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 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
171 void EditPositionDone P((Boolean fakeRights));
172 void PrintOpponents P((FILE *fp));
173 void PrintPosition P((FILE *fp, int move));
174 void StartChessProgram P((ChessProgramState *cps));
175 void SendToProgram P((char *message, ChessProgramState *cps));
176 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
177 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
178 char *buf, int count, int error));
179 void SendTimeControl P((ChessProgramState *cps,
180 int mps, long tc, int inc, int sd, int st));
181 char *TimeControlTagValue P((void));
182 void Attention P((ChessProgramState *cps));
183 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
184 void ResurrectChessProgram P((void));
185 void DisplayComment P((int moveNumber, char *text));
186 void DisplayMove P((int moveNumber));
188 void ParseGameHistory P((char *game));
189 void ParseBoard12 P((char *string));
190 void StartClocks P((void));
191 void SwitchClocks P((void));
192 void StopClocks P((void));
193 void ResetClocks P((void));
194 char *PGNDate P((void));
195 void SetGameInfo P((void));
196 Boolean ParseFEN P((Board board, int *blackPlaysFirst, char *fen));
197 int RegisterMove P((void));
198 void MakeRegisteredMove P((void));
199 void TruncateGame P((void));
200 int looking_at P((char *, int *, char *));
201 void CopyPlayerNameIntoFileName P((char **, char *));
202 char *SavePart P((char *));
203 int SaveGameOldStyle P((FILE *));
204 int SaveGamePGN P((FILE *));
205 void GetTimeMark P((TimeMark *));
206 long SubtractTimeMarks P((TimeMark *, TimeMark *));
207 int CheckFlags P((void));
208 long NextTickLength P((long));
209 void CheckTimeControl P((void));
210 void show_bytes P((FILE *, char *, int));
211 int string_to_rating P((char *str));
212 void ParseFeatures P((char* args, ChessProgramState *cps));
213 void InitBackEnd3 P((void));
214 void FeatureDone P((ChessProgramState* cps, int val));
215 void InitChessProgram P((ChessProgramState *cps, int setup));
216 void OutputKibitz(int window, char *text);
217 int PerpetualChase(int first, int last);
218 int EngineOutputIsUp();
219 void InitDrawingSizes(int x, int y);
222 extern void ConsoleCreate();
225 ChessProgramState *WhitePlayer();
226 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
227 int VerifyDisplayMode P(());
229 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
230 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
231 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
232 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
233 void ics_update_width P((int new_width));
234 extern char installDir[MSG_SIZ];
236 extern int tinyLayout, smallLayout;
237 ChessProgramStats programStats;
238 static int exiting = 0; /* [HGM] moved to top */
239 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
240 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
241 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
242 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
243 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
244 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
245 int opponentKibitzes;
246 int lastSavedGame; /* [HGM] save: ID of game */
247 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
248 extern int chatCount;
251 /* States for ics_getting_history */
253 #define H_REQUESTED 1
254 #define H_GOT_REQ_HEADER 2
255 #define H_GOT_UNREQ_HEADER 3
256 #define H_GETTING_MOVES 4
257 #define H_GOT_UNWANTED_HEADER 5
259 /* whosays values for GameEnds */
268 /* Maximum number of games in a cmail message */
269 #define CMAIL_MAX_GAMES 20
271 /* Different types of move when calling RegisterMove */
273 #define CMAIL_RESIGN 1
275 #define CMAIL_ACCEPT 3
277 /* Different types of result to remember for each game */
278 #define CMAIL_NOT_RESULT 0
279 #define CMAIL_OLD_RESULT 1
280 #define CMAIL_NEW_RESULT 2
282 /* Telnet protocol constants */
293 static char * safeStrCpy( char * dst, const char * src, size_t count )
295 assert( dst != NULL );
296 assert( src != NULL );
299 strncpy( dst, src, count );
300 dst[ count-1 ] = '\0';
304 /* Some compiler can't cast u64 to double
305 * This function do the job for us:
307 * We use the highest bit for cast, this only
308 * works if the highest bit is not
309 * in use (This should not happen)
311 * We used this for all compiler
314 u64ToDouble(u64 value)
317 u64 tmp = value & u64Const(0x7fffffffffffffff);
318 r = (double)(s64)tmp;
319 if (value & u64Const(0x8000000000000000))
320 r += 9.2233720368547758080e18; /* 2^63 */
324 /* Fake up flags for now, as we aren't keeping track of castling
325 availability yet. [HGM] Change of logic: the flag now only
326 indicates the type of castlings allowed by the rule of the game.
327 The actual rights themselves are maintained in the array
328 castlingRights, as part of the game history, and are not probed
334 int flags = F_ALL_CASTLE_OK;
335 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
336 switch (gameInfo.variant) {
338 flags &= ~F_ALL_CASTLE_OK;
339 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
340 flags |= F_IGNORE_CHECK;
342 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
345 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
347 case VariantKriegspiel:
348 flags |= F_KRIEGSPIEL_CAPTURE;
350 case VariantCapaRandom:
351 case VariantFischeRandom:
352 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
353 case VariantNoCastle:
354 case VariantShatranj:
356 flags &= ~F_ALL_CASTLE_OK;
364 FILE *gameFileFP, *debugFP;
367 [AS] Note: sometimes, the sscanf() function is used to parse the input
368 into a fixed-size buffer. Because of this, we must be prepared to
369 receive strings as long as the size of the input buffer, which is currently
370 set to 4K for Windows and 8K for the rest.
371 So, we must either allocate sufficiently large buffers here, or
372 reduce the size of the input buffer in the input reading part.
375 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
376 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
377 char thinkOutput1[MSG_SIZ*10];
379 ChessProgramState first, second;
381 /* premove variables */
384 int premoveFromX = 0;
385 int premoveFromY = 0;
386 int premovePromoChar = 0;
388 Boolean alarmSounded;
389 /* end premove variables */
391 char *ics_prefix = "$";
392 int ics_type = ICS_GENERIC;
394 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
395 int pauseExamForwardMostMove = 0;
396 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
397 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
398 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
399 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
400 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
401 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
402 int whiteFlag = FALSE, blackFlag = FALSE;
403 int userOfferedDraw = FALSE;
404 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
405 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
406 int cmailMoveType[CMAIL_MAX_GAMES];
407 long ics_clock_paused = 0;
408 ProcRef icsPR = NoProc, cmailPR = NoProc;
409 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
410 GameMode gameMode = BeginningOfGame;
411 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
412 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
413 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
414 int hiddenThinkOutputState = 0; /* [AS] */
415 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
416 int adjudicateLossPlies = 6;
417 char white_holding[64], black_holding[64];
418 TimeMark lastNodeCountTime;
419 long lastNodeCount=0;
420 int have_sent_ICS_logon = 0;
422 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement;
423 long timeControl_2; /* [AS] Allow separate time controls */
424 char *fullTimeControlString = NULL; /* [HGM] secondary TC: merge of MPS, TC and inc */
425 long timeRemaining[2][MAX_MOVES];
427 TimeMark programStartTime;
428 char ics_handle[MSG_SIZ];
429 int have_set_title = 0;
431 /* animateTraining preserves the state of appData.animate
432 * when Training mode is activated. This allows the
433 * response to be animated when appData.animate == TRUE and
434 * appData.animateDragging == TRUE.
436 Boolean animateTraining;
442 Board boards[MAX_MOVES];
443 /* [HGM] Following 7 needed for accurate legality tests: */
444 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
445 signed char initialRights[BOARD_FILES];
446 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
447 int initialRulePlies, FENrulePlies;
448 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
451 int mute; // mute all sounds
453 // [HGM] vari: next 12 to save and restore variations
454 #define MAX_VARIATIONS 10
455 int framePtr = MAX_MOVES-1; // points to free stack entry
457 int savedFirst[MAX_VARIATIONS];
458 int savedLast[MAX_VARIATIONS];
459 int savedFramePtr[MAX_VARIATIONS];
460 char *savedDetails[MAX_VARIATIONS];
461 ChessMove savedResult[MAX_VARIATIONS];
463 void PushTail P((int firstMove, int lastMove));
464 Boolean PopTail P((Boolean annotate));
465 void CleanupTail P((void));
467 ChessSquare FIDEArray[2][BOARD_FILES] = {
468 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
469 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
470 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
471 BlackKing, BlackBishop, BlackKnight, BlackRook }
474 ChessSquare twoKingsArray[2][BOARD_FILES] = {
475 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
476 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
477 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
478 BlackKing, BlackKing, BlackKnight, BlackRook }
481 ChessSquare KnightmateArray[2][BOARD_FILES] = {
482 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
483 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
484 { BlackRook, BlackMan, BlackBishop, BlackQueen,
485 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
488 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
489 { WhiteCannon, WhiteNightrider, WhiteAlfil, WhiteQueen,
490 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
491 { BlackCannon, BlackNightrider, BlackAlfil, BlackQueen,
492 BlackKing, BlackBishop, BlackKnight, BlackRook }
495 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
496 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
497 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
498 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
499 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
503 #if (BOARD_FILES>=10)
504 ChessSquare ShogiArray[2][BOARD_FILES] = {
505 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
506 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
507 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
508 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
511 ChessSquare XiangqiArray[2][BOARD_FILES] = {
512 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
513 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
514 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
515 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
518 ChessSquare CapablancaArray[2][BOARD_FILES] = {
519 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
520 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
521 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
522 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
525 ChessSquare GreatArray[2][BOARD_FILES] = {
526 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
527 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
528 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
529 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
532 ChessSquare JanusArray[2][BOARD_FILES] = {
533 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
534 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
535 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
536 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
540 ChessSquare GothicArray[2][BOARD_FILES] = {
541 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
542 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
543 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
544 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
547 #define GothicArray CapablancaArray
551 ChessSquare FalconArray[2][BOARD_FILES] = {
552 { WhiteRook, WhiteKnight, WhiteBishop, WhiteLance, WhiteQueen,
553 WhiteKing, WhiteLance, WhiteBishop, WhiteKnight, WhiteRook },
554 { BlackRook, BlackKnight, BlackBishop, BlackLance, BlackQueen,
555 BlackKing, BlackLance, BlackBishop, BlackKnight, BlackRook }
558 #define FalconArray CapablancaArray
561 #else // !(BOARD_FILES>=10)
562 #define XiangqiPosition FIDEArray
563 #define CapablancaArray FIDEArray
564 #define GothicArray FIDEArray
565 #define GreatArray FIDEArray
566 #endif // !(BOARD_FILES>=10)
568 #if (BOARD_FILES>=12)
569 ChessSquare CourierArray[2][BOARD_FILES] = {
570 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
571 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
572 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
573 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
575 #else // !(BOARD_FILES>=12)
576 #define CourierArray CapablancaArray
577 #endif // !(BOARD_FILES>=12)
580 Board initialPosition;
583 /* Convert str to a rating. Checks for special cases of "----",
585 "++++", etc. Also strips ()'s */
587 string_to_rating(str)
590 while(*str && !isdigit(*str)) ++str;
592 return 0; /* One of the special "no rating" cases */
600 /* Init programStats */
601 programStats.movelist[0] = 0;
602 programStats.depth = 0;
603 programStats.nr_moves = 0;
604 programStats.moves_left = 0;
605 programStats.nodes = 0;
606 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
607 programStats.score = 0;
608 programStats.got_only_move = 0;
609 programStats.got_fail = 0;
610 programStats.line_is_book = 0;
616 int matched, min, sec;
618 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
620 GetTimeMark(&programStartTime);
621 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
624 programStats.ok_to_send = 1;
625 programStats.seen_stat = 0;
628 * Initialize game list
634 * Internet chess server status
636 if (appData.icsActive) {
637 appData.matchMode = FALSE;
638 appData.matchGames = 0;
640 appData.noChessProgram = !appData.zippyPlay;
642 appData.zippyPlay = FALSE;
643 appData.zippyTalk = FALSE;
644 appData.noChessProgram = TRUE;
646 if (*appData.icsHelper != NULLCHAR) {
647 appData.useTelnet = TRUE;
648 appData.telnetProgram = appData.icsHelper;
651 appData.zippyTalk = appData.zippyPlay = FALSE;
654 /* [AS] Initialize pv info list [HGM] and game state */
658 for( i=0; i<=framePtr; i++ ) {
659 pvInfoList[i].depth = -1;
660 boards[i][EP_STATUS] = EP_NONE;
661 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
666 * Parse timeControl resource
668 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
669 appData.movesPerSession)) {
671 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
672 DisplayFatalError(buf, 0, 2);
676 * Parse searchTime resource
678 if (*appData.searchTime != NULLCHAR) {
679 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
681 searchTime = min * 60;
682 } else if (matched == 2) {
683 searchTime = min * 60 + sec;
686 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
687 DisplayFatalError(buf, 0, 2);
691 /* [AS] Adjudication threshold */
692 adjudicateLossThreshold = appData.adjudicateLossThreshold;
694 first.which = "first";
695 second.which = "second";
696 first.maybeThinking = second.maybeThinking = FALSE;
697 first.pr = second.pr = NoProc;
698 first.isr = second.isr = NULL;
699 first.sendTime = second.sendTime = 2;
700 first.sendDrawOffers = 1;
701 if (appData.firstPlaysBlack) {
702 first.twoMachinesColor = "black\n";
703 second.twoMachinesColor = "white\n";
705 first.twoMachinesColor = "white\n";
706 second.twoMachinesColor = "black\n";
708 first.program = appData.firstChessProgram;
709 second.program = appData.secondChessProgram;
710 first.host = appData.firstHost;
711 second.host = appData.secondHost;
712 first.dir = appData.firstDirectory;
713 second.dir = appData.secondDirectory;
714 first.other = &second;
715 second.other = &first;
716 first.initString = appData.initString;
717 second.initString = appData.secondInitString;
718 first.computerString = appData.firstComputerString;
719 second.computerString = appData.secondComputerString;
720 first.useSigint = second.useSigint = TRUE;
721 first.useSigterm = second.useSigterm = TRUE;
722 first.reuse = appData.reuseFirst;
723 second.reuse = appData.reuseSecond;
724 first.nps = appData.firstNPS; // [HGM] nps: copy nodes per second
725 second.nps = appData.secondNPS;
726 first.useSetboard = second.useSetboard = FALSE;
727 first.useSAN = second.useSAN = FALSE;
728 first.usePing = second.usePing = FALSE;
729 first.lastPing = second.lastPing = 0;
730 first.lastPong = second.lastPong = 0;
731 first.usePlayother = second.usePlayother = FALSE;
732 first.useColors = second.useColors = TRUE;
733 first.useUsermove = second.useUsermove = FALSE;
734 first.sendICS = second.sendICS = FALSE;
735 first.sendName = second.sendName = appData.icsActive;
736 first.sdKludge = second.sdKludge = FALSE;
737 first.stKludge = second.stKludge = FALSE;
738 TidyProgramName(first.program, first.host, first.tidy);
739 TidyProgramName(second.program, second.host, second.tidy);
740 first.matchWins = second.matchWins = 0;
741 strcpy(first.variants, appData.variant);
742 strcpy(second.variants, appData.variant);
743 first.analysisSupport = second.analysisSupport = 2; /* detect */
744 first.analyzing = second.analyzing = FALSE;
745 first.initDone = second.initDone = FALSE;
747 /* New features added by Tord: */
748 first.useFEN960 = FALSE; second.useFEN960 = FALSE;
749 first.useOOCastle = TRUE; second.useOOCastle = TRUE;
750 /* End of new features added by Tord. */
751 first.fenOverride = appData.fenOverride1;
752 second.fenOverride = appData.fenOverride2;
754 /* [HGM] time odds: set factor for each machine */
755 first.timeOdds = appData.firstTimeOdds;
756 second.timeOdds = appData.secondTimeOdds;
758 if(appData.timeOddsMode) {
759 norm = first.timeOdds;
760 if(norm > second.timeOdds) norm = second.timeOdds;
762 first.timeOdds /= norm;
763 second.timeOdds /= norm;
766 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
767 first.accumulateTC = appData.firstAccumulateTC;
768 second.accumulateTC = appData.secondAccumulateTC;
769 first.maxNrOfSessions = second.maxNrOfSessions = 1;
772 first.debug = second.debug = FALSE;
773 first.supportsNPS = second.supportsNPS = UNKNOWN;
776 first.optionSettings = appData.firstOptions;
777 second.optionSettings = appData.secondOptions;
779 first.scoreIsAbsolute = appData.firstScoreIsAbsolute; /* [AS] */
780 second.scoreIsAbsolute = appData.secondScoreIsAbsolute; /* [AS] */
781 first.isUCI = appData.firstIsUCI; /* [AS] */
782 second.isUCI = appData.secondIsUCI; /* [AS] */
783 first.hasOwnBookUCI = appData.firstHasOwnBookUCI; /* [AS] */
784 second.hasOwnBookUCI = appData.secondHasOwnBookUCI; /* [AS] */
786 if (appData.firstProtocolVersion > PROTOVER ||
787 appData.firstProtocolVersion < 1) {
789 sprintf(buf, _("protocol version %d not supported"),
790 appData.firstProtocolVersion);
791 DisplayFatalError(buf, 0, 2);
793 first.protocolVersion = appData.firstProtocolVersion;
796 if (appData.secondProtocolVersion > PROTOVER ||
797 appData.secondProtocolVersion < 1) {
799 sprintf(buf, _("protocol version %d not supported"),
800 appData.secondProtocolVersion);
801 DisplayFatalError(buf, 0, 2);
803 second.protocolVersion = appData.secondProtocolVersion;
806 if (appData.icsActive) {
807 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
808 // } else if (*appData.searchTime != NULLCHAR || appData.noChessProgram) {
809 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
810 appData.clockMode = FALSE;
811 first.sendTime = second.sendTime = 0;
815 /* Override some settings from environment variables, for backward
816 compatibility. Unfortunately it's not feasible to have the env
817 vars just set defaults, at least in xboard. Ugh.
819 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
824 if (appData.noChessProgram) {
825 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
826 sprintf(programVersion, "%s", PACKAGE_STRING);
828 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
829 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
830 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
833 if (!appData.icsActive) {
835 /* Check for variants that are supported only in ICS mode,
836 or not at all. Some that are accepted here nevertheless
837 have bugs; see comments below.
839 VariantClass variant = StringToVariant(appData.variant);
841 case VariantBughouse: /* need four players and two boards */
842 case VariantKriegspiel: /* need to hide pieces and move details */
843 /* case VariantFischeRandom: (Fabien: moved below) */
844 sprintf(buf, _("Variant %s supported only in ICS mode"), appData.variant);
845 DisplayFatalError(buf, 0, 2);
849 case VariantLoadable:
859 sprintf(buf, _("Unknown variant name %s"), appData.variant);
860 DisplayFatalError(buf, 0, 2);
863 case VariantXiangqi: /* [HGM] repetition rules not implemented */
864 case VariantFairy: /* [HGM] TestLegality definitely off! */
865 case VariantGothic: /* [HGM] should work */
866 case VariantCapablanca: /* [HGM] should work */
867 case VariantCourier: /* [HGM] initial forced moves not implemented */
868 case VariantShogi: /* [HGM] drops not tested for legality */
869 case VariantKnightmate: /* [HGM] should work */
870 case VariantCylinder: /* [HGM] untested */
871 case VariantFalcon: /* [HGM] untested */
872 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
873 offboard interposition not understood */
874 case VariantNormal: /* definitely works! */
875 case VariantWildCastle: /* pieces not automatically shuffled */
876 case VariantNoCastle: /* pieces not automatically shuffled */
877 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
878 case VariantLosers: /* should work except for win condition,
879 and doesn't know captures are mandatory */
880 case VariantSuicide: /* should work except for win condition,
881 and doesn't know captures are mandatory */
882 case VariantGiveaway: /* should work except for win condition,
883 and doesn't know captures are mandatory */
884 case VariantTwoKings: /* should work */
885 case VariantAtomic: /* should work except for win condition */
886 case Variant3Check: /* should work except for win condition */
887 case VariantShatranj: /* should work except for all win conditions */
888 case VariantBerolina: /* might work if TestLegality is off */
889 case VariantCapaRandom: /* should work */
890 case VariantJanus: /* should work */
891 case VariantSuper: /* experimental */
892 case VariantGreat: /* experimental, requires legality testing to be off */
897 InitEngineUCI( installDir, &first ); // [HGM] moved here from winboard.c, to make available in xboard
898 InitEngineUCI( installDir, &second );
901 int NextIntegerFromString( char ** str, long * value )
906 while( *s == ' ' || *s == '\t' ) {
912 if( *s >= '0' && *s <= '9' ) {
913 while( *s >= '0' && *s <= '9' ) {
914 *value = *value * 10 + (*s - '0');
926 int NextTimeControlFromString( char ** str, long * value )
929 int result = NextIntegerFromString( str, &temp );
932 *value = temp * 60; /* Minutes */
935 result = NextIntegerFromString( str, &temp );
936 *value += temp; /* Seconds */
943 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc)
944 { /* [HGM] routine added to read '+moves/time' for secondary time control */
945 int result = -1; long temp, temp2;
947 if(**str != '+') return -1; // old params remain in force!
949 if( NextTimeControlFromString( str, &temp ) ) return -1;
952 /* time only: incremental or sudden-death time control */
953 if(**str == '+') { /* increment follows; read it */
955 if(result = NextIntegerFromString( str, &temp2)) return -1;
958 *moves = 0; *tc = temp * 1000;
960 } else if(temp % 60 != 0) return -1; /* moves was given as min:sec */
962 (*str)++; /* classical time control */
963 result = NextTimeControlFromString( str, &temp2);
972 int GetTimeQuota(int movenr)
973 { /* [HGM] get time to add from the multi-session time-control string */
974 int moves=1; /* kludge to force reading of first session */
975 long time, increment;
976 char *s = fullTimeControlString;
978 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", fullTimeControlString);
980 if(moves) NextSessionFromString(&s, &moves, &time, &increment);
981 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
982 if(movenr == -1) return time; /* last move before new session */
983 if(!moves) return increment; /* current session is incremental */
984 if(movenr >= 0) movenr -= moves; /* we already finished this session */
985 } while(movenr >= -1); /* try again for next session */
987 return 0; // no new time quota on this move
991 ParseTimeControl(tc, ti, mps)
1000 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1003 sprintf(buf, "+%d/%s+%d", mps, tc, ti);
1004 else sprintf(buf, "+%s+%d", tc, ti);
1007 sprintf(buf, "+%d/%s", mps, tc);
1008 else sprintf(buf, "+%s", tc);
1010 fullTimeControlString = StrSave(buf);
1012 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1017 /* Parse second time control */
1020 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1028 timeControl_2 = tc2 * 1000;
1038 timeControl = tc1 * 1000;
1041 timeIncrement = ti * 1000; /* convert to ms */
1042 movesPerSession = 0;
1045 movesPerSession = mps;
1053 if (appData.debugMode) {
1054 fprintf(debugFP, "%s\n", programVersion);
1057 set_cont_sequence(appData.wrapContSeq);
1058 if (appData.matchGames > 0) {
1059 appData.matchMode = TRUE;
1060 } else if (appData.matchMode) {
1061 appData.matchGames = 1;
1063 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1064 appData.matchGames = appData.sameColorGames;
1065 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1066 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1067 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1070 if (appData.noChessProgram || first.protocolVersion == 1) {
1073 /* kludge: allow timeout for initial "feature" commands */
1075 DisplayMessage("", _("Starting chess program"));
1076 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1081 InitBackEnd3 P((void))
1083 GameMode initialMode;
1087 InitChessProgram(&first, startedFromSetupPosition);
1090 if (appData.icsActive) {
1092 /* [DM] Make a console window if needed [HGM] merged ifs */
1097 if (*appData.icsCommPort != NULLCHAR) {
1098 sprintf(buf, _("Could not open comm port %s"),
1099 appData.icsCommPort);
1101 snprintf(buf, sizeof(buf), _("Could not connect to host %s, port %s"),
1102 appData.icsHost, appData.icsPort);
1104 DisplayFatalError(buf, err, 1);
1109 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1111 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1112 } else if (appData.noChessProgram) {
1118 if (*appData.cmailGameName != NULLCHAR) {
1120 OpenLoopback(&cmailPR);
1122 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1126 DisplayMessage("", "");
1127 if (StrCaseCmp(appData.initialMode, "") == 0) {
1128 initialMode = BeginningOfGame;
1129 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1130 initialMode = TwoMachinesPlay;
1131 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1132 initialMode = AnalyzeFile;
1133 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1134 initialMode = AnalyzeMode;
1135 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1136 initialMode = MachinePlaysWhite;
1137 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1138 initialMode = MachinePlaysBlack;
1139 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1140 initialMode = EditGame;
1141 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1142 initialMode = EditPosition;
1143 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1144 initialMode = Training;
1146 sprintf(buf, _("Unknown initialMode %s"), appData.initialMode);
1147 DisplayFatalError(buf, 0, 2);
1151 if (appData.matchMode) {
1152 /* Set up machine vs. machine match */
1153 if (appData.noChessProgram) {
1154 DisplayFatalError(_("Can't have a match with no chess programs"),
1160 if (*appData.loadGameFile != NULLCHAR) {
1161 int index = appData.loadGameIndex; // [HGM] autoinc
1162 if(index<0) lastIndex = index = 1;
1163 if (!LoadGameFromFile(appData.loadGameFile,
1165 appData.loadGameFile, FALSE)) {
1166 DisplayFatalError(_("Bad game file"), 0, 1);
1169 } else if (*appData.loadPositionFile != NULLCHAR) {
1170 int index = appData.loadPositionIndex; // [HGM] autoinc
1171 if(index<0) lastIndex = index = 1;
1172 if (!LoadPositionFromFile(appData.loadPositionFile,
1174 appData.loadPositionFile)) {
1175 DisplayFatalError(_("Bad position file"), 0, 1);
1180 } else if (*appData.cmailGameName != NULLCHAR) {
1181 /* Set up cmail mode */
1182 ReloadCmailMsgEvent(TRUE);
1184 /* Set up other modes */
1185 if (initialMode == AnalyzeFile) {
1186 if (*appData.loadGameFile == NULLCHAR) {
1187 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1191 if (*appData.loadGameFile != NULLCHAR) {
1192 (void) LoadGameFromFile(appData.loadGameFile,
1193 appData.loadGameIndex,
1194 appData.loadGameFile, TRUE);
1195 } else if (*appData.loadPositionFile != NULLCHAR) {
1196 (void) LoadPositionFromFile(appData.loadPositionFile,
1197 appData.loadPositionIndex,
1198 appData.loadPositionFile);
1199 /* [HGM] try to make self-starting even after FEN load */
1200 /* to allow automatic setup of fairy variants with wtm */
1201 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1202 gameMode = BeginningOfGame;
1203 setboardSpoiledMachineBlack = 1;
1205 /* [HGM] loadPos: make that every new game uses the setup */
1206 /* from file as long as we do not switch variant */
1207 if(!blackPlaysFirst) {
1208 startedFromPositionFile = TRUE;
1209 CopyBoard(filePosition, boards[0]);
1212 if (initialMode == AnalyzeMode) {
1213 if (appData.noChessProgram) {
1214 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1217 if (appData.icsActive) {
1218 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1222 } else if (initialMode == AnalyzeFile) {
1223 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1224 ShowThinkingEvent();
1226 AnalysisPeriodicEvent(1);
1227 } else if (initialMode == MachinePlaysWhite) {
1228 if (appData.noChessProgram) {
1229 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1233 if (appData.icsActive) {
1234 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1238 MachineWhiteEvent();
1239 } else if (initialMode == MachinePlaysBlack) {
1240 if (appData.noChessProgram) {
1241 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1245 if (appData.icsActive) {
1246 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1250 MachineBlackEvent();
1251 } else if (initialMode == TwoMachinesPlay) {
1252 if (appData.noChessProgram) {
1253 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1257 if (appData.icsActive) {
1258 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1263 } else if (initialMode == EditGame) {
1265 } else if (initialMode == EditPosition) {
1266 EditPositionEvent();
1267 } else if (initialMode == Training) {
1268 if (*appData.loadGameFile == NULLCHAR) {
1269 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1278 * Establish will establish a contact to a remote host.port.
1279 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1280 * used to talk to the host.
1281 * Returns 0 if okay, error code if not.
1288 if (*appData.icsCommPort != NULLCHAR) {
1289 /* Talk to the host through a serial comm port */
1290 return OpenCommPort(appData.icsCommPort, &icsPR);
1292 } else if (*appData.gateway != NULLCHAR) {
1293 if (*appData.remoteShell == NULLCHAR) {
1294 /* Use the rcmd protocol to run telnet program on a gateway host */
1295 snprintf(buf, sizeof(buf), "%s %s %s",
1296 appData.telnetProgram, appData.icsHost, appData.icsPort);
1297 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1300 /* Use the rsh program to run telnet program on a gateway host */
1301 if (*appData.remoteUser == NULLCHAR) {
1302 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1303 appData.gateway, appData.telnetProgram,
1304 appData.icsHost, appData.icsPort);
1306 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1307 appData.remoteShell, appData.gateway,
1308 appData.remoteUser, appData.telnetProgram,
1309 appData.icsHost, appData.icsPort);
1311 return StartChildProcess(buf, "", &icsPR);
1314 } else if (appData.useTelnet) {
1315 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1318 /* TCP socket interface differs somewhat between
1319 Unix and NT; handle details in the front end.
1321 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1326 show_bytes(fp, buf, count)
1332 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1333 fprintf(fp, "\\%03o", *buf & 0xff);
1342 /* Returns an errno value */
1344 OutputMaybeTelnet(pr, message, count, outError)
1350 char buf[8192], *p, *q, *buflim;
1351 int left, newcount, outcount;
1353 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1354 *appData.gateway != NULLCHAR) {
1355 if (appData.debugMode) {
1356 fprintf(debugFP, ">ICS: ");
1357 show_bytes(debugFP, message, count);
1358 fprintf(debugFP, "\n");
1360 return OutputToProcess(pr, message, count, outError);
1363 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1370 if (appData.debugMode) {
1371 fprintf(debugFP, ">ICS: ");
1372 show_bytes(debugFP, buf, newcount);
1373 fprintf(debugFP, "\n");
1375 outcount = OutputToProcess(pr, buf, newcount, outError);
1376 if (outcount < newcount) return -1; /* to be sure */
1383 } else if (((unsigned char) *p) == TN_IAC) {
1384 *q++ = (char) TN_IAC;
1391 if (appData.debugMode) {
1392 fprintf(debugFP, ">ICS: ");
1393 show_bytes(debugFP, buf, newcount);
1394 fprintf(debugFP, "\n");
1396 outcount = OutputToProcess(pr, buf, newcount, outError);
1397 if (outcount < newcount) return -1; /* to be sure */
1402 read_from_player(isr, closure, message, count, error)
1409 int outError, outCount;
1410 static int gotEof = 0;
1412 /* Pass data read from player on to ICS */
1415 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1416 if (outCount < count) {
1417 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1419 } else if (count < 0) {
1420 RemoveInputSource(isr);
1421 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1422 } else if (gotEof++ > 0) {
1423 RemoveInputSource(isr);
1424 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1430 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1431 SendToICS("date\n");
1432 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1435 /* added routine for printf style output to ics */
1436 void ics_printf(char *format, ...)
1438 char buffer[MSG_SIZ];
1441 va_start(args, format);
1442 vsnprintf(buffer, sizeof(buffer), format, args);
1443 buffer[sizeof(buffer)-1] = '\0';
1452 int count, outCount, outError;
1454 if (icsPR == NULL) return;
1457 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1458 if (outCount < count) {
1459 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1463 /* This is used for sending logon scripts to the ICS. Sending
1464 without a delay causes problems when using timestamp on ICC
1465 (at least on my machine). */
1467 SendToICSDelayed(s,msdelay)
1471 int count, outCount, outError;
1473 if (icsPR == NULL) return;
1476 if (appData.debugMode) {
1477 fprintf(debugFP, ">ICS: ");
1478 show_bytes(debugFP, s, count);
1479 fprintf(debugFP, "\n");
1481 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1483 if (outCount < count) {
1484 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1489 /* Remove all highlighting escape sequences in s
1490 Also deletes any suffix starting with '('
1493 StripHighlightAndTitle(s)
1496 static char retbuf[MSG_SIZ];
1499 while (*s != NULLCHAR) {
1500 while (*s == '\033') {
1501 while (*s != NULLCHAR && !isalpha(*s)) s++;
1502 if (*s != NULLCHAR) s++;
1504 while (*s != NULLCHAR && *s != '\033') {
1505 if (*s == '(' || *s == '[') {
1516 /* Remove all highlighting escape sequences in s */
1521 static char retbuf[MSG_SIZ];
1524 while (*s != NULLCHAR) {
1525 while (*s == '\033') {
1526 while (*s != NULLCHAR && !isalpha(*s)) s++;
1527 if (*s != NULLCHAR) s++;
1529 while (*s != NULLCHAR && *s != '\033') {
1537 char *variantNames[] = VARIANT_NAMES;
1542 return variantNames[v];
1546 /* Identify a variant from the strings the chess servers use or the
1547 PGN Variant tag names we use. */
1554 VariantClass v = VariantNormal;
1555 int i, found = FALSE;
1560 /* [HGM] skip over optional board-size prefixes */
1561 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1562 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1563 while( *e++ != '_');
1566 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1570 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1571 if (StrCaseStr(e, variantNames[i])) {
1572 v = (VariantClass) i;
1579 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1580 || StrCaseStr(e, "wild/fr")
1581 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1582 v = VariantFischeRandom;
1583 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1584 (i = 1, p = StrCaseStr(e, "w"))) {
1586 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
1593 case 0: /* FICS only, actually */
1595 /* Castling legal even if K starts on d-file */
1596 v = VariantWildCastle;
1601 /* Castling illegal even if K & R happen to start in
1602 normal positions. */
1603 v = VariantNoCastle;
1616 /* Castling legal iff K & R start in normal positions */
1622 /* Special wilds for position setup; unclear what to do here */
1623 v = VariantLoadable;
1626 /* Bizarre ICC game */
1627 v = VariantTwoKings;
1630 v = VariantKriegspiel;
1636 v = VariantFischeRandom;
1639 v = VariantCrazyhouse;
1642 v = VariantBughouse;
1648 /* Not quite the same as FICS suicide! */
1649 v = VariantGiveaway;
1655 v = VariantShatranj;
1658 /* Temporary names for future ICC types. The name *will* change in
1659 the next xboard/WinBoard release after ICC defines it. */
1697 v = VariantCapablanca;
1700 v = VariantKnightmate;
1706 v = VariantCylinder;
1712 v = VariantCapaRandom;
1715 v = VariantBerolina;
1727 /* Found "wild" or "w" in the string but no number;
1728 must assume it's normal chess. */
1732 sprintf(buf, _("Unknown wild type %d"), wnum);
1733 DisplayError(buf, 0);
1739 if (appData.debugMode) {
1740 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
1741 e, wnum, VariantName(v));
1746 static int leftover_start = 0, leftover_len = 0;
1747 char star_match[STAR_MATCH_N][MSG_SIZ];
1749 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
1750 advance *index beyond it, and set leftover_start to the new value of
1751 *index; else return FALSE. If pattern contains the character '*', it
1752 matches any sequence of characters not containing '\r', '\n', or the
1753 character following the '*' (if any), and the matched sequence(s) are
1754 copied into star_match.
1757 looking_at(buf, index, pattern)
1762 char *bufp = &buf[*index], *patternp = pattern;
1764 char *matchp = star_match[0];
1767 if (*patternp == NULLCHAR) {
1768 *index = leftover_start = bufp - buf;
1772 if (*bufp == NULLCHAR) return FALSE;
1773 if (*patternp == '*') {
1774 if (*bufp == *(patternp + 1)) {
1776 matchp = star_match[++star_count];
1780 } else if (*bufp == '\n' || *bufp == '\r') {
1782 if (*patternp == NULLCHAR)
1787 *matchp++ = *bufp++;
1791 if (*patternp != *bufp) return FALSE;
1798 SendToPlayer(data, length)
1802 int error, outCount;
1803 outCount = OutputToProcess(NoProc, data, length, &error);
1804 if (outCount < length) {
1805 DisplayFatalError(_("Error writing to display"), error, 1);
1810 PackHolding(packed, holding)
1822 switch (runlength) {
1833 sprintf(q, "%d", runlength);
1845 /* Telnet protocol requests from the front end */
1847 TelnetRequest(ddww, option)
1848 unsigned char ddww, option;
1850 unsigned char msg[3];
1851 int outCount, outError;
1853 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
1855 if (appData.debugMode) {
1856 char buf1[8], buf2[8], *ddwwStr, *optionStr;
1872 sprintf(buf1, "%d", ddww);
1881 sprintf(buf2, "%d", option);
1884 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
1889 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
1891 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1898 if (!appData.icsActive) return;
1899 TelnetRequest(TN_DO, TN_ECHO);
1905 if (!appData.icsActive) return;
1906 TelnetRequest(TN_DONT, TN_ECHO);
1910 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
1912 /* put the holdings sent to us by the server on the board holdings area */
1913 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
1917 if(gameInfo.holdingsWidth < 2) return;
1918 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
1919 return; // prevent overwriting by pre-board holdings
1921 if( (int)lowestPiece >= BlackPawn ) {
1924 holdingsStartRow = BOARD_HEIGHT-1;
1927 holdingsColumn = BOARD_WIDTH-1;
1928 countsColumn = BOARD_WIDTH-2;
1929 holdingsStartRow = 0;
1933 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
1934 board[i][holdingsColumn] = EmptySquare;
1935 board[i][countsColumn] = (ChessSquare) 0;
1937 while( (p=*holdings++) != NULLCHAR ) {
1938 piece = CharToPiece( ToUpper(p) );
1939 if(piece == EmptySquare) continue;
1940 /*j = (int) piece - (int) WhitePawn;*/
1941 j = PieceToNumber(piece);
1942 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
1943 if(j < 0) continue; /* should not happen */
1944 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
1945 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
1946 board[holdingsStartRow+j*direction][countsColumn]++;
1952 VariantSwitch(Board board, VariantClass newVariant)
1954 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
1957 startedFromPositionFile = FALSE;
1958 if(gameInfo.variant == newVariant) return;
1960 /* [HGM] This routine is called each time an assignment is made to
1961 * gameInfo.variant during a game, to make sure the board sizes
1962 * are set to match the new variant. If that means adding or deleting
1963 * holdings, we shift the playing board accordingly
1964 * This kludge is needed because in ICS observe mode, we get boards
1965 * of an ongoing game without knowing the variant, and learn about the
1966 * latter only later. This can be because of the move list we requested,
1967 * in which case the game history is refilled from the beginning anyway,
1968 * but also when receiving holdings of a crazyhouse game. In the latter
1969 * case we want to add those holdings to the already received position.
1973 if (appData.debugMode) {
1974 fprintf(debugFP, "Switch board from %s to %s\n",
1975 VariantName(gameInfo.variant), VariantName(newVariant));
1976 setbuf(debugFP, NULL);
1978 shuffleOpenings = 0; /* [HGM] shuffle */
1979 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
1983 newWidth = 9; newHeight = 9;
1984 gameInfo.holdingsSize = 7;
1985 case VariantBughouse:
1986 case VariantCrazyhouse:
1987 newHoldingsWidth = 2; break;
1991 newHoldingsWidth = 2;
1992 gameInfo.holdingsSize = 8;
1995 case VariantCapablanca:
1996 case VariantCapaRandom:
1999 newHoldingsWidth = gameInfo.holdingsSize = 0;
2002 if(newWidth != gameInfo.boardWidth ||
2003 newHeight != gameInfo.boardHeight ||
2004 newHoldingsWidth != gameInfo.holdingsWidth ) {
2006 /* shift position to new playing area, if needed */
2007 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2008 for(i=0; i<BOARD_HEIGHT; i++)
2009 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2010 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2012 for(i=0; i<newHeight; i++) {
2013 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2014 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2016 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2017 for(i=0; i<BOARD_HEIGHT; i++)
2018 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2019 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2022 gameInfo.boardWidth = newWidth;
2023 gameInfo.boardHeight = newHeight;
2024 gameInfo.holdingsWidth = newHoldingsWidth;
2025 gameInfo.variant = newVariant;
2026 InitDrawingSizes(-2, 0);
2027 } else gameInfo.variant = newVariant;
2028 CopyBoard(oldBoard, board); // remember correctly formatted board
2029 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2030 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2033 static int loggedOn = FALSE;
2035 /*-- Game start info cache: --*/
2037 char gs_kind[MSG_SIZ];
2038 static char player1Name[128] = "";
2039 static char player2Name[128] = "";
2040 static char cont_seq[] = "\n\\ ";
2041 static int player1Rating = -1;
2042 static int player2Rating = -1;
2043 /*----------------------------*/
2045 ColorClass curColor = ColorNormal;
2046 int suppressKibitz = 0;
2049 read_from_ics(isr, closure, data, count, error)
2056 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2057 #define STARTED_NONE 0
2058 #define STARTED_MOVES 1
2059 #define STARTED_BOARD 2
2060 #define STARTED_OBSERVE 3
2061 #define STARTED_HOLDINGS 4
2062 #define STARTED_CHATTER 5
2063 #define STARTED_COMMENT 6
2064 #define STARTED_MOVES_NOHIDE 7
2066 static int started = STARTED_NONE;
2067 static char parse[20000];
2068 static int parse_pos = 0;
2069 static char buf[BUF_SIZE + 1];
2070 static int firstTime = TRUE, intfSet = FALSE;
2071 static ColorClass prevColor = ColorNormal;
2072 static int savingComment = FALSE;
2073 static int cmatch = 0; // continuation sequence match
2080 int backup; /* [DM] For zippy color lines */
2082 char talker[MSG_SIZ]; // [HGM] chat
2085 if (appData.debugMode) {
2087 fprintf(debugFP, "<ICS: ");
2088 show_bytes(debugFP, data, count);
2089 fprintf(debugFP, "\n");
2093 if (appData.debugMode) { int f = forwardMostMove;
2094 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2095 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2096 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2099 /* If last read ended with a partial line that we couldn't parse,
2100 prepend it to the new read and try again. */
2101 if (leftover_len > 0) {
2102 for (i=0; i<leftover_len; i++)
2103 buf[i] = buf[leftover_start + i];
2106 /* copy new characters into the buffer */
2107 bp = buf + leftover_len;
2108 buf_len=leftover_len;
2109 for (i=0; i<count; i++)
2112 if (data[i] == '\r')
2115 // join lines split by ICS?
