2 * backend.c -- Common back end for X and Windows NT versions of
4 * Copyright 1991 by Digital Equipment Corporation, Maynard,
7 * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
8 * 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
10 * Enhancements Copyright 2005 Alessandro Scotti
12 * The following terms apply to Digital Equipment Corporation's copyright
14 * ------------------------------------------------------------------------
17 * Permission to use, copy, modify, and distribute this software and its
18 * documentation for any purpose and without fee is hereby granted,
19 * provided that the above copyright notice appear in all copies and that
20 * both that copyright notice and this permission notice appear in
21 * supporting documentation, and that the name of Digital not be
22 * used in advertising or publicity pertaining to distribution of the
23 * software without specific, written prior permission.
25 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
26 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
27 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
28 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
29 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
30 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
32 * ------------------------------------------------------------------------
34 * The following terms apply to the enhanced version of XBoard
35 * distributed by the Free Software Foundation:
36 * ------------------------------------------------------------------------
38 * GNU XBoard is free software: you can redistribute it and/or modify
39 * it under the terms of the GNU General Public License as published by
40 * the Free Software Foundation, either version 3 of the License, or (at
41 * your option) any later version.
43 * GNU XBoard is distributed in the hope that it will be useful, but
44 * WITHOUT ANY WARRANTY; without even the implied warranty of
45 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
46 * General Public License for more details.
48 * You should have received a copy of the GNU General Public License
49 * along with this program. If not, see http://www.gnu.org/licenses/. *
51 *------------------------------------------------------------------------
52 ** See the file ChangeLog for a revision history. */
54 /* [AS] Also useful here for debugging */
58 #define DoSleep( n ) if( (n) != 0 ) Sleep( (n) );
62 #define DoSleep( n ) if( (n) >= 0) sleep(n)
72 #include <sys/types.h>
81 #else /* not STDC_HEADERS */
84 # else /* not HAVE_STRING_H */
86 # endif /* not HAVE_STRING_H */
87 #endif /* not STDC_HEADERS */
90 # include <sys/fcntl.h>
91 #else /* not HAVE_SYS_FCNTL_H */
94 # endif /* HAVE_FCNTL_H */
95 #endif /* not HAVE_SYS_FCNTL_H */
97 #if TIME_WITH_SYS_TIME
98 # include <sys/time.h>
102 # include <sys/time.h>
108 #if defined(_amigados) && !defined(__GNUC__)
113 extern int gettimeofday(struct timeval *, struct timezone *);
121 #include "frontend.h"
128 #include "backendz.h"
132 # define _(s) gettext (s)
133 # define N_(s) gettext_noop (s)
134 # define T_(s) gettext(s)
147 /* A point in time */
149 long sec; /* Assuming this is >= 32 bits */
150 int ms; /* Assuming this is >= 16 bits */
153 int establish P((void));
154 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
155 char *buf, int count, int error));
156 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
157 char *buf, int count, int error));
158 void ics_printf P((char *format, ...));
159 void SendToICS P((char *s));
160 void SendToICSDelayed P((char *s, long msdelay));
161 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
162 void HandleMachineMove P((char *message, ChessProgramState *cps));
163 int AutoPlayOneMove P((void));
164 int LoadGameOneMove P((ChessMove readAhead));
165 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
166 int LoadPositionFromFile P((char *filename, int n, char *title));
167 int SavePositionToFile P((char *filename));
168 void ApplyMove P((int fromX, int fromY, int toX, int toY, int promoChar,
170 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
171 void ShowMove P((int fromX, int fromY, int toX, int toY));
172 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
173 /*char*/int promoChar));
174 void BackwardInner P((int target));
175 void ForwardInner P((int target));
176 int Adjudicate P((ChessProgramState *cps));
177 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
178 void EditPositionDone P((Boolean fakeRights));
179 void PrintOpponents P((FILE *fp));
180 void PrintPosition P((FILE *fp, int move));
181 void StartChessProgram P((ChessProgramState *cps));
182 void SendToProgram P((char *message, ChessProgramState *cps));
183 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
184 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
185 char *buf, int count, int error));
186 void SendTimeControl P((ChessProgramState *cps,
187 int mps, long tc, int inc, int sd, int st));
188 char *TimeControlTagValue P((void));
189 void Attention P((ChessProgramState *cps));
190 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
191 void ResurrectChessProgram P((void));
192 void DisplayComment P((int moveNumber, char *text));
193 void DisplayMove P((int moveNumber));
195 void ParseGameHistory P((char *game));
196 void ParseBoard12 P((char *string));
197 void KeepAlive P((void));
198 void StartClocks P((void));
199 void SwitchClocks P((int nr));
200 void StopClocks P((void));
201 void ResetClocks P((void));
202 char *PGNDate P((void));
203 void SetGameInfo P((void));
204 Boolean ParseFEN P((Board board, int *blackPlaysFirst, char *fen));
205 int RegisterMove P((void));
206 void MakeRegisteredMove P((void));
207 void TruncateGame P((void));
208 int looking_at P((char *, int *, char *));
209 void CopyPlayerNameIntoFileName P((char **, char *));
210 char *SavePart P((char *));
211 int SaveGameOldStyle P((FILE *));
212 int SaveGamePGN P((FILE *));
213 void GetTimeMark P((TimeMark *));
214 long SubtractTimeMarks P((TimeMark *, TimeMark *));
215 int CheckFlags P((void));
216 long NextTickLength P((long));
217 void CheckTimeControl P((void));
218 void show_bytes P((FILE *, char *, int));
219 int string_to_rating P((char *str));
220 void ParseFeatures P((char* args, ChessProgramState *cps));
221 void InitBackEnd3 P((void));
222 void FeatureDone P((ChessProgramState* cps, int val));
223 void InitChessProgram P((ChessProgramState *cps, int setup));
224 void OutputKibitz(int window, char *text);
225 int PerpetualChase(int first, int last);
226 int EngineOutputIsUp();
227 void InitDrawingSizes(int x, int y);
230 extern void ConsoleCreate();
233 ChessProgramState *WhitePlayer();
234 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
235 int VerifyDisplayMode P(());
237 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
238 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
239 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
240 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
241 void ics_update_width P((int new_width));
242 extern char installDir[MSG_SIZ];
243 VariantClass startVariant; /* [HGM] nicks: initial variant */
245 extern int tinyLayout, smallLayout;
246 ChessProgramStats programStats;
247 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
249 static int exiting = 0; /* [HGM] moved to top */
250 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
251 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
252 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
253 int partnerHighlight[2];
254 Boolean partnerBoardValid = 0;
255 char partnerStatus[MSG_SIZ];
257 Boolean originalFlip;
258 Boolean twoBoards = 0;
259 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
260 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
261 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
262 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
263 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
264 int opponentKibitzes;
265 int lastSavedGame; /* [HGM] save: ID of game */
266 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
267 extern int chatCount;
269 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
271 /* States for ics_getting_history */
273 #define H_REQUESTED 1
274 #define H_GOT_REQ_HEADER 2
275 #define H_GOT_UNREQ_HEADER 3
276 #define H_GETTING_MOVES 4
277 #define H_GOT_UNWANTED_HEADER 5
279 /* whosays values for GameEnds */
288 /* Maximum number of games in a cmail message */
289 #define CMAIL_MAX_GAMES 20
291 /* Different types of move when calling RegisterMove */
293 #define CMAIL_RESIGN 1
295 #define CMAIL_ACCEPT 3
297 /* Different types of result to remember for each game */
298 #define CMAIL_NOT_RESULT 0
299 #define CMAIL_OLD_RESULT 1
300 #define CMAIL_NEW_RESULT 2
302 /* Telnet protocol constants */
313 safeStrCpy( char *dst, const char *src, size_t count )
315 /* see for example: https://buildsecurityin.us-cert.gov/bsi-rules/home/g1/854-BSI.html
317 * usage: safeStrCpy( stringA, stringB, sizeof(stringA)/sizeof(stringA[0]);
320 assert( dst != NULL );
321 assert( src != NULL );
324 strncpy( dst, src, count );
325 if( dst[ count-1 ] != '\0' )
327 if(appData.debugMode)
328 printf("safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst,count);
330 dst[ count-1 ] = '\0';
335 /* Some compiler can't cast u64 to double
336 * This function do the job for us:
338 * We use the highest bit for cast, this only
339 * works if the highest bit is not
340 * in use (This should not happen)
342 * We used this for all compiler
345 u64ToDouble(u64 value)
348 u64 tmp = value & u64Const(0x7fffffffffffffff);
349 r = (double)(s64)tmp;
350 if (value & u64Const(0x8000000000000000))
351 r += 9.2233720368547758080e18; /* 2^63 */
355 /* Fake up flags for now, as we aren't keeping track of castling
356 availability yet. [HGM] Change of logic: the flag now only
357 indicates the type of castlings allowed by the rule of the game.
358 The actual rights themselves are maintained in the array
359 castlingRights, as part of the game history, and are not probed
365 int flags = F_ALL_CASTLE_OK;
366 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
367 switch (gameInfo.variant) {
369 flags &= ~F_ALL_CASTLE_OK;
370 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
371 flags |= F_IGNORE_CHECK;
373 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
376 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
378 case VariantKriegspiel:
379 flags |= F_KRIEGSPIEL_CAPTURE;
381 case VariantCapaRandom:
382 case VariantFischeRandom:
383 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
384 case VariantNoCastle:
385 case VariantShatranj:
388 flags &= ~F_ALL_CASTLE_OK;
396 FILE *gameFileFP, *debugFP;
399 [AS] Note: sometimes, the sscanf() function is used to parse the input
400 into a fixed-size buffer. Because of this, we must be prepared to
401 receive strings as long as the size of the input buffer, which is currently
402 set to 4K for Windows and 8K for the rest.
403 So, we must either allocate sufficiently large buffers here, or
404 reduce the size of the input buffer in the input reading part.
407 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
408 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
409 char thinkOutput1[MSG_SIZ*10];
411 ChessProgramState first, second;
413 /* premove variables */
416 int premoveFromX = 0;
417 int premoveFromY = 0;
418 int premovePromoChar = 0;
420 Boolean alarmSounded;
421 /* end premove variables */
423 char *ics_prefix = "$";
424 int ics_type = ICS_GENERIC;
426 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
427 int pauseExamForwardMostMove = 0;
428 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
429 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
430 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
431 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
432 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
433 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
434 int whiteFlag = FALSE, blackFlag = FALSE;
435 int userOfferedDraw = FALSE;
436 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
437 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
438 int cmailMoveType[CMAIL_MAX_GAMES];
439 long ics_clock_paused = 0;
440 ProcRef icsPR = NoProc, cmailPR = NoProc;
441 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
442 GameMode gameMode = BeginningOfGame;
443 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
444 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
445 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
446 int hiddenThinkOutputState = 0; /* [AS] */
447 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
448 int adjudicateLossPlies = 6;
449 char white_holding[64], black_holding[64];
450 TimeMark lastNodeCountTime;
451 long lastNodeCount=0;
453 int have_sent_ICS_logon = 0;
454 int sending_ICS_login = 0;
455 int sending_ICS_password = 0;
458 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
459 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack;
460 long timeControl_2; /* [AS] Allow separate time controls */
461 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC; /* [HGM] secondary TC: merge of MPS, TC and inc */
462 long timeRemaining[2][MAX_MOVES];
464 TimeMark programStartTime;
465 char ics_handle[MSG_SIZ];
466 int have_set_title = 0;
468 /* animateTraining preserves the state of appData.animate
469 * when Training mode is activated. This allows the
470 * response to be animated when appData.animate == TRUE and
471 * appData.animateDragging == TRUE.
473 Boolean animateTraining;
479 Board boards[MAX_MOVES];
480 /* [HGM] Following 7 needed for accurate legality tests: */
481 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
482 signed char initialRights[BOARD_FILES];
483 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
484 int initialRulePlies, FENrulePlies;
485 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
488 int mute; // mute all sounds
490 // [HGM] vari: next 12 to save and restore variations
491 #define MAX_VARIATIONS 10
492 int framePtr = MAX_MOVES-1; // points to free stack entry
494 int savedFirst[MAX_VARIATIONS];
495 int savedLast[MAX_VARIATIONS];
496 int savedFramePtr[MAX_VARIATIONS];
497 char *savedDetails[MAX_VARIATIONS];
498 ChessMove savedResult[MAX_VARIATIONS];
500 void PushTail P((int firstMove, int lastMove));
501 Boolean PopTail P((Boolean annotate));
502 void CleanupTail P((void));
504 ChessSquare FIDEArray[2][BOARD_FILES] = {
505 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
506 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
507 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
508 BlackKing, BlackBishop, BlackKnight, BlackRook }
511 ChessSquare twoKingsArray[2][BOARD_FILES] = {
512 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
513 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
514 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
515 BlackKing, BlackKing, BlackKnight, BlackRook }
518 ChessSquare KnightmateArray[2][BOARD_FILES] = {
519 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
520 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
521 { BlackRook, BlackMan, BlackBishop, BlackQueen,
522 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
525 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
526 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
527 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
528 { BlackLance, BlackAlfil, BlackMarshall, BlackAngel,
529 BlackKing, BlackMarshall, BlackAlfil, BlackLance }
532 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
533 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
534 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
535 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
536 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
539 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
540 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
541 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
542 { BlackRook, BlackKnight, BlackMan, BlackFerz,
543 BlackKing, BlackMan, BlackKnight, BlackRook }
547 #if (BOARD_FILES>=10)
548 ChessSquare ShogiArray[2][BOARD_FILES] = {
549 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
550 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
551 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
552 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
555 ChessSquare XiangqiArray[2][BOARD_FILES] = {
556 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
557 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
558 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
559 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
562 ChessSquare CapablancaArray[2][BOARD_FILES] = {
563 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
564 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
565 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
566 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
569 ChessSquare GreatArray[2][BOARD_FILES] = {
570 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
571 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
572 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
573 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
576 ChessSquare JanusArray[2][BOARD_FILES] = {
577 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
578 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
579 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
580 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
584 ChessSquare GothicArray[2][BOARD_FILES] = {
585 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
586 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
587 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
588 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
591 #define GothicArray CapablancaArray
595 ChessSquare FalconArray[2][BOARD_FILES] = {
596 { WhiteRook, WhiteKnight, WhiteBishop, WhiteLance, WhiteQueen,
597 WhiteKing, WhiteLance, WhiteBishop, WhiteKnight, WhiteRook },
598 { BlackRook, BlackKnight, BlackBishop, BlackLance, BlackQueen,
599 BlackKing, BlackLance, BlackBishop, BlackKnight, BlackRook }
602 #define FalconArray CapablancaArray
605 #else // !(BOARD_FILES>=10)
606 #define XiangqiPosition FIDEArray
607 #define CapablancaArray FIDEArray
608 #define GothicArray FIDEArray
609 #define GreatArray FIDEArray
610 #endif // !(BOARD_FILES>=10)
612 #if (BOARD_FILES>=12)
613 ChessSquare CourierArray[2][BOARD_FILES] = {
614 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
615 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
616 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
617 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
619 #else // !(BOARD_FILES>=12)
620 #define CourierArray CapablancaArray
621 #endif // !(BOARD_FILES>=12)
624 Board initialPosition;
627 /* Convert str to a rating. Checks for special cases of "----",
629 "++++", etc. Also strips ()'s */
631 string_to_rating(str)
634 while(*str && !isdigit(*str)) ++str;
636 return 0; /* One of the special "no rating" cases */
644 /* Init programStats */
645 programStats.movelist[0] = 0;
646 programStats.depth = 0;
647 programStats.nr_moves = 0;
648 programStats.moves_left = 0;
649 programStats.nodes = 0;
650 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
651 programStats.score = 0;
652 programStats.got_only_move = 0;
653 programStats.got_fail = 0;
654 programStats.line_is_book = 0;
660 int matched, min, sec;
662 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
663 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
665 GetTimeMark(&programStartTime);
666 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
669 programStats.ok_to_send = 1;
670 programStats.seen_stat = 0;
673 * Initialize game list
679 * Internet chess server status
681 if (appData.icsActive) {
682 appData.matchMode = FALSE;
683 appData.matchGames = 0;
685 appData.noChessProgram = !appData.zippyPlay;
687 appData.zippyPlay = FALSE;
688 appData.zippyTalk = FALSE;
689 appData.noChessProgram = TRUE;
691 if (*appData.icsHelper != NULLCHAR) {
692 appData.useTelnet = TRUE;
693 appData.telnetProgram = appData.icsHelper;
696 appData.zippyTalk = appData.zippyPlay = FALSE;
699 /* [AS] Initialize pv info list [HGM] and game state */
703 for( i=0; i<=framePtr; i++ ) {
704 pvInfoList[i].depth = -1;
705 boards[i][EP_STATUS] = EP_NONE;
706 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
711 * Parse timeControl resource
713 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
714 appData.movesPerSession)) {
716 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
717 DisplayFatalError(buf, 0, 2);
721 * Parse searchTime resource
723 if (*appData.searchTime != NULLCHAR) {
724 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
726 searchTime = min * 60;
727 } else if (matched == 2) {
728 searchTime = min * 60 + sec;
731 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
732 DisplayFatalError(buf, 0, 2);
736 /* [AS] Adjudication threshold */
737 adjudicateLossThreshold = appData.adjudicateLossThreshold;
739 first.which = _("first");
740 second.which = _("second");
741 first.maybeThinking = second.maybeThinking = FALSE;
742 first.pr = second.pr = NoProc;
743 first.isr = second.isr = NULL;
744 first.sendTime = second.sendTime = 2;
745 first.sendDrawOffers = 1;
746 if (appData.firstPlaysBlack) {
747 first.twoMachinesColor = "black\n";
748 second.twoMachinesColor = "white\n";
750 first.twoMachinesColor = "white\n";
751 second.twoMachinesColor = "black\n";
753 first.program = appData.firstChessProgram;
754 second.program = appData.secondChessProgram;
755 first.host = appData.firstHost;
756 second.host = appData.secondHost;
757 first.dir = appData.firstDirectory;
758 second.dir = appData.secondDirectory;
759 first.other = &second;
760 second.other = &first;
761 first.initString = appData.initString;
762 second.initString = appData.secondInitString;
763 first.computerString = appData.firstComputerString;
764 second.computerString = appData.secondComputerString;
765 first.useSigint = second.useSigint = TRUE;
766 first.useSigterm = second.useSigterm = TRUE;
767 first.reuse = appData.reuseFirst;
768 second.reuse = appData.reuseSecond;
769 first.nps = appData.firstNPS; // [HGM] nps: copy nodes per second
770 second.nps = appData.secondNPS;
771 first.useSetboard = second.useSetboard = FALSE;
772 first.useSAN = second.useSAN = FALSE;
773 first.usePing = second.usePing = FALSE;
774 first.lastPing = second.lastPing = 0;
775 first.lastPong = second.lastPong = 0;
776 first.usePlayother = second.usePlayother = FALSE;
777 first.useColors = second.useColors = TRUE;
778 first.useUsermove = second.useUsermove = FALSE;
779 first.sendICS = second.sendICS = FALSE;
780 first.sendName = second.sendName = appData.icsActive;
781 first.sdKludge = second.sdKludge = FALSE;
782 first.stKludge = second.stKludge = FALSE;
783 TidyProgramName(first.program, first.host, first.tidy);
784 TidyProgramName(second.program, second.host, second.tidy);
785 first.matchWins = second.matchWins = 0;
786 safeStrCpy(first.variants, appData.variant, sizeof(first.variants)/sizeof(first.variants[0]));
787 safeStrCpy(second.variants, appData.variant,sizeof(second.variants)/sizeof(second.variants[0]));
788 first.analysisSupport = second.analysisSupport = 2; /* detect */
789 first.analyzing = second.analyzing = FALSE;
790 first.initDone = second.initDone = FALSE;
792 /* New features added by Tord: */
793 first.useFEN960 = FALSE; second.useFEN960 = FALSE;
794 first.useOOCastle = TRUE; second.useOOCastle = TRUE;
795 /* End of new features added by Tord. */
796 first.fenOverride = appData.fenOverride1;
797 second.fenOverride = appData.fenOverride2;
799 /* [HGM] time odds: set factor for each machine */
800 first.timeOdds = appData.firstTimeOdds;
801 second.timeOdds = appData.secondTimeOdds;
803 if(appData.timeOddsMode) {
804 norm = first.timeOdds;
805 if(norm > second.timeOdds) norm = second.timeOdds;
807 first.timeOdds /= norm;
808 second.timeOdds /= norm;
811 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
812 first.accumulateTC = appData.firstAccumulateTC;
813 second.accumulateTC = appData.secondAccumulateTC;
814 first.maxNrOfSessions = second.maxNrOfSessions = 1;
817 first.debug = second.debug = FALSE;
818 first.supportsNPS = second.supportsNPS = UNKNOWN;
821 first.optionSettings = appData.firstOptions;
822 second.optionSettings = appData.secondOptions;
824 first.scoreIsAbsolute = appData.firstScoreIsAbsolute; /* [AS] */
825 second.scoreIsAbsolute = appData.secondScoreIsAbsolute; /* [AS] */
826 first.isUCI = appData.firstIsUCI; /* [AS] */
827 second.isUCI = appData.secondIsUCI; /* [AS] */
828 first.hasOwnBookUCI = appData.firstHasOwnBookUCI; /* [AS] */
829 second.hasOwnBookUCI = appData.secondHasOwnBookUCI; /* [AS] */
831 if (appData.firstProtocolVersion > PROTOVER
832 || appData.firstProtocolVersion < 1)
837 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
838 appData.firstProtocolVersion);
839 if( (len > MSG_SIZ) && appData.debugMode )
840 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
842 DisplayFatalError(buf, 0, 2);
846 first.protocolVersion = appData.firstProtocolVersion;
849 if (appData.secondProtocolVersion > PROTOVER
850 || appData.secondProtocolVersion < 1)
855 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
856 appData.secondProtocolVersion);
857 if( (len > MSG_SIZ) && appData.debugMode )
858 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
860 DisplayFatalError(buf, 0, 2);
864 second.protocolVersion = appData.secondProtocolVersion;
867 if (appData.icsActive) {
868 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
869 // } else if (*appData.searchTime != NULLCHAR || appData.noChessProgram) {
870 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
871 appData.clockMode = FALSE;
872 first.sendTime = second.sendTime = 0;
876 /* Override some settings from environment variables, for backward
877 compatibility. Unfortunately it's not feasible to have the env
878 vars just set defaults, at least in xboard. Ugh.
880 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
885 if (appData.noChessProgram) {
886 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
887 sprintf(programVersion, "%s", PACKAGE_STRING);
889 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
890 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
891 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
894 if (!appData.icsActive) {
898 /* Check for variants that are supported only in ICS mode,
899 or not at all. Some that are accepted here nevertheless
900 have bugs; see comments below.
902 VariantClass variant = StringToVariant(appData.variant);
904 case VariantBughouse: /* need four players and two boards */
905 case VariantKriegspiel: /* need to hide pieces and move details */
906 /* case VariantFischeRandom: (Fabien: moved below) */
907 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
908 if( (len > MSG_SIZ) && appData.debugMode )
909 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
911 DisplayFatalError(buf, 0, 2);
915 case VariantLoadable:
925 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
926 if( (len > MSG_SIZ) && appData.debugMode )
927 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
929 DisplayFatalError(buf, 0, 2);
932 case VariantXiangqi: /* [HGM] repetition rules not implemented */
933 case VariantFairy: /* [HGM] TestLegality definitely off! */
934 case VariantGothic: /* [HGM] should work */
935 case VariantCapablanca: /* [HGM] should work */
936 case VariantCourier: /* [HGM] initial forced moves not implemented */
937 case VariantShogi: /* [HGM] could still mate with pawn drop */
938 case VariantKnightmate: /* [HGM] should work */
939 case VariantCylinder: /* [HGM] untested */
940 case VariantFalcon: /* [HGM] untested */
941 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
942 offboard interposition not understood */
943 case VariantNormal: /* definitely works! */
944 case VariantWildCastle: /* pieces not automatically shuffled */
945 case VariantNoCastle: /* pieces not automatically shuffled */
946 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
947 case VariantLosers: /* should work except for win condition,
948 and doesn't know captures are mandatory */
949 case VariantSuicide: /* should work except for win condition,
950 and doesn't know captures are mandatory */
951 case VariantGiveaway: /* should work except for win condition,
952 and doesn't know captures are mandatory */
953 case VariantTwoKings: /* should work */
954 case VariantAtomic: /* should work except for win condition */
955 case Variant3Check: /* should work except for win condition */
956 case VariantShatranj: /* should work except for all win conditions */
957 case VariantMakruk: /* should work except for daw countdown */
958 case VariantBerolina: /* might work if TestLegality is off */
959 case VariantCapaRandom: /* should work */
960 case VariantJanus: /* should work */
961 case VariantSuper: /* experimental */
962 case VariantGreat: /* experimental, requires legality testing to be off */
967 InitEngineUCI( installDir, &first ); // [HGM] moved here from winboard.c, to make available in xboard
968 InitEngineUCI( installDir, &second );
971 int NextIntegerFromString( char ** str, long * value )
976 while( *s == ' ' || *s == '\t' ) {
982 if( *s >= '0' && *s <= '9' ) {
983 while( *s >= '0' && *s <= '9' ) {
984 *value = *value * 10 + (*s - '0');
996 int NextTimeControlFromString( char ** str, long * value )
999 int result = NextIntegerFromString( str, &temp );
1002 *value = temp * 60; /* Minutes */
1003 if( **str == ':' ) {
1005 result = NextIntegerFromString( str, &temp );
1006 *value += temp; /* Seconds */
1013 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc, int *incType)
1014 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1015 int result = -1, type = 0; long temp, temp2;
1017 if(**str != ':') return -1; // old params remain in force!
1019 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1020 if( NextIntegerFromString( str, &temp ) ) return -1;
1021 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1024 /* time only: incremental or sudden-death time control */
1025 if(**str == '+') { /* increment follows; read it */
1027 if(**str == '!') type = *(*str)++; // Bronstein TC
1028 if(result = NextIntegerFromString( str, &temp2)) return -1;
1029 *inc = temp2 * 1000;
1030 if(**str == '.') { // read fraction of increment
1031 char *start = ++(*str);
1032 if(result = NextIntegerFromString( str, &temp2)) return -1;
1034 while(start++ < *str) temp2 /= 10;
1038 *moves = 0; *tc = temp * 1000; *incType = type;
1042 (*str)++; /* classical time control */
1043 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1054 int GetTimeQuota(int movenr, int lastUsed, char *tcString)
1055 { /* [HGM] get time to add from the multi-session time-control string */
1056 int incType, moves=1; /* kludge to force reading of first session */
1057 long time, increment;
1060 if(!*s) return 0; // empty TC string means we ran out of the last sudden-death version
1061 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", tcString);
1063 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1064 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1065 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
1066 if(movenr == -1) return time; /* last move before new session */
1067 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1068 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1069 if(!moves) return increment; /* current session is incremental */
1070 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1071 } while(movenr >= -1); /* try again for next session */
1073 return 0; // no new time quota on this move
1077 ParseTimeControl(tc, ti, mps)
1084 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1088 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1089 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1090 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1094 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1096 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1099 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1101 snprintf(buf, MSG_SIZ, ":%s", mytc);
1103 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1105 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1110 /* Parse second time control */
1113 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1121 timeControl_2 = tc2 * 1000;
1131 timeControl = tc1 * 1000;
1134 timeIncrement = ti * 1000; /* convert to ms */
1135 movesPerSession = 0;
1138 movesPerSession = mps;
1146 if (appData.debugMode) {
1147 fprintf(debugFP, "%s\n", programVersion);
1150 set_cont_sequence(appData.wrapContSeq);
1151 if (appData.matchGames > 0) {
1152 appData.matchMode = TRUE;
1153 } else if (appData.matchMode) {
1154 appData.matchGames = 1;
1156 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1157 appData.matchGames = appData.sameColorGames;
1158 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1159 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1160 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1163 if (appData.noChessProgram || first.protocolVersion == 1) {
1166 /* kludge: allow timeout for initial "feature" commands */
1168 DisplayMessage("", _("Starting chess program"));
1169 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1174 InitBackEnd3 P((void))
1176 GameMode initialMode;
1180 InitChessProgram(&first, startedFromSetupPosition);
1182 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1183 free(programVersion);
1184 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1185 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1188 if (appData.icsActive) {
1190 /* [DM] Make a console window if needed [HGM] merged ifs */
1196 if (*appData.icsCommPort != NULLCHAR)
1197 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1198 appData.icsCommPort);
1200 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1201 appData.icsHost, appData.icsPort);
1203 if( (len > MSG_SIZ) && appData.debugMode )
1204 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1206 DisplayFatalError(buf, err, 1);
1211 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1213 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1214 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1215 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1216 } else if (appData.noChessProgram) {
1222 if (*appData.cmailGameName != NULLCHAR) {
1224 OpenLoopback(&cmailPR);
1226 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1230 DisplayMessage("", "");
1231 if (StrCaseCmp(appData.initialMode, "") == 0) {
1232 initialMode = BeginningOfGame;
1233 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1234 initialMode = TwoMachinesPlay;
1235 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1236 initialMode = AnalyzeFile;
1237 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1238 initialMode = AnalyzeMode;
1239 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1240 initialMode = MachinePlaysWhite;
1241 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1242 initialMode = MachinePlaysBlack;
1243 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1244 initialMode = EditGame;
1245 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1246 initialMode = EditPosition;
1247 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1248 initialMode = Training;
1250 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1251 if( (len > MSG_SIZ) && appData.debugMode )
1252 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1254 DisplayFatalError(buf, 0, 2);
1258 if (appData.matchMode) {
1259 /* Set up machine vs. machine match */
1260 if (appData.noChessProgram) {
1261 DisplayFatalError(_("Can't have a match with no chess programs"),
1267 if (*appData.loadGameFile != NULLCHAR) {
1268 int index = appData.loadGameIndex; // [HGM] autoinc
1269 if(index<0) lastIndex = index = 1;
1270 if (!LoadGameFromFile(appData.loadGameFile,
1272 appData.loadGameFile, FALSE)) {
1273 DisplayFatalError(_("Bad game file"), 0, 1);
1276 } else if (*appData.loadPositionFile != NULLCHAR) {
1277 int index = appData.loadPositionIndex; // [HGM] autoinc
1278 if(index<0) lastIndex = index = 1;
1279 if (!LoadPositionFromFile(appData.loadPositionFile,
1281 appData.loadPositionFile)) {
1282 DisplayFatalError(_("Bad position file"), 0, 1);
1287 } else if (*appData.cmailGameName != NULLCHAR) {
1288 /* Set up cmail mode */
1289 ReloadCmailMsgEvent(TRUE);
1291 /* Set up other modes */
1292 if (initialMode == AnalyzeFile) {
1293 if (*appData.loadGameFile == NULLCHAR) {
1294 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1298 if (*appData.loadGameFile != NULLCHAR) {
1299 (void) LoadGameFromFile(appData.loadGameFile,
1300 appData.loadGameIndex,
1301 appData.loadGameFile, TRUE);
1302 } else if (*appData.loadPositionFile != NULLCHAR) {
1303 (void) LoadPositionFromFile(appData.loadPositionFile,
1304 appData.loadPositionIndex,
1305 appData.loadPositionFile);
1306 /* [HGM] try to make self-starting even after FEN load */
1307 /* to allow automatic setup of fairy variants with wtm */
1308 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1309 gameMode = BeginningOfGame;
1310 setboardSpoiledMachineBlack = 1;
1312 /* [HGM] loadPos: make that every new game uses the setup */
1313 /* from file as long as we do not switch variant */
1314 if(!blackPlaysFirst) {
1315 startedFromPositionFile = TRUE;
1316 CopyBoard(filePosition, boards[0]);
1319 if (initialMode == AnalyzeMode) {
1320 if (appData.noChessProgram) {
1321 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1324 if (appData.icsActive) {
1325 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1329 } else if (initialMode == AnalyzeFile) {
1330 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1331 ShowThinkingEvent();
1333 AnalysisPeriodicEvent(1);
1334 } else if (initialMode == MachinePlaysWhite) {
1335 if (appData.noChessProgram) {
1336 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1340 if (appData.icsActive) {
1341 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1345 MachineWhiteEvent();
1346 } else if (initialMode == MachinePlaysBlack) {
1347 if (appData.noChessProgram) {
1348 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1352 if (appData.icsActive) {
1353 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1357 MachineBlackEvent();
1358 } else if (initialMode == TwoMachinesPlay) {
1359 if (appData.noChessProgram) {
1360 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1364 if (appData.icsActive) {
1365 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1370 } else if (initialMode == EditGame) {
1372 } else if (initialMode == EditPosition) {
1373 EditPositionEvent();
1374 } else if (initialMode == Training) {
1375 if (*appData.loadGameFile == NULLCHAR) {
1376 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1385 * Establish will establish a contact to a remote host.port.
1386 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1387 * used to talk to the host.
1388 * Returns 0 if okay, error code if not.
1395 if (*appData.icsCommPort != NULLCHAR) {
1396 /* Talk to the host through a serial comm port */
1397 return OpenCommPort(appData.icsCommPort, &icsPR);
1399 } else if (*appData.gateway != NULLCHAR) {
1400 if (*appData.remoteShell == NULLCHAR) {
1401 /* Use the rcmd protocol to run telnet program on a gateway host */
1402 snprintf(buf, sizeof(buf), "%s %s %s",
1403 appData.telnetProgram, appData.icsHost, appData.icsPort);
1404 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1407 /* Use the rsh program to run telnet program on a gateway host */
1408 if (*appData.remoteUser == NULLCHAR) {
1409 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1410 appData.gateway, appData.telnetProgram,
1411 appData.icsHost, appData.icsPort);
1413 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1414 appData.remoteShell, appData.gateway,
1415 appData.remoteUser, appData.telnetProgram,
1416 appData.icsHost, appData.icsPort);
1418 return StartChildProcess(buf, "", &icsPR);
1421 } else if (appData.useTelnet) {
1422 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1425 /* TCP socket interface differs somewhat between
1426 Unix and NT; handle details in the front end.
1428 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1432 void EscapeExpand(char *p, char *q)
1433 { // [HGM] initstring: routine to shape up string arguments
1434 while(*p++ = *q++) if(p[-1] == '\\')
1436 case 'n': p[-1] = '\n'; break;
1437 case 'r': p[-1] = '\r'; break;
1438 case 't': p[-1] = '\t'; break;
1439 case '\\': p[-1] = '\\'; break;
1440 case 0: *p = 0; return;
1441 default: p[-1] = q[-1]; break;
1446 show_bytes(fp, buf, count)
1452 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1453 fprintf(fp, "\\%03o", *buf & 0xff);
1462 /* Returns an errno value */
1464 OutputMaybeTelnet(pr, message, count, outError)
1470 char buf[8192], *p, *q, *buflim;
1471 int left, newcount, outcount;
1473 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1474 *appData.gateway != NULLCHAR) {
1475 if (appData.debugMode) {
1476 fprintf(debugFP, ">ICS: ");
1477 show_bytes(debugFP, message, count);
1478 fprintf(debugFP, "\n");
1480 return OutputToProcess(pr, message, count, outError);
1483 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1490 if (appData.debugMode) {
1491 fprintf(debugFP, ">ICS: ");
1492 show_bytes(debugFP, buf, newcount);
1493 fprintf(debugFP, "\n");
1495 outcount = OutputToProcess(pr, buf, newcount, outError);
1496 if (outcount < newcount) return -1; /* to be sure */
1503 } else if (((unsigned char) *p) == TN_IAC) {
1504 *q++ = (char) TN_IAC;
1511 if (appData.debugMode) {
1512 fprintf(debugFP, ">ICS: ");
1513 show_bytes(debugFP, buf, newcount);
1514 fprintf(debugFP, "\n");
1516 outcount = OutputToProcess(pr, buf, newcount, outError);
1517 if (outcount < newcount) return -1; /* to be sure */
1522 read_from_player(isr, closure, message, count, error)
1529 int outError, outCount;
1530 static int gotEof = 0;
1532 /* Pass data read from player on to ICS */
1535 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1536 if (outCount < count) {
1537 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1539 } else if (count < 0) {
1540 RemoveInputSource(isr);
1541 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1542 } else if (gotEof++ > 0) {
1543 RemoveInputSource(isr);
1544 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1550 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1551 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1552 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1553 SendToICS("date\n");
1554 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1557 /* added routine for printf style output to ics */
1558 void ics_printf(char *format, ...)
1560 char buffer[MSG_SIZ];
1563 va_start(args, format);
1564 vsnprintf(buffer, sizeof(buffer), format, args);
1565 buffer[sizeof(buffer)-1] = '\0';
1574 int count, outCount, outError;
1576 if (icsPR == NULL) return;
1579 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1580 if (outCount < count) {
1581 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1585 /* This is used for sending logon scripts to the ICS. Sending
1586 without a delay causes problems when using timestamp on ICC
1587 (at least on my machine). */
1589 SendToICSDelayed(s,msdelay)
1593 int count, outCount, outError;
1595 if (icsPR == NULL) return;
1598 if (appData.debugMode) {
1599 fprintf(debugFP, ">ICS: ");
1600 show_bytes(debugFP, s, count);
1601 fprintf(debugFP, "\n");
1603 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1605 if (outCount < count) {
1606 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1611 /* Remove all highlighting escape sequences in s
1612 Also deletes any suffix starting with '('
1615 StripHighlightAndTitle(s)
1618 static char retbuf[MSG_SIZ];
1621 while (*s != NULLCHAR) {
1622 while (*s == '\033') {
1623 while (*s != NULLCHAR && !isalpha(*s)) s++;
1624 if (*s != NULLCHAR) s++;
1626 while (*s != NULLCHAR && *s != '\033') {
1627 if (*s == '(' || *s == '[') {
1638 /* Remove all highlighting escape sequences in s */
1643 static char retbuf[MSG_SIZ];
1646 while (*s != NULLCHAR) {
1647 while (*s == '\033') {
1648 while (*s != NULLCHAR && !isalpha(*s)) s++;
1649 if (*s != NULLCHAR) s++;
1651 while (*s != NULLCHAR && *s != '\033') {
1659 char *variantNames[] = VARIANT_NAMES;
1664 return variantNames[v];
1668 /* Identify a variant from the strings the chess servers use or the
1669 PGN Variant tag names we use. */
1676 VariantClass v = VariantNormal;
1677 int i, found = FALSE;
1683 /* [HGM] skip over optional board-size prefixes */
1684 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1685 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1686 while( *e++ != '_');
1689 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1693 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1694 if (StrCaseStr(e, variantNames[i])) {
1695 v = (VariantClass) i;
1702 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1703 || StrCaseStr(e, "wild/fr")
1704 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1705 v = VariantFischeRandom;
1706 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1707 (i = 1, p = StrCaseStr(e, "w"))) {
1709 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
1716 case 0: /* FICS only, actually */
1718 /* Castling legal even if K starts on d-file */
1719 v = VariantWildCastle;
1724 /* Castling illegal even if K & R happen to start in
1725 normal positions. */
1726 v = VariantNoCastle;
1739 /* Castling legal iff K & R start in normal positions */
1745 /* Special wilds for position setup; unclear what to do here */
1746 v = VariantLoadable;
1749 /* Bizarre ICC game */
1750 v = VariantTwoKings;
1753 v = VariantKriegspiel;
1759 v = VariantFischeRandom;
1762 v = VariantCrazyhouse;
1765 v = VariantBughouse;
1771 /* Not quite the same as FICS suicide! */
1772 v = VariantGiveaway;
1778 v = VariantShatranj;
1781 /* Temporary names for future ICC types. The name *will* change in
1782 the next xboard/WinBoard release after ICC defines it. */
1820 v = VariantCapablanca;
1823 v = VariantKnightmate;
1829 v = VariantCylinder;
1835 v = VariantCapaRandom;
1838 v = VariantBerolina;
1850 /* Found "wild" or "w" in the string but no number;
1851 must assume it's normal chess. */
1855 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
1856 if( (len > MSG_SIZ) && appData.debugMode )
1857 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
1859 DisplayError(buf, 0);
1865 if (appData.debugMode) {
1866 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
1867 e, wnum, VariantName(v));
1872 static int leftover_start = 0, leftover_len = 0;
1873 char star_match[STAR_MATCH_N][MSG_SIZ];
1875 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
1876 advance *index beyond it, and set leftover_start to the new value of
1877 *index; else return FALSE. If pattern contains the character '*', it
1878 matches any sequence of characters not containing '\r', '\n', or the
1879 character following the '*' (if any), and the matched sequence(s) are
1880 copied into star_match.
1883 looking_at(buf, index, pattern)
1888 char *bufp = &buf[*index], *patternp = pattern;
1890 char *matchp = star_match[0];
1893 if (*patternp == NULLCHAR) {
1894 *index = leftover_start = bufp - buf;
1898 if (*bufp == NULLCHAR) return FALSE;
1899 if (*patternp == '*') {
1900 if (*bufp == *(patternp + 1)) {
1902 matchp = star_match[++star_count];
1906 } else if (*bufp == '\n' || *bufp == '\r') {
1908 if (*patternp == NULLCHAR)
1913 *matchp++ = *bufp++;
1917 if (*patternp != *bufp) return FALSE;
1924 SendToPlayer(data, length)
1928 int error, outCount;
1929 outCount = OutputToProcess(NoProc, data, length, &error);
1930 if (outCount < length) {
1931 DisplayFatalError(_("Error writing to display"), error, 1);
1936 PackHolding(packed, holding)
1948 switch (runlength) {
1959 sprintf(q, "%d", runlength);
1971 /* Telnet protocol requests from the front end */
1973 TelnetRequest(ddww, option)
1974 unsigned char ddww, option;
1976 unsigned char msg[3];
1977 int outCount, outError;
1979 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
1981 if (appData.debugMode) {
1982 char buf1[8], buf2[8], *ddwwStr, *optionStr;
1998 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2007 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2010 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2015 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2017 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2024 if (!appData.icsActive) return;
2025 TelnetRequest(TN_DO, TN_ECHO);
2031 if (!appData.icsActive) return;
2032 TelnetRequest(TN_DONT, TN_ECHO);
2036 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
2038 /* put the holdings sent to us by the server on the board holdings area */
2039 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2043 if(gameInfo.holdingsWidth < 2) return;
2044 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2045 return; // prevent overwriting by pre-board holdings
2047 if( (int)lowestPiece >= BlackPawn ) {
2050 holdingsStartRow = BOARD_HEIGHT-1;
2053 holdingsColumn = BOARD_WIDTH-1;
2054 countsColumn = BOARD_WIDTH-2;
2055 holdingsStartRow = 0;
2059 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2060 board[i][holdingsColumn] = EmptySquare;
2061 board[i][countsColumn] = (ChessSquare) 0;
2063 while( (p=*holdings++) != NULLCHAR ) {
2064 piece = CharToPiece( ToUpper(p) );
2065 if(piece == EmptySquare) continue;
2066 /*j = (int) piece - (int) WhitePawn;*/
2067 j = PieceToNumber(piece);
2068 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2069 if(j < 0) continue; /* should not happen */
2070 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2071 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2072 board[holdingsStartRow+j*direction][countsColumn]++;
2078 VariantSwitch(Board board, VariantClass newVariant)
2080 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2081 static Board oldBoard;
2083 startedFromPositionFile = FALSE;
2084 if(gameInfo.variant == newVariant) return;
2086 /* [HGM] This routine is called each time an assignment is made to
2087 * gameInfo.variant during a game, to make sure the board sizes
2088 * are set to match the new variant. If that means adding or deleting
2089 * holdings, we shift the playing board accordingly
2090 * This kludge is needed because in ICS observe mode, we get boards
2091 * of an ongoing game without knowing the variant, and learn about the
2092 * latter only later. This can be because of the move list we requested,
2093 * in which case the game history is refilled from the beginning anyway,
2094 * but also when receiving holdings of a crazyhouse game. In the latter
2095 * case we want to add those holdings to the already received position.
