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;
1087 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1088 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1089 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1093 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1095 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1098 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1100 snprintf(buf, MSG_SIZ, ":%s", mytc);
1102 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1104 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1109 /* Parse second time control */
1112 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1120 timeControl_2 = tc2 * 1000;
1130 timeControl = tc1 * 1000;
1133 timeIncrement = ti * 1000; /* convert to ms */
1134 movesPerSession = 0;
1137 movesPerSession = mps;
1145 if (appData.debugMode) {
1146 fprintf(debugFP, "%s\n", programVersion);
1149 set_cont_sequence(appData.wrapContSeq);
1150 if (appData.matchGames > 0) {
1151 appData.matchMode = TRUE;
1152 } else if (appData.matchMode) {
1153 appData.matchGames = 1;
1155 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1156 appData.matchGames = appData.sameColorGames;
1157 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1158 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1159 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1162 if (appData.noChessProgram || first.protocolVersion == 1) {
1165 /* kludge: allow timeout for initial "feature" commands */
1167 DisplayMessage("", _("Starting chess program"));
1168 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1173 InitBackEnd3 P((void))
1175 GameMode initialMode;
1179 InitChessProgram(&first, startedFromSetupPosition);
1181 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1182 free(programVersion);
1183 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1184 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1187 if (appData.icsActive) {
1189 /* [DM] Make a console window if needed [HGM] merged ifs */
1195 if (*appData.icsCommPort != NULLCHAR)
1196 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1197 appData.icsCommPort);
1199 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1200 appData.icsHost, appData.icsPort);
1202 if( (len > MSG_SIZ) && appData.debugMode )
1203 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1205 DisplayFatalError(buf, err, 1);
1210 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1212 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1213 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1214 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1215 } else if (appData.noChessProgram) {
1221 if (*appData.cmailGameName != NULLCHAR) {
1223 OpenLoopback(&cmailPR);
1225 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1229 DisplayMessage("", "");
1230 if (StrCaseCmp(appData.initialMode, "") == 0) {
1231 initialMode = BeginningOfGame;
1232 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1233 initialMode = TwoMachinesPlay;
1234 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1235 initialMode = AnalyzeFile;
1236 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1237 initialMode = AnalyzeMode;
1238 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1239 initialMode = MachinePlaysWhite;
1240 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1241 initialMode = MachinePlaysBlack;
1242 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1243 initialMode = EditGame;
1244 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1245 initialMode = EditPosition;
1246 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1247 initialMode = Training;
1249 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1250 if( (len > MSG_SIZ) && appData.debugMode )
1251 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1253 DisplayFatalError(buf, 0, 2);
1257 if (appData.matchMode) {
1258 /* Set up machine vs. machine match */
1259 if (appData.noChessProgram) {
1260 DisplayFatalError(_("Can't have a match with no chess programs"),
1266 if (*appData.loadGameFile != NULLCHAR) {
1267 int index = appData.loadGameIndex; // [HGM] autoinc
1268 if(index<0) lastIndex = index = 1;
1269 if (!LoadGameFromFile(appData.loadGameFile,
1271 appData.loadGameFile, FALSE)) {
1272 DisplayFatalError(_("Bad game file"), 0, 1);
1275 } else if (*appData.loadPositionFile != NULLCHAR) {
1276 int index = appData.loadPositionIndex; // [HGM] autoinc
1277 if(index<0) lastIndex = index = 1;
1278 if (!LoadPositionFromFile(appData.loadPositionFile,
1280 appData.loadPositionFile)) {
1281 DisplayFatalError(_("Bad position file"), 0, 1);
1286 } else if (*appData.cmailGameName != NULLCHAR) {
1287 /* Set up cmail mode */
1288 ReloadCmailMsgEvent(TRUE);
1290 /* Set up other modes */
1291 if (initialMode == AnalyzeFile) {
1292 if (*appData.loadGameFile == NULLCHAR) {
1293 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1297 if (*appData.loadGameFile != NULLCHAR) {
1298 (void) LoadGameFromFile(appData.loadGameFile,
1299 appData.loadGameIndex,
1300 appData.loadGameFile, TRUE);
1301 } else if (*appData.loadPositionFile != NULLCHAR) {
1302 (void) LoadPositionFromFile(appData.loadPositionFile,
1303 appData.loadPositionIndex,
1304 appData.loadPositionFile);
1305 /* [HGM] try to make self-starting even after FEN load */
1306 /* to allow automatic setup of fairy variants with wtm */
1307 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1308 gameMode = BeginningOfGame;
1309 setboardSpoiledMachineBlack = 1;
1311 /* [HGM] loadPos: make that every new game uses the setup */
1312 /* from file as long as we do not switch variant */
1313 if(!blackPlaysFirst) {
1314 startedFromPositionFile = TRUE;
1315 CopyBoard(filePosition, boards[0]);
1318 if (initialMode == AnalyzeMode) {
1319 if (appData.noChessProgram) {
1320 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1323 if (appData.icsActive) {
1324 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1328 } else if (initialMode == AnalyzeFile) {
1329 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1330 ShowThinkingEvent();
1332 AnalysisPeriodicEvent(1);
1333 } else if (initialMode == MachinePlaysWhite) {
1334 if (appData.noChessProgram) {
1335 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1339 if (appData.icsActive) {
1340 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1344 MachineWhiteEvent();
1345 } else if (initialMode == MachinePlaysBlack) {
1346 if (appData.noChessProgram) {
1347 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1351 if (appData.icsActive) {
1352 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1356 MachineBlackEvent();
1357 } else if (initialMode == TwoMachinesPlay) {
1358 if (appData.noChessProgram) {
1359 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1363 if (appData.icsActive) {
1364 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1369 } else if (initialMode == EditGame) {
1371 } else if (initialMode == EditPosition) {
1372 EditPositionEvent();
1373 } else if (initialMode == Training) {
1374 if (*appData.loadGameFile == NULLCHAR) {
1375 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1384 * Establish will establish a contact to a remote host.port.
1385 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1386 * used to talk to the host.
1387 * Returns 0 if okay, error code if not.
1394 if (*appData.icsCommPort != NULLCHAR) {
1395 /* Talk to the host through a serial comm port */
1396 return OpenCommPort(appData.icsCommPort, &icsPR);
1398 } else if (*appData.gateway != NULLCHAR) {
1399 if (*appData.remoteShell == NULLCHAR) {
1400 /* Use the rcmd protocol to run telnet program on a gateway host */
1401 snprintf(buf, sizeof(buf), "%s %s %s",
1402 appData.telnetProgram, appData.icsHost, appData.icsPort);
1403 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1406 /* Use the rsh program to run telnet program on a gateway host */
1407 if (*appData.remoteUser == NULLCHAR) {
1408 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1409 appData.gateway, appData.telnetProgram,
1410 appData.icsHost, appData.icsPort);
1412 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1413 appData.remoteShell, appData.gateway,
1414 appData.remoteUser, appData.telnetProgram,
1415 appData.icsHost, appData.icsPort);
1417 return StartChildProcess(buf, "", &icsPR);
1420 } else if (appData.useTelnet) {
1421 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1424 /* TCP socket interface differs somewhat between
1425 Unix and NT; handle details in the front end.
1427 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1431 void EscapeExpand(char *p, char *q)
1432 { // [HGM] initstring: routine to shape up string arguments
1433 while(*p++ = *q++) if(p[-1] == '\\')
1435 case 'n': p[-1] = '\n'; break;
1436 case 'r': p[-1] = '\r'; break;
1437 case 't': p[-1] = '\t'; break;
1438 case '\\': p[-1] = '\\'; break;
1439 case 0: *p = 0; return;
1440 default: p[-1] = q[-1]; break;
1445 show_bytes(fp, buf, count)
1451 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1452 fprintf(fp, "\\%03o", *buf & 0xff);
1461 /* Returns an errno value */
1463 OutputMaybeTelnet(pr, message, count, outError)
1469 char buf[8192], *p, *q, *buflim;
1470 int left, newcount, outcount;
1472 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1473 *appData.gateway != NULLCHAR) {
1474 if (appData.debugMode) {
1475 fprintf(debugFP, ">ICS: ");
1476 show_bytes(debugFP, message, count);
1477 fprintf(debugFP, "\n");
1479 return OutputToProcess(pr, message, count, outError);
1482 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1489 if (appData.debugMode) {
1490 fprintf(debugFP, ">ICS: ");
1491 show_bytes(debugFP, buf, newcount);
1492 fprintf(debugFP, "\n");
1494 outcount = OutputToProcess(pr, buf, newcount, outError);
1495 if (outcount < newcount) return -1; /* to be sure */
1502 } else if (((unsigned char) *p) == TN_IAC) {
1503 *q++ = (char) TN_IAC;
1510 if (appData.debugMode) {
1511 fprintf(debugFP, ">ICS: ");
1512 show_bytes(debugFP, buf, newcount);
1513 fprintf(debugFP, "\n");
1515 outcount = OutputToProcess(pr, buf, newcount, outError);
1516 if (outcount < newcount) return -1; /* to be sure */
1521 read_from_player(isr, closure, message, count, error)
1528 int outError, outCount;
1529 static int gotEof = 0;
1531 /* Pass data read from player on to ICS */
1534 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1535 if (outCount < count) {
1536 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1538 } else if (count < 0) {
1539 RemoveInputSource(isr);
1540 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1541 } else if (gotEof++ > 0) {
1542 RemoveInputSource(isr);
1543 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1549 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1550 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1551 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1552 SendToICS("date\n");
1553 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1556 /* added routine for printf style output to ics */
1557 void ics_printf(char *format, ...)
1559 char buffer[MSG_SIZ];
1562 va_start(args, format);
1563 vsnprintf(buffer, sizeof(buffer), format, args);
1564 buffer[sizeof(buffer)-1] = '\0';
1573 int count, outCount, outError;
1575 if (icsPR == NULL) return;
1578 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1579 if (outCount < count) {
1580 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1584 /* This is used for sending logon scripts to the ICS. Sending
1585 without a delay causes problems when using timestamp on ICC
1586 (at least on my machine). */
1588 SendToICSDelayed(s,msdelay)
1592 int count, outCount, outError;
1594 if (icsPR == NULL) return;
1597 if (appData.debugMode) {
1598 fprintf(debugFP, ">ICS: ");
1599 show_bytes(debugFP, s, count);
1600 fprintf(debugFP, "\n");
1602 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1604 if (outCount < count) {
1605 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1610 /* Remove all highlighting escape sequences in s
1611 Also deletes any suffix starting with '('
1614 StripHighlightAndTitle(s)
1617 static char retbuf[MSG_SIZ];
1620 while (*s != NULLCHAR) {
1621 while (*s == '\033') {
1622 while (*s != NULLCHAR && !isalpha(*s)) s++;
1623 if (*s != NULLCHAR) s++;
1625 while (*s != NULLCHAR && *s != '\033') {
1626 if (*s == '(' || *s == '[') {
1637 /* Remove all highlighting escape sequences in s */
1642 static char retbuf[MSG_SIZ];
1645 while (*s != NULLCHAR) {
1646 while (*s == '\033') {
1647 while (*s != NULLCHAR && !isalpha(*s)) s++;
1648 if (*s != NULLCHAR) s++;
1650 while (*s != NULLCHAR && *s != '\033') {
1658 char *variantNames[] = VARIANT_NAMES;
1663 return variantNames[v];
1667 /* Identify a variant from the strings the chess servers use or the
1668 PGN Variant tag names we use. */
1675 VariantClass v = VariantNormal;
1676 int i, found = FALSE;
1682 /* [HGM] skip over optional board-size prefixes */
1683 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1684 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1685 while( *e++ != '_');
1688 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1692 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1693 if (StrCaseStr(e, variantNames[i])) {
1694 v = (VariantClass) i;
1701 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1702 || StrCaseStr(e, "wild/fr")
1703 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1704 v = VariantFischeRandom;
1705 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1706 (i = 1, p = StrCaseStr(e, "w"))) {
1708 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
1715 case 0: /* FICS only, actually */
1717 /* Castling legal even if K starts on d-file */
1718 v = VariantWildCastle;
1723 /* Castling illegal even if K & R happen to start in
1724 normal positions. */
1725 v = VariantNoCastle;
1738 /* Castling legal iff K & R start in normal positions */
1744 /* Special wilds for position setup; unclear what to do here */
1745 v = VariantLoadable;
1748 /* Bizarre ICC game */
1749 v = VariantTwoKings;
1752 v = VariantKriegspiel;
1758 v = VariantFischeRandom;
1761 v = VariantCrazyhouse;
1764 v = VariantBughouse;
1770 /* Not quite the same as FICS suicide! */
1771 v = VariantGiveaway;
1777 v = VariantShatranj;
1780 /* Temporary names for future ICC types. The name *will* change in
1781 the next xboard/WinBoard release after ICC defines it. */
1819 v = VariantCapablanca;
1822 v = VariantKnightmate;
1828 v = VariantCylinder;
1834 v = VariantCapaRandom;
1837 v = VariantBerolina;
1849 /* Found "wild" or "w" in the string but no number;
1850 must assume it's normal chess. */
1854 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
1855 if( (len > MSG_SIZ) && appData.debugMode )
1856 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
1858 DisplayError(buf, 0);
1864 if (appData.debugMode) {
1865 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
1866 e, wnum, VariantName(v));
1871 static int leftover_start = 0, leftover_len = 0;
1872 char star_match[STAR_MATCH_N][MSG_SIZ];
1874 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
1875 advance *index beyond it, and set leftover_start to the new value of
1876 *index; else return FALSE. If pattern contains the character '*', it
1877 matches any sequence of characters not containing '\r', '\n', or the
1878 character following the '*' (if any), and the matched sequence(s) are
1879 copied into star_match.
1882 looking_at(buf, index, pattern)
1887 char *bufp = &buf[*index], *patternp = pattern;
1889 char *matchp = star_match[0];
1892 if (*patternp == NULLCHAR) {
1893 *index = leftover_start = bufp - buf;
1897 if (*bufp == NULLCHAR) return FALSE;
1898 if (*patternp == '*') {
1899 if (*bufp == *(patternp + 1)) {
1901 matchp = star_match[++star_count];
1905 } else if (*bufp == '\n' || *bufp == '\r') {
1907 if (*patternp == NULLCHAR)
1912 *matchp++ = *bufp++;
1916 if (*patternp != *bufp) return FALSE;
1923 SendToPlayer(data, length)
1927 int error, outCount;
1928 outCount = OutputToProcess(NoProc, data, length, &error);
1929 if (outCount < length) {
1930 DisplayFatalError(_("Error writing to display"), error, 1);
1935 PackHolding(packed, holding)
1947 switch (runlength) {
1958 sprintf(q, "%d", runlength);
1970 /* Telnet protocol requests from the front end */
1972 TelnetRequest(ddww, option)
1973 unsigned char ddww, option;
1975 unsigned char msg[3];
1976 int outCount, outError;
1978 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
1980 if (appData.debugMode) {
1981 char buf1[8], buf2[8], *ddwwStr, *optionStr;
1997 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2006 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2009 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2014 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2016 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2023 if (!appData.icsActive) return;
2024 TelnetRequest(TN_DO, TN_ECHO);
2030 if (!appData.icsActive) return;
2031 TelnetRequest(TN_DONT, TN_ECHO);
2035 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
2037 /* put the holdings sent to us by the server on the board holdings area */
2038 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2042 if(gameInfo.holdingsWidth < 2) return;
2043 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2044 return; // prevent overwriting by pre-board holdings
2046 if( (int)lowestPiece >= BlackPawn ) {
2049 holdingsStartRow = BOARD_HEIGHT-1;
2052 holdingsColumn = BOARD_WIDTH-1;
2053 countsColumn = BOARD_WIDTH-2;
2054 holdingsStartRow = 0;
2058 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2059 board[i][holdingsColumn] = EmptySquare;
2060 board[i][countsColumn] = (ChessSquare) 0;
2062 while( (p=*holdings++) != NULLCHAR ) {
2063 piece = CharToPiece( ToUpper(p) );
2064 if(piece == EmptySquare) continue;
2065 /*j = (int) piece - (int) WhitePawn;*/
2066 j = PieceToNumber(piece);
2067 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2068 if(j < 0) continue; /* should not happen */
2069 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2070 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2071 board[holdingsStartRow+j*direction][countsColumn]++;
2077 VariantSwitch(Board board, VariantClass newVariant)
2079 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2080 static Board oldBoard;
2082 startedFromPositionFile = FALSE;
2083 if(gameInfo.variant == newVariant) return;
2085 /* [HGM] This routine is called each time an assignment is made to
2086 * gameInfo.variant during a game, to make sure the board sizes
2087 * are set to match the new variant. If that means adding or deleting
2088 * holdings, we shift the playing board accordingly
2089 * This kludge is needed because in ICS observe mode, we get boards
2090 * of an ongoing game without knowing the variant, and learn about the
2091 * latter only later. This can be because of the move list we requested,
2092 * in which case the game history is refilled from the beginning anyway,
2093 * but also when receiving holdings of a crazyhouse game. In the latter
2094 * case we want to add those holdings to the already received position.
2098 if (appData.debugMode) {
2099 fprintf(debugFP, "Switch board from %s to %s\n",
2100 VariantName(gameInfo.variant), VariantName(newVariant));
2101 setbuf(debugFP, NULL);
2103 shuffleOpenings = 0; /* [HGM] shuffle */
2104 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2108 newWidth = 9; newHeight = 9;
2109 gameInfo.holdingsSize = 7;
2110 case VariantBughouse:
2111 case VariantCrazyhouse:
2112 newHoldingsWidth = 2; break;
2116 newHoldingsWidth = 2;
2117 gameInfo.holdingsSize = 8;
2120 case VariantCapablanca:
2121 case VariantCapaRandom:
2124 newHoldingsWidth = gameInfo.holdingsSize = 0;
2127 if(newWidth != gameInfo.boardWidth ||
2128 newHeight != gameInfo.boardHeight ||
2129 newHoldingsWidth != gameInfo.holdingsWidth ) {
2131 /* shift position to new playing area, if needed */
2132 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2133 for(i=0; i<BOARD_HEIGHT; i++)
2134 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2135 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2137 for(i=0; i<newHeight; i++) {
2138 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2139 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2141 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2142 for(i=0; i<BOARD_HEIGHT; i++)
2143 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2144 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2147 gameInfo.boardWidth = newWidth;
2148 gameInfo.boardHeight = newHeight;
2149 gameInfo.holdingsWidth = newHoldingsWidth;
2150 gameInfo.variant = newVariant;
2151 InitDrawingSizes(-2, 0);
2152 } else gameInfo.variant = newVariant;
2153 CopyBoard(oldBoard, board); // remember correctly formatted board
2154 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2155 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2158 static int loggedOn = FALSE;
2160 /*-- Game start info cache: --*/
2162 char gs_kind[MSG_SIZ];
2163 static char player1Name[128] = "";
2164 static char player2Name[128] = "";
2165 static char cont_seq[] = "\n\\ ";
2166 static int player1Rating = -1;
2167 static int player2Rating = -1;
2168 /*----------------------------*/
2170 ColorClass curColor = ColorNormal;
2171 int suppressKibitz = 0;
2174 Boolean soughtPending = FALSE;
2175 Boolean seekGraphUp;
2176 #define MAX_SEEK_ADS 200
2178 char *seekAdList[MAX_SEEK_ADS];
2179 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2180 float tcList[MAX_SEEK_ADS];
2181 char colorList[MAX_SEEK_ADS];
2182 int nrOfSeekAds = 0;
2183 int minRating = 1010, maxRating = 2800;
2184 int hMargin = 10, vMargin = 20, h, w;
2185 extern int squareSize, lineGap;
2190 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2191 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2192 if(r < minRating+100 && r >=0 ) r = minRating+100;
2193 if(r > maxRating) r = maxRating;
2194 if(tc < 1.) tc = 1.;
2195 if(tc > 95.) tc = 95.;
2196 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2197 y = ((double)r - minRating)/(maxRating - minRating)
2198 * (h-vMargin-squareSize/8-1) + vMargin;
2199 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2200 if(strstr(seekAdList[i], " u ")) color = 1;
2201 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2202 !strstr(seekAdList[i], "bullet") &&
2203 !strstr(seekAdList[i], "blitz") &&
2204 !strstr(seekAdList[i], "standard") ) color = 2;
2205 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2206 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2210 AddAd(char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2212 char buf[MSG_SIZ], *ext = "";
2213 VariantClass v = StringToVariant(type);
2214 if(strstr(type, "wild")) {
2215 ext = type + 4; // append wild number
2216 if(v == VariantFischeRandom) type = "chess960"; else
2217 if(v == VariantLoadable) type = "setup"; else
2218 type = VariantName(v);
2220 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2221 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2222 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2223 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2224 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2225 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2226 seekNrList[nrOfSeekAds] = nr;
2227 zList[nrOfSeekAds] = 0;
2228 seekAdList[nrOfSeekAds++] = StrSave(buf);
2229 if(plot) PlotSeekAd(nrOfSeekAds-1);
2236 int x = xList[i], y = yList[i], d=squareSize/4, k;
2237 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2238 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2239 // now replot every dot that overlapped
2240 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2241 int xx = xList[k], yy = yList[k];
2242 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2243 DrawSeekDot(xx, yy, colorList[k]);
2248 RemoveSeekAd(int nr)
2251 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2253 if(seekAdList[i]) free(seekAdList[i]);
2254 seekAdList[i] = seekAdList[--nrOfSeekAds];
2255 seekNrList[i] = seekNrList[nrOfSeekAds];
2256 ratingList[i] = ratingList[nrOfSeekAds];
2257 colorList[i] = colorList[nrOfSeekAds];
2258 tcList[i] = tcList[nrOfSeekAds];
2259 xList[i] = xList[nrOfSeekAds];
2260 yList[i] = yList[nrOfSeekAds];
2261 zList[i] = zList[nrOfSeekAds];
2262 seekAdList[nrOfSeekAds] = NULL;
2268 MatchSoughtLine(char *line)
2270 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2271 int nr, base, inc, u=0; char dummy;
2273 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2274 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2276 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2277 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2278 // match: compact and save the line
2279 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2289 if(!seekGraphUp) return FALSE;
2290 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2291 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2293 DrawSeekBackground(0, 0, w, h);
2294 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2295 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2296 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2297 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2299 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2302 snprintf(buf, MSG_SIZ, "%d", i);
2303 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2306 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2307 for(i=1; i<100; i+=(i<10?1:5)) {
2308 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2309 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2310 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2312 snprintf(buf, MSG_SIZ, "%d", i);
2313 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2316 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2320 int SeekGraphClick(ClickType click, int x, int y, int moving)
2322 static int lastDown = 0, displayed = 0, lastSecond;
2323 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2324 if(click == Release || moving) return FALSE;
2326 soughtPending = TRUE;
2327 SendToICS(ics_prefix);
2328 SendToICS("sought\n"); // should this be "sought all"?
2329 } else { // issue challenge based on clicked ad
2330 int dist = 10000; int i, closest = 0, second = 0;
2331 for(i=0; i<nrOfSeekAds; i++) {
2332 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2333 if(d < dist) { dist = d; closest = i; }
2334 second += (d - zList[i] < 120); // count in-range ads
2335 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2339 second = (second > 1);
2340 if(displayed != closest || second != lastSecond) {
2341 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2342 lastSecond = second; displayed = closest;
2344 if(click == Press) {
2345 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2348 } // on press 'hit', only show info
2349 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2350 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2351 SendToICS(ics_prefix);
2353 return TRUE; // let incoming board of started game pop down the graph
2354 } else if(click == Release) { // release 'miss' is ignored
2355 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2356 if(moving == 2) { // right up-click
2357 nrOfSeekAds = 0; // refresh graph
2358 soughtPending = TRUE;
2359 SendToICS(ics_prefix);
2360 SendToICS("sought\n"); // should this be "sought all"?
2363 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2364 // press miss or release hit 'pop down' seek graph
2365 seekGraphUp = FALSE;
2366 DrawPosition(TRUE, NULL);
2372 read_from_ics(isr, closure, data, count, error)
2379 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2380 #define STARTED_NONE 0
2381 #define STARTED_MOVES 1
2382 #define STARTED_BOARD 2
2383 #define STARTED_OBSERVE 3
2384 #define STARTED_HOLDINGS 4
2385 #define STARTED_CHATTER 5
2386 #define STARTED_COMMENT 6
2387 #define STARTED_MOVES_NOHIDE 7
2389 static int started = STARTED_NONE;
2390 static char parse[20000];
2391 static int parse_pos = 0;
2392 static char buf[BUF_SIZE + 1];
2393 static int firstTime = TRUE, intfSet = FALSE;
2394 static ColorClass prevColor = ColorNormal;
2395 static int savingComment = FALSE;
2396 static int cmatch = 0; // continuation sequence match
2403 int backup; /* [DM] For zippy color lines */
2405 char talker[MSG_SIZ]; // [HGM] chat
2408 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2410 if (appData.debugMode) {
2412 fprintf(debugFP, "<ICS: ");
2413 show_bytes(debugFP, data, count);
2414 fprintf(debugFP, "\n");
2418 if (appData.debugMode) { int f = forwardMostMove;
2419 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2420 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2421 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2424 /* If last read ended with a partial line that we couldn't parse,
2425 prepend it to the new read and try again. */
2426 if (leftover_len > 0) {
2427 for (i=0; i<leftover_len; i++)
2428 buf[i] = buf[leftover_start + i];
2431 /* copy new characters into the buffer */
2432 bp = buf + leftover_len;
2433 buf_len=leftover_len;
2434 for (i=0; i<count; i++)
2437 if (data[i] == '\r')
2440 // join lines split by ICS?
2441 if (!appData.noJoin)
2444 Joining just consists of finding matches against the
2445 continuation sequence, and discarding that sequence
2446 if found instead of copying it. So, until a match
2447 fails, there's nothing to do since it might be the
2448 complete sequence, and thus, something we don't want
2451 if (data[i] == cont_seq[cmatch])
2454 if (cmatch == strlen(cont_seq))
2456 cmatch = 0; // complete match. just reset the counter
2459 it's possible for the ICS to not include the space
2460 at the end of the last word, making our [correct]
2461 join operation fuse two separate words. the server
2462 does this when the space occurs at the width setting.
2464 if (!buf_len || buf[buf_len-1] != ' ')
2475 match failed, so we have to copy what matched before
2476 falling through and copying this character. In reality,
2477 this will only ever be just the newline character, but
2478 it doesn't hurt to be precise.
2480 strncpy(bp, cont_seq, cmatch);
2492 buf[buf_len] = NULLCHAR;
2493 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2498 while (i < buf_len) {
2499 /* Deal with part of the TELNET option negotiation
2500 protocol. We refuse to do anything beyond the
2501 defaults, except that we allow the WILL ECHO option,
2502 which ICS uses to turn off password echoing when we are
2503 directly connected to it. We reject this option
2504 if localLineEditing mode is on (always on in xboard)
2505 and we are talking to port 23, which might be a real
2506 telnet server that will try to keep WILL ECHO on permanently.
2508 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2509 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2510 unsigned char option;
2512 switch ((unsigned char) buf[++i]) {
2514 if (appData.debugMode)
2515 fprintf(debugFP, "\n<WILL ");
2516 switch (option = (unsigned char) buf[++i]) {
2518 if (appData.debugMode)
2519 fprintf(debugFP, "ECHO ");
2520 /* Reply only if this is a change, according
2521 to the protocol rules. */
2522 if (remoteEchoOption) break;
2523 if (appData.localLineEditing &&
2524 atoi(appData.icsPort) == TN_PORT) {
2525 TelnetRequest(TN_DONT, TN_ECHO);
2528 TelnetRequest(TN_DO, TN_ECHO);
2529 remoteEchoOption = TRUE;
2533 if (appData.debugMode)
2534 fprintf(debugFP, "%d ", option);
2535 /* Whatever this is, we don't want it. */
2536 TelnetRequest(TN_DONT, option);
2541 if (appData.debugMode)
2542 fprintf(debugFP, "\n<WONT ");
2543 switch (option = (unsigned char) buf[++i]) {
2545 if (appData.debugMode)
2546 fprintf(debugFP, "ECHO ");
2547 /* Reply only if this is a change, according
2548 to the protocol rules. */
2549 if (!remoteEchoOption) break;
2551 TelnetRequest(TN_DONT, TN_ECHO);
2552 remoteEchoOption = FALSE;
2555 if (appData.debugMode)
2556 fprintf(debugFP, "%d ", (unsigned char) option);
2557 /* Whatever this is, it must already be turned
2558 off, because we never agree to turn on
2559 anything non-default, so according to the
2560 protocol rules, we don't reply. */
2565 if (appData.debugMode)
2566 fprintf(debugFP, "\n<DO ");
2567 switch (option = (unsigned char) buf[++i]) {
2569 /* Whatever this is, we refuse to do it. */
2570 if (appData.debugMode)
2571 fprintf(debugFP, "%d ", option);
2572 TelnetRequest(TN_WONT, option);
2577 if (appData.debugMode)
2578 fprintf(debugFP, "\n<DONT ");
2579 switch (option = (unsigned char) buf[++i]) {
2581 if (appData.debugMode)
2582 fprintf(debugFP, "%d ", option);
2583 /* Whatever this is, we are already not doing
2584 it, because we never agree to do anything
2585 non-default, so according to the protocol
2586 rules, we don't reply. */
2591 if (appData.debugMode)
2592 fprintf(debugFP, "\n<IAC ");
2593 /* Doubled IAC; pass it through */
2597 if (appData.debugMode)
2598 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2599 /* Drop all other telnet commands on the floor */
2602 if (oldi > next_out)
2603 SendToPlayer(&buf[next_out], oldi - next_out);
2609 /* OK, this at least will *usually* work */
2610 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2614 if (loggedOn && !intfSet) {
2615 if (ics_type == ICS_ICC) {
2616 snprintf(str, MSG_SIZ,
2617 "/set-quietly interface %s\n/set-quietly style 12\n",
2619 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2620 strcat(str, "/set-2 51 1\n/set seek 1\n");
2621 } else if (ics_type == ICS_CHESSNET) {
2622 snprintf(str, MSG_SIZ, "/style 12\n");
2624 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2625 strcat(str, programVersion);
2626 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2627 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2628 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2630 strcat(str, "$iset nohighlight 1\n");
2632 strcat(str, "$iset lock 1\n$style 12\n");
2635 NotifyFrontendLogin();
2639 if (started == STARTED_COMMENT) {
2640 /* Accumulate characters in comment */
2641 parse[parse_pos++] = buf[i];
2642 if (buf[i] == '\n') {
2643 parse[parse_pos] = NULLCHAR;
2644 if(chattingPartner>=0) {
2646 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2647 OutputChatMessage(chattingPartner, mess);
2648 chattingPartner = -1;
2649 next_out = i+1; // [HGM] suppress printing in ICS window
2651 if(!suppressKibitz) // [HGM] kibitz
2652 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2653 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2654 int nrDigit = 0, nrAlph = 0, j;
2655 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2656 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2657 parse[parse_pos] = NULLCHAR;
2658 // try to be smart: if it does not look like search info, it should go to
2659 // ICS interaction window after all, not to engine-output window.
2660 for(j=0; j<parse_pos; j++) { // count letters and digits
2661 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2662 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2663 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2665 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2666 int depth=0; float score;
2667 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2668 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2669 pvInfoList[forwardMostMove-1].depth = depth;
2670 pvInfoList[forwardMostMove-1].score = 100*score;
2672 OutputKibitz(suppressKibitz, parse);
2675 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
2676 SendToPlayer(tmp, strlen(tmp));
2678 next_out = i+1; // [HGM] suppress printing in ICS window
2680 started = STARTED_NONE;
2682 /* Don't match patterns against characters in comment */
2687 if (started == STARTED_CHATTER) {
2688 if (buf[i] != '\n') {
2689 /* Don't match patterns against characters in chatter */
2693 started = STARTED_NONE;
2694 if(suppressKibitz) next_out = i+1;
2697 /* Kludge to deal with rcmd protocol */
2698 if (firstTime && looking_at(buf, &i, "\001*")) {
2699 DisplayFatalError(&buf[1], 0, 1);
2705 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2708 if (appData.debugMode)
2709 fprintf(debugFP, "ics_type %d\n", ics_type);
2712 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2713 ics_type = ICS_FICS;
2715 if (appData.debugMode)
2716 fprintf(debugFP, "ics_type %d\n", ics_type);
2719 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
2720 ics_type = ICS_CHESSNET;
2722 if (appData.debugMode)
2723 fprintf(debugFP, "ics_type %d\n", ics_type);
2728 (looking_at(buf, &i, "\"*\" is *a registered name") ||
2729 looking_at(buf, &i, "Logging you in as \"*\"") ||
2730 looking_at(buf, &i, "will be \"*\""))) {
2731 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
2735 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
2737 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
2738 DisplayIcsInteractionTitle(buf);
2739 have_set_title = TRUE;
2742 /* skip finger notes */
2743 if (started == STARTED_NONE &&
2744 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
2745 (buf[i] == '1' && buf[i+1] == '0')) &&
2746 buf[i+2] == ':' && buf[i+3] == ' ') {
2747 started = STARTED_CHATTER;
2753 // [HGM] seekgraph: recognize sought lines and end-of-sought message
2754 if(appData.seekGraph) {
2755 if(soughtPending && MatchSoughtLine(buf+i)) {
2756 i = strstr(buf+i, "rated") - buf;
2757 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2758 next_out = leftover_start = i;
2759 started = STARTED_CHATTER;
2760 suppressKibitz = TRUE;
2763 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
2764 && looking_at(buf, &i, "* ads displayed")) {
2765 soughtPending = FALSE;
2770 if(appData.autoRefresh) {
2771 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
2772 int s = (ics_type == ICS_ICC); // ICC format differs
2774 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
2775 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
2776 looking_at(buf, &i, "*% "); // eat prompt
2777 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
2778 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2779 next_out = i; // suppress
2782 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
2783 char *p = star_match[0];
2785 if(seekGraphUp) RemoveSeekAd(atoi(p));
2786 while(*p && *p++ != ' '); // next
2788 looking_at(buf, &i, "*% "); // eat prompt
2789 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2796 /* skip formula vars */
2797 if (started == STARTED_NONE &&
2798 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
2799 started = STARTED_CHATTER;
2804 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
2805 if (appData.autoKibitz && started == STARTED_NONE &&
2806 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
2807 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
2808 if((looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
2809 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
2810 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
2811 suppressKibitz = TRUE;
2812 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2814 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
2815 && (gameMode == IcsPlayingWhite)) ||
2816 (StrStr(star_match[0], gameInfo.black) == star_match[0]
2817 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
2818 started = STARTED_CHATTER; // own kibitz we simply discard
2820 started = STARTED_COMMENT; // make sure it will be collected in parse[]
2821 parse_pos = 0; parse[0] = NULLCHAR;
2822 savingComment = TRUE;
2823 suppressKibitz = gameMode != IcsObserving ? 2 :
2824 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
2828 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
2829 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
2830 && atoi(star_match[0])) {
2831 // suppress the acknowledgements of our own autoKibitz
2833 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2834 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
2835 SendToPlayer(star_match[0], strlen(star_match[0]));
2836 if(looking_at(buf, &i, "*% ")) // eat prompt
2837 suppressKibitz = FALSE;
2841 } // [HGM] kibitz: end of patch
2843 // [HGM] chat: intercept tells by users for which we have an open chat window
2845 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
2846 looking_at(buf, &i, "* whispers:") ||
2847 looking_at(buf, &i, "* kibitzes:") ||
2848 looking_at(buf, &i, "* shouts:") ||
2849 looking_at(buf, &i, "* c-shouts:") ||
2850 looking_at(buf, &i, "--> * ") ||
2851 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
2852 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
2853 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
2854 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
2856 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
2857 chattingPartner = -1;
2859 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
2860 for(p=0; p<MAX_CHAT; p++) {
2861 if(channel == atoi(chatPartner[p])) {
2862 talker[0] = '['; strcat(talker, "] ");
2863 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
2864 chattingPartner = p; break;
2867 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
2868 for(p=0; p<MAX_CHAT; p++) {
2869 if(!strcmp("kibitzes", chatPartner[p])) {
2870 talker[0] = '['; strcat(talker, "] ");
2871 chattingPartner = p; break;
2874 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
2875 for(p=0; p<MAX_CHAT; p++) {
2876 if(!strcmp("whispers", chatPartner[p])) {
2877 talker[0] = '['; strcat(talker, "] ");
2878 chattingPartner = p; break;
2881 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
2882 if(buf[i-8] == '-' && buf[i-3] == 't')
2883 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
2884 if(!strcmp("c-shouts", chatPartner[p])) {
2885 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
2886 chattingPartner = p; break;
2889 if(chattingPartner < 0)
2890 for(p=0; p<MAX_CHAT; p++) {
2891 if(!strcmp("shouts", chatPartner[p])) {
2892 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
2893 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
2894 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
2895 chattingPartner = p; break;
2899 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
2900 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
2901 talker[0] = 0; Colorize(ColorTell, FALSE);
2902 chattingPartner = p; break;
2904 if(chattingPartner<0) i = oldi; else {
2905 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
2906 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
2907 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2908 started = STARTED_COMMENT;
2909 parse_pos = 0; parse[0] = NULLCHAR;
2910 savingComment = 3 + chattingPartner; // counts as TRUE
2911 suppressKibitz = TRUE;
2914 } // [HGM] chat: end of patch
2916 if (appData.zippyTalk || appData.zippyPlay) {
2917 /* [DM] Backup address for color zippy lines */
2920 if (loggedOn == TRUE)
2921 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
2922 (appData.zippyPlay && ZippyMatch(buf, &backup)));
2924 } // [DM] 'else { ' deleted
2926 /* Regular tells and says */
2927 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
2928 looking_at(buf, &i, "* (your partner) tells you: ") ||
2929 looking_at(buf, &i, "* says: ") ||
2930 /* Don't color "message" or "messages" output */
2931 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
2932 looking_at(buf, &i, "*. * at *:*: ") ||
2933 looking_at(buf, &i, "--* (*:*): ") ||
2934 /* Message notifications (same color as tells) */
2935 looking_at(buf, &i, "* has left a message ") ||
2936 looking_at(buf, &i, "* just sent you a message:\n") ||
2937 /* Whispers and kibitzes */
2938 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
2939 looking_at(buf, &i, "* kibitzes: ") ||
2941 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
2943 if (tkind == 1 && strchr(star_match[0], ':')) {
2944 /* Avoid "tells you:" spoofs in channels */
2947 if (star_match[0][0] == NULLCHAR ||
2948 strchr(star_match[0], ' ') ||
2949 (tkind == 3 && strchr(star_match[1], ' '))) {
2950 /* Reject bogus matches */
2953 if (appData.colorize) {
2954 if (oldi > next_out) {
2955 SendToPlayer(&buf[next_out], oldi - next_out);
2960 Colorize(ColorTell, FALSE);
2961 curColor = ColorTell;
2964 Colorize(ColorKibitz, FALSE);
2965 curColor = ColorKibitz;
2968 p = strrchr(star_match[1], '(');
2975 Colorize(ColorChannel1, FALSE);
2976 curColor = ColorChannel1;
2978 Colorize(ColorChannel, FALSE);
2979 curColor = ColorChannel;
2983 curColor = ColorNormal;
2987 if (started == STARTED_NONE && appData.autoComment &&
2988 (gameMode == IcsObserving ||
2989 gameMode == IcsPlayingWhite ||
2990 gameMode == IcsPlayingBlack)) {
2991 parse_pos = i - oldi;
2992 memcpy(parse, &buf[oldi], parse_pos);
2993 parse[parse_pos] = NULLCHAR;
2994 started = STARTED_COMMENT;
2995 savingComment = TRUE;
2997 started = STARTED_CHATTER;
2998 savingComment = FALSE;
3005 if (looking_at(buf, &i, "* s-shouts: ") ||
3006 looking_at(buf, &i, "* c-shouts: ")) {
3007 if (appData.colorize) {
3008 if (oldi > next_out) {
3009 SendToPlayer(&buf[next_out], oldi - next_out);
3012 Colorize(ColorSShout, FALSE);
3013 curColor = ColorSShout;
3016 started = STARTED_CHATTER;
3020 if (looking_at(buf, &i, "--->")) {
3025 if (looking_at(buf, &i, "* shouts: ") ||
3026 looking_at(buf, &i, "--> ")) {
3027 if (appData.colorize) {
3028 if (oldi > next_out) {
3029 SendToPlayer(&buf[next_out], oldi - next_out);
3032 Colorize(ColorShout, FALSE);
3033 curColor = ColorShout;
3036 started = STARTED_CHATTER;
3040 if (looking_at( buf, &i, "Challenge:")) {
3041 if (appData.colorize) {
3042 if (oldi > next_out) {
3043 SendToPlayer(&buf[next_out], oldi - next_out);
3046 Colorize(ColorChallenge, FALSE);
3047 curColor = ColorChallenge;
3053 if (looking_at(buf, &i, "* offers you") ||
3054 looking_at(buf, &i, "* offers to be") ||
3055 looking_at(buf, &i, "* would like to") ||
3056 looking_at(buf, &i, "* requests to") ||
3057 looking_at(buf, &i, "Your opponent offers") ||
3058 looking_at(buf, &i, "Your opponent requests")) {
3060 if (appData.colorize) {
3061 if (oldi > next_out) {
3062 SendToPlayer(&buf[next_out], oldi - next_out);
3065 Colorize(ColorRequest, FALSE);
3066 curColor = ColorRequest;
3071 if (looking_at(buf, &i, "* (*) seeking")) {
3072 if (appData.colorize) {
3073 if (oldi > next_out) {
3074 SendToPlayer(&buf[next_out], oldi - next_out);
3077 Colorize(ColorSeek, FALSE);
3078 curColor = ColorSeek;
3083 if (looking_at(buf, &i, "\\ ")) {
3084 if (prevColor != ColorNormal) {
3085 if (oldi > next_out) {
3086 SendToPlayer(&buf[next_out], oldi - next_out);
3089 Colorize(prevColor, TRUE);
3090 curColor = prevColor;
3092 if (savingComment) {
3093 parse_pos = i - oldi;
3094 memcpy(parse, &buf[oldi], parse_pos);
3095 parse[parse_pos] = NULLCHAR;
3096 started = STARTED_COMMENT;
3097 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3098 chattingPartner = savingComment - 3; // kludge to remember the box
3100 started = STARTED_CHATTER;
3105 if (looking_at(buf, &i, "Black Strength :") ||
3106 looking_at(buf, &i, "<<< style 10 board >>>") ||
3107 looking_at(buf, &i, "<10>") ||
3108 looking_at(buf, &i, "#@#")) {
3109 /* Wrong board style */
3111 SendToICS(ics_prefix);
3112 SendToICS("set style 12\n");
3113 SendToICS(ics_prefix);
3114 SendToICS("refresh\n");
3118 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3120 have_sent_ICS_logon = 1;
3121 /* if we don't send the login/password via icsLogon, use special readline
3123 if (strlen(appData.icsLogon)==0)
3125 sending_ICS_password = 0; // in case we come back to login
3126 sending_ICS_login = 1;
3130 /* need to shadow the password */
3131 if (!sending_ICS_password && looking_at(buf, &i, "password:")) {
3132 /* if we don't send the login/password via icsLogon, use special readline
3134 if (strlen(appData.icsLogon)==0)
3135 sending_ICS_password = 1;
3139 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3140 (looking_at(buf, &i, "\n<12> ") ||
3141 looking_at(buf, &i, "<12> "))) {
3143 if (oldi > next_out) {
3144 SendToPlayer(&buf[next_out], oldi - next_out);
3147 started = STARTED_BOARD;
3152 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3153 looking_at(buf, &i, "<b1> ")) {
3154 if (oldi > next_out) {
3155 SendToPlayer(&buf[next_out], oldi - next_out);
3158 started = STARTED_HOLDINGS;
3163 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3165 /* Header for a move list -- first line */
3167 switch (ics_getting_history) {
3171 case BeginningOfGame:
3172 /* User typed "moves" or "oldmoves" while we
3173 were idle. Pretend we asked for these
3174 moves and soak them up so user can step
3175 through them and/or save them.
