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 PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6167 /* If we need the chess program but it's dead, restart it */
6168 ResurrectChessProgram();
6170 /* A user move restarts a paused game*/
6174 thinkOutput[0] = NULLCHAR;
6176 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6178 if(Adjudicate(NULL)) return 1; // [HGM] adjudicate: take care of automtic game end
6180 if (gameMode == BeginningOfGame) {
6181 if (appData.noChessProgram) {
6182 gameMode = EditGame;
6186 gameMode = MachinePlaysBlack;
6189 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
6191 if (first.sendName) {
6192 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6193 SendToProgram(buf, &first);
6200 /* Relay move to ICS or chess engine */
6201 if (appData.icsActive) {
6202 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6203 gameMode == IcsExamining) {
6204 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6205 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6207 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6209 // also send plain move, in case ICS does not understand atomic claims
6210 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6214 if (first.sendTime && (gameMode == BeginningOfGame ||
6215 gameMode == MachinePlaysWhite ||
6216 gameMode == MachinePlaysBlack)) {
6217 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6219 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6220 // [HGM] book: if program might be playing, let it use book
6221 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6222 first.maybeThinking = TRUE;
6223 } else SendMoveToProgram(forwardMostMove-1, &first);
6224 if (currentMove == cmailOldMove + 1) {
6225 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6229 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6233 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6239 if (WhiteOnMove(currentMove)) {
6240 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6242 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6246 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6251 case MachinePlaysBlack:
6252 case MachinePlaysWhite:
6253 /* disable certain menu options while machine is thinking */
6254 SetMachineThinkingEnables();
6261 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6263 if(bookHit) { // [HGM] book: simulate book reply
6264 static char bookMove[MSG_SIZ]; // a bit generous?
6266 programStats.nodes = programStats.depth = programStats.time =
6267 programStats.score = programStats.got_only_move = 0;
6268 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6270 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6271 strcat(bookMove, bookHit);
6272 HandleMachineMove(bookMove, &first);
6278 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6285 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6286 Markers *m = (Markers *) closure;
6287 if(rf == fromY && ff == fromX)
6288 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6289 || kind == WhiteCapturesEnPassant
6290 || kind == BlackCapturesEnPassant);
6291 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6295 MarkTargetSquares(int clear)
6298 if(!appData.markers || !appData.highlightDragging ||
6299 !appData.testLegality || gameMode == EditPosition) return;
6301 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6304 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker);
6305 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6306 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6308 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6311 DrawPosition(TRUE, NULL);
6314 void LeftClick(ClickType clickType, int xPix, int yPix)
6317 Boolean saveAnimate;
6318 static int second = 0, promotionChoice = 0, dragging = 0;
6319 char promoChoice = NULLCHAR;
6321 if(appData.seekGraph && appData.icsActive && loggedOn &&
6322 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6323 SeekGraphClick(clickType, xPix, yPix, 0);
6327 if (clickType == Press) ErrorPopDown();
6328 MarkTargetSquares(1);
6330 x = EventToSquare(xPix, BOARD_WIDTH);
6331 y = EventToSquare(yPix, BOARD_HEIGHT);
6332 if (!flipView && y >= 0) {
6333 y = BOARD_HEIGHT - 1 - y;
6335 if (flipView && x >= 0) {
6336 x = BOARD_WIDTH - 1 - x;
6339 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6340 if(clickType == Release) return; // ignore upclick of click-click destination
6341 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6342 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6343 if(gameInfo.holdingsWidth &&
6344 (WhiteOnMove(currentMove)
6345 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y > 0
6346 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT-1) ) {
6347 // click in right holdings, for determining promotion piece
6348 ChessSquare p = boards[currentMove][y][x];
6349 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6350 if(p != EmptySquare) {
6351 FinishMove(NormalMove, fromX, fromY, toX, toY, ToLower(PieceToChar(p)));
6356 DrawPosition(FALSE, boards[currentMove]);
6360 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6361 if(clickType == Press
6362 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6363 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6364 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6367 autoQueen = appData.alwaysPromoteToQueen;
6370 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE)) {
6371 if (clickType == Press) {
6373 if (OKToStartUserMove(x, y)) {
6377 MarkTargetSquares(0);
6378 DragPieceBegin(xPix, yPix); dragging = 1;
6379 if (appData.highlightDragging) {
6380 SetHighlights(x, y, -1, -1);
6383 } else if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6384 DragPieceEnd(xPix, yPix); dragging = 0;
6385 DrawPosition(FALSE, NULL);
6392 if (clickType == Press && gameMode != EditPosition) {
6397 // ignore off-board to clicks
6398 if(y < 0 || x < 0) return;
6400 /* Check if clicking again on the same color piece */
6401 fromP = boards[currentMove][fromY][fromX];
6402 toP = boards[currentMove][y][x];
6403 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom;
6404 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6405 WhitePawn <= toP && toP <= WhiteKing &&
6406 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6407 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6408 (BlackPawn <= fromP && fromP <= BlackKing &&
6409 BlackPawn <= toP && toP <= BlackKing &&
6410 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6411 !(fromP == BlackKing && toP == BlackRook && frc))) {
6412 /* Clicked again on same color piece -- changed his mind */
6413 second = (x == fromX && y == fromY);
6414 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6415 if (appData.highlightDragging) {
6416 SetHighlights(x, y, -1, -1);
6420 if (OKToStartUserMove(x, y)) {
6422 fromY = y; dragging = 1;
6423 MarkTargetSquares(0);
6424 DragPieceBegin(xPix, yPix);
6429 // ignore clicks on holdings
6430 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6433 if (clickType == Release && x == fromX && y == fromY) {
6434 DragPieceEnd(xPix, yPix); dragging = 0;
6435 if (appData.animateDragging) {
6436 /* Undo animation damage if any */
6437 DrawPosition(FALSE, NULL);
6440 /* Second up/down in same square; just abort move */
6445 ClearPremoveHighlights();
6447 /* First upclick in same square; start click-click mode */
6448 SetHighlights(x, y, -1, -1);
6453 /* we now have a different from- and (possibly off-board) to-square */
6454 /* Completed move */
6457 saveAnimate = appData.animate;
6458 if (clickType == Press) {
6459 /* Finish clickclick move */
6460 if (appData.animate || appData.highlightLastMove) {
6461 SetHighlights(fromX, fromY, toX, toY);
6466 /* Finish drag move */
6467 if (appData.highlightLastMove) {
6468 SetHighlights(fromX, fromY, toX, toY);
6472 DragPieceEnd(xPix, yPix); dragging = 0;
6473 /* Don't animate move and drag both */
6474 appData.animate = FALSE;
6477 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
6478 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
6479 ChessSquare piece = boards[currentMove][fromY][fromX];
6480 if(gameMode == EditPosition && piece != EmptySquare &&
6481 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
6484 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
6485 n = PieceToNumber(piece - (int)BlackPawn);
6486 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
6487 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
6488 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
6490 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
6491 n = PieceToNumber(piece);
6492 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
6493 boards[currentMove][n][BOARD_WIDTH-1] = piece;
6494 boards[currentMove][n][BOARD_WIDTH-2]++;
6496 boards[currentMove][fromY][fromX] = EmptySquare;
6500 DrawPosition(TRUE, boards[currentMove]);
6504 // off-board moves should not be highlighted
6505 if(x < 0 || x < 0) ClearHighlights();
6507 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
6508 SetHighlights(fromX, fromY, toX, toY);
6509 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6510 // [HGM] super: promotion to captured piece selected from holdings
6511 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
6512 promotionChoice = TRUE;
6513 // kludge follows to temporarily execute move on display, without promoting yet
6514 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
6515 boards[currentMove][toY][toX] = p;
6516 DrawPosition(FALSE, boards[currentMove]);
6517 boards[currentMove][fromY][fromX] = p; // take back, but display stays
6518 boards[currentMove][toY][toX] = q;
6519 DisplayMessage("Click in holdings to choose piece", "");
6524 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
6525 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
6526 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
6529 appData.animate = saveAnimate;
6530 if (appData.animate || appData.animateDragging) {
6531 /* Undo animation damage if needed */
6532 DrawPosition(FALSE, NULL);
6536 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
6537 { // front-end-free part taken out of PieceMenuPopup
6538 int whichMenu; int xSqr, ySqr;
6540 if(seekGraphUp) { // [HGM] seekgraph
6541 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
6542 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
6546 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
6547 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
6548 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
6549 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
6550 if(action == Press) {
6551 originalFlip = flipView;
6552 flipView = !flipView; // temporarily flip board to see game from partners perspective
6553 DrawPosition(TRUE, partnerBoard);
6554 DisplayMessage(partnerStatus, "");
6556 } else if(action == Release) {
6557 flipView = originalFlip;
6558 DrawPosition(TRUE, boards[currentMove]);
6564 xSqr = EventToSquare(x, BOARD_WIDTH);
6565 ySqr = EventToSquare(y, BOARD_HEIGHT);
6566 if (action == Release) UnLoadPV(); // [HGM] pv
6567 if (action != Press) return -2; // return code to be ignored
6570 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
\r
6572 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
\r
6573 if (xSqr < 0 || ySqr < 0) return -1;
\r
6574 whichMenu = 0; // edit-position menu
6577 if(!appData.icsEngineAnalyze) return -1;
6578 case IcsPlayingWhite:
6579 case IcsPlayingBlack:
6580 if(!appData.zippyPlay) goto noZip;
6583 case MachinePlaysWhite:
6584 case MachinePlaysBlack:
6585 case TwoMachinesPlay: // [HGM] pv: use for showing PV
6586 if (!appData.dropMenu) {
6588 return 2; // flag front-end to grab mouse events
6590 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
6591 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
6594 if (xSqr < 0 || ySqr < 0) return -1;
6595 if (!appData.dropMenu || appData.testLegality &&
6596 gameInfo.variant != VariantBughouse &&
6597 gameInfo.variant != VariantCrazyhouse) return -1;
6598 whichMenu = 1; // drop menu
6604 if (((*fromX = xSqr) < 0) ||
6605 ((*fromY = ySqr) < 0)) {
6606 *fromX = *fromY = -1;
6610 *fromX = BOARD_WIDTH - 1 - *fromX;
6612 *fromY = BOARD_HEIGHT - 1 - *fromY;
6617 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
6619 // char * hint = lastHint;
6620 FrontEndProgramStats stats;
6622 stats.which = cps == &first ? 0 : 1;
6623 stats.depth = cpstats->depth;
6624 stats.nodes = cpstats->nodes;
6625 stats.score = cpstats->score;
6626 stats.time = cpstats->time;
6627 stats.pv = cpstats->movelist;
6628 stats.hint = lastHint;
6629 stats.an_move_index = 0;
6630 stats.an_move_count = 0;
6632 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
6633 stats.hint = cpstats->move_name;
6634 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
6635 stats.an_move_count = cpstats->nr_moves;
6638 if(stats.pv && stats.pv[0]) safeStrCpy(lastPV[stats.which], stats.pv, sizeof(lastPV[stats.which])/sizeof(lastPV[stats.which][0])); // [HGM] pv: remember last PV of each
6640 SetProgramStats( &stats );
6644 Count(Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
6645 { // count all piece types
6647 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
6648 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
6649 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
6652 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
6653 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
6654 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
6655 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
6656 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
6657 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
6662 SufficientDefence(int pCnt[], int side, int nMine, int nHis)
6664 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
6665 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
6667 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
6668 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
6669 if(myPawns == 2 && nMine == 3) // KPP
6670 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
6671 if(myPawns == 1 && nMine == 2) // KP
6672 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
6673 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
6674 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
6675 if(myPawns) return FALSE;
6676 if(pCnt[WhiteRook+side])
6677 return pCnt[BlackRook-side] ||
6678 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
6679 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
6680 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
6681 if(pCnt[WhiteCannon+side]) {
6682 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
6683 return majorDefense || pCnt[BlackAlfil-side] >= 2;
6685 if(pCnt[WhiteKnight+side])
6686 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
6691 MatingPotential(int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
6693 VariantClass v = gameInfo.variant;
6695 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
6696 if(v == VariantShatranj) return TRUE; // always winnable through baring
6697 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
6698 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
6700 if(v == VariantXiangqi) {
6701 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
6703 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
6704 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
6705 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
6706 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
6707 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
6708 if(stale) // we have at least one last-rank P plus perhaps C
6709 return majors // KPKX
6710 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
6712 return pCnt[WhiteFerz+side] // KCAK
6713 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
6714 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
6715 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
6717 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
6718 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
6720 if(nMine == 1) return FALSE; // bare King
6721 if(nBishops && bisColor == 3) return TRUE; // There must be a second B/A/F, which can either block (his) or attack (mine) the escape square
6722 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
6723 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
6724 // by now we have King + 1 piece (or multiple Bishops on the same color)
6725 if(pCnt[WhiteKnight+side])
6726 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
6727 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
6728 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
6730 return (pCnt[BlackKnight-side]); // KBKN, KFKN
6731 if(pCnt[WhiteAlfil+side])
6732 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
6733 if(pCnt[WhiteWazir+side])
6734 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
6741 Adjudicate(ChessProgramState *cps)
6742 { // [HGM] some adjudications useful with buggy engines
6743 // [HGM] adjudicate: made into separate routine, which now can be called after every move
6744 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
6745 // Actually ending the game is now based on the additional internal condition canAdjudicate.
6746 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
6747 int k, count = 0; static int bare = 1;
6748 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
6749 Boolean canAdjudicate = !appData.icsActive;
6751 // most tests only when we understand the game, i.e. legality-checking on
6752 if( appData.testLegality )
6753 { /* [HGM] Some more adjudications for obstinate engines */
6754 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
6755 static int moveCount = 6;
6757 char *reason = NULL;
6759 /* Count what is on board. */
6760 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
6762 /* Some material-based adjudications that have to be made before stalemate test */
6763 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
6764 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
6765 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
6766 if(canAdjudicate && appData.checkMates) {
6768 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6769 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6770 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
6771 "Xboard adjudication: King destroyed", GE_XBOARD );
6776 /* Bare King in Shatranj (loses) or Losers (wins) */
6777 if( nrW == 1 || nrB == 1) {
6778 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
6779 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
6780 if(canAdjudicate && appData.checkMates) {
6782 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
6783 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6784 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6785 "Xboard adjudication: Bare king", GE_XBOARD );
6789 if( gameInfo.variant == VariantShatranj && --bare < 0)
6791 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
6792 if(canAdjudicate && appData.checkMates) {
6793 /* but only adjudicate if adjudication enabled */
6795 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6796 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6797 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
6798 "Xboard adjudication: Bare king", GE_XBOARD );
6805 // don't wait for engine to announce game end if we can judge ourselves
6806 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
6808 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
6809 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
6810 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
6811 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
6814 reason = "Xboard adjudication: 3rd check";
6815 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
6825 reason = "Xboard adjudication: Stalemate";
6826 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
6827 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
6828 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
6829 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
6830 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
6831 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
6832 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
6833 EP_CHECKMATE : EP_WINS);
6834 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
6835 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
6839 reason = "Xboard adjudication: Checkmate";
6840 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
6844 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
6846 result = GameIsDrawn; break;
6848 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
6850 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
6854 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
6856 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6857 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6858 GameEnds( result, reason, GE_XBOARD );
6862 /* Next absolutely insufficient mating material. */
6863 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
6864 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
6865 { /* includes KBK, KNK, KK of KBKB with like Bishops */
6867 /* always flag draws, for judging claims */
6868 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
6870 if(canAdjudicate && appData.materialDraws) {
6871 /* but only adjudicate them if adjudication enabled */
6872 if(engineOpponent) {
6873 SendToProgram("force\n", engineOpponent); // suppress reply
6874 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
6876 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6877 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
6882 /* Then some trivial draws (only adjudicate, cannot be claimed) */
6883 if(gameInfo.variant == VariantXiangqi ?
6884 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
6886 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
6887 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
6888 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
6889 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
6891 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
6892 { /* if the first 3 moves do not show a tactical win, declare draw */
6893 if(engineOpponent) {
6894 SendToProgram("force\n", engineOpponent); // suppress reply
6895 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6897 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6898 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
6901 } else moveCount = 6;
6903 if (appData.debugMode) { int i;
6904 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
6905 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
6906 appData.drawRepeats);
6907 for( i=forwardMostMove; i>=backwardMostMove; i-- )
6908 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
6912 // Repetition draws and 50-move rule can be applied independently of legality testing
6914 /* Check for rep-draws */
6916 for(k = forwardMostMove-2;
6917 k>=backwardMostMove && k>=forwardMostMove-100 &&
6918 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
6919 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
6922 if(CompareBoards(boards[k], boards[forwardMostMove])) {
6923 /* compare castling rights */
6924 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
6925 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
6926 rights++; /* King lost rights, while rook still had them */
6927 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
6928 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
6929 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
6930 rights++; /* but at least one rook lost them */
6932 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
6933 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
6935 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
6936 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
6937 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
6940 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
6941 && appData.drawRepeats > 1) {
6942 /* adjudicate after user-specified nr of repeats */
6943 int result = GameIsDrawn;
6944 char *details = "XBoard adjudication: repetition draw";
6945 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
6946 // [HGM] xiangqi: check for forbidden perpetuals
6947 int m, ourPerpetual = 1, hisPerpetual = 1;
6948 for(m=forwardMostMove; m>k; m-=2) {
6949 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
6950 ourPerpetual = 0; // the current mover did not always check
6951 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
6952 hisPerpetual = 0; // the opponent did not always check
6954 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
6955 ourPerpetual, hisPerpetual);
6956 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
6957 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
6958 details = "Xboard adjudication: perpetual checking";
6960 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
6961 break; // (or we would have caught him before). Abort repetition-checking loop.
6963 // Now check for perpetual chases
6964 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
6965 hisPerpetual = PerpetualChase(k, forwardMostMove);
6966 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
6967 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
6968 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
6969 details = "Xboard adjudication: perpetual chasing";
6971 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
6972 break; // Abort repetition-checking loop.
6974 // if neither of us is checking or chasing all the time, or both are, it is draw
6976 if(engineOpponent) {
6977 SendToProgram("force\n", engineOpponent); // suppress reply
6978 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6980 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6981 GameEnds( result, details, GE_XBOARD );
6984 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
6985 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
6989 /* Now we test for 50-move draws. Determine ply count */
6990 count = forwardMostMove;
6991 /* look for last irreversble move */
6992 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
6994 /* if we hit starting position, add initial plies */
6995 if( count == backwardMostMove )
6996 count -= initialRulePlies;
6997 count = forwardMostMove - count;
6998 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
6999 // adjust reversible move counter for checks in Xiangqi
7000 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7001 if(i < backwardMostMove) i = backwardMostMove;
7002 while(i <= forwardMostMove) {
7003 lastCheck = inCheck; // check evasion does not count
7004 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7005 if(inCheck || lastCheck) count--; // check does not count
7010 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7011 /* this is used to judge if draw claims are legal */
7012 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7013 if(engineOpponent) {
7014 SendToProgram("force\n", engineOpponent); // suppress reply
7015 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7017 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7018 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7022 /* if draw offer is pending, treat it as a draw claim
7023 * when draw condition present, to allow engines a way to
7024 * claim draws before making their move to avoid a race
7025 * condition occurring after their move
7027 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7029 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7030 p = "Draw claim: 50-move rule";
7031 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7032 p = "Draw claim: 3-fold repetition";
7033 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7034 p = "Draw claim: insufficient mating material";
7035 if( p != NULL && canAdjudicate) {
7036 if(engineOpponent) {
7037 SendToProgram("force\n", engineOpponent); // suppress reply
7038 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7040 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7041 GameEnds( GameIsDrawn, p, GE_XBOARD );
7046 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7047 if(engineOpponent) {
7048 SendToProgram("force\n", engineOpponent); // suppress reply
7049 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7051 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7052 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7058 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
7059 { // [HGM] book: this routine intercepts moves to simulate book replies
7060 char *bookHit = NULL;
7062 //first determine if the incoming move brings opponent into his book
7063 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7064 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7065 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7066 if(bookHit != NULL && !cps->bookSuspend) {
7067 // make sure opponent is not going to reply after receiving move to book position
7068 SendToProgram("force\n", cps);
7069 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7071 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7072 // now arrange restart after book miss
7074 // after a book hit we never send 'go', and the code after the call to this routine
7075 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7077 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), bookHit); // force book move into program supposed to play it
7078 SendToProgram(buf, cps);
7079 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7080 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7081 SendToProgram("go\n", cps);
7082 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7083 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7084 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7085 SendToProgram("go\n", cps);
7086 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7088 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7092 ChessProgramState *savedState;
7093 void DeferredBookMove(void)
7095 if(savedState->lastPing != savedState->lastPong)
7096 ScheduleDelayedEvent(DeferredBookMove, 10);
7098 HandleMachineMove(savedMessage, savedState);
7102 HandleMachineMove(message, cps)
7104 ChessProgramState *cps;
7106 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7107 char realname[MSG_SIZ];
7108 int fromX, fromY, toX, toY;
7117 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7119 * Kludge to ignore BEL characters
7121 while (*message == '\007') message++;
7124 * [HGM] engine debug message: ignore lines starting with '#' character
7126 if(cps->debug && *message == '#') return;
7129 * Look for book output
7131 if (cps == &first && bookRequested) {
7132 if (message[0] == '\t' || message[0] == ' ') {
7133 /* Part of the book output is here; append it */
7134 strcat(bookOutput, message);
7135 strcat(bookOutput, " \n");
7137 } else if (bookOutput[0] != NULLCHAR) {
7138 /* All of book output has arrived; display it */
7139 char *p = bookOutput;
7140 while (*p != NULLCHAR) {
7141 if (*p == '\t') *p = ' ';
7144 DisplayInformation(bookOutput);
7145 bookRequested = FALSE;
7146 /* Fall through to parse the current output */
7151 * Look for machine move.
7153 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7154 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7156 /* This method is only useful on engines that support ping */
7157 if (cps->lastPing != cps->lastPong) {
7158 if (gameMode == BeginningOfGame) {
7159 /* Extra move from before last new; ignore */
7160 if (appData.debugMode) {
7161 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7164 if (appData.debugMode) {
7165 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7166 cps->which, gameMode);
7169 SendToProgram("undo\n", cps);
7175 case BeginningOfGame:
7176 /* Extra move from before last reset; ignore */
7177 if (appData.debugMode) {
7178 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7185 /* Extra move after we tried to stop. The mode test is
7186 not a reliable way of detecting this problem, but it's
7187 the best we can do on engines that don't support ping.
7189 if (appData.debugMode) {
7190 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7191 cps->which, gameMode);
7193 SendToProgram("undo\n", cps);
7196 case MachinePlaysWhite:
7197 case IcsPlayingWhite:
7198 machineWhite = TRUE;
7201 case MachinePlaysBlack:
7202 case IcsPlayingBlack:
7203 machineWhite = FALSE;
7206 case TwoMachinesPlay:
7207 machineWhite = (cps->twoMachinesColor[0] == 'w');
7210 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7211 if (appData.debugMode) {
7213 "Ignoring move out of turn by %s, gameMode %d"
7214 ", forwardMost %d\n",
7215 cps->which, gameMode, forwardMostMove);
7220 if (appData.debugMode) { int f = forwardMostMove;
7221 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7222 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7223 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7225 if(cps->alphaRank) AlphaRank(machineMove, 4);
7226 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7227 &fromX, &fromY, &toX, &toY, &promoChar)) {
7228 /* Machine move could not be parsed; ignore it. */
7229 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7230 machineMove, cps->which);
7231 DisplayError(buf1, 0);
7232 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7233 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7234 if (gameMode == TwoMachinesPlay) {
7235 GameEnds(machineWhite ? BlackWins : WhiteWins,
7241 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7242 /* So we have to redo legality test with true e.p. status here, */
7243 /* to make sure an illegal e.p. capture does not slip through, */
7244 /* to cause a forfeit on a justified illegal-move complaint */
7245 /* of the opponent. */
7246 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7248 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7249 fromY, fromX, toY, toX, promoChar);
7250 if (appData.debugMode) {
7252 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7253 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7254 fprintf(debugFP, "castling rights\n");
7256 if(moveType == IllegalMove) {
7257 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7258 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7259 GameEnds(machineWhite ? BlackWins : WhiteWins,
7262 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7263 /* [HGM] Kludge to handle engines that send FRC-style castling
7264 when they shouldn't (like TSCP-Gothic) */
7266 case WhiteASideCastleFR:
7267 case BlackASideCastleFR:
7269 currentMoveString[2]++;
7271 case WhiteHSideCastleFR:
7272 case BlackHSideCastleFR:
7274 currentMoveString[2]--;
7276 default: ; // nothing to do, but suppresses warning of pedantic compilers
7279 hintRequested = FALSE;
7280 lastHint[0] = NULLCHAR;
7281 bookRequested = FALSE;
7282 /* Program may be pondering now */
7283 cps->maybeThinking = TRUE;
7284 if (cps->sendTime == 2) cps->sendTime = 1;
7285 if (cps->offeredDraw) cps->offeredDraw--;
7287 /* currentMoveString is set as a side-effect of ParseOneMove */
7288 safeStrCpy(machineMove, currentMoveString, sizeof(machineMove)/sizeof(machineMove[0]));
7289 strcat(machineMove, "\n");
7290 safeStrCpy(moveList[forwardMostMove], machineMove, sizeof(moveList[forwardMostMove])/sizeof(moveList[forwardMostMove][0]));
7292 /* [AS] Save move info*/
7293 pvInfoList[ forwardMostMove ].score = programStats.score;
7294 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7295 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7297 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7299 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7300 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7303 while( count < adjudicateLossPlies ) {
7304 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7307 score = -score; /* Flip score for winning side */
7310 if( score > adjudicateLossThreshold ) {
7317 if( count >= adjudicateLossPlies ) {
7318 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7320 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7321 "Xboard adjudication",
7328 if(Adjudicate(cps)) return; // [HGM] adjudicate: for all automatic game ends
7331 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7333 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7334 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7336 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7338 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7340 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
7341 char buf[3*MSG_SIZ];
7343 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
7344 programStats.score / 100.,
7346 programStats.time / 100.,
7347 (unsigned int)programStats.nodes,
7348 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
7349 programStats.movelist);
7351 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
7356 /* [AS] Clear stats for next move */
7357 ClearProgramStats();
7358 thinkOutput[0] = NULLCHAR;
7359 hiddenThinkOutputState = 0;
7362 if (gameMode == TwoMachinesPlay) {
7363 /* [HGM] relaying draw offers moved to after reception of move */
7364 /* and interpreting offer as claim if it brings draw condition */
7365 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
7366 SendToProgram("draw\n", cps->other);
7368 if (cps->other->sendTime) {
7369 SendTimeRemaining(cps->other,
7370 cps->other->twoMachinesColor[0] == 'w');
7372 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
7373 if (firstMove && !bookHit) {
7375 if (cps->other->useColors) {
7376 SendToProgram(cps->other->twoMachinesColor, cps->other);
7378 SendToProgram("go\n", cps->other);
7380 cps->other->maybeThinking = TRUE;
7383 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7385 if (!pausing && appData.ringBellAfterMoves) {
7390 * Reenable menu items that were disabled while
7391 * machine was thinking
7393 if (gameMode != TwoMachinesPlay)
7394 SetUserThinkingEnables();
7396 // [HGM] book: after book hit opponent has received move and is now in force mode
7397 // force the book reply into it, and then fake that it outputted this move by jumping
7398 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
7400 static char bookMove[MSG_SIZ]; // a bit generous?
