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 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)
1110 if (*appData.icsCommPort != NULLCHAR)
1112 sprintf(buf, _("Could not open comm port %s"),
1113 appData.icsCommPort);
1117 snprintf(buf, sizeof(buf), _("Could not connect to host %s, port %s"),
1118 appData.icsHost, appData.icsPort);
1120 DisplayFatalError(buf, err, 1);
1126 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1128 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1129 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1130 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1132 else if (appData.noChessProgram)
1141 if (*appData.cmailGameName != NULLCHAR)
1144 OpenLoopback(&cmailPR);
1146 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1150 DisplayMessage("", "");
1151 if (StrCaseCmp(appData.initialMode, "") == 0)
1153 initialMode = BeginningOfGame;
1155 else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0)
1157 initialMode = TwoMachinesPlay;
1159 else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0)
1161 initialMode = AnalyzeFile;
1163 else if (StrCaseCmp(appData.initialMode, "Analysis") == 0)
1165 initialMode = AnalyzeMode;
1167 else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0)
1169 initialMode = MachinePlaysWhite;
1171 else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0)
1173 initialMode = MachinePlaysBlack;
1175 else if (StrCaseCmp(appData.initialMode, "EditGame") == 0)
1177 initialMode = EditGame;
1179 else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0)
1181 initialMode = EditPosition;
1183 else if (StrCaseCmp(appData.initialMode, "Training") == 0)
1185 initialMode = Training;
1189 sprintf(buf, _("Unknown initialMode %s"), appData.initialMode);
1190 DisplayFatalError(buf, 0, 2);
1194 if (appData.matchMode)
1196 /* Set up machine vs. machine match */
1197 if (appData.noChessProgram)
1199 DisplayFatalError(_("Can't have a match with no chess programs"),
1205 if (*appData.loadGameFile != NULLCHAR)
1207 int index = appData.loadGameIndex; // [HGM] autoinc
1208 if(index<0) lastIndex = index = 1;
1209 if (!LoadGameFromFile(appData.loadGameFile,
1211 appData.loadGameFile, FALSE))
1213 DisplayFatalError(_("Bad game file"), 0, 1);
1217 else if (*appData.loadPositionFile != NULLCHAR)
1219 int index = appData.loadPositionIndex; // [HGM] autoinc
1220 if(index<0) lastIndex = index = 1;
1221 if (!LoadPositionFromFile(appData.loadPositionFile,
1223 appData.loadPositionFile))
1225 DisplayFatalError(_("Bad position file"), 0, 1);
1231 else if (*appData.cmailGameName != NULLCHAR)
1233 /* Set up cmail mode */
1234 ReloadCmailMsgEvent(TRUE);
1238 /* Set up other modes */
1239 if (initialMode == AnalyzeFile)
1241 if (*appData.loadGameFile == NULLCHAR)
1243 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1247 if (*appData.loadGameFile != NULLCHAR)
1249 (void) LoadGameFromFile(appData.loadGameFile,
1250 appData.loadGameIndex,
1251 appData.loadGameFile, TRUE);
1253 else if (*appData.loadPositionFile != NULLCHAR)
1255 (void) LoadPositionFromFile(appData.loadPositionFile,
1256 appData.loadPositionIndex,
1257 appData.loadPositionFile);
1258 /* [HGM] try to make self-starting even after FEN load */
1259 /* to allow automatic setup of fairy variants with wtm */
1260 if(initialMode == BeginningOfGame && !blackPlaysFirst)
1262 gameMode = BeginningOfGame;
1263 setboardSpoiledMachineBlack = 1;
1265 /* [HGM] loadPos: make that every new game uses the setup */
1266 /* from file as long as we do not switch variant */
1267 if(!blackPlaysFirst)
1269 startedFromPositionFile = TRUE;
1270 CopyBoard(filePosition, boards[0]);
1273 if (initialMode == AnalyzeMode)
1275 if (appData.noChessProgram)
1277 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1280 if (appData.icsActive)
1282 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1287 else if (initialMode == AnalyzeFile)
1289 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1290 ShowThinkingEvent();
1292 AnalysisPeriodicEvent(1);
1294 else if (initialMode == MachinePlaysWhite)
1296 if (appData.noChessProgram)
1298 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1302 if (appData.icsActive)
1304 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1308 MachineWhiteEvent();
1310 else if (initialMode == MachinePlaysBlack)
1312 if (appData.noChessProgram)
1314 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1318 if (appData.icsActive)
1320 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1324 MachineBlackEvent();
1326 else if (initialMode == TwoMachinesPlay)
1328 if (appData.noChessProgram)
1330 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1334 if (appData.icsActive)
1336 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1342 else if (initialMode == EditGame)
1346 else if (initialMode == EditPosition)
1348 EditPositionEvent();
1350 else if (initialMode == Training)
1352 if (*appData.loadGameFile == NULLCHAR)
1354 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1365 * Establish will establish a contact to a remote host.port.
1366 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1367 * used to talk to the host.
1368 * Returns 0 if okay, error code if not.
1375 if (*appData.icsCommPort != NULLCHAR) {
1376 /* Talk to the host through a serial comm port */
1377 return OpenCommPort(appData.icsCommPort, &icsPR);
1379 } else if (*appData.gateway != NULLCHAR) {
1380 if (*appData.remoteShell == NULLCHAR) {
1381 /* Use the rcmd protocol to run telnet program on a gateway host */
1382 snprintf(buf, sizeof(buf), "%s %s %s",
1383 appData.telnetProgram, appData.icsHost, appData.icsPort);
1384 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1387 /* Use the rsh program to run telnet program on a gateway host */
1388 if (*appData.remoteUser == NULLCHAR) {
1389 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1390 appData.gateway, appData.telnetProgram,
1391 appData.icsHost, appData.icsPort);
1393 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1394 appData.remoteShell, appData.gateway,
1395 appData.remoteUser, appData.telnetProgram,
1396 appData.icsHost, appData.icsPort);
1398 return StartChildProcess(buf, "", &icsPR);
1401 } else if (appData.useTelnet) {
1402 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1405 /* TCP socket interface differs somewhat between
1406 Unix and NT; handle details in the front end.
1408 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1413 show_bytes(fp, buf, count)
1419 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1420 fprintf(fp, "\\%03o", *buf & 0xff);
1429 /* Returns an errno value */
1431 OutputMaybeTelnet(pr, message, count, outError)
1437 char buf[8192], *p, *q, *buflim;
1438 int left, newcount, outcount;
1440 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1441 *appData.gateway != NULLCHAR) {
1442 if (appData.debugMode) {
1443 fprintf(debugFP, ">ICS: ");
1444 show_bytes(debugFP, message, count);
1445 fprintf(debugFP, "\n");
1447 return OutputToProcess(pr, message, count, outError);
1450 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1457 if (appData.debugMode) {
1458 fprintf(debugFP, ">ICS: ");
1459 show_bytes(debugFP, buf, newcount);
1460 fprintf(debugFP, "\n");
1462 outcount = OutputToProcess(pr, buf, newcount, outError);
1463 if (outcount < newcount) return -1; /* to be sure */
1470 } else if (((unsigned char) *p) == TN_IAC) {
1471 *q++ = (char) TN_IAC;
1478 if (appData.debugMode) {
1479 fprintf(debugFP, ">ICS: ");
1480 show_bytes(debugFP, buf, newcount);
1481 fprintf(debugFP, "\n");
1483 outcount = OutputToProcess(pr, buf, newcount, outError);
1484 if (outcount < newcount) return -1; /* to be sure */
1489 read_from_player(isr, closure, message, count, error)
1496 int outError, outCount;
1497 static int gotEof = 0;
1499 /* Pass data read from player on to ICS */
1502 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1503 if (outCount < count) {
1504 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1506 } else if (count < 0) {
1507 RemoveInputSource(isr);
1508 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1509 } else if (gotEof++ > 0) {
1510 RemoveInputSource(isr);
1511 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1517 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1518 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1519 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1520 SendToICS("date\n");
1521 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1524 /* added routine for printf style output to ics */
1525 void ics_printf(char *format, ...)
1527 char buffer[MSG_SIZ];
1530 va_start(args, format);
1531 vsnprintf(buffer, sizeof(buffer), format, args);
1532 buffer[sizeof(buffer)-1] = '\0';
1541 int count, outCount, outError;
1543 if (icsPR == NULL) return;
1546 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1547 if (outCount < count) {
1548 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1552 /* This is used for sending logon scripts to the ICS. Sending
1553 without a delay causes problems when using timestamp on ICC
1554 (at least on my machine). */
1556 SendToICSDelayed(s,msdelay)
1560 int count, outCount, outError;
1562 if (icsPR == NULL) return;
1565 if (appData.debugMode) {
1566 fprintf(debugFP, ">ICS: ");
1567 show_bytes(debugFP, s, count);
1568 fprintf(debugFP, "\n");
1570 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1572 if (outCount < count) {
1573 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1578 /* Remove all highlighting escape sequences in s
1579 Also deletes any suffix starting with '('
1582 StripHighlightAndTitle(s)
1585 static char retbuf[MSG_SIZ];
1588 while (*s != NULLCHAR) {
1589 while (*s == '\033') {
1590 while (*s != NULLCHAR && !isalpha(*s)) s++;
1591 if (*s != NULLCHAR) s++;
1593 while (*s != NULLCHAR && *s != '\033') {
1594 if (*s == '(' || *s == '[') {
1605 /* Remove all highlighting escape sequences in s */
1610 static char retbuf[MSG_SIZ];
1613 while (*s != NULLCHAR) {
1614 while (*s == '\033') {
1615 while (*s != NULLCHAR && !isalpha(*s)) s++;
1616 if (*s != NULLCHAR) s++;
1618 while (*s != NULLCHAR && *s != '\033') {
1626 char *variantNames[] = VARIANT_NAMES;
1631 return variantNames[v];
1635 /* Identify a variant from the strings the chess servers use or the
1636 PGN Variant tag names we use. */
1643 VariantClass v = VariantNormal;
1644 int i, found = FALSE;
1649 /* [HGM] skip over optional board-size prefixes */
1650 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1651 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1652 while( *e++ != '_');
1655 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1659 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1660 if (StrCaseStr(e, variantNames[i])) {
1661 v = (VariantClass) i;
1668 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1669 || StrCaseStr(e, "wild/fr")
1670 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1671 v = VariantFischeRandom;
1672 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1673 (i = 1, p = StrCaseStr(e, "w"))) {
1675 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
1682 case 0: /* FICS only, actually */
1684 /* Castling legal even if K starts on d-file */
1685 v = VariantWildCastle;
1690 /* Castling illegal even if K & R happen to start in
1691 normal positions. */
1692 v = VariantNoCastle;
1705 /* Castling legal iff K & R start in normal positions */
1711 /* Special wilds for position setup; unclear what to do here */
1712 v = VariantLoadable;
1715 /* Bizarre ICC game */
1716 v = VariantTwoKings;
1719 v = VariantKriegspiel;
1725 v = VariantFischeRandom;
1728 v = VariantCrazyhouse;
1731 v = VariantBughouse;
1737 /* Not quite the same as FICS suicide! */
1738 v = VariantGiveaway;
1744 v = VariantShatranj;
1747 /* Temporary names for future ICC types. The name *will* change in
1748 the next xboard/WinBoard release after ICC defines it. */
1786 v = VariantCapablanca;
1789 v = VariantKnightmate;
1795 v = VariantCylinder;
1801 v = VariantCapaRandom;
1804 v = VariantBerolina;
1816 /* Found "wild" or "w" in the string but no number;
1817 must assume it's normal chess. */
1821 sprintf(buf, _("Unknown wild type %d"), wnum);
1822 DisplayError(buf, 0);
1828 if (appData.debugMode) {
1829 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
1830 e, wnum, VariantName(v));
1835 static int leftover_start = 0, leftover_len = 0;
1836 char star_match[STAR_MATCH_N][MSG_SIZ];
1838 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
1839 advance *index beyond it, and set leftover_start to the new value of
1840 *index; else return FALSE. If pattern contains the character '*', it
1841 matches any sequence of characters not containing '\r', '\n', or the
1842 character following the '*' (if any), and the matched sequence(s) are
1843 copied into star_match.
1846 looking_at(buf, index, pattern)
1851 char *bufp = &buf[*index], *patternp = pattern;
1853 char *matchp = star_match[0];
1856 if (*patternp == NULLCHAR) {
1857 *index = leftover_start = bufp - buf;
1861 if (*bufp == NULLCHAR) return FALSE;
1862 if (*patternp == '*') {
1863 if (*bufp == *(patternp + 1)) {
1865 matchp = star_match[++star_count];
1869 } else if (*bufp == '\n' || *bufp == '\r') {
1871 if (*patternp == NULLCHAR)
1876 *matchp++ = *bufp++;
1880 if (*patternp != *bufp) return FALSE;
1887 SendToPlayer(data, length)
1891 int error, outCount;
1892 outCount = OutputToProcess(NoProc, data, length, &error);
1893 if (outCount < length) {
1894 DisplayFatalError(_("Error writing to display"), error, 1);
1899 PackHolding(packed, holding)
1911 switch (runlength) {
1922 sprintf(q, "%d", runlength);
1934 /* Telnet protocol requests from the front end */
1936 TelnetRequest(ddww, option)
1937 unsigned char ddww, option;
1939 unsigned char msg[3];
1940 int outCount, outError;
1942 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
1944 if (appData.debugMode) {
1945 char buf1[8], buf2[8], *ddwwStr, *optionStr;
1961 sprintf(buf1, "%d", ddww);
1970 sprintf(buf2, "%d", option);
1973 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
1978 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
1980 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1987 if (!appData.icsActive) return;
1988 TelnetRequest(TN_DO, TN_ECHO);
1994 if (!appData.icsActive) return;
1995 TelnetRequest(TN_DONT, TN_ECHO);
1999 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
2001 /* put the holdings sent to us by the server on the board holdings area */
2002 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2006 if(gameInfo.holdingsWidth < 2) return;
2007 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2008 return; // prevent overwriting by pre-board holdings
2010 if( (int)lowestPiece >= BlackPawn ) {
2013 holdingsStartRow = BOARD_HEIGHT-1;
2016 holdingsColumn = BOARD_WIDTH-1;
2017 countsColumn = BOARD_WIDTH-2;
2018 holdingsStartRow = 0;
2022 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2023 board[i][holdingsColumn] = EmptySquare;
2024 board[i][countsColumn] = (ChessSquare) 0;
2026 while( (p=*holdings++) != NULLCHAR ) {
2027 piece = CharToPiece( ToUpper(p) );
2028 if(piece == EmptySquare) continue;
2029 /*j = (int) piece - (int) WhitePawn;*/
2030 j = PieceToNumber(piece);
2031 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2032 if(j < 0) continue; /* should not happen */
2033 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2034 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2035 board[holdingsStartRow+j*direction][countsColumn]++;
2041 VariantSwitch(Board board, VariantClass newVariant)
2043 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2046 startedFromPositionFile = FALSE;
2047 if(gameInfo.variant == newVariant) return;
2049 /* [HGM] This routine is called each time an assignment is made to
2050 * gameInfo.variant during a game, to make sure the board sizes
2051 * are set to match the new variant. If that means adding or deleting
2052 * holdings, we shift the playing board accordingly
2053 * This kludge is needed because in ICS observe mode, we get boards
2054 * of an ongoing game without knowing the variant, and learn about the
2055 * latter only later. This can be because of the move list we requested,
2056 * in which case the game history is refilled from the beginning anyway,
2057 * but also when receiving holdings of a crazyhouse game. In the latter
2058 * case we want to add those holdings to the already received position.
2061 if (appData.debugMode) {
2062 fprintf(debugFP, "Switch board from %s to %s\n",
2063 VariantName(gameInfo.variant), VariantName(newVariant));
2064 setbuf(debugFP, NULL);
2066 shuffleOpenings = 0; /* [HGM] shuffle */
2067 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2071 newWidth = 9; newHeight = 9;
2072 gameInfo.holdingsSize = 7;
2073 case VariantBughouse:
2074 case VariantCrazyhouse:
2075 newHoldingsWidth = 2; break;
2079 newHoldingsWidth = 2;
2080 gameInfo.holdingsSize = 8;
2083 case VariantCapablanca:
2084 case VariantCapaRandom:
2087 newHoldingsWidth = gameInfo.holdingsSize = 0;
2090 if(newWidth != gameInfo.boardWidth ||
2091 newHeight != gameInfo.boardHeight ||
2092 newHoldingsWidth != gameInfo.holdingsWidth ) {
2094 /* shift position to new playing area, if needed */
2095 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2096 for(i=0; i<BOARD_HEIGHT; i++)
2097 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2098 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2100 for(i=0; i<newHeight; i++) {
2101 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2102 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2104 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2105 for(i=0; i<BOARD_HEIGHT; i++)
2106 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2107 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2110 gameInfo.boardWidth = newWidth;
2111 gameInfo.boardHeight = newHeight;
2112 gameInfo.holdingsWidth = newHoldingsWidth;
2113 gameInfo.variant = newVariant;
2114 InitDrawingSizes(-2, 0);
2115 } else gameInfo.variant = newVariant;
2116 CopyBoard(oldBoard, board); // remember correctly formatted board
2117 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2118 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2121 static int loggedOn = FALSE;
2123 /*-- Game start info cache: --*/
2125 char gs_kind[MSG_SIZ];
2126 static char player1Name[128] = "";
2127 static char player2Name[128] = "";
2128 static char cont_seq[] = "\n\\ ";
2129 static int player1Rating = -1;
2130 static int player2Rating = -1;
2131 /*----------------------------*/
2133 ColorClass curColor = ColorNormal;
2134 int suppressKibitz = 0;
2137 Boolean soughtPending = FALSE;
2138 Boolean seekGraphUp;
2139 #define MAX_SEEK_ADS 200
2141 char *seekAdList[MAX_SEEK_ADS];
2142 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2143 float tcList[MAX_SEEK_ADS];
2144 char colorList[MAX_SEEK_ADS];
2145 int nrOfSeekAds = 0;
2146 int minRating = 1010, maxRating = 2800;
2147 int hMargin = 10, vMargin = 20, h, w;
2148 extern int squareSize, lineGap;
2153 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2154 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2155 if(r < minRating+100 && r >=0 ) r = minRating+100;
2156 if(r > maxRating) r = maxRating;
2157 if(tc < 1.) tc = 1.;
2158 if(tc > 95.) tc = 95.;
2159 x = (w-hMargin)* log(tc)/log(100.) + hMargin;
2160 y = ((double)r - minRating)/(maxRating - minRating)
2161 * (h-vMargin-squareSize/8-1) + vMargin;
2162 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2163 if(strstr(seekAdList[i], " u ")) color = 1;
2164 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2165 !strstr(seekAdList[i], "bullet") &&
2166 !strstr(seekAdList[i], "blitz") &&
2167 !strstr(seekAdList[i], "standard") ) color = 2;
2168 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2169 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2173 AddAd(char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2175 char buf[MSG_SIZ], *ext = "";
2176 VariantClass v = StringToVariant(type);
2177 if(strstr(type, "wild")) {
2178 ext = type + 4; // append wild number
2179 if(v == VariantFischeRandom) type = "chess960"; else
2180 if(v == VariantLoadable) type = "setup"; else
2181 type = VariantName(v);
2183 sprintf(buf, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2184 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2185 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2186 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2187 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2188 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2189 seekNrList[nrOfSeekAds] = nr;
2190 zList[nrOfSeekAds] = 0;
2191 seekAdList[nrOfSeekAds++] = StrSave(buf);
2192 if(plot) PlotSeekAd(nrOfSeekAds-1);
2199 int x = xList[i], y = yList[i], d=squareSize/4, k;
2200 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2201 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2202 // now replot every dot that overlapped
2203 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2204 int xx = xList[k], yy = yList[k];
2205 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2206 DrawSeekDot(xx, yy, colorList[k]);
2211 RemoveSeekAd(int nr)
2214 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2216 if(seekAdList[i]) free(seekAdList[i]);
2217 seekAdList[i] = seekAdList[--nrOfSeekAds];
2218 seekNrList[i] = seekNrList[nrOfSeekAds];
2219 ratingList[i] = ratingList[nrOfSeekAds];
2220 colorList[i] = colorList[nrOfSeekAds];
2221 tcList[i] = tcList[nrOfSeekAds];
2222 xList[i] = xList[nrOfSeekAds];
2223 yList[i] = yList[nrOfSeekAds];
2224 zList[i] = zList[nrOfSeekAds];
2225 seekAdList[nrOfSeekAds] = NULL;
2231 MatchSoughtLine(char *line)
2233 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2234 int nr, base, inc, u=0; char dummy;
2236 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2237 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2239 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2240 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2241 // match: compact and save the line
2242 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2251 if(!seekGraphUp) return FALSE;
2253 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2254 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2256 DrawSeekBackground(0, 0, w, h);
2257 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2258 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2259 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2260 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2262 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2265 sprintf(buf, "%d", i);
2266 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2269 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2270 for(i=1; i<100; i+=(i<10?1:5)) {
2271 int xx = (w-hMargin)* log((double)i)/log(100.) + hMargin;
2272 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2273 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2275 sprintf(buf, "%d", i);
2276 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2279 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2283 int SeekGraphClick(ClickType click, int x, int y, int moving)
2285 static int lastDown = 0, displayed = 0, lastSecond;
2286 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2287 if(click == Release || moving) return FALSE;
2289 soughtPending = TRUE;
2290 SendToICS(ics_prefix);
2291 SendToICS("sought\n"); // should this be "sought all"?
2292 } else { // issue challenge based on clicked ad
2293 int dist = 10000; int i, closest = 0, second = 0;
2294 for(i=0; i<nrOfSeekAds; i++) {
2295 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2296 if(d < dist) { dist = d; closest = i; }
2297 second += (d - zList[i] < 120); // count in-range ads
2298 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2302 second = (second > 1);
2303 if(displayed != closest || second != lastSecond) {
2304 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2305 lastSecond = second; displayed = closest;
2307 sprintf(buf, "play %d\n", seekNrList[closest]);
2308 if(click == Press) {
2309 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2312 } // on press 'hit', only show info
2313 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2314 SendToICS(ics_prefix);
2315 SendToICS(buf); // should this be "sought all"?
2316 } else if(click == Release) { // release 'miss' is ignored
2317 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2318 if(moving == 2) { // right up-click
2319 nrOfSeekAds = 0; // refresh graph
2320 soughtPending = TRUE;
2321 SendToICS(ics_prefix);
2322 SendToICS("sought\n"); // should this be "sought all"?
2325 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2326 // press miss or release hit 'pop down' seek graph
2327 seekGraphUp = FALSE;
2328 DrawPosition(TRUE, NULL);
2334 read_from_ics(isr, closure, data, count, error)
2341 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2342 #define STARTED_NONE 0
2343 #define STARTED_MOVES 1
2344 #define STARTED_BOARD 2
2345 #define STARTED_OBSERVE 3
2346 #define STARTED_HOLDINGS 4
2347 #define STARTED_CHATTER 5
2348 #define STARTED_COMMENT 6
2349 #define STARTED_MOVES_NOHIDE 7
2351 static int started = STARTED_NONE;
2352 static char parse[20000];
2353 static int parse_pos = 0;
2354 static char buf[BUF_SIZE + 1];
2355 static int firstTime = TRUE, intfSet = FALSE;
2356 static ColorClass prevColor = ColorNormal;
2357 static int savingComment = FALSE;
2358 static int cmatch = 0; // continuation sequence match
2365 int backup; /* [DM] For zippy color lines */
2367 char talker[MSG_SIZ]; // [HGM] chat
2370 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2372 if (appData.debugMode) {
2374 fprintf(debugFP, "<ICS: ");
2375 show_bytes(debugFP, data, count);
2376 fprintf(debugFP, "\n");
2380 if (appData.debugMode) { int f = forwardMostMove;
2381 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2382 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2383 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2386 /* If last read ended with a partial line that we couldn't parse,
2387 prepend it to the new read and try again. */
2388 if (leftover_len > 0) {
2389 for (i=0; i<leftover_len; i++)
2390 buf[i] = buf[leftover_start + i];
2393 /* copy new characters into the buffer */
2394 bp = buf + leftover_len;
2395 buf_len=leftover_len;
2396 for (i=0; i<count; i++)
2399 if (data[i] == '\r')
2402 // join lines split by ICS?
2403 if (!appData.noJoin)
2406 Joining just consists of finding matches against the
2407 continuation sequence, and discarding that sequence
2408 if found instead of copying it. So, until a match
2409 fails, there's nothing to do since it might be the
2410 complete sequence, and thus, something we don't want
2413 if (data[i] == cont_seq[cmatch])
2416 if (cmatch == strlen(cont_seq))
2418 cmatch = 0; // complete match. just reset the counter
2421 it's possible for the ICS to not include the space
2422 at the end of the last word, making our [correct]
2423 join operation fuse two separate words. the server
2424 does this when the space occurs at the width setting.
2426 if (!buf_len || buf[buf_len-1] != ' ')
2437 match failed, so we have to copy what matched before
2438 falling through and copying this character. In reality,
2439 this will only ever be just the newline character, but
2440 it doesn't hurt to be precise.
2442 strncpy(bp, cont_seq, cmatch);
2454 buf[buf_len] = NULLCHAR;
2455 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2460 while (i < buf_len) {
2461 /* Deal with part of the TELNET option negotiation
2462 protocol. We refuse to do anything beyond the
2463 defaults, except that we allow the WILL ECHO option,
2464 which ICS uses to turn off password echoing when we are
2465 directly connected to it. We reject this option
2466 if localLineEditing mode is on (always on in xboard)
2467 and we are talking to port 23, which might be a real
2468 telnet server that will try to keep WILL ECHO on permanently.
2470 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2471 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2472 unsigned char option;
2474 switch ((unsigned char) buf[++i]) {
2476 if (appData.debugMode)
2477 fprintf(debugFP, "\n<WILL ");
2478 switch (option = (unsigned char) buf[++i]) {
2480 if (appData.debugMode)
2481 fprintf(debugFP, "ECHO ");
2482 /* Reply only if this is a change, according
2483 to the protocol rules. */
2484 if (remoteEchoOption) break;
2485 if (appData.localLineEditing &&
2486 atoi(appData.icsPort) == TN_PORT) {
2487 TelnetRequest(TN_DONT, TN_ECHO);
2490 TelnetRequest(TN_DO, TN_ECHO);
2491 remoteEchoOption = TRUE;
2495 if (appData.debugMode)
2496 fprintf(debugFP, "%d ", option);
2497 /* Whatever this is, we don't want it. */
2498 TelnetRequest(TN_DONT, option);
2503 if (appData.debugMode)
2504 fprintf(debugFP, "\n<WONT ");
2505 switch (option = (unsigned char) buf[++i]) {
2507 if (appData.debugMode)
2508 fprintf(debugFP, "ECHO ");
2509 /* Reply only if this is a change, according
2510 to the protocol rules. */
2511 if (!remoteEchoOption) break;
2513 TelnetRequest(TN_DONT, TN_ECHO);
2514 remoteEchoOption = FALSE;
2517 if (appData.debugMode)
2518 fprintf(debugFP, "%d ", (unsigned char) option);
2519 /* Whatever this is, it must already be turned
2520 off, because we never agree to turn on
2521 anything non-default, so according to the
2522 protocol rules, we don't reply. */
2527 if (appData.debugMode)
2528 fprintf(debugFP, "\n<DO ");
2529 switch (option = (unsigned char) buf[++i]) {
2531 /* Whatever this is, we refuse to do it. */
2532 if (appData.debugMode)
2533 fprintf(debugFP, "%d ", option);
2534 TelnetRequest(TN_WONT, option);
2539 if (appData.debugMode)
2540 fprintf(debugFP, "\n<DONT ");
2541 switch (option = (unsigned char) buf[++i]) {
2543 if (appData.debugMode)
2544 fprintf(debugFP, "%d ", option);
2545 /* Whatever this is, we are already not doing
2546 it, because we never agree to do anything
2547 non-default, so according to the protocol
2548 rules, we don't reply. */
2553 if (appData.debugMode)
2554 fprintf(debugFP, "\n<IAC ");
2555 /* Doubled IAC; pass it through */
2559 if (appData.debugMode)
2560 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2561 /* Drop all other telnet commands on the floor */
2564 if (oldi > next_out)
2565 SendToPlayer(&buf[next_out], oldi - next_out);
2571 /* OK, this at least will *usually* work */
2572 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2576 if (loggedOn && !intfSet) {
2577 if (ics_type == ICS_ICC) {
2579 "/set-quietly interface %s\n/set-quietly style 12\n",
2581 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2582 strcat(str, "/set-2 51 1\n/set seek 1\n");
2583 } else if (ics_type == ICS_CHESSNET) {
2584 sprintf(str, "/style 12\n");
2586 strcpy(str, "alias $ @\n$set interface ");
2587 strcat(str, programVersion);
2588 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2589 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2590 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2592 strcat(str, "$iset nohighlight 1\n");
2594 strcat(str, "$iset lock 1\n$style 12\n");
2597 NotifyFrontendLogin();
2601 if (started == STARTED_COMMENT) {
2602 /* Accumulate characters in comment */
2603 parse[parse_pos++] = buf[i];
2604 if (buf[i] == '\n') {
2605 parse[parse_pos] = NULLCHAR;
2606 if(chattingPartner>=0) {
2608 sprintf(mess, "%s%s", talker, parse);
2609 OutputChatMessage(chattingPartner, mess);
2610 chattingPartner = -1;
2612 if(!suppressKibitz) // [HGM] kibitz
2613 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2614 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2615 int nrDigit = 0, nrAlph = 0, j;
2616 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2617 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2618 parse[parse_pos] = NULLCHAR;
2619 // try to be smart: if it does not look like search info, it should go to
2620 // ICS interaction window after all, not to engine-output window.
2621 for(j=0; j<parse_pos; j++) { // count letters and digits
2622 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2623 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2624 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2626 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2627 int depth=0; float score;
2628 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2629 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2630 pvInfoList[forwardMostMove-1].depth = depth;
2631 pvInfoList[forwardMostMove-1].score = 100*score;
2633 OutputKibitz(suppressKibitz, parse);
2634 next_out = i+1; // [HGM] suppress printing in ICS window
2637 sprintf(tmp, _("your opponent kibitzes: %s"), parse);
2638 SendToPlayer(tmp, strlen(tmp));
2641 started = STARTED_NONE;
2643 /* Don't match patterns against characters in comment */
2648 if (started == STARTED_CHATTER) {
2649 if (buf[i] != '\n') {
2650 /* Don't match patterns against characters in chatter */
2654 started = STARTED_NONE;
2657 /* Kludge to deal with rcmd protocol */
2658 if (firstTime && looking_at(buf, &i, "\001*")) {
2659 DisplayFatalError(&buf[1], 0, 1);
2665 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2668 if (appData.debugMode)
2669 fprintf(debugFP, "ics_type %d\n", ics_type);
2672 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2673 ics_type = ICS_FICS;
2675 if (appData.debugMode)
2676 fprintf(debugFP, "ics_type %d\n", ics_type);
2679 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
2680 ics_type = ICS_CHESSNET;
2682 if (appData.debugMode)
2683 fprintf(debugFP, "ics_type %d\n", ics_type);
2688 (looking_at(buf, &i, "\"*\" is *a registered name") ||
2689 looking_at(buf, &i, "Logging you in as \"*\"") ||
2690 looking_at(buf, &i, "will be \"*\""))) {
2691 strcpy(ics_handle, star_match[0]);
2695 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
2697 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
2698 DisplayIcsInteractionTitle(buf);
2699 have_set_title = TRUE;
2702 /* skip finger notes */
2703 if (started == STARTED_NONE &&
2704 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
2705 (buf[i] == '1' && buf[i+1] == '0')) &&
2706 buf[i+2] == ':' && buf[i+3] == ' ') {
2707 started = STARTED_CHATTER;
2712 // [HGM] seekgraph: recognize sought lines and end-of-sought message
2713 if(appData.seekGraph) {
2714 if(soughtPending && MatchSoughtLine(buf+i)) {
2715 i = strstr(buf+i, "rated") - buf;
2716 next_out = leftover_start = i;
2717 started = STARTED_CHATTER;
2718 suppressKibitz = TRUE;
2721 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
2722 && looking_at(buf, &i, "* ads displayed")) {
2723 soughtPending = FALSE;
2728 if(appData.autoRefresh) {
2729 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
2730 int s = (ics_type == ICS_ICC); // ICC format differs
2732 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
2733 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
2734 looking_at(buf, &i, "*% "); // eat prompt
2735 next_out = i; // suppress
2738 if(looking_at(buf, &i, "Ads removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
2739 char *p = star_match[0];
2741 if(seekGraphUp) RemoveSeekAd(atoi(p));
2742 while(*p && *p++ != ' '); // next
2744 looking_at(buf, &i, "*% "); // eat prompt
2751 /* skip formula vars */
2752 if (started == STARTED_NONE &&
2753 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
2754 started = STARTED_CHATTER;
2760 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
2761 if (appData.autoKibitz && started == STARTED_NONE &&
2762 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
2763 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
2764 if(looking_at(buf, &i, "* kibitzes: ") &&
2765 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
2766 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
2767 suppressKibitz = TRUE;
2768 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
2769 && (gameMode == IcsPlayingWhite)) ||
2770 (StrStr(star_match[0], gameInfo.black) == star_match[0]
2771 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
2772 started = STARTED_CHATTER; // own kibitz we simply discard
2774 started = STARTED_COMMENT; // make sure it will be collected in parse[]
2775 parse_pos = 0; parse[0] = NULLCHAR;
2776 savingComment = TRUE;
2777 suppressKibitz = gameMode != IcsObserving ? 2 :
2778 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
2782 if(looking_at(buf, &i, "kibitzed to *\n") && atoi(star_match[0])) {
2783 // suppress the acknowledgements of our own autoKibitz
2785 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
2786 SendToPlayer(star_match[0], strlen(star_match[0]));
2787 looking_at(buf, &i, "*% "); // eat prompt
2790 } // [HGM] kibitz: end of patch
2792 //if(appData.debugMode) fprintf(debugFP, "hunt for tell, buf = %s\n", buf+i);
2794 // [HGM] chat: intercept tells by users for which we have an open chat window
2796 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
2797 looking_at(buf, &i, "* whispers:") ||
2798 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
2799 looking_at(buf, &i, "*(*)(*):") && sscanf(star_match[2], "%d", &channel) == 1 )) {
2801 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
2802 chattingPartner = -1;
2804 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
2805 for(p=0; p<MAX_CHAT; p++) {
2806 if(channel == atoi(chatPartner[p])) {
2807 talker[0] = '['; strcat(talker, "] ");
2808 chattingPartner = p; break;
2811 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
2812 for(p=0; p<MAX_CHAT; p++) {
2813 if(!strcmp("WHISPER", chatPartner[p])) {
2814 talker[0] = '['; strcat(talker, "] ");
2815 chattingPartner = p; break;
2818 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
2819 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
2821 chattingPartner = p; break;
2823 if(chattingPartner<0) i = oldi; else {
2824 started = STARTED_COMMENT;
2825 parse_pos = 0; parse[0] = NULLCHAR;
2826 savingComment = 3 + chattingPartner; // counts as TRUE
2827 suppressKibitz = TRUE;
2829 } // [HGM] chat: end of patch
2831 if (appData.zippyTalk || appData.zippyPlay) {
2832 /* [DM] Backup address for color zippy lines */
2836 if (loggedOn == TRUE)
2837 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
2838 (appData.zippyPlay && ZippyMatch(buf, &backup)));
2840 if (ZippyControl(buf, &i) ||
2841 ZippyConverse(buf, &i) ||
2842 (appData.zippyPlay && ZippyMatch(buf, &i))) {
2844 if (!appData.colorize) continue;
2848 } // [DM] 'else { ' deleted
2850 /* Regular tells and says */
2851 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
2852 looking_at(buf, &i, "* (your partner) tells you: ") ||
2853 looking_at(buf, &i, "* says: ") ||
2854 /* Don't color "message" or "messages" output */
2855 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
2856 looking_at(buf, &i, "*. * at *:*: ") ||
2857 looking_at(buf, &i, "--* (*:*): ") ||
2858 /* Message notifications (same color as tells) */
2859 looking_at(buf, &i, "* has left a message ") ||
2860 looking_at(buf, &i, "* just sent you a message:\n") ||
2861 /* Whispers and kibitzes */
2862 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
2863 looking_at(buf, &i, "* kibitzes: ") ||
2865 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
2867 if (tkind == 1 && strchr(star_match[0], ':')) {
2868 /* Avoid "tells you:" spoofs in channels */
2871 if (star_match[0][0] == NULLCHAR ||
2872 strchr(star_match[0], ' ') ||
2873 (tkind == 3 && strchr(star_match[1], ' '))) {
2874 /* Reject bogus matches */
2877 if (appData.colorize) {
2878 if (oldi > next_out) {
2879 SendToPlayer(&buf[next_out], oldi - next_out);
2884 Colorize(ColorTell, FALSE);
2885 curColor = ColorTell;
2888 Colorize(ColorKibitz, FALSE);
2889 curColor = ColorKibitz;
2892 p = strrchr(star_match[1], '(');
2899 Colorize(ColorChannel1, FALSE);
2900 curColor = ColorChannel1;
2902 Colorize(ColorChannel, FALSE);
2903 curColor = ColorChannel;
2907 curColor = ColorNormal;
2911 if (started == STARTED_NONE && appData.autoComment &&
2912 (gameMode == IcsObserving ||
2913 gameMode == IcsPlayingWhite ||
2914 gameMode == IcsPlayingBlack)) {
2915 parse_pos = i - oldi;
2916 memcpy(parse, &buf[oldi], parse_pos);
2917 parse[parse_pos] = NULLCHAR;
2918 started = STARTED_COMMENT;
2919 savingComment = TRUE;
2921 started = STARTED_CHATTER;
2922 savingComment = FALSE;
2929 if (looking_at(buf, &i, "* s-shouts: ") ||
2930 looking_at(buf, &i, "* c-shouts: ")) {
2931 if (appData.colorize) {
2932 if (oldi > next_out) {
2933 SendToPlayer(&buf[next_out], oldi - next_out);
2936 Colorize(ColorSShout, FALSE);
2937 curColor = ColorSShout;
2940 started = STARTED_CHATTER;
2944 if (looking_at(buf, &i, "--->")) {
2949 if (looking_at(buf, &i, "* shouts: ") ||
2950 looking_at(buf, &i, "--> ")) {
2951 if (appData.colorize) {
2952 if (oldi > next_out) {
2953 SendToPlayer(&buf[next_out], oldi - next_out);
2956 Colorize(ColorShout, FALSE);
2957 curColor = ColorShout;
2960 started = STARTED_CHATTER;
2964 if (looking_at( buf, &i, "Challenge:")) {
2965 if (appData.colorize) {
2966 if (oldi > next_out) {
2967 SendToPlayer(&buf[next_out], oldi - next_out);
2970 Colorize(ColorChallenge, FALSE);
2971 curColor = ColorChallenge;
2977 if (looking_at(buf, &i, "* offers you") ||
2978 looking_at(buf, &i, "* offers to be") ||
2979 looking_at(buf, &i, "* would like to") ||
2980 looking_at(buf, &i, "* requests to") ||
2981 looking_at(buf, &i, "Your opponent offers") ||
2982 looking_at(buf, &i, "Your opponent requests")) {
2984 if (appData.colorize) {
2985 if (oldi > next_out) {
2986 SendToPlayer(&buf[next_out], oldi - next_out);
2989 Colorize(ColorRequest, FALSE);
2990 curColor = ColorRequest;
2995 if (looking_at(buf, &i, "* (*) seeking")) {
2996 if (appData.colorize) {
2997 if (oldi > next_out) {
2998 SendToPlayer(&buf[next_out], oldi - next_out);
3001 Colorize(ColorSeek, FALSE);
3002 curColor = ColorSeek;
3007 if (looking_at(buf, &i, "\\ ")) {
3008 if (prevColor != ColorNormal) {
3009 if (oldi > next_out) {
3010 SendToPlayer(&buf[next_out], oldi - next_out);
3013 Colorize(prevColor, TRUE);
3014 curColor = prevColor;
3016 if (savingComment) {
3017 parse_pos = i - oldi;
3018 memcpy(parse, &buf[oldi], parse_pos);
3019 parse[parse_pos] = NULLCHAR;
3020 started = STARTED_COMMENT;
3021 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3022 chattingPartner = savingComment - 3; // kludge to remember the box
3024 started = STARTED_CHATTER;
3029 if (looking_at(buf, &i, "Black Strength :") ||
3030 looking_at(buf, &i, "<<< style 10 board >>>") ||
3031 looking_at(buf, &i, "<10>") ||
3032 looking_at(buf, &i, "#@#")) {
3033 /* Wrong board style */
3035 SendToICS(ics_prefix);
3036 SendToICS("set style 12\n");
3037 SendToICS(ics_prefix);
3038 SendToICS("refresh\n");
3042 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3044 have_sent_ICS_logon = 1;
3048 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3049 (looking_at(buf, &i, "\n<12> ") ||
3050 looking_at(buf, &i, "<12> "))) {
3052 if (oldi > next_out) {
3053 SendToPlayer(&buf[next_out], oldi - next_out);
3056 started = STARTED_BOARD;
3061 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3062 looking_at(buf, &i, "<b1> ")) {
3063 if (oldi > next_out) {
3064 SendToPlayer(&buf[next_out], oldi - next_out);
3067 started = STARTED_HOLDINGS;
3072 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3074 /* Header for a move list -- first line */
3076 switch (ics_getting_history) {
3080 case BeginningOfGame:
3081 /* User typed "moves" or "oldmoves" while we
3082 were idle. Pretend we asked for these
3083 moves and soak them up so user can step
3084 through them and/or save them.
