 /* Set exact time per move, normally using st command */
13215 if (cps->stKludge) {
13216 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
13218 if (seconds == 0) {
13219 sprintf(buf, "level 1 %d\n", st/60);
13221 sprintf(buf, "level 1 %d:%02d\n", st/60, seconds);
13224 sprintf(buf, "st %d\n", st);
13227 /* Set conventional or incremental time control, using level command */
13228 if (seconds == 0) {
13229 /* Note old gnuchess bug -- minutes:seconds used to not work.
13230 Fixed in later versions, but still avoid :seconds
13231 when seconds is 0. */
13232 sprintf(buf, "level %d %ld %d\n", mps, tc/60000, inc/1000);
13234 sprintf(buf, "level %d %ld:%02d %d\n", mps, tc/60000,
13235 seconds, inc/1000);
13238 SendToProgram(buf, cps);
13240 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
13241 /* Orthogonally, limit search to given depth */
13243 if (cps->sdKludge) {
13244 sprintf(buf, "depth\n%d\n", sd);
13246 sprintf(buf, "sd %d\n", sd);
13248 SendToProgram(buf, cps);
13251 if(cps->nps > 0) { /* [HGM] nps */
13252 if(cps->supportsNPS == FALSE) cps->nps = -1; // don't use if engine explicitly says not supported!
13254 sprintf(buf, "nps %d\n", cps->nps);
13255 SendToProgram(buf, cps);
13260 ChessProgramState *WhitePlayer()
13261 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
13263 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
13264 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
13270 SendTimeRemaining(cps, machineWhite)
13271 ChessProgramState *cps;
13272 int /*boolean*/ machineWhite;
13274 char message[MSG_SIZ];
13277 /* Note: this routine must be called when the clocks are stopped
13278 or when they have *just* been set or switched; otherwise
13279 it will be off by the time since the current tick started.
13281 if (machineWhite) {
13282 time = whiteTimeRemaining / 10;
13283 otime = blackTimeRemaining / 10;
13285 time = blackTimeRemaining / 10;
13286 otime = whiteTimeRemaining / 10;
13288 /* [HGM] translate opponent's time by time-odds factor */
13289 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
13290 if (appData.debugMode) {
13291 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
13294 if (time <= 0) time = 1;
13295 if (otime <= 0) otime = 1;
13297 sprintf(message, "time %ld\n", time);
13298 SendToProgram(message, cps);
13300 sprintf(message, "otim %ld\n", otime);
13301 SendToProgram(message, cps);
13305 BoolFeature(p, name, loc, cps)
13309 ChessProgramState *cps;
13312 int len = strlen(name);
13314 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13316 sscanf(*p, "%d", &val);
13318 while (**p && **p != ' ') (*p)++;
13319 sprintf(buf, "accepted %s\n", name);
13320 SendToProgram(buf, cps);
13327 IntFeature(p, name, loc, cps)
13331 ChessProgramState *cps;
13334 int len = strlen(name);
13335 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13337 sscanf(*p, "%d", loc);
13338 while (**p && **p != ' ') (*p)++;
13339 sprintf(buf, "accepted %s\n", name);
13340 SendToProgram(buf, cps);
13347 StringFeature(p, name, loc, cps)
13351 ChessProgramState *cps;
13354 int len = strlen(name);
13355 if (strncmp((*p), name, len) == 0
13356 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
13358 sscanf(*p, "%[^\"]", loc);
13359 while (**p && **p != '\"') (*p)++;
13360 if (**p == '\"') (*p)++;
13361 sprintf(buf, "accepted %s\n", name);
13362 SendToProgram(buf, cps);
13369 ParseOption(Option *opt, ChessProgramState *cps)
13370 // [HGM] options: process the string that defines an engine option, and determine
13371 // name, type, default value, and allowed value range
13373 char *p, *q, buf[MSG_SIZ];
13374 int n, min = (-1)<<31, max = 1<<31, def;
13376 if(p = strstr(opt->name, " -spin ")) {
13377 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13378 if(max < min) max = min; // enforce consistency
13379 if(def < min) def = min;
13380 if(def > max) def = max;
13385 } else if((p = strstr(opt->name, " -slider "))) {
13386 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
13387 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13388 if(max < min) max = min; // enforce consistency
13389 if(def < min) def = min;
13390 if(def > max) def = max;
13394 opt->type = Spin; // Slider;
13395 } else if((p = strstr(opt->name, " -string "))) {
13396 opt->textValue = p+9;
13397 opt->type = TextBox;
13398 } else if((p = strstr(opt->name, " -file "))) {
13399 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13400 opt->textValue = p+7;
13401 opt->type = TextBox; // FileName;
13402 } else if((p = strstr(opt->name, " -path "))) {
13403 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13404 opt->textValue = p+7;
13405 opt->type = TextBox; // PathName;
13406 } else if(p = strstr(opt->name, " -check ")) {
13407 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
13408 opt->value = (def != 0);
13409 opt->type = CheckBox;
13410 } else if(p = strstr(opt->name, " -combo ")) {
13411 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
13412 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
13413 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
13414 opt->value = n = 0;
13415 while(q = StrStr(q, " /// ")) {
13416 n++; *q = 0; // count choices, and null-terminate each of them
13418 if(*q == '*') { // remember default, which is marked with * prefix
13422 cps->comboList[cps->comboCnt++] = q;
13424 cps->comboList[cps->comboCnt++] = NULL;
13426 opt->type = ComboBox;
13427 } else if(p = strstr(opt->name, " -button")) {
13428 opt->type = Button;
13429 } else if(p = strstr(opt->name, " -save")) {
13430 opt->type = SaveButton;
13431 } else return FALSE;
13432 *p = 0; // terminate option name
13433 // now look if the command-line options define a setting for this engine option.
