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 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((void));
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 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
246 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
247 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
248 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
249 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
250 int opponentKibitzes;
251 int lastSavedGame; /* [HGM] save: ID of game */
252 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
253 extern int chatCount;
255 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
257 /* States for ics_getting_history */
259 #define H_REQUESTED 1
260 #define H_GOT_REQ_HEADER 2
261 #define H_GOT_UNREQ_HEADER 3
262 #define H_GETTING_MOVES 4
263 #define H_GOT_UNWANTED_HEADER 5
265 /* whosays values for GameEnds */
274 /* Maximum number of games in a cmail message */
275 #define CMAIL_MAX_GAMES 20
277 /* Different types of move when calling RegisterMove */
279 #define CMAIL_RESIGN 1
281 #define CMAIL_ACCEPT 3
283 /* Different types of result to remember for each game */
284 #define CMAIL_NOT_RESULT 0
285 #define CMAIL_OLD_RESULT 1
286 #define CMAIL_NEW_RESULT 2
288 /* Telnet protocol constants */
299 static char * safeStrCpy( char * dst, const char * src, size_t count )
301 assert( dst != NULL );
302 assert( src != NULL );
305 strncpy( dst, src, count );
306 dst[ count-1 ] = '\0';
310 /* Some compiler can't cast u64 to double
311 * This function do the job for us:
313 * We use the highest bit for cast, this only
314 * works if the highest bit is not
315 * in use (This should not happen)
317 * We used this for all compiler
320 u64ToDouble(u64 value)
323 u64 tmp = value & u64Const(0x7fffffffffffffff);
324 r = (double)(s64)tmp;
325 if (value & u64Const(0x8000000000000000))
326 r += 9.2233720368547758080e18; /* 2^63 */
330 /* Fake up flags for now, as we aren't keeping track of castling
331 availability yet. [HGM] Change of logic: the flag now only
332 indicates the type of castlings allowed by the rule of the game.
333 The actual rights themselves are maintained in the array
334 castlingRights, as part of the game history, and are not probed
340 int flags = F_ALL_CASTLE_OK;
341 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
342 switch (gameInfo.variant) {
344 flags &= ~F_ALL_CASTLE_OK;
345 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
346 flags |= F_IGNORE_CHECK;
348 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
351 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
353 case VariantKriegspiel:
354 flags |= F_KRIEGSPIEL_CAPTURE;
356 case VariantCapaRandom:
357 case VariantFischeRandom:
358 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
359 case VariantNoCastle:
360 case VariantShatranj:
363 flags &= ~F_ALL_CASTLE_OK;
371 FILE *gameFileFP, *debugFP;
374 [AS] Note: sometimes, the sscanf() function is used to parse the input
375 into a fixed-size buffer. Because of this, we must be prepared to
376 receive strings as long as the size of the input buffer, which is currently
377 set to 4K for Windows and 8K for the rest.
378 So, we must either allocate sufficiently large buffers here, or
379 reduce the size of the input buffer in the input reading part.
382 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
383 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
384 char thinkOutput1[MSG_SIZ*10];
386 ChessProgramState first, second;
388 /* premove variables */
391 int premoveFromX = 0;
392 int premoveFromY = 0;
393 int premovePromoChar = 0;
395 Boolean alarmSounded;
396 /* end premove variables */
398 char *ics_prefix = "$";
399 int ics_type = ICS_GENERIC;
401 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
402 int pauseExamForwardMostMove = 0;
403 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
404 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
405 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
406 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
407 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
408 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
409 int whiteFlag = FALSE, blackFlag = FALSE;
410 int userOfferedDraw = FALSE;
411 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
412 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
413 int cmailMoveType[CMAIL_MAX_GAMES];
414 long ics_clock_paused = 0;
415 ProcRef icsPR = NoProc, cmailPR = NoProc;
416 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
417 GameMode gameMode = BeginningOfGame;
418 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
419 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
420 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
421 int hiddenThinkOutputState = 0; /* [AS] */
422 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
423 int adjudicateLossPlies = 6;
424 char white_holding[64], black_holding[64];
425 TimeMark lastNodeCountTime;
426 long lastNodeCount=0;
427 int have_sent_ICS_logon = 0;
429 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement;
430 long timeControl_2; /* [AS] Allow separate time controls */
431 char *fullTimeControlString = NULL; /* [HGM] secondary TC: merge of MPS, TC and inc */
432 long timeRemaining[2][MAX_MOVES];
434 TimeMark programStartTime;
435 char ics_handle[MSG_SIZ];
436 int have_set_title = 0;
438 /* animateTraining preserves the state of appData.animate
439 * when Training mode is activated. This allows the
440 * response to be animated when appData.animate == TRUE and
441 * appData.animateDragging == TRUE.
443 Boolean animateTraining;
449 Board boards[MAX_MOVES];
450 /* [HGM] Following 7 needed for accurate legality tests: */
451 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
452 signed char initialRights[BOARD_FILES];
453 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
454 int initialRulePlies, FENrulePlies;
455 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
458 int mute; // mute all sounds
460 // [HGM] vari: next 12 to save and restore variations
461 #define MAX_VARIATIONS 10
462 int framePtr = MAX_MOVES-1; // points to free stack entry
464 int savedFirst[MAX_VARIATIONS];
465 int savedLast[MAX_VARIATIONS];
466 int savedFramePtr[MAX_VARIATIONS];
467 char *savedDetails[MAX_VARIATIONS];
468 ChessMove savedResult[MAX_VARIATIONS];
470 void PushTail P((int firstMove, int lastMove));
471 Boolean PopTail P((Boolean annotate));
472 void CleanupTail P((void));
474 ChessSquare FIDEArray[2][BOARD_FILES] = {
475 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
476 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
477 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
478 BlackKing, BlackBishop, BlackKnight, BlackRook }
481 ChessSquare twoKingsArray[2][BOARD_FILES] = {
482 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
483 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
484 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
485 BlackKing, BlackKing, BlackKnight, BlackRook }
488 ChessSquare KnightmateArray[2][BOARD_FILES] = {
489 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
490 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
491 { BlackRook, BlackMan, BlackBishop, BlackQueen,
492 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
495 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
496 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
497 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
498 { BlackLance, BlackAlfil, BlackMarshall, BlackAngel,
499 BlackKing, BlackMarshall, BlackAlfil, BlackLance }
502 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
503 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
504 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
505 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
506 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
509 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
510 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
511 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
512 { BlackRook, BlackKnight, BlackMan, BlackFerz,
513 BlackKing, BlackMan, BlackKnight, BlackRook }
517 #if (BOARD_FILES>=10)
518 ChessSquare ShogiArray[2][BOARD_FILES] = {
519 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
520 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
521 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
522 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
525 ChessSquare XiangqiArray[2][BOARD_FILES] = {
526 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
527 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
528 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
529 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
532 ChessSquare CapablancaArray[2][BOARD_FILES] = {
533 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
534 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
535 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
536 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
539 ChessSquare GreatArray[2][BOARD_FILES] = {
540 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
541 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
542 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
543 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
546 ChessSquare JanusArray[2][BOARD_FILES] = {
547 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
548 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
549 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
550 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
554 ChessSquare GothicArray[2][BOARD_FILES] = {
555 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
556 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
557 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
558 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
561 #define GothicArray CapablancaArray
565 ChessSquare FalconArray[2][BOARD_FILES] = {
566 { WhiteRook, WhiteKnight, WhiteBishop, WhiteLance, WhiteQueen,
567 WhiteKing, WhiteLance, WhiteBishop, WhiteKnight, WhiteRook },
568 { BlackRook, BlackKnight, BlackBishop, BlackLance, BlackQueen,
569 BlackKing, BlackLance, BlackBishop, BlackKnight, BlackRook }
572 #define FalconArray CapablancaArray
575 #else // !(BOARD_FILES>=10)
576 #define XiangqiPosition FIDEArray
577 #define CapablancaArray FIDEArray
578 #define GothicArray FIDEArray
579 #define GreatArray FIDEArray
580 #endif // !(BOARD_FILES>=10)
582 #if (BOARD_FILES>=12)
583 ChessSquare CourierArray[2][BOARD_FILES] = {
584 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
585 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
586 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
587 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
589 #else // !(BOARD_FILES>=12)
590 #define CourierArray CapablancaArray
591 #endif // !(BOARD_FILES>=12)
594 Board initialPosition;
597 /* Convert str to a rating. Checks for special cases of "----",
599 "++++", etc. Also strips ()'s */
601 string_to_rating(str)
604 while(*str && !isdigit(*str)) ++str;
606 return 0; /* One of the special "no rating" cases */
614 /* Init programStats */
615 programStats.movelist[0] = 0;
616 programStats.depth = 0;
617 programStats.nr_moves = 0;
618 programStats.moves_left = 0;
619 programStats.nodes = 0;
620 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
621 programStats.score = 0;
622 programStats.got_only_move = 0;
623 programStats.got_fail = 0;
624 programStats.line_is_book = 0;
630 int matched, min, sec;
632 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
634 GetTimeMark(&programStartTime);
635 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
638 programStats.ok_to_send = 1;
639 programStats.seen_stat = 0;
642 * Initialize game list
648 * Internet chess server status
650 if (appData.icsActive) {
651 appData.matchMode = FALSE;
652 appData.matchGames = 0;
654 appData.noChessProgram = !appData.zippyPlay;
656 appData.zippyPlay = FALSE;
657 appData.zippyTalk = FALSE;
658 appData.noChessProgram = TRUE;
660 if (*appData.icsHelper != NULLCHAR) {
661 appData.useTelnet = TRUE;
662 appData.telnetProgram = appData.icsHelper;
665 appData.zippyTalk = appData.zippyPlay = FALSE;
668 /* [AS] Initialize pv info list [HGM] and game state */
672 for( i=0; i<=framePtr; i++ ) {
673 pvInfoList[i].depth = -1;
674 boards[i][EP_STATUS] = EP_NONE;
675 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
680 * Parse timeControl resource
682 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
683 appData.movesPerSession)) {
685 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
686 DisplayFatalError(buf, 0, 2);
690 * Parse searchTime resource
692 if (*appData.searchTime != NULLCHAR) {
693 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
695 searchTime = min * 60;
696 } else if (matched == 2) {
697 searchTime = min * 60 + sec;
700 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
701 DisplayFatalError(buf, 0, 2);
705 /* [AS] Adjudication threshold */
706 adjudicateLossThreshold = appData.adjudicateLossThreshold;
708 first.which = "first";
709 second.which = "second";
710 first.maybeThinking = second.maybeThinking = FALSE;
711 first.pr = second.pr = NoProc;
712 first.isr = second.isr = NULL;
713 first.sendTime = second.sendTime = 2;
714 first.sendDrawOffers = 1;
715 if (appData.firstPlaysBlack) {
716 first.twoMachinesColor = "black\n";
717 second.twoMachinesColor = "white\n";
719 first.twoMachinesColor = "white\n";
720 second.twoMachinesColor = "black\n";
722 first.program = appData.firstChessProgram;
723 second.program = appData.secondChessProgram;
724 first.host = appData.firstHost;
725 second.host = appData.secondHost;
726 first.dir = appData.firstDirectory;
727 second.dir = appData.secondDirectory;
728 first.other = &second;
729 second.other = &first;
730 first.initString = appData.initString;
731 second.initString = appData.secondInitString;
732 first.computerString = appData.firstComputerString;
733 second.computerString = appData.secondComputerString;
734 first.useSigint = second.useSigint = TRUE;
735 first.useSigterm = second.useSigterm = TRUE;
736 first.reuse = appData.reuseFirst;
737 second.reuse = appData.reuseSecond;
738 first.nps = appData.firstNPS; // [HGM] nps: copy nodes per second
739 second.nps = appData.secondNPS;
740 first.useSetboard = second.useSetboard = FALSE;
741 first.useSAN = second.useSAN = FALSE;
742 first.usePing = second.usePing = FALSE;
743 first.lastPing = second.lastPing = 0;
744 first.lastPong = second.lastPong = 0;
745 first.usePlayother = second.usePlayother = FALSE;
746 first.useColors = second.useColors = TRUE;
747 first.useUsermove = second.useUsermove = FALSE;
748 first.sendICS = second.sendICS = FALSE;
749 first.sendName = second.sendName = appData.icsActive;
750 first.sdKludge = second.sdKludge = FALSE;
751 first.stKludge = second.stKludge = FALSE;
752 TidyProgramName(first.program, first.host, first.tidy);
753 TidyProgramName(second.program, second.host, second.tidy);
754 first.matchWins = second.matchWins = 0;
755 strcpy(first.variants, appData.variant);
756 strcpy(second.variants, appData.variant);
757 first.analysisSupport = second.analysisSupport = 2; /* detect */
758 first.analyzing = second.analyzing = FALSE;
759 first.initDone = second.initDone = FALSE;
761 /* New features added by Tord: */
762 first.useFEN960 = FALSE; second.useFEN960 = FALSE;
763 first.useOOCastle = TRUE; second.useOOCastle = TRUE;
764 /* End of new features added by Tord. */
765 first.fenOverride = appData.fenOverride1;
766 second.fenOverride = appData.fenOverride2;
768 /* [HGM] time odds: set factor for each machine */
769 first.timeOdds = appData.firstTimeOdds;
770 second.timeOdds = appData.secondTimeOdds;
772 if(appData.timeOddsMode) {
773 norm = first.timeOdds;
774 if(norm > second.timeOdds) norm = second.timeOdds;
776 first.timeOdds /= norm;
777 second.timeOdds /= norm;
780 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
781 first.accumulateTC = appData.firstAccumulateTC;
782 second.accumulateTC = appData.secondAccumulateTC;
783 first.maxNrOfSessions = second.maxNrOfSessions = 1;
786 first.debug = second.debug = FALSE;
787 first.supportsNPS = second.supportsNPS = UNKNOWN;
790 first.optionSettings = appData.firstOptions;
791 second.optionSettings = appData.secondOptions;
793 first.scoreIsAbsolute = appData.firstScoreIsAbsolute; /* [AS] */
794 second.scoreIsAbsolute = appData.secondScoreIsAbsolute; /* [AS] */
795 first.isUCI = appData.firstIsUCI; /* [AS] */
796 second.isUCI = appData.secondIsUCI; /* [AS] */
797 first.hasOwnBookUCI = appData.firstHasOwnBookUCI; /* [AS] */
798 second.hasOwnBookUCI = appData.secondHasOwnBookUCI; /* [AS] */
800 if (appData.firstProtocolVersion > PROTOVER ||
801 appData.firstProtocolVersion < 1) {
803 sprintf(buf, _("protocol version %d not supported"),
804 appData.firstProtocolVersion);
805 DisplayFatalError(buf, 0, 2);
807 first.protocolVersion = appData.firstProtocolVersion;
810 if (appData.secondProtocolVersion > PROTOVER ||
811 appData.secondProtocolVersion < 1) {
813 sprintf(buf, _("protocol version %d not supported"),
814 appData.secondProtocolVersion);
815 DisplayFatalError(buf, 0, 2);
817 second.protocolVersion = appData.secondProtocolVersion;
820 if (appData.icsActive) {
821 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
822 // } else if (*appData.searchTime != NULLCHAR || appData.noChessProgram) {
823 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
824 appData.clockMode = FALSE;
825 first.sendTime = second.sendTime = 0;
829 /* Override some settings from environment variables, for backward
830 compatibility. Unfortunately it's not feasible to have the env
831 vars just set defaults, at least in xboard. Ugh.
833 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
838 if (appData.noChessProgram) {
839 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
840 sprintf(programVersion, "%s", PACKAGE_STRING);
842 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
843 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
844 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
847 if (!appData.icsActive) {
849 /* Check for variants that are supported only in ICS mode,
850 or not at all. Some that are accepted here nevertheless
851 have bugs; see comments below.
853 VariantClass variant = StringToVariant(appData.variant);
855 case VariantBughouse: /* need four players and two boards */
856 case VariantKriegspiel: /* need to hide pieces and move details */
857 /* case VariantFischeRandom: (Fabien: moved below) */
858 sprintf(buf, _("Variant %s supported only in ICS mode"), appData.variant);
859 DisplayFatalError(buf, 0, 2);
863 case VariantLoadable:
873 sprintf(buf, _("Unknown variant name %s"), appData.variant);
874 DisplayFatalError(buf, 0, 2);
877 case VariantXiangqi: /* [HGM] repetition rules not implemented */
878 case VariantFairy: /* [HGM] TestLegality definitely off! */
879 case VariantGothic: /* [HGM] should work */
880 case VariantCapablanca: /* [HGM] should work */
881 case VariantCourier: /* [HGM] initial forced moves not implemented */
882 case VariantShogi: /* [HGM] drops not tested for legality */
883 case VariantKnightmate: /* [HGM] should work */
884 case VariantCylinder: /* [HGM] untested */
885 case VariantFalcon: /* [HGM] untested */
886 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
887 offboard interposition not understood */
888 case VariantNormal: /* definitely works! */
889 case VariantWildCastle: /* pieces not automatically shuffled */
890 case VariantNoCastle: /* pieces not automatically shuffled */
891 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
892 case VariantLosers: /* should work except for win condition,
893 and doesn't know captures are mandatory */
894 case VariantSuicide: /* should work except for win condition,
895 and doesn't know captures are mandatory */
896 case VariantGiveaway: /* should work except for win condition,
897 and doesn't know captures are mandatory */
898 case VariantTwoKings: /* should work */
899 case VariantAtomic: /* should work except for win condition */
900 case Variant3Check: /* should work except for win condition */
901 case VariantShatranj: /* should work except for all win conditions */
902 case VariantMakruk: /* should work except for daw countdown */
903 case VariantBerolina: /* might work if TestLegality is off */
904 case VariantCapaRandom: /* should work */
905 case VariantJanus: /* should work */
906 case VariantSuper: /* experimental */
907 case VariantGreat: /* experimental, requires legality testing to be off */
912 InitEngineUCI( installDir, &first ); // [HGM] moved here from winboard.c, to make available in xboard
913 InitEngineUCI( installDir, &second );
916 int NextIntegerFromString( char ** str, long * value )
921 while( *s == ' ' || *s == '\t' ) {
927 if( *s >= '0' && *s <= '9' ) {
928 while( *s >= '0' && *s <= '9' ) {
929 *value = *value * 10 + (*s - '0');
941 int NextTimeControlFromString( char ** str, long * value )
944 int result = NextIntegerFromString( str, &temp );
947 *value = temp * 60; /* Minutes */
950 result = NextIntegerFromString( str, &temp );
951 *value += temp; /* Seconds */
958 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc)
959 { /* [HGM] routine added to read '+moves/time' for secondary time control */
960 int result = -1; long temp, temp2;
962 if(**str != '+') return -1; // old params remain in force!
964 if( NextTimeControlFromString( str, &temp ) ) return -1;
967 /* time only: incremental or sudden-death time control */
968 if(**str == '+') { /* increment follows; read it */
970 if(result = NextIntegerFromString( str, &temp2)) return -1;
973 *moves = 0; *tc = temp * 1000;
975 } else if(temp % 60 != 0) return -1; /* moves was given as min:sec */
977 (*str)++; /* classical time control */
978 result = NextTimeControlFromString( str, &temp2);
987 int GetTimeQuota(int movenr)
988 { /* [HGM] get time to add from the multi-session time-control string */
989 int moves=1; /* kludge to force reading of first session */
990 long time, increment;
991 char *s = fullTimeControlString;
993 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", fullTimeControlString);
995 if(moves) NextSessionFromString(&s, &moves, &time, &increment);
996 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
997 if(movenr == -1) return time; /* last move before new session */
998 if(!moves) return increment; /* current session is incremental */
999 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1000 } while(movenr >= -1); /* try again for next session */
1002 return 0; // no new time quota on this move
1006 ParseTimeControl(tc, ti, mps)
1015 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1018 sprintf(buf, "+%d/%s+%d", mps, tc, ti);
1019 else sprintf(buf, "+%s+%d", tc, ti);
1022 sprintf(buf, "+%d/%s", mps, tc);
1023 else sprintf(buf, "+%s", tc);
1025 fullTimeControlString = StrSave(buf);
1027 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1032 /* Parse second time control */
1035 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1043 timeControl_2 = tc2 * 1000;
1053 timeControl = tc1 * 1000;
1056 timeIncrement = ti * 1000; /* convert to ms */
1057 movesPerSession = 0;
1060 movesPerSession = mps;
1068 if (appData.debugMode) {
1069 fprintf(debugFP, "%s\n", programVersion);
1072 set_cont_sequence(appData.wrapContSeq);
1073 if (appData.matchGames > 0) {
1074 appData.matchMode = TRUE;
1075 } else if (appData.matchMode) {
1076 appData.matchGames = 1;
1078 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1079 appData.matchGames = appData.sameColorGames;
1080 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1081 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1082 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1085 if (appData.noChessProgram || first.protocolVersion == 1) {
1088 /* kludge: allow timeout for initial "feature" commands */
1090 DisplayMessage("", _("Starting chess program"));
1091 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1096 InitBackEnd3 P((void))
1098 GameMode initialMode;
1102 InitChessProgram(&first, startedFromSetupPosition);
1105 if (appData.icsActive)
1110 if (*appData.icsCommPort != NULLCHAR)
1112 sprintf(buf, _("Could not open comm port %s"),
1113 appData.icsCommPort);
1117 snprintf(buf, sizeof(buf), _("Could not connect to host %s, port %s"),
1118 appData.icsHost, appData.icsPort);
1120 DisplayFatalError(buf, err, 1);
1126 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1128 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1129 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1130 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1132 else if (appData.noChessProgram)
1141 if (*appData.cmailGameName != NULLCHAR)
1144 OpenLoopback(&cmailPR);
1146 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1150 DisplayMessage("", "");
1151 if (StrCaseCmp(appData.initialMode, "") == 0)
1153 initialMode = BeginningOfGame;
1155 else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0)
1157 initialMode = TwoMachinesPlay;
1159 else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0)
1161 initialMode = AnalyzeFile;
1163 else if (StrCaseCmp(appData.initialMode, "Analysis") == 0)
1165 initialMode = AnalyzeMode;
1167 else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0)
1169 initialMode = MachinePlaysWhite;
1171 else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0)
1173 initialMode = MachinePlaysBlack;
1175 else if (StrCaseCmp(appData.initialMode, "EditGame") == 0)
1177 initialMode = EditGame;
1179 else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0)
1181 initialMode = EditPosition;
1183 else if (StrCaseCmp(appData.initialMode, "Training") == 0)
1185 initialMode = Training;
1189 sprintf(buf, _("Unknown initialMode %s"), appData.initialMode);
1190 DisplayFatalError(buf, 0, 2);
1194 if (appData.matchMode)
1196 /* Set up machine vs. machine match */
1197 if (appData.noChessProgram)
1199 DisplayFatalError(_("Can't have a match with no chess programs"),
1205 if (*appData.loadGameFile != NULLCHAR)
1207 int index = appData.loadGameIndex; // [HGM] autoinc
1208 if(index<0) lastIndex = index = 1;
1209 if (!LoadGameFromFile(appData.loadGameFile,
1211 appData.loadGameFile, FALSE))
1213 DisplayFatalError(_("Bad game file"), 0, 1);
1217 else if (*appData.loadPositionFile != NULLCHAR)
1219 int index = appData.loadPositionIndex; // [HGM] autoinc
1220 if(index<0) lastIndex = index = 1;
1221 if (!LoadPositionFromFile(appData.loadPositionFile,
1223 appData.loadPositionFile))
1225 DisplayFatalError(_("Bad position file"), 0, 1);
1231 else if (*appData.cmailGameName != NULLCHAR)
1233 /* Set up cmail mode */
1234 ReloadCmailMsgEvent(TRUE);
1238 /* Set up other modes */
1239 if (initialMode == AnalyzeFile)
1241 if (*appData.loadGameFile == NULLCHAR)
1243 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1247 if (*appData.loadGameFile != NULLCHAR)
1249 (void) LoadGameFromFile(appData.loadGameFile,
1250 appData.loadGameIndex,
1251 appData.loadGameFile, TRUE);
1253 else if (*appData.loadPositionFile != NULLCHAR)
1255 (void) LoadPositionFromFile(appData.loadPositionFile,
1256 appData.loadPositionIndex,
1257 appData.loadPositionFile);
1258 /* [HGM] try to make self-starting even after FEN load */
1259 /* to allow automatic setup of fairy variants with wtm */
1260 if(initialMode == BeginningOfGame && !blackPlaysFirst)
1262 gameMode = BeginningOfGame;
1263 setboardSpoiledMachineBlack = 1;
1265 /* [HGM] loadPos: make that every new game uses the setup */
1266 /* from file as long as we do not switch variant */
1267 if(!blackPlaysFirst)
1269 startedFromPositionFile = TRUE;
1270 CopyBoard(filePosition, boards[0]);
1273 if (initialMode == AnalyzeMode)
1275 if (appData.noChessProgram)
1277 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1280 if (appData.icsActive)
1282 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1287 else if (initialMode == AnalyzeFile)
1289 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1290 ShowThinkingEvent();
1292 AnalysisPeriodicEvent(1);
1294 else if (initialMode == MachinePlaysWhite)
1296 if (appData.noChessProgram)
1298 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1302 if (appData.icsActive)
1304 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1308 MachineWhiteEvent();
1310 else if (initialMode == MachinePlaysBlack)
1312 if (appData.noChessProgram)
1314 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1318 if (appData.icsActive)
1320 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1324 MachineBlackEvent();
1326 else if (initialMode == TwoMachinesPlay)
1328 if (appData.noChessProgram)
1330 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1334 if (appData.icsActive)
1336 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1342 else if (initialMode == EditGame)
1346 else if (initialMode == EditPosition)
1348 EditPositionEvent();
1350 else if (initialMode == Training)
1352 if (*appData.loadGameFile == NULLCHAR)
1354 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1365 * Establish will establish a contact to a remote host.port.
1366 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1367 * used to talk to the host.
1368 * Returns 0 if okay, error code if not.
1375 if (*appData.icsCommPort != NULLCHAR) {
1376 /* Talk to the host through a serial comm port */
1377 return OpenCommPort(appData.icsCommPort, &icsPR);
1379 } else if (*appData.gateway != NULLCHAR) {
1380 if (*appData.remoteShell == NULLCHAR) {
1381 /* Use the rcmd protocol to run telnet program on a gateway host */
1382 snprintf(buf, sizeof(buf), "%s %s %s",
1383 appData.telnetProgram, appData.icsHost, appData.icsPort);
1384 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1387 /* Use the rsh program to run telnet program on a gateway host */
1388 if (*appData.remoteUser == NULLCHAR) {
1389 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1390 appData.gateway, appData.telnetProgram,
1391 appData.icsHost, appData.icsPort);
1393 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1394 appData.remoteShell, appData.gateway,
1395 appData.remoteUser, appData.telnetProgram,
1396 appData.icsHost, appData.icsPort);
1398 return StartChildProcess(buf, "", &icsPR);
1401 } else if (appData.useTelnet) {
1402 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1405 /* TCP socket interface differs somewhat between
1406 Unix and NT; handle details in the front end.
1408 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1413 show_bytes(fp, buf, count)
1419 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1420 fprintf(fp, "\\%03o", *buf & 0xff);
1429 /* Returns an errno value */
1431 OutputMaybeTelnet(pr, message, count, outError)
1437 char buf[8192], *p, *q, *buflim;
1438 int left, newcount, outcount;
1440 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1441 *appData.gateway != NULLCHAR) {
1442 if (appData.debugMode) {
1443 fprintf(debugFP, ">ICS: ");
1444 show_bytes(debugFP, message, count);
1445 fprintf(debugFP, "\n");
1447 return OutputToProcess(pr, message, count, outError);
1450 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1457 if (appData.debugMode) {
1458 fprintf(debugFP, ">ICS: ");
1459 show_bytes(debugFP, buf, newcount);
1460 fprintf(debugFP, "\n");
1462 outcount = OutputToProcess(pr, buf, newcount, outError);
1463 if (outcount < newcount) return -1; /* to be sure */
1470 } else if (((unsigned char) *p) == TN_IAC) {
1471 *q++ = (char) TN_IAC;
1478 if (appData.debugMode) {
1479 fprintf(debugFP, ">ICS: ");
1480 show_bytes(debugFP, buf, newcount);
1481 fprintf(debugFP, "\n");
1483 outcount = OutputToProcess(pr, buf, newcount, outError);
1484 if (outcount < newcount) return -1; /* to be sure */
1489 read_from_player(isr, closure, message, count, error)
1496 int outError, outCount;
1497 static int gotEof = 0;
1499 /* Pass data read from player on to ICS */
1502 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1503 if (outCount < count) {
1504 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1506 } else if (count < 0) {
1507 RemoveInputSource(isr);
1508 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1509 } else if (gotEof++ > 0) {
1510 RemoveInputSource(isr);
1511 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1517 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1518 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1519 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1520 SendToICS("date\n");
1521 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1524 /* added routine for printf style output to ics */
1525 void ics_printf(char *format, ...)
1527 char buffer[MSG_SIZ];
1530 va_start(args, format);
1531 vsnprintf(buffer, sizeof(buffer), format, args);
1532 buffer[sizeof(buffer)-1] = '\0';
1541 int count, outCount, outError;
1543 if (icsPR == NULL) return;
1546 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1547 if (outCount < count) {
1548 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1552 /* This is used for sending logon scripts to the ICS. Sending
1553 without a delay causes problems when using timestamp on ICC
1554 (at least on my machine). */
1556 SendToICSDelayed(s,msdelay)
1560 int count, outCount, outError;
1562 if (icsPR == NULL) return;
1565 if (appData.debugMode) {
1566 fprintf(debugFP, ">ICS: ");
1567 show_bytes(debugFP, s, count);
1568 fprintf(debugFP, "\n");
1570 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1572 if (outCount < count) {
1573 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1578 /* Remove all highlighting escape sequences in s
1579 Also deletes any suffix starting with '('
1582 StripHighlightAndTitle(s)
1585 static char retbuf[MSG_SIZ];
1588 while (*s != NULLCHAR) {
1589 while (*s == '\033') {
1590 while (*s != NULLCHAR && !isalpha(*s)) s++;
1591 if (*s != NULLCHAR) s++;
1593 while (*s != NULLCHAR && *s != '\033') {
1594 if (*s == '(' || *s == '[') {
1605 /* Remove all highlighting escape sequences in s */
1610 static char retbuf[MSG_SIZ];
1613 while (*s != NULLCHAR) {
1614 while (*s == '\033') {
1615 while (*s != NULLCHAR && !isalpha(*s)) s++;
1616 if (*s != NULLCHAR) s++;
1618 while (*s != NULLCHAR && *s != '\033') {
1626 char *variantNames[] = VARIANT_NAMES;
1631 return variantNames[v];
1635 /* Identify a variant from the strings the chess servers use or the
1636 PGN Variant tag names we use. */
1643 VariantClass v = VariantNormal;
1644 int i, found = FALSE;
1649 /* [HGM] skip over optional board-size prefixes */
1650 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1651 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1652 while( *e++ != '_');
1655 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1659 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1660 if (StrCaseStr(e, variantNames[i])) {
1661 v = (VariantClass) i;
1668 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1669 || StrCaseStr(e, "wild/fr")
1670 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1671 v = VariantFischeRandom;
1672 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1673 (i = 1, p = StrCaseStr(e, "w"))) {
1675 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
1682 case 0: /* FICS only, actually */
1684 /* Castling legal even if K starts on d-file */
1685 v = VariantWildCastle;
1690 /* Castling illegal even if K & R happen to start in
1691 normal positions. */
1692 v = VariantNoCastle;
1705 /* Castling legal iff K & R start in normal positions */
1711 /* Special wilds for position setup; unclear what to do here */
1712 v = VariantLoadable;
1715 /* Bizarre ICC game */
1716 v = VariantTwoKings;
1719 v = VariantKriegspiel;
1725 v = VariantFischeRandom;
1728 v = VariantCrazyhouse;
1731 v = VariantBughouse;
1737 /* Not quite the same as FICS suicide! */
1738 v = VariantGiveaway;
1744 v = VariantShatranj;
1747 /* Temporary names for future ICC types. The name *will* change in
1748 the next xboard/WinBoard release after ICC defines it. */
1786 v = VariantCapablanca;
1789 v = VariantKnightmate;
1795 v = VariantCylinder;
1801 v = VariantCapaRandom;
1804 v = VariantBerolina;
1816 /* Found "wild" or "w" in the string but no number;
1817 must assume it's normal chess. */
1821 sprintf(buf, _("Unknown wild type %d"), wnum);
1822 DisplayError(buf, 0);
1828 if (appData.debugMode) {
1829 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
1830 e, wnum, VariantName(v));
1835 static int leftover_start = 0, leftover_len = 0;
1836 char star_match[STAR_MATCH_N][MSG_SIZ];
1838 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
1839 advance *index beyond it, and set leftover_start to the new value of
1840 *index; else return FALSE. If pattern contains the character '*', it
1841 matches any sequence of characters not containing '\r', '\n', or the
1842 character following the '*' (if any), and the matched sequence(s) are
1843 copied into star_match.
1846 looking_at(buf, index, pattern)
1851 char *bufp = &buf[*index], *patternp = pattern;
1853 char *matchp = star_match[0];
1856 if (*patternp == NULLCHAR) {
1857 *index = leftover_start = bufp - buf;
1861 if (*bufp == NULLCHAR) return FALSE;
1862 if (*patternp == '*') {
1863 if (*bufp == *(patternp + 1)) {
1865 matchp = star_match[++star_count];
1869 } else if (*bufp == '\n' || *bufp == '\r') {
1871 if (*patternp == NULLCHAR)
1876 *matchp++ = *bufp++;
1880 if (*patternp != *bufp) return FALSE;
1887 SendToPlayer(data, length)
1891 int error, outCount;
1892 outCount = OutputToProcess(NoProc, data, length, &error);
1893 if (outCount < length) {
1894 DisplayFatalError(_("Error writing to display"), error, 1);
1899 PackHolding(packed, holding)
1911 switch (runlength) {
1922 sprintf(q, "%d", runlength);
1934 /* Telnet protocol requests from the front end */
1936 TelnetRequest(ddww, option)
1937 unsigned char ddww, option;
1939 unsigned char msg[3];
1940 int outCount, outError;
1942 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
1944 if (appData.debugMode) {
1945 char buf1[8], buf2[8], *ddwwStr, *optionStr;
1961 sprintf(buf1, "%d", ddww);
1970 sprintf(buf2, "%d", option);
1973 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
1978 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
1980 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1987 if (!appData.icsActive) return;
1988 TelnetRequest(TN_DO, TN_ECHO);
1994 if (!appData.icsActive) return;
1995 TelnetRequest(TN_DONT, TN_ECHO);
1999 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
2001 /* put the holdings sent to us by the server on the board holdings area */
2002 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2006 if(gameInfo.holdingsWidth < 2) return;
2007 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2008 return; // prevent overwriting by pre-board holdings
2010 if( (int)lowestPiece >= BlackPawn ) {
2013 holdingsStartRow = BOARD_HEIGHT-1;
2016 holdingsColumn = BOARD_WIDTH-1;
2017 countsColumn = BOARD_WIDTH-2;
2018 holdingsStartRow = 0;
2022 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2023 board[i][holdingsColumn] = EmptySquare;
2024 board[i][countsColumn] = (ChessSquare) 0;
2026 while( (p=*holdings++) != NULLCHAR ) {
2027 piece = CharToPiece( ToUpper(p) );
2028 if(piece == EmptySquare) continue;
2029 /*j = (int) piece - (int) WhitePawn;*/
2030 j = PieceToNumber(piece);
2031 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2032 if(j < 0) continue; /* should not happen */
2033 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2034 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2035 board[holdingsStartRow+j*direction][countsColumn]++;
2041 VariantSwitch(Board board, VariantClass newVariant)
2043 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2046 startedFromPositionFile = FALSE;
2047 if(gameInfo.variant == newVariant) return;
2049 /* [HGM] This routine is called each time an assignment is made to
2050 * gameInfo.variant during a game, to make sure the board sizes
2051 * are set to match the new variant. If that means adding or deleting
2052 * holdings, we shift the playing board accordingly
2053 * This kludge is needed because in ICS observe mode, we get boards
2054 * of an ongoing game without knowing the variant, and learn about the
2055 * latter only later. This can be because of the move list we requested,
2056 * in which case the game history is refilled from the beginning anyway,
2057 * but also when receiving holdings of a crazyhouse game. In the latter
2058 * case we want to add those holdings to the already received position.
2061 if (appData.debugMode) {
2062 fprintf(debugFP, "Switch board from %s to %s\n",
2063 VariantName(gameInfo.variant), VariantName(newVariant));
2064 setbuf(debugFP, NULL);
2066 shuffleOpenings = 0; /* [HGM] shuffle */
2067 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2071 newWidth = 9; newHeight = 9;
2072 gameInfo.holdingsSize = 7;
2073 case VariantBughouse:
2074 case VariantCrazyhouse:
2075 newHoldingsWidth = 2; break;
2079 newHoldingsWidth = 2;
2080 gameInfo.holdingsSize = 8;
2083 case VariantCapablanca:
2084 case VariantCapaRandom:
2087 newHoldingsWidth = gameInfo.holdingsSize = 0;
2090 if(newWidth != gameInfo.boardWidth ||
2091 newHeight != gameInfo.boardHeight ||
2092 newHoldingsWidth != gameInfo.holdingsWidth ) {
2094 /* shift position to new playing area, if needed */
2095 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2096 for(i=0; i<BOARD_HEIGHT; i++)
2097 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2098 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2100 for(i=0; i<newHeight; i++) {
2101 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2102 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2104 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2105 for(i=0; i<BOARD_HEIGHT; i++)
2106 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2107 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2110 gameInfo.boardWidth = newWidth;
2111 gameInfo.boardHeight = newHeight;
2112 gameInfo.holdingsWidth = newHoldingsWidth;
2113 gameInfo.variant = newVariant;
2114 InitDrawingSizes(-2, 0);
2115 } else gameInfo.variant = newVariant;
2116 CopyBoard(oldBoard, board); // remember correctly formatted board
2117 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2118 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2121 static int loggedOn = FALSE;
2123 /*-- Game start info cache: --*/
2125 char gs_kind[MSG_SIZ];
2126 static char player1Name[128] = "";
2127 static char player2Name[128] = "";
2128 static char cont_seq[] = "\n\\ ";
2129 static int player1Rating = -1;
2130 static int player2Rating = -1;
2131 /*----------------------------*/
2133 ColorClass curColor = ColorNormal;
2134 int suppressKibitz = 0;
2137 Boolean soughtPending = FALSE;
2138 Boolean seekGraphUp;
2139 #define MAX_SEEK_ADS 200
2141 char *seekAdList[MAX_SEEK_ADS];
2142 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2143 float tcList[MAX_SEEK_ADS];
2144 char colorList[MAX_SEEK_ADS];
2145 int nrOfSeekAds = 0;
2146 int minRating = 1010, maxRating = 2800;
2147 int hMargin = 10, vMargin = 20, h, w;
2148 extern int squareSize, lineGap;
2153 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2154 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2155 if(r < minRating+100 && r >=0 ) r = minRating+100;
2156 if(r > maxRating) r = maxRating;
2157 if(tc < 1.) tc = 1.;
2158 if(tc > 95.) tc = 95.;
2159 x = (w-hMargin)* log(tc)/log(100.) + hMargin;
2160 y = ((double)r - minRating)/(maxRating - minRating)
2161 * (h-vMargin-squareSize/8-1) + vMargin;
2162 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2163 if(strstr(seekAdList[i], " u ")) color = 1;
2164 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2165 !strstr(seekAdList[i], "bullet") &&
2166 !strstr(seekAdList[i], "blitz") &&
2167 !strstr(seekAdList[i], "standard") ) color = 2;
2168 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2169 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2173 AddAd(char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2175 char buf[MSG_SIZ], *ext = "";
2176 VariantClass v = StringToVariant(type);
2177 if(strstr(type, "wild")) {
2178 ext = type + 4; // append wild number
2179 if(v == VariantFischeRandom) type = "chess960"; else
2180 if(v == VariantLoadable) type = "setup"; else
2181 type = VariantName(v);
2183 sprintf(buf, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2184 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2185 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2186 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2187 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2188 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2189 seekNrList[nrOfSeekAds] = nr;
2190 zList[nrOfSeekAds] = 0;
2191 seekAdList[nrOfSeekAds++] = StrSave(buf);
2192 if(plot) PlotSeekAd(nrOfSeekAds-1);
2199 int x = xList[i], y = yList[i], d=squareSize/4, k;
2200 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2201 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2202 // now replot every dot that overlapped
2203 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2204 int xx = xList[k], yy = yList[k];
2205 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2206 DrawSeekDot(xx, yy, colorList[k]);
2211 RemoveSeekAd(int nr)
2214 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2216 if(seekAdList[i]) free(seekAdList[i]);
2217 seekAdList[i] = seekAdList[--nrOfSeekAds];
2218 seekNrList[i] = seekNrList[nrOfSeekAds];
2219 ratingList[i] = ratingList[nrOfSeekAds];
2220 colorList[i] = colorList[nrOfSeekAds];
2221 tcList[i] = tcList[nrOfSeekAds];
2222 xList[i] = xList[nrOfSeekAds];
2223 yList[i] = yList[nrOfSeekAds];
2224 zList[i] = zList[nrOfSeekAds];
2225 seekAdList[nrOfSeekAds] = NULL;
2231 MatchSoughtLine(char *line)
2233 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2234 int nr, base, inc, u=0; char dummy;
2236 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2237 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2239 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2240 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2241 // match: compact and save the line
2242 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2251 if(!seekGraphUp) return FALSE;
2253 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2254 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2256 DrawSeekBackground(0, 0, w, h);
2257 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2258 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2259 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2260 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2262 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2265 sprintf(buf, "%d", i);
2266 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2269 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2270 for(i=1; i<100; i+=(i<10?1:5)) {
2271 int xx = (w-hMargin)* log((double)i)/log(100.) + hMargin;
2272 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2273 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2275 sprintf(buf, "%d", i);
2276 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2279 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2283 int SeekGraphClick(ClickType click, int x, int y, int moving)
2285 static int lastDown = 0, displayed = 0, lastSecond;
2286 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2287 if(click == Release || moving) return FALSE;
2289 soughtPending = TRUE;
2290 SendToICS(ics_prefix);
2291 SendToICS("sought\n"); // should this be "sought all"?
2292 } else { // issue challenge based on clicked ad
2293 int dist = 10000; int i, closest = 0, second = 0;
2294 for(i=0; i<nrOfSeekAds; i++) {
2295 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2296 if(d < dist) { dist = d; closest = i; }
2297 second += (d - zList[i] < 120); // count in-range ads
2298 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2302 second = (second > 1);
2303 if(displayed != closest || second != lastSecond) {
2304 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2305 lastSecond = second; displayed = closest;
2307 sprintf(buf, "play %d\n", seekNrList[closest]);
2308 if(click == Press) {
2309 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2312 } // on press 'hit', only show info
2313 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2314 SendToICS(ics_prefix);
2315 SendToICS(buf); // should this be "sought all"?
2316 } else if(click == Release) { // release 'miss' is ignored
2317 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2318 if(moving == 2) { // right up-click
2319 nrOfSeekAds = 0; // refresh graph
2320 soughtPending = TRUE;
2321 SendToICS(ics_prefix);
2322 SendToICS("sought\n"); // should this be "sought all"?
2325 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2326 // press miss or release hit 'pop down' seek graph
2327 seekGraphUp = FALSE;
2328 DrawPosition(TRUE, NULL);
2334 read_from_ics(isr, closure, data, count, error)
2341 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2342 #define STARTED_NONE 0
2343 #define STARTED_MOVES 1
2344 #define STARTED_BOARD 2
2345 #define STARTED_OBSERVE 3
2346 #define STARTED_HOLDINGS 4
2347 #define STARTED_CHATTER 5
2348 #define STARTED_COMMENT 6
2349 #define STARTED_MOVES_NOHIDE 7
2351 static int started = STARTED_NONE;
2352 static char parse[20000];
2353 static int parse_pos = 0;
2354 static char buf[BUF_SIZE + 1];
2355 static int firstTime = TRUE, intfSet = FALSE;
2356 static ColorClass prevColor = ColorNormal;
2357 static int savingComment = FALSE;
2358 static int cmatch = 0; // continuation sequence match
2365 int backup; /* [DM] For zippy color lines */
2367 char talker[MSG_SIZ]; // [HGM] chat
2370 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2372 if (appData.debugMode) {
2374 fprintf(debugFP, "<ICS: ");
2375 show_bytes(debugFP, data, count);
2376 fprintf(debugFP, "\n");
2380 if (appData.debugMode) { int f = forwardMostMove;
2381 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2382 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2383 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2386 /* If last read ended with a partial line that we couldn't parse,
2387 prepend it to the new read and try again. */
2388 if (leftover_len > 0) {
2389 for (i=0; i<leftover_len; i++)
2390 buf[i] = buf[leftover_start + i];
2393 /* copy new characters into the buffer */
2394 bp = buf + leftover_len;
2395 buf_len=leftover_len;
2396 for (i=0; i<count; i++)
2399 if (data[i] == '\r')
2402 // join lines split by ICS?