3178 gameMode = IcsObserving;
3181 ics_getting_history = H_GOT_UNREQ_HEADER;
3183 case EditGame: /*?*/
3184 case EditPosition: /*?*/
3185 /* Should above feature work in these modes too? */
3186 /* For now it doesn't */
3187 ics_getting_history = H_GOT_UNWANTED_HEADER;
3190 ics_getting_history = H_GOT_UNWANTED_HEADER;
3195 /* Is this the right one? */
3196 if (gameInfo.white && gameInfo.black &&
3197 strcmp(gameInfo.white, star_match[0]) == 0 &&
3198 strcmp(gameInfo.black, star_match[2]) == 0) {
3200 ics_getting_history = H_GOT_REQ_HEADER;
3203 case H_GOT_REQ_HEADER:
3204 case H_GOT_UNREQ_HEADER:
3205 case H_GOT_UNWANTED_HEADER:
3206 case H_GETTING_MOVES:
3207 /* Should not happen */
3208 DisplayError(_("Error gathering move list: two headers"), 0);
3209 ics_getting_history = H_FALSE;
3213 /* Save player ratings into gameInfo if needed */
3214 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3215 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3216 (gameInfo.whiteRating == -1 ||
3217 gameInfo.blackRating == -1)) {
3219 gameInfo.whiteRating = string_to_rating(star_match[1]);
3220 gameInfo.blackRating = string_to_rating(star_match[3]);
3221 if (appData.debugMode)
3222 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3223 gameInfo.whiteRating, gameInfo.blackRating);
3228 if (looking_at(buf, &i,
3229 "* * match, initial time: * minute*, increment: * second")) {
3230 /* Header for a move list -- second line */
3231 /* Initial board will follow if this is a wild game */
3232 if (gameInfo.event != NULL) free(gameInfo.event);
3233 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3234 gameInfo.event = StrSave(str);
3235 /* [HGM] we switched variant. Translate boards if needed. */
3236 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3240 if (looking_at(buf, &i, "Move ")) {
3241 /* Beginning of a move list */
3242 switch (ics_getting_history) {
3244 /* Normally should not happen */
3245 /* Maybe user hit reset while we were parsing */
3248 /* Happens if we are ignoring a move list that is not
3249 * the one we just requested. Common if the user
3250 * tries to observe two games without turning off
3253 case H_GETTING_MOVES:
3254 /* Should not happen */
3255 DisplayError(_("Error gathering move list: nested"), 0);
3256 ics_getting_history = H_FALSE;
3258 case H_GOT_REQ_HEADER:
3259 ics_getting_history = H_GETTING_MOVES;
3260 started = STARTED_MOVES;
3262 if (oldi > next_out) {
3263 SendToPlayer(&buf[next_out], oldi - next_out);
3266 case H_GOT_UNREQ_HEADER:
3267 ics_getting_history = H_GETTING_MOVES;
3268 started = STARTED_MOVES_NOHIDE;
3271 case H_GOT_UNWANTED_HEADER:
3272 ics_getting_history = H_FALSE;
3278 if (looking_at(buf, &i, "% ") ||
3279 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3280 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3281 if(ics_type == ICS_ICC && soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3282 soughtPending = FALSE;
3286 if(suppressKibitz) next_out = i;
3287 savingComment = FALSE;
3291 case STARTED_MOVES_NOHIDE:
3292 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3293 parse[parse_pos + i - oldi] = NULLCHAR;
3294 ParseGameHistory(parse);
3296 if (appData.zippyPlay && first.initDone) {
3297 FeedMovesToProgram(&first, forwardMostMove);
3298 if (gameMode == IcsPlayingWhite) {
3299 if (WhiteOnMove(forwardMostMove)) {
3300 if (first.sendTime) {
3301 if (first.useColors) {
3302 SendToProgram("black\n", &first);
3304 SendTimeRemaining(&first, TRUE);
3306 if (first.useColors) {
3307 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3309 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3310 first.maybeThinking = TRUE;
3312 if (first.usePlayother) {
3313 if (first.sendTime) {
3314 SendTimeRemaining(&first, TRUE);
3316 SendToProgram("playother\n", &first);
3322 } else if (gameMode == IcsPlayingBlack) {
3323 if (!WhiteOnMove(forwardMostMove)) {
3324 if (first.sendTime) {
3325 if (first.useColors) {
3326 SendToProgram("white\n", &first);
3328 SendTimeRemaining(&first, FALSE);
3330 if (first.useColors) {
3331 SendToProgram("black\n", &first);
3333 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3334 first.maybeThinking = TRUE;
3336 if (first.usePlayother) {
3337 if (first.sendTime) {
3338 SendTimeRemaining(&first, FALSE);
3340 SendToProgram("playother\n", &first);
3349 if (gameMode == IcsObserving && ics_gamenum == -1) {
3350 /* Moves came from oldmoves or moves command
3351 while we weren't doing anything else.
3353 currentMove = forwardMostMove;
3354 ClearHighlights();/*!!could figure this out*/
3355 flipView = appData.flipView;
3356 DrawPosition(TRUE, boards[currentMove]);
3357 DisplayBothClocks();
3358 snprintf(str, MSG_SIZ, "%s vs. %s",
3359 gameInfo.white, gameInfo.black);
3363 /* Moves were history of an active game */
3364 if (gameInfo.resultDetails != NULL) {
3365 free(gameInfo.resultDetails);
3366 gameInfo.resultDetails = NULL;
3369 HistorySet(parseList, backwardMostMove,
3370 forwardMostMove, currentMove-1);
3371 DisplayMove(currentMove - 1);
3372 if (started == STARTED_MOVES) next_out = i;
3373 started = STARTED_NONE;
3374 ics_getting_history = H_FALSE;
3377 case STARTED_OBSERVE:
3378 started = STARTED_NONE;
3379 SendToICS(ics_prefix);
3380 SendToICS("refresh\n");
3386 if(bookHit) { // [HGM] book: simulate book reply
3387 static char bookMove[MSG_SIZ]; // a bit generous?
3389 programStats.nodes = programStats.depth = programStats.time =
3390 programStats.score = programStats.got_only_move = 0;
3391 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3393 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3394 strcat(bookMove, bookHit);
3395 HandleMachineMove(bookMove, &first);
3400 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3401 started == STARTED_HOLDINGS ||
3402 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3403 /* Accumulate characters in move list or board */
3404 parse[parse_pos++] = buf[i];
3407 /* Start of game messages. Mostly we detect start of game
3408 when the first board image arrives. On some versions
3409 of the ICS, though, we need to do a "refresh" after starting
3410 to observe in order to get the current board right away. */
3411 if (looking_at(buf, &i, "Adding game * to observation list")) {
3412 started = STARTED_OBSERVE;
3416 /* Handle auto-observe */
3417 if (appData.autoObserve &&
3418 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3419 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3421 /* Choose the player that was highlighted, if any. */
3422 if (star_match[0][0] == '\033' ||
3423 star_match[1][0] != '\033') {
3424 player = star_match[0];
3426 player = star_match[2];
3428 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3429 ics_prefix, StripHighlightAndTitle(player));
3432 /* Save ratings from notify string */
3433 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3434 player1Rating = string_to_rating(star_match[1]);
3435 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3436 player2Rating = string_to_rating(star_match[3]);
3438 if (appData.debugMode)
3440 "Ratings from 'Game notification:' %s %d, %s %d\n",
3441 player1Name, player1Rating,
3442 player2Name, player2Rating);
3447 /* Deal with automatic examine mode after a game,
3448 and with IcsObserving -> IcsExamining transition */
3449 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3450 looking_at(buf, &i, "has made you an examiner of game *")) {
3452 int gamenum = atoi(star_match[0]);
3453 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3454 gamenum == ics_gamenum) {
3455 /* We were already playing or observing this game;
3456 no need to refetch history */
3457 gameMode = IcsExamining;
3459 pauseExamForwardMostMove = forwardMostMove;
3460 } else if (currentMove < forwardMostMove) {
3461 ForwardInner(forwardMostMove);
3464 /* I don't think this case really can happen */
3465 SendToICS(ics_prefix);
3466 SendToICS("refresh\n");
3471 /* Error messages */
3472 // if (ics_user_moved) {
3473 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3474 if (looking_at(buf, &i, "Illegal move") ||
3475 looking_at(buf, &i, "Not a legal move") ||
3476 looking_at(buf, &i, "Your king is in check") ||
3477 looking_at(buf, &i, "It isn't your turn") ||
3478 looking_at(buf, &i, "It is not your move")) {
3480 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3481 currentMove = forwardMostMove-1;
3482 DisplayMove(currentMove - 1); /* before DMError */
3483 DrawPosition(FALSE, boards[currentMove]);
3484 SwitchClocks(forwardMostMove-1); // [HGM] race
3485 DisplayBothClocks();
3487 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3493 if (looking_at(buf, &i, "still have time") ||
3494 looking_at(buf, &i, "not out of time") ||
3495 looking_at(buf, &i, "either player is out of time") ||
3496 looking_at(buf, &i, "has timeseal; checking")) {
3497 /* We must have called his flag a little too soon */
3498 whiteFlag = blackFlag = FALSE;
3502 if (looking_at(buf, &i, "added * seconds to") ||
3503 looking_at(buf, &i, "seconds were added to")) {
3504 /* Update the clocks */
3505 SendToICS(ics_prefix);
3506 SendToICS("refresh\n");
3510 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3511 ics_clock_paused = TRUE;
3516 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3517 ics_clock_paused = FALSE;
3522 /* Grab player ratings from the Creating: message.
3523 Note we have to check for the special case when
3524 the ICS inserts things like [white] or [black]. */
3525 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3526 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3528 0 player 1 name (not necessarily white)
3530 2 empty, white, or black (IGNORED)
3531 3 player 2 name (not necessarily black)
3534 The names/ratings are sorted out when the game
3535 actually starts (below).
3537 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3538 player1Rating = string_to_rating(star_match[1]);
3539 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3540 player2Rating = string_to_rating(star_match[4]);
3542 if (appData.debugMode)
3544 "Ratings from 'Creating:' %s %d, %s %d\n",
3545 player1Name, player1Rating,
3546 player2Name, player2Rating);
3551 /* Improved generic start/end-of-game messages */
3552 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3553 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3554 /* If tkind == 0: */
3555 /* star_match[0] is the game number */
3556 /* [1] is the white player's name */
3557 /* [2] is the black player's name */
3558 /* For end-of-game: */
3559 /* [3] is the reason for the game end */
3560 /* [4] is a PGN end game-token, preceded by " " */
3561 /* For start-of-game: */
3562 /* [3] begins with "Creating" or "Continuing" */
3563 /* [4] is " *" or empty (don't care). */
3564 int gamenum = atoi(star_match[0]);
3565 char *whitename, *blackname, *why, *endtoken;
3566 ChessMove endtype = EndOfFile;
3569 whitename = star_match[1];
3570 blackname = star_match[2];
3571 why = star_match[3];
3572 endtoken = star_match[4];
3574 whitename = star_match[1];
3575 blackname = star_match[3];
3576 why = star_match[5];
3577 endtoken = star_match[6];
3580 /* Game start messages */
3581 if (strncmp(why, "Creating ", 9) == 0 ||
3582 strncmp(why, "Continuing ", 11) == 0) {
3583 gs_gamenum = gamenum;
3584 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3585 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3587 if (appData.zippyPlay) {
3588 ZippyGameStart(whitename, blackname);
3591 partnerBoardValid = FALSE; // [HGM] bughouse
3595 /* Game end messages */
3596 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3597 ics_gamenum != gamenum) {
3600 while (endtoken[0] == ' ') endtoken++;
3601 switch (endtoken[0]) {
3604 endtype = GameUnfinished;
3607 endtype = BlackWins;
3610 if (endtoken[1] == '/')
3611 endtype = GameIsDrawn;
3613 endtype = WhiteWins;
3616 GameEnds(endtype, why, GE_ICS);
3618 if (appData.zippyPlay && first.initDone) {
3619 ZippyGameEnd(endtype, why);
3620 if (first.pr == NULL) {
3621 /* Start the next process early so that we'll
3622 be ready for the next challenge */
3623 StartChessProgram(&first);
3625 /* Send "new" early, in case this command takes
3626 a long time to finish, so that we'll be ready
3627 for the next challenge. */
3628 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3632 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3636 if (looking_at(buf, &i, "Removing game * from observation") ||
3637 looking_at(buf, &i, "no longer observing game *") ||
3638 looking_at(buf, &i, "Game * (*) has no examiners")) {
3639 if (gameMode == IcsObserving &&
3640 atoi(star_match[0]) == ics_gamenum)
3642 /* icsEngineAnalyze */
3643 if (appData.icsEngineAnalyze) {
3650 ics_user_moved = FALSE;
3655 if (looking_at(buf, &i, "no longer examining game *")) {
3656 if (gameMode == IcsExamining &&
3657 atoi(star_match[0]) == ics_gamenum)
3661 ics_user_moved = FALSE;
3666 /* Advance leftover_start past any newlines we find,
3667 so only partial lines can get reparsed */
3668 if (looking_at(buf, &i, "\n")) {
3669 prevColor = curColor;
3670 if (curColor != ColorNormal) {
3671 if (oldi > next_out) {
3672 SendToPlayer(&buf[next_out], oldi - next_out);
3675 Colorize(ColorNormal, FALSE);
3676 curColor = ColorNormal;
3678 if (started == STARTED_BOARD) {
3679 started = STARTED_NONE;
3680 parse[parse_pos] = NULLCHAR;
3681 ParseBoard12(parse);
3684 /* Send premove here */
3685 if (appData.premove) {
3687 if (currentMove == 0 &&
3688 gameMode == IcsPlayingWhite &&
3689 appData.premoveWhite) {
3690 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
3691 if (appData.debugMode)
3692 fprintf(debugFP, "Sending premove:\n");
3694 } else if (currentMove == 1 &&
3695 gameMode == IcsPlayingBlack &&
3696 appData.premoveBlack) {
3697 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
3698 if (appData.debugMode)
3699 fprintf(debugFP, "Sending premove:\n");
3701 } else if (gotPremove) {
3703 ClearPremoveHighlights();
3704 if (appData.debugMode)
3705 fprintf(debugFP, "Sending premove:\n");
3706 UserMoveEvent(premoveFromX, premoveFromY,
3707 premoveToX, premoveToY,
3712 /* Usually suppress following prompt */
3713 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3714 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3715 if (looking_at(buf, &i, "*% ")) {
3716 savingComment = FALSE;
3721 } else if (started == STARTED_HOLDINGS) {
3723 char new_piece[MSG_SIZ];
3724 started = STARTED_NONE;
3725 parse[parse_pos] = NULLCHAR;
3726 if (appData.debugMode)
3727 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
3728 parse, currentMove);
3729 if (sscanf(parse, " game %d", &gamenum) == 1) {
3730 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
3731 if (gameInfo.variant == VariantNormal) {
3732 /* [HGM] We seem to switch variant during a game!
3733 * Presumably no holdings were displayed, so we have
3734 * to move the position two files to the right to
3735 * create room for them!
3737 VariantClass newVariant;
3738 switch(gameInfo.boardWidth) { // base guess on board width
3739 case 9: newVariant = VariantShogi; break;
3740 case 10: newVariant = VariantGreat; break;
3741 default: newVariant = VariantCrazyhouse; break;
3743 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3744 /* Get a move list just to see the header, which
3745 will tell us whether this is really bug or zh */
3746 if (ics_getting_history == H_FALSE) {
3747 ics_getting_history = H_REQUESTED;
3748 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
3752 new_piece[0] = NULLCHAR;
3753 sscanf(parse, "game %d white [%s black [%s <- %s",
3754 &gamenum, white_holding, black_holding,
3756 white_holding[strlen(white_holding)-1] = NULLCHAR;
3757 black_holding[strlen(black_holding)-1] = NULLCHAR;
3758 /* [HGM] copy holdings to board holdings area */
3759 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
3760 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
3761 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
3763 if (appData.zippyPlay && first.initDone) {
3764 ZippyHoldings(white_holding, black_holding,
3768 if (tinyLayout || smallLayout) {
3769 char wh[16], bh[16];
3770 PackHolding(wh, white_holding);
3771 PackHolding(bh, black_holding);
3772 snprintf(str, MSG_SIZ,"[%s-%s] %s-%s", wh, bh,
3773 gameInfo.white, gameInfo.black);
3775 snprintf(str, MSG_SIZ, "%s [%s] vs. %s [%s]",
3776 gameInfo.white, white_holding,
3777 gameInfo.black, black_holding);
3779 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
3780 DrawPosition(FALSE, boards[currentMove]);
3782 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
3783 sscanf(parse, "game %d white [%s black [%s <- %s",
3784 &gamenum, white_holding, black_holding,
3786 white_holding[strlen(white_holding)-1] = NULLCHAR;
3787 black_holding[strlen(black_holding)-1] = NULLCHAR;
3788 /* [HGM] copy holdings to partner-board holdings area */
3789 CopyHoldings(partnerBoard, white_holding, WhitePawn);
3790 CopyHoldings(partnerBoard, black_holding, BlackPawn);
3791 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
3792 if(partnerUp) DrawPosition(FALSE, partnerBoard);
3793 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
3796 /* Suppress following prompt */
3797 if (looking_at(buf, &i, "*% ")) {
3798 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
3799 savingComment = FALSE;
3807 i++; /* skip unparsed character and loop back */
3810 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
3811 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
3812 // SendToPlayer(&buf[next_out], i - next_out);
3813 started != STARTED_HOLDINGS && leftover_start > next_out) {
3814 SendToPlayer(&buf[next_out], leftover_start - next_out);
3818 leftover_len = buf_len - leftover_start;
3819 /* if buffer ends with something we couldn't parse,
3820 reparse it after appending the next read */
3822 } else if (count == 0) {
3823 RemoveInputSource(isr);
3824 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
3826 DisplayFatalError(_("Error reading from ICS"), error, 1);
3831 /* Board style 12 looks like this:
3833 <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
3835 * The "<12> " is stripped before it gets to this routine. The two
3836 * trailing 0's (flip state and clock ticking) are later addition, and
3837 * some chess servers may not have them, or may have only the first.
3838 * Additional trailing fields may be added in the future.
3841 #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"
3843 #define RELATION_OBSERVING_PLAYED 0
3844 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
3845 #define RELATION_PLAYING_MYMOVE 1
3846 #define RELATION_PLAYING_NOTMYMOVE -1
3847 #define RELATION_EXAMINING 2
3848 #define RELATION_ISOLATED_BOARD -3
3849 #define RELATION_STARTING_POSITION -4 /* FICS only */
3852 ParseBoard12(string)
3855 GameMode newGameMode;
3856 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
3857 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
3858 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
3859 char to_play, board_chars[200];
3860 char move_str[500], str[500], elapsed_time[500];
3861 char black[32], white[32];
3863 int prevMove = currentMove;
3866 int fromX, fromY, toX, toY;
3868 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
3869 char *bookHit = NULL; // [HGM] book
3870 Boolean weird = FALSE, reqFlag = FALSE;
3872 fromX = fromY = toX = toY = -1;
3876 if (appData.debugMode)
3877 fprintf(debugFP, _("Parsing board: %s\n"), string);
3879 move_str[0] = NULLCHAR;
3880 elapsed_time[0] = NULLCHAR;
3881 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
3883 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
3884 if(string[i] == ' ') { ranks++; files = 0; }
3886 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
3889 for(j = 0; j <i; j++) board_chars[j] = string[j];
3890 board_chars[i] = '\0';
3893 n = sscanf(string, PATTERN, &to_play, &double_push,
3894 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
3895 &gamenum, white, black, &relation, &basetime, &increment,
3896 &white_stren, &black_stren, &white_time, &black_time,
3897 &moveNum, str, elapsed_time, move_str, &ics_flip,
3901 snprintf(str, sizeof(str), _("Failed to parse board string:\n\"%s\""), string);
3902 DisplayError(str, 0);
3906 /* Convert the move number to internal form */
3907 moveNum = (moveNum - 1) * 2;
3908 if (to_play == 'B') moveNum++;
3909 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
3910 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
3916 case RELATION_OBSERVING_PLAYED:
3917 case RELATION_OBSERVING_STATIC:
3918 if (gamenum == -1) {
3919 /* Old ICC buglet */
3920 relation = RELATION_OBSERVING_STATIC;
3922 newGameMode = IcsObserving;
3924 case RELATION_PLAYING_MYMOVE:
3925 case RELATION_PLAYING_NOTMYMOVE:
3927 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
3928 IcsPlayingWhite : IcsPlayingBlack;
3930 case RELATION_EXAMINING:
3931 newGameMode = IcsExamining;
3933 case RELATION_ISOLATED_BOARD:
3935 /* Just display this board. If user was doing something else,
3936 we will forget about it until the next board comes. */
3937 newGameMode = IcsIdle;
3939 case RELATION_STARTING_POSITION:
3940 newGameMode = gameMode;
3944 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
3945 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
3946 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
3948 for (k = 0; k < ranks; k++) {
3949 for (j = 0; j < files; j++)
3950 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
3951 if(gameInfo.holdingsWidth > 1) {
3952 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
3953 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
3956 CopyBoard(partnerBoard, board);
3957 if(toSqr = strchr(str, '/')) { // extract highlights from long move
3958 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
3959 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
3960 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
3961 if(toSqr = strchr(str, '-')) {
3962 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
3963 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
3964 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
3965 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
3966 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
3967 if(partnerUp) DrawPosition(FALSE, partnerBoard);
3968 if(twoBoards) { partnerUp = 0; flipView = !flipView; } // [HGM] dual
3969 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
3970 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
3971 DisplayMessage(partnerStatus, "");
3972 partnerBoardValid = TRUE;
3976 /* Modify behavior for initial board display on move listing
3979 switch (ics_getting_history) {
3983 case H_GOT_REQ_HEADER:
3984 case H_GOT_UNREQ_HEADER:
3985 /* This is the initial position of the current game */
3986 gamenum = ics_gamenum;
3987 moveNum = 0; /* old ICS bug workaround */
3988 if (to_play == 'B') {
3989 startedFromSetupPosition = TRUE;
3990 blackPlaysFirst = TRUE;
3992 if (forwardMostMove == 0) forwardMostMove = 1;
3993 if (backwardMostMove == 0) backwardMostMove = 1;
3994 if (currentMove == 0) currentMove = 1;
3996 newGameMode = gameMode;
3997 relation = RELATION_STARTING_POSITION; /* ICC needs this */
3999 case H_GOT_UNWANTED_HEADER:
4000 /* This is an initial board that we don't want */
4002 case H_GETTING_MOVES:
4003 /* Should not happen */
4004 DisplayError(_("Error gathering move list: extra board"), 0);
4005 ics_getting_history = H_FALSE;
4009 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4010 weird && (int)gameInfo.variant < (int)VariantShogi) {
4011 /* [HGM] We seem to have switched variant unexpectedly
4012 * Try to guess new variant from board size
4014 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4015 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4016 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4017 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4018 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4019 if(!weird) newVariant = VariantNormal;
4020 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4021 /* Get a move list just to see the header, which
4022 will tell us whether this is really bug or zh */
4023 if (ics_getting_history == H_FALSE) {
4024 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4025 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4030 /* Take action if this is the first board of a new game, or of a
4031 different game than is currently being displayed. */
4032 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4033 relation == RELATION_ISOLATED_BOARD) {
4035 /* Forget the old game and get the history (if any) of the new one */
4036 if (gameMode != BeginningOfGame) {
4040 if (appData.autoRaiseBoard) BoardToTop();
4042 if (gamenum == -1) {
4043 newGameMode = IcsIdle;
4044 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4045 appData.getMoveList && !reqFlag) {
4046 /* Need to get game history */
4047 ics_getting_history = H_REQUESTED;
4048 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4052 /* Initially flip the board to have black on the bottom if playing
4053 black or if the ICS flip flag is set, but let the user change
4054 it with the Flip View button. */
4055 flipView = appData.autoFlipView ?
4056 (newGameMode == IcsPlayingBlack) || ics_flip :
4059 /* Done with values from previous mode; copy in new ones */
4060 gameMode = newGameMode;
4062 ics_gamenum = gamenum;
4063 if (gamenum == gs_gamenum) {
4064 int klen = strlen(gs_kind);
4065 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4066 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4067 gameInfo.event = StrSave(str);
4069 gameInfo.event = StrSave("ICS game");
4071 gameInfo.site = StrSave(appData.icsHost);
4072 gameInfo.date = PGNDate();
4073 gameInfo.round = StrSave("-");
4074 gameInfo.white = StrSave(white);
4075 gameInfo.black = StrSave(black);
4076 timeControl = basetime * 60 * 1000;
4078 timeIncrement = increment * 1000;
4079 movesPerSession = 0;
4080 gameInfo.timeControl = TimeControlTagValue();
4081 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4082 if (appData.debugMode) {
4083 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4084 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4085 setbuf(debugFP, NULL);
4088 gameInfo.outOfBook = NULL;
4090 /* Do we have the ratings? */
4091 if (strcmp(player1Name, white) == 0 &&
4092 strcmp(player2Name, black) == 0) {
4093 if (appData.debugMode)
4094 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4095 player1Rating, player2Rating);
4096 gameInfo.whiteRating = player1Rating;
4097 gameInfo.blackRating = player2Rating;
4098 } else if (strcmp(player2Name, white) == 0 &&
4099 strcmp(player1Name, black) == 0) {
4100 if (appData.debugMode)
4101 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4102 player2Rating, player1Rating);
4103 gameInfo.whiteRating = player2Rating;
4104 gameInfo.blackRating = player1Rating;
4106 player1Name[0] = player2Name[0] = NULLCHAR;
4108 /* Silence shouts if requested */
4109 if (appData.quietPlay &&
4110 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4111 SendToICS(ics_prefix);
4112 SendToICS("set shout 0\n");
4116 /* Deal with midgame name changes */
4118 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4119 if (gameInfo.white) free(gameInfo.white);
4120 gameInfo.white = StrSave(white);
4122 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4123 if (gameInfo.black) free(gameInfo.black);
4124 gameInfo.black = StrSave(black);
4128 /* Throw away game result if anything actually changes in examine mode */
4129 if (gameMode == IcsExamining && !newGame) {
4130 gameInfo.result = GameUnfinished;
4131 if (gameInfo.resultDetails != NULL) {
4132 free(gameInfo.resultDetails);
4133 gameInfo.resultDetails = NULL;
4137 /* In pausing && IcsExamining mode, we ignore boards coming
4138 in if they are in a different variation than we are. */
4139 if (pauseExamInvalid) return;
4140 if (pausing && gameMode == IcsExamining) {
4141 if (moveNum <= pauseExamForwardMostMove) {
4142 pauseExamInvalid = TRUE;
4143 forwardMostMove = pauseExamForwardMostMove;
4148 if (appData.debugMode) {
4149 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4151 /* Parse the board */
4152 for (k = 0; k < ranks; k++) {
4153 for (j = 0; j < files; j++)
4154 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4155 if(gameInfo.holdingsWidth > 1) {
4156 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4157 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4160 CopyBoard(boards[moveNum], board);
4161 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4163 startedFromSetupPosition =
4164 !CompareBoards(board, initialPosition);
4165 if(startedFromSetupPosition)
4166 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4169 /* [HGM] Set castling rights. Take the outermost Rooks,
4170 to make it also work for FRC opening positions. Note that board12
4171 is really defective for later FRC positions, as it has no way to
4172 indicate which Rook can castle if they are on the same side of King.
4173 For the initial position we grant rights to the outermost Rooks,
4174 and remember thos rights, and we then copy them on positions
4175 later in an FRC game. This means WB might not recognize castlings with
4176 Rooks that have moved back to their original position as illegal,
4177 but in ICS mode that is not its job anyway.
4179 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4180 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4182 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4183 if(board[0][i] == WhiteRook) j = i;
4184 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4185 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4186 if(board[0][i] == WhiteRook) j = i;
4187 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4188 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4189 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4190 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4191 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4192 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4193 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4195 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4196 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4197 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4198 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4199 if(board[BOARD_HEIGHT-1][k] == bKing)
4200 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4201 if(gameInfo.variant == VariantTwoKings) {
4202 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4203 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4204 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4207 r = boards[moveNum][CASTLING][0] = initialRights[0];
4208 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4209 r = boards[moveNum][CASTLING][1] = initialRights[1];
4210 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4211 r = boards[moveNum][CASTLING][3] = initialRights[3];
4212 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4213 r = boards[moveNum][CASTLING][4] = initialRights[4];
4214 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4215 /* wildcastle kludge: always assume King has rights */
4216 r = boards[moveNum][CASTLING][2] = initialRights[2];
4217 r = boards[moveNum][CASTLING][5] = initialRights[5];
4219 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4220 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4223 if (ics_getting_history == H_GOT_REQ_HEADER ||
4224 ics_getting_history == H_GOT_UNREQ_HEADER) {
4225 /* This was an initial position from a move list, not
4226 the current position */
4230 /* Update currentMove and known move number limits */
4231 newMove = newGame || moveNum > forwardMostMove;
4234 forwardMostMove = backwardMostMove = currentMove = moveNum;
4235 if (gameMode == IcsExamining && moveNum == 0) {
4236 /* Workaround for ICS limitation: we are not told the wild
4237 type when starting to examine a game. But if we ask for
4238 the move list, the move list header will tell us */
4239 ics_getting_history = H_REQUESTED;
4240 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4243 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4244 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4246 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4247 /* [HGM] applied this also to an engine that is silently watching */
4248 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4249 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4250 gameInfo.variant == currentlyInitializedVariant) {
4251 takeback = forwardMostMove - moveNum;
4252 for (i = 0; i < takeback; i++) {
4253 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4254 SendToProgram("undo\n", &first);
4259 forwardMostMove = moveNum;
4260 if (!pausing || currentMove > forwardMostMove)
4261 currentMove = forwardMostMove;
4263 /* New part of history that is not contiguous with old part */
4264 if (pausing && gameMode == IcsExamining) {
4265 pauseExamInvalid = TRUE;
4266 forwardMostMove = pauseExamForwardMostMove;
4269 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4271 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4272 // [HGM] when we will receive the move list we now request, it will be
4273 // fed to the engine from the first move on. So if the engine is not
4274 // in the initial position now, bring it there.
4275 InitChessProgram(&first, 0);
4278 ics_getting_history = H_REQUESTED;
4279 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4282 forwardMostMove = backwardMostMove = currentMove = moveNum;
4285 /* Update the clocks */
4286 if (strchr(elapsed_time, '.')) {
4288 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4289 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4291 /* Time is in seconds */
4292 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4293 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4298 if (appData.zippyPlay && newGame &&
4299 gameMode != IcsObserving && gameMode != IcsIdle &&
4300 gameMode != IcsExamining)
4301 ZippyFirstBoard(moveNum, basetime, increment);
4304 /* Put the move on the move list, first converting
4305 to canonical algebraic form. */
4307 if (appData.debugMode) {
4308 if (appData.debugMode) { int f = forwardMostMove;
4309 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4310 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4311 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4313 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4314 fprintf(debugFP, "moveNum = %d\n", moveNum);
4315 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4316 setbuf(debugFP, NULL);
4318 if (moveNum <= backwardMostMove) {
4319 /* We don't know what the board looked like before
4321 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4322 strcat(parseList[moveNum - 1], " ");
4323 strcat(parseList[moveNum - 1], elapsed_time);
4324 moveList[moveNum - 1][0] = NULLCHAR;
4325 } else if (strcmp(move_str, "none") == 0) {
4326 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4327 /* Again, we don't know what the board looked like;
4328 this is really the start of the game. */
4329 parseList[moveNum - 1][0] = NULLCHAR;
4330 moveList[moveNum - 1][0] = NULLCHAR;
4331 backwardMostMove = moveNum;
4332 startedFromSetupPosition = TRUE;
4333 fromX = fromY = toX = toY = -1;
4335 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4336 // So we parse the long-algebraic move string in stead of the SAN move
4337 int valid; char buf[MSG_SIZ], *prom;
4339 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4340 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4341 // str looks something like "Q/a1-a2"; kill the slash
4343 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4344 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4345 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4346 strcat(buf, prom); // long move lacks promo specification!
4347 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4348 if(appData.debugMode)
4349 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4350 safeStrCpy(move_str, buf, sizeof(move_str)/sizeof(move_str[0]));
4352 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4353 &fromX, &fromY, &toX, &toY, &promoChar)
4354 || ParseOneMove(buf, moveNum - 1, &moveType,
4355 &fromX, &fromY, &toX, &toY, &promoChar);
4356 // end of long SAN patch
4358 (void) CoordsToAlgebraic(boards[moveNum - 1],
4359 PosFlags(moveNum - 1),
4360 fromY, fromX, toY, toX, promoChar,
4361 parseList[moveNum-1]);
4362 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4368 if(gameInfo.variant != VariantShogi)
4369 strcat(parseList[moveNum - 1], "+");
4372 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4373 strcat(parseList[moveNum - 1], "#");
4376 strcat(parseList[moveNum - 1], " ");
4377 strcat(parseList[moveNum - 1], elapsed_time);
4378 /* currentMoveString is set as a side-effect of ParseOneMove */
4379 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '+';
4380 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4381 strcat(moveList[moveNum - 1], "\n");
4383 if(gameInfo.holdingsWidth && !appData.disguise) // inherit info that ICS does not give from previous board
4384 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4385 ChessSquare old, new = boards[moveNum][k][j];
4386 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4387 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4388 if(old == new) continue;
4389 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4390 else if(new == WhiteWazir || new == BlackWazir) {
4391 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4392 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4393 else boards[moveNum][k][j] = old; // preserve type of Gold
4394 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4395 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4398 /* Move from ICS was illegal!? Punt. */
4399 if (appData.debugMode) {
4400 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4401 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4403 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4404 strcat(parseList[moveNum - 1], " ");
4405 strcat(parseList[moveNum - 1], elapsed_time);
4406 moveList[moveNum - 1][0] = NULLCHAR;
4407 fromX = fromY = toX = toY = -1;
4410 if (appData.debugMode) {
4411 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4412 setbuf(debugFP, NULL);
4416 /* Send move to chess program (BEFORE animating it). */
4417 if (appData.zippyPlay && !newGame && newMove &&
4418 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4420 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4421 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4422 if (moveList[moveNum - 1][0] == NULLCHAR) {
4423 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4425 DisplayError(str, 0);
4427 if (first.sendTime) {
4428 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4430 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4431 if (firstMove && !bookHit) {
4433 if (first.useColors) {
4434 SendToProgram(gameMode == IcsPlayingWhite ?
4436 "black\ngo\n", &first);
4438 SendToProgram("go\n", &first);
4440 first.maybeThinking = TRUE;
4443 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4444 if (moveList[moveNum - 1][0] == NULLCHAR) {
4445 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4446 DisplayError(str, 0);
4448 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4449 SendMoveToProgram(moveNum - 1, &first);
4456 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4457 /* If move comes from a remote source, animate it. If it
4458 isn't remote, it will have already been animated. */
4459 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4460 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4462 if (!pausing && appData.highlightLastMove) {
4463 SetHighlights(fromX, fromY, toX, toY);
4467 /* Start the clocks */
4468 whiteFlag = blackFlag = FALSE;
4469 appData.clockMode = !(basetime == 0 && increment == 0);
4471 ics_clock_paused = TRUE;
4473 } else if (ticking == 1) {
4474 ics_clock_paused = FALSE;
4476 if (gameMode == IcsIdle ||
4477 relation == RELATION_OBSERVING_STATIC ||
4478 relation == RELATION_EXAMINING ||
4480 DisplayBothClocks();
4484 /* Display opponents and material strengths */
4485 if (gameInfo.variant != VariantBughouse &&
4486 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4487 if (tinyLayout || smallLayout) {
4488 if(gameInfo.variant == VariantNormal)
4489 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4490 gameInfo.white, white_stren, gameInfo.black, black_stren,
4491 basetime, increment);
4493 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4494 gameInfo.white, white_stren, gameInfo.black, black_stren,
4495 basetime, increment, (int) gameInfo.variant);
4497 if(gameInfo.variant == VariantNormal)
4498 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d}",
4499 gameInfo.white, white_stren, gameInfo.black, black_stren,
4500 basetime, increment);
4502 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d %s}",
4503 gameInfo.white, white_stren, gameInfo.black, black_stren,
4504 basetime, increment, VariantName(gameInfo.variant));
4507 if (appData.debugMode) {
4508 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4513 /* Display the board */
4514 if (!pausing && !appData.noGUI) {
4516 if (appData.premove)
4518 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4519 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4520 ClearPremoveHighlights();
4522 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4523 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4524 DrawPosition(j, boards[currentMove]);
4526 DisplayMove(moveNum - 1);
4527 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4528 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4529 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4530 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4534 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4536 if(bookHit) { // [HGM] book: simulate book reply
4537 static char bookMove[MSG_SIZ]; // a bit generous?