3087 gameMode = IcsObserving;
3090 ics_getting_history = H_GOT_UNREQ_HEADER;
3092 case EditGame: /*?*/
3093 case EditPosition: /*?*/
3094 /* Should above feature work in these modes too? */
3095 /* For now it doesn't */
3096 ics_getting_history = H_GOT_UNWANTED_HEADER;
3099 ics_getting_history = H_GOT_UNWANTED_HEADER;
3104 /* Is this the right one? */
3105 if (gameInfo.white && gameInfo.black &&
3106 strcmp(gameInfo.white, star_match[0]) == 0 &&
3107 strcmp(gameInfo.black, star_match[2]) == 0) {
3109 ics_getting_history = H_GOT_REQ_HEADER;
3112 case H_GOT_REQ_HEADER:
3113 case H_GOT_UNREQ_HEADER:
3114 case H_GOT_UNWANTED_HEADER:
3115 case H_GETTING_MOVES:
3116 /* Should not happen */
3117 DisplayError(_("Error gathering move list: two headers"), 0);
3118 ics_getting_history = H_FALSE;
3122 /* Save player ratings into gameInfo if needed */
3123 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3124 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3125 (gameInfo.whiteRating == -1 ||
3126 gameInfo.blackRating == -1)) {
3128 gameInfo.whiteRating = string_to_rating(star_match[1]);
3129 gameInfo.blackRating = string_to_rating(star_match[3]);
3130 if (appData.debugMode)
3131 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3132 gameInfo.whiteRating, gameInfo.blackRating);
3137 if (looking_at(buf, &i,
3138 "* * match, initial time: * minute*, increment: * second")) {
3139 /* Header for a move list -- second line */
3140 /* Initial board will follow if this is a wild game */
3141 if (gameInfo.event != NULL) free(gameInfo.event);
3142 sprintf(str, "ICS %s %s match", star_match[0], star_match[1]);
3143 gameInfo.event = StrSave(str);
3144 /* [HGM] we switched variant. Translate boards if needed. */
3145 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3149 if (looking_at(buf, &i, "Move ")) {
3150 /* Beginning of a move list */
3151 switch (ics_getting_history) {
3153 /* Normally should not happen */
3154 /* Maybe user hit reset while we were parsing */
3157 /* Happens if we are ignoring a move list that is not
3158 * the one we just requested. Common if the user
3159 * tries to observe two games without turning off
3162 case H_GETTING_MOVES:
3163 /* Should not happen */
3164 DisplayError(_("Error gathering move list: nested"), 0);
3165 ics_getting_history = H_FALSE;
3167 case H_GOT_REQ_HEADER:
3168 ics_getting_history = H_GETTING_MOVES;
3169 started = STARTED_MOVES;
3171 if (oldi > next_out) {
3172 SendToPlayer(&buf[next_out], oldi - next_out);
3175 case H_GOT_UNREQ_HEADER:
3176 ics_getting_history = H_GETTING_MOVES;
3177 started = STARTED_MOVES_NOHIDE;
3180 case H_GOT_UNWANTED_HEADER:
3181 ics_getting_history = H_FALSE;
3187 if (looking_at(buf, &i, "% ") ||
3188 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3189 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3190 if(ics_type == ICS_ICC && soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3191 soughtPending = FALSE;
3195 if(suppressKibitz) next_out = i;
3196 savingComment = FALSE;
3200 case STARTED_MOVES_NOHIDE:
3201 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3202 parse[parse_pos + i - oldi] = NULLCHAR;
3203 ParseGameHistory(parse);
3205 if (appData.zippyPlay && first.initDone) {
3206 FeedMovesToProgram(&first, forwardMostMove);
3207 if (gameMode == IcsPlayingWhite) {
3208 if (WhiteOnMove(forwardMostMove)) {
3209 if (first.sendTime) {
3210 if (first.useColors) {
3211 SendToProgram("black\n", &first);
3213 SendTimeRemaining(&first, TRUE);
3215 if (first.useColors) {
3216 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3218 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3219 first.maybeThinking = TRUE;
3221 if (first.usePlayother) {
3222 if (first.sendTime) {
3223 SendTimeRemaining(&first, TRUE);
3225 SendToProgram("playother\n", &first);
3231 } else if (gameMode == IcsPlayingBlack) {
3232 if (!WhiteOnMove(forwardMostMove)) {
3233 if (first.sendTime) {
3234 if (first.useColors) {
3235 SendToProgram("white\n", &first);
3237 SendTimeRemaining(&first, FALSE);
3239 if (first.useColors) {
3240 SendToProgram("black\n", &first);
3242 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3243 first.maybeThinking = TRUE;
3245 if (first.usePlayother) {
3246 if (first.sendTime) {
3247 SendTimeRemaining(&first, FALSE);
3249 SendToProgram("playother\n", &first);
3258 if (gameMode == IcsObserving && ics_gamenum == -1) {
3259 /* Moves came from oldmoves or moves command
3260 while we weren't doing anything else.
3262 currentMove = forwardMostMove;
3263 ClearHighlights();/*!!could figure this out*/
3264 flipView = appData.flipView;
3265 DrawPosition(TRUE, boards[currentMove]);
3266 DisplayBothClocks();
3267 sprintf(str, "%s vs. %s",
3268 gameInfo.white, gameInfo.black);
3272 /* Moves were history of an active game */
3273 if (gameInfo.resultDetails != NULL) {
3274 free(gameInfo.resultDetails);
3275 gameInfo.resultDetails = NULL;
3278 HistorySet(parseList, backwardMostMove,
3279 forwardMostMove, currentMove-1);
3280 DisplayMove(currentMove - 1);
3281 if (started == STARTED_MOVES) next_out = i;
3282 started = STARTED_NONE;
3283 ics_getting_history = H_FALSE;
3286 case STARTED_OBSERVE:
3287 started = STARTED_NONE;
3288 SendToICS(ics_prefix);
3289 SendToICS("refresh\n");
3295 if(bookHit) { // [HGM] book: simulate book reply
3296 static char bookMove[MSG_SIZ]; // a bit generous?
3298 programStats.nodes = programStats.depth = programStats.time =
3299 programStats.score = programStats.got_only_move = 0;
3300 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3302 strcpy(bookMove, "move ");
3303 strcat(bookMove, bookHit);
3304 HandleMachineMove(bookMove, &first);
3309 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3310 started == STARTED_HOLDINGS ||
3311 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3312 /* Accumulate characters in move list or board */
3313 parse[parse_pos++] = buf[i];
3316 /* Start of game messages. Mostly we detect start of game
3317 when the first board image arrives. On some versions
3318 of the ICS, though, we need to do a "refresh" after starting
3319 to observe in order to get the current board right away. */
3320 if (looking_at(buf, &i, "Adding game * to observation list")) {
3321 started = STARTED_OBSERVE;
3325 /* Handle auto-observe */
3326 if (appData.autoObserve &&
3327 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3328 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3330 /* Choose the player that was highlighted, if any. */
3331 if (star_match[0][0] == '\033' ||
3332 star_match[1][0] != '\033') {
3333 player = star_match[0];
3335 player = star_match[2];
3337 sprintf(str, "%sobserve %s\n",
3338 ics_prefix, StripHighlightAndTitle(player));
3341 /* Save ratings from notify string */
3342 strcpy(player1Name, star_match[0]);
3343 player1Rating = string_to_rating(star_match[1]);
3344 strcpy(player2Name, star_match[2]);
3345 player2Rating = string_to_rating(star_match[3]);
3347 if (appData.debugMode)
3349 "Ratings from 'Game notification:' %s %d, %s %d\n",
3350 player1Name, player1Rating,
3351 player2Name, player2Rating);
3356 /* Deal with automatic examine mode after a game,
3357 and with IcsObserving -> IcsExamining transition */
3358 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3359 looking_at(buf, &i, "has made you an examiner of game *")) {
3361 int gamenum = atoi(star_match[0]);
3362 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3363 gamenum == ics_gamenum) {
3364 /* We were already playing or observing this game;
3365 no need to refetch history */
3366 gameMode = IcsExamining;
3368 pauseExamForwardMostMove = forwardMostMove;
3369 } else if (currentMove < forwardMostMove) {
3370 ForwardInner(forwardMostMove);
3373 /* I don't think this case really can happen */
3374 SendToICS(ics_prefix);
3375 SendToICS("refresh\n");
3380 /* Error messages */
3381 // if (ics_user_moved) {
3382 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3383 if (looking_at(buf, &i, "Illegal move") ||
3384 looking_at(buf, &i, "Not a legal move") ||
3385 looking_at(buf, &i, "Your king is in check") ||
3386 looking_at(buf, &i, "It isn't your turn") ||
3387 looking_at(buf, &i, "It is not your move")) {
3389 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3390 currentMove = --forwardMostMove;
3391 DisplayMove(currentMove - 1); /* before DMError */
3392 DrawPosition(FALSE, boards[currentMove]);
3394 DisplayBothClocks();
3396 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3402 if (looking_at(buf, &i, "still have time") ||
3403 looking_at(buf, &i, "not out of time") ||
3404 looking_at(buf, &i, "either player is out of time") ||
3405 looking_at(buf, &i, "has timeseal; checking")) {
3406 /* We must have called his flag a little too soon */
3407 whiteFlag = blackFlag = FALSE;
3411 if (looking_at(buf, &i, "added * seconds to") ||
3412 looking_at(buf, &i, "seconds were added to")) {
3413 /* Update the clocks */
3414 SendToICS(ics_prefix);
3415 SendToICS("refresh\n");
3419 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3420 ics_clock_paused = TRUE;
3425 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3426 ics_clock_paused = FALSE;
3431 /* Grab player ratings from the Creating: message.
3432 Note we have to check for the special case when
3433 the ICS inserts things like [white] or [black]. */
3434 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3435 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3437 0 player 1 name (not necessarily white)
3439 2 empty, white, or black (IGNORED)
3440 3 player 2 name (not necessarily black)
3443 The names/ratings are sorted out when the game
3444 actually starts (below).
3446 strcpy(player1Name, StripHighlightAndTitle(star_match[0]));
3447 player1Rating = string_to_rating(star_match[1]);
3448 strcpy(player2Name, StripHighlightAndTitle(star_match[3]));
3449 player2Rating = string_to_rating(star_match[4]);
3451 if (appData.debugMode)
3453 "Ratings from 'Creating:' %s %d, %s %d\n",
3454 player1Name, player1Rating,
3455 player2Name, player2Rating);
3460 /* Improved generic start/end-of-game messages */
3461 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3462 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3463 /* If tkind == 0: */
3464 /* star_match[0] is the game number */
3465 /* [1] is the white player's name */
3466 /* [2] is the black player's name */
3467 /* For end-of-game: */
3468 /* [3] is the reason for the game end */
3469 /* [4] is a PGN end game-token, preceded by " " */
3470 /* For start-of-game: */
3471 /* [3] begins with "Creating" or "Continuing" */
3472 /* [4] is " *" or empty (don't care). */
3473 int gamenum = atoi(star_match[0]);
3474 char *whitename, *blackname, *why, *endtoken;
3475 ChessMove endtype = (ChessMove) 0;
3478 whitename = star_match[1];
3479 blackname = star_match[2];
3480 why = star_match[3];
3481 endtoken = star_match[4];
3483 whitename = star_match[1];
3484 blackname = star_match[3];
3485 why = star_match[5];
3486 endtoken = star_match[6];
3489 /* Game start messages */
3490 if (strncmp(why, "Creating ", 9) == 0 ||
3491 strncmp(why, "Continuing ", 11) == 0) {
3492 gs_gamenum = gamenum;
3493 strcpy(gs_kind, strchr(why, ' ') + 1);
3494 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3496 if (appData.zippyPlay) {
3497 ZippyGameStart(whitename, blackname);
3503 /* Game end messages */
3504 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3505 ics_gamenum != gamenum) {
3508 while (endtoken[0] == ' ') endtoken++;
3509 switch (endtoken[0]) {
3512 endtype = GameUnfinished;
3515 endtype = BlackWins;
3518 if (endtoken[1] == '/')
3519 endtype = GameIsDrawn;
3521 endtype = WhiteWins;
3524 GameEnds(endtype, why, GE_ICS);
3526 if (appData.zippyPlay && first.initDone) {
3527 ZippyGameEnd(endtype, why);
3528 if (first.pr == NULL) {
3529 /* Start the next process early so that we'll
3530 be ready for the next challenge */
3531 StartChessProgram(&first);
3533 /* Send "new" early, in case this command takes
3534 a long time to finish, so that we'll be ready
3535 for the next challenge. */
3536 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3543 if (looking_at(buf, &i, "Removing game * from observation") ||
3544 looking_at(buf, &i, "no longer observing game *") ||
3545 looking_at(buf, &i, "Game * (*) has no examiners")) {
3546 if (gameMode == IcsObserving &&
3547 atoi(star_match[0]) == ics_gamenum)
3549 /* icsEngineAnalyze */
3550 if (appData.icsEngineAnalyze) {
3557 ics_user_moved = FALSE;
3562 if (looking_at(buf, &i, "no longer examining game *")) {
3563 if (gameMode == IcsExamining &&
3564 atoi(star_match[0]) == ics_gamenum)
3568 ics_user_moved = FALSE;
3573 /* Advance leftover_start past any newlines we find,
3574 so only partial lines can get reparsed */
3575 if (looking_at(buf, &i, "\n")) {
3576 prevColor = curColor;
3577 if (curColor != ColorNormal) {
3578 if (oldi > next_out) {
3579 SendToPlayer(&buf[next_out], oldi - next_out);
3582 Colorize(ColorNormal, FALSE);
3583 curColor = ColorNormal;
3585 if (started == STARTED_BOARD) {
3586 started = STARTED_NONE;
3587 parse[parse_pos] = NULLCHAR;
3588 ParseBoard12(parse);
3591 /* Send premove here */
3592 if (appData.premove) {
3594 if (currentMove == 0 &&
3595 gameMode == IcsPlayingWhite &&
3596 appData.premoveWhite) {
3597 sprintf(str, "%s\n", appData.premoveWhiteText);
3598 if (appData.debugMode)
3599 fprintf(debugFP, "Sending premove:\n");
3601 } else if (currentMove == 1 &&
3602 gameMode == IcsPlayingBlack &&
3603 appData.premoveBlack) {
3604 sprintf(str, "%s\n", appData.premoveBlackText);
3605 if (appData.debugMode)
3606 fprintf(debugFP, "Sending premove:\n");
3608 } else if (gotPremove) {
3610 ClearPremoveHighlights();
3611 if (appData.debugMode)
3612 fprintf(debugFP, "Sending premove:\n");
3613 UserMoveEvent(premoveFromX, premoveFromY,
3614 premoveToX, premoveToY,
3619 /* Usually suppress following prompt */
3620 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3621 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3622 if (looking_at(buf, &i, "*% ")) {
3623 savingComment = FALSE;
3628 } else if (started == STARTED_HOLDINGS) {
3630 char new_piece[MSG_SIZ];
3631 started = STARTED_NONE;
3632 parse[parse_pos] = NULLCHAR;
3633 if (appData.debugMode)
3634 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
3635 parse, currentMove);
3636 if (sscanf(parse, " game %d", &gamenum) == 1 &&
3637 gamenum == ics_gamenum) {
3638 if (gameInfo.variant == VariantNormal) {
3639 /* [HGM] We seem to switch variant during a game!
3640 * Presumably no holdings were displayed, so we have
3641 * to move the position two files to the right to
3642 * create room for them!
3644 VariantClass newVariant;
3645 switch(gameInfo.boardWidth) { // base guess on board width
3646 case 9: newVariant = VariantShogi; break;
3647 case 10: newVariant = VariantGreat; break;
3648 default: newVariant = VariantCrazyhouse; break;
3650 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3651 /* Get a move list just to see the header, which
3652 will tell us whether this is really bug or zh */
3653 if (ics_getting_history == H_FALSE) {
3654 ics_getting_history = H_REQUESTED;
3655 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3659 new_piece[0] = NULLCHAR;
3660 sscanf(parse, "game %d white [%s black [%s <- %s",
3661 &gamenum, white_holding, black_holding,
3663 white_holding[strlen(white_holding)-1] = NULLCHAR;
3664 black_holding[strlen(black_holding)-1] = NULLCHAR;
3665 /* [HGM] copy holdings to board holdings area */
3666 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
3667 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
3668 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
3670 if (appData.zippyPlay && first.initDone) {
3671 ZippyHoldings(white_holding, black_holding,
3675 if (tinyLayout || smallLayout) {
3676 char wh[16], bh[16];
3677 PackHolding(wh, white_holding);
3678 PackHolding(bh, black_holding);
3679 sprintf(str, "[%s-%s] %s-%s", wh, bh,
3680 gameInfo.white, gameInfo.black);
3682 sprintf(str, "%s [%s] vs. %s [%s]",
3683 gameInfo.white, white_holding,
3684 gameInfo.black, black_holding);
3687 DrawPosition(FALSE, boards[currentMove]);
3690 /* Suppress following prompt */
3691 if (looking_at(buf, &i, "*% ")) {
3692 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
3693 savingComment = FALSE;
3701 i++; /* skip unparsed character and loop back */
3704 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
3705 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
3706 // SendToPlayer(&buf[next_out], i - next_out);
3707 started != STARTED_HOLDINGS && leftover_start > next_out) {
3708 SendToPlayer(&buf[next_out], leftover_start - next_out);
3712 leftover_len = buf_len - leftover_start;
3713 /* if buffer ends with something we couldn't parse,
3714 reparse it after appending the next read */
3716 } else if (count == 0) {
3717 RemoveInputSource(isr);
3718 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
3720 DisplayFatalError(_("Error reading from ICS"), error, 1);
3725 /* Board style 12 looks like this:
3727 <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
3729 * The "<12> " is stripped before it gets to this routine. The two
3730 * trailing 0's (flip state and clock ticking) are later addition, and
3731 * some chess servers may not have them, or may have only the first.
3732 * Additional trailing fields may be added in the future.
3735 #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"
3737 #define RELATION_OBSERVING_PLAYED 0
3738 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
3739 #define RELATION_PLAYING_MYMOVE 1
3740 #define RELATION_PLAYING_NOTMYMOVE -1
3741 #define RELATION_EXAMINING 2
3742 #define RELATION_ISOLATED_BOARD -3
3743 #define RELATION_STARTING_POSITION -4 /* FICS only */
3746 ParseBoard12(string)
3749 GameMode newGameMode;
3750 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
3751 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
3752 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
3753 char to_play, board_chars[200];
3754 char move_str[500], str[500], elapsed_time[500];
3755 char black[32], white[32];
3757 int prevMove = currentMove;
3760 int fromX, fromY, toX, toY;
3762 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
3763 char *bookHit = NULL; // [HGM] book
3764 Boolean weird = FALSE, reqFlag = FALSE;
3766 fromX = fromY = toX = toY = -1;
3770 if (appData.debugMode)
3771 fprintf(debugFP, _("Parsing board: %s\n"), string);
3773 move_str[0] = NULLCHAR;
3774 elapsed_time[0] = NULLCHAR;
3775 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
3777 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
3778 if(string[i] == ' ') { ranks++; files = 0; }
3780 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
3783 for(j = 0; j <i; j++) board_chars[j] = string[j];
3784 board_chars[i] = '\0';
3787 n = sscanf(string, PATTERN, &to_play, &double_push,
3788 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
3789 &gamenum, white, black, &relation, &basetime, &increment,
3790 &white_stren, &black_stren, &white_time, &black_time,
3791 &moveNum, str, elapsed_time, move_str, &ics_flip,
3795 snprintf(str, sizeof(str), _("Failed to parse board string:\n\"%s\""), string);
3796 DisplayError(str, 0);
3800 /* Convert the move number to internal form */
3801 moveNum = (moveNum - 1) * 2;
3802 if (to_play == 'B') moveNum++;
3803 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
3804 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
3810 case RELATION_OBSERVING_PLAYED:
3811 case RELATION_OBSERVING_STATIC:
3812 if (gamenum == -1) {
3813 /* Old ICC buglet */
3814 relation = RELATION_OBSERVING_STATIC;
3816 newGameMode = IcsObserving;
3818 case RELATION_PLAYING_MYMOVE:
3819 case RELATION_PLAYING_NOTMYMOVE:
3821 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
3822 IcsPlayingWhite : IcsPlayingBlack;
3824 case RELATION_EXAMINING:
3825 newGameMode = IcsExamining;
3827 case RELATION_ISOLATED_BOARD:
3829 /* Just display this board. If user was doing something else,
3830 we will forget about it until the next board comes. */
3831 newGameMode = IcsIdle;
3833 case RELATION_STARTING_POSITION:
3834 newGameMode = gameMode;
3838 /* Modify behavior for initial board display on move listing
3841 switch (ics_getting_history) {
3845 case H_GOT_REQ_HEADER:
3846 case H_GOT_UNREQ_HEADER:
3847 /* This is the initial position of the current game */
3848 gamenum = ics_gamenum;
3849 moveNum = 0; /* old ICS bug workaround */
3850 if (to_play == 'B') {
3851 startedFromSetupPosition = TRUE;
3852 blackPlaysFirst = TRUE;
3854 if (forwardMostMove == 0) forwardMostMove = 1;
3855 if (backwardMostMove == 0) backwardMostMove = 1;
3856 if (currentMove == 0) currentMove = 1;
3858 newGameMode = gameMode;
3859 relation = RELATION_STARTING_POSITION; /* ICC needs this */
3861 case H_GOT_UNWANTED_HEADER:
3862 /* This is an initial board that we don't want */
3864 case H_GETTING_MOVES:
3865 /* Should not happen */
3866 DisplayError(_("Error gathering move list: extra board"), 0);
3867 ics_getting_history = H_FALSE;
3871 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
3872 weird && (int)gameInfo.variant <= (int)VariantShogi) {
3873 /* [HGM] We seem to have switched variant unexpectedly
3874 * Try to guess new variant from board size
3876 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
3877 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
3878 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
3879 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
3880 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
3881 if(!weird) newVariant = VariantNormal;
3882 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3883 /* Get a move list just to see the header, which
3884 will tell us whether this is really bug or zh */
3885 if (ics_getting_history == H_FALSE) {
3886 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
3887 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3892 /* Take action if this is the first board of a new game, or of a
3893 different game than is currently being displayed. */
3894 if (gamenum != ics_gamenum || newGameMode != gameMode ||
3895 relation == RELATION_ISOLATED_BOARD) {
3897 /* Forget the old game and get the history (if any) of the new one */
3898 if (gameMode != BeginningOfGame) {
3902 if (appData.autoRaiseBoard) BoardToTop();
3904 if (gamenum == -1) {
3905 newGameMode = IcsIdle;
3906 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
3907 appData.getMoveList && !reqFlag) {
3908 /* Need to get game history */
3909 ics_getting_history = H_REQUESTED;
3910 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3914 /* Initially flip the board to have black on the bottom if playing
3915 black or if the ICS flip flag is set, but let the user change
3916 it with the Flip View button. */
3917 flipView = appData.autoFlipView ?
3918 (newGameMode == IcsPlayingBlack) || ics_flip :
3921 /* Done with values from previous mode; copy in new ones */
3922 gameMode = newGameMode;
3924 ics_gamenum = gamenum;
3925 if (gamenum == gs_gamenum) {
3926 int klen = strlen(gs_kind);
3927 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
3928 sprintf(str, "ICS %s", gs_kind);
3929 gameInfo.event = StrSave(str);
3931 gameInfo.event = StrSave("ICS game");
3933 gameInfo.site = StrSave(appData.icsHost);
3934 gameInfo.date = PGNDate();
3935 gameInfo.round = StrSave("-");
3936 gameInfo.white = StrSave(white);
3937 gameInfo.black = StrSave(black);
3938 timeControl = basetime * 60 * 1000;
3940 timeIncrement = increment * 1000;
3941 movesPerSession = 0;
3942 gameInfo.timeControl = TimeControlTagValue();
3943 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
3944 if (appData.debugMode) {
3945 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
3946 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
3947 setbuf(debugFP, NULL);
3950 gameInfo.outOfBook = NULL;
3952 /* Do we have the ratings? */
3953 if (strcmp(player1Name, white) == 0 &&
3954 strcmp(player2Name, black) == 0) {
3955 if (appData.debugMode)
3956 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
3957 player1Rating, player2Rating);
3958 gameInfo.whiteRating = player1Rating;
3959 gameInfo.blackRating = player2Rating;
3960 } else if (strcmp(player2Name, white) == 0 &&
3961 strcmp(player1Name, black) == 0) {
3962 if (appData.debugMode)
3963 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
3964 player2Rating, player1Rating);
3965 gameInfo.whiteRating = player2Rating;
3966 gameInfo.blackRating = player1Rating;
3968 player1Name[0] = player2Name[0] = NULLCHAR;
3970 /* Silence shouts if requested */
3971 if (appData.quietPlay &&
3972 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
3973 SendToICS(ics_prefix);
3974 SendToICS("set shout 0\n");
3978 /* Deal with midgame name changes */
3980 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
3981 if (gameInfo.white) free(gameInfo.white);
3982 gameInfo.white = StrSave(white);
3984 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
3985 if (gameInfo.black) free(gameInfo.black);
3986 gameInfo.black = StrSave(black);
3990 /* Throw away game result if anything actually changes in examine mode */
3991 if (gameMode == IcsExamining && !newGame) {
3992 gameInfo.result = GameUnfinished;
3993 if (gameInfo.resultDetails != NULL) {
3994 free(gameInfo.resultDetails);
3995 gameInfo.resultDetails = NULL;
3999 /* In pausing && IcsExamining mode, we ignore boards coming
4000 in if they are in a different variation than we are. */
4001 if (pauseExamInvalid) return;
4002 if (pausing && gameMode == IcsExamining) {
4003 if (moveNum <= pauseExamForwardMostMove) {
4004 pauseExamInvalid = TRUE;
4005 forwardMostMove = pauseExamForwardMostMove;
4010 if (appData.debugMode) {
4011 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4013 /* Parse the board */
4014 for (k = 0; k < ranks; k++) {
4015 for (j = 0; j < files; j++)
4016 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4017 if(gameInfo.holdingsWidth > 1) {
4018 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4019 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4022 CopyBoard(boards[moveNum], board);
4023 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4025 startedFromSetupPosition =
4026 !CompareBoards(board, initialPosition);
4027 if(startedFromSetupPosition)
4028 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4031 /* [HGM] Set castling rights. Take the outermost Rooks,
4032 to make it also work for FRC opening positions. Note that board12
4033 is really defective for later FRC positions, as it has no way to
4034 indicate which Rook can castle if they are on the same side of King.
4035 For the initial position we grant rights to the outermost Rooks,
4036 and remember thos rights, and we then copy them on positions
4037 later in an FRC game. This means WB might not recognize castlings with
4038 Rooks that have moved back to their original position as illegal,
4039 but in ICS mode that is not its job anyway.
4041 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4042 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4044 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4045 if(board[0][i] == WhiteRook) j = i;
4046 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4047 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4048 if(board[0][i] == WhiteRook) j = i;
4049 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4050 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4051 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4052 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4053 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4054 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4055 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4057 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4058 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4059 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4060 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4061 if(board[BOARD_HEIGHT-1][k] == bKing)
4062 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4063 if(gameInfo.variant == VariantTwoKings) {
4064 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4065 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4066 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4069 r = boards[moveNum][CASTLING][0] = initialRights[0];
4070 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4071 r = boards[moveNum][CASTLING][1] = initialRights[1];
4072 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4073 r = boards[moveNum][CASTLING][3] = initialRights[3];
4074 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4075 r = boards[moveNum][CASTLING][4] = initialRights[4];
4076 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4077 /* wildcastle kludge: always assume King has rights */
4078 r = boards[moveNum][CASTLING][2] = initialRights[2];
4079 r = boards[moveNum][CASTLING][5] = initialRights[5];
4081 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4082 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4085 if (ics_getting_history == H_GOT_REQ_HEADER ||
4086 ics_getting_history == H_GOT_UNREQ_HEADER) {
4087 /* This was an initial position from a move list, not
4088 the current position */
4092 /* Update currentMove and known move number limits */
4093 newMove = newGame || moveNum > forwardMostMove;
4096 forwardMostMove = backwardMostMove = currentMove = moveNum;
4097 if (gameMode == IcsExamining && moveNum == 0) {
4098 /* Workaround for ICS limitation: we are not told the wild
4099 type when starting to examine a game. But if we ask for
4100 the move list, the move list header will tell us */
4101 ics_getting_history = H_REQUESTED;
4102 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
4105 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4106 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4108 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4109 /* [HGM] applied this also to an engine that is silently watching */
4110 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4111 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4112 gameInfo.variant == currentlyInitializedVariant) {
4113 takeback = forwardMostMove - moveNum;
4114 for (i = 0; i < takeback; i++) {
4115 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4116 SendToProgram("undo\n", &first);
4121 forwardMostMove = moveNum;
4122 if (!pausing || currentMove > forwardMostMove)
4123 currentMove = forwardMostMove;
4125 /* New part of history that is not contiguous with old part */
4126 if (pausing && gameMode == IcsExamining) {
4127 pauseExamInvalid = TRUE;
4128 forwardMostMove = pauseExamForwardMostMove;
4131 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4133 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4134 // [HGM] when we will receive the move list we now request, it will be
4135 // fed to the engine from the first move on. So if the engine is not
4136 // in the initial position now, bring it there.
4137 InitChessProgram(&first, 0);
4140 ics_getting_history = H_REQUESTED;
4141 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
4144 forwardMostMove = backwardMostMove = currentMove = moveNum;
4147 /* Update the clocks */
4148 if (strchr(elapsed_time, '.')) {
4150 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4151 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4153 /* Time is in seconds */
4154 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4155 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4160 if (appData.zippyPlay && newGame &&
4161 gameMode != IcsObserving && gameMode != IcsIdle &&
4162 gameMode != IcsExamining)
4163 ZippyFirstBoard(moveNum, basetime, increment);
4166 /* Put the move on the move list, first converting
4167 to canonical algebraic form. */
4169 if (appData.debugMode) {
4170 if (appData.debugMode) { int f = forwardMostMove;
4171 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4172 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4173 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4175 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4176 fprintf(debugFP, "moveNum = %d\n", moveNum);
4177 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4178 setbuf(debugFP, NULL);
4180 if (moveNum <= backwardMostMove) {
4181 /* We don't know what the board looked like before
4183 strcpy(parseList[moveNum - 1], move_str);
4184 strcat(parseList[moveNum - 1], " ");
4185 strcat(parseList[moveNum - 1], elapsed_time);
4186 moveList[moveNum - 1][0] = NULLCHAR;
4187 } else if (strcmp(move_str, "none") == 0) {
4188 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4189 /* Again, we don't know what the board looked like;
4190 this is really the start of the game. */
4191 parseList[moveNum - 1][0] = NULLCHAR;
4192 moveList[moveNum - 1][0] = NULLCHAR;
4193 backwardMostMove = moveNum;
4194 startedFromSetupPosition = TRUE;
4195 fromX = fromY = toX = toY = -1;
4197 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4198 // So we parse the long-algebraic move string in stead of the SAN move
4199 int valid; char buf[MSG_SIZ], *prom;
4201 // str looks something like "Q/a1-a2"; kill the slash
4203 sprintf(buf, "%c%s", str[0], str+2);
4204 else strcpy(buf, str); // might be castling
4205 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4206 strcat(buf, prom); // long move lacks promo specification!
4207 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4208 if(appData.debugMode)
4209 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4210 strcpy(move_str, buf);
4212 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4213 &fromX, &fromY, &toX, &toY, &promoChar)
4214 || ParseOneMove(buf, moveNum - 1, &moveType,
4215 &fromX, &fromY, &toX, &toY, &promoChar);
4216 // end of long SAN patch
4218 (void) CoordsToAlgebraic(boards[moveNum - 1],
4219 PosFlags(moveNum - 1),
4220 fromY, fromX, toY, toX, promoChar,
4221 parseList[moveNum-1]);
4222 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4228 if(gameInfo.variant != VariantShogi)
4229 strcat(parseList[moveNum - 1], "+");
4232 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4233 strcat(parseList[moveNum - 1], "#");
4236 strcat(parseList[moveNum - 1], " ");
4237 strcat(parseList[moveNum - 1], elapsed_time);
4238 /* currentMoveString is set as a side-effect of ParseOneMove */
4239 strcpy(moveList[moveNum - 1], currentMoveString);
4240 strcat(moveList[moveNum - 1], "\n");
4242 /* Move from ICS was illegal!? Punt. */
4243 if (appData.debugMode) {
4244 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4245 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4247 strcpy(parseList[moveNum - 1], move_str);
4248 strcat(parseList[moveNum - 1], " ");
4249 strcat(parseList[moveNum - 1], elapsed_time);
4250 moveList[moveNum - 1][0] = NULLCHAR;
4251 fromX = fromY = toX = toY = -1;
4254 if (appData.debugMode) {
4255 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4256 setbuf(debugFP, NULL);
4260 /* Send move to chess program (BEFORE animating it). */
4261 if (appData.zippyPlay && !newGame && newMove &&
4262 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4264 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4265 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4266 if (moveList[moveNum - 1][0] == NULLCHAR) {
4267 sprintf(str, _("Couldn't parse move \"%s\" from ICS"),
4269 DisplayError(str, 0);
4271 if (first.sendTime) {
4272 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4274 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4275 if (firstMove && !bookHit) {
4277 if (first.useColors) {
4278 SendToProgram(gameMode == IcsPlayingWhite ?
4280 "black\ngo\n", &first);
4282 SendToProgram("go\n", &first);
4284 first.maybeThinking = TRUE;
4287 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4288 if (moveList[moveNum - 1][0] == NULLCHAR) {
4289 sprintf(str, _("Couldn't parse move \"%s\" from ICS"), move_str);
4290 DisplayError(str, 0);
4292 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4293 SendMoveToProgram(moveNum - 1, &first);
4300 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4301 /* If move comes from a remote source, animate it. If it
4302 isn't remote, it will have already been animated. */
4303 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4304 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4306 if (!pausing && appData.highlightLastMove) {
4307 SetHighlights(fromX, fromY, toX, toY);
4311 /* Start the clocks */
4312 whiteFlag = blackFlag = FALSE;
4313 appData.clockMode = !(basetime == 0 && increment == 0);
4315 ics_clock_paused = TRUE;
4317 } else if (ticking == 1) {
4318 ics_clock_paused = FALSE;
4320 if (gameMode == IcsIdle ||
4321 relation == RELATION_OBSERVING_STATIC ||
4322 relation == RELATION_EXAMINING ||
4324 DisplayBothClocks();
4328 /* Display opponents and material strengths */
4329 if (gameInfo.variant != VariantBughouse &&
4330 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4331 if (tinyLayout || smallLayout) {
4332 if(gameInfo.variant == VariantNormal)
4333 sprintf(str, "%s(%d) %s(%d) {%d %d}",
4334 gameInfo.white, white_stren, gameInfo.black, black_stren,
4335 basetime, increment);
4337 sprintf(str, "%s(%d) %s(%d) {%d %d w%d}",
4338 gameInfo.white, white_stren, gameInfo.black, black_stren,
4339 basetime, increment, (int) gameInfo.variant);
4341 if(gameInfo.variant == VariantNormal)
4342 sprintf(str, "%s (%d) vs. %s (%d) {%d %d}",
4343 gameInfo.white, white_stren, gameInfo.black, black_stren,
4344 basetime, increment);
4346 sprintf(str, "%s (%d) vs. %s (%d) {%d %d %s}",
4347 gameInfo.white, white_stren, gameInfo.black, black_stren,
4348 basetime, increment, VariantName(gameInfo.variant));
4351 if (appData.debugMode) {
4352 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4357 /* Display the board */
4358 if (!pausing && !appData.noGUI) {
4359 if (appData.premove)
4361 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4362 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4363 ClearPremoveHighlights();
4365 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4366 DrawPosition(j, boards[currentMove]);
4368 DisplayMove(moveNum - 1);
4369 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4370 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4371 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4372 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4376 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4378 if(bookHit) { // [HGM] book: simulate book reply
4379 static char bookMove[MSG_SIZ]; // a bit generous?