7402 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7403 strcat(bookMove, bookHit);
7406 programStats.nodes = programStats.depth = programStats.time =
7407 programStats.score = programStats.got_only_move = 0;
7408 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7410 if(cps->lastPing != cps->lastPong) {
7411 savedMessage = message; // args for deferred call
7413 ScheduleDelayedEvent(DeferredBookMove, 10);
7422 /* Set special modes for chess engines. Later something general
7423 * could be added here; for now there is just one kludge feature,
7424 * needed because Crafty 15.10 and earlier don't ignore SIGINT
7425 * when "xboard" is given as an interactive command.
7427 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
7428 cps->useSigint = FALSE;
7429 cps->useSigterm = FALSE;
7431 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
7432 ParseFeatures(message+8, cps);
7433 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
7436 /* [HGM] Allow engine to set up a position. Don't ask me why one would
7437 * want this, I was asked to put it in, and obliged.
7439 if (!strncmp(message, "setboard ", 9)) {
7440 Board initial_position;
7442 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
7444 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
7445 DisplayError(_("Bad FEN received from engine"), 0);
7449 CopyBoard(boards[0], initial_position);
7450 initialRulePlies = FENrulePlies;
7451 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
7452 else gameMode = MachinePlaysBlack;
7453 DrawPosition(FALSE, boards[currentMove]);
7459 * Look for communication commands
7461 if (!strncmp(message, "telluser ", 9)) {
7462 EscapeExpand(message+9, message+9); // [HGM] esc: allow escape sequences in popup box
7463 DisplayNote(message + 9);
7466 if (!strncmp(message, "tellusererror ", 14)) {
7468 EscapeExpand(message+14, message+14); // [HGM] esc: allow escape sequences in popup box
7469 DisplayError(message + 14, 0);
7472 if (!strncmp(message, "tellopponent ", 13)) {
7473 if (appData.icsActive) {
7475 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
7479 DisplayNote(message + 13);
7483 if (!strncmp(message, "tellothers ", 11)) {
7484 if (appData.icsActive) {
7486 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
7492 if (!strncmp(message, "tellall ", 8)) {
7493 if (appData.icsActive) {
7495 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
7499 DisplayNote(message + 8);
7503 if (strncmp(message, "warning", 7) == 0) {
7504 /* Undocumented feature, use tellusererror in new code */
7505 DisplayError(message, 0);
7508 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
7509 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
7510 strcat(realname, " query");
7511 AskQuestion(realname, buf2, buf1, cps->pr);
7514 /* Commands from the engine directly to ICS. We don't allow these to be
7515 * sent until we are logged on. Crafty kibitzes have been known to
7516 * interfere with the login process.
7519 if (!strncmp(message, "tellics ", 8)) {
7520 SendToICS(message + 8);
7524 if (!strncmp(message, "tellicsnoalias ", 15)) {
7525 SendToICS(ics_prefix);
7526 SendToICS(message + 15);
7530 /* The following are for backward compatibility only */
7531 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
7532 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
7533 SendToICS(ics_prefix);
7539 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
7543 * If the move is illegal, cancel it and redraw the board.
7544 * Also deal with other error cases. Matching is rather loose
7545 * here to accommodate engines written before the spec.
7547 if (strncmp(message + 1, "llegal move", 11) == 0 ||
7548 strncmp(message, "Error", 5) == 0) {
7549 if (StrStr(message, "name") ||
7550 StrStr(message, "rating") || StrStr(message, "?") ||
7551 StrStr(message, "result") || StrStr(message, "board") ||
7552 StrStr(message, "bk") || StrStr(message, "computer") ||
7553 StrStr(message, "variant") || StrStr(message, "hint") ||
7554 StrStr(message, "random") || StrStr(message, "depth") ||
7555 StrStr(message, "accepted")) {
7558 if (StrStr(message, "protover")) {
7559 /* Program is responding to input, so it's apparently done
7560 initializing, and this error message indicates it is
7561 protocol version 1. So we don't need to wait any longer
7562 for it to initialize and send feature commands. */
7563 FeatureDone(cps, 1);
7564 cps->protocolVersion = 1;
7567 cps->maybeThinking = FALSE;
7569 if (StrStr(message, "draw")) {
7570 /* Program doesn't have "draw" command */
7571 cps->sendDrawOffers = 0;
7574 if (cps->sendTime != 1 &&
7575 (StrStr(message, "time") || StrStr(message, "otim"))) {
7576 /* Program apparently doesn't have "time" or "otim" command */
7580 if (StrStr(message, "analyze")) {
7581 cps->analysisSupport = FALSE;
7582 cps->analyzing = FALSE;
7584 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
7585 DisplayError(buf2, 0);
7588 if (StrStr(message, "(no matching move)st")) {
7589 /* Special kludge for GNU Chess 4 only */
7590 cps->stKludge = TRUE;
7591 SendTimeControl(cps, movesPerSession, timeControl,
7592 timeIncrement, appData.searchDepth,
7596 if (StrStr(message, "(no matching move)sd")) {
7597 /* Special kludge for GNU Chess 4 only */
7598 cps->sdKludge = TRUE;
7599 SendTimeControl(cps, movesPerSession, timeControl,
7600 timeIncrement, appData.searchDepth,
7604 if (!StrStr(message, "llegal")) {
7607 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7608 gameMode == IcsIdle) return;
7609 if (forwardMostMove <= backwardMostMove) return;
7610 if (pausing) PauseEvent();
7611 if(appData.forceIllegal) {
7612 // [HGM] illegal: machine refused move; force position after move into it
7613 SendToProgram("force\n", cps);
7614 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
7615 // we have a real problem now, as SendBoard will use the a2a3 kludge
7616 // when black is to move, while there might be nothing on a2 or black
7617 // might already have the move. So send the board as if white has the move.
7618 // But first we must change the stm of the engine, as it refused the last move
7619 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
7620 if(WhiteOnMove(forwardMostMove)) {
7621 SendToProgram("a7a6\n", cps); // for the engine black still had the move
7622 SendBoard(cps, forwardMostMove); // kludgeless board
7624 SendToProgram("a2a3\n", cps); // for the engine white still had the move
7625 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7626 SendBoard(cps, forwardMostMove+1); // kludgeless board
7628 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
7629 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
7630 gameMode == TwoMachinesPlay)
7631 SendToProgram("go\n", cps);
7634 if (gameMode == PlayFromGameFile) {
7635 /* Stop reading this game file */
7636 gameMode = EditGame;
7639 currentMove = forwardMostMove-1;
7640 DisplayMove(currentMove-1); /* before DisplayMoveError */
7641 SwitchClocks(forwardMostMove-1); // [HGM] race
7642 DisplayBothClocks();
7643 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
7644 parseList[currentMove], cps->which);
7645 DisplayMoveError(buf1);
7646 DrawPosition(FALSE, boards[currentMove]);
7648 /* [HGM] illegal-move claim should forfeit game when Xboard */
7649 /* only passes fully legal moves */
7650 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
7651 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
7652 "False illegal-move claim", GE_XBOARD );
7656 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
7657 /* Program has a broken "time" command that
7658 outputs a string not ending in newline.
7664 * If chess program startup fails, exit with an error message.
7665 * Attempts to recover here are futile.
7667 if ((StrStr(message, "unknown host") != NULL)
7668 || (StrStr(message, "No remote directory") != NULL)
7669 || (StrStr(message, "not found") != NULL)
7670 || (StrStr(message, "No such file") != NULL)
7671 || (StrStr(message, "can't alloc") != NULL)
7672 || (StrStr(message, "Permission denied") != NULL)) {
7674 cps->maybeThinking = FALSE;
7675 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
7676 cps->which, cps->program, cps->host, message);
7677 RemoveInputSource(cps->isr);
7678 DisplayFatalError(buf1, 0, 1);
7683 * Look for hint output
7685 if (sscanf(message, "Hint: %s", buf1) == 1) {
7686 if (cps == &first && hintRequested) {
7687 hintRequested = FALSE;
7688 if (ParseOneMove(buf1, forwardMostMove, &moveType,
7689 &fromX, &fromY, &toX, &toY, &promoChar)) {
7690 (void) CoordsToAlgebraic(boards[forwardMostMove],
7691 PosFlags(forwardMostMove),
7692 fromY, fromX, toY, toX, promoChar, buf1);
7693 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
7694 DisplayInformation(buf2);
7696 /* Hint move could not be parsed!? */
7697 snprintf(buf2, sizeof(buf2),
7698 _("Illegal hint move \"%s\"\nfrom %s chess program"),
7700 DisplayError(buf2, 0);
7703 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
7709 * Ignore other messages if game is not in progress
7711 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7712 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
7715 * look for win, lose, draw, or draw offer
7717 if (strncmp(message, "1-0", 3) == 0) {
7718 char *p, *q, *r = "";
7719 p = strchr(message, '{');
7727 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
7729 } else if (strncmp(message, "0-1", 3) == 0) {
7730 char *p, *q, *r = "";
7731 p = strchr(message, '{');
7739 /* Kludge for Arasan 4.1 bug */
7740 if (strcmp(r, "Black resigns") == 0) {
7741 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
7744 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
7746 } else if (strncmp(message, "1/2", 3) == 0) {
7747 char *p, *q, *r = "";
7748 p = strchr(message, '{');
7757 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
7760 } else if (strncmp(message, "White resign", 12) == 0) {
7761 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7763 } else if (strncmp(message, "Black resign", 12) == 0) {
7764 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7766 } else if (strncmp(message, "White matches", 13) == 0 ||
7767 strncmp(message, "Black matches", 13) == 0 ) {
7768 /* [HGM] ignore GNUShogi noises */
7770 } else if (strncmp(message, "White", 5) == 0 &&
7771 message[5] != '(' &&
7772 StrStr(message, "Black") == NULL) {
7773 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7775 } else if (strncmp(message, "Black", 5) == 0 &&
7776 message[5] != '(') {
7777 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7779 } else if (strcmp(message, "resign") == 0 ||
7780 strcmp(message, "computer resigns") == 0) {
7782 case MachinePlaysBlack:
7783 case IcsPlayingBlack:
7784 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
7786 case MachinePlaysWhite:
7787 case IcsPlayingWhite:
7788 GameEnds(BlackWins, "White resigns", GE_ENGINE);
7790 case TwoMachinesPlay:
7791 if (cps->twoMachinesColor[0] == 'w')
7792 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7794 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7801 } else if (strncmp(message, "opponent mates", 14) == 0) {
7803 case MachinePlaysBlack:
7804 case IcsPlayingBlack:
7805 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7807 case MachinePlaysWhite:
7808 case IcsPlayingWhite:
7809 GameEnds(BlackWins, "Black mates", GE_ENGINE);
7811 case TwoMachinesPlay:
7812 if (cps->twoMachinesColor[0] == 'w')
7813 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7815 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7822 } else if (strncmp(message, "computer mates", 14) == 0) {
7824 case MachinePlaysBlack:
7825 case IcsPlayingBlack:
7826 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
7828 case MachinePlaysWhite:
7829 case IcsPlayingWhite:
7830 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7832 case TwoMachinesPlay:
7833 if (cps->twoMachinesColor[0] == 'w')
7834 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7836 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7843 } else if (strncmp(message, "checkmate", 9) == 0) {
7844 if (WhiteOnMove(forwardMostMove)) {
7845 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7847 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7850 } else if (strstr(message, "Draw") != NULL ||
7851 strstr(message, "game is a draw") != NULL) {
7852 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
7854 } else if (strstr(message, "offer") != NULL &&
7855 strstr(message, "draw") != NULL) {
7857 if (appData.zippyPlay && first.initDone) {
7858 /* Relay offer to ICS */
7859 SendToICS(ics_prefix);
7860 SendToICS("draw\n");
7863 cps->offeredDraw = 2; /* valid until this engine moves twice */
7864 if (gameMode == TwoMachinesPlay) {
7865 if (cps->other->offeredDraw) {
7866 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7867 /* [HGM] in two-machine mode we delay relaying draw offer */
7868 /* until after we also have move, to see if it is really claim */
7870 } else if (gameMode == MachinePlaysWhite ||
7871 gameMode == MachinePlaysBlack) {
7872 if (userOfferedDraw) {
7873 DisplayInformation(_("Machine accepts your draw offer"));
7874 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7876 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
7883 * Look for thinking output
7885 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
7886 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7888 int plylev, mvleft, mvtot, curscore, time;
7889 char mvname[MOVE_LEN];
7893 int prefixHint = FALSE;
7894 mvname[0] = NULLCHAR;
7897 case MachinePlaysBlack:
7898 case IcsPlayingBlack:
7899 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7901 case MachinePlaysWhite:
7902 case IcsPlayingWhite:
7903 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7908 case IcsObserving: /* [DM] icsEngineAnalyze */
7909 if (!appData.icsEngineAnalyze) ignore = TRUE;
7911 case TwoMachinesPlay:
7912 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
7922 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
7924 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7925 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
7927 if (plyext != ' ' && plyext != '\t') {
7931 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7932 if( cps->scoreIsAbsolute &&
7933 ( gameMode == MachinePlaysBlack ||
7934 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
7935 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
7936 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
7937 !WhiteOnMove(currentMove)
7940 curscore = -curscore;
7944 tempStats.depth = plylev;
7945 tempStats.nodes = nodes;
7946 tempStats.time = time;
7947 tempStats.score = curscore;
7948 tempStats.got_only_move = 0;
7950 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
7953 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
7954 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
7955 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
7956 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
7957 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
7958 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
7959 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
7960 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
7963 /* Buffer overflow protection */
7964 if (buf1[0] != NULLCHAR) {
7965 if (strlen(buf1) >= sizeof(tempStats.movelist)
7966 && appData.debugMode) {
7968 "PV is too long; using the first %u bytes.\n",
7969 (unsigned) sizeof(tempStats.movelist) - 1);
7972 safeStrCpy( tempStats.movelist, buf1, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
7974 sprintf(tempStats.movelist, " no PV\n");
7977 if (tempStats.seen_stat) {
7978 tempStats.ok_to_send = 1;
7981 if (strchr(tempStats.movelist, '(') != NULL) {
7982 tempStats.line_is_book = 1;
7983 tempStats.nr_moves = 0;
7984 tempStats.moves_left = 0;
7986 tempStats.line_is_book = 0;
7989 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
7990 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
7992 SendProgramStatsToFrontend( cps, &tempStats );
7995 [AS] Protect the thinkOutput buffer from overflow... this
7996 is only useful if buf1 hasn't overflowed first!
7998 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8000 (gameMode == TwoMachinesPlay ?
8001 ToUpper(cps->twoMachinesColor[0]) : ' '),
8002 ((double) curscore) / 100.0,
8003 prefixHint ? lastHint : "",
8004 prefixHint ? " " : "" );
8006 if( buf1[0] != NULLCHAR ) {
8007 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8009 if( strlen(buf1) > max_len ) {
8010 if( appData.debugMode) {
8011 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8013 buf1[max_len+1] = '\0';
8016 strcat( thinkOutput, buf1 );
8019 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8020 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8021 DisplayMove(currentMove - 1);
8025 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8026 /* crafty (9.25+) says "(only move) <move>"
8027 * if there is only 1 legal move
8029 sscanf(p, "(only move) %s", buf1);
8030 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8031 sprintf(programStats.movelist, "%s (only move)", buf1);
8032 programStats.depth = 1;
8033 programStats.nr_moves = 1;
8034 programStats.moves_left = 1;
8035 programStats.nodes = 1;
8036 programStats.time = 1;
8037 programStats.got_only_move = 1;
8039 /* Not really, but we also use this member to
8040 mean "line isn't going to change" (Crafty
8041 isn't searching, so stats won't change) */
8042 programStats.line_is_book = 1;
8044 SendProgramStatsToFrontend( cps, &programStats );
8046 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8047 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8048 DisplayMove(currentMove - 1);
8051 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8052 &time, &nodes, &plylev, &mvleft,
8053 &mvtot, mvname) >= 5) {
8054 /* The stat01: line is from Crafty (9.29+) in response
8055 to the "." command */
8056 programStats.seen_stat = 1;
8057 cps->maybeThinking = TRUE;
8059 if (programStats.got_only_move || !appData.periodicUpdates)
8062 programStats.depth = plylev;
8063 programStats.time = time;
8064 programStats.nodes = nodes;
8065 programStats.moves_left = mvleft;
8066 programStats.nr_moves = mvtot;
8067 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8068 programStats.ok_to_send = 1;
8069 programStats.movelist[0] = '\0';
8071 SendProgramStatsToFrontend( cps, &programStats );
8075 } else if (strncmp(message,"++",2) == 0) {
8076 /* Crafty 9.29+ outputs this */
8077 programStats.got_fail = 2;
8080 } else if (strncmp(message,"--",2) == 0) {
8081 /* Crafty 9.29+ outputs this */
8082 programStats.got_fail = 1;
8085 } else if (thinkOutput[0] != NULLCHAR &&
8086 strncmp(message, " ", 4) == 0) {
8087 unsigned message_len;
8090 while (*p && *p == ' ') p++;
8092 message_len = strlen( p );
8094 /* [AS] Avoid buffer overflow */
8095 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8096 strcat(thinkOutput, " ");
8097 strcat(thinkOutput, p);
8100 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8101 strcat(programStats.movelist, " ");
8102 strcat(programStats.movelist, p);
8105 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8106 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8107 DisplayMove(currentMove - 1);
8115 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8116 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8118 ChessProgramStats cpstats;
8120 if (plyext != ' ' && plyext != '\t') {
8124 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8125 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8126 curscore = -curscore;
8129 cpstats.depth = plylev;
8130 cpstats.nodes = nodes;
8131 cpstats.time = time;
8132 cpstats.score = curscore;
8133 cpstats.got_only_move = 0;
8134 cpstats.movelist[0] = '\0';
8136 if (buf1[0] != NULLCHAR) {
8137 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8140 cpstats.ok_to_send = 0;
8141 cpstats.line_is_book = 0;
8142 cpstats.nr_moves = 0;
8143 cpstats.moves_left = 0;
8145 SendProgramStatsToFrontend( cps, &cpstats );
8152 /* Parse a game score from the character string "game", and
8153 record it as the history of the current game. The game
8154 score is NOT assumed to start from the standard position.
8155 The display is not updated in any way.
8158 ParseGameHistory(game)
8162 int fromX, fromY, toX, toY, boardIndex;
8167 if (appData.debugMode)
8168 fprintf(debugFP, "Parsing game history: %s\n", game);
8170 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8171 gameInfo.site = StrSave(appData.icsHost);
8172 gameInfo.date = PGNDate();
8173 gameInfo.round = StrSave("-");
8175 /* Parse out names of players */
8176 while (*game == ' ') game++;
8178 while (*game != ' ') *p++ = *game++;
8180 gameInfo.white = StrSave(buf);
8181 while (*game == ' ') game++;
8183 while (*game != ' ' && *game != '\n') *p++ = *game++;
8185 gameInfo.black = StrSave(buf);
8188 boardIndex = blackPlaysFirst ? 1 : 0;
8191 yyboardindex = boardIndex;
8192 moveType = (ChessMove) yylex();
8194 case IllegalMove: /* maybe suicide chess, etc. */
8195 if (appData.debugMode) {
8196 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8197 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8198 setbuf(debugFP, NULL);
8200 case WhitePromotion:
8201 case BlackPromotion:
8202 case WhiteNonPromotion:
8203 case BlackNonPromotion:
8205 case WhiteCapturesEnPassant:
8206 case BlackCapturesEnPassant:
8207 case WhiteKingSideCastle:
8208 case WhiteQueenSideCastle:
8209 case BlackKingSideCastle:
8210 case BlackQueenSideCastle:
8211 case WhiteKingSideCastleWild:
8212 case WhiteQueenSideCastleWild:
8213 case BlackKingSideCastleWild:
8214 case BlackQueenSideCastleWild:
8216 case WhiteHSideCastleFR:
8217 case WhiteASideCastleFR:
8218 case BlackHSideCastleFR:
8219 case BlackASideCastleFR:
8221 fromX = currentMoveString[0] - AAA;
8222 fromY = currentMoveString[1] - ONE;
8223 toX = currentMoveString[2] - AAA;
8224 toY = currentMoveString[3] - ONE;
8225 promoChar = currentMoveString[4];
8229 fromX = moveType == WhiteDrop ?
