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)
140 /* A point in time */
142 long sec; /* Assuming this is >= 32 bits */
143 int ms; /* Assuming this is >= 16 bits */
146 int establish P((void));
147 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
148 char *buf, int count, int error));
149 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
150 char *buf, int count, int error));
151 void ics_printf P((char *format, ...));
152 void SendToICS P((char *s));
153 void SendToICSDelayed P((char *s, long msdelay));
154 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY,
156 void HandleMachineMove P((char *message, ChessProgramState *cps));
157 int AutoPlayOneMove P((void));
158 int LoadGameOneMove P((ChessMove readAhead));
159 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
160 int LoadPositionFromFile P((char *filename, int n, char *title));
161 int SavePositionToFile P((char *filename));
162 void ApplyMove P((int fromX, int fromY, int toX, int toY, int promoChar,
164 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
165 void ShowMove P((int fromX, int fromY, int toX, int toY));
166 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
167 /*char*/int promoChar));
168 void BackwardInner P((int target));
169 void ForwardInner P((int target));
170 int Adjudicate P((ChessProgramState *cps));
171 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
172 void EditPositionDone P((Boolean fakeRights));
173 void PrintOpponents P((FILE *fp));
174 void PrintPosition P((FILE *fp, int move));
175 void StartChessProgram P((ChessProgramState *cps));
176 void SendToProgram P((char *message, ChessProgramState *cps));
177 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
178 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
179 char *buf, int count, int error));
180 void SendTimeControl P((ChessProgramState *cps,
181 int mps, long tc, int inc, int sd, int st));
182 char *TimeControlTagValue P((void));
183 void Attention P((ChessProgramState *cps));
184 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
185 void ResurrectChessProgram P((void));
186 void DisplayComment P((int moveNumber, char *text));
187 void DisplayMove P((int moveNumber));
189 void ParseGameHistory P((char *game));
190 void ParseBoard12 P((char *string));
191 void KeepAlive P((void));
192 void StartClocks P((void));
193 void SwitchClocks P((int nr));
194 void StopClocks P((void));
195 void ResetClocks P((void));
196 char *PGNDate P((void));
197 void SetGameInfo P((void));
198 Boolean ParseFEN P((Board board, int *blackPlaysFirst, char *fen));
199 int RegisterMove P((void));
200 void MakeRegisteredMove P((void));
201 void TruncateGame P((void));
202 int looking_at P((char *, int *, char *));
203 void CopyPlayerNameIntoFileName P((char **, char *));
204 char *SavePart P((char *));
205 int SaveGameOldStyle P((FILE *));
206 int SaveGamePGN P((FILE *));
207 void GetTimeMark P((TimeMark *));
208 long SubtractTimeMarks P((TimeMark *, TimeMark *));
209 int CheckFlags P((void));
210 long NextTickLength P((long));
211 void CheckTimeControl P((void));
212 void show_bytes P((FILE *, char *, int));
213 int string_to_rating P((char *str));
214 void ParseFeatures P((char* args, ChessProgramState *cps));
215 void InitBackEnd3 P((void));
216 void FeatureDone P((ChessProgramState* cps, int val));
217 void InitChessProgram P((ChessProgramState *cps, int setup));
218 void OutputKibitz(int window, char *text);
219 int PerpetualChase(int first, int last);
220 int EngineOutputIsUp();
221 void InitDrawingSizes(int x, int y);
224 extern void ConsoleCreate();
227 ChessProgramState *WhitePlayer();
228 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
229 int VerifyDisplayMode P(());
231 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
232 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
233 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
234 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
235 void ics_update_width P((int new_width));
236 extern char installDir[MSG_SIZ];
238 extern int tinyLayout, smallLayout;
239 ChessProgramStats programStats;
240 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
242 static int exiting = 0; /* [HGM] moved to top */
243 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
244 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
245 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
246 Boolean partnerBoardValid = 0;
247 char partnerStatus[MSG_SIZ];
249 Boolean originalFlip;
250 Boolean twoBoards = 0;
251 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
252 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
253 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
254 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
255 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
256 int opponentKibitzes;
257 int lastSavedGame; /* [HGM] save: ID of game */
258 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
259 extern int chatCount;
261 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
263 /* States for ics_getting_history */
265 #define H_REQUESTED 1
266 #define H_GOT_REQ_HEADER 2
267 #define H_GOT_UNREQ_HEADER 3
268 #define H_GETTING_MOVES 4
269 #define H_GOT_UNWANTED_HEADER 5
271 /* whosays values for GameEnds */
280 /* Maximum number of games in a cmail message */
281 #define CMAIL_MAX_GAMES 20
283 /* Different types of move when calling RegisterMove */
285 #define CMAIL_RESIGN 1
287 #define CMAIL_ACCEPT 3
289 /* Different types of result to remember for each game */
290 #define CMAIL_NOT_RESULT 0
291 #define CMAIL_OLD_RESULT 1
292 #define CMAIL_NEW_RESULT 2
294 /* Telnet protocol constants */
305 static char * safeStrCpy( char * dst, const char * src, size_t count )
307 assert( dst != NULL );
308 assert( src != NULL );
311 strncpy( dst, src, count );
312 dst[ count-1 ] = '\0';
316 /* Some compiler can't cast u64 to double
317 * This function do the job for us:
319 * We use the highest bit for cast, this only
320 * works if the highest bit is not
321 * in use (This should not happen)
323 * We used this for all compiler
326 u64ToDouble(u64 value)
329 u64 tmp = value & u64Const(0x7fffffffffffffff);
330 r = (double)(s64)tmp;
331 if (value & u64Const(0x8000000000000000))
332 r += 9.2233720368547758080e18; /* 2^63 */
336 /* Fake up flags for now, as we aren't keeping track of castling
337 availability yet. [HGM] Change of logic: the flag now only
338 indicates the type of castlings allowed by the rule of the game.
339 The actual rights themselves are maintained in the array
340 castlingRights, as part of the game history, and are not probed
346 int flags = F_ALL_CASTLE_OK;
347 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
348 switch (gameInfo.variant) {
350 flags &= ~F_ALL_CASTLE_OK;
351 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
352 flags |= F_IGNORE_CHECK;
354 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
357 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
359 case VariantKriegspiel:
360 flags |= F_KRIEGSPIEL_CAPTURE;
362 case VariantCapaRandom:
363 case VariantFischeRandom:
364 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
365 case VariantNoCastle:
366 case VariantShatranj:
369 flags &= ~F_ALL_CASTLE_OK;
377 FILE *gameFileFP, *debugFP;
380 [AS] Note: sometimes, the sscanf() function is used to parse the input
381 into a fixed-size buffer. Because of this, we must be prepared to
382 receive strings as long as the size of the input buffer, which is currently
383 set to 4K for Windows and 8K for the rest.
384 So, we must either allocate sufficiently large buffers here, or
385 reduce the size of the input buffer in the input reading part.
388 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
389 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
390 char thinkOutput1[MSG_SIZ*10];
392 ChessProgramState first, second;
394 /* premove variables */
397 int premoveFromX = 0;
398 int premoveFromY = 0;
399 int premovePromoChar = 0;
401 Boolean alarmSounded;
402 /* end premove variables */
404 char *ics_prefix = "$";
405 int ics_type = ICS_GENERIC;
407 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
408 int pauseExamForwardMostMove = 0;
409 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
410 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
411 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
412 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
413 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
414 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
415 int whiteFlag = FALSE, blackFlag = FALSE;
416 int userOfferedDraw = FALSE;
417 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
418 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
419 int cmailMoveType[CMAIL_MAX_GAMES];
420 long ics_clock_paused = 0;
421 ProcRef icsPR = NoProc, cmailPR = NoProc;
422 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
423 GameMode gameMode = BeginningOfGame;
424 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
425 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
426 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
427 int hiddenThinkOutputState = 0; /* [AS] */
428 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
429 int adjudicateLossPlies = 6;
430 char white_holding[64], black_holding[64];
431 TimeMark lastNodeCountTime;
432 long lastNodeCount=0;
433 int have_sent_ICS_logon = 0;
435 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement;
436 long timeControl_2; /* [AS] Allow separate time controls */
437 char *fullTimeControlString = NULL; /* [HGM] secondary TC: merge of MPS, TC and inc */
438 long timeRemaining[2][MAX_MOVES];
440 TimeMark programStartTime;
441 char ics_handle[MSG_SIZ];
442 int have_set_title = 0;
444 /* animateTraining preserves the state of appData.animate
445 * when Training mode is activated. This allows the
446 * response to be animated when appData.animate == TRUE and
447 * appData.animateDragging == TRUE.
449 Boolean animateTraining;
455 Board boards[MAX_MOVES];
456 /* [HGM] Following 7 needed for accurate legality tests: */
457 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
458 signed char initialRights[BOARD_FILES];
459 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
460 int initialRulePlies, FENrulePlies;
461 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
464 int mute; // mute all sounds
466 // [HGM] vari: next 12 to save and restore variations
467 #define MAX_VARIATIONS 10
468 int framePtr = MAX_MOVES-1; // points to free stack entry
470 int savedFirst[MAX_VARIATIONS];
471 int savedLast[MAX_VARIATIONS];
472 int savedFramePtr[MAX_VARIATIONS];
473 char *savedDetails[MAX_VARIATIONS];
474 ChessMove savedResult[MAX_VARIATIONS];
476 void PushTail P((int firstMove, int lastMove));
477 Boolean PopTail P((Boolean annotate));
478 void CleanupTail P((void));
480 ChessSquare FIDEArray[2][BOARD_FILES] = {
481 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
482 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
483 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
484 BlackKing, BlackBishop, BlackKnight, BlackRook }
487 ChessSquare twoKingsArray[2][BOARD_FILES] = {
488 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
489 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
490 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
491 BlackKing, BlackKing, BlackKnight, BlackRook }
494 ChessSquare KnightmateArray[2][BOARD_FILES] = {
495 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
496 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
497 { BlackRook, BlackMan, BlackBishop, BlackQueen,
498 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
501 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
502 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
503 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
504 { BlackLance, BlackAlfil, BlackMarshall, BlackAngel,
505 BlackKing, BlackMarshall, BlackAlfil, BlackLance }
508 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
509 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
510 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
511 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
512 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
515 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
516 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
517 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
518 { BlackRook, BlackKnight, BlackMan, BlackFerz,
519 BlackKing, BlackMan, BlackKnight, BlackRook }
523 #if (BOARD_FILES>=10)
524 ChessSquare ShogiArray[2][BOARD_FILES] = {
525 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
526 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
527 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
528 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
531 ChessSquare XiangqiArray[2][BOARD_FILES] = {
532 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
533 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
534 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
535 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
538 ChessSquare CapablancaArray[2][BOARD_FILES] = {
539 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
540 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
541 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
542 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
545 ChessSquare GreatArray[2][BOARD_FILES] = {
546 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
547 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
548 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
549 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
552 ChessSquare JanusArray[2][BOARD_FILES] = {
553 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
554 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
555 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
556 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
560 ChessSquare GothicArray[2][BOARD_FILES] = {
561 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
562 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
563 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
564 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
567 #define GothicArray CapablancaArray
571 ChessSquare FalconArray[2][BOARD_FILES] = {
572 { WhiteRook, WhiteKnight, WhiteBishop, WhiteLance, WhiteQueen,
573 WhiteKing, WhiteLance, WhiteBishop, WhiteKnight, WhiteRook },
574 { BlackRook, BlackKnight, BlackBishop, BlackLance, BlackQueen,
575 BlackKing, BlackLance, BlackBishop, BlackKnight, BlackRook }
578 #define FalconArray CapablancaArray
581 #else // !(BOARD_FILES>=10)
582 #define XiangqiPosition FIDEArray
583 #define CapablancaArray FIDEArray
584 #define GothicArray FIDEArray
585 #define GreatArray FIDEArray
586 #endif // !(BOARD_FILES>=10)
588 #if (BOARD_FILES>=12)
589 ChessSquare CourierArray[2][BOARD_FILES] = {
590 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
591 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
592 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
593 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
595 #else // !(BOARD_FILES>=12)
596 #define CourierArray CapablancaArray
597 #endif // !(BOARD_FILES>=12)
600 Board initialPosition;
603 /* Convert str to a rating. Checks for special cases of "----",
605 "++++", etc. Also strips ()'s */
607 string_to_rating(str)
610 while(*str && !isdigit(*str)) ++str;
612 return 0; /* One of the special "no rating" cases */
620 /* Init programStats */
621 programStats.movelist[0] = 0;
622 programStats.depth = 0;
623 programStats.nr_moves = 0;
624 programStats.moves_left = 0;
625 programStats.nodes = 0;
626 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
627 programStats.score = 0;
628 programStats.got_only_move = 0;
629 programStats.got_fail = 0;
630 programStats.line_is_book = 0;
636 int matched, min, sec;
638 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
640 GetTimeMark(&programStartTime);
641 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
644 programStats.ok_to_send = 1;
645 programStats.seen_stat = 0;
648 * Initialize game list
654 * Internet chess server status
656 if (appData.icsActive) {
657 appData.matchMode = FALSE;
658 appData.matchGames = 0;
660 appData.noChessProgram = !appData.zippyPlay;
662 appData.zippyPlay = FALSE;
663 appData.zippyTalk = FALSE;
664 appData.noChessProgram = TRUE;
666 if (*appData.icsHelper != NULLCHAR) {
667 appData.useTelnet = TRUE;
668 appData.telnetProgram = appData.icsHelper;
671 appData.zippyTalk = appData.zippyPlay = FALSE;
674 /* [AS] Initialize pv info list [HGM] and game state */
678 for( i=0; i<=framePtr; i++ ) {
679 pvInfoList[i].depth = -1;
680 boards[i][EP_STATUS] = EP_NONE;
681 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
686 * Parse timeControl resource
688 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
689 appData.movesPerSession)) {
691 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
692 DisplayFatalError(buf, 0, 2);
696 * Parse searchTime resource
698 if (*appData.searchTime != NULLCHAR) {
699 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
701 searchTime = min * 60;
702 } else if (matched == 2) {
703 searchTime = min * 60 + sec;
706 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
707 DisplayFatalError(buf, 0, 2);
711 /* [AS] Adjudication threshold */
712 adjudicateLossThreshold = appData.adjudicateLossThreshold;
714 first.which = "first";
715 second.which = "second";
716 first.maybeThinking = second.maybeThinking = FALSE;
717 first.pr = second.pr = NoProc;
718 first.isr = second.isr = NULL;
719 first.sendTime = second.sendTime = 2;
720 first.sendDrawOffers = 1;
721 if (appData.firstPlaysBlack) {
722 first.twoMachinesColor = "black\n";
723 second.twoMachinesColor = "white\n";
725 first.twoMachinesColor = "white\n";
726 second.twoMachinesColor = "black\n";
728 first.program = appData.firstChessProgram;
729 second.program = appData.secondChessProgram;
730 first.host = appData.firstHost;
731 second.host = appData.secondHost;
732 first.dir = appData.firstDirectory;
733 second.dir = appData.secondDirectory;
734 first.other = &second;
735 second.other = &first;
736 first.initString = appData.initString;
737 second.initString = appData.secondInitString;
738 first.computerString = appData.firstComputerString;
739 second.computerString = appData.secondComputerString;
740 first.useSigint = second.useSigint = TRUE;
741 first.useSigterm = second.useSigterm = TRUE;
742 first.reuse = appData.reuseFirst;
743 second.reuse = appData.reuseSecond;
744 first.nps = appData.firstNPS; // [HGM] nps: copy nodes per second
745 second.nps = appData.secondNPS;
746 first.useSetboard = second.useSetboard = FALSE;
747 first.useSAN = second.useSAN = FALSE;
748 first.usePing = second.usePing = FALSE;
749 first.lastPing = second.lastPing = 0;
750 first.lastPong = second.lastPong = 0;
751 first.usePlayother = second.usePlayother = FALSE;
752 first.useColors = second.useColors = TRUE;
753 first.useUsermove = second.useUsermove = FALSE;
754 first.sendICS = second.sendICS = FALSE;
755 first.sendName = second.sendName = appData.icsActive;
756 first.sdKludge = second.sdKludge = FALSE;
757 first.stKludge = second.stKludge = FALSE;
758 TidyProgramName(first.program, first.host, first.tidy);
759 TidyProgramName(second.program, second.host, second.tidy);
760 first.matchWins = second.matchWins = 0;
761 strcpy(first.variants, appData.variant);
762 strcpy(second.variants, appData.variant);
763 first.analysisSupport = second.analysisSupport = 2; /* detect */
764 first.analyzing = second.analyzing = FALSE;
765 first.initDone = second.initDone = FALSE;
767 /* New features added by Tord: */
768 first.useFEN960 = FALSE; second.useFEN960 = FALSE;
769 first.useOOCastle = TRUE; second.useOOCastle = TRUE;
770 /* End of new features added by Tord. */
771 first.fenOverride = appData.fenOverride1;
772 second.fenOverride = appData.fenOverride2;
774 /* [HGM] time odds: set factor for each machine */
775 first.timeOdds = appData.firstTimeOdds;
776 second.timeOdds = appData.secondTimeOdds;
778 if(appData.timeOddsMode) {
779 norm = first.timeOdds;
780 if(norm > second.timeOdds) norm = second.timeOdds;
782 first.timeOdds /= norm;
783 second.timeOdds /= norm;
786 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
787 first.accumulateTC = appData.firstAccumulateTC;
788 second.accumulateTC = appData.secondAccumulateTC;
789 first.maxNrOfSessions = second.maxNrOfSessions = 1;
792 first.debug = second.debug = FALSE;
793 first.supportsNPS = second.supportsNPS = UNKNOWN;
796 first.optionSettings = appData.firstOptions;
797 second.optionSettings = appData.secondOptions;
799 first.scoreIsAbsolute = appData.firstScoreIsAbsolute; /* [AS] */
800 second.scoreIsAbsolute = appData.secondScoreIsAbsolute; /* [AS] */
801 first.isUCI = appData.firstIsUCI; /* [AS] */
802 second.isUCI = appData.secondIsUCI; /* [AS] */
803 first.hasOwnBookUCI = appData.firstHasOwnBookUCI; /* [AS] */
804 second.hasOwnBookUCI = appData.secondHasOwnBookUCI; /* [AS] */
806 if (appData.firstProtocolVersion > PROTOVER ||
807 appData.firstProtocolVersion < 1) {
809 sprintf(buf, _("protocol version %d not supported"),
810 appData.firstProtocolVersion);
811 DisplayFatalError(buf, 0, 2);
813 first.protocolVersion = appData.firstProtocolVersion;
816 if (appData.secondProtocolVersion > PROTOVER ||
817 appData.secondProtocolVersion < 1) {
819 sprintf(buf, _("protocol version %d not supported"),
820 appData.secondProtocolVersion);
821 DisplayFatalError(buf, 0, 2);
823 second.protocolVersion = appData.secondProtocolVersion;
826 if (appData.icsActive) {
827 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
828 // } else if (*appData.searchTime != NULLCHAR || appData.noChessProgram) {
829 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
830 appData.clockMode = FALSE;
831 first.sendTime = second.sendTime = 0;
835 /* Override some settings from environment variables, for backward
836 compatibility. Unfortunately it's not feasible to have the env
837 vars just set defaults, at least in xboard. Ugh.
839 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
844 if (appData.noChessProgram) {
845 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
846 sprintf(programVersion, "%s", PACKAGE_STRING);
848 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
849 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
850 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
853 if (!appData.icsActive) {
855 /* Check for variants that are supported only in ICS mode,
856 or not at all. Some that are accepted here nevertheless
857 have bugs; see comments below.
859 VariantClass variant = StringToVariant(appData.variant);
861 case VariantBughouse: /* need four players and two boards */
862 case VariantKriegspiel: /* need to hide pieces and move details */
863 /* case VariantFischeRandom: (Fabien: moved below) */
864 sprintf(buf, _("Variant %s supported only in ICS mode"), appData.variant);
865 DisplayFatalError(buf, 0, 2);
869 case VariantLoadable:
879 sprintf(buf, _("Unknown variant name %s"), appData.variant);
880 DisplayFatalError(buf, 0, 2);
883 case VariantXiangqi: /* [HGM] repetition rules not implemented */
884 case VariantFairy: /* [HGM] TestLegality definitely off! */
885 case VariantGothic: /* [HGM] should work */
886 case VariantCapablanca: /* [HGM] should work */
887 case VariantCourier: /* [HGM] initial forced moves not implemented */
888 case VariantShogi: /* [HGM] drops not tested for legality */
889 case VariantKnightmate: /* [HGM] should work */
890 case VariantCylinder: /* [HGM] untested */
891 case VariantFalcon: /* [HGM] untested */
892 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
893 offboard interposition not understood */
894 case VariantNormal: /* definitely works! */
895 case VariantWildCastle: /* pieces not automatically shuffled */
896 case VariantNoCastle: /* pieces not automatically shuffled */
897 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
898 case VariantLosers: /* should work except for win condition,
899 and doesn't know captures are mandatory */
900 case VariantSuicide: /* should work except for win condition,
901 and doesn't know captures are mandatory */
902 case VariantGiveaway: /* should work except for win condition,
903 and doesn't know captures are mandatory */
904 case VariantTwoKings: /* should work */
905 case VariantAtomic: /* should work except for win condition */
906 case Variant3Check: /* should work except for win condition */
907 case VariantShatranj: /* should work except for all win conditions */
908 case VariantMakruk: /* should work except for daw countdown */
909 case VariantBerolina: /* might work if TestLegality is off */
910 case VariantCapaRandom: /* should work */
911 case VariantJanus: /* should work */
912 case VariantSuper: /* experimental */
913 case VariantGreat: /* experimental, requires legality testing to be off */
918 InitEngineUCI( installDir, &first ); // [HGM] moved here from winboard.c, to make available in xboard
919 InitEngineUCI( installDir, &second );
922 int NextIntegerFromString( char ** str, long * value )
927 while( *s == ' ' || *s == '\t' ) {
933 if( *s >= '0' && *s <= '9' ) {
934 while( *s >= '0' && *s <= '9' ) {
935 *value = *value * 10 + (*s - '0');
947 int NextTimeControlFromString( char ** str, long * value )
950 int result = NextIntegerFromString( str, &temp );
953 *value = temp * 60; /* Minutes */
956 result = NextIntegerFromString( str, &temp );
957 *value += temp; /* Seconds */
964 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc)
965 { /* [HGM] routine added to read '+moves/time' for secondary time control */
966 int result = -1; long temp, temp2;
968 if(**str != '+') return -1; // old params remain in force!
970 if( NextTimeControlFromString( str, &temp ) ) return -1;
973 /* time only: incremental or sudden-death time control */
974 if(**str == '+') { /* increment follows; read it */
976 if(result = NextIntegerFromString( str, &temp2)) return -1;
979 *moves = 0; *tc = temp * 1000;
981 } else if(temp % 60 != 0) return -1; /* moves was given as min:sec */
983 (*str)++; /* classical time control */
984 result = NextTimeControlFromString( str, &temp2);
993 int GetTimeQuota(int movenr)
994 { /* [HGM] get time to add from the multi-session time-control string */
995 int moves=1; /* kludge to force reading of first session */
996 long time, increment;
997 char *s = fullTimeControlString;
999 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", fullTimeControlString);
1001 if(moves) NextSessionFromString(&s, &moves, &time, &increment);
1002 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
1003 if(movenr == -1) return time; /* last move before new session */
1004 if(!moves) return increment; /* current session is incremental */
1005 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1006 } while(movenr >= -1); /* try again for next session */
1008 return 0; // no new time quota on this move
1012 ParseTimeControl(tc, ti, mps)
1021 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1024 sprintf(buf, "+%d/%s+%d", mps, tc, ti);
1025 else sprintf(buf, "+%s+%d", tc, ti);
1028 sprintf(buf, "+%d/%s", mps, tc);
1029 else sprintf(buf, "+%s", tc);
1031 fullTimeControlString = StrSave(buf);
1033 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1038 /* Parse second time control */
1041 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1049 timeControl_2 = tc2 * 1000;
1059 timeControl = tc1 * 1000;
1062 timeIncrement = ti * 1000; /* convert to ms */
1063 movesPerSession = 0;
1066 movesPerSession = mps;
1074 if (appData.debugMode) {
1075 fprintf(debugFP, "%s\n", programVersion);
1078 set_cont_sequence(appData.wrapContSeq);
1079 if (appData.matchGames > 0) {
1080 appData.matchMode = TRUE;
1081 } else if (appData.matchMode) {
1082 appData.matchGames = 1;
1084 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1085 appData.matchGames = appData.sameColorGames;
1086 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1087 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1088 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1091 if (appData.noChessProgram || first.protocolVersion == 1) {
1094 /* kludge: allow timeout for initial "feature" commands */
1096 DisplayMessage("", _("Starting chess program"));
1097 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1102 InitBackEnd3 P((void))
1104 GameMode initialMode;
1108 InitChessProgram(&first, startedFromSetupPosition);
1111 if (appData.icsActive) {
1113 /* [DM] Make a console window if needed [HGM] merged ifs */
1118 if (*appData.icsCommPort != NULLCHAR) {
1119 sprintf(buf, _("Could not open comm port %s"),
1120 appData.icsCommPort);
1122 snprintf(buf, sizeof(buf), _("Could not connect to host %s, port %s"),
1123 appData.icsHost, appData.icsPort);
1125 DisplayFatalError(buf, err, 1);
1130 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1132 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1133 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1134 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1135 } else if (appData.noChessProgram) {
1141 if (*appData.cmailGameName != NULLCHAR) {
1143 OpenLoopback(&cmailPR);
1145 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1149 DisplayMessage("", "");
1150 if (StrCaseCmp(appData.initialMode, "") == 0) {
1151 initialMode = BeginningOfGame;
1152 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1153 initialMode = TwoMachinesPlay;
1154 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1155 initialMode = AnalyzeFile;
1156 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1157 initialMode = AnalyzeMode;
1158 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1159 initialMode = MachinePlaysWhite;
1160 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1161 initialMode = MachinePlaysBlack;
1162 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1163 initialMode = EditGame;
1164 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1165 initialMode = EditPosition;
1166 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1167 initialMode = Training;
1169 sprintf(buf, _("Unknown initialMode %s"), appData.initialMode);
1170 DisplayFatalError(buf, 0, 2);
1174 if (appData.matchMode) {
1175 /* Set up machine vs. machine match */
1176 if (appData.noChessProgram) {
1177 DisplayFatalError(_("Can't have a match with no chess programs"),
1183 if (*appData.loadGameFile != NULLCHAR) {
1184 int index = appData.loadGameIndex; // [HGM] autoinc
1185 if(index<0) lastIndex = index = 1;
1186 if (!LoadGameFromFile(appData.loadGameFile,
1188 appData.loadGameFile, FALSE)) {
1189 DisplayFatalError(_("Bad game file"), 0, 1);
1192 } else if (*appData.loadPositionFile != NULLCHAR) {
1193 int index = appData.loadPositionIndex; // [HGM] autoinc
1194 if(index<0) lastIndex = index = 1;
1195 if (!LoadPositionFromFile(appData.loadPositionFile,
1197 appData.loadPositionFile)) {
1198 DisplayFatalError(_("Bad position file"), 0, 1);
1203 } else if (*appData.cmailGameName != NULLCHAR) {
1204 /* Set up cmail mode */
1205 ReloadCmailMsgEvent(TRUE);
1207 /* Set up other modes */
1208 if (initialMode == AnalyzeFile) {
1209 if (*appData.loadGameFile == NULLCHAR) {
1210 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1214 if (*appData.loadGameFile != NULLCHAR) {
1215 (void) LoadGameFromFile(appData.loadGameFile,
1216 appData.loadGameIndex,
1217 appData.loadGameFile, TRUE);
1218 } else if (*appData.loadPositionFile != NULLCHAR) {
1219 (void) LoadPositionFromFile(appData.loadPositionFile,
1220 appData.loadPositionIndex,
1221 appData.loadPositionFile);
1222 /* [HGM] try to make self-starting even after FEN load */
1223 /* to allow automatic setup of fairy variants with wtm */
1224 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1225 gameMode = BeginningOfGame;
1226 setboardSpoiledMachineBlack = 1;
1228 /* [HGM] loadPos: make that every new game uses the setup */
1229 /* from file as long as we do not switch variant */
1230 if(!blackPlaysFirst) {
1231 startedFromPositionFile = TRUE;
1232 CopyBoard(filePosition, boards[0]);
1235 if (initialMode == AnalyzeMode) {
1236 if (appData.noChessProgram) {
1237 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1240 if (appData.icsActive) {
1241 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1245 } else if (initialMode == AnalyzeFile) {
1246 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1247 ShowThinkingEvent();
1249 AnalysisPeriodicEvent(1);
1250 } else if (initialMode == MachinePlaysWhite) {
1251 if (appData.noChessProgram) {
1252 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1256 if (appData.icsActive) {
1257 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1261 MachineWhiteEvent();
1262 } else if (initialMode == MachinePlaysBlack) {
1263 if (appData.noChessProgram) {
1264 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1268 if (appData.icsActive) {
1269 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1273 MachineBlackEvent();
1274 } else if (initialMode == TwoMachinesPlay) {
1275 if (appData.noChessProgram) {
1276 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1280 if (appData.icsActive) {
1281 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1286 } else if (initialMode == EditGame) {
1288 } else if (initialMode == EditPosition) {
1289 EditPositionEvent();
1290 } else if (initialMode == Training) {
1291 if (*appData.loadGameFile == NULLCHAR) {
1292 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1301 * Establish will establish a contact to a remote host.port.
1302 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1303 * used to talk to the host.
1304 * Returns 0 if okay, error code if not.
1311 if (*appData.icsCommPort != NULLCHAR) {
1312 /* Talk to the host through a serial comm port */
1313 return OpenCommPort(appData.icsCommPort, &icsPR);
1315 } else if (*appData.gateway != NULLCHAR) {
1316 if (*appData.remoteShell == NULLCHAR) {
1317 /* Use the rcmd protocol to run telnet program on a gateway host */
1318 snprintf(buf, sizeof(buf), "%s %s %s",
1319 appData.telnetProgram, appData.icsHost, appData.icsPort);
1320 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1323 /* Use the rsh program to run telnet program on a gateway host */
1324 if (*appData.remoteUser == NULLCHAR) {
1325 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1326 appData.gateway, appData.telnetProgram,
1327 appData.icsHost, appData.icsPort);
1329 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1330 appData.remoteShell, appData.gateway,
1331 appData.remoteUser, appData.telnetProgram,
1332 appData.icsHost, appData.icsPort);
1334 return StartChildProcess(buf, "", &icsPR);
1337 } else if (appData.useTelnet) {
1338 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1341 /* TCP socket interface differs somewhat between
1342 Unix and NT; handle details in the front end.
1344 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1349 show_bytes(fp, buf, count)
1355 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1356 fprintf(fp, "\\%03o", *buf & 0xff);
1365 /* Returns an errno value */
1367 OutputMaybeTelnet(pr, message, count, outError)
1373 char buf[8192], *p, *q, *buflim;
1374 int left, newcount, outcount;
1376 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1377 *appData.gateway != NULLCHAR) {
1378 if (appData.debugMode) {
1379 fprintf(debugFP, ">ICS: ");
1380 show_bytes(debugFP, message, count);
1381 fprintf(debugFP, "\n");
1383 return OutputToProcess(pr, message, count, outError);
1386 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1393 if (appData.debugMode) {
1394 fprintf(debugFP, ">ICS: ");
1395 show_bytes(debugFP, buf, newcount);
1396 fprintf(debugFP, "\n");
1398 outcount = OutputToProcess(pr, buf, newcount, outError);
1399 if (outcount < newcount) return -1; /* to be sure */
1406 } else if (((unsigned char) *p) == TN_IAC) {
1407 *q++ = (char) TN_IAC;
1414 if (appData.debugMode) {
1415 fprintf(debugFP, ">ICS: ");
1416 show_bytes(debugFP, buf, newcount);
1417 fprintf(debugFP, "\n");
1419 outcount = OutputToProcess(pr, buf, newcount, outError);
1420 if (outcount < newcount) return -1; /* to be sure */
1425 read_from_player(isr, closure, message, count, error)
1432 int outError, outCount;
1433 static int gotEof = 0;
1435 /* Pass data read from player on to ICS */
1438 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1439 if (outCount < count) {
1440 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1442 } else if (count < 0) {
1443 RemoveInputSource(isr);
1444 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1445 } else if (gotEof++ > 0) {
1446 RemoveInputSource(isr);
1447 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1453 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1454 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1455 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1456 SendToICS("date\n");
1457 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1460 /* added routine for printf style output to ics */
1461 void ics_printf(char *format, ...)
1463 char buffer[MSG_SIZ];
1466 va_start(args, format);
1467 vsnprintf(buffer, sizeof(buffer), format, args);
1468 buffer[sizeof(buffer)-1] = '\0';
1477 int count, outCount, outError;
1479 if (icsPR == NULL) return;
1482 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1483 if (outCount < count) {
1484 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1488 /* This is used for sending logon scripts to the ICS. Sending
1489 without a delay causes problems when using timestamp on ICC
1490 (at least on my machine). */
1492 SendToICSDelayed(s,msdelay)
1496 int count, outCount, outError;
1498 if (icsPR == NULL) return;
1501 if (appData.debugMode) {
1502 fprintf(debugFP, ">ICS: ");
1503 show_bytes(debugFP, s, count);
1504 fprintf(debugFP, "\n");
1506 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1508 if (outCount < count) {
1509 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1514 /* Remove all highlighting escape sequences in s
1515 Also deletes any suffix starting with '('
1518 StripHighlightAndTitle(s)
1521 static char retbuf[MSG_SIZ];
1524 while (*s != NULLCHAR) {
1525 while (*s == '\033') {
1526 while (*s != NULLCHAR && !isalpha(*s)) s++;
1527 if (*s != NULLCHAR) s++;
1529 while (*s != NULLCHAR && *s != '\033') {
1530 if (*s == '(' || *s == '[') {
1541 /* Remove all highlighting escape sequences in s */
1546 static char retbuf[MSG_SIZ];
1549 while (*s != NULLCHAR) {
1550 while (*s == '\033') {
1551 while (*s != NULLCHAR && !isalpha(*s)) s++;
1552 if (*s != NULLCHAR) s++;
1554 while (*s != NULLCHAR && *s != '\033') {
1562 char *variantNames[] = VARIANT_NAMES;
1567 return variantNames[v];
1571 /* Identify a variant from the strings the chess servers use or the
1572 PGN Variant tag names we use. */
1579 VariantClass v = VariantNormal;
1580 int i, found = FALSE;
1585 /* [HGM] skip over optional board-size prefixes */
1586 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1587 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1588 while( *e++ != '_');
1591 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1595 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1596 if (StrCaseStr(e, variantNames[i])) {
1597 v = (VariantClass) i;
1604 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1605 || StrCaseStr(e, "wild/fr")
1606 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1607 v = VariantFischeRandom;
1608 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1609 (i = 1, p = StrCaseStr(e, "w"))) {
1611 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
1618 case 0: /* FICS only, actually */
1620 /* Castling legal even if K starts on d-file */
1621 v = VariantWildCastle;
1626 /* Castling illegal even if K & R happen to start in
1627 normal positions. */
1628 v = VariantNoCastle;
1641 /* Castling legal iff K & R start in normal positions */
1647 /* Special wilds for position setup; unclear what to do here */
1648 v = VariantLoadable;
1651 /* Bizarre ICC game */
1652 v = VariantTwoKings;
1655 v = VariantKriegspiel;
1661 v = VariantFischeRandom;
1664 v = VariantCrazyhouse;
1667 v = VariantBughouse;
1673 /* Not quite the same as FICS suicide! */
1674 v = VariantGiveaway;
1680 v = VariantShatranj;
1683 /* Temporary names for future ICC types. The name *will* change in
1684 the next xboard/WinBoard release after ICC defines it. */
1722 v = VariantCapablanca;
1725 v = VariantKnightmate;
1731 v = VariantCylinder;
1737 v = VariantCapaRandom;
1740 v = VariantBerolina;
1752 /* Found "wild" or "w" in the string but no number;
1753 must assume it's normal chess. */
1757 sprintf(buf, _("Unknown wild type %d"), wnum);
1758 DisplayError(buf, 0);
1764 if (appData.debugMode) {
1765 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
1766 e, wnum, VariantName(v));
1771 static int leftover_start = 0, leftover_len = 0;
1772 char star_match[STAR_MATCH_N][MSG_SIZ];
1774 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
1775 advance *index beyond it, and set leftover_start to the new value of
1776 *index; else return FALSE. If pattern contains the character '*', it
1777 matches any sequence of characters not containing '\r', '\n', or the
1778 character following the '*' (if any), and the matched sequence(s) are
1779 copied into star_match.
1782 looking_at(buf, index, pattern)
1787 char *bufp = &buf[*index], *patternp = pattern;
1789 char *matchp = star_match[0];
1792 if (*patternp == NULLCHAR) {
1793 *index = leftover_start = bufp - buf;
1797 if (*bufp == NULLCHAR) return FALSE;
1798 if (*patternp == '*') {
1799 if (*bufp == *(patternp + 1)) {
1801 matchp = star_match[++star_count];
1805 } else if (*bufp == '\n' || *bufp == '\r') {
1807 if (*patternp == NULLCHAR)
1812 *matchp++ = *bufp++;
1816 if (*patternp != *bufp) return FALSE;
1823 SendToPlayer(data, length)
1827 int error, outCount;
1828 outCount = OutputToProcess(NoProc, data, length, &error);
1829 if (outCount < length) {
1830 DisplayFatalError(_("Error writing to display"), error, 1);
1835 PackHolding(packed, holding)
1847 switch (runlength) {
1858 sprintf(q, "%d", runlength);
1870 /* Telnet protocol requests from the front end */
1872 TelnetRequest(ddww, option)
1873 unsigned char ddww, option;
1875 unsigned char msg[3];
1876 int outCount, outError;
1878 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
1880 if (appData.debugMode) {
1881 char buf1[8], buf2[8], *ddwwStr, *optionStr;
1897 sprintf(buf1, "%d", ddww);
1906 sprintf(buf2, "%d", option);
1909 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
1914 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
1916 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1923 if (!appData.icsActive) return;
1924 TelnetRequest(TN_DO, TN_ECHO);
1930 if (!appData.icsActive) return;
1931 TelnetRequest(TN_DONT, TN_ECHO);
1935 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
1937 /* put the holdings sent to us by the server on the board holdings area */
1938 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
1942 if(gameInfo.holdingsWidth < 2) return;
1943 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
1944 return; // prevent overwriting by pre-board holdings
1946 if( (int)lowestPiece >= BlackPawn ) {
1949 holdingsStartRow = BOARD_HEIGHT-1;
1952 holdingsColumn = BOARD_WIDTH-1;
1953 countsColumn = BOARD_WIDTH-2;
1954 holdingsStartRow = 0;
1958 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
1959 board[i][holdingsColumn] = EmptySquare;
1960 board[i][countsColumn] = (ChessSquare) 0;
1962 while( (p=*holdings++) != NULLCHAR ) {
1963 piece = CharToPiece( ToUpper(p) );
1964 if(piece == EmptySquare) continue;
1965 /*j = (int) piece - (int) WhitePawn;*/
1966 j = PieceToNumber(piece);
1967 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
1968 if(j < 0) continue; /* should not happen */
1969 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
1970 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
1971 board[holdingsStartRow+j*direction][countsColumn]++;
1977 VariantSwitch(Board board, VariantClass newVariant)
1979 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
1982 startedFromPositionFile = FALSE;
1983 if(gameInfo.variant == newVariant) return;
1985 /* [HGM] This routine is called each time an assignment is made to
1986 * gameInfo.variant during a game, to make sure the board sizes
1987 * are set to match the new variant. If that means adding or deleting
1988 * holdings, we shift the playing board accordingly
1989 * This kludge is needed because in ICS observe mode, we get boards
1990 * of an ongoing game without knowing the variant, and learn about the
1991 * latter only later. This can be because of the move list we requested,
1992 * in which case the game history is refilled from the beginning anyway,
1993 * but also when receiving holdings of a crazyhouse game. In the latter
1994 * case we want to add those holdings to the already received position.
1998 if (appData.debugMode) {
1999 fprintf(debugFP, "Switch board from %s to %s\n",
2000 VariantName(gameInfo.variant), VariantName(newVariant));
2001 setbuf(debugFP, NULL);
2003 shuffleOpenings = 0; /* [HGM] shuffle */
2004 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2008 newWidth = 9; newHeight = 9;
2009 gameInfo.holdingsSize = 7;
2010 case VariantBughouse:
2011 case VariantCrazyhouse:
2012 newHoldingsWidth = 2; break;
2016 newHoldingsWidth = 2;
2017 gameInfo.holdingsSize = 8;
2020 case VariantCapablanca:
2021 case VariantCapaRandom:
2024 newHoldingsWidth = gameInfo.holdingsSize = 0;
2027 if(newWidth != gameInfo.boardWidth ||
2028 newHeight != gameInfo.boardHeight ||
2029 newHoldingsWidth != gameInfo.holdingsWidth ) {
2031 /* shift position to new playing area, if needed */
2032 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2033 for(i=0; i<BOARD_HEIGHT; i++)
2034 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2035 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2037 for(i=0; i<newHeight; i++) {
2038 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2039 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2041 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2042 for(i=0; i<BOARD_HEIGHT; i++)
2043 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2044 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2047 gameInfo.boardWidth = newWidth;
2048 gameInfo.boardHeight = newHeight;
2049 gameInfo.holdingsWidth = newHoldingsWidth;
2050 gameInfo.variant = newVariant;
2051 InitDrawingSizes(-2, 0);
2052 } else gameInfo.variant = newVariant;
2053 CopyBoard(oldBoard, board); // remember correctly formatted board
2054 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2055 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2058 static int loggedOn = FALSE;
2060 /*-- Game start info cache: --*/
2062 char gs_kind[MSG_SIZ];
2063 static char player1Name[128] = "";
2064 static char player2Name[128] = "";
2065 static char cont_seq[] = "\n\\ ";
2066 static int player1Rating = -1;
2067 static int player2Rating = -1;
2068 /*----------------------------*/
2070 ColorClass curColor = ColorNormal;
2071 int suppressKibitz = 0;
2074 Boolean soughtPending = FALSE;
2075 Boolean seekGraphUp;
2076 #define MAX_SEEK_ADS 200
2078 char *seekAdList[MAX_SEEK_ADS];
2079 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2080 float tcList[MAX_SEEK_ADS];
2081 char colorList[MAX_SEEK_ADS];
2082 int nrOfSeekAds = 0;
2083 int minRating = 1010, maxRating = 2800;
2084 int hMargin = 10, vMargin = 20, h, w;
2085 extern int squareSize, lineGap;
2090 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2091 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2092 if(r < minRating+100 && r >=0 ) r = minRating+100;
2093 if(r > maxRating) r = maxRating;
2094 if(tc < 1.) tc = 1.;
2095 if(tc > 95.) tc = 95.;
2096 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2097 y = ((double)r - minRating)/(maxRating - minRating)
2098 * (h-vMargin-squareSize/8-1) + vMargin;
2099 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2100 if(strstr(seekAdList[i], " u ")) color = 1;
2101 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2102 !strstr(seekAdList[i], "bullet") &&
2103 !strstr(seekAdList[i], "blitz") &&
2104 !strstr(seekAdList[i], "standard") ) color = 2;
2105 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2106 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2110 AddAd(char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2112 char buf[MSG_SIZ], *ext = "";
2113 VariantClass v = StringToVariant(type);
2114 if(strstr(type, "wild")) {
2115 ext = type + 4; // append wild number
2116 if(v == VariantFischeRandom) type = "chess960"; else
2117 if(v == VariantLoadable) type = "setup"; else
2118 type = VariantName(v);
2120 sprintf(buf, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2121 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2122 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2123 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2124 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2125 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2126 seekNrList[nrOfSeekAds] = nr;
2127 zList[nrOfSeekAds] = 0;
2128 seekAdList[nrOfSeekAds++] = StrSave(buf);
2129 if(plot) PlotSeekAd(nrOfSeekAds-1);
2136 int x = xList[i], y = yList[i], d=squareSize/4, k;
2137 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2138 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2139 // now replot every dot that overlapped
2140 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2141 int xx = xList[k], yy = yList[k];
2142 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2143 DrawSeekDot(xx, yy, colorList[k]);
2148 RemoveSeekAd(int nr)
2151 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2153 if(seekAdList[i]) free(seekAdList[i]);
2154 seekAdList[i] = seekAdList[--nrOfSeekAds];
2155 seekNrList[i] = seekNrList[nrOfSeekAds];
2156 ratingList[i] = ratingList[nrOfSeekAds];
2157 colorList[i] = colorList[nrOfSeekAds];
2158 tcList[i] = tcList[nrOfSeekAds];
2159 xList[i] = xList[nrOfSeekAds];
2160 yList[i] = yList[nrOfSeekAds];
2161 zList[i] = zList[nrOfSeekAds];
2162 seekAdList[nrOfSeekAds] = NULL;
2168 MatchSoughtLine(char *line)
2170 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2171 int nr, base, inc, u=0; char dummy;
2173 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2174 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2176 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2177 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2178 // match: compact and save the line
2179 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2188 if(!seekGraphUp) return FALSE;
2190 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2191 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2193 DrawSeekBackground(0, 0, w, h);
2194 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2195 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2196 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2197 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2199 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2202 sprintf(buf, "%d", i);
2203 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2206 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2207 for(i=1; i<100; i+=(i<10?1:5)) {
2208 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2209 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2210 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2212 sprintf(buf, "%d", i);
2213 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2216 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2220 int SeekGraphClick(ClickType click, int x, int y, int moving)
2222 static int lastDown = 0, displayed = 0, lastSecond;
2223 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2224 if(click == Release || moving) return FALSE;
2226 soughtPending = TRUE;
2227 SendToICS(ics_prefix);
2228 SendToICS("sought\n"); // should this be "sought all"?
2229 } else { // issue challenge based on clicked ad
2230 int dist = 10000; int i, closest = 0, second = 0;
2231 for(i=0; i<nrOfSeekAds; i++) {
2232 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2233 if(d < dist) { dist = d; closest = i; }
2234 second += (d - zList[i] < 120); // count in-range ads
2235 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2239 second = (second > 1);
2240 if(displayed != closest || second != lastSecond) {
2241 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2242 lastSecond = second; displayed = closest;
2244 if(click == Press) {
2245 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2248 } // on press 'hit', only show info
2249 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2250 sprintf(buf, "play %d\n", seekNrList[closest]);
2251 SendToICS(ics_prefix);
2253 return TRUE; // let incoming board of started game pop down the graph
2254 } else if(click == Release) { // release 'miss' is ignored
2255 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2256 if(moving == 2) { // right up-click
2257 nrOfSeekAds = 0; // refresh graph
2258 soughtPending = TRUE;
2259 SendToICS(ics_prefix);
2260 SendToICS("sought\n"); // should this be "sought all"?
2263 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2264 // press miss or release hit 'pop down' seek graph
2265 seekGraphUp = FALSE;
2266 DrawPosition(TRUE, NULL);
2272 read_from_ics(isr, closure, data, count, error)
2279 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2280 #define STARTED_NONE 0
2281 #define STARTED_MOVES 1
2282 #define STARTED_BOARD 2
2283 #define STARTED_OBSERVE 3
2284 #define STARTED_HOLDINGS 4
2285 #define STARTED_CHATTER 5
2286 #define STARTED_COMMENT 6
2287 #define STARTED_MOVES_NOHIDE 7
2289 static int started = STARTED_NONE;
2290 static char parse[20000];
2291 static int parse_pos = 0;
2292 static char buf[BUF_SIZE + 1];
2293 static int firstTime = TRUE, intfSet = FALSE;
2294 static ColorClass prevColor = ColorNormal;
2295 static int savingComment = FALSE;
2296 static int cmatch = 0; // continuation sequence match
2303 int backup; /* [DM] For zippy color lines */
2305 char talker[MSG_SIZ]; // [HGM] chat
2308 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2310 if (appData.debugMode) {
2312 fprintf(debugFP, "<ICS: ");
2313 show_bytes(debugFP, data, count);
2314 fprintf(debugFP, "\n");
2318 if (appData.debugMode) { int f = forwardMostMove;
2319 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2320 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2321 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2324 /* If last read ended with a partial line that we couldn't parse,
2325 prepend it to the new read and try again. */
2326 if (leftover_len > 0) {
2327 for (i=0; i<leftover_len; i++)
2328 buf[i] = buf[leftover_start + i];
2331 /* copy new characters into the buffer */
2332 bp = buf + leftover_len;
2333 buf_len=leftover_len;
2334 for (i=0; i<count; i++)
2337 if (data[i] == '\r')
2340 // join lines split by ICS?