4381 programStats.nodes = programStats.depth = programStats.time =
4382 programStats.score = programStats.got_only_move = 0;
4383 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4385 strcpy(bookMove, "move ");
4386 strcat(bookMove, bookHit);
4387 HandleMachineMove(bookMove, &first);
4396 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4397 ics_getting_history = H_REQUESTED;
4398 sprintf(buf, "%smoves %d\n", ics_prefix, ics_gamenum);
4404 AnalysisPeriodicEvent(force)
4407 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4408 && !force) || !appData.periodicUpdates)
4411 /* Send . command to Crafty to collect stats */
4412 SendToProgram(".\n", &first);
4414 /* Don't send another until we get a response (this makes
4415 us stop sending to old Crafty's which don't understand
4416 the "." command (sending illegal cmds resets node count & time,
4417 which looks bad)) */
4418 programStats.ok_to_send = 0;
4421 void ics_update_width(new_width)
4424 ics_printf("set width %d\n", new_width);
4428 SendMoveToProgram(moveNum, cps)
4430 ChessProgramState *cps;
4434 if (cps->useUsermove) {
4435 SendToProgram("usermove ", cps);
4439 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4440 int len = space - parseList[moveNum];
4441 memcpy(buf, parseList[moveNum], len);
4443 buf[len] = NULLCHAR;
4445 sprintf(buf, "%s\n", parseList[moveNum]);
4447 SendToProgram(buf, cps);
4449 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4450 AlphaRank(moveList[moveNum], 4);
4451 SendToProgram(moveList[moveNum], cps);
4452 AlphaRank(moveList[moveNum], 4); // and back
4454 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4455 * the engine. It would be nice to have a better way to identify castle
4457 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4458 && cps->useOOCastle) {
4459 int fromX = moveList[moveNum][0] - AAA;
4460 int fromY = moveList[moveNum][1] - ONE;
4461 int toX = moveList[moveNum][2] - AAA;
4462 int toY = moveList[moveNum][3] - ONE;
4463 if((boards[moveNum][fromY][fromX] == WhiteKing
4464 && boards[moveNum][toY][toX] == WhiteRook)
4465 || (boards[moveNum][fromY][fromX] == BlackKing
4466 && boards[moveNum][toY][toX] == BlackRook)) {
4467 if(toX > fromX) SendToProgram("O-O\n", cps);
4468 else SendToProgram("O-O-O\n", cps);
4470 else SendToProgram(moveList[moveNum], cps);
4472 else SendToProgram(moveList[moveNum], cps);
4473 /* End of additions by Tord */
4476 /* [HGM] setting up the opening has brought engine in force mode! */
4477 /* Send 'go' if we are in a mode where machine should play. */
4478 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4479 (gameMode == TwoMachinesPlay ||
4481 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4483 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4484 SendToProgram("go\n", cps);
4485 if (appData.debugMode) {
4486 fprintf(debugFP, "(extra)\n");
4489 setboardSpoiledMachineBlack = 0;
4493 SendMoveToICS(moveType, fromX, fromY, toX, toY)
4495 int fromX, fromY, toX, toY;
4497 char user_move[MSG_SIZ];
4501 sprintf(user_move, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4502 (int)moveType, fromX, fromY, toX, toY);
4503 DisplayError(user_move + strlen("say "), 0);
4505 case WhiteKingSideCastle:
4506 case BlackKingSideCastle:
4507 case WhiteQueenSideCastleWild:
4508 case BlackQueenSideCastleWild:
4510 case WhiteHSideCastleFR:
4511 case BlackHSideCastleFR:
4513 sprintf(user_move, "o-o\n");
4515 case WhiteQueenSideCastle:
4516 case BlackQueenSideCastle:
4517 case WhiteKingSideCastleWild:
4518 case BlackKingSideCastleWild:
4520 case WhiteASideCastleFR:
4521 case BlackASideCastleFR:
4523 sprintf(user_move, "o-o-o\n");
4525 case WhitePromotionQueen:
4526 case BlackPromotionQueen:
4527 case WhitePromotionRook:
4528 case BlackPromotionRook:
4529 case WhitePromotionBishop:
4530 case BlackPromotionBishop:
4531 case WhitePromotionKnight:
4532 case BlackPromotionKnight:
4533 case WhitePromotionKing:
4534 case BlackPromotionKing:
4535 case WhitePromotionChancellor:
4536 case BlackPromotionChancellor:
4537 case WhitePromotionArchbishop:
4538 case BlackPromotionArchbishop:
4539 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4540 sprintf(user_move, "%c%c%c%c=%c\n",
4541 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4542 PieceToChar(WhiteFerz));
4543 else if(gameInfo.variant == VariantGreat)
4544 sprintf(user_move, "%c%c%c%c=%c\n",
4545 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4546 PieceToChar(WhiteMan));
4548 sprintf(user_move, "%c%c%c%c=%c\n",
4549 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4550 PieceToChar(PromoPiece(moveType)));
4554 sprintf(user_move, "%c@%c%c\n",
4555 ToUpper(PieceToChar((ChessSquare) fromX)),
4556 AAA + toX, ONE + toY);
4559 case WhiteCapturesEnPassant:
4560 case BlackCapturesEnPassant:
4561 case IllegalMove: /* could be a variant we don't quite understand */
4562 sprintf(user_move, "%c%c%c%c\n",
4563 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4566 SendToICS(user_move);
4567 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
4568 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
4572 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
4577 if (rf == DROP_RANK) {
4578 sprintf(move, "%c@%c%c\n",
4579 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
4581 if (promoChar == 'x' || promoChar == NULLCHAR) {
4582 sprintf(move, "%c%c%c%c\n",
4583 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
4585 sprintf(move, "%c%c%c%c%c\n",
4586 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
4592 ProcessICSInitScript(f)
4597 while (fgets(buf, MSG_SIZ, f)) {
4598 SendToICSDelayed(buf,(long)appData.msLoginDelay);
4605 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
4607 AlphaRank(char *move, int n)
4609 // char *p = move, c; int x, y;
4611 if (appData.debugMode) {
4612 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
4616 move[2]>='0' && move[2]<='9' &&
4617 move[3]>='a' && move[3]<='x' ) {
4619 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4620 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4622 if(move[0]>='0' && move[0]<='9' &&
4623 move[1]>='a' && move[1]<='x' &&
4624 move[2]>='0' && move[2]<='9' &&
4625 move[3]>='a' && move[3]<='x' ) {
4626 /* input move, Shogi -> normal */
4627 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
4628 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
4629 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4630 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4633 move[3]>='0' && move[3]<='9' &&
4634 move[2]>='a' && move[2]<='x' ) {
4636 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4637 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4640 move[0]>='a' && move[0]<='x' &&
4641 move[3]>='0' && move[3]<='9' &&
4642 move[2]>='a' && move[2]<='x' ) {
4643 /* output move, normal -> Shogi */
4644 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
4645 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
4646 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4647 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4648 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
4650 if (appData.debugMode) {
4651 fprintf(debugFP, " out = '%s'\n", move);
4655 /* Parser for moves from gnuchess, ICS, or user typein box */
4657 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
4660 ChessMove *moveType;
4661 int *fromX, *fromY, *toX, *toY;
4664 if (appData.debugMode) {
4665 fprintf(debugFP, "move to parse: %s\n", move);
4667 *moveType = yylexstr(moveNum, move);
4669 switch (*moveType) {
4670 case WhitePromotionChancellor:
4671 case BlackPromotionChancellor:
4672 case WhitePromotionArchbishop:
4673 case BlackPromotionArchbishop:
4674 case WhitePromotionQueen:
4675 case BlackPromotionQueen:
4676 case WhitePromotionRook:
4677 case BlackPromotionRook:
4678 case WhitePromotionBishop:
4679 case BlackPromotionBishop:
4680 case WhitePromotionKnight:
4681 case BlackPromotionKnight:
4682 case WhitePromotionKing:
4683 case BlackPromotionKing:
4685 case WhiteCapturesEnPassant:
4686 case BlackCapturesEnPassant:
4687 case WhiteKingSideCastle:
4688 case WhiteQueenSideCastle:
4689 case BlackKingSideCastle:
4690 case BlackQueenSideCastle:
4691 case WhiteKingSideCastleWild:
4692 case WhiteQueenSideCastleWild:
4693 case BlackKingSideCastleWild:
4694 case BlackQueenSideCastleWild:
4695 /* Code added by Tord: */
4696 case WhiteHSideCastleFR:
4697 case WhiteASideCastleFR:
4698 case BlackHSideCastleFR:
4699 case BlackASideCastleFR:
4700 /* End of code added by Tord */
4701 case IllegalMove: /* bug or odd chess variant */
4702 *fromX = currentMoveString[0] - AAA;
4703 *fromY = currentMoveString[1] - ONE;
4704 *toX = currentMoveString[2] - AAA;
4705 *toY = currentMoveString[3] - ONE;
4706 *promoChar = currentMoveString[4];
4707 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
4708 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
4709 if (appData.debugMode) {
4710 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
4712 *fromX = *fromY = *toX = *toY = 0;
4715 if (appData.testLegality) {
4716 return (*moveType != IllegalMove);
4718 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
4719 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
4724 *fromX = *moveType == WhiteDrop ?
4725 (int) CharToPiece(ToUpper(currentMoveString[0])) :
4726 (int) CharToPiece(ToLower(currentMoveString[0]));
4728 *toX = currentMoveString[2] - AAA;
4729 *toY = currentMoveString[3] - ONE;
4730 *promoChar = NULLCHAR;
4734 case ImpossibleMove:
4735 case (ChessMove) 0: /* end of file */
4744 if (appData.debugMode) {
4745 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
4748 *fromX = *fromY = *toX = *toY = 0;
4749 *promoChar = NULLCHAR;
4757 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
4758 int fromX, fromY, toX, toY; char promoChar;
4763 endPV = forwardMostMove;
4765 while(*pv == ' ') pv++;
4766 if(*pv == '(') pv++; // first (ponder) move can be in parentheses
4767 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
4768 if(appData.debugMode){
4769 fprintf(debugFP,"parsePV: %d %c%c%c%c '%s'\n", valid, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, pv);
4771 if(!valid && nr == 0 &&
4772 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
4773 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
4775 while(*pv && *pv++ != ' '); // skip what we parsed; assume space separators
4776 if(moveType == Comment) { valid++; continue; } // allow comments in PV
4778 if(endPV+1 > framePtr) break; // no space, truncate
4781 CopyBoard(boards[endPV], boards[endPV-1]);
4782 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
4783 moveList[endPV-1][0] = fromX + AAA;
4784 moveList[endPV-1][1] = fromY + ONE;
4785 moveList[endPV-1][2] = toX + AAA;
4786 moveList[endPV-1][3] = toY + ONE;
4787 parseList[endPV-1][0] = NULLCHAR;
4789 currentMove = endPV;
4790 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
4791 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
4792 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
4793 DrawPosition(TRUE, boards[currentMove]);
4796 static int lastX, lastY;
4799 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
4803 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
4804 lastX = x; lastY = y;
4805 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
4807 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
4809 while(buf[index] && buf[index] != '\n') index++;
4811 ParsePV(buf+startPV);
4812 *start = startPV; *end = index-1;
4817 LoadPV(int x, int y)
4818 { // called on right mouse click to load PV
4819 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
4820 lastX = x; lastY = y;
4821 ParsePV(lastPV[which]); // load the PV of the thinking engine in the boards array.
4828 if(endPV < 0) return;
4830 currentMove = forwardMostMove;
4831 ClearPremoveHighlights();
4832 DrawPosition(TRUE, boards[currentMove]);
4836 MovePV(int x, int y, int h)
4837 { // step through PV based on mouse coordinates (called on mouse move)
4838 int margin = h>>3, step = 0;
4840 if(endPV < 0) return;
4841 // we must somehow check if right button is still down (might be released off board!)
4842 if(y < margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = 1; else
4843 if(y > h - margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = -1; else
4844 if( y > lastY + 6 ) step = -1; else if(y < lastY - 6) step = 1;
4846 lastX = x; lastY = y;
4847 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
4848 currentMove += step;
4849 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
4850 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
4851 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
4852 DrawPosition(FALSE, boards[currentMove]);
4856 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
4857 // All positions will have equal probability, but the current method will not provide a unique
4858 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
4864 int piecesLeft[(int)BlackPawn];
4865 int seed, nrOfShuffles;
4867 void GetPositionNumber()
4868 { // sets global variable seed
4871 seed = appData.defaultFrcPosition;
4872 if(seed < 0) { // randomize based on time for negative FRC position numbers
4873 for(i=0; i<50; i++) seed += random();
4874 seed = random() ^ random() >> 8 ^ random() << 8;
4875 if(seed<0) seed = -seed;
4879 int put(Board board, int pieceType, int rank, int n, int shade)
4880 // put the piece on the (n-1)-th empty squares of the given shade
4884 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
4885 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
4886 board[rank][i] = (ChessSquare) pieceType;
4887 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
4889 piecesLeft[pieceType]--;
4897 void AddOnePiece(Board board, int pieceType, int rank, int shade)
4898 // calculate where the next piece goes, (any empty square), and put it there
4902 i = seed % squaresLeft[shade];
4903 nrOfShuffles *= squaresLeft[shade];
4904 seed /= squaresLeft[shade];
4905 put(board, pieceType, rank, i, shade);
4908 void AddTwoPieces(Board board, int pieceType, int rank)
4909 // calculate where the next 2 identical pieces go, (any empty square), and put it there
4911 int i, n=squaresLeft[ANY], j=n-1, k;
4913 k = n*(n-1)/2; // nr of possibilities, not counting permutations
4914 i = seed % k; // pick one
4917 while(i >= j) i -= j--;
4918 j = n - 1 - j; i += j;
4919 put(board, pieceType, rank, j, ANY);
4920 put(board, pieceType, rank, i, ANY);
4923 void SetUpShuffle(Board board, int number)
4927 GetPositionNumber(); nrOfShuffles = 1;
4929 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
4930 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
4931 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
4933 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
4935 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
4936 p = (int) board[0][i];
4937 if(p < (int) BlackPawn) piecesLeft[p] ++;
4938 board[0][i] = EmptySquare;
4941 if(PosFlags(0) & F_ALL_CASTLE_OK) {
4942 // shuffles restricted to allow normal castling put KRR first
4943 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
4944 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
4945 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
4946 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
4947 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
4948 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
4949 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
4950 put(board, WhiteRook, 0, 0, ANY);
4951 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
4954 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
4955 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
4956 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
4957 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
4958 while(piecesLeft[p] >= 2) {
4959 AddOnePiece(board, p, 0, LITE);
4960 AddOnePiece(board, p, 0, DARK);
4962 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
4965 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
4966 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
4967 // but we leave King and Rooks for last, to possibly obey FRC restriction
4968 if(p == (int)WhiteRook) continue;
4969 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
4970 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
4973 // now everything is placed, except perhaps King (Unicorn) and Rooks
4975 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
4976 // Last King gets castling rights
4977 while(piecesLeft[(int)WhiteUnicorn]) {
4978 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
4979 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
4982 while(piecesLeft[(int)WhiteKing]) {
4983 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
4984 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
4989 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
4990 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
4993 // Only Rooks can be left; simply place them all
4994 while(piecesLeft[(int)WhiteRook]) {
4995 i = put(board, WhiteRook, 0, 0, ANY);
4996 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
4999 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5001 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5004 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5005 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5008 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5011 int SetCharTable( char *table, const char * map )
5012 /* [HGM] moved here from winboard.c because of its general usefulness */
5013 /* Basically a safe strcpy that uses the last character as King */
5015 int result = FALSE; int NrPieces;
5017 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5018 && NrPieces >= 12 && !(NrPieces&1)) {
5019 int i; /* [HGM] Accept even length from 12 to 34 */
5021 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5022 for( i=0; i<NrPieces/2-1; i++ ) {
5024 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5026 table[(int) WhiteKing] = map[NrPieces/2-1];
5027 table[(int) BlackKing] = map[NrPieces-1];
5035 void Prelude(Board board)
5036 { // [HGM] superchess: random selection of exo-pieces
5037 int i, j, k; ChessSquare p;
5038 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5040 GetPositionNumber(); // use FRC position number
5042 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5043 SetCharTable(pieceToChar, appData.pieceToCharTable);
5044 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5045 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5048 j = seed%4; seed /= 4;
5049 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5050 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5051 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5052 j = seed%3 + (seed%3 >= j); seed /= 3;
5053 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5054 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5055 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5056 j = seed%3; seed /= 3;
5057 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5058 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5059 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5060 j = seed%2 + (seed%2 >= j); seed /= 2;
5061 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5062 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5063 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5064 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5065 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5066 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5067 put(board, exoPieces[0], 0, 0, ANY);
5068 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5072 InitPosition(redraw)
5075 ChessSquare (* pieces)[BOARD_FILES];
5076 int i, j, pawnRow, overrule,
5077 oldx = gameInfo.boardWidth,
5078 oldy = gameInfo.boardHeight,
5079 oldh = gameInfo.holdingsWidth,
5080 oldv = gameInfo.variant;
5082 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5084 /* [AS] Initialize pv info list [HGM] and game status */
5086 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5087 pvInfoList[i].depth = 0;
5088 boards[i][EP_STATUS] = EP_NONE;
5089 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5092 initialRulePlies = 0; /* 50-move counter start */
5094 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5095 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5099 /* [HGM] logic here is completely changed. In stead of full positions */
5100 /* the initialized data only consist of the two backranks. The switch */
5101 /* selects which one we will use, which is than copied to the Board */
5102 /* initialPosition, which for the rest is initialized by Pawns and */
5103 /* empty squares. This initial position is then copied to boards[0], */
5104 /* possibly after shuffling, so that it remains available. */
5106 gameInfo.holdingsWidth = 0; /* default board sizes */
5107 gameInfo.boardWidth = 8;
5108 gameInfo.boardHeight = 8;
5109 gameInfo.holdingsSize = 0;
5110 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5111 for(i=0; i<BOARD_FILES-2; i++)
5112 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5113 initialPosition[EP_STATUS] = EP_NONE;
5114 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5116 switch (gameInfo.variant) {
5117 case VariantFischeRandom:
5118 shuffleOpenings = TRUE;
5122 case VariantShatranj:
5123 pieces = ShatranjArray;
5124 nrCastlingRights = 0;
5125 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5128 pieces = makrukArray;
5129 nrCastlingRights = 0;
5130 startedFromSetupPosition = TRUE;
5131 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5133 case VariantTwoKings:
5134 pieces = twoKingsArray;
5136 case VariantCapaRandom:
5137 shuffleOpenings = TRUE;
5138 case VariantCapablanca:
5139 pieces = CapablancaArray;
5140 gameInfo.boardWidth = 10;
5141 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5144 pieces = GothicArray;
5145 gameInfo.boardWidth = 10;
5146 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5149 pieces = JanusArray;
5150 gameInfo.boardWidth = 10;
5151 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5152 nrCastlingRights = 6;
5153 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5154 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5155 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5156 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5157 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5158 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5161 pieces = FalconArray;
5162 gameInfo.boardWidth = 10;
5163 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5165 case VariantXiangqi:
5166 pieces = XiangqiArray;
5167 gameInfo.boardWidth = 9;
5168 gameInfo.boardHeight = 10;
5169 nrCastlingRights = 0;
5170 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5173 pieces = ShogiArray;
5174 gameInfo.boardWidth = 9;
5175 gameInfo.boardHeight = 9;
5176 gameInfo.holdingsSize = 7;
5177 nrCastlingRights = 0;
5178 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5180 case VariantCourier:
5181 pieces = CourierArray;
5182 gameInfo.boardWidth = 12;
5183 nrCastlingRights = 0;
5184 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5186 case VariantKnightmate:
5187 pieces = KnightmateArray;
5188 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5191 pieces = fairyArray;
5192 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5195 pieces = GreatArray;
5196 gameInfo.boardWidth = 10;
5197 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5198 gameInfo.holdingsSize = 8;
5202 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5203 gameInfo.holdingsSize = 8;
5204 startedFromSetupPosition = TRUE;
5206 case VariantCrazyhouse:
5207 case VariantBughouse:
5209 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5210 gameInfo.holdingsSize = 5;
5212 case VariantWildCastle:
5214 /* !!?shuffle with kings guaranteed to be on d or e file */
5215 shuffleOpenings = 1;
5217 case VariantNoCastle:
5219 nrCastlingRights = 0;
5220 /* !!?unconstrained back-rank shuffle */
5221 shuffleOpenings = 1;
5226 if(appData.NrFiles >= 0) {
5227 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5228 gameInfo.boardWidth = appData.NrFiles;
5230 if(appData.NrRanks >= 0) {
5231 gameInfo.boardHeight = appData.NrRanks;
5233 if(appData.holdingsSize >= 0) {
5234 i = appData.holdingsSize;
5235 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5236 gameInfo.holdingsSize = i;
5238 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5239 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5240 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5242 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5243 if(pawnRow < 1) pawnRow = 1;
5244 if(gameInfo.variant == VariantMakruk) pawnRow = 2;
5246 /* User pieceToChar list overrules defaults */
5247 if(appData.pieceToCharTable != NULL)
5248 SetCharTable(pieceToChar, appData.pieceToCharTable);
5250 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5252 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5253 s = (ChessSquare) 0; /* account holding counts in guard band */
5254 for( i=0; i<BOARD_HEIGHT; i++ )
5255 initialPosition[i][j] = s;
5257 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5258 initialPosition[0][j] = pieces[0][j-gameInfo.holdingsWidth];
5259 initialPosition[pawnRow][j] = WhitePawn;
5260 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = BlackPawn;
5261 if(gameInfo.variant == VariantXiangqi) {
5263 initialPosition[pawnRow][j] =
5264 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5265 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5266 initialPosition[2][j] = WhiteCannon;
5267 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5271 initialPosition[BOARD_HEIGHT-1][j] = pieces[1][j-gameInfo.holdingsWidth];
5273 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5276 initialPosition[1][j] = WhiteBishop;
5277 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5279 initialPosition[1][j] = WhiteRook;
5280 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5283 if( nrCastlingRights == -1) {
5284 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5285 /* This sets default castling rights from none to normal corners */
5286 /* Variants with other castling rights must set them themselves above */
5287 nrCastlingRights = 6;
5288 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5289 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5290 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5291 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5292 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5293 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5296 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5297 if(gameInfo.variant == VariantGreat) { // promotion commoners
5298 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5299 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5300 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5301 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5303 if (appData.debugMode) {
5304 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5306 if(shuffleOpenings) {
5307 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5308 startedFromSetupPosition = TRUE;
5310 if(startedFromPositionFile) {
5311 /* [HGM] loadPos: use PositionFile for every new game */
5312 CopyBoard(initialPosition, filePosition);
5313 for(i=0; i<nrCastlingRights; i++)
5314 initialRights[i] = filePosition[CASTLING][i];
5315 startedFromSetupPosition = TRUE;
5318 CopyBoard(boards[0], initialPosition);
5319 if(oldx != gameInfo.boardWidth ||
5320 oldy != gameInfo.boardHeight ||
5321 oldh != gameInfo.holdingsWidth
5323 || oldv == VariantGothic || // For licensing popups
5324 gameInfo.variant == VariantGothic
5327 || oldv == VariantFalcon ||
5328 gameInfo.variant == VariantFalcon
5332 InitDrawingSizes(-2 ,0);
5336 DrawPosition(TRUE, boards[currentMove]);
5341 SendBoard(cps, moveNum)
5342 ChessProgramState *cps;
5345 char message[MSG_SIZ];
5347 if (cps->useSetboard) {
5348 char* fen = PositionToFEN(moveNum, cps->fenOverride);
5349 sprintf(message, "setboard %s\n", fen);
5350 SendToProgram(message, cps);
5356 /* Kludge to set black to move, avoiding the troublesome and now
5357 * deprecated "black" command.
5359 if (!WhiteOnMove(moveNum)) SendToProgram("a2a3\n", cps);
5361 SendToProgram("edit\n", cps);
5362 SendToProgram("#\n", cps);
5363 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5364 bp = &boards[moveNum][i][BOARD_LEFT];
5365 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5366 if ((int) *bp < (int) BlackPawn) {
5367 sprintf(message, "%c%c%c\n", PieceToChar(*bp),
5369 if(message[0] == '+' || message[0] == '~') {
5370 sprintf(message, "%c%c%c+\n",
5371 PieceToChar((ChessSquare)(DEMOTED *bp)),
5374 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5375 message[1] = BOARD_RGHT - 1 - j + '1';
5376 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5378 SendToProgram(message, cps);
5383 SendToProgram("c\n", cps);
5384 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5385 bp = &boards[moveNum][i][BOARD_LEFT];
5386 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5387 if (((int) *bp != (int) EmptySquare)
5388 && ((int) *bp >= (int) BlackPawn)) {
5389 sprintf(message, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
5391 if(message[0] == '+' || message[0] == '~') {
5392 sprintf(message, "%c%c%c+\n",
5393 PieceToChar((ChessSquare)(DEMOTED *bp)),
5396 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5397 message[1] = BOARD_RGHT - 1 - j + '1';
5398 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5400 SendToProgram(message, cps);
5405 SendToProgram(".\n", cps);
5407 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
5411 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice)
5413 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
5414 /* [HGM] add Shogi promotions */
5415 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
5420 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
5421 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
5423 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
5424 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
5427 piece = boards[currentMove][fromY][fromX];
5428 if(gameInfo.variant == VariantShogi) {
5429 promotionZoneSize = 3;
5430 highestPromotingPiece = (int)WhiteFerz;
5431 } else if(gameInfo.variant == VariantMakruk) {
5432 promotionZoneSize = 3;
5435 // next weed out all moves that do not touch the promotion zone at all
5436 if((int)piece >= BlackPawn) {
5437 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
5439 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
5441 if( toY < BOARD_HEIGHT - promotionZoneSize &&
5442 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
5445 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
5447 // weed out mandatory Shogi promotions
5448 if(gameInfo.variant == VariantShogi) {
5449 if(piece >= BlackPawn) {
5450 if(toY == 0 && piece == BlackPawn ||
5451 toY == 0 && piece == BlackQueen ||
5452 toY <= 1 && piece == BlackKnight) {
5457 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
5458 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
5459 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
5466 // weed out obviously illegal Pawn moves
5467 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
5468 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
5469 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
5470 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
5471 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
5472 // note we are not allowed to test for valid (non-)capture, due to premove
5475 // we either have a choice what to promote to, or (in Shogi) whether to promote
5476 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
5477 *promoChoice = PieceToChar(BlackFerz); // no choice
5480 if(appData.alwaysPromoteToQueen) { // predetermined
5481 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantLosers)
5482 *promoChoice = PieceToChar(BlackKing); // in Suicide Q is the last thing we want
5483 else *promoChoice = PieceToChar(BlackQueen);
5487 // suppress promotion popup on illegal moves that are not premoves
5488 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
5489 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
5490 if(appData.testLegality && !premove) {
5491 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5492 fromY, fromX, toY, toX, NULLCHAR);
5493 if(moveType != WhitePromotionQueen && moveType != BlackPromotionQueen &&
5494 moveType != WhitePromotionKnight && moveType != BlackPromotionKnight)
5502 InPalace(row, column)
5504 { /* [HGM] for Xiangqi */
5505 if( (row < 3 || row > BOARD_HEIGHT-4) &&
5506 column < (BOARD_WIDTH + 4)/2 &&
5507 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
5512 PieceForSquare (x, y)
5516 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
5519 return boards[currentMove][y][x];
5523 OKToStartUserMove(x, y)
5526 ChessSquare from_piece;
5529 if (matchMode) return FALSE;
5530 if (gameMode == EditPosition) return TRUE;
5532 if (x >= 0 && y >= 0)
5533 from_piece = boards[currentMove][y][x];
5535 from_piece = EmptySquare;
5537 if (from_piece == EmptySquare) return FALSE;
5539 white_piece = (int)from_piece >= (int)WhitePawn &&
5540 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
5543 case PlayFromGameFile:
5545 case TwoMachinesPlay:
5553 case MachinePlaysWhite:
5554 case IcsPlayingBlack:
5555 if (appData.zippyPlay) return FALSE;
5557 DisplayMoveError(_("You are playing Black"));
5562 case MachinePlaysBlack:
5563 case IcsPlayingWhite:
5564 if (appData.zippyPlay) return FALSE;
5566 DisplayMoveError(_("You are playing White"));
5572 if (!white_piece && WhiteOnMove(currentMove)) {
5573 DisplayMoveError(_("It is White's turn"));
5576 if (white_piece && !WhiteOnMove(currentMove)) {
5577 DisplayMoveError(_("It is Black's turn"));
5580 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
5581 /* Editing correspondence game history */
5582 /* Could disallow this or prompt for confirmation */
5587 case BeginningOfGame:
5588 if (appData.icsActive) return FALSE;
5589 if (!appData.noChessProgram) {
5591 DisplayMoveError(_("You are playing White"));
5598 if (!white_piece && WhiteOnMove(currentMove)) {
5599 DisplayMoveError(_("It is White's turn"));
5602 if (white_piece && !WhiteOnMove(currentMove)) {
5603 DisplayMoveError(_("It is Black's turn"));
5612 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
5613 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
5614 && gameMode != AnalyzeFile && gameMode != Training) {
5615 DisplayMoveError(_("Displayed position is not current"));
5622 OnlyMove(int *x, int *y) {
5623 DisambiguateClosure cl;
5624 if (appData.zippyPlay) return FALSE;
5626 case MachinePlaysBlack:
5627 case IcsPlayingWhite:
5628 case BeginningOfGame:
5629 if(!WhiteOnMove(currentMove)) return FALSE;
5631 case MachinePlaysWhite:
5632 case IcsPlayingBlack:
5633 if(WhiteOnMove(currentMove)) return FALSE;
5638 cl.pieceIn = EmptySquare;
5643 cl.promoCharIn = NULLCHAR;
5644 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5645 if(cl.kind == NormalMove) {
5652 if(cl.kind != ImpossibleMove) return FALSE;
5653 cl.pieceIn = EmptySquare;
5658 cl.promoCharIn = NULLCHAR;
5659 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5660 if(cl.kind == NormalMove) {
5670 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
5671 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
5672 int lastLoadGameUseList = FALSE;
5673 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
5674 ChessMove lastLoadGameStart = (ChessMove) 0;
5677 UserMoveTest(fromX, fromY, toX, toY, promoChar, captureOwn)
5678 int fromX, fromY, toX, toY;
5683 ChessSquare pdown, pup;
5685 /* Check if the user is playing in turn. This is complicated because we
5686 let the user "pick up" a piece before it is his turn. So the piece he
5687 tried to pick up may have been captured by the time he puts it down!
5688 Therefore we use the color the user is supposed to be playing in this
5689 test, not the color of the piece that is currently on the starting
5690 square---except in EditGame mode, where the user is playing both
5691 sides; fortunately there the capture race can't happen. (It can
5692 now happen in IcsExamining mode, but that's just too bad. The user
5693 will get a somewhat confusing message in that case.)
5697 case PlayFromGameFile:
5699 case TwoMachinesPlay:
5703 /* We switched into a game mode where moves are not accepted,
5704 perhaps while the mouse button was down. */
5705 return ImpossibleMove;
5707 case MachinePlaysWhite:
5708 /* User is moving for Black */
5709 if (WhiteOnMove(currentMove)) {
5710 DisplayMoveError(_("It is White's turn"));
5711 return ImpossibleMove;
5715 case MachinePlaysBlack:
5716 /* User is moving for White */
5717 if (!WhiteOnMove(currentMove)) {
5718 DisplayMoveError(_("It is Black's turn"));
5719 return ImpossibleMove;
5725 case BeginningOfGame:
5728 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
5729 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
5730 /* User is moving for Black */
5731 if (WhiteOnMove(currentMove)) {
5732 DisplayMoveError(_("It is White's turn"));
5733 return ImpossibleMove;
5736 /* User is moving for White */
5737 if (!WhiteOnMove(currentMove)) {
5738 DisplayMoveError(_("It is Black's turn"));
5739 return ImpossibleMove;
5744 case IcsPlayingBlack:
5745 /* User is moving for Black */
5746 if (WhiteOnMove(currentMove)) {
5747 if (!appData.premove) {
5748 DisplayMoveError(_("It is White's turn"));
5749 } else if (toX >= 0 && toY >= 0) {
5752 premoveFromX = fromX;
5753 premoveFromY = fromY;
5754 premovePromoChar = promoChar;
5756 if (appData.debugMode)
5757 fprintf(debugFP, "Got premove: fromX %d,"
5758 "fromY %d, toX %d, toY %d\n",
5759 fromX, fromY, toX, toY);
5761 return ImpossibleMove;
5765 case IcsPlayingWhite:
5766 /* User is moving for White */
5767 if (!WhiteOnMove(currentMove)) {
5768 if (!appData.premove) {
5769 DisplayMoveError(_("It is Black's turn"));
5770 } else if (toX >= 0 && toY >= 0) {
5773 premoveFromX = fromX;
5774 premoveFromY = fromY;
5775 premovePromoChar = promoChar;
5777 if (appData.debugMode)
5778 fprintf(debugFP, "Got premove: fromX %d,"
5779 "fromY %d, toX %d, toY %d\n",
5780 fromX, fromY, toX, toY);
5782 return ImpossibleMove;
5790 /* EditPosition, empty square, or different color piece;
5791 click-click move is possible */
5792 if (toX == -2 || toY == -2) {
5793 boards[0][fromY][fromX] = EmptySquare;
5794 return AmbiguousMove;
5795 } else if (toX >= 0 && toY >= 0) {
5796 boards[0][toY][toX] = boards[0][fromY][fromX];
5797 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
5798 if(boards[0][fromY][0] != EmptySquare) {
5799 if(boards[0][fromY][1]) boards[0][fromY][1]--;
5800 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
5803 if(fromX == BOARD_RGHT+1) {
5804 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
5805 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
5806 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
5809 boards[0][fromY][fromX] = EmptySquare;
5810 return AmbiguousMove;
5812 return ImpossibleMove;
5815 if(toX < 0 || toY < 0) return ImpossibleMove;
5816 pdown = boards[currentMove][fromY][fromX];
5817 pup = boards[currentMove][toY][toX];
5819 /* [HGM] If move started in holdings, it means a drop */
5820 if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) {
5821 if( pup != EmptySquare ) return ImpossibleMove;
5822 if(appData.testLegality) {
5823 /* it would be more logical if LegalityTest() also figured out
5824 * which drops are legal. For now we forbid pawns on back rank.
5825 * Shogi is on its own here...
5827 if( (pdown == WhitePawn || pdown == BlackPawn) &&
5828 (toY == 0 || toY == BOARD_HEIGHT -1 ) )
5829 return(ImpossibleMove); /* no pawn drops on 1st/8th */
5831 return WhiteDrop; /* Not needed to specify white or black yet */
5835 /* [HGM] always test for legality, to get promotion info */
5836 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5837 fromY, fromX, toY, toX, promoChar);
5838 /* [HGM] but possibly ignore an IllegalMove result */
5839 if (appData.testLegality) {
5840 if (moveType == IllegalMove || moveType == ImpossibleMove) {
5841 DisplayMoveError(_("Illegal move"));
5842 return ImpossibleMove;
5847 /* [HGM] <popupFix> in stead of calling FinishMove directly, this
5848 function is made into one that returns an OK move type if FinishMove
5849 should be called. This to give the calling driver routine the
5850 opportunity to finish the userMove input with a promotion popup,
5851 without bothering the user with this for invalid or illegal moves */
5853 /* FinishMove(moveType, fromX, fromY, toX, toY, promoChar); */
5856 /* Common tail of UserMoveEvent and DropMenuEvent */
5858 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
5860 int fromX, fromY, toX, toY;
5861 /*char*/int promoChar;
5865 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR)
5867 // [HGM] superchess: suppress promotions to non-available piece
5868 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
5869 if(WhiteOnMove(currentMove))
5871 if(!boards[currentMove][k][BOARD_WIDTH-2])
5876 if(!boards[currentMove][BOARD_HEIGHT-1-k][1])
5881 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
5882 move type in caller when we know the move is a legal promotion */
5883 if(moveType == NormalMove && promoChar)
5884 moveType = PromoCharToMoveType(WhiteOnMove(currentMove), promoChar);
5886 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
5887 move type in caller when we know the move is a legal promotion */
5888 if(moveType == NormalMove && promoChar)
5889 moveType = PromoCharToMoveType(WhiteOnMove(currentMove), promoChar);
5891 /* [HGM] convert drag-and-drop piece drops to standard form */
5892 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK )
5894 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
5895 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
5896 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
5897 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
5898 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
5899 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
5900 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
5904 /* [HGM] <popupFix> The following if has been moved here from
5905 UserMoveEvent(). Because it seemed to belong here (why not allow
5906 piece drops in training games?), and because it can only be
5907 performed after it is known to what we promote. */
5908 if (gameMode == Training)
5910 /* compare the move played on the board to the next move in the
5911 * game. If they match, display the move and the opponent's response.
5912 * If they don't match, display an error message.
5916 CopyBoard(testBoard, boards[currentMove]);
5917 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
5919 if (CompareBoards(testBoard, boards[currentMove+1]))
5921 ForwardInner(currentMove+1);
5923 /* Autoplay the opponent's response.
5924 * if appData.animate was TRUE when Training mode was entered,
5925 * the response will be animated.
5927 saveAnimate = appData.animate;
5928 appData.animate = animateTraining;
5929 ForwardInner(currentMove+1);
5930 appData.animate = saveAnimate;
5932 /* check for the end of the game */
5933 if (currentMove >= forwardMostMove)
5935 gameMode = PlayFromGameFile;
5937 SetTrainingModeOff();
5938 DisplayInformation(_("End of game"));
5943 DisplayError(_("Incorrect move"), 0);
5948 /* Ok, now we know that the move is good, so we can kill
5949 the previous line in Analysis Mode */
5950 if ((gameMode == AnalyzeMode || gameMode == EditGame)
5951 && currentMove < forwardMostMove) {
5952 PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
5955 /* If we need the chess program but it's dead, restart it */
5956 ResurrectChessProgram();
5958 /* A user move restarts a paused game*/
5962 thinkOutput[0] = NULLCHAR;
5964 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
5967 if(Adjudicate(NULL)) return 1; // [HGM] adjudicate: take care of automtic game end
5969 if (gameMode == BeginningOfGame)
5971 if (appData.noChessProgram)
5973 gameMode = EditGame;
5979 gameMode = MachinePlaysBlack;
5982 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
5986 sprintf(buf, "name %s\n", gameInfo.white);
5987 SendToProgram(buf, &first);
5995 /* Relay move to ICS or chess engine */
5997 if (appData.icsActive) {
5998 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
5999 gameMode == IcsExamining) {
6000 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6001 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6003 SendMoveToICS(moveType, fromX, fromY, toX, toY);
6005 // also send plain move, in case ICS does not understand atomic claims
6006 SendMoveToICS(moveType, fromX, fromY, toX, toY);
6010 if (first.sendTime && (gameMode == BeginningOfGame ||
6011 gameMode == MachinePlaysWhite ||
6012 gameMode == MachinePlaysBlack)) {
6013 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6015 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6016 // [HGM] book: if program might be playing, let it use book
6017 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6018 first.maybeThinking = TRUE;
6019 } else SendMoveToProgram(forwardMostMove-1, &first);
6020 if (currentMove == cmailOldMove + 1) {
6021 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6025 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6030 switch (MateTest(boards[currentMove], PosFlags(currentMove)) )
6037 if (WhiteOnMove(currentMove)) {
6038 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6040 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6044 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6049 case MachinePlaysBlack:
6050 case MachinePlaysWhite:
6051 /* disable certain menu options while machine is thinking */
6052 SetMachineThinkingEnables();
6058 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6061 { // [HGM] book: simulate book reply
6062 static char bookMove[MSG_SIZ]; // a bit generous?
6065 programStats.nodes = programStats.depth = programStats.time =
6066 programStats.score = programStats.got_only_move = 0;
6067 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6069 strcpy(bookMove, "move ");
6070 strcat(bookMove, bookHit);
6071 HandleMachineMove(bookMove, &first);
6078 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
6079 int fromX, fromY, toX, toY;
6082 /* [HGM] This routine was added to allow calling of its two logical
6083 parts from other modules in the old way. Before, UserMoveEvent()
6084 automatically called FinishMove() if the move was OK, and returned
6085 otherwise. I separated the two, in order to make it possible to
6086 slip a promotion popup in between. But that it always needs two
6087 calls, to the first part, (now called UserMoveTest() ), and to
6088 FinishMove if the first part succeeded. Calls that do not need
6089 to do anything in between, can call this routine the old way.