8230 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8231 (int) CharToPiece(ToLower(currentMoveString[0]));
8233 toX = currentMoveString[2] - AAA;
8234 toY = currentMoveString[3] - ONE;
8235 promoChar = NULLCHAR;
8239 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8240 if (appData.debugMode) {
8241 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8242 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8243 setbuf(debugFP, NULL);
8245 DisplayError(buf, 0);
8247 case ImpossibleMove:
8249 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8250 if (appData.debugMode) {
8251 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8252 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8253 setbuf(debugFP, NULL);
8255 DisplayError(buf, 0);
8258 if (boardIndex < backwardMostMove) {
8259 /* Oops, gap. How did that happen? */
8260 DisplayError(_("Gap in move list"), 0);
8263 backwardMostMove = blackPlaysFirst ? 1 : 0;
8264 if (boardIndex > forwardMostMove) {
8265 forwardMostMove = boardIndex;
8269 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8270 strcat(parseList[boardIndex-1], " ");
8271 strcat(parseList[boardIndex-1], yy_text);
8283 case GameUnfinished:
8284 if (gameMode == IcsExamining) {
8285 if (boardIndex < backwardMostMove) {
8286 /* Oops, gap. How did that happen? */
8289 backwardMostMove = blackPlaysFirst ? 1 : 0;
8292 gameInfo.result = moveType;
8293 p = strchr(yy_text, '{');
8294 if (p == NULL) p = strchr(yy_text, '(');
8297 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8299 q = strchr(p, *p == '{' ? '}' : ')');
8300 if (q != NULL) *q = NULLCHAR;
8303 gameInfo.resultDetails = StrSave(p);
8306 if (boardIndex >= forwardMostMove &&
8307 !(gameMode == IcsObserving && ics_gamenum == -1)) {
8308 backwardMostMove = blackPlaysFirst ? 1 : 0;
8311 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
8312 fromY, fromX, toY, toX, promoChar,
8313 parseList[boardIndex]);
8314 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
8315 /* currentMoveString is set as a side-effect of yylex */
8316 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
8317 strcat(moveList[boardIndex], "\n");
8319 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
8320 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
8326 if(gameInfo.variant != VariantShogi)
8327 strcat(parseList[boardIndex - 1], "+");
8331 strcat(parseList[boardIndex - 1], "#");
8338 /* Apply a move to the given board */
8340 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
8341 int fromX, fromY, toX, toY;
8345 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
8346 int promoRank = gameInfo.variant == VariantMakruk ? 3 : 1;
8348 /* [HGM] compute & store e.p. status and castling rights for new position */
8349 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
8351 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
8352 oldEP = (signed char)board[EP_STATUS];
8353 board[EP_STATUS] = EP_NONE;
8355 if( board[toY][toX] != EmptySquare )
8356 board[EP_STATUS] = EP_CAPTURE;
8358 /* [HGM] In Shatranj and Courier all promotions are to Ferz */
8359 if((gameInfo.variant==VariantShatranj || gameInfo.variant==VariantCourier || gameInfo.variant == VariantMakruk)
8360 && promoChar != 0) promoChar = PieceToChar(WhiteFerz);
8362 if (fromY == DROP_RANK) {
8364 piece = board[toY][toX] = (ChessSquare) fromX;
8368 if( board[fromY][fromX] == WhitePawn ) {
8369 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8370 board[EP_STATUS] = EP_PAWN_MOVE;
8372 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
8373 gameInfo.variant != VariantBerolina || toX < fromX)
8374 board[EP_STATUS] = toX | berolina;
8375 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
8376 gameInfo.variant != VariantBerolina || toX > fromX)
8377 board[EP_STATUS] = toX;
8380 if( board[fromY][fromX] == BlackPawn ) {
8381 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8382 board[EP_STATUS] = EP_PAWN_MOVE;
8383 if( toY-fromY== -2) {
8384 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
8385 gameInfo.variant != VariantBerolina || toX < fromX)
8386 board[EP_STATUS] = toX | berolina;
8387 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
8388 gameInfo.variant != VariantBerolina || toX > fromX)
8389 board[EP_STATUS] = toX;
8393 for(i=0; i<nrCastlingRights; i++) {
8394 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
8395 board[CASTLING][i] == toX && castlingRank[i] == toY
8396 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
8399 if (fromX == toX && fromY == toY) return;
8401 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
8402 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
8403 if(gameInfo.variant == VariantKnightmate)
8404 king += (int) WhiteUnicorn - (int) WhiteKing;
8406 /* Code added by Tord: */
8407 /* FRC castling assumed when king captures friendly rook. */
8408 if (board[fromY][fromX] == WhiteKing &&
8409 board[toY][toX] == WhiteRook) {
8410 board[fromY][fromX] = EmptySquare;
8411 board[toY][toX] = EmptySquare;
8413 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
8415 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
8417 } else if (board[fromY][fromX] == BlackKing &&
8418 board[toY][toX] == BlackRook) {
8419 board[fromY][fromX] = EmptySquare;
8420 board[toY][toX] = EmptySquare;
8422 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
8424 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
8426 /* End of code added by Tord */
8428 } else if (board[fromY][fromX] == king
8429 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8430 && toY == fromY && toX > fromX+1) {
8431 board[fromY][fromX] = EmptySquare;
8432 board[toY][toX] = king;
8433 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8434 board[fromY][BOARD_RGHT-1] = EmptySquare;
8435 } else if (board[fromY][fromX] == king
8436 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8437 && toY == fromY && toX < fromX-1) {
8438 board[fromY][fromX] = EmptySquare;
8439 board[toY][toX] = king;
8440 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8441 board[fromY][BOARD_LEFT] = EmptySquare;
8442 } else if (board[fromY][fromX] == WhitePawn
8443 && toY >= BOARD_HEIGHT-promoRank
8444 && gameInfo.variant != VariantXiangqi
8446 /* white pawn promotion */
8447 board[toY][toX] = CharToPiece(ToUpper(promoChar));
8448 if (board[toY][toX] == EmptySquare) {
8449 board[toY][toX] = WhiteQueen;
8451 if(gameInfo.variant==VariantBughouse ||
8452 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8453 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8454 board[fromY][fromX] = EmptySquare;
8455 } else if ((fromY == BOARD_HEIGHT-4)
8457 && gameInfo.variant != VariantXiangqi
8458 && gameInfo.variant != VariantBerolina
8459 && (board[fromY][fromX] == WhitePawn)
8460 && (board[toY][toX] == EmptySquare)) {
8461 board[fromY][fromX] = EmptySquare;
8462 board[toY][toX] = WhitePawn;
8463 captured = board[toY - 1][toX];
8464 board[toY - 1][toX] = EmptySquare;
8465 } else if ((fromY == BOARD_HEIGHT-4)
8467 && gameInfo.variant == VariantBerolina
8468 && (board[fromY][fromX] == WhitePawn)
8469 && (board[toY][toX] == EmptySquare)) {
8470 board[fromY][fromX] = EmptySquare;
8471 board[toY][toX] = WhitePawn;
8472 if(oldEP & EP_BEROLIN_A) {
8473 captured = board[fromY][fromX-1];
8474 board[fromY][fromX-1] = EmptySquare;
8475 }else{ captured = board[fromY][fromX+1];
8476 board[fromY][fromX+1] = EmptySquare;
8478 } else if (board[fromY][fromX] == king
8479 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8480 && toY == fromY && toX > fromX+1) {
8481 board[fromY][fromX] = EmptySquare;
8482 board[toY][toX] = king;
8483 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8484 board[fromY][BOARD_RGHT-1] = EmptySquare;
8485 } else if (board[fromY][fromX] == king
8486 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8487 && toY == fromY && toX < fromX-1) {
8488 board[fromY][fromX] = EmptySquare;
8489 board[toY][toX] = king;
8490 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8491 board[fromY][BOARD_LEFT] = EmptySquare;
8492 } else if (fromY == 7 && fromX == 3
8493 && board[fromY][fromX] == BlackKing
8494 && toY == 7 && toX == 5) {
8495 board[fromY][fromX] = EmptySquare;
8496 board[toY][toX] = BlackKing;
8497 board[fromY][7] = EmptySquare;
8498 board[toY][4] = BlackRook;
8499 } else if (fromY == 7 && fromX == 3
8500 && board[fromY][fromX] == BlackKing
8501 && toY == 7 && toX == 1) {
8502 board[fromY][fromX] = EmptySquare;
8503 board[toY][toX] = BlackKing;
8504 board[fromY][0] = EmptySquare;
8505 board[toY][2] = BlackRook;
8506 } else if (board[fromY][fromX] == BlackPawn
8508 && gameInfo.variant != VariantXiangqi
8510 /* black pawn promotion */
8511 board[toY][toX] = CharToPiece(ToLower(promoChar));
8512 if (board[toY][toX] == EmptySquare) {
8513 board[toY][toX] = BlackQueen;
8515 if(gameInfo.variant==VariantBughouse ||
8516 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8517 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8518 board[fromY][fromX] = EmptySquare;
8519 } else if ((fromY == 3)
8521 && gameInfo.variant != VariantXiangqi
8522 && gameInfo.variant != VariantBerolina
8523 && (board[fromY][fromX] == BlackPawn)
8524 && (board[toY][toX] == EmptySquare)) {
8525 board[fromY][fromX] = EmptySquare;
8526 board[toY][toX] = BlackPawn;
8527 captured = board[toY + 1][toX];
8528 board[toY + 1][toX] = EmptySquare;
8529 } else if ((fromY == 3)
8531 && gameInfo.variant == VariantBerolina
8532 && (board[fromY][fromX] == BlackPawn)
8533 && (board[toY][toX] == EmptySquare)) {
8534 board[fromY][fromX] = EmptySquare;
8535 board[toY][toX] = BlackPawn;
8536 if(oldEP & EP_BEROLIN_A) {
8537 captured = board[fromY][fromX-1];
8538 board[fromY][fromX-1] = EmptySquare;
8539 }else{ captured = board[fromY][fromX+1];
8540 board[fromY][fromX+1] = EmptySquare;
8543 board[toY][toX] = board[fromY][fromX];
8544 board[fromY][fromX] = EmptySquare;
8548 if (gameInfo.holdingsWidth != 0) {
8550 /* !!A lot more code needs to be written to support holdings */
8551 /* [HGM] OK, so I have written it. Holdings are stored in the */
8552 /* penultimate board files, so they are automaticlly stored */
8553 /* in the game history. */
8554 if (fromY == DROP_RANK) {
8555 /* Delete from holdings, by decreasing count */
8556 /* and erasing image if necessary */
8558 if(p < (int) BlackPawn) { /* white drop */
8559 p -= (int)WhitePawn;
8560 p = PieceToNumber((ChessSquare)p);
8561 if(p >= gameInfo.holdingsSize) p = 0;
8562 if(--board[p][BOARD_WIDTH-2] <= 0)
8563 board[p][BOARD_WIDTH-1] = EmptySquare;
8564 if((int)board[p][BOARD_WIDTH-2] < 0)
8565 board[p][BOARD_WIDTH-2] = 0;
8566 } else { /* black drop */
8567 p -= (int)BlackPawn;
8568 p = PieceToNumber((ChessSquare)p);
8569 if(p >= gameInfo.holdingsSize) p = 0;
8570 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
8571 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
8572 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
8573 board[BOARD_HEIGHT-1-p][1] = 0;
8576 if (captured != EmptySquare && gameInfo.holdingsSize > 0
8577 && gameInfo.variant != VariantBughouse ) {
8578 /* [HGM] holdings: Add to holdings, if holdings exist */
8579 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
8580 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
8581 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
8584 if (p >= (int) BlackPawn) {
8585 p -= (int)BlackPawn;
8586 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8587 /* in Shogi restore piece to its original first */
8588 captured = (ChessSquare) (DEMOTED captured);
8591 p = PieceToNumber((ChessSquare)p);
8592 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
8593 board[p][BOARD_WIDTH-2]++;
8594 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
8596 p -= (int)WhitePawn;
8597 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8598 captured = (ChessSquare) (DEMOTED captured);
8601 p = PieceToNumber((ChessSquare)p);
8602 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
8603 board[BOARD_HEIGHT-1-p][1]++;
8604 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
8607 } else if (gameInfo.variant == VariantAtomic) {
8608 if (captured != EmptySquare) {
8610 for (y = toY-1; y <= toY+1; y++) {
8611 for (x = toX-1; x <= toX+1; x++) {
8612 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
8613 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
8614 board[y][x] = EmptySquare;
8618 board[toY][toX] = EmptySquare;
8621 if(promoChar == '+') {
8622 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
8623 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8624 } else if(!appData.testLegality) { // without legality testing, unconditionally believe promoChar
8625 board[toY][toX] = CharToPiece(promoChar);
8627 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8628 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
8629 // [HGM] superchess: take promotion piece out of holdings
8630 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
8631 if((int)piece < (int)BlackPawn) { // determine stm from piece color
8632 if(!--board[k][BOARD_WIDTH-2])
8633 board[k][BOARD_WIDTH-1] = EmptySquare;
8635 if(!--board[BOARD_HEIGHT-1-k][1])
8636 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
8642 /* Updates forwardMostMove */
8644 MakeMove(fromX, fromY, toX, toY, promoChar)
8645 int fromX, fromY, toX, toY;
8648 // forwardMostMove++; // [HGM] bare: moved downstream
8650 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
8651 int timeLeft; static int lastLoadFlag=0; int king, piece;
8652 piece = boards[forwardMostMove][fromY][fromX];
8653 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
8654 if(gameInfo.variant == VariantKnightmate)
8655 king += (int) WhiteUnicorn - (int) WhiteKing;
8656 if(forwardMostMove == 0) {
8658 fprintf(serverMoves, "%s;", second.tidy);
8659 fprintf(serverMoves, "%s;", first.tidy);
8660 if(!blackPlaysFirst)
8661 fprintf(serverMoves, "%s;", second.tidy);
8662 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
8663 lastLoadFlag = loadFlag;
8665 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
8666 // print castling suffix
8667 if( toY == fromY && piece == king ) {
8669 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
8671 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
8674 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
8675 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
8676 boards[forwardMostMove][toY][toX] == EmptySquare
8677 && fromX != toX && fromY != toY)
8678 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
8680 if(promoChar != NULLCHAR)
8681 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
8683 fprintf(serverMoves, "/%d/%d",
8684 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
8685 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
8686 else timeLeft = blackTimeRemaining/1000;
8687 fprintf(serverMoves, "/%d", timeLeft);
8689 fflush(serverMoves);
8692 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
8693 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
8697 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
8698 if (commentList[forwardMostMove+1] != NULL) {
8699 free(commentList[forwardMostMove+1]);
8700 commentList[forwardMostMove+1] = NULL;
8702 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8703 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
8704 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
8705 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
8706 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
8707 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
8708 gameInfo.result = GameUnfinished;
8709 if (gameInfo.resultDetails != NULL) {
8710 free(gameInfo.resultDetails);
8711 gameInfo.resultDetails = NULL;
8713 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
8714 moveList[forwardMostMove - 1]);
8715 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
8716 PosFlags(forwardMostMove - 1),
8717 fromY, fromX, toY, toX, promoChar,
8718 parseList[forwardMostMove - 1]);
8719 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8725 if(gameInfo.variant != VariantShogi)
8726 strcat(parseList[forwardMostMove - 1], "+");
8730 strcat(parseList[forwardMostMove - 1], "#");
8733 if (appData.debugMode) {
8734 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
8739 /* Updates currentMove if not pausing */
8741 ShowMove(fromX, fromY, toX, toY)
8743 int instant = (gameMode == PlayFromGameFile) ?
8744 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
8745 if(appData.noGUI) return;
8746 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
8748 if (forwardMostMove == currentMove + 1) {
8749 AnimateMove(boards[forwardMostMove - 1],
8750 fromX, fromY, toX, toY);
8752 if (appData.highlightLastMove) {
8753 SetHighlights(fromX, fromY, toX, toY);
8756 currentMove = forwardMostMove;
8759 if (instant) return;
8761 DisplayMove(currentMove - 1);
8762 DrawPosition(FALSE, boards[currentMove]);
8763 DisplayBothClocks();
8764 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
8767 void SendEgtPath(ChessProgramState *cps)
8768 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
8769 char buf[MSG_SIZ], name[MSG_SIZ], *p;
8771 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
8774 char c, *q = name+1, *r, *s;
8776 name[0] = ','; // extract next format name from feature and copy with prefixed ','
8777 while(*p && *p != ',') *q++ = *p++;
8779 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
8780 strcmp(name, ",nalimov:") == 0 ) {
8781 // take nalimov path from the menu-changeable option first, if it is defined
8782 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
8783 SendToProgram(buf,cps); // send egtbpath command for nalimov
8785 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
8786 (s = StrStr(appData.egtFormats, name)) != NULL) {
8787 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
8788 s = r = StrStr(s, ":") + 1; // beginning of path info
8789 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
8790 c = *r; *r = 0; // temporarily null-terminate path info
8791 *--q = 0; // strip of trailig ':' from name
8792 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
8794 SendToProgram(buf,cps); // send egtbpath command for this format
8796 if(*p == ',') p++; // read away comma to position for next format name
8801 InitChessProgram(cps, setup)
8802 ChessProgramState *cps;
8803 int setup; /* [HGM] needed to setup FRC opening position */
8805 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
8806 if (appData.noChessProgram) return;
8807 hintRequested = FALSE;
8808 bookRequested = FALSE;
8810 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
8811 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
8812 if(cps->memSize) { /* [HGM] memory */
8813 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
8814 SendToProgram(buf, cps);
8816 SendEgtPath(cps); /* [HGM] EGT */
8817 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
8818 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
8819 SendToProgram(buf, cps);
8822 SendToProgram(cps->initString, cps);
8823 if (gameInfo.variant != VariantNormal &&
8824 gameInfo.variant != VariantLoadable
8825 /* [HGM] also send variant if board size non-standard */
8826 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
8828 char *v = VariantName(gameInfo.variant);
8829 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
8830 /* [HGM] in protocol 1 we have to assume all variants valid */
8831 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
8832 DisplayFatalError(buf, 0, 1);
8836 /* [HGM] make prefix for non-standard board size. Awkward testing... */
8837 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8838 if( gameInfo.variant == VariantXiangqi )
8839 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
8840 if( gameInfo.variant == VariantShogi )
8841 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
8842 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
8843 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
8844 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
8845 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
8846 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8847 if( gameInfo.variant == VariantCourier )
8848 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8849 if( gameInfo.variant == VariantSuper )
8850 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8851 if( gameInfo.variant == VariantGreat )
8852 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8855 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
8856 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
8857 /* [HGM] varsize: try first if this defiant size variant is specifically known */
8858 if(StrStr(cps->variants, b) == NULL) {
8859 // specific sized variant not known, check if general sizing allowed
8860 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
8861 if(StrStr(cps->variants, "boardsize") == NULL) {
8862 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
8863 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
8864 DisplayFatalError(buf, 0, 1);
8867 /* [HGM] here we really should compare with the maximum supported board size */
8870 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
8871 snprintf(buf, MSG_SIZ, "variant %s\n", b);
8872 SendToProgram(buf, cps);
8874 currentlyInitializedVariant = gameInfo.variant;
8876 /* [HGM] send opening position in FRC to first engine */
8878 SendToProgram("force\n", cps);
8880 /* engine is now in force mode! Set flag to wake it up after first move. */
8881 setboardSpoiledMachineBlack = 1;
8885 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
8886 SendToProgram(buf, cps);
8888 cps->maybeThinking = FALSE;
8889 cps->offeredDraw = 0;
8890 if (!appData.icsActive) {
8891 SendTimeControl(cps, movesPerSession, timeControl,
8892 timeIncrement, appData.searchDepth,
8895 if (appData.showThinking
8896 // [HGM] thinking: four options require thinking output to be sent
8897 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8899 SendToProgram("post\n", cps);
8901 SendToProgram("hard\n", cps);
8902 if (!appData.ponderNextMove) {
8903 /* Warning: "easy" is a toggle in GNU Chess, so don't send
8904 it without being sure what state we are in first. "hard"
8905 is not a toggle, so that one is OK.
8907 SendToProgram("easy\n", cps);
8910 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
8911 SendToProgram(buf, cps);
8913 cps->initDone = TRUE;
8918 StartChessProgram(cps)
8919 ChessProgramState *cps;
8924 if (appData.noChessProgram) return;
8925 cps->initDone = FALSE;
8927 if (strcmp(cps->host, "localhost") == 0) {
8928 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
8929 } else if (*appData.remoteShell == NULLCHAR) {
8930 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
8932 if (*appData.remoteUser == NULLCHAR) {
8933 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
8936 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
8937 cps->host, appData.remoteUser, cps->program);
8939 err = StartChildProcess(buf, "", &cps->pr);
8943 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
8944 DisplayFatalError(buf, err, 1);
8950 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
8951 if (cps->protocolVersion > 1) {
8952 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
8953 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
8954 cps->comboCnt = 0; // and values of combo boxes
8955 SendToProgram(buf, cps);
8957 SendToProgram("xboard\n", cps);
8963 TwoMachinesEventIfReady P((void))
8965 if (first.lastPing != first.lastPong) {
8966 DisplayMessage("", _("Waiting for first chess program"));
8967 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8970 if (second.lastPing != second.lastPong) {
8971 DisplayMessage("", _("Waiting for second chess program"));
8972 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8980 NextMatchGame P((void))
8982 int index; /* [HGM] autoinc: step load index during match */
8984 if (*appData.loadGameFile != NULLCHAR) {
8985 index = appData.loadGameIndex;
8986 if(index < 0) { // [HGM] autoinc
8987 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8988 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8990 LoadGameFromFile(appData.loadGameFile,
8992 appData.loadGameFile, FALSE);
8993 } else if (*appData.loadPositionFile != NULLCHAR) {
8994 index = appData.loadPositionIndex;
8995 if(index < 0) { // [HGM] autoinc
8996 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8997 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8999 LoadPositionFromFile(appData.loadPositionFile,
9001 appData.loadPositionFile);
9003 TwoMachinesEventIfReady();
9006 void UserAdjudicationEvent( int result )
9008 ChessMove gameResult = GameIsDrawn;
9011 gameResult = WhiteWins;
9013 else if( result < 0 ) {
9014 gameResult = BlackWins;
9017 if( gameMode == TwoMachinesPlay ) {
9018 GameEnds( gameResult, "User adjudication", GE_XBOARD );
9023 // [HGM] save: calculate checksum of game to make games easily identifiable
9024 int StringCheckSum(char *s)
9027 if(s==NULL) return 0;
9028 while(*s) i = i*259 + *s++;
9035 for(i=backwardMostMove; i<forwardMostMove; i++) {
9036 sum += pvInfoList[i].depth;
9037 sum += StringCheckSum(parseList[i]);
9038 sum += StringCheckSum(commentList[i]);
9041 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
9042 return sum + StringCheckSum(commentList[i]);
9043 } // end of save patch
9046 GameEnds(result, resultDetails, whosays)
9048 char *resultDetails;
9051 GameMode nextGameMode;
9053 char buf[MSG_SIZ], popupRequested = 0;
9055 if(endingGame) return; /* [HGM] crash: forbid recursion */
9057 if(twoBoards) { // [HGM] dual: switch back to one board
9058 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
9059 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
9061 if (appData.debugMode) {
9062 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
9063 result, resultDetails ? resultDetails : "(null)", whosays);
9066 fromX = fromY = -1; // [HGM] abort any move the user is entering.
9068 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
9069 /* If we are playing on ICS, the server decides when the
9070 game is over, but the engine can offer to draw, claim
9074 if (appData.zippyPlay && first.initDone) {
9075 if (result == GameIsDrawn) {
9076 /* In case draw still needs to be claimed */
9077 SendToICS(ics_prefix);
9078 SendToICS("draw\n");
9079 } else if (StrCaseStr(resultDetails, "resign")) {
9080 SendToICS(ics_prefix);
9081 SendToICS("resign\n");
9085 endingGame = 0; /* [HGM] crash */
9089 /* If we're loading the game from a file, stop */
9090 if (whosays == GE_FILE) {
9091 (void) StopLoadGameTimer();
9095 /* Cancel draw offers */
9096 first.offeredDraw = second.offeredDraw = 0;
9098 /* If this is an ICS game, only ICS can really say it's done;
9099 if not, anyone can. */
9100 isIcsGame = (gameMode == IcsPlayingWhite ||
9101 gameMode == IcsPlayingBlack ||
9102 gameMode == IcsObserving ||
9103 gameMode == IcsExamining);
9105 if (!isIcsGame || whosays == GE_ICS) {
9106 /* OK -- not an ICS game, or ICS said it was done */
9108 if (!isIcsGame && !appData.noChessProgram)
9109 SetUserThinkingEnables();
9111 /* [HGM] if a machine claims the game end we verify this claim */
9112 if(gameMode == TwoMachinesPlay && appData.testClaims) {
9113 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
9115 ChessMove trueResult = (ChessMove) -1;
9117 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
9118 first.twoMachinesColor[0] :
9119 second.twoMachinesColor[0] ;
9121 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
9122 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
9123 /* [HGM] verify: engine mate claims accepted if they were flagged */
9124 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
9126 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
9127 /* [HGM] verify: engine mate claims accepted if they were flagged */
9128 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
9130 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
9131 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
9134 // now verify win claims, but not in drop games, as we don't understand those yet
9135 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
9136 || gameInfo.variant == VariantGreat) &&
9137 (result == WhiteWins && claimer == 'w' ||
9138 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
9139 if (appData.debugMode) {
9140 fprintf(debugFP, "result=%d sp=%d move=%d\n",
9141 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
9143 if(result != trueResult) {
9144 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
9145 result = claimer == 'w' ? BlackWins : WhiteWins;
9146 resultDetails = buf;
9149 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
9150 && (forwardMostMove <= backwardMostMove ||
9151 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
9152 (claimer=='b')==(forwardMostMove&1))
9154 /* [HGM] verify: draws that were not flagged are false claims */
9155 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
9156 result = claimer == 'w' ? BlackWins : WhiteWins;
9157 resultDetails = buf;
9159 /* (Claiming a loss is accepted no questions asked!) */
9161 /* [HGM] bare: don't allow bare King to win */
9162 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
9163 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
9164 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
9165 && result != GameIsDrawn)
9166 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
9167 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
9168 int p = (signed char)boards[forwardMostMove][i][j] - color;
9169 if(p >= 0 && p <= (int)WhiteKing) k++;
9171 if (appData.debugMode) {
9172 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
9173 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
9176 result = GameIsDrawn;
9177 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
9178 resultDetails = buf;
9184 if(serverMoves != NULL && !loadFlag) { char c = '=';
9185 if(result==WhiteWins) c = '+';
9186 if(result==BlackWins) c = '-';
9187 if(resultDetails != NULL)
9188 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
9190 if (resultDetails != NULL) {
9191 gameInfo.result = result;
9192 gameInfo.resultDetails = StrSave(resultDetails);
9194 /* display last move only if game was not loaded from file */
9195 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
9196 DisplayMove(currentMove - 1);
9198 if (forwardMostMove != 0) {
9199 if (gameMode != PlayFromGameFile && gameMode != EditGame
9200 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
9202 if (*appData.saveGameFile != NULLCHAR) {
9203 SaveGameToFile(appData.saveGameFile, TRUE);
9204 } else if (appData.autoSaveGames) {
9207 if (*appData.savePositionFile != NULLCHAR) {
9208 SavePositionToFile(appData.savePositionFile);
9213 /* Tell program how game ended in case it is learning */
9214 /* [HGM] Moved this to after saving the PGN, just in case */
9215 /* engine died and we got here through time loss. In that */
9216 /* case we will get a fatal error writing the pipe, which */
9217 /* would otherwise lose us the PGN. */
9218 /* [HGM] crash: not needed anymore, but doesn't hurt; */
9219 /* output during GameEnds should never be fatal anymore */
9220 if (gameMode == MachinePlaysWhite ||
9221 gameMode == MachinePlaysBlack ||
9222 gameMode == TwoMachinesPlay ||
9223 gameMode == IcsPlayingWhite ||
9224 gameMode == IcsPlayingBlack ||
9225 gameMode == BeginningOfGame) {
9227 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
9229 if (first.pr != NoProc) {
9230 SendToProgram(buf, &first);
9232 if (second.pr != NoProc &&
9233 gameMode == TwoMachinesPlay) {
9234 SendToProgram(buf, &second);
9239 if (appData.icsActive) {
9240 if (appData.quietPlay &&
9241 (gameMode == IcsPlayingWhite ||
9242 gameMode == IcsPlayingBlack)) {
9243 SendToICS(ics_prefix);
9244 SendToICS("set shout 1\n");
9246 nextGameMode = IcsIdle;
9247 ics_user_moved = FALSE;
9248 /* clean up premove. It's ugly when the game has ended and the
9249 * premove highlights are still on the board.