4539 programStats.nodes = programStats.depth = programStats.time =
4540 programStats.score = programStats.got_only_move = 0;
4541 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4543 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4544 strcat(bookMove, bookHit);
4545 HandleMachineMove(bookMove, &first);
4554 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4555 ics_getting_history = H_REQUESTED;
4556 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4562 AnalysisPeriodicEvent(force)
4565 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4566 && !force) || !appData.periodicUpdates)
4569 /* Send . command to Crafty to collect stats */
4570 SendToProgram(".\n", &first);
4572 /* Don't send another until we get a response (this makes
4573 us stop sending to old Crafty's which don't understand
4574 the "." command (sending illegal cmds resets node count & time,
4575 which looks bad)) */
4576 programStats.ok_to_send = 0;
4579 void ics_update_width(new_width)
4582 ics_printf("set width %d\n", new_width);
4586 SendMoveToProgram(moveNum, cps)
4588 ChessProgramState *cps;
4592 if (cps->useUsermove) {
4593 SendToProgram("usermove ", cps);
4597 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4598 int len = space - parseList[moveNum];
4599 memcpy(buf, parseList[moveNum], len);
4601 buf[len] = NULLCHAR;
4603 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4605 SendToProgram(buf, cps);
4607 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4608 AlphaRank(moveList[moveNum], 4);
4609 SendToProgram(moveList[moveNum], cps);
4610 AlphaRank(moveList[moveNum], 4); // and back
4612 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4613 * the engine. It would be nice to have a better way to identify castle
4615 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4616 && cps->useOOCastle) {
4617 int fromX = moveList[moveNum][0] - AAA;
4618 int fromY = moveList[moveNum][1] - ONE;
4619 int toX = moveList[moveNum][2] - AAA;
4620 int toY = moveList[moveNum][3] - ONE;
4621 if((boards[moveNum][fromY][fromX] == WhiteKing
4622 && boards[moveNum][toY][toX] == WhiteRook)
4623 || (boards[moveNum][fromY][fromX] == BlackKing
4624 && boards[moveNum][toY][toX] == BlackRook)) {
4625 if(toX > fromX) SendToProgram("O-O\n", cps);
4626 else SendToProgram("O-O-O\n", cps);
4628 else SendToProgram(moveList[moveNum], cps);
4630 else SendToProgram(moveList[moveNum], cps);
4631 /* End of additions by Tord */
4634 /* [HGM] setting up the opening has brought engine in force mode! */
4635 /* Send 'go' if we are in a mode where machine should play. */
4636 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4637 (gameMode == TwoMachinesPlay ||
4639 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4641 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4642 SendToProgram("go\n", cps);
4643 if (appData.debugMode) {
4644 fprintf(debugFP, "(extra)\n");
4647 setboardSpoiledMachineBlack = 0;
4651 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar)
4653 int fromX, fromY, toX, toY;
4656 char user_move[MSG_SIZ];
4660 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4661 (int)moveType, fromX, fromY, toX, toY);
4662 DisplayError(user_move + strlen("say "), 0);
4664 case WhiteKingSideCastle:
4665 case BlackKingSideCastle:
4666 case WhiteQueenSideCastleWild:
4667 case BlackQueenSideCastleWild:
4669 case WhiteHSideCastleFR:
4670 case BlackHSideCastleFR:
4672 snprintf(user_move, MSG_SIZ, "o-o\n");
4674 case WhiteQueenSideCastle:
4675 case BlackQueenSideCastle:
4676 case WhiteKingSideCastleWild:
4677 case BlackKingSideCastleWild:
4679 case WhiteASideCastleFR:
4680 case BlackASideCastleFR:
4682 snprintf(user_move, MSG_SIZ, "o-o-o\n");
4684 case WhiteNonPromotion:
4685 case BlackNonPromotion:
4686 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4688 case WhitePromotion:
4689 case BlackPromotion:
4690 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4691 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4692 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4693 PieceToChar(WhiteFerz));
4694 else if(gameInfo.variant == VariantGreat)
4695 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
4696 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4697 PieceToChar(WhiteMan));
4699 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4700 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4706 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
4707 ToUpper(PieceToChar((ChessSquare) fromX)),
4708 AAA + toX, ONE + toY);
4710 case IllegalMove: /* could be a variant we don't quite understand */
4711 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
4713 case WhiteCapturesEnPassant:
4714 case BlackCapturesEnPassant:
4715 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
4716 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4719 SendToICS(user_move);
4720 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
4721 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
4726 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
4727 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
4728 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
4729 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
4730 DisplayError("You cannot do this while you are playing or observing", 0);
4733 if(gameMode != IcsExamining) { // is this ever not the case?
4734 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
4736 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
4737 snprintf(command,MSG_SIZ, "match %s", ics_handle);
4738 } else { // on FICS we must first go to general examine mode
4739 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
4741 if(gameInfo.variant != VariantNormal) {
4742 // try figure out wild number, as xboard names are not always valid on ICS
4743 for(i=1; i<=36; i++) {
4744 snprintf(buf, MSG_SIZ, "wild/%d", i);
4745 if(StringToVariant(buf) == gameInfo.variant) break;
4747 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
4748 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
4749 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
4750 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
4751 SendToICS(ics_prefix);
4753 if(startedFromSetupPosition || backwardMostMove != 0) {
4754 fen = PositionToFEN(backwardMostMove, NULL);
4755 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
4756 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
4758 } else { // FICS: everything has to set by separate bsetup commands
4759 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
4760 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
4762 if(!WhiteOnMove(backwardMostMove)) {
4763 SendToICS("bsetup tomove black\n");
4765 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
4766 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
4768 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
4769 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
4771 i = boards[backwardMostMove][EP_STATUS];
4772 if(i >= 0) { // set e.p.
4773 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
4779 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
4780 SendToICS("bsetup done\n"); // switch to normal examining.
4782 for(i = backwardMostMove; i<last; i++) {
4784 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
4787 SendToICS(ics_prefix);
4788 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
4792 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
4797 if (rf == DROP_RANK) {
4798 sprintf(move, "%c@%c%c\n",
4799 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
4801 if (promoChar == 'x' || promoChar == NULLCHAR) {
4802 sprintf(move, "%c%c%c%c\n",
4803 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
4805 sprintf(move, "%c%c%c%c%c\n",
4806 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
4812 ProcessICSInitScript(f)
4817 while (fgets(buf, MSG_SIZ, f)) {
4818 SendToICSDelayed(buf,(long)appData.msLoginDelay);
4825 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
4827 AlphaRank(char *move, int n)
4829 // char *p = move, c; int x, y;
4831 if (appData.debugMode) {
4832 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
4836 move[2]>='0' && move[2]<='9' &&
4837 move[3]>='a' && move[3]<='x' ) {
4839 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4840 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4842 if(move[0]>='0' && move[0]<='9' &&
4843 move[1]>='a' && move[1]<='x' &&
4844 move[2]>='0' && move[2]<='9' &&
4845 move[3]>='a' && move[3]<='x' ) {
4846 /* input move, Shogi -> normal */
4847 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
4848 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
4849 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4850 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4853 move[3]>='0' && move[3]<='9' &&
4854 move[2]>='a' && move[2]<='x' ) {
4856 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4857 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4860 move[0]>='a' && move[0]<='x' &&
4861 move[3]>='0' && move[3]<='9' &&
4862 move[2]>='a' && move[2]<='x' ) {
4863 /* output move, normal -> Shogi */
4864 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
4865 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
4866 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4867 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4868 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
4870 if (appData.debugMode) {
4871 fprintf(debugFP, " out = '%s'\n", move);
4875 char yy_textstr[8000];
4877 /* Parser for moves from gnuchess, ICS, or user typein box */
4879 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
4882 ChessMove *moveType;
4883 int *fromX, *fromY, *toX, *toY;
4886 if (appData.debugMode) {
4887 fprintf(debugFP, "move to parse: %s\n", move);
4889 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
4891 switch (*moveType) {
4892 case WhitePromotion:
4893 case BlackPromotion:
4894 case WhiteNonPromotion:
4895 case BlackNonPromotion:
4897 case WhiteCapturesEnPassant:
4898 case BlackCapturesEnPassant:
4899 case WhiteKingSideCastle:
4900 case WhiteQueenSideCastle:
4901 case BlackKingSideCastle:
4902 case BlackQueenSideCastle:
4903 case WhiteKingSideCastleWild:
4904 case WhiteQueenSideCastleWild:
4905 case BlackKingSideCastleWild:
4906 case BlackQueenSideCastleWild:
4907 /* Code added by Tord: */
4908 case WhiteHSideCastleFR:
4909 case WhiteASideCastleFR:
4910 case BlackHSideCastleFR:
4911 case BlackASideCastleFR:
4912 /* End of code added by Tord */
4913 case IllegalMove: /* bug or odd chess variant */
4914 *fromX = currentMoveString[0] - AAA;
4915 *fromY = currentMoveString[1] - ONE;
4916 *toX = currentMoveString[2] - AAA;
4917 *toY = currentMoveString[3] - ONE;
4918 *promoChar = currentMoveString[4];
4919 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
4920 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
4921 if (appData.debugMode) {
4922 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
4924 *fromX = *fromY = *toX = *toY = 0;
4927 if (appData.testLegality) {
4928 return (*moveType != IllegalMove);
4930 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
4931 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
4936 *fromX = *moveType == WhiteDrop ?
4937 (int) CharToPiece(ToUpper(currentMoveString[0])) :
4938 (int) CharToPiece(ToLower(currentMoveString[0]));
4940 *toX = currentMoveString[2] - AAA;
4941 *toY = currentMoveString[3] - ONE;
4942 *promoChar = NULLCHAR;
4946 case ImpossibleMove:
4956 if (appData.debugMode) {
4957 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
4960 *fromX = *fromY = *toX = *toY = 0;
4961 *promoChar = NULLCHAR;
4968 ParsePV(char *pv, Boolean storeComments)
4969 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
4970 int fromX, fromY, toX, toY; char promoChar;
4975 endPV = forwardMostMove;
4977 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
4978 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
4979 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
4980 if(appData.debugMode){
4981 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);
4983 if(!valid && nr == 0 &&
4984 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
4985 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
4986 // Hande case where played move is different from leading PV move
4987 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
4988 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
4989 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
4990 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
4991 endPV += 2; // if position different, keep this
4992 moveList[endPV-1][0] = fromX + AAA;
4993 moveList[endPV-1][1] = fromY + ONE;
4994 moveList[endPV-1][2] = toX + AAA;
4995 moveList[endPV-1][3] = toY + ONE;
4996 parseList[endPV-1][0] = NULLCHAR;
4997 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5000 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5001 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5002 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5003 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5004 valid++; // allow comments in PV
5008 if(endPV+1 > framePtr) break; // no space, truncate
5011 CopyBoard(boards[endPV], boards[endPV-1]);
5012 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5013 moveList[endPV-1][0] = fromX + AAA;
5014 moveList[endPV-1][1] = fromY + ONE;
5015 moveList[endPV-1][2] = toX + AAA;
5016 moveList[endPV-1][3] = toY + ONE;
5018 CoordsToAlgebraic(boards[endPV - 1],
5019 PosFlags(endPV - 1),
5020 fromY, fromX, toY, toX, promoChar,
5021 parseList[endPV - 1]);
5023 parseList[endPV-1][0] = NULLCHAR;
5025 currentMove = endPV;
5026 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5027 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5028 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5029 DrawPosition(TRUE, boards[currentMove]);
5032 static int lastX, lastY;
5035 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
5040 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5041 lastX = x; lastY = y;
5042 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5044 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5045 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5047 do{ while(buf[index] && buf[index] != '\n') index++;
5048 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5050 ParsePV(buf+startPV, FALSE);
5051 *start = startPV; *end = index-1;
5056 LoadPV(int x, int y)
5057 { // called on right mouse click to load PV
5058 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5059 lastX = x; lastY = y;
5060 ParsePV(lastPV[which], FALSE); // load the PV of the thinking engine in the boards array.
5067 if(endPV < 0) return;
5069 currentMove = forwardMostMove;
5070 ClearPremoveHighlights();
5071 DrawPosition(TRUE, boards[currentMove]);
5075 MovePV(int x, int y, int h)
5076 { // step through PV based on mouse coordinates (called on mouse move)
5077 int margin = h>>3, step = 0;
5079 if(endPV < 0) return;
5080 // we must somehow check if right button is still down (might be released off board!)
5081 if(y < margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = 1; else
5082 if(y > h - margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = -1; else
5083 if( y > lastY + 6 ) step = -1; else if(y < lastY - 6) step = 1;
5085 lastX = x; lastY = y;
5086 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5087 currentMove += step;
5088 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5089 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5090 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5091 DrawPosition(FALSE, boards[currentMove]);
5095 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5096 // All positions will have equal probability, but the current method will not provide a unique
5097 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5103 int piecesLeft[(int)BlackPawn];
5104 int seed, nrOfShuffles;
5106 void GetPositionNumber()
5107 { // sets global variable seed
5110 seed = appData.defaultFrcPosition;
5111 if(seed < 0) { // randomize based on time for negative FRC position numbers
5112 for(i=0; i<50; i++) seed += random();
5113 seed = random() ^ random() >> 8 ^ random() << 8;
5114 if(seed<0) seed = -seed;
5118 int put(Board board, int pieceType, int rank, int n, int shade)
5119 // put the piece on the (n-1)-th empty squares of the given shade
5123 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5124 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5125 board[rank][i] = (ChessSquare) pieceType;
5126 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5128 piecesLeft[pieceType]--;
5136 void AddOnePiece(Board board, int pieceType, int rank, int shade)
5137 // calculate where the next piece goes, (any empty square), and put it there
5141 i = seed % squaresLeft[shade];
5142 nrOfShuffles *= squaresLeft[shade];
5143 seed /= squaresLeft[shade];
5144 put(board, pieceType, rank, i, shade);
5147 void AddTwoPieces(Board board, int pieceType, int rank)
5148 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5150 int i, n=squaresLeft[ANY], j=n-1, k;
5152 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5153 i = seed % k; // pick one
5156 while(i >= j) i -= j--;
5157 j = n - 1 - j; i += j;
5158 put(board, pieceType, rank, j, ANY);
5159 put(board, pieceType, rank, i, ANY);
5162 void SetUpShuffle(Board board, int number)
5166 GetPositionNumber(); nrOfShuffles = 1;
5168 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5169 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5170 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5172 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5174 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5175 p = (int) board[0][i];
5176 if(p < (int) BlackPawn) piecesLeft[p] ++;
5177 board[0][i] = EmptySquare;
5180 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5181 // shuffles restricted to allow normal castling put KRR first
5182 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5183 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5184 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5185 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5186 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5187 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5188 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5189 put(board, WhiteRook, 0, 0, ANY);
5190 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5193 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5194 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5195 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5196 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5197 while(piecesLeft[p] >= 2) {
5198 AddOnePiece(board, p, 0, LITE);
5199 AddOnePiece(board, p, 0, DARK);
5201 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5204 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5205 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5206 // but we leave King and Rooks for last, to possibly obey FRC restriction
5207 if(p == (int)WhiteRook) continue;
5208 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5209 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5212 // now everything is placed, except perhaps King (Unicorn) and Rooks
5214 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5215 // Last King gets castling rights
5216 while(piecesLeft[(int)WhiteUnicorn]) {
5217 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5218 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5221 while(piecesLeft[(int)WhiteKing]) {
5222 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5223 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5228 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5229 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5232 // Only Rooks can be left; simply place them all
5233 while(piecesLeft[(int)WhiteRook]) {
5234 i = put(board, WhiteRook, 0, 0, ANY);
5235 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5238 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5240 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5243 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5244 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5247 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5250 int SetCharTable( char *table, const char * map )
5251 /* [HGM] moved here from winboard.c because of its general usefulness */
5252 /* Basically a safe strcpy that uses the last character as King */
5254 int result = FALSE; int NrPieces;
5256 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5257 && NrPieces >= 12 && !(NrPieces&1)) {
5258 int i; /* [HGM] Accept even length from 12 to 34 */
5260 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5261 for( i=0; i<NrPieces/2-1; i++ ) {
5263 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5265 table[(int) WhiteKing] = map[NrPieces/2-1];
5266 table[(int) BlackKing] = map[NrPieces-1];
5274 void Prelude(Board board)
5275 { // [HGM] superchess: random selection of exo-pieces
5276 int i, j, k; ChessSquare p;
5277 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5279 GetPositionNumber(); // use FRC position number
5281 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5282 SetCharTable(pieceToChar, appData.pieceToCharTable);
5283 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5284 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5287 j = seed%4; seed /= 4;
5288 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5289 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5290 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5291 j = seed%3 + (seed%3 >= j); seed /= 3;
5292 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5293 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5294 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5295 j = seed%3; seed /= 3;
5296 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5297 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5298 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5299 j = seed%2 + (seed%2 >= j); seed /= 2;
5300 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5301 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5302 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5303 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5304 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5305 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5306 put(board, exoPieces[0], 0, 0, ANY);
5307 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5311 InitPosition(redraw)
5314 ChessSquare (* pieces)[BOARD_FILES];
5315 int i, j, pawnRow, overrule,
5316 oldx = gameInfo.boardWidth,
5317 oldy = gameInfo.boardHeight,
5318 oldh = gameInfo.holdingsWidth,
5319 oldv = gameInfo.variant;
5321 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5323 /* [AS] Initialize pv info list [HGM] and game status */
5325 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5326 pvInfoList[i].depth = 0;
5327 boards[i][EP_STATUS] = EP_NONE;
5328 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5331 initialRulePlies = 0; /* 50-move counter start */
5333 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5334 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5338 /* [HGM] logic here is completely changed. In stead of full positions */
5339 /* the initialized data only consist of the two backranks. The switch */
5340 /* selects which one we will use, which is than copied to the Board */
5341 /* initialPosition, which for the rest is initialized by Pawns and */
5342 /* empty squares. This initial position is then copied to boards[0], */
5343 /* possibly after shuffling, so that it remains available. */
5345 gameInfo.holdingsWidth = 0; /* default board sizes */
5346 gameInfo.boardWidth = 8;
5347 gameInfo.boardHeight = 8;
5348 gameInfo.holdingsSize = 0;
5349 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5350 for(i=0; i<BOARD_FILES-2; i++)
5351 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5352 initialPosition[EP_STATUS] = EP_NONE;
5353 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5354 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5355 SetCharTable(pieceNickName, appData.pieceNickNames);
5356 else SetCharTable(pieceNickName, "............");
5358 switch (gameInfo.variant) {
5359 case VariantFischeRandom:
5360 shuffleOpenings = TRUE;
5364 case VariantShatranj:
5365 pieces = ShatranjArray;
5366 nrCastlingRights = 0;
5367 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5370 pieces = makrukArray;
5371 nrCastlingRights = 0;
5372 startedFromSetupPosition = TRUE;
5373 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5375 case VariantTwoKings:
5376 pieces = twoKingsArray;
5378 case VariantCapaRandom:
5379 shuffleOpenings = TRUE;
5380 case VariantCapablanca:
5381 pieces = CapablancaArray;
5382 gameInfo.boardWidth = 10;
5383 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5386 pieces = GothicArray;
5387 gameInfo.boardWidth = 10;
5388 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5391 pieces = JanusArray;
5392 gameInfo.boardWidth = 10;
5393 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5394 nrCastlingRights = 6;
5395 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5396 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5397 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5398 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5399 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5400 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5403 pieces = FalconArray;
5404 gameInfo.boardWidth = 10;
5405 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5407 case VariantXiangqi:
5408 pieces = XiangqiArray;
5409 gameInfo.boardWidth = 9;
5410 gameInfo.boardHeight = 10;
5411 nrCastlingRights = 0;
5412 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5415 pieces = ShogiArray;
5416 gameInfo.boardWidth = 9;
5417 gameInfo.boardHeight = 9;
5418 gameInfo.holdingsSize = 7;
5419 nrCastlingRights = 0;
5420 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5422 case VariantCourier:
5423 pieces = CourierArray;
5424 gameInfo.boardWidth = 12;
5425 nrCastlingRights = 0;
5426 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5428 case VariantKnightmate:
5429 pieces = KnightmateArray;
5430 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5433 pieces = fairyArray;
5434 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5437 pieces = GreatArray;
5438 gameInfo.boardWidth = 10;
5439 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5440 gameInfo.holdingsSize = 8;
5444 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5445 gameInfo.holdingsSize = 8;
5446 startedFromSetupPosition = TRUE;
5448 case VariantCrazyhouse:
5449 case VariantBughouse:
5451 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5452 gameInfo.holdingsSize = 5;
5454 case VariantWildCastle:
5456 /* !!?shuffle with kings guaranteed to be on d or e file */
5457 shuffleOpenings = 1;
5459 case VariantNoCastle:
5461 nrCastlingRights = 0;
5462 /* !!?unconstrained back-rank shuffle */
5463 shuffleOpenings = 1;
5468 if(appData.NrFiles >= 0) {
5469 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5470 gameInfo.boardWidth = appData.NrFiles;
5472 if(appData.NrRanks >= 0) {
5473 gameInfo.boardHeight = appData.NrRanks;
5475 if(appData.holdingsSize >= 0) {
5476 i = appData.holdingsSize;
5477 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5478 gameInfo.holdingsSize = i;
5480 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5481 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5482 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5484 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5485 if(pawnRow < 1) pawnRow = 1;
5486 if(gameInfo.variant == VariantMakruk) pawnRow = 2;
5488 /* User pieceToChar list overrules defaults */
5489 if(appData.pieceToCharTable != NULL)
5490 SetCharTable(pieceToChar, appData.pieceToCharTable);
5492 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5494 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5495 s = (ChessSquare) 0; /* account holding counts in guard band */
5496 for( i=0; i<BOARD_HEIGHT; i++ )
5497 initialPosition[i][j] = s;
5499 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5500 initialPosition[0][j] = pieces[0][j-gameInfo.holdingsWidth];
5501 initialPosition[pawnRow][j] = WhitePawn;
5502 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = BlackPawn;
5503 if(gameInfo.variant == VariantXiangqi) {
5505 initialPosition[pawnRow][j] =
5506 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5507 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5508 initialPosition[2][j] = WhiteCannon;
5509 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5513 initialPosition[BOARD_HEIGHT-1][j] = pieces[1][j-gameInfo.holdingsWidth];
5515 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5518 initialPosition[1][j] = WhiteBishop;
5519 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5521 initialPosition[1][j] = WhiteRook;
5522 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5525 if( nrCastlingRights == -1) {
5526 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5527 /* This sets default castling rights from none to normal corners */
5528 /* Variants with other castling rights must set them themselves above */
5529 nrCastlingRights = 6;
5531 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5532 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5533 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5534 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5535 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5536 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5539 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5540 if(gameInfo.variant == VariantGreat) { // promotion commoners
5541 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5542 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5543 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5544 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5546 if (appData.debugMode) {
5547 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5549 if(shuffleOpenings) {
5550 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5551 startedFromSetupPosition = TRUE;
5553 if(startedFromPositionFile) {
5554 /* [HGM] loadPos: use PositionFile for every new game */
5555 CopyBoard(initialPosition, filePosition);
5556 for(i=0; i<nrCastlingRights; i++)
5557 initialRights[i] = filePosition[CASTLING][i];
5558 startedFromSetupPosition = TRUE;
5561 CopyBoard(boards[0], initialPosition);
5563 if(oldx != gameInfo.boardWidth ||
5564 oldy != gameInfo.boardHeight ||
5565 oldh != gameInfo.holdingsWidth
5567 || oldv == VariantGothic || // For licensing popups
5568 gameInfo.variant == VariantGothic
5571 || oldv == VariantFalcon ||
5572 gameInfo.variant == VariantFalcon
5575 InitDrawingSizes(-2 ,0);
5578 DrawPosition(TRUE, boards[currentMove]);
5582 SendBoard(cps, moveNum)
5583 ChessProgramState *cps;
5586 char message[MSG_SIZ];
5588 if (cps->useSetboard) {
5589 char* fen = PositionToFEN(moveNum, cps->fenOverride);
5590 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
5591 SendToProgram(message, cps);
5597 /* Kludge to set black to move, avoiding the troublesome and now
5598 * deprecated "black" command.
5600 if (!WhiteOnMove(moveNum)) SendToProgram("a2a3\n", cps);
5602 SendToProgram("edit\n", cps);
5603 SendToProgram("#\n", cps);
5604 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5605 bp = &boards[moveNum][i][BOARD_LEFT];
5606 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5607 if ((int) *bp < (int) BlackPawn) {
5608 snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp),
5610 if(message[0] == '+' || message[0] == '~') {
5611 snprintf(message, MSG_SIZ,"%c%c%c+\n",
5612 PieceToChar((ChessSquare)(DEMOTED *bp)),
5615 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5616 message[1] = BOARD_RGHT - 1 - j + '1';
5617 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5619 SendToProgram(message, cps);
5624 SendToProgram("c\n", cps);
5625 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5626 bp = &boards[moveNum][i][BOARD_LEFT];
5627 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5628 if (((int) *bp != (int) EmptySquare)
5629 && ((int) *bp >= (int) BlackPawn)) {
5630 snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
5632 if(message[0] == '+' || message[0] == '~') {
5633 snprintf(message, MSG_SIZ,"%c%c%c+\n",
5634 PieceToChar((ChessSquare)(DEMOTED *bp)),
5637 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5638 message[1] = BOARD_RGHT - 1 - j + '1';
5639 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5641 SendToProgram(message, cps);
5646 SendToProgram(".\n", cps);
5648 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
5651 static int autoQueen; // [HGM] oneclick
5654 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice)
5656 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
5657 /* [HGM] add Shogi promotions */
5658 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
5663 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
5664 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
5666 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
5667 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
5670 piece = boards[currentMove][fromY][fromX];
5671 if(gameInfo.variant == VariantShogi) {
5672 promotionZoneSize = BOARD_HEIGHT/3;
5673 highestPromotingPiece = (int)WhiteFerz;
5674 } else if(gameInfo.variant == VariantMakruk) {
5675 promotionZoneSize = 3;
5678 // next weed out all moves that do not touch the promotion zone at all
5679 if((int)piece >= BlackPawn) {
5680 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
5682 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
5684 if( toY < BOARD_HEIGHT - promotionZoneSize &&
5685 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
5688 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
5690 // weed out mandatory Shogi promotions
5691 if(gameInfo.variant == VariantShogi) {
5692 if(piece >= BlackPawn) {
5693 if(toY == 0 && piece == BlackPawn ||
5694 toY == 0 && piece == BlackQueen ||
5695 toY <= 1 && piece == BlackKnight) {
5700 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
5701 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
5702 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
5709 // weed out obviously illegal Pawn moves
5710 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
5711 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
5712 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
5713 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
5714 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
5715 // note we are not allowed to test for valid (non-)capture, due to premove
5718 // we either have a choice what to promote to, or (in Shogi) whether to promote
5719 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
5720 *promoChoice = PieceToChar(BlackFerz); // no choice
5723 if(autoQueen) { // predetermined
5724 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantLosers)
5725 *promoChoice = PieceToChar(BlackKing); // in Suicide Q is the last thing we want
5726 else *promoChoice = PieceToChar(BlackQueen);
5730 // suppress promotion popup on illegal moves that are not premoves
5731 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
5732 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
5733 if(appData.testLegality && !premove) {
5734 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5735 fromY, fromX, toY, toX, NULLCHAR);
5736 if(moveType != WhitePromotion && moveType != BlackPromotion)
5744 InPalace(row, column)
5746 { /* [HGM] for Xiangqi */
5747 if( (row < 3 || row > BOARD_HEIGHT-4) &&
5748 column < (BOARD_WIDTH + 4)/2 &&
5749 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
5754 PieceForSquare (x, y)
5758 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
5761 return boards[currentMove][y][x];
5765 OKToStartUserMove(x, y)
5768 ChessSquare from_piece;
5771 if (matchMode) return FALSE;
5772 if (gameMode == EditPosition) return TRUE;
5774 if (x >= 0 && y >= 0)
5775 from_piece = boards[currentMove][y][x];
5777 from_piece = EmptySquare;
5779 if (from_piece == EmptySquare) return FALSE;
5781 white_piece = (int)from_piece >= (int)WhitePawn &&
5782 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
5785 case PlayFromGameFile:
5787 case TwoMachinesPlay:
5795 case MachinePlaysWhite:
5796 case IcsPlayingBlack:
5797 if (appData.zippyPlay) return FALSE;
5799 DisplayMoveError(_("You are playing Black"));
5804 case MachinePlaysBlack:
5805 case IcsPlayingWhite:
5806 if (appData.zippyPlay) return FALSE;
5808 DisplayMoveError(_("You are playing White"));
5814 if (!white_piece && WhiteOnMove(currentMove)) {
5815 DisplayMoveError(_("It is White's turn"));
5818 if (white_piece && !WhiteOnMove(currentMove)) {
5819 DisplayMoveError(_("It is Black's turn"));
5822 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
5823 /* Editing correspondence game history */
5824 /* Could disallow this or prompt for confirmation */
5829 case BeginningOfGame:
5830 if (appData.icsActive) return FALSE;
5831 if (!appData.noChessProgram) {
5833 DisplayMoveError(_("You are playing White"));
5840 if (!white_piece && WhiteOnMove(currentMove)) {
5841 DisplayMoveError(_("It is White's turn"));
5844 if (white_piece && !WhiteOnMove(currentMove)) {
5845 DisplayMoveError(_("It is Black's turn"));
5854 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
5855 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
5856 && gameMode != AnalyzeFile && gameMode != Training) {
5857 DisplayMoveError(_("Displayed position is not current"));
5864 OnlyMove(int *x, int *y, Boolean captures) {
5865 DisambiguateClosure cl;
5866 if (appData.zippyPlay) return FALSE;
5868 case MachinePlaysBlack:
5869 case IcsPlayingWhite:
5870 case BeginningOfGame:
5871 if(!WhiteOnMove(currentMove)) return FALSE;
5873 case MachinePlaysWhite:
5874 case IcsPlayingBlack:
5875 if(WhiteOnMove(currentMove)) return FALSE;
5880 cl.pieceIn = EmptySquare;
5885 cl.promoCharIn = NULLCHAR;
5886 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5887 if( cl.kind == NormalMove ||
5888 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5889 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
5890 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5897 if(cl.kind != ImpossibleMove) return FALSE;
5898 cl.pieceIn = EmptySquare;
5903 cl.promoCharIn = NULLCHAR;
5904 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5905 if( cl.kind == NormalMove ||
5906 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5907 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
5908 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5913 autoQueen = TRUE; // act as if autoQueen on when we click to-square
5919 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
5920 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
5921 int lastLoadGameUseList = FALSE;
5922 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
5923 ChessMove lastLoadGameStart = EndOfFile;
5926 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
5927 int fromX, fromY, toX, toY;
5931 ChessSquare pdown, pup;
5933 /* Check if the user is playing in turn. This is complicated because we
5934 let the user "pick up" a piece before it is his turn. So the piece he
5935 tried to pick up may have been captured by the time he puts it down!
5936 Therefore we use the color the user is supposed to be playing in this
5937 test, not the color of the piece that is currently on the starting
5938 square---except in EditGame mode, where the user is playing both
5939 sides; fortunately there the capture race can't happen. (It can
5940 now happen in IcsExamining mode, but that's just too bad. The user
5941 will get a somewhat confusing message in that case.)
5945 case PlayFromGameFile:
5947 case TwoMachinesPlay:
5951 /* We switched into a game mode where moves are not accepted,
5952 perhaps while the mouse button was down. */
5955 case MachinePlaysWhite:
5956 /* User is moving for Black */
5957 if (WhiteOnMove(currentMove)) {
5958 DisplayMoveError(_("It is White's turn"));
5963 case MachinePlaysBlack:
5964 /* User is moving for White */
5965 if (!WhiteOnMove(currentMove)) {
5966 DisplayMoveError(_("It is Black's turn"));
5973 case BeginningOfGame:
5976 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
5977 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
5978 /* User is moving for Black */
5979 if (WhiteOnMove(currentMove)) {
5980 DisplayMoveError(_("It is White's turn"));
5984 /* User is moving for White */
5985 if (!WhiteOnMove(currentMove)) {
5986 DisplayMoveError(_("It is Black's turn"));
5992 case IcsPlayingBlack:
5993 /* User is moving for Black */
5994 if (WhiteOnMove(currentMove)) {
5995 if (!appData.premove) {
5996 DisplayMoveError(_("It is White's turn"));
5997 } else if (toX >= 0 && toY >= 0) {
6000 premoveFromX = fromX;
6001 premoveFromY = fromY;
6002 premovePromoChar = promoChar;
6004 if (appData.debugMode)
6005 fprintf(debugFP, "Got premove: fromX %d,"
6006 "fromY %d, toX %d, toY %d\n",
6007 fromX, fromY, toX, toY);
6013 case IcsPlayingWhite:
6014 /* User is moving for White */
6015 if (!WhiteOnMove(currentMove)) {
6016 if (!appData.premove) {
6017 DisplayMoveError(_("It is Black's turn"));
6018 } else if (toX >= 0 && toY >= 0) {
6021 premoveFromX = fromX;
6022 premoveFromY = fromY;
6023 premovePromoChar = promoChar;
6025 if (appData.debugMode)
6026 fprintf(debugFP, "Got premove: fromX %d,"
6027 "fromY %d, toX %d, toY %d\n",
6028 fromX, fromY, toX, toY);
6038 /* EditPosition, empty square, or different color piece;
6039 click-click move is possible */
6040 if (toX == -2 || toY == -2) {
6041 boards[0][fromY][fromX] = EmptySquare;
6042 DrawPosition(FALSE, boards[currentMove]);
6044 } else if (toX >= 0 && toY >= 0) {
6045 boards[0][toY][toX] = boards[0][fromY][fromX];
6046 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6047 if(boards[0][fromY][0] != EmptySquare) {
6048 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6049 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6052 if(fromX == BOARD_RGHT+1) {
6053 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6054 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6055 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6058 boards[0][fromY][fromX] = EmptySquare;
6059 DrawPosition(FALSE, boards[currentMove]);
6065 if(toX < 0 || toY < 0) return;
6066 pdown = boards[currentMove][fromY][fromX];
6067 pup = boards[currentMove][toY][toX];
6069 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6070 if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) {
6071 if( pup != EmptySquare ) return;
6072 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6073 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6074 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6075 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6076 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6077 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6078 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6082 /* [HGM] always test for legality, to get promotion info */
6083 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6084 fromY, fromX, toY, toX, promoChar);
6085 /* [HGM] but possibly ignore an IllegalMove result */
6086 if (appData.testLegality) {
6087 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6088 DisplayMoveError(_("Illegal move"));
6093 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6096 /* Common tail of UserMoveEvent and DropMenuEvent */
6098 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
6100 int fromX, fromY, toX, toY;
6101 /*char*/int promoChar;
6105 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR) {
6106 // [HGM] superchess: suppress promotions to non-available piece
6107 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6108 if(WhiteOnMove(currentMove)) {
6109 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6111 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6115 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6116 move type in caller when we know the move is a legal promotion */
6117 if(moveType == NormalMove && promoChar)
6118 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6120 /* [HGM] <popupFix> The following if has been moved here from
6121 UserMoveEvent(). Because it seemed to belong here (why not allow
6122 piece drops in training games?), and because it can only be
6123 performed after it is known to what we promote. */
6124 if (gameMode == Training) {
6125 /* compare the move played on the board to the next move in the
6126 * game. If they match, display the move and the opponent's response.
6127 * If they don't match, display an error message.
6131 CopyBoard(testBoard, boards[currentMove]);
6132 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6134 if (CompareBoards(testBoard, boards[currentMove+1])) {
6135 ForwardInner(currentMove+1);
6137 /* Autoplay the opponent's response.
6138 * if appData.animate was TRUE when Training mode was entered,
6139 * the response will be animated.
6141 saveAnimate = appData.animate;
6142 appData.animate = animateTraining;
6143 ForwardInner(currentMove+1);
6144 appData.animate = saveAnimate;
6146 /* check for the end of the game */
6147 if (currentMove >= forwardMostMove) {
6148 gameMode = PlayFromGameFile;
6150 SetTrainingModeOff();
6151 DisplayInformation(_("End of game"));
6154 DisplayError(_("Incorrect move"), 0);
6159 /* Ok, now we know that the move is good, so we can kill
6160 the previous line in Analysis Mode */
6161 if ((gameMode == AnalyzeMode || gameMode == EditGame)
6162 && currentMove < forwardMostMove) {
6163 if(appData.variations) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6164 else forwardMostMove = currentMove;
6167 /* If we need the chess program but it's dead, restart it */
6168 ResurrectChessProgram();
6170 /* A user move restarts a paused game*/
6174 thinkOutput[0] = NULLCHAR;
6176 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6178 if(Adjudicate(NULL)) return 1; // [HGM] adjudicate: take care of automtic game end
6180 if (gameMode == BeginningOfGame) {
6181 if (appData.noChessProgram) {
6182 gameMode = EditGame;
6186 gameMode = MachinePlaysBlack;
6189 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
6191 if (first.sendName) {
6192 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6193 SendToProgram(buf, &first);
6200 /* Relay move to ICS or chess engine */
6201 if (appData.icsActive) {
6202 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6203 gameMode == IcsExamining) {
6204 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6205 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6207 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6209 // also send plain move, in case ICS does not understand atomic claims
6210 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6214 if (first.sendTime && (gameMode == BeginningOfGame ||
6215 gameMode == MachinePlaysWhite ||
6216 gameMode == MachinePlaysBlack)) {
6217 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6219 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6220 // [HGM] book: if program might be playing, let it use book
6221 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6222 first.maybeThinking = TRUE;
6223 } else SendMoveToProgram(forwardMostMove-1, &first);
6224 if (currentMove == cmailOldMove + 1) {
6225 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6229 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6233 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6239 if (WhiteOnMove(currentMove)) {
6240 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6242 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6246 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6251 case MachinePlaysBlack:
6252 case MachinePlaysWhite:
6253 /* disable certain menu options while machine is thinking */
6254 SetMachineThinkingEnables();
6261 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6263 if(bookHit) { // [HGM] book: simulate book reply
6264 static char bookMove[MSG_SIZ]; // a bit generous?
