2 * backend.c -- Common back end for X and Windows NT versions of
4 * Copyright 1991 by Digital Equipment Corporation, Maynard,
7 * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
8 * 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
10 * Enhancements Copyright 2005 Alessandro Scotti
12 * The following terms apply to Digital Equipment Corporation's copyright
14 * ------------------------------------------------------------------------
17 * Permission to use, copy, modify, and distribute this software and its
18 * documentation for any purpose and without fee is hereby granted,
19 * provided that the above copyright notice appear in all copies and that
20 * both that copyright notice and this permission notice appear in
21 * supporting documentation, and that the name of Digital not be
22 * used in advertising or publicity pertaining to distribution of the
23 * software without specific, written prior permission.
25 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
26 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
27 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
28 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
29 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
30 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
32 * ------------------------------------------------------------------------
34 * The following terms apply to the enhanced version of XBoard
35 * distributed by the Free Software Foundation:
36 * ------------------------------------------------------------------------
38 * GNU XBoard is free software: you can redistribute it and/or modify
39 * it under the terms of the GNU General Public License as published by
40 * the Free Software Foundation, either version 3 of the License, or (at
41 * your option) any later version.
43 * GNU XBoard is distributed in the hope that it will be useful, but
44 * WITHOUT ANY WARRANTY; without even the implied warranty of
45 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
46 * General Public License for more details.
48 * You should have received a copy of the GNU General Public License
49 * along with this program. If not, see http://www.gnu.org/licenses/. *
51 *------------------------------------------------------------------------
52 ** See the file ChangeLog for a revision history. */
54 /* [AS] Also useful here for debugging */
58 #define DoSleep( n ) if( (n) != 0 ) Sleep( (n) );
62 #define DoSleep( n ) if( (n) >= 0) sleep(n)
72 #include <sys/types.h>
81 #else /* not STDC_HEADERS */
84 # else /* not HAVE_STRING_H */
86 # endif /* not HAVE_STRING_H */
87 #endif /* not STDC_HEADERS */
90 # include <sys/fcntl.h>
91 #else /* not HAVE_SYS_FCNTL_H */
94 # endif /* HAVE_FCNTL_H */
95 #endif /* not HAVE_SYS_FCNTL_H */
97 #if TIME_WITH_SYS_TIME
98 # include <sys/time.h>
102 # include <sys/time.h>
108 #if defined(_amigados) && !defined(__GNUC__)
113 extern int gettimeofday(struct timeval *, struct timezone *);
121 #include "frontend.h"
128 #include "backendz.h"
132 # define _(s) gettext (s)
133 # define N_(s) gettext_noop (s)
134 # define T_(s) gettext(s)
147 /* A point in time */
149 long sec; /* Assuming this is >= 32 bits */
150 int ms; /* Assuming this is >= 16 bits */
153 int establish P((void));
154 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
155 char *buf, int count, int error));
156 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
157 char *buf, int count, int error));
158 void ics_printf P((char *format, ...));
159 void SendToICS P((char *s));
160 void SendToICSDelayed P((char *s, long msdelay));
161 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
162 void HandleMachineMove P((char *message, ChessProgramState *cps));
163 int AutoPlayOneMove P((void));
164 int LoadGameOneMove P((ChessMove readAhead));
165 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
166 int LoadPositionFromFile P((char *filename, int n, char *title));
167 int SavePositionToFile P((char *filename));
168 void ApplyMove P((int fromX, int fromY, int toX, int toY, int promoChar,
170 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
171 void ShowMove P((int fromX, int fromY, int toX, int toY));
172 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
173 /*char*/int promoChar));
174 void BackwardInner P((int target));
175 void ForwardInner P((int target));
176 int Adjudicate P((ChessProgramState *cps));
177 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
178 void EditPositionDone P((Boolean fakeRights));
179 void PrintOpponents P((FILE *fp));
180 void PrintPosition P((FILE *fp, int move));
181 void StartChessProgram P((ChessProgramState *cps));
182 void SendToProgram P((char *message, ChessProgramState *cps));
183 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
184 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
185 char *buf, int count, int error));
186 void SendTimeControl P((ChessProgramState *cps,
187 int mps, long tc, int inc, int sd, int st));
188 char *TimeControlTagValue P((void));
189 void Attention P((ChessProgramState *cps));
190 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
191 void ResurrectChessProgram P((void));
192 void DisplayComment P((int moveNumber, char *text));
193 void DisplayMove P((int moveNumber));
195 void ParseGameHistory P((char *game));
196 void ParseBoard12 P((char *string));
197 void KeepAlive P((void));
198 void StartClocks P((void));
199 void SwitchClocks P((int nr));
200 void StopClocks P((void));
201 void ResetClocks P((void));
202 char *PGNDate P((void));
203 void SetGameInfo P((void));
204 Boolean ParseFEN P((Board board, int *blackPlaysFirst, char *fen));
205 int RegisterMove P((void));
206 void MakeRegisteredMove P((void));
207 void TruncateGame P((void));
208 int looking_at P((char *, int *, char *));
209 void CopyPlayerNameIntoFileName P((char **, char *));
210 char *SavePart P((char *));
211 int SaveGameOldStyle P((FILE *));
212 int SaveGamePGN P((FILE *));
213 void GetTimeMark P((TimeMark *));
214 long SubtractTimeMarks P((TimeMark *, TimeMark *));
215 int CheckFlags P((void));
216 long NextTickLength P((long));
217 void CheckTimeControl P((void));
218 void show_bytes P((FILE *, char *, int));
219 int string_to_rating P((char *str));
220 void ParseFeatures P((char* args, ChessProgramState *cps));
221 void InitBackEnd3 P((void));
222 void FeatureDone P((ChessProgramState* cps, int val));
223 void InitChessProgram P((ChessProgramState *cps, int setup));
224 void OutputKibitz(int window, char *text);
225 int PerpetualChase(int first, int last);
226 int EngineOutputIsUp();
227 void InitDrawingSizes(int x, int y);
230 extern void ConsoleCreate();
233 ChessProgramState *WhitePlayer();
234 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
235 int VerifyDisplayMode P(());
237 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
238 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
239 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
240 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
241 void ics_update_width P((int new_width));
242 extern char installDir[MSG_SIZ];
243 VariantClass startVariant; /* [HGM] nicks: initial variant */
245 extern int tinyLayout, smallLayout;
246 ChessProgramStats programStats;
247 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
249 static int exiting = 0; /* [HGM] moved to top */
250 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
251 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
252 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
253 int partnerHighlight[2];
254 Boolean partnerBoardValid = 0;
255 char partnerStatus[MSG_SIZ];
257 Boolean originalFlip;
258 Boolean twoBoards = 0;
259 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
260 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
261 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
262 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
263 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
264 int opponentKibitzes;
265 int lastSavedGame; /* [HGM] save: ID of game */
266 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
267 extern int chatCount;
269 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
271 /* States for ics_getting_history */
273 #define H_REQUESTED 1
274 #define H_GOT_REQ_HEADER 2
275 #define H_GOT_UNREQ_HEADER 3
276 #define H_GETTING_MOVES 4
277 #define H_GOT_UNWANTED_HEADER 5
279 /* whosays values for GameEnds */
288 /* Maximum number of games in a cmail message */
289 #define CMAIL_MAX_GAMES 20
291 /* Different types of move when calling RegisterMove */
293 #define CMAIL_RESIGN 1
295 #define CMAIL_ACCEPT 3
297 /* Different types of result to remember for each game */
298 #define CMAIL_NOT_RESULT 0
299 #define CMAIL_OLD_RESULT 1
300 #define CMAIL_NEW_RESULT 2
302 /* Telnet protocol constants */
313 safeStrCpy( char *dst, const char *src, size_t count )
315 /* see for example: https://buildsecurityin.us-cert.gov/bsi-rules/home/g1/854-BSI.html
317 * usage: safeStrCpy( stringA, stringB, sizeof(stringA)/sizeof(stringA[0]);
320 assert( dst != NULL );
321 assert( src != NULL );
324 strncpy( dst, src, count );
325 if( dst[ count-1 ] != '\0' )
327 if(appData.debugMode)
328 printf("safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst,count);
330 dst[ count-1 ] = '\0';
335 /* Some compiler can't cast u64 to double
336 * This function do the job for us:
338 * We use the highest bit for cast, this only
339 * works if the highest bit is not
340 * in use (This should not happen)
342 * We used this for all compiler
345 u64ToDouble(u64 value)
348 u64 tmp = value & u64Const(0x7fffffffffffffff);
349 r = (double)(s64)tmp;
350 if (value & u64Const(0x8000000000000000))
351 r += 9.2233720368547758080e18; /* 2^63 */
355 /* Fake up flags for now, as we aren't keeping track of castling
356 availability yet. [HGM] Change of logic: the flag now only
357 indicates the type of castlings allowed by the rule of the game.
358 The actual rights themselves are maintained in the array
359 castlingRights, as part of the game history, and are not probed
365 int flags = F_ALL_CASTLE_OK;
366 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
367 switch (gameInfo.variant) {
369 flags &= ~F_ALL_CASTLE_OK;
370 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
371 flags |= F_IGNORE_CHECK;
373 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
376 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
378 case VariantKriegspiel:
379 flags |= F_KRIEGSPIEL_CAPTURE;
381 case VariantCapaRandom:
382 case VariantFischeRandom:
383 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
384 case VariantNoCastle:
385 case VariantShatranj:
388 flags &= ~F_ALL_CASTLE_OK;
396 FILE *gameFileFP, *debugFP;
399 [AS] Note: sometimes, the sscanf() function is used to parse the input
400 into a fixed-size buffer. Because of this, we must be prepared to
401 receive strings as long as the size of the input buffer, which is currently
402 set to 4K for Windows and 8K for the rest.
403 So, we must either allocate sufficiently large buffers here, or
404 reduce the size of the input buffer in the input reading part.
407 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
408 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
409 char thinkOutput1[MSG_SIZ*10];
411 ChessProgramState first, second;
413 /* premove variables */
416 int premoveFromX = 0;
417 int premoveFromY = 0;
418 int premovePromoChar = 0;
420 Boolean alarmSounded;
421 /* end premove variables */
423 char *ics_prefix = "$";
424 int ics_type = ICS_GENERIC;
426 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
427 int pauseExamForwardMostMove = 0;
428 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
429 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
430 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
431 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
432 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
433 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
434 int whiteFlag = FALSE, blackFlag = FALSE;
435 int userOfferedDraw = FALSE;
436 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
437 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
438 int cmailMoveType[CMAIL_MAX_GAMES];
439 long ics_clock_paused = 0;
440 ProcRef icsPR = NoProc, cmailPR = NoProc;
441 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
442 GameMode gameMode = BeginningOfGame;
443 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
444 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
445 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
446 int hiddenThinkOutputState = 0; /* [AS] */
447 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
448 int adjudicateLossPlies = 6;
449 char white_holding[64], black_holding[64];
450 TimeMark lastNodeCountTime;
451 long lastNodeCount=0;
453 int have_sent_ICS_logon = 0;
454 int sending_ICS_login = 0;
455 int sending_ICS_password = 0;
458 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
459 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack;
460 long timeControl_2; /* [AS] Allow separate time controls */
461 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC; /* [HGM] secondary TC: merge of MPS, TC and inc */
462 long timeRemaining[2][MAX_MOVES];
464 TimeMark programStartTime;
465 char ics_handle[MSG_SIZ];
466 int have_set_title = 0;
468 /* animateTraining preserves the state of appData.animate
469 * when Training mode is activated. This allows the
470 * response to be animated when appData.animate == TRUE and
471 * appData.animateDragging == TRUE.
473 Boolean animateTraining;
479 Board boards[MAX_MOVES];
480 /* [HGM] Following 7 needed for accurate legality tests: */
481 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
482 signed char initialRights[BOARD_FILES];
483 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
484 int initialRulePlies, FENrulePlies;
485 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
488 int mute; // mute all sounds
490 // [HGM] vari: next 12 to save and restore variations
491 #define MAX_VARIATIONS 10
492 int framePtr = MAX_MOVES-1; // points to free stack entry
494 int savedFirst[MAX_VARIATIONS];
495 int savedLast[MAX_VARIATIONS];
496 int savedFramePtr[MAX_VARIATIONS];
497 char *savedDetails[MAX_VARIATIONS];
498 ChessMove savedResult[MAX_VARIATIONS];
500 void PushTail P((int firstMove, int lastMove));
501 Boolean PopTail P((Boolean annotate));
502 void CleanupTail P((void));
504 ChessSquare FIDEArray[2][BOARD_FILES] = {
505 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
506 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
507 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
508 BlackKing, BlackBishop, BlackKnight, BlackRook }
511 ChessSquare twoKingsArray[2][BOARD_FILES] = {
512 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
513 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
514 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
515 BlackKing, BlackKing, BlackKnight, BlackRook }
518 ChessSquare KnightmateArray[2][BOARD_FILES] = {
519 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
520 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
521 { BlackRook, BlackMan, BlackBishop, BlackQueen,
522 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
525 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
526 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
527 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
528 { BlackLance, BlackAlfil, BlackMarshall, BlackAngel,
529 BlackKing, BlackMarshall, BlackAlfil, BlackLance }
532 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
533 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
534 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
535 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
536 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
539 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
540 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
541 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
542 { BlackRook, BlackKnight, BlackMan, BlackFerz,
543 BlackKing, BlackMan, BlackKnight, BlackRook }
547 #if (BOARD_FILES>=10)
548 ChessSquare ShogiArray[2][BOARD_FILES] = {
549 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
550 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
551 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
552 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
555 ChessSquare XiangqiArray[2][BOARD_FILES] = {
556 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
557 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
558 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
559 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
562 ChessSquare CapablancaArray[2][BOARD_FILES] = {
563 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
564 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
565 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
566 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
569 ChessSquare GreatArray[2][BOARD_FILES] = {
570 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
571 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
572 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
573 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
576 ChessSquare JanusArray[2][BOARD_FILES] = {
577 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
578 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
579 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
580 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
584 ChessSquare GothicArray[2][BOARD_FILES] = {
585 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
586 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
587 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
588 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
591 #define GothicArray CapablancaArray
595 ChessSquare FalconArray[2][BOARD_FILES] = {
596 { WhiteRook, WhiteKnight, WhiteBishop, WhiteLance, WhiteQueen,
597 WhiteKing, WhiteLance, WhiteBishop, WhiteKnight, WhiteRook },
598 { BlackRook, BlackKnight, BlackBishop, BlackLance, BlackQueen,
599 BlackKing, BlackLance, BlackBishop, BlackKnight, BlackRook }
602 #define FalconArray CapablancaArray
605 #else // !(BOARD_FILES>=10)
606 #define XiangqiPosition FIDEArray
607 #define CapablancaArray FIDEArray
608 #define GothicArray FIDEArray
609 #define GreatArray FIDEArray
610 #endif // !(BOARD_FILES>=10)
612 #if (BOARD_FILES>=12)
613 ChessSquare CourierArray[2][BOARD_FILES] = {
614 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
615 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
616 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
617 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
619 #else // !(BOARD_FILES>=12)
620 #define CourierArray CapablancaArray
621 #endif // !(BOARD_FILES>=12)
624 Board initialPosition;
627 /* Convert str to a rating. Checks for special cases of "----",
629 "++++", etc. Also strips ()'s */
631 string_to_rating(str)
634 while(*str && !isdigit(*str)) ++str;
636 return 0; /* One of the special "no rating" cases */
644 /* Init programStats */
645 programStats.movelist[0] = 0;
646 programStats.depth = 0;
647 programStats.nr_moves = 0;
648 programStats.moves_left = 0;
649 programStats.nodes = 0;
650 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
651 programStats.score = 0;
652 programStats.got_only_move = 0;
653 programStats.got_fail = 0;
654 programStats.line_is_book = 0;
660 int matched, min, sec;
662 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
663 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
665 GetTimeMark(&programStartTime);
666 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
669 programStats.ok_to_send = 1;
670 programStats.seen_stat = 0;
673 * Initialize game list
679 * Internet chess server status
681 if (appData.icsActive) {
682 appData.matchMode = FALSE;
683 appData.matchGames = 0;
685 appData.noChessProgram = !appData.zippyPlay;
687 appData.zippyPlay = FALSE;
688 appData.zippyTalk = FALSE;
689 appData.noChessProgram = TRUE;
691 if (*appData.icsHelper != NULLCHAR) {
692 appData.useTelnet = TRUE;
693 appData.telnetProgram = appData.icsHelper;
696 appData.zippyTalk = appData.zippyPlay = FALSE;
699 /* [AS] Initialize pv info list [HGM] and game state */
703 for( i=0; i<=framePtr; i++ ) {
704 pvInfoList[i].depth = -1;
705 boards[i][EP_STATUS] = EP_NONE;
706 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
711 * Parse timeControl resource
713 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
714 appData.movesPerSession)) {
716 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
717 DisplayFatalError(buf, 0, 2);
721 * Parse searchTime resource
723 if (*appData.searchTime != NULLCHAR) {
724 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
726 searchTime = min * 60;
727 } else if (matched == 2) {
728 searchTime = min * 60 + sec;
731 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
732 DisplayFatalError(buf, 0, 2);
736 /* [AS] Adjudication threshold */
737 adjudicateLossThreshold = appData.adjudicateLossThreshold;
739 first.which = _("first");
740 second.which = _("second");
741 first.maybeThinking = second.maybeThinking = FALSE;
742 first.pr = second.pr = NoProc;
743 first.isr = second.isr = NULL;
744 first.sendTime = second.sendTime = 2;
745 first.sendDrawOffers = 1;
746 if (appData.firstPlaysBlack) {
747 first.twoMachinesColor = "black\n";
748 second.twoMachinesColor = "white\n";
750 first.twoMachinesColor = "white\n";
751 second.twoMachinesColor = "black\n";
753 first.program = appData.firstChessProgram;
754 second.program = appData.secondChessProgram;
755 first.host = appData.firstHost;
756 second.host = appData.secondHost;
757 first.dir = appData.firstDirectory;
758 second.dir = appData.secondDirectory;
759 first.other = &second;
760 second.other = &first;
761 first.initString = appData.initString;
762 second.initString = appData.secondInitString;
763 first.computerString = appData.firstComputerString;
764 second.computerString = appData.secondComputerString;
765 first.useSigint = second.useSigint = TRUE;
766 first.useSigterm = second.useSigterm = TRUE;
767 first.reuse = appData.reuseFirst;
768 second.reuse = appData.reuseSecond;
769 first.nps = appData.firstNPS; // [HGM] nps: copy nodes per second
770 second.nps = appData.secondNPS;
771 first.useSetboard = second.useSetboard = FALSE;
772 first.useSAN = second.useSAN = FALSE;
773 first.usePing = second.usePing = FALSE;
774 first.lastPing = second.lastPing = 0;
775 first.lastPong = second.lastPong = 0;
776 first.usePlayother = second.usePlayother = FALSE;
777 first.useColors = second.useColors = TRUE;
778 first.useUsermove = second.useUsermove = FALSE;
779 first.sendICS = second.sendICS = FALSE;
780 first.sendName = second.sendName = appData.icsActive;
781 first.sdKludge = second.sdKludge = FALSE;
782 first.stKludge = second.stKludge = FALSE;
783 TidyProgramName(first.program, first.host, first.tidy);
784 TidyProgramName(second.program, second.host, second.tidy);
785 first.matchWins = second.matchWins = 0;
786 safeStrCpy(first.variants, appData.variant, sizeof(first.variants)/sizeof(first.variants[0]));
787 safeStrCpy(second.variants, appData.variant,sizeof(second.variants)/sizeof(second.variants[0]));
788 first.analysisSupport = second.analysisSupport = 2; /* detect */
789 first.analyzing = second.analyzing = FALSE;
790 first.initDone = second.initDone = FALSE;
792 /* New features added by Tord: */
793 first.useFEN960 = FALSE; second.useFEN960 = FALSE;
794 first.useOOCastle = TRUE; second.useOOCastle = TRUE;
795 /* End of new features added by Tord. */
796 first.fenOverride = appData.fenOverride1;
797 second.fenOverride = appData.fenOverride2;
799 /* [HGM] time odds: set factor for each machine */
800 first.timeOdds = appData.firstTimeOdds;
801 second.timeOdds = appData.secondTimeOdds;
803 if(appData.timeOddsMode) {
804 norm = first.timeOdds;
805 if(norm > second.timeOdds) norm = second.timeOdds;
807 first.timeOdds /= norm;
808 second.timeOdds /= norm;
811 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
812 first.accumulateTC = appData.firstAccumulateTC;
813 second.accumulateTC = appData.secondAccumulateTC;
814 first.maxNrOfSessions = second.maxNrOfSessions = 1;
817 first.debug = second.debug = FALSE;
818 first.supportsNPS = second.supportsNPS = UNKNOWN;
821 first.optionSettings = appData.firstOptions;
822 second.optionSettings = appData.secondOptions;
824 first.scoreIsAbsolute = appData.firstScoreIsAbsolute; /* [AS] */
825 second.scoreIsAbsolute = appData.secondScoreIsAbsolute; /* [AS] */
826 first.isUCI = appData.firstIsUCI; /* [AS] */
827 second.isUCI = appData.secondIsUCI; /* [AS] */
828 first.hasOwnBookUCI = appData.firstHasOwnBookUCI; /* [AS] */
829 second.hasOwnBookUCI = appData.secondHasOwnBookUCI; /* [AS] */
831 if (appData.firstProtocolVersion > PROTOVER
832 || appData.firstProtocolVersion < 1)
837 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
838 appData.firstProtocolVersion);
839 if( (len > MSG_SIZ) && appData.debugMode )
840 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
842 DisplayFatalError(buf, 0, 2);
846 first.protocolVersion = appData.firstProtocolVersion;
849 if (appData.secondProtocolVersion > PROTOVER
850 || appData.secondProtocolVersion < 1)
855 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
856 appData.secondProtocolVersion);
857 if( (len > MSG_SIZ) && appData.debugMode )
858 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
860 DisplayFatalError(buf, 0, 2);
864 second.protocolVersion = appData.secondProtocolVersion;
867 if (appData.icsActive) {
868 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
869 // } else if (*appData.searchTime != NULLCHAR || appData.noChessProgram) {
870 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
871 appData.clockMode = FALSE;
872 first.sendTime = second.sendTime = 0;
876 /* Override some settings from environment variables, for backward
877 compatibility. Unfortunately it's not feasible to have the env
878 vars just set defaults, at least in xboard. Ugh.
880 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
885 if (appData.noChessProgram) {
886 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
887 sprintf(programVersion, "%s", PACKAGE_STRING);
889 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
890 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
891 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
894 if (!appData.icsActive) {
898 /* Check for variants that are supported only in ICS mode,
899 or not at all. Some that are accepted here nevertheless
900 have bugs; see comments below.
902 VariantClass variant = StringToVariant(appData.variant);
904 case VariantBughouse: /* need four players and two boards */
905 case VariantKriegspiel: /* need to hide pieces and move details */
906 /* case VariantFischeRandom: (Fabien: moved below) */
907 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
908 if( (len > MSG_SIZ) && appData.debugMode )
909 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
911 DisplayFatalError(buf, 0, 2);
915 case VariantLoadable:
925 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
926 if( (len > MSG_SIZ) && appData.debugMode )
927 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
929 DisplayFatalError(buf, 0, 2);
932 case VariantXiangqi: /* [HGM] repetition rules not implemented */
933 case VariantFairy: /* [HGM] TestLegality definitely off! */
934 case VariantGothic: /* [HGM] should work */
935 case VariantCapablanca: /* [HGM] should work */
936 case VariantCourier: /* [HGM] initial forced moves not implemented */
937 case VariantShogi: /* [HGM] could still mate with pawn drop */
938 case VariantKnightmate: /* [HGM] should work */
939 case VariantCylinder: /* [HGM] untested */
940 case VariantFalcon: /* [HGM] untested */
941 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
942 offboard interposition not understood */
943 case VariantNormal: /* definitely works! */
944 case VariantWildCastle: /* pieces not automatically shuffled */
945 case VariantNoCastle: /* pieces not automatically shuffled */
946 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
947 case VariantLosers: /* should work except for win condition,
948 and doesn't know captures are mandatory */
949 case VariantSuicide: /* should work except for win condition,
950 and doesn't know captures are mandatory */
951 case VariantGiveaway: /* should work except for win condition,
952 and doesn't know captures are mandatory */
953 case VariantTwoKings: /* should work */
954 case VariantAtomic: /* should work except for win condition */
955 case Variant3Check: /* should work except for win condition */
956 case VariantShatranj: /* should work except for all win conditions */
957 case VariantMakruk: /* should work except for daw countdown */
958 case VariantBerolina: /* might work if TestLegality is off */
959 case VariantCapaRandom: /* should work */
960 case VariantJanus: /* should work */
961 case VariantSuper: /* experimental */
962 case VariantGreat: /* experimental, requires legality testing to be off */
967 InitEngineUCI( installDir, &first ); // [HGM] moved here from winboard.c, to make available in xboard
968 InitEngineUCI( installDir, &second );
971 int NextIntegerFromString( char ** str, long * value )
976 while( *s == ' ' || *s == '\t' ) {
982 if( *s >= '0' && *s <= '9' ) {
983 while( *s >= '0' && *s <= '9' ) {
984 *value = *value * 10 + (*s - '0');
996 int NextTimeControlFromString( char ** str, long * value )
999 int result = NextIntegerFromString( str, &temp );
1002 *value = temp * 60; /* Minutes */
1003 if( **str == ':' ) {
1005 result = NextIntegerFromString( str, &temp );
1006 *value += temp; /* Seconds */
1013 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc, int *incType)
1014 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1015 int result = -1, type = 0; long temp, temp2;
1017 if(**str != ':') return -1; // old params remain in force!
1019 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1020 if( NextIntegerFromString( str, &temp ) ) return -1;
1021 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1024 /* time only: incremental or sudden-death time control */
1025 if(**str == '+') { /* increment follows; read it */
1027 if(**str == '!') type = *(*str)++; // Bronstein TC
1028 if(result = NextIntegerFromString( str, &temp2)) return -1;
1029 *inc = temp2 * 1000;
1030 if(**str == '.') { // read fraction of increment
1031 char *start = ++(*str);
1032 if(result = NextIntegerFromString( str, &temp2)) return -1;
1034 while(start++ < *str) temp2 /= 10;
1038 *moves = 0; *tc = temp * 1000; *incType = type;
1042 (*str)++; /* classical time control */
1043 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1054 int GetTimeQuota(int movenr, int lastUsed, char *tcString)
1055 { /* [HGM] get time to add from the multi-session time-control string */
1056 int incType, moves=1; /* kludge to force reading of first session */
1057 long time, increment;
1060 if(!*s) return 0; // empty TC string means we ran out of the last sudden-death version
1061 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", tcString);
1063 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1064 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1065 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
1066 if(movenr == -1) return time; /* last move before new session */
1067 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1068 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1069 if(!moves) return increment; /* current session is incremental */
1070 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1071 } while(movenr >= -1); /* try again for next session */
1073 return 0; // no new time quota on this move
1077 ParseTimeControl(tc, ti, mps)
1084 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1088 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1089 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1090 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1094 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1096 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1099 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1101 snprintf(buf, MSG_SIZ, ":%s", mytc);
1103 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1105 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1110 /* Parse second time control */
1113 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1121 timeControl_2 = tc2 * 1000;
1131 timeControl = tc1 * 1000;
1134 timeIncrement = ti * 1000; /* convert to ms */
1135 movesPerSession = 0;
1138 movesPerSession = mps;
1146 if (appData.debugMode) {
1147 fprintf(debugFP, "%s\n", programVersion);
1150 set_cont_sequence(appData.wrapContSeq);
1151 if (appData.matchGames > 0) {
1152 appData.matchMode = TRUE;
1153 } else if (appData.matchMode) {
1154 appData.matchGames = 1;
1156 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1157 appData.matchGames = appData.sameColorGames;
1158 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1159 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1160 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1163 if (appData.noChessProgram || first.protocolVersion == 1) {
1166 /* kludge: allow timeout for initial "feature" commands */
1168 DisplayMessage("", _("Starting chess program"));
1169 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1174 InitBackEnd3 P((void))
1176 GameMode initialMode;
1180 InitChessProgram(&first, startedFromSetupPosition);
1182 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1183 free(programVersion);
1184 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1185 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1188 if (appData.icsActive) {
1190 /* [DM] Make a console window if needed [HGM] merged ifs */
1196 if (*appData.icsCommPort != NULLCHAR)
1197 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1198 appData.icsCommPort);
1200 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1201 appData.icsHost, appData.icsPort);
1203 if( (len > MSG_SIZ) && appData.debugMode )
1204 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1206 DisplayFatalError(buf, err, 1);
1211 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1213 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1214 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1215 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1216 } else if (appData.noChessProgram) {
1222 if (*appData.cmailGameName != NULLCHAR) {
1224 OpenLoopback(&cmailPR);
1226 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1230 DisplayMessage("", "");
1231 if (StrCaseCmp(appData.initialMode, "") == 0) {
1232 initialMode = BeginningOfGame;
1233 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1234 initialMode = TwoMachinesPlay;
1235 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1236 initialMode = AnalyzeFile;
1237 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1238 initialMode = AnalyzeMode;
1239 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1240 initialMode = MachinePlaysWhite;
1241 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1242 initialMode = MachinePlaysBlack;
1243 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1244 initialMode = EditGame;
1245 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1246 initialMode = EditPosition;
1247 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1248 initialMode = Training;
1250 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1251 if( (len > MSG_SIZ) && appData.debugMode )
1252 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1254 DisplayFatalError(buf, 0, 2);
1258 if (appData.matchMode) {
1259 /* Set up machine vs. machine match */
1260 if (appData.noChessProgram) {
1261 DisplayFatalError(_("Can't have a match with no chess programs"),
1267 if (*appData.loadGameFile != NULLCHAR) {
1268 int index = appData.loadGameIndex; // [HGM] autoinc
1269 if(index<0) lastIndex = index = 1;
1270 if (!LoadGameFromFile(appData.loadGameFile,
1272 appData.loadGameFile, FALSE)) {
1273 DisplayFatalError(_("Bad game file"), 0, 1);
1276 } else if (*appData.loadPositionFile != NULLCHAR) {
1277 int index = appData.loadPositionIndex; // [HGM] autoinc
1278 if(index<0) lastIndex = index = 1;
1279 if (!LoadPositionFromFile(appData.loadPositionFile,
1281 appData.loadPositionFile)) {
1282 DisplayFatalError(_("Bad position file"), 0, 1);
1287 } else if (*appData.cmailGameName != NULLCHAR) {
1288 /* Set up cmail mode */
1289 ReloadCmailMsgEvent(TRUE);
1291 /* Set up other modes */
1292 if (initialMode == AnalyzeFile) {
1293 if (*appData.loadGameFile == NULLCHAR) {
1294 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1298 if (*appData.loadGameFile != NULLCHAR) {
1299 (void) LoadGameFromFile(appData.loadGameFile,
1300 appData.loadGameIndex,
1301 appData.loadGameFile, TRUE);
1302 } else if (*appData.loadPositionFile != NULLCHAR) {
1303 (void) LoadPositionFromFile(appData.loadPositionFile,
1304 appData.loadPositionIndex,
1305 appData.loadPositionFile);
1306 /* [HGM] try to make self-starting even after FEN load */
1307 /* to allow automatic setup of fairy variants with wtm */
1308 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1309 gameMode = BeginningOfGame;
1310 setboardSpoiledMachineBlack = 1;
1312 /* [HGM] loadPos: make that every new game uses the setup */
1313 /* from file as long as we do not switch variant */
1314 if(!blackPlaysFirst) {
1315 startedFromPositionFile = TRUE;
1316 CopyBoard(filePosition, boards[0]);
1319 if (initialMode == AnalyzeMode) {
1320 if (appData.noChessProgram) {
1321 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1324 if (appData.icsActive) {
1325 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1329 } else if (initialMode == AnalyzeFile) {
1330 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1331 ShowThinkingEvent();
1333 AnalysisPeriodicEvent(1);
1334 } else if (initialMode == MachinePlaysWhite) {
1335 if (appData.noChessProgram) {
1336 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1340 if (appData.icsActive) {
1341 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1345 MachineWhiteEvent();
1346 } else if (initialMode == MachinePlaysBlack) {
1347 if (appData.noChessProgram) {
1348 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1352 if (appData.icsActive) {
1353 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1357 MachineBlackEvent();
1358 } else if (initialMode == TwoMachinesPlay) {
1359 if (appData.noChessProgram) {
1360 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1364 if (appData.icsActive) {
1365 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1370 } else if (initialMode == EditGame) {
1372 } else if (initialMode == EditPosition) {
1373 EditPositionEvent();
1374 } else if (initialMode == Training) {
1375 if (*appData.loadGameFile == NULLCHAR) {
1376 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1385 * Establish will establish a contact to a remote host.port.
1386 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1387 * used to talk to the host.
1388 * Returns 0 if okay, error code if not.
1395 if (*appData.icsCommPort != NULLCHAR) {
1396 /* Talk to the host through a serial comm port */
1397 return OpenCommPort(appData.icsCommPort, &icsPR);
1399 } else if (*appData.gateway != NULLCHAR) {
1400 if (*appData.remoteShell == NULLCHAR) {
1401 /* Use the rcmd protocol to run telnet program on a gateway host */
1402 snprintf(buf, sizeof(buf), "%s %s %s",
1403 appData.telnetProgram, appData.icsHost, appData.icsPort);
1404 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1407 /* Use the rsh program to run telnet program on a gateway host */
1408 if (*appData.remoteUser == NULLCHAR) {
1409 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1410 appData.gateway, appData.telnetProgram,
1411 appData.icsHost, appData.icsPort);
1413 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1414 appData.remoteShell, appData.gateway,
1415 appData.remoteUser, appData.telnetProgram,
1416 appData.icsHost, appData.icsPort);
1418 return StartChildProcess(buf, "", &icsPR);
1421 } else if (appData.useTelnet) {
1422 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1425 /* TCP socket interface differs somewhat between
1426 Unix and NT; handle details in the front end.
1428 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1432 void EscapeExpand(char *p, char *q)
1433 { // [HGM] initstring: routine to shape up string arguments
1434 while(*p++ = *q++) if(p[-1] == '\\')
1436 case 'n': p[-1] = '\n'; break;
1437 case 'r': p[-1] = '\r'; break;
1438 case 't': p[-1] = '\t'; break;
1439 case '\\': p[-1] = '\\'; break;
1440 case 0: *p = 0; return;
1441 default: p[-1] = q[-1]; break;
1446 show_bytes(fp, buf, count)
1452 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1453 fprintf(fp, "\\%03o", *buf & 0xff);
1462 /* Returns an errno value */
1464 OutputMaybeTelnet(pr, message, count, outError)
1470 char buf[8192], *p, *q, *buflim;
1471 int left, newcount, outcount;
1473 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1474 *appData.gateway != NULLCHAR) {
1475 if (appData.debugMode) {
1476 fprintf(debugFP, ">ICS: ");
1477 show_bytes(debugFP, message, count);
1478 fprintf(debugFP, "\n");
1480 return OutputToProcess(pr, message, count, outError);
1483 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1490 if (appData.debugMode) {
1491 fprintf(debugFP, ">ICS: ");
1492 show_bytes(debugFP, buf, newcount);
1493 fprintf(debugFP, "\n");
1495 outcount = OutputToProcess(pr, buf, newcount, outError);
1496 if (outcount < newcount) return -1; /* to be sure */
1503 } else if (((unsigned char) *p) == TN_IAC) {
1504 *q++ = (char) TN_IAC;
1511 if (appData.debugMode) {
1512 fprintf(debugFP, ">ICS: ");
1513 show_bytes(debugFP, buf, newcount);
1514 fprintf(debugFP, "\n");
1516 outcount = OutputToProcess(pr, buf, newcount, outError);
1517 if (outcount < newcount) return -1; /* to be sure */
1522 read_from_player(isr, closure, message, count, error)
1529 int outError, outCount;
1530 static int gotEof = 0;
1532 /* Pass data read from player on to ICS */
1535 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1536 if (outCount < count) {
1537 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1539 } else if (count < 0) {
1540 RemoveInputSource(isr);
1541 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1542 } else if (gotEof++ > 0) {
1543 RemoveInputSource(isr);
1544 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1550 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1551 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1552 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1553 SendToICS("date\n");
1554 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1557 /* added routine for printf style output to ics */
1558 void ics_printf(char *format, ...)
1560 char buffer[MSG_SIZ];
1563 va_start(args, format);
1564 vsnprintf(buffer, sizeof(buffer), format, args);
1565 buffer[sizeof(buffer)-1] = '\0';
1574 int count, outCount, outError;
1576 if (icsPR == NULL) return;
1579 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1580 if (outCount < count) {
1581 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1585 /* This is used for sending logon scripts to the ICS. Sending
1586 without a delay causes problems when using timestamp on ICC
1587 (at least on my machine). */
1589 SendToICSDelayed(s,msdelay)
1593 int count, outCount, outError;
1595 if (icsPR == NULL) return;
1598 if (appData.debugMode) {
1599 fprintf(debugFP, ">ICS: ");
1600 show_bytes(debugFP, s, count);
1601 fprintf(debugFP, "\n");
1603 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1605 if (outCount < count) {
1606 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1611 /* Remove all highlighting escape sequences in s
1612 Also deletes any suffix starting with '('
1615 StripHighlightAndTitle(s)
1618 static char retbuf[MSG_SIZ];
1621 while (*s != NULLCHAR) {
1622 while (*s == '\033') {
1623 while (*s != NULLCHAR && !isalpha(*s)) s++;
1624 if (*s != NULLCHAR) s++;
1626 while (*s != NULLCHAR && *s != '\033') {
1627 if (*s == '(' || *s == '[') {
1638 /* Remove all highlighting escape sequences in s */
1643 static char retbuf[MSG_SIZ];
1646 while (*s != NULLCHAR) {
1647 while (*s == '\033') {
1648 while (*s != NULLCHAR && !isalpha(*s)) s++;
1649 if (*s != NULLCHAR) s++;
1651 while (*s != NULLCHAR && *s != '\033') {
1659 char *variantNames[] = VARIANT_NAMES;
1664 return variantNames[v];
1668 /* Identify a variant from the strings the chess servers use or the
1669 PGN Variant tag names we use. */
1676 VariantClass v = VariantNormal;
1677 int i, found = FALSE;
1683 /* [HGM] skip over optional board-size prefixes */
1684 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1685 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1686 while( *e++ != '_');
1689 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1693 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1694 if (StrCaseStr(e, variantNames[i])) {
1695 v = (VariantClass) i;
1702 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1703 || StrCaseStr(e, "wild/fr")
1704 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1705 v = VariantFischeRandom;
1706 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1707 (i = 1, p = StrCaseStr(e, "w"))) {
1709 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
1716 case 0: /* FICS only, actually */
1718 /* Castling legal even if K starts on d-file */
1719 v = VariantWildCastle;
1724 /* Castling illegal even if K & R happen to start in
1725 normal positions. */
1726 v = VariantNoCastle;
1739 /* Castling legal iff K & R start in normal positions */
1745 /* Special wilds for position setup; unclear what to do here */
1746 v = VariantLoadable;
1749 /* Bizarre ICC game */
1750 v = VariantTwoKings;
1753 v = VariantKriegspiel;
1759 v = VariantFischeRandom;
1762 v = VariantCrazyhouse;
1765 v = VariantBughouse;
1771 /* Not quite the same as FICS suicide! */
1772 v = VariantGiveaway;
1778 v = VariantShatranj;
1781 /* Temporary names for future ICC types. The name *will* change in
1782 the next xboard/WinBoard release after ICC defines it. */
1820 v = VariantCapablanca;
1823 v = VariantKnightmate;
1829 v = VariantCylinder;
1835 v = VariantCapaRandom;
1838 v = VariantBerolina;
1850 /* Found "wild" or "w" in the string but no number;
1851 must assume it's normal chess. */
1855 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
1856 if( (len > MSG_SIZ) && appData.debugMode )
1857 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
1859 DisplayError(buf, 0);
1865 if (appData.debugMode) {
1866 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
1867 e, wnum, VariantName(v));
1872 static int leftover_start = 0, leftover_len = 0;
1873 char star_match[STAR_MATCH_N][MSG_SIZ];
1875 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
1876 advance *index beyond it, and set leftover_start to the new value of
1877 *index; else return FALSE. If pattern contains the character '*', it
1878 matches any sequence of characters not containing '\r', '\n', or the
1879 character following the '*' (if any), and the matched sequence(s) are
1880 copied into star_match.
1883 looking_at(buf, index, pattern)
1888 char *bufp = &buf[*index], *patternp = pattern;
1890 char *matchp = star_match[0];
1893 if (*patternp == NULLCHAR) {
1894 *index = leftover_start = bufp - buf;
1898 if (*bufp == NULLCHAR) return FALSE;
1899 if (*patternp == '*') {
1900 if (*bufp == *(patternp + 1)) {
1902 matchp = star_match[++star_count];
1906 } else if (*bufp == '\n' || *bufp == '\r') {
1908 if (*patternp == NULLCHAR)
1913 *matchp++ = *bufp++;
1917 if (*patternp != *bufp) return FALSE;
1924 SendToPlayer(data, length)
1928 int error, outCount;
1929 outCount = OutputToProcess(NoProc, data, length, &error);
1930 if (outCount < length) {
1931 DisplayFatalError(_("Error writing to display"), error, 1);
1936 PackHolding(packed, holding)
1948 switch (runlength) {
1959 sprintf(q, "%d", runlength);
1971 /* Telnet protocol requests from the front end */
1973 TelnetRequest(ddww, option)
1974 unsigned char ddww, option;
1976 unsigned char msg[3];
1977 int outCount, outError;
1979 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
1981 if (appData.debugMode) {
1982 char buf1[8], buf2[8], *ddwwStr, *optionStr;
1998 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2007 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2010 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2015 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2017 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2024 if (!appData.icsActive) return;
2025 TelnetRequest(TN_DO, TN_ECHO);
2031 if (!appData.icsActive) return;
2032 TelnetRequest(TN_DONT, TN_ECHO);
2036 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
2038 /* put the holdings sent to us by the server on the board holdings area */
2039 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2043 if(gameInfo.holdingsWidth < 2) return;
2044 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2045 return; // prevent overwriting by pre-board holdings
2047 if( (int)lowestPiece >= BlackPawn ) {
2050 holdingsStartRow = BOARD_HEIGHT-1;
2053 holdingsColumn = BOARD_WIDTH-1;
2054 countsColumn = BOARD_WIDTH-2;
2055 holdingsStartRow = 0;
2059 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2060 board[i][holdingsColumn] = EmptySquare;
2061 board[i][countsColumn] = (ChessSquare) 0;
2063 while( (p=*holdings++) != NULLCHAR ) {
2064 piece = CharToPiece( ToUpper(p) );
2065 if(piece == EmptySquare) continue;
2066 /*j = (int) piece - (int) WhitePawn;*/
2067 j = PieceToNumber(piece);
2068 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2069 if(j < 0) continue; /* should not happen */
2070 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2071 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2072 board[holdingsStartRow+j*direction][countsColumn]++;
2078 VariantSwitch(Board board, VariantClass newVariant)
2080 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2081 static Board oldBoard;
2083 startedFromPositionFile = FALSE;
2084 if(gameInfo.variant == newVariant) return;
2086 /* [HGM] This routine is called each time an assignment is made to
2087 * gameInfo.variant during a game, to make sure the board sizes
2088 * are set to match the new variant. If that means adding or deleting
2089 * holdings, we shift the playing board accordingly
2090 * This kludge is needed because in ICS observe mode, we get boards
2091 * of an ongoing game without knowing the variant, and learn about the
2092 * latter only later. This can be because of the move list we requested,
2093 * in which case the game history is refilled from the beginning anyway,
2094 * but also when receiving holdings of a crazyhouse game. In the latter
2095 * case we want to add those holdings to the already received position.