9253 ClearPremoveHighlights();
9254 DrawPosition(FALSE, boards[currentMove]);
9256 if (whosays == GE_ICS) {
9259 if (gameMode == IcsPlayingWhite)
9261 else if(gameMode == IcsPlayingBlack)
9265 if (gameMode == IcsPlayingBlack)
9267 else if(gameMode == IcsPlayingWhite)
9274 PlayIcsUnfinishedSound();
9277 } else if (gameMode == EditGame ||
9278 gameMode == PlayFromGameFile ||
9279 gameMode == AnalyzeMode ||
9280 gameMode == AnalyzeFile) {
9281 nextGameMode = gameMode;
9283 nextGameMode = EndOfGame;
9288 nextGameMode = gameMode;
9291 if (appData.noChessProgram) {
9292 gameMode = nextGameMode;
9294 endingGame = 0; /* [HGM] crash */
9299 /* Put first chess program into idle state */
9300 if (first.pr != NoProc &&
9301 (gameMode == MachinePlaysWhite ||
9302 gameMode == MachinePlaysBlack ||
9303 gameMode == TwoMachinesPlay ||
9304 gameMode == IcsPlayingWhite ||
9305 gameMode == IcsPlayingBlack ||
9306 gameMode == BeginningOfGame)) {
9307 SendToProgram("force\n", &first);
9308 if (first.usePing) {
9310 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
9311 SendToProgram(buf, &first);
9314 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9315 /* Kill off first chess program */
9316 if (first.isr != NULL)
9317 RemoveInputSource(first.isr);
9320 if (first.pr != NoProc) {
9322 DoSleep( appData.delayBeforeQuit );
9323 SendToProgram("quit\n", &first);
9324 DoSleep( appData.delayAfterQuit );
9325 DestroyChildProcess(first.pr, first.useSigterm);
9330 /* Put second chess program into idle state */
9331 if (second.pr != NoProc &&
9332 gameMode == TwoMachinesPlay) {
9333 SendToProgram("force\n", &second);
9334 if (second.usePing) {
9336 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
9337 SendToProgram(buf, &second);
9340 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9341 /* Kill off second chess program */
9342 if (second.isr != NULL)
9343 RemoveInputSource(second.isr);
9346 if (second.pr != NoProc) {
9347 DoSleep( appData.delayBeforeQuit );
9348 SendToProgram("quit\n", &second);
9349 DoSleep( appData.delayAfterQuit );
9350 DestroyChildProcess(second.pr, second.useSigterm);
9355 if (matchMode && gameMode == TwoMachinesPlay) {
9358 if (first.twoMachinesColor[0] == 'w') {
9365 if (first.twoMachinesColor[0] == 'b') {
9374 if (matchGame < appData.matchGames) {
9376 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
9377 tmp = first.twoMachinesColor;
9378 first.twoMachinesColor = second.twoMachinesColor;
9379 second.twoMachinesColor = tmp;
9381 gameMode = nextGameMode;
9383 if(appData.matchPause>10000 || appData.matchPause<10)
9384 appData.matchPause = 10000; /* [HGM] make pause adjustable */
9385 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
9386 endingGame = 0; /* [HGM] crash */
9389 gameMode = nextGameMode;
9390 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
9391 first.tidy, second.tidy,
9392 first.matchWins, second.matchWins,
9393 appData.matchGames - (first.matchWins + second.matchWins));
9394 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
9397 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
9398 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
9400 gameMode = nextGameMode;
9402 endingGame = 0; /* [HGM] crash */
9403 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
9404 if(matchMode == TRUE) DisplayFatalError(buf, 0, 0); else {
9405 matchMode = FALSE; appData.matchGames = matchGame = 0;
9411 /* Assumes program was just initialized (initString sent).
9412 Leaves program in force mode. */
9414 FeedMovesToProgram(cps, upto)
9415 ChessProgramState *cps;
9420 if (appData.debugMode)
9421 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
9422 startedFromSetupPosition ? "position and " : "",
9423 backwardMostMove, upto, cps->which);
9424 if(currentlyInitializedVariant != gameInfo.variant) {
9426 // [HGM] variantswitch: make engine aware of new variant
9427 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
9428 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
9429 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
9430 SendToProgram(buf, cps);
9431 currentlyInitializedVariant = gameInfo.variant;
9433 SendToProgram("force\n", cps);
9434 if (startedFromSetupPosition) {
9435 SendBoard(cps, backwardMostMove);
9436 if (appData.debugMode) {
9437 fprintf(debugFP, "feedMoves\n");
9440 for (i = backwardMostMove; i < upto; i++) {
9441 SendMoveToProgram(i, cps);
9447 ResurrectChessProgram()
9449 /* The chess program may have exited.
9450 If so, restart it and feed it all the moves made so far. */
9452 if (appData.noChessProgram || first.pr != NoProc) return;
9454 StartChessProgram(&first);
9455 InitChessProgram(&first, FALSE);
9456 FeedMovesToProgram(&first, currentMove);
9458 if (!first.sendTime) {
9459 /* can't tell gnuchess what its clock should read,
9460 so we bow to its notion. */
9462 timeRemaining[0][currentMove] = whiteTimeRemaining;
9463 timeRemaining[1][currentMove] = blackTimeRemaining;
9466 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
9467 appData.icsEngineAnalyze) && first.analysisSupport) {
9468 SendToProgram("analyze\n", &first);
9469 first.analyzing = TRUE;
9482 if (appData.debugMode) {
9483 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
9484 redraw, init, gameMode);
9486 CleanupTail(); // [HGM] vari: delete any stored variations
9487 pausing = pauseExamInvalid = FALSE;
9488 startedFromSetupPosition = blackPlaysFirst = FALSE;
9490 whiteFlag = blackFlag = FALSE;
9491 userOfferedDraw = FALSE;
9492 hintRequested = bookRequested = FALSE;
9493 first.maybeThinking = FALSE;
9494 second.maybeThinking = FALSE;
9495 first.bookSuspend = FALSE; // [HGM] book
9496 second.bookSuspend = FALSE;
9497 thinkOutput[0] = NULLCHAR;
9498 lastHint[0] = NULLCHAR;
9499 ClearGameInfo(&gameInfo);
9500 gameInfo.variant = StringToVariant(appData.variant);
9501 ics_user_moved = ics_clock_paused = FALSE;
9502 ics_getting_history = H_FALSE;
9504 white_holding[0] = black_holding[0] = NULLCHAR;
9505 ClearProgramStats();
9506 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
9510 flipView = appData.flipView;
9511 ClearPremoveHighlights();
9513 alarmSounded = FALSE;
9515 GameEnds(EndOfFile, NULL, GE_PLAYER);
9516 if(appData.serverMovesName != NULL) {
9517 /* [HGM] prepare to make moves file for broadcasting */
9518 clock_t t = clock();
9519 if(serverMoves != NULL) fclose(serverMoves);
9520 serverMoves = fopen(appData.serverMovesName, "r");
9521 if(serverMoves != NULL) {
9522 fclose(serverMoves);
9523 /* delay 15 sec before overwriting, so all clients can see end */
9524 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
9526 serverMoves = fopen(appData.serverMovesName, "w");
9530 gameMode = BeginningOfGame;
9532 if(appData.icsActive) gameInfo.variant = VariantNormal;
9533 currentMove = forwardMostMove = backwardMostMove = 0;
9534 InitPosition(redraw);
9535 for (i = 0; i < MAX_MOVES; i++) {
9536 if (commentList[i] != NULL) {
9537 free(commentList[i]);
9538 commentList[i] = NULL;
9542 timeRemaining[0][0] = whiteTimeRemaining;
9543 timeRemaining[1][0] = blackTimeRemaining;
9544 if (first.pr == NULL) {
9545 StartChessProgram(&first);
9548 InitChessProgram(&first, startedFromSetupPosition);
9551 DisplayMessage("", "");
9552 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9553 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
9560 if (!AutoPlayOneMove())
9562 if (matchMode || appData.timeDelay == 0)
9564 if (appData.timeDelay < 0 || gameMode == AnalyzeFile)
9566 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
9575 int fromX, fromY, toX, toY;
9577 if (appData.debugMode) {
9578 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
9581 if (gameMode != PlayFromGameFile)
9584 if (currentMove >= forwardMostMove) {
9585 gameMode = EditGame;
9588 /* [AS] Clear current move marker at the end of a game */
9589 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
9594 toX = moveList[currentMove][2] - AAA;
9595 toY = moveList[currentMove][3] - ONE;
9597 if (moveList[currentMove][1] == '@') {
9598 if (appData.highlightLastMove) {
9599 SetHighlights(-1, -1, toX, toY);
9602 fromX = moveList[currentMove][0] - AAA;
9603 fromY = moveList[currentMove][1] - ONE;
9605 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
9607 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
9609 if (appData.highlightLastMove) {
9610 SetHighlights(fromX, fromY, toX, toY);
9613 DisplayMove(currentMove);
9614 SendMoveToProgram(currentMove++, &first);
9615 DisplayBothClocks();
9616 DrawPosition(FALSE, boards[currentMove]);
9617 // [HGM] PV info: always display, routine tests if empty
9618 DisplayComment(currentMove - 1, commentList[currentMove]);
9624 LoadGameOneMove(readAhead)
9625 ChessMove readAhead;
9627 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
9628 char promoChar = NULLCHAR;
9633 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
9634 gameMode != AnalyzeMode && gameMode != Training) {
9639 yyboardindex = forwardMostMove;
9640 if (readAhead != EndOfFile) {
9641 moveType = readAhead;
9643 if (gameFileFP == NULL)
9645 moveType = (ChessMove) yylex();
9651 if (appData.debugMode)
9652 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9655 /* append the comment but don't display it */
9656 AppendComment(currentMove, p, FALSE);
9659 case WhiteCapturesEnPassant:
9660 case BlackCapturesEnPassant:
9661 case WhitePromotion:
9662 case BlackPromotion:
9663 case WhiteNonPromotion:
9664 case BlackNonPromotion:
9666 case WhiteKingSideCastle:
9667 case WhiteQueenSideCastle:
9668 case BlackKingSideCastle:
9669 case BlackQueenSideCastle:
9670 case WhiteKingSideCastleWild:
9671 case WhiteQueenSideCastleWild:
9672 case BlackKingSideCastleWild:
9673 case BlackQueenSideCastleWild:
9675 case WhiteHSideCastleFR:
9676 case WhiteASideCastleFR:
9677 case BlackHSideCastleFR:
9678 case BlackASideCastleFR:
9680 if (appData.debugMode)
9681 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9682 fromX = currentMoveString[0] - AAA;
9683 fromY = currentMoveString[1] - ONE;
9684 toX = currentMoveString[2] - AAA;
9685 toY = currentMoveString[3] - ONE;
9686 promoChar = currentMoveString[4];
9691 if (appData.debugMode)
9692 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9693 fromX = moveType == WhiteDrop ?
9694 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9695 (int) CharToPiece(ToLower(currentMoveString[0]));
9697 toX = currentMoveString[2] - AAA;
9698 toY = currentMoveString[3] - ONE;
9704 case GameUnfinished:
9705 if (appData.debugMode)
9706 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
9707 p = strchr(yy_text, '{');
9708 if (p == NULL) p = strchr(yy_text, '(');
9711 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9713 q = strchr(p, *p == '{' ? '}' : ')');
9714 if (q != NULL) *q = NULLCHAR;
9717 GameEnds(moveType, p, GE_FILE);
9719 if (cmailMsgLoaded) {
9721 flipView = WhiteOnMove(currentMove);
9722 if (moveType == GameUnfinished) flipView = !flipView;
9723 if (appData.debugMode)
9724 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
9729 if (appData.debugMode)
9730 fprintf(debugFP, "Parser hit end of file\n");
9731 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9737 if (WhiteOnMove(currentMove)) {
9738 GameEnds(BlackWins, "Black mates", GE_FILE);
9740 GameEnds(WhiteWins, "White mates", GE_FILE);
9744 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9751 if (lastLoadGameStart == GNUChessGame) {
9752 /* GNUChessGames have numbers, but they aren't move numbers */
9753 if (appData.debugMode)
9754 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9755 yy_text, (int) moveType);
9756 return LoadGameOneMove(EndOfFile); /* tail recursion */
9758 /* else fall thru */
9763 /* Reached start of next game in file */
9764 if (appData.debugMode)
9765 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
9766 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9772 if (WhiteOnMove(currentMove)) {
9773 GameEnds(BlackWins, "Black mates", GE_FILE);
9775 GameEnds(WhiteWins, "White mates", GE_FILE);
9779 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9785 case PositionDiagram: /* should not happen; ignore */
9786 case ElapsedTime: /* ignore */
9787 case NAG: /* ignore */
9788 if (appData.debugMode)
9789 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9790 yy_text, (int) moveType);
9791 return LoadGameOneMove(EndOfFile); /* tail recursion */
9794 if (appData.testLegality) {
9795 if (appData.debugMode)
9796 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
9797 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
9798 (forwardMostMove / 2) + 1,
9799 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9800 DisplayError(move, 0);
9803 if (appData.debugMode)
9804 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
9805 yy_text, currentMoveString);
9806 fromX = currentMoveString[0] - AAA;
9807 fromY = currentMoveString[1] - ONE;
9808 toX = currentMoveString[2] - AAA;
9809 toY = currentMoveString[3] - ONE;
9810 promoChar = currentMoveString[4];
9815 if (appData.debugMode)
9816 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
9817 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
9818 (forwardMostMove / 2) + 1,
9819 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9820 DisplayError(move, 0);
9825 case ImpossibleMove:
9826 if (appData.debugMode)
9827 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
9828 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
9829 (forwardMostMove / 2) + 1,
9830 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9831 DisplayError(move, 0);
9837 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
9838 DrawPosition(FALSE, boards[currentMove]);
9839 DisplayBothClocks();
9840 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
9841 DisplayComment(currentMove - 1, commentList[currentMove]);
9843 (void) StopLoadGameTimer();
9845 cmailOldMove = forwardMostMove;
9848 /* currentMoveString is set as a side-effect of yylex */
9849 strcat(currentMoveString, "\n");
9850 safeStrCpy(moveList[forwardMostMove], currentMoveString, sizeof(moveList[forwardMostMove])/sizeof(moveList[forwardMostMove][0]));
9852 thinkOutput[0] = NULLCHAR;
9853 MakeMove(fromX, fromY, toX, toY, promoChar);
9854 currentMove = forwardMostMove;
9859 /* Load the nth game from the given file */
9861 LoadGameFromFile(filename, n, title, useList)
9865 /*Boolean*/ int useList;
9870 if (strcmp(filename, "-") == 0) {
9874 f = fopen(filename, "rb");
9876 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9877 DisplayError(buf, errno);
9881 if (fseek(f, 0, 0) == -1) {
9882 /* f is not seekable; probably a pipe */
9885 if (useList && n == 0) {
9886 int error = GameListBuild(f);
9888 DisplayError(_("Cannot build game list"), error);
9889 } else if (!ListEmpty(&gameList) &&
9890 ((ListGame *) gameList.tailPred)->number > 1) {
9891 GameListPopUp(f, title);
9898 return LoadGame(f, n, title, FALSE);
9903 MakeRegisteredMove()
9905 int fromX, fromY, toX, toY;
9907 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9908 switch (cmailMoveType[lastLoadGameNumber - 1]) {
9911 if (appData.debugMode)
9912 fprintf(debugFP, "Restoring %s for game %d\n",
9913 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
9915 thinkOutput[0] = NULLCHAR;
9916 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
9917 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
9918 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
9919 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
9920 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
9921 promoChar = cmailMove[lastLoadGameNumber - 1][4];
9922 MakeMove(fromX, fromY, toX, toY, promoChar);
9923 ShowMove(fromX, fromY, toX, toY);
9925 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9932 if (WhiteOnMove(currentMove)) {
9933 GameEnds(BlackWins, "Black mates", GE_PLAYER);
9935 GameEnds(WhiteWins, "White mates", GE_PLAYER);
9940 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
9947 if (WhiteOnMove(currentMove)) {
9948 GameEnds(BlackWins, "White resigns", GE_PLAYER);
9950 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
9955 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
9966 /* Wrapper around LoadGame for use when a Cmail message is loaded */
9968 CmailLoadGame(f, gameNumber, title, useList)
9976 if (gameNumber > nCmailGames) {
9977 DisplayError(_("No more games in this message"), 0);
9980 if (f == lastLoadGameFP) {
9981 int offset = gameNumber - lastLoadGameNumber;
9983 cmailMsg[0] = NULLCHAR;
9984 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9985 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
9986 nCmailMovesRegistered--;
9988 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
9989 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
9990 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
9993 if (! RegisterMove()) return FALSE;
9997 retVal = LoadGame(f, gameNumber, title, useList);
9999 /* Make move registered during previous look at this game, if any */
10000 MakeRegisteredMove();
10002 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
10003 commentList[currentMove]
10004 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
10005 DisplayComment(currentMove - 1, commentList[currentMove]);
10011 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
10016 int gameNumber = lastLoadGameNumber + offset;
10017 if (lastLoadGameFP == NULL) {
10018 DisplayError(_("No game has been loaded yet"), 0);
10021 if (gameNumber <= 0) {
10022 DisplayError(_("Can't back up any further"), 0);
10025 if (cmailMsgLoaded) {
10026 return CmailLoadGame(lastLoadGameFP, gameNumber,
10027 lastLoadGameTitle, lastLoadGameUseList);
10029 return LoadGame(lastLoadGameFP, gameNumber,
10030 lastLoadGameTitle, lastLoadGameUseList);
10036 /* Load the nth game from open file f */
10038 LoadGame(f, gameNumber, title, useList)
10046 int gn = gameNumber;
10047 ListGame *lg = NULL;
10048 int numPGNTags = 0;
10050 GameMode oldGameMode;
10051 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
10053 if (appData.debugMode)
10054 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
10056 if (gameMode == Training )
10057 SetTrainingModeOff();
10059 oldGameMode = gameMode;
10060 if (gameMode != BeginningOfGame) {
10061 Reset(FALSE, TRUE);
10065 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
10066 fclose(lastLoadGameFP);
10070 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
10073 fseek(f, lg->offset, 0);
10074 GameListHighlight(gameNumber);
10078 DisplayError(_("Game number out of range"), 0);
10083 if (fseek(f, 0, 0) == -1) {
10084 if (f == lastLoadGameFP ?
10085 gameNumber == lastLoadGameNumber + 1 :
10089 DisplayError(_("Can't seek on game file"), 0);
10094 lastLoadGameFP = f;
10095 lastLoadGameNumber = gameNumber;
10096 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
10097 lastLoadGameUseList = useList;
10101 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
10102 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
10103 lg->gameInfo.black);
10105 } else if (*title != NULLCHAR) {
10106 if (gameNumber > 1) {
10107 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
10110 DisplayTitle(title);
10114 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
10115 gameMode = PlayFromGameFile;
10119 currentMove = forwardMostMove = backwardMostMove = 0;
10120 CopyBoard(boards[0], initialPosition);
10124 * Skip the first gn-1 games in the file.
10125 * Also skip over anything that precedes an identifiable
10126 * start of game marker, to avoid being confused by
10127 * garbage at the start of the file. Currently
10128 * recognized start of game markers are the move number "1",
10129 * the pattern "gnuchess .* game", the pattern
10130 * "^[#;%] [^ ]* game file", and a PGN tag block.
10131 * A game that starts with one of the latter two patterns
10132 * will also have a move number 1, possibly
10133 * following a position diagram.
10134 * 5-4-02: Let's try being more lenient and allowing a game to
10135 * start with an unnumbered move. Does that break anything?
10137 cm = lastLoadGameStart = EndOfFile;
10139 yyboardindex = forwardMostMove;
10140 cm = (ChessMove) yylex();
10143 if (cmailMsgLoaded) {
10144 nCmailGames = CMAIL_MAX_GAMES - gn;
10147 DisplayError(_("Game not found in file"), 0);
10154 lastLoadGameStart = cm;
10157 case MoveNumberOne:
10158 switch (lastLoadGameStart) {
10163 case MoveNumberOne:
10165 gn--; /* count this game */
10166 lastLoadGameStart = cm;
10175 switch (lastLoadGameStart) {
10178 case MoveNumberOne:
10180 gn--; /* count this game */
10181 lastLoadGameStart = cm;
10184 lastLoadGameStart = cm; /* game counted already */
10192 yyboardindex = forwardMostMove;
10193 cm = (ChessMove) yylex();
10194 } while (cm == PGNTag || cm == Comment);
10201 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
10202 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
10203 != CMAIL_OLD_RESULT) {
10205 cmailResult[ CMAIL_MAX_GAMES
10206 - gn - 1] = CMAIL_OLD_RESULT;
10212 /* Only a NormalMove can be at the start of a game
10213 * without a position diagram. */
10214 if (lastLoadGameStart == EndOfFile ) {
10216 lastLoadGameStart = MoveNumberOne;
10225 if (appData.debugMode)
10226 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
10228 if (cm == XBoardGame) {
10229 /* Skip any header junk before position diagram and/or move 1 */
10231 yyboardindex = forwardMostMove;
10232 cm = (ChessMove) yylex();
10234 if (cm == EndOfFile ||
10235 cm == GNUChessGame || cm == XBoardGame) {
10236 /* Empty game; pretend end-of-file and handle later */
10241 if (cm == MoveNumberOne || cm == PositionDiagram ||
10242 cm == PGNTag || cm == Comment)
10245 } else if (cm == GNUChessGame) {
10246 if (gameInfo.event != NULL) {
10247 free(gameInfo.event);
10249 gameInfo.event = StrSave(yy_text);
10252 startedFromSetupPosition = FALSE;
10253 while (cm == PGNTag) {
10254 if (appData.debugMode)
10255 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
10256 err = ParsePGNTag(yy_text, &gameInfo);
10257 if (!err) numPGNTags++;
10259 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
10260 if(gameInfo.variant != oldVariant) {
10261 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
10262 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
10263 InitPosition(TRUE);
10264 oldVariant = gameInfo.variant;
10265 if (appData.debugMode)
10266 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
10270 if (gameInfo.fen != NULL) {
10271 Board initial_position;
10272 startedFromSetupPosition = TRUE;
10273 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
10275 DisplayError(_("Bad FEN position in file"), 0);
10278 CopyBoard(boards[0], initial_position);
10279 if (blackPlaysFirst) {
10280 currentMove = forwardMostMove = backwardMostMove = 1;
10281 CopyBoard(boards[1], initial_position);
10282 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10283 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10284 timeRemaining[0][1] = whiteTimeRemaining;
10285 timeRemaining[1][1] = blackTimeRemaining;
10286 if (commentList[0] != NULL) {
10287 commentList[1] = commentList[0];
10288 commentList[0] = NULL;
10291 currentMove = forwardMostMove = backwardMostMove = 0;
10293 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
10295 initialRulePlies = FENrulePlies;
10296 for( i=0; i< nrCastlingRights; i++ )
10297 initialRights[i] = initial_position[CASTLING][i];
10299 yyboardindex = forwardMostMove;
10300 free(gameInfo.fen);
10301 gameInfo.fen = NULL;
10304 yyboardindex = forwardMostMove;
10305 cm = (ChessMove) yylex();
10307 /* Handle comments interspersed among the tags */
10308 while (cm == Comment) {
10310 if (appData.debugMode)
10311 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10313 AppendComment(currentMove, p, FALSE);
10314 yyboardindex = forwardMostMove;
10315 cm = (ChessMove) yylex();
10319 /* don't rely on existence of Event tag since if game was
10320 * pasted from clipboard the Event tag may not exist
10322 if (numPGNTags > 0){
10324 if (gameInfo.variant == VariantNormal) {
10325 VariantClass v = StringToVariant(gameInfo.event);
10326 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
10327 if(v < VariantShogi) gameInfo.variant = v;
10330 if( appData.autoDisplayTags ) {
10331 tags = PGNTags(&gameInfo);
10332 TagsPopUp(tags, CmailMsg());
10337 /* Make something up, but don't display it now */
10342 if (cm == PositionDiagram) {
10345 Board initial_position;
10347 if (appData.debugMode)
10348 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
10350 if (!startedFromSetupPosition) {
10352 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
10353 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
10363 initial_position[i][j++] = CharToPiece(*p);
10366 while (*p == ' ' || *p == '\t' ||
10367 *p == '\n' || *p == '\r') p++;
10369 if (strncmp(p, "black", strlen("black"))==0)
10370 blackPlaysFirst = TRUE;
10372 blackPlaysFirst = FALSE;
10373 startedFromSetupPosition = TRUE;
10375 CopyBoard(boards[0], initial_position);
10376 if (blackPlaysFirst) {
10377 currentMove = forwardMostMove = backwardMostMove = 1;
10378 CopyBoard(boards[1], initial_position);
10379 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10380 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10381 timeRemaining[0][1] = whiteTimeRemaining;
10382 timeRemaining[1][1] = blackTimeRemaining;
10383 if (commentList[0] != NULL) {
10384 commentList[1] = commentList[0];
10385 commentList[0] = NULL;
10388 currentMove = forwardMostMove = backwardMostMove = 0;
10391 yyboardindex = forwardMostMove;
10392 cm = (ChessMove) yylex();
10395 if (first.pr == NoProc) {
10396 StartChessProgram(&first);
10398 InitChessProgram(&first, FALSE);
10399 SendToProgram("force\n", &first);
10400 if (startedFromSetupPosition) {
10401 SendBoard(&first, forwardMostMove);
10402 if (appData.debugMode) {
10403 fprintf(debugFP, "Load Game\n");
10405 DisplayBothClocks();
10408 /* [HGM] server: flag to write setup moves in broadcast file as one */
10409 loadFlag = appData.suppressLoadMoves;
10411 while (cm == Comment) {
10413 if (appData.debugMode)
10414 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10416 AppendComment(currentMove, p, FALSE);
10417 yyboardindex = forwardMostMove;
10418 cm = (ChessMove) yylex();
10421 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
10422 cm == WhiteWins || cm == BlackWins ||
10423 cm == GameIsDrawn || cm == GameUnfinished) {
10424 DisplayMessage("", _("No moves in game"));
10425 if (cmailMsgLoaded) {
10426 if (appData.debugMode)
10427 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
10431 DrawPosition(FALSE, boards[currentMove]);
10432 DisplayBothClocks();
10433 gameMode = EditGame;
10440 // [HGM] PV info: routine tests if comment empty
10441 if (!matchMode && (pausing || appData.timeDelay != 0)) {
10442 DisplayComment(currentMove - 1, commentList[currentMove]);
10444 if (!matchMode && appData.timeDelay != 0)
10445 DrawPosition(FALSE, boards[currentMove]);
10447 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
10448 programStats.ok_to_send = 1;
10451 /* if the first token after the PGN tags is a move
10452 * and not move number 1, retrieve it from the parser
10454 if (cm != MoveNumberOne)
10455 LoadGameOneMove(cm);
10457 /* load the remaining moves from the file */
10458 while (LoadGameOneMove(EndOfFile)) {
10459 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10460 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10463 /* rewind to the start of the game */
10464 currentMove = backwardMostMove;
10466 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10468 if (oldGameMode == AnalyzeFile ||
10469 oldGameMode == AnalyzeMode) {
10470 AnalyzeFileEvent();
10473 if (matchMode || appData.timeDelay == 0) {
10475 gameMode = EditGame;
10477 } else if (appData.timeDelay > 0) {
10478 AutoPlayGameLoop();
10481 if (appData.debugMode)
10482 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
10484 loadFlag = 0; /* [HGM] true game starts */
10488 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
10490 ReloadPosition(offset)
10493 int positionNumber = lastLoadPositionNumber + offset;
10494 if (lastLoadPositionFP == NULL) {
10495 DisplayError(_("No position has been loaded yet"), 0);
10498 if (positionNumber <= 0) {
10499 DisplayError(_("Can't back up any further"), 0);
10502 return LoadPosition(lastLoadPositionFP, positionNumber,
10503 lastLoadPositionTitle);
10506 /* Load the nth position from the given file */
10508 LoadPositionFromFile(filename, n, title)
10516 if (strcmp(filename, "-") == 0) {
10517 return LoadPosition(stdin, n, "stdin");
10519 f = fopen(filename, "rb");
10521 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10522 DisplayError(buf, errno);
10525 return LoadPosition(f, n, title);
10530 /* Load the nth position from the given open file, and close it */
10532 LoadPosition(f, positionNumber, title)
10534 int positionNumber;
10537 char *p, line[MSG_SIZ];
10538 Board initial_position;
10539 int i, j, fenMode, pn;
10541 if (gameMode == Training )
10542 SetTrainingModeOff();
10544 if (gameMode != BeginningOfGame) {
10545 Reset(FALSE, TRUE);
10547 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
10548 fclose(lastLoadPositionFP);
10550 if (positionNumber == 0) positionNumber = 1;
10551 lastLoadPositionFP = f;
10552 lastLoadPositionNumber = positionNumber;
10553 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
10554 if (first.pr == NoProc) {
10555 StartChessProgram(&first);
10556 InitChessProgram(&first, FALSE);
10558 pn = positionNumber;
10559 if (positionNumber < 0) {
10560 /* Negative position number means to seek to that byte offset */
10561 if (fseek(f, -positionNumber, 0) == -1) {
10562 DisplayError(_("Can't seek on position file"), 0);
10567 if (fseek(f, 0, 0) == -1) {
10568 if (f == lastLoadPositionFP ?