13434 if(cps->optionSettings && cps->optionSettings[0])
13435 p = strstr(cps->optionSettings, opt->name); else p = NULL;
13436 if(p && (p == cps->optionSettings || p[-1] == ',')) {
13437 sprintf(buf, "option %s", p);
13438 if(p = strstr(buf, ",")) *p = 0;
13440 SendToProgram(buf, cps);
13446 FeatureDone(cps, val)
13447 ChessProgramState* cps;
13450 DelayedEventCallback cb = GetDelayedEvent();
13451 if ((cb == InitBackEnd3 && cps == &first) ||
13452 (cb == TwoMachinesEventIfReady && cps == &second)) {
13453 CancelDelayedEvent();
13454 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
13456 cps->initDone = val;
13459 /* Parse feature command from engine */
13461 ParseFeatures(args, cps)
13463 ChessProgramState *cps;
13471 while (*p == ' ') p++;
13472 if (*p == NULLCHAR) return;
13474 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
13475 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
13476 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
13477 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
13478 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
13479 if (BoolFeature(&p, "reuse", &val, cps)) {
13480 /* Engine can disable reuse, but can't enable it if user said no */
13481 if (!val) cps->reuse = FALSE;
13484 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
13485 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
13486 if (gameMode == TwoMachinesPlay) {
13487 DisplayTwoMachinesTitle();
13493 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
13494 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
13495 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
13496 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
13497 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
13498 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
13499 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
13500 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
13501 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
13502 if (IntFeature(&p, "done", &val, cps)) {
13503 FeatureDone(cps, val);
13506 /* Added by Tord: */
13507 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
13508 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
13509 /* End of additions by Tord */
13511 /* [HGM] added features: */
13512 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
13513 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
13514 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
13515 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
13516 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13517 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
13518 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
13519 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
13520 sprintf(buf, "rejected option %s\n", cps->option[--cps->nrOptions].name);
13521 SendToProgram(buf, cps);
13524 if(cps->nrOptions >= MAX_OPTIONS) {
13526 sprintf(buf, "%s engine has too many options\n", cps->which);
13527 DisplayError(buf, 0);
13531 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13532 /* End of additions by HGM */
13534 /* unknown feature: complain and skip */
13536 while (*q && *q != '=') q++;
13537 sprintf(buf, "rejected %.*s\n", (int)(q-p), p);
13538 SendToProgram(buf, cps);
13544 while (*p && *p != '\"') p++;
13545 if (*p == '\"') p++;
13547 while (*p && *p != ' ') p++;
13555 PeriodicUpdatesEvent(newState)
13558 if (newState == appData.periodicUpdates)
13561 appData.periodicUpdates=newState;
13563 /* Display type changes, so update it now */
13564 // DisplayAnalysis();
13566 /* Get the ball rolling again... */
13568 AnalysisPeriodicEvent(1);
13569 StartAnalysisClock();
13574 PonderNextMoveEvent(newState)
13577 if (newState == appData.ponderNextMove) return;
13578 if (gameMode == EditPosition) EditPositionDone(TRUE);
13580 SendToProgram("hard\n", &first);
13581 if (gameMode == TwoMachinesPlay) {
13582 SendToProgram("hard\n", &second);
13585 SendToProgram("easy\n", &first);
13586 thinkOutput[0] = NULLCHAR;
13587 if (gameMode == TwoMachinesPlay) {
13588 SendToProgram("easy\n", &second);
13591 appData.ponderNextMove = newState;
13595 NewSettingEvent(option, command, value)
13601 if (gameMode == EditPosition) EditPositionDone(TRUE);
13602 sprintf(buf, "%s%s %d\n", (option ? "option ": ""), command, value);
13603 SendToProgram(buf, &first);
13604 if (gameMode == TwoMachinesPlay) {
13605 SendToProgram(buf, &second);
13610 ShowThinkingEvent()
13611 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
13613 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
13614 int newState = appData.showThinking
13615 // [HGM] thinking: other features now need thinking output as well
13616 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
13618 if (oldState == newState) return;
13619 oldState = newState;
13620 if (gameMode == EditPosition) EditPositionDone(TRUE);
13622 SendToProgram("post\n", &first);
13623 if (gameMode == TwoMachinesPlay) {
13624 SendToProgram("post\n", &second);
13627 SendToProgram("nopost\n", &first);