2099 if (appData.debugMode) {
2100 fprintf(debugFP, "Switch board from %s to %s\n",
2101 VariantName(gameInfo.variant), VariantName(newVariant));
2102 setbuf(debugFP, NULL);
2104 shuffleOpenings = 0; /* [HGM] shuffle */
2105 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2109 newWidth = 9; newHeight = 9;
2110 gameInfo.holdingsSize = 7;
2111 case VariantBughouse:
2112 case VariantCrazyhouse:
2113 newHoldingsWidth = 2; break;
2117 newHoldingsWidth = 2;
2118 gameInfo.holdingsSize = 8;
2121 case VariantCapablanca:
2122 case VariantCapaRandom:
2125 newHoldingsWidth = gameInfo.holdingsSize = 0;
2128 if(newWidth != gameInfo.boardWidth ||
2129 newHeight != gameInfo.boardHeight ||
2130 newHoldingsWidth != gameInfo.holdingsWidth ) {
2132 /* shift position to new playing area, if needed */
2133 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2134 for(i=0; i<BOARD_HEIGHT; i++)
2135 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2136 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2138 for(i=0; i<newHeight; i++) {
2139 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2140 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2142 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2143 for(i=0; i<BOARD_HEIGHT; i++)
2144 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2145 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2148 gameInfo.boardWidth = newWidth;
2149 gameInfo.boardHeight = newHeight;
2150 gameInfo.holdingsWidth = newHoldingsWidth;
2151 gameInfo.variant = newVariant;
2152 InitDrawingSizes(-2, 0);
2153 } else gameInfo.variant = newVariant;
2154 CopyBoard(oldBoard, board); // remember correctly formatted board
2155 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2156 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2159 static int loggedOn = FALSE;
2161 /*-- Game start info cache: --*/
2163 char gs_kind[MSG_SIZ];
2164 static char player1Name[128] = "";
2165 static char player2Name[128] = "";
2166 static char cont_seq[] = "\n\\ ";
2167 static int player1Rating = -1;
2168 static int player2Rating = -1;
2169 /*----------------------------*/
2171 ColorClass curColor = ColorNormal;
2172 int suppressKibitz = 0;
2175 Boolean soughtPending = FALSE;
2176 Boolean seekGraphUp;
2177 #define MAX_SEEK_ADS 200
2179 char *seekAdList[MAX_SEEK_ADS];
2180 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2181 float tcList[MAX_SEEK_ADS];
2182 char colorList[MAX_SEEK_ADS];
2183 int nrOfSeekAds = 0;
2184 int minRating = 1010, maxRating = 2800;
2185 int hMargin = 10, vMargin = 20, h, w;
2186 extern int squareSize, lineGap;
2191 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2192 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2193 if(r < minRating+100 && r >=0 ) r = minRating+100;
2194 if(r > maxRating) r = maxRating;
2195 if(tc < 1.) tc = 1.;
2196 if(tc > 95.) tc = 95.;
2197 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2198 y = ((double)r - minRating)/(maxRating - minRating)
2199 * (h-vMargin-squareSize/8-1) + vMargin;
2200 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2201 if(strstr(seekAdList[i], " u ")) color = 1;
2202 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2203 !strstr(seekAdList[i], "bullet") &&
2204 !strstr(seekAdList[i], "blitz") &&
2205 !strstr(seekAdList[i], "standard") ) color = 2;
2206 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2207 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2211 AddAd(char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2213 char buf[MSG_SIZ], *ext = "";
2214 VariantClass v = StringToVariant(type);
2215 if(strstr(type, "wild")) {
2216 ext = type + 4; // append wild number
2217 if(v == VariantFischeRandom) type = "chess960"; else
2218 if(v == VariantLoadable) type = "setup"; else
2219 type = VariantName(v);
2221 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2222 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2223 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2224 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2225 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2226 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2227 seekNrList[nrOfSeekAds] = nr;
2228 zList[nrOfSeekAds] = 0;
2229 seekAdList[nrOfSeekAds++] = StrSave(buf);
2230 if(plot) PlotSeekAd(nrOfSeekAds-1);
2237 int x = xList[i], y = yList[i], d=squareSize/4, k;
2238 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2239 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2240 // now replot every dot that overlapped
2241 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2242 int xx = xList[k], yy = yList[k];
2243 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2244 DrawSeekDot(xx, yy, colorList[k]);
2249 RemoveSeekAd(int nr)
2252 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2254 if(seekAdList[i]) free(seekAdList[i]);
2255 seekAdList[i] = seekAdList[--nrOfSeekAds];
2256 seekNrList[i] = seekNrList[nrOfSeekAds];
2257 ratingList[i] = ratingList[nrOfSeekAds];
2258 colorList[i] = colorList[nrOfSeekAds];
2259 tcList[i] = tcList[nrOfSeekAds];
2260 xList[i] = xList[nrOfSeekAds];
2261 yList[i] = yList[nrOfSeekAds];
2262 zList[i] = zList[nrOfSeekAds];
2263 seekAdList[nrOfSeekAds] = NULL;
2269 MatchSoughtLine(char *line)
2271 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2272 int nr, base, inc, u=0; char dummy;
2274 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2275 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2277 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2278 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2279 // match: compact and save the line
2280 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2290 if(!seekGraphUp) return FALSE;
2291 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2292 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2294 DrawSeekBackground(0, 0, w, h);
2295 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2296 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2297 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2298 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2300 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2303 snprintf(buf, MSG_SIZ, "%d", i);
2304 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2307 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2308 for(i=1; i<100; i+=(i<10?1:5)) {
2309 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2310 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2311 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2313 snprintf(buf, MSG_SIZ, "%d", i);
2314 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2317 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2321 int SeekGraphClick(ClickType click, int x, int y, int moving)
2323 static int lastDown = 0, displayed = 0, lastSecond;
2324 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2325 if(click == Release || moving) return FALSE;
2327 soughtPending = TRUE;
2328 SendToICS(ics_prefix);
2329 SendToICS("sought\n"); // should this be "sought all"?
2330 } else { // issue challenge based on clicked ad
2331 int dist = 10000; int i, closest = 0, second = 0;
2332 for(i=0; i<nrOfSeekAds; i++) {
2333 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2334 if(d < dist) { dist = d; closest = i; }
2335 second += (d - zList[i] < 120); // count in-range ads
2336 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2340 second = (second > 1);
2341 if(displayed != closest || second != lastSecond) {
2342 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2343 lastSecond = second; displayed = closest;
2345 if(click == Press) {
2346 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2349 } // on press 'hit', only show info
2350 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2351 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2352 SendToICS(ics_prefix);
2354 return TRUE; // let incoming board of started game pop down the graph
2355 } else if(click == Release) { // release 'miss' is ignored
2356 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2357 if(moving == 2) { // right up-click
2358 nrOfSeekAds = 0; // refresh graph
2359 soughtPending = TRUE;
2360 SendToICS(ics_prefix);
2361 SendToICS("sought\n"); // should this be "sought all"?
2364 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2365 // press miss or release hit 'pop down' seek graph
2366 seekGraphUp = FALSE;
2367 DrawPosition(TRUE, NULL);
2373 read_from_ics(isr, closure, data, count, error)
2380 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2381 #define STARTED_NONE 0
2382 #define STARTED_MOVES 1
2383 #define STARTED_BOARD 2
2384 #define STARTED_OBSERVE 3
2385 #define STARTED_HOLDINGS 4
2386 #define STARTED_CHATTER 5
2387 #define STARTED_COMMENT 6
2388 #define STARTED_MOVES_NOHIDE 7
2390 static int started = STARTED_NONE;
2391 static char parse[20000];
2392 static int parse_pos = 0;
2393 static char buf[BUF_SIZE + 1];
2394 static int firstTime = TRUE, intfSet = FALSE;
2395 static ColorClass prevColor = ColorNormal;
2396 static int savingComment = FALSE;
2397 static int cmatch = 0; // continuation sequence match
2404 int backup; /* [DM] For zippy color lines */
2406 char talker[MSG_SIZ]; // [HGM] chat
2409 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2411 if (appData.debugMode) {
2413 fprintf(debugFP, "<ICS: ");
2414 show_bytes(debugFP, data, count);
2415 fprintf(debugFP, "\n");
2419 if (appData.debugMode) { int f = forwardMostMove;
2420 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2421 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2422 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2425 /* If last read ended with a partial line that we couldn't parse,
2426 prepend it to the new read and try again. */
2427 if (leftover_len > 0) {
2428 for (i=0; i<leftover_len; i++)
2429 buf[i] = buf[leftover_start + i];
2432 /* copy new characters into the buffer */
2433 bp = buf + leftover_len;
2434 buf_len=leftover_len;
2435 for (i=0; i<count; i++)
2438 if (data[i] == '\r')
2441 // join lines split by ICS?
2442 if (!appData.noJoin)
2445 Joining just consists of finding matches against the
2446 continuation sequence, and discarding that sequence
2447 if found instead of copying it. So, until a match
2448 fails, there's nothing to do since it might be the
2449 complete sequence, and thus, something we don't want
2452 if (data[i] == cont_seq[cmatch])
2455 if (cmatch == strlen(cont_seq))
2457 cmatch = 0; // complete match. just reset the counter
2460 it's possible for the ICS to not include the space
2461 at the end of the last word, making our [correct]
2462 join operation fuse two separate words. the server
2463 does this when the space occurs at the width setting.
2465 if (!buf_len || buf[buf_len-1] != ' ')
2476 match failed, so we have to copy what matched before
2477 falling through and copying this character. In reality,
2478 this will only ever be just the newline character, but
2479 it doesn't hurt to be precise.
2481 strncpy(bp, cont_seq, cmatch);
2493 buf[buf_len] = NULLCHAR;
2494 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2499 while (i < buf_len) {
2500 /* Deal with part of the TELNET option negotiation
2501 protocol. We refuse to do anything beyond the
2502 defaults, except that we allow the WILL ECHO option,
2503 which ICS uses to turn off password echoing when we are
2504 directly connected to it. We reject this option
2505 if localLineEditing mode is on (always on in xboard)
2506 and we are talking to port 23, which might be a real
2507 telnet server that will try to keep WILL ECHO on permanently.
2509 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2510 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2511 unsigned char option;
2513 switch ((unsigned char) buf[++i]) {
2515 if (appData.debugMode)
2516 fprintf(debugFP, "\n<WILL ");
2517 switch (option = (unsigned char) buf[++i]) {
2519 if (appData.debugMode)
2520 fprintf(debugFP, "ECHO ");
2521 /* Reply only if this is a change, according
2522 to the protocol rules. */
2523 if (remoteEchoOption) break;
2524 if (appData.localLineEditing &&
2525 atoi(appData.icsPort) == TN_PORT) {
2526 TelnetRequest(TN_DONT, TN_ECHO);
2529 TelnetRequest(TN_DO, TN_ECHO);
2530 remoteEchoOption = TRUE;
2534 if (appData.debugMode)
2535 fprintf(debugFP, "%d ", option);
2536 /* Whatever this is, we don't want it. */
2537 TelnetRequest(TN_DONT, option);
2542 if (appData.debugMode)
2543 fprintf(debugFP, "\n<WONT ");
2544 switch (option = (unsigned char) buf[++i]) {
2546 if (appData.debugMode)
2547 fprintf(debugFP, "ECHO ");
2548 /* Reply only if this is a change, according
2549 to the protocol rules. */
2550 if (!remoteEchoOption) break;
2552 TelnetRequest(TN_DONT, TN_ECHO);
2553 remoteEchoOption = FALSE;
2556 if (appData.debugMode)
2557 fprintf(debugFP, "%d ", (unsigned char) option);
2558 /* Whatever this is, it must already be turned
2559 off, because we never agree to turn on
2560 anything non-default, so according to the
2561 protocol rules, we don't reply. */
2566 if (appData.debugMode)
2567 fprintf(debugFP, "\n<DO ");
2568 switch (option = (unsigned char) buf[++i]) {
2570 /* Whatever this is, we refuse to do it. */
2571 if (appData.debugMode)
2572 fprintf(debugFP, "%d ", option);
2573 TelnetRequest(TN_WONT, option);
2578 if (appData.debugMode)
2579 fprintf(debugFP, "\n<DONT ");
2580 switch (option = (unsigned char) buf[++i]) {
2582 if (appData.debugMode)
2583 fprintf(debugFP, "%d ", option);
2584 /* Whatever this is, we are already not doing
2585 it, because we never agree to do anything
2586 non-default, so according to the protocol
2587 rules, we don't reply. */
2592 if (appData.debugMode)
2593 fprintf(debugFP, "\n<IAC ");
2594 /* Doubled IAC; pass it through */
2598 if (appData.debugMode)
2599 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2600 /* Drop all other telnet commands on the floor */
2603 if (oldi > next_out)
2604 SendToPlayer(&buf[next_out], oldi - next_out);
2610 /* OK, this at least will *usually* work */
2611 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2615 if (loggedOn && !intfSet) {
2616 if (ics_type == ICS_ICC) {
2617 snprintf(str, MSG_SIZ,
2618 "/set-quietly interface %s\n/set-quietly style 12\n",
2620 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2621 strcat(str, "/set-2 51 1\n/set seek 1\n");
2622 } else if (ics_type == ICS_CHESSNET) {
2623 snprintf(str, MSG_SIZ, "/style 12\n");
2625 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2626 strcat(str, programVersion);
2627 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2628 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2629 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2631 strcat(str, "$iset nohighlight 1\n");
2633 strcat(str, "$iset lock 1\n$style 12\n");
2636 NotifyFrontendLogin();
2640 if (started == STARTED_COMMENT) {
2641 /* Accumulate characters in comment */
2642 parse[parse_pos++] = buf[i];
2643 if (buf[i] == '\n') {
2644 parse[parse_pos] = NULLCHAR;
2645 if(chattingPartner>=0) {
2647 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2648 OutputChatMessage(chattingPartner, mess);
2649 chattingPartner = -1;
2650 next_out = i+1; // [HGM] suppress printing in ICS window
2652 if(!suppressKibitz) // [HGM] kibitz
2653 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2654 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2655 int nrDigit = 0, nrAlph = 0, j;
2656 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2657 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2658 parse[parse_pos] = NULLCHAR;
2659 // try to be smart: if it does not look like search info, it should go to
2660 // ICS interaction window after all, not to engine-output window.
2661 for(j=0; j<parse_pos; j++) { // count letters and digits
2662 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2663 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2664 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2666 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2667 int depth=0; float score;
2668 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2669 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2670 pvInfoList[forwardMostMove-1].depth = depth;
2671 pvInfoList[forwardMostMove-1].score = 100*score;
2673 OutputKibitz(suppressKibitz, parse);
2676 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
2677 SendToPlayer(tmp, strlen(tmp));
2679 next_out = i+1; // [HGM] suppress printing in ICS window
2681 started = STARTED_NONE;
2683 /* Don't match patterns against characters in comment */
2688 if (started == STARTED_CHATTER) {
2689 if (buf[i] != '\n') {
2690 /* Don't match patterns against characters in chatter */
2694 started = STARTED_NONE;
2695 if(suppressKibitz) next_out = i+1;
2698 /* Kludge to deal with rcmd protocol */
2699 if (firstTime && looking_at(buf, &i, "\001*")) {
2700 DisplayFatalError(&buf[1], 0, 1);
2706 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2709 if (appData.debugMode)
2710 fprintf(debugFP, "ics_type %d\n", ics_type);
2713 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2714 ics_type = ICS_FICS;
2716 if (appData.debugMode)
2717 fprintf(debugFP, "ics_type %d\n", ics_type);
2720 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
2721 ics_type = ICS_CHESSNET;
2723 if (appData.debugMode)
2724 fprintf(debugFP, "ics_type %d\n", ics_type);
2729 (looking_at(buf, &i, "\"*\" is *a registered name") ||
2730 looking_at(buf, &i, "Logging you in as \"*\"") ||
2731 looking_at(buf, &i, "will be \"*\""))) {
2732 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
2736 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
2738 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
2739 DisplayIcsInteractionTitle(buf);
2740 have_set_title = TRUE;
2743 /* skip finger notes */
2744 if (started == STARTED_NONE &&
2745 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
2746 (buf[i] == '1' && buf[i+1] == '0')) &&
2747 buf[i+2] == ':' && buf[i+3] == ' ') {
2748 started = STARTED_CHATTER;
2754 // [HGM] seekgraph: recognize sought lines and end-of-sought message
2755 if(appData.seekGraph) {
2756 if(soughtPending && MatchSoughtLine(buf+i)) {
2757 i = strstr(buf+i, "rated") - buf;
2758 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2759 next_out = leftover_start = i;
2760 started = STARTED_CHATTER;
2761 suppressKibitz = TRUE;
2764 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
2765 && looking_at(buf, &i, "* ads displayed")) {
2766 soughtPending = FALSE;
2771 if(appData.autoRefresh) {
2772 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
2773 int s = (ics_type == ICS_ICC); // ICC format differs
2775 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
2776 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
2777 looking_at(buf, &i, "*% "); // eat prompt
2778 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
2779 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2780 next_out = i; // suppress
2783 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
2784 char *p = star_match[0];
2786 if(seekGraphUp) RemoveSeekAd(atoi(p));
2787 while(*p && *p++ != ' '); // next
2789 looking_at(buf, &i, "*% "); // eat prompt
2790 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2797 /* skip formula vars */
2798 if (started == STARTED_NONE &&
2799 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
2800 started = STARTED_CHATTER;
2805 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
2806 if (appData.autoKibitz && started == STARTED_NONE &&
2807 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
2808 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
2809 if((looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
2810 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
2811 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
2812 suppressKibitz = TRUE;
2813 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2815 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
2816 && (gameMode == IcsPlayingWhite)) ||
2817 (StrStr(star_match[0], gameInfo.black) == star_match[0]
2818 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
2819 started = STARTED_CHATTER; // own kibitz we simply discard
2821 started = STARTED_COMMENT; // make sure it will be collected in parse[]
2822 parse_pos = 0; parse[0] = NULLCHAR;
2823 savingComment = TRUE;
2824 suppressKibitz = gameMode != IcsObserving ? 2 :
2825 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
2829 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
2830 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
2831 && atoi(star_match[0])) {
2832 // suppress the acknowledgements of our own autoKibitz
2834 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2835 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
2836 SendToPlayer(star_match[0], strlen(star_match[0]));
2837 if(looking_at(buf, &i, "*% ")) // eat prompt
2838 suppressKibitz = FALSE;
2842 } // [HGM] kibitz: end of patch
2844 // [HGM] chat: intercept tells by users for which we have an open chat window
2846 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
2847 looking_at(buf, &i, "* whispers:") ||
2848 looking_at(buf, &i, "* kibitzes:") ||
2849 looking_at(buf, &i, "* shouts:") ||
2850 looking_at(buf, &i, "* c-shouts:") ||
2851 looking_at(buf, &i, "--> * ") ||
2852 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
2853 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
2854 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
2855 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
2857 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
2858 chattingPartner = -1;
2860 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
2861 for(p=0; p<MAX_CHAT; p++) {
2862 if(channel == atoi(chatPartner[p])) {
2863 talker[0] = '['; strcat(talker, "] ");
2864 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
2865 chattingPartner = p; break;
2868 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
2869 for(p=0; p<MAX_CHAT; p++) {
2870 if(!strcmp("kibitzes", chatPartner[p])) {
2871 talker[0] = '['; strcat(talker, "] ");
2872 chattingPartner = p; break;
2875 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
2876 for(p=0; p<MAX_CHAT; p++) {
2877 if(!strcmp("whispers", chatPartner[p])) {
2878 talker[0] = '['; strcat(talker, "] ");
2879 chattingPartner = p; break;
2882 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
2883 if(buf[i-8] == '-' && buf[i-3] == 't')
2884 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
2885 if(!strcmp("c-shouts", chatPartner[p])) {
2886 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
2887 chattingPartner = p; break;
2890 if(chattingPartner < 0)
2891 for(p=0; p<MAX_CHAT; p++) {
2892 if(!strcmp("shouts", chatPartner[p])) {
2893 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
2894 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
2895 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
2896 chattingPartner = p; break;
2900 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
2901 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
2902 talker[0] = 0; Colorize(ColorTell, FALSE);
2903 chattingPartner = p; break;
2905 if(chattingPartner<0) i = oldi; else {
2906 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
2907 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
2908 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2909 started = STARTED_COMMENT;
2910 parse_pos = 0; parse[0] = NULLCHAR;
2911 savingComment = 3 + chattingPartner; // counts as TRUE
2912 suppressKibitz = TRUE;
2915 } // [HGM] chat: end of patch
2917 if (appData.zippyTalk || appData.zippyPlay) {
2918 /* [DM] Backup address for color zippy lines */
2921 if (loggedOn == TRUE)
2922 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
2923 (appData.zippyPlay && ZippyMatch(buf, &backup)));
2925 } // [DM] 'else { ' deleted
2927 /* Regular tells and says */
2928 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
2929 looking_at(buf, &i, "* (your partner) tells you: ") ||
2930 looking_at(buf, &i, "* says: ") ||
2931 /* Don't color "message" or "messages" output */
2932 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
2933 looking_at(buf, &i, "*. * at *:*: ") ||
2934 looking_at(buf, &i, "--* (*:*): ") ||
2935 /* Message notifications (same color as tells) */
2936 looking_at(buf, &i, "* has left a message ") ||
2937 looking_at(buf, &i, "* just sent you a message:\n") ||
2938 /* Whispers and kibitzes */
2939 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
2940 looking_at(buf, &i, "* kibitzes: ") ||
2942 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
2944 if (tkind == 1 && strchr(star_match[0], ':')) {
2945 /* Avoid "tells you:" spoofs in channels */
2948 if (star_match[0][0] == NULLCHAR ||
2949 strchr(star_match[0], ' ') ||
2950 (tkind == 3 && strchr(star_match[1], ' '))) {
2951 /* Reject bogus matches */
2954 if (appData.colorize) {
2955 if (oldi > next_out) {
2956 SendToPlayer(&buf[next_out], oldi - next_out);
2961 Colorize(ColorTell, FALSE);
2962 curColor = ColorTell;
2965 Colorize(ColorKibitz, FALSE);
2966 curColor = ColorKibitz;
2969 p = strrchr(star_match[1], '(');
2976 Colorize(ColorChannel1, FALSE);
2977 curColor = ColorChannel1;
2979 Colorize(ColorChannel, FALSE);
2980 curColor = ColorChannel;
2984 curColor = ColorNormal;
2988 if (started == STARTED_NONE && appData.autoComment &&
2989 (gameMode == IcsObserving ||
2990 gameMode == IcsPlayingWhite ||
2991 gameMode == IcsPlayingBlack)) {
2992 parse_pos = i - oldi;
2993 memcpy(parse, &buf[oldi], parse_pos);
2994 parse[parse_pos] = NULLCHAR;
2995 started = STARTED_COMMENT;
2996 savingComment = TRUE;
2998 started = STARTED_CHATTER;
2999 savingComment = FALSE;
3006 if (looking_at(buf, &i, "* s-shouts: ") ||
3007 looking_at(buf, &i, "* c-shouts: ")) {
3008 if (appData.colorize) {
3009 if (oldi > next_out) {
3010 SendToPlayer(&buf[next_out], oldi - next_out);
3013 Colorize(ColorSShout, FALSE);
3014 curColor = ColorSShout;
3017 started = STARTED_CHATTER;
3021 if (looking_at(buf, &i, "--->")) {
3026 if (looking_at(buf, &i, "* shouts: ") ||
3027 looking_at(buf, &i, "--> ")) {
3028 if (appData.colorize) {
3029 if (oldi > next_out) {
3030 SendToPlayer(&buf[next_out], oldi - next_out);
3033 Colorize(ColorShout, FALSE);
3034 curColor = ColorShout;
3037 started = STARTED_CHATTER;
3041 if (looking_at( buf, &i, "Challenge:")) {
3042 if (appData.colorize) {
3043 if (oldi > next_out) {
3044 SendToPlayer(&buf[next_out], oldi - next_out);
3047 Colorize(ColorChallenge, FALSE);
3048 curColor = ColorChallenge;
3054 if (looking_at(buf, &i, "* offers you") ||
3055 looking_at(buf, &i, "* offers to be") ||
3056 looking_at(buf, &i, "* would like to") ||
3057 looking_at(buf, &i, "* requests to") ||
3058 looking_at(buf, &i, "Your opponent offers") ||
3059 looking_at(buf, &i, "Your opponent requests")) {
3061 if (appData.colorize) {
3062 if (oldi > next_out) {
3063 SendToPlayer(&buf[next_out], oldi - next_out);
3066 Colorize(ColorRequest, FALSE);
3067 curColor = ColorRequest;
3072 if (looking_at(buf, &i, "* (*) seeking")) {
3073 if (appData.colorize) {
3074 if (oldi > next_out) {
3075 SendToPlayer(&buf[next_out], oldi - next_out);
3078 Colorize(ColorSeek, FALSE);
3079 curColor = ColorSeek;
3084 if (looking_at(buf, &i, "\\ ")) {
3085 if (prevColor != ColorNormal) {
3086 if (oldi > next_out) {
3087 SendToPlayer(&buf[next_out], oldi - next_out);
3090 Colorize(prevColor, TRUE);
3091 curColor = prevColor;
3093 if (savingComment) {
3094 parse_pos = i - oldi;
3095 memcpy(parse, &buf[oldi], parse_pos);
3096 parse[parse_pos] = NULLCHAR;
3097 started = STARTED_COMMENT;
3098 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3099 chattingPartner = savingComment - 3; // kludge to remember the box
3101 started = STARTED_CHATTER;
3106 if (looking_at(buf, &i, "Black Strength :") ||
3107 looking_at(buf, &i, "<<< style 10 board >>>") ||
3108 looking_at(buf, &i, "<10>") ||
3109 looking_at(buf, &i, "#@#")) {
3110 /* Wrong board style */
3112 SendToICS(ics_prefix);
3113 SendToICS("set style 12\n");
3114 SendToICS(ics_prefix);
3115 SendToICS("refresh\n");
3119 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3121 have_sent_ICS_logon = 1;
3122 /* if we don't send the login/password via icsLogon, use special readline
3124 if (strlen(appData.icsLogon)==0)
3126 sending_ICS_password = 0; // in case we come back to login
3127 sending_ICS_login = 1;
3131 /* need to shadow the password */
3132 if (!sending_ICS_password && looking_at(buf, &i, "password:")) {
3133 /* if we don't send the login/password via icsLogon, use special readline
3135 if (strlen(appData.icsLogon)==0)
3136 sending_ICS_password = 1;
3140 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3141 (looking_at(buf, &i, "\n<12> ") ||
3142 looking_at(buf, &i, "<12> "))) {
3144 if (oldi > next_out) {
3145 SendToPlayer(&buf[next_out], oldi - next_out);
3148 started = STARTED_BOARD;
3153 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3154 looking_at(buf, &i, "<b1> ")) {
3155 if (oldi > next_out) {
3156 SendToPlayer(&buf[next_out], oldi - next_out);
3159 started = STARTED_HOLDINGS;
3164 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3166 /* Header for a move list -- first line */
3168 switch (ics_getting_history) {
3172 case BeginningOfGame:
3173 /* User typed "moves" or "oldmoves" while we
3174 were idle. Pretend we asked for these
3175 moves and soak them up so user can step
3176 through them and/or save them.
3179 gameMode = IcsObserving;
3182 ics_getting_history = H_GOT_UNREQ_HEADER;
3184 case EditGame: /*?*/
3185 case EditPosition: /*?*/
3186 /* Should above feature work in these modes too? */
3187 /* For now it doesn't */
3188 ics_getting_history = H_GOT_UNWANTED_HEADER;
3191 ics_getting_history = H_GOT_UNWANTED_HEADER;
3196 /* Is this the right one? */
3197 if (gameInfo.white && gameInfo.black &&
3198 strcmp(gameInfo.white, star_match[0]) == 0 &&
3199 strcmp(gameInfo.black, star_match[2]) == 0) {
3201 ics_getting_history = H_GOT_REQ_HEADER;
3204 case H_GOT_REQ_HEADER:
3205 case H_GOT_UNREQ_HEADER:
3206 case H_GOT_UNWANTED_HEADER:
3207 case H_GETTING_MOVES:
3208 /* Should not happen */
3209 DisplayError(_("Error gathering move list: two headers"), 0);
3210 ics_getting_history = H_FALSE;
3214 /* Save player ratings into gameInfo if needed */
3215 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3216 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3217 (gameInfo.whiteRating == -1 ||
3218 gameInfo.blackRating == -1)) {
3220 gameInfo.whiteRating = string_to_rating(star_match[1]);
3221 gameInfo.blackRating = string_to_rating(star_match[3]);
3222 if (appData.debugMode)
3223 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3224 gameInfo.whiteRating, gameInfo.blackRating);
3229 if (looking_at(buf, &i,
3230 "* * match, initial time: * minute*, increment: * second")) {
3231 /* Header for a move list -- second line */
3232 /* Initial board will follow if this is a wild game */
3233 if (gameInfo.event != NULL) free(gameInfo.event);
3234 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3235 gameInfo.event = StrSave(str);
3236 /* [HGM] we switched variant. Translate boards if needed. */
3237 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3241 if (looking_at(buf, &i, "Move ")) {
3242 /* Beginning of a move list */
3243 switch (ics_getting_history) {
3245 /* Normally should not happen */
3246 /* Maybe user hit reset while we were parsing */
3249 /* Happens if we are ignoring a move list that is not
3250 * the one we just requested. Common if the user
3251 * tries to observe two games without turning off
3254 case H_GETTING_MOVES:
3255 /* Should not happen */
3256 DisplayError(_("Error gathering move list: nested"), 0);
3257 ics_getting_history = H_FALSE;
3259 case H_GOT_REQ_HEADER:
3260 ics_getting_history = H_GETTING_MOVES;
3261 started = STARTED_MOVES;
3263 if (oldi > next_out) {
3264 SendToPlayer(&buf[next_out], oldi - next_out);
3267 case H_GOT_UNREQ_HEADER:
3268 ics_getting_history = H_GETTING_MOVES;
3269 started = STARTED_MOVES_NOHIDE;
3272 case H_GOT_UNWANTED_HEADER:
3273 ics_getting_history = H_FALSE;
3279 if (looking_at(buf, &i, "% ") ||
3280 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3281 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3282 if(ics_type == ICS_ICC && soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3283 soughtPending = FALSE;
3287 if(suppressKibitz) next_out = i;
3288 savingComment = FALSE;
3292 case STARTED_MOVES_NOHIDE:
3293 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3294 parse[parse_pos + i - oldi] = NULLCHAR;
3295 ParseGameHistory(parse);
3297 if (appData.zippyPlay && first.initDone) {
3298 FeedMovesToProgram(&first, forwardMostMove);
3299 if (gameMode == IcsPlayingWhite) {
3300 if (WhiteOnMove(forwardMostMove)) {
3301 if (first.sendTime) {
3302 if (first.useColors) {
3303 SendToProgram("black\n", &first);
3305 SendTimeRemaining(&first, TRUE);
3307 if (first.useColors) {
3308 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3310 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3311 first.maybeThinking = TRUE;
3313 if (first.usePlayother) {
3314 if (first.sendTime) {
3315 SendTimeRemaining(&first, TRUE);
3317 SendToProgram("playother\n", &first);
3323 } else if (gameMode == IcsPlayingBlack) {
3324 if (!WhiteOnMove(forwardMostMove)) {
3325 if (first.sendTime) {
3326 if (first.useColors) {
3327 SendToProgram("white\n", &first);
3329 SendTimeRemaining(&first, FALSE);
3331 if (first.useColors) {
3332 SendToProgram("black\n", &first);
3334 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3335 first.maybeThinking = TRUE;
3337 if (first.usePlayother) {
3338 if (first.sendTime) {
3339 SendTimeRemaining(&first, FALSE);
3341 SendToProgram("playother\n", &first);
3350 if (gameMode == IcsObserving && ics_gamenum == -1) {
3351 /* Moves came from oldmoves or moves command
3352 while we weren't doing anything else.
3354 currentMove = forwardMostMove;
3355 ClearHighlights();/*!!could figure this out*/
3356 flipView = appData.flipView;
3357 DrawPosition(TRUE, boards[currentMove]);
3358 DisplayBothClocks();
3359 snprintf(str, MSG_SIZ, "%s vs. %s",
3360 gameInfo.white, gameInfo.black);
3364 /* Moves were history of an active game */
3365 if (gameInfo.resultDetails != NULL) {
3366 free(gameInfo.resultDetails);
3367 gameInfo.resultDetails = NULL;
3370 HistorySet(parseList, backwardMostMove,
3371 forwardMostMove, currentMove-1);
3372 DisplayMove(currentMove - 1);
3373 if (started == STARTED_MOVES) next_out = i;
3374 started = STARTED_NONE;
3375 ics_getting_history = H_FALSE;
3378 case STARTED_OBSERVE:
3379 started = STARTED_NONE;
3380 SendToICS(ics_prefix);
3381 SendToICS("refresh\n");
3387 if(bookHit) { // [HGM] book: simulate book reply
3388 static char bookMove[MSG_SIZ]; // a bit generous?
3390 programStats.nodes = programStats.depth = programStats.time =
3391 programStats.score = programStats.got_only_move = 0;
3392 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3394 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3395 strcat(bookMove, bookHit);
3396 HandleMachineMove(bookMove, &first);
3401 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3402 started == STARTED_HOLDINGS ||
3403 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3404 /* Accumulate characters in move list or board */
3405 parse[parse_pos++] = buf[i];
3408 /* Start of game messages. Mostly we detect start of game
3409 when the first board image arrives. On some versions
3410 of the ICS, though, we need to do a "refresh" after starting
3411 to observe in order to get the current board right away. */
3412 if (looking_at(buf, &i, "Adding game * to observation list")) {
3413 started = STARTED_OBSERVE;
3417 /* Handle auto-observe */
3418 if (appData.autoObserve &&
3419 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3420 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3422 /* Choose the player that was highlighted, if any. */
3423 if (star_match[0][0] == '\033' ||
3424 star_match[1][0] != '\033') {
3425 player = star_match[0];
3427 player = star_match[2];
3429 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3430 ics_prefix, StripHighlightAndTitle(player));
3433 /* Save ratings from notify string */
3434 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3435 player1Rating = string_to_rating(star_match[1]);
3436 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3437 player2Rating = string_to_rating(star_match[3]);
3439 if (appData.debugMode)
3441 "Ratings from 'Game notification:' %s %d, %s %d\n",
3442 player1Name, player1Rating,
3443 player2Name, player2Rating);
3448 /* Deal with automatic examine mode after a game,
3449 and with IcsObserving -> IcsExamining transition */
3450 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3451 looking_at(buf, &i, "has made you an examiner of game *")) {
3453 int gamenum = atoi(star_match[0]);
3454 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3455 gamenum == ics_gamenum) {
3456 /* We were already playing or observing this game;
3457 no need to refetch history */
3458 gameMode = IcsExamining;
3460 pauseExamForwardMostMove = forwardMostMove;
3461 } else if (currentMove < forwardMostMove) {
3462 ForwardInner(forwardMostMove);
3465 /* I don't think this case really can happen */
3466 SendToICS(ics_prefix);
3467 SendToICS("refresh\n");
3472 /* Error messages */
3473 // if (ics_user_moved) {
3474 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3475 if (looking_at(buf, &i, "Illegal move") ||
3476 looking_at(buf, &i, "Not a legal move") ||
3477 looking_at(buf, &i, "Your king is in check") ||
3478 looking_at(buf, &i, "It isn't your turn") ||
3479 looking_at(buf, &i, "It is not your move")) {
3481 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3482 currentMove = forwardMostMove-1;
3483 DisplayMove(currentMove - 1); /* before DMError */
3484 DrawPosition(FALSE, boards[currentMove]);
3485 SwitchClocks(forwardMostMove-1); // [HGM] race
3486 DisplayBothClocks();
3488 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3494 if (looking_at(buf, &i, "still have time") ||
3495 looking_at(buf, &i, "not out of time") ||
3496 looking_at(buf, &i, "either player is out of time") ||
3497 looking_at(buf, &i, "has timeseal; checking")) {
3498 /* We must have called his flag a little too soon */
3499 whiteFlag = blackFlag = FALSE;
3503 if (looking_at(buf, &i, "added * seconds to") ||
3504 looking_at(buf, &i, "seconds were added to")) {
3505 /* Update the clocks */
3506 SendToICS(ics_prefix);
3507 SendToICS("refresh\n");
3511 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3512 ics_clock_paused = TRUE;
3517 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3518 ics_clock_paused = FALSE;
3523 /* Grab player ratings from the Creating: message.
3524 Note we have to check for the special case when
3525 the ICS inserts things like [white] or [black]. */
3526 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3527 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3529 0 player 1 name (not necessarily white)
3531 2 empty, white, or black (IGNORED)
3532 3 player 2 name (not necessarily black)
3535 The names/ratings are sorted out when the game
3536 actually starts (below).
3538 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3539 player1Rating = string_to_rating(star_match[1]);
3540 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3541 player2Rating = string_to_rating(star_match[4]);
3543 if (appData.debugMode)
3545 "Ratings from 'Creating:' %s %d, %s %d\n",
3546 player1Name, player1Rating,
3547 player2Name, player2Rating);
3552 /* Improved generic start/end-of-game messages */
3553 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3554 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3555 /* If tkind == 0: */
3556 /* star_match[0] is the game number */
3557 /* [1] is the white player's name */
3558 /* [2] is the black player's name */
3559 /* For end-of-game: */
3560 /* [3] is the reason for the game end */
3561 /* [4] is a PGN end game-token, preceded by " " */
3562 /* For start-of-game: */
3563 /* [3] begins with "Creating" or "Continuing" */
3564 /* [4] is " *" or empty (don't care). */
3565 int gamenum = atoi(star_match[0]);
3566 char *whitename, *blackname, *why, *endtoken;
3567 ChessMove endtype = EndOfFile;
3570 whitename = star_match[1];
3571 blackname = star_match[2];
3572 why = star_match[3];
3573 endtoken = star_match[4];
3575 whitename = star_match[1];
3576 blackname = star_match[3];
3577 why = star_match[5];
3578 endtoken = star_match[6];
3581 /* Game start messages */
3582 if (strncmp(why, "Creating ", 9) == 0 ||
3583 strncmp(why, "Continuing ", 11) == 0) {
3584 gs_gamenum = gamenum;
3585 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3586 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3588 if (appData.zippyPlay) {
3589 ZippyGameStart(whitename, blackname);
3592 partnerBoardValid = FALSE; // [HGM] bughouse
3596 /* Game end messages */
3597 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3598 ics_gamenum != gamenum) {
3601 while (endtoken[0] == ' ') endtoken++;
3602 switch (endtoken[0]) {
3605 endtype = GameUnfinished;
3608 endtype = BlackWins;
3611 if (endtoken[1] == '/')
3612 endtype = GameIsDrawn;
3614 endtype = WhiteWins;
3617 GameEnds(endtype, why, GE_ICS);
3619 if (appData.zippyPlay && first.initDone) {
3620 ZippyGameEnd(endtype, why);
3621 if (first.pr == NULL) {
3622 /* Start the next process early so that we'll
3623 be ready for the next challenge */
3624 StartChessProgram(&first);
3626 /* Send "new" early, in case this command takes
3627 a long time to finish, so that we'll be ready
3628 for the next challenge. */
3629 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3633 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3637 if (looking_at(buf, &i, "Removing game * from observation") ||
3638 looking_at(buf, &i, "no longer observing game *") ||
3639 looking_at(buf, &i, "Game * (*) has no examiners")) {
3640 if (gameMode == IcsObserving &&
3641 atoi(star_match[0]) == ics_gamenum)
3643 /* icsEngineAnalyze */
3644 if (appData.icsEngineAnalyze) {
3651 ics_user_moved = FALSE;
3656 if (looking_at(buf, &i, "no longer examining game *")) {
3657 if (gameMode == IcsExamining &&
3658 atoi(star_match[0]) == ics_gamenum)
3662 ics_user_moved = FALSE;
3667 /* Advance leftover_start past any newlines we find,
3668 so only partial lines can get reparsed */
3669 if (looking_at(buf, &i, "\n")) {
3670 prevColor = curColor;
3671 if (curColor != ColorNormal) {
3672 if (oldi > next_out) {
3673 SendToPlayer(&buf[next_out], oldi - next_out);
3676 Colorize(ColorNormal, FALSE);
3677 curColor = ColorNormal;
3679 if (started == STARTED_BOARD) {
3680 started = STARTED_NONE;
3681 parse[parse_pos] = NULLCHAR;
3682 ParseBoard12(parse);
3685 /* Send premove here */
3686 if (appData.premove) {
3688 if (currentMove == 0 &&
3689 gameMode == IcsPlayingWhite &&
3690 appData.premoveWhite) {
3691 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
3692 if (appData.debugMode)
3693 fprintf(debugFP, "Sending premove:\n");
3695 } else if (currentMove == 1 &&
3696 gameMode == IcsPlayingBlack &&
3697 appData.premoveBlack) {
3698 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
3699 if (appData.debugMode)
3700 fprintf(debugFP, "Sending premove:\n");
3702 } else if (gotPremove) {
3704 ClearPremoveHighlights();
3705 if (appData.debugMode)
3706 fprintf(debugFP, "Sending premove:\n");
3707 UserMoveEvent(premoveFromX, premoveFromY,
3708 premoveToX, premoveToY,
3713 /* Usually suppress following prompt */
3714 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3715 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3716 if (looking_at(buf, &i, "*% ")) {
3717 savingComment = FALSE;
3722 } else if (started == STARTED_HOLDINGS) {
3724 char new_piece[MSG_SIZ];
3725 started = STARTED_NONE;
3726 parse[parse_pos] = NULLCHAR;
3727 if (appData.debugMode)
3728 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
3729 parse, currentMove);
3730 if (sscanf(parse, " game %d", &gamenum) == 1) {
3731 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
3732 if (gameInfo.variant == VariantNormal) {
3733 /* [HGM] We seem to switch variant during a game!
3734 * Presumably no holdings were displayed, so we have
3735 * to move the position two files to the right to
3736 * create room for them!