6091 ChessMove moveType = UserMoveTest(fromX, fromY, toX, toY, promoChar, FALSE);
6092 if(appData.debugMode) fprintf(debugFP, "moveType 4 = %d, promochar = %x\n", moveType, promoChar);
6093 if(moveType == AmbiguousMove)
6094 DrawPosition(FALSE, boards[currentMove]);
6095 else if(moveType != ImpossibleMove && moveType != Comment)
6096 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6100 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6107 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6108 Markers *m = (Markers *) closure;
6109 if(rf == fromY && ff == fromX)
6110 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6111 || kind == WhiteCapturesEnPassant
6112 || kind == BlackCapturesEnPassant);
6113 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6117 MarkTargetSquares(int clear)
6120 if(!appData.markers || !appData.highlightDragging ||
6121 !appData.testLegality || gameMode == EditPosition) return;
6123 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6126 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker);
6127 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6128 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6130 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6133 DrawPosition(TRUE, NULL);
6136 void LeftClick(ClickType clickType, int xPix, int yPix)
6139 Boolean saveAnimate;
6140 static int second = 0, promotionChoice = 0;
6141 char promoChoice = NULLCHAR;
6143 if(appData.seekGraph && appData.icsActive && loggedOn &&
6144 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6145 SeekGraphClick(clickType, xPix, yPix, 0);
6149 if (clickType == Press) ErrorPopDown();
6150 MarkTargetSquares(1);
6152 x = EventToSquare(xPix, BOARD_WIDTH);
6153 y = EventToSquare(yPix, BOARD_HEIGHT);
6154 if (!flipView && y >= 0) {
6155 y = BOARD_HEIGHT - 1 - y;
6157 if (flipView && x >= 0) {
6158 x = BOARD_WIDTH - 1 - x;
6161 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6162 if(clickType == Release) return; // ignore upclick of click-click destination
6163 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6164 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6165 if(gameInfo.holdingsWidth &&
6166 (WhiteOnMove(currentMove)
6167 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y > 0
6168 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT-1) ) {
6169 // click in right holdings, for determining promotion piece
6170 ChessSquare p = boards[currentMove][y][x];
6171 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6172 if(p != EmptySquare) {
6173 FinishMove(NormalMove, fromX, fromY, toX, toY, ToLower(PieceToChar(p)));
6178 DrawPosition(FALSE, boards[currentMove]);
6182 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6183 if(clickType == Press
6184 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6185 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6186 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6190 if(!appData.oneClick || !OnlyMove(&x, &y)) {
6191 if (clickType == Press) {
6193 if (OKToStartUserMove(x, y)) {
6197 MarkTargetSquares(0);
6198 DragPieceBegin(xPix, yPix);
6199 if (appData.highlightDragging) {
6200 SetHighlights(x, y, -1, -1);
6209 if (clickType == Press && gameMode != EditPosition) {
6214 // ignore off-board to clicks
6215 if(y < 0 || x < 0) return;
6217 /* Check if clicking again on the same color piece */
6218 fromP = boards[currentMove][fromY][fromX];
6219 toP = boards[currentMove][y][x];
6220 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom;
6221 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6222 WhitePawn <= toP && toP <= WhiteKing &&
6223 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6224 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6225 (BlackPawn <= fromP && fromP <= BlackKing &&
6226 BlackPawn <= toP && toP <= BlackKing &&
6227 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6228 !(fromP == BlackKing && toP == BlackRook && frc))) {
6229 /* Clicked again on same color piece -- changed his mind */
6230 second = (x == fromX && y == fromY);
6231 if (appData.highlightDragging) {
6232 SetHighlights(x, y, -1, -1);
6236 if (OKToStartUserMove(x, y)) {
6239 MarkTargetSquares(0);
6240 DragPieceBegin(xPix, yPix);
6244 // ignore clicks on holdings
6245 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6248 if (clickType == Release && x == fromX && y == fromY) {
6249 DragPieceEnd(xPix, yPix);
6250 if (appData.animateDragging) {
6251 /* Undo animation damage if any */
6252 DrawPosition(FALSE, NULL);
6255 /* Second up/down in same square; just abort move */
6260 ClearPremoveHighlights();
6262 /* First upclick in same square; start click-click mode */
6263 SetHighlights(x, y, -1, -1);
6268 /* we now have a different from- and (possibly off-board) to-square */
6269 /* Completed move */
6272 saveAnimate = appData.animate;
6273 if (clickType == Press) {
6274 /* Finish clickclick move */
6275 if (appData.animate || appData.highlightLastMove) {
6276 SetHighlights(fromX, fromY, toX, toY);
6281 /* Finish drag move */
6282 if (appData.highlightLastMove) {
6283 SetHighlights(fromX, fromY, toX, toY);
6287 DragPieceEnd(xPix, yPix);
6288 /* Don't animate move and drag both */
6289 appData.animate = FALSE;
6292 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
6293 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
6294 ChessSquare piece = boards[currentMove][fromY][fromX];
6295 if(gameMode == EditPosition && piece != EmptySquare &&
6296 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
6299 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
6300 n = PieceToNumber(piece - (int)BlackPawn);
6301 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
6302 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
6303 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
6305 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
6306 n = PieceToNumber(piece);
6307 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
6308 boards[currentMove][n][BOARD_WIDTH-1] = piece;
6309 boards[currentMove][n][BOARD_WIDTH-2]++;
6311 boards[currentMove][fromY][fromX] = EmptySquare;
6315 DrawPosition(TRUE, boards[currentMove]);
6319 // off-board moves should not be highlighted
6320 if(x < 0 || x < 0) ClearHighlights();
6322 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
6323 SetHighlights(fromX, fromY, toX, toY);
6324 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6325 // [HGM] super: promotion to captured piece selected from holdings
6326 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
6327 promotionChoice = TRUE;
6328 // kludge follows to temporarily execute move on display, without promoting yet
6329 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
6330 boards[currentMove][toY][toX] = p;
6331 DrawPosition(FALSE, boards[currentMove]);
6332 boards[currentMove][fromY][fromX] = p; // take back, but display stays
6333 boards[currentMove][toY][toX] = q;
6334 DisplayMessage("Click in holdings to choose piece", "");
6339 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
6340 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
6341 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
6344 appData.animate = saveAnimate;
6345 if (appData.animate || appData.animateDragging) {
6346 /* Undo animation damage if needed */
6347 DrawPosition(FALSE, NULL);
6351 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
6352 { // front-end-free part taken out of PieceMenuPopup
6353 int whichMenu; int xSqr, ySqr;
6355 if(seekGraphUp) { // [HGM] seekgraph
6356 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
6357 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
6361 xSqr = EventToSquare(x, BOARD_WIDTH);
6362 ySqr = EventToSquare(y, BOARD_HEIGHT);
6363 if (action == Release) UnLoadPV(); // [HGM] pv
6364 if (action != Press) return -2; // return code to be ignored
6367 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
6369 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
6370 if (xSqr < 0 || ySqr < 0) return -1;
6371 whichMenu = 0; // edit-position menu
6374 if(!appData.icsEngineAnalyze) return -1;
6375 case IcsPlayingWhite:
6376 case IcsPlayingBlack:
6377 if(!appData.zippyPlay) goto noZip;
6380 case MachinePlaysWhite:
6381 case MachinePlaysBlack:
6382 case TwoMachinesPlay: // [HGM] pv: use for showing PV
6383 if (!appData.dropMenu) {
6385 return 2; // flag front-end to grab mouse events
6387 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
6388 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
6391 if (xSqr < 0 || ySqr < 0) return -1;
6392 if (!appData.dropMenu || appData.testLegality &&
6393 gameInfo.variant != VariantBughouse &&
6394 gameInfo.variant != VariantCrazyhouse) return -1;
6395 whichMenu = 1; // drop menu
6401 if (((*fromX = xSqr) < 0) ||
6402 ((*fromY = ySqr) < 0)) {
6403 *fromX = *fromY = -1;
6407 *fromX = BOARD_WIDTH - 1 - *fromX;
6409 *fromY = BOARD_HEIGHT - 1 - *fromY;
6414 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
6416 // char * hint = lastHint;
6417 FrontEndProgramStats stats;
6419 stats.which = cps == &first ? 0 : 1;
6420 stats.depth = cpstats->depth;
6421 stats.nodes = cpstats->nodes;
6422 stats.score = cpstats->score;
6423 stats.time = cpstats->time;
6424 stats.pv = cpstats->movelist;
6425 stats.hint = lastHint;
6426 stats.an_move_index = 0;
6427 stats.an_move_count = 0;
6429 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
6430 stats.hint = cpstats->move_name;
6431 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
6432 stats.an_move_count = cpstats->nr_moves;
6435 if(stats.pv && stats.pv[0]) strcpy(lastPV[stats.which], stats.pv); // [HGM] pv: remember last PV of each
6437 SetProgramStats( &stats );
6441 Adjudicate(ChessProgramState *cps)
6442 { // [HGM] some adjudications useful with buggy engines
6443 // [HGM] adjudicate: made into separate routine, which now can be called after every move
6444 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
6445 // Actually ending the game is now based on the additional internal condition canAdjudicate.
6446 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
6447 int k, count = 0; static int bare = 1;
6448 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
6449 Boolean canAdjudicate = !appData.icsActive;
6451 // most tests only when we understand the game, i.e. legality-checking on, and (for the time being) no piece drops
6452 if(gameInfo.holdingsSize == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6453 if( appData.testLegality )
6454 { /* [HGM] Some more adjudications for obstinate engines */
6455 int NrWN=0, NrBN=0, NrWB=0, NrBB=0, NrWR=0, NrBR=0,
6456 NrWQ=0, NrBQ=0, NrW=0, NrK=0, bishopsColor = 0,
6457 NrPieces=0, NrPawns=0, PawnAdvance=0, i, j;
6458 static int moveCount = 6;
6460 char *reason = NULL;
6463 /* Count what is on board. */
6464 for(i=0; i<BOARD_HEIGHT; i++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
6465 { ChessSquare p = boards[forwardMostMove][i][j];
6469 { /* count B,N,R and other of each side */
6472 NrK++; break; // [HGM] atomic: count Kings
6476 case WhiteFerz: // [HGM] shatranj: kludge to mke it work in shatranj
6477 bishopsColor |= 1 << ((i^j)&1);
6482 case BlackFerz: // [HGM] shatranj: kludge to mke it work in shatranj
6483 bishopsColor |= 1 << ((i^j)&1);
6498 PawnAdvance += m; NrPawns++;
6500 NrPieces += (p != EmptySquare);
6501 NrW += ((int)p < (int)BlackPawn);
6502 if(gameInfo.variant == VariantXiangqi &&
6503 (p == WhiteFerz || p == WhiteAlfil || p == BlackFerz || p == BlackAlfil)) {
6504 NrPieces--; // [HGM] XQ: do not count purely defensive pieces
6505 NrW -= ((int)p < (int)BlackPawn);
6509 /* Some material-based adjudications that have to be made before stalemate test */
6510 if(gameInfo.variant == VariantAtomic && NrK < 2) {
6511 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
6512 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
6513 if(canAdjudicate && appData.checkMates) {
6515 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6516 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6517 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
6518 "Xboard adjudication: King destroyed", GE_XBOARD );
6523 /* Bare King in Shatranj (loses) or Losers (wins) */
6524 if( NrW == 1 || NrPieces - NrW == 1) {
6525 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
6526 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
6527 if(canAdjudicate && appData.checkMates) {
6529 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
6530 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6531 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6532 "Xboard adjudication: Bare king", GE_XBOARD );
6536 if( gameInfo.variant == VariantShatranj && --bare < 0)
6538 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
6539 if(canAdjudicate && appData.checkMates) {
6540 /* but only adjudicate if adjudication enabled */
6542 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6543 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6544 GameEnds( NrW > 1 ? WhiteWins : NrPieces - NrW > 1 ? BlackWins : GameIsDrawn,
6545 "Xboard adjudication: Bare king", GE_XBOARD );
6552 // don't wait for engine to announce game end if we can judge ourselves
6553 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
6555 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
6556 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
6557 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
6558 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
6561 reason = "Xboard adjudication: 3rd check";
6562 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
6572 reason = "Xboard adjudication: Stalemate";
6573 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
6574 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
6575 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
6576 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
6577 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
6578 boards[forwardMostMove][EP_STATUS] = NrW == NrPieces-NrW ? EP_STALEMATE :
6579 ((NrW < NrPieces-NrW) != WhiteOnMove(forwardMostMove) ?
6580 EP_CHECKMATE : EP_WINS);
6581 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
6582 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
6586 reason = "Xboard adjudication: Checkmate";
6587 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
6591 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
6593 result = GameIsDrawn; break;
6595 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
6597 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
6599 result = (ChessMove) 0;
6601 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
6603 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6604 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6605 GameEnds( result, reason, GE_XBOARD );
6609 /* Next absolutely insufficient mating material. */
6610 if( NrPieces == 2 || gameInfo.variant != VariantXiangqi &&
6611 gameInfo.variant != VariantShatranj && // [HGM] baring will remain possible
6612 (NrPieces == 3 && NrWN+NrBN+NrWB+NrBB == 1 ||
6613 NrPieces == NrBB+NrWB+2 && bishopsColor != 3)) // [HGM] all Bishops (Ferz!) same color
6614 { /* KBK, KNK, KK of KBKB with like Bishops */
6616 /* always flag draws, for judging claims */
6617 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
6619 if(canAdjudicate && appData.materialDraws) {
6620 /* but only adjudicate them if adjudication enabled */
6621 if(engineOpponent) {
6622 SendToProgram("force\n", engineOpponent); // suppress reply
6623 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
6625 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6626 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
6631 /* Then some trivial draws (only adjudicate, cannot be claimed) */
6633 ( NrWR == 1 && NrBR == 1 /* KRKR */
6634 || NrWQ==1 && NrBQ==1 /* KQKQ */
6635 || NrWN==2 || NrBN==2 /* KNNK */
6636 || NrWN+NrWB == 1 && NrBN+NrBB == 1 /* KBKN, KBKB, KNKN */
6638 if(canAdjudicate && --moveCount < 0 && appData.trivialDraws)
6639 { /* if the first 3 moves do not show a tactical win, declare draw */
6640 if(engineOpponent) {
6641 SendToProgram("force\n", engineOpponent); // suppress reply
6642 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6644 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6645 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
6648 } else moveCount = 6;
6652 if (appData.debugMode) { int i;
6653 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
6654 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
6655 appData.drawRepeats);
6656 for( i=forwardMostMove; i>=backwardMostMove; i-- )
6657 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
6661 // Repetition draws and 50-move rule can be applied independently of legality testing
6663 /* Check for rep-draws */
6665 for(k = forwardMostMove-2;
6666 k>=backwardMostMove && k>=forwardMostMove-100 &&
6667 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
6668 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
6671 if(CompareBoards(boards[k], boards[forwardMostMove])) {
6672 /* compare castling rights */
6673 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
6674 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
6675 rights++; /* King lost rights, while rook still had them */
6676 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
6677 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
6678 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
6679 rights++; /* but at least one rook lost them */
6681 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
6682 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
6684 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
6685 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
6686 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
6689 if( canAdjudicate && rights == 0 && ++count > appData.drawRepeats-2
6690 && appData.drawRepeats > 1) {
6691 /* adjudicate after user-specified nr of repeats */
6692 if(engineOpponent) {
6693 SendToProgram("force\n", engineOpponent); // suppress reply
6694 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6696 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6697 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
6698 // [HGM] xiangqi: check for forbidden perpetuals
6699 int m, ourPerpetual = 1, hisPerpetual = 1;
6700 for(m=forwardMostMove; m>k; m-=2) {
6701 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
6702 ourPerpetual = 0; // the current mover did not always check
6703 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
6704 hisPerpetual = 0; // the opponent did not always check
6706 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
6707 ourPerpetual, hisPerpetual);
6708 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
6709 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6710 "Xboard adjudication: perpetual checking", GE_XBOARD );
6713 if(hisPerpetual && !ourPerpetual) // he is checking us, but did not repeat yet
6714 break; // (or we would have caught him before). Abort repetition-checking loop.
6715 // Now check for perpetual chases
6716 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
6717 hisPerpetual = PerpetualChase(k, forwardMostMove);
6718 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
6719 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
6720 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6721 "Xboard adjudication: perpetual chasing", GE_XBOARD );
6724 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
6725 break; // Abort repetition-checking loop.
6727 // if neither of us is checking or chasing all the time, or both are, it is draw
6729 GameEnds( GameIsDrawn, "Xboard adjudication: repetition draw", GE_XBOARD );
6732 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
6733 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
6737 /* Now we test for 50-move draws. Determine ply count */
6738 count = forwardMostMove;
6739 /* look for last irreversble move */
6740 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
6742 /* if we hit starting position, add initial plies */
6743 if( count == backwardMostMove )
6744 count -= initialRulePlies;
6745 count = forwardMostMove - count;
6747 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
6748 /* this is used to judge if draw claims are legal */
6749 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
6750 if(engineOpponent) {
6751 SendToProgram("force\n", engineOpponent); // suppress reply
6752 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6754 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6755 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
6759 /* if draw offer is pending, treat it as a draw claim
6760 * when draw condition present, to allow engines a way to
6761 * claim draws before making their move to avoid a race
6762 * condition occurring after their move
6764 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
6766 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
6767 p = "Draw claim: 50-move rule";
6768 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
6769 p = "Draw claim: 3-fold repetition";
6770 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
6771 p = "Draw claim: insufficient mating material";
6772 if( p != NULL && canAdjudicate) {
6773 if(engineOpponent) {
6774 SendToProgram("force\n", engineOpponent); // suppress reply
6775 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6777 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6778 GameEnds( GameIsDrawn, p, GE_XBOARD );
6783 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
6784 if(engineOpponent) {
6785 SendToProgram("force\n", engineOpponent); // suppress reply
6786 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6788 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6789 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
6795 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
6796 { // [HGM] book: this routine intercepts moves to simulate book replies
6797 char *bookHit = NULL;
6799 //first determine if the incoming move brings opponent into his book
6800 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
6801 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
6802 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
6803 if(bookHit != NULL && !cps->bookSuspend) {
6804 // make sure opponent is not going to reply after receiving move to book position
6805 SendToProgram("force\n", cps);
6806 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
6808 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
6809 // now arrange restart after book miss
6811 // after a book hit we never send 'go', and the code after the call to this routine
6812 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
6814 if (cps->useUsermove) sprintf(buf, "usermove "); // sorry, no SAN yet :(
6815 sprintf(buf, "%s\n", bookHit); // force book move into program supposed to play it
6816 SendToProgram(buf, cps);
6817 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
6818 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
6819 SendToProgram("go\n", cps);
6820 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
6821 } else { // 'go' might be sent based on 'firstMove' after this routine returns
6822 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
6823 SendToProgram("go\n", cps);
6824 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
6826 return bookHit; // notify caller of hit, so it can take action to send move to opponent
6830 ChessProgramState *savedState;
6831 void DeferredBookMove(void)
6833 if(savedState->lastPing != savedState->lastPong)
6834 ScheduleDelayedEvent(DeferredBookMove, 10);
6836 HandleMachineMove(savedMessage, savedState);
6840 HandleMachineMove(message, cps)
6842 ChessProgramState *cps;
6844 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
6845 char realname[MSG_SIZ];
6846 int fromX, fromY, toX, toY;
6855 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
6857 * Kludge to ignore BEL characters
6859 while (*message == '\007') message++;
6862 * [HGM] engine debug message: ignore lines starting with '#' character
6864 if(cps->debug && *message == '#') return;
6867 * Look for book output
6869 if (cps == &first && bookRequested) {
6870 if (message[0] == '\t' || message[0] == ' ') {
6871 /* Part of the book output is here; append it */
6872 strcat(bookOutput, message);
6873 strcat(bookOutput, " \n");
6875 } else if (bookOutput[0] != NULLCHAR) {
6876 /* All of book output has arrived; display it */
6877 char *p = bookOutput;
6878 while (*p != NULLCHAR) {
6879 if (*p == '\t') *p = ' ';
6882 DisplayInformation(bookOutput);
6883 bookRequested = FALSE;
6884 /* Fall through to parse the current output */
6889 * Look for machine move.
6891 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
6892 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
6894 /* This method is only useful on engines that support ping */
6895 if (cps->lastPing != cps->lastPong) {
6896 if (gameMode == BeginningOfGame) {
6897 /* Extra move from before last new; ignore */
6898 if (appData.debugMode) {
6899 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
6902 if (appData.debugMode) {
6903 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
6904 cps->which, gameMode);
6907 SendToProgram("undo\n", cps);
6913 case BeginningOfGame:
6914 /* Extra move from before last reset; ignore */
6915 if (appData.debugMode) {
6916 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
6923 /* Extra move after we tried to stop. The mode test is
6924 not a reliable way of detecting this problem, but it's
6925 the best we can do on engines that don't support ping.
6927 if (appData.debugMode) {
6928 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
6929 cps->which, gameMode);
6931 SendToProgram("undo\n", cps);
6934 case MachinePlaysWhite:
6935 case IcsPlayingWhite:
6936 machineWhite = TRUE;
6939 case MachinePlaysBlack:
6940 case IcsPlayingBlack:
6941 machineWhite = FALSE;
6944 case TwoMachinesPlay:
6945 machineWhite = (cps->twoMachinesColor[0] == 'w');
6948 if (WhiteOnMove(forwardMostMove) != machineWhite) {
6949 if (appData.debugMode) {
6951 "Ignoring move out of turn by %s, gameMode %d"
6952 ", forwardMost %d\n",
6953 cps->which, gameMode, forwardMostMove);
6958 if (appData.debugMode) { int f = forwardMostMove;
6959 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
6960 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
6961 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
6963 if(cps->alphaRank) AlphaRank(machineMove, 4);
6964 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
6965 &fromX, &fromY, &toX, &toY, &promoChar)) {
6966 /* Machine move could not be parsed; ignore it. */
6967 sprintf(buf1, _("Illegal move \"%s\" from %s machine"),
6968 machineMove, cps->which);
6969 DisplayError(buf1, 0);
6970 sprintf(buf1, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
6971 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
6972 if (gameMode == TwoMachinesPlay) {
6973 GameEnds(machineWhite ? BlackWins : WhiteWins,
6979 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
6980 /* So we have to redo legality test with true e.p. status here, */
6981 /* to make sure an illegal e.p. capture does not slip through, */
6982 /* to cause a forfeit on a justified illegal-move complaint */
6983 /* of the opponent. */
6984 if( gameMode==TwoMachinesPlay && appData.testLegality
6985 && fromY != DROP_RANK /* [HGM] temporary; should still add legality test for drops */
6988 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
6989 fromY, fromX, toY, toX, promoChar);
6990 if (appData.debugMode) {
6992 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
6993 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
6994 fprintf(debugFP, "castling rights\n");
6996 if(moveType == IllegalMove) {
6997 sprintf(buf1, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
6998 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
6999 GameEnds(machineWhite ? BlackWins : WhiteWins,
7002 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7003 /* [HGM] Kludge to handle engines that send FRC-style castling
7004 when they shouldn't (like TSCP-Gothic) */
7006 case WhiteASideCastleFR:
7007 case BlackASideCastleFR:
7009 currentMoveString[2]++;
7011 case WhiteHSideCastleFR:
7012 case BlackHSideCastleFR:
7014 currentMoveString[2]--;
7016 default: ; // nothing to do, but suppresses warning of pedantic compilers
7019 hintRequested = FALSE;
7020 lastHint[0] = NULLCHAR;
7021 bookRequested = FALSE;
7022 /* Program may be pondering now */
7023 cps->maybeThinking = TRUE;
7024 if (cps->sendTime == 2) cps->sendTime = 1;
7025 if (cps->offeredDraw) cps->offeredDraw--;
7027 /* currentMoveString is set as a side-effect of ParseOneMove */
7028 strcpy(machineMove, currentMoveString);
7029 strcat(machineMove, "\n");
7030 strcpy(moveList[forwardMostMove], machineMove);
7032 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7034 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7035 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7038 while( count < adjudicateLossPlies ) {
7039 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7042 score = -score; /* Flip score for winning side */
7045 if( score > adjudicateLossThreshold ) {
7052 if( count >= adjudicateLossPlies ) {
7053 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7055 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7056 "Xboard adjudication",
7063 if(Adjudicate(cps)) return; // [HGM] adjudicate: for all automatic game ends
7066 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7068 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7069 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7071 SendMoveToICS(moveType, fromX, fromY, toX, toY);
7073 SendMoveToICS(moveType, fromX, fromY, toX, toY);
7075 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
7076 char buf[3*MSG_SIZ];
7078 sprintf(buf, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
7079 programStats.score / 100.,
7081 programStats.time / 100.,
7082 (unsigned int)programStats.nodes,
7083 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
7084 programStats.movelist);
7086 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
7091 /* [AS] Save move info and clear stats for next move */
7092 pvInfoList[ forwardMostMove-1 ].score = programStats.score;
7093 pvInfoList[ forwardMostMove-1 ].depth = programStats.depth;
7094 pvInfoList[ forwardMostMove-1 ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7095 ClearProgramStats();
7096 thinkOutput[0] = NULLCHAR;
7097 hiddenThinkOutputState = 0;
7100 if (gameMode == TwoMachinesPlay) {
7101 /* [HGM] relaying draw offers moved to after reception of move */
7102 /* and interpreting offer as claim if it brings draw condition */
7103 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
7104 SendToProgram("draw\n", cps->other);
7106 if (cps->other->sendTime) {
7107 SendTimeRemaining(cps->other,
7108 cps->other->twoMachinesColor[0] == 'w');
7110 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
7111 if (firstMove && !bookHit) {
7113 if (cps->other->useColors) {
7114 SendToProgram(cps->other->twoMachinesColor, cps->other);
7116 SendToProgram("go\n", cps->other);
7118 cps->other->maybeThinking = TRUE;
7121 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7123 if (!pausing && appData.ringBellAfterMoves) {
7128 * Reenable menu items that were disabled while
7129 * machine was thinking
7131 if (gameMode != TwoMachinesPlay)
7132 SetUserThinkingEnables();
7134 // [HGM] book: after book hit opponent has received move and is now in force mode
7135 // force the book reply into it, and then fake that it outputted this move by jumping
7136 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
7138 static char bookMove[MSG_SIZ]; // a bit generous?
7140 strcpy(bookMove, "move ");
7141 strcat(bookMove, bookHit);
7144 programStats.nodes = programStats.depth = programStats.time =
7145 programStats.score = programStats.got_only_move = 0;
7146 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7148 if(cps->lastPing != cps->lastPong) {
7149 savedMessage = message; // args for deferred call
7151 ScheduleDelayedEvent(DeferredBookMove, 10);
7160 /* Set special modes for chess engines. Later something general
7161 * could be added here; for now there is just one kludge feature,
7162 * needed because Crafty 15.10 and earlier don't ignore SIGINT
7163 * when "xboard" is given as an interactive command.
7165 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
7166 cps->useSigint = FALSE;
7167 cps->useSigterm = FALSE;
7169 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
7170 ParseFeatures(message+8, cps);
7171 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
7174 /* [HGM] Allow engine to set up a position. Don't ask me why one would
7175 * want this, I was asked to put it in, and obliged.
7177 if (!strncmp(message, "setboard ", 9)) {
7178 Board initial_position;
7180 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
7182 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
7183 DisplayError(_("Bad FEN received from engine"), 0);
7187 CopyBoard(boards[0], initial_position);
7188 initialRulePlies = FENrulePlies;
7189 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
7190 else gameMode = MachinePlaysBlack;
7191 DrawPosition(FALSE, boards[currentMove]);
7197 * Look for communication commands
7199 if (!strncmp(message, "telluser ", 9)) {
7200 DisplayNote(message + 9);
7203 if (!strncmp(message, "tellusererror ", 14)) {
7205 DisplayError(message + 14, 0);
7208 if (!strncmp(message, "tellopponent ", 13)) {
7209 if (appData.icsActive) {
7211 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
7215 DisplayNote(message + 13);
7219 if (!strncmp(message, "tellothers ", 11)) {
7220 if (appData.icsActive) {
7222 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
7228 if (!strncmp(message, "tellall ", 8)) {
7229 if (appData.icsActive) {
7231 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
7235 DisplayNote(message + 8);
7239 if (strncmp(message, "warning", 7) == 0) {
7240 /* Undocumented feature, use tellusererror in new code */
7241 DisplayError(message, 0);
7244 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
7245 strcpy(realname, cps->tidy);
7246 strcat(realname, " query");
7247 AskQuestion(realname, buf2, buf1, cps->pr);
7250 /* Commands from the engine directly to ICS. We don't allow these to be
7251 * sent until we are logged on. Crafty kibitzes have been known to
7252 * interfere with the login process.
7255 if (!strncmp(message, "tellics ", 8)) {
7256 SendToICS(message + 8);
7260 if (!strncmp(message, "tellicsnoalias ", 15)) {
7261 SendToICS(ics_prefix);
7262 SendToICS(message + 15);
7266 /* The following are for backward compatibility only */
7267 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
7268 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
7269 SendToICS(ics_prefix);
7275 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
7279 * If the move is illegal, cancel it and redraw the board.
7280 * Also deal with other error cases. Matching is rather loose
7281 * here to accommodate engines written before the spec.
7283 if (strncmp(message + 1, "llegal move", 11) == 0 ||
7284 strncmp(message, "Error", 5) == 0) {
7285 if (StrStr(message, "name") ||
7286 StrStr(message, "rating") || StrStr(message, "?") ||
7287 StrStr(message, "result") || StrStr(message, "board") ||
7288 StrStr(message, "bk") || StrStr(message, "computer") ||
7289 StrStr(message, "variant") || StrStr(message, "hint") ||
7290 StrStr(message, "random") || StrStr(message, "depth") ||
7291 StrStr(message, "accepted")) {
7294 if (StrStr(message, "protover")) {
7295 /* Program is responding to input, so it's apparently done
7296 initializing, and this error message indicates it is
7297 protocol version 1. So we don't need to wait any longer
7298 for it to initialize and send feature commands. */
7299 FeatureDone(cps, 1);
7300 cps->protocolVersion = 1;
7303 cps->maybeThinking = FALSE;
7305 if (StrStr(message, "draw")) {
7306 /* Program doesn't have "draw" command */
7307 cps->sendDrawOffers = 0;
7310 if (cps->sendTime != 1 &&
7311 (StrStr(message, "time") || StrStr(message, "otim"))) {
7312 /* Program apparently doesn't have "time" or "otim" command */
7316 if (StrStr(message, "analyze")) {
7317 cps->analysisSupport = FALSE;
7318 cps->analyzing = FALSE;
7320 sprintf(buf2, _("%s does not support analysis"), cps->tidy);
7321 DisplayError(buf2, 0);
7324 if (StrStr(message, "(no matching move)st")) {
7325 /* Special kludge for GNU Chess 4 only */
7326 cps->stKludge = TRUE;
7327 SendTimeControl(cps, movesPerSession, timeControl,
7328 timeIncrement, appData.searchDepth,
7332 if (StrStr(message, "(no matching move)sd")) {
7333 /* Special kludge for GNU Chess 4 only */
7334 cps->sdKludge = TRUE;
7335 SendTimeControl(cps, movesPerSession, timeControl,
7336 timeIncrement, appData.searchDepth,
7340 if (!StrStr(message, "llegal")) {
7343 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7344 gameMode == IcsIdle) return;
7345 if (forwardMostMove <= backwardMostMove) return;
7346 if (pausing) PauseEvent();
7347 if(appData.forceIllegal) {
7348 // [HGM] illegal: machine refused move; force position after move into it
7349 SendToProgram("force\n", cps);
7350 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
7351 // we have a real problem now, as SendBoard will use the a2a3 kludge
7352 // when black is to move, while there might be nothing on a2 or black
7353 // might already have the move. So send the board as if white has the move.
7354 // But first we must change the stm of the engine, as it refused the last move
7355 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
7356 if(WhiteOnMove(forwardMostMove)) {
7357 SendToProgram("a7a6\n", cps); // for the engine black still had the move
7358 SendBoard(cps, forwardMostMove); // kludgeless board
7360 SendToProgram("a2a3\n", cps); // for the engine white still had the move
7361 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7362 SendBoard(cps, forwardMostMove+1); // kludgeless board
7364 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
7365 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
7366 gameMode == TwoMachinesPlay)
7367 SendToProgram("go\n", cps);
7370 if (gameMode == PlayFromGameFile) {
7371 /* Stop reading this game file */
7372 gameMode = EditGame;
7375 currentMove = --forwardMostMove;
7376 DisplayMove(currentMove-1); /* before DisplayMoveError */
7378 DisplayBothClocks();
7379 sprintf(buf1, _("Illegal move \"%s\" (rejected by %s chess program)"),
7380 parseList[currentMove], cps->which);
7381 DisplayMoveError(buf1);
7382 DrawPosition(FALSE, boards[currentMove]);
7384 /* [HGM] illegal-move claim should forfeit game when Xboard */
7385 /* only passes fully legal moves */
7386 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
7387 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
7388 "False illegal-move claim", GE_XBOARD );
7392 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
7393 /* Program has a broken "time" command that
7394 outputs a string not ending in newline.
7400 * If chess program startup fails, exit with an error message.
7401 * Attempts to recover here are futile.
7403 if ((StrStr(message, "unknown host") != NULL)
7404 || (StrStr(message, "No remote directory") != NULL)
7405 || (StrStr(message, "not found") != NULL)
7406 || (StrStr(message, "No such file") != NULL)
7407 || (StrStr(message, "can't alloc") != NULL)
7408 || (StrStr(message, "Permission denied") != NULL)) {
7410 cps->maybeThinking = FALSE;
7411 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
7412 cps->which, cps->program, cps->host, message);
7413 RemoveInputSource(cps->isr);
7414 DisplayFatalError(buf1, 0, 1);
7419 * Look for hint output
7421 if (sscanf(message, "Hint: %s", buf1) == 1) {
7422 if (cps == &first && hintRequested) {
7423 hintRequested = FALSE;
7424 if (ParseOneMove(buf1, forwardMostMove, &moveType,
7425 &fromX, &fromY, &toX, &toY, &promoChar)) {
7426 (void) CoordsToAlgebraic(boards[forwardMostMove],
7427 PosFlags(forwardMostMove),
7428 fromY, fromX, toY, toX, promoChar, buf1);
7429 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
7430 DisplayInformation(buf2);
7432 /* Hint move could not be parsed!? */
7433 snprintf(buf2, sizeof(buf2),
7434 _("Illegal hint move \"%s\"\nfrom %s chess program"),
7436 DisplayError(buf2, 0);
7439 strcpy(lastHint, buf1);
7445 * Ignore other messages if game is not in progress
7447 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7448 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
7451 * look for win, lose, draw, or draw offer
7453 if (strncmp(message, "1-0", 3) == 0) {
7454 char *p, *q, *r = "";
7455 p = strchr(message, '{');
7463 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
7465 } else if (strncmp(message, "0-1", 3) == 0) {
7466 char *p, *q, *r = "";
7467 p = strchr(message, '{');
7475 /* Kludge for Arasan 4.1 bug */
7476 if (strcmp(r, "Black resigns") == 0) {
7477 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
7480 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
7482 } else if (strncmp(message, "1/2", 3) == 0) {
7483 char *p, *q, *r = "";
7484 p = strchr(message, '{');
7493 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
7496 } else if (strncmp(message, "White resign", 12) == 0) {
7497 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7499 } else if (strncmp(message, "Black resign", 12) == 0) {
7500 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7502 } else if (strncmp(message, "White matches", 13) == 0 ||
7503 strncmp(message, "Black matches", 13) == 0 ) {
7504 /* [HGM] ignore GNUShogi noises */
7506 } else if (strncmp(message, "White", 5) == 0 &&
7507 message[5] != '(' &&
7508 StrStr(message, "Black") == NULL) {
7509 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7511 } else if (strncmp(message, "Black", 5) == 0 &&
7512 message[5] != '(') {
7513 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7515 } else if (strcmp(message, "resign") == 0 ||
7516 strcmp(message, "computer resigns") == 0) {
7518 case MachinePlaysBlack:
7519 case IcsPlayingBlack:
7520 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
7522 case MachinePlaysWhite:
7523 case IcsPlayingWhite:
7524 GameEnds(BlackWins, "White resigns", GE_ENGINE);
7526 case TwoMachinesPlay:
7527 if (cps->twoMachinesColor[0] == 'w')
7528 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7530 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7537 } else if (strncmp(message, "opponent mates", 14) == 0) {
7539 case MachinePlaysBlack:
7540 case IcsPlayingBlack:
7541 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7543 case MachinePlaysWhite:
7544 case IcsPlayingWhite:
7545 GameEnds(BlackWins, "Black mates", GE_ENGINE);
7547 case TwoMachinesPlay:
7548 if (cps->twoMachinesColor[0] == 'w')
7549 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7551 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7558 } else if (strncmp(message, "computer mates", 14) == 0) {
7560 case MachinePlaysBlack:
7561 case IcsPlayingBlack:
7562 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
7564 case MachinePlaysWhite:
7565 case IcsPlayingWhite:
7566 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7568 case TwoMachinesPlay:
7569 if (cps->twoMachinesColor[0] == 'w')
7570 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7572 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7579 } else if (strncmp(message, "checkmate", 9) == 0) {
7580 if (WhiteOnMove(forwardMostMove)) {
7581 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7583 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7586 } else if (strstr(message, "Draw") != NULL ||
7587 strstr(message, "game is a draw") != NULL) {
7588 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
7590 } else if (strstr(message, "offer") != NULL &&
7591 strstr(message, "draw") != NULL) {
7593 if (appData.zippyPlay && first.initDone) {
7594 /* Relay offer to ICS */
7595 SendToICS(ics_prefix);
7596 SendToICS("draw\n");
7599 cps->offeredDraw = 2; /* valid until this engine moves twice */
7600 if (gameMode == TwoMachinesPlay) {
7601 if (cps->other->offeredDraw) {
7602 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7603 /* [HGM] in two-machine mode we delay relaying draw offer */
7604 /* until after we also have move, to see if it is really claim */
7606 } else if (gameMode == MachinePlaysWhite ||
7607 gameMode == MachinePlaysBlack) {
7608 if (userOfferedDraw) {
7609 DisplayInformation(_("Machine accepts your draw offer"));
7610 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7612 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
7619 * Look for thinking output
7621 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
7622 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7624 int plylev, mvleft, mvtot, curscore, time;
7625 char mvname[MOVE_LEN];
7629 int prefixHint = FALSE;
7630 mvname[0] = NULLCHAR;
7633 case MachinePlaysBlack:
7634 case IcsPlayingBlack:
7635 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7637 case MachinePlaysWhite:
7638 case IcsPlayingWhite:
7639 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7644 case IcsObserving: /* [DM] icsEngineAnalyze */
7645 if (!appData.icsEngineAnalyze) ignore = TRUE;
7647 case TwoMachinesPlay:
7648 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
7659 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7660 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
7662 if (plyext != ' ' && plyext != '\t') {
7666 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7667 if( cps->scoreIsAbsolute &&
7668 ( gameMode == MachinePlaysBlack ||
7669 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
7670 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
7671 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
7672 !WhiteOnMove(currentMove)
7675 curscore = -curscore;
7679 programStats.depth = plylev;
7680 programStats.nodes = nodes;
7681 programStats.time = time;
7682 programStats.score = curscore;
7683 programStats.got_only_move = 0;
7685 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
7688 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
7689 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
7690 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
7691 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
7692 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
7693 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
7694 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
7695 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
7698 /* Buffer overflow protection */
7699 if (buf1[0] != NULLCHAR) {
7700 if (strlen(buf1) >= sizeof(programStats.movelist)
7701 && appData.debugMode) {
7703 "PV is too long; using the first %u bytes.\n",
7704 (unsigned) sizeof(programStats.movelist) - 1);
7707 safeStrCpy( programStats.movelist, buf1, sizeof(programStats.movelist) );
7709 sprintf(programStats.movelist, " no PV\n");
7712 if (programStats.seen_stat) {
7713 programStats.ok_to_send = 1;
7716 if (strchr(programStats.movelist, '(') != NULL) {
7717 programStats.line_is_book = 1;
7718 programStats.nr_moves = 0;
7719 programStats.moves_left = 0;
7721 programStats.line_is_book = 0;
7724 SendProgramStatsToFrontend( cps, &programStats );
7727 [AS] Protect the thinkOutput buffer from overflow... this
7728 is only useful if buf1 hasn't overflowed first!
7730 sprintf(thinkOutput, "[%d]%c%+.2f %s%s",
7732 (gameMode == TwoMachinesPlay ?
7733 ToUpper(cps->twoMachinesColor[0]) : ' '),
7734 ((double) curscore) / 100.0,
7735 prefixHint ? lastHint : "",
7736 prefixHint ? " " : "" );
7738 if( buf1[0] != NULLCHAR ) {
7739 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
7741 if( strlen(buf1) > max_len ) {
7742 if( appData.debugMode) {
7743 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
7745 buf1[max_len+1] = '\0';
7748 strcat( thinkOutput, buf1 );
7751 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
7752 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7753 DisplayMove(currentMove - 1);
7757 } else if ((p=StrStr(message, "(only move)")) != NULL) {
7758 /* crafty (9.25+) says "(only move) <move>"
7759 * if there is only 1 legal move
7761 sscanf(p, "(only move) %s", buf1);
7762 sprintf(thinkOutput, "%s (only move)", buf1);
7763 sprintf(programStats.movelist, "%s (only move)", buf1);
7764 programStats.depth = 1;
7765 programStats.nr_moves = 1;
7766 programStats.moves_left = 1;
7767 programStats.nodes = 1;
7768 programStats.time = 1;
7769 programStats.got_only_move = 1;
7771 /* Not really, but we also use this member to
7772 mean "line isn't going to change" (Crafty
7773 isn't searching, so stats won't change) */
7774 programStats.line_is_book = 1;
7776 SendProgramStatsToFrontend( cps, &programStats );
7778 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
7779 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7780 DisplayMove(currentMove - 1);
7783 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
7784 &time, &nodes, &plylev, &mvleft,
7785 &mvtot, mvname) >= 5) {
7786 /* The stat01: line is from Crafty (9.29+) in response
7787 to the "." command */
7788 programStats.seen_stat = 1;
7789 cps->maybeThinking = TRUE;
7791 if (programStats.got_only_move || !appData.periodicUpdates)
7794 programStats.depth = plylev;
7795 programStats.time = time;
7796 programStats.nodes = nodes;
7797 programStats.moves_left = mvleft;
7798 programStats.nr_moves = mvtot;
7799 strcpy(programStats.move_name, mvname);
7800 programStats.ok_to_send = 1;
7801 programStats.movelist[0] = '\0';
7803 SendProgramStatsToFrontend( cps, &programStats );
7807 } else if (strncmp(message,"++",2) == 0) {
7808 /* Crafty 9.29+ outputs this */
7809 programStats.got_fail = 2;
7812 } else if (strncmp(message,"--",2) == 0) {
7813 /* Crafty 9.29+ outputs this */
7814 programStats.got_fail = 1;
7817 } else if (thinkOutput[0] != NULLCHAR &&
7818 strncmp(message, " ", 4) == 0) {
7819 unsigned message_len;
7822 while (*p && *p == ' ') p++;
7824 message_len = strlen( p );
7826 /* [AS] Avoid buffer overflow */
7827 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
7828 strcat(thinkOutput, " ");
7829 strcat(thinkOutput, p);
7832 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
7833 strcat(programStats.movelist, " ");
7834 strcat(programStats.movelist, p);
7837 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
7838 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7839 DisplayMove(currentMove - 1);
7847 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7848 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
7850 ChessProgramStats cpstats;
7852 if (plyext != ' ' && plyext != '\t') {
7856 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7857 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
7858 curscore = -curscore;
7861 cpstats.depth = plylev;
7862 cpstats.nodes = nodes;
7863 cpstats.time = time;
7864 cpstats.score = curscore;
7865 cpstats.got_only_move = 0;
7866 cpstats.movelist[0] = '\0';
7868 if (buf1[0] != NULLCHAR) {
7869 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist) );
7872 cpstats.ok_to_send = 0;
7873 cpstats.line_is_book = 0;
7874 cpstats.nr_moves = 0;
7875 cpstats.moves_left = 0;
7877 SendProgramStatsToFrontend( cps, &cpstats );
7884 /* Parse a game score from the character string "game", and
7885 record it as the history of the current game. The game
7886 score is NOT assumed to start from the standard position.