2116 if (!appData.noJoin)
2119 Joining just consists of finding matches against the
2120 continuation sequence, and discarding that sequence
2121 if found instead of copying it. So, until a match
2122 fails, there's nothing to do since it might be the
2123 complete sequence, and thus, something we don't want
2126 if (data[i] == cont_seq[cmatch])
2129 if (cmatch == strlen(cont_seq))
2131 cmatch = 0; // complete match. just reset the counter
2134 it's possible for the ICS to not include the space
2135 at the end of the last word, making our [correct]
2136 join operation fuse two separate words. the server
2137 does this when the space occurs at the width setting.
2139 if (!buf_len || buf[buf_len-1] != ' ')
2150 match failed, so we have to copy what matched before
2151 falling through and copying this character. In reality,
2152 this will only ever be just the newline character, but
2153 it doesn't hurt to be precise.
2155 strncpy(bp, cont_seq, cmatch);
2167 buf[buf_len] = NULLCHAR;
2168 next_out = leftover_len;
2172 while (i < buf_len) {
2173 /* Deal with part of the TELNET option negotiation
2174 protocol. We refuse to do anything beyond the
2175 defaults, except that we allow the WILL ECHO option,
2176 which ICS uses to turn off password echoing when we are
2177 directly connected to it. We reject this option
2178 if localLineEditing mode is on (always on in xboard)
2179 and we are talking to port 23, which might be a real
2180 telnet server that will try to keep WILL ECHO on permanently.
2182 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2183 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2184 unsigned char option;
2186 switch ((unsigned char) buf[++i]) {
2188 if (appData.debugMode)
2189 fprintf(debugFP, "\n<WILL ");
2190 switch (option = (unsigned char) buf[++i]) {
2192 if (appData.debugMode)
2193 fprintf(debugFP, "ECHO ");
2194 /* Reply only if this is a change, according
2195 to the protocol rules. */
2196 if (remoteEchoOption) break;
2197 if (appData.localLineEditing &&
2198 atoi(appData.icsPort) == TN_PORT) {
2199 TelnetRequest(TN_DONT, TN_ECHO);
2202 TelnetRequest(TN_DO, TN_ECHO);
2203 remoteEchoOption = TRUE;
2207 if (appData.debugMode)
2208 fprintf(debugFP, "%d ", option);
2209 /* Whatever this is, we don't want it. */
2210 TelnetRequest(TN_DONT, option);
2215 if (appData.debugMode)
2216 fprintf(debugFP, "\n<WONT ");
2217 switch (option = (unsigned char) buf[++i]) {
2219 if (appData.debugMode)
2220 fprintf(debugFP, "ECHO ");
2221 /* Reply only if this is a change, according
2222 to the protocol rules. */
2223 if (!remoteEchoOption) break;
2225 TelnetRequest(TN_DONT, TN_ECHO);
2226 remoteEchoOption = FALSE;
2229 if (appData.debugMode)
2230 fprintf(debugFP, "%d ", (unsigned char) option);
2231 /* Whatever this is, it must already be turned
2232 off, because we never agree to turn on
2233 anything non-default, so according to the
2234 protocol rules, we don't reply. */
2239 if (appData.debugMode)
2240 fprintf(debugFP, "\n<DO ");
2241 switch (option = (unsigned char) buf[++i]) {
2243 /* Whatever this is, we refuse to do it. */
2244 if (appData.debugMode)
2245 fprintf(debugFP, "%d ", option);
2246 TelnetRequest(TN_WONT, option);
2251 if (appData.debugMode)
2252 fprintf(debugFP, "\n<DONT ");
2253 switch (option = (unsigned char) buf[++i]) {
2255 if (appData.debugMode)
2256 fprintf(debugFP, "%d ", option);
2257 /* Whatever this is, we are already not doing
2258 it, because we never agree to do anything
2259 non-default, so according to the protocol
2260 rules, we don't reply. */
2265 if (appData.debugMode)
2266 fprintf(debugFP, "\n<IAC ");
2267 /* Doubled IAC; pass it through */
2271 if (appData.debugMode)
2272 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2273 /* Drop all other telnet commands on the floor */
2276 if (oldi > next_out)
2277 SendToPlayer(&buf[next_out], oldi - next_out);
2283 /* OK, this at least will *usually* work */
2284 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2288 if (loggedOn && !intfSet) {
2289 if (ics_type == ICS_ICC) {
2291 "/set-quietly interface %s\n/set-quietly style 12\n",
2293 } else if (ics_type == ICS_CHESSNET) {
2294 sprintf(str, "/style 12\n");
2296 strcpy(str, "alias $ @\n$set interface ");
2297 strcat(str, programVersion);
2298 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2300 strcat(str, "$iset nohighlight 1\n");
2302 strcat(str, "$iset lock 1\n$style 12\n");
2305 NotifyFrontendLogin();
2309 if (started == STARTED_COMMENT) {
2310 /* Accumulate characters in comment */
2311 parse[parse_pos++] = buf[i];
2312 if (buf[i] == '\n') {
2313 parse[parse_pos] = NULLCHAR;
2314 if(chattingPartner>=0) {
2316 sprintf(mess, "%s%s", talker, parse);
2317 OutputChatMessage(chattingPartner, mess);
2318 chattingPartner = -1;
2320 if(!suppressKibitz) // [HGM] kibitz
2321 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2322 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2323 int nrDigit = 0, nrAlph = 0, i;
2324 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2325 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2326 parse[parse_pos] = NULLCHAR;
2327 // try to be smart: if it does not look like search info, it should go to
2328 // ICS interaction window after all, not to engine-output window.
2329 for(i=0; i<parse_pos; i++) { // count letters and digits
2330 nrDigit += (parse[i] >= '0' && parse[i] <= '9');
2331 nrAlph += (parse[i] >= 'a' && parse[i] <= 'z');
2332 nrAlph += (parse[i] >= 'A' && parse[i] <= 'Z');
2334 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2335 int depth=0; float score;
2336 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2337 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2338 pvInfoList[forwardMostMove-1].depth = depth;
2339 pvInfoList[forwardMostMove-1].score = 100*score;
2341 OutputKibitz(suppressKibitz, parse);
2344 sprintf(tmp, _("your opponent kibitzes: %s"), parse);
2345 SendToPlayer(tmp, strlen(tmp));
2348 started = STARTED_NONE;
2350 /* Don't match patterns against characters in chatter */
2355 if (started == STARTED_CHATTER) {
2356 if (buf[i] != '\n') {
2357 /* Don't match patterns against characters in chatter */
2361 started = STARTED_NONE;
2364 /* Kludge to deal with rcmd protocol */
2365 if (firstTime && looking_at(buf, &i, "\001*")) {
2366 DisplayFatalError(&buf[1], 0, 1);
2372 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2375 if (appData.debugMode)
2376 fprintf(debugFP, "ics_type %d\n", ics_type);
2379 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2380 ics_type = ICS_FICS;
2382 if (appData.debugMode)
2383 fprintf(debugFP, "ics_type %d\n", ics_type);
2386 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
2387 ics_type = ICS_CHESSNET;
2389 if (appData.debugMode)
2390 fprintf(debugFP, "ics_type %d\n", ics_type);
2395 (looking_at(buf, &i, "\"*\" is *a registered name") ||
2396 looking_at(buf, &i, "Logging you in as \"*\"") ||
2397 looking_at(buf, &i, "will be \"*\""))) {
2398 strcpy(ics_handle, star_match[0]);
2402 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
2404 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
2405 DisplayIcsInteractionTitle(buf);
2406 have_set_title = TRUE;
2409 /* skip finger notes */
2410 if (started == STARTED_NONE &&
2411 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
2412 (buf[i] == '1' && buf[i+1] == '0')) &&
2413 buf[i+2] == ':' && buf[i+3] == ' ') {
2414 started = STARTED_CHATTER;
2419 /* skip formula vars */
2420 if (started == STARTED_NONE &&
2421 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
2422 started = STARTED_CHATTER;
2428 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
2429 if (appData.autoKibitz && started == STARTED_NONE &&
2430 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
2431 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
2432 if(looking_at(buf, &i, "* kibitzes: ") &&
2433 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
2434 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
2435 suppressKibitz = TRUE;
2436 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
2437 && (gameMode == IcsPlayingWhite)) ||
2438 (StrStr(star_match[0], gameInfo.black) == star_match[0]
2439 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
2440 started = STARTED_CHATTER; // own kibitz we simply discard
2442 started = STARTED_COMMENT; // make sure it will be collected in parse[]
2443 parse_pos = 0; parse[0] = NULLCHAR;
2444 savingComment = TRUE;
2445 suppressKibitz = gameMode != IcsObserving ? 2 :
2446 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
2450 if(looking_at(buf, &i, "kibitzed to")) { // suppress the acknowledgements of our own autoKibitz
2451 started = STARTED_CHATTER;
2452 suppressKibitz = TRUE;
2454 } // [HGM] kibitz: end of patch
2456 //if(appData.debugMode) fprintf(debugFP, "hunt for tell, buf = %s\n", buf+i);
2458 // [HGM] chat: intercept tells by users for which we have an open chat window
2460 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
2461 looking_at(buf, &i, "* whispers:") ||
2462 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
2463 looking_at(buf, &i, "*(*)(*):") && sscanf(star_match[2], "%d", &channel) == 1 )) {
2465 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
2466 chattingPartner = -1;
2468 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
2469 for(p=0; p<MAX_CHAT; p++) {
2470 if(channel == atoi(chatPartner[p])) {
2471 talker[0] = '['; strcat(talker, "]");
2472 chattingPartner = p; break;
2475 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
2476 for(p=0; p<MAX_CHAT; p++) {
2477 if(!strcmp("WHISPER", chatPartner[p])) {
2478 talker[0] = '['; strcat(talker, "]");
2479 chattingPartner = p; break;
2482 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
2483 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
2485 chattingPartner = p; break;
2487 if(chattingPartner<0) i = oldi; else {
2488 started = STARTED_COMMENT;
2489 parse_pos = 0; parse[0] = NULLCHAR;
2490 savingComment = TRUE;
2491 suppressKibitz = TRUE;
2493 } // [HGM] chat: end of patch
2495 if (appData.zippyTalk || appData.zippyPlay) {
2496 /* [DM] Backup address for color zippy lines */
2500 if (loggedOn == TRUE)
2501 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
2502 (appData.zippyPlay && ZippyMatch(buf, &backup)));
2504 if (ZippyControl(buf, &i) ||
2505 ZippyConverse(buf, &i) ||
2506 (appData.zippyPlay && ZippyMatch(buf, &i))) {
2508 if (!appData.colorize) continue;
2512 } // [DM] 'else { ' deleted
2514 /* Regular tells and says */
2515 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
2516 looking_at(buf, &i, "* (your partner) tells you: ") ||
2517 looking_at(buf, &i, "* says: ") ||
2518 /* Don't color "message" or "messages" output */
2519 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
2520 looking_at(buf, &i, "*. * at *:*: ") ||
2521 looking_at(buf, &i, "--* (*:*): ") ||
2522 /* Message notifications (same color as tells) */
2523 looking_at(buf, &i, "* has left a message ") ||
2524 looking_at(buf, &i, "* just sent you a message:\n") ||
2525 /* Whispers and kibitzes */
2526 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
2527 looking_at(buf, &i, "* kibitzes: ") ||
2529 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
2531 if (tkind == 1 && strchr(star_match[0], ':')) {
2532 /* Avoid "tells you:" spoofs in channels */
2535 if (star_match[0][0] == NULLCHAR ||
2536 strchr(star_match[0], ' ') ||
2537 (tkind == 3 && strchr(star_match[1], ' '))) {
2538 /* Reject bogus matches */
2541 if (appData.colorize) {
2542 if (oldi > next_out) {
2543 SendToPlayer(&buf[next_out], oldi - next_out);
2548 Colorize(ColorTell, FALSE);
2549 curColor = ColorTell;
2552 Colorize(ColorKibitz, FALSE);
2553 curColor = ColorKibitz;
2556 p = strrchr(star_match[1], '(');
2563 Colorize(ColorChannel1, FALSE);
2564 curColor = ColorChannel1;
2566 Colorize(ColorChannel, FALSE);
2567 curColor = ColorChannel;
2571 curColor = ColorNormal;
2575 if (started == STARTED_NONE && appData.autoComment &&
2576 (gameMode == IcsObserving ||
2577 gameMode == IcsPlayingWhite ||
2578 gameMode == IcsPlayingBlack)) {
2579 parse_pos = i - oldi;
2580 memcpy(parse, &buf[oldi], parse_pos);
2581 parse[parse_pos] = NULLCHAR;
2582 started = STARTED_COMMENT;
2583 savingComment = TRUE;
2585 started = STARTED_CHATTER;
2586 savingComment = FALSE;
2593 if (looking_at(buf, &i, "* s-shouts: ") ||
2594 looking_at(buf, &i, "* c-shouts: ")) {
2595 if (appData.colorize) {
2596 if (oldi > next_out) {
2597 SendToPlayer(&buf[next_out], oldi - next_out);
2600 Colorize(ColorSShout, FALSE);
2601 curColor = ColorSShout;
2604 started = STARTED_CHATTER;
2608 if (looking_at(buf, &i, "--->")) {
2613 if (looking_at(buf, &i, "* shouts: ") ||
2614 looking_at(buf, &i, "--> ")) {
2615 if (appData.colorize) {
2616 if (oldi > next_out) {
2617 SendToPlayer(&buf[next_out], oldi - next_out);
2620 Colorize(ColorShout, FALSE);
2621 curColor = ColorShout;
2624 started = STARTED_CHATTER;
2628 if (looking_at( buf, &i, "Challenge:")) {
2629 if (appData.colorize) {
2630 if (oldi > next_out) {
2631 SendToPlayer(&buf[next_out], oldi - next_out);
2634 Colorize(ColorChallenge, FALSE);
2635 curColor = ColorChallenge;
2641 if (looking_at(buf, &i, "* offers you") ||
2642 looking_at(buf, &i, "* offers to be") ||
2643 looking_at(buf, &i, "* would like to") ||
2644 looking_at(buf, &i, "* requests to") ||
2645 looking_at(buf, &i, "Your opponent offers") ||
2646 looking_at(buf, &i, "Your opponent requests")) {
2648 if (appData.colorize) {
2649 if (oldi > next_out) {
2650 SendToPlayer(&buf[next_out], oldi - next_out);
2653 Colorize(ColorRequest, FALSE);
2654 curColor = ColorRequest;
2659 if (looking_at(buf, &i, "* (*) seeking")) {
2660 if (appData.colorize) {
2661 if (oldi > next_out) {
2662 SendToPlayer(&buf[next_out], oldi - next_out);
2665 Colorize(ColorSeek, FALSE);
2666 curColor = ColorSeek;
2671 if (looking_at(buf, &i, "\\ ")) {
2672 if (prevColor != ColorNormal) {
2673 if (oldi > next_out) {
2674 SendToPlayer(&buf[next_out], oldi - next_out);
2677 Colorize(prevColor, TRUE);
2678 curColor = prevColor;
2680 if (savingComment) {
2681 parse_pos = i - oldi;
2682 memcpy(parse, &buf[oldi], parse_pos);
2683 parse[parse_pos] = NULLCHAR;
2684 started = STARTED_COMMENT;
2686 started = STARTED_CHATTER;
2691 if (looking_at(buf, &i, "Black Strength :") ||
2692 looking_at(buf, &i, "<<< style 10 board >>>") ||
2693 looking_at(buf, &i, "<10>") ||
2694 looking_at(buf, &i, "#@#")) {
2695 /* Wrong board style */
2697 SendToICS(ics_prefix);
2698 SendToICS("set style 12\n");
2699 SendToICS(ics_prefix);
2700 SendToICS("refresh\n");
2704 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
2706 have_sent_ICS_logon = 1;
2710 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
2711 (looking_at(buf, &i, "\n<12> ") ||
2712 looking_at(buf, &i, "<12> "))) {
2714 if (oldi > next_out) {
2715 SendToPlayer(&buf[next_out], oldi - next_out);
2718 started = STARTED_BOARD;
2723 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
2724 looking_at(buf, &i, "<b1> ")) {
2725 if (oldi > next_out) {
2726 SendToPlayer(&buf[next_out], oldi - next_out);
2729 started = STARTED_HOLDINGS;
2734 if (looking_at(buf, &i, "* *vs. * *--- *")) {
2736 /* Header for a move list -- first line */
2738 switch (ics_getting_history) {
2742 case BeginningOfGame:
2743 /* User typed "moves" or "oldmoves" while we
2744 were idle. Pretend we asked for these
2745 moves and soak them up so user can step
2746 through them and/or save them.
2749 gameMode = IcsObserving;
2752 ics_getting_history = H_GOT_UNREQ_HEADER;
2754 case EditGame: /*?*/
2755 case EditPosition: /*?*/
2756 /* Should above feature work in these modes too? */
2757 /* For now it doesn't */
2758 ics_getting_history = H_GOT_UNWANTED_HEADER;
2761 ics_getting_history = H_GOT_UNWANTED_HEADER;
2766 /* Is this the right one? */
2767 if (gameInfo.white && gameInfo.black &&
2768 strcmp(gameInfo.white, star_match[0]) == 0 &&
2769 strcmp(gameInfo.black, star_match[2]) == 0) {
2771 ics_getting_history = H_GOT_REQ_HEADER;
2774 case H_GOT_REQ_HEADER:
2775 case H_GOT_UNREQ_HEADER:
2776 case H_GOT_UNWANTED_HEADER:
2777 case H_GETTING_MOVES:
2778 /* Should not happen */
2779 DisplayError(_("Error gathering move list: two headers"), 0);
2780 ics_getting_history = H_FALSE;
2784 /* Save player ratings into gameInfo if needed */
2785 if ((ics_getting_history == H_GOT_REQ_HEADER ||
2786 ics_getting_history == H_GOT_UNREQ_HEADER) &&
2787 (gameInfo.whiteRating == -1 ||
2788 gameInfo.blackRating == -1)) {
2790 gameInfo.whiteRating = string_to_rating(star_match[1]);
2791 gameInfo.blackRating = string_to_rating(star_match[3]);
2792 if (appData.debugMode)
2793 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
2794 gameInfo.whiteRating, gameInfo.blackRating);
2799 if (looking_at(buf, &i,
2800 "* * match, initial time: * minute*, increment: * second")) {
2801 /* Header for a move list -- second line */
2802 /* Initial board will follow if this is a wild game */
2803 if (gameInfo.event != NULL) free(gameInfo.event);
2804 sprintf(str, "ICS %s %s match", star_match[0], star_match[1]);
2805 gameInfo.event = StrSave(str);
2806 /* [HGM] we switched variant. Translate boards if needed. */
2807 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
2811 if (looking_at(buf, &i, "Move ")) {
2812 /* Beginning of a move list */
2813 switch (ics_getting_history) {
2815 /* Normally should not happen */
2816 /* Maybe user hit reset while we were parsing */
2819 /* Happens if we are ignoring a move list that is not
2820 * the one we just requested. Common if the user
2821 * tries to observe two games without turning off
2824 case H_GETTING_MOVES:
2825 /* Should not happen */
2826 DisplayError(_("Error gathering move list: nested"), 0);
2827 ics_getting_history = H_FALSE;
2829 case H_GOT_REQ_HEADER:
2830 ics_getting_history = H_GETTING_MOVES;
2831 started = STARTED_MOVES;
2833 if (oldi > next_out) {
2834 SendToPlayer(&buf[next_out], oldi - next_out);
2837 case H_GOT_UNREQ_HEADER:
2838 ics_getting_history = H_GETTING_MOVES;
2839 started = STARTED_MOVES_NOHIDE;
2842 case H_GOT_UNWANTED_HEADER:
2843 ics_getting_history = H_FALSE;
2849 if (looking_at(buf, &i, "% ") ||
2850 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
2851 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
2852 savingComment = FALSE;
2855 case STARTED_MOVES_NOHIDE:
2856 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
2857 parse[parse_pos + i - oldi] = NULLCHAR;
2858 ParseGameHistory(parse);
2860 if (appData.zippyPlay && first.initDone) {
2861 FeedMovesToProgram(&first, forwardMostMove);
2862 if (gameMode == IcsPlayingWhite) {
2863 if (WhiteOnMove(forwardMostMove)) {
2864 if (first.sendTime) {
2865 if (first.useColors) {
2866 SendToProgram("black\n", &first);
2868 SendTimeRemaining(&first, TRUE);
2870 if (first.useColors) {
2871 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
2873 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
2874 first.maybeThinking = TRUE;
2876 if (first.usePlayother) {
2877 if (first.sendTime) {
2878 SendTimeRemaining(&first, TRUE);
2880 SendToProgram("playother\n", &first);
2886 } else if (gameMode == IcsPlayingBlack) {
2887 if (!WhiteOnMove(forwardMostMove)) {
2888 if (first.sendTime) {
2889 if (first.useColors) {
2890 SendToProgram("white\n", &first);
2892 SendTimeRemaining(&first, FALSE);
2894 if (first.useColors) {
2895 SendToProgram("black\n", &first);
2897 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
2898 first.maybeThinking = TRUE;
2900 if (first.usePlayother) {
2901 if (first.sendTime) {
2902 SendTimeRemaining(&first, FALSE);
2904 SendToProgram("playother\n", &first);
2913 if (gameMode == IcsObserving && ics_gamenum == -1) {
2914 /* Moves came from oldmoves or moves command
2915 while we weren't doing anything else.
2917 currentMove = forwardMostMove;
2918 ClearHighlights();/*!!could figure this out*/
2919 flipView = appData.flipView;
2920 DrawPosition(TRUE, boards[currentMove]);
2921 DisplayBothClocks();
2922 sprintf(str, "%s vs. %s",
2923 gameInfo.white, gameInfo.black);
2927 /* Moves were history of an active game */
2928 if (gameInfo.resultDetails != NULL) {
2929 free(gameInfo.resultDetails);
2930 gameInfo.resultDetails = NULL;
2933 HistorySet(parseList, backwardMostMove,
2934 forwardMostMove, currentMove-1);
2935 DisplayMove(currentMove - 1);
2936 if (started == STARTED_MOVES) next_out = i;
2937 started = STARTED_NONE;
2938 ics_getting_history = H_FALSE;
2941 case STARTED_OBSERVE:
2942 started = STARTED_NONE;
2943 SendToICS(ics_prefix);
2944 SendToICS("refresh\n");
2950 if(bookHit) { // [HGM] book: simulate book reply
2951 static char bookMove[MSG_SIZ]; // a bit generous?
2953 programStats.nodes = programStats.depth = programStats.time =
2954 programStats.score = programStats.got_only_move = 0;
2955 sprintf(programStats.movelist, "%s (xbook)", bookHit);
2957 strcpy(bookMove, "move ");
2958 strcat(bookMove, bookHit);
2959 HandleMachineMove(bookMove, &first);
2964 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
2965 started == STARTED_HOLDINGS ||
2966 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
2967 /* Accumulate characters in move list or board */
2968 parse[parse_pos++] = buf[i];
2971 /* Start of game messages. Mostly we detect start of game
2972 when the first board image arrives. On some versions
2973 of the ICS, though, we need to do a "refresh" after starting
2974 to observe in order to get the current board right away. */
2975 if (looking_at(buf, &i, "Adding game * to observation list")) {
2976 started = STARTED_OBSERVE;
2980 /* Handle auto-observe */
2981 if (appData.autoObserve &&
2982 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
2983 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
2985 /* Choose the player that was highlighted, if any. */
2986 if (star_match[0][0] == '\033' ||
2987 star_match[1][0] != '\033') {
2988 player = star_match[0];
2990 player = star_match[2];
2992 sprintf(str, "%sobserve %s\n",
2993 ics_prefix, StripHighlightAndTitle(player));
2996 /* Save ratings from notify string */
2997 strcpy(player1Name, star_match[0]);
2998 player1Rating = string_to_rating(star_match[1]);
2999 strcpy(player2Name, star_match[2]);
3000 player2Rating = string_to_rating(star_match[3]);
3002 if (appData.debugMode)
3004 "Ratings from 'Game notification:' %s %d, %s %d\n",
3005 player1Name, player1Rating,
3006 player2Name, player2Rating);
3011 /* Deal with automatic examine mode after a game,
3012 and with IcsObserving -> IcsExamining transition */
3013 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3014 looking_at(buf, &i, "has made you an examiner of game *")) {
3016 int gamenum = atoi(star_match[0]);
3017 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3018 gamenum == ics_gamenum) {
3019 /* We were already playing or observing this game;
3020 no need to refetch history */
3021 gameMode = IcsExamining;
3023 pauseExamForwardMostMove = forwardMostMove;
3024 } else if (currentMove < forwardMostMove) {
3025 ForwardInner(forwardMostMove);
3028 /* I don't think this case really can happen */
3029 SendToICS(ics_prefix);
3030 SendToICS("refresh\n");
3035 /* Error messages */
3036 // if (ics_user_moved) {
3037 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3038 if (looking_at(buf, &i, "Illegal move") ||
3039 looking_at(buf, &i, "Not a legal move") ||
3040 looking_at(buf, &i, "Your king is in check") ||
3041 looking_at(buf, &i, "It isn't your turn") ||
3042 looking_at(buf, &i, "It is not your move")) {
3044 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3045 currentMove = --forwardMostMove;
3046 DisplayMove(currentMove - 1); /* before DMError */
3047 DrawPosition(FALSE, boards[currentMove]);
3049 DisplayBothClocks();
3051 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3057 if (looking_at(buf, &i, "still have time") ||
3058 looking_at(buf, &i, "not out of time") ||
3059 looking_at(buf, &i, "either player is out of time") ||
3060 looking_at(buf, &i, "has timeseal; checking")) {
3061 /* We must have called his flag a little too soon */
3062 whiteFlag = blackFlag = FALSE;
3066 if (looking_at(buf, &i, "added * seconds to") ||
3067 looking_at(buf, &i, "seconds were added to")) {
3068 /* Update the clocks */
3069 SendToICS(ics_prefix);
3070 SendToICS("refresh\n");
3074 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3075 ics_clock_paused = TRUE;
3080 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3081 ics_clock_paused = FALSE;
3086 /* Grab player ratings from the Creating: message.
3087 Note we have to check for the special case when
3088 the ICS inserts things like [white] or [black]. */
3089 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3090 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3092 0 player 1 name (not necessarily white)
3094 2 empty, white, or black (IGNORED)
3095 3 player 2 name (not necessarily black)
3098 The names/ratings are sorted out when the game
3099 actually starts (below).
3101 strcpy(player1Name, StripHighlightAndTitle(star_match[0]));
3102 player1Rating = string_to_rating(star_match[1]);
3103 strcpy(player2Name, StripHighlightAndTitle(star_match[3]));
3104 player2Rating = string_to_rating(star_match[4]);
3106 if (appData.debugMode)
3108 "Ratings from 'Creating:' %s %d, %s %d\n",
3109 player1Name, player1Rating,
3110 player2Name, player2Rating);
3115 /* Improved generic start/end-of-game messages */
3116 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3117 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3118 /* If tkind == 0: */
3119 /* star_match[0] is the game number */
3120 /* [1] is the white player's name */
3121 /* [2] is the black player's name */
3122 /* For end-of-game: */
3123 /* [3] is the reason for the game end */
3124 /* [4] is a PGN end game-token, preceded by " " */
3125 /* For start-of-game: */
3126 /* [3] begins with "Creating" or "Continuing" */
3127 /* [4] is " *" or empty (don't care). */
3128 int gamenum = atoi(star_match[0]);
3129 char *whitename, *blackname, *why, *endtoken;
3130 ChessMove endtype = (ChessMove) 0;
3133 whitename = star_match[1];
3134 blackname = star_match[2];
3135 why = star_match[3];
3136 endtoken = star_match[4];
3138 whitename = star_match[1];
3139 blackname = star_match[3];
3140 why = star_match[5];
3141 endtoken = star_match[6];
3144 /* Game start messages */
3145 if (strncmp(why, "Creating ", 9) == 0 ||
3146 strncmp(why, "Continuing ", 11) == 0) {
3147 gs_gamenum = gamenum;
3148 strcpy(gs_kind, strchr(why, ' ') + 1);
3150 if (appData.zippyPlay) {
3151 ZippyGameStart(whitename, blackname);
3157 /* Game end messages */
3158 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3159 ics_gamenum != gamenum) {
3162 while (endtoken[0] == ' ') endtoken++;
3163 switch (endtoken[0]) {
3166 endtype = GameUnfinished;
3169 endtype = BlackWins;
3172 if (endtoken[1] == '/')
3173 endtype = GameIsDrawn;
3175 endtype = WhiteWins;
3178 GameEnds(endtype, why, GE_ICS);
3180 if (appData.zippyPlay && first.initDone) {
3181 ZippyGameEnd(endtype, why);
3182 if (first.pr == NULL) {
3183 /* Start the next process early so that we'll
3184 be ready for the next challenge */
3185 StartChessProgram(&first);
3187 /* Send "new" early, in case this command takes
3188 a long time to finish, so that we'll be ready
3189 for the next challenge. */
3190 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3197 if (looking_at(buf, &i, "Removing game * from observation") ||
3198 looking_at(buf, &i, "no longer observing game *") ||
3199 looking_at(buf, &i, "Game * (*) has no examiners")) {
3200 if (gameMode == IcsObserving &&
3201 atoi(star_match[0]) == ics_gamenum)
3203 /* icsEngineAnalyze */
3204 if (appData.icsEngineAnalyze) {
3211 ics_user_moved = FALSE;
3216 if (looking_at(buf, &i, "no longer examining game *")) {
3217 if (gameMode == IcsExamining &&
3218 atoi(star_match[0]) == ics_gamenum)
3222 ics_user_moved = FALSE;
3227 /* Advance leftover_start past any newlines we find,
3228 so only partial lines can get reparsed */
3229 if (looking_at(buf, &i, "\n")) {
3230 prevColor = curColor;
3231 if (curColor != ColorNormal) {
3232 if (oldi > next_out) {
3233 SendToPlayer(&buf[next_out], oldi - next_out);
3236 Colorize(ColorNormal, FALSE);
3237 curColor = ColorNormal;
3239 if (started == STARTED_BOARD) {
3240 started = STARTED_NONE;
3241 parse[parse_pos] = NULLCHAR;
3242 ParseBoard12(parse);
3245 /* Send premove here */
3246 if (appData.premove) {
3248 if (currentMove == 0 &&
3249 gameMode == IcsPlayingWhite &&
3250 appData.premoveWhite) {
3251 sprintf(str, "%s\n", appData.premoveWhiteText);
3252 if (appData.debugMode)
3253 fprintf(debugFP, "Sending premove:\n");
3255 } else if (currentMove == 1 &&
3256 gameMode == IcsPlayingBlack &&
3257 appData.premoveBlack) {
3258 sprintf(str, "%s\n", appData.premoveBlackText);
3259 if (appData.debugMode)
3260 fprintf(debugFP, "Sending premove:\n");
3262 } else if (gotPremove) {
3264 ClearPremoveHighlights();
3265 if (appData.debugMode)
3266 fprintf(debugFP, "Sending premove:\n");
3267 UserMoveEvent(premoveFromX, premoveFromY,
3268 premoveToX, premoveToY,
3273 /* Usually suppress following prompt */
3274 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3275 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3276 if (looking_at(buf, &i, "*% ")) {
3277 savingComment = FALSE;
3281 } else if (started == STARTED_HOLDINGS) {
3283 char new_piece[MSG_SIZ];
3284 started = STARTED_NONE;
3285 parse[parse_pos] = NULLCHAR;
3286 if (appData.debugMode)
3287 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
3288 parse, currentMove);
3289 if (sscanf(parse, " game %d", &gamenum) == 1 &&
3290 gamenum == ics_gamenum) {
3291 if (gameInfo.variant == VariantNormal) {
3292 /* [HGM] We seem to switch variant during a game!
3293 * Presumably no holdings were displayed, so we have
3294 * to move the position two files to the right to
3295 * create room for them!
3297 VariantClass newVariant;
3298 switch(gameInfo.boardWidth) { // base guess on board width
3299 case 9: newVariant = VariantShogi; break;
3300 case 10: newVariant = VariantGreat; break;
3301 default: newVariant = VariantCrazyhouse; break;
3303 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3304 /* Get a move list just to see the header, which
3305 will tell us whether this is really bug or zh */
3306 if (ics_getting_history == H_FALSE) {
3307 ics_getting_history = H_REQUESTED;
3308 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3312 new_piece[0] = NULLCHAR;
3313 sscanf(parse, "game %d white [%s black [%s <- %s",
3314 &gamenum, white_holding, black_holding,
3316 white_holding[strlen(white_holding)-1] = NULLCHAR;
3317 black_holding[strlen(black_holding)-1] = NULLCHAR;
3318 /* [HGM] copy holdings to board holdings area */
3319 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
3320 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
3321 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
3323 if (appData.zippyPlay && first.initDone) {
3324 ZippyHoldings(white_holding, black_holding,
3328 if (tinyLayout || smallLayout) {
3329 char wh[16], bh[16];
3330 PackHolding(wh, white_holding);
3331 PackHolding(bh, black_holding);
3332 sprintf(str, "[%s-%s] %s-%s", wh, bh,
3333 gameInfo.white, gameInfo.black);
3335 sprintf(str, "%s [%s] vs. %s [%s]",
3336 gameInfo.white, white_holding,
3337 gameInfo.black, black_holding);
3340 DrawPosition(FALSE, boards[currentMove]);
3343 /* Suppress following prompt */
3344 if (looking_at(buf, &i, "*% ")) {
3345 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
3346 savingComment = FALSE;
3353 i++; /* skip unparsed character and loop back */
3356 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz suppress printing in ICS interaction window
3357 started != STARTED_HOLDINGS && i > next_out) {
3358 SendToPlayer(&buf[next_out], i - next_out);
3361 suppressKibitz = FALSE; // [HGM] kibitz: has done its duty in if-statement above
3363 leftover_len = buf_len - leftover_start;
3364 /* if buffer ends with something we couldn't parse,
3365 reparse it after appending the next read */
3367 } else if (count == 0) {
3368 RemoveInputSource(isr);
3369 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
3371 DisplayFatalError(_("Error reading from ICS"), error, 1);
3376 /* Board style 12 looks like this:
3378 <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
3380 * The "<12> " is stripped before it gets to this routine. The two
3381 * trailing 0's (flip state and clock ticking) are later addition, and
3382 * some chess servers may not have them, or may have only the first.
3383 * Additional trailing fields may be added in the future.
3386 #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"
3388 #define RELATION_OBSERVING_PLAYED 0
3389 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
3390 #define RELATION_PLAYING_MYMOVE 1
3391 #define RELATION_PLAYING_NOTMYMOVE -1
3392 #define RELATION_EXAMINING 2
3393 #define RELATION_ISOLATED_BOARD -3
3394 #define RELATION_STARTING_POSITION -4 /* FICS only */
3397 ParseBoard12(string)
3400 GameMode newGameMode;
3401 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
3402 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
3403 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
3404 char to_play, board_chars[200];
3405 char move_str[500], str[500], elapsed_time[500];
3406 char black[32], white[32];
3408 int prevMove = currentMove;
3411 int fromX, fromY, toX, toY;
3413 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
3414 char *bookHit = NULL; // [HGM] book
3415 Boolean weird = FALSE, reqFlag = FALSE;
3417 fromX = fromY = toX = toY = -1;
3421 if (appData.debugMode)
3422 fprintf(debugFP, _("Parsing board: %s\n"), string);
3424 move_str[0] = NULLCHAR;
3425 elapsed_time[0] = NULLCHAR;
3426 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
3428 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
3429 if(string[i] == ' ') { ranks++; files = 0; }
3431 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
3434 for(j = 0; j <i; j++) board_chars[j] = string[j];
3435 board_chars[i] = '\0';
3438 n = sscanf(string, PATTERN, &to_play, &double_push,
3439 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
3440 &gamenum, white, black, &relation, &basetime, &increment,
3441 &white_stren, &black_stren, &white_time, &black_time,
3442 &moveNum, str, elapsed_time, move_str, &ics_flip,
3446 snprintf(str, sizeof(str), _("Failed to parse board string:\n\"%s\""), string);
3447 DisplayError(str, 0);
3451 /* Convert the move number to internal form */
3452 moveNum = (moveNum - 1) * 2;
3453 if (to_play == 'B') moveNum++;
3454 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
3455 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
3461 case RELATION_OBSERVING_PLAYED:
3462 case RELATION_OBSERVING_STATIC:
3463 if (gamenum == -1) {
3464 /* Old ICC buglet */
3465 relation = RELATION_OBSERVING_STATIC;
3467 newGameMode = IcsObserving;
3469 case RELATION_PLAYING_MYMOVE:
3470 case RELATION_PLAYING_NOTMYMOVE:
3472 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
3473 IcsPlayingWhite : IcsPlayingBlack;
3475 case RELATION_EXAMINING:
3476 newGameMode = IcsExamining;
3478 case RELATION_ISOLATED_BOARD:
3480 /* Just display this board. If user was doing something else,
3481 we will forget about it until the next board comes. */
3482 newGameMode = IcsIdle;
3484 case RELATION_STARTING_POSITION:
3485 newGameMode = gameMode;
3489 /* Modify behavior for initial board display on move listing
3492 switch (ics_getting_history) {
3496 case H_GOT_REQ_HEADER:
3497 case H_GOT_UNREQ_HEADER:
3498 /* This is the initial position of the current game */
3499 gamenum = ics_gamenum;
3500 moveNum = 0; /* old ICS bug workaround */
3501 if (to_play == 'B') {
3502 startedFromSetupPosition = TRUE;
3503 blackPlaysFirst = TRUE;
3505 if (forwardMostMove == 0) forwardMostMove = 1;
3506 if (backwardMostMove == 0) backwardMostMove = 1;
3507 if (currentMove == 0) currentMove = 1;
3509 newGameMode = gameMode;
3510 relation = RELATION_STARTING_POSITION; /* ICC needs this */
3512 case H_GOT_UNWANTED_HEADER:
3513 /* This is an initial board that we don't want */
3515 case H_GETTING_MOVES:
3516 /* Should not happen */
3517 DisplayError(_("Error gathering move list: extra board"), 0);
3518 ics_getting_history = H_FALSE;
3522 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
3523 weird && (int)gameInfo.variant <= (int)VariantShogi) {
3524 /* [HGM] We seem to have switched variant unexpectedly
3525 * Try to guess new variant from board size
3527 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
3528 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
3529 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
3530 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
3531 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
3532 if(!weird) newVariant = VariantNormal;
3533 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3534 /* Get a move list just to see the header, which
3535 will tell us whether this is really bug or zh */
3536 if (ics_getting_history == H_FALSE) {
3537 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
3538 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3543 /* Take action if this is the first board of a new game, or of a
3544 different game than is currently being displayed. */
3545 if (gamenum != ics_gamenum || newGameMode != gameMode ||
3546 relation == RELATION_ISOLATED_BOARD) {
3548 /* Forget the old game and get the history (if any) of the new one */
3549 if (gameMode != BeginningOfGame) {
3553 if (appData.autoRaiseBoard) BoardToTop();
3555 if (gamenum == -1) {
3556 newGameMode = IcsIdle;
3557 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
3558 appData.getMoveList && !reqFlag) {
3559 /* Need to get game history */
3560 ics_getting_history = H_REQUESTED;
3561 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3565 /* Initially flip the board to have black on the bottom if playing
3566 black or if the ICS flip flag is set, but let the user change
3567 it with the Flip View button. */
3568 flipView = appData.autoFlipView ?
3569 (newGameMode == IcsPlayingBlack) || ics_flip :
3572 /* Done with values from previous mode; copy in new ones */
3573 gameMode = newGameMode;
3575 ics_gamenum = gamenum;
3576 if (gamenum == gs_gamenum) {
3577 int klen = strlen(gs_kind);
3578 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
3579 sprintf(str, "ICS %s", gs_kind);
3580 gameInfo.event = StrSave(str);
3582 gameInfo.event = StrSave("ICS game");
3584 gameInfo.site = StrSave(appData.icsHost);
3585 gameInfo.date = PGNDate();
3586 gameInfo.round = StrSave("-");
3587 gameInfo.white = StrSave(white);
3588 gameInfo.black = StrSave(black);
3589 timeControl = basetime * 60 * 1000;
3591 timeIncrement = increment * 1000;
3592 movesPerSession = 0;
3593 gameInfo.timeControl = TimeControlTagValue();
3594 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
3595 if (appData.debugMode) {
3596 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
3597 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
3598 setbuf(debugFP, NULL);
3601 gameInfo.outOfBook = NULL;
3603 /* Do we have the ratings? */
3604 if (strcmp(player1Name, white) == 0 &&
3605 strcmp(player2Name, black) == 0) {
3606 if (appData.debugMode)
3607 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
3608 player1Rating, player2Rating);
3609 gameInfo.whiteRating = player1Rating;
3610 gameInfo.blackRating = player2Rating;
3611 } else if (strcmp(player2Name, white) == 0 &&
3612 strcmp(player1Name, black) == 0) {
3613 if (appData.debugMode)
3614 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
3615 player2Rating, player1Rating);
3616 gameInfo.whiteRating = player2Rating;
3617 gameInfo.blackRating = player1Rating;
3619 player1Name[0] = player2Name[0] = NULLCHAR;
3621 /* Silence shouts if requested */
3622 if (appData.quietPlay &&
3623 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
3624 SendToICS(ics_prefix);
3625 SendToICS("set shout 0\n");
3629 /* Deal with midgame name changes */
3631 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
3632 if (gameInfo.white) free(gameInfo.white);
3633 gameInfo.white = StrSave(white);
3635 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
3636 if (gameInfo.black) free(gameInfo.black);
3637 gameInfo.black = StrSave(black);
3641 /* Throw away game result if anything actually changes in examine mode */
3642 if (gameMode == IcsExamining && !newGame) {
3643 gameInfo.result = GameUnfinished;
3644 if (gameInfo.resultDetails != NULL) {
3645 free(gameInfo.resultDetails);
3646 gameInfo.resultDetails = NULL;
3650 /* In pausing && IcsExamining mode, we ignore boards coming
3651 in if they are in a different variation than we are. */
3652 if (pauseExamInvalid) return;
3653 if (pausing && gameMode == IcsExamining) {
3654 if (moveNum <= pauseExamForwardMostMove) {
3655 pauseExamInvalid = TRUE;
3656 forwardMostMove = pauseExamForwardMostMove;
3661 if (appData.debugMode) {
3662 fprintf(debugFP, "load %dx%d board\n", files, ranks);
3664 /* Parse the board */
3665 for (k = 0; k < ranks; k++) {
3666 for (j = 0; j < files; j++)
3667 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
3668 if(gameInfo.holdingsWidth > 1) {
3669 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
3670 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
3673 CopyBoard(boards[moveNum], board);
3674 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
3676 startedFromSetupPosition =
3677 !CompareBoards(board, initialPosition);
3678 if(startedFromSetupPosition)
3679 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
3682 /* [HGM] Set castling rights. Take the outermost Rooks,
3683 to make it also work for FRC opening positions. Note that board12
3684 is really defective for later FRC positions, as it has no way to
3685 indicate which Rook can castle if they are on the same side of King.