2403 if (!appData.noJoin)
2406 Joining just consists of finding matches against the
2407 continuation sequence, and discarding that sequence
2408 if found instead of copying it. So, until a match
2409 fails, there's nothing to do since it might be the
2410 complete sequence, and thus, something we don't want
2413 if (data[i] == cont_seq[cmatch])
2416 if (cmatch == strlen(cont_seq))
2418 cmatch = 0; // complete match. just reset the counter
2421 it's possible for the ICS to not include the space
2422 at the end of the last word, making our [correct]
2423 join operation fuse two separate words. the server
2424 does this when the space occurs at the width setting.
2426 if (!buf_len || buf[buf_len-1] != ' ')
2437 match failed, so we have to copy what matched before
2438 falling through and copying this character. In reality,
2439 this will only ever be just the newline character, but
2440 it doesn't hurt to be precise.
2442 strncpy(bp, cont_seq, cmatch);
2454 buf[buf_len] = NULLCHAR;
2455 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2460 while (i < buf_len) {
2461 /* Deal with part of the TELNET option negotiation
2462 protocol. We refuse to do anything beyond the
2463 defaults, except that we allow the WILL ECHO option,
2464 which ICS uses to turn off password echoing when we are
2465 directly connected to it. We reject this option
2466 if localLineEditing mode is on (always on in xboard)
2467 and we are talking to port 23, which might be a real
2468 telnet server that will try to keep WILL ECHO on permanently.
2470 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2471 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2472 unsigned char option;
2474 switch ((unsigned char) buf[++i]) {
2476 if (appData.debugMode)
2477 fprintf(debugFP, "\n<WILL ");
2478 switch (option = (unsigned char) buf[++i]) {
2480 if (appData.debugMode)
2481 fprintf(debugFP, "ECHO ");
2482 /* Reply only if this is a change, according
2483 to the protocol rules. */
2484 if (remoteEchoOption) break;
2485 if (appData.localLineEditing &&
2486 atoi(appData.icsPort) == TN_PORT) {
2487 TelnetRequest(TN_DONT, TN_ECHO);
2490 TelnetRequest(TN_DO, TN_ECHO);
2491 remoteEchoOption = TRUE;
2495 if (appData.debugMode)
2496 fprintf(debugFP, "%d ", option);
2497 /* Whatever this is, we don't want it. */
2498 TelnetRequest(TN_DONT, option);
2503 if (appData.debugMode)
2504 fprintf(debugFP, "\n<WONT ");
2505 switch (option = (unsigned char) buf[++i]) {
2507 if (appData.debugMode)
2508 fprintf(debugFP, "ECHO ");
2509 /* Reply only if this is a change, according
2510 to the protocol rules. */
2511 if (!remoteEchoOption) break;
2513 TelnetRequest(TN_DONT, TN_ECHO);
2514 remoteEchoOption = FALSE;
2517 if (appData.debugMode)
2518 fprintf(debugFP, "%d ", (unsigned char) option);
2519 /* Whatever this is, it must already be turned
2520 off, because we never agree to turn on
2521 anything non-default, so according to the
2522 protocol rules, we don't reply. */
2527 if (appData.debugMode)
2528 fprintf(debugFP, "\n<DO ");
2529 switch (option = (unsigned char) buf[++i]) {
2531 /* Whatever this is, we refuse to do it. */
2532 if (appData.debugMode)
2533 fprintf(debugFP, "%d ", option);
2534 TelnetRequest(TN_WONT, option);
2539 if (appData.debugMode)
2540 fprintf(debugFP, "\n<DONT ");
2541 switch (option = (unsigned char) buf[++i]) {
2543 if (appData.debugMode)
2544 fprintf(debugFP, "%d ", option);
2545 /* Whatever this is, we are already not doing
2546 it, because we never agree to do anything
2547 non-default, so according to the protocol
2548 rules, we don't reply. */
2553 if (appData.debugMode)
2554 fprintf(debugFP, "\n<IAC ");
2555 /* Doubled IAC; pass it through */
2559 if (appData.debugMode)
2560 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2561 /* Drop all other telnet commands on the floor */
2564 if (oldi > next_out)
2565 SendToPlayer(&buf[next_out], oldi - next_out);
2571 /* OK, this at least will *usually* work */
2572 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2576 if (loggedOn && !intfSet) {
2577 if (ics_type == ICS_ICC) {
2579 "/set-quietly interface %s\n/set-quietly style 12\n",
2581 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2582 strcat(str, "/set-2 51 1\n/set seek 1\n");
2583 } else if (ics_type == ICS_CHESSNET) {
2584 sprintf(str, "/style 12\n");
2586 strcpy(str, "alias $ @\n$set interface ");
2587 strcat(str, programVersion);
2588 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2589 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2590 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2592 strcat(str, "$iset nohighlight 1\n");
2594 strcat(str, "$iset lock 1\n$style 12\n");
2597 NotifyFrontendLogin();
2601 if (started == STARTED_COMMENT) {
2602 /* Accumulate characters in comment */
2603 parse[parse_pos++] = buf[i];
2604 if (buf[i] == '\n') {
2605 parse[parse_pos] = NULLCHAR;
2606 if(chattingPartner>=0) {
2608 sprintf(mess, "%s%s", talker, parse);
2609 OutputChatMessage(chattingPartner, mess);
2610 chattingPartner = -1;
2612 if(!suppressKibitz) // [HGM] kibitz
2613 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2614 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2615 int nrDigit = 0, nrAlph = 0, j;
2616 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2617 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2618 parse[parse_pos] = NULLCHAR;
2619 // try to be smart: if it does not look like search info, it should go to
2620 // ICS interaction window after all, not to engine-output window.
2621 for(j=0; j<parse_pos; j++) { // count letters and digits
2622 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2623 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2624 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2626 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2627 int depth=0; float score;
2628 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2629 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2630 pvInfoList[forwardMostMove-1].depth = depth;
2631 pvInfoList[forwardMostMove-1].score = 100*score;
2633 OutputKibitz(suppressKibitz, parse);
2634 next_out = i+1; // [HGM] suppress printing in ICS window
2637 sprintf(tmp, _("your opponent kibitzes: %s"), parse);
2638 SendToPlayer(tmp, strlen(tmp));
2641 started = STARTED_NONE;
2643 /* Don't match patterns against characters in comment */
2648 if (started == STARTED_CHATTER) {
2649 if (buf[i] != '\n') {
2650 /* Don't match patterns against characters in chatter */
2654 started = STARTED_NONE;
2657 /* Kludge to deal with rcmd protocol */
2658 if (firstTime && looking_at(buf, &i, "\001*")) {
2659 DisplayFatalError(&buf[1], 0, 1);
2665 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2668 if (appData.debugMode)
2669 fprintf(debugFP, "ics_type %d\n", ics_type);
2672 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2673 ics_type = ICS_FICS;
2675 if (appData.debugMode)
2676 fprintf(debugFP, "ics_type %d\n", ics_type);
2679 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
2680 ics_type = ICS_CHESSNET;
2682 if (appData.debugMode)
2683 fprintf(debugFP, "ics_type %d\n", ics_type);
2688 (looking_at(buf, &i, "\"*\" is *a registered name") ||
2689 looking_at(buf, &i, "Logging you in as \"*\"") ||
2690 looking_at(buf, &i, "will be \"*\""))) {
2691 strcpy(ics_handle, star_match[0]);
2695 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
2697 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
2698 DisplayIcsInteractionTitle(buf);
2699 have_set_title = TRUE;
2702 /* skip finger notes */
2703 if (started == STARTED_NONE &&
2704 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
2705 (buf[i] == '1' && buf[i+1] == '0')) &&
2706 buf[i+2] == ':' && buf[i+3] == ' ') {
2707 started = STARTED_CHATTER;
2712 // [HGM] seekgraph: recognize sought lines and end-of-sought message
2713 if(appData.seekGraph) {
2714 if(soughtPending && MatchSoughtLine(buf+i)) {
2715 i = strstr(buf+i, "rated") - buf;
2716 next_out = leftover_start = i;
2717 started = STARTED_CHATTER;
2718 suppressKibitz = TRUE;
2721 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
2722 && looking_at(buf, &i, "* ads displayed")) {
2723 soughtPending = FALSE;
2728 if(appData.autoRefresh) {
2729 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
2730 int s = (ics_type == ICS_ICC); // ICC format differs
2732 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
2733 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
2734 looking_at(buf, &i, "*% "); // eat prompt
2735 next_out = i; // suppress
2738 if(looking_at(buf, &i, "Ads removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
2739 char *p = star_match[0];
2741 if(seekGraphUp) RemoveSeekAd(atoi(p));
2742 while(*p && *p++ != ' '); // next
2744 looking_at(buf, &i, "*% "); // eat prompt
2751 /* skip formula vars */
2752 if (started == STARTED_NONE &&
2753 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
2754 started = STARTED_CHATTER;
2760 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
2761 if (appData.autoKibitz && started == STARTED_NONE &&
2762 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
2763 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
2764 if(looking_at(buf, &i, "* kibitzes: ") &&
2765 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
2766 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
2767 suppressKibitz = TRUE;
2768 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
2769 && (gameMode == IcsPlayingWhite)) ||
2770 (StrStr(star_match[0], gameInfo.black) == star_match[0]
2771 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
2772 started = STARTED_CHATTER; // own kibitz we simply discard
2774 started = STARTED_COMMENT; // make sure it will be collected in parse[]
2775 parse_pos = 0; parse[0] = NULLCHAR;
2776 savingComment = TRUE;
2777 suppressKibitz = gameMode != IcsObserving ? 2 :
2778 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
2782 if(looking_at(buf, &i, "kibitzed to *\n") && atoi(star_match[0])) {
2783 // suppress the acknowledgements of our own autoKibitz
2785 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
2786 SendToPlayer(star_match[0], strlen(star_match[0]));
2787 looking_at(buf, &i, "*% "); // eat prompt
2790 } // [HGM] kibitz: end of patch
2792 //if(appData.debugMode) fprintf(debugFP, "hunt for tell, buf = %s\n", buf+i);
2794 // [HGM] chat: intercept tells by users for which we have an open chat window
2796 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
2797 looking_at(buf, &i, "* whispers:") ||
2798 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
2799 looking_at(buf, &i, "*(*)(*):") && sscanf(star_match[2], "%d", &channel) == 1 )) {
2801 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
2802 chattingPartner = -1;
2804 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
2805 for(p=0; p<MAX_CHAT; p++) {
2806 if(channel == atoi(chatPartner[p])) {
2807 talker[0] = '['; strcat(talker, "] ");
2808 chattingPartner = p; break;
2811 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
2812 for(p=0; p<MAX_CHAT; p++) {
2813 if(!strcmp("WHISPER", chatPartner[p])) {
2814 talker[0] = '['; strcat(talker, "] ");
2815 chattingPartner = p; break;
2818 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
2819 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
2821 chattingPartner = p; break;
2823 if(chattingPartner<0) i = oldi; else {
2824 started = STARTED_COMMENT;
2825 parse_pos = 0; parse[0] = NULLCHAR;
2826 savingComment = 3 + chattingPartner; // counts as TRUE
2827 suppressKibitz = TRUE;
2829 } // [HGM] chat: end of patch
2831 if (appData.zippyTalk || appData.zippyPlay) {
2832 /* [DM] Backup address for color zippy lines */
2836 if (loggedOn == TRUE)
2837 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
2838 (appData.zippyPlay && ZippyMatch(buf, &backup)));
2840 if (ZippyControl(buf, &i) ||
2841 ZippyConverse(buf, &i) ||
2842 (appData.zippyPlay && ZippyMatch(buf, &i))) {
2844 if (!appData.colorize) continue;
2848 } // [DM] 'else { ' deleted
2850 /* Regular tells and says */
2851 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
2852 looking_at(buf, &i, "* (your partner) tells you: ") ||
2853 looking_at(buf, &i, "* says: ") ||
2854 /* Don't color "message" or "messages" output */
2855 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
2856 looking_at(buf, &i, "*. * at *:*: ") ||
2857 looking_at(buf, &i, "--* (*:*): ") ||
2858 /* Message notifications (same color as tells) */
2859 looking_at(buf, &i, "* has left a message ") ||
2860 looking_at(buf, &i, "* just sent you a message:\n") ||
2861 /* Whispers and kibitzes */
2862 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
2863 looking_at(buf, &i, "* kibitzes: ") ||
2865 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
2867 if (tkind == 1 && strchr(star_match[0], ':')) {
2868 /* Avoid "tells you:" spoofs in channels */
2871 if (star_match[0][0] == NULLCHAR ||
2872 strchr(star_match[0], ' ') ||
2873 (tkind == 3 && strchr(star_match[1], ' '))) {
2874 /* Reject bogus matches */
2877 if (appData.colorize) {
2878 if (oldi > next_out) {
2879 SendToPlayer(&buf[next_out], oldi - next_out);
2884 Colorize(ColorTell, FALSE);
2885 curColor = ColorTell;
2888 Colorize(ColorKibitz, FALSE);
2889 curColor = ColorKibitz;
2892 p = strrchr(star_match[1], '(');
2899 Colorize(ColorChannel1, FALSE);
2900 curColor = ColorChannel1;
2902 Colorize(ColorChannel, FALSE);
2903 curColor = ColorChannel;
2907 curColor = ColorNormal;
2911 if (started == STARTED_NONE && appData.autoComment &&
2912 (gameMode == IcsObserving ||
2913 gameMode == IcsPlayingWhite ||
2914 gameMode == IcsPlayingBlack)) {
2915 parse_pos = i - oldi;
2916 memcpy(parse, &buf[oldi], parse_pos);
2917 parse[parse_pos] = NULLCHAR;
2918 started = STARTED_COMMENT;
2919 savingComment = TRUE;
2921 started = STARTED_CHATTER;
2922 savingComment = FALSE;
2929 if (looking_at(buf, &i, "* s-shouts: ") ||
2930 looking_at(buf, &i, "* c-shouts: ")) {
2931 if (appData.colorize) {
2932 if (oldi > next_out) {
2933 SendToPlayer(&buf[next_out], oldi - next_out);
2936 Colorize(ColorSShout, FALSE);
2937 curColor = ColorSShout;
2940 started = STARTED_CHATTER;
2944 if (looking_at(buf, &i, "--->")) {
2949 if (looking_at(buf, &i, "* shouts: ") ||
2950 looking_at(buf, &i, "--> ")) {
2951 if (appData.colorize) {
2952 if (oldi > next_out) {
2953 SendToPlayer(&buf[next_out], oldi - next_out);
2956 Colorize(ColorShout, FALSE);
2957 curColor = ColorShout;
2960 started = STARTED_CHATTER;
2964 if (looking_at( buf, &i, "Challenge:")) {
2965 if (appData.colorize) {
2966 if (oldi > next_out) {
2967 SendToPlayer(&buf[next_out], oldi - next_out);
2970 Colorize(ColorChallenge, FALSE);
2971 curColor = ColorChallenge;
2977 if (looking_at(buf, &i, "* offers you") ||
2978 looking_at(buf, &i, "* offers to be") ||
2979 looking_at(buf, &i, "* would like to") ||
2980 looking_at(buf, &i, "* requests to") ||
2981 looking_at(buf, &i, "Your opponent offers") ||
2982 looking_at(buf, &i, "Your opponent requests")) {
2984 if (appData.colorize) {
2985 if (oldi > next_out) {
2986 SendToPlayer(&buf[next_out], oldi - next_out);
2989 Colorize(ColorRequest, FALSE);
2990 curColor = ColorRequest;
2995 if (looking_at(buf, &i, "* (*) seeking")) {
2996 if (appData.colorize) {
2997 if (oldi > next_out) {
2998 SendToPlayer(&buf[next_out], oldi - next_out);
3001 Colorize(ColorSeek, FALSE);
3002 curColor = ColorSeek;
3007 if (looking_at(buf, &i, "\\ ")) {
3008 if (prevColor != ColorNormal) {
3009 if (oldi > next_out) {
3010 SendToPlayer(&buf[next_out], oldi - next_out);
3013 Colorize(prevColor, TRUE);
3014 curColor = prevColor;
3016 if (savingComment) {
3017 parse_pos = i - oldi;
3018 memcpy(parse, &buf[oldi], parse_pos);
3019 parse[parse_pos] = NULLCHAR;
3020 started = STARTED_COMMENT;
3021 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3022 chattingPartner = savingComment - 3; // kludge to remember the box
3024 started = STARTED_CHATTER;
3029 if (looking_at(buf, &i, "Black Strength :") ||
3030 looking_at(buf, &i, "<<< style 10 board >>>") ||
3031 looking_at(buf, &i, "<10>") ||
3032 looking_at(buf, &i, "#@#")) {
3033 /* Wrong board style */
3035 SendToICS(ics_prefix);
3036 SendToICS("set style 12\n");
3037 SendToICS(ics_prefix);
3038 SendToICS("refresh\n");
3042 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3044 have_sent_ICS_logon = 1;
3048 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3049 (looking_at(buf, &i, "\n<12> ") ||
3050 looking_at(buf, &i, "<12> "))) {
3052 if (oldi > next_out) {
3053 SendToPlayer(&buf[next_out], oldi - next_out);
3056 started = STARTED_BOARD;
3061 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3062 looking_at(buf, &i, "<b1> ")) {
3063 if (oldi > next_out) {
3064 SendToPlayer(&buf[next_out], oldi - next_out);
3067 started = STARTED_HOLDINGS;
3072 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3074 /* Header for a move list -- first line */
3076 switch (ics_getting_history) {
3080 case BeginningOfGame:
3081 /* User typed "moves" or "oldmoves" while we
3082 were idle. Pretend we asked for these
3083 moves and soak them up so user can step
3084 through them and/or save them.
3087 gameMode = IcsObserving;
3090 ics_getting_history = H_GOT_UNREQ_HEADER;
3092 case EditGame: /*?*/
3093 case EditPosition: /*?*/
3094 /* Should above feature work in these modes too? */
3095 /* For now it doesn't */
3096 ics_getting_history = H_GOT_UNWANTED_HEADER;
3099 ics_getting_history = H_GOT_UNWANTED_HEADER;
3104 /* Is this the right one? */
3105 if (gameInfo.white && gameInfo.black &&
3106 strcmp(gameInfo.white, star_match[0]) == 0 &&
3107 strcmp(gameInfo.black, star_match[2]) == 0) {
3109 ics_getting_history = H_GOT_REQ_HEADER;
3112 case H_GOT_REQ_HEADER:
3113 case H_GOT_UNREQ_HEADER:
3114 case H_GOT_UNWANTED_HEADER:
3115 case H_GETTING_MOVES:
3116 /* Should not happen */
3117 DisplayError(_("Error gathering move list: two headers"), 0);
3118 ics_getting_history = H_FALSE;
3122 /* Save player ratings into gameInfo if needed */
3123 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3124 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3125 (gameInfo.whiteRating == -1 ||
3126 gameInfo.blackRating == -1)) {
3128 gameInfo.whiteRating = string_to_rating(star_match[1]);
3129 gameInfo.blackRating = string_to_rating(star_match[3]);
3130 if (appData.debugMode)
3131 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3132 gameInfo.whiteRating, gameInfo.blackRating);
3137 if (looking_at(buf, &i,
3138 "* * match, initial time: * minute*, increment: * second")) {
3139 /* Header for a move list -- second line */
3140 /* Initial board will follow if this is a wild game */
3141 if (gameInfo.event != NULL) free(gameInfo.event);
3142 sprintf(str, "ICS %s %s match", star_match[0], star_match[1]);
3143 gameInfo.event = StrSave(str);
3144 /* [HGM] we switched variant. Translate boards if needed. */
3145 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3149 if (looking_at(buf, &i, "Move ")) {
3150 /* Beginning of a move list */
3151 switch (ics_getting_history) {
3153 /* Normally should not happen */
3154 /* Maybe user hit reset while we were parsing */
3157 /* Happens if we are ignoring a move list that is not
3158 * the one we just requested. Common if the user
3159 * tries to observe two games without turning off
3162 case H_GETTING_MOVES:
3163 /* Should not happen */
3164 DisplayError(_("Error gathering move list: nested"), 0);
3165 ics_getting_history = H_FALSE;
3167 case H_GOT_REQ_HEADER:
3168 ics_getting_history = H_GETTING_MOVES;
3169 started = STARTED_MOVES;
3171 if (oldi > next_out) {
3172 SendToPlayer(&buf[next_out], oldi - next_out);
3175 case H_GOT_UNREQ_HEADER:
3176 ics_getting_history = H_GETTING_MOVES;
3177 started = STARTED_MOVES_NOHIDE;
3180 case H_GOT_UNWANTED_HEADER:
3181 ics_getting_history = H_FALSE;
3187 if (looking_at(buf, &i, "% ") ||
3188 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3189 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3190 if(ics_type == ICS_ICC && soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3191 soughtPending = FALSE;
3195 if(suppressKibitz) next_out = i;
3196 savingComment = FALSE;
3200 case STARTED_MOVES_NOHIDE:
3201 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3202 parse[parse_pos + i - oldi] = NULLCHAR;
3203 ParseGameHistory(parse);
3205 if (appData.zippyPlay && first.initDone) {
3206 FeedMovesToProgram(&first, forwardMostMove);
3207 if (gameMode == IcsPlayingWhite) {
3208 if (WhiteOnMove(forwardMostMove)) {
3209 if (first.sendTime) {
3210 if (first.useColors) {
3211 SendToProgram("black\n", &first);
3213 SendTimeRemaining(&first, TRUE);
3215 if (first.useColors) {
3216 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3218 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3219 first.maybeThinking = TRUE;
3221 if (first.usePlayother) {
3222 if (first.sendTime) {
3223 SendTimeRemaining(&first, TRUE);
3225 SendToProgram("playother\n", &first);
3231 } else if (gameMode == IcsPlayingBlack) {
3232 if (!WhiteOnMove(forwardMostMove)) {
3233 if (first.sendTime) {
3234 if (first.useColors) {
3235 SendToProgram("white\n", &first);
3237 SendTimeRemaining(&first, FALSE);
3239 if (first.useColors) {
3240 SendToProgram("black\n", &first);
3242 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3243 first.maybeThinking = TRUE;
3245 if (first.usePlayother) {
3246 if (first.sendTime) {
3247 SendTimeRemaining(&first, FALSE);
3249 SendToProgram("playother\n", &first);
3258 if (gameMode == IcsObserving && ics_gamenum == -1) {
3259 /* Moves came from oldmoves or moves command
3260 while we weren't doing anything else.
3262 currentMove = forwardMostMove;
3263 ClearHighlights();/*!!could figure this out*/
3264 flipView = appData.flipView;
3265 DrawPosition(TRUE, boards[currentMove]);
3266 DisplayBothClocks();
3267 sprintf(str, "%s vs. %s",
3268 gameInfo.white, gameInfo.black);
3272 /* Moves were history of an active game */
3273 if (gameInfo.resultDetails != NULL) {
3274 free(gameInfo.resultDetails);
3275 gameInfo.resultDetails = NULL;
3278 HistorySet(parseList, backwardMostMove,
3279 forwardMostMove, currentMove-1);
3280 DisplayMove(currentMove - 1);
3281 if (started == STARTED_MOVES) next_out = i;
3282 started = STARTED_NONE;
3283 ics_getting_history = H_FALSE;
3286 case STARTED_OBSERVE:
3287 started = STARTED_NONE;
3288 SendToICS(ics_prefix);
3289 SendToICS("refresh\n");
3295 if(bookHit) { // [HGM] book: simulate book reply
3296 static char bookMove[MSG_SIZ]; // a bit generous?
3298 programStats.nodes = programStats.depth = programStats.time =
3299 programStats.score = programStats.got_only_move = 0;
3300 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3302 strcpy(bookMove, "move ");
3303 strcat(bookMove, bookHit);
3304 HandleMachineMove(bookMove, &first);
3309 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3310 started == STARTED_HOLDINGS ||
3311 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3312 /* Accumulate characters in move list or board */
3313 parse[parse_pos++] = buf[i];
3316 /* Start of game messages. Mostly we detect start of game
3317 when the first board image arrives. On some versions
3318 of the ICS, though, we need to do a "refresh" after starting
3319 to observe in order to get the current board right away. */
3320 if (looking_at(buf, &i, "Adding game * to observation list")) {
3321 started = STARTED_OBSERVE;
3325 /* Handle auto-observe */
3326 if (appData.autoObserve &&
3327 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3328 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3330 /* Choose the player that was highlighted, if any. */
3331 if (star_match[0][0] == '\033' ||
3332 star_match[1][0] != '\033') {
3333 player = star_match[0];
3335 player = star_match[2];
3337 sprintf(str, "%sobserve %s\n",
3338 ics_prefix, StripHighlightAndTitle(player));
3341 /* Save ratings from notify string */
3342 strcpy(player1Name, star_match[0]);
3343 player1Rating = string_to_rating(star_match[1]);
3344 strcpy(player2Name, star_match[2]);
3345 player2Rating = string_to_rating(star_match[3]);
3347 if (appData.debugMode)
3349 "Ratings from 'Game notification:' %s %d, %s %d\n",
3350 player1Name, player1Rating,
3351 player2Name, player2Rating);
3356 /* Deal with automatic examine mode after a game,
3357 and with IcsObserving -> IcsExamining transition */
3358 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3359 looking_at(buf, &i, "has made you an examiner of game *")) {
3361 int gamenum = atoi(star_match[0]);
3362 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3363 gamenum == ics_gamenum) {
3364 /* We were already playing or observing this game;
3365 no need to refetch history */
3366 gameMode = IcsExamining;
3368 pauseExamForwardMostMove = forwardMostMove;
3369 } else if (currentMove < forwardMostMove) {
3370 ForwardInner(forwardMostMove);
3373 /* I don't think this case really can happen */
3374 SendToICS(ics_prefix);
3375 SendToICS("refresh\n");
3380 /* Error messages */
3381 // if (ics_user_moved) {
3382 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3383 if (looking_at(buf, &i, "Illegal move") ||
3384 looking_at(buf, &i, "Not a legal move") ||
3385 looking_at(buf, &i, "Your king is in check") ||
3386 looking_at(buf, &i, "It isn't your turn") ||
3387 looking_at(buf, &i, "It is not your move")) {
3389 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3390 currentMove = --forwardMostMove;
3391 DisplayMove(currentMove - 1); /* before DMError */
3392 DrawPosition(FALSE, boards[currentMove]);
3394 DisplayBothClocks();
3396 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3402 if (looking_at(buf, &i, "still have time") ||
3403 looking_at(buf, &i, "not out of time") ||
3404 looking_at(buf, &i, "either player is out of time") ||
3405 looking_at(buf, &i, "has timeseal; checking")) {
3406 /* We must have called his flag a little too soon */
3407 whiteFlag = blackFlag = FALSE;
3411 if (looking_at(buf, &i, "added * seconds to") ||
3412 looking_at(buf, &i, "seconds were added to")) {
3413 /* Update the clocks */
3414 SendToICS(ics_prefix);
3415 SendToICS("refresh\n");
3419 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3420 ics_clock_paused = TRUE;
3425 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3426 ics_clock_paused = FALSE;
3431 /* Grab player ratings from the Creating: message.
3432 Note we have to check for the special case when
3433 the ICS inserts things like [white] or [black]. */
3434 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3435 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3437 0 player 1 name (not necessarily white)
3439 2 empty, white, or black (IGNORED)
3440 3 player 2 name (not necessarily black)
3443 The names/ratings are sorted out when the game
3444 actually starts (below).
3446 strcpy(player1Name, StripHighlightAndTitle(star_match[0]));
3447 player1Rating = string_to_rating(star_match[1]);
3448 strcpy(player2Name, StripHighlightAndTitle(star_match[3]));
3449 player2Rating = string_to_rating(star_match[4]);
3451 if (appData.debugMode)
3453 "Ratings from 'Creating:' %s %d, %s %d\n",
3454 player1Name, player1Rating,
3455 player2Name, player2Rating);
3460 /* Improved generic start/end-of-game messages */
3461 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3462 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3463 /* If tkind == 0: */
3464 /* star_match[0] is the game number */
3465 /* [1] is the white player's name */
3466 /* [2] is the black player's name */
3467 /* For end-of-game: */
3468 /* [3] is the reason for the game end */
3469 /* [4] is a PGN end game-token, preceded by " " */
3470 /* For start-of-game: */
3471 /* [3] begins with "Creating" or "Continuing" */
3472 /* [4] is " *" or empty (don't care). */
3473 int gamenum = atoi(star_match[0]);
3474 char *whitename, *blackname, *why, *endtoken;
3475 ChessMove endtype = (ChessMove) 0;
3478 whitename = star_match[1];
3479 blackname = star_match[2];
3480 why = star_match[3];
3481 endtoken = star_match[4];
3483 whitename = star_match[1];
3484 blackname = star_match[3];
3485 why = star_match[5];
3486 endtoken = star_match[6];
3489 /* Game start messages */
3490 if (strncmp(why, "Creating ", 9) == 0 ||
3491 strncmp(why, "Continuing ", 11) == 0) {
3492 gs_gamenum = gamenum;
3493 strcpy(gs_kind, strchr(why, ' ') + 1);
3494 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3496 if (appData.zippyPlay) {
3497 ZippyGameStart(whitename, blackname);
3503 /* Game end messages */
3504 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3505 ics_gamenum != gamenum) {
3508 while (endtoken[0] == ' ') endtoken++;
3509 switch (endtoken[0]) {
3512 endtype = GameUnfinished;
3515 endtype = BlackWins;
3518 if (endtoken[1] == '/')
3519 endtype = GameIsDrawn;
3521 endtype = WhiteWins;
3524 GameEnds(endtype, why, GE_ICS);
3526 if (appData.zippyPlay && first.initDone) {
3527 ZippyGameEnd(endtype, why);
3528 if (first.pr == NULL) {
3529 /* Start the next process early so that we'll
3530 be ready for the next challenge */
3531 StartChessProgram(&first);
3533 /* Send "new" early, in case this command takes
3534 a long time to finish, so that we'll be ready
3535 for the next challenge. */
3536 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3543 if (looking_at(buf, &i, "Removing game * from observation") ||
3544 looking_at(buf, &i, "no longer observing game *") ||
3545 looking_at(buf, &i, "Game * (*) has no examiners")) {
3546 if (gameMode == IcsObserving &&
3547 atoi(star_match[0]) == ics_gamenum)
3549 /* icsEngineAnalyze */
3550 if (appData.icsEngineAnalyze) {
3557 ics_user_moved = FALSE;
3562 if (looking_at(buf, &i, "no longer examining game *")) {
3563 if (gameMode == IcsExamining &&
3564 atoi(star_match[0]) == ics_gamenum)
3568 ics_user_moved = FALSE;
3573 /* Advance leftover_start past any newlines we find,
3574 so only partial lines can get reparsed */
3575 if (looking_at(buf, &i, "\n")) {
3576 prevColor = curColor;
3577 if (curColor != ColorNormal) {
3578 if (oldi > next_out) {
3579 SendToPlayer(&buf[next_out], oldi - next_out);
3582 Colorize(ColorNormal, FALSE);
3583 curColor = ColorNormal;
3585 if (started == STARTED_BOARD) {
3586 started = STARTED_NONE;
3587 parse[parse_pos] = NULLCHAR;
3588 ParseBoard12(parse);
3591 /* Send premove here */
3592 if (appData.premove) {
3594 if (currentMove == 0 &&
3595 gameMode == IcsPlayingWhite &&
3596 appData.premoveWhite) {
3597 sprintf(str, "%s\n", appData.premoveWhiteText);
3598 if (appData.debugMode)
3599 fprintf(debugFP, "Sending premove:\n");
3601 } else if (currentMove == 1 &&
3602 gameMode == IcsPlayingBlack &&
3603 appData.premoveBlack) {
3604 sprintf(str, "%s\n", appData.premoveBlackText);
3605 if (appData.debugMode)
3606 fprintf(debugFP, "Sending premove:\n");
3608 } else if (gotPremove) {
3610 ClearPremoveHighlights();
3611 if (appData.debugMode)
3612 fprintf(debugFP, "Sending premove:\n");
3613 UserMoveEvent(premoveFromX, premoveFromY,
3614 premoveToX, premoveToY,
3619 /* Usually suppress following prompt */
3620 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3621 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3622 if (looking_at(buf, &i, "*% ")) {
3623 savingComment = FALSE;
3628 } else if (started == STARTED_HOLDINGS) {
3630 char new_piece[MSG_SIZ];
3631 started = STARTED_NONE;
3632 parse[parse_pos] = NULLCHAR;
3633 if (appData.debugMode)
3634 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
3635 parse, currentMove);
3636 if (sscanf(parse, " game %d", &gamenum) == 1 &&
3637 gamenum == ics_gamenum) {
3638 if (gameInfo.variant == VariantNormal) {
3639 /* [HGM] We seem to switch variant during a game!
3640 * Presumably no holdings were displayed, so we have
3641 * to move the position two files to the right to
3642 * create room for them!
3644 VariantClass newVariant;
3645 switch(gameInfo.boardWidth) { // base guess on board width
3646 case 9: newVariant = VariantShogi; break;
3647 case 10: newVariant = VariantGreat; break;
3648 default: newVariant = VariantCrazyhouse; break;
3650 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3651 /* Get a move list just to see the header, which
3652 will tell us whether this is really bug or zh */
3653 if (ics_getting_history == H_FALSE) {
3654 ics_getting_history = H_REQUESTED;
3655 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3659 new_piece[0] = NULLCHAR;
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 board holdings area */
3666 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
3667 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
3668 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
3670 if (appData.zippyPlay && first.initDone) {
3671 ZippyHoldings(white_holding, black_holding,
3675 if (tinyLayout || smallLayout) {
3676 char wh[16], bh[16];
3677 PackHolding(wh, white_holding);
3678 PackHolding(bh, black_holding);
3679 sprintf(str, "[%s-%s] %s-%s", wh, bh,
3680 gameInfo.white, gameInfo.black);
3682 sprintf(str, "%s [%s] vs. %s [%s]",
3683 gameInfo.white, white_holding,
3684 gameInfo.black, black_holding);
3687 DrawPosition(FALSE, boards[currentMove]);
3690 /* Suppress following prompt */
3691 if (looking_at(buf, &i, "*% ")) {
3692 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
3693 savingComment = FALSE;
3701 i++; /* skip unparsed character and loop back */
3704 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
3705 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
3706 // SendToPlayer(&buf[next_out], i - next_out);
3707 started != STARTED_HOLDINGS && leftover_start > next_out) {
3708 SendToPlayer(&buf[next_out], leftover_start - next_out);
3712 leftover_len = buf_len - leftover_start;
3713 /* if buffer ends with something we couldn't parse,
3714 reparse it after appending the next read */
3716 } else if (count == 0) {
3717 RemoveInputSource(isr);
3718 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
3720 DisplayFatalError(_("Error reading from ICS"), error, 1);
3725 /* Board style 12 looks like this:
3727 <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
3729 * The "<12> " is stripped before it gets to this routine. The two
3730 * trailing 0's (flip state and clock ticking) are later addition, and
3731 * some chess servers may not have them, or may have only the first.
3732 * Additional trailing fields may be added in the future.
3735 #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"
3737 #define RELATION_OBSERVING_PLAYED 0
3738 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
3739 #define RELATION_PLAYING_MYMOVE 1
3740 #define RELATION_PLAYING_NOTMYMOVE -1
3741 #define RELATION_EXAMINING 2
3742 #define RELATION_ISOLATED_BOARD -3
3743 #define RELATION_STARTING_POSITION -4 /* FICS only */
3746 ParseBoard12(string)
3749 GameMode newGameMode;
3750 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
3751 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
3752 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
3753 char to_play, board_chars[200];
3754 char move_str[500], str[500], elapsed_time[500];
3755 char black[32], white[32];
3757 int prevMove = currentMove;
3760 int fromX, fromY, toX, toY;
3762 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
3763 char *bookHit = NULL; // [HGM] book
3764 Boolean weird = FALSE, reqFlag = FALSE;
3766 fromX = fromY = toX = toY = -1;
3770 if (appData.debugMode)
3771 fprintf(debugFP, _("Parsing board: %s\n"), string);
3773 move_str[0] = NULLCHAR;
3774 elapsed_time[0] = NULLCHAR;
3775 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
3777 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
3778 if(string[i] == ' ') { ranks++; files = 0; }
3780 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
3783 for(j = 0; j <i; j++) board_chars[j] = string[j];
3784 board_chars[i] = '\0';
3787 n = sscanf(string, PATTERN, &to_play, &double_push,
3788 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
3789 &gamenum, white, black, &relation, &basetime, &increment,
3790 &white_stren, &black_stren, &white_time, &black_time,
3791 &moveNum, str, elapsed_time, move_str, &ics_flip,
3795 snprintf(str, sizeof(str), _("Failed to parse board string:\n\"%s\""), string);
3796 DisplayError(str, 0);
3800 /* Convert the move number to internal form */
3801 moveNum = (moveNum - 1) * 2;
3802 if (to_play == 'B') moveNum++;
3803 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
3804 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
3810 case RELATION_OBSERVING_PLAYED:
3811 case RELATION_OBSERVING_STATIC:
3812 if (gamenum == -1) {
3813 /* Old ICC buglet */
3814 relation = RELATION_OBSERVING_STATIC;
3816 newGameMode = IcsObserving;
3818 case RELATION_PLAYING_MYMOVE:
3819 case RELATION_PLAYING_NOTMYMOVE:
3821 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
3822 IcsPlayingWhite : IcsPlayingBlack;
3824 case RELATION_EXAMINING:
3825 newGameMode = IcsExamining;
3827 case RELATION_ISOLATED_BOARD:
3829 /* Just display this board. If user was doing something else,
3830 we will forget about it until the next board comes. */
3831 newGameMode = IcsIdle;
3833 case RELATION_STARTING_POSITION:
3834 newGameMode = gameMode;
3838 /* Modify behavior for initial board display on move listing
3841 switch (ics_getting_history) {
3845 case H_GOT_REQ_HEADER:
3846 case H_GOT_UNREQ_HEADER:
3847 /* This is the initial position of the current game */
3848 gamenum = ics_gamenum;
3849 moveNum = 0; /* old ICS bug workaround */
3850 if (to_play == 'B') {
3851 startedFromSetupPosition = TRUE;
3852 blackPlaysFirst = TRUE;
3854 if (forwardMostMove == 0) forwardMostMove = 1;
3855 if (backwardMostMove == 0) backwardMostMove = 1;
3856 if (currentMove == 0) currentMove = 1;
3858 newGameMode = gameMode;
3859 relation = RELATION_STARTING_POSITION; /* ICC needs this */
3861 case H_GOT_UNWANTED_HEADER:
3862 /* This is an initial board that we don't want */
3864 case H_GETTING_MOVES:
3865 /* Should not happen */
3866 DisplayError(_("Error gathering move list: extra board"), 0);
3867 ics_getting_history = H_FALSE;
3871 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
3872 weird && (int)gameInfo.variant <= (int)VariantShogi) {
3873 /* [HGM] We seem to have switched variant unexpectedly
3874 * Try to guess new variant from board size
3876 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
3877 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
3878 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
3879 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
3880 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
3881 if(!weird) newVariant = VariantNormal;
3882 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3883 /* Get a move list just to see the header, which
3884 will tell us whether this is really bug or zh */
3885 if (ics_getting_history == H_FALSE) {
3886 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
3887 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3892 /* Take action if this is the first board of a new game, or of a
3893 different game than is currently being displayed. */
3894 if (gamenum != ics_gamenum || newGameMode != gameMode ||
3895 relation == RELATION_ISOLATED_BOARD) {
3897 /* Forget the old game and get the history (if any) of the new one */
3898 if (gameMode != BeginningOfGame) {
3902 if (appData.autoRaiseBoard) BoardToTop();
3904 if (gamenum == -1) {
3905 newGameMode = IcsIdle;
3906 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
3907 appData.getMoveList && !reqFlag) {
3908 /* Need to get game history */
3909 ics_getting_history = H_REQUESTED;
3910 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3914 /* Initially flip the board to have black on the bottom if playing
3915 black or if the ICS flip flag is set, but let the user change
3916 it with the Flip View button. */
3917 flipView = appData.autoFlipView ?
3918 (newGameMode == IcsPlayingBlack) || ics_flip :
3921 /* Done with values from previous mode; copy in new ones */
3922 gameMode = newGameMode;
3924 ics_gamenum = gamenum;
3925 if (gamenum == gs_gamenum) {
3926 int klen = strlen(gs_kind);
3927 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
3928 sprintf(str, "ICS %s", gs_kind);
3929 gameInfo.event = StrSave(str);
3931 gameInfo.event = StrSave("ICS game");
3933 gameInfo.site = StrSave(appData.icsHost);
3934 gameInfo.date = PGNDate();
3935 gameInfo.round = StrSave("-");
3936 gameInfo.white = StrSave(white);
3937 gameInfo.black = StrSave(black);
3938 timeControl = basetime * 60 * 1000;
3940 timeIncrement = increment * 1000;
3941 movesPerSession = 0;
3942 gameInfo.timeControl = TimeControlTagValue();
3943 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
3944 if (appData.debugMode) {
3945 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
3946 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
3947 setbuf(debugFP, NULL);
3950 gameInfo.outOfBook = NULL;
3952 /* Do we have the ratings? */
3953 if (strcmp(player1Name, white) == 0 &&
3954 strcmp(player2Name, black) == 0) {
3955 if (appData.debugMode)
3956 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
3957 player1Rating, player2Rating);
3958 gameInfo.whiteRating = player1Rating;
3959 gameInfo.blackRating = player2Rating;
3960 } else if (strcmp(player2Name, white) == 0 &&
3961 strcmp(player1Name, black) == 0) {
3962 if (appData.debugMode)
3963 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
3964 player2Rating, player1Rating);
3965 gameInfo.whiteRating = player2Rating;
3966 gameInfo.blackRating = player1Rating;
3968 player1Name[0] = player2Name[0] = NULLCHAR;
3970 /* Silence shouts if requested */
3971 if (appData.quietPlay &&
3972 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
3973 SendToICS(ics_prefix);
3974 SendToICS("set shout 0\n");
3978 /* Deal with midgame name changes */
3980 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
3981 if (gameInfo.white) free(gameInfo.white);
3982 gameInfo.white = StrSave(white);
3984 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
3985 if (gameInfo.black) free(gameInfo.black);
3986 gameInfo.black = StrSave(black);
3990 /* Throw away game result if anything actually changes in examine mode */
3991 if (gameMode == IcsExamining && !newGame) {
3992 gameInfo.result = GameUnfinished;
3993 if (gameInfo.resultDetails != NULL) {
3994 free(gameInfo.resultDetails);
3995 gameInfo.resultDetails = NULL;
3999 /* In pausing && IcsExamining mode, we ignore boards coming
4000 in if they are in a different variation than we are. */
4001 if (pauseExamInvalid) return;
4002 if (pausing && gameMode == IcsExamining) {
4003 if (moveNum <= pauseExamForwardMostMove) {
4004 pauseExamInvalid = TRUE;
4005 forwardMostMove = pauseExamForwardMostMove;
4010 if (appData.debugMode) {
4011 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4013 /* Parse the board */
4014 for (k = 0; k < ranks; k++) {
4015 for (j = 0; j < files; j++)
4016 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4017 if(gameInfo.holdingsWidth > 1) {
4018 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4019 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4022 CopyBoard(boards[moveNum], board);
4023 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4025 startedFromSetupPosition =
4026 !CompareBoards(board, initialPosition);
4027 if(startedFromSetupPosition)
4028 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4031 /* [HGM] Set castling rights. Take the outermost Rooks,
4032 to make it also work for FRC opening positions. Note that board12
4033 is really defective for later FRC positions, as it has no way to
4034 indicate which Rook can castle if they are on the same side of King.