13628 thinkOutput[0] = NULLCHAR;
13629 if (gameMode == TwoMachinesPlay) {
13630 SendToProgram("nopost\n", &second);
13633 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
13637 AskQuestionEvent(title, question, replyPrefix, which)
13638 char *title; char *question; char *replyPrefix; char *which;
13640 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
13641 if (pr == NoProc) return;
13642 AskQuestion(title, question, replyPrefix, pr);
13646 DisplayMove(moveNumber)
13649 char message[MSG_SIZ];
13651 char cpThinkOutput[MSG_SIZ];
13653 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
13655 if (moveNumber == forwardMostMove - 1 ||
13656 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13658 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput));
13660 if (strchr(cpThinkOutput, '\n')) {
13661 *strchr(cpThinkOutput, '\n') = NULLCHAR;
13664 *cpThinkOutput = NULLCHAR;
13667 /* [AS] Hide thinking from human user */
13668 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
13669 *cpThinkOutput = NULLCHAR;
13670 if( thinkOutput[0] != NULLCHAR ) {
13673 for( i=0; i<=hiddenThinkOutputState; i++ ) {
13674 cpThinkOutput[i] = '.';
13676 cpThinkOutput[i] = NULLCHAR;
13677 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
13681 if (moveNumber == forwardMostMove - 1 &&
13682 gameInfo.resultDetails != NULL) {
13683 if (gameInfo.resultDetails[0] == NULLCHAR) {
13684 sprintf(res, " %s", PGNResult(gameInfo.result));
13686 sprintf(res, " {%s} %s",
13687 gameInfo.resultDetails, PGNResult(gameInfo.result));
13693 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
13694 DisplayMessage(res, cpThinkOutput);
13696 sprintf(message, "%d.%s%s%s", moveNumber / 2 + 1,
13697 WhiteOnMove(moveNumber) ? " " : ".. ",
13698 parseList[moveNumber], res);
13699 DisplayMessage(message, cpThinkOutput);
13704 DisplayComment(moveNumber, text)
13708 char title[MSG_SIZ];
13709 char buf[8000]; // comment can be long!
13712 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
13713 strcpy(title, "Comment");
13715 sprintf(title, "Comment on %d.%s%s", moveNumber / 2 + 1,
13716 WhiteOnMove(moveNumber) ? " " : ".. ",
13717 parseList[moveNumber]);
13719 // [HGM] PV info: display PV info together with (or as) comment
13720 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
13721 if(text == NULL) text = "";
13722 score = pvInfoList[moveNumber].score;
13723 sprintf(buf, "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
13724 depth, (pvInfoList[moveNumber].time+50)/100, text);
13727 if (text != NULL && (appData.autoDisplayComment || commentUp))
13728 CommentPopUp(title, text);
13731 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
13732 * might be busy thinking or pondering. It can be omitted if your
13733 * gnuchess is configured to stop thinking immediately on any user
13734 * input. However, that gnuchess feature depends on the FIONREAD
13735 * ioctl, which does not work properly on some flavors of Unix.
13739 ChessProgramState *cps;
13742 if (!cps->useSigint) return;
13743 if (appData.noChessProgram || (cps->pr == NoProc)) return;
13744 switch (gameMode) {
13745 case MachinePlaysWhite:
13746 case MachinePlaysBlack:
13747 case TwoMachinesPlay:
13748 case IcsPlayingWhite:
13749 case IcsPlayingBlack:
13752 /* Skip if we know it isn't thinking */
13753 if (!cps->maybeThinking) return;
13754 if (appData.debugMode)
13755 fprintf(debugFP, "Interrupting %s\n", cps->which);
13756 InterruptChildProcess(cps->pr);
13757 cps->maybeThinking = FALSE;
13762 #endif /*ATTENTION*/
13768 if (whiteTimeRemaining <= 0) {
13771 if (appData.icsActive) {
13772 if (appData.autoCallFlag &&
13773 gameMode == IcsPlayingBlack && !blackFlag) {
13774 SendToICS(ics_prefix);
13775 SendToICS("flag\n");
13779 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
13781 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
13782 if (appData.autoCallFlag) {
13783 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
13790 if (blackTimeRemaining <= 0) {
13793 if (appData.icsActive) {
13794 if (appData.autoCallFlag &&
13795 gameMode == IcsPlayingWhite && !whiteFlag) {
13796 SendToICS(ics_prefix);
13797 SendToICS("flag\n");
13801 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
13803 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
13804 if (appData.autoCallFlag) {
13805 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
13818 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
13819 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
13822 * add time to clocks when time control is achieved ([HGM] now also used for increment)
13824 if ( !WhiteOnMove(forwardMostMove) )
13825 /* White made time control */
13826 whiteTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
13827 /* [HGM] time odds: correct new time quota for time odds! */
13828 / WhitePlayer()->timeOdds;
13830 /* Black made time control */
13831 blackTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
13832 / WhitePlayer()->other->timeOdds;
13836 DisplayBothClocks()
13838 int wom = gameMode == EditPosition ?