7887 The display is not updated in any way.
7890 ParseGameHistory(game)
7894 int fromX, fromY, toX, toY, boardIndex;
7899 if (appData.debugMode)
7900 fprintf(debugFP, "Parsing game history: %s\n", game);
7902 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
7903 gameInfo.site = StrSave(appData.icsHost);
7904 gameInfo.date = PGNDate();
7905 gameInfo.round = StrSave("-");
7907 /* Parse out names of players */
7908 while (*game == ' ') game++;
7910 while (*game != ' ') *p++ = *game++;
7912 gameInfo.white = StrSave(buf);
7913 while (*game == ' ') game++;
7915 while (*game != ' ' && *game != '\n') *p++ = *game++;
7917 gameInfo.black = StrSave(buf);
7920 boardIndex = blackPlaysFirst ? 1 : 0;
7923 yyboardindex = boardIndex;
7924 moveType = (ChessMove) yylex();
7926 case IllegalMove: /* maybe suicide chess, etc. */
7927 if (appData.debugMode) {
7928 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
7929 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
7930 setbuf(debugFP, NULL);
7932 case WhitePromotionChancellor:
7933 case BlackPromotionChancellor:
7934 case WhitePromotionArchbishop:
7935 case BlackPromotionArchbishop:
7936 case WhitePromotionQueen:
7937 case BlackPromotionQueen:
7938 case WhitePromotionRook:
7939 case BlackPromotionRook:
7940 case WhitePromotionBishop:
7941 case BlackPromotionBishop:
7942 case WhitePromotionKnight:
7943 case BlackPromotionKnight:
7944 case WhitePromotionKing:
7945 case BlackPromotionKing:
7947 case WhiteCapturesEnPassant:
7948 case BlackCapturesEnPassant:
7949 case WhiteKingSideCastle:
7950 case WhiteQueenSideCastle:
7951 case BlackKingSideCastle:
7952 case BlackQueenSideCastle:
7953 case WhiteKingSideCastleWild:
7954 case WhiteQueenSideCastleWild:
7955 case BlackKingSideCastleWild:
7956 case BlackQueenSideCastleWild:
7958 case WhiteHSideCastleFR:
7959 case WhiteASideCastleFR:
7960 case BlackHSideCastleFR:
7961 case BlackASideCastleFR:
7963 fromX = currentMoveString[0] - AAA;
7964 fromY = currentMoveString[1] - ONE;
7965 toX = currentMoveString[2] - AAA;
7966 toY = currentMoveString[3] - ONE;
7967 promoChar = currentMoveString[4];
7971 fromX = moveType == WhiteDrop ?
7972 (int) CharToPiece(ToUpper(currentMoveString[0])) :
7973 (int) CharToPiece(ToLower(currentMoveString[0]));
7975 toX = currentMoveString[2] - AAA;
7976 toY = currentMoveString[3] - ONE;
7977 promoChar = NULLCHAR;
7981 sprintf(buf, _("Ambiguous move in ICS output: \"%s\""), yy_text);
7982 if (appData.debugMode) {
7983 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
7984 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
7985 setbuf(debugFP, NULL);
7987 DisplayError(buf, 0);
7989 case ImpossibleMove:
7991 sprintf(buf, _("Illegal move in ICS output: \"%s\""), yy_text);
7992 if (appData.debugMode) {
7993 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
7994 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
7995 setbuf(debugFP, NULL);
7997 DisplayError(buf, 0);
7999 case (ChessMove) 0: /* end of file */
8000 if (boardIndex < backwardMostMove) {
8001 /* Oops, gap. How did that happen? */
8002 DisplayError(_("Gap in move list"), 0);
8005 backwardMostMove = blackPlaysFirst ? 1 : 0;
8006 if (boardIndex > forwardMostMove) {
8007 forwardMostMove = boardIndex;
8011 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8012 strcat(parseList[boardIndex-1], " ");
8013 strcat(parseList[boardIndex-1], yy_text);
8025 case GameUnfinished:
8026 if (gameMode == IcsExamining) {
8027 if (boardIndex < backwardMostMove) {
8028 /* Oops, gap. How did that happen? */
8031 backwardMostMove = blackPlaysFirst ? 1 : 0;
8034 gameInfo.result = moveType;
8035 p = strchr(yy_text, '{');
8036 if (p == NULL) p = strchr(yy_text, '(');
8039 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8041 q = strchr(p, *p == '{' ? '}' : ')');
8042 if (q != NULL) *q = NULLCHAR;
8045 gameInfo.resultDetails = StrSave(p);
8048 if (boardIndex >= forwardMostMove &&
8049 !(gameMode == IcsObserving && ics_gamenum == -1)) {
8050 backwardMostMove = blackPlaysFirst ? 1 : 0;
8053 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
8054 fromY, fromX, toY, toX, promoChar,
8055 parseList[boardIndex]);
8056 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
8057 /* currentMoveString is set as a side-effect of yylex */
8058 strcpy(moveList[boardIndex], currentMoveString);
8059 strcat(moveList[boardIndex], "\n");
8061 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
8062 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
8068 if(gameInfo.variant != VariantShogi)
8069 strcat(parseList[boardIndex - 1], "+");
8073 strcat(parseList[boardIndex - 1], "#");
8080 /* Apply a move to the given board */
8082 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
8083 int fromX, fromY, toX, toY;
8087 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
8088 int promoRank = gameInfo.variant == VariantMakruk ? 3 : 1;
8090 /* [HGM] compute & store e.p. status and castling rights for new position */
8091 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
8094 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
8095 oldEP = (signed char)board[EP_STATUS];
8096 board[EP_STATUS] = EP_NONE;
8098 if( board[toY][toX] != EmptySquare )
8099 board[EP_STATUS] = EP_CAPTURE;
8101 if( board[fromY][fromX] == WhitePawn ) {
8102 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8103 board[EP_STATUS] = EP_PAWN_MOVE;
8105 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
8106 gameInfo.variant != VariantBerolina || toX < fromX)
8107 board[EP_STATUS] = toX | berolina;
8108 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
8109 gameInfo.variant != VariantBerolina || toX > fromX)
8110 board[EP_STATUS] = toX;
8113 if( board[fromY][fromX] == BlackPawn ) {
8114 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8115 board[EP_STATUS] = EP_PAWN_MOVE;
8116 if( toY-fromY== -2) {
8117 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
8118 gameInfo.variant != VariantBerolina || toX < fromX)
8119 board[EP_STATUS] = toX | berolina;
8120 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
8121 gameInfo.variant != VariantBerolina || toX > fromX)
8122 board[EP_STATUS] = toX;
8126 for(i=0; i<nrCastlingRights; i++) {
8127 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
8128 board[CASTLING][i] == toX && castlingRank[i] == toY
8129 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
8134 /* [HGM] In Shatranj and Courier all promotions are to Ferz */
8135 if((gameInfo.variant==VariantShatranj || gameInfo.variant==VariantCourier || gameInfo.variant == VariantMakruk)
8136 && promoChar != 0) promoChar = PieceToChar(WhiteFerz);
8138 if (fromX == toX && fromY == toY) return;
8140 if (fromY == DROP_RANK) {
8142 piece = board[toY][toX] = (ChessSquare) fromX;
8144 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
8145 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
8146 if(gameInfo.variant == VariantKnightmate)
8147 king += (int) WhiteUnicorn - (int) WhiteKing;
8149 /* Code added by Tord: */
8150 /* FRC castling assumed when king captures friendly rook. */
8151 if (board[fromY][fromX] == WhiteKing &&
8152 board[toY][toX] == WhiteRook) {
8153 board[fromY][fromX] = EmptySquare;
8154 board[toY][toX] = EmptySquare;
8156 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
8158 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
8160 } else if (board[fromY][fromX] == BlackKing &&
8161 board[toY][toX] == BlackRook) {
8162 board[fromY][fromX] = EmptySquare;
8163 board[toY][toX] = EmptySquare;
8165 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
8167 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
8169 /* End of code added by Tord */
8171 } else if (board[fromY][fromX] == king
8172 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8173 && toY == fromY && toX > fromX+1) {
8174 board[fromY][fromX] = EmptySquare;
8175 board[toY][toX] = king;
8176 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8177 board[fromY][BOARD_RGHT-1] = EmptySquare;
8178 } else if (board[fromY][fromX] == king
8179 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8180 && toY == fromY && toX < fromX-1) {
8181 board[fromY][fromX] = EmptySquare;
8182 board[toY][toX] = king;
8183 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8184 board[fromY][BOARD_LEFT] = EmptySquare;
8185 } else if (board[fromY][fromX] == WhitePawn
8186 && toY >= BOARD_HEIGHT-promoRank
8187 && gameInfo.variant != VariantXiangqi
8189 /* white pawn promotion */
8190 board[toY][toX] = CharToPiece(ToUpper(promoChar));
8191 if (board[toY][toX] == EmptySquare) {
8192 board[toY][toX] = WhiteQueen;
8194 if(gameInfo.variant==VariantBughouse ||
8195 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8196 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8197 board[fromY][fromX] = EmptySquare;
8198 } else if ((fromY == BOARD_HEIGHT-4)
8200 && gameInfo.variant != VariantXiangqi
8201 && gameInfo.variant != VariantBerolina
8202 && (board[fromY][fromX] == WhitePawn)
8203 && (board[toY][toX] == EmptySquare)) {
8204 board[fromY][fromX] = EmptySquare;
8205 board[toY][toX] = WhitePawn;
8206 captured = board[toY - 1][toX];
8207 board[toY - 1][toX] = EmptySquare;
8208 } else if ((fromY == BOARD_HEIGHT-4)
8210 && gameInfo.variant == VariantBerolina
8211 && (board[fromY][fromX] == WhitePawn)
8212 && (board[toY][toX] == EmptySquare)) {
8213 board[fromY][fromX] = EmptySquare;
8214 board[toY][toX] = WhitePawn;
8215 if(oldEP & EP_BEROLIN_A) {
8216 captured = board[fromY][fromX-1];
8217 board[fromY][fromX-1] = EmptySquare;
8218 }else{ captured = board[fromY][fromX+1];
8219 board[fromY][fromX+1] = EmptySquare;
8221 } else if (board[fromY][fromX] == king
8222 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8223 && toY == fromY && toX > fromX+1) {
8224 board[fromY][fromX] = EmptySquare;
8225 board[toY][toX] = king;
8226 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8227 board[fromY][BOARD_RGHT-1] = EmptySquare;
8228 } else if (board[fromY][fromX] == king
8229 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8230 && toY == fromY && toX < fromX-1) {
8231 board[fromY][fromX] = EmptySquare;
8232 board[toY][toX] = king;
8233 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8234 board[fromY][BOARD_LEFT] = EmptySquare;
8235 } else if (fromY == 7 && fromX == 3
8236 && board[fromY][fromX] == BlackKing
8237 && toY == 7 && toX == 5) {
8238 board[fromY][fromX] = EmptySquare;
8239 board[toY][toX] = BlackKing;
8240 board[fromY][7] = EmptySquare;
8241 board[toY][4] = BlackRook;
8242 } else if (fromY == 7 && fromX == 3
8243 && board[fromY][fromX] == BlackKing
8244 && toY == 7 && toX == 1) {
8245 board[fromY][fromX] = EmptySquare;
8246 board[toY][toX] = BlackKing;
8247 board[fromY][0] = EmptySquare;
8248 board[toY][2] = BlackRook;
8249 } else if (board[fromY][fromX] == BlackPawn
8251 && gameInfo.variant != VariantXiangqi
8253 /* black pawn promotion */
8254 board[toY][toX] = CharToPiece(ToLower(promoChar));
8255 if (board[toY][toX] == EmptySquare) {
8256 board[toY][toX] = BlackQueen;
8258 if(gameInfo.variant==VariantBughouse ||
8259 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8260 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8261 board[fromY][fromX] = EmptySquare;
8262 } else if ((fromY == 3)
8264 && gameInfo.variant != VariantXiangqi
8265 && gameInfo.variant != VariantBerolina
8266 && (board[fromY][fromX] == BlackPawn)
8267 && (board[toY][toX] == EmptySquare)) {
8268 board[fromY][fromX] = EmptySquare;
8269 board[toY][toX] = BlackPawn;
8270 captured = board[toY + 1][toX];
8271 board[toY + 1][toX] = EmptySquare;
8272 } else if ((fromY == 3)
8274 && gameInfo.variant == VariantBerolina
8275 && (board[fromY][fromX] == BlackPawn)
8276 && (board[toY][toX] == EmptySquare)) {
8277 board[fromY][fromX] = EmptySquare;
8278 board[toY][toX] = BlackPawn;
8279 if(oldEP & EP_BEROLIN_A) {
8280 captured = board[fromY][fromX-1];
8281 board[fromY][fromX-1] = EmptySquare;
8282 }else{ captured = board[fromY][fromX+1];
8283 board[fromY][fromX+1] = EmptySquare;
8286 board[toY][toX] = board[fromY][fromX];
8287 board[fromY][fromX] = EmptySquare;
8290 /* [HGM] now we promote for Shogi, if needed */
8291 if(gameInfo.variant == VariantShogi && promoChar == 'q')
8292 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8295 if (gameInfo.holdingsWidth != 0) {
8297 /* !!A lot more code needs to be written to support holdings */
8298 /* [HGM] OK, so I have written it. Holdings are stored in the */
8299 /* penultimate board files, so they are automaticlly stored */
8300 /* in the game history. */
8301 if (fromY == DROP_RANK) {
8302 /* Delete from holdings, by decreasing count */
8303 /* and erasing image if necessary */
8305 if(p < (int) BlackPawn) { /* white drop */
8306 p -= (int)WhitePawn;
8307 p = PieceToNumber((ChessSquare)p);
8308 if(p >= gameInfo.holdingsSize) p = 0;
8309 if(--board[p][BOARD_WIDTH-2] <= 0)
8310 board[p][BOARD_WIDTH-1] = EmptySquare;
8311 if((int)board[p][BOARD_WIDTH-2] < 0)
8312 board[p][BOARD_WIDTH-2] = 0;
8313 } else { /* black drop */
8314 p -= (int)BlackPawn;
8315 p = PieceToNumber((ChessSquare)p);
8316 if(p >= gameInfo.holdingsSize) p = 0;
8317 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
8318 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
8319 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
8320 board[BOARD_HEIGHT-1-p][1] = 0;
8323 if (captured != EmptySquare && gameInfo.holdingsSize > 0
8324 && gameInfo.variant != VariantBughouse ) {
8325 /* [HGM] holdings: Add to holdings, if holdings exist */
8326 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
8327 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
8328 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
8331 if (p >= (int) BlackPawn) {
8332 p -= (int)BlackPawn;
8333 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8334 /* in Shogi restore piece to its original first */
8335 captured = (ChessSquare) (DEMOTED captured);
8338 p = PieceToNumber((ChessSquare)p);
8339 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
8340 board[p][BOARD_WIDTH-2]++;
8341 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
8343 p -= (int)WhitePawn;
8344 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8345 captured = (ChessSquare) (DEMOTED captured);
8348 p = PieceToNumber((ChessSquare)p);
8349 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
8350 board[BOARD_HEIGHT-1-p][1]++;
8351 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
8354 } else if (gameInfo.variant == VariantAtomic) {
8355 if (captured != EmptySquare) {
8357 for (y = toY-1; y <= toY+1; y++) {
8358 for (x = toX-1; x <= toX+1; x++) {
8359 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
8360 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
8361 board[y][x] = EmptySquare;
8365 board[toY][toX] = EmptySquare;
8368 if(gameInfo.variant == VariantShogi && promoChar != NULLCHAR && promoChar != '=') {
8369 /* [HGM] Shogi promotions */
8370 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8373 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8374 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
8375 // [HGM] superchess: take promotion piece out of holdings
8376 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
8377 if((int)piece < (int)BlackPawn) { // determine stm from piece color
8378 if(!--board[k][BOARD_WIDTH-2])
8379 board[k][BOARD_WIDTH-1] = EmptySquare;
8381 if(!--board[BOARD_HEIGHT-1-k][1])
8382 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
8388 /* Updates forwardMostMove */
8390 MakeMove(fromX, fromY, toX, toY, promoChar)
8391 int fromX, fromY, toX, toY;
8394 // forwardMostMove++; // [HGM] bare: moved downstream
8396 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
8397 int timeLeft; static int lastLoadFlag=0; int king, piece;
8398 piece = boards[forwardMostMove][fromY][fromX];
8399 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
8400 if(gameInfo.variant == VariantKnightmate)
8401 king += (int) WhiteUnicorn - (int) WhiteKing;
8402 if(forwardMostMove == 0) {
8404 fprintf(serverMoves, "%s;", second.tidy);
8405 fprintf(serverMoves, "%s;", first.tidy);
8406 if(!blackPlaysFirst)
8407 fprintf(serverMoves, "%s;", second.tidy);
8408 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
8409 lastLoadFlag = loadFlag;
8411 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
8412 // print castling suffix
8413 if( toY == fromY && piece == king ) {
8415 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
8417 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
8420 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
8421 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
8422 boards[forwardMostMove][toY][toX] == EmptySquare
8424 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
8426 if(promoChar != NULLCHAR)
8427 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
8429 fprintf(serverMoves, "/%d/%d",
8430 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
8431 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
8432 else timeLeft = blackTimeRemaining/1000;
8433 fprintf(serverMoves, "/%d", timeLeft);
8435 fflush(serverMoves);
8438 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
8439 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
8443 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
8444 if (commentList[forwardMostMove+1] != NULL) {
8445 free(commentList[forwardMostMove+1]);
8446 commentList[forwardMostMove+1] = NULL;
8448 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8449 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
8450 forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
8451 SwitchClocks(); // uses forwardMostMove, so must be done after incrementing it !
8452 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
8453 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
8454 gameInfo.result = GameUnfinished;
8455 if (gameInfo.resultDetails != NULL) {
8456 free(gameInfo.resultDetails);
8457 gameInfo.resultDetails = NULL;
8459 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
8460 moveList[forwardMostMove - 1]);
8461 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
8462 PosFlags(forwardMostMove - 1),
8463 fromY, fromX, toY, toX, promoChar,
8464 parseList[forwardMostMove - 1]);
8465 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8471 if(gameInfo.variant != VariantShogi)
8472 strcat(parseList[forwardMostMove - 1], "+");
8476 strcat(parseList[forwardMostMove - 1], "#");
8479 if (appData.debugMode) {
8480 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
8485 /* Updates currentMove if not pausing */
8487 ShowMove(fromX, fromY, toX, toY)
8489 int instant = (gameMode == PlayFromGameFile) ?
8490 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
8492 if(appData.noGUI) return;
8494 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile)
8498 if (forwardMostMove == currentMove + 1)
8501 // AnimateMove(boards[forwardMostMove - 1],
8502 // fromX, fromY, toX, toY);
8504 if (appData.highlightLastMove)
8506 SetHighlights(fromX, fromY, toX, toY);
8509 currentMove = forwardMostMove;
8512 if (instant) return;
8514 DisplayMove(currentMove - 1);
8515 DrawPosition(FALSE, boards[currentMove]);
8516 DisplayBothClocks();
8517 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
8522 void SendEgtPath(ChessProgramState *cps)
8523 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
8524 char buf[MSG_SIZ], name[MSG_SIZ], *p;
8526 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
8529 char c, *q = name+1, *r, *s;
8531 name[0] = ','; // extract next format name from feature and copy with prefixed ','
8532 while(*p && *p != ',') *q++ = *p++;
8534 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
8535 strcmp(name, ",nalimov:") == 0 ) {
8536 // take nalimov path from the menu-changeable option first, if it is defined
8537 sprintf(buf, "egtpath nalimov %s\n", appData.defaultPathEGTB);
8538 SendToProgram(buf,cps); // send egtbpath command for nalimov
8540 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
8541 (s = StrStr(appData.egtFormats, name)) != NULL) {
8542 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
8543 s = r = StrStr(s, ":") + 1; // beginning of path info
8544 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
8545 c = *r; *r = 0; // temporarily null-terminate path info
8546 *--q = 0; // strip of trailig ':' from name
8547 sprintf(buf, "egtpath %s %s\n", name+1, s);
8549 SendToProgram(buf,cps); // send egtbpath command for this format
8551 if(*p == ',') p++; // read away comma to position for next format name
8556 InitChessProgram(cps, setup)
8557 ChessProgramState *cps;
8558 int setup; /* [HGM] needed to setup FRC opening position */
8560 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
8561 if (appData.noChessProgram) return;
8562 hintRequested = FALSE;
8563 bookRequested = FALSE;
8565 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
8566 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
8567 if(cps->memSize) { /* [HGM] memory */
8568 sprintf(buf, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
8569 SendToProgram(buf, cps);
8571 SendEgtPath(cps); /* [HGM] EGT */
8572 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
8573 sprintf(buf, "cores %d\n", appData.smpCores);
8574 SendToProgram(buf, cps);
8577 SendToProgram(cps->initString, cps);
8578 if (gameInfo.variant != VariantNormal &&
8579 gameInfo.variant != VariantLoadable
8580 /* [HGM] also send variant if board size non-standard */
8581 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
8583 char *v = VariantName(gameInfo.variant);
8584 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
8585 /* [HGM] in protocol 1 we have to assume all variants valid */
8586 sprintf(buf, _("Variant %s not supported by %s"), v, cps->tidy);
8587 DisplayFatalError(buf, 0, 1);
8591 /* [HGM] make prefix for non-standard board size. Awkward testing... */
8592 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8593 if( gameInfo.variant == VariantXiangqi )
8594 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
8595 if( gameInfo.variant == VariantShogi )
8596 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
8597 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
8598 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
8599 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
8600 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
8601 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8602 if( gameInfo.variant == VariantCourier )
8603 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8604 if( gameInfo.variant == VariantSuper )
8605 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8606 if( gameInfo.variant == VariantGreat )
8607 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8610 sprintf(b, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
8611 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
8612 /* [HGM] varsize: try first if this defiant size variant is specifically known */
8613 if(StrStr(cps->variants, b) == NULL) {
8614 // specific sized variant not known, check if general sizing allowed
8615 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
8616 if(StrStr(cps->variants, "boardsize") == NULL) {
8617 sprintf(buf, "Board size %dx%d+%d not supported by %s",
8618 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
8619 DisplayFatalError(buf, 0, 1);
8622 /* [HGM] here we really should compare with the maximum supported board size */
8625 } else sprintf(b, "%s", VariantName(gameInfo.variant));
8626 sprintf(buf, "variant %s\n", b);
8627 SendToProgram(buf, cps);
8629 currentlyInitializedVariant = gameInfo.variant;
8631 /* [HGM] send opening position in FRC to first engine */
8633 SendToProgram("force\n", cps);
8635 /* engine is now in force mode! Set flag to wake it up after first move. */
8636 setboardSpoiledMachineBlack = 1;
8640 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
8641 SendToProgram(buf, cps);
8643 cps->maybeThinking = FALSE;
8644 cps->offeredDraw = 0;
8645 if (!appData.icsActive) {
8646 SendTimeControl(cps, movesPerSession, timeControl,
8647 timeIncrement, appData.searchDepth,
8650 if (appData.showThinking
8651 // [HGM] thinking: four options require thinking output to be sent
8652 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8654 SendToProgram("post\n", cps);
8656 SendToProgram("hard\n", cps);
8657 if (!appData.ponderNextMove) {
8658 /* Warning: "easy" is a toggle in GNU Chess, so don't send
8659 it without being sure what state we are in first. "hard"
8660 is not a toggle, so that one is OK.
8662 SendToProgram("easy\n", cps);
8665 sprintf(buf, "ping %d\n", ++cps->lastPing);
8666 SendToProgram(buf, cps);
8668 cps->initDone = TRUE;
8673 StartChessProgram(cps)
8674 ChessProgramState *cps;
8679 if (appData.noChessProgram) return;
8680 cps->initDone = FALSE;
8682 if (strcmp(cps->host, "localhost") == 0) {
8683 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
8684 } else if (*appData.remoteShell == NULLCHAR) {
8685 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
8687 if (*appData.remoteUser == NULLCHAR) {
8688 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
8691 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
8692 cps->host, appData.remoteUser, cps->program);
8694 err = StartChildProcess(buf, "", &cps->pr);
8698 sprintf(buf, _("Startup failure on '%s'"), cps->program);
8699 DisplayFatalError(buf, err, 1);
8705 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
8706 if (cps->protocolVersion > 1) {
8707 sprintf(buf, "xboard\nprotover %d\n", cps->protocolVersion);
8708 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
8709 cps->comboCnt = 0; // and values of combo boxes
8710 SendToProgram(buf, cps);
8712 SendToProgram("xboard\n", cps);
8718 TwoMachinesEventIfReady P((void))
8720 if (first.lastPing != first.lastPong) {
8721 DisplayMessage("", _("Waiting for first chess program"));
8722 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8725 if (second.lastPing != second.lastPong) {
8726 DisplayMessage("", _("Waiting for second chess program"));
8727 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8735 NextMatchGame P((void))
8737 int index; /* [HGM] autoinc: step load index during match */
8739 if (*appData.loadGameFile != NULLCHAR) {
8740 index = appData.loadGameIndex;
8741 if(index < 0) { // [HGM] autoinc
8742 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8743 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8745 LoadGameFromFile(appData.loadGameFile,
8747 appData.loadGameFile, FALSE);
8748 } else if (*appData.loadPositionFile != NULLCHAR) {
8749 index = appData.loadPositionIndex;
8750 if(index < 0) { // [HGM] autoinc
8751 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8752 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8754 LoadPositionFromFile(appData.loadPositionFile,
8756 appData.loadPositionFile);
8758 TwoMachinesEventIfReady();
8761 void UserAdjudicationEvent( int result )
8763 ChessMove gameResult = GameIsDrawn;
8766 gameResult = WhiteWins;
8768 else if( result < 0 ) {
8769 gameResult = BlackWins;
8772 if( gameMode == TwoMachinesPlay ) {
8773 GameEnds( gameResult, "User adjudication", GE_XBOARD );
8778 // [HGM] save: calculate checksum of game to make games easily identifiable
8779 int StringCheckSum(char *s)
8782 if(s==NULL) return 0;
8783 while(*s) i = i*259 + *s++;
8790 for(i=backwardMostMove; i<forwardMostMove; i++) {
8791 sum += pvInfoList[i].depth;
8792 sum += StringCheckSum(parseList[i]);
8793 sum += StringCheckSum(commentList[i]);
8796 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
8797 return sum + StringCheckSum(commentList[i]);
8798 } // end of save patch
8801 GameEnds(result, resultDetails, whosays)
8803 char *resultDetails;
8806 GameMode nextGameMode;
8810 if(endingGame) return; /* [HGM] crash: forbid recursion */
8813 if (appData.debugMode) {
8814 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
8815 result, resultDetails ? resultDetails : "(null)", whosays);
8818 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
8819 /* If we are playing on ICS, the server decides when the
8820 game is over, but the engine can offer to draw, claim
8824 if (appData.zippyPlay && first.initDone) {
8825 if (result == GameIsDrawn) {
8826 /* In case draw still needs to be claimed */
8827 SendToICS(ics_prefix);
8828 SendToICS("draw\n");
8829 } else if (StrCaseStr(resultDetails, "resign")) {
8830 SendToICS(ics_prefix);
8831 SendToICS("resign\n");
8835 endingGame = 0; /* [HGM] crash */
8839 /* If we're loading the game from a file, stop */
8840 if (whosays == GE_FILE) {
8841 (void) StopLoadGameTimer();
8845 /* Cancel draw offers */
8846 first.offeredDraw = second.offeredDraw = 0;
8848 /* If this is an ICS game, only ICS can really say it's done;
8849 if not, anyone can. */
8850 isIcsGame = (gameMode == IcsPlayingWhite ||
8851 gameMode == IcsPlayingBlack ||
8852 gameMode == IcsObserving ||
8853 gameMode == IcsExamining);
8855 if (!isIcsGame || whosays == GE_ICS) {
8856 /* OK -- not an ICS game, or ICS said it was done */
8858 if (!isIcsGame && !appData.noChessProgram)
8859 SetUserThinkingEnables();
8861 /* [HGM] if a machine claims the game end we verify this claim */
8862 if(gameMode == TwoMachinesPlay && appData.testClaims) {
8863 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
8865 ChessMove trueResult = (ChessMove) -1;
8867 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
8868 first.twoMachinesColor[0] :
8869 second.twoMachinesColor[0] ;
8871 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
8872 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
8873 /* [HGM] verify: engine mate claims accepted if they were flagged */
8874 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
8876 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
8877 /* [HGM] verify: engine mate claims accepted if they were flagged */
8878 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8880 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
8881 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
8884 // now verify win claims, but not in drop games, as we don't understand those yet
8885 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
8886 || gameInfo.variant == VariantGreat) &&
8887 (result == WhiteWins && claimer == 'w' ||
8888 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
8889 if (appData.debugMode) {
8890 fprintf(debugFP, "result=%d sp=%d move=%d\n",
8891 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
8893 if(result != trueResult) {
8894 sprintf(buf, "False win claim: '%s'", resultDetails);
8895 result = claimer == 'w' ? BlackWins : WhiteWins;
8896 resultDetails = buf;
8899 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
8900 && (forwardMostMove <= backwardMostMove ||
8901 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
8902 (claimer=='b')==(forwardMostMove&1))
8904 /* [HGM] verify: draws that were not flagged are false claims */
8905 sprintf(buf, "False draw claim: '%s'", resultDetails);
8906 result = claimer == 'w' ? BlackWins : WhiteWins;
8907 resultDetails = buf;
8909 /* (Claiming a loss is accepted no questions asked!) */
8912 /* [HGM] bare: don't allow bare King to win */
8913 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8914 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
8915 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
8916 && result != GameIsDrawn)
8917 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
8918 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
8919 int p = (signed char)boards[forwardMostMove][i][j] - color;
8920 if(p >= 0 && p <= (int)WhiteKing) k++;
8922 if (appData.debugMode) {
8923 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
8924 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
8927 result = GameIsDrawn;
8928 sprintf(buf, "%s but bare king", resultDetails);
8929 resultDetails = buf;
8934 if(serverMoves != NULL && !loadFlag) { char c = '=';
8935 if(result==WhiteWins) c = '+';
8936 if(result==BlackWins) c = '-';
8937 if(resultDetails != NULL)
8938 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
8940 if (resultDetails != NULL) {
8941 gameInfo.result = result;
8942 gameInfo.resultDetails = StrSave(resultDetails);
8944 /* display last move only if game was not loaded from file */
8945 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
8946 DisplayMove(currentMove - 1);
8948 if (forwardMostMove != 0) {
8949 if (gameMode != PlayFromGameFile && gameMode != EditGame
8950 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
8952 if (*appData.saveGameFile != NULLCHAR) {
8953 SaveGameToFile(appData.saveGameFile, TRUE);
8954 } else if (appData.autoSaveGames) {
8957 if (*appData.savePositionFile != NULLCHAR) {
8958 SavePositionToFile(appData.savePositionFile);
8963 /* Tell program how game ended in case it is learning */
8964 /* [HGM] Moved this to after saving the PGN, just in case */
8965 /* engine died and we got here through time loss. In that */
8966 /* case we will get a fatal error writing the pipe, which */
8967 /* would otherwise lose us the PGN. */
8968 /* [HGM] crash: not needed anymore, but doesn't hurt; */
8969 /* output during GameEnds should never be fatal anymore */
8970 if (gameMode == MachinePlaysWhite ||
8971 gameMode == MachinePlaysBlack ||
8972 gameMode == TwoMachinesPlay ||
8973 gameMode == IcsPlayingWhite ||
8974 gameMode == IcsPlayingBlack ||
8975 gameMode == BeginningOfGame) {
8977 sprintf(buf, "result %s {%s}\n", PGNResult(result),
8979 if (first.pr != NoProc) {
8980 SendToProgram(buf, &first);
8982 if (second.pr != NoProc &&
8983 gameMode == TwoMachinesPlay) {
8984 SendToProgram(buf, &second);
8989 if (appData.icsActive) {
8990 if (appData.quietPlay &&
8991 (gameMode == IcsPlayingWhite ||
8992 gameMode == IcsPlayingBlack)) {
8993 SendToICS(ics_prefix);
8994 SendToICS("set shout 1\n");
8996 nextGameMode = IcsIdle;
8997 ics_user_moved = FALSE;
8998 /* clean up premove. It's ugly when the game has ended and the
8999 * premove highlights are still on the board.
9003 ClearPremoveHighlights();
9004 DrawPosition(FALSE, boards[currentMove]);
9006 if (whosays == GE_ICS) {
9009 if (gameMode == IcsPlayingWhite)
9011 else if(gameMode == IcsPlayingBlack)
9015 if (gameMode == IcsPlayingBlack)
9017 else if(gameMode == IcsPlayingWhite)
9024 PlayIcsUnfinishedSound();
9027 } else if (gameMode == EditGame ||
9028 gameMode == PlayFromGameFile ||
9029 gameMode == AnalyzeMode ||
9030 gameMode == AnalyzeFile) {
9031 nextGameMode = gameMode;
9033 nextGameMode = EndOfGame;
9038 nextGameMode = gameMode;
9041 if (appData.noChessProgram) {
9042 gameMode = nextGameMode;
9044 endingGame = 0; /* [HGM] crash */
9049 /* Put first chess program into idle state */
9050 if (first.pr != NoProc &&
9051 (gameMode == MachinePlaysWhite ||
9052 gameMode == MachinePlaysBlack ||
9053 gameMode == TwoMachinesPlay ||
9054 gameMode == IcsPlayingWhite ||
9055 gameMode == IcsPlayingBlack ||
9056 gameMode == BeginningOfGame)) {
9057 SendToProgram("force\n", &first);
9058 if (first.usePing) {
9060 sprintf(buf, "ping %d\n", ++first.lastPing);
9061 SendToProgram(buf, &first);
9064 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9065 /* Kill off first chess program */
9066 if (first.isr != NULL)
9067 RemoveInputSource(first.isr);
9070 if (first.pr != NoProc) {
9072 DoSleep( appData.delayBeforeQuit );
9073 SendToProgram("quit\n", &first);
9074 DoSleep( appData.delayAfterQuit );
9075 DestroyChildProcess(first.pr, first.useSigterm);
9080 /* Put second chess program into idle state */
9081 if (second.pr != NoProc &&
9082 gameMode == TwoMachinesPlay) {
9083 SendToProgram("force\n", &second);
9084 if (second.usePing) {
9086 sprintf(buf, "ping %d\n", ++second.lastPing);
9087 SendToProgram(buf, &second);
9090 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9091 /* Kill off second chess program */
9092 if (second.isr != NULL)
9093 RemoveInputSource(second.isr);
9096 if (second.pr != NoProc) {
9097 DoSleep( appData.delayBeforeQuit );
9098 SendToProgram("quit\n", &second);
9099 DoSleep( appData.delayAfterQuit );
9100 DestroyChildProcess(second.pr, second.useSigterm);
9105 if (matchMode && gameMode == TwoMachinesPlay) {
9108 if (first.twoMachinesColor[0] == 'w') {
9115 if (first.twoMachinesColor[0] == 'b') {
9124 if (matchGame < appData.matchGames) {
9126 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
9127 tmp = first.twoMachinesColor;
9128 first.twoMachinesColor = second.twoMachinesColor;
9129 second.twoMachinesColor = tmp;
9131 gameMode = nextGameMode;
9133 if(appData.matchPause>10000 || appData.matchPause<10)
9134 appData.matchPause = 10000; /* [HGM] make pause adjustable */
9135 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
9136 endingGame = 0; /* [HGM] crash */
9140 gameMode = nextGameMode;
9141 sprintf(buf, _("Match %s vs. %s: final score %d-%d-%d"),
9142 first.tidy, second.tidy,
9143 first.matchWins, second.matchWins,
9144 appData.matchGames - (first.matchWins + second.matchWins));
9145 DisplayFatalError(buf, 0, 0);
9148 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
9149 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
9151 gameMode = nextGameMode;
9153 endingGame = 0; /* [HGM] crash */
9156 /* Assumes program was just initialized (initString sent).
9157 Leaves program in force mode. */
9159 FeedMovesToProgram(cps, upto)
9160 ChessProgramState *cps;
9165 if (appData.debugMode)
9166 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
9167 startedFromSetupPosition ? "position and " : "",
9168 backwardMostMove, upto, cps->which);
9169 if(currentlyInitializedVariant != gameInfo.variant) { char buf[MSG_SIZ];
9170 // [HGM] variantswitch: make engine aware of new variant
9171 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
9172 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
9173 sprintf(buf, "variant %s\n", VariantName(gameInfo.variant));
9174 SendToProgram(buf, cps);
9175 currentlyInitializedVariant = gameInfo.variant;
9177 SendToProgram("force\n", cps);
9178 if (startedFromSetupPosition) {
9179 SendBoard(cps, backwardMostMove);
9180 if (appData.debugMode) {
9181 fprintf(debugFP, "feedMoves\n");
9184 for (i = backwardMostMove; i < upto; i++) {
9185 SendMoveToProgram(i, cps);
9191 ResurrectChessProgram()
9193 /* The chess program may have exited.
9194 If so, restart it and feed it all the moves made so far. */
9196 if (appData.noChessProgram || first.pr != NoProc) return;
9198 StartChessProgram(&first);
9199 InitChessProgram(&first, FALSE);
9200 FeedMovesToProgram(&first, currentMove);
9202 if (!first.sendTime) {
9203 /* can't tell gnuchess what its clock should read,
9204 so we bow to its notion. */
9206 timeRemaining[0][currentMove] = whiteTimeRemaining;
9207 timeRemaining[1][currentMove] = blackTimeRemaining;
9210 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
9211 appData.icsEngineAnalyze) && first.analysisSupport) {
9212 SendToProgram("analyze\n", &first);
9213 first.analyzing = TRUE;
9226 if (appData.debugMode) {
9227 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
9228 redraw, init, gameMode);
9230 CleanupTail(); // [HGM] vari: delete any stored variations
9231 pausing = pauseExamInvalid = FALSE;
9232 startedFromSetupPosition = blackPlaysFirst = FALSE;
9234 whiteFlag = blackFlag = FALSE;
9235 userOfferedDraw = FALSE;
9236 hintRequested = bookRequested = FALSE;
9237 first.maybeThinking = FALSE;
9238 second.maybeThinking = FALSE;
9239 first.bookSuspend = FALSE; // [HGM] book
9240 second.bookSuspend = FALSE;
9241 thinkOutput[0] = NULLCHAR;
9242 lastHint[0] = NULLCHAR;
9243 ClearGameInfo(&gameInfo);
9244 gameInfo.variant = StringToVariant(appData.variant);
9245 ics_user_moved = ics_clock_paused = FALSE;
9246 ics_getting_history = H_FALSE;
9248 white_holding[0] = black_holding[0] = NULLCHAR;
9249 ClearProgramStats();
9250 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
9254 flipView = appData.flipView;
9255 ClearPremoveHighlights();
9257 alarmSounded = FALSE;
9259 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
9260 if(appData.serverMovesName != NULL) {
9261 /* [HGM] prepare to make moves file for broadcasting */
9262 clock_t t = clock();
9263 if(serverMoves != NULL) fclose(serverMoves);
9264 serverMoves = fopen(appData.serverMovesName, "r");
9265 if(serverMoves != NULL) {
9266 fclose(serverMoves);
9267 /* delay 15 sec before overwriting, so all clients can see end */
9268 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
9270 serverMoves = fopen(appData.serverMovesName, "w");
9274 gameMode = BeginningOfGame;
9277 if(appData.icsActive) gameInfo.variant = VariantNormal;
9278 currentMove = forwardMostMove = backwardMostMove = 0;
9279 InitPosition(redraw);
9280 for (i = 0; i < MAX_MOVES; i++) {
9281 if (commentList[i] != NULL) {
9282 free(commentList[i]);
9283 commentList[i] = NULL;
9288 timeRemaining[0][0] = whiteTimeRemaining;
9289 timeRemaining[1][0] = blackTimeRemaining;
9290 if (first.pr == NULL) {
9291 StartChessProgram(&first);
9294 InitChessProgram(&first, startedFromSetupPosition);
9298 DisplayMessage("", "");
9299 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9300 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
9308 if (!AutoPlayOneMove())
9310 if (matchMode || appData.timeDelay == 0)
9312 if (appData.timeDelay < 0 || gameMode == AnalyzeFile)
9314 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
9323 int fromX, fromY, toX, toY;
9325 if (appData.debugMode) {
9326 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
9329 if (gameMode != PlayFromGameFile)
9332 if (currentMove >= forwardMostMove) {
9333 gameMode = EditGame;
9336 /* [AS] Clear current move marker at the end of a game */
9337 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
9342 toX = moveList[currentMove][2] - AAA;
9343 toY = moveList[currentMove][3] - ONE;
9345 if (moveList[currentMove][1] == '@') {
9346 if (appData.highlightLastMove) {
9347 SetHighlights(-1, -1, toX, toY);
9350 fromX = moveList[currentMove][0] - AAA;
9351 fromY = moveList[currentMove][1] - ONE;
9353 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
9355 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
9357 if (appData.highlightLastMove) {
9358 SetHighlights(fromX, fromY, toX, toY);
9361 DisplayMove(currentMove);
9362 SendMoveToProgram(currentMove++, &first);
9363 DisplayBothClocks();
9364 DrawPosition(FALSE, boards[currentMove]);
9365 // [HGM] PV info: always display, routine tests if empty
9366 DisplayComment(currentMove - 1, commentList[currentMove]);
9372 LoadGameOneMove(readAhead)
9373 ChessMove readAhead;
9375 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
9376 char promoChar = NULLCHAR;
9381 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
9382 gameMode != AnalyzeMode && gameMode != Training) {
9387 yyboardindex = forwardMostMove;
9388 if (readAhead != (ChessMove)0) {
9389 moveType = readAhead;
9391 if (gameFileFP == NULL)
9393 moveType = (ChessMove) yylex();
9399 if (appData.debugMode)
9400 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9403 /* append the comment but don't display it */
9404 AppendComment(currentMove, p, FALSE);
9407 case WhiteCapturesEnPassant:
9408 case BlackCapturesEnPassant:
9409 case WhitePromotionChancellor:
9410 case BlackPromotionChancellor:
9411 case WhitePromotionArchbishop:
9412 case BlackPromotionArchbishop:
9413 case WhitePromotionCentaur:
9414 case BlackPromotionCentaur:
9415 case WhitePromotionQueen:
9416 case BlackPromotionQueen:
9417 case WhitePromotionRook:
9418 case BlackPromotionRook:
9419 case WhitePromotionBishop:
9420 case BlackPromotionBishop:
9421 case WhitePromotionKnight:
9422 case BlackPromotionKnight:
9423 case WhitePromotionKing:
9424 case BlackPromotionKing:
9426 case WhiteKingSideCastle:
9427 case WhiteQueenSideCastle:
9428 case BlackKingSideCastle:
9429 case BlackQueenSideCastle:
9430 case WhiteKingSideCastleWild:
9431 case WhiteQueenSideCastleWild:
9432 case BlackKingSideCastleWild:
9433 case BlackQueenSideCastleWild:
9435 case WhiteHSideCastleFR:
9436 case WhiteASideCastleFR:
9437 case BlackHSideCastleFR:
9438 case BlackASideCastleFR:
9440 if (appData.debugMode)
9441 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9442 fromX = currentMoveString[0] - AAA;
9443 fromY = currentMoveString[1] - ONE;
9444 toX = currentMoveString[2] - AAA;
9445 toY = currentMoveString[3] - ONE;
9446 promoChar = currentMoveString[4];
9451 if (appData.debugMode)
9452 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9453 fromX = moveType == WhiteDrop ?