10569 positionNumber == lastLoadPositionNumber + 1 :
10570 positionNumber == 1) {
10573 DisplayError(_("Can't seek on position file"), 0);
10578 /* See if this file is FEN or old-style xboard */
10579 if (fgets(line, MSG_SIZ, f) == NULL) {
10580 DisplayError(_("Position not found in file"), 0);
10583 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
10584 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
10587 if (fenMode || line[0] == '#') pn--;
10589 /* skip positions before number pn */
10590 if (fgets(line, MSG_SIZ, f) == NULL) {
10592 DisplayError(_("Position not found in file"), 0);
10595 if (fenMode || line[0] == '#') pn--;
10600 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
10601 DisplayError(_("Bad FEN position in file"), 0);
10605 (void) fgets(line, MSG_SIZ, f);
10606 (void) fgets(line, MSG_SIZ, f);
10608 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
10609 (void) fgets(line, MSG_SIZ, f);
10610 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
10613 initial_position[i][j++] = CharToPiece(*p);
10617 blackPlaysFirst = FALSE;
10619 (void) fgets(line, MSG_SIZ, f);
10620 if (strncmp(line, "black", strlen("black"))==0)
10621 blackPlaysFirst = TRUE;
10624 startedFromSetupPosition = TRUE;
10626 SendToProgram("force\n", &first);
10627 CopyBoard(boards[0], initial_position);
10628 if (blackPlaysFirst) {
10629 currentMove = forwardMostMove = backwardMostMove = 1;
10630 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10631 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10632 CopyBoard(boards[1], initial_position);
10633 DisplayMessage("", _("Black to play"));
10635 currentMove = forwardMostMove = backwardMostMove = 0;
10636 DisplayMessage("", _("White to play"));
10638 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
10639 SendBoard(&first, forwardMostMove);
10640 if (appData.debugMode) {
10642 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
10643 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
10644 fprintf(debugFP, "Load Position\n");
10647 if (positionNumber > 1) {
10648 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
10649 DisplayTitle(line);
10651 DisplayTitle(title);
10653 gameMode = EditGame;
10656 timeRemaining[0][1] = whiteTimeRemaining;
10657 timeRemaining[1][1] = blackTimeRemaining;
10658 DrawPosition(FALSE, boards[currentMove]);
10665 CopyPlayerNameIntoFileName(dest, src)
10668 while (*src != NULLCHAR && *src != ',') {
10673 *(*dest)++ = *src++;
10678 char *DefaultFileName(ext)
10681 static char def[MSG_SIZ];
10684 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
10686 CopyPlayerNameIntoFileName(&p, gameInfo.white);
10688 CopyPlayerNameIntoFileName(&p, gameInfo.black);
10690 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
10697 /* Save the current game to the given file */
10699 SaveGameToFile(filename, append)
10706 if (strcmp(filename, "-") == 0) {
10707 return SaveGame(stdout, 0, NULL);
10709 f = fopen(filename, append ? "a" : "w");
10711 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10712 DisplayError(buf, errno);
10715 return SaveGame(f, 0, NULL);
10724 static char buf[MSG_SIZ];
10727 p = strchr(str, ' ');
10728 if (p == NULL) return str;
10729 strncpy(buf, str, p - str);
10730 buf[p - str] = NULLCHAR;
10734 #define PGN_MAX_LINE 75
10736 #define PGN_SIDE_WHITE 0
10737 #define PGN_SIDE_BLACK 1
10740 static int FindFirstMoveOutOfBook( int side )
10744 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
10745 int index = backwardMostMove;
10746 int has_book_hit = 0;
10748 if( (index % 2) != side ) {
10752 while( index < forwardMostMove ) {
10753 /* Check to see if engine is in book */
10754 int depth = pvInfoList[index].depth;
10755 int score = pvInfoList[index].score;
10761 else if( score == 0 && depth == 63 ) {
10762 in_book = 1; /* Zappa */
10764 else if( score == 2 && depth == 99 ) {
10765 in_book = 1; /* Abrok */
10768 has_book_hit += in_book;
10784 void GetOutOfBookInfo( char * buf )
10788 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10790 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
10791 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
10795 if( oob[0] >= 0 || oob[1] >= 0 ) {
10796 for( i=0; i<2; i++ ) {
10800 if( i > 0 && oob[0] >= 0 ) {
10801 strcat( buf, " " );
10804 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
10805 sprintf( buf+strlen(buf), "%s%.2f",
10806 pvInfoList[idx].score >= 0 ? "+" : "",
10807 pvInfoList[idx].score / 100.0 );
10813 /* Save game in PGN style and close the file */
10818 int i, offset, linelen, newblock;
10822 int movelen, numlen, blank;
10823 char move_buffer[100]; /* [AS] Buffer for move+PV info */
10825 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10827 tm = time((time_t *) NULL);
10829 PrintPGNTags(f, &gameInfo);
10831 if (backwardMostMove > 0 || startedFromSetupPosition) {
10832 char *fen = PositionToFEN(backwardMostMove, NULL);
10833 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
10834 fprintf(f, "\n{--------------\n");
10835 PrintPosition(f, backwardMostMove);
10836 fprintf(f, "--------------}\n");
10840 /* [AS] Out of book annotation */
10841 if( appData.saveOutOfBookInfo ) {
10844 GetOutOfBookInfo( buf );
10846 if( buf[0] != '\0' ) {
10847 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
10854 i = backwardMostMove;
10858 while (i < forwardMostMove) {
10859 /* Print comments preceding this move */
10860 if (commentList[i] != NULL) {
10861 if (linelen > 0) fprintf(f, "\n");
10862 fprintf(f, "%s", commentList[i]);
10867 /* Format move number */
10869 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
10872 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
10874 numtext[0] = NULLCHAR;
10876 numlen = strlen(numtext);
10879 /* Print move number */
10880 blank = linelen > 0 && numlen > 0;
10881 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
10890 fprintf(f, "%s", numtext);
10894 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
10895 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
10898 blank = linelen > 0 && movelen > 0;
10899 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10908 fprintf(f, "%s", move_buffer);
10909 linelen += movelen;
10911 /* [AS] Add PV info if present */
10912 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
10913 /* [HGM] add time */
10914 char buf[MSG_SIZ]; int seconds;
10916 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
10922 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
10925 seconds = (seconds + 4)/10; // round to full seconds
10927 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
10929 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
10932 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
10933 pvInfoList[i].score >= 0 ? "+" : "",
10934 pvInfoList[i].score / 100.0,
10935 pvInfoList[i].depth,
10938 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
10940 /* Print score/depth */
10941 blank = linelen > 0 && movelen > 0;
10942 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10951 fprintf(f, "%s", move_buffer);
10952 linelen += movelen;
10958 /* Start a new line */
10959 if (linelen > 0) fprintf(f, "\n");
10961 /* Print comments after last move */
10962 if (commentList[i] != NULL) {
10963 fprintf(f, "%s\n", commentList[i]);
10967 if (gameInfo.resultDetails != NULL &&
10968 gameInfo.resultDetails[0] != NULLCHAR) {
10969 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
10970 PGNResult(gameInfo.result));
10972 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10976 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10980 /* Save game in old style and close the file */
10982 SaveGameOldStyle(f)
10988 tm = time((time_t *) NULL);
10990 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
10993 if (backwardMostMove > 0 || startedFromSetupPosition) {
10994 fprintf(f, "\n[--------------\n");
10995 PrintPosition(f, backwardMostMove);
10996 fprintf(f, "--------------]\n");
11001 i = backwardMostMove;
11002 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11004 while (i < forwardMostMove) {
11005 if (commentList[i] != NULL) {
11006 fprintf(f, "[%s]\n", commentList[i]);
11009 if ((i % 2) == 1) {
11010 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
11013 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
11015 if (commentList[i] != NULL) {
11019 if (i >= forwardMostMove) {
11023 fprintf(f, "%s\n", parseList[i]);
11028 if (commentList[i] != NULL) {
11029 fprintf(f, "[%s]\n", commentList[i]);
11032 /* This isn't really the old style, but it's close enough */
11033 if (gameInfo.resultDetails != NULL &&
11034 gameInfo.resultDetails[0] != NULLCHAR) {
11035 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
11036 gameInfo.resultDetails);
11038 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11045 /* Save the current game to open file f and close the file */
11047 SaveGame(f, dummy, dummy2)
11052 if (gameMode == EditPosition) EditPositionDone(TRUE);
11053 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11054 if (appData.oldSaveStyle)
11055 return SaveGameOldStyle(f);
11057 return SaveGamePGN(f);
11060 /* Save the current position to the given file */
11062 SavePositionToFile(filename)
11068 if (strcmp(filename, "-") == 0) {
11069 return SavePosition(stdout, 0, NULL);
11071 f = fopen(filename, "a");
11073 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11074 DisplayError(buf, errno);
11077 SavePosition(f, 0, NULL);
11083 /* Save the current position to the given open file and close the file */
11085 SavePosition(f, dummy, dummy2)
11093 if (gameMode == EditPosition) EditPositionDone(TRUE);
11094 if (appData.oldSaveStyle) {
11095 tm = time((time_t *) NULL);
11097 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
11099 fprintf(f, "[--------------\n");
11100 PrintPosition(f, currentMove);
11101 fprintf(f, "--------------]\n");
11103 fen = PositionToFEN(currentMove, NULL);
11104 fprintf(f, "%s\n", fen);
11112 ReloadCmailMsgEvent(unregister)
11116 static char *inFilename = NULL;
11117 static char *outFilename;
11119 struct stat inbuf, outbuf;
11122 /* Any registered moves are unregistered if unregister is set, */
11123 /* i.e. invoked by the signal handler */
11125 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11126 cmailMoveRegistered[i] = FALSE;
11127 if (cmailCommentList[i] != NULL) {
11128 free(cmailCommentList[i]);
11129 cmailCommentList[i] = NULL;
11132 nCmailMovesRegistered = 0;
11135 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11136 cmailResult[i] = CMAIL_NOT_RESULT;
11140 if (inFilename == NULL) {
11141 /* Because the filenames are static they only get malloced once */
11142 /* and they never get freed */
11143 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
11144 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
11146 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
11147 sprintf(outFilename, "%s.out", appData.cmailGameName);
11150 status = stat(outFilename, &outbuf);
11152 cmailMailedMove = FALSE;
11154 status = stat(inFilename, &inbuf);
11155 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
11158 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
11159 counts the games, notes how each one terminated, etc.
11161 It would be nice to remove this kludge and instead gather all
11162 the information while building the game list. (And to keep it
11163 in the game list nodes instead of having a bunch of fixed-size
11164 parallel arrays.) Note this will require getting each game's
11165 termination from the PGN tags, as the game list builder does
11166 not process the game moves. --mann
11168 cmailMsgLoaded = TRUE;
11169 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
11171 /* Load first game in the file or popup game menu */
11172 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
11174 #endif /* !WIN32 */
11182 char string[MSG_SIZ];
11184 if ( cmailMailedMove
11185 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
11186 return TRUE; /* Allow free viewing */
11189 /* Unregister move to ensure that we don't leave RegisterMove */
11190 /* with the move registered when the conditions for registering no */
11192 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11193 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11194 nCmailMovesRegistered --;
11196 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
11198 free(cmailCommentList[lastLoadGameNumber - 1]);
11199 cmailCommentList[lastLoadGameNumber - 1] = NULL;
11203 if (cmailOldMove == -1) {
11204 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
11208 if (currentMove > cmailOldMove + 1) {
11209 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
11213 if (currentMove < cmailOldMove) {
11214 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
11218 if (forwardMostMove > currentMove) {
11219 /* Silently truncate extra moves */
11223 if ( (currentMove == cmailOldMove + 1)
11224 || ( (currentMove == cmailOldMove)
11225 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
11226 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
11227 if (gameInfo.result != GameUnfinished) {
11228 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
11231 if (commentList[currentMove] != NULL) {
11232 cmailCommentList[lastLoadGameNumber - 1]
11233 = StrSave(commentList[currentMove]);
11235 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
11237 if (appData.debugMode)
11238 fprintf(debugFP, "Saving %s for game %d\n",
11239 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11241 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
11243 f = fopen(string, "w");
11244 if (appData.oldSaveStyle) {
11245 SaveGameOldStyle(f); /* also closes the file */
11247 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
11248 f = fopen(string, "w");
11249 SavePosition(f, 0, NULL); /* also closes the file */
11251 fprintf(f, "{--------------\n");
11252 PrintPosition(f, currentMove);
11253 fprintf(f, "--------------}\n\n");
11255 SaveGame(f, 0, NULL); /* also closes the file*/
11258 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
11259 nCmailMovesRegistered ++;
11260 } else if (nCmailGames == 1) {
11261 DisplayError(_("You have not made a move yet"), 0);
11272 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
11273 FILE *commandOutput;
11274 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
11275 int nBytes = 0; /* Suppress warnings on uninitialized variables */
11281 if (! cmailMsgLoaded) {
11282 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
11286 if (nCmailGames == nCmailResults) {
11287 DisplayError(_("No unfinished games"), 0);
11291 #if CMAIL_PROHIBIT_REMAIL
11292 if (cmailMailedMove) {
11293 snprintf(msg, MSG_SIZ, _("You have already mailed a move.\nWait until a move arrives from your opponent.\nTo resend the same move, type\n\"cmail -remail -game %s\"\non the command line."), appData.cmailGameName);
11294 DisplayError(msg, 0);
11299 if (! (cmailMailedMove || RegisterMove())) return;
11301 if ( cmailMailedMove
11302 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
11303 snprintf(string, MSG_SIZ, partCommandString,
11304 appData.debugMode ? " -v" : "", appData.cmailGameName);
11305 commandOutput = popen(string, "r");
11307 if (commandOutput == NULL) {
11308 DisplayError(_("Failed to invoke cmail"), 0);
11310 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
11311 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
11313 if (nBuffers > 1) {
11314 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
11315 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
11316 nBytes = MSG_SIZ - 1;
11318 (void) memcpy(msg, buffer, nBytes);
11320 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
11322 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
11323 cmailMailedMove = TRUE; /* Prevent >1 moves */
11326 for (i = 0; i < nCmailGames; i ++) {
11327 if (cmailResult[i] == CMAIL_NOT_RESULT) {
11332 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
11334 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
11336 appData.cmailGameName,
11338 LoadGameFromFile(buffer, 1, buffer, FALSE);
11339 cmailMsgLoaded = FALSE;
11343 DisplayInformation(msg);
11344 pclose(commandOutput);
11347 if ((*cmailMsg) != '\0') {
11348 DisplayInformation(cmailMsg);
11353 #endif /* !WIN32 */
11362 int prependComma = 0;
11364 char string[MSG_SIZ]; /* Space for game-list */
11367 if (!cmailMsgLoaded) return "";
11369 if (cmailMailedMove) {
11370 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
11372 /* Create a list of games left */
11373 snprintf(string, MSG_SIZ, "[");
11374 for (i = 0; i < nCmailGames; i ++) {
11375 if (! ( cmailMoveRegistered[i]
11376 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
11377 if (prependComma) {
11378 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
11380 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
11384 strcat(string, number);
11387 strcat(string, "]");
11389 if (nCmailMovesRegistered + nCmailResults == 0) {
11390 switch (nCmailGames) {
11392 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
11396 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
11400 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
11405 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
11407 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
11412 if (nCmailResults == nCmailGames) {
11413 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
11415 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
11420 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
11432 if (gameMode == Training)
11433 SetTrainingModeOff();
11436 cmailMsgLoaded = FALSE;
11437 if (appData.icsActive) {
11438 SendToICS(ics_prefix);
11439 SendToICS("refresh\n");
11449 /* Give up on clean exit */
11453 /* Keep trying for clean exit */
11457 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
11459 if (telnetISR != NULL) {
11460 RemoveInputSource(telnetISR);
11462 if (icsPR != NoProc) {
11463 DestroyChildProcess(icsPR, TRUE);
11466 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
11467 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
11469 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
11470 /* make sure this other one finishes before killing it! */
11471 if(endingGame) { int count = 0;
11472 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
11473 while(endingGame && count++ < 10) DoSleep(1);
11474 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
11477 /* Kill off chess programs */
11478 if (first.pr != NoProc) {
11481 DoSleep( appData.delayBeforeQuit );
11482 SendToProgram("quit\n", &first);
11483 DoSleep( appData.delayAfterQuit );
11484 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
11486 if (second.pr != NoProc) {
11487 DoSleep( appData.delayBeforeQuit );
11488 SendToProgram("quit\n", &second);
11489 DoSleep( appData.delayAfterQuit );
11490 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
11492 if (first.isr != NULL) {
11493 RemoveInputSource(first.isr);
11495 if (second.isr != NULL) {
11496 RemoveInputSource(second.isr);
11499 ShutDownFrontEnd();
11506 if (appData.debugMode)
11507 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
11511 if (gameMode == MachinePlaysWhite ||
11512 gameMode == MachinePlaysBlack) {
11515 DisplayBothClocks();
11517 if (gameMode == PlayFromGameFile) {
11518 if (appData.timeDelay >= 0)
11519 AutoPlayGameLoop();
11520 } else if (gameMode == IcsExamining && pauseExamInvalid) {
11521 Reset(FALSE, TRUE);
11522 SendToICS(ics_prefix);
11523 SendToICS("refresh\n");
11524 } else if (currentMove < forwardMostMove) {
11525 ForwardInner(forwardMostMove);
11527 pauseExamInvalid = FALSE;
11529 switch (gameMode) {
11533 pauseExamForwardMostMove = forwardMostMove;
11534 pauseExamInvalid = FALSE;
11537 case IcsPlayingWhite:
11538 case IcsPlayingBlack:
11542 case PlayFromGameFile:
11543 (void) StopLoadGameTimer();
11547 case BeginningOfGame:
11548 if (appData.icsActive) return;
11549 /* else fall through */
11550 case MachinePlaysWhite:
11551 case MachinePlaysBlack:
11552 case TwoMachinesPlay:
11553 if (forwardMostMove == 0)
11554 return; /* don't pause if no one has moved */
11555 if ((gameMode == MachinePlaysWhite &&
11556 !WhiteOnMove(forwardMostMove)) ||
11557 (gameMode == MachinePlaysBlack &&
11558 WhiteOnMove(forwardMostMove))) {
11571 char title[MSG_SIZ];
11573 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
11574 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
11576 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
11577 WhiteOnMove(currentMove - 1) ? " " : ".. ",
11578 parseList[currentMove - 1]);
11581 EditCommentPopUp(currentMove, title, commentList[currentMove]);
11588 char *tags = PGNTags(&gameInfo);
11589 EditTagsPopUp(tags);
11596 if (appData.noChessProgram || gameMode == AnalyzeMode)
11599 if (gameMode != AnalyzeFile) {
11600 if (!appData.icsEngineAnalyze) {
11602 if (gameMode != EditGame) return;
11604 ResurrectChessProgram();
11605 SendToProgram("analyze\n", &first);
11606 first.analyzing = TRUE;
11607 /*first.maybeThinking = TRUE;*/
11608 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11609 EngineOutputPopUp();
11611 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
11616 StartAnalysisClock();
11617 GetTimeMark(&lastNodeCountTime);
11624 if (appData.noChessProgram || gameMode == AnalyzeFile)
11627 if (gameMode != AnalyzeMode) {
11629 if (gameMode != EditGame) return;
11630 ResurrectChessProgram();
11631 SendToProgram("analyze\n", &first);
11632 first.analyzing = TRUE;
11633 /*first.maybeThinking = TRUE;*/
11634 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11635 EngineOutputPopUp();
11637 gameMode = AnalyzeFile;
11642 StartAnalysisClock();
11643 GetTimeMark(&lastNodeCountTime);
11648 MachineWhiteEvent()
11651 char *bookHit = NULL;
11653 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
11657 if (gameMode == PlayFromGameFile ||
11658 gameMode == TwoMachinesPlay ||
11659 gameMode == Training ||
11660 gameMode == AnalyzeMode ||
11661 gameMode == EndOfGame)
11664 if (gameMode == EditPosition)
11665 EditPositionDone(TRUE);
11667 if (!WhiteOnMove(currentMove)) {
11668 DisplayError(_("It is not White's turn"), 0);
11672 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11675 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11676 gameMode == AnalyzeFile)
11679 ResurrectChessProgram(); /* in case it isn't running */
11680 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
11681 gameMode = MachinePlaysWhite;
11684 gameMode = MachinePlaysWhite;
11688 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11690 if (first.sendName) {
11691 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
11692 SendToProgram(buf, &first);
11694 if (first.sendTime) {
11695 if (first.useColors) {
11696 SendToProgram("black\n", &first); /*gnu kludge*/
11698 SendTimeRemaining(&first, TRUE);
11700 if (first.useColors) {
11701 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
11703 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11704 SetMachineThinkingEnables();
11705 first.maybeThinking = TRUE;
11709 if (appData.autoFlipView && !flipView) {
11710 flipView = !flipView;
11711 DrawPosition(FALSE, NULL);
11712 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11715 if(bookHit) { // [HGM] book: simulate book reply
11716 static char bookMove[MSG_SIZ]; // a bit generous?
11718 programStats.nodes = programStats.depth = programStats.time =
11719 programStats.score = programStats.got_only_move = 0;
11720 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11722 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11723 strcat(bookMove, bookHit);
11724 HandleMachineMove(bookMove, &first);
11729 MachineBlackEvent()
11732 char *bookHit = NULL;
11734 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
11738 if (gameMode == PlayFromGameFile ||
11739 gameMode == TwoMachinesPlay ||
11740 gameMode == Training ||
11741 gameMode == AnalyzeMode ||
11742 gameMode == EndOfGame)
11745 if (gameMode == EditPosition)
11746 EditPositionDone(TRUE);
11748 if (WhiteOnMove(currentMove)) {
11749 DisplayError(_("It is not Black's turn"), 0);
11753 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11756 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11757 gameMode == AnalyzeFile)
11760 ResurrectChessProgram(); /* in case it isn't running */
11761 gameMode = MachinePlaysBlack;
11765 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11767 if (first.sendName) {
11768 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
11769 SendToProgram(buf, &first);
11771 if (first.sendTime) {
11772 if (first.useColors) {
11773 SendToProgram("white\n", &first); /*gnu kludge*/
11775 SendTimeRemaining(&first, FALSE);
11777 if (first.useColors) {
11778 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
11780 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11781 SetMachineThinkingEnables();
11782 first.maybeThinking = TRUE;
11785 if (appData.autoFlipView && flipView) {
11786 flipView = !flipView;
11787 DrawPosition(FALSE, NULL);
11788 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11790 if(bookHit) { // [HGM] book: simulate book reply
11791 static char bookMove[MSG_SIZ]; // a bit generous?