4035 For the initial position we grant rights to the outermost Rooks,
4036 and remember thos rights, and we then copy them on positions
4037 later in an FRC game. This means WB might not recognize castlings with
4038 Rooks that have moved back to their original position as illegal,
4039 but in ICS mode that is not its job anyway.
4041 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4042 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4044 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4045 if(board[0][i] == WhiteRook) j = i;
4046 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4047 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4048 if(board[0][i] == WhiteRook) j = i;
4049 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4050 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4051 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4052 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4053 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4054 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4055 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4057 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4058 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4059 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4060 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4061 if(board[BOARD_HEIGHT-1][k] == bKing)
4062 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4063 if(gameInfo.variant == VariantTwoKings) {
4064 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4065 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4066 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4069 r = boards[moveNum][CASTLING][0] = initialRights[0];
4070 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4071 r = boards[moveNum][CASTLING][1] = initialRights[1];
4072 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4073 r = boards[moveNum][CASTLING][3] = initialRights[3];
4074 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4075 r = boards[moveNum][CASTLING][4] = initialRights[4];
4076 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4077 /* wildcastle kludge: always assume King has rights */
4078 r = boards[moveNum][CASTLING][2] = initialRights[2];
4079 r = boards[moveNum][CASTLING][5] = initialRights[5];
4081 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4082 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4085 if (ics_getting_history == H_GOT_REQ_HEADER ||
4086 ics_getting_history == H_GOT_UNREQ_HEADER) {
4087 /* This was an initial position from a move list, not
4088 the current position */
4092 /* Update currentMove and known move number limits */
4093 newMove = newGame || moveNum > forwardMostMove;
4096 forwardMostMove = backwardMostMove = currentMove = moveNum;
4097 if (gameMode == IcsExamining && moveNum == 0) {
4098 /* Workaround for ICS limitation: we are not told the wild
4099 type when starting to examine a game. But if we ask for
4100 the move list, the move list header will tell us */
4101 ics_getting_history = H_REQUESTED;
4102 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
4105 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4106 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4108 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4109 /* [HGM] applied this also to an engine that is silently watching */
4110 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4111 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4112 gameInfo.variant == currentlyInitializedVariant) {
4113 takeback = forwardMostMove - moveNum;
4114 for (i = 0; i < takeback; i++) {
4115 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4116 SendToProgram("undo\n", &first);
4121 forwardMostMove = moveNum;
4122 if (!pausing || currentMove > forwardMostMove)
4123 currentMove = forwardMostMove;
4125 /* New part of history that is not contiguous with old part */
4126 if (pausing && gameMode == IcsExamining) {
4127 pauseExamInvalid = TRUE;
4128 forwardMostMove = pauseExamForwardMostMove;
4131 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4133 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4134 // [HGM] when we will receive the move list we now request, it will be
4135 // fed to the engine from the first move on. So if the engine is not
4136 // in the initial position now, bring it there.
4137 InitChessProgram(&first, 0);
4140 ics_getting_history = H_REQUESTED;
4141 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
4144 forwardMostMove = backwardMostMove = currentMove = moveNum;
4147 /* Update the clocks */
4148 if (strchr(elapsed_time, '.')) {
4150 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4151 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4153 /* Time is in seconds */
4154 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4155 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4160 if (appData.zippyPlay && newGame &&
4161 gameMode != IcsObserving && gameMode != IcsIdle &&
4162 gameMode != IcsExamining)
4163 ZippyFirstBoard(moveNum, basetime, increment);
4166 /* Put the move on the move list, first converting
4167 to canonical algebraic form. */
4169 if (appData.debugMode) {
4170 if (appData.debugMode) { int f = forwardMostMove;
4171 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4172 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4173 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4175 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4176 fprintf(debugFP, "moveNum = %d\n", moveNum);
4177 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4178 setbuf(debugFP, NULL);
4180 if (moveNum <= backwardMostMove) {
4181 /* We don't know what the board looked like before
4183 strcpy(parseList[moveNum - 1], move_str);
4184 strcat(parseList[moveNum - 1], " ");
4185 strcat(parseList[moveNum - 1], elapsed_time);
4186 moveList[moveNum - 1][0] = NULLCHAR;
4187 } else if (strcmp(move_str, "none") == 0) {
4188 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4189 /* Again, we don't know what the board looked like;
4190 this is really the start of the game. */
4191 parseList[moveNum - 1][0] = NULLCHAR;
4192 moveList[moveNum - 1][0] = NULLCHAR;
4193 backwardMostMove = moveNum;
4194 startedFromSetupPosition = TRUE;
4195 fromX = fromY = toX = toY = -1;
4197 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4198 // So we parse the long-algebraic move string in stead of the SAN move
4199 int valid; char buf[MSG_SIZ], *prom;
4201 // str looks something like "Q/a1-a2"; kill the slash
4203 sprintf(buf, "%c%s", str[0], str+2);
4204 else strcpy(buf, str); // might be castling
4205 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4206 strcat(buf, prom); // long move lacks promo specification!
4207 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4208 if(appData.debugMode)
4209 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4210 strcpy(move_str, buf);
4212 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4213 &fromX, &fromY, &toX, &toY, &promoChar)
4214 || ParseOneMove(buf, moveNum - 1, &moveType,
4215 &fromX, &fromY, &toX, &toY, &promoChar);
4216 // end of long SAN patch
4218 (void) CoordsToAlgebraic(boards[moveNum - 1],
4219 PosFlags(moveNum - 1),
4220 fromY, fromX, toY, toX, promoChar,
4221 parseList[moveNum-1]);
4222 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4228 if(gameInfo.variant != VariantShogi)
4229 strcat(parseList[moveNum - 1], "+");
4232 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4233 strcat(parseList[moveNum - 1], "#");
4236 strcat(parseList[moveNum - 1], " ");
4237 strcat(parseList[moveNum - 1], elapsed_time);
4238 /* currentMoveString is set as a side-effect of ParseOneMove */
4239 strcpy(moveList[moveNum - 1], currentMoveString);
4240 strcat(moveList[moveNum - 1], "\n");
4242 /* Move from ICS was illegal!? Punt. */
4243 if (appData.debugMode) {
4244 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4245 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4247 strcpy(parseList[moveNum - 1], move_str);
4248 strcat(parseList[moveNum - 1], " ");
4249 strcat(parseList[moveNum - 1], elapsed_time);
4250 moveList[moveNum - 1][0] = NULLCHAR;
4251 fromX = fromY = toX = toY = -1;
4254 if (appData.debugMode) {
4255 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4256 setbuf(debugFP, NULL);
4260 /* Send move to chess program (BEFORE animating it). */
4261 if (appData.zippyPlay && !newGame && newMove &&
4262 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4264 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4265 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4266 if (moveList[moveNum - 1][0] == NULLCHAR) {
4267 sprintf(str, _("Couldn't parse move \"%s\" from ICS"),
4269 DisplayError(str, 0);
4271 if (first.sendTime) {
4272 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4274 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4275 if (firstMove && !bookHit) {
4277 if (first.useColors) {
4278 SendToProgram(gameMode == IcsPlayingWhite ?
4280 "black\ngo\n", &first);
4282 SendToProgram("go\n", &first);
4284 first.maybeThinking = TRUE;
4287 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4288 if (moveList[moveNum - 1][0] == NULLCHAR) {
4289 sprintf(str, _("Couldn't parse move \"%s\" from ICS"), move_str);
4290 DisplayError(str, 0);
4292 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4293 SendMoveToProgram(moveNum - 1, &first);
4300 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4301 /* If move comes from a remote source, animate it. If it
4302 isn't remote, it will have already been animated. */
4303 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4304 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4306 if (!pausing && appData.highlightLastMove) {
4307 SetHighlights(fromX, fromY, toX, toY);
4311 /* Start the clocks */
4312 whiteFlag = blackFlag = FALSE;
4313 appData.clockMode = !(basetime == 0 && increment == 0);
4315 ics_clock_paused = TRUE;
4317 } else if (ticking == 1) {
4318 ics_clock_paused = FALSE;
4320 if (gameMode == IcsIdle ||
4321 relation == RELATION_OBSERVING_STATIC ||
4322 relation == RELATION_EXAMINING ||
4324 DisplayBothClocks();
4328 /* Display opponents and material strengths */
4329 if (gameInfo.variant != VariantBughouse &&
4330 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4331 if (tinyLayout || smallLayout) {
4332 if(gameInfo.variant == VariantNormal)
4333 sprintf(str, "%s(%d) %s(%d) {%d %d}",
4334 gameInfo.white, white_stren, gameInfo.black, black_stren,
4335 basetime, increment);
4337 sprintf(str, "%s(%d) %s(%d) {%d %d w%d}",
4338 gameInfo.white, white_stren, gameInfo.black, black_stren,
4339 basetime, increment, (int) gameInfo.variant);
4341 if(gameInfo.variant == VariantNormal)
4342 sprintf(str, "%s (%d) vs. %s (%d) {%d %d}",
4343 gameInfo.white, white_stren, gameInfo.black, black_stren,
4344 basetime, increment);
4346 sprintf(str, "%s (%d) vs. %s (%d) {%d %d %s}",
4347 gameInfo.white, white_stren, gameInfo.black, black_stren,
4348 basetime, increment, VariantName(gameInfo.variant));
4351 if (appData.debugMode) {
4352 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4357 /* Display the board */
4358 if (!pausing && !appData.noGUI) {
4359 if (appData.premove)
4361 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4362 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4363 ClearPremoveHighlights();
4365 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4366 DrawPosition(j, boards[currentMove]);
4368 DisplayMove(moveNum - 1);
4369 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4370 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4371 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4372 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4376 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4378 if(bookHit) { // [HGM] book: simulate book reply
4379 static char bookMove[MSG_SIZ]; // a bit generous?
4381 programStats.nodes = programStats.depth = programStats.time =
4382 programStats.score = programStats.got_only_move = 0;
4383 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4385 strcpy(bookMove, "move ");
4386 strcat(bookMove, bookHit);
4387 HandleMachineMove(bookMove, &first);
4396 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4397 ics_getting_history = H_REQUESTED;
4398 sprintf(buf, "%smoves %d\n", ics_prefix, ics_gamenum);
4404 AnalysisPeriodicEvent(force)
4407 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4408 && !force) || !appData.periodicUpdates)
4411 /* Send . command to Crafty to collect stats */
4412 SendToProgram(".\n", &first);
4414 /* Don't send another until we get a response (this makes
4415 us stop sending to old Crafty's which don't understand
4416 the "." command (sending illegal cmds resets node count & time,
4417 which looks bad)) */
4418 programStats.ok_to_send = 0;
4421 void ics_update_width(new_width)
4424 ics_printf("set width %d\n", new_width);
4428 SendMoveToProgram(moveNum, cps)
4430 ChessProgramState *cps;
4434 if (cps->useUsermove) {
4435 SendToProgram("usermove ", cps);
4439 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4440 int len = space - parseList[moveNum];
4441 memcpy(buf, parseList[moveNum], len);
4443 buf[len] = NULLCHAR;
4445 sprintf(buf, "%s\n", parseList[moveNum]);
4447 SendToProgram(buf, cps);
4449 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4450 AlphaRank(moveList[moveNum], 4);
4451 SendToProgram(moveList[moveNum], cps);
4452 AlphaRank(moveList[moveNum], 4); // and back
4454 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4455 * the engine. It would be nice to have a better way to identify castle
4457 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4458 && cps->useOOCastle) {
4459 int fromX = moveList[moveNum][0] - AAA;
4460 int fromY = moveList[moveNum][1] - ONE;
4461 int toX = moveList[moveNum][2] - AAA;
4462 int toY = moveList[moveNum][3] - ONE;
4463 if((boards[moveNum][fromY][fromX] == WhiteKing
4464 && boards[moveNum][toY][toX] == WhiteRook)
4465 || (boards[moveNum][fromY][fromX] == BlackKing
4466 && boards[moveNum][toY][toX] == BlackRook)) {
4467 if(toX > fromX) SendToProgram("O-O\n", cps);
4468 else SendToProgram("O-O-O\n", cps);
4470 else SendToProgram(moveList[moveNum], cps);
4472 else SendToProgram(moveList[moveNum], cps);
4473 /* End of additions by Tord */
4476 /* [HGM] setting up the opening has brought engine in force mode! */
4477 /* Send 'go' if we are in a mode where machine should play. */
4478 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4479 (gameMode == TwoMachinesPlay ||
4481 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4483 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4484 SendToProgram("go\n", cps);
4485 if (appData.debugMode) {
4486 fprintf(debugFP, "(extra)\n");
4489 setboardSpoiledMachineBlack = 0;
4493 SendMoveToICS(moveType, fromX, fromY, toX, toY)
4495 int fromX, fromY, toX, toY;
4497 char user_move[MSG_SIZ];
4501 sprintf(user_move, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4502 (int)moveType, fromX, fromY, toX, toY);
4503 DisplayError(user_move + strlen("say "), 0);
4505 case WhiteKingSideCastle:
4506 case BlackKingSideCastle:
4507 case WhiteQueenSideCastleWild:
4508 case BlackQueenSideCastleWild:
4510 case WhiteHSideCastleFR:
4511 case BlackHSideCastleFR:
4513 sprintf(user_move, "o-o\n");
4515 case WhiteQueenSideCastle:
4516 case BlackQueenSideCastle:
4517 case WhiteKingSideCastleWild:
4518 case BlackKingSideCastleWild:
4520 case WhiteASideCastleFR:
4521 case BlackASideCastleFR:
4523 sprintf(user_move, "o-o-o\n");
4525 case WhitePromotionQueen:
4526 case BlackPromotionQueen:
4527 case WhitePromotionRook:
4528 case BlackPromotionRook:
4529 case WhitePromotionBishop:
4530 case BlackPromotionBishop:
4531 case WhitePromotionKnight:
4532 case BlackPromotionKnight:
4533 case WhitePromotionKing:
4534 case BlackPromotionKing:
4535 case WhitePromotionChancellor:
4536 case BlackPromotionChancellor:
4537 case WhitePromotionArchbishop:
4538 case BlackPromotionArchbishop:
4539 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4540 sprintf(user_move, "%c%c%c%c=%c\n",
4541 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4542 PieceToChar(WhiteFerz));
4543 else if(gameInfo.variant == VariantGreat)
4544 sprintf(user_move, "%c%c%c%c=%c\n",
4545 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4546 PieceToChar(WhiteMan));
4548 sprintf(user_move, "%c%c%c%c=%c\n",
4549 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4550 PieceToChar(PromoPiece(moveType)));
4554 sprintf(user_move, "%c@%c%c\n",
4555 ToUpper(PieceToChar((ChessSquare) fromX)),
4556 AAA + toX, ONE + toY);
4559 case WhiteCapturesEnPassant:
4560 case BlackCapturesEnPassant:
4561 case IllegalMove: /* could be a variant we don't quite understand */
4562 sprintf(user_move, "%c%c%c%c\n",
4563 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4566 SendToICS(user_move);
4567 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
4568 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
4572 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
4577 if (rf == DROP_RANK) {
4578 sprintf(move, "%c@%c%c\n",
4579 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
4581 if (promoChar == 'x' || promoChar == NULLCHAR) {
4582 sprintf(move, "%c%c%c%c\n",
4583 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
4585 sprintf(move, "%c%c%c%c%c\n",
4586 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
4592 ProcessICSInitScript(f)
4597 while (fgets(buf, MSG_SIZ, f)) {
4598 SendToICSDelayed(buf,(long)appData.msLoginDelay);
4605 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
4607 AlphaRank(char *move, int n)
4609 // char *p = move, c; int x, y;
4611 if (appData.debugMode) {
4612 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
4616 move[2]>='0' && move[2]<='9' &&
4617 move[3]>='a' && move[3]<='x' ) {
4619 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4620 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4622 if(move[0]>='0' && move[0]<='9' &&
4623 move[1]>='a' && move[1]<='x' &&
4624 move[2]>='0' && move[2]<='9' &&
4625 move[3]>='a' && move[3]<='x' ) {
4626 /* input move, Shogi -> normal */
4627 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
4628 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
4629 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4630 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4633 move[3]>='0' && move[3]<='9' &&
4634 move[2]>='a' && move[2]<='x' ) {
4636 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4637 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4640 move[0]>='a' && move[0]<='x' &&
4641 move[3]>='0' && move[3]<='9' &&
4642 move[2]>='a' && move[2]<='x' ) {
4643 /* output move, normal -> Shogi */
4644 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
4645 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
4646 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4647 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4648 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
4650 if (appData.debugMode) {
4651 fprintf(debugFP, " out = '%s'\n", move);
4655 /* Parser for moves from gnuchess, ICS, or user typein box */
4657 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
4660 ChessMove *moveType;
4661 int *fromX, *fromY, *toX, *toY;
4664 if (appData.debugMode) {
4665 fprintf(debugFP, "move to parse: %s\n", move);
4667 *moveType = yylexstr(moveNum, move);
4669 switch (*moveType) {
4670 case WhitePromotionChancellor:
4671 case BlackPromotionChancellor:
4672 case WhitePromotionArchbishop:
4673 case BlackPromotionArchbishop:
4674 case WhitePromotionQueen:
4675 case BlackPromotionQueen:
4676 case WhitePromotionRook:
4677 case BlackPromotionRook:
4678 case WhitePromotionBishop:
4679 case BlackPromotionBishop:
4680 case WhitePromotionKnight:
4681 case BlackPromotionKnight:
4682 case WhitePromotionKing:
4683 case BlackPromotionKing:
4685 case WhiteCapturesEnPassant:
4686 case BlackCapturesEnPassant:
4687 case WhiteKingSideCastle:
4688 case WhiteQueenSideCastle:
4689 case BlackKingSideCastle:
4690 case BlackQueenSideCastle:
4691 case WhiteKingSideCastleWild:
4692 case WhiteQueenSideCastleWild:
4693 case BlackKingSideCastleWild:
4694 case BlackQueenSideCastleWild:
4695 /* Code added by Tord: */
4696 case WhiteHSideCastleFR:
4697 case WhiteASideCastleFR:
4698 case BlackHSideCastleFR:
4699 case BlackASideCastleFR:
4700 /* End of code added by Tord */
4701 case IllegalMove: /* bug or odd chess variant */
4702 *fromX = currentMoveString[0] - AAA;
4703 *fromY = currentMoveString[1] - ONE;
4704 *toX = currentMoveString[2] - AAA;
4705 *toY = currentMoveString[3] - ONE;
4706 *promoChar = currentMoveString[4];
4707 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
4708 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
4709 if (appData.debugMode) {
4710 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
4712 *fromX = *fromY = *toX = *toY = 0;
4715 if (appData.testLegality) {
4716 return (*moveType != IllegalMove);
4718 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
4719 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
4724 *fromX = *moveType == WhiteDrop ?
4725 (int) CharToPiece(ToUpper(currentMoveString[0])) :
4726 (int) CharToPiece(ToLower(currentMoveString[0]));
4728 *toX = currentMoveString[2] - AAA;
4729 *toY = currentMoveString[3] - ONE;
4730 *promoChar = NULLCHAR;
4734 case ImpossibleMove:
4735 case (ChessMove) 0: /* end of file */
4744 if (appData.debugMode) {
4745 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
4748 *fromX = *fromY = *toX = *toY = 0;
4749 *promoChar = NULLCHAR;
4757 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
4758 int fromX, fromY, toX, toY; char promoChar;
4763 endPV = forwardMostMove;
4765 while(*pv == ' ') pv++;
4766 if(*pv == '(') pv++; // first (ponder) move can be in parentheses
4767 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
4768 if(appData.debugMode){
4769 fprintf(debugFP,"parsePV: %d %c%c%c%c '%s'\n", valid, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, pv);
4771 if(!valid && nr == 0 &&
4772 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
4773 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
4775 while(*pv && *pv++ != ' '); // skip what we parsed; assume space separators
4776 if(moveType == Comment) { valid++; continue; } // allow comments in PV
4778 if(endPV+1 > framePtr) break; // no space, truncate
4781 CopyBoard(boards[endPV], boards[endPV-1]);
4782 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
4783 moveList[endPV-1][0] = fromX + AAA;
4784 moveList[endPV-1][1] = fromY + ONE;
4785 moveList[endPV-1][2] = toX + AAA;
4786 moveList[endPV-1][3] = toY + ONE;
4787 parseList[endPV-1][0] = NULLCHAR;
4789 currentMove = endPV;
4790 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
4791 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
4792 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
4793 DrawPosition(TRUE, boards[currentMove]);
4796 static int lastX, lastY;
4799 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
4803 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
4804 lastX = x; lastY = y;
4805 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
4807 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
4809 while(buf[index] && buf[index] != '\n') index++;
4811 ParsePV(buf+startPV);
4812 *start = startPV; *end = index-1;
4817 LoadPV(int x, int y)
4818 { // called on right mouse click to load PV
4819 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
4820 lastX = x; lastY = y;
4821 ParsePV(lastPV[which]); // load the PV of the thinking engine in the boards array.
4828 if(endPV < 0) return;
4830 currentMove = forwardMostMove;
4831 ClearPremoveHighlights();
4832 DrawPosition(TRUE, boards[currentMove]);
4836 MovePV(int x, int y, int h)
4837 { // step through PV based on mouse coordinates (called on mouse move)
4838 int margin = h>>3, step = 0;
4840 if(endPV < 0) return;
4841 // we must somehow check if right button is still down (might be released off board!)
4842 if(y < margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = 1; else
4843 if(y > h - margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = -1; else
4844 if( y > lastY + 6 ) step = -1; else if(y < lastY - 6) step = 1;
4846 lastX = x; lastY = y;
4847 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
4848 currentMove += step;
4849 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
4850 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
4851 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
4852 DrawPosition(FALSE, boards[currentMove]);
4856 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
4857 // All positions will have equal probability, but the current method will not provide a unique
4858 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
4864 int piecesLeft[(int)BlackPawn];
4865 int seed, nrOfShuffles;
4867 void GetPositionNumber()
4868 { // sets global variable seed
4871 seed = appData.defaultFrcPosition;
4872 if(seed < 0) { // randomize based on time for negative FRC position numbers
4873 for(i=0; i<50; i++) seed += random();
4874 seed = random() ^ random() >> 8 ^ random() << 8;
4875 if(seed<0) seed = -seed;
4879 int put(Board board, int pieceType, int rank, int n, int shade)
4880 // put the piece on the (n-1)-th empty squares of the given shade
4884 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
4885 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
4886 board[rank][i] = (ChessSquare) pieceType;
4887 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
4889 piecesLeft[pieceType]--;
4897 void AddOnePiece(Board board, int pieceType, int rank, int shade)
4898 // calculate where the next piece goes, (any empty square), and put it there
4902 i = seed % squaresLeft[shade];
4903 nrOfShuffles *= squaresLeft[shade];
4904 seed /= squaresLeft[shade];
4905 put(board, pieceType, rank, i, shade);
4908 void AddTwoPieces(Board board, int pieceType, int rank)
4909 // calculate where the next 2 identical pieces go, (any empty square), and put it there
4911 int i, n=squaresLeft[ANY], j=n-1, k;
4913 k = n*(n-1)/2; // nr of possibilities, not counting permutations
4914 i = seed % k; // pick one
4917 while(i >= j) i -= j--;
4918 j = n - 1 - j; i += j;
4919 put(board, pieceType, rank, j, ANY);
4920 put(board, pieceType, rank, i, ANY);
4923 void SetUpShuffle(Board board, int number)
4927 GetPositionNumber(); nrOfShuffles = 1;
4929 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
4930 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
4931 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
4933 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
4935 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
4936 p = (int) board[0][i];
4937 if(p < (int) BlackPawn) piecesLeft[p] ++;
4938 board[0][i] = EmptySquare;
4941 if(PosFlags(0) & F_ALL_CASTLE_OK) {
4942 // shuffles restricted to allow normal castling put KRR first
4943 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
4944 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
4945 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
4946 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
4947 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
4948 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
4949 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
4950 put(board, WhiteRook, 0, 0, ANY);
4951 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
4954 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
4955 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
4956 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
4957 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
4958 while(piecesLeft[p] >= 2) {
4959 AddOnePiece(board, p, 0, LITE);
4960 AddOnePiece(board, p, 0, DARK);
4962 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
4965 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
4966 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
4967 // but we leave King and Rooks for last, to possibly obey FRC restriction
4968 if(p == (int)WhiteRook) continue;
4969 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
4970 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
4973 // now everything is placed, except perhaps King (Unicorn) and Rooks
4975 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
4976 // Last King gets castling rights
4977 while(piecesLeft[(int)WhiteUnicorn]) {
4978 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
4979 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
4982 while(piecesLeft[(int)WhiteKing]) {
4983 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
4984 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
4989 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
4990 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
4993 // Only Rooks can be left; simply place them all
4994 while(piecesLeft[(int)WhiteRook]) {
4995 i = put(board, WhiteRook, 0, 0, ANY);
4996 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
4999 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5001 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5004 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5005 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5008 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5011 int SetCharTable( char *table, const char * map )
5012 /* [HGM] moved here from winboard.c because of its general usefulness */
5013 /* Basically a safe strcpy that uses the last character as King */
5015 int result = FALSE; int NrPieces;
5017 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5018 && NrPieces >= 12 && !(NrPieces&1)) {
5019 int i; /* [HGM] Accept even length from 12 to 34 */
5021 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5022 for( i=0; i<NrPieces/2-1; i++ ) {
5024 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5026 table[(int) WhiteKing] = map[NrPieces/2-1];
5027 table[(int) BlackKing] = map[NrPieces-1];
5035 void Prelude(Board board)
5036 { // [HGM] superchess: random selection of exo-pieces
5037 int i, j, k; ChessSquare p;
5038 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5040 GetPositionNumber(); // use FRC position number
5042 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5043 SetCharTable(pieceToChar, appData.pieceToCharTable);
5044 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5045 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5048 j = seed%4; seed /= 4;
5049 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5050 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5051 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5052 j = seed%3 + (seed%3 >= j); seed /= 3;
5053 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5054 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5055 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5056 j = seed%3; seed /= 3;
5057 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5058 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5059 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5060 j = seed%2 + (seed%2 >= j); seed /= 2;
5061 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5062 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5063 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5064 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5065 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5066 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5067 put(board, exoPieces[0], 0, 0, ANY);
5068 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5072 InitPosition(redraw)
5075 ChessSquare (* pieces)[BOARD_FILES];
5076 int i, j, pawnRow, overrule,
5077 oldx = gameInfo.boardWidth,
5078 oldy = gameInfo.boardHeight,
5079 oldh = gameInfo.holdingsWidth,
5080 oldv = gameInfo.variant;
5082 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5084 /* [AS] Initialize pv info list [HGM] and game status */
5086 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5087 pvInfoList[i].depth = 0;
5088 boards[i][EP_STATUS] = EP_NONE;
5089 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5092 initialRulePlies = 0; /* 50-move counter start */
5094 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5095 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5099 /* [HGM] logic here is completely changed. In stead of full positions */
5100 /* the initialized data only consist of the two backranks. The switch */
5101 /* selects which one we will use, which is than copied to the Board */
5102 /* initialPosition, which for the rest is initialized by Pawns and */
5103 /* empty squares. This initial position is then copied to boards[0], */
5104 /* possibly after shuffling, so that it remains available. */
5106 gameInfo.holdingsWidth = 0; /* default board sizes */
5107 gameInfo.boardWidth = 8;
5108 gameInfo.boardHeight = 8;
5109 gameInfo.holdingsSize = 0;
5110 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5111 for(i=0; i<BOARD_FILES-2; i++)
5112 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5113 initialPosition[EP_STATUS] = EP_NONE;
5114 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5116 switch (gameInfo.variant) {
5117 case VariantFischeRandom:
5118 shuffleOpenings = TRUE;
5122 case VariantShatranj:
5123 pieces = ShatranjArray;
5124 nrCastlingRights = 0;
5125 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5128 pieces = makrukArray;
5129 nrCastlingRights = 0;
5130 startedFromSetupPosition = TRUE;
5131 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5133 case VariantTwoKings:
5134 pieces = twoKingsArray;
5136 case VariantCapaRandom:
5137 shuffleOpenings = TRUE;
5138 case VariantCapablanca:
5139 pieces = CapablancaArray;
5140 gameInfo.boardWidth = 10;
5141 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5144 pieces = GothicArray;
5145 gameInfo.boardWidth = 10;
5146 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5149 pieces = JanusArray;
5150 gameInfo.boardWidth = 10;
5151 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5152 nrCastlingRights = 6;
5153 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5154 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5155 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5156 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5157 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5158 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5161 pieces = FalconArray;
5162 gameInfo.boardWidth = 10;
5163 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5165 case VariantXiangqi:
5166 pieces = XiangqiArray;
5167 gameInfo.boardWidth = 9;
5168 gameInfo.boardHeight = 10;
5169 nrCastlingRights = 0;
5170 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5173 pieces = ShogiArray;
5174 gameInfo.boardWidth = 9;
5175 gameInfo.boardHeight = 9;
5176 gameInfo.holdingsSize = 7;
5177 nrCastlingRights = 0;
5178 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5180 case VariantCourier:
5181 pieces = CourierArray;
5182 gameInfo.boardWidth = 12;
5183 nrCastlingRights = 0;
5184 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5186 case VariantKnightmate:
5187 pieces = KnightmateArray;
5188 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5191 pieces = fairyArray;
5192 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5195 pieces = GreatArray;
5196 gameInfo.boardWidth = 10;
5197 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5198 gameInfo.holdingsSize = 8;
5202 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5203 gameInfo.holdingsSize = 8;
5204 startedFromSetupPosition = TRUE;
5206 case VariantCrazyhouse:
5207 case VariantBughouse:
5209 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5210 gameInfo.holdingsSize = 5;
5212 case VariantWildCastle:
5214 /* !!?shuffle with kings guaranteed to be on d or e file */
5215 shuffleOpenings = 1;
5217 case VariantNoCastle:
5219 nrCastlingRights = 0;
5220 /* !!?unconstrained back-rank shuffle */
5221 shuffleOpenings = 1;
5226 if(appData.NrFiles >= 0) {
5227 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5228 gameInfo.boardWidth = appData.NrFiles;
5230 if(appData.NrRanks >= 0) {
5231 gameInfo.boardHeight = appData.NrRanks;
5233 if(appData.holdingsSize >= 0) {
5234 i = appData.holdingsSize;
5235 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5236 gameInfo.holdingsSize = i;
5238 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5239 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5240 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5242 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5243 if(pawnRow < 1) pawnRow = 1;
5244 if(gameInfo.variant == VariantMakruk) pawnRow = 2;
5246 /* User pieceToChar list overrules defaults */
5247 if(appData.pieceToCharTable != NULL)
5248 SetCharTable(pieceToChar, appData.pieceToCharTable);
5250 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5252 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5253 s = (ChessSquare) 0; /* account holding counts in guard band */
5254 for( i=0; i<BOARD_HEIGHT; i++ )
5255 initialPosition[i][j] = s;
5257 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5258 initialPosition[0][j] = pieces[0][j-gameInfo.holdingsWidth];
5259 initialPosition[pawnRow][j] = WhitePawn;
5260 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = BlackPawn;
5261 if(gameInfo.variant == VariantXiangqi) {
5263 initialPosition[pawnRow][j] =
5264 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5265 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5266 initialPosition[2][j] = WhiteCannon;
5267 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5271 initialPosition[BOARD_HEIGHT-1][j] = pieces[1][j-gameInfo.holdingsWidth];
5273 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5276 initialPosition[1][j] = WhiteBishop;
5277 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5279 initialPosition[1][j] = WhiteRook;
5280 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5283 if( nrCastlingRights == -1) {
5284 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5285 /* This sets default castling rights from none to normal corners */
5286 /* Variants with other castling rights must set them themselves above */
5287 nrCastlingRights = 6;
5288 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5289 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5290 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5291 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5292 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5293 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5296 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5297 if(gameInfo.variant == VariantGreat) { // promotion commoners
5298 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5299 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5300 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5301 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5303 if (appData.debugMode) {
5304 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5306 if(shuffleOpenings) {
5307 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5308 startedFromSetupPosition = TRUE;
5310 if(startedFromPositionFile) {
5311 /* [HGM] loadPos: use PositionFile for every new game */
5312 CopyBoard(initialPosition, filePosition);
5313 for(i=0; i<nrCastlingRights; i++)
5314 initialRights[i] = filePosition[CASTLING][i];
5315 startedFromSetupPosition = TRUE;
5318 CopyBoard(boards[0], initialPosition);
5319 if(oldx != gameInfo.boardWidth ||
5320 oldy != gameInfo.boardHeight ||
5321 oldh != gameInfo.holdingsWidth
5323 || oldv == VariantGothic || // For licensing popups
5324 gameInfo.variant == VariantGothic
5327 || oldv == VariantFalcon ||
5328 gameInfo.variant == VariantFalcon
5332 InitDrawingSizes(-2 ,0);
5336 DrawPosition(TRUE, boards[currentMove]);
5341 SendBoard(cps, moveNum)
5342 ChessProgramState *cps;
5345 char message[MSG_SIZ];
5347 if (cps->useSetboard) {
5348 char* fen = PositionToFEN(moveNum, cps->fenOverride);
5349 sprintf(message, "setboard %s\n", fen);
5350 SendToProgram(message, cps);
5356 /* Kludge to set black to move, avoiding the troublesome and now
5357 * deprecated "black" command.
5359 if (!WhiteOnMove(moveNum)) SendToProgram("a2a3\n", cps);
5361 SendToProgram("edit\n", cps);
5362 SendToProgram("#\n", cps);
5363 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5364 bp = &boards[moveNum][i][BOARD_LEFT];
5365 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5366 if ((int) *bp < (int) BlackPawn) {
5367 sprintf(message, "%c%c%c\n", PieceToChar(*bp),
5369 if(message[0] == '+' || message[0] == '~') {
5370 sprintf(message, "%c%c%c+\n",
5371 PieceToChar((ChessSquare)(DEMOTED *bp)),
5374 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5375 message[1] = BOARD_RGHT - 1 - j + '1';
5376 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5378 SendToProgram(message, cps);
5383 SendToProgram("c\n", cps);
5384 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5385 bp = &boards[moveNum][i][BOARD_LEFT];
5386 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5387 if (((int) *bp != (int) EmptySquare)
5388 && ((int) *bp >= (int) BlackPawn)) {
5389 sprintf(message, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
5391 if(message[0] == '+' || message[0] == '~') {
5392 sprintf(message, "%c%c%c+\n",
5393 PieceToChar((ChessSquare)(DEMOTED *bp)),
5396 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5397 message[1] = BOARD_RGHT - 1 - j + '1';
5398 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5400 SendToProgram(message, cps);
5405 SendToProgram(".\n", cps);
5407 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
5411 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice)
5413 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
5414 /* [HGM] add Shogi promotions */
5415 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
5420 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
5421 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
5423 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
5424 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
5427 piece = boards[currentMove][fromY][fromX];
5428 if(gameInfo.variant == VariantShogi) {
5429 promotionZoneSize = 3;
5430 highestPromotingPiece = (int)WhiteFerz;
5431 } else if(gameInfo.variant == VariantMakruk) {
5432 promotionZoneSize = 3;
5435 // next weed out all moves that do not touch the promotion zone at all
5436 if((int)piece >= BlackPawn) {
5437 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
5439 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
5441 if( toY < BOARD_HEIGHT - promotionZoneSize &&
5442 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
5445 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
5447 // weed out mandatory Shogi promotions
5448 if(gameInfo.variant == VariantShogi) {
5449 if(piece >= BlackPawn) {
5450 if(toY == 0 && piece == BlackPawn ||
5451 toY == 0 && piece == BlackQueen ||
5452 toY <= 1 && piece == BlackKnight) {
5457 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
5458 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
5459 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
5466 // weed out obviously illegal Pawn moves
5467 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
5468 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
5469 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
5470 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
5471 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
5472 // note we are not allowed to test for valid (non-)capture, due to premove
5475 // we either have a choice what to promote to, or (in Shogi) whether to promote
5476 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
5477 *promoChoice = PieceToChar(BlackFerz); // no choice
5480 if(appData.alwaysPromoteToQueen) { // predetermined
5481 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantLosers)
5482 *promoChoice = PieceToChar(BlackKing); // in Suicide Q is the last thing we want
5483 else *promoChoice = PieceToChar(BlackQueen);
5487 // suppress promotion popup on illegal moves that are not premoves
5488 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
5489 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
5490 if(appData.testLegality && !premove) {
5491 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5492 fromY, fromX, toY, toX, NULLCHAR);
5493 if(moveType != WhitePromotionQueen && moveType != BlackPromotionQueen &&
5494 moveType != WhitePromotionKnight && moveType != BlackPromotionKnight)
5502 InPalace(row, column)
5504 { /* [HGM] for Xiangqi */
5505 if( (row < 3 || row > BOARD_HEIGHT-4) &&
5506 column < (BOARD_WIDTH + 4)/2 &&
5507 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
5512 PieceForSquare (x, y)
5516 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
5519 return boards[currentMove][y][x];
5523 OKToStartUserMove(x, y)
5526 ChessSquare from_piece;
5529 if (matchMode) return FALSE;
5530 if (gameMode == EditPosition) return TRUE;
5532 if (x >= 0 && y >= 0)
5533 from_piece = boards[currentMove][y][x];
5535 from_piece = EmptySquare;
5537 if (from_piece == EmptySquare) return FALSE;
5539 white_piece = (int)from_piece >= (int)WhitePawn &&
5540 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
5543 case PlayFromGameFile:
5545 case TwoMachinesPlay:
5553 case MachinePlaysWhite:
5554 case IcsPlayingBlack:
5555 if (appData.zippyPlay) return FALSE;
5557 DisplayMoveError(_("You are playing Black"));
5562 case MachinePlaysBlack:
5563 case IcsPlayingWhite:
5564 if (appData.zippyPlay) return FALSE;
5566 DisplayMoveError(_("You are playing White"));
5572 if (!white_piece && WhiteOnMove(currentMove)) {
5573 DisplayMoveError(_("It is White's turn"));
5576 if (white_piece && !WhiteOnMove(currentMove)) {
5577 DisplayMoveError(_("It is Black's turn"));
5580 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
5581 /* Editing correspondence game history */
5582 /* Could disallow this or prompt for confirmation */
5587 case BeginningOfGame:
5588 if (appData.icsActive) return FALSE;
5589 if (!appData.noChessProgram) {
5591 DisplayMoveError(_("You are playing White"));
5598 if (!white_piece && WhiteOnMove(currentMove)) {
5599 DisplayMoveError(_("It is White's turn"));
5602 if (white_piece && !WhiteOnMove(currentMove)) {
5603 DisplayMoveError(_("It is Black's turn"));
5612 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
5613 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
5614 && gameMode != AnalyzeFile && gameMode != Training) {
5615 DisplayMoveError(_("Displayed position is not current"));
5622 OnlyMove(int *x, int *y) {
5623 DisambiguateClosure cl;
5624 if (appData.zippyPlay) return FALSE;
5626 case MachinePlaysBlack:
5627 case IcsPlayingWhite:
5628 case BeginningOfGame:
5629 if(!WhiteOnMove(currentMove)) return FALSE;
5631 case MachinePlaysWhite:
5632 case IcsPlayingBlack:
5633 if(WhiteOnMove(currentMove)) return FALSE;
5638 cl.pieceIn = EmptySquare;
5643 cl.promoCharIn = NULLCHAR;
5644 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5645 if(cl.kind == NormalMove) {
5652 if(cl.kind != ImpossibleMove) return FALSE;
5653 cl.pieceIn = EmptySquare;
5658 cl.promoCharIn = NULLCHAR;
5659 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5660 if(cl.kind == NormalMove) {
5670 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
5671 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
5672 int lastLoadGameUseList = FALSE;
5673 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
5674 ChessMove lastLoadGameStart = (ChessMove) 0;
5677 UserMoveTest(fromX, fromY, toX, toY, promoChar, captureOwn)
5678 int fromX, fromY, toX, toY;
5683 ChessSquare pdown, pup;
5685 /* Check if the user is playing in turn. This is complicated because we
5686 let the user "pick up" a piece before it is his turn. So the piece he
5687 tried to pick up may have been captured by the time he puts it down!
5688 Therefore we use the color the user is supposed to be playing in this
5689 test, not the color of the piece that is currently on the starting
5690 square---except in EditGame mode, where the user is playing both
5691 sides; fortunately there the capture race can't happen. (It can
5692 now happen in IcsExamining mode, but that's just too bad. The user
5693 will get a somewhat confusing message in that case.)