3686 For the initial position we grant rights to the outermost Rooks,
3687 and remember thos rights, and we then copy them on positions
3688 later in an FRC game. This means WB might not recognize castlings with
3689 Rooks that have moved back to their original position as illegal,
3690 but in ICS mode that is not its job anyway.
3692 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
3693 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
3695 for(i=BOARD_LEFT, j= -1; i<BOARD_RGHT; i++)
3696 if(board[0][i] == WhiteRook) j = i;
3697 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
3698 for(i=BOARD_RGHT-1, j= -1; i>=BOARD_LEFT; i--)
3699 if(board[0][i] == WhiteRook) j = i;
3700 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
3701 for(i=BOARD_LEFT, j= -1; i<BOARD_RGHT; i++)
3702 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
3703 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
3704 for(i=BOARD_RGHT-1, j= -1; i>=BOARD_LEFT; i--)
3705 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
3706 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
3708 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
3709 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
3710 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
3711 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
3712 if(board[BOARD_HEIGHT-1][k] == bKing)
3713 initialRights[5] = boards[moveNum][CASTLING][5] = k;
3715 r = boards[moveNum][CASTLING][0] = initialRights[0];
3716 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
3717 r = boards[moveNum][CASTLING][1] = initialRights[1];
3718 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
3719 r = boards[moveNum][CASTLING][3] = initialRights[3];
3720 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
3721 r = boards[moveNum][CASTLING][4] = initialRights[4];
3722 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
3723 /* wildcastle kludge: always assume King has rights */
3724 r = boards[moveNum][CASTLING][2] = initialRights[2];
3725 r = boards[moveNum][CASTLING][5] = initialRights[5];
3727 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
3728 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
3731 if (ics_getting_history == H_GOT_REQ_HEADER ||
3732 ics_getting_history == H_GOT_UNREQ_HEADER) {
3733 /* This was an initial position from a move list, not
3734 the current position */
3738 /* Update currentMove and known move number limits */
3739 newMove = newGame || moveNum > forwardMostMove;
3742 forwardMostMove = backwardMostMove = currentMove = moveNum;
3743 if (gameMode == IcsExamining && moveNum == 0) {
3744 /* Workaround for ICS limitation: we are not told the wild
3745 type when starting to examine a game. But if we ask for
3746 the move list, the move list header will tell us */
3747 ics_getting_history = H_REQUESTED;
3748 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3751 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
3752 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
3754 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
3755 /* [HGM] applied this also to an engine that is silently watching */
3756 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
3757 (gameMode == IcsObserving || gameMode == IcsExamining) &&
3758 gameInfo.variant == currentlyInitializedVariant) {
3759 takeback = forwardMostMove - moveNum;
3760 for (i = 0; i < takeback; i++) {
3761 if (appData.debugMode) fprintf(debugFP, "take back move\n");
3762 SendToProgram("undo\n", &first);
3767 forwardMostMove = moveNum;
3768 if (!pausing || currentMove > forwardMostMove)
3769 currentMove = forwardMostMove;
3771 /* New part of history that is not contiguous with old part */
3772 if (pausing && gameMode == IcsExamining) {
3773 pauseExamInvalid = TRUE;
3774 forwardMostMove = pauseExamForwardMostMove;
3777 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
3779 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
3780 // [HGM] when we will receive the move list we now request, it will be
3781 // fed to the engine from the first move on. So if the engine is not
3782 // in the initial position now, bring it there.
3783 InitChessProgram(&first, 0);
3786 ics_getting_history = H_REQUESTED;
3787 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3790 forwardMostMove = backwardMostMove = currentMove = moveNum;
3793 /* Update the clocks */
3794 if (strchr(elapsed_time, '.')) {
3796 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
3797 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
3799 /* Time is in seconds */
3800 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
3801 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
3806 if (appData.zippyPlay && newGame &&
3807 gameMode != IcsObserving && gameMode != IcsIdle &&
3808 gameMode != IcsExamining)
3809 ZippyFirstBoard(moveNum, basetime, increment);
3812 /* Put the move on the move list, first converting
3813 to canonical algebraic form. */
3815 if (appData.debugMode) {
3816 if (appData.debugMode) { int f = forwardMostMove;
3817 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
3818 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
3819 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
3821 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
3822 fprintf(debugFP, "moveNum = %d\n", moveNum);
3823 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
3824 setbuf(debugFP, NULL);
3826 if (moveNum <= backwardMostMove) {
3827 /* We don't know what the board looked like before
3829 strcpy(parseList[moveNum - 1], move_str);
3830 strcat(parseList[moveNum - 1], " ");
3831 strcat(parseList[moveNum - 1], elapsed_time);
3832 moveList[moveNum - 1][0] = NULLCHAR;
3833 } else if (strcmp(move_str, "none") == 0) {
3834 // [HGM] long SAN: swapped order; test for 'none' before parsing move
3835 /* Again, we don't know what the board looked like;
3836 this is really the start of the game. */
3837 parseList[moveNum - 1][0] = NULLCHAR;
3838 moveList[moveNum - 1][0] = NULLCHAR;
3839 backwardMostMove = moveNum;
3840 startedFromSetupPosition = TRUE;
3841 fromX = fromY = toX = toY = -1;
3843 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
3844 // So we parse the long-algebraic move string in stead of the SAN move
3845 int valid; char buf[MSG_SIZ], *prom;
3847 // str looks something like "Q/a1-a2"; kill the slash
3849 sprintf(buf, "%c%s", str[0], str+2);
3850 else strcpy(buf, str); // might be castling
3851 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
3852 strcat(buf, prom); // long move lacks promo specification!
3853 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
3854 if(appData.debugMode)
3855 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
3856 strcpy(move_str, buf);
3858 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
3859 &fromX, &fromY, &toX, &toY, &promoChar)
3860 || ParseOneMove(buf, moveNum - 1, &moveType,
3861 &fromX, &fromY, &toX, &toY, &promoChar);
3862 // end of long SAN patch
3864 (void) CoordsToAlgebraic(boards[moveNum - 1],
3865 PosFlags(moveNum - 1),
3866 fromY, fromX, toY, toX, promoChar,
3867 parseList[moveNum-1]);
3868 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
3874 if(gameInfo.variant != VariantShogi)
3875 strcat(parseList[moveNum - 1], "+");
3878 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
3879 strcat(parseList[moveNum - 1], "#");
3882 strcat(parseList[moveNum - 1], " ");
3883 strcat(parseList[moveNum - 1], elapsed_time);
3884 /* currentMoveString is set as a side-effect of ParseOneMove */
3885 strcpy(moveList[moveNum - 1], currentMoveString);
3886 strcat(moveList[moveNum - 1], "\n");
3888 /* Move from ICS was illegal!? Punt. */
3889 if (appData.debugMode) {
3890 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
3891 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
3893 strcpy(parseList[moveNum - 1], move_str);
3894 strcat(parseList[moveNum - 1], " ");
3895 strcat(parseList[moveNum - 1], elapsed_time);
3896 moveList[moveNum - 1][0] = NULLCHAR;
3897 fromX = fromY = toX = toY = -1;
3900 if (appData.debugMode) {
3901 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
3902 setbuf(debugFP, NULL);
3906 /* Send move to chess program (BEFORE animating it). */
3907 if (appData.zippyPlay && !newGame && newMove &&
3908 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
3910 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
3911 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
3912 if (moveList[moveNum - 1][0] == NULLCHAR) {
3913 sprintf(str, _("Couldn't parse move \"%s\" from ICS"),
3915 DisplayError(str, 0);
3917 if (first.sendTime) {
3918 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
3920 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
3921 if (firstMove && !bookHit) {
3923 if (first.useColors) {
3924 SendToProgram(gameMode == IcsPlayingWhite ?
3926 "black\ngo\n", &first);
3928 SendToProgram("go\n", &first);
3930 first.maybeThinking = TRUE;
3933 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
3934 if (moveList[moveNum - 1][0] == NULLCHAR) {
3935 sprintf(str, _("Couldn't parse move \"%s\" from ICS"), move_str);
3936 DisplayError(str, 0);
3938 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
3939 SendMoveToProgram(moveNum - 1, &first);
3946 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
3947 /* If move comes from a remote source, animate it. If it
3948 isn't remote, it will have already been animated. */
3949 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
3950 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
3952 if (!pausing && appData.highlightLastMove) {
3953 SetHighlights(fromX, fromY, toX, toY);
3957 /* Start the clocks */
3958 whiteFlag = blackFlag = FALSE;
3959 appData.clockMode = !(basetime == 0 && increment == 0);
3961 ics_clock_paused = TRUE;
3963 } else if (ticking == 1) {
3964 ics_clock_paused = FALSE;
3966 if (gameMode == IcsIdle ||
3967 relation == RELATION_OBSERVING_STATIC ||
3968 relation == RELATION_EXAMINING ||
3970 DisplayBothClocks();
3974 /* Display opponents and material strengths */
3975 if (gameInfo.variant != VariantBughouse &&
3976 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
3977 if (tinyLayout || smallLayout) {
3978 if(gameInfo.variant == VariantNormal)
3979 sprintf(str, "%s(%d) %s(%d) {%d %d}",
3980 gameInfo.white, white_stren, gameInfo.black, black_stren,
3981 basetime, increment);
3983 sprintf(str, "%s(%d) %s(%d) {%d %d w%d}",
3984 gameInfo.white, white_stren, gameInfo.black, black_stren,
3985 basetime, increment, (int) gameInfo.variant);
3987 if(gameInfo.variant == VariantNormal)
3988 sprintf(str, "%s (%d) vs. %s (%d) {%d %d}",
3989 gameInfo.white, white_stren, gameInfo.black, black_stren,
3990 basetime, increment);
3992 sprintf(str, "%s (%d) vs. %s (%d) {%d %d %s}",
3993 gameInfo.white, white_stren, gameInfo.black, black_stren,
3994 basetime, increment, VariantName(gameInfo.variant));
3997 if (appData.debugMode) {
3998 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4003 /* Display the board */
4004 if (!pausing && !appData.noGUI) {
4006 if (appData.premove)
4008 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4009 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4010 ClearPremoveHighlights();
4012 DrawPosition(FALSE, boards[currentMove]);
4013 DisplayMove(moveNum - 1);
4014 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4015 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4016 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4017 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4021 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4023 if(bookHit) { // [HGM] book: simulate book reply
4024 static char bookMove[MSG_SIZ]; // a bit generous?
4026 programStats.nodes = programStats.depth = programStats.time =
4027 programStats.score = programStats.got_only_move = 0;
4028 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4030 strcpy(bookMove, "move ");
4031 strcat(bookMove, bookHit);
4032 HandleMachineMove(bookMove, &first);
4041 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4042 ics_getting_history = H_REQUESTED;
4043 sprintf(buf, "%smoves %d\n", ics_prefix, ics_gamenum);
4049 AnalysisPeriodicEvent(force)
4052 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4053 && !force) || !appData.periodicUpdates)
4056 /* Send . command to Crafty to collect stats */
4057 SendToProgram(".\n", &first);
4059 /* Don't send another until we get a response (this makes
4060 us stop sending to old Crafty's which don't understand
4061 the "." command (sending illegal cmds resets node count & time,
4062 which looks bad)) */
4063 programStats.ok_to_send = 0;
4066 void ics_update_width(new_width)
4069 ics_printf("set width %d\n", new_width);
4073 SendMoveToProgram(moveNum, cps)
4075 ChessProgramState *cps;
4079 if (cps->useUsermove) {
4080 SendToProgram("usermove ", cps);
4084 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4085 int len = space - parseList[moveNum];
4086 memcpy(buf, parseList[moveNum], len);
4088 buf[len] = NULLCHAR;
4090 sprintf(buf, "%s\n", parseList[moveNum]);
4092 SendToProgram(buf, cps);
4094 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4095 AlphaRank(moveList[moveNum], 4);
4096 SendToProgram(moveList[moveNum], cps);
4097 AlphaRank(moveList[moveNum], 4); // and back
4099 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4100 * the engine. It would be nice to have a better way to identify castle
4102 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4103 && cps->useOOCastle) {
4104 int fromX = moveList[moveNum][0] - AAA;
4105 int fromY = moveList[moveNum][1] - ONE;
4106 int toX = moveList[moveNum][2] - AAA;
4107 int toY = moveList[moveNum][3] - ONE;
4108 if((boards[moveNum][fromY][fromX] == WhiteKing
4109 && boards[moveNum][toY][toX] == WhiteRook)
4110 || (boards[moveNum][fromY][fromX] == BlackKing
4111 && boards[moveNum][toY][toX] == BlackRook)) {
4112 if(toX > fromX) SendToProgram("O-O\n", cps);
4113 else SendToProgram("O-O-O\n", cps);
4115 else SendToProgram(moveList[moveNum], cps);
4117 else SendToProgram(moveList[moveNum], cps);
4118 /* End of additions by Tord */
4121 /* [HGM] setting up the opening has brought engine in force mode! */
4122 /* Send 'go' if we are in a mode where machine should play. */
4123 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4124 (gameMode == TwoMachinesPlay ||
4126 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4128 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4129 SendToProgram("go\n", cps);
4130 if (appData.debugMode) {
4131 fprintf(debugFP, "(extra)\n");
4134 setboardSpoiledMachineBlack = 0;
4138 SendMoveToICS(moveType, fromX, fromY, toX, toY)
4140 int fromX, fromY, toX, toY;
4142 char user_move[MSG_SIZ];
4146 sprintf(user_move, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4147 (int)moveType, fromX, fromY, toX, toY);
4148 DisplayError(user_move + strlen("say "), 0);
4150 case WhiteKingSideCastle:
4151 case BlackKingSideCastle:
4152 case WhiteQueenSideCastleWild:
4153 case BlackQueenSideCastleWild:
4155 case WhiteHSideCastleFR:
4156 case BlackHSideCastleFR:
4158 sprintf(user_move, "o-o\n");
4160 case WhiteQueenSideCastle:
4161 case BlackQueenSideCastle:
4162 case WhiteKingSideCastleWild:
4163 case BlackKingSideCastleWild:
4165 case WhiteASideCastleFR:
4166 case BlackASideCastleFR:
4168 sprintf(user_move, "o-o-o\n");
4170 case WhitePromotionQueen:
4171 case BlackPromotionQueen:
4172 case WhitePromotionRook:
4173 case BlackPromotionRook:
4174 case WhitePromotionBishop:
4175 case BlackPromotionBishop:
4176 case WhitePromotionKnight:
4177 case BlackPromotionKnight:
4178 case WhitePromotionKing:
4179 case BlackPromotionKing:
4180 case WhitePromotionChancellor:
4181 case BlackPromotionChancellor:
4182 case WhitePromotionArchbishop:
4183 case BlackPromotionArchbishop:
4184 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier)
4185 sprintf(user_move, "%c%c%c%c=%c\n",
4186 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4187 PieceToChar(WhiteFerz));
4188 else if(gameInfo.variant == VariantGreat)
4189 sprintf(user_move, "%c%c%c%c=%c\n",
4190 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4191 PieceToChar(WhiteMan));
4193 sprintf(user_move, "%c%c%c%c=%c\n",
4194 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4195 PieceToChar(PromoPiece(moveType)));
4199 sprintf(user_move, "%c@%c%c\n",
4200 ToUpper(PieceToChar((ChessSquare) fromX)),
4201 AAA + toX, ONE + toY);
4204 case WhiteCapturesEnPassant:
4205 case BlackCapturesEnPassant:
4206 case IllegalMove: /* could be a variant we don't quite understand */
4207 sprintf(user_move, "%c%c%c%c\n",
4208 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4211 SendToICS(user_move);
4212 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
4213 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
4217 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
4222 if (rf == DROP_RANK) {
4223 sprintf(move, "%c@%c%c\n",
4224 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
4226 if (promoChar == 'x' || promoChar == NULLCHAR) {
4227 sprintf(move, "%c%c%c%c\n",
4228 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
4230 sprintf(move, "%c%c%c%c%c\n",
4231 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
4237 ProcessICSInitScript(f)
4242 while (fgets(buf, MSG_SIZ, f)) {
4243 SendToICSDelayed(buf,(long)appData.msLoginDelay);
4250 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
4252 AlphaRank(char *move, int n)
4254 // char *p = move, c; int x, y;
4256 if (appData.debugMode) {
4257 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
4261 move[2]>='0' && move[2]<='9' &&
4262 move[3]>='a' && move[3]<='x' ) {
4264 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4265 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4267 if(move[0]>='0' && move[0]<='9' &&
4268 move[1]>='a' && move[1]<='x' &&
4269 move[2]>='0' && move[2]<='9' &&
4270 move[3]>='a' && move[3]<='x' ) {
4271 /* input move, Shogi -> normal */
4272 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
4273 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
4274 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4275 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4278 move[3]>='0' && move[3]<='9' &&
4279 move[2]>='a' && move[2]<='x' ) {
4281 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4282 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4285 move[0]>='a' && move[0]<='x' &&
4286 move[3]>='0' && move[3]<='9' &&
4287 move[2]>='a' && move[2]<='x' ) {
4288 /* output move, normal -> Shogi */
4289 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
4290 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
4291 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4292 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4293 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
4295 if (appData.debugMode) {
4296 fprintf(debugFP, " out = '%s'\n", move);
4300 /* Parser for moves from gnuchess, ICS, or user typein box */
4302 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
4305 ChessMove *moveType;
4306 int *fromX, *fromY, *toX, *toY;
4309 if (appData.debugMode) {
4310 fprintf(debugFP, "move to parse: %s\n", move);
4312 *moveType = yylexstr(moveNum, move);
4314 switch (*moveType) {
4315 case WhitePromotionChancellor:
4316 case BlackPromotionChancellor:
4317 case WhitePromotionArchbishop:
4318 case BlackPromotionArchbishop:
4319 case WhitePromotionQueen:
4320 case BlackPromotionQueen:
4321 case WhitePromotionRook:
4322 case BlackPromotionRook:
4323 case WhitePromotionBishop:
4324 case BlackPromotionBishop:
4325 case WhitePromotionKnight:
4326 case BlackPromotionKnight:
4327 case WhitePromotionKing:
4328 case BlackPromotionKing:
4330 case WhiteCapturesEnPassant:
4331 case BlackCapturesEnPassant:
4332 case WhiteKingSideCastle:
4333 case WhiteQueenSideCastle:
4334 case BlackKingSideCastle:
4335 case BlackQueenSideCastle:
4336 case WhiteKingSideCastleWild:
4337 case WhiteQueenSideCastleWild:
4338 case BlackKingSideCastleWild:
4339 case BlackQueenSideCastleWild:
4340 /* Code added by Tord: */
4341 case WhiteHSideCastleFR:
4342 case WhiteASideCastleFR:
4343 case BlackHSideCastleFR:
4344 case BlackASideCastleFR:
4345 /* End of code added by Tord */
4346 case IllegalMove: /* bug or odd chess variant */
4347 *fromX = currentMoveString[0] - AAA;
4348 *fromY = currentMoveString[1] - ONE;
4349 *toX = currentMoveString[2] - AAA;
4350 *toY = currentMoveString[3] - ONE;
4351 *promoChar = currentMoveString[4];
4352 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
4353 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
4354 if (appData.debugMode) {
4355 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
4357 *fromX = *fromY = *toX = *toY = 0;
4360 if (appData.testLegality) {
4361 return (*moveType != IllegalMove);
4363 return !(fromX == fromY && toX == toY);
4368 *fromX = *moveType == WhiteDrop ?
4369 (int) CharToPiece(ToUpper(currentMoveString[0])) :
4370 (int) CharToPiece(ToLower(currentMoveString[0]));
4372 *toX = currentMoveString[2] - AAA;
4373 *toY = currentMoveString[3] - ONE;
4374 *promoChar = NULLCHAR;
4378 case ImpossibleMove:
4379 case (ChessMove) 0: /* end of file */
4388 if (appData.debugMode) {
4389 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
4392 *fromX = *fromY = *toX = *toY = 0;
4393 *promoChar = NULLCHAR;
4398 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
4399 // All positions will have equal probability, but the current method will not provide a unique
4400 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
4406 int piecesLeft[(int)BlackPawn];
4407 int seed, nrOfShuffles;
4409 void GetPositionNumber()
4410 { // sets global variable seed
4413 seed = appData.defaultFrcPosition;
4414 if(seed < 0) { // randomize based on time for negative FRC position numbers
4415 for(i=0; i<50; i++) seed += random();
4416 seed = random() ^ random() >> 8 ^ random() << 8;
4417 if(seed<0) seed = -seed;
4421 int put(Board board, int pieceType, int rank, int n, int shade)
4422 // put the piece on the (n-1)-th empty squares of the given shade
4426 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
4427 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
4428 board[rank][i] = (ChessSquare) pieceType;
4429 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
4431 piecesLeft[pieceType]--;
4439 void AddOnePiece(Board board, int pieceType, int rank, int shade)
4440 // calculate where the next piece goes, (any empty square), and put it there
4444 i = seed % squaresLeft[shade];
4445 nrOfShuffles *= squaresLeft[shade];
4446 seed /= squaresLeft[shade];
4447 put(board, pieceType, rank, i, shade);
4450 void AddTwoPieces(Board board, int pieceType, int rank)
4451 // calculate where the next 2 identical pieces go, (any empty square), and put it there
4453 int i, n=squaresLeft[ANY], j=n-1, k;
4455 k = n*(n-1)/2; // nr of possibilities, not counting permutations
4456 i = seed % k; // pick one
4459 while(i >= j) i -= j--;
4460 j = n - 1 - j; i += j;
4461 put(board, pieceType, rank, j, ANY);
4462 put(board, pieceType, rank, i, ANY);
4465 void SetUpShuffle(Board board, int number)
4469 GetPositionNumber(); nrOfShuffles = 1;
4471 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
4472 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
4473 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
4475 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
4477 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
4478 p = (int) board[0][i];
4479 if(p < (int) BlackPawn) piecesLeft[p] ++;
4480 board[0][i] = EmptySquare;
4483 if(PosFlags(0) & F_ALL_CASTLE_OK) {
4484 // shuffles restricted to allow normal castling put KRR first
4485 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
4486 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
4487 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
4488 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
4489 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
4490 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
4491 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
4492 put(board, WhiteRook, 0, 0, ANY);
4493 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
4496 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
4497 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
4498 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
4499 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
4500 while(piecesLeft[p] >= 2) {
4501 AddOnePiece(board, p, 0, LITE);
4502 AddOnePiece(board, p, 0, DARK);
4504 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
4507 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
4508 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
4509 // but we leave King and Rooks for last, to possibly obey FRC restriction
4510 if(p == (int)WhiteRook) continue;
4511 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
4512 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
4515 // now everything is placed, except perhaps King (Unicorn) and Rooks
4517 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
4518 // Last King gets castling rights
4519 while(piecesLeft[(int)WhiteUnicorn]) {
4520 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
4521 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
4524 while(piecesLeft[(int)WhiteKing]) {
4525 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
4526 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
4531 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
4532 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
4535 // Only Rooks can be left; simply place them all
4536 while(piecesLeft[(int)WhiteRook]) {
4537 i = put(board, WhiteRook, 0, 0, ANY);
4538 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
4541 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
4543 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
4546 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
4547 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
4550 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
4553 int SetCharTable( char *table, const char * map )
4554 /* [HGM] moved here from winboard.c because of its general usefulness */
4555 /* Basically a safe strcpy that uses the last character as King */
4557 int result = FALSE; int NrPieces;
4559 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
4560 && NrPieces >= 12 && !(NrPieces&1)) {
4561 int i; /* [HGM] Accept even length from 12 to 34 */
4563 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
4564 for( i=0; i<NrPieces/2-1; i++ ) {
4566 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
4568 table[(int) WhiteKing] = map[NrPieces/2-1];
4569 table[(int) BlackKing] = map[NrPieces-1];
4577 void Prelude(Board board)
4578 { // [HGM] superchess: random selection of exo-pieces
4579 int i, j, k; ChessSquare p;
4580 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
4582 GetPositionNumber(); // use FRC position number
4584 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
4585 SetCharTable(pieceToChar, appData.pieceToCharTable);
4586 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
4587 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
4590 j = seed%4; seed /= 4;
4591 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
4592 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
4593 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
4594 j = seed%3 + (seed%3 >= j); seed /= 3;
4595 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
4596 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
4597 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
4598 j = seed%3; seed /= 3;
4599 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
4600 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
4601 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
4602 j = seed%2 + (seed%2 >= j); seed /= 2;
4603 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
4604 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
4605 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
4606 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
4607 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
4608 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
4609 put(board, exoPieces[0], 0, 0, ANY);
4610 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
4614 InitPosition(redraw)
4617 ChessSquare (* pieces)[BOARD_FILES];
4618 int i, j, pawnRow, overrule,
4619 oldx = gameInfo.boardWidth,
4620 oldy = gameInfo.boardHeight,
4621 oldh = gameInfo.holdingsWidth,
4622 oldv = gameInfo.variant;
4624 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
4626 /* [AS] Initialize pv info list [HGM] and game status */
4628 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
4629 pvInfoList[i].depth = 0;
4630 boards[i][EP_STATUS] = EP_NONE;
4631 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
4634 initialRulePlies = 0; /* 50-move counter start */
4636 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
4637 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
4641 /* [HGM] logic here is completely changed. In stead of full positions */
4642 /* the initialized data only consist of the two backranks. The switch */
4643 /* selects which one we will use, which is than copied to the Board */
4644 /* initialPosition, which for the rest is initialized by Pawns and */
4645 /* empty squares. This initial position is then copied to boards[0], */
4646 /* possibly after shuffling, so that it remains available. */
4648 gameInfo.holdingsWidth = 0; /* default board sizes */
4649 gameInfo.boardWidth = 8;
4650 gameInfo.boardHeight = 8;
4651 gameInfo.holdingsSize = 0;
4652 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
4653 for(i=0; i<BOARD_FILES-2; i++)
4654 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
4655 initialPosition[EP_STATUS] = EP_NONE;
4656 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
4658 switch (gameInfo.variant) {
4659 case VariantFischeRandom:
4660 shuffleOpenings = TRUE;
4664 case VariantShatranj:
4665 pieces = ShatranjArray;
4666 nrCastlingRights = 0;
4667 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
4669 case VariantTwoKings:
4670 pieces = twoKingsArray;
4672 case VariantCapaRandom:
4673 shuffleOpenings = TRUE;
4674 case VariantCapablanca:
4675 pieces = CapablancaArray;
4676 gameInfo.boardWidth = 10;
4677 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
4680 pieces = GothicArray;
4681 gameInfo.boardWidth = 10;
4682 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
4685 pieces = JanusArray;
4686 gameInfo.boardWidth = 10;
4687 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
4688 nrCastlingRights = 6;
4689 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
4690 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
4691 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
4692 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
4693 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
4694 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
4697 pieces = FalconArray;
4698 gameInfo.boardWidth = 10;
4699 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
4701 case VariantXiangqi:
4702 pieces = XiangqiArray;
4703 gameInfo.boardWidth = 9;
4704 gameInfo.boardHeight = 10;
4705 nrCastlingRights = 0;
4706 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
4709 pieces = ShogiArray;
4710 gameInfo.boardWidth = 9;
4711 gameInfo.boardHeight = 9;
4712 gameInfo.holdingsSize = 7;
4713 nrCastlingRights = 0;
4714 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
4716 case VariantCourier:
4717 pieces = CourierArray;
4718 gameInfo.boardWidth = 12;
4719 nrCastlingRights = 0;
4720 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
4722 case VariantKnightmate:
4723 pieces = KnightmateArray;
4724 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
4727 pieces = fairyArray;
4728 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVSLUKpnbrqfeacwmohijgdvsluk");
4731 pieces = GreatArray;
4732 gameInfo.boardWidth = 10;
4733 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
4734 gameInfo.holdingsSize = 8;
4738 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
4739 gameInfo.holdingsSize = 8;
4740 startedFromSetupPosition = TRUE;
4742 case VariantCrazyhouse:
4743 case VariantBughouse:
4745 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
4746 gameInfo.holdingsSize = 5;
4748 case VariantWildCastle:
4750 /* !!?shuffle with kings guaranteed to be on d or e file */
4751 shuffleOpenings = 1;
4753 case VariantNoCastle:
4755 nrCastlingRights = 0;
4756 /* !!?unconstrained back-rank shuffle */
4757 shuffleOpenings = 1;
4762 if(appData.NrFiles >= 0) {
4763 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
4764 gameInfo.boardWidth = appData.NrFiles;
4766 if(appData.NrRanks >= 0) {
4767 gameInfo.boardHeight = appData.NrRanks;
4769 if(appData.holdingsSize >= 0) {
4770 i = appData.holdingsSize;
4771 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
4772 gameInfo.holdingsSize = i;
4774 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
4775 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
4776 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
4778 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
4779 if(pawnRow < 1) pawnRow = 1;
4781 /* User pieceToChar list overrules defaults */
4782 if(appData.pieceToCharTable != NULL)
4783 SetCharTable(pieceToChar, appData.pieceToCharTable);
4785 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
4787 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
4788 s = (ChessSquare) 0; /* account holding counts in guard band */
4789 for( i=0; i<BOARD_HEIGHT; i++ )
4790 initialPosition[i][j] = s;
4792 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
4793 initialPosition[0][j] = pieces[0][j-gameInfo.holdingsWidth];
4794 initialPosition[pawnRow][j] = WhitePawn;
4795 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = BlackPawn;
4796 if(gameInfo.variant == VariantXiangqi) {
4798 initialPosition[pawnRow][j] =
4799 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
4800 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
4801 initialPosition[2][j] = WhiteCannon;
4802 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
4806 initialPosition[BOARD_HEIGHT-1][j] = pieces[1][j-gameInfo.holdingsWidth];
4808 if( (gameInfo.variant == VariantShogi) && !overrule ) {
4811 initialPosition[1][j] = WhiteBishop;
4812 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
4814 initialPosition[1][j] = WhiteRook;
4815 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
4818 if( nrCastlingRights == -1) {
4819 /* [HGM] Build normal castling rights (must be done after board sizing!) */
4820 /* This sets default castling rights from none to normal corners */
4821 /* Variants with other castling rights must set them themselves above */
4822 nrCastlingRights = 6;
4824 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
4825 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
4826 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
4827 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
4828 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
4829 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
4832 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
4833 if(gameInfo.variant == VariantGreat) { // promotion commoners
4834 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
4835 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
4836 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
4837 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
4839 if (appData.debugMode) {
4840 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
4842 if(shuffleOpenings) {
4843 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
4844 startedFromSetupPosition = TRUE;
4846 if(startedFromPositionFile) {
4847 /* [HGM] loadPos: use PositionFile for every new game */
4848 CopyBoard(initialPosition, filePosition);
4849 for(i=0; i<nrCastlingRights; i++)
4850 initialRights[i] = filePosition[CASTLING][i];
4851 startedFromSetupPosition = TRUE;
4854 CopyBoard(boards[0], initialPosition);
4856 if(oldx != gameInfo.boardWidth ||
4857 oldy != gameInfo.boardHeight ||
4858 oldh != gameInfo.holdingsWidth
4860 || oldv == VariantGothic || // For licensing popups
4861 gameInfo.variant == VariantGothic
4864 || oldv == VariantFalcon ||
4865 gameInfo.variant == VariantFalcon
4868 InitDrawingSizes(-2 ,0);
4871 DrawPosition(TRUE, boards[currentMove]);
4875 SendBoard(cps, moveNum)
4876 ChessProgramState *cps;
4879 char message[MSG_SIZ];
4881 if (cps->useSetboard) {
4882 char* fen = PositionToFEN(moveNum, cps->fenOverride);
4883 sprintf(message, "setboard %s\n", fen);
4884 SendToProgram(message, cps);
4890 /* Kludge to set black to move, avoiding the troublesome and now
4891 * deprecated "black" command.
4893 if (!WhiteOnMove(moveNum)) SendToProgram("a2a3\n", cps);
4895 SendToProgram("edit\n", cps);
4896 SendToProgram("#\n", cps);
4897 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
4898 bp = &boards[moveNum][i][BOARD_LEFT];
4899 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
4900 if ((int) *bp < (int) BlackPawn) {
4901 sprintf(message, "%c%c%c\n", PieceToChar(*bp),
4903 if(message[0] == '+' || message[0] == '~') {
4904 sprintf(message, "%c%c%c+\n",
4905 PieceToChar((ChessSquare)(DEMOTED *bp)),
4908 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
4909 message[1] = BOARD_RGHT - 1 - j + '1';
4910 message[2] = BOARD_HEIGHT - 1 - i + 'a';
4912 SendToProgram(message, cps);
4917 SendToProgram("c\n", cps);
4918 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
4919 bp = &boards[moveNum][i][BOARD_LEFT];
4920 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
4921 if (((int) *bp != (int) EmptySquare)
4922 && ((int) *bp >= (int) BlackPawn)) {
4923 sprintf(message, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
4925 if(message[0] == '+' || message[0] == '~') {
4926 sprintf(message, "%c%c%c+\n",
4927 PieceToChar((ChessSquare)(DEMOTED *bp)),
4930 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
4931 message[1] = BOARD_RGHT - 1 - j + '1';
4932 message[2] = BOARD_HEIGHT - 1 - i + 'a';
4934 SendToProgram(message, cps);
4939 SendToProgram(".\n", cps);
4941 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
4945 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice)
4947 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
4948 /* [HGM] add Shogi promotions */
4949 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
4954 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
4955 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
4957 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
4958 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
4961 piece = boards[currentMove][fromY][fromX];
4962 if(gameInfo.variant == VariantShogi) {
4963 promotionZoneSize = 3;
4964 highestPromotingPiece = (int)WhiteFerz;
4967 // next weed out all moves that do not touch the promotion zone at all
4968 if((int)piece >= BlackPawn) {
4969 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
4971 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
4973 if( toY < BOARD_HEIGHT - promotionZoneSize &&
4974 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
4977 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
4979 // weed out mandatory Shogi promotions
4980 if(gameInfo.variant == VariantShogi) {
4981 if(piece >= BlackPawn) {
4982 if(toY == 0 && piece == BlackPawn ||
4983 toY == 0 && piece == BlackQueen ||
4984 toY <= 1 && piece == BlackKnight) {
4989 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
4990 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
4991 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
4998 // weed out obviously illegal Pawn moves
4999 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
5000 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
5001 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
5002 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
5003 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
5004 // note we are not allowed to test for valid (non-)capture, due to premove
5007 // we either have a choice what to promote to, or (in Shogi) whether to promote
5008 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier) {
5009 *promoChoice = PieceToChar(BlackFerz); // no choice
5012 if(appData.alwaysPromoteToQueen) { // predetermined
5013 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantLosers)
5014 *promoChoice = PieceToChar(BlackKing); // in Suicide Q is the last thing we want
5015 else *promoChoice = PieceToChar(BlackQueen);
5019 // suppress promotion popup on illegal moves that are not premoves
5020 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
5021 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
5022 if(appData.testLegality && !premove) {
5023 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5024 fromY, fromX, toY, toX, NULLCHAR);
5025 if(moveType != WhitePromotionQueen && moveType != BlackPromotionQueen &&
5026 moveType != WhitePromotionKnight && moveType != BlackPromotionKnight)
5034 InPalace(row, column)
5036 { /* [HGM] for Xiangqi */
5037 if( (row < 3 || row > BOARD_HEIGHT-4) &&
5038 column < (BOARD_WIDTH + 4)/2 &&
5039 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
5044 PieceForSquare (x, y)
5048 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
5051 return boards[currentMove][y][x];
5055 OKToStartUserMove(x, y)
5058 ChessSquare from_piece;
5061 if (matchMode) return FALSE;
5062 if (gameMode == EditPosition) return TRUE;
5064 if (x >= 0 && y >= 0)
5065 from_piece = boards[currentMove][y][x];
5067 from_piece = EmptySquare;
5069 if (from_piece == EmptySquare) return FALSE;
5071 white_piece = (int)from_piece >= (int)WhitePawn &&
5072 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
5075 case PlayFromGameFile:
5077 case TwoMachinesPlay:
5085 case MachinePlaysWhite:
5086 case IcsPlayingBlack:
5087 if (appData.zippyPlay) return FALSE;
5089 DisplayMoveError(_("You are playing Black"));
5094 case MachinePlaysBlack:
5095 case IcsPlayingWhite:
5096 if (appData.zippyPlay) return FALSE;
5098 DisplayMoveError(_("You are playing White"));
5104 if (!white_piece && WhiteOnMove(currentMove)) {
5105 DisplayMoveError(_("It is White's turn"));
5108 if (white_piece && !WhiteOnMove(currentMove)) {
5109 DisplayMoveError(_("It is Black's turn"));
5112 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
5113 /* Editing correspondence game history */
5114 /* Could disallow this or prompt for confirmation */
5119 case BeginningOfGame:
5120 if (appData.icsActive) return FALSE;
5121 if (!appData.noChessProgram) {
5123 DisplayMoveError(_("You are playing White"));
5130 if (!white_piece && WhiteOnMove(currentMove)) {
5131 DisplayMoveError(_("It is White's turn"));
5134 if (white_piece && !WhiteOnMove(currentMove)) {
5135 DisplayMoveError(_("It is Black's turn"));
5144 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
5145 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
5146 && gameMode != AnalyzeFile && gameMode != Training) {
5147 DisplayMoveError(_("Displayed position is not current"));
5153 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
5154 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
5155 int lastLoadGameUseList = FALSE;
5156 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
5157 ChessMove lastLoadGameStart = (ChessMove) 0;
5160 UserMoveTest(fromX, fromY, toX, toY, promoChar, captureOwn)
5161 int fromX, fromY, toX, toY;
5166 ChessSquare pdown, pup;
5168 /* Check if the user is playing in turn. This is complicated because we
5169 let the user "pick up" a piece before it is his turn. So the piece he
5170 tried to pick up may have been captured by the time he puts it down!
5171 Therefore we use the color the user is supposed to be playing in this
5172 test, not the color of the piece that is currently on the starting
5173 square---except in EditGame mode, where the user is playing both
5174 sides; fortunately there the capture race can't happen. (It can
5175 now happen in IcsExamining mode, but that's just too bad. The user
5176 will get a somewhat confusing message in that case.)
5180 case PlayFromGameFile:
5182 case TwoMachinesPlay:
5186 /* We switched into a game mode where moves are not accepted,
5187 perhaps while the mouse button was down. */
5188 return ImpossibleMove;
5190 case MachinePlaysWhite:
5191 /* User is moving for Black */
5192 if (WhiteOnMove(currentMove)) {
5193 DisplayMoveError(_("It is White's turn"));
5194 return ImpossibleMove;
5198 case MachinePlaysBlack:
5199 /* User is moving for White */
5200 if (!WhiteOnMove(currentMove)) {
5201 DisplayMoveError(_("It is Black's turn"));
5202 return ImpossibleMove;
5208 case BeginningOfGame:
5211 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
5212 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
5213 /* User is moving for Black */
5214 if (WhiteOnMove(currentMove)) {
5215 DisplayMoveError(_("It is White's turn"));
5216 return ImpossibleMove;
5219 /* User is moving for White */
5220 if (!WhiteOnMove(currentMove)) {
5221 DisplayMoveError(_("It is Black's turn"));
5222 return ImpossibleMove;
5227 case IcsPlayingBlack:
5228 /* User is moving for Black */
5229 if (WhiteOnMove(currentMove)) {
5230 if (!appData.premove) {
5231 DisplayMoveError(_("It is White's turn"));
5232 } else if (toX >= 0 && toY >= 0) {
5235 premoveFromX = fromX;
5236 premoveFromY = fromY;
5237 premovePromoChar = promoChar;
5239 if (appData.debugMode)
5240 fprintf(debugFP, "Got premove: fromX %d,"
5241 "fromY %d, toX %d, toY %d\n",
5242 fromX, fromY, toX, toY);
5244 return ImpossibleMove;
5248 case IcsPlayingWhite:
5249 /* User is moving for White */
5250 if (!WhiteOnMove(currentMove)) {
5251 if (!appData.premove) {
5252 DisplayMoveError(_("It is Black's turn"));
5253 } else if (toX >= 0 && toY >= 0) {
5256 premoveFromX = fromX;
5257 premoveFromY = fromY;
5258 premovePromoChar = promoChar;
5260 if (appData.debugMode)
5261 fprintf(debugFP, "Got premove: fromX %d,"
5262 "fromY %d, toX %d, toY %d\n",
5263 fromX, fromY, toX, toY);
5265 return ImpossibleMove;
5273 /* EditPosition, empty square, or different color piece;
5274 click-click move is possible */
5275 if (toX == -2 || toY == -2) {
5276 boards[0][fromY][fromX] = EmptySquare;
5277 return AmbiguousMove;
5278 } else if (toX >= 0 && toY >= 0) {
5279 boards[0][toY][toX] = boards[0][fromY][fromX];
5280 boards[0][fromY][fromX] = EmptySquare;
5281 return AmbiguousMove;
5283 return ImpossibleMove;
5286 if(toX < 0 || toY < 0) return ImpossibleMove;
5287 pdown = boards[currentMove][fromY][fromX];
5288 pup = boards[currentMove][toY][toX];
5290 /* [HGM] If move started in holdings, it means a drop */
5291 if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) {
5292 if( pup != EmptySquare ) return ImpossibleMove;
5293 if(appData.testLegality) {
5294 /* it would be more logical if LegalityTest() also figured out
5295 * which drops are legal. For now we forbid pawns on back rank.