13839 !blackPlaysFirst : WhiteOnMove(currentMove);
13840 DisplayWhiteClock(whiteTimeRemaining, wom);
13841 DisplayBlackClock(blackTimeRemaining, !wom);
13845 /* Timekeeping seems to be a portability nightmare. I think everyone
13846 has ftime(), but I'm really not sure, so I'm including some ifdefs
13847 to use other calls if you don't. Clocks will be less accurate if
13848 you have neither ftime nor gettimeofday.
13851 /* VS 2008 requires the #include outside of the function */
13852 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
13853 #include <sys/timeb.h>
13856 /* Get the current time as a TimeMark */
13861 #if HAVE_GETTIMEOFDAY
13863 struct timeval timeVal;
13864 struct timezone timeZone;
13866 gettimeofday(&timeVal, &timeZone);
13867 tm->sec = (long) timeVal.tv_sec;
13868 tm->ms = (int) (timeVal.tv_usec / 1000L);
13870 #else /*!HAVE_GETTIMEOFDAY*/
13873 // include <sys/timeb.h> / moved to just above start of function
13874 struct timeb timeB;
13877 tm->sec = (long) timeB.time;
13878 tm->ms = (int) timeB.millitm;
13880 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
13881 tm->sec = (long) time(NULL);
13887 /* Return the difference in milliseconds between two
13888 time marks. We assume the difference will fit in a long!
13891 SubtractTimeMarks(tm2, tm1)
13892 TimeMark *tm2, *tm1;
13894 return 1000L*(tm2->sec - tm1->sec) +
13895 (long) (tm2->ms - tm1->ms);
13900 * Code to manage the game clocks.
13902 * In tournament play, black starts the clock and then white makes a move.
13903 * We give the human user a slight advantage if he is playing white---the
13904 * clocks don't run until he makes his first move, so it takes zero time.
13905 * Also, we don't account for network lag, so we could get out of sync
13906 * with GNU Chess's clock -- but then, referees are always right.
13909 static TimeMark tickStartTM;
13910 static long intendedTickLength;
13913 NextTickLength(timeRemaining)
13914 long timeRemaining;
13916 long nominalTickLength, nextTickLength;
13918 if (timeRemaining > 0L && timeRemaining <= 10000L)
13919 nominalTickLength = 100L;
13921 nominalTickLength = 1000L;
13922 nextTickLength = timeRemaining % nominalTickLength;
13923 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
13925 return nextTickLength;
13928 /* Adjust clock one minute up or down */
13930 AdjustClock(Boolean which, int dir)
13932 if(which) blackTimeRemaining += 60000*dir;
13933 else whiteTimeRemaining += 60000*dir;
13934 DisplayBothClocks();
13937 /* Stop clocks and reset to a fresh time control */
13941 (void) StopClockTimer();
13942 if (appData.icsActive) {
13943 whiteTimeRemaining = blackTimeRemaining = 0;
13944 } else if (searchTime) {
13945 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
13946 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
13947 } else { /* [HGM] correct new time quote for time odds */
13948 whiteTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->timeOdds;
13949 blackTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->other->timeOdds;
13951 if (whiteFlag || blackFlag) {
13953 whiteFlag = blackFlag = FALSE;
13955 DisplayBothClocks();
13958 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
13960 /* Decrement running clock by amount of time that has passed */
13964 long timeRemaining;
13965 long lastTickLength, fudge;
13968 if (!appData.clockMode) return;
13969 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
13973 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
13975 /* Fudge if we woke up a little too soon */
13976 fudge = intendedTickLength - lastTickLength;
13977 if (fudge < 0 || fudge > FUDGE) fudge = 0;
13979 if (WhiteOnMove(forwardMostMove)) {
13980 if(whiteNPS >= 0) lastTickLength = 0;
13981 timeRemaining = whiteTimeRemaining -= lastTickLength;
13982 DisplayWhiteClock(whiteTimeRemaining - fudge,
13983 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
13985 if(blackNPS >= 0) lastTickLength = 0;
13986 timeRemaining = blackTimeRemaining -= lastTickLength;
13987 DisplayBlackClock(blackTimeRemaining - fudge,
13988 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
13991 if (CheckFlags()) return;
13994 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
13995 StartClockTimer(intendedTickLength);
13997 /* if the time remaining has fallen below the alarm threshold, sound the
13998 * alarm. if the alarm has sounded and (due to a takeback or time control
13999 * with increment) the time remaining has increased to a level above the
14000 * threshold, reset the alarm so it can sound again.
14003 if (appData.icsActive && appData.icsAlarm) {
14005 /* make sure we are dealing with the user's clock */
14006 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
14007 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
14010 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
14011 alarmSounded = FALSE;
14012 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
14014 alarmSounded = TRUE;
14020 /* A player has just moved, so stop the previously running
14021 clock and (if in clock mode) start the other one.
14022 We redisplay both clocks in case we're in ICS mode, because
14023 ICS gives us an update to both clocks after every move.
14024 Note that this routine is called *after* forwardMostMove
14025 is updated, so the last fractional tick must be subtracted
14026 from the color that is *not* on move now.