2099 if (appData.debugMode) {
2100 fprintf(debugFP, "Switch board from %s to %s\n",
2101 VariantName(gameInfo.variant), VariantName(newVariant));
2102 setbuf(debugFP, NULL);
2104 shuffleOpenings = 0; /* [HGM] shuffle */
2105 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2109 newWidth = 9; newHeight = 9;
2110 gameInfo.holdingsSize = 7;
2111 case VariantBughouse:
2112 case VariantCrazyhouse:
2113 newHoldingsWidth = 2; break;
2117 newHoldingsWidth = 2;
2118 gameInfo.holdingsSize = 8;
2121 case VariantCapablanca:
2122 case VariantCapaRandom:
2125 newHoldingsWidth = gameInfo.holdingsSize = 0;
2128 if(newWidth != gameInfo.boardWidth ||
2129 newHeight != gameInfo.boardHeight ||
2130 newHoldingsWidth != gameInfo.holdingsWidth ) {
2132 /* shift position to new playing area, if needed */
2133 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2134 for(i=0; i<BOARD_HEIGHT; i++)
2135 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2136 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2138 for(i=0; i<newHeight; i++) {
2139 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2140 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2142 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2143 for(i=0; i<BOARD_HEIGHT; i++)
2144 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2145 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2148 gameInfo.boardWidth = newWidth;
2149 gameInfo.boardHeight = newHeight;
2150 gameInfo.holdingsWidth = newHoldingsWidth;
2151 gameInfo.variant = newVariant;
2152 InitDrawingSizes(-2, 0);
2153 } else gameInfo.variant = newVariant;
2154 CopyBoard(oldBoard, board); // remember correctly formatted board
2155 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2156 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2159 static int loggedOn = FALSE;
2161 /*-- Game start info cache: --*/
2163 char gs_kind[MSG_SIZ];
2164 static char player1Name[128] = "";
2165 static char player2Name[128] = "";
2166 static char cont_seq[] = "\n\\ ";
2167 static int player1Rating = -1;
2168 static int player2Rating = -1;
2169 /*----------------------------*/
2171 ColorClass curColor = ColorNormal;
2172 int suppressKibitz = 0;
2175 Boolean soughtPending = FALSE;
2176 Boolean seekGraphUp;
2177 #define MAX_SEEK_ADS 200
2179 char *seekAdList[MAX_SEEK_ADS];
2180 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2181 float tcList[MAX_SEEK_ADS];
2182 char colorList[MAX_SEEK_ADS];
2183 int nrOfSeekAds = 0;
2184 int minRating = 1010, maxRating = 2800;
2185 int hMargin = 10, vMargin = 20, h, w;
2186 extern int squareSize, lineGap;
2191 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2192 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2193 if(r < minRating+100 && r >=0 ) r = minRating+100;
2194 if(r > maxRating) r = maxRating;
2195 if(tc < 1.) tc = 1.;
2196 if(tc > 95.) tc = 95.;
2197 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2198 y = ((double)r - minRating)/(maxRating - minRating)
2199 * (h-vMargin-squareSize/8-1) + vMargin;
2200 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2201 if(strstr(seekAdList[i], " u ")) color = 1;
2202 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2203 !strstr(seekAdList[i], "bullet") &&
2204 !strstr(seekAdList[i], "blitz") &&
2205 !strstr(seekAdList[i], "standard") ) color = 2;
2206 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2207 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2211 AddAd(char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2213 char buf[MSG_SIZ], *ext = "";
2214 VariantClass v = StringToVariant(type);
2215 if(strstr(type, "wild")) {
2216 ext = type + 4; // append wild number
2217 if(v == VariantFischeRandom) type = "chess960"; else
2218 if(v == VariantLoadable) type = "setup"; else
2219 type = VariantName(v);
2221 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2222 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2223 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2224 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2225 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2226 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2227 seekNrList[nrOfSeekAds] = nr;
2228 zList[nrOfSeekAds] = 0;
2229 seekAdList[nrOfSeekAds++] = StrSave(buf);
2230 if(plot) PlotSeekAd(nrOfSeekAds-1);
2237 int x = xList[i], y = yList[i], d=squareSize/4, k;
2238 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2239 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2240 // now replot every dot that overlapped
2241 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2242 int xx = xList[k], yy = yList[k];
2243 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2244 DrawSeekDot(xx, yy, colorList[k]);
2249 RemoveSeekAd(int nr)
2252 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2254 if(seekAdList[i]) free(seekAdList[i]);
2255 seekAdList[i] = seekAdList[--nrOfSeekAds];
2256 seekNrList[i] = seekNrList[nrOfSeekAds];
2257 ratingList[i] = ratingList[nrOfSeekAds];
2258 colorList[i] = colorList[nrOfSeekAds];
2259 tcList[i] = tcList[nrOfSeekAds];
2260 xList[i] = xList[nrOfSeekAds];
2261 yList[i] = yList[nrOfSeekAds];
2262 zList[i] = zList[nrOfSeekAds];
2263 seekAdList[nrOfSeekAds] = NULL;
2269 MatchSoughtLine(char *line)
2271 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2272 int nr, base, inc, u=0; char dummy;
2274 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2275 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2277 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2278 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2279 // match: compact and save the line
2280 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2290 if(!seekGraphUp) return FALSE;
2291 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2292 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2294 DrawSeekBackground(0, 0, w, h);
2295 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2296 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2297 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2298 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2300 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2303 snprintf(buf, MSG_SIZ, "%d", i);
2304 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2307 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2308 for(i=1; i<100; i+=(i<10?1:5)) {
2309 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2310 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2311 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2313 snprintf(buf, MSG_SIZ, "%d", i);
2314 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2317 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2321 int SeekGraphClick(ClickType click, int x, int y, int moving)
2323 static int lastDown = 0, displayed = 0, lastSecond;
2324 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2325 if(click == Release || moving) return FALSE;
2327 soughtPending = TRUE;
2328 SendToICS(ics_prefix);
2329 SendToICS("sought\n"); // should this be "sought all"?
2330 } else { // issue challenge based on clicked ad
2331 int dist = 10000; int i, closest = 0, second = 0;
2332 for(i=0; i<nrOfSeekAds; i++) {
2333 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2334 if(d < dist) { dist = d; closest = i; }
2335 second += (d - zList[i] < 120); // count in-range ads
2336 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2340 second = (second > 1);
2341 if(displayed != closest || second != lastSecond) {
2342 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2343 lastSecond = second; displayed = closest;
2345 if(click == Press) {
2346 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2349 } // on press 'hit', only show info
2350 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2351 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2352 SendToICS(ics_prefix);
2354 return TRUE; // let incoming board of started game pop down the graph
2355 } else if(click == Release) { // release 'miss' is ignored
2356 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2357 if(moving == 2) { // right up-click
2358 nrOfSeekAds = 0; // refresh graph
2359 soughtPending = TRUE;
2360 SendToICS(ics_prefix);
2361 SendToICS("sought\n"); // should this be "sought all"?
2364 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2365 // press miss or release hit 'pop down' seek graph
2366 seekGraphUp = FALSE;
2367 DrawPosition(TRUE, NULL);
2373 read_from_ics(isr, closure, data, count, error)
2380 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2381 #define STARTED_NONE 0
2382 #define STARTED_MOVES 1
2383 #define STARTED_BOARD 2
2384 #define STARTED_OBSERVE 3
2385 #define STARTED_HOLDINGS 4
2386 #define STARTED_CHATTER 5
2387 #define STARTED_COMMENT 6
2388 #define STARTED_MOVES_NOHIDE 7
2390 static int started = STARTED_NONE;
2391 static char parse[20000];
2392 static int parse_pos = 0;
2393 static char buf[BUF_SIZE + 1];
2394 static int firstTime = TRUE, intfSet = FALSE;
2395 static ColorClass prevColor = ColorNormal;
2396 static int savingComment = FALSE;
2397 static int cmatch = 0; // continuation sequence match
2404 int backup; /* [DM] For zippy color lines */
2406 char talker[MSG_SIZ]; // [HGM] chat
2409 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2411 if (appData.debugMode) {
2413 fprintf(debugFP, "<ICS: ");
2414 show_bytes(debugFP, data, count);
2415 fprintf(debugFP, "\n");
2419 if (appData.debugMode) { int f = forwardMostMove;
2420 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2421 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2422 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2425 /* If last read ended with a partial line that we couldn't parse,
2426 prepend it to the new read and try again. */
2427 if (leftover_len > 0) {
2428 for (i=0; i<leftover_len; i++)
2429 buf[i] = buf[leftover_start + i];
2432 /* copy new characters into the buffer */
2433 bp = buf + leftover_len;
2434 buf_len=leftover_len;
2435 for (i=0; i<count; i++)
2438 if (data[i] == '\r')
2441 // join lines split by ICS?
2442 if (!appData.noJoin)
2445 Joining just consists of finding matches against the
2446 continuation sequence, and discarding that sequence
2447 if found instead of copying it. So, until a match
2448 fails, there's nothing to do since it might be the
2449 complete sequence, and thus, something we don't want
2452 if (data[i] == cont_seq[cmatch])
2455 if (cmatch == strlen(cont_seq))
2457 cmatch = 0; // complete match. just reset the counter
2460 it's possible for the ICS to not include the space
2461 at the end of the last word, making our [correct]
2462 join operation fuse two separate words. the server
2463 does this when the space occurs at the width setting.
2465 if (!buf_len || buf[buf_len-1] != ' ')
2476 match failed, so we have to copy what matched before
2477 falling through and copying this character. In reality,
2478 this will only ever be just the newline character, but
2479 it doesn't hurt to be precise.
2481 strncpy(bp, cont_seq, cmatch);
2493 buf[buf_len] = NULLCHAR;
2494 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2499 while (i < buf_len) {
2500 /* Deal with part of the TELNET option negotiation
2501 protocol. We refuse to do anything beyond the
2502 defaults, except that we allow the WILL ECHO option,
2503 which ICS uses to turn off password echoing when we are
2504 directly connected to it. We reject this option
2505 if localLineEditing mode is on (always on in xboard)
2506 and we are talking to port 23, which might be a real
2507 telnet server that will try to keep WILL ECHO on permanently.
2509 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2510 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2511 unsigned char option;
2513 switch ((unsigned char) buf[++i]) {
2515 if (appData.debugMode)
2516 fprintf(debugFP, "\n<WILL ");
2517 switch (option = (unsigned char) buf[++i]) {
2519 if (appData.debugMode)
2520 fprintf(debugFP, "ECHO ");
2521 /* Reply only if this is a change, according
2522 to the protocol rules. */
2523 if (remoteEchoOption) break;
2524 if (appData.localLineEditing &&
2525 atoi(appData.icsPort) == TN_PORT) {
2526 TelnetRequest(TN_DONT, TN_ECHO);
2529 TelnetRequest(TN_DO, TN_ECHO);
2530 remoteEchoOption = TRUE;
2534 if (appData.debugMode)
2535 fprintf(debugFP, "%d ", option);
2536 /* Whatever this is, we don't want it. */
2537 TelnetRequest(TN_DONT, option);
2542 if (appData.debugMode)
2543 fprintf(debugFP, "\n<WONT ");
2544 switch (option = (unsigned char) buf[++i]) {
2546 if (appData.debugMode)
2547 fprintf(debugFP, "ECHO ");
2548 /* Reply only if this is a change, according
2549 to the protocol rules. */
2550 if (!remoteEchoOption) break;
2552 TelnetRequest(TN_DONT, TN_ECHO);
2553 remoteEchoOption = FALSE;
2556 if (appData.debugMode)
2557 fprintf(debugFP, "%d ", (unsigned char) option);
2558 /* Whatever this is, it must already be turned
2559 off, because we never agree to turn on
2560 anything non-default, so according to the
2561 protocol rules, we don't reply. */
2566 if (appData.debugMode)
2567 fprintf(debugFP, "\n<DO ");
2568 switch (option = (unsigned char) buf[++i]) {
2570 /* Whatever this is, we refuse to do it. */
2571 if (appData.debugMode)
2572 fprintf(debugFP, "%d ", option);
2573 TelnetRequest(TN_WONT, option);
2578 if (appData.debugMode)
2579 fprintf(debugFP, "\n<DONT ");
2580 switch (option = (unsigned char) buf[++i]) {
2582 if (appData.debugMode)
2583 fprintf(debugFP, "%d ", option);
2584 /* Whatever this is, we are already not doing
2585 it, because we never agree to do anything
2586 non-default, so according to the protocol
2587 rules, we don't reply. */
2592 if (appData.debugMode)
2593 fprintf(debugFP, "\n<IAC ");
2594 /* Doubled IAC; pass it through */
2598 if (appData.debugMode)
2599 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2600 /* Drop all other telnet commands on the floor */
2603 if (oldi > next_out)
2604 SendToPlayer(&buf[next_out], oldi - next_out);
2610 /* OK, this at least will *usually* work */
2611 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2615 if (loggedOn && !intfSet) {
2616 if (ics_type == ICS_ICC) {
2617 snprintf(str, MSG_SIZ,
2618 "/set-quietly interface %s\n/set-quietly style 12\n",
2620 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2621 strcat(str, "/set-2 51 1\n/set seek 1\n");
2622 } else if (ics_type == ICS_CHESSNET) {
2623 snprintf(str, MSG_SIZ, "/style 12\n");
2625 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2626 strcat(str, programVersion);
2627 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2628 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2629 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2631 strcat(str, "$iset nohighlight 1\n");
2633 strcat(str, "$iset lock 1\n$style 12\n");
2636 NotifyFrontendLogin();
2640 if (started == STARTED_COMMENT) {
2641 /* Accumulate characters in comment */
2642 parse[parse_pos++] = buf[i];
2643 if (buf[i] == '\n') {
2644 parse[parse_pos] = NULLCHAR;
2645 if(chattingPartner>=0) {
2647 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2648 OutputChatMessage(chattingPartner, mess);
2649 chattingPartner = -1;
2650 next_out = i+1; // [HGM] suppress printing in ICS window
2652 if(!suppressKibitz) // [HGM] kibitz
2653 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2654 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2655 int nrDigit = 0, nrAlph = 0, j;
2656 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2657 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2658 parse[parse_pos] = NULLCHAR;
2659 // try to be smart: if it does not look like search info, it should go to
2660 // ICS interaction window after all, not to engine-output window.
2661 for(j=0; j<parse_pos; j++) { // count letters and digits
2662 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2663 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2664 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2666 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2667 int depth=0; float score;
2668 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2669 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2670 pvInfoList[forwardMostMove-1].depth = depth;
2671 pvInfoList[forwardMostMove-1].score = 100*score;
2673 OutputKibitz(suppressKibitz, parse);
2676 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
2677 SendToPlayer(tmp, strlen(tmp));
2679 next_out = i+1; // [HGM] suppress printing in ICS window
2681 started = STARTED_NONE;
2683 /* Don't match patterns against characters in comment */
2688 if (started == STARTED_CHATTER) {
2689 if (buf[i] != '\n') {
2690 /* Don't match patterns against characters in chatter */
2694 started = STARTED_NONE;
2695 if(suppressKibitz) next_out = i+1;
2698 /* Kludge to deal with rcmd protocol */
2699 if (firstTime && looking_at(buf, &i, "\001*")) {
2700 DisplayFatalError(&buf[1], 0, 1);
2706 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2709 if (appData.debugMode)
2710 fprintf(debugFP, "ics_type %d\n", ics_type);
2713 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2714 ics_type = ICS_FICS;
2716 if (appData.debugMode)
2717 fprintf(debugFP, "ics_type %d\n", ics_type);
2720 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
2721 ics_type = ICS_CHESSNET;
2723 if (appData.debugMode)
2724 fprintf(debugFP, "ics_type %d\n", ics_type);
2729 (looking_at(buf, &i, "\"*\" is *a registered name") ||
2730 looking_at(buf, &i, "Logging you in as \"*\"") ||
2731 looking_at(buf, &i, "will be \"*\""))) {
2732 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
2736 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
2738 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
2739 DisplayIcsInteractionTitle(buf);
2740 have_set_title = TRUE;
2743 /* skip finger notes */
2744 if (started == STARTED_NONE &&
2745 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
2746 (buf[i] == '1' && buf[i+1] == '0')) &&
2747 buf[i+2] == ':' && buf[i+3] == ' ') {
2748 started = STARTED_CHATTER;
2754 // [HGM] seekgraph: recognize sought lines and end-of-sought message
2755 if(appData.seekGraph) {
2756 if(soughtPending && MatchSoughtLine(buf+i)) {
2757 i = strstr(buf+i, "rated") - buf;
2758 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2759 next_out = leftover_start = i;
2760 started = STARTED_CHATTER;
2761 suppressKibitz = TRUE;
2764 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
2765 && looking_at(buf, &i, "* ads displayed")) {
2766 soughtPending = FALSE;
2771 if(appData.autoRefresh) {
2772 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
2773 int s = (ics_type == ICS_ICC); // ICC format differs
2775 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
2776 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
2777 looking_at(buf, &i, "*% "); // eat prompt
2778 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
2779 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2780 next_out = i; // suppress
2783 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
2784 char *p = star_match[0];
2786 if(seekGraphUp) RemoveSeekAd(atoi(p));
2787 while(*p && *p++ != ' '); // next
2789 looking_at(buf, &i, "*% "); // eat prompt
2790 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2797 /* skip formula vars */
2798 if (started == STARTED_NONE &&
2799 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
2800 started = STARTED_CHATTER;
2805 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
2806 if (appData.autoKibitz && started == STARTED_NONE &&
2807 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
2808 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
2809 if((looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
2810 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
2811 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
2812 suppressKibitz = TRUE;
2813 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2815 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
2816 && (gameMode == IcsPlayingWhite)) ||
2817 (StrStr(star_match[0], gameInfo.black) == star_match[0]
2818 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
2819 started = STARTED_CHATTER; // own kibitz we simply discard
2821 started = STARTED_COMMENT; // make sure it will be collected in parse[]
2822 parse_pos = 0; parse[0] = NULLCHAR;
2823 savingComment = TRUE;
2824 suppressKibitz = gameMode != IcsObserving ? 2 :
2825 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
2829 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
2830 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
2831 && atoi(star_match[0])) {
2832 // suppress the acknowledgements of our own autoKibitz
2834 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2835 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
2836 SendToPlayer(star_match[0], strlen(star_match[0]));
2837 if(looking_at(buf, &i, "*% ")) // eat prompt
2838 suppressKibitz = FALSE;
2842 } // [HGM] kibitz: end of patch
2844 // [HGM] chat: intercept tells by users for which we have an open chat window
2846 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
2847 looking_at(buf, &i, "* whispers:") ||
2848 looking_at(buf, &i, "* kibitzes:") ||
2849 looking_at(buf, &i, "* shouts:") ||
2850 looking_at(buf, &i, "* c-shouts:") ||
2851 looking_at(buf, &i, "--> * ") ||
2852 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
2853 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
2854 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
2855 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
2857 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
2858 chattingPartner = -1;
2860 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
2861 for(p=0; p<MAX_CHAT; p++) {
2862 if(channel == atoi(chatPartner[p])) {
2863 talker[0] = '['; strcat(talker, "] ");
2864 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
2865 chattingPartner = p; break;
2868 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
2869 for(p=0; p<MAX_CHAT; p++) {
2870 if(!strcmp("kibitzes", chatPartner[p])) {
2871 talker[0] = '['; strcat(talker, "] ");
2872 chattingPartner = p; break;
2875 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
2876 for(p=0; p<MAX_CHAT; p++) {
2877 if(!strcmp("whispers", chatPartner[p])) {
2878 talker[0] = '['; strcat(talker, "] ");
2879 chattingPartner = p; break;
2882 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
2883 if(buf[i-8] == '-' && buf[i-3] == 't')
2884 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
2885 if(!strcmp("c-shouts", chatPartner[p])) {
2886 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
2887 chattingPartner = p; break;
2890 if(chattingPartner < 0)
2891 for(p=0; p<MAX_CHAT; p++) {
2892 if(!strcmp("shouts", chatPartner[p])) {
2893 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
2894 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
2895 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
2896 chattingPartner = p; break;
2900 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
2901 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
2902 talker[0] = 0; Colorize(ColorTell, FALSE);
2903 chattingPartner = p; break;
2905 if(chattingPartner<0) i = oldi; else {
2906 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
2907 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
2908 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2909 started = STARTED_COMMENT;
2910 parse_pos = 0; parse[0] = NULLCHAR;
2911 savingComment = 3 + chattingPartner; // counts as TRUE
2912 suppressKibitz = TRUE;
2915 } // [HGM] chat: end of patch
2917 if (appData.zippyTalk || appData.zippyPlay) {
2918 /* [DM] Backup address for color zippy lines */
2921 if (loggedOn == TRUE)
2922 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
2923 (appData.zippyPlay && ZippyMatch(buf, &backup)));
2925 } // [DM] 'else { ' deleted
2927 /* Regular tells and says */
2928 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
2929 looking_at(buf, &i, "* (your partner) tells you: ") ||
2930 looking_at(buf, &i, "* says: ") ||
2931 /* Don't color "message" or "messages" output */
2932 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
2933 looking_at(buf, &i, "*. * at *:*: ") ||
2934 looking_at(buf, &i, "--* (*:*): ") ||
2935 /* Message notifications (same color as tells) */
2936 looking_at(buf, &i, "* has left a message ") ||
2937 looking_at(buf, &i, "* just sent you a message:\n") ||
2938 /* Whispers and kibitzes */
2939 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
2940 looking_at(buf, &i, "* kibitzes: ") ||
2942 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
2944 if (tkind == 1 && strchr(star_match[0], ':')) {
2945 /* Avoid "tells you:" spoofs in channels */
2948 if (star_match[0][0] == NULLCHAR ||
2949 strchr(star_match[0], ' ') ||
2950 (tkind == 3 && strchr(star_match[1], ' '))) {
2951 /* Reject bogus matches */
2954 if (appData.colorize) {
2955 if (oldi > next_out) {
2956 SendToPlayer(&buf[next_out], oldi - next_out);
2961 Colorize(ColorTell, FALSE);
2962 curColor = ColorTell;
2965 Colorize(ColorKibitz, FALSE);
2966 curColor = ColorKibitz;
2969 p = strrchr(star_match[1], '(');
2976 Colorize(ColorChannel1, FALSE);
2977 curColor = ColorChannel1;
2979 Colorize(ColorChannel, FALSE);
2980 curColor = ColorChannel;
2984 curColor = ColorNormal;
2988 if (started == STARTED_NONE && appData.autoComment &&
2989 (gameMode == IcsObserving ||
2990 gameMode == IcsPlayingWhite ||
2991 gameMode == IcsPlayingBlack)) {
2992 parse_pos = i - oldi;
2993 memcpy(parse, &buf[oldi], parse_pos);
2994 parse[parse_pos] = NULLCHAR;
2995 started = STARTED_COMMENT;
2996 savingComment = TRUE;
2998 started = STARTED_CHATTER;
2999 savingComment = FALSE;
3006 if (looking_at(buf, &i, "* s-shouts: ") ||
3007 looking_at(buf, &i, "* c-shouts: ")) {
3008 if (appData.colorize) {
3009 if (oldi > next_out) {
3010 SendToPlayer(&buf[next_out], oldi - next_out);
3013 Colorize(ColorSShout, FALSE);
3014 curColor = ColorSShout;
3017 started = STARTED_CHATTER;
3021 if (looking_at(buf, &i, "--->")) {
3026 if (looking_at(buf, &i, "* shouts: ") ||
3027 looking_at(buf, &i, "--> ")) {
3028 if (appData.colorize) {
3029 if (oldi > next_out) {
3030 SendToPlayer(&buf[next_out], oldi - next_out);
3033 Colorize(ColorShout, FALSE);
3034 curColor = ColorShout;
3037 started = STARTED_CHATTER;
3041 if (looking_at( buf, &i, "Challenge:")) {
3042 if (appData.colorize) {
3043 if (oldi > next_out) {
3044 SendToPlayer(&buf[next_out], oldi - next_out);
3047 Colorize(ColorChallenge, FALSE);
3048 curColor = ColorChallenge;
3054 if (looking_at(buf, &i, "* offers you") ||
3055 looking_at(buf, &i, "* offers to be") ||
3056 looking_at(buf, &i, "* would like to") ||
3057 looking_at(buf, &i, "* requests to") ||
3058 looking_at(buf, &i, "Your opponent offers") ||
3059 looking_at(buf, &i, "Your opponent requests")) {
3061 if (appData.colorize) {
3062 if (oldi > next_out) {
3063 SendToPlayer(&buf[next_out], oldi - next_out);
3066 Colorize(ColorRequest, FALSE);
3067 curColor = ColorRequest;
3072 if (looking_at(buf, &i, "* (*) seeking")) {
3073 if (appData.colorize) {
3074 if (oldi > next_out) {
3075 SendToPlayer(&buf[next_out], oldi - next_out);
3078 Colorize(ColorSeek, FALSE);
3079 curColor = ColorSeek;
3084 if (looking_at(buf, &i, "\\ ")) {
3085 if (prevColor != ColorNormal) {
3086 if (oldi > next_out) {
3087 SendToPlayer(&buf[next_out], oldi - next_out);
3090 Colorize(prevColor, TRUE);
3091 curColor = prevColor;
3093 if (savingComment) {
3094 parse_pos = i - oldi;
3095 memcpy(parse, &buf[oldi], parse_pos);
3096 parse[parse_pos] = NULLCHAR;
3097 started = STARTED_COMMENT;
3098 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3099 chattingPartner = savingComment - 3; // kludge to remember the box
3101 started = STARTED_CHATTER;
3106 if (looking_at(buf, &i, "Black Strength :") ||
3107 looking_at(buf, &i, "<<< style 10 board >>>") ||
3108 looking_at(buf, &i, "<10>") ||
3109 looking_at(buf, &i, "#@#")) {
3110 /* Wrong board style */
3112 SendToICS(ics_prefix);
3113 SendToICS("set style 12\n");
3114 SendToICS(ics_prefix);
3115 SendToICS("refresh\n");
3119 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3121 have_sent_ICS_logon = 1;
3122 /* if we don't send the login/password via icsLogon, use special readline
3124 if (strlen(appData.icsLogon)==0)
3126 sending_ICS_password = 0; // in case we come back to login
3127 sending_ICS_login = 1;
3131 /* need to shadow the password */
3132 if (!sending_ICS_password && looking_at(buf, &i, "password:")) {
3133 /* if we don't send the login/password via icsLogon, use special readline
3135 if (strlen(appData.icsLogon)==0)
3136 sending_ICS_password = 1;
3140 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3141 (looking_at(buf, &i, "\n<12> ") ||
3142 looking_at(buf, &i, "<12> "))) {
3144 if (oldi > next_out) {
3145 SendToPlayer(&buf[next_out], oldi - next_out);
3148 started = STARTED_BOARD;
3153 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3154 looking_at(buf, &i, "<b1> ")) {
3155 if (oldi > next_out) {
3156 SendToPlayer(&buf[next_out], oldi - next_out);
3159 started = STARTED_HOLDINGS;
3164 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3166 /* Header for a move list -- first line */
3168 switch (ics_getting_history) {
3172 case BeginningOfGame:
3173 /* User typed "moves" or "oldmoves" while we
3174 were idle. Pretend we asked for these
3175 moves and soak them up so user can step
3176 through them and/or save them.
3179 gameMode = IcsObserving;
3182 ics_getting_history = H_GOT_UNREQ_HEADER;
3184 case EditGame: /*?*/
3185 case EditPosition: /*?*/
3186 /* Should above feature work in these modes too? */
3187 /* For now it doesn't */
3188 ics_getting_history = H_GOT_UNWANTED_HEADER;
3191 ics_getting_history = H_GOT_UNWANTED_HEADER;
3196 /* Is this the right one? */
3197 if (gameInfo.white && gameInfo.black &&
3198 strcmp(gameInfo.white, star_match[0]) == 0 &&
3199 strcmp(gameInfo.black, star_match[2]) == 0) {
3201 ics_getting_history = H_GOT_REQ_HEADER;
3204 case H_GOT_REQ_HEADER:
3205 case H_GOT_UNREQ_HEADER:
3206 case H_GOT_UNWANTED_HEADER:
3207 case H_GETTING_MOVES:
3208 /* Should not happen */
3209 DisplayError(_("Error gathering move list: two headers"), 0);
3210 ics_getting_history = H_FALSE;
3214 /* Save player ratings into gameInfo if needed */
3215 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3216 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3217 (gameInfo.whiteRating == -1 ||
3218 gameInfo.blackRating == -1)) {
3220 gameInfo.whiteRating = string_to_rating(star_match[1]);
3221 gameInfo.blackRating = string_to_rating(star_match[3]);
3222 if (appData.debugMode)
3223 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3224 gameInfo.whiteRating, gameInfo.blackRating);
3229 if (looking_at(buf, &i,
3230 "* * match, initial time: * minute*, increment: * second")) {
3231 /* Header for a move list -- second line */
3232 /* Initial board will follow if this is a wild game */
3233 if (gameInfo.event != NULL) free(gameInfo.event);
3234 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3235 gameInfo.event = StrSave(str);
3236 /* [HGM] we switched variant. Translate boards if needed. */
3237 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3241 if (looking_at(buf, &i, "Move ")) {
3242 /* Beginning of a move list */
3243 switch (ics_getting_history) {
3245 /* Normally should not happen */
3246 /* Maybe user hit reset while we were parsing */
3249 /* Happens if we are ignoring a move list that is not
3250 * the one we just requested. Common if the user
3251 * tries to observe two games without turning off
3254 case H_GETTING_MOVES:
3255 /* Should not happen */
3256 DisplayError(_("Error gathering move list: nested"), 0);
3257 ics_getting_history = H_FALSE;
3259 case H_GOT_REQ_HEADER:
3260 ics_getting_history = H_GETTING_MOVES;
3261 started = STARTED_MOVES;
3263 if (oldi > next_out) {
3264 SendToPlayer(&buf[next_out], oldi - next_out);
3267 case H_GOT_UNREQ_HEADER:
3268 ics_getting_history = H_GETTING_MOVES;
3269 started = STARTED_MOVES_NOHIDE;
3272 case H_GOT_UNWANTED_HEADER:
3273 ics_getting_history = H_FALSE;
3279 if (looking_at(buf, &i, "% ") ||
3280 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3281 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3282 if(ics_type == ICS_ICC && soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3283 soughtPending = FALSE;
3287 if(suppressKibitz) next_out = i;
3288 savingComment = FALSE;
3292 case STARTED_MOVES_NOHIDE:
3293 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3294 parse[parse_pos + i - oldi] = NULLCHAR;
3295 ParseGameHistory(parse);
3297 if (appData.zippyPlay && first.initDone) {
3298 FeedMovesToProgram(&first, forwardMostMove);
3299 if (gameMode == IcsPlayingWhite) {
3300 if (WhiteOnMove(forwardMostMove)) {
3301 if (first.sendTime) {
3302 if (first.useColors) {
3303 SendToProgram("black\n", &first);
3305 SendTimeRemaining(&first, TRUE);
3307 if (first.useColors) {
3308 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3310 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3311 first.maybeThinking = TRUE;
3313 if (first.usePlayother) {
3314 if (first.sendTime) {
3315 SendTimeRemaining(&first, TRUE);
3317 SendToProgram("playother\n", &first);
3323 } else if (gameMode == IcsPlayingBlack) {
3324 if (!WhiteOnMove(forwardMostMove)) {
3325 if (first.sendTime) {
3326 if (first.useColors) {
3327 SendToProgram("white\n", &first);
3329 SendTimeRemaining(&first, FALSE);
3331 if (first.useColors) {
3332 SendToProgram("black\n", &first);
3334 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3335 first.maybeThinking = TRUE;
3337 if (first.usePlayother) {
3338 if (first.sendTime) {
3339 SendTimeRemaining(&first, FALSE);
3341 SendToProgram("playother\n", &first);
3350 if (gameMode == IcsObserving && ics_gamenum == -1) {
3351 /* Moves came from oldmoves or moves command
3352 while we weren't doing anything else.
3354 currentMove = forwardMostMove;
3355 ClearHighlights();/*!!could figure this out*/
3356 flipView = appData.flipView;
3357 DrawPosition(TRUE, boards[currentMove]);
3358 DisplayBothClocks();
3359 snprintf(str, MSG_SIZ, "%s vs. %s",
3360 gameInfo.white, gameInfo.black);
3364 /* Moves were history of an active game */
3365 if (gameInfo.resultDetails != NULL) {
3366 free(gameInfo.resultDetails);
3367 gameInfo.resultDetails = NULL;
3370 HistorySet(parseList, backwardMostMove,
3371 forwardMostMove, currentMove-1);
3372 DisplayMove(currentMove - 1);
3373 if (started == STARTED_MOVES) next_out = i;
3374 started = STARTED_NONE;
3375 ics_getting_history = H_FALSE;
3378 case STARTED_OBSERVE:
3379 started = STARTED_NONE;
3380 SendToICS(ics_prefix);
3381 SendToICS("refresh\n");
3387 if(bookHit) { // [HGM] book: simulate book reply
3388 static char bookMove[MSG_SIZ]; // a bit generous?
3390 programStats.nodes = programStats.depth = programStats.time =
3391 programStats.score = programStats.got_only_move = 0;
3392 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3394 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3395 strcat(bookMove, bookHit);
3396 HandleMachineMove(bookMove, &first);
3401 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3402 started == STARTED_HOLDINGS ||
3403 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3404 /* Accumulate characters in move list or board */
3405 parse[parse_pos++] = buf[i];
3408 /* Start of game messages. Mostly we detect start of game
3409 when the first board image arrives. On some versions
3410 of the ICS, though, we need to do a "refresh" after starting
3411 to observe in order to get the current board right away. */
3412 if (looking_at(buf, &i, "Adding game * to observation list")) {
3413 started = STARTED_OBSERVE;
3417 /* Handle auto-observe */
3418 if (appData.autoObserve &&
3419 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3420 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3422 /* Choose the player that was highlighted, if any. */
3423 if (star_match[0][0] == '\033' ||
3424 star_match[1][0] != '\033') {
3425 player = star_match[0];
3427 player = star_match[2];
3429 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3430 ics_prefix, StripHighlightAndTitle(player));
3433 /* Save ratings from notify string */
3434 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3435 player1Rating = string_to_rating(star_match[1]);
3436 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3437 player2Rating = string_to_rating(star_match[3]);
3439 if (appData.debugMode)
3441 "Ratings from 'Game notification:' %s %d, %s %d\n",
3442 player1Name, player1Rating,
3443 player2Name, player2Rating);
3448 /* Deal with automatic examine mode after a game,
3449 and with IcsObserving -> IcsExamining transition */
3450 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3451 looking_at(buf, &i, "has made you an examiner of game *")) {
3453 int gamenum = atoi(star_match[0]);
3454 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3455 gamenum == ics_gamenum) {
3456 /* We were already playing or observing this game;
3457 no need to refetch history */
3458 gameMode = IcsExamining;
3460 pauseExamForwardMostMove = forwardMostMove;
3461 } else if (currentMove < forwardMostMove) {
3462 ForwardInner(forwardMostMove);
3465 /* I don't think this case really can happen */
3466 SendToICS(ics_prefix);
3467 SendToICS("refresh\n");
3472 /* Error messages */
3473 // if (ics_user_moved) {
3474 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3475 if (looking_at(buf, &i, "Illegal move") ||
3476 looking_at(buf, &i, "Not a legal move") ||
3477 looking_at(buf, &i, "Your king is in check") ||
3478 looking_at(buf, &i, "It isn't your turn") ||
3479 looking_at(buf, &i, "It is not your move")) {
3481 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3482 currentMove = forwardMostMove-1;
3483 DisplayMove(currentMove - 1); /* before DMError */
3484 DrawPosition(FALSE, boards[currentMove]);
3485 SwitchClocks(forwardMostMove-1); // [HGM] race
3486 DisplayBothClocks();
3488 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3494 if (looking_at(buf, &i, "still have time") ||
3495 looking_at(buf, &i, "not out of time") ||
3496 looking_at(buf, &i, "either player is out of time") ||
3497 looking_at(buf, &i, "has timeseal; checking")) {
3498 /* We must have called his flag a little too soon */
3499 whiteFlag = blackFlag = FALSE;
3503 if (looking_at(buf, &i, "added * seconds to") ||
3504 looking_at(buf, &i, "seconds were added to")) {
3505 /* Update the clocks */
3506 SendToICS(ics_prefix);
3507 SendToICS("refresh\n");
3511 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3512 ics_clock_paused = TRUE;
3517 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3518 ics_clock_paused = FALSE;
3523 /* Grab player ratings from the Creating: message.
3524 Note we have to check for the special case when
3525 the ICS inserts things like [white] or [black]. */
3526 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3527 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3529 0 player 1 name (not necessarily white)
3531 2 empty, white, or black (IGNORED)
3532 3 player 2 name (not necessarily black)
3535 The names/ratings are sorted out when the game
3536 actually starts (below).
3538 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3539 player1Rating = string_to_rating(star_match[1]);
3540 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3541 player2Rating = string_to_rating(star_match[4]);
3543 if (appData.debugMode)
3545 "Ratings from 'Creating:' %s %d, %s %d\n",
3546 player1Name, player1Rating,
3547 player2Name, player2Rating);
3552 /* Improved generic start/end-of-game messages */
3553 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3554 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3555 /* If tkind == 0: */
3556 /* star_match[0] is the game number */
3557 /* [1] is the white player's name */
3558 /* [2] is the black player's name */
3559 /* For end-of-game: */
3560 /* [3] is the reason for the game end */
3561 /* [4] is a PGN end game-token, preceded by " " */
3562 /* For start-of-game: */
3563 /* [3] begins with "Creating" or "Continuing" */
3564 /* [4] is " *" or empty (don't care). */
3565 int gamenum = atoi(star_match[0]);
3566 char *whitename, *blackname, *why, *endtoken;
3567 ChessMove endtype = EndOfFile;
3570 whitename = star_match[1];
3571 blackname = star_match[2];
3572 why = star_match[3];
3573 endtoken = star_match[4];
3575 whitename = star_match[1];
3576 blackname = star_match[3];
3577 why = star_match[5];
3578 endtoken = star_match[6];
3581 /* Game start messages */
3582 if (strncmp(why, "Creating ", 9) == 0 ||
3583 strncmp(why, "Continuing ", 11) == 0) {
3584 gs_gamenum = gamenum;
3585 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3586 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3588 if (appData.zippyPlay) {
3589 ZippyGameStart(whitename, blackname);
3592 partnerBoardValid = FALSE; // [HGM] bughouse
3596 /* Game end messages */
3597 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3598 ics_gamenum != gamenum) {
3601 while (endtoken[0] == ' ') endtoken++;
3602 switch (endtoken[0]) {
3605 endtype = GameUnfinished;
3608 endtype = BlackWins;
3611 if (endtoken[1] == '/')
3612 endtype = GameIsDrawn;
3614 endtype = WhiteWins;
3617 GameEnds(endtype, why, GE_ICS);
3619 if (appData.zippyPlay && first.initDone) {
3620 ZippyGameEnd(endtype, why);
3621 if (first.pr == NULL) {
3622 /* Start the next process early so that we'll
3623 be ready for the next challenge */
3624 StartChessProgram(&first);
3626 /* Send "new" early, in case this command takes
3627 a long time to finish, so that we'll be ready
3628 for the next challenge. */
3629 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3633 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3637 if (looking_at(buf, &i, "Removing game * from observation") ||
3638 looking_at(buf, &i, "no longer observing game *") ||
3639 looking_at(buf, &i, "Game * (*) has no examiners")) {
3640 if (gameMode == IcsObserving &&
3641 atoi(star_match[0]) == ics_gamenum)
3643 /* icsEngineAnalyze */
3644 if (appData.icsEngineAnalyze) {
3651 ics_user_moved = FALSE;
3656 if (looking_at(buf, &i, "no longer examining game *")) {
3657 if (gameMode == IcsExamining &&
3658 atoi(star_match[0]) == ics_gamenum)
3662 ics_user_moved = FALSE;
3667 /* Advance leftover_start past any newlines we find,
3668 so only partial lines can get reparsed */
3669 if (looking_at(buf, &i, "\n")) {
3670 prevColor = curColor;
3671 if (curColor != ColorNormal) {
3672 if (oldi > next_out) {
3673 SendToPlayer(&buf[next_out], oldi - next_out);
3676 Colorize(ColorNormal, FALSE);
3677 curColor = ColorNormal;
3679 if (started == STARTED_BOARD) {
3680 started = STARTED_NONE;
3681 parse[parse_pos] = NULLCHAR;
3682 ParseBoard12(parse);
3685 /* Send premove here */
3686 if (appData.premove) {
3688 if (currentMove == 0 &&
3689 gameMode == IcsPlayingWhite &&
3690 appData.premoveWhite) {
3691 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
3692 if (appData.debugMode)
3693 fprintf(debugFP, "Sending premove:\n");
3695 } else if (currentMove == 1 &&
3696 gameMode == IcsPlayingBlack &&
3697 appData.premoveBlack) {
3698 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
3699 if (appData.debugMode)
3700 fprintf(debugFP, "Sending premove:\n");
3702 } else if (gotPremove) {
3704 ClearPremoveHighlights();
3705 if (appData.debugMode)
3706 fprintf(debugFP, "Sending premove:\n");
3707 UserMoveEvent(premoveFromX, premoveFromY,
3708 premoveToX, premoveToY,
3713 /* Usually suppress following prompt */
3714 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3715 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3716 if (looking_at(buf, &i, "*% ")) {
3717 savingComment = FALSE;
3722 } else if (started == STARTED_HOLDINGS) {
3724 char new_piece[MSG_SIZ];
3725 started = STARTED_NONE;
3726 parse[parse_pos] = NULLCHAR;
3727 if (appData.debugMode)
3728 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
3729 parse, currentMove);
3730 if (sscanf(parse, " game %d", &gamenum) == 1) {
3731 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
3732 if (gameInfo.variant == VariantNormal) {
3733 /* [HGM] We seem to switch variant during a game!
3734 * Presumably no holdings were displayed, so we have
3735 * to move the position two files to the right to
3736 * create room for them!