9454 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9455 (int) CharToPiece(ToLower(currentMoveString[0]));
9457 toX = currentMoveString[2] - AAA;
9458 toY = currentMoveString[3] - ONE;
9464 case GameUnfinished:
9465 if (appData.debugMode)
9466 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
9467 p = strchr(yy_text, '{');
9468 if (p == NULL) p = strchr(yy_text, '(');
9471 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9473 q = strchr(p, *p == '{' ? '}' : ')');
9474 if (q != NULL) *q = NULLCHAR;
9477 GameEnds(moveType, p, GE_FILE);
9479 if (cmailMsgLoaded) {
9481 flipView = WhiteOnMove(currentMove);
9482 if (moveType == GameUnfinished) flipView = !flipView;
9483 if (appData.debugMode)
9484 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
9488 case (ChessMove) 0: /* end of file */
9489 if (appData.debugMode)
9490 fprintf(debugFP, "Parser hit end of file\n");
9491 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9497 if (WhiteOnMove(currentMove)) {
9498 GameEnds(BlackWins, "Black mates", GE_FILE);
9500 GameEnds(WhiteWins, "White mates", GE_FILE);
9504 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9511 if (lastLoadGameStart == GNUChessGame) {
9512 /* GNUChessGames have numbers, but they aren't move numbers */
9513 if (appData.debugMode)
9514 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9515 yy_text, (int) moveType);
9516 return LoadGameOneMove((ChessMove)0); /* tail recursion */
9518 /* else fall thru */
9523 /* Reached start of next game in file */
9524 if (appData.debugMode)
9525 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
9526 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9532 if (WhiteOnMove(currentMove)) {
9533 GameEnds(BlackWins, "Black mates", GE_FILE);
9535 GameEnds(WhiteWins, "White mates", GE_FILE);
9539 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9545 case PositionDiagram: /* should not happen; ignore */
9546 case ElapsedTime: /* ignore */
9547 case NAG: /* ignore */
9548 if (appData.debugMode)
9549 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9550 yy_text, (int) moveType);
9551 return LoadGameOneMove((ChessMove)0); /* tail recursion */
9554 if (appData.testLegality) {
9555 if (appData.debugMode)
9556 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
9557 sprintf(move, _("Illegal move: %d.%s%s"),
9558 (forwardMostMove / 2) + 1,
9559 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9560 DisplayError(move, 0);
9563 if (appData.debugMode)
9564 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
9565 yy_text, currentMoveString);
9566 fromX = currentMoveString[0] - AAA;
9567 fromY = currentMoveString[1] - ONE;
9568 toX = currentMoveString[2] - AAA;
9569 toY = currentMoveString[3] - ONE;
9570 promoChar = currentMoveString[4];
9575 if (appData.debugMode)
9576 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
9577 sprintf(move, _("Ambiguous move: %d.%s%s"),
9578 (forwardMostMove / 2) + 1,
9579 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9580 DisplayError(move, 0);
9585 case ImpossibleMove:
9586 if (appData.debugMode)
9587 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
9588 sprintf(move, _("Illegal move: %d.%s%s"),
9589 (forwardMostMove / 2) + 1,
9590 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9591 DisplayError(move, 0);
9597 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
9598 DrawPosition(FALSE, boards[currentMove]);
9599 DisplayBothClocks();
9600 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
9601 DisplayComment(currentMove - 1, commentList[currentMove]);
9603 (void) StopLoadGameTimer();
9605 cmailOldMove = forwardMostMove;
9608 /* currentMoveString is set as a side-effect of yylex */
9609 strcat(currentMoveString, "\n");
9610 strcpy(moveList[forwardMostMove], currentMoveString);
9612 thinkOutput[0] = NULLCHAR;
9613 MakeMove(fromX, fromY, toX, toY, promoChar);
9614 currentMove = forwardMostMove;
9619 /* Load the nth game from the given file */
9621 LoadGameFromFile(filename, n, title, useList)
9625 /*Boolean*/ int useList;
9630 if (strcmp(filename, "-") == 0) {
9634 f = fopen(filename, "rb");
9636 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9637 DisplayError(buf, errno);
9641 if (fseek(f, 0, 0) == -1) {
9642 /* f is not seekable; probably a pipe */
9645 if (useList && n == 0) {
9646 int error = GameListBuild(f);
9648 DisplayError(_("Cannot build game list"), error);
9649 } else if (!ListEmpty(&gameList) &&
9650 ((ListGame *) gameList.tailPred)->number > 1) {
9651 // TODO convert to GTK
9652 // GameListPopUp(f, title);
9659 return LoadGame(f, n, title, FALSE);
9664 MakeRegisteredMove()
9666 int fromX, fromY, toX, toY;
9668 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9669 switch (cmailMoveType[lastLoadGameNumber - 1]) {
9672 if (appData.debugMode)
9673 fprintf(debugFP, "Restoring %s for game %d\n",
9674 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
9676 thinkOutput[0] = NULLCHAR;
9677 strcpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1]);
9678 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
9679 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
9680 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
9681 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
9682 promoChar = cmailMove[lastLoadGameNumber - 1][4];
9683 MakeMove(fromX, fromY, toX, toY, promoChar);
9684 ShowMove(fromX, fromY, toX, toY);
9685 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9692 if (WhiteOnMove(currentMove)) {
9693 GameEnds(BlackWins, "Black mates", GE_PLAYER);
9695 GameEnds(WhiteWins, "White mates", GE_PLAYER);
9700 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
9707 if (WhiteOnMove(currentMove)) {
9708 GameEnds(BlackWins, "White resigns", GE_PLAYER);
9710 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
9715 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
9726 /* Wrapper around LoadGame for use when a Cmail message is loaded */
9728 CmailLoadGame(f, gameNumber, title, useList)
9736 if (gameNumber > nCmailGames) {
9737 DisplayError(_("No more games in this message"), 0);
9740 if (f == lastLoadGameFP) {
9741 int offset = gameNumber - lastLoadGameNumber;
9743 cmailMsg[0] = NULLCHAR;
9744 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9745 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
9746 nCmailMovesRegistered--;
9748 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
9749 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
9750 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
9753 if (! RegisterMove()) return FALSE;
9757 retVal = LoadGame(f, gameNumber, title, useList);
9759 /* Make move registered during previous look at this game, if any */
9760 MakeRegisteredMove();
9762 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
9763 commentList[currentMove]
9764 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
9765 DisplayComment(currentMove - 1, commentList[currentMove]);
9771 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
9776 int gameNumber = lastLoadGameNumber + offset;
9777 if (lastLoadGameFP == NULL) {
9778 DisplayError(_("No game has been loaded yet"), 0);
9781 if (gameNumber <= 0) {
9782 DisplayError(_("Can't back up any further"), 0);
9785 if (cmailMsgLoaded) {
9786 return CmailLoadGame(lastLoadGameFP, gameNumber,
9787 lastLoadGameTitle, lastLoadGameUseList);
9789 return LoadGame(lastLoadGameFP, gameNumber,
9790 lastLoadGameTitle, lastLoadGameUseList);
9796 /* Load the nth game from open file f */
9798 LoadGame(f, gameNumber, title, useList)
9806 int gn = gameNumber;
9807 ListGame *lg = NULL;
9810 GameMode oldGameMode;
9811 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
9813 if (appData.debugMode)
9814 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
9816 if (gameMode == Training )
9817 SetTrainingModeOff();
9819 oldGameMode = gameMode;
9820 if (gameMode != BeginningOfGame)
9826 if (lastLoadGameFP != NULL && lastLoadGameFP != f)
9828 fclose(lastLoadGameFP);
9833 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
9837 fseek(f, lg->offset, 0);
9838 GameListHighlight(gameNumber);
9843 DisplayError(_("Game number out of range"), 0);
9850 if (fseek(f, 0, 0) == -1)
9852 if (f == lastLoadGameFP ?
9853 gameNumber == lastLoadGameNumber + 1 :
9860 DisplayError(_("Can't seek on game file"), 0);
9867 lastLoadGameNumber = gameNumber;
9868 strcpy(lastLoadGameTitle, title);
9869 lastLoadGameUseList = useList;
9873 if (lg && lg->gameInfo.white && lg->gameInfo.black)
9875 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
9876 lg->gameInfo.black);
9879 else if (*title != NULLCHAR)
9883 sprintf(buf, "%s %d", title, gameNumber);
9888 DisplayTitle(title);
9892 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode)
9894 gameMode = PlayFromGameFile;
9898 currentMove = forwardMostMove = backwardMostMove = 0;
9899 CopyBoard(boards[0], initialPosition);
9903 * Skip the first gn-1 games in the file.
9904 * Also skip over anything that precedes an identifiable
9905 * start of game marker, to avoid being confused by
9906 * garbage at the start of the file. Currently
9907 * recognized start of game markers are the move number "1",
9908 * the pattern "gnuchess .* game", the pattern
9909 * "^[#;%] [^ ]* game file", and a PGN tag block.
9910 * A game that starts with one of the latter two patterns
9911 * will also have a move number 1, possibly
9912 * following a position diagram.
9913 * 5-4-02: Let's try being more lenient and allowing a game to
9914 * start with an unnumbered move. Does that break anything?
9916 cm = lastLoadGameStart = (ChessMove) 0;
9918 yyboardindex = forwardMostMove;
9919 cm = (ChessMove) yylex();
9922 if (cmailMsgLoaded) {
9923 nCmailGames = CMAIL_MAX_GAMES - gn;
9926 DisplayError(_("Game not found in file"), 0);
9933 lastLoadGameStart = cm;
9937 switch (lastLoadGameStart) {
9944 gn--; /* count this game */
9945 lastLoadGameStart = cm;
9954 switch (lastLoadGameStart) {
9959 gn--; /* count this game */
9960 lastLoadGameStart = cm;
9963 lastLoadGameStart = cm; /* game counted already */
9971 yyboardindex = forwardMostMove;
9972 cm = (ChessMove) yylex();
9973 } while (cm == PGNTag || cm == Comment);
9980 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
9981 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
9982 != CMAIL_OLD_RESULT) {
9984 cmailResult[ CMAIL_MAX_GAMES
9985 - gn - 1] = CMAIL_OLD_RESULT;
9991 /* Only a NormalMove can be at the start of a game
9992 * without a position diagram. */
9993 if (lastLoadGameStart == (ChessMove) 0) {
9995 lastLoadGameStart = MoveNumberOne;
10004 if (appData.debugMode)
10005 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
10007 if (cm == XBoardGame) {
10008 /* Skip any header junk before position diagram and/or move 1 */
10010 yyboardindex = forwardMostMove;
10011 cm = (ChessMove) yylex();
10013 if (cm == (ChessMove) 0 ||
10014 cm == GNUChessGame || cm == XBoardGame) {
10015 /* Empty game; pretend end-of-file and handle later */
10016 cm = (ChessMove) 0;
10020 if (cm == MoveNumberOne || cm == PositionDiagram ||
10021 cm == PGNTag || cm == Comment)
10024 } else if (cm == GNUChessGame) {
10025 if (gameInfo.event != NULL) {
10026 free(gameInfo.event);
10028 gameInfo.event = StrSave(yy_text);
10031 startedFromSetupPosition = FALSE;
10032 while (cm == PGNTag) {
10033 if (appData.debugMode)
10034 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
10035 err = ParsePGNTag(yy_text, &gameInfo);
10036 if (!err) numPGNTags++;
10038 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
10039 if(gameInfo.variant != oldVariant) {
10040 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
10041 InitPosition(TRUE);
10042 oldVariant = gameInfo.variant;
10043 if (appData.debugMode)
10044 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
10048 if (gameInfo.fen != NULL) {
10049 Board initial_position;
10050 startedFromSetupPosition = TRUE;
10051 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
10053 DisplayError(_("Bad FEN position in file"), 0);
10056 CopyBoard(boards[0], initial_position);
10057 if (blackPlaysFirst) {
10058 currentMove = forwardMostMove = backwardMostMove = 1;
10059 CopyBoard(boards[1], initial_position);
10060 strcpy(moveList[0], "");
10061 strcpy(parseList[0], "");
10062 timeRemaining[0][1] = whiteTimeRemaining;
10063 timeRemaining[1][1] = blackTimeRemaining;
10064 if (commentList[0] != NULL) {
10065 commentList[1] = commentList[0];
10066 commentList[0] = NULL;
10069 currentMove = forwardMostMove = backwardMostMove = 0;
10071 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
10073 initialRulePlies = FENrulePlies;
10074 for( i=0; i< nrCastlingRights; i++ )
10075 initialRights[i] = initial_position[CASTLING][i];
10077 yyboardindex = forwardMostMove;
10078 free(gameInfo.fen);
10079 gameInfo.fen = NULL;
10082 yyboardindex = forwardMostMove;
10083 cm = (ChessMove) yylex();
10085 /* Handle comments interspersed among the tags */
10086 while (cm == Comment) {
10088 if (appData.debugMode)
10089 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10091 AppendComment(currentMove, p, FALSE);
10092 yyboardindex = forwardMostMove;
10093 cm = (ChessMove) yylex();
10097 /* don't rely on existence of Event tag since if game was
10098 * pasted from clipboard the Event tag may not exist
10100 if (numPGNTags > 0){
10102 if (gameInfo.variant == VariantNormal) {
10103 gameInfo.variant = StringToVariant(gameInfo.event);
10106 if( appData.autoDisplayTags ) {
10107 tags = PGNTags(&gameInfo);
10108 TagsPopUp(tags, CmailMsg());
10113 /* Make something up, but don't display it now */
10118 if (cm == PositionDiagram) {
10121 Board initial_position;
10123 if (appData.debugMode)
10124 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
10126 if (!startedFromSetupPosition) {
10128 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
10129 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
10139 initial_position[i][j++] = CharToPiece(*p);
10142 while (*p == ' ' || *p == '\t' ||
10143 *p == '\n' || *p == '\r') p++;
10145 if (strncmp(p, "black", strlen("black"))==0)
10146 blackPlaysFirst = TRUE;
10148 blackPlaysFirst = FALSE;
10149 startedFromSetupPosition = TRUE;
10151 CopyBoard(boards[0], initial_position);
10152 if (blackPlaysFirst) {
10153 currentMove = forwardMostMove = backwardMostMove = 1;
10154 CopyBoard(boards[1], initial_position);
10155 strcpy(moveList[0], "");
10156 strcpy(parseList[0], "");
10157 timeRemaining[0][1] = whiteTimeRemaining;
10158 timeRemaining[1][1] = blackTimeRemaining;
10159 if (commentList[0] != NULL) {
10160 commentList[1] = commentList[0];
10161 commentList[0] = NULL;
10164 currentMove = forwardMostMove = backwardMostMove = 0;
10167 yyboardindex = forwardMostMove;
10168 cm = (ChessMove) yylex();
10171 if (first.pr == NoProc) {
10172 StartChessProgram(&first);
10174 InitChessProgram(&first, FALSE);
10175 SendToProgram("force\n", &first);
10176 if (startedFromSetupPosition) {
10177 SendBoard(&first, forwardMostMove);
10178 if (appData.debugMode) {
10179 fprintf(debugFP, "Load Game\n");
10181 DisplayBothClocks();
10184 /* [HGM] server: flag to write setup moves in broadcast file as one */
10185 loadFlag = appData.suppressLoadMoves;
10187 while (cm == Comment) {
10189 if (appData.debugMode)
10190 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10192 AppendComment(currentMove, p, FALSE);
10193 yyboardindex = forwardMostMove;
10194 cm = (ChessMove) yylex();
10197 if ((cm == (ChessMove) 0 && lastLoadGameStart != (ChessMove) 0) ||
10198 cm == WhiteWins || cm == BlackWins ||
10199 cm == GameIsDrawn || cm == GameUnfinished) {
10200 DisplayMessage("", _("No moves in game"));
10201 if (cmailMsgLoaded) {
10202 if (appData.debugMode)
10203 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
10207 DrawPosition(FALSE, boards[currentMove]);
10208 DisplayBothClocks();
10209 gameMode = EditGame;
10216 // [HGM] PV info: routine tests if comment empty
10217 if (!matchMode && (pausing || appData.timeDelay != 0)) {
10218 DisplayComment(currentMove - 1, commentList[currentMove]);
10220 if (!matchMode && appData.timeDelay != 0)
10221 DrawPosition(FALSE, boards[currentMove]);
10223 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
10224 programStats.ok_to_send = 1;
10227 /* if the first token after the PGN tags is a move
10228 * and not move number 1, retrieve it from the parser
10230 if (cm != MoveNumberOne)
10231 LoadGameOneMove(cm);
10233 /* load the remaining moves from the file */
10234 while (LoadGameOneMove((ChessMove)0)) {
10235 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10236 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10239 /* rewind to the start of the game */
10240 currentMove = backwardMostMove;
10242 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10244 if (oldGameMode == AnalyzeFile ||
10245 oldGameMode == AnalyzeMode) {
10246 AnalyzeFileEvent();
10249 if (matchMode || appData.timeDelay == 0) {
10251 gameMode = EditGame;
10253 } else if (appData.timeDelay > 0) {
10254 AutoPlayGameLoop();
10257 if (appData.debugMode)
10258 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
10260 loadFlag = 0; /* [HGM] true game starts */
10264 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
10266 ReloadPosition(offset)
10269 int positionNumber = lastLoadPositionNumber + offset;
10270 if (lastLoadPositionFP == NULL) {
10271 DisplayError(_("No position has been loaded yet"), 0);
10274 if (positionNumber <= 0) {
10275 DisplayError(_("Can't back up any further"), 0);
10278 return LoadPosition(lastLoadPositionFP, positionNumber,
10279 lastLoadPositionTitle);
10282 /* Load the nth position from the given file */
10284 LoadPositionFromFile(filename, n, title)
10292 if (strcmp(filename, "-") == 0) {
10293 return LoadPosition(stdin, n, "stdin");
10295 f = fopen(filename, "rb");
10297 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10298 DisplayError(buf, errno);
10301 return LoadPosition(f, n, title);
10306 /* Load the nth position from the given open file, and close it */
10308 LoadPosition(f, positionNumber, title)
10310 int positionNumber;
10313 char *p, line[MSG_SIZ];
10314 Board initial_position;
10315 int i, j, fenMode, pn;
10317 if (gameMode == Training )
10318 SetTrainingModeOff();
10320 if (gameMode != BeginningOfGame) {
10321 Reset(FALSE, TRUE);
10323 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
10324 fclose(lastLoadPositionFP);
10326 if (positionNumber == 0) positionNumber = 1;
10327 lastLoadPositionFP = f;
10328 lastLoadPositionNumber = positionNumber;
10329 strcpy(lastLoadPositionTitle, title);
10330 if (first.pr == NoProc) {
10331 StartChessProgram(&first);
10332 InitChessProgram(&first, FALSE);
10334 pn = positionNumber;
10335 if (positionNumber < 0) {
10336 /* Negative position number means to seek to that byte offset */
10337 if (fseek(f, -positionNumber, 0) == -1) {
10338 DisplayError(_("Can't seek on position file"), 0);
10343 if (fseek(f, 0, 0) == -1) {
10344 if (f == lastLoadPositionFP ?
10345 positionNumber == lastLoadPositionNumber + 1 :
10346 positionNumber == 1) {
10349 DisplayError(_("Can't seek on position file"), 0);
10354 /* See if this file is FEN or old-style xboard */
10355 if (fgets(line, MSG_SIZ, f) == NULL) {
10356 DisplayError(_("Position not found in file"), 0);
10359 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
10360 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
10363 if (fenMode || line[0] == '#') pn--;
10365 /* skip positions before number pn */
10366 if (fgets(line, MSG_SIZ, f) == NULL) {
10368 DisplayError(_("Position not found in file"), 0);
10371 if (fenMode || line[0] == '#') pn--;
10376 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
10377 DisplayError(_("Bad FEN position in file"), 0);
10381 (void) fgets(line, MSG_SIZ, f);
10382 (void) fgets(line, MSG_SIZ, f);
10384 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
10385 (void) fgets(line, MSG_SIZ, f);
10386 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
10389 initial_position[i][j++] = CharToPiece(*p);
10393 blackPlaysFirst = FALSE;
10395 (void) fgets(line, MSG_SIZ, f);
10396 if (strncmp(line, "black", strlen("black"))==0)
10397 blackPlaysFirst = TRUE;
10400 startedFromSetupPosition = TRUE;
10402 SendToProgram("force\n", &first);
10403 CopyBoard(boards[0], initial_position);
10404 if (blackPlaysFirst) {
10405 currentMove = forwardMostMove = backwardMostMove = 1;
10406 strcpy(moveList[0], "");
10407 strcpy(parseList[0], "");
10408 CopyBoard(boards[1], initial_position);
10409 DisplayMessage("", _("Black to play"));
10411 currentMove = forwardMostMove = backwardMostMove = 0;
10412 DisplayMessage("", _("White to play"));
10414 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
10415 SendBoard(&first, forwardMostMove);
10416 if (appData.debugMode) {
10418 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
10419 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
10420 fprintf(debugFP, "Load Position\n");
10423 if (positionNumber > 1) {
10424 sprintf(line, "%s %d", title, positionNumber);
10425 DisplayTitle(line);
10427 DisplayTitle(title);
10429 gameMode = EditGame;
10432 timeRemaining[0][1] = whiteTimeRemaining;
10433 timeRemaining[1][1] = blackTimeRemaining;
10434 DrawPosition(FALSE, boards[currentMove]);
10441 CopyPlayerNameIntoFileName(dest, src)
10444 while (*src != NULLCHAR && *src != ',') {
10449 *(*dest)++ = *src++;
10454 char *DefaultFileName(ext)
10457 static char def[MSG_SIZ];
10460 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
10462 CopyPlayerNameIntoFileName(&p, gameInfo.white);
10464 CopyPlayerNameIntoFileName(&p, gameInfo.black);
10473 /* Save the current game to the given file */
10475 SaveGameToFile(filename, append)
10482 if (strcmp(filename, "-") == 0) {
10483 return SaveGame(stdout, 0, NULL);
10485 f = fopen(filename, append ? "a" : "w");
10487 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10488 DisplayError(buf, errno);
10491 return SaveGame(f, 0, NULL);
10500 static char buf[MSG_SIZ];
10503 p = strchr(str, ' ');
10504 if (p == NULL) return str;
10505 strncpy(buf, str, p - str);
10506 buf[p - str] = NULLCHAR;
10510 #define PGN_MAX_LINE 75
10512 #define PGN_SIDE_WHITE 0
10513 #define PGN_SIDE_BLACK 1
10516 static int FindFirstMoveOutOfBook( int side )
10520 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
10521 int index = backwardMostMove;
10522 int has_book_hit = 0;
10524 if( (index % 2) != side ) {
10528 while( index < forwardMostMove ) {
10529 /* Check to see if engine is in book */
10530 int depth = pvInfoList[index].depth;
10531 int score = pvInfoList[index].score;
10537 else if( score == 0 && depth == 63 ) {
10538 in_book = 1; /* Zappa */
10540 else if( score == 2 && depth == 99 ) {
10541 in_book = 1; /* Abrok */
10544 has_book_hit += in_book;
10560 void GetOutOfBookInfo( char * buf )
10564 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10566 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
10567 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
10571 if( oob[0] >= 0 || oob[1] >= 0 ) {
10572 for( i=0; i<2; i++ ) {
10576 if( i > 0 && oob[0] >= 0 ) {
10577 strcat( buf, " " );
10580 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
10581 sprintf( buf+strlen(buf), "%s%.2f",
10582 pvInfoList[idx].score >= 0 ? "+" : "",
10583 pvInfoList[idx].score / 100.0 );
10589 /* Save game in PGN style and close the file */
10594 int i, offset, linelen, newblock;
10598 int movelen, numlen, blank;
10599 char move_buffer[100]; /* [AS] Buffer for move+PV info */
10601 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10603 tm = time((time_t *) NULL);
10605 PrintPGNTags(f, &gameInfo);
10607 if (backwardMostMove > 0 || startedFromSetupPosition) {
10608 char *fen = PositionToFEN(backwardMostMove, NULL);
10609 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
10610 fprintf(f, "\n{--------------\n");
10611 PrintPosition(f, backwardMostMove);
10612 fprintf(f, "--------------}\n");
10616 /* [AS] Out of book annotation */
10617 if( appData.saveOutOfBookInfo ) {
10620 GetOutOfBookInfo( buf );
10622 if( buf[0] != '\0' ) {
10623 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
10630 i = backwardMostMove;
10634 while (i < forwardMostMove) {
10635 /* Print comments preceding this move */
10636 if (commentList[i] != NULL) {
10637 if (linelen > 0) fprintf(f, "\n");
10638 fprintf(f, "%s", commentList[i]);
10643 /* Format move number */
10644 if ((i % 2) == 0) {
10645 sprintf(numtext, "%d.", (i - offset)/2 + 1);
10648 sprintf(numtext, "%d...", (i - offset)/2 + 1);
10650 numtext[0] = NULLCHAR;
10653 numlen = strlen(numtext);
10656 /* Print move number */
10657 blank = linelen > 0 && numlen > 0;
10658 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
10667 fprintf(f, "%s", numtext);
10671 strcpy(move_buffer, SavePart(parseList[i])); // [HGM] pgn: print move via buffer, so it can be edited
10672 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
10675 blank = linelen > 0 && movelen > 0;
10676 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10685 fprintf(f, "%s", move_buffer);
10686 linelen += movelen;
10688 /* [AS] Add PV info if present */
10689 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
10690 /* [HGM] add time */
10691 char buf[MSG_SIZ]; int seconds;
10693 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
10695 if( seconds <= 0) buf[0] = 0; else
10696 if( seconds < 30 ) sprintf(buf, " %3.1f%c", seconds/10., 0); else {
10697 seconds = (seconds + 4)/10; // round to full seconds
10698 if( seconds < 60 ) sprintf(buf, " %d%c", seconds, 0); else
10699 sprintf(buf, " %d:%02d%c", seconds/60, seconds%60, 0);
10702 sprintf( move_buffer, "{%s%.2f/%d%s}",
10703 pvInfoList[i].score >= 0 ? "+" : "",
10704 pvInfoList[i].score / 100.0,
10705 pvInfoList[i].depth,
10708 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
10710 /* Print score/depth */
10711 blank = linelen > 0 && movelen > 0;
10712 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10721 fprintf(f, "%s", move_buffer);
10722 linelen += movelen;
10728 /* Start a new line */
10729 if (linelen > 0) fprintf(f, "\n");
10731 /* Print comments after last move */
10732 if (commentList[i] != NULL) {
10733 fprintf(f, "%s\n", commentList[i]);
10737 if (gameInfo.resultDetails != NULL &&
10738 gameInfo.resultDetails[0] != NULLCHAR) {
10739 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
10740 PGNResult(gameInfo.result));
10742 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10746 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10750 /* Save game in old style and close the file */
10752 SaveGameOldStyle(f)
10758 tm = time((time_t *) NULL);
10760 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
10763 if (backwardMostMove > 0 || startedFromSetupPosition) {
10764 fprintf(f, "\n[--------------\n");
10765 PrintPosition(f, backwardMostMove);
10766 fprintf(f, "--------------]\n");
10771 i = backwardMostMove;
10772 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10774 while (i < forwardMostMove) {
10775 if (commentList[i] != NULL) {
10776 fprintf(f, "[%s]\n", commentList[i]);
10779 if ((i % 2) == 1) {
10780 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
10783 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
10785 if (commentList[i] != NULL) {
10789 if (i >= forwardMostMove) {
10793 fprintf(f, "%s\n", parseList[i]);
10798 if (commentList[i] != NULL) {
10799 fprintf(f, "[%s]\n", commentList[i]);
10802 /* This isn't really the old style, but it's close enough */
10803 if (gameInfo.resultDetails != NULL &&
10804 gameInfo.resultDetails[0] != NULLCHAR) {
10805 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
10806 gameInfo.resultDetails);
10808 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10815 /* Save the current game to open file f and close the file */
10817 SaveGame(f, dummy, dummy2)
10822 if (gameMode == EditPosition) EditPositionDone(TRUE);
10823 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10824 if (appData.oldSaveStyle)
10825 return SaveGameOldStyle(f);
10827 return SaveGamePGN(f);
10830 /* Save the current position to the given file */
10832 SavePositionToFile(filename)
10838 if (strcmp(filename, "-") == 0) {
10839 return SavePosition(stdout, 0, NULL);
10841 f = fopen(filename, "a");
10843 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10844 DisplayError(buf, errno);
10847 SavePosition(f, 0, NULL);
10853 /* Save the current position to the given open file and close the file */
10855 SavePosition(f, dummy, dummy2)
10862 if (gameMode == EditPosition) EditPositionDone(TRUE);
10863 if (appData.oldSaveStyle) {
10864 tm = time((time_t *) NULL);
10866 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
10868 fprintf(f, "[--------------\n");
10869 PrintPosition(f, currentMove);
10870 fprintf(f, "--------------]\n");
10872 fen = PositionToFEN(currentMove, NULL);
10873 fprintf(f, "%s\n", fen);
10881 ReloadCmailMsgEvent(unregister)
10885 static char *inFilename = NULL;
10886 static char *outFilename;
10888 struct stat inbuf, outbuf;
10891 /* Any registered moves are unregistered if unregister is set, */
10892 /* i.e. invoked by the signal handler */
10894 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
10895 cmailMoveRegistered[i] = FALSE;
10896 if (cmailCommentList[i] != NULL) {
10897 free(cmailCommentList[i]);
10898 cmailCommentList[i] = NULL;
10901 nCmailMovesRegistered = 0;
10904 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
10905 cmailResult[i] = CMAIL_NOT_RESULT;
10909 if (inFilename == NULL) {
10910 /* Because the filenames are static they only get malloced once */
10911 /* and they never get freed */
10912 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
10913 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
10915 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
10916 sprintf(outFilename, "%s.out", appData.cmailGameName);
10919 status = stat(outFilename, &outbuf);
10921 cmailMailedMove = FALSE;
10923 status = stat(inFilename, &inbuf);
10924 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
10927 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
10928 counts the games, notes how each one terminated, etc.
10930 It would be nice to remove this kludge and instead gather all
10931 the information while building the game list. (And to keep it
10932 in the game list nodes instead of having a bunch of fixed-size
10933 parallel arrays.) Note this will require getting each game's
10934 termination from the PGN tags, as the game list builder does
10935 not process the game moves. --mann
10937 cmailMsgLoaded = TRUE;
10938 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
10940 /* Load first game in the file or popup game menu */
10941 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
10943 #endif /* !WIN32 */
10951 char string[MSG_SIZ];
10953 if ( cmailMailedMove
10954 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
10955 return TRUE; /* Allow free viewing */
10958 /* Unregister move to ensure that we don't leave RegisterMove */
10959 /* with the move registered when the conditions for registering no */
10961 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10962 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
10963 nCmailMovesRegistered --;
10965 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
10967 free(cmailCommentList[lastLoadGameNumber - 1]);
10968 cmailCommentList[lastLoadGameNumber - 1] = NULL;
10972 if (cmailOldMove == -1) {
10973 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
10977 if (currentMove > cmailOldMove + 1) {
10978 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
10982 if (currentMove < cmailOldMove) {
10983 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
10987 if (forwardMostMove > currentMove) {
10988 /* Silently truncate extra moves */
10992 if ( (currentMove == cmailOldMove + 1)
10993 || ( (currentMove == cmailOldMove)
10994 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
10995 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
10996 if (gameInfo.result != GameUnfinished) {
10997 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
11000 if (commentList[currentMove] != NULL) {
11001 cmailCommentList[lastLoadGameNumber - 1]
11002 = StrSave(commentList[currentMove]);
11004 strcpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1]);
11006 if (appData.debugMode)
11007 fprintf(debugFP, "Saving %s for game %d\n",
11008 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11011 "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
11013 f = fopen(string, "w");
11014 if (appData.oldSaveStyle) {
11015 SaveGameOldStyle(f); /* also closes the file */
11017 sprintf(string, "%s.pos.out", appData.cmailGameName);
11018 f = fopen(string, "w");
11019 SavePosition(f, 0, NULL); /* also closes the file */
11021 fprintf(f, "{--------------\n");
11022 PrintPosition(f, currentMove);
11023 fprintf(f, "--------------}\n\n");
11025 SaveGame(f, 0, NULL); /* also closes the file*/
11028 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
11029 nCmailMovesRegistered ++;
11030 } else if (nCmailGames == 1) {
11031 DisplayError(_("You have not made a move yet"), 0);
11042 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
11043 FILE *commandOutput;
11044 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
11045 int nBytes = 0; /* Suppress warnings on uninitialized variables */
11051 if (! cmailMsgLoaded) {
11052 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
11056 if (nCmailGames == nCmailResults) {
11057 DisplayError(_("No unfinished games"), 0);
11061 #if CMAIL_PROHIBIT_REMAIL
11062 if (cmailMailedMove) {
11063 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);
11064 DisplayError(msg, 0);
11069 if (! (cmailMailedMove || RegisterMove())) return;
11071 if ( cmailMailedMove
11072 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
11073 sprintf(string, partCommandString,
11074 appData.debugMode ? " -v" : "", appData.cmailGameName);
11075 commandOutput = popen(string, "r");
11077 if (commandOutput == NULL) {
11078 DisplayError(_("Failed to invoke cmail"), 0);
11080 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
11081 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
11083 if (nBuffers > 1) {
11084 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
11085 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
11086 nBytes = MSG_SIZ - 1;
11088 (void) memcpy(msg, buffer, nBytes);
11090 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
11092 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
11093 cmailMailedMove = TRUE; /* Prevent >1 moves */
11096 for (i = 0; i < nCmailGames; i ++) {
11097 if (cmailResult[i] == CMAIL_NOT_RESULT) {
11102 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
11104 sprintf(buffer, "%s/%s.%s.archive",
11106 appData.cmailGameName,
11108 LoadGameFromFile(buffer, 1, buffer, FALSE);
11109 cmailMsgLoaded = FALSE;
11113 DisplayInformation(msg);
11114 pclose(commandOutput);
11117 if ((*cmailMsg) != '\0') {
11118 DisplayInformation(cmailMsg);
11123 #endif /* !WIN32 */
11132 int prependComma = 0;
11134 char string[MSG_SIZ]; /* Space for game-list */
11137 if (!cmailMsgLoaded) return "";
11139 if (cmailMailedMove) {
11140 sprintf(cmailMsg, _("Waiting for reply from opponent\n"));
11142 /* Create a list of games left */
11143 sprintf(string, "[");
11144 for (i = 0; i < nCmailGames; i ++) {
11145 if (! ( cmailMoveRegistered[i]
11146 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
11147 if (prependComma) {
11148 sprintf(number, ",%d", i + 1);
11150 sprintf(number, "%d", i + 1);
11154 strcat(string, number);
11157 strcat(string, "]");
11159 if (nCmailMovesRegistered + nCmailResults == 0) {
11160 switch (nCmailGames) {
11163 _("Still need to make move for game\n"));
11168 _("Still need to make moves for both games\n"));
11173 _("Still need to make moves for all %d games\n"),
11178 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
11181 _("Still need to make a move for game %s\n"),
11186 if (nCmailResults == nCmailGames) {
11187 sprintf(cmailMsg, _("No unfinished games\n"));
11189 sprintf(cmailMsg, _("Ready to send mail\n"));
11195 _("Still need to make moves for games %s\n"),
11207 if (gameMode == Training)
11208 SetTrainingModeOff();
11211 cmailMsgLoaded = FALSE;
11212 if (appData.icsActive) {
11213 SendToICS(ics_prefix);
11214 SendToICS("refresh\n");
11224 /* Give up on clean exit */
11228 /* Keep trying for clean exit */
11232 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
11234 if (telnetISR != NULL) {
11235 RemoveInputSource(telnetISR);
11237 if (icsPR != NoProc) {
11238 DestroyChildProcess(icsPR, TRUE);
11241 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
11242 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
11244 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
11245 /* make sure this other one finishes before killing it! */
11246 if(endingGame) { int count = 0;
11247 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
11248 while(endingGame && count++ < 10) DoSleep(1);
11249 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
11252 /* Kill off chess programs */
11253 if (first.pr != NoProc) {
11256 DoSleep( appData.delayBeforeQuit );
11257 SendToProgram("quit\n", &first);
11258 DoSleep( appData.delayAfterQuit );
11259 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
11261 if (second.pr != NoProc) {
11262 DoSleep( appData.delayBeforeQuit );
11263 SendToProgram("quit\n", &second);
11264 DoSleep( appData.delayAfterQuit );
11265 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
11267 if (first.isr != NULL) {
11268 RemoveInputSource(first.isr);
11270 if (second.isr != NULL) {
11271 RemoveInputSource(second.isr);
11274 ShutDownFrontEnd();
11281 if (appData.debugMode)
11282 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
11286 if (gameMode == MachinePlaysWhite ||
11287 gameMode == MachinePlaysBlack) {
11290 DisplayBothClocks();
11292 if (gameMode == PlayFromGameFile) {
11293 if (appData.timeDelay >= 0)
11294 AutoPlayGameLoop();
11295 } else if (gameMode == IcsExamining && pauseExamInvalid) {
11296 Reset(FALSE, TRUE);
11297 SendToICS(ics_prefix);
11298 SendToICS("refresh\n");
11299 } else if (currentMove < forwardMostMove) {
11300 ForwardInner(forwardMostMove);
11302 pauseExamInvalid = FALSE;
11304 switch (gameMode) {
11308 pauseExamForwardMostMove = forwardMostMove;
11309 pauseExamInvalid = FALSE;
11312 case IcsPlayingWhite:
11313 case IcsPlayingBlack:
11317 case PlayFromGameFile:
11318 (void) StopLoadGameTimer();
11322 case BeginningOfGame:
11323 if (appData.icsActive) return;
11324 /* else fall through */
11325 case MachinePlaysWhite:
11326 case MachinePlaysBlack:
11327 case TwoMachinesPlay:
11328 if (forwardMostMove == 0)
11329 return; /* don't pause if no one has moved */
11330 if ((gameMode == MachinePlaysWhite &&
11331 !WhiteOnMove(forwardMostMove)) ||
11332 (gameMode == MachinePlaysBlack &&
11333 WhiteOnMove(forwardMostMove))) {
11346 char title[MSG_SIZ];
11348 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
11349 strcpy(title, _("Edit comment"));
11351 sprintf(title, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
11352 WhiteOnMove(currentMove - 1) ? " " : ".. ",
11353 parseList[currentMove - 1]);
11356 EditCommentPopUp(currentMove, title, commentList[currentMove]);
11363 char *tags = PGNTags(&gameInfo);
11364 EditTagsPopUp(tags);
11371 if (appData.noChessProgram || gameMode == AnalyzeMode)
11374 if (gameMode != AnalyzeFile) {
11375 if (!appData.icsEngineAnalyze) {
11377 if (gameMode != EditGame) return;
11379 ResurrectChessProgram();
11380 SendToProgram("analyze\n", &first);
11381 first.analyzing = TRUE;
11382 /*first.maybeThinking = TRUE;*/
11383 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11384 EngineOutputPopUp();
11386 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
11391 StartAnalysisClock();
11392 GetTimeMark(&lastNodeCountTime);
11399 if (appData.noChessProgram || gameMode == AnalyzeFile)
11402 if (gameMode != AnalyzeMode) {
11404 if (gameMode != EditGame) return;
11405 ResurrectChessProgram();
11406 SendToProgram("analyze\n", &first);
11407 first.analyzing = TRUE;
11408 /*first.maybeThinking = TRUE;*/
11409 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11410 EngineOutputPopUp();
11412 gameMode = AnalyzeFile;
11417 StartAnalysisClock();
11418 GetTimeMark(&lastNodeCountTime);
11423 MachineWhiteEvent()
11426 char *bookHit = NULL;
11428 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
11432 if (gameMode == PlayFromGameFile ||
11433 gameMode == TwoMachinesPlay ||
11434 gameMode == Training ||
11435 gameMode == AnalyzeMode ||
11436 gameMode == EndOfGame)
11439 if (gameMode == EditPosition)
11440 EditPositionDone(TRUE);
11442 if (!WhiteOnMove(currentMove)) {
11443 DisplayError(_("It is not White's turn"), 0);
11447 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11450 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11451 gameMode == AnalyzeFile)
11454 ResurrectChessProgram(); /* in case it isn't running */
11455 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
11456 gameMode = MachinePlaysWhite;
11459 gameMode = MachinePlaysWhite;
11463 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11465 if (first.sendName) {
11466 sprintf(buf, "name %s\n", gameInfo.black);
11467 SendToProgram(buf, &first);
11469 if (first.sendTime) {
11470 if (first.useColors) {
11471 SendToProgram("black\n", &first); /*gnu kludge*/
11473 SendTimeRemaining(&first, TRUE);
11475 if (first.useColors) {
11476 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
11478 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11479 SetMachineThinkingEnables();
11480 first.maybeThinking = TRUE;
11484 if (appData.autoFlipView && !flipView) {
11485 flipView = !flipView;
11486 DrawPosition(FALSE, NULL);
11487 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11490 if(bookHit) { // [HGM] book: simulate book reply
11491 static char bookMove[MSG_SIZ]; // a bit generous?