14031 long lastTickLength;
14033 int flagged = FALSE;
14037 if (StopClockTimer() && appData.clockMode) {
14038 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14039 if (WhiteOnMove(forwardMostMove)) {
14040 if(blackNPS >= 0) lastTickLength = 0;
14041 blackTimeRemaining -= lastTickLength;
14042 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14043 // if(pvInfoList[forwardMostMove-1].time == -1)
14044 pvInfoList[forwardMostMove-1].time = // use GUI time
14045 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
14047 if(whiteNPS >= 0) lastTickLength = 0;
14048 whiteTimeRemaining -= lastTickLength;
14049 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14050 // if(pvInfoList[forwardMostMove-1].time == -1)
14051 pvInfoList[forwardMostMove-1].time =
14052 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
14054 flagged = CheckFlags();
14056 CheckTimeControl();
14058 if (flagged || !appData.clockMode) return;
14060 switch (gameMode) {
14061 case MachinePlaysBlack:
14062 case MachinePlaysWhite:
14063 case BeginningOfGame:
14064 if (pausing) return;
14068 case PlayFromGameFile:
14076 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
14077 if(WhiteOnMove(forwardMostMove))
14078 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14079 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14083 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14084 whiteTimeRemaining : blackTimeRemaining);
14085 StartClockTimer(intendedTickLength);
14089 /* Stop both clocks */
14093 long lastTickLength;
14096 if (!StopClockTimer()) return;
14097 if (!appData.clockMode) return;
14101 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14102 if (WhiteOnMove(forwardMostMove)) {
14103 if(whiteNPS >= 0) lastTickLength = 0;
14104 whiteTimeRemaining -= lastTickLength;
14105 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
14107 if(blackNPS >= 0) lastTickLength = 0;
14108 blackTimeRemaining -= lastTickLength;
14109 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
14114 /* Start clock of player on move. Time may have been reset, so
14115 if clock is already running, stop and restart it. */
14119 (void) StopClockTimer(); /* in case it was running already */
14120 DisplayBothClocks();
14121 if (CheckFlags()) return;
14123 if (!appData.clockMode) return;
14124 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
14126 GetTimeMark(&tickStartTM);
14127 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14128 whiteTimeRemaining : blackTimeRemaining);
14130 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
14131 whiteNPS = blackNPS = -1;
14132 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
14133 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
14134 whiteNPS = first.nps;
14135 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
14136 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
14137 blackNPS = first.nps;
14138 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
14139 whiteNPS = second.nps;
14140 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
14141 blackNPS = second.nps;
14142 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
14144 StartClockTimer(intendedTickLength);
14151 long second, minute, hour, day;
14153 static char buf[32];
14155 if (ms > 0 && ms <= 9900) {
14156 /* convert milliseconds to tenths, rounding up */
14157 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
14159 sprintf(buf, " %03.1f ", tenths/10.0);
14163 /* convert milliseconds to seconds, rounding up */
14164 /* use floating point to avoid strangeness of integer division
14165 with negative dividends on many machines */
14166 second = (long) floor(((double) (ms + 999L)) / 1000.0);
14173 day = second / (60 * 60 * 24);
14174 second = second % (60 * 60 * 24);
14175 hour = second / (60 * 60);
14176 second = second % (60 * 60);
14177 minute = second / 60;
14178 second = second % 60;
14181 sprintf(buf, " %s%ld:%02ld:%02ld:%02ld ",
14182 sign, day, hour, minute, second);
14184 sprintf(buf, " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
14186 sprintf(buf, " %s%2ld:%02ld ", sign, minute, second);
14193 * This is necessary because some C libraries aren't ANSI C compliant yet.
14196 StrStr(string, match)
14197 char *string, *match;
14201 length = strlen(match);
14203 for (i = strlen(string) - length; i >= 0; i--, string++)
14204 if (!strncmp(match, string, length))
14211 StrCaseStr(string, match)
14212 char *string, *match;
14216 length = strlen(match);
14218 for (i = strlen(string) - length; i >= 0; i--, string++) {
14219 for (j = 0; j < length; j++) {
14220 if (ToLower(match[j]) != ToLower(string[j]))
14223 if (j == length) return string;
14237 c1 = ToLower(*s1++);
14238 c2 = ToLower(*s2++);
14239 if (c1 > c2) return 1;
14240 if (c1 < c2) return -1;
14241 if (c1 == NULLCHAR) return 0;
14250 return isupper(c) ? tolower(c) : c;
14258 return islower(c) ? toupper(c) : c;
14260 #endif /* !_amigados */
14268 if ((ret = (char *) malloc(strlen(s) + 1))) {
14275 StrSavePtr(s, savePtr)
14276 char *s, **savePtr;
14281 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
14282 strcpy(*savePtr, s);
14294 clock = time((time_t *)NULL);
14295 tm = localtime(&clock);
14296 sprintf(buf, "%04d.%02d.%02d",
14297 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
14298 return StrSave(buf);
14303 PositionToFEN(move, overrideCastling)
14305 char *overrideCastling;
14307 int i, j, fromX, fromY, toX, toY;
14314 whiteToPlay = (gameMode == EditPosition) ?