2341 if (!appData.noJoin)
2344 Joining just consists of finding matches against the
2345 continuation sequence, and discarding that sequence
2346 if found instead of copying it. So, until a match
2347 fails, there's nothing to do since it might be the
2348 complete sequence, and thus, something we don't want
2351 if (data[i] == cont_seq[cmatch])
2354 if (cmatch == strlen(cont_seq))
2356 cmatch = 0; // complete match. just reset the counter
2359 it's possible for the ICS to not include the space
2360 at the end of the last word, making our [correct]
2361 join operation fuse two separate words. the server
2362 does this when the space occurs at the width setting.
2364 if (!buf_len || buf[buf_len-1] != ' ')
2375 match failed, so we have to copy what matched before
2376 falling through and copying this character. In reality,
2377 this will only ever be just the newline character, but
2378 it doesn't hurt to be precise.
2380 strncpy(bp, cont_seq, cmatch);
2392 buf[buf_len] = NULLCHAR;
2393 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2398 while (i < buf_len) {
2399 /* Deal with part of the TELNET option negotiation
2400 protocol. We refuse to do anything beyond the
2401 defaults, except that we allow the WILL ECHO option,
2402 which ICS uses to turn off password echoing when we are
2403 directly connected to it. We reject this option
2404 if localLineEditing mode is on (always on in xboard)
2405 and we are talking to port 23, which might be a real
2406 telnet server that will try to keep WILL ECHO on permanently.
2408 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2409 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2410 unsigned char option;
2412 switch ((unsigned char) buf[++i]) {
2414 if (appData.debugMode)
2415 fprintf(debugFP, "\n<WILL ");
2416 switch (option = (unsigned char) buf[++i]) {
2418 if (appData.debugMode)
2419 fprintf(debugFP, "ECHO ");
2420 /* Reply only if this is a change, according
2421 to the protocol rules. */
2422 if (remoteEchoOption) break;
2423 if (appData.localLineEditing &&
2424 atoi(appData.icsPort) == TN_PORT) {
2425 TelnetRequest(TN_DONT, TN_ECHO);
2428 TelnetRequest(TN_DO, TN_ECHO);
2429 remoteEchoOption = TRUE;
2433 if (appData.debugMode)
2434 fprintf(debugFP, "%d ", option);
2435 /* Whatever this is, we don't want it. */
2436 TelnetRequest(TN_DONT, option);
2441 if (appData.debugMode)
2442 fprintf(debugFP, "\n<WONT ");
2443 switch (option = (unsigned char) buf[++i]) {
2445 if (appData.debugMode)
2446 fprintf(debugFP, "ECHO ");
2447 /* Reply only if this is a change, according
2448 to the protocol rules. */
2449 if (!remoteEchoOption) break;
2451 TelnetRequest(TN_DONT, TN_ECHO);
2452 remoteEchoOption = FALSE;
2455 if (appData.debugMode)
2456 fprintf(debugFP, "%d ", (unsigned char) option);
2457 /* Whatever this is, it must already be turned
2458 off, because we never agree to turn on
2459 anything non-default, so according to the
2460 protocol rules, we don't reply. */
2465 if (appData.debugMode)
2466 fprintf(debugFP, "\n<DO ");
2467 switch (option = (unsigned char) buf[++i]) {
2469 /* Whatever this is, we refuse to do it. */
2470 if (appData.debugMode)
2471 fprintf(debugFP, "%d ", option);
2472 TelnetRequest(TN_WONT, option);
2477 if (appData.debugMode)
2478 fprintf(debugFP, "\n<DONT ");
2479 switch (option = (unsigned char) buf[++i]) {
2481 if (appData.debugMode)
2482 fprintf(debugFP, "%d ", option);
2483 /* Whatever this is, we are already not doing
2484 it, because we never agree to do anything
2485 non-default, so according to the protocol
2486 rules, we don't reply. */
2491 if (appData.debugMode)
2492 fprintf(debugFP, "\n<IAC ");
2493 /* Doubled IAC; pass it through */
2497 if (appData.debugMode)
2498 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2499 /* Drop all other telnet commands on the floor */
2502 if (oldi > next_out)
2503 SendToPlayer(&buf[next_out], oldi - next_out);
2509 /* OK, this at least will *usually* work */
2510 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2514 if (loggedOn && !intfSet) {
2515 if (ics_type == ICS_ICC) {
2517 "/set-quietly interface %s\n/set-quietly style 12\n",
2519 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2520 strcat(str, "/set-2 51 1\n/set seek 1\n");
2521 } else if (ics_type == ICS_CHESSNET) {
2522 sprintf(str, "/style 12\n");
2524 strcpy(str, "alias $ @\n$set interface ");
2525 strcat(str, programVersion);
2526 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2527 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2528 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2530 strcat(str, "$iset nohighlight 1\n");
2532 strcat(str, "$iset lock 1\n$style 12\n");
2535 NotifyFrontendLogin();
2539 if (started == STARTED_COMMENT) {
2540 /* Accumulate characters in comment */
2541 parse[parse_pos++] = buf[i];
2542 if (buf[i] == '\n') {
2543 parse[parse_pos] = NULLCHAR;
2544 if(chattingPartner>=0) {
2546 sprintf(mess, "%s%s", talker, parse);
2547 OutputChatMessage(chattingPartner, mess);
2548 chattingPartner = -1;
2549 next_out = i+1; // [HGM] suppress printing in ICS window
2551 if(!suppressKibitz) // [HGM] kibitz
2552 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2553 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2554 int nrDigit = 0, nrAlph = 0, j;
2555 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2556 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2557 parse[parse_pos] = NULLCHAR;
2558 // try to be smart: if it does not look like search info, it should go to
2559 // ICS interaction window after all, not to engine-output window.
2560 for(j=0; j<parse_pos; j++) { // count letters and digits
2561 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2562 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2563 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2565 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2566 int depth=0; float score;
2567 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2568 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2569 pvInfoList[forwardMostMove-1].depth = depth;
2570 pvInfoList[forwardMostMove-1].score = 100*score;
2572 OutputKibitz(suppressKibitz, parse);
2575 sprintf(tmp, _("your opponent kibitzes: %s"), parse);
2576 SendToPlayer(tmp, strlen(tmp));
2578 next_out = i+1; // [HGM] suppress printing in ICS window
2580 started = STARTED_NONE;
2582 /* Don't match patterns against characters in comment */
2587 if (started == STARTED_CHATTER) {
2588 if (buf[i] != '\n') {
2589 /* Don't match patterns against characters in chatter */
2593 started = STARTED_NONE;
2594 if(suppressKibitz) next_out = i+1;
2597 /* Kludge to deal with rcmd protocol */
2598 if (firstTime && looking_at(buf, &i, "\001*")) {
2599 DisplayFatalError(&buf[1], 0, 1);
2605 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2608 if (appData.debugMode)
2609 fprintf(debugFP, "ics_type %d\n", ics_type);
2612 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2613 ics_type = ICS_FICS;
2615 if (appData.debugMode)
2616 fprintf(debugFP, "ics_type %d\n", ics_type);
2619 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
2620 ics_type = ICS_CHESSNET;
2622 if (appData.debugMode)
2623 fprintf(debugFP, "ics_type %d\n", ics_type);
2628 (looking_at(buf, &i, "\"*\" is *a registered name") ||
2629 looking_at(buf, &i, "Logging you in as \"*\"") ||
2630 looking_at(buf, &i, "will be \"*\""))) {
2631 strcpy(ics_handle, star_match[0]);
2635 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
2637 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
2638 DisplayIcsInteractionTitle(buf);
2639 have_set_title = TRUE;
2642 /* skip finger notes */
2643 if (started == STARTED_NONE &&
2644 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
2645 (buf[i] == '1' && buf[i+1] == '0')) &&
2646 buf[i+2] == ':' && buf[i+3] == ' ') {
2647 started = STARTED_CHATTER;
2653 // [HGM] seekgraph: recognize sought lines and end-of-sought message
2654 if(appData.seekGraph) {
2655 if(soughtPending && MatchSoughtLine(buf+i)) {
2656 i = strstr(buf+i, "rated") - buf;
2657 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2658 next_out = leftover_start = i;
2659 started = STARTED_CHATTER;
2660 suppressKibitz = TRUE;
2663 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
2664 && looking_at(buf, &i, "* ads displayed")) {
2665 soughtPending = FALSE;
2670 if(appData.autoRefresh) {
2671 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
2672 int s = (ics_type == ICS_ICC); // ICC format differs
2674 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
2675 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
2676 looking_at(buf, &i, "*% "); // eat prompt
2677 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
2678 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2679 next_out = i; // suppress
2682 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
2683 char *p = star_match[0];
2685 if(seekGraphUp) RemoveSeekAd(atoi(p));
2686 while(*p && *p++ != ' '); // next
2688 looking_at(buf, &i, "*% "); // eat prompt
2689 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2696 /* skip formula vars */
2697 if (started == STARTED_NONE &&
2698 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
2699 started = STARTED_CHATTER;
2704 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
2705 if (appData.autoKibitz && started == STARTED_NONE &&
2706 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
2707 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
2708 if(looking_at(buf, &i, "* kibitzes: ") &&
2709 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
2710 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
2711 suppressKibitz = TRUE;
2712 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2714 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
2715 && (gameMode == IcsPlayingWhite)) ||
2716 (StrStr(star_match[0], gameInfo.black) == star_match[0]
2717 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
2718 started = STARTED_CHATTER; // own kibitz we simply discard
2720 started = STARTED_COMMENT; // make sure it will be collected in parse[]
2721 parse_pos = 0; parse[0] = NULLCHAR;
2722 savingComment = TRUE;
2723 suppressKibitz = gameMode != IcsObserving ? 2 :
2724 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
2728 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
2729 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
2730 && atoi(star_match[0])) {
2731 // suppress the acknowledgements of our own autoKibitz
2733 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2734 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
2735 SendToPlayer(star_match[0], strlen(star_match[0]));
2736 if(looking_at(buf, &i, "*% ")) // eat prompt
2737 suppressKibitz = FALSE;
2741 } // [HGM] kibitz: end of patch
2743 // [HGM] chat: intercept tells by users for which we have an open chat window
2745 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
2746 looking_at(buf, &i, "* whispers:") ||
2747 looking_at(buf, &i, "* shouts:") ||
2748 looking_at(buf, &i, "* c-shouts:") ||
2749 looking_at(buf, &i, "--> * ") ||
2750 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
2751 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
2752 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
2753 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
2755 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
2756 chattingPartner = -1;
2758 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
2759 for(p=0; p<MAX_CHAT; p++) {
2760 if(channel == atoi(chatPartner[p])) {
2761 talker[0] = '['; strcat(talker, "] ");
2762 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
2763 chattingPartner = p; break;
2766 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
2767 for(p=0; p<MAX_CHAT; p++) {
2768 if(!strcmp("whispers", chatPartner[p])) {
2769 talker[0] = '['; strcat(talker, "] ");
2770 chattingPartner = p; break;
2773 if(buf[i-3] == 't' || buf[oldi+2] == '>') // shout, c-shout or it; look if there is a 'shouts' chatbox
2774 for(p=0; p<MAX_CHAT; p++) {
2775 if(!strcmp("shouts", chatPartner[p])) {
2776 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
2777 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
2778 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
2779 chattingPartner = p; break;
2782 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
2783 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
2784 talker[0] = 0; Colorize(ColorTell, FALSE);
2785 chattingPartner = p; break;
2787 if(chattingPartner<0) i = oldi; else {
2788 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
2789 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
2790 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2791 started = STARTED_COMMENT;
2792 parse_pos = 0; parse[0] = NULLCHAR;
2793 savingComment = 3 + chattingPartner; // counts as TRUE
2794 suppressKibitz = TRUE;
2797 } // [HGM] chat: end of patch
2799 if (appData.zippyTalk || appData.zippyPlay) {
2800 /* [DM] Backup address for color zippy lines */
2804 if (loggedOn == TRUE)
2805 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
2806 (appData.zippyPlay && ZippyMatch(buf, &backup)));
2808 if (ZippyControl(buf, &i) ||
2809 ZippyConverse(buf, &i) ||
2810 (appData.zippyPlay && ZippyMatch(buf, &i))) {
2812 if (!appData.colorize) continue;
2816 } // [DM] 'else { ' deleted
2818 /* Regular tells and says */
2819 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
2820 looking_at(buf, &i, "* (your partner) tells you: ") ||
2821 looking_at(buf, &i, "* says: ") ||
2822 /* Don't color "message" or "messages" output */
2823 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
2824 looking_at(buf, &i, "*. * at *:*: ") ||
2825 looking_at(buf, &i, "--* (*:*): ") ||
2826 /* Message notifications (same color as tells) */
2827 looking_at(buf, &i, "* has left a message ") ||
2828 looking_at(buf, &i, "* just sent you a message:\n") ||
2829 /* Whispers and kibitzes */
2830 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
2831 looking_at(buf, &i, "* kibitzes: ") ||
2833 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
2835 if (tkind == 1 && strchr(star_match[0], ':')) {
2836 /* Avoid "tells you:" spoofs in channels */
2839 if (star_match[0][0] == NULLCHAR ||
2840 strchr(star_match[0], ' ') ||
2841 (tkind == 3 && strchr(star_match[1], ' '))) {
2842 /* Reject bogus matches */
2845 if (appData.colorize) {
2846 if (oldi > next_out) {
2847 SendToPlayer(&buf[next_out], oldi - next_out);
2852 Colorize(ColorTell, FALSE);
2853 curColor = ColorTell;
2856 Colorize(ColorKibitz, FALSE);
2857 curColor = ColorKibitz;
2860 p = strrchr(star_match[1], '(');
2867 Colorize(ColorChannel1, FALSE);
2868 curColor = ColorChannel1;
2870 Colorize(ColorChannel, FALSE);
2871 curColor = ColorChannel;
2875 curColor = ColorNormal;
2879 if (started == STARTED_NONE && appData.autoComment &&
2880 (gameMode == IcsObserving ||
2881 gameMode == IcsPlayingWhite ||
2882 gameMode == IcsPlayingBlack)) {
2883 parse_pos = i - oldi;
2884 memcpy(parse, &buf[oldi], parse_pos);
2885 parse[parse_pos] = NULLCHAR;
2886 started = STARTED_COMMENT;
2887 savingComment = TRUE;
2889 started = STARTED_CHATTER;
2890 savingComment = FALSE;
2897 if (looking_at(buf, &i, "* s-shouts: ") ||
2898 looking_at(buf, &i, "* c-shouts: ")) {
2899 if (appData.colorize) {
2900 if (oldi > next_out) {
2901 SendToPlayer(&buf[next_out], oldi - next_out);
2904 Colorize(ColorSShout, FALSE);
2905 curColor = ColorSShout;
2908 started = STARTED_CHATTER;
2912 if (looking_at(buf, &i, "--->")) {
2917 if (looking_at(buf, &i, "* shouts: ") ||
2918 looking_at(buf, &i, "--> ")) {
2919 if (appData.colorize) {
2920 if (oldi > next_out) {
2921 SendToPlayer(&buf[next_out], oldi - next_out);
2924 Colorize(ColorShout, FALSE);
2925 curColor = ColorShout;
2928 started = STARTED_CHATTER;
2932 if (looking_at( buf, &i, "Challenge:")) {
2933 if (appData.colorize) {
2934 if (oldi > next_out) {
2935 SendToPlayer(&buf[next_out], oldi - next_out);
2938 Colorize(ColorChallenge, FALSE);
2939 curColor = ColorChallenge;
2945 if (looking_at(buf, &i, "* offers you") ||
2946 looking_at(buf, &i, "* offers to be") ||
2947 looking_at(buf, &i, "* would like to") ||
2948 looking_at(buf, &i, "* requests to") ||
2949 looking_at(buf, &i, "Your opponent offers") ||
2950 looking_at(buf, &i, "Your opponent requests")) {
2952 if (appData.colorize) {
2953 if (oldi > next_out) {
2954 SendToPlayer(&buf[next_out], oldi - next_out);
2957 Colorize(ColorRequest, FALSE);
2958 curColor = ColorRequest;
2963 if (looking_at(buf, &i, "* (*) seeking")) {
2964 if (appData.colorize) {
2965 if (oldi > next_out) {
2966 SendToPlayer(&buf[next_out], oldi - next_out);
2969 Colorize(ColorSeek, FALSE);
2970 curColor = ColorSeek;
2975 if (looking_at(buf, &i, "\\ ")) {
2976 if (prevColor != ColorNormal) {
2977 if (oldi > next_out) {
2978 SendToPlayer(&buf[next_out], oldi - next_out);
2981 Colorize(prevColor, TRUE);
2982 curColor = prevColor;
2984 if (savingComment) {
2985 parse_pos = i - oldi;
2986 memcpy(parse, &buf[oldi], parse_pos);
2987 parse[parse_pos] = NULLCHAR;
2988 started = STARTED_COMMENT;
2989 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
2990 chattingPartner = savingComment - 3; // kludge to remember the box
2992 started = STARTED_CHATTER;
2997 if (looking_at(buf, &i, "Black Strength :") ||
2998 looking_at(buf, &i, "<<< style 10 board >>>") ||
2999 looking_at(buf, &i, "<10>") ||
3000 looking_at(buf, &i, "#@#")) {
3001 /* Wrong board style */
3003 SendToICS(ics_prefix);
3004 SendToICS("set style 12\n");
3005 SendToICS(ics_prefix);
3006 SendToICS("refresh\n");
3010 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3012 have_sent_ICS_logon = 1;
3016 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3017 (looking_at(buf, &i, "\n<12> ") ||
3018 looking_at(buf, &i, "<12> "))) {
3020 if (oldi > next_out) {
3021 SendToPlayer(&buf[next_out], oldi - next_out);
3024 started = STARTED_BOARD;
3029 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3030 looking_at(buf, &i, "<b1> ")) {
3031 if (oldi > next_out) {
3032 SendToPlayer(&buf[next_out], oldi - next_out);
3035 started = STARTED_HOLDINGS;
3040 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3042 /* Header for a move list -- first line */
3044 switch (ics_getting_history) {
3048 case BeginningOfGame:
3049 /* User typed "moves" or "oldmoves" while we
3050 were idle. Pretend we asked for these
3051 moves and soak them up so user can step
3052 through them and/or save them.
3055 gameMode = IcsObserving;
3058 ics_getting_history = H_GOT_UNREQ_HEADER;
3060 case EditGame: /*?*/
3061 case EditPosition: /*?*/
3062 /* Should above feature work in these modes too? */
3063 /* For now it doesn't */
3064 ics_getting_history = H_GOT_UNWANTED_HEADER;
3067 ics_getting_history = H_GOT_UNWANTED_HEADER;
3072 /* Is this the right one? */
3073 if (gameInfo.white && gameInfo.black &&
3074 strcmp(gameInfo.white, star_match[0]) == 0 &&
3075 strcmp(gameInfo.black, star_match[2]) == 0) {
3077 ics_getting_history = H_GOT_REQ_HEADER;
3080 case H_GOT_REQ_HEADER:
3081 case H_GOT_UNREQ_HEADER:
3082 case H_GOT_UNWANTED_HEADER:
3083 case H_GETTING_MOVES:
3084 /* Should not happen */
3085 DisplayError(_("Error gathering move list: two headers"), 0);
3086 ics_getting_history = H_FALSE;
3090 /* Save player ratings into gameInfo if needed */
3091 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3092 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3093 (gameInfo.whiteRating == -1 ||
3094 gameInfo.blackRating == -1)) {
3096 gameInfo.whiteRating = string_to_rating(star_match[1]);
3097 gameInfo.blackRating = string_to_rating(star_match[3]);
3098 if (appData.debugMode)
3099 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3100 gameInfo.whiteRating, gameInfo.blackRating);
3105 if (looking_at(buf, &i,
3106 "* * match, initial time: * minute*, increment: * second")) {
3107 /* Header for a move list -- second line */
3108 /* Initial board will follow if this is a wild game */
3109 if (gameInfo.event != NULL) free(gameInfo.event);
3110 sprintf(str, "ICS %s %s match", star_match[0], star_match[1]);
3111 gameInfo.event = StrSave(str);
3112 /* [HGM] we switched variant. Translate boards if needed. */
3113 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3117 if (looking_at(buf, &i, "Move ")) {
3118 /* Beginning of a move list */
3119 switch (ics_getting_history) {
3121 /* Normally should not happen */
3122 /* Maybe user hit reset while we were parsing */
3125 /* Happens if we are ignoring a move list that is not
3126 * the one we just requested. Common if the user
3127 * tries to observe two games without turning off
3130 case H_GETTING_MOVES:
3131 /* Should not happen */
3132 DisplayError(_("Error gathering move list: nested"), 0);
3133 ics_getting_history = H_FALSE;
3135 case H_GOT_REQ_HEADER:
3136 ics_getting_history = H_GETTING_MOVES;
3137 started = STARTED_MOVES;
3139 if (oldi > next_out) {
3140 SendToPlayer(&buf[next_out], oldi - next_out);
3143 case H_GOT_UNREQ_HEADER:
3144 ics_getting_history = H_GETTING_MOVES;
3145 started = STARTED_MOVES_NOHIDE;
3148 case H_GOT_UNWANTED_HEADER:
3149 ics_getting_history = H_FALSE;
3155 if (looking_at(buf, &i, "% ") ||
3156 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3157 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3158 if(ics_type == ICS_ICC && soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3159 soughtPending = FALSE;
3163 if(suppressKibitz) next_out = i;
3164 savingComment = FALSE;
3168 case STARTED_MOVES_NOHIDE:
3169 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3170 parse[parse_pos + i - oldi] = NULLCHAR;
3171 ParseGameHistory(parse);
3173 if (appData.zippyPlay && first.initDone) {
3174 FeedMovesToProgram(&first, forwardMostMove);
3175 if (gameMode == IcsPlayingWhite) {
3176 if (WhiteOnMove(forwardMostMove)) {
3177 if (first.sendTime) {
3178 if (first.useColors) {
3179 SendToProgram("black\n", &first);
3181 SendTimeRemaining(&first, TRUE);
3183 if (first.useColors) {
3184 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3186 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3187 first.maybeThinking = TRUE;
3189 if (first.usePlayother) {
3190 if (first.sendTime) {
3191 SendTimeRemaining(&first, TRUE);
3193 SendToProgram("playother\n", &first);
3199 } else if (gameMode == IcsPlayingBlack) {
3200 if (!WhiteOnMove(forwardMostMove)) {
3201 if (first.sendTime) {
3202 if (first.useColors) {
3203 SendToProgram("white\n", &first);
3205 SendTimeRemaining(&first, FALSE);
3207 if (first.useColors) {
3208 SendToProgram("black\n", &first);
3210 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3211 first.maybeThinking = TRUE;
3213 if (first.usePlayother) {
3214 if (first.sendTime) {
3215 SendTimeRemaining(&first, FALSE);
3217 SendToProgram("playother\n", &first);
3226 if (gameMode == IcsObserving && ics_gamenum == -1) {
3227 /* Moves came from oldmoves or moves command
3228 while we weren't doing anything else.
3230 currentMove = forwardMostMove;
3231 ClearHighlights();/*!!could figure this out*/
3232 flipView = appData.flipView;
3233 DrawPosition(TRUE, boards[currentMove]);
3234 DisplayBothClocks();
3235 sprintf(str, "%s vs. %s",
3236 gameInfo.white, gameInfo.black);
3240 /* Moves were history of an active game */
3241 if (gameInfo.resultDetails != NULL) {
3242 free(gameInfo.resultDetails);
3243 gameInfo.resultDetails = NULL;
3246 HistorySet(parseList, backwardMostMove,
3247 forwardMostMove, currentMove-1);
3248 DisplayMove(currentMove - 1);
3249 if (started == STARTED_MOVES) next_out = i;
3250 started = STARTED_NONE;
3251 ics_getting_history = H_FALSE;
3254 case STARTED_OBSERVE:
3255 started = STARTED_NONE;
3256 SendToICS(ics_prefix);
3257 SendToICS("refresh\n");
3263 if(bookHit) { // [HGM] book: simulate book reply
3264 static char bookMove[MSG_SIZ]; // a bit generous?
3266 programStats.nodes = programStats.depth = programStats.time =
3267 programStats.score = programStats.got_only_move = 0;
3268 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3270 strcpy(bookMove, "move ");
3271 strcat(bookMove, bookHit);
3272 HandleMachineMove(bookMove, &first);
3277 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3278 started == STARTED_HOLDINGS ||
3279 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3280 /* Accumulate characters in move list or board */
3281 parse[parse_pos++] = buf[i];
3284 /* Start of game messages. Mostly we detect start of game
3285 when the first board image arrives. On some versions
3286 of the ICS, though, we need to do a "refresh" after starting
3287 to observe in order to get the current board right away. */
3288 if (looking_at(buf, &i, "Adding game * to observation list")) {
3289 started = STARTED_OBSERVE;
3293 /* Handle auto-observe */
3294 if (appData.autoObserve &&
3295 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3296 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3298 /* Choose the player that was highlighted, if any. */
3299 if (star_match[0][0] == '\033' ||
3300 star_match[1][0] != '\033') {
3301 player = star_match[0];
3303 player = star_match[2];
3305 sprintf(str, "%sobserve %s\n",
3306 ics_prefix, StripHighlightAndTitle(player));
3309 /* Save ratings from notify string */
3310 strcpy(player1Name, star_match[0]);
3311 player1Rating = string_to_rating(star_match[1]);
3312 strcpy(player2Name, star_match[2]);
3313 player2Rating = string_to_rating(star_match[3]);
3315 if (appData.debugMode)
3317 "Ratings from 'Game notification:' %s %d, %s %d\n",
3318 player1Name, player1Rating,
3319 player2Name, player2Rating);
3324 /* Deal with automatic examine mode after a game,
3325 and with IcsObserving -> IcsExamining transition */
3326 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3327 looking_at(buf, &i, "has made you an examiner of game *")) {
3329 int gamenum = atoi(star_match[0]);
3330 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3331 gamenum == ics_gamenum) {
3332 /* We were already playing or observing this game;
3333 no need to refetch history */
3334 gameMode = IcsExamining;
3336 pauseExamForwardMostMove = forwardMostMove;
3337 } else if (currentMove < forwardMostMove) {
3338 ForwardInner(forwardMostMove);
3341 /* I don't think this case really can happen */
3342 SendToICS(ics_prefix);
3343 SendToICS("refresh\n");
3348 /* Error messages */
3349 // if (ics_user_moved) {
3350 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3351 if (looking_at(buf, &i, "Illegal move") ||
3352 looking_at(buf, &i, "Not a legal move") ||
3353 looking_at(buf, &i, "Your king is in check") ||
3354 looking_at(buf, &i, "It isn't your turn") ||
3355 looking_at(buf, &i, "It is not your move")) {
3357 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3358 currentMove = forwardMostMove-1;
3359 DisplayMove(currentMove - 1); /* before DMError */
3360 DrawPosition(FALSE, boards[currentMove]);
3361 SwitchClocks(forwardMostMove-1); // [HGM] race
3362 DisplayBothClocks();
3364 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3370 if (looking_at(buf, &i, "still have time") ||
3371 looking_at(buf, &i, "not out of time") ||
3372 looking_at(buf, &i, "either player is out of time") ||
3373 looking_at(buf, &i, "has timeseal; checking")) {
3374 /* We must have called his flag a little too soon */
3375 whiteFlag = blackFlag = FALSE;
3379 if (looking_at(buf, &i, "added * seconds to") ||
3380 looking_at(buf, &i, "seconds were added to")) {
3381 /* Update the clocks */
3382 SendToICS(ics_prefix);
3383 SendToICS("refresh\n");
3387 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3388 ics_clock_paused = TRUE;
3393 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3394 ics_clock_paused = FALSE;
3399 /* Grab player ratings from the Creating: message.
3400 Note we have to check for the special case when
3401 the ICS inserts things like [white] or [black]. */
3402 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3403 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3405 0 player 1 name (not necessarily white)
3407 2 empty, white, or black (IGNORED)
3408 3 player 2 name (not necessarily black)
3411 The names/ratings are sorted out when the game
3412 actually starts (below).
3414 strcpy(player1Name, StripHighlightAndTitle(star_match[0]));
3415 player1Rating = string_to_rating(star_match[1]);
3416 strcpy(player2Name, StripHighlightAndTitle(star_match[3]));
3417 player2Rating = string_to_rating(star_match[4]);
3419 if (appData.debugMode)
3421 "Ratings from 'Creating:' %s %d, %s %d\n",
3422 player1Name, player1Rating,
3423 player2Name, player2Rating);
3428 /* Improved generic start/end-of-game messages */
3429 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3430 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3431 /* If tkind == 0: */
3432 /* star_match[0] is the game number */
3433 /* [1] is the white player's name */
3434 /* [2] is the black player's name */
3435 /* For end-of-game: */
3436 /* [3] is the reason for the game end */
3437 /* [4] is a PGN end game-token, preceded by " " */
3438 /* For start-of-game: */
3439 /* [3] begins with "Creating" or "Continuing" */
3440 /* [4] is " *" or empty (don't care). */
3441 int gamenum = atoi(star_match[0]);
3442 char *whitename, *blackname, *why, *endtoken;
3443 ChessMove endtype = (ChessMove) 0;
3446 whitename = star_match[1];
3447 blackname = star_match[2];
3448 why = star_match[3];
3449 endtoken = star_match[4];
3451 whitename = star_match[1];
3452 blackname = star_match[3];
3453 why = star_match[5];
3454 endtoken = star_match[6];
3457 /* Game start messages */
3458 if (strncmp(why, "Creating ", 9) == 0 ||
3459 strncmp(why, "Continuing ", 11) == 0) {
3460 gs_gamenum = gamenum;
3461 strcpy(gs_kind, strchr(why, ' ') + 1);
3462 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3464 if (appData.zippyPlay) {
3465 ZippyGameStart(whitename, blackname);
3468 partnerBoardValid = FALSE; // [HGM] bughouse
3472 /* Game end messages */
3473 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3474 ics_gamenum != gamenum) {
3477 while (endtoken[0] == ' ') endtoken++;
3478 switch (endtoken[0]) {
3481 endtype = GameUnfinished;
3484 endtype = BlackWins;
3487 if (endtoken[1] == '/')
3488 endtype = GameIsDrawn;
3490 endtype = WhiteWins;
3493 GameEnds(endtype, why, GE_ICS);
3495 if (appData.zippyPlay && first.initDone) {
3496 ZippyGameEnd(endtype, why);
3497 if (first.pr == NULL) {
3498 /* Start the next process early so that we'll
3499 be ready for the next challenge */
3500 StartChessProgram(&first);
3502 /* Send "new" early, in case this command takes
3503 a long time to finish, so that we'll be ready
3504 for the next challenge. */
3505 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3509 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3513 if (looking_at(buf, &i, "Removing game * from observation") ||
3514 looking_at(buf, &i, "no longer observing game *") ||
3515 looking_at(buf, &i, "Game * (*) has no examiners")) {
3516 if (gameMode == IcsObserving &&
3517 atoi(star_match[0]) == ics_gamenum)
3519 /* icsEngineAnalyze */
3520 if (appData.icsEngineAnalyze) {
3527 ics_user_moved = FALSE;
3532 if (looking_at(buf, &i, "no longer examining game *")) {
3533 if (gameMode == IcsExamining &&
3534 atoi(star_match[0]) == ics_gamenum)
3538 ics_user_moved = FALSE;
3543 /* Advance leftover_start past any newlines we find,
3544 so only partial lines can get reparsed */
3545 if (looking_at(buf, &i, "\n")) {
3546 prevColor = curColor;
3547 if (curColor != ColorNormal) {
3548 if (oldi > next_out) {
3549 SendToPlayer(&buf[next_out], oldi - next_out);
3552 Colorize(ColorNormal, FALSE);
3553 curColor = ColorNormal;
3555 if (started == STARTED_BOARD) {
3556 started = STARTED_NONE;
3557 parse[parse_pos] = NULLCHAR;
3558 ParseBoard12(parse);
3561 /* Send premove here */
3562 if (appData.premove) {
3564 if (currentMove == 0 &&
3565 gameMode == IcsPlayingWhite &&
3566 appData.premoveWhite) {
3567 sprintf(str, "%s\n", appData.premoveWhiteText);
3568 if (appData.debugMode)
3569 fprintf(debugFP, "Sending premove:\n");
3571 } else if (currentMove == 1 &&
3572 gameMode == IcsPlayingBlack &&
3573 appData.premoveBlack) {
3574 sprintf(str, "%s\n", appData.premoveBlackText);
3575 if (appData.debugMode)
3576 fprintf(debugFP, "Sending premove:\n");
3578 } else if (gotPremove) {
3580 ClearPremoveHighlights();
3581 if (appData.debugMode)
3582 fprintf(debugFP, "Sending premove:\n");
3583 UserMoveEvent(premoveFromX, premoveFromY,
3584 premoveToX, premoveToY,
3589 /* Usually suppress following prompt */
3590 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3591 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3592 if (looking_at(buf, &i, "*% ")) {
3593 savingComment = FALSE;
3598 } else if (started == STARTED_HOLDINGS) {
3600 char new_piece[MSG_SIZ];
3601 started = STARTED_NONE;
3602 parse[parse_pos] = NULLCHAR;
3603 if (appData.debugMode)
3604 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
3605 parse, currentMove);
3606 if (sscanf(parse, " game %d", &gamenum) == 1) {
3607 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
3608 if (gameInfo.variant == VariantNormal) {
3609 /* [HGM] We seem to switch variant during a game!
3610 * Presumably no holdings were displayed, so we have
3611 * to move the position two files to the right to
3612 * create room for them!
3614 VariantClass newVariant;
3615 switch(gameInfo.boardWidth) { // base guess on board width
3616 case 9: newVariant = VariantShogi; break;
3617 case 10: newVariant = VariantGreat; break;
3618 default: newVariant = VariantCrazyhouse; break;
3620 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3621 /* Get a move list just to see the header, which
3622 will tell us whether this is really bug or zh */
3623 if (ics_getting_history == H_FALSE) {
3624 ics_getting_history = H_REQUESTED;
3625 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3629 new_piece[0] = NULLCHAR;
3630 sscanf(parse, "game %d white [%s black [%s <- %s",
3631 &gamenum, white_holding, black_holding,
3633 white_holding[strlen(white_holding)-1] = NULLCHAR;
3634 black_holding[strlen(black_holding)-1] = NULLCHAR;
3635 /* [HGM] copy holdings to board holdings area */
3636 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
3637 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
3638 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
3640 if (appData.zippyPlay && first.initDone) {
3641 ZippyHoldings(white_holding, black_holding,
3645 if (tinyLayout || smallLayout) {
3646 char wh[16], bh[16];
3647 PackHolding(wh, white_holding);
3648 PackHolding(bh, black_holding);
3649 sprintf(str, "[%s-%s] %s-%s", wh, bh,
3650 gameInfo.white, gameInfo.black);
3652 sprintf(str, "%s [%s] vs. %s [%s]",
3653 gameInfo.white, white_holding,
3654 gameInfo.black, black_holding);
3656 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
3657 DrawPosition(FALSE, boards[currentMove]);
3659 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
3660 sscanf(parse, "game %d white [%s black [%s <- %s",
3661 &gamenum, white_holding, black_holding,
3663 white_holding[strlen(white_holding)-1] = NULLCHAR;
3664 black_holding[strlen(black_holding)-1] = NULLCHAR;
3665 /* [HGM] copy holdings to partner-board holdings area */
3666 CopyHoldings(partnerBoard, white_holding, WhitePawn);
3667 CopyHoldings(partnerBoard, black_holding, BlackPawn);
3668 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
3669 if(partnerUp) DrawPosition(FALSE, partnerBoard);
3670 if(twoBoards) { partnerUp = 0; flipView = !flipView; DrawPosition(TRUE, boards[currentMove]); } // [HGM] dual: redraw own
3673 /* Suppress following prompt */
3674 if (looking_at(buf, &i, "*% ")) {
3675 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
3676 savingComment = FALSE;
3684 i++; /* skip unparsed character and loop back */
3687 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
3688 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
3689 // SendToPlayer(&buf[next_out], i - next_out);
3690 started != STARTED_HOLDINGS && leftover_start > next_out) {
3691 SendToPlayer(&buf[next_out], leftover_start - next_out);
3695 leftover_len = buf_len - leftover_start;
3696 /* if buffer ends with something we couldn't parse,
3697 reparse it after appending the next read */
3699 } else if (count == 0) {
3700 RemoveInputSource(isr);
3701 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
3703 DisplayFatalError(_("Error reading from ICS"), error, 1);
3708 /* Board style 12 looks like this:
3710 <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
3712 * The "<12> " is stripped before it gets to this routine. The two
3713 * trailing 0's (flip state and clock ticking) are later addition, and
3714 * some chess servers may not have them, or may have only the first.
3715 * Additional trailing fields may be added in the future.
3718 #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"
3720 #define RELATION_OBSERVING_PLAYED 0
3721 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
3722 #define RELATION_PLAYING_MYMOVE 1
3723 #define RELATION_PLAYING_NOTMYMOVE -1
3724 #define RELATION_EXAMINING 2
3725 #define RELATION_ISOLATED_BOARD -3
3726 #define RELATION_STARTING_POSITION -4 /* FICS only */
3729 ParseBoard12(string)
3732 GameMode newGameMode;
3733 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
3734 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
3735 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
3736 char to_play, board_chars[200];
3737 char move_str[500], str[500], elapsed_time[500];
3738 char black[32], white[32];
3740 int prevMove = currentMove;
3743 int fromX, fromY, toX, toY;
3745 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
3746 char *bookHit = NULL; // [HGM] book
3747 Boolean weird = FALSE, reqFlag = FALSE;
3749 fromX = fromY = toX = toY = -1;
3753 if (appData.debugMode)
3754 fprintf(debugFP, _("Parsing board: %s\n"), string);
3756 move_str[0] = NULLCHAR;
3757 elapsed_time[0] = NULLCHAR;
3758 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
3760 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
3761 if(string[i] == ' ') { ranks++; files = 0; }
3763 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
3766 for(j = 0; j <i; j++) board_chars[j] = string[j];
3767 board_chars[i] = '\0';
3770 n = sscanf(string, PATTERN, &to_play, &double_push,
3771 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
3772 &gamenum, white, black, &relation, &basetime, &increment,
3773 &white_stren, &black_stren, &white_time, &black_time,
3774 &moveNum, str, elapsed_time, move_str, &ics_flip,
3778 snprintf(str, sizeof(str), _("Failed to parse board string:\n\"%s\""), string);
3779 DisplayError(str, 0);
3783 /* Convert the move number to internal form */
3784 moveNum = (moveNum - 1) * 2;
3785 if (to_play == 'B') moveNum++;
3786 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
3787 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
3793 case RELATION_OBSERVING_PLAYED:
3794 case RELATION_OBSERVING_STATIC:
3795 if (gamenum == -1) {
3796 /* Old ICC buglet */
3797 relation = RELATION_OBSERVING_STATIC;
3799 newGameMode = IcsObserving;
3801 case RELATION_PLAYING_MYMOVE:
3802 case RELATION_PLAYING_NOTMYMOVE:
3804 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
3805 IcsPlayingWhite : IcsPlayingBlack;
3807 case RELATION_EXAMINING:
3808 newGameMode = IcsExamining;
3810 case RELATION_ISOLATED_BOARD:
3812 /* Just display this board. If user was doing something else,
3813 we will forget about it until the next board comes. */
3814 newGameMode = IcsIdle;
3816 case RELATION_STARTING_POSITION:
3817 newGameMode = gameMode;
3821 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
3822 && newGameMode == IcsObserving && appData.bgObserve) {
3823 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
3824 for (k = 0; k < ranks; k++) {
3825 for (j = 0; j < files; j++)
3826 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
3827 if(gameInfo.holdingsWidth > 1) {
3828 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
3829 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
3832 if(appData.dualBoard) { twoBoards = partnerUp = 1; flipView = !flipView; InitDrawingSizes(-2,0); } // [HGM] dual
3833 CopyBoard(partnerBoard, board);
3834 if(partnerUp) DrawPosition(FALSE, partnerBoard);
3835 if(twoBoards) { partnerUp = 0; flipView = !flipView; DrawPosition(TRUE, boards[currentMove]); } // [HGM] dual: redraw own game!