11493 programStats.nodes = programStats.depth = programStats.time =
11494 programStats.score = programStats.got_only_move = 0;
11495 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11497 strcpy(bookMove, "move ");
11498 strcat(bookMove, bookHit);
11499 HandleMachineMove(bookMove, &first);
11504 MachineBlackEvent()
11507 char *bookHit = NULL;
11509 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
11513 if (gameMode == PlayFromGameFile
11514 || gameMode == TwoMachinesPlay
11515 || gameMode == Training
11516 || gameMode == AnalyzeMode
11517 || gameMode == EndOfGame)
11520 if (gameMode == EditPosition)
11521 EditPositionDone(TRUE);
11523 if (WhiteOnMove(currentMove))
11525 DisplayError(_("It is not Black's turn"), 0);
11529 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11532 if (gameMode == EditGame || gameMode == AnalyzeMode
11533 || gameMode == AnalyzeFile)
11536 ResurrectChessProgram(); /* in case it isn't running */
11537 gameMode = MachinePlaysBlack;
11541 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11543 if (first.sendName)
11545 sprintf(buf, "name %s\n", gameInfo.white);
11546 SendToProgram(buf, &first);
11548 if (first.sendTime)
11550 if (first.useColors)
11552 SendToProgram("white\n", &first); /*gnu kludge*/
11554 SendTimeRemaining(&first, FALSE);
11556 if (first.useColors)
11558 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
11560 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11561 SetMachineThinkingEnables();
11562 first.maybeThinking = TRUE;
11565 if (appData.autoFlipView && flipView)
11567 flipView = !flipView;
11568 DrawPosition(FALSE, NULL);
11569 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11572 { // [HGM] book: simulate book reply
11573 static char bookMove[MSG_SIZ]; // a bit generous?
11575 programStats.nodes = programStats.depth = programStats.time
11576 = programStats.score = programStats.got_only_move = 0;
11577 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11579 strcpy(bookMove, "move ");
11580 strcat(bookMove, bookHit);
11581 HandleMachineMove(bookMove, &first);
11588 DisplayTwoMachinesTitle()
11591 if (appData.matchGames > 0) {
11592 if (first.twoMachinesColor[0] == 'w') {
11593 sprintf(buf, "%s vs. %s (%d-%d-%d)",
11594 gameInfo.white, gameInfo.black,
11595 first.matchWins, second.matchWins,
11596 matchGame - 1 - (first.matchWins + second.matchWins));
11598 sprintf(buf, "%s vs. %s (%d-%d-%d)",
11599 gameInfo.white, gameInfo.black,
11600 second.matchWins, first.matchWins,
11601 matchGame - 1 - (first.matchWins + second.matchWins));
11604 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11610 TwoMachinesEvent P((void))
11614 ChessProgramState *onmove;
11615 char *bookHit = NULL;
11617 if (appData.noChessProgram) return;
11619 switch (gameMode) {
11620 case TwoMachinesPlay:
11622 case MachinePlaysWhite:
11623 case MachinePlaysBlack:
11624 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11625 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11629 case BeginningOfGame:
11630 case PlayFromGameFile:
11633 if (gameMode != EditGame) return;
11636 EditPositionDone(TRUE);
11647 // forwardMostMove = currentMove;
11648 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
11649 ResurrectChessProgram(); /* in case first program isn't running */
11651 if (second.pr == NULL) {
11652 StartChessProgram(&second);
11653 if (second.protocolVersion == 1) {
11654 TwoMachinesEventIfReady();
11656 /* kludge: allow timeout for initial "feature" command */
11658 DisplayMessage("", _("Starting second chess program"));
11659 ScheduleDelayedEvent(TwoMachinesEventIfReady, FEATURE_TIMEOUT);
11663 DisplayMessage("", "");
11664 InitChessProgram(&second, FALSE);
11665 SendToProgram("force\n", &second);
11666 if (startedFromSetupPosition) {
11667 SendBoard(&second, backwardMostMove);
11668 if (appData.debugMode) {
11669 fprintf(debugFP, "Two Machines\n");
11672 for (i = backwardMostMove; i < forwardMostMove; i++) {
11673 SendMoveToProgram(i, &second);
11676 gameMode = TwoMachinesPlay;
11680 DisplayTwoMachinesTitle();
11682 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
11688 SendToProgram(first.computerString, &first);
11689 if (first.sendName) {
11690 sprintf(buf, "name %s\n", second.tidy);
11691 SendToProgram(buf, &first);
11693 SendToProgram(second.computerString, &second);
11694 if (second.sendName) {
11695 sprintf(buf, "name %s\n", first.tidy);
11696 SendToProgram(buf, &second);
11700 if (!first.sendTime || !second.sendTime) {
11701 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11702 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11704 if (onmove->sendTime) {
11705 if (onmove->useColors) {
11706 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
11708 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
11710 if (onmove->useColors) {
11711 SendToProgram(onmove->twoMachinesColor, onmove);
11713 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
11714 // SendToProgram("go\n", onmove);
11715 onmove->maybeThinking = TRUE;
11716 SetMachineThinkingEnables();
11720 if(bookHit) { // [HGM] book: simulate book reply
11721 static char bookMove[MSG_SIZ]; // a bit generous?
11723 programStats.nodes = programStats.depth = programStats.time =
11724 programStats.score = programStats.got_only_move = 0;
11725 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11727 strcpy(bookMove, "move ");
11728 strcat(bookMove, bookHit);
11729 savedMessage = bookMove; // args for deferred call
11730 savedState = onmove;
11731 ScheduleDelayedEvent(DeferredBookMove, 1);
11738 if (gameMode == Training) {
11739 SetTrainingModeOff();
11740 gameMode = PlayFromGameFile;
11741 DisplayMessage("", _("Training mode off"));
11743 gameMode = Training;
11744 animateTraining = appData.animate;
11746 /* make sure we are not already at the end of the game */
11747 if (currentMove < forwardMostMove) {
11748 SetTrainingModeOn();
11749 DisplayMessage("", _("Training mode on"));
11751 gameMode = PlayFromGameFile;
11752 DisplayError(_("Already at end of game"), 0);
11761 if (!appData.icsActive) return;
11762 switch (gameMode) {
11763 case IcsPlayingWhite:
11764 case IcsPlayingBlack:
11767 case BeginningOfGame:
11775 EditPositionDone(TRUE);
11788 gameMode = IcsIdle;
11799 switch (gameMode) {
11801 SetTrainingModeOff();
11803 case MachinePlaysWhite:
11804 case MachinePlaysBlack:
11805 case BeginningOfGame:
11806 SendToProgram("force\n", &first);
11807 SetUserThinkingEnables();
11809 case PlayFromGameFile:
11810 (void) StopLoadGameTimer();
11811 if (gameFileFP != NULL) {
11816 EditPositionDone(TRUE);
11821 SendToProgram("force\n", &first);
11823 case TwoMachinesPlay:
11824 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
11825 ResurrectChessProgram();
11826 SetUserThinkingEnables();
11829 ResurrectChessProgram();
11831 case IcsPlayingBlack:
11832 case IcsPlayingWhite:
11833 DisplayError(_("Warning: You are still playing a game"), 0);
11836 DisplayError(_("Warning: You are still observing a game"), 0);
11839 DisplayError(_("Warning: You are still examining a game"), 0);
11850 first.offeredDraw = second.offeredDraw = 0;
11852 if (gameMode == PlayFromGameFile) {
11853 whiteTimeRemaining = timeRemaining[0][currentMove];
11854 blackTimeRemaining = timeRemaining[1][currentMove];
11858 if (gameMode == MachinePlaysWhite ||
11859 gameMode == MachinePlaysBlack ||
11860 gameMode == TwoMachinesPlay ||
11861 gameMode == EndOfGame) {
11862 i = forwardMostMove;
11863 while (i > currentMove) {
11864 SendToProgram("undo\n", &first);
11867 whiteTimeRemaining = timeRemaining[0][currentMove];
11868 blackTimeRemaining = timeRemaining[1][currentMove];
11869 DisplayBothClocks();
11870 if (whiteFlag || blackFlag) {
11871 whiteFlag = blackFlag = 0;
11876 gameMode = EditGame;
11883 EditPositionEvent()
11885 if (gameMode == EditPosition) {
11891 if (gameMode != EditGame) return;
11893 gameMode = EditPosition;
11896 if (currentMove > 0)
11897 CopyBoard(boards[0], boards[currentMove]);
11899 blackPlaysFirst = !WhiteOnMove(currentMove);
11901 currentMove = forwardMostMove = backwardMostMove = 0;
11902 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11909 /* [DM] icsEngineAnalyze - possible call from other functions */
11910 if (appData.icsEngineAnalyze) {
11911 appData.icsEngineAnalyze = FALSE;
11913 DisplayMessage("",_("Close ICS engine analyze..."));
11915 if (first.analysisSupport && first.analyzing) {
11916 SendToProgram("exit\n", &first);
11917 first.analyzing = FALSE;
11919 thinkOutput[0] = NULLCHAR;
11923 EditPositionDone(Boolean fakeRights)
11925 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
11927 startedFromSetupPosition = TRUE;
11928 InitChessProgram(&first, FALSE);
11929 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
11930 boards[0][EP_STATUS] = EP_NONE;
11931 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
11932 if(boards[0][0][BOARD_WIDTH>>1] == king) {
11933 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
11934 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
11935 } else boards[0][CASTLING][2] = NoRights;
11936 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
11937 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
11938 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
11939 } else boards[0][CASTLING][5] = NoRights;
11941 SendToProgram("force\n", &first);
11942 if (blackPlaysFirst) {
11943 strcpy(moveList[0], "");
11944 strcpy(parseList[0], "");
11945 currentMove = forwardMostMove = backwardMostMove = 1;
11946 CopyBoard(boards[1], boards[0]);
11948 currentMove = forwardMostMove = backwardMostMove = 0;
11950 SendBoard(&first, forwardMostMove);
11951 if (appData.debugMode) {
11952 fprintf(debugFP, "EditPosDone\n");
11955 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11956 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11957 gameMode = EditGame;
11959 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11960 ClearHighlights(); /* [AS] */
11963 /* Pause for `ms' milliseconds */
11964 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
11974 } while (SubtractTimeMarks(&m2, &m1) < ms);
11977 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
11979 SendMultiLineToICS(buf)
11982 char temp[MSG_SIZ+1], *p;
11989 strncpy(temp, buf, len);
11994 if (*p == '\n' || *p == '\r')
11999 strcat(temp, "\n");
12001 SendToPlayer(temp, strlen(temp));
12005 SetWhiteToPlayEvent()
12007 if (gameMode == EditPosition) {
12008 blackPlaysFirst = FALSE;
12009 DisplayBothClocks(); /* works because currentMove is 0 */
12010 } else if (gameMode == IcsExamining) {
12011 SendToICS(ics_prefix);
12012 SendToICS("tomove white\n");
12017 SetBlackToPlayEvent()
12019 if (gameMode == EditPosition) {
12020 blackPlaysFirst = TRUE;
12021 currentMove = 1; /* kludge */
12022 DisplayBothClocks();
12024 } else if (gameMode == IcsExamining) {
12025 SendToICS(ics_prefix);
12026 SendToICS("tomove black\n");
12031 EditPositionMenuEvent(selection, x, y)
12032 ChessSquare selection;
12036 ChessSquare piece = boards[0][y][x];
12038 if (gameMode != EditPosition && gameMode != IcsExamining) return;
12040 switch (selection) {
12042 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
12043 SendToICS(ics_prefix);
12044 SendToICS("bsetup clear\n");
12045 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
12046 SendToICS(ics_prefix);
12047 SendToICS("clearboard\n");
12049 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
12050 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
12051 for (y = 0; y < BOARD_HEIGHT; y++) {
12052 if (gameMode == IcsExamining) {
12053 if (boards[currentMove][y][x] != EmptySquare) {
12054 sprintf(buf, "%sx@%c%c\n", ics_prefix,
12059 boards[0][y][x] = p;
12064 if (gameMode == EditPosition) {
12065 DrawPosition(FALSE, boards[0]);
12070 SetWhiteToPlayEvent();
12074 SetBlackToPlayEvent();
12078 if (gameMode == IcsExamining) {
12079 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12080 sprintf(buf, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
12083 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12084 if(x == BOARD_LEFT-2) {
12085 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
12086 boards[0][y][1] = 0;
12088 if(x == BOARD_RGHT+1) {
12089 if(y >= gameInfo.holdingsSize) break;
12090 boards[0][y][BOARD_WIDTH-2] = 0;
12093 boards[0][y][x] = EmptySquare;
12094 DrawPosition(FALSE, boards[0]);
12099 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
12100 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
12101 selection = (ChessSquare) (PROMOTED piece);
12102 } else if(piece == EmptySquare) selection = WhiteSilver;
12103 else selection = (ChessSquare)((int)piece - 1);
12107 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
12108 piece > (int)BlackMan && piece <= (int)BlackKing ) {
12109 selection = (ChessSquare) (DEMOTED piece);
12110 } else if(piece == EmptySquare) selection = BlackSilver;
12111 else selection = (ChessSquare)((int)piece + 1);
12116 if(gameInfo.variant == VariantShatranj ||
12117 gameInfo.variant == VariantXiangqi ||
12118 gameInfo.variant == VariantCourier ||
12119 gameInfo.variant == VariantMakruk )
12120 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
12125 if(gameInfo.variant == VariantXiangqi)
12126 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
12127 if(gameInfo.variant == VariantKnightmate)
12128 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
12131 if (gameMode == IcsExamining) {
12132 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12133 sprintf(buf, "%s%c@%c%c\n", ics_prefix,
12134 PieceToChar(selection), AAA + x, ONE + y);
12137 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12139 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
12140 n = PieceToNumber(selection - BlackPawn);
12141 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
12142 boards[0][BOARD_HEIGHT-1-n][0] = selection;
12143 boards[0][BOARD_HEIGHT-1-n][1]++;
12145 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
12146 n = PieceToNumber(selection);
12147 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
12148 boards[0][n][BOARD_WIDTH-1] = selection;
12149 boards[0][n][BOARD_WIDTH-2]++;
12152 boards[0][y][x] = selection;
12153 DrawPosition(TRUE, boards[0]);
12161 DropMenuEvent(selection, x, y)
12162 ChessSquare selection;
12165 ChessMove moveType;
12167 switch (gameMode) {
12168 case IcsPlayingWhite:
12169 case MachinePlaysBlack:
12170 if (!WhiteOnMove(currentMove)) {
12171 DisplayMoveError(_("It is Black's turn"));
12174 moveType = WhiteDrop;
12176 case IcsPlayingBlack:
12177 case MachinePlaysWhite:
12178 if (WhiteOnMove(currentMove)) {
12179 DisplayMoveError(_("It is White's turn"));
12182 moveType = BlackDrop;
12185 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
12191 if (moveType == BlackDrop && selection < BlackPawn) {
12192 selection = (ChessSquare) ((int) selection
12193 + (int) BlackPawn - (int) WhitePawn);
12195 if (boards[currentMove][y][x] != EmptySquare) {
12196 DisplayMoveError(_("That square is occupied"));
12200 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
12206 /* Accept a pending offer of any kind from opponent */
12208 if (appData.icsActive) {
12209 SendToICS(ics_prefix);
12210 SendToICS("accept\n");
12211 } else if (cmailMsgLoaded) {
12212 if (currentMove == cmailOldMove &&
12213 commentList[cmailOldMove] != NULL &&
12214 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12215 "Black offers a draw" : "White offers a draw")) {
12217 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12218 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12220 DisplayError(_("There is no pending offer on this move"), 0);
12221 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12224 /* Not used for offers from chess program */
12231 /* Decline a pending offer of any kind from opponent */
12233 if (appData.icsActive) {
12234 SendToICS(ics_prefix);
12235 SendToICS("decline\n");
12236 } else if (cmailMsgLoaded) {
12237 if (currentMove == cmailOldMove &&
12238 commentList[cmailOldMove] != NULL &&
12239 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12240 "Black offers a draw" : "White offers a draw")) {
12242 AppendComment(cmailOldMove, "Draw declined", TRUE);
12243 DisplayComment(cmailOldMove - 1, "Draw declined");
12246 DisplayError(_("There is no pending offer on this move"), 0);
12249 /* Not used for offers from chess program */
12256 /* Issue ICS rematch command */
12257 if (appData.icsActive) {
12258 SendToICS(ics_prefix);
12259 SendToICS("rematch\n");
12266 /* Call your opponent's flag (claim a win on time) */
12267 if (appData.icsActive) {
12268 SendToICS(ics_prefix);
12269 SendToICS("flag\n");
12271 switch (gameMode) {
12274 case MachinePlaysWhite:
12277 GameEnds(GameIsDrawn, "Both players ran out of time",
12280 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
12282 DisplayError(_("Your opponent is not out of time"), 0);
12285 case MachinePlaysBlack:
12288 GameEnds(GameIsDrawn, "Both players ran out of time",
12291 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
12293 DisplayError(_("Your opponent is not out of time"), 0);
12303 /* Offer draw or accept pending draw offer from opponent */
12305 if (appData.icsActive) {
12306 /* Note: tournament rules require draw offers to be
12307 made after you make your move but before you punch
12308 your clock. Currently ICS doesn't let you do that;
12309 instead, you immediately punch your clock after making
12310 a move, but you can offer a draw at any time. */
12312 SendToICS(ics_prefix);
12313 SendToICS("draw\n");
12314 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
12315 } else if (cmailMsgLoaded) {
12316 if (currentMove == cmailOldMove &&
12317 commentList[cmailOldMove] != NULL &&
12318 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12319 "Black offers a draw" : "White offers a draw")) {
12320 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12321 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12322 } else if (currentMove == cmailOldMove + 1) {
12323 char *offer = WhiteOnMove(cmailOldMove) ?
12324 "White offers a draw" : "Black offers a draw";
12325 AppendComment(currentMove, offer, TRUE);
12326 DisplayComment(currentMove - 1, offer);
12327 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
12329 DisplayError(_("You must make your move before offering a draw"), 0);
12330 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12332 } else if (first.offeredDraw) {
12333 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
12335 if (first.sendDrawOffers) {
12336 SendToProgram("draw\n", &first);
12337 userOfferedDraw = TRUE;
12345 /* Offer Adjourn or accept pending Adjourn offer from opponent */
12347 if (appData.icsActive) {
12348 SendToICS(ics_prefix);
12349 SendToICS("adjourn\n");
12351 /* Currently GNU Chess doesn't offer or accept Adjourns */
12359 /* Offer Abort or accept pending Abort offer from opponent */
12361 if (appData.icsActive) {
12362 SendToICS(ics_prefix);
12363 SendToICS("abort\n");
12365 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
12372 /* Resign. You can do this even if it's not your turn. */
12374 if (appData.icsActive) {
12375 SendToICS(ics_prefix);
12376 SendToICS("resign\n");
12378 switch (gameMode) {
12379 case MachinePlaysWhite:
12380 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12382 case MachinePlaysBlack:
12383 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12386 if (cmailMsgLoaded) {
12388 if (WhiteOnMove(cmailOldMove)) {
12389 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12391 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12393 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
12404 StopObservingEvent()
12406 /* Stop observing current games */
12407 SendToICS(ics_prefix);
12408 SendToICS("unobserve\n");
12412 StopExaminingEvent()
12414 /* Stop observing current game */
12415 SendToICS(ics_prefix);
12416 SendToICS("unexamine\n");
12420 ForwardInner(target)
12425 if (appData.debugMode)
12426 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
12427 target, currentMove, forwardMostMove);
12429 if (gameMode == EditPosition)
12432 if (gameMode == PlayFromGameFile && !pausing)
12435 if (gameMode == IcsExamining && pausing)
12436 limit = pauseExamForwardMostMove;
12438 limit = forwardMostMove;
12440 if (target > limit) target = limit;
12442 if (target > 0 && moveList[target - 1][0]) {
12443 int fromX, fromY, toX, toY;
12444 toX = moveList[target - 1][2] - AAA;
12445 toY = moveList[target - 1][3] - ONE;
12446 if (moveList[target - 1][1] == '@') {
12447 if (appData.highlightLastMove) {
12448 SetHighlights(-1, -1, toX, toY);
12451 fromX = moveList[target - 1][0] - AAA;
12452 fromY = moveList[target - 1][1] - ONE;
12453 if (target == currentMove + 1) {
12454 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12456 if (appData.highlightLastMove) {
12457 SetHighlights(fromX, fromY, toX, toY);
12461 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12462 gameMode == Training || gameMode == PlayFromGameFile ||
12463 gameMode == AnalyzeFile) {
12464 while (currentMove < target) {
12465 SendMoveToProgram(currentMove++, &first);
12468 currentMove = target;
12471 if (gameMode == EditGame || gameMode == EndOfGame) {
12472 whiteTimeRemaining = timeRemaining[0][currentMove];
12473 blackTimeRemaining = timeRemaining[1][currentMove];
12475 DisplayBothClocks();
12476 DisplayMove(currentMove - 1);
12477 DrawPosition(FALSE, boards[currentMove]);
12478 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12479 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
12480 DisplayComment(currentMove - 1, commentList[currentMove]);
12488 if (gameMode == IcsExamining && !pausing) {
12489 SendToICS(ics_prefix);
12490 SendToICS("forward\n");
12492 ForwardInner(currentMove + 1);
12499 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12500 /* to optimze, we temporarily turn off analysis mode while we feed
12501 * the remaining moves to the engine. Otherwise we get analysis output
12504 if (first.analysisSupport) {
12505 SendToProgram("exit\nforce\n", &first);
12506 first.analyzing = FALSE;
12510 if (gameMode == IcsExamining && !pausing) {
12511 SendToICS(ics_prefix);
12512 SendToICS("forward 999999\n");
12514 ForwardInner(forwardMostMove);
12517 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12518 /* we have fed all the moves, so reactivate analysis mode */
12519 SendToProgram("analyze\n", &first);
12520 first.analyzing = TRUE;
12521 /*first.maybeThinking = TRUE;*/
12522 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12527 BackwardInner(target)
12530 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
12532 if (appData.debugMode)
12533 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
12534 target, currentMove, forwardMostMove);
12536 if (gameMode == EditPosition) return;
12537 if (currentMove <= backwardMostMove) {
12539 DrawPosition(full_redraw, boards[currentMove]);
12542 if (gameMode == PlayFromGameFile && !pausing)
12545 if (moveList[target][0]) {
12546 int fromX, fromY, toX, toY;
12547 toX = moveList[target][2] - AAA;
12548 toY = moveList[target][3] - ONE;
12549 if (moveList[target][1] == '@') {
12550 if (appData.highlightLastMove) {
12551 SetHighlights(-1, -1, toX, toY);
12554 fromX = moveList[target][0] - AAA;
12555 fromY = moveList[target][1] - ONE;
12556 if (target == currentMove - 1) {
12557 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
12559 if (appData.highlightLastMove) {
12560 SetHighlights(fromX, fromY, toX, toY);
12564 if (gameMode == EditGame || gameMode==AnalyzeMode ||
12565 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
12566 while (currentMove > target) {
12567 SendToProgram("undo\n", &first);
12571 currentMove = target;
12574 if (gameMode == EditGame || gameMode == EndOfGame) {
12575 whiteTimeRemaining = timeRemaining[0][currentMove];
12576 blackTimeRemaining = timeRemaining[1][currentMove];
12578 DisplayBothClocks();
12579 DisplayMove(currentMove - 1);
12580 DrawPosition(full_redraw, boards[currentMove]);
12581 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12582 // [HGM] PV info: routine tests if comment empty
12583 DisplayComment(currentMove - 1, commentList[currentMove]);
12589 if (gameMode == IcsExamining && !pausing) {
12590 SendToICS(ics_prefix);
12591 SendToICS("backward\n");
12593 BackwardInner(currentMove - 1);
12600 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12601 /* to optimize, we temporarily turn off analysis mode while we undo
12602 * all the moves. Otherwise we get analysis output after each undo.
12604 if (first.analysisSupport) {
12605 SendToProgram("exit\nforce\n", &first);
12606 first.analyzing = FALSE;
12610 if (gameMode == IcsExamining && !pausing) {
12611 SendToICS(ics_prefix);
12612 SendToICS("backward 999999\n");
12614 BackwardInner(backwardMostMove);
12617 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12618 /* we have fed all the moves, so reactivate analysis mode */
12619 SendToProgram("analyze\n", &first);
12620 first.analyzing = TRUE;
12621 /*first.maybeThinking = TRUE;*/
12622 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12629 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
12630 if (to >= forwardMostMove) to = forwardMostMove;
12631 if (to <= backwardMostMove) to = backwardMostMove;
12632 if (to < currentMove) {
12642 if(PopTail(TRUE)) { // [HGM] vari: restore old game tail
12645 if (gameMode != IcsExamining) {
12646 DisplayError(_("You are not examining a game"), 0);
12650 DisplayError(_("You can't revert while pausing"), 0);
12653 SendToICS(ics_prefix);
12654 SendToICS("revert\n");
12660 switch (gameMode) {
12661 case MachinePlaysWhite:
12662 case MachinePlaysBlack:
12663 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12664 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12667 if (forwardMostMove < 2) return;
12668 currentMove = forwardMostMove = forwardMostMove - 2;
12669 whiteTimeRemaining = timeRemaining[0][currentMove];
12670 blackTimeRemaining = timeRemaining[1][currentMove];
12671 DisplayBothClocks();
12672 DisplayMove(currentMove - 1);
12673 ClearHighlights();/*!! could figure this out*/
12674 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
12675 SendToProgram("remove\n", &first);
12676 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
12679 case BeginningOfGame:
12683 case IcsPlayingWhite:
12684 case IcsPlayingBlack:
12685 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
12686 SendToICS(ics_prefix);
12687 SendToICS("takeback 2\n");
12689 SendToICS(ics_prefix);
12690 SendToICS("takeback 1\n");
12699 ChessProgramState *cps;
12701 switch (gameMode) {
12702 case MachinePlaysWhite:
12703 if (!WhiteOnMove(forwardMostMove)) {
12704 DisplayError(_("It is your turn"), 0);
12709 case MachinePlaysBlack:
12710 if (WhiteOnMove(forwardMostMove)) {
12711 DisplayError(_("It is your turn"), 0);
12716 case TwoMachinesPlay:
12717 if (WhiteOnMove(forwardMostMove) ==
12718 (first.twoMachinesColor[0] == 'w')) {
12724 case BeginningOfGame:
12728 SendToProgram("?\n", cps);
12732 TruncateGameEvent()
12735 if (gameMode != EditGame) return;
12742 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
12743 if (forwardMostMove > currentMove) {
12744 if (gameInfo.resultDetails != NULL) {
12745 free(gameInfo.resultDetails);
12746 gameInfo.resultDetails = NULL;
12747 gameInfo.result = GameUnfinished;
12749 forwardMostMove = currentMove;
12750 HistorySet(parseList, backwardMostMove, forwardMostMove,
12758 if (appData.noChessProgram) return;
12759 switch (gameMode) {
12760 case MachinePlaysWhite:
12761 if (WhiteOnMove(forwardMostMove)) {
12762 DisplayError(_("Wait until your turn"), 0);
12766 case BeginningOfGame:
12767 case MachinePlaysBlack:
12768 if (!WhiteOnMove(forwardMostMove)) {
12769 DisplayError(_("Wait until your turn"), 0);
12774 DisplayError(_("No hint available"), 0);
12777 SendToProgram("hint\n", &first);
12778 hintRequested = TRUE;
12784 if (appData.noChessProgram) return;
12785 switch (gameMode) {
12786 case MachinePlaysWhite:
12787 if (WhiteOnMove(forwardMostMove)) {
12788 DisplayError(_("Wait until your turn"), 0);
12792 case BeginningOfGame:
12793 case MachinePlaysBlack:
12794 if (!WhiteOnMove(forwardMostMove)) {
12795 DisplayError(_("Wait until your turn"), 0);
12800 EditPositionDone(TRUE);
12802 case TwoMachinesPlay:
12807 SendToProgram("bk\n", &first);
12808 bookOutput[0] = NULLCHAR;
12809 bookRequested = TRUE;
12815 char *tags = PGNTags(&gameInfo);
12816 TagsPopUp(tags, CmailMsg());
12820 /* end button procedures */
12823 PrintPosition(fp, move)
12829 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12830 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
12831 char c = PieceToChar(boards[move][i][j]);
12832 fputc(c == 'x' ? '.' : c, fp);
12833 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
12836 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
12837 fprintf(fp, "white to play\n");
12839 fprintf(fp, "black to play\n");
12846 if (gameInfo.white != NULL) {
12847 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
12853 /* Find last component of program's own name, using some heuristics */
12855 TidyProgramName(prog, host, buf)
12856 char *prog, *host, buf[MSG_SIZ];
12859 int local = (strcmp(host, "localhost") == 0);
12860 while (!local && (p = strchr(prog, ';')) != NULL) {
12862 while (*p == ' ') p++;
12865 if (*prog == '"' || *prog == '\'') {
12866 q = strchr(prog + 1, *prog);
12868 q = strchr(prog, ' ');
12870 if (q == NULL) q = prog + strlen(prog);
12872 while (p >= prog && *p != '/' && *p != '\\') p--;
12874 if(p == prog && *p == '"') p++;
12875 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
12876 memcpy(buf, p, q - p);
12877 buf[q - p] = NULLCHAR;
12885 TimeControlTagValue()
12888 if (!appData.clockMode) {
12890 } else if (movesPerSession > 0) {
12891 sprintf(buf, "%d/%ld", movesPerSession, timeControl/1000);
12892 } else if (timeIncrement == 0) {
12893 sprintf(buf, "%ld", timeControl/1000);
12895 sprintf(buf, "%ld+%ld", timeControl/1000, timeIncrement/1000);
12897 return StrSave(buf);
12903 /* This routine is used only for certain modes */
12904 VariantClass v = gameInfo.variant;
12905 ChessMove r = GameUnfinished;
12908 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
12909 r = gameInfo.result;
12910 p = gameInfo.resultDetails;
12911 gameInfo.resultDetails = NULL;
12913 ClearGameInfo(&gameInfo);
12914 gameInfo.variant = v;
12916 switch (gameMode) {
12917 case MachinePlaysWhite:
12918 gameInfo.event = StrSave( appData.pgnEventHeader );
12919 gameInfo.site = StrSave(HostName());
12920 gameInfo.date = PGNDate();
12921 gameInfo.round = StrSave("-");
12922 gameInfo.white = StrSave(first.tidy);
12923 gameInfo.black = StrSave(UserName());
12924 gameInfo.timeControl = TimeControlTagValue();
12927 case MachinePlaysBlack:
12928 gameInfo.event = StrSave( appData.pgnEventHeader );
12929 gameInfo.site = StrSave(HostName());
12930 gameInfo.date = PGNDate();
12931 gameInfo.round = StrSave("-");
12932 gameInfo.white = StrSave(UserName());
12933 gameInfo.black = StrSave(first.tidy);
12934 gameInfo.timeControl = TimeControlTagValue();
12937 case TwoMachinesPlay:
12938 gameInfo.event = StrSave( appData.pgnEventHeader );
12939 gameInfo.site = StrSave(HostName());
12940 gameInfo.date = PGNDate();
12941 if (matchGame > 0) {
12943 sprintf(buf, "%d", matchGame);
12944 gameInfo.round = StrSave(buf);
12946 gameInfo.round = StrSave("-");
12948 if (first.twoMachinesColor[0] == 'w') {
12949 gameInfo.white = StrSave(first.tidy);
12950 gameInfo.black = StrSave(second.tidy);
12952 gameInfo.white = StrSave(second.tidy);
12953 gameInfo.black = StrSave(first.tidy);
12955 gameInfo.timeControl = TimeControlTagValue();
12959 gameInfo.event = StrSave("Edited game");
12960 gameInfo.site = StrSave(HostName());
12961 gameInfo.date = PGNDate();
12962 gameInfo.round = StrSave("-");
12963 gameInfo.white = StrSave("-");
12964 gameInfo.black = StrSave("-");
12965 gameInfo.result = r;
12966 gameInfo.resultDetails = p;
12970 gameInfo.event = StrSave("Edited position");
12971 gameInfo.site = StrSave(HostName());
12972 gameInfo.date = PGNDate();
12973 gameInfo.round = StrSave("-");
12974 gameInfo.white = StrSave("-");
12975 gameInfo.black = StrSave("-");
12978 case IcsPlayingWhite:
12979 case IcsPlayingBlack:
12984 case PlayFromGameFile:
12985 gameInfo.event = StrSave("Game from non-PGN file");
12986 gameInfo.site = StrSave(HostName());
12987 gameInfo.date = PGNDate();
12988 gameInfo.round = StrSave("-");
12989 gameInfo.white = StrSave("?");
12990 gameInfo.black = StrSave("?");
12999 ReplaceComment(index, text)
13005 while (*text == '\n') text++;
13006 len = strlen(text);
13007 while (len > 0 && text[len - 1] == '\n') len--;
13009 if (commentList[index] != NULL)
13010 free(commentList[index]);
13013 commentList[index] = NULL;
13016 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
13017 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
13018 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
13019 commentList[index] = (char *) malloc(len + 2);
13020 strncpy(commentList[index], text, len);
13021 commentList[index][len] = '\n';
13022 commentList[index][len + 1] = NULLCHAR;
13024 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
13026 commentList[index] = (char *) malloc(len + 6);
13027 strcpy(commentList[index], "{\n");
13028 strncpy(commentList[index]+2, text, len);
13029 commentList[index][len+2] = NULLCHAR;
13030 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
13031 strcat(commentList[index], "\n}\n");
13045 if (ch == '\r') continue;
13047 } while (ch != '\0');
13051 AppendComment(index, text, addBraces)
13054 Boolean addBraces; // [HGM] braces: tells if we should add {}
13059 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
13060 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
13063 while (*text == '\n') text++;
13064 len = strlen(text);
13065 while (len > 0 && text[len - 1] == '\n') len--;
13067 if (len == 0) return;
13069 if (commentList[index] != NULL) {
13070 old = commentList[index];
13071 oldlen = strlen(old);
13072 while(commentList[index][oldlen-1] == '\n')
13073 commentList[index][--oldlen] = NULLCHAR;
13074 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
13075 strcpy(commentList[index], old);
13077 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
13078 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces)) {
13079 if(addBraces) addBraces = FALSE; else { text++; len--; }
13080 while (*text == '\n') { text++; len--; }
13081 commentList[index][--oldlen] = NULLCHAR;
13083 if(addBraces) strcat(commentList[index], "\n{\n");
13084 else strcat(commentList[index], "\n");
13085 strcat(commentList[index], text);
13086 if(addBraces) strcat(commentList[index], "\n}\n");
13087 else strcat(commentList[index], "\n");
13089 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
13091 strcpy(commentList[index], "{\n");
13092 else commentList[index][0] = NULLCHAR;
13093 strcat(commentList[index], text);
13094 strcat(commentList[index], "\n");
13095 if(addBraces) strcat(commentList[index], "}\n");
13099 static char * FindStr( char * text, char * sub_text )
13101 char * result = strstr( text, sub_text );
13103 if( result != NULL ) {
13104 result += strlen( sub_text );
13110 /* [AS] Try to extract PV info from PGN comment */
13111 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
13112 char *GetInfoFromComment( int index, char * text )
13116 if( text != NULL && index > 0 ) {
13119 int time = -1, sec = 0, deci;
13120 char * s_eval = FindStr( text, "[%eval " );
13121 char * s_emt = FindStr( text, "[%emt " );
13123 if( s_eval != NULL || s_emt != NULL ) {
13127 if( s_eval != NULL ) {
13128 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
13132 if( delim != ']' ) {
13137 if( s_emt != NULL ) {
13142 /* We expect something like: [+|-]nnn.nn/dd */
13145 if(*text != '{') return text; // [HGM] braces: must be normal comment
13147 sep = strchr( text, '/' );
13148 if( sep == NULL || sep < (text+4) ) {
13152 time = -1; sec = -1; deci = -1;
13153 if( sscanf( text+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
13154 sscanf( text+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
13155 sscanf( text+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
13156 sscanf( text+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
13160 if( score_lo < 0 || score_lo >= 100 ) {
13164 if(sec >= 0) time = 600*time + 10*sec; else
13165 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
13167 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
13169 /* [HGM] PV time: now locate end of PV info */
13170 while( *++sep >= '0' && *sep <= '9'); // strip depth
13172 while( *++sep >= '0' && *sep <= '9'); // strip time
13174 while( *++sep >= '0' && *sep <= '9'); // strip seconds
13176 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
13177 while(*sep == ' ') sep++;
13188 pvInfoList[index-1].depth = depth;
13189 pvInfoList[index-1].score = score;
13190 pvInfoList[index-1].time = 10*time; // centi-sec
13191 if(*sep == '}') *sep = 0; else *--sep = '{';
13197 SendToProgram(message, cps)
13199 ChessProgramState *cps;
13201 int count, outCount, error;
13204 if (cps->pr == NULL) return;
13207 if (appData.debugMode) {
13210 fprintf(debugFP, "%ld >%-6s: %s",
13211 SubtractTimeMarks(&now, &programStartTime),
13212 cps->which, message);
13215 count = strlen(message);
13216 outCount = OutputToProcess(cps->pr, message, count, &error);
13217 if (outCount < count && !exiting
13218 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
13219 sprintf(buf, _("Error writing to %s chess program"), cps->which);
13220 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13221 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13222 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13223 sprintf(buf, "%s program exits in draw position (%s)", cps->which, cps->program);
13225 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13227 gameInfo.resultDetails = StrSave(buf);
13229 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13234 ReceiveFromProgram(isr, closure, message, count, error)
13235 InputSourceRef isr;
13243 ChessProgramState *cps = (ChessProgramState *)closure;
13245 if (isr != cps->isr) return; /* Killed intentionally */
13249 _("Error: %s chess program (%s) exited unexpectedly"),
13250 cps->which, cps->program);
13251 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13252 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13253 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13254 sprintf(buf, _("%s program exits in draw position (%s)"), cps->which, cps->program);
13256 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13258 gameInfo.resultDetails = StrSave(buf);
13260 RemoveInputSource(cps->isr);
13261 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
13264 _("Error reading from %s chess program (%s)"),
13265 cps->which, cps->program);
13266 RemoveInputSource(cps->isr);
13268 /* [AS] Program is misbehaving badly... kill it */
13269 if( count == -2 ) {
13270 DestroyChildProcess( cps->pr, 9 );
13274 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13279 if ((end_str = strchr(message, '\r')) != NULL)
13280 *end_str = NULLCHAR;
13281 if ((end_str = strchr(message, '\n')) != NULL)
13282 *end_str = NULLCHAR;
13284 if (appData.debugMode) {
13285 TimeMark now; int print = 1;
13286 char *quote = ""; char c; int i;
13288 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
13289 char start = message[0];
13290 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
13291 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
13292 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
13293 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
13294 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
13295 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
13296 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
13297 sscanf(message, "pong %c", &c)!=1 && start != '#')
13298 { quote = "# "; print = (appData.engineComments == 2); }
13299 message[0] = start; // restore original message
13303 fprintf(debugFP, "%ld <%-6s: %s%s\n",
13304 SubtractTimeMarks(&now, &programStartTime), cps->which,
13310 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
13311 if (appData.icsEngineAnalyze) {
13312 if (strstr(message, "whisper") != NULL ||
13313 strstr(message, "kibitz") != NULL ||
13314 strstr(message, "tellics") != NULL) return;
13317 HandleMachineMove(message, cps);
13322 SendTimeControl(cps, mps, tc, inc, sd, st)
13323 ChessProgramState *cps;
13324 int mps, inc, sd, st;
13330 if( timeControl_2 > 0 ) {
13331 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
13332 tc = timeControl_2;
13335 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
13336 inc /= cps->timeOdds;
13337 st /= cps->timeOdds;
13339 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
13342 /* Set exact time per move, normally using st command */
13343 if (cps->stKludge) {
13344 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
13346 if (seconds == 0) {
13347 sprintf(buf, "level 1 %d\n", st/60);
13349 sprintf(buf, "level 1 %d:%02d\n", st/60, seconds);
13352 sprintf(buf, "st %d\n", st);
13355 /* Set conventional or incremental time control, using level command */
13356 if (seconds == 0) {
13357 /* Note old gnuchess bug -- minutes:seconds used to not work.