3738 VariantClass newVariant;
3739 switch(gameInfo.boardWidth) { // base guess on board width
3740 case 9: newVariant = VariantShogi; break;
3741 case 10: newVariant = VariantGreat; break;
3742 default: newVariant = VariantCrazyhouse; break;
3744 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3745 /* Get a move list just to see the header, which
3746 will tell us whether this is really bug or zh */
3747 if (ics_getting_history == H_FALSE) {
3748 ics_getting_history = H_REQUESTED;
3749 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
3753 new_piece[0] = NULLCHAR;
3754 sscanf(parse, "game %d white [%s black [%s <- %s",
3755 &gamenum, white_holding, black_holding,
3757 white_holding[strlen(white_holding)-1] = NULLCHAR;
3758 black_holding[strlen(black_holding)-1] = NULLCHAR;
3759 /* [HGM] copy holdings to board holdings area */
3760 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
3761 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
3762 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
3764 if (appData.zippyPlay && first.initDone) {
3765 ZippyHoldings(white_holding, black_holding,
3769 if (tinyLayout || smallLayout) {
3770 char wh[16], bh[16];
3771 PackHolding(wh, white_holding);
3772 PackHolding(bh, black_holding);
3773 snprintf(str, MSG_SIZ,"[%s-%s] %s-%s", wh, bh,
3774 gameInfo.white, gameInfo.black);
3776 snprintf(str, MSG_SIZ, "%s [%s] vs. %s [%s]",
3777 gameInfo.white, white_holding,
3778 gameInfo.black, black_holding);
3780 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
3781 DrawPosition(FALSE, boards[currentMove]);
3783 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
3784 sscanf(parse, "game %d white [%s black [%s <- %s",
3785 &gamenum, white_holding, black_holding,
3787 white_holding[strlen(white_holding)-1] = NULLCHAR;
3788 black_holding[strlen(black_holding)-1] = NULLCHAR;
3789 /* [HGM] copy holdings to partner-board holdings area */
3790 CopyHoldings(partnerBoard, white_holding, WhitePawn);
3791 CopyHoldings(partnerBoard, black_holding, BlackPawn);
3792 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
3793 if(partnerUp) DrawPosition(FALSE, partnerBoard);
3794 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
3797 /* Suppress following prompt */
3798 if (looking_at(buf, &i, "*% ")) {
3799 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
3800 savingComment = FALSE;
3808 i++; /* skip unparsed character and loop back */
3811 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
3812 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
3813 // SendToPlayer(&buf[next_out], i - next_out);
3814 started != STARTED_HOLDINGS && leftover_start > next_out) {
3815 SendToPlayer(&buf[next_out], leftover_start - next_out);
3819 leftover_len = buf_len - leftover_start;
3820 /* if buffer ends with something we couldn't parse,
3821 reparse it after appending the next read */
3823 } else if (count == 0) {
3824 RemoveInputSource(isr);
3825 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
3827 DisplayFatalError(_("Error reading from ICS"), error, 1);
3832 /* Board style 12 looks like this:
3834 <12> r-b---k- pp----pp ---bP--- ---p---- q------- ------P- P--Q--BP -----R-K W -1 0 0 0 0 0 0 paf MaxII 0 2 12 21 25 234 174 24 Q/d7-a4 (0:06) Qxa4 0 0
3836 * The "<12> " is stripped before it gets to this routine. The two
3837 * trailing 0's (flip state and clock ticking) are later addition, and
3838 * some chess servers may not have them, or may have only the first.
3839 * Additional trailing fields may be added in the future.
3842 #define PATTERN "%c%d%d%d%d%d%d%d%s%s%d%d%d%d%d%d%d%d%s%s%s%d%d"
3844 #define RELATION_OBSERVING_PLAYED 0
3845 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
3846 #define RELATION_PLAYING_MYMOVE 1
3847 #define RELATION_PLAYING_NOTMYMOVE -1
3848 #define RELATION_EXAMINING 2
3849 #define RELATION_ISOLATED_BOARD -3
3850 #define RELATION_STARTING_POSITION -4 /* FICS only */
3853 ParseBoard12(string)
3856 GameMode newGameMode;
3857 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
3858 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
3859 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
3860 char to_play, board_chars[200];
3861 char move_str[500], str[500], elapsed_time[500];
3862 char black[32], white[32];
3864 int prevMove = currentMove;
3867 int fromX, fromY, toX, toY;
3869 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
3870 char *bookHit = NULL; // [HGM] book
3871 Boolean weird = FALSE, reqFlag = FALSE;
3873 fromX = fromY = toX = toY = -1;
3877 if (appData.debugMode)
3878 fprintf(debugFP, _("Parsing board: %s\n"), string);
3880 move_str[0] = NULLCHAR;
3881 elapsed_time[0] = NULLCHAR;
3882 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
3884 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
3885 if(string[i] == ' ') { ranks++; files = 0; }
3887 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
3890 for(j = 0; j <i; j++) board_chars[j] = string[j];
3891 board_chars[i] = '\0';
3894 n = sscanf(string, PATTERN, &to_play, &double_push,
3895 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
3896 &gamenum, white, black, &relation, &basetime, &increment,
3897 &white_stren, &black_stren, &white_time, &black_time,
3898 &moveNum, str, elapsed_time, move_str, &ics_flip,
3902 snprintf(str, sizeof(str), _("Failed to parse board string:\n\"%s\""), string);
3903 DisplayError(str, 0);
3907 /* Convert the move number to internal form */
3908 moveNum = (moveNum - 1) * 2;
3909 if (to_play == 'B') moveNum++;
3910 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
3911 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
3917 case RELATION_OBSERVING_PLAYED:
3918 case RELATION_OBSERVING_STATIC:
3919 if (gamenum == -1) {
3920 /* Old ICC buglet */
3921 relation = RELATION_OBSERVING_STATIC;
3923 newGameMode = IcsObserving;
3925 case RELATION_PLAYING_MYMOVE:
3926 case RELATION_PLAYING_NOTMYMOVE:
3928 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
3929 IcsPlayingWhite : IcsPlayingBlack;
3931 case RELATION_EXAMINING:
3932 newGameMode = IcsExamining;
3934 case RELATION_ISOLATED_BOARD:
3936 /* Just display this board. If user was doing something else,
3937 we will forget about it until the next board comes. */
3938 newGameMode = IcsIdle;
3940 case RELATION_STARTING_POSITION:
3941 newGameMode = gameMode;
3945 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
3946 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
3947 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
3949 for (k = 0; k < ranks; k++) {
3950 for (j = 0; j < files; j++)
3951 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
3952 if(gameInfo.holdingsWidth > 1) {
3953 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
3954 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
3957 CopyBoard(partnerBoard, board);
3958 if(toSqr = strchr(str, '/')) { // extract highlights from long move
3959 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
3960 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
3961 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
3962 if(toSqr = strchr(str, '-')) {
3963 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
3964 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
3965 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
3966 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
3967 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
3968 if(partnerUp) DrawPosition(FALSE, partnerBoard);
3969 if(twoBoards) { partnerUp = 0; flipView = !flipView; } // [HGM] dual
3970 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
3971 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
3972 DisplayMessage(partnerStatus, "");
3973 partnerBoardValid = TRUE;
3977 /* Modify behavior for initial board display on move listing
3980 switch (ics_getting_history) {
3984 case H_GOT_REQ_HEADER:
3985 case H_GOT_UNREQ_HEADER:
3986 /* This is the initial position of the current game */
3987 gamenum = ics_gamenum;
3988 moveNum = 0; /* old ICS bug workaround */
3989 if (to_play == 'B') {
3990 startedFromSetupPosition = TRUE;
3991 blackPlaysFirst = TRUE;
3993 if (forwardMostMove == 0) forwardMostMove = 1;
3994 if (backwardMostMove == 0) backwardMostMove = 1;
3995 if (currentMove == 0) currentMove = 1;
3997 newGameMode = gameMode;
3998 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4000 case H_GOT_UNWANTED_HEADER:
4001 /* This is an initial board that we don't want */
4003 case H_GETTING_MOVES:
4004 /* Should not happen */
4005 DisplayError(_("Error gathering move list: extra board"), 0);
4006 ics_getting_history = H_FALSE;
4010 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4011 weird && (int)gameInfo.variant < (int)VariantShogi) {
4012 /* [HGM] We seem to have switched variant unexpectedly
4013 * Try to guess new variant from board size
4015 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4016 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4017 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4018 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4019 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4020 if(!weird) newVariant = VariantNormal;
4021 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4022 /* Get a move list just to see the header, which
4023 will tell us whether this is really bug or zh */
4024 if (ics_getting_history == H_FALSE) {
4025 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4026 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4031 /* Take action if this is the first board of a new game, or of a
4032 different game than is currently being displayed. */
4033 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4034 relation == RELATION_ISOLATED_BOARD) {
4036 /* Forget the old game and get the history (if any) of the new one */
4037 if (gameMode != BeginningOfGame) {
4041 if (appData.autoRaiseBoard) BoardToTop();
4043 if (gamenum == -1) {
4044 newGameMode = IcsIdle;
4045 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4046 appData.getMoveList && !reqFlag) {
4047 /* Need to get game history */
4048 ics_getting_history = H_REQUESTED;
4049 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4053 /* Initially flip the board to have black on the bottom if playing
4054 black or if the ICS flip flag is set, but let the user change
4055 it with the Flip View button. */
4056 flipView = appData.autoFlipView ?
4057 (newGameMode == IcsPlayingBlack) || ics_flip :
4060 /* Done with values from previous mode; copy in new ones */
4061 gameMode = newGameMode;
4063 ics_gamenum = gamenum;
4064 if (gamenum == gs_gamenum) {
4065 int klen = strlen(gs_kind);
4066 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4067 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4068 gameInfo.event = StrSave(str);
4070 gameInfo.event = StrSave("ICS game");
4072 gameInfo.site = StrSave(appData.icsHost);
4073 gameInfo.date = PGNDate();
4074 gameInfo.round = StrSave("-");
4075 gameInfo.white = StrSave(white);
4076 gameInfo.black = StrSave(black);
4077 timeControl = basetime * 60 * 1000;
4079 timeIncrement = increment * 1000;
4080 movesPerSession = 0;
4081 gameInfo.timeControl = TimeControlTagValue();
4082 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4083 if (appData.debugMode) {
4084 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4085 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4086 setbuf(debugFP, NULL);
4089 gameInfo.outOfBook = NULL;
4091 /* Do we have the ratings? */
4092 if (strcmp(player1Name, white) == 0 &&
4093 strcmp(player2Name, black) == 0) {
4094 if (appData.debugMode)
4095 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4096 player1Rating, player2Rating);
4097 gameInfo.whiteRating = player1Rating;
4098 gameInfo.blackRating = player2Rating;
4099 } else if (strcmp(player2Name, white) == 0 &&
4100 strcmp(player1Name, black) == 0) {
4101 if (appData.debugMode)
4102 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4103 player2Rating, player1Rating);
4104 gameInfo.whiteRating = player2Rating;
4105 gameInfo.blackRating = player1Rating;
4107 player1Name[0] = player2Name[0] = NULLCHAR;
4109 /* Silence shouts if requested */
4110 if (appData.quietPlay &&
4111 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4112 SendToICS(ics_prefix);
4113 SendToICS("set shout 0\n");
4117 /* Deal with midgame name changes */
4119 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4120 if (gameInfo.white) free(gameInfo.white);
4121 gameInfo.white = StrSave(white);
4123 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4124 if (gameInfo.black) free(gameInfo.black);
4125 gameInfo.black = StrSave(black);
4129 /* Throw away game result if anything actually changes in examine mode */
4130 if (gameMode == IcsExamining && !newGame) {
4131 gameInfo.result = GameUnfinished;
4132 if (gameInfo.resultDetails != NULL) {
4133 free(gameInfo.resultDetails);
4134 gameInfo.resultDetails = NULL;
4138 /* In pausing && IcsExamining mode, we ignore boards coming
4139 in if they are in a different variation than we are. */
4140 if (pauseExamInvalid) return;
4141 if (pausing && gameMode == IcsExamining) {
4142 if (moveNum <= pauseExamForwardMostMove) {
4143 pauseExamInvalid = TRUE;
4144 forwardMostMove = pauseExamForwardMostMove;
4149 if (appData.debugMode) {
4150 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4152 /* Parse the board */
4153 for (k = 0; k < ranks; k++) {
4154 for (j = 0; j < files; j++)
4155 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4156 if(gameInfo.holdingsWidth > 1) {
4157 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4158 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4161 CopyBoard(boards[moveNum], board);
4162 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4164 startedFromSetupPosition =
4165 !CompareBoards(board, initialPosition);
4166 if(startedFromSetupPosition)
4167 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4170 /* [HGM] Set castling rights. Take the outermost Rooks,
4171 to make it also work for FRC opening positions. Note that board12
4172 is really defective for later FRC positions, as it has no way to
4173 indicate which Rook can castle if they are on the same side of King.
4174 For the initial position we grant rights to the outermost Rooks,
4175 and remember thos rights, and we then copy them on positions
4176 later in an FRC game. This means WB might not recognize castlings with
4177 Rooks that have moved back to their original position as illegal,
4178 but in ICS mode that is not its job anyway.
4180 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4181 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4183 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4184 if(board[0][i] == WhiteRook) j = i;
4185 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4186 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4187 if(board[0][i] == WhiteRook) j = i;
4188 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4189 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4190 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4191 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4192 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4193 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4194 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4196 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4197 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4198 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4199 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4200 if(board[BOARD_HEIGHT-1][k] == bKing)
4201 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4202 if(gameInfo.variant == VariantTwoKings) {
4203 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4204 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4205 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4208 r = boards[moveNum][CASTLING][0] = initialRights[0];
4209 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4210 r = boards[moveNum][CASTLING][1] = initialRights[1];
4211 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4212 r = boards[moveNum][CASTLING][3] = initialRights[3];
4213 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4214 r = boards[moveNum][CASTLING][4] = initialRights[4];
4215 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4216 /* wildcastle kludge: always assume King has rights */
4217 r = boards[moveNum][CASTLING][2] = initialRights[2];
4218 r = boards[moveNum][CASTLING][5] = initialRights[5];
4220 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4221 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4224 if (ics_getting_history == H_GOT_REQ_HEADER ||
4225 ics_getting_history == H_GOT_UNREQ_HEADER) {
4226 /* This was an initial position from a move list, not
4227 the current position */
4231 /* Update currentMove and known move number limits */
4232 newMove = newGame || moveNum > forwardMostMove;
4235 forwardMostMove = backwardMostMove = currentMove = moveNum;
4236 if (gameMode == IcsExamining && moveNum == 0) {
4237 /* Workaround for ICS limitation: we are not told the wild
4238 type when starting to examine a game. But if we ask for
4239 the move list, the move list header will tell us */
4240 ics_getting_history = H_REQUESTED;
4241 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4244 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4245 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4247 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4248 /* [HGM] applied this also to an engine that is silently watching */
4249 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4250 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4251 gameInfo.variant == currentlyInitializedVariant) {
4252 takeback = forwardMostMove - moveNum;
4253 for (i = 0; i < takeback; i++) {
4254 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4255 SendToProgram("undo\n", &first);
4260 forwardMostMove = moveNum;
4261 if (!pausing || currentMove > forwardMostMove)
4262 currentMove = forwardMostMove;
4264 /* New part of history that is not contiguous with old part */
4265 if (pausing && gameMode == IcsExamining) {
4266 pauseExamInvalid = TRUE;
4267 forwardMostMove = pauseExamForwardMostMove;
4270 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4272 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4273 // [HGM] when we will receive the move list we now request, it will be
4274 // fed to the engine from the first move on. So if the engine is not
4275 // in the initial position now, bring it there.
4276 InitChessProgram(&first, 0);
4279 ics_getting_history = H_REQUESTED;
4280 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4283 forwardMostMove = backwardMostMove = currentMove = moveNum;
4286 /* Update the clocks */
4287 if (strchr(elapsed_time, '.')) {
4289 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4290 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4292 /* Time is in seconds */
4293 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4294 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4299 if (appData.zippyPlay && newGame &&
4300 gameMode != IcsObserving && gameMode != IcsIdle &&
4301 gameMode != IcsExamining)
4302 ZippyFirstBoard(moveNum, basetime, increment);
4305 /* Put the move on the move list, first converting
4306 to canonical algebraic form. */
4308 if (appData.debugMode) {
4309 if (appData.debugMode) { int f = forwardMostMove;
4310 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4311 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4312 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4314 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4315 fprintf(debugFP, "moveNum = %d\n", moveNum);
4316 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4317 setbuf(debugFP, NULL);
4319 if (moveNum <= backwardMostMove) {
4320 /* We don't know what the board looked like before
4322 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4323 strcat(parseList[moveNum - 1], " ");
4324 strcat(parseList[moveNum - 1], elapsed_time);
4325 moveList[moveNum - 1][0] = NULLCHAR;
4326 } else if (strcmp(move_str, "none") == 0) {
4327 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4328 /* Again, we don't know what the board looked like;
4329 this is really the start of the game. */
4330 parseList[moveNum - 1][0] = NULLCHAR;
4331 moveList[moveNum - 1][0] = NULLCHAR;
4332 backwardMostMove = moveNum;
4333 startedFromSetupPosition = TRUE;
4334 fromX = fromY = toX = toY = -1;
4336 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4337 // So we parse the long-algebraic move string in stead of the SAN move
4338 int valid; char buf[MSG_SIZ], *prom;
4340 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4341 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4342 // str looks something like "Q/a1-a2"; kill the slash
4344 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4345 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4346 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4347 strcat(buf, prom); // long move lacks promo specification!
4348 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4349 if(appData.debugMode)
4350 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4351 safeStrCpy(move_str, buf, sizeof(move_str)/sizeof(move_str[0]));
4353 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4354 &fromX, &fromY, &toX, &toY, &promoChar)
4355 || ParseOneMove(buf, moveNum - 1, &moveType,
4356 &fromX, &fromY, &toX, &toY, &promoChar);
4357 // end of long SAN patch
4359 (void) CoordsToAlgebraic(boards[moveNum - 1],
4360 PosFlags(moveNum - 1),
4361 fromY, fromX, toY, toX, promoChar,
4362 parseList[moveNum-1]);
4363 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4369 if(gameInfo.variant != VariantShogi)
4370 strcat(parseList[moveNum - 1], "+");
4373 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4374 strcat(parseList[moveNum - 1], "#");
4377 strcat(parseList[moveNum - 1], " ");
4378 strcat(parseList[moveNum - 1], elapsed_time);
4379 /* currentMoveString is set as a side-effect of ParseOneMove */
4380 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '+';
4381 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4382 strcat(moveList[moveNum - 1], "\n");
4384 if(gameInfo.holdingsWidth && !appData.disguise) // inherit info that ICS does not give from previous board
4385 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4386 ChessSquare old, new = boards[moveNum][k][j];
4387 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4388 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4389 if(old == new) continue;
4390 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4391 else if(new == WhiteWazir || new == BlackWazir) {
4392 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4393 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4394 else boards[moveNum][k][j] = old; // preserve type of Gold
4395 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4396 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4399 /* Move from ICS was illegal!? Punt. */
4400 if (appData.debugMode) {
4401 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4402 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4404 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4405 strcat(parseList[moveNum - 1], " ");
4406 strcat(parseList[moveNum - 1], elapsed_time);
4407 moveList[moveNum - 1][0] = NULLCHAR;
4408 fromX = fromY = toX = toY = -1;
4411 if (appData.debugMode) {
4412 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4413 setbuf(debugFP, NULL);
4417 /* Send move to chess program (BEFORE animating it). */
4418 if (appData.zippyPlay && !newGame && newMove &&
4419 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4421 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4422 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4423 if (moveList[moveNum - 1][0] == NULLCHAR) {
4424 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4426 DisplayError(str, 0);
4428 if (first.sendTime) {
4429 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4431 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4432 if (firstMove && !bookHit) {
4434 if (first.useColors) {
4435 SendToProgram(gameMode == IcsPlayingWhite ?
4437 "black\ngo\n", &first);
4439 SendToProgram("go\n", &first);
4441 first.maybeThinking = TRUE;
4444 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4445 if (moveList[moveNum - 1][0] == NULLCHAR) {
4446 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4447 DisplayError(str, 0);
4449 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4450 SendMoveToProgram(moveNum - 1, &first);
4457 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4458 /* If move comes from a remote source, animate it. If it
4459 isn't remote, it will have already been animated. */
4460 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4461 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4463 if (!pausing && appData.highlightLastMove) {
4464 SetHighlights(fromX, fromY, toX, toY);
4468 /* Start the clocks */
4469 whiteFlag = blackFlag = FALSE;
4470 appData.clockMode = !(basetime == 0 && increment == 0);
4472 ics_clock_paused = TRUE;
4474 } else if (ticking == 1) {
4475 ics_clock_paused = FALSE;
4477 if (gameMode == IcsIdle ||
4478 relation == RELATION_OBSERVING_STATIC ||
4479 relation == RELATION_EXAMINING ||
4481 DisplayBothClocks();
4485 /* Display opponents and material strengths */
4486 if (gameInfo.variant != VariantBughouse &&
4487 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4488 if (tinyLayout || smallLayout) {
4489 if(gameInfo.variant == VariantNormal)
4490 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4491 gameInfo.white, white_stren, gameInfo.black, black_stren,
4492 basetime, increment);
4494 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4495 gameInfo.white, white_stren, gameInfo.black, black_stren,
4496 basetime, increment, (int) gameInfo.variant);
4498 if(gameInfo.variant == VariantNormal)
4499 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d}",
4500 gameInfo.white, white_stren, gameInfo.black, black_stren,
4501 basetime, increment);
4503 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d %s}",
4504 gameInfo.white, white_stren, gameInfo.black, black_stren,
4505 basetime, increment, VariantName(gameInfo.variant));
4508 if (appData.debugMode) {
4509 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4514 /* Display the board */
4515 if (!pausing && !appData.noGUI) {
4517 if (appData.premove)
4519 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4520 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4521 ClearPremoveHighlights();
4523 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4524 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4525 DrawPosition(j, boards[currentMove]);
4527 DisplayMove(moveNum - 1);
4528 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4529 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4530 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4531 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4535 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4537 if(bookHit) { // [HGM] book: simulate book reply
4538 static char bookMove[MSG_SIZ]; // a bit generous?
4540 programStats.nodes = programStats.depth = programStats.time =
4541 programStats.score = programStats.got_only_move = 0;
4542 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4544 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4545 strcat(bookMove, bookHit);
4546 HandleMachineMove(bookMove, &first);
4555 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4556 ics_getting_history = H_REQUESTED;
4557 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4563 AnalysisPeriodicEvent(force)
4566 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4567 && !force) || !appData.periodicUpdates)
4570 /* Send . command to Crafty to collect stats */
4571 SendToProgram(".\n", &first);
4573 /* Don't send another until we get a response (this makes
4574 us stop sending to old Crafty's which don't understand
4575 the "." command (sending illegal cmds resets node count & time,
4576 which looks bad)) */
4577 programStats.ok_to_send = 0;
4580 void ics_update_width(new_width)
4583 ics_printf("set width %d\n", new_width);
4587 SendMoveToProgram(moveNum, cps)
4589 ChessProgramState *cps;
4593 if (cps->useUsermove) {
4594 SendToProgram("usermove ", cps);
4598 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4599 int len = space - parseList[moveNum];
4600 memcpy(buf, parseList[moveNum], len);
4602 buf[len] = NULLCHAR;
4604 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4606 SendToProgram(buf, cps);
4608 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4609 AlphaRank(moveList[moveNum], 4);
4610 SendToProgram(moveList[moveNum], cps);
4611 AlphaRank(moveList[moveNum], 4); // and back
4613 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4614 * the engine. It would be nice to have a better way to identify castle
4616 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4617 && cps->useOOCastle) {
4618 int fromX = moveList[moveNum][0] - AAA;
4619 int fromY = moveList[moveNum][1] - ONE;
4620 int toX = moveList[moveNum][2] - AAA;
4621 int toY = moveList[moveNum][3] - ONE;
4622 if((boards[moveNum][fromY][fromX] == WhiteKing
4623 && boards[moveNum][toY][toX] == WhiteRook)
4624 || (boards[moveNum][fromY][fromX] == BlackKing
4625 && boards[moveNum][toY][toX] == BlackRook)) {
4626 if(toX > fromX) SendToProgram("O-O\n", cps);
4627 else SendToProgram("O-O-O\n", cps);
4629 else SendToProgram(moveList[moveNum], cps);
4631 else SendToProgram(moveList[moveNum], cps);
4632 /* End of additions by Tord */
4635 /* [HGM] setting up the opening has brought engine in force mode! */
4636 /* Send 'go' if we are in a mode where machine should play. */
4637 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4638 (gameMode == TwoMachinesPlay ||
4640 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4642 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4643 SendToProgram("go\n", cps);
4644 if (appData.debugMode) {
4645 fprintf(debugFP, "(extra)\n");
4648 setboardSpoiledMachineBlack = 0;
4652 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar)
4654 int fromX, fromY, toX, toY;
4657 char user_move[MSG_SIZ];
4661 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4662 (int)moveType, fromX, fromY, toX, toY);
4663 DisplayError(user_move + strlen("say "), 0);
4665 case WhiteKingSideCastle:
4666 case BlackKingSideCastle:
4667 case WhiteQueenSideCastleWild:
4668 case BlackQueenSideCastleWild:
4670 case WhiteHSideCastleFR:
4671 case BlackHSideCastleFR:
4673 snprintf(user_move, MSG_SIZ, "o-o\n");
4675 case WhiteQueenSideCastle:
4676 case BlackQueenSideCastle:
4677 case WhiteKingSideCastleWild:
4678 case BlackKingSideCastleWild:
4680 case WhiteASideCastleFR:
4681 case BlackASideCastleFR:
4683 snprintf(user_move, MSG_SIZ, "o-o-o\n");
4685 case WhiteNonPromotion:
4686 case BlackNonPromotion:
4687 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4689 case WhitePromotion:
4690 case BlackPromotion:
4691 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4692 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4693 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4694 PieceToChar(WhiteFerz));
4695 else if(gameInfo.variant == VariantGreat)
4696 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
4697 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4698 PieceToChar(WhiteMan));
4700 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4701 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4707 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
4708 ToUpper(PieceToChar((ChessSquare) fromX)),
4709 AAA + toX, ONE + toY);
4711 case IllegalMove: /* could be a variant we don't quite understand */
4712 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
4714 case WhiteCapturesEnPassant:
4715 case BlackCapturesEnPassant:
4716 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
4717 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4720 SendToICS(user_move);
4721 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
4722 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
4727 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
4728 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
4729 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
4730 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
4731 DisplayError("You cannot do this while you are playing or observing", 0);
4734 if(gameMode != IcsExamining) { // is this ever not the case?
4735 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
4737 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
4738 snprintf(command,MSG_SIZ, "match %s", ics_handle);
4739 } else { // on FICS we must first go to general examine mode
4740 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
4742 if(gameInfo.variant != VariantNormal) {
4743 // try figure out wild number, as xboard names are not always valid on ICS
4744 for(i=1; i<=36; i++) {
4745 snprintf(buf, MSG_SIZ, "wild/%d", i);
4746 if(StringToVariant(buf) == gameInfo.variant) break;
4748 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
4749 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
4750 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
4751 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
4752 SendToICS(ics_prefix);
4754 if(startedFromSetupPosition || backwardMostMove != 0) {
4755 fen = PositionToFEN(backwardMostMove, NULL);
4756 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
4757 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
4759 } else { // FICS: everything has to set by separate bsetup commands
4760 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
4761 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
4763 if(!WhiteOnMove(backwardMostMove)) {
4764 SendToICS("bsetup tomove black\n");
4766 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
4767 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
4769 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
4770 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
4772 i = boards[backwardMostMove][EP_STATUS];
4773 if(i >= 0) { // set e.p.
4774 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
4780 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
4781 SendToICS("bsetup done\n"); // switch to normal examining.
4783 for(i = backwardMostMove; i<last; i++) {
4785 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
4788 SendToICS(ics_prefix);
4789 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
4793 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
4798 if (rf == DROP_RANK) {
4799 sprintf(move, "%c@%c%c\n",
4800 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
4802 if (promoChar == 'x' || promoChar == NULLCHAR) {
4803 sprintf(move, "%c%c%c%c\n",
4804 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
4806 sprintf(move, "%c%c%c%c%c\n",
4807 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
4813 ProcessICSInitScript(f)
4818 while (fgets(buf, MSG_SIZ, f)) {
4819 SendToICSDelayed(buf,(long)appData.msLoginDelay);
4826 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
4828 AlphaRank(char *move, int n)
4830 // char *p = move, c; int x, y;
4832 if (appData.debugMode) {
4833 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
4837 move[2]>='0' && move[2]<='9' &&
4838 move[3]>='a' && move[3]<='x' ) {
4840 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4841 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4843 if(move[0]>='0' && move[0]<='9' &&
4844 move[1]>='a' && move[1]<='x' &&
4845 move[2]>='0' && move[2]<='9' &&
4846 move[3]>='a' && move[3]<='x' ) {
4847 /* input move, Shogi -> normal */
4848 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
4849 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
4850 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4851 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4854 move[3]>='0' && move[3]<='9' &&
4855 move[2]>='a' && move[2]<='x' ) {
4857 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4858 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4861 move[0]>='a' && move[0]<='x' &&
4862 move[3]>='0' && move[3]<='9' &&
4863 move[2]>='a' && move[2]<='x' ) {
4864 /* output move, normal -> Shogi */
4865 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
4866 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
4867 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4868 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4869 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
4871 if (appData.debugMode) {
4872 fprintf(debugFP, " out = '%s'\n", move);
4876 char yy_textstr[8000];
4878 /* Parser for moves from gnuchess, ICS, or user typein box */
4880 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
4883 ChessMove *moveType;
4884 int *fromX, *fromY, *toX, *toY;
4887 if (appData.debugMode) {
4888 fprintf(debugFP, "move to parse: %s\n", move);
4890 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
4892 switch (*moveType) {
4893 case WhitePromotion:
4894 case BlackPromotion:
4895 case WhiteNonPromotion:
4896 case BlackNonPromotion:
4898 case WhiteCapturesEnPassant:
4899 case BlackCapturesEnPassant:
4900 case WhiteKingSideCastle:
4901 case WhiteQueenSideCastle:
4902 case BlackKingSideCastle:
4903 case BlackQueenSideCastle:
4904 case WhiteKingSideCastleWild:
4905 case WhiteQueenSideCastleWild:
4906 case BlackKingSideCastleWild:
4907 case BlackQueenSideCastleWild:
4908 /* Code added by Tord: */
4909 case WhiteHSideCastleFR:
4910 case WhiteASideCastleFR:
4911 case BlackHSideCastleFR:
4912 case BlackASideCastleFR:
4913 /* End of code added by Tord */
4914 case IllegalMove: /* bug or odd chess variant */
4915 *fromX = currentMoveString[0] - AAA;
4916 *fromY = currentMoveString[1] - ONE;
4917 *toX = currentMoveString[2] - AAA;
4918 *toY = currentMoveString[3] - ONE;
4919 *promoChar = currentMoveString[4];
4920 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
4921 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
4922 if (appData.debugMode) {
4923 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
4925 *fromX = *fromY = *toX = *toY = 0;
4928 if (appData.testLegality) {
4929 return (*moveType != IllegalMove);
4931 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
4932 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
4937 *fromX = *moveType == WhiteDrop ?
4938 (int) CharToPiece(ToUpper(currentMoveString[0])) :
4939 (int) CharToPiece(ToLower(currentMoveString[0]));
4941 *toX = currentMoveString[2] - AAA;
4942 *toY = currentMoveString[3] - ONE;
4943 *promoChar = NULLCHAR;
4947 case ImpossibleMove:
4957 if (appData.debugMode) {
4958 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
4961 *fromX = *fromY = *toX = *toY = 0;
4962 *promoChar = NULLCHAR;
4969 ParsePV(char *pv, Boolean storeComments)
4970 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
4971 int fromX, fromY, toX, toY; char promoChar;
4976 endPV = forwardMostMove;
4978 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
4979 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
4980 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
4981 if(appData.debugMode){
4982 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);
4984 if(!valid && nr == 0 &&
4985 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
4986 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
4987 // Hande case where played move is different from leading PV move
4988 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
4989 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
4990 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
4991 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
4992 endPV += 2; // if position different, keep this
4993 moveList[endPV-1][0] = fromX + AAA;
4994 moveList[endPV-1][1] = fromY + ONE;
4995 moveList[endPV-1][2] = toX + AAA;
4996 moveList[endPV-1][3] = toY + ONE;
4997 parseList[endPV-1][0] = NULLCHAR;
4998 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5001 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5002 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5003 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5004 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5005 valid++; // allow comments in PV
5009 if(endPV+1 > framePtr) break; // no space, truncate
5012 CopyBoard(boards[endPV], boards[endPV-1]);
5013 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5014 moveList[endPV-1][0] = fromX + AAA;
5015 moveList[endPV-1][1] = fromY + ONE;
5016 moveList[endPV-1][2] = toX + AAA;
5017 moveList[endPV-1][3] = toY + ONE;
5019 CoordsToAlgebraic(boards[endPV - 1],
5020 PosFlags(endPV - 1),
5021 fromY, fromX, toY, toX, promoChar,
5022 parseList[endPV - 1]);
5024 parseList[endPV-1][0] = NULLCHAR;
5026 currentMove = endPV;
5027 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5028 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5029 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5030 DrawPosition(TRUE, boards[currentMove]);
5033 static int lastX, lastY;
5036 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
5041 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5042 lastX = x; lastY = y;
5043 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5045 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5046 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5048 do{ while(buf[index] && buf[index] != '\n') index++;
5049 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5051 ParsePV(buf+startPV, FALSE);
5052 *start = startPV; *end = index-1;
5057 LoadPV(int x, int y)
5058 { // called on right mouse click to load PV
5059 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5060 lastX = x; lastY = y;
5061 ParsePV(lastPV[which], FALSE); // load the PV of the thinking engine in the boards array.
5068 if(endPV < 0) return;
5070 currentMove = forwardMostMove;
5071 ClearPremoveHighlights();
5072 DrawPosition(TRUE, boards[currentMove]);
5076 MovePV(int x, int y, int h)
5077 { // step through PV based on mouse coordinates (called on mouse move)
5078 int margin = h>>3, step = 0;
5080 if(endPV < 0) return;
5081 // we must somehow check if right button is still down (might be released off board!)
5082 if(y < margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = 1; else
5083 if(y > h - margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = -1; else
5084 if( y > lastY + 6 ) step = -1; else if(y < lastY - 6) step = 1;
5086 lastX = x; lastY = y;
5087 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5088 currentMove += step;
5089 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5090 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5091 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5092 DrawPosition(FALSE, boards[currentMove]);
5096 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5097 // All positions will have equal probability, but the current method will not provide a unique
5098 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5104 int piecesLeft[(int)BlackPawn];
5105 int seed, nrOfShuffles;
5107 void GetPositionNumber()
5108 { // sets global variable seed
5111 seed = appData.defaultFrcPosition;
5112 if(seed < 0) { // randomize based on time for negative FRC position numbers
5113 for(i=0; i<50; i++) seed += random();
5114 seed = random() ^ random() >> 8 ^ random() << 8;
5115 if(seed<0) seed = -seed;
5119 int put(Board board, int pieceType, int rank, int n, int shade)
5120 // put the piece on the (n-1)-th empty squares of the given shade
5124 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5125 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5126 board[rank][i] = (ChessSquare) pieceType;
5127 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5129 piecesLeft[pieceType]--;
5137 void AddOnePiece(Board board, int pieceType, int rank, int shade)
5138 // calculate where the next piece goes, (any empty square), and put it there
5142 i = seed % squaresLeft[shade];
5143 nrOfShuffles *= squaresLeft[shade];
5144 seed /= squaresLeft[shade];
5145 put(board, pieceType, rank, i, shade);
5148 void AddTwoPieces(Board board, int pieceType, int rank)
5149 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5151 int i, n=squaresLeft[ANY], j=n-1, k;
5153 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5154 i = seed % k; // pick one
5157 while(i >= j) i -= j--;
5158 j = n - 1 - j; i += j;
5159 put(board, pieceType, rank, j, ANY);
5160 put(board, pieceType, rank, i, ANY);
5163 void SetUpShuffle(Board board, int number)
5167 GetPositionNumber(); nrOfShuffles = 1;
5169 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5170 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5171 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5173 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5175 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5176 p = (int) board[0][i];
5177 if(p < (int) BlackPawn) piecesLeft[p] ++;
5178 board[0][i] = EmptySquare;
5181 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5182 // shuffles restricted to allow normal castling put KRR first
5183 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5184 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5185 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5186 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5187 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5188 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5189 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5190 put(board, WhiteRook, 0, 0, ANY);
5191 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5194 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5195 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5196 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5197 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5198 while(piecesLeft[p] >= 2) {
5199 AddOnePiece(board, p, 0, LITE);
5200 AddOnePiece(board, p, 0, DARK);
5202 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5205 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5206 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5207 // but we leave King and Rooks for last, to possibly obey FRC restriction
5208 if(p == (int)WhiteRook) continue;
5209 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5210 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5213 // now everything is placed, except perhaps King (Unicorn) and Rooks
5215 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5216 // Last King gets castling rights
5217 while(piecesLeft[(int)WhiteUnicorn]) {
5218 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5219 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5222 while(piecesLeft[(int)WhiteKing]) {
5223 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5224 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5229 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5230 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5233 // Only Rooks can be left; simply place them all
5234 while(piecesLeft[(int)WhiteRook]) {
5235 i = put(board, WhiteRook, 0, 0, ANY);
5236 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5239 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5241 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5244 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5245 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5248 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5251 int SetCharTable( char *table, const char * map )
5252 /* [HGM] moved here from winboard.c because of its general usefulness */
5253 /* Basically a safe strcpy that uses the last character as King */
5255 int result = FALSE; int NrPieces;
5257 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5258 && NrPieces >= 12 && !(NrPieces&1)) {
5259 int i; /* [HGM] Accept even length from 12 to 34 */
5261 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5262 for( i=0; i<NrPieces/2-1; i++ ) {
5264 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5266 table[(int) WhiteKing] = map[NrPieces/2-1];
5267 table[(int) BlackKing] = map[NrPieces-1];
5275 void Prelude(Board board)
5276 { // [HGM] superchess: random selection of exo-pieces
5277 int i, j, k; ChessSquare p;
5278 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5280 GetPositionNumber(); // use FRC position number
5282 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5283 SetCharTable(pieceToChar, appData.pieceToCharTable);
5284 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5285 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5288 j = seed%4; seed /= 4;
5289 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5290 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5291 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5292 j = seed%3 + (seed%3 >= j); seed /= 3;
5293 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5294 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5295 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5296 j = seed%3; seed /= 3;
5297 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5298 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5299 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5300 j = seed%2 + (seed%2 >= j); seed /= 2;
5301 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5302 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5303 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5304 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5305 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5306 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5307 put(board, exoPieces[0], 0, 0, ANY);
5308 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5312 InitPosition(redraw)
5315 ChessSquare (* pieces)[BOARD_FILES];
5316 int i, j, pawnRow, overrule,
5317 oldx = gameInfo.boardWidth,
5318 oldy = gameInfo.boardHeight,
5319 oldh = gameInfo.holdingsWidth,
5320 oldv = gameInfo.variant;
5322 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5324 /* [AS] Initialize pv info list [HGM] and game status */
5326 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5327 pvInfoList[i].depth = 0;
5328 boards[i][EP_STATUS] = EP_NONE;
5329 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5332 initialRulePlies = 0; /* 50-move counter start */
5334 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5335 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5339 /* [HGM] logic here is completely changed. In stead of full positions */
5340 /* the initialized data only consist of the two backranks. The switch */
5341 /* selects which one we will use, which is than copied to the Board */
5342 /* initialPosition, which for the rest is initialized by Pawns and */
5343 /* empty squares. This initial position is then copied to boards[0], */
5344 /* possibly after shuffling, so that it remains available. */
5346 gameInfo.holdingsWidth = 0; /* default board sizes */
5347 gameInfo.boardWidth = 8;
5348 gameInfo.boardHeight = 8;
5349 gameInfo.holdingsSize = 0;
5350 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5351 for(i=0; i<BOARD_FILES-2; i++)
5352 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5353 initialPosition[EP_STATUS] = EP_NONE;
5354 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5355 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5356 SetCharTable(pieceNickName, appData.pieceNickNames);
5357 else SetCharTable(pieceNickName, "............");
5359 switch (gameInfo.variant) {
5360 case VariantFischeRandom:
5361 shuffleOpenings = TRUE;
5365 case VariantShatranj:
5366 pieces = ShatranjArray;
5367 nrCastlingRights = 0;
5368 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5371 pieces = makrukArray;
5372 nrCastlingRights = 0;
5373 startedFromSetupPosition = TRUE;
5374 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5376 case VariantTwoKings:
5377 pieces = twoKingsArray;
5379 case VariantCapaRandom:
5380 shuffleOpenings = TRUE;
5381 case VariantCapablanca:
5382 pieces = CapablancaArray;
5383 gameInfo.boardWidth = 10;
5384 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5387 pieces = GothicArray;
5388 gameInfo.boardWidth = 10;
5389 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5392 pieces = JanusArray;
5393 gameInfo.boardWidth = 10;
5394 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5395 nrCastlingRights = 6;
5396 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5397 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5398 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5399 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5400 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5401 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5404 pieces = FalconArray;
5405 gameInfo.boardWidth = 10;
5406 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5408 case VariantXiangqi:
5409 pieces = XiangqiArray;
5410 gameInfo.boardWidth = 9;
5411 gameInfo.boardHeight = 10;
5412 nrCastlingRights = 0;
5413 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5416 pieces = ShogiArray;
5417 gameInfo.boardWidth = 9;
5418 gameInfo.boardHeight = 9;
5419 gameInfo.holdingsSize = 7;
5420 nrCastlingRights = 0;
5421 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5423 case VariantCourier:
5424 pieces = CourierArray;
5425 gameInfo.boardWidth = 12;
5426 nrCastlingRights = 0;
5427 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5429 case VariantKnightmate:
5430 pieces = KnightmateArray;
5431 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5434 pieces = fairyArray;
5435 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5438 pieces = GreatArray;
5439 gameInfo.boardWidth = 10;
5440 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5441 gameInfo.holdingsSize = 8;
5445 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5446 gameInfo.holdingsSize = 8;
5447 startedFromSetupPosition = TRUE;
5449 case VariantCrazyhouse:
5450 case VariantBughouse:
5452 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5453 gameInfo.holdingsSize = 5;
5455 case VariantWildCastle:
5457 /* !!?shuffle with kings guaranteed to be on d or e file */
5458 shuffleOpenings = 1;
5460 case VariantNoCastle:
5462 nrCastlingRights = 0;
5463 /* !!?unconstrained back-rank shuffle */
5464 shuffleOpenings = 1;
5469 if(appData.NrFiles >= 0) {
5470 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5471 gameInfo.boardWidth = appData.NrFiles;
5473 if(appData.NrRanks >= 0) {
5474 gameInfo.boardHeight = appData.NrRanks;
5476 if(appData.holdingsSize >= 0) {
5477 i = appData.holdingsSize;
5478 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5479 gameInfo.holdingsSize = i;
5481 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5482 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5483 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5485 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5486 if(pawnRow < 1) pawnRow = 1;
5487 if(gameInfo.variant == VariantMakruk) pawnRow = 2;
5489 /* User pieceToChar list overrules defaults */
5490 if(appData.pieceToCharTable != NULL)
5491 SetCharTable(pieceToChar, appData.pieceToCharTable);
5493 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5495 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5496 s = (ChessSquare) 0; /* account holding counts in guard band */
5497 for( i=0; i<BOARD_HEIGHT; i++ )
5498 initialPosition[i][j] = s;
5500 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5501 initialPosition[0][j] = pieces[0][j-gameInfo.holdingsWidth];
5502 initialPosition[pawnRow][j] = WhitePawn;
5503 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = BlackPawn;
5504 if(gameInfo.variant == VariantXiangqi) {
5506 initialPosition[pawnRow][j] =
5507 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5508 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5509 initialPosition[2][j] = WhiteCannon;
5510 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5514 initialPosition[BOARD_HEIGHT-1][j] = pieces[1][j-gameInfo.holdingsWidth];
5516 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5519 initialPosition[1][j] = WhiteBishop;
5520 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5522 initialPosition[1][j] = WhiteRook;
5523 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5526 if( nrCastlingRights == -1) {
5527 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5528 /* This sets default castling rights from none to normal corners */
5529 /* Variants with other castling rights must set them themselves above */
5530 nrCastlingRights = 6;
5532 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5533 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5534 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5535 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5536 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5537 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5540 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5541 if(gameInfo.variant == VariantGreat) { // promotion commoners
5542 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5543 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5544 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5545 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5547 if (appData.debugMode) {
5548 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5550 if(shuffleOpenings) {
5551 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5552 startedFromSetupPosition = TRUE;
5554 if(startedFromPositionFile) {
5555 /* [HGM] loadPos: use PositionFile for every new game */
5556 CopyBoard(initialPosition, filePosition);
5557 for(i=0; i<nrCastlingRights; i++)
5558 initialRights[i] = filePosition[CASTLING][i];
5559 startedFromSetupPosition = TRUE;
5562 CopyBoard(boards[0], initialPosition);
5564 if(oldx != gameInfo.boardWidth ||
5565 oldy != gameInfo.boardHeight ||
5566 oldh != gameInfo.holdingsWidth
5568 || oldv == VariantGothic || // For licensing popups
5569 gameInfo.variant == VariantGothic
5572 || oldv == VariantFalcon ||
5573 gameInfo.variant == VariantFalcon
5576 InitDrawingSizes(-2 ,0);
5579 DrawPosition(TRUE, boards[currentMove]);
5583 SendBoard(cps, moveNum)
5584 ChessProgramState *cps;
5587 char message[MSG_SIZ];
5589 if (cps->useSetboard) {
5590 char* fen = PositionToFEN(moveNum, cps->fenOverride);
5591 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
5592 SendToProgram(message, cps);
5598 /* Kludge to set black to move, avoiding the troublesome and now
5599 * deprecated "black" command.