3836 sprintf(partnerStatus, "W: %d:%d B: %d:%d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
3837 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
3838 DisplayMessage(partnerStatus, "");
3839 partnerBoardValid = TRUE;
3843 /* Modify behavior for initial board display on move listing
3846 switch (ics_getting_history) {
3850 case H_GOT_REQ_HEADER:
3851 case H_GOT_UNREQ_HEADER:
3852 /* This is the initial position of the current game */
3853 gamenum = ics_gamenum;
3854 moveNum = 0; /* old ICS bug workaround */
3855 if (to_play == 'B') {
3856 startedFromSetupPosition = TRUE;
3857 blackPlaysFirst = TRUE;
3859 if (forwardMostMove == 0) forwardMostMove = 1;
3860 if (backwardMostMove == 0) backwardMostMove = 1;
3861 if (currentMove == 0) currentMove = 1;
3863 newGameMode = gameMode;
3864 relation = RELATION_STARTING_POSITION; /* ICC needs this */
3866 case H_GOT_UNWANTED_HEADER:
3867 /* This is an initial board that we don't want */
3869 case H_GETTING_MOVES:
3870 /* Should not happen */
3871 DisplayError(_("Error gathering move list: extra board"), 0);
3872 ics_getting_history = H_FALSE;
3876 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
3877 weird && (int)gameInfo.variant <= (int)VariantShogi) {
3878 /* [HGM] We seem to have switched variant unexpectedly
3879 * Try to guess new variant from board size
3881 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
3882 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
3883 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
3884 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
3885 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
3886 if(!weird) newVariant = VariantNormal;
3887 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3888 /* Get a move list just to see the header, which
3889 will tell us whether this is really bug or zh */
3890 if (ics_getting_history == H_FALSE) {
3891 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
3892 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3897 /* Take action if this is the first board of a new game, or of a
3898 different game than is currently being displayed. */
3899 if (gamenum != ics_gamenum || newGameMode != gameMode ||
3900 relation == RELATION_ISOLATED_BOARD) {
3902 /* Forget the old game and get the history (if any) of the new one */
3903 if (gameMode != BeginningOfGame) {
3907 if (appData.autoRaiseBoard) BoardToTop();
3909 if (gamenum == -1) {
3910 newGameMode = IcsIdle;
3911 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
3912 appData.getMoveList && !reqFlag) {
3913 /* Need to get game history */
3914 ics_getting_history = H_REQUESTED;
3915 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3919 /* Initially flip the board to have black on the bottom if playing
3920 black or if the ICS flip flag is set, but let the user change
3921 it with the Flip View button. */
3922 flipView = appData.autoFlipView ?
3923 (newGameMode == IcsPlayingBlack) || ics_flip :
3926 /* Done with values from previous mode; copy in new ones */
3927 gameMode = newGameMode;
3929 ics_gamenum = gamenum;
3930 if (gamenum == gs_gamenum) {
3931 int klen = strlen(gs_kind);
3932 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
3933 sprintf(str, "ICS %s", gs_kind);
3934 gameInfo.event = StrSave(str);
3936 gameInfo.event = StrSave("ICS game");
3938 gameInfo.site = StrSave(appData.icsHost);
3939 gameInfo.date = PGNDate();
3940 gameInfo.round = StrSave("-");
3941 gameInfo.white = StrSave(white);
3942 gameInfo.black = StrSave(black);
3943 timeControl = basetime * 60 * 1000;
3945 timeIncrement = increment * 1000;
3946 movesPerSession = 0;
3947 gameInfo.timeControl = TimeControlTagValue();
3948 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
3949 if (appData.debugMode) {
3950 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
3951 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
3952 setbuf(debugFP, NULL);
3955 gameInfo.outOfBook = NULL;
3957 /* Do we have the ratings? */
3958 if (strcmp(player1Name, white) == 0 &&
3959 strcmp(player2Name, black) == 0) {
3960 if (appData.debugMode)
3961 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
3962 player1Rating, player2Rating);
3963 gameInfo.whiteRating = player1Rating;
3964 gameInfo.blackRating = player2Rating;
3965 } else if (strcmp(player2Name, white) == 0 &&
3966 strcmp(player1Name, black) == 0) {
3967 if (appData.debugMode)
3968 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
3969 player2Rating, player1Rating);
3970 gameInfo.whiteRating = player2Rating;
3971 gameInfo.blackRating = player1Rating;
3973 player1Name[0] = player2Name[0] = NULLCHAR;
3975 /* Silence shouts if requested */
3976 if (appData.quietPlay &&
3977 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
3978 SendToICS(ics_prefix);
3979 SendToICS("set shout 0\n");
3983 /* Deal with midgame name changes */
3985 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
3986 if (gameInfo.white) free(gameInfo.white);
3987 gameInfo.white = StrSave(white);
3989 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
3990 if (gameInfo.black) free(gameInfo.black);
3991 gameInfo.black = StrSave(black);
3995 /* Throw away game result if anything actually changes in examine mode */
3996 if (gameMode == IcsExamining && !newGame) {
3997 gameInfo.result = GameUnfinished;
3998 if (gameInfo.resultDetails != NULL) {
3999 free(gameInfo.resultDetails);
4000 gameInfo.resultDetails = NULL;
4004 /* In pausing && IcsExamining mode, we ignore boards coming
4005 in if they are in a different variation than we are. */
4006 if (pauseExamInvalid) return;
4007 if (pausing && gameMode == IcsExamining) {
4008 if (moveNum <= pauseExamForwardMostMove) {
4009 pauseExamInvalid = TRUE;
4010 forwardMostMove = pauseExamForwardMostMove;
4015 if (appData.debugMode) {
4016 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4018 /* Parse the board */
4019 for (k = 0; k < ranks; k++) {
4020 for (j = 0; j < files; j++)
4021 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4022 if(gameInfo.holdingsWidth > 1) {
4023 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4024 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4027 CopyBoard(boards[moveNum], board);
4028 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4030 startedFromSetupPosition =
4031 !CompareBoards(board, initialPosition);
4032 if(startedFromSetupPosition)
4033 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4036 /* [HGM] Set castling rights. Take the outermost Rooks,
4037 to make it also work for FRC opening positions. Note that board12
4038 is really defective for later FRC positions, as it has no way to
4039 indicate which Rook can castle if they are on the same side of King.
4040 For the initial position we grant rights to the outermost Rooks,
4041 and remember thos rights, and we then copy them on positions
4042 later in an FRC game. This means WB might not recognize castlings with
4043 Rooks that have moved back to their original position as illegal,
4044 but in ICS mode that is not its job anyway.
4046 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4047 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4049 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4050 if(board[0][i] == WhiteRook) j = i;
4051 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4052 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4053 if(board[0][i] == WhiteRook) j = i;
4054 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4055 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4056 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4057 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4058 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4059 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4060 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4062 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4063 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4064 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4065 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4066 if(board[BOARD_HEIGHT-1][k] == bKing)
4067 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4068 if(gameInfo.variant == VariantTwoKings) {
4069 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4070 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4071 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4074 r = boards[moveNum][CASTLING][0] = initialRights[0];
4075 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4076 r = boards[moveNum][CASTLING][1] = initialRights[1];
4077 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4078 r = boards[moveNum][CASTLING][3] = initialRights[3];
4079 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4080 r = boards[moveNum][CASTLING][4] = initialRights[4];
4081 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4082 /* wildcastle kludge: always assume King has rights */
4083 r = boards[moveNum][CASTLING][2] = initialRights[2];
4084 r = boards[moveNum][CASTLING][5] = initialRights[5];
4086 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4087 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4090 if (ics_getting_history == H_GOT_REQ_HEADER ||
4091 ics_getting_history == H_GOT_UNREQ_HEADER) {
4092 /* This was an initial position from a move list, not
4093 the current position */
4097 /* Update currentMove and known move number limits */
4098 newMove = newGame || moveNum > forwardMostMove;
4101 forwardMostMove = backwardMostMove = currentMove = moveNum;
4102 if (gameMode == IcsExamining && moveNum == 0) {
4103 /* Workaround for ICS limitation: we are not told the wild
4104 type when starting to examine a game. But if we ask for
4105 the move list, the move list header will tell us */
4106 ics_getting_history = H_REQUESTED;
4107 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
4110 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4111 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4113 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4114 /* [HGM] applied this also to an engine that is silently watching */
4115 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4116 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4117 gameInfo.variant == currentlyInitializedVariant) {
4118 takeback = forwardMostMove - moveNum;
4119 for (i = 0; i < takeback; i++) {
4120 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4121 SendToProgram("undo\n", &first);
4126 forwardMostMove = moveNum;
4127 if (!pausing || currentMove > forwardMostMove)
4128 currentMove = forwardMostMove;
4130 /* New part of history that is not contiguous with old part */
4131 if (pausing && gameMode == IcsExamining) {
4132 pauseExamInvalid = TRUE;
4133 forwardMostMove = pauseExamForwardMostMove;
4136 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4138 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4139 // [HGM] when we will receive the move list we now request, it will be
4140 // fed to the engine from the first move on. So if the engine is not
4141 // in the initial position now, bring it there.
4142 InitChessProgram(&first, 0);
4145 ics_getting_history = H_REQUESTED;
4146 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
4149 forwardMostMove = backwardMostMove = currentMove = moveNum;
4152 /* Update the clocks */
4153 if (strchr(elapsed_time, '.')) {
4155 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4156 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4158 /* Time is in seconds */
4159 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4160 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4165 if (appData.zippyPlay && newGame &&
4166 gameMode != IcsObserving && gameMode != IcsIdle &&
4167 gameMode != IcsExamining)
4168 ZippyFirstBoard(moveNum, basetime, increment);
4171 /* Put the move on the move list, first converting
4172 to canonical algebraic form. */
4174 if (appData.debugMode) {
4175 if (appData.debugMode) { int f = forwardMostMove;
4176 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4177 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4178 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4180 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4181 fprintf(debugFP, "moveNum = %d\n", moveNum);
4182 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4183 setbuf(debugFP, NULL);
4185 if (moveNum <= backwardMostMove) {
4186 /* We don't know what the board looked like before
4188 strcpy(parseList[moveNum - 1], move_str);
4189 strcat(parseList[moveNum - 1], " ");
4190 strcat(parseList[moveNum - 1], elapsed_time);
4191 moveList[moveNum - 1][0] = NULLCHAR;
4192 } else if (strcmp(move_str, "none") == 0) {
4193 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4194 /* Again, we don't know what the board looked like;
4195 this is really the start of the game. */
4196 parseList[moveNum - 1][0] = NULLCHAR;
4197 moveList[moveNum - 1][0] = NULLCHAR;
4198 backwardMostMove = moveNum;
4199 startedFromSetupPosition = TRUE;
4200 fromX = fromY = toX = toY = -1;
4202 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4203 // So we parse the long-algebraic move string in stead of the SAN move
4204 int valid; char buf[MSG_SIZ], *prom;
4206 // str looks something like "Q/a1-a2"; kill the slash
4208 sprintf(buf, "%c%s", str[0], str+2);
4209 else strcpy(buf, str); // might be castling
4210 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4211 strcat(buf, prom); // long move lacks promo specification!
4212 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4213 if(appData.debugMode)
4214 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4215 strcpy(move_str, buf);
4217 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4218 &fromX, &fromY, &toX, &toY, &promoChar)
4219 || ParseOneMove(buf, moveNum - 1, &moveType,
4220 &fromX, &fromY, &toX, &toY, &promoChar);
4221 // end of long SAN patch
4223 (void) CoordsToAlgebraic(boards[moveNum - 1],
4224 PosFlags(moveNum - 1),
4225 fromY, fromX, toY, toX, promoChar,
4226 parseList[moveNum-1]);
4227 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4233 if(gameInfo.variant != VariantShogi)
4234 strcat(parseList[moveNum - 1], "+");
4237 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4238 strcat(parseList[moveNum - 1], "#");
4241 strcat(parseList[moveNum - 1], " ");
4242 strcat(parseList[moveNum - 1], elapsed_time);
4243 /* currentMoveString is set as a side-effect of ParseOneMove */
4244 strcpy(moveList[moveNum - 1], currentMoveString);
4245 strcat(moveList[moveNum - 1], "\n");
4247 /* Move from ICS was illegal!? Punt. */
4248 if (appData.debugMode) {
4249 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4250 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4252 strcpy(parseList[moveNum - 1], move_str);
4253 strcat(parseList[moveNum - 1], " ");
4254 strcat(parseList[moveNum - 1], elapsed_time);
4255 moveList[moveNum - 1][0] = NULLCHAR;
4256 fromX = fromY = toX = toY = -1;
4259 if (appData.debugMode) {
4260 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4261 setbuf(debugFP, NULL);
4265 /* Send move to chess program (BEFORE animating it). */
4266 if (appData.zippyPlay && !newGame && newMove &&
4267 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4269 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4270 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4271 if (moveList[moveNum - 1][0] == NULLCHAR) {
4272 sprintf(str, _("Couldn't parse move \"%s\" from ICS"),
4274 DisplayError(str, 0);
4276 if (first.sendTime) {
4277 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4279 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4280 if (firstMove && !bookHit) {
4282 if (first.useColors) {
4283 SendToProgram(gameMode == IcsPlayingWhite ?
4285 "black\ngo\n", &first);
4287 SendToProgram("go\n", &first);
4289 first.maybeThinking = TRUE;
4292 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4293 if (moveList[moveNum - 1][0] == NULLCHAR) {
4294 sprintf(str, _("Couldn't parse move \"%s\" from ICS"), move_str);
4295 DisplayError(str, 0);
4297 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4298 SendMoveToProgram(moveNum - 1, &first);
4305 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4306 /* If move comes from a remote source, animate it. If it
4307 isn't remote, it will have already been animated. */
4308 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4309 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4311 if (!pausing && appData.highlightLastMove) {
4312 SetHighlights(fromX, fromY, toX, toY);
4316 /* Start the clocks */
4317 whiteFlag = blackFlag = FALSE;
4318 appData.clockMode = !(basetime == 0 && increment == 0);
4320 ics_clock_paused = TRUE;
4322 } else if (ticking == 1) {
4323 ics_clock_paused = FALSE;
4325 if (gameMode == IcsIdle ||
4326 relation == RELATION_OBSERVING_STATIC ||
4327 relation == RELATION_EXAMINING ||
4329 DisplayBothClocks();
4333 /* Display opponents and material strengths */
4334 if (gameInfo.variant != VariantBughouse &&
4335 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4336 if (tinyLayout || smallLayout) {
4337 if(gameInfo.variant == VariantNormal)
4338 sprintf(str, "%s(%d) %s(%d) {%d %d}",
4339 gameInfo.white, white_stren, gameInfo.black, black_stren,
4340 basetime, increment);
4342 sprintf(str, "%s(%d) %s(%d) {%d %d w%d}",
4343 gameInfo.white, white_stren, gameInfo.black, black_stren,
4344 basetime, increment, (int) gameInfo.variant);
4346 if(gameInfo.variant == VariantNormal)
4347 sprintf(str, "%s (%d) vs. %s (%d) {%d %d}",
4348 gameInfo.white, white_stren, gameInfo.black, black_stren,
4349 basetime, increment);
4351 sprintf(str, "%s (%d) vs. %s (%d) {%d %d %s}",
4352 gameInfo.white, white_stren, gameInfo.black, black_stren,
4353 basetime, increment, VariantName(gameInfo.variant));
4356 if (appData.debugMode) {
4357 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4362 /* Display the board */
4363 if (!pausing && !appData.noGUI) {
4365 if (appData.premove)
4367 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4368 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4369 ClearPremoveHighlights();
4371 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4372 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4373 DrawPosition(j, boards[currentMove]);
4375 DisplayMove(moveNum - 1);
4376 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4377 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4378 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4379 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4383 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4385 if(bookHit) { // [HGM] book: simulate book reply
4386 static char bookMove[MSG_SIZ]; // a bit generous?
4388 programStats.nodes = programStats.depth = programStats.time =
4389 programStats.score = programStats.got_only_move = 0;
4390 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4392 strcpy(bookMove, "move ");
4393 strcat(bookMove, bookHit);
4394 HandleMachineMove(bookMove, &first);
4403 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4404 ics_getting_history = H_REQUESTED;
4405 sprintf(buf, "%smoves %d\n", ics_prefix, ics_gamenum);
4411 AnalysisPeriodicEvent(force)
4414 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4415 && !force) || !appData.periodicUpdates)
4418 /* Send . command to Crafty to collect stats */
4419 SendToProgram(".\n", &first);
4421 /* Don't send another until we get a response (this makes
4422 us stop sending to old Crafty's which don't understand
4423 the "." command (sending illegal cmds resets node count & time,
4424 which looks bad)) */
4425 programStats.ok_to_send = 0;
4428 void ics_update_width(new_width)
4431 ics_printf("set width %d\n", new_width);
4435 SendMoveToProgram(moveNum, cps)
4437 ChessProgramState *cps;
4441 if (cps->useUsermove) {
4442 SendToProgram("usermove ", cps);
4446 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4447 int len = space - parseList[moveNum];
4448 memcpy(buf, parseList[moveNum], len);
4450 buf[len] = NULLCHAR;
4452 sprintf(buf, "%s\n", parseList[moveNum]);
4454 SendToProgram(buf, cps);
4456 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4457 AlphaRank(moveList[moveNum], 4);
4458 SendToProgram(moveList[moveNum], cps);
4459 AlphaRank(moveList[moveNum], 4); // and back
4461 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4462 * the engine. It would be nice to have a better way to identify castle
4464 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4465 && cps->useOOCastle) {
4466 int fromX = moveList[moveNum][0] - AAA;
4467 int fromY = moveList[moveNum][1] - ONE;
4468 int toX = moveList[moveNum][2] - AAA;
4469 int toY = moveList[moveNum][3] - ONE;
4470 if((boards[moveNum][fromY][fromX] == WhiteKing
4471 && boards[moveNum][toY][toX] == WhiteRook)
4472 || (boards[moveNum][fromY][fromX] == BlackKing
4473 && boards[moveNum][toY][toX] == BlackRook)) {
4474 if(toX > fromX) SendToProgram("O-O\n", cps);
4475 else SendToProgram("O-O-O\n", cps);
4477 else SendToProgram(moveList[moveNum], cps);
4479 else SendToProgram(moveList[moveNum], cps);
4480 /* End of additions by Tord */
4483 /* [HGM] setting up the opening has brought engine in force mode! */
4484 /* Send 'go' if we are in a mode where machine should play. */
4485 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4486 (gameMode == TwoMachinesPlay ||
4488 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4490 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4491 SendToProgram("go\n", cps);
4492 if (appData.debugMode) {
4493 fprintf(debugFP, "(extra)\n");
4496 setboardSpoiledMachineBlack = 0;
4500 SendMoveToICS(moveType, fromX, fromY, toX, toY)
4502 int fromX, fromY, toX, toY;
4504 char user_move[MSG_SIZ];
4508 sprintf(user_move, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4509 (int)moveType, fromX, fromY, toX, toY);
4510 DisplayError(user_move + strlen("say "), 0);
4512 case WhiteKingSideCastle:
4513 case BlackKingSideCastle:
4514 case WhiteQueenSideCastleWild:
4515 case BlackQueenSideCastleWild:
4517 case WhiteHSideCastleFR:
4518 case BlackHSideCastleFR:
4520 sprintf(user_move, "o-o\n");
4522 case WhiteQueenSideCastle:
4523 case BlackQueenSideCastle:
4524 case WhiteKingSideCastleWild:
4525 case BlackKingSideCastleWild:
4527 case WhiteASideCastleFR:
4528 case BlackASideCastleFR:
4530 sprintf(user_move, "o-o-o\n");
4532 case WhitePromotionQueen:
4533 case BlackPromotionQueen:
4534 case WhitePromotionRook:
4535 case BlackPromotionRook:
4536 case WhitePromotionBishop:
4537 case BlackPromotionBishop:
4538 case WhitePromotionKnight:
4539 case BlackPromotionKnight:
4540 case WhitePromotionKing:
4541 case BlackPromotionKing:
4542 case WhitePromotionChancellor:
4543 case BlackPromotionChancellor:
4544 case WhitePromotionArchbishop:
4545 case BlackPromotionArchbishop:
4546 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4547 sprintf(user_move, "%c%c%c%c=%c\n",
4548 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4549 PieceToChar(WhiteFerz));
4550 else if(gameInfo.variant == VariantGreat)
4551 sprintf(user_move, "%c%c%c%c=%c\n",
4552 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4553 PieceToChar(WhiteMan));
4555 sprintf(user_move, "%c%c%c%c=%c\n",
4556 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4557 PieceToChar(PromoPiece(moveType)));
4561 sprintf(user_move, "%c@%c%c\n",
4562 ToUpper(PieceToChar((ChessSquare) fromX)),
4563 AAA + toX, ONE + toY);
4566 case WhiteCapturesEnPassant:
4567 case BlackCapturesEnPassant:
4568 case IllegalMove: /* could be a variant we don't quite understand */
4569 sprintf(user_move, "%c%c%c%c\n",
4570 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4573 SendToICS(user_move);
4574 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
4575 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
4580 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
4581 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
4582 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
4583 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
4584 DisplayError("You cannot do this while you are playing or observing", 0);
4587 if(gameMode != IcsExamining) { // is this ever not the case?
4588 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
4590 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
4591 sprintf(command, "match %s", ics_handle);
4592 } else { // on FICS we must first go to general examine mode
4593 strcpy(command, "examine\nbsetup"); // and specify variant within it with bsetups
4595 if(gameInfo.variant != VariantNormal) {
4596 // try figure out wild number, as xboard names are not always valid on ICS
4597 for(i=1; i<=36; i++) {
4598 sprintf(buf, "wild/%d", i);
4599 if(StringToVariant(buf) == gameInfo.variant) break;
4601 if(i<=36 && ics_type == ICS_ICC) sprintf(buf, "%s w%d\n", command, i);
4602 else if(i == 22) sprintf(buf, "%s fr\n", command);
4603 else sprintf(buf, "%s %s\n", command, VariantName(gameInfo.variant));
4604 } else sprintf(buf, "%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
4605 SendToICS(ics_prefix);
4607 if(startedFromSetupPosition || backwardMostMove != 0) {
4608 fen = PositionToFEN(backwardMostMove, NULL);
4609 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
4610 sprintf(buf, "loadfen %s\n", fen);
4612 } else { // FICS: everything has to set by separate bsetup commands
4613 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
4614 sprintf(buf, "bsetup fen %s\n", fen);
4616 if(!WhiteOnMove(backwardMostMove)) {
4617 SendToICS("bsetup tomove black\n");
4619 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
4620 sprintf(buf, "bsetup wcastle %s\n", castlingStrings[i]);
4622 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
4623 sprintf(buf, "bsetup bcastle %s\n", castlingStrings[i]);
4625 i = boards[backwardMostMove][EP_STATUS];
4626 if(i >= 0) { // set e.p.
4627 sprintf(buf, "bsetup eppos %c\n", i+AAA);
4633 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
4634 SendToICS("bsetup done\n"); // switch to normal examining.
4636 for(i = backwardMostMove; i<last; i++) {
4638 sprintf(buf, "%s\n", parseList[i]);
4641 SendToICS(ics_prefix);
4642 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
4646 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
4651 if (rf == DROP_RANK) {
4652 sprintf(move, "%c@%c%c\n",
4653 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
4655 if (promoChar == 'x' || promoChar == NULLCHAR) {
4656 sprintf(move, "%c%c%c%c\n",
4657 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
4659 sprintf(move, "%c%c%c%c%c\n",
4660 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
4666 ProcessICSInitScript(f)
4671 while (fgets(buf, MSG_SIZ, f)) {
4672 SendToICSDelayed(buf,(long)appData.msLoginDelay);
4679 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
4681 AlphaRank(char *move, int n)
4683 // char *p = move, c; int x, y;
4685 if (appData.debugMode) {
4686 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
4690 move[2]>='0' && move[2]<='9' &&
4691 move[3]>='a' && move[3]<='x' ) {
4693 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4694 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4696 if(move[0]>='0' && move[0]<='9' &&
4697 move[1]>='a' && move[1]<='x' &&
4698 move[2]>='0' && move[2]<='9' &&
4699 move[3]>='a' && move[3]<='x' ) {
4700 /* input move, Shogi -> normal */
4701 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
4702 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
4703 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4704 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4707 move[3]>='0' && move[3]<='9' &&
4708 move[2]>='a' && move[2]<='x' ) {
4710 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4711 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4714 move[0]>='a' && move[0]<='x' &&
4715 move[3]>='0' && move[3]<='9' &&
4716 move[2]>='a' && move[2]<='x' ) {
4717 /* output move, normal -> Shogi */
4718 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
4719 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
4720 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4721 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4722 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
4724 if (appData.debugMode) {
4725 fprintf(debugFP, " out = '%s'\n", move);
4729 char yy_textstr[8000];
4731 /* Parser for moves from gnuchess, ICS, or user typein box */
4733 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
4736 ChessMove *moveType;
4737 int *fromX, *fromY, *toX, *toY;
4740 if (appData.debugMode) {
4741 fprintf(debugFP, "move to parse: %s\n", move);
4743 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
4745 switch (*moveType) {
4746 case WhitePromotionChancellor:
4747 case BlackPromotionChancellor:
4748 case WhitePromotionArchbishop:
4749 case BlackPromotionArchbishop:
4750 case WhitePromotionQueen:
4751 case BlackPromotionQueen:
4752 case WhitePromotionRook:
4753 case BlackPromotionRook:
4754 case WhitePromotionBishop:
4755 case BlackPromotionBishop:
4756 case WhitePromotionKnight:
4757 case BlackPromotionKnight:
4758 case WhitePromotionKing:
4759 case BlackPromotionKing:
4761 case WhiteCapturesEnPassant:
4762 case BlackCapturesEnPassant:
4763 case WhiteKingSideCastle:
4764 case WhiteQueenSideCastle:
4765 case BlackKingSideCastle:
4766 case BlackQueenSideCastle:
4767 case WhiteKingSideCastleWild:
4768 case WhiteQueenSideCastleWild:
4769 case BlackKingSideCastleWild:
4770 case BlackQueenSideCastleWild:
4771 /* Code added by Tord: */
4772 case WhiteHSideCastleFR:
4773 case WhiteASideCastleFR:
4774 case BlackHSideCastleFR:
4775 case BlackASideCastleFR:
4776 /* End of code added by Tord */
4777 case IllegalMove: /* bug or odd chess variant */
4778 *fromX = currentMoveString[0] - AAA;
4779 *fromY = currentMoveString[1] - ONE;
4780 *toX = currentMoveString[2] - AAA;
4781 *toY = currentMoveString[3] - ONE;
4782 *promoChar = currentMoveString[4];
4783 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
4784 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
4785 if (appData.debugMode) {
4786 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
4788 *fromX = *fromY = *toX = *toY = 0;
4791 if (appData.testLegality) {
4792 return (*moveType != IllegalMove);
4794 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
4795 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
4800 *fromX = *moveType == WhiteDrop ?
4801 (int) CharToPiece(ToUpper(currentMoveString[0])) :
4802 (int) CharToPiece(ToLower(currentMoveString[0]));
4804 *toX = currentMoveString[2] - AAA;
4805 *toY = currentMoveString[3] - ONE;
4806 *promoChar = NULLCHAR;
4810 case ImpossibleMove:
4811 case (ChessMove) 0: /* end of file */
4820 if (appData.debugMode) {
4821 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
4824 *fromX = *fromY = *toX = *toY = 0;
4825 *promoChar = NULLCHAR;
4832 ParsePV(char *pv, Boolean storeComments)
4833 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
4834 int fromX, fromY, toX, toY; char promoChar;
4839 endPV = forwardMostMove;
4841 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
4842 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
4843 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
4844 if(appData.debugMode){
4845 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);
4847 if(!valid && nr == 0 &&
4848 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
4849 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
4850 // Hande case where played move is different from leading PV move
4851 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
4852 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
4853 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
4854 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
4855 endPV += 2; // if position different, keep this
4856 moveList[endPV-1][0] = fromX + AAA;
4857 moveList[endPV-1][1] = fromY + ONE;
4858 moveList[endPV-1][2] = toX + AAA;
4859 moveList[endPV-1][3] = toY + ONE;
4860 parseList[endPV-1][0] = NULLCHAR;
4861 strcpy(moveList[endPV-2], "_0_0"); // suppress premove highlight on takeback move
4864 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
4865 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
4866 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
4867 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
4868 valid++; // allow comments in PV
4872 if(endPV+1 > framePtr) break; // no space, truncate
4875 CopyBoard(boards[endPV], boards[endPV-1]);
4876 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
4877 moveList[endPV-1][0] = fromX + AAA;
4878 moveList[endPV-1][1] = fromY + ONE;
4879 moveList[endPV-1][2] = toX + AAA;
4880 moveList[endPV-1][3] = toY + ONE;
4882 CoordsToAlgebraic(boards[endPV - 1],
4883 PosFlags(endPV - 1),
4884 fromY, fromX, toY, toX, promoChar,
4885 parseList[endPV - 1]);
4887 parseList[endPV-1][0] = NULLCHAR;
4889 currentMove = endPV;
4890 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
4891 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
4892 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
4893 DrawPosition(TRUE, boards[currentMove]);
4896 static int lastX, lastY;
4899 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
4904 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
4905 lastX = x; lastY = y;
4906 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
4908 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
4909 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
4911 do{ while(buf[index] && buf[index] != '\n') index++;
4912 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
4914 ParsePV(buf+startPV, FALSE);
4915 *start = startPV; *end = index-1;
4920 LoadPV(int x, int y)
4921 { // called on right mouse click to load PV
4922 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
4923 lastX = x; lastY = y;
4924 ParsePV(lastPV[which], FALSE); // load the PV of the thinking engine in the boards array.
4931 if(endPV < 0) return;
4933 currentMove = forwardMostMove;
4934 ClearPremoveHighlights();
4935 DrawPosition(TRUE, boards[currentMove]);
4939 MovePV(int x, int y, int h)
4940 { // step through PV based on mouse coordinates (called on mouse move)
4941 int margin = h>>3, step = 0;
4943 if(endPV < 0) return;
4944 // we must somehow check if right button is still down (might be released off board!)
4945 if(y < margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = 1; else
4946 if(y > h - margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = -1; else
4947 if( y > lastY + 6 ) step = -1; else if(y < lastY - 6) step = 1;
4949 lastX = x; lastY = y;
4950 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
4951 currentMove += step;
4952 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
4953 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
4954 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
4955 DrawPosition(FALSE, boards[currentMove]);
4959 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
4960 // All positions will have equal probability, but the current method will not provide a unique
4961 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
4967 int piecesLeft[(int)BlackPawn];
4968 int seed, nrOfShuffles;
4970 void GetPositionNumber()
4971 { // sets global variable seed
4974 seed = appData.defaultFrcPosition;
4975 if(seed < 0) { // randomize based on time for negative FRC position numbers
4976 for(i=0; i<50; i++) seed += random();
4977 seed = random() ^ random() >> 8 ^ random() << 8;
4978 if(seed<0) seed = -seed;
4982 int put(Board board, int pieceType, int rank, int n, int shade)
4983 // put the piece on the (n-1)-th empty squares of the given shade
4987 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
4988 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
4989 board[rank][i] = (ChessSquare) pieceType;
4990 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
4992 piecesLeft[pieceType]--;
5000 void AddOnePiece(Board board, int pieceType, int rank, int shade)
5001 // calculate where the next piece goes, (any empty square), and put it there
5005 i = seed % squaresLeft[shade];
5006 nrOfShuffles *= squaresLeft[shade];
5007 seed /= squaresLeft[shade];
5008 put(board, pieceType, rank, i, shade);
5011 void AddTwoPieces(Board board, int pieceType, int rank)
5012 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5014 int i, n=squaresLeft[ANY], j=n-1, k;
5016 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5017 i = seed % k; // pick one
5020 while(i >= j) i -= j--;
5021 j = n - 1 - j; i += j;
5022 put(board, pieceType, rank, j, ANY);
5023 put(board, pieceType, rank, i, ANY);
5026 void SetUpShuffle(Board board, int number)
5030 GetPositionNumber(); nrOfShuffles = 1;
5032 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5033 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5034 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5036 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5038 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5039 p = (int) board[0][i];
5040 if(p < (int) BlackPawn) piecesLeft[p] ++;
5041 board[0][i] = EmptySquare;
5044 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5045 // shuffles restricted to allow normal castling put KRR first
5046 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5047 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5048 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5049 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5050 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5051 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5052 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5053 put(board, WhiteRook, 0, 0, ANY);
5054 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5057 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5058 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5059 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5060 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5061 while(piecesLeft[p] >= 2) {
5062 AddOnePiece(board, p, 0, LITE);
5063 AddOnePiece(board, p, 0, DARK);
5065 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5068 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5069 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5070 // but we leave King and Rooks for last, to possibly obey FRC restriction
5071 if(p == (int)WhiteRook) continue;
5072 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5073 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5076 // now everything is placed, except perhaps King (Unicorn) and Rooks
5078 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5079 // Last King gets castling rights
5080 while(piecesLeft[(int)WhiteUnicorn]) {
5081 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5082 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5085 while(piecesLeft[(int)WhiteKing]) {
5086 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5087 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5092 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5093 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5096 // Only Rooks can be left; simply place them all
5097 while(piecesLeft[(int)WhiteRook]) {
5098 i = put(board, WhiteRook, 0, 0, ANY);
5099 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5102 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5104 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5107 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5108 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5111 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5114 int SetCharTable( char *table, const char * map )
5115 /* [HGM] moved here from winboard.c because of its general usefulness */
5116 /* Basically a safe strcpy that uses the last character as King */
5118 int result = FALSE; int NrPieces;
5120 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5121 && NrPieces >= 12 && !(NrPieces&1)) {
5122 int i; /* [HGM] Accept even length from 12 to 34 */
5124 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5125 for( i=0; i<NrPieces/2-1; i++ ) {
5127 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5129 table[(int) WhiteKing] = map[NrPieces/2-1];
5130 table[(int) BlackKing] = map[NrPieces-1];
5138 void Prelude(Board board)
5139 { // [HGM] superchess: random selection of exo-pieces
5140 int i, j, k; ChessSquare p;
5141 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5143 GetPositionNumber(); // use FRC position number
5145 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5146 SetCharTable(pieceToChar, appData.pieceToCharTable);
5147 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5148 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5151 j = seed%4; seed /= 4;
5152 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5153 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5154 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5155 j = seed%3 + (seed%3 >= j); seed /= 3;
5156 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5157 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5158 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5159 j = seed%3; seed /= 3;
5160 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5161 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5162 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5163 j = seed%2 + (seed%2 >= j); seed /= 2;
5164 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5165 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5166 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5167 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5168 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5169 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5170 put(board, exoPieces[0], 0, 0, ANY);
5171 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5175 InitPosition(redraw)
5178 ChessSquare (* pieces)[BOARD_FILES];
5179 int i, j, pawnRow, overrule,
5180 oldx = gameInfo.boardWidth,
5181 oldy = gameInfo.boardHeight,
5182 oldh = gameInfo.holdingsWidth,
5183 oldv = gameInfo.variant;
5185 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5187 /* [AS] Initialize pv info list [HGM] and game status */
5189 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5190 pvInfoList[i].depth = 0;
5191 boards[i][EP_STATUS] = EP_NONE;
5192 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5195 initialRulePlies = 0; /* 50-move counter start */
5197 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5198 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5202 /* [HGM] logic here is completely changed. In stead of full positions */
5203 /* the initialized data only consist of the two backranks. The switch */
5204 /* selects which one we will use, which is than copied to the Board */
5205 /* initialPosition, which for the rest is initialized by Pawns and */
5206 /* empty squares. This initial position is then copied to boards[0], */
5207 /* possibly after shuffling, so that it remains available. */
5209 gameInfo.holdingsWidth = 0; /* default board sizes */
5210 gameInfo.boardWidth = 8;
5211 gameInfo.boardHeight = 8;
5212 gameInfo.holdingsSize = 0;
5213 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5214 for(i=0; i<BOARD_FILES-2; i++)
5215 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5216 initialPosition[EP_STATUS] = EP_NONE;
5217 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5219 switch (gameInfo.variant) {
5220 case VariantFischeRandom:
5221 shuffleOpenings = TRUE;
5225 case VariantShatranj:
5226 pieces = ShatranjArray;
5227 nrCastlingRights = 0;
5228 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5231 pieces = makrukArray;
5232 nrCastlingRights = 0;
5233 startedFromSetupPosition = TRUE;
5234 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5236 case VariantTwoKings:
5237 pieces = twoKingsArray;
5239 case VariantCapaRandom:
5240 shuffleOpenings = TRUE;
5241 case VariantCapablanca:
5242 pieces = CapablancaArray;
5243 gameInfo.boardWidth = 10;
5244 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5247 pieces = GothicArray;
5248 gameInfo.boardWidth = 10;
5249 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5252 pieces = JanusArray;
5253 gameInfo.boardWidth = 10;
5254 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5255 nrCastlingRights = 6;
5256 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5257 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5258 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5259 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5260 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5261 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5264 pieces = FalconArray;
5265 gameInfo.boardWidth = 10;
5266 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5268 case VariantXiangqi:
5269 pieces = XiangqiArray;
5270 gameInfo.boardWidth = 9;
5271 gameInfo.boardHeight = 10;
5272 nrCastlingRights = 0;
5273 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5276 pieces = ShogiArray;
5277 gameInfo.boardWidth = 9;
5278 gameInfo.boardHeight = 9;
5279 gameInfo.holdingsSize = 7;
5280 nrCastlingRights = 0;
5281 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5283 case VariantCourier:
5284 pieces = CourierArray;
5285 gameInfo.boardWidth = 12;
5286 nrCastlingRights = 0;
5287 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5289 case VariantKnightmate:
5290 pieces = KnightmateArray;
5291 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5294 pieces = fairyArray;
5295 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5298 pieces = GreatArray;
5299 gameInfo.boardWidth = 10;
5300 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5301 gameInfo.holdingsSize = 8;
5305 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5306 gameInfo.holdingsSize = 8;
5307 startedFromSetupPosition = TRUE;
5309 case VariantCrazyhouse:
5310 case VariantBughouse:
5312 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5313 gameInfo.holdingsSize = 5;
5315 case VariantWildCastle:
5317 /* !!?shuffle with kings guaranteed to be on d or e file */
5318 shuffleOpenings = 1;
5320 case VariantNoCastle:
5322 nrCastlingRights = 0;
5323 /* !!?unconstrained back-rank shuffle */
5324 shuffleOpenings = 1;
5329 if(appData.NrFiles >= 0) {
5330 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5331 gameInfo.boardWidth = appData.NrFiles;
5333 if(appData.NrRanks >= 0) {
5334 gameInfo.boardHeight = appData.NrRanks;
5336 if(appData.holdingsSize >= 0) {
5337 i = appData.holdingsSize;
5338 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5339 gameInfo.holdingsSize = i;
5341 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5342 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5343 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5345 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5346 if(pawnRow < 1) pawnRow = 1;
5347 if(gameInfo.variant == VariantMakruk) pawnRow = 2;
5349 /* User pieceToChar list overrules defaults */
5350 if(appData.pieceToCharTable != NULL)
5351 SetCharTable(pieceToChar, appData.pieceToCharTable);
5353 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5355 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5356 s = (ChessSquare) 0; /* account holding counts in guard band */
5357 for( i=0; i<BOARD_HEIGHT; i++ )
5358 initialPosition[i][j] = s;
5360 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5361 initialPosition[0][j] = pieces[0][j-gameInfo.holdingsWidth];
5362 initialPosition[pawnRow][j] = WhitePawn;
5363 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = BlackPawn;
5364 if(gameInfo.variant == VariantXiangqi) {
5366 initialPosition[pawnRow][j] =
5367 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5368 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5369 initialPosition[2][j] = WhiteCannon;
5370 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5374 initialPosition[BOARD_HEIGHT-1][j] = pieces[1][j-gameInfo.holdingsWidth];
5376 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5379 initialPosition[1][j] = WhiteBishop;
5380 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5382 initialPosition[1][j] = WhiteRook;
5383 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5386 if( nrCastlingRights == -1) {
5387 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5388 /* This sets default castling rights from none to normal corners */
5389 /* Variants with other castling rights must set them themselves above */
5390 nrCastlingRights = 6;
5392 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5393 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5394 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5395 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5396 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5397 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5400 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5401 if(gameInfo.variant == VariantGreat) { // promotion commoners
5402 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5403 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5404 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5405 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5407 if (appData.debugMode) {
5408 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5410 if(shuffleOpenings) {
5411 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5412 startedFromSetupPosition = TRUE;
5414 if(startedFromPositionFile) {
5415 /* [HGM] loadPos: use PositionFile for every new game */
5416 CopyBoard(initialPosition, filePosition);
5417 for(i=0; i<nrCastlingRights; i++)
5418 initialRights[i] = filePosition[CASTLING][i];
5419 startedFromSetupPosition = TRUE;
5422 CopyBoard(boards[0], initialPosition);
5424 if(oldx != gameInfo.boardWidth ||
5425 oldy != gameInfo.boardHeight ||
5426 oldh != gameInfo.holdingsWidth
5428 || oldv == VariantGothic || // For licensing popups
5429 gameInfo.variant == VariantGothic
5432 || oldv == VariantFalcon ||
5433 gameInfo.variant == VariantFalcon
5436 InitDrawingSizes(-2 ,0);
5439 DrawPosition(TRUE, boards[currentMove]);
5443 SendBoard(cps, moveNum)
5444 ChessProgramState *cps;
5447 char message[MSG_SIZ];
5449 if (cps->useSetboard) {
5450 char* fen = PositionToFEN(moveNum, cps->fenOverride);
5451 sprintf(message, "setboard %s\n", fen);
5452 SendToProgram(message, cps);
5458 /* Kludge to set black to move, avoiding the troublesome and now
5459 * deprecated "black" command.