3738 VariantClass newVariant;
3739 switch(gameInfo.boardWidth) { // base guess on board width
3740 case 9: newVariant = VariantShogi; break;
3741 case 10: newVariant = VariantGreat; break;
3742 default: newVariant = VariantCrazyhouse; break;
3744 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3745 /* Get a move list just to see the header, which
3746 will tell us whether this is really bug or zh */
3747 if (ics_getting_history == H_FALSE) {
3748 ics_getting_history = H_REQUESTED;
3749 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
3753 new_piece[0] = NULLCHAR;
3754 sscanf(parse, "game %d white [%s black [%s <- %s",
3755 &gamenum, white_holding, black_holding,
3757 white_holding[strlen(white_holding)-1] = NULLCHAR;
3758 black_holding[strlen(black_holding)-1] = NULLCHAR;
3759 /* [HGM] copy holdings to board holdings area */
3760 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
3761 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
3762 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
3764 if (appData.zippyPlay && first.initDone) {
3765 ZippyHoldings(white_holding, black_holding,
3769 if (tinyLayout || smallLayout) {
3770 char wh[16], bh[16];
3771 PackHolding(wh, white_holding);
3772 PackHolding(bh, black_holding);
3773 snprintf(str, MSG_SIZ,"[%s-%s] %s-%s", wh, bh,
3774 gameInfo.white, gameInfo.black);
3776 snprintf(str, MSG_SIZ, "%s [%s] vs. %s [%s]",
3777 gameInfo.white, white_holding,
3778 gameInfo.black, black_holding);
3780 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
3781 DrawPosition(FALSE, boards[currentMove]);
3783 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
3784 sscanf(parse, "game %d white [%s black [%s <- %s",
3785 &gamenum, white_holding, black_holding,
3787 white_holding[strlen(white_holding)-1] = NULLCHAR;
3788 black_holding[strlen(black_holding)-1] = NULLCHAR;
3789 /* [HGM] copy holdings to partner-board holdings area */
3790 CopyHoldings(partnerBoard, white_holding, WhitePawn);
3791 CopyHoldings(partnerBoard, black_holding, BlackPawn);
3792 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
3793 if(partnerUp) DrawPosition(FALSE, partnerBoard);
3794 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
3797 /* Suppress following prompt */
3798 if (looking_at(buf, &i, "*% ")) {
3799 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
3800 savingComment = FALSE;
3808 i++; /* skip unparsed character and loop back */
3811 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
3812 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
3813 // SendToPlayer(&buf[next_out], i - next_out);
3814 started != STARTED_HOLDINGS && leftover_start > next_out) {
3815 SendToPlayer(&buf[next_out], leftover_start - next_out);
3819 leftover_len = buf_len - leftover_start;
3820 /* if buffer ends with something we couldn't parse,
3821 reparse it after appending the next read */
3823 } else if (count == 0) {
3824 RemoveInputSource(isr);
3825 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
3827 DisplayFatalError(_("Error reading from ICS"), error, 1);
3832 /* Board style 12 looks like this:
3834 <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
3836 * The "<12> " is stripped before it gets to this routine. The two
3837 * trailing 0's (flip state and clock ticking) are later addition, and
3838 * some chess servers may not have them, or may have only the first.
3839 * Additional trailing fields may be added in the future.
3842 #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"
3844 #define RELATION_OBSERVING_PLAYED 0
3845 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
3846 #define RELATION_PLAYING_MYMOVE 1
3847 #define RELATION_PLAYING_NOTMYMOVE -1
3848 #define RELATION_EXAMINING 2
3849 #define RELATION_ISOLATED_BOARD -3
3850 #define RELATION_STARTING_POSITION -4 /* FICS only */
3853 ParseBoard12(string)
3856 GameMode newGameMode;
3857 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
3858 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
3859 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
3860 char to_play, board_chars[200];
3861 char move_str[500], str[500], elapsed_time[500];
3862 char black[32], white[32];
3864 int prevMove = currentMove;
3867 int fromX, fromY, toX, toY;
3869 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
3870 char *bookHit = NULL; // [HGM] book
3871 Boolean weird = FALSE, reqFlag = FALSE;
3873 fromX = fromY = toX = toY = -1;
3877 if (appData.debugMode)
3878 fprintf(debugFP, _("Parsing board: %s\n"), string);
3880 move_str[0] = NULLCHAR;
3881 elapsed_time[0] = NULLCHAR;
3882 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
3884 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
3885 if(string[i] == ' ') { ranks++; files = 0; }
3887 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
3890 for(j = 0; j <i; j++) board_chars[j] = string[j];
3891 board_chars[i] = '\0';
3894 n = sscanf(string, PATTERN, &to_play, &double_push,
3895 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
3896 &gamenum, white, black, &relation, &basetime, &increment,
3897 &white_stren, &black_stren, &white_time, &black_time,
3898 &moveNum, str, elapsed_time, move_str, &ics_flip,
3902 snprintf(str, sizeof(str), _("Failed to parse board string:\n\"%s\""), string);
3903 DisplayError(str, 0);
3907 /* Convert the move number to internal form */
3908 moveNum = (moveNum - 1) * 2;
3909 if (to_play == 'B') moveNum++;
3910 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
3911 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
3917 case RELATION_OBSERVING_PLAYED:
3918 case RELATION_OBSERVING_STATIC:
3919 if (gamenum == -1) {
3920 /* Old ICC buglet */
3921 relation = RELATION_OBSERVING_STATIC;
3923 newGameMode = IcsObserving;
3925 case RELATION_PLAYING_MYMOVE:
3926 case RELATION_PLAYING_NOTMYMOVE:
3928 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
3929 IcsPlayingWhite : IcsPlayingBlack;
3931 case RELATION_EXAMINING:
3932 newGameMode = IcsExamining;
3934 case RELATION_ISOLATED_BOARD:
3936 /* Just display this board. If user was doing something else,
3937 we will forget about it until the next board comes. */
3938 newGameMode = IcsIdle;
3940 case RELATION_STARTING_POSITION:
3941 newGameMode = gameMode;
3945 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
3946 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
3947 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
3949 for (k = 0; k < ranks; k++) {
3950 for (j = 0; j < files; j++)
3951 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
3952 if(gameInfo.holdingsWidth > 1) {
3953 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
3954 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
3957 CopyBoard(partnerBoard, board);
3958 if(toSqr = strchr(str, '/')) { // extract highlights from long move
3959 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
3960 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
3961 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
3962 if(toSqr = strchr(str, '-')) {
3963 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
3964 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
3965 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
3966 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
3967 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
3968 if(partnerUp) DrawPosition(FALSE, partnerBoard);
3969 if(twoBoards) { partnerUp = 0; flipView = !flipView; } // [HGM] dual
3970 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
3971 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
3972 DisplayMessage(partnerStatus, "");
3973 partnerBoardValid = TRUE;
3977 /* Modify behavior for initial board display on move listing
3980 switch (ics_getting_history) {
3984 case H_GOT_REQ_HEADER:
3985 case H_GOT_UNREQ_HEADER:
3986 /* This is the initial position of the current game */
3987 gamenum = ics_gamenum;
3988 moveNum = 0; /* old ICS bug workaround */
3989 if (to_play == 'B') {
3990 startedFromSetupPosition = TRUE;
3991 blackPlaysFirst = TRUE;
3993 if (forwardMostMove == 0) forwardMostMove = 1;
3994 if (backwardMostMove == 0) backwardMostMove = 1;
3995 if (currentMove == 0) currentMove = 1;
3997 newGameMode = gameMode;
3998 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4000 case H_GOT_UNWANTED_HEADER:
4001 /* This is an initial board that we don't want */
4003 case H_GETTING_MOVES:
4004 /* Should not happen */
4005 DisplayError(_("Error gathering move list: extra board"), 0);
4006 ics_getting_history = H_FALSE;
4010 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4011 weird && (int)gameInfo.variant <= (int)VariantShogi) {
4012 /* [HGM] We seem to have switched variant unexpectedly
4013 * Try to guess new variant from board size
4015 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4016 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4017 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4018 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4019 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4020 if(!weird) newVariant = VariantNormal;
4021 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4022 /* Get a move list just to see the header, which
4023 will tell us whether this is really bug or zh */
4024 if (ics_getting_history == H_FALSE) {
4025 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4026 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4031 /* Take action if this is the first board of a new game, or of a
4032 different game than is currently being displayed. */
4033 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4034 relation == RELATION_ISOLATED_BOARD) {
4036 /* Forget the old game and get the history (if any) of the new one */
4037 if (gameMode != BeginningOfGame) {
4041 if (appData.autoRaiseBoard) BoardToTop();
4043 if (gamenum == -1) {
4044 newGameMode = IcsIdle;
4045 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4046 appData.getMoveList && !reqFlag) {
4047 /* Need to get game history */
4048 ics_getting_history = H_REQUESTED;
4049 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4053 /* Initially flip the board to have black on the bottom if playing
4054 black or if the ICS flip flag is set, but let the user change
4055 it with the Flip View button. */
4056 flipView = appData.autoFlipView ?
4057 (newGameMode == IcsPlayingBlack) || ics_flip :
4060 /* Done with values from previous mode; copy in new ones */
4061 gameMode = newGameMode;
4063 ics_gamenum = gamenum;
4064 if (gamenum == gs_gamenum) {
4065 int klen = strlen(gs_kind);
4066 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4067 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4068 gameInfo.event = StrSave(str);
4070 gameInfo.event = StrSave("ICS game");
4072 gameInfo.site = StrSave(appData.icsHost);
4073 gameInfo.date = PGNDate();
4074 gameInfo.round = StrSave("-");
4075 gameInfo.white = StrSave(white);
4076 gameInfo.black = StrSave(black);
4077 timeControl = basetime * 60 * 1000;
4079 timeIncrement = increment * 1000;
4080 movesPerSession = 0;
4081 gameInfo.timeControl = TimeControlTagValue();
4082 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4083 if (appData.debugMode) {
4084 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4085 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4086 setbuf(debugFP, NULL);
4089 gameInfo.outOfBook = NULL;
4091 /* Do we have the ratings? */
4092 if (strcmp(player1Name, white) == 0 &&
4093 strcmp(player2Name, black) == 0) {
4094 if (appData.debugMode)
4095 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4096 player1Rating, player2Rating);
4097 gameInfo.whiteRating = player1Rating;
4098 gameInfo.blackRating = player2Rating;
4099 } else if (strcmp(player2Name, white) == 0 &&
4100 strcmp(player1Name, black) == 0) {
4101 if (appData.debugMode)
4102 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4103 player2Rating, player1Rating);
4104 gameInfo.whiteRating = player2Rating;
4105 gameInfo.blackRating = player1Rating;
4107 player1Name[0] = player2Name[0] = NULLCHAR;
4109 /* Silence shouts if requested */
4110 if (appData.quietPlay &&
4111 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4112 SendToICS(ics_prefix);
4113 SendToICS("set shout 0\n");
4117 /* Deal with midgame name changes */
4119 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4120 if (gameInfo.white) free(gameInfo.white);
4121 gameInfo.white = StrSave(white);
4123 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4124 if (gameInfo.black) free(gameInfo.black);
4125 gameInfo.black = StrSave(black);
4129 /* Throw away game result if anything actually changes in examine mode */
4130 if (gameMode == IcsExamining && !newGame) {
4131 gameInfo.result = GameUnfinished;
4132 if (gameInfo.resultDetails != NULL) {
4133 free(gameInfo.resultDetails);
4134 gameInfo.resultDetails = NULL;
4138 /* In pausing && IcsExamining mode, we ignore boards coming
4139 in if they are in a different variation than we are. */
4140 if (pauseExamInvalid) return;
4141 if (pausing && gameMode == IcsExamining) {
4142 if (moveNum <= pauseExamForwardMostMove) {
4143 pauseExamInvalid = TRUE;
4144 forwardMostMove = pauseExamForwardMostMove;
4149 if (appData.debugMode) {
4150 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4152 /* Parse the board */
4153 for (k = 0; k < ranks; k++) {
4154 for (j = 0; j < files; j++)
4155 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4156 if(gameInfo.holdingsWidth > 1) {
4157 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4158 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4161 CopyBoard(boards[moveNum], board);
4162 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4164 startedFromSetupPosition =
4165 !CompareBoards(board, initialPosition);
4166 if(startedFromSetupPosition)
4167 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4170 /* [HGM] Set castling rights. Take the outermost Rooks,
4171 to make it also work for FRC opening positions. Note that board12
4172 is really defective for later FRC positions, as it has no way to
4173 indicate which Rook can castle if they are on the same side of King.
4174 For the initial position we grant rights to the outermost Rooks,
4175 and remember thos rights, and we then copy them on positions
4176 later in an FRC game. This means WB might not recognize castlings with
4177 Rooks that have moved back to their original position as illegal,
4178 but in ICS mode that is not its job anyway.
4180 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4181 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4183 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4184 if(board[0][i] == WhiteRook) j = i;
4185 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4186 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4187 if(board[0][i] == WhiteRook) j = i;
4188 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4189 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4190 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4191 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4192 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4193 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4194 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4196 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4197 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4198 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4199 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4200 if(board[BOARD_HEIGHT-1][k] == bKing)
4201 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4202 if(gameInfo.variant == VariantTwoKings) {
4203 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4204 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4205 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4208 r = boards[moveNum][CASTLING][0] = initialRights[0];
4209 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4210 r = boards[moveNum][CASTLING][1] = initialRights[1];
4211 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4212 r = boards[moveNum][CASTLING][3] = initialRights[3];
4213 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4214 r = boards[moveNum][CASTLING][4] = initialRights[4];
4215 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4216 /* wildcastle kludge: always assume King has rights */
4217 r = boards[moveNum][CASTLING][2] = initialRights[2];
4218 r = boards[moveNum][CASTLING][5] = initialRights[5];
4220 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4221 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4224 if (ics_getting_history == H_GOT_REQ_HEADER ||
4225 ics_getting_history == H_GOT_UNREQ_HEADER) {
4226 /* This was an initial position from a move list, not
4227 the current position */
4231 /* Update currentMove and known move number limits */
4232 newMove = newGame || moveNum > forwardMostMove;
4235 forwardMostMove = backwardMostMove = currentMove = moveNum;
4236 if (gameMode == IcsExamining && moveNum == 0) {
4237 /* Workaround for ICS limitation: we are not told the wild
4238 type when starting to examine a game. But if we ask for
4239 the move list, the move list header will tell us */
4240 ics_getting_history = H_REQUESTED;
4241 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4244 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4245 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4247 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4248 /* [HGM] applied this also to an engine that is silently watching */
4249 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4250 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4251 gameInfo.variant == currentlyInitializedVariant) {
4252 takeback = forwardMostMove - moveNum;
4253 for (i = 0; i < takeback; i++) {
4254 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4255 SendToProgram("undo\n", &first);
4260 forwardMostMove = moveNum;
4261 if (!pausing || currentMove > forwardMostMove)
4262 currentMove = forwardMostMove;
4264 /* New part of history that is not contiguous with old part */
4265 if (pausing && gameMode == IcsExamining) {
4266 pauseExamInvalid = TRUE;
4267 forwardMostMove = pauseExamForwardMostMove;
4270 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4272 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4273 // [HGM] when we will receive the move list we now request, it will be
4274 // fed to the engine from the first move on. So if the engine is not
4275 // in the initial position now, bring it there.
4276 InitChessProgram(&first, 0);
4279 ics_getting_history = H_REQUESTED;
4280 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4283 forwardMostMove = backwardMostMove = currentMove = moveNum;
4286 /* Update the clocks */
4287 if (strchr(elapsed_time, '.')) {
4289 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4290 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4292 /* Time is in seconds */
4293 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4294 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4299 if (appData.zippyPlay && newGame &&
4300 gameMode != IcsObserving && gameMode != IcsIdle &&
4301 gameMode != IcsExamining)
4302 ZippyFirstBoard(moveNum, basetime, increment);
4305 /* Put the move on the move list, first converting
4306 to canonical algebraic form. */
4308 if (appData.debugMode) {
4309 if (appData.debugMode) { int f = forwardMostMove;
4310 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4311 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4312 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4314 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4315 fprintf(debugFP, "moveNum = %d\n", moveNum);
4316 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4317 setbuf(debugFP, NULL);
4319 if (moveNum <= backwardMostMove) {
4320 /* We don't know what the board looked like before
4322 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4323 strcat(parseList[moveNum - 1], " ");
4324 strcat(parseList[moveNum - 1], elapsed_time);
4325 moveList[moveNum - 1][0] = NULLCHAR;
4326 } else if (strcmp(move_str, "none") == 0) {
4327 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4328 /* Again, we don't know what the board looked like;
4329 this is really the start of the game. */
4330 parseList[moveNum - 1][0] = NULLCHAR;
4331 moveList[moveNum - 1][0] = NULLCHAR;
4332 backwardMostMove = moveNum;
4333 startedFromSetupPosition = TRUE;
4334 fromX = fromY = toX = toY = -1;
4336 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4337 // So we parse the long-algebraic move string in stead of the SAN move
4338 int valid; char buf[MSG_SIZ], *prom;
4340 // str looks something like "Q/a1-a2"; kill the slash
4342 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4343 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4344 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4345 strcat(buf, prom); // long move lacks promo specification!
4346 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4347 if(appData.debugMode)
4348 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4349 safeStrCpy(move_str, buf, sizeof(move_str)/sizeof(move_str[0]));
4351 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4352 &fromX, &fromY, &toX, &toY, &promoChar)
4353 || ParseOneMove(buf, moveNum - 1, &moveType,
4354 &fromX, &fromY, &toX, &toY, &promoChar);
4355 // end of long SAN patch
4357 (void) CoordsToAlgebraic(boards[moveNum - 1],
4358 PosFlags(moveNum - 1),
4359 fromY, fromX, toY, toX, promoChar,
4360 parseList[moveNum-1]);
4361 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4367 if(gameInfo.variant != VariantShogi)
4368 strcat(parseList[moveNum - 1], "+");
4371 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4372 strcat(parseList[moveNum - 1], "#");
4375 strcat(parseList[moveNum - 1], " ");
4376 strcat(parseList[moveNum - 1], elapsed_time);
4377 /* currentMoveString is set as a side-effect of ParseOneMove */
4378 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4379 strcat(moveList[moveNum - 1], "\n");
4381 /* Move from ICS was illegal!? Punt. */
4382 if (appData.debugMode) {
4383 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4384 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4386 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4387 strcat(parseList[moveNum - 1], " ");
4388 strcat(parseList[moveNum - 1], elapsed_time);
4389 moveList[moveNum - 1][0] = NULLCHAR;
4390 fromX = fromY = toX = toY = -1;
4393 if (appData.debugMode) {
4394 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4395 setbuf(debugFP, NULL);
4399 /* Send move to chess program (BEFORE animating it). */
4400 if (appData.zippyPlay && !newGame && newMove &&
4401 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4403 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4404 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4405 if (moveList[moveNum - 1][0] == NULLCHAR) {
4406 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4408 DisplayError(str, 0);
4410 if (first.sendTime) {
4411 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4413 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4414 if (firstMove && !bookHit) {
4416 if (first.useColors) {
4417 SendToProgram(gameMode == IcsPlayingWhite ?
4419 "black\ngo\n", &first);
4421 SendToProgram("go\n", &first);
4423 first.maybeThinking = TRUE;
4426 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4427 if (moveList[moveNum - 1][0] == NULLCHAR) {
4428 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4429 DisplayError(str, 0);
4431 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4432 SendMoveToProgram(moveNum - 1, &first);
4439 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4440 /* If move comes from a remote source, animate it. If it
4441 isn't remote, it will have already been animated. */
4442 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4443 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4445 if (!pausing && appData.highlightLastMove) {
4446 SetHighlights(fromX, fromY, toX, toY);
4450 /* Start the clocks */
4451 whiteFlag = blackFlag = FALSE;
4452 appData.clockMode = !(basetime == 0 && increment == 0);
4454 ics_clock_paused = TRUE;
4456 } else if (ticking == 1) {
4457 ics_clock_paused = FALSE;
4459 if (gameMode == IcsIdle ||
4460 relation == RELATION_OBSERVING_STATIC ||
4461 relation == RELATION_EXAMINING ||
4463 DisplayBothClocks();
4467 /* Display opponents and material strengths */
4468 if (gameInfo.variant != VariantBughouse &&
4469 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4470 if (tinyLayout || smallLayout) {
4471 if(gameInfo.variant == VariantNormal)
4472 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4473 gameInfo.white, white_stren, gameInfo.black, black_stren,
4474 basetime, increment);
4476 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4477 gameInfo.white, white_stren, gameInfo.black, black_stren,
4478 basetime, increment, (int) gameInfo.variant);
4480 if(gameInfo.variant == VariantNormal)
4481 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d}",
4482 gameInfo.white, white_stren, gameInfo.black, black_stren,
4483 basetime, increment);
4485 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d %s}",
4486 gameInfo.white, white_stren, gameInfo.black, black_stren,
4487 basetime, increment, VariantName(gameInfo.variant));
4490 if (appData.debugMode) {
4491 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4496 /* Display the board */
4497 if (!pausing && !appData.noGUI) {
4499 if (appData.premove)
4501 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4502 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4503 ClearPremoveHighlights();
4505 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4506 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4507 DrawPosition(j, boards[currentMove]);
4509 DisplayMove(moveNum - 1);
4510 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4511 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4512 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4513 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4517 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4519 if(bookHit) { // [HGM] book: simulate book reply
4520 static char bookMove[MSG_SIZ]; // a bit generous?
4522 programStats.nodes = programStats.depth = programStats.time =
4523 programStats.score = programStats.got_only_move = 0;
4524 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4526 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4527 strcat(bookMove, bookHit);
4528 HandleMachineMove(bookMove, &first);
4537 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4538 ics_getting_history = H_REQUESTED;
4539 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4545 AnalysisPeriodicEvent(force)
4548 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4549 && !force) || !appData.periodicUpdates)
4552 /* Send . command to Crafty to collect stats */
4553 SendToProgram(".\n", &first);
4555 /* Don't send another until we get a response (this makes
4556 us stop sending to old Crafty's which don't understand
4557 the "." command (sending illegal cmds resets node count & time,
4558 which looks bad)) */
4559 programStats.ok_to_send = 0;
4562 void ics_update_width(new_width)
4565 ics_printf("set width %d\n", new_width);
4569 SendMoveToProgram(moveNum, cps)
4571 ChessProgramState *cps;
4575 if (cps->useUsermove) {
4576 SendToProgram("usermove ", cps);
4580 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4581 int len = space - parseList[moveNum];
4582 memcpy(buf, parseList[moveNum], len);
4584 buf[len] = NULLCHAR;
4586 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4588 SendToProgram(buf, cps);
4590 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4591 AlphaRank(moveList[moveNum], 4);
4592 SendToProgram(moveList[moveNum], cps);
4593 AlphaRank(moveList[moveNum], 4); // and back
4595 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4596 * the engine. It would be nice to have a better way to identify castle
4598 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4599 && cps->useOOCastle) {
4600 int fromX = moveList[moveNum][0] - AAA;
4601 int fromY = moveList[moveNum][1] - ONE;
4602 int toX = moveList[moveNum][2] - AAA;
4603 int toY = moveList[moveNum][3] - ONE;
4604 if((boards[moveNum][fromY][fromX] == WhiteKing
4605 && boards[moveNum][toY][toX] == WhiteRook)
4606 || (boards[moveNum][fromY][fromX] == BlackKing
4607 && boards[moveNum][toY][toX] == BlackRook)) {
4608 if(toX > fromX) SendToProgram("O-O\n", cps);
4609 else SendToProgram("O-O-O\n", cps);
4611 else SendToProgram(moveList[moveNum], cps);
4613 else SendToProgram(moveList[moveNum], cps);
4614 /* End of additions by Tord */
4617 /* [HGM] setting up the opening has brought engine in force mode! */
4618 /* Send 'go' if we are in a mode where machine should play. */
4619 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4620 (gameMode == TwoMachinesPlay ||
4622 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4624 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4625 SendToProgram("go\n", cps);
4626 if (appData.debugMode) {
4627 fprintf(debugFP, "(extra)\n");
4630 setboardSpoiledMachineBlack = 0;
4634 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar)
4636 int fromX, fromY, toX, toY;
4639 char user_move[MSG_SIZ];
4643 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4644 (int)moveType, fromX, fromY, toX, toY);
4645 DisplayError(user_move + strlen("say "), 0);
4647 case WhiteKingSideCastle:
4648 case BlackKingSideCastle:
4649 case WhiteQueenSideCastleWild:
4650 case BlackQueenSideCastleWild:
4652 case WhiteHSideCastleFR:
4653 case BlackHSideCastleFR:
4655 snprintf(user_move, MSG_SIZ, "o-o\n");
4657 case WhiteQueenSideCastle:
4658 case BlackQueenSideCastle:
4659 case WhiteKingSideCastleWild:
4660 case BlackKingSideCastleWild:
4662 case WhiteASideCastleFR:
4663 case BlackASideCastleFR:
4665 snprintf(user_move, MSG_SIZ, "o-o-o\n");
4667 case WhiteNonPromotion:
4668 case BlackNonPromotion:
4669 sprintf(user_move, "%c%c%c%c=\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4671 case WhitePromotion:
4672 case BlackPromotion:
4673 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4674 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4675 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4676 PieceToChar(WhiteFerz));
4677 else if(gameInfo.variant == VariantGreat)
4678 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
4679 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4680 PieceToChar(WhiteMan));
4682 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4683 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4688 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
4689 ToUpper(PieceToChar((ChessSquare) fromX)),
4690 AAA + toX, ONE + toY);
4693 case WhiteCapturesEnPassant:
4694 case BlackCapturesEnPassant:
4695 case IllegalMove: /* could be a variant we don't quite understand */
4696 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
4697 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4700 SendToICS(user_move);
4701 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
4702 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
4707 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
4708 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
4709 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
4710 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
4711 DisplayError("You cannot do this while you are playing or observing", 0);
4714 if(gameMode != IcsExamining) { // is this ever not the case?
4715 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
4717 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
4718 snprintf(command,MSG_SIZ, "match %s", ics_handle);
4719 } else { // on FICS we must first go to general examine mode
4720 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
4722 if(gameInfo.variant != VariantNormal) {
4723 // try figure out wild number, as xboard names are not always valid on ICS
4724 for(i=1; i<=36; i++) {
4725 snprintf(buf, MSG_SIZ, "wild/%d", i);
4726 if(StringToVariant(buf) == gameInfo.variant) break;
4728 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
4729 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
4730 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
4731 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
4732 SendToICS(ics_prefix);
4734 if(startedFromSetupPosition || backwardMostMove != 0) {
4735 fen = PositionToFEN(backwardMostMove, NULL);
4736 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
4737 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
4739 } else { // FICS: everything has to set by separate bsetup commands
4740 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
4741 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
4743 if(!WhiteOnMove(backwardMostMove)) {
4744 SendToICS("bsetup tomove black\n");
4746 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
4747 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
4749 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
4750 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
4752 i = boards[backwardMostMove][EP_STATUS];
4753 if(i >= 0) { // set e.p.
4754 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
4760 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
4761 SendToICS("bsetup done\n"); // switch to normal examining.
4763 for(i = backwardMostMove; i<last; i++) {
4765 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
4768 SendToICS(ics_prefix);
4769 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
4773 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
4778 if (rf == DROP_RANK) {
4779 sprintf(move, "%c@%c%c\n",
4780 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
4782 if (promoChar == 'x' || promoChar == NULLCHAR) {
4783 sprintf(move, "%c%c%c%c\n",
4784 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
4786 sprintf(move, "%c%c%c%c%c\n",
4787 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
4793 ProcessICSInitScript(f)
4798 while (fgets(buf, MSG_SIZ, f)) {
4799 SendToICSDelayed(buf,(long)appData.msLoginDelay);
4806 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
4808 AlphaRank(char *move, int n)
4810 // char *p = move, c; int x, y;
4812 if (appData.debugMode) {
4813 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
4817 move[2]>='0' && move[2]<='9' &&
4818 move[3]>='a' && move[3]<='x' ) {
4820 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4821 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4823 if(move[0]>='0' && move[0]<='9' &&
4824 move[1]>='a' && move[1]<='x' &&
4825 move[2]>='0' && move[2]<='9' &&
4826 move[3]>='a' && move[3]<='x' ) {
4827 /* input move, Shogi -> normal */
4828 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
4829 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
4830 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4831 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4834 move[3]>='0' && move[3]<='9' &&
4835 move[2]>='a' && move[2]<='x' ) {
4837 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4838 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4841 move[0]>='a' && move[0]<='x' &&
4842 move[3]>='0' && move[3]<='9' &&
4843 move[2]>='a' && move[2]<='x' ) {
4844 /* output move, normal -> Shogi */
4845 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
4846 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
4847 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4848 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4849 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
4851 if (appData.debugMode) {
4852 fprintf(debugFP, " out = '%s'\n", move);
4856 char yy_textstr[8000];
4858 /* Parser for moves from gnuchess, ICS, or user typein box */
4860 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
4863 ChessMove *moveType;
4864 int *fromX, *fromY, *toX, *toY;
4867 if (appData.debugMode) {
4868 fprintf(debugFP, "move to parse: %s\n", move);
4870 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
4872 switch (*moveType) {
4873 case WhitePromotion:
4874 case BlackPromotion:
4875 case WhiteNonPromotion:
4876 case BlackNonPromotion:
4878 case WhiteCapturesEnPassant:
4879 case BlackCapturesEnPassant:
4880 case WhiteKingSideCastle:
4881 case WhiteQueenSideCastle:
4882 case BlackKingSideCastle:
4883 case BlackQueenSideCastle:
4884 case WhiteKingSideCastleWild:
4885 case WhiteQueenSideCastleWild:
4886 case BlackKingSideCastleWild:
4887 case BlackQueenSideCastleWild:
4888 /* Code added by Tord: */
4889 case WhiteHSideCastleFR:
4890 case WhiteASideCastleFR:
4891 case BlackHSideCastleFR:
4892 case BlackASideCastleFR:
4893 /* End of code added by Tord */
4894 case IllegalMove: /* bug or odd chess variant */
4895 *fromX = currentMoveString[0] - AAA;
4896 *fromY = currentMoveString[1] - ONE;
4897 *toX = currentMoveString[2] - AAA;
4898 *toY = currentMoveString[3] - ONE;
4899 *promoChar = currentMoveString[4];
4900 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
4901 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
4902 if (appData.debugMode) {
4903 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
4905 *fromX = *fromY = *toX = *toY = 0;
4908 if (appData.testLegality) {
4909 return (*moveType != IllegalMove);
4911 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
4912 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
4917 *fromX = *moveType == WhiteDrop ?
4918 (int) CharToPiece(ToUpper(currentMoveString[0])) :
4919 (int) CharToPiece(ToLower(currentMoveString[0]));
4921 *toX = currentMoveString[2] - AAA;
4922 *toY = currentMoveString[3] - ONE;
4923 *promoChar = NULLCHAR;
4927 case ImpossibleMove:
4937 if (appData.debugMode) {
4938 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
4941 *fromX = *fromY = *toX = *toY = 0;
4942 *promoChar = NULLCHAR;
4949 ParsePV(char *pv, Boolean storeComments)
4950 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
4951 int fromX, fromY, toX, toY; char promoChar;
4956 endPV = forwardMostMove;
4958 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
4959 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
4960 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
4961 if(appData.debugMode){
4962 fprintf(debugFP,"parsePV: %d %c%c%c%c yy='%s'\nPV = '%s'\n", valid, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, yy_textstr, pv);
4964 if(!valid && nr == 0 &&
4965 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
4966 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
4967 // Hande case where played move is different from leading PV move
4968 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
4969 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
4970 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
4971 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
4972 endPV += 2; // if position different, keep this
4973 moveList[endPV-1][0] = fromX + AAA;
4974 moveList[endPV-1][1] = fromY + ONE;
4975 moveList[endPV-1][2] = toX + AAA;
4976 moveList[endPV-1][3] = toY + ONE;
4977 parseList[endPV-1][0] = NULLCHAR;
4978 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
4981 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
4982 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
4983 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
4984 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
4985 valid++; // allow comments in PV
4989 if(endPV+1 > framePtr) break; // no space, truncate
4992 CopyBoard(boards[endPV], boards[endPV-1]);
4993 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
4994 moveList[endPV-1][0] = fromX + AAA;
4995 moveList[endPV-1][1] = fromY + ONE;
4996 moveList[endPV-1][2] = toX + AAA;
4997 moveList[endPV-1][3] = toY + ONE;
4999 CoordsToAlgebraic(boards[endPV - 1],
5000 PosFlags(endPV - 1),
5001 fromY, fromX, toY, toX, promoChar,
5002 parseList[endPV - 1]);
5004 parseList[endPV-1][0] = NULLCHAR;
5006 currentMove = endPV;
5007 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5008 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5009 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5010 DrawPosition(TRUE, boards[currentMove]);
5013 static int lastX, lastY;
5016 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
5021 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5022 lastX = x; lastY = y;
5023 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5025 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5026 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5028 do{ while(buf[index] && buf[index] != '\n') index++;
5029 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5031 ParsePV(buf+startPV, FALSE);
5032 *start = startPV; *end = index-1;
5037 LoadPV(int x, int y)
5038 { // called on right mouse click to load PV
5039 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5040 lastX = x; lastY = y;
5041 ParsePV(lastPV[which], FALSE); // load the PV of the thinking engine in the boards array.
5048 if(endPV < 0) return;
5050 currentMove = forwardMostMove;
5051 ClearPremoveHighlights();
5052 DrawPosition(TRUE, boards[currentMove]);
5056 MovePV(int x, int y, int h)
5057 { // step through PV based on mouse coordinates (called on mouse move)
5058 int margin = h>>3, step = 0;
5060 if(endPV < 0) return;
5061 // we must somehow check if right button is still down (might be released off board!)
5062 if(y < margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = 1; else
5063 if(y > h - margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = -1; else
5064 if( y > lastY + 6 ) step = -1; else if(y < lastY - 6) step = 1;
5066 lastX = x; lastY = y;
5067 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5068 currentMove += step;
5069 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5070 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5071 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5072 DrawPosition(FALSE, boards[currentMove]);
5076 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5077 // All positions will have equal probability, but the current method will not provide a unique
5078 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5084 int piecesLeft[(int)BlackPawn];
5085 int seed, nrOfShuffles;
5087 void GetPositionNumber()
5088 { // sets global variable seed
5091 seed = appData.defaultFrcPosition;
5092 if(seed < 0) { // randomize based on time for negative FRC position numbers
5093 for(i=0; i<50; i++) seed += random();
5094 seed = random() ^ random() >> 8 ^ random() << 8;
5095 if(seed<0) seed = -seed;
5099 int put(Board board, int pieceType, int rank, int n, int shade)
5100 // put the piece on the (n-1)-th empty squares of the given shade
5104 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5105 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5106 board[rank][i] = (ChessSquare) pieceType;
5107 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5109 piecesLeft[pieceType]--;
5117 void AddOnePiece(Board board, int pieceType, int rank, int shade)
5118 // calculate where the next piece goes, (any empty square), and put it there
5122 i = seed % squaresLeft[shade];
5123 nrOfShuffles *= squaresLeft[shade];
5124 seed /= squaresLeft[shade];
5125 put(board, pieceType, rank, i, shade);
5128 void AddTwoPieces(Board board, int pieceType, int rank)
5129 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5131 int i, n=squaresLeft[ANY], j=n-1, k;
5133 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5134 i = seed % k; // pick one
5137 while(i >= j) i -= j--;
5138 j = n - 1 - j; i += j;
5139 put(board, pieceType, rank, j, ANY);
5140 put(board, pieceType, rank, i, ANY);
5143 void SetUpShuffle(Board board, int number)
5147 GetPositionNumber(); nrOfShuffles = 1;
5149 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5150 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5151 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5153 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5155 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5156 p = (int) board[0][i];
5157 if(p < (int) BlackPawn) piecesLeft[p] ++;
5158 board[0][i] = EmptySquare;
5161 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5162 // shuffles restricted to allow normal castling put KRR first
5163 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5164 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5165 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5166 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5167 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5168 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5169 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5170 put(board, WhiteRook, 0, 0, ANY);
5171 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5174 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5175 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5176 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5177 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5178 while(piecesLeft[p] >= 2) {
5179 AddOnePiece(board, p, 0, LITE);
5180 AddOnePiece(board, p, 0, DARK);
5182 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5185 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5186 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5187 // but we leave King and Rooks for last, to possibly obey FRC restriction
5188 if(p == (int)WhiteRook) continue;
5189 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5190 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5193 // now everything is placed, except perhaps King (Unicorn) and Rooks
5195 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5196 // Last King gets castling rights
5197 while(piecesLeft[(int)WhiteUnicorn]) {
5198 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5199 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5202 while(piecesLeft[(int)WhiteKing]) {
5203 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5204 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5209 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5210 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5213 // Only Rooks can be left; simply place them all
5214 while(piecesLeft[(int)WhiteRook]) {
5215 i = put(board, WhiteRook, 0, 0, ANY);
5216 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5219 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5221 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5224 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5225 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5228 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5231 int SetCharTable( char *table, const char * map )
5232 /* [HGM] moved here from winboard.c because of its general usefulness */
5233 /* Basically a safe strcpy that uses the last character as King */
5235 int result = FALSE; int NrPieces;
5237 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5238 && NrPieces >= 12 && !(NrPieces&1)) {
5239 int i; /* [HGM] Accept even length from 12 to 34 */
5241 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5242 for( i=0; i<NrPieces/2-1; i++ ) {
5244 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5246 table[(int) WhiteKing] = map[NrPieces/2-1];
5247 table[(int) BlackKing] = map[NrPieces-1];
5255 void Prelude(Board board)
5256 { // [HGM] superchess: random selection of exo-pieces
5257 int i, j, k; ChessSquare p;
5258 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5260 GetPositionNumber(); // use FRC position number
5262 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5263 SetCharTable(pieceToChar, appData.pieceToCharTable);
5264 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5265 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5268 j = seed%4; seed /= 4;
5269 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5270 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5271 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5272 j = seed%3 + (seed%3 >= j); seed /= 3;
5273 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5274 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5275 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5276 j = seed%3; seed /= 3;
5277 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5278 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5279 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5280 j = seed%2 + (seed%2 >= j); seed /= 2;
5281 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5282 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5283 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5284 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5285 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5286 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5287 put(board, exoPieces[0], 0, 0, ANY);
5288 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5292 InitPosition(redraw)
5295 ChessSquare (* pieces)[BOARD_FILES];
5296 int i, j, pawnRow, overrule,
5297 oldx = gameInfo.boardWidth,
5298 oldy = gameInfo.boardHeight,
5299 oldh = gameInfo.holdingsWidth,
5300 oldv = gameInfo.variant;
5302 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5304 /* [AS] Initialize pv info list [HGM] and game status */
5306 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5307 pvInfoList[i].depth = 0;
5308 boards[i][EP_STATUS] = EP_NONE;
5309 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5312 initialRulePlies = 0; /* 50-move counter start */
5314 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5315 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5319 /* [HGM] logic here is completely changed. In stead of full positions */
5320 /* the initialized data only consist of the two backranks. The switch */
5321 /* selects which one we will use, which is than copied to the Board */
5322 /* initialPosition, which for the rest is initialized by Pawns and */
5323 /* empty squares. This initial position is then copied to boards[0], */
5324 /* possibly after shuffling, so that it remains available. */
5326 gameInfo.holdingsWidth = 0; /* default board sizes */
5327 gameInfo.boardWidth = 8;
5328 gameInfo.boardHeight = 8;
5329 gameInfo.holdingsSize = 0;
5330 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5331 for(i=0; i<BOARD_FILES-2; i++)
5332 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5333 initialPosition[EP_STATUS] = EP_NONE;
5334 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5335 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5336 SetCharTable(pieceNickName, appData.pieceNickNames);
5337 else SetCharTable(pieceNickName, "............");
5339 switch (gameInfo.variant) {
5340 case VariantFischeRandom:
5341 shuffleOpenings = TRUE;
5345 case VariantShatranj:
5346 pieces = ShatranjArray;
5347 nrCastlingRights = 0;
5348 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5351 pieces = makrukArray;
5352 nrCastlingRights = 0;
5353 startedFromSetupPosition = TRUE;
5354 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5356 case VariantTwoKings:
5357 pieces = twoKingsArray;
5359 case VariantCapaRandom:
5360 shuffleOpenings = TRUE;
5361 case VariantCapablanca:
5362 pieces = CapablancaArray;
5363 gameInfo.boardWidth = 10;
5364 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5367 pieces = GothicArray;
5368 gameInfo.boardWidth = 10;
5369 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5372 pieces = JanusArray;
5373 gameInfo.boardWidth = 10;
5374 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5375 nrCastlingRights = 6;
5376 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5377 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5378 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5379 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5380 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5381 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5384 pieces = FalconArray;
5385 gameInfo.boardWidth = 10;
5386 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5388 case VariantXiangqi:
5389 pieces = XiangqiArray;
5390 gameInfo.boardWidth = 9;
5391 gameInfo.boardHeight = 10;
5392 nrCastlingRights = 0;
5393 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5396 pieces = ShogiArray;
5397 gameInfo.boardWidth = 9;
5398 gameInfo.boardHeight = 9;
5399 gameInfo.holdingsSize = 7;
5400 nrCastlingRights = 0;
5401 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5403 case VariantCourier:
5404 pieces = CourierArray;
5405 gameInfo.boardWidth = 12;
5406 nrCastlingRights = 0;
5407 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5409 case VariantKnightmate:
5410 pieces = KnightmateArray;
5411 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5414 pieces = fairyArray;
5415 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5418 pieces = GreatArray;
5419 gameInfo.boardWidth = 10;
5420 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5421 gameInfo.holdingsSize = 8;
5425 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5426 gameInfo.holdingsSize = 8;
5427 startedFromSetupPosition = TRUE;
5429 case VariantCrazyhouse:
5430 case VariantBughouse:
5432 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5433 gameInfo.holdingsSize = 5;
5435 case VariantWildCastle:
5437 /* !!?shuffle with kings guaranteed to be on d or e file */
5438 shuffleOpenings = 1;
5440 case VariantNoCastle:
5442 nrCastlingRights = 0;
5443 /* !!?unconstrained back-rank shuffle */
5444 shuffleOpenings = 1;
5449 if(appData.NrFiles >= 0) {
5450 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5451 gameInfo.boardWidth = appData.NrFiles;
5453 if(appData.NrRanks >= 0) {
5454 gameInfo.boardHeight = appData.NrRanks;
5456 if(appData.holdingsSize >= 0) {
5457 i = appData.holdingsSize;
5458 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5459 gameInfo.holdingsSize = i;
5461 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5462 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5463 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5465 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5466 if(pawnRow < 1) pawnRow = 1;
5467 if(gameInfo.variant == VariantMakruk) pawnRow = 2;
5469 /* User pieceToChar list overrules defaults */
5470 if(appData.pieceToCharTable != NULL)
5471 SetCharTable(pieceToChar, appData.pieceToCharTable);
5473 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5475 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5476 s = (ChessSquare) 0; /* account holding counts in guard band */
5477 for( i=0; i<BOARD_HEIGHT; i++ )
5478 initialPosition[i][j] = s;
5480 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5481 initialPosition[0][j] = pieces[0][j-gameInfo.holdingsWidth];
5482 initialPosition[pawnRow][j] = WhitePawn;
5483 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = BlackPawn;
5484 if(gameInfo.variant == VariantXiangqi) {
5486 initialPosition[pawnRow][j] =
5487 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5488 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5489 initialPosition[2][j] = WhiteCannon;
5490 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5494 initialPosition[BOARD_HEIGHT-1][j] = pieces[1][j-gameInfo.holdingsWidth];
5496 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5499 initialPosition[1][j] = WhiteBishop;
5500 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5502 initialPosition[1][j] = WhiteRook;
5503 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5506 if( nrCastlingRights == -1) {
5507 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5508 /* This sets default castling rights from none to normal corners */
5509 /* Variants with other castling rights must set them themselves above */
5510 nrCastlingRights = 6;
5512 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5513 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5514 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5515 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5516 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5517 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5520 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5521 if(gameInfo.variant == VariantGreat) { // promotion commoners
5522 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5523 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5524 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5525 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5527 if (appData.debugMode) {
5528 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5530 if(shuffleOpenings) {
5531 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5532 startedFromSetupPosition = TRUE;
5534 if(startedFromPositionFile) {
5535 /* [HGM] loadPos: use PositionFile for every new game */
5536 CopyBoard(initialPosition, filePosition);
5537 for(i=0; i<nrCastlingRights; i++)
5538 initialRights[i] = filePosition[CASTLING][i];
5539 startedFromSetupPosition = TRUE;
5542 CopyBoard(boards[0], initialPosition);
5544 if(oldx != gameInfo.boardWidth ||
5545 oldy != gameInfo.boardHeight ||
5546 oldh != gameInfo.holdingsWidth
5548 || oldv == VariantGothic || // For licensing popups
5549 gameInfo.variant == VariantGothic
5552 || oldv == VariantFalcon ||
5553 gameInfo.variant == VariantFalcon
5556 InitDrawingSizes(-2 ,0);
5559 DrawPosition(TRUE, boards[currentMove]);
5563 SendBoard(cps, moveNum)
5564 ChessProgramState *cps;
5567 char message[MSG_SIZ];
5569 if (cps->useSetboard) {
5570 char* fen = PositionToFEN(moveNum, cps->fenOverride);
5571 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
5572 SendToProgram(message, cps);
5578 /* Kludge to set black to move, avoiding the troublesome and now
5579 * deprecated "black" command.