5601 if (!WhiteOnMove(moveNum)) SendToProgram("a2a3\n", cps);
5603 SendToProgram("edit\n", cps);
5604 SendToProgram("#\n", cps);
5605 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5606 bp = &boards[moveNum][i][BOARD_LEFT];
5607 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5608 if ((int) *bp < (int) BlackPawn) {
5609 snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp),
5611 if(message[0] == '+' || message[0] == '~') {
5612 snprintf(message, MSG_SIZ,"%c%c%c+\n",
5613 PieceToChar((ChessSquare)(DEMOTED *bp)),
5616 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5617 message[1] = BOARD_RGHT - 1 - j + '1';
5618 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5620 SendToProgram(message, cps);
5625 SendToProgram("c\n", cps);
5626 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5627 bp = &boards[moveNum][i][BOARD_LEFT];
5628 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5629 if (((int) *bp != (int) EmptySquare)
5630 && ((int) *bp >= (int) BlackPawn)) {
5631 snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
5633 if(message[0] == '+' || message[0] == '~') {
5634 snprintf(message, MSG_SIZ,"%c%c%c+\n",
5635 PieceToChar((ChessSquare)(DEMOTED *bp)),
5638 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5639 message[1] = BOARD_RGHT - 1 - j + '1';
5640 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5642 SendToProgram(message, cps);
5647 SendToProgram(".\n", cps);
5649 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
5652 static int autoQueen; // [HGM] oneclick
5655 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice)
5657 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
5658 /* [HGM] add Shogi promotions */
5659 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
5664 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
5665 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
5667 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
5668 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
5671 piece = boards[currentMove][fromY][fromX];
5672 if(gameInfo.variant == VariantShogi) {
5673 promotionZoneSize = BOARD_HEIGHT/3;
5674 highestPromotingPiece = (int)WhiteFerz;
5675 } else if(gameInfo.variant == VariantMakruk) {
5676 promotionZoneSize = 3;
5679 // next weed out all moves that do not touch the promotion zone at all
5680 if((int)piece >= BlackPawn) {
5681 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
5683 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
5685 if( toY < BOARD_HEIGHT - promotionZoneSize &&
5686 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
5689 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
5691 // weed out mandatory Shogi promotions
5692 if(gameInfo.variant == VariantShogi) {
5693 if(piece >= BlackPawn) {
5694 if(toY == 0 && piece == BlackPawn ||
5695 toY == 0 && piece == BlackQueen ||
5696 toY <= 1 && piece == BlackKnight) {
5701 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
5702 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
5703 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
5710 // weed out obviously illegal Pawn moves
5711 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
5712 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
5713 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
5714 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
5715 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
5716 // note we are not allowed to test for valid (non-)capture, due to premove
5719 // we either have a choice what to promote to, or (in Shogi) whether to promote
5720 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
5721 *promoChoice = PieceToChar(BlackFerz); // no choice
5724 if(autoQueen) { // predetermined
5725 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantLosers)
5726 *promoChoice = PieceToChar(BlackKing); // in Suicide Q is the last thing we want
5727 else *promoChoice = PieceToChar(BlackQueen);
5731 // suppress promotion popup on illegal moves that are not premoves
5732 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
5733 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
5734 if(appData.testLegality && !premove) {
5735 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5736 fromY, fromX, toY, toX, NULLCHAR);
5737 if(moveType != WhitePromotion && moveType != BlackPromotion)
5745 InPalace(row, column)
5747 { /* [HGM] for Xiangqi */
5748 if( (row < 3 || row > BOARD_HEIGHT-4) &&
5749 column < (BOARD_WIDTH + 4)/2 &&
5750 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
5755 PieceForSquare (x, y)
5759 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
5762 return boards[currentMove][y][x];
5766 OKToStartUserMove(x, y)
5769 ChessSquare from_piece;
5772 if (matchMode) return FALSE;
5773 if (gameMode == EditPosition) return TRUE;
5775 if (x >= 0 && y >= 0)
5776 from_piece = boards[currentMove][y][x];
5778 from_piece = EmptySquare;
5780 if (from_piece == EmptySquare) return FALSE;
5782 white_piece = (int)from_piece >= (int)WhitePawn &&
5783 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
5786 case PlayFromGameFile:
5788 case TwoMachinesPlay:
5796 case MachinePlaysWhite:
5797 case IcsPlayingBlack:
5798 if (appData.zippyPlay) return FALSE;
5800 DisplayMoveError(_("You are playing Black"));
5805 case MachinePlaysBlack:
5806 case IcsPlayingWhite:
5807 if (appData.zippyPlay) return FALSE;
5809 DisplayMoveError(_("You are playing White"));
5815 if (!white_piece && WhiteOnMove(currentMove)) {
5816 DisplayMoveError(_("It is White's turn"));
5819 if (white_piece && !WhiteOnMove(currentMove)) {
5820 DisplayMoveError(_("It is Black's turn"));
5823 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
5824 /* Editing correspondence game history */
5825 /* Could disallow this or prompt for confirmation */
5830 case BeginningOfGame:
5831 if (appData.icsActive) return FALSE;
5832 if (!appData.noChessProgram) {
5834 DisplayMoveError(_("You are playing White"));
5841 if (!white_piece && WhiteOnMove(currentMove)) {
5842 DisplayMoveError(_("It is White's turn"));
5845 if (white_piece && !WhiteOnMove(currentMove)) {
5846 DisplayMoveError(_("It is Black's turn"));
5855 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
5856 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
5857 && gameMode != AnalyzeFile && gameMode != Training) {
5858 DisplayMoveError(_("Displayed position is not current"));
5865 OnlyMove(int *x, int *y, Boolean captures) {
5866 DisambiguateClosure cl;
5867 if (appData.zippyPlay) return FALSE;
5869 case MachinePlaysBlack:
5870 case IcsPlayingWhite:
5871 case BeginningOfGame:
5872 if(!WhiteOnMove(currentMove)) return FALSE;
5874 case MachinePlaysWhite:
5875 case IcsPlayingBlack:
5876 if(WhiteOnMove(currentMove)) return FALSE;
5881 cl.pieceIn = EmptySquare;
5886 cl.promoCharIn = NULLCHAR;
5887 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5888 if( cl.kind == NormalMove ||
5889 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5890 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
5891 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5898 if(cl.kind != ImpossibleMove) return FALSE;
5899 cl.pieceIn = EmptySquare;
5904 cl.promoCharIn = NULLCHAR;
5905 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5906 if( cl.kind == NormalMove ||
5907 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5908 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
5909 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5914 autoQueen = TRUE; // act as if autoQueen on when we click to-square
5920 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
5921 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
5922 int lastLoadGameUseList = FALSE;
5923 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
5924 ChessMove lastLoadGameStart = EndOfFile;
5927 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
5928 int fromX, fromY, toX, toY;
5932 ChessSquare pdown, pup;
5934 /* Check if the user is playing in turn. This is complicated because we
5935 let the user "pick up" a piece before it is his turn. So the piece he
5936 tried to pick up may have been captured by the time he puts it down!
5937 Therefore we use the color the user is supposed to be playing in this
5938 test, not the color of the piece that is currently on the starting
5939 square---except in EditGame mode, where the user is playing both
5940 sides; fortunately there the capture race can't happen. (It can
5941 now happen in IcsExamining mode, but that's just too bad. The user
5942 will get a somewhat confusing message in that case.)
5946 case PlayFromGameFile:
5948 case TwoMachinesPlay:
5952 /* We switched into a game mode where moves are not accepted,
5953 perhaps while the mouse button was down. */
5956 case MachinePlaysWhite:
5957 /* User is moving for Black */
5958 if (WhiteOnMove(currentMove)) {
5959 DisplayMoveError(_("It is White's turn"));
5964 case MachinePlaysBlack:
5965 /* User is moving for White */
5966 if (!WhiteOnMove(currentMove)) {
5967 DisplayMoveError(_("It is Black's turn"));
5974 case BeginningOfGame:
5977 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
5978 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
5979 /* User is moving for Black */
5980 if (WhiteOnMove(currentMove)) {
5981 DisplayMoveError(_("It is White's turn"));
5985 /* User is moving for White */
5986 if (!WhiteOnMove(currentMove)) {
5987 DisplayMoveError(_("It is Black's turn"));
5993 case IcsPlayingBlack:
5994 /* User is moving for Black */
5995 if (WhiteOnMove(currentMove)) {
5996 if (!appData.premove) {
5997 DisplayMoveError(_("It is White's turn"));
5998 } else if (toX >= 0 && toY >= 0) {
6001 premoveFromX = fromX;
6002 premoveFromY = fromY;
6003 premovePromoChar = promoChar;
6005 if (appData.debugMode)
6006 fprintf(debugFP, "Got premove: fromX %d,"
6007 "fromY %d, toX %d, toY %d\n",
6008 fromX, fromY, toX, toY);
6014 case IcsPlayingWhite:
6015 /* User is moving for White */
6016 if (!WhiteOnMove(currentMove)) {
6017 if (!appData.premove) {
6018 DisplayMoveError(_("It is Black's turn"));
6019 } else if (toX >= 0 && toY >= 0) {
6022 premoveFromX = fromX;
6023 premoveFromY = fromY;
6024 premovePromoChar = promoChar;
6026 if (appData.debugMode)
6027 fprintf(debugFP, "Got premove: fromX %d,"
6028 "fromY %d, toX %d, toY %d\n",
6029 fromX, fromY, toX, toY);
6039 /* EditPosition, empty square, or different color piece;
6040 click-click move is possible */
6041 if (toX == -2 || toY == -2) {
6042 boards[0][fromY][fromX] = EmptySquare;
6043 DrawPosition(FALSE, boards[currentMove]);
6045 } else if (toX >= 0 && toY >= 0) {
6046 boards[0][toY][toX] = boards[0][fromY][fromX];
6047 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6048 if(boards[0][fromY][0] != EmptySquare) {
6049 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6050 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6053 if(fromX == BOARD_RGHT+1) {
6054 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6055 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6056 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6059 boards[0][fromY][fromX] = EmptySquare;
6060 DrawPosition(FALSE, boards[currentMove]);
6066 if(toX < 0 || toY < 0) return;
6067 pdown = boards[currentMove][fromY][fromX];
6068 pup = boards[currentMove][toY][toX];
6070 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6071 if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) {
6072 if( pup != EmptySquare ) return;
6073 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6074 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6075 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6076 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6077 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6078 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6079 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6083 /* [HGM] always test for legality, to get promotion info */
6084 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6085 fromY, fromX, toY, toX, promoChar);
6086 /* [HGM] but possibly ignore an IllegalMove result */
6087 if (appData.testLegality) {
6088 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6089 DisplayMoveError(_("Illegal move"));
6094 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6097 /* Common tail of UserMoveEvent and DropMenuEvent */
6099 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
6101 int fromX, fromY, toX, toY;
6102 /*char*/int promoChar;
6106 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR) {
6107 // [HGM] superchess: suppress promotions to non-available piece
6108 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6109 if(WhiteOnMove(currentMove)) {
6110 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6112 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6116 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6117 move type in caller when we know the move is a legal promotion */
6118 if(moveType == NormalMove && promoChar)
6119 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6121 /* [HGM] <popupFix> The following if has been moved here from
6122 UserMoveEvent(). Because it seemed to belong here (why not allow
6123 piece drops in training games?), and because it can only be
6124 performed after it is known to what we promote. */
6125 if (gameMode == Training) {
6126 /* compare the move played on the board to the next move in the
6127 * game. If they match, display the move and the opponent's response.
6128 * If they don't match, display an error message.
6132 CopyBoard(testBoard, boards[currentMove]);
6133 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6135 if (CompareBoards(testBoard, boards[currentMove+1])) {
6136 ForwardInner(currentMove+1);
6138 /* Autoplay the opponent's response.
6139 * if appData.animate was TRUE when Training mode was entered,
6140 * the response will be animated.
6142 saveAnimate = appData.animate;
6143 appData.animate = animateTraining;
6144 ForwardInner(currentMove+1);
6145 appData.animate = saveAnimate;
6147 /* check for the end of the game */
6148 if (currentMove >= forwardMostMove) {
6149 gameMode = PlayFromGameFile;
6151 SetTrainingModeOff();
6152 DisplayInformation(_("End of game"));
6155 DisplayError(_("Incorrect move"), 0);
6160 /* Ok, now we know that the move is good, so we can kill
6161 the previous line in Analysis Mode */
6162 if ((gameMode == AnalyzeMode || gameMode == EditGame)
6163 && currentMove < forwardMostMove) {
6164 if(appData.variations) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6165 else forwardMostMove = currentMove;
6168 /* If we need the chess program but it's dead, restart it */
6169 ResurrectChessProgram();
6171 /* A user move restarts a paused game*/
6175 thinkOutput[0] = NULLCHAR;
6177 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6179 if(Adjudicate(NULL)) return 1; // [HGM] adjudicate: take care of automtic game end
6181 if (gameMode == BeginningOfGame) {
6182 if (appData.noChessProgram) {
6183 gameMode = EditGame;
6187 gameMode = MachinePlaysBlack;
6190 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
6192 if (first.sendName) {
6193 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6194 SendToProgram(buf, &first);
6201 /* Relay move to ICS or chess engine */
6202 if (appData.icsActive) {
6203 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6204 gameMode == IcsExamining) {
6205 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6206 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6208 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6210 // also send plain move, in case ICS does not understand atomic claims
6211 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6215 if (first.sendTime && (gameMode == BeginningOfGame ||
6216 gameMode == MachinePlaysWhite ||
6217 gameMode == MachinePlaysBlack)) {
6218 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6220 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6221 // [HGM] book: if program might be playing, let it use book
6222 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6223 first.maybeThinking = TRUE;
6224 } else SendMoveToProgram(forwardMostMove-1, &first);
6225 if (currentMove == cmailOldMove + 1) {
6226 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6230 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6234 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6240 if (WhiteOnMove(currentMove)) {
6241 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6243 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6247 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6252 case MachinePlaysBlack:
6253 case MachinePlaysWhite:
6254 /* disable certain menu options while machine is thinking */
6255 SetMachineThinkingEnables();
6262 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6264 if(bookHit) { // [HGM] book: simulate book reply
6265 static char bookMove[MSG_SIZ]; // a bit generous?
6267 programStats.nodes = programStats.depth = programStats.time =
6268 programStats.score = programStats.got_only_move = 0;
6269 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6271 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6272 strcat(bookMove, bookHit);
6273 HandleMachineMove(bookMove, &first);
6279 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6286 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6287 Markers *m = (Markers *) closure;
6288 if(rf == fromY && ff == fromX)
6289 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6290 || kind == WhiteCapturesEnPassant
6291 || kind == BlackCapturesEnPassant);
6292 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6296 MarkTargetSquares(int clear)
6299 if(!appData.markers || !appData.highlightDragging ||
6300 !appData.testLegality || gameMode == EditPosition) return;
6302 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6305 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker);
6306 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6307 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6309 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6312 DrawPosition(TRUE, NULL);
6315 void LeftClick(ClickType clickType, int xPix, int yPix)
6318 Boolean saveAnimate;
6319 static int second = 0, promotionChoice = 0, dragging = 0;
6320 char promoChoice = NULLCHAR;
6322 if(appData.seekGraph && appData.icsActive && loggedOn &&
6323 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6324 SeekGraphClick(clickType, xPix, yPix, 0);
6328 if (clickType == Press) ErrorPopDown();
6329 MarkTargetSquares(1);
6331 x = EventToSquare(xPix, BOARD_WIDTH);
6332 y = EventToSquare(yPix, BOARD_HEIGHT);
6333 if (!flipView && y >= 0) {
6334 y = BOARD_HEIGHT - 1 - y;
6336 if (flipView && x >= 0) {
6337 x = BOARD_WIDTH - 1 - x;
6340 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6341 if(clickType == Release) return; // ignore upclick of click-click destination
6342 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6343 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6344 if(gameInfo.holdingsWidth &&
6345 (WhiteOnMove(currentMove)
6346 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y > 0
6347 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT-1) ) {
6348 // click in right holdings, for determining promotion piece
6349 ChessSquare p = boards[currentMove][y][x];
6350 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6351 if(p != EmptySquare) {
6352 FinishMove(NormalMove, fromX, fromY, toX, toY, ToLower(PieceToChar(p)));
6357 DrawPosition(FALSE, boards[currentMove]);
6361 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6362 if(clickType == Press
6363 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6364 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6365 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6368 autoQueen = appData.alwaysPromoteToQueen;
6371 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE)) {
6372 if (clickType == Press) {
6374 if (OKToStartUserMove(x, y)) {
6378 MarkTargetSquares(0);
6379 DragPieceBegin(xPix, yPix); dragging = 1;
6380 if (appData.highlightDragging) {
6381 SetHighlights(x, y, -1, -1);
6384 } else if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6385 DragPieceEnd(xPix, yPix); dragging = 0;
6386 DrawPosition(FALSE, NULL);
6393 if (clickType == Press && gameMode != EditPosition) {
6398 // ignore off-board to clicks
6399 if(y < 0 || x < 0) return;
6401 /* Check if clicking again on the same color piece */
6402 fromP = boards[currentMove][fromY][fromX];
6403 toP = boards[currentMove][y][x];
6404 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom;
6405 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6406 WhitePawn <= toP && toP <= WhiteKing &&
6407 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6408 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6409 (BlackPawn <= fromP && fromP <= BlackKing &&
6410 BlackPawn <= toP && toP <= BlackKing &&
6411 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6412 !(fromP == BlackKing && toP == BlackRook && frc))) {
6413 /* Clicked again on same color piece -- changed his mind */
6414 second = (x == fromX && y == fromY);
6415 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6416 if (appData.highlightDragging) {
6417 SetHighlights(x, y, -1, -1);
6421 if (OKToStartUserMove(x, y)) {
6423 fromY = y; dragging = 1;
6424 MarkTargetSquares(0);
6425 DragPieceBegin(xPix, yPix);
6430 // ignore clicks on holdings
6431 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6434 if (clickType == Release && x == fromX && y == fromY) {
6435 DragPieceEnd(xPix, yPix); dragging = 0;
6436 if (appData.animateDragging) {
6437 /* Undo animation damage if any */
6438 DrawPosition(FALSE, NULL);
6441 /* Second up/down in same square; just abort move */
6446 ClearPremoveHighlights();
6448 /* First upclick in same square; start click-click mode */
6449 SetHighlights(x, y, -1, -1);
6454 /* we now have a different from- and (possibly off-board) to-square */
6455 /* Completed move */
6458 saveAnimate = appData.animate;
6459 if (clickType == Press) {
6460 /* Finish clickclick move */
6461 if (appData.animate || appData.highlightLastMove) {
6462 SetHighlights(fromX, fromY, toX, toY);
6467 /* Finish drag move */
6468 if (appData.highlightLastMove) {
6469 SetHighlights(fromX, fromY, toX, toY);
6473 DragPieceEnd(xPix, yPix); dragging = 0;
6474 /* Don't animate move and drag both */
6475 appData.animate = FALSE;
6478 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
6479 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
6480 ChessSquare piece = boards[currentMove][fromY][fromX];
6481 if(gameMode == EditPosition && piece != EmptySquare &&
6482 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
6485 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
6486 n = PieceToNumber(piece - (int)BlackPawn);
6487 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
6488 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
6489 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
6491 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
6492 n = PieceToNumber(piece);
6493 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
6494 boards[currentMove][n][BOARD_WIDTH-1] = piece;
6495 boards[currentMove][n][BOARD_WIDTH-2]++;
6497 boards[currentMove][fromY][fromX] = EmptySquare;
6501 DrawPosition(TRUE, boards[currentMove]);
6505 // off-board moves should not be highlighted
6506 if(x < 0 || x < 0) ClearHighlights();
6508 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
6509 SetHighlights(fromX, fromY, toX, toY);
6510 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6511 // [HGM] super: promotion to captured piece selected from holdings
6512 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
6513 promotionChoice = TRUE;
6514 // kludge follows to temporarily execute move on display, without promoting yet
6515 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
6516 boards[currentMove][toY][toX] = p;
6517 DrawPosition(FALSE, boards[currentMove]);
6518 boards[currentMove][fromY][fromX] = p; // take back, but display stays
6519 boards[currentMove][toY][toX] = q;
6520 DisplayMessage("Click in holdings to choose piece", "");
6525 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
6526 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
6527 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
6530 appData.animate = saveAnimate;
6531 if (appData.animate || appData.animateDragging) {
6532 /* Undo animation damage if needed */
6533 DrawPosition(FALSE, NULL);
6537 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
6538 { // front-end-free part taken out of PieceMenuPopup
6539 int whichMenu; int xSqr, ySqr;
6541 if(seekGraphUp) { // [HGM] seekgraph
6542 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
6543 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
6547 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
6548 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
6549 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
6550 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
6551 if(action == Press) {
6552 originalFlip = flipView;
6553 flipView = !flipView; // temporarily flip board to see game from partners perspective
6554 DrawPosition(TRUE, partnerBoard);
6555 DisplayMessage(partnerStatus, "");
6557 } else if(action == Release) {
6558 flipView = originalFlip;
6559 DrawPosition(TRUE, boards[currentMove]);
6565 xSqr = EventToSquare(x, BOARD_WIDTH);
6566 ySqr = EventToSquare(y, BOARD_HEIGHT);
6567 if (action == Release) UnLoadPV(); // [HGM] pv
6568 if (action != Press) return -2; // return code to be ignored
6571 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
\r
6573 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
\r
6574 if (xSqr < 0 || ySqr < 0) return -1;
\r
6575 whichMenu = 0; // edit-position menu
6578 if(!appData.icsEngineAnalyze) return -1;
6579 case IcsPlayingWhite:
6580 case IcsPlayingBlack:
6581 if(!appData.zippyPlay) goto noZip;
6584 case MachinePlaysWhite:
6585 case MachinePlaysBlack:
6586 case TwoMachinesPlay: // [HGM] pv: use for showing PV
6587 if (!appData.dropMenu) {
6589 return 2; // flag front-end to grab mouse events
6591 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
6592 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
6595 if (xSqr < 0 || ySqr < 0) return -1;
6596 if (!appData.dropMenu || appData.testLegality &&
6597 gameInfo.variant != VariantBughouse &&
6598 gameInfo.variant != VariantCrazyhouse) return -1;
6599 whichMenu = 1; // drop menu
6605 if (((*fromX = xSqr) < 0) ||
6606 ((*fromY = ySqr) < 0)) {
6607 *fromX = *fromY = -1;
6611 *fromX = BOARD_WIDTH - 1 - *fromX;
6613 *fromY = BOARD_HEIGHT - 1 - *fromY;
6618 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
6620 // char * hint = lastHint;
6621 FrontEndProgramStats stats;
6623 stats.which = cps == &first ? 0 : 1;
6624 stats.depth = cpstats->depth;
6625 stats.nodes = cpstats->nodes;
6626 stats.score = cpstats->score;
6627 stats.time = cpstats->time;
6628 stats.pv = cpstats->movelist;
6629 stats.hint = lastHint;
6630 stats.an_move_index = 0;
6631 stats.an_move_count = 0;
6633 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
6634 stats.hint = cpstats->move_name;
6635 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
6636 stats.an_move_count = cpstats->nr_moves;
6639 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
6641 SetProgramStats( &stats );
6645 Count(Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
6646 { // count all piece types
6648 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
6649 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
6650 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
6653 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
6654 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
6655 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
6656 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
6657 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
6658 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
6663 SufficientDefence(int pCnt[], int side, int nMine, int nHis)
6665 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
6666 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
6668 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
6669 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
6670 if(myPawns == 2 && nMine == 3) // KPP
6671 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
6672 if(myPawns == 1 && nMine == 2) // KP
6673 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
6674 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
6675 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
6676 if(myPawns) return FALSE;
6677 if(pCnt[WhiteRook+side])
6678 return pCnt[BlackRook-side] ||
6679 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
6680 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
6681 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
6682 if(pCnt[WhiteCannon+side]) {
6683 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
6684 return majorDefense || pCnt[BlackAlfil-side] >= 2;
6686 if(pCnt[WhiteKnight+side])
6687 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
6692 MatingPotential(int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
6694 VariantClass v = gameInfo.variant;
6696 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
6697 if(v == VariantShatranj) return TRUE; // always winnable through baring
6698 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
6699 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
6701 if(v == VariantXiangqi) {
6702 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
6704 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
6705 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
6706 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
6707 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
6708 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
6709 if(stale) // we have at least one last-rank P plus perhaps C
6710 return majors // KPKX
6711 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
6713 return pCnt[WhiteFerz+side] // KCAK
6714 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
6715 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
6716 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
6718 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
6719 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
6721 if(nMine == 1) return FALSE; // bare King
6722 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
6723 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
6724 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
6725 // by now we have King + 1 piece (or multiple Bishops on the same color)
6726 if(pCnt[WhiteKnight+side])
6727 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
6728 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
6729 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
6731 return (pCnt[BlackKnight-side]); // KBKN, KFKN
6732 if(pCnt[WhiteAlfil+side])
6733 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
6734 if(pCnt[WhiteWazir+side])
6735 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
6742 Adjudicate(ChessProgramState *cps)
6743 { // [HGM] some adjudications useful with buggy engines
6744 // [HGM] adjudicate: made into separate routine, which now can be called after every move
6745 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
6746 // Actually ending the game is now based on the additional internal condition canAdjudicate.
6747 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
6748 int k, count = 0; static int bare = 1;
6749 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
6750 Boolean canAdjudicate = !appData.icsActive;
6752 // most tests only when we understand the game, i.e. legality-checking on
6753 if( appData.testLegality )
6754 { /* [HGM] Some more adjudications for obstinate engines */
6755 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
6756 static int moveCount = 6;
6758 char *reason = NULL;
6760 /* Count what is on board. */
6761 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
6763 /* Some material-based adjudications that have to be made before stalemate test */
6764 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
6765 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
6766 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
6767 if(canAdjudicate && appData.checkMates) {
6769 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6770 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6771 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
6772 "Xboard adjudication: King destroyed", GE_XBOARD );
6777 /* Bare King in Shatranj (loses) or Losers (wins) */
6778 if( nrW == 1 || nrB == 1) {
6779 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
6780 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
6781 if(canAdjudicate && appData.checkMates) {
6783 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
6784 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6785 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6786 "Xboard adjudication: Bare king", GE_XBOARD );
6790 if( gameInfo.variant == VariantShatranj && --bare < 0)
6792 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
6793 if(canAdjudicate && appData.checkMates) {
6794 /* but only adjudicate if adjudication enabled */
6796 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6797 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6798 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
6799 "Xboard adjudication: Bare king", GE_XBOARD );
6806 // don't wait for engine to announce game end if we can judge ourselves
6807 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
6809 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
6810 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
6811 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
6812 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
6815 reason = "Xboard adjudication: 3rd check";
6816 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
6826 reason = "Xboard adjudication: Stalemate";
6827 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
6828 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
6829 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
6830 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
6831 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
6832 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
6833 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
6834 EP_CHECKMATE : EP_WINS);
6835 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
6836 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
6840 reason = "Xboard adjudication: Checkmate";
6841 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
6845 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
6847 result = GameIsDrawn; break;
6849 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
6851 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
6855 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
6857 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6858 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6859 GameEnds( result, reason, GE_XBOARD );
6863 /* Next absolutely insufficient mating material. */
6864 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
6865 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
6866 { /* includes KBK, KNK, KK of KBKB with like Bishops */
6868 /* always flag draws, for judging claims */
6869 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
6871 if(canAdjudicate && appData.materialDraws) {
6872 /* but only adjudicate them if adjudication enabled */
6873 if(engineOpponent) {
6874 SendToProgram("force\n", engineOpponent); // suppress reply
6875 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
6877 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6878 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
6883 /* Then some trivial draws (only adjudicate, cannot be claimed) */
6884 if(gameInfo.variant == VariantXiangqi ?
6885 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
6887 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
6888 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
6889 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
6890 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
6892 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
6893 { /* if the first 3 moves do not show a tactical win, declare draw */
6894 if(engineOpponent) {
6895 SendToProgram("force\n", engineOpponent); // suppress reply
6896 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6898 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6899 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
6902 } else moveCount = 6;
6904 if (appData.debugMode) { int i;
6905 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
6906 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
6907 appData.drawRepeats);
6908 for( i=forwardMostMove; i>=backwardMostMove; i-- )
6909 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
6913 // Repetition draws and 50-move rule can be applied independently of legality testing
6915 /* Check for rep-draws */
6917 for(k = forwardMostMove-2;
6918 k>=backwardMostMove && k>=forwardMostMove-100 &&
6919 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
6920 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
6923 if(CompareBoards(boards[k], boards[forwardMostMove])) {
6924 /* compare castling rights */
6925 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
6926 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
6927 rights++; /* King lost rights, while rook still had them */
6928 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
6929 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
6930 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
6931 rights++; /* but at least one rook lost them */
6933 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
6934 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
6936 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
6937 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
6938 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
6941 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
6942 && appData.drawRepeats > 1) {
6943 /* adjudicate after user-specified nr of repeats */
6944 int result = GameIsDrawn;
6945 char *details = "XBoard adjudication: repetition draw";
6946 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
6947 // [HGM] xiangqi: check for forbidden perpetuals
6948 int m, ourPerpetual = 1, hisPerpetual = 1;
6949 for(m=forwardMostMove; m>k; m-=2) {
6950 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
6951 ourPerpetual = 0; // the current mover did not always check
6952 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
6953 hisPerpetual = 0; // the opponent did not always check
6955 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
6956 ourPerpetual, hisPerpetual);
6957 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
6958 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
6959 details = "Xboard adjudication: perpetual checking";
6961 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
6962 break; // (or we would have caught him before). Abort repetition-checking loop.
6964 // Now check for perpetual chases
6965 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
6966 hisPerpetual = PerpetualChase(k, forwardMostMove);
6967 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
6968 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
6969 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
6970 details = "Xboard adjudication: perpetual chasing";
6972 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
6973 break; // Abort repetition-checking loop.
6975 // if neither of us is checking or chasing all the time, or both are, it is draw
6977 if(engineOpponent) {
6978 SendToProgram("force\n", engineOpponent); // suppress reply
6979 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6981 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6982 GameEnds( result, details, GE_XBOARD );
6985 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
6986 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
6990 /* Now we test for 50-move draws. Determine ply count */
6991 count = forwardMostMove;
6992 /* look for last irreversble move */
6993 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
6995 /* if we hit starting position, add initial plies */
6996 if( count == backwardMostMove )
6997 count -= initialRulePlies;
6998 count = forwardMostMove - count;
6999 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7000 // adjust reversible move counter for checks in Xiangqi
7001 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7002 if(i < backwardMostMove) i = backwardMostMove;
7003 while(i <= forwardMostMove) {
7004 lastCheck = inCheck; // check evasion does not count
7005 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7006 if(inCheck || lastCheck) count--; // check does not count
7011 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7012 /* this is used to judge if draw claims are legal */
7013 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7014 if(engineOpponent) {
7015 SendToProgram("force\n", engineOpponent); // suppress reply
7016 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7018 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7019 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7023 /* if draw offer is pending, treat it as a draw claim
7024 * when draw condition present, to allow engines a way to
7025 * claim draws before making their move to avoid a race
7026 * condition occurring after their move
7028 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7030 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7031 p = "Draw claim: 50-move rule";
7032 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7033 p = "Draw claim: 3-fold repetition";
7034 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7035 p = "Draw claim: insufficient mating material";
7036 if( p != NULL && canAdjudicate) {
7037 if(engineOpponent) {
7038 SendToProgram("force\n", engineOpponent); // suppress reply
7039 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7041 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7042 GameEnds( GameIsDrawn, p, GE_XBOARD );
7047 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7048 if(engineOpponent) {
7049 SendToProgram("force\n", engineOpponent); // suppress reply
7050 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7052 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7053 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7059 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
7060 { // [HGM] book: this routine intercepts moves to simulate book replies
7061 char *bookHit = NULL;
7063 //first determine if the incoming move brings opponent into his book
7064 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7065 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7066 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7067 if(bookHit != NULL && !cps->bookSuspend) {
7068 // make sure opponent is not going to reply after receiving move to book position
7069 SendToProgram("force\n", cps);
7070 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7072 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7073 // now arrange restart after book miss
7075 // after a book hit we never send 'go', and the code after the call to this routine
7076 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7078 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), bookHit); // force book move into program supposed to play it
7079 SendToProgram(buf, cps);
7080 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7081 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7082 SendToProgram("go\n", cps);
7083 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7084 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7085 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7086 SendToProgram("go\n", cps);
7087 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7089 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7093 ChessProgramState *savedState;
7094 void DeferredBookMove(void)
7096 if(savedState->lastPing != savedState->lastPong)
7097 ScheduleDelayedEvent(DeferredBookMove, 10);
7099 HandleMachineMove(savedMessage, savedState);
7103 HandleMachineMove(message, cps)
7105 ChessProgramState *cps;
7107 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7108 char realname[MSG_SIZ];
7109 int fromX, fromY, toX, toY;
7118 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7120 * Kludge to ignore BEL characters
7122 while (*message == '\007') message++;
7125 * [HGM] engine debug message: ignore lines starting with '#' character
7127 if(cps->debug && *message == '#') return;
7130 * Look for book output
7132 if (cps == &first && bookRequested) {
7133 if (message[0] == '\t' || message[0] == ' ') {
7134 /* Part of the book output is here; append it */
7135 strcat(bookOutput, message);
7136 strcat(bookOutput, " \n");
7138 } else if (bookOutput[0] != NULLCHAR) {
7139 /* All of book output has arrived; display it */
7140 char *p = bookOutput;
7141 while (*p != NULLCHAR) {
7142 if (*p == '\t') *p = ' ';
7145 DisplayInformation(bookOutput);
7146 bookRequested = FALSE;
7147 /* Fall through to parse the current output */
7152 * Look for machine move.
7154 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7155 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7157 /* This method is only useful on engines that support ping */
7158 if (cps->lastPing != cps->lastPong) {
7159 if (gameMode == BeginningOfGame) {
7160 /* Extra move from before last new; ignore */
7161 if (appData.debugMode) {
7162 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7165 if (appData.debugMode) {
7166 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7167 cps->which, gameMode);
7170 SendToProgram("undo\n", cps);
7176 case BeginningOfGame:
7177 /* Extra move from before last reset; ignore */
7178 if (appData.debugMode) {
7179 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7186 /* Extra move after we tried to stop. The mode test is
7187 not a reliable way of detecting this problem, but it's
7188 the best we can do on engines that don't support ping.
7190 if (appData.debugMode) {
7191 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7192 cps->which, gameMode);
7194 SendToProgram("undo\n", cps);
7197 case MachinePlaysWhite:
7198 case IcsPlayingWhite:
7199 machineWhite = TRUE;
7202 case MachinePlaysBlack:
7203 case IcsPlayingBlack:
7204 machineWhite = FALSE;
7207 case TwoMachinesPlay:
7208 machineWhite = (cps->twoMachinesColor[0] == 'w');
7211 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7212 if (appData.debugMode) {
7214 "Ignoring move out of turn by %s, gameMode %d"
7215 ", forwardMost %d\n",
7216 cps->which, gameMode, forwardMostMove);
7221 if (appData.debugMode) { int f = forwardMostMove;
7222 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7223 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7224 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7226 if(cps->alphaRank) AlphaRank(machineMove, 4);
7227 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7228 &fromX, &fromY, &toX, &toY, &promoChar)) {
7229 /* Machine move could not be parsed; ignore it. */
7230 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7231 machineMove, cps->which);
7232 DisplayError(buf1, 0);
7233 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7234 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7235 if (gameMode == TwoMachinesPlay) {
7236 GameEnds(machineWhite ? BlackWins : WhiteWins,
7242 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7243 /* So we have to redo legality test with true e.p. status here, */
7244 /* to make sure an illegal e.p. capture does not slip through, */
7245 /* to cause a forfeit on a justified illegal-move complaint */
7246 /* of the opponent. */
7247 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7249 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7250 fromY, fromX, toY, toX, promoChar);
7251 if (appData.debugMode) {
7253 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7254 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7255 fprintf(debugFP, "castling rights\n");
7257 if(moveType == IllegalMove) {
7258 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7259 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7260 GameEnds(machineWhite ? BlackWins : WhiteWins,
7263 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7264 /* [HGM] Kludge to handle engines that send FRC-style castling
7265 when they shouldn't (like TSCP-Gothic) */
7267 case WhiteASideCastleFR:
7268 case BlackASideCastleFR:
7270 currentMoveString[2]++;
7272 case WhiteHSideCastleFR:
7273 case BlackHSideCastleFR:
7275 currentMoveString[2]--;
7277 default: ; // nothing to do, but suppresses warning of pedantic compilers
7280 hintRequested = FALSE;
7281 lastHint[0] = NULLCHAR;
7282 bookRequested = FALSE;
7283 /* Program may be pondering now */
7284 cps->maybeThinking = TRUE;
7285 if (cps->sendTime == 2) cps->sendTime = 1;
7286 if (cps->offeredDraw) cps->offeredDraw--;
7288 /* currentMoveString is set as a side-effect of ParseOneMove */
7289 safeStrCpy(machineMove, currentMoveString, sizeof(machineMove)/sizeof(machineMove[0]));
7290 strcat(machineMove, "\n");
7291 safeStrCpy(moveList[forwardMostMove], machineMove, sizeof(moveList[forwardMostMove])/sizeof(moveList[forwardMostMove][0]));
7293 /* [AS] Save move info*/
7294 pvInfoList[ forwardMostMove ].score = programStats.score;
7295 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7296 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7298 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7300 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7301 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7304 while( count < adjudicateLossPlies ) {
7305 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7308 score = -score; /* Flip score for winning side */
7311 if( score > adjudicateLossThreshold ) {
7318 if( count >= adjudicateLossPlies ) {
7319 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7321 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7322 "Xboard adjudication",
7329 if(Adjudicate(cps)) return; // [HGM] adjudicate: for all automatic game ends
7332 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7334 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7335 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7337 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7339 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7341 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
7342 char buf[3*MSG_SIZ];
7344 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
7345 programStats.score / 100.,
7347 programStats.time / 100.,
7348 (unsigned int)programStats.nodes,
7349 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
7350 programStats.movelist);
7352 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
7357 /* [AS] Clear stats for next move */
7358 ClearProgramStats();
7359 thinkOutput[0] = NULLCHAR;
7360 hiddenThinkOutputState = 0;
7363 if (gameMode == TwoMachinesPlay) {
7364 /* [HGM] relaying draw offers moved to after reception of move */
7365 /* and interpreting offer as claim if it brings draw condition */
7366 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
7367 SendToProgram("draw\n", cps->other);
7369 if (cps->other->sendTime) {
7370 SendTimeRemaining(cps->other,
7371 cps->other->twoMachinesColor[0] == 'w');
7373 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
7374 if (firstMove && !bookHit) {
7376 if (cps->other->useColors) {
7377 SendToProgram(cps->other->twoMachinesColor, cps->other);
7379 SendToProgram("go\n", cps->other);
7381 cps->other->maybeThinking = TRUE;
7384 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7386 if (!pausing && appData.ringBellAfterMoves) {
7391 * Reenable menu items that were disabled while
7392 * machine was thinking
7394 if (gameMode != TwoMachinesPlay)
7395 SetUserThinkingEnables();
7397 // [HGM] book: after book hit opponent has received move and is now in force mode
7398 // force the book reply into it, and then fake that it outputted this move by jumping
7399 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
7401 static char bookMove[MSG_SIZ]; // a bit generous?
7403 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7404 strcat(bookMove, bookHit);
7407 programStats.nodes = programStats.depth = programStats.time =
7408 programStats.score = programStats.got_only_move = 0;
7409 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7411 if(cps->lastPing != cps->lastPong) {
7412 savedMessage = message; // args for deferred call
7414 ScheduleDelayedEvent(DeferredBookMove, 10);
7423 /* Set special modes for chess engines. Later something general
7424 * could be added here; for now there is just one kludge feature,
7425 * needed because Crafty 15.10 and earlier don't ignore SIGINT
7426 * when "xboard" is given as an interactive command.
7428 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
7429 cps->useSigint = FALSE;
7430 cps->useSigterm = FALSE;
7432 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
7433 ParseFeatures(message+8, cps);
7434 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
7437 /* [HGM] Allow engine to set up a position. Don't ask me why one would
7438 * want this, I was asked to put it in, and obliged.
7440 if (!strncmp(message, "setboard ", 9)) {
7441 Board initial_position;
7443 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
7445 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
7446 DisplayError(_("Bad FEN received from engine"), 0);
7450 CopyBoard(boards[0], initial_position);
7451 initialRulePlies = FENrulePlies;
7452 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
7453 else gameMode = MachinePlaysBlack;
7454 DrawPosition(FALSE, boards[currentMove]);
7460 * Look for communication commands
7462 if (!strncmp(message, "telluser ", 9)) {
7463 EscapeExpand(message+9, message+9); // [HGM] esc: allow escape sequences in popup box
7464 DisplayNote(message + 9);
7467 if (!strncmp(message, "tellusererror ", 14)) {
7469 EscapeExpand(message+14, message+14); // [HGM] esc: allow escape sequences in popup box
7470 DisplayError(message + 14, 0);
7473 if (!strncmp(message, "tellopponent ", 13)) {
7474 if (appData.icsActive) {
7476 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
7480 DisplayNote(message + 13);
7484 if (!strncmp(message, "tellothers ", 11)) {
7485 if (appData.icsActive) {
7487 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
7493 if (!strncmp(message, "tellall ", 8)) {
7494 if (appData.icsActive) {
7496 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
7500 DisplayNote(message + 8);
7504 if (strncmp(message, "warning", 7) == 0) {
7505 /* Undocumented feature, use tellusererror in new code */
7506 DisplayError(message, 0);
7509 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
7510 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
7511 strcat(realname, " query");
7512 AskQuestion(realname, buf2, buf1, cps->pr);
7515 /* Commands from the engine directly to ICS. We don't allow these to be
7516 * sent until we are logged on. Crafty kibitzes have been known to
7517 * interfere with the login process.