5296 * Shogi is on its own here...
5298 if( (pdown == WhitePawn || pdown == BlackPawn) &&
5299 (toY == 0 || toY == BOARD_HEIGHT -1 ) )
5300 return(ImpossibleMove); /* no pawn drops on 1st/8th */
5302 return WhiteDrop; /* Not needed to specify white or black yet */
5305 userOfferedDraw = FALSE;
5307 /* [HGM] always test for legality, to get promotion info */
5308 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5309 fromY, fromX, toY, toX, promoChar);
5310 /* [HGM] but possibly ignore an IllegalMove result */
5311 if (appData.testLegality) {
5312 if (moveType == IllegalMove || moveType == ImpossibleMove) {
5313 DisplayMoveError(_("Illegal move"));
5314 return ImpossibleMove;
5319 /* [HGM] <popupFix> in stead of calling FinishMove directly, this
5320 function is made into one that returns an OK move type if FinishMove
5321 should be called. This to give the calling driver routine the
5322 opportunity to finish the userMove input with a promotion popup,
5323 without bothering the user with this for invalid or illegal moves */
5325 /* FinishMove(moveType, fromX, fromY, toX, toY, promoChar); */
5328 /* Common tail of UserMoveEvent and DropMenuEvent */
5330 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
5332 int fromX, fromY, toX, toY;
5333 /*char*/int promoChar;
5337 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR) {
5338 // [HGM] superchess: suppress promotions to non-available piece
5339 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
5340 if(WhiteOnMove(currentMove)) {
5341 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
5343 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
5347 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
5348 move type in caller when we know the move is a legal promotion */
5349 if(moveType == NormalMove && promoChar)
5350 moveType = PromoCharToMoveType(WhiteOnMove(currentMove), promoChar);
5352 /* [HGM] convert drag-and-drop piece drops to standard form */
5353 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ){
5354 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
5355 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
5356 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
5357 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
5358 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
5359 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
5360 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
5364 /* [HGM] <popupFix> The following if has been moved here from
5365 UserMoveEvent(). Because it seemed to belong here (why not allow
5366 piece drops in training games?), and because it can only be
5367 performed after it is known to what we promote. */
5368 if (gameMode == Training) {
5369 /* compare the move played on the board to the next move in the
5370 * game. If they match, display the move and the opponent's response.
5371 * If they don't match, display an error message.
5375 CopyBoard(testBoard, boards[currentMove]);
5376 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
5378 if (CompareBoards(testBoard, boards[currentMove+1])) {
5379 ForwardInner(currentMove+1);
5381 /* Autoplay the opponent's response.
5382 * if appData.animate was TRUE when Training mode was entered,
5383 * the response will be animated.
5385 saveAnimate = appData.animate;
5386 appData.animate = animateTraining;
5387 ForwardInner(currentMove+1);
5388 appData.animate = saveAnimate;
5390 /* check for the end of the game */
5391 if (currentMove >= forwardMostMove) {
5392 gameMode = PlayFromGameFile;
5394 SetTrainingModeOff();
5395 DisplayInformation(_("End of game"));
5398 DisplayError(_("Incorrect move"), 0);
5403 /* Ok, now we know that the move is good, so we can kill
5404 the previous line in Analysis Mode */
5405 if ((gameMode == AnalyzeMode || gameMode == EditGame)
5406 && currentMove < forwardMostMove) {
5407 PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
5410 /* If we need the chess program but it's dead, restart it */
5411 ResurrectChessProgram();
5413 /* A user move restarts a paused game*/
5417 thinkOutput[0] = NULLCHAR;
5419 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
5421 if (gameMode == BeginningOfGame) {
5422 if (appData.noChessProgram) {
5423 gameMode = EditGame;
5427 gameMode = MachinePlaysBlack;
5430 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
5432 if (first.sendName) {
5433 sprintf(buf, "name %s\n", gameInfo.white);
5434 SendToProgram(buf, &first);
5441 /* Relay move to ICS or chess engine */
5442 if (appData.icsActive) {
5443 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
5444 gameMode == IcsExamining) {
5445 SendMoveToICS(moveType, fromX, fromY, toX, toY);
5449 if (first.sendTime && (gameMode == BeginningOfGame ||
5450 gameMode == MachinePlaysWhite ||
5451 gameMode == MachinePlaysBlack)) {
5452 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
5454 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
5455 // [HGM] book: if program might be playing, let it use book
5456 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
5457 first.maybeThinking = TRUE;
5458 } else SendMoveToProgram(forwardMostMove-1, &first);
5459 if (currentMove == cmailOldMove + 1) {
5460 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
5464 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
5468 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
5474 if (WhiteOnMove(currentMove)) {
5475 GameEnds(BlackWins, "Black mates", GE_PLAYER);
5477 GameEnds(WhiteWins, "White mates", GE_PLAYER);
5481 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
5486 case MachinePlaysBlack:
5487 case MachinePlaysWhite:
5488 /* disable certain menu options while machine is thinking */
5489 SetMachineThinkingEnables();
5496 if(bookHit) { // [HGM] book: simulate book reply
5497 static char bookMove[MSG_SIZ]; // a bit generous?
5499 programStats.nodes = programStats.depth = programStats.time =
5500 programStats.score = programStats.got_only_move = 0;
5501 sprintf(programStats.movelist, "%s (xbook)", bookHit);
5503 strcpy(bookMove, "move ");
5504 strcat(bookMove, bookHit);
5505 HandleMachineMove(bookMove, &first);
5511 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
5512 int fromX, fromY, toX, toY;
5515 /* [HGM] This routine was added to allow calling of its two logical
5516 parts from other modules in the old way. Before, UserMoveEvent()
5517 automatically called FinishMove() if the move was OK, and returned
5518 otherwise. I separated the two, in order to make it possible to
5519 slip a promotion popup in between. But that it always needs two
5520 calls, to the first part, (now called UserMoveTest() ), and to
5521 FinishMove if the first part succeeded. Calls that do not need
5522 to do anything in between, can call this routine the old way.
5524 ChessMove moveType = UserMoveTest(fromX, fromY, toX, toY, promoChar, FALSE);
5525 if(appData.debugMode) fprintf(debugFP, "moveType 4 = %d, promochar = %x\n", moveType, promoChar);
5526 if(moveType == AmbiguousMove)
5527 DrawPosition(FALSE, boards[currentMove]);
5528 else if(moveType != ImpossibleMove && moveType != Comment)
5529 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
5532 void LeftClick(ClickType clickType, int xPix, int yPix)
5535 Boolean saveAnimate;
5536 static int second = 0, promotionChoice = 0;
5537 char promoChoice = NULLCHAR;
5539 if (clickType == Press) ErrorPopDown();
5541 x = EventToSquare(xPix, BOARD_WIDTH);
5542 y = EventToSquare(yPix, BOARD_HEIGHT);
5543 if (!flipView && y >= 0) {
5544 y = BOARD_HEIGHT - 1 - y;
5546 if (flipView && x >= 0) {
5547 x = BOARD_WIDTH - 1 - x;
5550 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
5551 if(clickType == Release) return; // ignore upclick of click-click destination
5552 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
5553 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
5554 if(gameInfo.holdingsWidth &&
5555 (WhiteOnMove(currentMove)
5556 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y > 0
5557 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT-1) ) {
5558 // click in right holdings, for determining promotion piece
5559 ChessSquare p = boards[currentMove][y][x];
5560 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
5561 if(p != EmptySquare) {
5562 FinishMove(NormalMove, fromX, fromY, toX, toY, ToLower(PieceToChar(p)));
5567 DrawPosition(FALSE, boards[currentMove]);
5571 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
5572 if(clickType == Press
5573 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
5574 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
5575 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
5579 if (clickType == Press) {
5581 if (OKToStartUserMove(x, y)) {
5585 DragPieceBegin(xPix, yPix);
5586 if (appData.highlightDragging) {
5587 SetHighlights(x, y, -1, -1);
5595 if (clickType == Press && gameMode != EditPosition) {
5600 // ignore off-board to clicks
5601 if(y < 0 || x < 0) return;
5603 /* Check if clicking again on the same color piece */
5604 fromP = boards[currentMove][fromY][fromX];
5605 toP = boards[currentMove][y][x];
5606 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom;
5607 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
5608 WhitePawn <= toP && toP <= WhiteKing &&
5609 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
5610 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
5611 (BlackPawn <= fromP && fromP <= BlackKing &&
5612 BlackPawn <= toP && toP <= BlackKing &&
5613 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
5614 !(fromP == BlackKing && toP == BlackRook && frc))) {
5615 /* Clicked again on same color piece -- changed his mind */
5616 second = (x == fromX && y == fromY);
5617 if (appData.highlightDragging) {
5618 SetHighlights(x, y, -1, -1);
5622 if (OKToStartUserMove(x, y)) {
5625 DragPieceBegin(xPix, yPix);
5629 // ignore clicks on holdings
5630 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
5633 if (clickType == Release && x == fromX && y == fromY) {
5634 DragPieceEnd(xPix, yPix);
5635 if (appData.animateDragging) {
5636 /* Undo animation damage if any */
5637 DrawPosition(FALSE, NULL);
5640 /* Second up/down in same square; just abort move */
5645 ClearPremoveHighlights();
5647 /* First upclick in same square; start click-click mode */
5648 SetHighlights(x, y, -1, -1);
5653 /* we now have a different from- and (possibly off-board) to-square */
5654 /* Completed move */
5657 saveAnimate = appData.animate;
5658 if (clickType == Press) {
5659 /* Finish clickclick move */
5660 if (appData.animate || appData.highlightLastMove) {
5661 SetHighlights(fromX, fromY, toX, toY);
5666 /* Finish drag move */
5667 if (appData.highlightLastMove) {
5668 SetHighlights(fromX, fromY, toX, toY);
5672 DragPieceEnd(xPix, yPix);
5673 /* Don't animate move and drag both */
5674 appData.animate = FALSE;
5677 // moves into holding are invalid for now (later perhaps allow in EditPosition)
5678 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
5681 DrawPosition(TRUE, NULL);
5685 // off-board moves should not be highlighted
5686 if(x < 0 || x < 0) ClearHighlights();
5688 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
5689 SetHighlights(fromX, fromY, toX, toY);
5690 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
5691 // [HGM] super: promotion to captured piece selected from holdings
5692 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
5693 promotionChoice = TRUE;
5694 // kludge follows to temporarily execute move on display, without promoting yet
5695 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
5696 boards[currentMove][toY][toX] = p;
5697 DrawPosition(FALSE, boards[currentMove]);
5698 boards[currentMove][fromY][fromX] = p; // take back, but display stays
5699 boards[currentMove][toY][toX] = q;
5700 DisplayMessage("Click in holdings to choose piece", "");
5705 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
5706 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
5707 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
5710 appData.animate = saveAnimate;
5711 if (appData.animate || appData.animateDragging) {
5712 /* Undo animation damage if needed */
5713 DrawPosition(FALSE, NULL);
5717 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
5719 // char * hint = lastHint;
5720 FrontEndProgramStats stats;
5722 stats.which = cps == &first ? 0 : 1;
5723 stats.depth = cpstats->depth;
5724 stats.nodes = cpstats->nodes;
5725 stats.score = cpstats->score;
5726 stats.time = cpstats->time;
5727 stats.pv = cpstats->movelist;
5728 stats.hint = lastHint;
5729 stats.an_move_index = 0;
5730 stats.an_move_count = 0;
5732 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
5733 stats.hint = cpstats->move_name;
5734 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
5735 stats.an_move_count = cpstats->nr_moves;
5738 SetProgramStats( &stats );
5741 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
5742 { // [HGM] book: this routine intercepts moves to simulate book replies
5743 char *bookHit = NULL;
5745 //first determine if the incoming move brings opponent into his book
5746 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
5747 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
5748 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
5749 if(bookHit != NULL && !cps->bookSuspend) {
5750 // make sure opponent is not going to reply after receiving move to book position
5751 SendToProgram("force\n", cps);
5752 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
5754 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
5755 // now arrange restart after book miss
5757 // after a book hit we never send 'go', and the code after the call to this routine
5758 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
5760 if (cps->useUsermove) sprintf(buf, "usermove "); // sorry, no SAN yet :(
5761 sprintf(buf, "%s\n", bookHit); // force book move into program supposed to play it
5762 SendToProgram(buf, cps);
5763 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
5764 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
5765 SendToProgram("go\n", cps);
5766 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
5767 } else { // 'go' might be sent based on 'firstMove' after this routine returns
5768 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
5769 SendToProgram("go\n", cps);
5770 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
5772 return bookHit; // notify caller of hit, so it can take action to send move to opponent
5776 ChessProgramState *savedState;
5777 void DeferredBookMove(void)
5779 if(savedState->lastPing != savedState->lastPong)
5780 ScheduleDelayedEvent(DeferredBookMove, 10);
5782 HandleMachineMove(savedMessage, savedState);
5786 HandleMachineMove(message, cps)
5788 ChessProgramState *cps;
5790 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
5791 char realname[MSG_SIZ];
5792 int fromX, fromY, toX, toY;
5801 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
5803 * Kludge to ignore BEL characters
5805 while (*message == '\007') message++;
5808 * [HGM] engine debug message: ignore lines starting with '#' character
5810 if(cps->debug && *message == '#') return;
5813 * Look for book output
5815 if (cps == &first && bookRequested) {
5816 if (message[0] == '\t' || message[0] == ' ') {
5817 /* Part of the book output is here; append it */
5818 strcat(bookOutput, message);
5819 strcat(bookOutput, " \n");
5821 } else if (bookOutput[0] != NULLCHAR) {
5822 /* All of book output has arrived; display it */
5823 char *p = bookOutput;
5824 while (*p != NULLCHAR) {
5825 if (*p == '\t') *p = ' ';
5828 DisplayInformation(bookOutput);
5829 bookRequested = FALSE;
5830 /* Fall through to parse the current output */
5835 * Look for machine move.
5837 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
5838 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
5840 /* This method is only useful on engines that support ping */
5841 if (cps->lastPing != cps->lastPong) {
5842 if (gameMode == BeginningOfGame) {
5843 /* Extra move from before last new; ignore */
5844 if (appData.debugMode) {
5845 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
5848 if (appData.debugMode) {
5849 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
5850 cps->which, gameMode);
5853 SendToProgram("undo\n", cps);
5859 case BeginningOfGame:
5860 /* Extra move from before last reset; ignore */
5861 if (appData.debugMode) {
5862 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
5869 /* Extra move after we tried to stop. The mode test is
5870 not a reliable way of detecting this problem, but it's
5871 the best we can do on engines that don't support ping.
5873 if (appData.debugMode) {
5874 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
5875 cps->which, gameMode);
5877 SendToProgram("undo\n", cps);
5880 case MachinePlaysWhite:
5881 case IcsPlayingWhite:
5882 machineWhite = TRUE;
5885 case MachinePlaysBlack:
5886 case IcsPlayingBlack:
5887 machineWhite = FALSE;
5890 case TwoMachinesPlay:
5891 machineWhite = (cps->twoMachinesColor[0] == 'w');
5894 if (WhiteOnMove(forwardMostMove) != machineWhite) {
5895 if (appData.debugMode) {
5897 "Ignoring move out of turn by %s, gameMode %d"
5898 ", forwardMost %d\n",
5899 cps->which, gameMode, forwardMostMove);
5904 if (appData.debugMode) { int f = forwardMostMove;
5905 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
5906 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
5907 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
5909 if(cps->alphaRank) AlphaRank(machineMove, 4);
5910 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
5911 &fromX, &fromY, &toX, &toY, &promoChar)) {
5912 /* Machine move could not be parsed; ignore it. */
5913 sprintf(buf1, _("Illegal move \"%s\" from %s machine"),
5914 machineMove, cps->which);
5915 DisplayError(buf1, 0);
5916 sprintf(buf1, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
5917 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
5918 if (gameMode == TwoMachinesPlay) {
5919 GameEnds(machineWhite ? BlackWins : WhiteWins,
5925 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
5926 /* So we have to redo legality test with true e.p. status here, */
5927 /* to make sure an illegal e.p. capture does not slip through, */
5928 /* to cause a forfeit on a justified illegal-move complaint */
5929 /* of the opponent. */
5930 if( gameMode==TwoMachinesPlay && appData.testLegality
5931 && fromY != DROP_RANK /* [HGM] temporary; should still add legality test for drops */
5934 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
5935 fromY, fromX, toY, toX, promoChar);
5936 if (appData.debugMode) {
5938 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
5939 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
5940 fprintf(debugFP, "castling rights\n");
5942 if(moveType == IllegalMove) {
5943 sprintf(buf1, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
5944 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
5945 GameEnds(machineWhite ? BlackWins : WhiteWins,
5948 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
5949 /* [HGM] Kludge to handle engines that send FRC-style castling
5950 when they shouldn't (like TSCP-Gothic) */
5952 case WhiteASideCastleFR:
5953 case BlackASideCastleFR:
5955 currentMoveString[2]++;
5957 case WhiteHSideCastleFR:
5958 case BlackHSideCastleFR:
5960 currentMoveString[2]--;
5962 default: ; // nothing to do, but suppresses warning of pedantic compilers
5965 hintRequested = FALSE;
5966 lastHint[0] = NULLCHAR;
5967 bookRequested = FALSE;
5968 /* Program may be pondering now */
5969 cps->maybeThinking = TRUE;
5970 if (cps->sendTime == 2) cps->sendTime = 1;
5971 if (cps->offeredDraw) cps->offeredDraw--;
5974 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
5976 SendMoveToICS(moveType, fromX, fromY, toX, toY);
5978 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
5979 char buf[3*MSG_SIZ];
5981 sprintf(buf, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
5982 programStats.score / 100.,
5984 programStats.time / 100.,
5985 (unsigned int)programStats.nodes,
5986 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
5987 programStats.movelist);
5989 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
5993 /* currentMoveString is set as a side-effect of ParseOneMove */
5994 strcpy(machineMove, currentMoveString);
5995 strcat(machineMove, "\n");
5996 strcpy(moveList[forwardMostMove], machineMove);
5998 /* [AS] Save move info and clear stats for next move */
5999 pvInfoList[ forwardMostMove ].score = programStats.score;
6000 pvInfoList[ forwardMostMove ].depth = programStats.depth;
6001 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
6002 ClearProgramStats();
6003 thinkOutput[0] = NULLCHAR;
6004 hiddenThinkOutputState = 0;
6006 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
6008 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
6009 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
6012 while( count < adjudicateLossPlies ) {
6013 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
6016 score = -score; /* Flip score for winning side */
6019 if( score > adjudicateLossThreshold ) {
6026 if( count >= adjudicateLossPlies ) {
6027 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6029 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6030 "Xboard adjudication",
6037 if( gameMode == TwoMachinesPlay ) {
6038 // [HGM] some adjudications useful with buggy engines
6039 int k, count = 0; static int bare = 1;
6040 if(gameInfo.holdingsSize == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6043 if( appData.testLegality )
6044 { /* [HGM] Some more adjudications for obstinate engines */
6045 int NrWN=0, NrBN=0, NrWB=0, NrBB=0, NrWR=0, NrBR=0,
6046 NrWQ=0, NrBQ=0, NrW=0, NrK=0, bishopsColor = 0,
6047 NrPieces=0, NrPawns=0, PawnAdvance=0, i, j;
6048 static int moveCount = 6;
6050 char *reason = NULL;
6052 /* Count what is on board. */
6053 for(i=0; i<BOARD_HEIGHT; i++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
6054 { ChessSquare p = boards[forwardMostMove][i][j];
6058 { /* count B,N,R and other of each side */
6061 NrK++; break; // [HGM] atomic: count Kings
6065 case WhiteFerz: // [HGM] shatranj: kludge to mke it work in shatranj
6066 bishopsColor |= 1 << ((i^j)&1);
6071 case BlackFerz: // [HGM] shatranj: kludge to mke it work in shatranj
6072 bishopsColor |= 1 << ((i^j)&1);
6087 PawnAdvance += m; NrPawns++;
6089 NrPieces += (p != EmptySquare);
6090 NrW += ((int)p < (int)BlackPawn);
6091 if(gameInfo.variant == VariantXiangqi &&
6092 (p == WhiteFerz || p == WhiteAlfil || p == BlackFerz || p == BlackAlfil)) {
6093 NrPieces--; // [HGM] XQ: do not count purely defensive pieces
6094 NrW -= ((int)p < (int)BlackPawn);
6098 /* Some material-based adjudications that have to be made before stalemate test */
6099 if(gameInfo.variant == VariantAtomic && NrK < 2) {
6100 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
6101 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
6102 if(appData.checkMates) {
6103 SendMoveToProgram(forwardMostMove-1, cps->other); // make sure opponent gets move
6104 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6105 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
6106 "Xboard adjudication: King destroyed", GE_XBOARD );
6111 /* Bare King in Shatranj (loses) or Losers (wins) */
6112 if( NrW == 1 || NrPieces - NrW == 1) {
6113 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
6114 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
6115 if(appData.checkMates) {
6116 SendMoveToProgram(forwardMostMove-1, cps->other); // make sure opponent gets to see move
6117 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6118 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6119 "Xboard adjudication: Bare king", GE_XBOARD );
6123 if( gameInfo.variant == VariantShatranj && --bare < 0)
6125 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
6126 if(appData.checkMates) {
6127 /* but only adjudicate if adjudication enabled */
6128 SendMoveToProgram(forwardMostMove-1, cps->other); // make sure opponent gets move
6129 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6130 GameEnds( NrW > 1 ? WhiteWins : NrPieces - NrW > 1 ? BlackWins : GameIsDrawn,
6131 "Xboard adjudication: Bare king", GE_XBOARD );
6138 // don't wait for engine to announce game end if we can judge ourselves
6139 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
6141 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
6142 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
6143 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
6144 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
6147 reason = "Xboard adjudication: 3rd check";
6148 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
6158 reason = "Xboard adjudication: Stalemate";
6159 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
6160 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
6161 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
6162 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
6163 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
6164 boards[forwardMostMove][EP_STATUS] = NrW == NrPieces-NrW ? EP_STALEMATE :
6165 ((NrW < NrPieces-NrW) != WhiteOnMove(forwardMostMove) ?
6166 EP_CHECKMATE : EP_WINS);
6167 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
6168 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
6172 reason = "Xboard adjudication: Checkmate";
6173 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
6177 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
6179 result = GameIsDrawn; break;
6181 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
6183 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
6185 result = (ChessMove) 0;
6187 if(appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
6188 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
6189 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6190 GameEnds( result, reason, GE_XBOARD );
6194 /* Next absolutely insufficient mating material. */
6195 if( NrPieces == 2 || gameInfo.variant != VariantXiangqi &&
6196 gameInfo.variant != VariantShatranj && // [HGM] baring will remain possible
6197 (NrPieces == 3 && NrWN+NrBN+NrWB+NrBB == 1 ||
6198 NrPieces == NrBB+NrWB+2 && bishopsColor != 3)) // [HGM] all Bishops (Ferz!) same color
6199 { /* KBK, KNK, KK of KBKB with like Bishops */
6201 /* always flag draws, for judging claims */
6202 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
6204 if(appData.materialDraws) {
6205 /* but only adjudicate them if adjudication enabled */
6206 SendToProgram("force\n", cps->other); // suppress reply
6207 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see last move */
6208 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6209 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
6214 /* Then some trivial draws (only adjudicate, cannot be claimed) */
6216 ( NrWR == 1 && NrBR == 1 /* KRKR */
6217 || NrWQ==1 && NrBQ==1 /* KQKQ */
6218 || NrWN==2 || NrBN==2 /* KNNK */
6219 || NrWN+NrWB == 1 && NrBN+NrBB == 1 /* KBKN, KBKB, KNKN */
6221 if(--moveCount < 0 && appData.trivialDraws)
6222 { /* if the first 3 moves do not show a tactical win, declare draw */
6223 SendToProgram("force\n", cps->other); // suppress reply
6224 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
6225 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6226 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
6229 } else moveCount = 6;
6233 if (appData.debugMode) { int i;
6234 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
6235 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
6236 appData.drawRepeats);
6237 for( i=forwardMostMove; i>=backwardMostMove; i-- )
6238 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
6242 /* Check for rep-draws */
6244 for(k = forwardMostMove-2;
6245 k>=backwardMostMove && k>=forwardMostMove-100 &&
6246 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
6247 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
6250 if(CompareBoards(boards[k], boards[forwardMostMove])) {
6251 /* compare castling rights */
6252 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
6253 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
6254 rights++; /* King lost rights, while rook still had them */
6255 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
6256 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
6257 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
6258 rights++; /* but at least one rook lost them */
6260 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
6261 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
6263 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
6264 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
6265 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
6268 if( rights == 0 && ++count > appData.drawRepeats-2
6269 && appData.drawRepeats > 1) {
6270 /* adjudicate after user-specified nr of repeats */
6271 SendToProgram("force\n", cps->other); // suppress reply
6272 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
6273 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6274 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
6275 // [HGM] xiangqi: check for forbidden perpetuals
6276 int m, ourPerpetual = 1, hisPerpetual = 1;
6277 for(m=forwardMostMove; m>k; m-=2) {
6278 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
6279 ourPerpetual = 0; // the current mover did not always check
6280 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
6281 hisPerpetual = 0; // the opponent did not always check
6283 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
6284 ourPerpetual, hisPerpetual);
6285 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
6286 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6287 "Xboard adjudication: perpetual checking", GE_XBOARD );
6290 if(hisPerpetual && !ourPerpetual) // he is checking us, but did not repeat yet
6291 break; // (or we would have caught him before). Abort repetition-checking loop.
6292 // Now check for perpetual chases
6293 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
6294 hisPerpetual = PerpetualChase(k, forwardMostMove);
6295 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
6296 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
6297 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6298 "Xboard adjudication: perpetual chasing", GE_XBOARD );
6301 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
6302 break; // Abort repetition-checking loop.
6304 // if neither of us is checking or chasing all the time, or both are, it is draw
6306 GameEnds( GameIsDrawn, "Xboard adjudication: repetition draw", GE_XBOARD );
6309 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
6310 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
6314 /* Now we test for 50-move draws. Determine ply count */
6315 count = forwardMostMove;
6316 /* look for last irreversble move */
6317 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
6319 /* if we hit starting position, add initial plies */
6320 if( count == backwardMostMove )
6321 count -= initialRulePlies;
6322 count = forwardMostMove - count;
6324 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
6325 /* this is used to judge if draw claims are legal */
6326 if(appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
6327 SendToProgram("force\n", cps->other); // suppress reply
6328 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
6329 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6330 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
6334 /* if draw offer is pending, treat it as a draw claim
6335 * when draw condition present, to allow engines a way to
6336 * claim draws before making their move to avoid a race
6337 * condition occurring after their move
6339 if( cps->other->offeredDraw || cps->offeredDraw ) {
6341 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
6342 p = "Draw claim: 50-move rule";
6343 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
6344 p = "Draw claim: 3-fold repetition";
6345 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
6346 p = "Draw claim: insufficient mating material";
6348 SendToProgram("force\n", cps->other); // suppress reply
6349 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
6350 GameEnds( GameIsDrawn, p, GE_XBOARD );
6351 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6357 if( appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
6358 SendToProgram("force\n", cps->other); // suppress reply
6359 SendMoveToProgram(forwardMostMove-1, cps->other); /* make sure opponent gets to see move */
6360 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6362 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
6369 if (gameMode == TwoMachinesPlay) {
6370 /* [HGM] relaying draw offers moved to after reception of move */
6371 /* and interpreting offer as claim if it brings draw condition */
6372 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
6373 SendToProgram("draw\n", cps->other);
6375 if (cps->other->sendTime) {
6376 SendTimeRemaining(cps->other,
6377 cps->other->twoMachinesColor[0] == 'w');
6379 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
6380 if (firstMove && !bookHit) {
6382 if (cps->other->useColors) {
6383 SendToProgram(cps->other->twoMachinesColor, cps->other);
6385 SendToProgram("go\n", cps->other);
6387 cps->other->maybeThinking = TRUE;
6390 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6392 if (!pausing && appData.ringBellAfterMoves) {
6397 * Reenable menu items that were disabled while
6398 * machine was thinking
6400 if (gameMode != TwoMachinesPlay)
6401 SetUserThinkingEnables();
6403 // [HGM] book: after book hit opponent has received move and is now in force mode
6404 // force the book reply into it, and then fake that it outputted this move by jumping
6405 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
6407 static char bookMove[MSG_SIZ]; // a bit generous?
6409 strcpy(bookMove, "move ");
6410 strcat(bookMove, bookHit);
6413 programStats.nodes = programStats.depth = programStats.time =
6414 programStats.score = programStats.got_only_move = 0;
6415 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6417 if(cps->lastPing != cps->lastPong) {
6418 savedMessage = message; // args for deferred call
6420 ScheduleDelayedEvent(DeferredBookMove, 10);
6429 /* Set special modes for chess engines. Later something general
6430 * could be added here; for now there is just one kludge feature,
6431 * needed because Crafty 15.10 and earlier don't ignore SIGINT
6432 * when "xboard" is given as an interactive command.
6434 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
6435 cps->useSigint = FALSE;
6436 cps->useSigterm = FALSE;
6438 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
6439 ParseFeatures(message+8, cps);
6440 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
6443 /* [HGM] Allow engine to set up a position. Don't ask me why one would
6444 * want this, I was asked to put it in, and obliged.
6446 if (!strncmp(message, "setboard ", 9)) {
6447 Board initial_position;
6449 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
6451 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
6452 DisplayError(_("Bad FEN received from engine"), 0);
6456 CopyBoard(boards[0], initial_position);
6457 initialRulePlies = FENrulePlies;
6458 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
6459 else gameMode = MachinePlaysBlack;
6460 DrawPosition(FALSE, boards[currentMove]);
6466 * Look for communication commands
6468 if (!strncmp(message, "telluser ", 9)) {
6469 DisplayNote(message + 9);
6472 if (!strncmp(message, "tellusererror ", 14)) {
6474 DisplayError(message + 14, 0);
6477 if (!strncmp(message, "tellopponent ", 13)) {
6478 if (appData.icsActive) {
6480 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
6484 DisplayNote(message + 13);
6488 if (!strncmp(message, "tellothers ", 11)) {
6489 if (appData.icsActive) {
6491 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
6497 if (!strncmp(message, "tellall ", 8)) {
6498 if (appData.icsActive) {
6500 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
6504 DisplayNote(message + 8);
6508 if (strncmp(message, "warning", 7) == 0) {
6509 /* Undocumented feature, use tellusererror in new code */
6510 DisplayError(message, 0);
6513 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
6514 strcpy(realname, cps->tidy);
6515 strcat(realname, " query");
6516 AskQuestion(realname, buf2, buf1, cps->pr);
6519 /* Commands from the engine directly to ICS. We don't allow these to be
6520 * sent until we are logged on. Crafty kibitzes have been known to
6521 * interfere with the login process.
6524 if (!strncmp(message, "tellics ", 8)) {
6525 SendToICS(message + 8);
6529 if (!strncmp(message, "tellicsnoalias ", 15)) {
6530 SendToICS(ics_prefix);
6531 SendToICS(message + 15);
6535 /* The following are for backward compatibility only */
6536 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
6537 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
6538 SendToICS(ics_prefix);
6544 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
6548 * If the move is illegal, cancel it and redraw the board.
6549 * Also deal with other error cases. Matching is rather loose
6550 * here to accommodate engines written before the spec.
6552 if (strncmp(message + 1, "llegal move", 11) == 0 ||
6553 strncmp(message, "Error", 5) == 0) {
6554 if (StrStr(message, "name") ||
6555 StrStr(message, "rating") || StrStr(message, "?") ||
6556 StrStr(message, "result") || StrStr(message, "board") ||
6557 StrStr(message, "bk") || StrStr(message, "computer") ||
6558 StrStr(message, "variant") || StrStr(message, "hint") ||
6559 StrStr(message, "random") || StrStr(message, "depth") ||
6560 StrStr(message, "accepted")) {
6563 if (StrStr(message, "protover")) {
6564 /* Program is responding to input, so it's apparently done
6565 initializing, and this error message indicates it is
6566 protocol version 1. So we don't need to wait any longer
6567 for it to initialize and send feature commands. */
6568 FeatureDone(cps, 1);
6569 cps->protocolVersion = 1;
6572 cps->maybeThinking = FALSE;
6574 if (StrStr(message, "draw")) {
6575 /* Program doesn't have "draw" command */
6576 cps->sendDrawOffers = 0;
6579 if (cps->sendTime != 1 &&
6580 (StrStr(message, "time") || StrStr(message, "otim"))) {
6581 /* Program apparently doesn't have "time" or "otim" command */
6585 if (StrStr(message, "analyze")) {
6586 cps->analysisSupport = FALSE;
6587 cps->analyzing = FALSE;
6589 sprintf(buf2, _("%s does not support analysis"), cps->tidy);
6590 DisplayError(buf2, 0);
6593 if (StrStr(message, "(no matching move)st")) {
6594 /* Special kludge for GNU Chess 4 only */
6595 cps->stKludge = TRUE;
6596 SendTimeControl(cps, movesPerSession, timeControl,
6597 timeIncrement, appData.searchDepth,
6601 if (StrStr(message, "(no matching move)sd")) {
6602 /* Special kludge for GNU Chess 4 only */
6603 cps->sdKludge = TRUE;
6604 SendTimeControl(cps, movesPerSession, timeControl,
6605 timeIncrement, appData.searchDepth,
6609 if (!StrStr(message, "llegal")) {
6612 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
6613 gameMode == IcsIdle) return;
6614 if (forwardMostMove <= backwardMostMove) return;
6615 if (pausing) PauseEvent();
6616 if(appData.forceIllegal) {
6617 // [HGM] illegal: machine refused move; force position after move into it
6618 SendToProgram("force\n", cps);
6619 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
6620 // we have a real problem now, as SendBoard will use the a2a3 kludge
6621 // when black is to move, while there might be nothing on a2 or black
6622 // might already have the move. So send the board as if white has the move.
6623 // But first we must change the stm of the engine, as it refused the last move
6624 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
6625 if(WhiteOnMove(forwardMostMove)) {
6626 SendToProgram("a7a6\n", cps); // for the engine black still had the move
6627 SendBoard(cps, forwardMostMove); // kludgeless board
6629 SendToProgram("a2a3\n", cps); // for the engine white still had the move
6630 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
6631 SendBoard(cps, forwardMostMove+1); // kludgeless board
6633 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
6634 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
6635 gameMode == TwoMachinesPlay)
6636 SendToProgram("go\n", cps);
6639 if (gameMode == PlayFromGameFile) {
6640 /* Stop reading this game file */
6641 gameMode = EditGame;
6644 currentMove = --forwardMostMove;
6645 DisplayMove(currentMove-1); /* before DisplayMoveError */
6647 DisplayBothClocks();
6648 sprintf(buf1, _("Illegal move \"%s\" (rejected by %s chess program)"),
6649 parseList[currentMove], cps->which);
6650 DisplayMoveError(buf1);
6651 DrawPosition(FALSE, boards[currentMove]);
6653 /* [HGM] illegal-move claim should forfeit game when Xboard */
6654 /* only passes fully legal moves */
6655 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
6656 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
6657 "False illegal-move claim", GE_XBOARD );
6661 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
6662 /* Program has a broken "time" command that
6663 outputs a string not ending in newline.
6669 * If chess program startup fails, exit with an error message.
6670 * Attempts to recover here are futile.
6672 if ((StrStr(message, "unknown host") != NULL)
6673 || (StrStr(message, "No remote directory") != NULL)
6674 || (StrStr(message, "not found") != NULL)
6675 || (StrStr(message, "No such file") != NULL)
6676 || (StrStr(message, "can't alloc") != NULL)
6677 || (StrStr(message, "Permission denied") != NULL)) {
6679 cps->maybeThinking = FALSE;
6680 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
6681 cps->which, cps->program, cps->host, message);
6682 RemoveInputSource(cps->isr);
6683 DisplayFatalError(buf1, 0, 1);
6688 * Look for hint output
6690 if (sscanf(message, "Hint: %s", buf1) == 1) {
6691 if (cps == &first && hintRequested) {
6692 hintRequested = FALSE;
6693 if (ParseOneMove(buf1, forwardMostMove, &moveType,
6694 &fromX, &fromY, &toX, &toY, &promoChar)) {
6695 (void) CoordsToAlgebraic(boards[forwardMostMove],
6696 PosFlags(forwardMostMove),
6697 fromY, fromX, toY, toX, promoChar, buf1);
6698 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
6699 DisplayInformation(buf2);
6701 /* Hint move could not be parsed!? */
6702 snprintf(buf2, sizeof(buf2),
6703 _("Illegal hint move \"%s\"\nfrom %s chess program"),
6705 DisplayError(buf2, 0);
6708 strcpy(lastHint, buf1);
6714 * Ignore other messages if game is not in progress
6716 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
6717 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
6720 * look for win, lose, draw, or draw offer
6722 if (strncmp(message, "1-0", 3) == 0) {
6723 char *p, *q, *r = "";
6724 p = strchr(message, '{');
6732 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
6734 } else if (strncmp(message, "0-1", 3) == 0) {
6735 char *p, *q, *r = "";
6736 p = strchr(message, '{');
6744 /* Kludge for Arasan 4.1 bug */
6745 if (strcmp(r, "Black resigns") == 0) {
6746 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
6749 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
6751 } else if (strncmp(message, "1/2", 3) == 0) {
6752 char *p, *q, *r = "";
6753 p = strchr(message, '{');
6762 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
6765 } else if (strncmp(message, "White resign", 12) == 0) {
6766 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
6768 } else if (strncmp(message, "Black resign", 12) == 0) {
6769 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
6771 } else if (strncmp(message, "White matches", 13) == 0 ||
6772 strncmp(message, "Black matches", 13) == 0 ) {
6773 /* [HGM] ignore GNUShogi noises */
6775 } else if (strncmp(message, "White", 5) == 0 &&
6776 message[5] != '(' &&
6777 StrStr(message, "Black") == NULL) {
6778 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
6780 } else if (strncmp(message, "Black", 5) == 0 &&
6781 message[5] != '(') {
6782 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
6784 } else if (strcmp(message, "resign") == 0 ||
6785 strcmp(message, "computer resigns") == 0) {
6787 case MachinePlaysBlack:
6788 case IcsPlayingBlack:
6789 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
6791 case MachinePlaysWhite:
6792 case IcsPlayingWhite:
6793 GameEnds(BlackWins, "White resigns", GE_ENGINE);
6795 case TwoMachinesPlay:
6796 if (cps->twoMachinesColor[0] == 'w')
6797 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
6799 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
6806 } else if (strncmp(message, "opponent mates", 14) == 0) {
6808 case MachinePlaysBlack:
6809 case IcsPlayingBlack:
6810 GameEnds(WhiteWins, "White mates", GE_ENGINE);
6812 case MachinePlaysWhite:
6813 case IcsPlayingWhite:
6814 GameEnds(BlackWins, "Black mates", GE_ENGINE);
6816 case TwoMachinesPlay:
6817 if (cps->twoMachinesColor[0] == 'w')
6818 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
6820 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
6827 } else if (strncmp(message, "computer mates", 14) == 0) {
6829 case MachinePlaysBlack:
6830 case IcsPlayingBlack:
6831 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
6833 case MachinePlaysWhite:
6834 case IcsPlayingWhite:
6835 GameEnds(WhiteWins, "White mates", GE_ENGINE);
6837 case TwoMachinesPlay:
6838 if (cps->twoMachinesColor[0] == 'w')
6839 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
6841 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
6848 } else if (strncmp(message, "checkmate", 9) == 0) {
6849 if (WhiteOnMove(forwardMostMove)) {
6850 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
6852 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
6855 } else if (strstr(message, "Draw") != NULL ||
6856 strstr(message, "game is a draw") != NULL) {
6857 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
6859 } else if (strstr(message, "offer") != NULL &&
6860 strstr(message, "draw") != NULL) {
6862 if (appData.zippyPlay && first.initDone) {
6863 /* Relay offer to ICS */
6864 SendToICS(ics_prefix);
6865 SendToICS("draw\n");
6868 cps->offeredDraw = 2; /* valid until this engine moves twice */
6869 if (gameMode == TwoMachinesPlay) {
6870 if (cps->other->offeredDraw) {
6871 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
6872 /* [HGM] in two-machine mode we delay relaying draw offer */
6873 /* until after we also have move, to see if it is really claim */
6875 } else if (gameMode == MachinePlaysWhite ||
6876 gameMode == MachinePlaysBlack) {
6877 if (userOfferedDraw) {
6878 DisplayInformation(_("Machine accepts your draw offer"));
6879 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
6881 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
6888 * Look for thinking output
6890 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
6891 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
6893 int plylev, mvleft, mvtot, curscore, time;
6894 char mvname[MOVE_LEN];
6898 int prefixHint = FALSE;
6899 mvname[0] = NULLCHAR;
6902 case MachinePlaysBlack:
6903 case IcsPlayingBlack:
6904 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
6906 case MachinePlaysWhite:
6907 case IcsPlayingWhite:
6908 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
6913 case IcsObserving: /* [DM] icsEngineAnalyze */
6914 if (!appData.icsEngineAnalyze) ignore = TRUE;
6916 case TwoMachinesPlay:
6917 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
6928 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
6929 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
6931 if (plyext != ' ' && plyext != '\t') {
6935 /* [AS] Negate score if machine is playing black and reporting absolute scores */
6936 if( cps->scoreIsAbsolute &&
6937 ( gameMode == MachinePlaysBlack ||
6938 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
6939 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
6940 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
6941 !WhiteOnMove(currentMove)
6944 curscore = -curscore;
6948 programStats.depth = plylev;
6949 programStats.nodes = nodes;
6950 programStats.time = time;
6951 programStats.score = curscore;
6952 programStats.got_only_move = 0;
6954 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
6957 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
6958 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
6959 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
6960 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
6961 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
6962 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
6963 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
6964 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
6967 /* Buffer overflow protection */
6968 if (buf1[0] != NULLCHAR) {
6969 if (strlen(buf1) >= sizeof(programStats.movelist)
6970 && appData.debugMode) {
6972 "PV is too long; using the first %u bytes.\n",
6973 (unsigned) sizeof(programStats.movelist) - 1);
6976 safeStrCpy( programStats.movelist, buf1, sizeof(programStats.movelist) );
6978 sprintf(programStats.movelist, " no PV\n");
6981 if (programStats.seen_stat) {
6982 programStats.ok_to_send = 1;
6985 if (strchr(programStats.movelist, '(') != NULL) {
6986 programStats.line_is_book = 1;
6987 programStats.nr_moves = 0;
6988 programStats.moves_left = 0;
6990 programStats.line_is_book = 0;
6993 SendProgramStatsToFrontend( cps, &programStats );
6996 [AS] Protect the thinkOutput buffer from overflow... this
6997 is only useful if buf1 hasn't overflowed first!