5697 case PlayFromGameFile:
5699 case TwoMachinesPlay:
5703 /* We switched into a game mode where moves are not accepted,
5704 perhaps while the mouse button was down. */
5705 return ImpossibleMove;
5707 case MachinePlaysWhite:
5708 /* User is moving for Black */
5709 if (WhiteOnMove(currentMove)) {
5710 DisplayMoveError(_("It is White's turn"));
5711 return ImpossibleMove;
5715 case MachinePlaysBlack:
5716 /* User is moving for White */
5717 if (!WhiteOnMove(currentMove)) {
5718 DisplayMoveError(_("It is Black's turn"));
5719 return ImpossibleMove;
5725 case BeginningOfGame:
5728 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
5729 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
5730 /* User is moving for Black */
5731 if (WhiteOnMove(currentMove)) {
5732 DisplayMoveError(_("It is White's turn"));
5733 return ImpossibleMove;
5736 /* User is moving for White */
5737 if (!WhiteOnMove(currentMove)) {
5738 DisplayMoveError(_("It is Black's turn"));
5739 return ImpossibleMove;
5744 case IcsPlayingBlack:
5745 /* User is moving for Black */
5746 if (WhiteOnMove(currentMove)) {
5747 if (!appData.premove) {
5748 DisplayMoveError(_("It is White's turn"));
5749 } else if (toX >= 0 && toY >= 0) {
5752 premoveFromX = fromX;
5753 premoveFromY = fromY;
5754 premovePromoChar = promoChar;
5756 if (appData.debugMode)
5757 fprintf(debugFP, "Got premove: fromX %d,"
5758 "fromY %d, toX %d, toY %d\n",
5759 fromX, fromY, toX, toY);
5761 return ImpossibleMove;
5765 case IcsPlayingWhite:
5766 /* User is moving for White */
5767 if (!WhiteOnMove(currentMove)) {
5768 if (!appData.premove) {
5769 DisplayMoveError(_("It is Black's turn"));
5770 } else if (toX >= 0 && toY >= 0) {
5773 premoveFromX = fromX;
5774 premoveFromY = fromY;
5775 premovePromoChar = promoChar;
5777 if (appData.debugMode)
5778 fprintf(debugFP, "Got premove: fromX %d,"
5779 "fromY %d, toX %d, toY %d\n",
5780 fromX, fromY, toX, toY);
5782 return ImpossibleMove;
5790 /* EditPosition, empty square, or different color piece;
5791 click-click move is possible */
5792 if (toX == -2 || toY == -2) {
5793 boards[0][fromY][fromX] = EmptySquare;
5794 return AmbiguousMove;
5795 } else if (toX >= 0 && toY >= 0) {
5796 boards[0][toY][toX] = boards[0][fromY][fromX];
5797 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
5798 if(boards[0][fromY][0] != EmptySquare) {
5799 if(boards[0][fromY][1]) boards[0][fromY][1]--;
5800 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
5803 if(fromX == BOARD_RGHT+1) {
5804 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
5805 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
5806 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
5809 boards[0][fromY][fromX] = EmptySquare;
5810 return AmbiguousMove;
5812 return ImpossibleMove;
5815 if(toX < 0 || toY < 0) return ImpossibleMove;
5816 pdown = boards[currentMove][fromY][fromX];
5817 pup = boards[currentMove][toY][toX];
5819 /* [HGM] If move started in holdings, it means a drop */
5820 if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) {
5821 if( pup != EmptySquare ) return ImpossibleMove;
5822 if(appData.testLegality) {
5823 /* it would be more logical if LegalityTest() also figured out
5824 * which drops are legal. For now we forbid pawns on back rank.
5825 * Shogi is on its own here...
5827 if( (pdown == WhitePawn || pdown == BlackPawn) &&
5828 (toY == 0 || toY == BOARD_HEIGHT -1 ) )
5829 return(ImpossibleMove); /* no pawn drops on 1st/8th */
5831 return WhiteDrop; /* Not needed to specify white or black yet */
5835 /* [HGM] always test for legality, to get promotion info */
5836 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5837 fromY, fromX, toY, toX, promoChar);
5838 /* [HGM] but possibly ignore an IllegalMove result */
5839 if (appData.testLegality) {
5840 if (moveType == IllegalMove || moveType == ImpossibleMove) {
5841 DisplayMoveError(_("Illegal move"));
5842 return ImpossibleMove;
5847 /* [HGM] <popupFix> in stead of calling FinishMove directly, this
5848 function is made into one that returns an OK move type if FinishMove
5849 should be called. This to give the calling driver routine the
5850 opportunity to finish the userMove input with a promotion popup,
5851 without bothering the user with this for invalid or illegal moves */
5853 /* FinishMove(moveType, fromX, fromY, toX, toY, promoChar); */
5856 /* Common tail of UserMoveEvent and DropMenuEvent */
5858 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
5860 int fromX, fromY, toX, toY;
5861 /*char*/int promoChar;
5865 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR)
5867 // [HGM] superchess: suppress promotions to non-available piece
5868 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
5869 if(WhiteOnMove(currentMove))
5871 if(!boards[currentMove][k][BOARD_WIDTH-2])
5876 if(!boards[currentMove][BOARD_HEIGHT-1-k][1])
5881 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
5882 move type in caller when we know the move is a legal promotion */
5883 if(moveType == NormalMove && promoChar)
5884 moveType = PromoCharToMoveType(WhiteOnMove(currentMove), promoChar);
5886 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
5887 move type in caller when we know the move is a legal promotion */
5888 if(moveType == NormalMove && promoChar)
5889 moveType = PromoCharToMoveType(WhiteOnMove(currentMove), promoChar);
5891 /* [HGM] convert drag-and-drop piece drops to standard form */
5892 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK )
5894 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
5895 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
5896 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
5897 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
5898 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
5899 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
5900 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
5904 /* [HGM] <popupFix> The following if has been moved here from
5905 UserMoveEvent(). Because it seemed to belong here (why not allow
5906 piece drops in training games?), and because it can only be
5907 performed after it is known to what we promote. */
5908 if (gameMode == Training)
5910 /* compare the move played on the board to the next move in the
5911 * game. If they match, display the move and the opponent's response.
5912 * If they don't match, display an error message.
5916 CopyBoard(testBoard, boards[currentMove]);
5917 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
5919 if (CompareBoards(testBoard, boards[currentMove+1]))
5921 ForwardInner(currentMove+1);
5923 /* Autoplay the opponent's response.
5924 * if appData.animate was TRUE when Training mode was entered,
5925 * the response will be animated.
5927 saveAnimate = appData.animate;
5928 appData.animate = animateTraining;
5929 ForwardInner(currentMove+1);
5930 appData.animate = saveAnimate;
5932 /* check for the end of the game */
5933 if (currentMove >= forwardMostMove)
5935 gameMode = PlayFromGameFile;
5937 SetTrainingModeOff();
5938 DisplayInformation(_("End of game"));
5943 DisplayError(_("Incorrect move"), 0);
5948 /* Ok, now we know that the move is good, so we can kill
5949 the previous line in Analysis Mode */
5950 if ((gameMode == AnalyzeMode || gameMode == EditGame)
5951 && currentMove < forwardMostMove) {
5952 PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
5955 /* If we need the chess program but it's dead, restart it */
5956 ResurrectChessProgram();
5958 /* A user move restarts a paused game*/
5962 thinkOutput[0] = NULLCHAR;
5964 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
5967 if(Adjudicate(NULL)) return 1; // [HGM] adjudicate: take care of automtic game end
5969 if (gameMode == BeginningOfGame)
5971 if (appData.noChessProgram)
5973 gameMode = EditGame;
5979 gameMode = MachinePlaysBlack;
5982 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
5986 sprintf(buf, "name %s\n", gameInfo.white);
5987 SendToProgram(buf, &first);
5995 /* Relay move to ICS or chess engine */
5997 if (appData.icsActive) {
5998 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
5999 gameMode == IcsExamining) {
6000 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6001 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6003 SendMoveToICS(moveType, fromX, fromY, toX, toY);
6005 // also send plain move, in case ICS does not understand atomic claims
6006 SendMoveToICS(moveType, fromX, fromY, toX, toY);
6010 if (first.sendTime && (gameMode == BeginningOfGame ||
6011 gameMode == MachinePlaysWhite ||
6012 gameMode == MachinePlaysBlack)) {
6013 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6015 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6016 // [HGM] book: if program might be playing, let it use book
6017 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6018 first.maybeThinking = TRUE;
6019 } else SendMoveToProgram(forwardMostMove-1, &first);
6020 if (currentMove == cmailOldMove + 1) {
6021 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6025 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6030 switch (MateTest(boards[currentMove], PosFlags(currentMove)) )
6037 if (WhiteOnMove(currentMove)) {
6038 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6040 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6044 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6049 case MachinePlaysBlack:
6050 case MachinePlaysWhite:
6051 /* disable certain menu options while machine is thinking */
6052 SetMachineThinkingEnables();
6058 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6061 { // [HGM] book: simulate book reply
6062 static char bookMove[MSG_SIZ]; // a bit generous?
6065 programStats.nodes = programStats.depth = programStats.time =
6066 programStats.score = programStats.got_only_move = 0;
6067 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6069 strcpy(bookMove, "move ");
6070 strcat(bookMove, bookHit);
6071 HandleMachineMove(bookMove, &first);
6078 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
6079 int fromX, fromY, toX, toY;
6082 /* [HGM] This routine was added to allow calling of its two logical
6083 parts from other modules in the old way. Before, UserMoveEvent()
6084 automatically called FinishMove() if the move was OK, and returned
6085 otherwise. I separated the two, in order to make it possible to
6086 slip a promotion popup in between. But that it always needs two
6087 calls, to the first part, (now called UserMoveTest() ), and to
6088 FinishMove if the first part succeeded. Calls that do not need
6089 to do anything in between, can call this routine the old way.
6091 ChessMove moveType = UserMoveTest(fromX, fromY, toX, toY, promoChar, FALSE);
6092 if(appData.debugMode) fprintf(debugFP, "moveType 4 = %d, promochar = %x\n", moveType, promoChar);
6093 if(moveType == AmbiguousMove)
6094 DrawPosition(FALSE, boards[currentMove]);
6095 else if(moveType != ImpossibleMove && moveType != Comment)
6096 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6100 PromoDialog(int h, int w, Board board, Boolean clearBoard)
6101 { // dummy routine to mimic with pseudo-popup what front-end should do:
6102 // display a popup with h x w mini-board
6104 DisplayMessage("Click on your piece of choice", "");
6105 DrawPosition(TRUE, board);
6108 int hTab[(int)EmptySquare/2+1] = { 1,1,1,1,1,1,2,1,2,3,2,3,3,3,2,3,4,3,3,4,4,3,4 };
6109 int wTab[(int)EmptySquare/2+1] = { 1,1,2,3,4,5,3,7,4,3,5,4,4,5,7,5,4,6,6,5,5,7,6 };
6111 int promotionChoice = 0;
6113 void PromoPopUp(ChessSquare piece)
6114 { // determine the layout of the piece-choice dialog
6116 ChessSquare list[EmptySquare];
6118 if(gameInfo.variant == VariantShogi) {
6119 // non-Pawn promotes; must be shogi
6120 h = 1; w = 1; list[0] = piece;
6121 if(PieceToChar(PROMOTED piece) != '.') {
6122 // promoted version is enabled
6123 w = 2; list[1] = PROMOTED piece;
6126 // Pawn, promotes to any enabled other piece
6128 for(i=1; i<EmptySquare/2; i++) {
6129 if(PieceToChar(piece+i) != '.'
6130 && PieceToChar(PROMOTED piece + i) != '~' // suppress bughouse true pieces
6132 list[w++] = piece+i; nr++;
6135 if(appData.testLegality && gameInfo.variant != VariantSuicide) nr--,w--; // remove King
6136 h = hTab[nr]; w = wTab[nr]; // factorize with nice ratio
6137 for(i=0; i<BOARD_HEIGHT; i++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) promoBoard[i][j] = EmptySquare;
6138 for(i=0; i < nr; i++) promoBoard[BOARD_LEFT+i/w][i%w] = list[i]; // layout
6140 promotionChoice = 2; // wait for click on board
6141 PromoDialog(h, w, promoBoard, FALSE);
6145 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6152 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6153 Markers *m = (Markers *) closure;
6154 if(rf == fromY && ff == fromX)
6155 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6156 || kind == WhiteCapturesEnPassant
6157 || kind == BlackCapturesEnPassant);
6158 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6162 MarkTargetSquares(int clear)
6165 if(!appData.markers || !appData.highlightDragging ||
6166 !appData.testLegality || gameMode == EditPosition) return;
6168 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6171 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker);
6172 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6173 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6175 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6178 DrawPosition(TRUE, NULL);
6181 void LeftClick(ClickType clickType, int xPix, int yPix)
6184 Boolean saveAnimate;
6185 static int second = 0;
6186 char promoChoice = NULLCHAR;
6188 if(appData.seekGraph && appData.icsActive && loggedOn &&
6189 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6190 SeekGraphClick(clickType, xPix, yPix, 0);
6194 if (clickType == Press) ErrorPopDown();
6195 MarkTargetSquares(1);
6197 x = EventToSquare(xPix, BOARD_WIDTH);
6198 y = EventToSquare(yPix, BOARD_HEIGHT);
6199 if (!flipView && y >= 0) {
6200 y = BOARD_HEIGHT - 1 - y;
6202 if (flipView && x >= 0) {
6203 x = BOARD_WIDTH - 1 - x;
6206 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6207 ChessSquare p = EmptySquare; Boolean inHoldings;
6208 if(clickType == Release) return; // ignore upclick of click-click destination
6209 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6210 inHoldings = gameInfo.holdingsWidth &&
6211 (WhiteOnMove(currentMove)
6212 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y > 0
6213 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT-1);
6214 // click in right holdings, for determining promotion piece
6215 if(promotionChoice == 1 && inHoldings || promotionChoice == 2 && x >= BOARD_LEFT && x < BOARD_RGHT) {
6216 p = promoBoard[y][x];
6217 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6218 if(p != EmptySquare) {
6219 FinishMove(NormalMove, fromX, fromY, toX, toY, ToLower(PieceToChar(p)));
6221 promotionChoice = 0;
6225 promotionChoice = 0; // only one chance: if click not OK it is interpreted as cancel
6226 DrawPosition(FALSE, boards[currentMove]);
6230 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6231 if(clickType == Press
6232 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6233 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6234 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6238 if(!appData.oneClick || !OnlyMove(&x, &y)) {
6239 if (clickType == Press) {
6241 if (OKToStartUserMove(x, y)) {
6245 MarkTargetSquares(0);
6246 DragPieceBegin(xPix, yPix);
6247 if (appData.highlightDragging) {
6248 SetHighlights(x, y, -1, -1);
6257 if (clickType == Press && gameMode != EditPosition) {
6262 // ignore off-board to clicks
6263 if(y < 0 || x < 0) return;
6265 /* Check if clicking again on the same color piece */
6266 fromP = boards[currentMove][fromY][fromX];
6267 toP = boards[currentMove][y][x];
6268 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom;
6269 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6270 WhitePawn <= toP && toP <= WhiteKing &&
6271 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6272 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6273 (BlackPawn <= fromP && fromP <= BlackKing &&
6274 BlackPawn <= toP && toP <= BlackKing &&
6275 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6276 !(fromP == BlackKing && toP == BlackRook && frc))) {
6277 /* Clicked again on same color piece -- changed his mind */
6278 second = (x == fromX && y == fromY);
6279 if (appData.highlightDragging) {
6280 SetHighlights(x, y, -1, -1);
6284 if (OKToStartUserMove(x, y)) {
6287 MarkTargetSquares(0);
6288 DragPieceBegin(xPix, yPix);
6292 // ignore clicks on holdings
6293 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6296 if (clickType == Release && x == fromX && y == fromY) {
6297 DragPieceEnd(xPix, yPix);
6298 if (appData.animateDragging) {
6299 /* Undo animation damage if any */
6300 DrawPosition(FALSE, NULL);
6303 /* Second up/down in same square; just abort move */
6308 ClearPremoveHighlights();
6310 /* First upclick in same square; start click-click mode */
6311 SetHighlights(x, y, -1, -1);
6316 /* we now have a different from- and (possibly off-board) to-square */
6317 /* Completed move */
6320 saveAnimate = appData.animate;
6321 if (clickType == Press) {
6322 /* Finish clickclick move */
6323 if (appData.animate || appData.highlightLastMove) {
6324 SetHighlights(fromX, fromY, toX, toY);
6329 /* Finish drag move */
6330 if (appData.highlightLastMove) {
6331 SetHighlights(fromX, fromY, toX, toY);
6335 DragPieceEnd(xPix, yPix);
6336 /* Don't animate move and drag both */
6337 appData.animate = FALSE;
6340 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
6341 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
6342 ChessSquare piece = boards[currentMove][fromY][fromX];
6343 if(gameMode == EditPosition && piece != EmptySquare &&
6344 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
6347 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
6348 n = PieceToNumber(piece - (int)BlackPawn);
6349 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
6350 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
6351 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
6353 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
6354 n = PieceToNumber(piece);
6355 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
6356 boards[currentMove][n][BOARD_WIDTH-1] = piece;
6357 boards[currentMove][n][BOARD_WIDTH-2]++;
6359 boards[currentMove][fromY][fromX] = EmptySquare;
6363 DrawPosition(TRUE, boards[currentMove]);
6367 // off-board moves should not be highlighted
6368 if(x < 0 || x < 0) ClearHighlights();
6370 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
6371 SetHighlights(fromX, fromY, toX, toY);
6372 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6373 // [HGM] super: promotion to captured piece selected from holdings
6374 ChessSquare p = boards[currentMove][fromY][fromX];
6375 promotionChoice = 1;
6376 CopyBoard(promoBoard, boards[currentMove]);
6377 // kludge follows to temporarily execute move on display, without promoting yet
6378 promoBoard[fromY][fromX] = EmptySquare; // move Pawn to 8th rank
6379 promoBoard[toY][toX] = p;
6380 DrawPosition(FALSE, promoBoard);
6381 DisplayMessage("Click in holdings to choose piece", "");
6384 CopyBoard(promoBoard, boards[currentMove]);
6385 PromoPopUp(boards[currentMove][fromY][fromX]);
6387 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
6388 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
6389 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
6392 appData.animate = saveAnimate;
6393 if (appData.animate || appData.animateDragging) {
6394 /* Undo animation damage if needed */
6395 DrawPosition(FALSE, NULL);
6399 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
6400 { // front-end-free part taken out of PieceMenuPopup
6401 int whichMenu; int xSqr, ySqr;
6403 if(seekGraphUp) { // [HGM] seekgraph
6404 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
6405 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
6409 xSqr = EventToSquare(x, BOARD_WIDTH);
6410 ySqr = EventToSquare(y, BOARD_HEIGHT);
6411 if (action == Release) UnLoadPV(); // [HGM] pv
6412 if (action != Press) return -2; // return code to be ignored
6415 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
6417 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
6418 if (xSqr < 0 || ySqr < 0) return -1;
6419 whichMenu = 0; // edit-position menu
6422 if(!appData.icsEngineAnalyze) return -1;
6423 case IcsPlayingWhite:
6424 case IcsPlayingBlack:
6425 if(!appData.zippyPlay) goto noZip;
6428 case MachinePlaysWhite:
6429 case MachinePlaysBlack:
6430 case TwoMachinesPlay: // [HGM] pv: use for showing PV
6431 if (!appData.dropMenu) {
6433 return 2; // flag front-end to grab mouse events
6435 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
6436 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
6439 if (xSqr < 0 || ySqr < 0) return -1;
6440 if (!appData.dropMenu || appData.testLegality &&
6441 gameInfo.variant != VariantBughouse &&
6442 gameInfo.variant != VariantCrazyhouse) return -1;
6443 whichMenu = 1; // drop menu
6449 if (((*fromX = xSqr) < 0) ||
6450 ((*fromY = ySqr) < 0)) {
6451 *fromX = *fromY = -1;
6455 *fromX = BOARD_WIDTH - 1 - *fromX;
6457 *fromY = BOARD_HEIGHT - 1 - *fromY;
6462 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
6464 // char * hint = lastHint;
6465 FrontEndProgramStats stats;
6467 stats.which = cps == &first ? 0 : 1;
6468 stats.depth = cpstats->depth;
6469 stats.nodes = cpstats->nodes;
6470 stats.score = cpstats->score;
6471 stats.time = cpstats->time;
6472 stats.pv = cpstats->movelist;
6473 stats.hint = lastHint;
6474 stats.an_move_index = 0;
6475 stats.an_move_count = 0;
6477 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
6478 stats.hint = cpstats->move_name;
6479 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
6480 stats.an_move_count = cpstats->nr_moves;
6483 if(stats.pv && stats.pv[0]) strcpy(lastPV[stats.which], stats.pv); // [HGM] pv: remember last PV of each
6485 SetProgramStats( &stats );
6489 Adjudicate(ChessProgramState *cps)
6490 { // [HGM] some adjudications useful with buggy engines
6491 // [HGM] adjudicate: made into separate routine, which now can be called after every move
6492 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
6493 // Actually ending the game is now based on the additional internal condition canAdjudicate.
6494 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
6495 int k, count = 0; static int bare = 1;
6496 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
6497 Boolean canAdjudicate = !appData.icsActive;
6499 // most tests only when we understand the game, i.e. legality-checking on, and (for the time being) no piece drops
6500 if(gameInfo.holdingsSize == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6501 if( appData.testLegality )
6502 { /* [HGM] Some more adjudications for obstinate engines */
6503 int NrWN=0, NrBN=0, NrWB=0, NrBB=0, NrWR=0, NrBR=0,
6504 NrWQ=0, NrBQ=0, NrW=0, NrK=0, bishopsColor = 0,
6505 NrPieces=0, NrPawns=0, PawnAdvance=0, i, j;
6506 static int moveCount = 6;
6508 char *reason = NULL;
6511 /* Count what is on board. */
6512 for(i=0; i<BOARD_HEIGHT; i++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
6513 { ChessSquare p = boards[forwardMostMove][i][j];
6517 { /* count B,N,R and other of each side */
6520 NrK++; break; // [HGM] atomic: count Kings
6524 case WhiteFerz: // [HGM] shatranj: kludge to mke it work in shatranj
6525 bishopsColor |= 1 << ((i^j)&1);
6530 case BlackFerz: // [HGM] shatranj: kludge to mke it work in shatranj
6531 bishopsColor |= 1 << ((i^j)&1);
6546 PawnAdvance += m; NrPawns++;
6548 NrPieces += (p != EmptySquare);
6549 NrW += ((int)p < (int)BlackPawn);
6550 if(gameInfo.variant == VariantXiangqi &&
6551 (p == WhiteFerz || p == WhiteAlfil || p == BlackFerz || p == BlackAlfil)) {
6552 NrPieces--; // [HGM] XQ: do not count purely defensive pieces
6553 NrW -= ((int)p < (int)BlackPawn);
6557 /* Some material-based adjudications that have to be made before stalemate test */
6558 if(gameInfo.variant == VariantAtomic && NrK < 2) {
6559 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
6560 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
6561 if(canAdjudicate && appData.checkMates) {
6563 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6564 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6565 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
6566 "Xboard adjudication: King destroyed", GE_XBOARD );
6571 /* Bare King in Shatranj (loses) or Losers (wins) */
6572 if( NrW == 1 || NrPieces - NrW == 1) {
6573 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
6574 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
6575 if(canAdjudicate && appData.checkMates) {
6577 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
6578 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6579 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6580 "Xboard adjudication: Bare king", GE_XBOARD );
6584 if( gameInfo.variant == VariantShatranj && --bare < 0)
6586 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
6587 if(canAdjudicate && appData.checkMates) {
6588 /* but only adjudicate if adjudication enabled */
6590 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6591 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6592 GameEnds( NrW > 1 ? WhiteWins : NrPieces - NrW > 1 ? BlackWins : GameIsDrawn,
6593 "Xboard adjudication: Bare king", GE_XBOARD );
6600 // don't wait for engine to announce game end if we can judge ourselves
6601 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
6603 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
6604 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
6605 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
6606 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
6609 reason = "Xboard adjudication: 3rd check";
6610 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
6620 reason = "Xboard adjudication: Stalemate";
6621 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
6622 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
6623 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
6624 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
6625 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
6626 boards[forwardMostMove][EP_STATUS] = NrW == NrPieces-NrW ? EP_STALEMATE :
6627 ((NrW < NrPieces-NrW) != WhiteOnMove(forwardMostMove) ?
6628 EP_CHECKMATE : EP_WINS);
6629 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
6630 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
6634 reason = "Xboard adjudication: Checkmate";
6635 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
6639 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
6641 result = GameIsDrawn; break;
6643 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
6645 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
6647 result = (ChessMove) 0;
6649 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
6651 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6652 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6653 GameEnds( result, reason, GE_XBOARD );
6657 /* Next absolutely insufficient mating material. */
6658 if( NrPieces == 2 || gameInfo.variant != VariantXiangqi &&
6659 gameInfo.variant != VariantShatranj && // [HGM] baring will remain possible
6660 (NrPieces == 3 && NrWN+NrBN+NrWB+NrBB == 1 ||
6661 NrPieces == NrBB+NrWB+2 && bishopsColor != 3)) // [HGM] all Bishops (Ferz!) same color
6662 { /* KBK, KNK, KK of KBKB with like Bishops */
6664 /* always flag draws, for judging claims */
6665 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
6667 if(canAdjudicate && appData.materialDraws) {
6668 /* but only adjudicate them if adjudication enabled */
6669 if(engineOpponent) {
6670 SendToProgram("force\n", engineOpponent); // suppress reply
6671 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
6673 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6674 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
6679 /* Then some trivial draws (only adjudicate, cannot be claimed) */
6681 ( NrWR == 1 && NrBR == 1 /* KRKR */
6682 || NrWQ==1 && NrBQ==1 /* KQKQ */
6683 || NrWN==2 || NrBN==2 /* KNNK */
6684 || NrWN+NrWB == 1 && NrBN+NrBB == 1 /* KBKN, KBKB, KNKN */
6686 if(canAdjudicate && --moveCount < 0 && appData.trivialDraws)
6687 { /* if the first 3 moves do not show a tactical win, declare draw */
6688 if(engineOpponent) {
6689 SendToProgram("force\n", engineOpponent); // suppress reply
6690 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6692 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6693 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
6696 } else moveCount = 6;
6700 if (appData.debugMode) { int i;
6701 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
6702 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
6703 appData.drawRepeats);
6704 for( i=forwardMostMove; i>=backwardMostMove; i-- )
6705 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
6709 // Repetition draws and 50-move rule can be applied independently of legality testing
6711 /* Check for rep-draws */
6713 for(k = forwardMostMove-2;
6714 k>=backwardMostMove && k>=forwardMostMove-100 &&
6715 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
6716 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
6719 if(CompareBoards(boards[k], boards[forwardMostMove])) {
6720 /* compare castling rights */
6721 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
6722 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
6723 rights++; /* King lost rights, while rook still had them */
6724 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
6725 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
6726 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
6727 rights++; /* but at least one rook lost them */
6729 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
6730 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
6732 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
6733 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
6734 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
6737 if( canAdjudicate && rights == 0 && ++count > appData.drawRepeats-2
6738 && appData.drawRepeats > 1) {
6739 /* adjudicate after user-specified nr of repeats */
6740 if(engineOpponent) {
6741 SendToProgram("force\n", engineOpponent); // suppress reply
6742 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6744 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6745 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
6746 // [HGM] xiangqi: check for forbidden perpetuals
6747 int m, ourPerpetual = 1, hisPerpetual = 1;
6748 for(m=forwardMostMove; m>k; m-=2) {
6749 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
6750 ourPerpetual = 0; // the current mover did not always check
6751 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
6752 hisPerpetual = 0; // the opponent did not always check
6754 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
6755 ourPerpetual, hisPerpetual);
6756 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
6757 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6758 "Xboard adjudication: perpetual checking", GE_XBOARD );
6761 if(hisPerpetual && !ourPerpetual) // he is checking us, but did not repeat yet
6762 break; // (or we would have caught him before). Abort repetition-checking loop.
6763 // Now check for perpetual chases
6764 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
6765 hisPerpetual = PerpetualChase(k, forwardMostMove);
6766 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
6767 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
6768 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6769 "Xboard adjudication: perpetual chasing", GE_XBOARD );
6772 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
6773 break; // Abort repetition-checking loop.
6775 // if neither of us is checking or chasing all the time, or both are, it is draw
6777 GameEnds( GameIsDrawn, "Xboard adjudication: repetition draw", GE_XBOARD );
6780 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
6781 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
6785 /* Now we test for 50-move draws. Determine ply count */
6786 count = forwardMostMove;
6787 /* look for last irreversble move */
6788 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
6790 /* if we hit starting position, add initial plies */
6791 if( count == backwardMostMove )
6792 count -= initialRulePlies;
6793 count = forwardMostMove - count;
6795 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
6796 /* this is used to judge if draw claims are legal */
6797 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
6798 if(engineOpponent) {
6799 SendToProgram("force\n", engineOpponent); // suppress reply
6800 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6802 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6803 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
6807 /* if draw offer is pending, treat it as a draw claim
6808 * when draw condition present, to allow engines a way to
6809 * claim draws before making their move to avoid a race
6810 * condition occurring after their move
6812 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
6814 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
6815 p = "Draw claim: 50-move rule";
6816 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
6817 p = "Draw claim: 3-fold repetition";
6818 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
6819 p = "Draw claim: insufficient mating material";
6820 if( p != NULL && canAdjudicate) {
6821 if(engineOpponent) {
6822 SendToProgram("force\n", engineOpponent); // suppress reply
6823 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6825 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6826 GameEnds( GameIsDrawn, p, GE_XBOARD );
6831 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
6832 if(engineOpponent) {
6833 SendToProgram("force\n", engineOpponent); // suppress reply
6834 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6836 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6837 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
6843 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
6844 { // [HGM] book: this routine intercepts moves to simulate book replies
6845 char *bookHit = NULL;
6847 //first determine if the incoming move brings opponent into his book
6848 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
6849 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
6850 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
6851 if(bookHit != NULL && !cps->bookSuspend) {
6852 // make sure opponent is not going to reply after receiving move to book position
6853 SendToProgram("force\n", cps);
6854 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
6856 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
6857 // now arrange restart after book miss
6859 // after a book hit we never send 'go', and the code after the call to this routine
6860 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
6862 if (cps->useUsermove) sprintf(buf, "usermove "); // sorry, no SAN yet :(
6863 sprintf(buf, "%s\n", bookHit); // force book move into program supposed to play it
6864 SendToProgram(buf, cps);
6865 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
6866 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
6867 SendToProgram("go\n", cps);
6868 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
6869 } else { // 'go' might be sent based on 'firstMove' after this routine returns
6870 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
6871 SendToProgram("go\n", cps);
6872 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
6874 return bookHit; // notify caller of hit, so it can take action to send move to opponent
6878 ChessProgramState *savedState;
6879 void DeferredBookMove(void)
6881 if(savedState->lastPing != savedState->lastPong)
6882 ScheduleDelayedEvent(DeferredBookMove, 10);
6884 HandleMachineMove(savedMessage, savedState);
6888 HandleMachineMove(message, cps)
6890 ChessProgramState *cps;
6892 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
6893 char realname[MSG_SIZ];
6894 int fromX, fromY, toX, toY;
6903 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
6905 * Kludge to ignore BEL characters
6907 while (*message == '\007') message++;
6910 * [HGM] engine debug message: ignore lines starting with '#' character
6912 if(cps->debug && *message == '#') return;
6915 * Look for book output
6917 if (cps == &first && bookRequested) {
6918 if (message[0] == '\t' || message[0] == ' ') {
6919 /* Part of the book output is here; append it */
6920 strcat(bookOutput, message);
6921 strcat(bookOutput, " \n");
6923 } else if (bookOutput[0] != NULLCHAR) {
6924 /* All of book output has arrived; display it */
6925 char *p = bookOutput;
6926 while (*p != NULLCHAR) {
6927 if (*p == '\t') *p = ' ';
6930 DisplayInformation(bookOutput);
6931 bookRequested = FALSE;
6932 /* Fall through to parse the current output */
6937 * Look for machine move.
6939 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
6940 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
6942 /* This method is only useful on engines that support ping */
6943 if (cps->lastPing != cps->lastPong) {
6944 if (gameMode == BeginningOfGame) {
6945 /* Extra move from before last new; ignore */
6946 if (appData.debugMode) {
6947 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
6950 if (appData.debugMode) {
6951 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
6952 cps->which, gameMode);
6955 SendToProgram("undo\n", cps);
6961 case BeginningOfGame:
6962 /* Extra move from before last reset; ignore */
6963 if (appData.debugMode) {
6964 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
6971 /* Extra move after we tried to stop. The mode test is
6972 not a reliable way of detecting this problem, but it's
6973 the best we can do on engines that don't support ping.
6975 if (appData.debugMode) {
6976 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
6977 cps->which, gameMode);
6979 SendToProgram("undo\n", cps);
6982 case MachinePlaysWhite:
6983 case IcsPlayingWhite:
6984 machineWhite = TRUE;
6987 case MachinePlaysBlack:
6988 case IcsPlayingBlack:
6989 machineWhite = FALSE;
6992 case TwoMachinesPlay:
6993 machineWhite = (cps->twoMachinesColor[0] == 'w');
6996 if (WhiteOnMove(forwardMostMove) != machineWhite) {
6997 if (appData.debugMode) {
6999 "Ignoring move out of turn by %s, gameMode %d"
7000 ", forwardMost %d\n",
7001 cps->which, gameMode, forwardMostMove);
7006 if (appData.debugMode) { int f = forwardMostMove;
7007 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7008 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7009 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7011 if(cps->alphaRank) AlphaRank(machineMove, 4);
7012 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7013 &fromX, &fromY, &toX, &toY, &promoChar)) {
7014 /* Machine move could not be parsed; ignore it. */
7015 sprintf(buf1, _("Illegal move \"%s\" from %s machine"),
7016 machineMove, cps->which);
7017 DisplayError(buf1, 0);
7018 sprintf(buf1, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7019 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7020 if (gameMode == TwoMachinesPlay) {
7021 GameEnds(machineWhite ? BlackWins : WhiteWins,
7027 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7028 /* So we have to redo legality test with true e.p. status here, */
7029 /* to make sure an illegal e.p. capture does not slip through, */
7030 /* to cause a forfeit on a justified illegal-move complaint */
7031 /* of the opponent. */
7032 if( gameMode==TwoMachinesPlay && appData.testLegality
7033 && fromY != DROP_RANK /* [HGM] temporary; should still add legality test for drops */
7036 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7037 fromY, fromX, toY, toX, promoChar);
7038 if (appData.debugMode) {
7040 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7041 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7042 fprintf(debugFP, "castling rights\n");
7044 if(moveType == IllegalMove) {
7045 sprintf(buf1, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7046 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7047 GameEnds(machineWhite ? BlackWins : WhiteWins,
7050 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7051 /* [HGM] Kludge to handle engines that send FRC-style castling
7052 when they shouldn't (like TSCP-Gothic) */
7054 case WhiteASideCastleFR:
7055 case BlackASideCastleFR:
7057 currentMoveString[2]++;
7059 case WhiteHSideCastleFR:
7060 case BlackHSideCastleFR:
7062 currentMoveString[2]--;
7064 default: ; // nothing to do, but suppresses warning of pedantic compilers
7067 hintRequested = FALSE;
7068 lastHint[0] = NULLCHAR;
7069 bookRequested = FALSE;
7070 /* Program may be pondering now */
7071 cps->maybeThinking = TRUE;
7072 if (cps->sendTime == 2) cps->sendTime = 1;
7073 if (cps->offeredDraw) cps->offeredDraw--;
7075 /* currentMoveString is set as a side-effect of ParseOneMove */
7076 strcpy(machineMove, currentMoveString);
7077 strcat(machineMove, "\n");
7078 strcpy(moveList[forwardMostMove], machineMove);
7080 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7082 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7083 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7086 while( count < adjudicateLossPlies ) {
7087 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7090 score = -score; /* Flip score for winning side */
7093 if( score > adjudicateLossThreshold ) {
7100 if( count >= adjudicateLossPlies ) {
7101 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7103 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7104 "Xboard adjudication",
7111 if(Adjudicate(cps)) return; // [HGM] adjudicate: for all automatic game ends
7114 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7116 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7117 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7119 SendMoveToICS(moveType, fromX, fromY, toX, toY);
7121 SendMoveToICS(moveType, fromX, fromY, toX, toY);
7123 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
7124 char buf[3*MSG_SIZ];
7126 sprintf(buf, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
7127 programStats.score / 100.,
7129 programStats.time / 100.,
7130 (unsigned int)programStats.nodes,
7131 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
7132 programStats.movelist);
7134 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
7139 /* [AS] Save move info and clear stats for next move */
7140 pvInfoList[ forwardMostMove-1 ].score = programStats.score;
7141 pvInfoList[ forwardMostMove-1 ].depth = programStats.depth;
7142 pvInfoList[ forwardMostMove-1 ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7143 ClearProgramStats();
7144 thinkOutput[0] = NULLCHAR;
7145 hiddenThinkOutputState = 0;
7148 if (gameMode == TwoMachinesPlay) {
7149 /* [HGM] relaying draw offers moved to after reception of move */
7150 /* and interpreting offer as claim if it brings draw condition */
7151 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
7152 SendToProgram("draw\n", cps->other);
7154 if (cps->other->sendTime) {
7155 SendTimeRemaining(cps->other,
7156 cps->other->twoMachinesColor[0] == 'w');
7158 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
7159 if (firstMove && !bookHit) {
7161 if (cps->other->useColors) {
7162 SendToProgram(cps->other->twoMachinesColor, cps->other);
7164 SendToProgram("go\n", cps->other);
7166 cps->other->maybeThinking = TRUE;
7169 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7171 if (!pausing && appData.ringBellAfterMoves) {
7176 * Reenable menu items that were disabled while
7177 * machine was thinking
7179 if (gameMode != TwoMachinesPlay)
7180 SetUserThinkingEnables();
7182 // [HGM] book: after book hit opponent has received move and is now in force mode
7183 // force the book reply into it, and then fake that it outputted this move by jumping
7184 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
7186 static char bookMove[MSG_SIZ]; // a bit generous?
7188 strcpy(bookMove, "move ");
7189 strcat(bookMove, bookHit);
7192 programStats.nodes = programStats.depth = programStats.time =
7193 programStats.score = programStats.got_only_move = 0;
7194 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7196 if(cps->lastPing != cps->lastPong) {
7197 savedMessage = message; // args for deferred call
7199 ScheduleDelayedEvent(DeferredBookMove, 10);
7208 /* Set special modes for chess engines. Later something general
7209 * could be added here; for now there is just one kludge feature,
7210 * needed because Crafty 15.10 and earlier don't ignore SIGINT
7211 * when "xboard" is given as an interactive command.
7213 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
7214 cps->useSigint = FALSE;
7215 cps->useSigterm = FALSE;
7217 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
7218 ParseFeatures(message+8, cps);
7219 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
7222 /* [HGM] Allow engine to set up a position. Don't ask me why one would
7223 * want this, I was asked to put it in, and obliged.
7225 if (!strncmp(message, "setboard ", 9)) {
7226 Board initial_position;
7228 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
7230 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
7231 DisplayError(_("Bad FEN received from engine"), 0);
7235 CopyBoard(boards[0], initial_position);
7236 initialRulePlies = FENrulePlies;
7237 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
7238 else gameMode = MachinePlaysBlack;
7239 DrawPosition(FALSE, boards[currentMove]);
7245 * Look for communication commands
7247 if (!strncmp(message, "telluser ", 9)) {
7248 DisplayNote(message + 9);
7251 if (!strncmp(message, "tellusererror ", 14)) {
7253 DisplayError(message + 14, 0);
7256 if (!strncmp(message, "tellopponent ", 13)) {
7257 if (appData.icsActive) {
7259 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
7263 DisplayNote(message + 13);
7267 if (!strncmp(message, "tellothers ", 11)) {
7268 if (appData.icsActive) {
7270 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
7276 if (!strncmp(message, "tellall ", 8)) {
7277 if (appData.icsActive) {
7279 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
7283 DisplayNote(message + 8);
7287 if (strncmp(message, "warning", 7) == 0) {
7288 /* Undocumented feature, use tellusererror in new code */
7289 DisplayError(message, 0);
7292 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
7293 strcpy(realname, cps->tidy);
7294 strcat(realname, " query");
7295 AskQuestion(realname, buf2, buf1, cps->pr);
7298 /* Commands from the engine directly to ICS. We don't allow these to be
7299 * sent until we are logged on. Crafty kibitzes have been known to
7300 * interfere with the login process.
7303 if (!strncmp(message, "tellics ", 8)) {
7304 SendToICS(message + 8);
7308 if (!strncmp(message, "tellicsnoalias ", 15)) {
7309 SendToICS(ics_prefix);
7310 SendToICS(message + 15);
7314 /* The following are for backward compatibility only */
7315 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
7316 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
7317 SendToICS(ics_prefix);
7323 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
7327 * If the move is illegal, cancel it and redraw the board.
7328 * Also deal with other error cases. Matching is rather loose
7329 * here to accommodate engines written before the spec.
7331 if (strncmp(message + 1, "llegal move", 11) == 0 ||
7332 strncmp(message, "Error", 5) == 0) {
7333 if (StrStr(message, "name") ||
7334 StrStr(message, "rating") || StrStr(message, "?") ||
7335 StrStr(message, "result") || StrStr(message, "board") ||
7336 StrStr(message, "bk") || StrStr(message, "computer") ||
7337 StrStr(message, "variant") || StrStr(message, "hint") ||
7338 StrStr(message, "random") || StrStr(message, "depth") ||
7339 StrStr(message, "accepted")) {
7342 if (StrStr(message, "protover")) {
7343 /* Program is responding to input, so it's apparently done
7344 initializing, and this error message indicates it is
7345 protocol version 1. So we don't need to wait any longer
7346 for it to initialize and send feature commands. */
7347 FeatureDone(cps, 1);
7348 cps->protocolVersion = 1;
7351 cps->maybeThinking = FALSE;
7353 if (StrStr(message, "draw")) {
7354 /* Program doesn't have "draw" command */
7355 cps->sendDrawOffers = 0;
7358 if (cps->sendTime != 1 &&
7359 (StrStr(message, "time") || StrStr(message, "otim"))) {
7360 /* Program apparently doesn't have "time" or "otim" command */
7364 if (StrStr(message, "analyze")) {
7365 cps->analysisSupport = FALSE;
7366 cps->analyzing = FALSE;
7368 sprintf(buf2, _("%s does not support analysis"), cps->tidy);
7369 DisplayError(buf2, 0);
7372 if (StrStr(message, "(no matching move)st")) {
7373 /* Special kludge for GNU Chess 4 only */
7374 cps->stKludge = TRUE;
7375 SendTimeControl(cps, movesPerSession, timeControl,
7376 timeIncrement, appData.searchDepth,
7380 if (StrStr(message, "(no matching move)sd")) {
7381 /* Special kludge for GNU Chess 4 only */
7382 cps->sdKludge = TRUE;
7383 SendTimeControl(cps, movesPerSession, timeControl,
7384 timeIncrement, appData.searchDepth,
7388 if (!StrStr(message, "llegal")) {
7391 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7392 gameMode == IcsIdle) return;
7393 if (forwardMostMove <= backwardMostMove) return;
7394 if (pausing) PauseEvent();
7395 if(appData.forceIllegal) {
7396 // [HGM] illegal: machine refused move; force position after move into it
7397 SendToProgram("force\n", cps);
7398 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
7399 // we have a real problem now, as SendBoard will use the a2a3 kludge
7400 // when black is to move, while there might be nothing on a2 or black
7401 // might already have the move. So send the board as if white has the move.
7402 // But first we must change the stm of the engine, as it refused the last move
7403 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
7404 if(WhiteOnMove(forwardMostMove)) {
7405 SendToProgram("a7a6\n", cps); // for the engine black still had the move
7406 SendBoard(cps, forwardMostMove); // kludgeless board
7408 SendToProgram("a2a3\n", cps); // for the engine white still had the move
7409 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7410 SendBoard(cps, forwardMostMove+1); // kludgeless board
7412 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
7413 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
7414 gameMode == TwoMachinesPlay)
7415 SendToProgram("go\n", cps);
7418 if (gameMode == PlayFromGameFile) {
7419 /* Stop reading this game file */
7420 gameMode = EditGame;
7423 currentMove = --forwardMostMove;
7424 DisplayMove(currentMove-1); /* before DisplayMoveError */
7426 DisplayBothClocks();
7427 sprintf(buf1, _("Illegal move \"%s\" (rejected by %s chess program)"),
7428 parseList[currentMove], cps->which);
7429 DisplayMoveError(buf1);
7430 DrawPosition(FALSE, boards[currentMove]);
7432 /* [HGM] illegal-move claim should forfeit game when Xboard */
7433 /* only passes fully legal moves */
7434 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
7435 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
7436 "False illegal-move claim", GE_XBOARD );
7440 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
7441 /* Program has a broken "time" command that
7442 outputs a string not ending in newline.
7448 * If chess program startup fails, exit with an error message.
7449 * Attempts to recover here are futile.