6266 programStats.nodes = programStats.depth = programStats.time =
6267 programStats.score = programStats.got_only_move = 0;
6268 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6270 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6271 strcat(bookMove, bookHit);
6272 HandleMachineMove(bookMove, &first);
6278 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6285 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6286 Markers *m = (Markers *) closure;
6287 if(rf == fromY && ff == fromX)
6288 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6289 || kind == WhiteCapturesEnPassant
6290 || kind == BlackCapturesEnPassant);
6291 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6295 MarkTargetSquares(int clear)
6298 if(!appData.markers || !appData.highlightDragging ||
6299 !appData.testLegality || gameMode == EditPosition) return;
6301 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6304 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker);
6305 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6306 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6308 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6311 DrawPosition(TRUE, NULL);
6314 void LeftClick(ClickType clickType, int xPix, int yPix)
6317 Boolean saveAnimate;
6318 static int second = 0, promotionChoice = 0, dragging = 0;
6319 char promoChoice = NULLCHAR;
6321 if(appData.seekGraph && appData.icsActive && loggedOn &&
6322 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6323 SeekGraphClick(clickType, xPix, yPix, 0);
6327 if (clickType == Press) ErrorPopDown();
6328 MarkTargetSquares(1);
6330 x = EventToSquare(xPix, BOARD_WIDTH);
6331 y = EventToSquare(yPix, BOARD_HEIGHT);
6332 if (!flipView && y >= 0) {
6333 y = BOARD_HEIGHT - 1 - y;
6335 if (flipView && x >= 0) {
6336 x = BOARD_WIDTH - 1 - x;
6339 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6340 if(clickType == Release) return; // ignore upclick of click-click destination
6341 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6342 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6343 if(gameInfo.holdingsWidth &&
6344 (WhiteOnMove(currentMove)
6345 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y > 0
6346 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT-1) ) {
6347 // click in right holdings, for determining promotion piece
6348 ChessSquare p = boards[currentMove][y][x];
6349 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6350 if(p != EmptySquare) {
6351 FinishMove(NormalMove, fromX, fromY, toX, toY, ToLower(PieceToChar(p)));
6356 DrawPosition(FALSE, boards[currentMove]);
6360 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6361 if(clickType == Press
6362 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6363 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6364 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6367 autoQueen = appData.alwaysPromoteToQueen;
6370 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE)) {
6371 if (clickType == Press) {
6373 if (OKToStartUserMove(x, y)) {
6377 MarkTargetSquares(0);
6378 DragPieceBegin(xPix, yPix); dragging = 1;
6379 if (appData.highlightDragging) {
6380 SetHighlights(x, y, -1, -1);
6383 } else if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6384 DragPieceEnd(xPix, yPix); dragging = 0;
6385 DrawPosition(FALSE, NULL);
6392 if (clickType == Press && gameMode != EditPosition) {
6397 // ignore off-board to clicks
6398 if(y < 0 || x < 0) return;
6400 /* Check if clicking again on the same color piece */
6401 fromP = boards[currentMove][fromY][fromX];
6402 toP = boards[currentMove][y][x];
6403 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom;
6404 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6405 WhitePawn <= toP && toP <= WhiteKing &&
6406 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6407 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6408 (BlackPawn <= fromP && fromP <= BlackKing &&
6409 BlackPawn <= toP && toP <= BlackKing &&
6410 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6411 !(fromP == BlackKing && toP == BlackRook && frc))) {
6412 /* Clicked again on same color piece -- changed his mind */
6413 second = (x == fromX && y == fromY);
6414 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6415 if (appData.highlightDragging) {
6416 SetHighlights(x, y, -1, -1);
6420 if (OKToStartUserMove(x, y)) {
6422 fromY = y; dragging = 1;
6423 MarkTargetSquares(0);
6424 DragPieceBegin(xPix, yPix);
6429 // ignore clicks on holdings
6430 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6433 if (clickType == Release && x == fromX && y == fromY) {
6434 DragPieceEnd(xPix, yPix); dragging = 0;
6435 if (appData.animateDragging) {
6436 /* Undo animation damage if any */
6437 DrawPosition(FALSE, NULL);
6440 /* Second up/down in same square; just abort move */
6445 ClearPremoveHighlights();
6447 /* First upclick in same square; start click-click mode */
6448 SetHighlights(x, y, -1, -1);
6453 /* we now have a different from- and (possibly off-board) to-square */
6454 /* Completed move */
6457 saveAnimate = appData.animate;
6458 if (clickType == Press) {
6459 /* Finish clickclick move */
6460 if (appData.animate || appData.highlightLastMove) {
6461 SetHighlights(fromX, fromY, toX, toY);
6466 /* Finish drag move */
6467 if (appData.highlightLastMove) {
6468 SetHighlights(fromX, fromY, toX, toY);
6472 DragPieceEnd(xPix, yPix); dragging = 0;
6473 /* Don't animate move and drag both */
6474 appData.animate = FALSE;
6477 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
6478 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
6479 ChessSquare piece = boards[currentMove][fromY][fromX];
6480 if(gameMode == EditPosition && piece != EmptySquare &&
6481 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
6484 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
6485 n = PieceToNumber(piece - (int)BlackPawn);
6486 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
6487 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
6488 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
6490 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
6491 n = PieceToNumber(piece);
6492 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
6493 boards[currentMove][n][BOARD_WIDTH-1] = piece;
6494 boards[currentMove][n][BOARD_WIDTH-2]++;
6496 boards[currentMove][fromY][fromX] = EmptySquare;
6500 DrawPosition(TRUE, boards[currentMove]);
6504 // off-board moves should not be highlighted
6505 if(x < 0 || x < 0) ClearHighlights();
6507 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
6508 SetHighlights(fromX, fromY, toX, toY);
6509 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6510 // [HGM] super: promotion to captured piece selected from holdings
6511 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
6512 promotionChoice = TRUE;
6513 // kludge follows to temporarily execute move on display, without promoting yet
6514 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
6515 boards[currentMove][toY][toX] = p;
6516 DrawPosition(FALSE, boards[currentMove]);
6517 boards[currentMove][fromY][fromX] = p; // take back, but display stays
6518 boards[currentMove][toY][toX] = q;
6519 DisplayMessage("Click in holdings to choose piece", "");
6524 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
6525 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
6526 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
6529 appData.animate = saveAnimate;
6530 if (appData.animate || appData.animateDragging) {
6531 /* Undo animation damage if needed */
6532 DrawPosition(FALSE, NULL);
6536 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
6537 { // front-end-free part taken out of PieceMenuPopup
6538 int whichMenu; int xSqr, ySqr;
6540 if(seekGraphUp) { // [HGM] seekgraph
6541 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
6542 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
6546 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
6547 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
6548 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
6549 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
6550 if(action == Press) {
6551 originalFlip = flipView;
6552 flipView = !flipView; // temporarily flip board to see game from partners perspective
6553 DrawPosition(TRUE, partnerBoard);
6554 DisplayMessage(partnerStatus, "");
6556 } else if(action == Release) {
6557 flipView = originalFlip;
6558 DrawPosition(TRUE, boards[currentMove]);
6564 xSqr = EventToSquare(x, BOARD_WIDTH);
6565 ySqr = EventToSquare(y, BOARD_HEIGHT);
6566 if (action == Release) UnLoadPV(); // [HGM] pv
6567 if (action != Press) return -2; // return code to be ignored
6570 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
\r
6572 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
\r
6573 if (xSqr < 0 || ySqr < 0) return -1;
\r
6574 whichMenu = 0; // edit-position menu
6577 if(!appData.icsEngineAnalyze) return -1;
6578 case IcsPlayingWhite:
6579 case IcsPlayingBlack:
6580 if(!appData.zippyPlay) goto noZip;
6583 case MachinePlaysWhite:
6584 case MachinePlaysBlack:
6585 case TwoMachinesPlay: // [HGM] pv: use for showing PV
6586 if (!appData.dropMenu) {
6588 return 2; // flag front-end to grab mouse events
6590 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
6591 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
6594 if (xSqr < 0 || ySqr < 0) return -1;
6595 if (!appData.dropMenu || appData.testLegality &&
6596 gameInfo.variant != VariantBughouse &&
6597 gameInfo.variant != VariantCrazyhouse) return -1;
6598 whichMenu = 1; // drop menu
6604 if (((*fromX = xSqr) < 0) ||
6605 ((*fromY = ySqr) < 0)) {
6606 *fromX = *fromY = -1;
6610 *fromX = BOARD_WIDTH - 1 - *fromX;
6612 *fromY = BOARD_HEIGHT - 1 - *fromY;
6617 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
6619 // char * hint = lastHint;
6620 FrontEndProgramStats stats;
6622 stats.which = cps == &first ? 0 : 1;
6623 stats.depth = cpstats->depth;
6624 stats.nodes = cpstats->nodes;
6625 stats.score = cpstats->score;
6626 stats.time = cpstats->time;
6627 stats.pv = cpstats->movelist;
6628 stats.hint = lastHint;
6629 stats.an_move_index = 0;
6630 stats.an_move_count = 0;
6632 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
6633 stats.hint = cpstats->move_name;
6634 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
6635 stats.an_move_count = cpstats->nr_moves;
6638 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
6640 SetProgramStats( &stats );
6644 Count(Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
6645 { // count all piece types
6647 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
6648 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
6649 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
6652 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
6653 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
6654 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
6655 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
6656 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
6657 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
6662 SufficientDefence(int pCnt[], int side, int nMine, int nHis)
6664 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
6665 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
6667 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
6668 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
6669 if(myPawns == 2 && nMine == 3) // KPP
6670 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
6671 if(myPawns == 1 && nMine == 2) // KP
6672 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
6673 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
6674 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
6675 if(myPawns) return FALSE;
6676 if(pCnt[WhiteRook+side])
6677 return pCnt[BlackRook-side] ||
6678 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
6679 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
6680 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
6681 if(pCnt[WhiteCannon+side]) {
6682 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
6683 return majorDefense || pCnt[BlackAlfil-side] >= 2;
6685 if(pCnt[WhiteKnight+side])
6686 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
6691 MatingPotential(int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
6693 VariantClass v = gameInfo.variant;
6695 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
6696 if(v == VariantShatranj) return TRUE; // always winnable through baring
6697 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
6698 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
6700 if(v == VariantXiangqi) {
6701 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
6703 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
6704 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
6705 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
6706 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
6707 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
6708 if(stale) // we have at least one last-rank P plus perhaps C
6709 return majors // KPKX
6710 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
6712 return pCnt[WhiteFerz+side] // KCAK
6713 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
6714 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
6715 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
6717 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
6718 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
6720 if(nMine == 1) return FALSE; // bare King
6721 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
6722 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
6723 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
6724 // by now we have King + 1 piece (or multiple Bishops on the same color)
6725 if(pCnt[WhiteKnight+side])
6726 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
6727 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
6728 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
6730 return (pCnt[BlackKnight-side]); // KBKN, KFKN
6731 if(pCnt[WhiteAlfil+side])
6732 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
6733 if(pCnt[WhiteWazir+side])
6734 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
6741 Adjudicate(ChessProgramState *cps)
6742 { // [HGM] some adjudications useful with buggy engines
6743 // [HGM] adjudicate: made into separate routine, which now can be called after every move
6744 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
6745 // Actually ending the game is now based on the additional internal condition canAdjudicate.
6746 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
6747 int k, count = 0; static int bare = 1;
6748 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
6749 Boolean canAdjudicate = !appData.icsActive;
6751 // most tests only when we understand the game, i.e. legality-checking on
6752 if( appData.testLegality )
6753 { /* [HGM] Some more adjudications for obstinate engines */
6754 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
6755 static int moveCount = 6;
6757 char *reason = NULL;
6759 /* Count what is on board. */
6760 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
6762 /* Some material-based adjudications that have to be made before stalemate test */
6763 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
6764 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
6765 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
6766 if(canAdjudicate && appData.checkMates) {
6768 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6769 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6770 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
6771 "Xboard adjudication: King destroyed", GE_XBOARD );
6776 /* Bare King in Shatranj (loses) or Losers (wins) */
6777 if( nrW == 1 || nrB == 1) {
6778 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
6779 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
6780 if(canAdjudicate && appData.checkMates) {
6782 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
6783 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6784 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6785 "Xboard adjudication: Bare king", GE_XBOARD );
6789 if( gameInfo.variant == VariantShatranj && --bare < 0)
6791 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
6792 if(canAdjudicate && appData.checkMates) {
6793 /* but only adjudicate if adjudication enabled */
6795 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6796 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6797 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
6798 "Xboard adjudication: Bare king", GE_XBOARD );
6805 // don't wait for engine to announce game end if we can judge ourselves
6806 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
6808 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
6809 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
6810 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
6811 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
6814 reason = "Xboard adjudication: 3rd check";
6815 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
6825 reason = "Xboard adjudication: Stalemate";
6826 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
6827 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
6828 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
6829 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
6830 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
6831 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
6832 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
6833 EP_CHECKMATE : EP_WINS);
6834 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
6835 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
6839 reason = "Xboard adjudication: Checkmate";
6840 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
6844 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
6846 result = GameIsDrawn; break;
6848 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
6850 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
6854 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
6856 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6857 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6858 GameEnds( result, reason, GE_XBOARD );
6862 /* Next absolutely insufficient mating material. */
6863 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
6864 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
6865 { /* includes KBK, KNK, KK of KBKB with like Bishops */
6867 /* always flag draws, for judging claims */
6868 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
6870 if(canAdjudicate && appData.materialDraws) {
6871 /* but only adjudicate them if adjudication enabled */
6872 if(engineOpponent) {
6873 SendToProgram("force\n", engineOpponent); // suppress reply
6874 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
6876 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6877 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
6882 /* Then some trivial draws (only adjudicate, cannot be claimed) */
6883 if(gameInfo.variant == VariantXiangqi ?
6884 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
6886 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
6887 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
6888 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
6889 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
6891 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
6892 { /* if the first 3 moves do not show a tactical win, declare draw */
6893 if(engineOpponent) {
6894 SendToProgram("force\n", engineOpponent); // suppress reply
6895 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6897 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6898 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
6901 } else moveCount = 6;
6903 if (appData.debugMode) { int i;
6904 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
6905 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
6906 appData.drawRepeats);
6907 for( i=forwardMostMove; i>=backwardMostMove; i-- )
6908 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
6912 // Repetition draws and 50-move rule can be applied independently of legality testing
6914 /* Check for rep-draws */
6916 for(k = forwardMostMove-2;
6917 k>=backwardMostMove && k>=forwardMostMove-100 &&
6918 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
6919 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
6922 if(CompareBoards(boards[k], boards[forwardMostMove])) {
6923 /* compare castling rights */
6924 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
6925 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
6926 rights++; /* King lost rights, while rook still had them */
6927 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
6928 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
6929 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
6930 rights++; /* but at least one rook lost them */
6932 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
6933 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
6935 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
6936 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
6937 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
6940 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
6941 && appData.drawRepeats > 1) {
6942 /* adjudicate after user-specified nr of repeats */
6943 int result = GameIsDrawn;
6944 char *details = "XBoard adjudication: repetition draw";
6945 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
6946 // [HGM] xiangqi: check for forbidden perpetuals
6947 int m, ourPerpetual = 1, hisPerpetual = 1;
6948 for(m=forwardMostMove; m>k; m-=2) {
6949 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
6950 ourPerpetual = 0; // the current mover did not always check
6951 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
6952 hisPerpetual = 0; // the opponent did not always check
6954 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
6955 ourPerpetual, hisPerpetual);
6956 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
6957 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
6958 details = "Xboard adjudication: perpetual checking";
6960 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
6961 break; // (or we would have caught him before). Abort repetition-checking loop.
6963 // Now check for perpetual chases
6964 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
6965 hisPerpetual = PerpetualChase(k, forwardMostMove);
6966 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
6967 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
6968 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
6969 details = "Xboard adjudication: perpetual chasing";
6971 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
6972 break; // Abort repetition-checking loop.
6974 // if neither of us is checking or chasing all the time, or both are, it is draw
6976 if(engineOpponent) {
6977 SendToProgram("force\n", engineOpponent); // suppress reply
6978 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6980 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6981 GameEnds( result, details, GE_XBOARD );
6984 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
6985 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
6989 /* Now we test for 50-move draws. Determine ply count */
6990 count = forwardMostMove;
6991 /* look for last irreversble move */
6992 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
6994 /* if we hit starting position, add initial plies */
6995 if( count == backwardMostMove )
6996 count -= initialRulePlies;
6997 count = forwardMostMove - count;
6998 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
6999 // adjust reversible move counter for checks in Xiangqi
7000 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7001 if(i < backwardMostMove) i = backwardMostMove;
7002 while(i <= forwardMostMove) {
7003 lastCheck = inCheck; // check evasion does not count
7004 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7005 if(inCheck || lastCheck) count--; // check does not count
7010 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7011 /* this is used to judge if draw claims are legal */
7012 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7013 if(engineOpponent) {
7014 SendToProgram("force\n", engineOpponent); // suppress reply
7015 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7017 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7018 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7022 /* if draw offer is pending, treat it as a draw claim
7023 * when draw condition present, to allow engines a way to
7024 * claim draws before making their move to avoid a race
7025 * condition occurring after their move
7027 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7029 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7030 p = "Draw claim: 50-move rule";
7031 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7032 p = "Draw claim: 3-fold repetition";
7033 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7034 p = "Draw claim: insufficient mating material";
7035 if( p != NULL && canAdjudicate) {
7036 if(engineOpponent) {
7037 SendToProgram("force\n", engineOpponent); // suppress reply
7038 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7040 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7041 GameEnds( GameIsDrawn, p, GE_XBOARD );
7046 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7047 if(engineOpponent) {
7048 SendToProgram("force\n", engineOpponent); // suppress reply
7049 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7051 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7052 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7058 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
7059 { // [HGM] book: this routine intercepts moves to simulate book replies
7060 char *bookHit = NULL;
7062 //first determine if the incoming move brings opponent into his book
7063 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7064 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7065 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7066 if(bookHit != NULL && !cps->bookSuspend) {
7067 // make sure opponent is not going to reply after receiving move to book position
7068 SendToProgram("force\n", cps);
7069 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7071 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7072 // now arrange restart after book miss
7074 // after a book hit we never send 'go', and the code after the call to this routine
7075 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7077 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), bookHit); // force book move into program supposed to play it
7078 SendToProgram(buf, cps);
7079 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7080 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7081 SendToProgram("go\n", cps);
7082 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7083 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7084 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7085 SendToProgram("go\n", cps);
7086 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7088 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7092 ChessProgramState *savedState;
7093 void DeferredBookMove(void)
7095 if(savedState->lastPing != savedState->lastPong)
7096 ScheduleDelayedEvent(DeferredBookMove, 10);
7098 HandleMachineMove(savedMessage, savedState);
7102 HandleMachineMove(message, cps)
7104 ChessProgramState *cps;
7106 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7107 char realname[MSG_SIZ];
7108 int fromX, fromY, toX, toY;
7117 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7119 * Kludge to ignore BEL characters
7121 while (*message == '\007') message++;
7124 * [HGM] engine debug message: ignore lines starting with '#' character
7126 if(cps->debug && *message == '#') return;
7129 * Look for book output
7131 if (cps == &first && bookRequested) {
7132 if (message[0] == '\t' || message[0] == ' ') {
7133 /* Part of the book output is here; append it */
7134 strcat(bookOutput, message);
7135 strcat(bookOutput, " \n");
7137 } else if (bookOutput[0] != NULLCHAR) {
7138 /* All of book output has arrived; display it */
7139 char *p = bookOutput;
7140 while (*p != NULLCHAR) {
7141 if (*p == '\t') *p = ' ';
7144 DisplayInformation(bookOutput);
7145 bookRequested = FALSE;
7146 /* Fall through to parse the current output */
7151 * Look for machine move.
7153 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7154 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7156 /* This method is only useful on engines that support ping */
7157 if (cps->lastPing != cps->lastPong) {
7158 if (gameMode == BeginningOfGame) {
7159 /* Extra move from before last new; ignore */
7160 if (appData.debugMode) {
7161 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7164 if (appData.debugMode) {
7165 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7166 cps->which, gameMode);
7169 SendToProgram("undo\n", cps);
7175 case BeginningOfGame:
7176 /* Extra move from before last reset; ignore */
7177 if (appData.debugMode) {
7178 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7185 /* Extra move after we tried to stop. The mode test is
7186 not a reliable way of detecting this problem, but it's
7187 the best we can do on engines that don't support ping.
7189 if (appData.debugMode) {
7190 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7191 cps->which, gameMode);
7193 SendToProgram("undo\n", cps);
7196 case MachinePlaysWhite:
7197 case IcsPlayingWhite:
7198 machineWhite = TRUE;
7201 case MachinePlaysBlack:
7202 case IcsPlayingBlack:
7203 machineWhite = FALSE;
7206 case TwoMachinesPlay:
7207 machineWhite = (cps->twoMachinesColor[0] == 'w');
7210 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7211 if (appData.debugMode) {
7213 "Ignoring move out of turn by %s, gameMode %d"
7214 ", forwardMost %d\n",
7215 cps->which, gameMode, forwardMostMove);
7220 if (appData.debugMode) { int f = forwardMostMove;
7221 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7222 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7223 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7225 if(cps->alphaRank) AlphaRank(machineMove, 4);
7226 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7227 &fromX, &fromY, &toX, &toY, &promoChar)) {
7228 /* Machine move could not be parsed; ignore it. */
7229 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7230 machineMove, cps->which);
7231 DisplayError(buf1, 0);
7232 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7233 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7234 if (gameMode == TwoMachinesPlay) {
7235 GameEnds(machineWhite ? BlackWins : WhiteWins,
7241 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7242 /* So we have to redo legality test with true e.p. status here, */
7243 /* to make sure an illegal e.p. capture does not slip through, */
7244 /* to cause a forfeit on a justified illegal-move complaint */
7245 /* of the opponent. */
7246 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7248 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7249 fromY, fromX, toY, toX, promoChar);
7250 if (appData.debugMode) {
7252 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7253 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7254 fprintf(debugFP, "castling rights\n");
7256 if(moveType == IllegalMove) {
7257 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7258 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7259 GameEnds(machineWhite ? BlackWins : WhiteWins,
7262 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7263 /* [HGM] Kludge to handle engines that send FRC-style castling
7264 when they shouldn't (like TSCP-Gothic) */
7266 case WhiteASideCastleFR:
7267 case BlackASideCastleFR:
7269 currentMoveString[2]++;
7271 case WhiteHSideCastleFR:
7272 case BlackHSideCastleFR:
7274 currentMoveString[2]--;
7276 default: ; // nothing to do, but suppresses warning of pedantic compilers
7279 hintRequested = FALSE;
7280 lastHint[0] = NULLCHAR;
7281 bookRequested = FALSE;
7282 /* Program may be pondering now */
7283 cps->maybeThinking = TRUE;
7284 if (cps->sendTime == 2) cps->sendTime = 1;
7285 if (cps->offeredDraw) cps->offeredDraw--;
7287 /* currentMoveString is set as a side-effect of ParseOneMove */
7288 safeStrCpy(machineMove, currentMoveString, sizeof(machineMove)/sizeof(machineMove[0]));
7289 strcat(machineMove, "\n");
7290 safeStrCpy(moveList[forwardMostMove], machineMove, sizeof(moveList[forwardMostMove])/sizeof(moveList[forwardMostMove][0]));
7292 /* [AS] Save move info*/
7293 pvInfoList[ forwardMostMove ].score = programStats.score;
7294 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7295 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7297 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7299 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7300 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7303 while( count < adjudicateLossPlies ) {
7304 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7307 score = -score; /* Flip score for winning side */
7310 if( score > adjudicateLossThreshold ) {
7317 if( count >= adjudicateLossPlies ) {
7318 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7320 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7321 "Xboard adjudication",
7328 if(Adjudicate(cps)) return; // [HGM] adjudicate: for all automatic game ends
7331 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7333 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7334 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7336 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7338 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7340 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
7341 char buf[3*MSG_SIZ];
7343 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
7344 programStats.score / 100.,
7346 programStats.time / 100.,
7347 (unsigned int)programStats.nodes,
7348 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
7349 programStats.movelist);
7351 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
7356 /* [AS] Clear stats for next move */
7357 ClearProgramStats();
7358 thinkOutput[0] = NULLCHAR;
7359 hiddenThinkOutputState = 0;
7362 if (gameMode == TwoMachinesPlay) {
7363 /* [HGM] relaying draw offers moved to after reception of move */
7364 /* and interpreting offer as claim if it brings draw condition */
7365 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
7366 SendToProgram("draw\n", cps->other);
7368 if (cps->other->sendTime) {
7369 SendTimeRemaining(cps->other,
7370 cps->other->twoMachinesColor[0] == 'w');
7372 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
7373 if (firstMove && !bookHit) {
7375 if (cps->other->useColors) {
7376 SendToProgram(cps->other->twoMachinesColor, cps->other);
7378 SendToProgram("go\n", cps->other);
7380 cps->other->maybeThinking = TRUE;
7383 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7385 if (!pausing && appData.ringBellAfterMoves) {
7390 * Reenable menu items that were disabled while
7391 * machine was thinking
7393 if (gameMode != TwoMachinesPlay)
7394 SetUserThinkingEnables();
7396 // [HGM] book: after book hit opponent has received move and is now in force mode
7397 // force the book reply into it, and then fake that it outputted this move by jumping
7398 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
7400 static char bookMove[MSG_SIZ]; // a bit generous?
7402 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7403 strcat(bookMove, bookHit);
7406 programStats.nodes = programStats.depth = programStats.time =
7407 programStats.score = programStats.got_only_move = 0;
7408 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7410 if(cps->lastPing != cps->lastPong) {
7411 savedMessage = message; // args for deferred call
7413 ScheduleDelayedEvent(DeferredBookMove, 10);
7422 /* Set special modes for chess engines. Later something general
7423 * could be added here; for now there is just one kludge feature,
7424 * needed because Crafty 15.10 and earlier don't ignore SIGINT
7425 * when "xboard" is given as an interactive command.
7427 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
7428 cps->useSigint = FALSE;
7429 cps->useSigterm = FALSE;
7431 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
7432 ParseFeatures(message+8, cps);
7433 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
7436 /* [HGM] Allow engine to set up a position. Don't ask me why one would
7437 * want this, I was asked to put it in, and obliged.
7439 if (!strncmp(message, "setboard ", 9)) {
7440 Board initial_position;
7442 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
7444 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
7445 DisplayError(_("Bad FEN received from engine"), 0);
7449 CopyBoard(boards[0], initial_position);
7450 initialRulePlies = FENrulePlies;
7451 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
7452 else gameMode = MachinePlaysBlack;
7453 DrawPosition(FALSE, boards[currentMove]);
7459 * Look for communication commands
7461 if (!strncmp(message, "telluser ", 9)) {
7462 EscapeExpand(message+9, message+9); // [HGM] esc: allow escape sequences in popup box
7463 DisplayNote(message + 9);
7466 if (!strncmp(message, "tellusererror ", 14)) {
7468 EscapeExpand(message+14, message+14); // [HGM] esc: allow escape sequences in popup box
7469 DisplayError(message + 14, 0);
7472 if (!strncmp(message, "tellopponent ", 13)) {
7473 if (appData.icsActive) {
7475 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
7479 DisplayNote(message + 13);
7483 if (!strncmp(message, "tellothers ", 11)) {
7484 if (appData.icsActive) {
7486 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
7492 if (!strncmp(message, "tellall ", 8)) {
7493 if (appData.icsActive) {
7495 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
7499 DisplayNote(message + 8);
7503 if (strncmp(message, "warning", 7) == 0) {
7504 /* Undocumented feature, use tellusererror in new code */
7505 DisplayError(message, 0);
7508 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
7509 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
7510 strcat(realname, " query");
7511 AskQuestion(realname, buf2, buf1, cps->pr);
7514 /* Commands from the engine directly to ICS. We don't allow these to be
7515 * sent until we are logged on. Crafty kibitzes have been known to
7516 * interfere with the login process.
7519 if (!strncmp(message, "tellics ", 8)) {
7520 SendToICS(message + 8);
7524 if (!strncmp(message, "tellicsnoalias ", 15)) {
7525 SendToICS(ics_prefix);
7526 SendToICS(message + 15);
7530 /* The following are for backward compatibility only */
7531 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
7532 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
7533 SendToICS(ics_prefix);
7539 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
7543 * If the move is illegal, cancel it and redraw the board.
7544 * Also deal with other error cases. Matching is rather loose
7545 * here to accommodate engines written before the spec.
7547 if (strncmp(message + 1, "llegal move", 11) == 0 ||
7548 strncmp(message, "Error", 5) == 0) {
7549 if (StrStr(message, "name") ||
7550 StrStr(message, "rating") || StrStr(message, "?") ||
7551 StrStr(message, "result") || StrStr(message, "board") ||
7552 StrStr(message, "bk") || StrStr(message, "computer") ||
7553 StrStr(message, "variant") || StrStr(message, "hint") ||
7554 StrStr(message, "random") || StrStr(message, "depth") ||
7555 StrStr(message, "accepted")) {
7558 if (StrStr(message, "protover")) {
7559 /* Program is responding to input, so it's apparently done
7560 initializing, and this error message indicates it is
7561 protocol version 1. So we don't need to wait any longer
7562 for it to initialize and send feature commands. */
7563 FeatureDone(cps, 1);
7564 cps->protocolVersion = 1;
7567 cps->maybeThinking = FALSE;
7569 if (StrStr(message, "draw")) {
7570 /* Program doesn't have "draw" command */
7571 cps->sendDrawOffers = 0;
7574 if (cps->sendTime != 1 &&
7575 (StrStr(message, "time") || StrStr(message, "otim"))) {
7576 /* Program apparently doesn't have "time" or "otim" command */
7580 if (StrStr(message, "analyze")) {
7581 cps->analysisSupport = FALSE;
7582 cps->analyzing = FALSE;
7584 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
7585 DisplayError(buf2, 0);
7588 if (StrStr(message, "(no matching move)st")) {
7589 /* Special kludge for GNU Chess 4 only */
7590 cps->stKludge = TRUE;
7591 SendTimeControl(cps, movesPerSession, timeControl,
7592 timeIncrement, appData.searchDepth,
7596 if (StrStr(message, "(no matching move)sd")) {
7597 /* Special kludge for GNU Chess 4 only */
7598 cps->sdKludge = TRUE;
7599 SendTimeControl(cps, movesPerSession, timeControl,
7600 timeIncrement, appData.searchDepth,
7604 if (!StrStr(message, "llegal")) {
7607 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7608 gameMode == IcsIdle) return;
7609 if (forwardMostMove <= backwardMostMove) return;
7610 if (pausing) PauseEvent();
7611 if(appData.forceIllegal) {
7612 // [HGM] illegal: machine refused move; force position after move into it
7613 SendToProgram("force\n", cps);
7614 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
7615 // we have a real problem now, as SendBoard will use the a2a3 kludge
7616 // when black is to move, while there might be nothing on a2 or black
7617 // might already have the move. So send the board as if white has the move.
7618 // But first we must change the stm of the engine, as it refused the last move
7619 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
7620 if(WhiteOnMove(forwardMostMove)) {
7621 SendToProgram("a7a6\n", cps); // for the engine black still had the move
7622 SendBoard(cps, forwardMostMove); // kludgeless board
7624 SendToProgram("a2a3\n", cps); // for the engine white still had the move
7625 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7626 SendBoard(cps, forwardMostMove+1); // kludgeless board
7628 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
7629 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
7630 gameMode == TwoMachinesPlay)
7631 SendToProgram("go\n", cps);
7634 if (gameMode == PlayFromGameFile) {
7635 /* Stop reading this game file */
7636 gameMode = EditGame;
7639 currentMove = forwardMostMove-1;
7640 DisplayMove(currentMove-1); /* before DisplayMoveError */
7641 SwitchClocks(forwardMostMove-1); // [HGM] race
7642 DisplayBothClocks();
7643 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
7644 parseList[currentMove], cps->which);
7645 DisplayMoveError(buf1);
7646 DrawPosition(FALSE, boards[currentMove]);
7648 /* [HGM] illegal-move claim should forfeit game when Xboard */
7649 /* only passes fully legal moves */
7650 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
7651 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
7652 "False illegal-move claim", GE_XBOARD );
7656 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
7657 /* Program has a broken "time" command that
7658 outputs a string not ending in newline.
7664 * If chess program startup fails, exit with an error message.
7665 * Attempts to recover here are futile.
7667 if ((StrStr(message, "unknown host") != NULL)
7668 || (StrStr(message, "No remote directory") != NULL)
7669 || (StrStr(message, "not found") != NULL)
7670 || (StrStr(message, "No such file") != NULL)
7671 || (StrStr(message, "can't alloc") != NULL)
7672 || (StrStr(message, "Permission denied") != NULL)) {
7674 cps->maybeThinking = FALSE;
7675 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
7676 cps->which, cps->program, cps->host, message);
7677 RemoveInputSource(cps->isr);
7678 DisplayFatalError(buf1, 0, 1);
7683 * Look for hint output
7685 if (sscanf(message, "Hint: %s", buf1) == 1) {
7686 if (cps == &first && hintRequested) {
7687 hintRequested = FALSE;
7688 if (ParseOneMove(buf1, forwardMostMove, &moveType,
7689 &fromX, &fromY, &toX, &toY, &promoChar)) {
7690 (void) CoordsToAlgebraic(boards[forwardMostMove],
7691 PosFlags(forwardMostMove),
7692 fromY, fromX, toY, toX, promoChar, buf1);
7693 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
7694 DisplayInformation(buf2);
7696 /* Hint move could not be parsed!? */
7697 snprintf(buf2, sizeof(buf2),
7698 _("Illegal hint move \"%s\"\nfrom %s chess program"),
7700 DisplayError(buf2, 0);
7703 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
7709 * Ignore other messages if game is not in progress
7711 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7712 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
7715 * look for win, lose, draw, or draw offer
7717 if (strncmp(message, "1-0", 3) == 0) {
7718 char *p, *q, *r = "";
7719 p = strchr(message, '{');
7727 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
7729 } else if (strncmp(message, "0-1", 3) == 0) {
7730 char *p, *q, *r = "";
7731 p = strchr(message, '{');
7739 /* Kludge for Arasan 4.1 bug */
7740 if (strcmp(r, "Black resigns") == 0) {
7741 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
7744 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
7746 } else if (strncmp(message, "1/2", 3) == 0) {
7747 char *p, *q, *r = "";
7748 p = strchr(message, '{');
7757 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
7760 } else if (strncmp(message, "White resign", 12) == 0) {
7761 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7763 } else if (strncmp(message, "Black resign", 12) == 0) {
7764 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7766 } else if (strncmp(message, "White matches", 13) == 0 ||
7767 strncmp(message, "Black matches", 13) == 0 ) {
7768 /* [HGM] ignore GNUShogi noises */
7770 } else if (strncmp(message, "White", 5) == 0 &&
7771 message[5] != '(' &&
7772 StrStr(message, "Black") == NULL) {
7773 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7775 } else if (strncmp(message, "Black", 5) == 0 &&
7776 message[5] != '(') {
7777 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7779 } else if (strcmp(message, "resign") == 0 ||
7780 strcmp(message, "computer resigns") == 0) {
7782 case MachinePlaysBlack:
7783 case IcsPlayingBlack:
7784 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
7786 case MachinePlaysWhite:
7787 case IcsPlayingWhite:
7788 GameEnds(BlackWins, "White resigns", GE_ENGINE);
7790 case TwoMachinesPlay:
7791 if (cps->twoMachinesColor[0] == 'w')
7792 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7794 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7801 } else if (strncmp(message, "opponent mates", 14) == 0) {
7803 case MachinePlaysBlack:
7804 case IcsPlayingBlack:
7805 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7807 case MachinePlaysWhite:
7808 case IcsPlayingWhite:
7809 GameEnds(BlackWins, "Black mates", GE_ENGINE);
7811 case TwoMachinesPlay:
7812 if (cps->twoMachinesColor[0] == 'w')
7813 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7815 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7822 } else if (strncmp(message, "computer mates", 14) == 0) {
7824 case MachinePlaysBlack:
7825 case IcsPlayingBlack:
7826 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
7828 case MachinePlaysWhite:
7829 case IcsPlayingWhite:
7830 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7832 case TwoMachinesPlay:
7833 if (cps->twoMachinesColor[0] == 'w')
7834 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7836 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7843 } else if (strncmp(message, "checkmate", 9) == 0) {
7844 if (WhiteOnMove(forwardMostMove)) {
7845 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7847 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7850 } else if (strstr(message, "Draw") != NULL ||
7851 strstr(message, "game is a draw") != NULL) {
7852 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
7854 } else if (strstr(message, "offer") != NULL &&
7855 strstr(message, "draw") != NULL) {
7857 if (appData.zippyPlay && first.initDone) {
7858 /* Relay offer to ICS */
7859 SendToICS(ics_prefix);
7860 SendToICS("draw\n");
7863 cps->offeredDraw = 2; /* valid until this engine moves twice */
7864 if (gameMode == TwoMachinesPlay) {
7865 if (cps->other->offeredDraw) {
7866 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7867 /* [HGM] in two-machine mode we delay relaying draw offer */
7868 /* until after we also have move, to see if it is really claim */
7870 } else if (gameMode == MachinePlaysWhite ||
7871 gameMode == MachinePlaysBlack) {
7872 if (userOfferedDraw) {
7873 DisplayInformation(_("Machine accepts your draw offer"));
7874 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7876 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
7883 * Look for thinking output
7885 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
7886 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7888 int plylev, mvleft, mvtot, curscore, time;
7889 char mvname[MOVE_LEN];
7893 int prefixHint = FALSE;
7894 mvname[0] = NULLCHAR;
7897 case MachinePlaysBlack:
7898 case IcsPlayingBlack:
7899 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7901 case MachinePlaysWhite:
7902 case IcsPlayingWhite:
7903 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7908 case IcsObserving: /* [DM] icsEngineAnalyze */
7909 if (!appData.icsEngineAnalyze) ignore = TRUE;
7911 case TwoMachinesPlay:
7912 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
7922 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
7924 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7925 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
7927 if (plyext != ' ' && plyext != '\t') {
7931 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7932 if( cps->scoreIsAbsolute &&
7933 ( gameMode == MachinePlaysBlack ||
7934 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
7935 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
7936 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
7937 !WhiteOnMove(currentMove)
7940 curscore = -curscore;
7944 tempStats.depth = plylev;
7945 tempStats.nodes = nodes;
7946 tempStats.time = time;
7947 tempStats.score = curscore;
7948 tempStats.got_only_move = 0;
7950 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
7953 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
7954 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
7955 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
7956 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
7957 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
7958 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
7959 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
7960 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
7963 /* Buffer overflow protection */
7964 if (buf1[0] != NULLCHAR) {
7965 if (strlen(buf1) >= sizeof(tempStats.movelist)
7966 && appData.debugMode) {
7968 "PV is too long; using the first %u bytes.\n",
7969 (unsigned) sizeof(tempStats.movelist) - 1);
7972 safeStrCpy( tempStats.movelist, buf1, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
7974 sprintf(tempStats.movelist, " no PV\n");
7977 if (tempStats.seen_stat) {
7978 tempStats.ok_to_send = 1;
7981 if (strchr(tempStats.movelist, '(') != NULL) {
7982 tempStats.line_is_book = 1;
7983 tempStats.nr_moves = 0;
7984 tempStats.moves_left = 0;
7986 tempStats.line_is_book = 0;
7989 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
7990 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
7992 SendProgramStatsToFrontend( cps, &tempStats );
7995 [AS] Protect the thinkOutput buffer from overflow... this
7996 is only useful if buf1 hasn't overflowed first!
7998 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8000 (gameMode == TwoMachinesPlay ?
8001 ToUpper(cps->twoMachinesColor[0]) : ' '),
8002 ((double) curscore) / 100.0,
8003 prefixHint ? lastHint : "",
8004 prefixHint ? " " : "" );
8006 if( buf1[0] != NULLCHAR ) {
8007 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8009 if( strlen(buf1) > max_len ) {
8010 if( appData.debugMode) {
8011 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8013 buf1[max_len+1] = '\0';
8016 strcat( thinkOutput, buf1 );
8019 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8020 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8021 DisplayMove(currentMove - 1);
8025 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8026 /* crafty (9.25+) says "(only move) <move>"
8027 * if there is only 1 legal move
8029 sscanf(p, "(only move) %s", buf1);
8030 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8031 sprintf(programStats.movelist, "%s (only move)", buf1);
8032 programStats.depth = 1;
8033 programStats.nr_moves = 1;
8034 programStats.moves_left = 1;
8035 programStats.nodes = 1;
8036 programStats.time = 1;
8037 programStats.got_only_move = 1;
8039 /* Not really, but we also use this member to
8040 mean "line isn't going to change" (Crafty
8041 isn't searching, so stats won't change) */
8042 programStats.line_is_book = 1;
8044 SendProgramStatsToFrontend( cps, &programStats );
8046 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8047 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8048 DisplayMove(currentMove - 1);
8051 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8052 &time, &nodes, &plylev, &mvleft,
8053 &mvtot, mvname) >= 5) {
8054 /* The stat01: line is from Crafty (9.29+) in response
8055 to the "." command */
8056 programStats.seen_stat = 1;
8057 cps->maybeThinking = TRUE;
8059 if (programStats.got_only_move || !appData.periodicUpdates)
8062 programStats.depth = plylev;
8063 programStats.time = time;
8064 programStats.nodes = nodes;
8065 programStats.moves_left = mvleft;
8066 programStats.nr_moves = mvtot;
8067 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8068 programStats.ok_to_send = 1;
8069 programStats.movelist[0] = '\0';
8071 SendProgramStatsToFrontend( cps, &programStats );
8075 } else if (strncmp(message,"++",2) == 0) {
8076 /* Crafty 9.29+ outputs this */
8077 programStats.got_fail = 2;
8080 } else if (strncmp(message,"--",2) == 0) {
8081 /* Crafty 9.29+ outputs this */
8082 programStats.got_fail = 1;
8085 } else if (thinkOutput[0] != NULLCHAR &&
8086 strncmp(message, " ", 4) == 0) {
8087 unsigned message_len;
8090 while (*p && *p == ' ') p++;
8092 message_len = strlen( p );
8094 /* [AS] Avoid buffer overflow */
8095 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8096 strcat(thinkOutput, " ");
8097 strcat(thinkOutput, p);
8100 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8101 strcat(programStats.movelist, " ");
8102 strcat(programStats.movelist, p);
8105 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8106 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8107 DisplayMove(currentMove - 1);
8115 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8116 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8118 ChessProgramStats cpstats;
8120 if (plyext != ' ' && plyext != '\t') {
8124 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8125 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8126 curscore = -curscore;
8129 cpstats.depth = plylev;
8130 cpstats.nodes = nodes;
8131 cpstats.time = time;
8132 cpstats.score = curscore;
8133 cpstats.got_only_move = 0;
8134 cpstats.movelist[0] = '\0';
8136 if (buf1[0] != NULLCHAR) {
8137 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8140 cpstats.ok_to_send = 0;
8141 cpstats.line_is_book = 0;
8142 cpstats.nr_moves = 0;
8143 cpstats.moves_left = 0;
8145 SendProgramStatsToFrontend( cps, &cpstats );
8152 /* Parse a game score from the character string "game", and
8153 record it as the history of the current game. The game
8154 score is NOT assumed to start from the standard position.