6999 sprintf(thinkOutput, "[%d]%c%+.2f %s%s",
7001 (gameMode == TwoMachinesPlay ?
7002 ToUpper(cps->twoMachinesColor[0]) : ' '),
7003 ((double) curscore) / 100.0,
7004 prefixHint ? lastHint : "",
7005 prefixHint ? " " : "" );
7007 if( buf1[0] != NULLCHAR ) {
7008 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
7010 if( strlen(buf1) > max_len ) {
7011 if( appData.debugMode) {
7012 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
7014 buf1[max_len+1] = '\0';
7017 strcat( thinkOutput, buf1 );
7020 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
7021 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7022 DisplayMove(currentMove - 1);
7026 } else if ((p=StrStr(message, "(only move)")) != NULL) {
7027 /* crafty (9.25+) says "(only move) <move>"
7028 * if there is only 1 legal move
7030 sscanf(p, "(only move) %s", buf1);
7031 sprintf(thinkOutput, "%s (only move)", buf1);
7032 sprintf(programStats.movelist, "%s (only move)", buf1);
7033 programStats.depth = 1;
7034 programStats.nr_moves = 1;
7035 programStats.moves_left = 1;
7036 programStats.nodes = 1;
7037 programStats.time = 1;
7038 programStats.got_only_move = 1;
7040 /* Not really, but we also use this member to
7041 mean "line isn't going to change" (Crafty
7042 isn't searching, so stats won't change) */
7043 programStats.line_is_book = 1;
7045 SendProgramStatsToFrontend( cps, &programStats );
7047 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
7048 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7049 DisplayMove(currentMove - 1);
7052 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
7053 &time, &nodes, &plylev, &mvleft,
7054 &mvtot, mvname) >= 5) {
7055 /* The stat01: line is from Crafty (9.29+) in response
7056 to the "." command */
7057 programStats.seen_stat = 1;
7058 cps->maybeThinking = TRUE;
7060 if (programStats.got_only_move || !appData.periodicUpdates)
7063 programStats.depth = plylev;
7064 programStats.time = time;
7065 programStats.nodes = nodes;
7066 programStats.moves_left = mvleft;
7067 programStats.nr_moves = mvtot;
7068 strcpy(programStats.move_name, mvname);
7069 programStats.ok_to_send = 1;
7070 programStats.movelist[0] = '\0';
7072 SendProgramStatsToFrontend( cps, &programStats );
7076 } else if (strncmp(message,"++",2) == 0) {
7077 /* Crafty 9.29+ outputs this */
7078 programStats.got_fail = 2;
7081 } else if (strncmp(message,"--",2) == 0) {
7082 /* Crafty 9.29+ outputs this */
7083 programStats.got_fail = 1;
7086 } else if (thinkOutput[0] != NULLCHAR &&
7087 strncmp(message, " ", 4) == 0) {
7088 unsigned message_len;
7091 while (*p && *p == ' ') p++;
7093 message_len = strlen( p );
7095 /* [AS] Avoid buffer overflow */
7096 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
7097 strcat(thinkOutput, " ");
7098 strcat(thinkOutput, p);
7101 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
7102 strcat(programStats.movelist, " ");
7103 strcat(programStats.movelist, p);
7106 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
7107 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7108 DisplayMove(currentMove - 1);
7116 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7117 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
7119 ChessProgramStats cpstats;
7121 if (plyext != ' ' && plyext != '\t') {
7125 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7126 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
7127 curscore = -curscore;
7130 cpstats.depth = plylev;
7131 cpstats.nodes = nodes;
7132 cpstats.time = time;
7133 cpstats.score = curscore;
7134 cpstats.got_only_move = 0;
7135 cpstats.movelist[0] = '\0';
7137 if (buf1[0] != NULLCHAR) {
7138 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist) );
7141 cpstats.ok_to_send = 0;
7142 cpstats.line_is_book = 0;
7143 cpstats.nr_moves = 0;
7144 cpstats.moves_left = 0;
7146 SendProgramStatsToFrontend( cps, &cpstats );
7153 /* Parse a game score from the character string "game", and
7154 record it as the history of the current game. The game
7155 score is NOT assumed to start from the standard position.
7156 The display is not updated in any way.
7159 ParseGameHistory(game)
7163 int fromX, fromY, toX, toY, boardIndex;
7168 if (appData.debugMode)
7169 fprintf(debugFP, "Parsing game history: %s\n", game);
7171 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
7172 gameInfo.site = StrSave(appData.icsHost);
7173 gameInfo.date = PGNDate();
7174 gameInfo.round = StrSave("-");
7176 /* Parse out names of players */
7177 while (*game == ' ') game++;
7179 while (*game != ' ') *p++ = *game++;
7181 gameInfo.white = StrSave(buf);
7182 while (*game == ' ') game++;
7184 while (*game != ' ' && *game != '\n') *p++ = *game++;
7186 gameInfo.black = StrSave(buf);
7189 boardIndex = blackPlaysFirst ? 1 : 0;
7192 yyboardindex = boardIndex;
7193 moveType = (ChessMove) yylex();
7195 case IllegalMove: /* maybe suicide chess, etc. */
7196 if (appData.debugMode) {
7197 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
7198 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
7199 setbuf(debugFP, NULL);
7201 case WhitePromotionChancellor:
7202 case BlackPromotionChancellor:
7203 case WhitePromotionArchbishop:
7204 case BlackPromotionArchbishop:
7205 case WhitePromotionQueen:
7206 case BlackPromotionQueen:
7207 case WhitePromotionRook:
7208 case BlackPromotionRook:
7209 case WhitePromotionBishop:
7210 case BlackPromotionBishop:
7211 case WhitePromotionKnight:
7212 case BlackPromotionKnight:
7213 case WhitePromotionKing:
7214 case BlackPromotionKing:
7216 case WhiteCapturesEnPassant:
7217 case BlackCapturesEnPassant:
7218 case WhiteKingSideCastle:
7219 case WhiteQueenSideCastle:
7220 case BlackKingSideCastle:
7221 case BlackQueenSideCastle:
7222 case WhiteKingSideCastleWild:
7223 case WhiteQueenSideCastleWild:
7224 case BlackKingSideCastleWild:
7225 case BlackQueenSideCastleWild:
7227 case WhiteHSideCastleFR:
7228 case WhiteASideCastleFR:
7229 case BlackHSideCastleFR:
7230 case BlackASideCastleFR:
7232 fromX = currentMoveString[0] - AAA;
7233 fromY = currentMoveString[1] - ONE;
7234 toX = currentMoveString[2] - AAA;
7235 toY = currentMoveString[3] - ONE;
7236 promoChar = currentMoveString[4];
7240 fromX = moveType == WhiteDrop ?
7241 (int) CharToPiece(ToUpper(currentMoveString[0])) :
7242 (int) CharToPiece(ToLower(currentMoveString[0]));
7244 toX = currentMoveString[2] - AAA;
7245 toY = currentMoveString[3] - ONE;
7246 promoChar = NULLCHAR;
7250 sprintf(buf, _("Ambiguous move in ICS output: \"%s\""), yy_text);
7251 if (appData.debugMode) {
7252 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
7253 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
7254 setbuf(debugFP, NULL);
7256 DisplayError(buf, 0);
7258 case ImpossibleMove:
7260 sprintf(buf, _("Illegal move in ICS output: \"%s\""), yy_text);
7261 if (appData.debugMode) {
7262 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
7263 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
7264 setbuf(debugFP, NULL);
7266 DisplayError(buf, 0);
7268 case (ChessMove) 0: /* end of file */
7269 if (boardIndex < backwardMostMove) {
7270 /* Oops, gap. How did that happen? */
7271 DisplayError(_("Gap in move list"), 0);
7274 backwardMostMove = blackPlaysFirst ? 1 : 0;
7275 if (boardIndex > forwardMostMove) {
7276 forwardMostMove = boardIndex;
7280 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
7281 strcat(parseList[boardIndex-1], " ");
7282 strcat(parseList[boardIndex-1], yy_text);
7294 case GameUnfinished:
7295 if (gameMode == IcsExamining) {
7296 if (boardIndex < backwardMostMove) {
7297 /* Oops, gap. How did that happen? */
7300 backwardMostMove = blackPlaysFirst ? 1 : 0;
7303 gameInfo.result = moveType;
7304 p = strchr(yy_text, '{');
7305 if (p == NULL) p = strchr(yy_text, '(');
7308 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
7310 q = strchr(p, *p == '{' ? '}' : ')');
7311 if (q != NULL) *q = NULLCHAR;
7314 gameInfo.resultDetails = StrSave(p);
7317 if (boardIndex >= forwardMostMove &&
7318 !(gameMode == IcsObserving && ics_gamenum == -1)) {
7319 backwardMostMove = blackPlaysFirst ? 1 : 0;
7322 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
7323 fromY, fromX, toY, toX, promoChar,
7324 parseList[boardIndex]);
7325 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
7326 /* currentMoveString is set as a side-effect of yylex */
7327 strcpy(moveList[boardIndex], currentMoveString);
7328 strcat(moveList[boardIndex], "\n");
7330 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
7331 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
7337 if(gameInfo.variant != VariantShogi)
7338 strcat(parseList[boardIndex - 1], "+");
7342 strcat(parseList[boardIndex - 1], "#");
7349 /* Apply a move to the given board */
7351 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
7352 int fromX, fromY, toX, toY;
7356 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
7358 /* [HGM] compute & store e.p. status and castling rights for new position */
7359 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
7362 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
7363 oldEP = (signed char)board[EP_STATUS];
7364 board[EP_STATUS] = EP_NONE;
7366 if( board[toY][toX] != EmptySquare )
7367 board[EP_STATUS] = EP_CAPTURE;
7369 if( board[fromY][fromX] == WhitePawn ) {
7370 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
7371 board[EP_STATUS] = EP_PAWN_MOVE;
7373 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
7374 gameInfo.variant != VariantBerolina || toX < fromX)
7375 board[EP_STATUS] = toX | berolina;
7376 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
7377 gameInfo.variant != VariantBerolina || toX > fromX)
7378 board[EP_STATUS] = toX;
7381 if( board[fromY][fromX] == BlackPawn ) {
7382 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
7383 board[EP_STATUS] = EP_PAWN_MOVE;
7384 if( toY-fromY== -2) {
7385 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
7386 gameInfo.variant != VariantBerolina || toX < fromX)
7387 board[EP_STATUS] = toX | berolina;
7388 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
7389 gameInfo.variant != VariantBerolina || toX > fromX)
7390 board[EP_STATUS] = toX;
7394 for(i=0; i<nrCastlingRights; i++) {
7395 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
7396 board[CASTLING][i] == toX && castlingRank[i] == toY
7397 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
7402 /* [HGM] In Shatranj and Courier all promotions are to Ferz */
7403 if((gameInfo.variant==VariantShatranj || gameInfo.variant==VariantCourier)
7404 && promoChar != 0) promoChar = PieceToChar(WhiteFerz);
7406 if (fromX == toX && fromY == toY) return;
7408 if (fromY == DROP_RANK) {
7410 piece = board[toY][toX] = (ChessSquare) fromX;
7412 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
7413 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
7414 if(gameInfo.variant == VariantKnightmate)
7415 king += (int) WhiteUnicorn - (int) WhiteKing;
7417 /* Code added by Tord: */
7418 /* FRC castling assumed when king captures friendly rook. */
7419 if (board[fromY][fromX] == WhiteKing &&
7420 board[toY][toX] == WhiteRook) {
7421 board[fromY][fromX] = EmptySquare;
7422 board[toY][toX] = EmptySquare;
7424 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
7426 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
7428 } else if (board[fromY][fromX] == BlackKing &&
7429 board[toY][toX] == BlackRook) {
7430 board[fromY][fromX] = EmptySquare;
7431 board[toY][toX] = EmptySquare;
7433 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
7435 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
7437 /* End of code added by Tord */
7439 } else if (board[fromY][fromX] == king
7440 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
7441 && toY == fromY && toX > fromX+1) {
7442 board[fromY][fromX] = EmptySquare;
7443 board[toY][toX] = king;
7444 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
7445 board[fromY][BOARD_RGHT-1] = EmptySquare;
7446 } else if (board[fromY][fromX] == king
7447 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
7448 && toY == fromY && toX < fromX-1) {
7449 board[fromY][fromX] = EmptySquare;
7450 board[toY][toX] = king;
7451 board[toY][toX+1] = board[fromY][BOARD_LEFT];
7452 board[fromY][BOARD_LEFT] = EmptySquare;
7453 } else if (board[fromY][fromX] == WhitePawn
7454 && toY == BOARD_HEIGHT-1
7455 && gameInfo.variant != VariantXiangqi
7457 /* white pawn promotion */
7458 board[toY][toX] = CharToPiece(ToUpper(promoChar));
7459 if (board[toY][toX] == EmptySquare) {
7460 board[toY][toX] = WhiteQueen;
7462 if(gameInfo.variant==VariantBughouse ||
7463 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
7464 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
7465 board[fromY][fromX] = EmptySquare;
7466 } else if ((fromY == BOARD_HEIGHT-4)
7468 && gameInfo.variant != VariantXiangqi
7469 && gameInfo.variant != VariantBerolina
7470 && (board[fromY][fromX] == WhitePawn)
7471 && (board[toY][toX] == EmptySquare)) {
7472 board[fromY][fromX] = EmptySquare;
7473 board[toY][toX] = WhitePawn;
7474 captured = board[toY - 1][toX];
7475 board[toY - 1][toX] = EmptySquare;
7476 } else if ((fromY == BOARD_HEIGHT-4)
7478 && gameInfo.variant == VariantBerolina
7479 && (board[fromY][fromX] == WhitePawn)
7480 && (board[toY][toX] == EmptySquare)) {
7481 board[fromY][fromX] = EmptySquare;
7482 board[toY][toX] = WhitePawn;
7483 if(oldEP & EP_BEROLIN_A) {
7484 captured = board[fromY][fromX-1];
7485 board[fromY][fromX-1] = EmptySquare;
7486 }else{ captured = board[fromY][fromX+1];
7487 board[fromY][fromX+1] = EmptySquare;
7489 } else if (board[fromY][fromX] == king
7490 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
7491 && toY == fromY && toX > fromX+1) {
7492 board[fromY][fromX] = EmptySquare;
7493 board[toY][toX] = king;
7494 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
7495 board[fromY][BOARD_RGHT-1] = EmptySquare;
7496 } else if (board[fromY][fromX] == king
7497 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
7498 && toY == fromY && toX < fromX-1) {
7499 board[fromY][fromX] = EmptySquare;
7500 board[toY][toX] = king;
7501 board[toY][toX+1] = board[fromY][BOARD_LEFT];
7502 board[fromY][BOARD_LEFT] = EmptySquare;
7503 } else if (fromY == 7 && fromX == 3
7504 && board[fromY][fromX] == BlackKing
7505 && toY == 7 && toX == 5) {
7506 board[fromY][fromX] = EmptySquare;
7507 board[toY][toX] = BlackKing;
7508 board[fromY][7] = EmptySquare;
7509 board[toY][4] = BlackRook;
7510 } else if (fromY == 7 && fromX == 3
7511 && board[fromY][fromX] == BlackKing
7512 && toY == 7 && toX == 1) {
7513 board[fromY][fromX] = EmptySquare;
7514 board[toY][toX] = BlackKing;
7515 board[fromY][0] = EmptySquare;
7516 board[toY][2] = BlackRook;
7517 } else if (board[fromY][fromX] == BlackPawn
7519 && gameInfo.variant != VariantXiangqi
7521 /* black pawn promotion */
7522 board[0][toX] = CharToPiece(ToLower(promoChar));
7523 if (board[0][toX] == EmptySquare) {
7524 board[0][toX] = BlackQueen;
7526 if(gameInfo.variant==VariantBughouse ||
7527 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
7528 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
7529 board[fromY][fromX] = EmptySquare;
7530 } else if ((fromY == 3)
7532 && gameInfo.variant != VariantXiangqi
7533 && gameInfo.variant != VariantBerolina
7534 && (board[fromY][fromX] == BlackPawn)
7535 && (board[toY][toX] == EmptySquare)) {
7536 board[fromY][fromX] = EmptySquare;
7537 board[toY][toX] = BlackPawn;
7538 captured = board[toY + 1][toX];
7539 board[toY + 1][toX] = EmptySquare;
7540 } else if ((fromY == 3)
7542 && gameInfo.variant == VariantBerolina
7543 && (board[fromY][fromX] == BlackPawn)
7544 && (board[toY][toX] == EmptySquare)) {
7545 board[fromY][fromX] = EmptySquare;
7546 board[toY][toX] = BlackPawn;
7547 if(oldEP & EP_BEROLIN_A) {
7548 captured = board[fromY][fromX-1];
7549 board[fromY][fromX-1] = EmptySquare;
7550 }else{ captured = board[fromY][fromX+1];
7551 board[fromY][fromX+1] = EmptySquare;
7554 board[toY][toX] = board[fromY][fromX];
7555 board[fromY][fromX] = EmptySquare;
7558 /* [HGM] now we promote for Shogi, if needed */
7559 if(gameInfo.variant == VariantShogi && promoChar == 'q')
7560 board[toY][toX] = (ChessSquare) (PROMOTED piece);
7563 if (gameInfo.holdingsWidth != 0) {
7565 /* !!A lot more code needs to be written to support holdings */
7566 /* [HGM] OK, so I have written it. Holdings are stored in the */
7567 /* penultimate board files, so they are automaticlly stored */
7568 /* in the game history. */
7569 if (fromY == DROP_RANK) {
7570 /* Delete from holdings, by decreasing count */
7571 /* and erasing image if necessary */
7573 if(p < (int) BlackPawn) { /* white drop */
7574 p -= (int)WhitePawn;
7575 p = PieceToNumber((ChessSquare)p);
7576 if(p >= gameInfo.holdingsSize) p = 0;
7577 if(--board[p][BOARD_WIDTH-2] <= 0)
7578 board[p][BOARD_WIDTH-1] = EmptySquare;
7579 if((int)board[p][BOARD_WIDTH-2] < 0)
7580 board[p][BOARD_WIDTH-2] = 0;
7581 } else { /* black drop */
7582 p -= (int)BlackPawn;
7583 p = PieceToNumber((ChessSquare)p);
7584 if(p >= gameInfo.holdingsSize) p = 0;
7585 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
7586 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
7587 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
7588 board[BOARD_HEIGHT-1-p][1] = 0;
7591 if (captured != EmptySquare && gameInfo.holdingsSize > 0
7592 && gameInfo.variant != VariantBughouse ) {
7593 /* [HGM] holdings: Add to holdings, if holdings exist */
7594 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
7595 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
7596 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
7599 if (p >= (int) BlackPawn) {
7600 p -= (int)BlackPawn;
7601 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
7602 /* in Shogi restore piece to its original first */
7603 captured = (ChessSquare) (DEMOTED captured);
7606 p = PieceToNumber((ChessSquare)p);
7607 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
7608 board[p][BOARD_WIDTH-2]++;
7609 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
7611 p -= (int)WhitePawn;
7612 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
7613 captured = (ChessSquare) (DEMOTED captured);
7616 p = PieceToNumber((ChessSquare)p);
7617 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
7618 board[BOARD_HEIGHT-1-p][1]++;
7619 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
7622 } else if (gameInfo.variant == VariantAtomic) {
7623 if (captured != EmptySquare) {
7625 for (y = toY-1; y <= toY+1; y++) {
7626 for (x = toX-1; x <= toX+1; x++) {
7627 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
7628 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
7629 board[y][x] = EmptySquare;
7633 board[toY][toX] = EmptySquare;
7636 if(gameInfo.variant == VariantShogi && promoChar != NULLCHAR && promoChar != '=') {
7637 /* [HGM] Shogi promotions */
7638 board[toY][toX] = (ChessSquare) (PROMOTED piece);
7641 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
7642 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
7643 // [HGM] superchess: take promotion piece out of holdings
7644 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
7645 if((int)piece < (int)BlackPawn) { // determine stm from piece color
7646 if(!--board[k][BOARD_WIDTH-2])
7647 board[k][BOARD_WIDTH-1] = EmptySquare;
7649 if(!--board[BOARD_HEIGHT-1-k][1])
7650 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
7656 /* Updates forwardMostMove */
7658 MakeMove(fromX, fromY, toX, toY, promoChar)
7659 int fromX, fromY, toX, toY;
7662 // forwardMostMove++; // [HGM] bare: moved downstream
7664 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
7665 int timeLeft; static int lastLoadFlag=0; int king, piece;
7666 piece = boards[forwardMostMove][fromY][fromX];
7667 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
7668 if(gameInfo.variant == VariantKnightmate)
7669 king += (int) WhiteUnicorn - (int) WhiteKing;
7670 if(forwardMostMove == 0) {
7672 fprintf(serverMoves, "%s;", second.tidy);
7673 fprintf(serverMoves, "%s;", first.tidy);
7674 if(!blackPlaysFirst)
7675 fprintf(serverMoves, "%s;", second.tidy);
7676 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
7677 lastLoadFlag = loadFlag;
7679 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
7680 // print castling suffix
7681 if( toY == fromY && piece == king ) {
7683 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
7685 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
7688 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
7689 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
7690 boards[forwardMostMove][toY][toX] == EmptySquare
7692 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
7694 if(promoChar != NULLCHAR)
7695 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
7697 fprintf(serverMoves, "/%d/%d",
7698 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
7699 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
7700 else timeLeft = blackTimeRemaining/1000;
7701 fprintf(serverMoves, "/%d", timeLeft);
7703 fflush(serverMoves);
7706 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
7707 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
7711 if (commentList[forwardMostMove+1] != NULL) {
7712 free(commentList[forwardMostMove+1]);
7713 commentList[forwardMostMove+1] = NULL;
7715 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7716 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
7717 forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
7718 SwitchClocks(); // uses forwardMostMove, so must be done after incrementing it !
7719 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
7720 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
7721 gameInfo.result = GameUnfinished;
7722 if (gameInfo.resultDetails != NULL) {
7723 free(gameInfo.resultDetails);
7724 gameInfo.resultDetails = NULL;
7726 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
7727 moveList[forwardMostMove - 1]);
7728 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
7729 PosFlags(forwardMostMove - 1),
7730 fromY, fromX, toY, toX, promoChar,
7731 parseList[forwardMostMove - 1]);
7732 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7738 if(gameInfo.variant != VariantShogi)
7739 strcat(parseList[forwardMostMove - 1], "+");
7743 strcat(parseList[forwardMostMove - 1], "#");
7746 if (appData.debugMode) {
7747 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
7752 /* Updates currentMove if not pausing */
7754 ShowMove(fromX, fromY, toX, toY)
7756 int instant = (gameMode == PlayFromGameFile) ?
7757 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
7758 if(appData.noGUI) return;
7759 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
7761 if (forwardMostMove == currentMove + 1) {
7762 AnimateMove(boards[forwardMostMove - 1],
7763 fromX, fromY, toX, toY);
7765 if (appData.highlightLastMove) {
7766 SetHighlights(fromX, fromY, toX, toY);
7769 currentMove = forwardMostMove;
7772 if (instant) return;
7774 DisplayMove(currentMove - 1);
7775 DrawPosition(FALSE, boards[currentMove]);
7776 DisplayBothClocks();
7777 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
7780 void SendEgtPath(ChessProgramState *cps)
7781 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
7782 char buf[MSG_SIZ], name[MSG_SIZ], *p;
7784 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
7787 char c, *q = name+1, *r, *s;
7789 name[0] = ','; // extract next format name from feature and copy with prefixed ','
7790 while(*p && *p != ',') *q++ = *p++;
7792 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
7793 strcmp(name, ",nalimov:") == 0 ) {
7794 // take nalimov path from the menu-changeable option first, if it is defined
7795 sprintf(buf, "egtpath nalimov %s\n", appData.defaultPathEGTB);
7796 SendToProgram(buf,cps); // send egtbpath command for nalimov
7798 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
7799 (s = StrStr(appData.egtFormats, name)) != NULL) {
7800 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
7801 s = r = StrStr(s, ":") + 1; // beginning of path info
7802 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
7803 c = *r; *r = 0; // temporarily null-terminate path info
7804 *--q = 0; // strip of trailig ':' from name
7805 sprintf(buf, "egtpath %s %s\n", name+1, s);
7807 SendToProgram(buf,cps); // send egtbpath command for this format
7809 if(*p == ',') p++; // read away comma to position for next format name
7814 InitChessProgram(cps, setup)
7815 ChessProgramState *cps;
7816 int setup; /* [HGM] needed to setup FRC opening position */
7818 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
7819 if (appData.noChessProgram) return;
7820 hintRequested = FALSE;
7821 bookRequested = FALSE;
7823 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
7824 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
7825 if(cps->memSize) { /* [HGM] memory */
7826 sprintf(buf, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
7827 SendToProgram(buf, cps);
7829 SendEgtPath(cps); /* [HGM] EGT */
7830 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
7831 sprintf(buf, "cores %d\n", appData.smpCores);
7832 SendToProgram(buf, cps);
7835 SendToProgram(cps->initString, cps);
7836 if (gameInfo.variant != VariantNormal &&
7837 gameInfo.variant != VariantLoadable
7838 /* [HGM] also send variant if board size non-standard */
7839 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
7841 char *v = VariantName(gameInfo.variant);
7842 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
7843 /* [HGM] in protocol 1 we have to assume all variants valid */
7844 sprintf(buf, _("Variant %s not supported by %s"), v, cps->tidy);
7845 DisplayFatalError(buf, 0, 1);
7849 /* [HGM] make prefix for non-standard board size. Awkward testing... */
7850 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
7851 if( gameInfo.variant == VariantXiangqi )
7852 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
7853 if( gameInfo.variant == VariantShogi )
7854 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
7855 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
7856 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
7857 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
7858 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
7859 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
7860 if( gameInfo.variant == VariantCourier )
7861 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
7862 if( gameInfo.variant == VariantSuper )
7863 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
7864 if( gameInfo.variant == VariantGreat )
7865 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
7868 sprintf(b, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
7869 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
7870 /* [HGM] varsize: try first if this defiant size variant is specifically known */
7871 if(StrStr(cps->variants, b) == NULL) {
7872 // specific sized variant not known, check if general sizing allowed
7873 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
7874 if(StrStr(cps->variants, "boardsize") == NULL) {
7875 sprintf(buf, "Board size %dx%d+%d not supported by %s",
7876 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
7877 DisplayFatalError(buf, 0, 1);
7880 /* [HGM] here we really should compare with the maximum supported board size */
7883 } else sprintf(b, "%s", VariantName(gameInfo.variant));
7884 sprintf(buf, "variant %s\n", b);
7885 SendToProgram(buf, cps);
7887 currentlyInitializedVariant = gameInfo.variant;
7889 /* [HGM] send opening position in FRC to first engine */
7891 SendToProgram("force\n", cps);
7893 /* engine is now in force mode! Set flag to wake it up after first move. */
7894 setboardSpoiledMachineBlack = 1;
7898 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
7899 SendToProgram(buf, cps);
7901 cps->maybeThinking = FALSE;
7902 cps->offeredDraw = 0;
7903 if (!appData.icsActive) {
7904 SendTimeControl(cps, movesPerSession, timeControl,
7905 timeIncrement, appData.searchDepth,
7908 if (appData.showThinking
7909 // [HGM] thinking: four options require thinking output to be sent
7910 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7912 SendToProgram("post\n", cps);
7914 SendToProgram("hard\n", cps);
7915 if (!appData.ponderNextMove) {
7916 /* Warning: "easy" is a toggle in GNU Chess, so don't send
7917 it without being sure what state we are in first. "hard"
7918 is not a toggle, so that one is OK.
7920 SendToProgram("easy\n", cps);
7923 sprintf(buf, "ping %d\n", ++cps->lastPing);
7924 SendToProgram(buf, cps);
7926 cps->initDone = TRUE;
7931 StartChessProgram(cps)
7932 ChessProgramState *cps;
7937 if (appData.noChessProgram) return;
7938 cps->initDone = FALSE;
7940 if (strcmp(cps->host, "localhost") == 0) {
7941 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
7942 } else if (*appData.remoteShell == NULLCHAR) {
7943 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
7945 if (*appData.remoteUser == NULLCHAR) {
7946 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
7949 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
7950 cps->host, appData.remoteUser, cps->program);
7952 err = StartChildProcess(buf, "", &cps->pr);
7956 sprintf(buf, _("Startup failure on '%s'"), cps->program);
7957 DisplayFatalError(buf, err, 1);
7963 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
7964 if (cps->protocolVersion > 1) {
7965 sprintf(buf, "xboard\nprotover %d\n", cps->protocolVersion);
7966 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
7967 cps->comboCnt = 0; // and values of combo boxes
7968 SendToProgram(buf, cps);
7970 SendToProgram("xboard\n", cps);
7976 TwoMachinesEventIfReady P((void))
7978 if (first.lastPing != first.lastPong) {
7979 DisplayMessage("", _("Waiting for first chess program"));
7980 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
7983 if (second.lastPing != second.lastPong) {
7984 DisplayMessage("", _("Waiting for second chess program"));
7985 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
7993 NextMatchGame P((void))
7995 int index; /* [HGM] autoinc: step load index during match */
7997 if (*appData.loadGameFile != NULLCHAR) {
7998 index = appData.loadGameIndex;
7999 if(index < 0) { // [HGM] autoinc
8000 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8001 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8003 LoadGameFromFile(appData.loadGameFile,
8005 appData.loadGameFile, FALSE);
8006 } else if (*appData.loadPositionFile != NULLCHAR) {
8007 index = appData.loadPositionIndex;
8008 if(index < 0) { // [HGM] autoinc
8009 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8010 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8012 LoadPositionFromFile(appData.loadPositionFile,
8014 appData.loadPositionFile);
8016 TwoMachinesEventIfReady();
8019 void UserAdjudicationEvent( int result )
8021 ChessMove gameResult = GameIsDrawn;
8024 gameResult = WhiteWins;
8026 else if( result < 0 ) {
8027 gameResult = BlackWins;
8030 if( gameMode == TwoMachinesPlay ) {
8031 GameEnds( gameResult, "User adjudication", GE_XBOARD );
8036 // [HGM] save: calculate checksum of game to make games easily identifiable
8037 int StringCheckSum(char *s)
8040 if(s==NULL) return 0;
8041 while(*s) i = i*259 + *s++;
8048 for(i=backwardMostMove; i<forwardMostMove; i++) {
8049 sum += pvInfoList[i].depth;
8050 sum += StringCheckSum(parseList[i]);
8051 sum += StringCheckSum(commentList[i]);
8054 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
8055 return sum + StringCheckSum(commentList[i]);
8056 } // end of save patch
8059 GameEnds(result, resultDetails, whosays)
8061 char *resultDetails;
8064 GameMode nextGameMode;
8068 if(endingGame) return; /* [HGM] crash: forbid recursion */
8071 if (appData.debugMode) {
8072 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
8073 result, resultDetails ? resultDetails : "(null)", whosays);
8076 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
8077 /* If we are playing on ICS, the server decides when the
8078 game is over, but the engine can offer to draw, claim
8082 if (appData.zippyPlay && first.initDone) {
8083 if (result == GameIsDrawn) {
8084 /* In case draw still needs to be claimed */
8085 SendToICS(ics_prefix);
8086 SendToICS("draw\n");
8087 } else if (StrCaseStr(resultDetails, "resign")) {
8088 SendToICS(ics_prefix);
8089 SendToICS("resign\n");
8093 endingGame = 0; /* [HGM] crash */
8097 /* If we're loading the game from a file, stop */
8098 if (whosays == GE_FILE) {
8099 (void) StopLoadGameTimer();
8103 /* Cancel draw offers */
8104 first.offeredDraw = second.offeredDraw = 0;
8106 /* If this is an ICS game, only ICS can really say it's done;
8107 if not, anyone can. */
8108 isIcsGame = (gameMode == IcsPlayingWhite ||
8109 gameMode == IcsPlayingBlack ||
8110 gameMode == IcsObserving ||
8111 gameMode == IcsExamining);
8113 if (!isIcsGame || whosays == GE_ICS) {
8114 /* OK -- not an ICS game, or ICS said it was done */
8116 if (!isIcsGame && !appData.noChessProgram)
8117 SetUserThinkingEnables();
8119 /* [HGM] if a machine claims the game end we verify this claim */
8120 if(gameMode == TwoMachinesPlay && appData.testClaims) {
8121 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
8123 ChessMove trueResult = (ChessMove) -1;
8125 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
8126 first.twoMachinesColor[0] :
8127 second.twoMachinesColor[0] ;
8129 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
8130 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
8131 /* [HGM] verify: engine mate claims accepted if they were flagged */
8132 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
8134 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
8135 /* [HGM] verify: engine mate claims accepted if they were flagged */
8136 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8138 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
8139 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
8142 // now verify win claims, but not in drop games, as we don't understand those yet
8143 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
8144 || gameInfo.variant == VariantGreat) &&
8145 (result == WhiteWins && claimer == 'w' ||
8146 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
8147 if (appData.debugMode) {
8148 fprintf(debugFP, "result=%d sp=%d move=%d\n",
8149 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
8151 if(result != trueResult) {
8152 sprintf(buf, "False win claim: '%s'", resultDetails);
8153 result = claimer == 'w' ? BlackWins : WhiteWins;
8154 resultDetails = buf;
8157 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
8158 && (forwardMostMove <= backwardMostMove ||
8159 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
8160 (claimer=='b')==(forwardMostMove&1))
8162 /* [HGM] verify: draws that were not flagged are false claims */
8163 sprintf(buf, "False draw claim: '%s'", resultDetails);
8164 result = claimer == 'w' ? BlackWins : WhiteWins;
8165 resultDetails = buf;
8167 /* (Claiming a loss is accepted no questions asked!) */
8169 /* [HGM] bare: don't allow bare King to win */
8170 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8171 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
8172 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
8173 && result != GameIsDrawn)
8174 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
8175 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
8176 int p = (signed char)boards[forwardMostMove][i][j] - color;
8177 if(p >= 0 && p <= (int)WhiteKing) k++;
8179 if (appData.debugMode) {
8180 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
8181 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
8184 result = GameIsDrawn;
8185 sprintf(buf, "%s but bare king", resultDetails);
8186 resultDetails = buf;
8192 if(serverMoves != NULL && !loadFlag) { char c = '=';
8193 if(result==WhiteWins) c = '+';
8194 if(result==BlackWins) c = '-';
8195 if(resultDetails != NULL)
8196 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
8198 if (resultDetails != NULL) {
8199 gameInfo.result = result;
8200 gameInfo.resultDetails = StrSave(resultDetails);
8202 /* display last move only if game was not loaded from file */
8203 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
8204 DisplayMove(currentMove - 1);
8206 if (forwardMostMove != 0) {
8207 if (gameMode != PlayFromGameFile && gameMode != EditGame
8208 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
8210 if (*appData.saveGameFile != NULLCHAR) {
8211 SaveGameToFile(appData.saveGameFile, TRUE);
8212 } else if (appData.autoSaveGames) {
8215 if (*appData.savePositionFile != NULLCHAR) {
8216 SavePositionToFile(appData.savePositionFile);
8221 /* Tell program how game ended in case it is learning */
8222 /* [HGM] Moved this to after saving the PGN, just in case */
8223 /* engine died and we got here through time loss. In that */
8224 /* case we will get a fatal error writing the pipe, which */
8225 /* would otherwise lose us the PGN. */
8226 /* [HGM] crash: not needed anymore, but doesn't hurt; */
8227 /* output during GameEnds should never be fatal anymore */
8228 if (gameMode == MachinePlaysWhite ||
8229 gameMode == MachinePlaysBlack ||
8230 gameMode == TwoMachinesPlay ||
8231 gameMode == IcsPlayingWhite ||
8232 gameMode == IcsPlayingBlack ||
8233 gameMode == BeginningOfGame) {
8235 sprintf(buf, "result %s {%s}\n", PGNResult(result),
8237 if (first.pr != NoProc) {
8238 SendToProgram(buf, &first);
8240 if (second.pr != NoProc &&
8241 gameMode == TwoMachinesPlay) {
8242 SendToProgram(buf, &second);
8247 if (appData.icsActive) {
8248 if (appData.quietPlay &&
8249 (gameMode == IcsPlayingWhite ||
8250 gameMode == IcsPlayingBlack)) {
8251 SendToICS(ics_prefix);
8252 SendToICS("set shout 1\n");
8254 nextGameMode = IcsIdle;
8255 ics_user_moved = FALSE;
8256 /* clean up premove. It's ugly when the game has ended and the
8257 * premove highlights are still on the board.
8261 ClearPremoveHighlights();
8262 DrawPosition(FALSE, boards[currentMove]);
8264 if (whosays == GE_ICS) {
8267 if (gameMode == IcsPlayingWhite)
8269 else if(gameMode == IcsPlayingBlack)
8273 if (gameMode == IcsPlayingBlack)
8275 else if(gameMode == IcsPlayingWhite)
8282 PlayIcsUnfinishedSound();
8285 } else if (gameMode == EditGame ||
8286 gameMode == PlayFromGameFile ||
8287 gameMode == AnalyzeMode ||
8288 gameMode == AnalyzeFile) {
8289 nextGameMode = gameMode;
8291 nextGameMode = EndOfGame;
8296 nextGameMode = gameMode;
8299 if (appData.noChessProgram) {
8300 gameMode = nextGameMode;
8302 endingGame = 0; /* [HGM] crash */
8307 /* Put first chess program into idle state */
8308 if (first.pr != NoProc &&
8309 (gameMode == MachinePlaysWhite ||
8310 gameMode == MachinePlaysBlack ||
8311 gameMode == TwoMachinesPlay ||
8312 gameMode == IcsPlayingWhite ||
8313 gameMode == IcsPlayingBlack ||
8314 gameMode == BeginningOfGame)) {
8315 SendToProgram("force\n", &first);
8316 if (first.usePing) {
8318 sprintf(buf, "ping %d\n", ++first.lastPing);
8319 SendToProgram(buf, &first);
8322 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
8323 /* Kill off first chess program */
8324 if (first.isr != NULL)
8325 RemoveInputSource(first.isr);
8328 if (first.pr != NoProc) {
8330 DoSleep( appData.delayBeforeQuit );
8331 SendToProgram("quit\n", &first);
8332 DoSleep( appData.delayAfterQuit );
8333 DestroyChildProcess(first.pr, first.useSigterm);
8338 /* Put second chess program into idle state */
8339 if (second.pr != NoProc &&
8340 gameMode == TwoMachinesPlay) {
8341 SendToProgram("force\n", &second);
8342 if (second.usePing) {
8344 sprintf(buf, "ping %d\n", ++second.lastPing);
8345 SendToProgram(buf, &second);
8348 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
8349 /* Kill off second chess program */
8350 if (second.isr != NULL)
8351 RemoveInputSource(second.isr);
8354 if (second.pr != NoProc) {
8355 DoSleep( appData.delayBeforeQuit );
8356 SendToProgram("quit\n", &second);
8357 DoSleep( appData.delayAfterQuit );
8358 DestroyChildProcess(second.pr, second.useSigterm);
8363 if (matchMode && gameMode == TwoMachinesPlay) {
8366 if (first.twoMachinesColor[0] == 'w') {
8373 if (first.twoMachinesColor[0] == 'b') {
8382 if (matchGame < appData.matchGames) {
8384 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
8385 tmp = first.twoMachinesColor;
8386 first.twoMachinesColor = second.twoMachinesColor;
8387 second.twoMachinesColor = tmp;
8389 gameMode = nextGameMode;
8391 if(appData.matchPause>10000 || appData.matchPause<10)
8392 appData.matchPause = 10000; /* [HGM] make pause adjustable */
8393 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
8394 endingGame = 0; /* [HGM] crash */
8398 gameMode = nextGameMode;
8399 sprintf(buf, _("Match %s vs. %s: final score %d-%d-%d"),
8400 first.tidy, second.tidy,
8401 first.matchWins, second.matchWins,
8402 appData.matchGames - (first.matchWins + second.matchWins));
8403 DisplayFatalError(buf, 0, 0);
8406 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
8407 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
8409 gameMode = nextGameMode;
8411 endingGame = 0; /* [HGM] crash */
8414 /* Assumes program was just initialized (initString sent).
8415 Leaves program in force mode. */
8417 FeedMovesToProgram(cps, upto)
8418 ChessProgramState *cps;
8423 if (appData.debugMode)
8424 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
8425 startedFromSetupPosition ? "position and " : "",
8426 backwardMostMove, upto, cps->which);
8427 if(currentlyInitializedVariant != gameInfo.variant) { char buf[MSG_SIZ];
8428 // [HGM] variantswitch: make engine aware of new variant
8429 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
8430 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
8431 sprintf(buf, "variant %s\n", VariantName(gameInfo.variant));
8432 SendToProgram(buf, cps);
8433 currentlyInitializedVariant = gameInfo.variant;
8435 SendToProgram("force\n", cps);
8436 if (startedFromSetupPosition) {
8437 SendBoard(cps, backwardMostMove);
8438 if (appData.debugMode) {
8439 fprintf(debugFP, "feedMoves\n");
8442 for (i = backwardMostMove; i < upto; i++) {
8443 SendMoveToProgram(i, cps);
8449 ResurrectChessProgram()
8451 /* The chess program may have exited.