7451 if ((StrStr(message, "unknown host") != NULL)
7452 || (StrStr(message, "No remote directory") != NULL)
7453 || (StrStr(message, "not found") != NULL)
7454 || (StrStr(message, "No such file") != NULL)
7455 || (StrStr(message, "can't alloc") != NULL)
7456 || (StrStr(message, "Permission denied") != NULL)) {
7458 cps->maybeThinking = FALSE;
7459 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
7460 cps->which, cps->program, cps->host, message);
7461 RemoveInputSource(cps->isr);
7462 DisplayFatalError(buf1, 0, 1);
7467 * Look for hint output
7469 if (sscanf(message, "Hint: %s", buf1) == 1) {
7470 if (cps == &first && hintRequested) {
7471 hintRequested = FALSE;
7472 if (ParseOneMove(buf1, forwardMostMove, &moveType,
7473 &fromX, &fromY, &toX, &toY, &promoChar)) {
7474 (void) CoordsToAlgebraic(boards[forwardMostMove],
7475 PosFlags(forwardMostMove),
7476 fromY, fromX, toY, toX, promoChar, buf1);
7477 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
7478 DisplayInformation(buf2);
7480 /* Hint move could not be parsed!? */
7481 snprintf(buf2, sizeof(buf2),
7482 _("Illegal hint move \"%s\"\nfrom %s chess program"),
7484 DisplayError(buf2, 0);
7487 strcpy(lastHint, buf1);
7493 * Ignore other messages if game is not in progress
7495 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7496 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
7499 * look for win, lose, draw, or draw offer
7501 if (strncmp(message, "1-0", 3) == 0) {
7502 char *p, *q, *r = "";
7503 p = strchr(message, '{');
7511 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
7513 } else if (strncmp(message, "0-1", 3) == 0) {
7514 char *p, *q, *r = "";
7515 p = strchr(message, '{');
7523 /* Kludge for Arasan 4.1 bug */
7524 if (strcmp(r, "Black resigns") == 0) {
7525 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
7528 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
7530 } else if (strncmp(message, "1/2", 3) == 0) {
7531 char *p, *q, *r = "";
7532 p = strchr(message, '{');
7541 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
7544 } else if (strncmp(message, "White resign", 12) == 0) {
7545 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7547 } else if (strncmp(message, "Black resign", 12) == 0) {
7548 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7550 } else if (strncmp(message, "White matches", 13) == 0 ||
7551 strncmp(message, "Black matches", 13) == 0 ) {
7552 /* [HGM] ignore GNUShogi noises */
7554 } else if (strncmp(message, "White", 5) == 0 &&
7555 message[5] != '(' &&
7556 StrStr(message, "Black") == NULL) {
7557 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7559 } else if (strncmp(message, "Black", 5) == 0 &&
7560 message[5] != '(') {
7561 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7563 } else if (strcmp(message, "resign") == 0 ||
7564 strcmp(message, "computer resigns") == 0) {
7566 case MachinePlaysBlack:
7567 case IcsPlayingBlack:
7568 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
7570 case MachinePlaysWhite:
7571 case IcsPlayingWhite:
7572 GameEnds(BlackWins, "White resigns", GE_ENGINE);
7574 case TwoMachinesPlay:
7575 if (cps->twoMachinesColor[0] == 'w')
7576 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7578 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7585 } else if (strncmp(message, "opponent mates", 14) == 0) {
7587 case MachinePlaysBlack:
7588 case IcsPlayingBlack:
7589 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7591 case MachinePlaysWhite:
7592 case IcsPlayingWhite:
7593 GameEnds(BlackWins, "Black mates", GE_ENGINE);
7595 case TwoMachinesPlay:
7596 if (cps->twoMachinesColor[0] == 'w')
7597 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7599 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7606 } else if (strncmp(message, "computer mates", 14) == 0) {
7608 case MachinePlaysBlack:
7609 case IcsPlayingBlack:
7610 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
7612 case MachinePlaysWhite:
7613 case IcsPlayingWhite:
7614 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7616 case TwoMachinesPlay:
7617 if (cps->twoMachinesColor[0] == 'w')
7618 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7620 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7627 } else if (strncmp(message, "checkmate", 9) == 0) {
7628 if (WhiteOnMove(forwardMostMove)) {
7629 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7631 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7634 } else if (strstr(message, "Draw") != NULL ||
7635 strstr(message, "game is a draw") != NULL) {
7636 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
7638 } else if (strstr(message, "offer") != NULL &&
7639 strstr(message, "draw") != NULL) {
7641 if (appData.zippyPlay && first.initDone) {
7642 /* Relay offer to ICS */
7643 SendToICS(ics_prefix);
7644 SendToICS("draw\n");
7647 cps->offeredDraw = 2; /* valid until this engine moves twice */
7648 if (gameMode == TwoMachinesPlay) {
7649 if (cps->other->offeredDraw) {
7650 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7651 /* [HGM] in two-machine mode we delay relaying draw offer */
7652 /* until after we also have move, to see if it is really claim */
7654 } else if (gameMode == MachinePlaysWhite ||
7655 gameMode == MachinePlaysBlack) {
7656 if (userOfferedDraw) {
7657 DisplayInformation(_("Machine accepts your draw offer"));
7658 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7660 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
7667 * Look for thinking output
7669 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
7670 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7672 int plylev, mvleft, mvtot, curscore, time;
7673 char mvname[MOVE_LEN];
7677 int prefixHint = FALSE;
7678 mvname[0] = NULLCHAR;
7681 case MachinePlaysBlack:
7682 case IcsPlayingBlack:
7683 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7685 case MachinePlaysWhite:
7686 case IcsPlayingWhite:
7687 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7692 case IcsObserving: /* [DM] icsEngineAnalyze */
7693 if (!appData.icsEngineAnalyze) ignore = TRUE;
7695 case TwoMachinesPlay:
7696 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
7707 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7708 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
7710 if (plyext != ' ' && plyext != '\t') {
7714 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7715 if( cps->scoreIsAbsolute &&
7716 ( gameMode == MachinePlaysBlack ||
7717 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
7718 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
7719 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
7720 !WhiteOnMove(currentMove)
7723 curscore = -curscore;
7727 programStats.depth = plylev;
7728 programStats.nodes = nodes;
7729 programStats.time = time;
7730 programStats.score = curscore;
7731 programStats.got_only_move = 0;
7733 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
7736 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
7737 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
7738 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
7739 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
7740 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
7741 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
7742 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
7743 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
7746 /* Buffer overflow protection */
7747 if (buf1[0] != NULLCHAR) {
7748 if (strlen(buf1) >= sizeof(programStats.movelist)
7749 && appData.debugMode) {
7751 "PV is too long; using the first %u bytes.\n",
7752 (unsigned) sizeof(programStats.movelist) - 1);
7755 safeStrCpy( programStats.movelist, buf1, sizeof(programStats.movelist) );
7757 sprintf(programStats.movelist, " no PV\n");
7760 if (programStats.seen_stat) {
7761 programStats.ok_to_send = 1;
7764 if (strchr(programStats.movelist, '(') != NULL) {
7765 programStats.line_is_book = 1;
7766 programStats.nr_moves = 0;
7767 programStats.moves_left = 0;
7769 programStats.line_is_book = 0;
7772 SendProgramStatsToFrontend( cps, &programStats );
7775 [AS] Protect the thinkOutput buffer from overflow... this
7776 is only useful if buf1 hasn't overflowed first!
7778 sprintf(thinkOutput, "[%d]%c%+.2f %s%s",
7780 (gameMode == TwoMachinesPlay ?
7781 ToUpper(cps->twoMachinesColor[0]) : ' '),
7782 ((double) curscore) / 100.0,
7783 prefixHint ? lastHint : "",
7784 prefixHint ? " " : "" );
7786 if( buf1[0] != NULLCHAR ) {
7787 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
7789 if( strlen(buf1) > max_len ) {
7790 if( appData.debugMode) {
7791 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
7793 buf1[max_len+1] = '\0';
7796 strcat( thinkOutput, buf1 );
7799 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
7800 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7801 DisplayMove(currentMove - 1);
7805 } else if ((p=StrStr(message, "(only move)")) != NULL) {
7806 /* crafty (9.25+) says "(only move) <move>"
7807 * if there is only 1 legal move
7809 sscanf(p, "(only move) %s", buf1);
7810 sprintf(thinkOutput, "%s (only move)", buf1);
7811 sprintf(programStats.movelist, "%s (only move)", buf1);
7812 programStats.depth = 1;
7813 programStats.nr_moves = 1;
7814 programStats.moves_left = 1;
7815 programStats.nodes = 1;
7816 programStats.time = 1;
7817 programStats.got_only_move = 1;
7819 /* Not really, but we also use this member to
7820 mean "line isn't going to change" (Crafty
7821 isn't searching, so stats won't change) */
7822 programStats.line_is_book = 1;
7824 SendProgramStatsToFrontend( cps, &programStats );
7826 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
7827 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7828 DisplayMove(currentMove - 1);
7831 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
7832 &time, &nodes, &plylev, &mvleft,
7833 &mvtot, mvname) >= 5) {
7834 /* The stat01: line is from Crafty (9.29+) in response
7835 to the "." command */
7836 programStats.seen_stat = 1;
7837 cps->maybeThinking = TRUE;
7839 if (programStats.got_only_move || !appData.periodicUpdates)
7842 programStats.depth = plylev;
7843 programStats.time = time;
7844 programStats.nodes = nodes;
7845 programStats.moves_left = mvleft;
7846 programStats.nr_moves = mvtot;
7847 strcpy(programStats.move_name, mvname);
7848 programStats.ok_to_send = 1;
7849 programStats.movelist[0] = '\0';
7851 SendProgramStatsToFrontend( cps, &programStats );
7855 } else if (strncmp(message,"++",2) == 0) {
7856 /* Crafty 9.29+ outputs this */
7857 programStats.got_fail = 2;
7860 } else if (strncmp(message,"--",2) == 0) {
7861 /* Crafty 9.29+ outputs this */
7862 programStats.got_fail = 1;
7865 } else if (thinkOutput[0] != NULLCHAR &&
7866 strncmp(message, " ", 4) == 0) {
7867 unsigned message_len;
7870 while (*p && *p == ' ') p++;
7872 message_len = strlen( p );
7874 /* [AS] Avoid buffer overflow */
7875 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
7876 strcat(thinkOutput, " ");
7877 strcat(thinkOutput, p);
7880 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
7881 strcat(programStats.movelist, " ");
7882 strcat(programStats.movelist, p);
7885 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
7886 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7887 DisplayMove(currentMove - 1);
7895 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7896 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
7898 ChessProgramStats cpstats;
7900 if (plyext != ' ' && plyext != '\t') {
7904 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7905 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
7906 curscore = -curscore;
7909 cpstats.depth = plylev;
7910 cpstats.nodes = nodes;
7911 cpstats.time = time;
7912 cpstats.score = curscore;
7913 cpstats.got_only_move = 0;
7914 cpstats.movelist[0] = '\0';
7916 if (buf1[0] != NULLCHAR) {
7917 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist) );
7920 cpstats.ok_to_send = 0;
7921 cpstats.line_is_book = 0;
7922 cpstats.nr_moves = 0;
7923 cpstats.moves_left = 0;
7925 SendProgramStatsToFrontend( cps, &cpstats );
7932 /* Parse a game score from the character string "game", and
7933 record it as the history of the current game. The game
7934 score is NOT assumed to start from the standard position.
7935 The display is not updated in any way.
7938 ParseGameHistory(game)
7942 int fromX, fromY, toX, toY, boardIndex;
7947 if (appData.debugMode)
7948 fprintf(debugFP, "Parsing game history: %s\n", game);
7950 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
7951 gameInfo.site = StrSave(appData.icsHost);
7952 gameInfo.date = PGNDate();
7953 gameInfo.round = StrSave("-");
7955 /* Parse out names of players */
7956 while (*game == ' ') game++;
7958 while (*game != ' ') *p++ = *game++;
7960 gameInfo.white = StrSave(buf);
7961 while (*game == ' ') game++;
7963 while (*game != ' ' && *game != '\n') *p++ = *game++;
7965 gameInfo.black = StrSave(buf);
7968 boardIndex = blackPlaysFirst ? 1 : 0;
7971 yyboardindex = boardIndex;
7972 moveType = (ChessMove) yylex();
7974 case IllegalMove: /* maybe suicide chess, etc. */
7975 if (appData.debugMode) {
7976 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
7977 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
7978 setbuf(debugFP, NULL);
7980 case WhitePromotionChancellor:
7981 case BlackPromotionChancellor:
7982 case WhitePromotionArchbishop:
7983 case BlackPromotionArchbishop:
7984 case WhitePromotionQueen:
7985 case BlackPromotionQueen:
7986 case WhitePromotionRook:
7987 case BlackPromotionRook:
7988 case WhitePromotionBishop:
7989 case BlackPromotionBishop:
7990 case WhitePromotionKnight:
7991 case BlackPromotionKnight:
7992 case WhitePromotionKing:
7993 case BlackPromotionKing:
7995 case WhiteCapturesEnPassant:
7996 case BlackCapturesEnPassant:
7997 case WhiteKingSideCastle:
7998 case WhiteQueenSideCastle:
7999 case BlackKingSideCastle:
8000 case BlackQueenSideCastle:
8001 case WhiteKingSideCastleWild:
8002 case WhiteQueenSideCastleWild:
8003 case BlackKingSideCastleWild:
8004 case BlackQueenSideCastleWild:
8006 case WhiteHSideCastleFR:
8007 case WhiteASideCastleFR:
8008 case BlackHSideCastleFR:
8009 case BlackASideCastleFR:
8011 fromX = currentMoveString[0] - AAA;
8012 fromY = currentMoveString[1] - ONE;
8013 toX = currentMoveString[2] - AAA;
8014 toY = currentMoveString[3] - ONE;
8015 promoChar = currentMoveString[4];
8019 fromX = moveType == WhiteDrop ?
8020 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8021 (int) CharToPiece(ToLower(currentMoveString[0]));
8023 toX = currentMoveString[2] - AAA;
8024 toY = currentMoveString[3] - ONE;
8025 promoChar = NULLCHAR;
8029 sprintf(buf, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8030 if (appData.debugMode) {
8031 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8032 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8033 setbuf(debugFP, NULL);
8035 DisplayError(buf, 0);
8037 case ImpossibleMove:
8039 sprintf(buf, _("Illegal move in ICS output: \"%s\""), yy_text);
8040 if (appData.debugMode) {
8041 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8042 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8043 setbuf(debugFP, NULL);
8045 DisplayError(buf, 0);
8047 case (ChessMove) 0: /* end of file */
8048 if (boardIndex < backwardMostMove) {
8049 /* Oops, gap. How did that happen? */
8050 DisplayError(_("Gap in move list"), 0);
8053 backwardMostMove = blackPlaysFirst ? 1 : 0;
8054 if (boardIndex > forwardMostMove) {
8055 forwardMostMove = boardIndex;
8059 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8060 strcat(parseList[boardIndex-1], " ");
8061 strcat(parseList[boardIndex-1], yy_text);
8073 case GameUnfinished:
8074 if (gameMode == IcsExamining) {
8075 if (boardIndex < backwardMostMove) {
8076 /* Oops, gap. How did that happen? */
8079 backwardMostMove = blackPlaysFirst ? 1 : 0;
8082 gameInfo.result = moveType;
8083 p = strchr(yy_text, '{');
8084 if (p == NULL) p = strchr(yy_text, '(');
8087 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8089 q = strchr(p, *p == '{' ? '}' : ')');
8090 if (q != NULL) *q = NULLCHAR;
8093 gameInfo.resultDetails = StrSave(p);
8096 if (boardIndex >= forwardMostMove &&
8097 !(gameMode == IcsObserving && ics_gamenum == -1)) {
8098 backwardMostMove = blackPlaysFirst ? 1 : 0;
8101 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
8102 fromY, fromX, toY, toX, promoChar,
8103 parseList[boardIndex]);
8104 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
8105 /* currentMoveString is set as a side-effect of yylex */
8106 strcpy(moveList[boardIndex], currentMoveString);
8107 strcat(moveList[boardIndex], "\n");
8109 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
8110 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
8116 if(gameInfo.variant != VariantShogi)
8117 strcat(parseList[boardIndex - 1], "+");
8121 strcat(parseList[boardIndex - 1], "#");
8128 /* Apply a move to the given board */
8130 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
8131 int fromX, fromY, toX, toY;
8135 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
8136 int promoRank = gameInfo.variant == VariantMakruk ? 3 : 1;
8138 /* [HGM] compute & store e.p. status and castling rights for new position */
8139 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
8142 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
8143 oldEP = (signed char)board[EP_STATUS];
8144 board[EP_STATUS] = EP_NONE;
8146 if( board[toY][toX] != EmptySquare )
8147 board[EP_STATUS] = EP_CAPTURE;
8149 if( board[fromY][fromX] == WhitePawn ) {
8150 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8151 board[EP_STATUS] = EP_PAWN_MOVE;
8153 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
8154 gameInfo.variant != VariantBerolina || toX < fromX)
8155 board[EP_STATUS] = toX | berolina;
8156 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
8157 gameInfo.variant != VariantBerolina || toX > fromX)
8158 board[EP_STATUS] = toX;
8161 if( board[fromY][fromX] == BlackPawn ) {
8162 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8163 board[EP_STATUS] = EP_PAWN_MOVE;
8164 if( toY-fromY== -2) {
8165 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
8166 gameInfo.variant != VariantBerolina || toX < fromX)
8167 board[EP_STATUS] = toX | berolina;
8168 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
8169 gameInfo.variant != VariantBerolina || toX > fromX)
8170 board[EP_STATUS] = toX;
8174 for(i=0; i<nrCastlingRights; i++) {
8175 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
8176 board[CASTLING][i] == toX && castlingRank[i] == toY
8177 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
8182 /* [HGM] In Shatranj and Courier all promotions are to Ferz */
8183 if((gameInfo.variant==VariantShatranj || gameInfo.variant==VariantCourier || gameInfo.variant == VariantMakruk)
8184 && promoChar != 0) promoChar = PieceToChar(WhiteFerz);
8186 if (fromX == toX && fromY == toY) return;
8188 if (fromY == DROP_RANK) {
8190 piece = board[toY][toX] = (ChessSquare) fromX;
8192 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
8193 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
8194 if(gameInfo.variant == VariantKnightmate)
8195 king += (int) WhiteUnicorn - (int) WhiteKing;
8197 /* Code added by Tord: */
8198 /* FRC castling assumed when king captures friendly rook. */
8199 if (board[fromY][fromX] == WhiteKing &&
8200 board[toY][toX] == WhiteRook) {
8201 board[fromY][fromX] = EmptySquare;
8202 board[toY][toX] = EmptySquare;
8204 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
8206 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
8208 } else if (board[fromY][fromX] == BlackKing &&
8209 board[toY][toX] == BlackRook) {
8210 board[fromY][fromX] = EmptySquare;
8211 board[toY][toX] = EmptySquare;
8213 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
8215 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
8217 /* End of code added by Tord */
8219 } else if (board[fromY][fromX] == king
8220 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8221 && toY == fromY && toX > fromX+1) {
8222 board[fromY][fromX] = EmptySquare;
8223 board[toY][toX] = king;
8224 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8225 board[fromY][BOARD_RGHT-1] = EmptySquare;
8226 } else if (board[fromY][fromX] == king
8227 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8228 && toY == fromY && toX < fromX-1) {
8229 board[fromY][fromX] = EmptySquare;
8230 board[toY][toX] = king;
8231 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8232 board[fromY][BOARD_LEFT] = EmptySquare;
8233 } else if (board[fromY][fromX] == WhitePawn
8234 && toY >= BOARD_HEIGHT-promoRank
8235 && gameInfo.variant != VariantXiangqi
8237 /* white pawn promotion */
8238 board[toY][toX] = CharToPiece(ToUpper(promoChar));
8239 if (board[toY][toX] == EmptySquare) {
8240 board[toY][toX] = WhiteQueen;
8242 if(gameInfo.variant==VariantBughouse ||
8243 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8244 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8245 board[fromY][fromX] = EmptySquare;
8246 } else if ((fromY == BOARD_HEIGHT-4)
8248 && gameInfo.variant != VariantXiangqi
8249 && gameInfo.variant != VariantBerolina
8250 && (board[fromY][fromX] == WhitePawn)
8251 && (board[toY][toX] == EmptySquare)) {
8252 board[fromY][fromX] = EmptySquare;
8253 board[toY][toX] = WhitePawn;
8254 captured = board[toY - 1][toX];
8255 board[toY - 1][toX] = EmptySquare;
8256 } else if ((fromY == BOARD_HEIGHT-4)
8258 && gameInfo.variant == VariantBerolina
8259 && (board[fromY][fromX] == WhitePawn)
8260 && (board[toY][toX] == EmptySquare)) {
8261 board[fromY][fromX] = EmptySquare;
8262 board[toY][toX] = WhitePawn;
8263 if(oldEP & EP_BEROLIN_A) {
8264 captured = board[fromY][fromX-1];
8265 board[fromY][fromX-1] = EmptySquare;
8266 }else{ captured = board[fromY][fromX+1];
8267 board[fromY][fromX+1] = EmptySquare;
8269 } else if (board[fromY][fromX] == king
8270 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8271 && toY == fromY && toX > fromX+1) {
8272 board[fromY][fromX] = EmptySquare;
8273 board[toY][toX] = king;
8274 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8275 board[fromY][BOARD_RGHT-1] = EmptySquare;
8276 } else if (board[fromY][fromX] == king
8277 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8278 && toY == fromY && toX < fromX-1) {
8279 board[fromY][fromX] = EmptySquare;
8280 board[toY][toX] = king;
8281 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8282 board[fromY][BOARD_LEFT] = EmptySquare;
8283 } else if (fromY == 7 && fromX == 3
8284 && board[fromY][fromX] == BlackKing
8285 && toY == 7 && toX == 5) {
8286 board[fromY][fromX] = EmptySquare;
8287 board[toY][toX] = BlackKing;
8288 board[fromY][7] = EmptySquare;
8289 board[toY][4] = BlackRook;
8290 } else if (fromY == 7 && fromX == 3
8291 && board[fromY][fromX] == BlackKing
8292 && toY == 7 && toX == 1) {
8293 board[fromY][fromX] = EmptySquare;
8294 board[toY][toX] = BlackKing;
8295 board[fromY][0] = EmptySquare;
8296 board[toY][2] = BlackRook;
8297 } else if (board[fromY][fromX] == BlackPawn
8299 && gameInfo.variant != VariantXiangqi
8301 /* black pawn promotion */
8302 board[toY][toX] = CharToPiece(ToLower(promoChar));
8303 if (board[toY][toX] == EmptySquare) {
8304 board[toY][toX] = BlackQueen;
8306 if(gameInfo.variant==VariantBughouse ||
8307 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8308 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8309 board[fromY][fromX] = EmptySquare;
8310 } else if ((fromY == 3)
8312 && gameInfo.variant != VariantXiangqi
8313 && gameInfo.variant != VariantBerolina
8314 && (board[fromY][fromX] == BlackPawn)
8315 && (board[toY][toX] == EmptySquare)) {
8316 board[fromY][fromX] = EmptySquare;
8317 board[toY][toX] = BlackPawn;
8318 captured = board[toY + 1][toX];
8319 board[toY + 1][toX] = EmptySquare;
8320 } else if ((fromY == 3)
8322 && gameInfo.variant == VariantBerolina
8323 && (board[fromY][fromX] == BlackPawn)
8324 && (board[toY][toX] == EmptySquare)) {
8325 board[fromY][fromX] = EmptySquare;
8326 board[toY][toX] = BlackPawn;
8327 if(oldEP & EP_BEROLIN_A) {
8328 captured = board[fromY][fromX-1];
8329 board[fromY][fromX-1] = EmptySquare;
8330 }else{ captured = board[fromY][fromX+1];
8331 board[fromY][fromX+1] = EmptySquare;
8334 board[toY][toX] = board[fromY][fromX];
8335 board[fromY][fromX] = EmptySquare;
8338 /* [HGM] now we promote for Shogi, if needed */
8339 if(gameInfo.variant == VariantShogi && promoChar == 'q')
8340 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8343 if (gameInfo.holdingsWidth != 0) {
8345 /* !!A lot more code needs to be written to support holdings */
8346 /* [HGM] OK, so I have written it. Holdings are stored in the */
8347 /* penultimate board files, so they are automaticlly stored */
8348 /* in the game history. */
8349 if (fromY == DROP_RANK) {
8350 /* Delete from holdings, by decreasing count */
8351 /* and erasing image if necessary */
8353 if(p < (int) BlackPawn) { /* white drop */
8354 p -= (int)WhitePawn;
8355 p = PieceToNumber((ChessSquare)p);
8356 if(p >= gameInfo.holdingsSize) p = 0;
8357 if(--board[p][BOARD_WIDTH-2] <= 0)
8358 board[p][BOARD_WIDTH-1] = EmptySquare;
8359 if((int)board[p][BOARD_WIDTH-2] < 0)
8360 board[p][BOARD_WIDTH-2] = 0;
8361 } else { /* black drop */
8362 p -= (int)BlackPawn;
8363 p = PieceToNumber((ChessSquare)p);
8364 if(p >= gameInfo.holdingsSize) p = 0;
8365 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
8366 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
8367 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
8368 board[BOARD_HEIGHT-1-p][1] = 0;
8371 if (captured != EmptySquare && gameInfo.holdingsSize > 0
8372 && gameInfo.variant != VariantBughouse ) {
8373 /* [HGM] holdings: Add to holdings, if holdings exist */
8374 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
8375 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
8376 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
8379 if (p >= (int) BlackPawn) {
8380 p -= (int)BlackPawn;
8381 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8382 /* in Shogi restore piece to its original first */
8383 captured = (ChessSquare) (DEMOTED captured);
8386 p = PieceToNumber((ChessSquare)p);
8387 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
8388 board[p][BOARD_WIDTH-2]++;
8389 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
8391 p -= (int)WhitePawn;
8392 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8393 captured = (ChessSquare) (DEMOTED captured);
8396 p = PieceToNumber((ChessSquare)p);
8397 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
8398 board[BOARD_HEIGHT-1-p][1]++;
8399 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
8402 } else if (gameInfo.variant == VariantAtomic) {
8403 if (captured != EmptySquare) {
8405 for (y = toY-1; y <= toY+1; y++) {
8406 for (x = toX-1; x <= toX+1; x++) {
8407 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
8408 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
8409 board[y][x] = EmptySquare;
8413 board[toY][toX] = EmptySquare;
8416 if(gameInfo.variant == VariantShogi && promoChar != NULLCHAR && promoChar != '=') {
8417 /* [HGM] Shogi promotions */
8418 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8421 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8422 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
8423 // [HGM] superchess: take promotion piece out of holdings
8424 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
8425 if((int)piece < (int)BlackPawn) { // determine stm from piece color
8426 if(!--board[k][BOARD_WIDTH-2])
8427 board[k][BOARD_WIDTH-1] = EmptySquare;
8429 if(!--board[BOARD_HEIGHT-1-k][1])
8430 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
8436 /* Updates forwardMostMove */
8438 MakeMove(fromX, fromY, toX, toY, promoChar)
8439 int fromX, fromY, toX, toY;
8442 // forwardMostMove++; // [HGM] bare: moved downstream
8444 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
8445 int timeLeft; static int lastLoadFlag=0; int king, piece;
8446 piece = boards[forwardMostMove][fromY][fromX];
8447 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
8448 if(gameInfo.variant == VariantKnightmate)
8449 king += (int) WhiteUnicorn - (int) WhiteKing;
8450 if(forwardMostMove == 0) {
8452 fprintf(serverMoves, "%s;", second.tidy);
8453 fprintf(serverMoves, "%s;", first.tidy);
8454 if(!blackPlaysFirst)
8455 fprintf(serverMoves, "%s;", second.tidy);
8456 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
8457 lastLoadFlag = loadFlag;
8459 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
8460 // print castling suffix
8461 if( toY == fromY && piece == king ) {
8463 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
8465 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
8468 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
8469 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
8470 boards[forwardMostMove][toY][toX] == EmptySquare
8472 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
8474 if(promoChar != NULLCHAR)
8475 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
8477 fprintf(serverMoves, "/%d/%d",
8478 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
8479 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
8480 else timeLeft = blackTimeRemaining/1000;
8481 fprintf(serverMoves, "/%d", timeLeft);
8483 fflush(serverMoves);
8486 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
8487 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
8491 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
8492 if (commentList[forwardMostMove+1] != NULL) {
8493 free(commentList[forwardMostMove+1]);
8494 commentList[forwardMostMove+1] = NULL;
8496 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8497 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
8498 forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
8499 SwitchClocks(); // uses forwardMostMove, so must be done after incrementing it !
8500 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
8501 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
8502 gameInfo.result = GameUnfinished;
8503 if (gameInfo.resultDetails != NULL) {
8504 free(gameInfo.resultDetails);
8505 gameInfo.resultDetails = NULL;
8507 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
8508 moveList[forwardMostMove - 1]);
8509 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
8510 PosFlags(forwardMostMove - 1),
8511 fromY, fromX, toY, toX, promoChar,
8512 parseList[forwardMostMove - 1]);
8513 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8519 if(gameInfo.variant != VariantShogi)
8520 strcat(parseList[forwardMostMove - 1], "+");
8524 strcat(parseList[forwardMostMove - 1], "#");
8527 if (appData.debugMode) {
8528 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
8533 /* Updates currentMove if not pausing */
8535 ShowMove(fromX, fromY, toX, toY)
8537 int instant = (gameMode == PlayFromGameFile) ?
8538 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
8540 if(appData.noGUI) return;
8542 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile)
8546 if (forwardMostMove == currentMove + 1)
8549 // AnimateMove(boards[forwardMostMove - 1],
8550 // fromX, fromY, toX, toY);
8552 if (appData.highlightLastMove)
8554 SetHighlights(fromX, fromY, toX, toY);
8557 currentMove = forwardMostMove;
8560 if (instant) return;
8562 DisplayMove(currentMove - 1);
8563 DrawPosition(FALSE, boards[currentMove]);
8564 DisplayBothClocks();
8565 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
8570 void SendEgtPath(ChessProgramState *cps)
8571 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
8572 char buf[MSG_SIZ], name[MSG_SIZ], *p;
8574 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
8577 char c, *q = name+1, *r, *s;
8579 name[0] = ','; // extract next format name from feature and copy with prefixed ','
8580 while(*p && *p != ',') *q++ = *p++;
8582 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
8583 strcmp(name, ",nalimov:") == 0 ) {
8584 // take nalimov path from the menu-changeable option first, if it is defined
8585 sprintf(buf, "egtpath nalimov %s\n", appData.defaultPathEGTB);
8586 SendToProgram(buf,cps); // send egtbpath command for nalimov
8588 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
8589 (s = StrStr(appData.egtFormats, name)) != NULL) {
8590 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
8591 s = r = StrStr(s, ":") + 1; // beginning of path info
8592 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
8593 c = *r; *r = 0; // temporarily null-terminate path info
8594 *--q = 0; // strip of trailig ':' from name
8595 sprintf(buf, "egtpath %s %s\n", name+1, s);
8597 SendToProgram(buf,cps); // send egtbpath command for this format
8599 if(*p == ',') p++; // read away comma to position for next format name
8604 InitChessProgram(cps, setup)
8605 ChessProgramState *cps;
8606 int setup; /* [HGM] needed to setup FRC opening position */
8608 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
8609 if (appData.noChessProgram) return;
8610 hintRequested = FALSE;
8611 bookRequested = FALSE;
8613 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
8614 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
8615 if(cps->memSize) { /* [HGM] memory */
8616 sprintf(buf, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
8617 SendToProgram(buf, cps);
8619 SendEgtPath(cps); /* [HGM] EGT */
8620 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
8621 sprintf(buf, "cores %d\n", appData.smpCores);
8622 SendToProgram(buf, cps);
8625 SendToProgram(cps->initString, cps);
8626 if (gameInfo.variant != VariantNormal &&
8627 gameInfo.variant != VariantLoadable
8628 /* [HGM] also send variant if board size non-standard */
8629 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
8631 char *v = VariantName(gameInfo.variant);
8632 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
8633 /* [HGM] in protocol 1 we have to assume all variants valid */
8634 sprintf(buf, _("Variant %s not supported by %s"), v, cps->tidy);
8635 DisplayFatalError(buf, 0, 1);
8639 /* [HGM] make prefix for non-standard board size. Awkward testing... */
8640 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8641 if( gameInfo.variant == VariantXiangqi )
8642 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
8643 if( gameInfo.variant == VariantShogi )
8644 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
8645 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
8646 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
8647 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
8648 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
8649 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8650 if( gameInfo.variant == VariantCourier )
8651 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8652 if( gameInfo.variant == VariantSuper )
8653 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8654 if( gameInfo.variant == VariantGreat )
8655 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8658 sprintf(b, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
8659 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
8660 /* [HGM] varsize: try first if this defiant size variant is specifically known */
8661 if(StrStr(cps->variants, b) == NULL) {
8662 // specific sized variant not known, check if general sizing allowed
8663 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
8664 if(StrStr(cps->variants, "boardsize") == NULL) {
8665 sprintf(buf, "Board size %dx%d+%d not supported by %s",
8666 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
8667 DisplayFatalError(buf, 0, 1);
8670 /* [HGM] here we really should compare with the maximum supported board size */
8673 } else sprintf(b, "%s", VariantName(gameInfo.variant));
8674 sprintf(buf, "variant %s\n", b);
8675 SendToProgram(buf, cps);
8677 currentlyInitializedVariant = gameInfo.variant;
8679 /* [HGM] send opening position in FRC to first engine */
8681 SendToProgram("force\n", cps);
8683 /* engine is now in force mode! Set flag to wake it up after first move. */
8684 setboardSpoiledMachineBlack = 1;
8688 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
8689 SendToProgram(buf, cps);
8691 cps->maybeThinking = FALSE;
8692 cps->offeredDraw = 0;
8693 if (!appData.icsActive) {
8694 SendTimeControl(cps, movesPerSession, timeControl,
8695 timeIncrement, appData.searchDepth,
8698 if (appData.showThinking
8699 // [HGM] thinking: four options require thinking output to be sent
8700 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8702 SendToProgram("post\n", cps);
8704 SendToProgram("hard\n", cps);
8705 if (!appData.ponderNextMove) {
8706 /* Warning: "easy" is a toggle in GNU Chess, so don't send
8707 it without being sure what state we are in first. "hard"
8708 is not a toggle, so that one is OK.
8710 SendToProgram("easy\n", cps);
8713 sprintf(buf, "ping %d\n", ++cps->lastPing);
8714 SendToProgram(buf, cps);
8716 cps->initDone = TRUE;
8721 StartChessProgram(cps)
8722 ChessProgramState *cps;
8727 if (appData.noChessProgram) return;
8728 cps->initDone = FALSE;
8730 if (strcmp(cps->host, "localhost") == 0) {
8731 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
8732 } else if (*appData.remoteShell == NULLCHAR) {
8733 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
8735 if (*appData.remoteUser == NULLCHAR) {
8736 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
8739 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
8740 cps->host, appData.remoteUser, cps->program);
8742 err = StartChildProcess(buf, "", &cps->pr);
8746 sprintf(buf, _("Startup failure on '%s'"), cps->program);
8747 DisplayFatalError(buf, err, 1);
8753 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
8754 if (cps->protocolVersion > 1) {
8755 sprintf(buf, "xboard\nprotover %d\n", cps->protocolVersion);
8756 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
8757 cps->comboCnt = 0; // and values of combo boxes
8758 SendToProgram(buf, cps);
8760 SendToProgram("xboard\n", cps);
8766 TwoMachinesEventIfReady P((void))
8768 if (first.lastPing != first.lastPong) {
8769 DisplayMessage("", _("Waiting for first chess program"));
8770 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8773 if (second.lastPing != second.lastPong) {
8774 DisplayMessage("", _("Waiting for second chess program"));
8775 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8783 NextMatchGame P((void))
8785 int index; /* [HGM] autoinc: step load index during match */
8787 if (*appData.loadGameFile != NULLCHAR) {
8788 index = appData.loadGameIndex;
8789 if(index < 0) { // [HGM] autoinc
8790 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8791 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8793 LoadGameFromFile(appData.loadGameFile,
8795 appData.loadGameFile, FALSE);
8796 } else if (*appData.loadPositionFile != NULLCHAR) {
8797 index = appData.loadPositionIndex;
8798 if(index < 0) { // [HGM] autoinc
8799 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8800 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8802 LoadPositionFromFile(appData.loadPositionFile,
8804 appData.loadPositionFile);
8806 TwoMachinesEventIfReady();
8809 void UserAdjudicationEvent( int result )
8811 ChessMove gameResult = GameIsDrawn;
8814 gameResult = WhiteWins;
8816 else if( result < 0 ) {
8817 gameResult = BlackWins;
8820 if( gameMode == TwoMachinesPlay ) {
8821 GameEnds( gameResult, "User adjudication", GE_XBOARD );
8826 // [HGM] save: calculate checksum of game to make games easily identifiable
8827 int StringCheckSum(char *s)
8830 if(s==NULL) return 0;
8831 while(*s) i = i*259 + *s++;
8838 for(i=backwardMostMove; i<forwardMostMove; i++) {
8839 sum += pvInfoList[i].depth;
8840 sum += StringCheckSum(parseList[i]);
8841 sum += StringCheckSum(commentList[i]);
8844 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
8845 return sum + StringCheckSum(commentList[i]);
8846 } // end of save patch
8849 GameEnds(result, resultDetails, whosays)
8851 char *resultDetails;
8854 GameMode nextGameMode;
8858 if(endingGame) return; /* [HGM] crash: forbid recursion */
8861 if (appData.debugMode) {
8862 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
8863 result, resultDetails ? resultDetails : "(null)", whosays);
8866 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
8867 /* If we are playing on ICS, the server decides when the
8868 game is over, but the engine can offer to draw, claim
8872 if (appData.zippyPlay && first.initDone) {
8873 if (result == GameIsDrawn) {
8874 /* In case draw still needs to be claimed */
8875 SendToICS(ics_prefix);
8876 SendToICS("draw\n");
8877 } else if (StrCaseStr(resultDetails, "resign")) {
8878 SendToICS(ics_prefix);
8879 SendToICS("resign\n");
8883 endingGame = 0; /* [HGM] crash */
8887 /* If we're loading the game from a file, stop */
8888 if (whosays == GE_FILE) {
8889 (void) StopLoadGameTimer();
8893 /* Cancel draw offers */
8894 first.offeredDraw = second.offeredDraw = 0;
8896 /* If this is an ICS game, only ICS can really say it's done;
8897 if not, anyone can. */
8898 isIcsGame = (gameMode == IcsPlayingWhite ||
8899 gameMode == IcsPlayingBlack ||
8900 gameMode == IcsObserving ||
8901 gameMode == IcsExamining);
8903 if (!isIcsGame || whosays == GE_ICS) {
8904 /* OK -- not an ICS game, or ICS said it was done */
8906 if (!isIcsGame && !appData.noChessProgram)
8907 SetUserThinkingEnables();
8909 /* [HGM] if a machine claims the game end we verify this claim */
8910 if(gameMode == TwoMachinesPlay && appData.testClaims) {
8911 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
8913 ChessMove trueResult = (ChessMove) -1;
8915 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
8916 first.twoMachinesColor[0] :
8917 second.twoMachinesColor[0] ;
8919 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
8920 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
8921 /* [HGM] verify: engine mate claims accepted if they were flagged */
8922 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
8924 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
8925 /* [HGM] verify: engine mate claims accepted if they were flagged */
8926 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8928 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
8929 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
8932 // now verify win claims, but not in drop games, as we don't understand those yet
8933 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
8934 || gameInfo.variant == VariantGreat) &&
8935 (result == WhiteWins && claimer == 'w' ||
8936 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
8937 if (appData.debugMode) {
8938 fprintf(debugFP, "result=%d sp=%d move=%d\n",
8939 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
8941 if(result != trueResult) {
8942 sprintf(buf, "False win claim: '%s'", resultDetails);
8943 result = claimer == 'w' ? BlackWins : WhiteWins;
8944 resultDetails = buf;
8947 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
8948 && (forwardMostMove <= backwardMostMove ||
8949 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
8950 (claimer=='b')==(forwardMostMove&1))
8952 /* [HGM] verify: draws that were not flagged are false claims */
8953 sprintf(buf, "False draw claim: '%s'", resultDetails);
8954 result = claimer == 'w' ? BlackWins : WhiteWins;
8955 resultDetails = buf;
8957 /* (Claiming a loss is accepted no questions asked!) */
8960 /* [HGM] bare: don't allow bare King to win */
8961 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8962 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
8963 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
8964 && result != GameIsDrawn)
8965 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
8966 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
8967 int p = (signed char)boards[forwardMostMove][i][j] - color;
8968 if(p >= 0 && p <= (int)WhiteKing) k++;
8970 if (appData.debugMode) {
8971 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
8972 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
8975 result = GameIsDrawn;
8976 sprintf(buf, "%s but bare king", resultDetails);
8977 resultDetails = buf;
8982 if(serverMoves != NULL && !loadFlag) { char c = '=';
8983 if(result==WhiteWins) c = '+';
8984 if(result==BlackWins) c = '-';
8985 if(resultDetails != NULL)
8986 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
8988 if (resultDetails != NULL) {
8989 gameInfo.result = result;
8990 gameInfo.resultDetails = StrSave(resultDetails);
8992 /* display last move only if game was not loaded from file */
8993 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
8994 DisplayMove(currentMove - 1);
8996 if (forwardMostMove != 0) {
8997 if (gameMode != PlayFromGameFile && gameMode != EditGame
8998 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
9000 if (*appData.saveGameFile != NULLCHAR) {
9001 SaveGameToFile(appData.saveGameFile, TRUE);
9002 } else if (appData.autoSaveGames) {
9005 if (*appData.savePositionFile != NULLCHAR) {
9006 SavePositionToFile(appData.savePositionFile);
9011 /* Tell program how game ended in case it is learning */
9012 /* [HGM] Moved this to after saving the PGN, just in case */
9013 /* engine died and we got here through time loss. In that */
9014 /* case we will get a fatal error writing the pipe, which */
9015 /* would otherwise lose us the PGN. */
9016 /* [HGM] crash: not needed anymore, but doesn't hurt; */
9017 /* output during GameEnds should never be fatal anymore */
9018 if (gameMode == MachinePlaysWhite ||
9019 gameMode == MachinePlaysBlack ||
9020 gameMode == TwoMachinesPlay ||
9021 gameMode == IcsPlayingWhite ||
9022 gameMode == IcsPlayingBlack ||
9023 gameMode == BeginningOfGame) {
9025 sprintf(buf, "result %s {%s}\n", PGNResult(result),
9027 if (first.pr != NoProc) {
9028 SendToProgram(buf, &first);
9030 if (second.pr != NoProc &&
9031 gameMode == TwoMachinesPlay) {
9032 SendToProgram(buf, &second);
9037 if (appData.icsActive) {
9038 if (appData.quietPlay &&
9039 (gameMode == IcsPlayingWhite ||
9040 gameMode == IcsPlayingBlack)) {
9041 SendToICS(ics_prefix);
9042 SendToICS("set shout 1\n");
9044 nextGameMode = IcsIdle;
9045 ics_user_moved = FALSE;
9046 /* clean up premove. It's ugly when the game has ended and the
9047 * premove highlights are still on the board.