8155 The display is not updated in any way.
8158 ParseGameHistory(game)
8162 int fromX, fromY, toX, toY, boardIndex;
8167 if (appData.debugMode)
8168 fprintf(debugFP, "Parsing game history: %s\n", game);
8170 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8171 gameInfo.site = StrSave(appData.icsHost);
8172 gameInfo.date = PGNDate();
8173 gameInfo.round = StrSave("-");
8175 /* Parse out names of players */
8176 while (*game == ' ') game++;
8178 while (*game != ' ') *p++ = *game++;
8180 gameInfo.white = StrSave(buf);
8181 while (*game == ' ') game++;
8183 while (*game != ' ' && *game != '\n') *p++ = *game++;
8185 gameInfo.black = StrSave(buf);
8188 boardIndex = blackPlaysFirst ? 1 : 0;
8191 yyboardindex = boardIndex;
8192 moveType = (ChessMove) yylex();
8194 case IllegalMove: /* maybe suicide chess, etc. */
8195 if (appData.debugMode) {
8196 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8197 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8198 setbuf(debugFP, NULL);
8200 case WhitePromotion:
8201 case BlackPromotion:
8202 case WhiteNonPromotion:
8203 case BlackNonPromotion:
8205 case WhiteCapturesEnPassant:
8206 case BlackCapturesEnPassant:
8207 case WhiteKingSideCastle:
8208 case WhiteQueenSideCastle:
8209 case BlackKingSideCastle:
8210 case BlackQueenSideCastle:
8211 case WhiteKingSideCastleWild:
8212 case WhiteQueenSideCastleWild:
8213 case BlackKingSideCastleWild:
8214 case BlackQueenSideCastleWild:
8216 case WhiteHSideCastleFR:
8217 case WhiteASideCastleFR:
8218 case BlackHSideCastleFR:
8219 case BlackASideCastleFR:
8221 fromX = currentMoveString[0] - AAA;
8222 fromY = currentMoveString[1] - ONE;
8223 toX = currentMoveString[2] - AAA;
8224 toY = currentMoveString[3] - ONE;
8225 promoChar = currentMoveString[4];
8229 fromX = moveType == WhiteDrop ?
8230 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8231 (int) CharToPiece(ToLower(currentMoveString[0]));
8233 toX = currentMoveString[2] - AAA;
8234 toY = currentMoveString[3] - ONE;
8235 promoChar = NULLCHAR;
8239 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8240 if (appData.debugMode) {
8241 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8242 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8243 setbuf(debugFP, NULL);
8245 DisplayError(buf, 0);
8247 case ImpossibleMove:
8249 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8250 if (appData.debugMode) {
8251 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8252 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8253 setbuf(debugFP, NULL);
8255 DisplayError(buf, 0);
8258 if (boardIndex < backwardMostMove) {
8259 /* Oops, gap. How did that happen? */
8260 DisplayError(_("Gap in move list"), 0);
8263 backwardMostMove = blackPlaysFirst ? 1 : 0;
8264 if (boardIndex > forwardMostMove) {
8265 forwardMostMove = boardIndex;
8269 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8270 strcat(parseList[boardIndex-1], " ");
8271 strcat(parseList[boardIndex-1], yy_text);
8283 case GameUnfinished:
8284 if (gameMode == IcsExamining) {
8285 if (boardIndex < backwardMostMove) {
8286 /* Oops, gap. How did that happen? */
8289 backwardMostMove = blackPlaysFirst ? 1 : 0;
8292 gameInfo.result = moveType;
8293 p = strchr(yy_text, '{');
8294 if (p == NULL) p = strchr(yy_text, '(');
8297 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8299 q = strchr(p, *p == '{' ? '}' : ')');
8300 if (q != NULL) *q = NULLCHAR;
8303 gameInfo.resultDetails = StrSave(p);
8306 if (boardIndex >= forwardMostMove &&
8307 !(gameMode == IcsObserving && ics_gamenum == -1)) {
8308 backwardMostMove = blackPlaysFirst ? 1 : 0;
8311 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
8312 fromY, fromX, toY, toX, promoChar,
8313 parseList[boardIndex]);
8314 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
8315 /* currentMoveString is set as a side-effect of yylex */
8316 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
8317 strcat(moveList[boardIndex], "\n");
8319 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
8320 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
8326 if(gameInfo.variant != VariantShogi)
8327 strcat(parseList[boardIndex - 1], "+");
8331 strcat(parseList[boardIndex - 1], "#");
8338 /* Apply a move to the given board */
8340 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
8341 int fromX, fromY, toX, toY;
8345 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
8346 int promoRank = gameInfo.variant == VariantMakruk ? 3 : 1;
8348 /* [HGM] compute & store e.p. status and castling rights for new position */
8349 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
8351 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
8352 oldEP = (signed char)board[EP_STATUS];
8353 board[EP_STATUS] = EP_NONE;
8355 if( board[toY][toX] != EmptySquare )
8356 board[EP_STATUS] = EP_CAPTURE;
8358 /* [HGM] In Shatranj and Courier all promotions are to Ferz */
8359 if((gameInfo.variant==VariantShatranj || gameInfo.variant==VariantCourier || gameInfo.variant == VariantMakruk)
8360 && promoChar != 0) promoChar = PieceToChar(WhiteFerz);
8362 if (fromY == DROP_RANK) {
8364 piece = board[toY][toX] = (ChessSquare) fromX;
8368 if( board[fromY][fromX] == WhitePawn ) {
8369 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8370 board[EP_STATUS] = EP_PAWN_MOVE;
8372 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
8373 gameInfo.variant != VariantBerolina || toX < fromX)
8374 board[EP_STATUS] = toX | berolina;
8375 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
8376 gameInfo.variant != VariantBerolina || toX > fromX)
8377 board[EP_STATUS] = toX;
8380 if( board[fromY][fromX] == BlackPawn ) {
8381 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8382 board[EP_STATUS] = EP_PAWN_MOVE;
8383 if( toY-fromY== -2) {
8384 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
8385 gameInfo.variant != VariantBerolina || toX < fromX)
8386 board[EP_STATUS] = toX | berolina;
8387 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
8388 gameInfo.variant != VariantBerolina || toX > fromX)
8389 board[EP_STATUS] = toX;
8393 for(i=0; i<nrCastlingRights; i++) {
8394 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
8395 board[CASTLING][i] == toX && castlingRank[i] == toY
8396 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
8399 if (fromX == toX && fromY == toY) return;
8401 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
8402 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
8403 if(gameInfo.variant == VariantKnightmate)
8404 king += (int) WhiteUnicorn - (int) WhiteKing;
8406 /* Code added by Tord: */
8407 /* FRC castling assumed when king captures friendly rook. */
8408 if (board[fromY][fromX] == WhiteKing &&
8409 board[toY][toX] == WhiteRook) {
8410 board[fromY][fromX] = EmptySquare;
8411 board[toY][toX] = EmptySquare;
8413 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
8415 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
8417 } else if (board[fromY][fromX] == BlackKing &&
8418 board[toY][toX] == BlackRook) {
8419 board[fromY][fromX] = EmptySquare;
8420 board[toY][toX] = EmptySquare;
8422 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
8424 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
8426 /* End of code added by Tord */
8428 } else if (board[fromY][fromX] == king
8429 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8430 && toY == fromY && toX > fromX+1) {
8431 board[fromY][fromX] = EmptySquare;
8432 board[toY][toX] = king;
8433 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8434 board[fromY][BOARD_RGHT-1] = EmptySquare;
8435 } else if (board[fromY][fromX] == king
8436 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8437 && toY == fromY && toX < fromX-1) {
8438 board[fromY][fromX] = EmptySquare;
8439 board[toY][toX] = king;
8440 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8441 board[fromY][BOARD_LEFT] = EmptySquare;
8442 } else if (board[fromY][fromX] == WhitePawn
8443 && toY >= BOARD_HEIGHT-promoRank
8444 && gameInfo.variant != VariantXiangqi
8446 /* white pawn promotion */
8447 board[toY][toX] = CharToPiece(ToUpper(promoChar));
8448 if (board[toY][toX] == EmptySquare) {
8449 board[toY][toX] = WhiteQueen;
8451 if(gameInfo.variant==VariantBughouse ||
8452 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8453 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8454 board[fromY][fromX] = EmptySquare;
8455 } else if ((fromY == BOARD_HEIGHT-4)
8457 && gameInfo.variant != VariantXiangqi
8458 && gameInfo.variant != VariantBerolina
8459 && (board[fromY][fromX] == WhitePawn)
8460 && (board[toY][toX] == EmptySquare)) {
8461 board[fromY][fromX] = EmptySquare;
8462 board[toY][toX] = WhitePawn;
8463 captured = board[toY - 1][toX];
8464 board[toY - 1][toX] = EmptySquare;
8465 } else if ((fromY == BOARD_HEIGHT-4)
8467 && gameInfo.variant == VariantBerolina
8468 && (board[fromY][fromX] == WhitePawn)
8469 && (board[toY][toX] == EmptySquare)) {
8470 board[fromY][fromX] = EmptySquare;
8471 board[toY][toX] = WhitePawn;
8472 if(oldEP & EP_BEROLIN_A) {
8473 captured = board[fromY][fromX-1];
8474 board[fromY][fromX-1] = EmptySquare;
8475 }else{ captured = board[fromY][fromX+1];
8476 board[fromY][fromX+1] = EmptySquare;
8478 } else if (board[fromY][fromX] == king
8479 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8480 && toY == fromY && toX > fromX+1) {
8481 board[fromY][fromX] = EmptySquare;
8482 board[toY][toX] = king;
8483 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8484 board[fromY][BOARD_RGHT-1] = EmptySquare;
8485 } else if (board[fromY][fromX] == king
8486 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8487 && toY == fromY && toX < fromX-1) {
8488 board[fromY][fromX] = EmptySquare;
8489 board[toY][toX] = king;
8490 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8491 board[fromY][BOARD_LEFT] = EmptySquare;
8492 } else if (fromY == 7 && fromX == 3
8493 && board[fromY][fromX] == BlackKing
8494 && toY == 7 && toX == 5) {
8495 board[fromY][fromX] = EmptySquare;
8496 board[toY][toX] = BlackKing;
8497 board[fromY][7] = EmptySquare;
8498 board[toY][4] = BlackRook;
8499 } else if (fromY == 7 && fromX == 3
8500 && board[fromY][fromX] == BlackKing
8501 && toY == 7 && toX == 1) {
8502 board[fromY][fromX] = EmptySquare;
8503 board[toY][toX] = BlackKing;
8504 board[fromY][0] = EmptySquare;
8505 board[toY][2] = BlackRook;
8506 } else if (board[fromY][fromX] == BlackPawn
8508 && gameInfo.variant != VariantXiangqi
8510 /* black pawn promotion */
8511 board[toY][toX] = CharToPiece(ToLower(promoChar));
8512 if (board[toY][toX] == EmptySquare) {
8513 board[toY][toX] = BlackQueen;
8515 if(gameInfo.variant==VariantBughouse ||
8516 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8517 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8518 board[fromY][fromX] = EmptySquare;
8519 } else if ((fromY == 3)
8521 && gameInfo.variant != VariantXiangqi
8522 && gameInfo.variant != VariantBerolina
8523 && (board[fromY][fromX] == BlackPawn)
8524 && (board[toY][toX] == EmptySquare)) {
8525 board[fromY][fromX] = EmptySquare;
8526 board[toY][toX] = BlackPawn;
8527 captured = board[toY + 1][toX];
8528 board[toY + 1][toX] = EmptySquare;
8529 } else if ((fromY == 3)
8531 && gameInfo.variant == VariantBerolina
8532 && (board[fromY][fromX] == BlackPawn)
8533 && (board[toY][toX] == EmptySquare)) {
8534 board[fromY][fromX] = EmptySquare;
8535 board[toY][toX] = BlackPawn;
8536 if(oldEP & EP_BEROLIN_A) {
8537 captured = board[fromY][fromX-1];
8538 board[fromY][fromX-1] = EmptySquare;
8539 }else{ captured = board[fromY][fromX+1];
8540 board[fromY][fromX+1] = EmptySquare;
8543 board[toY][toX] = board[fromY][fromX];
8544 board[fromY][fromX] = EmptySquare;
8548 if (gameInfo.holdingsWidth != 0) {
8550 /* !!A lot more code needs to be written to support holdings */
8551 /* [HGM] OK, so I have written it. Holdings are stored in the */
8552 /* penultimate board files, so they are automaticlly stored */
8553 /* in the game history. */
8554 if (fromY == DROP_RANK) {
8555 /* Delete from holdings, by decreasing count */
8556 /* and erasing image if necessary */
8558 if(p < (int) BlackPawn) { /* white drop */
8559 p -= (int)WhitePawn;
8560 p = PieceToNumber((ChessSquare)p);
8561 if(p >= gameInfo.holdingsSize) p = 0;
8562 if(--board[p][BOARD_WIDTH-2] <= 0)
8563 board[p][BOARD_WIDTH-1] = EmptySquare;
8564 if((int)board[p][BOARD_WIDTH-2] < 0)
8565 board[p][BOARD_WIDTH-2] = 0;
8566 } else { /* black drop */
8567 p -= (int)BlackPawn;
8568 p = PieceToNumber((ChessSquare)p);
8569 if(p >= gameInfo.holdingsSize) p = 0;
8570 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
8571 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
8572 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
8573 board[BOARD_HEIGHT-1-p][1] = 0;
8576 if (captured != EmptySquare && gameInfo.holdingsSize > 0
8577 && gameInfo.variant != VariantBughouse ) {
8578 /* [HGM] holdings: Add to holdings, if holdings exist */
8579 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
8580 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
8581 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
8584 if (p >= (int) BlackPawn) {
8585 p -= (int)BlackPawn;
8586 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8587 /* in Shogi restore piece to its original first */
8588 captured = (ChessSquare) (DEMOTED captured);
8591 p = PieceToNumber((ChessSquare)p);
8592 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
8593 board[p][BOARD_WIDTH-2]++;
8594 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
8596 p -= (int)WhitePawn;
8597 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8598 captured = (ChessSquare) (DEMOTED captured);
8601 p = PieceToNumber((ChessSquare)p);
8602 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
8603 board[BOARD_HEIGHT-1-p][1]++;
8604 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
8607 } else if (gameInfo.variant == VariantAtomic) {
8608 if (captured != EmptySquare) {
8610 for (y = toY-1; y <= toY+1; y++) {
8611 for (x = toX-1; x <= toX+1; x++) {
8612 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
8613 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
8614 board[y][x] = EmptySquare;
8618 board[toY][toX] = EmptySquare;
8621 if(promoChar == '+') {
8622 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
8623 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8624 } else if(!appData.testLegality) { // without legality testing, unconditionally believe promoChar
8625 board[toY][toX] = CharToPiece(promoChar);
8627 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8628 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
8629 // [HGM] superchess: take promotion piece out of holdings
8630 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
8631 if((int)piece < (int)BlackPawn) { // determine stm from piece color
8632 if(!--board[k][BOARD_WIDTH-2])
8633 board[k][BOARD_WIDTH-1] = EmptySquare;
8635 if(!--board[BOARD_HEIGHT-1-k][1])
8636 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
8642 /* Updates forwardMostMove */
8644 MakeMove(fromX, fromY, toX, toY, promoChar)
8645 int fromX, fromY, toX, toY;
8648 // forwardMostMove++; // [HGM] bare: moved downstream
8650 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
8651 int timeLeft; static int lastLoadFlag=0; int king, piece;
8652 piece = boards[forwardMostMove][fromY][fromX];
8653 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
8654 if(gameInfo.variant == VariantKnightmate)
8655 king += (int) WhiteUnicorn - (int) WhiteKing;
8656 if(forwardMostMove == 0) {
8658 fprintf(serverMoves, "%s;", second.tidy);
8659 fprintf(serverMoves, "%s;", first.tidy);
8660 if(!blackPlaysFirst)
8661 fprintf(serverMoves, "%s;", second.tidy);
8662 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
8663 lastLoadFlag = loadFlag;
8665 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
8666 // print castling suffix
8667 if( toY == fromY && piece == king ) {
8669 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
8671 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
8674 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
8675 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
8676 boards[forwardMostMove][toY][toX] == EmptySquare
8677 && fromX != toX && fromY != toY)
8678 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
8680 if(promoChar != NULLCHAR)
8681 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
8683 fprintf(serverMoves, "/%d/%d",
8684 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
8685 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
8686 else timeLeft = blackTimeRemaining/1000;
8687 fprintf(serverMoves, "/%d", timeLeft);
8689 fflush(serverMoves);
8692 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
8693 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
8697 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
8698 if (commentList[forwardMostMove+1] != NULL) {
8699 free(commentList[forwardMostMove+1]);
8700 commentList[forwardMostMove+1] = NULL;
8702 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8703 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
8704 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
8705 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
8706 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
8707 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
8708 gameInfo.result = GameUnfinished;
8709 if (gameInfo.resultDetails != NULL) {
8710 free(gameInfo.resultDetails);
8711 gameInfo.resultDetails = NULL;
8713 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
8714 moveList[forwardMostMove - 1]);
8715 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
8716 PosFlags(forwardMostMove - 1),
8717 fromY, fromX, toY, toX, promoChar,
8718 parseList[forwardMostMove - 1]);
8719 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8725 if(gameInfo.variant != VariantShogi)
8726 strcat(parseList[forwardMostMove - 1], "+");
8730 strcat(parseList[forwardMostMove - 1], "#");
8733 if (appData.debugMode) {
8734 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
8739 /* Updates currentMove if not pausing */
8741 ShowMove(fromX, fromY, toX, toY)
8743 int instant = (gameMode == PlayFromGameFile) ?
8744 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
8745 if(appData.noGUI) return;
8746 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
8748 if (forwardMostMove == currentMove + 1) {
8749 AnimateMove(boards[forwardMostMove - 1],
8750 fromX, fromY, toX, toY);
8752 if (appData.highlightLastMove) {
8753 SetHighlights(fromX, fromY, toX, toY);
8756 currentMove = forwardMostMove;
8759 if (instant) return;
8761 DisplayMove(currentMove - 1);
8762 DrawPosition(FALSE, boards[currentMove]);
8763 DisplayBothClocks();
8764 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
8767 void SendEgtPath(ChessProgramState *cps)
8768 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
8769 char buf[MSG_SIZ], name[MSG_SIZ], *p;
8771 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
8774 char c, *q = name+1, *r, *s;
8776 name[0] = ','; // extract next format name from feature and copy with prefixed ','
8777 while(*p && *p != ',') *q++ = *p++;
8779 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
8780 strcmp(name, ",nalimov:") == 0 ) {
8781 // take nalimov path from the menu-changeable option first, if it is defined
8782 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
8783 SendToProgram(buf,cps); // send egtbpath command for nalimov
8785 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
8786 (s = StrStr(appData.egtFormats, name)) != NULL) {
8787 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
8788 s = r = StrStr(s, ":") + 1; // beginning of path info
8789 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
8790 c = *r; *r = 0; // temporarily null-terminate path info
8791 *--q = 0; // strip of trailig ':' from name
8792 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
8794 SendToProgram(buf,cps); // send egtbpath command for this format
8796 if(*p == ',') p++; // read away comma to position for next format name
8801 InitChessProgram(cps, setup)
8802 ChessProgramState *cps;
8803 int setup; /* [HGM] needed to setup FRC opening position */
8805 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
8806 if (appData.noChessProgram) return;
8807 hintRequested = FALSE;
8808 bookRequested = FALSE;
8810 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
8811 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
8812 if(cps->memSize) { /* [HGM] memory */
8813 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
8814 SendToProgram(buf, cps);
8816 SendEgtPath(cps); /* [HGM] EGT */
8817 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
8818 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
8819 SendToProgram(buf, cps);
8822 SendToProgram(cps->initString, cps);
8823 if (gameInfo.variant != VariantNormal &&
8824 gameInfo.variant != VariantLoadable
8825 /* [HGM] also send variant if board size non-standard */
8826 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
8828 char *v = VariantName(gameInfo.variant);
8829 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
8830 /* [HGM] in protocol 1 we have to assume all variants valid */
8831 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
8832 DisplayFatalError(buf, 0, 1);
8836 /* [HGM] make prefix for non-standard board size. Awkward testing... */
8837 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8838 if( gameInfo.variant == VariantXiangqi )
8839 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
8840 if( gameInfo.variant == VariantShogi )
8841 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
8842 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
8843 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
8844 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
8845 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
8846 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8847 if( gameInfo.variant == VariantCourier )
8848 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8849 if( gameInfo.variant == VariantSuper )
8850 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8851 if( gameInfo.variant == VariantGreat )
8852 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8855 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
8856 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
8857 /* [HGM] varsize: try first if this defiant size variant is specifically known */
8858 if(StrStr(cps->variants, b) == NULL) {
8859 // specific sized variant not known, check if general sizing allowed
8860 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
8861 if(StrStr(cps->variants, "boardsize") == NULL) {
8862 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
8863 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
8864 DisplayFatalError(buf, 0, 1);
8867 /* [HGM] here we really should compare with the maximum supported board size */
8870 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
8871 snprintf(buf, MSG_SIZ, "variant %s\n", b);
8872 SendToProgram(buf, cps);
8874 currentlyInitializedVariant = gameInfo.variant;
8876 /* [HGM] send opening position in FRC to first engine */
8878 SendToProgram("force\n", cps);
8880 /* engine is now in force mode! Set flag to wake it up after first move. */
8881 setboardSpoiledMachineBlack = 1;
8885 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
8886 SendToProgram(buf, cps);
8888 cps->maybeThinking = FALSE;
8889 cps->offeredDraw = 0;
8890 if (!appData.icsActive) {
8891 SendTimeControl(cps, movesPerSession, timeControl,
8892 timeIncrement, appData.searchDepth,
8895 if (appData.showThinking
8896 // [HGM] thinking: four options require thinking output to be sent
8897 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8899 SendToProgram("post\n", cps);
8901 SendToProgram("hard\n", cps);
8902 if (!appData.ponderNextMove) {
8903 /* Warning: "easy" is a toggle in GNU Chess, so don't send
8904 it without being sure what state we are in first. "hard"
8905 is not a toggle, so that one is OK.
8907 SendToProgram("easy\n", cps);
8910 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
8911 SendToProgram(buf, cps);
8913 cps->initDone = TRUE;
8918 StartChessProgram(cps)
8919 ChessProgramState *cps;
8924 if (appData.noChessProgram) return;
8925 cps->initDone = FALSE;
8927 if (strcmp(cps->host, "localhost") == 0) {
8928 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
8929 } else if (*appData.remoteShell == NULLCHAR) {
8930 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
8932 if (*appData.remoteUser == NULLCHAR) {
8933 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
8936 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
8937 cps->host, appData.remoteUser, cps->program);
8939 err = StartChildProcess(buf, "", &cps->pr);
8943 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
8944 DisplayFatalError(buf, err, 1);
8950 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
8951 if (cps->protocolVersion > 1) {
8952 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
8953 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
8954 cps->comboCnt = 0; // and values of combo boxes
8955 SendToProgram(buf, cps);
8957 SendToProgram("xboard\n", cps);
8963 TwoMachinesEventIfReady P((void))
8965 if (first.lastPing != first.lastPong) {
8966 DisplayMessage("", _("Waiting for first chess program"));
8967 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8970 if (second.lastPing != second.lastPong) {
8971 DisplayMessage("", _("Waiting for second chess program"));
8972 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8980 NextMatchGame P((void))
8982 int index; /* [HGM] autoinc: step load index during match */
8984 if (*appData.loadGameFile != NULLCHAR) {
8985 index = appData.loadGameIndex;
8986 if(index < 0) { // [HGM] autoinc
8987 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8988 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8990 LoadGameFromFile(appData.loadGameFile,
8992 appData.loadGameFile, FALSE);
8993 } else if (*appData.loadPositionFile != NULLCHAR) {
8994 index = appData.loadPositionIndex;
8995 if(index < 0) { // [HGM] autoinc
8996 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8997 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8999 LoadPositionFromFile(appData.loadPositionFile,
9001 appData.loadPositionFile);
9003 TwoMachinesEventIfReady();
9006 void UserAdjudicationEvent( int result )
9008 ChessMove gameResult = GameIsDrawn;
9011 gameResult = WhiteWins;
9013 else if( result < 0 ) {
9014 gameResult = BlackWins;
9017 if( gameMode == TwoMachinesPlay ) {
9018 GameEnds( gameResult, "User adjudication", GE_XBOARD );
9023 // [HGM] save: calculate checksum of game to make games easily identifiable
9024 int StringCheckSum(char *s)
9027 if(s==NULL) return 0;
9028 while(*s) i = i*259 + *s++;
9035 for(i=backwardMostMove; i<forwardMostMove; i++) {
9036 sum += pvInfoList[i].depth;
9037 sum += StringCheckSum(parseList[i]);
9038 sum += StringCheckSum(commentList[i]);
9041 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
9042 return sum + StringCheckSum(commentList[i]);
9043 } // end of save patch
9046 GameEnds(result, resultDetails, whosays)
9048 char *resultDetails;
9051 GameMode nextGameMode;
9053 char buf[MSG_SIZ], popupRequested = 0;
9055 if(endingGame) return; /* [HGM] crash: forbid recursion */
9057 if(twoBoards) { // [HGM] dual: switch back to one board
9058 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
9059 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
9061 if (appData.debugMode) {
9062 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
9063 result, resultDetails ? resultDetails : "(null)", whosays);
9066 fromX = fromY = -1; // [HGM] abort any move the user is entering.
9068 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
9069 /* If we are playing on ICS, the server decides when the
9070 game is over, but the engine can offer to draw, claim
9074 if (appData.zippyPlay && first.initDone) {
9075 if (result == GameIsDrawn) {
9076 /* In case draw still needs to be claimed */
9077 SendToICS(ics_prefix);
9078 SendToICS("draw\n");
9079 } else if (StrCaseStr(resultDetails, "resign")) {
9080 SendToICS(ics_prefix);
9081 SendToICS("resign\n");
9085 endingGame = 0; /* [HGM] crash */
9089 /* If we're loading the game from a file, stop */
9090 if (whosays == GE_FILE) {
9091 (void) StopLoadGameTimer();
9095 /* Cancel draw offers */
9096 first.offeredDraw = second.offeredDraw = 0;
9098 /* If this is an ICS game, only ICS can really say it's done;
9099 if not, anyone can. */
9100 isIcsGame = (gameMode == IcsPlayingWhite ||
9101 gameMode == IcsPlayingBlack ||
9102 gameMode == IcsObserving ||
9103 gameMode == IcsExamining);
9105 if (!isIcsGame || whosays == GE_ICS) {
9106 /* OK -- not an ICS game, or ICS said it was done */
9108 if (!isIcsGame && !appData.noChessProgram)
9109 SetUserThinkingEnables();
9111 /* [HGM] if a machine claims the game end we verify this claim */
9112 if(gameMode == TwoMachinesPlay && appData.testClaims) {
9113 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
9115 ChessMove trueResult = (ChessMove) -1;
9117 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
9118 first.twoMachinesColor[0] :
9119 second.twoMachinesColor[0] ;
9121 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
9122 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
9123 /* [HGM] verify: engine mate claims accepted if they were flagged */
9124 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
9126 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
9127 /* [HGM] verify: engine mate claims accepted if they were flagged */
9128 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
9130 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
9131 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
9134 // now verify win claims, but not in drop games, as we don't understand those yet
9135 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
9136 || gameInfo.variant == VariantGreat) &&
9137 (result == WhiteWins && claimer == 'w' ||
9138 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
9139 if (appData.debugMode) {
9140 fprintf(debugFP, "result=%d sp=%d move=%d\n",
9141 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
9143 if(result != trueResult) {
9144 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
9145 result = claimer == 'w' ? BlackWins : WhiteWins;
9146 resultDetails = buf;
9149 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
9150 && (forwardMostMove <= backwardMostMove ||
9151 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
9152 (claimer=='b')==(forwardMostMove&1))
9154 /* [HGM] verify: draws that were not flagged are false claims */
9155 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
9156 result = claimer == 'w' ? BlackWins : WhiteWins;
9157 resultDetails = buf;
9159 /* (Claiming a loss is accepted no questions asked!) */
9161 /* [HGM] bare: don't allow bare King to win */
9162 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
9163 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
9164 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
9165 && result != GameIsDrawn)
9166 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
9167 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
9168 int p = (signed char)boards[forwardMostMove][i][j] - color;
9169 if(p >= 0 && p <= (int)WhiteKing) k++;
9171 if (appData.debugMode) {
9172 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
9173 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
9176 result = GameIsDrawn;
9177 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
9178 resultDetails = buf;
9184 if(serverMoves != NULL && !loadFlag) { char c = '=';
9185 if(result==WhiteWins) c = '+';
9186 if(result==BlackWins) c = '-';
9187 if(resultDetails != NULL)
9188 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
9190 if (resultDetails != NULL) {
9191 gameInfo.result = result;
9192 gameInfo.resultDetails = StrSave(resultDetails);
9194 /* display last move only if game was not loaded from file */
9195 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
9196 DisplayMove(currentMove - 1);
9198 if (forwardMostMove != 0) {
9199 if (gameMode != PlayFromGameFile && gameMode != EditGame
9200 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
9202 if (*appData.saveGameFile != NULLCHAR) {
9203 SaveGameToFile(appData.saveGameFile, TRUE);
9204 } else if (appData.autoSaveGames) {
9207 if (*appData.savePositionFile != NULLCHAR) {
9208 SavePositionToFile(appData.savePositionFile);
9213 /* Tell program how game ended in case it is learning */
9214 /* [HGM] Moved this to after saving the PGN, just in case */
9215 /* engine died and we got here through time loss. In that */
9216 /* case we will get a fatal error writing the pipe, which */
9217 /* would otherwise lose us the PGN. */
9218 /* [HGM] crash: not needed anymore, but doesn't hurt; */
9219 /* output during GameEnds should never be fatal anymore */
9220 if (gameMode == MachinePlaysWhite ||
9221 gameMode == MachinePlaysBlack ||
9222 gameMode == TwoMachinesPlay ||
9223 gameMode == IcsPlayingWhite ||
9224 gameMode == IcsPlayingBlack ||
9225 gameMode == BeginningOfGame) {
9227 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
9229 if (first.pr != NoProc) {
9230 SendToProgram(buf, &first);
9232 if (second.pr != NoProc &&
9233 gameMode == TwoMachinesPlay) {
9234 SendToProgram(buf, &second);
9239 if (appData.icsActive) {
9240 if (appData.quietPlay &&
9241 (gameMode == IcsPlayingWhite ||
9242 gameMode == IcsPlayingBlack)) {
9243 SendToICS(ics_prefix);
9244 SendToICS("set shout 1\n");
9246 nextGameMode = IcsIdle;
9247 ics_user_moved = FALSE;
9248 /* clean up premove. It's ugly when the game has ended and the
9249 * premove highlights are still on the board.
9253 ClearPremoveHighlights();
9254 DrawPosition(FALSE, boards[currentMove]);
9256 if (whosays == GE_ICS) {
9259 if (gameMode == IcsPlayingWhite)
9261 else if(gameMode == IcsPlayingBlack)
9265 if (gameMode == IcsPlayingBlack)
9267 else if(gameMode == IcsPlayingWhite)
9274 PlayIcsUnfinishedSound();
9277 } else if (gameMode == EditGame ||
9278 gameMode == PlayFromGameFile ||
9279 gameMode == AnalyzeMode ||
9280 gameMode == AnalyzeFile) {
9281 nextGameMode = gameMode;
9283 nextGameMode = EndOfGame;
9288 nextGameMode = gameMode;
9291 if (appData.noChessProgram) {
9292 gameMode = nextGameMode;
9294 endingGame = 0; /* [HGM] crash */
9299 /* Put first chess program into idle state */
9300 if (first.pr != NoProc &&
9301 (gameMode == MachinePlaysWhite ||
9302 gameMode == MachinePlaysBlack ||
9303 gameMode == TwoMachinesPlay ||
9304 gameMode == IcsPlayingWhite ||
9305 gameMode == IcsPlayingBlack ||
9306 gameMode == BeginningOfGame)) {
9307 SendToProgram("force\n", &first);
9308 if (first.usePing) {
9310 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
9311 SendToProgram(buf, &first);
9314 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9315 /* Kill off first chess program */
9316 if (first.isr != NULL)
9317 RemoveInputSource(first.isr);
9320 if (first.pr != NoProc) {
9322 DoSleep( appData.delayBeforeQuit );
9323 SendToProgram("quit\n", &first);
9324 DoSleep( appData.delayAfterQuit );
9325 DestroyChildProcess(first.pr, first.useSigterm);
9330 /* Put second chess program into idle state */
9331 if (second.pr != NoProc &&
9332 gameMode == TwoMachinesPlay) {
9333 SendToProgram("force\n", &second);
9334 if (second.usePing) {
9336 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
9337 SendToProgram(buf, &second);
9340 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9341 /* Kill off second chess program */
9342 if (second.isr != NULL)
9343 RemoveInputSource(second.isr);
9346 if (second.pr != NoProc) {
9347 DoSleep( appData.delayBeforeQuit );
9348 SendToProgram("quit\n", &second);
9349 DoSleep( appData.delayAfterQuit );
9350 DestroyChildProcess(second.pr, second.useSigterm);
9355 if (matchMode && gameMode == TwoMachinesPlay) {
9358 if (first.twoMachinesColor[0] == 'w') {
9365 if (first.twoMachinesColor[0] == 'b') {
9374 if (matchGame < appData.matchGames) {
9376 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
9377 tmp = first.twoMachinesColor;
9378 first.twoMachinesColor = second.twoMachinesColor;
9379 second.twoMachinesColor = tmp;
9381 gameMode = nextGameMode;
9383 if(appData.matchPause>10000 || appData.matchPause<10)
9384 appData.matchPause = 10000; /* [HGM] make pause adjustable */
9385 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
9386 endingGame = 0; /* [HGM] crash */
9389 gameMode = nextGameMode;
9390 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
9391 first.tidy, second.tidy,
9392 first.matchWins, second.matchWins,
9393 appData.matchGames - (first.matchWins + second.matchWins));
9394 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
9397 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
9398 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
9400 gameMode = nextGameMode;
9402 endingGame = 0; /* [HGM] crash */
9403 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
9404 if(matchMode == TRUE) DisplayFatalError(buf, 0, 0); else {
9405 matchMode = FALSE; appData.matchGames = matchGame = 0;
9411 /* Assumes program was just initialized (initString sent).
9412 Leaves program in force mode. */
9414 FeedMovesToProgram(cps, upto)
9415 ChessProgramState *cps;
9420 if (appData.debugMode)
9421 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
9422 startedFromSetupPosition ? "position and " : "",
9423 backwardMostMove, upto, cps->which);
9424 if(currentlyInitializedVariant != gameInfo.variant) {
9426 // [HGM] variantswitch: make engine aware of new variant
9427 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
9428 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
9429 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
9430 SendToProgram(buf, cps);
9431 currentlyInitializedVariant = gameInfo.variant;
9433 SendToProgram("force\n", cps);
9434 if (startedFromSetupPosition) {
9435 SendBoard(cps, backwardMostMove);
9436 if (appData.debugMode) {
9437 fprintf(debugFP, "feedMoves\n");
9440 for (i = backwardMostMove; i < upto; i++) {
9441 SendMoveToProgram(i, cps);
9447 ResurrectChessProgram()
9449 /* The chess program may have exited.