5461 if (!WhiteOnMove(moveNum)) SendToProgram("a2a3\n", cps);
5463 SendToProgram("edit\n", cps);
5464 SendToProgram("#\n", cps);
5465 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5466 bp = &boards[moveNum][i][BOARD_LEFT];
5467 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5468 if ((int) *bp < (int) BlackPawn) {
5469 sprintf(message, "%c%c%c\n", PieceToChar(*bp),
5471 if(message[0] == '+' || message[0] == '~') {
5472 sprintf(message, "%c%c%c+\n",
5473 PieceToChar((ChessSquare)(DEMOTED *bp)),
5476 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5477 message[1] = BOARD_RGHT - 1 - j + '1';
5478 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5480 SendToProgram(message, cps);
5485 SendToProgram("c\n", cps);
5486 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5487 bp = &boards[moveNum][i][BOARD_LEFT];
5488 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5489 if (((int) *bp != (int) EmptySquare)
5490 && ((int) *bp >= (int) BlackPawn)) {
5491 sprintf(message, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
5493 if(message[0] == '+' || message[0] == '~') {
5494 sprintf(message, "%c%c%c+\n",
5495 PieceToChar((ChessSquare)(DEMOTED *bp)),
5498 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5499 message[1] = BOARD_RGHT - 1 - j + '1';
5500 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5502 SendToProgram(message, cps);
5507 SendToProgram(".\n", cps);
5509 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
5512 static int autoQueen; // [HGM] oneclick
5515 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice)
5517 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
5518 /* [HGM] add Shogi promotions */
5519 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
5524 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
5525 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
5527 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
5528 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
5531 piece = boards[currentMove][fromY][fromX];
5532 if(gameInfo.variant == VariantShogi) {
5533 promotionZoneSize = 3;
5534 highestPromotingPiece = (int)WhiteFerz;
5535 } else if(gameInfo.variant == VariantMakruk) {
5536 promotionZoneSize = 3;
5539 // next weed out all moves that do not touch the promotion zone at all
5540 if((int)piece >= BlackPawn) {
5541 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
5543 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
5545 if( toY < BOARD_HEIGHT - promotionZoneSize &&
5546 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
5549 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
5551 // weed out mandatory Shogi promotions
5552 if(gameInfo.variant == VariantShogi) {
5553 if(piece >= BlackPawn) {
5554 if(toY == 0 && piece == BlackPawn ||
5555 toY == 0 && piece == BlackQueen ||
5556 toY <= 1 && piece == BlackKnight) {
5561 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
5562 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
5563 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
5570 // weed out obviously illegal Pawn moves
5571 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
5572 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
5573 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
5574 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
5575 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
5576 // note we are not allowed to test for valid (non-)capture, due to premove
5579 // we either have a choice what to promote to, or (in Shogi) whether to promote
5580 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
5581 *promoChoice = PieceToChar(BlackFerz); // no choice
5584 if(autoQueen) { // predetermined
5585 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantLosers)
5586 *promoChoice = PieceToChar(BlackKing); // in Suicide Q is the last thing we want
5587 else *promoChoice = PieceToChar(BlackQueen);
5591 // suppress promotion popup on illegal moves that are not premoves
5592 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
5593 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
5594 if(appData.testLegality && !premove) {
5595 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5596 fromY, fromX, toY, toX, NULLCHAR);
5597 if(moveType != WhitePromotionQueen && moveType != BlackPromotionQueen &&
5598 moveType != WhitePromotionKnight && moveType != BlackPromotionKnight)
5606 InPalace(row, column)
5608 { /* [HGM] for Xiangqi */
5609 if( (row < 3 || row > BOARD_HEIGHT-4) &&
5610 column < (BOARD_WIDTH + 4)/2 &&
5611 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
5616 PieceForSquare (x, y)
5620 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
5623 return boards[currentMove][y][x];
5627 OKToStartUserMove(x, y)
5630 ChessSquare from_piece;
5633 if (matchMode) return FALSE;
5634 if (gameMode == EditPosition) return TRUE;
5636 if (x >= 0 && y >= 0)
5637 from_piece = boards[currentMove][y][x];
5639 from_piece = EmptySquare;
5641 if (from_piece == EmptySquare) return FALSE;
5643 white_piece = (int)from_piece >= (int)WhitePawn &&
5644 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
5647 case PlayFromGameFile:
5649 case TwoMachinesPlay:
5657 case MachinePlaysWhite:
5658 case IcsPlayingBlack:
5659 if (appData.zippyPlay) return FALSE;
5661 DisplayMoveError(_("You are playing Black"));
5666 case MachinePlaysBlack:
5667 case IcsPlayingWhite:
5668 if (appData.zippyPlay) return FALSE;
5670 DisplayMoveError(_("You are playing White"));
5676 if (!white_piece && WhiteOnMove(currentMove)) {
5677 DisplayMoveError(_("It is White's turn"));
5680 if (white_piece && !WhiteOnMove(currentMove)) {
5681 DisplayMoveError(_("It is Black's turn"));
5684 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
5685 /* Editing correspondence game history */
5686 /* Could disallow this or prompt for confirmation */
5691 case BeginningOfGame:
5692 if (appData.icsActive) return FALSE;
5693 if (!appData.noChessProgram) {
5695 DisplayMoveError(_("You are playing White"));
5702 if (!white_piece && WhiteOnMove(currentMove)) {
5703 DisplayMoveError(_("It is White's turn"));
5706 if (white_piece && !WhiteOnMove(currentMove)) {
5707 DisplayMoveError(_("It is Black's turn"));
5716 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
5717 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
5718 && gameMode != AnalyzeFile && gameMode != Training) {
5719 DisplayMoveError(_("Displayed position is not current"));
5726 OnlyMove(int *x, int *y, Boolean captures) {
5727 DisambiguateClosure cl;
5728 if (appData.zippyPlay) return FALSE;
5730 case MachinePlaysBlack:
5731 case IcsPlayingWhite:
5732 case BeginningOfGame:
5733 if(!WhiteOnMove(currentMove)) return FALSE;
5735 case MachinePlaysWhite:
5736 case IcsPlayingBlack:
5737 if(WhiteOnMove(currentMove)) return FALSE;
5742 cl.pieceIn = EmptySquare;
5747 cl.promoCharIn = NULLCHAR;
5748 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5749 if( cl.kind == NormalMove ||
5750 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5751 cl.kind == WhitePromotionQueen || cl.kind == BlackPromotionQueen ||
5752 cl.kind == WhitePromotionKnight || cl.kind == BlackPromotionKnight ||
5753 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5760 if(cl.kind != ImpossibleMove) return FALSE;
5761 cl.pieceIn = EmptySquare;
5766 cl.promoCharIn = NULLCHAR;
5767 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5768 if( cl.kind == NormalMove ||
5769 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5770 cl.kind == WhitePromotionQueen || cl.kind == BlackPromotionQueen ||
5771 cl.kind == WhitePromotionKnight || cl.kind == BlackPromotionKnight ||
5772 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5777 autoQueen = TRUE; // act as if autoQueen on when we click to-square
5783 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
5784 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
5785 int lastLoadGameUseList = FALSE;
5786 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
5787 ChessMove lastLoadGameStart = (ChessMove) 0;
5790 UserMoveTest(fromX, fromY, toX, toY, promoChar, captureOwn)
5791 int fromX, fromY, toX, toY;
5796 ChessSquare pdown, pup;
5798 /* Check if the user is playing in turn. This is complicated because we
5799 let the user "pick up" a piece before it is his turn. So the piece he
5800 tried to pick up may have been captured by the time he puts it down!
5801 Therefore we use the color the user is supposed to be playing in this
5802 test, not the color of the piece that is currently on the starting
5803 square---except in EditGame mode, where the user is playing both
5804 sides; fortunately there the capture race can't happen. (It can
5805 now happen in IcsExamining mode, but that's just too bad. The user
5806 will get a somewhat confusing message in that case.)
5810 case PlayFromGameFile:
5812 case TwoMachinesPlay:
5816 /* We switched into a game mode where moves are not accepted,
5817 perhaps while the mouse button was down. */
5818 return ImpossibleMove;
5820 case MachinePlaysWhite:
5821 /* User is moving for Black */
5822 if (WhiteOnMove(currentMove)) {
5823 DisplayMoveError(_("It is White's turn"));
5824 return ImpossibleMove;
5828 case MachinePlaysBlack:
5829 /* User is moving for White */
5830 if (!WhiteOnMove(currentMove)) {
5831 DisplayMoveError(_("It is Black's turn"));
5832 return ImpossibleMove;
5838 case BeginningOfGame:
5841 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
5842 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
5843 /* User is moving for Black */
5844 if (WhiteOnMove(currentMove)) {
5845 DisplayMoveError(_("It is White's turn"));
5846 return ImpossibleMove;
5849 /* User is moving for White */
5850 if (!WhiteOnMove(currentMove)) {
5851 DisplayMoveError(_("It is Black's turn"));
5852 return ImpossibleMove;
5857 case IcsPlayingBlack:
5858 /* User is moving for Black */
5859 if (WhiteOnMove(currentMove)) {
5860 if (!appData.premove) {
5861 DisplayMoveError(_("It is White's turn"));
5862 } else if (toX >= 0 && toY >= 0) {
5865 premoveFromX = fromX;
5866 premoveFromY = fromY;
5867 premovePromoChar = promoChar;
5869 if (appData.debugMode)
5870 fprintf(debugFP, "Got premove: fromX %d,"
5871 "fromY %d, toX %d, toY %d\n",
5872 fromX, fromY, toX, toY);
5874 return ImpossibleMove;
5878 case IcsPlayingWhite:
5879 /* User is moving for White */
5880 if (!WhiteOnMove(currentMove)) {
5881 if (!appData.premove) {
5882 DisplayMoveError(_("It is Black's turn"));
5883 } else if (toX >= 0 && toY >= 0) {
5886 premoveFromX = fromX;
5887 premoveFromY = fromY;
5888 premovePromoChar = promoChar;
5890 if (appData.debugMode)
5891 fprintf(debugFP, "Got premove: fromX %d,"
5892 "fromY %d, toX %d, toY %d\n",
5893 fromX, fromY, toX, toY);
5895 return ImpossibleMove;
5903 /* EditPosition, empty square, or different color piece;
5904 click-click move is possible */
5905 if (toX == -2 || toY == -2) {
5906 boards[0][fromY][fromX] = EmptySquare;
5907 return AmbiguousMove;
5908 } else if (toX >= 0 && toY >= 0) {
5909 boards[0][toY][toX] = boards[0][fromY][fromX];
5910 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
5911 if(boards[0][fromY][0] != EmptySquare) {
5912 if(boards[0][fromY][1]) boards[0][fromY][1]--;
5913 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
5916 if(fromX == BOARD_RGHT+1) {
5917 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
5918 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
5919 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
5922 boards[0][fromY][fromX] = EmptySquare;
5923 return AmbiguousMove;
5925 return ImpossibleMove;
5928 if(toX < 0 || toY < 0) return ImpossibleMove;
5929 pdown = boards[currentMove][fromY][fromX];
5930 pup = boards[currentMove][toY][toX];
5932 /* [HGM] If move started in holdings, it means a drop */
5933 if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) {
5934 if( pup != EmptySquare ) return ImpossibleMove;
5935 if(appData.testLegality) {
5936 /* it would be more logical if LegalityTest() also figured out
5937 * which drops are legal. For now we forbid pawns on back rank.
5938 * Shogi is on its own here...
5940 if( (pdown == WhitePawn || pdown == BlackPawn) &&
5941 (toY == 0 || toY == BOARD_HEIGHT -1 ) )
5942 return(ImpossibleMove); /* no pawn drops on 1st/8th */
5944 return WhiteDrop; /* Not needed to specify white or black yet */
5947 /* [HGM] always test for legality, to get promotion info */
5948 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5949 fromY, fromX, toY, toX, promoChar);
5950 /* [HGM] but possibly ignore an IllegalMove result */
5951 if (appData.testLegality) {
5952 if (moveType == IllegalMove || moveType == ImpossibleMove) {
5953 DisplayMoveError(_("Illegal move"));
5954 return ImpossibleMove;
5959 /* [HGM] <popupFix> in stead of calling FinishMove directly, this
5960 function is made into one that returns an OK move type if FinishMove
5961 should be called. This to give the calling driver routine the
5962 opportunity to finish the userMove input with a promotion popup,
5963 without bothering the user with this for invalid or illegal moves */
5965 /* FinishMove(moveType, fromX, fromY, toX, toY, promoChar); */
5968 /* Common tail of UserMoveEvent and DropMenuEvent */
5970 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
5972 int fromX, fromY, toX, toY;
5973 /*char*/int promoChar;
5977 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR) {
5978 // [HGM] superchess: suppress promotions to non-available piece
5979 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
5980 if(WhiteOnMove(currentMove)) {
5981 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
5983 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
5987 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
5988 move type in caller when we know the move is a legal promotion */
5989 if(moveType == NormalMove && promoChar)
5990 moveType = PromoCharToMoveType(WhiteOnMove(currentMove), promoChar);
5992 /* [HGM] convert drag-and-drop piece drops to standard form */
5993 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ){
5994 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
5995 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
5996 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
5997 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
5998 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
5999 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6000 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6004 /* [HGM] <popupFix> The following if has been moved here from
6005 UserMoveEvent(). Because it seemed to belong here (why not allow
6006 piece drops in training games?), and because it can only be
6007 performed after it is known to what we promote. */
6008 if (gameMode == Training) {
6009 /* compare the move played on the board to the next move in the
6010 * game. If they match, display the move and the opponent's response.
6011 * If they don't match, display an error message.
6015 CopyBoard(testBoard, boards[currentMove]);
6016 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6018 if (CompareBoards(testBoard, boards[currentMove+1])) {
6019 ForwardInner(currentMove+1);
6021 /* Autoplay the opponent's response.
6022 * if appData.animate was TRUE when Training mode was entered,
6023 * the response will be animated.
6025 saveAnimate = appData.animate;
6026 appData.animate = animateTraining;
6027 ForwardInner(currentMove+1);
6028 appData.animate = saveAnimate;
6030 /* check for the end of the game */
6031 if (currentMove >= forwardMostMove) {
6032 gameMode = PlayFromGameFile;
6034 SetTrainingModeOff();
6035 DisplayInformation(_("End of game"));
6038 DisplayError(_("Incorrect move"), 0);
6043 /* Ok, now we know that the move is good, so we can kill
6044 the previous line in Analysis Mode */
6045 if ((gameMode == AnalyzeMode || gameMode == EditGame)
6046 && currentMove < forwardMostMove) {
6047 PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6050 /* If we need the chess program but it's dead, restart it */
6051 ResurrectChessProgram();
6053 /* A user move restarts a paused game*/
6057 thinkOutput[0] = NULLCHAR;
6059 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6061 if(Adjudicate(NULL)) return 1; // [HGM] adjudicate: take care of automtic game end
6063 if (gameMode == BeginningOfGame) {
6064 if (appData.noChessProgram) {
6065 gameMode = EditGame;
6069 gameMode = MachinePlaysBlack;
6072 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
6074 if (first.sendName) {
6075 sprintf(buf, "name %s\n", gameInfo.white);
6076 SendToProgram(buf, &first);
6083 /* Relay move to ICS or chess engine */
6084 if (appData.icsActive) {
6085 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6086 gameMode == IcsExamining) {
6087 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6088 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6090 SendMoveToICS(moveType, fromX, fromY, toX, toY);
6092 // also send plain move, in case ICS does not understand atomic claims
6093 SendMoveToICS(moveType, fromX, fromY, toX, toY);
6097 if (first.sendTime && (gameMode == BeginningOfGame ||
6098 gameMode == MachinePlaysWhite ||
6099 gameMode == MachinePlaysBlack)) {
6100 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6102 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6103 // [HGM] book: if program might be playing, let it use book
6104 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6105 first.maybeThinking = TRUE;
6106 } else SendMoveToProgram(forwardMostMove-1, &first);
6107 if (currentMove == cmailOldMove + 1) {
6108 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6112 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6116 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6122 if (WhiteOnMove(currentMove)) {
6123 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6125 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6129 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6134 case MachinePlaysBlack:
6135 case MachinePlaysWhite:
6136 /* disable certain menu options while machine is thinking */
6137 SetMachineThinkingEnables();
6144 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6146 if(bookHit) { // [HGM] book: simulate book reply
6147 static char bookMove[MSG_SIZ]; // a bit generous?
6149 programStats.nodes = programStats.depth = programStats.time =
6150 programStats.score = programStats.got_only_move = 0;
6151 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6153 strcpy(bookMove, "move ");
6154 strcat(bookMove, bookHit);
6155 HandleMachineMove(bookMove, &first);
6161 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
6162 int fromX, fromY, toX, toY;
6165 /* [HGM] This routine was added to allow calling of its two logical
6166 parts from other modules in the old way. Before, UserMoveEvent()
6167 automatically called FinishMove() if the move was OK, and returned
6168 otherwise. I separated the two, in order to make it possible to
6169 slip a promotion popup in between. But that it always needs two
6170 calls, to the first part, (now called UserMoveTest() ), and to
6171 FinishMove if the first part succeeded. Calls that do not need
6172 to do anything in between, can call this routine the old way.
6174 ChessMove moveType = UserMoveTest(fromX, fromY, toX, toY, promoChar, FALSE);
6175 if(appData.debugMode) fprintf(debugFP, "moveType 4 = %d, promochar = %x\n", moveType, promoChar);
6176 if(moveType == AmbiguousMove)
6177 DrawPosition(FALSE, boards[currentMove]);
6178 else if(moveType != ImpossibleMove && moveType != Comment)
6179 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6183 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6190 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6191 Markers *m = (Markers *) closure;
6192 if(rf == fromY && ff == fromX)
6193 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6194 || kind == WhiteCapturesEnPassant
6195 || kind == BlackCapturesEnPassant);
6196 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6200 MarkTargetSquares(int clear)
6203 if(!appData.markers || !appData.highlightDragging ||
6204 !appData.testLegality || gameMode == EditPosition) return;
6206 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6209 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker);
6210 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6211 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6213 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6216 DrawPosition(TRUE, NULL);
6219 void LeftClick(ClickType clickType, int xPix, int yPix)
6222 Boolean saveAnimate;
6223 static int second = 0, promotionChoice = 0;
6224 char promoChoice = NULLCHAR;
6226 if(appData.seekGraph && appData.icsActive && loggedOn &&
6227 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6228 SeekGraphClick(clickType, xPix, yPix, 0);
6232 if (clickType == Press) ErrorPopDown();
6233 MarkTargetSquares(1);
6235 x = EventToSquare(xPix, BOARD_WIDTH);
6236 y = EventToSquare(yPix, BOARD_HEIGHT);
6237 if (!flipView && y >= 0) {
6238 y = BOARD_HEIGHT - 1 - y;
6240 if (flipView && x >= 0) {
6241 x = BOARD_WIDTH - 1 - x;
6244 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6245 if(clickType == Release) return; // ignore upclick of click-click destination
6246 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6247 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6248 if(gameInfo.holdingsWidth &&
6249 (WhiteOnMove(currentMove)
6250 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y > 0
6251 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT-1) ) {
6252 // click in right holdings, for determining promotion piece
6253 ChessSquare p = boards[currentMove][y][x];
6254 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6255 if(p != EmptySquare) {
6256 FinishMove(NormalMove, fromX, fromY, toX, toY, ToLower(PieceToChar(p)));
6261 DrawPosition(FALSE, boards[currentMove]);
6265 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6266 if(clickType == Press
6267 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6268 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6269 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6272 autoQueen = appData.alwaysPromoteToQueen;
6275 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE)) {
6276 if (clickType == Press) {
6278 if (OKToStartUserMove(x, y)) {
6282 MarkTargetSquares(0);
6283 DragPieceBegin(xPix, yPix);
6284 if (appData.highlightDragging) {
6285 SetHighlights(x, y, -1, -1);
6294 if (clickType == Press && gameMode != EditPosition) {
6299 // ignore off-board to clicks
6300 if(y < 0 || x < 0) return;
6302 /* Check if clicking again on the same color piece */
6303 fromP = boards[currentMove][fromY][fromX];
6304 toP = boards[currentMove][y][x];
6305 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom;
6306 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6307 WhitePawn <= toP && toP <= WhiteKing &&
6308 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6309 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6310 (BlackPawn <= fromP && fromP <= BlackKing &&
6311 BlackPawn <= toP && toP <= BlackKing &&
6312 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6313 !(fromP == BlackKing && toP == BlackRook && frc))) {
6314 /* Clicked again on same color piece -- changed his mind */
6315 second = (x == fromX && y == fromY);
6316 if(!second || !OnlyMove(&x, &y, TRUE)) {
6317 if (appData.highlightDragging) {
6318 SetHighlights(x, y, -1, -1);
6322 if (OKToStartUserMove(x, y)) {
6325 MarkTargetSquares(0);
6326 DragPieceBegin(xPix, yPix);
6331 // ignore clicks on holdings
6332 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6335 if (clickType == Release && x == fromX && y == fromY) {
6336 DragPieceEnd(xPix, yPix);
6337 if (appData.animateDragging) {
6338 /* Undo animation damage if any */
6339 DrawPosition(FALSE, NULL);
6342 /* Second up/down in same square; just abort move */
6347 ClearPremoveHighlights();
6349 /* First upclick in same square; start click-click mode */
6350 SetHighlights(x, y, -1, -1);
6355 /* we now have a different from- and (possibly off-board) to-square */
6356 /* Completed move */
6359 saveAnimate = appData.animate;
6360 if (clickType == Press) {
6361 /* Finish clickclick move */
6362 if (appData.animate || appData.highlightLastMove) {
6363 SetHighlights(fromX, fromY, toX, toY);
6368 /* Finish drag move */
6369 if (appData.highlightLastMove) {
6370 SetHighlights(fromX, fromY, toX, toY);
6374 DragPieceEnd(xPix, yPix);
6375 /* Don't animate move and drag both */
6376 appData.animate = FALSE;
6379 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
6380 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
6381 ChessSquare piece = boards[currentMove][fromY][fromX];
6382 if(gameMode == EditPosition && piece != EmptySquare &&
6383 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
6386 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
6387 n = PieceToNumber(piece - (int)BlackPawn);
6388 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
6389 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
6390 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
6392 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
6393 n = PieceToNumber(piece);
6394 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
6395 boards[currentMove][n][BOARD_WIDTH-1] = piece;
6396 boards[currentMove][n][BOARD_WIDTH-2]++;
6398 boards[currentMove][fromY][fromX] = EmptySquare;
6402 DrawPosition(TRUE, boards[currentMove]);
6406 // off-board moves should not be highlighted
6407 if(x < 0 || x < 0) ClearHighlights();
6409 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
6410 SetHighlights(fromX, fromY, toX, toY);
6411 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6412 // [HGM] super: promotion to captured piece selected from holdings
6413 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
6414 promotionChoice = TRUE;
6415 // kludge follows to temporarily execute move on display, without promoting yet
6416 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
6417 boards[currentMove][toY][toX] = p;
6418 DrawPosition(FALSE, boards[currentMove]);
6419 boards[currentMove][fromY][fromX] = p; // take back, but display stays
6420 boards[currentMove][toY][toX] = q;
6421 DisplayMessage("Click in holdings to choose piece", "");
6426 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
6427 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
6428 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
6431 appData.animate = saveAnimate;
6432 if (appData.animate || appData.animateDragging) {
6433 /* Undo animation damage if needed */
6434 DrawPosition(FALSE, NULL);
6438 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
6439 { // front-end-free part taken out of PieceMenuPopup
6440 int whichMenu; int xSqr, ySqr;
6442 if(seekGraphUp) { // [HGM] seekgraph
6443 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
6444 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
6448 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
6449 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
6450 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
6451 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
6452 if(action == Press) {
6453 originalFlip = flipView;
6454 flipView = !flipView; // temporarily flip board to see game from partners perspective
6455 DrawPosition(TRUE, partnerBoard);
6456 DisplayMessage(partnerStatus, "");
6458 } else if(action == Release) {
6459 flipView = originalFlip;
6460 DrawPosition(TRUE, boards[currentMove]);
6466 xSqr = EventToSquare(x, BOARD_WIDTH);
6467 ySqr = EventToSquare(y, BOARD_HEIGHT);
6468 if (action == Release) UnLoadPV(); // [HGM] pv
6469 if (action != Press) return -2; // return code to be ignored
6472 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
\r
6474 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
\r
6475 if (xSqr < 0 || ySqr < 0) return -1;
\r
6476 whichMenu = 0; // edit-position menu
6479 if(!appData.icsEngineAnalyze) return -1;
6480 case IcsPlayingWhite:
6481 case IcsPlayingBlack:
6482 if(!appData.zippyPlay) goto noZip;
6485 case MachinePlaysWhite:
6486 case MachinePlaysBlack:
6487 case TwoMachinesPlay: // [HGM] pv: use for showing PV
6488 if (!appData.dropMenu) {
6490 return 2; // flag front-end to grab mouse events
6492 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
6493 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
6496 if (xSqr < 0 || ySqr < 0) return -1;
6497 if (!appData.dropMenu || appData.testLegality &&
6498 gameInfo.variant != VariantBughouse &&
6499 gameInfo.variant != VariantCrazyhouse) return -1;
6500 whichMenu = 1; // drop menu
6506 if (((*fromX = xSqr) < 0) ||
6507 ((*fromY = ySqr) < 0)) {
6508 *fromX = *fromY = -1;
6512 *fromX = BOARD_WIDTH - 1 - *fromX;
6514 *fromY = BOARD_HEIGHT - 1 - *fromY;
6519 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
6521 // char * hint = lastHint;
6522 FrontEndProgramStats stats;
6524 stats.which = cps == &first ? 0 : 1;
6525 stats.depth = cpstats->depth;
6526 stats.nodes = cpstats->nodes;
6527 stats.score = cpstats->score;
6528 stats.time = cpstats->time;
6529 stats.pv = cpstats->movelist;
6530 stats.hint = lastHint;
6531 stats.an_move_index = 0;
6532 stats.an_move_count = 0;
6534 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
6535 stats.hint = cpstats->move_name;
6536 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
6537 stats.an_move_count = cpstats->nr_moves;
6540 if(stats.pv && stats.pv[0]) strcpy(lastPV[stats.which], stats.pv); // [HGM] pv: remember last PV of each
6542 SetProgramStats( &stats );
6546 Adjudicate(ChessProgramState *cps)
6547 { // [HGM] some adjudications useful with buggy engines
6548 // [HGM] adjudicate: made into separate routine, which now can be called after every move
6549 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
6550 // Actually ending the game is now based on the additional internal condition canAdjudicate.
6551 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
6552 int k, count = 0; static int bare = 1;
6553 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
6554 Boolean canAdjudicate = !appData.icsActive;
6556 // most tests only when we understand the game, i.e. legality-checking on, and (for the time being) no piece drops
6557 if(gameInfo.holdingsSize == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6558 if( appData.testLegality )
6559 { /* [HGM] Some more adjudications for obstinate engines */
6560 int NrWN=0, NrBN=0, NrWB=0, NrBB=0, NrWR=0, NrBR=0,
6561 NrWQ=0, NrBQ=0, NrW=0, NrK=0, bishopsColor = 0,
6562 NrPieces=0, NrPawns=0, PawnAdvance=0, i, j;
6563 static int moveCount = 6;
6565 char *reason = NULL;
6567 /* Count what is on board. */
6568 for(i=0; i<BOARD_HEIGHT; i++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
6569 { ChessSquare p = boards[forwardMostMove][i][j];
6573 { /* count B,N,R and other of each side */
6576 NrK++; break; // [HGM] atomic: count Kings
6580 case WhiteFerz: // [HGM] shatranj: kludge to mke it work in shatranj
6581 bishopsColor |= 1 << ((i^j)&1);
6586 case BlackFerz: // [HGM] shatranj: kludge to mke it work in shatranj
6587 bishopsColor |= 1 << ((i^j)&1);
6602 PawnAdvance += m; NrPawns++;
6604 NrPieces += (p != EmptySquare);
6605 NrW += ((int)p < (int)BlackPawn);
6606 if(gameInfo.variant == VariantXiangqi &&
6607 (p == WhiteFerz || p == WhiteAlfil || p == BlackFerz || p == BlackAlfil)) {
6608 NrPieces--; // [HGM] XQ: do not count purely defensive pieces
6609 NrW -= ((int)p < (int)BlackPawn);
6613 /* Some material-based adjudications that have to be made before stalemate test */
6614 if(gameInfo.variant == VariantAtomic && NrK < 2) {
6615 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
6616 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
6617 if(canAdjudicate && appData.checkMates) {
6619 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6620 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6621 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
6622 "Xboard adjudication: King destroyed", GE_XBOARD );
6627 /* Bare King in Shatranj (loses) or Losers (wins) */
6628 if( NrW == 1 || NrPieces - NrW == 1) {
6629 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
6630 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
6631 if(canAdjudicate && appData.checkMates) {
6633 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
6634 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6635 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6636 "Xboard adjudication: Bare king", GE_XBOARD );
6640 if( gameInfo.variant == VariantShatranj && --bare < 0)
6642 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
6643 if(canAdjudicate && appData.checkMates) {
6644 /* but only adjudicate if adjudication enabled */
6646 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6647 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6648 GameEnds( NrW > 1 ? WhiteWins : NrPieces - NrW > 1 ? BlackWins : GameIsDrawn,
6649 "Xboard adjudication: Bare king", GE_XBOARD );
6656 // don't wait for engine to announce game end if we can judge ourselves
6657 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
6659 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
6660 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
6661 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
6662 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
6665 reason = "Xboard adjudication: 3rd check";
6666 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
6676 reason = "Xboard adjudication: Stalemate";
6677 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
6678 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
6679 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
6680 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
6681 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
6682 boards[forwardMostMove][EP_STATUS] = NrW == NrPieces-NrW ? EP_STALEMATE :
6683 ((NrW < NrPieces-NrW) != WhiteOnMove(forwardMostMove) ?
6684 EP_CHECKMATE : EP_WINS);
6685 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
6686 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
6690 reason = "Xboard adjudication: Checkmate";
6691 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
6695 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
6697 result = GameIsDrawn; break;
6699 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
6701 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
6703 result = (ChessMove) 0;
6705 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
6707 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6708 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6709 GameEnds( result, reason, GE_XBOARD );
6713 /* Next absolutely insufficient mating material. */
6714 if( NrPieces == 2 || gameInfo.variant != VariantXiangqi &&
6715 gameInfo.variant != VariantShatranj && // [HGM] baring will remain possible
6716 (NrPieces == 3 && NrWN+NrBN+NrWB+NrBB == 1 ||
6717 NrPieces == NrBB+NrWB+2 && bishopsColor != 3)) // [HGM] all Bishops (Ferz!) same color
6718 { /* KBK, KNK, KK of KBKB with like Bishops */
6720 /* always flag draws, for judging claims */
6721 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
6723 if(canAdjudicate && appData.materialDraws) {
6724 /* but only adjudicate them if adjudication enabled */
6725 if(engineOpponent) {
6726 SendToProgram("force\n", engineOpponent); // suppress reply
6727 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
6729 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6730 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
6735 /* Then some trivial draws (only adjudicate, cannot be claimed) */
6737 ( NrWR == 1 && NrBR == 1 /* KRKR */
6738 || NrWQ==1 && NrBQ==1 /* KQKQ */
6739 || NrWN==2 || NrBN==2 /* KNNK */
6740 || NrWN+NrWB == 1 && NrBN+NrBB == 1 /* KBKN, KBKB, KNKN */
6742 if(canAdjudicate && --moveCount < 0 && appData.trivialDraws)
6743 { /* if the first 3 moves do not show a tactical win, declare draw */
6744 if(engineOpponent) {
6745 SendToProgram("force\n", engineOpponent); // suppress reply
6746 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6748 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6749 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
6752 } else moveCount = 6;
6756 if (appData.debugMode) { int i;
6757 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
6758 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
6759 appData.drawRepeats);
6760 for( i=forwardMostMove; i>=backwardMostMove; i-- )
6761 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
6765 // Repetition draws and 50-move rule can be applied independently of legality testing
6767 /* Check for rep-draws */
6769 for(k = forwardMostMove-2;
6770 k>=backwardMostMove && k>=forwardMostMove-100 &&
6771 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
6772 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
6775 if(CompareBoards(boards[k], boards[forwardMostMove])) {
6776 /* compare castling rights */
6777 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
6778 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
6779 rights++; /* King lost rights, while rook still had them */
6780 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
6781 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
6782 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
6783 rights++; /* but at least one rook lost them */
6785 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
6786 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
6788 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
6789 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
6790 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
6793 if( canAdjudicate && rights == 0 && ++count > appData.drawRepeats-2
6794 && appData.drawRepeats > 1) {
6795 /* adjudicate after user-specified nr of repeats */
6796 if(engineOpponent) {
6797 SendToProgram("force\n", engineOpponent); // suppress reply
6798 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6800 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6801 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
6802 // [HGM] xiangqi: check for forbidden perpetuals
6803 int m, ourPerpetual = 1, hisPerpetual = 1;
6804 for(m=forwardMostMove; m>k; m-=2) {
6805 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
6806 ourPerpetual = 0; // the current mover did not always check
6807 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
6808 hisPerpetual = 0; // the opponent did not always check
6810 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
6811 ourPerpetual, hisPerpetual);
6812 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
6813 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6814 "Xboard adjudication: perpetual checking", GE_XBOARD );
6817 if(hisPerpetual && !ourPerpetual) // he is checking us, but did not repeat yet
6818 break; // (or we would have caught him before). Abort repetition-checking loop.
6819 // Now check for perpetual chases
6820 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
6821 hisPerpetual = PerpetualChase(k, forwardMostMove);
6822 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
6823 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
6824 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6825 "Xboard adjudication: perpetual chasing", GE_XBOARD );
6828 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
6829 break; // Abort repetition-checking loop.
6831 // if neither of us is checking or chasing all the time, or both are, it is draw
6833 GameEnds( GameIsDrawn, "Xboard adjudication: repetition draw", GE_XBOARD );
6836 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
6837 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
6841 /* Now we test for 50-move draws. Determine ply count */
6842 count = forwardMostMove;
6843 /* look for last irreversble move */
6844 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
6846 /* if we hit starting position, add initial plies */
6847 if( count == backwardMostMove )
6848 count -= initialRulePlies;
6849 count = forwardMostMove - count;
6851 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
6852 /* this is used to judge if draw claims are legal */
6853 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
6854 if(engineOpponent) {
6855 SendToProgram("force\n", engineOpponent); // suppress reply
6856 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6858 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6859 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
6863 /* if draw offer is pending, treat it as a draw claim
6864 * when draw condition present, to allow engines a way to
6865 * claim draws before making their move to avoid a race
6866 * condition occurring after their move
6868 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
6870 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
6871 p = "Draw claim: 50-move rule";
6872 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
6873 p = "Draw claim: 3-fold repetition";
6874 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
6875 p = "Draw claim: insufficient mating material";
6876 if( p != NULL && canAdjudicate) {
6877 if(engineOpponent) {
6878 SendToProgram("force\n", engineOpponent); // suppress reply
6879 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6881 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6882 GameEnds( GameIsDrawn, p, GE_XBOARD );
6887 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
6888 if(engineOpponent) {
6889 SendToProgram("force\n", engineOpponent); // suppress reply
6890 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6892 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6893 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
6899 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
6900 { // [HGM] book: this routine intercepts moves to simulate book replies
6901 char *bookHit = NULL;
6903 //first determine if the incoming move brings opponent into his book
6904 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
6905 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
6906 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
6907 if(bookHit != NULL && !cps->bookSuspend) {
6908 // make sure opponent is not going to reply after receiving move to book position
6909 SendToProgram("force\n", cps);
6910 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
6912 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
6913 // now arrange restart after book miss
6915 // after a book hit we never send 'go', and the code after the call to this routine
6916 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
6918 if (cps->useUsermove) sprintf(buf, "usermove "); // sorry, no SAN yet :(
6919 sprintf(buf, "%s\n", bookHit); // force book move into program supposed to play it
6920 SendToProgram(buf, cps);
6921 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
6922 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
6923 SendToProgram("go\n", cps);
6924 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
6925 } else { // 'go' might be sent based on 'firstMove' after this routine returns
6926 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
6927 SendToProgram("go\n", cps);
6928 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
6930 return bookHit; // notify caller of hit, so it can take action to send move to opponent
6934 ChessProgramState *savedState;
6935 void DeferredBookMove(void)
6937 if(savedState->lastPing != savedState->lastPong)
6938 ScheduleDelayedEvent(DeferredBookMove, 10);
6940 HandleMachineMove(savedMessage, savedState);
6944 HandleMachineMove(message, cps)
6946 ChessProgramState *cps;
6948 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
6949 char realname[MSG_SIZ];
6950 int fromX, fromY, toX, toY;
6959 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
6961 * Kludge to ignore BEL characters
6963 while (*message == '\007') message++;
6966 * [HGM] engine debug message: ignore lines starting with '#' character
6968 if(cps->debug && *message == '#') return;
6971 * Look for book output
6973 if (cps == &first && bookRequested) {
6974 if (message[0] == '\t' || message[0] == ' ') {
6975 /* Part of the book output is here; append it */
6976 strcat(bookOutput, message);
6977 strcat(bookOutput, " \n");
6979 } else if (bookOutput[0] != NULLCHAR) {
6980 /* All of book output has arrived; display it */
6981 char *p = bookOutput;
6982 while (*p != NULLCHAR) {
6983 if (*p == '\t') *p = ' ';
6986 DisplayInformation(bookOutput);
6987 bookRequested = FALSE;
6988 /* Fall through to parse the current output */
6993 * Look for machine move.
6995 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
6996 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
6998 /* This method is only useful on engines that support ping */
6999 if (cps->lastPing != cps->lastPong) {
7000 if (gameMode == BeginningOfGame) {
7001 /* Extra move from before last new; ignore */
7002 if (appData.debugMode) {
7003 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7006 if (appData.debugMode) {
7007 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7008 cps->which, gameMode);
7011 SendToProgram("undo\n", cps);
7017 case BeginningOfGame:
7018 /* Extra move from before last reset; ignore */
7019 if (appData.debugMode) {
7020 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7027 /* Extra move after we tried to stop. The mode test is
7028 not a reliable way of detecting this problem, but it's
7029 the best we can do on engines that don't support ping.
7031 if (appData.debugMode) {
7032 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7033 cps->which, gameMode);
7035 SendToProgram("undo\n", cps);
7038 case MachinePlaysWhite:
7039 case IcsPlayingWhite:
7040 machineWhite = TRUE;
7043 case MachinePlaysBlack:
7044 case IcsPlayingBlack:
7045 machineWhite = FALSE;
7048 case TwoMachinesPlay:
7049 machineWhite = (cps->twoMachinesColor[0] == 'w');
7052 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7053 if (appData.debugMode) {
7055 "Ignoring move out of turn by %s, gameMode %d"
7056 ", forwardMost %d\n",
7057 cps->which, gameMode, forwardMostMove);
7062 if (appData.debugMode) { int f = forwardMostMove;
7063 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7064 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7065 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7067 if(cps->alphaRank) AlphaRank(machineMove, 4);
7068 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7069 &fromX, &fromY, &toX, &toY, &promoChar)) {
7070 /* Machine move could not be parsed; ignore it. */
7071 sprintf(buf1, _("Illegal move \"%s\" from %s machine"),
7072 machineMove, cps->which);
7073 DisplayError(buf1, 0);
7074 sprintf(buf1, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7075 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7076 if (gameMode == TwoMachinesPlay) {
7077 GameEnds(machineWhite ? BlackWins : WhiteWins,
7083 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7084 /* So we have to redo legality test with true e.p. status here, */
7085 /* to make sure an illegal e.p. capture does not slip through, */
7086 /* to cause a forfeit on a justified illegal-move complaint */
7087 /* of the opponent. */
7088 if( gameMode==TwoMachinesPlay && appData.testLegality
7089 && fromY != DROP_RANK /* [HGM] temporary; should still add legality test for drops */
7092 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7093 fromY, fromX, toY, toX, promoChar);
7094 if (appData.debugMode) {
7096 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7097 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7098 fprintf(debugFP, "castling rights\n");
7100 if(moveType == IllegalMove) {
7101 sprintf(buf1, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7102 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7103 GameEnds(machineWhite ? BlackWins : WhiteWins,
7106 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7107 /* [HGM] Kludge to handle engines that send FRC-style castling
7108 when they shouldn't (like TSCP-Gothic) */
7110 case WhiteASideCastleFR:
7111 case BlackASideCastleFR:
7113 currentMoveString[2]++;
7115 case WhiteHSideCastleFR:
7116 case BlackHSideCastleFR:
7118 currentMoveString[2]--;
7120 default: ; // nothing to do, but suppresses warning of pedantic compilers
7123 hintRequested = FALSE;
7124 lastHint[0] = NULLCHAR;
7125 bookRequested = FALSE;
7126 /* Program may be pondering now */
7127 cps->maybeThinking = TRUE;
7128 if (cps->sendTime == 2) cps->sendTime = 1;
7129 if (cps->offeredDraw) cps->offeredDraw--;
7131 /* currentMoveString is set as a side-effect of ParseOneMove */
7132 strcpy(machineMove, currentMoveString);
7133 strcat(machineMove, "\n");
7134 strcpy(moveList[forwardMostMove], machineMove);
7136 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7138 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7139 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7142 while( count < adjudicateLossPlies ) {
7143 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7146 score = -score; /* Flip score for winning side */
7149 if( score > adjudicateLossThreshold ) {
7156 if( count >= adjudicateLossPlies ) {
7157 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7159 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7160 "Xboard adjudication",
7167 if(Adjudicate(cps)) return; // [HGM] adjudicate: for all automatic game ends
7170 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7172 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7173 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7175 SendMoveToICS(moveType, fromX, fromY, toX, toY);
7177 SendMoveToICS(moveType, fromX, fromY, toX, toY);
7179 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
7180 char buf[3*MSG_SIZ];
7182 sprintf(buf, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
7183 programStats.score / 100.,
7185 programStats.time / 100.,
7186 (unsigned int)programStats.nodes,
7187 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
7188 programStats.movelist);
7190 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
7195 /* [AS] Save move info and clear stats for next move */
7196 pvInfoList[ forwardMostMove-1 ].score = programStats.score;
7197 pvInfoList[ forwardMostMove-1 ].depth = programStats.depth;
7198 pvInfoList[ forwardMostMove-1 ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7199 ClearProgramStats();
7200 thinkOutput[0] = NULLCHAR;
7201 hiddenThinkOutputState = 0;
7204 if (gameMode == TwoMachinesPlay) {
7205 /* [HGM] relaying draw offers moved to after reception of move */
7206 /* and interpreting offer as claim if it brings draw condition */
7207 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
7208 SendToProgram("draw\n", cps->other);
7210 if (cps->other->sendTime) {
7211 SendTimeRemaining(cps->other,
7212 cps->other->twoMachinesColor[0] == 'w');
7214 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
7215 if (firstMove && !bookHit) {
7217 if (cps->other->useColors) {
7218 SendToProgram(cps->other->twoMachinesColor, cps->other);
7220 SendToProgram("go\n", cps->other);
7222 cps->other->maybeThinking = TRUE;
7225 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7227 if (!pausing && appData.ringBellAfterMoves) {
7232 * Reenable menu items that were disabled while
7233 * machine was thinking
7235 if (gameMode != TwoMachinesPlay)
7236 SetUserThinkingEnables();
7238 // [HGM] book: after book hit opponent has received move and is now in force mode
7239 // force the book reply into it, and then fake that it outputted this move by jumping
7240 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
7242 static char bookMove[MSG_SIZ]; // a bit generous?
7244 strcpy(bookMove, "move ");
7245 strcat(bookMove, bookHit);
7248 programStats.nodes = programStats.depth = programStats.time =
7249 programStats.score = programStats.got_only_move = 0;
7250 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7252 if(cps->lastPing != cps->lastPong) {
7253 savedMessage = message; // args for deferred call
7255 ScheduleDelayedEvent(DeferredBookMove, 10);
7264 /* Set special modes for chess engines. Later something general
7265 * could be added here; for now there is just one kludge feature,
7266 * needed because Crafty 15.10 and earlier don't ignore SIGINT
7267 * when "xboard" is given as an interactive command.
7269 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
7270 cps->useSigint = FALSE;
7271 cps->useSigterm = FALSE;
7273 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
7274 ParseFeatures(message+8, cps);
7275 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
7278 /* [HGM] Allow engine to set up a position. Don't ask me why one would
7279 * want this, I was asked to put it in, and obliged.
7281 if (!strncmp(message, "setboard ", 9)) {
7282 Board initial_position;
7284 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
7286 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
7287 DisplayError(_("Bad FEN received from engine"), 0);
7291 CopyBoard(boards[0], initial_position);
7292 initialRulePlies = FENrulePlies;
7293 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
7294 else gameMode = MachinePlaysBlack;
7295 DrawPosition(FALSE, boards[currentMove]);
7301 * Look for communication commands
7303 if (!strncmp(message, "telluser ", 9)) {
7304 DisplayNote(message + 9);
7307 if (!strncmp(message, "tellusererror ", 14)) {
7309 DisplayError(message + 14, 0);
7312 if (!strncmp(message, "tellopponent ", 13)) {
7313 if (appData.icsActive) {
7315 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
7319 DisplayNote(message + 13);
7323 if (!strncmp(message, "tellothers ", 11)) {
7324 if (appData.icsActive) {
7326 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
7332 if (!strncmp(message, "tellall ", 8)) {
7333 if (appData.icsActive) {
7335 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
7339 DisplayNote(message + 8);
7343 if (strncmp(message, "warning", 7) == 0) {
7344 /* Undocumented feature, use tellusererror in new code */
7345 DisplayError(message, 0);
7348 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
7349 strcpy(realname, cps->tidy);
7350 strcat(realname, " query");
7351 AskQuestion(realname, buf2, buf1, cps->pr);
7354 /* Commands from the engine directly to ICS. We don't allow these to be
7355 * sent until we are logged on. Crafty kibitzes have been known to
7356 * interfere with the login process.
7359 if (!strncmp(message, "tellics ", 8)) {
7360 SendToICS(message + 8);
7364 if (!strncmp(message, "tellicsnoalias ", 15)) {
7365 SendToICS(ics_prefix);
7366 SendToICS(message + 15);
7370 /* The following are for backward compatibility only */
7371 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
7372 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
7373 SendToICS(ics_prefix);
7379 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
7383 * If the move is illegal, cancel it and redraw the board.
7384 * Also deal with other error cases. Matching is rather loose
7385 * here to accommodate engines written before the spec.