9051 ClearPremoveHighlights();
9052 DrawPosition(FALSE, boards[currentMove]);
9054 if (whosays == GE_ICS) {
9057 if (gameMode == IcsPlayingWhite)
9059 else if(gameMode == IcsPlayingBlack)
9063 if (gameMode == IcsPlayingBlack)
9065 else if(gameMode == IcsPlayingWhite)
9072 PlayIcsUnfinishedSound();
9075 } else if (gameMode == EditGame ||
9076 gameMode == PlayFromGameFile ||
9077 gameMode == AnalyzeMode ||
9078 gameMode == AnalyzeFile) {
9079 nextGameMode = gameMode;
9081 nextGameMode = EndOfGame;
9086 nextGameMode = gameMode;
9089 if (appData.noChessProgram) {
9090 gameMode = nextGameMode;
9092 endingGame = 0; /* [HGM] crash */
9097 /* Put first chess program into idle state */
9098 if (first.pr != NoProc &&
9099 (gameMode == MachinePlaysWhite ||
9100 gameMode == MachinePlaysBlack ||
9101 gameMode == TwoMachinesPlay ||
9102 gameMode == IcsPlayingWhite ||
9103 gameMode == IcsPlayingBlack ||
9104 gameMode == BeginningOfGame)) {
9105 SendToProgram("force\n", &first);
9106 if (first.usePing) {
9108 sprintf(buf, "ping %d\n", ++first.lastPing);
9109 SendToProgram(buf, &first);
9112 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9113 /* Kill off first chess program */
9114 if (first.isr != NULL)
9115 RemoveInputSource(first.isr);
9118 if (first.pr != NoProc) {
9120 DoSleep( appData.delayBeforeQuit );
9121 SendToProgram("quit\n", &first);
9122 DoSleep( appData.delayAfterQuit );
9123 DestroyChildProcess(first.pr, first.useSigterm);
9128 /* Put second chess program into idle state */
9129 if (second.pr != NoProc &&
9130 gameMode == TwoMachinesPlay) {
9131 SendToProgram("force\n", &second);
9132 if (second.usePing) {
9134 sprintf(buf, "ping %d\n", ++second.lastPing);
9135 SendToProgram(buf, &second);
9138 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9139 /* Kill off second chess program */
9140 if (second.isr != NULL)
9141 RemoveInputSource(second.isr);
9144 if (second.pr != NoProc) {
9145 DoSleep( appData.delayBeforeQuit );
9146 SendToProgram("quit\n", &second);
9147 DoSleep( appData.delayAfterQuit );
9148 DestroyChildProcess(second.pr, second.useSigterm);
9153 if (matchMode && gameMode == TwoMachinesPlay) {
9156 if (first.twoMachinesColor[0] == 'w') {
9163 if (first.twoMachinesColor[0] == 'b') {
9172 if (matchGame < appData.matchGames) {
9174 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
9175 tmp = first.twoMachinesColor;
9176 first.twoMachinesColor = second.twoMachinesColor;
9177 second.twoMachinesColor = tmp;
9179 gameMode = nextGameMode;
9181 if(appData.matchPause>10000 || appData.matchPause<10)
9182 appData.matchPause = 10000; /* [HGM] make pause adjustable */
9183 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
9184 endingGame = 0; /* [HGM] crash */
9188 gameMode = nextGameMode;
9189 sprintf(buf, _("Match %s vs. %s: final score %d-%d-%d"),
9190 first.tidy, second.tidy,
9191 first.matchWins, second.matchWins,
9192 appData.matchGames - (first.matchWins + second.matchWins));
9193 DisplayFatalError(buf, 0, 0);
9196 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
9197 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
9199 gameMode = nextGameMode;
9201 endingGame = 0; /* [HGM] crash */
9204 /* Assumes program was just initialized (initString sent).
9205 Leaves program in force mode. */
9207 FeedMovesToProgram(cps, upto)
9208 ChessProgramState *cps;
9213 if (appData.debugMode)
9214 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
9215 startedFromSetupPosition ? "position and " : "",
9216 backwardMostMove, upto, cps->which);
9217 if(currentlyInitializedVariant != gameInfo.variant) { char buf[MSG_SIZ];
9218 // [HGM] variantswitch: make engine aware of new variant
9219 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
9220 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
9221 sprintf(buf, "variant %s\n", VariantName(gameInfo.variant));
9222 SendToProgram(buf, cps);
9223 currentlyInitializedVariant = gameInfo.variant;
9225 SendToProgram("force\n", cps);
9226 if (startedFromSetupPosition) {
9227 SendBoard(cps, backwardMostMove);
9228 if (appData.debugMode) {
9229 fprintf(debugFP, "feedMoves\n");
9232 for (i = backwardMostMove; i < upto; i++) {
9233 SendMoveToProgram(i, cps);
9239 ResurrectChessProgram()
9241 /* The chess program may have exited.
9242 If so, restart it and feed it all the moves made so far. */
9244 if (appData.noChessProgram || first.pr != NoProc) return;
9246 StartChessProgram(&first);
9247 InitChessProgram(&first, FALSE);
9248 FeedMovesToProgram(&first, currentMove);
9250 if (!first.sendTime) {
9251 /* can't tell gnuchess what its clock should read,
9252 so we bow to its notion. */
9254 timeRemaining[0][currentMove] = whiteTimeRemaining;
9255 timeRemaining[1][currentMove] = blackTimeRemaining;
9258 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
9259 appData.icsEngineAnalyze) && first.analysisSupport) {
9260 SendToProgram("analyze\n", &first);
9261 first.analyzing = TRUE;
9274 if (appData.debugMode) {
9275 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
9276 redraw, init, gameMode);
9278 CleanupTail(); // [HGM] vari: delete any stored variations
9279 pausing = pauseExamInvalid = FALSE;
9280 startedFromSetupPosition = blackPlaysFirst = FALSE;
9282 whiteFlag = blackFlag = FALSE;
9283 userOfferedDraw = FALSE;
9284 hintRequested = bookRequested = FALSE;
9285 first.maybeThinking = FALSE;
9286 second.maybeThinking = FALSE;
9287 first.bookSuspend = FALSE; // [HGM] book
9288 second.bookSuspend = FALSE;
9289 thinkOutput[0] = NULLCHAR;
9290 lastHint[0] = NULLCHAR;
9291 ClearGameInfo(&gameInfo);
9292 gameInfo.variant = StringToVariant(appData.variant);
9293 ics_user_moved = ics_clock_paused = FALSE;
9294 ics_getting_history = H_FALSE;
9296 white_holding[0] = black_holding[0] = NULLCHAR;
9297 ClearProgramStats();
9298 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
9302 flipView = appData.flipView;
9303 ClearPremoveHighlights();
9305 alarmSounded = FALSE;
9307 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
9308 if(appData.serverMovesName != NULL) {
9309 /* [HGM] prepare to make moves file for broadcasting */
9310 clock_t t = clock();
9311 if(serverMoves != NULL) fclose(serverMoves);
9312 serverMoves = fopen(appData.serverMovesName, "r");
9313 if(serverMoves != NULL) {
9314 fclose(serverMoves);
9315 /* delay 15 sec before overwriting, so all clients can see end */
9316 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
9318 serverMoves = fopen(appData.serverMovesName, "w");
9322 gameMode = BeginningOfGame;
9325 if(appData.icsActive) gameInfo.variant = VariantNormal;
9326 currentMove = forwardMostMove = backwardMostMove = 0;
9327 InitPosition(redraw);
9328 for (i = 0; i < MAX_MOVES; i++) {
9329 if (commentList[i] != NULL) {
9330 free(commentList[i]);
9331 commentList[i] = NULL;
9336 timeRemaining[0][0] = whiteTimeRemaining;
9337 timeRemaining[1][0] = blackTimeRemaining;
9338 if (first.pr == NULL) {
9339 StartChessProgram(&first);
9342 InitChessProgram(&first, startedFromSetupPosition);
9346 DisplayMessage("", "");
9347 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9348 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
9356 if (!AutoPlayOneMove())
9358 if (matchMode || appData.timeDelay == 0)
9360 if (appData.timeDelay < 0 || gameMode == AnalyzeFile)
9362 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
9371 int fromX, fromY, toX, toY;
9373 if (appData.debugMode) {
9374 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
9377 if (gameMode != PlayFromGameFile)
9380 if (currentMove >= forwardMostMove) {
9381 gameMode = EditGame;
9384 /* [AS] Clear current move marker at the end of a game */
9385 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
9390 toX = moveList[currentMove][2] - AAA;
9391 toY = moveList[currentMove][3] - ONE;
9393 if (moveList[currentMove][1] == '@') {
9394 if (appData.highlightLastMove) {
9395 SetHighlights(-1, -1, toX, toY);
9398 fromX = moveList[currentMove][0] - AAA;
9399 fromY = moveList[currentMove][1] - ONE;
9401 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
9403 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
9405 if (appData.highlightLastMove) {
9406 SetHighlights(fromX, fromY, toX, toY);
9409 DisplayMove(currentMove);
9410 SendMoveToProgram(currentMove++, &first);
9411 DisplayBothClocks();
9412 DrawPosition(FALSE, boards[currentMove]);
9413 // [HGM] PV info: always display, routine tests if empty
9414 DisplayComment(currentMove - 1, commentList[currentMove]);
9420 LoadGameOneMove(readAhead)
9421 ChessMove readAhead;
9423 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
9424 char promoChar = NULLCHAR;
9429 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
9430 gameMode != AnalyzeMode && gameMode != Training) {
9435 yyboardindex = forwardMostMove;
9436 if (readAhead != (ChessMove)0) {
9437 moveType = readAhead;
9439 if (gameFileFP == NULL)
9441 moveType = (ChessMove) yylex();
9447 if (appData.debugMode)
9448 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9451 /* append the comment but don't display it */
9452 AppendComment(currentMove, p, FALSE);
9455 case WhiteCapturesEnPassant:
9456 case BlackCapturesEnPassant:
9457 case WhitePromotionChancellor:
9458 case BlackPromotionChancellor:
9459 case WhitePromotionArchbishop:
9460 case BlackPromotionArchbishop:
9461 case WhitePromotionCentaur:
9462 case BlackPromotionCentaur:
9463 case WhitePromotionQueen:
9464 case BlackPromotionQueen:
9465 case WhitePromotionRook:
9466 case BlackPromotionRook:
9467 case WhitePromotionBishop:
9468 case BlackPromotionBishop:
9469 case WhitePromotionKnight:
9470 case BlackPromotionKnight:
9471 case WhitePromotionKing:
9472 case BlackPromotionKing:
9474 case WhiteKingSideCastle:
9475 case WhiteQueenSideCastle:
9476 case BlackKingSideCastle:
9477 case BlackQueenSideCastle:
9478 case WhiteKingSideCastleWild:
9479 case WhiteQueenSideCastleWild:
9480 case BlackKingSideCastleWild:
9481 case BlackQueenSideCastleWild:
9483 case WhiteHSideCastleFR:
9484 case WhiteASideCastleFR:
9485 case BlackHSideCastleFR:
9486 case BlackASideCastleFR:
9488 if (appData.debugMode)
9489 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9490 fromX = currentMoveString[0] - AAA;
9491 fromY = currentMoveString[1] - ONE;
9492 toX = currentMoveString[2] - AAA;
9493 toY = currentMoveString[3] - ONE;
9494 promoChar = currentMoveString[4];
9499 if (appData.debugMode)
9500 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9501 fromX = moveType == WhiteDrop ?
9502 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9503 (int) CharToPiece(ToLower(currentMoveString[0]));
9505 toX = currentMoveString[2] - AAA;
9506 toY = currentMoveString[3] - ONE;
9512 case GameUnfinished:
9513 if (appData.debugMode)
9514 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
9515 p = strchr(yy_text, '{');
9516 if (p == NULL) p = strchr(yy_text, '(');
9519 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9521 q = strchr(p, *p == '{' ? '}' : ')');
9522 if (q != NULL) *q = NULLCHAR;
9525 GameEnds(moveType, p, GE_FILE);
9527 if (cmailMsgLoaded) {
9529 flipView = WhiteOnMove(currentMove);
9530 if (moveType == GameUnfinished) flipView = !flipView;
9531 if (appData.debugMode)
9532 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
9536 case (ChessMove) 0: /* end of file */
9537 if (appData.debugMode)
9538 fprintf(debugFP, "Parser hit end of file\n");
9539 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9545 if (WhiteOnMove(currentMove)) {
9546 GameEnds(BlackWins, "Black mates", GE_FILE);
9548 GameEnds(WhiteWins, "White mates", GE_FILE);
9552 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9559 if (lastLoadGameStart == GNUChessGame) {
9560 /* GNUChessGames have numbers, but they aren't move numbers */
9561 if (appData.debugMode)
9562 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9563 yy_text, (int) moveType);
9564 return LoadGameOneMove((ChessMove)0); /* tail recursion */
9566 /* else fall thru */
9571 /* Reached start of next game in file */
9572 if (appData.debugMode)
9573 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
9574 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9580 if (WhiteOnMove(currentMove)) {
9581 GameEnds(BlackWins, "Black mates", GE_FILE);
9583 GameEnds(WhiteWins, "White mates", GE_FILE);
9587 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9593 case PositionDiagram: /* should not happen; ignore */
9594 case ElapsedTime: /* ignore */
9595 case NAG: /* ignore */
9596 if (appData.debugMode)
9597 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9598 yy_text, (int) moveType);
9599 return LoadGameOneMove((ChessMove)0); /* tail recursion */
9602 if (appData.testLegality) {
9603 if (appData.debugMode)
9604 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
9605 sprintf(move, _("Illegal move: %d.%s%s"),
9606 (forwardMostMove / 2) + 1,
9607 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9608 DisplayError(move, 0);
9611 if (appData.debugMode)
9612 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
9613 yy_text, currentMoveString);
9614 fromX = currentMoveString[0] - AAA;
9615 fromY = currentMoveString[1] - ONE;
9616 toX = currentMoveString[2] - AAA;
9617 toY = currentMoveString[3] - ONE;
9618 promoChar = currentMoveString[4];
9623 if (appData.debugMode)
9624 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
9625 sprintf(move, _("Ambiguous move: %d.%s%s"),
9626 (forwardMostMove / 2) + 1,
9627 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9628 DisplayError(move, 0);
9633 case ImpossibleMove:
9634 if (appData.debugMode)
9635 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
9636 sprintf(move, _("Illegal move: %d.%s%s"),
9637 (forwardMostMove / 2) + 1,
9638 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9639 DisplayError(move, 0);
9645 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
9646 DrawPosition(FALSE, boards[currentMove]);
9647 DisplayBothClocks();
9648 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
9649 DisplayComment(currentMove - 1, commentList[currentMove]);
9651 (void) StopLoadGameTimer();
9653 cmailOldMove = forwardMostMove;
9656 /* currentMoveString is set as a side-effect of yylex */
9657 strcat(currentMoveString, "\n");
9658 strcpy(moveList[forwardMostMove], currentMoveString);
9660 thinkOutput[0] = NULLCHAR;
9661 MakeMove(fromX, fromY, toX, toY, promoChar);
9662 currentMove = forwardMostMove;
9667 /* Load the nth game from the given file */
9669 LoadGameFromFile(filename, n, title, useList)
9673 /*Boolean*/ int useList;
9678 if (strcmp(filename, "-") == 0) {
9682 f = fopen(filename, "rb");
9684 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9685 DisplayError(buf, errno);
9689 if (fseek(f, 0, 0) == -1) {
9690 /* f is not seekable; probably a pipe */
9693 if (useList && n == 0) {
9694 int error = GameListBuild(f);
9696 DisplayError(_("Cannot build game list"), error);
9697 } else if (!ListEmpty(&gameList) &&
9698 ((ListGame *) gameList.tailPred)->number > 1) {
9699 // TODO convert to GTK
9700 // GameListPopUp(f, title);
9707 return LoadGame(f, n, title, FALSE);
9712 MakeRegisteredMove()
9714 int fromX, fromY, toX, toY;
9716 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9717 switch (cmailMoveType[lastLoadGameNumber - 1]) {
9720 if (appData.debugMode)
9721 fprintf(debugFP, "Restoring %s for game %d\n",
9722 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
9724 thinkOutput[0] = NULLCHAR;
9725 strcpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1]);
9726 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
9727 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
9728 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
9729 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
9730 promoChar = cmailMove[lastLoadGameNumber - 1][4];
9731 MakeMove(fromX, fromY, toX, toY, promoChar);
9732 ShowMove(fromX, fromY, toX, toY);
9733 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9740 if (WhiteOnMove(currentMove)) {
9741 GameEnds(BlackWins, "Black mates", GE_PLAYER);
9743 GameEnds(WhiteWins, "White mates", GE_PLAYER);
9748 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
9755 if (WhiteOnMove(currentMove)) {
9756 GameEnds(BlackWins, "White resigns", GE_PLAYER);
9758 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
9763 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
9774 /* Wrapper around LoadGame for use when a Cmail message is loaded */
9776 CmailLoadGame(f, gameNumber, title, useList)
9784 if (gameNumber > nCmailGames) {
9785 DisplayError(_("No more games in this message"), 0);
9788 if (f == lastLoadGameFP) {
9789 int offset = gameNumber - lastLoadGameNumber;
9791 cmailMsg[0] = NULLCHAR;
9792 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9793 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
9794 nCmailMovesRegistered--;
9796 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
9797 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
9798 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
9801 if (! RegisterMove()) return FALSE;
9805 retVal = LoadGame(f, gameNumber, title, useList);
9807 /* Make move registered during previous look at this game, if any */
9808 MakeRegisteredMove();
9810 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
9811 commentList[currentMove]
9812 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
9813 DisplayComment(currentMove - 1, commentList[currentMove]);
9819 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
9824 int gameNumber = lastLoadGameNumber + offset;
9825 if (lastLoadGameFP == NULL) {
9826 DisplayError(_("No game has been loaded yet"), 0);
9829 if (gameNumber <= 0) {
9830 DisplayError(_("Can't back up any further"), 0);
9833 if (cmailMsgLoaded) {
9834 return CmailLoadGame(lastLoadGameFP, gameNumber,
9835 lastLoadGameTitle, lastLoadGameUseList);
9837 return LoadGame(lastLoadGameFP, gameNumber,
9838 lastLoadGameTitle, lastLoadGameUseList);
9844 /* Load the nth game from open file f */
9846 LoadGame(f, gameNumber, title, useList)
9854 int gn = gameNumber;
9855 ListGame *lg = NULL;
9858 GameMode oldGameMode;
9859 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
9861 if (appData.debugMode)
9862 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
9864 if (gameMode == Training )
9865 SetTrainingModeOff();
9867 oldGameMode = gameMode;
9868 if (gameMode != BeginningOfGame)
9874 if (lastLoadGameFP != NULL && lastLoadGameFP != f)
9876 fclose(lastLoadGameFP);
9881 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
9885 fseek(f, lg->offset, 0);
9886 GameListHighlight(gameNumber);
9891 DisplayError(_("Game number out of range"), 0);
9898 if (fseek(f, 0, 0) == -1)
9900 if (f == lastLoadGameFP ?
9901 gameNumber == lastLoadGameNumber + 1 :
9908 DisplayError(_("Can't seek on game file"), 0);
9915 lastLoadGameNumber = gameNumber;
9916 strcpy(lastLoadGameTitle, title);
9917 lastLoadGameUseList = useList;
9921 if (lg && lg->gameInfo.white && lg->gameInfo.black)
9923 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
9924 lg->gameInfo.black);
9927 else if (*title != NULLCHAR)
9931 sprintf(buf, "%s %d", title, gameNumber);
9936 DisplayTitle(title);
9940 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode)
9942 gameMode = PlayFromGameFile;
9946 currentMove = forwardMostMove = backwardMostMove = 0;
9947 CopyBoard(boards[0], initialPosition);
9951 * Skip the first gn-1 games in the file.
9952 * Also skip over anything that precedes an identifiable
9953 * start of game marker, to avoid being confused by
9954 * garbage at the start of the file. Currently
9955 * recognized start of game markers are the move number "1",
9956 * the pattern "gnuchess .* game", the pattern
9957 * "^[#;%] [^ ]* game file", and a PGN tag block.
9958 * A game that starts with one of the latter two patterns
9959 * will also have a move number 1, possibly
9960 * following a position diagram.
9961 * 5-4-02: Let's try being more lenient and allowing a game to
9962 * start with an unnumbered move. Does that break anything?
9964 cm = lastLoadGameStart = (ChessMove) 0;
9966 yyboardindex = forwardMostMove;
9967 cm = (ChessMove) yylex();
9970 if (cmailMsgLoaded) {
9971 nCmailGames = CMAIL_MAX_GAMES - gn;
9974 DisplayError(_("Game not found in file"), 0);
9981 lastLoadGameStart = cm;
9985 switch (lastLoadGameStart) {
9992 gn--; /* count this game */
9993 lastLoadGameStart = cm;
10002 switch (lastLoadGameStart) {
10005 case MoveNumberOne:
10006 case (ChessMove) 0:
10007 gn--; /* count this game */
10008 lastLoadGameStart = cm;
10011 lastLoadGameStart = cm; /* game counted already */
10019 yyboardindex = forwardMostMove;
10020 cm = (ChessMove) yylex();
10021 } while (cm == PGNTag || cm == Comment);
10028 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
10029 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
10030 != CMAIL_OLD_RESULT) {
10032 cmailResult[ CMAIL_MAX_GAMES
10033 - gn - 1] = CMAIL_OLD_RESULT;
10039 /* Only a NormalMove can be at the start of a game
10040 * without a position diagram. */
10041 if (lastLoadGameStart == (ChessMove) 0) {
10043 lastLoadGameStart = MoveNumberOne;
10052 if (appData.debugMode)
10053 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
10055 if (cm == XBoardGame) {
10056 /* Skip any header junk before position diagram and/or move 1 */
10058 yyboardindex = forwardMostMove;
10059 cm = (ChessMove) yylex();
10061 if (cm == (ChessMove) 0 ||
10062 cm == GNUChessGame || cm == XBoardGame) {
10063 /* Empty game; pretend end-of-file and handle later */
10064 cm = (ChessMove) 0;
10068 if (cm == MoveNumberOne || cm == PositionDiagram ||
10069 cm == PGNTag || cm == Comment)
10072 } else if (cm == GNUChessGame) {
10073 if (gameInfo.event != NULL) {
10074 free(gameInfo.event);
10076 gameInfo.event = StrSave(yy_text);
10079 startedFromSetupPosition = FALSE;
10080 while (cm == PGNTag) {
10081 if (appData.debugMode)
10082 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
10083 err = ParsePGNTag(yy_text, &gameInfo);
10084 if (!err) numPGNTags++;
10086 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
10087 if(gameInfo.variant != oldVariant) {
10088 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
10089 InitPosition(TRUE);
10090 oldVariant = gameInfo.variant;
10091 if (appData.debugMode)
10092 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
10096 if (gameInfo.fen != NULL) {
10097 Board initial_position;
10098 startedFromSetupPosition = TRUE;
10099 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
10101 DisplayError(_("Bad FEN position in file"), 0);
10104 CopyBoard(boards[0], initial_position);
10105 if (blackPlaysFirst) {
10106 currentMove = forwardMostMove = backwardMostMove = 1;
10107 CopyBoard(boards[1], initial_position);
10108 strcpy(moveList[0], "");
10109 strcpy(parseList[0], "");
10110 timeRemaining[0][1] = whiteTimeRemaining;
10111 timeRemaining[1][1] = blackTimeRemaining;
10112 if (commentList[0] != NULL) {
10113 commentList[1] = commentList[0];
10114 commentList[0] = NULL;
10117 currentMove = forwardMostMove = backwardMostMove = 0;
10119 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
10121 initialRulePlies = FENrulePlies;
10122 for( i=0; i< nrCastlingRights; i++ )
10123 initialRights[i] = initial_position[CASTLING][i];
10125 yyboardindex = forwardMostMove;
10126 free(gameInfo.fen);
10127 gameInfo.fen = NULL;
10130 yyboardindex = forwardMostMove;
10131 cm = (ChessMove) yylex();
10133 /* Handle comments interspersed among the tags */
10134 while (cm == Comment) {
10136 if (appData.debugMode)
10137 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10139 AppendComment(currentMove, p, FALSE);
10140 yyboardindex = forwardMostMove;
10141 cm = (ChessMove) yylex();
10145 /* don't rely on existence of Event tag since if game was
10146 * pasted from clipboard the Event tag may not exist
10148 if (numPGNTags > 0){
10150 if (gameInfo.variant == VariantNormal) {
10151 gameInfo.variant = StringToVariant(gameInfo.event);
10154 if( appData.autoDisplayTags ) {
10155 tags = PGNTags(&gameInfo);
10156 TagsPopUp(tags, CmailMsg());
10161 /* Make something up, but don't display it now */
10166 if (cm == PositionDiagram) {
10169 Board initial_position;
10171 if (appData.debugMode)
10172 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
10174 if (!startedFromSetupPosition) {
10176 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
10177 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
10187 initial_position[i][j++] = CharToPiece(*p);
10190 while (*p == ' ' || *p == '\t' ||
10191 *p == '\n' || *p == '\r') p++;
10193 if (strncmp(p, "black", strlen("black"))==0)
10194 blackPlaysFirst = TRUE;
10196 blackPlaysFirst = FALSE;
10197 startedFromSetupPosition = TRUE;
10199 CopyBoard(boards[0], initial_position);
10200 if (blackPlaysFirst) {
10201 currentMove = forwardMostMove = backwardMostMove = 1;
10202 CopyBoard(boards[1], initial_position);
10203 strcpy(moveList[0], "");
10204 strcpy(parseList[0], "");
10205 timeRemaining[0][1] = whiteTimeRemaining;
10206 timeRemaining[1][1] = blackTimeRemaining;
10207 if (commentList[0] != NULL) {
10208 commentList[1] = commentList[0];
10209 commentList[0] = NULL;
10212 currentMove = forwardMostMove = backwardMostMove = 0;
10215 yyboardindex = forwardMostMove;
10216 cm = (ChessMove) yylex();
10219 if (first.pr == NoProc) {
10220 StartChessProgram(&first);
10222 InitChessProgram(&first, FALSE);
10223 SendToProgram("force\n", &first);
10224 if (startedFromSetupPosition) {
10225 SendBoard(&first, forwardMostMove);
10226 if (appData.debugMode) {
10227 fprintf(debugFP, "Load Game\n");
10229 DisplayBothClocks();
10232 /* [HGM] server: flag to write setup moves in broadcast file as one */
10233 loadFlag = appData.suppressLoadMoves;
10235 while (cm == Comment) {
10237 if (appData.debugMode)
10238 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10240 AppendComment(currentMove, p, FALSE);
10241 yyboardindex = forwardMostMove;
10242 cm = (ChessMove) yylex();
10245 if ((cm == (ChessMove) 0 && lastLoadGameStart != (ChessMove) 0) ||
10246 cm == WhiteWins || cm == BlackWins ||
10247 cm == GameIsDrawn || cm == GameUnfinished) {
10248 DisplayMessage("", _("No moves in game"));
10249 if (cmailMsgLoaded) {
10250 if (appData.debugMode)
10251 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
10255 DrawPosition(FALSE, boards[currentMove]);
10256 DisplayBothClocks();
10257 gameMode = EditGame;
10264 // [HGM] PV info: routine tests if comment empty
10265 if (!matchMode && (pausing || appData.timeDelay != 0)) {
10266 DisplayComment(currentMove - 1, commentList[currentMove]);
10268 if (!matchMode && appData.timeDelay != 0)
10269 DrawPosition(FALSE, boards[currentMove]);
10271 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
10272 programStats.ok_to_send = 1;
10275 /* if the first token after the PGN tags is a move
10276 * and not move number 1, retrieve it from the parser
10278 if (cm != MoveNumberOne)
10279 LoadGameOneMove(cm);
10281 /* load the remaining moves from the file */
10282 while (LoadGameOneMove((ChessMove)0)) {
10283 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10284 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10287 /* rewind to the start of the game */
10288 currentMove = backwardMostMove;
10290 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10292 if (oldGameMode == AnalyzeFile ||
10293 oldGameMode == AnalyzeMode) {
10294 AnalyzeFileEvent();
10297 if (matchMode || appData.timeDelay == 0) {
10299 gameMode = EditGame;
10301 } else if (appData.timeDelay > 0) {
10302 AutoPlayGameLoop();
10305 if (appData.debugMode)
10306 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
10308 loadFlag = 0; /* [HGM] true game starts */
10312 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
10314 ReloadPosition(offset)
10317 int positionNumber = lastLoadPositionNumber + offset;
10318 if (lastLoadPositionFP == NULL) {
10319 DisplayError(_("No position has been loaded yet"), 0);
10322 if (positionNumber <= 0) {
10323 DisplayError(_("Can't back up any further"), 0);
10326 return LoadPosition(lastLoadPositionFP, positionNumber,
10327 lastLoadPositionTitle);
10330 /* Load the nth position from the given file */
10332 LoadPositionFromFile(filename, n, title)
10340 if (strcmp(filename, "-") == 0) {
10341 return LoadPosition(stdin, n, "stdin");
10343 f = fopen(filename, "rb");
10345 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10346 DisplayError(buf, errno);
10349 return LoadPosition(f, n, title);
10354 /* Load the nth position from the given open file, and close it */
10356 LoadPosition(f, positionNumber, title)
10358 int positionNumber;
10361 char *p, line[MSG_SIZ];
10362 Board initial_position;
10363 int i, j, fenMode, pn;
10365 if (gameMode == Training )
10366 SetTrainingModeOff();
10368 if (gameMode != BeginningOfGame) {
10369 Reset(FALSE, TRUE);
10371 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
10372 fclose(lastLoadPositionFP);
10374 if (positionNumber == 0) positionNumber = 1;
10375 lastLoadPositionFP = f;
10376 lastLoadPositionNumber = positionNumber;
10377 strcpy(lastLoadPositionTitle, title);
10378 if (first.pr == NoProc) {
10379 StartChessProgram(&first);
10380 InitChessProgram(&first, FALSE);
10382 pn = positionNumber;
10383 if (positionNumber < 0) {
10384 /* Negative position number means to seek to that byte offset */
10385 if (fseek(f, -positionNumber, 0) == -1) {
10386 DisplayError(_("Can't seek on position file"), 0);
10391 if (fseek(f, 0, 0) == -1) {
10392 if (f == lastLoadPositionFP ?
10393 positionNumber == lastLoadPositionNumber + 1 :
10394 positionNumber == 1) {
10397 DisplayError(_("Can't seek on position file"), 0);
10402 /* See if this file is FEN or old-style xboard */
10403 if (fgets(line, MSG_SIZ, f) == NULL) {
10404 DisplayError(_("Position not found in file"), 0);
10407 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
10408 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
10411 if (fenMode || line[0] == '#') pn--;
10413 /* skip positions before number pn */
10414 if (fgets(line, MSG_SIZ, f) == NULL) {
10416 DisplayError(_("Position not found in file"), 0);
10419 if (fenMode || line[0] == '#') pn--;
10424 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
10425 DisplayError(_("Bad FEN position in file"), 0);
10429 (void) fgets(line, MSG_SIZ, f);
10430 (void) fgets(line, MSG_SIZ, f);
10432 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
10433 (void) fgets(line, MSG_SIZ, f);
10434 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
10437 initial_position[i][j++] = CharToPiece(*p);
10441 blackPlaysFirst = FALSE;
10443 (void) fgets(line, MSG_SIZ, f);
10444 if (strncmp(line, "black", strlen("black"))==0)
10445 blackPlaysFirst = TRUE;
10448 startedFromSetupPosition = TRUE;
10450 SendToProgram("force\n", &first);
10451 CopyBoard(boards[0], initial_position);
10452 if (blackPlaysFirst) {
10453 currentMove = forwardMostMove = backwardMostMove = 1;
10454 strcpy(moveList[0], "");
10455 strcpy(parseList[0], "");
10456 CopyBoard(boards[1], initial_position);
10457 DisplayMessage("", _("Black to play"));
10459 currentMove = forwardMostMove = backwardMostMove = 0;
10460 DisplayMessage("", _("White to play"));
10462 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
10463 SendBoard(&first, forwardMostMove);
10464 if (appData.debugMode) {
10466 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
10467 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
10468 fprintf(debugFP, "Load Position\n");
10471 if (positionNumber > 1) {
10472 sprintf(line, "%s %d", title, positionNumber);
10473 DisplayTitle(line);
10475 DisplayTitle(title);
10477 gameMode = EditGame;
10480 timeRemaining[0][1] = whiteTimeRemaining;
10481 timeRemaining[1][1] = blackTimeRemaining;
10482 DrawPosition(FALSE, boards[currentMove]);
10489 CopyPlayerNameIntoFileName(dest, src)
10492 while (*src != NULLCHAR && *src != ',') {
10497 *(*dest)++ = *src++;
10502 char *DefaultFileName(ext)
10505 static char def[MSG_SIZ];
10508 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
10510 CopyPlayerNameIntoFileName(&p, gameInfo.white);
10512 CopyPlayerNameIntoFileName(&p, gameInfo.black);
10521 /* Save the current game to the given file */
10523 SaveGameToFile(filename, append)
10530 if (strcmp(filename, "-") == 0) {
10531 return SaveGame(stdout, 0, NULL);
10533 f = fopen(filename, append ? "a" : "w");
10535 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10536 DisplayError(buf, errno);
10539 return SaveGame(f, 0, NULL);
10548 static char buf[MSG_SIZ];
10551 p = strchr(str, ' ');
10552 if (p == NULL) return str;
10553 strncpy(buf, str, p - str);
10554 buf[p - str] = NULLCHAR;
10558 #define PGN_MAX_LINE 75
10560 #define PGN_SIDE_WHITE 0
10561 #define PGN_SIDE_BLACK 1
10564 static int FindFirstMoveOutOfBook( int side )
10568 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
10569 int index = backwardMostMove;
10570 int has_book_hit = 0;
10572 if( (index % 2) != side ) {
10576 while( index < forwardMostMove ) {
10577 /* Check to see if engine is in book */
10578 int depth = pvInfoList[index].depth;
10579 int score = pvInfoList[index].score;
10585 else if( score == 0 && depth == 63 ) {
10586 in_book = 1; /* Zappa */
10588 else if( score == 2 && depth == 99 ) {
10589 in_book = 1; /* Abrok */
10592 has_book_hit += in_book;
10608 void GetOutOfBookInfo( char * buf )
10612 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10614 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
10615 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
10619 if( oob[0] >= 0 || oob[1] >= 0 ) {
10620 for( i=0; i<2; i++ ) {
10624 if( i > 0 && oob[0] >= 0 ) {
10625 strcat( buf, " " );
10628 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
10629 sprintf( buf+strlen(buf), "%s%.2f",
10630 pvInfoList[idx].score >= 0 ? "+" : "",
10631 pvInfoList[idx].score / 100.0 );
10637 /* Save game in PGN style and close the file */
10642 int i, offset, linelen, newblock;
10646 int movelen, numlen, blank;
10647 char move_buffer[100]; /* [AS] Buffer for move+PV info */
10649 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10651 tm = time((time_t *) NULL);
10653 PrintPGNTags(f, &gameInfo);
10655 if (backwardMostMove > 0 || startedFromSetupPosition) {
10656 char *fen = PositionToFEN(backwardMostMove, NULL);
10657 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
10658 fprintf(f, "\n{--------------\n");
10659 PrintPosition(f, backwardMostMove);
10660 fprintf(f, "--------------}\n");
10664 /* [AS] Out of book annotation */
10665 if( appData.saveOutOfBookInfo ) {
10668 GetOutOfBookInfo( buf );
10670 if( buf[0] != '\0' ) {
10671 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
10678 i = backwardMostMove;
10682 while (i < forwardMostMove) {
10683 /* Print comments preceding this move */
10684 if (commentList[i] != NULL) {
10685 if (linelen > 0) fprintf(f, "\n");
10686 fprintf(f, "%s", commentList[i]);
10691 /* Format move number */
10692 if ((i % 2) == 0) {
10693 sprintf(numtext, "%d.", (i - offset)/2 + 1);
10696 sprintf(numtext, "%d...", (i - offset)/2 + 1);
10698 numtext[0] = NULLCHAR;
10701 numlen = strlen(numtext);
10704 /* Print move number */
10705 blank = linelen > 0 && numlen > 0;
10706 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
10715 fprintf(f, "%s", numtext);
10719 strcpy(move_buffer, SavePart(parseList[i])); // [HGM] pgn: print move via buffer, so it can be edited
10720 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
10723 blank = linelen > 0 && movelen > 0;
10724 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10733 fprintf(f, "%s", move_buffer);
10734 linelen += movelen;
10736 /* [AS] Add PV info if present */
10737 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
10738 /* [HGM] add time */
10739 char buf[MSG_SIZ]; int seconds;
10741 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
10743 if( seconds <= 0) buf[0] = 0; else
10744 if( seconds < 30 ) sprintf(buf, " %3.1f%c", seconds/10., 0); else {
10745 seconds = (seconds + 4)/10; // round to full seconds
10746 if( seconds < 60 ) sprintf(buf, " %d%c", seconds, 0); else
10747 sprintf(buf, " %d:%02d%c", seconds/60, seconds%60, 0);
10750 sprintf( move_buffer, "{%s%.2f/%d%s}",
10751 pvInfoList[i].score >= 0 ? "+" : "",
10752 pvInfoList[i].score / 100.0,
10753 pvInfoList[i].depth,
10756 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
10758 /* Print score/depth */
10759 blank = linelen > 0 && movelen > 0;
10760 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10769 fprintf(f, "%s", move_buffer);
10770 linelen += movelen;
10776 /* Start a new line */
10777 if (linelen > 0) fprintf(f, "\n");
10779 /* Print comments after last move */
10780 if (commentList[i] != NULL) {
10781 fprintf(f, "%s\n", commentList[i]);
10785 if (gameInfo.resultDetails != NULL &&
10786 gameInfo.resultDetails[0] != NULLCHAR) {
10787 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
10788 PGNResult(gameInfo.result));
10790 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10794 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10798 /* Save game in old style and close the file */
10800 SaveGameOldStyle(f)
10806 tm = time((time_t *) NULL);
10808 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
10811 if (backwardMostMove > 0 || startedFromSetupPosition) {
10812 fprintf(f, "\n[--------------\n");
10813 PrintPosition(f, backwardMostMove);
10814 fprintf(f, "--------------]\n");
10819 i = backwardMostMove;
10820 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10822 while (i < forwardMostMove) {
10823 if (commentList[i] != NULL) {
10824 fprintf(f, "[%s]\n", commentList[i]);
10827 if ((i % 2) == 1) {
10828 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
10831 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
10833 if (commentList[i] != NULL) {
10837 if (i >= forwardMostMove) {
10841 fprintf(f, "%s\n", parseList[i]);
10846 if (commentList[i] != NULL) {
10847 fprintf(f, "[%s]\n", commentList[i]);
10850 /* This isn't really the old style, but it's close enough */
10851 if (gameInfo.resultDetails != NULL &&
10852 gameInfo.resultDetails[0] != NULLCHAR) {
10853 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
10854 gameInfo.resultDetails);
10856 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10863 /* Save the current game to open file f and close the file */
10865 SaveGame(f, dummy, dummy2)
10870 if (gameMode == EditPosition) EditPositionDone(TRUE);
10871 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10872 if (appData.oldSaveStyle)
10873 return SaveGameOldStyle(f);
10875 return SaveGamePGN(f);
10878 /* Save the current position to the given file */
10880 SavePositionToFile(filename)
10886 if (strcmp(filename, "-") == 0) {
10887 return SavePosition(stdout, 0, NULL);
10889 f = fopen(filename, "a");
10891 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10892 DisplayError(buf, errno);
10895 SavePosition(f, 0, NULL);
10901 /* Save the current position to the given open file and close the file */
10903 SavePosition(f, dummy, dummy2)
10910 if (gameMode == EditPosition) EditPositionDone(TRUE);
10911 if (appData.oldSaveStyle) {
10912 tm = time((time_t *) NULL);
10914 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
10916 fprintf(f, "[--------------\n");
10917 PrintPosition(f, currentMove);
10918 fprintf(f, "--------------]\n");
10920 fen = PositionToFEN(currentMove, NULL);
10921 fprintf(f, "%s\n", fen);
10929 ReloadCmailMsgEvent(unregister)
10933 static char *inFilename = NULL;
10934 static char *outFilename;
10936 struct stat inbuf, outbuf;
10939 /* Any registered moves are unregistered if unregister is set, */
10940 /* i.e. invoked by the signal handler */
10942 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
10943 cmailMoveRegistered[i] = FALSE;
10944 if (cmailCommentList[i] != NULL) {
10945 free(cmailCommentList[i]);
10946 cmailCommentList[i] = NULL;
10949 nCmailMovesRegistered = 0;
10952 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
10953 cmailResult[i] = CMAIL_NOT_RESULT;
10957 if (inFilename == NULL) {
10958 /* Because the filenames are static they only get malloced once */
10959 /* and they never get freed */
10960 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
10961 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
10963 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
10964 sprintf(outFilename, "%s.out", appData.cmailGameName);
10967 status = stat(outFilename, &outbuf);
10969 cmailMailedMove = FALSE;
10971 status = stat(inFilename, &inbuf);
10972 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
10975 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
10976 counts the games, notes how each one terminated, etc.