8452 If so, restart it and feed it all the moves made so far. */
8454 if (appData.noChessProgram || first.pr != NoProc) return;
8456 StartChessProgram(&first);
8457 InitChessProgram(&first, FALSE);
8458 FeedMovesToProgram(&first, currentMove);
8460 if (!first.sendTime) {
8461 /* can't tell gnuchess what its clock should read,
8462 so we bow to its notion. */
8464 timeRemaining[0][currentMove] = whiteTimeRemaining;
8465 timeRemaining[1][currentMove] = blackTimeRemaining;
8468 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
8469 appData.icsEngineAnalyze) && first.analysisSupport) {
8470 SendToProgram("analyze\n", &first);
8471 first.analyzing = TRUE;
8484 if (appData.debugMode) {
8485 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
8486 redraw, init, gameMode);
8488 CleanupTail(); // [HGM] vari: delete any stored variations
8489 pausing = pauseExamInvalid = FALSE;
8490 startedFromSetupPosition = blackPlaysFirst = FALSE;
8492 whiteFlag = blackFlag = FALSE;
8493 userOfferedDraw = FALSE;
8494 hintRequested = bookRequested = FALSE;
8495 first.maybeThinking = FALSE;
8496 second.maybeThinking = FALSE;
8497 first.bookSuspend = FALSE; // [HGM] book
8498 second.bookSuspend = FALSE;
8499 thinkOutput[0] = NULLCHAR;
8500 lastHint[0] = NULLCHAR;
8501 ClearGameInfo(&gameInfo);
8502 gameInfo.variant = StringToVariant(appData.variant);
8503 ics_user_moved = ics_clock_paused = FALSE;
8504 ics_getting_history = H_FALSE;
8506 white_holding[0] = black_holding[0] = NULLCHAR;
8507 ClearProgramStats();
8508 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
8512 flipView = appData.flipView;
8513 ClearPremoveHighlights();
8515 alarmSounded = FALSE;
8517 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
8518 if(appData.serverMovesName != NULL) {
8519 /* [HGM] prepare to make moves file for broadcasting */
8520 clock_t t = clock();
8521 if(serverMoves != NULL) fclose(serverMoves);
8522 serverMoves = fopen(appData.serverMovesName, "r");
8523 if(serverMoves != NULL) {
8524 fclose(serverMoves);
8525 /* delay 15 sec before overwriting, so all clients can see end */
8526 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
8528 serverMoves = fopen(appData.serverMovesName, "w");
8532 gameMode = BeginningOfGame;
8534 if(appData.icsActive) gameInfo.variant = VariantNormal;
8535 currentMove = forwardMostMove = backwardMostMove = 0;
8536 InitPosition(redraw);
8537 for (i = 0; i < MAX_MOVES; i++) {
8538 if (commentList[i] != NULL) {
8539 free(commentList[i]);
8540 commentList[i] = NULL;
8544 timeRemaining[0][0] = whiteTimeRemaining;
8545 timeRemaining[1][0] = blackTimeRemaining;
8546 if (first.pr == NULL) {
8547 StartChessProgram(&first);
8550 InitChessProgram(&first, startedFromSetupPosition);
8553 DisplayMessage("", "");
8554 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
8555 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
8562 if (!AutoPlayOneMove())
8564 if (matchMode || appData.timeDelay == 0)
8566 if (appData.timeDelay < 0 || gameMode == AnalyzeFile)
8568 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
8577 int fromX, fromY, toX, toY;
8579 if (appData.debugMode) {
8580 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
8583 if (gameMode != PlayFromGameFile)
8586 if (currentMove >= forwardMostMove) {
8587 gameMode = EditGame;
8590 /* [AS] Clear current move marker at the end of a game */
8591 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
8596 toX = moveList[currentMove][2] - AAA;
8597 toY = moveList[currentMove][3] - ONE;
8599 if (moveList[currentMove][1] == '@') {
8600 if (appData.highlightLastMove) {
8601 SetHighlights(-1, -1, toX, toY);
8604 fromX = moveList[currentMove][0] - AAA;
8605 fromY = moveList[currentMove][1] - ONE;
8607 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
8609 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
8611 if (appData.highlightLastMove) {
8612 SetHighlights(fromX, fromY, toX, toY);
8615 DisplayMove(currentMove);
8616 SendMoveToProgram(currentMove++, &first);
8617 DisplayBothClocks();
8618 DrawPosition(FALSE, boards[currentMove]);
8619 // [HGM] PV info: always display, routine tests if empty
8620 DisplayComment(currentMove - 1, commentList[currentMove]);
8626 LoadGameOneMove(readAhead)
8627 ChessMove readAhead;
8629 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
8630 char promoChar = NULLCHAR;
8635 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
8636 gameMode != AnalyzeMode && gameMode != Training) {
8641 yyboardindex = forwardMostMove;
8642 if (readAhead != (ChessMove)0) {
8643 moveType = readAhead;
8645 if (gameFileFP == NULL)
8647 moveType = (ChessMove) yylex();
8653 if (appData.debugMode)
8654 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
8657 /* append the comment but don't display it */
8658 AppendComment(currentMove, p, FALSE);
8661 case WhiteCapturesEnPassant:
8662 case BlackCapturesEnPassant:
8663 case WhitePromotionChancellor:
8664 case BlackPromotionChancellor:
8665 case WhitePromotionArchbishop:
8666 case BlackPromotionArchbishop:
8667 case WhitePromotionCentaur:
8668 case BlackPromotionCentaur:
8669 case WhitePromotionQueen:
8670 case BlackPromotionQueen:
8671 case WhitePromotionRook:
8672 case BlackPromotionRook:
8673 case WhitePromotionBishop:
8674 case BlackPromotionBishop:
8675 case WhitePromotionKnight:
8676 case BlackPromotionKnight:
8677 case WhitePromotionKing:
8678 case BlackPromotionKing:
8680 case WhiteKingSideCastle:
8681 case WhiteQueenSideCastle:
8682 case BlackKingSideCastle:
8683 case BlackQueenSideCastle:
8684 case WhiteKingSideCastleWild:
8685 case WhiteQueenSideCastleWild:
8686 case BlackKingSideCastleWild:
8687 case BlackQueenSideCastleWild:
8689 case WhiteHSideCastleFR:
8690 case WhiteASideCastleFR:
8691 case BlackHSideCastleFR:
8692 case BlackASideCastleFR:
8694 if (appData.debugMode)
8695 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
8696 fromX = currentMoveString[0] - AAA;
8697 fromY = currentMoveString[1] - ONE;
8698 toX = currentMoveString[2] - AAA;
8699 toY = currentMoveString[3] - ONE;
8700 promoChar = currentMoveString[4];
8705 if (appData.debugMode)
8706 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
8707 fromX = moveType == WhiteDrop ?
8708 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8709 (int) CharToPiece(ToLower(currentMoveString[0]));
8711 toX = currentMoveString[2] - AAA;
8712 toY = currentMoveString[3] - ONE;
8718 case GameUnfinished:
8719 if (appData.debugMode)
8720 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
8721 p = strchr(yy_text, '{');
8722 if (p == NULL) p = strchr(yy_text, '(');
8725 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8727 q = strchr(p, *p == '{' ? '}' : ')');
8728 if (q != NULL) *q = NULLCHAR;
8731 GameEnds(moveType, p, GE_FILE);
8733 if (cmailMsgLoaded) {
8735 flipView = WhiteOnMove(currentMove);
8736 if (moveType == GameUnfinished) flipView = !flipView;
8737 if (appData.debugMode)
8738 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
8742 case (ChessMove) 0: /* end of file */
8743 if (appData.debugMode)
8744 fprintf(debugFP, "Parser hit end of file\n");
8745 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
8751 if (WhiteOnMove(currentMove)) {
8752 GameEnds(BlackWins, "Black mates", GE_FILE);
8754 GameEnds(WhiteWins, "White mates", GE_FILE);
8758 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
8765 if (lastLoadGameStart == GNUChessGame) {
8766 /* GNUChessGames have numbers, but they aren't move numbers */
8767 if (appData.debugMode)
8768 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
8769 yy_text, (int) moveType);
8770 return LoadGameOneMove((ChessMove)0); /* tail recursion */
8772 /* else fall thru */
8777 /* Reached start of next game in file */
8778 if (appData.debugMode)
8779 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
8780 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
8786 if (WhiteOnMove(currentMove)) {
8787 GameEnds(BlackWins, "Black mates", GE_FILE);
8789 GameEnds(WhiteWins, "White mates", GE_FILE);
8793 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
8799 case PositionDiagram: /* should not happen; ignore */
8800 case ElapsedTime: /* ignore */
8801 case NAG: /* ignore */
8802 if (appData.debugMode)
8803 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
8804 yy_text, (int) moveType);
8805 return LoadGameOneMove((ChessMove)0); /* tail recursion */
8808 if (appData.testLegality) {
8809 if (appData.debugMode)
8810 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
8811 sprintf(move, _("Illegal move: %d.%s%s"),
8812 (forwardMostMove / 2) + 1,
8813 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
8814 DisplayError(move, 0);
8817 if (appData.debugMode)
8818 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
8819 yy_text, currentMoveString);
8820 fromX = currentMoveString[0] - AAA;
8821 fromY = currentMoveString[1] - ONE;
8822 toX = currentMoveString[2] - AAA;
8823 toY = currentMoveString[3] - ONE;
8824 promoChar = currentMoveString[4];
8829 if (appData.debugMode)
8830 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
8831 sprintf(move, _("Ambiguous move: %d.%s%s"),
8832 (forwardMostMove / 2) + 1,
8833 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
8834 DisplayError(move, 0);
8839 case ImpossibleMove:
8840 if (appData.debugMode)
8841 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
8842 sprintf(move, _("Illegal move: %d.%s%s"),
8843 (forwardMostMove / 2) + 1,
8844 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
8845 DisplayError(move, 0);
8851 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
8852 DrawPosition(FALSE, boards[currentMove]);
8853 DisplayBothClocks();
8854 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
8855 DisplayComment(currentMove - 1, commentList[currentMove]);
8857 (void) StopLoadGameTimer();
8859 cmailOldMove = forwardMostMove;
8862 /* currentMoveString is set as a side-effect of yylex */
8863 strcat(currentMoveString, "\n");
8864 strcpy(moveList[forwardMostMove], currentMoveString);
8866 thinkOutput[0] = NULLCHAR;
8867 MakeMove(fromX, fromY, toX, toY, promoChar);
8868 currentMove = forwardMostMove;
8873 /* Load the nth game from the given file */
8875 LoadGameFromFile(filename, n, title, useList)
8879 /*Boolean*/ int useList;
8884 if (strcmp(filename, "-") == 0) {
8888 f = fopen(filename, "rb");
8890 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
8891 DisplayError(buf, errno);
8895 if (fseek(f, 0, 0) == -1) {
8896 /* f is not seekable; probably a pipe */
8899 if (useList && n == 0) {
8900 int error = GameListBuild(f);
8902 DisplayError(_("Cannot build game list"), error);
8903 } else if (!ListEmpty(&gameList) &&
8904 ((ListGame *) gameList.tailPred)->number > 1) {
8905 GameListPopUp(f, title);
8912 return LoadGame(f, n, title, FALSE);
8917 MakeRegisteredMove()
8919 int fromX, fromY, toX, toY;
8921 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
8922 switch (cmailMoveType[lastLoadGameNumber - 1]) {
8925 if (appData.debugMode)
8926 fprintf(debugFP, "Restoring %s for game %d\n",
8927 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
8929 thinkOutput[0] = NULLCHAR;
8930 strcpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1]);
8931 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
8932 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
8933 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
8934 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
8935 promoChar = cmailMove[lastLoadGameNumber - 1][4];
8936 MakeMove(fromX, fromY, toX, toY, promoChar);
8937 ShowMove(fromX, fromY, toX, toY);
8939 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
8946 if (WhiteOnMove(currentMove)) {
8947 GameEnds(BlackWins, "Black mates", GE_PLAYER);
8949 GameEnds(WhiteWins, "White mates", GE_PLAYER);
8954 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
8961 if (WhiteOnMove(currentMove)) {
8962 GameEnds(BlackWins, "White resigns", GE_PLAYER);
8964 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
8969 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
8980 /* Wrapper around LoadGame for use when a Cmail message is loaded */
8982 CmailLoadGame(f, gameNumber, title, useList)
8990 if (gameNumber > nCmailGames) {
8991 DisplayError(_("No more games in this message"), 0);
8994 if (f == lastLoadGameFP) {
8995 int offset = gameNumber - lastLoadGameNumber;
8997 cmailMsg[0] = NULLCHAR;
8998 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
8999 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
9000 nCmailMovesRegistered--;
9002 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
9003 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
9004 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
9007 if (! RegisterMove()) return FALSE;
9011 retVal = LoadGame(f, gameNumber, title, useList);
9013 /* Make move registered during previous look at this game, if any */
9014 MakeRegisteredMove();
9016 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
9017 commentList[currentMove]
9018 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
9019 DisplayComment(currentMove - 1, commentList[currentMove]);
9025 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
9030 int gameNumber = lastLoadGameNumber + offset;
9031 if (lastLoadGameFP == NULL) {
9032 DisplayError(_("No game has been loaded yet"), 0);
9035 if (gameNumber <= 0) {
9036 DisplayError(_("Can't back up any further"), 0);
9039 if (cmailMsgLoaded) {
9040 return CmailLoadGame(lastLoadGameFP, gameNumber,
9041 lastLoadGameTitle, lastLoadGameUseList);
9043 return LoadGame(lastLoadGameFP, gameNumber,
9044 lastLoadGameTitle, lastLoadGameUseList);
9050 /* Load the nth game from open file f */
9052 LoadGame(f, gameNumber, title, useList)
9060 int gn = gameNumber;
9061 ListGame *lg = NULL;
9064 GameMode oldGameMode;
9065 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
9067 if (appData.debugMode)
9068 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
9070 if (gameMode == Training )
9071 SetTrainingModeOff();
9073 oldGameMode = gameMode;
9074 if (gameMode != BeginningOfGame) {
9079 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
9080 fclose(lastLoadGameFP);
9084 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
9087 fseek(f, lg->offset, 0);
9088 GameListHighlight(gameNumber);
9092 DisplayError(_("Game number out of range"), 0);
9097 if (fseek(f, 0, 0) == -1) {
9098 if (f == lastLoadGameFP ?
9099 gameNumber == lastLoadGameNumber + 1 :
9103 DisplayError(_("Can't seek on game file"), 0);
9109 lastLoadGameNumber = gameNumber;
9110 strcpy(lastLoadGameTitle, title);
9111 lastLoadGameUseList = useList;
9115 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
9116 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
9117 lg->gameInfo.black);
9119 } else if (*title != NULLCHAR) {
9120 if (gameNumber > 1) {
9121 sprintf(buf, "%s %d", title, gameNumber);
9124 DisplayTitle(title);
9128 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
9129 gameMode = PlayFromGameFile;
9133 currentMove = forwardMostMove = backwardMostMove = 0;
9134 CopyBoard(boards[0], initialPosition);
9138 * Skip the first gn-1 games in the file.
9139 * Also skip over anything that precedes an identifiable
9140 * start of game marker, to avoid being confused by
9141 * garbage at the start of the file. Currently
9142 * recognized start of game markers are the move number "1",
9143 * the pattern "gnuchess .* game", the pattern
9144 * "^[#;%] [^ ]* game file", and a PGN tag block.
9145 * A game that starts with one of the latter two patterns
9146 * will also have a move number 1, possibly
9147 * following a position diagram.
9148 * 5-4-02: Let's try being more lenient and allowing a game to
9149 * start with an unnumbered move. Does that break anything?
9151 cm = lastLoadGameStart = (ChessMove) 0;
9153 yyboardindex = forwardMostMove;
9154 cm = (ChessMove) yylex();
9157 if (cmailMsgLoaded) {
9158 nCmailGames = CMAIL_MAX_GAMES - gn;
9161 DisplayError(_("Game not found in file"), 0);
9168 lastLoadGameStart = cm;
9172 switch (lastLoadGameStart) {
9179 gn--; /* count this game */
9180 lastLoadGameStart = cm;
9189 switch (lastLoadGameStart) {
9194 gn--; /* count this game */
9195 lastLoadGameStart = cm;
9198 lastLoadGameStart = cm; /* game counted already */
9206 yyboardindex = forwardMostMove;
9207 cm = (ChessMove) yylex();
9208 } while (cm == PGNTag || cm == Comment);
9215 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
9216 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
9217 != CMAIL_OLD_RESULT) {
9219 cmailResult[ CMAIL_MAX_GAMES
9220 - gn - 1] = CMAIL_OLD_RESULT;
9226 /* Only a NormalMove can be at the start of a game
9227 * without a position diagram. */
9228 if (lastLoadGameStart == (ChessMove) 0) {
9230 lastLoadGameStart = MoveNumberOne;
9239 if (appData.debugMode)
9240 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
9242 if (cm == XBoardGame) {
9243 /* Skip any header junk before position diagram and/or move 1 */
9245 yyboardindex = forwardMostMove;
9246 cm = (ChessMove) yylex();
9248 if (cm == (ChessMove) 0 ||
9249 cm == GNUChessGame || cm == XBoardGame) {
9250 /* Empty game; pretend end-of-file and handle later */
9255 if (cm == MoveNumberOne || cm == PositionDiagram ||
9256 cm == PGNTag || cm == Comment)
9259 } else if (cm == GNUChessGame) {
9260 if (gameInfo.event != NULL) {
9261 free(gameInfo.event);
9263 gameInfo.event = StrSave(yy_text);
9266 startedFromSetupPosition = FALSE;
9267 while (cm == PGNTag) {
9268 if (appData.debugMode)
9269 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
9270 err = ParsePGNTag(yy_text, &gameInfo);
9271 if (!err) numPGNTags++;
9273 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
9274 if(gameInfo.variant != oldVariant) {
9275 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
9277 oldVariant = gameInfo.variant;
9278 if (appData.debugMode)
9279 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
9283 if (gameInfo.fen != NULL) {
9284 Board initial_position;
9285 startedFromSetupPosition = TRUE;
9286 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
9288 DisplayError(_("Bad FEN position in file"), 0);
9291 CopyBoard(boards[0], initial_position);
9292 if (blackPlaysFirst) {
9293 currentMove = forwardMostMove = backwardMostMove = 1;
9294 CopyBoard(boards[1], initial_position);
9295 strcpy(moveList[0], "");
9296 strcpy(parseList[0], "");
9297 timeRemaining[0][1] = whiteTimeRemaining;
9298 timeRemaining[1][1] = blackTimeRemaining;
9299 if (commentList[0] != NULL) {
9300 commentList[1] = commentList[0];
9301 commentList[0] = NULL;
9304 currentMove = forwardMostMove = backwardMostMove = 0;
9306 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
9308 initialRulePlies = FENrulePlies;
9309 for( i=0; i< nrCastlingRights; i++ )
9310 initialRights[i] = initial_position[CASTLING][i];
9312 yyboardindex = forwardMostMove;
9314 gameInfo.fen = NULL;
9317 yyboardindex = forwardMostMove;
9318 cm = (ChessMove) yylex();
9320 /* Handle comments interspersed among the tags */
9321 while (cm == Comment) {
9323 if (appData.debugMode)
9324 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9326 AppendComment(currentMove, p, FALSE);
9327 yyboardindex = forwardMostMove;
9328 cm = (ChessMove) yylex();
9332 /* don't rely on existence of Event tag since if game was
9333 * pasted from clipboard the Event tag may not exist
9335 if (numPGNTags > 0){
9337 if (gameInfo.variant == VariantNormal) {
9338 gameInfo.variant = StringToVariant(gameInfo.event);
9341 if( appData.autoDisplayTags ) {
9342 tags = PGNTags(&gameInfo);
9343 TagsPopUp(tags, CmailMsg());
9348 /* Make something up, but don't display it now */
9353 if (cm == PositionDiagram) {
9356 Board initial_position;
9358 if (appData.debugMode)
9359 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
9361 if (!startedFromSetupPosition) {
9363 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
9364 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
9374 initial_position[i][j++] = CharToPiece(*p);
9377 while (*p == ' ' || *p == '\t' ||
9378 *p == '\n' || *p == '\r') p++;
9380 if (strncmp(p, "black", strlen("black"))==0)
9381 blackPlaysFirst = TRUE;
9383 blackPlaysFirst = FALSE;
9384 startedFromSetupPosition = TRUE;
9386 CopyBoard(boards[0], initial_position);
9387 if (blackPlaysFirst) {
9388 currentMove = forwardMostMove = backwardMostMove = 1;
9389 CopyBoard(boards[1], initial_position);
9390 strcpy(moveList[0], "");
9391 strcpy(parseList[0], "");
9392 timeRemaining[0][1] = whiteTimeRemaining;
9393 timeRemaining[1][1] = blackTimeRemaining;
9394 if (commentList[0] != NULL) {
9395 commentList[1] = commentList[0];
9396 commentList[0] = NULL;
9399 currentMove = forwardMostMove = backwardMostMove = 0;
9402 yyboardindex = forwardMostMove;
9403 cm = (ChessMove) yylex();
9406 if (first.pr == NoProc) {
9407 StartChessProgram(&first);
9409 InitChessProgram(&first, FALSE);
9410 SendToProgram("force\n", &first);
9411 if (startedFromSetupPosition) {
9412 SendBoard(&first, forwardMostMove);
9413 if (appData.debugMode) {
9414 fprintf(debugFP, "Load Game\n");
9416 DisplayBothClocks();
9419 /* [HGM] server: flag to write setup moves in broadcast file as one */
9420 loadFlag = appData.suppressLoadMoves;
9422 while (cm == Comment) {
9424 if (appData.debugMode)
9425 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9427 AppendComment(currentMove, p, FALSE);
9428 yyboardindex = forwardMostMove;
9429 cm = (ChessMove) yylex();
9432 if ((cm == (ChessMove) 0 && lastLoadGameStart != (ChessMove) 0) ||
9433 cm == WhiteWins || cm == BlackWins ||
9434 cm == GameIsDrawn || cm == GameUnfinished) {
9435 DisplayMessage("", _("No moves in game"));
9436 if (cmailMsgLoaded) {
9437 if (appData.debugMode)
9438 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
9442 DrawPosition(FALSE, boards[currentMove]);
9443 DisplayBothClocks();
9444 gameMode = EditGame;
9451 // [HGM] PV info: routine tests if comment empty
9452 if (!matchMode && (pausing || appData.timeDelay != 0)) {
9453 DisplayComment(currentMove - 1, commentList[currentMove]);
9455 if (!matchMode && appData.timeDelay != 0)
9456 DrawPosition(FALSE, boards[currentMove]);
9458 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
9459 programStats.ok_to_send = 1;
9462 /* if the first token after the PGN tags is a move
9463 * and not move number 1, retrieve it from the parser
9465 if (cm != MoveNumberOne)
9466 LoadGameOneMove(cm);
9468 /* load the remaining moves from the file */
9469 while (LoadGameOneMove((ChessMove)0)) {
9470 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9471 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9474 /* rewind to the start of the game */
9475 currentMove = backwardMostMove;
9477 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9479 if (oldGameMode == AnalyzeFile ||
9480 oldGameMode == AnalyzeMode) {
9484 if (matchMode || appData.timeDelay == 0) {
9486 gameMode = EditGame;
9488 } else if (appData.timeDelay > 0) {
9492 if (appData.debugMode)
9493 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
9495 loadFlag = 0; /* [HGM] true game starts */
9499 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
9501 ReloadPosition(offset)
9504 int positionNumber = lastLoadPositionNumber + offset;
9505 if (lastLoadPositionFP == NULL) {
9506 DisplayError(_("No position has been loaded yet"), 0);
9509 if (positionNumber <= 0) {
9510 DisplayError(_("Can't back up any further"), 0);
9513 return LoadPosition(lastLoadPositionFP, positionNumber,
9514 lastLoadPositionTitle);
9517 /* Load the nth position from the given file */
9519 LoadPositionFromFile(filename, n, title)
9527 if (strcmp(filename, "-") == 0) {
9528 return LoadPosition(stdin, n, "stdin");
9530 f = fopen(filename, "rb");
9532 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9533 DisplayError(buf, errno);
9536 return LoadPosition(f, n, title);
9541 /* Load the nth position from the given open file, and close it */
9543 LoadPosition(f, positionNumber, title)
9548 char *p, line[MSG_SIZ];
9549 Board initial_position;
9550 int i, j, fenMode, pn;
9552 if (gameMode == Training )
9553 SetTrainingModeOff();
9555 if (gameMode != BeginningOfGame) {
9558 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
9559 fclose(lastLoadPositionFP);
9561 if (positionNumber == 0) positionNumber = 1;
9562 lastLoadPositionFP = f;
9563 lastLoadPositionNumber = positionNumber;
9564 strcpy(lastLoadPositionTitle, title);
9565 if (first.pr == NoProc) {
9566 StartChessProgram(&first);
9567 InitChessProgram(&first, FALSE);
9569 pn = positionNumber;
9570 if (positionNumber < 0) {
9571 /* Negative position number means to seek to that byte offset */
9572 if (fseek(f, -positionNumber, 0) == -1) {
9573 DisplayError(_("Can't seek on position file"), 0);
9578 if (fseek(f, 0, 0) == -1) {
9579 if (f == lastLoadPositionFP ?
9580 positionNumber == lastLoadPositionNumber + 1 :
9581 positionNumber == 1) {
9584 DisplayError(_("Can't seek on position file"), 0);
9589 /* See if this file is FEN or old-style xboard */
9590 if (fgets(line, MSG_SIZ, f) == NULL) {
9591 DisplayError(_("Position not found in file"), 0);
9594 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
9595 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
9598 if (fenMode || line[0] == '#') pn--;
9600 /* skip positions before number pn */
9601 if (fgets(line, MSG_SIZ, f) == NULL) {
9603 DisplayError(_("Position not found in file"), 0);
9606 if (fenMode || line[0] == '#') pn--;
9611 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
9612 DisplayError(_("Bad FEN position in file"), 0);
9616 (void) fgets(line, MSG_SIZ, f);
9617 (void) fgets(line, MSG_SIZ, f);
9619 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
9620 (void) fgets(line, MSG_SIZ, f);
9621 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
9624 initial_position[i][j++] = CharToPiece(*p);
9628 blackPlaysFirst = FALSE;
9630 (void) fgets(line, MSG_SIZ, f);
9631 if (strncmp(line, "black", strlen("black"))==0)
9632 blackPlaysFirst = TRUE;
9635 startedFromSetupPosition = TRUE;
9637 SendToProgram("force\n", &first);
9638 CopyBoard(boards[0], initial_position);
9639 if (blackPlaysFirst) {
9640 currentMove = forwardMostMove = backwardMostMove = 1;
9641 strcpy(moveList[0], "");
9642 strcpy(parseList[0], "");
9643 CopyBoard(boards[1], initial_position);
9644 DisplayMessage("", _("Black to play"));
9646 currentMove = forwardMostMove = backwardMostMove = 0;
9647 DisplayMessage("", _("White to play"));
9649 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
9650 SendBoard(&first, forwardMostMove);
9651 if (appData.debugMode) {
9653 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
9654 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
9655 fprintf(debugFP, "Load Position\n");
9658 if (positionNumber > 1) {
9659 sprintf(line, "%s %d", title, positionNumber);
9662 DisplayTitle(title);
9664 gameMode = EditGame;
9667 timeRemaining[0][1] = whiteTimeRemaining;
9668 timeRemaining[1][1] = blackTimeRemaining;
9669 DrawPosition(FALSE, boards[currentMove]);
9676 CopyPlayerNameIntoFileName(dest, src)
9679 while (*src != NULLCHAR && *src != ',') {
9684 *(*dest)++ = *src++;
9689 char *DefaultFileName(ext)
9692 static char def[MSG_SIZ];
9695 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
9697 CopyPlayerNameIntoFileName(&p, gameInfo.white);
9699 CopyPlayerNameIntoFileName(&p, gameInfo.black);
9708 /* Save the current game to the given file */
9710 SaveGameToFile(filename, append)
9717 if (strcmp(filename, "-") == 0) {
9718 return SaveGame(stdout, 0, NULL);
9720 f = fopen(filename, append ? "a" : "w");
9722 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9723 DisplayError(buf, errno);
9726 return SaveGame(f, 0, NULL);
9735 static char buf[MSG_SIZ];
9738 p = strchr(str, ' ');
9739 if (p == NULL) return str;
9740 strncpy(buf, str, p - str);
9741 buf[p - str] = NULLCHAR;
9745 #define PGN_MAX_LINE 75
9747 #define PGN_SIDE_WHITE 0
9748 #define PGN_SIDE_BLACK 1
9751 static int FindFirstMoveOutOfBook( int side )
9755 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
9756 int index = backwardMostMove;
9757 int has_book_hit = 0;
9759 if( (index % 2) != side ) {
9763 while( index < forwardMostMove ) {
9764 /* Check to see if engine is in book */
9765 int depth = pvInfoList[index].depth;
9766 int score = pvInfoList[index].score;
9772 else if( score == 0 && depth == 63 ) {
9773 in_book = 1; /* Zappa */
9775 else if( score == 2 && depth == 99 ) {
9776 in_book = 1; /* Abrok */
9779 has_book_hit += in_book;
9795 void GetOutOfBookInfo( char * buf )
9799 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
9801 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
9802 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
9806 if( oob[0] >= 0 || oob[1] >= 0 ) {
9807 for( i=0; i<2; i++ ) {
9811 if( i > 0 && oob[0] >= 0 ) {
9815 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
9816 sprintf( buf+strlen(buf), "%s%.2f",
9817 pvInfoList[idx].score >= 0 ? "+" : "",
9818 pvInfoList[idx].score / 100.0 );
9824 /* Save game in PGN style and close the file */
9829 int i, offset, linelen, newblock;
9833 int movelen, numlen, blank;
9834 char move_buffer[100]; /* [AS] Buffer for move+PV info */
9836 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
9838 tm = time((time_t *) NULL);
9840 PrintPGNTags(f, &gameInfo);
9842 if (backwardMostMove > 0 || startedFromSetupPosition) {
9843 char *fen = PositionToFEN(backwardMostMove, NULL);
9844 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
9845 fprintf(f, "\n{--------------\n");
9846 PrintPosition(f, backwardMostMove);
9847 fprintf(f, "--------------}\n");
9851 /* [AS] Out of book annotation */
9852 if( appData.saveOutOfBookInfo ) {
9855 GetOutOfBookInfo( buf );
9857 if( buf[0] != '\0' ) {
9858 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
9865 i = backwardMostMove;
9869 while (i < forwardMostMove) {
9870 /* Print comments preceding this move */
9871 if (commentList[i] != NULL) {
9872 if (linelen > 0) fprintf(f, "\n");
9873 fprintf(f, "%s", commentList[i]);
9878 /* Format move number */
9880 sprintf(numtext, "%d.", (i - offset)/2 + 1);
9883 sprintf(numtext, "%d...", (i - offset)/2 + 1);
9885 numtext[0] = NULLCHAR;
9888 numlen = strlen(numtext);
9891 /* Print move number */
9892 blank = linelen > 0 && numlen > 0;
9893 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
9902 fprintf(f, "%s", numtext);
9906 strcpy(move_buffer, SavePart(parseList[i])); // [HGM] pgn: print move via buffer, so it can be edited
9907 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
9910 blank = linelen > 0 && movelen > 0;
9911 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
9920 fprintf(f, "%s", move_buffer);
9923 /* [AS] Add PV info if present */
9924 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
9925 /* [HGM] add time */
9926 char buf[MSG_SIZ]; int seconds;
9928 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
9930 if( seconds <= 0) buf[0] = 0; else
9931 if( seconds < 30 ) sprintf(buf, " %3.1f%c", seconds/10., 0); else {
9932 seconds = (seconds + 4)/10; // round to full seconds
9933 if( seconds < 60 ) sprintf(buf, " %d%c", seconds, 0); else
9934 sprintf(buf, " %d:%02d%c", seconds/60, seconds%60, 0);
9937 sprintf( move_buffer, "{%s%.2f/%d%s}",
9938 pvInfoList[i].score >= 0 ? "+" : "",
9939 pvInfoList[i].score / 100.0,
9940 pvInfoList[i].depth,
9943 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
9945 /* Print score/depth */
9946 blank = linelen > 0 && movelen > 0;
9947 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
9956 fprintf(f, "%s", move_buffer);
9963 /* Start a new line */
9964 if (linelen > 0) fprintf(f, "\n");
9966 /* Print comments after last move */
9967 if (commentList[i] != NULL) {
9968 fprintf(f, "%s\n", commentList[i]);
9972 if (gameInfo.resultDetails != NULL &&
9973 gameInfo.resultDetails[0] != NULLCHAR) {
9974 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
9975 PGNResult(gameInfo.result));
9977 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
9981 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
9985 /* Save game in old style and close the file */
9993 tm = time((time_t *) NULL);
9995 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
9998 if (backwardMostMove > 0 || startedFromSetupPosition) {
9999 fprintf(f, "\n[--------------\n");
10000 PrintPosition(f, backwardMostMove);
10001 fprintf(f, "--------------]\n");
10006 i = backwardMostMove;
10007 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10009 while (i < forwardMostMove) {
10010 if (commentList[i] != NULL) {
10011 fprintf(f, "[%s]\n", commentList[i]);
10014 if ((i % 2) == 1) {
10015 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
10018 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
10020 if (commentList[i] != NULL) {
10024 if (i >= forwardMostMove) {
10028 fprintf(f, "%s\n", parseList[i]);
10033 if (commentList[i] != NULL) {
10034 fprintf(f, "[%s]\n", commentList[i]);
10037 /* This isn't really the old style, but it's close enough */
10038 if (gameInfo.resultDetails != NULL &&
10039 gameInfo.resultDetails[0] != NULLCHAR) {
10040 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
10041 gameInfo.resultDetails);
10043 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10050 /* Save the current game to open file f and close the file */
10052 SaveGame(f, dummy, dummy2)
10057 if (gameMode == EditPosition) EditPositionDone(TRUE);
10058 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10059 if (appData.oldSaveStyle)
10060 return SaveGameOldStyle(f);
10062 return SaveGamePGN(f);
10065 /* Save the current position to the given file */
10067 SavePositionToFile(filename)
10073 if (strcmp(filename, "-") == 0) {
10074 return SavePosition(stdout, 0, NULL);
10076 f = fopen(filename, "a");
10078 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10079 DisplayError(buf, errno);
10082 SavePosition(f, 0, NULL);
10088 /* Save the current position to the given open file and close the file */
10090 SavePosition(f, dummy, dummy2)
10098 if (gameMode == EditPosition) EditPositionDone(TRUE);
10099 if (appData.oldSaveStyle) {
10100 tm = time((time_t *) NULL);
10102 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
10104 fprintf(f, "[--------------\n");
10105 PrintPosition(f, currentMove);
10106 fprintf(f, "--------------]\n");
10108 fen = PositionToFEN(currentMove, NULL);
10109 fprintf(f, "%s\n", fen);
10117 ReloadCmailMsgEvent(unregister)
10121 static char *inFilename = NULL;
10122 static char *outFilename;
10124 struct stat inbuf, outbuf;
10127 /* Any registered moves are unregistered if unregister is set, */
10128 /* i.e. invoked by the signal handler */
10130 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
10131 cmailMoveRegistered[i] = FALSE;
10132 if (cmailCommentList[i] != NULL) {
10133 free(cmailCommentList[i]);
10134 cmailCommentList[i] = NULL;
10137 nCmailMovesRegistered = 0;
10140 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
10141 cmailResult[i] = CMAIL_NOT_RESULT;
10145 if (inFilename == NULL) {
10146 /* Because the filenames are static they only get malloced once */
10147 /* and they never get freed */
10148 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
10149 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
10151 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
10152 sprintf(outFilename, "%s.out", appData.cmailGameName);
10155 status = stat(outFilename, &outbuf);
10157 cmailMailedMove = FALSE;
10159 status = stat(inFilename, &inbuf);
10160 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
10163 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
10164 counts the games, notes how each one terminated, etc.
10166 It would be nice to remove this kludge and instead gather all
10167 the information while building the game list. (And to keep it
10168 in the game list nodes instead of having a bunch of fixed-size
10169 parallel arrays.) Note this will require getting each game's
10170 termination from the PGN tags, as the game list builder does
10171 not process the game moves. --mann
10173 cmailMsgLoaded = TRUE;
10174 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
10176 /* Load first game in the file or popup game menu */
10177 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
10179 #endif /* !WIN32 */
10187 char string[MSG_SIZ];
10189 if ( cmailMailedMove
10190 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
10191 return TRUE; /* Allow free viewing */
10194 /* Unregister move to ensure that we don't leave RegisterMove */
10195 /* with the move registered when the conditions for registering no */
10197 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10198 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
10199 nCmailMovesRegistered --;
10201 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
10203 free(cmailCommentList[lastLoadGameNumber - 1]);
10204 cmailCommentList[lastLoadGameNumber - 1] = NULL;
10208 if (cmailOldMove == -1) {
10209 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
10213 if (currentMove > cmailOldMove + 1) {
10214 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
10218 if (currentMove < cmailOldMove) {
10219 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
10223 if (forwardMostMove > currentMove) {
10224 /* Silently truncate extra moves */
10228 if ( (currentMove == cmailOldMove + 1)
10229 || ( (currentMove == cmailOldMove)
10230 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
10231 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
10232 if (gameInfo.result != GameUnfinished) {
10233 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
10236 if (commentList[currentMove] != NULL) {
10237 cmailCommentList[lastLoadGameNumber - 1]
10238 = StrSave(commentList[currentMove]);
10240 strcpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1]);
10242 if (appData.debugMode)
10243 fprintf(debugFP, "Saving %s for game %d\n",
10244 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
10247 "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
10249 f = fopen(string, "w");
10250 if (appData.oldSaveStyle) {
10251 SaveGameOldStyle(f); /* also closes the file */
10253 sprintf(string, "%s.pos.out", appData.cmailGameName);
10254 f = fopen(string, "w");
10255 SavePosition(f, 0, NULL); /* also closes the file */
10257 fprintf(f, "{--------------\n");
10258 PrintPosition(f, currentMove);
10259 fprintf(f, "--------------}\n\n");
10261 SaveGame(f, 0, NULL); /* also closes the file*/
10264 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
10265 nCmailMovesRegistered ++;
10266 } else if (nCmailGames == 1) {
10267 DisplayError(_("You have not made a move yet"), 0);
10278 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
10279 FILE *commandOutput;
10280 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
10281 int nBytes = 0; /* Suppress warnings on uninitialized variables */
10287 if (! cmailMsgLoaded) {
10288 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
10292 if (nCmailGames == nCmailResults) {
10293 DisplayError(_("No unfinished games"), 0);
10297 #if CMAIL_PROHIBIT_REMAIL
10298 if (cmailMailedMove) {
10299 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);
10300 DisplayError(msg, 0);
10305 if (! (cmailMailedMove || RegisterMove())) return;
10307 if ( cmailMailedMove
10308 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
10309 sprintf(string, partCommandString,
10310 appData.debugMode ? " -v" : "", appData.cmailGameName);
10311 commandOutput = popen(string, "r");
10313 if (commandOutput == NULL) {
10314 DisplayError(_("Failed to invoke cmail"), 0);
10316 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
10317 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
10319 if (nBuffers > 1) {
10320 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
10321 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
10322 nBytes = MSG_SIZ - 1;
10324 (void) memcpy(msg, buffer, nBytes);
10326 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
10328 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
10329 cmailMailedMove = TRUE; /* Prevent >1 moves */
10332 for (i = 0; i < nCmailGames; i ++) {
10333 if (cmailResult[i] == CMAIL_NOT_RESULT) {
10338 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
10340 sprintf(buffer, "%s/%s.%s.archive",
10342 appData.cmailGameName,
10344 LoadGameFromFile(buffer, 1, buffer, FALSE);
10345 cmailMsgLoaded = FALSE;
10349 DisplayInformation(msg);
10350 pclose(commandOutput);
10353 if ((*cmailMsg) != '\0') {
10354 DisplayInformation(cmailMsg);
10359 #endif /* !WIN32 */
10368 int prependComma = 0;
10370 char string[MSG_SIZ]; /* Space for game-list */
10373 if (!cmailMsgLoaded) return "";
10375 if (cmailMailedMove) {
10376 sprintf(cmailMsg, _("Waiting for reply from opponent\n"));
10378 /* Create a list of games left */
10379 sprintf(string, "[");
10380 for (i = 0; i < nCmailGames; i ++) {
10381 if (! ( cmailMoveRegistered[i]
10382 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
10383 if (prependComma) {
10384 sprintf(number, ",%d", i + 1);
10386 sprintf(number, "%d", i + 1);
10390 strcat(string, number);
10393 strcat(string, "]");
10395 if (nCmailMovesRegistered + nCmailResults == 0) {
10396 switch (nCmailGames) {
10399 _("Still need to make move for game\n"));
10404 _("Still need to make moves for both games\n"));
10409 _("Still need to make moves for all %d games\n"),
10414 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
10417 _("Still need to make a move for game %s\n"),
10422 if (nCmailResults == nCmailGames) {
10423 sprintf(cmailMsg, _("No unfinished games\n"));
10425 sprintf(cmailMsg, _("Ready to send mail\n"));
10431 _("Still need to make moves for games %s\n"),
10443 if (gameMode == Training)
10444 SetTrainingModeOff();
10447 cmailMsgLoaded = FALSE;
10448 if (appData.icsActive) {
10449 SendToICS(ics_prefix);
10450 SendToICS("refresh\n");
10460 /* Give up on clean exit */
10464 /* Keep trying for clean exit */
10468 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
10470 if (telnetISR != NULL) {
10471 RemoveInputSource(telnetISR);
10473 if (icsPR != NoProc) {
10474 DestroyChildProcess(icsPR, TRUE);
10477 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
10478 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
10480 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
10481 /* make sure this other one finishes before killing it! */
10482 if(endingGame) { int count = 0;
10483 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
10484 while(endingGame && count++ < 10) DoSleep(1);
10485 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
10488 /* Kill off chess programs */
10489 if (first.pr != NoProc) {
10492 DoSleep( appData.delayBeforeQuit );
10493 SendToProgram("quit\n", &first);
10494 DoSleep( appData.delayAfterQuit );
10495 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
10497 if (second.pr != NoProc) {
10498 DoSleep( appData.delayBeforeQuit );
10499 SendToProgram("quit\n", &second);
10500 DoSleep( appData.delayAfterQuit );
10501 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
10503 if (first.isr != NULL) {
10504 RemoveInputSource(first.isr);
10506 if (second.isr != NULL) {
10507 RemoveInputSource(second.isr);
10510 ShutDownFrontEnd();
10517 if (appData.debugMode)
10518 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
10522 if (gameMode == MachinePlaysWhite ||
10523 gameMode == MachinePlaysBlack) {
10526 DisplayBothClocks();
10528 if (gameMode == PlayFromGameFile) {
10529 if (appData.timeDelay >= 0)
10530 AutoPlayGameLoop();
10531 } else if (gameMode == IcsExamining && pauseExamInvalid) {
10532 Reset(FALSE, TRUE);
10533 SendToICS(ics_prefix);
10534 SendToICS("refresh\n");
10535 } else if (currentMove < forwardMostMove) {
10536 ForwardInner(forwardMostMove);
10538 pauseExamInvalid = FALSE;
10540 switch (gameMode) {
10544 pauseExamForwardMostMove = forwardMostMove;
10545 pauseExamInvalid = FALSE;
10548 case IcsPlayingWhite:
10549 case IcsPlayingBlack:
10553 case PlayFromGameFile:
10554 (void) StopLoadGameTimer();
10558 case BeginningOfGame:
10559 if (appData.icsActive) return;
10560 /* else fall through */
10561 case MachinePlaysWhite:
10562 case MachinePlaysBlack:
10563 case TwoMachinesPlay:
10564 if (forwardMostMove == 0)
10565 return; /* don't pause if no one has moved */
10566 if ((gameMode == MachinePlaysWhite &&
10567 !WhiteOnMove(forwardMostMove)) ||
10568 (gameMode == MachinePlaysBlack &&
10569 WhiteOnMove(forwardMostMove))) {
10582 char title[MSG_SIZ];
10584 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
10585 strcpy(title, _("Edit comment"));
10587 sprintf(title, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
10588 WhiteOnMove(currentMove - 1) ? " " : ".. ",
10589 parseList[currentMove - 1]);
10592 EditCommentPopUp(currentMove, title, commentList[currentMove]);
10599 char *tags = PGNTags(&gameInfo);
10600 EditTagsPopUp(tags);
10607 if (appData.noChessProgram || gameMode == AnalyzeMode)
10610 if (gameMode != AnalyzeFile) {
10611 if (!appData.icsEngineAnalyze) {
10613 if (gameMode != EditGame) return;
10615 ResurrectChessProgram();
10616 SendToProgram("analyze\n", &first);
10617 first.analyzing = TRUE;
10618 /*first.maybeThinking = TRUE;*/
10619 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
10620 EngineOutputPopUp();
10622 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
10627 StartAnalysisClock();
10628 GetTimeMark(&lastNodeCountTime);
10635 if (appData.noChessProgram || gameMode == AnalyzeFile)
10638 if (gameMode != AnalyzeMode) {
10640 if (gameMode != EditGame) return;
10641 ResurrectChessProgram();
10642 SendToProgram("analyze\n", &first);
10643 first.analyzing = TRUE;
10644 /*first.maybeThinking = TRUE;*/
10645 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
10646 EngineOutputPopUp();
10648 gameMode = AnalyzeFile;
10653 StartAnalysisClock();
10654 GetTimeMark(&lastNodeCountTime);
10659 MachineWhiteEvent()
10662 char *bookHit = NULL;
10664 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
10668 if (gameMode == PlayFromGameFile ||
10669 gameMode == TwoMachinesPlay ||
10670 gameMode == Training ||
10671 gameMode == AnalyzeMode ||
10672 gameMode == EndOfGame)
10675 if (gameMode == EditPosition)
10676 EditPositionDone(TRUE);
10678 if (!WhiteOnMove(currentMove)) {
10679 DisplayError(_("It is not White's turn"), 0);
10683 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
10686 if (gameMode == EditGame || gameMode == AnalyzeMode ||
10687 gameMode == AnalyzeFile)
10690 ResurrectChessProgram(); /* in case it isn't running */
10691 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
10692 gameMode = MachinePlaysWhite;
10695 gameMode = MachinePlaysWhite;
10699 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
10701 if (first.sendName) {
10702 sprintf(buf, "name %s\n", gameInfo.black);
10703 SendToProgram(buf, &first);
10705 if (first.sendTime) {
10706 if (first.useColors) {
10707 SendToProgram("black\n", &first); /*gnu kludge*/
10709 SendTimeRemaining(&first, TRUE);
10711 if (first.useColors) {
10712 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
10714 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
10715 SetMachineThinkingEnables();
10716 first.maybeThinking = TRUE;
10720 if (appData.autoFlipView && !flipView) {
10721 flipView = !flipView;
10722 DrawPosition(FALSE, NULL);
10723 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
10726 if(bookHit) { // [HGM] book: simulate book reply
10727 static char bookMove[MSG_SIZ]; // a bit generous?