7387 if (strncmp(message + 1, "llegal move", 11) == 0 ||
7388 strncmp(message, "Error", 5) == 0) {
7389 if (StrStr(message, "name") ||
7390 StrStr(message, "rating") || StrStr(message, "?") ||
7391 StrStr(message, "result") || StrStr(message, "board") ||
7392 StrStr(message, "bk") || StrStr(message, "computer") ||
7393 StrStr(message, "variant") || StrStr(message, "hint") ||
7394 StrStr(message, "random") || StrStr(message, "depth") ||
7395 StrStr(message, "accepted")) {
7398 if (StrStr(message, "protover")) {
7399 /* Program is responding to input, so it's apparently done
7400 initializing, and this error message indicates it is
7401 protocol version 1. So we don't need to wait any longer
7402 for it to initialize and send feature commands. */
7403 FeatureDone(cps, 1);
7404 cps->protocolVersion = 1;
7407 cps->maybeThinking = FALSE;
7409 if (StrStr(message, "draw")) {
7410 /* Program doesn't have "draw" command */
7411 cps->sendDrawOffers = 0;
7414 if (cps->sendTime != 1 &&
7415 (StrStr(message, "time") || StrStr(message, "otim"))) {
7416 /* Program apparently doesn't have "time" or "otim" command */
7420 if (StrStr(message, "analyze")) {
7421 cps->analysisSupport = FALSE;
7422 cps->analyzing = FALSE;
7424 sprintf(buf2, _("%s does not support analysis"), cps->tidy);
7425 DisplayError(buf2, 0);
7428 if (StrStr(message, "(no matching move)st")) {
7429 /* Special kludge for GNU Chess 4 only */
7430 cps->stKludge = TRUE;
7431 SendTimeControl(cps, movesPerSession, timeControl,
7432 timeIncrement, appData.searchDepth,
7436 if (StrStr(message, "(no matching move)sd")) {
7437 /* Special kludge for GNU Chess 4 only */
7438 cps->sdKludge = TRUE;
7439 SendTimeControl(cps, movesPerSession, timeControl,
7440 timeIncrement, appData.searchDepth,
7444 if (!StrStr(message, "llegal")) {
7447 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7448 gameMode == IcsIdle) return;
7449 if (forwardMostMove <= backwardMostMove) return;
7450 if (pausing) PauseEvent();
7451 if(appData.forceIllegal) {
7452 // [HGM] illegal: machine refused move; force position after move into it
7453 SendToProgram("force\n", cps);
7454 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
7455 // we have a real problem now, as SendBoard will use the a2a3 kludge
7456 // when black is to move, while there might be nothing on a2 or black
7457 // might already have the move. So send the board as if white has the move.
7458 // But first we must change the stm of the engine, as it refused the last move
7459 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
7460 if(WhiteOnMove(forwardMostMove)) {
7461 SendToProgram("a7a6\n", cps); // for the engine black still had the move
7462 SendBoard(cps, forwardMostMove); // kludgeless board
7464 SendToProgram("a2a3\n", cps); // for the engine white still had the move
7465 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7466 SendBoard(cps, forwardMostMove+1); // kludgeless board
7468 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
7469 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
7470 gameMode == TwoMachinesPlay)
7471 SendToProgram("go\n", cps);
7474 if (gameMode == PlayFromGameFile) {
7475 /* Stop reading this game file */
7476 gameMode = EditGame;
7479 currentMove = forwardMostMove-1;
7480 DisplayMove(currentMove-1); /* before DisplayMoveError */
7481 SwitchClocks(forwardMostMove-1); // [HGM] race
7482 DisplayBothClocks();
7483 sprintf(buf1, _("Illegal move \"%s\" (rejected by %s chess program)"),
7484 parseList[currentMove], cps->which);
7485 DisplayMoveError(buf1);
7486 DrawPosition(FALSE, boards[currentMove]);
7488 /* [HGM] illegal-move claim should forfeit game when Xboard */
7489 /* only passes fully legal moves */
7490 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
7491 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
7492 "False illegal-move claim", GE_XBOARD );
7496 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
7497 /* Program has a broken "time" command that
7498 outputs a string not ending in newline.
7504 * If chess program startup fails, exit with an error message.
7505 * Attempts to recover here are futile.
7507 if ((StrStr(message, "unknown host") != NULL)
7508 || (StrStr(message, "No remote directory") != NULL)
7509 || (StrStr(message, "not found") != NULL)
7510 || (StrStr(message, "No such file") != NULL)
7511 || (StrStr(message, "can't alloc") != NULL)
7512 || (StrStr(message, "Permission denied") != NULL)) {
7514 cps->maybeThinking = FALSE;
7515 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
7516 cps->which, cps->program, cps->host, message);
7517 RemoveInputSource(cps->isr);
7518 DisplayFatalError(buf1, 0, 1);
7523 * Look for hint output
7525 if (sscanf(message, "Hint: %s", buf1) == 1) {
7526 if (cps == &first && hintRequested) {
7527 hintRequested = FALSE;
7528 if (ParseOneMove(buf1, forwardMostMove, &moveType,
7529 &fromX, &fromY, &toX, &toY, &promoChar)) {
7530 (void) CoordsToAlgebraic(boards[forwardMostMove],
7531 PosFlags(forwardMostMove),
7532 fromY, fromX, toY, toX, promoChar, buf1);
7533 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
7534 DisplayInformation(buf2);
7536 /* Hint move could not be parsed!? */
7537 snprintf(buf2, sizeof(buf2),
7538 _("Illegal hint move \"%s\"\nfrom %s chess program"),
7540 DisplayError(buf2, 0);
7543 strcpy(lastHint, buf1);
7549 * Ignore other messages if game is not in progress
7551 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7552 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
7555 * look for win, lose, draw, or draw offer
7557 if (strncmp(message, "1-0", 3) == 0) {
7558 char *p, *q, *r = "";
7559 p = strchr(message, '{');
7567 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
7569 } else if (strncmp(message, "0-1", 3) == 0) {
7570 char *p, *q, *r = "";
7571 p = strchr(message, '{');
7579 /* Kludge for Arasan 4.1 bug */
7580 if (strcmp(r, "Black resigns") == 0) {
7581 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
7584 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
7586 } else if (strncmp(message, "1/2", 3) == 0) {
7587 char *p, *q, *r = "";
7588 p = strchr(message, '{');
7597 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
7600 } else if (strncmp(message, "White resign", 12) == 0) {
7601 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7603 } else if (strncmp(message, "Black resign", 12) == 0) {
7604 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7606 } else if (strncmp(message, "White matches", 13) == 0 ||
7607 strncmp(message, "Black matches", 13) == 0 ) {
7608 /* [HGM] ignore GNUShogi noises */
7610 } else if (strncmp(message, "White", 5) == 0 &&
7611 message[5] != '(' &&
7612 StrStr(message, "Black") == NULL) {
7613 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7615 } else if (strncmp(message, "Black", 5) == 0 &&
7616 message[5] != '(') {
7617 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7619 } else if (strcmp(message, "resign") == 0 ||
7620 strcmp(message, "computer resigns") == 0) {
7622 case MachinePlaysBlack:
7623 case IcsPlayingBlack:
7624 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
7626 case MachinePlaysWhite:
7627 case IcsPlayingWhite:
7628 GameEnds(BlackWins, "White resigns", GE_ENGINE);
7630 case TwoMachinesPlay:
7631 if (cps->twoMachinesColor[0] == 'w')
7632 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7634 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7641 } else if (strncmp(message, "opponent mates", 14) == 0) {
7643 case MachinePlaysBlack:
7644 case IcsPlayingBlack:
7645 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7647 case MachinePlaysWhite:
7648 case IcsPlayingWhite:
7649 GameEnds(BlackWins, "Black mates", GE_ENGINE);
7651 case TwoMachinesPlay:
7652 if (cps->twoMachinesColor[0] == 'w')
7653 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7655 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7662 } else if (strncmp(message, "computer mates", 14) == 0) {
7664 case MachinePlaysBlack:
7665 case IcsPlayingBlack:
7666 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
7668 case MachinePlaysWhite:
7669 case IcsPlayingWhite:
7670 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7672 case TwoMachinesPlay:
7673 if (cps->twoMachinesColor[0] == 'w')
7674 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7676 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7683 } else if (strncmp(message, "checkmate", 9) == 0) {
7684 if (WhiteOnMove(forwardMostMove)) {
7685 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7687 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7690 } else if (strstr(message, "Draw") != NULL ||
7691 strstr(message, "game is a draw") != NULL) {
7692 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
7694 } else if (strstr(message, "offer") != NULL &&
7695 strstr(message, "draw") != NULL) {
7697 if (appData.zippyPlay && first.initDone) {
7698 /* Relay offer to ICS */
7699 SendToICS(ics_prefix);
7700 SendToICS("draw\n");
7703 cps->offeredDraw = 2; /* valid until this engine moves twice */
7704 if (gameMode == TwoMachinesPlay) {
7705 if (cps->other->offeredDraw) {
7706 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7707 /* [HGM] in two-machine mode we delay relaying draw offer */
7708 /* until after we also have move, to see if it is really claim */
7710 } else if (gameMode == MachinePlaysWhite ||
7711 gameMode == MachinePlaysBlack) {
7712 if (userOfferedDraw) {
7713 DisplayInformation(_("Machine accepts your draw offer"));
7714 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7716 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
7723 * Look for thinking output
7725 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
7726 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7728 int plylev, mvleft, mvtot, curscore, time;
7729 char mvname[MOVE_LEN];
7733 int prefixHint = FALSE;
7734 mvname[0] = NULLCHAR;
7737 case MachinePlaysBlack:
7738 case IcsPlayingBlack:
7739 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7741 case MachinePlaysWhite:
7742 case IcsPlayingWhite:
7743 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7748 case IcsObserving: /* [DM] icsEngineAnalyze */
7749 if (!appData.icsEngineAnalyze) ignore = TRUE;
7751 case TwoMachinesPlay:
7752 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
7763 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7764 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
7766 if (plyext != ' ' && plyext != '\t') {
7770 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7771 if( cps->scoreIsAbsolute &&
7772 ( gameMode == MachinePlaysBlack ||
7773 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
7774 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
7775 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
7776 !WhiteOnMove(currentMove)
7779 curscore = -curscore;
7783 programStats.depth = plylev;
7784 programStats.nodes = nodes;
7785 programStats.time = time;
7786 programStats.score = curscore;
7787 programStats.got_only_move = 0;
7789 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
7792 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
7793 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
7794 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
7795 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
7796 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
7797 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
7798 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
7799 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
7802 /* Buffer overflow protection */
7803 if (buf1[0] != NULLCHAR) {
7804 if (strlen(buf1) >= sizeof(programStats.movelist)
7805 && appData.debugMode) {
7807 "PV is too long; using the first %u bytes.\n",
7808 (unsigned) sizeof(programStats.movelist) - 1);
7811 safeStrCpy( programStats.movelist, buf1, sizeof(programStats.movelist) );
7813 sprintf(programStats.movelist, " no PV\n");
7816 if (programStats.seen_stat) {
7817 programStats.ok_to_send = 1;
7820 if (strchr(programStats.movelist, '(') != NULL) {
7821 programStats.line_is_book = 1;
7822 programStats.nr_moves = 0;
7823 programStats.moves_left = 0;
7825 programStats.line_is_book = 0;
7828 SendProgramStatsToFrontend( cps, &programStats );
7831 [AS] Protect the thinkOutput buffer from overflow... this
7832 is only useful if buf1 hasn't overflowed first!
7834 sprintf(thinkOutput, "[%d]%c%+.2f %s%s",
7836 (gameMode == TwoMachinesPlay ?
7837 ToUpper(cps->twoMachinesColor[0]) : ' '),
7838 ((double) curscore) / 100.0,
7839 prefixHint ? lastHint : "",
7840 prefixHint ? " " : "" );
7842 if( buf1[0] != NULLCHAR ) {
7843 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
7845 if( strlen(buf1) > max_len ) {
7846 if( appData.debugMode) {
7847 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
7849 buf1[max_len+1] = '\0';
7852 strcat( thinkOutput, buf1 );
7855 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
7856 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7857 DisplayMove(currentMove - 1);
7861 } else if ((p=StrStr(message, "(only move)")) != NULL) {
7862 /* crafty (9.25+) says "(only move) <move>"
7863 * if there is only 1 legal move
7865 sscanf(p, "(only move) %s", buf1);
7866 sprintf(thinkOutput, "%s (only move)", buf1);
7867 sprintf(programStats.movelist, "%s (only move)", buf1);
7868 programStats.depth = 1;
7869 programStats.nr_moves = 1;
7870 programStats.moves_left = 1;
7871 programStats.nodes = 1;
7872 programStats.time = 1;
7873 programStats.got_only_move = 1;
7875 /* Not really, but we also use this member to
7876 mean "line isn't going to change" (Crafty
7877 isn't searching, so stats won't change) */
7878 programStats.line_is_book = 1;
7880 SendProgramStatsToFrontend( cps, &programStats );
7882 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
7883 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7884 DisplayMove(currentMove - 1);
7887 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
7888 &time, &nodes, &plylev, &mvleft,
7889 &mvtot, mvname) >= 5) {
7890 /* The stat01: line is from Crafty (9.29+) in response
7891 to the "." command */
7892 programStats.seen_stat = 1;
7893 cps->maybeThinking = TRUE;
7895 if (programStats.got_only_move || !appData.periodicUpdates)
7898 programStats.depth = plylev;
7899 programStats.time = time;
7900 programStats.nodes = nodes;
7901 programStats.moves_left = mvleft;
7902 programStats.nr_moves = mvtot;
7903 strcpy(programStats.move_name, mvname);
7904 programStats.ok_to_send = 1;
7905 programStats.movelist[0] = '\0';
7907 SendProgramStatsToFrontend( cps, &programStats );
7911 } else if (strncmp(message,"++",2) == 0) {
7912 /* Crafty 9.29+ outputs this */
7913 programStats.got_fail = 2;
7916 } else if (strncmp(message,"--",2) == 0) {
7917 /* Crafty 9.29+ outputs this */
7918 programStats.got_fail = 1;
7921 } else if (thinkOutput[0] != NULLCHAR &&
7922 strncmp(message, " ", 4) == 0) {
7923 unsigned message_len;
7926 while (*p && *p == ' ') p++;
7928 message_len = strlen( p );
7930 /* [AS] Avoid buffer overflow */
7931 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
7932 strcat(thinkOutput, " ");
7933 strcat(thinkOutput, p);
7936 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
7937 strcat(programStats.movelist, " ");
7938 strcat(programStats.movelist, p);
7941 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
7942 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7943 DisplayMove(currentMove - 1);
7951 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7952 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
7954 ChessProgramStats cpstats;
7956 if (plyext != ' ' && plyext != '\t') {
7960 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7961 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
7962 curscore = -curscore;
7965 cpstats.depth = plylev;
7966 cpstats.nodes = nodes;
7967 cpstats.time = time;
7968 cpstats.score = curscore;
7969 cpstats.got_only_move = 0;
7970 cpstats.movelist[0] = '\0';
7972 if (buf1[0] != NULLCHAR) {
7973 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist) );
7976 cpstats.ok_to_send = 0;
7977 cpstats.line_is_book = 0;
7978 cpstats.nr_moves = 0;
7979 cpstats.moves_left = 0;
7981 SendProgramStatsToFrontend( cps, &cpstats );
7988 /* Parse a game score from the character string "game", and
7989 record it as the history of the current game. The game
7990 score is NOT assumed to start from the standard position.
7991 The display is not updated in any way.
7994 ParseGameHistory(game)
7998 int fromX, fromY, toX, toY, boardIndex;
8003 if (appData.debugMode)
8004 fprintf(debugFP, "Parsing game history: %s\n", game);
8006 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8007 gameInfo.site = StrSave(appData.icsHost);
8008 gameInfo.date = PGNDate();
8009 gameInfo.round = StrSave("-");
8011 /* Parse out names of players */
8012 while (*game == ' ') game++;
8014 while (*game != ' ') *p++ = *game++;
8016 gameInfo.white = StrSave(buf);
8017 while (*game == ' ') game++;
8019 while (*game != ' ' && *game != '\n') *p++ = *game++;
8021 gameInfo.black = StrSave(buf);
8024 boardIndex = blackPlaysFirst ? 1 : 0;
8027 yyboardindex = boardIndex;
8028 moveType = (ChessMove) yylex();
8030 case IllegalMove: /* maybe suicide chess, etc. */
8031 if (appData.debugMode) {
8032 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8033 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8034 setbuf(debugFP, NULL);
8036 case WhitePromotionChancellor:
8037 case BlackPromotionChancellor:
8038 case WhitePromotionArchbishop:
8039 case BlackPromotionArchbishop:
8040 case WhitePromotionQueen:
8041 case BlackPromotionQueen:
8042 case WhitePromotionRook:
8043 case BlackPromotionRook:
8044 case WhitePromotionBishop:
8045 case BlackPromotionBishop:
8046 case WhitePromotionKnight:
8047 case BlackPromotionKnight:
8048 case WhitePromotionKing:
8049 case BlackPromotionKing:
8051 case WhiteCapturesEnPassant:
8052 case BlackCapturesEnPassant:
8053 case WhiteKingSideCastle:
8054 case WhiteQueenSideCastle:
8055 case BlackKingSideCastle:
8056 case BlackQueenSideCastle:
8057 case WhiteKingSideCastleWild:
8058 case WhiteQueenSideCastleWild:
8059 case BlackKingSideCastleWild:
8060 case BlackQueenSideCastleWild:
8062 case WhiteHSideCastleFR:
8063 case WhiteASideCastleFR:
8064 case BlackHSideCastleFR:
8065 case BlackASideCastleFR:
8067 fromX = currentMoveString[0] - AAA;
8068 fromY = currentMoveString[1] - ONE;
8069 toX = currentMoveString[2] - AAA;
8070 toY = currentMoveString[3] - ONE;
8071 promoChar = currentMoveString[4];
8075 fromX = moveType == WhiteDrop ?
8076 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8077 (int) CharToPiece(ToLower(currentMoveString[0]));
8079 toX = currentMoveString[2] - AAA;
8080 toY = currentMoveString[3] - ONE;
8081 promoChar = NULLCHAR;
8085 sprintf(buf, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8086 if (appData.debugMode) {
8087 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8088 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8089 setbuf(debugFP, NULL);
8091 DisplayError(buf, 0);
8093 case ImpossibleMove:
8095 sprintf(buf, _("Illegal move in ICS output: \"%s\""), yy_text);
8096 if (appData.debugMode) {
8097 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8098 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8099 setbuf(debugFP, NULL);
8101 DisplayError(buf, 0);
8103 case (ChessMove) 0: /* end of file */
8104 if (boardIndex < backwardMostMove) {
8105 /* Oops, gap. How did that happen? */
8106 DisplayError(_("Gap in move list"), 0);
8109 backwardMostMove = blackPlaysFirst ? 1 : 0;
8110 if (boardIndex > forwardMostMove) {
8111 forwardMostMove = boardIndex;
8115 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8116 strcat(parseList[boardIndex-1], " ");
8117 strcat(parseList[boardIndex-1], yy_text);
8129 case GameUnfinished:
8130 if (gameMode == IcsExamining) {
8131 if (boardIndex < backwardMostMove) {
8132 /* Oops, gap. How did that happen? */
8135 backwardMostMove = blackPlaysFirst ? 1 : 0;
8138 gameInfo.result = moveType;
8139 p = strchr(yy_text, '{');
8140 if (p == NULL) p = strchr(yy_text, '(');
8143 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8145 q = strchr(p, *p == '{' ? '}' : ')');
8146 if (q != NULL) *q = NULLCHAR;
8149 gameInfo.resultDetails = StrSave(p);
8152 if (boardIndex >= forwardMostMove &&
8153 !(gameMode == IcsObserving && ics_gamenum == -1)) {
8154 backwardMostMove = blackPlaysFirst ? 1 : 0;
8157 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
8158 fromY, fromX, toY, toX, promoChar,
8159 parseList[boardIndex]);
8160 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
8161 /* currentMoveString is set as a side-effect of yylex */
8162 strcpy(moveList[boardIndex], currentMoveString);
8163 strcat(moveList[boardIndex], "\n");
8165 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
8166 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
8172 if(gameInfo.variant != VariantShogi)
8173 strcat(parseList[boardIndex - 1], "+");
8177 strcat(parseList[boardIndex - 1], "#");
8184 /* Apply a move to the given board */
8186 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
8187 int fromX, fromY, toX, toY;
8191 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
8192 int promoRank = gameInfo.variant == VariantMakruk ? 3 : 1;
8194 /* [HGM] compute & store e.p. status and castling rights for new position */
8195 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
8198 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
8199 oldEP = (signed char)board[EP_STATUS];
8200 board[EP_STATUS] = EP_NONE;
8202 if( board[toY][toX] != EmptySquare )
8203 board[EP_STATUS] = EP_CAPTURE;
8205 if( board[fromY][fromX] == WhitePawn ) {
8206 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8207 board[EP_STATUS] = EP_PAWN_MOVE;
8209 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
8210 gameInfo.variant != VariantBerolina || toX < fromX)
8211 board[EP_STATUS] = toX | berolina;
8212 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
8213 gameInfo.variant != VariantBerolina || toX > fromX)
8214 board[EP_STATUS] = toX;
8217 if( board[fromY][fromX] == BlackPawn ) {
8218 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8219 board[EP_STATUS] = EP_PAWN_MOVE;
8220 if( toY-fromY== -2) {
8221 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
8222 gameInfo.variant != VariantBerolina || toX < fromX)
8223 board[EP_STATUS] = toX | berolina;
8224 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
8225 gameInfo.variant != VariantBerolina || toX > fromX)
8226 board[EP_STATUS] = toX;
8230 for(i=0; i<nrCastlingRights; i++) {
8231 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
8232 board[CASTLING][i] == toX && castlingRank[i] == toY
8233 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
8238 /* [HGM] In Shatranj and Courier all promotions are to Ferz */
8239 if((gameInfo.variant==VariantShatranj || gameInfo.variant==VariantCourier || gameInfo.variant == VariantMakruk)
8240 && promoChar != 0) promoChar = PieceToChar(WhiteFerz);
8242 if (fromX == toX && fromY == toY) return;
8244 if (fromY == DROP_RANK) {
8246 piece = board[toY][toX] = (ChessSquare) fromX;
8248 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
8249 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
8250 if(gameInfo.variant == VariantKnightmate)
8251 king += (int) WhiteUnicorn - (int) WhiteKing;
8253 /* Code added by Tord: */
8254 /* FRC castling assumed when king captures friendly rook. */
8255 if (board[fromY][fromX] == WhiteKing &&
8256 board[toY][toX] == WhiteRook) {
8257 board[fromY][fromX] = EmptySquare;
8258 board[toY][toX] = EmptySquare;
8260 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
8262 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
8264 } else if (board[fromY][fromX] == BlackKing &&
8265 board[toY][toX] == BlackRook) {
8266 board[fromY][fromX] = EmptySquare;
8267 board[toY][toX] = EmptySquare;
8269 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
8271 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
8273 /* End of code added by Tord */
8275 } else if (board[fromY][fromX] == king
8276 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8277 && toY == fromY && toX > fromX+1) {
8278 board[fromY][fromX] = EmptySquare;
8279 board[toY][toX] = king;
8280 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8281 board[fromY][BOARD_RGHT-1] = EmptySquare;
8282 } else if (board[fromY][fromX] == king
8283 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8284 && toY == fromY && toX < fromX-1) {
8285 board[fromY][fromX] = EmptySquare;
8286 board[toY][toX] = king;
8287 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8288 board[fromY][BOARD_LEFT] = EmptySquare;
8289 } else if (board[fromY][fromX] == WhitePawn
8290 && toY >= BOARD_HEIGHT-promoRank
8291 && gameInfo.variant != VariantXiangqi
8293 /* white pawn promotion */
8294 board[toY][toX] = CharToPiece(ToUpper(promoChar));
8295 if (board[toY][toX] == EmptySquare) {
8296 board[toY][toX] = WhiteQueen;
8298 if(gameInfo.variant==VariantBughouse ||
8299 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8300 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8301 board[fromY][fromX] = EmptySquare;
8302 } else if ((fromY == BOARD_HEIGHT-4)
8304 && gameInfo.variant != VariantXiangqi
8305 && gameInfo.variant != VariantBerolina
8306 && (board[fromY][fromX] == WhitePawn)
8307 && (board[toY][toX] == EmptySquare)) {
8308 board[fromY][fromX] = EmptySquare;
8309 board[toY][toX] = WhitePawn;
8310 captured = board[toY - 1][toX];
8311 board[toY - 1][toX] = EmptySquare;
8312 } else if ((fromY == BOARD_HEIGHT-4)
8314 && gameInfo.variant == VariantBerolina
8315 && (board[fromY][fromX] == WhitePawn)
8316 && (board[toY][toX] == EmptySquare)) {
8317 board[fromY][fromX] = EmptySquare;
8318 board[toY][toX] = WhitePawn;
8319 if(oldEP & EP_BEROLIN_A) {
8320 captured = board[fromY][fromX-1];
8321 board[fromY][fromX-1] = EmptySquare;
8322 }else{ captured = board[fromY][fromX+1];
8323 board[fromY][fromX+1] = EmptySquare;
8325 } else if (board[fromY][fromX] == king
8326 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8327 && toY == fromY && toX > fromX+1) {
8328 board[fromY][fromX] = EmptySquare;
8329 board[toY][toX] = king;
8330 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8331 board[fromY][BOARD_RGHT-1] = EmptySquare;
8332 } else if (board[fromY][fromX] == king
8333 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8334 && toY == fromY && toX < fromX-1) {
8335 board[fromY][fromX] = EmptySquare;
8336 board[toY][toX] = king;
8337 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8338 board[fromY][BOARD_LEFT] = EmptySquare;
8339 } else if (fromY == 7 && fromX == 3
8340 && board[fromY][fromX] == BlackKing
8341 && toY == 7 && toX == 5) {
8342 board[fromY][fromX] = EmptySquare;
8343 board[toY][toX] = BlackKing;
8344 board[fromY][7] = EmptySquare;
8345 board[toY][4] = BlackRook;
8346 } else if (fromY == 7 && fromX == 3
8347 && board[fromY][fromX] == BlackKing
8348 && toY == 7 && toX == 1) {
8349 board[fromY][fromX] = EmptySquare;
8350 board[toY][toX] = BlackKing;
8351 board[fromY][0] = EmptySquare;
8352 board[toY][2] = BlackRook;
8353 } else if (board[fromY][fromX] == BlackPawn
8355 && gameInfo.variant != VariantXiangqi
8357 /* black pawn promotion */
8358 board[toY][toX] = CharToPiece(ToLower(promoChar));
8359 if (board[toY][toX] == EmptySquare) {
8360 board[toY][toX] = BlackQueen;
8362 if(gameInfo.variant==VariantBughouse ||
8363 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8364 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8365 board[fromY][fromX] = EmptySquare;
8366 } else if ((fromY == 3)
8368 && gameInfo.variant != VariantXiangqi
8369 && gameInfo.variant != VariantBerolina
8370 && (board[fromY][fromX] == BlackPawn)
8371 && (board[toY][toX] == EmptySquare)) {
8372 board[fromY][fromX] = EmptySquare;
8373 board[toY][toX] = BlackPawn;
8374 captured = board[toY + 1][toX];
8375 board[toY + 1][toX] = EmptySquare;
8376 } else if ((fromY == 3)
8378 && gameInfo.variant == VariantBerolina
8379 && (board[fromY][fromX] == BlackPawn)
8380 && (board[toY][toX] == EmptySquare)) {
8381 board[fromY][fromX] = EmptySquare;
8382 board[toY][toX] = BlackPawn;
8383 if(oldEP & EP_BEROLIN_A) {
8384 captured = board[fromY][fromX-1];
8385 board[fromY][fromX-1] = EmptySquare;
8386 }else{ captured = board[fromY][fromX+1];
8387 board[fromY][fromX+1] = EmptySquare;
8390 board[toY][toX] = board[fromY][fromX];
8391 board[fromY][fromX] = EmptySquare;
8394 /* [HGM] now we promote for Shogi, if needed */
8395 if(gameInfo.variant == VariantShogi && promoChar == 'q')
8396 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8399 if (gameInfo.holdingsWidth != 0) {
8401 /* !!A lot more code needs to be written to support holdings */
8402 /* [HGM] OK, so I have written it. Holdings are stored in the */
8403 /* penultimate board files, so they are automaticlly stored */
8404 /* in the game history. */
8405 if (fromY == DROP_RANK) {
8406 /* Delete from holdings, by decreasing count */
8407 /* and erasing image if necessary */
8409 if(p < (int) BlackPawn) { /* white drop */
8410 p -= (int)WhitePawn;
8411 p = PieceToNumber((ChessSquare)p);
8412 if(p >= gameInfo.holdingsSize) p = 0;
8413 if(--board[p][BOARD_WIDTH-2] <= 0)
8414 board[p][BOARD_WIDTH-1] = EmptySquare;
8415 if((int)board[p][BOARD_WIDTH-2] < 0)
8416 board[p][BOARD_WIDTH-2] = 0;
8417 } else { /* black drop */
8418 p -= (int)BlackPawn;
8419 p = PieceToNumber((ChessSquare)p);
8420 if(p >= gameInfo.holdingsSize) p = 0;
8421 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
8422 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
8423 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
8424 board[BOARD_HEIGHT-1-p][1] = 0;
8427 if (captured != EmptySquare && gameInfo.holdingsSize > 0
8428 && gameInfo.variant != VariantBughouse ) {
8429 /* [HGM] holdings: Add to holdings, if holdings exist */
8430 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
8431 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
8432 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
8435 if (p >= (int) BlackPawn) {
8436 p -= (int)BlackPawn;
8437 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8438 /* in Shogi restore piece to its original first */
8439 captured = (ChessSquare) (DEMOTED captured);
8442 p = PieceToNumber((ChessSquare)p);
8443 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
8444 board[p][BOARD_WIDTH-2]++;
8445 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
8447 p -= (int)WhitePawn;
8448 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8449 captured = (ChessSquare) (DEMOTED captured);
8452 p = PieceToNumber((ChessSquare)p);
8453 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
8454 board[BOARD_HEIGHT-1-p][1]++;
8455 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
8458 } else if (gameInfo.variant == VariantAtomic) {
8459 if (captured != EmptySquare) {
8461 for (y = toY-1; y <= toY+1; y++) {
8462 for (x = toX-1; x <= toX+1; x++) {
8463 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
8464 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
8465 board[y][x] = EmptySquare;
8469 board[toY][toX] = EmptySquare;
8472 if(gameInfo.variant == VariantShogi && promoChar != NULLCHAR && promoChar != '=') {
8473 /* [HGM] Shogi promotions */
8474 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8477 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8478 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
8479 // [HGM] superchess: take promotion piece out of holdings
8480 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
8481 if((int)piece < (int)BlackPawn) { // determine stm from piece color
8482 if(!--board[k][BOARD_WIDTH-2])
8483 board[k][BOARD_WIDTH-1] = EmptySquare;
8485 if(!--board[BOARD_HEIGHT-1-k][1])
8486 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
8492 /* Updates forwardMostMove */
8494 MakeMove(fromX, fromY, toX, toY, promoChar)
8495 int fromX, fromY, toX, toY;
8498 // forwardMostMove++; // [HGM] bare: moved downstream
8500 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
8501 int timeLeft; static int lastLoadFlag=0; int king, piece;
8502 piece = boards[forwardMostMove][fromY][fromX];
8503 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
8504 if(gameInfo.variant == VariantKnightmate)
8505 king += (int) WhiteUnicorn - (int) WhiteKing;
8506 if(forwardMostMove == 0) {
8508 fprintf(serverMoves, "%s;", second.tidy);
8509 fprintf(serverMoves, "%s;", first.tidy);
8510 if(!blackPlaysFirst)
8511 fprintf(serverMoves, "%s;", second.tidy);
8512 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
8513 lastLoadFlag = loadFlag;
8515 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
8516 // print castling suffix
8517 if( toY == fromY && piece == king ) {
8519 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
8521 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
8524 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
8525 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
8526 boards[forwardMostMove][toY][toX] == EmptySquare
8528 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
8530 if(promoChar != NULLCHAR)
8531 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
8533 fprintf(serverMoves, "/%d/%d",
8534 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
8535 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
8536 else timeLeft = blackTimeRemaining/1000;
8537 fprintf(serverMoves, "/%d", timeLeft);
8539 fflush(serverMoves);
8542 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
8543 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
8547 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
8548 if (commentList[forwardMostMove+1] != NULL) {
8549 free(commentList[forwardMostMove+1]);
8550 commentList[forwardMostMove+1] = NULL;
8552 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8553 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
8554 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
8555 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
8556 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
8557 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
8558 gameInfo.result = GameUnfinished;
8559 if (gameInfo.resultDetails != NULL) {
8560 free(gameInfo.resultDetails);
8561 gameInfo.resultDetails = NULL;
8563 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
8564 moveList[forwardMostMove - 1]);
8565 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
8566 PosFlags(forwardMostMove - 1),
8567 fromY, fromX, toY, toX, promoChar,
8568 parseList[forwardMostMove - 1]);
8569 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8575 if(gameInfo.variant != VariantShogi)
8576 strcat(parseList[forwardMostMove - 1], "+");
8580 strcat(parseList[forwardMostMove - 1], "#");
8583 if (appData.debugMode) {
8584 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
8589 /* Updates currentMove if not pausing */
8591 ShowMove(fromX, fromY, toX, toY)
8593 int instant = (gameMode == PlayFromGameFile) ?
8594 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
8595 if(appData.noGUI) return;
8596 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
8598 if (forwardMostMove == currentMove + 1) {
8599 AnimateMove(boards[forwardMostMove - 1],
8600 fromX, fromY, toX, toY);
8602 if (appData.highlightLastMove) {
8603 SetHighlights(fromX, fromY, toX, toY);
8606 currentMove = forwardMostMove;
8609 if (instant) return;
8611 DisplayMove(currentMove - 1);
8612 DrawPosition(FALSE, boards[currentMove]);
8613 DisplayBothClocks();
8614 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
8617 void SendEgtPath(ChessProgramState *cps)
8618 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
8619 char buf[MSG_SIZ], name[MSG_SIZ], *p;
8621 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
8624 char c, *q = name+1, *r, *s;
8626 name[0] = ','; // extract next format name from feature and copy with prefixed ','
8627 while(*p && *p != ',') *q++ = *p++;
8629 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
8630 strcmp(name, ",nalimov:") == 0 ) {
8631 // take nalimov path from the menu-changeable option first, if it is defined
8632 sprintf(buf, "egtpath nalimov %s\n", appData.defaultPathEGTB);
8633 SendToProgram(buf,cps); // send egtbpath command for nalimov
8635 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
8636 (s = StrStr(appData.egtFormats, name)) != NULL) {
8637 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
8638 s = r = StrStr(s, ":") + 1; // beginning of path info
8639 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
8640 c = *r; *r = 0; // temporarily null-terminate path info
8641 *--q = 0; // strip of trailig ':' from name
8642 sprintf(buf, "egtpath %s %s\n", name+1, s);
8644 SendToProgram(buf,cps); // send egtbpath command for this format
8646 if(*p == ',') p++; // read away comma to position for next format name
8651 InitChessProgram(cps, setup)
8652 ChessProgramState *cps;
8653 int setup; /* [HGM] needed to setup FRC opening position */
8655 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
8656 if (appData.noChessProgram) return;
8657 hintRequested = FALSE;
8658 bookRequested = FALSE;
8660 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
8661 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
8662 if(cps->memSize) { /* [HGM] memory */
8663 sprintf(buf, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
8664 SendToProgram(buf, cps);
8666 SendEgtPath(cps); /* [HGM] EGT */
8667 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
8668 sprintf(buf, "cores %d\n", appData.smpCores);
8669 SendToProgram(buf, cps);
8672 SendToProgram(cps->initString, cps);
8673 if (gameInfo.variant != VariantNormal &&
8674 gameInfo.variant != VariantLoadable
8675 /* [HGM] also send variant if board size non-standard */
8676 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
8678 char *v = VariantName(gameInfo.variant);
8679 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
8680 /* [HGM] in protocol 1 we have to assume all variants valid */
8681 sprintf(buf, _("Variant %s not supported by %s"), v, cps->tidy);
8682 DisplayFatalError(buf, 0, 1);
8686 /* [HGM] make prefix for non-standard board size. Awkward testing... */
8687 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8688 if( gameInfo.variant == VariantXiangqi )
8689 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
8690 if( gameInfo.variant == VariantShogi )
8691 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
8692 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
8693 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
8694 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
8695 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
8696 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8697 if( gameInfo.variant == VariantCourier )
8698 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8699 if( gameInfo.variant == VariantSuper )
8700 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8701 if( gameInfo.variant == VariantGreat )
8702 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8705 sprintf(b, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
8706 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
8707 /* [HGM] varsize: try first if this defiant size variant is specifically known */
8708 if(StrStr(cps->variants, b) == NULL) {
8709 // specific sized variant not known, check if general sizing allowed
8710 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
8711 if(StrStr(cps->variants, "boardsize") == NULL) {
8712 sprintf(buf, "Board size %dx%d+%d not supported by %s",
8713 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
8714 DisplayFatalError(buf, 0, 1);
8717 /* [HGM] here we really should compare with the maximum supported board size */
8720 } else sprintf(b, "%s", VariantName(gameInfo.variant));
8721 sprintf(buf, "variant %s\n", b);
8722 SendToProgram(buf, cps);
8724 currentlyInitializedVariant = gameInfo.variant;
8726 /* [HGM] send opening position in FRC to first engine */
8728 SendToProgram("force\n", cps);
8730 /* engine is now in force mode! Set flag to wake it up after first move. */
8731 setboardSpoiledMachineBlack = 1;
8735 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
8736 SendToProgram(buf, cps);
8738 cps->maybeThinking = FALSE;
8739 cps->offeredDraw = 0;
8740 if (!appData.icsActive) {
8741 SendTimeControl(cps, movesPerSession, timeControl,
8742 timeIncrement, appData.searchDepth,
8745 if (appData.showThinking
8746 // [HGM] thinking: four options require thinking output to be sent
8747 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8749 SendToProgram("post\n", cps);
8751 SendToProgram("hard\n", cps);
8752 if (!appData.ponderNextMove) {
8753 /* Warning: "easy" is a toggle in GNU Chess, so don't send
8754 it without being sure what state we are in first. "hard"
8755 is not a toggle, so that one is OK.
8757 SendToProgram("easy\n", cps);
8760 sprintf(buf, "ping %d\n", ++cps->lastPing);
8761 SendToProgram(buf, cps);
8763 cps->initDone = TRUE;
8768 StartChessProgram(cps)
8769 ChessProgramState *cps;
8774 if (appData.noChessProgram) return;
8775 cps->initDone = FALSE;
8777 if (strcmp(cps->host, "localhost") == 0) {
8778 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
8779 } else if (*appData.remoteShell == NULLCHAR) {
8780 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
8782 if (*appData.remoteUser == NULLCHAR) {
8783 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
8786 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
8787 cps->host, appData.remoteUser, cps->program);
8789 err = StartChildProcess(buf, "", &cps->pr);
8793 sprintf(buf, _("Startup failure on '%s'"), cps->program);
8794 DisplayFatalError(buf, err, 1);
8800 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
8801 if (cps->protocolVersion > 1) {
8802 sprintf(buf, "xboard\nprotover %d\n", cps->protocolVersion);
8803 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
8804 cps->comboCnt = 0; // and values of combo boxes
8805 SendToProgram(buf, cps);
8807 SendToProgram("xboard\n", cps);
8813 TwoMachinesEventIfReady P((void))
8815 if (first.lastPing != first.lastPong) {
8816 DisplayMessage("", _("Waiting for first chess program"));
8817 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8820 if (second.lastPing != second.lastPong) {
8821 DisplayMessage("", _("Waiting for second chess program"));
8822 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8830 NextMatchGame P((void))
8832 int index; /* [HGM] autoinc: step load index during match */
8834 if (*appData.loadGameFile != NULLCHAR) {
8835 index = appData.loadGameIndex;
8836 if(index < 0) { // [HGM] autoinc
8837 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8838 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8840 LoadGameFromFile(appData.loadGameFile,
8842 appData.loadGameFile, FALSE);
8843 } else if (*appData.loadPositionFile != NULLCHAR) {
8844 index = appData.loadPositionIndex;
8845 if(index < 0) { // [HGM] autoinc
8846 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8847 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8849 LoadPositionFromFile(appData.loadPositionFile,
8851 appData.loadPositionFile);
8853 TwoMachinesEventIfReady();
8856 void UserAdjudicationEvent( int result )
8858 ChessMove gameResult = GameIsDrawn;
8861 gameResult = WhiteWins;
8863 else if( result < 0 ) {
8864 gameResult = BlackWins;
8867 if( gameMode == TwoMachinesPlay ) {
8868 GameEnds( gameResult, "User adjudication", GE_XBOARD );
8873 // [HGM] save: calculate checksum of game to make games easily identifiable
8874 int StringCheckSum(char *s)
8877 if(s==NULL) return 0;
8878 while(*s) i = i*259 + *s++;
8885 for(i=backwardMostMove; i<forwardMostMove; i++) {
8886 sum += pvInfoList[i].depth;
8887 sum += StringCheckSum(parseList[i]);
8888 sum += StringCheckSum(commentList[i]);
8891 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
8892 return sum + StringCheckSum(commentList[i]);
8893 } // end of save patch
8896 GameEnds(result, resultDetails, whosays)
8898 char *resultDetails;
8901 GameMode nextGameMode;
8905 if(endingGame) return; /* [HGM] crash: forbid recursion */
8907 if(twoBoards) { twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0); } // [HGM] dual
8909 if (appData.debugMode) {
8910 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
8911 result, resultDetails ? resultDetails : "(null)", whosays);
8914 fromX = fromY = -1; // [HGM] abort any move the user is entering.
8916 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
8917 /* If we are playing on ICS, the server decides when the
8918 game is over, but the engine can offer to draw, claim
8922 if (appData.zippyPlay && first.initDone) {
8923 if (result == GameIsDrawn) {
8924 /* In case draw still needs to be claimed */
8925 SendToICS(ics_prefix);
8926 SendToICS("draw\n");
8927 } else if (StrCaseStr(resultDetails, "resign")) {
8928 SendToICS(ics_prefix);
8929 SendToICS("resign\n");
8933 endingGame = 0; /* [HGM] crash */
8937 /* If we're loading the game from a file, stop */
8938 if (whosays == GE_FILE) {
8939 (void) StopLoadGameTimer();
8943 /* Cancel draw offers */
8944 first.offeredDraw = second.offeredDraw = 0;
8946 /* If this is an ICS game, only ICS can really say it's done;
8947 if not, anyone can. */
8948 isIcsGame = (gameMode == IcsPlayingWhite ||
8949 gameMode == IcsPlayingBlack ||
8950 gameMode == IcsObserving ||
8951 gameMode == IcsExamining);
8953 if (!isIcsGame || whosays == GE_ICS) {
8954 /* OK -- not an ICS game, or ICS said it was done */
8956 if (!isIcsGame && !appData.noChessProgram)
8957 SetUserThinkingEnables();
8959 /* [HGM] if a machine claims the game end we verify this claim */
8960 if(gameMode == TwoMachinesPlay && appData.testClaims) {
8961 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
8963 ChessMove trueResult = (ChessMove) -1;
8965 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
8966 first.twoMachinesColor[0] :
8967 second.twoMachinesColor[0] ;
8969 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
8970 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
8971 /* [HGM] verify: engine mate claims accepted if they were flagged */
8972 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
8974 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
8975 /* [HGM] verify: engine mate claims accepted if they were flagged */
8976 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8978 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
8979 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
8982 // now verify win claims, but not in drop games, as we don't understand those yet
8983 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
8984 || gameInfo.variant == VariantGreat) &&
8985 (result == WhiteWins && claimer == 'w' ||
8986 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
8987 if (appData.debugMode) {
8988 fprintf(debugFP, "result=%d sp=%d move=%d\n",
8989 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
8991 if(result != trueResult) {
8992 sprintf(buf, "False win claim: '%s'", resultDetails);
8993 result = claimer == 'w' ? BlackWins : WhiteWins;
8994 resultDetails = buf;
8997 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
8998 && (forwardMostMove <= backwardMostMove ||
8999 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
9000 (claimer=='b')==(forwardMostMove&1))
9002 /* [HGM] verify: draws that were not flagged are false claims */
9003 sprintf(buf, "False draw claim: '%s'", resultDetails);
9004 result = claimer == 'w' ? BlackWins : WhiteWins;
9005 resultDetails = buf;
9007 /* (Claiming a loss is accepted no questions asked!) */
9009 /* [HGM] bare: don't allow bare King to win */
9010 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
9011 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
9012 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
9013 && result != GameIsDrawn)
9014 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
9015 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
9016 int p = (signed char)boards[forwardMostMove][i][j] - color;
9017 if(p >= 0 && p <= (int)WhiteKing) k++;
9019 if (appData.debugMode) {
9020 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
9021 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
9024 result = GameIsDrawn;
9025 sprintf(buf, "%s but bare king", resultDetails);
9026 resultDetails = buf;
9032 if(serverMoves != NULL && !loadFlag) { char c = '=';
9033 if(result==WhiteWins) c = '+';
9034 if(result==BlackWins) c = '-';
9035 if(resultDetails != NULL)
9036 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
9038 if (resultDetails != NULL) {
9039 gameInfo.result = result;
9040 gameInfo.resultDetails = StrSave(resultDetails);
9042 /* display last move only if game was not loaded from file */
9043 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
9044 DisplayMove(currentMove - 1);
9046 if (forwardMostMove != 0) {
9047 if (gameMode != PlayFromGameFile && gameMode != EditGame
9048 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
9050 if (*appData.saveGameFile != NULLCHAR) {
9051 SaveGameToFile(appData.saveGameFile, TRUE);
9052 } else if (appData.autoSaveGames) {
9055 if (*appData.savePositionFile != NULLCHAR) {
9056 SavePositionToFile(appData.savePositionFile);
9061 /* Tell program how game ended in case it is learning */
9062 /* [HGM] Moved this to after saving the PGN, just in case */
9063 /* engine died and we got here through time loss. In that */
9064 /* case we will get a fatal error writing the pipe, which */
9065 /* would otherwise lose us the PGN. */
9066 /* [HGM] crash: not needed anymore, but doesn't hurt; */
9067 /* output during GameEnds should never be fatal anymore */
9068 if (gameMode == MachinePlaysWhite ||
9069 gameMode == MachinePlaysBlack ||
9070 gameMode == TwoMachinesPlay ||
9071 gameMode == IcsPlayingWhite ||
9072 gameMode == IcsPlayingBlack ||
9073 gameMode == BeginningOfGame) {
9075 sprintf(buf, "result %s {%s}\n", PGNResult(result),
9077 if (first.pr != NoProc) {
9078 SendToProgram(buf, &first);
9080 if (second.pr != NoProc &&
9081 gameMode == TwoMachinesPlay) {
9082 SendToProgram(buf, &second);
9087 if (appData.icsActive) {
9088 if (appData.quietPlay &&
9089 (gameMode == IcsPlayingWhite ||
9090 gameMode == IcsPlayingBlack)) {
9091 SendToICS(ics_prefix);
9092 SendToICS("set shout 1\n");
9094 nextGameMode = IcsIdle;
9095 ics_user_moved = FALSE;
9096 /* clean up premove. It's ugly when the game has ended and the
9097 * premove highlights are still on the board.