5581 if (!WhiteOnMove(moveNum)) SendToProgram("a2a3\n", cps);
5583 SendToProgram("edit\n", cps);
5584 SendToProgram("#\n", cps);
5585 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5586 bp = &boards[moveNum][i][BOARD_LEFT];
5587 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5588 if ((int) *bp < (int) BlackPawn) {
5589 snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp),
5591 if(message[0] == '+' || message[0] == '~') {
5592 snprintf(message, MSG_SIZ,"%c%c%c+\n",
5593 PieceToChar((ChessSquare)(DEMOTED *bp)),
5596 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5597 message[1] = BOARD_RGHT - 1 - j + '1';
5598 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5600 SendToProgram(message, cps);
5605 SendToProgram("c\n", cps);
5606 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5607 bp = &boards[moveNum][i][BOARD_LEFT];
5608 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5609 if (((int) *bp != (int) EmptySquare)
5610 && ((int) *bp >= (int) BlackPawn)) {
5611 snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
5613 if(message[0] == '+' || message[0] == '~') {
5614 snprintf(message, MSG_SIZ,"%c%c%c+\n",
5615 PieceToChar((ChessSquare)(DEMOTED *bp)),
5618 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5619 message[1] = BOARD_RGHT - 1 - j + '1';
5620 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5622 SendToProgram(message, cps);
5627 SendToProgram(".\n", cps);
5629 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
5632 static int autoQueen; // [HGM] oneclick
5635 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice)
5637 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
5638 /* [HGM] add Shogi promotions */
5639 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
5644 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
5645 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
5647 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
5648 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
5651 piece = boards[currentMove][fromY][fromX];
5652 if(gameInfo.variant == VariantShogi) {
5653 promotionZoneSize = BOARD_HEIGHT/3;
5654 highestPromotingPiece = (int)WhiteFerz;
5655 } else if(gameInfo.variant == VariantMakruk) {
5656 promotionZoneSize = 3;
5659 // next weed out all moves that do not touch the promotion zone at all
5660 if((int)piece >= BlackPawn) {
5661 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
5663 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
5665 if( toY < BOARD_HEIGHT - promotionZoneSize &&
5666 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
5669 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
5671 // weed out mandatory Shogi promotions
5672 if(gameInfo.variant == VariantShogi) {
5673 if(piece >= BlackPawn) {
5674 if(toY == 0 && piece == BlackPawn ||
5675 toY == 0 && piece == BlackQueen ||
5676 toY <= 1 && piece == BlackKnight) {
5681 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
5682 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
5683 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
5690 // weed out obviously illegal Pawn moves
5691 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
5692 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
5693 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
5694 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
5695 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
5696 // note we are not allowed to test for valid (non-)capture, due to premove
5699 // we either have a choice what to promote to, or (in Shogi) whether to promote
5700 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
5701 *promoChoice = PieceToChar(BlackFerz); // no choice
5704 if(autoQueen) { // predetermined
5705 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantLosers)
5706 *promoChoice = PieceToChar(BlackKing); // in Suicide Q is the last thing we want
5707 else *promoChoice = PieceToChar(BlackQueen);
5711 // suppress promotion popup on illegal moves that are not premoves
5712 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
5713 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
5714 if(appData.testLegality && !premove) {
5715 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5716 fromY, fromX, toY, toX, NULLCHAR);
5717 if(moveType != WhitePromotion && moveType != BlackPromotion)
5725 InPalace(row, column)
5727 { /* [HGM] for Xiangqi */
5728 if( (row < 3 || row > BOARD_HEIGHT-4) &&
5729 column < (BOARD_WIDTH + 4)/2 &&
5730 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
5735 PieceForSquare (x, y)
5739 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
5742 return boards[currentMove][y][x];
5746 OKToStartUserMove(x, y)
5749 ChessSquare from_piece;
5752 if (matchMode) return FALSE;
5753 if (gameMode == EditPosition) return TRUE;
5755 if (x >= 0 && y >= 0)
5756 from_piece = boards[currentMove][y][x];
5758 from_piece = EmptySquare;
5760 if (from_piece == EmptySquare) return FALSE;
5762 white_piece = (int)from_piece >= (int)WhitePawn &&
5763 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
5766 case PlayFromGameFile:
5768 case TwoMachinesPlay:
5776 case MachinePlaysWhite:
5777 case IcsPlayingBlack:
5778 if (appData.zippyPlay) return FALSE;
5780 DisplayMoveError(_("You are playing Black"));
5785 case MachinePlaysBlack:
5786 case IcsPlayingWhite:
5787 if (appData.zippyPlay) return FALSE;
5789 DisplayMoveError(_("You are playing White"));
5795 if (!white_piece && WhiteOnMove(currentMove)) {
5796 DisplayMoveError(_("It is White's turn"));
5799 if (white_piece && !WhiteOnMove(currentMove)) {
5800 DisplayMoveError(_("It is Black's turn"));
5803 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
5804 /* Editing correspondence game history */
5805 /* Could disallow this or prompt for confirmation */
5810 case BeginningOfGame:
5811 if (appData.icsActive) return FALSE;
5812 if (!appData.noChessProgram) {
5814 DisplayMoveError(_("You are playing White"));
5821 if (!white_piece && WhiteOnMove(currentMove)) {
5822 DisplayMoveError(_("It is White's turn"));
5825 if (white_piece && !WhiteOnMove(currentMove)) {
5826 DisplayMoveError(_("It is Black's turn"));
5835 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
5836 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
5837 && gameMode != AnalyzeFile && gameMode != Training) {
5838 DisplayMoveError(_("Displayed position is not current"));
5845 OnlyMove(int *x, int *y, Boolean captures) {
5846 DisambiguateClosure cl;
5847 if (appData.zippyPlay) return FALSE;
5849 case MachinePlaysBlack:
5850 case IcsPlayingWhite:
5851 case BeginningOfGame:
5852 if(!WhiteOnMove(currentMove)) return FALSE;
5854 case MachinePlaysWhite:
5855 case IcsPlayingBlack:
5856 if(WhiteOnMove(currentMove)) return FALSE;
5861 cl.pieceIn = EmptySquare;
5866 cl.promoCharIn = NULLCHAR;
5867 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5868 if( cl.kind == NormalMove ||
5869 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5870 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
5871 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5878 if(cl.kind != ImpossibleMove) return FALSE;
5879 cl.pieceIn = EmptySquare;
5884 cl.promoCharIn = NULLCHAR;
5885 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5886 if( cl.kind == NormalMove ||
5887 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5888 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
5889 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5894 autoQueen = TRUE; // act as if autoQueen on when we click to-square
5900 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
5901 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
5902 int lastLoadGameUseList = FALSE;
5903 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
5904 ChessMove lastLoadGameStart = EndOfFile;
5907 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
5908 int fromX, fromY, toX, toY;
5912 ChessSquare pdown, pup;
5914 /* Check if the user is playing in turn. This is complicated because we
5915 let the user "pick up" a piece before it is his turn. So the piece he
5916 tried to pick up may have been captured by the time he puts it down!
5917 Therefore we use the color the user is supposed to be playing in this
5918 test, not the color of the piece that is currently on the starting
5919 square---except in EditGame mode, where the user is playing both
5920 sides; fortunately there the capture race can't happen. (It can
5921 now happen in IcsExamining mode, but that's just too bad. The user
5922 will get a somewhat confusing message in that case.)
5926 case PlayFromGameFile:
5928 case TwoMachinesPlay:
5932 /* We switched into a game mode where moves are not accepted,
5933 perhaps while the mouse button was down. */
5936 case MachinePlaysWhite:
5937 /* User is moving for Black */
5938 if (WhiteOnMove(currentMove)) {
5939 DisplayMoveError(_("It is White's turn"));
5944 case MachinePlaysBlack:
5945 /* User is moving for White */
5946 if (!WhiteOnMove(currentMove)) {
5947 DisplayMoveError(_("It is Black's turn"));
5954 case BeginningOfGame:
5957 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
5958 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
5959 /* User is moving for Black */
5960 if (WhiteOnMove(currentMove)) {
5961 DisplayMoveError(_("It is White's turn"));
5965 /* User is moving for White */
5966 if (!WhiteOnMove(currentMove)) {
5967 DisplayMoveError(_("It is Black's turn"));
5973 case IcsPlayingBlack:
5974 /* User is moving for Black */
5975 if (WhiteOnMove(currentMove)) {
5976 if (!appData.premove) {
5977 DisplayMoveError(_("It is White's turn"));
5978 } else if (toX >= 0 && toY >= 0) {
5981 premoveFromX = fromX;
5982 premoveFromY = fromY;
5983 premovePromoChar = promoChar;
5985 if (appData.debugMode)
5986 fprintf(debugFP, "Got premove: fromX %d,"
5987 "fromY %d, toX %d, toY %d\n",
5988 fromX, fromY, toX, toY);
5994 case IcsPlayingWhite:
5995 /* User is moving for White */
5996 if (!WhiteOnMove(currentMove)) {
5997 if (!appData.premove) {
5998 DisplayMoveError(_("It is Black's turn"));
5999 } else if (toX >= 0 && toY >= 0) {
6002 premoveFromX = fromX;
6003 premoveFromY = fromY;
6004 premovePromoChar = promoChar;
6006 if (appData.debugMode)
6007 fprintf(debugFP, "Got premove: fromX %d,"
6008 "fromY %d, toX %d, toY %d\n",
6009 fromX, fromY, toX, toY);
6019 /* EditPosition, empty square, or different color piece;
6020 click-click move is possible */
6021 if (toX == -2 || toY == -2) {
6022 boards[0][fromY][fromX] = EmptySquare;
6023 DrawPosition(FALSE, boards[currentMove]);
6025 } else if (toX >= 0 && toY >= 0) {
6026 boards[0][toY][toX] = boards[0][fromY][fromX];
6027 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6028 if(boards[0][fromY][0] != EmptySquare) {
6029 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6030 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6033 if(fromX == BOARD_RGHT+1) {
6034 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6035 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6036 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6039 boards[0][fromY][fromX] = EmptySquare;
6040 DrawPosition(FALSE, boards[currentMove]);
6046 if(toX < 0 || toY < 0) return;
6047 pdown = boards[currentMove][fromY][fromX];
6048 pup = boards[currentMove][toY][toX];
6050 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6051 if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) {
6052 if( pup != EmptySquare ) return;
6053 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6054 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6055 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6056 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6057 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6058 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6059 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6063 /* [HGM] always test for legality, to get promotion info */
6064 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6065 fromY, fromX, toY, toX, promoChar);
6066 /* [HGM] but possibly ignore an IllegalMove result */
6067 if (appData.testLegality) {
6068 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6069 DisplayMoveError(_("Illegal move"));
6074 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6077 /* Common tail of UserMoveEvent and DropMenuEvent */
6079 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
6081 int fromX, fromY, toX, toY;
6082 /*char*/int promoChar;
6086 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR) {
6087 // [HGM] superchess: suppress promotions to non-available piece
6088 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6089 if(WhiteOnMove(currentMove)) {
6090 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6092 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6096 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6097 move type in caller when we know the move is a legal promotion */
6098 if(moveType == NormalMove && promoChar)
6099 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6101 /* [HGM] <popupFix> The following if has been moved here from
6102 UserMoveEvent(). Because it seemed to belong here (why not allow
6103 piece drops in training games?), and because it can only be
6104 performed after it is known to what we promote. */
6105 if (gameMode == Training) {
6106 /* compare the move played on the board to the next move in the
6107 * game. If they match, display the move and the opponent's response.
6108 * If they don't match, display an error message.
6112 CopyBoard(testBoard, boards[currentMove]);
6113 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6115 if (CompareBoards(testBoard, boards[currentMove+1])) {
6116 ForwardInner(currentMove+1);
6118 /* Autoplay the opponent's response.
6119 * if appData.animate was TRUE when Training mode was entered,
6120 * the response will be animated.
6122 saveAnimate = appData.animate;
6123 appData.animate = animateTraining;
6124 ForwardInner(currentMove+1);
6125 appData.animate = saveAnimate;
6127 /* check for the end of the game */
6128 if (currentMove >= forwardMostMove) {
6129 gameMode = PlayFromGameFile;
6131 SetTrainingModeOff();
6132 DisplayInformation(_("End of game"));
6135 DisplayError(_("Incorrect move"), 0);
6140 /* Ok, now we know that the move is good, so we can kill
6141 the previous line in Analysis Mode */
6142 if ((gameMode == AnalyzeMode || gameMode == EditGame)
6143 && currentMove < forwardMostMove) {
6144 PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6147 /* If we need the chess program but it's dead, restart it */
6148 ResurrectChessProgram();
6150 /* A user move restarts a paused game*/
6154 thinkOutput[0] = NULLCHAR;
6156 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6158 if(Adjudicate(NULL)) return 1; // [HGM] adjudicate: take care of automtic game end
6160 if (gameMode == BeginningOfGame) {
6161 if (appData.noChessProgram) {
6162 gameMode = EditGame;
6166 gameMode = MachinePlaysBlack;
6169 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
6171 if (first.sendName) {
6172 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6173 SendToProgram(buf, &first);
6180 /* Relay move to ICS or chess engine */
6181 if (appData.icsActive) {
6182 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6183 gameMode == IcsExamining) {
6184 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6185 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6187 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6189 // also send plain move, in case ICS does not understand atomic claims
6190 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6194 if (first.sendTime && (gameMode == BeginningOfGame ||
6195 gameMode == MachinePlaysWhite ||
6196 gameMode == MachinePlaysBlack)) {
6197 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6199 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6200 // [HGM] book: if program might be playing, let it use book
6201 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6202 first.maybeThinking = TRUE;
6203 } else SendMoveToProgram(forwardMostMove-1, &first);
6204 if (currentMove == cmailOldMove + 1) {
6205 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6209 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6213 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6219 if (WhiteOnMove(currentMove)) {
6220 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6222 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6226 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6231 case MachinePlaysBlack:
6232 case MachinePlaysWhite:
6233 /* disable certain menu options while machine is thinking */
6234 SetMachineThinkingEnables();
6241 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6243 if(bookHit) { // [HGM] book: simulate book reply
6244 static char bookMove[MSG_SIZ]; // a bit generous?
6246 programStats.nodes = programStats.depth = programStats.time =
6247 programStats.score = programStats.got_only_move = 0;
6248 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6250 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6251 strcat(bookMove, bookHit);
6252 HandleMachineMove(bookMove, &first);
6258 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6265 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6266 Markers *m = (Markers *) closure;
6267 if(rf == fromY && ff == fromX)
6268 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6269 || kind == WhiteCapturesEnPassant
6270 || kind == BlackCapturesEnPassant);
6271 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6275 MarkTargetSquares(int clear)
6278 if(!appData.markers || !appData.highlightDragging ||
6279 !appData.testLegality || gameMode == EditPosition) return;
6281 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6284 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker);
6285 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6286 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6288 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6291 DrawPosition(TRUE, NULL);
6294 void LeftClick(ClickType clickType, int xPix, int yPix)
6297 Boolean saveAnimate;
6298 static int second = 0, promotionChoice = 0, dragging = 0;
6299 char promoChoice = NULLCHAR;
6301 if(appData.seekGraph && appData.icsActive && loggedOn &&
6302 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6303 SeekGraphClick(clickType, xPix, yPix, 0);
6307 if (clickType == Press) ErrorPopDown();
6308 MarkTargetSquares(1);
6310 x = EventToSquare(xPix, BOARD_WIDTH);
6311 y = EventToSquare(yPix, BOARD_HEIGHT);
6312 if (!flipView && y >= 0) {
6313 y = BOARD_HEIGHT - 1 - y;
6315 if (flipView && x >= 0) {
6316 x = BOARD_WIDTH - 1 - x;
6319 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6320 if(clickType == Release) return; // ignore upclick of click-click destination
6321 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6322 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6323 if(gameInfo.holdingsWidth &&
6324 (WhiteOnMove(currentMove)
6325 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y > 0
6326 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT-1) ) {
6327 // click in right holdings, for determining promotion piece
6328 ChessSquare p = boards[currentMove][y][x];
6329 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6330 if(p != EmptySquare) {
6331 FinishMove(NormalMove, fromX, fromY, toX, toY, ToLower(PieceToChar(p)));
6336 DrawPosition(FALSE, boards[currentMove]);
6340 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6341 if(clickType == Press
6342 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6343 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6344 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6347 autoQueen = appData.alwaysPromoteToQueen;
6350 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE)) {
6351 if (clickType == Press) {
6353 if (OKToStartUserMove(x, y)) {
6357 MarkTargetSquares(0);
6358 DragPieceBegin(xPix, yPix); dragging = 1;
6359 if (appData.highlightDragging) {
6360 SetHighlights(x, y, -1, -1);
6363 } else if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6364 DragPieceEnd(xPix, yPix); dragging = 0;
6365 DrawPosition(FALSE, NULL);
6372 if (clickType == Press && gameMode != EditPosition) {
6377 // ignore off-board to clicks
6378 if(y < 0 || x < 0) return;
6380 /* Check if clicking again on the same color piece */
6381 fromP = boards[currentMove][fromY][fromX];
6382 toP = boards[currentMove][y][x];
6383 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom;
6384 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6385 WhitePawn <= toP && toP <= WhiteKing &&
6386 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6387 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6388 (BlackPawn <= fromP && fromP <= BlackKing &&
6389 BlackPawn <= toP && toP <= BlackKing &&
6390 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6391 !(fromP == BlackKing && toP == BlackRook && frc))) {
6392 /* Clicked again on same color piece -- changed his mind */
6393 second = (x == fromX && y == fromY);
6394 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6395 if (appData.highlightDragging) {
6396 SetHighlights(x, y, -1, -1);
6400 if (OKToStartUserMove(x, y)) {
6402 fromY = y; dragging = 1;
6403 MarkTargetSquares(0);
6404 DragPieceBegin(xPix, yPix);
6409 // ignore clicks on holdings
6410 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6413 if (clickType == Release && x == fromX && y == fromY) {
6414 DragPieceEnd(xPix, yPix); dragging = 0;
6415 if (appData.animateDragging) {
6416 /* Undo animation damage if any */
6417 DrawPosition(FALSE, NULL);
6420 /* Second up/down in same square; just abort move */
6425 ClearPremoveHighlights();
6427 /* First upclick in same square; start click-click mode */
6428 SetHighlights(x, y, -1, -1);
6433 /* we now have a different from- and (possibly off-board) to-square */
6434 /* Completed move */
6437 saveAnimate = appData.animate;
6438 if (clickType == Press) {
6439 /* Finish clickclick move */
6440 if (appData.animate || appData.highlightLastMove) {
6441 SetHighlights(fromX, fromY, toX, toY);
6446 /* Finish drag move */
6447 if (appData.highlightLastMove) {
6448 SetHighlights(fromX, fromY, toX, toY);
6452 DragPieceEnd(xPix, yPix); dragging = 0;
6453 /* Don't animate move and drag both */
6454 appData.animate = FALSE;
6457 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
6458 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
6459 ChessSquare piece = boards[currentMove][fromY][fromX];
6460 if(gameMode == EditPosition && piece != EmptySquare &&
6461 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
6464 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
6465 n = PieceToNumber(piece - (int)BlackPawn);
6466 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
6467 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
6468 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
6470 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
6471 n = PieceToNumber(piece);
6472 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
6473 boards[currentMove][n][BOARD_WIDTH-1] = piece;
6474 boards[currentMove][n][BOARD_WIDTH-2]++;
6476 boards[currentMove][fromY][fromX] = EmptySquare;
6480 DrawPosition(TRUE, boards[currentMove]);
6484 // off-board moves should not be highlighted
6485 if(x < 0 || x < 0) ClearHighlights();
6487 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
6488 SetHighlights(fromX, fromY, toX, toY);
6489 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6490 // [HGM] super: promotion to captured piece selected from holdings
6491 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
6492 promotionChoice = TRUE;
6493 // kludge follows to temporarily execute move on display, without promoting yet
6494 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
6495 boards[currentMove][toY][toX] = p;
6496 DrawPosition(FALSE, boards[currentMove]);
6497 boards[currentMove][fromY][fromX] = p; // take back, but display stays
6498 boards[currentMove][toY][toX] = q;
6499 DisplayMessage("Click in holdings to choose piece", "");
6504 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
6505 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
6506 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
6509 appData.animate = saveAnimate;
6510 if (appData.animate || appData.animateDragging) {
6511 /* Undo animation damage if needed */
6512 DrawPosition(FALSE, NULL);
6516 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
6517 { // front-end-free part taken out of PieceMenuPopup
6518 int whichMenu; int xSqr, ySqr;
6520 if(seekGraphUp) { // [HGM] seekgraph
6521 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
6522 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
6526 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
6527 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
6528 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
6529 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
6530 if(action == Press) {
6531 originalFlip = flipView;
6532 flipView = !flipView; // temporarily flip board to see game from partners perspective
6533 DrawPosition(TRUE, partnerBoard);
6534 DisplayMessage(partnerStatus, "");
6536 } else if(action == Release) {
6537 flipView = originalFlip;
6538 DrawPosition(TRUE, boards[currentMove]);
6544 xSqr = EventToSquare(x, BOARD_WIDTH);
6545 ySqr = EventToSquare(y, BOARD_HEIGHT);
6546 if (action == Release) UnLoadPV(); // [HGM] pv
6547 if (action != Press) return -2; // return code to be ignored
6550 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
\r
6552 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
\r
6553 if (xSqr < 0 || ySqr < 0) return -1;
\r
6554 whichMenu = 0; // edit-position menu
6557 if(!appData.icsEngineAnalyze) return -1;
6558 case IcsPlayingWhite:
6559 case IcsPlayingBlack:
6560 if(!appData.zippyPlay) goto noZip;
6563 case MachinePlaysWhite:
6564 case MachinePlaysBlack:
6565 case TwoMachinesPlay: // [HGM] pv: use for showing PV
6566 if (!appData.dropMenu) {
6568 return 2; // flag front-end to grab mouse events
6570 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
6571 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
6574 if (xSqr < 0 || ySqr < 0) return -1;
6575 if (!appData.dropMenu || appData.testLegality &&
6576 gameInfo.variant != VariantBughouse &&
6577 gameInfo.variant != VariantCrazyhouse) return -1;
6578 whichMenu = 1; // drop menu
6584 if (((*fromX = xSqr) < 0) ||
6585 ((*fromY = ySqr) < 0)) {
6586 *fromX = *fromY = -1;
6590 *fromX = BOARD_WIDTH - 1 - *fromX;
6592 *fromY = BOARD_HEIGHT - 1 - *fromY;
6597 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
6599 // char * hint = lastHint;
6600 FrontEndProgramStats stats;
6602 stats.which = cps == &first ? 0 : 1;
6603 stats.depth = cpstats->depth;
6604 stats.nodes = cpstats->nodes;
6605 stats.score = cpstats->score;
6606 stats.time = cpstats->time;
6607 stats.pv = cpstats->movelist;
6608 stats.hint = lastHint;
6609 stats.an_move_index = 0;
6610 stats.an_move_count = 0;
6612 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
6613 stats.hint = cpstats->move_name;
6614 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
6615 stats.an_move_count = cpstats->nr_moves;
6618 if(stats.pv && stats.pv[0]) safeStrCpy(lastPV[stats.which], stats.pv, sizeof(lastPV[stats.which])/sizeof(lastPV[stats.which][0])); // [HGM] pv: remember last PV of each
6620 SetProgramStats( &stats );
6624 Count(Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
6625 { // count all piece types
6627 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
6628 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
6629 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
6632 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
6633 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
6634 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
6635 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
6636 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
6637 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
6642 SufficientDefence(int pCnt[], int side, int nMine, int nHis)
6644 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
6645 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
6647 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
6648 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
6649 if(myPawns == 2 && nMine == 3) // KPP
6650 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
6651 if(myPawns == 1 && nMine == 2) // KP
6652 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
6653 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
6654 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
6655 if(myPawns) return FALSE;
6656 if(pCnt[WhiteRook+side])
6657 return pCnt[BlackRook-side] ||
6658 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
6659 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
6660 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
6661 if(pCnt[WhiteCannon+side]) {
6662 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
6663 return majorDefense || pCnt[BlackAlfil-side] >= 2;
6665 if(pCnt[WhiteKnight+side])
6666 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
6671 MatingPotential(int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
6673 VariantClass v = gameInfo.variant;
6675 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
6676 if(v == VariantShatranj) return TRUE; // always winnable through baring
6677 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
6678 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
6680 if(v == VariantXiangqi) {
6681 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
6683 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
6684 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
6685 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
6686 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
6687 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
6688 if(stale) // we have at least one last-rank P plus perhaps C
6689 return majors // KPKX
6690 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
6692 return pCnt[WhiteFerz+side] // KCAK
6693 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
6694 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
6695 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
6697 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
6698 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
6700 if(nMine == 1) return FALSE; // bare King
6701 if(nBishops && bisColor == 3) return TRUE; // There must be a second B/A/F, which can either block (his) or attack (mine) the escape square
6702 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
6703 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
6704 // by now we have King + 1 piece (or multiple Bishops on the same color)
6705 if(pCnt[WhiteKnight+side])
6706 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
6707 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
6708 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
6710 return (pCnt[BlackKnight-side]); // KBKN, KFKN
6711 if(pCnt[WhiteAlfil+side])
6712 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
6713 if(pCnt[WhiteWazir+side])
6714 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
6721 Adjudicate(ChessProgramState *cps)
6722 { // [HGM] some adjudications useful with buggy engines
6723 // [HGM] adjudicate: made into separate routine, which now can be called after every move
6724 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
6725 // Actually ending the game is now based on the additional internal condition canAdjudicate.
6726 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
6727 int k, count = 0; static int bare = 1;
6728 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
6729 Boolean canAdjudicate = !appData.icsActive;
6731 // most tests only when we understand the game, i.e. legality-checking on
6732 if( appData.testLegality )
6733 { /* [HGM] Some more adjudications for obstinate engines */
6734 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
6735 static int moveCount = 6;
6737 char *reason = NULL;
6739 /* Count what is on board. */
6740 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
6742 /* Some material-based adjudications that have to be made before stalemate test */
6743 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
6744 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
6745 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
6746 if(canAdjudicate && appData.checkMates) {
6748 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6749 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6750 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
6751 "Xboard adjudication: King destroyed", GE_XBOARD );
6756 /* Bare King in Shatranj (loses) or Losers (wins) */
6757 if( nrW == 1 || nrB == 1) {
6758 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
6759 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
6760 if(canAdjudicate && appData.checkMates) {
6762 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
6763 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6764 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6765 "Xboard adjudication: Bare king", GE_XBOARD );
6769 if( gameInfo.variant == VariantShatranj && --bare < 0)
6771 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
6772 if(canAdjudicate && appData.checkMates) {
6773 /* but only adjudicate if adjudication enabled */
6775 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6776 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6777 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
6778 "Xboard adjudication: Bare king", GE_XBOARD );
6785 // don't wait for engine to announce game end if we can judge ourselves
6786 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
6788 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
6789 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
6790 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
6791 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
6794 reason = "Xboard adjudication: 3rd check";
6795 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
6805 reason = "Xboard adjudication: Stalemate";
6806 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
6807 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
6808 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
6809 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
6810 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
6811 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
6812 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
6813 EP_CHECKMATE : EP_WINS);
6814 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
6815 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
6819 reason = "Xboard adjudication: Checkmate";
6820 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
6824 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
6826 result = GameIsDrawn; break;
6828 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
6830 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
6834 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
6836 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6837 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6838 GameEnds( result, reason, GE_XBOARD );
6842 /* Next absolutely insufficient mating material. */
6843 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
6844 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
6845 { /* includes KBK, KNK, KK of KBKB with like Bishops */
6847 /* always flag draws, for judging claims */
6848 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
6850 if(canAdjudicate && appData.materialDraws) {
6851 /* but only adjudicate them if adjudication enabled */
6852 if(engineOpponent) {
6853 SendToProgram("force\n", engineOpponent); // suppress reply
6854 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
6856 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6857 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
6862 /* Then some trivial draws (only adjudicate, cannot be claimed) */
6863 if(gameInfo.variant == VariantXiangqi ?
6864 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
6866 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
6867 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
6868 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
6869 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
6871 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
6872 { /* if the first 3 moves do not show a tactical win, declare draw */
6873 if(engineOpponent) {
6874 SendToProgram("force\n", engineOpponent); // suppress reply
6875 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6877 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6878 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
6881 } else moveCount = 6;
6883 if (appData.debugMode) { int i;
6884 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
6885 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
6886 appData.drawRepeats);
6887 for( i=forwardMostMove; i>=backwardMostMove; i-- )
6888 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
6892 // Repetition draws and 50-move rule can be applied independently of legality testing
6894 /* Check for rep-draws */
6896 for(k = forwardMostMove-2;
6897 k>=backwardMostMove && k>=forwardMostMove-100 &&
6898 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
6899 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
6902 if(CompareBoards(boards[k], boards[forwardMostMove])) {
6903 /* compare castling rights */
6904 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
6905 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
6906 rights++; /* King lost rights, while rook still had them */
6907 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
6908 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
6909 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
6910 rights++; /* but at least one rook lost them */
6912 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
6913 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
6915 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
6916 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
6917 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
6920 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
6921 && appData.drawRepeats > 1) {
6922 /* adjudicate after user-specified nr of repeats */
6923 int result = GameIsDrawn;
6924 char *details = "XBoard adjudication: repetition draw";
6925 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
6926 // [HGM] xiangqi: check for forbidden perpetuals
6927 int m, ourPerpetual = 1, hisPerpetual = 1;
6928 for(m=forwardMostMove; m>k; m-=2) {
6929 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
6930 ourPerpetual = 0; // the current mover did not always check
6931 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
6932 hisPerpetual = 0; // the opponent did not always check
6934 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
6935 ourPerpetual, hisPerpetual);
6936 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
6937 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
6938 details = "Xboard adjudication: perpetual checking";
6940 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
6941 break; // (or we would have caught him before). Abort repetition-checking loop.
6943 // Now check for perpetual chases
6944 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
6945 hisPerpetual = PerpetualChase(k, forwardMostMove);
6946 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
6947 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
6948 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
6949 details = "Xboard adjudication: perpetual chasing";
6951 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
6952 break; // Abort repetition-checking loop.
6954 // if neither of us is checking or chasing all the time, or both are, it is draw
6956 if(engineOpponent) {
6957 SendToProgram("force\n", engineOpponent); // suppress reply
6958 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6960 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6961 GameEnds( result, details, GE_XBOARD );
6964 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
6965 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
6969 /* Now we test for 50-move draws. Determine ply count */
6970 count = forwardMostMove;
6971 /* look for last irreversble move */
6972 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
6974 /* if we hit starting position, add initial plies */
6975 if( count == backwardMostMove )
6976 count -= initialRulePlies;
6977 count = forwardMostMove - count;
6978 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
6979 // adjust reversible move counter for checks in Xiangqi
6980 int i = forwardMostMove - count, inCheck = 0, lastCheck;
6981 if(i < backwardMostMove) i = backwardMostMove;
6982 while(i <= forwardMostMove) {
6983 lastCheck = inCheck; // check evasion does not count
6984 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
6985 if(inCheck || lastCheck) count--; // check does not count
6990 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
6991 /* this is used to judge if draw claims are legal */
6992 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
6993 if(engineOpponent) {
6994 SendToProgram("force\n", engineOpponent); // suppress reply
6995 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6997 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6998 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7002 /* if draw offer is pending, treat it as a draw claim
7003 * when draw condition present, to allow engines a way to
7004 * claim draws before making their move to avoid a race
7005 * condition occurring after their move
7007 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7009 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7010 p = "Draw claim: 50-move rule";
7011 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7012 p = "Draw claim: 3-fold repetition";
7013 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7014 p = "Draw claim: insufficient mating material";
7015 if( p != NULL && canAdjudicate) {
7016 if(engineOpponent) {
7017 SendToProgram("force\n", engineOpponent); // suppress reply
7018 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7020 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7021 GameEnds( GameIsDrawn, p, GE_XBOARD );
7026 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7027 if(engineOpponent) {
7028 SendToProgram("force\n", engineOpponent); // suppress reply
7029 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7031 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7032 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7038 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
7039 { // [HGM] book: this routine intercepts moves to simulate book replies
7040 char *bookHit = NULL;
7042 //first determine if the incoming move brings opponent into his book
7043 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7044 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7045 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7046 if(bookHit != NULL && !cps->bookSuspend) {
7047 // make sure opponent is not going to reply after receiving move to book position
7048 SendToProgram("force\n", cps);
7049 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7051 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7052 // now arrange restart after book miss
7054 // after a book hit we never send 'go', and the code after the call to this routine
7055 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7057 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), bookHit); // force book move into program supposed to play it
7058 SendToProgram(buf, cps);
7059 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7060 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7061 SendToProgram("go\n", cps);
7062 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7063 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7064 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7065 SendToProgram("go\n", cps);
7066 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7068 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7072 ChessProgramState *savedState;
7073 void DeferredBookMove(void)
7075 if(savedState->lastPing != savedState->lastPong)
7076 ScheduleDelayedEvent(DeferredBookMove, 10);
7078 HandleMachineMove(savedMessage, savedState);
7082 HandleMachineMove(message, cps)
7084 ChessProgramState *cps;
7086 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7087 char realname[MSG_SIZ];
7088 int fromX, fromY, toX, toY;
7097 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7099 * Kludge to ignore BEL characters
7101 while (*message == '\007') message++;
7104 * [HGM] engine debug message: ignore lines starting with '#' character
7106 if(cps->debug && *message == '#') return;
7109 * Look for book output
7111 if (cps == &first && bookRequested) {
7112 if (message[0] == '\t' || message[0] == ' ') {
7113 /* Part of the book output is here; append it */
7114 strcat(bookOutput, message);
7115 strcat(bookOutput, " \n");
7117 } else if (bookOutput[0] != NULLCHAR) {
7118 /* All of book output has arrived; display it */
7119 char *p = bookOutput;
7120 while (*p != NULLCHAR) {
7121 if (*p == '\t') *p = ' ';
7124 DisplayInformation(bookOutput);
7125 bookRequested = FALSE;
7126 /* Fall through to parse the current output */
7131 * Look for machine move.
7133 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7134 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7136 /* This method is only useful on engines that support ping */
7137 if (cps->lastPing != cps->lastPong) {
7138 if (gameMode == BeginningOfGame) {
7139 /* Extra move from before last new; ignore */
7140 if (appData.debugMode) {
7141 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7144 if (appData.debugMode) {
7145 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7146 cps->which, gameMode);
7149 SendToProgram("undo\n", cps);
7155 case BeginningOfGame:
7156 /* Extra move from before last reset; ignore */
7157 if (appData.debugMode) {
7158 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7165 /* Extra move after we tried to stop. The mode test is
7166 not a reliable way of detecting this problem, but it's
7167 the best we can do on engines that don't support ping.
7169 if (appData.debugMode) {
7170 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7171 cps->which, gameMode);
7173 SendToProgram("undo\n", cps);
7176 case MachinePlaysWhite:
7177 case IcsPlayingWhite:
7178 machineWhite = TRUE;
7181 case MachinePlaysBlack:
7182 case IcsPlayingBlack:
7183 machineWhite = FALSE;
7186 case TwoMachinesPlay:
7187 machineWhite = (cps->twoMachinesColor[0] == 'w');
7190 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7191 if (appData.debugMode) {
7193 "Ignoring move out of turn by %s, gameMode %d"
7194 ", forwardMost %d\n",
7195 cps->which, gameMode, forwardMostMove);
7200 if (appData.debugMode) { int f = forwardMostMove;
7201 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7202 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7203 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7205 if(cps->alphaRank) AlphaRank(machineMove, 4);
7206 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7207 &fromX, &fromY, &toX, &toY, &promoChar)) {
7208 /* Machine move could not be parsed; ignore it. */
7209 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7210 machineMove, cps->which);
7211 DisplayError(buf1, 0);
7212 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7213 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7214 if (gameMode == TwoMachinesPlay) {
7215 GameEnds(machineWhite ? BlackWins : WhiteWins,
7221 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7222 /* So we have to redo legality test with true e.p. status here, */
7223 /* to make sure an illegal e.p. capture does not slip through, */
7224 /* to cause a forfeit on a justified illegal-move complaint */
7225 /* of the opponent. */
7226 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7228 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7229 fromY, fromX, toY, toX, promoChar);
7230 if (appData.debugMode) {
7232 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7233 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7234 fprintf(debugFP, "castling rights\n");
7236 if(moveType == IllegalMove) {
7237 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7238 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7239 GameEnds(machineWhite ? BlackWins : WhiteWins,
7242 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7243 /* [HGM] Kludge to handle engines that send FRC-style castling
7244 when they shouldn't (like TSCP-Gothic) */
7246 case WhiteASideCastleFR:
7247 case BlackASideCastleFR:
7249 currentMoveString[2]++;
7251 case WhiteHSideCastleFR:
7252 case BlackHSideCastleFR:
7254 currentMoveString[2]--;
7256 default: ; // nothing to do, but suppresses warning of pedantic compilers
7259 hintRequested = FALSE;
7260 lastHint[0] = NULLCHAR;
7261 bookRequested = FALSE;
7262 /* Program may be pondering now */
7263 cps->maybeThinking = TRUE;
7264 if (cps->sendTime == 2) cps->sendTime = 1;
7265 if (cps->offeredDraw) cps->offeredDraw--;
7267 /* currentMoveString is set as a side-effect of ParseOneMove */
7268 safeStrCpy(machineMove, currentMoveString, sizeof(machineMove)/sizeof(machineMove[0]));
7269 strcat(machineMove, "\n");
7270 safeStrCpy(moveList[forwardMostMove], machineMove, sizeof(moveList[forwardMostMove])/sizeof(moveList[forwardMostMove][0]));
7272 /* [AS] Save move info*/
7273 pvInfoList[ forwardMostMove ].score = programStats.score;
7274 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7275 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7277 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7279 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7280 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7283 while( count < adjudicateLossPlies ) {
7284 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7287 score = -score; /* Flip score for winning side */
7290 if( score > adjudicateLossThreshold ) {
7297 if( count >= adjudicateLossPlies ) {
7298 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7300 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7301 "Xboard adjudication",
7308 if(Adjudicate(cps)) return; // [HGM] adjudicate: for all automatic game ends
7311 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7313 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7314 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7316 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7318 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7320 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
7321 char buf[3*MSG_SIZ];
7323 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
7324 programStats.score / 100.,
7326 programStats.time / 100.,
7327 (unsigned int)programStats.nodes,
7328 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
7329 programStats.movelist);
7331 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
7336 /* [AS] Clear stats for next move */
7337 ClearProgramStats();
7338 thinkOutput[0] = NULLCHAR;
7339 hiddenThinkOutputState = 0;
7342 if (gameMode == TwoMachinesPlay) {
7343 /* [HGM] relaying draw offers moved to after reception of move */
7344 /* and interpreting offer as claim if it brings draw condition */
7345 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
7346 SendToProgram("draw\n", cps->other);
7348 if (cps->other->sendTime) {
7349 SendTimeRemaining(cps->other,
7350 cps->other->twoMachinesColor[0] == 'w');
7352 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
7353 if (firstMove && !bookHit) {
7355 if (cps->other->useColors) {
7356 SendToProgram(cps->other->twoMachinesColor, cps->other);
7358 SendToProgram("go\n", cps->other);
7360 cps->other->maybeThinking = TRUE;
7363 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7365 if (!pausing && appData.ringBellAfterMoves) {
7370 * Reenable menu items that were disabled while
7371 * machine was thinking
7373 if (gameMode != TwoMachinesPlay)
7374 SetUserThinkingEnables();
7376 // [HGM] book: after book hit opponent has received move and is now in force mode
7377 // force the book reply into it, and then fake that it outputted this move by jumping
7378 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
7380 static char bookMove[MSG_SIZ]; // a bit generous?
7382 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7383 strcat(bookMove, bookHit);
7386 programStats.nodes = programStats.depth = programStats.time =
7387 programStats.score = programStats.got_only_move = 0;
7388 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7390 if(cps->lastPing != cps->lastPong) {
7391 savedMessage = message; // args for deferred call
7393 ScheduleDelayedEvent(DeferredBookMove, 10);
7402 /* Set special modes for chess engines. Later something general
7403 * could be added here; for now there is just one kludge feature,
7404 * needed because Crafty 15.10 and earlier don't ignore SIGINT
7405 * when "xboard" is given as an interactive command.
7407 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
7408 cps->useSigint = FALSE;
7409 cps->useSigterm = FALSE;
7411 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
7412 ParseFeatures(message+8, cps);
7413 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
7416 /* [HGM] Allow engine to set up a position. Don't ask me why one would
7417 * want this, I was asked to put it in, and obliged.
7419 if (!strncmp(message, "setboard ", 9)) {
7420 Board initial_position;
7422 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
7424 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
7425 DisplayError(_("Bad FEN received from engine"), 0);
7429 CopyBoard(boards[0], initial_position);
7430 initialRulePlies = FENrulePlies;
7431 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
7432 else gameMode = MachinePlaysBlack;
7433 DrawPosition(FALSE, boards[currentMove]);
7439 * Look for communication commands
7441 if (!strncmp(message, "telluser ", 9)) {
7442 EscapeExpand(message+9, message+9); // [HGM] esc: allow escape sequences in popup box
7443 DisplayNote(message + 9);
7446 if (!strncmp(message, "tellusererror ", 14)) {
7448 EscapeExpand(message+14, message+14); // [HGM] esc: allow escape sequences in popup box
7449 DisplayError(message + 14, 0);
7452 if (!strncmp(message, "tellopponent ", 13)) {
7453 if (appData.icsActive) {
7455 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
7459 DisplayNote(message + 13);
7463 if (!strncmp(message, "tellothers ", 11)) {
7464 if (appData.icsActive) {
7466 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
7472 if (!strncmp(message, "tellall ", 8)) {
7473 if (appData.icsActive) {
7475 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
7479 DisplayNote(message + 8);
7483 if (strncmp(message, "warning", 7) == 0) {
7484 /* Undocumented feature, use tellusererror in new code */
7485 DisplayError(message, 0);
7488 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
7489 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
7490 strcat(realname, " query");
7491 AskQuestion(realname, buf2, buf1, cps->pr);
7494 /* Commands from the engine directly to ICS. We don't allow these to be
7495 * sent until we are logged on. Crafty kibitzes have been known to
7496 * interfere with the login process.