7520 if (!strncmp(message, "tellics ", 8)) {
7521 SendToICS(message + 8);
7525 if (!strncmp(message, "tellicsnoalias ", 15)) {
7526 SendToICS(ics_prefix);
7527 SendToICS(message + 15);
7531 /* The following are for backward compatibility only */
7532 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
7533 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
7534 SendToICS(ics_prefix);
7540 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
7544 * If the move is illegal, cancel it and redraw the board.
7545 * Also deal with other error cases. Matching is rather loose
7546 * here to accommodate engines written before the spec.
7548 if (strncmp(message + 1, "llegal move", 11) == 0 ||
7549 strncmp(message, "Error", 5) == 0) {
7550 if (StrStr(message, "name") ||
7551 StrStr(message, "rating") || StrStr(message, "?") ||
7552 StrStr(message, "result") || StrStr(message, "board") ||
7553 StrStr(message, "bk") || StrStr(message, "computer") ||
7554 StrStr(message, "variant") || StrStr(message, "hint") ||
7555 StrStr(message, "random") || StrStr(message, "depth") ||
7556 StrStr(message, "accepted")) {
7559 if (StrStr(message, "protover")) {
7560 /* Program is responding to input, so it's apparently done
7561 initializing, and this error message indicates it is
7562 protocol version 1. So we don't need to wait any longer
7563 for it to initialize and send feature commands. */
7564 FeatureDone(cps, 1);
7565 cps->protocolVersion = 1;
7568 cps->maybeThinking = FALSE;
7570 if (StrStr(message, "draw")) {
7571 /* Program doesn't have "draw" command */
7572 cps->sendDrawOffers = 0;
7575 if (cps->sendTime != 1 &&
7576 (StrStr(message, "time") || StrStr(message, "otim"))) {
7577 /* Program apparently doesn't have "time" or "otim" command */
7581 if (StrStr(message, "analyze")) {
7582 cps->analysisSupport = FALSE;
7583 cps->analyzing = FALSE;
7585 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
7586 DisplayError(buf2, 0);
7589 if (StrStr(message, "(no matching move)st")) {
7590 /* Special kludge for GNU Chess 4 only */
7591 cps->stKludge = TRUE;
7592 SendTimeControl(cps, movesPerSession, timeControl,
7593 timeIncrement, appData.searchDepth,
7597 if (StrStr(message, "(no matching move)sd")) {
7598 /* Special kludge for GNU Chess 4 only */
7599 cps->sdKludge = TRUE;
7600 SendTimeControl(cps, movesPerSession, timeControl,
7601 timeIncrement, appData.searchDepth,
7605 if (!StrStr(message, "llegal")) {
7608 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7609 gameMode == IcsIdle) return;
7610 if (forwardMostMove <= backwardMostMove) return;
7611 if (pausing) PauseEvent();
7612 if(appData.forceIllegal) {
7613 // [HGM] illegal: machine refused move; force position after move into it
7614 SendToProgram("force\n", cps);
7615 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
7616 // we have a real problem now, as SendBoard will use the a2a3 kludge
7617 // when black is to move, while there might be nothing on a2 or black
7618 // might already have the move. So send the board as if white has the move.
7619 // But first we must change the stm of the engine, as it refused the last move
7620 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
7621 if(WhiteOnMove(forwardMostMove)) {
7622 SendToProgram("a7a6\n", cps); // for the engine black still had the move
7623 SendBoard(cps, forwardMostMove); // kludgeless board
7625 SendToProgram("a2a3\n", cps); // for the engine white still had the move
7626 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7627 SendBoard(cps, forwardMostMove+1); // kludgeless board
7629 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
7630 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
7631 gameMode == TwoMachinesPlay)
7632 SendToProgram("go\n", cps);
7635 if (gameMode == PlayFromGameFile) {
7636 /* Stop reading this game file */
7637 gameMode = EditGame;
7640 currentMove = forwardMostMove-1;
7641 DisplayMove(currentMove-1); /* before DisplayMoveError */
7642 SwitchClocks(forwardMostMove-1); // [HGM] race
7643 DisplayBothClocks();
7644 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
7645 parseList[currentMove], cps->which);
7646 DisplayMoveError(buf1);
7647 DrawPosition(FALSE, boards[currentMove]);
7649 /* [HGM] illegal-move claim should forfeit game when Xboard */
7650 /* only passes fully legal moves */
7651 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
7652 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
7653 "False illegal-move claim", GE_XBOARD );
7657 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
7658 /* Program has a broken "time" command that
7659 outputs a string not ending in newline.
7665 * If chess program startup fails, exit with an error message.
7666 * Attempts to recover here are futile.
7668 if ((StrStr(message, "unknown host") != NULL)
7669 || (StrStr(message, "No remote directory") != NULL)
7670 || (StrStr(message, "not found") != NULL)
7671 || (StrStr(message, "No such file") != NULL)
7672 || (StrStr(message, "can't alloc") != NULL)
7673 || (StrStr(message, "Permission denied") != NULL)) {
7675 cps->maybeThinking = FALSE;
7676 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
7677 cps->which, cps->program, cps->host, message);
7678 RemoveInputSource(cps->isr);
7679 DisplayFatalError(buf1, 0, 1);
7684 * Look for hint output
7686 if (sscanf(message, "Hint: %s", buf1) == 1) {
7687 if (cps == &first && hintRequested) {
7688 hintRequested = FALSE;
7689 if (ParseOneMove(buf1, forwardMostMove, &moveType,
7690 &fromX, &fromY, &toX, &toY, &promoChar)) {
7691 (void) CoordsToAlgebraic(boards[forwardMostMove],
7692 PosFlags(forwardMostMove),
7693 fromY, fromX, toY, toX, promoChar, buf1);
7694 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
7695 DisplayInformation(buf2);
7697 /* Hint move could not be parsed!? */
7698 snprintf(buf2, sizeof(buf2),
7699 _("Illegal hint move \"%s\"\nfrom %s chess program"),
7701 DisplayError(buf2, 0);
7704 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
7710 * Ignore other messages if game is not in progress
7712 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7713 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
7716 * look for win, lose, draw, or draw offer
7718 if (strncmp(message, "1-0", 3) == 0) {
7719 char *p, *q, *r = "";
7720 p = strchr(message, '{');
7728 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
7730 } else if (strncmp(message, "0-1", 3) == 0) {
7731 char *p, *q, *r = "";
7732 p = strchr(message, '{');
7740 /* Kludge for Arasan 4.1 bug */
7741 if (strcmp(r, "Black resigns") == 0) {
7742 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
7745 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
7747 } else if (strncmp(message, "1/2", 3) == 0) {
7748 char *p, *q, *r = "";
7749 p = strchr(message, '{');
7758 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
7761 } else if (strncmp(message, "White resign", 12) == 0) {
7762 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7764 } else if (strncmp(message, "Black resign", 12) == 0) {
7765 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7767 } else if (strncmp(message, "White matches", 13) == 0 ||
7768 strncmp(message, "Black matches", 13) == 0 ) {
7769 /* [HGM] ignore GNUShogi noises */
7771 } else if (strncmp(message, "White", 5) == 0 &&
7772 message[5] != '(' &&
7773 StrStr(message, "Black") == NULL) {
7774 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7776 } else if (strncmp(message, "Black", 5) == 0 &&
7777 message[5] != '(') {
7778 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7780 } else if (strcmp(message, "resign") == 0 ||
7781 strcmp(message, "computer resigns") == 0) {
7783 case MachinePlaysBlack:
7784 case IcsPlayingBlack:
7785 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
7787 case MachinePlaysWhite:
7788 case IcsPlayingWhite:
7789 GameEnds(BlackWins, "White resigns", GE_ENGINE);
7791 case TwoMachinesPlay:
7792 if (cps->twoMachinesColor[0] == 'w')
7793 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7795 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7802 } else if (strncmp(message, "opponent mates", 14) == 0) {
7804 case MachinePlaysBlack:
7805 case IcsPlayingBlack:
7806 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7808 case MachinePlaysWhite:
7809 case IcsPlayingWhite:
7810 GameEnds(BlackWins, "Black mates", GE_ENGINE);
7812 case TwoMachinesPlay:
7813 if (cps->twoMachinesColor[0] == 'w')
7814 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7816 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7823 } else if (strncmp(message, "computer mates", 14) == 0) {
7825 case MachinePlaysBlack:
7826 case IcsPlayingBlack:
7827 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
7829 case MachinePlaysWhite:
7830 case IcsPlayingWhite:
7831 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7833 case TwoMachinesPlay:
7834 if (cps->twoMachinesColor[0] == 'w')
7835 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7837 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7844 } else if (strncmp(message, "checkmate", 9) == 0) {
7845 if (WhiteOnMove(forwardMostMove)) {
7846 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7848 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7851 } else if (strstr(message, "Draw") != NULL ||
7852 strstr(message, "game is a draw") != NULL) {
7853 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
7855 } else if (strstr(message, "offer") != NULL &&
7856 strstr(message, "draw") != NULL) {
7858 if (appData.zippyPlay && first.initDone) {
7859 /* Relay offer to ICS */
7860 SendToICS(ics_prefix);
7861 SendToICS("draw\n");
7864 cps->offeredDraw = 2; /* valid until this engine moves twice */
7865 if (gameMode == TwoMachinesPlay) {
7866 if (cps->other->offeredDraw) {
7867 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7868 /* [HGM] in two-machine mode we delay relaying draw offer */
7869 /* until after we also have move, to see if it is really claim */
7871 } else if (gameMode == MachinePlaysWhite ||
7872 gameMode == MachinePlaysBlack) {
7873 if (userOfferedDraw) {
7874 DisplayInformation(_("Machine accepts your draw offer"));
7875 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7877 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
7884 * Look for thinking output
7886 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
7887 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7889 int plylev, mvleft, mvtot, curscore, time;
7890 char mvname[MOVE_LEN];
7894 int prefixHint = FALSE;
7895 mvname[0] = NULLCHAR;
7898 case MachinePlaysBlack:
7899 case IcsPlayingBlack:
7900 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7902 case MachinePlaysWhite:
7903 case IcsPlayingWhite:
7904 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7909 case IcsObserving: /* [DM] icsEngineAnalyze */
7910 if (!appData.icsEngineAnalyze) ignore = TRUE;
7912 case TwoMachinesPlay:
7913 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
7923 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
7925 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7926 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
7928 if (plyext != ' ' && plyext != '\t') {
7932 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7933 if( cps->scoreIsAbsolute &&
7934 ( gameMode == MachinePlaysBlack ||
7935 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
7936 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
7937 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
7938 !WhiteOnMove(currentMove)
7941 curscore = -curscore;
7945 tempStats.depth = plylev;
7946 tempStats.nodes = nodes;
7947 tempStats.time = time;
7948 tempStats.score = curscore;
7949 tempStats.got_only_move = 0;
7951 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
7954 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
7955 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
7956 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
7957 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
7958 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
7959 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
7960 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
7961 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
7964 /* Buffer overflow protection */
7965 if (buf1[0] != NULLCHAR) {
7966 if (strlen(buf1) >= sizeof(tempStats.movelist)
7967 && appData.debugMode) {
7969 "PV is too long; using the first %u bytes.\n",
7970 (unsigned) sizeof(tempStats.movelist) - 1);
7973 safeStrCpy( tempStats.movelist, buf1, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
7975 sprintf(tempStats.movelist, " no PV\n");
7978 if (tempStats.seen_stat) {
7979 tempStats.ok_to_send = 1;
7982 if (strchr(tempStats.movelist, '(') != NULL) {
7983 tempStats.line_is_book = 1;
7984 tempStats.nr_moves = 0;
7985 tempStats.moves_left = 0;
7987 tempStats.line_is_book = 0;
7990 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
7991 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
7993 SendProgramStatsToFrontend( cps, &tempStats );
7996 [AS] Protect the thinkOutput buffer from overflow... this
7997 is only useful if buf1 hasn't overflowed first!
7999 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8001 (gameMode == TwoMachinesPlay ?
8002 ToUpper(cps->twoMachinesColor[0]) : ' '),
8003 ((double) curscore) / 100.0,
8004 prefixHint ? lastHint : "",
8005 prefixHint ? " " : "" );
8007 if( buf1[0] != NULLCHAR ) {
8008 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8010 if( strlen(buf1) > max_len ) {
8011 if( appData.debugMode) {
8012 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8014 buf1[max_len+1] = '\0';
8017 strcat( thinkOutput, buf1 );
8020 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8021 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8022 DisplayMove(currentMove - 1);
8026 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8027 /* crafty (9.25+) says "(only move) <move>"
8028 * if there is only 1 legal move
8030 sscanf(p, "(only move) %s", buf1);
8031 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8032 sprintf(programStats.movelist, "%s (only move)", buf1);
8033 programStats.depth = 1;
8034 programStats.nr_moves = 1;
8035 programStats.moves_left = 1;
8036 programStats.nodes = 1;
8037 programStats.time = 1;
8038 programStats.got_only_move = 1;
8040 /* Not really, but we also use this member to
8041 mean "line isn't going to change" (Crafty
8042 isn't searching, so stats won't change) */
8043 programStats.line_is_book = 1;
8045 SendProgramStatsToFrontend( cps, &programStats );
8047 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8048 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8049 DisplayMove(currentMove - 1);
8052 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8053 &time, &nodes, &plylev, &mvleft,
8054 &mvtot, mvname) >= 5) {
8055 /* The stat01: line is from Crafty (9.29+) in response
8056 to the "." command */
8057 programStats.seen_stat = 1;
8058 cps->maybeThinking = TRUE;
8060 if (programStats.got_only_move || !appData.periodicUpdates)
8063 programStats.depth = plylev;
8064 programStats.time = time;
8065 programStats.nodes = nodes;
8066 programStats.moves_left = mvleft;
8067 programStats.nr_moves = mvtot;
8068 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8069 programStats.ok_to_send = 1;
8070 programStats.movelist[0] = '\0';
8072 SendProgramStatsToFrontend( cps, &programStats );
8076 } else if (strncmp(message,"++",2) == 0) {
8077 /* Crafty 9.29+ outputs this */
8078 programStats.got_fail = 2;
8081 } else if (strncmp(message,"--",2) == 0) {
8082 /* Crafty 9.29+ outputs this */
8083 programStats.got_fail = 1;
8086 } else if (thinkOutput[0] != NULLCHAR &&
8087 strncmp(message, " ", 4) == 0) {
8088 unsigned message_len;
8091 while (*p && *p == ' ') p++;
8093 message_len = strlen( p );
8095 /* [AS] Avoid buffer overflow */
8096 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8097 strcat(thinkOutput, " ");
8098 strcat(thinkOutput, p);
8101 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8102 strcat(programStats.movelist, " ");
8103 strcat(programStats.movelist, p);
8106 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8107 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8108 DisplayMove(currentMove - 1);
8116 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8117 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8119 ChessProgramStats cpstats;
8121 if (plyext != ' ' && plyext != '\t') {
8125 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8126 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8127 curscore = -curscore;
8130 cpstats.depth = plylev;
8131 cpstats.nodes = nodes;
8132 cpstats.time = time;
8133 cpstats.score = curscore;
8134 cpstats.got_only_move = 0;
8135 cpstats.movelist[0] = '\0';
8137 if (buf1[0] != NULLCHAR) {
8138 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8141 cpstats.ok_to_send = 0;
8142 cpstats.line_is_book = 0;
8143 cpstats.nr_moves = 0;
8144 cpstats.moves_left = 0;
8146 SendProgramStatsToFrontend( cps, &cpstats );
8153 /* Parse a game score from the character string "game", and
8154 record it as the history of the current game. The game
8155 score is NOT assumed to start from the standard position.
8156 The display is not updated in any way.
8159 ParseGameHistory(game)
8163 int fromX, fromY, toX, toY, boardIndex;
8168 if (appData.debugMode)
8169 fprintf(debugFP, "Parsing game history: %s\n", game);
8171 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8172 gameInfo.site = StrSave(appData.icsHost);
8173 gameInfo.date = PGNDate();
8174 gameInfo.round = StrSave("-");
8176 /* Parse out names of players */
8177 while (*game == ' ') game++;
8179 while (*game != ' ') *p++ = *game++;
8181 gameInfo.white = StrSave(buf);
8182 while (*game == ' ') game++;
8184 while (*game != ' ' && *game != '\n') *p++ = *game++;
8186 gameInfo.black = StrSave(buf);
8189 boardIndex = blackPlaysFirst ? 1 : 0;
8192 yyboardindex = boardIndex;
8193 moveType = (ChessMove) yylex();
8195 case IllegalMove: /* maybe suicide chess, etc. */
8196 if (appData.debugMode) {
8197 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8198 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8199 setbuf(debugFP, NULL);
8201 case WhitePromotion:
8202 case BlackPromotion:
8203 case WhiteNonPromotion:
8204 case BlackNonPromotion:
8206 case WhiteCapturesEnPassant:
8207 case BlackCapturesEnPassant:
8208 case WhiteKingSideCastle:
8209 case WhiteQueenSideCastle:
8210 case BlackKingSideCastle:
8211 case BlackQueenSideCastle:
8212 case WhiteKingSideCastleWild:
8213 case WhiteQueenSideCastleWild:
8214 case BlackKingSideCastleWild:
8215 case BlackQueenSideCastleWild:
8217 case WhiteHSideCastleFR:
8218 case WhiteASideCastleFR:
8219 case BlackHSideCastleFR:
8220 case BlackASideCastleFR:
8222 fromX = currentMoveString[0] - AAA;
8223 fromY = currentMoveString[1] - ONE;
8224 toX = currentMoveString[2] - AAA;
8225 toY = currentMoveString[3] - ONE;
8226 promoChar = currentMoveString[4];
8230 fromX = moveType == WhiteDrop ?
8231 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8232 (int) CharToPiece(ToLower(currentMoveString[0]));
8234 toX = currentMoveString[2] - AAA;
8235 toY = currentMoveString[3] - ONE;
8236 promoChar = NULLCHAR;
8240 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8241 if (appData.debugMode) {
8242 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8243 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8244 setbuf(debugFP, NULL);
8246 DisplayError(buf, 0);
8248 case ImpossibleMove:
8250 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8251 if (appData.debugMode) {
8252 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8253 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8254 setbuf(debugFP, NULL);
8256 DisplayError(buf, 0);
8259 if (boardIndex < backwardMostMove) {
8260 /* Oops, gap. How did that happen? */
8261 DisplayError(_("Gap in move list"), 0);
8264 backwardMostMove = blackPlaysFirst ? 1 : 0;
8265 if (boardIndex > forwardMostMove) {
8266 forwardMostMove = boardIndex;
8270 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8271 strcat(parseList[boardIndex-1], " ");
8272 strcat(parseList[boardIndex-1], yy_text);
8284 case GameUnfinished:
8285 if (gameMode == IcsExamining) {
8286 if (boardIndex < backwardMostMove) {
8287 /* Oops, gap. How did that happen? */
8290 backwardMostMove = blackPlaysFirst ? 1 : 0;
8293 gameInfo.result = moveType;
8294 p = strchr(yy_text, '{');
8295 if (p == NULL) p = strchr(yy_text, '(');
8298 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8300 q = strchr(p, *p == '{' ? '}' : ')');
8301 if (q != NULL) *q = NULLCHAR;
8304 gameInfo.resultDetails = StrSave(p);
8307 if (boardIndex >= forwardMostMove &&
8308 !(gameMode == IcsObserving && ics_gamenum == -1)) {
8309 backwardMostMove = blackPlaysFirst ? 1 : 0;
8312 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
8313 fromY, fromX, toY, toX, promoChar,
8314 parseList[boardIndex]);
8315 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
8316 /* currentMoveString is set as a side-effect of yylex */
8317 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
8318 strcat(moveList[boardIndex], "\n");
8320 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
8321 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
8327 if(gameInfo.variant != VariantShogi)
8328 strcat(parseList[boardIndex - 1], "+");
8332 strcat(parseList[boardIndex - 1], "#");
8339 /* Apply a move to the given board */
8341 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
8342 int fromX, fromY, toX, toY;
8346 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
8347 int promoRank = gameInfo.variant == VariantMakruk ? 3 : 1;
8349 /* [HGM] compute & store e.p. status and castling rights for new position */
8350 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
8352 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
8353 oldEP = (signed char)board[EP_STATUS];
8354 board[EP_STATUS] = EP_NONE;
8356 if( board[toY][toX] != EmptySquare )
8357 board[EP_STATUS] = EP_CAPTURE;
8359 /* [HGM] In Shatranj and Courier all promotions are to Ferz */
8360 if((gameInfo.variant==VariantShatranj || gameInfo.variant==VariantCourier || gameInfo.variant == VariantMakruk)
8361 && promoChar != 0) promoChar = PieceToChar(WhiteFerz);
8363 if (fromY == DROP_RANK) {
8365 piece = board[toY][toX] = (ChessSquare) fromX;
8369 if( board[fromY][fromX] == WhitePawn ) {
8370 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8371 board[EP_STATUS] = EP_PAWN_MOVE;
8373 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
8374 gameInfo.variant != VariantBerolina || toX < fromX)
8375 board[EP_STATUS] = toX | berolina;
8376 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
8377 gameInfo.variant != VariantBerolina || toX > fromX)
8378 board[EP_STATUS] = toX;
8381 if( board[fromY][fromX] == BlackPawn ) {
8382 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8383 board[EP_STATUS] = EP_PAWN_MOVE;
8384 if( toY-fromY== -2) {
8385 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
8386 gameInfo.variant != VariantBerolina || toX < fromX)
8387 board[EP_STATUS] = toX | berolina;
8388 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
8389 gameInfo.variant != VariantBerolina || toX > fromX)
8390 board[EP_STATUS] = toX;
8394 for(i=0; i<nrCastlingRights; i++) {
8395 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
8396 board[CASTLING][i] == toX && castlingRank[i] == toY
8397 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
8400 if (fromX == toX && fromY == toY) return;
8402 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
8403 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
8404 if(gameInfo.variant == VariantKnightmate)
8405 king += (int) WhiteUnicorn - (int) WhiteKing;
8407 /* Code added by Tord: */
8408 /* FRC castling assumed when king captures friendly rook. */
8409 if (board[fromY][fromX] == WhiteKing &&
8410 board[toY][toX] == WhiteRook) {
8411 board[fromY][fromX] = EmptySquare;
8412 board[toY][toX] = EmptySquare;
8414 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
8416 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
8418 } else if (board[fromY][fromX] == BlackKing &&
8419 board[toY][toX] == BlackRook) {
8420 board[fromY][fromX] = EmptySquare;
8421 board[toY][toX] = EmptySquare;
8423 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
8425 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
8427 /* End of code added by Tord */
8429 } else if (board[fromY][fromX] == king
8430 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8431 && toY == fromY && toX > fromX+1) {
8432 board[fromY][fromX] = EmptySquare;
8433 board[toY][toX] = king;
8434 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8435 board[fromY][BOARD_RGHT-1] = EmptySquare;
8436 } else if (board[fromY][fromX] == king
8437 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8438 && toY == fromY && toX < fromX-1) {
8439 board[fromY][fromX] = EmptySquare;
8440 board[toY][toX] = king;
8441 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8442 board[fromY][BOARD_LEFT] = EmptySquare;
8443 } else if (board[fromY][fromX] == WhitePawn
8444 && toY >= BOARD_HEIGHT-promoRank
8445 && gameInfo.variant != VariantXiangqi
8447 /* white pawn promotion */
8448 board[toY][toX] = CharToPiece(ToUpper(promoChar));
8449 if (board[toY][toX] == EmptySquare) {
8450 board[toY][toX] = WhiteQueen;
8452 if(gameInfo.variant==VariantBughouse ||
8453 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8454 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8455 board[fromY][fromX] = EmptySquare;
8456 } else if ((fromY == BOARD_HEIGHT-4)
8458 && gameInfo.variant != VariantXiangqi
8459 && gameInfo.variant != VariantBerolina
8460 && (board[fromY][fromX] == WhitePawn)
8461 && (board[toY][toX] == EmptySquare)) {
8462 board[fromY][fromX] = EmptySquare;
8463 board[toY][toX] = WhitePawn;
8464 captured = board[toY - 1][toX];
8465 board[toY - 1][toX] = EmptySquare;
8466 } else if ((fromY == BOARD_HEIGHT-4)
8468 && gameInfo.variant == VariantBerolina
8469 && (board[fromY][fromX] == WhitePawn)
8470 && (board[toY][toX] == EmptySquare)) {
8471 board[fromY][fromX] = EmptySquare;
8472 board[toY][toX] = WhitePawn;
8473 if(oldEP & EP_BEROLIN_A) {
8474 captured = board[fromY][fromX-1];
8475 board[fromY][fromX-1] = EmptySquare;
8476 }else{ captured = board[fromY][fromX+1];
8477 board[fromY][fromX+1] = EmptySquare;
8479 } else if (board[fromY][fromX] == king
8480 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8481 && toY == fromY && toX > fromX+1) {
8482 board[fromY][fromX] = EmptySquare;
8483 board[toY][toX] = king;
8484 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8485 board[fromY][BOARD_RGHT-1] = EmptySquare;
8486 } else if (board[fromY][fromX] == king
8487 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8488 && toY == fromY && toX < fromX-1) {
8489 board[fromY][fromX] = EmptySquare;
8490 board[toY][toX] = king;
8491 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8492 board[fromY][BOARD_LEFT] = EmptySquare;
8493 } else if (fromY == 7 && fromX == 3
8494 && board[fromY][fromX] == BlackKing
8495 && toY == 7 && toX == 5) {
8496 board[fromY][fromX] = EmptySquare;
8497 board[toY][toX] = BlackKing;
8498 board[fromY][7] = EmptySquare;
8499 board[toY][4] = BlackRook;
8500 } else if (fromY == 7 && fromX == 3
8501 && board[fromY][fromX] == BlackKing
8502 && toY == 7 && toX == 1) {
8503 board[fromY][fromX] = EmptySquare;
8504 board[toY][toX] = BlackKing;
8505 board[fromY][0] = EmptySquare;
8506 board[toY][2] = BlackRook;
8507 } else if (board[fromY][fromX] == BlackPawn
8509 && gameInfo.variant != VariantXiangqi
8511 /* black pawn promotion */
8512 board[toY][toX] = CharToPiece(ToLower(promoChar));
8513 if (board[toY][toX] == EmptySquare) {
8514 board[toY][toX] = BlackQueen;
8516 if(gameInfo.variant==VariantBughouse ||
8517 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8518 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8519 board[fromY][fromX] = EmptySquare;
8520 } else if ((fromY == 3)
8522 && gameInfo.variant != VariantXiangqi
8523 && gameInfo.variant != VariantBerolina
8524 && (board[fromY][fromX] == BlackPawn)
8525 && (board[toY][toX] == EmptySquare)) {
8526 board[fromY][fromX] = EmptySquare;
8527 board[toY][toX] = BlackPawn;
8528 captured = board[toY + 1][toX];
8529 board[toY + 1][toX] = EmptySquare;
8530 } else if ((fromY == 3)
8532 && gameInfo.variant == VariantBerolina
8533 && (board[fromY][fromX] == BlackPawn)
8534 && (board[toY][toX] == EmptySquare)) {
8535 board[fromY][fromX] = EmptySquare;
8536 board[toY][toX] = BlackPawn;
8537 if(oldEP & EP_BEROLIN_A) {
8538 captured = board[fromY][fromX-1];
8539 board[fromY][fromX-1] = EmptySquare;
8540 }else{ captured = board[fromY][fromX+1];
8541 board[fromY][fromX+1] = EmptySquare;
8544 board[toY][toX] = board[fromY][fromX];
8545 board[fromY][fromX] = EmptySquare;
8549 if (gameInfo.holdingsWidth != 0) {
8551 /* !!A lot more code needs to be written to support holdings */
8552 /* [HGM] OK, so I have written it. Holdings are stored in the */
8553 /* penultimate board files, so they are automaticlly stored */
8554 /* in the game history. */
8555 if (fromY == DROP_RANK) {
8556 /* Delete from holdings, by decreasing count */
8557 /* and erasing image if necessary */
8559 if(p < (int) BlackPawn) { /* white drop */
8560 p -= (int)WhitePawn;
8561 p = PieceToNumber((ChessSquare)p);
8562 if(p >= gameInfo.holdingsSize) p = 0;
8563 if(--board[p][BOARD_WIDTH-2] <= 0)
8564 board[p][BOARD_WIDTH-1] = EmptySquare;
8565 if((int)board[p][BOARD_WIDTH-2] < 0)
8566 board[p][BOARD_WIDTH-2] = 0;
8567 } else { /* black drop */
8568 p -= (int)BlackPawn;
8569 p = PieceToNumber((ChessSquare)p);
8570 if(p >= gameInfo.holdingsSize) p = 0;
8571 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
8572 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
8573 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
8574 board[BOARD_HEIGHT-1-p][1] = 0;
8577 if (captured != EmptySquare && gameInfo.holdingsSize > 0
8578 && gameInfo.variant != VariantBughouse ) {
8579 /* [HGM] holdings: Add to holdings, if holdings exist */
8580 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
8581 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
8582 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
8585 if (p >= (int) BlackPawn) {
8586 p -= (int)BlackPawn;
8587 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8588 /* in Shogi restore piece to its original first */
8589 captured = (ChessSquare) (DEMOTED captured);
8592 p = PieceToNumber((ChessSquare)p);
8593 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
8594 board[p][BOARD_WIDTH-2]++;
8595 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
8597 p -= (int)WhitePawn;
8598 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8599 captured = (ChessSquare) (DEMOTED captured);
8602 p = PieceToNumber((ChessSquare)p);
8603 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
8604 board[BOARD_HEIGHT-1-p][1]++;
8605 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
8608 } else if (gameInfo.variant == VariantAtomic) {
8609 if (captured != EmptySquare) {
8611 for (y = toY-1; y <= toY+1; y++) {
8612 for (x = toX-1; x <= toX+1; x++) {
8613 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
8614 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
8615 board[y][x] = EmptySquare;
8619 board[toY][toX] = EmptySquare;
8622 if(promoChar == '+') {
8623 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
8624 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8625 } else if(!appData.testLegality) { // without legality testing, unconditionally believe promoChar
8626 board[toY][toX] = CharToPiece(promoChar);
8628 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8629 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
8630 // [HGM] superchess: take promotion piece out of holdings
8631 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
8632 if((int)piece < (int)BlackPawn) { // determine stm from piece color
8633 if(!--board[k][BOARD_WIDTH-2])
8634 board[k][BOARD_WIDTH-1] = EmptySquare;
8636 if(!--board[BOARD_HEIGHT-1-k][1])
8637 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
8643 /* Updates forwardMostMove */
8645 MakeMove(fromX, fromY, toX, toY, promoChar)
8646 int fromX, fromY, toX, toY;
8649 // forwardMostMove++; // [HGM] bare: moved downstream
8651 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
8652 int timeLeft; static int lastLoadFlag=0; int king, piece;
8653 piece = boards[forwardMostMove][fromY][fromX];
8654 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
8655 if(gameInfo.variant == VariantKnightmate)
8656 king += (int) WhiteUnicorn - (int) WhiteKing;
8657 if(forwardMostMove == 0) {
8659 fprintf(serverMoves, "%s;", second.tidy);
8660 fprintf(serverMoves, "%s;", first.tidy);
8661 if(!blackPlaysFirst)
8662 fprintf(serverMoves, "%s;", second.tidy);
8663 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
8664 lastLoadFlag = loadFlag;
8666 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
8667 // print castling suffix
8668 if( toY == fromY && piece == king ) {
8670 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
8672 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
8675 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
8676 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
8677 boards[forwardMostMove][toY][toX] == EmptySquare
8678 && fromX != toX && fromY != toY)
8679 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
8681 if(promoChar != NULLCHAR)
8682 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
8684 fprintf(serverMoves, "/%d/%d",
8685 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
8686 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
8687 else timeLeft = blackTimeRemaining/1000;
8688 fprintf(serverMoves, "/%d", timeLeft);
8690 fflush(serverMoves);
8693 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
8694 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
8698 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
8699 if (commentList[forwardMostMove+1] != NULL) {
8700 free(commentList[forwardMostMove+1]);
8701 commentList[forwardMostMove+1] = NULL;
8703 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8704 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
8705 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
8706 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
8707 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
8708 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
8709 gameInfo.result = GameUnfinished;
8710 if (gameInfo.resultDetails != NULL) {
8711 free(gameInfo.resultDetails);
8712 gameInfo.resultDetails = NULL;
8714 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
8715 moveList[forwardMostMove - 1]);
8716 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
8717 PosFlags(forwardMostMove - 1),
8718 fromY, fromX, toY, toX, promoChar,
8719 parseList[forwardMostMove - 1]);
8720 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8726 if(gameInfo.variant != VariantShogi)
8727 strcat(parseList[forwardMostMove - 1], "+");
8731 strcat(parseList[forwardMostMove - 1], "#");
8734 if (appData.debugMode) {
8735 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
8740 /* Updates currentMove if not pausing */
8742 ShowMove(fromX, fromY, toX, toY)
8744 int instant = (gameMode == PlayFromGameFile) ?
8745 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
8746 if(appData.noGUI) return;
8747 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
8749 if (forwardMostMove == currentMove + 1) {
8750 AnimateMove(boards[forwardMostMove - 1],
8751 fromX, fromY, toX, toY);
8753 if (appData.highlightLastMove) {
8754 SetHighlights(fromX, fromY, toX, toY);
8757 currentMove = forwardMostMove;
8760 if (instant) return;
8762 DisplayMove(currentMove - 1);
8763 DrawPosition(FALSE, boards[currentMove]);
8764 DisplayBothClocks();
8765 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
8768 void SendEgtPath(ChessProgramState *cps)
8769 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
8770 char buf[MSG_SIZ], name[MSG_SIZ], *p;
8772 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
8775 char c, *q = name+1, *r, *s;
8777 name[0] = ','; // extract next format name from feature and copy with prefixed ','
8778 while(*p && *p != ',') *q++ = *p++;
8780 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
8781 strcmp(name, ",nalimov:") == 0 ) {
8782 // take nalimov path from the menu-changeable option first, if it is defined
8783 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
8784 SendToProgram(buf,cps); // send egtbpath command for nalimov
8786 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
8787 (s = StrStr(appData.egtFormats, name)) != NULL) {
8788 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
8789 s = r = StrStr(s, ":") + 1; // beginning of path info
8790 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
8791 c = *r; *r = 0; // temporarily null-terminate path info
8792 *--q = 0; // strip of trailig ':' from name
8793 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
8795 SendToProgram(buf,cps); // send egtbpath command for this format
8797 if(*p == ',') p++; // read away comma to position for next format name
8802 InitChessProgram(cps, setup)
8803 ChessProgramState *cps;
8804 int setup; /* [HGM] needed to setup FRC opening position */
8806 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
8807 if (appData.noChessProgram) return;
8808 hintRequested = FALSE;
8809 bookRequested = FALSE;
8811 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
8812 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
8813 if(cps->memSize) { /* [HGM] memory */
8814 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
8815 SendToProgram(buf, cps);
8817 SendEgtPath(cps); /* [HGM] EGT */
8818 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
8819 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
8820 SendToProgram(buf, cps);
8823 SendToProgram(cps->initString, cps);
8824 if (gameInfo.variant != VariantNormal &&
8825 gameInfo.variant != VariantLoadable
8826 /* [HGM] also send variant if board size non-standard */
8827 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
8829 char *v = VariantName(gameInfo.variant);
8830 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
8831 /* [HGM] in protocol 1 we have to assume all variants valid */
8832 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
8833 DisplayFatalError(buf, 0, 1);
8837 /* [HGM] make prefix for non-standard board size. Awkward testing... */
8838 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8839 if( gameInfo.variant == VariantXiangqi )
8840 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
8841 if( gameInfo.variant == VariantShogi )
8842 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
8843 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
8844 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
8845 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
8846 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
8847 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8848 if( gameInfo.variant == VariantCourier )
8849 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8850 if( gameInfo.variant == VariantSuper )
8851 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8852 if( gameInfo.variant == VariantGreat )
8853 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8856 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
8857 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
8858 /* [HGM] varsize: try first if this defiant size variant is specifically known */
8859 if(StrStr(cps->variants, b) == NULL) {
8860 // specific sized variant not known, check if general sizing allowed
8861 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
8862 if(StrStr(cps->variants, "boardsize") == NULL) {
8863 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
8864 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
8865 DisplayFatalError(buf, 0, 1);
8868 /* [HGM] here we really should compare with the maximum supported board size */
8871 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
8872 snprintf(buf, MSG_SIZ, "variant %s\n", b);
8873 SendToProgram(buf, cps);
8875 currentlyInitializedVariant = gameInfo.variant;
8877 /* [HGM] send opening position in FRC to first engine */
8879 SendToProgram("force\n", cps);
8881 /* engine is now in force mode! Set flag to wake it up after first move. */
8882 setboardSpoiledMachineBlack = 1;
8886 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
8887 SendToProgram(buf, cps);
8889 cps->maybeThinking = FALSE;
8890 cps->offeredDraw = 0;
8891 if (!appData.icsActive) {
8892 SendTimeControl(cps, movesPerSession, timeControl,
8893 timeIncrement, appData.searchDepth,
8896 if (appData.showThinking
8897 // [HGM] thinking: four options require thinking output to be sent
8898 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8900 SendToProgram("post\n", cps);
8902 SendToProgram("hard\n", cps);
8903 if (!appData.ponderNextMove) {
8904 /* Warning: "easy" is a toggle in GNU Chess, so don't send
8905 it without being sure what state we are in first. "hard"
8906 is not a toggle, so that one is OK.
8908 SendToProgram("easy\n", cps);
8911 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
8912 SendToProgram(buf, cps);
8914 cps->initDone = TRUE;
8919 StartChessProgram(cps)
8920 ChessProgramState *cps;
8925 if (appData.noChessProgram) return;
8926 cps->initDone = FALSE;
8928 if (strcmp(cps->host, "localhost") == 0) {
8929 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
8930 } else if (*appData.remoteShell == NULLCHAR) {
8931 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
8933 if (*appData.remoteUser == NULLCHAR) {
8934 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
8937 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
8938 cps->host, appData.remoteUser, cps->program);
8940 err = StartChildProcess(buf, "", &cps->pr);
8944 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
8945 DisplayFatalError(buf, err, 1);
8951 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
8952 if (cps->protocolVersion > 1) {
8953 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
8954 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
8955 cps->comboCnt = 0; // and values of combo boxes
8956 SendToProgram(buf, cps);
8958 SendToProgram("xboard\n", cps);
8964 TwoMachinesEventIfReady P((void))
8966 if (first.lastPing != first.lastPong) {
8967 DisplayMessage("", _("Waiting for first chess program"));
8968 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8971 if (second.lastPing != second.lastPong) {
8972 DisplayMessage("", _("Waiting for second chess program"));
8973 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8981 NextMatchGame P((void))
8983 int index; /* [HGM] autoinc: step load index during match */
8985 if (*appData.loadGameFile != NULLCHAR) {
8986 index = appData.loadGameIndex;
8987 if(index < 0) { // [HGM] autoinc
8988 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8989 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8991 LoadGameFromFile(appData.loadGameFile,
8993 appData.loadGameFile, FALSE);
8994 } else if (*appData.loadPositionFile != NULLCHAR) {
8995 index = appData.loadPositionIndex;
8996 if(index < 0) { // [HGM] autoinc
8997 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8998 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
9000 LoadPositionFromFile(appData.loadPositionFile,
9002 appData.loadPositionFile);
9004 TwoMachinesEventIfReady();
9007 void UserAdjudicationEvent( int result )
9009 ChessMove gameResult = GameIsDrawn;
9012 gameResult = WhiteWins;
9014 else if( result < 0 ) {
9015 gameResult = BlackWins;
9018 if( gameMode == TwoMachinesPlay ) {
9019 GameEnds( gameResult, "User adjudication", GE_XBOARD );
9024 // [HGM] save: calculate checksum of game to make games easily identifiable
9025 int StringCheckSum(char *s)
9028 if(s==NULL) return 0;
9029 while(*s) i = i*259 + *s++;
9036 for(i=backwardMostMove; i<forwardMostMove; i++) {
9037 sum += pvInfoList[i].depth;
9038 sum += StringCheckSum(parseList[i]);
9039 sum += StringCheckSum(commentList[i]);
9042 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
9043 return sum + StringCheckSum(commentList[i]);
9044 } // end of save patch
9047 GameEnds(result, resultDetails, whosays)
9049 char *resultDetails;
9052 GameMode nextGameMode;
9054 char buf[MSG_SIZ], popupRequested = 0;
9056 if(endingGame) return; /* [HGM] crash: forbid recursion */
9058 if(twoBoards) { // [HGM] dual: switch back to one board
9059 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
9060 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
9062 if (appData.debugMode) {
9063 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
9064 result, resultDetails ? resultDetails : "(null)", whosays);
9067 fromX = fromY = -1; // [HGM] abort any move the user is entering.