14315 !blackPlaysFirst : (move % 2 == 0);
14318 /* Piece placement data */
14319 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14321 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14322 if (boards[move][i][j] == EmptySquare) {
14324 } else { ChessSquare piece = boards[move][i][j];
14325 if (emptycount > 0) {
14326 if(emptycount<10) /* [HGM] can be >= 10 */
14327 *p++ = '0' + emptycount;
14328 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14331 if(PieceToChar(piece) == '+') {
14332 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
14334 piece = (ChessSquare)(DEMOTED piece);
14336 *p++ = PieceToChar(piece);
14338 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
14339 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
14344 if (emptycount > 0) {
14345 if(emptycount<10) /* [HGM] can be >= 10 */
14346 *p++ = '0' + emptycount;
14347 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14354 /* [HGM] print Crazyhouse or Shogi holdings */
14355 if( gameInfo.holdingsWidth ) {
14356 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
14358 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
14359 piece = boards[move][i][BOARD_WIDTH-1];
14360 if( piece != EmptySquare )
14361 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
14362 *p++ = PieceToChar(piece);
14364 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
14365 piece = boards[move][BOARD_HEIGHT-i-1][0];
14366 if( piece != EmptySquare )
14367 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
14368 *p++ = PieceToChar(piece);
14371 if( q == p ) *p++ = '-';
14377 *p++ = whiteToPlay ? 'w' : 'b';
14380 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
14381 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
14383 if(nrCastlingRights) {
14385 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
14386 /* [HGM] write directly from rights */
14387 if(boards[move][CASTLING][2] != NoRights &&
14388 boards[move][CASTLING][0] != NoRights )
14389 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
14390 if(boards[move][CASTLING][2] != NoRights &&
14391 boards[move][CASTLING][1] != NoRights )
14392 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
14393 if(boards[move][CASTLING][5] != NoRights &&
14394 boards[move][CASTLING][3] != NoRights )
14395 *p++ = boards[move][CASTLING][3] + AAA;
14396 if(boards[move][CASTLING][5] != NoRights &&
14397 boards[move][CASTLING][4] != NoRights )
14398 *p++ = boards[move][CASTLING][4] + AAA;
14401 /* [HGM] write true castling rights */
14402 if( nrCastlingRights == 6 ) {
14403 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
14404 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
14405 if(boards[move][CASTLING][1] == BOARD_LEFT &&
14406 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
14407 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
14408 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
14409 if(boards[move][CASTLING][4] == BOARD_LEFT &&
14410 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
14413 if (q == p) *p++ = '-'; /* No castling rights */
14417 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14418 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14419 /* En passant target square */
14420 if (move > backwardMostMove) {
14421 fromX = moveList[move - 1][0] - AAA;
14422 fromY = moveList[move - 1][1] - ONE;
14423 toX = moveList[move - 1][2] - AAA;
14424 toY = moveList[move - 1][3] - ONE;
14425 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
14426 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
14427 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
14429 /* 2-square pawn move just happened */
14431 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14435 } else if(move == backwardMostMove) {
14436 // [HGM] perhaps we should always do it like this, and forget the above?
14437 if((signed char)boards[move][EP_STATUS] >= 0) {
14438 *p++ = boards[move][EP_STATUS] + AAA;
14439 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14450 /* [HGM] find reversible plies */
14451 { int i = 0, j=move;
14453 if (appData.debugMode) { int k;
14454 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
14455 for(k=backwardMostMove; k<=forwardMostMove; k++)
14456 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
14460 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
14461 if( j == backwardMostMove ) i += initialRulePlies;
14462 sprintf(p, "%d ", i);
14463 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
14465 /* Fullmove number */
14466 sprintf(p, "%d", (move / 2) + 1);
14468 return StrSave(buf);
14472 ParseFEN(board, blackPlaysFirst, fen)
14474 int *blackPlaysFirst;
14484 /* [HGM] by default clear Crazyhouse holdings, if present */
14485 if(gameInfo.holdingsWidth) {
14486 for(i=0; i<BOARD_HEIGHT; i++) {
14487 board[i][0] = EmptySquare; /* black holdings */
14488 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
14489 board[i][1] = (ChessSquare) 0; /* black counts */
14490 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
14494 /* Piece placement data */
14495 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14498 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
14499 if (*p == '/') p++;
14500 emptycount = gameInfo.boardWidth - j;
14501 while (emptycount--)
14502 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14504 #if(BOARD_FILES >= 10)
14505 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
14506 p++; emptycount=10;
14507 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14508 while (emptycount--)
14509 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14511 } else if (isdigit(*p)) {
14512 emptycount = *p++ - '0';
14513 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
14514 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14515 while (emptycount--)
14516 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14517 } else if (*p == '+' || isalpha(*p)) {
14518 if (j >= gameInfo.boardWidth) return FALSE;
14520 piece = CharToPiece(*++p);
14521 if(piece == EmptySquare) return FALSE; /* unknown piece */
14522 piece = (ChessSquare) (PROMOTED piece ); p++;
14523 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
14524 } else piece = CharToPiece(*p++);
14526 if(piece==EmptySquare) return FALSE; /* unknown piece */
14527 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
14528 piece = (ChessSquare) (PROMOTED piece);
14529 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
14532 board[i][(j++)+gameInfo.holdingsWidth] = piece;
14538 while (*p == '/' || *p == ' ') p++;
14540 /* [HGM] look for Crazyhouse holdings here */