10978 It would be nice to remove this kludge and instead gather all
10979 the information while building the game list. (And to keep it
10980 in the game list nodes instead of having a bunch of fixed-size
10981 parallel arrays.) Note this will require getting each game's
10982 termination from the PGN tags, as the game list builder does
10983 not process the game moves. --mann
10985 cmailMsgLoaded = TRUE;
10986 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
10988 /* Load first game in the file or popup game menu */
10989 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
10991 #endif /* !WIN32 */
10999 char string[MSG_SIZ];
11001 if ( cmailMailedMove
11002 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
11003 return TRUE; /* Allow free viewing */
11006 /* Unregister move to ensure that we don't leave RegisterMove */
11007 /* with the move registered when the conditions for registering no */
11009 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11010 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11011 nCmailMovesRegistered --;
11013 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
11015 free(cmailCommentList[lastLoadGameNumber - 1]);
11016 cmailCommentList[lastLoadGameNumber - 1] = NULL;
11020 if (cmailOldMove == -1) {
11021 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
11025 if (currentMove > cmailOldMove + 1) {
11026 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
11030 if (currentMove < cmailOldMove) {
11031 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
11035 if (forwardMostMove > currentMove) {
11036 /* Silently truncate extra moves */
11040 if ( (currentMove == cmailOldMove + 1)
11041 || ( (currentMove == cmailOldMove)
11042 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
11043 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
11044 if (gameInfo.result != GameUnfinished) {
11045 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
11048 if (commentList[currentMove] != NULL) {
11049 cmailCommentList[lastLoadGameNumber - 1]
11050 = StrSave(commentList[currentMove]);
11052 strcpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1]);
11054 if (appData.debugMode)
11055 fprintf(debugFP, "Saving %s for game %d\n",
11056 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11059 "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
11061 f = fopen(string, "w");
11062 if (appData.oldSaveStyle) {
11063 SaveGameOldStyle(f); /* also closes the file */
11065 sprintf(string, "%s.pos.out", appData.cmailGameName);
11066 f = fopen(string, "w");
11067 SavePosition(f, 0, NULL); /* also closes the file */
11069 fprintf(f, "{--------------\n");
11070 PrintPosition(f, currentMove);
11071 fprintf(f, "--------------}\n\n");
11073 SaveGame(f, 0, NULL); /* also closes the file*/
11076 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
11077 nCmailMovesRegistered ++;
11078 } else if (nCmailGames == 1) {
11079 DisplayError(_("You have not made a move yet"), 0);
11090 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
11091 FILE *commandOutput;
11092 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
11093 int nBytes = 0; /* Suppress warnings on uninitialized variables */
11099 if (! cmailMsgLoaded) {
11100 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
11104 if (nCmailGames == nCmailResults) {
11105 DisplayError(_("No unfinished games"), 0);
11109 #if CMAIL_PROHIBIT_REMAIL
11110 if (cmailMailedMove) {
11111 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);
11112 DisplayError(msg, 0);
11117 if (! (cmailMailedMove || RegisterMove())) return;
11119 if ( cmailMailedMove
11120 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
11121 sprintf(string, partCommandString,
11122 appData.debugMode ? " -v" : "", appData.cmailGameName);
11123 commandOutput = popen(string, "r");
11125 if (commandOutput == NULL) {
11126 DisplayError(_("Failed to invoke cmail"), 0);
11128 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
11129 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
11131 if (nBuffers > 1) {
11132 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
11133 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
11134 nBytes = MSG_SIZ - 1;
11136 (void) memcpy(msg, buffer, nBytes);
11138 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
11140 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
11141 cmailMailedMove = TRUE; /* Prevent >1 moves */
11144 for (i = 0; i < nCmailGames; i ++) {
11145 if (cmailResult[i] == CMAIL_NOT_RESULT) {
11150 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
11152 sprintf(buffer, "%s/%s.%s.archive",
11154 appData.cmailGameName,
11156 LoadGameFromFile(buffer, 1, buffer, FALSE);
11157 cmailMsgLoaded = FALSE;
11161 DisplayInformation(msg);
11162 pclose(commandOutput);
11165 if ((*cmailMsg) != '\0') {
11166 DisplayInformation(cmailMsg);
11171 #endif /* !WIN32 */
11180 int prependComma = 0;
11182 char string[MSG_SIZ]; /* Space for game-list */
11185 if (!cmailMsgLoaded) return "";
11187 if (cmailMailedMove) {
11188 sprintf(cmailMsg, _("Waiting for reply from opponent\n"));
11190 /* Create a list of games left */
11191 sprintf(string, "[");
11192 for (i = 0; i < nCmailGames; i ++) {
11193 if (! ( cmailMoveRegistered[i]
11194 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
11195 if (prependComma) {
11196 sprintf(number, ",%d", i + 1);
11198 sprintf(number, "%d", i + 1);
11202 strcat(string, number);
11205 strcat(string, "]");
11207 if (nCmailMovesRegistered + nCmailResults == 0) {
11208 switch (nCmailGames) {
11211 _("Still need to make move for game\n"));
11216 _("Still need to make moves for both games\n"));
11221 _("Still need to make moves for all %d games\n"),
11226 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
11229 _("Still need to make a move for game %s\n"),
11234 if (nCmailResults == nCmailGames) {
11235 sprintf(cmailMsg, _("No unfinished games\n"));
11237 sprintf(cmailMsg, _("Ready to send mail\n"));
11243 _("Still need to make moves for games %s\n"),
11255 if (gameMode == Training)
11256 SetTrainingModeOff();
11259 cmailMsgLoaded = FALSE;
11260 if (appData.icsActive) {
11261 SendToICS(ics_prefix);
11262 SendToICS("refresh\n");
11272 /* Give up on clean exit */
11276 /* Keep trying for clean exit */
11280 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
11282 if (telnetISR != NULL) {
11283 RemoveInputSource(telnetISR);
11285 if (icsPR != NoProc) {
11286 DestroyChildProcess(icsPR, TRUE);
11289 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
11290 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
11292 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
11293 /* make sure this other one finishes before killing it! */
11294 if(endingGame) { int count = 0;
11295 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
11296 while(endingGame && count++ < 10) DoSleep(1);
11297 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
11300 /* Kill off chess programs */
11301 if (first.pr != NoProc) {
11304 DoSleep( appData.delayBeforeQuit );
11305 SendToProgram("quit\n", &first);
11306 DoSleep( appData.delayAfterQuit );
11307 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
11309 if (second.pr != NoProc) {
11310 DoSleep( appData.delayBeforeQuit );
11311 SendToProgram("quit\n", &second);
11312 DoSleep( appData.delayAfterQuit );
11313 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
11315 if (first.isr != NULL) {
11316 RemoveInputSource(first.isr);
11318 if (second.isr != NULL) {
11319 RemoveInputSource(second.isr);
11322 ShutDownFrontEnd();
11329 if (appData.debugMode)
11330 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
11334 if (gameMode == MachinePlaysWhite ||
11335 gameMode == MachinePlaysBlack) {
11338 DisplayBothClocks();
11340 if (gameMode == PlayFromGameFile) {
11341 if (appData.timeDelay >= 0)
11342 AutoPlayGameLoop();
11343 } else if (gameMode == IcsExamining && pauseExamInvalid) {
11344 Reset(FALSE, TRUE);
11345 SendToICS(ics_prefix);
11346 SendToICS("refresh\n");
11347 } else if (currentMove < forwardMostMove) {
11348 ForwardInner(forwardMostMove);
11350 pauseExamInvalid = FALSE;
11352 switch (gameMode) {
11356 pauseExamForwardMostMove = forwardMostMove;
11357 pauseExamInvalid = FALSE;
11360 case IcsPlayingWhite:
11361 case IcsPlayingBlack:
11365 case PlayFromGameFile:
11366 (void) StopLoadGameTimer();
11370 case BeginningOfGame:
11371 if (appData.icsActive) return;
11372 /* else fall through */
11373 case MachinePlaysWhite:
11374 case MachinePlaysBlack:
11375 case TwoMachinesPlay:
11376 if (forwardMostMove == 0)
11377 return; /* don't pause if no one has moved */
11378 if ((gameMode == MachinePlaysWhite &&
11379 !WhiteOnMove(forwardMostMove)) ||
11380 (gameMode == MachinePlaysBlack &&
11381 WhiteOnMove(forwardMostMove))) {
11394 char title[MSG_SIZ];
11396 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
11397 strcpy(title, _("Edit comment"));
11399 sprintf(title, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
11400 WhiteOnMove(currentMove - 1) ? " " : ".. ",
11401 parseList[currentMove - 1]);
11404 EditCommentPopUp(currentMove, title, commentList[currentMove]);
11411 char *tags = PGNTags(&gameInfo);
11412 EditTagsPopUp(tags);
11419 if (appData.noChessProgram || gameMode == AnalyzeMode)
11422 if (gameMode != AnalyzeFile) {
11423 if (!appData.icsEngineAnalyze) {
11425 if (gameMode != EditGame) return;
11427 ResurrectChessProgram();
11428 SendToProgram("analyze\n", &first);
11429 first.analyzing = TRUE;
11430 /*first.maybeThinking = TRUE;*/
11431 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11432 EngineOutputPopUp();
11434 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
11439 StartAnalysisClock();
11440 GetTimeMark(&lastNodeCountTime);
11447 if (appData.noChessProgram || gameMode == AnalyzeFile)
11450 if (gameMode != AnalyzeMode) {
11452 if (gameMode != EditGame) return;
11453 ResurrectChessProgram();
11454 SendToProgram("analyze\n", &first);
11455 first.analyzing = TRUE;
11456 /*first.maybeThinking = TRUE;*/
11457 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11458 EngineOutputPopUp();
11460 gameMode = AnalyzeFile;
11465 StartAnalysisClock();
11466 GetTimeMark(&lastNodeCountTime);
11471 MachineWhiteEvent()
11474 char *bookHit = NULL;
11476 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
11480 if (gameMode == PlayFromGameFile ||
11481 gameMode == TwoMachinesPlay ||
11482 gameMode == Training ||
11483 gameMode == AnalyzeMode ||
11484 gameMode == EndOfGame)
11487 if (gameMode == EditPosition)
11488 EditPositionDone(TRUE);
11490 if (!WhiteOnMove(currentMove)) {
11491 DisplayError(_("It is not White's turn"), 0);
11495 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11498 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11499 gameMode == AnalyzeFile)
11502 ResurrectChessProgram(); /* in case it isn't running */
11503 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
11504 gameMode = MachinePlaysWhite;
11507 gameMode = MachinePlaysWhite;
11511 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11513 if (first.sendName) {
11514 sprintf(buf, "name %s\n", gameInfo.black);
11515 SendToProgram(buf, &first);
11517 if (first.sendTime) {
11518 if (first.useColors) {
11519 SendToProgram("black\n", &first); /*gnu kludge*/
11521 SendTimeRemaining(&first, TRUE);
11523 if (first.useColors) {
11524 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
11526 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11527 SetMachineThinkingEnables();
11528 first.maybeThinking = TRUE;
11532 if (appData.autoFlipView && !flipView) {
11533 flipView = !flipView;
11534 DrawPosition(FALSE, NULL);
11535 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11538 if(bookHit) { // [HGM] book: simulate book reply
11539 static char bookMove[MSG_SIZ]; // a bit generous?
11541 programStats.nodes = programStats.depth = programStats.time =
11542 programStats.score = programStats.got_only_move = 0;
11543 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11545 strcpy(bookMove, "move ");
11546 strcat(bookMove, bookHit);
11547 HandleMachineMove(bookMove, &first);
11552 MachineBlackEvent()
11555 char *bookHit = NULL;
11557 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
11561 if (gameMode == PlayFromGameFile
11562 || gameMode == TwoMachinesPlay
11563 || gameMode == Training
11564 || gameMode == AnalyzeMode
11565 || gameMode == EndOfGame)
11568 if (gameMode == EditPosition)
11569 EditPositionDone(TRUE);
11571 if (WhiteOnMove(currentMove))
11573 DisplayError(_("It is not Black's turn"), 0);
11577 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11580 if (gameMode == EditGame || gameMode == AnalyzeMode
11581 || gameMode == AnalyzeFile)
11584 ResurrectChessProgram(); /* in case it isn't running */
11585 gameMode = MachinePlaysBlack;
11589 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11591 if (first.sendName)
11593 sprintf(buf, "name %s\n", gameInfo.white);
11594 SendToProgram(buf, &first);
11596 if (first.sendTime)
11598 if (first.useColors)
11600 SendToProgram("white\n", &first); /*gnu kludge*/
11602 SendTimeRemaining(&first, FALSE);
11604 if (first.useColors)
11606 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
11608 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11609 SetMachineThinkingEnables();
11610 first.maybeThinking = TRUE;
11613 if (appData.autoFlipView && flipView)
11615 flipView = !flipView;
11616 DrawPosition(FALSE, NULL);
11617 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11620 { // [HGM] book: simulate book reply
11621 static char bookMove[MSG_SIZ]; // a bit generous?
11623 programStats.nodes = programStats.depth = programStats.time
11624 = programStats.score = programStats.got_only_move = 0;
11625 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11627 strcpy(bookMove, "move ");
11628 strcat(bookMove, bookHit);
11629 HandleMachineMove(bookMove, &first);
11636 DisplayTwoMachinesTitle()
11639 if (appData.matchGames > 0) {
11640 if (first.twoMachinesColor[0] == 'w') {
11641 sprintf(buf, "%s vs. %s (%d-%d-%d)",
11642 gameInfo.white, gameInfo.black,
11643 first.matchWins, second.matchWins,
11644 matchGame - 1 - (first.matchWins + second.matchWins));
11646 sprintf(buf, "%s vs. %s (%d-%d-%d)",
11647 gameInfo.white, gameInfo.black,
11648 second.matchWins, first.matchWins,
11649 matchGame - 1 - (first.matchWins + second.matchWins));
11652 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11658 TwoMachinesEvent P((void))
11662 ChessProgramState *onmove;
11663 char *bookHit = NULL;
11665 if (appData.noChessProgram) return;
11667 switch (gameMode) {
11668 case TwoMachinesPlay:
11670 case MachinePlaysWhite:
11671 case MachinePlaysBlack:
11672 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11673 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11677 case BeginningOfGame:
11678 case PlayFromGameFile:
11681 if (gameMode != EditGame) return;
11684 EditPositionDone(TRUE);
11695 // forwardMostMove = currentMove;
11696 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
11697 ResurrectChessProgram(); /* in case first program isn't running */
11699 if (second.pr == NULL) {
11700 StartChessProgram(&second);
11701 if (second.protocolVersion == 1) {
11702 TwoMachinesEventIfReady();
11704 /* kludge: allow timeout for initial "feature" command */
11706 DisplayMessage("", _("Starting second chess program"));
11707 ScheduleDelayedEvent(TwoMachinesEventIfReady, FEATURE_TIMEOUT);
11711 DisplayMessage("", "");
11712 InitChessProgram(&second, FALSE);
11713 SendToProgram("force\n", &second);
11714 if (startedFromSetupPosition) {
11715 SendBoard(&second, backwardMostMove);
11716 if (appData.debugMode) {
11717 fprintf(debugFP, "Two Machines\n");
11720 for (i = backwardMostMove; i < forwardMostMove; i++) {
11721 SendMoveToProgram(i, &second);
11724 gameMode = TwoMachinesPlay;
11728 DisplayTwoMachinesTitle();
11730 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
11736 SendToProgram(first.computerString, &first);
11737 if (first.sendName) {
11738 sprintf(buf, "name %s\n", second.tidy);
11739 SendToProgram(buf, &first);
11741 SendToProgram(second.computerString, &second);
11742 if (second.sendName) {
11743 sprintf(buf, "name %s\n", first.tidy);
11744 SendToProgram(buf, &second);
11748 if (!first.sendTime || !second.sendTime) {
11749 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11750 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11752 if (onmove->sendTime) {
11753 if (onmove->useColors) {
11754 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
11756 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
11758 if (onmove->useColors) {
11759 SendToProgram(onmove->twoMachinesColor, onmove);
11761 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
11762 // SendToProgram("go\n", onmove);
11763 onmove->maybeThinking = TRUE;
11764 SetMachineThinkingEnables();
11768 if(bookHit) { // [HGM] book: simulate book reply
11769 static char bookMove[MSG_SIZ]; // a bit generous?
11771 programStats.nodes = programStats.depth = programStats.time =
11772 programStats.score = programStats.got_only_move = 0;
11773 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11775 strcpy(bookMove, "move ");
11776 strcat(bookMove, bookHit);
11777 savedMessage = bookMove; // args for deferred call
11778 savedState = onmove;
11779 ScheduleDelayedEvent(DeferredBookMove, 1);
11786 if (gameMode == Training) {
11787 SetTrainingModeOff();
11788 gameMode = PlayFromGameFile;
11789 DisplayMessage("", _("Training mode off"));
11791 gameMode = Training;
11792 animateTraining = appData.animate;
11794 /* make sure we are not already at the end of the game */
11795 if (currentMove < forwardMostMove) {
11796 SetTrainingModeOn();
11797 DisplayMessage("", _("Training mode on"));
11799 gameMode = PlayFromGameFile;
11800 DisplayError(_("Already at end of game"), 0);
11809 if (!appData.icsActive) return;
11810 switch (gameMode) {
11811 case IcsPlayingWhite:
11812 case IcsPlayingBlack:
11815 case BeginningOfGame:
11823 EditPositionDone(TRUE);
11836 gameMode = IcsIdle;
11847 switch (gameMode) {
11849 SetTrainingModeOff();
11851 case MachinePlaysWhite:
11852 case MachinePlaysBlack:
11853 case BeginningOfGame:
11854 SendToProgram("force\n", &first);
11855 SetUserThinkingEnables();
11857 case PlayFromGameFile:
11858 (void) StopLoadGameTimer();
11859 if (gameFileFP != NULL) {
11864 EditPositionDone(TRUE);
11869 SendToProgram("force\n", &first);
11871 case TwoMachinesPlay:
11872 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
11873 ResurrectChessProgram();
11874 SetUserThinkingEnables();
11877 ResurrectChessProgram();
11879 case IcsPlayingBlack:
11880 case IcsPlayingWhite:
11881 DisplayError(_("Warning: You are still playing a game"), 0);
11884 DisplayError(_("Warning: You are still observing a game"), 0);
11887 DisplayError(_("Warning: You are still examining a game"), 0);
11898 first.offeredDraw = second.offeredDraw = 0;
11900 if (gameMode == PlayFromGameFile) {
11901 whiteTimeRemaining = timeRemaining[0][currentMove];
11902 blackTimeRemaining = timeRemaining[1][currentMove];
11906 if (gameMode == MachinePlaysWhite ||
11907 gameMode == MachinePlaysBlack ||
11908 gameMode == TwoMachinesPlay ||
11909 gameMode == EndOfGame) {
11910 i = forwardMostMove;
11911 while (i > currentMove) {
11912 SendToProgram("undo\n", &first);
11915 whiteTimeRemaining = timeRemaining[0][currentMove];
11916 blackTimeRemaining = timeRemaining[1][currentMove];
11917 DisplayBothClocks();
11918 if (whiteFlag || blackFlag) {
11919 whiteFlag = blackFlag = 0;
11924 gameMode = EditGame;
11931 EditPositionEvent()
11933 if (gameMode == EditPosition) {
11939 if (gameMode != EditGame) return;
11941 gameMode = EditPosition;
11944 if (currentMove > 0)
11945 CopyBoard(boards[0], boards[currentMove]);
11947 blackPlaysFirst = !WhiteOnMove(currentMove);
11949 currentMove = forwardMostMove = backwardMostMove = 0;
11950 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11957 /* [DM] icsEngineAnalyze - possible call from other functions */
11958 if (appData.icsEngineAnalyze) {
11959 appData.icsEngineAnalyze = FALSE;
11961 DisplayMessage("",_("Close ICS engine analyze..."));
11963 if (first.analysisSupport && first.analyzing) {
11964 SendToProgram("exit\n", &first);
11965 first.analyzing = FALSE;
11967 thinkOutput[0] = NULLCHAR;
11971 EditPositionDone(Boolean fakeRights)
11973 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
11975 startedFromSetupPosition = TRUE;
11976 InitChessProgram(&first, FALSE);
11977 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
11978 boards[0][EP_STATUS] = EP_NONE;
11979 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
11980 if(boards[0][0][BOARD_WIDTH>>1] == king) {
11981 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
11982 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
11983 } else boards[0][CASTLING][2] = NoRights;
11984 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
11985 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
11986 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
11987 } else boards[0][CASTLING][5] = NoRights;
11989 SendToProgram("force\n", &first);
11990 if (blackPlaysFirst) {
11991 strcpy(moveList[0], "");
11992 strcpy(parseList[0], "");
11993 currentMove = forwardMostMove = backwardMostMove = 1;
11994 CopyBoard(boards[1], boards[0]);
11996 currentMove = forwardMostMove = backwardMostMove = 0;
11998 SendBoard(&first, forwardMostMove);
11999 if (appData.debugMode) {
12000 fprintf(debugFP, "EditPosDone\n");
12003 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12004 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12005 gameMode = EditGame;
12007 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12008 ClearHighlights(); /* [AS] */
12011 /* Pause for `ms' milliseconds */
12012 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12022 } while (SubtractTimeMarks(&m2, &m1) < ms);
12025 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12027 SendMultiLineToICS(buf)
12030 char temp[MSG_SIZ+1], *p;
12037 strncpy(temp, buf, len);
12042 if (*p == '\n' || *p == '\r')
12047 strcat(temp, "\n");
12049 SendToPlayer(temp, strlen(temp));
12053 SetWhiteToPlayEvent()
12055 if (gameMode == EditPosition) {
12056 blackPlaysFirst = FALSE;
12057 DisplayBothClocks(); /* works because currentMove is 0 */
12058 } else if (gameMode == IcsExamining) {
12059 SendToICS(ics_prefix);
12060 SendToICS("tomove white\n");
12065 SetBlackToPlayEvent()
12067 if (gameMode == EditPosition) {
12068 blackPlaysFirst = TRUE;
12069 currentMove = 1; /* kludge */
12070 DisplayBothClocks();
12072 } else if (gameMode == IcsExamining) {
12073 SendToICS(ics_prefix);
12074 SendToICS("tomove black\n");
12079 EditPositionMenuEvent(selection, x, y)
12080 ChessSquare selection;
12084 ChessSquare piece = boards[0][y][x];
12086 if (gameMode != EditPosition && gameMode != IcsExamining) return;
12088 switch (selection) {
12090 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
12091 SendToICS(ics_prefix);
12092 SendToICS("bsetup clear\n");
12093 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
12094 SendToICS(ics_prefix);
12095 SendToICS("clearboard\n");
12097 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
12098 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
12099 for (y = 0; y < BOARD_HEIGHT; y++) {
12100 if (gameMode == IcsExamining) {
12101 if (boards[currentMove][y][x] != EmptySquare) {
12102 sprintf(buf, "%sx@%c%c\n", ics_prefix,
12107 boards[0][y][x] = p;
12112 if (gameMode == EditPosition) {
12113 DrawPosition(FALSE, boards[0]);
12118 SetWhiteToPlayEvent();
12122 SetBlackToPlayEvent();
12126 if (gameMode == IcsExamining) {
12127 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12128 sprintf(buf, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
12131 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12132 if(x == BOARD_LEFT-2) {
12133 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
12134 boards[0][y][1] = 0;
12136 if(x == BOARD_RGHT+1) {
12137 if(y >= gameInfo.holdingsSize) break;
12138 boards[0][y][BOARD_WIDTH-2] = 0;
12141 boards[0][y][x] = EmptySquare;
12142 DrawPosition(FALSE, boards[0]);
12147 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
12148 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
12149 selection = (ChessSquare) (PROMOTED piece);
12150 } else if(piece == EmptySquare) selection = WhiteSilver;
12151 else selection = (ChessSquare)((int)piece - 1);
12155 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
12156 piece > (int)BlackMan && piece <= (int)BlackKing ) {
12157 selection = (ChessSquare) (DEMOTED piece);
12158 } else if(piece == EmptySquare) selection = BlackSilver;
12159 else selection = (ChessSquare)((int)piece + 1);
12164 if(gameInfo.variant == VariantShatranj ||
12165 gameInfo.variant == VariantXiangqi ||
12166 gameInfo.variant == VariantCourier ||
12167 gameInfo.variant == VariantMakruk )
12168 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
12173 if(gameInfo.variant == VariantXiangqi)
12174 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
12175 if(gameInfo.variant == VariantKnightmate)
12176 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
12179 if (gameMode == IcsExamining) {
12180 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12181 sprintf(buf, "%s%c@%c%c\n", ics_prefix,
12182 PieceToChar(selection), AAA + x, ONE + y);
12185 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12187 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
12188 n = PieceToNumber(selection - BlackPawn);
12189 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
12190 boards[0][BOARD_HEIGHT-1-n][0] = selection;
12191 boards[0][BOARD_HEIGHT-1-n][1]++;
12193 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
12194 n = PieceToNumber(selection);
12195 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
12196 boards[0][n][BOARD_WIDTH-1] = selection;
12197 boards[0][n][BOARD_WIDTH-2]++;
12200 boards[0][y][x] = selection;
12201 DrawPosition(TRUE, boards[0]);
12209 DropMenuEvent(selection, x, y)
12210 ChessSquare selection;
12213 ChessMove moveType;
12215 switch (gameMode) {
12216 case IcsPlayingWhite:
12217 case MachinePlaysBlack:
12218 if (!WhiteOnMove(currentMove)) {
12219 DisplayMoveError(_("It is Black's turn"));
12222 moveType = WhiteDrop;
12224 case IcsPlayingBlack:
12225 case MachinePlaysWhite:
12226 if (WhiteOnMove(currentMove)) {
12227 DisplayMoveError(_("It is White's turn"));
12230 moveType = BlackDrop;
12233 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
12239 if (moveType == BlackDrop && selection < BlackPawn) {
12240 selection = (ChessSquare) ((int) selection
12241 + (int) BlackPawn - (int) WhitePawn);
12243 if (boards[currentMove][y][x] != EmptySquare) {
12244 DisplayMoveError(_("That square is occupied"));
12248 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
12254 /* Accept a pending offer of any kind from opponent */
12256 if (appData.icsActive) {
12257 SendToICS(ics_prefix);
12258 SendToICS("accept\n");
12259 } else if (cmailMsgLoaded) {
12260 if (currentMove == cmailOldMove &&
12261 commentList[cmailOldMove] != NULL &&
12262 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12263 "Black offers a draw" : "White offers a draw")) {
12265 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12266 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12268 DisplayError(_("There is no pending offer on this move"), 0);
12269 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12272 /* Not used for offers from chess program */
12279 /* Decline a pending offer of any kind from opponent */
12281 if (appData.icsActive) {
12282 SendToICS(ics_prefix);
12283 SendToICS("decline\n");
12284 } else if (cmailMsgLoaded) {
12285 if (currentMove == cmailOldMove &&
12286 commentList[cmailOldMove] != NULL &&
12287 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12288 "Black offers a draw" : "White offers a draw")) {
12290 AppendComment(cmailOldMove, "Draw declined", TRUE);
12291 DisplayComment(cmailOldMove - 1, "Draw declined");
12294 DisplayError(_("There is no pending offer on this move"), 0);
12297 /* Not used for offers from chess program */
12304 /* Issue ICS rematch command */
12305 if (appData.icsActive) {
12306 SendToICS(ics_prefix);
12307 SendToICS("rematch\n");
12314 /* Call your opponent's flag (claim a win on time) */
12315 if (appData.icsActive) {
12316 SendToICS(ics_prefix);
12317 SendToICS("flag\n");
12319 switch (gameMode) {
12322 case MachinePlaysWhite:
12325 GameEnds(GameIsDrawn, "Both players ran out of time",
12328 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
12330 DisplayError(_("Your opponent is not out of time"), 0);
12333 case MachinePlaysBlack:
12336 GameEnds(GameIsDrawn, "Both players ran out of time",
12339 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
12341 DisplayError(_("Your opponent is not out of time"), 0);
12351 /* Offer draw or accept pending draw offer from opponent */
12353 if (appData.icsActive) {
12354 /* Note: tournament rules require draw offers to be
12355 made after you make your move but before you punch
12356 your clock. Currently ICS doesn't let you do that;
12357 instead, you immediately punch your clock after making
12358 a move, but you can offer a draw at any time. */
12360 SendToICS(ics_prefix);
12361 SendToICS("draw\n");
12362 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
12363 } else if (cmailMsgLoaded) {
12364 if (currentMove == cmailOldMove &&
12365 commentList[cmailOldMove] != NULL &&
12366 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12367 "Black offers a draw" : "White offers a draw")) {
12368 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12369 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12370 } else if (currentMove == cmailOldMove + 1) {
12371 char *offer = WhiteOnMove(cmailOldMove) ?
12372 "White offers a draw" : "Black offers a draw";
12373 AppendComment(currentMove, offer, TRUE);
12374 DisplayComment(currentMove - 1, offer);
12375 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
12377 DisplayError(_("You must make your move before offering a draw"), 0);
12378 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12380 } else if (first.offeredDraw) {
12381 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
12383 if (first.sendDrawOffers) {
12384 SendToProgram("draw\n", &first);
12385 userOfferedDraw = TRUE;
12393 /* Offer Adjourn or accept pending Adjourn offer from opponent */
12395 if (appData.icsActive) {
12396 SendToICS(ics_prefix);
12397 SendToICS("adjourn\n");
12399 /* Currently GNU Chess doesn't offer or accept Adjourns */
12407 /* Offer Abort or accept pending Abort offer from opponent */
12409 if (appData.icsActive) {
12410 SendToICS(ics_prefix);
12411 SendToICS("abort\n");
12413 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
12420 /* Resign. You can do this even if it's not your turn. */
12422 if (appData.icsActive) {
12423 SendToICS(ics_prefix);
12424 SendToICS("resign\n");
12426 switch (gameMode) {
12427 case MachinePlaysWhite:
12428 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12430 case MachinePlaysBlack:
12431 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12434 if (cmailMsgLoaded) {
12436 if (WhiteOnMove(cmailOldMove)) {
12437 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12439 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12441 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
12452 StopObservingEvent()
12454 /* Stop observing current games */
12455 SendToICS(ics_prefix);
12456 SendToICS("unobserve\n");
12460 StopExaminingEvent()
12462 /* Stop observing current game */
12463 SendToICS(ics_prefix);
12464 SendToICS("unexamine\n");
12468 ForwardInner(target)
12473 if (appData.debugMode)
12474 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
12475 target, currentMove, forwardMostMove);
12477 if (gameMode == EditPosition)
12480 if (gameMode == PlayFromGameFile && !pausing)
12483 if (gameMode == IcsExamining && pausing)
12484 limit = pauseExamForwardMostMove;
12486 limit = forwardMostMove;
12488 if (target > limit) target = limit;
12490 if (target > 0 && moveList[target - 1][0]) {
12491 int fromX, fromY, toX, toY;
12492 toX = moveList[target - 1][2] - AAA;
12493 toY = moveList[target - 1][3] - ONE;
12494 if (moveList[target - 1][1] == '@') {
12495 if (appData.highlightLastMove) {
12496 SetHighlights(-1, -1, toX, toY);
12499 fromX = moveList[target - 1][0] - AAA;
12500 fromY = moveList[target - 1][1] - ONE;
12501 if (target == currentMove + 1) {
12502 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12504 if (appData.highlightLastMove) {
12505 SetHighlights(fromX, fromY, toX, toY);
12509 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12510 gameMode == Training || gameMode == PlayFromGameFile ||
12511 gameMode == AnalyzeFile) {
12512 while (currentMove < target) {
12513 SendMoveToProgram(currentMove++, &first);
12516 currentMove = target;
12519 if (gameMode == EditGame || gameMode == EndOfGame) {
12520 whiteTimeRemaining = timeRemaining[0][currentMove];
12521 blackTimeRemaining = timeRemaining[1][currentMove];
12523 DisplayBothClocks();
12524 DisplayMove(currentMove - 1);
12525 DrawPosition(FALSE, boards[currentMove]);
12526 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12527 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
12528 DisplayComment(currentMove - 1, commentList[currentMove]);
12536 if (gameMode == IcsExamining && !pausing) {
12537 SendToICS(ics_prefix);
12538 SendToICS("forward\n");
12540 ForwardInner(currentMove + 1);
12547 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12548 /* to optimze, we temporarily turn off analysis mode while we feed
12549 * the remaining moves to the engine. Otherwise we get analysis output
12552 if (first.analysisSupport) {
12553 SendToProgram("exit\nforce\n", &first);
12554 first.analyzing = FALSE;
12558 if (gameMode == IcsExamining && !pausing) {
12559 SendToICS(ics_prefix);
12560 SendToICS("forward 999999\n");
12562 ForwardInner(forwardMostMove);
12565 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12566 /* we have fed all the moves, so reactivate analysis mode */
12567 SendToProgram("analyze\n", &first);
12568 first.analyzing = TRUE;
12569 /*first.maybeThinking = TRUE;*/
12570 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12575 BackwardInner(target)
12578 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
12580 if (appData.debugMode)
12581 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
12582 target, currentMove, forwardMostMove);
12584 if (gameMode == EditPosition) return;
12585 if (currentMove <= backwardMostMove) {
12587 DrawPosition(full_redraw, boards[currentMove]);
12590 if (gameMode == PlayFromGameFile && !pausing)
12593 if (moveList[target][0]) {
12594 int fromX, fromY, toX, toY;
12595 toX = moveList[target][2] - AAA;
12596 toY = moveList[target][3] - ONE;
12597 if (moveList[target][1] == '@') {
12598 if (appData.highlightLastMove) {
12599 SetHighlights(-1, -1, toX, toY);
12602 fromX = moveList[target][0] - AAA;
12603 fromY = moveList[target][1] - ONE;
12604 if (target == currentMove - 1) {
12605 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
12607 if (appData.highlightLastMove) {
12608 SetHighlights(fromX, fromY, toX, toY);
12612 if (gameMode == EditGame || gameMode==AnalyzeMode ||
12613 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
12614 while (currentMove > target) {
12615 SendToProgram("undo\n", &first);
12619 currentMove = target;
12622 if (gameMode == EditGame || gameMode == EndOfGame) {
12623 whiteTimeRemaining = timeRemaining[0][currentMove];
12624 blackTimeRemaining = timeRemaining[1][currentMove];
12626 DisplayBothClocks();
12627 DisplayMove(currentMove - 1);
12628 DrawPosition(full_redraw, boards[currentMove]);
12629 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12630 // [HGM] PV info: routine tests if comment empty
12631 DisplayComment(currentMove - 1, commentList[currentMove]);
12637 if (gameMode == IcsExamining && !pausing) {
12638 SendToICS(ics_prefix);
12639 SendToICS("backward\n");
12641 BackwardInner(currentMove - 1);
12648 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12649 /* to optimize, we temporarily turn off analysis mode while we undo
12650 * all the moves. Otherwise we get analysis output after each undo.
12652 if (first.analysisSupport) {
12653 SendToProgram("exit\nforce\n", &first);
12654 first.analyzing = FALSE;
12658 if (gameMode == IcsExamining && !pausing) {
12659 SendToICS(ics_prefix);
12660 SendToICS("backward 999999\n");
12662 BackwardInner(backwardMostMove);
12665 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12666 /* we have fed all the moves, so reactivate analysis mode */
12667 SendToProgram("analyze\n", &first);
12668 first.analyzing = TRUE;
12669 /*first.maybeThinking = TRUE;*/
12670 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12677 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
12678 if (to >= forwardMostMove) to = forwardMostMove;
12679 if (to <= backwardMostMove) to = backwardMostMove;
12680 if (to < currentMove) {
12690 if(PopTail(TRUE)) { // [HGM] vari: restore old game tail
12693 if (gameMode != IcsExamining) {
12694 DisplayError(_("You are not examining a game"), 0);
12698 DisplayError(_("You can't revert while pausing"), 0);
12701 SendToICS(ics_prefix);
12702 SendToICS("revert\n");
12708 switch (gameMode) {
12709 case MachinePlaysWhite:
12710 case MachinePlaysBlack:
12711 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12712 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12715 if (forwardMostMove < 2) return;
12716 currentMove = forwardMostMove = forwardMostMove - 2;
12717 whiteTimeRemaining = timeRemaining[0][currentMove];
12718 blackTimeRemaining = timeRemaining[1][currentMove];
12719 DisplayBothClocks();
12720 DisplayMove(currentMove - 1);
12721 ClearHighlights();/*!! could figure this out*/
12722 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
12723 SendToProgram("remove\n", &first);
12724 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
12727 case BeginningOfGame:
12731 case IcsPlayingWhite:
12732 case IcsPlayingBlack:
12733 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
12734 SendToICS(ics_prefix);
12735 SendToICS("takeback 2\n");
12737 SendToICS(ics_prefix);
12738 SendToICS("takeback 1\n");
12747 ChessProgramState *cps;
12749 switch (gameMode) {
12750 case MachinePlaysWhite:
12751 if (!WhiteOnMove(forwardMostMove)) {
12752 DisplayError(_("It is your turn"), 0);
12757 case MachinePlaysBlack:
12758 if (WhiteOnMove(forwardMostMove)) {
12759 DisplayError(_("It is your turn"), 0);
12764 case TwoMachinesPlay:
12765 if (WhiteOnMove(forwardMostMove) ==
12766 (first.twoMachinesColor[0] == 'w')) {
12772 case BeginningOfGame:
12776 SendToProgram("?\n", cps);
12780 TruncateGameEvent()
12783 if (gameMode != EditGame) return;
12790 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
12791 if (forwardMostMove > currentMove) {
12792 if (gameInfo.resultDetails != NULL) {
12793 free(gameInfo.resultDetails);
12794 gameInfo.resultDetails = NULL;
12795 gameInfo.result = GameUnfinished;
12797 forwardMostMove = currentMove;
12798 HistorySet(parseList, backwardMostMove, forwardMostMove,
12806 if (appData.noChessProgram) return;
12807 switch (gameMode) {
12808 case MachinePlaysWhite:
12809 if (WhiteOnMove(forwardMostMove)) {
12810 DisplayError(_("Wait until your turn"), 0);
12814 case BeginningOfGame:
12815 case MachinePlaysBlack:
12816 if (!WhiteOnMove(forwardMostMove)) {
12817 DisplayError(_("Wait until your turn"), 0);
12822 DisplayError(_("No hint available"), 0);
12825 SendToProgram("hint\n", &first);
12826 hintRequested = TRUE;
12832 if (appData.noChessProgram) return;
12833 switch (gameMode) {
12834 case MachinePlaysWhite:
12835 if (WhiteOnMove(forwardMostMove)) {
12836 DisplayError(_("Wait until your turn"), 0);
12840 case BeginningOfGame:
12841 case MachinePlaysBlack:
12842 if (!WhiteOnMove(forwardMostMove)) {
12843 DisplayError(_("Wait until your turn"), 0);
12848 EditPositionDone(TRUE);
12850 case TwoMachinesPlay:
12855 SendToProgram("bk\n", &first);
12856 bookOutput[0] = NULLCHAR;
12857 bookRequested = TRUE;
12863 char *tags = PGNTags(&gameInfo);
12864 TagsPopUp(tags, CmailMsg());
12868 /* end button procedures */
12871 PrintPosition(fp, move)
12877 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12878 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
12879 char c = PieceToChar(boards[move][i][j]);
12880 fputc(c == 'x' ? '.' : c, fp);
12881 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
12884 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
12885 fprintf(fp, "white to play\n");
12887 fprintf(fp, "black to play\n");
12894 if (gameInfo.white != NULL) {
12895 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
12901 /* Find last component of program's own name, using some heuristics */
12903 TidyProgramName(prog, host, buf)
12904 char *prog, *host, buf[MSG_SIZ];
12907 int local = (strcmp(host, "localhost") == 0);
12908 while (!local && (p = strchr(prog, ';')) != NULL) {
12910 while (*p == ' ') p++;
12913 if (*prog == '"' || *prog == '\'') {
12914 q = strchr(prog + 1, *prog);
12916 q = strchr(prog, ' ');
12918 if (q == NULL) q = prog + strlen(prog);
12920 while (p >= prog && *p != '/' && *p != '\\') p--;
12922 if(p == prog && *p == '"') p++;
12923 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
12924 memcpy(buf, p, q - p);
12925 buf[q - p] = NULLCHAR;
12933 TimeControlTagValue()
12936 if (!appData.clockMode) {
12938 } else if (movesPerSession > 0) {
12939 sprintf(buf, "%d/%ld", movesPerSession, timeControl/1000);
12940 } else if (timeIncrement == 0) {
12941 sprintf(buf, "%ld", timeControl/1000);
12943 sprintf(buf, "%ld+%ld", timeControl/1000, timeIncrement/1000);
12945 return StrSave(buf);
12951 /* This routine is used only for certain modes */
12952 VariantClass v = gameInfo.variant;
12953 ChessMove r = GameUnfinished;
12956 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
12957 r = gameInfo.result;
12958 p = gameInfo.resultDetails;
12959 gameInfo.resultDetails = NULL;
12961 ClearGameInfo(&gameInfo);
12962 gameInfo.variant = v;
12964 switch (gameMode) {
12965 case MachinePlaysWhite:
12966 gameInfo.event = StrSave( appData.pgnEventHeader );
12967 gameInfo.site = StrSave(HostName());
12968 gameInfo.date = PGNDate();
12969 gameInfo.round = StrSave("-");
12970 gameInfo.white = StrSave(first.tidy);
12971 gameInfo.black = StrSave(UserName());
12972 gameInfo.timeControl = TimeControlTagValue();
12975 case MachinePlaysBlack:
12976 gameInfo.event = StrSave( appData.pgnEventHeader );
12977 gameInfo.site = StrSave(HostName());
12978 gameInfo.date = PGNDate();
12979 gameInfo.round = StrSave("-");
12980 gameInfo.white = StrSave(UserName());
12981 gameInfo.black = StrSave(first.tidy);
12982 gameInfo.timeControl = TimeControlTagValue();
12985 case TwoMachinesPlay:
12986 gameInfo.event = StrSave( appData.pgnEventHeader );
12987 gameInfo.site = StrSave(HostName());
12988 gameInfo.date = PGNDate();
12989 if (matchGame > 0) {
12991 sprintf(buf, "%d", matchGame);
12992 gameInfo.round = StrSave(buf);
12994 gameInfo.round = StrSave("-");
12996 if (first.twoMachinesColor[0] == 'w') {
12997 gameInfo.white = StrSave(first.tidy);
12998 gameInfo.black = StrSave(second.tidy);
13000 gameInfo.white = StrSave(second.tidy);
13001 gameInfo.black = StrSave(first.tidy);
13003 gameInfo.timeControl = TimeControlTagValue();
13007 gameInfo.event = StrSave("Edited game");
13008 gameInfo.site = StrSave(HostName());
13009 gameInfo.date = PGNDate();
13010 gameInfo.round = StrSave("-");
13011 gameInfo.white = StrSave("-");
13012 gameInfo.black = StrSave("-");
13013 gameInfo.result = r;
13014 gameInfo.resultDetails = p;
13018 gameInfo.event = StrSave("Edited position");
13019 gameInfo.site = StrSave(HostName());
13020 gameInfo.date = PGNDate();
13021 gameInfo.round = StrSave("-");
13022 gameInfo.white = StrSave("-");
13023 gameInfo.black = StrSave("-");
13026 case IcsPlayingWhite:
13027 case IcsPlayingBlack:
13032 case PlayFromGameFile:
13033 gameInfo.event = StrSave("Game from non-PGN file");
13034 gameInfo.site = StrSave(HostName());
13035 gameInfo.date = PGNDate();
13036 gameInfo.round = StrSave("-");
13037 gameInfo.white = StrSave("?");
13038 gameInfo.black = StrSave("?");
13047 ReplaceComment(index, text)
13053 while (*text == '\n') text++;
13054 len = strlen(text);
13055 while (len > 0 && text[len - 1] == '\n') len--;
13057 if (commentList[index] != NULL)
13058 free(commentList[index]);
13061 commentList[index] = NULL;
13064 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
13065 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
13066 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
13067 commentList[index] = (char *) malloc(len + 2);
13068 strncpy(commentList[index], text, len);
13069 commentList[index][len] = '\n';
13070 commentList[index][len + 1] = NULLCHAR;
13072 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
13074 commentList[index] = (char *) malloc(len + 6);
13075 strcpy(commentList[index], "{\n");
13076 strncpy(commentList[index]+2, text, len);
13077 commentList[index][len+2] = NULLCHAR;
13078 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
13079 strcat(commentList[index], "\n}\n");
13093 if (ch == '\r') continue;
13095 } while (ch != '\0');
13099 AppendComment(index, text, addBraces)
13102 Boolean addBraces; // [HGM] braces: tells if we should add {}
13107 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
13108 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
13111 while (*text == '\n') text++;
13112 len = strlen(text);
13113 while (len > 0 && text[len - 1] == '\n') len--;
13115 if (len == 0) return;
13117 if (commentList[index] != NULL) {
13118 old = commentList[index];
13119 oldlen = strlen(old);
13120 while(commentList[index][oldlen-1] == '\n')
13121 commentList[index][--oldlen] = NULLCHAR;
13122 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
13123 strcpy(commentList[index], old);
13125 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
13126 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces)) {
13127 if(addBraces) addBraces = FALSE; else { text++; len--; }
13128 while (*text == '\n') { text++; len--; }
13129 commentList[index][--oldlen] = NULLCHAR;
13131 if(addBraces) strcat(commentList[index], "\n{\n");
13132 else strcat(commentList[index], "\n");
13133 strcat(commentList[index], text);
13134 if(addBraces) strcat(commentList[index], "\n}\n");
13135 else strcat(commentList[index], "\n");
13137 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
13139 strcpy(commentList[index], "{\n");
13140 else commentList[index][0] = NULLCHAR;
13141 strcat(commentList[index], text);
13142 strcat(commentList[index], "\n");
13143 if(addBraces) strcat(commentList[index], "}\n");
13147 static char * FindStr( char * text, char * sub_text )
13149 char * result = strstr( text, sub_text );
13151 if( result != NULL ) {
13152 result += strlen( sub_text );
13158 /* [AS] Try to extract PV info from PGN comment */
13159 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
13160 char *GetInfoFromComment( int index, char * text )
13164 if( text != NULL && index > 0 ) {
13167 int time = -1, sec = 0, deci;
13168 char * s_eval = FindStr( text, "[%eval " );
13169 char * s_emt = FindStr( text, "[%emt " );
13171 if( s_eval != NULL || s_emt != NULL ) {
13175 if( s_eval != NULL ) {
13176 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
13180 if( delim != ']' ) {
13185 if( s_emt != NULL ) {
13190 /* We expect something like: [+|-]nnn.nn/dd */
13193 if(*text != '{') return text; // [HGM] braces: must be normal comment
13195 sep = strchr( text, '/' );
13196 if( sep == NULL || sep < (text+4) ) {
13200 time = -1; sec = -1; deci = -1;
13201 if( sscanf( text+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
13202 sscanf( text+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
13203 sscanf( text+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
13204 sscanf( text+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
13208 if( score_lo < 0 || score_lo >= 100 ) {
13212 if(sec >= 0) time = 600*time + 10*sec; else
13213 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
13215 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
13217 /* [HGM] PV time: now locate end of PV info */
13218 while( *++sep >= '0' && *sep <= '9'); // strip depth
13220 while( *++sep >= '0' && *sep <= '9'); // strip time
13222 while( *++sep >= '0' && *sep <= '9'); // strip seconds
13224 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
13225 while(*sep == ' ') sep++;
13236 pvInfoList[index-1].depth = depth;
13237 pvInfoList[index-1].score = score;
13238 pvInfoList[index-1].time = 10*time; // centi-sec
13239 if(*sep == '}') *sep = 0; else *--sep = '{';
13245 SendToProgram(message, cps)
13247 ChessProgramState *cps;
13249 int count, outCount, error;
13252 if (cps->pr == NULL) return;
13255 if (appData.debugMode) {
13258 fprintf(debugFP, "%ld >%-6s: %s",
13259 SubtractTimeMarks(&now, &programStartTime),
13260 cps->which, message);
13263 count = strlen(message);
13264 outCount = OutputToProcess(cps->pr, message, count, &error);
13265 if (outCount < count && !exiting
13266 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
13267 sprintf(buf, _("Error writing to %s chess program"), cps->which);
13268 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13269 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13270 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13271 sprintf(buf, "%s program exits in draw position (%s)", cps->which, cps->program);
13273 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13275 gameInfo.resultDetails = StrSave(buf);
13277 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13282 ReceiveFromProgram(isr, closure, message, count, error)
13283 InputSourceRef isr;
13291 ChessProgramState *cps = (ChessProgramState *)closure;
13293 if (isr != cps->isr) return; /* Killed intentionally */
13297 _("Error: %s chess program (%s) exited unexpectedly"),
13298 cps->which, cps->program);
13299 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13300 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13301 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13302 sprintf(buf, _("%s program exits in draw position (%s)"), cps->which, cps->program);
13304 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13306 gameInfo.resultDetails = StrSave(buf);
13308 RemoveInputSource(cps->isr);
13309 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
13312 _("Error reading from %s chess program (%s)"),
13313 cps->which, cps->program);
13314 RemoveInputSource(cps->isr);
13316 /* [AS] Program is misbehaving badly... kill it */
13317 if( count == -2 ) {
13318 DestroyChildProcess( cps->pr, 9 );
13322 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13327 if ((end_str = strchr(message, '\r')) != NULL)
13328 *end_str = NULLCHAR;
13329 if ((end_str = strchr(message, '\n')) != NULL)
13330 *end_str = NULLCHAR;
13332 if (appData.debugMode) {
13333 TimeMark now; int print = 1;
13334 char *quote = ""; char c; int i;
13336 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
13337 char start = message[0];
13338 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
13339 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
13340 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
13341 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
13342 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
13343 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
13344 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
13345 sscanf(message, "pong %c", &c)!=1 && start != '#')
13346 { quote = "# "; print = (appData.engineComments == 2); }
13347 message[0] = start; // restore original message
13351 fprintf(debugFP, "%ld <%-6s: %s%s\n",
13352 SubtractTimeMarks(&now, &programStartTime), cps->which,
13358 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
13359 if (appData.icsEngineAnalyze) {
13360 if (strstr(message, "whisper") != NULL ||
13361 strstr(message, "kibitz") != NULL ||
13362 strstr(message, "tellics") != NULL) return;
13365 HandleMachineMove(message, cps);
13370 SendTimeControl(cps, mps, tc, inc, sd, st)
13371 ChessProgramState *cps;
13372 int mps, inc, sd, st;
13378 if( timeControl_2 > 0 ) {
13379 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
13380 tc = timeControl_2;
13383 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
13384 inc /= cps->timeOdds;
13385 st /= cps->timeOdds;
13387 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
13390 /* Set exact time per move, normally using st command */
13391 if (cps->stKludge) {
13392 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
13394 if (seconds == 0) {
13395 sprintf(buf, "level 1 %d\n", st/60);
13397 sprintf(buf, "level 1 %d:%02d\n", st/60, seconds);
13400 sprintf(buf, "st %d\n", st);
13403 /* Set conventional or incremental time control, using level command */
13404 if (seconds == 0) {
13405 /* Note old gnuchess bug -- minutes:seconds used to not work.