11793 programStats.nodes = programStats.depth = programStats.time =
11794 programStats.score = programStats.got_only_move = 0;
11795 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11797 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11798 strcat(bookMove, bookHit);
11799 HandleMachineMove(bookMove, &first);
11805 DisplayTwoMachinesTitle()
11808 if (appData.matchGames > 0) {
11809 if (first.twoMachinesColor[0] == 'w') {
11810 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
11811 gameInfo.white, gameInfo.black,
11812 first.matchWins, second.matchWins,
11813 matchGame - 1 - (first.matchWins + second.matchWins));
11815 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
11816 gameInfo.white, gameInfo.black,
11817 second.matchWins, first.matchWins,
11818 matchGame - 1 - (first.matchWins + second.matchWins));
11821 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11827 TwoMachinesEvent P((void))
11831 ChessProgramState *onmove;
11832 char *bookHit = NULL;
11834 if (appData.noChessProgram) return;
11836 switch (gameMode) {
11837 case TwoMachinesPlay:
11839 case MachinePlaysWhite:
11840 case MachinePlaysBlack:
11841 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11842 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11846 case BeginningOfGame:
11847 case PlayFromGameFile:
11850 if (gameMode != EditGame) return;
11853 EditPositionDone(TRUE);
11864 // forwardMostMove = currentMove;
11865 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
11866 ResurrectChessProgram(); /* in case first program isn't running */
11868 if (second.pr == NULL) {
11869 StartChessProgram(&second);
11870 if (second.protocolVersion == 1) {
11871 TwoMachinesEventIfReady();
11873 /* kludge: allow timeout for initial "feature" command */
11875 DisplayMessage("", _("Starting second chess program"));
11876 ScheduleDelayedEvent(TwoMachinesEventIfReady, FEATURE_TIMEOUT);
11880 DisplayMessage("", "");
11881 InitChessProgram(&second, FALSE);
11882 SendToProgram("force\n", &second);
11883 if (startedFromSetupPosition) {
11884 SendBoard(&second, backwardMostMove);
11885 if (appData.debugMode) {
11886 fprintf(debugFP, "Two Machines\n");
11889 for (i = backwardMostMove; i < forwardMostMove; i++) {
11890 SendMoveToProgram(i, &second);
11893 gameMode = TwoMachinesPlay;
11897 DisplayTwoMachinesTitle();
11899 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
11905 SendToProgram(first.computerString, &first);
11906 if (first.sendName) {
11907 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
11908 SendToProgram(buf, &first);
11910 SendToProgram(second.computerString, &second);
11911 if (second.sendName) {
11912 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
11913 SendToProgram(buf, &second);
11917 if (!first.sendTime || !second.sendTime) {
11918 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11919 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11921 if (onmove->sendTime) {
11922 if (onmove->useColors) {
11923 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
11925 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
11927 if (onmove->useColors) {
11928 SendToProgram(onmove->twoMachinesColor, onmove);
11930 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
11931 // SendToProgram("go\n", onmove);
11932 onmove->maybeThinking = TRUE;
11933 SetMachineThinkingEnables();
11937 if(bookHit) { // [HGM] book: simulate book reply
11938 static char bookMove[MSG_SIZ]; // a bit generous?
11940 programStats.nodes = programStats.depth = programStats.time =
11941 programStats.score = programStats.got_only_move = 0;
11942 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11944 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11945 strcat(bookMove, bookHit);
11946 savedMessage = bookMove; // args for deferred call
11947 savedState = onmove;
11948 ScheduleDelayedEvent(DeferredBookMove, 1);
11955 if (gameMode == Training) {
11956 SetTrainingModeOff();
11957 gameMode = PlayFromGameFile;
11958 DisplayMessage("", _("Training mode off"));
11960 gameMode = Training;
11961 animateTraining = appData.animate;
11963 /* make sure we are not already at the end of the game */
11964 if (currentMove < forwardMostMove) {
11965 SetTrainingModeOn();
11966 DisplayMessage("", _("Training mode on"));
11968 gameMode = PlayFromGameFile;
11969 DisplayError(_("Already at end of game"), 0);
11978 if (!appData.icsActive) return;
11979 switch (gameMode) {
11980 case IcsPlayingWhite:
11981 case IcsPlayingBlack:
11984 case BeginningOfGame:
11992 EditPositionDone(TRUE);
12005 gameMode = IcsIdle;
12016 switch (gameMode) {
12018 SetTrainingModeOff();
12020 case MachinePlaysWhite:
12021 case MachinePlaysBlack:
12022 case BeginningOfGame:
12023 SendToProgram("force\n", &first);
12024 SetUserThinkingEnables();
12026 case PlayFromGameFile:
12027 (void) StopLoadGameTimer();
12028 if (gameFileFP != NULL) {
12033 EditPositionDone(TRUE);
12038 SendToProgram("force\n", &first);
12040 case TwoMachinesPlay:
12041 GameEnds(EndOfFile, NULL, GE_PLAYER);
12042 ResurrectChessProgram();
12043 SetUserThinkingEnables();
12046 ResurrectChessProgram();
12048 case IcsPlayingBlack:
12049 case IcsPlayingWhite:
12050 DisplayError(_("Warning: You are still playing a game"), 0);
12053 DisplayError(_("Warning: You are still observing a game"), 0);
12056 DisplayError(_("Warning: You are still examining a game"), 0);
12067 first.offeredDraw = second.offeredDraw = 0;
12069 if (gameMode == PlayFromGameFile) {
12070 whiteTimeRemaining = timeRemaining[0][currentMove];
12071 blackTimeRemaining = timeRemaining[1][currentMove];
12075 if (gameMode == MachinePlaysWhite ||
12076 gameMode == MachinePlaysBlack ||
12077 gameMode == TwoMachinesPlay ||
12078 gameMode == EndOfGame) {
12079 i = forwardMostMove;
12080 while (i > currentMove) {
12081 SendToProgram("undo\n", &first);
12084 whiteTimeRemaining = timeRemaining[0][currentMove];
12085 blackTimeRemaining = timeRemaining[1][currentMove];
12086 DisplayBothClocks();
12087 if (whiteFlag || blackFlag) {
12088 whiteFlag = blackFlag = 0;
12093 gameMode = EditGame;
12100 EditPositionEvent()
12102 if (gameMode == EditPosition) {
12108 if (gameMode != EditGame) return;
12110 gameMode = EditPosition;
12113 if (currentMove > 0)
12114 CopyBoard(boards[0], boards[currentMove]);
12116 blackPlaysFirst = !WhiteOnMove(currentMove);
12118 currentMove = forwardMostMove = backwardMostMove = 0;
12119 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12126 /* [DM] icsEngineAnalyze - possible call from other functions */
12127 if (appData.icsEngineAnalyze) {
12128 appData.icsEngineAnalyze = FALSE;
12130 DisplayMessage("",_("Close ICS engine analyze..."));
12132 if (first.analysisSupport && first.analyzing) {
12133 SendToProgram("exit\n", &first);
12134 first.analyzing = FALSE;
12136 thinkOutput[0] = NULLCHAR;
12140 EditPositionDone(Boolean fakeRights)
12142 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
12144 startedFromSetupPosition = TRUE;
12145 InitChessProgram(&first, FALSE);
12146 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
12147 boards[0][EP_STATUS] = EP_NONE;
12148 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
12149 if(boards[0][0][BOARD_WIDTH>>1] == king) {
12150 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
12151 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
12152 } else boards[0][CASTLING][2] = NoRights;
12153 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
12154 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
12155 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
12156 } else boards[0][CASTLING][5] = NoRights;
12158 SendToProgram("force\n", &first);
12159 if (blackPlaysFirst) {
12160 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12161 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12162 currentMove = forwardMostMove = backwardMostMove = 1;
12163 CopyBoard(boards[1], boards[0]);
12165 currentMove = forwardMostMove = backwardMostMove = 0;
12167 SendBoard(&first, forwardMostMove);
12168 if (appData.debugMode) {
12169 fprintf(debugFP, "EditPosDone\n");
12172 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12173 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12174 gameMode = EditGame;
12176 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12177 ClearHighlights(); /* [AS] */
12180 /* Pause for `ms' milliseconds */
12181 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12191 } while (SubtractTimeMarks(&m2, &m1) < ms);
12194 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12196 SendMultiLineToICS(buf)
12199 char temp[MSG_SIZ+1], *p;
12206 strncpy(temp, buf, len);
12211 if (*p == '\n' || *p == '\r')
12216 strcat(temp, "\n");
12218 SendToPlayer(temp, strlen(temp));
12222 SetWhiteToPlayEvent()
12224 if (gameMode == EditPosition) {
12225 blackPlaysFirst = FALSE;
12226 DisplayBothClocks(); /* works because currentMove is 0 */
12227 } else if (gameMode == IcsExamining) {
12228 SendToICS(ics_prefix);
12229 SendToICS("tomove white\n");
12234 SetBlackToPlayEvent()
12236 if (gameMode == EditPosition) {
12237 blackPlaysFirst = TRUE;
12238 currentMove = 1; /* kludge */
12239 DisplayBothClocks();
12241 } else if (gameMode == IcsExamining) {
12242 SendToICS(ics_prefix);
12243 SendToICS("tomove black\n");
12248 EditPositionMenuEvent(selection, x, y)
12249 ChessSquare selection;
12253 ChessSquare piece = boards[0][y][x];
12255 if (gameMode != EditPosition && gameMode != IcsExamining) return;
12257 switch (selection) {
12259 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
12260 SendToICS(ics_prefix);
12261 SendToICS("bsetup clear\n");
12262 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
12263 SendToICS(ics_prefix);
12264 SendToICS("clearboard\n");
12266 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
12267 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
12268 for (y = 0; y < BOARD_HEIGHT; y++) {
12269 if (gameMode == IcsExamining) {
12270 if (boards[currentMove][y][x] != EmptySquare) {
12271 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
12276 boards[0][y][x] = p;
12281 if (gameMode == EditPosition) {
12282 DrawPosition(FALSE, boards[0]);
12287 SetWhiteToPlayEvent();
12291 SetBlackToPlayEvent();
12295 if (gameMode == IcsExamining) {
12296 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12297 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
12300 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12301 if(x == BOARD_LEFT-2) {
12302 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
12303 boards[0][y][1] = 0;
12305 if(x == BOARD_RGHT+1) {
12306 if(y >= gameInfo.holdingsSize) break;
12307 boards[0][y][BOARD_WIDTH-2] = 0;
12310 boards[0][y][x] = EmptySquare;
12311 DrawPosition(FALSE, boards[0]);
12316 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
12317 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
12318 selection = (ChessSquare) (PROMOTED piece);
12319 } else if(piece == EmptySquare) selection = WhiteSilver;
12320 else selection = (ChessSquare)((int)piece - 1);
12324 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
12325 piece > (int)BlackMan && piece <= (int)BlackKing ) {
12326 selection = (ChessSquare) (DEMOTED piece);
12327 } else if(piece == EmptySquare) selection = BlackSilver;
12328 else selection = (ChessSquare)((int)piece + 1);
12333 if(gameInfo.variant == VariantShatranj ||
12334 gameInfo.variant == VariantXiangqi ||
12335 gameInfo.variant == VariantCourier ||
12336 gameInfo.variant == VariantMakruk )
12337 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
12342 if(gameInfo.variant == VariantXiangqi)
12343 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
12344 if(gameInfo.variant == VariantKnightmate)
12345 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
12348 if (gameMode == IcsExamining) {
12349 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12350 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
12351 PieceToChar(selection), AAA + x, ONE + y);
12354 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12356 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
12357 n = PieceToNumber(selection - BlackPawn);
12358 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
12359 boards[0][BOARD_HEIGHT-1-n][0] = selection;
12360 boards[0][BOARD_HEIGHT-1-n][1]++;
12362 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
12363 n = PieceToNumber(selection);
12364 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
12365 boards[0][n][BOARD_WIDTH-1] = selection;
12366 boards[0][n][BOARD_WIDTH-2]++;
12369 boards[0][y][x] = selection;
12370 DrawPosition(TRUE, boards[0]);
12378 DropMenuEvent(selection, x, y)
12379 ChessSquare selection;
12382 ChessMove moveType;
12384 switch (gameMode) {
12385 case IcsPlayingWhite:
12386 case MachinePlaysBlack:
12387 if (!WhiteOnMove(currentMove)) {
12388 DisplayMoveError(_("It is Black's turn"));
12391 moveType = WhiteDrop;
12393 case IcsPlayingBlack:
12394 case MachinePlaysWhite:
12395 if (WhiteOnMove(currentMove)) {
12396 DisplayMoveError(_("It is White's turn"));
12399 moveType = BlackDrop;
12402 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
12408 if (moveType == BlackDrop && selection < BlackPawn) {
12409 selection = (ChessSquare) ((int) selection
12410 + (int) BlackPawn - (int) WhitePawn);
12412 if (boards[currentMove][y][x] != EmptySquare) {
12413 DisplayMoveError(_("That square is occupied"));
12417 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
12423 /* Accept a pending offer of any kind from opponent */
12425 if (appData.icsActive) {
12426 SendToICS(ics_prefix);
12427 SendToICS("accept\n");
12428 } else if (cmailMsgLoaded) {
12429 if (currentMove == cmailOldMove &&
12430 commentList[cmailOldMove] != NULL &&
12431 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12432 "Black offers a draw" : "White offers a draw")) {
12434 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12435 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12437 DisplayError(_("There is no pending offer on this move"), 0);
12438 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12441 /* Not used for offers from chess program */
12448 /* Decline a pending offer of any kind from opponent */
12450 if (appData.icsActive) {
12451 SendToICS(ics_prefix);
12452 SendToICS("decline\n");
12453 } else if (cmailMsgLoaded) {
12454 if (currentMove == cmailOldMove &&
12455 commentList[cmailOldMove] != NULL &&
12456 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12457 "Black offers a draw" : "White offers a draw")) {
12459 AppendComment(cmailOldMove, "Draw declined", TRUE);
12460 DisplayComment(cmailOldMove - 1, "Draw declined");
12463 DisplayError(_("There is no pending offer on this move"), 0);
12466 /* Not used for offers from chess program */
12473 /* Issue ICS rematch command */
12474 if (appData.icsActive) {
12475 SendToICS(ics_prefix);
12476 SendToICS("rematch\n");
12483 /* Call your opponent's flag (claim a win on time) */
12484 if (appData.icsActive) {
12485 SendToICS(ics_prefix);
12486 SendToICS("flag\n");
12488 switch (gameMode) {
12491 case MachinePlaysWhite:
12494 GameEnds(GameIsDrawn, "Both players ran out of time",
12497 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
12499 DisplayError(_("Your opponent is not out of time"), 0);
12502 case MachinePlaysBlack:
12505 GameEnds(GameIsDrawn, "Both players ran out of time",
12508 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
12510 DisplayError(_("Your opponent is not out of time"), 0);
12520 /* Offer draw or accept pending draw offer from opponent */
12522 if (appData.icsActive) {
12523 /* Note: tournament rules require draw offers to be
12524 made after you make your move but before you punch
12525 your clock. Currently ICS doesn't let you do that;
12526 instead, you immediately punch your clock after making
12527 a move, but you can offer a draw at any time. */
12529 SendToICS(ics_prefix);
12530 SendToICS("draw\n");
12531 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
12532 } else if (cmailMsgLoaded) {
12533 if (currentMove == cmailOldMove &&
12534 commentList[cmailOldMove] != NULL &&
12535 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12536 "Black offers a draw" : "White offers a draw")) {
12537 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12538 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12539 } else if (currentMove == cmailOldMove + 1) {
12540 char *offer = WhiteOnMove(cmailOldMove) ?
12541 "White offers a draw" : "Black offers a draw";
12542 AppendComment(currentMove, offer, TRUE);
12543 DisplayComment(currentMove - 1, offer);
12544 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
12546 DisplayError(_("You must make your move before offering a draw"), 0);
12547 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12549 } else if (first.offeredDraw) {
12550 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
12552 if (first.sendDrawOffers) {
12553 SendToProgram("draw\n", &first);
12554 userOfferedDraw = TRUE;
12562 /* Offer Adjourn or accept pending Adjourn offer from opponent */
12564 if (appData.icsActive) {
12565 SendToICS(ics_prefix);
12566 SendToICS("adjourn\n");
12568 /* Currently GNU Chess doesn't offer or accept Adjourns */
12576 /* Offer Abort or accept pending Abort offer from opponent */
12578 if (appData.icsActive) {
12579 SendToICS(ics_prefix);
12580 SendToICS("abort\n");
12582 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
12589 /* Resign. You can do this even if it's not your turn. */
12591 if (appData.icsActive) {
12592 SendToICS(ics_prefix);
12593 SendToICS("resign\n");
12595 switch (gameMode) {
12596 case MachinePlaysWhite:
12597 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12599 case MachinePlaysBlack:
12600 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12603 if (cmailMsgLoaded) {
12605 if (WhiteOnMove(cmailOldMove)) {
12606 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12608 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12610 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
12621 StopObservingEvent()
12623 /* Stop observing current games */
12624 SendToICS(ics_prefix);
12625 SendToICS("unobserve\n");
12629 StopExaminingEvent()
12631 /* Stop observing current game */
12632 SendToICS(ics_prefix);
12633 SendToICS("unexamine\n");
12637 ForwardInner(target)
12642 if (appData.debugMode)
12643 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
12644 target, currentMove, forwardMostMove);
12646 if (gameMode == EditPosition)
12649 if (gameMode == PlayFromGameFile && !pausing)
12652 if (gameMode == IcsExamining && pausing)
12653 limit = pauseExamForwardMostMove;
12655 limit = forwardMostMove;
12657 if (target > limit) target = limit;
12659 if (target > 0 && moveList[target - 1][0]) {
12660 int fromX, fromY, toX, toY;
12661 toX = moveList[target - 1][2] - AAA;
12662 toY = moveList[target - 1][3] - ONE;
12663 if (moveList[target - 1][1] == '@') {
12664 if (appData.highlightLastMove) {
12665 SetHighlights(-1, -1, toX, toY);
12668 fromX = moveList[target - 1][0] - AAA;
12669 fromY = moveList[target - 1][1] - ONE;
12670 if (target == currentMove + 1) {
12671 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12673 if (appData.highlightLastMove) {
12674 SetHighlights(fromX, fromY, toX, toY);
12678 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12679 gameMode == Training || gameMode == PlayFromGameFile ||
12680 gameMode == AnalyzeFile) {
12681 while (currentMove < target) {
12682 SendMoveToProgram(currentMove++, &first);
12685 currentMove = target;
12688 if (gameMode == EditGame || gameMode == EndOfGame) {
12689 whiteTimeRemaining = timeRemaining[0][currentMove];
12690 blackTimeRemaining = timeRemaining[1][currentMove];
12692 DisplayBothClocks();
12693 DisplayMove(currentMove - 1);
12694 DrawPosition(FALSE, boards[currentMove]);
12695 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12696 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
12697 DisplayComment(currentMove - 1, commentList[currentMove]);
12705 if (gameMode == IcsExamining && !pausing) {
12706 SendToICS(ics_prefix);
12707 SendToICS("forward\n");
12709 ForwardInner(currentMove + 1);
12716 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12717 /* to optimze, we temporarily turn off analysis mode while we feed
12718 * the remaining moves to the engine. Otherwise we get analysis output
12721 if (first.analysisSupport) {
12722 SendToProgram("exit\nforce\n", &first);
12723 first.analyzing = FALSE;
12727 if (gameMode == IcsExamining && !pausing) {
12728 SendToICS(ics_prefix);
12729 SendToICS("forward 999999\n");
12731 ForwardInner(forwardMostMove);
12734 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12735 /* we have fed all the moves, so reactivate analysis mode */
12736 SendToProgram("analyze\n", &first);
12737 first.analyzing = TRUE;
12738 /*first.maybeThinking = TRUE;*/
12739 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12744 BackwardInner(target)
12747 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
12749 if (appData.debugMode)
12750 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
12751 target, currentMove, forwardMostMove);
12753 if (gameMode == EditPosition) return;
12754 if (currentMove <= backwardMostMove) {
12756 DrawPosition(full_redraw, boards[currentMove]);
12759 if (gameMode == PlayFromGameFile && !pausing)
12762 if (moveList[target][0]) {
12763 int fromX, fromY, toX, toY;
12764 toX = moveList[target][2] - AAA;
12765 toY = moveList[target][3] - ONE;
12766 if (moveList[target][1] == '@') {
12767 if (appData.highlightLastMove) {
12768 SetHighlights(-1, -1, toX, toY);
12771 fromX = moveList[target][0] - AAA;
12772 fromY = moveList[target][1] - ONE;
12773 if (target == currentMove - 1) {
12774 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
12776 if (appData.highlightLastMove) {
12777 SetHighlights(fromX, fromY, toX, toY);
12781 if (gameMode == EditGame || gameMode==AnalyzeMode ||
12782 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
12783 while (currentMove > target) {
12784 SendToProgram("undo\n", &first);
12788 currentMove = target;
12791 if (gameMode == EditGame || gameMode == EndOfGame) {
12792 whiteTimeRemaining = timeRemaining[0][currentMove];
12793 blackTimeRemaining = timeRemaining[1][currentMove];
12795 DisplayBothClocks();
12796 DisplayMove(currentMove - 1);
12797 DrawPosition(full_redraw, boards[currentMove]);
12798 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12799 // [HGM] PV info: routine tests if comment empty
12800 DisplayComment(currentMove - 1, commentList[currentMove]);
12806 if (gameMode == IcsExamining && !pausing) {
12807 SendToICS(ics_prefix);
12808 SendToICS("backward\n");
12810 BackwardInner(currentMove - 1);
12817 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12818 /* to optimize, we temporarily turn off analysis mode while we undo
12819 * all the moves. Otherwise we get analysis output after each undo.