9069 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
9070 /* If we are playing on ICS, the server decides when the
9071 game is over, but the engine can offer to draw, claim
9075 if (appData.zippyPlay && first.initDone) {
9076 if (result == GameIsDrawn) {
9077 /* In case draw still needs to be claimed */
9078 SendToICS(ics_prefix);
9079 SendToICS("draw\n");
9080 } else if (StrCaseStr(resultDetails, "resign")) {
9081 SendToICS(ics_prefix);
9082 SendToICS("resign\n");
9086 endingGame = 0; /* [HGM] crash */
9090 /* If we're loading the game from a file, stop */
9091 if (whosays == GE_FILE) {
9092 (void) StopLoadGameTimer();
9096 /* Cancel draw offers */
9097 first.offeredDraw = second.offeredDraw = 0;
9099 /* If this is an ICS game, only ICS can really say it's done;
9100 if not, anyone can. */
9101 isIcsGame = (gameMode == IcsPlayingWhite ||
9102 gameMode == IcsPlayingBlack ||
9103 gameMode == IcsObserving ||
9104 gameMode == IcsExamining);
9106 if (!isIcsGame || whosays == GE_ICS) {
9107 /* OK -- not an ICS game, or ICS said it was done */
9109 if (!isIcsGame && !appData.noChessProgram)
9110 SetUserThinkingEnables();
9112 /* [HGM] if a machine claims the game end we verify this claim */
9113 if(gameMode == TwoMachinesPlay && appData.testClaims) {
9114 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
9116 ChessMove trueResult = (ChessMove) -1;
9118 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
9119 first.twoMachinesColor[0] :
9120 second.twoMachinesColor[0] ;
9122 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
9123 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
9124 /* [HGM] verify: engine mate claims accepted if they were flagged */
9125 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
9127 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
9128 /* [HGM] verify: engine mate claims accepted if they were flagged */
9129 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
9131 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
9132 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
9135 // now verify win claims, but not in drop games, as we don't understand those yet
9136 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
9137 || gameInfo.variant == VariantGreat) &&
9138 (result == WhiteWins && claimer == 'w' ||
9139 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
9140 if (appData.debugMode) {
9141 fprintf(debugFP, "result=%d sp=%d move=%d\n",
9142 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
9144 if(result != trueResult) {
9145 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
9146 result = claimer == 'w' ? BlackWins : WhiteWins;
9147 resultDetails = buf;
9150 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
9151 && (forwardMostMove <= backwardMostMove ||
9152 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
9153 (claimer=='b')==(forwardMostMove&1))
9155 /* [HGM] verify: draws that were not flagged are false claims */
9156 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
9157 result = claimer == 'w' ? BlackWins : WhiteWins;
9158 resultDetails = buf;
9160 /* (Claiming a loss is accepted no questions asked!) */
9162 /* [HGM] bare: don't allow bare King to win */
9163 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
9164 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
9165 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
9166 && result != GameIsDrawn)
9167 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
9168 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
9169 int p = (signed char)boards[forwardMostMove][i][j] - color;
9170 if(p >= 0 && p <= (int)WhiteKing) k++;
9172 if (appData.debugMode) {
9173 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
9174 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
9177 result = GameIsDrawn;
9178 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
9179 resultDetails = buf;
9185 if(serverMoves != NULL && !loadFlag) { char c = '=';
9186 if(result==WhiteWins) c = '+';
9187 if(result==BlackWins) c = '-';
9188 if(resultDetails != NULL)
9189 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
9191 if (resultDetails != NULL) {
9192 gameInfo.result = result;
9193 gameInfo.resultDetails = StrSave(resultDetails);
9195 /* display last move only if game was not loaded from file */
9196 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
9197 DisplayMove(currentMove - 1);
9199 if (forwardMostMove != 0) {
9200 if (gameMode != PlayFromGameFile && gameMode != EditGame
9201 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
9203 if (*appData.saveGameFile != NULLCHAR) {
9204 SaveGameToFile(appData.saveGameFile, TRUE);
9205 } else if (appData.autoSaveGames) {
9208 if (*appData.savePositionFile != NULLCHAR) {
9209 SavePositionToFile(appData.savePositionFile);
9214 /* Tell program how game ended in case it is learning */
9215 /* [HGM] Moved this to after saving the PGN, just in case */
9216 /* engine died and we got here through time loss. In that */
9217 /* case we will get a fatal error writing the pipe, which */
9218 /* would otherwise lose us the PGN. */
9219 /* [HGM] crash: not needed anymore, but doesn't hurt; */
9220 /* output during GameEnds should never be fatal anymore */
9221 if (gameMode == MachinePlaysWhite ||
9222 gameMode == MachinePlaysBlack ||
9223 gameMode == TwoMachinesPlay ||
9224 gameMode == IcsPlayingWhite ||
9225 gameMode == IcsPlayingBlack ||
9226 gameMode == BeginningOfGame) {
9228 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
9230 if (first.pr != NoProc) {
9231 SendToProgram(buf, &first);
9233 if (second.pr != NoProc &&
9234 gameMode == TwoMachinesPlay) {
9235 SendToProgram(buf, &second);
9240 if (appData.icsActive) {
9241 if (appData.quietPlay &&
9242 (gameMode == IcsPlayingWhite ||
9243 gameMode == IcsPlayingBlack)) {
9244 SendToICS(ics_prefix);
9245 SendToICS("set shout 1\n");
9247 nextGameMode = IcsIdle;
9248 ics_user_moved = FALSE;
9249 /* clean up premove. It's ugly when the game has ended and the
9250 * premove highlights are still on the board.
9254 ClearPremoveHighlights();
9255 DrawPosition(FALSE, boards[currentMove]);
9257 if (whosays == GE_ICS) {
9260 if (gameMode == IcsPlayingWhite)
9262 else if(gameMode == IcsPlayingBlack)
9266 if (gameMode == IcsPlayingBlack)
9268 else if(gameMode == IcsPlayingWhite)
9275 PlayIcsUnfinishedSound();
9278 } else if (gameMode == EditGame ||
9279 gameMode == PlayFromGameFile ||
9280 gameMode == AnalyzeMode ||
9281 gameMode == AnalyzeFile) {
9282 nextGameMode = gameMode;
9284 nextGameMode = EndOfGame;
9289 nextGameMode = gameMode;
9292 if (appData.noChessProgram) {
9293 gameMode = nextGameMode;
9295 endingGame = 0; /* [HGM] crash */
9300 /* Put first chess program into idle state */
9301 if (first.pr != NoProc &&
9302 (gameMode == MachinePlaysWhite ||
9303 gameMode == MachinePlaysBlack ||
9304 gameMode == TwoMachinesPlay ||
9305 gameMode == IcsPlayingWhite ||
9306 gameMode == IcsPlayingBlack ||
9307 gameMode == BeginningOfGame)) {
9308 SendToProgram("force\n", &first);
9309 if (first.usePing) {
9311 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
9312 SendToProgram(buf, &first);
9315 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9316 /* Kill off first chess program */
9317 if (first.isr != NULL)
9318 RemoveInputSource(first.isr);
9321 if (first.pr != NoProc) {
9323 DoSleep( appData.delayBeforeQuit );
9324 SendToProgram("quit\n", &first);
9325 DoSleep( appData.delayAfterQuit );
9326 DestroyChildProcess(first.pr, first.useSigterm);
9331 /* Put second chess program into idle state */
9332 if (second.pr != NoProc &&
9333 gameMode == TwoMachinesPlay) {
9334 SendToProgram("force\n", &second);
9335 if (second.usePing) {
9337 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
9338 SendToProgram(buf, &second);
9341 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9342 /* Kill off second chess program */
9343 if (second.isr != NULL)
9344 RemoveInputSource(second.isr);
9347 if (second.pr != NoProc) {
9348 DoSleep( appData.delayBeforeQuit );
9349 SendToProgram("quit\n", &second);
9350 DoSleep( appData.delayAfterQuit );
9351 DestroyChildProcess(second.pr, second.useSigterm);
9356 if (matchMode && gameMode == TwoMachinesPlay) {
9359 if (first.twoMachinesColor[0] == 'w') {
9366 if (first.twoMachinesColor[0] == 'b') {
9375 if (matchGame < appData.matchGames) {
9377 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
9378 tmp = first.twoMachinesColor;
9379 first.twoMachinesColor = second.twoMachinesColor;
9380 second.twoMachinesColor = tmp;
9382 gameMode = nextGameMode;
9384 if(appData.matchPause>10000 || appData.matchPause<10)
9385 appData.matchPause = 10000; /* [HGM] make pause adjustable */
9386 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
9387 endingGame = 0; /* [HGM] crash */
9390 gameMode = nextGameMode;
9391 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
9392 first.tidy, second.tidy,
9393 first.matchWins, second.matchWins,
9394 appData.matchGames - (first.matchWins + second.matchWins));
9395 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
9398 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
9399 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
9401 gameMode = nextGameMode;
9403 endingGame = 0; /* [HGM] crash */
9404 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
9405 if(matchMode == TRUE) DisplayFatalError(buf, 0, 0); else {
9406 matchMode = FALSE; appData.matchGames = matchGame = 0;
9412 /* Assumes program was just initialized (initString sent).
9413 Leaves program in force mode. */
9415 FeedMovesToProgram(cps, upto)
9416 ChessProgramState *cps;
9421 if (appData.debugMode)
9422 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
9423 startedFromSetupPosition ? "position and " : "",
9424 backwardMostMove, upto, cps->which);
9425 if(currentlyInitializedVariant != gameInfo.variant) {
9427 // [HGM] variantswitch: make engine aware of new variant
9428 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
9429 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
9430 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
9431 SendToProgram(buf, cps);
9432 currentlyInitializedVariant = gameInfo.variant;
9434 SendToProgram("force\n", cps);
9435 if (startedFromSetupPosition) {
9436 SendBoard(cps, backwardMostMove);
9437 if (appData.debugMode) {
9438 fprintf(debugFP, "feedMoves\n");
9441 for (i = backwardMostMove; i < upto; i++) {
9442 SendMoveToProgram(i, cps);
9448 ResurrectChessProgram()
9450 /* The chess program may have exited.
9451 If so, restart it and feed it all the moves made so far. */
9453 if (appData.noChessProgram || first.pr != NoProc) return;
9455 StartChessProgram(&first);
9456 InitChessProgram(&first, FALSE);
9457 FeedMovesToProgram(&first, currentMove);
9459 if (!first.sendTime) {
9460 /* can't tell gnuchess what its clock should read,
9461 so we bow to its notion. */
9463 timeRemaining[0][currentMove] = whiteTimeRemaining;
9464 timeRemaining[1][currentMove] = blackTimeRemaining;
9467 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
9468 appData.icsEngineAnalyze) && first.analysisSupport) {
9469 SendToProgram("analyze\n", &first);
9470 first.analyzing = TRUE;
9483 if (appData.debugMode) {
9484 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
9485 redraw, init, gameMode);
9487 CleanupTail(); // [HGM] vari: delete any stored variations
9488 pausing = pauseExamInvalid = FALSE;
9489 startedFromSetupPosition = blackPlaysFirst = FALSE;
9491 whiteFlag = blackFlag = FALSE;
9492 userOfferedDraw = FALSE;
9493 hintRequested = bookRequested = FALSE;
9494 first.maybeThinking = FALSE;
9495 second.maybeThinking = FALSE;
9496 first.bookSuspend = FALSE; // [HGM] book
9497 second.bookSuspend = FALSE;
9498 thinkOutput[0] = NULLCHAR;
9499 lastHint[0] = NULLCHAR;
9500 ClearGameInfo(&gameInfo);
9501 gameInfo.variant = StringToVariant(appData.variant);
9502 ics_user_moved = ics_clock_paused = FALSE;
9503 ics_getting_history = H_FALSE;
9505 white_holding[0] = black_holding[0] = NULLCHAR;
9506 ClearProgramStats();
9507 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
9511 flipView = appData.flipView;
9512 ClearPremoveHighlights();
9514 alarmSounded = FALSE;
9516 GameEnds(EndOfFile, NULL, GE_PLAYER);
9517 if(appData.serverMovesName != NULL) {
9518 /* [HGM] prepare to make moves file for broadcasting */
9519 clock_t t = clock();
9520 if(serverMoves != NULL) fclose(serverMoves);
9521 serverMoves = fopen(appData.serverMovesName, "r");
9522 if(serverMoves != NULL) {
9523 fclose(serverMoves);
9524 /* delay 15 sec before overwriting, so all clients can see end */
9525 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
9527 serverMoves = fopen(appData.serverMovesName, "w");
9531 gameMode = BeginningOfGame;
9533 if(appData.icsActive) gameInfo.variant = VariantNormal;
9534 currentMove = forwardMostMove = backwardMostMove = 0;
9535 InitPosition(redraw);
9536 for (i = 0; i < MAX_MOVES; i++) {
9537 if (commentList[i] != NULL) {
9538 free(commentList[i]);
9539 commentList[i] = NULL;
9543 timeRemaining[0][0] = whiteTimeRemaining;
9544 timeRemaining[1][0] = blackTimeRemaining;
9545 if (first.pr == NULL) {
9546 StartChessProgram(&first);
9549 InitChessProgram(&first, startedFromSetupPosition);
9552 DisplayMessage("", "");
9553 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9554 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
9561 if (!AutoPlayOneMove())
9563 if (matchMode || appData.timeDelay == 0)
9565 if (appData.timeDelay < 0 || gameMode == AnalyzeFile)
9567 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
9576 int fromX, fromY, toX, toY;
9578 if (appData.debugMode) {
9579 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
9582 if (gameMode != PlayFromGameFile)
9585 if (currentMove >= forwardMostMove) {
9586 gameMode = EditGame;
9589 /* [AS] Clear current move marker at the end of a game */
9590 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
9595 toX = moveList[currentMove][2] - AAA;
9596 toY = moveList[currentMove][3] - ONE;
9598 if (moveList[currentMove][1] == '@') {
9599 if (appData.highlightLastMove) {
9600 SetHighlights(-1, -1, toX, toY);
9603 fromX = moveList[currentMove][0] - AAA;
9604 fromY = moveList[currentMove][1] - ONE;
9606 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
9608 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
9610 if (appData.highlightLastMove) {
9611 SetHighlights(fromX, fromY, toX, toY);
9614 DisplayMove(currentMove);
9615 SendMoveToProgram(currentMove++, &first);
9616 DisplayBothClocks();
9617 DrawPosition(FALSE, boards[currentMove]);
9618 // [HGM] PV info: always display, routine tests if empty
9619 DisplayComment(currentMove - 1, commentList[currentMove]);
9625 LoadGameOneMove(readAhead)
9626 ChessMove readAhead;
9628 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
9629 char promoChar = NULLCHAR;
9634 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
9635 gameMode != AnalyzeMode && gameMode != Training) {
9640 yyboardindex = forwardMostMove;
9641 if (readAhead != EndOfFile) {
9642 moveType = readAhead;
9644 if (gameFileFP == NULL)
9646 moveType = (ChessMove) yylex();
9652 if (appData.debugMode)
9653 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9656 /* append the comment but don't display it */
9657 AppendComment(currentMove, p, FALSE);
9660 case WhiteCapturesEnPassant:
9661 case BlackCapturesEnPassant:
9662 case WhitePromotion:
9663 case BlackPromotion:
9664 case WhiteNonPromotion:
9665 case BlackNonPromotion:
9667 case WhiteKingSideCastle:
9668 case WhiteQueenSideCastle:
9669 case BlackKingSideCastle:
9670 case BlackQueenSideCastle:
9671 case WhiteKingSideCastleWild:
9672 case WhiteQueenSideCastleWild:
9673 case BlackKingSideCastleWild:
9674 case BlackQueenSideCastleWild:
9676 case WhiteHSideCastleFR:
9677 case WhiteASideCastleFR:
9678 case BlackHSideCastleFR:
9679 case BlackASideCastleFR:
9681 if (appData.debugMode)
9682 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9683 fromX = currentMoveString[0] - AAA;
9684 fromY = currentMoveString[1] - ONE;
9685 toX = currentMoveString[2] - AAA;
9686 toY = currentMoveString[3] - ONE;
9687 promoChar = currentMoveString[4];
9692 if (appData.debugMode)
9693 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9694 fromX = moveType == WhiteDrop ?
9695 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9696 (int) CharToPiece(ToLower(currentMoveString[0]));
9698 toX = currentMoveString[2] - AAA;
9699 toY = currentMoveString[3] - ONE;
9705 case GameUnfinished:
9706 if (appData.debugMode)
9707 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
9708 p = strchr(yy_text, '{');
9709 if (p == NULL) p = strchr(yy_text, '(');
9712 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9714 q = strchr(p, *p == '{' ? '}' : ')');
9715 if (q != NULL) *q = NULLCHAR;
9718 GameEnds(moveType, p, GE_FILE);
9720 if (cmailMsgLoaded) {
9722 flipView = WhiteOnMove(currentMove);
9723 if (moveType == GameUnfinished) flipView = !flipView;
9724 if (appData.debugMode)
9725 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
9730 if (appData.debugMode)
9731 fprintf(debugFP, "Parser hit end of file\n");
9732 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9738 if (WhiteOnMove(currentMove)) {
9739 GameEnds(BlackWins, "Black mates", GE_FILE);
9741 GameEnds(WhiteWins, "White mates", GE_FILE);
9745 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9752 if (lastLoadGameStart == GNUChessGame) {
9753 /* GNUChessGames have numbers, but they aren't move numbers */
9754 if (appData.debugMode)
9755 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9756 yy_text, (int) moveType);
9757 return LoadGameOneMove(EndOfFile); /* tail recursion */
9759 /* else fall thru */
9764 /* Reached start of next game in file */
9765 if (appData.debugMode)
9766 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
9767 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9773 if (WhiteOnMove(currentMove)) {
9774 GameEnds(BlackWins, "Black mates", GE_FILE);
9776 GameEnds(WhiteWins, "White mates", GE_FILE);
9780 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9786 case PositionDiagram: /* should not happen; ignore */
9787 case ElapsedTime: /* ignore */
9788 case NAG: /* ignore */
9789 if (appData.debugMode)
9790 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9791 yy_text, (int) moveType);
9792 return LoadGameOneMove(EndOfFile); /* tail recursion */
9795 if (appData.testLegality) {
9796 if (appData.debugMode)
9797 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
9798 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
9799 (forwardMostMove / 2) + 1,
9800 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9801 DisplayError(move, 0);
9804 if (appData.debugMode)
9805 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
9806 yy_text, currentMoveString);
9807 fromX = currentMoveString[0] - AAA;
9808 fromY = currentMoveString[1] - ONE;
9809 toX = currentMoveString[2] - AAA;
9810 toY = currentMoveString[3] - ONE;
9811 promoChar = currentMoveString[4];
9816 if (appData.debugMode)
9817 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
9818 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
9819 (forwardMostMove / 2) + 1,
9820 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9821 DisplayError(move, 0);
9826 case ImpossibleMove:
9827 if (appData.debugMode)
9828 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
9829 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
9830 (forwardMostMove / 2) + 1,
9831 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9832 DisplayError(move, 0);
9838 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
9839 DrawPosition(FALSE, boards[currentMove]);
9840 DisplayBothClocks();
9841 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
9842 DisplayComment(currentMove - 1, commentList[currentMove]);
9844 (void) StopLoadGameTimer();
9846 cmailOldMove = forwardMostMove;
9849 /* currentMoveString is set as a side-effect of yylex */
9850 strcat(currentMoveString, "\n");
9851 safeStrCpy(moveList[forwardMostMove], currentMoveString, sizeof(moveList[forwardMostMove])/sizeof(moveList[forwardMostMove][0]));
9853 thinkOutput[0] = NULLCHAR;
9854 MakeMove(fromX, fromY, toX, toY, promoChar);
9855 currentMove = forwardMostMove;
9860 /* Load the nth game from the given file */
9862 LoadGameFromFile(filename, n, title, useList)
9866 /*Boolean*/ int useList;
9871 if (strcmp(filename, "-") == 0) {
9875 f = fopen(filename, "rb");
9877 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9878 DisplayError(buf, errno);
9882 if (fseek(f, 0, 0) == -1) {
9883 /* f is not seekable; probably a pipe */
9886 if (useList && n == 0) {
9887 int error = GameListBuild(f);
9889 DisplayError(_("Cannot build game list"), error);
9890 } else if (!ListEmpty(&gameList) &&
9891 ((ListGame *) gameList.tailPred)->number > 1) {
9892 GameListPopUp(f, title);
9899 return LoadGame(f, n, title, FALSE);
9904 MakeRegisteredMove()
9906 int fromX, fromY, toX, toY;
9908 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9909 switch (cmailMoveType[lastLoadGameNumber - 1]) {
9912 if (appData.debugMode)
9913 fprintf(debugFP, "Restoring %s for game %d\n",
9914 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
9916 thinkOutput[0] = NULLCHAR;
9917 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
9918 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
9919 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
9920 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
9921 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
9922 promoChar = cmailMove[lastLoadGameNumber - 1][4];
9923 MakeMove(fromX, fromY, toX, toY, promoChar);
9924 ShowMove(fromX, fromY, toX, toY);
9926 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9933 if (WhiteOnMove(currentMove)) {
9934 GameEnds(BlackWins, "Black mates", GE_PLAYER);
9936 GameEnds(WhiteWins, "White mates", GE_PLAYER);
9941 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
9948 if (WhiteOnMove(currentMove)) {
9949 GameEnds(BlackWins, "White resigns", GE_PLAYER);
9951 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
9956 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
9967 /* Wrapper around LoadGame for use when a Cmail message is loaded */
9969 CmailLoadGame(f, gameNumber, title, useList)
9977 if (gameNumber > nCmailGames) {
9978 DisplayError(_("No more games in this message"), 0);
9981 if (f == lastLoadGameFP) {
9982 int offset = gameNumber - lastLoadGameNumber;
9984 cmailMsg[0] = NULLCHAR;
9985 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9986 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
9987 nCmailMovesRegistered--;
9989 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
9990 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
9991 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
9994 if (! RegisterMove()) return FALSE;
9998 retVal = LoadGame(f, gameNumber, title, useList);
10000 /* Make move registered during previous look at this game, if any */
10001 MakeRegisteredMove();
10003 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
10004 commentList[currentMove]
10005 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
10006 DisplayComment(currentMove - 1, commentList[currentMove]);
10012 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
10017 int gameNumber = lastLoadGameNumber + offset;
10018 if (lastLoadGameFP == NULL) {
10019 DisplayError(_("No game has been loaded yet"), 0);
10022 if (gameNumber <= 0) {
10023 DisplayError(_("Can't back up any further"), 0);
10026 if (cmailMsgLoaded) {
10027 return CmailLoadGame(lastLoadGameFP, gameNumber,
10028 lastLoadGameTitle, lastLoadGameUseList);
10030 return LoadGame(lastLoadGameFP, gameNumber,
10031 lastLoadGameTitle, lastLoadGameUseList);
10037 /* Load the nth game from open file f */
10039 LoadGame(f, gameNumber, title, useList)
10047 int gn = gameNumber;
10048 ListGame *lg = NULL;
10049 int numPGNTags = 0;
10051 GameMode oldGameMode;
10052 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
10054 if (appData.debugMode)
10055 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
10057 if (gameMode == Training )
10058 SetTrainingModeOff();
10060 oldGameMode = gameMode;
10061 if (gameMode != BeginningOfGame) {
10062 Reset(FALSE, TRUE);
10066 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
10067 fclose(lastLoadGameFP);
10071 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
10074 fseek(f, lg->offset, 0);
10075 GameListHighlight(gameNumber);
10079 DisplayError(_("Game number out of range"), 0);
10084 if (fseek(f, 0, 0) == -1) {
10085 if (f == lastLoadGameFP ?
10086 gameNumber == lastLoadGameNumber + 1 :
10090 DisplayError(_("Can't seek on game file"), 0);
10095 lastLoadGameFP = f;
10096 lastLoadGameNumber = gameNumber;
10097 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
10098 lastLoadGameUseList = useList;
10102 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
10103 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
10104 lg->gameInfo.black);
10106 } else if (*title != NULLCHAR) {
10107 if (gameNumber > 1) {
10108 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
10111 DisplayTitle(title);
10115 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
10116 gameMode = PlayFromGameFile;
10120 currentMove = forwardMostMove = backwardMostMove = 0;
10121 CopyBoard(boards[0], initialPosition);
10125 * Skip the first gn-1 games in the file.
10126 * Also skip over anything that precedes an identifiable
10127 * start of game marker, to avoid being confused by
10128 * garbage at the start of the file. Currently
10129 * recognized start of game markers are the move number "1",
10130 * the pattern "gnuchess .* game", the pattern
10131 * "^[#;%] [^ ]* game file", and a PGN tag block.
10132 * A game that starts with one of the latter two patterns
10133 * will also have a move number 1, possibly
10134 * following a position diagram.
10135 * 5-4-02: Let's try being more lenient and allowing a game to
10136 * start with an unnumbered move. Does that break anything?
10138 cm = lastLoadGameStart = EndOfFile;
10140 yyboardindex = forwardMostMove;
10141 cm = (ChessMove) yylex();
10144 if (cmailMsgLoaded) {
10145 nCmailGames = CMAIL_MAX_GAMES - gn;
10148 DisplayError(_("Game not found in file"), 0);
10155 lastLoadGameStart = cm;
10158 case MoveNumberOne:
10159 switch (lastLoadGameStart) {
10164 case MoveNumberOne:
10166 gn--; /* count this game */
10167 lastLoadGameStart = cm;
10176 switch (lastLoadGameStart) {
10179 case MoveNumberOne:
10181 gn--; /* count this game */
10182 lastLoadGameStart = cm;
10185 lastLoadGameStart = cm; /* game counted already */
10193 yyboardindex = forwardMostMove;
10194 cm = (ChessMove) yylex();
10195 } while (cm == PGNTag || cm == Comment);
10202 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
10203 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
10204 != CMAIL_OLD_RESULT) {
10206 cmailResult[ CMAIL_MAX_GAMES
10207 - gn - 1] = CMAIL_OLD_RESULT;
10213 /* Only a NormalMove can be at the start of a game
10214 * without a position diagram. */
10215 if (lastLoadGameStart == EndOfFile ) {
10217 lastLoadGameStart = MoveNumberOne;
10226 if (appData.debugMode)
10227 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
10229 if (cm == XBoardGame) {
10230 /* Skip any header junk before position diagram and/or move 1 */
10232 yyboardindex = forwardMostMove;
10233 cm = (ChessMove) yylex();
10235 if (cm == EndOfFile ||
10236 cm == GNUChessGame || cm == XBoardGame) {
10237 /* Empty game; pretend end-of-file and handle later */
10242 if (cm == MoveNumberOne || cm == PositionDiagram ||
10243 cm == PGNTag || cm == Comment)
10246 } else if (cm == GNUChessGame) {
10247 if (gameInfo.event != NULL) {
10248 free(gameInfo.event);
10250 gameInfo.event = StrSave(yy_text);
10253 startedFromSetupPosition = FALSE;
10254 while (cm == PGNTag) {
10255 if (appData.debugMode)
10256 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
10257 err = ParsePGNTag(yy_text, &gameInfo);
10258 if (!err) numPGNTags++;
10260 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
10261 if(gameInfo.variant != oldVariant) {
10262 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
10263 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
10264 InitPosition(TRUE);
10265 oldVariant = gameInfo.variant;
10266 if (appData.debugMode)
10267 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
10271 if (gameInfo.fen != NULL) {
10272 Board initial_position;
10273 startedFromSetupPosition = TRUE;
10274 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
10276 DisplayError(_("Bad FEN position in file"), 0);
10279 CopyBoard(boards[0], initial_position);
10280 if (blackPlaysFirst) {
10281 currentMove = forwardMostMove = backwardMostMove = 1;
10282 CopyBoard(boards[1], initial_position);
10283 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10284 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10285 timeRemaining[0][1] = whiteTimeRemaining;
10286 timeRemaining[1][1] = blackTimeRemaining;
10287 if (commentList[0] != NULL) {
10288 commentList[1] = commentList[0];
10289 commentList[0] = NULL;
10292 currentMove = forwardMostMove = backwardMostMove = 0;
10294 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
10296 initialRulePlies = FENrulePlies;
10297 for( i=0; i< nrCastlingRights; i++ )
10298 initialRights[i] = initial_position[CASTLING][i];
10300 yyboardindex = forwardMostMove;
10301 free(gameInfo.fen);
10302 gameInfo.fen = NULL;
10305 yyboardindex = forwardMostMove;
10306 cm = (ChessMove) yylex();
10308 /* Handle comments interspersed among the tags */
10309 while (cm == Comment) {
10311 if (appData.debugMode)
10312 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10314 AppendComment(currentMove, p, FALSE);
10315 yyboardindex = forwardMostMove;
10316 cm = (ChessMove) yylex();
10320 /* don't rely on existence of Event tag since if game was
10321 * pasted from clipboard the Event tag may not exist
10323 if (numPGNTags > 0){
10325 if (gameInfo.variant == VariantNormal) {
10326 VariantClass v = StringToVariant(gameInfo.event);
10327 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
10328 if(v < VariantShogi) gameInfo.variant = v;
10331 if( appData.autoDisplayTags ) {
10332 tags = PGNTags(&gameInfo);
10333 TagsPopUp(tags, CmailMsg());
10338 /* Make something up, but don't display it now */
10343 if (cm == PositionDiagram) {
10346 Board initial_position;
10348 if (appData.debugMode)
10349 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
10351 if (!startedFromSetupPosition) {
10353 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
10354 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
10364 initial_position[i][j++] = CharToPiece(*p);
10367 while (*p == ' ' || *p == '\t' ||
10368 *p == '\n' || *p == '\r') p++;
10370 if (strncmp(p, "black", strlen("black"))==0)
10371 blackPlaysFirst = TRUE;
10373 blackPlaysFirst = FALSE;
10374 startedFromSetupPosition = TRUE;
10376 CopyBoard(boards[0], initial_position);
10377 if (blackPlaysFirst) {
10378 currentMove = forwardMostMove = backwardMostMove = 1;
10379 CopyBoard(boards[1], initial_position);
10380 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10381 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10382 timeRemaining[0][1] = whiteTimeRemaining;
10383 timeRemaining[1][1] = blackTimeRemaining;
10384 if (commentList[0] != NULL) {
10385 commentList[1] = commentList[0];
10386 commentList[0] = NULL;
10389 currentMove = forwardMostMove = backwardMostMove = 0;
10392 yyboardindex = forwardMostMove;
10393 cm = (ChessMove) yylex();
10396 if (first.pr == NoProc) {
10397 StartChessProgram(&first);
10399 InitChessProgram(&first, FALSE);
10400 SendToProgram("force\n", &first);
10401 if (startedFromSetupPosition) {
10402 SendBoard(&first, forwardMostMove);
10403 if (appData.debugMode) {
10404 fprintf(debugFP, "Load Game\n");
10406 DisplayBothClocks();
10409 /* [HGM] server: flag to write setup moves in broadcast file as one */
10410 loadFlag = appData.suppressLoadMoves;
10412 while (cm == Comment) {
10414 if (appData.debugMode)
10415 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10417 AppendComment(currentMove, p, FALSE);
10418 yyboardindex = forwardMostMove;
10419 cm = (ChessMove) yylex();
10422 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
10423 cm == WhiteWins || cm == BlackWins ||
10424 cm == GameIsDrawn || cm == GameUnfinished) {
10425 DisplayMessage("", _("No moves in game"));
10426 if (cmailMsgLoaded) {
10427 if (appData.debugMode)
10428 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
10432 DrawPosition(FALSE, boards[currentMove]);
10433 DisplayBothClocks();
10434 gameMode = EditGame;
10441 // [HGM] PV info: routine tests if comment empty
10442 if (!matchMode && (pausing || appData.timeDelay != 0)) {
10443 DisplayComment(currentMove - 1, commentList[currentMove]);
10445 if (!matchMode && appData.timeDelay != 0)
10446 DrawPosition(FALSE, boards[currentMove]);
10448 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
10449 programStats.ok_to_send = 1;
10452 /* if the first token after the PGN tags is a move
10453 * and not move number 1, retrieve it from the parser
10455 if (cm != MoveNumberOne)
10456 LoadGameOneMove(cm);
10458 /* load the remaining moves from the file */
10459 while (LoadGameOneMove(EndOfFile)) {
10460 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10461 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10464 /* rewind to the start of the game */
10465 currentMove = backwardMostMove;
10467 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10469 if (oldGameMode == AnalyzeFile ||
10470 oldGameMode == AnalyzeMode) {
10471 AnalyzeFileEvent();
10474 if (matchMode || appData.timeDelay == 0) {
10476 gameMode = EditGame;
10478 } else if (appData.timeDelay > 0) {
10479 AutoPlayGameLoop();
10482 if (appData.debugMode)
10483 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
10485 loadFlag = 0; /* [HGM] true game starts */
10489 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
10491 ReloadPosition(offset)
10494 int positionNumber = lastLoadPositionNumber + offset;
10495 if (lastLoadPositionFP == NULL) {
10496 DisplayError(_("No position has been loaded yet"), 0);
10499 if (positionNumber <= 0) {
10500 DisplayError(_("Can't back up any further"), 0);
10503 return LoadPosition(lastLoadPositionFP, positionNumber,
10504 lastLoadPositionTitle);
10507 /* Load the nth position from the given file */
10509 LoadPositionFromFile(filename, n, title)
10517 if (strcmp(filename, "-") == 0) {
10518 return LoadPosition(stdin, n, "stdin");
10520 f = fopen(filename, "rb");
10522 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10523 DisplayError(buf, errno);
10526 return LoadPosition(f, n, title);
10531 /* Load the nth position from the given open file, and close it */
10533 LoadPosition(f, positionNumber, title)
10535 int positionNumber;
10538 char *p, line[MSG_SIZ];
10539 Board initial_position;
10540 int i, j, fenMode, pn;
10542 if (gameMode == Training )
10543 SetTrainingModeOff();
10545 if (gameMode != BeginningOfGame) {
10546 Reset(FALSE, TRUE);
10548 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
10549 fclose(lastLoadPositionFP);
10551 if (positionNumber == 0) positionNumber = 1;
10552 lastLoadPositionFP = f;
10553 lastLoadPositionNumber = positionNumber;
10554 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
10555 if (first.pr == NoProc) {
10556 StartChessProgram(&first);
10557 InitChessProgram(&first, FALSE);
10559 pn = positionNumber;
10560 if (positionNumber < 0) {
10561 /* Negative position number means to seek to that byte offset */
10562 if (fseek(f, -positionNumber, 0) == -1) {
10563 DisplayError(_("Can't seek on position file"), 0);
10568 if (fseek(f, 0, 0) == -1) {
10569 if (f == lastLoadPositionFP ?
10570 positionNumber == lastLoadPositionNumber + 1 :
10571 positionNumber == 1) {
10574 DisplayError(_("Can't seek on position file"), 0);
10579 /* See if this file is FEN or old-style xboard */
10580 if (fgets(line, MSG_SIZ, f) == NULL) {
10581 DisplayError(_("Position not found in file"), 0);
10584 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
10585 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
10588 if (fenMode || line[0] == '#') pn--;
10590 /* skip positions before number pn */
10591 if (fgets(line, MSG_SIZ, f) == NULL) {
10593 DisplayError(_("Position not found in file"), 0);
10596 if (fenMode || line[0] == '#') pn--;
10601 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
10602 DisplayError(_("Bad FEN position in file"), 0);
10606 (void) fgets(line, MSG_SIZ, f);
10607 (void) fgets(line, MSG_SIZ, f);
10609 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
10610 (void) fgets(line, MSG_SIZ, f);
10611 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
10614 initial_position[i][j++] = CharToPiece(*p);
10618 blackPlaysFirst = FALSE;
10620 (void) fgets(line, MSG_SIZ, f);
10621 if (strncmp(line, "black", strlen("black"))==0)
10622 blackPlaysFirst = TRUE;
10625 startedFromSetupPosition = TRUE;
10627 SendToProgram("force\n", &first);
10628 CopyBoard(boards[0], initial_position);
10629 if (blackPlaysFirst) {
10630 currentMove = forwardMostMove = backwardMostMove = 1;
10631 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10632 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10633 CopyBoard(boards[1], initial_position);
10634 DisplayMessage("", _("Black to play"));
10636 currentMove = forwardMostMove = backwardMostMove = 0;
10637 DisplayMessage("", _("White to play"));
10639 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
10640 SendBoard(&first, forwardMostMove);
10641 if (appData.debugMode) {
10643 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
10644 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
10645 fprintf(debugFP, "Load Position\n");
10648 if (positionNumber > 1) {
10649 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
10650 DisplayTitle(line);
10652 DisplayTitle(title);
10654 gameMode = EditGame;
10657 timeRemaining[0][1] = whiteTimeRemaining;
10658 timeRemaining[1][1] = blackTimeRemaining;
10659 DrawPosition(FALSE, boards[currentMove]);
10666 CopyPlayerNameIntoFileName(dest, src)
10669 while (*src != NULLCHAR && *src != ',') {
10674 *(*dest)++ = *src++;
10679 char *DefaultFileName(ext)
10682 static char def[MSG_SIZ];
10685 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
10687 CopyPlayerNameIntoFileName(&p, gameInfo.white);
10689 CopyPlayerNameIntoFileName(&p, gameInfo.black);
10691 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
10698 /* Save the current game to the given file */
10700 SaveGameToFile(filename, append)
10707 if (strcmp(filename, "-") == 0) {
10708 return SaveGame(stdout, 0, NULL);
10710 f = fopen(filename, append ? "a" : "w");
10712 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10713 DisplayError(buf, errno);
10716 return SaveGame(f, 0, NULL);
10725 static char buf[MSG_SIZ];
10728 p = strchr(str, ' ');
10729 if (p == NULL) return str;
10730 strncpy(buf, str, p - str);
10731 buf[p - str] = NULLCHAR;
10735 #define PGN_MAX_LINE 75
10737 #define PGN_SIDE_WHITE 0
10738 #define PGN_SIDE_BLACK 1
10741 static int FindFirstMoveOutOfBook( int side )
10745 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
10746 int index = backwardMostMove;
10747 int has_book_hit = 0;
10749 if( (index % 2) != side ) {
10753 while( index < forwardMostMove ) {
10754 /* Check to see if engine is in book */
10755 int depth = pvInfoList[index].depth;
10756 int score = pvInfoList[index].score;
10762 else if( score == 0 && depth == 63 ) {
10763 in_book = 1; /* Zappa */
10765 else if( score == 2 && depth == 99 ) {
10766 in_book = 1; /* Abrok */
10769 has_book_hit += in_book;
10785 void GetOutOfBookInfo( char * buf )
10789 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10791 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
10792 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
10796 if( oob[0] >= 0 || oob[1] >= 0 ) {
10797 for( i=0; i<2; i++ ) {
10801 if( i > 0 && oob[0] >= 0 ) {
10802 strcat( buf, " " );
10805 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
10806 sprintf( buf+strlen(buf), "%s%.2f",
10807 pvInfoList[idx].score >= 0 ? "+" : "",
10808 pvInfoList[idx].score / 100.0 );
10814 /* Save game in PGN style and close the file */
10819 int i, offset, linelen, newblock;
10823 int movelen, numlen, blank;
10824 char move_buffer[100]; /* [AS] Buffer for move+PV info */
10826 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10828 tm = time((time_t *) NULL);
10830 PrintPGNTags(f, &gameInfo);
10832 if (backwardMostMove > 0 || startedFromSetupPosition) {
10833 char *fen = PositionToFEN(backwardMostMove, NULL);
10834 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
10835 fprintf(f, "\n{--------------\n");
10836 PrintPosition(f, backwardMostMove);
10837 fprintf(f, "--------------}\n");
10841 /* [AS] Out of book annotation */
10842 if( appData.saveOutOfBookInfo ) {
10845 GetOutOfBookInfo( buf );
10847 if( buf[0] != '\0' ) {
10848 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
10855 i = backwardMostMove;
10859 while (i < forwardMostMove) {
10860 /* Print comments preceding this move */
10861 if (commentList[i] != NULL) {
10862 if (linelen > 0) fprintf(f, "\n");
10863 fprintf(f, "%s", commentList[i]);
10868 /* Format move number */
10870 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
10873 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
10875 numtext[0] = NULLCHAR;
10877 numlen = strlen(numtext);
10880 /* Print move number */
10881 blank = linelen > 0 && numlen > 0;
10882 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
10891 fprintf(f, "%s", numtext);
10895 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
10896 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
10899 blank = linelen > 0 && movelen > 0;
10900 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10909 fprintf(f, "%s", move_buffer);
10910 linelen += movelen;
10912 /* [AS] Add PV info if present */
10913 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
10914 /* [HGM] add time */
10915 char buf[MSG_SIZ]; int seconds;
10917 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
10923 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
10926 seconds = (seconds + 4)/10; // round to full seconds
10928 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
10930 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
10933 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
10934 pvInfoList[i].score >= 0 ? "+" : "",
10935 pvInfoList[i].score / 100.0,
10936 pvInfoList[i].depth,
10939 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
10941 /* Print score/depth */
10942 blank = linelen > 0 && movelen > 0;
10943 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10952 fprintf(f, "%s", move_buffer);
10953 linelen += movelen;
10959 /* Start a new line */
10960 if (linelen > 0) fprintf(f, "\n");
10962 /* Print comments after last move */
10963 if (commentList[i] != NULL) {
10964 fprintf(f, "%s\n", commentList[i]);
10968 if (gameInfo.resultDetails != NULL &&
10969 gameInfo.resultDetails[0] != NULLCHAR) {
10970 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
10971 PGNResult(gameInfo.result));
10973 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10977 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10981 /* Save game in old style and close the file */
10983 SaveGameOldStyle(f)
10989 tm = time((time_t *) NULL);
10991 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
10994 if (backwardMostMove > 0 || startedFromSetupPosition) {
10995 fprintf(f, "\n[--------------\n");
10996 PrintPosition(f, backwardMostMove);
10997 fprintf(f, "--------------]\n");
11002 i = backwardMostMove;
11003 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11005 while (i < forwardMostMove) {
11006 if (commentList[i] != NULL) {
11007 fprintf(f, "[%s]\n", commentList[i]);
11010 if ((i % 2) == 1) {
11011 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
11014 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
11016 if (commentList[i] != NULL) {
11020 if (i >= forwardMostMove) {
11024 fprintf(f, "%s\n", parseList[i]);
11029 if (commentList[i] != NULL) {
11030 fprintf(f, "[%s]\n", commentList[i]);
11033 /* This isn't really the old style, but it's close enough */
11034 if (gameInfo.resultDetails != NULL &&
11035 gameInfo.resultDetails[0] != NULLCHAR) {
11036 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
11037 gameInfo.resultDetails);
11039 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11046 /* Save the current game to open file f and close the file */
11048 SaveGame(f, dummy, dummy2)
11053 if (gameMode == EditPosition) EditPositionDone(TRUE);
11054 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11055 if (appData.oldSaveStyle)
11056 return SaveGameOldStyle(f);
11058 return SaveGamePGN(f);
11061 /* Save the current position to the given file */
11063 SavePositionToFile(filename)
11069 if (strcmp(filename, "-") == 0) {
11070 return SavePosition(stdout, 0, NULL);
11072 f = fopen(filename, "a");
11074 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11075 DisplayError(buf, errno);
11078 SavePosition(f, 0, NULL);
11084 /* Save the current position to the given open file and close the file */
11086 SavePosition(f, dummy, dummy2)
11094 if (gameMode == EditPosition) EditPositionDone(TRUE);
11095 if (appData.oldSaveStyle) {
11096 tm = time((time_t *) NULL);
11098 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
11100 fprintf(f, "[--------------\n");
11101 PrintPosition(f, currentMove);
11102 fprintf(f, "--------------]\n");
11104 fen = PositionToFEN(currentMove, NULL);
11105 fprintf(f, "%s\n", fen);
11113 ReloadCmailMsgEvent(unregister)
11117 static char *inFilename = NULL;
11118 static char *outFilename;
11120 struct stat inbuf, outbuf;
11123 /* Any registered moves are unregistered if unregister is set, */
11124 /* i.e. invoked by the signal handler */
11126 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11127 cmailMoveRegistered[i] = FALSE;
11128 if (cmailCommentList[i] != NULL) {
11129 free(cmailCommentList[i]);
11130 cmailCommentList[i] = NULL;
11133 nCmailMovesRegistered = 0;
11136 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11137 cmailResult[i] = CMAIL_NOT_RESULT;
11141 if (inFilename == NULL) {
11142 /* Because the filenames are static they only get malloced once */
11143 /* and they never get freed */
11144 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
11145 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
11147 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
11148 sprintf(outFilename, "%s.out", appData.cmailGameName);
11151 status = stat(outFilename, &outbuf);
11153 cmailMailedMove = FALSE;
11155 status = stat(inFilename, &inbuf);
11156 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
11159 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
11160 counts the games, notes how each one terminated, etc.