10729 programStats.nodes = programStats.depth = programStats.time =
10730 programStats.score = programStats.got_only_move = 0;
10731 sprintf(programStats.movelist, "%s (xbook)", bookHit);
10733 strcpy(bookMove, "move ");
10734 strcat(bookMove, bookHit);
10735 HandleMachineMove(bookMove, &first);
10740 MachineBlackEvent()
10743 char *bookHit = NULL;
10745 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
10749 if (gameMode == PlayFromGameFile ||
10750 gameMode == TwoMachinesPlay ||
10751 gameMode == Training ||
10752 gameMode == AnalyzeMode ||
10753 gameMode == EndOfGame)
10756 if (gameMode == EditPosition)
10757 EditPositionDone(TRUE);
10759 if (WhiteOnMove(currentMove)) {
10760 DisplayError(_("It is not Black's turn"), 0);
10764 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
10767 if (gameMode == EditGame || gameMode == AnalyzeMode ||
10768 gameMode == AnalyzeFile)
10771 ResurrectChessProgram(); /* in case it isn't running */
10772 gameMode = MachinePlaysBlack;
10776 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
10778 if (first.sendName) {
10779 sprintf(buf, "name %s\n", gameInfo.white);
10780 SendToProgram(buf, &first);
10782 if (first.sendTime) {
10783 if (first.useColors) {
10784 SendToProgram("white\n", &first); /*gnu kludge*/
10786 SendTimeRemaining(&first, FALSE);
10788 if (first.useColors) {
10789 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
10791 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
10792 SetMachineThinkingEnables();
10793 first.maybeThinking = TRUE;
10796 if (appData.autoFlipView && flipView) {
10797 flipView = !flipView;
10798 DrawPosition(FALSE, NULL);
10799 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
10801 if(bookHit) { // [HGM] book: simulate book reply
10802 static char bookMove[MSG_SIZ]; // a bit generous?
10804 programStats.nodes = programStats.depth = programStats.time =
10805 programStats.score = programStats.got_only_move = 0;
10806 sprintf(programStats.movelist, "%s (xbook)", bookHit);
10808 strcpy(bookMove, "move ");
10809 strcat(bookMove, bookHit);
10810 HandleMachineMove(bookMove, &first);
10816 DisplayTwoMachinesTitle()
10819 if (appData.matchGames > 0) {
10820 if (first.twoMachinesColor[0] == 'w') {
10821 sprintf(buf, "%s vs. %s (%d-%d-%d)",
10822 gameInfo.white, gameInfo.black,
10823 first.matchWins, second.matchWins,
10824 matchGame - 1 - (first.matchWins + second.matchWins));
10826 sprintf(buf, "%s vs. %s (%d-%d-%d)",
10827 gameInfo.white, gameInfo.black,
10828 second.matchWins, first.matchWins,
10829 matchGame - 1 - (first.matchWins + second.matchWins));
10832 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
10838 TwoMachinesEvent P((void))
10842 ChessProgramState *onmove;
10843 char *bookHit = NULL;
10845 if (appData.noChessProgram) return;
10847 switch (gameMode) {
10848 case TwoMachinesPlay:
10850 case MachinePlaysWhite:
10851 case MachinePlaysBlack:
10852 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
10853 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
10857 case BeginningOfGame:
10858 case PlayFromGameFile:
10861 if (gameMode != EditGame) return;
10864 EditPositionDone(TRUE);
10875 // forwardMostMove = currentMove;
10876 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
10877 ResurrectChessProgram(); /* in case first program isn't running */
10879 if (second.pr == NULL) {
10880 StartChessProgram(&second);
10881 if (second.protocolVersion == 1) {
10882 TwoMachinesEventIfReady();
10884 /* kludge: allow timeout for initial "feature" command */
10886 DisplayMessage("", _("Starting second chess program"));
10887 ScheduleDelayedEvent(TwoMachinesEventIfReady, FEATURE_TIMEOUT);
10891 DisplayMessage("", "");
10892 InitChessProgram(&second, FALSE);
10893 SendToProgram("force\n", &second);
10894 if (startedFromSetupPosition) {
10895 SendBoard(&second, backwardMostMove);
10896 if (appData.debugMode) {
10897 fprintf(debugFP, "Two Machines\n");
10900 for (i = backwardMostMove; i < forwardMostMove; i++) {
10901 SendMoveToProgram(i, &second);
10904 gameMode = TwoMachinesPlay;
10908 DisplayTwoMachinesTitle();
10910 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
10916 SendToProgram(first.computerString, &first);
10917 if (first.sendName) {
10918 sprintf(buf, "name %s\n", second.tidy);
10919 SendToProgram(buf, &first);
10921 SendToProgram(second.computerString, &second);
10922 if (second.sendName) {
10923 sprintf(buf, "name %s\n", first.tidy);
10924 SendToProgram(buf, &second);
10928 if (!first.sendTime || !second.sendTime) {
10929 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10930 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10932 if (onmove->sendTime) {
10933 if (onmove->useColors) {
10934 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
10936 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
10938 if (onmove->useColors) {
10939 SendToProgram(onmove->twoMachinesColor, onmove);
10941 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
10942 // SendToProgram("go\n", onmove);
10943 onmove->maybeThinking = TRUE;
10944 SetMachineThinkingEnables();
10948 if(bookHit) { // [HGM] book: simulate book reply
10949 static char bookMove[MSG_SIZ]; // a bit generous?
10951 programStats.nodes = programStats.depth = programStats.time =
10952 programStats.score = programStats.got_only_move = 0;
10953 sprintf(programStats.movelist, "%s (xbook)", bookHit);
10955 strcpy(bookMove, "move ");
10956 strcat(bookMove, bookHit);
10957 savedMessage = bookMove; // args for deferred call
10958 savedState = onmove;
10959 ScheduleDelayedEvent(DeferredBookMove, 1);
10966 if (gameMode == Training) {
10967 SetTrainingModeOff();
10968 gameMode = PlayFromGameFile;
10969 DisplayMessage("", _("Training mode off"));
10971 gameMode = Training;
10972 animateTraining = appData.animate;
10974 /* make sure we are not already at the end of the game */
10975 if (currentMove < forwardMostMove) {
10976 SetTrainingModeOn();
10977 DisplayMessage("", _("Training mode on"));
10979 gameMode = PlayFromGameFile;
10980 DisplayError(_("Already at end of game"), 0);
10989 if (!appData.icsActive) return;
10990 switch (gameMode) {
10991 case IcsPlayingWhite:
10992 case IcsPlayingBlack:
10995 case BeginningOfGame:
11003 EditPositionDone(TRUE);
11016 gameMode = IcsIdle;
11027 switch (gameMode) {
11029 SetTrainingModeOff();
11031 case MachinePlaysWhite:
11032 case MachinePlaysBlack:
11033 case BeginningOfGame:
11034 SendToProgram("force\n", &first);
11035 SetUserThinkingEnables();
11037 case PlayFromGameFile:
11038 (void) StopLoadGameTimer();
11039 if (gameFileFP != NULL) {
11044 EditPositionDone(TRUE);
11049 SendToProgram("force\n", &first);
11051 case TwoMachinesPlay:
11052 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
11053 ResurrectChessProgram();
11054 SetUserThinkingEnables();
11057 ResurrectChessProgram();
11059 case IcsPlayingBlack:
11060 case IcsPlayingWhite:
11061 DisplayError(_("Warning: You are still playing a game"), 0);
11064 DisplayError(_("Warning: You are still observing a game"), 0);
11067 DisplayError(_("Warning: You are still examining a game"), 0);
11078 first.offeredDraw = second.offeredDraw = 0;
11080 if (gameMode == PlayFromGameFile) {
11081 whiteTimeRemaining = timeRemaining[0][currentMove];
11082 blackTimeRemaining = timeRemaining[1][currentMove];
11086 if (gameMode == MachinePlaysWhite ||
11087 gameMode == MachinePlaysBlack ||
11088 gameMode == TwoMachinesPlay ||
11089 gameMode == EndOfGame) {
11090 i = forwardMostMove;
11091 while (i > currentMove) {
11092 SendToProgram("undo\n", &first);
11095 whiteTimeRemaining = timeRemaining[0][currentMove];
11096 blackTimeRemaining = timeRemaining[1][currentMove];
11097 DisplayBothClocks();
11098 if (whiteFlag || blackFlag) {
11099 whiteFlag = blackFlag = 0;
11104 gameMode = EditGame;
11111 EditPositionEvent()
11113 if (gameMode == EditPosition) {
11119 if (gameMode != EditGame) return;
11121 gameMode = EditPosition;
11124 if (currentMove > 0)
11125 CopyBoard(boards[0], boards[currentMove]);
11127 blackPlaysFirst = !WhiteOnMove(currentMove);
11129 currentMove = forwardMostMove = backwardMostMove = 0;
11130 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11137 /* [DM] icsEngineAnalyze - possible call from other functions */
11138 if (appData.icsEngineAnalyze) {
11139 appData.icsEngineAnalyze = FALSE;
11141 DisplayMessage("",_("Close ICS engine analyze..."));
11143 if (first.analysisSupport && first.analyzing) {
11144 SendToProgram("exit\n", &first);
11145 first.analyzing = FALSE;
11147 thinkOutput[0] = NULLCHAR;
11151 EditPositionDone(Boolean fakeRights)
11153 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
11155 startedFromSetupPosition = TRUE;
11156 InitChessProgram(&first, FALSE);
11157 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
11158 boards[0][EP_STATUS] = EP_NONE;
11159 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
11160 if(boards[0][0][BOARD_WIDTH>>1] == king) {
11161 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
11162 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
11163 } else boards[0][CASTLING][2] = NoRights;
11164 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
11165 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
11166 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
11167 } else boards[0][CASTLING][5] = NoRights;
11169 SendToProgram("force\n", &first);
11170 if (blackPlaysFirst) {
11171 strcpy(moveList[0], "");
11172 strcpy(parseList[0], "");
11173 currentMove = forwardMostMove = backwardMostMove = 1;
11174 CopyBoard(boards[1], boards[0]);
11176 currentMove = forwardMostMove = backwardMostMove = 0;
11178 SendBoard(&first, forwardMostMove);
11179 if (appData.debugMode) {
11180 fprintf(debugFP, "EditPosDone\n");
11183 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11184 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11185 gameMode = EditGame;
11187 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11188 ClearHighlights(); /* [AS] */
11191 /* Pause for `ms' milliseconds */
11192 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
11202 } while (SubtractTimeMarks(&m2, &m1) < ms);
11205 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
11207 SendMultiLineToICS(buf)
11210 char temp[MSG_SIZ+1], *p;
11217 strncpy(temp, buf, len);
11222 if (*p == '\n' || *p == '\r')
11227 strcat(temp, "\n");
11229 SendToPlayer(temp, strlen(temp));
11233 SetWhiteToPlayEvent()
11235 if (gameMode == EditPosition) {
11236 blackPlaysFirst = FALSE;
11237 DisplayBothClocks(); /* works because currentMove is 0 */
11238 } else if (gameMode == IcsExamining) {
11239 SendToICS(ics_prefix);
11240 SendToICS("tomove white\n");
11245 SetBlackToPlayEvent()
11247 if (gameMode == EditPosition) {
11248 blackPlaysFirst = TRUE;
11249 currentMove = 1; /* kludge */
11250 DisplayBothClocks();
11252 } else if (gameMode == IcsExamining) {
11253 SendToICS(ics_prefix);
11254 SendToICS("tomove black\n");
11259 EditPositionMenuEvent(selection, x, y)
11260 ChessSquare selection;
11264 ChessSquare piece = boards[0][y][x];
11266 if (gameMode != EditPosition && gameMode != IcsExamining) return;
11268 switch (selection) {
11270 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
11271 SendToICS(ics_prefix);
11272 SendToICS("bsetup clear\n");
11273 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
11274 SendToICS(ics_prefix);
11275 SendToICS("clearboard\n");
11277 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
11278 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
11279 for (y = 0; y < BOARD_HEIGHT; y++) {
11280 if (gameMode == IcsExamining) {
11281 if (boards[currentMove][y][x] != EmptySquare) {
11282 sprintf(buf, "%sx@%c%c\n", ics_prefix,
11287 boards[0][y][x] = p;
11292 if (gameMode == EditPosition) {
11293 DrawPosition(FALSE, boards[0]);
11298 SetWhiteToPlayEvent();
11302 SetBlackToPlayEvent();
11306 if (gameMode == IcsExamining) {
11307 sprintf(buf, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
11310 boards[0][y][x] = EmptySquare;
11311 DrawPosition(FALSE, boards[0]);
11316 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
11317 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
11318 selection = (ChessSquare) (PROMOTED piece);
11319 } else if(piece == EmptySquare) selection = WhiteSilver;
11320 else selection = (ChessSquare)((int)piece - 1);
11324 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
11325 piece > (int)BlackMan && piece <= (int)BlackKing ) {
11326 selection = (ChessSquare) (DEMOTED piece);
11327 } else if(piece == EmptySquare) selection = BlackSilver;
11328 else selection = (ChessSquare)((int)piece + 1);
11333 if(gameInfo.variant == VariantShatranj ||
11334 gameInfo.variant == VariantXiangqi ||
11335 gameInfo.variant == VariantCourier )
11336 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
11341 if(gameInfo.variant == VariantXiangqi)
11342 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
11343 if(gameInfo.variant == VariantKnightmate)
11344 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
11347 if (gameMode == IcsExamining) {
11348 sprintf(buf, "%s%c@%c%c\n", ics_prefix,
11349 PieceToChar(selection), AAA + x, ONE + y);
11352 boards[0][y][x] = selection;
11353 DrawPosition(FALSE, boards[0]);
11361 DropMenuEvent(selection, x, y)
11362 ChessSquare selection;
11365 ChessMove moveType;
11367 switch (gameMode) {
11368 case IcsPlayingWhite:
11369 case MachinePlaysBlack:
11370 if (!WhiteOnMove(currentMove)) {
11371 DisplayMoveError(_("It is Black's turn"));
11374 moveType = WhiteDrop;
11376 case IcsPlayingBlack:
11377 case MachinePlaysWhite:
11378 if (WhiteOnMove(currentMove)) {
11379 DisplayMoveError(_("It is White's turn"));
11382 moveType = BlackDrop;
11385 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
11391 if (moveType == BlackDrop && selection < BlackPawn) {
11392 selection = (ChessSquare) ((int) selection
11393 + (int) BlackPawn - (int) WhitePawn);
11395 if (boards[currentMove][y][x] != EmptySquare) {
11396 DisplayMoveError(_("That square is occupied"));
11400 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
11406 /* Accept a pending offer of any kind from opponent */
11408 if (appData.icsActive) {
11409 SendToICS(ics_prefix);
11410 SendToICS("accept\n");
11411 } else if (cmailMsgLoaded) {
11412 if (currentMove == cmailOldMove &&
11413 commentList[cmailOldMove] != NULL &&
11414 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
11415 "Black offers a draw" : "White offers a draw")) {
11417 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11418 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
11420 DisplayError(_("There is no pending offer on this move"), 0);
11421 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11424 /* Not used for offers from chess program */
11431 /* Decline a pending offer of any kind from opponent */
11433 if (appData.icsActive) {
11434 SendToICS(ics_prefix);
11435 SendToICS("decline\n");
11436 } else if (cmailMsgLoaded) {
11437 if (currentMove == cmailOldMove &&
11438 commentList[cmailOldMove] != NULL &&
11439 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
11440 "Black offers a draw" : "White offers a draw")) {
11442 AppendComment(cmailOldMove, "Draw declined", TRUE);
11443 DisplayComment(cmailOldMove - 1, "Draw declined");
11446 DisplayError(_("There is no pending offer on this move"), 0);
11449 /* Not used for offers from chess program */
11456 /* Issue ICS rematch command */
11457 if (appData.icsActive) {
11458 SendToICS(ics_prefix);
11459 SendToICS("rematch\n");
11466 /* Call your opponent's flag (claim a win on time) */
11467 if (appData.icsActive) {
11468 SendToICS(ics_prefix);
11469 SendToICS("flag\n");
11471 switch (gameMode) {
11474 case MachinePlaysWhite:
11477 GameEnds(GameIsDrawn, "Both players ran out of time",
11480 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
11482 DisplayError(_("Your opponent is not out of time"), 0);
11485 case MachinePlaysBlack:
11488 GameEnds(GameIsDrawn, "Both players ran out of time",
11491 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
11493 DisplayError(_("Your opponent is not out of time"), 0);
11503 /* Offer draw or accept pending draw offer from opponent */
11505 if (appData.icsActive) {
11506 /* Note: tournament rules require draw offers to be
11507 made after you make your move but before you punch
11508 your clock. Currently ICS doesn't let you do that;
11509 instead, you immediately punch your clock after making
11510 a move, but you can offer a draw at any time. */
11512 SendToICS(ics_prefix);
11513 SendToICS("draw\n");
11514 } else if (cmailMsgLoaded) {
11515 if (currentMove == cmailOldMove &&
11516 commentList[cmailOldMove] != NULL &&
11517 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
11518 "Black offers a draw" : "White offers a draw")) {
11519 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11520 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
11521 } else if (currentMove == cmailOldMove + 1) {
11522 char *offer = WhiteOnMove(cmailOldMove) ?
11523 "White offers a draw" : "Black offers a draw";
11524 AppendComment(currentMove, offer, TRUE);
11525 DisplayComment(currentMove - 1, offer);
11526 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
11528 DisplayError(_("You must make your move before offering a draw"), 0);
11529 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11531 } else if (first.offeredDraw) {
11532 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
11534 if (first.sendDrawOffers) {
11535 SendToProgram("draw\n", &first);
11536 userOfferedDraw = TRUE;
11544 /* Offer Adjourn or accept pending Adjourn offer from opponent */
11546 if (appData.icsActive) {
11547 SendToICS(ics_prefix);
11548 SendToICS("adjourn\n");
11550 /* Currently GNU Chess doesn't offer or accept Adjourns */
11558 /* Offer Abort or accept pending Abort offer from opponent */
11560 if (appData.icsActive) {
11561 SendToICS(ics_prefix);
11562 SendToICS("abort\n");
11564 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
11571 /* Resign. You can do this even if it's not your turn. */
11573 if (appData.icsActive) {
11574 SendToICS(ics_prefix);
11575 SendToICS("resign\n");
11577 switch (gameMode) {
11578 case MachinePlaysWhite:
11579 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11581 case MachinePlaysBlack:
11582 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11585 if (cmailMsgLoaded) {
11587 if (WhiteOnMove(cmailOldMove)) {
11588 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11590 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11592 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
11603 StopObservingEvent()
11605 /* Stop observing current games */
11606 SendToICS(ics_prefix);
11607 SendToICS("unobserve\n");
11611 StopExaminingEvent()
11613 /* Stop observing current game */
11614 SendToICS(ics_prefix);
11615 SendToICS("unexamine\n");
11619 ForwardInner(target)
11624 if (appData.debugMode)
11625 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
11626 target, currentMove, forwardMostMove);
11628 if (gameMode == EditPosition)
11631 if (gameMode == PlayFromGameFile && !pausing)
11634 if (gameMode == IcsExamining && pausing)
11635 limit = pauseExamForwardMostMove;
11637 limit = forwardMostMove;
11639 if (target > limit) target = limit;
11641 if (target > 0 && moveList[target - 1][0]) {
11642 int fromX, fromY, toX, toY;
11643 toX = moveList[target - 1][2] - AAA;
11644 toY = moveList[target - 1][3] - ONE;
11645 if (moveList[target - 1][1] == '@') {
11646 if (appData.highlightLastMove) {
11647 SetHighlights(-1, -1, toX, toY);
11650 fromX = moveList[target - 1][0] - AAA;
11651 fromY = moveList[target - 1][1] - ONE;
11652 if (target == currentMove + 1) {
11653 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11655 if (appData.highlightLastMove) {
11656 SetHighlights(fromX, fromY, toX, toY);
11660 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11661 gameMode == Training || gameMode == PlayFromGameFile ||
11662 gameMode == AnalyzeFile) {
11663 while (currentMove < target) {
11664 SendMoveToProgram(currentMove++, &first);
11667 currentMove = target;
11670 if (gameMode == EditGame || gameMode == EndOfGame) {
11671 whiteTimeRemaining = timeRemaining[0][currentMove];
11672 blackTimeRemaining = timeRemaining[1][currentMove];
11674 DisplayBothClocks();
11675 DisplayMove(currentMove - 1);
11676 DrawPosition(FALSE, boards[currentMove]);
11677 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
11678 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
11679 DisplayComment(currentMove - 1, commentList[currentMove]);
11687 if (gameMode == IcsExamining && !pausing) {
11688 SendToICS(ics_prefix);
11689 SendToICS("forward\n");
11691 ForwardInner(currentMove + 1);
11698 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
11699 /* to optimze, we temporarily turn off analysis mode while we feed
11700 * the remaining moves to the engine. Otherwise we get analysis output
11703 if (first.analysisSupport) {
11704 SendToProgram("exit\nforce\n", &first);
11705 first.analyzing = FALSE;
11709 if (gameMode == IcsExamining && !pausing) {
11710 SendToICS(ics_prefix);
11711 SendToICS("forward 999999\n");
11713 ForwardInner(forwardMostMove);
11716 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
11717 /* we have fed all the moves, so reactivate analysis mode */
11718 SendToProgram("analyze\n", &first);
11719 first.analyzing = TRUE;
11720 /*first.maybeThinking = TRUE;*/
11721 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11726 BackwardInner(target)
11729 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
11731 if (appData.debugMode)
11732 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
11733 target, currentMove, forwardMostMove);
11735 if (gameMode == EditPosition) return;
11736 if (currentMove <= backwardMostMove) {
11738 DrawPosition(full_redraw, boards[currentMove]);
11741 if (gameMode == PlayFromGameFile && !pausing)
11744 if (moveList[target][0]) {
11745 int fromX, fromY, toX, toY;
11746 toX = moveList[target][2] - AAA;
11747 toY = moveList[target][3] - ONE;
11748 if (moveList[target][1] == '@') {
11749 if (appData.highlightLastMove) {
11750 SetHighlights(-1, -1, toX, toY);
11753 fromX = moveList[target][0] - AAA;
11754 fromY = moveList[target][1] - ONE;
11755 if (target == currentMove - 1) {
11756 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
11758 if (appData.highlightLastMove) {
11759 SetHighlights(fromX, fromY, toX, toY);
11763 if (gameMode == EditGame || gameMode==AnalyzeMode ||
11764 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
11765 while (currentMove > target) {
11766 SendToProgram("undo\n", &first);
11770 currentMove = target;
11773 if (gameMode == EditGame || gameMode == EndOfGame) {
11774 whiteTimeRemaining = timeRemaining[0][currentMove];
11775 blackTimeRemaining = timeRemaining[1][currentMove];
11777 DisplayBothClocks();
11778 DisplayMove(currentMove - 1);
11779 DrawPosition(full_redraw, boards[currentMove]);
11780 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
11781 // [HGM] PV info: routine tests if comment empty
11782 DisplayComment(currentMove - 1, commentList[currentMove]);
11788 if (gameMode == IcsExamining && !pausing) {
11789 SendToICS(ics_prefix);
11790 SendToICS("backward\n");
11792 BackwardInner(currentMove - 1);
11799 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
11800 /* to optimize, we temporarily turn off analysis mode while we undo
11801 * all the moves. Otherwise we get analysis output after each undo.
11803 if (first.analysisSupport) {
11804 SendToProgram("exit\nforce\n", &first);
11805 first.analyzing = FALSE;
11809 if (gameMode == IcsExamining && !pausing) {
11810 SendToICS(ics_prefix);
11811 SendToICS("backward 999999\n");
11813 BackwardInner(backwardMostMove);
11816 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
11817 /* we have fed all the moves, so reactivate analysis mode */
11818 SendToProgram("analyze\n", &first);
11819 first.analyzing = TRUE;
11820 /*first.maybeThinking = TRUE;*/
11821 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11828 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
11829 if (to >= forwardMostMove) to = forwardMostMove;
11830 if (to <= backwardMostMove) to = backwardMostMove;
11831 if (to < currentMove) {
11841 if(PopTail(TRUE)) { // [HGM] vari: restore old game tail
11844 if (gameMode != IcsExamining) {
11845 DisplayError(_("You are not examining a game"), 0);
11849 DisplayError(_("You can't revert while pausing"), 0);
11852 SendToICS(ics_prefix);
11853 SendToICS("revert\n");
11859 switch (gameMode) {
11860 case MachinePlaysWhite:
11861 case MachinePlaysBlack:
11862 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11863 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11866 if (forwardMostMove < 2) return;
11867 currentMove = forwardMostMove = forwardMostMove - 2;
11868 whiteTimeRemaining = timeRemaining[0][currentMove];
11869 blackTimeRemaining = timeRemaining[1][currentMove];
11870 DisplayBothClocks();
11871 DisplayMove(currentMove - 1);
11872 ClearHighlights();/*!! could figure this out*/
11873 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
11874 SendToProgram("remove\n", &first);
11875 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
11878 case BeginningOfGame:
11882 case IcsPlayingWhite:
11883 case IcsPlayingBlack:
11884 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
11885 SendToICS(ics_prefix);
11886 SendToICS("takeback 2\n");
11888 SendToICS(ics_prefix);
11889 SendToICS("takeback 1\n");
11898 ChessProgramState *cps;
11900 switch (gameMode) {
11901 case MachinePlaysWhite:
11902 if (!WhiteOnMove(forwardMostMove)) {
11903 DisplayError(_("It is your turn"), 0);
11908 case MachinePlaysBlack:
11909 if (WhiteOnMove(forwardMostMove)) {
11910 DisplayError(_("It is your turn"), 0);
11915 case TwoMachinesPlay:
11916 if (WhiteOnMove(forwardMostMove) ==
11917 (first.twoMachinesColor[0] == 'w')) {
11923 case BeginningOfGame:
11927 SendToProgram("?\n", cps);
11931 TruncateGameEvent()
11934 if (gameMode != EditGame) return;
11941 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
11942 if (forwardMostMove > currentMove) {
11943 if (gameInfo.resultDetails != NULL) {
11944 free(gameInfo.resultDetails);
11945 gameInfo.resultDetails = NULL;
11946 gameInfo.result = GameUnfinished;
11948 forwardMostMove = currentMove;
11949 HistorySet(parseList, backwardMostMove, forwardMostMove,
11957 if (appData.noChessProgram) return;
11958 switch (gameMode) {
11959 case MachinePlaysWhite:
11960 if (WhiteOnMove(forwardMostMove)) {
11961 DisplayError(_("Wait until your turn"), 0);
11965 case BeginningOfGame:
11966 case MachinePlaysBlack:
11967 if (!WhiteOnMove(forwardMostMove)) {
11968 DisplayError(_("Wait until your turn"), 0);
11973 DisplayError(_("No hint available"), 0);
11976 SendToProgram("hint\n", &first);
11977 hintRequested = TRUE;
11983 if (appData.noChessProgram) return;
11984 switch (gameMode) {
11985 case MachinePlaysWhite:
11986 if (WhiteOnMove(forwardMostMove)) {
11987 DisplayError(_("Wait until your turn"), 0);
11991 case BeginningOfGame:
11992 case MachinePlaysBlack:
11993 if (!WhiteOnMove(forwardMostMove)) {
11994 DisplayError(_("Wait until your turn"), 0);
11999 EditPositionDone(TRUE);
12001 case TwoMachinesPlay:
12006 SendToProgram("bk\n", &first);
12007 bookOutput[0] = NULLCHAR;
12008 bookRequested = TRUE;
12014 char *tags = PGNTags(&gameInfo);
12015 TagsPopUp(tags, CmailMsg());
12019 /* end button procedures */
12022 PrintPosition(fp, move)
12028 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12029 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
12030 char c = PieceToChar(boards[move][i][j]);
12031 fputc(c == 'x' ? '.' : c, fp);
12032 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
12035 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
12036 fprintf(fp, "white to play\n");
12038 fprintf(fp, "black to play\n");
12045 if (gameInfo.white != NULL) {
12046 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
12052 /* Find last component of program's own name, using some heuristics */
12054 TidyProgramName(prog, host, buf)
12055 char *prog, *host, buf[MSG_SIZ];
12058 int local = (strcmp(host, "localhost") == 0);
12059 while (!local && (p = strchr(prog, ';')) != NULL) {
12061 while (*p == ' ') p++;
12064 if (*prog == '"' || *prog == '\'') {
12065 q = strchr(prog + 1, *prog);
12067 q = strchr(prog, ' ');
12069 if (q == NULL) q = prog + strlen(prog);
12071 while (p >= prog && *p != '/' && *p != '\\') p--;
12073 if(p == prog && *p == '"') p++;
12074 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
12075 memcpy(buf, p, q - p);
12076 buf[q - p] = NULLCHAR;
12084 TimeControlTagValue()
12087 if (!appData.clockMode) {
12089 } else if (movesPerSession > 0) {
12090 sprintf(buf, "%d/%ld", movesPerSession, timeControl/1000);
12091 } else if (timeIncrement == 0) {
12092 sprintf(buf, "%ld", timeControl/1000);
12094 sprintf(buf, "%ld+%ld", timeControl/1000, timeIncrement/1000);
12096 return StrSave(buf);
12102 /* This routine is used only for certain modes */
12103 VariantClass v = gameInfo.variant;
12104 ChessMove r = GameUnfinished;
12107 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
12108 r = gameInfo.result;
12109 p = gameInfo.resultDetails;
12110 gameInfo.resultDetails = NULL;
12112 ClearGameInfo(&gameInfo);
12113 gameInfo.variant = v;
12115 switch (gameMode) {
12116 case MachinePlaysWhite:
12117 gameInfo.event = StrSave( appData.pgnEventHeader );
12118 gameInfo.site = StrSave(HostName());
12119 gameInfo.date = PGNDate();
12120 gameInfo.round = StrSave("-");
12121 gameInfo.white = StrSave(first.tidy);
12122 gameInfo.black = StrSave(UserName());
12123 gameInfo.timeControl = TimeControlTagValue();
12126 case MachinePlaysBlack:
12127 gameInfo.event = StrSave( appData.pgnEventHeader );
12128 gameInfo.site = StrSave(HostName());
12129 gameInfo.date = PGNDate();
12130 gameInfo.round = StrSave("-");
12131 gameInfo.white = StrSave(UserName());
12132 gameInfo.black = StrSave(first.tidy);
12133 gameInfo.timeControl = TimeControlTagValue();
12136 case TwoMachinesPlay:
12137 gameInfo.event = StrSave( appData.pgnEventHeader );
12138 gameInfo.site = StrSave(HostName());
12139 gameInfo.date = PGNDate();
12140 if (matchGame > 0) {
12142 sprintf(buf, "%d", matchGame);
12143 gameInfo.round = StrSave(buf);
12145 gameInfo.round = StrSave("-");
12147 if (first.twoMachinesColor[0] == 'w') {
12148 gameInfo.white = StrSave(first.tidy);
12149 gameInfo.black = StrSave(second.tidy);
12151 gameInfo.white = StrSave(second.tidy);
12152 gameInfo.black = StrSave(first.tidy);
12154 gameInfo.timeControl = TimeControlTagValue();
12158 gameInfo.event = StrSave("Edited game");
12159 gameInfo.site = StrSave(HostName());
12160 gameInfo.date = PGNDate();
12161 gameInfo.round = StrSave("-");
12162 gameInfo.white = StrSave("-");
12163 gameInfo.black = StrSave("-");
12164 gameInfo.result = r;
12165 gameInfo.resultDetails = p;
12169 gameInfo.event = StrSave("Edited position");
12170 gameInfo.site = StrSave(HostName());
12171 gameInfo.date = PGNDate();
12172 gameInfo.round = StrSave("-");
12173 gameInfo.white = StrSave("-");
12174 gameInfo.black = StrSave("-");
12177 case IcsPlayingWhite:
12178 case IcsPlayingBlack:
12183 case PlayFromGameFile:
12184 gameInfo.event = StrSave("Game from non-PGN file");
12185 gameInfo.site = StrSave(HostName());
12186 gameInfo.date = PGNDate();
12187 gameInfo.round = StrSave("-");
12188 gameInfo.white = StrSave("?");
12189 gameInfo.black = StrSave("?");
12198 ReplaceComment(index, text)
12204 while (*text == '\n') text++;
12205 len = strlen(text);
12206 while (len > 0 && text[len - 1] == '\n') len--;
12208 if (commentList[index] != NULL)
12209 free(commentList[index]);
12212 commentList[index] = NULL;
12215 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
12216 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
12217 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
12218 commentList[index] = (char *) malloc(len + 2);
12219 strncpy(commentList[index], text, len);
12220 commentList[index][len] = '\n';
12221 commentList[index][len + 1] = NULLCHAR;
12223 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
12225 commentList[index] = (char *) malloc(len + 6);
12226 strcpy(commentList[index], "{\n");
12227 strncpy(commentList[index]+2, text, len);
12228 commentList[index][len+2] = NULLCHAR;
12229 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
12230 strcat(commentList[index], "\n}\n");
12244 if (ch == '\r') continue;
12246 } while (ch != '\0');
12250 AppendComment(index, text, addBraces)
12253 Boolean addBraces; // [HGM] braces: tells if we should add {}
12258 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
12259 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
12262 while (*text == '\n') text++;
12263 len = strlen(text);
12264 while (len > 0 && text[len - 1] == '\n') len--;
12266 if (len == 0) return;
12268 if (commentList[index] != NULL) {
12269 old = commentList[index];
12270 oldlen = strlen(old);
12271 while(commentList[index][oldlen-1] == '\n')
12272 commentList[index][--oldlen] = NULLCHAR;
12273 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
12274 strcpy(commentList[index], old);
12276 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
12277 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces)) {
12278 if(addBraces) addBraces = FALSE; else { text++; len--; }
12279 while (*text == '\n') { text++; len--; }
12280 commentList[index][--oldlen] = NULLCHAR;
12282 if(addBraces) strcat(commentList[index], "\n{\n");
12283 else strcat(commentList[index], "\n");
12284 strcat(commentList[index], text);
12285 if(addBraces) strcat(commentList[index], "\n}\n");
12286 else strcat(commentList[index], "\n");
12288 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
12290 strcpy(commentList[index], "{\n");
12291 else commentList[index][0] = NULLCHAR;
12292 strcat(commentList[index], text);
12293 strcat(commentList[index], "\n");
12294 if(addBraces) strcat(commentList[index], "}\n");
12298 static char * FindStr( char * text, char * sub_text )
12300 char * result = strstr( text, sub_text );
12302 if( result != NULL ) {
12303 result += strlen( sub_text );
12309 /* [AS] Try to extract PV info from PGN comment */
12310 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
12311 char *GetInfoFromComment( int index, char * text )
12315 if( text != NULL && index > 0 ) {
12318 int time = -1, sec = 0, deci;
12319 char * s_eval = FindStr( text, "[%eval " );
12320 char * s_emt = FindStr( text, "[%emt " );
12322 if( s_eval != NULL || s_emt != NULL ) {
12326 if( s_eval != NULL ) {
12327 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
12331 if( delim != ']' ) {
12336 if( s_emt != NULL ) {
12341 /* We expect something like: [+|-]nnn.nn/dd */
12344 if(*text != '{') return text; // [HGM] braces: must be normal comment
12346 sep = strchr( text, '/' );
12347 if( sep == NULL || sep < (text+4) ) {
12351 time = -1; sec = -1; deci = -1;
12352 if( sscanf( text+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
12353 sscanf( text+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
12354 sscanf( text+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
12355 sscanf( text+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
12359 if( score_lo < 0 || score_lo >= 100 ) {
12363 if(sec >= 0) time = 600*time + 10*sec; else
12364 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
12366 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
12368 /* [HGM] PV time: now locate end of PV info */
12369 while( *++sep >= '0' && *sep <= '9'); // strip depth
12371 while( *++sep >= '0' && *sep <= '9'); // strip time
12373 while( *++sep >= '0' && *sep <= '9'); // strip seconds
12375 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
12376 while(*sep == ' ') sep++;
12387 pvInfoList[index-1].depth = depth;
12388 pvInfoList[index-1].score = score;
12389 pvInfoList[index-1].time = 10*time; // centi-sec
12390 if(*sep == '}') *sep = 0; else *--sep = '{';
12396 SendToProgram(message, cps)
12398 ChessProgramState *cps;
12400 int count, outCount, error;
12403 if (cps->pr == NULL) return;
12406 if (appData.debugMode) {
12409 fprintf(debugFP, "%ld >%-6s: %s",
12410 SubtractTimeMarks(&now, &programStartTime),
12411 cps->which, message);
12414 count = strlen(message);
12415 outCount = OutputToProcess(cps->pr, message, count, &error);
12416 if (outCount < count && !exiting
12417 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
12418 sprintf(buf, _("Error writing to %s chess program"), cps->which);
12419 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
12420 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
12421 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
12422 sprintf(buf, "%s program exits in draw position (%s)", cps->which, cps->program);
12424 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
12426 gameInfo.resultDetails = StrSave(buf);
12428 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
12433 ReceiveFromProgram(isr, closure, message, count, error)
12434 InputSourceRef isr;
12442 ChessProgramState *cps = (ChessProgramState *)closure;
12444 if (isr != cps->isr) return; /* Killed intentionally */
12448 _("Error: %s chess program (%s) exited unexpectedly"),
12449 cps->which, cps->program);
12450 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
12451 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
12452 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
12453 sprintf(buf, _("%s program exits in draw position (%s)"), cps->which, cps->program);
12455 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
12457 gameInfo.resultDetails = StrSave(buf);
12459 RemoveInputSource(cps->isr);
12460 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
12463 _("Error reading from %s chess program (%s)"),
12464 cps->which, cps->program);
12465 RemoveInputSource(cps->isr);
12467 /* [AS] Program is misbehaving badly... kill it */
12468 if( count == -2 ) {
12469 DestroyChildProcess( cps->pr, 9 );
12473 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
12478 if ((end_str = strchr(message, '\r')) != NULL)
12479 *end_str = NULLCHAR;
12480 if ((end_str = strchr(message, '\n')) != NULL)
12481 *end_str = NULLCHAR;
12483 if (appData.debugMode) {
12484 TimeMark now; int print = 1;
12485 char *quote = ""; char c; int i;
12487 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
12488 char start = message[0];
12489 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
12490 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
12491 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
12492 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
12493 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
12494 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
12495 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
12496 sscanf(message, "pong %c", &c)!=1 && start != '#')
12497 { quote = "# "; print = (appData.engineComments == 2); }
12498 message[0] = start; // restore original message
12502 fprintf(debugFP, "%ld <%-6s: %s%s\n",
12503 SubtractTimeMarks(&now, &programStartTime), cps->which,
12509 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
12510 if (appData.icsEngineAnalyze) {
12511 if (strstr(message, "whisper") != NULL ||
12512 strstr(message, "kibitz") != NULL ||
12513 strstr(message, "tellics") != NULL) return;
12516 HandleMachineMove(message, cps);
12521 SendTimeControl(cps, mps, tc, inc, sd, st)
12522 ChessProgramState *cps;
12523 int mps, inc, sd, st;
12529 if( timeControl_2 > 0 ) {
12530 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
12531 tc = timeControl_2;
12534 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
12535 inc /= cps->timeOdds;
12536 st /= cps->timeOdds;
12538 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
12541 /* Set exact time per move, normally using st command */
12542 if (cps->stKludge) {
12543 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
12545 if (seconds == 0) {
12546 sprintf(buf, "level 1 %d\n", st/60);
12548 sprintf(buf, "level 1 %d:%02d\n", st/60, seconds);
12551 sprintf(buf, "st %d\n", st);
12554 /* Set conventional or incremental time control, using level command */
12555 if (seconds == 0) {
12556 /* Note old gnuchess bug -- minutes:seconds used to not work.