9450 If so, restart it and feed it all the moves made so far. */
9452 if (appData.noChessProgram || first.pr != NoProc) return;
9454 StartChessProgram(&first);
9455 InitChessProgram(&first, FALSE);
9456 FeedMovesToProgram(&first, currentMove);
9458 if (!first.sendTime) {
9459 /* can't tell gnuchess what its clock should read,
9460 so we bow to its notion. */
9462 timeRemaining[0][currentMove] = whiteTimeRemaining;
9463 timeRemaining[1][currentMove] = blackTimeRemaining;
9466 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
9467 appData.icsEngineAnalyze) && first.analysisSupport) {
9468 SendToProgram("analyze\n", &first);
9469 first.analyzing = TRUE;
9482 if (appData.debugMode) {
9483 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
9484 redraw, init, gameMode);
9486 CleanupTail(); // [HGM] vari: delete any stored variations
9487 pausing = pauseExamInvalid = FALSE;
9488 startedFromSetupPosition = blackPlaysFirst = FALSE;
9490 whiteFlag = blackFlag = FALSE;
9491 userOfferedDraw = FALSE;
9492 hintRequested = bookRequested = FALSE;
9493 first.maybeThinking = FALSE;
9494 second.maybeThinking = FALSE;
9495 first.bookSuspend = FALSE; // [HGM] book
9496 second.bookSuspend = FALSE;
9497 thinkOutput[0] = NULLCHAR;
9498 lastHint[0] = NULLCHAR;
9499 ClearGameInfo(&gameInfo);
9500 gameInfo.variant = StringToVariant(appData.variant);
9501 ics_user_moved = ics_clock_paused = FALSE;
9502 ics_getting_history = H_FALSE;
9504 white_holding[0] = black_holding[0] = NULLCHAR;
9505 ClearProgramStats();
9506 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
9510 flipView = appData.flipView;
9511 ClearPremoveHighlights();
9513 alarmSounded = FALSE;
9515 GameEnds(EndOfFile, NULL, GE_PLAYER);
9516 if(appData.serverMovesName != NULL) {
9517 /* [HGM] prepare to make moves file for broadcasting */
9518 clock_t t = clock();
9519 if(serverMoves != NULL) fclose(serverMoves);
9520 serverMoves = fopen(appData.serverMovesName, "r");
9521 if(serverMoves != NULL) {
9522 fclose(serverMoves);
9523 /* delay 15 sec before overwriting, so all clients can see end */
9524 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
9526 serverMoves = fopen(appData.serverMovesName, "w");
9530 gameMode = BeginningOfGame;
9532 if(appData.icsActive) gameInfo.variant = VariantNormal;
9533 currentMove = forwardMostMove = backwardMostMove = 0;
9534 InitPosition(redraw);
9535 for (i = 0; i < MAX_MOVES; i++) {
9536 if (commentList[i] != NULL) {
9537 free(commentList[i]);
9538 commentList[i] = NULL;
9542 timeRemaining[0][0] = whiteTimeRemaining;
9543 timeRemaining[1][0] = blackTimeRemaining;
9544 if (first.pr == NULL) {
9545 StartChessProgram(&first);
9548 InitChessProgram(&first, startedFromSetupPosition);
9551 DisplayMessage("", "");
9552 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9553 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
9560 if (!AutoPlayOneMove())
9562 if (matchMode || appData.timeDelay == 0)
9564 if (appData.timeDelay < 0 || gameMode == AnalyzeFile)
9566 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
9575 int fromX, fromY, toX, toY;
9577 if (appData.debugMode) {
9578 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
9581 if (gameMode != PlayFromGameFile)
9584 if (currentMove >= forwardMostMove) {
9585 gameMode = EditGame;
9588 /* [AS] Clear current move marker at the end of a game */
9589 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
9594 toX = moveList[currentMove][2] - AAA;
9595 toY = moveList[currentMove][3] - ONE;
9597 if (moveList[currentMove][1] == '@') {
9598 if (appData.highlightLastMove) {
9599 SetHighlights(-1, -1, toX, toY);
9602 fromX = moveList[currentMove][0] - AAA;
9603 fromY = moveList[currentMove][1] - ONE;
9605 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
9607 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
9609 if (appData.highlightLastMove) {
9610 SetHighlights(fromX, fromY, toX, toY);
9613 DisplayMove(currentMove);
9614 SendMoveToProgram(currentMove++, &first);
9615 DisplayBothClocks();
9616 DrawPosition(FALSE, boards[currentMove]);
9617 // [HGM] PV info: always display, routine tests if empty
9618 DisplayComment(currentMove - 1, commentList[currentMove]);
9624 LoadGameOneMove(readAhead)
9625 ChessMove readAhead;
9627 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
9628 char promoChar = NULLCHAR;
9633 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
9634 gameMode != AnalyzeMode && gameMode != Training) {
9639 yyboardindex = forwardMostMove;
9640 if (readAhead != EndOfFile) {
9641 moveType = readAhead;
9643 if (gameFileFP == NULL)
9645 moveType = (ChessMove) yylex();
9651 if (appData.debugMode)
9652 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9655 /* append the comment but don't display it */
9656 AppendComment(currentMove, p, FALSE);
9659 case WhiteCapturesEnPassant:
9660 case BlackCapturesEnPassant:
9661 case WhitePromotion:
9662 case BlackPromotion:
9663 case WhiteNonPromotion:
9664 case BlackNonPromotion:
9666 case WhiteKingSideCastle:
9667 case WhiteQueenSideCastle:
9668 case BlackKingSideCastle:
9669 case BlackQueenSideCastle:
9670 case WhiteKingSideCastleWild:
9671 case WhiteQueenSideCastleWild:
9672 case BlackKingSideCastleWild:
9673 case BlackQueenSideCastleWild:
9675 case WhiteHSideCastleFR:
9676 case WhiteASideCastleFR:
9677 case BlackHSideCastleFR:
9678 case BlackASideCastleFR:
9680 if (appData.debugMode)
9681 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9682 fromX = currentMoveString[0] - AAA;
9683 fromY = currentMoveString[1] - ONE;
9684 toX = currentMoveString[2] - AAA;
9685 toY = currentMoveString[3] - ONE;
9686 promoChar = currentMoveString[4];
9691 if (appData.debugMode)
9692 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9693 fromX = moveType == WhiteDrop ?
9694 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9695 (int) CharToPiece(ToLower(currentMoveString[0]));
9697 toX = currentMoveString[2] - AAA;
9698 toY = currentMoveString[3] - ONE;
9704 case GameUnfinished:
9705 if (appData.debugMode)
9706 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
9707 p = strchr(yy_text, '{');
9708 if (p == NULL) p = strchr(yy_text, '(');
9711 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9713 q = strchr(p, *p == '{' ? '}' : ')');
9714 if (q != NULL) *q = NULLCHAR;
9717 GameEnds(moveType, p, GE_FILE);
9719 if (cmailMsgLoaded) {
9721 flipView = WhiteOnMove(currentMove);
9722 if (moveType == GameUnfinished) flipView = !flipView;
9723 if (appData.debugMode)
9724 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
9729 if (appData.debugMode)
9730 fprintf(debugFP, "Parser hit end of file\n");
9731 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9737 if (WhiteOnMove(currentMove)) {
9738 GameEnds(BlackWins, "Black mates", GE_FILE);
9740 GameEnds(WhiteWins, "White mates", GE_FILE);
9744 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9751 if (lastLoadGameStart == GNUChessGame) {
9752 /* GNUChessGames have numbers, but they aren't move numbers */
9753 if (appData.debugMode)
9754 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9755 yy_text, (int) moveType);
9756 return LoadGameOneMove(EndOfFile); /* tail recursion */
9758 /* else fall thru */
9763 /* Reached start of next game in file */
9764 if (appData.debugMode)
9765 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
9766 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9772 if (WhiteOnMove(currentMove)) {
9773 GameEnds(BlackWins, "Black mates", GE_FILE);
9775 GameEnds(WhiteWins, "White mates", GE_FILE);
9779 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9785 case PositionDiagram: /* should not happen; ignore */
9786 case ElapsedTime: /* ignore */
9787 case NAG: /* ignore */
9788 if (appData.debugMode)
9789 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9790 yy_text, (int) moveType);
9791 return LoadGameOneMove(EndOfFile); /* tail recursion */
9794 if (appData.testLegality) {
9795 if (appData.debugMode)
9796 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
9797 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
9798 (forwardMostMove / 2) + 1,
9799 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9800 DisplayError(move, 0);
9803 if (appData.debugMode)
9804 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
9805 yy_text, currentMoveString);
9806 fromX = currentMoveString[0] - AAA;
9807 fromY = currentMoveString[1] - ONE;
9808 toX = currentMoveString[2] - AAA;
9809 toY = currentMoveString[3] - ONE;
9810 promoChar = currentMoveString[4];
9815 if (appData.debugMode)
9816 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
9817 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
9818 (forwardMostMove / 2) + 1,
9819 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9820 DisplayError(move, 0);
9825 case ImpossibleMove:
9826 if (appData.debugMode)
9827 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
9828 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
9829 (forwardMostMove / 2) + 1,
9830 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9831 DisplayError(move, 0);
9837 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
9838 DrawPosition(FALSE, boards[currentMove]);
9839 DisplayBothClocks();
9840 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
9841 DisplayComment(currentMove - 1, commentList[currentMove]);
9843 (void) StopLoadGameTimer();
9845 cmailOldMove = forwardMostMove;
9848 /* currentMoveString is set as a side-effect of yylex */
9849 strcat(currentMoveString, "\n");
9850 safeStrCpy(moveList[forwardMostMove], currentMoveString, sizeof(moveList[forwardMostMove])/sizeof(moveList[forwardMostMove][0]));
9852 thinkOutput[0] = NULLCHAR;
9853 MakeMove(fromX, fromY, toX, toY, promoChar);
9854 currentMove = forwardMostMove;
9859 /* Load the nth game from the given file */
9861 LoadGameFromFile(filename, n, title, useList)
9865 /*Boolean*/ int useList;
9870 if (strcmp(filename, "-") == 0) {
9874 f = fopen(filename, "rb");
9876 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9877 DisplayError(buf, errno);
9881 if (fseek(f, 0, 0) == -1) {
9882 /* f is not seekable; probably a pipe */
9885 if (useList && n == 0) {
9886 int error = GameListBuild(f);
9888 DisplayError(_("Cannot build game list"), error);
9889 } else if (!ListEmpty(&gameList) &&
9890 ((ListGame *) gameList.tailPred)->number > 1) {
9891 GameListPopUp(f, title);
9898 return LoadGame(f, n, title, FALSE);
9903 MakeRegisteredMove()
9905 int fromX, fromY, toX, toY;
9907 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9908 switch (cmailMoveType[lastLoadGameNumber - 1]) {
9911 if (appData.debugMode)
9912 fprintf(debugFP, "Restoring %s for game %d\n",
9913 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
9915 thinkOutput[0] = NULLCHAR;
9916 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
9917 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
9918 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
9919 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
9920 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
9921 promoChar = cmailMove[lastLoadGameNumber - 1][4];
9922 MakeMove(fromX, fromY, toX, toY, promoChar);
9923 ShowMove(fromX, fromY, toX, toY);
9925 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9932 if (WhiteOnMove(currentMove)) {
9933 GameEnds(BlackWins, "Black mates", GE_PLAYER);
9935 GameEnds(WhiteWins, "White mates", GE_PLAYER);
9940 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
9947 if (WhiteOnMove(currentMove)) {
9948 GameEnds(BlackWins, "White resigns", GE_PLAYER);
9950 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
9955 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
9966 /* Wrapper around LoadGame for use when a Cmail message is loaded */
9968 CmailLoadGame(f, gameNumber, title, useList)
9976 if (gameNumber > nCmailGames) {
9977 DisplayError(_("No more games in this message"), 0);
9980 if (f == lastLoadGameFP) {
9981 int offset = gameNumber - lastLoadGameNumber;
9983 cmailMsg[0] = NULLCHAR;
9984 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9985 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
9986 nCmailMovesRegistered--;
9988 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
9989 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
9990 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
9993 if (! RegisterMove()) return FALSE;
9997 retVal = LoadGame(f, gameNumber, title, useList);
9999 /* Make move registered during previous look at this game, if any */
10000 MakeRegisteredMove();
10002 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
10003 commentList[currentMove]
10004 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
10005 DisplayComment(currentMove - 1, commentList[currentMove]);
10011 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
10016 int gameNumber = lastLoadGameNumber + offset;
10017 if (lastLoadGameFP == NULL) {
10018 DisplayError(_("No game has been loaded yet"), 0);
10021 if (gameNumber <= 0) {
10022 DisplayError(_("Can't back up any further"), 0);
10025 if (cmailMsgLoaded) {
10026 return CmailLoadGame(lastLoadGameFP, gameNumber,
10027 lastLoadGameTitle, lastLoadGameUseList);
10029 return LoadGame(lastLoadGameFP, gameNumber,
10030 lastLoadGameTitle, lastLoadGameUseList);
10036 /* Load the nth game from open file f */
10038 LoadGame(f, gameNumber, title, useList)
10046 int gn = gameNumber;
10047 ListGame *lg = NULL;
10048 int numPGNTags = 0;
10050 GameMode oldGameMode;
10051 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
10053 if (appData.debugMode)
10054 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
10056 if (gameMode == Training )
10057 SetTrainingModeOff();
10059 oldGameMode = gameMode;
10060 if (gameMode != BeginningOfGame) {
10061 Reset(FALSE, TRUE);
10065 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
10066 fclose(lastLoadGameFP);
10070 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
10073 fseek(f, lg->offset, 0);
10074 GameListHighlight(gameNumber);
10078 DisplayError(_("Game number out of range"), 0);
10083 if (fseek(f, 0, 0) == -1) {
10084 if (f == lastLoadGameFP ?
10085 gameNumber == lastLoadGameNumber + 1 :
10089 DisplayError(_("Can't seek on game file"), 0);
10094 lastLoadGameFP = f;
10095 lastLoadGameNumber = gameNumber;
10096 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
10097 lastLoadGameUseList = useList;
10101 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
10102 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
10103 lg->gameInfo.black);
10105 } else if (*title != NULLCHAR) {
10106 if (gameNumber > 1) {
10107 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
10110 DisplayTitle(title);
10114 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
10115 gameMode = PlayFromGameFile;
10119 currentMove = forwardMostMove = backwardMostMove = 0;
10120 CopyBoard(boards[0], initialPosition);
10124 * Skip the first gn-1 games in the file.
10125 * Also skip over anything that precedes an identifiable
10126 * start of game marker, to avoid being confused by
10127 * garbage at the start of the file. Currently
10128 * recognized start of game markers are the move number "1",
10129 * the pattern "gnuchess .* game", the pattern
10130 * "^[#;%] [^ ]* game file", and a PGN tag block.
10131 * A game that starts with one of the latter two patterns
10132 * will also have a move number 1, possibly
10133 * following a position diagram.
10134 * 5-4-02: Let's try being more lenient and allowing a game to
10135 * start with an unnumbered move. Does that break anything?
10137 cm = lastLoadGameStart = EndOfFile;
10139 yyboardindex = forwardMostMove;
10140 cm = (ChessMove) yylex();
10143 if (cmailMsgLoaded) {
10144 nCmailGames = CMAIL_MAX_GAMES - gn;
10147 DisplayError(_("Game not found in file"), 0);
10154 lastLoadGameStart = cm;
10157 case MoveNumberOne:
10158 switch (lastLoadGameStart) {
10163 case MoveNumberOne:
10165 gn--; /* count this game */
10166 lastLoadGameStart = cm;
10175 switch (lastLoadGameStart) {
10178 case MoveNumberOne:
10180 gn--; /* count this game */
10181 lastLoadGameStart = cm;
10184 lastLoadGameStart = cm; /* game counted already */
10192 yyboardindex = forwardMostMove;
10193 cm = (ChessMove) yylex();
10194 } while (cm == PGNTag || cm == Comment);
10201 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
10202 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
10203 != CMAIL_OLD_RESULT) {
10205 cmailResult[ CMAIL_MAX_GAMES
10206 - gn - 1] = CMAIL_OLD_RESULT;
10212 /* Only a NormalMove can be at the start of a game
10213 * without a position diagram. */
10214 if (lastLoadGameStart == EndOfFile ) {
10216 lastLoadGameStart = MoveNumberOne;
10225 if (appData.debugMode)
10226 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
10228 if (cm == XBoardGame) {
10229 /* Skip any header junk before position diagram and/or move 1 */
10231 yyboardindex = forwardMostMove;
10232 cm = (ChessMove) yylex();
10234 if (cm == EndOfFile ||
10235 cm == GNUChessGame || cm == XBoardGame) {
10236 /* Empty game; pretend end-of-file and handle later */
10241 if (cm == MoveNumberOne || cm == PositionDiagram ||
10242 cm == PGNTag || cm == Comment)
10245 } else if (cm == GNUChessGame) {
10246 if (gameInfo.event != NULL) {
10247 free(gameInfo.event);
10249 gameInfo.event = StrSave(yy_text);
10252 startedFromSetupPosition = FALSE;
10253 while (cm == PGNTag) {
10254 if (appData.debugMode)
10255 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
10256 err = ParsePGNTag(yy_text, &gameInfo);
10257 if (!err) numPGNTags++;
10259 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
10260 if(gameInfo.variant != oldVariant) {
10261 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
10262 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
10263 InitPosition(TRUE);
10264 oldVariant = gameInfo.variant;
10265 if (appData.debugMode)
10266 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
10270 if (gameInfo.fen != NULL) {
10271 Board initial_position;
10272 startedFromSetupPosition = TRUE;
10273 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
10275 DisplayError(_("Bad FEN position in file"), 0);
10278 CopyBoard(boards[0], initial_position);
10279 if (blackPlaysFirst) {
10280 currentMove = forwardMostMove = backwardMostMove = 1;
10281 CopyBoard(boards[1], initial_position);
10282 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10283 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10284 timeRemaining[0][1] = whiteTimeRemaining;
10285 timeRemaining[1][1] = blackTimeRemaining;
10286 if (commentList[0] != NULL) {
10287 commentList[1] = commentList[0];
10288 commentList[0] = NULL;
10291 currentMove = forwardMostMove = backwardMostMove = 0;
10293 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
10295 initialRulePlies = FENrulePlies;
10296 for( i=0; i< nrCastlingRights; i++ )
10297 initialRights[i] = initial_position[CASTLING][i];
10299 yyboardindex = forwardMostMove;
10300 free(gameInfo.fen);
10301 gameInfo.fen = NULL;
10304 yyboardindex = forwardMostMove;
10305 cm = (ChessMove) yylex();
10307 /* Handle comments interspersed among the tags */
10308 while (cm == Comment) {
10310 if (appData.debugMode)
10311 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10313 AppendComment(currentMove, p, FALSE);
10314 yyboardindex = forwardMostMove;
10315 cm = (ChessMove) yylex();
10319 /* don't rely on existence of Event tag since if game was
10320 * pasted from clipboard the Event tag may not exist
10322 if (numPGNTags > 0){
10324 if (gameInfo.variant == VariantNormal) {
10325 VariantClass v = StringToVariant(gameInfo.event);
10326 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
10327 if(v < VariantShogi) gameInfo.variant = v;
10330 if( appData.autoDisplayTags ) {
10331 tags = PGNTags(&gameInfo);
10332 TagsPopUp(tags, CmailMsg());
10337 /* Make something up, but don't display it now */
10342 if (cm == PositionDiagram) {
10345 Board initial_position;
10347 if (appData.debugMode)
10348 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
10350 if (!startedFromSetupPosition) {
10352 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
10353 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
10363 initial_position[i][j++] = CharToPiece(*p);
10366 while (*p == ' ' || *p == '\t' ||
10367 *p == '\n' || *p == '\r') p++;
10369 if (strncmp(p, "black", strlen("black"))==0)
10370 blackPlaysFirst = TRUE;
10372 blackPlaysFirst = FALSE;
10373 startedFromSetupPosition = TRUE;
10375 CopyBoard(boards[0], initial_position);
10376 if (blackPlaysFirst) {
10377 currentMove = forwardMostMove = backwardMostMove = 1;
10378 CopyBoard(boards[1], initial_position);
10379 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10380 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10381 timeRemaining[0][1] = whiteTimeRemaining;
10382 timeRemaining[1][1] = blackTimeRemaining;
10383 if (commentList[0] != NULL) {
10384 commentList[1] = commentList[0];
10385 commentList[0] = NULL;
10388 currentMove = forwardMostMove = backwardMostMove = 0;
10391 yyboardindex = forwardMostMove;
10392 cm = (ChessMove) yylex();
10395 if (first.pr == NoProc) {
10396 StartChessProgram(&first);
10398 InitChessProgram(&first, FALSE);
10399 SendToProgram("force\n", &first);
10400 if (startedFromSetupPosition) {
10401 SendBoard(&first, forwardMostMove);
10402 if (appData.debugMode) {
10403 fprintf(debugFP, "Load Game\n");
10405 DisplayBothClocks();
10408 /* [HGM] server: flag to write setup moves in broadcast file as one */
10409 loadFlag = appData.suppressLoadMoves;
10411 while (cm == Comment) {
10413 if (appData.debugMode)
10414 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10416 AppendComment(currentMove, p, FALSE);
10417 yyboardindex = forwardMostMove;
10418 cm = (ChessMove) yylex();
10421 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
10422 cm == WhiteWins || cm == BlackWins ||
10423 cm == GameIsDrawn || cm == GameUnfinished) {
10424 DisplayMessage("", _("No moves in game"));
10425 if (cmailMsgLoaded) {
10426 if (appData.debugMode)
10427 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
10431 DrawPosition(FALSE, boards[currentMove]);
10432 DisplayBothClocks();
10433 gameMode = EditGame;
10440 // [HGM] PV info: routine tests if comment empty
10441 if (!matchMode && (pausing || appData.timeDelay != 0)) {
10442 DisplayComment(currentMove - 1, commentList[currentMove]);
10444 if (!matchMode && appData.timeDelay != 0)
10445 DrawPosition(FALSE, boards[currentMove]);
10447 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
10448 programStats.ok_to_send = 1;
10451 /* if the first token after the PGN tags is a move
10452 * and not move number 1, retrieve it from the parser
10454 if (cm != MoveNumberOne)
10455 LoadGameOneMove(cm);
10457 /* load the remaining moves from the file */
10458 while (LoadGameOneMove(EndOfFile)) {
10459 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10460 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10463 /* rewind to the start of the game */
10464 currentMove = backwardMostMove;
10466 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10468 if (oldGameMode == AnalyzeFile ||
10469 oldGameMode == AnalyzeMode) {
10470 AnalyzeFileEvent();
10473 if (matchMode || appData.timeDelay == 0) {
10475 gameMode = EditGame;
10477 } else if (appData.timeDelay > 0) {
10478 AutoPlayGameLoop();
10481 if (appData.debugMode)
10482 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
10484 loadFlag = 0; /* [HGM] true game starts */
10488 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
10490 ReloadPosition(offset)
10493 int positionNumber = lastLoadPositionNumber + offset;
10494 if (lastLoadPositionFP == NULL) {
10495 DisplayError(_("No position has been loaded yet"), 0);
10498 if (positionNumber <= 0) {
10499 DisplayError(_("Can't back up any further"), 0);
10502 return LoadPosition(lastLoadPositionFP, positionNumber,
10503 lastLoadPositionTitle);
10506 /* Load the nth position from the given file */
10508 LoadPositionFromFile(filename, n, title)
10516 if (strcmp(filename, "-") == 0) {
10517 return LoadPosition(stdin, n, "stdin");
10519 f = fopen(filename, "rb");
10521 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10522 DisplayError(buf, errno);
10525 return LoadPosition(f, n, title);
10530 /* Load the nth position from the given open file, and close it */
10532 LoadPosition(f, positionNumber, title)
10534 int positionNumber;
10537 char *p, line[MSG_SIZ];
10538 Board initial_position;
10539 int i, j, fenMode, pn;
10541 if (gameMode == Training )
10542 SetTrainingModeOff();
10544 if (gameMode != BeginningOfGame) {
10545 Reset(FALSE, TRUE);
10547 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
10548 fclose(lastLoadPositionFP);
10550 if (positionNumber == 0) positionNumber = 1;
10551 lastLoadPositionFP = f;
10552 lastLoadPositionNumber = positionNumber;
10553 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
10554 if (first.pr == NoProc) {
10555 StartChessProgram(&first);
10556 InitChessProgram(&first, FALSE);
10558 pn = positionNumber;
10559 if (positionNumber < 0) {
10560 /* Negative position number means to seek to that byte offset */
10561 if (fseek(f, -positionNumber, 0) == -1) {
10562 DisplayError(_("Can't seek on position file"), 0);
10567 if (fseek(f, 0, 0) == -1) {
10568 if (f == lastLoadPositionFP ?
10569 positionNumber == lastLoadPositionNumber + 1 :
10570 positionNumber == 1) {
10573 DisplayError(_("Can't seek on position file"), 0);
10578 /* See if this file is FEN or old-style xboard */
10579 if (fgets(line, MSG_SIZ, f) == NULL) {
10580 DisplayError(_("Position not found in file"), 0);
10583 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
10584 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
10587 if (fenMode || line[0] == '#') pn--;
10589 /* skip positions before number pn */
10590 if (fgets(line, MSG_SIZ, f) == NULL) {
10592 DisplayError(_("Position not found in file"), 0);
10595 if (fenMode || line[0] == '#') pn--;
10600 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
10601 DisplayError(_("Bad FEN position in file"), 0);
10605 (void) fgets(line, MSG_SIZ, f);
10606 (void) fgets(line, MSG_SIZ, f);
10608 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
10609 (void) fgets(line, MSG_SIZ, f);
10610 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
10613 initial_position[i][j++] = CharToPiece(*p);
10617 blackPlaysFirst = FALSE;
10619 (void) fgets(line, MSG_SIZ, f);
10620 if (strncmp(line, "black", strlen("black"))==0)
10621 blackPlaysFirst = TRUE;
10624 startedFromSetupPosition = TRUE;
10626 SendToProgram("force\n", &first);
10627 CopyBoard(boards[0], initial_position);
10628 if (blackPlaysFirst) {
10629 currentMove = forwardMostMove = backwardMostMove = 1;
10630 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10631 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10632 CopyBoard(boards[1], initial_position);
10633 DisplayMessage("", _("Black to play"));
10635 currentMove = forwardMostMove = backwardMostMove = 0;
10636 DisplayMessage("", _("White to play"));
10638 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
10639 SendBoard(&first, forwardMostMove);
10640 if (appData.debugMode) {
10642 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
10643 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
10644 fprintf(debugFP, "Load Position\n");
10647 if (positionNumber > 1) {
10648 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
10649 DisplayTitle(line);
10651 DisplayTitle(title);
10653 gameMode = EditGame;
10656 timeRemaining[0][1] = whiteTimeRemaining;
10657 timeRemaining[1][1] = blackTimeRemaining;
10658 DrawPosition(FALSE, boards[currentMove]);
10665 CopyPlayerNameIntoFileName(dest, src)
10668 while (*src != NULLCHAR && *src != ',') {
10673 *(*dest)++ = *src++;
10678 char *DefaultFileName(ext)
10681 static char def[MSG_SIZ];
10684 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
10686 CopyPlayerNameIntoFileName(&p, gameInfo.white);
10688 CopyPlayerNameIntoFileName(&p, gameInfo.black);
10690 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
10697 /* Save the current game to the given file */
10699 SaveGameToFile(filename, append)
10706 if (strcmp(filename, "-") == 0) {
10707 return SaveGame(stdout, 0, NULL);
10709 f = fopen(filename, append ? "a" : "w");
10711 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10712 DisplayError(buf, errno);
10715 return SaveGame(f, 0, NULL);
10724 static char buf[MSG_SIZ];
10727 p = strchr(str, ' ');
10728 if (p == NULL) return str;
10729 strncpy(buf, str, p - str);
10730 buf[p - str] = NULLCHAR;
10734 #define PGN_MAX_LINE 75
10736 #define PGN_SIDE_WHITE 0
10737 #define PGN_SIDE_BLACK 1
10740 static int FindFirstMoveOutOfBook( int side )
10744 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
10745 int index = backwardMostMove;
10746 int has_book_hit = 0;
10748 if( (index % 2) != side ) {
10752 while( index < forwardMostMove ) {
10753 /* Check to see if engine is in book */
10754 int depth = pvInfoList[index].depth;
10755 int score = pvInfoList[index].score;
10761 else if( score == 0 && depth == 63 ) {
10762 in_book = 1; /* Zappa */
10764 else if( score == 2 && depth == 99 ) {
10765 in_book = 1; /* Abrok */
10768 has_book_hit += in_book;
10784 void GetOutOfBookInfo( char * buf )
10788 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10790 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
10791 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
10795 if( oob[0] >= 0 || oob[1] >= 0 ) {
10796 for( i=0; i<2; i++ ) {
10800 if( i > 0 && oob[0] >= 0 ) {
10801 strcat( buf, " " );
10804 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
10805 sprintf( buf+strlen(buf), "%s%.2f",
10806 pvInfoList[idx].score >= 0 ? "+" : "",
10807 pvInfoList[idx].score / 100.0 );
10813 /* Save game in PGN style and close the file */
10818 int i, offset, linelen, newblock;
10822 int movelen, numlen, blank;
10823 char move_buffer[100]; /* [AS] Buffer for move+PV info */
10825 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10827 tm = time((time_t *) NULL);
10829 PrintPGNTags(f, &gameInfo);
10831 if (backwardMostMove > 0 || startedFromSetupPosition) {
10832 char *fen = PositionToFEN(backwardMostMove, NULL);
10833 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
10834 fprintf(f, "\n{--------------\n");
10835 PrintPosition(f, backwardMostMove);
10836 fprintf(f, "--------------}\n");
10840 /* [AS] Out of book annotation */
10841 if( appData.saveOutOfBookInfo ) {
10844 GetOutOfBookInfo( buf );
10846 if( buf[0] != '\0' ) {
10847 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
10854 i = backwardMostMove;
10858 while (i < forwardMostMove) {
10859 /* Print comments preceding this move */
10860 if (commentList[i] != NULL) {
10861 if (linelen > 0) fprintf(f, "\n");
10862 fprintf(f, "%s", commentList[i]);
10867 /* Format move number */
10869 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
10872 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
10874 numtext[0] = NULLCHAR;
10876 numlen = strlen(numtext);
10879 /* Print move number */
10880 blank = linelen > 0 && numlen > 0;
10881 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
10890 fprintf(f, "%s", numtext);
10894 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
10895 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
10898 blank = linelen > 0 && movelen > 0;
10899 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10908 fprintf(f, "%s", move_buffer);
10909 linelen += movelen;
10911 /* [AS] Add PV info if present */
10912 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
10913 /* [HGM] add time */
10914 char buf[MSG_SIZ]; int seconds;
10916 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
10922 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
10925 seconds = (seconds + 4)/10; // round to full seconds
10927 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
10929 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
10932 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
10933 pvInfoList[i].score >= 0 ? "+" : "",
10934 pvInfoList[i].score / 100.0,
10935 pvInfoList[i].depth,
10938 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
10940 /* Print score/depth */
10941 blank = linelen > 0 && movelen > 0;
10942 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10951 fprintf(f, "%s", move_buffer);
10952 linelen += movelen;
10958 /* Start a new line */
10959 if (linelen > 0) fprintf(f, "\n");
10961 /* Print comments after last move */
10962 if (commentList[i] != NULL) {
10963 fprintf(f, "%s\n", commentList[i]);
10967 if (gameInfo.resultDetails != NULL &&
10968 gameInfo.resultDetails[0] != NULLCHAR) {
10969 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
10970 PGNResult(gameInfo.result));
10972 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10976 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10980 /* Save game in old style and close the file */
10982 SaveGameOldStyle(f)
10988 tm = time((time_t *) NULL);
10990 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
10993 if (backwardMostMove > 0 || startedFromSetupPosition) {
10994 fprintf(f, "\n[--------------\n");
10995 PrintPosition(f, backwardMostMove);
10996 fprintf(f, "--------------]\n");
11001 i = backwardMostMove;
11002 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11004 while (i < forwardMostMove) {
11005 if (commentList[i] != NULL) {
11006 fprintf(f, "[%s]\n", commentList[i]);
11009 if ((i % 2) == 1) {
11010 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
11013 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
11015 if (commentList[i] != NULL) {
11019 if (i >= forwardMostMove) {
11023 fprintf(f, "%s\n", parseList[i]);
11028 if (commentList[i] != NULL) {
11029 fprintf(f, "[%s]\n", commentList[i]);
11032 /* This isn't really the old style, but it's close enough */
11033 if (gameInfo.resultDetails != NULL &&
11034 gameInfo.resultDetails[0] != NULLCHAR) {
11035 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
11036 gameInfo.resultDetails);
11038 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11045 /* Save the current game to open file f and close the file */
11047 SaveGame(f, dummy, dummy2)
11052 if (gameMode == EditPosition) EditPositionDone(TRUE);
11053 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11054 if (appData.oldSaveStyle)
11055 return SaveGameOldStyle(f);
11057 return SaveGamePGN(f);
11060 /* Save the current position to the given file */
11062 SavePositionToFile(filename)
11068 if (strcmp(filename, "-") == 0) {
11069 return SavePosition(stdout, 0, NULL);
11071 f = fopen(filename, "a");
11073 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11074 DisplayError(buf, errno);
11077 SavePosition(f, 0, NULL);
11083 /* Save the current position to the given open file and close the file */
11085 SavePosition(f, dummy, dummy2)
11093 if (gameMode == EditPosition) EditPositionDone(TRUE);
11094 if (appData.oldSaveStyle) {
11095 tm = time((time_t *) NULL);
11097 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
11099 fprintf(f, "[--------------\n");
11100 PrintPosition(f, currentMove);
11101 fprintf(f, "--------------]\n");
11103 fen = PositionToFEN(currentMove, NULL);
11104 fprintf(f, "%s\n", fen);
11112 ReloadCmailMsgEvent(unregister)
11116 static char *inFilename = NULL;
11117 static char *outFilename;
11119 struct stat inbuf, outbuf;
11122 /* Any registered moves are unregistered if unregister is set, */
11123 /* i.e. invoked by the signal handler */
11125 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11126 cmailMoveRegistered[i] = FALSE;
11127 if (cmailCommentList[i] != NULL) {
11128 free(cmailCommentList[i]);
11129 cmailCommentList[i] = NULL;
11132 nCmailMovesRegistered = 0;
11135 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11136 cmailResult[i] = CMAIL_NOT_RESULT;
11140 if (inFilename == NULL) {
11141 /* Because the filenames are static they only get malloced once */
11142 /* and they never get freed */
11143 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
11144 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
11146 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
11147 sprintf(outFilename, "%s.out", appData.cmailGameName);
11150 status = stat(outFilename, &outbuf);
11152 cmailMailedMove = FALSE;
11154 status = stat(inFilename, &inbuf);
11155 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
11158 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
11159 counts the games, notes how each one terminated, etc.
11161 It would be nice to remove this kludge and instead gather all
11162 the information while building the game list. (And to keep it
11163 in the game list nodes instead of having a bunch of fixed-size
11164 parallel arrays.) Note this will require getting each game's
11165 termination from the PGN tags, as the game list builder does
11166 not process the game moves. --mann
11168 cmailMsgLoaded = TRUE;
11169 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
11171 /* Load first game in the file or popup game menu */
11172 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
11174 #endif /* !WIN32 */
11182 char string[MSG_SIZ];
11184 if ( cmailMailedMove
11185 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
11186 return TRUE; /* Allow free viewing */
11189 /* Unregister move to ensure that we don't leave RegisterMove */
11190 /* with the move registered when the conditions for registering no */
11192 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11193 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11194 nCmailMovesRegistered --;
11196 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
11198 free(cmailCommentList[lastLoadGameNumber - 1]);
11199 cmailCommentList[lastLoadGameNumber - 1] = NULL;
11203 if (cmailOldMove == -1) {
11204 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
11208 if (currentMove > cmailOldMove + 1) {
11209 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
11213 if (currentMove < cmailOldMove) {
11214 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
11218 if (forwardMostMove > currentMove) {
11219 /* Silently truncate extra moves */
11223 if ( (currentMove == cmailOldMove + 1)
11224 || ( (currentMove == cmailOldMove)
11225 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
11226 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
11227 if (gameInfo.result != GameUnfinished) {
11228 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
11231 if (commentList[currentMove] != NULL) {
11232 cmailCommentList[lastLoadGameNumber - 1]
11233 = StrSave(commentList[currentMove]);
11235 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
11237 if (appData.debugMode)
11238 fprintf(debugFP, "Saving %s for game %d\n",
11239 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11241 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
11243 f = fopen(string, "w");
11244 if (appData.oldSaveStyle) {
11245 SaveGameOldStyle(f); /* also closes the file */
11247 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
11248 f = fopen(string, "w");
11249 SavePosition(f, 0, NULL); /* also closes the file */
11251 fprintf(f, "{--------------\n");
11252 PrintPosition(f, currentMove);
11253 fprintf(f, "--------------}\n\n");
11255 SaveGame(f, 0, NULL); /* also closes the file*/
11258 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
11259 nCmailMovesRegistered ++;
11260 } else if (nCmailGames == 1) {
11261 DisplayError(_("You have not made a move yet"), 0);
11272 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
11273 FILE *commandOutput;
11274 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
11275 int nBytes = 0; /* Suppress warnings on uninitialized variables */
11281 if (! cmailMsgLoaded) {
11282 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
11286 if (nCmailGames == nCmailResults) {
11287 DisplayError(_("No unfinished games"), 0);
11291 #if CMAIL_PROHIBIT_REMAIL
11292 if (cmailMailedMove) {
11293 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);
11294 DisplayError(msg, 0);
11299 if (! (cmailMailedMove || RegisterMove())) return;
11301 if ( cmailMailedMove
11302 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
11303 snprintf(string, MSG_SIZ, partCommandString,
11304 appData.debugMode ? " -v" : "", appData.cmailGameName);
11305 commandOutput = popen(string, "r");
11307 if (commandOutput == NULL) {
11308 DisplayError(_("Failed to invoke cmail"), 0);
11310 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
11311 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
11313 if (nBuffers > 1) {
11314 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
11315 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
11316 nBytes = MSG_SIZ - 1;
11318 (void) memcpy(msg, buffer, nBytes);
11320 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
11322 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
11323 cmailMailedMove = TRUE; /* Prevent >1 moves */
11326 for (i = 0; i < nCmailGames; i ++) {
11327 if (cmailResult[i] == CMAIL_NOT_RESULT) {
11332 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
11334 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
11336 appData.cmailGameName,
11338 LoadGameFromFile(buffer, 1, buffer, FALSE);
11339 cmailMsgLoaded = FALSE;
11343 DisplayInformation(msg);
11344 pclose(commandOutput);
11347 if ((*cmailMsg) != '\0') {
11348 DisplayInformation(cmailMsg);
11353 #endif /* !WIN32 */
11362 int prependComma = 0;
11364 char string[MSG_SIZ]; /* Space for game-list */
11367 if (!cmailMsgLoaded) return "";
11369 if (cmailMailedMove) {
11370 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
11372 /* Create a list of games left */
11373 snprintf(string, MSG_SIZ, "[");
11374 for (i = 0; i < nCmailGames; i ++) {
11375 if (! ( cmailMoveRegistered[i]
11376 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
11377 if (prependComma) {
11378 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
11380 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
11384 strcat(string, number);
11387 strcat(string, "]");
11389 if (nCmailMovesRegistered + nCmailResults == 0) {
11390 switch (nCmailGames) {
11392 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
11396 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
11400 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
11405 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
11407 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
11412 if (nCmailResults == nCmailGames) {
11413 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
11415 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
11420 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
11432 if (gameMode == Training)
11433 SetTrainingModeOff();
11436 cmailMsgLoaded = FALSE;
11437 if (appData.icsActive) {
11438 SendToICS(ics_prefix);
11439 SendToICS("refresh\n");
11449 /* Give up on clean exit */
11453 /* Keep trying for clean exit */
11457 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
11459 if (telnetISR != NULL) {
11460 RemoveInputSource(telnetISR);
11462 if (icsPR != NoProc) {
11463 DestroyChildProcess(icsPR, TRUE);
11466 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
11467 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
11469 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
11470 /* make sure this other one finishes before killing it! */
11471 if(endingGame) { int count = 0;
11472 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
11473 while(endingGame && count++ < 10) DoSleep(1);
11474 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
11477 /* Kill off chess programs */
11478 if (first.pr != NoProc) {
11481 DoSleep( appData.delayBeforeQuit );
11482 SendToProgram("quit\n", &first);
11483 DoSleep( appData.delayAfterQuit );
11484 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
11486 if (second.pr != NoProc) {
11487 DoSleep( appData.delayBeforeQuit );
11488 SendToProgram("quit\n", &second);
11489 DoSleep( appData.delayAfterQuit );
11490 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
11492 if (first.isr != NULL) {
11493 RemoveInputSource(first.isr);
11495 if (second.isr != NULL) {
11496 RemoveInputSource(second.isr);
11499 ShutDownFrontEnd();
11506 if (appData.debugMode)
11507 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
11511 if (gameMode == MachinePlaysWhite ||
11512 gameMode == MachinePlaysBlack) {
11515 DisplayBothClocks();
11517 if (gameMode == PlayFromGameFile) {
11518 if (appData.timeDelay >= 0)
11519 AutoPlayGameLoop();
11520 } else if (gameMode == IcsExamining && pauseExamInvalid) {
11521 Reset(FALSE, TRUE);
11522 SendToICS(ics_prefix);
11523 SendToICS("refresh\n");
11524 } else if (currentMove < forwardMostMove) {
11525 ForwardInner(forwardMostMove);
11527 pauseExamInvalid = FALSE;
11529 switch (gameMode) {
11533 pauseExamForwardMostMove = forwardMostMove;
11534 pauseExamInvalid = FALSE;
11537 case IcsPlayingWhite:
11538 case IcsPlayingBlack:
11542 case PlayFromGameFile:
11543 (void) StopLoadGameTimer();
11547 case BeginningOfGame:
11548 if (appData.icsActive) return;
11549 /* else fall through */
11550 case MachinePlaysWhite:
11551 case MachinePlaysBlack:
11552 case TwoMachinesPlay:
11553 if (forwardMostMove == 0)
11554 return; /* don't pause if no one has moved */
11555 if ((gameMode == MachinePlaysWhite &&
11556 !WhiteOnMove(forwardMostMove)) ||
11557 (gameMode == MachinePlaysBlack &&
11558 WhiteOnMove(forwardMostMove))) {
11571 char title[MSG_SIZ];
11573 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
11574 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
11576 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
11577 WhiteOnMove(currentMove - 1) ? " " : ".. ",
11578 parseList[currentMove - 1]);
11581 EditCommentPopUp(currentMove, title, commentList[currentMove]);
11588 char *tags = PGNTags(&gameInfo);
11589 EditTagsPopUp(tags);
11596 if (appData.noChessProgram || gameMode == AnalyzeMode)
11599 if (gameMode != AnalyzeFile) {
11600 if (!appData.icsEngineAnalyze) {
11602 if (gameMode != EditGame) return;
11604 ResurrectChessProgram();
11605 SendToProgram("analyze\n", &first);
11606 first.analyzing = TRUE;
11607 /*first.maybeThinking = TRUE;*/
11608 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11609 EngineOutputPopUp();
11611 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
11616 StartAnalysisClock();
11617 GetTimeMark(&lastNodeCountTime);
11624 if (appData.noChessProgram || gameMode == AnalyzeFile)
11627 if (gameMode != AnalyzeMode) {
11629 if (gameMode != EditGame) return;
11630 ResurrectChessProgram();
11631 SendToProgram("analyze\n", &first);
11632 first.analyzing = TRUE;
11633 /*first.maybeThinking = TRUE;*/
11634 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11635 EngineOutputPopUp();
11637 gameMode = AnalyzeFile;
11642 StartAnalysisClock();
11643 GetTimeMark(&lastNodeCountTime);
11648 MachineWhiteEvent()
11651 char *bookHit = NULL;
11653 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
11657 if (gameMode == PlayFromGameFile ||
11658 gameMode == TwoMachinesPlay ||
11659 gameMode == Training ||
11660 gameMode == AnalyzeMode ||
11661 gameMode == EndOfGame)
11664 if (gameMode == EditPosition)
11665 EditPositionDone(TRUE);
11667 if (!WhiteOnMove(currentMove)) {
11668 DisplayError(_("It is not White's turn"), 0);
11672 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11675 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11676 gameMode == AnalyzeFile)
11679 ResurrectChessProgram(); /* in case it isn't running */
11680 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
11681 gameMode = MachinePlaysWhite;
11684 gameMode = MachinePlaysWhite;
11688 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11690 if (first.sendName) {
11691 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
11692 SendToProgram(buf, &first);
11694 if (first.sendTime) {
11695 if (first.useColors) {
11696 SendToProgram("black\n", &first); /*gnu kludge*/
11698 SendTimeRemaining(&first, TRUE);
11700 if (first.useColors) {
11701 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
11703 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11704 SetMachineThinkingEnables();
11705 first.maybeThinking = TRUE;
11709 if (appData.autoFlipView && !flipView) {
11710 flipView = !flipView;
11711 DrawPosition(FALSE, NULL);
11712 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11715 if(bookHit) { // [HGM] book: simulate book reply
11716 static char bookMove[MSG_SIZ]; // a bit generous?