11162 It would be nice to remove this kludge and instead gather all
11163 the information while building the game list. (And to keep it
11164 in the game list nodes instead of having a bunch of fixed-size
11165 parallel arrays.) Note this will require getting each game's
11166 termination from the PGN tags, as the game list builder does
11167 not process the game moves. --mann
11169 cmailMsgLoaded = TRUE;
11170 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
11172 /* Load first game in the file or popup game menu */
11173 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
11175 #endif /* !WIN32 */
11183 char string[MSG_SIZ];
11185 if ( cmailMailedMove
11186 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
11187 return TRUE; /* Allow free viewing */
11190 /* Unregister move to ensure that we don't leave RegisterMove */
11191 /* with the move registered when the conditions for registering no */
11193 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11194 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11195 nCmailMovesRegistered --;
11197 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
11199 free(cmailCommentList[lastLoadGameNumber - 1]);
11200 cmailCommentList[lastLoadGameNumber - 1] = NULL;
11204 if (cmailOldMove == -1) {
11205 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
11209 if (currentMove > cmailOldMove + 1) {
11210 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
11214 if (currentMove < cmailOldMove) {
11215 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
11219 if (forwardMostMove > currentMove) {
11220 /* Silently truncate extra moves */
11224 if ( (currentMove == cmailOldMove + 1)
11225 || ( (currentMove == cmailOldMove)
11226 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
11227 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
11228 if (gameInfo.result != GameUnfinished) {
11229 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
11232 if (commentList[currentMove] != NULL) {
11233 cmailCommentList[lastLoadGameNumber - 1]
11234 = StrSave(commentList[currentMove]);
11236 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
11238 if (appData.debugMode)
11239 fprintf(debugFP, "Saving %s for game %d\n",
11240 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11242 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
11244 f = fopen(string, "w");
11245 if (appData.oldSaveStyle) {
11246 SaveGameOldStyle(f); /* also closes the file */
11248 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
11249 f = fopen(string, "w");
11250 SavePosition(f, 0, NULL); /* also closes the file */
11252 fprintf(f, "{--------------\n");
11253 PrintPosition(f, currentMove);
11254 fprintf(f, "--------------}\n\n");
11256 SaveGame(f, 0, NULL); /* also closes the file*/
11259 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
11260 nCmailMovesRegistered ++;
11261 } else if (nCmailGames == 1) {
11262 DisplayError(_("You have not made a move yet"), 0);
11273 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
11274 FILE *commandOutput;
11275 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
11276 int nBytes = 0; /* Suppress warnings on uninitialized variables */
11282 if (! cmailMsgLoaded) {
11283 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
11287 if (nCmailGames == nCmailResults) {
11288 DisplayError(_("No unfinished games"), 0);
11292 #if CMAIL_PROHIBIT_REMAIL
11293 if (cmailMailedMove) {
11294 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);
11295 DisplayError(msg, 0);
11300 if (! (cmailMailedMove || RegisterMove())) return;
11302 if ( cmailMailedMove
11303 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
11304 snprintf(string, MSG_SIZ, partCommandString,
11305 appData.debugMode ? " -v" : "", appData.cmailGameName);
11306 commandOutput = popen(string, "r");
11308 if (commandOutput == NULL) {
11309 DisplayError(_("Failed to invoke cmail"), 0);
11311 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
11312 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
11314 if (nBuffers > 1) {
11315 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
11316 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
11317 nBytes = MSG_SIZ - 1;
11319 (void) memcpy(msg, buffer, nBytes);
11321 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
11323 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
11324 cmailMailedMove = TRUE; /* Prevent >1 moves */
11327 for (i = 0; i < nCmailGames; i ++) {
11328 if (cmailResult[i] == CMAIL_NOT_RESULT) {
11333 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
11335 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
11337 appData.cmailGameName,
11339 LoadGameFromFile(buffer, 1, buffer, FALSE);
11340 cmailMsgLoaded = FALSE;
11344 DisplayInformation(msg);
11345 pclose(commandOutput);
11348 if ((*cmailMsg) != '\0') {
11349 DisplayInformation(cmailMsg);
11354 #endif /* !WIN32 */
11363 int prependComma = 0;
11365 char string[MSG_SIZ]; /* Space for game-list */
11368 if (!cmailMsgLoaded) return "";
11370 if (cmailMailedMove) {
11371 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
11373 /* Create a list of games left */
11374 snprintf(string, MSG_SIZ, "[");
11375 for (i = 0; i < nCmailGames; i ++) {
11376 if (! ( cmailMoveRegistered[i]
11377 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
11378 if (prependComma) {
11379 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
11381 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
11385 strcat(string, number);
11388 strcat(string, "]");
11390 if (nCmailMovesRegistered + nCmailResults == 0) {
11391 switch (nCmailGames) {
11393 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
11397 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
11401 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
11406 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
11408 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
11413 if (nCmailResults == nCmailGames) {
11414 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
11416 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
11421 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
11433 if (gameMode == Training)
11434 SetTrainingModeOff();
11437 cmailMsgLoaded = FALSE;
11438 if (appData.icsActive) {
11439 SendToICS(ics_prefix);
11440 SendToICS("refresh\n");
11450 /* Give up on clean exit */
11454 /* Keep trying for clean exit */
11458 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
11460 if (telnetISR != NULL) {
11461 RemoveInputSource(telnetISR);
11463 if (icsPR != NoProc) {
11464 DestroyChildProcess(icsPR, TRUE);
11467 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
11468 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
11470 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
11471 /* make sure this other one finishes before killing it! */
11472 if(endingGame) { int count = 0;
11473 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
11474 while(endingGame && count++ < 10) DoSleep(1);
11475 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
11478 /* Kill off chess programs */
11479 if (first.pr != NoProc) {
11482 DoSleep( appData.delayBeforeQuit );
11483 SendToProgram("quit\n", &first);
11484 DoSleep( appData.delayAfterQuit );
11485 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
11487 if (second.pr != NoProc) {
11488 DoSleep( appData.delayBeforeQuit );
11489 SendToProgram("quit\n", &second);
11490 DoSleep( appData.delayAfterQuit );
11491 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
11493 if (first.isr != NULL) {
11494 RemoveInputSource(first.isr);
11496 if (second.isr != NULL) {
11497 RemoveInputSource(second.isr);
11500 ShutDownFrontEnd();
11507 if (appData.debugMode)
11508 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
11512 if (gameMode == MachinePlaysWhite ||
11513 gameMode == MachinePlaysBlack) {
11516 DisplayBothClocks();
11518 if (gameMode == PlayFromGameFile) {
11519 if (appData.timeDelay >= 0)
11520 AutoPlayGameLoop();
11521 } else if (gameMode == IcsExamining && pauseExamInvalid) {
11522 Reset(FALSE, TRUE);
11523 SendToICS(ics_prefix);
11524 SendToICS("refresh\n");
11525 } else if (currentMove < forwardMostMove) {
11526 ForwardInner(forwardMostMove);
11528 pauseExamInvalid = FALSE;
11530 switch (gameMode) {
11534 pauseExamForwardMostMove = forwardMostMove;
11535 pauseExamInvalid = FALSE;
11538 case IcsPlayingWhite:
11539 case IcsPlayingBlack:
11543 case PlayFromGameFile:
11544 (void) StopLoadGameTimer();
11548 case BeginningOfGame:
11549 if (appData.icsActive) return;
11550 /* else fall through */
11551 case MachinePlaysWhite:
11552 case MachinePlaysBlack:
11553 case TwoMachinesPlay:
11554 if (forwardMostMove == 0)
11555 return; /* don't pause if no one has moved */
11556 if ((gameMode == MachinePlaysWhite &&
11557 !WhiteOnMove(forwardMostMove)) ||
11558 (gameMode == MachinePlaysBlack &&
11559 WhiteOnMove(forwardMostMove))) {
11572 char title[MSG_SIZ];
11574 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
11575 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
11577 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
11578 WhiteOnMove(currentMove - 1) ? " " : ".. ",
11579 parseList[currentMove - 1]);
11582 EditCommentPopUp(currentMove, title, commentList[currentMove]);
11589 char *tags = PGNTags(&gameInfo);
11590 EditTagsPopUp(tags);
11597 if (appData.noChessProgram || gameMode == AnalyzeMode)
11600 if (gameMode != AnalyzeFile) {
11601 if (!appData.icsEngineAnalyze) {
11603 if (gameMode != EditGame) return;
11605 ResurrectChessProgram();
11606 SendToProgram("analyze\n", &first);
11607 first.analyzing = TRUE;
11608 /*first.maybeThinking = TRUE;*/
11609 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11610 EngineOutputPopUp();
11612 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
11617 StartAnalysisClock();
11618 GetTimeMark(&lastNodeCountTime);
11625 if (appData.noChessProgram || gameMode == AnalyzeFile)
11628 if (gameMode != AnalyzeMode) {
11630 if (gameMode != EditGame) return;
11631 ResurrectChessProgram();
11632 SendToProgram("analyze\n", &first);
11633 first.analyzing = TRUE;
11634 /*first.maybeThinking = TRUE;*/
11635 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11636 EngineOutputPopUp();
11638 gameMode = AnalyzeFile;
11643 StartAnalysisClock();
11644 GetTimeMark(&lastNodeCountTime);
11649 MachineWhiteEvent()
11652 char *bookHit = NULL;
11654 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
11658 if (gameMode == PlayFromGameFile ||
11659 gameMode == TwoMachinesPlay ||
11660 gameMode == Training ||
11661 gameMode == AnalyzeMode ||
11662 gameMode == EndOfGame)
11665 if (gameMode == EditPosition)
11666 EditPositionDone(TRUE);
11668 if (!WhiteOnMove(currentMove)) {
11669 DisplayError(_("It is not White's turn"), 0);
11673 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11676 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11677 gameMode == AnalyzeFile)
11680 ResurrectChessProgram(); /* in case it isn't running */
11681 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
11682 gameMode = MachinePlaysWhite;
11685 gameMode = MachinePlaysWhite;
11689 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11691 if (first.sendName) {
11692 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
11693 SendToProgram(buf, &first);
11695 if (first.sendTime) {
11696 if (first.useColors) {
11697 SendToProgram("black\n", &first); /*gnu kludge*/
11699 SendTimeRemaining(&first, TRUE);
11701 if (first.useColors) {
11702 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
11704 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11705 SetMachineThinkingEnables();
11706 first.maybeThinking = TRUE;
11710 if (appData.autoFlipView && !flipView) {
11711 flipView = !flipView;
11712 DrawPosition(FALSE, NULL);
11713 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11716 if(bookHit) { // [HGM] book: simulate book reply
11717 static char bookMove[MSG_SIZ]; // a bit generous?
11719 programStats.nodes = programStats.depth = programStats.time =
11720 programStats.score = programStats.got_only_move = 0;
11721 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11723 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11724 strcat(bookMove, bookHit);
11725 HandleMachineMove(bookMove, &first);
11730 MachineBlackEvent()
11733 char *bookHit = NULL;
11735 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
11739 if (gameMode == PlayFromGameFile ||
11740 gameMode == TwoMachinesPlay ||
11741 gameMode == Training ||
11742 gameMode == AnalyzeMode ||
11743 gameMode == EndOfGame)
11746 if (gameMode == EditPosition)
11747 EditPositionDone(TRUE);
11749 if (WhiteOnMove(currentMove)) {
11750 DisplayError(_("It is not Black's turn"), 0);
11754 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11757 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11758 gameMode == AnalyzeFile)
11761 ResurrectChessProgram(); /* in case it isn't running */
11762 gameMode = MachinePlaysBlack;
11766 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11768 if (first.sendName) {
11769 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
11770 SendToProgram(buf, &first);
11772 if (first.sendTime) {
11773 if (first.useColors) {
11774 SendToProgram("white\n", &first); /*gnu kludge*/
11776 SendTimeRemaining(&first, FALSE);
11778 if (first.useColors) {
11779 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
11781 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11782 SetMachineThinkingEnables();
11783 first.maybeThinking = TRUE;
11786 if (appData.autoFlipView && flipView) {
11787 flipView = !flipView;
11788 DrawPosition(FALSE, NULL);
11789 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11791 if(bookHit) { // [HGM] book: simulate book reply
11792 static char bookMove[MSG_SIZ]; // a bit generous?
11794 programStats.nodes = programStats.depth = programStats.time =
11795 programStats.score = programStats.got_only_move = 0;
11796 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11798 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11799 strcat(bookMove, bookHit);
11800 HandleMachineMove(bookMove, &first);
11806 DisplayTwoMachinesTitle()
11809 if (appData.matchGames > 0) {
11810 if (first.twoMachinesColor[0] == 'w') {
11811 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
11812 gameInfo.white, gameInfo.black,
11813 first.matchWins, second.matchWins,
11814 matchGame - 1 - (first.matchWins + second.matchWins));
11816 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
11817 gameInfo.white, gameInfo.black,
11818 second.matchWins, first.matchWins,
11819 matchGame - 1 - (first.matchWins + second.matchWins));
11822 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11828 TwoMachinesEvent P((void))
11832 ChessProgramState *onmove;
11833 char *bookHit = NULL;
11835 if (appData.noChessProgram) return;
11837 switch (gameMode) {
11838 case TwoMachinesPlay:
11840 case MachinePlaysWhite:
11841 case MachinePlaysBlack:
11842 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11843 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11847 case BeginningOfGame:
11848 case PlayFromGameFile:
11851 if (gameMode != EditGame) return;
11854 EditPositionDone(TRUE);
11865 // forwardMostMove = currentMove;
11866 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
11867 ResurrectChessProgram(); /* in case first program isn't running */
11869 if (second.pr == NULL) {
11870 StartChessProgram(&second);
11871 if (second.protocolVersion == 1) {
11872 TwoMachinesEventIfReady();
11874 /* kludge: allow timeout for initial "feature" command */
11876 DisplayMessage("", _("Starting second chess program"));
11877 ScheduleDelayedEvent(TwoMachinesEventIfReady, FEATURE_TIMEOUT);
11881 DisplayMessage("", "");
11882 InitChessProgram(&second, FALSE);
11883 SendToProgram("force\n", &second);
11884 if (startedFromSetupPosition) {
11885 SendBoard(&second, backwardMostMove);
11886 if (appData.debugMode) {
11887 fprintf(debugFP, "Two Machines\n");
11890 for (i = backwardMostMove; i < forwardMostMove; i++) {
11891 SendMoveToProgram(i, &second);
11894 gameMode = TwoMachinesPlay;
11898 DisplayTwoMachinesTitle();
11900 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
11906 SendToProgram(first.computerString, &first);
11907 if (first.sendName) {
11908 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
11909 SendToProgram(buf, &first);
11911 SendToProgram(second.computerString, &second);
11912 if (second.sendName) {
11913 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
11914 SendToProgram(buf, &second);
11918 if (!first.sendTime || !second.sendTime) {
11919 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11920 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11922 if (onmove->sendTime) {
11923 if (onmove->useColors) {
11924 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
11926 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
11928 if (onmove->useColors) {
11929 SendToProgram(onmove->twoMachinesColor, onmove);
11931 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
11932 // SendToProgram("go\n", onmove);
11933 onmove->maybeThinking = TRUE;
11934 SetMachineThinkingEnables();
11938 if(bookHit) { // [HGM] book: simulate book reply
11939 static char bookMove[MSG_SIZ]; // a bit generous?
11941 programStats.nodes = programStats.depth = programStats.time =
11942 programStats.score = programStats.got_only_move = 0;
11943 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11945 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11946 strcat(bookMove, bookHit);
11947 savedMessage = bookMove; // args for deferred call
11948 savedState = onmove;
11949 ScheduleDelayedEvent(DeferredBookMove, 1);
11956 if (gameMode == Training) {
11957 SetTrainingModeOff();
11958 gameMode = PlayFromGameFile;
11959 DisplayMessage("", _("Training mode off"));
11961 gameMode = Training;
11962 animateTraining = appData.animate;
11964 /* make sure we are not already at the end of the game */
11965 if (currentMove < forwardMostMove) {
11966 SetTrainingModeOn();
11967 DisplayMessage("", _("Training mode on"));
11969 gameMode = PlayFromGameFile;
11970 DisplayError(_("Already at end of game"), 0);
11979 if (!appData.icsActive) return;
11980 switch (gameMode) {
11981 case IcsPlayingWhite:
11982 case IcsPlayingBlack:
11985 case BeginningOfGame:
11993 EditPositionDone(TRUE);
12006 gameMode = IcsIdle;
12017 switch (gameMode) {
12019 SetTrainingModeOff();
12021 case MachinePlaysWhite:
12022 case MachinePlaysBlack:
12023 case BeginningOfGame:
12024 SendToProgram("force\n", &first);
12025 SetUserThinkingEnables();
12027 case PlayFromGameFile:
12028 (void) StopLoadGameTimer();
12029 if (gameFileFP != NULL) {
12034 EditPositionDone(TRUE);
12039 SendToProgram("force\n", &first);
12041 case TwoMachinesPlay:
12042 GameEnds(EndOfFile, NULL, GE_PLAYER);
12043 ResurrectChessProgram();
12044 SetUserThinkingEnables();
12047 ResurrectChessProgram();
12049 case IcsPlayingBlack:
12050 case IcsPlayingWhite:
12051 DisplayError(_("Warning: You are still playing a game"), 0);
12054 DisplayError(_("Warning: You are still observing a game"), 0);
12057 DisplayError(_("Warning: You are still examining a game"), 0);
12068 first.offeredDraw = second.offeredDraw = 0;
12070 if (gameMode == PlayFromGameFile) {
12071 whiteTimeRemaining = timeRemaining[0][currentMove];
12072 blackTimeRemaining = timeRemaining[1][currentMove];
12076 if (gameMode == MachinePlaysWhite ||
12077 gameMode == MachinePlaysBlack ||
12078 gameMode == TwoMachinesPlay ||
12079 gameMode == EndOfGame) {
12080 i = forwardMostMove;
12081 while (i > currentMove) {
12082 SendToProgram("undo\n", &first);
12085 whiteTimeRemaining = timeRemaining[0][currentMove];
12086 blackTimeRemaining = timeRemaining[1][currentMove];
12087 DisplayBothClocks();
12088 if (whiteFlag || blackFlag) {
12089 whiteFlag = blackFlag = 0;
12094 gameMode = EditGame;
12101 EditPositionEvent()
12103 if (gameMode == EditPosition) {
12109 if (gameMode != EditGame) return;
12111 gameMode = EditPosition;
12114 if (currentMove > 0)
12115 CopyBoard(boards[0], boards[currentMove]);
12117 blackPlaysFirst = !WhiteOnMove(currentMove);
12119 currentMove = forwardMostMove = backwardMostMove = 0;
12120 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12127 /* [DM] icsEngineAnalyze - possible call from other functions */
12128 if (appData.icsEngineAnalyze) {
12129 appData.icsEngineAnalyze = FALSE;
12131 DisplayMessage("",_("Close ICS engine analyze..."));
12133 if (first.analysisSupport && first.analyzing) {
12134 SendToProgram("exit\n", &first);
12135 first.analyzing = FALSE;
12137 thinkOutput[0] = NULLCHAR;
12141 EditPositionDone(Boolean fakeRights)
12143 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
12145 startedFromSetupPosition = TRUE;
12146 InitChessProgram(&first, FALSE);
12147 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
12148 boards[0][EP_STATUS] = EP_NONE;
12149 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
12150 if(boards[0][0][BOARD_WIDTH>>1] == king) {
12151 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
12152 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
12153 } else boards[0][CASTLING][2] = NoRights;
12154 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
12155 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
12156 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
12157 } else boards[0][CASTLING][5] = NoRights;
12159 SendToProgram("force\n", &first);
12160 if (blackPlaysFirst) {
12161 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12162 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12163 currentMove = forwardMostMove = backwardMostMove = 1;
12164 CopyBoard(boards[1], boards[0]);
12166 currentMove = forwardMostMove = backwardMostMove = 0;
12168 SendBoard(&first, forwardMostMove);
12169 if (appData.debugMode) {
12170 fprintf(debugFP, "EditPosDone\n");
12173 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12174 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12175 gameMode = EditGame;
12177 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12178 ClearHighlights(); /* [AS] */
12181 /* Pause for `ms' milliseconds */
12182 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12192 } while (SubtractTimeMarks(&m2, &m1) < ms);
12195 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12197 SendMultiLineToICS(buf)
12200 char temp[MSG_SIZ+1], *p;
12207 strncpy(temp, buf, len);
12212 if (*p == '\n' || *p == '\r')
12217 strcat(temp, "\n");
12219 SendToPlayer(temp, strlen(temp));
12223 SetWhiteToPlayEvent()
12225 if (gameMode == EditPosition) {
12226 blackPlaysFirst = FALSE;
12227 DisplayBothClocks(); /* works because currentMove is 0 */
12228 } else if (gameMode == IcsExamining) {
12229 SendToICS(ics_prefix);
12230 SendToICS("tomove white\n");
12235 SetBlackToPlayEvent()
12237 if (gameMode == EditPosition) {
12238 blackPlaysFirst = TRUE;
12239 currentMove = 1; /* kludge */
12240 DisplayBothClocks();
12242 } else if (gameMode == IcsExamining) {
12243 SendToICS(ics_prefix);
12244 SendToICS("tomove black\n");
12249 EditPositionMenuEvent(selection, x, y)
12250 ChessSquare selection;
12254 ChessSquare piece = boards[0][y][x];
12256 if (gameMode != EditPosition && gameMode != IcsExamining) return;
12258 switch (selection) {
12260 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
12261 SendToICS(ics_prefix);
12262 SendToICS("bsetup clear\n");
12263 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
12264 SendToICS(ics_prefix);
12265 SendToICS("clearboard\n");
12267 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
12268 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
12269 for (y = 0; y < BOARD_HEIGHT; y++) {
12270 if (gameMode == IcsExamining) {
12271 if (boards[currentMove][y][x] != EmptySquare) {
12272 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
12277 boards[0][y][x] = p;
12282 if (gameMode == EditPosition) {
12283 DrawPosition(FALSE, boards[0]);
12288 SetWhiteToPlayEvent();
12292 SetBlackToPlayEvent();
12296 if (gameMode == IcsExamining) {
12297 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12298 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
12301 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12302 if(x == BOARD_LEFT-2) {
12303 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
12304 boards[0][y][1] = 0;
12306 if(x == BOARD_RGHT+1) {
12307 if(y >= gameInfo.holdingsSize) break;
12308 boards[0][y][BOARD_WIDTH-2] = 0;
12311 boards[0][y][x] = EmptySquare;
12312 DrawPosition(FALSE, boards[0]);
12317 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
12318 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
12319 selection = (ChessSquare) (PROMOTED piece);
12320 } else if(piece == EmptySquare) selection = WhiteSilver;
12321 else selection = (ChessSquare)((int)piece - 1);
12325 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
12326 piece > (int)BlackMan && piece <= (int)BlackKing ) {
12327 selection = (ChessSquare) (DEMOTED piece);
12328 } else if(piece == EmptySquare) selection = BlackSilver;
12329 else selection = (ChessSquare)((int)piece + 1);
12334 if(gameInfo.variant == VariantShatranj ||
12335 gameInfo.variant == VariantXiangqi ||
12336 gameInfo.variant == VariantCourier ||
12337 gameInfo.variant == VariantMakruk )
12338 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
12343 if(gameInfo.variant == VariantXiangqi)
12344 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
12345 if(gameInfo.variant == VariantKnightmate)
12346 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
12349 if (gameMode == IcsExamining) {
12350 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12351 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
12352 PieceToChar(selection), AAA + x, ONE + y);
12355 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12357 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
12358 n = PieceToNumber(selection - BlackPawn);
12359 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
12360 boards[0][BOARD_HEIGHT-1-n][0] = selection;
12361 boards[0][BOARD_HEIGHT-1-n][1]++;
12363 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
12364 n = PieceToNumber(selection);
12365 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
12366 boards[0][n][BOARD_WIDTH-1] = selection;
12367 boards[0][n][BOARD_WIDTH-2]++;
12370 boards[0][y][x] = selection;
12371 DrawPosition(TRUE, boards[0]);
12379 DropMenuEvent(selection, x, y)
12380 ChessSquare selection;
12383 ChessMove moveType;
12385 switch (gameMode) {
12386 case IcsPlayingWhite:
12387 case MachinePlaysBlack:
12388 if (!WhiteOnMove(currentMove)) {
12389 DisplayMoveError(_("It is Black's turn"));
12392 moveType = WhiteDrop;
12394 case IcsPlayingBlack:
12395 case MachinePlaysWhite:
12396 if (WhiteOnMove(currentMove)) {
12397 DisplayMoveError(_("It is White's turn"));
12400 moveType = BlackDrop;
12403 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
12409 if (moveType == BlackDrop && selection < BlackPawn) {
12410 selection = (ChessSquare) ((int) selection
12411 + (int) BlackPawn - (int) WhitePawn);
12413 if (boards[currentMove][y][x] != EmptySquare) {
12414 DisplayMoveError(_("That square is occupied"));
12418 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
12424 /* Accept a pending offer of any kind from opponent */
12426 if (appData.icsActive) {
12427 SendToICS(ics_prefix);
12428 SendToICS("accept\n");
12429 } else if (cmailMsgLoaded) {
12430 if (currentMove == cmailOldMove &&
12431 commentList[cmailOldMove] != NULL &&
12432 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12433 "Black offers a draw" : "White offers a draw")) {
12435 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12436 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12438 DisplayError(_("There is no pending offer on this move"), 0);
12439 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12442 /* Not used for offers from chess program */
12449 /* Decline a pending offer of any kind from opponent */
12451 if (appData.icsActive) {
12452 SendToICS(ics_prefix);
12453 SendToICS("decline\n");
12454 } else if (cmailMsgLoaded) {
12455 if (currentMove == cmailOldMove &&
12456 commentList[cmailOldMove] != NULL &&
12457 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12458 "Black offers a draw" : "White offers a draw")) {
12460 AppendComment(cmailOldMove, "Draw declined", TRUE);
12461 DisplayComment(cmailOldMove - 1, "Draw declined");
12464 DisplayError(_("There is no pending offer on this move"), 0);
12467 /* Not used for offers from chess program */
12474 /* Issue ICS rematch command */
12475 if (appData.icsActive) {
12476 SendToICS(ics_prefix);
12477 SendToICS("rematch\n");
12484 /* Call your opponent's flag (claim a win on time) */
12485 if (appData.icsActive) {
12486 SendToICS(ics_prefix);
12487 SendToICS("flag\n");
12489 switch (gameMode) {
12492 case MachinePlaysWhite:
12495 GameEnds(GameIsDrawn, "Both players ran out of time",
12498 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
12500 DisplayError(_("Your opponent is not out of time"), 0);
12503 case MachinePlaysBlack:
12506 GameEnds(GameIsDrawn, "Both players ran out of time",
12509 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
12511 DisplayError(_("Your opponent is not out of time"), 0);
12521 /* Offer draw or accept pending draw offer from opponent */
12523 if (appData.icsActive) {
12524 /* Note: tournament rules require draw offers to be
12525 made after you make your move but before you punch
12526 your clock. Currently ICS doesn't let you do that;
12527 instead, you immediately punch your clock after making
12528 a move, but you can offer a draw at any time. */
12530 SendToICS(ics_prefix);
12531 SendToICS("draw\n");
12532 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
12533 } else if (cmailMsgLoaded) {
12534 if (currentMove == cmailOldMove &&
12535 commentList[cmailOldMove] != NULL &&
12536 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12537 "Black offers a draw" : "White offers a draw")) {
12538 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12539 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12540 } else if (currentMove == cmailOldMove + 1) {
12541 char *offer = WhiteOnMove(cmailOldMove) ?
12542 "White offers a draw" : "Black offers a draw";
12543 AppendComment(currentMove, offer, TRUE);
12544 DisplayComment(currentMove - 1, offer);
12545 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
12547 DisplayError(_("You must make your move before offering a draw"), 0);
12548 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12550 } else if (first.offeredDraw) {
12551 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
12553 if (first.sendDrawOffers) {
12554 SendToProgram("draw\n", &first);
12555 userOfferedDraw = TRUE;
12563 /* Offer Adjourn or accept pending Adjourn offer from opponent */
12565 if (appData.icsActive) {
12566 SendToICS(ics_prefix);
12567 SendToICS("adjourn\n");
12569 /* Currently GNU Chess doesn't offer or accept Adjourns */
12577 /* Offer Abort or accept pending Abort offer from opponent */
12579 if (appData.icsActive) {
12580 SendToICS(ics_prefix);
12581 SendToICS("abort\n");
12583 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
12590 /* Resign. You can do this even if it's not your turn. */
12592 if (appData.icsActive) {
12593 SendToICS(ics_prefix);
12594 SendToICS("resign\n");
12596 switch (gameMode) {
12597 case MachinePlaysWhite:
12598 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12600 case MachinePlaysBlack:
12601 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12604 if (cmailMsgLoaded) {
12606 if (WhiteOnMove(cmailOldMove)) {
12607 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12609 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12611 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
12622 StopObservingEvent()
12624 /* Stop observing current games */
12625 SendToICS(ics_prefix);
12626 SendToICS("unobserve\n");
12630 StopExaminingEvent()
12632 /* Stop observing current game */
12633 SendToICS(ics_prefix);
12634 SendToICS("unexamine\n");
12638 ForwardInner(target)
12643 if (appData.debugMode)
12644 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
12645 target, currentMove, forwardMostMove);
12647 if (gameMode == EditPosition)
12650 if (gameMode == PlayFromGameFile && !pausing)
12653 if (gameMode == IcsExamining && pausing)
12654 limit = pauseExamForwardMostMove;
12656 limit = forwardMostMove;
12658 if (target > limit) target = limit;
12660 if (target > 0 && moveList[target - 1][0]) {
12661 int fromX, fromY, toX, toY;
12662 toX = moveList[target - 1][2] - AAA;
12663 toY = moveList[target - 1][3] - ONE;
12664 if (moveList[target - 1][1] == '@') {
12665 if (appData.highlightLastMove) {
12666 SetHighlights(-1, -1, toX, toY);
12669 fromX = moveList[target - 1][0] - AAA;
12670 fromY = moveList[target - 1][1] - ONE;
12671 if (target == currentMove + 1) {
12672 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12674 if (appData.highlightLastMove) {
12675 SetHighlights(fromX, fromY, toX, toY);
12679 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12680 gameMode == Training || gameMode == PlayFromGameFile ||
12681 gameMode == AnalyzeFile) {
12682 while (currentMove < target) {
12683 SendMoveToProgram(currentMove++, &first);
12686 currentMove = target;
12689 if (gameMode == EditGame || gameMode == EndOfGame) {
12690 whiteTimeRemaining = timeRemaining[0][currentMove];
12691 blackTimeRemaining = timeRemaining[1][currentMove];
12693 DisplayBothClocks();
12694 DisplayMove(currentMove - 1);
12695 DrawPosition(FALSE, boards[currentMove]);
12696 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12697 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
12698 DisplayComment(currentMove - 1, commentList[currentMove]);
12706 if (gameMode == IcsExamining && !pausing) {
12707 SendToICS(ics_prefix);
12708 SendToICS("forward\n");
12710 ForwardInner(currentMove + 1);
12717 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12718 /* to optimze, we temporarily turn off analysis mode while we feed
12719 * the remaining moves to the engine. Otherwise we get analysis output
12722 if (first.analysisSupport) {
12723 SendToProgram("exit\nforce\n", &first);
12724 first.analyzing = FALSE;
12728 if (gameMode == IcsExamining && !pausing) {
12729 SendToICS(ics_prefix);
12730 SendToICS("forward 999999\n");
12732 ForwardInner(forwardMostMove);
12735 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12736 /* we have fed all the moves, so reactivate analysis mode */
12737 SendToProgram("analyze\n", &first);
12738 first.analyzing = TRUE;
12739 /*first.maybeThinking = TRUE;*/
12740 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12745 BackwardInner(target)
12748 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
12750 if (appData.debugMode)
12751 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
12752 target, currentMove, forwardMostMove);
12754 if (gameMode == EditPosition) return;
12755 if (currentMove <= backwardMostMove) {
12757 DrawPosition(full_redraw, boards[currentMove]);
12760 if (gameMode == PlayFromGameFile && !pausing)
12763 if (moveList[target][0]) {
12764 int fromX, fromY, toX, toY;
12765 toX = moveList[target][2] - AAA;
12766 toY = moveList[target][3] - ONE;
12767 if (moveList[target][1] == '@') {
12768 if (appData.highlightLastMove) {
12769 SetHighlights(-1, -1, toX, toY);
12772 fromX = moveList[target][0] - AAA;
12773 fromY = moveList[target][1] - ONE;
12774 if (target == currentMove - 1) {
12775 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
12777 if (appData.highlightLastMove) {
12778 SetHighlights(fromX, fromY, toX, toY);
12782 if (gameMode == EditGame || gameMode==AnalyzeMode ||
12783 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
12784 while (currentMove > target) {
12785 SendToProgram("undo\n", &first);
12789 currentMove = target;
12792 if (gameMode == EditGame || gameMode == EndOfGame) {
12793 whiteTimeRemaining = timeRemaining[0][currentMove];
12794 blackTimeRemaining = timeRemaining[1][currentMove];
12796 DisplayBothClocks();
12797 DisplayMove(currentMove - 1);
12798 DrawPosition(full_redraw, boards[currentMove]);
12799 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12800 // [HGM] PV info: routine tests if comment empty
12801 DisplayComment(currentMove - 1, commentList[currentMove]);
12807 if (gameMode == IcsExamining && !pausing) {
12808 SendToICS(ics_prefix);
12809 SendToICS("backward\n");
12811 BackwardInner(currentMove - 1);
12818 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12819 /* to optimize, we temporarily turn off analysis mode while we undo
12820 * all the moves. Otherwise we get analysis output after each undo.
12822 if (first.analysisSupport) {
12823 SendToProgram("exit\nforce\n", &first);
12824 first.analyzing = FALSE;
12828 if (gameMode == IcsExamining && !pausing) {
12829 SendToICS(ics_prefix);
12830 SendToICS("backward 999999\n");
12832 BackwardInner(backwardMostMove);
12835 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12836 /* we have fed all the moves, so reactivate analysis mode */
12837 SendToProgram("analyze\n", &first);
12838 first.analyzing = TRUE;
12839 /*first.maybeThinking = TRUE;*/
12840 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12847 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
12848 if (to >= forwardMostMove) to = forwardMostMove;
12849 if (to <= backwardMostMove) to = backwardMostMove;
12850 if (to < currentMove) {
12858 RevertEvent(Boolean annotate)
12860 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
12863 if (gameMode != IcsExamining) {
12864 DisplayError(_("You are not examining a game"), 0);
12868 DisplayError(_("You can't revert while pausing"), 0);
12871 SendToICS(ics_prefix);
12872 SendToICS("revert\n");
12878 switch (gameMode) {
12879 case MachinePlaysWhite:
12880 case MachinePlaysBlack:
12881 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12882 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12885 if (forwardMostMove < 2) return;
12886 currentMove = forwardMostMove = forwardMostMove - 2;
12887 whiteTimeRemaining = timeRemaining[0][currentMove];
12888 blackTimeRemaining = timeRemaining[1][currentMove];
12889 DisplayBothClocks();
12890 DisplayMove(currentMove - 1);
12891 ClearHighlights();/*!! could figure this out*/
12892 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
12893 SendToProgram("remove\n", &first);
12894 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
12897 case BeginningOfGame:
12901 case IcsPlayingWhite:
12902 case IcsPlayingBlack:
12903 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
12904 SendToICS(ics_prefix);
12905 SendToICS("takeback 2\n");
12907 SendToICS(ics_prefix);
12908 SendToICS("takeback 1\n");
12917 ChessProgramState *cps;
12919 switch (gameMode) {
12920 case MachinePlaysWhite:
12921 if (!WhiteOnMove(forwardMostMove)) {
12922 DisplayError(_("It is your turn"), 0);
12927 case MachinePlaysBlack:
12928 if (WhiteOnMove(forwardMostMove)) {
12929 DisplayError(_("It is your turn"), 0);
12934 case TwoMachinesPlay:
12935 if (WhiteOnMove(forwardMostMove) ==
12936 (first.twoMachinesColor[0] == 'w')) {
12942 case BeginningOfGame:
12946 SendToProgram("?\n", cps);
12950 TruncateGameEvent()
12953 if (gameMode != EditGame) return;
12960 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
12961 if (forwardMostMove > currentMove) {
12962 if (gameInfo.resultDetails != NULL) {
12963 free(gameInfo.resultDetails);
12964 gameInfo.resultDetails = NULL;
12965 gameInfo.result = GameUnfinished;
12967 forwardMostMove = currentMove;
12968 HistorySet(parseList, backwardMostMove, forwardMostMove,
12976 if (appData.noChessProgram) return;
12977 switch (gameMode) {
12978 case MachinePlaysWhite:
12979 if (WhiteOnMove(forwardMostMove)) {
12980 DisplayError(_("Wait until your turn"), 0);
12984 case BeginningOfGame:
12985 case MachinePlaysBlack:
12986 if (!WhiteOnMove(forwardMostMove)) {
12987 DisplayError(_("Wait until your turn"), 0);
12992 DisplayError(_("No hint available"), 0);
12995 SendToProgram("hint\n", &first);
12996 hintRequested = TRUE;
13002 if (appData.noChessProgram) return;
13003 switch (gameMode) {
13004 case MachinePlaysWhite:
13005 if (WhiteOnMove(forwardMostMove)) {
13006 DisplayError(_("Wait until your turn"), 0);
13010 case BeginningOfGame:
13011 case MachinePlaysBlack:
13012 if (!WhiteOnMove(forwardMostMove)) {
13013 DisplayError(_("Wait until your turn"), 0);
13018 EditPositionDone(TRUE);
13020 case TwoMachinesPlay:
13025 SendToProgram("bk\n", &first);
13026 bookOutput[0] = NULLCHAR;
13027 bookRequested = TRUE;
13033 char *tags = PGNTags(&gameInfo);
13034 TagsPopUp(tags, CmailMsg());
13038 /* end button procedures */
13041 PrintPosition(fp, move)
13047 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13048 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
13049 char c = PieceToChar(boards[move][i][j]);
13050 fputc(c == 'x' ? '.' : c, fp);
13051 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
13054 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
13055 fprintf(fp, "white to play\n");
13057 fprintf(fp, "black to play\n");
13064 if (gameInfo.white != NULL) {
13065 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
13071 /* Find last component of program's own name, using some heuristics */
13073 TidyProgramName(prog, host, buf)
13074 char *prog, *host, buf[MSG_SIZ];
13077 int local = (strcmp(host, "localhost") == 0);
13078 while (!local && (p = strchr(prog, ';')) != NULL) {
13080 while (*p == ' ') p++;
13083 if (*prog == '"' || *prog == '\'') {
13084 q = strchr(prog + 1, *prog);
13086 q = strchr(prog, ' ');
13088 if (q == NULL) q = prog + strlen(prog);
13090 while (p >= prog && *p != '/' && *p != '\\') p--;
13092 if(p == prog && *p == '"') p++;
13093 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
13094 memcpy(buf, p, q - p);
13095 buf[q - p] = NULLCHAR;
13103 TimeControlTagValue()
13106 if (!appData.clockMode) {
13107 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
13108 } else if (movesPerSession > 0) {
13109 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
13110 } else if (timeIncrement == 0) {
13111 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
13113 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
13115 return StrSave(buf);
13121 /* This routine is used only for certain modes */
13122 VariantClass v = gameInfo.variant;
13123 ChessMove r = GameUnfinished;
13126 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
13127 r = gameInfo.result;
13128 p = gameInfo.resultDetails;
13129 gameInfo.resultDetails = NULL;
13131 ClearGameInfo(&gameInfo);
13132 gameInfo.variant = v;
13134 switch (gameMode) {
13135 case MachinePlaysWhite:
13136 gameInfo.event = StrSave( appData.pgnEventHeader );
13137 gameInfo.site = StrSave(HostName());
13138 gameInfo.date = PGNDate();
13139 gameInfo.round = StrSave("-");
13140 gameInfo.white = StrSave(first.tidy);
13141 gameInfo.black = StrSave(UserName());
13142 gameInfo.timeControl = TimeControlTagValue();
13145 case MachinePlaysBlack:
13146 gameInfo.event = StrSave( appData.pgnEventHeader );
13147 gameInfo.site = StrSave(HostName());
13148 gameInfo.date = PGNDate();
13149 gameInfo.round = StrSave("-");
13150 gameInfo.white = StrSave(UserName());
13151 gameInfo.black = StrSave(first.tidy);
13152 gameInfo.timeControl = TimeControlTagValue();
13155 case TwoMachinesPlay:
13156 gameInfo.event = StrSave( appData.pgnEventHeader );
13157 gameInfo.site = StrSave(HostName());
13158 gameInfo.date = PGNDate();
13159 if (matchGame > 0) {
13161 snprintf(buf, MSG_SIZ, "%d", matchGame);
13162 gameInfo.round = StrSave(buf);
13164 gameInfo.round = StrSave("-");
13166 if (first.twoMachinesColor[0] == 'w') {
13167 gameInfo.white = StrSave(first.tidy);
13168 gameInfo.black = StrSave(second.tidy);
13170 gameInfo.white = StrSave(second.tidy);
13171 gameInfo.black = StrSave(first.tidy);
13173 gameInfo.timeControl = TimeControlTagValue();
13177 gameInfo.event = StrSave("Edited game");
13178 gameInfo.site = StrSave(HostName());
13179 gameInfo.date = PGNDate();
13180 gameInfo.round = StrSave("-");
13181 gameInfo.white = StrSave("-");
13182 gameInfo.black = StrSave("-");
13183 gameInfo.result = r;
13184 gameInfo.resultDetails = p;
13188 gameInfo.event = StrSave("Edited position");
13189 gameInfo.site = StrSave(HostName());
13190 gameInfo.date = PGNDate();
13191 gameInfo.round = StrSave("-");
13192 gameInfo.white = StrSave("-");
13193 gameInfo.black = StrSave("-");
13196 case IcsPlayingWhite:
13197 case IcsPlayingBlack:
13202 case PlayFromGameFile:
13203 gameInfo.event = StrSave("Game from non-PGN file");
13204 gameInfo.site = StrSave(HostName());
13205 gameInfo.date = PGNDate();
13206 gameInfo.round = StrSave("-");
13207 gameInfo.white = StrSave("?");
13208 gameInfo.black = StrSave("?");
13217 ReplaceComment(index, text)
13223 while (*text == '\n') text++;
13224 len = strlen(text);
13225 while (len > 0 && text[len - 1] == '\n') len--;
13227 if (commentList[index] != NULL)
13228 free(commentList[index]);
13231 commentList[index] = NULL;
13234 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
13235 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
13236 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
13237 commentList[index] = (char *) malloc(len + 2);
13238 strncpy(commentList[index], text, len);
13239 commentList[index][len] = '\n';
13240 commentList[index][len + 1] = NULLCHAR;
13242 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
13244 commentList[index] = (char *) malloc(len + 7);
13245 safeStrCpy(commentList[index], "{\n", 3);
13246 safeStrCpy(commentList[index]+2, text, len+1);
13247 commentList[index][len+2] = NULLCHAR;
13248 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
13249 strcat(commentList[index], "\n}\n");
13263 if (ch == '\r') continue;
13265 } while (ch != '\0');
13269 AppendComment(index, text, addBraces)
13272 Boolean addBraces; // [HGM] braces: tells if we should add {}
13277 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
13278 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
13281 while (*text == '\n') text++;
13282 len = strlen(text);
13283 while (len > 0 && text[len - 1] == '\n') len--;
13285 if (len == 0) return;
13287 if (commentList[index] != NULL) {
13288 old = commentList[index];
13289 oldlen = strlen(old);
13290 while(commentList[index][oldlen-1] == '\n')
13291 commentList[index][--oldlen] = NULLCHAR;
13292 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
13293 safeStrCpy(commentList[index], old, oldlen);
13295 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
13296 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces)) {
13297 if(addBraces) addBraces = FALSE; else { text++; len--; }
13298 while (*text == '\n') { text++; len--; }
13299 commentList[index][--oldlen] = NULLCHAR;
13301 if(addBraces) strcat(commentList[index], "\n{\n");
13302 else strcat(commentList[index], "\n");
13303 strcat(commentList[index], text);
13304 if(addBraces) strcat(commentList[index], "\n}\n");
13305 else strcat(commentList[index], "\n");
13307 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
13309 safeStrCpy(commentList[index], "{\n", sizeof(commentList[index])/sizeof(commentList[index][0]));
13310 else commentList[index][0] = NULLCHAR;
13311 strcat(commentList[index], text);
13312 strcat(commentList[index], "\n");
13313 if(addBraces) strcat(commentList[index], "}\n");
13317 static char * FindStr( char * text, char * sub_text )
13319 char * result = strstr( text, sub_text );
13321 if( result != NULL ) {
13322 result += strlen( sub_text );
13328 /* [AS] Try to extract PV info from PGN comment */
13329 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
13330 char *GetInfoFromComment( int index, char * text )
13334 if( text != NULL && index > 0 ) {
13337 int time = -1, sec = 0, deci;
13338 char * s_eval = FindStr( text, "[%eval " );
13339 char * s_emt = FindStr( text, "[%emt " );
13341 if( s_eval != NULL || s_emt != NULL ) {
13345 if( s_eval != NULL ) {
13346 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
13350 if( delim != ']' ) {
13355 if( s_emt != NULL ) {
13360 /* We expect something like: [+|-]nnn.nn/dd */
13363 if(*text != '{') return text; // [HGM] braces: must be normal comment
13365 sep = strchr( text, '/' );
13366 if( sep == NULL || sep < (text+4) ) {
13370 time = -1; sec = -1; deci = -1;
13371 if( sscanf( text+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
13372 sscanf( text+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
13373 sscanf( text+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
13374 sscanf( text+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
13378 if( score_lo < 0 || score_lo >= 100 ) {
13382 if(sec >= 0) time = 600*time + 10*sec; else
13383 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
13385 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
13387 /* [HGM] PV time: now locate end of PV info */
13388 while( *++sep >= '0' && *sep <= '9'); // strip depth
13390 while( *++sep >= '0' && *sep <= '9'); // strip time
13392 while( *++sep >= '0' && *sep <= '9'); // strip seconds
13394 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
13395 while(*sep == ' ') sep++;
13406 pvInfoList[index-1].depth = depth;
13407 pvInfoList[index-1].score = score;
13408 pvInfoList[index-1].time = 10*time; // centi-sec
13409 if(*sep == '}') *sep = 0; else *--sep = '{';
13415 SendToProgram(message, cps)
13417 ChessProgramState *cps;
13419 int count, outCount, error;
13422 if (cps->pr == NULL) return;
13425 if (appData.debugMode) {
13428 fprintf(debugFP, "%ld >%-6s: %s",
13429 SubtractTimeMarks(&now, &programStartTime),
13430 cps->which, message);
13433 count = strlen(message);
13434 outCount = OutputToProcess(cps->pr, message, count, &error);
13435 if (outCount < count && !exiting
13436 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
13437 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), cps->which);
13438 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13439 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13440 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13441 snprintf(buf, MSG_SIZ, "%s program exits in draw position (%s)", cps->which, cps->program);
13443 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13445 gameInfo.resultDetails = StrSave(buf);
13447 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13452 ReceiveFromProgram(isr, closure, message, count, error)
13453 InputSourceRef isr;
13461 ChessProgramState *cps = (ChessProgramState *)closure;
13463 if (isr != cps->isr) return; /* Killed intentionally */
13466 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
13467 cps->which, cps->program);
13468 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13469 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13470 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13471 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), cps->which, cps->program);
13473 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13475 gameInfo.resultDetails = StrSave(buf);
13477 RemoveInputSource(cps->isr);
13478 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
13480 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
13481 cps->which, cps->program);
13482 RemoveInputSource(cps->isr);
13484 /* [AS] Program is misbehaving badly... kill it */
13485 if( count == -2 ) {
13486 DestroyChildProcess( cps->pr, 9 );
13490 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13495 if ((end_str = strchr(message, '\r')) != NULL)
13496 *end_str = NULLCHAR;
13497 if ((end_str = strchr(message, '\n')) != NULL)
13498 *end_str = NULLCHAR;
13500 if (appData.debugMode) {
13501 TimeMark now; int print = 1;
13502 char *quote = ""; char c; int i;
13504 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
13505 char start = message[0];
13506 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
13507 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
13508 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
13509 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
13510 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
13511 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
13512 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
13513 sscanf(message, "pong %c", &c)!=1 && start != '#') {
13514 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
13515 print = (appData.engineComments >= 2);
13517 message[0] = start; // restore original message
13521 fprintf(debugFP, "%ld <%-6s: %s%s\n",
13522 SubtractTimeMarks(&now, &programStartTime), cps->which,
13528 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
13529 if (appData.icsEngineAnalyze) {
13530 if (strstr(message, "whisper") != NULL ||
13531 strstr(message, "kibitz") != NULL ||
13532 strstr(message, "tellics") != NULL) return;
13535 HandleMachineMove(message, cps);
13540 SendTimeControl(cps, mps, tc, inc, sd, st)
13541 ChessProgramState *cps;
13542 int mps, inc, sd, st;
13548 if( timeControl_2 > 0 ) {
13549 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
13550 tc = timeControl_2;
13553 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
13554 inc /= cps->timeOdds;
13555 st /= cps->timeOdds;
13557 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
13560 /* Set exact time per move, normally using st command */
13561 if (cps->stKludge) {
13562 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
13564 if (seconds == 0) {
13565 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
13567 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
13570 snprintf(buf, MSG_SIZ, "st %d\n", st);
13573 /* Set conventional or incremental time control, using level command */
13574 if (seconds == 0) {
13575 /* Note old gnuchess bug -- minutes:seconds used to not work.