13358 Fixed in later versions, but still avoid :seconds
13359 when seconds is 0. */
13360 sprintf(buf, "level %d %ld %d\n", mps, tc/60000, inc/1000);
13362 sprintf(buf, "level %d %ld:%02d %d\n", mps, tc/60000,
13363 seconds, inc/1000);
13366 SendToProgram(buf, cps);
13368 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
13369 /* Orthogonally, limit search to given depth */
13371 if (cps->sdKludge) {
13372 sprintf(buf, "depth\n%d\n", sd);
13374 sprintf(buf, "sd %d\n", sd);
13376 SendToProgram(buf, cps);
13379 if(cps->nps > 0) { /* [HGM] nps */
13380 if(cps->supportsNPS == FALSE) cps->nps = -1; // don't use if engine explicitly says not supported!
13382 sprintf(buf, "nps %d\n", cps->nps);
13383 SendToProgram(buf, cps);
13388 ChessProgramState *WhitePlayer()
13389 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
13391 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
13392 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
13398 SendTimeRemaining(cps, machineWhite)
13399 ChessProgramState *cps;
13400 int /*boolean*/ machineWhite;
13402 char message[MSG_SIZ];
13405 /* Note: this routine must be called when the clocks are stopped
13406 or when they have *just* been set or switched; otherwise
13407 it will be off by the time since the current tick started.
13409 if (machineWhite) {
13410 time = whiteTimeRemaining / 10;
13411 otime = blackTimeRemaining / 10;
13413 time = blackTimeRemaining / 10;
13414 otime = whiteTimeRemaining / 10;
13416 /* [HGM] translate opponent's time by time-odds factor */
13417 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
13418 if (appData.debugMode) {
13419 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
13422 if (time <= 0) time = 1;
13423 if (otime <= 0) otime = 1;
13425 sprintf(message, "time %ld\n", time);
13426 SendToProgram(message, cps);
13428 sprintf(message, "otim %ld\n", otime);
13429 SendToProgram(message, cps);
13433 BoolFeature(p, name, loc, cps)
13437 ChessProgramState *cps;
13440 int len = strlen(name);
13442 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13444 sscanf(*p, "%d", &val);
13446 while (**p && **p != ' ') (*p)++;
13447 sprintf(buf, "accepted %s\n", name);
13448 SendToProgram(buf, cps);
13455 IntFeature(p, name, loc, cps)
13459 ChessProgramState *cps;
13462 int len = strlen(name);
13463 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13465 sscanf(*p, "%d", loc);
13466 while (**p && **p != ' ') (*p)++;
13467 sprintf(buf, "accepted %s\n", name);
13468 SendToProgram(buf, cps);
13475 StringFeature(p, name, loc, cps)
13479 ChessProgramState *cps;
13482 int len = strlen(name);
13483 if (strncmp((*p), name, len) == 0
13484 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
13486 sscanf(*p, "%[^\"]", loc);
13487 while (**p && **p != '\"') (*p)++;
13488 if (**p == '\"') (*p)++;
13489 sprintf(buf, "accepted %s\n", name);
13490 SendToProgram(buf, cps);
13497 ParseOption(Option *opt, ChessProgramState *cps)
13498 // [HGM] options: process the string that defines an engine option, and determine
13499 // name, type, default value, and allowed value range
13501 char *p, *q, buf[MSG_SIZ];
13502 int n, min = (-1)<<31, max = 1<<31, def;
13504 if(p = strstr(opt->name, " -spin ")) {
13505 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13506 if(max < min) max = min; // enforce consistency
13507 if(def < min) def = min;
13508 if(def > max) def = max;
13513 } else if((p = strstr(opt->name, " -slider "))) {
13514 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
13515 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13516 if(max < min) max = min; // enforce consistency
13517 if(def < min) def = min;
13518 if(def > max) def = max;
13522 opt->type = Spin; // Slider;
13523 } else if((p = strstr(opt->name, " -string "))) {
13524 opt->textValue = p+9;
13525 opt->type = TextBox;
13526 } else if((p = strstr(opt->name, " -file "))) {
13527 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13528 opt->textValue = p+7;
13529 opt->type = TextBox; // FileName;
13530 } else if((p = strstr(opt->name, " -path "))) {
13531 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13532 opt->textValue = p+7;
13533 opt->type = TextBox; // PathName;
13534 } else if(p = strstr(opt->name, " -check ")) {
13535 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
13536 opt->value = (def != 0);
13537 opt->type = CheckBox;
13538 } else if(p = strstr(opt->name, " -combo ")) {
13539 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
13540 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
13541 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
13542 opt->value = n = 0;
13543 while(q = StrStr(q, " /// ")) {
13544 n++; *q = 0; // count choices, and null-terminate each of them
13546 if(*q == '*') { // remember default, which is marked with * prefix
13550 cps->comboList[cps->comboCnt++] = q;
13552 cps->comboList[cps->comboCnt++] = NULL;
13554 opt->type = ComboBox;
13555 } else if(p = strstr(opt->name, " -button")) {
13556 opt->type = Button;
13557 } else if(p = strstr(opt->name, " -save")) {
13558 opt->type = SaveButton;
13559 } else return FALSE;
13560 *p = 0; // terminate option name
13561 // now look if the command-line options define a setting for this engine option.
13562 if(cps->optionSettings && cps->optionSettings[0])
13563 p = strstr(cps->optionSettings, opt->name); else p = NULL;
13564 if(p && (p == cps->optionSettings || p[-1] == ',')) {
13565 sprintf(buf, "option %s", p);
13566 if(p = strstr(buf, ",")) *p = 0;
13568 SendToProgram(buf, cps);
13574 FeatureDone(cps, val)
13575 ChessProgramState* cps;
13578 DelayedEventCallback cb = GetDelayedEvent();
13579 if ((cb == InitBackEnd3 && cps == &first) ||
13580 (cb == TwoMachinesEventIfReady && cps == &second)) {
13581 CancelDelayedEvent();
13582 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
13584 cps->initDone = val;
13587 /* Parse feature command from engine */
13589 ParseFeatures(args, cps)
13591 ChessProgramState *cps;
13599 while (*p == ' ') p++;
13600 if (*p == NULLCHAR) return;
13602 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
13603 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
13604 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
13605 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
13606 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
13607 if (BoolFeature(&p, "reuse", &val, cps)) {
13608 /* Engine can disable reuse, but can't enable it if user said no */
13609 if (!val) cps->reuse = FALSE;
13612 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
13613 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
13614 if (gameMode == TwoMachinesPlay) {
13615 DisplayTwoMachinesTitle();
13621 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
13622 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
13623 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
13624 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
13625 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
13626 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
13627 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
13628 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
13629 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
13630 if (IntFeature(&p, "done", &val, cps)) {
13631 FeatureDone(cps, val);
13634 /* Added by Tord: */
13635 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
13636 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
13637 /* End of additions by Tord */
13639 /* [HGM] added features: */
13640 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
13641 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
13642 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
13643 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
13644 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13645 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
13646 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
13647 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
13648 sprintf(buf, "rejected option %s\n", cps->option[--cps->nrOptions].name);
13649 SendToProgram(buf, cps);
13652 if(cps->nrOptions >= MAX_OPTIONS) {
13654 sprintf(buf, "%s engine has too many options\n", cps->which);
13655 DisplayError(buf, 0);
13659 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13660 /* End of additions by HGM */
13662 /* unknown feature: complain and skip */
13664 while (*q && *q != '=') q++;
13665 sprintf(buf, "rejected %.*s\n", (int)(q-p), p);
13666 SendToProgram(buf, cps);
13672 while (*p && *p != '\"') p++;
13673 if (*p == '\"') p++;
13675 while (*p && *p != ' ') p++;
13683 PeriodicUpdatesEvent(newState)
13686 if (newState == appData.periodicUpdates)
13689 appData.periodicUpdates=newState;
13691 /* Display type changes, so update it now */
13692 // DisplayAnalysis();
13694 /* Get the ball rolling again... */
13696 AnalysisPeriodicEvent(1);
13697 StartAnalysisClock();
13702 PonderNextMoveEvent(newState)
13705 if (newState == appData.ponderNextMove) return;
13706 if (gameMode == EditPosition) EditPositionDone(TRUE);
13708 SendToProgram("hard\n", &first);
13709 if (gameMode == TwoMachinesPlay) {
13710 SendToProgram("hard\n", &second);
13713 SendToProgram("easy\n", &first);
13714 thinkOutput[0] = NULLCHAR;
13715 if (gameMode == TwoMachinesPlay) {
13716 SendToProgram("easy\n", &second);
13719 appData.ponderNextMove = newState;
13723 NewSettingEvent(option, command, value)
13729 if (gameMode == EditPosition) EditPositionDone(TRUE);
13730 sprintf(buf, "%s%s %d\n", (option ? "option ": ""), command, value);
13731 SendToProgram(buf, &first);
13732 if (gameMode == TwoMachinesPlay) {
13733 SendToProgram(buf, &second);
13738 ShowThinkingEvent()
13739 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
13741 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
13742 int newState = appData.showThinking
13743 // [HGM] thinking: other features now need thinking output as well
13744 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
13746 if (oldState == newState) return;
13747 oldState = newState;
13748 if (gameMode == EditPosition) EditPositionDone(TRUE);
13750 SendToProgram("post\n", &first);
13751 if (gameMode == TwoMachinesPlay) {
13752 SendToProgram("post\n", &second);
13755 SendToProgram("nopost\n", &first);
13756 thinkOutput[0] = NULLCHAR;
13757 if (gameMode == TwoMachinesPlay) {
13758 SendToProgram("nopost\n", &second);
13761 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
13765 AskQuestionEvent(title, question, replyPrefix, which)
13766 char *title; char *question; char *replyPrefix; char *which;
13768 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
13769 if (pr == NoProc) return;
13770 AskQuestion(title, question, replyPrefix, pr);
13774 DisplayMove(moveNumber)
13777 char message[MSG_SIZ];
13779 char cpThinkOutput[MSG_SIZ];
13781 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
13783 if (moveNumber == forwardMostMove - 1 ||
13784 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13786 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput));
13788 if (strchr(cpThinkOutput, '\n')) {
13789 *strchr(cpThinkOutput, '\n') = NULLCHAR;
13792 *cpThinkOutput = NULLCHAR;
13795 /* [AS] Hide thinking from human user */
13796 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
13797 *cpThinkOutput = NULLCHAR;
13798 if( thinkOutput[0] != NULLCHAR ) {
13801 for( i=0; i<=hiddenThinkOutputState; i++ ) {
13802 cpThinkOutput[i] = '.';
13804 cpThinkOutput[i] = NULLCHAR;
13805 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
13809 if (moveNumber == forwardMostMove - 1 &&
13810 gameInfo.resultDetails != NULL) {
13811 if (gameInfo.resultDetails[0] == NULLCHAR) {
13812 sprintf(res, " %s", PGNResult(gameInfo.result));
13814 sprintf(res, " {%s} %s",
13815 gameInfo.resultDetails, PGNResult(gameInfo.result));
13821 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
13822 DisplayMessage(res, cpThinkOutput);
13824 sprintf(message, "%d.%s%s%s", moveNumber / 2 + 1,
13825 WhiteOnMove(moveNumber) ? " " : ".. ",
13826 parseList[moveNumber], res);
13827 DisplayMessage(message, cpThinkOutput);
13832 DisplayComment(moveNumber, text)
13836 char title[MSG_SIZ];
13837 char buf[8000]; // comment can be long!
13839 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
13840 strcpy(title, "Comment");
13842 sprintf(title, "Comment on %d.%s%s", moveNumber / 2 + 1,
13843 WhiteOnMove(moveNumber) ? " " : ".. ",
13844 parseList[moveNumber]);
13846 // [HGM] PV info: display PV info together with (or as) comment
13847 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
13848 if(text == NULL) text = "";
13849 score = pvInfoList[moveNumber].score;
13850 sprintf(buf, "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
13851 depth, (pvInfoList[moveNumber].time+50)/100, text);
13854 if (text != NULL && (appData.autoDisplayComment || commentUp))
13855 CommentPopUp(title, text);
13858 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
13859 * might be busy thinking or pondering. It can be omitted if your
13860 * gnuchess is configured to stop thinking immediately on any user
13861 * input. However, that gnuchess feature depends on the FIONREAD
13862 * ioctl, which does not work properly on some flavors of Unix.
13866 ChessProgramState *cps;
13869 if (!cps->useSigint) return;
13870 if (appData.noChessProgram || (cps->pr == NoProc)) return;
13871 switch (gameMode) {
13872 case MachinePlaysWhite:
13873 case MachinePlaysBlack:
13874 case TwoMachinesPlay:
13875 case IcsPlayingWhite:
13876 case IcsPlayingBlack:
13879 /* Skip if we know it isn't thinking */
13880 if (!cps->maybeThinking) return;
13881 if (appData.debugMode)
13882 fprintf(debugFP, "Interrupting %s\n", cps->which);
13883 InterruptChildProcess(cps->pr);
13884 cps->maybeThinking = FALSE;
13889 #endif /*ATTENTION*/
13895 if (whiteTimeRemaining <= 0) {
13898 if (appData.icsActive) {
13899 if (appData.autoCallFlag &&
13900 gameMode == IcsPlayingBlack && !blackFlag) {
13901 SendToICS(ics_prefix);
13902 SendToICS("flag\n");
13906 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
13908 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
13909 if (appData.autoCallFlag) {
13910 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
13917 if (blackTimeRemaining <= 0) {
13920 if (appData.icsActive) {
13921 if (appData.autoCallFlag &&
13922 gameMode == IcsPlayingWhite && !whiteFlag) {
13923 SendToICS(ics_prefix);
13924 SendToICS("flag\n");
13928 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
13930 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
13931 if (appData.autoCallFlag) {
13932 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
13945 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
13946 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
13949 * add time to clocks when time control is achieved ([HGM] now also used for increment)
13951 if ( !WhiteOnMove(forwardMostMove) )
13952 /* White made time control */
13953 whiteTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
13954 /* [HGM] time odds: correct new time quota for time odds! */
13955 / WhitePlayer()->timeOdds;
13957 /* Black made time control */
13958 blackTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
13959 / WhitePlayer()->other->timeOdds;
13963 DisplayBothClocks()
13965 int wom = gameMode == EditPosition ?
13966 !blackPlaysFirst : WhiteOnMove(currentMove);
13967 DisplayWhiteClock(whiteTimeRemaining, wom);
13968 DisplayBlackClock(blackTimeRemaining, !wom);
13972 /* Timekeeping seems to be a portability nightmare. I think everyone
13973 has ftime(), but I'm really not sure, so I'm including some ifdefs
13974 to use other calls if you don't. Clocks will be less accurate if
13975 you have neither ftime nor gettimeofday.
13978 /* VS 2008 requires the #include outside of the function */
13979 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
13980 #include <sys/timeb.h>
13983 /* Get the current time as a TimeMark */
13988 #if HAVE_GETTIMEOFDAY
13990 struct timeval timeVal;
13991 struct timezone timeZone;
13993 gettimeofday(&timeVal, &timeZone);
13994 tm->sec = (long) timeVal.tv_sec;
13995 tm->ms = (int) (timeVal.tv_usec / 1000L);
13997 #else /*!HAVE_GETTIMEOFDAY*/
14000 // include <sys/timeb.h> / moved to just above start of function
14001 struct timeb timeB;
14004 tm->sec = (long) timeB.time;
14005 tm->ms = (int) timeB.millitm;
14007 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
14008 tm->sec = (long) time(NULL);
14014 /* Return the difference in milliseconds between two
14015 time marks. We assume the difference will fit in a long!
14018 SubtractTimeMarks(tm2, tm1)
14019 TimeMark *tm2, *tm1;
14021 return 1000L*(tm2->sec - tm1->sec) +
14022 (long) (tm2->ms - tm1->ms);
14027 * Code to manage the game clocks.
14029 * In tournament play, black starts the clock and then white makes a move.
14030 * We give the human user a slight advantage if he is playing white---the
14031 * clocks don't run until he makes his first move, so it takes zero time.
14032 * Also, we don't account for network lag, so we could get out of sync
14033 * with GNU Chess's clock -- but then, referees are always right.
14036 static TimeMark tickStartTM;
14037 static long intendedTickLength;
14040 NextTickLength(timeRemaining)
14041 long timeRemaining;
14043 long nominalTickLength, nextTickLength;
14045 if (timeRemaining > 0L && timeRemaining <= 10000L)
14046 nominalTickLength = 100L;
14048 nominalTickLength = 1000L;
14049 nextTickLength = timeRemaining % nominalTickLength;
14050 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
14052 return nextTickLength;
14055 /* Adjust clock one minute up or down */
14057 AdjustClock(Boolean which, int dir)
14059 if(which) blackTimeRemaining += 60000*dir;
14060 else whiteTimeRemaining += 60000*dir;
14061 DisplayBothClocks();
14064 /* Stop clocks and reset to a fresh time control */
14068 (void) StopClockTimer();
14069 if (appData.icsActive) {
14070 whiteTimeRemaining = blackTimeRemaining = 0;
14071 } else if (searchTime) {
14072 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14073 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14074 } else { /* [HGM] correct new time quote for time odds */
14075 whiteTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->timeOdds;
14076 blackTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->other->timeOdds;
14078 if (whiteFlag || blackFlag) {
14080 whiteFlag = blackFlag = FALSE;
14082 DisplayBothClocks();
14085 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
14087 /* Decrement running clock by amount of time that has passed */
14091 long timeRemaining;
14092 long lastTickLength, fudge;
14095 if (!appData.clockMode) return;
14096 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
14100 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14102 /* Fudge if we woke up a little too soon */
14103 fudge = intendedTickLength - lastTickLength;
14104 if (fudge < 0 || fudge > FUDGE) fudge = 0;
14106 if (WhiteOnMove(forwardMostMove)) {
14107 if(whiteNPS >= 0) lastTickLength = 0;
14108 timeRemaining = whiteTimeRemaining -= lastTickLength;
14109 DisplayWhiteClock(whiteTimeRemaining - fudge,
14110 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14112 if(blackNPS >= 0) lastTickLength = 0;
14113 timeRemaining = blackTimeRemaining -= lastTickLength;
14114 DisplayBlackClock(blackTimeRemaining - fudge,
14115 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14118 if (CheckFlags()) return;
14121 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
14122 StartClockTimer(intendedTickLength);
14124 /* if the time remaining has fallen below the alarm threshold, sound the
14125 * alarm. if the alarm has sounded and (due to a takeback or time control
14126 * with increment) the time remaining has increased to a level above the
14127 * threshold, reset the alarm so it can sound again.
14130 if (appData.icsActive && appData.icsAlarm) {
14132 /* make sure we are dealing with the user's clock */
14133 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
14134 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
14137 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
14138 alarmSounded = FALSE;
14139 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
14141 alarmSounded = TRUE;
14147 /* A player has just moved, so stop the previously running
14148 clock and (if in clock mode) start the other one.
14149 We redisplay both clocks in case we're in ICS mode, because
14150 ICS gives us an update to both clocks after every move.
14151 Note that this routine is called *after* forwardMostMove
14152 is updated, so the last fractional tick must be subtracted
14153 from the color that is *not* on move now.
14158 long lastTickLength;
14160 int flagged = FALSE;
14164 if (StopClockTimer() && appData.clockMode) {
14165 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14166 if (WhiteOnMove(forwardMostMove)) {
14167 if(blackNPS >= 0) lastTickLength = 0;
14168 blackTimeRemaining -= lastTickLength;
14169 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14170 // if(pvInfoList[forwardMostMove-1].time == -1)
14171 pvInfoList[forwardMostMove-1].time = // use GUI time
14172 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
14174 if(whiteNPS >= 0) lastTickLength = 0;
14175 whiteTimeRemaining -= lastTickLength;
14176 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14177 // if(pvInfoList[forwardMostMove-1].time == -1)
14178 pvInfoList[forwardMostMove-1].time =
14179 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
14181 flagged = CheckFlags();
14183 CheckTimeControl();
14185 if (flagged || !appData.clockMode) return;
14187 switch (gameMode) {
14188 case MachinePlaysBlack:
14189 case MachinePlaysWhite:
14190 case BeginningOfGame:
14191 if (pausing) return;
14195 case PlayFromGameFile:
14203 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
14204 if(WhiteOnMove(forwardMostMove))
14205 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14206 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14210 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14211 whiteTimeRemaining : blackTimeRemaining);
14212 StartClockTimer(intendedTickLength);
14216 /* Stop both clocks */
14220 long lastTickLength;
14223 if (!StopClockTimer()) return;
14224 if (!appData.clockMode) return;
14228 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14229 if (WhiteOnMove(forwardMostMove)) {
14230 if(whiteNPS >= 0) lastTickLength = 0;
14231 whiteTimeRemaining -= lastTickLength;
14232 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
14234 if(blackNPS >= 0) lastTickLength = 0;
14235 blackTimeRemaining -= lastTickLength;
14236 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
14241 /* Start clock of player on move. Time may have been reset, so
14242 if clock is already running, stop and restart it. */
14246 (void) StopClockTimer(); /* in case it was running already */
14247 DisplayBothClocks();
14248 if (CheckFlags()) return;
14250 if (!appData.clockMode) return;
14251 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
14253 GetTimeMark(&tickStartTM);
14254 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14255 whiteTimeRemaining : blackTimeRemaining);
14257 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
14258 whiteNPS = blackNPS = -1;
14259 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
14260 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
14261 whiteNPS = first.nps;
14262 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
14263 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
14264 blackNPS = first.nps;
14265 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
14266 whiteNPS = second.nps;
14267 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
14268 blackNPS = second.nps;
14269 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
14271 StartClockTimer(intendedTickLength);
14278 long second, minute, hour, day;
14280 static char buf[32];
14282 if (ms > 0 && ms <= 9900) {
14283 /* convert milliseconds to tenths, rounding up */
14284 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
14286 sprintf(buf, " %03.1f ", tenths/10.0);
14290 /* convert milliseconds to seconds, rounding up */
14291 /* use floating point to avoid strangeness of integer division
14292 with negative dividends on many machines */
14293 second = (long) floor(((double) (ms + 999L)) / 1000.0);
14300 day = second / (60 * 60 * 24);
14301 second = second % (60 * 60 * 24);
14302 hour = second / (60 * 60);
14303 second = second % (60 * 60);
14304 minute = second / 60;
14305 second = second % 60;
14308 sprintf(buf, " %s%ld:%02ld:%02ld:%02ld ",
14309 sign, day, hour, minute, second);
14311 sprintf(buf, " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
14313 sprintf(buf, " %s%2ld:%02ld ", sign, minute, second);
14320 * This is necessary because some C libraries aren't ANSI C compliant yet.
14323 StrStr(string, match)
14324 char *string, *match;
14328 length = strlen(match);
14330 for (i = strlen(string) - length; i >= 0; i--, string++)
14331 if (!strncmp(match, string, length))
14338 StrCaseStr(string, match)
14339 char *string, *match;
14343 length = strlen(match);
14345 for (i = strlen(string) - length; i >= 0; i--, string++) {
14346 for (j = 0; j < length; j++) {
14347 if (ToLower(match[j]) != ToLower(string[j]))
14350 if (j == length) return string;
14364 c1 = ToLower(*s1++);
14365 c2 = ToLower(*s2++);
14366 if (c1 > c2) return 1;
14367 if (c1 < c2) return -1;
14368 if (c1 == NULLCHAR) return 0;
14377 return isupper(c) ? tolower(c) : c;
14385 return islower(c) ? toupper(c) : c;
14387 #endif /* !_amigados */
14395 if ((ret = (char *) malloc(strlen(s) + 1))) {
14402 StrSavePtr(s, savePtr)
14403 char *s, **savePtr;
14408 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
14409 strcpy(*savePtr, s);
14421 clock = time((time_t *)NULL);
14422 tm = localtime(&clock);
14423 sprintf(buf, "%04d.%02d.%02d",
14424 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
14425 return StrSave(buf);
14430 PositionToFEN(move, overrideCastling)
14432 char *overrideCastling;
14434 int i, j, fromX, fromY, toX, toY;
14441 whiteToPlay = (gameMode == EditPosition) ?
14442 !blackPlaysFirst : (move % 2 == 0);
14445 /* Piece placement data */
14446 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14448 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14449 if (boards[move][i][j] == EmptySquare) {
14451 } else { ChessSquare piece = boards[move][i][j];
14452 if (emptycount > 0) {
14453 if(emptycount<10) /* [HGM] can be >= 10 */
14454 *p++ = '0' + emptycount;
14455 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14458 if(PieceToChar(piece) == '+') {
14459 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
14461 piece = (ChessSquare)(DEMOTED piece);
14463 *p++ = PieceToChar(piece);
14465 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
14466 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
14471 if (emptycount > 0) {
14472 if(emptycount<10) /* [HGM] can be >= 10 */
14473 *p++ = '0' + emptycount;
14474 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14481 /* [HGM] print Crazyhouse or Shogi holdings */
14482 if( gameInfo.holdingsWidth ) {
14483 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
14485 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
14486 piece = boards[move][i][BOARD_WIDTH-1];
14487 if( piece != EmptySquare )
14488 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
14489 *p++ = PieceToChar(piece);
14491 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
14492 piece = boards[move][BOARD_HEIGHT-i-1][0];
14493 if( piece != EmptySquare )
14494 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
14495 *p++ = PieceToChar(piece);
14498 if( q == p ) *p++ = '-';
14504 *p++ = whiteToPlay ? 'w' : 'b';
14507 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
14508 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
14510 if(nrCastlingRights) {
14512 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
14513 /* [HGM] write directly from rights */
14514 if(boards[move][CASTLING][2] != NoRights &&
14515 boards[move][CASTLING][0] != NoRights )
14516 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
14517 if(boards[move][CASTLING][2] != NoRights &&
14518 boards[move][CASTLING][1] != NoRights )
14519 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
14520 if(boards[move][CASTLING][5] != NoRights &&
14521 boards[move][CASTLING][3] != NoRights )
14522 *p++ = boards[move][CASTLING][3] + AAA;
14523 if(boards[move][CASTLING][5] != NoRights &&
14524 boards[move][CASTLING][4] != NoRights )
14525 *p++ = boards[move][CASTLING][4] + AAA;
14528 /* [HGM] write true castling rights */
14529 if( nrCastlingRights == 6 ) {
14530 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
14531 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
14532 if(boards[move][CASTLING][1] == BOARD_LEFT &&
14533 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
14534 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
14535 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
14536 if(boards[move][CASTLING][4] == BOARD_LEFT &&
14537 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
14540 if (q == p) *p++ = '-'; /* No castling rights */
14544 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14545 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14546 /* En passant target square */
14547 if (move > backwardMostMove) {
14548 fromX = moveList[move - 1][0] - AAA;
14549 fromY = moveList[move - 1][1] - ONE;
14550 toX = moveList[move - 1][2] - AAA;
14551 toY = moveList[move - 1][3] - ONE;
14552 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
14553 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
14554 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
14556 /* 2-square pawn move just happened */
14558 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14562 } else if(move == backwardMostMove) {
14563 // [HGM] perhaps we should always do it like this, and forget the above?
14564 if((signed char)boards[move][EP_STATUS] >= 0) {
14565 *p++ = boards[move][EP_STATUS] + AAA;
14566 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14577 /* [HGM] find reversible plies */
14578 { int i = 0, j=move;
14580 if (appData.debugMode) { int k;
14581 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
14582 for(k=backwardMostMove; k<=forwardMostMove; k++)
14583 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
14587 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
14588 if( j == backwardMostMove ) i += initialRulePlies;
14589 sprintf(p, "%d ", i);
14590 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
14592 /* Fullmove number */
14593 sprintf(p, "%d", (move / 2) + 1);
14595 return StrSave(buf);
14599 ParseFEN(board, blackPlaysFirst, fen)
14601 int *blackPlaysFirst;
14611 /* [HGM] by default clear Crazyhouse holdings, if present */
14612 if(gameInfo.holdingsWidth) {
14613 for(i=0; i<BOARD_HEIGHT; i++) {
14614 board[i][0] = EmptySquare; /* black holdings */
14615 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
14616 board[i][1] = (ChessSquare) 0; /* black counts */
14617 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
14621 /* Piece placement data */
14622 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14625 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
14626 if (*p == '/') p++;
14627 emptycount = gameInfo.boardWidth - j;
14628 while (emptycount--)
14629 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14631 #if(BOARD_FILES >= 10)
14632 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
14633 p++; emptycount=10;
14634 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14635 while (emptycount--)
14636 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14638 } else if (isdigit(*p)) {
14639 emptycount = *p++ - '0';
14640 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
14641 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14642 while (emptycount--)
14643 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14644 } else if (*p == '+' || isalpha(*p)) {
14645 if (j >= gameInfo.boardWidth) return FALSE;
14647 piece = CharToPiece(*++p);
14648 if(piece == EmptySquare) return FALSE; /* unknown piece */
14649 piece = (ChessSquare) (PROMOTED piece ); p++;
14650 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
14651 } else piece = CharToPiece(*p++);
14653 if(piece==EmptySquare) return FALSE; /* unknown piece */
14654 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
14655 piece = (ChessSquare) (PROMOTED piece);
14656 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
14659 board[i][(j++)+gameInfo.holdingsWidth] = piece;
14665 while (*p == '/' || *p == ' ') p++;
14667 /* [HGM] look for Crazyhouse holdings here */
14668 while(*p==' ') p++;
14669 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
14671 if(*p == '-' ) *p++; /* empty holdings */ else {
14672 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
14673 /* if we would allow FEN reading to set board size, we would */
14674 /* have to add holdings and shift the board read so far here */
14675 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
14677 if((int) piece >= (int) BlackPawn ) {
14678 i = (int)piece - (int)BlackPawn;
14679 i = PieceToNumber((ChessSquare)i);
14680 if( i >= gameInfo.holdingsSize ) return FALSE;
14681 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
14682 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
14684 i = (int)piece - (int)WhitePawn;
14685 i = PieceToNumber((ChessSquare)i);
14686 if( i >= gameInfo.holdingsSize ) return FALSE;
14687 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
14688 board[i][BOARD_WIDTH-2]++; /* black holdings */
14692 if(*p == ']') *p++;
14695 while(*p == ' ') p++;
14700 *blackPlaysFirst = FALSE;
14703 *blackPlaysFirst = TRUE;
14709 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
14710 /* return the extra info in global variiables */
14712 /* set defaults in case FEN is incomplete */
14713 board[EP_STATUS] = EP_UNKNOWN;
14714 for(i=0; i<nrCastlingRights; i++ ) {
14715 board[CASTLING][i] =
14716 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
14717 } /* assume possible unless obviously impossible */
14718 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
14719 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
14720 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
14721 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
14722 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
14723 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
14724 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
14725 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
14728 while(*p==' ') p++;
14729 if(nrCastlingRights) {
14730 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
14731 /* castling indicator present, so default becomes no castlings */
14732 for(i=0; i<nrCastlingRights; i++ ) {
14733 board[CASTLING][i] = NoRights;
14736 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
14737 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
14738 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
14739 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
14740 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
14742 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
14743 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
14744 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
14746 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
14747 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
14748 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
14749 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
14750 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
14751 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
14754 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
14755 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
14756 board[CASTLING][2] = whiteKingFile;
14759 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
14760 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
14761 board[CASTLING][2] = whiteKingFile;
14764 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
14765 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
14766 board[CASTLING][5] = blackKingFile;
14769 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
14770 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
14771 board[CASTLING][5] = blackKingFile;
14774 default: /* FRC castlings */
14775 if(c >= 'a') { /* black rights */
14776 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
14777 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
14778 if(i == BOARD_RGHT) break;
14779 board[CASTLING][5] = i;
14781 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
14782 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
14784 board[CASTLING][3] = c;
14786 board[CASTLING][4] = c;
14787 } else { /* white rights */
14788 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
14789 if(board[0][i] == WhiteKing) break;
14790 if(i == BOARD_RGHT) break;
14791 board[CASTLING][2] = i;
14792 c -= AAA - 'a' + 'A';
14793 if(board[0][c] >= WhiteKing) break;
14795 board[CASTLING][0] = c;
14797 board[CASTLING][1] = c;
14801 for(i=0; i<nrCastlingRights; i++)
14802 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
14803 if (appData.debugMode) {
14804 fprintf(debugFP, "FEN castling rights:");
14805 for(i=0; i<nrCastlingRights; i++)
14806 fprintf(debugFP, " %d", board[CASTLING][i]);
14807 fprintf(debugFP, "\n");
14810 while(*p==' ') p++;
14813 /* read e.p. field in games that know e.p. capture */
14814 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14815 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14817 p++; board[EP_STATUS] = EP_NONE;
14819 char c = *p++ - AAA;
14821 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
14822 if(*p >= '0' && *p <='9') *p++;
14823 board[EP_STATUS] = c;
14828 if(sscanf(p, "%d", &i) == 1) {
14829 FENrulePlies = i; /* 50-move ply counter */
14830 /* (The move number is still ignored) */
14837 EditPositionPasteFEN(char *fen)
14840 Board initial_position;
14842 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
14843 DisplayError(_("Bad FEN position in clipboard"), 0);
14846 int savedBlackPlaysFirst = blackPlaysFirst;
14847 EditPositionEvent();
14848 blackPlaysFirst = savedBlackPlaysFirst;
14849 CopyBoard(boards[0], initial_position);
14850 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
14851 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
14852 DisplayBothClocks();
14853 DrawPosition(FALSE, boards[currentMove]);
14858 static char cseq[12] = "\\ ";
14860 Boolean set_cont_sequence(char *new_seq)
14865 // handle bad attempts to set the sequence
14867 return 0; // acceptable error - no debug
14869 len = strlen(new_seq);
14870 ret = (len > 0) && (len < sizeof(cseq));
14872 strcpy(cseq, new_seq);
14873 else if (appData.debugMode)
14874 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
14879 reformat a source message so words don't cross the width boundary. internal
14880 newlines are not removed. returns the wrapped size (no null character unless
14881 included in source message). If dest is NULL, only calculate the size required
14882 for the dest buffer. lp argument indicats line position upon entry, and it's
14883 passed back upon exit.
14885 int wrap(char *dest, char *src, int count, int width, int *lp)
14887 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
14889 cseq_len = strlen(cseq);
14890 old_line = line = *lp;
14891 ansi = len = clen = 0;
14893 for (i=0; i < count; i++)
14895 if (src[i] == '\033')
14898 // if we hit the width, back up
14899 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
14901 // store i & len in case the word is too long
14902 old_i = i, old_len = len;
14904 // find the end of the last word
14905 while (i && src[i] != ' ' && src[i] != '\n')
14911 // word too long? restore i & len before splitting it
14912 if ((old_i-i+clen) >= width)
14919 if (i && src[i-1] == ' ')
14922 if (src[i] != ' ' && src[i] != '\n')
14929 // now append the newline and continuation sequence
14934 strncpy(dest+len, cseq, cseq_len);
14942 dest[len] = src[i];
14946 if (src[i] == '\n')
14951 if (dest && appData.debugMode)
14953 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
14954 count, width, line, len, *lp);
14955 show_bytes(debugFP, src, count);
14956 fprintf(debugFP, "\ndest: ");
14957 show_bytes(debugFP, dest, len);
14958 fprintf(debugFP, "\n");
14960 *lp = dest ? line : old_line;
14965 // [HGM] vari: routines for shelving variations
14968 PushTail(int firstMove, int lastMove)
14970 int i, j, nrMoves = lastMove - firstMove;
14972 if(appData.icsActive) { // only in local mode
14973 forwardMostMove = currentMove; // mimic old ICS behavior
14976 if(storedGames >= MAX_VARIATIONS-1) return;
14978 // push current tail of game on stack
14979 savedResult[storedGames] = gameInfo.result;
14980 savedDetails[storedGames] = gameInfo.resultDetails;
14981 gameInfo.resultDetails = NULL;
14982 savedFirst[storedGames] = firstMove;
14983 savedLast [storedGames] = lastMove;
14984 savedFramePtr[storedGames] = framePtr;
14985 framePtr -= nrMoves; // reserve space for the boards
14986 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
14987 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
14988 for(j=0; j<MOVE_LEN; j++)
14989 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
14990 for(j=0; j<2*MOVE_LEN; j++)
14991 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
14992 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
14993 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
14994 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
14995 pvInfoList[firstMove+i-1].depth = 0;
14996 commentList[framePtr+i] = commentList[firstMove+i];
14997 commentList[firstMove+i] = NULL;
15001 forwardMostMove = currentMove; // truncte game so we can start variation
15002 if(storedGames == 1) GreyRevert(FALSE);
15006 PopTail(Boolean annotate)
15009 char buf[8000], moveBuf[20];
15011 if(appData.icsActive) return FALSE; // only in local mode
15012 if(!storedGames) return FALSE; // sanity
15015 ToNrEvent(savedFirst[storedGames]); // sets currentMove
15016 nrMoves = savedLast[storedGames] - currentMove;
15019 if(!WhiteOnMove(currentMove)) sprintf(buf, "(%d...", currentMove+2>>1);
15020 else strcpy(buf, "(");
15021 for(i=currentMove; i<forwardMostMove; i++) {
15023 sprintf(moveBuf, " %d. %s", i+2>>1, SavePart(parseList[i]));
15024 else sprintf(moveBuf, " %s", SavePart(parseList[i]));
15025 strcat(buf, moveBuf);
15026 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
15030 for(i=1; i<nrMoves; i++) { // copy last variation back
15031 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
15032 for(j=0; j<MOVE_LEN; j++)
15033 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
15034 for(j=0; j<2*MOVE_LEN; j++)
15035 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
15036 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
15037 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
15038 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
15039 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
15040 commentList[currentMove+i] = commentList[framePtr+i];
15041 commentList[framePtr+i] = NULL;
15043 if(annotate) AppendComment(currentMove+1, buf, FALSE);
15044 framePtr = savedFramePtr[storedGames];
15045 gameInfo.result = savedResult[storedGames];
15046 if(gameInfo.resultDetails != NULL) {
15047 free(gameInfo.resultDetails);
15049 gameInfo.resultDetails = savedDetails[storedGames];
15050 forwardMostMove = currentMove + nrMoves;
15051 if(storedGames == 0) GreyRevert(TRUE);
15057 { // remove all shelved variations
15059 for(i=0; i<storedGames; i++) {
15060 if(savedDetails[i])
15061 free(savedDetails[i]);
15062 savedDetails[i] = NULL;
15064 for(i=framePtr; i<MAX_MOVES; i++) {
15065 if(commentList[i]) free(commentList[i]);
15066 commentList[i] = NULL;
15068 framePtr = MAX_MOVES-1;