11718 programStats.nodes = programStats.depth = programStats.time =
11719 programStats.score = programStats.got_only_move = 0;
11720 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11722 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11723 strcat(bookMove, bookHit);
11724 HandleMachineMove(bookMove, &first);
11729 MachineBlackEvent()
11732 char *bookHit = NULL;
11734 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
11738 if (gameMode == PlayFromGameFile ||
11739 gameMode == TwoMachinesPlay ||
11740 gameMode == Training ||
11741 gameMode == AnalyzeMode ||
11742 gameMode == EndOfGame)
11745 if (gameMode == EditPosition)
11746 EditPositionDone(TRUE);
11748 if (WhiteOnMove(currentMove)) {
11749 DisplayError(_("It is not Black's turn"), 0);
11753 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11756 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11757 gameMode == AnalyzeFile)
11760 ResurrectChessProgram(); /* in case it isn't running */
11761 gameMode = MachinePlaysBlack;
11765 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11767 if (first.sendName) {
11768 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
11769 SendToProgram(buf, &first);
11771 if (first.sendTime) {
11772 if (first.useColors) {
11773 SendToProgram("white\n", &first); /*gnu kludge*/
11775 SendTimeRemaining(&first, FALSE);
11777 if (first.useColors) {
11778 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
11780 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11781 SetMachineThinkingEnables();
11782 first.maybeThinking = TRUE;
11785 if (appData.autoFlipView && flipView) {
11786 flipView = !flipView;
11787 DrawPosition(FALSE, NULL);
11788 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11790 if(bookHit) { // [HGM] book: simulate book reply
11791 static char bookMove[MSG_SIZ]; // a bit generous?
11793 programStats.nodes = programStats.depth = programStats.time =
11794 programStats.score = programStats.got_only_move = 0;
11795 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11797 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11798 strcat(bookMove, bookHit);
11799 HandleMachineMove(bookMove, &first);
11805 DisplayTwoMachinesTitle()
11808 if (appData.matchGames > 0) {
11809 if (first.twoMachinesColor[0] == 'w') {
11810 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
11811 gameInfo.white, gameInfo.black,
11812 first.matchWins, second.matchWins,
11813 matchGame - 1 - (first.matchWins + second.matchWins));
11815 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
11816 gameInfo.white, gameInfo.black,
11817 second.matchWins, first.matchWins,
11818 matchGame - 1 - (first.matchWins + second.matchWins));
11821 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11827 TwoMachinesEvent P((void))
11831 ChessProgramState *onmove;
11832 char *bookHit = NULL;
11834 if (appData.noChessProgram) return;
11836 switch (gameMode) {
11837 case TwoMachinesPlay:
11839 case MachinePlaysWhite:
11840 case MachinePlaysBlack:
11841 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11842 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11846 case BeginningOfGame:
11847 case PlayFromGameFile:
11850 if (gameMode != EditGame) return;
11853 EditPositionDone(TRUE);
11864 // forwardMostMove = currentMove;
11865 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
11866 ResurrectChessProgram(); /* in case first program isn't running */
11868 if (second.pr == NULL) {
11869 StartChessProgram(&second);
11870 if (second.protocolVersion == 1) {
11871 TwoMachinesEventIfReady();
11873 /* kludge: allow timeout for initial "feature" command */
11875 DisplayMessage("", _("Starting second chess program"));
11876 ScheduleDelayedEvent(TwoMachinesEventIfReady, FEATURE_TIMEOUT);
11880 DisplayMessage("", "");
11881 InitChessProgram(&second, FALSE);
11882 SendToProgram("force\n", &second);
11883 if (startedFromSetupPosition) {
11884 SendBoard(&second, backwardMostMove);
11885 if (appData.debugMode) {
11886 fprintf(debugFP, "Two Machines\n");
11889 for (i = backwardMostMove; i < forwardMostMove; i++) {
11890 SendMoveToProgram(i, &second);
11893 gameMode = TwoMachinesPlay;
11897 DisplayTwoMachinesTitle();
11899 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
11905 SendToProgram(first.computerString, &first);
11906 if (first.sendName) {
11907 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
11908 SendToProgram(buf, &first);
11910 SendToProgram(second.computerString, &second);
11911 if (second.sendName) {
11912 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
11913 SendToProgram(buf, &second);
11917 if (!first.sendTime || !second.sendTime) {
11918 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11919 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11921 if (onmove->sendTime) {
11922 if (onmove->useColors) {
11923 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
11925 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
11927 if (onmove->useColors) {
11928 SendToProgram(onmove->twoMachinesColor, onmove);
11930 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
11931 // SendToProgram("go\n", onmove);
11932 onmove->maybeThinking = TRUE;
11933 SetMachineThinkingEnables();
11937 if(bookHit) { // [HGM] book: simulate book reply
11938 static char bookMove[MSG_SIZ]; // a bit generous?
11940 programStats.nodes = programStats.depth = programStats.time =
11941 programStats.score = programStats.got_only_move = 0;
11942 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11944 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11945 strcat(bookMove, bookHit);
11946 savedMessage = bookMove; // args for deferred call
11947 savedState = onmove;
11948 ScheduleDelayedEvent(DeferredBookMove, 1);
11955 if (gameMode == Training) {
11956 SetTrainingModeOff();
11957 gameMode = PlayFromGameFile;
11958 DisplayMessage("", _("Training mode off"));
11960 gameMode = Training;
11961 animateTraining = appData.animate;
11963 /* make sure we are not already at the end of the game */
11964 if (currentMove < forwardMostMove) {
11965 SetTrainingModeOn();
11966 DisplayMessage("", _("Training mode on"));
11968 gameMode = PlayFromGameFile;
11969 DisplayError(_("Already at end of game"), 0);
11978 if (!appData.icsActive) return;
11979 switch (gameMode) {
11980 case IcsPlayingWhite:
11981 case IcsPlayingBlack:
11984 case BeginningOfGame:
11992 EditPositionDone(TRUE);
12005 gameMode = IcsIdle;
12016 switch (gameMode) {
12018 SetTrainingModeOff();
12020 case MachinePlaysWhite:
12021 case MachinePlaysBlack:
12022 case BeginningOfGame:
12023 SendToProgram("force\n", &first);
12024 SetUserThinkingEnables();
12026 case PlayFromGameFile:
12027 (void) StopLoadGameTimer();
12028 if (gameFileFP != NULL) {
12033 EditPositionDone(TRUE);
12038 SendToProgram("force\n", &first);
12040 case TwoMachinesPlay:
12041 GameEnds(EndOfFile, NULL, GE_PLAYER);
12042 ResurrectChessProgram();
12043 SetUserThinkingEnables();
12046 ResurrectChessProgram();
12048 case IcsPlayingBlack:
12049 case IcsPlayingWhite:
12050 DisplayError(_("Warning: You are still playing a game"), 0);
12053 DisplayError(_("Warning: You are still observing a game"), 0);
12056 DisplayError(_("Warning: You are still examining a game"), 0);
12067 first.offeredDraw = second.offeredDraw = 0;
12069 if (gameMode == PlayFromGameFile) {
12070 whiteTimeRemaining = timeRemaining[0][currentMove];
12071 blackTimeRemaining = timeRemaining[1][currentMove];
12075 if (gameMode == MachinePlaysWhite ||
12076 gameMode == MachinePlaysBlack ||
12077 gameMode == TwoMachinesPlay ||
12078 gameMode == EndOfGame) {
12079 i = forwardMostMove;
12080 while (i > currentMove) {
12081 SendToProgram("undo\n", &first);
12084 whiteTimeRemaining = timeRemaining[0][currentMove];
12085 blackTimeRemaining = timeRemaining[1][currentMove];
12086 DisplayBothClocks();
12087 if (whiteFlag || blackFlag) {
12088 whiteFlag = blackFlag = 0;
12093 gameMode = EditGame;
12100 EditPositionEvent()
12102 if (gameMode == EditPosition) {
12108 if (gameMode != EditGame) return;
12110 gameMode = EditPosition;
12113 if (currentMove > 0)
12114 CopyBoard(boards[0], boards[currentMove]);
12116 blackPlaysFirst = !WhiteOnMove(currentMove);
12118 currentMove = forwardMostMove = backwardMostMove = 0;
12119 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12126 /* [DM] icsEngineAnalyze - possible call from other functions */
12127 if (appData.icsEngineAnalyze) {
12128 appData.icsEngineAnalyze = FALSE;
12130 DisplayMessage("",_("Close ICS engine analyze..."));
12132 if (first.analysisSupport && first.analyzing) {
12133 SendToProgram("exit\n", &first);
12134 first.analyzing = FALSE;
12136 thinkOutput[0] = NULLCHAR;
12140 EditPositionDone(Boolean fakeRights)
12142 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
12144 startedFromSetupPosition = TRUE;
12145 InitChessProgram(&first, FALSE);
12146 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
12147 boards[0][EP_STATUS] = EP_NONE;
12148 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
12149 if(boards[0][0][BOARD_WIDTH>>1] == king) {
12150 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
12151 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
12152 } else boards[0][CASTLING][2] = NoRights;
12153 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
12154 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
12155 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
12156 } else boards[0][CASTLING][5] = NoRights;
12158 SendToProgram("force\n", &first);
12159 if (blackPlaysFirst) {
12160 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12161 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12162 currentMove = forwardMostMove = backwardMostMove = 1;
12163 CopyBoard(boards[1], boards[0]);
12165 currentMove = forwardMostMove = backwardMostMove = 0;
12167 SendBoard(&first, forwardMostMove);
12168 if (appData.debugMode) {
12169 fprintf(debugFP, "EditPosDone\n");
12172 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12173 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12174 gameMode = EditGame;
12176 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12177 ClearHighlights(); /* [AS] */
12180 /* Pause for `ms' milliseconds */
12181 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12191 } while (SubtractTimeMarks(&m2, &m1) < ms);
12194 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12196 SendMultiLineToICS(buf)
12199 char temp[MSG_SIZ+1], *p;
12206 strncpy(temp, buf, len);
12211 if (*p == '\n' || *p == '\r')
12216 strcat(temp, "\n");
12218 SendToPlayer(temp, strlen(temp));
12222 SetWhiteToPlayEvent()
12224 if (gameMode == EditPosition) {
12225 blackPlaysFirst = FALSE;
12226 DisplayBothClocks(); /* works because currentMove is 0 */
12227 } else if (gameMode == IcsExamining) {
12228 SendToICS(ics_prefix);
12229 SendToICS("tomove white\n");
12234 SetBlackToPlayEvent()
12236 if (gameMode == EditPosition) {
12237 blackPlaysFirst = TRUE;
12238 currentMove = 1; /* kludge */
12239 DisplayBothClocks();
12241 } else if (gameMode == IcsExamining) {
12242 SendToICS(ics_prefix);
12243 SendToICS("tomove black\n");
12248 EditPositionMenuEvent(selection, x, y)
12249 ChessSquare selection;
12253 ChessSquare piece = boards[0][y][x];
12255 if (gameMode != EditPosition && gameMode != IcsExamining) return;
12257 switch (selection) {
12259 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
12260 SendToICS(ics_prefix);
12261 SendToICS("bsetup clear\n");
12262 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
12263 SendToICS(ics_prefix);
12264 SendToICS("clearboard\n");
12266 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
12267 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
12268 for (y = 0; y < BOARD_HEIGHT; y++) {
12269 if (gameMode == IcsExamining) {
12270 if (boards[currentMove][y][x] != EmptySquare) {
12271 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
12276 boards[0][y][x] = p;
12281 if (gameMode == EditPosition) {
12282 DrawPosition(FALSE, boards[0]);
12287 SetWhiteToPlayEvent();
12291 SetBlackToPlayEvent();
12295 if (gameMode == IcsExamining) {
12296 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12297 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
12300 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12301 if(x == BOARD_LEFT-2) {
12302 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
12303 boards[0][y][1] = 0;
12305 if(x == BOARD_RGHT+1) {
12306 if(y >= gameInfo.holdingsSize) break;
12307 boards[0][y][BOARD_WIDTH-2] = 0;
12310 boards[0][y][x] = EmptySquare;
12311 DrawPosition(FALSE, boards[0]);
12316 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
12317 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
12318 selection = (ChessSquare) (PROMOTED piece);
12319 } else if(piece == EmptySquare) selection = WhiteSilver;
12320 else selection = (ChessSquare)((int)piece - 1);
12324 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
12325 piece > (int)BlackMan && piece <= (int)BlackKing ) {
12326 selection = (ChessSquare) (DEMOTED piece);
12327 } else if(piece == EmptySquare) selection = BlackSilver;
12328 else selection = (ChessSquare)((int)piece + 1);
12333 if(gameInfo.variant == VariantShatranj ||
12334 gameInfo.variant == VariantXiangqi ||
12335 gameInfo.variant == VariantCourier ||
12336 gameInfo.variant == VariantMakruk )
12337 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
12342 if(gameInfo.variant == VariantXiangqi)
12343 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
12344 if(gameInfo.variant == VariantKnightmate)
12345 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
12348 if (gameMode == IcsExamining) {
12349 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12350 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
12351 PieceToChar(selection), AAA + x, ONE + y);
12354 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12356 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
12357 n = PieceToNumber(selection - BlackPawn);
12358 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
12359 boards[0][BOARD_HEIGHT-1-n][0] = selection;
12360 boards[0][BOARD_HEIGHT-1-n][1]++;
12362 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
12363 n = PieceToNumber(selection);
12364 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
12365 boards[0][n][BOARD_WIDTH-1] = selection;
12366 boards[0][n][BOARD_WIDTH-2]++;
12369 boards[0][y][x] = selection;
12370 DrawPosition(TRUE, boards[0]);
12378 DropMenuEvent(selection, x, y)
12379 ChessSquare selection;
12382 ChessMove moveType;
12384 switch (gameMode) {
12385 case IcsPlayingWhite:
12386 case MachinePlaysBlack:
12387 if (!WhiteOnMove(currentMove)) {
12388 DisplayMoveError(_("It is Black's turn"));
12391 moveType = WhiteDrop;
12393 case IcsPlayingBlack:
12394 case MachinePlaysWhite:
12395 if (WhiteOnMove(currentMove)) {
12396 DisplayMoveError(_("It is White's turn"));
12399 moveType = BlackDrop;
12402 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
12408 if (moveType == BlackDrop && selection < BlackPawn) {
12409 selection = (ChessSquare) ((int) selection
12410 + (int) BlackPawn - (int) WhitePawn);
12412 if (boards[currentMove][y][x] != EmptySquare) {
12413 DisplayMoveError(_("That square is occupied"));
12417 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
12423 /* Accept a pending offer of any kind from opponent */
12425 if (appData.icsActive) {
12426 SendToICS(ics_prefix);
12427 SendToICS("accept\n");
12428 } else if (cmailMsgLoaded) {
12429 if (currentMove == cmailOldMove &&
12430 commentList[cmailOldMove] != NULL &&
12431 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12432 "Black offers a draw" : "White offers a draw")) {
12434 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12435 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12437 DisplayError(_("There is no pending offer on this move"), 0);
12438 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12441 /* Not used for offers from chess program */
12448 /* Decline a pending offer of any kind from opponent */
12450 if (appData.icsActive) {
12451 SendToICS(ics_prefix);
12452 SendToICS("decline\n");
12453 } else if (cmailMsgLoaded) {
12454 if (currentMove == cmailOldMove &&
12455 commentList[cmailOldMove] != NULL &&
12456 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12457 "Black offers a draw" : "White offers a draw")) {
12459 AppendComment(cmailOldMove, "Draw declined", TRUE);
12460 DisplayComment(cmailOldMove - 1, "Draw declined");
12463 DisplayError(_("There is no pending offer on this move"), 0);
12466 /* Not used for offers from chess program */
12473 /* Issue ICS rematch command */
12474 if (appData.icsActive) {
12475 SendToICS(ics_prefix);
12476 SendToICS("rematch\n");
12483 /* Call your opponent's flag (claim a win on time) */
12484 if (appData.icsActive) {
12485 SendToICS(ics_prefix);
12486 SendToICS("flag\n");
12488 switch (gameMode) {
12491 case MachinePlaysWhite:
12494 GameEnds(GameIsDrawn, "Both players ran out of time",
12497 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
12499 DisplayError(_("Your opponent is not out of time"), 0);
12502 case MachinePlaysBlack:
12505 GameEnds(GameIsDrawn, "Both players ran out of time",
12508 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
12510 DisplayError(_("Your opponent is not out of time"), 0);
12520 /* Offer draw or accept pending draw offer from opponent */
12522 if (appData.icsActive) {
12523 /* Note: tournament rules require draw offers to be
12524 made after you make your move but before you punch
12525 your clock. Currently ICS doesn't let you do that;
12526 instead, you immediately punch your clock after making
12527 a move, but you can offer a draw at any time. */
12529 SendToICS(ics_prefix);
12530 SendToICS("draw\n");
12531 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
12532 } else if (cmailMsgLoaded) {
12533 if (currentMove == cmailOldMove &&
12534 commentList[cmailOldMove] != NULL &&
12535 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12536 "Black offers a draw" : "White offers a draw")) {
12537 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12538 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12539 } else if (currentMove == cmailOldMove + 1) {
12540 char *offer = WhiteOnMove(cmailOldMove) ?
12541 "White offers a draw" : "Black offers a draw";
12542 AppendComment(currentMove, offer, TRUE);
12543 DisplayComment(currentMove - 1, offer);
12544 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
12546 DisplayError(_("You must make your move before offering a draw"), 0);
12547 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12549 } else if (first.offeredDraw) {
12550 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
12552 if (first.sendDrawOffers) {
12553 SendToProgram("draw\n", &first);
12554 userOfferedDraw = TRUE;
12562 /* Offer Adjourn or accept pending Adjourn offer from opponent */
12564 if (appData.icsActive) {
12565 SendToICS(ics_prefix);
12566 SendToICS("adjourn\n");
12568 /* Currently GNU Chess doesn't offer or accept Adjourns */
12576 /* Offer Abort or accept pending Abort offer from opponent */
12578 if (appData.icsActive) {
12579 SendToICS(ics_prefix);
12580 SendToICS("abort\n");
12582 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
12589 /* Resign. You can do this even if it's not your turn. */
12591 if (appData.icsActive) {
12592 SendToICS(ics_prefix);
12593 SendToICS("resign\n");
12595 switch (gameMode) {
12596 case MachinePlaysWhite:
12597 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12599 case MachinePlaysBlack:
12600 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12603 if (cmailMsgLoaded) {
12605 if (WhiteOnMove(cmailOldMove)) {
12606 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12608 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12610 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
12621 StopObservingEvent()
12623 /* Stop observing current games */
12624 SendToICS(ics_prefix);
12625 SendToICS("unobserve\n");
12629 StopExaminingEvent()
12631 /* Stop observing current game */
12632 SendToICS(ics_prefix);
12633 SendToICS("unexamine\n");
12637 ForwardInner(target)
12642 if (appData.debugMode)
12643 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
12644 target, currentMove, forwardMostMove);
12646 if (gameMode == EditPosition)
12649 if (gameMode == PlayFromGameFile && !pausing)
12652 if (gameMode == IcsExamining && pausing)
12653 limit = pauseExamForwardMostMove;
12655 limit = forwardMostMove;
12657 if (target > limit) target = limit;
12659 if (target > 0 && moveList[target - 1][0]) {
12660 int fromX, fromY, toX, toY;
12661 toX = moveList[target - 1][2] - AAA;
12662 toY = moveList[target - 1][3] - ONE;
12663 if (moveList[target - 1][1] == '@') {
12664 if (appData.highlightLastMove) {
12665 SetHighlights(-1, -1, toX, toY);
12668 fromX = moveList[target - 1][0] - AAA;
12669 fromY = moveList[target - 1][1] - ONE;
12670 if (target == currentMove + 1) {
12671 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12673 if (appData.highlightLastMove) {
12674 SetHighlights(fromX, fromY, toX, toY);
12678 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12679 gameMode == Training || gameMode == PlayFromGameFile ||
12680 gameMode == AnalyzeFile) {
12681 while (currentMove < target) {
12682 SendMoveToProgram(currentMove++, &first);
12685 currentMove = target;
12688 if (gameMode == EditGame || gameMode == EndOfGame) {
12689 whiteTimeRemaining = timeRemaining[0][currentMove];
12690 blackTimeRemaining = timeRemaining[1][currentMove];
12692 DisplayBothClocks();
12693 DisplayMove(currentMove - 1);
12694 DrawPosition(FALSE, boards[currentMove]);
12695 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12696 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
12697 DisplayComment(currentMove - 1, commentList[currentMove]);
12705 if (gameMode == IcsExamining && !pausing) {
12706 SendToICS(ics_prefix);
12707 SendToICS("forward\n");
12709 ForwardInner(currentMove + 1);
12716 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12717 /* to optimze, we temporarily turn off analysis mode while we feed
12718 * the remaining moves to the engine. Otherwise we get analysis output
12721 if (first.analysisSupport) {
12722 SendToProgram("exit\nforce\n", &first);
12723 first.analyzing = FALSE;
12727 if (gameMode == IcsExamining && !pausing) {
12728 SendToICS(ics_prefix);
12729 SendToICS("forward 999999\n");
12731 ForwardInner(forwardMostMove);
12734 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12735 /* we have fed all the moves, so reactivate analysis mode */
12736 SendToProgram("analyze\n", &first);
12737 first.analyzing = TRUE;
12738 /*first.maybeThinking = TRUE;*/
12739 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12744 BackwardInner(target)
12747 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
12749 if (appData.debugMode)
12750 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
12751 target, currentMove, forwardMostMove);
12753 if (gameMode == EditPosition) return;
12754 if (currentMove <= backwardMostMove) {
12756 DrawPosition(full_redraw, boards[currentMove]);
12759 if (gameMode == PlayFromGameFile && !pausing)
12762 if (moveList[target][0]) {
12763 int fromX, fromY, toX, toY;
12764 toX = moveList[target][2] - AAA;
12765 toY = moveList[target][3] - ONE;
12766 if (moveList[target][1] == '@') {
12767 if (appData.highlightLastMove) {
12768 SetHighlights(-1, -1, toX, toY);
12771 fromX = moveList[target][0] - AAA;
12772 fromY = moveList[target][1] - ONE;
12773 if (target == currentMove - 1) {
12774 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
12776 if (appData.highlightLastMove) {
12777 SetHighlights(fromX, fromY, toX, toY);
12781 if (gameMode == EditGame || gameMode==AnalyzeMode ||
12782 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
12783 while (currentMove > target) {
12784 SendToProgram("undo\n", &first);
12788 currentMove = target;
12791 if (gameMode == EditGame || gameMode == EndOfGame) {
12792 whiteTimeRemaining = timeRemaining[0][currentMove];
12793 blackTimeRemaining = timeRemaining[1][currentMove];
12795 DisplayBothClocks();
12796 DisplayMove(currentMove - 1);
12797 DrawPosition(full_redraw, boards[currentMove]);
12798 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12799 // [HGM] PV info: routine tests if comment empty
12800 DisplayComment(currentMove - 1, commentList[currentMove]);
12806 if (gameMode == IcsExamining && !pausing) {
12807 SendToICS(ics_prefix);
12808 SendToICS("backward\n");
12810 BackwardInner(currentMove - 1);
12817 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12818 /* to optimize, we temporarily turn off analysis mode while we undo
12819 * all the moves. Otherwise we get analysis output after each undo.
12821 if (first.analysisSupport) {
12822 SendToProgram("exit\nforce\n", &first);
12823 first.analyzing = FALSE;
12827 if (gameMode == IcsExamining && !pausing) {
12828 SendToICS(ics_prefix);
12829 SendToICS("backward 999999\n");
12831 BackwardInner(backwardMostMove);
12834 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12835 /* we have fed all the moves, so reactivate analysis mode */
12836 SendToProgram("analyze\n", &first);
12837 first.analyzing = TRUE;
12838 /*first.maybeThinking = TRUE;*/
12839 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12846 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
12847 if (to >= forwardMostMove) to = forwardMostMove;
12848 if (to <= backwardMostMove) to = backwardMostMove;
12849 if (to < currentMove) {
12857 RevertEvent(Boolean annotate)
12859 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
12862 if (gameMode != IcsExamining) {
12863 DisplayError(_("You are not examining a game"), 0);
12867 DisplayError(_("You can't revert while pausing"), 0);
12870 SendToICS(ics_prefix);
12871 SendToICS("revert\n");
12877 switch (gameMode) {
12878 case MachinePlaysWhite:
12879 case MachinePlaysBlack:
12880 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12881 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12884 if (forwardMostMove < 2) return;
12885 currentMove = forwardMostMove = forwardMostMove - 2;
12886 whiteTimeRemaining = timeRemaining[0][currentMove];
12887 blackTimeRemaining = timeRemaining[1][currentMove];
12888 DisplayBothClocks();
12889 DisplayMove(currentMove - 1);
12890 ClearHighlights();/*!! could figure this out*/
12891 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
12892 SendToProgram("remove\n", &first);
12893 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
12896 case BeginningOfGame:
12900 case IcsPlayingWhite:
12901 case IcsPlayingBlack:
12902 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
12903 SendToICS(ics_prefix);
12904 SendToICS("takeback 2\n");
12906 SendToICS(ics_prefix);
12907 SendToICS("takeback 1\n");
12916 ChessProgramState *cps;
12918 switch (gameMode) {
12919 case MachinePlaysWhite:
12920 if (!WhiteOnMove(forwardMostMove)) {
12921 DisplayError(_("It is your turn"), 0);
12926 case MachinePlaysBlack:
12927 if (WhiteOnMove(forwardMostMove)) {
12928 DisplayError(_("It is your turn"), 0);
12933 case TwoMachinesPlay:
12934 if (WhiteOnMove(forwardMostMove) ==
12935 (first.twoMachinesColor[0] == 'w')) {
12941 case BeginningOfGame:
12945 SendToProgram("?\n", cps);
12949 TruncateGameEvent()
12952 if (gameMode != EditGame) return;
12959 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
12960 if (forwardMostMove > currentMove) {
12961 if (gameInfo.resultDetails != NULL) {
12962 free(gameInfo.resultDetails);
12963 gameInfo.resultDetails = NULL;
12964 gameInfo.result = GameUnfinished;
12966 forwardMostMove = currentMove;
12967 HistorySet(parseList, backwardMostMove, forwardMostMove,
12975 if (appData.noChessProgram) return;
12976 switch (gameMode) {
12977 case MachinePlaysWhite:
12978 if (WhiteOnMove(forwardMostMove)) {
12979 DisplayError(_("Wait until your turn"), 0);
12983 case BeginningOfGame:
12984 case MachinePlaysBlack:
12985 if (!WhiteOnMove(forwardMostMove)) {
12986 DisplayError(_("Wait until your turn"), 0);
12991 DisplayError(_("No hint available"), 0);
12994 SendToProgram("hint\n", &first);
12995 hintRequested = TRUE;
13001 if (appData.noChessProgram) return;
13002 switch (gameMode) {
13003 case MachinePlaysWhite:
13004 if (WhiteOnMove(forwardMostMove)) {
13005 DisplayError(_("Wait until your turn"), 0);
13009 case BeginningOfGame:
13010 case MachinePlaysBlack:
13011 if (!WhiteOnMove(forwardMostMove)) {
13012 DisplayError(_("Wait until your turn"), 0);
13017 EditPositionDone(TRUE);
13019 case TwoMachinesPlay:
13024 SendToProgram("bk\n", &first);
13025 bookOutput[0] = NULLCHAR;
13026 bookRequested = TRUE;
13032 char *tags = PGNTags(&gameInfo);
13033 TagsPopUp(tags, CmailMsg());
13037 /* end button procedures */
13040 PrintPosition(fp, move)
13046 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13047 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
13048 char c = PieceToChar(boards[move][i][j]);
13049 fputc(c == 'x' ? '.' : c, fp);
13050 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
13053 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
13054 fprintf(fp, "white to play\n");
13056 fprintf(fp, "black to play\n");
13063 if (gameInfo.white != NULL) {
13064 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
13070 /* Find last component of program's own name, using some heuristics */
13072 TidyProgramName(prog, host, buf)
13073 char *prog, *host, buf[MSG_SIZ];
13076 int local = (strcmp(host, "localhost") == 0);
13077 while (!local && (p = strchr(prog, ';')) != NULL) {
13079 while (*p == ' ') p++;
13082 if (*prog == '"' || *prog == '\'') {
13083 q = strchr(prog + 1, *prog);
13085 q = strchr(prog, ' ');
13087 if (q == NULL) q = prog + strlen(prog);
13089 while (p >= prog && *p != '/' && *p != '\\') p--;
13091 if(p == prog && *p == '"') p++;
13092 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
13093 memcpy(buf, p, q - p);
13094 buf[q - p] = NULLCHAR;
13102 TimeControlTagValue()
13105 if (!appData.clockMode) {
13106 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
13107 } else if (movesPerSession > 0) {
13108 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
13109 } else if (timeIncrement == 0) {
13110 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
13112 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
13114 return StrSave(buf);
13120 /* This routine is used only for certain modes */
13121 VariantClass v = gameInfo.variant;
13122 ChessMove r = GameUnfinished;
13125 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
13126 r = gameInfo.result;
13127 p = gameInfo.resultDetails;
13128 gameInfo.resultDetails = NULL;
13130 ClearGameInfo(&gameInfo);
13131 gameInfo.variant = v;
13133 switch (gameMode) {
13134 case MachinePlaysWhite:
13135 gameInfo.event = StrSave( appData.pgnEventHeader );
13136 gameInfo.site = StrSave(HostName());
13137 gameInfo.date = PGNDate();
13138 gameInfo.round = StrSave("-");
13139 gameInfo.white = StrSave(first.tidy);
13140 gameInfo.black = StrSave(UserName());
13141 gameInfo.timeControl = TimeControlTagValue();
13144 case MachinePlaysBlack:
13145 gameInfo.event = StrSave( appData.pgnEventHeader );
13146 gameInfo.site = StrSave(HostName());
13147 gameInfo.date = PGNDate();
13148 gameInfo.round = StrSave("-");
13149 gameInfo.white = StrSave(UserName());
13150 gameInfo.black = StrSave(first.tidy);
13151 gameInfo.timeControl = TimeControlTagValue();
13154 case TwoMachinesPlay:
13155 gameInfo.event = StrSave( appData.pgnEventHeader );
13156 gameInfo.site = StrSave(HostName());
13157 gameInfo.date = PGNDate();
13158 if (matchGame > 0) {
13160 snprintf(buf, MSG_SIZ, "%d", matchGame);
13161 gameInfo.round = StrSave(buf);
13163 gameInfo.round = StrSave("-");
13165 if (first.twoMachinesColor[0] == 'w') {
13166 gameInfo.white = StrSave(first.tidy);
13167 gameInfo.black = StrSave(second.tidy);
13169 gameInfo.white = StrSave(second.tidy);
13170 gameInfo.black = StrSave(first.tidy);
13172 gameInfo.timeControl = TimeControlTagValue();
13176 gameInfo.event = StrSave("Edited game");
13177 gameInfo.site = StrSave(HostName());
13178 gameInfo.date = PGNDate();
13179 gameInfo.round = StrSave("-");
13180 gameInfo.white = StrSave("-");
13181 gameInfo.black = StrSave("-");
13182 gameInfo.result = r;
13183 gameInfo.resultDetails = p;
13187 gameInfo.event = StrSave("Edited position");
13188 gameInfo.site = StrSave(HostName());
13189 gameInfo.date = PGNDate();
13190 gameInfo.round = StrSave("-");
13191 gameInfo.white = StrSave("-");
13192 gameInfo.black = StrSave("-");
13195 case IcsPlayingWhite:
13196 case IcsPlayingBlack:
13201 case PlayFromGameFile:
13202 gameInfo.event = StrSave("Game from non-PGN file");
13203 gameInfo.site = StrSave(HostName());
13204 gameInfo.date = PGNDate();
13205 gameInfo.round = StrSave("-");
13206 gameInfo.white = StrSave("?");
13207 gameInfo.black = StrSave("?");
13216 ReplaceComment(index, text)
13222 while (*text == '\n') text++;
13223 len = strlen(text);
13224 while (len > 0 && text[len - 1] == '\n') len--;
13226 if (commentList[index] != NULL)
13227 free(commentList[index]);
13230 commentList[index] = NULL;
13233 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
13234 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
13235 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
13236 commentList[index] = (char *) malloc(len + 2);
13237 strncpy(commentList[index], text, len);
13238 commentList[index][len] = '\n';
13239 commentList[index][len + 1] = NULLCHAR;
13241 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
13243 commentList[index] = (char *) malloc(len + 7);
13244 safeStrCpy(commentList[index], "{\n", 3);
13245 safeStrCpy(commentList[index]+2, text, len+1);
13246 commentList[index][len+2] = NULLCHAR;
13247 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
13248 strcat(commentList[index], "\n}\n");
13262 if (ch == '\r') continue;
13264 } while (ch != '\0');
13268 AppendComment(index, text, addBraces)
13271 Boolean addBraces; // [HGM] braces: tells if we should add {}
13276 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
13277 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
13280 while (*text == '\n') text++;
13281 len = strlen(text);
13282 while (len > 0 && text[len - 1] == '\n') len--;
13284 if (len == 0) return;
13286 if (commentList[index] != NULL) {
13287 old = commentList[index];
13288 oldlen = strlen(old);
13289 while(commentList[index][oldlen-1] == '\n')
13290 commentList[index][--oldlen] = NULLCHAR;
13291 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
13292 safeStrCpy(commentList[index], old, oldlen);
13294 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
13295 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces)) {
13296 if(addBraces) addBraces = FALSE; else { text++; len--; }
13297 while (*text == '\n') { text++; len--; }
13298 commentList[index][--oldlen] = NULLCHAR;
13300 if(addBraces) strcat(commentList[index], "\n{\n");
13301 else strcat(commentList[index], "\n");
13302 strcat(commentList[index], text);
13303 if(addBraces) strcat(commentList[index], "\n}\n");
13304 else strcat(commentList[index], "\n");
13306 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
13308 safeStrCpy(commentList[index], "{\n", sizeof(commentList[index])/sizeof(commentList[index][0]));
13309 else commentList[index][0] = NULLCHAR;
13310 strcat(commentList[index], text);
13311 strcat(commentList[index], "\n");
13312 if(addBraces) strcat(commentList[index], "}\n");
13316 static char * FindStr( char * text, char * sub_text )
13318 char * result = strstr( text, sub_text );
13320 if( result != NULL ) {
13321 result += strlen( sub_text );
13327 /* [AS] Try to extract PV info from PGN comment */
13328 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
13329 char *GetInfoFromComment( int index, char * text )
13333 if( text != NULL && index > 0 ) {
13336 int time = -1, sec = 0, deci;
13337 char * s_eval = FindStr( text, "[%eval " );
13338 char * s_emt = FindStr( text, "[%emt " );
13340 if( s_eval != NULL || s_emt != NULL ) {
13344 if( s_eval != NULL ) {
13345 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
13349 if( delim != ']' ) {
13354 if( s_emt != NULL ) {
13359 /* We expect something like: [+|-]nnn.nn/dd */
13362 if(*text != '{') return text; // [HGM] braces: must be normal comment
13364 sep = strchr( text, '/' );
13365 if( sep == NULL || sep < (text+4) ) {
13369 time = -1; sec = -1; deci = -1;
13370 if( sscanf( text+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
13371 sscanf( text+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
13372 sscanf( text+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
13373 sscanf( text+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
13377 if( score_lo < 0 || score_lo >= 100 ) {
13381 if(sec >= 0) time = 600*time + 10*sec; else
13382 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
13384 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
13386 /* [HGM] PV time: now locate end of PV info */
13387 while( *++sep >= '0' && *sep <= '9'); // strip depth
13389 while( *++sep >= '0' && *sep <= '9'); // strip time
13391 while( *++sep >= '0' && *sep <= '9'); // strip seconds
13393 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
13394 while(*sep == ' ') sep++;
13405 pvInfoList[index-1].depth = depth;
13406 pvInfoList[index-1].score = score;
13407 pvInfoList[index-1].time = 10*time; // centi-sec
13408 if(*sep == '}') *sep = 0; else *--sep = '{';
13414 SendToProgram(message, cps)
13416 ChessProgramState *cps;
13418 int count, outCount, error;
13421 if (cps->pr == NULL) return;
13424 if (appData.debugMode) {
13427 fprintf(debugFP, "%ld >%-6s: %s",
13428 SubtractTimeMarks(&now, &programStartTime),
13429 cps->which, message);
13432 count = strlen(message);
13433 outCount = OutputToProcess(cps->pr, message, count, &error);
13434 if (outCount < count && !exiting
13435 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
13436 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), cps->which);
13437 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13438 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13439 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13440 snprintf(buf, MSG_SIZ, "%s program exits in draw position (%s)", cps->which, cps->program);
13442 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13444 gameInfo.resultDetails = StrSave(buf);
13446 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13451 ReceiveFromProgram(isr, closure, message, count, error)
13452 InputSourceRef isr;
13460 ChessProgramState *cps = (ChessProgramState *)closure;
13462 if (isr != cps->isr) return; /* Killed intentionally */
13465 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
13466 cps->which, cps->program);
13467 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13468 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13469 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13470 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), cps->which, cps->program);
13472 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13474 gameInfo.resultDetails = StrSave(buf);
13476 RemoveInputSource(cps->isr);
13477 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
13479 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
13480 cps->which, cps->program);
13481 RemoveInputSource(cps->isr);
13483 /* [AS] Program is misbehaving badly... kill it */
13484 if( count == -2 ) {
13485 DestroyChildProcess( cps->pr, 9 );
13489 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13494 if ((end_str = strchr(message, '\r')) != NULL)
13495 *end_str = NULLCHAR;
13496 if ((end_str = strchr(message, '\n')) != NULL)
13497 *end_str = NULLCHAR;
13499 if (appData.debugMode) {
13500 TimeMark now; int print = 1;
13501 char *quote = ""; char c; int i;
13503 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
13504 char start = message[0];
13505 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
13506 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
13507 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
13508 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
13509 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
13510 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
13511 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
13512 sscanf(message, "pong %c", &c)!=1 && start != '#') {
13513 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
13514 print = (appData.engineComments >= 2);
13516 message[0] = start; // restore original message
13520 fprintf(debugFP, "%ld <%-6s: %s%s\n",
13521 SubtractTimeMarks(&now, &programStartTime), cps->which,
13527 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
13528 if (appData.icsEngineAnalyze) {
13529 if (strstr(message, "whisper") != NULL ||
13530 strstr(message, "kibitz") != NULL ||
13531 strstr(message, "tellics") != NULL) return;
13534 HandleMachineMove(message, cps);
13539 SendTimeControl(cps, mps, tc, inc, sd, st)
13540 ChessProgramState *cps;
13541 int mps, inc, sd, st;
13547 if( timeControl_2 > 0 ) {
13548 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
13549 tc = timeControl_2;
13552 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
13553 inc /= cps->timeOdds;
13554 st /= cps->timeOdds;
13556 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
13559 /* Set exact time per move, normally using st command */
13560 if (cps->stKludge) {
13561 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
13563 if (seconds == 0) {
13564 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
13566 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
13569 snprintf(buf, MSG_SIZ, "st %d\n", st);
13572 /* Set conventional or incremental time control, using level command */
13573 if (seconds == 0) {
13574 /* Note old gnuchess bug -- minutes:seconds used to not work.