12821 if (first.analysisSupport) {
12822 SendToProgram("exit\nforce\n", &first);
12823 first.analyzing = FALSE;
12827 if (gameMode == IcsExamining && !pausing) {
12828 SendToICS(ics_prefix);
12829 SendToICS("backward 999999\n");
12831 BackwardInner(backwardMostMove);
12834 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12835 /* we have fed all the moves, so reactivate analysis mode */
12836 SendToProgram("analyze\n", &first);
12837 first.analyzing = TRUE;
12838 /*first.maybeThinking = TRUE;*/
12839 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12846 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
12847 if (to >= forwardMostMove) to = forwardMostMove;
12848 if (to <= backwardMostMove) to = backwardMostMove;
12849 if (to < currentMove) {
12857 RevertEvent(Boolean annotate)
12859 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
12862 if (gameMode != IcsExamining) {
12863 DisplayError(_("You are not examining a game"), 0);
12867 DisplayError(_("You can't revert while pausing"), 0);
12870 SendToICS(ics_prefix);
12871 SendToICS("revert\n");
12877 switch (gameMode) {
12878 case MachinePlaysWhite:
12879 case MachinePlaysBlack:
12880 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12881 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12884 if (forwardMostMove < 2) return;
12885 currentMove = forwardMostMove = forwardMostMove - 2;
12886 whiteTimeRemaining = timeRemaining[0][currentMove];
12887 blackTimeRemaining = timeRemaining[1][currentMove];
12888 DisplayBothClocks();
12889 DisplayMove(currentMove - 1);
12890 ClearHighlights();/*!! could figure this out*/
12891 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
12892 SendToProgram("remove\n", &first);
12893 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
12896 case BeginningOfGame:
12900 case IcsPlayingWhite:
12901 case IcsPlayingBlack:
12902 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
12903 SendToICS(ics_prefix);
12904 SendToICS("takeback 2\n");
12906 SendToICS(ics_prefix);
12907 SendToICS("takeback 1\n");
12916 ChessProgramState *cps;
12918 switch (gameMode) {
12919 case MachinePlaysWhite:
12920 if (!WhiteOnMove(forwardMostMove)) {
12921 DisplayError(_("It is your turn"), 0);
12926 case MachinePlaysBlack:
12927 if (WhiteOnMove(forwardMostMove)) {
12928 DisplayError(_("It is your turn"), 0);
12933 case TwoMachinesPlay:
12934 if (WhiteOnMove(forwardMostMove) ==
12935 (first.twoMachinesColor[0] == 'w')) {
12941 case BeginningOfGame:
12945 SendToProgram("?\n", cps);
12949 TruncateGameEvent()
12952 if (gameMode != EditGame) return;
12959 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
12960 if (forwardMostMove > currentMove) {
12961 if (gameInfo.resultDetails != NULL) {
12962 free(gameInfo.resultDetails);
12963 gameInfo.resultDetails = NULL;
12964 gameInfo.result = GameUnfinished;
12966 forwardMostMove = currentMove;
12967 HistorySet(parseList, backwardMostMove, forwardMostMove,
12975 if (appData.noChessProgram) return;
12976 switch (gameMode) {
12977 case MachinePlaysWhite:
12978 if (WhiteOnMove(forwardMostMove)) {
12979 DisplayError(_("Wait until your turn"), 0);
12983 case BeginningOfGame:
12984 case MachinePlaysBlack:
12985 if (!WhiteOnMove(forwardMostMove)) {
12986 DisplayError(_("Wait until your turn"), 0);
12991 DisplayError(_("No hint available"), 0);
12994 SendToProgram("hint\n", &first);
12995 hintRequested = TRUE;
13001 if (appData.noChessProgram) return;
13002 switch (gameMode) {
13003 case MachinePlaysWhite:
13004 if (WhiteOnMove(forwardMostMove)) {
13005 DisplayError(_("Wait until your turn"), 0);
13009 case BeginningOfGame:
13010 case MachinePlaysBlack:
13011 if (!WhiteOnMove(forwardMostMove)) {
13012 DisplayError(_("Wait until your turn"), 0);
13017 EditPositionDone(TRUE);
13019 case TwoMachinesPlay:
13024 SendToProgram("bk\n", &first);
13025 bookOutput[0] = NULLCHAR;
13026 bookRequested = TRUE;
13032 char *tags = PGNTags(&gameInfo);
13033 TagsPopUp(tags, CmailMsg());
13037 /* end button procedures */
13040 PrintPosition(fp, move)
13046 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13047 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
13048 char c = PieceToChar(boards[move][i][j]);
13049 fputc(c == 'x' ? '.' : c, fp);
13050 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
13053 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
13054 fprintf(fp, "white to play\n");
13056 fprintf(fp, "black to play\n");
13063 if (gameInfo.white != NULL) {
13064 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
13070 /* Find last component of program's own name, using some heuristics */
13072 TidyProgramName(prog, host, buf)
13073 char *prog, *host, buf[MSG_SIZ];
13076 int local = (strcmp(host, "localhost") == 0);
13077 while (!local && (p = strchr(prog, ';')) != NULL) {
13079 while (*p == ' ') p++;
13082 if (*prog == '"' || *prog == '\'') {
13083 q = strchr(prog + 1, *prog);
13085 q = strchr(prog, ' ');
13087 if (q == NULL) q = prog + strlen(prog);
13089 while (p >= prog && *p != '/' && *p != '\\') p--;
13091 if(p == prog && *p == '"') p++;
13092 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
13093 memcpy(buf, p, q - p);
13094 buf[q - p] = NULLCHAR;
13102 TimeControlTagValue()
13105 if (!appData.clockMode) {
13106 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
13107 } else if (movesPerSession > 0) {
13108 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
13109 } else if (timeIncrement == 0) {
13110 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
13112 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
13114 return StrSave(buf);
13120 /* This routine is used only for certain modes */
13121 VariantClass v = gameInfo.variant;
13122 ChessMove r = GameUnfinished;
13125 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
13126 r = gameInfo.result;
13127 p = gameInfo.resultDetails;
13128 gameInfo.resultDetails = NULL;
13130 ClearGameInfo(&gameInfo);
13131 gameInfo.variant = v;
13133 switch (gameMode) {
13134 case MachinePlaysWhite:
13135 gameInfo.event = StrSave( appData.pgnEventHeader );
13136 gameInfo.site = StrSave(HostName());
13137 gameInfo.date = PGNDate();
13138 gameInfo.round = StrSave("-");
13139 gameInfo.white = StrSave(first.tidy);
13140 gameInfo.black = StrSave(UserName());
13141 gameInfo.timeControl = TimeControlTagValue();
13144 case MachinePlaysBlack:
13145 gameInfo.event = StrSave( appData.pgnEventHeader );
13146 gameInfo.site = StrSave(HostName());
13147 gameInfo.date = PGNDate();
13148 gameInfo.round = StrSave("-");
13149 gameInfo.white = StrSave(UserName());
13150 gameInfo.black = StrSave(first.tidy);
13151 gameInfo.timeControl = TimeControlTagValue();
13154 case TwoMachinesPlay:
13155 gameInfo.event = StrSave( appData.pgnEventHeader );
13156 gameInfo.site = StrSave(HostName());
13157 gameInfo.date = PGNDate();
13158 if (matchGame > 0) {
13160 snprintf(buf, MSG_SIZ, "%d", matchGame);
13161 gameInfo.round = StrSave(buf);
13163 gameInfo.round = StrSave("-");
13165 if (first.twoMachinesColor[0] == 'w') {
13166 gameInfo.white = StrSave(first.tidy);
13167 gameInfo.black = StrSave(second.tidy);
13169 gameInfo.white = StrSave(second.tidy);
13170 gameInfo.black = StrSave(first.tidy);
13172 gameInfo.timeControl = TimeControlTagValue();
13176 gameInfo.event = StrSave("Edited game");
13177 gameInfo.site = StrSave(HostName());
13178 gameInfo.date = PGNDate();
13179 gameInfo.round = StrSave("-");
13180 gameInfo.white = StrSave("-");
13181 gameInfo.black = StrSave("-");
13182 gameInfo.result = r;
13183 gameInfo.resultDetails = p;
13187 gameInfo.event = StrSave("Edited position");
13188 gameInfo.site = StrSave(HostName());
13189 gameInfo.date = PGNDate();
13190 gameInfo.round = StrSave("-");
13191 gameInfo.white = StrSave("-");
13192 gameInfo.black = StrSave("-");
13195 case IcsPlayingWhite:
13196 case IcsPlayingBlack:
13201 case PlayFromGameFile:
13202 gameInfo.event = StrSave("Game from non-PGN file");
13203 gameInfo.site = StrSave(HostName());
13204 gameInfo.date = PGNDate();
13205 gameInfo.round = StrSave("-");
13206 gameInfo.white = StrSave("?");
13207 gameInfo.black = StrSave("?");
13216 ReplaceComment(index, text)
13222 while (*text == '\n') text++;
13223 len = strlen(text);
13224 while (len > 0 && text[len - 1] == '\n') len--;
13226 if (commentList[index] != NULL)
13227 free(commentList[index]);
13230 commentList[index] = NULL;
13233 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
13234 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
13235 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
13236 commentList[index] = (char *) malloc(len + 2);
13237 strncpy(commentList[index], text, len);
13238 commentList[index][len] = '\n';
13239 commentList[index][len + 1] = NULLCHAR;
13241 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
13243 commentList[index] = (char *) malloc(len + 7);
13244 safeStrCpy(commentList[index], "{\n", 3);
13245 safeStrCpy(commentList[index]+2, text, len+1);
13246 commentList[index][len+2] = NULLCHAR;
13247 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
13248 strcat(commentList[index], "\n}\n");
13262 if (ch == '\r') continue;
13264 } while (ch != '\0');
13268 AppendComment(index, text, addBraces)
13271 Boolean addBraces; // [HGM] braces: tells if we should add {}
13276 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
13277 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
13280 while (*text == '\n') text++;
13281 len = strlen(text);
13282 while (len > 0 && text[len - 1] == '\n') len--;
13284 if (len == 0) return;
13286 if (commentList[index] != NULL) {
13287 old = commentList[index];
13288 oldlen = strlen(old);
13289 while(commentList[index][oldlen-1] == '\n')
13290 commentList[index][--oldlen] = NULLCHAR;
13291 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
13292 safeStrCpy(commentList[index], old, oldlen);
13294 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
13295 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces)) {
13296 if(addBraces) addBraces = FALSE; else { text++; len--; }
13297 while (*text == '\n') { text++; len--; }
13298 commentList[index][--oldlen] = NULLCHAR;
13300 if(addBraces) strcat(commentList[index], "\n{\n");
13301 else strcat(commentList[index], "\n");
13302 strcat(commentList[index], text);
13303 if(addBraces) strcat(commentList[index], "\n}\n");
13304 else strcat(commentList[index], "\n");
13306 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
13308 safeStrCpy(commentList[index], "{\n", sizeof(commentList[index])/sizeof(commentList[index][0]));
13309 else commentList[index][0] = NULLCHAR;
13310 strcat(commentList[index], text);
13311 strcat(commentList[index], "\n");
13312 if(addBraces) strcat(commentList[index], "}\n");
13316 static char * FindStr( char * text, char * sub_text )
13318 char * result = strstr( text, sub_text );
13320 if( result != NULL ) {
13321 result += strlen( sub_text );
13327 /* [AS] Try to extract PV info from PGN comment */
13328 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
13329 char *GetInfoFromComment( int index, char * text )
13333 if( text != NULL && index > 0 ) {
13336 int time = -1, sec = 0, deci;
13337 char * s_eval = FindStr( text, "[%eval " );
13338 char * s_emt = FindStr( text, "[%emt " );
13340 if( s_eval != NULL || s_emt != NULL ) {
13344 if( s_eval != NULL ) {
13345 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
13349 if( delim != ']' ) {
13354 if( s_emt != NULL ) {
13359 /* We expect something like: [+|-]nnn.nn/dd */
13362 if(*text != '{') return text; // [HGM] braces: must be normal comment
13364 sep = strchr( text, '/' );
13365 if( sep == NULL || sep < (text+4) ) {
13369 time = -1; sec = -1; deci = -1;
13370 if( sscanf( text+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
13371 sscanf( text+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
13372 sscanf( text+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
13373 sscanf( text+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
13377 if( score_lo < 0 || score_lo >= 100 ) {
13381 if(sec >= 0) time = 600*time + 10*sec; else
13382 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
13384 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
13386 /* [HGM] PV time: now locate end of PV info */
13387 while( *++sep >= '0' && *sep <= '9'); // strip depth
13389 while( *++sep >= '0' && *sep <= '9'); // strip time
13391 while( *++sep >= '0' && *sep <= '9'); // strip seconds
13393 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
13394 while(*sep == ' ') sep++;
13405 pvInfoList[index-1].depth = depth;
13406 pvInfoList[index-1].score = score;
13407 pvInfoList[index-1].time = 10*time; // centi-sec
13408 if(*sep == '}') *sep = 0; else *--sep = '{';
13414 SendToProgram(message, cps)
13416 ChessProgramState *cps;
13418 int count, outCount, error;
13421 if (cps->pr == NULL) return;
13424 if (appData.debugMode) {
13427 fprintf(debugFP, "%ld >%-6s: %s",
13428 SubtractTimeMarks(&now, &programStartTime),
13429 cps->which, message);
13432 count = strlen(message);
13433 outCount = OutputToProcess(cps->pr, message, count, &error);
13434 if (outCount < count && !exiting
13435 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
13436 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), cps->which);
13437 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13438 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13439 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13440 snprintf(buf, MSG_SIZ, "%s program exits in draw position (%s)", cps->which, cps->program);
13442 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13444 gameInfo.resultDetails = StrSave(buf);
13446 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13451 ReceiveFromProgram(isr, closure, message, count, error)
13452 InputSourceRef isr;
13460 ChessProgramState *cps = (ChessProgramState *)closure;
13462 if (isr != cps->isr) return; /* Killed intentionally */
13465 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
13466 cps->which, cps->program);
13467 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13468 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13469 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13470 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), cps->which, cps->program);
13472 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13474 gameInfo.resultDetails = StrSave(buf);
13476 RemoveInputSource(cps->isr);
13477 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
13479 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
13480 cps->which, cps->program);
13481 RemoveInputSource(cps->isr);
13483 /* [AS] Program is misbehaving badly... kill it */
13484 if( count == -2 ) {
13485 DestroyChildProcess( cps->pr, 9 );
13489 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13494 if ((end_str = strchr(message, '\r')) != NULL)
13495 *end_str = NULLCHAR;
13496 if ((end_str = strchr(message, '\n')) != NULL)
13497 *end_str = NULLCHAR;
13499 if (appData.debugMode) {
13500 TimeMark now; int print = 1;
13501 char *quote = ""; char c; int i;
13503 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
13504 char start = message[0];
13505 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
13506 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
13507 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
13508 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
13509 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
13510 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
13511 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
13512 sscanf(message, "pong %c", &c)!=1 && start != '#') {
13513 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
13514 print = (appData.engineComments >= 2);
13516 message[0] = start; // restore original message
13520 fprintf(debugFP, "%ld <%-6s: %s%s\n",
13521 SubtractTimeMarks(&now, &programStartTime), cps->which,
13527 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
13528 if (appData.icsEngineAnalyze) {
13529 if (strstr(message, "whisper") != NULL ||
13530 strstr(message, "kibitz") != NULL ||
13531 strstr(message, "tellics") != NULL) return;
13534 HandleMachineMove(message, cps);
13539 SendTimeControl(cps, mps, tc, inc, sd, st)
13540 ChessProgramState *cps;
13541 int mps, inc, sd, st;
13547 if( timeControl_2 > 0 ) {
13548 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
13549 tc = timeControl_2;
13552 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
13553 inc /= cps->timeOdds;
13554 st /= cps->timeOdds;
13556 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
13559 /* Set exact time per move, normally using st command */
13560 if (cps->stKludge) {
13561 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
13563 if (seconds == 0) {
13564 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
13566 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
13569 snprintf(buf, MSG_SIZ, "st %d\n", st);
13572 /* Set conventional or incremental time control, using level command */
13573 if (seconds == 0) {
13574 /* Note old gnuchess bug -- minutes:seconds used to not work.
13575 Fixed in later versions, but still avoid :seconds
13576 when seconds is 0. */
13577 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000);
13579 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
13580 seconds, inc/1000);
13583 SendToProgram(buf, cps);
13585 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
13586 /* Orthogonally, limit search to given depth */
13588 if (cps->sdKludge) {
13589 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
13591 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
13593 SendToProgram(buf, cps);
13596 if(cps->nps > 0) { /* [HGM] nps */
13597 if(cps->supportsNPS == FALSE)
13598 cps->nps = -1; // don't use if engine explicitly says not supported!
13600 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
13601 SendToProgram(buf, cps);
13606 ChessProgramState *WhitePlayer()
13607 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
13609 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
13610 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
13616 SendTimeRemaining(cps, machineWhite)
13617 ChessProgramState *cps;
13618 int /*boolean*/ machineWhite;
13620 char message[MSG_SIZ];
13623 /* Note: this routine must be called when the clocks are stopped
13624 or when they have *just* been set or switched; otherwise
13625 it will be off by the time since the current tick started.
13627 if (machineWhite) {
13628 time = whiteTimeRemaining / 10;
13629 otime = blackTimeRemaining / 10;
13631 time = blackTimeRemaining / 10;
13632 otime = whiteTimeRemaining / 10;
13634 /* [HGM] translate opponent's time by time-odds factor */
13635 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
13636 if (appData.debugMode) {
13637 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
13640 if (time <= 0) time = 1;
13641 if (otime <= 0) otime = 1;
13643 snprintf(message, MSG_SIZ, "time %ld\n", time);
13644 SendToProgram(message, cps);
13646 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
13647 SendToProgram(message, cps);
13651 BoolFeature(p, name, loc, cps)
13655 ChessProgramState *cps;
13658 int len = strlen(name);
13661 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13663 sscanf(*p, "%d", &val);
13665 while (**p && **p != ' ')
13667 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13668 SendToProgram(buf, cps);
13675 IntFeature(p, name, loc, cps)
13679 ChessProgramState *cps;
13682 int len = strlen(name);
13683 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13685 sscanf(*p, "%d", loc);
13686 while (**p && **p != ' ') (*p)++;
13687 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13688 SendToProgram(buf, cps);
13695 StringFeature(p, name, loc, cps)
13699 ChessProgramState *cps;
13702 int len = strlen(name);
13703 if (strncmp((*p), name, len) == 0
13704 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
13706 sscanf(*p, "%[^\"]", loc);
13707 while (**p && **p != '\"') (*p)++;
13708 if (**p == '\"') (*p)++;
13709 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13710 SendToProgram(buf, cps);
13717 ParseOption(Option *opt, ChessProgramState *cps)
13718 // [HGM] options: process the string that defines an engine option, and determine
13719 // name, type, default value, and allowed value range
13721 char *p, *q, buf[MSG_SIZ];
13722 int n, min = (-1)<<31, max = 1<<31, def;
13724 if(p = strstr(opt->name, " -spin ")) {
13725 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13726 if(max < min) max = min; // enforce consistency
13727 if(def < min) def = min;
13728 if(def > max) def = max;
13733 } else if((p = strstr(opt->name, " -slider "))) {
13734 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
13735 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13736 if(max < min) max = min; // enforce consistency
13737 if(def < min) def = min;
13738 if(def > max) def = max;
13742 opt->type = Spin; // Slider;
13743 } else if((p = strstr(opt->name, " -string "))) {
13744 opt->textValue = p+9;
13745 opt->type = TextBox;
13746 } else if((p = strstr(opt->name, " -file "))) {
13747 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13748 opt->textValue = p+7;
13749 opt->type = TextBox; // FileName;
13750 } else if((p = strstr(opt->name, " -path "))) {
13751 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13752 opt->textValue = p+7;
13753 opt->type = TextBox; // PathName;
13754 } else if(p = strstr(opt->name, " -check ")) {
13755 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
13756 opt->value = (def != 0);
13757 opt->type = CheckBox;
13758 } else if(p = strstr(opt->name, " -combo ")) {
13759 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
13760 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
13761 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
13762 opt->value = n = 0;
13763 while(q = StrStr(q, " /// ")) {
13764 n++; *q = 0; // count choices, and null-terminate each of them
13766 if(*q == '*') { // remember default, which is marked with * prefix
13770 cps->comboList[cps->comboCnt++] = q;
13772 cps->comboList[cps->comboCnt++] = NULL;
13774 opt->type = ComboBox;
13775 } else if(p = strstr(opt->name, " -button")) {
13776 opt->type = Button;
13777 } else if(p = strstr(opt->name, " -save")) {
13778 opt->type = SaveButton;
13779 } else return FALSE;
13780 *p = 0; // terminate option name
13781 // now look if the command-line options define a setting for this engine option.
13782 if(cps->optionSettings && cps->optionSettings[0])
13783 p = strstr(cps->optionSettings, opt->name); else p = NULL;
13784 if(p && (p == cps->optionSettings || p[-1] == ',')) {
13785 snprintf(buf, MSG_SIZ, "option %s", p);
13786 if(p = strstr(buf, ",")) *p = 0;
13788 SendToProgram(buf, cps);
13794 FeatureDone(cps, val)
13795 ChessProgramState* cps;
13798 DelayedEventCallback cb = GetDelayedEvent();
13799 if ((cb == InitBackEnd3 && cps == &first) ||
13800 (cb == TwoMachinesEventIfReady && cps == &second)) {
13801 CancelDelayedEvent();
13802 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
13804 cps->initDone = val;
13807 /* Parse feature command from engine */
13809 ParseFeatures(args, cps)
13811 ChessProgramState *cps;
13819 while (*p == ' ') p++;
13820 if (*p == NULLCHAR) return;
13822 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
13823 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
13824 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
13825 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
13826 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
13827 if (BoolFeature(&p, "reuse", &val, cps)) {
13828 /* Engine can disable reuse, but can't enable it if user said no */
13829 if (!val) cps->reuse = FALSE;
13832 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
13833 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
13834 if (gameMode == TwoMachinesPlay) {
13835 DisplayTwoMachinesTitle();
13841 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
13842 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
13843 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
13844 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
13845 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
13846 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
13847 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
13848 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
13849 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
13850 if (IntFeature(&p, "done", &val, cps)) {
13851 FeatureDone(cps, val);
13854 /* Added by Tord: */
13855 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
13856 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
13857 /* End of additions by Tord */
13859 /* [HGM] added features: */
13860 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
13861 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
13862 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
13863 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
13864 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13865 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
13866 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
13867 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
13868 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
13869 SendToProgram(buf, cps);
13872 if(cps->nrOptions >= MAX_OPTIONS) {
13874 snprintf(buf, MSG_SIZ, "%s engine has too many options\n", cps->which);
13875 DisplayError(buf, 0);
13879 /* End of additions by HGM */
13881 /* unknown feature: complain and skip */
13883 while (*q && *q != '=') q++;
13884 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
13885 SendToProgram(buf, cps);
13891 while (*p && *p != '\"') p++;
13892 if (*p == '\"') p++;
13894 while (*p && *p != ' ') p++;
13902 PeriodicUpdatesEvent(newState)
13905 if (newState == appData.periodicUpdates)
13908 appData.periodicUpdates=newState;
13910 /* Display type changes, so update it now */
13911 // DisplayAnalysis();
13913 /* Get the ball rolling again... */
13915 AnalysisPeriodicEvent(1);
13916 StartAnalysisClock();
13921 PonderNextMoveEvent(newState)
13924 if (newState == appData.ponderNextMove) return;
13925 if (gameMode == EditPosition) EditPositionDone(TRUE);
13927 SendToProgram("hard\n", &first);
13928 if (gameMode == TwoMachinesPlay) {
13929 SendToProgram("hard\n", &second);
13932 SendToProgram("easy\n", &first);
13933 thinkOutput[0] = NULLCHAR;
13934 if (gameMode == TwoMachinesPlay) {
13935 SendToProgram("easy\n", &second);
13938 appData.ponderNextMove = newState;
13942 NewSettingEvent(option, feature, command, value)
13944 int option, value, *feature;
13948 if (gameMode == EditPosition) EditPositionDone(TRUE);
13949 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
13950 if(feature == NULL || *feature) SendToProgram(buf, &first);
13951 if (gameMode == TwoMachinesPlay) {
13952 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
13957 ShowThinkingEvent()
13958 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
13960 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
13961 int newState = appData.showThinking
13962 // [HGM] thinking: other features now need thinking output as well
13963 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
13965 if (oldState == newState) return;
13966 oldState = newState;
13967 if (gameMode == EditPosition) EditPositionDone(TRUE);
13969 SendToProgram("post\n", &first);
13970 if (gameMode == TwoMachinesPlay) {
13971 SendToProgram("post\n", &second);
13974 SendToProgram("nopost\n", &first);
13975 thinkOutput[0] = NULLCHAR;
13976 if (gameMode == TwoMachinesPlay) {
13977 SendToProgram("nopost\n", &second);
13980 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
13984 AskQuestionEvent(title, question, replyPrefix, which)
13985 char *title; char *question; char *replyPrefix; char *which;
13987 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
13988 if (pr == NoProc) return;
13989 AskQuestion(title, question, replyPrefix, pr);
13993 DisplayMove(moveNumber)
13996 char message[MSG_SIZ];
13998 char cpThinkOutput[MSG_SIZ];
14000 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
14002 if (moveNumber == forwardMostMove - 1 ||
14003 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14005 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
14007 if (strchr(cpThinkOutput, '\n')) {
14008 *strchr(cpThinkOutput, '\n') = NULLCHAR;
14011 *cpThinkOutput = NULLCHAR;
14014 /* [AS] Hide thinking from human user */
14015 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
14016 *cpThinkOutput = NULLCHAR;
14017 if( thinkOutput[0] != NULLCHAR ) {
14020 for( i=0; i<=hiddenThinkOutputState; i++ ) {
14021 cpThinkOutput[i] = '.';
14023 cpThinkOutput[i] = NULLCHAR;
14024 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
14028 if (moveNumber == forwardMostMove - 1 &&
14029 gameInfo.resultDetails != NULL) {
14030 if (gameInfo.resultDetails[0] == NULLCHAR) {
14031 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
14033 snprintf(res, MSG_SIZ, " {%s} %s",
14034 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
14040 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14041 DisplayMessage(res, cpThinkOutput);
14043 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
14044 WhiteOnMove(moveNumber) ? " " : ".. ",
14045 parseList[moveNumber], res);
14046 DisplayMessage(message, cpThinkOutput);
14051 DisplayComment(moveNumber, text)
14055 char title[MSG_SIZ];
14056 char buf[8000]; // comment can be long!
14059 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14060 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
14062 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
14063 WhiteOnMove(moveNumber) ? " " : ".. ",
14064 parseList[moveNumber]);
14066 // [HGM] PV info: display PV info together with (or as) comment
14067 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
14068 if(text == NULL) text = "";
14069 score = pvInfoList[moveNumber].score;
14070 snprintf(buf,sizeof(buf)/sizeof(buf[0]), "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
14071 depth, (pvInfoList[moveNumber].time+50)/100, text);
14074 if (text != NULL && (appData.autoDisplayComment || commentUp))
14075 CommentPopUp(title, text);
14078 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
14079 * might be busy thinking or pondering. It can be omitted if your
14080 * gnuchess is configured to stop thinking immediately on any user
14081 * input. However, that gnuchess feature depends on the FIONREAD
14082 * ioctl, which does not work properly on some flavors of Unix.
14086 ChessProgramState *cps;
14089 if (!cps->useSigint) return;
14090 if (appData.noChessProgram || (cps->pr == NoProc)) return;
14091 switch (gameMode) {
14092 case MachinePlaysWhite:
14093 case MachinePlaysBlack:
14094 case TwoMachinesPlay:
14095 case IcsPlayingWhite:
14096 case IcsPlayingBlack:
14099 /* Skip if we know it isn't thinking */
14100 if (!cps->maybeThinking) return;
14101 if (appData.debugMode)
14102 fprintf(debugFP, "Interrupting %s\n", cps->which);
14103 InterruptChildProcess(cps->pr);
14104 cps->maybeThinking = FALSE;
14109 #endif /*ATTENTION*/
14115 if (whiteTimeRemaining <= 0) {
14118 if (appData.icsActive) {
14119 if (appData.autoCallFlag &&
14120 gameMode == IcsPlayingBlack && !blackFlag) {
14121 SendToICS(ics_prefix);
14122 SendToICS("flag\n");
14126 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14128 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
14129 if (appData.autoCallFlag) {
14130 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
14137 if (blackTimeRemaining <= 0) {
14140 if (appData.icsActive) {
14141 if (appData.autoCallFlag &&
14142 gameMode == IcsPlayingWhite && !whiteFlag) {
14143 SendToICS(ics_prefix);
14144 SendToICS("flag\n");
14148 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14150 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
14151 if (appData.autoCallFlag) {
14152 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
14165 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
14166 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
14169 * add time to clocks when time control is achieved ([HGM] now also used for increment)
14171 if ( !WhiteOnMove(forwardMostMove) ) {
14172 /* White made time control */
14173 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
14174 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
14175 /* [HGM] time odds: correct new time quota for time odds! */
14176 / WhitePlayer()->timeOdds;
14177 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
14179 lastBlack -= blackTimeRemaining;
14180 /* Black made time control */
14181 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
14182 / WhitePlayer()->other->timeOdds;
14183 lastWhite = whiteTimeRemaining;
14188 DisplayBothClocks()
14190 int wom = gameMode == EditPosition ?