7499 if (!strncmp(message, "tellics ", 8)) {
7500 SendToICS(message + 8);
7504 if (!strncmp(message, "tellicsnoalias ", 15)) {
7505 SendToICS(ics_prefix);
7506 SendToICS(message + 15);
7510 /* The following are for backward compatibility only */
7511 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
7512 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
7513 SendToICS(ics_prefix);
7519 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
7523 * If the move is illegal, cancel it and redraw the board.
7524 * Also deal with other error cases. Matching is rather loose
7525 * here to accommodate engines written before the spec.
7527 if (strncmp(message + 1, "llegal move", 11) == 0 ||
7528 strncmp(message, "Error", 5) == 0) {
7529 if (StrStr(message, "name") ||
7530 StrStr(message, "rating") || StrStr(message, "?") ||
7531 StrStr(message, "result") || StrStr(message, "board") ||
7532 StrStr(message, "bk") || StrStr(message, "computer") ||
7533 StrStr(message, "variant") || StrStr(message, "hint") ||
7534 StrStr(message, "random") || StrStr(message, "depth") ||
7535 StrStr(message, "accepted")) {
7538 if (StrStr(message, "protover")) {
7539 /* Program is responding to input, so it's apparently done
7540 initializing, and this error message indicates it is
7541 protocol version 1. So we don't need to wait any longer
7542 for it to initialize and send feature commands. */
7543 FeatureDone(cps, 1);
7544 cps->protocolVersion = 1;
7547 cps->maybeThinking = FALSE;
7549 if (StrStr(message, "draw")) {
7550 /* Program doesn't have "draw" command */
7551 cps->sendDrawOffers = 0;
7554 if (cps->sendTime != 1 &&
7555 (StrStr(message, "time") || StrStr(message, "otim"))) {
7556 /* Program apparently doesn't have "time" or "otim" command */
7560 if (StrStr(message, "analyze")) {
7561 cps->analysisSupport = FALSE;
7562 cps->analyzing = FALSE;
7564 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
7565 DisplayError(buf2, 0);
7568 if (StrStr(message, "(no matching move)st")) {
7569 /* Special kludge for GNU Chess 4 only */
7570 cps->stKludge = TRUE;
7571 SendTimeControl(cps, movesPerSession, timeControl,
7572 timeIncrement, appData.searchDepth,
7576 if (StrStr(message, "(no matching move)sd")) {
7577 /* Special kludge for GNU Chess 4 only */
7578 cps->sdKludge = TRUE;
7579 SendTimeControl(cps, movesPerSession, timeControl,
7580 timeIncrement, appData.searchDepth,
7584 if (!StrStr(message, "llegal")) {
7587 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7588 gameMode == IcsIdle) return;
7589 if (forwardMostMove <= backwardMostMove) return;
7590 if (pausing) PauseEvent();
7591 if(appData.forceIllegal) {
7592 // [HGM] illegal: machine refused move; force position after move into it
7593 SendToProgram("force\n", cps);
7594 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
7595 // we have a real problem now, as SendBoard will use the a2a3 kludge
7596 // when black is to move, while there might be nothing on a2 or black
7597 // might already have the move. So send the board as if white has the move.
7598 // But first we must change the stm of the engine, as it refused the last move
7599 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
7600 if(WhiteOnMove(forwardMostMove)) {
7601 SendToProgram("a7a6\n", cps); // for the engine black still had the move
7602 SendBoard(cps, forwardMostMove); // kludgeless board
7604 SendToProgram("a2a3\n", cps); // for the engine white still had the move
7605 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7606 SendBoard(cps, forwardMostMove+1); // kludgeless board
7608 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
7609 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
7610 gameMode == TwoMachinesPlay)
7611 SendToProgram("go\n", cps);
7614 if (gameMode == PlayFromGameFile) {
7615 /* Stop reading this game file */
7616 gameMode = EditGame;
7619 currentMove = forwardMostMove-1;
7620 DisplayMove(currentMove-1); /* before DisplayMoveError */
7621 SwitchClocks(forwardMostMove-1); // [HGM] race
7622 DisplayBothClocks();
7623 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
7624 parseList[currentMove], cps->which);
7625 DisplayMoveError(buf1);
7626 DrawPosition(FALSE, boards[currentMove]);
7628 /* [HGM] illegal-move claim should forfeit game when Xboard */
7629 /* only passes fully legal moves */
7630 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
7631 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
7632 "False illegal-move claim", GE_XBOARD );
7636 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
7637 /* Program has a broken "time" command that
7638 outputs a string not ending in newline.
7644 * If chess program startup fails, exit with an error message.
7645 * Attempts to recover here are futile.
7647 if ((StrStr(message, "unknown host") != NULL)
7648 || (StrStr(message, "No remote directory") != NULL)
7649 || (StrStr(message, "not found") != NULL)
7650 || (StrStr(message, "No such file") != NULL)
7651 || (StrStr(message, "can't alloc") != NULL)
7652 || (StrStr(message, "Permission denied") != NULL)) {
7654 cps->maybeThinking = FALSE;
7655 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
7656 cps->which, cps->program, cps->host, message);
7657 RemoveInputSource(cps->isr);
7658 DisplayFatalError(buf1, 0, 1);
7663 * Look for hint output
7665 if (sscanf(message, "Hint: %s", buf1) == 1) {
7666 if (cps == &first && hintRequested) {
7667 hintRequested = FALSE;
7668 if (ParseOneMove(buf1, forwardMostMove, &moveType,
7669 &fromX, &fromY, &toX, &toY, &promoChar)) {
7670 (void) CoordsToAlgebraic(boards[forwardMostMove],
7671 PosFlags(forwardMostMove),
7672 fromY, fromX, toY, toX, promoChar, buf1);
7673 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
7674 DisplayInformation(buf2);
7676 /* Hint move could not be parsed!? */
7677 snprintf(buf2, sizeof(buf2),
7678 _("Illegal hint move \"%s\"\nfrom %s chess program"),
7680 DisplayError(buf2, 0);
7683 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
7689 * Ignore other messages if game is not in progress
7691 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7692 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
7695 * look for win, lose, draw, or draw offer
7697 if (strncmp(message, "1-0", 3) == 0) {
7698 char *p, *q, *r = "";
7699 p = strchr(message, '{');
7707 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
7709 } else if (strncmp(message, "0-1", 3) == 0) {
7710 char *p, *q, *r = "";
7711 p = strchr(message, '{');
7719 /* Kludge for Arasan 4.1 bug */
7720 if (strcmp(r, "Black resigns") == 0) {
7721 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
7724 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
7726 } else if (strncmp(message, "1/2", 3) == 0) {
7727 char *p, *q, *r = "";
7728 p = strchr(message, '{');
7737 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
7740 } else if (strncmp(message, "White resign", 12) == 0) {
7741 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7743 } else if (strncmp(message, "Black resign", 12) == 0) {
7744 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7746 } else if (strncmp(message, "White matches", 13) == 0 ||
7747 strncmp(message, "Black matches", 13) == 0 ) {
7748 /* [HGM] ignore GNUShogi noises */
7750 } else if (strncmp(message, "White", 5) == 0 &&
7751 message[5] != '(' &&
7752 StrStr(message, "Black") == NULL) {
7753 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7755 } else if (strncmp(message, "Black", 5) == 0 &&
7756 message[5] != '(') {
7757 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7759 } else if (strcmp(message, "resign") == 0 ||
7760 strcmp(message, "computer resigns") == 0) {
7762 case MachinePlaysBlack:
7763 case IcsPlayingBlack:
7764 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
7766 case MachinePlaysWhite:
7767 case IcsPlayingWhite:
7768 GameEnds(BlackWins, "White resigns", GE_ENGINE);
7770 case TwoMachinesPlay:
7771 if (cps->twoMachinesColor[0] == 'w')
7772 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7774 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7781 } else if (strncmp(message, "opponent mates", 14) == 0) {
7783 case MachinePlaysBlack:
7784 case IcsPlayingBlack:
7785 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7787 case MachinePlaysWhite:
7788 case IcsPlayingWhite:
7789 GameEnds(BlackWins, "Black mates", GE_ENGINE);
7791 case TwoMachinesPlay:
7792 if (cps->twoMachinesColor[0] == 'w')
7793 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7795 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7802 } else if (strncmp(message, "computer mates", 14) == 0) {
7804 case MachinePlaysBlack:
7805 case IcsPlayingBlack:
7806 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
7808 case MachinePlaysWhite:
7809 case IcsPlayingWhite:
7810 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7812 case TwoMachinesPlay:
7813 if (cps->twoMachinesColor[0] == 'w')
7814 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7816 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7823 } else if (strncmp(message, "checkmate", 9) == 0) {
7824 if (WhiteOnMove(forwardMostMove)) {
7825 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7827 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7830 } else if (strstr(message, "Draw") != NULL ||
7831 strstr(message, "game is a draw") != NULL) {
7832 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
7834 } else if (strstr(message, "offer") != NULL &&
7835 strstr(message, "draw") != NULL) {
7837 if (appData.zippyPlay && first.initDone) {
7838 /* Relay offer to ICS */
7839 SendToICS(ics_prefix);
7840 SendToICS("draw\n");
7843 cps->offeredDraw = 2; /* valid until this engine moves twice */
7844 if (gameMode == TwoMachinesPlay) {
7845 if (cps->other->offeredDraw) {
7846 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7847 /* [HGM] in two-machine mode we delay relaying draw offer */
7848 /* until after we also have move, to see if it is really claim */
7850 } else if (gameMode == MachinePlaysWhite ||
7851 gameMode == MachinePlaysBlack) {
7852 if (userOfferedDraw) {
7853 DisplayInformation(_("Machine accepts your draw offer"));
7854 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7856 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
7863 * Look for thinking output
7865 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
7866 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7868 int plylev, mvleft, mvtot, curscore, time;
7869 char mvname[MOVE_LEN];
7873 int prefixHint = FALSE;
7874 mvname[0] = NULLCHAR;
7877 case MachinePlaysBlack:
7878 case IcsPlayingBlack:
7879 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7881 case MachinePlaysWhite:
7882 case IcsPlayingWhite:
7883 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7888 case IcsObserving: /* [DM] icsEngineAnalyze */
7889 if (!appData.icsEngineAnalyze) ignore = TRUE;
7891 case TwoMachinesPlay:
7892 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
7902 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
7904 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7905 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
7907 if (plyext != ' ' && plyext != '\t') {
7911 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7912 if( cps->scoreIsAbsolute &&
7913 ( gameMode == MachinePlaysBlack ||
7914 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
7915 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
7916 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
7917 !WhiteOnMove(currentMove)
7920 curscore = -curscore;
7924 tempStats.depth = plylev;
7925 tempStats.nodes = nodes;
7926 tempStats.time = time;
7927 tempStats.score = curscore;
7928 tempStats.got_only_move = 0;
7930 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
7933 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
7934 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
7935 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
7936 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
7937 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
7938 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
7939 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
7940 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
7943 /* Buffer overflow protection */
7944 if (buf1[0] != NULLCHAR) {
7945 if (strlen(buf1) >= sizeof(tempStats.movelist)
7946 && appData.debugMode) {
7948 "PV is too long; using the first %u bytes.\n",
7949 (unsigned) sizeof(tempStats.movelist) - 1);
7952 safeStrCpy( tempStats.movelist, buf1, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
7954 sprintf(tempStats.movelist, " no PV\n");
7957 if (tempStats.seen_stat) {
7958 tempStats.ok_to_send = 1;
7961 if (strchr(tempStats.movelist, '(') != NULL) {
7962 tempStats.line_is_book = 1;
7963 tempStats.nr_moves = 0;
7964 tempStats.moves_left = 0;
7966 tempStats.line_is_book = 0;
7969 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
7970 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
7972 SendProgramStatsToFrontend( cps, &tempStats );
7975 [AS] Protect the thinkOutput buffer from overflow... this
7976 is only useful if buf1 hasn't overflowed first!
7978 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
7980 (gameMode == TwoMachinesPlay ?
7981 ToUpper(cps->twoMachinesColor[0]) : ' '),
7982 ((double) curscore) / 100.0,
7983 prefixHint ? lastHint : "",
7984 prefixHint ? " " : "" );
7986 if( buf1[0] != NULLCHAR ) {
7987 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
7989 if( strlen(buf1) > max_len ) {
7990 if( appData.debugMode) {
7991 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
7993 buf1[max_len+1] = '\0';
7996 strcat( thinkOutput, buf1 );
7999 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8000 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8001 DisplayMove(currentMove - 1);
8005 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8006 /* crafty (9.25+) says "(only move) <move>"
8007 * if there is only 1 legal move
8009 sscanf(p, "(only move) %s", buf1);
8010 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8011 sprintf(programStats.movelist, "%s (only move)", buf1);
8012 programStats.depth = 1;
8013 programStats.nr_moves = 1;
8014 programStats.moves_left = 1;
8015 programStats.nodes = 1;
8016 programStats.time = 1;
8017 programStats.got_only_move = 1;
8019 /* Not really, but we also use this member to
8020 mean "line isn't going to change" (Crafty
8021 isn't searching, so stats won't change) */
8022 programStats.line_is_book = 1;
8024 SendProgramStatsToFrontend( cps, &programStats );
8026 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8027 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8028 DisplayMove(currentMove - 1);
8031 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8032 &time, &nodes, &plylev, &mvleft,
8033 &mvtot, mvname) >= 5) {
8034 /* The stat01: line is from Crafty (9.29+) in response
8035 to the "." command */
8036 programStats.seen_stat = 1;
8037 cps->maybeThinking = TRUE;
8039 if (programStats.got_only_move || !appData.periodicUpdates)
8042 programStats.depth = plylev;
8043 programStats.time = time;
8044 programStats.nodes = nodes;
8045 programStats.moves_left = mvleft;
8046 programStats.nr_moves = mvtot;
8047 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8048 programStats.ok_to_send = 1;
8049 programStats.movelist[0] = '\0';
8051 SendProgramStatsToFrontend( cps, &programStats );
8055 } else if (strncmp(message,"++",2) == 0) {
8056 /* Crafty 9.29+ outputs this */
8057 programStats.got_fail = 2;
8060 } else if (strncmp(message,"--",2) == 0) {
8061 /* Crafty 9.29+ outputs this */
8062 programStats.got_fail = 1;
8065 } else if (thinkOutput[0] != NULLCHAR &&
8066 strncmp(message, " ", 4) == 0) {
8067 unsigned message_len;
8070 while (*p && *p == ' ') p++;
8072 message_len = strlen( p );
8074 /* [AS] Avoid buffer overflow */
8075 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8076 strcat(thinkOutput, " ");
8077 strcat(thinkOutput, p);
8080 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8081 strcat(programStats.movelist, " ");
8082 strcat(programStats.movelist, p);
8085 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8086 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8087 DisplayMove(currentMove - 1);
8095 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8096 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8098 ChessProgramStats cpstats;
8100 if (plyext != ' ' && plyext != '\t') {
8104 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8105 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8106 curscore = -curscore;
8109 cpstats.depth = plylev;
8110 cpstats.nodes = nodes;
8111 cpstats.time = time;
8112 cpstats.score = curscore;
8113 cpstats.got_only_move = 0;
8114 cpstats.movelist[0] = '\0';
8116 if (buf1[0] != NULLCHAR) {
8117 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8120 cpstats.ok_to_send = 0;
8121 cpstats.line_is_book = 0;
8122 cpstats.nr_moves = 0;
8123 cpstats.moves_left = 0;
8125 SendProgramStatsToFrontend( cps, &cpstats );
8132 /* Parse a game score from the character string "game", and
8133 record it as the history of the current game. The game
8134 score is NOT assumed to start from the standard position.
8135 The display is not updated in any way.
8138 ParseGameHistory(game)
8142 int fromX, fromY, toX, toY, boardIndex;
8147 if (appData.debugMode)
8148 fprintf(debugFP, "Parsing game history: %s\n", game);
8150 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8151 gameInfo.site = StrSave(appData.icsHost);
8152 gameInfo.date = PGNDate();
8153 gameInfo.round = StrSave("-");
8155 /* Parse out names of players */
8156 while (*game == ' ') game++;
8158 while (*game != ' ') *p++ = *game++;
8160 gameInfo.white = StrSave(buf);
8161 while (*game == ' ') game++;
8163 while (*game != ' ' && *game != '\n') *p++ = *game++;
8165 gameInfo.black = StrSave(buf);
8168 boardIndex = blackPlaysFirst ? 1 : 0;
8171 yyboardindex = boardIndex;
8172 moveType = (ChessMove) yylex();
8174 case IllegalMove: /* maybe suicide chess, etc. */
8175 if (appData.debugMode) {
8176 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8177 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8178 setbuf(debugFP, NULL);
8180 case WhitePromotion:
8181 case BlackPromotion:
8182 case WhiteNonPromotion:
8183 case BlackNonPromotion:
8185 case WhiteCapturesEnPassant:
8186 case BlackCapturesEnPassant:
8187 case WhiteKingSideCastle:
8188 case WhiteQueenSideCastle:
8189 case BlackKingSideCastle:
8190 case BlackQueenSideCastle:
8191 case WhiteKingSideCastleWild:
8192 case WhiteQueenSideCastleWild:
8193 case BlackKingSideCastleWild:
8194 case BlackQueenSideCastleWild:
8196 case WhiteHSideCastleFR:
8197 case WhiteASideCastleFR:
8198 case BlackHSideCastleFR:
8199 case BlackASideCastleFR:
8201 fromX = currentMoveString[0] - AAA;
8202 fromY = currentMoveString[1] - ONE;
8203 toX = currentMoveString[2] - AAA;
8204 toY = currentMoveString[3] - ONE;
8205 promoChar = currentMoveString[4];
8209 fromX = moveType == WhiteDrop ?
8210 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8211 (int) CharToPiece(ToLower(currentMoveString[0]));
8213 toX = currentMoveString[2] - AAA;
8214 toY = currentMoveString[3] - ONE;
8215 promoChar = NULLCHAR;
8219 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8220 if (appData.debugMode) {
8221 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8222 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8223 setbuf(debugFP, NULL);
8225 DisplayError(buf, 0);
8227 case ImpossibleMove:
8229 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8230 if (appData.debugMode) {
8231 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8232 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8233 setbuf(debugFP, NULL);
8235 DisplayError(buf, 0);
8238 if (boardIndex < backwardMostMove) {
8239 /* Oops, gap. How did that happen? */
8240 DisplayError(_("Gap in move list"), 0);
8243 backwardMostMove = blackPlaysFirst ? 1 : 0;
8244 if (boardIndex > forwardMostMove) {
8245 forwardMostMove = boardIndex;
8249 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8250 strcat(parseList[boardIndex-1], " ");
8251 strcat(parseList[boardIndex-1], yy_text);
8263 case GameUnfinished:
8264 if (gameMode == IcsExamining) {
8265 if (boardIndex < backwardMostMove) {
8266 /* Oops, gap. How did that happen? */
8269 backwardMostMove = blackPlaysFirst ? 1 : 0;
8272 gameInfo.result = moveType;
8273 p = strchr(yy_text, '{');
8274 if (p == NULL) p = strchr(yy_text, '(');
8277 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8279 q = strchr(p, *p == '{' ? '}' : ')');
8280 if (q != NULL) *q = NULLCHAR;
8283 gameInfo.resultDetails = StrSave(p);
8286 if (boardIndex >= forwardMostMove &&
8287 !(gameMode == IcsObserving && ics_gamenum == -1)) {
8288 backwardMostMove = blackPlaysFirst ? 1 : 0;
8291 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
8292 fromY, fromX, toY, toX, promoChar,
8293 parseList[boardIndex]);
8294 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
8295 /* currentMoveString is set as a side-effect of yylex */
8296 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
8297 strcat(moveList[boardIndex], "\n");
8299 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
8300 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
8306 if(gameInfo.variant != VariantShogi)
8307 strcat(parseList[boardIndex - 1], "+");
8311 strcat(parseList[boardIndex - 1], "#");
8318 /* Apply a move to the given board */
8320 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
8321 int fromX, fromY, toX, toY;
8325 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
8326 int promoRank = gameInfo.variant == VariantMakruk ? 3 : 1;
8328 /* [HGM] compute & store e.p. status and castling rights for new position */
8329 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
8331 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
8332 oldEP = (signed char)board[EP_STATUS];
8333 board[EP_STATUS] = EP_NONE;
8335 if( board[toY][toX] != EmptySquare )
8336 board[EP_STATUS] = EP_CAPTURE;
8338 /* [HGM] In Shatranj and Courier all promotions are to Ferz */
8339 if((gameInfo.variant==VariantShatranj || gameInfo.variant==VariantCourier || gameInfo.variant == VariantMakruk)
8340 && promoChar != 0) promoChar = PieceToChar(WhiteFerz);
8342 if (fromY == DROP_RANK) {
8344 piece = board[toY][toX] = (ChessSquare) fromX;
8348 if( board[fromY][fromX] == WhitePawn ) {
8349 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8350 board[EP_STATUS] = EP_PAWN_MOVE;
8352 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
8353 gameInfo.variant != VariantBerolina || toX < fromX)
8354 board[EP_STATUS] = toX | berolina;
8355 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
8356 gameInfo.variant != VariantBerolina || toX > fromX)
8357 board[EP_STATUS] = toX;
8360 if( board[fromY][fromX] == BlackPawn ) {
8361 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8362 board[EP_STATUS] = EP_PAWN_MOVE;
8363 if( toY-fromY== -2) {
8364 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
8365 gameInfo.variant != VariantBerolina || toX < fromX)
8366 board[EP_STATUS] = toX | berolina;
8367 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
8368 gameInfo.variant != VariantBerolina || toX > fromX)
8369 board[EP_STATUS] = toX;
8373 for(i=0; i<nrCastlingRights; i++) {
8374 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
8375 board[CASTLING][i] == toX && castlingRank[i] == toY
8376 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
8379 if (fromX == toX && fromY == toY) return;
8381 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
8382 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
8383 if(gameInfo.variant == VariantKnightmate)
8384 king += (int) WhiteUnicorn - (int) WhiteKing;
8386 /* Code added by Tord: */
8387 /* FRC castling assumed when king captures friendly rook. */
8388 if (board[fromY][fromX] == WhiteKing &&
8389 board[toY][toX] == WhiteRook) {
8390 board[fromY][fromX] = EmptySquare;
8391 board[toY][toX] = EmptySquare;
8393 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
8395 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
8397 } else if (board[fromY][fromX] == BlackKing &&
8398 board[toY][toX] == BlackRook) {
8399 board[fromY][fromX] = EmptySquare;
8400 board[toY][toX] = EmptySquare;
8402 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
8404 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
8406 /* End of code added by Tord */
8408 } else if (board[fromY][fromX] == king
8409 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8410 && toY == fromY && toX > fromX+1) {
8411 board[fromY][fromX] = EmptySquare;
8412 board[toY][toX] = king;
8413 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8414 board[fromY][BOARD_RGHT-1] = EmptySquare;
8415 } else if (board[fromY][fromX] == king
8416 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8417 && toY == fromY && toX < fromX-1) {
8418 board[fromY][fromX] = EmptySquare;
8419 board[toY][toX] = king;
8420 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8421 board[fromY][BOARD_LEFT] = EmptySquare;
8422 } else if (board[fromY][fromX] == WhitePawn
8423 && toY >= BOARD_HEIGHT-promoRank
8424 && gameInfo.variant != VariantXiangqi
8426 /* white pawn promotion */
8427 board[toY][toX] = CharToPiece(ToUpper(promoChar));
8428 if (board[toY][toX] == EmptySquare) {
8429 board[toY][toX] = WhiteQueen;
8431 if(gameInfo.variant==VariantBughouse ||
8432 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8433 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8434 board[fromY][fromX] = EmptySquare;
8435 } else if ((fromY == BOARD_HEIGHT-4)
8437 && gameInfo.variant != VariantXiangqi
8438 && gameInfo.variant != VariantBerolina
8439 && (board[fromY][fromX] == WhitePawn)
8440 && (board[toY][toX] == EmptySquare)) {
8441 board[fromY][fromX] = EmptySquare;
8442 board[toY][toX] = WhitePawn;
8443 captured = board[toY - 1][toX];
8444 board[toY - 1][toX] = EmptySquare;
8445 } else if ((fromY == BOARD_HEIGHT-4)
8447 && gameInfo.variant == VariantBerolina
8448 && (board[fromY][fromX] == WhitePawn)
8449 && (board[toY][toX] == EmptySquare)) {
8450 board[fromY][fromX] = EmptySquare;
8451 board[toY][toX] = WhitePawn;
8452 if(oldEP & EP_BEROLIN_A) {
8453 captured = board[fromY][fromX-1];
8454 board[fromY][fromX-1] = EmptySquare;
8455 }else{ captured = board[fromY][fromX+1];
8456 board[fromY][fromX+1] = EmptySquare;
8458 } else if (board[fromY][fromX] == king
8459 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8460 && toY == fromY && toX > fromX+1) {
8461 board[fromY][fromX] = EmptySquare;
8462 board[toY][toX] = king;
8463 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8464 board[fromY][BOARD_RGHT-1] = EmptySquare;
8465 } else if (board[fromY][fromX] == king
8466 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8467 && toY == fromY && toX < fromX-1) {
8468 board[fromY][fromX] = EmptySquare;
8469 board[toY][toX] = king;
8470 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8471 board[fromY][BOARD_LEFT] = EmptySquare;
8472 } else if (fromY == 7 && fromX == 3
8473 && board[fromY][fromX] == BlackKing
8474 && toY == 7 && toX == 5) {
8475 board[fromY][fromX] = EmptySquare;
8476 board[toY][toX] = BlackKing;
8477 board[fromY][7] = EmptySquare;
8478 board[toY][4] = BlackRook;
8479 } else if (fromY == 7 && fromX == 3
8480 && board[fromY][fromX] == BlackKing
8481 && toY == 7 && toX == 1) {
8482 board[fromY][fromX] = EmptySquare;
8483 board[toY][toX] = BlackKing;
8484 board[fromY][0] = EmptySquare;
8485 board[toY][2] = BlackRook;
8486 } else if (board[fromY][fromX] == BlackPawn
8488 && gameInfo.variant != VariantXiangqi
8490 /* black pawn promotion */
8491 board[toY][toX] = CharToPiece(ToLower(promoChar));
8492 if (board[toY][toX] == EmptySquare) {
8493 board[toY][toX] = BlackQueen;
8495 if(gameInfo.variant==VariantBughouse ||
8496 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8497 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8498 board[fromY][fromX] = EmptySquare;
8499 } else if ((fromY == 3)
8501 && gameInfo.variant != VariantXiangqi
8502 && gameInfo.variant != VariantBerolina
8503 && (board[fromY][fromX] == BlackPawn)
8504 && (board[toY][toX] == EmptySquare)) {
8505 board[fromY][fromX] = EmptySquare;
8506 board[toY][toX] = BlackPawn;
8507 captured = board[toY + 1][toX];
8508 board[toY + 1][toX] = EmptySquare;
8509 } else if ((fromY == 3)
8511 && gameInfo.variant == VariantBerolina
8512 && (board[fromY][fromX] == BlackPawn)
8513 && (board[toY][toX] == EmptySquare)) {
8514 board[fromY][fromX] = EmptySquare;
8515 board[toY][toX] = BlackPawn;
8516 if(oldEP & EP_BEROLIN_A) {
8517 captured = board[fromY][fromX-1];
8518 board[fromY][fromX-1] = EmptySquare;
8519 }else{ captured = board[fromY][fromX+1];
8520 board[fromY][fromX+1] = EmptySquare;
8523 board[toY][toX] = board[fromY][fromX];
8524 board[fromY][fromX] = EmptySquare;
8528 if (gameInfo.holdingsWidth != 0) {
8530 /* !!A lot more code needs to be written to support holdings */
8531 /* [HGM] OK, so I have written it. Holdings are stored in the */
8532 /* penultimate board files, so they are automaticlly stored */
8533 /* in the game history. */
8534 if (fromY == DROP_RANK) {
8535 /* Delete from holdings, by decreasing count */
8536 /* and erasing image if necessary */
8538 if(p < (int) BlackPawn) { /* white drop */
8539 p -= (int)WhitePawn;
8540 p = PieceToNumber((ChessSquare)p);
8541 if(p >= gameInfo.holdingsSize) p = 0;
8542 if(--board[p][BOARD_WIDTH-2] <= 0)
8543 board[p][BOARD_WIDTH-1] = EmptySquare;
8544 if((int)board[p][BOARD_WIDTH-2] < 0)
8545 board[p][BOARD_WIDTH-2] = 0;
8546 } else { /* black drop */
8547 p -= (int)BlackPawn;
8548 p = PieceToNumber((ChessSquare)p);
8549 if(p >= gameInfo.holdingsSize) p = 0;
8550 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
8551 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
8552 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
8553 board[BOARD_HEIGHT-1-p][1] = 0;
8556 if (captured != EmptySquare && gameInfo.holdingsSize > 0
8557 && gameInfo.variant != VariantBughouse ) {
8558 /* [HGM] holdings: Add to holdings, if holdings exist */
8559 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
8560 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
8561 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
8564 if (p >= (int) BlackPawn) {
8565 p -= (int)BlackPawn;
8566 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8567 /* in Shogi restore piece to its original first */
8568 captured = (ChessSquare) (DEMOTED captured);
8571 p = PieceToNumber((ChessSquare)p);
8572 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
8573 board[p][BOARD_WIDTH-2]++;
8574 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
8576 p -= (int)WhitePawn;
8577 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8578 captured = (ChessSquare) (DEMOTED captured);
8581 p = PieceToNumber((ChessSquare)p);
8582 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
8583 board[BOARD_HEIGHT-1-p][1]++;
8584 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
8587 } else if (gameInfo.variant == VariantAtomic) {
8588 if (captured != EmptySquare) {
8590 for (y = toY-1; y <= toY+1; y++) {
8591 for (x = toX-1; x <= toX+1; x++) {
8592 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
8593 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
8594 board[y][x] = EmptySquare;
8598 board[toY][toX] = EmptySquare;
8601 if(promoChar == '+') {
8602 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
8603 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8604 } else if(!appData.testLegality) { // without legality testing, unconditionally believe promoChar
8605 board[toY][toX] = CharToPiece(promoChar);
8607 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8608 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
8609 // [HGM] superchess: take promotion piece out of holdings
8610 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
8611 if((int)piece < (int)BlackPawn) { // determine stm from piece color
8612 if(!--board[k][BOARD_WIDTH-2])
8613 board[k][BOARD_WIDTH-1] = EmptySquare;
8615 if(!--board[BOARD_HEIGHT-1-k][1])
8616 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
8622 /* Updates forwardMostMove */
8624 MakeMove(fromX, fromY, toX, toY, promoChar)
8625 int fromX, fromY, toX, toY;
8628 // forwardMostMove++; // [HGM] bare: moved downstream
8630 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
8631 int timeLeft; static int lastLoadFlag=0; int king, piece;
8632 piece = boards[forwardMostMove][fromY][fromX];
8633 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
8634 if(gameInfo.variant == VariantKnightmate)
8635 king += (int) WhiteUnicorn - (int) WhiteKing;
8636 if(forwardMostMove == 0) {
8638 fprintf(serverMoves, "%s;", second.tidy);
8639 fprintf(serverMoves, "%s;", first.tidy);
8640 if(!blackPlaysFirst)
8641 fprintf(serverMoves, "%s;", second.tidy);
8642 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
8643 lastLoadFlag = loadFlag;
8645 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
8646 // print castling suffix
8647 if( toY == fromY && piece == king ) {
8649 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
8651 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
8654 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
8655 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
8656 boards[forwardMostMove][toY][toX] == EmptySquare
8657 && fromX != toX && fromY != toY)
8658 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
8660 if(promoChar != NULLCHAR)
8661 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
8663 fprintf(serverMoves, "/%d/%d",
8664 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
8665 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
8666 else timeLeft = blackTimeRemaining/1000;
8667 fprintf(serverMoves, "/%d", timeLeft);
8669 fflush(serverMoves);
8672 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
8673 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
8677 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
8678 if (commentList[forwardMostMove+1] != NULL) {
8679 free(commentList[forwardMostMove+1]);
8680 commentList[forwardMostMove+1] = NULL;
8682 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8683 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
8684 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
8685 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
8686 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
8687 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
8688 gameInfo.result = GameUnfinished;
8689 if (gameInfo.resultDetails != NULL) {
8690 free(gameInfo.resultDetails);
8691 gameInfo.resultDetails = NULL;
8693 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
8694 moveList[forwardMostMove - 1]);
8695 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
8696 PosFlags(forwardMostMove - 1),
8697 fromY, fromX, toY, toX, promoChar,
8698 parseList[forwardMostMove - 1]);
8699 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8705 if(gameInfo.variant != VariantShogi)
8706 strcat(parseList[forwardMostMove - 1], "+");
8710 strcat(parseList[forwardMostMove - 1], "#");
8713 if (appData.debugMode) {
8714 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
8719 /* Updates currentMove if not pausing */
8721 ShowMove(fromX, fromY, toX, toY)
8723 int instant = (gameMode == PlayFromGameFile) ?
8724 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
8725 if(appData.noGUI) return;
8726 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
8728 if (forwardMostMove == currentMove + 1) {
8729 AnimateMove(boards[forwardMostMove - 1],
8730 fromX, fromY, toX, toY);
8732 if (appData.highlightLastMove) {
8733 SetHighlights(fromX, fromY, toX, toY);
8736 currentMove = forwardMostMove;
8739 if (instant) return;
8741 DisplayMove(currentMove - 1);
8742 DrawPosition(FALSE, boards[currentMove]);
8743 DisplayBothClocks();
8744 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
8747 void SendEgtPath(ChessProgramState *cps)
8748 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
8749 char buf[MSG_SIZ], name[MSG_SIZ], *p;
8751 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
8754 char c, *q = name+1, *r, *s;
8756 name[0] = ','; // extract next format name from feature and copy with prefixed ','
8757 while(*p && *p != ',') *q++ = *p++;
8759 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
8760 strcmp(name, ",nalimov:") == 0 ) {
8761 // take nalimov path from the menu-changeable option first, if it is defined
8762 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
8763 SendToProgram(buf,cps); // send egtbpath command for nalimov
8765 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
8766 (s = StrStr(appData.egtFormats, name)) != NULL) {
8767 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
8768 s = r = StrStr(s, ":") + 1; // beginning of path info
8769 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
8770 c = *r; *r = 0; // temporarily null-terminate path info
8771 *--q = 0; // strip of trailig ':' from name
8772 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
8774 SendToProgram(buf,cps); // send egtbpath command for this format
8776 if(*p == ',') p++; // read away comma to position for next format name
8781 InitChessProgram(cps, setup)
8782 ChessProgramState *cps;
8783 int setup; /* [HGM] needed to setup FRC opening position */
8785 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
8786 if (appData.noChessProgram) return;
8787 hintRequested = FALSE;
8788 bookRequested = FALSE;
8790 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
8791 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
8792 if(cps->memSize) { /* [HGM] memory */
8793 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
8794 SendToProgram(buf, cps);
8796 SendEgtPath(cps); /* [HGM] EGT */
8797 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
8798 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
8799 SendToProgram(buf, cps);
8802 SendToProgram(cps->initString, cps);
8803 if (gameInfo.variant != VariantNormal &&
8804 gameInfo.variant != VariantLoadable
8805 /* [HGM] also send variant if board size non-standard */
8806 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
8808 char *v = VariantName(gameInfo.variant);
8809 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
8810 /* [HGM] in protocol 1 we have to assume all variants valid */
8811 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
8812 DisplayFatalError(buf, 0, 1);
8816 /* [HGM] make prefix for non-standard board size. Awkward testing... */
8817 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8818 if( gameInfo.variant == VariantXiangqi )
8819 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
8820 if( gameInfo.variant == VariantShogi )
8821 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
8822 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
8823 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
8824 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
8825 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
8826 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8827 if( gameInfo.variant == VariantCourier )
8828 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8829 if( gameInfo.variant == VariantSuper )
8830 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8831 if( gameInfo.variant == VariantGreat )
8832 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8835 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
8836 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
8837 /* [HGM] varsize: try first if this defiant size variant is specifically known */
8838 if(StrStr(cps->variants, b) == NULL) {
8839 // specific sized variant not known, check if general sizing allowed
8840 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
8841 if(StrStr(cps->variants, "boardsize") == NULL) {
8842 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
8843 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
8844 DisplayFatalError(buf, 0, 1);
8847 /* [HGM] here we really should compare with the maximum supported board size */
8850 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
8851 snprintf(buf, MSG_SIZ, "variant %s\n", b);
8852 SendToProgram(buf, cps);
8854 currentlyInitializedVariant = gameInfo.variant;
8856 /* [HGM] send opening position in FRC to first engine */
8858 SendToProgram("force\n", cps);
8860 /* engine is now in force mode! Set flag to wake it up after first move. */
8861 setboardSpoiledMachineBlack = 1;
8865 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
8866 SendToProgram(buf, cps);
8868 cps->maybeThinking = FALSE;
8869 cps->offeredDraw = 0;
8870 if (!appData.icsActive) {
8871 SendTimeControl(cps, movesPerSession, timeControl,
8872 timeIncrement, appData.searchDepth,
8875 if (appData.showThinking
8876 // [HGM] thinking: four options require thinking output to be sent
8877 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8879 SendToProgram("post\n", cps);
8881 SendToProgram("hard\n", cps);
8882 if (!appData.ponderNextMove) {
8883 /* Warning: "easy" is a toggle in GNU Chess, so don't send
8884 it without being sure what state we are in first. "hard"
8885 is not a toggle, so that one is OK.
8887 SendToProgram("easy\n", cps);
8890 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
8891 SendToProgram(buf, cps);
8893 cps->initDone = TRUE;
8898 StartChessProgram(cps)
8899 ChessProgramState *cps;
8904 if (appData.noChessProgram) return;
8905 cps->initDone = FALSE;
8907 if (strcmp(cps->host, "localhost") == 0) {
8908 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
8909 } else if (*appData.remoteShell == NULLCHAR) {
8910 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
8912 if (*appData.remoteUser == NULLCHAR) {
8913 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
8916 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
8917 cps->host, appData.remoteUser, cps->program);
8919 err = StartChildProcess(buf, "", &cps->pr);
8923 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
8924 DisplayFatalError(buf, err, 1);
8930 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
8931 if (cps->protocolVersion > 1) {
8932 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
8933 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
8934 cps->comboCnt = 0; // and values of combo boxes
8935 SendToProgram(buf, cps);
8937 SendToProgram("xboard\n", cps);
8943 TwoMachinesEventIfReady P((void))
8945 if (first.lastPing != first.lastPong) {
8946 DisplayMessage("", _("Waiting for first chess program"));
8947 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8950 if (second.lastPing != second.lastPong) {
8951 DisplayMessage("", _("Waiting for second chess program"));
8952 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8960 NextMatchGame P((void))
8962 int index; /* [HGM] autoinc: step load index during match */
8964 if (*appData.loadGameFile != NULLCHAR) {
8965 index = appData.loadGameIndex;
8966 if(index < 0) { // [HGM] autoinc
8967 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8968 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8970 LoadGameFromFile(appData.loadGameFile,
8972 appData.loadGameFile, FALSE);
8973 } else if (*appData.loadPositionFile != NULLCHAR) {
8974 index = appData.loadPositionIndex;
8975 if(index < 0) { // [HGM] autoinc
8976 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8977 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8979 LoadPositionFromFile(appData.loadPositionFile,
8981 appData.loadPositionFile);
8983 TwoMachinesEventIfReady();
8986 void UserAdjudicationEvent( int result )
8988 ChessMove gameResult = GameIsDrawn;
8991 gameResult = WhiteWins;
8993 else if( result < 0 ) {
8994 gameResult = BlackWins;
8997 if( gameMode == TwoMachinesPlay ) {
8998 GameEnds( gameResult, "User adjudication", GE_XBOARD );
9003 // [HGM] save: calculate checksum of game to make games easily identifiable
9004 int StringCheckSum(char *s)
9007 if(s==NULL) return 0;
9008 while(*s) i = i*259 + *s++;
9015 for(i=backwardMostMove; i<forwardMostMove; i++) {
9016 sum += pvInfoList[i].depth;
9017 sum += StringCheckSum(parseList[i]);
9018 sum += StringCheckSum(commentList[i]);
9021 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
9022 return sum + StringCheckSum(commentList[i]);
9023 } // end of save patch
9026 GameEnds(result, resultDetails, whosays)
9028 char *resultDetails;
9031 GameMode nextGameMode;
9033 char buf[MSG_SIZ], popupRequested = 0;
9035 if(endingGame) return; /* [HGM] crash: forbid recursion */
9037 if(twoBoards) { // [HGM] dual: switch back to one board
9038 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
9039 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
9041 if (appData.debugMode) {
9042 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
9043 result, resultDetails ? resultDetails : "(null)", whosays);
9046 fromX = fromY = -1; // [HGM] abort any move the user is entering.
9048 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
9049 /* If we are playing on ICS, the server decides when the
9050 game is over, but the engine can offer to draw, claim
9054 if (appData.zippyPlay && first.initDone) {
9055 if (result == GameIsDrawn) {
9056 /* In case draw still needs to be claimed */
9057 SendToICS(ics_prefix);
9058 SendToICS("draw\n");
9059 } else if (StrCaseStr(resultDetails, "resign")) {
9060 SendToICS(ics_prefix);
9061 SendToICS("resign\n");
9065 endingGame = 0; /* [HGM] crash */
9069 /* If we're loading the game from a file, stop */
9070 if (whosays == GE_FILE) {
9071 (void) StopLoadGameTimer();
9075 /* Cancel draw offers */
9076 first.offeredDraw = second.offeredDraw = 0;
9078 /* If this is an ICS game, only ICS can really say it's done;
9079 if not, anyone can. */
9080 isIcsGame = (gameMode == IcsPlayingWhite ||
9081 gameMode == IcsPlayingBlack ||
9082 gameMode == IcsObserving ||
9083 gameMode == IcsExamining);
9085 if (!isIcsGame || whosays == GE_ICS) {
9086 /* OK -- not an ICS game, or ICS said it was done */
9088 if (!isIcsGame && !appData.noChessProgram)
9089 SetUserThinkingEnables();
9091 /* [HGM] if a machine claims the game end we verify this claim */
9092 if(gameMode == TwoMachinesPlay && appData.testClaims) {
9093 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
9095 ChessMove trueResult = (ChessMove) -1;
9097 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
9098 first.twoMachinesColor[0] :
9099 second.twoMachinesColor[0] ;
9101 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
9102 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
9103 /* [HGM] verify: engine mate claims accepted if they were flagged */
9104 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
9106 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
9107 /* [HGM] verify: engine mate claims accepted if they were flagged */
9108 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
9110 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
9111 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
9114 // now verify win claims, but not in drop games, as we don't understand those yet
9115 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
9116 || gameInfo.variant == VariantGreat) &&
9117 (result == WhiteWins && claimer == 'w' ||
9118 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
9119 if (appData.debugMode) {
9120 fprintf(debugFP, "result=%d sp=%d move=%d\n",
9121 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
9123 if(result != trueResult) {
9124 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
9125 result = claimer == 'w' ? BlackWins : WhiteWins;
9126 resultDetails = buf;
9129 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
9130 && (forwardMostMove <= backwardMostMove ||
9131 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
9132 (claimer=='b')==(forwardMostMove&1))
9134 /* [HGM] verify: draws that were not flagged are false claims */
9135 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
9136 result = claimer == 'w' ? BlackWins : WhiteWins;
9137 resultDetails = buf;
9139 /* (Claiming a loss is accepted no questions asked!) */
9141 /* [HGM] bare: don't allow bare King to win */
9142 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
9143 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
9144 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
9145 && result != GameIsDrawn)
9146 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
9147 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
9148 int p = (signed char)boards[forwardMostMove][i][j] - color;
9149 if(p >= 0 && p <= (int)WhiteKing) k++;
9151 if (appData.debugMode) {
9152 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
9153 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
9156 result = GameIsDrawn;
9157 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
9158 resultDetails = buf;
9164 if(serverMoves != NULL && !loadFlag) { char c = '=';
9165 if(result==WhiteWins) c = '+';
9166 if(result==BlackWins) c = '-';
9167 if(resultDetails != NULL)
9168 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
9170 if (resultDetails != NULL) {
9171 gameInfo.result = result;
9172 gameInfo.resultDetails = StrSave(resultDetails);
9174 /* display last move only if game was not loaded from file */
9175 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
9176 DisplayMove(currentMove - 1);
9178 if (forwardMostMove != 0) {
9179 if (gameMode != PlayFromGameFile && gameMode != EditGame
9180 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
9182 if (*appData.saveGameFile != NULLCHAR) {
9183 SaveGameToFile(appData.saveGameFile, TRUE);
9184 } else if (appData.autoSaveGames) {
9187 if (*appData.savePositionFile != NULLCHAR) {
9188 SavePositionToFile(appData.savePositionFile);
9193 /* Tell program how game ended in case it is learning */
9194 /* [HGM] Moved this to after saving the PGN, just in case */
9195 /* engine died and we got here through time loss. In that */
9196 /* case we will get a fatal error writing the pipe, which */
9197 /* would otherwise lose us the PGN. */
9198 /* [HGM] crash: not needed anymore, but doesn't hurt; */
9199 /* output during GameEnds should never be fatal anymore */
9200 if (gameMode == MachinePlaysWhite ||
9201 gameMode == MachinePlaysBlack ||
9202 gameMode == TwoMachinesPlay ||
9203 gameMode == IcsPlayingWhite ||
9204 gameMode == IcsPlayingBlack ||
9205 gameMode == BeginningOfGame) {
9207 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
9209 if (first.pr != NoProc) {
9210 SendToProgram(buf, &first);
9212 if (second.pr != NoProc &&
9213 gameMode == TwoMachinesPlay) {
9214 SendToProgram(buf, &second);
9219 if (appData.icsActive) {
9220 if (appData.quietPlay &&
9221 (gameMode == IcsPlayingWhite ||
9222 gameMode == IcsPlayingBlack)) {
9223 SendToICS(ics_prefix);
9224 SendToICS("set shout 1\n");
9226 nextGameMode = IcsIdle;
9227 ics_user_moved = FALSE;
9228 /* clean up premove. It's ugly when the game has ended and the
9229 * premove highlights are still on the board.