9101 ClearPremoveHighlights();
9102 DrawPosition(FALSE, boards[currentMove]);
9104 if (whosays == GE_ICS) {
9107 if (gameMode == IcsPlayingWhite)
9109 else if(gameMode == IcsPlayingBlack)
9113 if (gameMode == IcsPlayingBlack)
9115 else if(gameMode == IcsPlayingWhite)
9122 PlayIcsUnfinishedSound();
9125 } else if (gameMode == EditGame ||
9126 gameMode == PlayFromGameFile ||
9127 gameMode == AnalyzeMode ||
9128 gameMode == AnalyzeFile) {
9129 nextGameMode = gameMode;
9131 nextGameMode = EndOfGame;
9136 nextGameMode = gameMode;
9139 if (appData.noChessProgram) {
9140 gameMode = nextGameMode;
9142 endingGame = 0; /* [HGM] crash */
9147 /* Put first chess program into idle state */
9148 if (first.pr != NoProc &&
9149 (gameMode == MachinePlaysWhite ||
9150 gameMode == MachinePlaysBlack ||
9151 gameMode == TwoMachinesPlay ||
9152 gameMode == IcsPlayingWhite ||
9153 gameMode == IcsPlayingBlack ||
9154 gameMode == BeginningOfGame)) {
9155 SendToProgram("force\n", &first);
9156 if (first.usePing) {
9158 sprintf(buf, "ping %d\n", ++first.lastPing);
9159 SendToProgram(buf, &first);
9162 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9163 /* Kill off first chess program */
9164 if (first.isr != NULL)
9165 RemoveInputSource(first.isr);
9168 if (first.pr != NoProc) {
9170 DoSleep( appData.delayBeforeQuit );
9171 SendToProgram("quit\n", &first);
9172 DoSleep( appData.delayAfterQuit );
9173 DestroyChildProcess(first.pr, first.useSigterm);
9178 /* Put second chess program into idle state */
9179 if (second.pr != NoProc &&
9180 gameMode == TwoMachinesPlay) {
9181 SendToProgram("force\n", &second);
9182 if (second.usePing) {
9184 sprintf(buf, "ping %d\n", ++second.lastPing);
9185 SendToProgram(buf, &second);
9188 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9189 /* Kill off second chess program */
9190 if (second.isr != NULL)
9191 RemoveInputSource(second.isr);
9194 if (second.pr != NoProc) {
9195 DoSleep( appData.delayBeforeQuit );
9196 SendToProgram("quit\n", &second);
9197 DoSleep( appData.delayAfterQuit );
9198 DestroyChildProcess(second.pr, second.useSigterm);
9203 if (matchMode && gameMode == TwoMachinesPlay) {
9206 if (first.twoMachinesColor[0] == 'w') {
9213 if (first.twoMachinesColor[0] == 'b') {
9222 if (matchGame < appData.matchGames) {
9224 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
9225 tmp = first.twoMachinesColor;
9226 first.twoMachinesColor = second.twoMachinesColor;
9227 second.twoMachinesColor = tmp;
9229 gameMode = nextGameMode;
9231 if(appData.matchPause>10000 || appData.matchPause<10)
9232 appData.matchPause = 10000; /* [HGM] make pause adjustable */
9233 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
9234 endingGame = 0; /* [HGM] crash */
9238 gameMode = nextGameMode;
9239 sprintf(buf, _("Match %s vs. %s: final score %d-%d-%d"),
9240 first.tidy, second.tidy,
9241 first.matchWins, second.matchWins,
9242 appData.matchGames - (first.matchWins + second.matchWins));
9243 DisplayFatalError(buf, 0, 0);
9246 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
9247 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
9249 gameMode = nextGameMode;
9251 endingGame = 0; /* [HGM] crash */
9254 /* Assumes program was just initialized (initString sent).
9255 Leaves program in force mode. */
9257 FeedMovesToProgram(cps, upto)
9258 ChessProgramState *cps;
9263 if (appData.debugMode)
9264 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
9265 startedFromSetupPosition ? "position and " : "",
9266 backwardMostMove, upto, cps->which);
9267 if(currentlyInitializedVariant != gameInfo.variant) { char buf[MSG_SIZ];
9268 // [HGM] variantswitch: make engine aware of new variant
9269 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
9270 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
9271 sprintf(buf, "variant %s\n", VariantName(gameInfo.variant));
9272 SendToProgram(buf, cps);
9273 currentlyInitializedVariant = gameInfo.variant;
9275 SendToProgram("force\n", cps);
9276 if (startedFromSetupPosition) {
9277 SendBoard(cps, backwardMostMove);
9278 if (appData.debugMode) {
9279 fprintf(debugFP, "feedMoves\n");
9282 for (i = backwardMostMove; i < upto; i++) {
9283 SendMoveToProgram(i, cps);
9289 ResurrectChessProgram()
9291 /* The chess program may have exited.
9292 If so, restart it and feed it all the moves made so far. */
9294 if (appData.noChessProgram || first.pr != NoProc) return;
9296 StartChessProgram(&first);
9297 InitChessProgram(&first, FALSE);
9298 FeedMovesToProgram(&first, currentMove);
9300 if (!first.sendTime) {
9301 /* can't tell gnuchess what its clock should read,
9302 so we bow to its notion. */
9304 timeRemaining[0][currentMove] = whiteTimeRemaining;
9305 timeRemaining[1][currentMove] = blackTimeRemaining;
9308 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
9309 appData.icsEngineAnalyze) && first.analysisSupport) {
9310 SendToProgram("analyze\n", &first);
9311 first.analyzing = TRUE;
9324 if (appData.debugMode) {
9325 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
9326 redraw, init, gameMode);
9328 CleanupTail(); // [HGM] vari: delete any stored variations
9329 pausing = pauseExamInvalid = FALSE;
9330 startedFromSetupPosition = blackPlaysFirst = FALSE;
9332 whiteFlag = blackFlag = FALSE;
9333 userOfferedDraw = FALSE;
9334 hintRequested = bookRequested = FALSE;
9335 first.maybeThinking = FALSE;
9336 second.maybeThinking = FALSE;
9337 first.bookSuspend = FALSE; // [HGM] book
9338 second.bookSuspend = FALSE;
9339 thinkOutput[0] = NULLCHAR;
9340 lastHint[0] = NULLCHAR;
9341 ClearGameInfo(&gameInfo);
9342 gameInfo.variant = StringToVariant(appData.variant);
9343 ics_user_moved = ics_clock_paused = FALSE;
9344 ics_getting_history = H_FALSE;
9346 white_holding[0] = black_holding[0] = NULLCHAR;
9347 ClearProgramStats();
9348 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
9352 flipView = appData.flipView;
9353 ClearPremoveHighlights();
9355 alarmSounded = FALSE;
9357 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
9358 if(appData.serverMovesName != NULL) {
9359 /* [HGM] prepare to make moves file for broadcasting */
9360 clock_t t = clock();
9361 if(serverMoves != NULL) fclose(serverMoves);
9362 serverMoves = fopen(appData.serverMovesName, "r");
9363 if(serverMoves != NULL) {
9364 fclose(serverMoves);
9365 /* delay 15 sec before overwriting, so all clients can see end */
9366 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
9368 serverMoves = fopen(appData.serverMovesName, "w");
9372 gameMode = BeginningOfGame;
9374 if(appData.icsActive) gameInfo.variant = VariantNormal;
9375 currentMove = forwardMostMove = backwardMostMove = 0;
9376 InitPosition(redraw);
9377 for (i = 0; i < MAX_MOVES; i++) {
9378 if (commentList[i] != NULL) {
9379 free(commentList[i]);
9380 commentList[i] = NULL;
9384 timeRemaining[0][0] = whiteTimeRemaining;
9385 timeRemaining[1][0] = blackTimeRemaining;
9386 if (first.pr == NULL) {
9387 StartChessProgram(&first);
9390 InitChessProgram(&first, startedFromSetupPosition);
9393 DisplayMessage("", "");
9394 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9395 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
9402 if (!AutoPlayOneMove())
9404 if (matchMode || appData.timeDelay == 0)
9406 if (appData.timeDelay < 0 || gameMode == AnalyzeFile)
9408 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
9417 int fromX, fromY, toX, toY;
9419 if (appData.debugMode) {
9420 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
9423 if (gameMode != PlayFromGameFile)
9426 if (currentMove >= forwardMostMove) {
9427 gameMode = EditGame;
9430 /* [AS] Clear current move marker at the end of a game */
9431 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
9436 toX = moveList[currentMove][2] - AAA;
9437 toY = moveList[currentMove][3] - ONE;
9439 if (moveList[currentMove][1] == '@') {
9440 if (appData.highlightLastMove) {
9441 SetHighlights(-1, -1, toX, toY);
9444 fromX = moveList[currentMove][0] - AAA;
9445 fromY = moveList[currentMove][1] - ONE;
9447 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
9449 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
9451 if (appData.highlightLastMove) {
9452 SetHighlights(fromX, fromY, toX, toY);
9455 DisplayMove(currentMove);
9456 SendMoveToProgram(currentMove++, &first);
9457 DisplayBothClocks();
9458 DrawPosition(FALSE, boards[currentMove]);
9459 // [HGM] PV info: always display, routine tests if empty
9460 DisplayComment(currentMove - 1, commentList[currentMove]);
9466 LoadGameOneMove(readAhead)
9467 ChessMove readAhead;
9469 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
9470 char promoChar = NULLCHAR;
9475 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
9476 gameMode != AnalyzeMode && gameMode != Training) {
9481 yyboardindex = forwardMostMove;
9482 if (readAhead != (ChessMove)0) {
9483 moveType = readAhead;
9485 if (gameFileFP == NULL)
9487 moveType = (ChessMove) yylex();
9493 if (appData.debugMode)
9494 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9497 /* append the comment but don't display it */
9498 AppendComment(currentMove, p, FALSE);
9501 case WhiteCapturesEnPassant:
9502 case BlackCapturesEnPassant:
9503 case WhitePromotionChancellor:
9504 case BlackPromotionChancellor:
9505 case WhitePromotionArchbishop:
9506 case BlackPromotionArchbishop:
9507 case WhitePromotionCentaur:
9508 case BlackPromotionCentaur:
9509 case WhitePromotionQueen:
9510 case BlackPromotionQueen:
9511 case WhitePromotionRook:
9512 case BlackPromotionRook:
9513 case WhitePromotionBishop:
9514 case BlackPromotionBishop:
9515 case WhitePromotionKnight:
9516 case BlackPromotionKnight:
9517 case WhitePromotionKing:
9518 case BlackPromotionKing:
9520 case WhiteKingSideCastle:
9521 case WhiteQueenSideCastle:
9522 case BlackKingSideCastle:
9523 case BlackQueenSideCastle:
9524 case WhiteKingSideCastleWild:
9525 case WhiteQueenSideCastleWild:
9526 case BlackKingSideCastleWild:
9527 case BlackQueenSideCastleWild:
9529 case WhiteHSideCastleFR:
9530 case WhiteASideCastleFR:
9531 case BlackHSideCastleFR:
9532 case BlackASideCastleFR:
9534 if (appData.debugMode)
9535 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9536 fromX = currentMoveString[0] - AAA;
9537 fromY = currentMoveString[1] - ONE;
9538 toX = currentMoveString[2] - AAA;
9539 toY = currentMoveString[3] - ONE;
9540 promoChar = currentMoveString[4];
9545 if (appData.debugMode)
9546 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9547 fromX = moveType == WhiteDrop ?
9548 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9549 (int) CharToPiece(ToLower(currentMoveString[0]));
9551 toX = currentMoveString[2] - AAA;
9552 toY = currentMoveString[3] - ONE;
9558 case GameUnfinished:
9559 if (appData.debugMode)
9560 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
9561 p = strchr(yy_text, '{');
9562 if (p == NULL) p = strchr(yy_text, '(');
9565 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9567 q = strchr(p, *p == '{' ? '}' : ')');
9568 if (q != NULL) *q = NULLCHAR;
9571 GameEnds(moveType, p, GE_FILE);
9573 if (cmailMsgLoaded) {
9575 flipView = WhiteOnMove(currentMove);
9576 if (moveType == GameUnfinished) flipView = !flipView;
9577 if (appData.debugMode)
9578 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
9582 case (ChessMove) 0: /* end of file */
9583 if (appData.debugMode)
9584 fprintf(debugFP, "Parser hit end of file\n");
9585 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9591 if (WhiteOnMove(currentMove)) {
9592 GameEnds(BlackWins, "Black mates", GE_FILE);
9594 GameEnds(WhiteWins, "White mates", GE_FILE);
9598 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9605 if (lastLoadGameStart == GNUChessGame) {
9606 /* GNUChessGames have numbers, but they aren't move numbers */
9607 if (appData.debugMode)
9608 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9609 yy_text, (int) moveType);
9610 return LoadGameOneMove((ChessMove)0); /* tail recursion */
9612 /* else fall thru */
9617 /* Reached start of next game in file */
9618 if (appData.debugMode)
9619 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
9620 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9626 if (WhiteOnMove(currentMove)) {
9627 GameEnds(BlackWins, "Black mates", GE_FILE);
9629 GameEnds(WhiteWins, "White mates", GE_FILE);
9633 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9639 case PositionDiagram: /* should not happen; ignore */
9640 case ElapsedTime: /* ignore */
9641 case NAG: /* ignore */
9642 if (appData.debugMode)
9643 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9644 yy_text, (int) moveType);
9645 return LoadGameOneMove((ChessMove)0); /* tail recursion */
9648 if (appData.testLegality) {
9649 if (appData.debugMode)
9650 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
9651 sprintf(move, _("Illegal move: %d.%s%s"),
9652 (forwardMostMove / 2) + 1,
9653 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9654 DisplayError(move, 0);
9657 if (appData.debugMode)
9658 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
9659 yy_text, currentMoveString);
9660 fromX = currentMoveString[0] - AAA;
9661 fromY = currentMoveString[1] - ONE;
9662 toX = currentMoveString[2] - AAA;
9663 toY = currentMoveString[3] - ONE;
9664 promoChar = currentMoveString[4];
9669 if (appData.debugMode)
9670 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
9671 sprintf(move, _("Ambiguous move: %d.%s%s"),
9672 (forwardMostMove / 2) + 1,
9673 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9674 DisplayError(move, 0);
9679 case ImpossibleMove:
9680 if (appData.debugMode)
9681 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
9682 sprintf(move, _("Illegal move: %d.%s%s"),
9683 (forwardMostMove / 2) + 1,
9684 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9685 DisplayError(move, 0);
9691 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
9692 DrawPosition(FALSE, boards[currentMove]);
9693 DisplayBothClocks();
9694 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
9695 DisplayComment(currentMove - 1, commentList[currentMove]);
9697 (void) StopLoadGameTimer();
9699 cmailOldMove = forwardMostMove;
9702 /* currentMoveString is set as a side-effect of yylex */
9703 strcat(currentMoveString, "\n");
9704 strcpy(moveList[forwardMostMove], currentMoveString);
9706 thinkOutput[0] = NULLCHAR;
9707 MakeMove(fromX, fromY, toX, toY, promoChar);
9708 currentMove = forwardMostMove;
9713 /* Load the nth game from the given file */
9715 LoadGameFromFile(filename, n, title, useList)
9719 /*Boolean*/ int useList;
9724 if (strcmp(filename, "-") == 0) {
9728 f = fopen(filename, "rb");
9730 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9731 DisplayError(buf, errno);
9735 if (fseek(f, 0, 0) == -1) {
9736 /* f is not seekable; probably a pipe */
9739 if (useList && n == 0) {
9740 int error = GameListBuild(f);
9742 DisplayError(_("Cannot build game list"), error);
9743 } else if (!ListEmpty(&gameList) &&
9744 ((ListGame *) gameList.tailPred)->number > 1) {
9745 GameListPopUp(f, title);
9752 return LoadGame(f, n, title, FALSE);
9757 MakeRegisteredMove()
9759 int fromX, fromY, toX, toY;
9761 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9762 switch (cmailMoveType[lastLoadGameNumber - 1]) {
9765 if (appData.debugMode)
9766 fprintf(debugFP, "Restoring %s for game %d\n",
9767 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
9769 thinkOutput[0] = NULLCHAR;
9770 strcpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1]);
9771 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
9772 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
9773 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
9774 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
9775 promoChar = cmailMove[lastLoadGameNumber - 1][4];
9776 MakeMove(fromX, fromY, toX, toY, promoChar);
9777 ShowMove(fromX, fromY, toX, toY);
9779 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9786 if (WhiteOnMove(currentMove)) {
9787 GameEnds(BlackWins, "Black mates", GE_PLAYER);
9789 GameEnds(WhiteWins, "White mates", GE_PLAYER);
9794 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
9801 if (WhiteOnMove(currentMove)) {
9802 GameEnds(BlackWins, "White resigns", GE_PLAYER);
9804 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
9809 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
9820 /* Wrapper around LoadGame for use when a Cmail message is loaded */
9822 CmailLoadGame(f, gameNumber, title, useList)
9830 if (gameNumber > nCmailGames) {
9831 DisplayError(_("No more games in this message"), 0);
9834 if (f == lastLoadGameFP) {
9835 int offset = gameNumber - lastLoadGameNumber;
9837 cmailMsg[0] = NULLCHAR;
9838 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9839 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
9840 nCmailMovesRegistered--;
9842 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
9843 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
9844 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
9847 if (! RegisterMove()) return FALSE;
9851 retVal = LoadGame(f, gameNumber, title, useList);
9853 /* Make move registered during previous look at this game, if any */
9854 MakeRegisteredMove();
9856 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
9857 commentList[currentMove]
9858 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
9859 DisplayComment(currentMove - 1, commentList[currentMove]);
9865 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
9870 int gameNumber = lastLoadGameNumber + offset;
9871 if (lastLoadGameFP == NULL) {
9872 DisplayError(_("No game has been loaded yet"), 0);
9875 if (gameNumber <= 0) {
9876 DisplayError(_("Can't back up any further"), 0);
9879 if (cmailMsgLoaded) {
9880 return CmailLoadGame(lastLoadGameFP, gameNumber,
9881 lastLoadGameTitle, lastLoadGameUseList);
9883 return LoadGame(lastLoadGameFP, gameNumber,
9884 lastLoadGameTitle, lastLoadGameUseList);
9890 /* Load the nth game from open file f */
9892 LoadGame(f, gameNumber, title, useList)
9900 int gn = gameNumber;
9901 ListGame *lg = NULL;
9904 GameMode oldGameMode;
9905 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
9907 if (appData.debugMode)
9908 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
9910 if (gameMode == Training )
9911 SetTrainingModeOff();
9913 oldGameMode = gameMode;
9914 if (gameMode != BeginningOfGame) {
9919 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
9920 fclose(lastLoadGameFP);
9924 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
9927 fseek(f, lg->offset, 0);
9928 GameListHighlight(gameNumber);
9932 DisplayError(_("Game number out of range"), 0);
9937 if (fseek(f, 0, 0) == -1) {
9938 if (f == lastLoadGameFP ?
9939 gameNumber == lastLoadGameNumber + 1 :
9943 DisplayError(_("Can't seek on game file"), 0);
9949 lastLoadGameNumber = gameNumber;
9950 strcpy(lastLoadGameTitle, title);
9951 lastLoadGameUseList = useList;
9955 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
9956 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
9957 lg->gameInfo.black);
9959 } else if (*title != NULLCHAR) {
9960 if (gameNumber > 1) {
9961 sprintf(buf, "%s %d", title, gameNumber);
9964 DisplayTitle(title);
9968 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
9969 gameMode = PlayFromGameFile;
9973 currentMove = forwardMostMove = backwardMostMove = 0;
9974 CopyBoard(boards[0], initialPosition);
9978 * Skip the first gn-1 games in the file.
9979 * Also skip over anything that precedes an identifiable
9980 * start of game marker, to avoid being confused by
9981 * garbage at the start of the file. Currently
9982 * recognized start of game markers are the move number "1",
9983 * the pattern "gnuchess .* game", the pattern
9984 * "^[#;%] [^ ]* game file", and a PGN tag block.
9985 * A game that starts with one of the latter two patterns
9986 * will also have a move number 1, possibly
9987 * following a position diagram.
9988 * 5-4-02: Let's try being more lenient and allowing a game to
9989 * start with an unnumbered move. Does that break anything?
9991 cm = lastLoadGameStart = (ChessMove) 0;
9993 yyboardindex = forwardMostMove;
9994 cm = (ChessMove) yylex();
9997 if (cmailMsgLoaded) {
9998 nCmailGames = CMAIL_MAX_GAMES - gn;
10001 DisplayError(_("Game not found in file"), 0);
10008 lastLoadGameStart = cm;
10011 case MoveNumberOne:
10012 switch (lastLoadGameStart) {
10017 case MoveNumberOne:
10018 case (ChessMove) 0:
10019 gn--; /* count this game */
10020 lastLoadGameStart = cm;
10029 switch (lastLoadGameStart) {
10032 case MoveNumberOne:
10033 case (ChessMove) 0:
10034 gn--; /* count this game */
10035 lastLoadGameStart = cm;
10038 lastLoadGameStart = cm; /* game counted already */
10046 yyboardindex = forwardMostMove;
10047 cm = (ChessMove) yylex();
10048 } while (cm == PGNTag || cm == Comment);
10055 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
10056 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
10057 != CMAIL_OLD_RESULT) {
10059 cmailResult[ CMAIL_MAX_GAMES
10060 - gn - 1] = CMAIL_OLD_RESULT;
10066 /* Only a NormalMove can be at the start of a game
10067 * without a position diagram. */
10068 if (lastLoadGameStart == (ChessMove) 0) {
10070 lastLoadGameStart = MoveNumberOne;
10079 if (appData.debugMode)
10080 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
10082 if (cm == XBoardGame) {
10083 /* Skip any header junk before position diagram and/or move 1 */
10085 yyboardindex = forwardMostMove;
10086 cm = (ChessMove) yylex();
10088 if (cm == (ChessMove) 0 ||
10089 cm == GNUChessGame || cm == XBoardGame) {
10090 /* Empty game; pretend end-of-file and handle later */
10091 cm = (ChessMove) 0;
10095 if (cm == MoveNumberOne || cm == PositionDiagram ||
10096 cm == PGNTag || cm == Comment)
10099 } else if (cm == GNUChessGame) {
10100 if (gameInfo.event != NULL) {
10101 free(gameInfo.event);
10103 gameInfo.event = StrSave(yy_text);
10106 startedFromSetupPosition = FALSE;
10107 while (cm == PGNTag) {
10108 if (appData.debugMode)
10109 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
10110 err = ParsePGNTag(yy_text, &gameInfo);
10111 if (!err) numPGNTags++;
10113 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
10114 if(gameInfo.variant != oldVariant) {
10115 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
10116 InitPosition(TRUE);
10117 oldVariant = gameInfo.variant;
10118 if (appData.debugMode)
10119 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
10123 if (gameInfo.fen != NULL) {
10124 Board initial_position;
10125 startedFromSetupPosition = TRUE;
10126 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
10128 DisplayError(_("Bad FEN position in file"), 0);
10131 CopyBoard(boards[0], initial_position);
10132 if (blackPlaysFirst) {
10133 currentMove = forwardMostMove = backwardMostMove = 1;
10134 CopyBoard(boards[1], initial_position);
10135 strcpy(moveList[0], "");
10136 strcpy(parseList[0], "");
10137 timeRemaining[0][1] = whiteTimeRemaining;
10138 timeRemaining[1][1] = blackTimeRemaining;
10139 if (commentList[0] != NULL) {
10140 commentList[1] = commentList[0];
10141 commentList[0] = NULL;
10144 currentMove = forwardMostMove = backwardMostMove = 0;
10146 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
10148 initialRulePlies = FENrulePlies;
10149 for( i=0; i< nrCastlingRights; i++ )
10150 initialRights[i] = initial_position[CASTLING][i];
10152 yyboardindex = forwardMostMove;
10153 free(gameInfo.fen);
10154 gameInfo.fen = NULL;
10157 yyboardindex = forwardMostMove;
10158 cm = (ChessMove) yylex();
10160 /* Handle comments interspersed among the tags */
10161 while (cm == Comment) {
10163 if (appData.debugMode)
10164 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10166 AppendComment(currentMove, p, FALSE);
10167 yyboardindex = forwardMostMove;
10168 cm = (ChessMove) yylex();
10172 /* don't rely on existence of Event tag since if game was
10173 * pasted from clipboard the Event tag may not exist
10175 if (numPGNTags > 0){
10177 if (gameInfo.variant == VariantNormal) {
10178 gameInfo.variant = StringToVariant(gameInfo.event);
10181 if( appData.autoDisplayTags ) {
10182 tags = PGNTags(&gameInfo);
10183 TagsPopUp(tags, CmailMsg());
10188 /* Make something up, but don't display it now */
10193 if (cm == PositionDiagram) {
10196 Board initial_position;
10198 if (appData.debugMode)
10199 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
10201 if (!startedFromSetupPosition) {
10203 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
10204 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
10214 initial_position[i][j++] = CharToPiece(*p);
10217 while (*p == ' ' || *p == '\t' ||
10218 *p == '\n' || *p == '\r') p++;
10220 if (strncmp(p, "black", strlen("black"))==0)
10221 blackPlaysFirst = TRUE;
10223 blackPlaysFirst = FALSE;
10224 startedFromSetupPosition = TRUE;
10226 CopyBoard(boards[0], initial_position);
10227 if (blackPlaysFirst) {
10228 currentMove = forwardMostMove = backwardMostMove = 1;
10229 CopyBoard(boards[1], initial_position);
10230 strcpy(moveList[0], "");
10231 strcpy(parseList[0], "");
10232 timeRemaining[0][1] = whiteTimeRemaining;
10233 timeRemaining[1][1] = blackTimeRemaining;
10234 if (commentList[0] != NULL) {
10235 commentList[1] = commentList[0];
10236 commentList[0] = NULL;
10239 currentMove = forwardMostMove = backwardMostMove = 0;
10242 yyboardindex = forwardMostMove;
10243 cm = (ChessMove) yylex();
10246 if (first.pr == NoProc) {
10247 StartChessProgram(&first);
10249 InitChessProgram(&first, FALSE);
10250 SendToProgram("force\n", &first);
10251 if (startedFromSetupPosition) {
10252 SendBoard(&first, forwardMostMove);
10253 if (appData.debugMode) {
10254 fprintf(debugFP, "Load Game\n");
10256 DisplayBothClocks();
10259 /* [HGM] server: flag to write setup moves in broadcast file as one */
10260 loadFlag = appData.suppressLoadMoves;
10262 while (cm == Comment) {
10264 if (appData.debugMode)
10265 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10267 AppendComment(currentMove, p, FALSE);
10268 yyboardindex = forwardMostMove;
10269 cm = (ChessMove) yylex();
10272 if ((cm == (ChessMove) 0 && lastLoadGameStart != (ChessMove) 0) ||
10273 cm == WhiteWins || cm == BlackWins ||
10274 cm == GameIsDrawn || cm == GameUnfinished) {
10275 DisplayMessage("", _("No moves in game"));
10276 if (cmailMsgLoaded) {
10277 if (appData.debugMode)
10278 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
10282 DrawPosition(FALSE, boards[currentMove]);
10283 DisplayBothClocks();
10284 gameMode = EditGame;
10291 // [HGM] PV info: routine tests if comment empty
10292 if (!matchMode && (pausing || appData.timeDelay != 0)) {
10293 DisplayComment(currentMove - 1, commentList[currentMove]);
10295 if (!matchMode && appData.timeDelay != 0)
10296 DrawPosition(FALSE, boards[currentMove]);
10298 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
10299 programStats.ok_to_send = 1;
10302 /* if the first token after the PGN tags is a move
10303 * and not move number 1, retrieve it from the parser
10305 if (cm != MoveNumberOne)
10306 LoadGameOneMove(cm);
10308 /* load the remaining moves from the file */
10309 while (LoadGameOneMove((ChessMove)0)) {
10310 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10311 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10314 /* rewind to the start of the game */
10315 currentMove = backwardMostMove;
10317 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10319 if (oldGameMode == AnalyzeFile ||
10320 oldGameMode == AnalyzeMode) {
10321 AnalyzeFileEvent();
10324 if (matchMode || appData.timeDelay == 0) {
10326 gameMode = EditGame;
10328 } else if (appData.timeDelay > 0) {
10329 AutoPlayGameLoop();
10332 if (appData.debugMode)
10333 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
10335 loadFlag = 0; /* [HGM] true game starts */
10339 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
10341 ReloadPosition(offset)
10344 int positionNumber = lastLoadPositionNumber + offset;
10345 if (lastLoadPositionFP == NULL) {
10346 DisplayError(_("No position has been loaded yet"), 0);
10349 if (positionNumber <= 0) {
10350 DisplayError(_("Can't back up any further"), 0);
10353 return LoadPosition(lastLoadPositionFP, positionNumber,
10354 lastLoadPositionTitle);
10357 /* Load the nth position from the given file */
10359 LoadPositionFromFile(filename, n, title)
10367 if (strcmp(filename, "-") == 0) {
10368 return LoadPosition(stdin, n, "stdin");
10370 f = fopen(filename, "rb");
10372 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10373 DisplayError(buf, errno);
10376 return LoadPosition(f, n, title);
10381 /* Load the nth position from the given open file, and close it */
10383 LoadPosition(f, positionNumber, title)
10385 int positionNumber;
10388 char *p, line[MSG_SIZ];
10389 Board initial_position;
10390 int i, j, fenMode, pn;
10392 if (gameMode == Training )
10393 SetTrainingModeOff();
10395 if (gameMode != BeginningOfGame) {
10396 Reset(FALSE, TRUE);
10398 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
10399 fclose(lastLoadPositionFP);
10401 if (positionNumber == 0) positionNumber = 1;
10402 lastLoadPositionFP = f;
10403 lastLoadPositionNumber = positionNumber;
10404 strcpy(lastLoadPositionTitle, title);
10405 if (first.pr == NoProc) {
10406 StartChessProgram(&first);
10407 InitChessProgram(&first, FALSE);
10409 pn = positionNumber;
10410 if (positionNumber < 0) {
10411 /* Negative position number means to seek to that byte offset */
10412 if (fseek(f, -positionNumber, 0) == -1) {
10413 DisplayError(_("Can't seek on position file"), 0);
10418 if (fseek(f, 0, 0) == -1) {
10419 if (f == lastLoadPositionFP ?
10420 positionNumber == lastLoadPositionNumber + 1 :
10421 positionNumber == 1) {
10424 DisplayError(_("Can't seek on position file"), 0);
10429 /* See if this file is FEN or old-style xboard */
10430 if (fgets(line, MSG_SIZ, f) == NULL) {
10431 DisplayError(_("Position not found in file"), 0);
10434 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
10435 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
10438 if (fenMode || line[0] == '#') pn--;
10440 /* skip positions before number pn */
10441 if (fgets(line, MSG_SIZ, f) == NULL) {
10443 DisplayError(_("Position not found in file"), 0);
10446 if (fenMode || line[0] == '#') pn--;
10451 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
10452 DisplayError(_("Bad FEN position in file"), 0);
10456 (void) fgets(line, MSG_SIZ, f);
10457 (void) fgets(line, MSG_SIZ, f);
10459 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
10460 (void) fgets(line, MSG_SIZ, f);
10461 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
10464 initial_position[i][j++] = CharToPiece(*p);
10468 blackPlaysFirst = FALSE;
10470 (void) fgets(line, MSG_SIZ, f);
10471 if (strncmp(line, "black", strlen("black"))==0)
10472 blackPlaysFirst = TRUE;
10475 startedFromSetupPosition = TRUE;
10477 SendToProgram("force\n", &first);
10478 CopyBoard(boards[0], initial_position);
10479 if (blackPlaysFirst) {
10480 currentMove = forwardMostMove = backwardMostMove = 1;
10481 strcpy(moveList[0], "");
10482 strcpy(parseList[0], "");
10483 CopyBoard(boards[1], initial_position);
10484 DisplayMessage("", _("Black to play"));
10486 currentMove = forwardMostMove = backwardMostMove = 0;
10487 DisplayMessage("", _("White to play"));
10489 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
10490 SendBoard(&first, forwardMostMove);
10491 if (appData.debugMode) {
10493 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
10494 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
10495 fprintf(debugFP, "Load Position\n");
10498 if (positionNumber > 1) {
10499 sprintf(line, "%s %d", title, positionNumber);
10500 DisplayTitle(line);
10502 DisplayTitle(title);
10504 gameMode = EditGame;
10507 timeRemaining[0][1] = whiteTimeRemaining;
10508 timeRemaining[1][1] = blackTimeRemaining;
10509 DrawPosition(FALSE, boards[currentMove]);
10516 CopyPlayerNameIntoFileName(dest, src)
10519 while (*src != NULLCHAR && *src != ',') {
10524 *(*dest)++ = *src++;
10529 char *DefaultFileName(ext)
10532 static char def[MSG_SIZ];
10535 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
10537 CopyPlayerNameIntoFileName(&p, gameInfo.white);
10539 CopyPlayerNameIntoFileName(&p, gameInfo.black);
10548 /* Save the current game to the given file */
10550 SaveGameToFile(filename, append)
10557 if (strcmp(filename, "-") == 0) {
10558 return SaveGame(stdout, 0, NULL);
10560 f = fopen(filename, append ? "a" : "w");
10562 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10563 DisplayError(buf, errno);
10566 return SaveGame(f, 0, NULL);
10575 static char buf[MSG_SIZ];
10578 p = strchr(str, ' ');
10579 if (p == NULL) return str;
10580 strncpy(buf, str, p - str);
10581 buf[p - str] = NULLCHAR;
10585 #define PGN_MAX_LINE 75
10587 #define PGN_SIDE_WHITE 0
10588 #define PGN_SIDE_BLACK 1
10591 static int FindFirstMoveOutOfBook( int side )
10595 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
10596 int index = backwardMostMove;
10597 int has_book_hit = 0;
10599 if( (index % 2) != side ) {
10603 while( index < forwardMostMove ) {
10604 /* Check to see if engine is in book */
10605 int depth = pvInfoList[index].depth;
10606 int score = pvInfoList[index].score;
10612 else if( score == 0 && depth == 63 ) {
10613 in_book = 1; /* Zappa */
10615 else if( score == 2 && depth == 99 ) {
10616 in_book = 1; /* Abrok */
10619 has_book_hit += in_book;
10635 void GetOutOfBookInfo( char * buf )
10639 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10641 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
10642 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
10646 if( oob[0] >= 0 || oob[1] >= 0 ) {
10647 for( i=0; i<2; i++ ) {
10651 if( i > 0 && oob[0] >= 0 ) {
10652 strcat( buf, " " );
10655 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
10656 sprintf( buf+strlen(buf), "%s%.2f",
10657 pvInfoList[idx].score >= 0 ? "+" : "",
10658 pvInfoList[idx].score / 100.0 );
10664 /* Save game in PGN style and close the file */
10669 int i, offset, linelen, newblock;
10673 int movelen, numlen, blank;
10674 char move_buffer[100]; /* [AS] Buffer for move+PV info */
10676 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10678 tm = time((time_t *) NULL);
10680 PrintPGNTags(f, &gameInfo);
10682 if (backwardMostMove > 0 || startedFromSetupPosition) {
10683 char *fen = PositionToFEN(backwardMostMove, NULL);
10684 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
10685 fprintf(f, "\n{--------------\n");
10686 PrintPosition(f, backwardMostMove);
10687 fprintf(f, "--------------}\n");
10691 /* [AS] Out of book annotation */
10692 if( appData.saveOutOfBookInfo ) {
10695 GetOutOfBookInfo( buf );
10697 if( buf[0] != '\0' ) {
10698 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
10705 i = backwardMostMove;
10709 while (i < forwardMostMove) {
10710 /* Print comments preceding this move */
10711 if (commentList[i] != NULL) {
10712 if (linelen > 0) fprintf(f, "\n");
10713 fprintf(f, "%s", commentList[i]);
10718 /* Format move number */
10719 if ((i % 2) == 0) {
10720 sprintf(numtext, "%d.", (i - offset)/2 + 1);
10723 sprintf(numtext, "%d...", (i - offset)/2 + 1);
10725 numtext[0] = NULLCHAR;
10728 numlen = strlen(numtext);
10731 /* Print move number */
10732 blank = linelen > 0 && numlen > 0;
10733 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
10742 fprintf(f, "%s", numtext);
10746 strcpy(move_buffer, SavePart(parseList[i])); // [HGM] pgn: print move via buffer, so it can be edited
10747 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
10750 blank = linelen > 0 && movelen > 0;
10751 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10760 fprintf(f, "%s", move_buffer);
10761 linelen += movelen;
10763 /* [AS] Add PV info if present */
10764 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
10765 /* [HGM] add time */
10766 char buf[MSG_SIZ]; int seconds;
10768 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
10770 if( seconds <= 0) buf[0] = 0; else
10771 if( seconds < 30 ) sprintf(buf, " %3.1f%c", seconds/10., 0); else {
10772 seconds = (seconds + 4)/10; // round to full seconds
10773 if( seconds < 60 ) sprintf(buf, " %d%c", seconds, 0); else
10774 sprintf(buf, " %d:%02d%c", seconds/60, seconds%60, 0);
10777 sprintf( move_buffer, "{%s%.2f/%d%s}",
10778 pvInfoList[i].score >= 0 ? "+" : "",
10779 pvInfoList[i].score / 100.0,
10780 pvInfoList[i].depth,
10783 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
10785 /* Print score/depth */
10786 blank = linelen > 0 && movelen > 0;
10787 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10796 fprintf(f, "%s", move_buffer);
10797 linelen += movelen;
10803 /* Start a new line */
10804 if (linelen > 0) fprintf(f, "\n");
10806 /* Print comments after last move */
10807 if (commentList[i] != NULL) {
10808 fprintf(f, "%s\n", commentList[i]);
10812 if (gameInfo.resultDetails != NULL &&
10813 gameInfo.resultDetails[0] != NULLCHAR) {
10814 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
10815 PGNResult(gameInfo.result));
10817 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10821 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10825 /* Save game in old style and close the file */
10827 SaveGameOldStyle(f)
10833 tm = time((time_t *) NULL);
10835 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
10838 if (backwardMostMove > 0 || startedFromSetupPosition) {
10839 fprintf(f, "\n[--------------\n");
10840 PrintPosition(f, backwardMostMove);
10841 fprintf(f, "--------------]\n");
10846 i = backwardMostMove;
10847 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10849 while (i < forwardMostMove) {
10850 if (commentList[i] != NULL) {
10851 fprintf(f, "[%s]\n", commentList[i]);
10854 if ((i % 2) == 1) {
10855 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
10858 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
10860 if (commentList[i] != NULL) {
10864 if (i >= forwardMostMove) {
10868 fprintf(f, "%s\n", parseList[i]);
10873 if (commentList[i] != NULL) {
10874 fprintf(f, "[%s]\n", commentList[i]);
10877 /* This isn't really the old style, but it's close enough */
10878 if (gameInfo.resultDetails != NULL &&
10879 gameInfo.resultDetails[0] != NULLCHAR) {
10880 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
10881 gameInfo.resultDetails);
10883 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10890 /* Save the current game to open file f and close the file */
10892 SaveGame(f, dummy, dummy2)
10897 if (gameMode == EditPosition) EditPositionDone(TRUE);
10898 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10899 if (appData.oldSaveStyle)
10900 return SaveGameOldStyle(f);
10902 return SaveGamePGN(f);
10905 /* Save the current position to the given file */
10907 SavePositionToFile(filename)
10913 if (strcmp(filename, "-") == 0) {
10914 return SavePosition(stdout, 0, NULL);
10916 f = fopen(filename, "a");
10918 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10919 DisplayError(buf, errno);
10922 SavePosition(f, 0, NULL);
10928 /* Save the current position to the given open file and close the file */
10930 SavePosition(f, dummy, dummy2)
10938 if (gameMode == EditPosition) EditPositionDone(TRUE);
10939 if (appData.oldSaveStyle) {
10940 tm = time((time_t *) NULL);
10942 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
10944 fprintf(f, "[--------------\n");
10945 PrintPosition(f, currentMove);
10946 fprintf(f, "--------------]\n");
10948 fen = PositionToFEN(currentMove, NULL);
10949 fprintf(f, "%s\n", fen);
10957 ReloadCmailMsgEvent(unregister)
10961 static char *inFilename = NULL;
10962 static char *outFilename;
10964 struct stat inbuf, outbuf;
10967 /* Any registered moves are unregistered if unregister is set, */
10968 /* i.e. invoked by the signal handler */
10970 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
10971 cmailMoveRegistered[i] = FALSE;
10972 if (cmailCommentList[i] != NULL) {
10973 free(cmailCommentList[i]);
10974 cmailCommentList[i] = NULL;
10977 nCmailMovesRegistered = 0;
10980 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
10981 cmailResult[i] = CMAIL_NOT_RESULT;
10985 if (inFilename == NULL) {
10986 /* Because the filenames are static they only get malloced once */
10987 /* and they never get freed */
10988 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
10989 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
10991 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
10992 sprintf(outFilename, "%s.out", appData.cmailGameName);
10995 status = stat(outFilename, &outbuf);
10997 cmailMailedMove = FALSE;
10999 status = stat(inFilename, &inbuf);
11000 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
11003 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
11004 counts the games, notes how each one terminated, etc.