13576 Fixed in later versions, but still avoid :seconds
13577 when seconds is 0. */
13578 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000);
13580 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
13581 seconds, inc/1000);
13584 SendToProgram(buf, cps);
13586 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
13587 /* Orthogonally, limit search to given depth */
13589 if (cps->sdKludge) {
13590 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
13592 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
13594 SendToProgram(buf, cps);
13597 if(cps->nps > 0) { /* [HGM] nps */
13598 if(cps->supportsNPS == FALSE)
13599 cps->nps = -1; // don't use if engine explicitly says not supported!
13601 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
13602 SendToProgram(buf, cps);
13607 ChessProgramState *WhitePlayer()
13608 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
13610 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
13611 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
13617 SendTimeRemaining(cps, machineWhite)
13618 ChessProgramState *cps;
13619 int /*boolean*/ machineWhite;
13621 char message[MSG_SIZ];
13624 /* Note: this routine must be called when the clocks are stopped
13625 or when they have *just* been set or switched; otherwise
13626 it will be off by the time since the current tick started.
13628 if (machineWhite) {
13629 time = whiteTimeRemaining / 10;
13630 otime = blackTimeRemaining / 10;
13632 time = blackTimeRemaining / 10;
13633 otime = whiteTimeRemaining / 10;
13635 /* [HGM] translate opponent's time by time-odds factor */
13636 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
13637 if (appData.debugMode) {
13638 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
13641 if (time <= 0) time = 1;
13642 if (otime <= 0) otime = 1;
13644 snprintf(message, MSG_SIZ, "time %ld\n", time);
13645 SendToProgram(message, cps);
13647 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
13648 SendToProgram(message, cps);
13652 BoolFeature(p, name, loc, cps)
13656 ChessProgramState *cps;
13659 int len = strlen(name);
13662 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13664 sscanf(*p, "%d", &val);
13666 while (**p && **p != ' ')
13668 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13669 SendToProgram(buf, cps);
13676 IntFeature(p, name, loc, cps)
13680 ChessProgramState *cps;
13683 int len = strlen(name);
13684 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13686 sscanf(*p, "%d", loc);
13687 while (**p && **p != ' ') (*p)++;
13688 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13689 SendToProgram(buf, cps);
13696 StringFeature(p, name, loc, cps)
13700 ChessProgramState *cps;
13703 int len = strlen(name);
13704 if (strncmp((*p), name, len) == 0
13705 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
13707 sscanf(*p, "%[^\"]", loc);
13708 while (**p && **p != '\"') (*p)++;
13709 if (**p == '\"') (*p)++;
13710 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13711 SendToProgram(buf, cps);
13718 ParseOption(Option *opt, ChessProgramState *cps)
13719 // [HGM] options: process the string that defines an engine option, and determine
13720 // name, type, default value, and allowed value range
13722 char *p, *q, buf[MSG_SIZ];
13723 int n, min = (-1)<<31, max = 1<<31, def;
13725 if(p = strstr(opt->name, " -spin ")) {
13726 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13727 if(max < min) max = min; // enforce consistency
13728 if(def < min) def = min;
13729 if(def > max) def = max;
13734 } else if((p = strstr(opt->name, " -slider "))) {
13735 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
13736 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13737 if(max < min) max = min; // enforce consistency
13738 if(def < min) def = min;
13739 if(def > max) def = max;
13743 opt->type = Spin; // Slider;
13744 } else if((p = strstr(opt->name, " -string "))) {
13745 opt->textValue = p+9;
13746 opt->type = TextBox;
13747 } else if((p = strstr(opt->name, " -file "))) {
13748 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13749 opt->textValue = p+7;
13750 opt->type = TextBox; // FileName;
13751 } else if((p = strstr(opt->name, " -path "))) {
13752 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13753 opt->textValue = p+7;
13754 opt->type = TextBox; // PathName;
13755 } else if(p = strstr(opt->name, " -check ")) {
13756 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
13757 opt->value = (def != 0);
13758 opt->type = CheckBox;
13759 } else if(p = strstr(opt->name, " -combo ")) {
13760 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
13761 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
13762 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
13763 opt->value = n = 0;
13764 while(q = StrStr(q, " /// ")) {
13765 n++; *q = 0; // count choices, and null-terminate each of them
13767 if(*q == '*') { // remember default, which is marked with * prefix
13771 cps->comboList[cps->comboCnt++] = q;
13773 cps->comboList[cps->comboCnt++] = NULL;
13775 opt->type = ComboBox;
13776 } else if(p = strstr(opt->name, " -button")) {
13777 opt->type = Button;
13778 } else if(p = strstr(opt->name, " -save")) {
13779 opt->type = SaveButton;
13780 } else return FALSE;
13781 *p = 0; // terminate option name
13782 // now look if the command-line options define a setting for this engine option.
13783 if(cps->optionSettings && cps->optionSettings[0])
13784 p = strstr(cps->optionSettings, opt->name); else p = NULL;
13785 if(p && (p == cps->optionSettings || p[-1] == ',')) {
13786 snprintf(buf, MSG_SIZ, "option %s", p);
13787 if(p = strstr(buf, ",")) *p = 0;
13789 SendToProgram(buf, cps);
13795 FeatureDone(cps, val)
13796 ChessProgramState* cps;
13799 DelayedEventCallback cb = GetDelayedEvent();
13800 if ((cb == InitBackEnd3 && cps == &first) ||
13801 (cb == TwoMachinesEventIfReady && cps == &second)) {
13802 CancelDelayedEvent();
13803 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
13805 cps->initDone = val;
13808 /* Parse feature command from engine */
13810 ParseFeatures(args, cps)
13812 ChessProgramState *cps;
13820 while (*p == ' ') p++;
13821 if (*p == NULLCHAR) return;
13823 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
13824 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
13825 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
13826 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
13827 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
13828 if (BoolFeature(&p, "reuse", &val, cps)) {
13829 /* Engine can disable reuse, but can't enable it if user said no */
13830 if (!val) cps->reuse = FALSE;
13833 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
13834 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
13835 if (gameMode == TwoMachinesPlay) {
13836 DisplayTwoMachinesTitle();
13842 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
13843 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
13844 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
13845 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
13846 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
13847 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
13848 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
13849 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
13850 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
13851 if (IntFeature(&p, "done", &val, cps)) {
13852 FeatureDone(cps, val);
13855 /* Added by Tord: */
13856 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
13857 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
13858 /* End of additions by Tord */
13860 /* [HGM] added features: */
13861 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
13862 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
13863 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
13864 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
13865 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13866 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
13867 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
13868 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
13869 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
13870 SendToProgram(buf, cps);
13873 if(cps->nrOptions >= MAX_OPTIONS) {
13875 snprintf(buf, MSG_SIZ, "%s engine has too many options\n", cps->which);
13876 DisplayError(buf, 0);
13880 /* End of additions by HGM */
13882 /* unknown feature: complain and skip */
13884 while (*q && *q != '=') q++;
13885 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
13886 SendToProgram(buf, cps);
13892 while (*p && *p != '\"') p++;
13893 if (*p == '\"') p++;
13895 while (*p && *p != ' ') p++;
13903 PeriodicUpdatesEvent(newState)
13906 if (newState == appData.periodicUpdates)
13909 appData.periodicUpdates=newState;
13911 /* Display type changes, so update it now */
13912 // DisplayAnalysis();
13914 /* Get the ball rolling again... */
13916 AnalysisPeriodicEvent(1);
13917 StartAnalysisClock();
13922 PonderNextMoveEvent(newState)
13925 if (newState == appData.ponderNextMove) return;
13926 if (gameMode == EditPosition) EditPositionDone(TRUE);
13928 SendToProgram("hard\n", &first);
13929 if (gameMode == TwoMachinesPlay) {
13930 SendToProgram("hard\n", &second);
13933 SendToProgram("easy\n", &first);
13934 thinkOutput[0] = NULLCHAR;
13935 if (gameMode == TwoMachinesPlay) {
13936 SendToProgram("easy\n", &second);
13939 appData.ponderNextMove = newState;
13943 NewSettingEvent(option, feature, command, value)
13945 int option, value, *feature;
13949 if (gameMode == EditPosition) EditPositionDone(TRUE);
13950 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
13951 if(feature == NULL || *feature) SendToProgram(buf, &first);
13952 if (gameMode == TwoMachinesPlay) {
13953 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
13958 ShowThinkingEvent()
13959 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
13961 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
13962 int newState = appData.showThinking
13963 // [HGM] thinking: other features now need thinking output as well
13964 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
13966 if (oldState == newState) return;
13967 oldState = newState;
13968 if (gameMode == EditPosition) EditPositionDone(TRUE);
13970 SendToProgram("post\n", &first);
13971 if (gameMode == TwoMachinesPlay) {
13972 SendToProgram("post\n", &second);
13975 SendToProgram("nopost\n", &first);
13976 thinkOutput[0] = NULLCHAR;
13977 if (gameMode == TwoMachinesPlay) {
13978 SendToProgram("nopost\n", &second);
13981 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
13985 AskQuestionEvent(title, question, replyPrefix, which)
13986 char *title; char *question; char *replyPrefix; char *which;
13988 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
13989 if (pr == NoProc) return;
13990 AskQuestion(title, question, replyPrefix, pr);
13994 DisplayMove(moveNumber)
13997 char message[MSG_SIZ];
13999 char cpThinkOutput[MSG_SIZ];
14001 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
14003 if (moveNumber == forwardMostMove - 1 ||
14004 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14006 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
14008 if (strchr(cpThinkOutput, '\n')) {
14009 *strchr(cpThinkOutput, '\n') = NULLCHAR;
14012 *cpThinkOutput = NULLCHAR;
14015 /* [AS] Hide thinking from human user */
14016 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
14017 *cpThinkOutput = NULLCHAR;
14018 if( thinkOutput[0] != NULLCHAR ) {
14021 for( i=0; i<=hiddenThinkOutputState; i++ ) {
14022 cpThinkOutput[i] = '.';
14024 cpThinkOutput[i] = NULLCHAR;
14025 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
14029 if (moveNumber == forwardMostMove - 1 &&
14030 gameInfo.resultDetails != NULL) {
14031 if (gameInfo.resultDetails[0] == NULLCHAR) {
14032 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
14034 snprintf(res, MSG_SIZ, " {%s} %s",
14035 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
14041 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14042 DisplayMessage(res, cpThinkOutput);
14044 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
14045 WhiteOnMove(moveNumber) ? " " : ".. ",
14046 parseList[moveNumber], res);
14047 DisplayMessage(message, cpThinkOutput);
14052 DisplayComment(moveNumber, text)
14056 char title[MSG_SIZ];
14057 char buf[8000]; // comment can be long!
14060 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14061 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
14063 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
14064 WhiteOnMove(moveNumber) ? " " : ".. ",
14065 parseList[moveNumber]);
14067 // [HGM] PV info: display PV info together with (or as) comment
14068 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
14069 if(text == NULL) text = "";
14070 score = pvInfoList[moveNumber].score;
14071 snprintf(buf,sizeof(buf)/sizeof(buf[0]), "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
14072 depth, (pvInfoList[moveNumber].time+50)/100, text);
14075 if (text != NULL && (appData.autoDisplayComment || commentUp))
14076 CommentPopUp(title, text);
14079 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
14080 * might be busy thinking or pondering. It can be omitted if your
14081 * gnuchess is configured to stop thinking immediately on any user
14082 * input. However, that gnuchess feature depends on the FIONREAD
14083 * ioctl, which does not work properly on some flavors of Unix.
14087 ChessProgramState *cps;
14090 if (!cps->useSigint) return;
14091 if (appData.noChessProgram || (cps->pr == NoProc)) return;
14092 switch (gameMode) {
14093 case MachinePlaysWhite:
14094 case MachinePlaysBlack:
14095 case TwoMachinesPlay:
14096 case IcsPlayingWhite:
14097 case IcsPlayingBlack:
14100 /* Skip if we know it isn't thinking */
14101 if (!cps->maybeThinking) return;
14102 if (appData.debugMode)
14103 fprintf(debugFP, "Interrupting %s\n", cps->which);
14104 InterruptChildProcess(cps->pr);
14105 cps->maybeThinking = FALSE;
14110 #endif /*ATTENTION*/
14116 if (whiteTimeRemaining <= 0) {
14119 if (appData.icsActive) {
14120 if (appData.autoCallFlag &&
14121 gameMode == IcsPlayingBlack && !blackFlag) {
14122 SendToICS(ics_prefix);
14123 SendToICS("flag\n");
14127 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14129 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
14130 if (appData.autoCallFlag) {
14131 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
14138 if (blackTimeRemaining <= 0) {
14141 if (appData.icsActive) {
14142 if (appData.autoCallFlag &&
14143 gameMode == IcsPlayingWhite && !whiteFlag) {
14144 SendToICS(ics_prefix);
14145 SendToICS("flag\n");
14149 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14151 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
14152 if (appData.autoCallFlag) {
14153 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
14166 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
14167 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
14170 * add time to clocks when time control is achieved ([HGM] now also used for increment)
14172 if ( !WhiteOnMove(forwardMostMove) ) {
14173 /* White made time control */
14174 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
14175 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
14176 /* [HGM] time odds: correct new time quota for time odds! */
14177 / WhitePlayer()->timeOdds;
14178 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
14180 lastBlack -= blackTimeRemaining;
14181 /* Black made time control */
14182 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
14183 / WhitePlayer()->other->timeOdds;
14184 lastWhite = whiteTimeRemaining;
14189 DisplayBothClocks()
14191 int wom = gameMode == EditPosition ?
14192 !blackPlaysFirst : WhiteOnMove(currentMove);
14193 DisplayWhiteClock(whiteTimeRemaining, wom);
14194 DisplayBlackClock(blackTimeRemaining, !wom);
14198 /* Timekeeping seems to be a portability nightmare. I think everyone
14199 has ftime(), but I'm really not sure, so I'm including some ifdefs
14200 to use other calls if you don't. Clocks will be less accurate if
14201 you have neither ftime nor gettimeofday.
14204 /* VS 2008 requires the #include outside of the function */
14205 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
14206 #include <sys/timeb.h>
14209 /* Get the current time as a TimeMark */
14214 #if HAVE_GETTIMEOFDAY
14216 struct timeval timeVal;
14217 struct timezone timeZone;
14219 gettimeofday(&timeVal, &timeZone);
14220 tm->sec = (long) timeVal.tv_sec;
14221 tm->ms = (int) (timeVal.tv_usec / 1000L);
14223 #else /*!HAVE_GETTIMEOFDAY*/
14226 // include <sys/timeb.h> / moved to just above start of function
14227 struct timeb timeB;
14230 tm->sec = (long) timeB.time;
14231 tm->ms = (int) timeB.millitm;
14233 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
14234 tm->sec = (long) time(NULL);
14240 /* Return the difference in milliseconds between two
14241 time marks. We assume the difference will fit in a long!
14244 SubtractTimeMarks(tm2, tm1)
14245 TimeMark *tm2, *tm1;
14247 return 1000L*(tm2->sec - tm1->sec) +
14248 (long) (tm2->ms - tm1->ms);
14253 * Code to manage the game clocks.
14255 * In tournament play, black starts the clock and then white makes a move.
14256 * We give the human user a slight advantage if he is playing white---the
14257 * clocks don't run until he makes his first move, so it takes zero time.
14258 * Also, we don't account for network lag, so we could get out of sync
14259 * with GNU Chess's clock -- but then, referees are always right.
14262 static TimeMark tickStartTM;
14263 static long intendedTickLength;
14266 NextTickLength(timeRemaining)
14267 long timeRemaining;
14269 long nominalTickLength, nextTickLength;
14271 if (timeRemaining > 0L && timeRemaining <= 10000L)
14272 nominalTickLength = 100L;
14274 nominalTickLength = 1000L;
14275 nextTickLength = timeRemaining % nominalTickLength;
14276 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
14278 return nextTickLength;
14281 /* Adjust clock one minute up or down */
14283 AdjustClock(Boolean which, int dir)
14285 if(which) blackTimeRemaining += 60000*dir;
14286 else whiteTimeRemaining += 60000*dir;
14287 DisplayBothClocks();
14290 /* Stop clocks and reset to a fresh time control */
14294 (void) StopClockTimer();
14295 if (appData.icsActive) {
14296 whiteTimeRemaining = blackTimeRemaining = 0;
14297 } else if (searchTime) {
14298 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14299 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14300 } else { /* [HGM] correct new time quote for time odds */
14301 whiteTC = blackTC = fullTimeControlString;
14302 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
14303 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
14305 if (whiteFlag || blackFlag) {
14307 whiteFlag = blackFlag = FALSE;
14309 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
14310 DisplayBothClocks();
14313 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
14315 /* Decrement running clock by amount of time that has passed */
14319 long timeRemaining;
14320 long lastTickLength, fudge;
14323 if (!appData.clockMode) return;
14324 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
14328 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14330 /* Fudge if we woke up a little too soon */
14331 fudge = intendedTickLength - lastTickLength;
14332 if (fudge < 0 || fudge > FUDGE) fudge = 0;
14334 if (WhiteOnMove(forwardMostMove)) {
14335 if(whiteNPS >= 0) lastTickLength = 0;
14336 timeRemaining = whiteTimeRemaining -= lastTickLength;
14337 if(timeRemaining < 0 && !appData.icsActive) {
14338 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
14339 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
14340 whiteStartMove = forwardMostMove; whiteTC = nextSession;
14341 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
14344 DisplayWhiteClock(whiteTimeRemaining - fudge,
14345 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14347 if(blackNPS >= 0) lastTickLength = 0;
14348 timeRemaining = blackTimeRemaining -= lastTickLength;
14349 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
14350 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
14352 blackStartMove = forwardMostMove;
14353 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
14356 DisplayBlackClock(blackTimeRemaining - fudge,
14357 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14359 if (CheckFlags()) return;
14362 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
14363 StartClockTimer(intendedTickLength);
14365 /* if the time remaining has fallen below the alarm threshold, sound the
14366 * alarm. if the alarm has sounded and (due to a takeback or time control
14367 * with increment) the time remaining has increased to a level above the
14368 * threshold, reset the alarm so it can sound again.
14371 if (appData.icsActive && appData.icsAlarm) {
14373 /* make sure we are dealing with the user's clock */
14374 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
14375 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
14378 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
14379 alarmSounded = FALSE;
14380 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
14382 alarmSounded = TRUE;
14388 /* A player has just moved, so stop the previously running
14389 clock and (if in clock mode) start the other one.
14390 We redisplay both clocks in case we're in ICS mode, because
14391 ICS gives us an update to both clocks after every move.
14392 Note that this routine is called *after* forwardMostMove
14393 is updated, so the last fractional tick must be subtracted
14394 from the color that is *not* on move now.
14397 SwitchClocks(int newMoveNr)
14399 long lastTickLength;
14401 int flagged = FALSE;
14405 if (StopClockTimer() && appData.clockMode) {
14406 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14407 if (!WhiteOnMove(forwardMostMove)) {
14408 if(blackNPS >= 0) lastTickLength = 0;
14409 blackTimeRemaining -= lastTickLength;
14410 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14411 // if(pvInfoList[forwardMostMove-1].time == -1)
14412 pvInfoList[forwardMostMove-1].time = // use GUI time
14413 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
14415 if(whiteNPS >= 0) lastTickLength = 0;
14416 whiteTimeRemaining -= lastTickLength;
14417 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14418 // if(pvInfoList[forwardMostMove-1].time == -1)
14419 pvInfoList[forwardMostMove-1].time =
14420 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
14422 flagged = CheckFlags();
14424 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
14425 CheckTimeControl();
14427 if (flagged || !appData.clockMode) return;
14429 switch (gameMode) {
14430 case MachinePlaysBlack:
14431 case MachinePlaysWhite:
14432 case BeginningOfGame:
14433 if (pausing) return;
14437 case PlayFromGameFile:
14445 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
14446 if(WhiteOnMove(forwardMostMove))
14447 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14448 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14452 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14453 whiteTimeRemaining : blackTimeRemaining);
14454 StartClockTimer(intendedTickLength);
14458 /* Stop both clocks */
14462 long lastTickLength;
14465 if (!StopClockTimer()) return;
14466 if (!appData.clockMode) return;
14470 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14471 if (WhiteOnMove(forwardMostMove)) {
14472 if(whiteNPS >= 0) lastTickLength = 0;
14473 whiteTimeRemaining -= lastTickLength;
14474 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
14476 if(blackNPS >= 0) lastTickLength = 0;
14477 blackTimeRemaining -= lastTickLength;
14478 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
14483 /* Start clock of player on move. Time may have been reset, so
14484 if clock is already running, stop and restart it. */
14488 (void) StopClockTimer(); /* in case it was running already */
14489 DisplayBothClocks();
14490 if (CheckFlags()) return;
14492 if (!appData.clockMode) return;
14493 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
14495 GetTimeMark(&tickStartTM);
14496 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14497 whiteTimeRemaining : blackTimeRemaining);
14499 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
14500 whiteNPS = blackNPS = -1;
14501 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
14502 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
14503 whiteNPS = first.nps;
14504 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
14505 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
14506 blackNPS = first.nps;
14507 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
14508 whiteNPS = second.nps;
14509 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
14510 blackNPS = second.nps;
14511 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
14513 StartClockTimer(intendedTickLength);
14520 long second, minute, hour, day;
14522 static char buf[32];
14524 if (ms > 0 && ms <= 9900) {
14525 /* convert milliseconds to tenths, rounding up */
14526 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
14528 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
14532 /* convert milliseconds to seconds, rounding up */
14533 /* use floating point to avoid strangeness of integer division
14534 with negative dividends on many machines */
14535 second = (long) floor(((double) (ms + 999L)) / 1000.0);
14542 day = second / (60 * 60 * 24);
14543 second = second % (60 * 60 * 24);
14544 hour = second / (60 * 60);
14545 second = second % (60 * 60);
14546 minute = second / 60;
14547 second = second % 60;
14550 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
14551 sign, day, hour, minute, second);
14553 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
14555 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
14562 * This is necessary because some C libraries aren't ANSI C compliant yet.
14565 StrStr(string, match)
14566 char *string, *match;
14570 length = strlen(match);
14572 for (i = strlen(string) - length; i >= 0; i--, string++)
14573 if (!strncmp(match, string, length))
14580 StrCaseStr(string, match)
14581 char *string, *match;
14585 length = strlen(match);
14587 for (i = strlen(string) - length; i >= 0; i--, string++) {
14588 for (j = 0; j < length; j++) {
14589 if (ToLower(match[j]) != ToLower(string[j]))
14592 if (j == length) return string;
14606 c1 = ToLower(*s1++);
14607 c2 = ToLower(*s2++);
14608 if (c1 > c2) return 1;
14609 if (c1 < c2) return -1;
14610 if (c1 == NULLCHAR) return 0;
14619 return isupper(c) ? tolower(c) : c;
14627 return islower(c) ? toupper(c) : c;
14629 #endif /* !_amigados */
14637 if ((ret = (char *) malloc(strlen(s) + 1)))
14639 safeStrCpy(ret, s, strlen(s)+1);
14645 StrSavePtr(s, savePtr)
14646 char *s, **savePtr;
14651 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
14652 safeStrCpy(*savePtr, s, strlen(s)+1);
14664 clock = time((time_t *)NULL);
14665 tm = localtime(&clock);
14666 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
14667 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
14668 return StrSave(buf);
14673 PositionToFEN(move, overrideCastling)
14675 char *overrideCastling;
14677 int i, j, fromX, fromY, toX, toY;
14684 whiteToPlay = (gameMode == EditPosition) ?
14685 !blackPlaysFirst : (move % 2 == 0);
14688 /* Piece placement data */
14689 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14691 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14692 if (boards[move][i][j] == EmptySquare) {
14694 } else { ChessSquare piece = boards[move][i][j];
14695 if (emptycount > 0) {
14696 if(emptycount<10) /* [HGM] can be >= 10 */
14697 *p++ = '0' + emptycount;
14698 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14701 if(PieceToChar(piece) == '+') {
14702 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
14704 piece = (ChessSquare)(DEMOTED piece);
14706 *p++ = PieceToChar(piece);
14708 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
14709 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
14714 if (emptycount > 0) {
14715 if(emptycount<10) /* [HGM] can be >= 10 */
14716 *p++ = '0' + emptycount;
14717 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14724 /* [HGM] print Crazyhouse or Shogi holdings */
14725 if( gameInfo.holdingsWidth ) {
14726 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
14728 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
14729 piece = boards[move][i][BOARD_WIDTH-1];
14730 if( piece != EmptySquare )
14731 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
14732 *p++ = PieceToChar(piece);
14734 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
14735 piece = boards[move][BOARD_HEIGHT-i-1][0];
14736 if( piece != EmptySquare )
14737 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
14738 *p++ = PieceToChar(piece);
14741 if( q == p ) *p++ = '-';
14747 *p++ = whiteToPlay ? 'w' : 'b';
14750 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
14751 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
14753 if(nrCastlingRights) {
14755 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
14756 /* [HGM] write directly from rights */
14757 if(boards[move][CASTLING][2] != NoRights &&
14758 boards[move][CASTLING][0] != NoRights )
14759 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
14760 if(boards[move][CASTLING][2] != NoRights &&
14761 boards[move][CASTLING][1] != NoRights )
14762 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
14763 if(boards[move][CASTLING][5] != NoRights &&
14764 boards[move][CASTLING][3] != NoRights )
14765 *p++ = boards[move][CASTLING][3] + AAA;
14766 if(boards[move][CASTLING][5] != NoRights &&
14767 boards[move][CASTLING][4] != NoRights )
14768 *p++ = boards[move][CASTLING][4] + AAA;
14771 /* [HGM] write true castling rights */
14772 if( nrCastlingRights == 6 ) {
14773 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
14774 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
14775 if(boards[move][CASTLING][1] == BOARD_LEFT &&
14776 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
14777 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
14778 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
14779 if(boards[move][CASTLING][4] == BOARD_LEFT &&
14780 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
14783 if (q == p) *p++ = '-'; /* No castling rights */
14787 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14788 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14789 /* En passant target square */
14790 if (move > backwardMostMove) {
14791 fromX = moveList[move - 1][0] - AAA;
14792 fromY = moveList[move - 1][1] - ONE;
14793 toX = moveList[move - 1][2] - AAA;
14794 toY = moveList[move - 1][3] - ONE;
14795 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
14796 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
14797 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
14799 /* 2-square pawn move just happened */
14801 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14805 } else if(move == backwardMostMove) {
14806 // [HGM] perhaps we should always do it like this, and forget the above?
14807 if((signed char)boards[move][EP_STATUS] >= 0) {
14808 *p++ = boards[move][EP_STATUS] + AAA;
14809 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14820 /* [HGM] find reversible plies */
14821 { int i = 0, j=move;
14823 if (appData.debugMode) { int k;
14824 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
14825 for(k=backwardMostMove; k<=forwardMostMove; k++)
14826 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
14830 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
14831 if( j == backwardMostMove ) i += initialRulePlies;
14832 sprintf(p, "%d ", i);
14833 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
14835 /* Fullmove number */
14836 sprintf(p, "%d", (move / 2) + 1);
14838 return StrSave(buf);
14842 ParseFEN(board, blackPlaysFirst, fen)
14844 int *blackPlaysFirst;
14854 /* [HGM] by default clear Crazyhouse holdings, if present */
14855 if(gameInfo.holdingsWidth) {
14856 for(i=0; i<BOARD_HEIGHT; i++) {
14857 board[i][0] = EmptySquare; /* black holdings */
14858 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
14859 board[i][1] = (ChessSquare) 0; /* black counts */
14860 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
14864 /* Piece placement data */
14865 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14868 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
14869 if (*p == '/') p++;
14870 emptycount = gameInfo.boardWidth - j;
14871 while (emptycount--)
14872 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14874 #if(BOARD_FILES >= 10)
14875 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
14876 p++; emptycount=10;
14877 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14878 while (emptycount--)
14879 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14881 } else if (isdigit(*p)) {
14882 emptycount = *p++ - '0';
14883 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
14884 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14885 while (emptycount--)
14886 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14887 } else if (*p == '+' || isalpha(*p)) {
14888 if (j >= gameInfo.boardWidth) return FALSE;
14890 piece = CharToPiece(*++p);
14891 if(piece == EmptySquare) return FALSE; /* unknown piece */
14892 piece = (ChessSquare) (PROMOTED piece ); p++;
14893 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
14894 } else piece = CharToPiece(*p++);
14896 if(piece==EmptySquare) return FALSE; /* unknown piece */
14897 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
14898 piece = (ChessSquare) (PROMOTED piece);
14899 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
14902 board[i][(j++)+gameInfo.holdingsWidth] = piece;
14908 while (*p == '/' || *p == ' ') p++;
14910 /* [HGM] look for Crazyhouse holdings here */
14911 while(*p==' ') p++;
14912 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
14914 if(*p == '-' ) p++; /* empty holdings */ else {
14915 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
14916 /* if we would allow FEN reading to set board size, we would */
14917 /* have to add holdings and shift the board read so far here */
14918 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
14920 if((int) piece >= (int) BlackPawn ) {
14921 i = (int)piece - (int)BlackPawn;
14922 i = PieceToNumber((ChessSquare)i);
14923 if( i >= gameInfo.holdingsSize ) return FALSE;
14924 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
14925 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
14927 i = (int)piece - (int)WhitePawn;
14928 i = PieceToNumber((ChessSquare)i);
14929 if( i >= gameInfo.holdingsSize ) return FALSE;
14930 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
14931 board[i][BOARD_WIDTH-2]++; /* black holdings */
14938 while(*p == ' ') p++;
14942 if(appData.colorNickNames) {
14943 if( c == appData.colorNickNames[0] ) c = 'w'; else
14944 if( c == appData.colorNickNames[1] ) c = 'b';
14948 *blackPlaysFirst = FALSE;
14951 *blackPlaysFirst = TRUE;
14957 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
14958 /* return the extra info in global variiables */
14960 /* set defaults in case FEN is incomplete */
14961 board[EP_STATUS] = EP_UNKNOWN;
14962 for(i=0; i<nrCastlingRights; i++ ) {
14963 board[CASTLING][i] =
14964 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
14965 } /* assume possible unless obviously impossible */
14966 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
14967 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
14968 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
14969 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
14970 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
14971 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
14972 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
14973 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
14976 while(*p==' ') p++;
14977 if(nrCastlingRights) {
14978 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
14979 /* castling indicator present, so default becomes no castlings */
14980 for(i=0; i<nrCastlingRights; i++ ) {
14981 board[CASTLING][i] = NoRights;
14984 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
14985 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
14986 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
14987 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
14988 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
14990 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
14991 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
14992 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
14994 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
14995 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
14996 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
14997 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
14998 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
14999 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
15002 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
15003 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
15004 board[CASTLING][2] = whiteKingFile;
15007 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
15008 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
15009 board[CASTLING][2] = whiteKingFile;
15012 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
15013 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
15014 board[CASTLING][5] = blackKingFile;
15017 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
15018 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
15019 board[CASTLING][5] = blackKingFile;
15022 default: /* FRC castlings */
15023 if(c >= 'a') { /* black rights */
15024 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15025 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
15026 if(i == BOARD_RGHT) break;
15027 board[CASTLING][5] = i;
15029 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
15030 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
15032 board[CASTLING][3] = c;
15034 board[CASTLING][4] = c;
15035 } else { /* white rights */
15036 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15037 if(board[0][i] == WhiteKing) break;
15038 if(i == BOARD_RGHT) break;
15039 board[CASTLING][2] = i;
15040 c -= AAA - 'a' + 'A';
15041 if(board[0][c] >= WhiteKing) break;
15043 board[CASTLING][0] = c;
15045 board[CASTLING][1] = c;
15049 for(i=0; i<nrCastlingRights; i++)
15050 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
15051 if (appData.debugMode) {
15052 fprintf(debugFP, "FEN castling rights:");
15053 for(i=0; i<nrCastlingRights; i++)
15054 fprintf(debugFP, " %d", board[CASTLING][i]);
15055 fprintf(debugFP, "\n");
15058 while(*p==' ') p++;
15061 /* read e.p. field in games that know e.p. capture */
15062 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
15063 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
15065 p++; board[EP_STATUS] = EP_NONE;
15067 char c = *p++ - AAA;
15069 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
15070 if(*p >= '0' && *p <='9') p++;
15071 board[EP_STATUS] = c;
15076 if(sscanf(p, "%d", &i) == 1) {
15077 FENrulePlies = i; /* 50-move ply counter */
15078 /* (The move number is still ignored) */
15085 EditPositionPasteFEN(char *fen)
15088 Board initial_position;
15090 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
15091 DisplayError(_("Bad FEN position in clipboard"), 0);
15094 int savedBlackPlaysFirst = blackPlaysFirst;
15095 EditPositionEvent();
15096 blackPlaysFirst = savedBlackPlaysFirst;
15097 CopyBoard(boards[0], initial_position);
15098 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
15099 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
15100 DisplayBothClocks();
15101 DrawPosition(FALSE, boards[currentMove]);
15106 static char cseq[12] = "\\ ";
15108 Boolean set_cont_sequence(char *new_seq)
15113 // handle bad attempts to set the sequence
15115 return 0; // acceptable error - no debug
15117 len = strlen(new_seq);
15118 ret = (len > 0) && (len < sizeof(cseq));
15120 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
15121 else if (appData.debugMode)
15122 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
15127 reformat a source message so words don't cross the width boundary. internal
15128 newlines are not removed. returns the wrapped size (no null character unless
15129 included in source message). If dest is NULL, only calculate the size required
15130 for the dest buffer. lp argument indicats line position upon entry, and it's
15131 passed back upon exit.
15133 int wrap(char *dest, char *src, int count, int width, int *lp)
15135 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
15137 cseq_len = strlen(cseq);
15138 old_line = line = *lp;
15139 ansi = len = clen = 0;
15141 for (i=0; i < count; i++)
15143 if (src[i] == '\033')
15146 // if we hit the width, back up
15147 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
15149 // store i & len in case the word is too long
15150 old_i = i, old_len = len;
15152 // find the end of the last word
15153 while (i && src[i] != ' ' && src[i] != '\n')
15159 // word too long? restore i & len before splitting it
15160 if ((old_i-i+clen) >= width)
15167 if (i && src[i-1] == ' ')
15170 if (src[i] != ' ' && src[i] != '\n')
15177 // now append the newline and continuation sequence
15182 strncpy(dest+len, cseq, cseq_len);
15190 dest[len] = src[i];
15194 if (src[i] == '\n')
15199 if (dest && appData.debugMode)
15201 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
15202 count, width, line, len, *lp);
15203 show_bytes(debugFP, src, count);
15204 fprintf(debugFP, "\ndest: ");
15205 show_bytes(debugFP, dest, len);
15206 fprintf(debugFP, "\n");
15208 *lp = dest ? line : old_line;
15213 // [HGM] vari: routines for shelving variations
15216 PushTail(int firstMove, int lastMove)
15218 int i, j, nrMoves = lastMove - firstMove;
15220 if(appData.icsActive) { // only in local mode
15221 forwardMostMove = currentMove; // mimic old ICS behavior
15224 if(storedGames >= MAX_VARIATIONS-1) return;
15226 // push current tail of game on stack
15227 savedResult[storedGames] = gameInfo.result;
15228 savedDetails[storedGames] = gameInfo.resultDetails;
15229 gameInfo.resultDetails = NULL;
15230 savedFirst[storedGames] = firstMove;
15231 savedLast [storedGames] = lastMove;
15232 savedFramePtr[storedGames] = framePtr;
15233 framePtr -= nrMoves; // reserve space for the boards
15234 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
15235 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
15236 for(j=0; j<MOVE_LEN; j++)
15237 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
15238 for(j=0; j<2*MOVE_LEN; j++)
15239 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
15240 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
15241 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
15242 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
15243 pvInfoList[firstMove+i-1].depth = 0;
15244 commentList[framePtr+i] = commentList[firstMove+i];
15245 commentList[firstMove+i] = NULL;
15249 forwardMostMove = firstMove; // truncate game so we can start variation
15250 if(storedGames == 1) GreyRevert(FALSE);
15254 PopTail(Boolean annotate)
15257 char buf[8000], moveBuf[20];
15259 if(appData.icsActive) return FALSE; // only in local mode
15260 if(!storedGames) return FALSE; // sanity
15261 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
15264 ToNrEvent(savedFirst[storedGames]); // sets currentMove
15265 nrMoves = savedLast[storedGames] - currentMove;
15268 if(!WhiteOnMove(currentMove))
15269 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
15270 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
15271 for(i=currentMove; i<forwardMostMove; i++) {
15273 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
15274 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
15275 strcat(buf, moveBuf);
15276 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
15277 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
15281 for(i=1; i<=nrMoves; i++) { // copy last variation back
15282 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
15283 for(j=0; j<MOVE_LEN; j++)
15284 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
15285 for(j=0; j<2*MOVE_LEN; j++)
15286 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
15287 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
15288 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
15289 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
15290 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
15291 commentList[currentMove+i] = commentList[framePtr+i];
15292 commentList[framePtr+i] = NULL;
15294 if(annotate) AppendComment(currentMove+1, buf, FALSE);
15295 framePtr = savedFramePtr[storedGames];
15296 gameInfo.result = savedResult[storedGames];
15297 if(gameInfo.resultDetails != NULL) {
15298 free(gameInfo.resultDetails);
15300 gameInfo.resultDetails = savedDetails[storedGames];
15301 forwardMostMove = currentMove + nrMoves;
15302 if(storedGames == 0) GreyRevert(TRUE);
15308 { // remove all shelved variations
15310 for(i=0; i<storedGames; i++) {
15311 if(savedDetails[i])
15312 free(savedDetails[i]);
15313 savedDetails[i] = NULL;
15315 for(i=framePtr; i<MAX_MOVES; i++) {
15316 if(commentList[i]) free(commentList[i]);
15317 commentList[i] = NULL;
15319 framePtr = MAX_MOVES-1;
15324 LoadVariation(int index, char *text)
15325 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
15326 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
15327 int level = 0, move;
15329 if(gameMode != EditGame && gameMode != AnalyzeMode) return;
15330 // first find outermost bracketing variation
15331 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
15332 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
15333 if(*p == '{') wait = '}'; else
15334 if(*p == '[') wait = ']'; else
15335 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
15336 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
15338 if(*p == wait) wait = NULLCHAR; // closing ]} found
15341 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
15342 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
15343 end[1] = NULLCHAR; // clip off comment beyond variation
15344 ToNrEvent(currentMove-1);
15345 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
15346 // kludge: use ParsePV() to append variation to game
15347 move = currentMove;
15348 ParsePV(start, TRUE);
15349 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
15350 ClearPremoveHighlights();
15352 ToNrEvent(currentMove+1);