14541 while(*p==' ') p++;
14542 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
14544 if(*p == '-' ) *p++; /* empty holdings */ else {
14545 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
14546 /* if we would allow FEN reading to set board size, we would */
14547 /* have to add holdings and shift the board read so far here */
14548 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
14550 if((int) piece >= (int) BlackPawn ) {
14551 i = (int)piece - (int)BlackPawn;
14552 i = PieceToNumber((ChessSquare)i);
14553 if( i >= gameInfo.holdingsSize ) return FALSE;
14554 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
14555 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
14557 i = (int)piece - (int)WhitePawn;
14558 i = PieceToNumber((ChessSquare)i);
14559 if( i >= gameInfo.holdingsSize ) return FALSE;
14560 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
14561 board[i][BOARD_WIDTH-2]++; /* black holdings */
14565 if(*p == ']') *p++;
14568 while(*p == ' ') p++;
14573 *blackPlaysFirst = FALSE;
14576 *blackPlaysFirst = TRUE;
14582 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
14583 /* return the extra info in global variiables */
14585 /* set defaults in case FEN is incomplete */
14586 board[EP_STATUS] = EP_UNKNOWN;
14587 for(i=0; i<nrCastlingRights; i++ ) {
14588 board[CASTLING][i] =
14589 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
14590 } /* assume possible unless obviously impossible */
14591 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
14592 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
14593 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
14594 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
14595 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
14596 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
14597 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
14598 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
14601 while(*p==' ') p++;
14602 if(nrCastlingRights) {
14603 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
14604 /* castling indicator present, so default becomes no castlings */
14605 for(i=0; i<nrCastlingRights; i++ ) {
14606 board[CASTLING][i] = NoRights;
14609 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
14610 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
14611 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
14612 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
14613 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
14615 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
14616 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
14617 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
14619 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
14620 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
14621 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
14622 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
14623 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
14624 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
14627 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
14628 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
14629 board[CASTLING][2] = whiteKingFile;
14632 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
14633 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
14634 board[CASTLING][2] = whiteKingFile;
14637 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
14638 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
14639 board[CASTLING][5] = blackKingFile;
14642 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
14643 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
14644 board[CASTLING][5] = blackKingFile;
14647 default: /* FRC castlings */
14648 if(c >= 'a') { /* black rights */
14649 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
14650 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
14651 if(i == BOARD_RGHT) break;
14652 board[CASTLING][5] = i;
14654 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
14655 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
14657 board[CASTLING][3] = c;
14659 board[CASTLING][4] = c;
14660 } else { /* white rights */
14661 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
14662 if(board[0][i] == WhiteKing) break;
14663 if(i == BOARD_RGHT) break;
14664 board[CASTLING][2] = i;
14665 c -= AAA - 'a' + 'A';
14666 if(board[0][c] >= WhiteKing) break;
14668 board[CASTLING][0] = c;
14670 board[CASTLING][1] = c;
14674 for(i=0; i<nrCastlingRights; i++)
14675 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
14676 if (appData.debugMode) {
14677 fprintf(debugFP, "FEN castling rights:");
14678 for(i=0; i<nrCastlingRights; i++)
14679 fprintf(debugFP, " %d", board[CASTLING][i]);
14680 fprintf(debugFP, "\n");
14683 while(*p==' ') p++;
14686 /* read e.p. field in games that know e.p. capture */
14687 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14688 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14690 p++; board[EP_STATUS] = EP_NONE;
14692 char c = *p++ - AAA;
14694 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
14695 if(*p >= '0' && *p <='9') *p++;
14696 board[EP_STATUS] = c;
14701 if(sscanf(p, "%d", &i) == 1) {
14702 FENrulePlies = i; /* 50-move ply counter */
14703 /* (The move number is still ignored) */
14710 EditPositionPasteFEN(char *fen)
14713 Board initial_position;
14715 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
14716 DisplayError(_("Bad FEN position in clipboard"), 0);
14719 int savedBlackPlaysFirst = blackPlaysFirst;
14720 EditPositionEvent();
14721 blackPlaysFirst = savedBlackPlaysFirst;
14722 CopyBoard(boards[0], initial_position);
14723 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
14724 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
14725 DisplayBothClocks();
14726 DrawPosition(FALSE, boards[currentMove]);
14731 static char cseq[12] = "\\ ";
14733 Boolean set_cont_sequence(char *new_seq)
14738 // handle bad attempts to set the sequence
14740 return 0; // acceptable error - no debug
14742 len = strlen(new_seq);
14743 ret = (len > 0) && (len < sizeof(cseq));
14745 strcpy(cseq, new_seq);
14746 else if (appData.debugMode)
14747 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
14752 reformat a source message so words don't cross the width boundary. internal
14753 newlines are not removed. returns the wrapped size (no null character unless
14754 included in source message). If dest is NULL, only calculate the size required
14755 for the dest buffer. lp argument indicats line position upon entry, and it's
14756 passed back upon exit.