9233 ClearPremoveHighlights();
9234 DrawPosition(FALSE, boards[currentMove]);
9236 if (whosays == GE_ICS) {
9239 if (gameMode == IcsPlayingWhite)
9241 else if(gameMode == IcsPlayingBlack)
9245 if (gameMode == IcsPlayingBlack)
9247 else if(gameMode == IcsPlayingWhite)
9254 PlayIcsUnfinishedSound();
9257 } else if (gameMode == EditGame ||
9258 gameMode == PlayFromGameFile ||
9259 gameMode == AnalyzeMode ||
9260 gameMode == AnalyzeFile) {
9261 nextGameMode = gameMode;
9263 nextGameMode = EndOfGame;
9268 nextGameMode = gameMode;
9271 if (appData.noChessProgram) {
9272 gameMode = nextGameMode;
9274 endingGame = 0; /* [HGM] crash */
9279 /* Put first chess program into idle state */
9280 if (first.pr != NoProc &&
9281 (gameMode == MachinePlaysWhite ||
9282 gameMode == MachinePlaysBlack ||
9283 gameMode == TwoMachinesPlay ||
9284 gameMode == IcsPlayingWhite ||
9285 gameMode == IcsPlayingBlack ||
9286 gameMode == BeginningOfGame)) {
9287 SendToProgram("force\n", &first);
9288 if (first.usePing) {
9290 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
9291 SendToProgram(buf, &first);
9294 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9295 /* Kill off first chess program */
9296 if (first.isr != NULL)
9297 RemoveInputSource(first.isr);
9300 if (first.pr != NoProc) {
9302 DoSleep( appData.delayBeforeQuit );
9303 SendToProgram("quit\n", &first);
9304 DoSleep( appData.delayAfterQuit );
9305 DestroyChildProcess(first.pr, first.useSigterm);
9310 /* Put second chess program into idle state */
9311 if (second.pr != NoProc &&
9312 gameMode == TwoMachinesPlay) {
9313 SendToProgram("force\n", &second);
9314 if (second.usePing) {
9316 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
9317 SendToProgram(buf, &second);
9320 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9321 /* Kill off second chess program */
9322 if (second.isr != NULL)
9323 RemoveInputSource(second.isr);
9326 if (second.pr != NoProc) {
9327 DoSleep( appData.delayBeforeQuit );
9328 SendToProgram("quit\n", &second);
9329 DoSleep( appData.delayAfterQuit );
9330 DestroyChildProcess(second.pr, second.useSigterm);
9335 if (matchMode && gameMode == TwoMachinesPlay) {
9338 if (first.twoMachinesColor[0] == 'w') {
9345 if (first.twoMachinesColor[0] == 'b') {
9354 if (matchGame < appData.matchGames) {
9356 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
9357 tmp = first.twoMachinesColor;
9358 first.twoMachinesColor = second.twoMachinesColor;
9359 second.twoMachinesColor = tmp;
9361 gameMode = nextGameMode;
9363 if(appData.matchPause>10000 || appData.matchPause<10)
9364 appData.matchPause = 10000; /* [HGM] make pause adjustable */
9365 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
9366 endingGame = 0; /* [HGM] crash */
9369 gameMode = nextGameMode;
9370 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
9371 first.tidy, second.tidy,
9372 first.matchWins, second.matchWins,
9373 appData.matchGames - (first.matchWins + second.matchWins));
9374 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
9377 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
9378 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
9380 gameMode = nextGameMode;
9382 endingGame = 0; /* [HGM] crash */
9383 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
9384 if(matchMode == TRUE) DisplayFatalError(buf, 0, 0); else {
9385 matchMode = FALSE; appData.matchGames = matchGame = 0;
9391 /* Assumes program was just initialized (initString sent).
9392 Leaves program in force mode. */
9394 FeedMovesToProgram(cps, upto)
9395 ChessProgramState *cps;
9400 if (appData.debugMode)
9401 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
9402 startedFromSetupPosition ? "position and " : "",
9403 backwardMostMove, upto, cps->which);
9404 if(currentlyInitializedVariant != gameInfo.variant) {
9406 // [HGM] variantswitch: make engine aware of new variant
9407 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
9408 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
9409 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
9410 SendToProgram(buf, cps);
9411 currentlyInitializedVariant = gameInfo.variant;
9413 SendToProgram("force\n", cps);
9414 if (startedFromSetupPosition) {
9415 SendBoard(cps, backwardMostMove);
9416 if (appData.debugMode) {
9417 fprintf(debugFP, "feedMoves\n");
9420 for (i = backwardMostMove; i < upto; i++) {
9421 SendMoveToProgram(i, cps);
9427 ResurrectChessProgram()
9429 /* The chess program may have exited.
9430 If so, restart it and feed it all the moves made so far. */
9432 if (appData.noChessProgram || first.pr != NoProc) return;
9434 StartChessProgram(&first);
9435 InitChessProgram(&first, FALSE);
9436 FeedMovesToProgram(&first, currentMove);
9438 if (!first.sendTime) {
9439 /* can't tell gnuchess what its clock should read,
9440 so we bow to its notion. */
9442 timeRemaining[0][currentMove] = whiteTimeRemaining;
9443 timeRemaining[1][currentMove] = blackTimeRemaining;
9446 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
9447 appData.icsEngineAnalyze) && first.analysisSupport) {
9448 SendToProgram("analyze\n", &first);
9449 first.analyzing = TRUE;
9462 if (appData.debugMode) {
9463 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
9464 redraw, init, gameMode);
9466 CleanupTail(); // [HGM] vari: delete any stored variations
9467 pausing = pauseExamInvalid = FALSE;
9468 startedFromSetupPosition = blackPlaysFirst = FALSE;
9470 whiteFlag = blackFlag = FALSE;
9471 userOfferedDraw = FALSE;
9472 hintRequested = bookRequested = FALSE;
9473 first.maybeThinking = FALSE;
9474 second.maybeThinking = FALSE;
9475 first.bookSuspend = FALSE; // [HGM] book
9476 second.bookSuspend = FALSE;
9477 thinkOutput[0] = NULLCHAR;
9478 lastHint[0] = NULLCHAR;
9479 ClearGameInfo(&gameInfo);
9480 gameInfo.variant = StringToVariant(appData.variant);
9481 ics_user_moved = ics_clock_paused = FALSE;
9482 ics_getting_history = H_FALSE;
9484 white_holding[0] = black_holding[0] = NULLCHAR;
9485 ClearProgramStats();
9486 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
9490 flipView = appData.flipView;
9491 ClearPremoveHighlights();
9493 alarmSounded = FALSE;
9495 GameEnds(EndOfFile, NULL, GE_PLAYER);
9496 if(appData.serverMovesName != NULL) {
9497 /* [HGM] prepare to make moves file for broadcasting */
9498 clock_t t = clock();
9499 if(serverMoves != NULL) fclose(serverMoves);
9500 serverMoves = fopen(appData.serverMovesName, "r");
9501 if(serverMoves != NULL) {
9502 fclose(serverMoves);
9503 /* delay 15 sec before overwriting, so all clients can see end */
9504 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
9506 serverMoves = fopen(appData.serverMovesName, "w");
9510 gameMode = BeginningOfGame;
9512 if(appData.icsActive) gameInfo.variant = VariantNormal;
9513 currentMove = forwardMostMove = backwardMostMove = 0;
9514 InitPosition(redraw);
9515 for (i = 0; i < MAX_MOVES; i++) {
9516 if (commentList[i] != NULL) {
9517 free(commentList[i]);
9518 commentList[i] = NULL;
9522 timeRemaining[0][0] = whiteTimeRemaining;
9523 timeRemaining[1][0] = blackTimeRemaining;
9524 if (first.pr == NULL) {
9525 StartChessProgram(&first);
9528 InitChessProgram(&first, startedFromSetupPosition);
9531 DisplayMessage("", "");
9532 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9533 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
9540 if (!AutoPlayOneMove())
9542 if (matchMode || appData.timeDelay == 0)
9544 if (appData.timeDelay < 0 || gameMode == AnalyzeFile)
9546 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
9555 int fromX, fromY, toX, toY;
9557 if (appData.debugMode) {
9558 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
9561 if (gameMode != PlayFromGameFile)
9564 if (currentMove >= forwardMostMove) {
9565 gameMode = EditGame;
9568 /* [AS] Clear current move marker at the end of a game */
9569 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
9574 toX = moveList[currentMove][2] - AAA;
9575 toY = moveList[currentMove][3] - ONE;
9577 if (moveList[currentMove][1] == '@') {
9578 if (appData.highlightLastMove) {
9579 SetHighlights(-1, -1, toX, toY);
9582 fromX = moveList[currentMove][0] - AAA;
9583 fromY = moveList[currentMove][1] - ONE;
9585 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
9587 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
9589 if (appData.highlightLastMove) {
9590 SetHighlights(fromX, fromY, toX, toY);
9593 DisplayMove(currentMove);
9594 SendMoveToProgram(currentMove++, &first);
9595 DisplayBothClocks();
9596 DrawPosition(FALSE, boards[currentMove]);
9597 // [HGM] PV info: always display, routine tests if empty
9598 DisplayComment(currentMove - 1, commentList[currentMove]);
9604 LoadGameOneMove(readAhead)
9605 ChessMove readAhead;
9607 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
9608 char promoChar = NULLCHAR;
9613 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
9614 gameMode != AnalyzeMode && gameMode != Training) {
9619 yyboardindex = forwardMostMove;
9620 if (readAhead != EndOfFile) {
9621 moveType = readAhead;
9623 if (gameFileFP == NULL)
9625 moveType = (ChessMove) yylex();
9631 if (appData.debugMode)
9632 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9635 /* append the comment but don't display it */
9636 AppendComment(currentMove, p, FALSE);
9639 case WhiteCapturesEnPassant:
9640 case BlackCapturesEnPassant:
9641 case WhitePromotion:
9642 case BlackPromotion:
9643 case WhiteNonPromotion:
9644 case BlackNonPromotion:
9646 case WhiteKingSideCastle:
9647 case WhiteQueenSideCastle:
9648 case BlackKingSideCastle:
9649 case BlackQueenSideCastle:
9650 case WhiteKingSideCastleWild:
9651 case WhiteQueenSideCastleWild:
9652 case BlackKingSideCastleWild:
9653 case BlackQueenSideCastleWild:
9655 case WhiteHSideCastleFR:
9656 case WhiteASideCastleFR:
9657 case BlackHSideCastleFR:
9658 case BlackASideCastleFR:
9660 if (appData.debugMode)
9661 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9662 fromX = currentMoveString[0] - AAA;
9663 fromY = currentMoveString[1] - ONE;
9664 toX = currentMoveString[2] - AAA;
9665 toY = currentMoveString[3] - ONE;
9666 promoChar = currentMoveString[4];
9671 if (appData.debugMode)
9672 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9673 fromX = moveType == WhiteDrop ?
9674 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9675 (int) CharToPiece(ToLower(currentMoveString[0]));
9677 toX = currentMoveString[2] - AAA;
9678 toY = currentMoveString[3] - ONE;
9684 case GameUnfinished:
9685 if (appData.debugMode)
9686 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
9687 p = strchr(yy_text, '{');
9688 if (p == NULL) p = strchr(yy_text, '(');
9691 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9693 q = strchr(p, *p == '{' ? '}' : ')');
9694 if (q != NULL) *q = NULLCHAR;
9697 GameEnds(moveType, p, GE_FILE);
9699 if (cmailMsgLoaded) {
9701 flipView = WhiteOnMove(currentMove);
9702 if (moveType == GameUnfinished) flipView = !flipView;
9703 if (appData.debugMode)
9704 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
9709 if (appData.debugMode)
9710 fprintf(debugFP, "Parser hit end of file\n");
9711 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9717 if (WhiteOnMove(currentMove)) {
9718 GameEnds(BlackWins, "Black mates", GE_FILE);
9720 GameEnds(WhiteWins, "White mates", GE_FILE);
9724 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9731 if (lastLoadGameStart == GNUChessGame) {
9732 /* GNUChessGames have numbers, but they aren't move numbers */
9733 if (appData.debugMode)
9734 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9735 yy_text, (int) moveType);
9736 return LoadGameOneMove(EndOfFile); /* tail recursion */
9738 /* else fall thru */
9743 /* Reached start of next game in file */
9744 if (appData.debugMode)
9745 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
9746 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9752 if (WhiteOnMove(currentMove)) {
9753 GameEnds(BlackWins, "Black mates", GE_FILE);
9755 GameEnds(WhiteWins, "White mates", GE_FILE);
9759 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9765 case PositionDiagram: /* should not happen; ignore */
9766 case ElapsedTime: /* ignore */
9767 case NAG: /* ignore */
9768 if (appData.debugMode)
9769 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9770 yy_text, (int) moveType);
9771 return LoadGameOneMove(EndOfFile); /* tail recursion */
9774 if (appData.testLegality) {
9775 if (appData.debugMode)
9776 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
9777 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
9778 (forwardMostMove / 2) + 1,
9779 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9780 DisplayError(move, 0);
9783 if (appData.debugMode)
9784 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
9785 yy_text, currentMoveString);
9786 fromX = currentMoveString[0] - AAA;
9787 fromY = currentMoveString[1] - ONE;
9788 toX = currentMoveString[2] - AAA;
9789 toY = currentMoveString[3] - ONE;
9790 promoChar = currentMoveString[4];
9795 if (appData.debugMode)
9796 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
9797 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
9798 (forwardMostMove / 2) + 1,
9799 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9800 DisplayError(move, 0);
9805 case ImpossibleMove:
9806 if (appData.debugMode)
9807 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
9808 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
9809 (forwardMostMove / 2) + 1,
9810 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9811 DisplayError(move, 0);
9817 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
9818 DrawPosition(FALSE, boards[currentMove]);
9819 DisplayBothClocks();
9820 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
9821 DisplayComment(currentMove - 1, commentList[currentMove]);
9823 (void) StopLoadGameTimer();
9825 cmailOldMove = forwardMostMove;
9828 /* currentMoveString is set as a side-effect of yylex */
9829 strcat(currentMoveString, "\n");
9830 safeStrCpy(moveList[forwardMostMove], currentMoveString, sizeof(moveList[forwardMostMove])/sizeof(moveList[forwardMostMove][0]));
9832 thinkOutput[0] = NULLCHAR;
9833 MakeMove(fromX, fromY, toX, toY, promoChar);
9834 currentMove = forwardMostMove;
9839 /* Load the nth game from the given file */
9841 LoadGameFromFile(filename, n, title, useList)
9845 /*Boolean*/ int useList;
9850 if (strcmp(filename, "-") == 0) {
9854 f = fopen(filename, "rb");
9856 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9857 DisplayError(buf, errno);
9861 if (fseek(f, 0, 0) == -1) {
9862 /* f is not seekable; probably a pipe */
9865 if (useList && n == 0) {
9866 int error = GameListBuild(f);
9868 DisplayError(_("Cannot build game list"), error);
9869 } else if (!ListEmpty(&gameList) &&
9870 ((ListGame *) gameList.tailPred)->number > 1) {
9871 GameListPopUp(f, title);
9878 return LoadGame(f, n, title, FALSE);
9883 MakeRegisteredMove()
9885 int fromX, fromY, toX, toY;
9887 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9888 switch (cmailMoveType[lastLoadGameNumber - 1]) {
9891 if (appData.debugMode)
9892 fprintf(debugFP, "Restoring %s for game %d\n",
9893 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
9895 thinkOutput[0] = NULLCHAR;
9896 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
9897 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
9898 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
9899 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
9900 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
9901 promoChar = cmailMove[lastLoadGameNumber - 1][4];
9902 MakeMove(fromX, fromY, toX, toY, promoChar);
9903 ShowMove(fromX, fromY, toX, toY);
9905 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9912 if (WhiteOnMove(currentMove)) {
9913 GameEnds(BlackWins, "Black mates", GE_PLAYER);
9915 GameEnds(WhiteWins, "White mates", GE_PLAYER);
9920 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
9927 if (WhiteOnMove(currentMove)) {
9928 GameEnds(BlackWins, "White resigns", GE_PLAYER);
9930 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
9935 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
9946 /* Wrapper around LoadGame for use when a Cmail message is loaded */
9948 CmailLoadGame(f, gameNumber, title, useList)
9956 if (gameNumber > nCmailGames) {
9957 DisplayError(_("No more games in this message"), 0);
9960 if (f == lastLoadGameFP) {
9961 int offset = gameNumber - lastLoadGameNumber;
9963 cmailMsg[0] = NULLCHAR;
9964 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9965 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
9966 nCmailMovesRegistered--;
9968 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
9969 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
9970 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
9973 if (! RegisterMove()) return FALSE;
9977 retVal = LoadGame(f, gameNumber, title, useList);
9979 /* Make move registered during previous look at this game, if any */
9980 MakeRegisteredMove();
9982 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
9983 commentList[currentMove]
9984 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
9985 DisplayComment(currentMove - 1, commentList[currentMove]);
9991 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
9996 int gameNumber = lastLoadGameNumber + offset;
9997 if (lastLoadGameFP == NULL) {
9998 DisplayError(_("No game has been loaded yet"), 0);
10001 if (gameNumber <= 0) {
10002 DisplayError(_("Can't back up any further"), 0);
10005 if (cmailMsgLoaded) {
10006 return CmailLoadGame(lastLoadGameFP, gameNumber,
10007 lastLoadGameTitle, lastLoadGameUseList);
10009 return LoadGame(lastLoadGameFP, gameNumber,
10010 lastLoadGameTitle, lastLoadGameUseList);
10016 /* Load the nth game from open file f */
10018 LoadGame(f, gameNumber, title, useList)
10026 int gn = gameNumber;
10027 ListGame *lg = NULL;
10028 int numPGNTags = 0;
10030 GameMode oldGameMode;
10031 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
10033 if (appData.debugMode)
10034 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
10036 if (gameMode == Training )
10037 SetTrainingModeOff();
10039 oldGameMode = gameMode;
10040 if (gameMode != BeginningOfGame) {
10041 Reset(FALSE, TRUE);
10045 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
10046 fclose(lastLoadGameFP);
10050 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
10053 fseek(f, lg->offset, 0);
10054 GameListHighlight(gameNumber);
10058 DisplayError(_("Game number out of range"), 0);
10063 if (fseek(f, 0, 0) == -1) {
10064 if (f == lastLoadGameFP ?
10065 gameNumber == lastLoadGameNumber + 1 :
10069 DisplayError(_("Can't seek on game file"), 0);
10074 lastLoadGameFP = f;
10075 lastLoadGameNumber = gameNumber;
10076 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
10077 lastLoadGameUseList = useList;
10081 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
10082 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
10083 lg->gameInfo.black);
10085 } else if (*title != NULLCHAR) {
10086 if (gameNumber > 1) {
10087 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
10090 DisplayTitle(title);
10094 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
10095 gameMode = PlayFromGameFile;
10099 currentMove = forwardMostMove = backwardMostMove = 0;
10100 CopyBoard(boards[0], initialPosition);
10104 * Skip the first gn-1 games in the file.
10105 * Also skip over anything that precedes an identifiable
10106 * start of game marker, to avoid being confused by
10107 * garbage at the start of the file. Currently
10108 * recognized start of game markers are the move number "1",
10109 * the pattern "gnuchess .* game", the pattern
10110 * "^[#;%] [^ ]* game file", and a PGN tag block.
10111 * A game that starts with one of the latter two patterns
10112 * will also have a move number 1, possibly
10113 * following a position diagram.
10114 * 5-4-02: Let's try being more lenient and allowing a game to
10115 * start with an unnumbered move. Does that break anything?
10117 cm = lastLoadGameStart = EndOfFile;
10119 yyboardindex = forwardMostMove;
10120 cm = (ChessMove) yylex();
10123 if (cmailMsgLoaded) {
10124 nCmailGames = CMAIL_MAX_GAMES - gn;
10127 DisplayError(_("Game not found in file"), 0);
10134 lastLoadGameStart = cm;
10137 case MoveNumberOne:
10138 switch (lastLoadGameStart) {
10143 case MoveNumberOne:
10145 gn--; /* count this game */
10146 lastLoadGameStart = cm;
10155 switch (lastLoadGameStart) {
10158 case MoveNumberOne:
10160 gn--; /* count this game */
10161 lastLoadGameStart = cm;
10164 lastLoadGameStart = cm; /* game counted already */
10172 yyboardindex = forwardMostMove;
10173 cm = (ChessMove) yylex();
10174 } while (cm == PGNTag || cm == Comment);
10181 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
10182 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
10183 != CMAIL_OLD_RESULT) {
10185 cmailResult[ CMAIL_MAX_GAMES
10186 - gn - 1] = CMAIL_OLD_RESULT;
10192 /* Only a NormalMove can be at the start of a game
10193 * without a position diagram. */
10194 if (lastLoadGameStart == EndOfFile ) {
10196 lastLoadGameStart = MoveNumberOne;
10205 if (appData.debugMode)
10206 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
10208 if (cm == XBoardGame) {
10209 /* Skip any header junk before position diagram and/or move 1 */
10211 yyboardindex = forwardMostMove;
10212 cm = (ChessMove) yylex();
10214 if (cm == EndOfFile ||
10215 cm == GNUChessGame || cm == XBoardGame) {
10216 /* Empty game; pretend end-of-file and handle later */
10221 if (cm == MoveNumberOne || cm == PositionDiagram ||
10222 cm == PGNTag || cm == Comment)
10225 } else if (cm == GNUChessGame) {
10226 if (gameInfo.event != NULL) {
10227 free(gameInfo.event);
10229 gameInfo.event = StrSave(yy_text);
10232 startedFromSetupPosition = FALSE;
10233 while (cm == PGNTag) {
10234 if (appData.debugMode)
10235 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
10236 err = ParsePGNTag(yy_text, &gameInfo);
10237 if (!err) numPGNTags++;
10239 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
10240 if(gameInfo.variant != oldVariant) {
10241 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
10242 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
10243 InitPosition(TRUE);
10244 oldVariant = gameInfo.variant;
10245 if (appData.debugMode)
10246 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
10250 if (gameInfo.fen != NULL) {
10251 Board initial_position;
10252 startedFromSetupPosition = TRUE;
10253 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
10255 DisplayError(_("Bad FEN position in file"), 0);
10258 CopyBoard(boards[0], initial_position);
10259 if (blackPlaysFirst) {
10260 currentMove = forwardMostMove = backwardMostMove = 1;
10261 CopyBoard(boards[1], initial_position);
10262 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10263 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10264 timeRemaining[0][1] = whiteTimeRemaining;
10265 timeRemaining[1][1] = blackTimeRemaining;
10266 if (commentList[0] != NULL) {
10267 commentList[1] = commentList[0];
10268 commentList[0] = NULL;
10271 currentMove = forwardMostMove = backwardMostMove = 0;
10273 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
10275 initialRulePlies = FENrulePlies;
10276 for( i=0; i< nrCastlingRights; i++ )
10277 initialRights[i] = initial_position[CASTLING][i];
10279 yyboardindex = forwardMostMove;
10280 free(gameInfo.fen);
10281 gameInfo.fen = NULL;
10284 yyboardindex = forwardMostMove;
10285 cm = (ChessMove) yylex();
10287 /* Handle comments interspersed among the tags */
10288 while (cm == Comment) {
10290 if (appData.debugMode)
10291 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10293 AppendComment(currentMove, p, FALSE);
10294 yyboardindex = forwardMostMove;
10295 cm = (ChessMove) yylex();
10299 /* don't rely on existence of Event tag since if game was
10300 * pasted from clipboard the Event tag may not exist
10302 if (numPGNTags > 0){
10304 if (gameInfo.variant == VariantNormal) {
10305 VariantClass v = StringToVariant(gameInfo.event);
10306 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
10307 if(v < VariantShogi) gameInfo.variant = v;
10310 if( appData.autoDisplayTags ) {
10311 tags = PGNTags(&gameInfo);
10312 TagsPopUp(tags, CmailMsg());
10317 /* Make something up, but don't display it now */
10322 if (cm == PositionDiagram) {
10325 Board initial_position;
10327 if (appData.debugMode)
10328 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
10330 if (!startedFromSetupPosition) {
10332 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
10333 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
10343 initial_position[i][j++] = CharToPiece(*p);
10346 while (*p == ' ' || *p == '\t' ||
10347 *p == '\n' || *p == '\r') p++;
10349 if (strncmp(p, "black", strlen("black"))==0)
10350 blackPlaysFirst = TRUE;
10352 blackPlaysFirst = FALSE;
10353 startedFromSetupPosition = TRUE;
10355 CopyBoard(boards[0], initial_position);
10356 if (blackPlaysFirst) {
10357 currentMove = forwardMostMove = backwardMostMove = 1;
10358 CopyBoard(boards[1], initial_position);
10359 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10360 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10361 timeRemaining[0][1] = whiteTimeRemaining;
10362 timeRemaining[1][1] = blackTimeRemaining;
10363 if (commentList[0] != NULL) {
10364 commentList[1] = commentList[0];
10365 commentList[0] = NULL;
10368 currentMove = forwardMostMove = backwardMostMove = 0;
10371 yyboardindex = forwardMostMove;
10372 cm = (ChessMove) yylex();
10375 if (first.pr == NoProc) {
10376 StartChessProgram(&first);
10378 InitChessProgram(&first, FALSE);
10379 SendToProgram("force\n", &first);
10380 if (startedFromSetupPosition) {
10381 SendBoard(&first, forwardMostMove);
10382 if (appData.debugMode) {
10383 fprintf(debugFP, "Load Game\n");
10385 DisplayBothClocks();
10388 /* [HGM] server: flag to write setup moves in broadcast file as one */
10389 loadFlag = appData.suppressLoadMoves;
10391 while (cm == Comment) {
10393 if (appData.debugMode)
10394 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10396 AppendComment(currentMove, p, FALSE);
10397 yyboardindex = forwardMostMove;
10398 cm = (ChessMove) yylex();
10401 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
10402 cm == WhiteWins || cm == BlackWins ||
10403 cm == GameIsDrawn || cm == GameUnfinished) {
10404 DisplayMessage("", _("No moves in game"));
10405 if (cmailMsgLoaded) {
10406 if (appData.debugMode)
10407 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
10411 DrawPosition(FALSE, boards[currentMove]);
10412 DisplayBothClocks();
10413 gameMode = EditGame;
10420 // [HGM] PV info: routine tests if comment empty
10421 if (!matchMode && (pausing || appData.timeDelay != 0)) {
10422 DisplayComment(currentMove - 1, commentList[currentMove]);
10424 if (!matchMode && appData.timeDelay != 0)
10425 DrawPosition(FALSE, boards[currentMove]);
10427 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
10428 programStats.ok_to_send = 1;
10431 /* if the first token after the PGN tags is a move
10432 * and not move number 1, retrieve it from the parser
10434 if (cm != MoveNumberOne)
10435 LoadGameOneMove(cm);
10437 /* load the remaining moves from the file */
10438 while (LoadGameOneMove(EndOfFile)) {
10439 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10440 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10443 /* rewind to the start of the game */
10444 currentMove = backwardMostMove;
10446 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10448 if (oldGameMode == AnalyzeFile ||
10449 oldGameMode == AnalyzeMode) {
10450 AnalyzeFileEvent();
10453 if (matchMode || appData.timeDelay == 0) {
10455 gameMode = EditGame;
10457 } else if (appData.timeDelay > 0) {
10458 AutoPlayGameLoop();
10461 if (appData.debugMode)
10462 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
10464 loadFlag = 0; /* [HGM] true game starts */
10468 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
10470 ReloadPosition(offset)
10473 int positionNumber = lastLoadPositionNumber + offset;
10474 if (lastLoadPositionFP == NULL) {
10475 DisplayError(_("No position has been loaded yet"), 0);
10478 if (positionNumber <= 0) {
10479 DisplayError(_("Can't back up any further"), 0);
10482 return LoadPosition(lastLoadPositionFP, positionNumber,
10483 lastLoadPositionTitle);
10486 /* Load the nth position from the given file */
10488 LoadPositionFromFile(filename, n, title)
10496 if (strcmp(filename, "-") == 0) {
10497 return LoadPosition(stdin, n, "stdin");
10499 f = fopen(filename, "rb");
10501 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10502 DisplayError(buf, errno);
10505 return LoadPosition(f, n, title);
10510 /* Load the nth position from the given open file, and close it */
10512 LoadPosition(f, positionNumber, title)
10514 int positionNumber;
10517 char *p, line[MSG_SIZ];
10518 Board initial_position;
10519 int i, j, fenMode, pn;
10521 if (gameMode == Training )
10522 SetTrainingModeOff();
10524 if (gameMode != BeginningOfGame) {
10525 Reset(FALSE, TRUE);
10527 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
10528 fclose(lastLoadPositionFP);
10530 if (positionNumber == 0) positionNumber = 1;
10531 lastLoadPositionFP = f;
10532 lastLoadPositionNumber = positionNumber;
10533 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
10534 if (first.pr == NoProc) {
10535 StartChessProgram(&first);
10536 InitChessProgram(&first, FALSE);
10538 pn = positionNumber;
10539 if (positionNumber < 0) {
10540 /* Negative position number means to seek to that byte offset */
10541 if (fseek(f, -positionNumber, 0) == -1) {
10542 DisplayError(_("Can't seek on position file"), 0);
10547 if (fseek(f, 0, 0) == -1) {
10548 if (f == lastLoadPositionFP ?
10549 positionNumber == lastLoadPositionNumber + 1 :
10550 positionNumber == 1) {
10553 DisplayError(_("Can't seek on position file"), 0);
10558 /* See if this file is FEN or old-style xboard */
10559 if (fgets(line, MSG_SIZ, f) == NULL) {
10560 DisplayError(_("Position not found in file"), 0);
10563 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
10564 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
10567 if (fenMode || line[0] == '#') pn--;
10569 /* skip positions before number pn */
10570 if (fgets(line, MSG_SIZ, f) == NULL) {
10572 DisplayError(_("Position not found in file"), 0);
10575 if (fenMode || line[0] == '#') pn--;
10580 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
10581 DisplayError(_("Bad FEN position in file"), 0);
10585 (void) fgets(line, MSG_SIZ, f);
10586 (void) fgets(line, MSG_SIZ, f);
10588 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
10589 (void) fgets(line, MSG_SIZ, f);
10590 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
10593 initial_position[i][j++] = CharToPiece(*p);
10597 blackPlaysFirst = FALSE;
10599 (void) fgets(line, MSG_SIZ, f);
10600 if (strncmp(line, "black", strlen("black"))==0)
10601 blackPlaysFirst = TRUE;
10604 startedFromSetupPosition = TRUE;
10606 SendToProgram("force\n", &first);
10607 CopyBoard(boards[0], initial_position);
10608 if (blackPlaysFirst) {
10609 currentMove = forwardMostMove = backwardMostMove = 1;
10610 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10611 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10612 CopyBoard(boards[1], initial_position);
10613 DisplayMessage("", _("Black to play"));
10615 currentMove = forwardMostMove = backwardMostMove = 0;
10616 DisplayMessage("", _("White to play"));
10618 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
10619 SendBoard(&first, forwardMostMove);
10620 if (appData.debugMode) {
10622 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
10623 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
10624 fprintf(debugFP, "Load Position\n");
10627 if (positionNumber > 1) {
10628 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
10629 DisplayTitle(line);
10631 DisplayTitle(title);
10633 gameMode = EditGame;
10636 timeRemaining[0][1] = whiteTimeRemaining;
10637 timeRemaining[1][1] = blackTimeRemaining;
10638 DrawPosition(FALSE, boards[currentMove]);
10645 CopyPlayerNameIntoFileName(dest, src)
10648 while (*src != NULLCHAR && *src != ',') {
10653 *(*dest)++ = *src++;
10658 char *DefaultFileName(ext)
10661 static char def[MSG_SIZ];
10664 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
10666 CopyPlayerNameIntoFileName(&p, gameInfo.white);
10668 CopyPlayerNameIntoFileName(&p, gameInfo.black);
10670 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
10677 /* Save the current game to the given file */
10679 SaveGameToFile(filename, append)
10686 if (strcmp(filename, "-") == 0) {
10687 return SaveGame(stdout, 0, NULL);
10689 f = fopen(filename, append ? "a" : "w");
10691 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10692 DisplayError(buf, errno);
10695 return SaveGame(f, 0, NULL);
10704 static char buf[MSG_SIZ];
10707 p = strchr(str, ' ');
10708 if (p == NULL) return str;
10709 strncpy(buf, str, p - str);
10710 buf[p - str] = NULLCHAR;
10714 #define PGN_MAX_LINE 75
10716 #define PGN_SIDE_WHITE 0
10717 #define PGN_SIDE_BLACK 1
10720 static int FindFirstMoveOutOfBook( int side )
10724 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
10725 int index = backwardMostMove;
10726 int has_book_hit = 0;
10728 if( (index % 2) != side ) {
10732 while( index < forwardMostMove ) {
10733 /* Check to see if engine is in book */
10734 int depth = pvInfoList[index].depth;
10735 int score = pvInfoList[index].score;
10741 else if( score == 0 && depth == 63 ) {
10742 in_book = 1; /* Zappa */
10744 else if( score == 2 && depth == 99 ) {
10745 in_book = 1; /* Abrok */
10748 has_book_hit += in_book;
10764 void GetOutOfBookInfo( char * buf )
10768 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10770 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
10771 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
10775 if( oob[0] >= 0 || oob[1] >= 0 ) {
10776 for( i=0; i<2; i++ ) {
10780 if( i > 0 && oob[0] >= 0 ) {
10781 strcat( buf, " " );
10784 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
10785 sprintf( buf+strlen(buf), "%s%.2f",
10786 pvInfoList[idx].score >= 0 ? "+" : "",
10787 pvInfoList[idx].score / 100.0 );
10793 /* Save game in PGN style and close the file */
10798 int i, offset, linelen, newblock;
10802 int movelen, numlen, blank;
10803 char move_buffer[100]; /* [AS] Buffer for move+PV info */
10805 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10807 tm = time((time_t *) NULL);
10809 PrintPGNTags(f, &gameInfo);
10811 if (backwardMostMove > 0 || startedFromSetupPosition) {
10812 char *fen = PositionToFEN(backwardMostMove, NULL);
10813 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
10814 fprintf(f, "\n{--------------\n");
10815 PrintPosition(f, backwardMostMove);
10816 fprintf(f, "--------------}\n");
10820 /* [AS] Out of book annotation */
10821 if( appData.saveOutOfBookInfo ) {
10824 GetOutOfBookInfo( buf );
10826 if( buf[0] != '\0' ) {
10827 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
10834 i = backwardMostMove;
10838 while (i < forwardMostMove) {
10839 /* Print comments preceding this move */
10840 if (commentList[i] != NULL) {
10841 if (linelen > 0) fprintf(f, "\n");
10842 fprintf(f, "%s", commentList[i]);
10847 /* Format move number */
10849 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
10852 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
10854 numtext[0] = NULLCHAR;
10856 numlen = strlen(numtext);
10859 /* Print move number */
10860 blank = linelen > 0 && numlen > 0;
10861 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
10870 fprintf(f, "%s", numtext);
10874 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
10875 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
10878 blank = linelen > 0 && movelen > 0;
10879 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10888 fprintf(f, "%s", move_buffer);
10889 linelen += movelen;
10891 /* [AS] Add PV info if present */
10892 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
10893 /* [HGM] add time */
10894 char buf[MSG_SIZ]; int seconds;
10896 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
10902 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
10905 seconds = (seconds + 4)/10; // round to full seconds
10907 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
10909 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
10912 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
10913 pvInfoList[i].score >= 0 ? "+" : "",
10914 pvInfoList[i].score / 100.0,
10915 pvInfoList[i].depth,
10918 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
10920 /* Print score/depth */
10921 blank = linelen > 0 && movelen > 0;
10922 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10931 fprintf(f, "%s", move_buffer);
10932 linelen += movelen;
10938 /* Start a new line */
10939 if (linelen > 0) fprintf(f, "\n");
10941 /* Print comments after last move */
10942 if (commentList[i] != NULL) {
10943 fprintf(f, "%s\n", commentList[i]);
10947 if (gameInfo.resultDetails != NULL &&
10948 gameInfo.resultDetails[0] != NULLCHAR) {
10949 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
10950 PGNResult(gameInfo.result));
10952 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10956 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10960 /* Save game in old style and close the file */
10962 SaveGameOldStyle(f)
10968 tm = time((time_t *) NULL);
10970 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
10973 if (backwardMostMove > 0 || startedFromSetupPosition) {
10974 fprintf(f, "\n[--------------\n");
10975 PrintPosition(f, backwardMostMove);
10976 fprintf(f, "--------------]\n");
10981 i = backwardMostMove;
10982 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10984 while (i < forwardMostMove) {
10985 if (commentList[i] != NULL) {
10986 fprintf(f, "[%s]\n", commentList[i]);
10989 if ((i % 2) == 1) {
10990 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
10993 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
10995 if (commentList[i] != NULL) {
10999 if (i >= forwardMostMove) {
11003 fprintf(f, "%s\n", parseList[i]);
11008 if (commentList[i] != NULL) {
11009 fprintf(f, "[%s]\n", commentList[i]);
11012 /* This isn't really the old style, but it's close enough */
11013 if (gameInfo.resultDetails != NULL &&
11014 gameInfo.resultDetails[0] != NULLCHAR) {
11015 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
11016 gameInfo.resultDetails);
11018 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11025 /* Save the current game to open file f and close the file */
11027 SaveGame(f, dummy, dummy2)
11032 if (gameMode == EditPosition) EditPositionDone(TRUE);
11033 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11034 if (appData.oldSaveStyle)
11035 return SaveGameOldStyle(f);
11037 return SaveGamePGN(f);
11040 /* Save the current position to the given file */
11042 SavePositionToFile(filename)
11048 if (strcmp(filename, "-") == 0) {
11049 return SavePosition(stdout, 0, NULL);
11051 f = fopen(filename, "a");
11053 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11054 DisplayError(buf, errno);
11057 SavePosition(f, 0, NULL);
11063 /* Save the current position to the given open file and close the file */
11065 SavePosition(f, dummy, dummy2)
11073 if (gameMode == EditPosition) EditPositionDone(TRUE);
11074 if (appData.oldSaveStyle) {
11075 tm = time((time_t *) NULL);
11077 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
11079 fprintf(f, "[--------------\n");
11080 PrintPosition(f, currentMove);
11081 fprintf(f, "--------------]\n");
11083 fen = PositionToFEN(currentMove, NULL);
11084 fprintf(f, "%s\n", fen);
11092 ReloadCmailMsgEvent(unregister)
11096 static char *inFilename = NULL;
11097 static char *outFilename;
11099 struct stat inbuf, outbuf;
11102 /* Any registered moves are unregistered if unregister is set, */
11103 /* i.e. invoked by the signal handler */
11105 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11106 cmailMoveRegistered[i] = FALSE;
11107 if (cmailCommentList[i] != NULL) {
11108 free(cmailCommentList[i]);
11109 cmailCommentList[i] = NULL;
11112 nCmailMovesRegistered = 0;
11115 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11116 cmailResult[i] = CMAIL_NOT_RESULT;
11120 if (inFilename == NULL) {
11121 /* Because the filenames are static they only get malloced once */
11122 /* and they never get freed */
11123 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
11124 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
11126 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
11127 sprintf(outFilename, "%s.out", appData.cmailGameName);
11130 status = stat(outFilename, &outbuf);
11132 cmailMailedMove = FALSE;
11134 status = stat(inFilename, &inbuf);
11135 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
11138 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
11139 counts the games, notes how each one terminated, etc.