13406 Fixed in later versions, but still avoid :seconds
13407 when seconds is 0. */
13408 sprintf(buf, "level %d %ld %d\n", mps, tc/60000, inc/1000);
13410 sprintf(buf, "level %d %ld:%02d %d\n", mps, tc/60000,
13411 seconds, inc/1000);
13414 SendToProgram(buf, cps);
13416 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
13417 /* Orthogonally, limit search to given depth */
13419 if (cps->sdKludge) {
13420 sprintf(buf, "depth\n%d\n", sd);
13422 sprintf(buf, "sd %d\n", sd);
13424 SendToProgram(buf, cps);
13427 if(cps->nps > 0) { /* [HGM] nps */
13428 if(cps->supportsNPS == FALSE) cps->nps = -1; // don't use if engine explicitly says not supported!
13430 sprintf(buf, "nps %d\n", cps->nps);
13431 SendToProgram(buf, cps);
13436 ChessProgramState *WhitePlayer()
13437 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
13439 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
13440 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
13446 SendTimeRemaining(cps, machineWhite)
13447 ChessProgramState *cps;
13448 int /*boolean*/ machineWhite;
13450 char message[MSG_SIZ];
13453 /* Note: this routine must be called when the clocks are stopped
13454 or when they have *just* been set or switched; otherwise
13455 it will be off by the time since the current tick started.
13457 if (machineWhite) {
13458 time = whiteTimeRemaining / 10;
13459 otime = blackTimeRemaining / 10;
13461 time = blackTimeRemaining / 10;
13462 otime = whiteTimeRemaining / 10;
13464 /* [HGM] translate opponent's time by time-odds factor */
13465 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
13466 if (appData.debugMode) {
13467 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
13470 if (time <= 0) time = 1;
13471 if (otime <= 0) otime = 1;
13473 sprintf(message, "time %ld\n", time);
13474 SendToProgram(message, cps);
13476 sprintf(message, "otim %ld\n", otime);
13477 SendToProgram(message, cps);
13481 BoolFeature(p, name, loc, cps)
13485 ChessProgramState *cps;
13488 int len = strlen(name);
13490 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13492 sscanf(*p, "%d", &val);
13494 while (**p && **p != ' ') (*p)++;
13495 sprintf(buf, "accepted %s\n", name);
13496 SendToProgram(buf, cps);
13503 IntFeature(p, name, loc, cps)
13507 ChessProgramState *cps;
13510 int len = strlen(name);
13511 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13513 sscanf(*p, "%d", loc);
13514 while (**p && **p != ' ') (*p)++;
13515 sprintf(buf, "accepted %s\n", name);
13516 SendToProgram(buf, cps);
13523 StringFeature(p, name, loc, cps)
13527 ChessProgramState *cps;
13530 int len = strlen(name);
13531 if (strncmp((*p), name, len) == 0
13532 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
13534 sscanf(*p, "%[^\"]", loc);
13535 while (**p && **p != '\"') (*p)++;
13536 if (**p == '\"') (*p)++;
13537 sprintf(buf, "accepted %s\n", name);
13538 SendToProgram(buf, cps);
13545 ParseOption(Option *opt, ChessProgramState *cps)
13546 // [HGM] options: process the string that defines an engine option, and determine
13547 // name, type, default value, and allowed value range
13549 char *p, *q, buf[MSG_SIZ];
13550 int n, min = (-1)<<31, max = 1<<31, def;
13552 if(p = strstr(opt->name, " -spin ")) {
13553 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13554 if(max < min) max = min; // enforce consistency
13555 if(def < min) def = min;
13556 if(def > max) def = max;
13561 } else if((p = strstr(opt->name, " -slider "))) {
13562 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
13563 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13564 if(max < min) max = min; // enforce consistency
13565 if(def < min) def = min;
13566 if(def > max) def = max;
13570 opt->type = Spin; // Slider;
13571 } else if((p = strstr(opt->name, " -string "))) {
13572 opt->textValue = p+9;
13573 opt->type = TextBox;
13574 } else if((p = strstr(opt->name, " -file "))) {
13575 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13576 opt->textValue = p+7;
13577 opt->type = TextBox; // FileName;
13578 } else if((p = strstr(opt->name, " -path "))) {
13579 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13580 opt->textValue = p+7;
13581 opt->type = TextBox; // PathName;
13582 } else if(p = strstr(opt->name, " -check ")) {
13583 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
13584 opt->value = (def != 0);
13585 opt->type = CheckBox;
13586 } else if(p = strstr(opt->name, " -combo ")) {
13587 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
13588 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
13589 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
13590 opt->value = n = 0;
13591 while(q = StrStr(q, " /// ")) {
13592 n++; *q = 0; // count choices, and null-terminate each of them
13594 if(*q == '*') { // remember default, which is marked with * prefix
13598 cps->comboList[cps->comboCnt++] = q;
13600 cps->comboList[cps->comboCnt++] = NULL;
13602 opt->type = ComboBox;
13603 } else if(p = strstr(opt->name, " -button")) {
13604 opt->type = Button;
13605 } else if(p = strstr(opt->name, " -save")) {
13606 opt->type = SaveButton;
13607 } else return FALSE;
13608 *p = 0; // terminate option name
13609 // now look if the command-line options define a setting for this engine option.
13610 if(cps->optionSettings && cps->optionSettings[0])
13611 p = strstr(cps->optionSettings, opt->name); else p = NULL;
13612 if(p && (p == cps->optionSettings || p[-1] == ',')) {
13613 sprintf(buf, "option %s", p);
13614 if(p = strstr(buf, ",")) *p = 0;
13616 SendToProgram(buf, cps);
13622 FeatureDone(cps, val)
13623 ChessProgramState* cps;
13626 DelayedEventCallback cb = GetDelayedEvent();
13627 if ((cb == InitBackEnd3 && cps == &first) ||
13628 (cb == TwoMachinesEventIfReady && cps == &second)) {
13629 CancelDelayedEvent();
13630 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
13632 cps->initDone = val;
13635 /* Parse feature command from engine */
13637 ParseFeatures(args, cps)
13639 ChessProgramState *cps;
13647 while (*p == ' ') p++;
13648 if (*p == NULLCHAR) return;
13650 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
13651 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
13652 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
13653 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
13654 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
13655 if (BoolFeature(&p, "reuse", &val, cps)) {
13656 /* Engine can disable reuse, but can't enable it if user said no */
13657 if (!val) cps->reuse = FALSE;
13660 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
13661 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
13662 if (gameMode == TwoMachinesPlay) {
13663 DisplayTwoMachinesTitle();
13669 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
13670 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
13671 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
13672 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
13673 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
13674 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
13675 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
13676 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
13677 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
13678 if (IntFeature(&p, "done", &val, cps)) {
13679 FeatureDone(cps, val);
13682 /* Added by Tord: */
13683 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
13684 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
13685 /* End of additions by Tord */
13687 /* [HGM] added features: */
13688 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
13689 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
13690 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
13691 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
13692 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13693 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
13694 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
13695 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
13696 sprintf(buf, "rejected option %s\n", cps->option[--cps->nrOptions].name);
13697 SendToProgram(buf, cps);
13700 if(cps->nrOptions >= MAX_OPTIONS) {
13702 sprintf(buf, "%s engine has too many options\n", cps->which);
13703 DisplayError(buf, 0);
13707 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13708 /* End of additions by HGM */
13710 /* unknown feature: complain and skip */
13712 while (*q && *q != '=') q++;
13713 sprintf(buf, "rejected %.*s\n", (int)(q-p), p);
13714 SendToProgram(buf, cps);
13720 while (*p && *p != '\"') p++;
13721 if (*p == '\"') p++;
13723 while (*p && *p != ' ') p++;
13731 PeriodicUpdatesEvent(newState)
13734 if (newState == appData.periodicUpdates)
13737 appData.periodicUpdates=newState;
13739 /* Display type changes, so update it now */
13740 // DisplayAnalysis();
13742 /* Get the ball rolling again... */
13744 AnalysisPeriodicEvent(1);
13745 StartAnalysisClock();
13750 PonderNextMoveEvent(newState)
13753 if (newState == appData.ponderNextMove) return;
13754 if (gameMode == EditPosition) EditPositionDone(TRUE);
13756 SendToProgram("hard\n", &first);
13757 if (gameMode == TwoMachinesPlay) {
13758 SendToProgram("hard\n", &second);
13761 SendToProgram("easy\n", &first);
13762 thinkOutput[0] = NULLCHAR;
13763 if (gameMode == TwoMachinesPlay) {
13764 SendToProgram("easy\n", &second);
13767 appData.ponderNextMove = newState;
13771 NewSettingEvent(option, command, value)
13777 if (gameMode == EditPosition) EditPositionDone(TRUE);
13778 sprintf(buf, "%s%s %d\n", (option ? "option ": ""), command, value);
13779 SendToProgram(buf, &first);
13780 if (gameMode == TwoMachinesPlay) {
13781 SendToProgram(buf, &second);
13786 ShowThinkingEvent()
13787 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
13789 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
13790 int newState = appData.showThinking
13791 // [HGM] thinking: other features now need thinking output as well
13792 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
13794 if (oldState == newState) return;
13795 oldState = newState;
13796 if (gameMode == EditPosition) EditPositionDone(TRUE);
13798 SendToProgram("post\n", &first);
13799 if (gameMode == TwoMachinesPlay) {
13800 SendToProgram("post\n", &second);
13803 SendToProgram("nopost\n", &first);
13804 thinkOutput[0] = NULLCHAR;
13805 if (gameMode == TwoMachinesPlay) {
13806 SendToProgram("nopost\n", &second);
13809 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
13813 AskQuestionEvent(title, question, replyPrefix, which)
13814 char *title; char *question; char *replyPrefix; char *which;
13816 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
13817 if (pr == NoProc) return;
13818 AskQuestion(title, question, replyPrefix, pr);
13822 DisplayMove(moveNumber)
13825 char message[MSG_SIZ];
13827 char cpThinkOutput[MSG_SIZ];
13829 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
13831 if (moveNumber == forwardMostMove - 1 ||
13832 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13834 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput));
13836 if (strchr(cpThinkOutput, '\n')) {
13837 *strchr(cpThinkOutput, '\n') = NULLCHAR;
13840 *cpThinkOutput = NULLCHAR;
13843 /* [AS] Hide thinking from human user */
13844 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
13845 *cpThinkOutput = NULLCHAR;
13846 if( thinkOutput[0] != NULLCHAR ) {
13849 for( i=0; i<=hiddenThinkOutputState; i++ ) {
13850 cpThinkOutput[i] = '.';
13852 cpThinkOutput[i] = NULLCHAR;
13853 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
13857 if (moveNumber == forwardMostMove - 1 &&
13858 gameInfo.resultDetails != NULL) {
13859 if (gameInfo.resultDetails[0] == NULLCHAR) {
13860 sprintf(res, " %s", PGNResult(gameInfo.result));
13862 sprintf(res, " {%s} %s",
13863 gameInfo.resultDetails, PGNResult(gameInfo.result));
13869 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
13870 DisplayMessage(res, cpThinkOutput);
13872 sprintf(message, "%d.%s%s%s", moveNumber / 2 + 1,
13873 WhiteOnMove(moveNumber) ? " " : ".. ",
13874 parseList[moveNumber], res);
13875 DisplayMessage(message, cpThinkOutput);
13880 DisplayComment(moveNumber, text)
13884 char title[MSG_SIZ];
13885 char buf[8000]; // comment can be long!
13887 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
13888 strcpy(title, "Comment");
13890 sprintf(title, "Comment on %d.%s%s", moveNumber / 2 + 1,
13891 WhiteOnMove(moveNumber) ? " " : ".. ",
13892 parseList[moveNumber]);
13894 // [HGM] PV info: display PV info together with (or as) comment
13895 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
13896 if(text == NULL) text = "";
13897 score = pvInfoList[moveNumber].score;
13898 sprintf(buf, "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
13899 depth, (pvInfoList[moveNumber].time+50)/100, text);
13902 if (text != NULL && (appData.autoDisplayComment || commentUp))
13903 CommentPopUp(title, text);
13906 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
13907 * might be busy thinking or pondering. It can be omitted if your
13908 * gnuchess is configured to stop thinking immediately on any user
13909 * input. However, that gnuchess feature depends on the FIONREAD
13910 * ioctl, which does not work properly on some flavors of Unix.
13914 ChessProgramState *cps;
13917 if (!cps->useSigint) return;
13918 if (appData.noChessProgram || (cps->pr == NoProc)) return;
13919 switch (gameMode) {
13920 case MachinePlaysWhite:
13921 case MachinePlaysBlack:
13922 case TwoMachinesPlay:
13923 case IcsPlayingWhite:
13924 case IcsPlayingBlack:
13927 /* Skip if we know it isn't thinking */
13928 if (!cps->maybeThinking) return;
13929 if (appData.debugMode)
13930 fprintf(debugFP, "Interrupting %s\n", cps->which);
13931 InterruptChildProcess(cps->pr);
13932 cps->maybeThinking = FALSE;
13937 #endif /*ATTENTION*/
13943 if (whiteTimeRemaining <= 0) {
13946 if (appData.icsActive) {
13947 if (appData.autoCallFlag &&
13948 gameMode == IcsPlayingBlack && !blackFlag) {
13949 SendToICS(ics_prefix);
13950 SendToICS("flag\n");
13954 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
13956 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
13957 if (appData.autoCallFlag) {
13958 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
13965 if (blackTimeRemaining <= 0) {
13968 if (appData.icsActive) {
13969 if (appData.autoCallFlag &&
13970 gameMode == IcsPlayingWhite && !whiteFlag) {
13971 SendToICS(ics_prefix);
13972 SendToICS("flag\n");
13976 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
13978 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
13979 if (appData.autoCallFlag) {
13980 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
13993 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
13994 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
13997 * add time to clocks when time control is achieved ([HGM] now also used for increment)
13999 if ( !WhiteOnMove(forwardMostMove) )
14000 /* White made time control */
14001 whiteTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
14002 /* [HGM] time odds: correct new time quota for time odds! */
14003 / WhitePlayer()->timeOdds;
14005 /* Black made time control */
14006 blackTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
14007 / WhitePlayer()->other->timeOdds;
14011 DisplayBothClocks()
14013 int wom = gameMode == EditPosition ?
14014 !blackPlaysFirst : WhiteOnMove(currentMove);
14015 DisplayWhiteClock(whiteTimeRemaining, wom);
14016 DisplayBlackClock(blackTimeRemaining, !wom);
14020 /* Timekeeping seems to be a portability nightmare. I think everyone
14021 has ftime(), but I'm really not sure, so I'm including some ifdefs
14022 to use other calls if you don't. Clocks will be less accurate if
14023 you have neither ftime nor gettimeofday.
14026 /* VS 2008 requires the #include outside of the function */
14027 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
14028 #include <sys/timeb.h>
14031 /* Get the current time as a TimeMark */
14036 #if HAVE_GETTIMEOFDAY
14038 struct timeval timeVal;
14039 struct timezone timeZone;
14041 gettimeofday(&timeVal, &timeZone);
14042 tm->sec = (long) timeVal.tv_sec;
14043 tm->ms = (int) (timeVal.tv_usec / 1000L);
14045 #else /*!HAVE_GETTIMEOFDAY*/
14048 // include <sys/timeb.h> / moved to just above start of function
14049 struct timeb timeB;
14052 tm->sec = (long) timeB.time;
14053 tm->ms = (int) timeB.millitm;
14055 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
14056 tm->sec = (long) time(NULL);
14062 /* Return the difference in milliseconds between two
14063 time marks. We assume the difference will fit in a long!
14066 SubtractTimeMarks(tm2, tm1)
14067 TimeMark *tm2, *tm1;
14069 return 1000L*(tm2->sec - tm1->sec) +
14070 (long) (tm2->ms - tm1->ms);
14075 * Code to manage the game clocks.
14077 * In tournament play, black starts the clock and then white makes a move.
14078 * We give the human user a slight advantage if he is playing white---the
14079 * clocks don't run until he makes his first move, so it takes zero time.
14080 * Also, we don't account for network lag, so we could get out of sync
14081 * with GNU Chess's clock -- but then, referees are always right.
14084 static TimeMark tickStartTM;
14085 static long intendedTickLength;
14088 NextTickLength(timeRemaining)
14089 long timeRemaining;
14091 long nominalTickLength, nextTickLength;
14093 if (timeRemaining > 0L && timeRemaining <= 10000L)
14094 nominalTickLength = 100L;
14096 nominalTickLength = 1000L;
14097 nextTickLength = timeRemaining % nominalTickLength;
14098 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
14100 return nextTickLength;
14103 /* Adjust clock one minute up or down */
14105 AdjustClock(Boolean which, int dir)
14107 if(which) blackTimeRemaining += 60000*dir;
14108 else whiteTimeRemaining += 60000*dir;
14109 DisplayBothClocks();
14112 /* Stop clocks and reset to a fresh time control */
14116 (void) StopClockTimer();
14117 if (appData.icsActive) {
14118 whiteTimeRemaining = blackTimeRemaining = 0;
14119 } else if (searchTime) {
14120 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14121 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14122 } else { /* [HGM] correct new time quote for time odds */
14123 whiteTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->timeOdds;
14124 blackTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->other->timeOdds;
14126 if (whiteFlag || blackFlag) {
14128 whiteFlag = blackFlag = FALSE;
14130 DisplayBothClocks();
14133 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
14135 /* Decrement running clock by amount of time that has passed */
14139 long timeRemaining;
14140 long lastTickLength, fudge;
14143 if (!appData.clockMode) return;
14144 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
14148 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14150 /* Fudge if we woke up a little too soon */
14151 fudge = intendedTickLength - lastTickLength;
14152 if (fudge < 0 || fudge > FUDGE) fudge = 0;
14154 if (WhiteOnMove(forwardMostMove)) {
14155 if(whiteNPS >= 0) lastTickLength = 0;
14156 timeRemaining = whiteTimeRemaining -= lastTickLength;
14157 DisplayWhiteClock(whiteTimeRemaining - fudge,
14158 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14160 if(blackNPS >= 0) lastTickLength = 0;
14161 timeRemaining = blackTimeRemaining -= lastTickLength;
14162 DisplayBlackClock(blackTimeRemaining - fudge,
14163 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14166 if (CheckFlags()) return;
14169 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
14170 StartClockTimer(intendedTickLength);
14172 /* if the time remaining has fallen below the alarm threshold, sound the
14173 * alarm. if the alarm has sounded and (due to a takeback or time control
14174 * with increment) the time remaining has increased to a level above the
14175 * threshold, reset the alarm so it can sound again.
14178 if (appData.icsActive && appData.icsAlarm) {
14180 /* make sure we are dealing with the user's clock */
14181 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
14182 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
14185 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
14186 alarmSounded = FALSE;
14187 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
14189 alarmSounded = TRUE;
14195 /* A player has just moved, so stop the previously running
14196 clock and (if in clock mode) start the other one.
14197 We redisplay both clocks in case we're in ICS mode, because
14198 ICS gives us an update to both clocks after every move.
14199 Note that this routine is called *after* forwardMostMove
14200 is updated, so the last fractional tick must be subtracted
14201 from the color that is *not* on move now.
14206 long lastTickLength;
14208 int flagged = FALSE;
14212 if (StopClockTimer() && appData.clockMode) {
14213 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14214 if (WhiteOnMove(forwardMostMove)) {
14215 if(blackNPS >= 0) lastTickLength = 0;
14216 blackTimeRemaining -= lastTickLength;
14217 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14218 // if(pvInfoList[forwardMostMove-1].time == -1)
14219 pvInfoList[forwardMostMove-1].time = // use GUI time
14220 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
14222 if(whiteNPS >= 0) lastTickLength = 0;
14223 whiteTimeRemaining -= lastTickLength;
14224 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14225 // if(pvInfoList[forwardMostMove-1].time == -1)
14226 pvInfoList[forwardMostMove-1].time =
14227 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
14229 flagged = CheckFlags();
14231 CheckTimeControl();
14233 if (flagged || !appData.clockMode) return;
14235 switch (gameMode) {
14236 case MachinePlaysBlack:
14237 case MachinePlaysWhite:
14238 case BeginningOfGame:
14239 if (pausing) return;
14243 case PlayFromGameFile:
14251 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
14252 if(WhiteOnMove(forwardMostMove))
14253 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14254 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14258 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14259 whiteTimeRemaining : blackTimeRemaining);
14260 StartClockTimer(intendedTickLength);
14264 /* Stop both clocks */
14268 long lastTickLength;
14271 if (!StopClockTimer()) return;
14272 if (!appData.clockMode) return;
14276 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14277 if (WhiteOnMove(forwardMostMove)) {
14278 if(whiteNPS >= 0) lastTickLength = 0;
14279 whiteTimeRemaining -= lastTickLength;
14280 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
14282 if(blackNPS >= 0) lastTickLength = 0;
14283 blackTimeRemaining -= lastTickLength;
14284 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
14289 /* Start clock of player on move. Time may have been reset, so
14290 if clock is already running, stop and restart it. */
14294 (void) StopClockTimer(); /* in case it was running already */
14295 DisplayBothClocks();
14296 if (CheckFlags()) return;
14298 if (!appData.clockMode) return;
14299 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
14301 GetTimeMark(&tickStartTM);
14302 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14303 whiteTimeRemaining : blackTimeRemaining);
14305 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
14306 whiteNPS = blackNPS = -1;
14307 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
14308 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
14309 whiteNPS = first.nps;
14310 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
14311 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
14312 blackNPS = first.nps;
14313 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
14314 whiteNPS = second.nps;
14315 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
14316 blackNPS = second.nps;
14317 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
14319 StartClockTimer(intendedTickLength);
14326 long second, minute, hour, day;
14328 static char buf[32];
14330 if (ms > 0 && ms <= 9900) {
14331 /* convert milliseconds to tenths, rounding up */
14332 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
14334 sprintf(buf, " %03.1f ", tenths/10.0);
14338 /* convert milliseconds to seconds, rounding up */
14339 /* use floating point to avoid strangeness of integer division
14340 with negative dividends on many machines */
14341 second = (long) floor(((double) (ms + 999L)) / 1000.0);
14348 day = second / (60 * 60 * 24);
14349 second = second % (60 * 60 * 24);
14350 hour = second / (60 * 60);
14351 second = second % (60 * 60);
14352 minute = second / 60;
14353 second = second % 60;
14356 sprintf(buf, " %s%ld:%02ld:%02ld:%02ld ",
14357 sign, day, hour, minute, second);
14359 sprintf(buf, " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
14361 sprintf(buf, " %s%2ld:%02ld ", sign, minute, second);
14368 * This is necessary because some C libraries aren't ANSI C compliant yet.
14371 StrStr(string, match)
14372 char *string, *match;
14376 length = strlen(match);
14378 for (i = strlen(string) - length; i >= 0; i--, string++)
14379 if (!strncmp(match, string, length))
14386 StrCaseStr(string, match)
14387 char *string, *match;
14391 length = strlen(match);
14393 for (i = strlen(string) - length; i >= 0; i--, string++) {
14394 for (j = 0; j < length; j++) {
14395 if (ToLower(match[j]) != ToLower(string[j]))
14398 if (j == length) return string;
14412 c1 = ToLower(*s1++);
14413 c2 = ToLower(*s2++);
14414 if (c1 > c2) return 1;
14415 if (c1 < c2) return -1;
14416 if (c1 == NULLCHAR) return 0;
14425 return isupper(c) ? tolower(c) : c;
14433 return islower(c) ? toupper(c) : c;
14435 #endif /* !_amigados */
14443 if ((ret = (char *) malloc(strlen(s) + 1))) {
14450 StrSavePtr(s, savePtr)
14451 char *s, **savePtr;
14456 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
14457 strcpy(*savePtr, s);
14469 clock = time((time_t *)NULL);
14470 tm = localtime(&clock);
14471 sprintf(buf, "%04d.%02d.%02d",
14472 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
14473 return StrSave(buf);
14478 PositionToFEN(move, overrideCastling)
14480 char *overrideCastling;
14482 int i, j, fromX, fromY, toX, toY;
14489 whiteToPlay = (gameMode == EditPosition) ?
14490 !blackPlaysFirst : (move % 2 == 0);
14493 /* Piece placement data */
14494 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14496 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14497 if (boards[move][i][j] == EmptySquare) {
14499 } else { ChessSquare piece = boards[move][i][j];
14500 if (emptycount > 0) {
14501 if(emptycount<10) /* [HGM] can be >= 10 */
14502 *p++ = '0' + emptycount;
14503 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14506 if(PieceToChar(piece) == '+') {
14507 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
14509 piece = (ChessSquare)(DEMOTED piece);
14511 *p++ = PieceToChar(piece);
14513 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
14514 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
14519 if (emptycount > 0) {
14520 if(emptycount<10) /* [HGM] can be >= 10 */
14521 *p++ = '0' + emptycount;
14522 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14529 /* [HGM] print Crazyhouse or Shogi holdings */
14530 if( gameInfo.holdingsWidth ) {
14531 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
14533 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
14534 piece = boards[move][i][BOARD_WIDTH-1];
14535 if( piece != EmptySquare )
14536 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
14537 *p++ = PieceToChar(piece);
14539 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
14540 piece = boards[move][BOARD_HEIGHT-i-1][0];
14541 if( piece != EmptySquare )
14542 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
14543 *p++ = PieceToChar(piece);
14546 if( q == p ) *p++ = '-';
14552 *p++ = whiteToPlay ? 'w' : 'b';
14555 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
14556 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
14558 if(nrCastlingRights) {
14560 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
14561 /* [HGM] write directly from rights */
14562 if(boards[move][CASTLING][2] != NoRights &&
14563 boards[move][CASTLING][0] != NoRights )
14564 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
14565 if(boards[move][CASTLING][2] != NoRights &&
14566 boards[move][CASTLING][1] != NoRights )
14567 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
14568 if(boards[move][CASTLING][5] != NoRights &&
14569 boards[move][CASTLING][3] != NoRights )
14570 *p++ = boards[move][CASTLING][3] + AAA;
14571 if(boards[move][CASTLING][5] != NoRights &&
14572 boards[move][CASTLING][4] != NoRights )
14573 *p++ = boards[move][CASTLING][4] + AAA;
14576 /* [HGM] write true castling rights */
14577 if( nrCastlingRights == 6 ) {
14578 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
14579 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
14580 if(boards[move][CASTLING][1] == BOARD_LEFT &&
14581 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
14582 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
14583 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
14584 if(boards[move][CASTLING][4] == BOARD_LEFT &&
14585 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
14588 if (q == p) *p++ = '-'; /* No castling rights */
14592 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14593 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14594 /* En passant target square */
14595 if (move > backwardMostMove) {
14596 fromX = moveList[move - 1][0] - AAA;
14597 fromY = moveList[move - 1][1] - ONE;
14598 toX = moveList[move - 1][2] - AAA;
14599 toY = moveList[move - 1][3] - ONE;
14600 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
14601 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
14602 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
14604 /* 2-square pawn move just happened */
14606 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14610 } else if(move == backwardMostMove) {
14611 // [HGM] perhaps we should always do it like this, and forget the above?
14612 if((signed char)boards[move][EP_STATUS] >= 0) {
14613 *p++ = boards[move][EP_STATUS] + AAA;
14614 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14625 /* [HGM] find reversible plies */
14626 { int i = 0, j=move;
14628 if (appData.debugMode) { int k;
14629 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
14630 for(k=backwardMostMove; k<=forwardMostMove; k++)
14631 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
14635 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
14636 if( j == backwardMostMove ) i += initialRulePlies;
14637 sprintf(p, "%d ", i);
14638 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
14640 /* Fullmove number */
14641 sprintf(p, "%d", (move / 2) + 1);
14643 return StrSave(buf);
14647 ParseFEN(board, blackPlaysFirst, fen)
14649 int *blackPlaysFirst;
14659 /* [HGM] by default clear Crazyhouse holdings, if present */
14660 if(gameInfo.holdingsWidth) {
14661 for(i=0; i<BOARD_HEIGHT; i++) {
14662 board[i][0] = EmptySquare; /* black holdings */
14663 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
14664 board[i][1] = (ChessSquare) 0; /* black counts */
14665 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
14669 /* Piece placement data */
14670 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14673 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
14674 if (*p == '/') p++;
14675 emptycount = gameInfo.boardWidth - j;
14676 while (emptycount--)
14677 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14679 #if(BOARD_FILES >= 10)
14680 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
14681 p++; emptycount=10;
14682 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14683 while (emptycount--)
14684 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14686 } else if (isdigit(*p)) {
14687 emptycount = *p++ - '0';
14688 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
14689 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14690 while (emptycount--)
14691 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14692 } else if (*p == '+' || isalpha(*p)) {
14693 if (j >= gameInfo.boardWidth) return FALSE;
14695 piece = CharToPiece(*++p);
14696 if(piece == EmptySquare) return FALSE; /* unknown piece */
14697 piece = (ChessSquare) (PROMOTED piece ); p++;
14698 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
14699 } else piece = CharToPiece(*p++);
14701 if(piece==EmptySquare) return FALSE; /* unknown piece */
14702 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
14703 piece = (ChessSquare) (PROMOTED piece);
14704 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
14707 board[i][(j++)+gameInfo.holdingsWidth] = piece;
14713 while (*p == '/' || *p == ' ') p++;
14715 /* [HGM] look for Crazyhouse holdings here */
14716 while(*p==' ') p++;
14717 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
14719 if(*p == '-' ) *p++; /* empty holdings */ else {
14720 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
14721 /* if we would allow FEN reading to set board size, we would */
14722 /* have to add holdings and shift the board read so far here */
14723 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
14725 if((int) piece >= (int) BlackPawn ) {
14726 i = (int)piece - (int)BlackPawn;
14727 i = PieceToNumber((ChessSquare)i);
14728 if( i >= gameInfo.holdingsSize ) return FALSE;
14729 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
14730 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
14732 i = (int)piece - (int)WhitePawn;
14733 i = PieceToNumber((ChessSquare)i);
14734 if( i >= gameInfo.holdingsSize ) return FALSE;
14735 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
14736 board[i][BOARD_WIDTH-2]++; /* black holdings */
14740 if(*p == ']') *p++;
14743 while(*p == ' ') p++;
14748 *blackPlaysFirst = FALSE;
14751 *blackPlaysFirst = TRUE;
14757 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
14758 /* return the extra info in global variiables */
14760 /* set defaults in case FEN is incomplete */
14761 board[EP_STATUS] = EP_UNKNOWN;
14762 for(i=0; i<nrCastlingRights; i++ ) {
14763 board[CASTLING][i] =
14764 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
14765 } /* assume possible unless obviously impossible */
14766 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
14767 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
14768 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
14769 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
14770 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
14771 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
14772 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
14773 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
14776 while(*p==' ') p++;
14777 if(nrCastlingRights) {
14778 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
14779 /* castling indicator present, so default becomes no castlings */
14780 for(i=0; i<nrCastlingRights; i++ ) {
14781 board[CASTLING][i] = NoRights;
14784 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
14785 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
14786 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
14787 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
14788 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
14790 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
14791 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
14792 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
14794 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
14795 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
14796 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
14797 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
14798 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
14799 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
14802 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
14803 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
14804 board[CASTLING][2] = whiteKingFile;
14807 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
14808 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
14809 board[CASTLING][2] = whiteKingFile;
14812 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
14813 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
14814 board[CASTLING][5] = blackKingFile;
14817 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
14818 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
14819 board[CASTLING][5] = blackKingFile;
14822 default: /* FRC castlings */
14823 if(c >= 'a') { /* black rights */
14824 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
14825 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
14826 if(i == BOARD_RGHT) break;
14827 board[CASTLING][5] = i;
14829 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
14830 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
14832 board[CASTLING][3] = c;
14834 board[CASTLING][4] = c;
14835 } else { /* white rights */
14836 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
14837 if(board[0][i] == WhiteKing) break;
14838 if(i == BOARD_RGHT) break;
14839 board[CASTLING][2] = i;
14840 c -= AAA - 'a' + 'A';
14841 if(board[0][c] >= WhiteKing) break;
14843 board[CASTLING][0] = c;
14845 board[CASTLING][1] = c;
14849 for(i=0; i<nrCastlingRights; i++)
14850 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
14851 if (appData.debugMode) {
14852 fprintf(debugFP, "FEN castling rights:");
14853 for(i=0; i<nrCastlingRights; i++)
14854 fprintf(debugFP, " %d", board[CASTLING][i]);
14855 fprintf(debugFP, "\n");
14858 while(*p==' ') p++;
14861 /* read e.p. field in games that know e.p. capture */
14862 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14863 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14865 p++; board[EP_STATUS] = EP_NONE;
14867 char c = *p++ - AAA;
14869 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
14870 if(*p >= '0' && *p <='9') *p++;
14871 board[EP_STATUS] = c;
14876 if(sscanf(p, "%d", &i) == 1) {
14877 FENrulePlies = i; /* 50-move ply counter */
14878 /* (The move number is still ignored) */
14885 EditPositionPasteFEN(char *fen)
14888 Board initial_position;
14890 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
14891 DisplayError(_("Bad FEN position in clipboard"), 0);
14894 int savedBlackPlaysFirst = blackPlaysFirst;
14895 EditPositionEvent();
14896 blackPlaysFirst = savedBlackPlaysFirst;
14897 CopyBoard(boards[0], initial_position);
14898 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
14899 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
14900 DisplayBothClocks();
14901 DrawPosition(FALSE, boards[currentMove]);
14906 static char cseq[12] = "\\ ";
14908 Boolean set_cont_sequence(char *new_seq)
14913 // handle bad attempts to set the sequence
14915 return 0; // acceptable error - no debug
14917 len = strlen(new_seq);
14918 ret = (len > 0) && (len < sizeof(cseq));
14920 strcpy(cseq, new_seq);
14921 else if (appData.debugMode)
14922 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
14927 reformat a source message so words don't cross the width boundary. internal
14928 newlines are not removed. returns the wrapped size (no null character unless
14929 included in source message). If dest is NULL, only calculate the size required
14930 for the dest buffer. lp argument indicats line position upon entry, and it's
14931 passed back upon exit.
14933 int wrap(char *dest, char *src, int count, int width, int *lp)
14935 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
14937 cseq_len = strlen(cseq);
14938 old_line = line = *lp;
14939 ansi = len = clen = 0;
14941 for (i=0; i < count; i++)
14943 if (src[i] == '\033')
14946 // if we hit the width, back up
14947 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
14949 // store i & len in case the word is too long
14950 old_i = i, old_len = len;
14952 // find the end of the last word
14953 while (i && src[i] != ' ' && src[i] != '\n')
14959 // word too long? restore i & len before splitting it
14960 if ((old_i-i+clen) >= width)
14967 if (i && src[i-1] == ' ')
14970 if (src[i] != ' ' && src[i] != '\n')
14977 // now append the newline and continuation sequence
14982 strncpy(dest+len, cseq, cseq_len);
14990 dest[len] = src[i];
14994 if (src[i] == '\n')
14999 if (dest && appData.debugMode)
15001 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
15002 count, width, line, len, *lp);
15003 show_bytes(debugFP, src, count);
15004 fprintf(debugFP, "\ndest: ");
15005 show_bytes(debugFP, dest, len);
15006 fprintf(debugFP, "\n");
15008 *lp = dest ? line : old_line;
15013 // [HGM] vari: routines for shelving variations
15016 PushTail(int firstMove, int lastMove)
15018 int i, j, nrMoves = lastMove - firstMove;
15020 if(appData.icsActive) { // only in local mode
15021 forwardMostMove = currentMove; // mimic old ICS behavior
15024 if(storedGames >= MAX_VARIATIONS-1) return;
15026 // push current tail of game on stack
15027 savedResult[storedGames] = gameInfo.result;
15028 savedDetails[storedGames] = gameInfo.resultDetails;
15029 gameInfo.resultDetails = NULL;
15030 savedFirst[storedGames] = firstMove;
15031 savedLast [storedGames] = lastMove;
15032 savedFramePtr[storedGames] = framePtr;
15033 framePtr -= nrMoves; // reserve space for the boards
15034 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
15035 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
15036 for(j=0; j<MOVE_LEN; j++)
15037 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
15038 for(j=0; j<2*MOVE_LEN; j++)
15039 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
15040 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
15041 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
15042 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
15043 pvInfoList[firstMove+i-1].depth = 0;
15044 commentList[framePtr+i] = commentList[firstMove+i];
15045 commentList[firstMove+i] = NULL;
15049 forwardMostMove = currentMove; // truncte game so we can start variation
15050 if(storedGames == 1) GreyRevert(FALSE);
15054 PopTail(Boolean annotate)
15057 char buf[8000], moveBuf[20];
15059 if(appData.icsActive) return FALSE; // only in local mode
15060 if(!storedGames) return FALSE; // sanity
15063 ToNrEvent(savedFirst[storedGames]); // sets currentMove
15064 nrMoves = savedLast[storedGames] - currentMove;
15067 if(!WhiteOnMove(currentMove)) sprintf(buf, "(%d...", currentMove+2>>1);
15068 else strcpy(buf, "(");
15069 for(i=currentMove; i<forwardMostMove; i++) {
15071 sprintf(moveBuf, " %d. %s", i+2>>1, SavePart(parseList[i]));
15072 else sprintf(moveBuf, " %s", SavePart(parseList[i]));
15073 strcat(buf, moveBuf);
15074 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
15078 for(i=1; i<nrMoves; i++) { // copy last variation back
15079 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
15080 for(j=0; j<MOVE_LEN; j++)
15081 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
15082 for(j=0; j<2*MOVE_LEN; j++)
15083 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
15084 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
15085 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
15086 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
15087 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
15088 commentList[currentMove+i] = commentList[framePtr+i];
15089 commentList[framePtr+i] = NULL;
15091 if(annotate) AppendComment(currentMove+1, buf, FALSE);
15092 framePtr = savedFramePtr[storedGames];
15093 gameInfo.result = savedResult[storedGames];
15094 if(gameInfo.resultDetails != NULL) {
15095 free(gameInfo.resultDetails);
15097 gameInfo.resultDetails = savedDetails[storedGames];
15098 forwardMostMove = currentMove + nrMoves;
15099 if(storedGames == 0) GreyRevert(TRUE);
15105 { // remove all shelved variations
15107 for(i=0; i<storedGames; i++) {
15108 if(savedDetails[i])
15109 free(savedDetails[i]);
15110 savedDetails[i] = NULL;
15112 for(i=framePtr; i<MAX_MOVES; i++) {
15113 if(commentList[i]) free(commentList[i]);
15114 commentList[i] = NULL;
15116 framePtr = MAX_MOVES-1;