14758 int wrap(char *dest, char *src, int count, int width, int *lp)
14760 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
14762 cseq_len = strlen(cseq);
14763 old_line = line = *lp;
14764 ansi = len = clen = 0;
14766 for (i=0; i < count; i++)
14768 if (src[i] == '\033')
14771 // if we hit the width, back up
14772 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
14774 // store i & len in case the word is too long
14775 old_i = i, old_len = len;
14777 // find the end of the last word
14778 while (i && src[i] != ' ' && src[i] != '\n')
14784 // word too long? restore i & len before splitting it
14785 if ((old_i-i+clen) >= width)
14792 if (i && src[i-1] == ' ')
14795 if (src[i] != ' ' && src[i] != '\n')
14802 // now append the newline and continuation sequence
14807 strncpy(dest+len, cseq, cseq_len);
14815 dest[len] = src[i];
14819 if (src[i] == '\n')
14824 if (dest && appData.debugMode)
14826 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
14827 count, width, line, len, *lp);
14828 show_bytes(debugFP, src, count);
14829 fprintf(debugFP, "\ndest: ");
14830 show_bytes(debugFP, dest, len);
14831 fprintf(debugFP, "\n");
14833 *lp = dest ? line : old_line;
14838 // [HGM] vari: routines for shelving variations
14841 PushTail(int firstMove, int lastMove)
14843 int i, j, nrMoves = lastMove - firstMove;
14845 if(appData.icsActive) { // only in local mode
14846 forwardMostMove = currentMove; // mimic old ICS behavior
14849 if(storedGames >= MAX_VARIATIONS-1) return;
14851 // push current tail of game on stack
14852 savedResult[storedGames] = gameInfo.result;
14853 savedDetails[storedGames] = gameInfo.resultDetails;
14854 gameInfo.resultDetails = NULL;
14855 savedFirst[storedGames] = firstMove;
14856 savedLast [storedGames] = lastMove;
14857 savedFramePtr[storedGames] = framePtr;
14858 framePtr -= nrMoves; // reserve space for the boards
14859 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
14860 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
14861 for(j=0; j<MOVE_LEN; j++)
14862 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
14863 for(j=0; j<2*MOVE_LEN; j++)
14864 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
14865 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
14866 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
14867 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
14868 pvInfoList[firstMove+i-1].depth = 0;
14869 commentList[framePtr+i] = commentList[firstMove+i];
14870 commentList[firstMove+i] = NULL;
14874 forwardMostMove = currentMove; // truncte game so we can start variation
14875 if(storedGames == 1) GreyRevert(FALSE);
14879 PopTail(Boolean annotate)
14882 char buf[8000], moveBuf[20];
14884 if(appData.icsActive) return FALSE; // only in local mode
14885 if(!storedGames) return FALSE; // sanity
14888 ToNrEvent(savedFirst[storedGames]); // sets currentMove
14889 nrMoves = savedLast[storedGames] - currentMove;
14892 if(!WhiteOnMove(currentMove)) sprintf(buf, "(%d...", currentMove+2>>1);
14893 else strcpy(buf, "(");
14894 for(i=currentMove; i<forwardMostMove; i++) {
14896 sprintf(moveBuf, " %d. %s", i+2>>1, SavePart(parseList[i]));
14897 else sprintf(moveBuf, " %s", SavePart(parseList[i]));
14898 strcat(buf, moveBuf);
14899 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
14903 for(i=1; i<nrMoves; i++) { // copy last variation back
14904 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
14905 for(j=0; j<MOVE_LEN; j++)
14906 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
14907 for(j=0; j<2*MOVE_LEN; j++)
14908 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
14909 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
14910 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
14911 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
14912 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
14913 commentList[currentMove+i] = commentList[framePtr+i];
14914 commentList[framePtr+i] = NULL;
14916 if(annotate) AppendComment(currentMove+1, buf, FALSE);
14917 framePtr = savedFramePtr[storedGames];
14918 gameInfo.result = savedResult[storedGames];
14919 if(gameInfo.resultDetails != NULL) {
14920 free(gameInfo.resultDetails);
14922 gameInfo.resultDetails = savedDetails[storedGames];
14923 forwardMostMove = currentMove + nrMoves;
14924 if(storedGames == 0) GreyRevert(TRUE);
14930 { // remove all shelved variations
14932 for(i=0; i<storedGames; i++) {
14933 if(savedDetails[i])
14934 free(savedDetails[i]);
14935 savedDetails[i] = NULL;
14937 for(i=framePtr; i<MAX_MOVES; i++) {
14938 if(commentList[i]) free(commentList[i]);
14939 commentList[i] = NULL;
14941 framePtr = MAX_MOVES-1;