11141 It would be nice to remove this kludge and instead gather all
11142 the information while building the game list. (And to keep it
11143 in the game list nodes instead of having a bunch of fixed-size
11144 parallel arrays.) Note this will require getting each game's
11145 termination from the PGN tags, as the game list builder does
11146 not process the game moves. --mann
11148 cmailMsgLoaded = TRUE;
11149 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
11151 /* Load first game in the file or popup game menu */
11152 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
11154 #endif /* !WIN32 */
11162 char string[MSG_SIZ];
11164 if ( cmailMailedMove
11165 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
11166 return TRUE; /* Allow free viewing */
11169 /* Unregister move to ensure that we don't leave RegisterMove */
11170 /* with the move registered when the conditions for registering no */
11172 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11173 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11174 nCmailMovesRegistered --;
11176 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
11178 free(cmailCommentList[lastLoadGameNumber - 1]);
11179 cmailCommentList[lastLoadGameNumber - 1] = NULL;
11183 if (cmailOldMove == -1) {
11184 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
11188 if (currentMove > cmailOldMove + 1) {
11189 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
11193 if (currentMove < cmailOldMove) {
11194 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
11198 if (forwardMostMove > currentMove) {
11199 /* Silently truncate extra moves */
11203 if ( (currentMove == cmailOldMove + 1)
11204 || ( (currentMove == cmailOldMove)
11205 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
11206 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
11207 if (gameInfo.result != GameUnfinished) {
11208 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
11211 if (commentList[currentMove] != NULL) {
11212 cmailCommentList[lastLoadGameNumber - 1]
11213 = StrSave(commentList[currentMove]);
11215 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
11217 if (appData.debugMode)
11218 fprintf(debugFP, "Saving %s for game %d\n",
11219 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11221 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
11223 f = fopen(string, "w");
11224 if (appData.oldSaveStyle) {
11225 SaveGameOldStyle(f); /* also closes the file */
11227 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
11228 f = fopen(string, "w");
11229 SavePosition(f, 0, NULL); /* also closes the file */
11231 fprintf(f, "{--------------\n");
11232 PrintPosition(f, currentMove);
11233 fprintf(f, "--------------}\n\n");
11235 SaveGame(f, 0, NULL); /* also closes the file*/
11238 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
11239 nCmailMovesRegistered ++;
11240 } else if (nCmailGames == 1) {
11241 DisplayError(_("You have not made a move yet"), 0);
11252 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
11253 FILE *commandOutput;
11254 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
11255 int nBytes = 0; /* Suppress warnings on uninitialized variables */
11261 if (! cmailMsgLoaded) {
11262 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
11266 if (nCmailGames == nCmailResults) {
11267 DisplayError(_("No unfinished games"), 0);
11271 #if CMAIL_PROHIBIT_REMAIL
11272 if (cmailMailedMove) {
11273 snprintf(msg, MSG_SIZ, _("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);
11274 DisplayError(msg, 0);
11279 if (! (cmailMailedMove || RegisterMove())) return;
11281 if ( cmailMailedMove
11282 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
11283 snprintf(string, MSG_SIZ, partCommandString,
11284 appData.debugMode ? " -v" : "", appData.cmailGameName);
11285 commandOutput = popen(string, "r");
11287 if (commandOutput == NULL) {
11288 DisplayError(_("Failed to invoke cmail"), 0);
11290 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
11291 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
11293 if (nBuffers > 1) {
11294 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
11295 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
11296 nBytes = MSG_SIZ - 1;
11298 (void) memcpy(msg, buffer, nBytes);
11300 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
11302 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
11303 cmailMailedMove = TRUE; /* Prevent >1 moves */
11306 for (i = 0; i < nCmailGames; i ++) {
11307 if (cmailResult[i] == CMAIL_NOT_RESULT) {
11312 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
11314 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
11316 appData.cmailGameName,
11318 LoadGameFromFile(buffer, 1, buffer, FALSE);
11319 cmailMsgLoaded = FALSE;
11323 DisplayInformation(msg);
11324 pclose(commandOutput);
11327 if ((*cmailMsg) != '\0') {
11328 DisplayInformation(cmailMsg);
11333 #endif /* !WIN32 */
11342 int prependComma = 0;
11344 char string[MSG_SIZ]; /* Space for game-list */
11347 if (!cmailMsgLoaded) return "";
11349 if (cmailMailedMove) {
11350 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
11352 /* Create a list of games left */
11353 snprintf(string, MSG_SIZ, "[");
11354 for (i = 0; i < nCmailGames; i ++) {
11355 if (! ( cmailMoveRegistered[i]
11356 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
11357 if (prependComma) {
11358 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
11360 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
11364 strcat(string, number);
11367 strcat(string, "]");
11369 if (nCmailMovesRegistered + nCmailResults == 0) {
11370 switch (nCmailGames) {
11372 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
11376 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
11380 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
11385 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
11387 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
11392 if (nCmailResults == nCmailGames) {
11393 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
11395 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
11400 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
11412 if (gameMode == Training)
11413 SetTrainingModeOff();
11416 cmailMsgLoaded = FALSE;
11417 if (appData.icsActive) {
11418 SendToICS(ics_prefix);
11419 SendToICS("refresh\n");
11429 /* Give up on clean exit */
11433 /* Keep trying for clean exit */
11437 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
11439 if (telnetISR != NULL) {
11440 RemoveInputSource(telnetISR);
11442 if (icsPR != NoProc) {
11443 DestroyChildProcess(icsPR, TRUE);
11446 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
11447 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
11449 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
11450 /* make sure this other one finishes before killing it! */
11451 if(endingGame) { int count = 0;
11452 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
11453 while(endingGame && count++ < 10) DoSleep(1);
11454 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
11457 /* Kill off chess programs */
11458 if (first.pr != NoProc) {
11461 DoSleep( appData.delayBeforeQuit );
11462 SendToProgram("quit\n", &first);
11463 DoSleep( appData.delayAfterQuit );
11464 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
11466 if (second.pr != NoProc) {
11467 DoSleep( appData.delayBeforeQuit );
11468 SendToProgram("quit\n", &second);
11469 DoSleep( appData.delayAfterQuit );
11470 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
11472 if (first.isr != NULL) {
11473 RemoveInputSource(first.isr);
11475 if (second.isr != NULL) {
11476 RemoveInputSource(second.isr);
11479 ShutDownFrontEnd();
11486 if (appData.debugMode)
11487 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
11491 if (gameMode == MachinePlaysWhite ||
11492 gameMode == MachinePlaysBlack) {
11495 DisplayBothClocks();
11497 if (gameMode == PlayFromGameFile) {
11498 if (appData.timeDelay >= 0)
11499 AutoPlayGameLoop();
11500 } else if (gameMode == IcsExamining && pauseExamInvalid) {
11501 Reset(FALSE, TRUE);
11502 SendToICS(ics_prefix);
11503 SendToICS("refresh\n");
11504 } else if (currentMove < forwardMostMove) {
11505 ForwardInner(forwardMostMove);
11507 pauseExamInvalid = FALSE;
11509 switch (gameMode) {
11513 pauseExamForwardMostMove = forwardMostMove;
11514 pauseExamInvalid = FALSE;
11517 case IcsPlayingWhite:
11518 case IcsPlayingBlack:
11522 case PlayFromGameFile:
11523 (void) StopLoadGameTimer();
11527 case BeginningOfGame:
11528 if (appData.icsActive) return;
11529 /* else fall through */
11530 case MachinePlaysWhite:
11531 case MachinePlaysBlack:
11532 case TwoMachinesPlay:
11533 if (forwardMostMove == 0)
11534 return; /* don't pause if no one has moved */
11535 if ((gameMode == MachinePlaysWhite &&
11536 !WhiteOnMove(forwardMostMove)) ||
11537 (gameMode == MachinePlaysBlack &&
11538 WhiteOnMove(forwardMostMove))) {
11551 char title[MSG_SIZ];
11553 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
11554 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
11556 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
11557 WhiteOnMove(currentMove - 1) ? " " : ".. ",
11558 parseList[currentMove - 1]);
11561 EditCommentPopUp(currentMove, title, commentList[currentMove]);
11568 char *tags = PGNTags(&gameInfo);
11569 EditTagsPopUp(tags);
11576 if (appData.noChessProgram || gameMode == AnalyzeMode)
11579 if (gameMode != AnalyzeFile) {
11580 if (!appData.icsEngineAnalyze) {
11582 if (gameMode != EditGame) return;
11584 ResurrectChessProgram();
11585 SendToProgram("analyze\n", &first);
11586 first.analyzing = TRUE;
11587 /*first.maybeThinking = TRUE;*/
11588 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11589 EngineOutputPopUp();
11591 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
11596 StartAnalysisClock();
11597 GetTimeMark(&lastNodeCountTime);
11604 if (appData.noChessProgram || gameMode == AnalyzeFile)
11607 if (gameMode != AnalyzeMode) {
11609 if (gameMode != EditGame) return;
11610 ResurrectChessProgram();
11611 SendToProgram("analyze\n", &first);
11612 first.analyzing = TRUE;
11613 /*first.maybeThinking = TRUE;*/
11614 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11615 EngineOutputPopUp();
11617 gameMode = AnalyzeFile;
11622 StartAnalysisClock();
11623 GetTimeMark(&lastNodeCountTime);
11628 MachineWhiteEvent()
11631 char *bookHit = NULL;
11633 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
11637 if (gameMode == PlayFromGameFile ||
11638 gameMode == TwoMachinesPlay ||
11639 gameMode == Training ||
11640 gameMode == AnalyzeMode ||
11641 gameMode == EndOfGame)
11644 if (gameMode == EditPosition)
11645 EditPositionDone(TRUE);
11647 if (!WhiteOnMove(currentMove)) {
11648 DisplayError(_("It is not White's turn"), 0);
11652 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11655 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11656 gameMode == AnalyzeFile)
11659 ResurrectChessProgram(); /* in case it isn't running */
11660 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
11661 gameMode = MachinePlaysWhite;
11664 gameMode = MachinePlaysWhite;
11668 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11670 if (first.sendName) {
11671 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
11672 SendToProgram(buf, &first);
11674 if (first.sendTime) {
11675 if (first.useColors) {
11676 SendToProgram("black\n", &first); /*gnu kludge*/
11678 SendTimeRemaining(&first, TRUE);
11680 if (first.useColors) {
11681 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
11683 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11684 SetMachineThinkingEnables();
11685 first.maybeThinking = TRUE;
11689 if (appData.autoFlipView && !flipView) {
11690 flipView = !flipView;
11691 DrawPosition(FALSE, NULL);
11692 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11695 if(bookHit) { // [HGM] book: simulate book reply
11696 static char bookMove[MSG_SIZ]; // a bit generous?
11698 programStats.nodes = programStats.depth = programStats.time =
11699 programStats.score = programStats.got_only_move = 0;
11700 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11702 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11703 strcat(bookMove, bookHit);
11704 HandleMachineMove(bookMove, &first);
11709 MachineBlackEvent()
11712 char *bookHit = NULL;
11714 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
11718 if (gameMode == PlayFromGameFile ||
11719 gameMode == TwoMachinesPlay ||
11720 gameMode == Training ||
11721 gameMode == AnalyzeMode ||
11722 gameMode == EndOfGame)
11725 if (gameMode == EditPosition)
11726 EditPositionDone(TRUE);
11728 if (WhiteOnMove(currentMove)) {
11729 DisplayError(_("It is not Black's turn"), 0);
11733 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11736 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11737 gameMode == AnalyzeFile)
11740 ResurrectChessProgram(); /* in case it isn't running */
11741 gameMode = MachinePlaysBlack;
11745 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11747 if (first.sendName) {
11748 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
11749 SendToProgram(buf, &first);
11751 if (first.sendTime) {
11752 if (first.useColors) {
11753 SendToProgram("white\n", &first); /*gnu kludge*/
11755 SendTimeRemaining(&first, FALSE);
11757 if (first.useColors) {
11758 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
11760 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11761 SetMachineThinkingEnables();
11762 first.maybeThinking = TRUE;
11765 if (appData.autoFlipView && flipView) {
11766 flipView = !flipView;
11767 DrawPosition(FALSE, NULL);
11768 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11770 if(bookHit) { // [HGM] book: simulate book reply
11771 static char bookMove[MSG_SIZ]; // a bit generous?
11773 programStats.nodes = programStats.depth = programStats.time =
11774 programStats.score = programStats.got_only_move = 0;
11775 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11777 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11778 strcat(bookMove, bookHit);
11779 HandleMachineMove(bookMove, &first);
11785 DisplayTwoMachinesTitle()
11788 if (appData.matchGames > 0) {
11789 if (first.twoMachinesColor[0] == 'w') {
11790 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
11791 gameInfo.white, gameInfo.black,
11792 first.matchWins, second.matchWins,
11793 matchGame - 1 - (first.matchWins + second.matchWins));
11795 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
11796 gameInfo.white, gameInfo.black,
11797 second.matchWins, first.matchWins,
11798 matchGame - 1 - (first.matchWins + second.matchWins));
11801 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11807 TwoMachinesEvent P((void))
11811 ChessProgramState *onmove;
11812 char *bookHit = NULL;
11814 if (appData.noChessProgram) return;
11816 switch (gameMode) {
11817 case TwoMachinesPlay:
11819 case MachinePlaysWhite:
11820 case MachinePlaysBlack:
11821 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11822 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11826 case BeginningOfGame:
11827 case PlayFromGameFile:
11830 if (gameMode != EditGame) return;
11833 EditPositionDone(TRUE);
11844 // forwardMostMove = currentMove;
11845 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
11846 ResurrectChessProgram(); /* in case first program isn't running */
11848 if (second.pr == NULL) {
11849 StartChessProgram(&second);
11850 if (second.protocolVersion == 1) {
11851 TwoMachinesEventIfReady();
11853 /* kludge: allow timeout for initial "feature" command */
11855 DisplayMessage("", _("Starting second chess program"));
11856 ScheduleDelayedEvent(TwoMachinesEventIfReady, FEATURE_TIMEOUT);
11860 DisplayMessage("", "");
11861 InitChessProgram(&second, FALSE);
11862 SendToProgram("force\n", &second);
11863 if (startedFromSetupPosition) {
11864 SendBoard(&second, backwardMostMove);
11865 if (appData.debugMode) {
11866 fprintf(debugFP, "Two Machines\n");
11869 for (i = backwardMostMove; i < forwardMostMove; i++) {
11870 SendMoveToProgram(i, &second);
11873 gameMode = TwoMachinesPlay;
11877 DisplayTwoMachinesTitle();
11879 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
11885 SendToProgram(first.computerString, &first);
11886 if (first.sendName) {
11887 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
11888 SendToProgram(buf, &first);
11890 SendToProgram(second.computerString, &second);
11891 if (second.sendName) {
11892 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
11893 SendToProgram(buf, &second);
11897 if (!first.sendTime || !second.sendTime) {
11898 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11899 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11901 if (onmove->sendTime) {
11902 if (onmove->useColors) {
11903 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
11905 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
11907 if (onmove->useColors) {
11908 SendToProgram(onmove->twoMachinesColor, onmove);
11910 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
11911 // SendToProgram("go\n", onmove);
11912 onmove->maybeThinking = TRUE;
11913 SetMachineThinkingEnables();
11917 if(bookHit) { // [HGM] book: simulate book reply
11918 static char bookMove[MSG_SIZ]; // a bit generous?
11920 programStats.nodes = programStats.depth = programStats.time =
11921 programStats.score = programStats.got_only_move = 0;
11922 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11924 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11925 strcat(bookMove, bookHit);
11926 savedMessage = bookMove; // args for deferred call
11927 savedState = onmove;
11928 ScheduleDelayedEvent(DeferredBookMove, 1);
11935 if (gameMode == Training) {
11936 SetTrainingModeOff();
11937 gameMode = PlayFromGameFile;
11938 DisplayMessage("", _("Training mode off"));
11940 gameMode = Training;
11941 animateTraining = appData.animate;
11943 /* make sure we are not already at the end of the game */
11944 if (currentMove < forwardMostMove) {
11945 SetTrainingModeOn();
11946 DisplayMessage("", _("Training mode on"));
11948 gameMode = PlayFromGameFile;
11949 DisplayError(_("Already at end of game"), 0);
11958 if (!appData.icsActive) return;
11959 switch (gameMode) {
11960 case IcsPlayingWhite:
11961 case IcsPlayingBlack:
11964 case BeginningOfGame:
11972 EditPositionDone(TRUE);
11985 gameMode = IcsIdle;
11996 switch (gameMode) {
11998 SetTrainingModeOff();
12000 case MachinePlaysWhite:
12001 case MachinePlaysBlack:
12002 case BeginningOfGame:
12003 SendToProgram("force\n", &first);
12004 SetUserThinkingEnables();
12006 case PlayFromGameFile:
12007 (void) StopLoadGameTimer();
12008 if (gameFileFP != NULL) {
12013 EditPositionDone(TRUE);
12018 SendToProgram("force\n", &first);
12020 case TwoMachinesPlay:
12021 GameEnds(EndOfFile, NULL, GE_PLAYER);
12022 ResurrectChessProgram();
12023 SetUserThinkingEnables();
12026 ResurrectChessProgram();
12028 case IcsPlayingBlack:
12029 case IcsPlayingWhite:
12030 DisplayError(_("Warning: You are still playing a game"), 0);
12033 DisplayError(_("Warning: You are still observing a game"), 0);
12036 DisplayError(_("Warning: You are still examining a game"), 0);
12047 first.offeredDraw = second.offeredDraw = 0;
12049 if (gameMode == PlayFromGameFile) {
12050 whiteTimeRemaining = timeRemaining[0][currentMove];
12051 blackTimeRemaining = timeRemaining[1][currentMove];
12055 if (gameMode == MachinePlaysWhite ||
12056 gameMode == MachinePlaysBlack ||
12057 gameMode == TwoMachinesPlay ||
12058 gameMode == EndOfGame) {
12059 i = forwardMostMove;
12060 while (i > currentMove) {
12061 SendToProgram("undo\n", &first);
12064 whiteTimeRemaining = timeRemaining[0][currentMove];
12065 blackTimeRemaining = timeRemaining[1][currentMove];
12066 DisplayBothClocks();
12067 if (whiteFlag || blackFlag) {
12068 whiteFlag = blackFlag = 0;
12073 gameMode = EditGame;
12080 EditPositionEvent()
12082 if (gameMode == EditPosition) {
12088 if (gameMode != EditGame) return;
12090 gameMode = EditPosition;
12093 if (currentMove > 0)
12094 CopyBoard(boards[0], boards[currentMove]);
12096 blackPlaysFirst = !WhiteOnMove(currentMove);
12098 currentMove = forwardMostMove = backwardMostMove = 0;
12099 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12106 /* [DM] icsEngineAnalyze - possible call from other functions */
12107 if (appData.icsEngineAnalyze) {
12108 appData.icsEngineAnalyze = FALSE;
12110 DisplayMessage("",_("Close ICS engine analyze..."));
12112 if (first.analysisSupport && first.analyzing) {
12113 SendToProgram("exit\n", &first);
12114 first.analyzing = FALSE;
12116 thinkOutput[0] = NULLCHAR;
12120 EditPositionDone(Boolean fakeRights)
12122 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
12124 startedFromSetupPosition = TRUE;
12125 InitChessProgram(&first, FALSE);
12126 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
12127 boards[0][EP_STATUS] = EP_NONE;
12128 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
12129 if(boards[0][0][BOARD_WIDTH>>1] == king) {
12130 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
12131 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
12132 } else boards[0][CASTLING][2] = NoRights;
12133 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
12134 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
12135 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
12136 } else boards[0][CASTLING][5] = NoRights;
12138 SendToProgram("force\n", &first);
12139 if (blackPlaysFirst) {
12140 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12141 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12142 currentMove = forwardMostMove = backwardMostMove = 1;
12143 CopyBoard(boards[1], boards[0]);
12145 currentMove = forwardMostMove = backwardMostMove = 0;
12147 SendBoard(&first, forwardMostMove);
12148 if (appData.debugMode) {
12149 fprintf(debugFP, "EditPosDone\n");
12152 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12153 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12154 gameMode = EditGame;
12156 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12157 ClearHighlights(); /* [AS] */
12160 /* Pause for `ms' milliseconds */
12161 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12171 } while (SubtractTimeMarks(&m2, &m1) < ms);
12174 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12176 SendMultiLineToICS(buf)
12179 char temp[MSG_SIZ+1], *p;
12186 strncpy(temp, buf, len);
12191 if (*p == '\n' || *p == '\r')
12196 strcat(temp, "\n");
12198 SendToPlayer(temp, strlen(temp));
12202 SetWhiteToPlayEvent()
12204 if (gameMode == EditPosition) {
12205 blackPlaysFirst = FALSE;
12206 DisplayBothClocks(); /* works because currentMove is 0 */
12207 } else if (gameMode == IcsExamining) {
12208 SendToICS(ics_prefix);
12209 SendToICS("tomove white\n");
12214 SetBlackToPlayEvent()
12216 if (gameMode == EditPosition) {
12217 blackPlaysFirst = TRUE;
12218 currentMove = 1; /* kludge */
12219 DisplayBothClocks();
12221 } else if (gameMode == IcsExamining) {
12222 SendToICS(ics_prefix);
12223 SendToICS("tomove black\n");
12228 EditPositionMenuEvent(selection, x, y)
12229 ChessSquare selection;
12233 ChessSquare piece = boards[0][y][x];
12235 if (gameMode != EditPosition && gameMode != IcsExamining) return;
12237 switch (selection) {
12239 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
12240 SendToICS(ics_prefix);
12241 SendToICS("bsetup clear\n");
12242 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
12243 SendToICS(ics_prefix);
12244 SendToICS("clearboard\n");
12246 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
12247 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
12248 for (y = 0; y < BOARD_HEIGHT; y++) {
12249 if (gameMode == IcsExamining) {
12250 if (boards[currentMove][y][x] != EmptySquare) {
12251 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
12256 boards[0][y][x] = p;
12261 if (gameMode == EditPosition) {
12262 DrawPosition(FALSE, boards[0]);
12267 SetWhiteToPlayEvent();
12271 SetBlackToPlayEvent();
12275 if (gameMode == IcsExamining) {
12276 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12277 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
12280 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12281 if(x == BOARD_LEFT-2) {
12282 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
12283 boards[0][y][1] = 0;
12285 if(x == BOARD_RGHT+1) {
12286 if(y >= gameInfo.holdingsSize) break;
12287 boards[0][y][BOARD_WIDTH-2] = 0;
12290 boards[0][y][x] = EmptySquare;
12291 DrawPosition(FALSE, boards[0]);
12296 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
12297 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
12298 selection = (ChessSquare) (PROMOTED piece);
12299 } else if(piece == EmptySquare) selection = WhiteSilver;
12300 else selection = (ChessSquare)((int)piece - 1);
12304 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
12305 piece > (int)BlackMan && piece <= (int)BlackKing ) {
12306 selection = (ChessSquare) (DEMOTED piece);
12307 } else if(piece == EmptySquare) selection = BlackSilver;
12308 else selection = (ChessSquare)((int)piece + 1);
12313 if(gameInfo.variant == VariantShatranj ||
12314 gameInfo.variant == VariantXiangqi ||
12315 gameInfo.variant == VariantCourier ||
12316 gameInfo.variant == VariantMakruk )
12317 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
12322 if(gameInfo.variant == VariantXiangqi)
12323 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
12324 if(gameInfo.variant == VariantKnightmate)
12325 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
12328 if (gameMode == IcsExamining) {
12329 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12330 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
12331 PieceToChar(selection), AAA + x, ONE + y);
12334 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12336 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
12337 n = PieceToNumber(selection - BlackPawn);
12338 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
12339 boards[0][BOARD_HEIGHT-1-n][0] = selection;
12340 boards[0][BOARD_HEIGHT-1-n][1]++;
12342 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
12343 n = PieceToNumber(selection);
12344 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
12345 boards[0][n][BOARD_WIDTH-1] = selection;
12346 boards[0][n][BOARD_WIDTH-2]++;
12349 boards[0][y][x] = selection;
12350 DrawPosition(TRUE, boards[0]);
12358 DropMenuEvent(selection, x, y)
12359 ChessSquare selection;
12362 ChessMove moveType;
12364 switch (gameMode) {
12365 case IcsPlayingWhite:
12366 case MachinePlaysBlack:
12367 if (!WhiteOnMove(currentMove)) {
12368 DisplayMoveError(_("It is Black's turn"));
12371 moveType = WhiteDrop;
12373 case IcsPlayingBlack:
12374 case MachinePlaysWhite:
12375 if (WhiteOnMove(currentMove)) {
12376 DisplayMoveError(_("It is White's turn"));
12379 moveType = BlackDrop;
12382 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
12388 if (moveType == BlackDrop && selection < BlackPawn) {
12389 selection = (ChessSquare) ((int) selection
12390 + (int) BlackPawn - (int) WhitePawn);
12392 if (boards[currentMove][y][x] != EmptySquare) {
12393 DisplayMoveError(_("That square is occupied"));
12397 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
12403 /* Accept a pending offer of any kind from opponent */
12405 if (appData.icsActive) {
12406 SendToICS(ics_prefix);
12407 SendToICS("accept\n");
12408 } else if (cmailMsgLoaded) {
12409 if (currentMove == cmailOldMove &&
12410 commentList[cmailOldMove] != NULL &&
12411 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12412 "Black offers a draw" : "White offers a draw")) {
12414 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12415 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12417 DisplayError(_("There is no pending offer on this move"), 0);
12418 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12421 /* Not used for offers from chess program */
12428 /* Decline a pending offer of any kind from opponent */
12430 if (appData.icsActive) {
12431 SendToICS(ics_prefix);
12432 SendToICS("decline\n");
12433 } else if (cmailMsgLoaded) {
12434 if (currentMove == cmailOldMove &&
12435 commentList[cmailOldMove] != NULL &&
12436 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12437 "Black offers a draw" : "White offers a draw")) {
12439 AppendComment(cmailOldMove, "Draw declined", TRUE);
12440 DisplayComment(cmailOldMove - 1, "Draw declined");
12443 DisplayError(_("There is no pending offer on this move"), 0);
12446 /* Not used for offers from chess program */
12453 /* Issue ICS rematch command */
12454 if (appData.icsActive) {
12455 SendToICS(ics_prefix);
12456 SendToICS("rematch\n");
12463 /* Call your opponent's flag (claim a win on time) */
12464 if (appData.icsActive) {
12465 SendToICS(ics_prefix);
12466 SendToICS("flag\n");
12468 switch (gameMode) {
12471 case MachinePlaysWhite:
12474 GameEnds(GameIsDrawn, "Both players ran out of time",
12477 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
12479 DisplayError(_("Your opponent is not out of time"), 0);
12482 case MachinePlaysBlack:
12485 GameEnds(GameIsDrawn, "Both players ran out of time",
12488 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
12490 DisplayError(_("Your opponent is not out of time"), 0);
12500 /* Offer draw or accept pending draw offer from opponent */
12502 if (appData.icsActive) {
12503 /* Note: tournament rules require draw offers to be
12504 made after you make your move but before you punch
12505 your clock. Currently ICS doesn't let you do that;
12506 instead, you immediately punch your clock after making
12507 a move, but you can offer a draw at any time. */
12509 SendToICS(ics_prefix);
12510 SendToICS("draw\n");
12511 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
12512 } else if (cmailMsgLoaded) {
12513 if (currentMove == cmailOldMove &&
12514 commentList[cmailOldMove] != NULL &&
12515 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12516 "Black offers a draw" : "White offers a draw")) {
12517 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12518 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12519 } else if (currentMove == cmailOldMove + 1) {
12520 char *offer = WhiteOnMove(cmailOldMove) ?
12521 "White offers a draw" : "Black offers a draw";
12522 AppendComment(currentMove, offer, TRUE);
12523 DisplayComment(currentMove - 1, offer);
12524 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
12526 DisplayError(_("You must make your move before offering a draw"), 0);
12527 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12529 } else if (first.offeredDraw) {
12530 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
12532 if (first.sendDrawOffers) {
12533 SendToProgram("draw\n", &first);
12534 userOfferedDraw = TRUE;
12542 /* Offer Adjourn or accept pending Adjourn offer from opponent */
12544 if (appData.icsActive) {
12545 SendToICS(ics_prefix);
12546 SendToICS("adjourn\n");
12548 /* Currently GNU Chess doesn't offer or accept Adjourns */
12556 /* Offer Abort or accept pending Abort offer from opponent */
12558 if (appData.icsActive) {
12559 SendToICS(ics_prefix);
12560 SendToICS("abort\n");
12562 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
12569 /* Resign. You can do this even if it's not your turn. */
12571 if (appData.icsActive) {
12572 SendToICS(ics_prefix);
12573 SendToICS("resign\n");
12575 switch (gameMode) {
12576 case MachinePlaysWhite:
12577 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12579 case MachinePlaysBlack:
12580 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12583 if (cmailMsgLoaded) {
12585 if (WhiteOnMove(cmailOldMove)) {
12586 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12588 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12590 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
12601 StopObservingEvent()
12603 /* Stop observing current games */
12604 SendToICS(ics_prefix);
12605 SendToICS("unobserve\n");
12609 StopExaminingEvent()
12611 /* Stop observing current game */
12612 SendToICS(ics_prefix);
12613 SendToICS("unexamine\n");
12617 ForwardInner(target)
12622 if (appData.debugMode)
12623 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
12624 target, currentMove, forwardMostMove);
12626 if (gameMode == EditPosition)
12629 if (gameMode == PlayFromGameFile && !pausing)
12632 if (gameMode == IcsExamining && pausing)
12633 limit = pauseExamForwardMostMove;
12635 limit = forwardMostMove;
12637 if (target > limit) target = limit;
12639 if (target > 0 && moveList[target - 1][0]) {
12640 int fromX, fromY, toX, toY;
12641 toX = moveList[target - 1][2] - AAA;
12642 toY = moveList[target - 1][3] - ONE;
12643 if (moveList[target - 1][1] == '@') {
12644 if (appData.highlightLastMove) {
12645 SetHighlights(-1, -1, toX, toY);
12648 fromX = moveList[target - 1][0] - AAA;
12649 fromY = moveList[target - 1][1] - ONE;
12650 if (target == currentMove + 1) {
12651 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12653 if (appData.highlightLastMove) {
12654 SetHighlights(fromX, fromY, toX, toY);
12658 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12659 gameMode == Training || gameMode == PlayFromGameFile ||
12660 gameMode == AnalyzeFile) {
12661 while (currentMove < target) {
12662 SendMoveToProgram(currentMove++, &first);
12665 currentMove = target;
12668 if (gameMode == EditGame || gameMode == EndOfGame) {
12669 whiteTimeRemaining = timeRemaining[0][currentMove];
12670 blackTimeRemaining = timeRemaining[1][currentMove];
12672 DisplayBothClocks();
12673 DisplayMove(currentMove - 1);
12674 DrawPosition(FALSE, boards[currentMove]);
12675 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12676 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
12677 DisplayComment(currentMove - 1, commentList[currentMove]);
12685 if (gameMode == IcsExamining && !pausing) {
12686 SendToICS(ics_prefix);
12687 SendToICS("forward\n");
12689 ForwardInner(currentMove + 1);
12696 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12697 /* to optimze, we temporarily turn off analysis mode while we feed
12698 * the remaining moves to the engine. Otherwise we get analysis output
12701 if (first.analysisSupport) {
12702 SendToProgram("exit\nforce\n", &first);
12703 first.analyzing = FALSE;
12707 if (gameMode == IcsExamining && !pausing) {
12708 SendToICS(ics_prefix);
12709 SendToICS("forward 999999\n");
12711 ForwardInner(forwardMostMove);
12714 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12715 /* we have fed all the moves, so reactivate analysis mode */
12716 SendToProgram("analyze\n", &first);
12717 first.analyzing = TRUE;
12718 /*first.maybeThinking = TRUE;*/
12719 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12724 BackwardInner(target)
12727 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
12729 if (appData.debugMode)
12730 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
12731 target, currentMove, forwardMostMove);
12733 if (gameMode == EditPosition) return;
12734 if (currentMove <= backwardMostMove) {
12736 DrawPosition(full_redraw, boards[currentMove]);
12739 if (gameMode == PlayFromGameFile && !pausing)
12742 if (moveList[target][0]) {
12743 int fromX, fromY, toX, toY;
12744 toX = moveList[target][2] - AAA;
12745 toY = moveList[target][3] - ONE;
12746 if (moveList[target][1] == '@') {
12747 if (appData.highlightLastMove) {
12748 SetHighlights(-1, -1, toX, toY);
12751 fromX = moveList[target][0] - AAA;
12752 fromY = moveList[target][1] - ONE;
12753 if (target == currentMove - 1) {
12754 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
12756 if (appData.highlightLastMove) {
12757 SetHighlights(fromX, fromY, toX, toY);
12761 if (gameMode == EditGame || gameMode==AnalyzeMode ||
12762 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
12763 while (currentMove > target) {
12764 SendToProgram("undo\n", &first);
12768 currentMove = target;
12771 if (gameMode == EditGame || gameMode == EndOfGame) {
12772 whiteTimeRemaining = timeRemaining[0][currentMove];
12773 blackTimeRemaining = timeRemaining[1][currentMove];
12775 DisplayBothClocks();
12776 DisplayMove(currentMove - 1);
12777 DrawPosition(full_redraw, boards[currentMove]);
12778 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12779 // [HGM] PV info: routine tests if comment empty
12780 DisplayComment(currentMove - 1, commentList[currentMove]);
12786 if (gameMode == IcsExamining && !pausing) {
12787 SendToICS(ics_prefix);
12788 SendToICS("backward\n");
12790 BackwardInner(currentMove - 1);
12797 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12798 /* to optimize, we temporarily turn off analysis mode while we undo
12799 * all the moves. Otherwise we get analysis output after each undo.
12801 if (first.analysisSupport) {
12802 SendToProgram("exit\nforce\n", &first);
12803 first.analyzing = FALSE;
12807 if (gameMode == IcsExamining && !pausing) {
12808 SendToICS(ics_prefix);
12809 SendToICS("backward 999999\n");
12811 BackwardInner(backwardMostMove);
12814 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12815 /* we have fed all the moves, so reactivate analysis mode */
12816 SendToProgram("analyze\n", &first);
12817 first.analyzing = TRUE;
12818 /*first.maybeThinking = TRUE;*/
12819 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12826 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
12827 if (to >= forwardMostMove) to = forwardMostMove;
12828 if (to <= backwardMostMove) to = backwardMostMove;
12829 if (to < currentMove) {
12837 RevertEvent(Boolean annotate)
12839 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
12842 if (gameMode != IcsExamining) {
12843 DisplayError(_("You are not examining a game"), 0);
12847 DisplayError(_("You can't revert while pausing"), 0);
12850 SendToICS(ics_prefix);
12851 SendToICS("revert\n");
12857 switch (gameMode) {
12858 case MachinePlaysWhite:
12859 case MachinePlaysBlack:
12860 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12861 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12864 if (forwardMostMove < 2) return;
12865 currentMove = forwardMostMove = forwardMostMove - 2;
12866 whiteTimeRemaining = timeRemaining[0][currentMove];
12867 blackTimeRemaining = timeRemaining[1][currentMove];
12868 DisplayBothClocks();
12869 DisplayMove(currentMove - 1);
12870 ClearHighlights();/*!! could figure this out*/
12871 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
12872 SendToProgram("remove\n", &first);
12873 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
12876 case BeginningOfGame:
12880 case IcsPlayingWhite:
12881 case IcsPlayingBlack:
12882 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
12883 SendToICS(ics_prefix);
12884 SendToICS("takeback 2\n");
12886 SendToICS(ics_prefix);
12887 SendToICS("takeback 1\n");
12896 ChessProgramState *cps;
12898 switch (gameMode) {
12899 case MachinePlaysWhite:
12900 if (!WhiteOnMove(forwardMostMove)) {
12901 DisplayError(_("It is your turn"), 0);
12906 case MachinePlaysBlack:
12907 if (WhiteOnMove(forwardMostMove)) {
12908 DisplayError(_("It is your turn"), 0);
12913 case TwoMachinesPlay:
12914 if (WhiteOnMove(forwardMostMove) ==
12915 (first.twoMachinesColor[0] == 'w')) {
12921 case BeginningOfGame:
12925 SendToProgram("?\n", cps);
12929 TruncateGameEvent()
12932 if (gameMode != EditGame) return;
12939 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
12940 if (forwardMostMove > currentMove) {
12941 if (gameInfo.resultDetails != NULL) {
12942 free(gameInfo.resultDetails);
12943 gameInfo.resultDetails = NULL;
12944 gameInfo.result = GameUnfinished;
12946 forwardMostMove = currentMove;
12947 HistorySet(parseList, backwardMostMove, forwardMostMove,
12955 if (appData.noChessProgram) return;
12956 switch (gameMode) {
12957 case MachinePlaysWhite:
12958 if (WhiteOnMove(forwardMostMove)) {
12959 DisplayError(_("Wait until your turn"), 0);
12963 case BeginningOfGame:
12964 case MachinePlaysBlack:
12965 if (!WhiteOnMove(forwardMostMove)) {
12966 DisplayError(_("Wait until your turn"), 0);
12971 DisplayError(_("No hint available"), 0);
12974 SendToProgram("hint\n", &first);
12975 hintRequested = TRUE;
12981 if (appData.noChessProgram) return;
12982 switch (gameMode) {
12983 case MachinePlaysWhite:
12984 if (WhiteOnMove(forwardMostMove)) {
12985 DisplayError(_("Wait until your turn"), 0);
12989 case BeginningOfGame:
12990 case MachinePlaysBlack:
12991 if (!WhiteOnMove(forwardMostMove)) {
12992 DisplayError(_("Wait until your turn"), 0);
12997 EditPositionDone(TRUE);
12999 case TwoMachinesPlay:
13004 SendToProgram("bk\n", &first);
13005 bookOutput[0] = NULLCHAR;
13006 bookRequested = TRUE;
13012 char *tags = PGNTags(&gameInfo);
13013 TagsPopUp(tags, CmailMsg());
13017 /* end button procedures */
13020 PrintPosition(fp, move)
13026 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13027 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
13028 char c = PieceToChar(boards[move][i][j]);
13029 fputc(c == 'x' ? '.' : c, fp);
13030 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
13033 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
13034 fprintf(fp, "white to play\n");
13036 fprintf(fp, "black to play\n");
13043 if (gameInfo.white != NULL) {
13044 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
13050 /* Find last component of program's own name, using some heuristics */
13052 TidyProgramName(prog, host, buf)
13053 char *prog, *host, buf[MSG_SIZ];
13056 int local = (strcmp(host, "localhost") == 0);
13057 while (!local && (p = strchr(prog, ';')) != NULL) {
13059 while (*p == ' ') p++;
13062 if (*prog == '"' || *prog == '\'') {
13063 q = strchr(prog + 1, *prog);
13065 q = strchr(prog, ' ');
13067 if (q == NULL) q = prog + strlen(prog);
13069 while (p >= prog && *p != '/' && *p != '\\') p--;
13071 if(p == prog && *p == '"') p++;
13072 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
13073 memcpy(buf, p, q - p);
13074 buf[q - p] = NULLCHAR;
13082 TimeControlTagValue()
13085 if (!appData.clockMode) {
13086 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
13087 } else if (movesPerSession > 0) {
13088 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
13089 } else if (timeIncrement == 0) {
13090 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
13092 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
13094 return StrSave(buf);
13100 /* This routine is used only for certain modes */
13101 VariantClass v = gameInfo.variant;
13102 ChessMove r = GameUnfinished;
13105 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
13106 r = gameInfo.result;
13107 p = gameInfo.resultDetails;
13108 gameInfo.resultDetails = NULL;
13110 ClearGameInfo(&gameInfo);
13111 gameInfo.variant = v;
13113 switch (gameMode) {
13114 case MachinePlaysWhite:
13115 gameInfo.event = StrSave( appData.pgnEventHeader );
13116 gameInfo.site = StrSave(HostName());
13117 gameInfo.date = PGNDate();
13118 gameInfo.round = StrSave("-");
13119 gameInfo.white = StrSave(first.tidy);
13120 gameInfo.black = StrSave(UserName());
13121 gameInfo.timeControl = TimeControlTagValue();
13124 case MachinePlaysBlack:
13125 gameInfo.event = StrSave( appData.pgnEventHeader );
13126 gameInfo.site = StrSave(HostName());
13127 gameInfo.date = PGNDate();
13128 gameInfo.round = StrSave("-");
13129 gameInfo.white = StrSave(UserName());
13130 gameInfo.black = StrSave(first.tidy);
13131 gameInfo.timeControl = TimeControlTagValue();
13134 case TwoMachinesPlay:
13135 gameInfo.event = StrSave( appData.pgnEventHeader );
13136 gameInfo.site = StrSave(HostName());
13137 gameInfo.date = PGNDate();
13138 if (matchGame > 0) {
13140 snprintf(buf, MSG_SIZ, "%d", matchGame);
13141 gameInfo.round = StrSave(buf);
13143 gameInfo.round = StrSave("-");
13145 if (first.twoMachinesColor[0] == 'w') {
13146 gameInfo.white = StrSave(first.tidy);
13147 gameInfo.black = StrSave(second.tidy);
13149 gameInfo.white = StrSave(second.tidy);
13150 gameInfo.black = StrSave(first.tidy);
13152 gameInfo.timeControl = TimeControlTagValue();
13156 gameInfo.event = StrSave("Edited game");
13157 gameInfo.site = StrSave(HostName());
13158 gameInfo.date = PGNDate();
13159 gameInfo.round = StrSave("-");
13160 gameInfo.white = StrSave("-");
13161 gameInfo.black = StrSave("-");
13162 gameInfo.result = r;
13163 gameInfo.resultDetails = p;
13167 gameInfo.event = StrSave("Edited position");
13168 gameInfo.site = StrSave(HostName());
13169 gameInfo.date = PGNDate();
13170 gameInfo.round = StrSave("-");
13171 gameInfo.white = StrSave("-");
13172 gameInfo.black = StrSave("-");
13175 case IcsPlayingWhite:
13176 case IcsPlayingBlack:
13181 case PlayFromGameFile:
13182 gameInfo.event = StrSave("Game from non-PGN file");
13183 gameInfo.site = StrSave(HostName());
13184 gameInfo.date = PGNDate();
13185 gameInfo.round = StrSave("-");
13186 gameInfo.white = StrSave("?");
13187 gameInfo.black = StrSave("?");
13196 ReplaceComment(index, text)
13202 while (*text == '\n') text++;
13203 len = strlen(text);
13204 while (len > 0 && text[len - 1] == '\n') len--;
13206 if (commentList[index] != NULL)
13207 free(commentList[index]);
13210 commentList[index] = NULL;
13213 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
13214 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
13215 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
13216 commentList[index] = (char *) malloc(len + 2);
13217 strncpy(commentList[index], text, len);
13218 commentList[index][len] = '\n';
13219 commentList[index][len + 1] = NULLCHAR;
13221 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
13223 commentList[index] = (char *) malloc(len + 7);
13224 safeStrCpy(commentList[index], "{\n", 3);
13225 safeStrCpy(commentList[index]+2, text, len+1);
13226 commentList[index][len+2] = NULLCHAR;
13227 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
13228 strcat(commentList[index], "\n}\n");
13242 if (ch == '\r') continue;
13244 } while (ch != '\0');
13248 AppendComment(index, text, addBraces)
13251 Boolean addBraces; // [HGM] braces: tells if we should add {}
13256 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
13257 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
13260 while (*text == '\n') text++;
13261 len = strlen(text);
13262 while (len > 0 && text[len - 1] == '\n') len--;
13264 if (len == 0) return;
13266 if (commentList[index] != NULL) {
13267 old = commentList[index];
13268 oldlen = strlen(old);
13269 while(commentList[index][oldlen-1] == '\n')
13270 commentList[index][--oldlen] = NULLCHAR;
13271 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
13272 safeStrCpy(commentList[index], old, oldlen);
13274 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
13275 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces)) {
13276 if(addBraces) addBraces = FALSE; else { text++; len--; }
13277 while (*text == '\n') { text++; len--; }
13278 commentList[index][--oldlen] = NULLCHAR;
13280 if(addBraces) strcat(commentList[index], "\n{\n");
13281 else strcat(commentList[index], "\n");
13282 strcat(commentList[index], text);
13283 if(addBraces) strcat(commentList[index], "\n}\n");
13284 else strcat(commentList[index], "\n");
13286 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
13288 safeStrCpy(commentList[index], "{\n", sizeof(commentList[index])/sizeof(commentList[index][0]));
13289 else commentList[index][0] = NULLCHAR;
13290 strcat(commentList[index], text);
13291 strcat(commentList[index], "\n");
13292 if(addBraces) strcat(commentList[index], "}\n");
13296 static char * FindStr( char * text, char * sub_text )
13298 char * result = strstr( text, sub_text );
13300 if( result != NULL ) {
13301 result += strlen( sub_text );
13307 /* [AS] Try to extract PV info from PGN comment */
13308 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
13309 char *GetInfoFromComment( int index, char * text )
13313 if( text != NULL && index > 0 ) {
13316 int time = -1, sec = 0, deci;
13317 char * s_eval = FindStr( text, "[%eval " );
13318 char * s_emt = FindStr( text, "[%emt " );
13320 if( s_eval != NULL || s_emt != NULL ) {
13324 if( s_eval != NULL ) {
13325 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
13329 if( delim != ']' ) {
13334 if( s_emt != NULL ) {
13339 /* We expect something like: [+|-]nnn.nn/dd */
13342 if(*text != '{') return text; // [HGM] braces: must be normal comment
13344 sep = strchr( text, '/' );
13345 if( sep == NULL || sep < (text+4) ) {
13349 time = -1; sec = -1; deci = -1;
13350 if( sscanf( text+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
13351 sscanf( text+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
13352 sscanf( text+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
13353 sscanf( text+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
13357 if( score_lo < 0 || score_lo >= 100 ) {
13361 if(sec >= 0) time = 600*time + 10*sec; else
13362 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
13364 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
13366 /* [HGM] PV time: now locate end of PV info */
13367 while( *++sep >= '0' && *sep <= '9'); // strip depth
13369 while( *++sep >= '0' && *sep <= '9'); // strip time
13371 while( *++sep >= '0' && *sep <= '9'); // strip seconds
13373 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
13374 while(*sep == ' ') sep++;
13385 pvInfoList[index-1].depth = depth;
13386 pvInfoList[index-1].score = score;
13387 pvInfoList[index-1].time = 10*time; // centi-sec
13388 if(*sep == '}') *sep = 0; else *--sep = '{';
13394 SendToProgram(message, cps)
13396 ChessProgramState *cps;
13398 int count, outCount, error;
13401 if (cps->pr == NULL) return;
13404 if (appData.debugMode) {
13407 fprintf(debugFP, "%ld >%-6s: %s",
13408 SubtractTimeMarks(&now, &programStartTime),
13409 cps->which, message);
13412 count = strlen(message);
13413 outCount = OutputToProcess(cps->pr, message, count, &error);
13414 if (outCount < count && !exiting
13415 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
13416 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), cps->which);
13417 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13418 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13419 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13420 snprintf(buf, MSG_SIZ, "%s program exits in draw position (%s)", cps->which, cps->program);
13422 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13424 gameInfo.resultDetails = StrSave(buf);
13426 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13431 ReceiveFromProgram(isr, closure, message, count, error)
13432 InputSourceRef isr;
13440 ChessProgramState *cps = (ChessProgramState *)closure;
13442 if (isr != cps->isr) return; /* Killed intentionally */
13445 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
13446 cps->which, cps->program);
13447 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13448 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13449 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13450 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), cps->which, cps->program);
13452 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13454 gameInfo.resultDetails = StrSave(buf);
13456 RemoveInputSource(cps->isr);
13457 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
13459 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
13460 cps->which, cps->program);
13461 RemoveInputSource(cps->isr);
13463 /* [AS] Program is misbehaving badly... kill it */
13464 if( count == -2 ) {
13465 DestroyChildProcess( cps->pr, 9 );
13469 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13474 if ((end_str = strchr(message, '\r')) != NULL)
13475 *end_str = NULLCHAR;
13476 if ((end_str = strchr(message, '\n')) != NULL)
13477 *end_str = NULLCHAR;
13479 if (appData.debugMode) {
13480 TimeMark now; int print = 1;
13481 char *quote = ""; char c; int i;
13483 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
13484 char start = message[0];
13485 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
13486 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
13487 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
13488 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
13489 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
13490 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
13491 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
13492 sscanf(message, "pong %c", &c)!=1 && start != '#') {
13493 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
13494 print = (appData.engineComments >= 2);
13496 message[0] = start; // restore original message
13500 fprintf(debugFP, "%ld <%-6s: %s%s\n",
13501 SubtractTimeMarks(&now, &programStartTime), cps->which,
13507 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
13508 if (appData.icsEngineAnalyze) {
13509 if (strstr(message, "whisper") != NULL ||
13510 strstr(message, "kibitz") != NULL ||
13511 strstr(message, "tellics") != NULL) return;
13514 HandleMachineMove(message, cps);
13519 SendTimeControl(cps, mps, tc, inc, sd, st)
13520 ChessProgramState *cps;
13521 int mps, inc, sd, st;
13527 if( timeControl_2 > 0 ) {
13528 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
13529 tc = timeControl_2;
13532 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
13533 inc /= cps->timeOdds;
13534 st /= cps->timeOdds;
13536 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
13539 /* Set exact time per move, normally using st command */
13540 if (cps->stKludge) {
13541 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
13543 if (seconds == 0) {
13544 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
13546 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
13549 snprintf(buf, MSG_SIZ, "st %d\n", st);
13552 /* Set conventional or incremental time control, using level command */
13553 if (seconds == 0) {
13554 /* Note old gnuchess bug -- minutes:seconds used to not work.