12557 Fixed in later versions, but still avoid :seconds
12558 when seconds is 0. */
12559 sprintf(buf, "level %d %ld %d\n", mps, tc/60000, inc/1000);
12561 sprintf(buf, "level %d %ld:%02d %d\n", mps, tc/60000,
12562 seconds, inc/1000);
12565 SendToProgram(buf, cps);
12567 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
12568 /* Orthogonally, limit search to given depth */
12570 if (cps->sdKludge) {
12571 sprintf(buf, "depth\n%d\n", sd);
12573 sprintf(buf, "sd %d\n", sd);
12575 SendToProgram(buf, cps);
12578 if(cps->nps > 0) { /* [HGM] nps */
12579 if(cps->supportsNPS == FALSE) cps->nps = -1; // don't use if engine explicitly says not supported!
12581 sprintf(buf, "nps %d\n", cps->nps);
12582 SendToProgram(buf, cps);
12587 ChessProgramState *WhitePlayer()
12588 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
12590 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
12591 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
12597 SendTimeRemaining(cps, machineWhite)
12598 ChessProgramState *cps;
12599 int /*boolean*/ machineWhite;
12601 char message[MSG_SIZ];
12604 /* Note: this routine must be called when the clocks are stopped
12605 or when they have *just* been set or switched; otherwise
12606 it will be off by the time since the current tick started.
12608 if (machineWhite) {
12609 time = whiteTimeRemaining / 10;
12610 otime = blackTimeRemaining / 10;
12612 time = blackTimeRemaining / 10;
12613 otime = whiteTimeRemaining / 10;
12615 /* [HGM] translate opponent's time by time-odds factor */
12616 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
12617 if (appData.debugMode) {
12618 fprintf(debugFP, "time odds: %d %d \n", cps->timeOdds, cps->other->timeOdds);
12621 if (time <= 0) time = 1;
12622 if (otime <= 0) otime = 1;
12624 sprintf(message, "time %ld\n", time);
12625 SendToProgram(message, cps);
12627 sprintf(message, "otim %ld\n", otime);
12628 SendToProgram(message, cps);
12632 BoolFeature(p, name, loc, cps)
12636 ChessProgramState *cps;
12639 int len = strlen(name);
12641 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
12643 sscanf(*p, "%d", &val);
12645 while (**p && **p != ' ') (*p)++;
12646 sprintf(buf, "accepted %s\n", name);
12647 SendToProgram(buf, cps);
12654 IntFeature(p, name, loc, cps)
12658 ChessProgramState *cps;
12661 int len = strlen(name);
12662 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
12664 sscanf(*p, "%d", loc);
12665 while (**p && **p != ' ') (*p)++;
12666 sprintf(buf, "accepted %s\n", name);
12667 SendToProgram(buf, cps);
12674 StringFeature(p, name, loc, cps)
12678 ChessProgramState *cps;
12681 int len = strlen(name);
12682 if (strncmp((*p), name, len) == 0
12683 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
12685 sscanf(*p, "%[^\"]", loc);
12686 while (**p && **p != '\"') (*p)++;
12687 if (**p == '\"') (*p)++;
12688 sprintf(buf, "accepted %s\n", name);
12689 SendToProgram(buf, cps);
12696 ParseOption(Option *opt, ChessProgramState *cps)
12697 // [HGM] options: process the string that defines an engine option, and determine
12698 // name, type, default value, and allowed value range
12700 char *p, *q, buf[MSG_SIZ];
12701 int n, min = (-1)<<31, max = 1<<31, def;
12703 if(p = strstr(opt->name, " -spin ")) {
12704 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
12705 if(max < min) max = min; // enforce consistency
12706 if(def < min) def = min;
12707 if(def > max) def = max;
12712 } else if((p = strstr(opt->name, " -slider "))) {
12713 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
12714 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
12715 if(max < min) max = min; // enforce consistency
12716 if(def < min) def = min;
12717 if(def > max) def = max;
12721 opt->type = Spin; // Slider;
12722 } else if((p = strstr(opt->name, " -string "))) {
12723 opt->textValue = p+9;
12724 opt->type = TextBox;
12725 } else if((p = strstr(opt->name, " -file "))) {
12726 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
12727 opt->textValue = p+7;
12728 opt->type = TextBox; // FileName;
12729 } else if((p = strstr(opt->name, " -path "))) {
12730 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
12731 opt->textValue = p+7;
12732 opt->type = TextBox; // PathName;
12733 } else if(p = strstr(opt->name, " -check ")) {
12734 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
12735 opt->value = (def != 0);
12736 opt->type = CheckBox;
12737 } else if(p = strstr(opt->name, " -combo ")) {
12738 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
12739 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
12740 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
12741 opt->value = n = 0;
12742 while(q = StrStr(q, " /// ")) {
12743 n++; *q = 0; // count choices, and null-terminate each of them
12745 if(*q == '*') { // remember default, which is marked with * prefix
12749 cps->comboList[cps->comboCnt++] = q;
12751 cps->comboList[cps->comboCnt++] = NULL;
12753 opt->type = ComboBox;
12754 } else if(p = strstr(opt->name, " -button")) {
12755 opt->type = Button;
12756 } else if(p = strstr(opt->name, " -save")) {
12757 opt->type = SaveButton;
12758 } else return FALSE;
12759 *p = 0; // terminate option name
12760 // now look if the command-line options define a setting for this engine option.
12761 if(cps->optionSettings && cps->optionSettings[0])
12762 p = strstr(cps->optionSettings, opt->name); else p = NULL;
12763 if(p && (p == cps->optionSettings || p[-1] == ',')) {
12764 sprintf(buf, "option %s", p);
12765 if(p = strstr(buf, ",")) *p = 0;
12767 SendToProgram(buf, cps);
12773 FeatureDone(cps, val)
12774 ChessProgramState* cps;
12777 DelayedEventCallback cb = GetDelayedEvent();
12778 if ((cb == InitBackEnd3 && cps == &first) ||
12779 (cb == TwoMachinesEventIfReady && cps == &second)) {
12780 CancelDelayedEvent();
12781 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
12783 cps->initDone = val;
12786 /* Parse feature command from engine */
12788 ParseFeatures(args, cps)
12790 ChessProgramState *cps;
12798 while (*p == ' ') p++;
12799 if (*p == NULLCHAR) return;
12801 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
12802 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
12803 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
12804 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
12805 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
12806 if (BoolFeature(&p, "reuse", &val, cps)) {
12807 /* Engine can disable reuse, but can't enable it if user said no */
12808 if (!val) cps->reuse = FALSE;
12811 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
12812 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
12813 if (gameMode == TwoMachinesPlay) {
12814 DisplayTwoMachinesTitle();
12820 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
12821 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
12822 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
12823 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
12824 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
12825 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
12826 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
12827 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
12828 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
12829 if (IntFeature(&p, "done", &val, cps)) {
12830 FeatureDone(cps, val);
12833 /* Added by Tord: */
12834 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
12835 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
12836 /* End of additions by Tord */
12838 /* [HGM] added features: */
12839 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
12840 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
12841 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
12842 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
12843 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
12844 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
12845 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
12846 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
12847 sprintf(buf, "rejected option %s\n", cps->option[--cps->nrOptions].name);
12848 SendToProgram(buf, cps);
12851 if(cps->nrOptions >= MAX_OPTIONS) {
12853 sprintf(buf, "%s engine has too many options\n", cps->which);
12854 DisplayError(buf, 0);
12858 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
12859 /* End of additions by HGM */
12861 /* unknown feature: complain and skip */
12863 while (*q && *q != '=') q++;
12864 sprintf(buf, "rejected %.*s\n", (int)(q-p), p);
12865 SendToProgram(buf, cps);
12871 while (*p && *p != '\"') p++;
12872 if (*p == '\"') p++;
12874 while (*p && *p != ' ') p++;
12882 PeriodicUpdatesEvent(newState)
12885 if (newState == appData.periodicUpdates)
12888 appData.periodicUpdates=newState;
12890 /* Display type changes, so update it now */
12891 // DisplayAnalysis();
12893 /* Get the ball rolling again... */
12895 AnalysisPeriodicEvent(1);
12896 StartAnalysisClock();
12901 PonderNextMoveEvent(newState)
12904 if (newState == appData.ponderNextMove) return;
12905 if (gameMode == EditPosition) EditPositionDone(TRUE);
12907 SendToProgram("hard\n", &first);
12908 if (gameMode == TwoMachinesPlay) {
12909 SendToProgram("hard\n", &second);
12912 SendToProgram("easy\n", &first);
12913 thinkOutput[0] = NULLCHAR;
12914 if (gameMode == TwoMachinesPlay) {
12915 SendToProgram("easy\n", &second);
12918 appData.ponderNextMove = newState;
12922 NewSettingEvent(option, command, value)
12928 if (gameMode == EditPosition) EditPositionDone(TRUE);
12929 sprintf(buf, "%s%s %d\n", (option ? "option ": ""), command, value);
12930 SendToProgram(buf, &first);
12931 if (gameMode == TwoMachinesPlay) {
12932 SendToProgram(buf, &second);
12937 ShowThinkingEvent()
12938 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
12940 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
12941 int newState = appData.showThinking
12942 // [HGM] thinking: other features now need thinking output as well
12943 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
12945 if (oldState == newState) return;
12946 oldState = newState;
12947 if (gameMode == EditPosition) EditPositionDone(TRUE);
12949 SendToProgram("post\n", &first);
12950 if (gameMode == TwoMachinesPlay) {
12951 SendToProgram("post\n", &second);
12954 SendToProgram("nopost\n", &first);
12955 thinkOutput[0] = NULLCHAR;
12956 if (gameMode == TwoMachinesPlay) {
12957 SendToProgram("nopost\n", &second);
12960 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
12964 AskQuestionEvent(title, question, replyPrefix, which)
12965 char *title; char *question; char *replyPrefix; char *which;
12967 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
12968 if (pr == NoProc) return;
12969 AskQuestion(title, question, replyPrefix, pr);
12973 DisplayMove(moveNumber)
12976 char message[MSG_SIZ];
12978 char cpThinkOutput[MSG_SIZ];
12980 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
12982 if (moveNumber == forwardMostMove - 1 ||
12983 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12985 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput));
12987 if (strchr(cpThinkOutput, '\n')) {
12988 *strchr(cpThinkOutput, '\n') = NULLCHAR;
12991 *cpThinkOutput = NULLCHAR;
12994 /* [AS] Hide thinking from human user */
12995 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
12996 *cpThinkOutput = NULLCHAR;
12997 if( thinkOutput[0] != NULLCHAR ) {
13000 for( i=0; i<=hiddenThinkOutputState; i++ ) {
13001 cpThinkOutput[i] = '.';
13003 cpThinkOutput[i] = NULLCHAR;
13004 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
13008 if (moveNumber == forwardMostMove - 1 &&
13009 gameInfo.resultDetails != NULL) {
13010 if (gameInfo.resultDetails[0] == NULLCHAR) {
13011 sprintf(res, " %s", PGNResult(gameInfo.result));
13013 sprintf(res, " {%s} %s",
13014 gameInfo.resultDetails, PGNResult(gameInfo.result));
13020 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
13021 DisplayMessage(res, cpThinkOutput);
13023 sprintf(message, "%d.%s%s%s", moveNumber / 2 + 1,
13024 WhiteOnMove(moveNumber) ? " " : ".. ",
13025 parseList[moveNumber], res);
13026 DisplayMessage(message, cpThinkOutput);
13031 DisplayComment(moveNumber, text)
13035 char title[MSG_SIZ];
13036 char buf[8000]; // comment can be long!
13039 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
13040 strcpy(title, "Comment");
13042 sprintf(title, "Comment on %d.%s%s", moveNumber / 2 + 1,
13043 WhiteOnMove(moveNumber) ? " " : ".. ",
13044 parseList[moveNumber]);
13046 // [HGM] PV info: display PV info together with (or as) comment
13047 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
13048 if(text == NULL) text = "";
13049 score = pvInfoList[moveNumber].score;
13050 sprintf(buf, "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
13051 depth, (pvInfoList[moveNumber].time+50)/100, text);
13054 if (text != NULL && (appData.autoDisplayComment || commentUp))
13055 CommentPopUp(title, text);
13058 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
13059 * might be busy thinking or pondering. It can be omitted if your
13060 * gnuchess is configured to stop thinking immediately on any user
13061 * input. However, that gnuchess feature depends on the FIONREAD
13062 * ioctl, which does not work properly on some flavors of Unix.
13066 ChessProgramState *cps;
13069 if (!cps->useSigint) return;
13070 if (appData.noChessProgram || (cps->pr == NoProc)) return;
13071 switch (gameMode) {
13072 case MachinePlaysWhite:
13073 case MachinePlaysBlack:
13074 case TwoMachinesPlay:
13075 case IcsPlayingWhite:
13076 case IcsPlayingBlack:
13079 /* Skip if we know it isn't thinking */
13080 if (!cps->maybeThinking) return;
13081 if (appData.debugMode)
13082 fprintf(debugFP, "Interrupting %s\n", cps->which);
13083 InterruptChildProcess(cps->pr);
13084 cps->maybeThinking = FALSE;
13089 #endif /*ATTENTION*/
13095 if (whiteTimeRemaining <= 0) {
13098 if (appData.icsActive) {
13099 if (appData.autoCallFlag &&
13100 gameMode == IcsPlayingBlack && !blackFlag) {
13101 SendToICS(ics_prefix);
13102 SendToICS("flag\n");
13106 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
13108 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
13109 if (appData.autoCallFlag) {
13110 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
13117 if (blackTimeRemaining <= 0) {
13120 if (appData.icsActive) {
13121 if (appData.autoCallFlag &&
13122 gameMode == IcsPlayingWhite && !whiteFlag) {
13123 SendToICS(ics_prefix);
13124 SendToICS("flag\n");
13128 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
13130 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
13131 if (appData.autoCallFlag) {
13132 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
13145 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
13146 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
13149 * add time to clocks when time control is achieved ([HGM] now also used for increment)
13151 if ( !WhiteOnMove(forwardMostMove) )
13152 /* White made time control */
13153 whiteTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
13154 /* [HGM] time odds: correct new time quota for time odds! */
13155 / WhitePlayer()->timeOdds;
13157 /* Black made time control */
13158 blackTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
13159 / WhitePlayer()->other->timeOdds;
13163 DisplayBothClocks()
13165 int wom = gameMode == EditPosition ?
13166 !blackPlaysFirst : WhiteOnMove(currentMove);
13167 DisplayWhiteClock(whiteTimeRemaining, wom);
13168 DisplayBlackClock(blackTimeRemaining, !wom);
13172 /* Timekeeping seems to be a portability nightmare. I think everyone
13173 has ftime(), but I'm really not sure, so I'm including some ifdefs
13174 to use other calls if you don't. Clocks will be less accurate if
13175 you have neither ftime nor gettimeofday.
13178 /* VS 2008 requires the #include outside of the function */
13179 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
13180 #include <sys/timeb.h>
13183 /* Get the current time as a TimeMark */
13188 #if HAVE_GETTIMEOFDAY
13190 struct timeval timeVal;
13191 struct timezone timeZone;
13193 gettimeofday(&timeVal, &timeZone);
13194 tm->sec = (long) timeVal.tv_sec;
13195 tm->ms = (int) (timeVal.tv_usec / 1000L);
13197 #else /*!HAVE_GETTIMEOFDAY*/
13200 // include <sys/timeb.h> / moved to just above start of function
13201 struct timeb timeB;
13204 tm->sec = (long) timeB.time;
13205 tm->ms = (int) timeB.millitm;
13207 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
13208 tm->sec = (long) time(NULL);
13214 /* Return the difference in milliseconds between two
13215 time marks. We assume the difference will fit in a long!
13218 SubtractTimeMarks(tm2, tm1)
13219 TimeMark *tm2, *tm1;
13221 return 1000L*(tm2->sec - tm1->sec) +
13222 (long) (tm2->ms - tm1->ms);
13227 * Code to manage the game clocks.
13229 * In tournament play, black starts the clock and then white makes a move.
13230 * We give the human user a slight advantage if he is playing white---the
13231 * clocks don't run until he makes his first move, so it takes zero time.
13232 * Also, we don't account for network lag, so we could get out of sync
13233 * with GNU Chess's clock -- but then, referees are always right.
13236 static TimeMark tickStartTM;
13237 static long intendedTickLength;
13240 NextTickLength(timeRemaining)
13241 long timeRemaining;
13243 long nominalTickLength, nextTickLength;
13245 if (timeRemaining > 0L && timeRemaining <= 10000L)
13246 nominalTickLength = 100L;
13248 nominalTickLength = 1000L;
13249 nextTickLength = timeRemaining % nominalTickLength;
13250 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
13252 return nextTickLength;
13255 /* Adjust clock one minute up or down */
13257 AdjustClock(Boolean which, int dir)
13259 if(which) blackTimeRemaining += 60000*dir;
13260 else whiteTimeRemaining += 60000*dir;
13261 DisplayBothClocks();
13264 /* Stop clocks and reset to a fresh time control */
13268 (void) StopClockTimer();
13269 if (appData.icsActive) {
13270 whiteTimeRemaining = blackTimeRemaining = 0;
13271 } else if (searchTime) {
13272 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
13273 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
13274 } else { /* [HGM] correct new time quote for time odds */
13275 whiteTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->timeOdds;
13276 blackTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->other->timeOdds;
13278 if (whiteFlag || blackFlag) {
13280 whiteFlag = blackFlag = FALSE;
13282 DisplayBothClocks();
13285 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
13287 /* Decrement running clock by amount of time that has passed */
13291 long timeRemaining;
13292 long lastTickLength, fudge;
13295 if (!appData.clockMode) return;
13296 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
13300 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
13302 /* Fudge if we woke up a little too soon */
13303 fudge = intendedTickLength - lastTickLength;
13304 if (fudge < 0 || fudge > FUDGE) fudge = 0;
13306 if (WhiteOnMove(forwardMostMove)) {
13307 if(whiteNPS >= 0) lastTickLength = 0;
13308 timeRemaining = whiteTimeRemaining -= lastTickLength;
13309 DisplayWhiteClock(whiteTimeRemaining - fudge,
13310 WhiteOnMove(currentMove));
13312 if(blackNPS >= 0) lastTickLength = 0;
13313 timeRemaining = blackTimeRemaining -= lastTickLength;
13314 DisplayBlackClock(blackTimeRemaining - fudge,
13315 !WhiteOnMove(currentMove));
13318 if (CheckFlags()) return;
13321 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
13322 StartClockTimer(intendedTickLength);
13324 /* if the time remaining has fallen below the alarm threshold, sound the
13325 * alarm. if the alarm has sounded and (due to a takeback or time control
13326 * with increment) the time remaining has increased to a level above the
13327 * threshold, reset the alarm so it can sound again.
13330 if (appData.icsActive && appData.icsAlarm) {
13332 /* make sure we are dealing with the user's clock */
13333 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
13334 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
13337 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
13338 alarmSounded = FALSE;
13339 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
13341 alarmSounded = TRUE;
13347 /* A player has just moved, so stop the previously running
13348 clock and (if in clock mode) start the other one.
13349 We redisplay both clocks in case we're in ICS mode, because
13350 ICS gives us an update to both clocks after every move.
13351 Note that this routine is called *after* forwardMostMove
13352 is updated, so the last fractional tick must be subtracted
13353 from the color that is *not* on move now.
13358 long lastTickLength;
13360 int flagged = FALSE;
13364 if (StopClockTimer() && appData.clockMode) {
13365 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
13366 if (WhiteOnMove(forwardMostMove)) {
13367 if(blackNPS >= 0) lastTickLength = 0;
13368 blackTimeRemaining -= lastTickLength;
13369 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
13370 // if(pvInfoList[forwardMostMove-1].time == -1)
13371 pvInfoList[forwardMostMove-1].time = // use GUI time
13372 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
13374 if(whiteNPS >= 0) lastTickLength = 0;
13375 whiteTimeRemaining -= lastTickLength;
13376 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
13377 // if(pvInfoList[forwardMostMove-1].time == -1)
13378 pvInfoList[forwardMostMove-1].time =
13379 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
13381 flagged = CheckFlags();
13383 CheckTimeControl();
13385 if (flagged || !appData.clockMode) return;
13387 switch (gameMode) {
13388 case MachinePlaysBlack:
13389 case MachinePlaysWhite:
13390 case BeginningOfGame:
13391 if (pausing) return;
13395 case PlayFromGameFile:
13403 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
13404 if(WhiteOnMove(forwardMostMove))
13405 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
13406 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
13410 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
13411 whiteTimeRemaining : blackTimeRemaining);
13412 StartClockTimer(intendedTickLength);
13416 /* Stop both clocks */
13420 long lastTickLength;
13423 if (!StopClockTimer()) return;
13424 if (!appData.clockMode) return;
13428 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
13429 if (WhiteOnMove(forwardMostMove)) {
13430 if(whiteNPS >= 0) lastTickLength = 0;
13431 whiteTimeRemaining -= lastTickLength;
13432 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
13434 if(blackNPS >= 0) lastTickLength = 0;
13435 blackTimeRemaining -= lastTickLength;
13436 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
13441 /* Start clock of player on move. Time may have been reset, so
13442 if clock is already running, stop and restart it. */
13446 (void) StopClockTimer(); /* in case it was running already */
13447 DisplayBothClocks();
13448 if (CheckFlags()) return;
13450 if (!appData.clockMode) return;
13451 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
13453 GetTimeMark(&tickStartTM);
13454 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
13455 whiteTimeRemaining : blackTimeRemaining);
13457 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
13458 whiteNPS = blackNPS = -1;
13459 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
13460 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
13461 whiteNPS = first.nps;
13462 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
13463 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
13464 blackNPS = first.nps;
13465 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
13466 whiteNPS = second.nps;
13467 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
13468 blackNPS = second.nps;
13469 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
13471 StartClockTimer(intendedTickLength);
13478 long second, minute, hour, day;
13480 static char buf[32];
13482 if (ms > 0 && ms <= 9900) {
13483 /* convert milliseconds to tenths, rounding up */
13484 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
13486 sprintf(buf, " %03.1f ", tenths/10.0);
13490 /* convert milliseconds to seconds, rounding up */
13491 /* use floating point to avoid strangeness of integer division
13492 with negative dividends on many machines */
13493 second = (long) floor(((double) (ms + 999L)) / 1000.0);
13500 day = second / (60 * 60 * 24);
13501 second = second % (60 * 60 * 24);
13502 hour = second / (60 * 60);
13503 second = second % (60 * 60);
13504 minute = second / 60;
13505 second = second % 60;
13508 sprintf(buf, " %s%ld:%02ld:%02ld:%02ld ",
13509 sign, day, hour, minute, second);
13511 sprintf(buf, " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
13513 sprintf(buf, " %s%2ld:%02ld ", sign, minute, second);
13520 * This is necessary because some C libraries aren't ANSI C compliant yet.
13523 StrStr(string, match)
13524 char *string, *match;
13528 length = strlen(match);
13530 for (i = strlen(string) - length; i >= 0; i--, string++)
13531 if (!strncmp(match, string, length))
13538 StrCaseStr(string, match)
13539 char *string, *match;
13543 length = strlen(match);
13545 for (i = strlen(string) - length; i >= 0; i--, string++) {
13546 for (j = 0; j < length; j++) {
13547 if (ToLower(match[j]) != ToLower(string[j]))
13550 if (j == length) return string;
13564 c1 = ToLower(*s1++);
13565 c2 = ToLower(*s2++);
13566 if (c1 > c2) return 1;
13567 if (c1 < c2) return -1;
13568 if (c1 == NULLCHAR) return 0;
13577 return isupper(c) ? tolower(c) : c;
13585 return islower(c) ? toupper(c) : c;
13587 #endif /* !_amigados */
13595 if ((ret = (char *) malloc(strlen(s) + 1))) {
13602 StrSavePtr(s, savePtr)
13603 char *s, **savePtr;
13608 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
13609 strcpy(*savePtr, s);
13621 clock = time((time_t *)NULL);
13622 tm = localtime(&clock);
13623 sprintf(buf, "%04d.%02d.%02d",
13624 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
13625 return StrSave(buf);
13630 PositionToFEN(move, overrideCastling)
13632 char *overrideCastling;
13634 int i, j, fromX, fromY, toX, toY;
13641 whiteToPlay = (gameMode == EditPosition) ?
13642 !blackPlaysFirst : (move % 2 == 0);
13645 /* Piece placement data */
13646 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13648 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
13649 if (boards[move][i][j] == EmptySquare) {
13651 } else { ChessSquare piece = boards[move][i][j];
13652 if (emptycount > 0) {
13653 if(emptycount<10) /* [HGM] can be >= 10 */
13654 *p++ = '0' + emptycount;
13655 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
13658 if(PieceToChar(piece) == '+') {
13659 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
13661 piece = (ChessSquare)(DEMOTED piece);
13663 *p++ = PieceToChar(piece);
13665 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
13666 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
13671 if (emptycount > 0) {
13672 if(emptycount<10) /* [HGM] can be >= 10 */
13673 *p++ = '0' + emptycount;
13674 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
13681 /* [HGM] print Crazyhouse or Shogi holdings */
13682 if( gameInfo.holdingsWidth ) {
13683 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
13685 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
13686 piece = boards[move][i][BOARD_WIDTH-1];
13687 if( piece != EmptySquare )
13688 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
13689 *p++ = PieceToChar(piece);
13691 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
13692 piece = boards[move][BOARD_HEIGHT-i-1][0];
13693 if( piece != EmptySquare )
13694 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
13695 *p++ = PieceToChar(piece);
13698 if( q == p ) *p++ = '-';
13704 *p++ = whiteToPlay ? 'w' : 'b';
13707 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
13708 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
13710 if(nrCastlingRights) {
13712 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
13713 /* [HGM] write directly from rights */
13714 if(boards[move][CASTLING][2] != NoRights &&
13715 boards[move][CASTLING][0] != NoRights )
13716 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
13717 if(boards[move][CASTLING][2] != NoRights &&
13718 boards[move][CASTLING][1] != NoRights )
13719 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
13720 if(boards[move][CASTLING][5] != NoRights &&
13721 boards[move][CASTLING][3] != NoRights )
13722 *p++ = boards[move][CASTLING][3] + AAA;
13723 if(boards[move][CASTLING][5] != NoRights &&
13724 boards[move][CASTLING][4] != NoRights )
13725 *p++ = boards[move][CASTLING][4] + AAA;
13728 /* [HGM] write true castling rights */
13729 if( nrCastlingRights == 6 ) {
13730 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
13731 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
13732 if(boards[move][CASTLING][1] == BOARD_LEFT &&
13733 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
13734 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
13735 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
13736 if(boards[move][CASTLING][4] == BOARD_LEFT &&
13737 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
13740 if (q == p) *p++ = '-'; /* No castling rights */
13744 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
13745 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier ) {
13746 /* En passant target square */
13747 if (move > backwardMostMove) {
13748 fromX = moveList[move - 1][0] - AAA;
13749 fromY = moveList[move - 1][1] - ONE;
13750 toX = moveList[move - 1][2] - AAA;
13751 toY = moveList[move - 1][3] - ONE;
13752 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
13753 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
13754 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
13756 /* 2-square pawn move just happened */
13758 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
13762 } else if(move == backwardMostMove) {
13763 // [HGM] perhaps we should always do it like this, and forget the above?
13764 if((signed char)boards[move][EP_STATUS] >= 0) {
13765 *p++ = boards[move][EP_STATUS] + AAA;
13766 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
13777 /* [HGM] find reversible plies */
13778 { int i = 0, j=move;
13780 if (appData.debugMode) { int k;
13781 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
13782 for(k=backwardMostMove; k<=forwardMostMove; k++)
13783 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
13787 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
13788 if( j == backwardMostMove ) i += initialRulePlies;
13789 sprintf(p, "%d ", i);
13790 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
13792 /* Fullmove number */
13793 sprintf(p, "%d", (move / 2) + 1);
13795 return StrSave(buf);
13799 ParseFEN(board, blackPlaysFirst, fen)
13801 int *blackPlaysFirst;
13811 /* [HGM] by default clear Crazyhouse holdings, if present */
13812 if(gameInfo.holdingsWidth) {
13813 for(i=0; i<BOARD_HEIGHT; i++) {
13814 board[i][0] = EmptySquare; /* black holdings */
13815 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
13816 board[i][1] = (ChessSquare) 0; /* black counts */
13817 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
13821 /* Piece placement data */
13822 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13825 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
13826 if (*p == '/') p++;
13827 emptycount = gameInfo.boardWidth - j;
13828 while (emptycount--)
13829 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
13831 #if(BOARD_FILES >= 10)
13832 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
13833 p++; emptycount=10;
13834 if (j + emptycount > gameInfo.boardWidth) return FALSE;
13835 while (emptycount--)
13836 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
13838 } else if (isdigit(*p)) {
13839 emptycount = *p++ - '0';
13840 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
13841 if (j + emptycount > gameInfo.boardWidth) return FALSE;
13842 while (emptycount--)
13843 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
13844 } else if (*p == '+' || isalpha(*p)) {
13845 if (j >= gameInfo.boardWidth) return FALSE;
13847 piece = CharToPiece(*++p);
13848 if(piece == EmptySquare) return FALSE; /* unknown piece */
13849 piece = (ChessSquare) (PROMOTED piece ); p++;
13850 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
13851 } else piece = CharToPiece(*p++);
13853 if(piece==EmptySquare) return FALSE; /* unknown piece */
13854 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
13855 piece = (ChessSquare) (PROMOTED piece);
13856 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
13859 board[i][(j++)+gameInfo.holdingsWidth] = piece;
13865 while (*p == '/' || *p == ' ') p++;
13867 /* [HGM] look for Crazyhouse holdings here */
13868 while(*p==' ') p++;
13869 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
13871 if(*p == '-' ) *p++; /* empty holdings */ else {
13872 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
13873 /* if we would allow FEN reading to set board size, we would */
13874 /* have to add holdings and shift the board read so far here */
13875 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
13877 if((int) piece >= (int) BlackPawn ) {
13878 i = (int)piece - (int)BlackPawn;
13879 i = PieceToNumber((ChessSquare)i);
13880 if( i >= gameInfo.holdingsSize ) return FALSE;
13881 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
13882 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
13884 i = (int)piece - (int)WhitePawn;
13885 i = PieceToNumber((ChessSquare)i);
13886 if( i >= gameInfo.holdingsSize ) return FALSE;
13887 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
13888 board[i][BOARD_WIDTH-2]++; /* black holdings */
13892 if(*p == ']') *p++;
13895 while(*p == ' ') p++;
13900 *blackPlaysFirst = FALSE;
13903 *blackPlaysFirst = TRUE;
13909 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
13910 /* return the extra info in global variiables */
13912 /* set defaults in case FEN is incomplete */
13913 board[EP_STATUS] = EP_UNKNOWN;
13914 for(i=0; i<nrCastlingRights; i++ ) {
13915 board[CASTLING][i] =
13916 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
13917 } /* assume possible unless obviously impossible */
13918 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
13919 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
13920 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
13921 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
13922 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
13923 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
13926 while(*p==' ') p++;
13927 if(nrCastlingRights) {
13928 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
13929 /* castling indicator present, so default becomes no castlings */
13930 for(i=0; i<nrCastlingRights; i++ ) {
13931 board[CASTLING][i] = NoRights;
13934 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
13935 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
13936 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
13937 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
13938 char c = *p++; int whiteKingFile=-1, blackKingFile=-1;
13940 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
13941 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
13942 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
13946 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
13947 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
13948 board[CASTLING][2] = whiteKingFile;
13951 for(i=BOARD_LEFT; board[0][i]!=WhiteRook && i<whiteKingFile; i++);
13952 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
13953 board[CASTLING][2] = whiteKingFile;
13956 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
13957 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
13958 board[CASTLING][5] = blackKingFile;
13961 for(i=BOARD_LEFT; board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
13962 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
13963 board[CASTLING][5] = blackKingFile;
13966 default: /* FRC castlings */
13967 if(c >= 'a') { /* black rights */
13968 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
13969 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
13970 if(i == BOARD_RGHT) break;
13971 board[CASTLING][5] = i;
13973 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
13974 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
13976 board[CASTLING][3] = c;
13978 board[CASTLING][4] = c;
13979 } else { /* white rights */
13980 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
13981 if(board[0][i] == WhiteKing) break;
13982 if(i == BOARD_RGHT) break;
13983 board[CASTLING][2] = i;
13984 c -= AAA - 'a' + 'A';
13985 if(board[0][c] >= WhiteKing) break;
13987 board[CASTLING][0] = c;
13989 board[CASTLING][1] = c;
13993 if (appData.debugMode) {
13994 fprintf(debugFP, "FEN castling rights:");
13995 for(i=0; i<nrCastlingRights; i++)
13996 fprintf(debugFP, " %d", board[CASTLING][i]);
13997 fprintf(debugFP, "\n");
14000 while(*p==' ') p++;
14003 /* read e.p. field in games that know e.p. capture */
14004 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14005 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier ) {
14007 p++; board[EP_STATUS] = EP_NONE;
14009 char c = *p++ - AAA;
14011 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
14012 if(*p >= '0' && *p <='9') *p++;
14013 board[EP_STATUS] = c;
14018 if(sscanf(p, "%d", &i) == 1) {
14019 FENrulePlies = i; /* 50-move ply counter */
14020 /* (The move number is still ignored) */
14027 EditPositionPasteFEN(char *fen)
14030 Board initial_position;
14032 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
14033 DisplayError(_("Bad FEN position in clipboard"), 0);
14036 int savedBlackPlaysFirst = blackPlaysFirst;
14037 EditPositionEvent();
14038 blackPlaysFirst = savedBlackPlaysFirst;
14039 CopyBoard(boards[0], initial_position);
14040 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
14041 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
14042 DisplayBothClocks();
14043 DrawPosition(FALSE, boards[currentMove]);
14048 static char cseq[12] = "\\ ";
14050 Boolean set_cont_sequence(char *new_seq)
14055 // handle bad attempts to set the sequence
14057 return 0; // acceptable error - no debug
14059 len = strlen(new_seq);
14060 ret = (len > 0) && (len < sizeof(cseq));
14062 strcpy(cseq, new_seq);
14063 else if (appData.debugMode)
14064 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
14069 reformat a source message so words don't cross the width boundary. internal
14070 newlines are not removed. returns the wrapped size (no null character unless
14071 included in source message). If dest is NULL, only calculate the size required
14072 for the dest buffer. lp argument indicats line position upon entry, and it's
14073 passed back upon exit.
14075 int wrap(char *dest, char *src, int count, int width, int *lp)
14077 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
14079 cseq_len = strlen(cseq);
14080 old_line = line = *lp;
14081 ansi = len = clen = 0;
14083 for (i=0; i < count; i++)
14085 if (src[i] == '\033')
14088 // if we hit the width, back up
14089 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
14091 // store i & len in case the word is too long
14092 old_i = i, old_len = len;
14094 // find the end of the last word
14095 while (i && src[i] != ' ' && src[i] != '\n')
14101 // word too long? restore i & len before splitting it
14102 if ((old_i-i+clen) >= width)
14109 if (i && src[i-1] == ' ')
14112 if (src[i] != ' ' && src[i] != '\n')
14119 // now append the newline and continuation sequence
14124 strncpy(dest+len, cseq, cseq_len);
14132 dest[len] = src[i];
14136 if (src[i] == '\n')
14141 if (dest && appData.debugMode)
14143 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
14144 count, width, line, len, *lp);
14145 show_bytes(debugFP, src, count);
14146 fprintf(debugFP, "\ndest: ");
14147 show_bytes(debugFP, dest, len);
14148 fprintf(debugFP, "\n");
14150 *lp = dest ? line : old_line;
14155 // [HGM] vari: routines for shelving variations
14158 PushTail(int firstMove, int lastMove)
14160 int i, j, nrMoves = lastMove - firstMove;
14162 if(appData.icsActive) { // only in local mode
14163 forwardMostMove = currentMove; // mimic old ICS behavior
14166 if(storedGames >= MAX_VARIATIONS-1) return;
14168 // push current tail of game on stack
14169 savedResult[storedGames] = gameInfo.result;
14170 savedDetails[storedGames] = gameInfo.resultDetails;
14171 gameInfo.resultDetails = NULL;
14172 savedFirst[storedGames] = firstMove;
14173 savedLast [storedGames] = lastMove;
14174 savedFramePtr[storedGames] = framePtr;
14175 framePtr -= nrMoves; // reserve space for the boards
14176 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
14177 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
14178 for(j=0; j<MOVE_LEN; j++)
14179 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
14180 for(j=0; j<2*MOVE_LEN; j++)
14181 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
14182 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
14183 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
14184 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
14185 pvInfoList[firstMove+i-1].depth = 0;
14186 commentList[framePtr+i] = commentList[firstMove+i];
14187 commentList[firstMove+i] = NULL;
14191 forwardMostMove = currentMove; // truncte game so we can start variation
14192 if(storedGames == 1) GreyRevert(FALSE);
14196 PopTail(Boolean annotate)
14199 char buf[8000], moveBuf[20];
14201 if(appData.icsActive) return FALSE; // only in local mode
14202 if(!storedGames) return FALSE; // sanity
14205 ToNrEvent(savedFirst[storedGames]); // sets currentMove
14206 nrMoves = savedLast[storedGames] - currentMove;
14209 if(!WhiteOnMove(currentMove)) sprintf(buf, "(%d...", currentMove+2>>1);
14210 else strcpy(buf, "(");
14211 for(i=currentMove; i<forwardMostMove; i++) {
14213 sprintf(moveBuf, " %d. %s", i+2>>1, SavePart(parseList[i]));
14214 else sprintf(moveBuf, " %s", SavePart(parseList[i]));
14215 strcat(buf, moveBuf);
14216 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
14220 for(i=1; i<nrMoves; i++) { // copy last variation back
14221 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
14222 for(j=0; j<MOVE_LEN; j++)
14223 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
14224 for(j=0; j<2*MOVE_LEN; j++)
14225 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
14226 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
14227 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
14228 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
14229 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
14230 commentList[currentMove+i] = commentList[framePtr+i];
14231 commentList[framePtr+i] = NULL;
14233 if(annotate) AppendComment(currentMove+1, buf, FALSE);
14234 framePtr = savedFramePtr[storedGames];
14235 gameInfo.result = savedResult[storedGames];
14236 if(gameInfo.resultDetails != NULL) {
14237 free(gameInfo.resultDetails);
14239 gameInfo.resultDetails = savedDetails[storedGames];
14240 forwardMostMove = currentMove + nrMoves;
14241 if(storedGames == 0) GreyRevert(TRUE);
14247 { // remove all shelved variations
14249 for(i=0; i<storedGames; i++) {
14250 if(savedDetails[i])
14251 free(savedDetails[i]);
14252 savedDetails[i] = NULL;
14254 for(i=framePtr; i<MAX_MOVES; i++) {
14255 if(commentList[i]) free(commentList[i]);
14256 commentList[i] = NULL;
14258 framePtr = MAX_MOVES-1;