14191 !blackPlaysFirst : WhiteOnMove(currentMove);
14192 DisplayWhiteClock(whiteTimeRemaining, wom);
14193 DisplayBlackClock(blackTimeRemaining, !wom);
14197 /* Timekeeping seems to be a portability nightmare. I think everyone
14198 has ftime(), but I'm really not sure, so I'm including some ifdefs
14199 to use other calls if you don't. Clocks will be less accurate if
14200 you have neither ftime nor gettimeofday.
14203 /* VS 2008 requires the #include outside of the function */
14204 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
14205 #include <sys/timeb.h>
14208 /* Get the current time as a TimeMark */
14213 #if HAVE_GETTIMEOFDAY
14215 struct timeval timeVal;
14216 struct timezone timeZone;
14218 gettimeofday(&timeVal, &timeZone);
14219 tm->sec = (long) timeVal.tv_sec;
14220 tm->ms = (int) (timeVal.tv_usec / 1000L);
14222 #else /*!HAVE_GETTIMEOFDAY*/
14225 // include <sys/timeb.h> / moved to just above start of function
14226 struct timeb timeB;
14229 tm->sec = (long) timeB.time;
14230 tm->ms = (int) timeB.millitm;
14232 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
14233 tm->sec = (long) time(NULL);
14239 /* Return the difference in milliseconds between two
14240 time marks. We assume the difference will fit in a long!
14243 SubtractTimeMarks(tm2, tm1)
14244 TimeMark *tm2, *tm1;
14246 return 1000L*(tm2->sec - tm1->sec) +
14247 (long) (tm2->ms - tm1->ms);
14252 * Code to manage the game clocks.
14254 * In tournament play, black starts the clock and then white makes a move.
14255 * We give the human user a slight advantage if he is playing white---the
14256 * clocks don't run until he makes his first move, so it takes zero time.
14257 * Also, we don't account for network lag, so we could get out of sync
14258 * with GNU Chess's clock -- but then, referees are always right.
14261 static TimeMark tickStartTM;
14262 static long intendedTickLength;
14265 NextTickLength(timeRemaining)
14266 long timeRemaining;
14268 long nominalTickLength, nextTickLength;
14270 if (timeRemaining > 0L && timeRemaining <= 10000L)
14271 nominalTickLength = 100L;
14273 nominalTickLength = 1000L;
14274 nextTickLength = timeRemaining % nominalTickLength;
14275 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
14277 return nextTickLength;
14280 /* Adjust clock one minute up or down */
14282 AdjustClock(Boolean which, int dir)
14284 if(which) blackTimeRemaining += 60000*dir;
14285 else whiteTimeRemaining += 60000*dir;
14286 DisplayBothClocks();
14289 /* Stop clocks and reset to a fresh time control */
14293 (void) StopClockTimer();
14294 if (appData.icsActive) {
14295 whiteTimeRemaining = blackTimeRemaining = 0;
14296 } else if (searchTime) {
14297 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14298 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14299 } else { /* [HGM] correct new time quote for time odds */
14300 whiteTC = blackTC = fullTimeControlString;
14301 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
14302 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
14304 if (whiteFlag || blackFlag) {
14306 whiteFlag = blackFlag = FALSE;
14308 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
14309 DisplayBothClocks();
14312 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
14314 /* Decrement running clock by amount of time that has passed */
14318 long timeRemaining;
14319 long lastTickLength, fudge;
14322 if (!appData.clockMode) return;
14323 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
14327 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14329 /* Fudge if we woke up a little too soon */
14330 fudge = intendedTickLength - lastTickLength;
14331 if (fudge < 0 || fudge > FUDGE) fudge = 0;
14333 if (WhiteOnMove(forwardMostMove)) {
14334 if(whiteNPS >= 0) lastTickLength = 0;
14335 timeRemaining = whiteTimeRemaining -= lastTickLength;
14336 if(timeRemaining < 0 && !appData.icsActive) {
14337 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
14338 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
14339 whiteStartMove = forwardMostMove; whiteTC = nextSession;
14340 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
14343 DisplayWhiteClock(whiteTimeRemaining - fudge,
14344 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14346 if(blackNPS >= 0) lastTickLength = 0;
14347 timeRemaining = blackTimeRemaining -= lastTickLength;
14348 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
14349 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
14351 blackStartMove = forwardMostMove;
14352 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
14355 DisplayBlackClock(blackTimeRemaining - fudge,
14356 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14358 if (CheckFlags()) return;
14361 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
14362 StartClockTimer(intendedTickLength);
14364 /* if the time remaining has fallen below the alarm threshold, sound the
14365 * alarm. if the alarm has sounded and (due to a takeback or time control
14366 * with increment) the time remaining has increased to a level above the
14367 * threshold, reset the alarm so it can sound again.
14370 if (appData.icsActive && appData.icsAlarm) {
14372 /* make sure we are dealing with the user's clock */
14373 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
14374 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
14377 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
14378 alarmSounded = FALSE;
14379 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
14381 alarmSounded = TRUE;
14387 /* A player has just moved, so stop the previously running
14388 clock and (if in clock mode) start the other one.
14389 We redisplay both clocks in case we're in ICS mode, because
14390 ICS gives us an update to both clocks after every move.
14391 Note that this routine is called *after* forwardMostMove
14392 is updated, so the last fractional tick must be subtracted
14393 from the color that is *not* on move now.
14396 SwitchClocks(int newMoveNr)
14398 long lastTickLength;
14400 int flagged = FALSE;
14404 if (StopClockTimer() && appData.clockMode) {
14405 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14406 if (!WhiteOnMove(forwardMostMove)) {
14407 if(blackNPS >= 0) lastTickLength = 0;
14408 blackTimeRemaining -= lastTickLength;
14409 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14410 // if(pvInfoList[forwardMostMove-1].time == -1)
14411 pvInfoList[forwardMostMove-1].time = // use GUI time
14412 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
14414 if(whiteNPS >= 0) lastTickLength = 0;
14415 whiteTimeRemaining -= lastTickLength;
14416 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14417 // if(pvInfoList[forwardMostMove-1].time == -1)
14418 pvInfoList[forwardMostMove-1].time =
14419 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
14421 flagged = CheckFlags();
14423 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
14424 CheckTimeControl();
14426 if (flagged || !appData.clockMode) return;
14428 switch (gameMode) {
14429 case MachinePlaysBlack:
14430 case MachinePlaysWhite:
14431 case BeginningOfGame:
14432 if (pausing) return;
14436 case PlayFromGameFile:
14444 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
14445 if(WhiteOnMove(forwardMostMove))
14446 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14447 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14451 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14452 whiteTimeRemaining : blackTimeRemaining);
14453 StartClockTimer(intendedTickLength);
14457 /* Stop both clocks */
14461 long lastTickLength;
14464 if (!StopClockTimer()) return;
14465 if (!appData.clockMode) return;
14469 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14470 if (WhiteOnMove(forwardMostMove)) {
14471 if(whiteNPS >= 0) lastTickLength = 0;
14472 whiteTimeRemaining -= lastTickLength;
14473 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
14475 if(blackNPS >= 0) lastTickLength = 0;
14476 blackTimeRemaining -= lastTickLength;
14477 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
14482 /* Start clock of player on move. Time may have been reset, so
14483 if clock is already running, stop and restart it. */
14487 (void) StopClockTimer(); /* in case it was running already */
14488 DisplayBothClocks();
14489 if (CheckFlags()) return;
14491 if (!appData.clockMode) return;
14492 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
14494 GetTimeMark(&tickStartTM);
14495 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14496 whiteTimeRemaining : blackTimeRemaining);
14498 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
14499 whiteNPS = blackNPS = -1;
14500 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
14501 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
14502 whiteNPS = first.nps;
14503 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
14504 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
14505 blackNPS = first.nps;
14506 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
14507 whiteNPS = second.nps;
14508 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
14509 blackNPS = second.nps;
14510 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
14512 StartClockTimer(intendedTickLength);
14519 long second, minute, hour, day;
14521 static char buf[32];
14523 if (ms > 0 && ms <= 9900) {
14524 /* convert milliseconds to tenths, rounding up */
14525 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
14527 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
14531 /* convert milliseconds to seconds, rounding up */
14532 /* use floating point to avoid strangeness of integer division
14533 with negative dividends on many machines */
14534 second = (long) floor(((double) (ms + 999L)) / 1000.0);
14541 day = second / (60 * 60 * 24);
14542 second = second % (60 * 60 * 24);
14543 hour = second / (60 * 60);
14544 second = second % (60 * 60);
14545 minute = second / 60;
14546 second = second % 60;
14549 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
14550 sign, day, hour, minute, second);
14552 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
14554 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
14561 * This is necessary because some C libraries aren't ANSI C compliant yet.
14564 StrStr(string, match)
14565 char *string, *match;
14569 length = strlen(match);
14571 for (i = strlen(string) - length; i >= 0; i--, string++)
14572 if (!strncmp(match, string, length))
14579 StrCaseStr(string, match)
14580 char *string, *match;
14584 length = strlen(match);
14586 for (i = strlen(string) - length; i >= 0; i--, string++) {
14587 for (j = 0; j < length; j++) {
14588 if (ToLower(match[j]) != ToLower(string[j]))
14591 if (j == length) return string;
14605 c1 = ToLower(*s1++);
14606 c2 = ToLower(*s2++);
14607 if (c1 > c2) return 1;
14608 if (c1 < c2) return -1;
14609 if (c1 == NULLCHAR) return 0;
14618 return isupper(c) ? tolower(c) : c;
14626 return islower(c) ? toupper(c) : c;
14628 #endif /* !_amigados */
14636 if ((ret = (char *) malloc(strlen(s) + 1)))
14638 safeStrCpy(ret, s, strlen(s)+1);
14644 StrSavePtr(s, savePtr)
14645 char *s, **savePtr;
14650 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
14651 safeStrCpy(*savePtr, s, strlen(s)+1);
14663 clock = time((time_t *)NULL);
14664 tm = localtime(&clock);
14665 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
14666 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
14667 return StrSave(buf);
14672 PositionToFEN(move, overrideCastling)
14674 char *overrideCastling;
14676 int i, j, fromX, fromY, toX, toY;
14683 whiteToPlay = (gameMode == EditPosition) ?
14684 !blackPlaysFirst : (move % 2 == 0);
14687 /* Piece placement data */
14688 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14690 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14691 if (boards[move][i][j] == EmptySquare) {
14693 } else { ChessSquare piece = boards[move][i][j];
14694 if (emptycount > 0) {
14695 if(emptycount<10) /* [HGM] can be >= 10 */
14696 *p++ = '0' + emptycount;
14697 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14700 if(PieceToChar(piece) == '+') {
14701 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
14703 piece = (ChessSquare)(DEMOTED piece);
14705 *p++ = PieceToChar(piece);
14707 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
14708 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
14713 if (emptycount > 0) {
14714 if(emptycount<10) /* [HGM] can be >= 10 */
14715 *p++ = '0' + emptycount;
14716 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14723 /* [HGM] print Crazyhouse or Shogi holdings */
14724 if( gameInfo.holdingsWidth ) {
14725 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
14727 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
14728 piece = boards[move][i][BOARD_WIDTH-1];
14729 if( piece != EmptySquare )
14730 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
14731 *p++ = PieceToChar(piece);
14733 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
14734 piece = boards[move][BOARD_HEIGHT-i-1][0];
14735 if( piece != EmptySquare )
14736 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
14737 *p++ = PieceToChar(piece);
14740 if( q == p ) *p++ = '-';
14746 *p++ = whiteToPlay ? 'w' : 'b';
14749 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
14750 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
14752 if(nrCastlingRights) {
14754 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
14755 /* [HGM] write directly from rights */
14756 if(boards[move][CASTLING][2] != NoRights &&
14757 boards[move][CASTLING][0] != NoRights )
14758 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
14759 if(boards[move][CASTLING][2] != NoRights &&
14760 boards[move][CASTLING][1] != NoRights )
14761 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
14762 if(boards[move][CASTLING][5] != NoRights &&
14763 boards[move][CASTLING][3] != NoRights )
14764 *p++ = boards[move][CASTLING][3] + AAA;
14765 if(boards[move][CASTLING][5] != NoRights &&
14766 boards[move][CASTLING][4] != NoRights )
14767 *p++ = boards[move][CASTLING][4] + AAA;
14770 /* [HGM] write true castling rights */
14771 if( nrCastlingRights == 6 ) {
14772 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
14773 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
14774 if(boards[move][CASTLING][1] == BOARD_LEFT &&
14775 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
14776 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
14777 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
14778 if(boards[move][CASTLING][4] == BOARD_LEFT &&
14779 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
14782 if (q == p) *p++ = '-'; /* No castling rights */
14786 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14787 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14788 /* En passant target square */
14789 if (move > backwardMostMove) {
14790 fromX = moveList[move - 1][0] - AAA;
14791 fromY = moveList[move - 1][1] - ONE;
14792 toX = moveList[move - 1][2] - AAA;
14793 toY = moveList[move - 1][3] - ONE;
14794 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
14795 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
14796 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
14798 /* 2-square pawn move just happened */
14800 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14804 } else if(move == backwardMostMove) {
14805 // [HGM] perhaps we should always do it like this, and forget the above?
14806 if((signed char)boards[move][EP_STATUS] >= 0) {
14807 *p++ = boards[move][EP_STATUS] + AAA;
14808 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14819 /* [HGM] find reversible plies */
14820 { int i = 0, j=move;
14822 if (appData.debugMode) { int k;
14823 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
14824 for(k=backwardMostMove; k<=forwardMostMove; k++)
14825 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
14829 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
14830 if( j == backwardMostMove ) i += initialRulePlies;
14831 sprintf(p, "%d ", i);
14832 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
14834 /* Fullmove number */
14835 sprintf(p, "%d", (move / 2) + 1);
14837 return StrSave(buf);
14841 ParseFEN(board, blackPlaysFirst, fen)
14843 int *blackPlaysFirst;
14853 /* [HGM] by default clear Crazyhouse holdings, if present */
14854 if(gameInfo.holdingsWidth) {
14855 for(i=0; i<BOARD_HEIGHT; i++) {
14856 board[i][0] = EmptySquare; /* black holdings */
14857 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
14858 board[i][1] = (ChessSquare) 0; /* black counts */
14859 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
14863 /* Piece placement data */
14864 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14867 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
14868 if (*p == '/') p++;
14869 emptycount = gameInfo.boardWidth - j;
14870 while (emptycount--)
14871 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14873 #if(BOARD_FILES >= 10)
14874 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
14875 p++; emptycount=10;
14876 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14877 while (emptycount--)
14878 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14880 } else if (isdigit(*p)) {
14881 emptycount = *p++ - '0';
14882 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
14883 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14884 while (emptycount--)
14885 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14886 } else if (*p == '+' || isalpha(*p)) {
14887 if (j >= gameInfo.boardWidth) return FALSE;
14889 piece = CharToPiece(*++p);
14890 if(piece == EmptySquare) return FALSE; /* unknown piece */
14891 piece = (ChessSquare) (PROMOTED piece ); p++;
14892 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
14893 } else piece = CharToPiece(*p++);
14895 if(piece==EmptySquare) return FALSE; /* unknown piece */
14896 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
14897 piece = (ChessSquare) (PROMOTED piece);
14898 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
14901 board[i][(j++)+gameInfo.holdingsWidth] = piece;
14907 while (*p == '/' || *p == ' ') p++;
14909 /* [HGM] look for Crazyhouse holdings here */
14910 while(*p==' ') p++;
14911 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
14913 if(*p == '-' ) p++; /* empty holdings */ else {
14914 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
14915 /* if we would allow FEN reading to set board size, we would */
14916 /* have to add holdings and shift the board read so far here */
14917 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
14919 if((int) piece >= (int) BlackPawn ) {
14920 i = (int)piece - (int)BlackPawn;
14921 i = PieceToNumber((ChessSquare)i);
14922 if( i >= gameInfo.holdingsSize ) return FALSE;
14923 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
14924 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
14926 i = (int)piece - (int)WhitePawn;
14927 i = PieceToNumber((ChessSquare)i);
14928 if( i >= gameInfo.holdingsSize ) return FALSE;
14929 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
14930 board[i][BOARD_WIDTH-2]++; /* black holdings */
14937 while(*p == ' ') p++;
14941 if(appData.colorNickNames) {
14942 if( c == appData.colorNickNames[0] ) c = 'w'; else
14943 if( c == appData.colorNickNames[1] ) c = 'b';
14947 *blackPlaysFirst = FALSE;
14950 *blackPlaysFirst = TRUE;
14956 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
14957 /* return the extra info in global variiables */
14959 /* set defaults in case FEN is incomplete */
14960 board[EP_STATUS] = EP_UNKNOWN;
14961 for(i=0; i<nrCastlingRights; i++ ) {
14962 board[CASTLING][i] =
14963 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
14964 } /* assume possible unless obviously impossible */
14965 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
14966 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
14967 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
14968 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
14969 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
14970 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
14971 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
14972 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
14975 while(*p==' ') p++;
14976 if(nrCastlingRights) {
14977 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
14978 /* castling indicator present, so default becomes no castlings */
14979 for(i=0; i<nrCastlingRights; i++ ) {
14980 board[CASTLING][i] = NoRights;
14983 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
14984 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
14985 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
14986 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
14987 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
14989 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
14990 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
14991 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
14993 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
14994 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
14995 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
14996 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
14997 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
14998 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
15001 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
15002 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
15003 board[CASTLING][2] = whiteKingFile;
15006 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
15007 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
15008 board[CASTLING][2] = whiteKingFile;
15011 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
15012 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
15013 board[CASTLING][5] = blackKingFile;
15016 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
15017 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
15018 board[CASTLING][5] = blackKingFile;
15021 default: /* FRC castlings */
15022 if(c >= 'a') { /* black rights */
15023 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15024 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
15025 if(i == BOARD_RGHT) break;
15026 board[CASTLING][5] = i;
15028 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
15029 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
15031 board[CASTLING][3] = c;
15033 board[CASTLING][4] = c;
15034 } else { /* white rights */
15035 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15036 if(board[0][i] == WhiteKing) break;
15037 if(i == BOARD_RGHT) break;
15038 board[CASTLING][2] = i;
15039 c -= AAA - 'a' + 'A';
15040 if(board[0][c] >= WhiteKing) break;
15042 board[CASTLING][0] = c;
15044 board[CASTLING][1] = c;
15048 for(i=0; i<nrCastlingRights; i++)
15049 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
15050 if (appData.debugMode) {
15051 fprintf(debugFP, "FEN castling rights:");
15052 for(i=0; i<nrCastlingRights; i++)
15053 fprintf(debugFP, " %d", board[CASTLING][i]);
15054 fprintf(debugFP, "\n");
15057 while(*p==' ') p++;
15060 /* read e.p. field in games that know e.p. capture */
15061 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
15062 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
15064 p++; board[EP_STATUS] = EP_NONE;
15066 char c = *p++ - AAA;
15068 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
15069 if(*p >= '0' && *p <='9') p++;
15070 board[EP_STATUS] = c;
15075 if(sscanf(p, "%d", &i) == 1) {
15076 FENrulePlies = i; /* 50-move ply counter */
15077 /* (The move number is still ignored) */
15084 EditPositionPasteFEN(char *fen)
15087 Board initial_position;
15089 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
15090 DisplayError(_("Bad FEN position in clipboard"), 0);
15093 int savedBlackPlaysFirst = blackPlaysFirst;
15094 EditPositionEvent();
15095 blackPlaysFirst = savedBlackPlaysFirst;
15096 CopyBoard(boards[0], initial_position);
15097 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
15098 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
15099 DisplayBothClocks();
15100 DrawPosition(FALSE, boards[currentMove]);
15105 static char cseq[12] = "\\ ";
15107 Boolean set_cont_sequence(char *new_seq)
15112 // handle bad attempts to set the sequence
15114 return 0; // acceptable error - no debug
15116 len = strlen(new_seq);
15117 ret = (len > 0) && (len < sizeof(cseq));
15119 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
15120 else if (appData.debugMode)
15121 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
15126 reformat a source message so words don't cross the width boundary. internal
15127 newlines are not removed. returns the wrapped size (no null character unless
15128 included in source message). If dest is NULL, only calculate the size required
15129 for the dest buffer. lp argument indicats line position upon entry, and it's
15130 passed back upon exit.
15132 int wrap(char *dest, char *src, int count, int width, int *lp)
15134 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
15136 cseq_len = strlen(cseq);
15137 old_line = line = *lp;
15138 ansi = len = clen = 0;
15140 for (i=0; i < count; i++)
15142 if (src[i] == '\033')
15145 // if we hit the width, back up
15146 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
15148 // store i & len in case the word is too long
15149 old_i = i, old_len = len;
15151 // find the end of the last word
15152 while (i && src[i] != ' ' && src[i] != '\n')
15158 // word too long? restore i & len before splitting it
15159 if ((old_i-i+clen) >= width)
15166 if (i && src[i-1] == ' ')
15169 if (src[i] != ' ' && src[i] != '\n')
15176 // now append the newline and continuation sequence
15181 strncpy(dest+len, cseq, cseq_len);
15189 dest[len] = src[i];
15193 if (src[i] == '\n')
15198 if (dest && appData.debugMode)
15200 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
15201 count, width, line, len, *lp);
15202 show_bytes(debugFP, src, count);
15203 fprintf(debugFP, "\ndest: ");
15204 show_bytes(debugFP, dest, len);
15205 fprintf(debugFP, "\n");
15207 *lp = dest ? line : old_line;
15212 // [HGM] vari: routines for shelving variations
15215 PushTail(int firstMove, int lastMove)
15217 int i, j, nrMoves = lastMove - firstMove;
15219 if(appData.icsActive) { // only in local mode
15220 forwardMostMove = currentMove; // mimic old ICS behavior
15223 if(storedGames >= MAX_VARIATIONS-1) return;
15225 // push current tail of game on stack
15226 savedResult[storedGames] = gameInfo.result;
15227 savedDetails[storedGames] = gameInfo.resultDetails;
15228 gameInfo.resultDetails = NULL;
15229 savedFirst[storedGames] = firstMove;
15230 savedLast [storedGames] = lastMove;
15231 savedFramePtr[storedGames] = framePtr;
15232 framePtr -= nrMoves; // reserve space for the boards
15233 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
15234 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
15235 for(j=0; j<MOVE_LEN; j++)
15236 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
15237 for(j=0; j<2*MOVE_LEN; j++)
15238 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
15239 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
15240 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
15241 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
15242 pvInfoList[firstMove+i-1].depth = 0;
15243 commentList[framePtr+i] = commentList[firstMove+i];
15244 commentList[firstMove+i] = NULL;
15248 forwardMostMove = firstMove; // truncate game so we can start variation
15249 if(storedGames == 1) GreyRevert(FALSE);
15253 PopTail(Boolean annotate)
15256 char buf[8000], moveBuf[20];
15258 if(appData.icsActive) return FALSE; // only in local mode
15259 if(!storedGames) return FALSE; // sanity
15260 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
15263 ToNrEvent(savedFirst[storedGames]); // sets currentMove
15264 nrMoves = savedLast[storedGames] - currentMove;
15267 if(!WhiteOnMove(currentMove))
15268 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
15269 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
15270 for(i=currentMove; i<forwardMostMove; i++) {
15272 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
15273 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
15274 strcat(buf, moveBuf);
15275 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
15276 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
15280 for(i=1; i<=nrMoves; i++) { // copy last variation back
15281 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
15282 for(j=0; j<MOVE_LEN; j++)
15283 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
15284 for(j=0; j<2*MOVE_LEN; j++)
15285 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
15286 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
15287 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
15288 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
15289 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
15290 commentList[currentMove+i] = commentList[framePtr+i];
15291 commentList[framePtr+i] = NULL;
15293 if(annotate) AppendComment(currentMove+1, buf, FALSE);
15294 framePtr = savedFramePtr[storedGames];
15295 gameInfo.result = savedResult[storedGames];
15296 if(gameInfo.resultDetails != NULL) {
15297 free(gameInfo.resultDetails);
15299 gameInfo.resultDetails = savedDetails[storedGames];
15300 forwardMostMove = currentMove + nrMoves;
15301 if(storedGames == 0) GreyRevert(TRUE);
15307 { // remove all shelved variations
15309 for(i=0; i<storedGames; i++) {
15310 if(savedDetails[i])
15311 free(savedDetails[i]);
15312 savedDetails[i] = NULL;
15314 for(i=framePtr; i<MAX_MOVES; i++) {
15315 if(commentList[i]) free(commentList[i]);
15316 commentList[i] = NULL;
15318 framePtr = MAX_MOVES-1;
15323 LoadVariation(int index, char *text)
15324 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
15325 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
15326 int level = 0, move;
15328 if(gameMode != EditGame && gameMode != AnalyzeMode) return;
15329 // first find outermost bracketing variation
15330 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
15331 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
15332 if(*p == '{') wait = '}'; else
15333 if(*p == '[') wait = ']'; else
15334 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
15335 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
15337 if(*p == wait) wait = NULLCHAR; // closing ]} found
15340 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
15341 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
15342 end[1] = NULLCHAR; // clip off comment beyond variation
15343 ToNrEvent(currentMove-1);
15344 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
15345 // kludge: use ParsePV() to append variation to game
15346 move = currentMove;
15347 ParsePV(start, TRUE);
15348 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
15349 ClearPremoveHighlights();
15351 ToNrEvent(currentMove+1);