13575 Fixed in later versions, but still avoid :seconds
13576 when seconds is 0. */
13577 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
13579 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
13580 seconds, inc/1000.);
13583 SendToProgram(buf, cps);
13585 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
13586 /* Orthogonally, limit search to given depth */
13588 if (cps->sdKludge) {
13589 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
13591 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
13593 SendToProgram(buf, cps);
13596 if(cps->nps > 0) { /* [HGM] nps */
13597 if(cps->supportsNPS == FALSE)
13598 cps->nps = -1; // don't use if engine explicitly says not supported!
13600 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
13601 SendToProgram(buf, cps);
13606 ChessProgramState *WhitePlayer()
13607 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
13609 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
13610 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
13616 SendTimeRemaining(cps, machineWhite)
13617 ChessProgramState *cps;
13618 int /*boolean*/ machineWhite;
13620 char message[MSG_SIZ];
13623 /* Note: this routine must be called when the clocks are stopped
13624 or when they have *just* been set or switched; otherwise
13625 it will be off by the time since the current tick started.
13627 if (machineWhite) {
13628 time = whiteTimeRemaining / 10;
13629 otime = blackTimeRemaining / 10;
13631 time = blackTimeRemaining / 10;
13632 otime = whiteTimeRemaining / 10;
13634 /* [HGM] translate opponent's time by time-odds factor */
13635 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
13636 if (appData.debugMode) {
13637 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
13640 if (time <= 0) time = 1;
13641 if (otime <= 0) otime = 1;
13643 snprintf(message, MSG_SIZ, "time %ld\n", time);
13644 SendToProgram(message, cps);
13646 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
13647 SendToProgram(message, cps);
13651 BoolFeature(p, name, loc, cps)
13655 ChessProgramState *cps;
13658 int len = strlen(name);
13661 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13663 sscanf(*p, "%d", &val);
13665 while (**p && **p != ' ')
13667 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13668 SendToProgram(buf, cps);
13675 IntFeature(p, name, loc, cps)
13679 ChessProgramState *cps;
13682 int len = strlen(name);
13683 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13685 sscanf(*p, "%d", loc);
13686 while (**p && **p != ' ') (*p)++;
13687 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13688 SendToProgram(buf, cps);
13695 StringFeature(p, name, loc, cps)
13699 ChessProgramState *cps;
13702 int len = strlen(name);
13703 if (strncmp((*p), name, len) == 0
13704 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
13706 sscanf(*p, "%[^\"]", loc);
13707 while (**p && **p != '\"') (*p)++;
13708 if (**p == '\"') (*p)++;
13709 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13710 SendToProgram(buf, cps);
13717 ParseOption(Option *opt, ChessProgramState *cps)
13718 // [HGM] options: process the string that defines an engine option, and determine
13719 // name, type, default value, and allowed value range
13721 char *p, *q, buf[MSG_SIZ];
13722 int n, min = (-1)<<31, max = 1<<31, def;
13724 if(p = strstr(opt->name, " -spin ")) {
13725 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13726 if(max < min) max = min; // enforce consistency
13727 if(def < min) def = min;
13728 if(def > max) def = max;
13733 } else if((p = strstr(opt->name, " -slider "))) {
13734 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
13735 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13736 if(max < min) max = min; // enforce consistency
13737 if(def < min) def = min;
13738 if(def > max) def = max;
13742 opt->type = Spin; // Slider;
13743 } else if((p = strstr(opt->name, " -string "))) {
13744 opt->textValue = p+9;
13745 opt->type = TextBox;
13746 } else if((p = strstr(opt->name, " -file "))) {
13747 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13748 opt->textValue = p+7;
13749 opt->type = TextBox; // FileName;
13750 } else if((p = strstr(opt->name, " -path "))) {
13751 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13752 opt->textValue = p+7;
13753 opt->type = TextBox; // PathName;
13754 } else if(p = strstr(opt->name, " -check ")) {
13755 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
13756 opt->value = (def != 0);
13757 opt->type = CheckBox;
13758 } else if(p = strstr(opt->name, " -combo ")) {
13759 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
13760 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
13761 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
13762 opt->value = n = 0;
13763 while(q = StrStr(q, " /// ")) {
13764 n++; *q = 0; // count choices, and null-terminate each of them
13766 if(*q == '*') { // remember default, which is marked with * prefix
13770 cps->comboList[cps->comboCnt++] = q;
13772 cps->comboList[cps->comboCnt++] = NULL;
13774 opt->type = ComboBox;
13775 } else if(p = strstr(opt->name, " -button")) {
13776 opt->type = Button;
13777 } else if(p = strstr(opt->name, " -save")) {
13778 opt->type = SaveButton;
13779 } else return FALSE;
13780 *p = 0; // terminate option name
13781 // now look if the command-line options define a setting for this engine option.
13782 if(cps->optionSettings && cps->optionSettings[0])
13783 p = strstr(cps->optionSettings, opt->name); else p = NULL;
13784 if(p && (p == cps->optionSettings || p[-1] == ',')) {
13785 snprintf(buf, MSG_SIZ, "option %s", p);
13786 if(p = strstr(buf, ",")) *p = 0;
13788 SendToProgram(buf, cps);
13794 FeatureDone(cps, val)
13795 ChessProgramState* cps;
13798 DelayedEventCallback cb = GetDelayedEvent();
13799 if ((cb == InitBackEnd3 && cps == &first) ||
13800 (cb == TwoMachinesEventIfReady && cps == &second)) {
13801 CancelDelayedEvent();
13802 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
13804 cps->initDone = val;
13807 /* Parse feature command from engine */
13809 ParseFeatures(args, cps)
13811 ChessProgramState *cps;
13819 while (*p == ' ') p++;
13820 if (*p == NULLCHAR) return;
13822 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
13823 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
13824 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
13825 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
13826 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
13827 if (BoolFeature(&p, "reuse", &val, cps)) {
13828 /* Engine can disable reuse, but can't enable it if user said no */
13829 if (!val) cps->reuse = FALSE;
13832 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
13833 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
13834 if (gameMode == TwoMachinesPlay) {
13835 DisplayTwoMachinesTitle();
13841 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
13842 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
13843 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
13844 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
13845 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
13846 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
13847 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
13848 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
13849 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
13850 if (IntFeature(&p, "done", &val, cps)) {
13851 FeatureDone(cps, val);
13854 /* Added by Tord: */
13855 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
13856 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
13857 /* End of additions by Tord */
13859 /* [HGM] added features: */
13860 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
13861 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
13862 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
13863 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
13864 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13865 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
13866 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
13867 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
13868 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
13869 SendToProgram(buf, cps);
13872 if(cps->nrOptions >= MAX_OPTIONS) {
13874 snprintf(buf, MSG_SIZ, "%s engine has too many options\n", cps->which);
13875 DisplayError(buf, 0);
13879 /* End of additions by HGM */
13881 /* unknown feature: complain and skip */
13883 while (*q && *q != '=') q++;
13884 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
13885 SendToProgram(buf, cps);
13891 while (*p && *p != '\"') p++;
13892 if (*p == '\"') p++;
13894 while (*p && *p != ' ') p++;
13902 PeriodicUpdatesEvent(newState)
13905 if (newState == appData.periodicUpdates)
13908 appData.periodicUpdates=newState;
13910 /* Display type changes, so update it now */
13911 // DisplayAnalysis();
13913 /* Get the ball rolling again... */
13915 AnalysisPeriodicEvent(1);
13916 StartAnalysisClock();
13921 PonderNextMoveEvent(newState)
13924 if (newState == appData.ponderNextMove) return;
13925 if (gameMode == EditPosition) EditPositionDone(TRUE);
13927 SendToProgram("hard\n", &first);
13928 if (gameMode == TwoMachinesPlay) {
13929 SendToProgram("hard\n", &second);
13932 SendToProgram("easy\n", &first);
13933 thinkOutput[0] = NULLCHAR;
13934 if (gameMode == TwoMachinesPlay) {
13935 SendToProgram("easy\n", &second);
13938 appData.ponderNextMove = newState;
13942 NewSettingEvent(option, feature, command, value)
13944 int option, value, *feature;
13948 if (gameMode == EditPosition) EditPositionDone(TRUE);
13949 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
13950 if(feature == NULL || *feature) SendToProgram(buf, &first);
13951 if (gameMode == TwoMachinesPlay) {
13952 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
13957 ShowThinkingEvent()
13958 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
13960 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
13961 int newState = appData.showThinking
13962 // [HGM] thinking: other features now need thinking output as well
13963 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
13965 if (oldState == newState) return;
13966 oldState = newState;
13967 if (gameMode == EditPosition) EditPositionDone(TRUE);
13969 SendToProgram("post\n", &first);
13970 if (gameMode == TwoMachinesPlay) {
13971 SendToProgram("post\n", &second);
13974 SendToProgram("nopost\n", &first);
13975 thinkOutput[0] = NULLCHAR;
13976 if (gameMode == TwoMachinesPlay) {
13977 SendToProgram("nopost\n", &second);
13980 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
13984 AskQuestionEvent(title, question, replyPrefix, which)
13985 char *title; char *question; char *replyPrefix; char *which;
13987 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
13988 if (pr == NoProc) return;
13989 AskQuestion(title, question, replyPrefix, pr);
13993 DisplayMove(moveNumber)
13996 char message[MSG_SIZ];
13998 char cpThinkOutput[MSG_SIZ];
14000 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
14002 if (moveNumber == forwardMostMove - 1 ||
14003 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14005 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
14007 if (strchr(cpThinkOutput, '\n')) {
14008 *strchr(cpThinkOutput, '\n') = NULLCHAR;
14011 *cpThinkOutput = NULLCHAR;
14014 /* [AS] Hide thinking from human user */
14015 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
14016 *cpThinkOutput = NULLCHAR;
14017 if( thinkOutput[0] != NULLCHAR ) {
14020 for( i=0; i<=hiddenThinkOutputState; i++ ) {
14021 cpThinkOutput[i] = '.';
14023 cpThinkOutput[i] = NULLCHAR;
14024 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
14028 if (moveNumber == forwardMostMove - 1 &&
14029 gameInfo.resultDetails != NULL) {
14030 if (gameInfo.resultDetails[0] == NULLCHAR) {
14031 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
14033 snprintf(res, MSG_SIZ, " {%s} %s",
14034 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
14040 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14041 DisplayMessage(res, cpThinkOutput);
14043 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
14044 WhiteOnMove(moveNumber) ? " " : ".. ",
14045 parseList[moveNumber], res);
14046 DisplayMessage(message, cpThinkOutput);
14051 DisplayComment(moveNumber, text)
14055 char title[MSG_SIZ];
14056 char buf[8000]; // comment can be long!
14059 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14060 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
14062 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
14063 WhiteOnMove(moveNumber) ? " " : ".. ",
14064 parseList[moveNumber]);
14066 // [HGM] PV info: display PV info together with (or as) comment
14067 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
14068 if(text == NULL) text = "";
14069 score = pvInfoList[moveNumber].score;
14070 snprintf(buf,sizeof(buf)/sizeof(buf[0]), "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
14071 depth, (pvInfoList[moveNumber].time+50)/100, text);
14074 if (text != NULL && (appData.autoDisplayComment || commentUp))
14075 CommentPopUp(title, text);
14078 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
14079 * might be busy thinking or pondering. It can be omitted if your
14080 * gnuchess is configured to stop thinking immediately on any user
14081 * input. However, that gnuchess feature depends on the FIONREAD
14082 * ioctl, which does not work properly on some flavors of Unix.
14086 ChessProgramState *cps;
14089 if (!cps->useSigint) return;
14090 if (appData.noChessProgram || (cps->pr == NoProc)) return;
14091 switch (gameMode) {
14092 case MachinePlaysWhite:
14093 case MachinePlaysBlack:
14094 case TwoMachinesPlay:
14095 case IcsPlayingWhite:
14096 case IcsPlayingBlack:
14099 /* Skip if we know it isn't thinking */
14100 if (!cps->maybeThinking) return;
14101 if (appData.debugMode)
14102 fprintf(debugFP, "Interrupting %s\n", cps->which);
14103 InterruptChildProcess(cps->pr);
14104 cps->maybeThinking = FALSE;
14109 #endif /*ATTENTION*/
14115 if (whiteTimeRemaining <= 0) {
14118 if (appData.icsActive) {
14119 if (appData.autoCallFlag &&
14120 gameMode == IcsPlayingBlack && !blackFlag) {
14121 SendToICS(ics_prefix);
14122 SendToICS("flag\n");
14126 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14128 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
14129 if (appData.autoCallFlag) {
14130 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
14137 if (blackTimeRemaining <= 0) {
14140 if (appData.icsActive) {
14141 if (appData.autoCallFlag &&
14142 gameMode == IcsPlayingWhite && !whiteFlag) {
14143 SendToICS(ics_prefix);
14144 SendToICS("flag\n");
14148 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14150 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
14151 if (appData.autoCallFlag) {
14152 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
14165 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
14166 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
14169 * add time to clocks when time control is achieved ([HGM] now also used for increment)
14171 if ( !WhiteOnMove(forwardMostMove) ) {
14172 /* White made time control */
14173 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
14174 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
14175 /* [HGM] time odds: correct new time quota for time odds! */
14176 / WhitePlayer()->timeOdds;
14177 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
14179 lastBlack -= blackTimeRemaining;
14180 /* Black made time control */
14181 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
14182 / WhitePlayer()->other->timeOdds;
14183 lastWhite = whiteTimeRemaining;
14188 DisplayBothClocks()
14190 int wom = gameMode == EditPosition ?
14191 !blackPlaysFirst : WhiteOnMove(currentMove);
14192 DisplayWhiteClock(whiteTimeRemaining, wom);
14193 DisplayBlackClock(blackTimeRemaining, !wom);
14197 /* Timekeeping seems to be a portability nightmare. I think everyone
14198 has ftime(), but I'm really not sure, so I'm including some ifdefs
14199 to use other calls if you don't. Clocks will be less accurate if
14200 you have neither ftime nor gettimeofday.
14203 /* VS 2008 requires the #include outside of the function */
14204 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
14205 #include <sys/timeb.h>
14208 /* Get the current time as a TimeMark */
14213 #if HAVE_GETTIMEOFDAY
14215 struct timeval timeVal;
14216 struct timezone timeZone;
14218 gettimeofday(&timeVal, &timeZone);
14219 tm->sec = (long) timeVal.tv_sec;
14220 tm->ms = (int) (timeVal.tv_usec / 1000L);
14222 #else /*!HAVE_GETTIMEOFDAY*/
14225 // include <sys/timeb.h> / moved to just above start of function
14226 struct timeb timeB;
14229 tm->sec = (long) timeB.time;
14230 tm->ms = (int) timeB.millitm;
14232 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
14233 tm->sec = (long) time(NULL);
14239 /* Return the difference in milliseconds between two
14240 time marks. We assume the difference will fit in a long!
14243 SubtractTimeMarks(tm2, tm1)
14244 TimeMark *tm2, *tm1;
14246 return 1000L*(tm2->sec - tm1->sec) +
14247 (long) (tm2->ms - tm1->ms);
14252 * Code to manage the game clocks.
14254 * In tournament play, black starts the clock and then white makes a move.
14255 * We give the human user a slight advantage if he is playing white---the
14256 * clocks don't run until he makes his first move, so it takes zero time.
14257 * Also, we don't account for network lag, so we could get out of sync
14258 * with GNU Chess's clock -- but then, referees are always right.
14261 static TimeMark tickStartTM;
14262 static long intendedTickLength;
14265 NextTickLength(timeRemaining)
14266 long timeRemaining;
14268 long nominalTickLength, nextTickLength;
14270 if (timeRemaining > 0L && timeRemaining <= 10000L)
14271 nominalTickLength = 100L;
14273 nominalTickLength = 1000L;
14274 nextTickLength = timeRemaining % nominalTickLength;
14275 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
14277 return nextTickLength;
14280 /* Adjust clock one minute up or down */
14282 AdjustClock(Boolean which, int dir)
14284 if(which) blackTimeRemaining += 60000*dir;
14285 else whiteTimeRemaining += 60000*dir;
14286 DisplayBothClocks();
14289 /* Stop clocks and reset to a fresh time control */
14293 (void) StopClockTimer();
14294 if (appData.icsActive) {
14295 whiteTimeRemaining = blackTimeRemaining = 0;
14296 } else if (searchTime) {
14297 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14298 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14299 } else { /* [HGM] correct new time quote for time odds */
14300 whiteTC = blackTC = fullTimeControlString;
14301 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
14302 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
14304 if (whiteFlag || blackFlag) {
14306 whiteFlag = blackFlag = FALSE;
14308 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
14309 DisplayBothClocks();
14312 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
14314 /* Decrement running clock by amount of time that has passed */
14318 long timeRemaining;
14319 long lastTickLength, fudge;
14322 if (!appData.clockMode) return;
14323 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
14327 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14329 /* Fudge if we woke up a little too soon */
14330 fudge = intendedTickLength - lastTickLength;
14331 if (fudge < 0 || fudge > FUDGE) fudge = 0;
14333 if (WhiteOnMove(forwardMostMove)) {
14334 if(whiteNPS >= 0) lastTickLength = 0;
14335 timeRemaining = whiteTimeRemaining -= lastTickLength;
14336 if(timeRemaining < 0 && !appData.icsActive) {
14337 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
14338 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
14339 whiteStartMove = forwardMostMove; whiteTC = nextSession;
14340 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
14343 DisplayWhiteClock(whiteTimeRemaining - fudge,
14344 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14346 if(blackNPS >= 0) lastTickLength = 0;
14347 timeRemaining = blackTimeRemaining -= lastTickLength;
14348 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
14349 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
14351 blackStartMove = forwardMostMove;
14352 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
14355 DisplayBlackClock(blackTimeRemaining - fudge,
14356 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14358 if (CheckFlags()) return;
14361 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
14362 StartClockTimer(intendedTickLength);
14364 /* if the time remaining has fallen below the alarm threshold, sound the
14365 * alarm. if the alarm has sounded and (due to a takeback or time control
14366 * with increment) the time remaining has increased to a level above the
14367 * threshold, reset the alarm so it can sound again.
14370 if (appData.icsActive && appData.icsAlarm) {
14372 /* make sure we are dealing with the user's clock */
14373 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
14374 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
14377 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
14378 alarmSounded = FALSE;
14379 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
14381 alarmSounded = TRUE;
14387 /* A player has just moved, so stop the previously running
14388 clock and (if in clock mode) start the other one.
14389 We redisplay both clocks in case we're in ICS mode, because
14390 ICS gives us an update to both clocks after every move.
14391 Note that this routine is called *after* forwardMostMove
14392 is updated, so the last fractional tick must be subtracted
14393 from the color that is *not* on move now.
14396 SwitchClocks(int newMoveNr)
14398 long lastTickLength;
14400 int flagged = FALSE;
14404 if (StopClockTimer() && appData.clockMode) {
14405 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14406 if (!WhiteOnMove(forwardMostMove)) {
14407 if(blackNPS >= 0) lastTickLength = 0;
14408 blackTimeRemaining -= lastTickLength;
14409 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14410 // if(pvInfoList[forwardMostMove-1].time == -1)
14411 pvInfoList[forwardMostMove-1].time = // use GUI time
14412 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
14414 if(whiteNPS >= 0) lastTickLength = 0;
14415 whiteTimeRemaining -= lastTickLength;
14416 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14417 // if(pvInfoList[forwardMostMove-1].time == -1)
14418 pvInfoList[forwardMostMove-1].time =
14419 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
14421 flagged = CheckFlags();
14423 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
14424 CheckTimeControl();
14426 if (flagged || !appData.clockMode) return;
14428 switch (gameMode) {
14429 case MachinePlaysBlack:
14430 case MachinePlaysWhite:
14431 case BeginningOfGame:
14432 if (pausing) return;
14436 case PlayFromGameFile:
14444 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
14445 if(WhiteOnMove(forwardMostMove))
14446 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14447 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14451 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14452 whiteTimeRemaining : blackTimeRemaining);
14453 StartClockTimer(intendedTickLength);
14457 /* Stop both clocks */
14461 long lastTickLength;
14464 if (!StopClockTimer()) return;
14465 if (!appData.clockMode) return;
14469 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14470 if (WhiteOnMove(forwardMostMove)) {
14471 if(whiteNPS >= 0) lastTickLength = 0;
14472 whiteTimeRemaining -= lastTickLength;
14473 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
14475 if(blackNPS >= 0) lastTickLength = 0;
14476 blackTimeRemaining -= lastTickLength;
14477 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
14482 /* Start clock of player on move. Time may have been reset, so
14483 if clock is already running, stop and restart it. */
14487 (void) StopClockTimer(); /* in case it was running already */
14488 DisplayBothClocks();
14489 if (CheckFlags()) return;
14491 if (!appData.clockMode) return;
14492 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
14494 GetTimeMark(&tickStartTM);
14495 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14496 whiteTimeRemaining : blackTimeRemaining);
14498 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
14499 whiteNPS = blackNPS = -1;
14500 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
14501 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
14502 whiteNPS = first.nps;
14503 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
14504 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
14505 blackNPS = first.nps;
14506 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
14507 whiteNPS = second.nps;
14508 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
14509 blackNPS = second.nps;
14510 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
14512 StartClockTimer(intendedTickLength);
14519 long second, minute, hour, day;
14521 static char buf[32];
14523 if (ms > 0 && ms <= 9900) {
14524 /* convert milliseconds to tenths, rounding up */
14525 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
14527 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
14531 /* convert milliseconds to seconds, rounding up */
14532 /* use floating point to avoid strangeness of integer division
14533 with negative dividends on many machines */
14534 second = (long) floor(((double) (ms + 999L)) / 1000.0);
14541 day = second / (60 * 60 * 24);
14542 second = second % (60 * 60 * 24);
14543 hour = second / (60 * 60);
14544 second = second % (60 * 60);
14545 minute = second / 60;
14546 second = second % 60;
14549 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
14550 sign, day, hour, minute, second);
14552 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
14554 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
14561 * This is necessary because some C libraries aren't ANSI C compliant yet.
14564 StrStr(string, match)
14565 char *string, *match;
14569 length = strlen(match);
14571 for (i = strlen(string) - length; i >= 0; i--, string++)
14572 if (!strncmp(match, string, length))
14579 StrCaseStr(string, match)
14580 char *string, *match;
14584 length = strlen(match);
14586 for (i = strlen(string) - length; i >= 0; i--, string++) {
14587 for (j = 0; j < length; j++) {
14588 if (ToLower(match[j]) != ToLower(string[j]))
14591 if (j == length) return string;
14605 c1 = ToLower(*s1++);
14606 c2 = ToLower(*s2++);
14607 if (c1 > c2) return 1;
14608 if (c1 < c2) return -1;
14609 if (c1 == NULLCHAR) return 0;
14618 return isupper(c) ? tolower(c) : c;
14626 return islower(c) ? toupper(c) : c;
14628 #endif /* !_amigados */
14636 if ((ret = (char *) malloc(strlen(s) + 1)))
14638 safeStrCpy(ret, s, strlen(s)+1);
14644 StrSavePtr(s, savePtr)
14645 char *s, **savePtr;
14650 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
14651 safeStrCpy(*savePtr, s, strlen(s)+1);
14663 clock = time((time_t *)NULL);
14664 tm = localtime(&clock);
14665 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
14666 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
14667 return StrSave(buf);
14672 PositionToFEN(move, overrideCastling)
14674 char *overrideCastling;
14676 int i, j, fromX, fromY, toX, toY;
14683 whiteToPlay = (gameMode == EditPosition) ?
14684 !blackPlaysFirst : (move % 2 == 0);
14687 /* Piece placement data */
14688 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14690 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14691 if (boards[move][i][j] == EmptySquare) {
14693 } else { ChessSquare piece = boards[move][i][j];
14694 if (emptycount > 0) {
14695 if(emptycount<10) /* [HGM] can be >= 10 */
14696 *p++ = '0' + emptycount;
14697 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14700 if(PieceToChar(piece) == '+') {
14701 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
14703 piece = (ChessSquare)(DEMOTED piece);
14705 *p++ = PieceToChar(piece);
14707 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
14708 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
14713 if (emptycount > 0) {
14714 if(emptycount<10) /* [HGM] can be >= 10 */
14715 *p++ = '0' + emptycount;
14716 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14723 /* [HGM] print Crazyhouse or Shogi holdings */
14724 if( gameInfo.holdingsWidth ) {
14725 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
14727 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
14728 piece = boards[move][i][BOARD_WIDTH-1];
14729 if( piece != EmptySquare )
14730 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
14731 *p++ = PieceToChar(piece);
14733 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
14734 piece = boards[move][BOARD_HEIGHT-i-1][0];
14735 if( piece != EmptySquare )
14736 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
14737 *p++ = PieceToChar(piece);
14740 if( q == p ) *p++ = '-';
14746 *p++ = whiteToPlay ? 'w' : 'b';
14749 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
14750 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
14752 if(nrCastlingRights) {
14754 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
14755 /* [HGM] write directly from rights */
14756 if(boards[move][CASTLING][2] != NoRights &&
14757 boards[move][CASTLING][0] != NoRights )
14758 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
14759 if(boards[move][CASTLING][2] != NoRights &&
14760 boards[move][CASTLING][1] != NoRights )
14761 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
14762 if(boards[move][CASTLING][5] != NoRights &&
14763 boards[move][CASTLING][3] != NoRights )
14764 *p++ = boards[move][CASTLING][3] + AAA;
14765 if(boards[move][CASTLING][5] != NoRights &&
14766 boards[move][CASTLING][4] != NoRights )
14767 *p++ = boards[move][CASTLING][4] + AAA;
14770 /* [HGM] write true castling rights */
14771 if( nrCastlingRights == 6 ) {
14772 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
14773 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
14774 if(boards[move][CASTLING][1] == BOARD_LEFT &&
14775 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
14776 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
14777 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
14778 if(boards[move][CASTLING][4] == BOARD_LEFT &&
14779 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
14782 if (q == p) *p++ = '-'; /* No castling rights */
14786 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14787 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14788 /* En passant target square */
14789 if (move > backwardMostMove) {
14790 fromX = moveList[move - 1][0] - AAA;
14791 fromY = moveList[move - 1][1] - ONE;
14792 toX = moveList[move - 1][2] - AAA;
14793 toY = moveList[move - 1][3] - ONE;
14794 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
14795 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
14796 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
14798 /* 2-square pawn move just happened */
14800 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14804 } else if(move == backwardMostMove) {
14805 // [HGM] perhaps we should always do it like this, and forget the above?
14806 if((signed char)boards[move][EP_STATUS] >= 0) {
14807 *p++ = boards[move][EP_STATUS] + AAA;
14808 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14819 /* [HGM] find reversible plies */
14820 { int i = 0, j=move;
14822 if (appData.debugMode) { int k;
14823 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
14824 for(k=backwardMostMove; k<=forwardMostMove; k++)
14825 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
14829 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
14830 if( j == backwardMostMove ) i += initialRulePlies;
14831 sprintf(p, "%d ", i);
14832 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
14834 /* Fullmove number */
14835 sprintf(p, "%d", (move / 2) + 1);
14837 return StrSave(buf);
14841 ParseFEN(board, blackPlaysFirst, fen)
14843 int *blackPlaysFirst;
14853 /* [HGM] by default clear Crazyhouse holdings, if present */
14854 if(gameInfo.holdingsWidth) {
14855 for(i=0; i<BOARD_HEIGHT; i++) {
14856 board[i][0] = EmptySquare; /* black holdings */
14857 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
14858 board[i][1] = (ChessSquare) 0; /* black counts */
14859 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
14863 /* Piece placement data */
14864 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14867 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
14868 if (*p == '/') p++;
14869 emptycount = gameInfo.boardWidth - j;
14870 while (emptycount--)
14871 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14873 #if(BOARD_FILES >= 10)
14874 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
14875 p++; emptycount=10;
14876 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14877 while (emptycount--)
14878 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14880 } else if (isdigit(*p)) {
14881 emptycount = *p++ - '0';
14882 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
14883 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14884 while (emptycount--)
14885 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14886 } else if (*p == '+' || isalpha(*p)) {
14887 if (j >= gameInfo.boardWidth) return FALSE;
14889 piece = CharToPiece(*++p);
14890 if(piece == EmptySquare) return FALSE; /* unknown piece */
14891 piece = (ChessSquare) (PROMOTED piece ); p++;
14892 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
14893 } else piece = CharToPiece(*p++);
14895 if(piece==EmptySquare) return FALSE; /* unknown piece */
14896 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
14897 piece = (ChessSquare) (PROMOTED piece);
14898 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
14901 board[i][(j++)+gameInfo.holdingsWidth] = piece;
14907 while (*p == '/' || *p == ' ') p++;
14909 /* [HGM] look for Crazyhouse holdings here */
14910 while(*p==' ') p++;
14911 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
14913 if(*p == '-' ) p++; /* empty holdings */ else {
14914 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
14915 /* if we would allow FEN reading to set board size, we would */
14916 /* have to add holdings and shift the board read so far here */
14917 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
14919 if((int) piece >= (int) BlackPawn ) {
14920 i = (int)piece - (int)BlackPawn;
14921 i = PieceToNumber((ChessSquare)i);
14922 if( i >= gameInfo.holdingsSize ) return FALSE;
14923 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
14924 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
14926 i = (int)piece - (int)WhitePawn;
14927 i = PieceToNumber((ChessSquare)i);
14928 if( i >= gameInfo.holdingsSize ) return FALSE;
14929 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
14930 board[i][BOARD_WIDTH-2]++; /* black holdings */
14937 while(*p == ' ') p++;
14941 if(appData.colorNickNames) {
14942 if( c == appData.colorNickNames[0] ) c = 'w'; else
14943 if( c == appData.colorNickNames[1] ) c = 'b';
14947 *blackPlaysFirst = FALSE;
14950 *blackPlaysFirst = TRUE;
14956 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
14957 /* return the extra info in global variiables */
14959 /* set defaults in case FEN is incomplete */
14960 board[EP_STATUS] = EP_UNKNOWN;
14961 for(i=0; i<nrCastlingRights; i++ ) {
14962 board[CASTLING][i] =
14963 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
14964 } /* assume possible unless obviously impossible */
14965 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
14966 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
14967 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
14968 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
14969 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
14970 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
14971 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
14972 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
14975 while(*p==' ') p++;
14976 if(nrCastlingRights) {
14977 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
14978 /* castling indicator present, so default becomes no castlings */
14979 for(i=0; i<nrCastlingRights; i++ ) {
14980 board[CASTLING][i] = NoRights;
14983 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
14984 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
14985 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
14986 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
14987 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
14989 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
14990 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
14991 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
14993 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
14994 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
14995 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
14996 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
14997 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
14998 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
15001 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
15002 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
15003 board[CASTLING][2] = whiteKingFile;
15006 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
15007 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
15008 board[CASTLING][2] = whiteKingFile;
15011 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
15012 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
15013 board[CASTLING][5] = blackKingFile;
15016 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
15017 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
15018 board[CASTLING][5] = blackKingFile;
15021 default: /* FRC castlings */
15022 if(c >= 'a') { /* black rights */
15023 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15024 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
15025 if(i == BOARD_RGHT) break;
15026 board[CASTLING][5] = i;
15028 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
15029 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
15031 board[CASTLING][3] = c;
15033 board[CASTLING][4] = c;
15034 } else { /* white rights */
15035 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15036 if(board[0][i] == WhiteKing) break;
15037 if(i == BOARD_RGHT) break;
15038 board[CASTLING][2] = i;
15039 c -= AAA - 'a' + 'A';
15040 if(board[0][c] >= WhiteKing) break;
15042 board[CASTLING][0] = c;
15044 board[CASTLING][1] = c;
15048 for(i=0; i<nrCastlingRights; i++)
15049 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
15050 if (appData.debugMode) {
15051 fprintf(debugFP, "FEN castling rights:");
15052 for(i=0; i<nrCastlingRights; i++)
15053 fprintf(debugFP, " %d", board[CASTLING][i]);
15054 fprintf(debugFP, "\n");
15057 while(*p==' ') p++;
15060 /* read e.p. field in games that know e.p. capture */
15061 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
15062 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
15064 p++; board[EP_STATUS] = EP_NONE;
15066 char c = *p++ - AAA;
15068 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
15069 if(*p >= '0' && *p <='9') p++;
15070 board[EP_STATUS] = c;
15075 if(sscanf(p, "%d", &i) == 1) {
15076 FENrulePlies = i; /* 50-move ply counter */
15077 /* (The move number is still ignored) */
15084 EditPositionPasteFEN(char *fen)
15087 Board initial_position;
15089 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
15090 DisplayError(_("Bad FEN position in clipboard"), 0);
15093 int savedBlackPlaysFirst = blackPlaysFirst;
15094 EditPositionEvent();
15095 blackPlaysFirst = savedBlackPlaysFirst;
15096 CopyBoard(boards[0], initial_position);
15097 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
15098 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
15099 DisplayBothClocks();
15100 DrawPosition(FALSE, boards[currentMove]);
15105 static char cseq[12] = "\\ ";
15107 Boolean set_cont_sequence(char *new_seq)
15112 // handle bad attempts to set the sequence
15114 return 0; // acceptable error - no debug
15116 len = strlen(new_seq);
15117 ret = (len > 0) && (len < sizeof(cseq));
15119 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
15120 else if (appData.debugMode)
15121 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
15126 reformat a source message so words don't cross the width boundary. internal
15127 newlines are not removed. returns the wrapped size (no null character unless
15128 included in source message). If dest is NULL, only calculate the size required
15129 for the dest buffer. lp argument indicats line position upon entry, and it's
15130 passed back upon exit.
15132 int wrap(char *dest, char *src, int count, int width, int *lp)
15134 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
15136 cseq_len = strlen(cseq);
15137 old_line = line = *lp;
15138 ansi = len = clen = 0;
15140 for (i=0; i < count; i++)
15142 if (src[i] == '\033')
15145 // if we hit the width, back up
15146 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
15148 // store i & len in case the word is too long
15149 old_i = i, old_len = len;
15151 // find the end of the last word
15152 while (i && src[i] != ' ' && src[i] != '\n')
15158 // word too long? restore i & len before splitting it
15159 if ((old_i-i+clen) >= width)
15166 if (i && src[i-1] == ' ')
15169 if (src[i] != ' ' && src[i] != '\n')
15176 // now append the newline and continuation sequence
15181 strncpy(dest+len, cseq, cseq_len);
15189 dest[len] = src[i];
15193 if (src[i] == '\n')
15198 if (dest && appData.debugMode)
15200 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
15201 count, width, line, len, *lp);
15202 show_bytes(debugFP, src, count);
15203 fprintf(debugFP, "\ndest: ");
15204 show_bytes(debugFP, dest, len);
15205 fprintf(debugFP, "\n");
15207 *lp = dest ? line : old_line;
15212 // [HGM] vari: routines for shelving variations
15215 PushTail(int firstMove, int lastMove)
15217 int i, j, nrMoves = lastMove - firstMove;
15219 if(appData.icsActive) { // only in local mode
15220 forwardMostMove = currentMove; // mimic old ICS behavior
15223 if(storedGames >= MAX_VARIATIONS-1) return;
15225 // push current tail of game on stack
15226 savedResult[storedGames] = gameInfo.result;
15227 savedDetails[storedGames] = gameInfo.resultDetails;
15228 gameInfo.resultDetails = NULL;
15229 savedFirst[storedGames] = firstMove;
15230 savedLast [storedGames] = lastMove;
15231 savedFramePtr[storedGames] = framePtr;
15232 framePtr -= nrMoves; // reserve space for the boards
15233 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
15234 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
15235 for(j=0; j<MOVE_LEN; j++)
15236 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
15237 for(j=0; j<2*MOVE_LEN; j++)
15238 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
15239 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
15240 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
15241 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
15242 pvInfoList[firstMove+i-1].depth = 0;
15243 commentList[framePtr+i] = commentList[firstMove+i];
15244 commentList[firstMove+i] = NULL;
15248 forwardMostMove = firstMove; // truncate game so we can start variation
15249 if(storedGames == 1) GreyRevert(FALSE);
15253 PopTail(Boolean annotate)
15256 char buf[8000], moveBuf[20];
15258 if(appData.icsActive) return FALSE; // only in local mode
15259 if(!storedGames) return FALSE; // sanity
15260 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
15263 ToNrEvent(savedFirst[storedGames]); // sets currentMove
15264 nrMoves = savedLast[storedGames] - currentMove;
15267 if(!WhiteOnMove(currentMove))
15268 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
15269 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
15270 for(i=currentMove; i<forwardMostMove; i++) {
15272 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
15273 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
15274 strcat(buf, moveBuf);
15275 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
15276 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
15280 for(i=1; i<=nrMoves; i++) { // copy last variation back
15281 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
15282 for(j=0; j<MOVE_LEN; j++)
15283 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
15284 for(j=0; j<2*MOVE_LEN; j++)
15285 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
15286 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
15287 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
15288 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
15289 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
15290 commentList[currentMove+i] = commentList[framePtr+i];
15291 commentList[framePtr+i] = NULL;
15293 if(annotate) AppendComment(currentMove+1, buf, FALSE);
15294 framePtr = savedFramePtr[storedGames];
15295 gameInfo.result = savedResult[storedGames];
15296 if(gameInfo.resultDetails != NULL) {
15297 free(gameInfo.resultDetails);
15299 gameInfo.resultDetails = savedDetails[storedGames];
15300 forwardMostMove = currentMove + nrMoves;
15301 if(storedGames == 0) GreyRevert(TRUE);
15307 { // remove all shelved variations
15309 for(i=0; i<storedGames; i++) {
15310 if(savedDetails[i])
15311 free(savedDetails[i]);
15312 savedDetails[i] = NULL;
15314 for(i=framePtr; i<MAX_MOVES; i++) {
15315 if(commentList[i]) free(commentList[i]);
15316 commentList[i] = NULL;
15318 framePtr = MAX_MOVES-1;
15323 LoadVariation(int index, char *text)
15324 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
15325 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
15326 int level = 0, move;
15328 if(gameMode != EditGame && gameMode != AnalyzeMode) return;
15329 // first find outermost bracketing variation
15330 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
15331 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
15332 if(*p == '{') wait = '}'; else
15333 if(*p == '[') wait = ']'; else
15334 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
15335 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
15337 if(*p == wait) wait = NULLCHAR; // closing ]} found
15340 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
15341 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
15342 end[1] = NULLCHAR; // clip off comment beyond variation
15343 ToNrEvent(currentMove-1);
15344 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
15345 // kludge: use ParsePV() to append variation to game
15346 move = currentMove;
15347 ParsePV(start, TRUE);
15348 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
15349 ClearPremoveHighlights();
15351 ToNrEvent(currentMove+1);