11006 It would be nice to remove this kludge and instead gather all
11007 the information while building the game list. (And to keep it
11008 in the game list nodes instead of having a bunch of fixed-size
11009 parallel arrays.) Note this will require getting each game's
11010 termination from the PGN tags, as the game list builder does
11011 not process the game moves. --mann
11013 cmailMsgLoaded = TRUE;
11014 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
11016 /* Load first game in the file or popup game menu */
11017 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
11019 #endif /* !WIN32 */
11027 char string[MSG_SIZ];
11029 if ( cmailMailedMove
11030 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
11031 return TRUE; /* Allow free viewing */
11034 /* Unregister move to ensure that we don't leave RegisterMove */
11035 /* with the move registered when the conditions for registering no */
11037 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11038 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11039 nCmailMovesRegistered --;
11041 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
11043 free(cmailCommentList[lastLoadGameNumber - 1]);
11044 cmailCommentList[lastLoadGameNumber - 1] = NULL;
11048 if (cmailOldMove == -1) {
11049 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
11053 if (currentMove > cmailOldMove + 1) {
11054 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
11058 if (currentMove < cmailOldMove) {
11059 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
11063 if (forwardMostMove > currentMove) {
11064 /* Silently truncate extra moves */
11068 if ( (currentMove == cmailOldMove + 1)
11069 || ( (currentMove == cmailOldMove)
11070 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
11071 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
11072 if (gameInfo.result != GameUnfinished) {
11073 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
11076 if (commentList[currentMove] != NULL) {
11077 cmailCommentList[lastLoadGameNumber - 1]
11078 = StrSave(commentList[currentMove]);
11080 strcpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1]);
11082 if (appData.debugMode)
11083 fprintf(debugFP, "Saving %s for game %d\n",
11084 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11087 "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
11089 f = fopen(string, "w");
11090 if (appData.oldSaveStyle) {
11091 SaveGameOldStyle(f); /* also closes the file */
11093 sprintf(string, "%s.pos.out", appData.cmailGameName);
11094 f = fopen(string, "w");
11095 SavePosition(f, 0, NULL); /* also closes the file */
11097 fprintf(f, "{--------------\n");
11098 PrintPosition(f, currentMove);
11099 fprintf(f, "--------------}\n\n");
11101 SaveGame(f, 0, NULL); /* also closes the file*/
11104 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
11105 nCmailMovesRegistered ++;
11106 } else if (nCmailGames == 1) {
11107 DisplayError(_("You have not made a move yet"), 0);
11118 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
11119 FILE *commandOutput;
11120 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
11121 int nBytes = 0; /* Suppress warnings on uninitialized variables */
11127 if (! cmailMsgLoaded) {
11128 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
11132 if (nCmailGames == nCmailResults) {
11133 DisplayError(_("No unfinished games"), 0);
11137 #if CMAIL_PROHIBIT_REMAIL
11138 if (cmailMailedMove) {
11139 sprintf(msg, _("You have already mailed a move.\nWait until a move arrives from your opponent.\nTo resend the same move, type\n\"cmail -remail -game %s\"\non the command line."), appData.cmailGameName);
11140 DisplayError(msg, 0);
11145 if (! (cmailMailedMove || RegisterMove())) return;
11147 if ( cmailMailedMove
11148 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
11149 sprintf(string, partCommandString,
11150 appData.debugMode ? " -v" : "", appData.cmailGameName);
11151 commandOutput = popen(string, "r");
11153 if (commandOutput == NULL) {
11154 DisplayError(_("Failed to invoke cmail"), 0);
11156 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
11157 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
11159 if (nBuffers > 1) {
11160 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
11161 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
11162 nBytes = MSG_SIZ - 1;
11164 (void) memcpy(msg, buffer, nBytes);
11166 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
11168 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
11169 cmailMailedMove = TRUE; /* Prevent >1 moves */
11172 for (i = 0; i < nCmailGames; i ++) {
11173 if (cmailResult[i] == CMAIL_NOT_RESULT) {
11178 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
11180 sprintf(buffer, "%s/%s.%s.archive",
11182 appData.cmailGameName,
11184 LoadGameFromFile(buffer, 1, buffer, FALSE);
11185 cmailMsgLoaded = FALSE;
11189 DisplayInformation(msg);
11190 pclose(commandOutput);
11193 if ((*cmailMsg) != '\0') {
11194 DisplayInformation(cmailMsg);
11199 #endif /* !WIN32 */
11208 int prependComma = 0;
11210 char string[MSG_SIZ]; /* Space for game-list */
11213 if (!cmailMsgLoaded) return "";
11215 if (cmailMailedMove) {
11216 sprintf(cmailMsg, _("Waiting for reply from opponent\n"));
11218 /* Create a list of games left */
11219 sprintf(string, "[");
11220 for (i = 0; i < nCmailGames; i ++) {
11221 if (! ( cmailMoveRegistered[i]
11222 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
11223 if (prependComma) {
11224 sprintf(number, ",%d", i + 1);
11226 sprintf(number, "%d", i + 1);
11230 strcat(string, number);
11233 strcat(string, "]");
11235 if (nCmailMovesRegistered + nCmailResults == 0) {
11236 switch (nCmailGames) {
11239 _("Still need to make move for game\n"));
11244 _("Still need to make moves for both games\n"));
11249 _("Still need to make moves for all %d games\n"),
11254 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
11257 _("Still need to make a move for game %s\n"),
11262 if (nCmailResults == nCmailGames) {
11263 sprintf(cmailMsg, _("No unfinished games\n"));
11265 sprintf(cmailMsg, _("Ready to send mail\n"));
11271 _("Still need to make moves for games %s\n"),
11283 if (gameMode == Training)
11284 SetTrainingModeOff();
11287 cmailMsgLoaded = FALSE;
11288 if (appData.icsActive) {
11289 SendToICS(ics_prefix);
11290 SendToICS("refresh\n");
11300 /* Give up on clean exit */
11304 /* Keep trying for clean exit */
11308 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
11310 if (telnetISR != NULL) {
11311 RemoveInputSource(telnetISR);
11313 if (icsPR != NoProc) {
11314 DestroyChildProcess(icsPR, TRUE);
11317 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
11318 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
11320 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
11321 /* make sure this other one finishes before killing it! */
11322 if(endingGame) { int count = 0;
11323 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
11324 while(endingGame && count++ < 10) DoSleep(1);
11325 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
11328 /* Kill off chess programs */
11329 if (first.pr != NoProc) {
11332 DoSleep( appData.delayBeforeQuit );
11333 SendToProgram("quit\n", &first);
11334 DoSleep( appData.delayAfterQuit );
11335 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
11337 if (second.pr != NoProc) {
11338 DoSleep( appData.delayBeforeQuit );
11339 SendToProgram("quit\n", &second);
11340 DoSleep( appData.delayAfterQuit );
11341 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
11343 if (first.isr != NULL) {
11344 RemoveInputSource(first.isr);
11346 if (second.isr != NULL) {
11347 RemoveInputSource(second.isr);
11350 ShutDownFrontEnd();
11357 if (appData.debugMode)
11358 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
11362 if (gameMode == MachinePlaysWhite ||
11363 gameMode == MachinePlaysBlack) {
11366 DisplayBothClocks();
11368 if (gameMode == PlayFromGameFile) {
11369 if (appData.timeDelay >= 0)
11370 AutoPlayGameLoop();
11371 } else if (gameMode == IcsExamining && pauseExamInvalid) {
11372 Reset(FALSE, TRUE);
11373 SendToICS(ics_prefix);
11374 SendToICS("refresh\n");
11375 } else if (currentMove < forwardMostMove) {
11376 ForwardInner(forwardMostMove);
11378 pauseExamInvalid = FALSE;
11380 switch (gameMode) {
11384 pauseExamForwardMostMove = forwardMostMove;
11385 pauseExamInvalid = FALSE;
11388 case IcsPlayingWhite:
11389 case IcsPlayingBlack:
11393 case PlayFromGameFile:
11394 (void) StopLoadGameTimer();
11398 case BeginningOfGame:
11399 if (appData.icsActive) return;
11400 /* else fall through */
11401 case MachinePlaysWhite:
11402 case MachinePlaysBlack:
11403 case TwoMachinesPlay:
11404 if (forwardMostMove == 0)
11405 return; /* don't pause if no one has moved */
11406 if ((gameMode == MachinePlaysWhite &&
11407 !WhiteOnMove(forwardMostMove)) ||
11408 (gameMode == MachinePlaysBlack &&
11409 WhiteOnMove(forwardMostMove))) {
11422 char title[MSG_SIZ];
11424 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
11425 strcpy(title, _("Edit comment"));
11427 sprintf(title, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
11428 WhiteOnMove(currentMove - 1) ? " " : ".. ",
11429 parseList[currentMove - 1]);
11432 EditCommentPopUp(currentMove, title, commentList[currentMove]);
11439 char *tags = PGNTags(&gameInfo);
11440 EditTagsPopUp(tags);
11447 if (appData.noChessProgram || gameMode == AnalyzeMode)
11450 if (gameMode != AnalyzeFile) {
11451 if (!appData.icsEngineAnalyze) {
11453 if (gameMode != EditGame) return;
11455 ResurrectChessProgram();
11456 SendToProgram("analyze\n", &first);
11457 first.analyzing = TRUE;
11458 /*first.maybeThinking = TRUE;*/
11459 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11460 EngineOutputPopUp();
11462 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
11467 StartAnalysisClock();
11468 GetTimeMark(&lastNodeCountTime);
11475 if (appData.noChessProgram || gameMode == AnalyzeFile)
11478 if (gameMode != AnalyzeMode) {
11480 if (gameMode != EditGame) return;
11481 ResurrectChessProgram();
11482 SendToProgram("analyze\n", &first);
11483 first.analyzing = TRUE;
11484 /*first.maybeThinking = TRUE;*/
11485 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11486 EngineOutputPopUp();
11488 gameMode = AnalyzeFile;
11493 StartAnalysisClock();
11494 GetTimeMark(&lastNodeCountTime);
11499 MachineWhiteEvent()
11502 char *bookHit = NULL;
11504 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
11508 if (gameMode == PlayFromGameFile ||
11509 gameMode == TwoMachinesPlay ||
11510 gameMode == Training ||
11511 gameMode == AnalyzeMode ||
11512 gameMode == EndOfGame)
11515 if (gameMode == EditPosition)
11516 EditPositionDone(TRUE);
11518 if (!WhiteOnMove(currentMove)) {
11519 DisplayError(_("It is not White's turn"), 0);
11523 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11526 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11527 gameMode == AnalyzeFile)
11530 ResurrectChessProgram(); /* in case it isn't running */
11531 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
11532 gameMode = MachinePlaysWhite;
11535 gameMode = MachinePlaysWhite;
11539 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11541 if (first.sendName) {
11542 sprintf(buf, "name %s\n", gameInfo.black);
11543 SendToProgram(buf, &first);
11545 if (first.sendTime) {
11546 if (first.useColors) {
11547 SendToProgram("black\n", &first); /*gnu kludge*/
11549 SendTimeRemaining(&first, TRUE);
11551 if (first.useColors) {
11552 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
11554 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11555 SetMachineThinkingEnables();
11556 first.maybeThinking = TRUE;
11560 if (appData.autoFlipView && !flipView) {
11561 flipView = !flipView;
11562 DrawPosition(FALSE, NULL);
11563 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11566 if(bookHit) { // [HGM] book: simulate book reply
11567 static char bookMove[MSG_SIZ]; // a bit generous?
11569 programStats.nodes = programStats.depth = programStats.time =
11570 programStats.score = programStats.got_only_move = 0;
11571 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11573 strcpy(bookMove, "move ");
11574 strcat(bookMove, bookHit);
11575 HandleMachineMove(bookMove, &first);
11580 MachineBlackEvent()
11583 char *bookHit = NULL;
11585 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
11589 if (gameMode == PlayFromGameFile ||
11590 gameMode == TwoMachinesPlay ||
11591 gameMode == Training ||
11592 gameMode == AnalyzeMode ||
11593 gameMode == EndOfGame)
11596 if (gameMode == EditPosition)
11597 EditPositionDone(TRUE);
11599 if (WhiteOnMove(currentMove)) {
11600 DisplayError(_("It is not Black's turn"), 0);
11604 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11607 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11608 gameMode == AnalyzeFile)
11611 ResurrectChessProgram(); /* in case it isn't running */
11612 gameMode = MachinePlaysBlack;
11616 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11618 if (first.sendName) {
11619 sprintf(buf, "name %s\n", gameInfo.white);
11620 SendToProgram(buf, &first);
11622 if (first.sendTime) {
11623 if (first.useColors) {
11624 SendToProgram("white\n", &first); /*gnu kludge*/
11626 SendTimeRemaining(&first, FALSE);
11628 if (first.useColors) {
11629 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
11631 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11632 SetMachineThinkingEnables();
11633 first.maybeThinking = TRUE;
11636 if (appData.autoFlipView && flipView) {
11637 flipView = !flipView;
11638 DrawPosition(FALSE, NULL);
11639 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11641 if(bookHit) { // [HGM] book: simulate book reply
11642 static char bookMove[MSG_SIZ]; // a bit generous?
11644 programStats.nodes = programStats.depth = programStats.time =
11645 programStats.score = programStats.got_only_move = 0;
11646 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11648 strcpy(bookMove, "move ");
11649 strcat(bookMove, bookHit);
11650 HandleMachineMove(bookMove, &first);
11656 DisplayTwoMachinesTitle()
11659 if (appData.matchGames > 0) {
11660 if (first.twoMachinesColor[0] == 'w') {
11661 sprintf(buf, "%s vs. %s (%d-%d-%d)",
11662 gameInfo.white, gameInfo.black,
11663 first.matchWins, second.matchWins,
11664 matchGame - 1 - (first.matchWins + second.matchWins));
11666 sprintf(buf, "%s vs. %s (%d-%d-%d)",
11667 gameInfo.white, gameInfo.black,
11668 second.matchWins, first.matchWins,
11669 matchGame - 1 - (first.matchWins + second.matchWins));
11672 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11678 TwoMachinesEvent P((void))
11682 ChessProgramState *onmove;
11683 char *bookHit = NULL;
11685 if (appData.noChessProgram) return;
11687 switch (gameMode) {
11688 case TwoMachinesPlay:
11690 case MachinePlaysWhite:
11691 case MachinePlaysBlack:
11692 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11693 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11697 case BeginningOfGame:
11698 case PlayFromGameFile:
11701 if (gameMode != EditGame) return;
11704 EditPositionDone(TRUE);
11715 // forwardMostMove = currentMove;
11716 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
11717 ResurrectChessProgram(); /* in case first program isn't running */
11719 if (second.pr == NULL) {
11720 StartChessProgram(&second);
11721 if (second.protocolVersion == 1) {
11722 TwoMachinesEventIfReady();
11724 /* kludge: allow timeout for initial "feature" command */
11726 DisplayMessage("", _("Starting second chess program"));
11727 ScheduleDelayedEvent(TwoMachinesEventIfReady, FEATURE_TIMEOUT);
11731 DisplayMessage("", "");
11732 InitChessProgram(&second, FALSE);
11733 SendToProgram("force\n", &second);
11734 if (startedFromSetupPosition) {
11735 SendBoard(&second, backwardMostMove);
11736 if (appData.debugMode) {
11737 fprintf(debugFP, "Two Machines\n");
11740 for (i = backwardMostMove; i < forwardMostMove; i++) {
11741 SendMoveToProgram(i, &second);
11744 gameMode = TwoMachinesPlay;
11748 DisplayTwoMachinesTitle();
11750 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
11756 SendToProgram(first.computerString, &first);
11757 if (first.sendName) {
11758 sprintf(buf, "name %s\n", second.tidy);
11759 SendToProgram(buf, &first);
11761 SendToProgram(second.computerString, &second);
11762 if (second.sendName) {
11763 sprintf(buf, "name %s\n", first.tidy);
11764 SendToProgram(buf, &second);
11768 if (!first.sendTime || !second.sendTime) {
11769 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11770 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11772 if (onmove->sendTime) {
11773 if (onmove->useColors) {
11774 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
11776 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
11778 if (onmove->useColors) {
11779 SendToProgram(onmove->twoMachinesColor, onmove);
11781 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
11782 // SendToProgram("go\n", onmove);
11783 onmove->maybeThinking = TRUE;
11784 SetMachineThinkingEnables();
11788 if(bookHit) { // [HGM] book: simulate book reply
11789 static char bookMove[MSG_SIZ]; // a bit generous?
11791 programStats.nodes = programStats.depth = programStats.time =
11792 programStats.score = programStats.got_only_move = 0;
11793 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11795 strcpy(bookMove, "move ");
11796 strcat(bookMove, bookHit);
11797 savedMessage = bookMove; // args for deferred call
11798 savedState = onmove;
11799 ScheduleDelayedEvent(DeferredBookMove, 1);
11806 if (gameMode == Training) {
11807 SetTrainingModeOff();
11808 gameMode = PlayFromGameFile;
11809 DisplayMessage("", _("Training mode off"));
11811 gameMode = Training;
11812 animateTraining = appData.animate;
11814 /* make sure we are not already at the end of the game */
11815 if (currentMove < forwardMostMove) {
11816 SetTrainingModeOn();
11817 DisplayMessage("", _("Training mode on"));
11819 gameMode = PlayFromGameFile;
11820 DisplayError(_("Already at end of game"), 0);
11829 if (!appData.icsActive) return;
11830 switch (gameMode) {
11831 case IcsPlayingWhite:
11832 case IcsPlayingBlack:
11835 case BeginningOfGame:
11843 EditPositionDone(TRUE);
11856 gameMode = IcsIdle;
11867 switch (gameMode) {
11869 SetTrainingModeOff();
11871 case MachinePlaysWhite:
11872 case MachinePlaysBlack:
11873 case BeginningOfGame:
11874 SendToProgram("force\n", &first);
11875 SetUserThinkingEnables();
11877 case PlayFromGameFile:
11878 (void) StopLoadGameTimer();
11879 if (gameFileFP != NULL) {
11884 EditPositionDone(TRUE);
11889 SendToProgram("force\n", &first);
11891 case TwoMachinesPlay:
11892 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
11893 ResurrectChessProgram();
11894 SetUserThinkingEnables();
11897 ResurrectChessProgram();
11899 case IcsPlayingBlack:
11900 case IcsPlayingWhite:
11901 DisplayError(_("Warning: You are still playing a game"), 0);
11904 DisplayError(_("Warning: You are still observing a game"), 0);
11907 DisplayError(_("Warning: You are still examining a game"), 0);
11918 first.offeredDraw = second.offeredDraw = 0;
11920 if (gameMode == PlayFromGameFile) {
11921 whiteTimeRemaining = timeRemaining[0][currentMove];
11922 blackTimeRemaining = timeRemaining[1][currentMove];
11926 if (gameMode == MachinePlaysWhite ||
11927 gameMode == MachinePlaysBlack ||
11928 gameMode == TwoMachinesPlay ||
11929 gameMode == EndOfGame) {
11930 i = forwardMostMove;
11931 while (i > currentMove) {
11932 SendToProgram("undo\n", &first);
11935 whiteTimeRemaining = timeRemaining[0][currentMove];
11936 blackTimeRemaining = timeRemaining[1][currentMove];
11937 DisplayBothClocks();
11938 if (whiteFlag || blackFlag) {
11939 whiteFlag = blackFlag = 0;
11944 gameMode = EditGame;
11951 EditPositionEvent()
11953 if (gameMode == EditPosition) {
11959 if (gameMode != EditGame) return;
11961 gameMode = EditPosition;
11964 if (currentMove > 0)
11965 CopyBoard(boards[0], boards[currentMove]);
11967 blackPlaysFirst = !WhiteOnMove(currentMove);
11969 currentMove = forwardMostMove = backwardMostMove = 0;
11970 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11977 /* [DM] icsEngineAnalyze - possible call from other functions */
11978 if (appData.icsEngineAnalyze) {
11979 appData.icsEngineAnalyze = FALSE;
11981 DisplayMessage("",_("Close ICS engine analyze..."));
11983 if (first.analysisSupport && first.analyzing) {
11984 SendToProgram("exit\n", &first);
11985 first.analyzing = FALSE;
11987 thinkOutput[0] = NULLCHAR;
11991 EditPositionDone(Boolean fakeRights)
11993 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
11995 startedFromSetupPosition = TRUE;
11996 InitChessProgram(&first, FALSE);
11997 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
11998 boards[0][EP_STATUS] = EP_NONE;
11999 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
12000 if(boards[0][0][BOARD_WIDTH>>1] == king) {
12001 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
12002 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
12003 } else boards[0][CASTLING][2] = NoRights;
12004 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
12005 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
12006 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
12007 } else boards[0][CASTLING][5] = NoRights;
12009 SendToProgram("force\n", &first);
12010 if (blackPlaysFirst) {
12011 strcpy(moveList[0], "");
12012 strcpy(parseList[0], "");
12013 currentMove = forwardMostMove = backwardMostMove = 1;
12014 CopyBoard(boards[1], boards[0]);
12016 currentMove = forwardMostMove = backwardMostMove = 0;
12018 SendBoard(&first, forwardMostMove);
12019 if (appData.debugMode) {
12020 fprintf(debugFP, "EditPosDone\n");
12023 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12024 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12025 gameMode = EditGame;
12027 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12028 ClearHighlights(); /* [AS] */
12031 /* Pause for `ms' milliseconds */
12032 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12042 } while (SubtractTimeMarks(&m2, &m1) < ms);
12045 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12047 SendMultiLineToICS(buf)
12050 char temp[MSG_SIZ+1], *p;
12057 strncpy(temp, buf, len);
12062 if (*p == '\n' || *p == '\r')
12067 strcat(temp, "\n");
12069 SendToPlayer(temp, strlen(temp));
12073 SetWhiteToPlayEvent()
12075 if (gameMode == EditPosition) {
12076 blackPlaysFirst = FALSE;
12077 DisplayBothClocks(); /* works because currentMove is 0 */
12078 } else if (gameMode == IcsExamining) {
12079 SendToICS(ics_prefix);
12080 SendToICS("tomove white\n");
12085 SetBlackToPlayEvent()
12087 if (gameMode == EditPosition) {
12088 blackPlaysFirst = TRUE;
12089 currentMove = 1; /* kludge */
12090 DisplayBothClocks();
12092 } else if (gameMode == IcsExamining) {
12093 SendToICS(ics_prefix);
12094 SendToICS("tomove black\n");
12099 EditPositionMenuEvent(selection, x, y)
12100 ChessSquare selection;
12104 ChessSquare piece = boards[0][y][x];
12106 if (gameMode != EditPosition && gameMode != IcsExamining) return;
12108 switch (selection) {
12110 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
12111 SendToICS(ics_prefix);
12112 SendToICS("bsetup clear\n");
12113 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
12114 SendToICS(ics_prefix);
12115 SendToICS("clearboard\n");
12117 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
12118 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
12119 for (y = 0; y < BOARD_HEIGHT; y++) {
12120 if (gameMode == IcsExamining) {
12121 if (boards[currentMove][y][x] != EmptySquare) {
12122 sprintf(buf, "%sx@%c%c\n", ics_prefix,
12127 boards[0][y][x] = p;
12132 if (gameMode == EditPosition) {
12133 DrawPosition(FALSE, boards[0]);
12138 SetWhiteToPlayEvent();
12142 SetBlackToPlayEvent();
12146 if (gameMode == IcsExamining) {
12147 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12148 sprintf(buf, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
12151 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12152 if(x == BOARD_LEFT-2) {
12153 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
12154 boards[0][y][1] = 0;
12156 if(x == BOARD_RGHT+1) {
12157 if(y >= gameInfo.holdingsSize) break;
12158 boards[0][y][BOARD_WIDTH-2] = 0;
12161 boards[0][y][x] = EmptySquare;
12162 DrawPosition(FALSE, boards[0]);
12167 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
12168 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
12169 selection = (ChessSquare) (PROMOTED piece);
12170 } else if(piece == EmptySquare) selection = WhiteSilver;
12171 else selection = (ChessSquare)((int)piece - 1);
12175 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
12176 piece > (int)BlackMan && piece <= (int)BlackKing ) {
12177 selection = (ChessSquare) (DEMOTED piece);
12178 } else if(piece == EmptySquare) selection = BlackSilver;
12179 else selection = (ChessSquare)((int)piece + 1);
12184 if(gameInfo.variant == VariantShatranj ||
12185 gameInfo.variant == VariantXiangqi ||
12186 gameInfo.variant == VariantCourier ||
12187 gameInfo.variant == VariantMakruk )
12188 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
12193 if(gameInfo.variant == VariantXiangqi)
12194 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
12195 if(gameInfo.variant == VariantKnightmate)
12196 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
12199 if (gameMode == IcsExamining) {
12200 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12201 sprintf(buf, "%s%c@%c%c\n", ics_prefix,
12202 PieceToChar(selection), AAA + x, ONE + y);
12205 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12207 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
12208 n = PieceToNumber(selection - BlackPawn);
12209 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
12210 boards[0][BOARD_HEIGHT-1-n][0] = selection;
12211 boards[0][BOARD_HEIGHT-1-n][1]++;
12213 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
12214 n = PieceToNumber(selection);
12215 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
12216 boards[0][n][BOARD_WIDTH-1] = selection;
12217 boards[0][n][BOARD_WIDTH-2]++;
12220 boards[0][y][x] = selection;
12221 DrawPosition(TRUE, boards[0]);
12229 DropMenuEvent(selection, x, y)
12230 ChessSquare selection;
12233 ChessMove moveType;
12235 switch (gameMode) {
12236 case IcsPlayingWhite:
12237 case MachinePlaysBlack:
12238 if (!WhiteOnMove(currentMove)) {
12239 DisplayMoveError(_("It is Black's turn"));
12242 moveType = WhiteDrop;
12244 case IcsPlayingBlack:
12245 case MachinePlaysWhite:
12246 if (WhiteOnMove(currentMove)) {
12247 DisplayMoveError(_("It is White's turn"));
12250 moveType = BlackDrop;
12253 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
12259 if (moveType == BlackDrop && selection < BlackPawn) {
12260 selection = (ChessSquare) ((int) selection
12261 + (int) BlackPawn - (int) WhitePawn);
12263 if (boards[currentMove][y][x] != EmptySquare) {
12264 DisplayMoveError(_("That square is occupied"));
12268 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
12274 /* Accept a pending offer of any kind from opponent */
12276 if (appData.icsActive) {
12277 SendToICS(ics_prefix);
12278 SendToICS("accept\n");
12279 } else if (cmailMsgLoaded) {
12280 if (currentMove == cmailOldMove &&
12281 commentList[cmailOldMove] != NULL &&
12282 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12283 "Black offers a draw" : "White offers a draw")) {
12285 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12286 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12288 DisplayError(_("There is no pending offer on this move"), 0);
12289 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12292 /* Not used for offers from chess program */
12299 /* Decline a pending offer of any kind from opponent */
12301 if (appData.icsActive) {
12302 SendToICS(ics_prefix);
12303 SendToICS("decline\n");
12304 } else if (cmailMsgLoaded) {
12305 if (currentMove == cmailOldMove &&
12306 commentList[cmailOldMove] != NULL &&
12307 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12308 "Black offers a draw" : "White offers a draw")) {
12310 AppendComment(cmailOldMove, "Draw declined", TRUE);
12311 DisplayComment(cmailOldMove - 1, "Draw declined");
12314 DisplayError(_("There is no pending offer on this move"), 0);
12317 /* Not used for offers from chess program */
12324 /* Issue ICS rematch command */
12325 if (appData.icsActive) {
12326 SendToICS(ics_prefix);
12327 SendToICS("rematch\n");
12334 /* Call your opponent's flag (claim a win on time) */
12335 if (appData.icsActive) {
12336 SendToICS(ics_prefix);
12337 SendToICS("flag\n");
12339 switch (gameMode) {
12342 case MachinePlaysWhite:
12345 GameEnds(GameIsDrawn, "Both players ran out of time",
12348 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
12350 DisplayError(_("Your opponent is not out of time"), 0);
12353 case MachinePlaysBlack:
12356 GameEnds(GameIsDrawn, "Both players ran out of time",
12359 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
12361 DisplayError(_("Your opponent is not out of time"), 0);
12371 /* Offer draw or accept pending draw offer from opponent */
12373 if (appData.icsActive) {
12374 /* Note: tournament rules require draw offers to be
12375 made after you make your move but before you punch
12376 your clock. Currently ICS doesn't let you do that;
12377 instead, you immediately punch your clock after making
12378 a move, but you can offer a draw at any time. */
12380 SendToICS(ics_prefix);
12381 SendToICS("draw\n");
12382 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
12383 } else if (cmailMsgLoaded) {
12384 if (currentMove == cmailOldMove &&
12385 commentList[cmailOldMove] != NULL &&
12386 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12387 "Black offers a draw" : "White offers a draw")) {
12388 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12389 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12390 } else if (currentMove == cmailOldMove + 1) {
12391 char *offer = WhiteOnMove(cmailOldMove) ?
12392 "White offers a draw" : "Black offers a draw";
12393 AppendComment(currentMove, offer, TRUE);
12394 DisplayComment(currentMove - 1, offer);
12395 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
12397 DisplayError(_("You must make your move before offering a draw"), 0);
12398 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12400 } else if (first.offeredDraw) {
12401 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
12403 if (first.sendDrawOffers) {
12404 SendToProgram("draw\n", &first);
12405 userOfferedDraw = TRUE;
12413 /* Offer Adjourn or accept pending Adjourn offer from opponent */
12415 if (appData.icsActive) {
12416 SendToICS(ics_prefix);
12417 SendToICS("adjourn\n");
12419 /* Currently GNU Chess doesn't offer or accept Adjourns */
12427 /* Offer Abort or accept pending Abort offer from opponent */
12429 if (appData.icsActive) {
12430 SendToICS(ics_prefix);
12431 SendToICS("abort\n");
12433 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
12440 /* Resign. You can do this even if it's not your turn. */
12442 if (appData.icsActive) {
12443 SendToICS(ics_prefix);
12444 SendToICS("resign\n");
12446 switch (gameMode) {
12447 case MachinePlaysWhite:
12448 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12450 case MachinePlaysBlack:
12451 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12454 if (cmailMsgLoaded) {
12456 if (WhiteOnMove(cmailOldMove)) {
12457 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12459 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12461 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
12472 StopObservingEvent()
12474 /* Stop observing current games */
12475 SendToICS(ics_prefix);
12476 SendToICS("unobserve\n");
12480 StopExaminingEvent()
12482 /* Stop observing current game */
12483 SendToICS(ics_prefix);
12484 SendToICS("unexamine\n");
12488 ForwardInner(target)
12493 if (appData.debugMode)
12494 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
12495 target, currentMove, forwardMostMove);
12497 if (gameMode == EditPosition)
12500 if (gameMode == PlayFromGameFile && !pausing)
12503 if (gameMode == IcsExamining && pausing)
12504 limit = pauseExamForwardMostMove;
12506 limit = forwardMostMove;
12508 if (target > limit) target = limit;
12510 if (target > 0 && moveList[target - 1][0]) {
12511 int fromX, fromY, toX, toY;
12512 toX = moveList[target - 1][2] - AAA;
12513 toY = moveList[target - 1][3] - ONE;
12514 if (moveList[target - 1][1] == '@') {
12515 if (appData.highlightLastMove) {
12516 SetHighlights(-1, -1, toX, toY);
12519 fromX = moveList[target - 1][0] - AAA;
12520 fromY = moveList[target - 1][1] - ONE;
12521 if (target == currentMove + 1) {
12522 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12524 if (appData.highlightLastMove) {
12525 SetHighlights(fromX, fromY, toX, toY);
12529 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12530 gameMode == Training || gameMode == PlayFromGameFile ||
12531 gameMode == AnalyzeFile) {
12532 while (currentMove < target) {
12533 SendMoveToProgram(currentMove++, &first);
12536 currentMove = target;
12539 if (gameMode == EditGame || gameMode == EndOfGame) {
12540 whiteTimeRemaining = timeRemaining[0][currentMove];
12541 blackTimeRemaining = timeRemaining[1][currentMove];
12543 DisplayBothClocks();
12544 DisplayMove(currentMove - 1);
12545 DrawPosition(FALSE, boards[currentMove]);
12546 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12547 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
12548 DisplayComment(currentMove - 1, commentList[currentMove]);
12556 if (gameMode == IcsExamining && !pausing) {
12557 SendToICS(ics_prefix);
12558 SendToICS("forward\n");
12560 ForwardInner(currentMove + 1);
12567 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12568 /* to optimze, we temporarily turn off analysis mode while we feed
12569 * the remaining moves to the engine. Otherwise we get analysis output
12572 if (first.analysisSupport) {
12573 SendToProgram("exit\nforce\n", &first);
12574 first.analyzing = FALSE;
12578 if (gameMode == IcsExamining && !pausing) {
12579 SendToICS(ics_prefix);
12580 SendToICS("forward 999999\n");
12582 ForwardInner(forwardMostMove);
12585 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12586 /* we have fed all the moves, so reactivate analysis mode */
12587 SendToProgram("analyze\n", &first);
12588 first.analyzing = TRUE;
12589 /*first.maybeThinking = TRUE;*/
12590 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12595 BackwardInner(target)
12598 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
12600 if (appData.debugMode)
12601 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
12602 target, currentMove, forwardMostMove);
12604 if (gameMode == EditPosition) return;
12605 if (currentMove <= backwardMostMove) {
12607 DrawPosition(full_redraw, boards[currentMove]);
12610 if (gameMode == PlayFromGameFile && !pausing)
12613 if (moveList[target][0]) {
12614 int fromX, fromY, toX, toY;
12615 toX = moveList[target][2] - AAA;
12616 toY = moveList[target][3] - ONE;
12617 if (moveList[target][1] == '@') {
12618 if (appData.highlightLastMove) {
12619 SetHighlights(-1, -1, toX, toY);
12622 fromX = moveList[target][0] - AAA;
12623 fromY = moveList[target][1] - ONE;
12624 if (target == currentMove - 1) {
12625 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
12627 if (appData.highlightLastMove) {
12628 SetHighlights(fromX, fromY, toX, toY);
12632 if (gameMode == EditGame || gameMode==AnalyzeMode ||
12633 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
12634 while (currentMove > target) {
12635 SendToProgram("undo\n", &first);
12639 currentMove = target;
12642 if (gameMode == EditGame || gameMode == EndOfGame) {
12643 whiteTimeRemaining = timeRemaining[0][currentMove];
12644 blackTimeRemaining = timeRemaining[1][currentMove];
12646 DisplayBothClocks();
12647 DisplayMove(currentMove - 1);
12648 DrawPosition(full_redraw, boards[currentMove]);
12649 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12650 // [HGM] PV info: routine tests if comment empty
12651 DisplayComment(currentMove - 1, commentList[currentMove]);
12657 if (gameMode == IcsExamining && !pausing) {
12658 SendToICS(ics_prefix);
12659 SendToICS("backward\n");
12661 BackwardInner(currentMove - 1);
12668 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12669 /* to optimize, we temporarily turn off analysis mode while we undo
12670 * all the moves. Otherwise we get analysis output after each undo.
12672 if (first.analysisSupport) {
12673 SendToProgram("exit\nforce\n", &first);
12674 first.analyzing = FALSE;
12678 if (gameMode == IcsExamining && !pausing) {
12679 SendToICS(ics_prefix);
12680 SendToICS("backward 999999\n");
12682 BackwardInner(backwardMostMove);
12685 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12686 /* we have fed all the moves, so reactivate analysis mode */
12687 SendToProgram("analyze\n", &first);
12688 first.analyzing = TRUE;
12689 /*first.maybeThinking = TRUE;*/
12690 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12697 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
12698 if (to >= forwardMostMove) to = forwardMostMove;
12699 if (to <= backwardMostMove) to = backwardMostMove;
12700 if (to < currentMove) {
12708 RevertEvent(Boolean annotate)
12710 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
12713 if (gameMode != IcsExamining) {
12714 DisplayError(_("You are not examining a game"), 0);
12718 DisplayError(_("You can't revert while pausing"), 0);
12721 SendToICS(ics_prefix);
12722 SendToICS("revert\n");
12728 switch (gameMode) {
12729 case MachinePlaysWhite:
12730 case MachinePlaysBlack:
12731 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12732 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12735 if (forwardMostMove < 2) return;
12736 currentMove = forwardMostMove = forwardMostMove - 2;
12737 whiteTimeRemaining = timeRemaining[0][currentMove];
12738 blackTimeRemaining = timeRemaining[1][currentMove];
12739 DisplayBothClocks();
12740 DisplayMove(currentMove - 1);
12741 ClearHighlights();/*!! could figure this out*/
12742 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
12743 SendToProgram("remove\n", &first);
12744 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
12747 case BeginningOfGame:
12751 case IcsPlayingWhite:
12752 case IcsPlayingBlack:
12753 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
12754 SendToICS(ics_prefix);
12755 SendToICS("takeback 2\n");
12757 SendToICS(ics_prefix);
12758 SendToICS("takeback 1\n");
12767 ChessProgramState *cps;
12769 switch (gameMode) {
12770 case MachinePlaysWhite:
12771 if (!WhiteOnMove(forwardMostMove)) {
12772 DisplayError(_("It is your turn"), 0);
12777 case MachinePlaysBlack:
12778 if (WhiteOnMove(forwardMostMove)) {
12779 DisplayError(_("It is your turn"), 0);
12784 case TwoMachinesPlay:
12785 if (WhiteOnMove(forwardMostMove) ==
12786 (first.twoMachinesColor[0] == 'w')) {
12792 case BeginningOfGame:
12796 SendToProgram("?\n", cps);
12800 TruncateGameEvent()
12803 if (gameMode != EditGame) return;
12810 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
12811 if (forwardMostMove > currentMove) {
12812 if (gameInfo.resultDetails != NULL) {
12813 free(gameInfo.resultDetails);
12814 gameInfo.resultDetails = NULL;
12815 gameInfo.result = GameUnfinished;
12817 forwardMostMove = currentMove;
12818 HistorySet(parseList, backwardMostMove, forwardMostMove,
12826 if (appData.noChessProgram) return;
12827 switch (gameMode) {
12828 case MachinePlaysWhite:
12829 if (WhiteOnMove(forwardMostMove)) {
12830 DisplayError(_("Wait until your turn"), 0);
12834 case BeginningOfGame:
12835 case MachinePlaysBlack:
12836 if (!WhiteOnMove(forwardMostMove)) {
12837 DisplayError(_("Wait until your turn"), 0);
12842 DisplayError(_("No hint available"), 0);
12845 SendToProgram("hint\n", &first);
12846 hintRequested = TRUE;
12852 if (appData.noChessProgram) return;
12853 switch (gameMode) {
12854 case MachinePlaysWhite:
12855 if (WhiteOnMove(forwardMostMove)) {
12856 DisplayError(_("Wait until your turn"), 0);
12860 case BeginningOfGame:
12861 case MachinePlaysBlack:
12862 if (!WhiteOnMove(forwardMostMove)) {
12863 DisplayError(_("Wait until your turn"), 0);
12868 EditPositionDone(TRUE);
12870 case TwoMachinesPlay:
12875 SendToProgram("bk\n", &first);
12876 bookOutput[0] = NULLCHAR;
12877 bookRequested = TRUE;
12883 char *tags = PGNTags(&gameInfo);
12884 TagsPopUp(tags, CmailMsg());
12888 /* end button procedures */
12891 PrintPosition(fp, move)
12897 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12898 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
12899 char c = PieceToChar(boards[move][i][j]);
12900 fputc(c == 'x' ? '.' : c, fp);
12901 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
12904 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
12905 fprintf(fp, "white to play\n");
12907 fprintf(fp, "black to play\n");
12914 if (gameInfo.white != NULL) {
12915 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
12921 /* Find last component of program's own name, using some heuristics */
12923 TidyProgramName(prog, host, buf)
12924 char *prog, *host, buf[MSG_SIZ];
12927 int local = (strcmp(host, "localhost") == 0);
12928 while (!local && (p = strchr(prog, ';')) != NULL) {
12930 while (*p == ' ') p++;
12933 if (*prog == '"' || *prog == '\'') {
12934 q = strchr(prog + 1, *prog);
12936 q = strchr(prog, ' ');
12938 if (q == NULL) q = prog + strlen(prog);
12940 while (p >= prog && *p != '/' && *p != '\\') p--;
12942 if(p == prog && *p == '"') p++;
12943 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
12944 memcpy(buf, p, q - p);
12945 buf[q - p] = NULLCHAR;
12953 TimeControlTagValue()
12956 if (!appData.clockMode) {
12958 } else if (movesPerSession > 0) {
12959 sprintf(buf, "%d/%ld", movesPerSession, timeControl/1000);
12960 } else if (timeIncrement == 0) {
12961 sprintf(buf, "%ld", timeControl/1000);
12963 sprintf(buf, "%ld+%ld", timeControl/1000, timeIncrement/1000);
12965 return StrSave(buf);
12971 /* This routine is used only for certain modes */
12972 VariantClass v = gameInfo.variant;
12973 ChessMove r = GameUnfinished;
12976 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
12977 r = gameInfo.result;
12978 p = gameInfo.resultDetails;
12979 gameInfo.resultDetails = NULL;
12981 ClearGameInfo(&gameInfo);
12982 gameInfo.variant = v;
12984 switch (gameMode) {
12985 case MachinePlaysWhite:
12986 gameInfo.event = StrSave( appData.pgnEventHeader );
12987 gameInfo.site = StrSave(HostName());
12988 gameInfo.date = PGNDate();
12989 gameInfo.round = StrSave("-");
12990 gameInfo.white = StrSave(first.tidy);
12991 gameInfo.black = StrSave(UserName());
12992 gameInfo.timeControl = TimeControlTagValue();
12995 case MachinePlaysBlack:
12996 gameInfo.event = StrSave( appData.pgnEventHeader );
12997 gameInfo.site = StrSave(HostName());
12998 gameInfo.date = PGNDate();
12999 gameInfo.round = StrSave("-");
13000 gameInfo.white = StrSave(UserName());
13001 gameInfo.black = StrSave(first.tidy);
13002 gameInfo.timeControl = TimeControlTagValue();
13005 case TwoMachinesPlay:
13006 gameInfo.event = StrSave( appData.pgnEventHeader );
13007 gameInfo.site = StrSave(HostName());
13008 gameInfo.date = PGNDate();
13009 if (matchGame > 0) {
13011 sprintf(buf, "%d", matchGame);
13012 gameInfo.round = StrSave(buf);
13014 gameInfo.round = StrSave("-");
13016 if (first.twoMachinesColor[0] == 'w') {
13017 gameInfo.white = StrSave(first.tidy);
13018 gameInfo.black = StrSave(second.tidy);
13020 gameInfo.white = StrSave(second.tidy);
13021 gameInfo.black = StrSave(first.tidy);
13023 gameInfo.timeControl = TimeControlTagValue();
13027 gameInfo.event = StrSave("Edited game");
13028 gameInfo.site = StrSave(HostName());
13029 gameInfo.date = PGNDate();
13030 gameInfo.round = StrSave("-");
13031 gameInfo.white = StrSave("-");
13032 gameInfo.black = StrSave("-");
13033 gameInfo.result = r;
13034 gameInfo.resultDetails = p;
13038 gameInfo.event = StrSave("Edited position");
13039 gameInfo.site = StrSave(HostName());
13040 gameInfo.date = PGNDate();
13041 gameInfo.round = StrSave("-");
13042 gameInfo.white = StrSave("-");
13043 gameInfo.black = StrSave("-");
13046 case IcsPlayingWhite:
13047 case IcsPlayingBlack:
13052 case PlayFromGameFile:
13053 gameInfo.event = StrSave("Game from non-PGN file");
13054 gameInfo.site = StrSave(HostName());
13055 gameInfo.date = PGNDate();
13056 gameInfo.round = StrSave("-");
13057 gameInfo.white = StrSave("?");
13058 gameInfo.black = StrSave("?");
13067 ReplaceComment(index, text)
13073 while (*text == '\n') text++;
13074 len = strlen(text);
13075 while (len > 0 && text[len - 1] == '\n') len--;
13077 if (commentList[index] != NULL)
13078 free(commentList[index]);
13081 commentList[index] = NULL;
13084 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
13085 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
13086 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
13087 commentList[index] = (char *) malloc(len + 2);
13088 strncpy(commentList[index], text, len);
13089 commentList[index][len] = '\n';
13090 commentList[index][len + 1] = NULLCHAR;
13092 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
13094 commentList[index] = (char *) malloc(len + 6);
13095 strcpy(commentList[index], "{\n");
13096 strncpy(commentList[index]+2, text, len);
13097 commentList[index][len+2] = NULLCHAR;
13098 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
13099 strcat(commentList[index], "\n}\n");
13113 if (ch == '\r') continue;
13115 } while (ch != '\0');
13119 AppendComment(index, text, addBraces)
13122 Boolean addBraces; // [HGM] braces: tells if we should add {}
13127 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
13128 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
13131 while (*text == '\n') text++;
13132 len = strlen(text);
13133 while (len > 0 && text[len - 1] == '\n') len--;
13135 if (len == 0) return;
13137 if (commentList[index] != NULL) {
13138 old = commentList[index];
13139 oldlen = strlen(old);
13140 while(commentList[index][oldlen-1] == '\n')
13141 commentList[index][--oldlen] = NULLCHAR;
13142 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
13143 strcpy(commentList[index], old);
13145 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
13146 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces)) {
13147 if(addBraces) addBraces = FALSE; else { text++; len--; }
13148 while (*text == '\n') { text++; len--; }
13149 commentList[index][--oldlen] = NULLCHAR;
13151 if(addBraces) strcat(commentList[index], "\n{\n");
13152 else strcat(commentList[index], "\n");
13153 strcat(commentList[index], text);
13154 if(addBraces) strcat(commentList[index], "\n}\n");
13155 else strcat(commentList[index], "\n");
13157 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
13159 strcpy(commentList[index], "{\n");
13160 else commentList[index][0] = NULLCHAR;
13161 strcat(commentList[index], text);
13162 strcat(commentList[index], "\n");
13163 if(addBraces) strcat(commentList[index], "}\n");
13167 static char * FindStr( char * text, char * sub_text )
13169 char * result = strstr( text, sub_text );
13171 if( result != NULL ) {
13172 result += strlen( sub_text );
13178 /* [AS] Try to extract PV info from PGN comment */
13179 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
13180 char *GetInfoFromComment( int index, char * text )
13184 if( text != NULL && index > 0 ) {
13187 int time = -1, sec = 0, deci;
13188 char * s_eval = FindStr( text, "[%eval " );
13189 char * s_emt = FindStr( text, "[%emt " );
13191 if( s_eval != NULL || s_emt != NULL ) {
13195 if( s_eval != NULL ) {
13196 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
13200 if( delim != ']' ) {
13205 if( s_emt != NULL ) {
13210 /* We expect something like: [+|-]nnn.nn/dd */
13213 if(*text != '{') return text; // [HGM] braces: must be normal comment
13215 sep = strchr( text, '/' );
13216 if( sep == NULL || sep < (text+4) ) {
13220 time = -1; sec = -1; deci = -1;
13221 if( sscanf( text+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
13222 sscanf( text+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
13223 sscanf( text+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
13224 sscanf( text+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
13228 if( score_lo < 0 || score_lo >= 100 ) {
13232 if(sec >= 0) time = 600*time + 10*sec; else
13233 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
13235 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
13237 /* [HGM] PV time: now locate end of PV info */
13238 while( *++sep >= '0' && *sep <= '9'); // strip depth
13240 while( *++sep >= '0' && *sep <= '9'); // strip time
13242 while( *++sep >= '0' && *sep <= '9'); // strip seconds
13244 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
13245 while(*sep == ' ') sep++;
13256 pvInfoList[index-1].depth = depth;
13257 pvInfoList[index-1].score = score;
13258 pvInfoList[index-1].time = 10*time; // centi-sec
13259 if(*sep == '}') *sep = 0; else *--sep = '{';
13265 SendToProgram(message, cps)
13267 ChessProgramState *cps;
13269 int count, outCount, error;
13272 if (cps->pr == NULL) return;
13275 if (appData.debugMode) {
13278 fprintf(debugFP, "%ld >%-6s: %s",
13279 SubtractTimeMarks(&now, &programStartTime),
13280 cps->which, message);
13283 count = strlen(message);
13284 outCount = OutputToProcess(cps->pr, message, count, &error);
13285 if (outCount < count && !exiting
13286 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
13287 sprintf(buf, _("Error writing to %s chess program"), cps->which);
13288 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13289 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13290 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13291 sprintf(buf, "%s program exits in draw position (%s)", cps->which, cps->program);
13293 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13295 gameInfo.resultDetails = StrSave(buf);
13297 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13302 ReceiveFromProgram(isr, closure, message, count, error)
13303 InputSourceRef isr;
13311 ChessProgramState *cps = (ChessProgramState *)closure;
13313 if (isr != cps->isr) return; /* Killed intentionally */
13317 _("Error: %s chess program (%s) exited unexpectedly"),
13318 cps->which, cps->program);
13319 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13320 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13321 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13322 sprintf(buf, _("%s program exits in draw position (%s)"), cps->which, cps->program);
13324 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13326 gameInfo.resultDetails = StrSave(buf);
13328 RemoveInputSource(cps->isr);
13329 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
13332 _("Error reading from %s chess program (%s)"),
13333 cps->which, cps->program);
13334 RemoveInputSource(cps->isr);
13336 /* [AS] Program is misbehaving badly... kill it */
13337 if( count == -2 ) {
13338 DestroyChildProcess( cps->pr, 9 );
13342 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13347 if ((end_str = strchr(message, '\r')) != NULL)
13348 *end_str = NULLCHAR;
13349 if ((end_str = strchr(message, '\n')) != NULL)
13350 *end_str = NULLCHAR;
13352 if (appData.debugMode) {
13353 TimeMark now; int print = 1;
13354 char *quote = ""; char c; int i;
13356 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
13357 char start = message[0];
13358 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
13359 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
13360 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
13361 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
13362 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
13363 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
13364 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
13365 sscanf(message, "pong %c", &c)!=1 && start != '#')
13366 { quote = "# "; print = (appData.engineComments == 2); }
13367 message[0] = start; // restore original message
13371 fprintf(debugFP, "%ld <%-6s: %s%s\n",
13372 SubtractTimeMarks(&now, &programStartTime), cps->which,
13378 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
13379 if (appData.icsEngineAnalyze) {
13380 if (strstr(message, "whisper") != NULL ||
13381 strstr(message, "kibitz") != NULL ||
13382 strstr(message, "tellics") != NULL) return;
13385 HandleMachineMove(message, cps);
13390 SendTimeControl(cps, mps, tc, inc, sd, st)
13391 ChessProgramState *cps;
13392 int mps, inc, sd, st;
13398 if( timeControl_2 > 0 ) {
13399 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
13400 tc = timeControl_2;
13403 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
13404 inc /= cps->timeOdds;
13405 st /= cps->timeOdds;
13407 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
13410 /* Set exact time per move, normally using st command */
13411 if (cps->stKludge) {
13412 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
13414 if (seconds == 0) {
13415 sprintf(buf, "level 1 %d\n", st/60);
13417 sprintf(buf, "level 1 %d:%02d\n", st/60, seconds);
13420 sprintf(buf, "st %d\n", st);
13423 /* Set conventional or incremental time control, using level command */
13424 if (seconds == 0) {
13425 /* Note old gnuchess bug -- minutes:seconds used to not work.