13555 Fixed in later versions, but still avoid :seconds
13556 when seconds is 0. */
13557 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000);
13559 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
13560 seconds, inc/1000);
13563 SendToProgram(buf, cps);
13565 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
13566 /* Orthogonally, limit search to given depth */
13568 if (cps->sdKludge) {
13569 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
13571 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
13573 SendToProgram(buf, cps);
13576 if(cps->nps > 0) { /* [HGM] nps */
13577 if(cps->supportsNPS == FALSE)
13578 cps->nps = -1; // don't use if engine explicitly says not supported!
13580 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
13581 SendToProgram(buf, cps);
13586 ChessProgramState *WhitePlayer()
13587 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
13589 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
13590 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
13596 SendTimeRemaining(cps, machineWhite)
13597 ChessProgramState *cps;
13598 int /*boolean*/ machineWhite;
13600 char message[MSG_SIZ];
13603 /* Note: this routine must be called when the clocks are stopped
13604 or when they have *just* been set or switched; otherwise
13605 it will be off by the time since the current tick started.
13607 if (machineWhite) {
13608 time = whiteTimeRemaining / 10;
13609 otime = blackTimeRemaining / 10;
13611 time = blackTimeRemaining / 10;
13612 otime = whiteTimeRemaining / 10;
13614 /* [HGM] translate opponent's time by time-odds factor */
13615 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
13616 if (appData.debugMode) {
13617 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
13620 if (time <= 0) time = 1;
13621 if (otime <= 0) otime = 1;
13623 snprintf(message, MSG_SIZ, "time %ld\n", time);
13624 SendToProgram(message, cps);
13626 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
13627 SendToProgram(message, cps);
13631 BoolFeature(p, name, loc, cps)
13635 ChessProgramState *cps;
13638 int len = strlen(name);
13641 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13643 sscanf(*p, "%d", &val);
13645 while (**p && **p != ' ')
13647 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13648 SendToProgram(buf, cps);
13655 IntFeature(p, name, loc, cps)
13659 ChessProgramState *cps;
13662 int len = strlen(name);
13663 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13665 sscanf(*p, "%d", loc);
13666 while (**p && **p != ' ') (*p)++;
13667 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13668 SendToProgram(buf, cps);
13675 StringFeature(p, name, loc, cps)
13679 ChessProgramState *cps;
13682 int len = strlen(name);
13683 if (strncmp((*p), name, len) == 0
13684 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
13686 sscanf(*p, "%[^\"]", loc);
13687 while (**p && **p != '\"') (*p)++;
13688 if (**p == '\"') (*p)++;
13689 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13690 SendToProgram(buf, cps);
13697 ParseOption(Option *opt, ChessProgramState *cps)
13698 // [HGM] options: process the string that defines an engine option, and determine
13699 // name, type, default value, and allowed value range
13701 char *p, *q, buf[MSG_SIZ];
13702 int n, min = (-1)<<31, max = 1<<31, def;
13704 if(p = strstr(opt->name, " -spin ")) {
13705 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13706 if(max < min) max = min; // enforce consistency
13707 if(def < min) def = min;
13708 if(def > max) def = max;
13713 } else if((p = strstr(opt->name, " -slider "))) {
13714 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
13715 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13716 if(max < min) max = min; // enforce consistency
13717 if(def < min) def = min;
13718 if(def > max) def = max;
13722 opt->type = Spin; // Slider;
13723 } else if((p = strstr(opt->name, " -string "))) {
13724 opt->textValue = p+9;
13725 opt->type = TextBox;
13726 } else if((p = strstr(opt->name, " -file "))) {
13727 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13728 opt->textValue = p+7;
13729 opt->type = TextBox; // FileName;
13730 } else if((p = strstr(opt->name, " -path "))) {
13731 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13732 opt->textValue = p+7;
13733 opt->type = TextBox; // PathName;
13734 } else if(p = strstr(opt->name, " -check ")) {
13735 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
13736 opt->value = (def != 0);
13737 opt->type = CheckBox;
13738 } else if(p = strstr(opt->name, " -combo ")) {
13739 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
13740 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
13741 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
13742 opt->value = n = 0;
13743 while(q = StrStr(q, " /// ")) {
13744 n++; *q = 0; // count choices, and null-terminate each of them
13746 if(*q == '*') { // remember default, which is marked with * prefix
13750 cps->comboList[cps->comboCnt++] = q;
13752 cps->comboList[cps->comboCnt++] = NULL;
13754 opt->type = ComboBox;
13755 } else if(p = strstr(opt->name, " -button")) {
13756 opt->type = Button;
13757 } else if(p = strstr(opt->name, " -save")) {
13758 opt->type = SaveButton;
13759 } else return FALSE;
13760 *p = 0; // terminate option name
13761 // now look if the command-line options define a setting for this engine option.
13762 if(cps->optionSettings && cps->optionSettings[0])
13763 p = strstr(cps->optionSettings, opt->name); else p = NULL;
13764 if(p && (p == cps->optionSettings || p[-1] == ',')) {
13765 snprintf(buf, MSG_SIZ, "option %s", p);
13766 if(p = strstr(buf, ",")) *p = 0;
13768 SendToProgram(buf, cps);
13774 FeatureDone(cps, val)
13775 ChessProgramState* cps;
13778 DelayedEventCallback cb = GetDelayedEvent();
13779 if ((cb == InitBackEnd3 && cps == &first) ||
13780 (cb == TwoMachinesEventIfReady && cps == &second)) {
13781 CancelDelayedEvent();
13782 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
13784 cps->initDone = val;
13787 /* Parse feature command from engine */
13789 ParseFeatures(args, cps)
13791 ChessProgramState *cps;
13799 while (*p == ' ') p++;
13800 if (*p == NULLCHAR) return;
13802 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
13803 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
13804 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
13805 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
13806 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
13807 if (BoolFeature(&p, "reuse", &val, cps)) {
13808 /* Engine can disable reuse, but can't enable it if user said no */
13809 if (!val) cps->reuse = FALSE;
13812 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
13813 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
13814 if (gameMode == TwoMachinesPlay) {
13815 DisplayTwoMachinesTitle();
13821 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
13822 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
13823 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
13824 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
13825 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
13826 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
13827 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
13828 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
13829 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
13830 if (IntFeature(&p, "done", &val, cps)) {
13831 FeatureDone(cps, val);
13834 /* Added by Tord: */
13835 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
13836 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
13837 /* End of additions by Tord */
13839 /* [HGM] added features: */
13840 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
13841 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
13842 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
13843 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
13844 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13845 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
13846 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
13847 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
13848 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
13849 SendToProgram(buf, cps);
13852 if(cps->nrOptions >= MAX_OPTIONS) {
13854 snprintf(buf, MSG_SIZ, "%s engine has too many options\n", cps->which);
13855 DisplayError(buf, 0);
13859 /* End of additions by HGM */
13861 /* unknown feature: complain and skip */
13863 while (*q && *q != '=') q++;
13864 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
13865 SendToProgram(buf, cps);
13871 while (*p && *p != '\"') p++;
13872 if (*p == '\"') p++;
13874 while (*p && *p != ' ') p++;
13882 PeriodicUpdatesEvent(newState)
13885 if (newState == appData.periodicUpdates)
13888 appData.periodicUpdates=newState;
13890 /* Display type changes, so update it now */
13891 // DisplayAnalysis();
13893 /* Get the ball rolling again... */
13895 AnalysisPeriodicEvent(1);
13896 StartAnalysisClock();
13901 PonderNextMoveEvent(newState)
13904 if (newState == appData.ponderNextMove) return;
13905 if (gameMode == EditPosition) EditPositionDone(TRUE);
13907 SendToProgram("hard\n", &first);
13908 if (gameMode == TwoMachinesPlay) {
13909 SendToProgram("hard\n", &second);
13912 SendToProgram("easy\n", &first);
13913 thinkOutput[0] = NULLCHAR;
13914 if (gameMode == TwoMachinesPlay) {
13915 SendToProgram("easy\n", &second);
13918 appData.ponderNextMove = newState;
13922 NewSettingEvent(option, feature, command, value)
13924 int option, value, *feature;
13928 if (gameMode == EditPosition) EditPositionDone(TRUE);
13929 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
13930 if(feature == NULL || *feature) SendToProgram(buf, &first);
13931 if (gameMode == TwoMachinesPlay) {
13932 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
13937 ShowThinkingEvent()
13938 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
13940 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
13941 int newState = appData.showThinking
13942 // [HGM] thinking: other features now need thinking output as well
13943 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
13945 if (oldState == newState) return;
13946 oldState = newState;
13947 if (gameMode == EditPosition) EditPositionDone(TRUE);
13949 SendToProgram("post\n", &first);
13950 if (gameMode == TwoMachinesPlay) {
13951 SendToProgram("post\n", &second);
13954 SendToProgram("nopost\n", &first);
13955 thinkOutput[0] = NULLCHAR;
13956 if (gameMode == TwoMachinesPlay) {
13957 SendToProgram("nopost\n", &second);
13960 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
13964 AskQuestionEvent(title, question, replyPrefix, which)
13965 char *title; char *question; char *replyPrefix; char *which;
13967 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
13968 if (pr == NoProc) return;
13969 AskQuestion(title, question, replyPrefix, pr);
13973 DisplayMove(moveNumber)
13976 char message[MSG_SIZ];
13978 char cpThinkOutput[MSG_SIZ];
13980 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
13982 if (moveNumber == forwardMostMove - 1 ||
13983 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13985 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
13987 if (strchr(cpThinkOutput, '\n')) {
13988 *strchr(cpThinkOutput, '\n') = NULLCHAR;
13991 *cpThinkOutput = NULLCHAR;
13994 /* [AS] Hide thinking from human user */
13995 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
13996 *cpThinkOutput = NULLCHAR;
13997 if( thinkOutput[0] != NULLCHAR ) {
14000 for( i=0; i<=hiddenThinkOutputState; i++ ) {
14001 cpThinkOutput[i] = '.';
14003 cpThinkOutput[i] = NULLCHAR;
14004 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
14008 if (moveNumber == forwardMostMove - 1 &&
14009 gameInfo.resultDetails != NULL) {
14010 if (gameInfo.resultDetails[0] == NULLCHAR) {
14011 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
14013 snprintf(res, MSG_SIZ, " {%s} %s",
14014 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
14020 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14021 DisplayMessage(res, cpThinkOutput);
14023 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
14024 WhiteOnMove(moveNumber) ? " " : ".. ",
14025 parseList[moveNumber], res);
14026 DisplayMessage(message, cpThinkOutput);
14031 DisplayComment(moveNumber, text)
14035 char title[MSG_SIZ];
14036 char buf[8000]; // comment can be long!
14039 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14040 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
14042 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
14043 WhiteOnMove(moveNumber) ? " " : ".. ",
14044 parseList[moveNumber]);
14046 // [HGM] PV info: display PV info together with (or as) comment
14047 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
14048 if(text == NULL) text = "";
14049 score = pvInfoList[moveNumber].score;
14050 snprintf(buf,sizeof(buf)/sizeof(buf[0]), "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
14051 depth, (pvInfoList[moveNumber].time+50)/100, text);
14054 if (text != NULL && (appData.autoDisplayComment || commentUp))
14055 CommentPopUp(title, text);
14058 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
14059 * might be busy thinking or pondering. It can be omitted if your
14060 * gnuchess is configured to stop thinking immediately on any user
14061 * input. However, that gnuchess feature depends on the FIONREAD
14062 * ioctl, which does not work properly on some flavors of Unix.
14066 ChessProgramState *cps;
14069 if (!cps->useSigint) return;
14070 if (appData.noChessProgram || (cps->pr == NoProc)) return;
14071 switch (gameMode) {
14072 case MachinePlaysWhite:
14073 case MachinePlaysBlack:
14074 case TwoMachinesPlay:
14075 case IcsPlayingWhite:
14076 case IcsPlayingBlack:
14079 /* Skip if we know it isn't thinking */
14080 if (!cps->maybeThinking) return;
14081 if (appData.debugMode)
14082 fprintf(debugFP, "Interrupting %s\n", cps->which);
14083 InterruptChildProcess(cps->pr);
14084 cps->maybeThinking = FALSE;
14089 #endif /*ATTENTION*/
14095 if (whiteTimeRemaining <= 0) {
14098 if (appData.icsActive) {
14099 if (appData.autoCallFlag &&
14100 gameMode == IcsPlayingBlack && !blackFlag) {
14101 SendToICS(ics_prefix);
14102 SendToICS("flag\n");
14106 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14108 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
14109 if (appData.autoCallFlag) {
14110 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
14117 if (blackTimeRemaining <= 0) {
14120 if (appData.icsActive) {
14121 if (appData.autoCallFlag &&
14122 gameMode == IcsPlayingWhite && !whiteFlag) {
14123 SendToICS(ics_prefix);
14124 SendToICS("flag\n");
14128 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14130 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
14131 if (appData.autoCallFlag) {
14132 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
14145 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
14146 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
14149 * add time to clocks when time control is achieved ([HGM] now also used for increment)
14151 if ( !WhiteOnMove(forwardMostMove) ) {
14152 /* White made time control */
14153 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
14154 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
14155 /* [HGM] time odds: correct new time quota for time odds! */
14156 / WhitePlayer()->timeOdds;
14157 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
14159 lastBlack -= blackTimeRemaining;
14160 /* Black made time control */
14161 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
14162 / WhitePlayer()->other->timeOdds;
14163 lastWhite = whiteTimeRemaining;
14168 DisplayBothClocks()
14170 int wom = gameMode == EditPosition ?
14171 !blackPlaysFirst : WhiteOnMove(currentMove);
14172 DisplayWhiteClock(whiteTimeRemaining, wom);
14173 DisplayBlackClock(blackTimeRemaining, !wom);
14177 /* Timekeeping seems to be a portability nightmare. I think everyone
14178 has ftime(), but I'm really not sure, so I'm including some ifdefs
14179 to use other calls if you don't. Clocks will be less accurate if
14180 you have neither ftime nor gettimeofday.
14183 /* VS 2008 requires the #include outside of the function */
14184 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
14185 #include <sys/timeb.h>
14188 /* Get the current time as a TimeMark */
14193 #if HAVE_GETTIMEOFDAY
14195 struct timeval timeVal;
14196 struct timezone timeZone;
14198 gettimeofday(&timeVal, &timeZone);
14199 tm->sec = (long) timeVal.tv_sec;
14200 tm->ms = (int) (timeVal.tv_usec / 1000L);
14202 #else /*!HAVE_GETTIMEOFDAY*/
14205 // include <sys/timeb.h> / moved to just above start of function
14206 struct timeb timeB;
14209 tm->sec = (long) timeB.time;
14210 tm->ms = (int) timeB.millitm;
14212 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
14213 tm->sec = (long) time(NULL);
14219 /* Return the difference in milliseconds between two
14220 time marks. We assume the difference will fit in a long!
14223 SubtractTimeMarks(tm2, tm1)
14224 TimeMark *tm2, *tm1;
14226 return 1000L*(tm2->sec - tm1->sec) +
14227 (long) (tm2->ms - tm1->ms);
14232 * Code to manage the game clocks.
14234 * In tournament play, black starts the clock and then white makes a move.
14235 * We give the human user a slight advantage if he is playing white---the
14236 * clocks don't run until he makes his first move, so it takes zero time.
14237 * Also, we don't account for network lag, so we could get out of sync
14238 * with GNU Chess's clock -- but then, referees are always right.
14241 static TimeMark tickStartTM;
14242 static long intendedTickLength;
14245 NextTickLength(timeRemaining)
14246 long timeRemaining;
14248 long nominalTickLength, nextTickLength;
14250 if (timeRemaining > 0L && timeRemaining <= 10000L)
14251 nominalTickLength = 100L;
14253 nominalTickLength = 1000L;
14254 nextTickLength = timeRemaining % nominalTickLength;
14255 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
14257 return nextTickLength;
14260 /* Adjust clock one minute up or down */
14262 AdjustClock(Boolean which, int dir)
14264 if(which) blackTimeRemaining += 60000*dir;
14265 else whiteTimeRemaining += 60000*dir;
14266 DisplayBothClocks();
14269 /* Stop clocks and reset to a fresh time control */
14273 (void) StopClockTimer();
14274 if (appData.icsActive) {
14275 whiteTimeRemaining = blackTimeRemaining = 0;
14276 } else if (searchTime) {
14277 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14278 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14279 } else { /* [HGM] correct new time quote for time odds */
14280 whiteTC = blackTC = fullTimeControlString;
14281 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
14282 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
14284 if (whiteFlag || blackFlag) {
14286 whiteFlag = blackFlag = FALSE;
14288 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
14289 DisplayBothClocks();
14292 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
14294 /* Decrement running clock by amount of time that has passed */
14298 long timeRemaining;
14299 long lastTickLength, fudge;
14302 if (!appData.clockMode) return;
14303 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
14307 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14309 /* Fudge if we woke up a little too soon */
14310 fudge = intendedTickLength - lastTickLength;
14311 if (fudge < 0 || fudge > FUDGE) fudge = 0;
14313 if (WhiteOnMove(forwardMostMove)) {
14314 if(whiteNPS >= 0) lastTickLength = 0;
14315 timeRemaining = whiteTimeRemaining -= lastTickLength;
14316 if(timeRemaining < 0) {
14317 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
14318 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
14319 whiteStartMove = forwardMostMove; whiteTC = nextSession;
14320 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
14323 DisplayWhiteClock(whiteTimeRemaining - fudge,
14324 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14326 if(blackNPS >= 0) lastTickLength = 0;
14327 timeRemaining = blackTimeRemaining -= lastTickLength;
14328 if(timeRemaining < 0) { // [HGM] if we run out of a non-last incremental session, go to the next
14329 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
14331 blackStartMove = forwardMostMove;
14332 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
14335 DisplayBlackClock(blackTimeRemaining - fudge,
14336 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14338 if (CheckFlags()) return;
14341 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
14342 StartClockTimer(intendedTickLength);
14344 /* if the time remaining has fallen below the alarm threshold, sound the
14345 * alarm. if the alarm has sounded and (due to a takeback or time control
14346 * with increment) the time remaining has increased to a level above the
14347 * threshold, reset the alarm so it can sound again.
14350 if (appData.icsActive && appData.icsAlarm) {
14352 /* make sure we are dealing with the user's clock */
14353 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
14354 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
14357 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
14358 alarmSounded = FALSE;
14359 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
14361 alarmSounded = TRUE;
14367 /* A player has just moved, so stop the previously running
14368 clock and (if in clock mode) start the other one.
14369 We redisplay both clocks in case we're in ICS mode, because
14370 ICS gives us an update to both clocks after every move.
14371 Note that this routine is called *after* forwardMostMove
14372 is updated, so the last fractional tick must be subtracted
14373 from the color that is *not* on move now.
14376 SwitchClocks(int newMoveNr)
14378 long lastTickLength;
14380 int flagged = FALSE;
14384 if (StopClockTimer() && appData.clockMode) {
14385 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14386 if (!WhiteOnMove(forwardMostMove)) {
14387 if(blackNPS >= 0) lastTickLength = 0;
14388 blackTimeRemaining -= lastTickLength;
14389 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14390 // if(pvInfoList[forwardMostMove-1].time == -1)
14391 pvInfoList[forwardMostMove-1].time = // use GUI time
14392 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
14394 if(whiteNPS >= 0) lastTickLength = 0;
14395 whiteTimeRemaining -= lastTickLength;
14396 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14397 // if(pvInfoList[forwardMostMove-1].time == -1)
14398 pvInfoList[forwardMostMove-1].time =
14399 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
14401 flagged = CheckFlags();
14403 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
14404 CheckTimeControl();
14406 if (flagged || !appData.clockMode) return;
14408 switch (gameMode) {
14409 case MachinePlaysBlack:
14410 case MachinePlaysWhite:
14411 case BeginningOfGame:
14412 if (pausing) return;
14416 case PlayFromGameFile:
14424 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
14425 if(WhiteOnMove(forwardMostMove))
14426 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14427 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14431 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14432 whiteTimeRemaining : blackTimeRemaining);
14433 StartClockTimer(intendedTickLength);
14437 /* Stop both clocks */
14441 long lastTickLength;
14444 if (!StopClockTimer()) return;
14445 if (!appData.clockMode) return;
14449 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14450 if (WhiteOnMove(forwardMostMove)) {
14451 if(whiteNPS >= 0) lastTickLength = 0;
14452 whiteTimeRemaining -= lastTickLength;
14453 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
14455 if(blackNPS >= 0) lastTickLength = 0;
14456 blackTimeRemaining -= lastTickLength;
14457 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
14462 /* Start clock of player on move. Time may have been reset, so
14463 if clock is already running, stop and restart it. */
14467 (void) StopClockTimer(); /* in case it was running already */
14468 DisplayBothClocks();
14469 if (CheckFlags()) return;
14471 if (!appData.clockMode) return;
14472 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
14474 GetTimeMark(&tickStartTM);
14475 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14476 whiteTimeRemaining : blackTimeRemaining);
14478 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
14479 whiteNPS = blackNPS = -1;
14480 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
14481 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
14482 whiteNPS = first.nps;
14483 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
14484 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
14485 blackNPS = first.nps;
14486 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
14487 whiteNPS = second.nps;
14488 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
14489 blackNPS = second.nps;
14490 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
14492 StartClockTimer(intendedTickLength);
14499 long second, minute, hour, day;
14501 static char buf[32];
14503 if (ms > 0 && ms <= 9900) {
14504 /* convert milliseconds to tenths, rounding up */
14505 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
14507 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
14511 /* convert milliseconds to seconds, rounding up */
14512 /* use floating point to avoid strangeness of integer division
14513 with negative dividends on many machines */
14514 second = (long) floor(((double) (ms + 999L)) / 1000.0);
14521 day = second / (60 * 60 * 24);
14522 second = second % (60 * 60 * 24);
14523 hour = second / (60 * 60);
14524 second = second % (60 * 60);
14525 minute = second / 60;
14526 second = second % 60;
14529 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
14530 sign, day, hour, minute, second);
14532 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
14534 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
14541 * This is necessary because some C libraries aren't ANSI C compliant yet.
14544 StrStr(string, match)
14545 char *string, *match;
14549 length = strlen(match);
14551 for (i = strlen(string) - length; i >= 0; i--, string++)
14552 if (!strncmp(match, string, length))
14559 StrCaseStr(string, match)
14560 char *string, *match;
14564 length = strlen(match);
14566 for (i = strlen(string) - length; i >= 0; i--, string++) {
14567 for (j = 0; j < length; j++) {
14568 if (ToLower(match[j]) != ToLower(string[j]))
14571 if (j == length) return string;
14585 c1 = ToLower(*s1++);
14586 c2 = ToLower(*s2++);
14587 if (c1 > c2) return 1;
14588 if (c1 < c2) return -1;
14589 if (c1 == NULLCHAR) return 0;
14598 return isupper(c) ? tolower(c) : c;
14606 return islower(c) ? toupper(c) : c;
14608 #endif /* !_amigados */
14616 if ((ret = (char *) malloc(strlen(s) + 1)))
14618 safeStrCpy(ret, s, strlen(s)+1);
14624 StrSavePtr(s, savePtr)
14625 char *s, **savePtr;
14630 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
14631 safeStrCpy(*savePtr, s, strlen(s)+1);
14643 clock = time((time_t *)NULL);
14644 tm = localtime(&clock);
14645 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
14646 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
14647 return StrSave(buf);
14652 PositionToFEN(move, overrideCastling)
14654 char *overrideCastling;
14656 int i, j, fromX, fromY, toX, toY;
14663 whiteToPlay = (gameMode == EditPosition) ?
14664 !blackPlaysFirst : (move % 2 == 0);
14667 /* Piece placement data */
14668 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14670 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14671 if (boards[move][i][j] == EmptySquare) {
14673 } else { ChessSquare piece = boards[move][i][j];
14674 if (emptycount > 0) {
14675 if(emptycount<10) /* [HGM] can be >= 10 */
14676 *p++ = '0' + emptycount;
14677 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14680 if(PieceToChar(piece) == '+') {
14681 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
14683 piece = (ChessSquare)(DEMOTED piece);
14685 *p++ = PieceToChar(piece);
14687 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
14688 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
14693 if (emptycount > 0) {
14694 if(emptycount<10) /* [HGM] can be >= 10 */
14695 *p++ = '0' + emptycount;
14696 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14703 /* [HGM] print Crazyhouse or Shogi holdings */
14704 if( gameInfo.holdingsWidth ) {
14705 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
14707 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
14708 piece = boards[move][i][BOARD_WIDTH-1];
14709 if( piece != EmptySquare )
14710 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
14711 *p++ = PieceToChar(piece);
14713 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
14714 piece = boards[move][BOARD_HEIGHT-i-1][0];
14715 if( piece != EmptySquare )
14716 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
14717 *p++ = PieceToChar(piece);
14720 if( q == p ) *p++ = '-';
14726 *p++ = whiteToPlay ? 'w' : 'b';
14729 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
14730 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
14732 if(nrCastlingRights) {
14734 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
14735 /* [HGM] write directly from rights */
14736 if(boards[move][CASTLING][2] != NoRights &&
14737 boards[move][CASTLING][0] != NoRights )
14738 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
14739 if(boards[move][CASTLING][2] != NoRights &&
14740 boards[move][CASTLING][1] != NoRights )
14741 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
14742 if(boards[move][CASTLING][5] != NoRights &&
14743 boards[move][CASTLING][3] != NoRights )
14744 *p++ = boards[move][CASTLING][3] + AAA;
14745 if(boards[move][CASTLING][5] != NoRights &&
14746 boards[move][CASTLING][4] != NoRights )
14747 *p++ = boards[move][CASTLING][4] + AAA;
14750 /* [HGM] write true castling rights */
14751 if( nrCastlingRights == 6 ) {
14752 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
14753 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
14754 if(boards[move][CASTLING][1] == BOARD_LEFT &&
14755 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
14756 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
14757 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
14758 if(boards[move][CASTLING][4] == BOARD_LEFT &&
14759 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
14762 if (q == p) *p++ = '-'; /* No castling rights */
14766 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14767 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14768 /* En passant target square */
14769 if (move > backwardMostMove) {
14770 fromX = moveList[move - 1][0] - AAA;
14771 fromY = moveList[move - 1][1] - ONE;
14772 toX = moveList[move - 1][2] - AAA;
14773 toY = moveList[move - 1][3] - ONE;
14774 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
14775 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
14776 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
14778 /* 2-square pawn move just happened */
14780 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14784 } else if(move == backwardMostMove) {
14785 // [HGM] perhaps we should always do it like this, and forget the above?
14786 if((signed char)boards[move][EP_STATUS] >= 0) {
14787 *p++ = boards[move][EP_STATUS] + AAA;
14788 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14799 /* [HGM] find reversible plies */
14800 { int i = 0, j=move;
14802 if (appData.debugMode) { int k;
14803 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
14804 for(k=backwardMostMove; k<=forwardMostMove; k++)
14805 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
14809 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
14810 if( j == backwardMostMove ) i += initialRulePlies;
14811 sprintf(p, "%d ", i);
14812 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
14814 /* Fullmove number */
14815 sprintf(p, "%d", (move / 2) + 1);
14817 return StrSave(buf);
14821 ParseFEN(board, blackPlaysFirst, fen)
14823 int *blackPlaysFirst;
14833 /* [HGM] by default clear Crazyhouse holdings, if present */
14834 if(gameInfo.holdingsWidth) {
14835 for(i=0; i<BOARD_HEIGHT; i++) {
14836 board[i][0] = EmptySquare; /* black holdings */
14837 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
14838 board[i][1] = (ChessSquare) 0; /* black counts */
14839 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
14843 /* Piece placement data */
14844 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14847 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
14848 if (*p == '/') p++;
14849 emptycount = gameInfo.boardWidth - j;
14850 while (emptycount--)
14851 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14853 #if(BOARD_FILES >= 10)
14854 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
14855 p++; emptycount=10;
14856 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14857 while (emptycount--)
14858 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14860 } else if (isdigit(*p)) {
14861 emptycount = *p++ - '0';
14862 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
14863 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14864 while (emptycount--)
14865 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14866 } else if (*p == '+' || isalpha(*p)) {
14867 if (j >= gameInfo.boardWidth) return FALSE;
14869 piece = CharToPiece(*++p);
14870 if(piece == EmptySquare) return FALSE; /* unknown piece */
14871 piece = (ChessSquare) (PROMOTED piece ); p++;
14872 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
14873 } else piece = CharToPiece(*p++);
14875 if(piece==EmptySquare) return FALSE; /* unknown piece */
14876 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
14877 piece = (ChessSquare) (PROMOTED piece);
14878 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
14881 board[i][(j++)+gameInfo.holdingsWidth] = piece;
14887 while (*p == '/' || *p == ' ') p++;
14889 /* [HGM] look for Crazyhouse holdings here */
14890 while(*p==' ') p++;
14891 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
14893 if(*p == '-' ) p++; /* empty holdings */ else {
14894 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
14895 /* if we would allow FEN reading to set board size, we would */
14896 /* have to add holdings and shift the board read so far here */
14897 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
14899 if((int) piece >= (int) BlackPawn ) {
14900 i = (int)piece - (int)BlackPawn;
14901 i = PieceToNumber((ChessSquare)i);
14902 if( i >= gameInfo.holdingsSize ) return FALSE;
14903 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
14904 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
14906 i = (int)piece - (int)WhitePawn;
14907 i = PieceToNumber((ChessSquare)i);
14908 if( i >= gameInfo.holdingsSize ) return FALSE;
14909 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
14910 board[i][BOARD_WIDTH-2]++; /* black holdings */
14917 while(*p == ' ') p++;
14921 if(appData.colorNickNames) {
14922 if( c == appData.colorNickNames[0] ) c = 'w'; else
14923 if( c == appData.colorNickNames[1] ) c = 'b';
14927 *blackPlaysFirst = FALSE;
14930 *blackPlaysFirst = TRUE;
14936 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
14937 /* return the extra info in global variiables */
14939 /* set defaults in case FEN is incomplete */
14940 board[EP_STATUS] = EP_UNKNOWN;
14941 for(i=0; i<nrCastlingRights; i++ ) {
14942 board[CASTLING][i] =
14943 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
14944 } /* assume possible unless obviously impossible */
14945 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
14946 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
14947 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
14948 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
14949 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
14950 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
14951 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
14952 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
14955 while(*p==' ') p++;
14956 if(nrCastlingRights) {
14957 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
14958 /* castling indicator present, so default becomes no castlings */
14959 for(i=0; i<nrCastlingRights; i++ ) {
14960 board[CASTLING][i] = NoRights;
14963 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
14964 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
14965 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
14966 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
14967 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
14969 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
14970 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
14971 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
14973 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
14974 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
14975 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
14976 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
14977 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
14978 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
14981 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
14982 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
14983 board[CASTLING][2] = whiteKingFile;
14986 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
14987 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
14988 board[CASTLING][2] = whiteKingFile;
14991 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
14992 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
14993 board[CASTLING][5] = blackKingFile;
14996 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
14997 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
14998 board[CASTLING][5] = blackKingFile;
15001 default: /* FRC castlings */
15002 if(c >= 'a') { /* black rights */
15003 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15004 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
15005 if(i == BOARD_RGHT) break;
15006 board[CASTLING][5] = i;
15008 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
15009 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
15011 board[CASTLING][3] = c;
15013 board[CASTLING][4] = c;
15014 } else { /* white rights */
15015 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15016 if(board[0][i] == WhiteKing) break;
15017 if(i == BOARD_RGHT) break;
15018 board[CASTLING][2] = i;
15019 c -= AAA - 'a' + 'A';
15020 if(board[0][c] >= WhiteKing) break;
15022 board[CASTLING][0] = c;
15024 board[CASTLING][1] = c;
15028 for(i=0; i<nrCastlingRights; i++)
15029 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
15030 if (appData.debugMode) {
15031 fprintf(debugFP, "FEN castling rights:");
15032 for(i=0; i<nrCastlingRights; i++)
15033 fprintf(debugFP, " %d", board[CASTLING][i]);
15034 fprintf(debugFP, "\n");
15037 while(*p==' ') p++;
15040 /* read e.p. field in games that know e.p. capture */
15041 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
15042 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
15044 p++; board[EP_STATUS] = EP_NONE;
15046 char c = *p++ - AAA;
15048 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
15049 if(*p >= '0' && *p <='9') p++;
15050 board[EP_STATUS] = c;
15055 if(sscanf(p, "%d", &i) == 1) {
15056 FENrulePlies = i; /* 50-move ply counter */
15057 /* (The move number is still ignored) */
15064 EditPositionPasteFEN(char *fen)
15067 Board initial_position;
15069 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
15070 DisplayError(_("Bad FEN position in clipboard"), 0);
15073 int savedBlackPlaysFirst = blackPlaysFirst;
15074 EditPositionEvent();
15075 blackPlaysFirst = savedBlackPlaysFirst;
15076 CopyBoard(boards[0], initial_position);
15077 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
15078 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
15079 DisplayBothClocks();
15080 DrawPosition(FALSE, boards[currentMove]);
15085 static char cseq[12] = "\\ ";
15087 Boolean set_cont_sequence(char *new_seq)
15092 // handle bad attempts to set the sequence
15094 return 0; // acceptable error - no debug
15096 len = strlen(new_seq);
15097 ret = (len > 0) && (len < sizeof(cseq));
15099 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
15100 else if (appData.debugMode)
15101 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
15106 reformat a source message so words don't cross the width boundary. internal
15107 newlines are not removed. returns the wrapped size (no null character unless
15108 included in source message). If dest is NULL, only calculate the size required
15109 for the dest buffer. lp argument indicats line position upon entry, and it's
15110 passed back upon exit.
15112 int wrap(char *dest, char *src, int count, int width, int *lp)
15114 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
15116 cseq_len = strlen(cseq);
15117 old_line = line = *lp;
15118 ansi = len = clen = 0;
15120 for (i=0; i < count; i++)
15122 if (src[i] == '\033')
15125 // if we hit the width, back up
15126 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
15128 // store i & len in case the word is too long
15129 old_i = i, old_len = len;
15131 // find the end of the last word
15132 while (i && src[i] != ' ' && src[i] != '\n')
15138 // word too long? restore i & len before splitting it
15139 if ((old_i-i+clen) >= width)
15146 if (i && src[i-1] == ' ')
15149 if (src[i] != ' ' && src[i] != '\n')
15156 // now append the newline and continuation sequence
15161 strncpy(dest+len, cseq, cseq_len);
15169 dest[len] = src[i];
15173 if (src[i] == '\n')
15178 if (dest && appData.debugMode)
15180 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
15181 count, width, line, len, *lp);
15182 show_bytes(debugFP, src, count);
15183 fprintf(debugFP, "\ndest: ");
15184 show_bytes(debugFP, dest, len);
15185 fprintf(debugFP, "\n");
15187 *lp = dest ? line : old_line;
15192 // [HGM] vari: routines for shelving variations
15195 PushTail(int firstMove, int lastMove)
15197 int i, j, nrMoves = lastMove - firstMove;
15199 if(appData.icsActive) { // only in local mode
15200 forwardMostMove = currentMove; // mimic old ICS behavior
15203 if(storedGames >= MAX_VARIATIONS-1) return;
15205 // push current tail of game on stack
15206 savedResult[storedGames] = gameInfo.result;
15207 savedDetails[storedGames] = gameInfo.resultDetails;
15208 gameInfo.resultDetails = NULL;
15209 savedFirst[storedGames] = firstMove;
15210 savedLast [storedGames] = lastMove;
15211 savedFramePtr[storedGames] = framePtr;
15212 framePtr -= nrMoves; // reserve space for the boards
15213 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
15214 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
15215 for(j=0; j<MOVE_LEN; j++)
15216 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
15217 for(j=0; j<2*MOVE_LEN; j++)
15218 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
15219 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
15220 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
15221 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
15222 pvInfoList[firstMove+i-1].depth = 0;
15223 commentList[framePtr+i] = commentList[firstMove+i];
15224 commentList[firstMove+i] = NULL;
15228 forwardMostMove = firstMove; // truncate game so we can start variation
15229 if(storedGames == 1) GreyRevert(FALSE);
15233 PopTail(Boolean annotate)
15236 char buf[8000], moveBuf[20];
15238 if(appData.icsActive) return FALSE; // only in local mode
15239 if(!storedGames) return FALSE; // sanity
15240 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
15243 ToNrEvent(savedFirst[storedGames]); // sets currentMove
15244 nrMoves = savedLast[storedGames] - currentMove;
15247 if(!WhiteOnMove(currentMove))
15248 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
15249 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
15250 for(i=currentMove; i<forwardMostMove; i++) {
15252 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
15253 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
15254 strcat(buf, moveBuf);
15255 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
15256 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
15260 for(i=1; i<=nrMoves; i++) { // copy last variation back
15261 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
15262 for(j=0; j<MOVE_LEN; j++)
15263 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
15264 for(j=0; j<2*MOVE_LEN; j++)
15265 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
15266 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
15267 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
15268 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
15269 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
15270 commentList[currentMove+i] = commentList[framePtr+i];
15271 commentList[framePtr+i] = NULL;
15273 if(annotate) AppendComment(currentMove+1, buf, FALSE);
15274 framePtr = savedFramePtr[storedGames];
15275 gameInfo.result = savedResult[storedGames];
15276 if(gameInfo.resultDetails != NULL) {
15277 free(gameInfo.resultDetails);
15279 gameInfo.resultDetails = savedDetails[storedGames];
15280 forwardMostMove = currentMove + nrMoves;
15281 if(storedGames == 0) GreyRevert(TRUE);
15287 { // remove all shelved variations
15289 for(i=0; i<storedGames; i++) {
15290 if(savedDetails[i])
15291 free(savedDetails[i]);
15292 savedDetails[i] = NULL;
15294 for(i=framePtr; i<MAX_MOVES; i++) {
15295 if(commentList[i]) free(commentList[i]);
15296 commentList[i] = NULL;
15298 framePtr = MAX_MOVES-1;
15303 LoadVariation(int index, char *text)
15304 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
15305 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
15306 int level = 0, move;
15308 if(gameMode != EditGame && gameMode != AnalyzeMode) return;
15309 // first find outermost bracketing variation
15310 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
15311 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
15312 if(*p == '{') wait = '}'; else
15313 if(*p == '[') wait = ']'; else
15314 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
15315 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
15317 if(*p == wait) wait = NULLCHAR; // closing ]} found
15320 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
15321 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
15322 end[1] = NULLCHAR; // clip off comment beyond variation
15323 ToNrEvent(currentMove-1);
15324 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
15325 // kludge: use ParsePV() to append variation to game
15326 move = currentMove;
15327 ParsePV(start, TRUE);
15328 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
15329 ClearPremoveHighlights();
15331 ToNrEvent(currentMove+1);