13426 Fixed in later versions, but still avoid :seconds
13427 when seconds is 0. */
13428 sprintf(buf, "level %d %ld %d\n", mps, tc/60000, inc/1000);
13430 sprintf(buf, "level %d %ld:%02d %d\n", mps, tc/60000,
13431 seconds, inc/1000);
13434 SendToProgram(buf, cps);
13436 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
13437 /* Orthogonally, limit search to given depth */
13439 if (cps->sdKludge) {
13440 sprintf(buf, "depth\n%d\n", sd);
13442 sprintf(buf, "sd %d\n", sd);
13444 SendToProgram(buf, cps);
13447 if(cps->nps > 0) { /* [HGM] nps */
13448 if(cps->supportsNPS == FALSE) cps->nps = -1; // don't use if engine explicitly says not supported!
13450 sprintf(buf, "nps %d\n", cps->nps);
13451 SendToProgram(buf, cps);
13456 ChessProgramState *WhitePlayer()
13457 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
13459 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
13460 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
13466 SendTimeRemaining(cps, machineWhite)
13467 ChessProgramState *cps;
13468 int /*boolean*/ machineWhite;
13470 char message[MSG_SIZ];
13473 /* Note: this routine must be called when the clocks are stopped
13474 or when they have *just* been set or switched; otherwise
13475 it will be off by the time since the current tick started.
13477 if (machineWhite) {
13478 time = whiteTimeRemaining / 10;
13479 otime = blackTimeRemaining / 10;
13481 time = blackTimeRemaining / 10;
13482 otime = whiteTimeRemaining / 10;
13484 /* [HGM] translate opponent's time by time-odds factor */
13485 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
13486 if (appData.debugMode) {
13487 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
13490 if (time <= 0) time = 1;
13491 if (otime <= 0) otime = 1;
13493 sprintf(message, "time %ld\n", time);
13494 SendToProgram(message, cps);
13496 sprintf(message, "otim %ld\n", otime);
13497 SendToProgram(message, cps);
13501 BoolFeature(p, name, loc, cps)
13505 ChessProgramState *cps;
13508 int len = strlen(name);
13510 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13512 sscanf(*p, "%d", &val);
13514 while (**p && **p != ' ') (*p)++;
13515 sprintf(buf, "accepted %s\n", name);
13516 SendToProgram(buf, cps);
13523 IntFeature(p, name, loc, cps)
13527 ChessProgramState *cps;
13530 int len = strlen(name);
13531 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13533 sscanf(*p, "%d", loc);
13534 while (**p && **p != ' ') (*p)++;
13535 sprintf(buf, "accepted %s\n", name);
13536 SendToProgram(buf, cps);
13543 StringFeature(p, name, loc, cps)
13547 ChessProgramState *cps;
13550 int len = strlen(name);
13551 if (strncmp((*p), name, len) == 0
13552 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
13554 sscanf(*p, "%[^\"]", loc);
13555 while (**p && **p != '\"') (*p)++;
13556 if (**p == '\"') (*p)++;
13557 sprintf(buf, "accepted %s\n", name);
13558 SendToProgram(buf, cps);
13565 ParseOption(Option *opt, ChessProgramState *cps)
13566 // [HGM] options: process the string that defines an engine option, and determine
13567 // name, type, default value, and allowed value range
13569 char *p, *q, buf[MSG_SIZ];
13570 int n, min = (-1)<<31, max = 1<<31, def;
13572 if(p = strstr(opt->name, " -spin ")) {
13573 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13574 if(max < min) max = min; // enforce consistency
13575 if(def < min) def = min;
13576 if(def > max) def = max;
13581 } else if((p = strstr(opt->name, " -slider "))) {
13582 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
13583 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13584 if(max < min) max = min; // enforce consistency
13585 if(def < min) def = min;
13586 if(def > max) def = max;
13590 opt->type = Spin; // Slider;
13591 } else if((p = strstr(opt->name, " -string "))) {
13592 opt->textValue = p+9;
13593 opt->type = TextBox;
13594 } else if((p = strstr(opt->name, " -file "))) {
13595 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13596 opt->textValue = p+7;
13597 opt->type = TextBox; // FileName;
13598 } else if((p = strstr(opt->name, " -path "))) {
13599 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13600 opt->textValue = p+7;
13601 opt->type = TextBox; // PathName;
13602 } else if(p = strstr(opt->name, " -check ")) {
13603 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
13604 opt->value = (def != 0);
13605 opt->type = CheckBox;
13606 } else if(p = strstr(opt->name, " -combo ")) {
13607 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
13608 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
13609 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
13610 opt->value = n = 0;
13611 while(q = StrStr(q, " /// ")) {
13612 n++; *q = 0; // count choices, and null-terminate each of them
13614 if(*q == '*') { // remember default, which is marked with * prefix
13618 cps->comboList[cps->comboCnt++] = q;
13620 cps->comboList[cps->comboCnt++] = NULL;
13622 opt->type = ComboBox;
13623 } else if(p = strstr(opt->name, " -button")) {
13624 opt->type = Button;
13625 } else if(p = strstr(opt->name, " -save")) {
13626 opt->type = SaveButton;
13627 } else return FALSE;
13628 *p = 0; // terminate option name
13629 // now look if the command-line options define a setting for this engine option.
13630 if(cps->optionSettings && cps->optionSettings[0])
13631 p = strstr(cps->optionSettings, opt->name); else p = NULL;
13632 if(p && (p == cps->optionSettings || p[-1] == ',')) {
13633 sprintf(buf, "option %s", p);
13634 if(p = strstr(buf, ",")) *p = 0;
13636 SendToProgram(buf, cps);
13642 FeatureDone(cps, val)
13643 ChessProgramState* cps;
13646 DelayedEventCallback cb = GetDelayedEvent();
13647 if ((cb == InitBackEnd3 && cps == &first) ||
13648 (cb == TwoMachinesEventIfReady && cps == &second)) {
13649 CancelDelayedEvent();
13650 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
13652 cps->initDone = val;
13655 /* Parse feature command from engine */
13657 ParseFeatures(args, cps)
13659 ChessProgramState *cps;
13667 while (*p == ' ') p++;
13668 if (*p == NULLCHAR) return;
13670 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
13671 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
13672 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
13673 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
13674 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
13675 if (BoolFeature(&p, "reuse", &val, cps)) {
13676 /* Engine can disable reuse, but can't enable it if user said no */
13677 if (!val) cps->reuse = FALSE;
13680 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
13681 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
13682 if (gameMode == TwoMachinesPlay) {
13683 DisplayTwoMachinesTitle();
13689 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
13690 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
13691 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
13692 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
13693 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
13694 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
13695 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
13696 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
13697 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
13698 if (IntFeature(&p, "done", &val, cps)) {
13699 FeatureDone(cps, val);
13702 /* Added by Tord: */
13703 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
13704 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
13705 /* End of additions by Tord */
13707 /* [HGM] added features: */
13708 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
13709 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
13710 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
13711 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
13712 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13713 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
13714 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
13715 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
13716 sprintf(buf, "rejected option %s\n", cps->option[--cps->nrOptions].name);
13717 SendToProgram(buf, cps);
13720 if(cps->nrOptions >= MAX_OPTIONS) {
13722 sprintf(buf, "%s engine has too many options\n", cps->which);
13723 DisplayError(buf, 0);
13727 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13728 /* End of additions by HGM */
13730 /* unknown feature: complain and skip */
13732 while (*q && *q != '=') q++;
13733 sprintf(buf, "rejected %.*s\n", (int)(q-p), p);
13734 SendToProgram(buf, cps);
13740 while (*p && *p != '\"') p++;
13741 if (*p == '\"') p++;
13743 while (*p && *p != ' ') p++;
13751 PeriodicUpdatesEvent(newState)
13754 if (newState == appData.periodicUpdates)
13757 appData.periodicUpdates=newState;
13759 /* Display type changes, so update it now */
13760 // DisplayAnalysis();
13762 /* Get the ball rolling again... */
13764 AnalysisPeriodicEvent(1);
13765 StartAnalysisClock();
13770 PonderNextMoveEvent(newState)
13773 if (newState == appData.ponderNextMove) return;
13774 if (gameMode == EditPosition) EditPositionDone(TRUE);
13776 SendToProgram("hard\n", &first);
13777 if (gameMode == TwoMachinesPlay) {
13778 SendToProgram("hard\n", &second);
13781 SendToProgram("easy\n", &first);
13782 thinkOutput[0] = NULLCHAR;
13783 if (gameMode == TwoMachinesPlay) {
13784 SendToProgram("easy\n", &second);
13787 appData.ponderNextMove = newState;
13791 NewSettingEvent(option, command, value)
13797 if (gameMode == EditPosition) EditPositionDone(TRUE);
13798 sprintf(buf, "%s%s %d\n", (option ? "option ": ""), command, value);
13799 SendToProgram(buf, &first);
13800 if (gameMode == TwoMachinesPlay) {
13801 SendToProgram(buf, &second);
13806 ShowThinkingEvent()
13807 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
13809 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
13810 int newState = appData.showThinking
13811 // [HGM] thinking: other features now need thinking output as well
13812 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
13814 if (oldState == newState) return;
13815 oldState = newState;
13816 if (gameMode == EditPosition) EditPositionDone(TRUE);
13818 SendToProgram("post\n", &first);
13819 if (gameMode == TwoMachinesPlay) {
13820 SendToProgram("post\n", &second);
13823 SendToProgram("nopost\n", &first);
13824 thinkOutput[0] = NULLCHAR;
13825 if (gameMode == TwoMachinesPlay) {
13826 SendToProgram("nopost\n", &second);
13829 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
13833 AskQuestionEvent(title, question, replyPrefix, which)
13834 char *title; char *question; char *replyPrefix; char *which;
13836 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
13837 if (pr == NoProc) return;
13838 AskQuestion(title, question, replyPrefix, pr);
13842 DisplayMove(moveNumber)
13845 char message[MSG_SIZ];
13847 char cpThinkOutput[MSG_SIZ];
13849 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
13851 if (moveNumber == forwardMostMove - 1 ||
13852 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13854 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput));
13856 if (strchr(cpThinkOutput, '\n')) {
13857 *strchr(cpThinkOutput, '\n') = NULLCHAR;
13860 *cpThinkOutput = NULLCHAR;
13863 /* [AS] Hide thinking from human user */
13864 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
13865 *cpThinkOutput = NULLCHAR;
13866 if( thinkOutput[0] != NULLCHAR ) {
13869 for( i=0; i<=hiddenThinkOutputState; i++ ) {
13870 cpThinkOutput[i] = '.';
13872 cpThinkOutput[i] = NULLCHAR;
13873 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
13877 if (moveNumber == forwardMostMove - 1 &&
13878 gameInfo.resultDetails != NULL) {
13879 if (gameInfo.resultDetails[0] == NULLCHAR) {
13880 sprintf(res, " %s", PGNResult(gameInfo.result));
13882 sprintf(res, " {%s} %s",
13883 gameInfo.resultDetails, PGNResult(gameInfo.result));
13889 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
13890 DisplayMessage(res, cpThinkOutput);
13892 sprintf(message, "%d.%s%s%s", moveNumber / 2 + 1,
13893 WhiteOnMove(moveNumber) ? " " : ".. ",
13894 parseList[moveNumber], res);
13895 DisplayMessage(message, cpThinkOutput);
13900 DisplayComment(moveNumber, text)
13904 char title[MSG_SIZ];
13905 char buf[8000]; // comment can be long!
13908 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
13909 strcpy(title, "Comment");
13911 sprintf(title, "Comment on %d.%s%s", moveNumber / 2 + 1,
13912 WhiteOnMove(moveNumber) ? " " : ".. ",
13913 parseList[moveNumber]);
13915 // [HGM] PV info: display PV info together with (or as) comment
13916 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
13917 if(text == NULL) text = "";
13918 score = pvInfoList[moveNumber].score;
13919 sprintf(buf, "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
13920 depth, (pvInfoList[moveNumber].time+50)/100, text);
13923 if (text != NULL && (appData.autoDisplayComment || commentUp))
13924 CommentPopUp(title, text);
13927 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
13928 * might be busy thinking or pondering. It can be omitted if your
13929 * gnuchess is configured to stop thinking immediately on any user
13930 * input. However, that gnuchess feature depends on the FIONREAD
13931 * ioctl, which does not work properly on some flavors of Unix.
13935 ChessProgramState *cps;
13938 if (!cps->useSigint) return;
13939 if (appData.noChessProgram || (cps->pr == NoProc)) return;
13940 switch (gameMode) {
13941 case MachinePlaysWhite:
13942 case MachinePlaysBlack:
13943 case TwoMachinesPlay:
13944 case IcsPlayingWhite:
13945 case IcsPlayingBlack:
13948 /* Skip if we know it isn't thinking */
13949 if (!cps->maybeThinking) return;
13950 if (appData.debugMode)
13951 fprintf(debugFP, "Interrupting %s\n", cps->which);
13952 InterruptChildProcess(cps->pr);
13953 cps->maybeThinking = FALSE;
13958 #endif /*ATTENTION*/
13964 if (whiteTimeRemaining <= 0) {
13967 if (appData.icsActive) {
13968 if (appData.autoCallFlag &&
13969 gameMode == IcsPlayingBlack && !blackFlag) {
13970 SendToICS(ics_prefix);
13971 SendToICS("flag\n");
13975 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
13977 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
13978 if (appData.autoCallFlag) {
13979 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
13986 if (blackTimeRemaining <= 0) {
13989 if (appData.icsActive) {
13990 if (appData.autoCallFlag &&
13991 gameMode == IcsPlayingWhite && !whiteFlag) {
13992 SendToICS(ics_prefix);
13993 SendToICS("flag\n");
13997 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
13999 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
14000 if (appData.autoCallFlag) {
14001 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
14014 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
14015 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
14018 * add time to clocks when time control is achieved ([HGM] now also used for increment)
14020 if ( !WhiteOnMove(forwardMostMove) )
14021 /* White made time control */
14022 whiteTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
14023 /* [HGM] time odds: correct new time quota for time odds! */
14024 / WhitePlayer()->timeOdds;
14026 /* Black made time control */
14027 blackTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
14028 / WhitePlayer()->other->timeOdds;
14032 DisplayBothClocks()
14034 int wom = gameMode == EditPosition ?
14035 !blackPlaysFirst : WhiteOnMove(currentMove);
14036 DisplayWhiteClock(whiteTimeRemaining, wom);
14037 DisplayBlackClock(blackTimeRemaining, !wom);
14041 /* Timekeeping seems to be a portability nightmare. I think everyone
14042 has ftime(), but I'm really not sure, so I'm including some ifdefs
14043 to use other calls if you don't. Clocks will be less accurate if
14044 you have neither ftime nor gettimeofday.
14047 /* VS 2008 requires the #include outside of the function */
14048 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
14049 #include <sys/timeb.h>
14052 /* Get the current time as a TimeMark */
14057 #if HAVE_GETTIMEOFDAY
14059 struct timeval timeVal;
14060 struct timezone timeZone;
14062 gettimeofday(&timeVal, &timeZone);
14063 tm->sec = (long) timeVal.tv_sec;
14064 tm->ms = (int) (timeVal.tv_usec / 1000L);
14066 #else /*!HAVE_GETTIMEOFDAY*/
14069 // include <sys/timeb.h> / moved to just above start of function
14070 struct timeb timeB;
14073 tm->sec = (long) timeB.time;
14074 tm->ms = (int) timeB.millitm;
14076 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
14077 tm->sec = (long) time(NULL);
14083 /* Return the difference in milliseconds between two
14084 time marks. We assume the difference will fit in a long!
14087 SubtractTimeMarks(tm2, tm1)
14088 TimeMark *tm2, *tm1;
14090 return 1000L*(tm2->sec - tm1->sec) +
14091 (long) (tm2->ms - tm1->ms);
14096 * Code to manage the game clocks.
14098 * In tournament play, black starts the clock and then white makes a move.
14099 * We give the human user a slight advantage if he is playing white---the
14100 * clocks don't run until he makes his first move, so it takes zero time.
14101 * Also, we don't account for network lag, so we could get out of sync
14102 * with GNU Chess's clock -- but then, referees are always right.
14105 static TimeMark tickStartTM;
14106 static long intendedTickLength;
14109 NextTickLength(timeRemaining)
14110 long timeRemaining;
14112 long nominalTickLength, nextTickLength;
14114 if (timeRemaining > 0L && timeRemaining <= 10000L)
14115 nominalTickLength = 100L;
14117 nominalTickLength = 1000L;
14118 nextTickLength = timeRemaining % nominalTickLength;
14119 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
14121 return nextTickLength;
14124 /* Adjust clock one minute up or down */
14126 AdjustClock(Boolean which, int dir)
14128 if(which) blackTimeRemaining += 60000*dir;
14129 else whiteTimeRemaining += 60000*dir;
14130 DisplayBothClocks();
14133 /* Stop clocks and reset to a fresh time control */
14137 (void) StopClockTimer();
14138 if (appData.icsActive) {
14139 whiteTimeRemaining = blackTimeRemaining = 0;
14140 } else if (searchTime) {
14141 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14142 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14143 } else { /* [HGM] correct new time quote for time odds */
14144 whiteTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->timeOdds;
14145 blackTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->other->timeOdds;
14147 if (whiteFlag || blackFlag) {
14149 whiteFlag = blackFlag = FALSE;
14151 DisplayBothClocks();
14154 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
14156 /* Decrement running clock by amount of time that has passed */
14160 long timeRemaining;
14161 long lastTickLength, fudge;
14164 if (!appData.clockMode) return;
14165 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
14169 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14171 /* Fudge if we woke up a little too soon */
14172 fudge = intendedTickLength - lastTickLength;
14173 if (fudge < 0 || fudge > FUDGE) fudge = 0;
14175 if (WhiteOnMove(forwardMostMove)) {
14176 if(whiteNPS >= 0) lastTickLength = 0;
14177 timeRemaining = whiteTimeRemaining -= lastTickLength;
14178 DisplayWhiteClock(whiteTimeRemaining - fudge,
14179 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14181 if(blackNPS >= 0) lastTickLength = 0;
14182 timeRemaining = blackTimeRemaining -= lastTickLength;
14183 DisplayBlackClock(blackTimeRemaining - fudge,
14184 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14187 if (CheckFlags()) return;
14190 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
14191 StartClockTimer(intendedTickLength);
14193 /* if the time remaining has fallen below the alarm threshold, sound the
14194 * alarm. if the alarm has sounded and (due to a takeback or time control
14195 * with increment) the time remaining has increased to a level above the
14196 * threshold, reset the alarm so it can sound again.
14199 if (appData.icsActive && appData.icsAlarm) {
14201 /* make sure we are dealing with the user's clock */
14202 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
14203 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
14206 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
14207 alarmSounded = FALSE;
14208 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
14210 alarmSounded = TRUE;
14216 /* A player has just moved, so stop the previously running
14217 clock and (if in clock mode) start the other one.
14218 We redisplay both clocks in case we're in ICS mode, because
14219 ICS gives us an update to both clocks after every move.
14220 Note that this routine is called *after* forwardMostMove
14221 is updated, so the last fractional tick must be subtracted
14222 from the color that is *not* on move now.
14225 SwitchClocks(int newMoveNr)
14227 long lastTickLength;
14229 int flagged = FALSE;
14233 if (StopClockTimer() && appData.clockMode) {
14234 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14235 if (!WhiteOnMove(forwardMostMove)) {
14236 if(blackNPS >= 0) lastTickLength = 0;
14237 blackTimeRemaining -= lastTickLength;
14238 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14239 // if(pvInfoList[forwardMostMove-1].time == -1)
14240 pvInfoList[forwardMostMove-1].time = // use GUI time
14241 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
14243 if(whiteNPS >= 0) lastTickLength = 0;
14244 whiteTimeRemaining -= lastTickLength;
14245 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14246 // if(pvInfoList[forwardMostMove-1].time == -1)
14247 pvInfoList[forwardMostMove-1].time =
14248 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
14250 flagged = CheckFlags();
14252 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
14253 CheckTimeControl();
14255 if (flagged || !appData.clockMode) return;
14257 switch (gameMode) {
14258 case MachinePlaysBlack:
14259 case MachinePlaysWhite:
14260 case BeginningOfGame:
14261 if (pausing) return;
14265 case PlayFromGameFile:
14273 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
14274 if(WhiteOnMove(forwardMostMove))
14275 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14276 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14280 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14281 whiteTimeRemaining : blackTimeRemaining);
14282 StartClockTimer(intendedTickLength);
14286 /* Stop both clocks */
14290 long lastTickLength;
14293 if (!StopClockTimer()) return;
14294 if (!appData.clockMode) return;
14298 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14299 if (WhiteOnMove(forwardMostMove)) {
14300 if(whiteNPS >= 0) lastTickLength = 0;
14301 whiteTimeRemaining -= lastTickLength;
14302 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
14304 if(blackNPS >= 0) lastTickLength = 0;
14305 blackTimeRemaining -= lastTickLength;
14306 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
14311 /* Start clock of player on move. Time may have been reset, so
14312 if clock is already running, stop and restart it. */
14316 (void) StopClockTimer(); /* in case it was running already */
14317 DisplayBothClocks();
14318 if (CheckFlags()) return;
14320 if (!appData.clockMode) return;
14321 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
14323 GetTimeMark(&tickStartTM);
14324 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14325 whiteTimeRemaining : blackTimeRemaining);
14327 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
14328 whiteNPS = blackNPS = -1;
14329 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
14330 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
14331 whiteNPS = first.nps;
14332 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
14333 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
14334 blackNPS = first.nps;
14335 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
14336 whiteNPS = second.nps;
14337 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
14338 blackNPS = second.nps;
14339 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
14341 StartClockTimer(intendedTickLength);
14348 long second, minute, hour, day;
14350 static char buf[32];
14352 if (ms > 0 && ms <= 9900) {
14353 /* convert milliseconds to tenths, rounding up */
14354 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
14356 sprintf(buf, " %03.1f ", tenths/10.0);
14360 /* convert milliseconds to seconds, rounding up */
14361 /* use floating point to avoid strangeness of integer division
14362 with negative dividends on many machines */
14363 second = (long) floor(((double) (ms + 999L)) / 1000.0);
14370 day = second / (60 * 60 * 24);
14371 second = second % (60 * 60 * 24);
14372 hour = second / (60 * 60);
14373 second = second % (60 * 60);
14374 minute = second / 60;
14375 second = second % 60;
14378 sprintf(buf, " %s%ld:%02ld:%02ld:%02ld ",
14379 sign, day, hour, minute, second);
14381 sprintf(buf, " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
14383 sprintf(buf, " %s%2ld:%02ld ", sign, minute, second);
14390 * This is necessary because some C libraries aren't ANSI C compliant yet.
14393 StrStr(string, match)
14394 char *string, *match;
14398 length = strlen(match);
14400 for (i = strlen(string) - length; i >= 0; i--, string++)
14401 if (!strncmp(match, string, length))
14408 StrCaseStr(string, match)
14409 char *string, *match;
14413 length = strlen(match);
14415 for (i = strlen(string) - length; i >= 0; i--, string++) {
14416 for (j = 0; j < length; j++) {
14417 if (ToLower(match[j]) != ToLower(string[j]))
14420 if (j == length) return string;
14434 c1 = ToLower(*s1++);
14435 c2 = ToLower(*s2++);
14436 if (c1 > c2) return 1;
14437 if (c1 < c2) return -1;
14438 if (c1 == NULLCHAR) return 0;
14447 return isupper(c) ? tolower(c) : c;
14455 return islower(c) ? toupper(c) : c;
14457 #endif /* !_amigados */
14465 if ((ret = (char *) malloc(strlen(s) + 1))) {
14472 StrSavePtr(s, savePtr)
14473 char *s, **savePtr;
14478 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
14479 strcpy(*savePtr, s);
14491 clock = time((time_t *)NULL);
14492 tm = localtime(&clock);
14493 sprintf(buf, "%04d.%02d.%02d",
14494 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
14495 return StrSave(buf);
14500 PositionToFEN(move, overrideCastling)
14502 char *overrideCastling;
14504 int i, j, fromX, fromY, toX, toY;
14511 whiteToPlay = (gameMode == EditPosition) ?
14512 !blackPlaysFirst : (move % 2 == 0);
14515 /* Piece placement data */
14516 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14518 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14519 if (boards[move][i][j] == EmptySquare) {
14521 } else { ChessSquare piece = boards[move][i][j];
14522 if (emptycount > 0) {
14523 if(emptycount<10) /* [HGM] can be >= 10 */
14524 *p++ = '0' + emptycount;
14525 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14528 if(PieceToChar(piece) == '+') {
14529 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
14531 piece = (ChessSquare)(DEMOTED piece);
14533 *p++ = PieceToChar(piece);
14535 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
14536 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
14541 if (emptycount > 0) {
14542 if(emptycount<10) /* [HGM] can be >= 10 */
14543 *p++ = '0' + emptycount;
14544 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14551 /* [HGM] print Crazyhouse or Shogi holdings */
14552 if( gameInfo.holdingsWidth ) {
14553 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
14555 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
14556 piece = boards[move][i][BOARD_WIDTH-1];
14557 if( piece != EmptySquare )
14558 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
14559 *p++ = PieceToChar(piece);
14561 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
14562 piece = boards[move][BOARD_HEIGHT-i-1][0];
14563 if( piece != EmptySquare )
14564 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
14565 *p++ = PieceToChar(piece);
14568 if( q == p ) *p++ = '-';
14574 *p++ = whiteToPlay ? 'w' : 'b';
14577 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
14578 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
14580 if(nrCastlingRights) {
14582 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
14583 /* [HGM] write directly from rights */
14584 if(boards[move][CASTLING][2] != NoRights &&
14585 boards[move][CASTLING][0] != NoRights )
14586 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
14587 if(boards[move][CASTLING][2] != NoRights &&
14588 boards[move][CASTLING][1] != NoRights )
14589 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
14590 if(boards[move][CASTLING][5] != NoRights &&
14591 boards[move][CASTLING][3] != NoRights )
14592 *p++ = boards[move][CASTLING][3] + AAA;
14593 if(boards[move][CASTLING][5] != NoRights &&
14594 boards[move][CASTLING][4] != NoRights )
14595 *p++ = boards[move][CASTLING][4] + AAA;
14598 /* [HGM] write true castling rights */
14599 if( nrCastlingRights == 6 ) {
14600 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
14601 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
14602 if(boards[move][CASTLING][1] == BOARD_LEFT &&
14603 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
14604 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
14605 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
14606 if(boards[move][CASTLING][4] == BOARD_LEFT &&
14607 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
14610 if (q == p) *p++ = '-'; /* No castling rights */
14614 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14615 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14616 /* En passant target square */
14617 if (move > backwardMostMove) {
14618 fromX = moveList[move - 1][0] - AAA;
14619 fromY = moveList[move - 1][1] - ONE;
14620 toX = moveList[move - 1][2] - AAA;
14621 toY = moveList[move - 1][3] - ONE;
14622 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
14623 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
14624 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
14626 /* 2-square pawn move just happened */
14628 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14632 } else if(move == backwardMostMove) {
14633 // [HGM] perhaps we should always do it like this, and forget the above?
14634 if((signed char)boards[move][EP_STATUS] >= 0) {
14635 *p++ = boards[move][EP_STATUS] + AAA;
14636 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14647 /* [HGM] find reversible plies */
14648 { int i = 0, j=move;
14650 if (appData.debugMode) { int k;
14651 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
14652 for(k=backwardMostMove; k<=forwardMostMove; k++)
14653 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
14657 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
14658 if( j == backwardMostMove ) i += initialRulePlies;
14659 sprintf(p, "%d ", i);
14660 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
14662 /* Fullmove number */
14663 sprintf(p, "%d", (move / 2) + 1);
14665 return StrSave(buf);
14669 ParseFEN(board, blackPlaysFirst, fen)
14671 int *blackPlaysFirst;
14681 /* [HGM] by default clear Crazyhouse holdings, if present */
14682 if(gameInfo.holdingsWidth) {
14683 for(i=0; i<BOARD_HEIGHT; i++) {
14684 board[i][0] = EmptySquare; /* black holdings */
14685 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
14686 board[i][1] = (ChessSquare) 0; /* black counts */
14687 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
14691 /* Piece placement data */
14692 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14695 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
14696 if (*p == '/') p++;
14697 emptycount = gameInfo.boardWidth - j;
14698 while (emptycount--)
14699 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14701 #if(BOARD_FILES >= 10)
14702 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
14703 p++; emptycount=10;
14704 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14705 while (emptycount--)
14706 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14708 } else if (isdigit(*p)) {
14709 emptycount = *p++ - '0';
14710 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
14711 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14712 while (emptycount--)
14713 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14714 } else if (*p == '+' || isalpha(*p)) {
14715 if (j >= gameInfo.boardWidth) return FALSE;
14717 piece = CharToPiece(*++p);
14718 if(piece == EmptySquare) return FALSE; /* unknown piece */
14719 piece = (ChessSquare) (PROMOTED piece ); p++;
14720 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
14721 } else piece = CharToPiece(*p++);
14723 if(piece==EmptySquare) return FALSE; /* unknown piece */
14724 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
14725 piece = (ChessSquare) (PROMOTED piece);
14726 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
14729 board[i][(j++)+gameInfo.holdingsWidth] = piece;
14735 while (*p == '/' || *p == ' ') p++;
14737 /* [HGM] look for Crazyhouse holdings here */
14738 while(*p==' ') p++;
14739 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
14741 if(*p == '-' ) *p++; /* empty holdings */ else {
14742 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
14743 /* if we would allow FEN reading to set board size, we would */
14744 /* have to add holdings and shift the board read so far here */
14745 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
14747 if((int) piece >= (int) BlackPawn ) {
14748 i = (int)piece - (int)BlackPawn;
14749 i = PieceToNumber((ChessSquare)i);
14750 if( i >= gameInfo.holdingsSize ) return FALSE;
14751 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
14752 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
14754 i = (int)piece - (int)WhitePawn;
14755 i = PieceToNumber((ChessSquare)i);
14756 if( i >= gameInfo.holdingsSize ) return FALSE;
14757 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
14758 board[i][BOARD_WIDTH-2]++; /* black holdings */
14762 if(*p == ']') *p++;
14765 while(*p == ' ') p++;
14770 *blackPlaysFirst = FALSE;
14773 *blackPlaysFirst = TRUE;
14779 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
14780 /* return the extra info in global variiables */
14782 /* set defaults in case FEN is incomplete */
14783 board[EP_STATUS] = EP_UNKNOWN;
14784 for(i=0; i<nrCastlingRights; i++ ) {
14785 board[CASTLING][i] =
14786 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
14787 } /* assume possible unless obviously impossible */
14788 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
14789 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
14790 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
14791 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
14792 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
14793 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
14794 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
14795 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
14798 while(*p==' ') p++;
14799 if(nrCastlingRights) {
14800 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
14801 /* castling indicator present, so default becomes no castlings */
14802 for(i=0; i<nrCastlingRights; i++ ) {
14803 board[CASTLING][i] = NoRights;
14806 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
14807 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
14808 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
14809 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
14810 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
14812 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
14813 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
14814 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
14816 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
14817 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
14818 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
14819 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
14820 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
14821 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
14824 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
14825 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
14826 board[CASTLING][2] = whiteKingFile;
14829 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
14830 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
14831 board[CASTLING][2] = whiteKingFile;
14834 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
14835 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
14836 board[CASTLING][5] = blackKingFile;
14839 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
14840 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
14841 board[CASTLING][5] = blackKingFile;
14844 default: /* FRC castlings */
14845 if(c >= 'a') { /* black rights */
14846 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
14847 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
14848 if(i == BOARD_RGHT) break;
14849 board[CASTLING][5] = i;
14851 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
14852 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
14854 board[CASTLING][3] = c;
14856 board[CASTLING][4] = c;
14857 } else { /* white rights */
14858 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
14859 if(board[0][i] == WhiteKing) break;
14860 if(i == BOARD_RGHT) break;
14861 board[CASTLING][2] = i;
14862 c -= AAA - 'a' + 'A';
14863 if(board[0][c] >= WhiteKing) break;
14865 board[CASTLING][0] = c;
14867 board[CASTLING][1] = c;
14871 for(i=0; i<nrCastlingRights; i++)
14872 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
14873 if (appData.debugMode) {
14874 fprintf(debugFP, "FEN castling rights:");
14875 for(i=0; i<nrCastlingRights; i++)
14876 fprintf(debugFP, " %d", board[CASTLING][i]);
14877 fprintf(debugFP, "\n");
14880 while(*p==' ') p++;
14883 /* read e.p. field in games that know e.p. capture */
14884 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14885 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14887 p++; board[EP_STATUS] = EP_NONE;
14889 char c = *p++ - AAA;
14891 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
14892 if(*p >= '0' && *p <='9') *p++;
14893 board[EP_STATUS] = c;
14898 if(sscanf(p, "%d", &i) == 1) {
14899 FENrulePlies = i; /* 50-move ply counter */
14900 /* (The move number is still ignored) */
14907 EditPositionPasteFEN(char *fen)
14910 Board initial_position;
14912 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
14913 DisplayError(_("Bad FEN position in clipboard"), 0);
14916 int savedBlackPlaysFirst = blackPlaysFirst;
14917 EditPositionEvent();
14918 blackPlaysFirst = savedBlackPlaysFirst;
14919 CopyBoard(boards[0], initial_position);
14920 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
14921 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
14922 DisplayBothClocks();
14923 DrawPosition(FALSE, boards[currentMove]);
14928 static char cseq[12] = "\\ ";
14930 Boolean set_cont_sequence(char *new_seq)
14935 // handle bad attempts to set the sequence
14937 return 0; // acceptable error - no debug
14939 len = strlen(new_seq);
14940 ret = (len > 0) && (len < sizeof(cseq));
14942 strcpy(cseq, new_seq);
14943 else if (appData.debugMode)
14944 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
14949 reformat a source message so words don't cross the width boundary. internal
14950 newlines are not removed. returns the wrapped size (no null character unless
14951 included in source message). If dest is NULL, only calculate the size required
14952 for the dest buffer. lp argument indicats line position upon entry, and it's
14953 passed back upon exit.
14955 int wrap(char *dest, char *src, int count, int width, int *lp)
14957 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
14959 cseq_len = strlen(cseq);
14960 old_line = line = *lp;
14961 ansi = len = clen = 0;
14963 for (i=0; i < count; i++)
14965 if (src[i] == '\033')
14968 // if we hit the width, back up
14969 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
14971 // store i & len in case the word is too long
14972 old_i = i, old_len = len;
14974 // find the end of the last word
14975 while (i && src[i] != ' ' && src[i] != '\n')
14981 // word too long? restore i & len before splitting it
14982 if ((old_i-i+clen) >= width)
14989 if (i && src[i-1] == ' ')
14992 if (src[i] != ' ' && src[i] != '\n')
14999 // now append the newline and continuation sequence
15004 strncpy(dest+len, cseq, cseq_len);
15012 dest[len] = src[i];
15016 if (src[i] == '\n')
15021 if (dest && appData.debugMode)
15023 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
15024 count, width, line, len, *lp);
15025 show_bytes(debugFP, src, count);
15026 fprintf(debugFP, "\ndest: ");
15027 show_bytes(debugFP, dest, len);
15028 fprintf(debugFP, "\n");
15030 *lp = dest ? line : old_line;
15035 // [HGM] vari: routines for shelving variations
15038 PushTail(int firstMove, int lastMove)
15040 int i, j, nrMoves = lastMove - firstMove;
15042 if(appData.icsActive) { // only in local mode
15043 forwardMostMove = currentMove; // mimic old ICS behavior
15046 if(storedGames >= MAX_VARIATIONS-1) return;
15048 // push current tail of game on stack
15049 savedResult[storedGames] = gameInfo.result;
15050 savedDetails[storedGames] = gameInfo.resultDetails;
15051 gameInfo.resultDetails = NULL;
15052 savedFirst[storedGames] = firstMove;
15053 savedLast [storedGames] = lastMove;
15054 savedFramePtr[storedGames] = framePtr;
15055 framePtr -= nrMoves; // reserve space for the boards
15056 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
15057 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
15058 for(j=0; j<MOVE_LEN; j++)
15059 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
15060 for(j=0; j<2*MOVE_LEN; j++)
15061 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
15062 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
15063 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
15064 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
15065 pvInfoList[firstMove+i-1].depth = 0;
15066 commentList[framePtr+i] = commentList[firstMove+i];
15067 commentList[firstMove+i] = NULL;
15071 forwardMostMove = firstMove; // truncate game so we can start variation
15072 if(storedGames == 1) GreyRevert(FALSE);
15076 PopTail(Boolean annotate)
15079 char buf[8000], moveBuf[20];
15081 if(appData.icsActive) return FALSE; // only in local mode
15082 if(!storedGames) return FALSE; // sanity
15083 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
15086 ToNrEvent(savedFirst[storedGames]); // sets currentMove
15087 nrMoves = savedLast[storedGames] - currentMove;
15090 if(!WhiteOnMove(currentMove)) sprintf(buf, "(%d...", currentMove+2>>1);
15091 else strcpy(buf, "(");
15092 for(i=currentMove; i<forwardMostMove; i++) {
15094 sprintf(moveBuf, " %d. %s", i+2>>1, SavePart(parseList[i]));
15095 else sprintf(moveBuf, " %s", SavePart(parseList[i]));
15096 strcat(buf, moveBuf);
15097 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
15098 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
15102 for(i=1; i<=nrMoves; i++) { // copy last variation back
15103 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
15104 for(j=0; j<MOVE_LEN; j++)
15105 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
15106 for(j=0; j<2*MOVE_LEN; j++)
15107 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
15108 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
15109 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
15110 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
15111 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
15112 commentList[currentMove+i] = commentList[framePtr+i];
15113 commentList[framePtr+i] = NULL;
15115 if(annotate) AppendComment(currentMove+1, buf, FALSE);
15116 framePtr = savedFramePtr[storedGames];
15117 gameInfo.result = savedResult[storedGames];
15118 if(gameInfo.resultDetails != NULL) {
15119 free(gameInfo.resultDetails);
15121 gameInfo.resultDetails = savedDetails[storedGames];
15122 forwardMostMove = currentMove + nrMoves;
15123 if(storedGames == 0) GreyRevert(TRUE);
15129 { // remove all shelved variations
15131 for(i=0; i<storedGames; i++) {
15132 if(savedDetails[i])
15133 free(savedDetails[i]);
15134 savedDetails[i] = NULL;
15136 for(i=framePtr; i<MAX_MOVES; i++) {
15137 if(commentList[i]) free(commentList[i]);
15138 commentList[i] = NULL;
15140 framePtr = MAX_MOVES-1;
15145 LoadVariation(int index, char *text)
15146 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
15147 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
15148 int level = 0, move;
15150 if(gameMode != EditGame && gameMode != AnalyzeMode) return;
15151 // first find outermost bracketing variation
15152 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
15153 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
15154 if(*p == '{') wait = '}'; else
15155 if(*p == '[') wait = ']'; else
15156 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
15157 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
15159 if(*p == wait) wait = NULLCHAR; // closing ]} found
15162 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
15163 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
15164 end[1] = NULLCHAR; // clip off comment beyond variation
15165 ToNrEvent(currentMove-1);
15166 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
15167 // kludge: use ParsePV() to append variation to game
15168 move = currentMove;
15169 ParsePV(start, TRUE);
15170 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
15171 ClearPremoveHighlights();
15173 ToNrEvent(currentMove+1);